Found 402 issues

src/zabbix_server/trapper/nodecommand.c:42: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  40.   		size_t max_error_len)
  41.   {
  42. > 	int		ret = FAIL, time_start;
  43.   	zbx_uint64_t	taskid;
  44.   	DB_RESULT	result = NULL;

src/zabbix_agent/zbxconf.c:72: error: DEAD_STORE
  The value written to &c (type char*) is never used.
  70.   		add_alias(*pline, c);
  71.   
  72. > 		*--c = ':';
  73.   	}
  74.   }

src/libs/zbxsysinfo/common/http.c:58: error: DEAD_STORE
  The value written to &p (type char*) is never used.
  56.   		return SUCCEED;
  57.   
  58. > 	if (NULL != (p = strchr(host, ':')) && NULL == strchr(++p, ':'))
  59.   		ret = SUCCEED;
  60.   

src/zabbix_server/alerter/alerter.c:54: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  52.   {
  53.   	char	*output = NULL;
  54. > 	int	ret = FAIL;
  55.   
  56.   	if (SUCCEED == (ret = zbx_execute(command, &output, error, max_error_len, ALARM_ACTION_TIMEOUT,

src/zabbix_server/poller/checks_agent.c:128: error: UNINITIALIZED_VALUE
  The value read from received_len was never initialized.
  126.   			ret = AGENT_ERROR;
  127.   		}
  128. > 		else if (0 == received_len)
  129.   		{
  130.   			SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Received empty response from Zabbix Agent at [%s]."

src/libs/zbxavailability/avail_protocol.c:83: error: UNINITIALIZED_VALUE
  The value read from deserialize_error_len was never initialized.
  81.   		data += zbx_deserialize_value(data, &interface_availability->agent.errors_from);
  82.   		data += zbx_deserialize_value(data, &interface_availability->agent.disable_until);
  83. > 		data += zbx_deserialize_str(data, &interface_availability->agent.error, deserialize_error_len);
  84.   	}
  85.   }

src/libs/zbxembed/console.c:86: error: NULL_DEREFERENCE
  pointer `msg_raw` last assigned on line 80 could be null and is dereferenced by call to `zbx_strdup2()` at line 86, column 17.
  84.   		if (SUCCEED != zbx_cesu8_to_utf8(msg_raw, &msg_output))
  85.   		{
  86. > 			msg_output = zbx_strdup(msg_output, msg_raw);
  87.   			zbx_replace_invalid_utf8(msg_output);
  88.   		}

src/libs/zbxsysinfo/linux/diskio.c:108: error: UNINITIALIZED_VALUE
  The value read from dev_st.st_rdev was never initialized.
  106.   			{
  107.   				if (SUCCEED != dev_exists
  108. > 					|| major(dev_st.st_rdev) != rdev_major
  109.   					|| minor(dev_st.st_rdev) != rdev_minor)
  110.   					continue;

src/libs/zbxsysinfo/linux/diskio.c:109: error: UNINITIALIZED_VALUE
  The value read from dev_st.st_rdev was never initialized.
  107.   				if (SUCCEED != dev_exists
  108.   					|| major(dev_st.st_rdev) != rdev_major
  109. > 					|| minor(dev_st.st_rdev) != rdev_minor)
  110.   					continue;
  111.   			}

src/libs/zbxsysinfo/linux/diskio.c:116: error: UNINITIALIZED_VALUE
  The value read from ds[_] was never initialized.
  114.   		}
  115.   
  116. > 		dstat[ZBX_DSTAT_R_OPER] += ds[ZBX_DSTAT_R_OPER];
  117.   		dstat[ZBX_DSTAT_R_SECT] += ds[ZBX_DSTAT_R_SECT];
  118.   		dstat[ZBX_DSTAT_W_OPER] += ds[ZBX_DSTAT_W_OPER];

src/libs/zbxsysinfo/linux/diskio.c:117: error: UNINITIALIZED_VALUE
  The value read from ds[_] was never initialized.
  115.   
  116.   		dstat[ZBX_DSTAT_R_OPER] += ds[ZBX_DSTAT_R_OPER];
  117. > 		dstat[ZBX_DSTAT_R_SECT] += ds[ZBX_DSTAT_R_SECT];
  118.   		dstat[ZBX_DSTAT_W_OPER] += ds[ZBX_DSTAT_W_OPER];
  119.   		dstat[ZBX_DSTAT_W_SECT] += ds[ZBX_DSTAT_W_SECT];

src/libs/zbxsysinfo/linux/diskio.c:118: error: UNINITIALIZED_VALUE
  The value read from ds[_] was never initialized.
  116.   		dstat[ZBX_DSTAT_R_OPER] += ds[ZBX_DSTAT_R_OPER];
  117.   		dstat[ZBX_DSTAT_R_SECT] += ds[ZBX_DSTAT_R_SECT];
  118. > 		dstat[ZBX_DSTAT_W_OPER] += ds[ZBX_DSTAT_W_OPER];
  119.   		dstat[ZBX_DSTAT_W_SECT] += ds[ZBX_DSTAT_W_SECT];
  120.   

src/libs/zbxsysinfo/linux/diskio.c:119: error: UNINITIALIZED_VALUE
  The value read from ds[_] was never initialized.
  117.   		dstat[ZBX_DSTAT_R_SECT] += ds[ZBX_DSTAT_R_SECT];
  118.   		dstat[ZBX_DSTAT_W_OPER] += ds[ZBX_DSTAT_W_OPER];
  119. > 		dstat[ZBX_DSTAT_W_SECT] += ds[ZBX_DSTAT_W_SECT];
  120.   
  121.   		ret = SUCCEED;

src/libs/zbxcrypto/sha256crypt.c:131: error: UNINITIALIZED_VALUE
  The value read from W[_] was never initialized.
  129.   
  130.   		for (t = 16; t < 64; ++t)
  131. > 			W[t] = R1 (W[t - 2]) + W[t - 7] + R0 (W[t - 15]) + W[t - 16];
  132.   
  133.   		/* The actual computation according to FIPS 180-2:6.2.2 step 3.  */

src/libs/zbxcrypto/sha256crypt.c:136: error: UNINITIALIZED_VALUE
  The value read from W[_] was never initialized.
  134.   		for (t = 0; t < 64; ++t)
  135.   		{
  136. > 			uint32_t T1 = h + S1 (e) + Ch (e, f, g) + K[t] + W[t];
  137.   			uint32_t T2 = S0 (a) + Maj (a, b, c);
  138.   			h = g;

src/zabbix_server/lld/lld_protocol.c:82: error: UNINITIALIZED_VALUE
  The value read from error_len was never initialized.
  80.   	data += zbx_deserialize_str(data, value, value_len);
  81.   	data += zbx_deserialize_value(data, ts);
  82. > 	data += zbx_deserialize_str(data, error, error_len);
  83.   	data += zbx_deserialize_value(data, meta);
  84.   	if (0 != *meta)

src/zabbix_server/lld/lld_protocol.c:80: error: UNINITIALIZED_VALUE
  The value read from value_len was never initialized.
  78.   
  79.   	data += zbx_deserialize_value(data, itemid);
  80. > 	data += zbx_deserialize_str(data, value, value_len);
  81.   	data += zbx_deserialize_value(data, ts);
  82.   	data += zbx_deserialize_str(data, error, error_len);

src/zabbix_server/trapper/proxydata.c:137: error: UNINITIALIZED_VALUE
  The value read from version was never initialized.
  135.   				/* we are trying to save info about lastaccess to detect communication problem */
  136.   	{
  137. > 		zbx_update_proxy_data(&proxy, version, ts->sec,
  138.   				(0 != (sock->protocol & ZBX_TCP_COMPRESS) ? 1 : 0), 0);
  139.   	}

src/libs/zbxtrends/trends.c:94: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  92.   {
  93.   	char		*period_shift;
  94. > 	int		ret = FAIL;
  95.   
  96.   	if (NULL == (period_shift = zbx_function_get_param_dyn(params, 2)))

src/zabbix_server/alerter/alerter_protocol.c:100: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  98.   	zbx_uint32_t	len;
  99.   
  100. > 	data += zbx_deserialize_str(data, value, len);
  101.   	data += zbx_deserialize_value(data, errcode);
  102.   	data += zbx_deserialize_str(data, error, len);

src/libs/zbxcrypto/sha512crypt.c:157: error: UNINITIALIZED_VALUE
  The value read from W[_] was never initialized.
  155.   		}
  156.   		for (t = 16; t < 80; ++t)
  157. > 			W[t] = R1 (W[t - 2]) + W[t - 7] + R0 (W[t - 15]) + W[t - 16];
  158.   
  159.   		/* The actual computation according to FIPS 180-2:6.3.2 step 3.  */

src/libs/zbxcrypto/sha512crypt.c:162: error: UNINITIALIZED_VALUE
  The value read from W[_] was never initialized.
  160.   		for (t = 0; t < 80; ++t)
  161.   		{
  162. > 			uint64_t T1 = h + S1 (e) + Ch (e, f, g) + K[t] + W[t];
  163.   			uint64_t T2 = S0 (a) + Maj (a, b, c);
  164.   			h = g;

src/zabbix_server/preprocessor/item_preproc.c:105: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  103.   		unsigned char value_type, char **errmsg)
  104.   {
  105. > 	int	ret = FAIL, type_hint;
  106.   
  107.   	switch (value->type)

src/zabbix_server/discoverer/discoverer.c:258: error: UNINITIALIZED_VALUE
  The value read from item.snmp_version was never initialized.
  256.   							MACRO_TYPE_SNMP_OID, NULL, 0);
  257.   
  258. > 					if (ZBX_IF_SNMP_VERSION_3 == item.snmp_version)
  259.   					{
  260.   						item.snmpv3_securityname =

src/zabbix_server/httppoller/httptest.c:180: error: UNINITIALIZED_VALUE
  The value read from types[_] was never initialized.
  178.   			switch (types[i])
  179.   			{
  180. > 				case ZBX_HTTPITEM_TYPE_SPEED:
  181.   					SET_UI64_RESULT(&value, speed_download);
  182.   					break;

src/zabbix_server/httppoller/httptest.c:183: error: UNINITIALIZED_VALUE
  The value read from types[_] was never initialized.
  181.   					SET_UI64_RESULT(&value, speed_download);
  182.   					break;
  183. > 				case ZBX_HTTPITEM_TYPE_LASTSTEP:
  184.   					SET_UI64_RESULT(&value, lastfailedstep);
  185.   					break;

src/zabbix_server/httppoller/httptest.c:186: error: UNINITIALIZED_VALUE
  The value read from types[_] was never initialized.
  184.   					SET_UI64_RESULT(&value, lastfailedstep);
  185.   					break;
  186. > 				case ZBX_HTTPITEM_TYPE_LASTERROR:
  187.   					SET_STR_RESULT(&value, zbx_strdup(NULL, err_str));
  188.   					break;

src/libs/zbxdbcache/dbconfig.c:121: error: NULL_DEREFERENCE
  pointer `dst` last assigned on line 120 could be null and is dereferenced by call to `memcpy()` at line 121, column 2.
  119.   	len = strlen(source) + 1;
  120.   	dst = (char *)__config_mem_malloc_func(NULL, len);
  121. > 	memcpy(dst, source, len);
  122.   	return dst;
  123.   }

src/zabbix_server/pinger/pinger.c:184: error: UNINITIALIZED_VALUE
  The value read from value_dbl was never initialized.
  182.   					}
  183.   
  184. > 					if (0 < value_dbl && ZBX_FLOAT_PRECISION > value_dbl)
  185.   						value_dbl = ZBX_FLOAT_PRECISION;
  186.   

src/zabbix_server/pinger/pinger.c:184: error: UNINITIALIZED_VALUE
  The value read from value_dbl was never initialized.
  182.   					}
  183.   
  184. > 					if (0 < value_dbl && ZBX_FLOAT_PRECISION > value_dbl)
  185.   						value_dbl = ZBX_FLOAT_PRECISION;
  186.   

src/zabbix_agent/cpustat.c:127: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  125.   {
  126.   	char				*error = NULL;
  127. > 	int				idx, ret = FAIL;
  128.   #ifdef _WINDOWS
  129.   	wchar_t				cpu[16]; /* 16 is enough to store instance name string (group and index) */

src/libs/zbxsysinfo/common/dns.c:882: error: DEAD_STORE
  The value written to &offset (type unsigned long) is never used.
  880.   
  881.   	if (0 != offset)
  882. > 		buffer[--offset] = '\0';
  883.   
  884.   	SET_TEXT_RESULT(result, zbx_strdup(NULL, buffer));

src/libs/zbxsysinfo/common/dns.c:132: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  130.   
  131.   	size_t			offset = 0;
  132. > 	int			res, type, retrans, retry, use_tcp, i, ret = SYSINFO_RET_FAIL, ip_type = AF_INET;
  133.   	char			*ip, zone[MAX_STRING_LEN], buffer[MAX_STRING_LEN], *zone_str, *param,
  134.   				tmp[MAX_STRING_LEN];

src/libs/zbxsysinfo/common/dns.c:567: error: UNINITIALIZED_VALUE
  The value read from saved_ns6 was never initialized.
  565.   #	ifdef HAVE_RES_U_EXT	/* Linux */
  566.   	if (NULL != ip && '\0' != *ip && AF_INET6 == ip_type)
  567. > 		res_state_local._u._ext.nsaddrs[0] = saved_ns6;
  568.   #	endif
  569.   #	ifdef HAVE_RES_NDESTROY

src/libs/zbxsysinfo/common/dns.c:468: error: UNINITIALIZED_VALUE
  The value read from type was never initialized.
  466.   
  467.   #if defined(HAVE_RES_NINIT) && !defined(_AIX)
  468. > 	if (-1 == (res = res_nmkquery(&res_state_local, QUERY, zone, C_IN, type, NULL, 0, NULL, buf, sizeof(buf))))
  469.   #else
  470.   	if (-1 == (res = res_mkquery(QUERY, zone, C_IN, type, NULL, 0, NULL, buf, sizeof(buf))))

src/zabbix_server/poller/checks_http.c:146: error: USE_AFTER_FREE
  pointer `line` last assigned on line 142 was freed by call to `free()` at line 154, column 3 and is dereferenced or freed at line 146, column 13.
  144.   		if (0 == json_content &&
  145.   				0 == zbx_strncasecmp(line, "Content-Type:", ZBX_CONST_STRLEN("Content-Type:")) &&
  146. > 				NULL != strstr(line, "application/json"))
  147.   		{
  148.   			json_content = 1;

src/zabbix_server/poller/checks_http.c:154: error: USE_AFTER_FREE
  pointer `line` last assigned on line 142 was freed by call to `free()` at line 154, column 3 and is dereferenced or freed at line 154, column 3.
  152.   			http_add_json_header(&json, line);
  153.   
  154. > 		zbx_free(line);
  155.   	}
  156.   

src/zabbix_server/trapper/trapper_item_test.c:378: error: UNINITIALIZED_VALUE
  The value read from item.headers was never initialized.
  376.   	zbx_free(item.status_codes);
  377.   	zbx_free(item.http_proxy);
  378. > 	zbx_free(item.headers);
  379.   	zbx_free(item.ssl_cert_file);
  380.   	zbx_free(item.ssl_key_file);

src/zabbix_server/trapper/trapper_item_test.c:377: error: UNINITIALIZED_VALUE
  The value read from item.http_proxy was never initialized.
  375.   	zbx_free(item.posts);
  376.   	zbx_free(item.status_codes);
  377. > 	zbx_free(item.http_proxy);
  378.   	zbx_free(item.headers);
  379.   	zbx_free(item.ssl_cert_file);

src/zabbix_server/trapper/trapper_item_test.c:371: error: UNINITIALIZED_VALUE
  The value read from item.jmx_endpoint was never initialized.
  369.   	zbx_free(item.privatekey);
  370.   	zbx_free(item.password);
  371. > 	zbx_free(item.jmx_endpoint);
  372.   	zbx_free(item.timeout);
  373.   	zbx_free(item.url);

src/zabbix_server/trapper/trapper_item_test.c:366: error: UNINITIALIZED_VALUE
  The value read from item.params was never initialized.
  364.   	zbx_free(item.key);
  365.   	zbx_free(item.snmp_oid);
  366. > 	zbx_free(item.params);
  367.   	zbx_free(item.username);
  368.   	zbx_free(item.publickey);

src/zabbix_server/trapper/trapper_item_test.c:370: error: UNINITIALIZED_VALUE
  The value read from item.password was never initialized.
  368.   	zbx_free(item.publickey);
  369.   	zbx_free(item.privatekey);
  370. > 	zbx_free(item.password);
  371.   	zbx_free(item.jmx_endpoint);
  372.   	zbx_free(item.timeout);

src/zabbix_server/trapper/trapper_item_test.c:375: error: UNINITIALIZED_VALUE
  The value read from item.posts was never initialized.
  373.   	zbx_free(item.url);
  374.   	zbx_free(item.query_fields);
  375. > 	zbx_free(item.posts);
  376.   	zbx_free(item.status_codes);
  377.   	zbx_free(item.http_proxy);

src/zabbix_server/trapper/trapper_item_test.c:369: error: UNINITIALIZED_VALUE
  The value read from item.privatekey was never initialized.
  367.   	zbx_free(item.username);
  368.   	zbx_free(item.publickey);
  369. > 	zbx_free(item.privatekey);
  370.   	zbx_free(item.password);
  371.   	zbx_free(item.jmx_endpoint);

src/zabbix_server/trapper/trapper_item_test.c:368: error: UNINITIALIZED_VALUE
  The value read from item.publickey was never initialized.
  366.   	zbx_free(item.params);
  367.   	zbx_free(item.username);
  368. > 	zbx_free(item.publickey);
  369.   	zbx_free(item.privatekey);
  370.   	zbx_free(item.password);

src/zabbix_server/trapper/trapper_item_test.c:374: error: UNINITIALIZED_VALUE
  The value read from item.query_fields was never initialized.
  372.   	zbx_free(item.timeout);
  373.   	zbx_free(item.url);
  374. > 	zbx_free(item.query_fields);
  375.   	zbx_free(item.posts);
  376.   	zbx_free(item.status_codes);

src/zabbix_server/trapper/trapper_item_test.c:387: error: UNINITIALIZED_VALUE
  The value read from item.script_params was never initialized.
  385.   	zbx_free(item.snmpv3_privpassphrase);
  386.   	zbx_free(item.snmpv3_contextname);
  387. > 	zbx_free(item.script_params);
  388.   
  389.   	zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));

src/zabbix_server/trapper/trapper_item_test.c:382: error: UNINITIALIZED_VALUE
  The value read from item.snmp_community was never initialized.
  380.   	zbx_free(item.ssl_key_file);
  381.   	zbx_free(item.ssl_key_password);
  382. > 	zbx_free(item.snmp_community);
  383.   	zbx_free(item.snmpv3_securityname);
  384.   	zbx_free(item.snmpv3_authpassphrase);

src/zabbix_server/trapper/trapper_item_test.c:365: error: UNINITIALIZED_VALUE
  The value read from item.snmp_oid was never initialized.
  363.   out:
  364.   	zbx_free(item.key);
  365. > 	zbx_free(item.snmp_oid);
  366.   	zbx_free(item.params);
  367.   	zbx_free(item.username);

src/zabbix_server/trapper/trapper_item_test.c:384: error: UNINITIALIZED_VALUE
  The value read from item.snmpv3_authpassphrase was never initialized.
  382.   	zbx_free(item.snmp_community);
  383.   	zbx_free(item.snmpv3_securityname);
  384. > 	zbx_free(item.snmpv3_authpassphrase);
  385.   	zbx_free(item.snmpv3_privpassphrase);
  386.   	zbx_free(item.snmpv3_contextname);

src/zabbix_server/trapper/trapper_item_test.c:386: error: UNINITIALIZED_VALUE
  The value read from item.snmpv3_contextname was never initialized.
  384.   	zbx_free(item.snmpv3_authpassphrase);
  385.   	zbx_free(item.snmpv3_privpassphrase);
  386. > 	zbx_free(item.snmpv3_contextname);
  387.   	zbx_free(item.script_params);
  388.   

src/zabbix_server/trapper/trapper_item_test.c:385: error: UNINITIALIZED_VALUE
  The value read from item.snmpv3_privpassphrase was never initialized.
  383.   	zbx_free(item.snmpv3_securityname);
  384.   	zbx_free(item.snmpv3_authpassphrase);
  385. > 	zbx_free(item.snmpv3_privpassphrase);
  386.   	zbx_free(item.snmpv3_contextname);
  387.   	zbx_free(item.script_params);

src/zabbix_server/trapper/trapper_item_test.c:383: error: UNINITIALIZED_VALUE
  The value read from item.snmpv3_securityname was never initialized.
  381.   	zbx_free(item.ssl_key_password);
  382.   	zbx_free(item.snmp_community);
  383. > 	zbx_free(item.snmpv3_securityname);
  384.   	zbx_free(item.snmpv3_authpassphrase);
  385.   	zbx_free(item.snmpv3_privpassphrase);

src/zabbix_server/trapper/trapper_item_test.c:379: error: UNINITIALIZED_VALUE
  The value read from item.ssl_cert_file was never initialized.
  377.   	zbx_free(item.http_proxy);
  378.   	zbx_free(item.headers);
  379. > 	zbx_free(item.ssl_cert_file);
  380.   	zbx_free(item.ssl_key_file);
  381.   	zbx_free(item.ssl_key_password);

src/zabbix_server/trapper/trapper_item_test.c:380: error: UNINITIALIZED_VALUE
  The value read from item.ssl_key_file was never initialized.
  378.   	zbx_free(item.headers);
  379.   	zbx_free(item.ssl_cert_file);
  380. > 	zbx_free(item.ssl_key_file);
  381.   	zbx_free(item.ssl_key_password);
  382.   	zbx_free(item.snmp_community);

src/zabbix_server/trapper/trapper_item_test.c:381: error: UNINITIALIZED_VALUE
  The value read from item.ssl_key_password was never initialized.
  379.   	zbx_free(item.ssl_cert_file);
  380.   	zbx_free(item.ssl_key_file);
  381. > 	zbx_free(item.ssl_key_password);
  382.   	zbx_free(item.snmp_community);
  383.   	zbx_free(item.snmpv3_securityname);

src/zabbix_server/trapper/trapper_item_test.c:376: error: UNINITIALIZED_VALUE
  The value read from item.status_codes was never initialized.
  374.   	zbx_free(item.query_fields);
  375.   	zbx_free(item.posts);
  376. > 	zbx_free(item.status_codes);
  377.   	zbx_free(item.http_proxy);
  378.   	zbx_free(item.headers);

src/zabbix_server/trapper/trapper_item_test.c:372: error: UNINITIALIZED_VALUE
  The value read from item.timeout was never initialized.
  370.   	zbx_free(item.password);
  371.   	zbx_free(item.jmx_endpoint);
  372. > 	zbx_free(item.timeout);
  373.   	zbx_free(item.url);
  374.   	zbx_free(item.query_fields);

src/zabbix_server/trapper/trapper_item_test.c:373: error: UNINITIALIZED_VALUE
  The value read from item.url was never initialized.
  371.   	zbx_free(item.jmx_endpoint);
  372.   	zbx_free(item.timeout);
  373. > 	zbx_free(item.url);
  374.   	zbx_free(item.query_fields);
  375.   	zbx_free(item.posts);

src/zabbix_server/trapper/trapper_item_test.c:367: error: UNINITIALIZED_VALUE
  The value read from item.username was never initialized.
  365.   	zbx_free(item.snmp_oid);
  366.   	zbx_free(item.params);
  367. > 	zbx_free(item.username);
  368.   	zbx_free(item.publickey);
  369.   	zbx_free(item.privatekey);

src/libs/zbxsysinfo/linux/diskspace.c:151: error: DEAD_STORE
  The value written to &p (type char*) is never used.
  149.   			continue;
  150.   
  151. > 		mpoint = ++p;
  152.   
  153.   		if (NULL == (p = strchr(mpoint, ' ')))

src/libs/zbxsysinfo/linux/diskspace.c:158: error: DEAD_STORE
  The value written to &p (type char*) is never used.
  156.   		*p = '\0';
  157.   
  158. > 		mtype = ++p;
  159.   
  160.   		if (NULL == (p = strchr(mtype, ' ')))

src/libs/zbxdbhigh/proxy.c:220: error: UNINITIALIZED_VALUE
  The value read from attr.psk_identity_len was never initialized.
  218.   	else if (ZBX_TCP_SEC_TLS_PSK == sock->connection_type)
  219.   	{
  220. > 		if (strlen(proxy->tls_psk_identity) != attr.psk_identity_len ||
  221.   				0 != memcmp(proxy->tls_psk_identity, attr.psk_identity, attr.psk_identity_len))
  222.   		{

src/libs/zbxdbhigh/proxy.c:221: error: UNINITIALIZED_VALUE
  The value read from attr.psk_identity_len was never initialized.
  219.   	{
  220.   		if (strlen(proxy->tls_psk_identity) != attr.psk_identity_len ||
  221. > 				0 != memcmp(proxy->tls_psk_identity, attr.psk_identity, attr.psk_identity_len))
  222.   		{
  223.   			*error = zbx_dsprintf(*error, "proxy \"%s\" is using false PSK identity", proxy->host);

src/libs/zbxsysinfo/linux/memory.c:162: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  160.   	AGENT_RESULT	result_tmp;
  161.   	zbx_uint64_t	available, total;
  162. > 	int		ret = SYSINFO_RET_FAIL;
  163.   
  164.   	if (0 != sysinfo(&info))

src/zabbix_server/alerter/alerter_protocol.c:170: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  168.   	data += zbx_deserialize_value(data, mediatypeid);
  169.   	data += zbx_deserialize_value(data, eventid);
  170. > 	data += zbx_deserialize_str(data, sendto, len);
  171.   	data += zbx_deserialize_str(data, subject, len);
  172.   	data += zbx_deserialize_str(data, message, len);

src/libs/zbxcommon/misc.c:172: error: DEAD_STORE
  The value written to &rc (type int) is never used.
  170.   #else
  171.   	struct timeval	tv;
  172. > 	int		rc = -1;
  173.   #	ifdef HAVE_TIME_CLOCK_GETTIME
  174.   	struct timespec	tp;

src/libs/zbxdbupgrade/dbupgrade_3030.c:213: error: DEAD_STORE
  The value written to &step (type int) is never used.
  211.   
  212.   	if (NULL != formula)
  213. > 		zbx_db_insert_add_values(db_insert, __UINT64_C(0), itemid, step++, ZBX_PREPROC_MULTIPLIER, formula);
  214.   
  215.   }

src/libs/zbxsysinfo/linux/diskspace.c:210: error: DEAD_STORE
  The value written to &p (type char*) is never used.
  208.   			continue;
  209.   
  210. > 		mpoint = ++p;
  211.   
  212.   		if (NULL == (p = strchr(mpoint, ' ')))

src/libs/zbxsysinfo/linux/diskspace.c:217: error: DEAD_STORE
  The value written to &p (type char*) is never used.
  215.   		*p = '\0';
  216.   
  217. > 		mtype = ++p;
  218.   
  219.   		if (NULL == (p = strchr(mtype, ' ')))

src/libs/zbxsysinfo/linux/diskspace.c:268: error: DEAD_STORE
  The value written to &p (type char*) is never used.
  266.   			continue;
  267.   
  268. > 		mpoint = ++p;
  269.   
  270.   		if (NULL == (p = strchr(mpoint, ' ')))

src/libs/zbxsysinfo/linux/software.c:275: error: DEAD_STORE
  The value written to &offset (type unsigned long) is never used.
  273.   	}
  274.   	else if (0 != offset)
  275. > 		buffer[--offset] = '\0';
  276.   
  277.   	zbx_vector_str_destroy(&packages);

src/zabbix_server/poller/checks_internal.c:442: error: DEAD_STORE
  The value written to &process_type (type unsigned char) is never used.
  440.   	else if (0 == strcmp(tmp, "process"))			/* zabbix["process",<type>,<mode>,<state>] */
  441.   	{
  442. > 		unsigned char	process_type = ZBX_PROCESS_TYPE_UNKNOWN;
  443.   		int		process_forks;
  444.   		double		value;

src/libs/zbxprometheus/zbxprometheus.c:227: error: DEAD_STORE
  The value written to &pout (type char*) is never used.
  225.   	}
  226.   
  227. > 	*pout++  ='\0';
  228.   
  229.   	return str;

src/zabbix_server/alerter/alerter_protocol.c:214: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  212.   
  213.   	data += zbx_deserialize_value(data, alertid);
  214. > 	data += zbx_deserialize_str(data, sendto, len);
  215.   	data += zbx_deserialize_str(data, message, len);
  216.   	(void)zbx_deserialize_str(data, gsm_modem, len);

src/libs/zbxmedia/sms.c:270: error: UNINITIALIZED_VALUE
  The value read from options.c_lflag was never initialized.
  268.   #endif
  269.   	options.c_cflag = old_options.c_cflag | CRTSCTS | CS8 | CLOCAL | CREAD;
  270. > 	options.c_lflag &= (tcflag_t)~(ICANON | ECHO | ECHOE | ISIG);
  271.   	options.c_cc[VMIN] = 0;
  272.   	options.c_cc[VTIME] = 1;

src/libs/zbxnix/dshm.c:252: error: MEMORY_LEAK
  memory dynamically allocated by call to `zbx_shm_create()` at line 232, column 21 is not reachable after line 252, column 4.
  250.   	if (-1 == shmdt((void *)addr))
  251.   	{
  252. > 		*errmsg = zbx_strdup(*errmsg, "cannot detach from new shared memory");
  253.   		goto out;
  254.   	}

src/libs/zbxjson/jsonpath.c:226: error: DEAD_STORE
  The value written to &item (type zbx_jsonpath_list_item*) is never used.
  224.   static void	jsonpath_list_free(zbx_jsonpath_list_node_t *list)
  225.   {
  226. > 	zbx_jsonpath_list_node_t	*item = list;
  227.   
  228.   	while (NULL != list)

src/libs/zbxself/selfmon.c:273: error: UNINITIALIZED_VALUE
  The value read from sz_process[_] was never initialized.
  271.   	for (proc_type = 0; ZBX_PROCESS_TYPE_COUNT > proc_type; proc_type++)
  272.   	{
  273. > 		collector->process[proc_type] = (zbx_stat_process_t *)p; p += sz_process[proc_type];
  274.   		memset(collector->process[proc_type], 0, sz_process[proc_type]);
  275.   

src/libs/zbxself/selfmon.c:274: error: UNINITIALIZED_VALUE
  The value read from sz_process[_] was never initialized.
  272.   	{
  273.   		collector->process[proc_type] = (zbx_stat_process_t *)p; p += sz_process[proc_type];
  274. > 		memset(collector->process[proc_type], 0, sz_process[proc_type]);
  275.   
  276.   		process_forks = get_process_type_forks(proc_type);

src/libs/zbxcrypto/base64.c:280: error: UNINITIALIZED_VALUE
  The value read from from[_] was never initialized.
  278.   			/* decode a 4-character block */
  279.   			for (j = 0; j < 4; j++)
  280. > 				to[j] = char_base64_decode(from[j]);
  281.   
  282.   			if (1 <= lasti)	/* from[0], from[1] available */

src/libs/zbxcrypto/base64.c:289: error: UNINITIALIZED_VALUE
  The value read from from[_] was never initialized.
  287.   			}
  288.   
  289. > 			if (2 <= lasti && '=' != from[2])	/* from[2] available */
  290.   			{
  291.   				*p_str++ = (((to[1] & 0xf) << 4) | (to[2] >> 2));

src/libs/zbxcrypto/base64.c:296: error: UNINITIALIZED_VALUE
  The value read from from[_] was never initialized.
  294.   			}
  295.   
  296. > 			if (3 == lasti && '=' != from[3])	/* from[3] available */
  297.   			{
  298.   				*p_str++ = (((to[2] & 0x3) << 6) | to[3]);

src/libs/zbxcrypto/base64.c:284: error: UNINITIALIZED_VALUE
  The value read from to[_] was never initialized.
  282.   			if (1 <= lasti)	/* from[0], from[1] available */
  283.   			{
  284. > 				*p_str++ = ((to[0] << 2) | (to[1] >> 4));
  285.   				if (++(*p_out_size) == maxsize)
  286.   					break;

src/libs/zbxcrypto/base64.c:291: error: UNINITIALIZED_VALUE
  The value read from to[_] was never initialized.
  289.   			if (2 <= lasti && '=' != from[2])	/* from[2] available */
  290.   			{
  291. > 				*p_str++ = (((to[1] & 0xf) << 4) | (to[2] >> 2));
  292.   				if (++(*p_out_size) == maxsize)
  293.   					break;

src/libs/zbxcrypto/base64.c:298: error: UNINITIALIZED_VALUE
  The value read from to[_] was never initialized.
  296.   			if (3 == lasti && '=' != from[3])	/* from[3] available */
  297.   			{
  298. > 				*p_str++ = (((to[2] & 0x3) << 6) | to[3]);
  299.   				if (++(*p_out_size) == maxsize)
  300.   					break;

src/zabbix_server/alerter/alerter_protocol.c:241: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  239.   
  240.   	data += zbx_deserialize_value(data, alertid);
  241. > 	(void)zbx_deserialize_str(data, command, len);
  242.   }
  243.   

src/zabbix_server/poller/checks_aggregate.c:262: error: DEAD_STORE
  The value written to &sz_dst (type unsigned long) is never used.
  260.   			(*str)[--sz_dst] = '\\';
  261.   	}
  262. > 	(*str)[--sz_dst] = '"';
  263.   }
  264.   

src/zabbix_server/trapper/trapper_preproc.c:387: error: NULL_DEREFERENCE
  pointer `&history->values` last assigned on line 256 could be null and is dereferenced by call to `zbx_vector_ptr_clear_ext()` at line 387, column 2.
  385.   	zbx_free(preproc_error);
  386.   
  387. > 	zbx_vector_ptr_clear_ext(&history, (zbx_clean_func_t)zbx_preproc_op_history_free);
  388.   	zbx_vector_ptr_destroy(&history);
  389.   	zbx_vector_ptr_clear_ext(&results, (zbx_clean_func_t)zbx_preproc_result_free);

src/zabbix_server/trapper/trapper_preproc.c:280: error: NULL_DEREFERENCE
  pointer `&results->values` last assigned on line 255 could be null and is dereferenced by call to `zbx_vector_ptr_clear_ext()` at line 280, column 3.
  278.   	for (i = 0; i < values_num; i++)
  279.   	{
  280. > 		zbx_vector_ptr_clear_ext(&results, (zbx_clean_func_t)zbx_preproc_result_free);
  281.   
  282.   		if (0 == steps.values_num)

src/libs/zbxdbhigh/proxy.c:307: error: UNINITIALIZED_VALUE
  The value read from attr.psk_identity_len was never initialized.
  305.   	else if (ZBX_TCP_SEC_TLS_PSK == sock->connection_type)
  306.   	{
  307. > 		if (strlen(host->tls_psk_identity) != attr.psk_identity_len ||
  308.   				0 != memcmp(host->tls_psk_identity, attr.psk_identity, attr.psk_identity_len))
  309.   		{

src/libs/zbxdbhigh/proxy.c:308: error: UNINITIALIZED_VALUE
  The value read from attr.psk_identity_len was never initialized.
  306.   	{
  307.   		if (strlen(host->tls_psk_identity) != attr.psk_identity_len ||
  308. > 				0 != memcmp(host->tls_psk_identity, attr.psk_identity, attr.psk_identity_len))
  309.   		{
  310.   			*error = zbx_dsprintf(*error, "host \"%s\" is using false PSK identity", host->host);

src/libs/zbxsysinfo/linux/proc.c:280: error: UNINITIALIZED_VALUE
  The value read from guard_len was never initialized.
  278.   		if (NULL != guard)
  279.   		{
  280. > 			if (0 == strncmp(buf, guard, guard_len))
  281.   			{
  282.   				if (0 != fseek(f, pos, SEEK_SET))

src/libs/zbxconf/cfg.c:280: error: NULL_DEREFERENCE
  pointer `file` last assigned on line 278 could be null and is dereferenced by call to `stat()` at line 280, column 12.
  278.   		file = zbx_dsprintf(file, "%s/%s", path, d->d_name);
  279.   
  280. > 		if (0 != zbx_stat(file, &sb) || 0 == S_ISREG(sb.st_mode))
  281.   			continue;
  282.   

src/zabbix_server/httppoller/httptest.c:323: error: UNINITIALIZED_VALUE
  The value read from types[_] was never initialized.
  321.   			switch (types[i])
  322.   			{
  323. > 				case ZBX_HTTPITEM_TYPE_RSPCODE:
  324.   					SET_UI64_RESULT(&value, stat->rspcode);
  325.   					break;

src/zabbix_server/httppoller/httptest.c:326: error: UNINITIALIZED_VALUE
  The value read from types[_] was never initialized.
  324.   					SET_UI64_RESULT(&value, stat->rspcode);
  325.   					break;
  326. > 				case ZBX_HTTPITEM_TYPE_TIME:
  327.   					SET_DBL_RESULT(&value, stat->total_time);
  328.   					break;

src/zabbix_server/httppoller/httptest.c:329: error: UNINITIALIZED_VALUE
  The value read from types[_] was never initialized.
  327.   					SET_DBL_RESULT(&value, stat->total_time);
  328.   					break;
  329. > 				case ZBX_HTTPITEM_TYPE_SPEED:
  330.   					SET_DBL_RESULT(&value, stat->speed_download);
  331.   					break;

src/libs/zbxsysinfo/simple/simple.c:423: error: UNINITIALIZED_VALUE
  The value read from value_int was never initialized.
  421.   		if (0 != perf)
  422.   		{
  423. > 			if (0 != value_int)
  424.   			{
  425.   				check_time = zbx_time() - check_time;

src/libs/zbxsysinfo/simple/simple.c:436: error: UNINITIALIZED_VALUE
  The value read from value_int was never initialized.
  434.   		}
  435.   		else
  436. > 			SET_UI64_RESULT(result, value_int);
  437.   	}
  438.   

src/libs/zbxsysinfo/linux/hardware.c:288: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  286.   {
  287.   	char	*mode, buf[MAX_STRING_LEN];
  288. > 	int	ret = SYSINFO_RET_FAIL;
  289.   
  290.   	if (1 < request->nparam)

src/zabbix_server/poller/poller.c:288: error: DEAD_STORE
  The value written to &res (type int) is never used.
  286.   static int	get_value(DC_ITEM *item, AGENT_RESULT *result, zbx_vector_ptr_t *add_results)
  287.   {
  288. > 	int	res = FAIL;
  289.   
  290.   	zabbix_log(LOG_LEVEL_DEBUG, "In %s() key:'%s'", __func__, item->key_orig);

src/libs/zbxsysinfo/linux/net.c:341: error: UNINITIALIZED_VALUE
  The value read from end was never initialized.
  339.   				;
  340.   
  341. > 			while (count < 3 && start < end)
  342.   			{
  343.   				while (' ' != *start)

src/zabbix_server/alerter/alerter_protocol.c:322: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  320.   	data += zbx_deserialize_value(data, mediatypeid);
  321.   	data += zbx_deserialize_value(data, type);
  322. > 	data += zbx_deserialize_str(data, smtp_server, len);
  323.   	data += zbx_deserialize_str(data, smtp_helo, len);
  324.   	data += zbx_deserialize_str(data, smtp_email, len);

src/zabbix_server/trapper/trapper.c:433: error: UNINITIALIZED_VALUE
  The value read from limit was never initialized.
  431.   			zbx_json_addarray(&json, ZBX_PROTO_TAG_DATA);
  432.   
  433. > 			for (i = 0; i < queue.values_num && i < limit; i++)
  434.   			{
  435.   				zbx_queue_item_t	*item = (zbx_queue_item_t *)queue.values[i];

src/zabbix_server/preprocessor/preprocessing.c:347: error: UNINITIALIZED_VALUE
  The value read from value_len was never initialized.
  345.   
  346.   		case ZBX_VARIANT_STR:
  347. > 			offset += zbx_deserialize_str(offset, &value->data.str, value_len);
  348.   			break;
  349.   

src/zabbix_server/preprocessor/item_preproc.c:335: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  333.   		unsigned char op_type, zbx_variant_t *history_value, zbx_timespec_t *history_ts, char **errmsg)
  334.   {
  335. > 	int				ret = FAIL;
  336.   	zbx_variant_t			value_num;
  337.   

src/libs/zbxmodules/modules.c:362: error: NULL_DEREFERENCE
  pointer `modules.values` last assigned on line 345 could be null and is dereferenced at line 362, column 47.
  360.   
  361.   		/* if execution reached this point at least one module was loaded successfully */
  362. > 		buffer = zbx_strdcat(NULL, ((zbx_module_t *)modules.values[i++])->name);
  363.   
  364.   		while (i < modules.values_num)

src/libs/zbxtrends/cache.c:376: error: NULL_DEREFERENCE
  pointer `cache` last assigned on line 369 could be null and is dereferenced at line 376, column 2.
  374.   	/* 5/4 - reversing critical load factor which is accounted for when inserting new hashset entry */
  375.   	/* but ignored when creating hashset with the specified size                                    */
  376. > 	cache->slots_num = CONFIG_TREND_FUNC_CACHE_SIZE / (16 * 5 / 4 + sizeof(zbx_tfc_slot_t));
  377.   
  378.   	zabbix_log(LOG_LEVEL_DEBUG, "%s(): slots:%u", __func__, cache->slots_num);

src/libs/zbxsysinfo/linux/proc.c:633: error: UNINITIALIZED_VALUE
  The value read from total_memory was never initialized.
  631.   				if (SUCCEED == res)
  632.   				{
  633. > 					pct_value = ((double)byte_value / (double)total_memory) * 100.0;
  634.   				}
  635.   				else if (NOTSUPPORTED == res)

src/zabbix_server/alerter/alerter_protocol.c:398: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  396.   			content_type, script, timeout);
  397.   
  398. > 	data += zbx_deserialize_str(data, sendto, len);
  399.   	data += zbx_deserialize_str(data, subject, len);
  400.   	data += zbx_deserialize_str(data, message, len);

src/libs/zbxdiag/diag.c:398: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  396.   {
  397.   	zbx_vector_ptr_t	tops;
  398. > 	int			ret = FAIL;
  399.   	double			time1, time2, time_total = 0;
  400.   	zbx_uint64_t		fields;

src/zabbix_server/pinger/pinger.c:435: error: UNINITIALIZED_VALUE
  The value read from count was never initialized.
  433.   		if (SUCCEED == rc)
  434.   		{
  435. > 			add_icmpping_item(icmp_items, icmp_items_alloc, icmp_items_count, count, interval, size,
  436.   				timeout, items[i].itemid, addr, icmpping, type);
  437.   		}

src/zabbix_server/pinger/pinger.c:435: error: UNINITIALIZED_VALUE
  The value read from icmpping was never initialized.
  433.   		if (SUCCEED == rc)
  434.   		{
  435. > 			add_icmpping_item(icmp_items, icmp_items_alloc, icmp_items_count, count, interval, size,
  436.   				timeout, items[i].itemid, addr, icmpping, type);
  437.   		}

src/zabbix_server/pinger/pinger.c:435: error: UNINITIALIZED_VALUE
  The value read from interval was never initialized.
  433.   		if (SUCCEED == rc)
  434.   		{
  435. > 			add_icmpping_item(icmp_items, icmp_items_alloc, icmp_items_count, count, interval, size,
  436.   				timeout, items[i].itemid, addr, icmpping, type);
  437.   		}

src/zabbix_server/pinger/pinger.c:435: error: UNINITIALIZED_VALUE
  The value read from size was never initialized.
  433.   		if (SUCCEED == rc)
  434.   		{
  435. > 			add_icmpping_item(icmp_items, icmp_items_alloc, icmp_items_count, count, interval, size,
  436.   				timeout, items[i].itemid, addr, icmpping, type);
  437.   		}

src/zabbix_server/pinger/pinger.c:435: error: UNINITIALIZED_VALUE
  The value read from timeout was never initialized.
  433.   		if (SUCCEED == rc)
  434.   		{
  435. > 			add_icmpping_item(icmp_items, icmp_items_alloc, icmp_items_count, count, interval, size,
  436.   				timeout, items[i].itemid, addr, icmpping, type);
  437.   		}

src/zabbix_server/pinger/pinger.c:435: error: UNINITIALIZED_VALUE
  The value read from type was never initialized.
  433.   		if (SUCCEED == rc)
  434.   		{
  435. > 			add_icmpping_item(icmp_items, icmp_items_alloc, icmp_items_count, count, interval, size,
  436.   				timeout, items[i].itemid, addr, icmpping, type);
  437.   		}

src/libs/zbxserver/expression.c:471: error: DEAD_STORE
  The value written to &index (type int) is never used.
  469.   	if (0 != (flags & ZBX_PROBLEM_UPDATE_CLOSE))
  470.   	{
  471. > 		zbx_strcpy_alloc(&buf, &buf_alloc, &buf_offset, prefixes[index++]);
  472.   		zbx_strcpy_alloc(&buf, &buf_alloc, &buf_offset, "closed");
  473.   	}

src/zabbix_server/preprocessor/preprocessing.c:417: error: UNINITIALIZED_VALUE
  The value read from value_len was never initialized.
  415.   
  416.   	offset += zbx_deserialize_char(offset, &step->type);
  417. > 	offset += zbx_deserialize_str_ptr(offset, step->params, value_len);
  418.   	offset += zbx_deserialize_char(offset, &step->error_handler);
  419.   	offset += zbx_deserialize_str_ptr(offset, step->error_handler_params, value_len);

src/libs/zbxdbcache/dbconfig_maintenance.c:449: error: UNINITIALIZED_VALUE
  The value read from last_maintenanceid was never initialized.
  447.   		ZBX_STR2UINT64(maintenanceid, row[0]);
  448.   
  449. > 		if (NULL == maintenance || last_maintenanceid != maintenanceid)
  450.   		{
  451.   			if (NULL == (maintenance = (zbx_dc_maintenance_t *)zbx_hashset_search(&config->maintenances,

src/zabbix_server/alerter/alerter_protocol.c:433: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  431.   	zbx_uint32_t	len;
  432.   
  433. > 	data += zbx_deserialize_str(data, script_bin, len);
  434.   	data += zbx_deserialize_value(data, script_sz);
  435.   	data += zbx_deserialize_value(data, timeout);

src/libs/zbxsysinfo/common/http.c:445: error: NULL_DEREFERENCE
  pointer `path_str` last assigned on line 442 could be null and is dereferenced by call to `get_http_page()` at line 445, column 31.
  443.   	port_str = get_rparam(request, 2);
  444.   
  445. > 	if (SYSINFO_RET_OK == (ret = get_http_page(hostname, path_str, port_str, &buffer, &error)))
  446.   	{
  447.   		zbx_rtrim(buffer, "\r\n");

src/libs/zbxcommon/variant.c:469: error: UNINITIALIZED_VALUE
  The value read from value1_dbl was never initialized.
  467.   	}
  468.   
  469. > 	if (SUCCEED == zbx_double_compare(value1_dbl, value2_dbl))
  470.   		return 0;
  471.   

src/libs/zbxcommon/variant.c:472: error: UNINITIALIZED_VALUE
  The value read from value1_dbl was never initialized.
  470.   		return 0;
  471.   
  472. > 	ZBX_RETURN_IF_NOT_EQUAL(value1_dbl, value2_dbl);
  473.   
  474.   	THIS_SHOULD_NEVER_HAPPEN;

src/libs/zbxcommon/variant.c:469: error: UNINITIALIZED_VALUE
  The value read from value2_dbl was never initialized.
  467.   	}
  468.   
  469. > 	if (SUCCEED == zbx_double_compare(value1_dbl, value2_dbl))
  470.   		return 0;
  471.   

src/libs/zbxcommon/variant.c:472: error: UNINITIALIZED_VALUE
  The value read from value2_dbl was never initialized.
  470.   		return 0;
  471.   
  472. > 	ZBX_RETURN_IF_NOT_EQUAL(value1_dbl, value2_dbl);
  473.   
  474.   	THIS_SHOULD_NEVER_HAPPEN;

src/zabbix_server/poller/poller.c:492: error: MEMORY_LEAK
  memory dynamically allocated by call to `zbx_strdup2()` at line 491, column 6 is not reachable after line 492, column 6.
  490.   				{
  491.   					ZBX_STRDUP(items[i].snmpv3_securityname, items[i].snmpv3_securityname_orig);
  492. > 					ZBX_STRDUP(items[i].snmpv3_authpassphrase, items[i].snmpv3_authpassphrase_orig);
  493.   					ZBX_STRDUP(items[i].snmpv3_privpassphrase, items[i].snmpv3_privpassphrase_orig);
  494.   					ZBX_STRDUP(items[i].snmpv3_contextname, items[i].snmpv3_contextname_orig);

src/zabbix_server/poller/poller.c:493: error: MEMORY_LEAK
  memory dynamically allocated by call to `zbx_strdup2()` at line 492, column 6 is not reachable after line 493, column 6.
  491.   					ZBX_STRDUP(items[i].snmpv3_securityname, items[i].snmpv3_securityname_orig);
  492.   					ZBX_STRDUP(items[i].snmpv3_authpassphrase, items[i].snmpv3_authpassphrase_orig);
  493. > 					ZBX_STRDUP(items[i].snmpv3_privpassphrase, items[i].snmpv3_privpassphrase_orig);
  494.   					ZBX_STRDUP(items[i].snmpv3_contextname, items[i].snmpv3_contextname_orig);
  495.   

src/zabbix_server/poller/poller.c:494: error: MEMORY_LEAK
  memory dynamically allocated by call to `zbx_strdup2()` at line 493, column 6 is not reachable after line 494, column 6.
  492.   					ZBX_STRDUP(items[i].snmpv3_authpassphrase, items[i].snmpv3_authpassphrase_orig);
  493.   					ZBX_STRDUP(items[i].snmpv3_privpassphrase, items[i].snmpv3_privpassphrase_orig);
  494. > 					ZBX_STRDUP(items[i].snmpv3_contextname, items[i].snmpv3_contextname_orig);
  495.   
  496.   					substitute_simple_macros_unmasked(NULL, NULL, NULL, NULL, &items[i].host.hostid,

src/zabbix_server/poller/poller.c:515: error: MEMORY_LEAK
  memory dynamically allocated by call to `zbx_strdup2()` at line 514, column 5 is not reachable after line 515, column 5.
  513.   
  514.   				ZBX_STRDUP(items[i].snmp_community, items[i].snmp_community_orig);
  515. > 				ZBX_STRDUP(items[i].snmp_oid, items[i].snmp_oid_orig);
  516.   
  517.   				substitute_simple_macros_unmasked(NULL, NULL, NULL, NULL, &items[i].host.hostid, NULL,

src/zabbix_server/poller/poller.c:547: error: MEMORY_LEAK
  memory dynamically allocated by call to `zbx_strdup2()` at line 546, column 5 is not reachable after line 547, column 5.
  545.   
  546.   				ZBX_STRDUP(items[i].publickey, items[i].publickey_orig);
  547. > 				ZBX_STRDUP(items[i].privatekey, items[i].privatekey_orig);
  548.   
  549.   				substitute_simple_macros(NULL, NULL, NULL, NULL, &items[i].host.hostid, NULL, NULL,

src/zabbix_server/poller/poller.c:569: error: MEMORY_LEAK
  memory dynamically allocated by call to `zbx_strdup2()` at line 568, column 25 is not reachable after line 569, column 25.
  567.   
  568.   				items[i].username = zbx_strdup(items[i].username, items[i].username_orig);
  569. > 				items[i].password = zbx_strdup(items[i].password, items[i].password_orig);
  570.   
  571.   				substitute_simple_macros_unmasked(NULL, NULL, NULL, NULL, &items[i].host.hostid, NULL,

src/libs/zbxdbcache/valuecache.c:457: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  455.   		int count, const zbx_timespec_t *ts)
  456.   {
  457. > 	int	ret = FAIL, i, j, range_start;
  458.   
  459.   	if (0 == count)

src/libs/zbxsysinfo/common/http.c:474: error: NULL_DEREFERENCE
  pointer `path_str` last assigned on line 469 could be null and is dereferenced by call to `get_http_page()` at line 474, column 31.
  472.   	start_time = zbx_time();
  473.   
  474. > 	if (SYSINFO_RET_OK == (ret = get_http_page(hostname, path_str, port_str, NULL, &error)))
  475.   		SET_DBL_RESULT(result, zbx_time() - start_time);
  476.   	else

src/zabbix_server/proxypoller/proxypoller.c:529: error: UNINITIALIZED_VALUE
  The value read from proxy_old.auto_compress was never initialized.
  527.   		}
  528.   error:
  529. > 		if (proxy_old.version != proxy.version || proxy_old.auto_compress != proxy.auto_compress ||
  530.   				proxy_old.lastaccess != proxy.lastaccess)
  531.   		{

src/zabbix_server/proxypoller/proxypoller.c:530: error: UNINITIALIZED_VALUE
  The value read from proxy_old.lastaccess was never initialized.
  528.   error:
  529.   		if (proxy_old.version != proxy.version || proxy_old.auto_compress != proxy.auto_compress ||
  530. > 				proxy_old.lastaccess != proxy.lastaccess)
  531.   		{
  532.   			zbx_update_proxy_data(&proxy_old, proxy.version, proxy.lastaccess, proxy.auto_compress, 0);

src/zabbix_server/proxypoller/proxypoller.c:529: error: UNINITIALIZED_VALUE
  The value read from proxy_old.version was never initialized.
  527.   		}
  528.   error:
  529. > 		if (proxy_old.version != proxy.version || proxy_old.auto_compress != proxy.auto_compress ||
  530.   				proxy_old.lastaccess != proxy.lastaccess)
  531.   		{

src/libs/zbxdbhigh/discovery.c:497: error: UNINITIALIZED_VALUE
  The value read from dservice.dserviceid was never initialized.
  495.   
  496.   	/* service was not registered because we do not add down service */
  497. > 	if (0 != dservice.dserviceid)
  498.   		discovery_update_service_status(dhost, &dservice, status, value, now);
  499.   

src/libs/zbxdbhigh/discovery.c:500: error: UNINITIALIZED_VALUE
  The value read from dservice.value was never initialized.
  498.   		discovery_update_service_status(dhost, &dservice, status, value, now);
  499.   
  500. > 	zbx_free(dservice.value);
  501.   
  502.   	zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __func__);

src/zabbix_sender/zabbix_sender.c:523: error: DEAD_STORE
  The value written to &p (type char const *) is never used.
  521.   
  522.   					buf[buf_i] = '\0';
  523. > 					return ++p;
  524.   				}
  525.   				else if ('\\' == *p && ('"' == p[1] || '\\' == p[1]))

src/zabbix_server/httppoller/httptest.c:520: error: USE_AFTER_FREE
  pointer `line` last assigned on line 518 was freed by call to `free()` at line 525, column 3 and is dereferenced or freed at line 520, column 12.
  518.   	while (NULL != (line = zbx_http_parse_header(&headers)))
  519.   	{
  520. > 		if (0 == strncmp(COOKIE_HEADER_STR, line, COOKIE_HEADER_STR_LEN))
  521.   			*header_cookie = zbx_strdup(*header_cookie, line + COOKIE_HEADER_STR_LEN);
  522.   		else

src/libs/zbxdbhigh/itservices.c:592: error: NULL_DEREFERENCE
  pointer `&updates->values` last assigned on line 525 could be null and is dereferenced by call to `zbx_vector_ptr_clear_ext()` at line 592, column 2.
  590.   	zbx_free(sql);
  591.   
  592. > 	zbx_vector_ptr_clear_ext(&updates, (zbx_clean_func_t)zbx_status_update_free);
  593.   	zbx_vector_ptr_destroy(&updates);
  594.   

src/libs/zbxsysinfo/common/file.c:613: error: UNINITIALIZED_VALUE
  The value read from nbytes was never initialized.
  611.   	}
  612.   
  613. > 	if (-1 == nbytes)	/* error occurred */
  614.   	{
  615.   		SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot read from file."));

src/zabbix_server/alerter/alerter_protocol.c:561: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  559.   		data += zbx_deserialize_value(data, &alert->object);
  560.   		data += zbx_deserialize_value(data, &alert->objectid);
  561. > 		data += zbx_deserialize_str(data, &alert->sendto, len);
  562.   		data += zbx_deserialize_str(data, &alert->subject, len);
  563.   		data += zbx_deserialize_str(data, &alert->message, len);

src/libs/zbxserver/evalfunc.c:762: error: UNINITIALIZED_VALUE
  The value read from arg2_2_ui64 was never initialized.
  760.   					for (i = 0; i < values.values_num; i++)
  761.   					{
  762. > 						count_one_ui64(&count, op, values.values[i].value.ui64, arg2_ui64,
  763.   								arg2_2_ui64);
  764.   					}

src/libs/zbxserver/evalfunc.c:780: error: UNINITIALIZED_VALUE
  The value read from arg2_dbl was never initialized.
  778.   				{
  779.   					for (i = 0; i < values.values_num; i++)
  780. > 						count_one_dbl(&count, op, values.values[i].value.dbl, arg2_dbl);
  781.   				}
  782.   				else

src/libs/zbxserver/evalfunc.c:762: error: UNINITIALIZED_VALUE
  The value read from arg2_ui64 was never initialized.
  760.   					for (i = 0; i < values.values_num; i++)
  761.   					{
  762. > 						count_one_ui64(&count, op, values.values[i].value.ui64, arg2_ui64,
  763.   								arg2_2_ui64);
  764.   					}

src/libs/zbxtasks/task.c:590: error: UNINITIALIZED_VALUE
  The value read from taskid was never initialized.
  588.   
  589.   		if (0 == tasks[i]->taskid)
  590. > 			tasks[i]->taskid = taskid++;
  591.   	}
  592.   

src/libs/zbxcommon/str.c:616: error: DEAD_STORE
  The value written to &out_alloc (type unsigned long) is never used.
  614.   	}
  615.   
  616. > 	out = zbx_malloc(NULL, ++out_alloc);
  617.   
  618.   	for (pin = text, pout = out; '\0' != *pin; pin++)

src/libs/zbxmedia/email.c:740: error: UNINITIALIZED_VALUE
  The value read from payload_status.payload was never initialized.
  738.   	zbx_strlcpy(error, curl_easy_strerror(err), max_error_len);
  739.   clean:
  740. > 	zbx_free(payload_status.payload);
  741.   
  742.   	curl_slist_free_all(recipients);

src/zabbix_server/alerter/alerter_protocol.c:621: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  619.   		data += zbx_deserialize_value(data, &media->mediaid);
  620.   		data += zbx_deserialize_value(data, &media->mediatypeid);
  621. > 		data += zbx_deserialize_str(data, &media->sendto, len);
  622.   
  623.   		(*medias)[i] = media;

src/libs/zbxdbhigh/itservices.c:620: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  618.   static int	its_flush_updates(const zbx_vector_ptr_t *updates)
  619.   {
  620. > 	int				i, j, k, ret = FAIL;
  621.   	const zbx_status_update_t	*update;
  622.   	zbx_itservices_t		itservices;

src/zabbix_server/httppoller/httptest.c:904: error: UNINITIALIZED_VALUE
  The value read from stat.rspcode was never initialized.
  902.   			}
  903.   			else if ('\0' != *db_httpstep.status_codes &&
  904. > 					FAIL == int_in_list(db_httpstep.status_codes, stat.rspcode))
  905.   			{
  906.   				err_str = zbx_dsprintf(err_str, "response code \"%ld\" did not match any of the"

src/zabbix_server/httppoller/httptest.c:906: error: UNINITIALIZED_VALUE
  The value read from stat.rspcode was never initialized.
  904.   					FAIL == int_in_list(db_httpstep.status_codes, stat.rspcode))
  905.   			{
  906. > 				err_str = zbx_dsprintf(err_str, "response code \"%ld\" did not match any of the"
  907.   						" required status codes \"%s\"", stat.rspcode,
  908.   						db_httpstep.status_codes);

src/zabbix_server/httppoller/httptest.c:924: error: UNINITIALIZED_VALUE
  The value read from stat.speed_download was never initialized.
  922.   			else
  923.   			{
  924. > 				speed_download += stat.speed_download;
  925.   				speed_download_num++;
  926.   			}

src/zabbix_server/preprocessor/preproc_manager.c:713: error: UNINITIALIZED_VALUE
  The value read from notsupp_shift was never initialized.
  711.   	}
  712.   
  713. > 	if (REQUEST_STATE_QUEUED == state && 0 <= notsupp_shift)
  714.   	{
  715.   		request->value_type = item->value_type;

src/zabbix_server/preprocessor/preproc_manager.c:718: error: UNINITIALIZED_VALUE
  The value read from notsupp_shift was never initialized.
  716.   		request->steps = (zbx_preproc_op_t *)zbx_malloc(NULL, sizeof(zbx_preproc_op_t) *
  717.   				(item->preproc_ops_num - notsupp_shift));
  718. > 		request->steps_num = item->preproc_ops_num - notsupp_shift;
  719.   
  720.   		for (i = 0; i < item->preproc_ops_num - notsupp_shift; i++)

src/zabbix_server/preprocessor/preproc_manager.c:720: error: UNINITIALIZED_VALUE
  The value read from notsupp_shift was never initialized.
  718.   		request->steps_num = item->preproc_ops_num - notsupp_shift;
  719.   
  720. > 		for (i = 0; i < item->preproc_ops_num - notsupp_shift; i++)
  721.   		{
  722.   			request->steps[i].type = item->preproc_ops[i + notsupp_shift].type;

src/zabbix_server/poller/checks_simple_vmware.c:682: error: USE_AFTER_FREE
  pointer `add_result` last assigned on line 681 was freed by call to `free()` at line 697, column 4 and is dereferenced or freed at line 682, column 3.
  680.   
  681.   		add_result = (AGENT_RESULT *)zbx_malloc(add_result, sizeof(AGENT_RESULT));
  682. > 		init_result(add_result);
  683.   
  684.   		if (SUCCEED == set_result_type(add_result, item->value_type, event->message))

src/zabbix_server/alerter/alerter_protocol.c:690: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  688.   		data += zbx_deserialize_value(data, &result->status);
  689.   		data += zbx_deserialize_value(data, &result->retries);
  690. > 		data += zbx_deserialize_str(data, &result->value, len);
  691.   		data += zbx_deserialize_str(data, &result->error, len);
  692.   

src/libs/zbxdbupgrade/dbupgrade_5010.c:704: error: NULL_DEREFERENCE
  pointer `v` last assigned on line 702 could be null and is dereferenced by call to `zbx_vector_char_create()` at line 704, column 2.
  702.   	v = (zbx_vector_char_t *)malloc(sizeof(zbx_vector_char_t));
  703.   
  704. > 	zbx_vector_char_create(v);
  705.   	zbx_vector_char_append_array(v, fill, SCREEN_MAX_ROWS);
  706.   

src/libs/zbxjson/jsonpath.c:870: error: NULL_DEREFERENCE
  pointer `&operators->values` last assigned on line 718 could be null and is dereferenced by call to `zbx_vector_ptr_clear_ext()` at line 870, column 3.
  868.   	if (SUCCEED != ret)
  869.   	{
  870. > 		zbx_vector_ptr_clear_ext(&operators, (zbx_clean_func_t)jsonpath_token_free);
  871.   		zbx_vector_ptr_clear_ext(&output, (zbx_clean_func_t)jsonpath_token_free);
  872.   	}

src/zabbix_server/lld/lld_host.c:835: error: UNINITIALIZED_VALUE
  The value read from host was never initialized.
  833.   	zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%p", __func__, (void *)host);
  834.   
  835. > 	return host;
  836.   }
  837.   

src/zabbix_sender/zabbix_sender.c:728: error: USE_AFTER_FREE
  pointer `thread_args` last assigned on line 726 was freed by call to `free()` at line 746, column 3 and is dereferenced or freed at line 728, column 3.
  726.   		thread_args = (zbx_thread_args_t *)zbx_malloc(NULL, sizeof(zbx_thread_args_t));
  727.   
  728. > 		thread_args->args = &sendval_args[i];
  729.   
  730.   		sendval_args[i].server = destinations[i].host;

src/zabbix_server/preprocessor/preprocessing.c:729: error: UNINITIALIZED_VALUE
  The value read from value_len was never initialized.
  727.   	offset += zbx_deserialize_char(offset, &value->item_flags);
  728.   	offset += zbx_deserialize_char(offset, &value->state);
  729. > 	offset += zbx_deserialize_str(offset, &value->error, value_len);
  730.   	offset += zbx_deserialize_char(offset, &ts_marker);
  731.   

src/libs/zbxcommon/str.c:751: error: USE_AFTER_FREE
  pointer `string` last assigned on line 736 was freed by call to `free()` at line 751, column 3 and is dereferenced or freed at line 751, column 3.
  749.   			size = n + 1;	/* n bytes + trailing '\0' */
  750.   
  751. > 		zbx_free(string);
  752.   	}
  753.   

src/libs/zbxdbhigh/db.c:758: error: NULL_DEREFERENCE
  pointer `table` last assigned on line 746 could be null and is dereferenced at line 758, column 5.
  756.   
  757.   		result = DBselect("select nextid from ids where table_name='%s' and field_name='%s'",
  758. > 				table->table, table->recid);
  759.   
  760.   		if (NULL == (row = DBfetch(result)))

src/libs/zbxdbhigh/db.c:833: error: UNINITIALIZED_VALUE
  The value read from ret2 was never initialized.
  831.   			__func__, ret2 - num + 1, table->table, table->recid);
  832.   
  833. > 	return ret2 - num + 1;
  834.   }
  835.   

src/libs/zbxcomms/comms.c:789: error: UNINITIALIZED_VALUE
  The value read from err was never initialized.
  787.   
  788.   	if (ZBX_PROTO_ERROR == res)
  789. > 		zbx_set_socket_strerror("ZBX_TCP_WRITE() failed: %s", strerror_from_system(err));
  790.   
  791.   	return res;

src/libs/zbxdbhigh/itservices.c:805: error: NULL_DEREFERENCE
  pointer `&updates->values` last assigned on line 785 could be null and is dereferenced by call to `zbx_vector_ptr_clear_ext()` at line 805, column 2.
  803.   	UNLOCK_ITSERVICES;
  804.   
  805. > 	zbx_vector_ptr_clear_ext(&updates, (zbx_clean_func_t)zbx_status_update_free);
  806.   	zbx_vector_ptr_destroy(&updates);
  807.   

src/libs/zbxcommon/misc.c:821: error: NULL_DEREFERENCE
  pointer `tm` last assigned on line 820 could be null and is dereferenced at line 821, column 13.
  819.   
  820.   	tm = localtime(&now);
  821. > 	day = 0 == tm->tm_wday ? 7 : tm->tm_wday;
  822.   	time = SEC_PER_HOUR * tm->tm_hour + SEC_PER_MIN * tm->tm_min + tm->tm_sec;
  823.   

src/libs/zbxdbupgrade/dbupgrade_5010.c:837: error: NULL_DEREFERENCE
  pointer `block` last assigned on line 836 could be null and is dereferenced at line 837, column 3.
  835.   	{
  836.   		block = (sciitem_block_t *)malloc(sizeof(sciitem_block_t));
  837. > 		block->r_block = lw_array_create_fill(scitems->values[i].position, scitems->values[i].span);
  838.   		block->index = i;
  839.   		zbx_vector_ptr_append(&blocks, (void *)block);

src/zabbix_server/preprocessor/preprocessing.c:842: error: UNINITIALIZED_VALUE
  The value read from value_len was never initialized.
  840.   	offset += preprocesser_unpack_history(offset, history);
  841.   
  842. > 	(void)zbx_deserialize_str(offset, error, value_len);
  843.   }
  844.   

src/libs/zbxregexp/zbxregexp.c:850: error: DEAD_STORE
  The value written to &c (type char*) is never used.
  848.   		{
  849.   			*c = delimiter;
  850. > 			s = ++c;
  851.   		}
  852.   		else

src/libs/zbxdbupgrade/dbupgrade.c:858: error: DEAD_STORE
  The value written to &dbversion (type zbx_db_version_t*) is never used.
  856.   		;
  857.   
  858. > 	patches = (--dbversion)->patches;
  859.   
  860.   	for (i = 0; 0 != patches[i].version; i++)

src/zabbix_server/preprocessor/preprocessing.c:873: error: UNINITIALIZED_VALUE
  The value read from value_len was never initialized.
  871.   		result = (zbx_preproc_result_t *)zbx_malloc(NULL, sizeof(zbx_preproc_result_t));
  872.   		offset += preprocesser_unpack_variant(offset, &result->value);
  873. > 		offset += zbx_deserialize_str(offset, &result->error, value_len);
  874.   		offset += zbx_deserialize_char(offset, &result->action);
  875.   		zbx_vector_ptr_append(results, result);

src/zabbix_server/preprocessor/preprocessing.c:880: error: UNINITIALIZED_VALUE
  The value read from value_len was never initialized.
  878.   	offset += preprocesser_unpack_history(offset, history);
  879.   
  880. > 	(void)zbx_deserialize_str(offset, error, value_len);
  881.   }
  882.   

src/libs/zbxjson/json.c:897: error: DEAD_STORE
  The value written to &p (type char const *) is never used.
  895.   			case '"':
  896.   				*out = '\0';
  897. > 				return ++p;
  898.   			default:
  899.   				*out++ = *p++;

src/zabbix_server/preprocessor/item_preproc.c:884: error: NULL_DEREFERENCE
  pointer `value->data.str` last assigned on line 881 could be null and is dereferenced by call to `zbx_json_open()` at line 884, column 14.
  882.   		return FAIL;
  883.   
  884. > 	if (FAIL == zbx_json_open(value->data.str, &jp) || FAIL == zbx_jsonpath_query(&jp, params, &data))
  885.   	{
  886.   		*errmsg = zbx_strdup(*errmsg, zbx_json_strerror());

src/libs/zbxdbupgrade/dbupgrade_5010.c:923: error: UNINITIALIZED_VALUE
  The value read from potential_value was never initialized.
  921.   
  922.   			if (0 > potential_index ||
  923. > 					(dimensions_sum > target && value > potential_value) ||
  924.   					(dimensions_sum < target && value < potential_value))
  925.   			{

src/libs/zbxdbupgrade/dbupgrade_5010.c:924: error: UNINITIALIZED_VALUE
  The value read from potential_value was never initialized.
  922.   			if (0 > potential_index ||
  923.   					(dimensions_sum > target && value > potential_value) ||
  924. > 					(dimensions_sum < target && value < potential_value))
  925.   			{
  926.   				potential_index = i;

src/libs/zbxdbupgrade/dbupgrade_5010.c:931: error: UNINITIALIZED_VALUE
  The value read from potential_value was never initialized.
  929.   		}
  930.   
  931. > 		zabbix_log(LOG_LEVEL_TRACE, "dim_sum:%d pot_idx/val:%d/%.2lf", dimensions_sum,
  932.   				potential_index, potential_value);
  933.   

src/libs/zbxjson/jsonpath.c:904: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  902.   {
  903.   	zbx_jsonpath_segment_t		*segment;
  904. > 	int				ret = FAIL, parsed_name = 0;
  905.   	const char			*end, *start = NULL;
  906.   	zbx_jsonpath_list_node_t	*head = NULL;

src/libs/zbxdbupgrade/dbupgrade_3010.c:976: error: UNINITIALIZED_VALUE
  The value read from op_token.l was never initialized.
  974.   					(ZBX_3010026_TOKEN_CLOSE == token_type || ZBX_3010026_TOKEN_END == token_type)))
  975.   			{
  976. > 				cut_loc.l = op_token.l;
  977.   				cut_loc.r = value_token.r;
  978.   				DBpatch_3010026_expression_move_location(&token, -(cut_loc.r - cut_loc.l + 1));

src/libs/zbxdbupgrade/dbupgrade_3010.c:984: error: UNINITIALIZED_VALUE
  The value read from value_token.l was never initialized.
  982.   			else
  983.   			{
  984. > 				cut_loc.l = value_token.l;
  985.   
  986.   				if (ZBX_3010026_TOKEN_CLOSE == token_type || ZBX_3010026_TOKEN_END == token_type)

src/libs/zbxdbupgrade/dbupgrade_3010.c:977: error: UNINITIALIZED_VALUE
  The value read from value_token.r was never initialized.
  975.   			{
  976.   				cut_loc.l = op_token.l;
  977. > 				cut_loc.r = value_token.r;
  978.   				DBpatch_3010026_expression_move_location(&token, -(cut_loc.r - cut_loc.l + 1));
  979.   				prevop_type = token_type;

src/zabbix_server/preprocessor/preproc_manager.c:921: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  919.   		zbx_variant_t *value, char *error)
  920.   {
  921. > 	int		type, ret = FAIL;
  922.   	zbx_log_t	*log;
  923.   

src/libs/zbxdbcache/dbconfig.c:974: error: UNINITIALIZED_VALUE
  The value read from row[_] was never initialized.
  972.   	/* store the config data */
  973.   
  974. > 	if (NULL != row[0])
  975.   		ZBX_STR2UINT64(config->config->discovery_groupid, row[0]);
  976.   	else

src/zabbix_agent/active.c:998: error: UNINITIALIZED_VALUE
  The value read from i was never initialized.
  996.   		}
  997.   
  998. > 		if (0 != (ZBX_METRIC_FLAG_PERSISTENT & flags) || i == buffer.count)
  999.   		{
  1000.   			for (i = 0; i < buffer.count; i++)

src/zabbix_agent/active.c:1010: error: UNINITIALIZED_VALUE
  The value read from i was never initialized.
  1008.   		if (NULL != el)
  1009.   		{
  1010. > 			zabbix_log(LOG_LEVEL_DEBUG, "remove element [%d] Key:'%s:%s'", i, el->host, el->key);
  1011.   
  1012.   			zbx_free(el->host);

src/zabbix_agent/active.c:1018: error: UNINITIALIZED_VALUE
  The value read from i was never initialized.
  1016.   		}
  1017.   
  1018. > 		sz = (CONFIG_BUFFER_SIZE - i - 1) * sizeof(ZBX_ACTIVE_BUFFER_ELEMENT);
  1019.   		memmove(&buffer.data[i], &buffer.data[i + 1], sz);
  1020.   

src/libs/zbxalgo/prediction.c:1128: error: UNINITIALIZED_VALUE
  The value read from result was never initialized.
  1126.   		result = ZBX_MATH_ERROR;
  1127.   	}
  1128. > 	else if (ZBX_IS_NAN(result))
  1129.   	{
  1130.   		zabbix_log(LOG_LEVEL_DEBUG, "numerical error");

src/libs/zbxalgo/prediction.c:1133: error: UNINITIALIZED_VALUE
  The value read from result was never initialized.
  1131.   		result = ZBX_MATH_ERROR;
  1132.   	}
  1133. > 	else if (DB_INFINITY < result)
  1134.   	{
  1135.   		result = DB_INFINITY;

src/libs/zbxalgo/prediction.c:1137: error: UNINITIALIZED_VALUE
  The value read from result was never initialized.
  1135.   		result = DB_INFINITY;
  1136.   	}
  1137. > 	else if (-DB_INFINITY > result)
  1138.   	{
  1139.   		result = -DB_INFINITY;

src/libs/zbxalgo/prediction.c:1142: error: UNINITIALIZED_VALUE
  The value read from result was never initialized.
  1140.   	}
  1141.   
  1142. > 	return result;
  1143.   }
  1144.   

src/libs/zbxjson/jsonpath.c:1014: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  1012.   	zbx_jsonpath_segment_t		*segment;
  1013.   	const char			*end, *start = NULL;
  1014. > 	int				ret = FAIL, type = ZBX_JSONPATH_SEGMENT_UNKNOWN;
  1015.   	unsigned int			flags = 0, parsed_index = 0;
  1016.   	zbx_jsonpath_list_node_t	*head = NULL, *node;

src/zabbix_server/poller/checks_snmp.c:1059: error: DEAD_STORE
  The value written to &anOID_len (type unsigned long) is never used.
  1057.   	struct snmp_pdu		*pdu, *response;
  1058.   	oid			anOID[MAX_OID_LEN], rootOID[MAX_OID_LEN];
  1059. > 	size_t			anOID_len = MAX_OID_LEN, rootOID_len = MAX_OID_LEN, root_string_len, root_numeric_len;
  1060.   	char			oid_index[MAX_STRING_LEN];
  1061.   	struct variable_list	*var;

src/zabbix_server/housekeeper/housekeeper.c:1149: error: UNINITIALIZED_VALUE
  The value read from sleeptime was never initialized.
  1147.   			zbx_sleep_forever();
  1148.   		else
  1149. > 			zbx_sleep_loop(sleeptime);
  1150.   
  1151.   		if (!ZBX_IS_RUNNING())

src/zabbix_agent/procstat.c:1168: error: NULL_DEREFERENCE
  pointer `&processes->values` last assigned on line 1141 could be null and is dereferenced by call to `zbx_proc_free_processes()` at line 1168, column 2.
  1166.   	zbx_vector_uint64_destroy(&pids);
  1167.   
  1168. > 	zbx_proc_free_processes(&processes);
  1169.   	zbx_vector_ptr_destroy(&processes);
  1170.   

src/zabbix_server/lld/lld.c:1205: error: UNINITIALIZED_VALUE
  The value read from hostid was never initialized.
  1203.   	now = time(NULL);
  1204.   
  1205. > 	if (SUCCEED != lld_update_items(hostid, lld_ruleid, &lld_rows, &lld_macro_paths, error, lifetime, now))
  1206.   	{
  1207.   		zabbix_log(LOG_LEVEL_DEBUG, "cannot update/add items because parent host was removed while"

src/zabbix_server/lld/lld.c:1214: error: UNINITIALIZED_VALUE
  The value read from hostid was never initialized.
  1212.   	lld_item_links_sort(&lld_rows);
  1213.   
  1214. > 	if (SUCCEED != lld_update_triggers(hostid, lld_ruleid, &lld_rows, &lld_macro_paths, error, lifetime, now))
  1215.   	{
  1216.   		zabbix_log(LOG_LEVEL_DEBUG, "cannot update/add triggers because parent host was removed while"

src/zabbix_server/lld/lld.c:1221: error: UNINITIALIZED_VALUE
  The value read from hostid was never initialized.
  1219.   	}
  1220.   
  1221. > 	if (SUCCEED != lld_update_graphs(hostid, lld_ruleid, &lld_rows, &lld_macro_paths, error, lifetime, now))
  1222.   	{
  1223.   		zabbix_log(LOG_LEVEL_DEBUG, "cannot update/add graphs because parent host was removed while"

src/zabbix_server/lld/lld.c:1205: error: UNINITIALIZED_VALUE
  The value read from lifetime was never initialized.
  1203.   	now = time(NULL);
  1204.   
  1205. > 	if (SUCCEED != lld_update_items(hostid, lld_ruleid, &lld_rows, &lld_macro_paths, error, lifetime, now))
  1206.   	{
  1207.   		zabbix_log(LOG_LEVEL_DEBUG, "cannot update/add items because parent host was removed while"

src/zabbix_server/lld/lld.c:1214: error: UNINITIALIZED_VALUE
  The value read from lifetime was never initialized.
  1212.   	lld_item_links_sort(&lld_rows);
  1213.   
  1214. > 	if (SUCCEED != lld_update_triggers(hostid, lld_ruleid, &lld_rows, &lld_macro_paths, error, lifetime, now))
  1215.   	{
  1216.   		zabbix_log(LOG_LEVEL_DEBUG, "cannot update/add triggers because parent host was removed while"

src/zabbix_server/lld/lld.c:1221: error: UNINITIALIZED_VALUE
  The value read from lifetime was never initialized.
  1219.   	}
  1220.   
  1221. > 	if (SUCCEED != lld_update_graphs(hostid, lld_ruleid, &lld_rows, &lld_macro_paths, error, lifetime, now))
  1222.   	{
  1223.   		zabbix_log(LOG_LEVEL_DEBUG, "cannot update/add graphs because parent host was removed while"

src/zabbix_server/lld/lld.c:1228: error: UNINITIALIZED_VALUE
  The value read from lifetime was never initialized.
  1226.   	}
  1227.   
  1228. > 	lld_update_hosts(lld_ruleid, &lld_rows, &lld_macro_paths, error, lifetime, now);
  1229.   
  1230.   	/* add informative warning to the error message about lack of data for macros used in filter */

src/libs/zbxalgo/prediction.c:1203: error: UNINITIALIZED_VALUE
  The value read from result was never initialized.
  1201.   		result = ZBX_MATH_ERROR;
  1202.   	}
  1203. > 	else if (ZBX_IS_NAN(result))
  1204.   	{
  1205.   		zabbix_log(LOG_LEVEL_DEBUG, "numerical error");

src/libs/zbxalgo/prediction.c:1208: error: UNINITIALIZED_VALUE
  The value read from result was never initialized.
  1206.   		result = ZBX_MATH_ERROR;
  1207.   	}
  1208. > 	else if (0.0 > result || DB_INFINITY < result)
  1209.   	{
  1210.   		result = DB_INFINITY;

src/libs/zbxalgo/prediction.c:1208: error: UNINITIALIZED_VALUE
  The value read from result was never initialized.
  1206.   		result = ZBX_MATH_ERROR;
  1207.   	}
  1208. > 	else if (0.0 > result || DB_INFINITY < result)
  1209.   	{
  1210.   		result = DB_INFINITY;

src/libs/zbxalgo/prediction.c:1214: error: UNINITIALIZED_VALUE
  The value read from result was never initialized.
  1212.   
  1213.   	zbx_matrix_free(coefficients);
  1214. > 	return result;
  1215.   }

src/zabbix_server/events.c:1192: error: UNINITIALIZED_VALUE
  The value read from scope was never initialized.
  1190.   		}
  1191.   
  1192. > 		if (ZBX_CHECK_OLD_EVENTS == scope)
  1193.   		{
  1194.   			if (ZBX_PROBLEM_STATE_UNKNOWN == *problem_state)

src/libs/zbxsysinfo/linux/proc.c:1212: error: UNINITIALIZED_VALUE
  The value read from cmdline_nbytes was never initialized.
  1210.   
  1211.   		/* according to proc(5) the arguments are separated by '\0' */
  1212. > 		for (i = 0; i < cmdline_nbytes - 1; i++)
  1213.   			if ('\0' == cmdline[i])
  1214.   				cmdline[i] = ' ';

src/zabbix_server/preprocessor/preprocessing.c:1195: error: UNINITIALIZED_VALUE
  The value read from value_len was never initialized.
  1193.   
  1194.   	offset += zbx_deserialize_char(offset, value_type);
  1195. > 	offset += zbx_deserialize_str(offset, value, value_len);
  1196.   	offset += zbx_deserialize_int(offset, &ts->sec);
  1197.   	offset += zbx_deserialize_int(offset, &ts->ns);

src/libs/zbxcommon/str.c:1199: error: NULL_DEREFERENCE
  pointer `tm` last assigned on line 1197 could be null and is dereferenced at line 1199, column 4.
  1197.   	tm = zbx_localtime(&date, tz);
  1198.   	zbx_snprintf(buffer, sizeof(buffer), "%.4d.%.2d.%.2d",
  1199. > 			tm->tm_year + 1900,
  1200.   			tm->tm_mon + 1,
  1201.   			tm->tm_mday);

src/libs/zbxdbupgrade/dbupgrade_5010.c:1244: error: UNINITIALIZED_VALUE
  The value read from new_fieldid was never initialized.
  1242.   		if (ZBX_DB_OK > DBexecute("insert into widget_field (widget_fieldid,widgetid,type,name,value_int,"
  1243.   				"value_str,value_itemid,value_graphid) values (" ZBX_FS_UI64 "," ZBX_FS_UI64 ",%d,"
  1244. > 				"'%s',%d,'%s',%s,%s)", new_fieldid++, widget->widgetid,
  1245.   				f->type, f->name, f->value_int, url_esc, s1, s2))
  1246.   		{

src/libs/zbxcommon/str.c:1213: error: NULL_DEREFERENCE
  pointer `tm` last assigned on line 1211 could be null and is dereferenced at line 1213, column 4.
  1211.   	tm = zbx_localtime(&time, tz);
  1212.   	zbx_snprintf(buffer, sizeof(buffer), "%.2d:%.2d:%.2d",
  1213. > 			tm->tm_hour,
  1214.   			tm->tm_min,
  1215.   			tm->tm_sec);

src/zabbix_server/preprocessor/item_preproc.c:1252: error: NULL_DEREFERENCE
  pointer `value_str.data.str` last assigned on line 1246 could be null and is dereferenced by call to `strlen()` at line 1252, column 55.
  1250.   	}
  1251.   
  1252. > 	if (NULL == (doc = xmlReadMemory(value_str.data.str, strlen(value_str.data.str), "noname.xml", NULL, 0)))
  1253.   		goto out;
  1254.   

src/libs/zbxdbupgrade/dbupgrade_5010.c:1383: error: UNINITIALIZED_VALUE
  The value read from offsets_x[_] was never initialized.
  1381.   
  1382.   		memset((void *)&w, 0, sizeof(zbx_db_widget_t));
  1383. > 		w.x = offsets_x[si->x];
  1384.   		w.y = offsets_y[si->y];
  1385.   		w.width = offsets_x[offset_idx_x] - offsets_x[si->x];

src/libs/zbxdbupgrade/dbupgrade_5010.c:1385: error: UNINITIALIZED_VALUE
  The value read from offsets_x[_] was never initialized.
  1383.   		w.x = offsets_x[si->x];
  1384.   		w.y = offsets_y[si->y];
  1385. > 		w.width = offsets_x[offset_idx_x] - offsets_x[si->x];
  1386.   		w.height = offsets_y[offset_idx_y] - offsets_y[si->y];
  1387.   

src/libs/zbxdbupgrade/dbupgrade_5010.c:1384: error: UNINITIALIZED_VALUE
  The value read from offsets_y[_] was never initialized.
  1382.   		memset((void *)&w, 0, sizeof(zbx_db_widget_t));
  1383.   		w.x = offsets_x[si->x];
  1384. > 		w.y = offsets_y[si->y];
  1385.   		w.width = offsets_x[offset_idx_x] - offsets_x[si->x];
  1386.   		w.height = offsets_y[offset_idx_y] - offsets_y[si->y];

src/libs/zbxdbupgrade/dbupgrade_5010.c:1386: error: UNINITIALIZED_VALUE
  The value read from offsets_y[_] was never initialized.
  1384.   		w.y = offsets_y[si->y];
  1385.   		w.width = offsets_x[offset_idx_x] - offsets_x[si->x];
  1386. > 		w.height = offsets_y[offset_idx_y] - offsets_y[si->y];
  1387.   
  1388.   		/* skip screen items not fitting on the dashboard */

src/zabbix_server/poller/checks_snmp.c:1395: error: UNINITIALIZED_VALUE
  The value read from mapping[_] was never initialized.
  1393.   			}
  1394.   
  1395. > 			j = mapping[i];
  1396.   
  1397.   			if (parsed_oid_lens[j] != var->name_length ||

src/zabbix_server/poller/checks_snmp.c:1463: error: UNINITIALIZED_VALUE
  The value read from mapping[_] was never initialized.
  1461.   		}
  1462.   
  1463. > 		j = mapping[i];
  1464.   
  1465.   		zabbix_log(LOG_LEVEL_DEBUG, "%s() snmp_synch_response() errindex:%ld OID:'%s'", __func__,

src/zabbix_server/poller/checks_snmp.c:1397: error: UNINITIALIZED_VALUE
  The value read from parsed_oid_lens[_] was never initialized.
  1395.   			j = mapping[i];
  1396.   
  1397. > 			if (parsed_oid_lens[j] != var->name_length ||
  1398.   					0 != memcmp(parsed_oids[j], var->name, parsed_oid_lens[j] * sizeof(oid)))
  1399.   			{

src/zabbix_server/poller/checks_snmp.c:1402: error: UNINITIALIZED_VALUE
  The value read from parsed_oid_lens[_] was never initialized.
  1400.   				char	sent_oid[ITEM_SNMP_OID_LEN_MAX], received_oid[ITEM_SNMP_OID_LEN_MAX];
  1401.   
  1402. > 				zbx_snmp_dump_oid(sent_oid, sizeof(sent_oid), parsed_oids[j], parsed_oid_lens[j]);
  1403.   				zbx_snmp_dump_oid(received_oid, sizeof(received_oid), var->name, var->name_length);
  1404.   

src/zabbix_server/vmware/vmware.c:1316: error: NULL_DEREFERENCE
  pointer `cluster` last assigned on line 1315 could be null and is dereferenced at line 1316, column 2.
  1314.   
  1315.   	cluster = (zbx_vmware_cluster_t *)__vm_mem_malloc_func(NULL, sizeof(zbx_vmware_cluster_t));
  1316. > 	cluster->id = vmware_shared_strdup(src->id);
  1317.   	cluster->name = vmware_shared_strdup(src->name);
  1318.   	cluster->status = vmware_shared_strdup(src->status);

src/zabbix_server/vmware/vmware.c:1339: error: NULL_DEREFERENCE
  pointer `event` last assigned on line 1338 could be null and is dereferenced at line 1339, column 2.
  1337.   
  1338.   	event = (zbx_vmware_event_t *)__vm_mem_malloc_func(NULL, sizeof(zbx_vmware_event_t));
  1339. > 	event->key = src->key;
  1340.   	event->message = vmware_shared_strdup(src->message);
  1341.   	event->timestamp = src->timestamp;

src/zabbix_server/vmware/vmware.c:1362: error: NULL_DEREFERENCE
  pointer `diskextent` last assigned on line 1361 could be null and is dereferenced at line 1362, column 2.
  1360.   
  1361.   	diskextent = (zbx_vmware_diskextent_t *)__vm_mem_malloc_func(NULL, sizeof(zbx_vmware_diskextent_t));
  1362. > 	diskextent->diskname = vmware_shared_strdup(src->diskname);
  1363.   	diskextent->partitionid = src->partitionid;
  1364.   

src/libs/zbxdbhigh/proxy.c:1852: error: DEAD_STORE
  The value written to &field_differ (type int) is never used.
  1850.   				f++)
  1851.   		{
  1852. > 			int	field_differ = 1;
  1853.   
  1854.   			/* parse values for the entry (lines 10-12 in T1) */

src/libs/zbxdbhigh/proxy.c:1428: error: NULL_DEREFERENCE
  pointer `table_items` last assigned on line 1424 could be null and is dereferenced by call to `DBget_field()` at line 1428, column 47.
  1426.   		/* do not update existing lastlogsize and mtime fields */
  1427.   		zbx_vector_ptr_create(&skip_fields);
  1428. > 		zbx_vector_ptr_append(&skip_fields, (void *)DBget_field(table_items, "lastlogsize"));
  1429.   		zbx_vector_ptr_append(&skip_fields, (void *)DBget_field(table_items, "mtime"));
  1430.   		zbx_vector_ptr_sort(&skip_fields, ZBX_DEFAULT_PTR_COMPARE_FUNC);

src/libs/zbxdbhigh/proxy.c:1642: error: UNINITIALIZED_VALUE
  The value read from moves.values_num was never initialized.
  1640.   			/* are inserted and existing ones are updated is a bit complex. Let's take a simpler approach */
  1641.   			/* - delete affected old records and insert the new ones. */
  1642. > 			if (0 != moves.values_num)
  1643.   			{
  1644.   				zbx_vector_uint64_append_array(&ins, moves.values, moves.values_num);

src/libs/zbxdbhigh/proxy.c:1644: error: UNINITIALIZED_VALUE
  The value read from moves.values_num was never initialized.
  1642.   			if (0 != moves.values_num)
  1643.   			{
  1644. > 				zbx_vector_uint64_append_array(&ins, moves.values, moves.values_num);
  1645.   				zbx_vector_uint64_sort(&ins, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
  1646.   				zbx_vector_uint64_append_array(del, moves.values, moves.values_num);

src/libs/zbxdbhigh/proxy.c:1646: error: UNINITIALIZED_VALUE
  The value read from moves.values_num was never initialized.
  1644.   				zbx_vector_uint64_append_array(&ins, moves.values, moves.values_num);
  1645.   				zbx_vector_uint64_sort(&ins, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
  1646. > 				zbx_vector_uint64_append_array(del, moves.values, moves.values_num);
  1647.   				zbx_vector_uint64_sort(del, ZBX_DEFAULT_UINT64_COMPARE_FUNC);
  1648.   			}

src/libs/zbxdbhigh/proxy.c:1672: error: UNINITIALIZED_VALUE
  The value read from moves.values_num was never initialized.
  1670.   			/* 'httptest' tables to eliminate conflicts in the 'macro', 'hostid,macro', 'hostid,key_', */
  1671.   			/* 'name', 'name' and 'hostid,name' unique indices */
  1672. > 			if (0 < moves.values_num)
  1673.   			{
  1674.   				sql_offset = 0;

src/zabbix_server/vmware/vmware.c:1385: error: NULL_DEREFERENCE
  pointer `datastore` last assigned on line 1384 could be null and is dereferenced at line 1385, column 2.
  1383.   
  1384.   	datastore = (zbx_vmware_datastore_t *)__vm_mem_malloc_func(NULL, sizeof(zbx_vmware_datastore_t));
  1385. > 	datastore->uuid = vmware_shared_strdup(src->uuid);
  1386.   	datastore->name = vmware_shared_strdup(src->name);
  1387.   	datastore->id = vmware_shared_strdup(src->id);

src/zabbix_agent/logfiles/logfiles.c:1421: error: NULL_DEREFERENCE
  pointer `logfile_candidate` last assigned on line 1419 could be null and is dereferenced by call to `stat()` at line 1421, column 11.
  1419.   	logfile_candidate = zbx_dsprintf(NULL, "%s%s", directory, filename);
  1420.   
  1421. > 	if (0 == zbx_stat(logfile_candidate, &file_buf))
  1422.   	{
  1423.   		if (S_ISREG(file_buf.st_mode) &&

src/zabbix_server/vmware/vmware.c:1431: error: NULL_DEREFERENCE
  pointer `datacenter` last assigned on line 1430 could be null and is dereferenced at line 1431, column 2.
  1429.   
  1430.   	datacenter = (zbx_vmware_datacenter_t *)__vm_mem_malloc_func(NULL, sizeof(zbx_vmware_datacenter_t));
  1431. > 	datacenter->name = vmware_shared_strdup(src->name);
  1432.   	datacenter->id = vmware_shared_strdup(src->id);
  1433.   

src/zabbix_server/vmware/vmware.c:1453: error: NULL_DEREFERENCE
  pointer `dev` last assigned on line 1452 could be null and is dereferenced at line 1453, column 2.
  1451.   
  1452.   	dev = (zbx_vmware_dev_t *)__vm_mem_malloc_func(NULL, sizeof(zbx_vmware_dev_t));
  1453. > 	dev->type = src->type;
  1454.   	dev->instance = vmware_shared_strdup(src->instance);
  1455.   	dev->label = vmware_shared_strdup(src->label);

src/zabbix_server/vmware/vmware.c:1477: error: NULL_DEREFERENCE
  pointer `fs` last assigned on line 1476 could be null and is dereferenced at line 1477, column 2.
  1475.   
  1476.   	fs = (zbx_vmware_fs_t *)__vm_mem_malloc_func(NULL, sizeof(zbx_vmware_fs_t));
  1477. > 	fs->path = vmware_shared_strdup(src->path);
  1478.   	fs->capacity = src->capacity;
  1479.   	fs->free_space = src->free_space;

src/libs/zbxdbhigh/db.c:1484: error: NULL_DEREFERENCE
  pointer `&autoreg_hosts->values` last assigned on line 1482 could be null and is dereferenced by call to `DBregister_host_prepare()` at line 1484, column 2.
  1482.   	zbx_vector_ptr_create(&autoreg_hosts);
  1483.   
  1484. > 	DBregister_host_prepare(&autoreg_hosts, host, ip, dns, port, connection_type, host_metadata, flag, now);
  1485.   	DBregister_host_flush(&autoreg_hosts, proxy_hostid);
  1486.   

src/zabbix_server/vmware/vmware.c:1504: error: NULL_DEREFERENCE
  pointer `props` last assigned on line 1501 could be null and is dereferenced at line 1504, column 3.
  1502.   
  1503.   	for (i = 0; i < props_num; i++)
  1504. > 		props[i] = vmware_shared_strdup(src[i]);
  1505.   
  1506.   	return props;

src/libs/zbxsysinfo/sysinfo.c:1512: error: DEAD_STORE
  The value written to &dst (type char*) is never used.
  1510.   		*dst++ = *param;
  1511.   	}
  1512. > 	*--dst = '\0';
  1513.   }
  1514.   

src/libs/zbxsysinfo/sysinfo.c:1562: error: DEAD_STORE
  The value written to &sz_dst (type unsigned long) is never used.
  1560.   			(*param)[--sz_dst] = '\\';
  1561.   	}
  1562. > 	(*param)[--sz_dst] = '"';
  1563.   
  1564.   	return SUCCEED;

src/libs/zbxdbhigh/template_item.c:1630: error: UNINITIALIZED_VALUE
  The value read from override_conditionid was never initialized.
  1628.   			override_condition = (lld_override_codition_t *)override->override_conditions.values[j];
  1629.   
  1630. > 			zbx_db_insert_add_values(&db_insert_oconditions, override_conditionid, overrideid,
  1631.   					(int)override_condition->operator, override_condition->macro,
  1632.   					override_condition->value);

src/libs/zbxdbhigh/template_item.c:1636: error: UNINITIALIZED_VALUE
  The value read from override_conditionid was never initialized.
  1634.   			if (CONDITION_EVAL_TYPE_EXPRESSION == override->evaltype)
  1635.   			{
  1636. > 				update_template_lld_formula(&override->formula,
  1637.   						override_condition->override_conditionid, override_conditionid);
  1638.   			}

src/libs/zbxdbhigh/template_item.c:1640: error: UNINITIALIZED_VALUE
  The value read from override_conditionid was never initialized.
  1638.   			}
  1639.   
  1640. > 			override_conditionid++;
  1641.   		}
  1642.   

src/libs/zbxdbhigh/template_item.c:1651: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1649.   			override_operation = (zbx_lld_override_operation_t *)override->override_operations.values[j];
  1650.   
  1651. > 			zbx_db_insert_add_values(&db_insert_ooperations, override_operationid, overrideid,
  1652.   					(int)override_operation->operationtype, (int)override_operation->operator,
  1653.   					override_operation->value);

src/libs/zbxdbhigh/template_item.c:1657: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1655.   			if (ZBX_PROTOTYPE_STATUS_COUNT != override_operation->status)
  1656.   			{
  1657. > 				zbx_db_insert_add_values(&db_insert_opstatus, override_operationid,
  1658.   						(int)override_operation->status);
  1659.   			}

src/libs/zbxdbhigh/template_item.c:1663: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1661.   			if (ZBX_PROTOTYPE_DISCOVER_COUNT != override_operation->discover)
  1662.   			{
  1663. > 				zbx_db_insert_add_values(&db_insert_opdiscover, override_operationid,
  1664.   						(int)override_operation->discover);
  1665.   			}

src/libs/zbxdbhigh/template_item.c:1669: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1667.   			if (NULL != override_operation->delay)
  1668.   			{
  1669. > 				zbx_db_insert_add_values(&db_insert_opperiod, override_operationid,
  1670.   						override_operation->delay);
  1671.   			}

src/libs/zbxdbhigh/template_item.c:1675: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1673.   			if (NULL != override_operation->history)
  1674.   			{
  1675. > 				zbx_db_insert_add_values(&db_insert_ophistory, override_operationid,
  1676.   						override_operation->history);
  1677.   			}

src/libs/zbxdbhigh/template_item.c:1681: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1679.   			if (NULL != override_operation->trends)
  1680.   			{
  1681. > 				zbx_db_insert_add_values(&db_insert_optrends, override_operationid,
  1682.   						override_operation->trends);
  1683.   			}

src/libs/zbxdbhigh/template_item.c:1687: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1685.   			if (TRIGGER_SEVERITY_COUNT != override_operation->severity)
  1686.   			{
  1687. > 				zbx_db_insert_add_values(&db_insert_opseverity, override_operationid,
  1688.   						(int)override_operation->severity);
  1689.   			}

src/libs/zbxdbhigh/template_item.c:1695: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1693.   				zbx_db_tag_t	*tag = override_operation->tags.values[k];
  1694.   
  1695. > 				zbx_db_insert_add_values(&db_insert_optag, __UINT64_C(0), override_operationid,
  1696.   						tag->tag, tag->value);
  1697.   			}

src/libs/zbxdbhigh/template_item.c:1701: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1699.   			for (k = 0; k < override_operation->templateids.values_num; k++)
  1700.   			{
  1701. > 				zbx_db_insert_add_values(&db_insert_optemplate, __UINT64_C(0), override_operationid,
  1702.   						override_operation->templateids.values[k]);
  1703.   			}

src/libs/zbxdbhigh/template_item.c:1707: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1705.   			if (HOST_INVENTORY_COUNT != override_operation->inventory_mode)
  1706.   			{
  1707. > 				zbx_db_insert_add_values(&db_insert_opinventory, override_operationid,
  1708.   						(int)override_operation->inventory_mode);
  1709.   			}

src/libs/zbxdbhigh/template_item.c:1711: error: UNINITIALIZED_VALUE
  The value read from override_operationid was never initialized.
  1709.   			}
  1710.   
  1711. > 			override_operationid++;
  1712.   		}
  1713.   

src/libs/zbxdbhigh/template_item.c:1630: error: UNINITIALIZED_VALUE
  The value read from overrideid was never initialized.
  1628.   			override_condition = (lld_override_codition_t *)override->override_conditions.values[j];
  1629.   
  1630. > 			zbx_db_insert_add_values(&db_insert_oconditions, override_conditionid, overrideid,
  1631.   					(int)override_condition->operator, override_condition->macro,
  1632.   					override_condition->value);

src/libs/zbxdbhigh/template_item.c:1644: error: UNINITIALIZED_VALUE
  The value read from overrideid was never initialized.
  1642.   
  1643.   		/* prepare lld_override insert after formula is updated */
  1644. > 		zbx_db_insert_add_values(&db_insert, overrideid, (*pitem)->itemid, override->name, (int)override->step,
  1645.   				(int)override->evaltype, override->formula, (int)override->stop);
  1646.   

src/libs/zbxdbhigh/template_item.c:1651: error: UNINITIALIZED_VALUE
  The value read from overrideid was never initialized.
  1649.   			override_operation = (zbx_lld_override_operation_t *)override->override_operations.values[j];
  1650.   
  1651. > 			zbx_db_insert_add_values(&db_insert_ooperations, override_operationid, overrideid,
  1652.   					(int)override_operation->operationtype, (int)override_operation->operator,
  1653.   					override_operation->value);

src/libs/zbxdbhigh/template_item.c:1714: error: UNINITIALIZED_VALUE
  The value read from overrideid was never initialized.
  1712.   		}
  1713.   
  1714. > 		overrideid++;
  1715.   	}
  1716.   

src/zabbix_server/vmware/vmware.c:1563: error: NULL_DEREFERENCE
  pointer `dsname` last assigned on line 1561 could be null and is dereferenced at line 1563, column 2.
  1561.   	dsname = (zbx_vmware_dsname_t *)__vm_mem_malloc_func(NULL, sizeof(zbx_vmware_dsname_t));
  1562.   
  1563. > 	dsname->name = vmware_shared_strdup(src->name);
  1564.   
  1565.   	VMWARE_VECTOR_CREATE(&dsname->hvdisks, vmware_hvdisk);

src/libs/zbxserver/expression.c:1674: error: DEAD_STORE
  The value written to &buf_offset (type unsigned long) is never used.
  1672.   
  1673.   	if (0 != buf_offset)
  1674. > 		buf[--buf_offset] = '\0';
  1675.   
  1676.   	*replace_to = buf;

src/libs/zbxdbupgrade/dbupgrade_3050.c:1620: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  1618.   	DB_RESULT	result;
  1619.   	DB_ROW		row;
  1620. > 	int		ret = FAIL;
  1621.   	zbx_db_insert_t	db_insert;
  1622.   

src/libs/zbxserver/evalfunc.c:1718: error: UNINITIALIZED_VALUE
  The value read from nodata_win.values_num was never initialized.
  1716.   		if (0 != item->host.proxy_hostid && 0 != lazy)
  1717.   		{
  1718. > 			zabbix_log(LOG_LEVEL_TRACE, "Nodata in %s() flag:%d values_num:%d start_time:%d period:%d",
  1719.   					__func__, nodata_win.flags, nodata_win.values_num, ts.sec - period, period);
  1720.   		}

src/libs/zbxcomms/comms.c:1713: error: UNINITIALIZED_VALUE
  The value read from err was never initialized.
  1711.   
  1712.   	if (ZBX_PROTO_ERROR == res)
  1713. > 		zbx_set_socket_strerror("ZBX_TCP_READ() failed: %s", strerror_from_system(err));
  1714.   
  1715.   	return res;

src/zabbix_server/preprocessor/item_preproc.c:1773: error: DEAD_STORE
  The value written to &params (type char const *) is never used.
  1771.   	}
  1772.   
  1773. > 	hdr_line = ('1' == *(++params) ? 1 : 0);
  1774.   
  1775.   	if ('\0' == *data)

src/zabbix_server/preprocessor/item_preproc.c:1709: error: NULL_DEREFERENCE
  pointer `value->data.str` last assigned on line 1703 could be null and is dereferenced by call to `strlen()` at line 1709, column 13.
  1707.   	zbx_json_initarray(&json, ZBX_JSON_STAT_BUF_LEN);
  1708.   	data = value->data.str;
  1709. > 	data_len = strlen(value->data.str);
  1710.   
  1711.   #define CSV_SEP_LINE	"sep="

src/libs/zbxdbhigh/db.c:1743: error: UNINITIALIZED_VALUE
  The value read from autoreg_hostid was never initialized.
  1741.   		if (0 == autoreg_host->autoreg_hostid)
  1742.   		{
  1743. > 			autoreg_host->autoreg_hostid = autoreg_hostid++;
  1744.   
  1745.   			zbx_db_insert_add_values(&db_insert, autoreg_host->autoreg_hostid, proxy_hostid,

src/libs/zbxcomms/comms.c:1834: error: UNINITIALIZED_VALUE
  The value read from protocol_version was never initialized.
  1832.   
  1833.   			/* compressed protocol stores uncompressed packet size in the reserved data */
  1834. > 			if (0 != (protocol_version & ZBX_TCP_COMPRESS) && ZBX_MAX_RECV_DATA_SIZE < reserved)
  1835.   			{
  1836.   				zabbix_log(LOG_LEVEL_WARNING, "Uncompressed message size " ZBX_FS_UI64

src/libs/zbxcomms/comms.c:1869: error: UNINITIALIZED_VALUE
  The value read from protocol_version was never initialized.
  1867.   		if (buf_stat_bytes + buf_dyn_bytes == expected_len)
  1868.   		{
  1869. > 			if (0 != (protocol_version & ZBX_TCP_COMPRESS))
  1870.   			{
  1871.   				char	*out;

src/libs/zbxcomms/comms.c:1937: error: UNINITIALIZED_VALUE
  The value read from protocol_version was never initialized.
  1935.   	else if (ZBX_TCP_EXPECT_VERSION_VALIDATE == expect)
  1936.   	{
  1937. > 		zabbix_log(LOG_LEVEL_WARNING, "Message from %s is using unsupported protocol version \"%d\"."
  1938.   				" Message ignored.", s->peer, protocol_version);
  1939.   		nbytes = ZBX_PROTO_ERROR;

src/libs/zbxcommon/misc.c:1799: error: NULL_DEREFERENCE
  pointer `tm` last assigned on line 1798 could be null and is dereferenced at line 1799, column 15.
  1797.   
  1798.   		tm = localtime(&time_start);
  1799. > 		dst_start = tm->tm_isdst;
  1800.   
  1801.   		while (end > start + 1)

src/libs/zbxcommon/misc.c:1808: error: NULL_DEREFERENCE
  pointer `tm` last assigned on line 1806 could be null and is dereferenced at line 1808, column 8.
  1806.   			tm = localtime(&time_mid);
  1807.   
  1808. > 			if (tm->tm_isdst == dst_start)
  1809.   				start = mid;
  1810.   			else

src/zabbix_agent/logfiles/logfiles.c:2119: error: UNINITIALIZED_VALUE
  The value read from ret was never initialized.
  2117.   	}
  2118.   out:
  2119. > 	return ret;
  2120.   
  2121.   #undef BUF_SIZE

src/zabbix_server/poller/checks_simple_vmware.c:1950: error: UNINITIALIZED_VALUE
  The value read from disk_capacity was never initialized.
  1948.   	{
  1949.   		case ZBX_VMWARE_DATASTORE_SIZE_TOTAL:
  1950. > 			SET_UI64_RESULT(result, disk_capacity);
  1951.   			break;
  1952.   		case ZBX_VMWARE_DATASTORE_SIZE_FREE:

src/zabbix_server/poller/checks_simple_vmware.c:1953: error: UNINITIALIZED_VALUE
  The value read from disk_capacity was never initialized.
  1951.   			break;
  1952.   		case ZBX_VMWARE_DATASTORE_SIZE_FREE:
  1953. > 			SET_UI64_RESULT(result, disk_capacity - disk_used);
  1954.   			break;
  1955.   		case ZBX_VMWARE_DATASTORE_SIZE_UNCOMMITTED:

src/zabbix_server/poller/checks_simple_vmware.c:1959: error: UNINITIALIZED_VALUE
  The value read from disk_capacity was never initialized.
  1957.   			break;
  1958.   		case ZBX_VMWARE_DATASTORE_SIZE_PFREE:
  1959. > 			SET_DBL_RESULT(result, 0 != disk_capacity ?
  1960.   					(double) (disk_capacity - disk_used) / disk_capacity * 100 : 0);
  1961.   			break;

src/zabbix_server/poller/checks_simple_vmware.c:1956: error: UNINITIALIZED_VALUE
  The value read from disk_provisioned was never initialized.
  1954.   			break;
  1955.   		case ZBX_VMWARE_DATASTORE_SIZE_UNCOMMITTED:
  1956. > 			SET_UI64_RESULT(result, disk_provisioned - disk_used);
  1957.   			break;
  1958.   		case ZBX_VMWARE_DATASTORE_SIZE_PFREE:

src/zabbix_server/poller/checks_simple_vmware.c:1953: error: UNINITIALIZED_VALUE
  The value read from disk_used was never initialized.
  1951.   			break;
  1952.   		case ZBX_VMWARE_DATASTORE_SIZE_FREE:
  1953. > 			SET_UI64_RESULT(result, disk_capacity - disk_used);
  1954.   			break;
  1955.   		case ZBX_VMWARE_DATASTORE_SIZE_UNCOMMITTED:

src/zabbix_server/poller/checks_simple_vmware.c:1956: error: UNINITIALIZED_VALUE
  The value read from disk_used was never initialized.
  1954.   			break;
  1955.   		case ZBX_VMWARE_DATASTORE_SIZE_UNCOMMITTED:
  1956. > 			SET_UI64_RESULT(result, disk_provisioned - disk_used);
  1957.   			break;
  1958.   		case ZBX_VMWARE_DATASTORE_SIZE_PFREE:

src/zabbix_server/poller/checks_simple_vmware.c:1959: error: UNINITIALIZED_VALUE
  The value read from disk_used was never initialized.
  1957.   			break;
  1958.   		case ZBX_VMWARE_DATASTORE_SIZE_PFREE:
  1959. > 			SET_DBL_RESULT(result, 0 != disk_capacity ?
  1960.   					(double) (disk_capacity - disk_used) / disk_capacity * 100 : 0);
  1961.   			break;

src/zabbix_server/poller/checks_simple_vmware.c:1911: error: UNINITIALIZED_VALUE
  The value read from flags was never initialized.
  1909.   	}
  1910.   
  1911. > 	if (0 != (flags & ZBX_DATASTORE_COUNTER_PROVISIONED))
  1912.   	{
  1913.   		ret = vmware_service_get_counter_value_by_path(service, "Datastore", datastore->id,

src/zabbix_server/poller/checks_simple_vmware.c:1923: error: UNINITIALIZED_VALUE
  The value read from flags was never initialized.
  1921.   	}
  1922.   
  1923. > 	if (0 != (flags & ZBX_DATASTORE_COUNTER_USED))
  1924.   	{
  1925.   		ret = vmware_service_get_counter_value_by_path(service, "Datastore", datastore->id,

src/zabbix_server/poller/checks_simple_vmware.c:1935: error: UNINITIALIZED_VALUE
  The value read from flags was never initialized.
  1933.   	}
  1934.   
  1935. > 	if (0 != (flags & ZBX_DATASTORE_COUNTER_CAPACITY))
  1936.   	{
  1937.   		ret = vmware_service_get_counter_value_by_path(service, "Datastore", datastore->id,

src/zabbix_server/poller/checks_snmp.c:1941: error: UNINITIALIZED_VALUE
  The value read from to_verify[_] was never initialized.
  1939.   		for (i = 0; i < to_verify_num; i++)
  1940.   		{
  1941. > 			j = to_verify[i];
  1942.   
  1943.   			if (SUCCEED != errcodes[j])

src/zabbix_server/poller/checks_snmp.c:1979: error: UNINITIALIZED_VALUE
  The value read from to_walk[_] was never initialized.
  1977.   			int	errcode;
  1978.   
  1979. > 			j = to_walk[i];
  1980.   
  1981.   			/* see whether this OID tree was already walked for another item */

src/zabbix_server/poller/checks_snmp.c:2026: error: UNINITIALIZED_VALUE
  The value read from to_walk[_] was never initialized.
  2024.   		for (i = 0; i < to_walk_num; i++)
  2025.   		{
  2026. > 			j = to_walk[i];
  2027.   
  2028.   			if (SUCCEED != errcodes[j])

src/libs/zbxipcservice/ipcservice.c:1909: error: DEAD_STORE
  The value written to &ret (type int) is never used.
  1907.   		zbx_uint32_t size)
  1908.   {
  1909. > 	int	ret = FAIL;
  1910.   
  1911.   	zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);

src/libs/zbxdbhigh/template_item.c:1976: error: NULL_DEREFERENCE
  pointer `&lld_rules->values` last assigned on line 1943 could be null and is dereferenced by call to `zbx_vector_ptr_clear_ext()` at line 1976, column 2.
  1974.   	zbx_vector_uint64_destroy(&lld_itemids);
  1975.   out:
  1976. > 	zbx_vector_ptr_clear_ext(&lld_rules, (zbx_clean_func_t)free_lld_rule_map);
  1977.   	zbx_vector_ptr_destroy(&lld_rules);
  1978.   

src/libs/zbxcommon/misc.c:2030: error: UNINITIALIZED_VALUE
  The value read from interval was never initialized.
  2028.   				interval = 1;
  2029.   
  2030. > 			if (0 == interval && 0 == simple_interval)
  2031.   			{
  2032.   				*error = zbx_dsprintf(*error, "Invalid flexible interval \"%.*s\".", (int)(delim - str),

src/zabbix_server/escalator/escalator.c:2459: error: UNINITIALIZED_VALUE
  The value read from r_event was never initialized.
  2457.   			escalation_acknowledge(escalation, action, event, r_event, default_timezone);
  2458.   		}
  2459. > 		else if (NULL != r_event)
  2460.   		{
  2461.   			if (0 == escalation->esc_step)

src/libs/zbxjson/jsonpath.c:2372: error: UNINITIALIZED_VALUE
  The value read from ret was never initialized.
  2370.   	zbx_vector_json_destroy(&input);
  2371.   
  2372. > 	return ret;
  2373.   }
  2374.   

src/zabbix_server/lld/lld_trigger.c:2771: error: UNINITIALIZED_VALUE
  The value read from triggertagid was never initialized.
  2769.   			if (0 == tag->triggertagid)
  2770.   			{
  2771. > 				tag->triggertagid = triggertagid++;
  2772.   				zbx_db_insert_add_values(&db_insert_ttags, tag->triggertagid, trigger->triggerid,
  2773.   						tag->tag, tag->value);

src/libs/zbxjson/jsonpath.c:2476: error: UNINITIALIZED_VALUE
  The value read from next was never initialized.
  2474.   	jpquery.definite = 1;
  2475.   
  2476. > 	for (ptr++; '\0' != *ptr; ptr = next)
  2477.   	{
  2478.   		char	prefix;

src/libs/zbxcommon/str.c:2607: error: DEAD_STORE
  The value written to &i (type int) is never used.
  2605.   
  2606.   	(*arr)[i] = zbx_strdup((*arr)[i], entry);
  2607. > 	(*arr)[++i] = NULL;
  2608.   }
  2609.   

src/zabbix_server/lld/lld_item.c:2671: error: DEAD_STORE
  The value written to &params_num (type int) is never used.
  2669.   		const zbx_vector_ptr_t *lld_macro_paths, char **sub_params)
  2670.   {
  2671. > 	int	params_num = 1, flags1, flags2;
  2672.   
  2673.   	switch (type)

src/zabbix_server/lld/lld_item.c:2726: error: UNINITIALIZED_VALUE
  The value read from flags2 was never initialized.
  2724.   
  2725.   		substitute_lld_macros(&param1, &lld_row->jp_row, lld_macro_paths, flags1, NULL, 0);
  2726. > 		substitute_lld_macros(&param2, &lld_row->jp_row, lld_macro_paths, flags2, NULL, 0);
  2727.   
  2728.   		params_alloc = strlen(param1) + strlen(param2) + 2;

src/libs/zbxdbhigh/db.c:2856: error: NULL_DEREFERENCE
  pointer `&values->values` last assigned on line 2818 could be null and is dereferenced by call to `zbx_vector_ptr_clear_ext()` at line 2856, column 2.
  2854.   	zbx_db_insert_add_values_dyn(self, (const zbx_db_value_t **)values.values, values.values_num);
  2855.   
  2856. > 	zbx_vector_ptr_clear_ext(&values, zbx_ptr_free);
  2857.   	zbx_vector_ptr_destroy(&values);
  2858.   }

src/zabbix_agent/logfiles/logfiles.c:2940: error: UNINITIALIZED_VALUE
  The value read from old_last was never initialized.
  2938.   
  2939.   	/* find the first file to continue from in the new file list */
  2940. > 	if (0 < max_old_seq && -1 == (*start_idx = find_old2new(old2new, logfiles_num, old_last)))
  2941.   	{
  2942.   		/* Cannot find the successor of the last processed file from the previous check. */

src/libs/zbxserver/expression.c:3007: error: MEMORY_LEAK
  memory dynamically allocated by call to `zbx_strdup2()` at line 3006, column 17 is not reachable after line 3007, column 3.
  3005.   	{
  3006.   		*replace_to = zbx_strdup(*replace_to, event->trigger.opdata);
  3007. > 		substitute_simple_macros_impl(NULL, event, NULL, NULL, NULL, NULL, NULL, NULL, NULL, tz, replace_to,
  3008.   				MACRO_TYPE_TRIGGER_DESCRIPTION, error, maxerrlen);
  3009.   	}

src/libs/zbxcommon/str.c:3025: error: DEAD_STORE
  The value written to &ptr_buffer (type char*) is never used.
  3023.   
  3024.   	*ptr_buffer++ = '"';
  3025. > 	*ptr_buffer++ = '\0';
  3026.   
  3027.   	return buffer;

src/libs/zbxserver/expression.c:4874: error: UNINITIALIZED_VALUE
  The value read from c was never initialized.
  4872.   
  4873.   		if (ZBX_TOKEN_USER_MACRO == token.type || (ZBX_TOKEN_MACRO == token.type && 0 == indexed_macro))
  4874. > 			(*data)[token.loc.r + 1] = c;
  4875.   
  4876.   		if (NULL != replace_to)

src/libs/zbxcommon/str.c:3238: error: DEAD_STORE
  The value written to &sz_dst (type unsigned long) is never used.
  3236.   			(*param)[--sz_dst] = '\\';
  3237.   	}
  3238. > 	(*param)[--sz_dst] = '"';
  3239.   
  3240.   	return SUCCEED;

src/libs/zbxdbhigh/db.c:3229: error: NULL_DEREFERENCE
  pointer `t` last assigned on line 3225 could be null and is dereferenced at line 3229, column 88.
  3227.   	if (NULL == add_field)
  3228.   	{
  3229. > 		result = DBselect("select null from %s where %s=" ZBX_FS_UI64 ZBX_FOR_UPDATE, table, t->recid, id);
  3230.   	}
  3231.   	else

src/libs/zbxdbhigh/db.c:3234: error: NULL_DEREFERENCE
  pointer `t` last assigned on line 3225 could be null and is dereferenced at line 3234, column 12.
  3232.   	{
  3233.   		result = DBselect("select null from %s where %s=" ZBX_FS_UI64 " and %s=" ZBX_FS_UI64 ZBX_FOR_UPDATE,
  3234. > 				table, t->recid, id, add_field, add_id);
  3235.   	}
  3236.   

src/libs/zbxdbhigh/db.c:3280: error: NULL_DEREFERENCE
  pointer `t` last assigned on line 3277 could be null and is dereferenced at line 3280, column 55.
  3278.   
  3279.   	zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, "select null from %s where", table);
  3280. > 	DBadd_condition_alloc(&sql, &sql_alloc, &sql_offset, t->recid, ids->values, ids->values_num);
  3281.   
  3282.   	result = DBselect("%s" ZBX_FOR_UPDATE, sql);

src/zabbix_agent/logfiles/logfiles.c:3613: error: UNINITIALIZED_VALUE
  The value read from big_rec_orig was never initialized.
  3611.   				metric->lastlogsize = lastlogsize_orig;
  3612.   				metric->mtime =  mtime_orig;
  3613. > 				metric->big_rec = big_rec_orig;
  3614.   
  3615.   				/* the old log file list 'metric->logfiles' stays in its place, drop the new list */

src/zabbix_agent/logfiles/logfiles.c:3630: error: UNINITIALIZED_VALUE
  The value read from big_rec_orig was never initialized.
  3628.   			metric->lastlogsize = lastlogsize_orig;
  3629.   			metric->mtime =  mtime_orig;
  3630. > 			metric->big_rec = big_rec_orig;
  3631.   
  3632.   			/* the old log file list 'metric->logfiles' stays in its place, drop the new list */

src/zabbix_agent/logfiles/logfiles.c:3611: error: UNINITIALIZED_VALUE
  The value read from lastlogsize_orig was never initialized.
  3609.   				/* during the next check */
  3610.   
  3611. > 				metric->lastlogsize = lastlogsize_orig;
  3612.   				metric->mtime =  mtime_orig;
  3613.   				metric->big_rec = big_rec_orig;

src/zabbix_agent/logfiles/logfiles.c:3628: error: UNINITIALIZED_VALUE
  The value read from lastlogsize_orig was never initialized.
  3626.   			/* restore original state to try again during the next check */
  3627.   
  3628. > 			metric->lastlogsize = lastlogsize_orig;
  3629.   			metric->mtime =  mtime_orig;
  3630.   			metric->big_rec = big_rec_orig;

src/zabbix_agent/logfiles/logfiles.c:3612: error: UNINITIALIZED_VALUE
  The value read from mtime_orig was never initialized.
  3610.   
  3611.   				metric->lastlogsize = lastlogsize_orig;
  3612. > 				metric->mtime =  mtime_orig;
  3613.   				metric->big_rec = big_rec_orig;
  3614.   

src/zabbix_agent/logfiles/logfiles.c:3629: error: UNINITIALIZED_VALUE
  The value read from mtime_orig was never initialized.
  3627.   
  3628.   			metric->lastlogsize = lastlogsize_orig;
  3629. > 			metric->mtime =  mtime_orig;
  3630.   			metric->big_rec = big_rec_orig;
  3631.   

src/zabbix_agent/logfiles/logfiles.c:3586: error: UNINITIALIZED_VALUE
  The value read from s_count_orig was never initialized.
  3584.   			char	buf[ZBX_MAX_UINT64_LEN];
  3585.   
  3586. > 			match_count = s_count_orig - s_count;
  3587.   
  3588.   			zbx_snprintf(buf, sizeof(buf), "%d", match_count);

src/libs/zbxdbhigh/host.c:3935: error: UNINITIALIZED_VALUE
  The value read from tag_index was never initialized.
  3933.   			}
  3934.   
  3935. > 			if (tag_index < host_prototype->tags.values_num)
  3936.   			{
  3937.   				host_prototype->tags.values[tag_index]->tagid = tagid;

src/libs/zbxdbhigh/host.c:3944: error: UNINITIALIZED_VALUE
  The value read from tag_index was never initialized.
  3942.   				zbx_vector_uint64_append(del_tagids, tagid);
  3943.   
  3944. > 			tag_index++;
  3945.   		}
  3946.   		DBfree_result(result);

src/libs/zbxdbcache/dbconfig.c:3951: error: NULL_DEREFERENCE
  pointer `timer` last assigned on line 3950 could be null and is dereferenced at line 3951, column 2.
  3949.   
  3950.   	timer = (zbx_trigger_timer_t *)__config_mem_malloc_func(NULL, sizeof(zbx_trigger_timer_t));
  3951. > 	timer->type = function->type;
  3952.   	timer->objectid = function->functionid;
  3953.   	timer->triggerid = function->triggerid;

src/zabbix_server/lld/lld_item.c:4089: error: UNINITIALIZED_VALUE
  The value read from application_discoveryid was never initialized.
  4087.   			continue;
  4088.   
  4089. > 		application->application_discoveryid = application_discoveryid++;
  4090.   		zbx_db_insert_add_values(&db_insert_discovery, application->application_discoveryid,
  4091.   				application->applicationid, application->application_prototypeid,

src/zabbix_server/lld/lld_item.c:4054: error: UNINITIALIZED_VALUE
  The value read from applicationid was never initialized.
  4052.   		if (0 == application->applicationid)
  4053.   		{
  4054. > 			application->applicationid = applicationid++;
  4055.   			zbx_db_insert_add_values(&db_insert, application->applicationid, hostid, application->name,
  4056.   					ZBX_FLAG_DISCOVERY_CREATED);

src/zabbix_server/lld/lld_host.c:4086: error: UNINITIALIZED_VALUE
  The value read from ipmi_authtype was never initialized.
  4084.   			inventory_mode_proto = (char)atoi(row[5]);
  4085.   
  4086. > 		lld_hosts_get(parent_hostid, &hosts, proxy_hostid, ipmi_authtype, ipmi_privilege, ipmi_username,
  4087.   				ipmi_password, tls_connect, tls_accept, tls_issuer, tls_subject,
  4088.   				tls_psk_identity, tls_psk);

src/zabbix_server/lld/lld_host.c:4135: error: UNINITIALIZED_VALUE
  The value read from ipmi_authtype was never initialized.
  4133.   
  4134.   		lld_groups_save(&groups, &group_prototypes);
  4135. > 		lld_hosts_save(parent_hostid, &hosts, host_proto, proxy_hostid, ipmi_authtype, ipmi_privilege,
  4136.   				ipmi_username, ipmi_password, tls_connect, tls_accept,
  4137.   				tls_issuer, tls_subject, tls_psk_identity, tls_psk, &del_hostgroupids);

src/zabbix_server/lld/lld_host.c:4180: error: UNINITIALIZED_VALUE
  The value read from ipmi_password was never initialized.
  4178.   	zbx_free(tls_subject);
  4179.   	zbx_free(tls_issuer);
  4180. > 	zbx_free(ipmi_password);
  4181.   	zbx_free(ipmi_username);
  4182.   

src/zabbix_server/lld/lld_host.c:4086: error: UNINITIALIZED_VALUE
  The value read from ipmi_privilege was never initialized.
  4084.   			inventory_mode_proto = (char)atoi(row[5]);
  4085.   
  4086. > 		lld_hosts_get(parent_hostid, &hosts, proxy_hostid, ipmi_authtype, ipmi_privilege, ipmi_username,
  4087.   				ipmi_password, tls_connect, tls_accept, tls_issuer, tls_subject,
  4088.   				tls_psk_identity, tls_psk);

src/zabbix_server/lld/lld_host.c:4135: error: UNINITIALIZED_VALUE
  The value read from ipmi_privilege was never initialized.
  4133.   
  4134.   		lld_groups_save(&groups, &group_prototypes);
  4135. > 		lld_hosts_save(parent_hostid, &hosts, host_proto, proxy_hostid, ipmi_authtype, ipmi_privilege,
  4136.   				ipmi_username, ipmi_password, tls_connect, tls_accept,
  4137.   				tls_issuer, tls_subject, tls_psk_identity, tls_psk, &del_hostgroupids);

src/zabbix_server/lld/lld_host.c:4086: error: UNINITIALIZED_VALUE
  The value read from proxy_hostid was never initialized.
  4084.   			inventory_mode_proto = (char)atoi(row[5]);
  4085.   
  4086. > 		lld_hosts_get(parent_hostid, &hosts, proxy_hostid, ipmi_authtype, ipmi_privilege, ipmi_username,
  4087.   				ipmi_password, tls_connect, tls_accept, tls_issuer, tls_subject,
  4088.   				tls_psk_identity, tls_psk);

src/zabbix_server/lld/lld_host.c:4135: error: UNINITIALIZED_VALUE
  The value read from proxy_hostid was never initialized.
  4133.   
  4134.   		lld_groups_save(&groups, &group_prototypes);
  4135. > 		lld_hosts_save(parent_hostid, &hosts, host_proto, proxy_hostid, ipmi_authtype, ipmi_privilege,
  4136.   				ipmi_username, ipmi_password, tls_connect, tls_accept,
  4137.   				tls_issuer, tls_subject, tls_psk_identity, tls_psk, &del_hostgroupids);

src/zabbix_server/lld/lld_host.c:4086: error: UNINITIALIZED_VALUE
  The value read from tls_accept was never initialized.
  4084.   			inventory_mode_proto = (char)atoi(row[5]);
  4085.   
  4086. > 		lld_hosts_get(parent_hostid, &hosts, proxy_hostid, ipmi_authtype, ipmi_privilege, ipmi_username,
  4087.   				ipmi_password, tls_connect, tls_accept, tls_issuer, tls_subject,
  4088.   				tls_psk_identity, tls_psk);

src/zabbix_server/lld/lld_host.c:4135: error: UNINITIALIZED_VALUE
  The value read from tls_accept was never initialized.
  4133.   
  4134.   		lld_groups_save(&groups, &group_prototypes);
  4135. > 		lld_hosts_save(parent_hostid, &hosts, host_proto, proxy_hostid, ipmi_authtype, ipmi_privilege,
  4136.   				ipmi_username, ipmi_password, tls_connect, tls_accept,
  4137.   				tls_issuer, tls_subject, tls_psk_identity, tls_psk, &del_hostgroupids);

src/zabbix_server/lld/lld_host.c:4086: error: UNINITIALIZED_VALUE
  The value read from tls_connect was never initialized.
  4084.   			inventory_mode_proto = (char)atoi(row[5]);
  4085.   
  4086. > 		lld_hosts_get(parent_hostid, &hosts, proxy_hostid, ipmi_authtype, ipmi_privilege, ipmi_username,
  4087.   				ipmi_password, tls_connect, tls_accept, tls_issuer, tls_subject,
  4088.   				tls_psk_identity, tls_psk);

src/zabbix_server/lld/lld_host.c:4135: error: UNINITIALIZED_VALUE
  The value read from tls_connect was never initialized.
  4133.   
  4134.   		lld_groups_save(&groups, &group_prototypes);
  4135. > 		lld_hosts_save(parent_hostid, &hosts, host_proto, proxy_hostid, ipmi_authtype, ipmi_privilege,
  4136.   				ipmi_username, ipmi_password, tls_connect, tls_accept,
  4137.   				tls_issuer, tls_subject, tls_psk_identity, tls_psk, &del_hostgroupids);

src/zabbix_server/lld/lld_host.c:4179: error: UNINITIALIZED_VALUE
  The value read from tls_issuer was never initialized.
  4177.   	zbx_free(tls_psk_identity);
  4178.   	zbx_free(tls_subject);
  4179. > 	zbx_free(tls_issuer);
  4180.   	zbx_free(ipmi_password);
  4181.   	zbx_free(ipmi_username);

src/zabbix_server/lld/lld_host.c:4176: error: UNINITIALIZED_VALUE
  The value read from tls_psk was never initialized.
  4174.   	zbx_vector_ptr_destroy(&hosts);
  4175.   
  4176. > 	zbx_free(tls_psk);
  4177.   	zbx_free(tls_psk_identity);
  4178.   	zbx_free(tls_subject);

src/zabbix_server/lld/lld_host.c:4177: error: UNINITIALIZED_VALUE
  The value read from tls_psk_identity was never initialized.
  4175.   
  4176.   	zbx_free(tls_psk);
  4177. > 	zbx_free(tls_psk_identity);
  4178.   	zbx_free(tls_subject);
  4179.   	zbx_free(tls_issuer);

src/zabbix_server/lld/lld_host.c:4178: error: UNINITIALIZED_VALUE
  The value read from tls_subject was never initialized.
  4176.   	zbx_free(tls_psk);
  4177.   	zbx_free(tls_psk_identity);
  4178. > 	zbx_free(tls_subject);
  4179.   	zbx_free(tls_issuer);
  4180.   	zbx_free(ipmi_password);

src/zabbix_server/lld/lld_item.c:4252: error: UNINITIALIZED_VALUE
  The value read from itemappid was never initialized.
  4250.   			itemid = item_application->item_ref.item->itemid;
  4251.   
  4252. > 		item_application->itemappid = itemappid++;
  4253.   		zbx_db_insert_add_values(&db_insert, item_application->itemappid, applicationid, itemid);
  4254.   	}

src/libs/zbxdbcache/dbcache.c:4398: error: NULL_DEREFERENCE
  pointer `cache` last assigned on line 4397 could be null and is dereferenced by call to `memset()` at line 4398, column 2.
  4396.   
  4397.   	cache = (ZBX_DC_CACHE *)__hc_index_mem_malloc_func(NULL, sizeof(ZBX_DC_CACHE));
  4398. > 	memset(cache, 0, sizeof(ZBX_DC_CACHE));
  4399.   
  4400.   	ids = (ZBX_DC_IDS *)__hc_index_mem_malloc_func(NULL, sizeof(ZBX_DC_IDS));

src/libs/zbxcommon/str.c:4735: error: DEAD_STORE
  The value written to &pout (type char*) is never used.
  4733.   				*pout++ = *pin;
  4734.   		}
  4735. > 		*pout++  ='\0';
  4736.   	}
  4737.   	else

src/zabbix_server/vmware/vmware.c:4854: error: NULL_DEREFERENCE
  pointer `counter` last assigned on line 4853 could be null and is dereferenced at line 4854, column 2.
  4852.   
  4853.   	counter = (zbx_vmware_perf_counter_t *)__vm_mem_malloc_func(NULL, sizeof(zbx_vmware_perf_counter_t));
  4854. > 	counter->counterid = counterid;
  4855.   	counter->state = ZBX_VMWARE_COUNTER_NEW;
  4856.   

src/libs/zbxdbhigh/host.c:5526: error: UNINITIALIZED_VALUE
  The value read from httpstep was never initialized.
  5524.   			}
  5525.   
  5526. > 			if (NULL == httpstep || httpstep->httpstepid != httpstepid)
  5527.   			{
  5528.   				if (FAIL == (i = zbx_vector_ptr_bsearch(&httptest->httpsteps, &httpstepid,

src/zabbix_server/vmware/vmware.c:6132: error: NULL_DEREFERENCE
  pointer `vmware` last assigned on line 6131 could be null and is dereferenced by call to `memset()` at line 6132, column 2.
  6130.   
  6131.   	vmware = (zbx_vmware_t *)__vm_mem_malloc_func(NULL, sizeof(zbx_vmware_t));
  6132. > 	memset(vmware, 0, sizeof(zbx_vmware_t));
  6133.   
  6134.   	VMWARE_VECTOR_CREATE(&vmware->services, ptr);

src/libs/zbxserver/expression.c:6312: error: UNINITIALIZED_VALUE
  The value read from key_type was never initialized.
  6310.   	}
  6311.   
  6312. > 	ret = replace_key_params_dyn(data, key_type, replace_key_param_cb, &replace_key_param_data, error, maxerrlen);
  6313.   
  6314.   	zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s data:'%s'", __func__, zbx_result_string(ret), *data);

src/libs/zbxdbcache/dbconfig.c:6574: error: NULL_DEREFERENCE
  pointer `s1` last assigned on line 6571 could be null and is dereferenced at line 6574, column 2.
  6572.   	s2 = (ZBX_DC_SNMPITEM *)zbx_hashset_search(&config->snmpitems, &i2->itemid);
  6573.   
  6574. > 	ZBX_RETURN_IF_NOT_EQUAL(s1->snmp_oid_type, s2->snmp_oid_type);
  6575.   
  6576.   	return 0;

src/libs/zbxdbcache/dbconfig.c:6631: error: NULL_DEREFERENCE
  pointer `j1` last assigned on line 6628 could be null and is dereferenced at line 6631, column 2.
  6629.   	j2 = (ZBX_DC_JMXITEM *)zbx_hashset_search(&config->jmxitems, &i2->itemid);
  6630.   
  6631. > 	ZBX_RETURN_IF_NOT_EQUAL(j1->username, j2->username);
  6632.   	ZBX_RETURN_IF_NOT_EQUAL(j1->password, j2->password);
  6633.   	ZBX_RETURN_IF_NOT_EQUAL(j1->jmx_endpoint, j2->jmx_endpoint);

src/libs/zbxdbcache/dbconfig.c:7175: error: UNINITIALIZED_VALUE
  The value read from attr.psk_identity_len was never initialized.
  7173.   		if (NULL != dc_host->tls_dc_psk)
  7174.   		{
  7175. > 			if (strlen(dc_host->tls_dc_psk->tls_psk_identity) != attr.psk_identity_len ||
  7176.   					0 != memcmp(dc_host->tls_dc_psk->tls_psk_identity, attr.psk_identity,
  7177.   					attr.psk_identity_len))

src/libs/zbxdbcache/dbconfig.c:7176: error: UNINITIALIZED_VALUE
  The value read from attr.psk_identity_len was never initialized.
  7174.   		{
  7175.   			if (strlen(dc_host->tls_dc_psk->tls_psk_identity) != attr.psk_identity_len ||
  7176. > 					0 != memcmp(dc_host->tls_dc_psk->tls_psk_identity, attr.psk_identity,
  7177.   					attr.psk_identity_len))
  7178.   			{

src/libs/zbxembed/duktape.c:11759: error: DEAD_STORE
  The value written to &msg (type char const *) is never used.
  11757.   	DUK_UNREF(msg);
  11758.   
  11759. > 	msg = msg ? msg : "NULL";
  11760.   
  11761.   #if defined(DUK_USE_FATAL_HANDLER)

src/libs/zbxdbcache/dbconfig.c:12265: error: DEAD_STORE
  The value written to &last_type (type int) is never used.
  12263.   	const char			*op = NULL;
  12264.   	size_t				formula_alloc = 0, formula_offset = 0;
  12265. > 	int				i, last_type = -1, last_op = ZBX_OPERATION_TYPE_UNKNOWN;
  12266.   	const zbx_dc_corr_condition_t	*dc_condition;
  12267.   	zbx_uint64_t			last_id;

src/libs/zbxembed/duktape.c:12820: error: NULL_DEREFERENCE
  pointer `h_input` last assigned on line 12816 could be null and is dereferenced at line 12820, column 2.
  12818.   
  12819.   	bw = &bw_alloc;
  12820. > 	DUK_BW_INIT_PUSHBUF(thr, bw, DUK_HSTRING_GET_BYTELEN(h_input));
  12821.   
  12822.   	/* [ ... input buffer ] */

src/libs/zbxembed/duktape.c:16708: error: NULL_DEREFERENCE
  pointer `h_key` last assigned on line 16706 could be null and is dereferenced by call to `duk_hobject_find_entry_tval_ptr()` at line 16708, column 11.
  16706.   	h_key = duk_require_hstring(thr, -1);
  16707.   
  16708. > 	tv_val = duk_hobject_find_entry_tval_ptr(thr->heap, h_obj, h_key);
  16709.   	if (tv_val == NULL) {
  16710.   		return 0;

src/libs/zbxembed/duktape.c:17490: error: NULL_DEREFERENCE
  pointer `obj` last assigned on line 17486 could be null and is dereferenced at line 17490, column 10.
  17488.   
  17489.   	/* XXX: shared helper for duk_push_hobject_or_undefined()? */
  17490. > 	proto = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, obj);
  17491.   	if (proto) {
  17492.   		duk_push_hobject(thr, proto);

src/libs/zbxembed/duktape.c:17518: error: NULL_DEREFERENCE
  pointer `obj` last assigned on line 17504 could be null and is dereferenced by call to `duk_hobject_set_prototype_updref()` at line 17518, column 2.
  17516.   #endif
  17517.   
  17518. > 	DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, obj, proto);
  17519.   
  17520.   	duk_pop(thr);

src/libs/zbxembed/duktape.c:17538: error: NULL_DEREFERENCE
  pointer `obj` last assigned on line 17528 could be null and is dereferenced by call to `duk_hobject_set_prototype_updref()` at line 17538, column 2.
  17536.   #endif
  17537.   
  17538. > 	DUK_HOBJECT_SET_PROTOTYPE_UPDREF(thr, obj, NULL);
  17539.   }
  17540.   

src/libs/zbxembed/duktape.c:17550: error: NULL_DEREFERENCE
  pointer `obj` last assigned on line 17547 could be null and is dereferenced at line 17550, column 10.
  17548.   	DUK_ASSERT(obj != NULL);
  17549.   
  17550. > 	proto = DUK_HOBJECT_GET_PROTOTYPE(thr->heap, obj);
  17551.   	return (proto == NULL);
  17552.   }

src/libs/zbxembed/duktape.c:19330: error: NULL_DEREFERENCE
  pointer `h` last assigned on line 19327 could be null and is dereferenced at line 19330, column 14.
  19328.   	DUK_ASSERT(h != NULL);
  19329.   	if (out_len) {
  19330. > 		*out_len = DUK_HSTRING_GET_BYTELEN(h);
  19331.   	}
  19332.   	return (const char *) DUK_HSTRING_GET_DATA(h);

src/libs/zbxembed/duktape.c:22461: error: DEAD_STORE
  The value written to &sz (type unsigned long) is never used.
  22459.   DUK_EXTERNAL const char *duk_push_vsprintf(duk_hthread *thr, const char *fmt, va_list ap) {
  22460.   	duk_uint8_t stack_buf[DUK_PUSH_SPRINTF_INITIAL_SIZE];
  22461. > 	duk_size_t sz = DUK_PUSH_SPRINTF_INITIAL_SIZE;
  22462.   	duk_bool_t pushed_buf = 0;
  22463.   	void *buf;

src/libs/zbxembed/duktape.c:22518: error: UNINITIALIZED_VALUE
  The value read from len was never initialized.
  22516.   	 * usually larger than 'len'; 'buf' is also usually a stack buffer.
  22517.   	 */
  22518. > 	res = duk_push_lstring(thr, (const char *) buf, (duk_size_t) len);  /* [ buf? res ] */
  22519.   	if (pushed_buf) {
  22520.   		duk_remove_m2(thr);

src/libs/zbxembed/duktape.c:24766: error: NULL_DEREFERENCE
  pointer `h_input` last assigned on line 24762 could be null and is dereferenced at line 24766, column 20.
  24764.   
  24765.   	p_start = (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h_input);
  24766. > 	p_end = p_start + DUK_HSTRING_GET_BYTELEN(h_input);
  24767.   	p = p_start;
  24768.   

src/libs/zbxembed/duktape.c:24793: error: NULL_DEREFERENCE
  pointer `h_input` last assigned on line 24789 could be null and is dereferenced at line 24793, column 2.
  24791.   
  24792.   	bw = &bw_alloc;
  24793. > 	DUK_BW_INIT_PUSHBUF(thr, bw, DUK_HSTRING_GET_BYTELEN(h_input));  /* Reasonable output estimate. */
  24794.   
  24795.   	p_start = (const duk_uint8_t *) DUK_HSTRING_GET_DATA(h_input);

src/libs/zbxembed/duktape.c:24831: error: NULL_DEREFERENCE
  pointer `h` last assigned on line 24828 could be null and is dereferenced by call to `duk_hstring_get_charlen()` at line 24831, column 12.
  24829.   	DUK_ASSERT(h != NULL);
  24830.   
  24831. > 	charlen = DUK_HSTRING_GET_CHARLEN(h);
  24832.   	if (end_offset >= charlen) {
  24833.   		end_offset = charlen;

src/libs/zbxembed/duktape.c:24879: error: NULL_DEREFERENCE
  pointer `h` last assigned on line 24875 could be null and is dereferenced at line 24879, column 20.
  24877.   
  24878.   	p_start = DUK_HSTRING_GET_DATA(h);
  24879. > 	p_end = p_start + DUK_HSTRING_GET_BYTELEN(h);
  24880.   
  24881.   	p = p_start;

src/libs/zbxembed/duktape.c:24955: error: NULL_DEREFERENCE
  pointer `h` last assigned on line 24951 could be null and is dereferenced by call to `duk_hstring_get_charlen()` at line 24955, column 21.
  24953.   
  24954.   	DUK_ASSERT_DISABLE(char_offset >= 0);  /* Always true, arg is unsigned. */
  24955. > 	if (char_offset >= DUK_HSTRING_GET_CHARLEN(h)) {
  24956.   		return 0;
  24957.   	}

src/libs/zbxembed/duktape.c:26034: error: UNINITIALIZED_VALUE
  The value read from have_delcount was never initialized.
  26032.   	duk_int_t i, n;
  26033.   
  26034. > 	DUK_UNREF(have_delcount);
  26035.   
  26036.   	nargs = duk_get_top(thr);

src/libs/zbxembed/duktape.c:28759: error: NULL_DEREFERENCE
  pointer `h_this` last assigned on line 28747 could be null and is dereferenced at line 28759, column 49.
  28757.   
  28758.   	duk__clamp_startend_negidx_shifted(thr,
  28759. > 	                                   (duk_int_t) h_this->length,
  28760.   	                                   (duk_uint8_t) h_this->shift,
  28761.   	                                   0 /*idx_start*/,

src/libs/zbxembed/duktape.c:28946: error: NULL_DEREFERENCE
  pointer `h_arg` last assigned on line 28945 could be null and is dereferenced at line 28946, column 6.
  28944.   	/* Node.js accepts only actual Arrays. */
  28945.   	h_arg = duk_require_hobject(thr, 0);
  28946. > 	if (DUK_HOBJECT_GET_CLASS_NUMBER(h_arg) != DUK_HOBJECT_CLASS_ARRAY) {
  28947.   		DUK_DCERROR_TYPE_INVALID_ARGS(thr);
  28948.   	}

src/libs/zbxembed/duktape.c:29621: error: NULL_DEREFERENCE
  pointer `h_bufobj` last assigned on line 29619 could be null and is dereferenced at line 29621, column 6.
  29619.   	h_bufobj = (duk_hbufobj *) duk__getrequire_bufobj_this(thr, DUK__BUFOBJ_FLAG_THROW /*flags*/);
  29620.   	DUK_ASSERT(h_bufobj != NULL);
  29621. > 	if (DUK_HEAPHDR_IS_BUFFER((duk_heaphdr *) h_bufobj)) {
  29622.   		DUK_DD(DUK_DDPRINT("autospawn ArrayBuffer for plain buffer"));
  29623.   		(void) duk__autospawn_arraybuffer(thr, (duk_hbuffer *) h_bufobj);

src/libs/zbxembed/duktape.c:29669: error: NULL_DEREFERENCE
  pointer `h_bufobj` last assigned on line 29667 could be null and is dereferenced at line 29669, column 6.
  29667.   	h_bufobj = (duk_hbufobj *) duk__getrequire_bufobj_this(thr, DUK__BUFOBJ_FLAG_THROW /*flags*/);
  29668.   	DUK_ASSERT(h_bufobj != NULL);
  29669. > 	if (DUK_HEAPHDR_IS_BUFFER((duk_heaphdr *) h_bufobj)) {
  29670.   		duk_push_uint(thr, 0);
  29671.   	} else {

src/libs/zbxembed/duktape.c:29685: error: NULL_DEREFERENCE
  pointer `h_bufobj` last assigned on line 29683 could be null and is dereferenced at line 29685, column 6.
  29683.   	h_bufobj = (duk_hbufobj *) duk__getrequire_bufobj_this(thr, DUK__BUFOBJ_FLAG_THROW /*flags*/);
  29684.   	DUK_ASSERT(h_bufobj != NULL);
  29685. > 	if (DUK_HEAPHDR_IS_BUFFER((duk_heaphdr *) h_bufobj)) {
  29686.   		duk_hbuffer *h_buf;
  29687.   

src/libs/zbxembed/duktape.c:30772: error: UNINITIALIZED_VALUE
  The value read from rc was never initialized.
  30770.   	duk_uint8_t buf[DUK_BI_DATE_ISO8601_BUFSIZE];
  30771.   
  30772. > 	DUK_UNREF(rc);  /* unreferenced with some options */
  30773.   
  30774.   	d = duk__push_this_get_timeval_tzoffset(thr, flags, &tzoffset);

src/libs/zbxembed/duktape.c:34043: error: DEAD_STORE
  The value written to &this_to_global (type unsigned int) is never used.
  34041.   	duk_hobject *outer_lex_env;
  34042.   	duk_hobject *outer_var_env;
  34043. > 	duk_bool_t this_to_global = 1;
  34044.   	duk_small_uint_t comp_flags;
  34045.   	duk_int_t level = -2;

src/libs/zbxembed/duktape.c:38713: error: MEMORY_LEAK
  `return` is not reachable after line 38713, column 2.
  38711.   	 */
  38712.   	duk_push_boolean(thr, duk_hobject_prototype_chain_contains(thr, DUK_HOBJECT_GET_PROTOTYPE(thr->heap, h_v), h_obj, 0 /*ignore_loop*/));
  38713. > 	return 1;
  38714.   }
  38715.   #endif  /* DUK_USE_OBJECT_BUILTIN */

src/libs/zbxembed/duktape.c:39712: error: DEAD_STORE
  The value written to &p (type unsigned char*) is never used.
  39710.   	/* .unicode: to be added */
  39711.   	/* .sticky: to be added */
  39712. > 	*p++ = DUK_ASC_NUL;
  39713.   	DUK_ASSERT((duk_size_t) (p - buf) <= sizeof(buf));
  39714.   

src/libs/zbxembed/duktape.c:41515: error: NULL_DEREFERENCE
  pointer `h` last assigned on line 41504 could be null and is dereferenced at line 41515, column 63.
  41513.   	if (p[0] == 0x80) {
  41514.   		/* Global symbol, return its key (bytes just after the initial byte). */
  41515. > 		duk_push_lstring(thr, (const char *) (p + 1), (duk_size_t) (DUK_HSTRING_GET_BYTELEN(h) - 1));
  41516.   		return 1;
  41517.   	} else if (p[0] == 0x81 || p[0] == 0x82 || p[0] == 0xff) {

src/libs/zbxembed/duktape.c:46495: error: MEMORY_LEAK
  `obj` is not reachable after line 46495, column 6.
  46493.   		return;
  46494.   	}
  46495. > 	if (DUK_HOBJECT_HAS_EXTENSIBLE(obj)) {
  46496.   		DUK_DDD(DUK_DDDPRINT("error meets criteria, built-in augment"));
  46497.   		duk__err_augment_builtin_create(thr, thr_callstack, c_filename, c_line, obj, flags);

src/libs/zbxembed/duktape.c:57216: error: DEAD_STORE
  The value written to &arr_idx (type unsigned int) is never used.
  57214.   	duk_hobject *curr = NULL;
  57215.   	duk_hstring *key = NULL;
  57216. > 	duk_uint32_t arr_idx = DUK__NO_ARRAY_INDEX;
  57217.   	duk_propdesc desc;
  57218.   	duk_uint_t sanity;

src/libs/zbxembed/duktape.c:57768: error: UNINITIALIZED_VALUE
  The value read from arr_idx was never initialized.
  57766.   	DUK_ASSERT(key != NULL);
  57767.   	DUK_ASSERT(obj != NULL);
  57768. > 	DUK_UNREF(arr_idx);
  57769.   
  57770.   #if defined(DUK_USE_ES6_PROXY)

src/libs/zbxembed/duktape.c:57792: error: UNINITIALIZED_VALUE
  The value read from arr_idx was never initialized.
  57790.   				 */
  57791.   
  57792. > 				if (duk__get_own_propdesc_raw(thr, h_target, key, arr_idx, &desc, 0 /*flags*/)) {  /* don't push value */
  57793.   					DUK_DDD(DUK_DDDPRINT("proxy 'has': target has matching property %!O, check for "
  57794.   					                     "conflicting property; desc.flags=0x%08lx, "

src/libs/zbxembed/duktape.c:59231: error: DEAD_STORE
  The value written to &arr_idx (type unsigned int) is never used.
  59229.   #endif
  59230.   	duk_int_t entry_top;
  59231. > 	duk_uint32_t arr_idx = DUK__NO_ARRAY_INDEX;
  59232.   	duk_bool_t rc;
  59233.   

src/libs/zbxembed/duktape.c:59313: error: DEAD_STORE
  The value written to &arr_idx (type unsigned int) is never used.
  59311.   #endif  /* DUK_USE_ES6_PROXY */
  59312.   
  59313. > 		arr_idx = duk__to_property_key(thr, -1, &key);
  59314.   		DUK_ASSERT(key != NULL);
  59315.   

src/libs/zbxembed/duktape.c:59364: error: DEAD_STORE
  The value written to &arr_idx (type unsigned int) is never used.
  59362.   		 */
  59363.   
  59364. > 		arr_idx = duk__to_property_key(thr, -1, &key);
  59365.   		DUK_ASSERT(key != NULL);
  59366.   		DUK_UNREF(key);

src/libs/zbxembed/duktape.c:61424: error: DEAD_STORE
  The value written to &len (type int) is never used.
  61422.   	for (i = 0; i < DUK_NUM_ALL_BUILTINS; i++) {
  61423.   		duk_small_uint_t class_num;
  61424. > 		duk_small_int_t len = -1;  /* must be signed */
  61425.   
  61426.   		class_num = (duk_small_uint_t) duk_bd_decode_varuint(bd);

src/libs/zbxembed/duktape.c:62653: error: UNINITIALIZED_VALUE
  The value read from cx was never initialized.
  62651.   	duk_small_int_t cx, cy, sx;
  62652.   
  62653. > 	DUK_UNREF(cx);
  62654.   	DUK_UNREF(sx);
  62655.   	cy = (duk_small_int_t) DUK_FPCLASSIFY(y);

src/libs/zbxembed/duktape.c:62654: error: UNINITIALIZED_VALUE
  The value read from sx was never initialized.
  62652.   
  62653.   	DUK_UNREF(cx);
  62654. > 	DUK_UNREF(sx);
  62655.   	cy = (duk_small_int_t) DUK_FPCLASSIFY(y);
  62656.   

src/libs/zbxembed/duktape.c:63509: error: DEAD_STORE
  The value written to &top (type int) is never used.
  63507.   		*call_flags |= DUK_CALL_FLAG_CONSTRUCT;
  63508.   		duk_remove_n_unsafe(thr, idx_func, 2);
  63509. > 		top = duk_get_top(thr);
  63510.   		if (!duk_is_constructable(thr, idx_func)) {
  63511.   			/* Target constructability must be checked before

src/libs/zbxembed/duktape.c:64057: error: UNINITIALIZED_VALUE
  The value read from func was never initialized.
  64055.   #endif
  64056.   
  64057. > 	return func;
  64058.   
  64059.    not_callable:

src/libs/zbxembed/duktape.c:69415: error: UNINITIALIZED_VALUE
  The value read from args was never initialized.
  69413.   			reg_res = DUK__ALLOCTEMP(comp_ctx);
  69414.   		}
  69415. > 		duk__emit_a_bc(comp_ctx,
  69416.   		             args,
  69417.   		             reg_res,

src/libs/zbxembed/duktape.c:70016: error: UNINITIALIZED_VALUE
  The value read from args was never initialized.
  70014.   
  70015.   		res->t = DUK_IVAL_ARITH;
  70016. > 		res->op = (args >> 8) & 0xff;
  70017.   
  70018.   		res->x2.t = res->x1.t;

src/libs/zbxembed/duktape.c:71525: error: UNINITIALIZED_VALUE
  The value read from label_catch_depth was never initialized.
  71523.   	 */
  71524.   
  71525. > 	if (label_catch_depth == comp_ctx->curr_func.catch_depth &&
  71526.   	    label_is_closest) {
  71527.   		DUK_DDD(DUK_DDDPRINT("break/continue: is_break=%ld, label_id=%ld, label_is_closest=%ld, "

src/libs/zbxembed/duktape.c:71541: error: UNINITIALIZED_VALUE
  The value read from label_id was never initialized.
  71539.   		                     (long) label_catch_depth, (long) comp_ctx->curr_func.catch_depth));
  71540.   
  71541. > 		duk__emit_bc(comp_ctx,
  71542.   		             is_break ? DUK_OP_BREAK : DUK_OP_CONTINUE,
  71543.   		             (duk_regconst_t) label_id);

src/libs/zbxembed/duktape.c:71526: error: UNINITIALIZED_VALUE
  The value read from label_is_closest was never initialized.
  71524.   
  71525.   	if (label_catch_depth == comp_ctx->curr_func.catch_depth &&
  71526. > 	    label_is_closest) {
  71527.   		DUK_DDD(DUK_DDDPRINT("break/continue: is_break=%ld, label_id=%ld, label_is_closest=%ld, "
  71528.   		                     "label_catch_depth=%ld, catch_depth=%ld "

src/libs/zbxembed/duktape.c:71573: error: UNINITIALIZED_VALUE
  The value read from pc_after_expr was never initialized.
  71571.   
  71572.   		DUK_UNREF(pc_before_expr);
  71573. > 		DUK_UNREF(pc_after_expr);
  71574.   
  71575.   		pc_before_expr = duk__get_current_pc(comp_ctx);

src/libs/zbxembed/duktape.c:71572: error: UNINITIALIZED_VALUE
  The value read from pc_before_expr was never initialized.
  71570.   		DUK_DDD(DUK_DDDPRINT("return with a value"));
  71571.   
  71572. > 		DUK_UNREF(pc_before_expr);
  71573.   		DUK_UNREF(pc_after_expr);
  71574.   

src/libs/zbxembed/duktape.c:71674: error: DEAD_STORE
  The value written to &pc_ldconst (type int) is never used.
  71672.   	duk_regconst_t rc_varname = 0;
  71673.   	duk_small_uint_t trycatch_flags = 0;
  71674. > 	duk_int_t pc_ldconst = -1;
  71675.   	duk_int_t pc_trycatch = -1;
  71676.   	duk_int_t pc_catch = -1;

src/libs/zbxembed/duktape.c:71675: error: DEAD_STORE
  The value written to &pc_trycatch (type int) is never used.
  71673.   	duk_small_uint_t trycatch_flags = 0;
  71674.   	duk_int_t pc_ldconst = -1;
  71675. > 	duk_int_t pc_trycatch = -1;
  71676.   	duk_int_t pc_catch = -1;
  71677.   	duk_int_t pc_finally = -1;

src/libs/zbxembed/duktape.c:73451: error: UNINITIALIZED_VALUE
  The value read from old_func.fnum_next was never initialized.
  73449.   	/* XXX: append primitive */
  73450.   	DUK_ASSERT(duk_get_length(thr, old_func.funcs_idx) == (duk_size_t) (old_func.fnum_next * 3));
  73451. > 	fnum = old_func.fnum_next++;
  73452.   
  73453.   	if (fnum > DUK__MAX_FUNCS) {

src/libs/zbxembed/duktape.c:73459: error: UNINITIALIZED_VALUE
  The value read from old_func.funcs_idx was never initialized.
  73457.   
  73458.   	/* array writes autoincrement length */
  73459. > 	(void) duk_put_prop_index(thr, old_func.funcs_idx, (duk_uarridx_t) (fnum * 3));
  73460.   	duk_push_size_t(thr, comp_ctx->prev_token.start_offset);
  73461.   	(void) duk_put_prop_index(thr, old_func.funcs_idx, (duk_uarridx_t) (fnum * 3 + 1));

src/libs/zbxembed/duktape.c:73461: error: UNINITIALIZED_VALUE
  The value read from old_func.funcs_idx was never initialized.
  73459.   	(void) duk_put_prop_index(thr, old_func.funcs_idx, (duk_uarridx_t) (fnum * 3));
  73460.   	duk_push_size_t(thr, comp_ctx->prev_token.start_offset);
  73461. > 	(void) duk_put_prop_index(thr, old_func.funcs_idx, (duk_uarridx_t) (fnum * 3 + 1));
  73462.   	duk_push_int(thr, comp_ctx->prev_token.start_line);
  73463.   	(void) duk_put_prop_index(thr, old_func.funcs_idx, (duk_uarridx_t) (fnum * 3 + 2));

src/libs/zbxembed/duktape.c:73463: error: UNINITIALIZED_VALUE
  The value read from old_func.funcs_idx was never initialized.
  73461.   	(void) duk_put_prop_index(thr, old_func.funcs_idx, (duk_uarridx_t) (fnum * 3 + 1));
  73462.   	duk_push_int(thr, comp_ctx->prev_token.start_line);
  73463. > 	(void) duk_put_prop_index(thr, old_func.funcs_idx, (duk_uarridx_t) (fnum * 3 + 2));
  73464.   
  73465.   	/*

src/libs/zbxembed/duktape.c:73418: error: UNINITIALIZED_VALUE
  The value read from old_func.is_strict was never initialized.
  73416.   
  73417.   	/* inherit initial strictness from parent */
  73418. > 	comp_ctx->curr_func.is_strict = old_func.is_strict;
  73419.   
  73420.   	/* XXX: It might be better to just store the flags into the curr_func

src/libs/zbxembed/duktape.c:75335: error: DEAD_STORE
  The value written to &tv1 (type duk_tval_struct*) is never used.
  75333.   	DUK_ASSERT(entry_act != NULL);
  75334.   	DUK_ASSERT(thr->valstack_top - 1 >= thr->valstack_bottom);
  75335. > 	tv1 = thr->valstack_top - 1;
  75336.   	DUK_TVAL_CHKFAST_INPLACE_FAST(tv1);  /* fastint downgrade check for return values */
  75337.   

src/libs/zbxembed/duktape.c:80112: error: DEAD_STORE
  The value written to &func (type duk_hobject*) is never used.
  80110.   		duk_push_tval(thr, &((duk_hboundfunc *) (void *) func)->target);
  80111.   		duk_replace(thr, -2);
  80112. > 		func = duk_require_hobject(thr, -1);  /* lightfunc throws */
  80113.   
  80114.   		/* Rely on Function.prototype.bind() never creating bound

src/libs/zbxembed/duktape.c:80098: error: NULL_DEREFERENCE
  pointer `func` last assigned on line 80069 could be null and is dereferenced at line 80098, column 7.
  80096.   	 */
  80097.   
  80098. > 	if (!DUK_HOBJECT_IS_CALLABLE(func)) {
  80099.   		/*
  80100.   		 *  Note: of native ECMAScript objects, only Function instances

src/libs/zbxembed/duktape.c:80633: error: UNINITIALIZED_VALUE
  The value read from len_value was never initialized.
  80631.   	DUK_ASSERT(outer_var_env != NULL);
  80632.   	DUK_ASSERT(outer_lex_env != NULL);
  80633. > 	DUK_UNREF(len_value);
  80634.   
  80635.   	DUK_STATS_INC(thr->heap, stats_envrec_pushclosure);

Summary of the reports

  UNINITIALIZED_VALUE: 255
     NULL_DEREFERENCE: 66
           DEAD_STORE: 65
          MEMORY_LEAK: 10
       USE_AFTER_FREE: 6