../../../../src/libs/zbxalgo/prediction.c: In function 'zbx_timeleft':
../../../../src/libs/zbxalgo/prediction.c:833:11: warning: 'result' may be used uninitialized in this function [-Wmaybe-uninitialized]
 *result -= now;
 ^~
../../../../src/libs/zbxalgo/prediction.c:1148:19: note: 'result' was declared here
 double current, result;
 ^~~~~~
../../../../src/libs/zbxdbupgrade/dbupgrade_3010.c: In function 'DBpatch_3010026_expression_remove_values_impl.isra.5':
../../../../src/libs/zbxdbupgrade/dbupgrade_3010.c:978:54: warning: 'value_token.r' may be used uninitialized in this function [-Wmaybe-uninitialized]
 DBpatch_3010026_expression_move_location(&token, -(cut_loc.r - cut_loc.l + 1));
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../src/libs/zbxdbupgrade/dbupgrade_3010.c:991:54: warning: 'value_token.l' may be used uninitialized in this function [-Wmaybe-uninitialized]
 DBpatch_3010026_expression_move_location(&token, -(cut_loc.r - cut_loc.l + 1));
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../src/libs/zbxdbupgrade/dbupgrade_3010.c:978:54: warning: 'op_token.l' may be used uninitialized in this function [-Wmaybe-uninitialized]
 DBpatch_3010026_expression_move_location(&token, -(cut_loc.r - cut_loc.l + 1));
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../src/libs/zbxdbhigh/db.c: In function 'DBregister_host_flush':
../../../../src/libs/zbxdbhigh/db.c:1443:49: warning: 'autoreg_hostid' may be used uninitialized in this function [-Wmaybe-uninitialized]
 autoreg_host->autoreg_hostid = autoreg_hostid++;
 ~~~~~~~~~~~~~~^~
../../../../src/libs/zbxdbhigh/host.c: In function 'DBcopy_template_elements':
../../../../src/libs/zbxdbhigh/host.c:3349:80: warning: 'host_prototype' may be used uninitialized in this function [-Wmaybe-uninitialized]
 group_prototype = (zbx_group_prototype_t *)host_prototype->group_prototypes.values[i];
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
../../../../src/libs/zbxdbhigh/host.c:3254:24: note: 'host_prototype' was declared here
 zbx_host_prototype_t *host_prototype;
 ^~~~~~~~~~~~~~
../../../../src/libs/zbxdbhigh/host.c:3216:47: warning: 'host_prototype' may be used uninitialized in this function [-Wmaybe-uninitialized]
 if (FAIL == (i = zbx_vector_uint64_bsearch(&host_prototype->lnk_templateids, templateid,
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../src/libs/zbxdbhigh/host.c:3129:24: note: 'host_prototype' was declared here
 zbx_host_prototype_t *host_prototype;
 ^~~~~~~~~~~~~~
../../../../src/libs/zbxdbhigh/lld_item.c: In function 'lld_items_applications_save':
../../../../src/libs/zbxdbhigh/lld_item.c:2474:42: warning: 'itemappid' may be used uninitialized in this function [-Wmaybe-uninitialized]
 item_application->itemappid = itemappid++;
 ~~~~~~~~~^~
../../../../src/libs/zbxdbhigh/lld_item.c: In function 'lld_update_items':
../../../../src/libs/zbxdbhigh/lld_item.c:2296:3: warning: 'application_discoveryid' may be used uninitialized in this function [-Wmaybe-uninitialized]
 zbx_db_insert_add_values(&db_insert_discovery, application->application_discoveryid,
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 application->applicationid, application->application_prototypeid,
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 application_prototype->name);
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../src/libs/zbxdbhigh/lld_item.c:2176:33: note: 'application_discoveryid' was declared here
 zbx_uint64_t applicationid, application_discoveryid;
 ^~~~~~~~~~~~~~~~~~~~~~~
../../../../src/libs/zbxdbhigh/lld_item.c:2270:4: warning: 'applicationid' may be used uninitialized in this function [-Wmaybe-uninitialized]
 zbx_db_insert_add_values(&db_insert, application->applicationid, hostid, application->name,
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 ZBX_FLAG_DISCOVERY_CREATED);
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../../../src/libs/zbxdbhigh/lld_item.c:2176:18: note: 'applicationid' was declared here
 zbx_uint64_t applicationid, application_discoveryid;
 ^~~~~~~~~~~~~
../../../../src/libs/zbxdbhigh/lld_trigger.c: In function 'lld_triggers_save.isra.18':
../../../../src/libs/zbxdbhigh/lld_trigger.c:2654:5: warning: 'triggertagid' may be used uninitialized in this function [-Wmaybe-uninitialized]
 zbx_db_insert_add_values(&db_insert_ttags, tag->triggertagid, trigger->triggerid,
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 tag->tag, tag->value);
 ~~~~~~~~~~~~~~~~~~~~~
../../../../src/libs/zbxdbhigh/lld_trigger.c: In function 'lld_update_triggers':
../../../../src/libs/zbxdbhigh/lld_trigger.c:1518:22: warning: 'dependency' may be used uninitialized in this function [-Wmaybe-uninitialized]
 dependency->flags = ZBX_FLAG_LLD_DEPENDENCY_DISCOVERED;
 ^
../../../../src/libs/zbxdbhigh/lld_trigger.c:1422:26: note: 'dependency' was declared here
 zbx_lld_dependency_t *dependency;
 ^~~~~~~~~~
../../../../src/libs/zbxserver/evalfunc.c: In function 'evaluate_COUNT':
../../../../src/libs/zbxserver/evalfunc.c:453:24: warning: 'arg2_dbl' may be used uninitialized in this function [-Wmaybe-uninitialized]
 if (value > pattern - ZBX_DOUBLE_EPSILON)
../../../../src/libs/zbxserver/evalfunc.c:528:12: note: 'arg2_dbl' was declared here
 double arg2_dbl;
 ^~~~~~~~
../../../../src/libs/zbxserver/expression.c: In function 'substitute_simple_macros':
../../../../src/libs/zbxserver/expression.c:4057:31: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
 (*data)[token.token.r + 1] = c;
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
../../../../src/libs/zbxtasks/task.c: In function 'tm_save_tasks':
../../../../src/libs/zbxtasks/task.c:344:29: warning: 'taskid' may be used uninitialized in this function [-Wmaybe-uninitialized]
 tasks[i]->taskid = taskid++;
 ~~~~~~^~
../../../src/zabbix_agent/active.c: In function 'active_checks_thread':
../../../src/zabbix_agent/active.c:1307:20: warning: 'big_rec_orig' may be used uninitialized in this function [-Wmaybe-uninitialized]
 metric->big_rec = big_rec_orig;
 ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
../../../src/zabbix_agent/active.c:1102:17: note: 'big_rec_orig' was declared here
 mtime_orig, big_rec_orig, logfiles_num_new = 0, jumped = 0;
 ^~~~~~~~~~~~
../../../src/zabbix_agent/active.c:1306:18: warning: 'mtime_orig' may be used uninitialized in this function [-Wmaybe-uninitialized]
 metric->mtime = mtime_orig;
 ~~~~~~~~~~~~~~^~~~~~~~~~~~~
../../../src/zabbix_agent/active.c:1102:5: note: 'mtime_orig' was declared here
 mtime_orig, big_rec_orig, logfiles_num_new = 0, jumped = 0;
 ^~~~~~~~~~
../../../src/zabbix_agent/active.c:1305:24: warning: 'lastlogsize_orig' may be used uninitialized in this function [-Wmaybe-uninitialized]
 metric->lastlogsize = lastlogsize_orig;
 ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
../../../src/zabbix_agent/active.c:1103:16: note: 'lastlogsize_orig' was declared here
 zbx_uint64_t lastlogsize_orig;
 ^~~~~~~~~~~~~~~~
../../../src/zabbix_agent/active.c:1263:16: warning: 's_count_orig' may be used uninitialized in this function [-Wmaybe-uninitialized]
 match_count = s_count_orig - s_count;
 ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
../../../src/zabbix_agent/active.c:1101:44: note: 's_count_orig' was declared here
 int rate, ret = FAIL, s_count, p_count, s_count_orig, is_count_item, max_delay_par_nr,
 ^~~~~~~~~~~~
../../../../src/zabbix_server/poller/checks_simple_vmware.c: In function 'vmware_service_get_counter_value_by_id':
../../../../src/zabbix_server/poller/checks_simple_vmware.c:216:27: warning: 'perfvalue' may be used uninitialized in this function [-Wmaybe-uninitialized]
 if (0 == strcmp(perfvalue->second, "-1"))
 ~~~~~~~~~^~~~~~~~