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Problem report
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Resolution: Fixed
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Trivial
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3.0.25, 4.0.4, 4.2.0alpha3
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Sprint 49 (Feb 2019)
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0.5
Following patch to reproduce the issue which is otherwise hard to catch
Index: src/libs/zbxsysinfo/sysinfo.c =================================================================== --- src/libs/zbxsysinfo/sysinfo.c (revision 89520) +++ src/libs/zbxsysinfo/sysinfo.c (working copy) @@ -1273,6 +1273,7 @@ ret = write_all(fds[1], data, data_offset); + sleep(30); zbx_free(data); free_result(result);
Send signal when metric is being executed:
./sbin/zabbix_agentd -R log_level_decrease
Result(from several times):
75016 pts/1 S+ 0:00 ./sbin/zabbix_agentd -c /etc/zabbix/zabbix_agentd.conf --foreground 75017 pts/1 S+ 0:00 ./sbin/zabbix_agentd: collector [idle 1 sec] 75018 pts/1 S+ 0:00 ./sbin/zabbix_agentd: listener #1 [waiting for connection] 75019 pts/1 S+ 0:00 ./sbin/zabbix_agentd: listener #2 [waiting for connection] 75020 pts/1 S+ 0:00 ./sbin/zabbix_agentd: listener #3 [waiting for connection] 75021 pts/1 S+ 0:00 ./sbin/zabbix_agentd: active checks #1 [idle 1 sec] 75033 pts/1 Z+ 0:00 [zabbix_agentd] <defunct> 75151 pts/1 Z+ 0:00 [zabbix_agentd] <defunct> 75315 pts/1 Z+ 0:00 [zabbix_agentd] <defunct> 75705 pts/1 Z+ 0:00 [zabbix_agentd] <defunct> 75992 pts/1 Z+ 0:00 [zabbix_agentd] <defunct> 76065 pts/1 S+ 0:00 ./sbin/zabbix_agentd: listener #3 [processing request] 76238 pts/2 S+ 0:00 grep --color=auto zabbix_agentd
==65293== at 0x445C3E: zbx_execute_threaded_metric (sysinfo.c:1326) ==65293== by 0x466132: VFS_FS_SIZE (diskspace.c:124) ==65293== by 0x440921: process (sysinfo.c:632) ==65293== by 0x435D9A: process_listener (listener.c:57) ==65293== by 0x43641B: listener_thread (listener.c:145) ==65293== by 0x49D7AE: zbx_thread_start (threads.c:132) ==65293== by 0x411A0C: MAIN_ZABBIX_ENTRY (zabbix_agentd.c:1046) ==65293== by 0x4A0039: daemon_start (daemon.c:392) ==65293== by 0x411F7E: main (zabbix_agentd.c:1270) ==65293== Uninitialised value was created by a stack allocation ==65293== at 0x4451E3: zbx_execute_threaded_metric (sysinfo.c:1234) ==65293== ==65293== Conditional jump or move depends on uninitialised value(s) ==65293== at 0x445DA2: zbx_execute_threaded_metric (sysinfo.c:1333) ==65293== by 0x466132: VFS_FS_SIZE (diskspace.c:124) ==65293== by 0x440921: process (sysinfo.c:632) ==65293== by 0x435D9A: process_listener (listener.c:57) ==65293== by 0x43641B: listener_thread (listener.c:145) ==65293== by 0x49D7AE: zbx_thread_start (threads.c:132) ==65293== by 0x411A0C: MAIN_ZABBIX_ENTRY (zabbix_agentd.c:1046) ==65293== by 0x4A0039: daemon_start (daemon.c:392) ==65293== by 0x411F7E: main (zabbix_agentd.c:1270) ==65293== Uninitialised value was created by a stack allocation ==65293== at 0x4451E3: zbx_execute_threaded_metric (sysinfo.c:1234)
Expected:
No zombie
