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Problem report
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Resolution: Unresolved
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Blocker
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7.0.14rc1, 7.2.8rc1, 7.4.0rc1 (master)
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None
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S25-W22/23
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3
In the Zabbix proxy (7.0.8) during discovery processing.
'discovery manager #1' SIGSEGV crash happened 3 days after registering a new discovery rule.
Log excerpt:
3152748:20250520:050848.377 End of pb_discovery_add_row_mem() ret:SUCCEED free:728 3152748:20250520:050848.377 In pb_discovery_add_row_mem() free:728 request:296 3152748:20250520:050848.377 End of pb_discovery_add_row_mem() ret:SUCCEED free:432 3152748:20250520:050848.377 In pb_discovery_add_row_mem() free:432 request:296 3152748:20250520:050848.377 End of pb_discovery_add_row_mem() ret:SUCCEED free:136 3152748:20250520:050848.377 In pb_discovery_add_row_mem() free:136 request:296 3152748:20250520:050848.377 Got signal [signal:11(SIGSEGV),reason:128,refaddr:(nil)]. Crashing ... 3152748:20250520:050848.377 ====== Fatal information: ====== 3152748:20250520:050848.377 Program counter: 0x55d70ddbb39f
The debug log shows that pb_discovery_add_row_mem() was called multiple times and the process seems to have crashed when free < request.
Backtrace:
3152748:20250520:050848.377 === Backtrace: === 3152748:20250520:050848.379 14: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](zbx_backtrace+0x41) [0x55d70dd39aa1] 3152748:20250520:050848.379 13: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](zbx_log_fatal_info+0x2b5) [0x55d70dd39e75] 3152748:20250520:050848.379 12: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](+0xe3f66) [0x55d70dd3af66] 3152748:20250520:050848.379 11: /lib64/libpthread.so.0(+0x12b20) [0x7f93c7d8db20] 3152748:20250520:050848.379 10: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](+0x16439f) [0x55d70ddbb39f] 3152748:20250520:050848.379 9: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](+0x164513) [0x55d70ddbb513] 3152748:20250520:050848.379 8: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](pb_list_free_discovery+0x48) [0x55d70dddf688] 3152748:20250520:050848.379 7: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](zbx_pb_discovery_close+0x46b) [0x55d70dde97bb] 3152748:20250520:050848.379 6: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](zbx_discoverer_thread+0xdda) [0x55d70df33b7a] 3152748:20250520:050848.379 5: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](zbx_thread_start+0x27) [0x55d70ddc3d87] 3152748:20250520:050848.379 4: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](MAIN_ZABBIX_ENTRY+0xf1b) [0x55d70df3838b] 3152748:20250520:050848.379 3: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](zbx_daemon_start+0x10d) [0x55d70dd3b1ad] 3152748:20250520:050848.379 2: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](main+0x3d1) [0x55d70dcf2801] 3152748:20250520:050848.379 1: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f93c5af47b3] 3152748:20250520:050848.379 0: /usr/sbin/zabbix_proxy: discovery manager #1 [processing 1 rules, 0 unsaved checks](_start+0x2e) [0x55d70dcf938e]
Please investigate the root cause and possible fixes
- caused by
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ZBXNEXT-8827 Add UI error to Network Discovery rule
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- Closed
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- mentioned in
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