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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-19823

Server crashes with autoregistration operation "Remove from host groups"

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Details

    • Team C
    • Sprint 79 (Aug 2021)
    • 1

    Description

      Steps to reproduce:

      1. Create host using autoregistration.
      2. Turn of server and agent.
      3. Go to Autoregistration action and change operation to "Remove from host groups".
        Choose host group that doesn't attached to created host (Hypervisors).
      4. Turn on server and agent.

      Result:
      Server crashes.
      Server logs:

      1157554:20210817:112805.832 In op_groups_del()
      1157554:20210817:112805.832 In select_discovered_host() eventid:81
      1157554:20210817:112805.832 query [txnlev:1] [select h.hostid,h.name from hosts h,autoreg_host a where h.host=a.host and a.autoreg_hostid=1 and h.status in (0,1) limit 1]
      1157554:20210817:112805.833 End of select_discovered_host():10416
      1157554:20210817:112805.833 query [txnlev:1] [select groupid from hosts_groups where hostid=10416 and not groupid=7 limit 1]
      1157554:20210817:112805.835 query [txnlev:1] [select hostgroupid from hosts_groups where hostid=10416 and groupid=7]
      1157554:20210817:112805.835 query [txnlev:1] [delete from hosts_groups where hostid=10416 and groupid=7]
      1157554:20210817:112805.836 Got signal [signal:11(SIGSEGV),reason:1,refaddr:(nil)]. Crashing ...

      Valgrind logs:

      ==00:00:00:43.163 1160314== ERROR SUMMARY: 4 errors from 2 contexts (suppressed: 0 from 0)
      ==00:00:00:43.163 1160314== 
      ==00:00:00:43.163 1160314== 1 errors in context 1 of 2:
      ==00:00:00:43.163 1160314== Invalid read of size 8
      ==00:00:00:43.163 1160314==    at 0x2D18EF: zbx_audit_host_hostgroup_delete (audit.c:573)
      ==00:00:00:43.163 1160314==    by 0x23F45A: op_groups_del (operations.c:932)
      ==00:00:00:43.163 1160314==    by 0x237C66: execute_operations (actions.c:2898)
      ==00:00:00:43.163 1160314==    by 0x237C66: process_actions (actions.c:3274)
      ==00:00:00:43.163 1160314==    by 0x239DF5: flush_events (events.c:2130)
      ==00:00:00:43.163 1160314==    by 0x23BC52: zbx_process_events (events.c:2847)
      ==00:00:00:43.163 1160314==    by 0x33DC6E: DBregister_host_flush (db.c:1874)
      ==00:00:00:43.163 1160314==    by 0x33E1C5: DBregister_host (db.c:1560)
      ==00:00:00:43.163 1160314==    by 0x198767: db_register_host (active.c:87)
      ==00:00:00:43.163 1160314==    by 0x198999: get_hostid_by_host (active.c:290)
      ==00:00:00:43.163 1160314==    by 0x1996CB: send_list_of_active_checks_json (active.c:611)
      ==00:00:00:43.163 1160314==    by 0x197413: process_trap (trapper.c:1049)
      ==00:00:00:43.163 1160314==    by 0x198561: process_trapper_child (trapper.c:1169)
      ==00:00:00:43.163 1160314==    by 0x198561: trapper_thread (trapper.c:1249)
      ==00:00:00:43.163 1160314==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
      ==00:00:00:43.163 1160314== 
      ==00:00:00:43.163 1160314== 
      ==00:00:00:43.163 1160314== 3 errors in context 2 of 2:
      ==00:00:00:43.163 1160314== Conditional jump or move depends on uninitialised value(s)
      ==00:00:00:43.163 1160314==    at 0x196A98: process_trap (trapper.c:1042)
      ==00:00:00:43.163 1160314==    by 0x198561: process_trapper_child (trapper.c:1169)
      ==00:00:00:43.163 1160314==    by 0x198561: trapper_thread (trapper.c:1249)
      ==00:00:00:43.163 1160314==    by 0x2CC383: zbx_thread_start (threads.c:136)
      ==00:00:00:43.163 1160314==    by 0x16BD16: MAIN_ZABBIX_ENTRY (server.c:1391)
      ==00:00:00:43.163 1160314==    by 0x2BFCA8: daemon_start (daemon.c:411)
      ==00:00:00:43.163 1160314==    by 0x163C98: main (server.c:1071)
      ==00:00:00:43.163 1160314==  Uninitialised value was created by a stack allocation
      ==00:00:00:43.163 1160314==    at 0x196732: process_trap (trapper.c:977)
      ==00:00:00:43.163 1160314== 
      ==00:00:00:43.163 1160314== ERROR SUMMARY: 4 errors from 2 contexts (suppressed: 0 from 0)
      --00:00:00:43.203 1160262-- Discarding syms at 0x84e25c0-0x84e8a1c in /usr/lib/x86_64-linux-gnu/libnss_files-2.31.so (have_dinfo 1)
      --00:00:00:43.205 1160240-- Discarding syms at 0x84e25c0-0x84e8a1c in /usr/lib/x86_64-linux-gnu/libnss_files-2.31.so (have_dinfo 1)
      --00:00:00:43.206 1160263-- Discarding syms at 0x84e25c0-0x84e8a1c in /usr/lib/x86_64-linux-gnu/libnss_files-2.31.so (have_dinfo 1) 

      Expected:
      No crash

       

      Checked on last master version.

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            andris Andris Mednis
            smaklakovs Sergejs Maklakovs
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            Dates

              Created:
              Updated:
              Resolved: