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  1. MariaDB Server
  2. MDEV-26816

Galera cluster received "mariadbd[2354817]: segfault" Error

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      Hi Team,

      Customer got segfault error on db nodes. Here I have attached the backtrace report. It looks like two complex selects and one of them crashed while accessing some wrong memory area while in Aria temporary table related code.

      Please check the attached backtrace report.

      mariadbd[2354817]: segfault at 7f5ac5fb8862 ip 00007f5a8d127764 sp 00007f5a80438468 error 4 in libc-2.28.so[7f5a8cfc7000+1bc000]
       
      [Tue Oct  5 15:24:37 2021] Core dump to |/opt/dynatrace/oneagent/agent/rdp -p 3204035 -P 3204035 -e mariadbd -s 11 pipe failed
      [Tue Oct  5 15:24:54 2021] mariadbd[3205298]: segfault at 3dd0 ip 000055ca9186ca60 sp 00007f855c1fe508 error 4 in mariadbd[55ca91147000+1536000]
      [Tue Oct  5 15:24:54 2021] Code: 00 00 00 00 00 00 5b 41 5c 5d c3 0f 1f 80 00 00 00 00 48 83 bb 50 02 00 00 00 0f 85 00 ff ff ff e9 4e ff ff ff 0f 1f 44 00 00 <48> 8b 87 d0 3d 00 00 c3 0f 1f 84 00 00 00 00 00 8b 97 f4 3d 00 00
      [Tue Oct  5 15:24:54 2021] Core dump to |/opt/dynatrace/oneagent/agent/rdp -p 3205291 -P 3205291 -e mariadbd -s 11 pipe failed
      [Tue Oct  5 15:25:14 2021] mariadbd[3206416]: segfault at 3dd0 ip 0000555794a11a60 sp 00007fdffc0c1508 error 4 in mariadbd[5557942ec000+1536000]
      

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            Assignee:
            monty Michael Widenius
            Reporter:
            ponsuresh.pandians Pon Suresh Pandian
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