Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Duplicate
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11.8.6, 12.2.2
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None
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Not for Release Notes
Description
Where:
- Source: https://buildbot.dev.mariadb.org/#/builders/809/builds/4/steps/5/logs/stdio
- Commit: b8b14029fc681e2d92be754f6bd84ec5fda7cc74
- MariaDB Version: mariadb-11.8.6
- Install steps: https://buildbot.dev.mariadb.org/#/builders/809/builds/4/steps/3/logs/stdio
- Packages: https://ci.dev.mariadb.org/239/amd64-sles-1600-rpm-autobake/
Also happening on 12.2.2:
- Source: https://buildbot.mariadb.org/#/builders/1139/builds/1
- Commit: 6ca70dd64ce56da40fad3bcd0641493210dd0a4c
- Packages: https://ci.mariadb.org/62685/amd64-sles-1600-rpm-autobake
Uploaded files for debugging:
- gdb.txt (info threads; info registers; thread apply all bt full; frame 0)
- journal.txt (mariadbd)
- system_info.txt
- core dump: mariadbd-11.8.6-sles1600-show-engines.core.zst
What happened:
Crashed during an MTR test for PAM plugin (line 150 in buildbot log):
sudo su mysql -s /bin/sh -c 'perl mysql-test-run.pl --verbose-restart --force --vardir=/dev/shm/var_pam --suite=plugins --do-test=pam' |
It looks like the PAM tests are not the culprit, given that it fails during the 'check-testcase' phase before even starting the tests.
The server [mysqld.1 - pid: 4582, winpid: 4582, exit: 256] crashed while running 'check testcase before test' |
How to reproduce:
I was able to reproduce this on a fresh MariaDB Server install on a SLES 16.0 VM (AMD64) with a simple "SHOW ENGINES;" query:
buildbot@bb-ro-apexis-bbw03-x64-sles-1600-amd64:~/buildbot/scripts> sudo mariadb
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Welcome to the MariaDB monitor. Commands end with ; or \g. |
Your MariaDB connection id is 3 |
Server version: 11.8.6-MariaDB MariaDB Server
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Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. |
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Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. |
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MariaDB [(none)]> SHOW ENGINES;
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ERROR 2026 (HY000): TLS/SSL error: unexpected eof while reading
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From the journal:
Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Connection ID (thread ID): 3
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Status: NOT_KILLED
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Query (0x55f5854799d0): SHOW ENGINES
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,hash_join_cardinality=on,cset_narrowing=on,sargable_casefold=on
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Writing a core file... |
Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Working directory at /var/lib/mysql |
Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Resource Limits (excludes unlimited resources):
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Limit Soft Limit Hard Limit Units
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Max stack size 8388608 unlimited bytes
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Max processes 7658 7658 processes
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Max open files 32768 32768 files |
Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Max locked memory 524288 524288 bytes
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Max pending signals 7658 7658 signals
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Max msgqueue size 819200 819200 bytes
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Max nice priority 0 0 |
Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Max realtime priority 0 0
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Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Core pattern: |/usr/lib/systemd/systemd-coredump %P %u %g %s %t %c %h %d %F |
Jan 22 09:21:05 bb-ro-apexis-bbw03-x64-sles-1600-amd64 mariadbd[5050]: Kernel version: Linux version 6.12.0-160000.5-default (geeko@buildhost) (gcc-13 (SUSE Linux) 13.4.0, GNU ld (GNU Binutils; SUSE Linux 16) 2.43.1.20241209-160000.2) #1 SMP PREEMPT_DYNAMIC Wed Sep 10 15:26:25 UTC 2025 (3545bbd) |
Jan 22 09:21:06 bb-ro-apexis-bbw03-x64-sles-1600-amd64 systemd-coredump[5111]: [🡕] Process 5050 (mariadbd) of user 475 dumped core.
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Stack trace of thread 5050:
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#0 0x00007f38bbd0aa0f __poll (libc.so.6 + 0x104a0f) |
#1 0x000055f547e3276a n/a (n/a + 0x0) |
#2 0x000055f547e33e23 n/a (n/a + 0x0) |
#3 0x00007f38bbc30340 __libc_start_call_main (libc.so.6 + 0x2a340) |
#4 0x00007f38bbc30409 __libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x2a409) |
#5 0x000055f547e26d35 n/a (n/a + 0x0) |
ELF object binary architecture: AMD x86-64
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Attachments
Issue Links
- duplicates
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MDEV-37786 my_convert randomly crashes when converting from utf8mb3 to utf8mb4
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- Closed
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- relates to
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MDEV-21816 Suboptimal implementation of my_convert()
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- Closed
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