rocksdb.check_ignore_unknown_options - SEGV on shutdown (Ubuntu 26.04 / amd64v3(

CURRENT_TEST: rocksdb.check_ignore_unknown_options

2026-03-04 11:00:07 0 [Warning] Could not increase number of max_open_files to more than 1024 (request: 32278)

Segmentation fault (core dumped)

mysqltest: At line 47: command "$MYSQLD_CMD --plugin_load=$HA_ROCKSDB_SO --rocksdb_ignore_unknown_options=0 --log-error=$error_log" failed with wrong error: 139

The result from queries just before the failure was:

select variable_name, variable_value from information_schema.global_variables where variable_name="rocksdb_ignore_unknown_options";

variable_name	variable_value

ROCKSDB_IGNORE_UNKNOWN_OPTIONS	ON

 - found 'core' (0/1)

Core generated by '/usr/sbin/mariadbd'

Output from gdb follows. The first stack trace is from the failing thread.

The following stack traces are from all threads (so the failing one is

duplicated).

--------------------------

[New LWP 8813]

[Thread debugging using libthread_db enabled]

Using host libthread_db library "/usr/lib/x86_64-linux-gnu/libthread_db.so.1".

Core was generated by `/usr/sbin/mariadbd --defaults-group-suffix=.1 --defaults-file=/dev/shm/rocksdb/3/my.cnf --plugin_load=ha_rocksdb.so --rocksdb_ignore_unknown_options=0 --log-error=/dev/shm/rocksdb/3/log/my_restart.err'.

Program terminated with signal SIGSEGV, Segmentation fault.

#0  0x00007ff1a885d0e7 in ?? () from /usr/lib/x86_64-linux-gnu/libgcc_s.so.1

Thread 1 (Thread 0x7ff1a855c900 (LWP 8813)):

#0  0x00007ff1a885d0e7 in ?? () from /usr/lib/x86_64-linux-gnu/libgcc_s.so.1

#1  0x00007ff1a885efc6 in _Unwind_Backtrace () from /usr/lib/x86_64-linux-gnu/libgcc_s.so.1

#2  0x00007ff1a875ce7d in backtrace () from /usr/lib/x86_64-linux-gnu/libc.so.6

#3  0x0000558e10790850 in my_print_stacktrace (stack_bottom=0x0, thread_stack=299008, silent=<optimized out>) at /usr/src/mariadb-1:11.8.7+maria~ubu2604/mysys/stacktrace.c:215

#4  0x0000558e10201679 in handle_fatal_signal (sig=11) at /usr/src/mariadb-1:11.8.7+maria~ubu2604/sql/signal_handler.cc:227

#5  <signal handler called>

#6  0x00007ff1a2b9ce90 in ?? ()

#7  0x00007ff1a866249f in __call_tls_dtors () from /usr/lib/x86_64-linux-gnu/libc.so.6

#8  0x00007ff1a86628e4 in ?? () from /usr/lib/x86_64-linux-gnu/libc.so.6

#9  0x00007ff1a866293e in exit () from /usr/lib/x86_64-linux-gnu/libc.so.6

#10 0x0000558e0fd143ed in mysqld_exit (exit_code=exit_code@entry=1) at /usr/src/mariadb-1:11.8.7+maria~ubu2604/sql/mysqld.cc:1969

#11 0x0000558e0fd15d83 in unireg_abort (exit_code=exit_code@entry=1) at /usr/src/mariadb-1:11.8.7+maria~ubu2604/sql/mysqld.cc:1937

#12 0x0000558e0fd1954d in init_server_components () at /usr/src/mariadb-1:11.8.7+maria~ubu2604/sql/mysqld.cc:5656

#13 0x0000558e0fd242f0 in mysqld_main (argc=<optimized out>, argv=<optimized out>) at /usr/src/mariadb-1:11.8.7+maria~ubu2604/sql/mysqld.cc:6015

#14 0x00007ff1a8644575 in ?? () from /usr/lib/x86_64-linux-gnu/libc.so.6

#15 0x00007ff1a8644628 in __libc_start_main () from /usr/lib/x86_64-linux-gnu/libc.so.6

#16 0x0000558e0fcf9945 in _start ()