./mtr --mysqld=--innodb-buffer-pool-chunk-size=1M --mysqld=--innodb_buffer_pool_size=134217728

--source include/have_innodb.inc

SET GLOBAL innodb_buffer_pool_size=@@innodb_buffer_pool_size+1;

Core was generated by `/test/MD300724-mariadb-10.5.26-linux-x86_64-opt/bin/mariadbd --no-defaults --ma'.

Program terminated with signal SIGSEGV, Segmentation fault.

#0  buf_pool_t::resize (this=this@entry=0x55ba11195c40 <buf_pool>)at /test/10.5_opt/storage/innobase/buf/buf0buf.cc:1827

[Current thread is 1 (Thread 0x1519eaef8700 (LWP 1351241))]

(gdb) bt

#0  buf_pool_t::resize (this=this@entry=0x55ba11195c40 <buf_pool>) at /test/10.5_opt/storage/innobase/buf/buf0buf.cc:1827

#1  0x000055ba0fe0b25a in buf_resize_callback () at /test/10.5_opt/storage/innobase/buf/buf0buf.cc:2135

#2  0x000055ba10743429 in tpool::task_group::execute (this=0x55ba11ae5400 <single_threaded_group>, t=0x55ba11ae5360 <buf_resize_task>) at /test/10.5_opt/tpool/task_group.cc:55

#3  0x000055ba107410d7 in tpool::thread_pool_generic::worker_main (this=0x55ba12f83440, thread_var=0x55ba12f839f0) at /test/10.5_opt/tpool/tpool_generic.cc:599

#4  0x0000151a10135de4 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6

#5  0x0000151a1024f609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#6  0x0000151a0fe3b133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95