[draft] assertion failure while setting system variable

Version: '11.7.0-MariaDB-debug-log'  

safe_mutex: Trying to lock mutex at /git/11.7/sql/sql_plugin.cc, line 3624, when the mutex was already locked at /git/11.7/sql/session_tracker.cc, line 441 in thread T@52

241024 14:58:42 [ERROR] mysqld got signal 6 ;

Server version: 11.7.0-MariaDB-debug-log source revision: e3dcdddea5fda111a3929de5e752f4944a1e6a9e

mysys/stacktrace.c:215(my_print_stacktrace)[0x564152b6b1bf]

sql/signal_handler.cc:247(handle_fatal_signal)[0x5641516a0297]

/lib/x86_64-linux-gnu/libpthread.so.0(+0x12730)[0x7fa1928a0730]

linux/raise.c:51(__GI_raise)[0x7fa1923df8eb]

stdlib/abort.c:81(__GI_abort)[0x7fa1923ca535]

mysys/thr_mutex.c:261(safe_mutex_lock)[0x564152b74a54]

psi/mysql_thread.h:750(inline_mysql_mutex_lock)[0x564150d97efa]

sql/sql_plugin.cc:3625(sys_var_pluginvar::session_update(THD*, set_var*))[0x564150db3d4a]

sql/set_var.cc:215(sys_var::update(THD*, set_var*))[0x564150a595f6]

sql/set_var.cc:868(set_var::update(THD*))[0x564150a5db8a]

sql/set_var.cc:750(sql_set_variables(THD*, List<set_var_base>*, bool))[0x564150a5cf9d]

sql/sql_lex.cc:6074(LEX::restore_set_statement_var())[0x564150cb3ce6]

sql/sql_parse.cc:2500(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool))[0x564150d22205]

sql/sql_parse.cc:1405(do_command(THD*, bool))[0x564150d1b316]

sql/sql_connect.cc:1448(do_handle_one_connection(CONNECT*, bool))[0x564151206ee5]

sql/sql_connect.cc:1352(handle_one_connection)[0x564151206836]

perfschema/pfs.cc:2200(pfs_spawn_thread)[0x564151f47032]

nptl/pthread_create.c:487(start_thread)[0x7fa192895fa3]

x86_64/clone.S:97(clone)[0x7fa1924a106f]

safe_mutex: Trying to lock mutex at /git/11.7/sql/sys_vars_shared.h, line 56, when the mutex was already locked at /git/11.7/sql/session_tracker.cc, line 441 in thread T@58

241024 14:57:06 [ERROR] mysqld got signal 6 ;

Server version: 11.7.0-MariaDB-debug-log source revision: e3dcdddea5fda111a3929de5e752f4944a1e6a9e

/lib/x86_64-linux-gnu/libpthread.so.0(+0x12730)[0x7fb16d2d6730]

linux/raise.c:51(__GI_raise)[0x7fb16ce158eb]

stdlib/abort.c:81(__GI_abort)[0x7fb16ce00535]

psi/mysql_thread.h:750(inline_mysql_mutex_lock)[mysys/thr_mutex.c:261(safe_mutex_lock)[0x55ecb695fa54]

0x55ecb4842b8b]

sql/sys_vars_shared.h:56(PolyLock_mutex::wrlock())[0x55ecb485031b]

sql/sys_vars_shared.h:74(AutoWLock::AutoWLock(PolyLock*))[0x55ecb4850415]

sql/set_var.cc:338(sys_var::val_int(bool*, THD*, enum_var_type, st_mysql_const_lex_string const*))[0x55ecb4845470]

sql/sql_parse.cc:3359(run_set_statement_if_requested(THD*, LEX*))[0x55ecb4b12efd]

sql/sql_parse.cc:3717(mysql_execute_command(THD*, bool))[0x55ecb4b15c32]

sql/sql_parse.cc:7889(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x55ecb4b32801]

sql/sql_parse.cc:1894(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool))[0x55ecb4b09670]

sql/sql_parse.cc:1405(do_command(THD*, bool))[0x55ecb4b06316]

sql/sql_connect.cc:1448(do_handle_one_connection(CONNECT*, bool))[0x55ecb4ff1ee5]

sql/sql_connect.cc:1352(handle_one_connection)[0x55ecb4ff1836]

perfschema/pfs.cc:2200(pfs_spawn_thread)[0x55ecb5d32032]

nptl/pthread_create.c:487(start_thread)[0x7fb16d2cbfa3]

x86_64/clone.S:97(clone)[0x7fb16ced706f]