set @save_session_track_system_variables=@@session_track_system_variables;
#
# MDEV-25237: Assertion `global_system_variables.
# session_track_system_variables' failed in
# Session_sysvars_tracker::init | SIGSEGV's in __strlen_avx2 |
# UBSAN: runtime error: null pointer passed as argument 1, which
# is declared to never be null in my_strdup
#
# check that that parser problems do not lead to crash
SET @old_debug= @@session.debug_dbug;
set debug_dbug="+d,dbug_session_tracker_parse_error";
SET GLOBAL session_track_system_variables='query_cache_size';
ERROR HY001: Out of memory; restart server and try again (needed 1 bytes)
set debug_dbug=@old_debug;
SELECT @@global.session_track_system_variables;
@@global.session_track_system_variables
NULL
SET GLOBAL event_scheduler=1;
SET GLOBAL session_track_system_variables=default;
SET GLOBAL event_scheduler=default;
# End of 10.4 test