| Server IP : 88.99.149.37 / Your IP : 216.73.216.141 Web Server : nginx/1.31.2 System : Linux server-88-99-149-37 6.12.0-124.56.5.el10_1.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 15 06:12:08 EDT 2026 x86_64 User : muralimurth ( 1015) PHP Version : 8.4.23 Disable Function : exec,system,passthru,shell_exec,proc_close,proc_open,dl,popen,show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/local/mysql/mysql-test/main/ |
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#
# MDEV-4462 mysqld gets SIGFPE when mysql.user table is empty
#
create table t1 as select * from mysql.global_priv;
truncate table mysql.global_priv;
flush privileges;
connect(localhost,u1,,test,MASTER_PORT,MASTER_SOCKET);
connect fail,localhost,u1;
Got one of the listed errors
insert mysql.global_priv select * from t1;
drop table t1;
flush privileges;
# switching from mysql.global_priv to mysql.user
truncate table mysql.user;
flush privileges;
connect(localhost,u1,,test,MASTER_PORT,MASTER_SOCKET);
connect fail,localhost,u1;
Got one of the listed errors
# switching back from mysql.user to mysql.global_priv
#
# MDEV-39266 Stack Overflow via alloca() in Privilege Table JSON Parser
#
INSERT INTO mysql.global_priv (Host, User, Priv) VALUES
('localhost', 'MDEV-39266', CONCAT(
'{"access":0,"plugin":"mysql_native_password","authentication_string":"',
REPEAT('X', 400000),
'","password_last_changed":0}'));
FLUSH PRIVILEGES;
DROP USER `MDEV-39266`@localhost;
# End if 10.6 tests