Server IP : 104.21.38.3 / Your IP : 172.70.208.8 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /www/server/mysql/src/mysql-test/suite/innodb/t/ |
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# Bug#34750489 : applying a updated online log may access out-of-bounds memory --source include/have_debug.inc --source include/have_debug_sync.inc --source include/count_sessions.inc show global variables like "innodb_sort_buffer_size"; connect(conn1,localhost,root,,); connect(conn2,localhost,root,,); connection default; --disable_query_log CREATE TABLE t1( id INT, name VARCHAR(1000), g_col VARCHAR(20) GENERATED ALWAYS AS (concat(id, substr(`name`, 0, 10))) VIRTUAL, KEY idx_id_g_col(id, g_col)); let $i= 0; while ($i < 80) { eval INSERT INTO `t1`(id, name) VALUES($i, repeat("a",1000)); inc $i; } --enable_query_log # main operation connection conn1; SET debug_sync = 'alter_table_update_log signal send_concurrent WAIT_FOR concurrent_done'; --send OPTIMIZE TABLE t1; # concurrent operations connection conn2; SET debug_sync = 'now wait_for send_concurrent'; UPDATE t1 SET id = id + 1; SET debug_sync = 'now signal concurrent_done'; disconnect conn2; connection conn1; reap; disconnect conn1; # teardown connection default; DROP TABLE t1; --source include/wait_until_count_sessions.inc