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BUG#13979418: SHOW BINLOG EVENTS MAY CRASH THE SERVER

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Merge from 5.1 into 5.5.

Conflicts:
 * sql/log.h
 * sql/sql_repl.cc
This commit is contained in:
Nuno Carvalho
2012-04-20 23:35:53 +01:00
parent a7d47adf23 cdaae1692b
commit d3968407e6
4 changed files with 57 additions and 1 deletions
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5
sql/sql_repl.cc
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@ -1737,6 +1737,8 @@ bool mysql_show_binlog_events(THD* thd)
File file = -1;
MYSQL_BIN_LOG *binary_log= NULL;
int old_max_allowed_packet= thd->variables.max_allowed_packet;
LOG_INFO linfo;
DBUG_ENTER("mysql_show_binlog_events");
Log_event::init_show_field_list(&field_list);
@ -1779,7 +1781,6 @@ bool mysql_show_binlog_events(THD* thd)
char search_file_name[FN_REFLEN], *name;
const char *log_file_name = lex_mi->log_file_name;
mysql_mutex_t *log_lock = binary_log->get_log_lock();
LOG_INFO linfo;
Log_event* ev;
unit->set_limit(thd->lex->current_select);
@ -1871,6 +1872,8 @@ bool mysql_show_binlog_events(THD* thd)
mysql_mutex_unlock(log_lock);
}
// Check that linfo is still on the function scope.
DEBUG_SYNC(thd, "after_show_binlog_events");
ret= FALSE;