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A patch for BUG#31418: User locks misfunctioning after

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mysql_change_user().

The problem was that THD::ull was not reset in THD::cleanup().

The fix is to reset it.


sql/sql_class.cc:
  Reset THD::ull after cleanup to prevent memory corruption.
tests/mysql_client_test.c:
  Add test case for BUG#31418.
This commit is contained in:
unknown
2007-10-11 17:11:12 +04:00
parent 27e2f30e05
commit 3ca34c102a
2 changed files with 134 additions and 31 deletions
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sql/sql_class.cc
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@@ -698,6 +698,7 @@ void THD::cleanup(void)
pthread_mutex_lock(&LOCK_user_locks);
item_user_lock_release(ull);
pthread_mutex_unlock(&LOCK_user_locks);
ull= NULL;
}
cleanup_done=1;