Hi, Sergey! On Aug 03, Sergey Vojtovich wrote:

revision-id: bdef42c54f8938d28d9a421271b11e09e88735a4 (mariadb-5.5.50-19-gbdef42c) parent(s): 45ec5d673a1f5c736baec8ea9e2065bca4350324 committer: Sergey Vojtovich timestamp: 2016-08-03 11:49:35 +0400 message:

MDEV-10365 - Race condition in error handling of INSERT DELAYED

Shared variables of Delayed_insert may be updated without mutex protection when delayed insert thread gets an error.

Re-acquire mutex earlier, so that shared variables are protected.

ok to push Regards, Sergei Chief Architect MariaDB and security@mariadb.org