The crash was seen on 5.1, re-opening this bug for 5.1 to backport https://code.launchpad.net/~akopytov/percona-server/bug915814-5.5 revision 228 fix.
The crash was seen on 5.1, re-opening this bug for 5.1 to backport https:/ /code.launchpad .net/~akopytov/ percona- server/ bug915814- 5.5 revision 228 fix.