This bug has been copied from bug #525323 and has been proposed
to be backported to 5.4 z-stream (EUS).
Created attachment 389401 [details]
patch to cause crashes on 5.4
on 5.4 patch from 525323 is not enough to cause crashes
instead need this patch
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.