On Wed, Feb 16, 2011 at 10:13:35PM +0000, YAMAMOTO Takashi wrote: > i got the following SEGV when runnning vacuum on a table. > (the line numbers in predicate.c is different as i have local modifications.) > oldlocktag.myTarget was NULL. > it seems that TransferPredicateLocksToNewTarget sometimes use stack garbage > for newpredlocktag.myTarget. vacuum on the table succeeded with the attached > patch. the latter part of the patch was necessary to avoid targetList > corruption, which later seems to make DeleteChildTargetLocks loop inifinitely.
Oops. Those are both definitely bugs (and my fault). Your patch looks correct. Thanks for catching that! Dan -- Dan R. K. Ports MIT CSAIL http://drkp.net/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
