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/
