From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
---|---|
To: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: btree_gist valgrind warnings about uninitialized memory |
Date: | 2014-05-13 14:13:53 |
Message-ID: | 20140513141353.GD9535@awork2.anarazel.de |
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Lists: | pgsql-hackers |
On 2014-05-13 15:33:08 +0300, Heikki Linnakangas wrote:
> On 05/06/2014 10:03 PM, Andres Freund wrote:
> >Hi,
> >
> >I am not sure whether these are new for 9.4 but they're worth looking at
> >anyway:
> >Valgrind was run with:
> > --trace-children=yes --quiet \
> > --track-origins=yes --leak-check=no \
> > --read-var-info=yes \
> > --suppressions=/home/andres/src/postgresql/src/tools/valgrind.supp \
> > <postgres with options>
> >All seem to be due btree_bit's fault and they seem to have a common
> >origin. Didn't look at code.
> I committed a fix to gbt_bit_xfrm() to zero the padding bytes.
Thanks!
> Thanks for the Valgrinding!
That leaves the spgist thing and some infrastructure till we can setup a
valgrind animal... From what we've caught with it so far that seems
rather worthwile.
What's your plans with your spgist fix? Commit it once 9.5 is branched?
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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