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Re: BUG #2246: Bad malloc interactions: ecpg, openssl

From: Andrew Klosterman <andrew5(at)ece(dot)cmu(dot)edu>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #2246: Bad malloc interactions: ecpg, openssl
Date: 2006-02-13 21:16:58
Message-ID: Pine.LNX.4.53L-ECE.CMU.EDU.0602131614450.18395@blossom.pdl.cmu.edu (view raw or flat)
Thread:
Lists: pgsql-bugspgsql-patches
On Mon, 13 Feb 2006, Tom Lane wrote:

> Andrew Klosterman <andrew5(at)ece(dot)cmu(dot)edu> writes:
> > (gdb) bt
> > #0  0x401c3851 in kill () from /lib/libc.so.6
> > #1  0x40139dd5 in EF_Abort () from /usr/lib/libefence.so.0
> > #2  0x40139823 in memalign () from /usr/lib/libefence.so.0
> > #3  0x401399ad in malloc () from /usr/lib/libefence.so.0
> > #4  0x40139a10 in calloc () from /usr/lib/libefence.so.0
> > #5  0x404a182f in krb5_set_default_tgs_ktypes () from /usr/lib/libkrb5.so.3
> > #6  0x402c8b3f in ?? () from /usr/lib/libpq.so.4
> > #7  0x402ded88 in ?? () from /usr/lib/libpq.so.4
> > #8  0x00000000 in ?? ()
>
> Any chance of doing this with debug symbols?  libpq does not call
> krb5_set_default_tgs_ktypes directly, so I don't think I believe the
> above backtrace.  gdb is easily misled without debug symbols :-(
>
> I'm not sure if Debian does things the way Red Hat does, but on RH
> there are separate "debuginfo" RPMs corresponding to each regular
> RPM --- if you install the ones matching your libpq and libkrb5
> RPMs you should be able to get better info.
>
> 			regards, tom lane

I thought about that and did some quick checks of how to get debug symbols
in libraries on Debian.  I didn't come up with anything right away.  I'll
poke around and see what I can come up with.

--Andrew J. Klosterman
andrew5(at)ece(dot)cmu(dot)edu

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