Re: libgcc double-free, backend won't die

From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: Craig James <craig_james(at)emolecules(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: libgcc double-free, backend won't die
Date: 2007-12-11 15:14:17
Message-ID: 20071211151416.GD10710@alvh.no-ip.org
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Craig James wrote:

> Here is my guess -- and this is just a guess. My functions use a
> third-party library which, of necessity, uses malloc/free in the
> ordinary way. I suspect that there's a bug in the Postgres palloc()
> code that's walking over memory that regular malloc() allocates. The
> third-party library (OpenBabel) has been tested pretty thoroughly by
> me an others and has no memory corruption problems. All malloc's are
> freed properly. Does that seem like a possibility?

Not really. palloc uses malloc underneath.

--
Alvaro Herrera Valdivia, Chile ICBM: S 39º 49' 18.1", W 73º 13' 56.4"
"La vida es para el que se aventura"

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