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Date: Fri, 26 Mar 2010 00:55:15 -0700
From: perryh@pluto.rain.com
To: psteele@maxiscale.com
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Cc: freebsd-questions@freebsd.org
Subject: Re: Very suspicious stack trace
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Peter Steele <psteele@maxiscale.com> wrote:
> what would lead malloc() into calling abort()?
> Everything seems to be in order.

Something may have trashed its internal data structures.
I'd suggest a close look for things like buffer overflows.