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Date: Tue, 09 Sep 2008 10:12:14 -0700
From: Jason Evans <jasone@FreeBSD.org>
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To: David Xu <davidxu@freebsd.org>
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Cc: Jille Timmermans <jille@quis.cx>, FreeBSD Current <current@freebsd.org>
Subject: Re: Segmentation fault in malloc_usable_size() (libc)
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David Xu wrote:
> I propose following patch:
> 
> Index: thread/thr_exit.c
> [...]

That fixes the problem for me.  Thanks, I'll check in your fix in a moment.

Jason