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From: Rich Felker <dalias@aerifal.cx>
To: musl@lists.openwall.com
Subject: Re: NULL deref SEGV in malloc.c:unbin()
Date: Fri, 27 Dec 2013 14:05:44 -0500	[thread overview]
Message-ID: <20131227190544.GF24286@brightrain.aerifal.cx> (raw)
In-Reply-To: <loom.20131227T193125-746@post.gmane.org>

On Fri, Dec 27, 2013 at 06:35:00PM +0000, David Wuertele wrote:
> I wonder if anyone has hit this before?   In unbin(), c->next->prev is set, but
> c->next is NULL.   It happens repeatedly, and here's what gdb says:

It's almost surely a case of memory corruption by the calling program,
most likely using memory after it's already been freed.

Rich


  reply	other threads:[~2013-12-27 19:05 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-27 18:35 David Wuertele
2013-12-27 19:05 ` Rich Felker [this message]
2013-12-27 19:44   ` David Wuertele
2013-12-27 22:13     ` Rich Felker
2013-12-28  0:25       ` David Wuertele
2013-12-28  1:28         ` David Wuertele
2013-12-28  3:03           ` Rich Felker
2013-12-29  0:01           ` Szabolcs Nagy
2013-12-29  0:05             ` Szabolcs Nagy
2013-12-29  1:34               ` Rich Felker
2013-12-30 19:17             ` David Wuertele
2013-12-30 21:25               ` Rich Felker

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