From: Keith Owens <kaos@sgi.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.13-rc3 udev/hotplug use memory after free
Date: Tue, 26 Jul 2005 18:21:10 +1000 [thread overview]
Message-ID: <24487.1122366070@kao2.melbourne.sgi.com> (raw)
In-Reply-To: Your message of "Mon, 25 Jul 2005 15:01:19 MST." <20050725150119.1c2714f3.akpm@osdl.org>
On Mon, 25 Jul 2005 15:01:19 -0700,
Andrew Morton <akpm@osdl.org> wrote:
>Keith Owens <kaos@sgi.com> wrote:
>>
>> 2.6.13-rc3 + kdb (which does not touch udev/hotplug) on IA64 (Altix).
>> gcc version 3.3.3 (SuSE Linux). Compiled with DEBUG_SLAB,
>> DEBUG_PREEMPT, DEBUG_SPINLOCK, DEBUG_SPINLOCK_SLEEP, DEBUG_KOBJECT.
>>
>> There is a use after free somewhere above class_device_attr_show.
>
>Can we obtain a backtrace for this one, Keith? The function itself is
>pretty innocuous and is used by many callers. I'd be suspectng a bug in
>the caller.
I no longer have the backtrace. This 2.6.13-rc3 system has been booted
50+ times (ia64 MCA testing) and only once did it break. If it recurs, I'll
do some more digging.
prev parent reply other threads:[~2005-07-26 8:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-20 5:35 2.6.13-rc3 udev/hotplug use memory after free Keith Owens
2005-07-25 22:01 ` Andrew Morton
2005-07-26 8:21 ` Keith Owens [this message]
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