Re: 2.6.13-rc3 udev/hotplug use memory after free

[Andrew Morton]

Keith Owens <kaos@xxxxxxx> 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.
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