On Tue, Aug 08, 2006 at 07:32:51AM -0700, [email protected] wrote:
>
> The patch titled
>
> sys_getppid() oopses on debug kernel
>
> has been added to the -mm tree. Its filename is
>
> sys_getppid-oopses-on-debug-kernel.patch
>
> See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
> out what to do about this
>
> ------------------------------------------------------
> Subject: sys_getppid() oopses on debug kernel
> From: Kirill Korotaev <[email protected]>
>
> sys_getppid() optimization can access a freed memory. On kernels with
> DEBUG_SLAB turned ON, this results in Oops.
>
> Signed-off-by: Kirill Korotaev <[email protected]>
> Cc: <[email protected]>
> Signed-off-by: Andrew Morton <[email protected]>
I'm probably missing something, but is it really valid to access freed
kernel memory even if CONFIG_DEBUG_SLAB is off - as this patch does?
Cheers,
Muli
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