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SubjectRe: v2.6.31-rc6: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
Xiaotian Feng <xtfeng@gmail.com> writes:

> On Thu, Aug 20, 2009 at 2:07 PM, Eric W. Biederman <ebiederm@xmission.com>
> wrote:
>
>
> ebiederm@xmission.com (Eric W. Biederman) writes:
>
> > I'm not certain who I should route this too, but I just had 2.6.31-rc6
> > fall over on me.  I don't know how reproducible this will be but
> > I have a full crash dump if someone is interested in looking into this.
>
> Looks like I was wrong.  This is appears trivial to reproduce,
> I have just reproduced it two more times in a row.  I think
> the problem is pty related.
>
> I was looking into a change in behavior on 2.6.31-rc6 where
> data was being lost, and it appears one variant of my test program
> kills the kernel.
>
> The following program run as an unprivileged user causes a kernel
> panic in about a minute:
>
> aka
>
> while :; do ./KernelTtyTest ; done
>
>
> oops.... It panics my x86_64 machine.....

I guess I forgot to mention that detail. Thanks for confirming this
bug isn't just me.

Eric
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