RE: GPF in sidtab_context_to_sid

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> -----Original Message-----
> From: Paul Moore [mailto:paul@xxxxxxxxxxxxxx]
> Sent: Tuesday, November 8, 2016 12:57 PM
> To: Roberts, William C <william.c.roberts@xxxxxxxxx>
> Cc: selinux@xxxxxxxxxxxxx
> Subject: Re: GPF in sidtab_context_to_sid
> 
> On Tue, Nov 8, 2016 at 1:26 PM, Roberts, William C <william.c.roberts@xxxxxxxxx>
> wrote:
> > I found a very similar oops online:
> >
> > http://oops.kernel.org/oops/general-protection-fault-in-sidtab_context
> > _to_sid/
> >
> > Has anyone encountered this bug?
> >
> > I had something reported to me very similar where the faulting
> > instruction
> > was:
> >
> > 0xffffffff8133c81e <+174>:   mov    0x14(%r12),%eax
> >
> > Addr2line on vmlinux produced:
> >
> > $ addr2line -f -e ./vmlinux ffffffff8133c81e context_cmp
> > kernel/cht/security/selinux/ss/context.h:152
> 
> I'm guessing you don't have a reproducer?

Supposedly, I am digging that slowly out of the reporters. If I can use it to
reproduce, I'll let you know.

> 
> It looks like both these kernels are older (3.x), have you seen this on anything
> recent?

No.

> 
> --
> paul moore
> www.paul-moore.com

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