Messages in this thread | | | Date | Tue, 07 Aug 2012 14:58:22 -0700 | From | John Stultz <> | Subject | Re: NULL pointer dereference in selinux_ip_postroute_compat |
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On 08/07/2012 02:50 PM, Paul Moore wrote: > On Tue, Aug 7, 2012 at 2:12 PM, John Stultz <john.stultz@linaro.org> wrote: >> Hi, >> With my kvm environment using 3.6-rc1+, I'm seeing NULL pointer >> dereferences in selinux_ip_postroute_compat(). It looks like the sksec value >> is null and we die in the following line: >> >> if (selinux_xfrm_postroute_last(sksec->sid, skb, &ad, proto)) >> >> This triggers every time I shutdown the machine, but has also triggered >> randomly after a few hours. >> >> This is on an ubuntu 12.04 image, not using selinux. > NOTE: Adding the SELinux list to the CC line Thanks!
> > Hi, > > I'm trying to understand this and I was hoping you could you clarify a > few things for me: > > * Is the panic in the Ubuntu 12.04 guest, or the host? If the host, > could you share what distribution you are using? Sorry, its a 12.04 guest. I think the host is Ubuntu 12.04 as well.
> * When you say you are not using SELinux, could you be more specific? > It seems odd that you are not using SELinux but the panic is happening > in a SELinux hook. I just mean that, being Ubuntu, the system (userland) isn't configured to use selinux. SELinux is just enabled in the kernel config.
thanks -john
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