Messages in this thread | | | Date | Tue, 7 Aug 2012 17:50:23 -0400 | Subject | Re: NULL pointer dereference in selinux_ip_postroute_compat | From | Paul Moore <> |
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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
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? * 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.
Thanks.
> Running with the following kvm line: > kvm -nographic -smp 4 -m 1G -hda disk.img -net user -net nic,model=virtio > -redir tcp:4400::22 -kernel ./bzImage -initrd initrd.img-1-jstultz -append > "root=UUID=b08aa86a-4b16-488f-a3de-33c2cf335bf0 ro console=ttyS0,115200n8" > > Two different traces below. Config attached.
-- paul moore www.paul-moore.com
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