On Tue, Aug 7, 2012 at 5:58 PM, John Stultz <john.stultz@xxxxxxxxxx> wrote: > On 08/07/2012 02:50 PM, Paul Moore wrote: >> >> On Tue, Aug 7, 2012 at 2:12 PM, John Stultz <john.stultz@xxxxxxxxxx> >> 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 for the quick response, I'll setup an Ubuntu guest and see if I can reproduce this ... something is odd. Anything non-standard about your guest install or anything else you think might be helpful? -- paul moore www.paul-moore.com -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@xxxxxxxxxxxxx with the words "unsubscribe selinux" without quotes as the message.
