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SubjectRe: [Bug #11500] /proc/net bug related to selinux
Date
On Saturday, 13 of September 2008, Andrew Morton wrote:
> On Sat, 13 Sep 2008 10:15:43 +1000 (EST) James Morris <jmorris@namei.org> wrote:
>
> > On Fri, 12 Sep 2008, Andrew Morton wrote:
> >
> > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11500
> > > > > Subject : /proc/net bug related to selinux
> > > > > Submitter : Andrew Morton <akpm@linux-foundation.org>
> > > > > Date : 2008-09-04 17:45 (9 days old)
> > > > > References : http://marc.info/?l=linux-kernel&m=122055041313270&w=4
> > > >
> > > > I think this might be a regression caused by namespace changes which we
> >
> > By which I mean, this was caused by a non-SELinux change to the upstream
> > kernel many, many eons ago.
>
> hm, seems that 2.6.24 is OK but 2.6.25 is not. I must have missed the
> bug when testing 2.6.25-based kernels.
>
> I started a git bisection search but after half an hour I hit bad
> bisection breakage: a complete machine hang in fib_rules_init().
>
> > > > addressed in SELinux policy. Which distro version & policy version is
> > > > this seen with?
> > > >
> > >
> > > FC5 on x86_32 and FC6 on x86_64.
> >
> > As mentioned in the bugzilla, any related avc messages would be useful.
>
> 2.6.25 dmesg: http://userweb.kernel.org/~akpm/dmesg-sony.txt
> /var/log/messages: http://userweb.kernel.org/~akpm/messages-sony.txt
>
> The latter includes this:
>
> Sep 13 12:32:43 sony kernel: SELinux: class key not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: class dccp_socket not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: class memprotect not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: class peer not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: class capability2 not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission open in class dir not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission open in class file not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission open in class chr_file not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission open in class blk_file not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission open in class fifo_file not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission dccp_recv in class node not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission dccp_send in class node not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission recvfrom in class node not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission sendto in class node not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission dccp_recv in class netif not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission dccp_send in class netif not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission ingress in class netif not defined in policy
> Sep 13 12:32:43 sony kernel: SELinux: permission egress in class netif not defined in policy
> Sep 13 12:32:44 sony kernel: SELinux: permission setkeycreate in class process not defined in policy
> Sep 13 12:32:44 sony kernel: SELinux: permission setsockcreate in class process not defined in policy
> Sep 13 12:32:44 sony kernel: SELinux: permission setfcap in class capability not defined in policy
> Sep 13 12:32:44 sony kernel: SELinux: permission polmatch in class association not defined in policy
> Sep 13 12:32:44 sony kernel: SELinux: permission flow_in in class packet not defined in policy
> Sep 13 12:32:44 sony kernel: SELinux: permission flow_out in class packet not defined in policy
> Sep 13 12:32:44 sony kernel: SELinux: permission forward_in in class packet not defined in policy
> Sep 13 12:32:44 sony kernel: SELinux: permission forward_out in class packet not defined in policy
> Sep 13 12:32:44 sony kernel: SELinux: the above unknown classes and permissions will be denied
> Sep 13 12:32:44 sony kernel: type=1403 audit(1221309118.644:3): policy loaded auid=4294967295 ses=4294967295
> Sep 13 12:32:44 sony kernel: type=1400 audit(1221334321.726:4): avc: denied { audit_write } for pid=400 comm="hwclock" capability=29 scontext=system_u:system_r:hwclock_t:s0 tcontext=system_u:system_r:hwclock_t:s0 tclass=capability
>
>
> Why am I seeing this on two machines and two vanilla-installed distros
> but nobody else is reporting it?

Well, it seems no one else is testing selinux ...


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