[ovs-dev] 3.19-rc4: BUG: unable to handle kernel paging request at ffff880055f15000 ovs_packet_cmd_execute+0x1f/0x229
Thomas Graf
tgraf at suug.ch
Wed Jan 14 13:13:14 UTC 2015
On 01/14/15 at 02:03pm, Florian Westphal wrote:
> Thomas Graf <tgraf at suug.ch> wrote:
> > Copying ovs-dev mailing list and thus qutoing full message.
> >
> > On 01/14/15 at 01:14pm, Sander Eikelenboom wrote:
> > > Hi,
> > >
> > > I was testing 3.19-rc4 with openvswitch and encountered the splat below.
> >
> > What version of OVS are you using? Did this work properly with rc3 or
> > an older kernel?
>
> seems like it was introduced via 05da5898a96c
> (openvswitch: Add support for OVS_FLOW_ATTR_PROBE).
>
> It adds test for OVS_FLOW_ATTR_PROBE to ovs_packet_cmd_execute() but
> this function seems to only expect OVS_PACKET_ATTR_* (so we get
> out-of-bounds access)?
Absolutely, just came to the same conclusion independently. I'll send
a fix.
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