Re: [PATCH linux-next 1/4] infiniband/ipoib: fix possible NULL pointer dereference in ipoib_get_iflink

Honggang LI
2015-04-14T15:53:32Z

On Tue, Apr 14, 2015 at 05:49:55PM +0200, Nicolas Dichtel wrote:
> Le 14/04/2015 17:44, Honggang LI a écrit :
> >On Tue, Apr 14, 2015 at 08:34:33AM -0700, Eric Dumazet wrote:
> >>On Tue, 2015-04-14 at 23:20 +0800, Honggang Li wrote:
> >>>Starting monitoring for VG vg_rdma01: 3 logical volume(s) in volume
> >>>group "vg_rdma01" monitored
> >>>[ OK ]
> >>
> >>
> >>>CR2: 0000000000000120
> >>>---[ end trace a8610f6e9640eb85 ]---
> >>>
> >>>Signed-off-by: Honggang Li <honli@redhat.com>
> >>
> >>When was this bug added ?
> >>
> >
> >Sorry, I do not know. I ran into this bug today when I'm tracing a race
> >condition issue related qib. In order to check upstream linux-next fix
> >the race condition or not, I build linux-next-20150414 on two machines. Both
> >machines panic at modprobe ib_ipoib. Do you means I need to report a
> >bug? But I do not know report to who or where.
>
> Here is the tag:
> Fixes: 5aa7add8f14b ("infiniband/ipoib: implement ndo_get_iflink")
>

thank you.