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

Nicolas Dichtel
2015-04-14T15:50:07Z

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")