From: Cong Wang
Date: Fri, 21 Apr 2017 11:55:04 -0700
> On Fri, Apr 21, 2017 at 10:25 AM, Linus Torvalds
> wrote:
>> On Fri, Apr 21, 2017 at 5:48 AM, Andrey Konovalov
>> wrote:
>>>
>>> I've got the following error report while fuzzing the kernel with syzkaller.
>>>
>>> [ cut here ]
From: Linus Torvalds
Date: Fri, 21 Apr 2017 10:42:48 -0700
> Over to Eric and networking people. This oops is user-triggerable, and
> leaves the machine in a bad state (the original BUG_ON() and the new
> GP fault both happen while holding the RTNL, so networking is not
> healthy afterwards.
I h
On Fri, Apr 21, 2017 at 10:25 AM, Linus Torvalds
wrote:
> On Fri, Apr 21, 2017 at 5:48 AM, Andrey Konovalov
> wrote:
>>
>> I've got the following error report while fuzzing the kernel with syzkaller.
>>
>> [ cut here ]
>> kernel BUG at net/core/dev.c:6813!
>
> Another use
On 21/04/17 20:42, Linus Torvalds wrote:
> On Fri, Apr 21, 2017 at 10:25 AM, Linus Torvalds
> wrote:
>>
>> I'm assuming that the real cause is simply that "dev->reg_state" ends
>> up being NETREG_UNREGISTERING or something. Maybe the BUG_ON() could
>> be just removed, and replaced by the previous
On Fri, Apr 21, 2017 at 5:48 AM, Andrey Konovalov wrote:
>
> I've got the following error report while fuzzing the kernel with syzkaller.
>
> [ cut here ]
> kernel BUG at net/core/dev.c:6813!
Another useless BUG_ON() that
(a) kills the machine
(b) doesn't tell the actua
On Fri, Apr 21, 2017 at 10:25 AM, Linus Torvalds
wrote:
>
> I'm assuming that the real cause is simply that "dev->reg_state" ends
> up being NETREG_UNREGISTERING or something. Maybe the BUG_ON() could
> be just removed, and replaced by the previous warning about
> NETREG_UNINITIALIZED.
>
> Somethi