Re: WARNING in static_key_disable_cpuslocked

From: Dmitry Vyukov
Date: Sat Nov 17 2018 - 12:08:34 EST


On Sat, Nov 17, 2018 at 8:25 AM, Paolo Abeni <pabeni@xxxxxxxxxx> wrote:
> Hi,
>
> On Sat, 2018-11-17 at 06:52 -0800, Ard Biesheuvel wrote:
>> (+ Paolo, Dave)
>>
>> On Sat, 17 Nov 2018 at 01:59, syzbot
>> <syzbot+6cffdef928852907751c@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>> >
>> > Hello,
>> >
>> > syzbot found the following crash on:
>> >
>> > HEAD commit: 442b8cea2477 Add linux-next specific files for 20181109
>> > git tree: linux-next
>> > console output: https://syzkaller.appspot.com/x/log.txt?x=11f1dc25400000
>> > kernel config: https://syzkaller.appspot.com/x/.config?x=2f72bdb11df9fbe8
>> > dashboard link: https://syzkaller.appspot.com/bug?extid=6cffdef928852907751c
>> > compiler: gcc (GCC) 8.0.1 20180413 (experimental)
>> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10126533400000
>> >
>> > IMPORTANT: if you fix the bug, please add the following tag to the commit:
>> > Reported-by: syzbot+6cffdef928852907751c@xxxxxxxxxxxxxxxxxxxxxxxxx
>
> This should be addressed in current net-next, by commit:
>
> commit 9c48060141bd937497774546e4bb89b8992be383
> Author: Paolo Abeni <pabeni@xxxxxxxxxx>
> Date: Thu Nov 15 02:34:50 2018 +0100
>
> udp: fix jump label misuse
>
> Cheers,
>
> Paolo


#syz fix: udp: fix jump label misuse