Re: [syzbot] general protection fault in __io_queue_sqe

From: Pavel Begunkov
Date: Mon Aug 16 2021 - 18:51:27 EST


On 8/16/21 10:57 PM, Jens Axboe wrote:
> On 8/16/21 3:49 PM, Jens Axboe wrote:
>> On 8/16/21 3:41 PM, syzbot wrote:
>>> syzbot has found a reproducer for the following issue on:
>>>
>>> HEAD commit: b9011c7e671d Add linux-next specific files for 20210816
>>> git tree: linux-next
>>> console output: https://syzkaller.appspot.com/x/log.txt?x=1784d5e9300000
>>> kernel config: https://syzkaller.appspot.com/x/.config?x=a245d1aa4f055cc1
>>> dashboard link: https://syzkaller.appspot.com/bug?extid=2b85e9379c34945fe38f
>>> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1
>>> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17479216300000
>>> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=147f0111300000
>>
>> #syz test: git://git.kernel.dk/linux-block for-next
>
> Forgot to push out the update...
>
> #syz test: git://git.kernel.dk/linux-block 16a390b4109c6eaa65f84e31c2c1d19bcbeb666f

fwiw, tested locally, solves the problem

--
Pavel Begunkov