Re: inconsistent lock state in icmp_send

[Dmitry Vyukov]

On Mon, May 25, 2020 at 12:19 PM syzbot
<syzbot+251ec6887ada6eac4921@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this bug was fixed by commit:
>
> commit 1378817486d6860f6a927f573491afe65287abf1
> Author: Eric Dumazet <edumazet@xxxxxxxxxx>
> Date:   Thu May 21 18:29:58 2020 +0000
>
>     tipc: block BH before using dst_cache
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10cbef06100000
> start commit:   f5d58277 Merge branch 'for-linus' of git://git.kernel.org/..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=c8970c89a0efbb23
> dashboard link: https://syzkaller.appspot.com/bug?extid=251ec6887ada6eac4921
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10ab6ba3400000
>
> If the result looks correct, please mark the bug fixed by replying with:
>
> #syz fix: tipc: block BH before using dst_cache
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: tipc: block BH before using dst_cache