Re: [syzbot] INFO: task hung in linkwatch_event (2)

From: Dmitry Vyukov
Date: Thu May 12 2022 - 09:26:48 EST


On Tue, 5 Apr 2022 at 09:38, syzbot
<syzbot+96ff6cfc4551fcc29342@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 563fbefed46ae4c1f70cffb8eb54c02df480b2c2
> Author: Nguyen Dinh Phi <phind.uet@xxxxxxxxx>
> Date: Wed Oct 27 17:37:22 2021 +0000
>
> cfg80211: call cfg80211_stop_ap when switch from P2P_GO type
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1048725f700000
> start commit: dd86e7fa07a3 Merge tag 'pci-v5.11-fixes-2' of git://git.ke..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=e83e68d0a6aba5f6
> dashboard link: https://syzkaller.appspot.com/bug?extid=96ff6cfc4551fcc29342
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11847bc4d00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1267e5a0d00000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: cfg80211: call cfg80211_stop_ap when switch from P2P_GO type

Looks possible:

#syz fix: cfg80211: call cfg80211_stop_ap when switch from P2P_GO type