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Date:   Thu, 12 May 2022 15:20:19 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+00ce7332120071df39b1@...kaller.appspotmail.com>
Cc:     arunkumar@...ce-mep.com, davem@...emloft.net,
        johannes.berg@...el.com, johannes@...solutions.net,
        kuba@...nel.org, linux-kernel@...r.kernel.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        phind.uet@...il.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] general protection fault in ieee80211_chanctx_num_assigned

On Thu, 13 Jan 2022 at 20:04, syzbot
<syzbot+00ce7332120071df39b1@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 563fbefed46ae4c1f70cffb8eb54c02df480b2c2
> Author: Nguyen Dinh Phi <phind.uet@...il.com>
> 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=16afe84bb00000
> start commit:   7f75285ca572 Merge tag 'for-5.12/dm-fixes-3' of git://git...
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=b5591c832f889fd9
> dashboard link: https://syzkaller.appspot.com/bug?extid=00ce7332120071df39b1
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1393cbf9d00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1238ba29d00000
>
> 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 legit:

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

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