netdev - Re: [syzbot] [can?] WARNING in j1939_session_deactivate_activate

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Message-ID: <CANp29Y6PHCKRWSQvhs2gKTMC3u95Zo8VLTmXRxP1=5X00EKh-w@mail.gmail.com>
Date: Thu, 4 May 2023 18:51:03 +0200
From: Aleksandr Nogikh <nogikh@...gle.com>
To: syzbot <syzbot+3d2eaacbc2b94537c6c5@...kaller.appspotmail.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kernel@...gutronix.de, 
	kuba@...nel.org, linux-can@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux@...pel-privat.de, mkl@...gutronix.de, netdev@...r.kernel.org, 
	o.rempel@...gutronix.de, pabeni@...hat.com, robin@...tonic.nl, 
	socketcan@...tkopp.net, syzkaller-bugs@...glegroups.com, 
	william.xuanziyang@...wei.com
Subject: Re: [syzbot] [can?] WARNING in j1939_session_deactivate_activate_next

On Thu, May 4, 2023 at 6:47 PM syzbot
<syzbot+3d2eaacbc2b94537c6c5@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit d0553680f94c49bbe0e39eb50d033ba563b4212d
> Author: Ziyang Xuan <william.xuanziyang@...wei.com>
> Date:   Mon Sep 6 09:42:00 2021 +0000
>
>     can: j1939: fix errant WARN_ON_ONCE in j1939_session_deactivate
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10cf0990280000
> start commit:   fa182ea26ff0 net: phy: micrel: Fixes FIELD_GET assertion
> git tree:       net
> kernel config:  https://syzkaller.appspot.com/x/.config?x=796b7c2847a6866a
> dashboard link: https://syzkaller.appspot.com/bug?extid=3d2eaacbc2b94537c6c5
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1455e3b2880000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10296e7c880000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: can: j1939: fix errant WARN_ON_ONCE in j1939_session_deactivate

Looks correct.
#syz fix: can: j1939: fix errant WARN_ON_ONCE in j1939_session_deactivate

>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
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