Re: [syzbot] [can?] WARNING in j1939_session_deactivate_activate_next

From: Aleksandr Nogikh
Date: Thu May 04 2023 - 12:51:20 EST


On Thu, May 4, 2023 at 6:47 PM syzbot
<syzbot+3d2eaacbc2b94537c6c5@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit d0553680f94c49bbe0e39eb50d033ba563b4212d
> Author: Ziyang Xuan <william.xuanziyang@xxxxxxxxxx>
> 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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