Re: [syzbot] BUG: corrupted list in hci_conn_add_sysfs

[Dmitry Vyukov]

On Fri, 4 Nov 2022 at 10:56, syzbot
<syzbot+b30ccad4684cce846cef@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 448a496f760664d3e2e79466aa1787e6abc922b5
> Author: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
> Date:   Mon Sep 19 17:56:59 2022 +0000
>
>     Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1052f8fe880000
> start commit:   dc164f4fb00a Merge tag 'for-linus-6.0-rc7' of git://git.ke..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=122d7bd4fc8e0ecb
> dashboard link: https://syzkaller.appspot.com/bug?extid=b30ccad4684cce846cef
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1110db8c880000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13e58aef080000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection


Looks reasonable based on subsystem and the patch:

#syz fix: Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times