Re: [syzbot] BUG: corrupted list in hci_conn_add_sysfs

From: Luiz Augusto von Dentz
Date: Mon Nov 07 2022 - 01:39:20 EST


Hi,

On Sun, Nov 6, 2022 at 3:25 PM Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote:
>
> 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

Looks like I did add a different link when fixing it:

https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=448a496f760664d3e2e79466aa1787e6abc922b5

Or perhaps they are duplicated?

https://syzkaller.appspot.com/bug?id=da3246e2d33afdb92d66bc166a0934c5b146404a
https://syzkaller.appspot.com/bug?extid=b30ccad4684cce846cef

--
Luiz Augusto von Dentz