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From:   Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Date:   Sun, 6 Nov 2022 22:39:00 -0800
Message-ID: <CABBYNZKyjFE_oVFDMj-U9uSax79bMimUCi1JyGBmyR_ufCNAUw@mail.gmail.com>
Subject: Re: [syzbot] BUG: corrupted list in hci_conn_add_sysfs
To:     Dmitry Vyukov <dvyukov@google.com>
Cc:     syzbot <syzbot+b30ccad4684cce846cef@syzkaller.appspotmail.com>,
        davem@davemloft.net, edumazet@google.com,
        gregkh@linuxfoundation.org, johan.hedberg@gmail.com,
        kuba@kernel.org, linux-bluetooth@vger.kernel.org,
        linux-kernel@vger.kernel.org, luiz.von.dentz@intel.com,
        marcel@holtmann.org, netdev@vger.kernel.org, pabeni@redhat.com,
        rafael@kernel.org, syzkaller-bugs@googlegroups.com,
        yin31149@gmail.com
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Hi,

On Sun, Nov 6, 2022 at 3:25 PM Dmitry Vyukov <dvyukov@google.com> wrote:
>
> On Fri, 4 Nov 2022 at 10:56, syzbot
> <syzbot+b30ccad4684cce846cef@syzkaller.appspotmail.com> wrote:
> >
> > syzbot suspects this issue was fixed by commit:
> >
> > commit 448a496f760664d3e2e79466aa1787e6abc922b5
> > Author: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
> > 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