linux-kernel - Re: BUG: corrupted list in corrupted (3)

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Message-ID: <CAAeHK+yu4H=2BuVhv7UMt4S0qtx_3Ngn4YLFni6nTNAQsWkK0Q@mail.gmail.com>
Date:   Wed, 24 Jun 2020 14:45:10 +0200
From:   Andrey Konovalov <andreyknvl@...gle.com>
To:     syzbot <syzbot+0b3de1d31a24da20947b@...kaller.appspotmail.com>
Cc:     akpm@...l.org, Kees Cook <keescook@...omium.org>,
        LKML <linux-kernel@...r.kernel.org>,
        USB list <linux-usb@...r.kernel.org>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Rik van Riel <riel@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: BUG: corrupted list in corrupted (3)

On Tue, Jun 23, 2020 at 9:37 PM syzbot
<syzbot+0b3de1d31a24da20947b@...kaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:    f8f02d5c USB: OTG: rename product list of devices
> git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
> console output: https://syzkaller.appspot.com/x/log.txt?x=11bfddf1100000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=fbe5dc26525767f1
> dashboard link: https://syzkaller.appspot.com/bug?extid=0b3de1d31a24da20947b
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11abf20d100000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17ea5a11100000
>
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+0b3de1d31a24da20947b@...kaller.appspotmail.com
>
> ------------[ cut here ]------------
> kernel BUG at lib/list_debug.c:26!
>
>
> ---
> This bug is generated by a bot. It may contain errors.
> See https://goo.gl/tpsmEJ for more information about syzbot.
> syzbot engineers can be reached at syzkaller@...glegroups.com.
>
> syzbot will keep track of this bug report. See:
> https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
> syzbot can test patches for this bug, for details see:
> https://goo.gl/tpsmEJ#testing-patches
>
> --
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#syz dup: BUG: corrupted list in em28xx_init_extension