linux-kernel - Re: [syzbot] [net?] WARNING in print_bfs

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Message-ID: <ZFHLu13XQZpOn/8T@google.com>
Date:   Wed, 3 May 2023 10:49:31 +0800
From:   Tzung-Bi Shih <tzungbi@...nel.org>
To:     syzbot <syzbot+630f83b42d801d922b8b@...kaller.appspotmail.com>
Cc:     broonie@...nel.org, davem@...emloft.net, edumazet@...gle.com,
        groeck@...omium.org, jiri@...nulli.us, kuba@...nel.org,
        linmq006@...il.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        pabeni@...hat.com, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk
Subject: Re: [syzbot] [net?] WARNING in print_bfs_bug (2)

On Sat, Apr 29, 2023 at 03:54:28PM -0700, syzbot wrote:
> syzbot has bisected this issue to:
> 
> commit 0a034d93ee929a9ea89f3fa5f1d8492435b9ee6e
> Author: Miaoqian Lin <linmq006@...il.com>
> Date:   Fri Jun 3 13:10:43 2022 +0000
> 
>     ASoC: cros_ec_codec: Fix refcount leak in cros_ec_codec_platform_probe
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13d40608280000
> start commit:   042334a8d424 atlantic:hw_atl2:hw_atl2_utils_fw: Remove unn..
> git tree:       net-next
> final oops:     https://syzkaller.appspot.com/x/report.txt?x=10340608280000
> console output: https://syzkaller.appspot.com/x/log.txt?x=17d40608280000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=7205cdba522fe4bc
> dashboard link: https://syzkaller.appspot.com/bug?extid=630f83b42d801d922b8b
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=147328f8280000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1665151c280000
> 
> Reported-by: syzbot+630f83b42d801d922b8b@...kaller.appspotmail.com
> Fixes: 0a034d93ee92 ("ASoC: cros_ec_codec: Fix refcount leak in cros_ec_codec_platform_probe")

I failed to see the connection between the oops and commit 0a034d93ee92.