Re: [syzbot] [net?] WARNING in print_bfs_bug (2)

From: Mark Brown
Date: Fri May 05 2023 - 09:28:10 EST


On Wed, May 03, 2023 at 10:49:31AM +0800, Tzung-Bi Shih wrote:
> On Sat, Apr 29, 2023 at 03:54:28PM -0700, syzbot wrote:
> > syzbot has bisected this issue to:
> >
> > commit 0a034d93ee929a9ea89f3fa5f1d8492435b9ee6e
> > Author: Miaoqian Lin <linmq006@xxxxxxxxx>
> > 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@xxxxxxxxxxxxxxxxxxxxxxxxx
> > 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.

syzbot seems to generate a *lot* of false positives, this looks like one
of them so it's probably safe to ignore the bisection.

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