linux-kernel - Re: [syzbot] [bcachefs?] kernel BUG in vfs_get

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Message-ID: <66f3ba91.050a0220.30ac7d.0010.GAE@google.com>
Date: Wed, 25 Sep 2024 00:24:01 -0700
From: syzbot <syzbot+c0360e8367d6d8d04a66@...kaller.appspotmail.com>
To: brauner@...nel.org, eadavis@...com, jack@...e.cz, 
	jfs-discussion@...ts.sourceforge.net, kent.overstreet@...ux.dev, 
	linux-bcachefs@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, shaggy@...nel.org, 
	syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [bcachefs?] kernel BUG in vfs_get_tree

syzbot has bisected this issue to:

commit d97de0d017cde0d442c3d144b4f969f43064cc0f
Author: Kent Overstreet <kent.overstreet@...ux.dev>
Date:   Tue Aug 13 01:31:25 2024 +0000

    bcachefs: Make bkey_fsck_err() a wrapper around fsck_err()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=147a0989980000
start commit:   2004cef11ea0 Merge tag 'sched-core-2024-09-19' of git://gi..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=167a0989980000
console output: https://syzkaller.appspot.com/x/log.txt?x=127a0989980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=38d475ce6711b8b4
dashboard link: https://syzkaller.appspot.com/bug?extid=c0360e8367d6d8d04a66
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=171f769f980000

Reported-by: syzbot+c0360e8367d6d8d04a66@...kaller.appspotmail.com
Fixes: d97de0d017cd ("bcachefs: Make bkey_fsck_err() a wrapper around fsck_err()")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection