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

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Message-ID: <6869b5f2.a00a0220.c7b3.0050.GAE@google.com>
Date: Sat, 05 Jul 2025 16:32:02 -0700
From: syzbot <syzbot+8deb6ff4415db67a9f18@...kaller.appspotmail.com>
To: kent.overstreet@...ux.dev, linux-bcachefs@...r.kernel.org, 
	linux-kernel@...r.kernel.org, mmpgouride@...il.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bcachefs?] kernel BUG in __btree_trans_update_by_path

syzbot has bisected this issue to:

commit 0803fa689bb9eb8d01867808b886a26e76ff1690
Author: Kent Overstreet <kent.overstreet@...ux.dev>
Date:   Thu Jun 26 23:52:42 2025 +0000

    bcachefs: -o fix_errors may now be used without -o fsck

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=161ca582580000
start commit:   50c8770a42fa Add linux-next specific files for 20250702
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=151ca582580000
console output: https://syzkaller.appspot.com/x/log.txt?x=111ca582580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d831c9dfe03f77ec
dashboard link: https://syzkaller.appspot.com/bug?extid=8deb6ff4415db67a9f18
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1311d3d4580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1770f982580000

Reported-by: syzbot+8deb6ff4415db67a9f18@...kaller.appspotmail.com
Fixes: 0803fa689bb9 ("bcachefs: -o fix_errors may now be used without -o fsck")

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