syzbot has bisected this issue to:
commit 39cea302f13a0a9dc4cf39248529a42e79d06842
Author: Kent Overstreet <[email protected]>
Date: Fri May 9 21:01:05 2025 +0000
bcachefs: bch2_check_bucket_backpointer_mismatch()
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17590834580000
start commit: ae388edd4a8f Merge tag 'landlock-6.17-rc1' of git://git.ke..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=14d90834580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10d90834580000
kernel config: https://syzkaller.appspot.com/x/.config?x=8004f1b1e0ae8198
dashboard link: https://syzkaller.appspot.com/bug?extid=c2294ae43bae606e3c7d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1583f034580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1038d4a2580000
Reported-by: [email protected]
Fixes: 39cea302f13a ("bcachefs: bch2_check_bucket_backpointer_mismatch()")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
