syzbot has bisected this issue to: commit d97de0d017cde0d442c3d144b4f969f43064cc0f Author: Kent Overstreet <kent.overstreet@xxxxxxxxx> 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=1683290c580000 start commit: 02adc1490e6d Merge tag 'spi-fix-v6.16-rc1' of git://git.ke.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1583290c580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1183290c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=162faeb2d1eaefb4 dashboard link: https://syzkaller.appspot.com/bug?extid=bfaeaa8e26281970158d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1555310c580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12810e82580000 Reported-by: syzbot+bfaeaa8e26281970158d@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: d97de0d017cd ("bcachefs: Make bkey_fsck_err() a wrapper around fsck_err()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection