syzbot has bisected this issue to: commit 08dd966cfd2bef467acd1835ae10c32356037bc3 Author: Theodore Ts'o <tytso@xxxxxxx> Date: Sat May 6 15:59:13 2023 +0000 ext4: improve error handling from ext4_dirhash() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15ecb2fa280000 start commit: 578215f3e21c Add linux-next specific files for 20230510 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=17ecb2fa280000 console output: https://syzkaller.appspot.com/x/log.txt?x=13ecb2fa280000 kernel config: https://syzkaller.appspot.com/x/.config?x=bb5a64fc61c29c5f dashboard link: https://syzkaller.appspot.com/bug?extid=344aaa8697ebd232bfc8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13b80e32280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=113f582a280000 Reported-by: syzbot+344aaa8697ebd232bfc8@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 08dd966cfd2b ("ext4: improve error handling from ext4_dirhash()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection