syzbot has bisected this issue to: commit d82dcd9e21b77d338dc4875f3d4111f0db314a7c Author: Roberto Sassu <roberto.sassu@xxxxxxxxxx> Date: Fri Mar 31 12:32:18 2023 +0000 reiserfs: Add security prefix to xattr name in reiserfs_security_write() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14d0b787680000 start commit: 90b0c2b2edd1 Merge tag 'pinctrl-v6.7-1' of git://git.kerne.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=16d0b787680000 console output: https://syzkaller.appspot.com/x/log.txt?x=12d0b787680000 kernel config: https://syzkaller.appspot.com/x/.config?x=93ac5233c138249e dashboard link: https://syzkaller.appspot.com/bug?extid=c319bb5b1014113a92cf syz repro: https://syzkaller.appspot.com/x/repro.syz?x=113f3717680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154985ef680000 Reported-by: syzbot+c319bb5b1014113a92cf@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: d82dcd9e21b7 ("reiserfs: Add security prefix to xattr name in reiserfs_security_write()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection