syzbot suspects this issue was fixed by commit: commit 0766ec82e5fb26fc5dc6d592bc61865608bdc651 Author: Stephen Brennan <stephen.s.brennan@xxxxxxxxxx> Date: Wed Sep 1 17:51:41 2021 +0000 namei: Fix use after free in kern_path_locked bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17bf2a03300000 start commit: fa54d366a6e4 Merge tag 'acpi-5.14-rc7' of git://git.kernel.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=96f0602203250753 dashboard link: https://syzkaller.appspot.com/bug?extid=005037419ebdf14e1d87 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14c086c5300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12950bee300000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: namei: Fix use after free in kern_path_locked For information about bisection process see: https://goo.gl/tpsmEJ#bisection