syz dup: BUG: unable to handle kernel NULL pointer dereference in lookup_one_unlocked

On Wed, 8 Jan 2025 at 21:42, syzbot syzbot+94891a5155abdf6821b7@syzkaller.appspotmail.com wrote:

syzbot suspects this issue was fixed by commit:

commit c8b359dddb418c60df1a69beea01d1b3322bfe83 Author: Vasiliy Kovalev kovalev@altlinux.org Date: Tue Nov 19 15:58:17 2024 +0000

ovl: Filter invalid inodes with missing lookup function

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14ef4dc4580000 start commit: 20371ba12063 Merge tag 'drm-fixes-2024-08-30' of https://g.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d806687521800cad dashboard link: https://syzkaller.appspot.com/bug?extid=94891a5155abdf6821b7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1673fcb7980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15223467980000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: ovl: Filter invalid inodes with missing lookup function

For information about bisection process see: https://goo.gl/tpsmEJ#bisection