syzbot suspects this issue was fixed by commit: commit 8dce43919566f06e865f7e8949f5c10d8c2493f5 Author: Antony Antony <antony.antony@xxxxxxxxxxx> Date: Sun Dec 12 10:34:30 2021 +0000 xfrm: interface with if_id 0 should return error bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10eb9bb0700000 start commit: 9eaa88c7036e Merge tag 'libata-5.16-rc6' of git://git.kern.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=10f3f669b8093e95 dashboard link: https://syzkaller.appspot.com/bug?extid=e918523f77e62790d6d9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1781a643b00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15130199b00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: xfrm: interface with if_id 0 should return error For information about bisection process see: https://goo.gl/tpsmEJ#bisection