Hello, syzbot found the following issue on: HEAD commit: ac7ac432a67e Merge branch 'New nf_conntrack kfuncs for ins.. git tree: bpf-next console output: https://syzkaller.appspot.com/x/log.txt?x=164443d6080000 kernel config: https://syzkaller.appspot.com/x/.config?x=386b986585586629 dashboard link: https://syzkaller.appspot.com/bug?extid=ea8ff4e064cd21861ec7 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ea8ff4e064cd21861ec7@xxxxxxxxxxxxxxxxxxxxxxxxx net/bpf/test_run.c:703:40: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:704:40: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:703:1: error: unknown type name 'BTF_ID_FLAGS' net/bpf/test_run.c:705:40: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:705:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'BTF_ID_FLAGS' net/bpf/test_run.c:712:48: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:705:1: error: unknown type name 'BTF_ID_FLAGS' net/bpf/test_run.c:713:45: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:714:45: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:715:45: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:716:45: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:717:45: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:718:53: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:719:53: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given net/bpf/test_run.c:720:53: error: macro "BTF_ID_FLAGS" requires 3 arguments, but only 2 given --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.