Hello, syzbot tried to test the proposed patch but the build/boot failed: net/vmw_vsock/vsock_loopback.c:155:21: error: 'struct vsock_loopback' has no member named 'pkt_list_lock' net/vmw_vsock/vsock_loopback.c:157:23: error: 'struct vsock_loopback' has no member named 'pkt_list_lock' Tested on: commit: fff5a5e7 Merge tag 'for-linus' of git://git.armlinux.o.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git dashboard link: https://syzkaller.appspot.com/bug?extid=befff0a9536049e7902e compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=15ed6191c80000