------------[ cut here ]------------ WARNING: CPU: 1 PID: 4333 at net/xfrm/xfrm_policy.c:1543 xfrm_policy_insert_list+0x3b7/0xd10 net/xfrm/xfrm_policy.c:1543 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 4333 Comm: syz-executor.2 Not tainted 5.5.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x3e kernel/panic.c:582 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:xfrm_policy_insert_list+0x3b7/0xd10 net/xfrm/xfrm_policy.c:1543 Code: 14 20 48 89 f8 83 e0 07 83 c0 03 38 d0 0f 8c cf fd ff ff 84 d2 0f 84 c7 fd ff ff e8 03 eb 02 fb e9 bd fd ff ff e8 39 32 c5 fa <0f> 0b 48 8b 45 c0 0f b6 10 48 8b 45 c8 83 e0 07 83 c0 03 38 d0 7c RSP: 0018:ffffc90001687398 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff888095cac800 RCX: ffffc9000e508000 RDX: 00000000000007e5 RSI: ffffffff86affbb7 RDI: ffff888095caca20 RBP: ffffc90001687410 R08: ffff888094212300 R09: fffff520002d0e72 R10: fffff520002d0e71 R11: 0000000000000003 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 xfrm_policy_insert+0xcd/0x7f0 net/xfrm/xfrm_policy.c:1574 xfrm_add_policy+0x28f/0x580 net/xfrm/xfrm_user.c:1670 xfrm_user_rcv_msg+0x459/0x770 net/xfrm/xfrm_user.c:2676 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2684 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:639 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:659 ____sys_sendmsg+0x753/0x880 net/socket.c:2330 ___sys_sendmsg+0x100/0x170 net/socket.c:2384 __sys_sendmsg+0x105/0x1d0 net/socket.c:2417 __do_sys_sendmsg net/socket.c:2426 [inline] __se_sys_sendmsg net/socket.c:2424 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2424 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a919 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc231555c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a919 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc2315566d4 R13: 00000000004c9a51 R14: 00000000004e1960 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..