------------[ cut here ]------------
WARNING: CPU: 0 PID: 9040 at net/xfrm/xfrm_policy.c:761 xfrm_policy_insert.cold+0x11/0x8c net/xfrm/xfrm_policy.c:761
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 9040 Comm: syz-executor035 Not tainted 4.19.104-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+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x53 kernel/panic.c:541
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037
RIP: 0010:xfrm_policy_insert.cold+0x11/0x8c net/xfrm/xfrm_policy.c:761
Code: ff e8 cc e0 1b fb 48 c7 c7 80 69 54 88 e8 14 41 06 fb 0f 0b e9 6e d3 fe ff e8 b4 e0 1b fb 48 c7 c7 80 69 54 88 e8 fc 40 06 fb <0f> 0b 48 8b 45 c0 42 0f b6 14 20 48 8b 45 d0 83 e0 07 83 c0 03 38
RSP: 0018:ffff8880891a75d8 EFLAGS: 00010286
RAX: 0000000000000024 RBX: ffff888080c30040 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8155a136 RDI: ffffed1011234ead
RBP: ffff8880891a7678 R08: 0000000000000024 R09: ffffed1015d05079
R10: ffffed1015d05078 R11: ffff8880ae8283c7 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888099894900
 xfrm_add_policy+0x28b/0x530 net/xfrm/xfrm_user.c:1669
 xfrm_user_rcv_msg+0x450/0x720 net/xfrm/xfrm_user.c:2677
 netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
 xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2685
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:632
 __sys_sendto+0x262/0x380 net/socket.c:1787
 __do_sys_sendto net/socket.c:1799 [inline]
 __se_sys_sendto net/socket.c:1795 [inline]
 __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x448dd9
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 2b 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f6dccd9dcd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00000000006dec38 RCX: 0000000000448dd9
RDX: 000000000000ff3b RSI: 0000000020000000 RDI: 0000000000000008
RBP: 00000000006dec30 R08: 0000000000000000 R09: fffffffffffffd62
R10: 0f00000000000000 R11: 0000000000000246 R12: 00000000006dec3c
R13: 00007ffe255efe4f R14: 00007f6dccd9e9c0 R15: 0000000000000001
Kernel Offset: disabled
Rebooting in 86400 seconds..