------------[ cut here ]------------
WARNING: CPU: 1 PID: 2745 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: 1 PID: 2745 Comm: syz-executor323 Not tainted 4.19.98-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 ac cf 1a fb 48 c7 c7 20 f2 54 88 e8 34 33 05 fb 0f 0b e9 6e d3 fe ff e8 94 cf 1a fb 48 c7 c7 20 f2 54 88 e8 1c 33 05 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:ffff8880a91f75d8 EFLAGS: 00010286
RAX: 0000000000000024 RBX: ffff88809494bb00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81558b76 RDI: ffffed101523eead
RBP: ffff8880a91f7678 R08: 0000000000000024 R09: ffffed1015d25079
R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888093abe000
 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: 0033:0x449429
Code: e8 dc 0f 03 00 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 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f05cf73fcd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00000000006dec48 RCX: 0000000000449429
RDX: 000000000000ff3b RSI: 0000000020000000 RDI: 0000000000000005
RBP: 00000000006dec40 R08: 0000000000000000 R09: 00000000000002e2
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec4c
R13: 00007ffd0c30362f R14: 00007f05cf7409c0 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..