------------[ cut here ]------------
WARNING: CPU: 0 PID: 9393 at net/xfrm/xfrm_policy.c:763 xfrm_policy_insert.cold+0x11/0x8c net/xfrm/xfrm_policy.c:763
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 9393 Comm: syz-executor.0 Not tainted 4.19.116-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+0x188/0x20d lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x46 kernel/panic.c:541
 report_bug+0x262/0x2a0 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+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037
RIP: 0010:xfrm_policy_insert.cold+0x11/0x8c net/xfrm/xfrm_policy.c:763
Code: e9 72 6a fe ff e8 04 83 45 fb 48 c7 c7 00 61 34 88 e8 01 a2 30 fb 0f 0b c3 e8 f0 82 45 fb 48 c7 c7 00 61 34 88 e8 ed a1 30 fb <0f> 0b 48 8b 44 24 10 0f b6 14 28 48 8b 04 24 83 e0 07 83 c0 03 38
RSP: 0018:ffff88804edff4e8 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff8880882264c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8152da91 RDI: ffffed1009dbfe8f
RBP: dffffc0000000000 R08: 0000000000000024 R09: ffffed1015cc5079
R10: ffffed1015cc5078 R11: ffff8880ae6283c7 R12: ffff88808fccadc0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 xfrm_add_policy+0x2af/0x550 net/xfrm/xfrm_user.c:1670
 xfrm_user_rcv_msg+0x40c/0x6b0 net/xfrm/xfrm_user.c:2681
 netlink_rcv_skb+0x160/0x410 net/netlink/af_netlink.c:2455
 xfrm_netlink_rcv+0x6b/0x90 net/xfrm/xfrm_user.c:2689
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x4d7/0x6a0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x80b/0xcd0 net/netlink/af_netlink.c:1909
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:632
 ___sys_sendmsg+0x803/0x920 net/socket.c:2115
 __sys_sendmsg+0xec/0x1b0 net/socket.c:2153
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c829
Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9e421aec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000500ac0 RCX: 000000000045c829
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000a00 R14: 00000000004ccb7f R15: 00007f9e421af6d4
Kernel Offset: disabled
Rebooting in 86400 seconds..