------------[ cut here ]------------
WARNING: CPU: 0 PID: 20619 at net/xfrm/xfrm_policy.c:1548 xfrm_policy_insert_list+0x392/0xcd0 net/xfrm/xfrm_policy.c:1548
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 20619 Comm: syz-executor.1 Not tainted 5.6.0-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+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:175 [inline]
 fixup_bug arch/x86/kernel/traps.c:170 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:xfrm_policy_insert_list+0x392/0xcd0 net/xfrm/xfrm_policy.c:1548
Code: 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 0f 8c eb fd ff ff 84 d2 0f 84 e3 fd ff ff e8 78 28 02 fb e9 d9 fd ff ff e8 7e 15 c5 fa <0f> 0b 48 8b 44 24 08 0f b6 10 48 8b 04 24 83 e0 07 83 c0 03 38 d0
RSP: 0018:ffffc9000851f428 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff88809a103000 RCX: ffffc9000418a000
RDX: 0000000000000d3f RSI: ffffffff86add3e2 RDI: ffff88809a103240
RBP: dffffc0000000000 R08: ffff8880545e4200 R09: fffff520010a3e89
R10: fffff520010a3e88 R11: 0000000000000003 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880a718c000
 xfrm_policy_insert+0xc3/0x780 net/xfrm/xfrm_policy.c:1579
 xfrm_add_policy+0x2af/0x5a0 net/xfrm/xfrm_user.c:1671
 xfrm_user_rcv_msg+0x414/0x700 net/xfrm/xfrm_user.c:2680
 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2469
 xfrm_netlink_rcv+0x6b/0x90 net/xfrm/xfrm_user.c:2688
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6bf/0x7e0 net/socket.c:2362
 ___sys_sendmsg+0x100/0x170 net/socket.c:2416
 __sys_sendmsg+0xec/0x1b0 net/socket.c:2449
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45c879
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:00007fb1c8772c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb1c87736d4 RCX: 000000000045c879
RDX: 0000000000000000 RSI: 000000002014f000 RDI: 0000000000000003
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009fe R14: 00000000004ccb84 R15: 000000000076bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..