netlink: 88 bytes leftover after parsing attributes in process `syz-executor.0'.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 29441 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: 29441 Comm: syz-executor.0 Not tainted 4.19.79 #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+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x263/0x507 kernel/panic.c:185
 __warn.cold+0x20/0x4a kernel/panic.c:540
 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 f0 6a 78 fb 48 c7 c7 c0 4e e9 87 e8 98 d2 62 fb 0f 0b e9 c2 c5 fe ff e8 d8 6a 78 fb 48 c7 c7 c0 4e e9 87 e8 80 d2 62 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:ffff88808d227468 EFLAGS: 00010286
RAX: 0000000000000024 RBX: ffff8880846f1240 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8155f4a6 RDI: ffffed1011a44e7f
RBP: ffff88808d227508 R08: 0000000000000024 R09: ffffed1015d25079
R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880846f0940
 xfrm_add_policy+0x28f/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+0x537/0x720 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_sendmsg+0x803/0x920 net/socket.c:2115
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2153
 __do_sys_sendmsg net/socket.c:2162 [inline]
 __se_sys_sendmsg net/socket.c:2160 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a59
Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ff881b34c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a59
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff881b356d4
R13: 00000000004c7bff R14: 00000000004dd998 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..