netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9926 at net/xfrm/xfrm_policy.c:1543 xfrm_policy_insert_list.cold+0x11/0x90 net/xfrm/xfrm_policy.c:1543
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 9926 Comm: syz-executor.0 Not tainted 5.3.0-rc8+ #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+0x2dc/0x755 kernel/panic.c:219
 __warn.cold+0x20/0x4c kernel/panic.c:576
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:xfrm_policy_insert_list.cold+0x11/0x90 net/xfrm/xfrm_policy.c:1543
Code: 2d 7b fb e9 67 fa ff ff 88 55 c0 e8 69 2e 7b fb 0f b6 55 c0 e9 83 fa ff ff e8 2b 20 41 fb 48 c7 c7 60 f7 31 88 e8 a3 bf 2a fb <0f> 0b 48 8b 45 b8 42 0f b6 14 20 48 8b 45 d0 83 e0 07 83 c0 03 38
RSP: 0018:ffff8880832a73a0 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff88809f712000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815c36d6 RDI: ffffed1010654e66
RBP: ffff8880832a7420 R08: 0000000000000024 R09: ffffed1015d24101
R10: ffffed1015d24100 R11: ffff8880ae920807 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880913cbb00
 xfrm_policy_inexact_insert+0xec/0x1000 net/xfrm/xfrm_policy.c:1190
 xfrm_policy_insert+0x530/0x750 net/xfrm/xfrm_policy.c:1576
 xfrm_add_policy+0x28f/0x530 net/xfrm/xfrm_user.c:1670
 xfrm_user_rcv_msg+0x459/0x770 net/xfrm/xfrm_user.c:2676
 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
 xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2684
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:657
 ___sys_sendmsg+0x803/0x920 net/socket.c:2311
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356
 __do_sys_sendmsg net/socket.c:2365 [inline]
 __se_sys_sendmsg net/socket.c:2363 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363
 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4598e9
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:00007f2565d72c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9
RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2565d736d4
R13: 00000000004c7812 R14: 00000000004dd0b0 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..