netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6850 at net/xfrm/xfrm_policy.c:752 xfrm_policy_insert+0x679/0x11e0 net/xfrm/xfrm_policy.c:752 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6850 Comm: syz-executor.0 Not tainted 4.14.146 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 panic+0x1f2/0x426 kernel/panic.c:182 __warn.cold+0x2f/0x36 kernel/panic.c:546 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:xfrm_policy_insert+0x679/0x11e0 net/xfrm/xfrm_policy.c:752 RSP: 0018:ffff8880839f7560 EFLAGS: 00010297 RAX: ffff88808c908600 RBX: ffff88809f88d240 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88809f88d470 RBP: ffff8880839f75f8 R08: 0000000000005f95 R09: ffffffff88caf128 R10: ffff88808c908ea8 R11: ffff88808c908600 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 xfrm_add_policy+0x230/0x4f0 net/xfrm/xfrm_user.c:1623 xfrm_user_rcv_msg+0x3c9/0x690 net/xfrm/xfrm_user.c:2613 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2621 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x45d/0x640 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459a09 RSP: 002b:00007f2a8375ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a09 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2a8375b6d4 R13: 00000000004c794a R14: 00000000004dd340 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..