netlink: 40803 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 11579 bytes leftover after parsing attributes in process `syz-executor.5'. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13654 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: 0 PID: 13654 Comm: syz-executor.5 Not tainted 4.14.171-syzkaller #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+0x142/0x197 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x2f kernel/panic.c:547 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:ffff88806121f6a8 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff8880a7f06000 RCX: ffffc90006c2b000 RDX: 0000000000010996 RSI: ffffffff858af369 RDI: ffff8880a7f06230 RBP: ffff88806121f740 R08: 0000000000001c78 R09: ffffffff8955dc40 R10: ffff88805677ed68 R11: ffff88805677e4c0 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 xfrm_add_policy+0x22d/0x4d0 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+0x44d/0x650 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 SYSC_sendto+0x206/0x310 net/socket.c:1763 SyS_sendto+0x40/0x50 net/socket.c:1731 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c6c9 RSP: 002b:00007fea9f2e6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fea9f2e76d4 RCX: 000000000045c6c9 RDX: 000000000000ff3b RSI: 0000000020000000 RDI: 0000000000000005 RBP: 000000000076bf20 R08: 0000000000000000 R09: fffffffffffffd62 R10: 0f00000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009d6 R14: 00000000004cc793 R15: 000000000076bf2c Kernel Offset: disabled Rebooting in 86400 seconds..