invalid inflight: 1 state 4 cwnd 10 mss 1448
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1863 at net/ipv4/tcp_output.c:2507 tcp_send_loss_probe.cold+0x7e/0x94 net/ipv4/tcp_output.c:2507
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 1863 Comm: syz-executor.4 Not tainted 4.14.143+ #0
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xca/0x134 lib/dump_stack.c:53
 panic+0x1ea/0x3d3 kernel/panic.c:182
 __warn.cold+0x2f/0x3a kernel/panic.c:546
 report_bug+0x20a/0x248 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+0x1bf/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:tcp_send_loss_probe.cold+0x7e/0x94 net/ipv4/tcp_output.c:2507
RSP: 0018:ffff8881dbb07ca8 EFLAGS: 00010286
RAX: 000000000000002c RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffffbd669f80 RDI: ffffed103b760f87
RBP: ffff8881d209de80 R08: 000000000000002c R09: ffffed103b764ce9
R10: ffffed103b764ce8 R11: ffff8881dbb26747 R12: 00000000000005a8
R13: 0000000000000001 R14: 000000000000000a R15: ffff8881d209de80
 tcp_write_timer_handler+0x46b/0x780 net/ipv4/tcp_timer.c:575
 tcp_write_timer+0xc9/0x170 net/ipv4/tcp_timer.c:597
 call_timer_fn+0x15b/0x6a0 kernel/time/timer.c:1279
 expire_timers+0x227/0x4c0 kernel/time/timer.c:1318
 __run_timers kernel/time/timer.c:1634 [inline]
 run_timer_softirq+0x1eb/0x5d0 kernel/time/timer.c:1647
 __do_softirq+0x234/0x9ec kernel/softirq.c:288
 invoke_softirq kernel/softirq.c:368 [inline]
 irq_exit+0x114/0x150 kernel/softirq.c:409
 exiting_irq arch/x86/include/asm/apic.h:648 [inline]
 smp_apic_timer_interrupt+0x1a7/0x650 arch/x86/kernel/apic/apic.c:1102
 apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:792
 </IRQ>
RIP: 0010:lock_acquire+0x16/0x360 kernel/locking/lockdep.c:3980
RSP: 0018:ffff8881a1207a80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: ffffea0007433100 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881d1a44810
RBP: ffff8881d1a447f8 R08: 0000000000000001 R09: 0000000000000000
R10: ffffed1039afbf2f R11: ffff8881cd7df97b R12: ffffffffbdc26c90
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152
 spin_lock include/linux/spinlock.h:317 [inline]
 sync_global_pgds+0x258/0x3b0 arch/x86/mm/init_64.c:162
 __vmalloc_node_range+0x355/0x690 mm/vmalloc.c:1772
 __vmalloc_node mm/vmalloc.c:1815 [inline]
 __vmalloc_node_flags mm/vmalloc.c:1829 [inline]
 vzalloc+0x60/0x80 mm/vmalloc.c:1868
 alloc_counters.isra.0+0x42/0x80 net/ipv6/netfilter/ip6_tables.c:818
 copy_entries_to_user net/ipv4/netfilter/ip_tables.c:822 [inline]
 get_entries net/ipv4/netfilter/ip_tables.c:1025 [inline]
 do_ipt_get_ctl+0x430/0x790 net/ipv4/netfilter/ip_tables.c:1702
 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline]
 nf_getsockopt+0x68/0xc0 net/netfilter/nf_sockopt.c:122
 ip_getsockopt net/ipv4/ip_sockglue.c:1566 [inline]
 ip_getsockopt+0x118/0x160 net/ipv4/ip_sockglue.c:1551
 tcp_getsockopt net/ipv4/tcp.c:3249 [inline]
 tcp_getsockopt+0x81/0xc0 net/ipv4/tcp.c:3243
 SYSC_getsockopt net/socket.c:1896 [inline]
 SyS_getsockopt+0x11d/0x1f0 net/socket.c:1878
 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c3fa
RSP: 002b:00007ffe31b598c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007ffe31b598f0 RCX: 000000000045c3fa
RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000714e80 R08: 00007ffe31b598ec R09: 0000000000004000
R10: 00007ffe31b599f0 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000714100
Kernel Offset: 0x3a800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..