------------[ cut here ]------------
WARNING: CPU: 1 PID: 1801 at net/ipv4/tcp_timer.c:429 tcp_retransmit_timer+0x1a66/0x2590 net/ipv4/tcp_timer.c:429
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 1801 Comm: syz-fuzzer Not tainted 4.14.145+ #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_retransmit_timer+0x1a66/0x2590 net/ipv4/tcp_timer.c:429
RSP: 0000:ffff8881dbb07c78 EFLAGS: 00010206
RAX: ffff8881d2795e00 RBX: ffff8881a28c9d80 RCX: 0000000000000001
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8881d2e54bc8
RBP: ffff8881d2e54200 R08: ffff88821ffff05c R09: ffff88821ffff048
R10: ffff88821ffff057 R11: ffff88821ffff050 R12: ffff8881d2e5489a
R13: ffff8881d2e54230 R14: 0000000000000000 R15: ffff8881d2e54a0c
 tcp_write_timer_handler+0x43d/0x780 net/ipv4/tcp_timer.c:579
 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: 0033:0x70948e
RSP: 002b:000000c434507688 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff10
RAX: 000000c42181c800 RBX: 0000000001074200 RCX: 0000000000000000
RDX: 000000c429b7ea80 RSI: 0000000000000038 RDI: 0000000000095b98
RBP: 000000c4345077c8 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000009c72fb R11: 0000000000000008 R12: 0000000000000000
R13: 00000000000000f3 R14: 0000000000000033 R15: 000000000000002b
Kernel Offset: 0x2d800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..