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kernel BUG at net/ipv4/tcp_output.c:2837!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 7 Comm: ksoftirqd/0 Not tainted 4.16.0-rc4+ #277
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__tcp_retransmit_skb+0x2728/0x2af0 net/ipv4/tcp_output.c:2837
RSP: 0018:ffff8801d9ae6fc8 EFLAGS: 00010206
RAX: ffff8801d9ada1c0 RBX: 00000000ad6ef1bf RCX: ffffffff84cb6558
RDX: 0000000000000100 RSI: ffff8801bb1d6238 RDI: ffff8801d35f40ac
RBP: ffff8801d9ae7370 R08: ffff88021fff801c R09: 0000000000000000
R10: 00000000e338785a R11: ffff88021fff801d R12: 0000000000000001
R13: ffff8801d35f410e R14: ffff8801d35f4080 R15: ffff8801bb1d6000
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ef8cfd CR3: 0000000006e22005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 tcp_retransmit_skb+0x2e/0x230 net/ipv4/tcp_output.c:2923
 tcp_retransmit_timer+0xefc/0x2dd0 net/ipv4/tcp_timer.c:487
 tcp_write_timer_handler+0x335/0x820 net/ipv4/tcp_timer.c:572
 tcp_write_timer+0x153/0x170 net/ipv4/tcp_timer.c:592
 call_timer_fn+0x228/0x820 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7ee/0xb70 kernel/time/timer.c:1666
 run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1692
 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285
 run_ksoftirqd+0x86/0x100 kernel/softirq.c:666
 smpboot_thread_fn+0x450/0x7c0 kernel/smpboot.c:164
 kthread+0x33c/0x400 kernel/kthread.c:238
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:406
Code: 4f de fc e9 86 f4 ff ff e8 f6 4f de fc e9 81 f9 ff ff e8 ec 4f de fc e9 fd fc ff ff e8 c2 4f de fc e9 02 f5 ff ff e8 88 a4 a5 fc <0f> 0b 48 8b bd c0 fc ff ff e8 6a 4f de fc e9 76 e9 ff ff 4c 89 
RIP: __tcp_retransmit_skb+0x2728/0x2af0 net/ipv4/tcp_output.c:2837 RSP: ffff8801d9ae6fc8
---[ end trace e65d9c98e0eb21aa ]---
Kernel panic - not syncing: Fatal exception in interrupt
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..