------------[ cut here ]------------ kernel BUG at ./include/linux/skbuff.h:1294! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.9.189+ #3 task: 000000001a1591e3 task.stack: 00000000e5d0519e RIP: 0010:[] [<000000001bf722c8>] skb_queue_prev include/linux/skbuff.h:1294 [inline] RIP: 0010:[] [<000000001bf722c8>] tcp_write_queue_prev include/net/tcp.h:1563 [inline] RIP: 0010:[] [<000000001bf722c8>] tcp_rtx_queue_tail include/net/tcp.h:1616 [inline] RIP: 0010:[] [<000000001bf722c8>] tcp_fragment+0x1266/0x1390 net/ipv4/tcp_output.c:1195 RSP: 0018:ffff8801db607b90 EFLAGS: 00010206 RAX: ffffffff83031180 RBX: ffff8801d1cb5400 RCX: 1ffff1003a396afd RDX: 0000000000000100 RSI: ffffffff8252ae16 RDI: ffff8801cc37f688 RBP: ffff8801db607be0 R08: 0000000002080020 R09: ffff8801cc37f6a8 R10: ffff88021fffd010 R11: 000000fe7063d918 R12: 0000000000000000 R13: ffff8801d1cb55f0 R14: ffff8801cc37f680 R15: ffff8801d1cb5644 FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000e000 CR3: 00000001d7876000 CR4: 00000000001606b0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Stack: ffff8801cc37f680 ffff8801d1cb55f0 ffff8801cc37f6f8 ffff880102080020 0000048000005580 0000000000000480 ffff8801d1cb5400 ffff8801cc37f680 0000000000005580 ffff8801cc37f6b4 ffff8801db607c30 ffffffff8253e775 Call Trace: [ 1091.133405] [<00000000371e286f>] tcp_write_wakeup+0x345/0x5b0 net/ipv4/tcp_output.c:3613 [<0000000063389db0>] tcp_send_probe0+0x4b/0x400 net/ipv4/tcp_output.c:3641 [<000000003fcabaff>] tcp_probe_timer net/ipv4/tcp_timer.c:379 [inline] [<000000003fcabaff>] tcp_write_timer_handler+0x6a0/0x7a0 net/ipv4/tcp_timer.c:596 [<00000000d06b3436>] tcp_write_timer+0xc5/0x190 net/ipv4/tcp_timer.c:610 [<0000000032fc4fdd>] call_timer_fn+0x167/0x6d0 kernel/time/timer.c:1319 [<0000000029ee47a9>] expire_timers+0x25b/0x5c0 kernel/time/timer.c:1359 [<00000000b2b646d4>] __run_timers kernel/time/timer.c:1674 [inline] [<00000000b2b646d4>] run_timer_softirq+0x1ff/0x620 kernel/time/timer.c:1687 [<00000000b70cadd1>] __do_softirq+0x22d/0x964 kernel/softirq.c:288 [<00000000e6ad4c86>] invoke_softirq kernel/softirq.c:368 [inline] [<00000000e6ad4c86>] irq_exit+0x119/0x160 kernel/softirq.c:409 [<00000000b1c178bd>] exiting_irq arch/x86/include/asm/apic.h:669 [inline] [<00000000b1c178bd>] smp_apic_timer_interrupt+0x7e/0xb0 arch/x86/kernel/apic/apic.c:962 [<000000009d0ae1d8>] apic_timer_interrupt+0xa5/0xb0 arch/x86/entry/entry_64.S:653 [ 1091.283579] [<00000000c3983217>] ? native_safe_halt+0x41/0x60 arch/x86/include/asm/irqflags.h:59 [<00000000b6d673aa>] arch_safe_halt arch/x86/include/asm/paravirt.h:104 [inline] [<00000000b6d673aa>] default_idle+0x56/0x370 arch/x86/kernel/process.c:500 [<00000000e755a175>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:491 [<00000000427f8e64>] default_idle_call+0x36/0x60 kernel/sched/idle.c:97 [<00000000d3edcbca>] cpuidle_idle_call kernel/sched/idle.c:155 [inline] [<00000000d3edcbca>] cpu_idle_loop kernel/sched/idle.c:248 [inline] [<00000000d3edcbca>] cpu_startup_entry+0x283/0x3a0 kernel/sched/idle.c:303 [<0000000053dbfd29>] rest_init+0x18b/0x194 init/main.c:409 [<000000008a1683c1>] start_kernel+0x61e/0x652 init/main.c:671 [<00000000ef5bd6bb>] x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:196 [<000000006608c572>] x86_64_start_kernel+0x137/0x15a arch/x86/kernel/head64.c:177 Code: c1 ea 03 80 3c 02 00 0f 85 3a 01 00 00 4c 8b ab f8 01 00 00 ba 00 00 00 00 4c 3b 6d b8 4c 0f 44 ea e9 f9 fc ff ff e8 5a 75 df fe <0f> 0b e8 93 36 fd fe e9 6e f0 ff ff e8 89 36 fd fe e9 68 f3 ff RIP [<000000001bf722c8>] skb_queue_prev include/linux/skbuff.h:1294 [inline] RIP [<000000001bf722c8>] tcp_write_queue_prev include/net/tcp.h:1563 [inline] RIP [<000000001bf722c8>] tcp_rtx_queue_tail include/net/tcp.h:1616 [inline] RIP [<000000001bf722c8>] tcp_fragment+0x1266/0x1390 net/ipv4/tcp_output.c:1195 RSP ---[ end trace f1fec23c124bd326 ]---