------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:2626! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP Modules linked in: CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.14.0-rc2-00001-gd7ad33d #115 Hardware name: linux,dummy-virt (DT) task: ffff80003a901a80 task.stack: ffff80003a908000 PC is at skb_copy_and_csum_bits+0x8dc/0xae0 net/core/skbuff.c:2626 LR is at skb_copy_and_csum_bits+0x8dc/0xae0 net/core/skbuff.c:2626 pc : [] lr : [] pstate: 00000145 sp : ffff80003efd7b50 x29: ffff80003efd7b50 x28: 000000000000003c x27: 00000000000001e8 x26: ffff80003a901a90 x25: 000000000000003c x24: dfff200000000000 x23: ffff800035723a80 x22: 000000000000003c x21: 0000000000000000 x20: 0000000000000000 x19: 0000000000003a6d x18: ffff20000da58140 x17: 0000000000000000 x16: 0000000000000001 x15: ffff20000e1485a0 x14: ffff2000082f8980 x13: ffff200009fc73d0 x12: ffff200009fc707c x11: 1ffff00002c2a3fc x10: ffff100002c2a3fc x9 : dfff200000000000 x8 : 07030301a8ff1127 x7 : edff11270a080204 x6 : ffff800016151fe8 x5 : ffff100002c2a3fd x4 : 000000000000000c x3 : 0000000000000030 x2 : 1ffff00006ae47a1 x1 : 01f6cee936b5bc00 x0 : 0000000000000000 Process swapper/3 (pid: 0, stack limit = 0xffff80003a908000) Call trace: Exception stack(0xffff80003efd7a10 to 0xffff80003efd7b50) 7a00: 0000000000000000 01f6cee936b5bc00 7a20: 1ffff00006ae47a1 0000000000000030 000000000000000c ffff100002c2a3fd 7a40: ffff800016151fe8 edff11270a080204 07030301a8ff1127 dfff200000000000 7a60: ffff100002c2a3fc 1ffff00002c2a3fc ffff200009fc707c ffff200009fc73d0 7a80: ffff2000082f8980 ffff20000e1485a0 0000000000000001 0000000000000000 7aa0: ffff20000da58140 0000000000003a6d 0000000000000000 0000000000000000 7ac0: 000000000000003c ffff800035723a80 dfff200000000000 000000000000003c 7ae0: ffff80003a901a90 00000000000001e8 000000000000003c ffff80003efd7b50 7b00: ffff200009e03214 ffff80003efd7b50 ffff200009e03214 0000000000000145 7b20: 0000000000003a6d 0000000000000000 0001000000000000 000000000000003c 7b40: ffff80003efd7b50 ffff200009e03214 [] skb_copy_and_csum_bits+0x8dc/0xae0 net/core/skbuff.c:2626 [] icmp_glue_bits+0xa4/0x2a0 net/ipv4/icmp.c:357 [] __ip_append_data+0x10e4/0x20a8 net/ipv4/ip_output.c:1018 [] ip_append_data.part.3+0xe8/0x1a0 net/ipv4/ip_output.c:1170 [] ip_append_data+0xa4/0xb0 net/ipv4/ip_output.c:1173 [] icmp_push_reply+0x1b8/0x690 net/ipv4/icmp.c:375 [] icmp_send+0x1070/0x1890 net/ipv4/icmp.c:741 [] ip_fragment.constprop.4+0x208/0x340 net/ipv4/ip_output.c:552 [] ip_finish_output+0x3a8/0xab0 net/ipv4/ip_output.c:315 [] NF_HOOK_COND include/linux/netfilter.h:238 [inline] [] ip_output+0x284/0x790 net/ipv4/ip_output.c:405 [] dst_output include/net/dst.h:458 [inline] [] ip_local_out+0x9c/0x1b8 net/ipv4/ip_output.c:124 [] ip_queue_xmit+0x850/0x18e0 net/ipv4/ip_output.c:504 [] tcp_transmit_skb+0x107c/0x3338 net/ipv4/tcp_output.c:1123 [] __tcp_retransmit_skb+0x614/0x1d18 net/ipv4/tcp_output.c:2847 [] tcp_send_loss_probe+0x478/0x7d0 net/ipv4/tcp_output.c:2457 [] tcp_write_timer_handler+0x50c/0x7e8 net/ipv4/tcp_timer.c:557 [] tcp_write_timer+0x78/0x170 net/ipv4/tcp_timer.c:579 [] call_timer_fn+0x1b8/0x430 kernel/time/timer.c:1281 [] expire_timers+0x1d4/0x320 kernel/time/timer.c:1320 [] __run_timers kernel/time/timer.c:1620 [inline] [] run_timer_softirq+0x214/0x5f0 kernel/time/timer.c:1646 [] __do_softirq+0x350/0xc0c kernel/softirq.c:284 [] do_softirq_own_stack include/linux/interrupt.h:498 [inline] [] invoke_softirq kernel/softirq.c:371 [inline] [] irq_exit+0x1dc/0x2f8 kernel/softirq.c:405 [] __handle_domain_irq+0xdc/0x230 kernel/irq/irqdesc.c:647 [] handle_domain_irq include/linux/irqdesc.h:175 [inline] [] gic_handle_irq+0x6c/0xe0 drivers/irqchip/irq-gic.c:367 Exception stack(0xffff80003a90bb70 to 0xffff80003a90bcb0) bb60: ffff80003a90234c 0000000000000007 bb80: 0000000000000000 1ffff00007520469 1fffe400017ad00c dfff200000000000 bba0: dfff200000000000 0000000000000000 ffff80003a902350 1ffff00007520469 bbc0: ffff80003a902348 ffff80003a902368 1ffff0000752046c 1ffff0000752046e bbe0: 1ffff0000752046d ffff20000e1485a0 0000000000000000 0000000000000001 bc00: ffff20000da58140 ffff80003efd9800 ffff80003efd9800 ffff20000ae60000 bc20: ffff80003a971a80 1ffff000075217aa 0000000000000000 ffff20000ae60000 bc40: 0000000000000001 ffff20000a34fce0 0000dffff519f438 ffff80003a90bcb0 bc60: ffff20000a36134c ffff80003a90bcb0 ffff20000a361350 0000000010000145 bc80: ffff80003efd9800 ffff80003efd9800 ffffffffffffffff ffff80003efd9800 bca0: ffff80003a90bcb0 ffff20000a361350 [] el1_irq+0xb4/0x12c arch/arm64/kernel/entry.S:569 [] arch_local_irq_enable arch/arm64/include/asm/irqflags.h:40 [inline] [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] [] _raw_spin_unlock_irq+0x30/0x100 kernel/locking/spinlock.c:199 [] finish_lock_switch kernel/sched/sched.h:1335 [inline] [] finish_task_switch+0x1d8/0x950 kernel/sched/core.c:2657 [] context_switch kernel/sched/core.c:2793 [inline] [] __schedule+0x518/0x17b0 kernel/sched/core.c:3366 [] schedule_idle+0x58/0xc8 kernel/sched/core.c:3452 [] do_idle+0x1d8/0x370 kernel/sched/idle.c:269 [] cpu_startup_entry+0x20/0x28 kernel/sched/idle.c:351 [] secondary_start_kernel+0x2fc/0x498 arch/arm64/kernel/smp.c:280 Code: 97bcbfac 17fffe19 d503201f 97974258 (d4210000) ---[ end trace 3359b414c3a12466 ]---