[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 17.851040] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.036824] random: sshd: uninitialized urandom read (32 bytes read) [ 23.450558] random: sshd: uninitialized urandom read (32 bytes read) [ 24.259001] random: sshd: uninitialized urandom read (32 bytes read) [ 24.387960] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. [ 29.825010] random: sshd: uninitialized urandom read (32 bytes read) 2018/05/24 18:26:30 parsed 1 programs 2018/05/24 18:26:30 executed programs: 0 [ 30.436110] IPVS: Creating netns size=2536 id=1 [ 30.460373] IPVS: Creating netns size=2536 id=2 [ 30.476687] IPVS: Creating netns size=2536 id=3 [ 30.505121] IPVS: Creating netns size=2536 id=4 [ 30.543544] IPVS: Creating netns size=2536 id=5 [ 30.579421] IPVS: Creating netns size=2536 id=6 [ 30.613820] IPVS: Creating netns size=2536 id=7 [ 30.640087] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.664112] IPVS: Creating netns size=2536 id=8 [ 30.687492] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.703414] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.725458] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.751889] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.767693] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.809190] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.844293] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.863316] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 30.907516] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 30.921805] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 30.945302] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 30.961817] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 30.970607] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.978239] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.992255] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.004590] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.023081] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.039874] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.054843] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.074015] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.092144] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.107849] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.121389] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.129089] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.141937] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.154681] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.163389] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.176743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.194350] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.204258] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.214150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.227165] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.234972] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.251986] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.262187] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.273255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.282089] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.294894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.313381] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.321464] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.339341] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.349707] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.365607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.378684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.404155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.432918] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.451759] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.459265] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.477428] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.527195] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.550215] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.558194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.574951] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.585519] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.593403] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.603238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.619819] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.628068] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.638534] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.649708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.657253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.665663] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.673336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.683796] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.701533] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.712043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.722643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.734929] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.746614] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.755871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.766366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.783616] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.794095] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.803535] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.817904] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.833468] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.845257] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 33.201623] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.265943] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.278607] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.292446] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.326716] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.333360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.340532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.397484] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.413169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.420866] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.435558] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.450888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.457642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.471574] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.486820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.496111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.599344] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.614351] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.628022] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.724824] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.740597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.747323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.757058] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.768181] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.776927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.787928] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.802010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.808771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.842809] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.988365] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 34.002340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 34.009115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/05/24 18:26:35 executed programs: 38 [ 37.969619] TCP: out of memory -- consider tuning tcp_mem [ 38.059515] TCP: out of memory -- consider tuning tcp_mem [ 38.059550] TCP: out of memory -- consider tuning tcp_mem [ 38.089505] TCP: out of memory -- consider tuning tcp_mem [ 38.149520] TCP: out of memory -- consider tuning tcp_mem [ 38.191890] TCP: out of memory -- consider tuning tcp_mem [ 38.216514] TCP: out of memory -- consider tuning tcp_mem [ 38.249504] TCP: out of memory -- consider tuning tcp_mem [ 38.322352] TCP: out of memory -- consider tuning tcp_mem [ 38.349506] TCP: out of memory -- consider tuning tcp_mem [ 40.490507] ------------[ cut here ]------------ [ 40.495300] kernel BUG at net/core/skbuff.c:2237! [ 40.500139] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 40.505499] Dumping ftrace buffer: [ 40.509041] (ftrace buffer empty) [ 40.512753] Modules linked in: [ 40.516073] CPU: 0 PID: 7118 Comm: syz-executor4 Not tainted 4.9.102-gc5aceac #35 [ 40.523678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.533036] task: ffff8801d8e9c800 task.stack: ffff88019c450000 2018/05/24 18:26:40 executed programs: 279 [ 40.539087] RIP: 0010:[] [] skb_copy_and_csum_bits+0x670/0x7a0 [ 40.548687] RSP: 0018:ffff8801db207238 EFLAGS: 00010206 [ 40.554136] RAX: ffff8801d8e9c800 RBX: 000000003907c888 RCX: 1ffff10032c36059 [ 40.561559] RDX: 0000000000000100 RSI: ffffffff830363a0 RDI: ffff8801961b02c8 [ 40.568959] RBP: ffff8801db2072b8 R08: 0000000000000000 R09: 0000000000000000 [ 40.576220] R10: 000000000000003c R11: ffff8801b94f54df R12: 0000000000000000 [ 40.583489] R13: 0000000000000224 R14: 0000000000000000 R15: ffff8801961b02c0 [ 40.590755] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 40.599320] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 40.605195] CR2: 00000000209322d3 CR3: 000000000461e000 CR4: 00000000001606f0 [ 40.612463] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.619737] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.627001] Stack: [ 40.629175] ffffffff81298b23 ffff8801bac8cd44 ffffffff839fe4bb ffffffff8114b0b7 [ 40.637271] ffff8801bac8cd48 ffff8801b94f5268 3907c8880000003c 000001e80000003c [ 40.645323] 0000003c0000003c ffff8801bac8cc80 0000000000000000 ffff8801cc9aa9c0 [ 40.653432] Call Trace: [ 40.656002] [ 40.658071] [] ? call_timer_fn+0x163/0x6e0 [ 40.663992] [] ? __do_softirq+0x20b/0x937 [ 40.669808] [] ? irq_exit+0x147/0x190 [ 40.675259] [] icmp_glue_bits+0x7f/0x1d0 [ 40.680968] [] __ip_append_data.isra.49+0x1d15/0x2860 [ 40.687907] [] ? do_fast_syscall_32+0x5c3/0x870 [ 40.694224] [] ? entry_SYSENTER_compat+0x90/0xa2 [ 40.700629] [] ? icmp_push_reply+0x510/0x510 [ 40.706684] [] ? ip_generic_getfrag+0x1f0/0x1f0 [ 40.713011] [] ? ip_setup_cork+0x427/0x690 [ 40.718894] [] ip_append_data.part.51+0xe4/0x150 [ 40.725482] [] ? icmp_push_reply+0x510/0x510 [ 40.731545] [] ? icmp_push_reply+0x510/0x510 [ 40.737667] [] ip_append_data+0x68/0x80 [ 40.743273] [] icmp_push_reply+0x19e/0x510 [ 40.749133] [] icmp_send+0xaca/0x1430 [ 40.754561] [] ? icmp_route_lookup+0xf20/0xf20 [ 40.760767] [] ? nf_ct_expect_unregister_notifier+0x100/0x100 [ 40.768275] [] ? __lock_is_held+0xa2/0xf0 [ 40.774048] [] ? __lock_is_held+0xa2/0xf0 [ 40.779825] [] ip_fragment.constprop.56+0x1aa/0x200 [ 40.786472] [] ip_finish_output+0x741/0xac0 [ 40.792419] [] ip_output+0x1cd/0x550 [ 40.797755] [] ? ip_output+0x256/0x550 [ 40.803277] [] ? ip_mc_output+0xd50/0xd50 [ 40.809050] [] ? get_signal+0x4cf/0x1450 [ 40.814742] [] ? ip_fragment.constprop.56+0x200/0x200 [ 40.821569] [] ip_local_out+0x9b/0x180 [ 40.827103] [] ip_queue_xmit+0x897/0x1b60 [ 40.832878] [] ? ip_queue_xmit+0x3e/0x1b60 [ 40.838738] [] ? __tcp_v4_send_check+0x1c4/0x360 [ 40.845115] [] tcp_transmit_skb+0x168c/0x2e30 [ 40.851516] [] ? bictcp_cong_avoid+0xdf0/0xdf0 [ 40.857732] [] ? __tcp_select_window+0x510/0x510 [ 40.864116] [] ? tcp_adjust_pcount+0x29a/0x500 [ 40.870328] [] ? tcp_fragment_tstamp+0x2d8/0x330 [ 40.876706] [] ? tcp_fragment+0xcb8/0x1150 [ 40.882564] [] __tcp_retransmit_skb+0x42e/0x1cf0 [ 40.888963] [] ? bictcp_state+0x427/0x4f0 [ 40.894757] [] ? bictcp_cwnd_event+0x120/0x120 [ 40.900965] [] tcp_retransmit_skb+0x29/0x2a0 [ 40.906998] [] tcp_retransmit_timer+0x92a/0x2290 [ 40.913378] [] tcp_write_timer_handler+0x1f1/0x7a0 [ 40.919934] [] tcp_write_timer+0xc2/0x180 [ 40.925713] [] call_timer_fn+0x163/0x6e0 [ 40.931400] [] ? call_timer_fn+0xda/0x6e0 [ 40.937173] [] ? debug_object_deactivate+0x214/0x340 [ 40.944427] [] ? tcp_write_timer_handler+0x7a0/0x7a0 [ 40.951170] [] ? process_timeout+0x20/0x20 [ 40.957032] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 40.963334] [] ? tcp_write_timer_handler+0x7a0/0x7a0 [ 40.970074] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 40.976894] [] ? tcp_write_timer_handler+0x7a0/0x7a0 [ 40.983745] [] run_timer_softirq+0x1047/0x1590 [ 40.989964] [] ? clockevents_tick_resume+0x60/0x60 [ 40.996524] [] ? add_timer+0xca0/0xca0 [ 41.002039] [] ? check_preemption_disabled+0x3b/0x170 [ 41.008854] [] __do_softirq+0x20b/0x937 [ 41.014461] [] irq_exit+0x147/0x190 [ 41.019713] [] smp_apic_timer_interrupt+0x81/0xa0 [ 41.026178] [] apic_timer_interrupt+0xa0/0xb0 [ 41.032292] [ 41.034334] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 41.041261] [] debug_check_no_obj_freed+0x2ec/0x930 [ 41.047988] [] ? debug_object_activate+0x4e0/0x4e0 [ 41.054545] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.061360] [] __free_pages_ok+0x1dd/0x1610 [ 41.067331] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 41.074236] [] free_compound_page+0x5e/0x70 [ 41.080190] [] free_transhuge_page+0x99/0xc0 [ 41.086230] [] __put_compound_page+0x80/0xc0 [ 41.092611] [] release_pages+0x2f4/0x970 [ 41.098299] [] ? debug_check_no_obj_freed+0x2ec/0x930 [ 41.105114] [] ? __activate_page+0x790/0x790 [ 41.111153] [] ? check_preemption_disabled+0x3b/0x170 [ 41.117970] [] ? lru_add_drain_cpu+0x149/0x350 [ 41.124193] [] free_pages_and_swap_cache+0x117/0x160 [ 41.130928] [] tlb_flush_mmu_free+0xb4/0x150 [ 41.136974] [] tlb_flush_mmu+0x1d/0x20 [ 41.142487] [] zap_huge_pmd+0x404/0x860 [ 41.148086] [] unmap_page_range+0x12af/0x1730 [ 41.154220] [] ? vm_normal_page_pmd+0x2e0/0x2e0 [ 41.160522] [] unmap_single_vma+0x101/0x260 [ 41.166470] [] unmap_vmas+0x102/0x1d0 [ 41.171896] [] exit_mmap+0x214/0x3f0 [ 41.177247] [] ? SyS_munmap+0xa0/0xa0 [ 41.182680] [] mmput+0xf3/0x2d0 [ 41.187583] [] do_exit+0x906/0x27c0 [ 41.192835] [] ? debug_check_no_locks_freed+0x210/0x210 [ 41.199825] [] ? get_futex_key+0x1090/0x1090 [ 41.205858] [] ? release_task.part.19+0x1210/0x1210 [ 41.212506] [] ? debug_check_no_locks_freed+0x210/0x210 [ 41.219514] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 41.226425] [] ? recalc_sigpending+0x72/0x90 [ 41.232467] [] do_group_exit+0x111/0x340 [ 41.238241] [] get_signal+0x4cf/0x1450 [ 41.243754] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.250569] [] do_signal+0x87/0x19f0 [ 41.255909] [] ? fput+0xd2/0x140 [ 41.260899] [] ? SYSC_connect+0x22a/0x300 [ 41.266668] [] ? SYSC_bind+0x280/0x280 [ 41.272198] [] ? setup_sigcontext+0x7d0/0x7d0 [ 41.278334] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 41.285322] [] ? compat_SyS_setsockopt+0x18d/0x2a0 [ 41.291895] [] ? exit_to_usermode_loop+0xac/0x120 [ 41.298376] [] exit_to_usermode_loop+0xe1/0x120 [ 41.304675] [] do_fast_syscall_32+0x5c3/0x870 [ 41.310794] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.317446] [] entry_SYSENTER_compat+0x90/0xa2 [ 41.323649] Code: 00 00 4d 8b 24 24 44 8b 6d d0 4d 85 e4 0f 85 30 ff ff ff 8b 5d b4 e8 10 88 32 fe 8b 45 bc 85 c0 0f 84 94 fe ff ff e8 00 88 32 fe <0f> 0b 8b 5d b4 e9 85 fe ff ff c7 45 b0 00 00 00 00 e9 b6 fa ff [ 41.350613] RIP [] skb_copy_and_csum_bits+0x670/0x7a0 [ 41.357560] RSP [ 41.361209] ---[ end trace 285a44cd7ecedb2d ]--- [ 41.366216] Kernel panic - not syncing: Fatal exception in interrupt [ 41.373389] Dumping ftrace buffer: [ 41.377001] (ftrace buffer empty) [ 41.380683] Kernel Offset: disabled [ 41.384288] Rebooting in 86400 seconds..