My router fell off the internet. When I got home, I found a few hundred of these traces in the logs, and it refusing to route packets.
Oddly, it only prints a stack trace, and no clue as to why it printed that trace. There was also nothing in the log prior to this that indicates how it got that B taint flag. Dave [603360.306331] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 4.4.0-rc2-firewall+ #1 [603360.337025] ffff8801cd6ce000 ffff8801d7a06cf8 ffffffff9048b2f5 ffff8801d5e7e480 [603360.368282] ffff8801d7a06d28 ffffffff90229b0e ffff8801d5e7e480 ffffea000735b380 [603360.399125] ffff8801cd6ce000 ffff8801d5ff0fc0 ffff8801d7a06d50 ffffffff9022d3f6 [603360.429176] Call Trace: [603360.458052] <IRQ> [<ffffffff9048b2f5>] dump_stack+0x4e/0x79 [603360.487675] [<ffffffff90229b0e>] print_trailer+0xfe/0x160 [603360.517636] [<ffffffff9022d3f6>] object_err+0x36/0x40 [603360.546088] [<ffffffff90231300>] kasan_report_error+0x220/0x550 [603360.574215] [<ffffffff900e7df6>] ? __lock_acquire+0x896/0x2640 [603360.601980] [<ffffffff9023166b>] kasan_report+0x3b/0x40 [603360.629324] [<ffffffff900e7500>] ? debug_show_all_locks+0x180/0x1e0 [603360.656451] [<ffffffff90af9c10>] ? xfrm_lookup+0xf0/0x660 [603360.683140] [<ffffffff90230b8f>] __asan_load8+0x5f/0x70 [603360.709419] [<ffffffff90af9c10>] xfrm_lookup+0xf0/0x660 [603360.735602] [<ffffffff90af9b20>] ? __xfrm_sk_clone_policy+0xc0/0xc0 [603360.761639] [<ffffffff904bbc27>] ? debug_smp_processor_id+0x17/0x20 [603360.787360] [<ffffffff900b628a>] ? preempt_count_sub+0x1a/0x130 [603360.812995] [<ffffffff900e1dd6>] ? __lock_is_held+0x46/0xd0 [603360.838501] [<ffffffff90231049>] ? memset+0x29/0x30 [603360.863983] [<ffffffff909bf6a4>] nf_xfrm_me_harder+0x114/0x2d0 [603360.889656] [<ffffffff909bf590>] ? __nf_nat_l4proto_find+0x80/0x80 [603360.915558] [<ffffffff90ae40e0>] ? nf_nat_ipv4_fn+0x290/0x2e0 [603360.941462] [<ffffffff90aea600>] ? iptable_nat_ipv4_fn+0x20/0x20 [603360.967401] [<ffffffff90ae43c4>] nf_nat_ipv4_out+0x184/0x220 [603360.993433] [<ffffffff90aea670>] ? iptable_nat_ipv4_local_fn+0x20/0x20 [603361.019595] [<ffffffff90aea685>] iptable_nat_ipv4_out+0x15/0x20 [603361.045888] [<ffffffff90992bb2>] nf_iterate+0xd2/0xf0 [603361.072191] [<ffffffff90992d0a>] nf_hook_slow+0x13a/0x240 [603361.098581] [<ffffffff90992bd5>] ? nf_hook_slow+0x5/0x240 [603361.124834] [<ffffffff90992bd0>] ? nf_iterate+0xf0/0xf0 [603361.151104] [<ffffffff90231049>] ? memset+0x29/0x30 [603361.177243] [<ffffffff9091b442>] ? __alloc_skb+0x212/0x300 [603361.203134] [<ffffffff90a55e4d>] ip_output+0x1ad/0x210 [603361.228679] [<ffffffff90a55ca0>] ? ip_mc_output+0x460/0x460 [603361.254310] [<ffffffff90a55370>] ? ip_fragment.constprop.55+0x100/0x100 [603361.280199] [<ffffffff90a53713>] ip_local_out+0x63/0xb0 [603361.306122] [<ffffffff90a539eb>] ip_build_and_send_pkt+0x28b/0x3a0 [603361.332270] [<ffffffff90a8d9e2>] tcp_v4_send_synack+0x112/0x190 [603361.358528] [<ffffffff90a8d8d0>] ? tcp_v4_send_check+0x50/0x50 [603361.384745] [<ffffffff90a5d1ad>] ? inet_ehash_insert+0x1dd/0x280 [603361.410437] [<ffffffff90a7ce6a>] tcp_conn_request+0x113a/0x12b0 [603361.435741] [<ffffffff9098b7d0>] ? netlink_has_listeners+0x150/0x220 [603361.460943] [<ffffffff9098b6b7>] ? netlink_has_listeners+0x37/0x220 [603361.485599] [<ffffffff90a7bd30>] ? inet_reqsk_alloc+0x150/0x150 [603361.510179] [<ffffffff900e4908>] ? mark_lock+0x78/0x8e0 [603361.534585] [<ffffffff900e4908>] ? mark_lock+0x78/0x8e0 [603361.558608] [<ffffffff900e0000>] ? percpu_down_read_trylock+0x60/0xb0 [603361.582983] [<ffffffff900e7df6>] ? __lock_acquire+0x896/0x2640 [603361.607459] [<ffffffff900e1dd6>] ? __lock_is_held+0x46/0xd0 [603361.631958] [<ffffffff90a8b9b2>] tcp_v4_conn_request+0xa2/0x100 [603361.656480] [<ffffffff90b63ea4>] tcp_v6_conn_request+0x114/0x120 [603361.680930] [<ffffffff90a7a4f0>] tcp_rcv_state_process+0x390/0x1a80 [603361.705533] [<ffffffff90a7a160>] ? tcp_finish_connect+0x200/0x200 [603361.730243] [<ffffffff90964419>] ? sk_filter+0x189/0x370 [603361.754986] [<ffffffff9096431d>] ? sk_filter+0x8d/0x370 [603361.779605] [<ffffffff90964290>] ? bpf_skb_store_bytes+0x480/0x480 [603361.804405] [<ffffffff90a5c7a5>] ? __inet_lookup_listener+0x5/0x420 [603361.829127] [<ffffffff90a8cae2>] tcp_v4_do_rcv+0x162/0x3b0 [603361.853660] [<ffffffff90a8f417>] tcp_v4_rcv+0x1117/0x1380 [603361.877999] [<ffffffff90a4a387>] ip_local_deliver_finish+0x157/0x500 [603361.902445] [<ffffffff90a4a2ad>] ? ip_local_deliver_finish+0x7d/0x500 [603361.926905] [<ffffffff90a4b1c2>] ip_local_deliver+0xd2/0x170 [603361.951315] [<ffffffff90a4b0f0>] ? ip_call_ra_chain+0x270/0x270 [603361.975613] [<ffffffff90a4a230>] ? inet_del_offload+0x40/0x40 [603361.999726] [<ffffffff90a4a859>] ip_rcv_finish+0x129/0x750 [603362.023793] [<ffffffff90a4b746>] ip_rcv+0x4e6/0x720 [603362.047137] [<ffffffff90a4b260>] ? ip_local_deliver+0x170/0x170 [603362.069940] [<ffffffff90bb03bf>] ? packet_rcv_spkt+0x19f/0x1e0 [603362.092671] [<ffffffff90a4a730>] ? ip_local_deliver_finish+0x500/0x500 [603362.115505] [<ffffffff90bb03bf>] ? packet_rcv_spkt+0x19f/0x1e0 [603362.138080] [<ffffffff90a4b260>] ? ip_local_deliver+0x170/0x170 [603362.160542] [<ffffffff9093415f>] __netif_receive_skb_core+0x81f/0x1000 [603362.183021] [<ffffffff90bb0220>] ? packet_setsockopt+0x1260/0x1260 [603362.205603] [<ffffffff90933940>] ? __netdev_printk+0x2d0/0x2d0 [603362.228193] [<ffffffff900e5194>] ? mark_held_locks+0x24/0xd0 [603362.250707] [<ffffffff90124169>] ? ktime_get_with_offset+0x119/0x280 [603362.273297] [<ffffffff90934967>] __netif_receive_skb+0x27/0xb0 [603362.295803] [<ffffffff904bbc27>] ? debug_smp_processor_id+0x17/0x20 [603362.318343] [<ffffffff90936051>] netif_receive_skb_internal+0xd1/0x2a0 [603362.341056] [<ffffffff90936005>] ? netif_receive_skb_internal+0x85/0x2a0 [603362.363888] [<ffffffff90935f80>] ? netif_rx_internal+0x3e0/0x3e0 [603362.386617] [<ffffffff909364fb>] ? dev_gro_receive+0xbb/0x7f0 [603362.409379] [<ffffffff909366f9>] ? dev_gro_receive+0x2b9/0x7f0 [603362.431953] [<ffffffff9010620c>] ? rcu_read_lock_sched_held+0x8c/0xa0 [603362.454630] [<ffffffff900e1db8>] ? __lock_is_held+0x28/0xd0 [603362.477325] [<ffffffff9093e37c>] napi_gro_receive+0x15c/0x220 [603362.499994] [<ffffffff908145ed>] rtl8169_poll+0x49d/0xb70 [603362.522636] [<ffffffff900e7560>] ? debug_show_all_locks+0x1e0/0x1e0 [603362.545398] [<ffffffff9093f09b>] net_rx_action+0x41b/0x6a0 [603362.568169] [<ffffffff9093ec80>] ? napi_complete_done+0x100/0x100 [603362.591025] [<ffffffff900e1db8>] ? __lock_is_held+0x28/0xd0 [603362.613788] [<ffffffff90078082>] __do_softirq+0x1b2/0x5c0 [603362.636446] [<ffffffff900786dc>] irq_exit+0xfc/0x110 [603362.658984] [<ffffffff90c12b32>] do_IRQ+0x82/0x160 [603362.681520] [<ffffffff90c11206>] common_interrupt+0x86/0x86 [603362.704211] <EOI> [<ffffffff908dfd97>] ? cpuidle_enter_state+0x1c7/0x460 [603362.727392] [<ffffffff908dfd92>] ? cpuidle_enter_state+0x1c2/0x460 [603362.750765] [<ffffffff90108199>] ? rcu_eqs_enter_common+0x139/0x280 [603362.774174] [<ffffffff908e0097>] cpuidle_enter+0x17/0x20 [603362.797572] [<ffffffff900dcc92>] cpu_startup_entry+0x4d2/0x5b0 [603362.821031] [<ffffffff900dc7c0>] ? default_idle_call+0x60/0x60 [603362.844456] [<ffffffff9012e624>] ? clockevents_config_and_register+0x64/0x70 [603362.868046] [<ffffffff9004d635>] ? setup_APIC_timer+0x115/0x120 [603362.891633] [<ffffffff9004bcca>] start_secondary+0x23a/0x2a0 [603362.915171] [<ffffffff9004ba90>] ? set_cpu_sibling_map+0x9c0/0x9c0 [603364.686891] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 4.4.0-rc2-firewall+ #1 [603364.714736] 0000000000000002 ffff8801d7a06cd0 ffffffff9048b2f5 ffff8801d5e7e480 [603364.742659] ffff8801d7a06d00 ffffffff90229b0e ffff8801d5e7e480 ffffea000735b380 [603364.770822] ffff8801cd6ce000 ffff8801d5ff0fc0 ffff8801d7a06d28 ffffffff9022d3f6 [603364.799253] Call Trace: [603364.827237] <IRQ> [<ffffffff9048b2f5>] dump_stack+0x4e/0x79 [603364.855564] [<ffffffff90229b0e>] print_trailer+0xfe/0x160 [603364.884217] [<ffffffff9022d3f6>] object_err+0x36/0x40 [603364.912493] [<ffffffff90231300>] kasan_report_error+0x220/0x550 [603364.941148] [<ffffffff9023166b>] kasan_report+0x3b/0x40 [603364.969161] [<ffffffff90c0fe00>] ? _raw_write_lock+0x70/0x80 [603364.996735] [<ffffffff90af64e1>] ? xfrm_sk_policy_lookup+0x31/0xc0 [603365.024007] [<ffffffff90230b8f>] __asan_load8+0x5f/0x70 [603365.050867] [<ffffffff90af64e1>] xfrm_sk_policy_lookup+0x31/0xc0 [603365.077453] [<ffffffff90af9c3c>] xfrm_lookup+0x11c/0x660 [603365.103600] [<ffffffff90af9b20>] ? __xfrm_sk_clone_policy+0xc0/0xc0 [603365.129627] [<ffffffff904bbc27>] ? debug_smp_processor_id+0x17/0x20 [603365.155339] [<ffffffff900b628a>] ? preempt_count_sub+0x1a/0x130 [603365.180964] [<ffffffff900e1dd6>] ? __lock_is_held+0x46/0xd0 [603365.206460] [<ffffffff90231049>] ? memset+0x29/0x30 [603365.231921] [<ffffffff909bf6a4>] nf_xfrm_me_harder+0x114/0x2d0 [603365.257572] [<ffffffff909bf590>] ? __nf_nat_l4proto_find+0x80/0x80 [603365.283448] [<ffffffff90ae40e0>] ? nf_nat_ipv4_fn+0x290/0x2e0 [603365.309325] [<ffffffff90aea600>] ? iptable_nat_ipv4_fn+0x20/0x20 [603365.335229] [<ffffffff90ae43c4>] nf_nat_ipv4_out+0x184/0x220 [603365.361221] [<ffffffff90aea670>] ? iptable_nat_ipv4_local_fn+0x20/0x20 [603365.387332] [<ffffffff90aea685>] iptable_nat_ipv4_out+0x15/0x20 [603365.413557] [<ffffffff90992bb2>] nf_iterate+0xd2/0xf0 [603365.439814] [<ffffffff90992d0a>] nf_hook_slow+0x13a/0x240 [603365.466143] [<ffffffff90992bd5>] ? nf_hook_slow+0x5/0x240 [603365.492333] [<ffffffff90992bd0>] ? nf_iterate+0xf0/0xf0 [603365.518524] [<ffffffff90231049>] ? memset+0x29/0x30 [603365.544605] [<ffffffff9091b442>] ? __alloc_skb+0x212/0x300 [603365.570444] [<ffffffff90a55e4d>] ip_output+0x1ad/0x210 [603365.595938] [<ffffffff90a55ca0>] ? ip_mc_output+0x460/0x460 [603365.621511] [<ffffffff90a55370>] ? ip_fragment.constprop.55+0x100/0x100 [603365.647367] [<ffffffff90a53713>] ip_local_out+0x63/0xb0 [603365.673256] [<ffffffff90a539eb>] ip_build_and_send_pkt+0x28b/0x3a0 [603365.699370] [<ffffffff90a8d9e2>] tcp_v4_send_synack+0x112/0x190 [603365.725584] [<ffffffff90a8d8d0>] ? tcp_v4_send_check+0x50/0x50 [603365.751758] [<ffffffff90a5d1ad>] ? inet_ehash_insert+0x1dd/0x280 [603365.777424] [<ffffffff90a7ce6a>] tcp_conn_request+0x113a/0x12b0 [603365.802676] [<ffffffff9098b7d0>] ? netlink_has_listeners+0x150/0x220 [603365.827835] [<ffffffff9098b6b7>] ? netlink_has_listeners+0x37/0x220 [603365.852473] [<ffffffff90a7bd30>] ? inet_reqsk_alloc+0x150/0x150 [603365.877037] [<ffffffff900e4908>] ? mark_lock+0x78/0x8e0 [603365.901425] [<ffffffff900e4908>] ? mark_lock+0x78/0x8e0 [603365.925447] [<ffffffff900e0000>] ? percpu_down_read_trylock+0x60/0xb0 [603365.949812] [<ffffffff900e7df6>] ? __lock_acquire+0x896/0x2640 [603365.974286] [<ffffffff900e1dd6>] ? __lock_is_held+0x46/0xd0 [603365.998760] [<ffffffff90a8b9b2>] tcp_v4_conn_request+0xa2/0x100 [603366.023272] [<ffffffff90b63ea4>] tcp_v6_conn_request+0x114/0x120 [603366.047750] [<ffffffff90a7a4f0>] tcp_rcv_state_process+0x390/0x1a80 [603366.072377] [<ffffffff90a7a160>] ? tcp_finish_connect+0x200/0x200 [603366.097116] [<ffffffff90964419>] ? sk_filter+0x189/0x370 [603366.121893] [<ffffffff9096431d>] ? sk_filter+0x8d/0x370 [603366.146556] [<ffffffff90964290>] ? bpf_skb_store_bytes+0x480/0x480 [603366.171323] [<ffffffff90a5c7a5>] ? __inet_lookup_listener+0x5/0x420 [603366.196090] [<ffffffff90a8cae2>] tcp_v4_do_rcv+0x162/0x3b0 [603366.220689] [<ffffffff90a8f417>] tcp_v4_rcv+0x1117/0x1380 [603366.245112] [<ffffffff90a4a387>] ip_local_deliver_finish+0x157/0x500 [603366.269633] [<ffffffff90a4a2ad>] ? ip_local_deliver_finish+0x7d/0x500 [603366.294162] [<ffffffff90a4b1c2>] ip_local_deliver+0xd2/0x170 [603366.318641] [<ffffffff90a4b0f0>] ? ip_call_ra_chain+0x270/0x270 [603366.343022] [<ffffffff90a4a230>] ? inet_del_offload+0x40/0x40 [603366.367222] [<ffffffff90a4a859>] ip_rcv_finish+0x129/0x750 [603366.391359] [<ffffffff90a4b746>] ip_rcv+0x4e6/0x720 [603366.414770] [<ffffffff90a4b260>] ? ip_local_deliver+0x170/0x170 [603366.437649] [<ffffffff90bb03bf>] ? packet_rcv_spkt+0x19f/0x1e0 [603366.460413] [<ffffffff90a4a730>] ? ip_local_deliver_finish+0x500/0x500 [603366.483289] [<ffffffff90bb03bf>] ? packet_rcv_spkt+0x19f/0x1e0 [603366.505886] [<ffffffff90a4b260>] ? ip_local_deliver+0x170/0x170 [603366.528372] [<ffffffff9093415f>] __netif_receive_skb_core+0x81f/0x1000 [603366.550876] [<ffffffff90bb0220>] ? packet_setsockopt+0x1260/0x1260 [603366.573465] [<ffffffff90933940>] ? __netdev_printk+0x2d0/0x2d0 [603366.596044] [<ffffffff900e5194>] ? mark_held_locks+0x24/0xd0 [603366.618668] [<ffffffff90124169>] ? ktime_get_with_offset+0x119/0x280 [603366.641439] [<ffffffff90934967>] __netif_receive_skb+0x27/0xb0 [603366.664166] [<ffffffff904bbc27>] ? debug_smp_processor_id+0x17/0x20 [603366.686892] [<ffffffff90936051>] netif_receive_skb_internal+0xd1/0x2a0 [603366.709706] [<ffffffff90936005>] ? netif_receive_skb_internal+0x85/0x2a0 [603366.732640] [<ffffffff90935f80>] ? netif_rx_internal+0x3e0/0x3e0 [603366.755454] [<ffffffff909364fb>] ? dev_gro_receive+0xbb/0x7f0 [603366.778300] [<ffffffff909366f9>] ? dev_gro_receive+0x2b9/0x7f0 [603366.800949] [<ffffffff9010620c>] ? rcu_read_lock_sched_held+0x8c/0xa0 [603366.823719] [<ffffffff900e1db8>] ? __lock_is_held+0x28/0xd0 [603366.846497] [<ffffffff9093e37c>] napi_gro_receive+0x15c/0x220 [603366.869250] [<ffffffff908145ed>] rtl8169_poll+0x49d/0xb70 [603366.891974] [<ffffffff900e7560>] ? debug_show_all_locks+0x1e0/0x1e0 [603366.914812] [<ffffffff9093f09b>] net_rx_action+0x41b/0x6a0 [603366.937659] [<ffffffff9093ec80>] ? napi_complete_done+0x100/0x100 [603366.960591] [<ffffffff900e1db8>] ? __lock_is_held+0x28/0xd0 [603366.983438] [<ffffffff90078082>] __do_softirq+0x1b2/0x5c0 [603367.006200] [<ffffffff900786dc>] irq_exit+0xfc/0x110 [603367.028844] [<ffffffff90c12b32>] do_IRQ+0x82/0x160 [603367.051483] [<ffffffff90c11206>] common_interrupt+0x86/0x86 [603367.074267] <EOI> [<ffffffff908dfd97>] ? cpuidle_enter_state+0x1c7/0x460 [603367.097551] [<ffffffff908dfd92>] ? cpuidle_enter_state+0x1c2/0x460 [603367.121008] [<ffffffff90108199>] ? rcu_eqs_enter_common+0x139/0x280 [603367.144510] [<ffffffff908e0097>] cpuidle_enter+0x17/0x20 [603367.168010] [<ffffffff900dcc92>] cpu_startup_entry+0x4d2/0x5b0 [603367.191562] [<ffffffff900dc7c0>] ? default_idle_call+0x60/0x60 [603367.215063] [<ffffffff9012e624>] ? clockevents_config_and_register+0x64/0x70 [603367.238730] [<ffffffff9004d635>] ? setup_APIC_timer+0x115/0x120 [603367.262403] [<ffffffff9004bcca>] start_secondary+0x23a/0x2a0 [603367.286025] [<ffffffff9004ba90>] ? set_cpu_sibling_map+0x9c0/0x9c0 [603368.887100] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 4.4.0-rc2-firewall+ #1 [603368.916052] ffff8801cd6cfc30 ffff8801d7a06cf8 ffffffff9048b2f5 ffff8801d5e7e480 [603368.945336] ffff8801d7a06d28 ffffffff90229b0e ffff8801d5e7e480 ffffea000735b380 [603368.974712] ffff8801cd6cfc30 ffff8801d5ff0fc0 ffff8801d7a06d50 ffffffff9022d3f6 [603369.004002] Call Trace: [603369.032886] <IRQ> [<ffffffff9048b2f5>] dump_stack+0x4e/0x79 [603369.062251] [<ffffffff90229b0e>] print_trailer+0xfe/0x160 [603369.091684] [<ffffffff9022d3f6>] object_err+0x36/0x40 [603369.120844] [<ffffffff90231300>] kasan_report_error+0x220/0x550 [603369.149884] [<ffffffff900e7605>] ? __lock_acquire+0xa5/0x2640 [603369.179017] [<ffffffff9023166b>] kasan_report+0x3b/0x40 [603369.208365] [<ffffffff900e7500>] ? debug_show_all_locks+0x180/0x1e0 [603369.237725] [<ffffffff90af9c10>] ? xfrm_lookup+0xf0/0x660 [603369.266874] [<ffffffff90230b8f>] __asan_load8+0x5f/0x70 [603369.296221] [<ffffffff90af9c10>] xfrm_lookup+0xf0/0x660 [603369.325235] [<ffffffff90af9b20>] ? __xfrm_sk_clone_policy+0xc0/0xc0 [603369.354664] [<ffffffff90960fa0>] ? inet_proto_csum_replace4+0x30/0x100 [603369.383749] [<ffffffff901063d6>] ? debug_lockdep_rcu_enabled+0x26/0x40 [603369.412507] [<ffffffff90231049>] ? memset+0x29/0x30 [603369.440792] [<ffffffff90aefc13>] ? _decode_session4+0x2e3/0x920 [603369.468801] [<ffffffff90afa2c2>] ? __xfrm_decode_session+0x52/0xb0 [603369.496479] [<ffffffff909bf6a4>] nf_xfrm_me_harder+0x114/0x2d0 [603369.523813] [<ffffffff909bf590>] ? __nf_nat_l4proto_find+0x80/0x80 [603369.550941] [<ffffffff90ae40e0>] ? nf_nat_ipv4_fn+0x290/0x2e0 [603369.577783] [<ffffffff90aea600>] ? iptable_nat_ipv4_fn+0x20/0x20 [603369.604565] [<ffffffff90ae43c4>] nf_nat_ipv4_out+0x184/0x220 [603369.631236] [<ffffffff90aea670>] ? iptable_nat_ipv4_local_fn+0x20/0x20 [603369.658166] [<ffffffff90aea685>] iptable_nat_ipv4_out+0x15/0x20 [603369.685148] [<ffffffff90992bb2>] nf_iterate+0xd2/0xf0 [603369.712260] [<ffffffff90992d0a>] nf_hook_slow+0x13a/0x240 [603369.739371] [<ffffffff90992bd5>] ? nf_hook_slow+0x5/0x240 [603369.766415] [<ffffffff90992bd0>] ? nf_iterate+0xf0/0xf0 [603369.793467] [<ffffffff90231049>] ? memset+0x29/0x30 [603369.820397] [<ffffffff9091b442>] ? __alloc_skb+0x212/0x300 [603369.847460] [<ffffffff90a55e4d>] ip_output+0x1ad/0x210 [603369.874496] [<ffffffff90a55ca0>] ? ip_mc_output+0x460/0x460 [603369.901655] [<ffffffff90a55370>] ? ip_fragment.constprop.55+0x100/0x100 [603369.928908] [<ffffffff90a53713>] ip_local_out+0x63/0xb0 [603369.956246] [<ffffffff90a539eb>] ip_build_and_send_pkt+0x28b/0x3a0 [603369.983645] [<ffffffff90a8d9e2>] tcp_v4_send_synack+0x112/0x190 [603370.010548] [<ffffffff90a8d8d0>] ? tcp_v4_send_check+0x50/0x50 [603370.037003] [<ffffffff90a5d1ad>] ? inet_ehash_insert+0x1dd/0x280 [603370.063232] [<ffffffff90a7ce6a>] tcp_conn_request+0x113a/0x12b0 [603370.089130] [<ffffffff9098b7d0>] ? netlink_has_listeners+0x150/0x220 [603370.114673] [<ffffffff9098b6b7>] ? netlink_has_listeners+0x37/0x220 [603370.139962] [<ffffffff90a7bd30>] ? inet_reqsk_alloc+0x150/0x150 [603370.165127] [<ffffffff900e7605>] ? __lock_acquire+0xa5/0x2640 [603370.190192] [<ffffffff900e7605>] ? __lock_acquire+0xa5/0x2640 [603370.215160] [<ffffffff900e7605>] ? __lock_acquire+0xa5/0x2640 [603370.239992] [<ffffffff900e0000>] ? percpu_down_read_trylock+0x60/0xb0 [603370.265067] [<ffffffff900e7605>] ? __lock_acquire+0xa5/0x2640 [603370.290098] [<ffffffff900e7560>] ? debug_show_all_locks+0x1e0/0x1e0 [603370.315159] [<ffffffff90a8b9b2>] tcp_v4_conn_request+0xa2/0x100 [603370.340156] [<ffffffff90b63ea4>] tcp_v6_conn_request+0x114/0x120 [603370.365010] [<ffffffff90a7a4f0>] tcp_rcv_state_process+0x390/0x1a80 [603370.389992] [<ffffffff90a7a160>] ? tcp_finish_connect+0x200/0x200 [603370.415057] [<ffffffff909643fc>] ? sk_filter+0x16c/0x370 [603370.440074] [<ffffffff90964419>] ? sk_filter+0x189/0x370 [603370.464795] [<ffffffff9096431d>] ? sk_filter+0x8d/0x370 [603370.489193] [<ffffffff90964290>] ? bpf_skb_store_bytes+0x480/0x480 [603370.513606] [<ffffffff90a5c7a5>] ? __inet_lookup_listener+0x5/0x420 [603370.538024] [<ffffffff90a8cae2>] tcp_v4_do_rcv+0x162/0x3b0 [603370.562343] [<ffffffff90a8f417>] tcp_v4_rcv+0x1117/0x1380 [603370.586494] [<ffffffff90992b56>] ? nf_iterate+0x76/0xf0 [603370.610469] [<ffffffff90a4a387>] ip_local_deliver_finish+0x157/0x500 [603370.634486] [<ffffffff90a4a2ad>] ? ip_local_deliver_finish+0x7d/0x500 [603370.658552] [<ffffffff90a4b1c2>] ip_local_deliver+0xd2/0x170 [603370.682006] [<ffffffff90a4b0f0>] ? ip_call_ra_chain+0x270/0x270 [603370.704803] [<ffffffff90a4a230>] ? inet_del_offload+0x40/0x40 [603370.727465] [<ffffffff90a4a859>] ip_rcv_finish+0x129/0x750 [603370.750031] [<ffffffff90a4b746>] ip_rcv+0x4e6/0x720 [603370.772174] [<ffffffff90a4b260>] ? ip_local_deliver+0x170/0x170 [603370.794292] [<ffffffff90bb03bf>] ? packet_rcv_spkt+0x19f/0x1e0 [603370.816308] [<ffffffff90a4a730>] ? ip_local_deliver_finish+0x500/0x500 [603370.838520] [<ffffffff90bb03bf>] ? packet_rcv_spkt+0x19f/0x1e0 [603370.860741] [<ffffffff90a4b260>] ? ip_local_deliver+0x170/0x170 [603370.882985] [<ffffffff9093415f>] __netif_receive_skb_core+0x81f/0x1000 [603370.905366] [<ffffffff90bb0220>] ? packet_setsockopt+0x1260/0x1260 [603370.927731] [<ffffffff90933940>] ? __netdev_printk+0x2d0/0x2d0 [603370.950068] [<ffffffff90936165>] ? netif_receive_skb_internal+0x1e5/0x2a0 [603370.972640] [<ffffffff90934967>] __netif_receive_skb+0x27/0xb0 [603370.995116] [<ffffffff90936051>] netif_receive_skb_internal+0xd1/0x2a0 [603371.017696] [<ffffffff90936005>] ? netif_receive_skb_internal+0x85/0x2a0 [603371.040319] [<ffffffff90935f80>] ? netif_rx_internal+0x3e0/0x3e0 [603371.062820] [<ffffffff909364fb>] ? dev_gro_receive+0xbb/0x7f0 [603371.085219] [<ffffffff909366f9>] ? dev_gro_receive+0x2b9/0x7f0 [603371.107422] [<ffffffff901063d6>] ? debug_lockdep_rcu_enabled+0x26/0x40 [603371.129712] [<ffffffff9093e37c>] napi_gro_receive+0x15c/0x220 [603371.151966] [<ffffffff908145ed>] rtl8169_poll+0x49d/0xb70 [603371.174184] [<ffffffff900e7560>] ? debug_show_all_locks+0x1e0/0x1e0 [603371.196516] [<ffffffff9093f09b>] net_rx_action+0x41b/0x6a0 [603371.218854] [<ffffffff9093ec80>] ? napi_complete_done+0x100/0x100 [603371.241270] [<ffffffff900e1db8>] ? __lock_is_held+0x28/0xd0 [603371.263585] [<ffffffff90078082>] __do_softirq+0x1b2/0x5c0 [603371.285813] [<ffffffff900786dc>] irq_exit+0xfc/0x110 [603371.307928] [<ffffffff90c12b32>] do_IRQ+0x82/0x160 [603371.330042] [<ffffffff90c11206>] common_interrupt+0x86/0x86 [603371.352301] <EOI> [<ffffffff908dfd97>] ? cpuidle_enter_state+0x1c7/0x460 [603371.375050] [<ffffffff908dfd92>] ? cpuidle_enter_state+0x1c2/0x460 [603371.397991] [<ffffffff90108199>] ? rcu_eqs_enter_common+0x139/0x280 [603371.420965] [<ffffffff908e0097>] cpuidle_enter+0x17/0x20 [603371.443940] [<ffffffff900dcc92>] cpu_startup_entry+0x4d2/0x5b0 [603371.466983] [<ffffffff900dc7c0>] ? default_idle_call+0x60/0x60 [603371.489969] [<ffffffff9012e624>] ? clockevents_config_and_register+0x64/0x70 [603371.513111] [<ffffffff9004d635>] ? setup_APIC_timer+0x115/0x120 [603371.536268] [<ffffffff9004bcca>] start_secondary+0x23a/0x2a0 [603371.559382] [<ffffffff9004ba90>] ? set_cpu_sibling_map+0x9c0/0x9c0 [603373.326310] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 4.4.0-rc2-firewall+ #1 [603373.354180] ffff8801cd6ce000 ffff8801d7a06eb0 ffffffff9048b2f5 ffff8801d5e7e480 [603373.382110] ffff8801d7a06ee0 ffffffff90229b0e ffff8801d5e7e480 ffffea000735b380 [603373.410099] ffff8801cd6ce000 ffff8801d5ff0fc0 ffff8801d7a06f08 ffffffff9022d3f6 [603373.438390] Call Trace: [603373.466226] <IRQ> [<ffffffff9048b2f5>] dump_stack+0x4e/0x79 [603373.494393] [<ffffffff90229b0e>] print_trailer+0xfe/0x160 [603373.522898] [<ffffffff9022d3f6>] object_err+0x36/0x40 [603373.551035] [<ffffffff90231300>] kasan_report_error+0x220/0x550 [603373.579535] [<ffffffff900e7605>] ? __lock_acquire+0xa5/0x2640 [603373.607597] [<ffffffff9023166b>] kasan_report+0x3b/0x40 [603373.635229] [<ffffffff90af9c10>] ? xfrm_lookup+0xf0/0x660 [603373.662465] [<ffffffff90230b8f>] __asan_load8+0x5f/0x70 [603373.689244] [<ffffffff90af9c10>] xfrm_lookup+0xf0/0x660 [603373.715595] [<ffffffff90af9b20>] ? __xfrm_sk_clone_policy+0xc0/0xc0 [603373.741749] [<ffffffff90960fa0>] ? inet_proto_csum_replace4+0x30/0x100 [603373.767715] [<ffffffff901063d6>] ? debug_lockdep_rcu_enabled+0x26/0x40 [603373.793448] [<ffffffff90231049>] ? memset+0x29/0x30 [603373.819008] [<ffffffff90aefc13>] ? _decode_session4+0x2e3/0x920 [603373.844595] [<ffffffff90afa2c2>] ? __xfrm_decode_session+0x52/0xb0 [603373.870302] [<ffffffff909bf6a4>] nf_xfrm_me_harder+0x114/0x2d0 [603373.896079] [<ffffffff909bf590>] ? __nf_nat_l4proto_find+0x80/0x80 [603373.922081] [<ffffffff90ae40e0>] ? nf_nat_ipv4_fn+0x290/0x2e0 [603373.948084] [<ffffffff90aea600>] ? iptable_nat_ipv4_fn+0x20/0x20 [603373.974097] [<ffffffff90ae43c4>] nf_nat_ipv4_out+0x184/0x220 [603374.000188] [<ffffffff90aea670>] ? iptable_nat_ipv4_local_fn+0x20/0x20 [603374.026425] [<ffffffff90aea685>] iptable_nat_ipv4_out+0x15/0x20 [603374.052773] [<ffffffff90992bb2>] nf_iterate+0xd2/0xf0 [603374.079138] [<ffffffff90992d0a>] nf_hook_slow+0x13a/0x240 [603374.105575] [<ffffffff90992bd5>] ? nf_hook_slow+0x5/0x240 [603374.131892] [<ffffffff90992bd0>] ? nf_iterate+0xf0/0xf0 [603374.158226] [<ffffffff90231049>] ? memset+0x29/0x30 [603374.184440] [<ffffffff9091b442>] ? __alloc_skb+0x212/0x300 [603374.210405] [<ffffffff90a55e4d>] ip_output+0x1ad/0x210 [603374.236016] [<ffffffff90a55ca0>] ? ip_mc_output+0x460/0x460 [603374.261722] [<ffffffff90a55370>] ? ip_fragment.constprop.55+0x100/0x100 [603374.287693] [<ffffffff90a53713>] ip_local_out+0x63/0xb0 [603374.313691] [<ffffffff90a539eb>] ip_build_and_send_pkt+0x28b/0x3a0 [603374.339914] [<ffffffff90a8d9e2>] tcp_v4_send_synack+0x112/0x190 [603374.366257] [<ffffffff90a8d8d0>] ? tcp_v4_send_check+0x50/0x50 [603374.392549] [<ffffffff904a46aa>] ? prandom_u32_state+0x8a/0xc0 [603374.418263] [<ffffffff900b628a>] ? preempt_count_sub+0x1a/0x130 [603374.443495] [<ffffffff90a873fd>] tcp_rtx_synack+0xdd/0x180 [603374.468495] [<ffffffff90a87320>] ? tcp_send_probe0+0x1a0/0x1a0 [603374.493148] [<ffffffff90ac0967>] ? fib_validate_source+0x317/0x8e0 [603374.517762] [<ffffffff90a7882d>] ? tcp_parse_options+0x50d/0x660 [603374.542261] [<ffffffff90a60bc7>] inet_rtx_syn_ack+0x47/0x70 [603374.566635] [<ffffffff90a9146d>] tcp_check_req+0x3ad/0x7d0 [603374.591171] [<ffffffff90a910c0>] ? tcp_create_openreq_child+0x920/0x920 [603374.616049] [<ffffffff900e7560>] ? debug_show_all_locks+0x1e0/0x1e0 [603374.641108] [<ffffffff901063d6>] ? debug_lockdep_rcu_enabled+0x26/0x40 [603374.666204] [<ffffffff90a8f093>] tcp_v4_rcv+0xd93/0x1380 [603374.691320] [<ffffffff90ae1e80>] ? ipv4_net_init+0xe0/0xe0 [603374.716521] [<ffffffff90992b56>] ? nf_iterate+0x76/0xf0 [603374.741755] [<ffffffff90a9d060>] ? raw_rcv+0x1a0/0x1a0 [603374.766985] [<ffffffff90a4a387>] ip_local_deliver_finish+0x157/0x500 [603374.792471] [<ffffffff90a4a2ad>] ? ip_local_deliver_finish+0x7d/0x500 [603374.817997] [<ffffffff90a4b1c2>] ip_local_deliver+0xd2/0x170 [603374.843477] [<ffffffff90a4b0f0>] ? ip_call_ra_chain+0x270/0x270 [603374.868817] [<ffffffff90a4a230>] ? inet_del_offload+0x40/0x40 [603374.893994] [<ffffffff90a4a859>] ip_rcv_finish+0x129/0x750 [603374.919075] [<ffffffff90a4b746>] ip_rcv+0x4e6/0x720 [603374.943995] [<ffffffff90a4b260>] ? ip_local_deliver+0x170/0x170 [603374.968973] [<ffffffff90bb03bf>] ? packet_rcv_spkt+0x19f/0x1e0 [603374.993843] [<ffffffff90a4a730>] ? ip_local_deliver_finish+0x500/0x500 [603375.018720] [<ffffffff90bb03bf>] ? packet_rcv_spkt+0x19f/0x1e0 [603375.043631] [<ffffffff90a4b260>] ? ip_local_deliver+0x170/0x170 [603375.067962] [<ffffffff9093415f>] __netif_receive_skb_core+0x81f/0x1000 [603375.091784] [<ffffffff90bb0220>] ? packet_setsockopt+0x1260/0x1260 [603375.115605] [<ffffffff90933940>] ? __netdev_printk+0x2d0/0x2d0 [603375.139383] [<ffffffff90936165>] ? netif_receive_skb_internal+0x1e5/0x2a0 [603375.163065] [<ffffffff90934967>] __netif_receive_skb+0x27/0xb0 [603375.186463] [<ffffffff90936051>] netif_receive_skb_internal+0xd1/0x2a0 [603375.209870] [<ffffffff90936005>] ? netif_receive_skb_internal+0x85/0x2a0 [603375.233416] [<ffffffff90935f80>] ? netif_rx_internal+0x3e0/0x3e0 [603375.256890] [<ffffffff909364fb>] ? dev_gro_receive+0xbb/0x7f0 [603375.280337] [<ffffffff909366f9>] ? dev_gro_receive+0x2b9/0x7f0 [603375.303597] [<ffffffff901063d6>] ? debug_lockdep_rcu_enabled+0x26/0x40 [603375.326979] [<ffffffff9093e37c>] napi_gro_receive+0x15c/0x220 [603375.350421] [<ffffffff908145ed>] rtl8169_poll+0x49d/0xb70 [603375.373879] [<ffffffff900e7560>] ? debug_show_all_locks+0x1e0/0x1e0 [603375.397424] [<ffffffff9093f09b>] net_rx_action+0x41b/0x6a0 [603375.420908] [<ffffffff9093ec80>] ? napi_complete_done+0x100/0x100 [603375.444436] [<ffffffff900e1db8>] ? __lock_is_held+0x28/0xd0 [603375.467869] [<ffffffff90078082>] __do_softirq+0x1b2/0x5c0 [603375.491249] [<ffffffff900786dc>] irq_exit+0xfc/0x110 [603375.514517] [<ffffffff90c12b32>] do_IRQ+0x82/0x160 [603375.537682] [<ffffffff90c11206>] common_interrupt+0x86/0x86 [603375.560896] <EOI> [<ffffffff908dfd97>] ? cpuidle_enter_state+0x1c7/0x460 [603375.584479] [<ffffffff908dfd92>] ? cpuidle_enter_state+0x1c2/0x460 [603375.608227] [<ffffffff90108199>] ? rcu_eqs_enter_common+0x139/0x280 [603375.631975] [<ffffffff908e0097>] cpuidle_enter+0x17/0x20 [603375.655585] [<ffffffff900dcc92>] cpu_startup_entry+0x4d2/0x5b0 [603375.679170] [<ffffffff900dc7c0>] ? default_idle_call+0x60/0x60 [603375.702707] [<ffffffff9012e624>] ? clockevents_config_and_register+0x64/0x70 [603375.726576] [<ffffffff9004d635>] ? setup_APIC_timer+0x115/0x120 [603375.750541] [<ffffffff9004bcca>] start_secondary+0x23a/0x2a0 [603375.774583] [<ffffffff9004ba90>] ? set_cpu_sibling_map+0x9c0/0x9c0 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html