[ 358.958105] ? kasan_check_read+0x11/0x20 [ 358.962780] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 358.968076] ? rcu_bh_qs+0xc0/0xc0 [ 358.971634] ? preempt_schedule+0x4d/0x60 [ 358.975809] ? ___preempt_schedule+0x16/0x18 [ 358.980235] ? bpf_test_run+0x1c0/0x5a0 [ 358.984218] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 358.989089] ? netlink_diag_dump+0x2a0/0x2a0 [ 358.993513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.999081] ? bpf_test_init.isra.9+0x70/0x100 [ 359.003669] ? bpf_prog_test_run_skb+0x634/0xb40 [ 359.008435] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 359.013276] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 359.018812] ? fput+0x130/0x1a0 [ 359.022095] ? __bpf_prog_get+0x9b/0x290 [ 359.026159] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 359.031000] ? bpf_prog_test_run+0x130/0x1a0 [ 359.035415] ? __x64_sys_bpf+0x3d8/0x510 [ 359.039479] ? bpf_prog_get+0x20/0x20 [ 359.043318] ? do_syscall_64+0x1b9/0x820 [ 359.047382] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 359.052755] ? syscall_return_slowpath+0x5e0/0x5e0 [ 359.057710] ? trace_hardirqs_off+0x300/0x300 [ 359.062211] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 359.067226] ? recalc_sigpending_tsk+0x180/0x180 [ 359.071980] ? kasan_check_write+0x14/0x20 [ 359.076224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.081080] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.086464] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 359.086566] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 359.093666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.093672] Call Trace: [ 359.093679] [ 359.093696] dump_stack+0x1c4/0x2b4 [ 359.093718] ? dump_stack_print_info.cold.2+0x52/0x52 [ 359.100260] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.109552] warn_alloc.cold.118+0xb7/0x1bd [ 359.112104] syz-executor4 cpuset= [ 359.114248] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.117849] syz4 [ 359.123037] ? lock_downgrade+0x900/0x900 [ 359.133506] mems_allowed=0 [ 359.137826] ? trace_hardirqs_off+0xb8/0x300 [ 359.159513] ? trace_hardirqs_off+0xb8/0x300 [ 359.163935] __alloc_pages_slowpath+0x2667/0x2d80 [ 359.168813] ? warn_alloc+0x120/0x120 [ 359.172621] ? warn_alloc+0x120/0x120 [ 359.176427] ? print_usage_bug+0xc0/0xc0 [ 359.180491] ? warn_alloc+0x120/0x120 [ 359.184305] ? print_usage_bug+0xc0/0xc0 [ 359.188369] ? __lock_acquire+0x7ec/0x4ec0 [ 359.192603] ? __lock_acquire+0x7ec/0x4ec0 [ 359.196842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.202383] ? should_fail+0x22d/0xd01 [ 359.206282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.211387] ? __lock_acquire+0x7ec/0x4ec0 [ 359.215628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.220729] ? __lock_acquire+0x7ec/0x4ec0 [ 359.224962] ? should_fail+0x22d/0xd01 [ 359.228860] ? mark_held_locks+0x130/0x130 [ 359.233106] ? mark_held_locks+0x130/0x130 [ 359.237342] ? graph_lock+0x170/0x170 [ 359.241147] ? graph_lock+0x170/0x170 [ 359.245043] ? graph_lock+0x170/0x170 [ 359.248867] ? print_usage_bug+0xc0/0xc0 [ 359.252931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.258476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.264029] ? check_preemption_disabled+0x48/0x200 [ 359.269053] ? check_preemption_disabled+0x48/0x200 [ 359.274097] ? __lock_is_held+0xb5/0x140 [ 359.278169] __alloc_pages_nodemask+0xa80/0xde0 [ 359.282851] ? graph_lock+0x170/0x170 [ 359.286669] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 359.291689] ? graph_lock+0x170/0x170 [ 359.295515] ? find_held_lock+0x36/0x1c0 [ 359.299603] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.304301] ? lock_downgrade+0x900/0x900 [ 359.308463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.314024] cache_grow_begin+0x91/0x8c0 [ 359.318092] ? do_raw_spin_unlock+0xa7/0x2f0 [ 359.322522] fallback_alloc+0x203/0x2e0 [ 359.326529] ____cache_alloc_node+0x1c7/0x1e0 [ 359.331059] kmem_cache_alloc_node+0xe3/0x730 [ 359.335572] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.339828] __alloc_skb+0x119/0x770 [ 359.343561] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.348853] ? skb_scrub_packet+0x490/0x490 [ 359.353189] ? lock_downgrade+0x900/0x900 [ 359.357366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.362957] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.368432] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.373895] ? addrconf_rs_timer+0x6f0/0x6f0 [ 359.378326] ndisc_alloc_skb+0x144/0x340 [ 359.382401] ndisc_send_rs+0x331/0x6e0 [ 359.386299] addrconf_rs_timer+0x3c0/0x6f0 [ 359.390548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.394801] call_timer_fn+0x272/0x920 [ 359.398693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.402930] ? process_timeout+0x40/0x40 [ 359.406987] ? find_held_lock+0x36/0x1c0 [ 359.411065] ? mark_held_locks+0xc7/0x130 [ 359.415239] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.419747] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.424248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.428504] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 359.433098] ? trace_hardirqs_on+0xbd/0x310 [ 359.437425] ? kasan_check_read+0x11/0x20 [ 359.441590] ? __run_timers+0x7da/0xc70 [ 359.445591] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.451062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.455318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.459569] __run_timers+0x7e5/0xc70 [ 359.463401] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 359.468786] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 359.473827] ? graph_lock+0x170/0x170 [ 359.477671] ? print_usage_bug+0xc0/0xc0 [ 359.481749] ? lock_release+0x970/0x970 [ 359.485738] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 359.490948] ? find_held_lock+0x36/0x1c0 [ 359.495022] ? graph_lock+0x170/0x170 [ 359.498833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.504375] ? check_preemption_disabled+0x48/0x200 [ 359.509408] ? __lock_is_held+0xb5/0x140 [ 359.513475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.519037] ? check_preemption_disabled+0x48/0x200 [ 359.524065] run_timer_softirq+0x52/0xb0 [ 359.528129] ? rcu_read_lock_sched_held+0x108/0x120 [ 359.533152] __do_softirq+0x30b/0xad8 [ 359.536968] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 359.542078] ? pvclock_read_flags+0x160/0x160 [ 359.546573] ? lapic_next_event+0x5a/0x90 [ 359.550722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.556258] ? check_preemption_disabled+0x48/0x200 [ 359.561272] ? check_preemption_disabled+0x48/0x200 [ 359.566299] ? kvm_clock_read+0x18/0x30 [ 359.570276] ? kvm_sched_clock_read+0x9/0x20 [ 359.574690] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.580230] ? check_preemption_disabled+0x48/0x200 [ 359.585291] irq_exit+0x17f/0x1c0 [ 359.588754] smp_apic_timer_interrupt+0x1cb/0x760 [ 359.593600] ? smp_reschedule_interrupt+0x109/0x650 [ 359.598623] ? smp_call_function_single_interrupt+0x650/0x650 [ 359.604521] ? interrupt_entry+0xb5/0xf0 [ 359.608587] ? trace_hardirqs_off_caller+0xbb/0x300 [ 359.613606] ? trace_hardirqs_off_caller+0xbb/0x300 [ 359.618623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.623472] ? trace_hardirqs_off+0x300/0x300 [ 359.627976] ? trace_hardirqs_off+0x300/0x300 [ 359.632476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.638041] ? check_preemption_disabled+0x48/0x200 [ 359.643390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.648930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.653786] apic_timer_interrupt+0xf/0x20 [ 359.658028] [ 359.660270] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 359.666162] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 359.685069] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 359.692787] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 359.700057] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 359.707324] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 359.714591] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 359.721860] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 359.729159] ? arch_local_irq_restore+0x45/0x52 [ 359.733843] dump_stack+0x26a/0x2b4 [ 359.737826] ? dump_stack_print_info.cold.2+0x52/0x52 [ 359.743026] ? mark_held_locks+0x130/0x130 [ 359.747267] ? mark_held_locks+0x130/0x130 [ 359.751518] dump_header+0x27b/0xf72 [ 359.755250] ? pagefault_out_of_memory+0x197/0x197 [ 359.760187] ? mark_held_locks+0x130/0x130 [ 359.764445] ? __lock_acquire+0x7ec/0x4ec0 [ 359.768685] ? print_usage_bug+0xc0/0xc0 [ 359.772754] ? graph_lock+0x170/0x170 [ 359.776553] ? graph_lock+0x170/0x170 [ 359.780355] ? print_usage_bug+0xc0/0xc0 [ 359.784413] ? print_usage_bug+0xc0/0xc0 [ 359.788488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.794055] ? find_held_lock+0x36/0x1c0 [ 359.798132] ? mark_held_locks+0xc7/0x130 [ 359.802285] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.807395] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.812506] ? lockdep_hardirqs_on+0x421/0x5c0 [ 359.817094] ? trace_hardirqs_on+0xbd/0x310 [ 359.821412] ? kasan_check_read+0x11/0x20 [ 359.825562] ? ___ratelimit+0x36f/0x655 [ 359.829544] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.835000] ? trace_hardirqs_on+0x310/0x310 [ 359.839415] ? lock_downgrade+0x900/0x900 [ 359.843574] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.848689] ? ___ratelimit+0xaa/0x655 [ 359.852597] ? idr_get_free+0xec0/0xec0 [ 359.856581] ? kasan_check_write+0x14/0x20 [ 359.860830] ? do_raw_spin_lock+0xc1/0x200 [ 359.865080] oom_kill_process.cold.27+0x10/0x903 [ 359.869843] ? graph_lock+0x170/0x170 [ 359.873646] ? _raw_spin_unlock+0x2c/0x50 [ 359.877803] ? oom_badness+0xe6/0xaa0 [ 359.881616] ? oom_evaluate_task+0x540/0x540 [ 359.886040] ? find_held_lock+0x36/0x1c0 [ 359.890117] ? out_of_memory+0x974/0x14c0 [ 359.894271] ? lock_downgrade+0x900/0x900 [ 359.898423] ? check_preemption_disabled+0x48/0x200 [ 359.903463] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 359.909280] ? kasan_check_read+0x11/0x20 [ 359.913439] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.918724] ? rcu_bh_qs+0xc0/0xc0 [ 359.922270] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 359.927292] ? oom_evaluate_task+0x302/0x540 [ 359.931708] out_of_memory+0xa86/0x14c0 [ 359.935699] ? oom_killer_disable+0x3a0/0x3a0 [ 359.940196] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 359.945128] ? __mutex_add_waiter+0x2a0/0x2a0 [ 359.949641] __alloc_pages_slowpath+0x2318/0x2d80 [ 359.954527] ? warn_alloc+0x120/0x120 [ 359.958334] ? lock_downgrade+0x900/0x900 [ 359.962508] ? print_usage_bug+0xc0/0xc0 [ 359.966577] ? warn_alloc+0x120/0x120 [ 359.970382] ? print_usage_bug+0xc0/0xc0 [ 359.974450] ? debug_check_no_obj_freed+0x305/0x58d [ 359.979468] ? print_usage_bug+0xc0/0xc0 [ 359.983543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.989083] ? should_fail+0x22d/0xd01 [ 359.992984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.998094] ? __lock_acquire+0x7ec/0x4ec0 [ 360.002358] ? __lock_is_held+0xb5/0x140 [ 360.006433] ? graph_lock+0x170/0x170 [ 360.010237] ? ___might_sleep+0x1ed/0x300 [ 360.014386] ? lock_release+0x970/0x970 [ 360.018366] ? arch_local_save_flags+0x40/0x40 [ 360.022959] ? __might_sleep+0x95/0x190 [ 360.026944] __alloc_pages_nodemask+0xa80/0xde0 [ 360.031617] ? graph_lock+0x170/0x170 [ 360.035446] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 360.040479] ? graph_lock+0x170/0x170 [ 360.044305] ? mark_held_locks+0xc7/0x130 [ 360.048454] ? find_held_lock+0x36/0x1c0 [ 360.052551] ? cache_grow_begin+0x5a4/0x8c0 [ 360.056902] ? lockdep_hardirqs_on+0x421/0x5c0 [ 360.061508] ? trace_hardirqs_on+0xbd/0x310 [ 360.065846] ? fallback_alloc+0x203/0x2e0 [ 360.070013] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.075493] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.081059] cache_grow_begin+0x91/0x8c0 [ 360.085132] ? do_raw_spin_unlock+0xa7/0x2f0 [ 360.089562] fallback_alloc+0x203/0x2e0 [ 360.093553] ____cache_alloc_node+0x1c7/0x1e0 [ 360.098063] kmem_cache_alloc_node_trace+0xe7/0x740 [ 360.103093] __kmalloc_node_track_caller+0x33/0x70 [ 360.108030] __kmalloc_reserve.isra.39+0x41/0xe0 [ 360.112793] __alloc_skb+0x155/0x770 [ 360.116519] ? skb_scrub_packet+0x490/0x490 [ 360.120850] ? if_nlmsg_size+0x5d1/0xbb0 [ 360.124917] ? nla_put_ifalias+0x170/0x170 [ 360.129168] ? softnet_seq_show+0x470/0x470 [ 360.133491] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 360.138525] ? netif_tx_stop_all_queues+0xd9/0x110 [ 360.143464] rtmsg_ifinfo_build_skb+0x74/0x190 [ 360.148063] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 360.152909] rtmsg_ifinfo+0x8c/0xa0 [ 360.156545] dev_close_many+0x3be/0x860 [ 360.160539] ? unlist_netdevice+0x670/0x670 [ 360.164864] ? find_held_lock+0x36/0x1c0 [ 360.168933] ? __queue_work+0x6be/0x1440 [ 360.172996] ? lock_downgrade+0x900/0x900 [ 360.177157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.182784] ? rtnl_is_locked+0xb5/0xf0 [ 360.186760] ? rtnl_trylock+0x20/0x20 [ 360.190561] ? do_raw_spin_unlock+0xa7/0x2f0 [ 360.194975] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 360.199571] rollback_registered_many+0x56e/0x1240 [ 360.204521] ? generic_xdp_install+0x4c0/0x4c0 [ 360.209112] ? max_active_store+0x170/0x170 [ 360.213440] ? graph_lock+0x170/0x170 [ 360.217242] ? print_usage_bug+0xc0/0xc0 [ 360.221302] ? print_usage_bug+0xc0/0xc0 [ 360.225367] ? kfree_skbmem+0x154/0x230 [ 360.229345] ? graph_lock+0x170/0x170 [ 360.233145] ? print_usage_bug+0xc0/0xc0 [ 360.237217] ? find_held_lock+0x36/0x1c0 [ 360.241291] ? mark_held_locks+0xc7/0x130 [ 360.245443] rollback_registered+0x1e9/0x420 [ 360.249856] ? lockdep_hardirqs_on+0x351/0x5c0 [ 360.254442] ? rollback_registered_many+0x1240/0x1240 [ 360.259632] ? trace_hardirqs_on+0xbd/0x310 [ 360.263959] ? linkwatch_schedule_work+0x150/0x170 [ 360.268898] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.274360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.280764] ? rtnl_is_locked+0xb5/0xf0 [ 360.284740] ? rtnl_trylock+0x20/0x20 [ 360.288549] ? queue_delayed_work_on+0x130/0x1f0 [ 360.293327] unregister_netdevice_queue+0x321/0x5e0 [ 360.298361] ? rollback_registered+0x420/0x420 [ 360.302947] ? linkwatch_schedule_work+0x170/0x170 [ 360.307877] ? tun_show_owner+0x170/0x170 [ 360.312032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.317582] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 360.322947] ? __tun_detach+0x6ba/0x15c0 [ 360.327024] __tun_detach+0x11b8/0x15c0 [ 360.331002] ? __call_rcu.constprop.69+0x429/0xbc0 [ 360.335965] ? tun_attach+0x1770/0x1770 [ 360.339946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.345484] ? check_preemption_disabled+0x48/0x200 [ 360.350546] ? graph_lock+0x170/0x170 [ 360.354356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.359910] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.365469] ? locks_remove_file+0x3c6/0x5c0 [ 360.369909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.375452] ? ima_file_free+0x132/0x650 [ 360.379529] ? __lock_is_held+0xb5/0x140 [ 360.383601] ? __tun_detach+0x15c0/0x15c0 [ 360.387756] ? __tun_detach+0x15c0/0x15c0 [ 360.391903] tun_chr_close+0xe3/0x180 [ 360.395716] __fput+0x385/0xa30 [ 360.399025] ? get_max_files+0x20/0x20 [ 360.402920] ? ___might_sleep+0x1ed/0x300 [ 360.407072] ? arch_local_save_flags+0x40/0x40 [ 360.411665] ____fput+0x15/0x20 [ 360.414945] task_work_run+0x1e8/0x2a0 [ 360.418838] ? task_work_cancel+0x240/0x240 [ 360.423168] ? switch_task_namespaces+0xb8/0xd0 [ 360.427864] do_exit+0x1ad7/0x2610 [ 360.431418] ? mm_update_next_owner+0x990/0x990 [ 360.436090] ? print_usage_bug+0xc0/0xc0 [ 360.440162] ? __lock_acquire+0x7ec/0x4ec0 [ 360.444398] ? find_held_lock+0x36/0x1c0 [ 360.448477] ? __lock_acquire+0x7ec/0x4ec0 [ 360.452722] ? mark_held_locks+0x130/0x130 [ 360.456978] ? lock_acquire+0x1ed/0x520 [ 360.460962] ? mark_held_locks+0x130/0x130 [ 360.465197] ? arch_local_save_flags+0x40/0x40 [ 360.469782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.475358] ? __mutex_lock+0x872/0x1710 [ 360.479433] ? __switch_to_asm+0x40/0x70 [ 360.483516] ? __switch_to_asm+0x34/0x70 [ 360.487594] ? pipe_wait+0x266/0x2c0 [ 360.491339] ? mutex_trylock+0x2b0/0x2b0 [ 360.495433] ? graph_lock+0x170/0x170 [ 360.499249] ? find_held_lock+0x36/0x1c0 [ 360.503323] ? memset+0x31/0x40 [ 360.506612] ? find_held_lock+0x36/0x1c0 [ 360.510706] ? get_signal+0x95b/0x1980 [ 360.514598] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.519095] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.523602] do_group_exit+0x177/0x440 [ 360.527504] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.532965] ? __ia32_sys_exit+0x50/0x50 [ 360.537045] get_signal+0x8b0/0x1980 [ 360.540773] ? ptrace_notify+0x130/0x130 [ 360.544842] ? finish_wait+0x430/0x430 [ 360.548730] ? graph_lock+0x170/0x170 [ 360.552546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.558086] ? pipe_read+0x702/0x940 [ 360.561800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.567347] do_signal+0x9c/0x21e0 [ 360.570892] ? __vfs_read+0x11f/0x9b0 [ 360.574699] ? vfs_copy_file_range+0xb90/0xb90 [ 360.579286] ? setup_sigcontext+0x7d0/0x7d0 [ 360.583627] ? exit_to_usermode_loop+0x8c/0x380 [ 360.588319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.593862] exit_to_usermode_loop+0x2e5/0x380 [ 360.598473] ? syscall_slow_exit_work+0x520/0x520 [ 360.603322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.608874] do_syscall_64+0x6be/0x820 [ 360.612761] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 360.618130] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.623060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.627906] ? trace_hardirqs_off+0x300/0x300 [ 360.632406] ? prepare_exit_to_usermode+0x291/0x3b0 [ 360.637431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.642283] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 360.647475] RIP: 0033:0x410e10 [ 360.650679] Code: Bad RIP value. [ 360.654043] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 360.661756] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 360.669029] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 360.676296] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 360.683563] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 360.690831] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 360.698124] warn_alloc_show_mem: 1 callbacks suppressed [ 360.698136] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 360.698138] Mem-Info: [ 360.698168] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 360.698168] active_file:19 inactive_file:16 isolated_file:0 [ 360.698168] unevictable:0 dirty:0 writeback:0 unstable:0 [ 360.698168] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 360.698168] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 360.698168] free:13785 free_pcp:397 free_cma:0 [ 360.703526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.710798] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 360.713196] Call Trace: [ 360.745981] Node 0 [ 360.755342] [ 360.783463] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 360.786050] dump_stack+0x1c4/0x2b4 [ 360.788254] lowmem_reserve[]: 0 [ 360.790411] ? dump_stack_print_info.cold.2+0x52/0x52 [ 360.815918] 2815 [ 360.819578] warn_alloc.cold.118+0xb7/0x1bd [ 360.822813] 6318 [ 360.828007] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.830042] 6318 [ 360.834360] ? lock_downgrade+0x900/0x900 [ 360.841234] ? trace_hardirqs_off+0xb8/0x300 [ 360.843270] Node 0 [ 360.847414] ? trace_hardirqs_off+0xb8/0x300 [ 360.851819] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 360.854028] __alloc_pages_slowpath+0x2667/0x2d80 [ 360.858407] lowmem_reserve[]: [ 360.885156] ? warn_alloc+0x120/0x120 [ 360.889945] 0 [ 360.893051] ? warn_alloc+0x120/0x120 [ 360.896817] 0 [ 360.898613] ? print_usage_bug+0xc0/0xc0 [ 360.902380] 3503 3503 [ 360.904190] ? warn_alloc+0x120/0x120 [ 360.910712] ? print_usage_bug+0xc0/0xc0 [ 360.914838] Node 0 Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 360.918923] ? __lock_acquire+0x7ec/0x4ec0 [ 360.918939] ? __lock_acquire+0x7ec/0x4ec0 [ 360.948081] lowmem_reserve[]: [ 360.952337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.956539] 0 [ 360.959649] ? should_fail+0x22d/0xd01 [ 360.965159] 0 [ 360.966967] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.970822] 0 [ 360.972624] ? __lock_acquire+0x7ec/0x4ec0 [ 360.977703] 0 [ 360.979530] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.985537] ? __lock_acquire+0x7ec/0x4ec0 [ 360.990613] Node 0 [ 360.994858] ? should_fail+0x22d/0xd01 [ 360.994868] DMA: [ 360.997114] ? mark_held_locks+0x130/0x130 [ 361.000968] 1*4kB [ 361.003032] ? mark_held_locks+0x130/0x130 [ 361.007329] (U) [ 361.009477] ? graph_lock+0x170/0x170 [ 361.013686] 0*8kB [ 361.015655] ? graph_lock+0x170/0x170 [ 361.019433] 0*16kB [ 361.021578] ? graph_lock+0x170/0x170 [ 361.025356] 1*32kB [ 361.027588] ? print_usage_bug+0xc0/0xc0 [ 361.031361] (U) [ 361.033594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.037630] 2*64kB [ 361.039602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.045111] (U) [ 361.047343] ? check_preemption_disabled+0x48/0x200 [ 361.052854] 1*128kB [ 361.054826] ? check_preemption_disabled+0x48/0x200 [ 361.059814] (U) [ 361.062139] ? __lock_is_held+0xb5/0x140 [ 361.067124] 1*256kB [ 361.069113] __alloc_pages_nodemask+0xa80/0xde0 [ 361.073147] (U) [ 361.075467] ? graph_lock+0x170/0x170 [ 361.080110] 0*512kB [ 361.082107] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 361.085880] 1*1024kB [ 361.088207] ? graph_lock+0x170/0x170 [ 361.093204] (U) [ 361.095637] ? find_held_lock+0x36/0x1c0 [ 361.099396] 1*2048kB [ 361.101383] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.105411] (M) [ 361.107833] ? lock_downgrade+0x900/0x900 [ 361.112470] 3*4096kB [ 361.114452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.118564] (M) [ 361.120976] cache_grow_begin+0x91/0x8c0 [ 361.126479] = 15908kB [ 361.126488] Node 0 [ 361.128474] ? do_raw_spin_unlock+0xa7/0x2f0 [ 361.132512] DMA32: [ 361.134934] fallback_alloc+0x203/0x2e0 [ 361.137141] 3*4kB [ 361.141547] ____cache_alloc_node+0x1c7/0x1e0 [ 361.143755] (M) [ 361.147727] kmem_cache_alloc_node+0xe3/0x730 [ 361.149850] 1*8kB [ 361.154340] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.156286] (M) [ 361.160786] __alloc_skb+0x119/0x770 [ 361.162909] 3*16kB [ 361.167140] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.169089] (UM) [ 361.172797] ? skb_scrub_packet+0x490/0x490 [ 361.175012] 3*32kB [ 361.180279] ? lock_downgrade+0x900/0x900 [ 361.182316] (UM) [ 361.186638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.188845] 2*64kB [ 361.192988] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.195024] (UM) [ 361.200576] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.202788] 5*128kB [ 361.208234] ? addrconf_rs_timer+0x6f0/0x6f0 [ 361.210267] (UM) [ 361.215729] ndisc_alloc_skb+0x144/0x340 [ 361.218026] 3*256kB [ 361.222427] ndisc_send_rs+0x331/0x6e0 [ 361.224465] (M) [ 361.228536] addrconf_rs_timer+0x3c0/0x6f0 [ 361.230830] 4*512kB [ 361.234715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.236664] (M) [ 361.240903] call_timer_fn+0x272/0x920 [ 361.243196] 3*1024kB [ 361.247423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.249375] (UM) [ 361.253260] ? process_timeout+0x40/0x40 [ 361.255648] 3*2048kB [ 361.259880] ? find_held_lock+0x36/0x1c0 [ 361.261919] (M) [ 361.265984] ? __run_timers+0x7da/0xc70 [ 361.268364] 3*4096kB [ 361.272556] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.274463] (M) [ 361.278433] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.280821] = 25252kB [ 361.285308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.287258] Node 0 [ 361.291746] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 361.294129] Normal: [ 361.298355] ? trace_hardirqs_on+0xbd/0x310 [ 361.300567] 1016*4kB [ 361.305141] ? kasan_check_read+0x11/0x20 [ 361.307441] (UME) [ 361.311757] ? __run_timers+0x7da/0xc70 [ 361.314142] 348*8kB [ 361.318286] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.320411] (UME) [ 361.324394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.326688] 167*16kB [ 361.332138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.334259] (UME) [ 361.338491] __run_timers+0x7e5/0xc70 [ 361.340882] 68*32kB [ 361.345123] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 361.347237] (UME) [ 361.351039] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 361.353337] 21*64kB [ 361.358788] ? graph_lock+0x170/0x170 [ 361.360917] (M) [ 361.365930] ? enqueue_hrtimer+0x1a5/0x560 [ 361.368229] 6*128kB [ 361.372024] ? lock_release+0x970/0x970 [ 361.373975] (UM) [ 361.378214] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 361.380527] 1*256kB [ 361.384505] ? find_held_lock+0x36/0x1c0 [ 361.386543] (U) [ 361.391735] ? graph_lock+0x170/0x170 [ 361.394032] 0*512kB 0*1024kB [ 361.398102] ? pvclock_read_flags+0x160/0x160 [ 361.400050] 0*2048kB [ 361.403850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.406928] 0*4096kB = 14064kB [ 361.411431] ? check_preemption_disabled+0x48/0x200 [ 361.413820] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 361.419354] ? __lock_is_held+0xb5/0x140 [ 361.422535] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 361.427555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.436377] 503 total pagecache pages [ 361.440443] ? check_preemption_disabled+0x48/0x200 [ 361.448997] 0 pages in swap cache [ 361.454552] run_timer_softirq+0x52/0xb0 [ 361.458315] Swap cache stats: add 0, delete 0, find 0/0 [ 361.463325] ? rcu_read_lock_sched_held+0x108/0x120 [ 361.466752] Free swap = 0kB [ 361.470807] __do_softirq+0x30b/0xad8 [ 361.476146] Total swap = 0kB [ 361.481173] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 361.484156] 1965979 pages RAM [ 361.487953] ? pvclock_read_flags+0x160/0x160 [ 361.490940] 0 pages HighMem/MovableOnly [ 361.490949] 343324 pages reserved [ 361.496053] ? lapic_next_event+0x5a/0x90 [ 361.499131] 0 pages cma reserved [ 361.503623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.507674] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.511019] ? check_preemption_disabled+0x48/0x200 [ 361.515259] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.518515] ? check_preemption_disabled+0x48/0x200 [ 361.524034] syz-executor2 cpuset= [ 361.530538] ? kvm_clock_read+0x18/0x30 [ 361.535533] syz2 [ 361.546019] ? kvm_sched_clock_read+0x9/0x20 [ 361.551012] mems_allowed=0 [ 361.554466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.573410] ? check_preemption_disabled+0x48/0x200 [ 361.578441] irq_exit+0x17f/0x1c0 [ 361.581905] smp_apic_timer_interrupt+0x1cb/0x760 [ 361.586752] ? smp_reschedule_interrupt+0x109/0x650 [ 361.591773] ? smp_call_function_single_interrupt+0x650/0x650 [ 361.597659] ? interrupt_entry+0xb5/0xf0 [ 361.601728] ? trace_hardirqs_off_caller+0xbb/0x300 [ 361.606742] ? trace_hardirqs_off_caller+0xbb/0x300 [ 361.611762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.616606] ? trace_hardirqs_off+0x300/0x300 [ 361.621101] ? trace_hardirqs_off+0x300/0x300 [ 361.625603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.631141] ? check_preemption_disabled+0x48/0x200 [ 361.636159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.641707] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.647064] apic_timer_interrupt+0xf/0x20 [ 361.651295] [ 361.653544] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 361.659002] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 361.677919] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 361.685638] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 361.692907] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 361.700179] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 361.707446] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 361.714716] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 361.722036] skb_clone+0x1bb/0x500 [ 361.725586] ? skb_split+0x11e0/0x11e0 [ 361.729478] ? preempt_notifier_register+0x200/0x200 [ 361.734601] ? __switch_to_asm+0x34/0x70 [ 361.738666] ? __switch_to_asm+0x34/0x70 [ 361.742726] ? __switch_to_asm+0x40/0x70 [ 361.746788] ? __switch_to_asm+0x34/0x70 [ 361.750852] ? __switch_to_asm+0x40/0x70 [ 361.754913] ? __switch_to_asm+0x40/0x70 [ 361.758991] ? __switch_to_asm+0x34/0x70 [ 361.763056] ? __switch_to_asm+0x34/0x70 [ 361.767133] ? __switch_to_asm+0x40/0x70 [ 361.771199] ? __switch_to_asm+0x34/0x70 [ 361.775286] bpf_clone_redirect+0xb9/0x490 [ 361.779568] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 361.784620] ? __sched_text_start+0x8/0x8 [ 361.788799] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.793607] ? find_held_lock+0x36/0x1c0 [ 361.797741] ? lock_acquire+0x1ed/0x520 [ 361.801763] ? bpf_test_run+0x32e/0x5a0 [ 361.805766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.811321] ? check_preemption_disabled+0x48/0x200 [ 361.816359] ? kasan_check_read+0x11/0x20 [ 361.820550] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.825843] ? rcu_bh_qs+0xc0/0xc0 [ 361.829392] ? preempt_schedule+0x4d/0x60 [ 361.833550] ? ___preempt_schedule+0x16/0x18 [ 361.837974] ? bpf_test_run+0x1c0/0x5a0 [ 361.841952] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 361.846802] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.851214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.856750] ? bpf_test_init.isra.9+0x70/0x100 [ 361.861338] ? bpf_prog_test_run_skb+0x634/0xb40 [ 361.866107] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 361.870953] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.876490] ? fput+0x130/0x1a0 [ 361.879785] ? __bpf_prog_get+0x9b/0x290 [ 361.883853] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 361.888698] ? bpf_prog_test_run+0x130/0x1a0 [ 361.893115] ? __x64_sys_bpf+0x3d8/0x510 [ 361.897181] ? bpf_prog_get+0x20/0x20 [ 361.901007] ? do_syscall_64+0x1b9/0x820 [ 361.905071] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.910441] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.915377] ? trace_hardirqs_off+0x300/0x300 [ 361.919877] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.924897] ? recalc_sigpending_tsk+0x180/0x180 [ 361.929682] ? kasan_check_write+0x14/0x20 [ 361.933925] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.938779] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.944167] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 361.944256] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.951358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.951367] Call Trace: [ 361.957979] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.967208] [ 361.969783] syz-executor4 cpuset= [ 361.980274] dump_stack+0x1c4/0x2b4 [ 361.982402] syz4 [ 361.985849] ? dump_stack_print_info.cold.2+0x52/0x52 [ 361.989453] mems_allowed=0 [ 361.991432] warn_alloc.cold.118+0xb7/0x1bd [ 362.003827] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.008674] ? lock_downgrade+0x900/0x900 [ 362.012832] ? trace_hardirqs_off+0xb8/0x300 [ 362.017252] ? trace_hardirqs_off+0xb8/0x300 [ 362.021671] __alloc_pages_slowpath+0x2667/0x2d80 [ 362.026551] ? warn_alloc+0x120/0x120 [ 362.030362] ? trace_hardirqs_on+0x310/0x310 [ 362.034778] ? warn_alloc+0x120/0x120 [ 362.038582] ? print_usage_bug+0xc0/0xc0 [ 362.042644] ? warn_alloc+0x120/0x120 [ 362.046447] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 362.051468] ? print_usage_bug+0xc0/0xc0 [ 362.055540] ? __lock_acquire+0x7ec/0x4ec0 [ 362.059774] ? __lock_acquire+0x7ec/0x4ec0 [ 362.064013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.069558] ? should_fail+0x22d/0xd01 [ 362.073452] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.078564] ? __lock_acquire+0x7ec/0x4ec0 [ 362.082806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.087907] ? __lock_acquire+0x7ec/0x4ec0 [ 362.092141] ? should_fail+0x22d/0xd01 [ 362.096030] ? print_usage_bug+0xc0/0xc0 [ 362.100103] ? mark_held_locks+0x130/0x130 [ 362.104347] ? mark_held_locks+0x130/0x130 [ 362.108594] ? graph_lock+0x170/0x170 [ 362.112401] ? print_usage_bug+0xc0/0xc0 [ 362.116471] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 362.121248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.126789] ? check_preemption_disabled+0x48/0x200 [ 362.131803] ? check_preemption_disabled+0x48/0x200 [ 362.136831] ? __lock_is_held+0xb5/0x140 [ 362.140900] __alloc_pages_nodemask+0xa80/0xde0 [ 362.145572] ? graph_lock+0x170/0x170 [ 362.149387] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 362.154406] ? graph_lock+0x170/0x170 [ 362.158228] ? find_held_lock+0x36/0x1c0 [ 362.162302] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.166971] ? lock_downgrade+0x900/0x900 [ 362.171130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.176674] cache_grow_begin+0x91/0x8c0 [ 362.180741] ? do_raw_spin_unlock+0xa7/0x2f0 [ 362.185160] fallback_alloc+0x203/0x2e0 [ 362.189142] ____cache_alloc_node+0x1c7/0x1e0 [ 362.193692] kmem_cache_alloc_node+0xe3/0x730 [ 362.198188] ? ipv6_get_ifaddr+0x42e/0x620 [ 362.202434] __alloc_skb+0x119/0x770 [ 362.206150] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.211432] ? skb_scrub_packet+0x490/0x490 [ 362.215753] ? lock_downgrade+0x900/0x900 [ 362.219910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.225451] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.230908] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.236361] ? addrconf_rs_timer+0x6f0/0x6f0 [ 362.240785] ndisc_alloc_skb+0x144/0x340 [ 362.244853] ndisc_send_rs+0x331/0x6e0 [ 362.248748] addrconf_rs_timer+0x3c0/0x6f0 [ 362.252988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.257247] call_timer_fn+0x272/0x920 [ 362.261136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.265373] ? process_timeout+0x40/0x40 [ 362.269432] ? find_held_lock+0x36/0x1c0 [ 362.273516] ? mark_held_locks+0xc7/0x130 [ 362.277676] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.282173] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.286667] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.290901] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 362.295486] ? trace_hardirqs_on+0xbd/0x310 [ 362.299818] ? kasan_check_read+0x11/0x20 [ 362.303972] ? __run_timers+0x7da/0xc70 [ 362.307949] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.313406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.317677] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.321916] __run_timers+0x7e5/0xc70 [ 362.325733] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 362.331106] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.336127] ? graph_lock+0x170/0x170 [ 362.339935] ? print_usage_bug+0xc0/0xc0 [ 362.343995] ? lock_release+0x970/0x970 [ 362.347981] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 362.353184] ? find_held_lock+0x36/0x1c0 [ 362.357254] ? graph_lock+0x170/0x170 [ 362.361062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.366601] ? check_preemption_disabled+0x48/0x200 [ 362.371640] ? __lock_is_held+0xb5/0x140 [ 362.375710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.381253] ? check_preemption_disabled+0x48/0x200 [ 362.386288] run_timer_softirq+0x52/0xb0 [ 362.390357] ? rcu_read_lock_sched_held+0x108/0x120 [ 362.395405] __do_softirq+0x30b/0xad8 [ 362.399225] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 362.404342] ? pvclock_read_flags+0x160/0x160 [ 362.408847] ? lapic_next_event+0x5a/0x90 [ 362.413013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.418565] ? check_preemption_disabled+0x48/0x200 [ 362.423589] ? check_preemption_disabled+0x48/0x200 [ 362.428624] ? kvm_clock_read+0x18/0x30 [ 362.432606] ? kvm_sched_clock_read+0x9/0x20 [ 362.437042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.442595] ? check_preemption_disabled+0x48/0x200 [ 362.447639] irq_exit+0x17f/0x1c0 [ 362.451112] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.455971] ? smp_reschedule_interrupt+0x109/0x650 [ 362.461016] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.466939] ? interrupt_entry+0xb5/0xf0 [ 362.471046] ? trace_hardirqs_off_caller+0xbb/0x300 [ 362.476098] ? trace_hardirqs_off_caller+0xbb/0x300 [ 362.481147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.486029] ? trace_hardirqs_off+0x300/0x300 [ 362.490551] ? trace_hardirqs_off+0x300/0x300 [ 362.495072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.500637] ? check_preemption_disabled+0x48/0x200 [ 362.505669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.511242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.516121] apic_timer_interrupt+0xf/0x20 [ 362.520368] [ 362.522625] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 362.527913] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 362.546830] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 362.554563] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 362.561851] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 362.569136] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 362.576421] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 362.583702] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 362.591007] ? arch_local_irq_restore+0x45/0x52 [ 362.595718] dump_stack+0x26a/0x2b4 [ 362.599358] ? dump_stack_print_info.cold.2+0x52/0x52 [ 362.604558] ? mark_held_locks+0x130/0x130 [ 362.608800] ? mark_held_locks+0x130/0x130 [ 362.613052] dump_header+0x27b/0xf72 [ 362.616787] ? pagefault_out_of_memory+0x197/0x197 [ 362.621735] ? mark_held_locks+0x130/0x130 [ 362.625983] ? __lock_acquire+0x7ec/0x4ec0 [ 362.630245] ? print_usage_bug+0xc0/0xc0 [ 362.634330] ? graph_lock+0x170/0x170 [ 362.638141] ? graph_lock+0x170/0x170 [ 362.641951] ? print_usage_bug+0xc0/0xc0 [ 362.646013] ? print_usage_bug+0xc0/0xc0 [ 362.650099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.655653] ? find_held_lock+0x36/0x1c0 [ 362.659730] ? mark_held_locks+0xc7/0x130 [ 362.663886] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.669001] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.674131] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.678731] ? trace_hardirqs_on+0xbd/0x310 [ 362.683063] ? kasan_check_read+0x11/0x20 [ 362.687232] ? ___ratelimit+0x36f/0x655 [ 362.691227] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.696697] ? trace_hardirqs_on+0x310/0x310 [ 362.701128] ? lock_downgrade+0x900/0x900 [ 362.705302] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.710434] ? ___ratelimit+0xaa/0x655 [ 362.714349] ? idr_get_free+0xec0/0xec0 [ 362.718339] ? kasan_check_write+0x14/0x20 [ 362.722600] ? do_raw_spin_lock+0xc1/0x200 [ 362.726865] oom_kill_process.cold.27+0x10/0x903 [ 362.731640] ? graph_lock+0x170/0x170 [ 362.735453] ? _raw_spin_unlock+0x2c/0x50 [ 362.739613] ? oom_badness+0xe6/0xaa0 [ 362.743426] ? oom_evaluate_task+0x540/0x540 [ 362.747845] ? find_held_lock+0x36/0x1c0 [ 362.751923] ? out_of_memory+0x974/0x14c0 [ 362.756082] ? lock_downgrade+0x900/0x900 [ 362.760235] ? check_preemption_disabled+0x48/0x200 [ 362.765267] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 362.771080] ? kasan_check_read+0x11/0x20 [ 362.775726] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.781029] ? rcu_bh_qs+0xc0/0xc0 [ 362.784582] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.789605] ? oom_evaluate_task+0x302/0x540 [ 362.794032] out_of_memory+0xa86/0x14c0 [ 362.798030] ? oom_killer_disable+0x3a0/0x3a0 [ 362.802551] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 362.807513] ? __mutex_add_waiter+0x2a0/0x2a0 [ 362.812048] __alloc_pages_slowpath+0x2318/0x2d80 [ 362.816972] ? warn_alloc+0x120/0x120 [ 362.820782] ? lock_downgrade+0x900/0x900 [ 362.824942] ? print_usage_bug+0xc0/0xc0 [ 362.829016] ? warn_alloc+0x120/0x120 [ 362.832830] ? print_usage_bug+0xc0/0xc0 [ 362.836895] ? debug_check_no_obj_freed+0x305/0x58d [ 362.841926] ? print_usage_bug+0xc0/0xc0 [ 362.846001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.851552] ? should_fail+0x22d/0xd01 [ 362.855450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.860563] ? __lock_acquire+0x7ec/0x4ec0 [ 362.864839] ? __lock_is_held+0xb5/0x140 [ 362.868919] ? graph_lock+0x170/0x170 [ 362.872735] ? ___might_sleep+0x1ed/0x300 [ 362.876885] ? lock_release+0x970/0x970 [ 362.880870] ? arch_local_save_flags+0x40/0x40 [ 362.885476] ? __might_sleep+0x95/0x190 [ 362.889473] __alloc_pages_nodemask+0xa80/0xde0 [ 362.894249] ? graph_lock+0x170/0x170 [ 362.898063] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 362.903091] ? graph_lock+0x170/0x170 [ 362.906915] ? mark_held_locks+0xc7/0x130 [ 362.911077] ? find_held_lock+0x36/0x1c0 [ 362.915169] ? cache_grow_begin+0x5a4/0x8c0 [ 362.919533] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.924153] ? trace_hardirqs_on+0xbd/0x310 [ 362.928516] ? fallback_alloc+0x203/0x2e0 [ 362.932696] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.938176] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 362.943739] cache_grow_begin+0x91/0x8c0 [ 362.947822] ? do_raw_spin_unlock+0xa7/0x2f0 [ 362.952249] fallback_alloc+0x203/0x2e0 [ 362.956239] ____cache_alloc_node+0x1c7/0x1e0 [ 362.960746] kmem_cache_alloc_node_trace+0xe7/0x740 [ 362.965781] __kmalloc_node_track_caller+0x33/0x70 [ 362.970718] __kmalloc_reserve.isra.39+0x41/0xe0 [ 362.975481] __alloc_skb+0x155/0x770 [ 362.979212] ? skb_scrub_packet+0x490/0x490 [ 362.983554] ? if_nlmsg_size+0x5d1/0xbb0 [ 362.987638] ? nla_put_ifalias+0x170/0x170 [ 362.991893] ? softnet_seq_show+0x470/0x470 [ 362.996219] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 363.001249] ? netif_tx_stop_all_queues+0xd9/0x110 [ 363.006198] rtmsg_ifinfo_build_skb+0x74/0x190 [ 363.010815] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 363.015672] rtmsg_ifinfo+0x8c/0xa0 [ 363.019313] dev_close_many+0x3be/0x860 [ 363.023305] ? unlist_netdevice+0x670/0x670 [ 363.027638] ? find_held_lock+0x36/0x1c0 [ 363.031712] ? __queue_work+0x6be/0x1440 [ 363.035780] ? lock_downgrade+0x900/0x900 [ 363.039939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.045478] ? rtnl_is_locked+0xb5/0xf0 [ 363.049464] ? rtnl_trylock+0x20/0x20 [ 363.053274] ? do_raw_spin_unlock+0xa7/0x2f0 [ 363.057690] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 363.062294] rollback_registered_many+0x56e/0x1240 [ 363.067245] ? generic_xdp_install+0x4c0/0x4c0 [ 363.071841] ? max_active_store+0x170/0x170 [ 363.076173] ? graph_lock+0x170/0x170 [ 363.079980] ? print_usage_bug+0xc0/0xc0 [ 363.084051] ? print_usage_bug+0xc0/0xc0 [ 363.088121] ? kfree_skbmem+0x154/0x230 [ 363.092105] ? graph_lock+0x170/0x170 [ 363.095911] ? print_usage_bug+0xc0/0xc0 [ 363.099982] ? find_held_lock+0x36/0x1c0 [ 363.104065] ? mark_held_locks+0xc7/0x130 [ 363.108224] rollback_registered+0x1e9/0x420 [ 363.112635] ? lockdep_hardirqs_on+0x351/0x5c0 [ 363.117228] ? rollback_registered_many+0x1240/0x1240 [ 363.122419] ? trace_hardirqs_on+0xbd/0x310 [ 363.126748] ? linkwatch_schedule_work+0x150/0x170 [ 363.131690] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.137150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.142689] ? rtnl_is_locked+0xb5/0xf0 [ 363.146672] ? rtnl_trylock+0x20/0x20 [ 363.150481] ? queue_delayed_work_on+0x130/0x1f0 [ 363.155260] unregister_netdevice_queue+0x321/0x5e0 [ 363.160295] ? rollback_registered+0x420/0x420 [ 363.164892] ? linkwatch_schedule_work+0x170/0x170 [ 363.169832] ? tun_show_owner+0x170/0x170 [ 363.173989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.179547] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 363.184917] ? __tun_detach+0x6ba/0x15c0 [ 363.188996] __tun_detach+0x11b8/0x15c0 [ 363.192987] ? __call_rcu.constprop.69+0x429/0xbc0 [ 363.197965] ? tun_attach+0x1770/0x1770 [ 363.201951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.207507] ? check_preemption_disabled+0x48/0x200 [ 363.212557] ? graph_lock+0x170/0x170 [ 363.216372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.221918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.227466] ? locks_remove_file+0x3c6/0x5c0 [ 363.231890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.237440] ? ima_file_free+0x132/0x650 [ 363.241527] ? __lock_is_held+0xb5/0x140 [ 363.245609] ? __tun_detach+0x15c0/0x15c0 [ 363.249774] ? __tun_detach+0x15c0/0x15c0 [ 363.253934] tun_chr_close+0xe3/0x180 [ 363.257741] __fput+0x385/0xa30 [ 363.261037] ? get_max_files+0x20/0x20 [ 363.264933] ? ___might_sleep+0x1ed/0x300 [ 363.269086] ? arch_local_save_flags+0x40/0x40 [ 363.273681] ____fput+0x15/0x20 [ 363.276964] task_work_run+0x1e8/0x2a0 [ 363.280864] ? task_work_cancel+0x240/0x240 [ 363.285201] ? switch_task_namespaces+0xb8/0xd0 [ 363.289880] do_exit+0x1ad7/0x2610 [ 363.293437] ? mm_update_next_owner+0x990/0x990 [ 363.298113] ? print_usage_bug+0xc0/0xc0 [ 363.302191] ? __lock_acquire+0x7ec/0x4ec0 [ 363.306434] ? find_held_lock+0x36/0x1c0 [ 363.310521] ? __lock_acquire+0x7ec/0x4ec0 [ 363.314761] ? mark_held_locks+0x130/0x130 [ 363.319004] ? lock_acquire+0x1ed/0x520 [ 363.322993] ? mark_held_locks+0x130/0x130 [ 363.327233] ? arch_local_save_flags+0x40/0x40 [ 363.331817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.337382] ? __mutex_lock+0x872/0x1710 [ 363.341452] ? __switch_to_asm+0x40/0x70 [ 363.345527] ? __switch_to_asm+0x34/0x70 [ 363.349597] ? pipe_wait+0x266/0x2c0 [ 363.353331] ? mutex_trylock+0x2b0/0x2b0 [ 363.357413] ? graph_lock+0x170/0x170 [ 363.361221] ? find_held_lock+0x36/0x1c0 [ 363.365292] ? memset+0x31/0x40 [ 363.368582] ? find_held_lock+0x36/0x1c0 [ 363.372661] ? get_signal+0x95b/0x1980 [ 363.376556] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.381061] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.385575] do_group_exit+0x177/0x440 [ 363.389744] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.395206] ? __ia32_sys_exit+0x50/0x50 [ 363.399291] get_signal+0x8b0/0x1980 [ 363.403028] ? ptrace_notify+0x130/0x130 [ 363.407101] ? finish_wait+0x430/0x430 [ 363.411001] ? graph_lock+0x170/0x170 [ 363.414819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.420375] ? pipe_read+0x702/0x940 [ 363.424111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.429694] do_signal+0x9c/0x21e0 [ 363.433246] ? __vfs_read+0x11f/0x9b0 [ 363.437065] ? vfs_copy_file_range+0xb90/0xb90 [ 363.441682] ? setup_sigcontext+0x7d0/0x7d0 [ 363.446049] ? exit_to_usermode_loop+0x8c/0x380 [ 363.450757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.456325] exit_to_usermode_loop+0x2e5/0x380 [ 363.460929] ? syscall_slow_exit_work+0x520/0x520 [ 363.465784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.471349] do_syscall_64+0x6be/0x820 [ 363.475246] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 363.480628] ? syscall_return_slowpath+0x5e0/0x5e0 [ 363.485573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.490435] ? trace_hardirqs_off+0x300/0x300 [ 363.494947] ? prepare_exit_to_usermode+0x291/0x3b0 [ 363.499979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.504839] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.510039] RIP: 0033:0x410e10 [ 363.513236] Code: Bad RIP value. [ 363.516599] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 363.524324] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 363.531606] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 363.538884] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 363.546161] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 363.553445] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 363.560763] warn_alloc_show_mem: 1 callbacks suppressed [ 363.560775] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 363.560778] Mem-Info: [ 363.560808] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 363.560808] active_file:19 inactive_file:16 isolated_file:0 [ 363.560808] unevictable:0 dirty:0 writeback:0 unstable:0 [ 363.560808] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 363.560808] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 363.560808] free:13785 free_pcp:397 free_cma:0 [ 363.566173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.573461] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 363.575866] Call Trace: [ 363.608675] Node 0 [ 363.618033] [ 363.645887] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 363.648458] dump_stack+0x1c4/0x2b4 [ 363.650661] lowmem_reserve[]: [ 363.652810] ? dump_stack_print_info.cold.2+0x52/0x52 [ 363.678291] 0 [ 363.681937] warn_alloc.cold.118+0xb7/0x1bd [ 363.685006] 2815 [ 363.690195] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.691990] 6318 [ 363.696314] ? lock_downgrade+0x900/0x900 [ 363.698349] 6318 [ 363.703206] ? trace_hardirqs_off+0xb8/0x300 [ 363.709395] ? trace_hardirqs_off+0xb8/0x300 [ 363.711427] Node 0 [ 363.715844] __alloc_pages_slowpath+0x2667/0x2d80 [ 363.720254] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 363.722511] ? warn_alloc+0x120/0x120 [ 363.727291] lowmem_reserve[]: [ 363.754561] ? trace_hardirqs_on+0x310/0x310 [ 363.758316] 0 [ 363.761420] ? warn_alloc+0x120/0x120 [ 363.765795] 0 3503 [ 363.767605] ? print_usage_bug+0xc0/0xc0 [ 363.771378] 3503 [ 363.773632] ? warn_alloc+0x120/0x120 [ 363.777668] Node 0 [ 363.779731] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 363.783540] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 363.785750] ? print_usage_bug+0xc0/0xc0 [ 363.790733] lowmem_reserve[]: 0 [ 363.819312] ? __lock_acquire+0x7ec/0x4ec0 [ 363.823356] 0 [ 363.826650] ? __lock_acquire+0x7ec/0x4ec0 [ 363.830857] 0 [ 363.832662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.836865] 0 [ 363.838669] ? should_fail+0x22d/0xd01 [ 363.845975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.849834] Node 0 [ 363.854929] ? __lock_acquire+0x7ec/0x4ec0 [ 363.854931] DMA: 1*4kB [ 363.857173] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.861385] (U) [ 363.863976] ? __lock_acquire+0x7ec/0x4ec0 [ 363.869054] 0*8kB [ 363.871030] ? should_fail+0x22d/0xd01 [ 363.875252] 0*16kB [ 363.877400] ? print_usage_bug+0xc0/0xc0 [ 363.881261] 1*32kB [ 363.883518] ? mark_held_locks+0x130/0x130 [ 363.887541] (U) [ 363.889777] ? mark_held_locks+0x130/0x130 [ 363.893986] 2*64kB [ 363.895961] ? graph_lock+0x170/0x170 [ 363.900164] (U) [ 363.902395] ? print_usage_bug+0xc0/0xc0 [ 363.906172] 1*128kB [ 363.908146] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 363.912179] (U) [ 363.914509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.919239] 1*256kB [ 363.921211] ? check_preemption_disabled+0x48/0x200 [ 363.926720] (U) [ 363.929034] ? check_preemption_disabled+0x48/0x200 [ 363.929060] ? __lock_is_held+0xb5/0x140 [ 363.934048] 0*512kB [ 363.936022] __alloc_pages_nodemask+0xa80/0xde0 [ 363.941012] 1*1024kB [ 363.945069] ? graph_lock+0x170/0x170 [ 363.947366] (U) [ 363.952048] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 363.954436] 1*2048kB [ 363.958236] ? graph_lock+0x170/0x170 [ 363.960185] (M) [ 363.965200] ? find_held_lock+0x36/0x1c0 [ 363.967577] 3*4096kB [ 363.971377] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.973324] (M) [ 363.977376] ? lock_downgrade+0x900/0x900 [ 363.979761] = 15908kB [ 363.984427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.986375] Node 0 [ 363.990533] cache_grow_begin+0x91/0x8c0 [ 363.992911] DMA32: [ 363.998446] ? do_raw_spin_unlock+0xa7/0x2f0 [ 364.000657] 3*4kB [ 364.004719] fallback_alloc+0x203/0x2e0 [ 364.006928] (M) [ 364.011336] ____cache_alloc_node+0x1c7/0x1e0 [ 364.013458] 1*8kB [ 364.017429] kmem_cache_alloc_node+0xe3/0x730 [ 364.019377] (M) [ 364.023866] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.025989] 3*16kB [ 364.030480] __alloc_skb+0x119/0x770 [ 364.032425] (UM) [ 364.036674] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.038885] 3*32kB [ 364.042594] ? skb_scrub_packet+0x490/0x490 [ 364.044631] (UM) [ 364.049913] ? lock_downgrade+0x900/0x900 [ 364.052123] 2*64kB [ 364.056444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.058476] (UM) [ 364.062629] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.064841] 5*128kB [ 364.070371] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.072402] (UM) 3*256kB [ 364.077858] ? addrconf_rs_timer+0x6f0/0x6f0 [ 364.080157] (M) [ 364.085621] ndisc_alloc_skb+0x144/0x340 [ 364.088347] 4*512kB [ 364.092759] ndisc_send_rs+0x331/0x6e0 [ 364.094703] (M) [ 364.098764] addrconf_rs_timer+0x3c0/0x6f0 [ 364.101060] 3*1024kB [ 364.104959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.106903] (UM) [ 364.111145] call_timer_fn+0x272/0x920 [ 364.113532] 3*2048kB [ 364.117766] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.119802] (M) [ 364.123687] ? process_timeout+0x40/0x40 [ 364.126069] 3*4096kB [ 364.130300] ? find_held_lock+0x36/0x1c0 [ 364.132251] (M) [ 364.136317] ? __run_timers+0x7da/0xc70 [ 364.138694] = 25252kB [ 364.142768] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.144723] Node 0 [ 364.148698] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.151083] Normal: [ 364.155578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.157786] 1016*4kB [ 364.162287] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 364.164579] (UME) [ 364.168812] ? trace_hardirqs_on+0xbd/0x310 [ 364.171196] 348*8kB [ 364.175775] ? kasan_check_read+0x11/0x20 [ 364.177905] (UME) [ 364.182223] ? __run_timers+0x7da/0xc70 [ 364.184524] 167*16kB (UME) [ 364.188675] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.190800] 68*32kB [ 364.194774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.197680] (UME) [ 364.203129] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.205424] 21*64kB [ 364.209655] __run_timers+0x7e5/0xc70 [ 364.211778] (M) [ 364.216015] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 364.218316] 6*128kB [ 364.222111] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 364.224061] (UM) [ 364.229417] ? graph_lock+0x170/0x170 [ 364.231711] 1*256kB (U) [ 364.236731] ? enqueue_hrtimer+0x1a5/0x560 [ 364.238770] 0*512kB [ 364.242562] ? lock_release+0x970/0x970 [ 364.245211] 0*1024kB [ 364.249436] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 364.251737] 0*2048kB [ 364.255711] ? find_held_lock+0x36/0x1c0 [ 364.258096] 0*4096kB [ 364.263281] ? graph_lock+0x170/0x170 [ 364.265667] = 14064kB [ 364.269731] ? pvclock_read_flags+0x160/0x160 [ 364.272126] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 364.275915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.278305] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 364.282788] ? check_preemption_disabled+0x48/0x200 [ 364.291605] 503 total pagecache pages [ 364.297144] ? __lock_is_held+0xb5/0x140 [ 364.305695] 0 pages in swap cache [ 364.310703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.314473] Swap cache stats: add 0, delete 0, find 0/0 [ 364.314482] Free swap = 0kB [ 364.318548] ? check_preemption_disabled+0x48/0x200 [ 364.321976] Total swap = 0kB [ 364.327526] run_timer_softirq+0x52/0xb0 [ 364.332887] 1965979 pages RAM [ 364.335915] ? rcu_read_lock_sched_held+0x108/0x120 [ 364.340915] 0 pages HighMem/MovableOnly [ 364.343949] __do_softirq+0x30b/0xad8 [ 364.347993] 343324 pages reserved [ 364.351128] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 364.356125] 0 pages cma reserved [ 364.360122] ? pvclock_read_flags+0x160/0x160 [ 364.363983] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.367365] ? lapic_next_event+0x5a/0x90 [ 364.372536] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.375829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.380300] syz-executor2 cpuset= [ 364.386804] ? check_preemption_disabled+0x48/0x200 [ 364.390936] syz2 [ 364.401439] ? check_preemption_disabled+0x48/0x200 [ 364.406969] mems_allowed=0 [ 364.410431] ? kvm_clock_read+0x18/0x30 [ 364.429315] ? kvm_sched_clock_read+0x9/0x20 [ 364.433744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.439297] ? check_preemption_disabled+0x48/0x200 [ 364.444339] irq_exit+0x17f/0x1c0 [ 364.447828] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.452682] ? smp_reschedule_interrupt+0x109/0x650 [ 364.457746] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.463648] ? interrupt_entry+0xb5/0xf0 [ 364.467719] ? trace_hardirqs_off_caller+0xbb/0x300 [ 364.472742] ? trace_hardirqs_off_caller+0xbb/0x300 [ 364.477767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.482623] ? trace_hardirqs_off+0x300/0x300 [ 364.487132] ? trace_hardirqs_off+0x300/0x300 [ 364.491652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.497227] ? check_preemption_disabled+0x48/0x200 [ 364.502263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.507835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.512714] apic_timer_interrupt+0xf/0x20 [ 364.516959] [ 364.519212] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 364.524157] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 364.543082] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 364.550817] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 364.558114] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 364.565410] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 364.572700] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 364.579995] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 364.587337] skb_clone+0x1bb/0x500 [ 364.590903] ? skb_split+0x11e0/0x11e0 [ 364.594813] ? preempt_notifier_register+0x200/0x200 [ 364.599938] ? __switch_to_asm+0x34/0x70 [ 364.604023] ? __switch_to_asm+0x34/0x70 [ 364.608098] ? __switch_to_asm+0x40/0x70 [ 364.612163] ? __switch_to_asm+0x34/0x70 [ 364.616226] ? __switch_to_asm+0x40/0x70 [ 364.620292] ? __switch_to_asm+0x40/0x70 [ 364.624372] ? __switch_to_asm+0x34/0x70 [ 364.628435] ? __switch_to_asm+0x34/0x70 [ 364.632508] ? __switch_to_asm+0x40/0x70 [ 364.636572] ? __switch_to_asm+0x34/0x70 [ 364.640649] bpf_clone_redirect+0xb9/0x490 [ 364.645273] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 364.650312] ? __sched_text_start+0x8/0x8 [ 364.654464] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.659235] ? find_held_lock+0x36/0x1c0 [ 364.663306] ? lock_acquire+0x1ed/0x520 [ 364.667283] ? bpf_test_run+0x32e/0x5a0 [ 364.671260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.677147] ? check_preemption_disabled+0x48/0x200 [ 364.682257] ? kasan_check_read+0x11/0x20 [ 364.686413] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.691695] ? rcu_bh_qs+0xc0/0xc0 [ 364.695241] ? preempt_schedule+0x4d/0x60 [ 364.699405] ? ___preempt_schedule+0x16/0x18 [ 364.703847] ? bpf_test_run+0x1c0/0x5a0 [ 364.707847] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 364.712722] ? netlink_diag_dump+0x2a0/0x2a0 [ 364.717163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.722731] ? bpf_test_init.isra.9+0x70/0x100 [ 364.727349] ? bpf_prog_test_run_skb+0x634/0xb40 [ 364.732134] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 364.736993] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.742556] ? fput+0x130/0x1a0 [ 364.745851] ? __bpf_prog_get+0x9b/0x290 [ 364.749925] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 364.754769] ? bpf_prog_test_run+0x130/0x1a0 [ 364.759185] ? __x64_sys_bpf+0x3d8/0x510 [ 364.763251] ? bpf_prog_get+0x20/0x20 [ 364.767078] ? do_syscall_64+0x1b9/0x820 [ 364.771157] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 364.776735] ? syscall_return_slowpath+0x5e0/0x5e0 [ 364.781671] ? trace_hardirqs_off+0x300/0x300 [ 364.786169] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 364.791185] ? recalc_sigpending_tsk+0x180/0x180 [ 364.795942] ? kasan_check_write+0x14/0x20 [ 364.800185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.805042] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.810427] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 364.810530] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.817629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.817635] Call Trace: [ 364.817642] [ 364.817658] dump_stack+0x1c4/0x2b4 [ 364.817672] ? dump_stack_print_info.cold.2+0x52/0x52 [ 364.817704] warn_alloc.cold.118+0xb7/0x1bd [ 364.824340] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.833552] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.836118] syz-executor4 cpuset= [ 364.838262] ? lock_downgrade+0x900/0x900 [ 364.841864] syz4 [ 364.847053] ? trace_hardirqs_off+0xb8/0x300 [ 364.851351] mems_allowed=0 [ 364.861844] ? trace_hardirqs_off+0xb8/0x300 [ 364.887926] __alloc_pages_slowpath+0x2667/0x2d80 [ 364.892807] ? warn_alloc+0x120/0x120 [ 364.896617] ? warn_alloc+0x120/0x120 [ 364.900422] ? print_usage_bug+0xc0/0xc0 [ 364.904486] ? warn_alloc+0x120/0x120 [ 364.908302] ? print_usage_bug+0xc0/0xc0 [ 364.912364] ? __lock_acquire+0x7ec/0x4ec0 [ 364.916598] ? __lock_acquire+0x7ec/0x4ec0 [ 364.920837] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.926375] ? should_fail+0x22d/0xd01 [ 364.930268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.935374] ? __lock_acquire+0x7ec/0x4ec0 [ 364.939619] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.944721] ? __lock_acquire+0x7ec/0x4ec0 [ 364.948953] ? should_fail+0x22d/0xd01 [ 364.952852] ? mark_held_locks+0x130/0x130 [ 364.957092] ? mark_held_locks+0x130/0x130 [ 364.961327] ? graph_lock+0x170/0x170 [ 364.965131] ? graph_lock+0x170/0x170 [ 364.968938] ? graph_lock+0x170/0x170 [ 364.972740] ? print_usage_bug+0xc0/0xc0 [ 364.976803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.982344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.987882] ? check_preemption_disabled+0x48/0x200 [ 364.992894] ? check_preemption_disabled+0x48/0x200 [ 364.997935] ? __lock_is_held+0xb5/0x140 [ 365.002015] __alloc_pages_nodemask+0xa80/0xde0 [ 365.006695] ? graph_lock+0x170/0x170 [ 365.010508] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 365.015530] ? graph_lock+0x170/0x170 [ 365.019347] ? find_held_lock+0x36/0x1c0 [ 365.023418] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.028088] ? lock_downgrade+0x900/0x900 [ 365.032249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.037800] cache_grow_begin+0x91/0x8c0 [ 365.041863] ? do_raw_spin_unlock+0xa7/0x2f0 [ 365.046280] fallback_alloc+0x203/0x2e0 [ 365.050265] ____cache_alloc_node+0x1c7/0x1e0 [ 365.054768] kmem_cache_alloc_node+0xe3/0x730 [ 365.059266] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.063518] __alloc_skb+0x119/0x770 [ 365.067240] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.072526] ? skb_scrub_packet+0x490/0x490 [ 365.076852] ? lock_downgrade+0x900/0x900 [ 365.081012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.086560] ? refcount_sub_and_test_checked+0x203/0x310 [ 365.092019] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 365.097476] ? addrconf_rs_timer+0x6f0/0x6f0 [ 365.101908] ndisc_alloc_skb+0x144/0x340 [ 365.105991] ndisc_send_rs+0x331/0x6e0 [ 365.109902] addrconf_rs_timer+0x3c0/0x6f0 [ 365.114155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.118408] call_timer_fn+0x272/0x920 [ 365.122299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.126539] ? process_timeout+0x40/0x40 [ 365.130602] ? find_held_lock+0x36/0x1c0 [ 365.134672] ? mark_held_locks+0xc7/0x130 [ 365.138824] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.143325] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.147821] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.152058] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 365.156644] ? trace_hardirqs_on+0xbd/0x310 [ 365.160967] ? kasan_check_read+0x11/0x20 [ 365.165116] ? __run_timers+0x7da/0xc70 [ 365.169095] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.174554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.178799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.183037] __run_timers+0x7e5/0xc70 [ 365.186853] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 365.192223] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 365.197255] ? graph_lock+0x170/0x170 [ 365.201068] ? print_usage_bug+0xc0/0xc0 [ 365.205133] ? lock_release+0x970/0x970 [ 365.209128] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 365.214341] ? find_held_lock+0x36/0x1c0 [ 365.218411] ? graph_lock+0x170/0x170 [ 365.222216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.227769] ? check_preemption_disabled+0x48/0x200 [ 365.232814] ? __lock_is_held+0xb5/0x140 [ 365.236891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.242443] ? check_preemption_disabled+0x48/0x200 [ 365.247486] run_timer_softirq+0x52/0xb0 [ 365.251569] ? rcu_read_lock_sched_held+0x108/0x120 [ 365.256596] __do_softirq+0x30b/0xad8 [ 365.260417] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 365.265533] ? pvclock_read_flags+0x160/0x160 [ 365.270034] ? lapic_next_event+0x5a/0x90 [ 365.274184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.279741] ? check_preemption_disabled+0x48/0x200 [ 365.284755] ? check_preemption_disabled+0x48/0x200 [ 365.289776] ? kvm_clock_read+0x18/0x30 [ 365.293751] ? kvm_sched_clock_read+0x9/0x20 [ 365.298163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.303701] ? check_preemption_disabled+0x48/0x200 [ 365.308732] irq_exit+0x17f/0x1c0 [ 365.312189] smp_apic_timer_interrupt+0x1cb/0x760 [ 365.317036] ? smp_reschedule_interrupt+0x109/0x650 [ 365.322063] ? smp_call_function_single_interrupt+0x650/0x650 [ 365.327949] ? interrupt_entry+0xb5/0xf0 [ 365.332013] ? trace_hardirqs_off_caller+0xbb/0x300 [ 365.337041] ? trace_hardirqs_off_caller+0xbb/0x300 [ 365.342061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.346924] ? trace_hardirqs_off+0x300/0x300 [ 365.351418] ? trace_hardirqs_off+0x300/0x300 [ 365.355915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.361451] ? check_preemption_disabled+0x48/0x200 [ 365.366468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.372028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.376885] apic_timer_interrupt+0xf/0x20 [ 365.381113] [ 365.383353] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 365.388650] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 365.407561] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 365.415284] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 365.422573] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 365.429856] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 365.437137] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 365.444427] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 365.451738] ? arch_local_irq_restore+0x45/0x52 [ 365.456441] dump_stack+0x26a/0x2b4 [ 365.460095] ? dump_stack_print_info.cold.2+0x52/0x52 [ 365.465305] ? mark_held_locks+0x130/0x130 [ 365.469548] ? mark_held_locks+0x130/0x130 [ 365.473798] dump_header+0x27b/0xf72 [ 365.477552] ? pagefault_out_of_memory+0x197/0x197 [ 365.482510] ? mark_held_locks+0x130/0x130 [ 365.486753] ? __lock_acquire+0x7ec/0x4ec0 [ 365.491009] ? print_usage_bug+0xc0/0xc0 [ 365.495109] ? graph_lock+0x170/0x170 [ 365.498929] ? graph_lock+0x170/0x170 [ 365.502749] ? print_usage_bug+0xc0/0xc0 [ 365.506837] ? print_usage_bug+0xc0/0xc0 [ 365.510930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.516487] ? find_held_lock+0x36/0x1c0 [ 365.520578] ? mark_held_locks+0xc7/0x130 [ 365.524745] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.529858] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.534971] ? lockdep_hardirqs_on+0x421/0x5c0 [ 365.539565] ? trace_hardirqs_on+0xbd/0x310 [ 365.543891] ? kasan_check_read+0x11/0x20 [ 365.548050] ? ___ratelimit+0x36f/0x655 [ 365.552038] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.557509] ? trace_hardirqs_on+0x310/0x310 [ 365.561929] ? lock_downgrade+0x900/0x900 [ 365.566091] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.571203] ? ___ratelimit+0xaa/0x655 [ 365.575096] ? idr_get_free+0xec0/0xec0 [ 365.579072] ? kasan_check_write+0x14/0x20 [ 365.583316] ? do_raw_spin_lock+0xc1/0x200 [ 365.587571] oom_kill_process.cold.27+0x10/0x903 [ 365.592344] ? graph_lock+0x170/0x170 [ 365.596160] ? _raw_spin_unlock+0x2c/0x50 [ 365.600327] ? oom_badness+0xe6/0xaa0 [ 365.604146] ? oom_evaluate_task+0x540/0x540 [ 365.608574] ? find_held_lock+0x36/0x1c0 [ 365.612652] ? out_of_memory+0x974/0x14c0 [ 365.616804] ? lock_downgrade+0x900/0x900 [ 365.620950] ? check_preemption_disabled+0x48/0x200 [ 365.625977] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.631773] ? kasan_check_read+0x11/0x20 [ 365.635926] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.641207] ? rcu_bh_qs+0xc0/0xc0 [ 365.644964] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 365.649985] ? oom_evaluate_task+0x302/0x540 [ 365.654398] out_of_memory+0xa86/0x14c0 [ 365.658387] ? oom_killer_disable+0x3a0/0x3a0 [ 365.662883] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 365.667814] ? __mutex_add_waiter+0x2a0/0x2a0 [ 365.672323] __alloc_pages_slowpath+0x2318/0x2d80 [ 365.677205] ? warn_alloc+0x120/0x120 [ 365.681014] ? lock_downgrade+0x900/0x900 [ 365.685178] ? print_usage_bug+0xc0/0xc0 [ 365.689246] ? warn_alloc+0x120/0x120 [ 365.693051] ? print_usage_bug+0xc0/0xc0 [ 365.697223] ? debug_check_no_obj_freed+0x305/0x58d [ 365.702242] ? print_usage_bug+0xc0/0xc0 [ 365.706307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.711846] ? should_fail+0x22d/0xd01 [ 365.715744] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.720851] ? __lock_acquire+0x7ec/0x4ec0 [ 365.725118] ? __lock_is_held+0xb5/0x140 [ 365.729194] ? graph_lock+0x170/0x170 [ 365.733005] ? ___might_sleep+0x1ed/0x300 [ 365.737163] ? lock_release+0x970/0x970 [ 365.741139] ? arch_local_save_flags+0x40/0x40 [ 365.745734] ? __might_sleep+0x95/0x190 [ 365.749723] __alloc_pages_nodemask+0xa80/0xde0 [ 365.754394] ? graph_lock+0x170/0x170 [ 365.758203] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 365.763218] ? graph_lock+0x170/0x170 [ 365.767036] ? mark_held_locks+0xc7/0x130 [ 365.771180] ? find_held_lock+0x36/0x1c0 [ 365.775250] ? cache_grow_begin+0x5a4/0x8c0 [ 365.779572] ? lockdep_hardirqs_on+0x421/0x5c0 [ 365.784155] ? trace_hardirqs_on+0xbd/0x310 [ 365.788480] ? fallback_alloc+0x203/0x2e0 [ 365.792639] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.798097] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 365.803646] cache_grow_begin+0x91/0x8c0 [ 365.807716] ? do_raw_spin_unlock+0xa7/0x2f0 [ 365.812134] fallback_alloc+0x203/0x2e0 [ 365.816116] ____cache_alloc_node+0x1c7/0x1e0 [ 365.820619] kmem_cache_alloc_node_trace+0xe7/0x740 [ 365.825656] __kmalloc_node_track_caller+0x33/0x70 [ 365.830591] __kmalloc_reserve.isra.39+0x41/0xe0 [ 365.835350] __alloc_skb+0x155/0x770 [ 365.839077] ? skb_scrub_packet+0x490/0x490 [ 365.843401] ? if_nlmsg_size+0x5d1/0xbb0 [ 365.847556] ? nla_put_ifalias+0x170/0x170 [ 365.851807] ? softnet_seq_show+0x470/0x470 [ 365.856133] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 365.861152] ? netif_tx_stop_all_queues+0xd9/0x110 [ 365.866089] rtmsg_ifinfo_build_skb+0x74/0x190 [ 365.870678] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 365.875536] rtmsg_ifinfo+0x8c/0xa0 [ 365.879173] dev_close_many+0x3be/0x860 [ 365.883163] ? unlist_netdevice+0x670/0x670 [ 365.887490] ? find_held_lock+0x36/0x1c0 [ 365.891567] ? __queue_work+0x6be/0x1440 [ 365.895631] ? lock_downgrade+0x900/0x900 [ 365.899788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.905326] ? rtnl_is_locked+0xb5/0xf0 [ 365.909303] ? rtnl_trylock+0x20/0x20 [ 365.913107] ? do_raw_spin_unlock+0xa7/0x2f0 [ 365.917525] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 365.922118] rollback_registered_many+0x56e/0x1240 [ 365.927062] ? generic_xdp_install+0x4c0/0x4c0 [ 365.931650] ? max_active_store+0x170/0x170 [ 365.935977] ? graph_lock+0x170/0x170 [ 365.939780] ? print_usage_bug+0xc0/0xc0 [ 365.943848] ? print_usage_bug+0xc0/0xc0 [ 365.947908] ? kfree_skbmem+0x154/0x230 [ 365.951883] ? graph_lock+0x170/0x170 [ 365.955685] ? print_usage_bug+0xc0/0xc0 [ 365.959749] ? find_held_lock+0x36/0x1c0 [ 365.963822] ? mark_held_locks+0xc7/0x130 [ 365.967976] rollback_registered+0x1e9/0x420 [ 365.972388] ? lockdep_hardirqs_on+0x351/0x5c0 [ 365.976971] ? rollback_registered_many+0x1240/0x1240 [ 365.982165] ? trace_hardirqs_on+0xbd/0x310 [ 365.986496] ? linkwatch_schedule_work+0x150/0x170 [ 365.991442] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.996901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.002442] ? rtnl_is_locked+0xb5/0xf0 [ 366.006420] ? rtnl_trylock+0x20/0x20 [ 366.010223] ? queue_delayed_work_on+0x130/0x1f0 [ 366.014984] unregister_netdevice_queue+0x321/0x5e0 [ 366.020005] ? rollback_registered+0x420/0x420 [ 366.024592] ? linkwatch_schedule_work+0x170/0x170 [ 366.029531] ? tun_show_owner+0x170/0x170 [ 366.033682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.039225] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 366.044589] ? __tun_detach+0x6ba/0x15c0 [ 366.048664] __tun_detach+0x11b8/0x15c0 [ 366.052661] ? __call_rcu.constprop.69+0x429/0xbc0 [ 366.057600] ? tun_attach+0x1770/0x1770 [ 366.061581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.067119] ? check_preemption_disabled+0x48/0x200 [ 366.072147] ? graph_lock+0x170/0x170 [ 366.075952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.081494] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.087046] ? locks_remove_file+0x3c6/0x5c0 [ 366.091473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.097052] ? ima_file_free+0x132/0x650 [ 366.101123] ? __lock_is_held+0xb5/0x140 [ 366.105194] ? __tun_detach+0x15c0/0x15c0 [ 366.109351] ? __tun_detach+0x15c0/0x15c0 [ 366.113509] tun_chr_close+0xe3/0x180 [ 366.117315] __fput+0x385/0xa30 [ 366.120601] ? get_max_files+0x20/0x20 [ 366.124497] ? ___might_sleep+0x1ed/0x300 [ 366.128658] ? arch_local_save_flags+0x40/0x40 [ 366.133247] ____fput+0x15/0x20 [ 366.136535] task_work_run+0x1e8/0x2a0 [ 366.140427] ? task_work_cancel+0x240/0x240 [ 366.144757] ? switch_task_namespaces+0xb8/0xd0 [ 366.149433] do_exit+0x1ad7/0x2610 [ 366.152984] ? mm_update_next_owner+0x990/0x990 [ 366.157659] ? print_usage_bug+0xc0/0xc0 [ 366.161727] ? __lock_acquire+0x7ec/0x4ec0 [ 366.165963] ? find_held_lock+0x36/0x1c0 [ 366.170043] ? __lock_acquire+0x7ec/0x4ec0 [ 366.174285] ? mark_held_locks+0x130/0x130 [ 366.178531] ? lock_acquire+0x1ed/0x520 [ 366.182525] ? mark_held_locks+0x130/0x130 [ 366.186766] ? arch_local_save_flags+0x40/0x40 [ 366.191352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.196915] ? __mutex_lock+0x872/0x1710 [ 366.200977] ? __switch_to_asm+0x40/0x70 [ 366.205039] ? __switch_to_asm+0x34/0x70 [ 366.209102] ? pipe_wait+0x266/0x2c0 [ 366.212827] ? mutex_trylock+0x2b0/0x2b0 [ 366.216908] ? graph_lock+0x170/0x170 [ 366.220719] ? find_held_lock+0x36/0x1c0 [ 366.224793] ? memset+0x31/0x40 [ 366.228091] ? find_held_lock+0x36/0x1c0 [ 366.232167] ? get_signal+0x95b/0x1980 [ 366.236065] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.240565] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.245074] do_group_exit+0x177/0x440 [ 366.248966] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.254420] ? __ia32_sys_exit+0x50/0x50 [ 366.258508] get_signal+0x8b0/0x1980 [ 366.262238] ? ptrace_notify+0x130/0x130 [ 366.266308] ? finish_wait+0x430/0x430 [ 366.270197] ? graph_lock+0x170/0x170 [ 366.274008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.279552] ? pipe_read+0x702/0x940 [ 366.283272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.288823] do_signal+0x9c/0x21e0 [ 366.292364] ? __vfs_read+0x11f/0x9b0 [ 366.296178] ? vfs_copy_file_range+0xb90/0xb90 [ 366.300765] ? setup_sigcontext+0x7d0/0x7d0 [ 366.305109] ? exit_to_usermode_loop+0x8c/0x380 [ 366.309802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.315346] exit_to_usermode_loop+0x2e5/0x380 [ 366.319939] ? syscall_slow_exit_work+0x520/0x520 [ 366.324785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.330338] do_syscall_64+0x6be/0x820 [ 366.334227] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.339595] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.344533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.349381] ? trace_hardirqs_off+0x300/0x300 [ 366.353884] ? prepare_exit_to_usermode+0x291/0x3b0 [ 366.358915] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.363769] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.368963] RIP: 0033:0x410e10 [ 366.372167] Code: Bad RIP value. [ 366.375532] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 366.383259] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 366.390556] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 366.397843] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 366.405126] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 366.412403] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 366.419703] warn_alloc_show_mem: 1 callbacks suppressed [ 366.419715] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 366.419717] Mem-Info: [ 366.419747] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 366.419747] active_file:19 inactive_file:16 isolated_file:0 [ 366.419747] unevictable:0 dirty:0 writeback:0 unstable:0 [ 366.419747] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 366.419747] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 366.419747] free:13785 free_pcp:397 free_cma:0 [ 366.425142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.425151] Call Trace: [ 366.432433] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 366.434832] [ 366.467612] Node 0 [ 366.476972] dump_stack+0x1c4/0x2b4 [ 366.479561] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 366.507134] ? dump_stack_print_info.cold.2+0x52/0x52 [ 366.509265] lowmem_reserve[]: [ 366.511520] warn_alloc.cold.118+0xb7/0x1bd [ 366.515107] 0 [ 366.540614] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.545776] 2815 [ 366.548895] ? lock_downgrade+0x900/0x900 [ 366.553194] 6318 [ 366.554996] ? trace_hardirqs_off+0xb8/0x300 [ 366.559809] 6318 [ 366.561871] ? trace_hardirqs_off+0xb8/0x300 [ 366.568057] __alloc_pages_slowpath+0x2667/0x2d80 [ 366.572436] Node 0 [ 366.574534] ? warn_alloc+0x120/0x120 [ 366.578911] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 366.583727] ? warn_alloc+0x120/0x120 [ 366.585939] lowmem_reserve[]: [ 366.589735] ? print_usage_bug+0xc0/0xc0 [ 366.616434] 0 [ 366.620240] ? warn_alloc+0x120/0x120 [ 366.623317] 0 [ 366.627394] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 366.629172] 3503 [ 366.632971] ? print_usage_bug+0xc0/0xc0 [ 366.634751] 3503 [ 366.639765] ? __lock_acquire+0x7ec/0x4ec0 [ 366.645861] ? __lock_acquire+0x7ec/0x4ec0 [ 366.647903] Node 0 [ 366.652132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.656362] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 366.658568] ? should_fail+0x22d/0xd01 [ 366.664077] lowmem_reserve[]: [ 366.692635] ? __lock_acquire+0x7ec/0x4ec0 [ 366.696499] 0 [ 366.699616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.703818] 0 0 [ 366.705633] ? __lock_acquire+0x7ec/0x4ec0 [ 366.710702] 0 [ 366.712678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.718687] ? __lock_acquire+0x7ec/0x4ec0 [ 366.723773] Node 0 [ 366.728010] ? should_fail+0x22d/0xd01 [ 366.728021] DMA: [ 366.730265] ? mark_held_locks+0x130/0x130 [ 366.734122] 1*4kB [ 366.736178] ? mark_held_locks+0x130/0x130 [ 366.740386] (U) [ 366.742550] ? graph_lock+0x170/0x170 [ 366.746749] 0*8kB [ 366.748721] ? print_usage_bug+0xc0/0xc0 [ 366.752496] 0*16kB [ 366.754651] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 366.758684] 1*32kB [ 366.760915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.765643] (U) [ 366.767875] ? check_preemption_disabled+0x48/0x200 [ 366.773402] 2*64kB [ 366.775664] ? check_preemption_disabled+0x48/0x200 [ 366.780660] (U) [ 366.782911] ? __lock_is_held+0xb5/0x140 [ 366.787882] 1*128kB (U) [ 366.789870] __alloc_pages_nodemask+0xa80/0xde0 [ 366.793898] 1*256kB [ 366.796567] ? graph_lock+0x170/0x170 [ 366.801212] (U) [ 366.803549] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 366.807312] 0*512kB 1*1024kB [ 366.809293] ? graph_lock+0x170/0x170 [ 366.814284] (U) [ 366.817396] ? find_held_lock+0x36/0x1c0 [ 366.821157] 1*2048kB (M) [ 366.823143] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.827169] 3*4096kB (M) [ 366.829929] ? lock_downgrade+0x900/0x900 [ 366.834572] = 15908kB [ 366.837329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.841445] Node 0 [ 366.843853] cache_grow_begin+0x91/0x8c0 [ 366.849361] DMA32: [ 366.851596] ? do_raw_spin_unlock+0xa7/0x2f0 [ 366.855632] 3*4kB [ 366.857868] fallback_alloc+0x203/0x2e0 [ 366.862251] (M) [ 366.864410] ____cache_alloc_node+0x1c7/0x1e0 [ 366.868356] 1*8kB [ 366.870339] kmem_cache_alloc_node+0xe3/0x730 [ 366.874797] (M) [ 366.876947] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.881414] 3*16kB [ 366.883396] __alloc_skb+0x119/0x770 [ 366.887598] (UM) [ 366.889835] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.893533] 3*32kB [ 366.895599] ? skb_scrub_packet+0x490/0x490 [ 366.900856] (UM) [ 366.903100] ? lock_downgrade+0x900/0x900 [ 366.907396] 2*64kB [ 366.909471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.913582] (UM) [ 366.915824] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.921328] 5*128kB [ 366.923411] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.928840] (UM) [ 366.931179] ? addrconf_rs_timer+0x6f0/0x6f0 [ 366.936605] 3*256kB [ 366.938673] ndisc_alloc_skb+0x144/0x340 [ 366.943056] (M) [ 366.945386] ndisc_send_rs+0x331/0x6e0 [ 366.949420] 4*512kB [ 366.951396] addrconf_rs_timer+0x3c0/0x6f0 [ 366.955253] (M) [ 366.957577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.961784] 3*1024kB [ 366.963763] call_timer_fn+0x272/0x920 [ 366.967961] (UM) [ 366.970368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.974230] 3*2048kB [ 366.976288] ? process_timeout+0x40/0x40 [ 366.980493] (M) [ 366.982907] ? find_held_lock+0x36/0x1c0 [ 366.986944] 3*4096kB [ 366.988918] ? __run_timers+0x7da/0xc70 [ 366.992946] (M) [ 366.995354] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.999300] = 25252kB [ 367.001271] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.005743] Node 0 [ 367.008148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.012618] Normal: [ 367.014851] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 367.019061] 1016*4kB [ 367.021383] ? trace_hardirqs_on+0xbd/0x310 [ 367.025937] (UME) [ 367.028342] ? kasan_check_read+0x11/0x20 [ 367.032638] 348*8kB [ 367.034783] ? __run_timers+0x7da/0xc70 [ 367.038906] (UME) [ 367.041227] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.045174] 167*16kB [ 367.047328] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.052746] (UME) [ 367.055155] __run_timers+0x7e5/0xc70 [ 367.059366] 68*32kB [ 367.061533] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 367.065292] (UME) [ 367.067609] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 367.072942] 21*64kB (M) [ 367.075096] ? graph_lock+0x170/0x170 [ 367.080086] 6*128kB [ 367.082755] ? enqueue_hrtimer+0x1a5/0x560 [ 367.086537] (UM) [ 367.088856] ? lock_release+0x970/0x970 [ 367.093079] 1*256kB (U) [ 367.095148] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 367.099097] 0*512kB [ 367.101765] ? find_held_lock+0x36/0x1c0 [ 367.106927] 0*1024kB [ 367.109246] ? graph_lock+0x170/0x170 [ 367.113284] 0*2048kB [ 367.115689] ? pvclock_read_flags+0x160/0x160 [ 367.119458] 0*4096kB = 14064kB [ 367.121880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.126355] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 367.129554] ? check_preemption_disabled+0x48/0x200 [ 367.135069] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 367.143904] ? __lock_is_held+0xb5/0x140 [ 367.148890] 503 total pagecache pages [ 367.157476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.161525] 0 pages in swap cache [ 367.165317] ? check_preemption_disabled+0x48/0x200 [ 367.170832] Swap cache stats: add 0, delete 0, find 0/0 [ 367.174280] run_timer_softirq+0x52/0xb0 [ 367.179266] Free swap = 0kB [ 367.184624] ? rcu_read_lock_sched_held+0x108/0x120 [ 367.188659] Total swap = 0kB [ 367.191673] __do_softirq+0x30b/0xad8 [ 367.196661] 1965979 pages RAM [ 367.199700] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 367.203463] 0 pages HighMem/MovableOnly [ 367.203471] 343324 pages reserved [ 367.206573] ? pvclock_read_flags+0x160/0x160 [ 367.211665] 0 pages cma reserved [ 367.215634] ? lapic_next_event+0x5a/0x90 [ 367.219145] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.223550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.223563] ? check_preemption_disabled+0x48/0x200 [ 367.223575] ? check_preemption_disabled+0x48/0x200 [ 367.223595] ? kvm_clock_read+0x18/0x30 [ 367.227172] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.231088] ? kvm_sched_clock_read+0x9/0x20 [ 367.237555] syz-executor2 cpuset= [ 367.243090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.248080] syz2 [ 367.253094] ? check_preemption_disabled+0x48/0x200 [ 367.257051] mems_allowed=0 [ 367.267550] irq_exit+0x17f/0x1c0 [ 367.294207] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.299064] ? smp_reschedule_interrupt+0x109/0x650 [ 367.304101] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.309993] ? interrupt_entry+0xb5/0xf0 [ 367.314063] ? trace_hardirqs_off_caller+0xbb/0x300 [ 367.319081] ? trace_hardirqs_off_caller+0xbb/0x300 [ 367.324127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.328985] ? trace_hardirqs_off+0x300/0x300 [ 367.333482] ? trace_hardirqs_off+0x300/0x300 [ 367.337990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.343541] ? check_preemption_disabled+0x48/0x200 [ 367.348562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.354113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.358968] apic_timer_interrupt+0xf/0x20 [ 367.363206] [ 367.365455] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 367.370392] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 367.389320] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 367.397035] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 367.404302] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 367.411574] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 367.418841] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 367.426107] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 367.433426] skb_clone+0x1bb/0x500 [ 367.436971] ? skb_split+0x11e0/0x11e0 [ 367.440863] ? preempt_notifier_register+0x200/0x200 [ 367.445966] ? __switch_to_asm+0x34/0x70 [ 367.450032] ? __switch_to_asm+0x34/0x70 [ 367.454098] ? __switch_to_asm+0x40/0x70 [ 367.458157] ? __switch_to_asm+0x34/0x70 [ 367.462217] ? __switch_to_asm+0x40/0x70 [ 367.466283] ? __switch_to_asm+0x40/0x70 [ 367.470346] ? __switch_to_asm+0x34/0x70 [ 367.474411] ? __switch_to_asm+0x34/0x70 [ 367.478491] ? __switch_to_asm+0x40/0x70 [ 367.482567] ? __switch_to_asm+0x34/0x70 [ 367.486653] bpf_clone_redirect+0xb9/0x490 [ 367.490914] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 367.495955] ? __sched_text_start+0x8/0x8 [ 367.500119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 367.504915] ? find_held_lock+0x36/0x1c0 [ 367.509003] ? lock_acquire+0x1ed/0x520 [ 367.512987] ? bpf_test_run+0x32e/0x5a0 [ 367.516968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.522515] ? check_preemption_disabled+0x48/0x200 [ 367.527566] ? kasan_check_read+0x11/0x20 [ 367.531727] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.537008] ? rcu_bh_qs+0xc0/0xc0 [ 367.540558] ? preempt_schedule+0x4d/0x60 [ 367.544714] ? ___preempt_schedule+0x16/0x18 [ 367.549220] ? bpf_test_run+0x1c0/0x5a0 [ 367.553216] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 367.558086] ? netlink_diag_dump+0x2a0/0x2a0 [ 367.562501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.568060] ? bpf_test_init.isra.9+0x70/0x100 [ 367.572662] ? bpf_prog_test_run_skb+0x634/0xb40 [ 367.577427] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 367.582271] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 367.587809] ? fput+0x130/0x1a0 [ 367.591090] ? __bpf_prog_get+0x9b/0x290 [ 367.595156] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 367.599998] ? bpf_prog_test_run+0x130/0x1a0 [ 367.604414] ? __x64_sys_bpf+0x3d8/0x510 [ 367.608483] ? bpf_prog_get+0x20/0x20 [ 367.612321] ? do_syscall_64+0x1b9/0x820 [ 367.616470] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 367.621845] ? syscall_return_slowpath+0x5e0/0x5e0 [ 367.626780] ? trace_hardirqs_off+0x300/0x300 [ 367.631276] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 367.636292] ? recalc_sigpending_tsk+0x180/0x180 [ 367.641049] ? kasan_check_write+0x14/0x20 [ 367.645761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.650618] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 367.656004] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 367.656115] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.663201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.663206] Call Trace: [ 367.663213] [ 367.663230] dump_stack+0x1c4/0x2b4 [ 367.663245] ? dump_stack_print_info.cold.2+0x52/0x52 [ 367.663272] warn_alloc.cold.118+0xb7/0x1bd [ 367.669807] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.679108] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 367.681670] syz-executor4 cpuset= [ 367.683814] ? lock_downgrade+0x900/0x900 [ 367.687415] syz4 [ 367.692602] ? trace_hardirqs_off+0xb8/0x300 [ 367.696901] mems_allowed=0 [ 367.707392] ? trace_hardirqs_off+0xb8/0x300 [ 367.733598] __alloc_pages_slowpath+0x2667/0x2d80 [ 367.738480] ? warn_alloc+0x120/0x120 [ 367.742298] ? warn_alloc+0x120/0x120 [ 367.746105] ? print_usage_bug+0xc0/0xc0 [ 367.750351] ? warn_alloc+0x120/0x120 [ 367.754154] ? print_usage_bug+0xc0/0xc0 [ 367.758221] ? graph_lock+0x170/0x170 [ 367.762021] ? kvm_sched_clock_read+0x9/0x20 [ 367.766441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.771979] ? should_fail+0x22d/0xd01 [ 367.775875] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.780982] ? __lock_acquire+0x7ec/0x4ec0 [ 367.785223] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.790327] ? __lock_acquire+0x7ec/0x4ec0 [ 367.794560] ? should_fail+0x22d/0xd01 [ 367.798462] ? mark_held_locks+0x130/0x130 [ 367.802704] ? mark_held_locks+0x130/0x130 [ 367.806947] ? select_task_rq_fair+0x754/0x34f0 [ 367.811621] ? lock_downgrade+0x900/0x900 [ 367.815770] ? check_preemption_disabled+0x48/0x200 [ 367.820788] ? graph_lock+0x170/0x170 [ 367.824589] ? print_usage_bug+0xc0/0xc0 [ 367.828653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.834190] ? check_preemption_disabled+0x48/0x200 [ 367.839207] ? check_preemption_disabled+0x48/0x200 [ 367.844241] ? __lock_is_held+0xb5/0x140 [ 367.848310] __alloc_pages_nodemask+0xa80/0xde0 [ 367.853003] ? graph_lock+0x170/0x170 [ 367.856817] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 367.861847] ? graph_lock+0x170/0x170 [ 367.865662] ? find_held_lock+0x36/0x1c0 [ 367.869735] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.874412] ? lock_downgrade+0x900/0x900 [ 367.878586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.884138] cache_grow_begin+0x91/0x8c0 [ 367.888207] ? do_raw_spin_unlock+0xa7/0x2f0 [ 367.892653] fallback_alloc+0x203/0x2e0 [ 367.896666] ____cache_alloc_node+0x1c7/0x1e0 [ 367.901179] kmem_cache_alloc_node+0xe3/0x730 [ 367.905682] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.909933] __alloc_skb+0x119/0x770 [ 367.913654] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.918943] ? skb_scrub_packet+0x490/0x490 [ 367.923267] ? lock_downgrade+0x900/0x900 [ 367.927427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.932972] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.938438] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.944073] ? addrconf_rs_timer+0x6f0/0x6f0 [ 367.948516] ndisc_alloc_skb+0x144/0x340 [ 367.952592] ndisc_send_rs+0x331/0x6e0 [ 367.956496] addrconf_rs_timer+0x3c0/0x6f0 [ 367.960782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.965049] call_timer_fn+0x272/0x920 [ 367.968955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.973203] ? process_timeout+0x40/0x40 [ 367.977271] ? find_held_lock+0x36/0x1c0 [ 367.981352] ? mark_held_locks+0xc7/0x130 [ 367.985517] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.990022] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.994533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.998775] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 368.003363] ? trace_hardirqs_on+0xbd/0x310 [ 368.007685] ? kasan_check_read+0x11/0x20 [ 368.011839] ? __run_timers+0x7da/0xc70 [ 368.015823] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.021292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.025540] __run_timers+0x7e5/0xc70 [ 368.029360] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 368.034729] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.039755] ? graph_lock+0x170/0x170 [ 368.043565] ? print_usage_bug+0xc0/0xc0 [ 368.047626] ? lock_release+0x970/0x970 [ 368.051608] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 368.056816] ? find_held_lock+0x36/0x1c0 [ 368.060891] ? graph_lock+0x170/0x170 [ 368.064706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.070253] ? check_preemption_disabled+0x48/0x200 [ 368.075291] ? __lock_is_held+0xb5/0x140 [ 368.079358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.084900] ? check_preemption_disabled+0x48/0x200 [ 368.089937] run_timer_softirq+0x52/0xb0 [ 368.094015] ? rcu_read_lock_sched_held+0x108/0x120 [ 368.099055] __do_softirq+0x30b/0xad8 [ 368.102877] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 368.107991] ? pvclock_read_flags+0x160/0x160 [ 368.112492] ? lapic_next_event+0x5a/0x90 [ 368.116658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.122198] ? check_preemption_disabled+0x48/0x200 [ 368.127215] ? check_preemption_disabled+0x48/0x200 [ 368.132244] ? kvm_clock_read+0x18/0x30 [ 368.136226] ? kvm_sched_clock_read+0x9/0x20 [ 368.140646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.146199] ? check_preemption_disabled+0x48/0x200 [ 368.151249] irq_exit+0x17f/0x1c0 [ 368.154719] smp_apic_timer_interrupt+0x1cb/0x760 [ 368.159573] ? smp_reschedule_interrupt+0x109/0x650 [ 368.164601] ? smp_call_function_single_interrupt+0x650/0x650 [ 368.170495] ? interrupt_entry+0xb5/0xf0 [ 368.174577] ? trace_hardirqs_off_caller+0xbb/0x300 [ 368.179599] ? trace_hardirqs_off_caller+0xbb/0x300 [ 368.184631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.189484] ? trace_hardirqs_off+0x300/0x300 [ 368.193995] ? trace_hardirqs_off+0x300/0x300 [ 368.198512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.204070] ? check_preemption_disabled+0x48/0x200 [ 368.209096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.214657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.219527] apic_timer_interrupt+0xf/0x20 [ 368.223763] [ 368.226005] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 368.231302] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 368.250222] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 368.257960] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 368.265256] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 368.272555] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 368.279846] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 368.287140] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 368.294457] ? arch_local_irq_restore+0x45/0x52 [ 368.299190] dump_stack+0x26a/0x2b4 [ 368.302857] ? dump_stack_print_info.cold.2+0x52/0x52 [ 368.308077] ? mark_held_locks+0x130/0x130 [ 368.312329] ? mark_held_locks+0x130/0x130 [ 368.316586] dump_header+0x27b/0xf72 [ 368.320339] ? pagefault_out_of_memory+0x197/0x197 [ 368.325298] ? mark_held_locks+0x130/0x130 [ 368.329559] ? __lock_acquire+0x7ec/0x4ec0 [ 368.333815] ? print_usage_bug+0xc0/0xc0 [ 368.337897] ? graph_lock+0x170/0x170 [ 368.341708] ? graph_lock+0x170/0x170 [ 368.345532] ? print_usage_bug+0xc0/0xc0 [ 368.349605] ? print_usage_bug+0xc0/0xc0 [ 368.353690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.359259] ? find_held_lock+0x36/0x1c0 [ 368.363350] ? mark_held_locks+0xc7/0x130 [ 368.367521] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 368.372643] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 368.377759] ? lockdep_hardirqs_on+0x421/0x5c0 [ 368.382360] ? trace_hardirqs_on+0xbd/0x310 [ 368.386691] ? kasan_check_read+0x11/0x20 [ 368.390861] ? ___ratelimit+0x36f/0x655 [ 368.394851] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.400314] ? trace_hardirqs_on+0x310/0x310 [ 368.404734] ? lock_downgrade+0x900/0x900 [ 368.408898] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.414015] ? ___ratelimit+0xaa/0x655 [ 368.417923] ? idr_get_free+0xec0/0xec0 [ 368.421909] ? kasan_check_write+0x14/0x20 [ 368.426155] ? do_raw_spin_lock+0xc1/0x200 [ 368.430406] oom_kill_process.cold.27+0x10/0x903 [ 368.435173] ? graph_lock+0x170/0x170 [ 368.438977] ? _raw_spin_unlock+0x2c/0x50 [ 368.443147] ? oom_badness+0xe6/0xaa0 [ 368.446961] ? oom_evaluate_task+0x540/0x540 [ 368.451383] ? find_held_lock+0x36/0x1c0 [ 368.455464] ? out_of_memory+0x974/0x14c0 [ 368.459624] ? lock_downgrade+0x900/0x900 [ 368.463777] ? check_preemption_disabled+0x48/0x200 [ 368.468803] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 368.474601] ? kasan_check_read+0x11/0x20 [ 368.478754] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.484043] ? rcu_bh_qs+0xc0/0xc0 [ 368.487596] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.492618] ? oom_evaluate_task+0x302/0x540 [ 368.497046] out_of_memory+0xa86/0x14c0 [ 368.501044] ? oom_killer_disable+0x3a0/0x3a0 [ 368.505550] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 368.510488] ? __mutex_add_waiter+0x2a0/0x2a0 [ 368.515014] __alloc_pages_slowpath+0x2318/0x2d80 [ 368.519898] ? warn_alloc+0x120/0x120 [ 368.523706] ? lock_downgrade+0x900/0x900 [ 368.527866] ? print_usage_bug+0xc0/0xc0 [ 368.531937] ? warn_alloc+0x120/0x120 [ 368.535746] ? print_usage_bug+0xc0/0xc0 [ 368.539814] ? debug_check_no_obj_freed+0x305/0x58d [ 368.544847] ? print_usage_bug+0xc0/0xc0 [ 368.548924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.554479] ? should_fail+0x22d/0xd01 [ 368.558394] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.563532] ? __lock_acquire+0x7ec/0x4ec0 [ 368.567816] ? __lock_is_held+0xb5/0x140 [ 368.571905] ? graph_lock+0x170/0x170 [ 368.575728] ? ___might_sleep+0x1ed/0x300 [ 368.579885] ? lock_release+0x970/0x970 [ 368.583876] ? arch_local_save_flags+0x40/0x40 [ 368.588497] ? __might_sleep+0x95/0x190 [ 368.592514] __alloc_pages_nodemask+0xa80/0xde0 [ 368.597205] ? graph_lock+0x170/0x170 [ 368.601036] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 368.606072] ? graph_lock+0x170/0x170 [ 368.609901] ? mark_held_locks+0xc7/0x130 [ 368.614154] ? find_held_lock+0x36/0x1c0 [ 368.618241] ? cache_grow_begin+0x5a4/0x8c0 [ 368.622592] ? lockdep_hardirqs_on+0x421/0x5c0 [ 368.627208] ? trace_hardirqs_on+0xbd/0x310 [ 368.631558] ? fallback_alloc+0x203/0x2e0 [ 368.635725] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.641197] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 368.646764] cache_grow_begin+0x91/0x8c0 [ 368.650844] ? do_raw_spin_unlock+0xa7/0x2f0 [ 368.655272] fallback_alloc+0x203/0x2e0 [ 368.659264] ____cache_alloc_node+0x1c7/0x1e0 [ 368.663863] kmem_cache_alloc_node_trace+0xe7/0x740 [ 368.668908] __kmalloc_node_track_caller+0x33/0x70 [ 368.673854] __kmalloc_reserve.isra.39+0x41/0xe0 [ 368.678622] __alloc_skb+0x155/0x770 [ 368.682349] ? skb_scrub_packet+0x490/0x490 [ 368.686680] ? if_nlmsg_size+0x5d1/0xbb0 [ 368.690756] ? nla_put_ifalias+0x170/0x170 [ 368.695040] ? softnet_seq_show+0x470/0x470 [ 368.699369] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 368.704395] ? netif_tx_stop_all_queues+0xd9/0x110 [ 368.709342] rtmsg_ifinfo_build_skb+0x74/0x190 [ 368.713949] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 368.718816] rtmsg_ifinfo+0x8c/0xa0 [ 368.722467] dev_close_many+0x3be/0x860 [ 368.726468] ? unlist_netdevice+0x670/0x670 [ 368.730817] ? find_held_lock+0x36/0x1c0 [ 368.734901] ? __queue_work+0x6be/0x1440 [ 368.738974] ? lock_downgrade+0x900/0x900 [ 368.743130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.748668] ? rtnl_is_locked+0xb5/0xf0 [ 368.752646] ? rtnl_trylock+0x20/0x20 [ 368.756448] ? do_raw_spin_unlock+0xa7/0x2f0 [ 368.760859] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 368.765450] rollback_registered_many+0x56e/0x1240 [ 368.770391] ? generic_xdp_install+0x4c0/0x4c0 [ 368.775558] ? max_active_store+0x170/0x170 [ 368.779886] ? graph_lock+0x170/0x170 [ 368.783687] ? print_usage_bug+0xc0/0xc0 [ 368.787753] ? print_usage_bug+0xc0/0xc0 [ 368.791864] ? kfree_skbmem+0x154/0x230 [ 368.795839] ? graph_lock+0x170/0x170 [ 368.799642] ? print_usage_bug+0xc0/0xc0 [ 368.803708] ? find_held_lock+0x36/0x1c0 [ 368.807782] ? mark_held_locks+0xc7/0x130 [ 368.811937] rollback_registered+0x1e9/0x420 [ 368.816346] ? lockdep_hardirqs_on+0x351/0x5c0 [ 368.820929] ? rollback_registered_many+0x1240/0x1240 [ 368.826123] ? trace_hardirqs_on+0xbd/0x310 [ 368.830451] ? linkwatch_schedule_work+0x150/0x170 [ 368.835386] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.840839] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.846375] ? rtnl_is_locked+0xb5/0xf0 [ 368.850352] ? rtnl_trylock+0x20/0x20 [ 368.854159] ? queue_delayed_work_on+0x130/0x1f0 [ 368.858920] unregister_netdevice_queue+0x321/0x5e0 [ 368.863940] ? rollback_registered+0x420/0x420 [ 368.868531] ? linkwatch_schedule_work+0x170/0x170 [ 368.873466] ? tun_show_owner+0x170/0x170 [ 368.877618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.883169] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 368.888550] ? __tun_detach+0x6ba/0x15c0 [ 368.892624] __tun_detach+0x11b8/0x15c0 [ 368.896606] ? __call_rcu.constprop.69+0x429/0xbc0 [ 368.901553] ? tun_attach+0x1770/0x1770 [ 368.905540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.911078] ? check_preemption_disabled+0x48/0x200 [ 368.916107] ? graph_lock+0x170/0x170 [ 368.919909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.925445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.930989] ? locks_remove_file+0x3c6/0x5c0 [ 368.935422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.940961] ? ima_file_free+0x132/0x650 [ 368.945033] ? __lock_is_held+0xb5/0x140 [ 368.949099] ? __tun_detach+0x15c0/0x15c0 [ 368.953257] ? __tun_detach+0x15c0/0x15c0 [ 368.957404] tun_chr_close+0xe3/0x180 [ 368.961208] __fput+0x385/0xa30 [ 368.964496] ? get_max_files+0x20/0x20 [ 368.968401] ? ___might_sleep+0x1ed/0x300 [ 368.972554] ? arch_local_save_flags+0x40/0x40 [ 368.977144] ____fput+0x15/0x20 [ 368.980424] task_work_run+0x1e8/0x2a0 [ 368.984319] ? task_work_cancel+0x240/0x240 [ 368.988647] ? switch_task_namespaces+0xb8/0xd0 [ 368.993326] do_exit+0x1ad7/0x2610 [ 368.996880] ? mm_update_next_owner+0x990/0x990 [ 369.001551] ? print_usage_bug+0xc0/0xc0 [ 369.005622] ? __lock_acquire+0x7ec/0x4ec0 [ 369.009860] ? find_held_lock+0x36/0x1c0 [ 369.013936] ? __lock_acquire+0x7ec/0x4ec0 [ 369.018178] ? mark_held_locks+0x130/0x130 [ 369.022422] ? lock_acquire+0x1ed/0x520 [ 369.026410] ? mark_held_locks+0x130/0x130 [ 369.030649] ? arch_local_save_flags+0x40/0x40 [ 369.035232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.040791] ? __mutex_lock+0x872/0x1710 [ 369.044871] ? __switch_to_asm+0x40/0x70 [ 369.048935] ? __switch_to_asm+0x34/0x70 [ 369.052997] ? pipe_wait+0x266/0x2c0 [ 369.056725] ? mutex_trylock+0x2b0/0x2b0 [ 369.060819] ? graph_lock+0x170/0x170 [ 369.064623] ? find_held_lock+0x36/0x1c0 [ 369.068694] ? memset+0x31/0x40 [ 369.071990] ? find_held_lock+0x36/0x1c0 [ 369.076065] ? get_signal+0x95b/0x1980 [ 369.079959] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.084472] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.088986] do_group_exit+0x177/0x440 [ 369.092881] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.098333] ? __ia32_sys_exit+0x50/0x50 [ 369.102411] get_signal+0x8b0/0x1980 [ 369.106138] ? ptrace_notify+0x130/0x130 [ 369.110207] ? finish_wait+0x430/0x430 [ 369.114114] ? graph_lock+0x170/0x170 [ 369.117934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.123474] ? pipe_read+0x702/0x940 [ 369.127198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.132746] do_signal+0x9c/0x21e0 [ 369.136308] ? __vfs_read+0x11f/0x9b0 [ 369.140116] ? vfs_copy_file_range+0xb90/0xb90 [ 369.144702] ? setup_sigcontext+0x7d0/0x7d0 [ 369.149052] ? exit_to_usermode_loop+0x8c/0x380 [ 369.153746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.159292] exit_to_usermode_loop+0x2e5/0x380 [ 369.163877] ? syscall_slow_exit_work+0x520/0x520 [ 369.168720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.174280] do_syscall_64+0x6be/0x820 [ 369.178178] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.183561] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.188512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.193374] ? trace_hardirqs_off+0x300/0x300 [ 369.197885] ? prepare_exit_to_usermode+0x291/0x3b0 [ 369.202911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.207766] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.212958] RIP: 0033:0x410e10 [ 369.216163] Code: Bad RIP value. [ 369.219532] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 369.227246] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 369.234523] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 369.242076] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 369.249344] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 369.256613] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 369.263935] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 369.263941] warn_alloc_show_mem: 1 callbacks suppressed [ 369.263948] Mem-Info: [ 369.271229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.276595] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 369.276595] active_file:19 inactive_file:16 isolated_file:0 [ 369.276595] unevictable:0 dirty:0 writeback:0 unstable:0 [ 369.276595] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 369.276595] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 369.276595] free:13785 free_pcp:397 free_cma:0 [ 369.278971] Call Trace: [ 369.288363] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 369.321140] [ 369.323722] Node 0 [ 369.351316] dump_stack+0x1c4/0x2b4 [ 369.353465] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 369.355673] ? dump_stack_print_info.cold.2+0x52/0x52 [ 369.359274] lowmem_reserve[]: [ 369.384783] warn_alloc.cold.118+0xb7/0x1bd [ 369.389936] 0 [ 369.393034] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.397337] 2815 [ 369.399135] ? lock_downgrade+0x900/0x900 [ 369.403950] 6318 [ 369.406012] ? trace_hardirqs_off+0xb8/0x300 [ 369.410132] 6318 [ 369.412191] ? trace_hardirqs_off+0xb8/0x300 [ 369.416575] Node 0 [ 369.418641] __alloc_pages_slowpath+0x2667/0x2d80 [ 369.423048] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 369.425273] ? warn_alloc+0x120/0x120 [ 369.430065] lowmem_reserve[]: [ 369.456781] ? warn_alloc+0x120/0x120 [ 369.460555] 0 [ 369.463657] ? print_usage_bug+0xc0/0xc0 [ 369.467431] 0 [ 369.469227] ? warn_alloc+0x120/0x120 [ 369.473261] 3503 3503 [ 369.475070] ? print_usage_bug+0xc0/0xc0 [ 369.478843] Node 0 [ 369.481333] ? __lock_acquire+0x7ec/0x4ec0 [ 369.485395] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 369.487598] ? __lock_acquire+0x7ec/0x4ec0 [ 369.491802] lowmem_reserve[]: 0 [ 369.520367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.524575] 0 [ 369.527853] ? should_fail+0x22d/0xd01 [ 369.533364] 0 [ 369.535163] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.539025] 0 [ 369.540825] ? __lock_acquire+0x7ec/0x4ec0 [ 369.547730] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.551945] Node 0 [ 369.557059] ? __lock_acquire+0x7ec/0x4ec0 [ 369.557071] DMA: [ 369.559308] ? should_fail+0x22d/0xd01 [ 369.563529] 1*4kB [ 369.565618] ? mark_held_locks+0x130/0x130 [ 369.569474] (U) [ 369.571650] ? mark_held_locks+0x130/0x130 [ 369.575858] 0*8kB [ 369.577841] ? graph_lock+0x170/0x170 [ 369.582054] 0*16kB [ 369.584232] ? graph_lock+0x170/0x170 [ 369.587999] 1*32kB (U) [ 369.590267] ? graph_lock+0x170/0x170 [ 369.594048] 2*64kB [ 369.596642] ? print_usage_bug+0xc0/0xc0 [ 369.600420] (U) [ 369.602680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.606716] 1*128kB [ 369.608702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.614240] (U) [ 369.616582] ? check_preemption_disabled+0x48/0x200 [ 369.622101] 1*256kB [ 369.624084] ? check_preemption_disabled+0x48/0x200 [ 369.629070] (U) [ 369.631409] ? __lock_is_held+0xb5/0x140 [ 369.636733] 0*512kB [ 369.638711] __alloc_pages_nodemask+0xa80/0xde0 [ 369.642737] 1*1024kB [ 369.645499] ? graph_lock+0x170/0x170 [ 369.650156] (U) [ 369.652573] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 369.656342] 1*2048kB [ 369.658309] ? graph_lock+0x170/0x170 [ 369.663299] (M) [ 369.665713] ? find_held_lock+0x36/0x1c0 [ 369.669482] 3*4096kB [ 369.671463] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.675493] (M) [ 369.677905] ? lock_downgrade+0x900/0x900 [ 369.682551] = 15908kB [ 369.684539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.688655] Node 0 [ 369.691063] cache_grow_begin+0x91/0x8c0 [ 369.696575] DMA32: [ 369.698812] ? do_raw_spin_unlock+0xa7/0x2f0 [ 369.702846] 3*4kB [ 369.705086] fallback_alloc+0x203/0x2e0 [ 369.709460] (M) [ 369.711609] ____cache_alloc_node+0x1c7/0x1e0 [ 369.715554] 1*8kB [ 369.717595] kmem_cache_alloc_node+0xe3/0x730 [ 369.722067] (M) [ 369.724219] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.728684] 3*16kB (UM) [ 369.730671] __alloc_skb+0x119/0x770 [ 369.734876] 3*32kB [ 369.737555] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.741242] (UM) [ 369.743478] ? skb_scrub_packet+0x490/0x490 [ 369.748725] 2*64kB [ 369.750781] ? lock_downgrade+0x900/0x900 [ 369.755078] (UM) [ 369.757316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.761429] 5*128kB (UM) [ 369.763536] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.769046] 3*256kB [ 369.771802] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.777227] (M) [ 369.779554] ? addrconf_rs_timer+0x6f0/0x6f0 [ 369.784977] 4*512kB [ 369.786956] ndisc_alloc_skb+0x144/0x340 [ 369.791328] (M) [ 369.793651] ndisc_send_rs+0x331/0x6e0 [ 369.797683] 3*1024kB [ 369.799669] addrconf_rs_timer+0x3c0/0x6f0 [ 369.803527] (UM) 3*2048kB (M) [ 369.805951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.810151] 3*4096kB (M) [ 369.813359] call_timer_fn+0x272/0x920 [ 369.817556] = 25252kB [ 369.817564] Node 0 [ 369.820319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.824186] Normal: 1016*4kB [ 369.826605] ? process_timeout+0x40/0x40 [ 369.828817] (UME) [ 369.833041] ? find_held_lock+0x36/0x1c0 [ 369.833064] ? __run_timers+0x7da/0xc70 [ 369.836140] 348*8kB [ 369.840193] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.842317] (UME) [ 369.846374] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.850325] 167*16kB [ 369.852640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.857124] (UME) [ 369.859270] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 369.863755] 68*32kB [ 369.866158] ? trace_hardirqs_on+0xbd/0x310 [ 369.870364] (UME) [ 369.872516] ? kasan_check_read+0x11/0x20 [ 369.877069] 21*64kB (M) [ 369.879397] ? __run_timers+0x7da/0xc70 [ 369.883693] 6*128kB [ 369.885845] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.889966] (UM) [ 369.892634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.896584] 1*256kB [ 369.898903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.904325] (U) [ 369.906387] __run_timers+0x7e5/0xc70 [ 369.910597] 0*512kB [ 369.912925] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 369.917127] 0*1024kB [ 369.919101] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.922893] 0*2048kB [ 369.925210] ? graph_lock+0x170/0x170 [ 369.930548] 0*4096kB [ 369.932953] ? enqueue_hrtimer+0x1a5/0x560 [ 369.937944] = 14064kB [ 369.940347] ? lock_release+0x970/0x970 [ 369.944127] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 369.946535] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.950748] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 369.953148] ? find_held_lock+0x36/0x1c0 [ 369.957094] 503 total pagecache pages [ 369.965922] ? graph_lock+0x170/0x170 [ 369.971092] 0 pages in swap cache [ 369.979651] ? pvclock_read_flags+0x160/0x160 [ 369.983694] Swap cache stats: add 0, delete 0, find 0/0 [ 369.987487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.991262] Free swap = 0kB [ 369.994709] ? check_preemption_disabled+0x48/0x200 [ 369.999178] Total swap = 0kB [ 370.004552] ? __lock_is_held+0xb5/0x140 [ 370.010056] 1965979 pages RAM [ 370.013069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.018064] 0 pages HighMem/MovableOnly [ 370.021079] ? check_preemption_disabled+0x48/0x200 [ 370.025111] 343324 pages reserved [ 370.025119] 0 pages cma reserved [ 370.028223] run_timer_softirq+0x52/0xb0 [ 370.033863] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.037716] ? rcu_read_lock_sched_held+0x108/0x120 [ 370.042770] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.046150] __do_softirq+0x30b/0xad8 [ 370.049492] syz-executor2 cpuset= [ 370.053565] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 370.060023] syz2 [ 370.065036] ? pvclock_read_flags+0x160/0x160 [ 370.075502] mems_allowed=0 [ 370.079306] ? lapic_next_event+0x5a/0x90 [ 370.101316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.106855] ? check_preemption_disabled+0x48/0x200 [ 370.111868] ? check_preemption_disabled+0x48/0x200 [ 370.116889] ? kvm_clock_read+0x18/0x30 [ 370.120871] ? kvm_sched_clock_read+0x9/0x20 [ 370.125283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.130817] ? check_preemption_disabled+0x48/0x200 [ 370.135871] irq_exit+0x17f/0x1c0 [ 370.139334] smp_apic_timer_interrupt+0x1cb/0x760 [ 370.144176] ? smp_reschedule_interrupt+0x109/0x650 [ 370.149197] ? smp_call_function_single_interrupt+0x650/0x650 [ 370.155083] ? interrupt_entry+0xb5/0xf0 [ 370.159147] ? trace_hardirqs_off_caller+0xbb/0x300 [ 370.164162] ? trace_hardirqs_off_caller+0xbb/0x300 [ 370.169181] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.174027] ? trace_hardirqs_off+0x300/0x300 [ 370.178540] ? trace_hardirqs_off+0x300/0x300 [ 370.183047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.188604] ? check_preemption_disabled+0x48/0x200 [ 370.193637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.199200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.204064] apic_timer_interrupt+0xf/0x20 [ 370.208295] [ 370.210552] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 370.215490] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 370.234406] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 370.242115] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 370.249385] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 370.256652] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 370.263917] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 370.271189] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 370.278515] skb_clone+0x1bb/0x500 [ 370.282067] ? skb_split+0x11e0/0x11e0 [ 370.285961] ? preempt_notifier_register+0x200/0x200 [ 370.291064] ? __switch_to_asm+0x34/0x70 [ 370.295131] ? __switch_to_asm+0x34/0x70 [ 370.299191] ? __switch_to_asm+0x40/0x70 [ 370.303256] ? __switch_to_asm+0x34/0x70 [ 370.307315] ? __switch_to_asm+0x40/0x70 [ 370.311376] ? __switch_to_asm+0x40/0x70 [ 370.315439] ? __switch_to_asm+0x34/0x70 [ 370.319501] ? __switch_to_asm+0x34/0x70 [ 370.323574] ? __switch_to_asm+0x40/0x70 [ 370.327635] ? __switch_to_asm+0x34/0x70 [ 370.331706] bpf_clone_redirect+0xb9/0x490 [ 370.335952] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 370.340971] ? __sched_text_start+0x8/0x8 [ 370.345122] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 370.349889] ? find_held_lock+0x36/0x1c0 [ 370.353961] ? lock_acquire+0x1ed/0x520 [ 370.357939] ? bpf_test_run+0x32e/0x5a0 [ 370.361915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.367450] ? check_preemption_disabled+0x48/0x200 [ 370.372469] ? kasan_check_read+0x11/0x20 [ 370.376618] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.381896] ? rcu_bh_qs+0xc0/0xc0 [ 370.385438] ? preempt_schedule+0x4d/0x60 [ 370.389590] ? ___preempt_schedule+0x16/0x18 [ 370.394009] ? bpf_test_run+0x1c0/0x5a0 [ 370.397989] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 370.402843] ? netlink_diag_dump+0x2a0/0x2a0 [ 370.407256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.412796] ? bpf_test_init.isra.9+0x70/0x100 [ 370.417388] ? bpf_prog_test_run_skb+0x634/0xb40 [ 370.422157] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 370.427000] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 370.432544] ? fput+0x130/0x1a0 [ 370.435826] ? __bpf_prog_get+0x9b/0x290 [ 370.439895] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 370.444739] ? bpf_prog_test_run+0x130/0x1a0 [ 370.449151] ? __x64_sys_bpf+0x3d8/0x510 [ 370.453211] ? bpf_prog_get+0x20/0x20 [ 370.457032] ? do_syscall_64+0x1b9/0x820 [ 370.461093] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 370.466463] ? syscall_return_slowpath+0x5e0/0x5e0 [ 370.471397] ? trace_hardirqs_off+0x300/0x300 [ 370.475894] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 370.480914] ? recalc_sigpending_tsk+0x180/0x180 [ 370.485674] ? kasan_check_write+0x14/0x20 [ 370.489918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.494775] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 370.500167] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 370.500261] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.507368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.507374] Call Trace: [ 370.507382] [ 370.507402] dump_stack+0x1c4/0x2b4 [ 370.507416] ? dump_stack_print_info.cold.2+0x52/0x52 [ 370.507440] warn_alloc.cold.118+0xb7/0x1bd [ 370.507458] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.514045] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.523291] ? lock_downgrade+0x900/0x900 [ 370.525852] syz-executor4 cpuset= [ 370.528001] ? trace_hardirqs_off+0xb8/0x300 [ 370.531633] syz4 [ 370.536820] ? trace_hardirqs_off+0xb8/0x300 [ 370.541116] mems_allowed=0 [ 370.545960] __alloc_pages_slowpath+0x2667/0x2d80 [ 370.582513] ? warn_alloc+0x120/0x120 [ 370.586327] ? warn_alloc+0x120/0x120 [ 370.590130] ? print_usage_bug+0xc0/0xc0 [ 370.594195] ? warn_alloc+0x120/0x120 [ 370.597997] ? print_usage_bug+0xc0/0xc0 [ 370.602068] ? __lock_acquire+0x7ec/0x4ec0 [ 370.606303] ? __lock_acquire+0x7ec/0x4ec0 [ 370.610549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.616104] ? should_fail+0x22d/0xd01 [ 370.620013] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.625138] ? __lock_acquire+0x7ec/0x4ec0 [ 370.629395] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.634520] ? __lock_acquire+0x7ec/0x4ec0 [ 370.638772] ? should_fail+0x22d/0xd01 [ 370.642682] ? mark_held_locks+0x130/0x130 [ 370.646924] ? mark_held_locks+0x130/0x130 [ 370.651161] ? graph_lock+0x170/0x170 [ 370.654966] ? graph_lock+0x170/0x170 [ 370.658775] ? graph_lock+0x170/0x170 [ 370.662575] ? print_usage_bug+0xc0/0xc0 [ 370.666640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.672183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.677719] ? check_preemption_disabled+0x48/0x200 [ 370.682733] ? check_preemption_disabled+0x48/0x200 [ 370.687759] ? __lock_is_held+0xb5/0x140 [ 370.691829] __alloc_pages_nodemask+0xa80/0xde0 [ 370.696502] ? graph_lock+0x170/0x170 [ 370.700338] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 370.705363] ? graph_lock+0x170/0x170 [ 370.709181] ? find_held_lock+0x36/0x1c0 [ 370.713252] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.717922] ? lock_downgrade+0x900/0x900 [ 370.722080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.727626] cache_grow_begin+0x91/0x8c0 [ 370.731690] ? do_raw_spin_unlock+0xa7/0x2f0 [ 370.736114] fallback_alloc+0x203/0x2e0 [ 370.740098] ____cache_alloc_node+0x1c7/0x1e0 [ 370.744604] kmem_cache_alloc_node+0xe3/0x730 [ 370.749105] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.753354] __alloc_skb+0x119/0x770 [ 370.757073] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.762359] ? skb_scrub_packet+0x490/0x490 [ 370.766681] ? lock_downgrade+0x900/0x900 [ 370.770838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.776841] ? refcount_sub_and_test_checked+0x203/0x310 [ 370.782315] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 370.787771] ? addrconf_rs_timer+0x6f0/0x6f0 [ 370.792195] ndisc_alloc_skb+0x144/0x340 [ 370.796263] ndisc_send_rs+0x331/0x6e0 [ 370.800164] addrconf_rs_timer+0x3c0/0x6f0 [ 370.804409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.808659] call_timer_fn+0x272/0x920 [ 370.812550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.816795] ? process_timeout+0x40/0x40 [ 370.820858] ? find_held_lock+0x36/0x1c0 [ 370.824929] ? mark_held_locks+0xc7/0x130 [ 370.829080] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.833578] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.838071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.842311] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 370.846900] ? trace_hardirqs_on+0xbd/0x310 [ 370.851218] ? kasan_check_read+0x11/0x20 [ 370.855366] ? __run_timers+0x7da/0xc70 [ 370.859345] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.864803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.869069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.873305] __run_timers+0x7e5/0xc70 [ 370.877124] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 370.882494] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 370.887529] ? graph_lock+0x170/0x170 [ 370.891335] ? print_usage_bug+0xc0/0xc0 [ 370.895393] ? lock_release+0x970/0x970 [ 370.899374] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 370.904574] ? find_held_lock+0x36/0x1c0 [ 370.908645] ? graph_lock+0x170/0x170 [ 370.912456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.918010] ? check_preemption_disabled+0x48/0x200 [ 370.923054] ? __lock_is_held+0xb5/0x140 [ 370.927119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.932655] ? check_preemption_disabled+0x48/0x200 [ 370.937684] run_timer_softirq+0x52/0xb0 [ 370.941746] ? rcu_read_lock_sched_held+0x108/0x120 [ 370.946766] __do_softirq+0x30b/0xad8 [ 370.950583] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 370.955693] ? pvclock_read_flags+0x160/0x160 [ 370.960192] ? lapic_next_event+0x5a/0x90 [ 370.964341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.969876] ? check_preemption_disabled+0x48/0x200 [ 370.974889] ? check_preemption_disabled+0x48/0x200 [ 370.979911] ? kvm_clock_read+0x18/0x30 [ 370.983886] ? kvm_sched_clock_read+0x9/0x20 [ 370.988301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.993837] ? check_preemption_disabled+0x48/0x200 [ 370.998884] irq_exit+0x17f/0x1c0 [ 371.002344] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.007189] ? smp_reschedule_interrupt+0x109/0x650 [ 371.012225] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.018111] ? interrupt_entry+0xb5/0xf0 [ 371.022175] ? trace_hardirqs_off_caller+0xbb/0x300 [ 371.027190] ? trace_hardirqs_off_caller+0xbb/0x300 [ 371.032207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.037052] ? trace_hardirqs_off+0x300/0x300 [ 371.041547] ? trace_hardirqs_off+0x300/0x300 [ 371.046048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.051585] ? check_preemption_disabled+0x48/0x200 [ 371.056603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.062152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.067007] apic_timer_interrupt+0xf/0x20 [ 371.071242] [ 371.073479] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 371.078764] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 371.097665] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 371.105374] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 371.112659] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 371.119945] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 371.127211] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 371.134477] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 371.141785] ? arch_local_irq_restore+0x45/0x52 [ 371.146462] dump_stack+0x26a/0x2b4 [ 371.150093] ? dump_stack_print_info.cold.2+0x52/0x52 [ 371.155313] ? mark_held_locks+0x130/0x130 [ 371.159547] ? mark_held_locks+0x130/0x130 [ 371.163788] dump_header+0x27b/0xf72 [ 371.167523] ? pagefault_out_of_memory+0x197/0x197 [ 371.172464] ? mark_held_locks+0x130/0x130 [ 371.176703] ? __lock_acquire+0x7ec/0x4ec0 [ 371.180943] ? print_usage_bug+0xc0/0xc0 [ 371.185018] ? graph_lock+0x170/0x170 [ 371.188819] ? graph_lock+0x170/0x170 [ 371.192624] ? print_usage_bug+0xc0/0xc0 [ 371.196683] ? print_usage_bug+0xc0/0xc0 [ 371.200757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.206301] ? find_held_lock+0x36/0x1c0 [ 371.210373] ? mark_held_locks+0xc7/0x130 [ 371.214533] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 371.219637] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 371.224742] ? lockdep_hardirqs_on+0x421/0x5c0 [ 371.229329] ? trace_hardirqs_on+0xbd/0x310 [ 371.233654] ? kasan_check_read+0x11/0x20 [ 371.237808] ? ___ratelimit+0x36f/0x655 [ 371.241784] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.247240] ? trace_hardirqs_on+0x310/0x310 [ 371.251648] ? lock_downgrade+0x900/0x900 [ 371.255809] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 371.260920] ? ___ratelimit+0xaa/0x655 [ 371.264810] ? idr_get_free+0xec0/0xec0 [ 371.268787] ? kasan_check_write+0x14/0x20 [ 371.273024] ? do_raw_spin_lock+0xc1/0x200 [ 371.277273] oom_kill_process.cold.27+0x10/0x903 [ 371.282038] ? graph_lock+0x170/0x170 [ 371.285839] ? _raw_spin_unlock+0x2c/0x50 [ 371.289991] ? oom_badness+0xe6/0xaa0 [ 371.293799] ? oom_evaluate_task+0x540/0x540 [ 371.298215] ? find_held_lock+0x36/0x1c0 [ 371.302288] ? out_of_memory+0x974/0x14c0 [ 371.306437] ? lock_downgrade+0x900/0x900 [ 371.310586] ? check_preemption_disabled+0x48/0x200 [ 371.315613] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 371.321411] ? kasan_check_read+0x11/0x20 [ 371.325561] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.330839] ? rcu_bh_qs+0xc0/0xc0 [ 371.334383] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.339400] ? oom_evaluate_task+0x302/0x540 [ 371.343813] out_of_memory+0xa86/0x14c0 [ 371.347797] ? oom_killer_disable+0x3a0/0x3a0 [ 371.352298] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 371.357234] ? __mutex_add_waiter+0x2a0/0x2a0 [ 371.361744] __alloc_pages_slowpath+0x2318/0x2d80 [ 371.366624] ? warn_alloc+0x120/0x120 [ 371.370433] ? lock_downgrade+0x900/0x900 [ 371.374591] ? print_usage_bug+0xc0/0xc0 [ 371.378654] ? warn_alloc+0x120/0x120 [ 371.382458] ? print_usage_bug+0xc0/0xc0 [ 371.386528] ? debug_check_no_obj_freed+0x305/0x58d [ 371.391547] ? print_usage_bug+0xc0/0xc0 [ 371.395612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.401152] ? should_fail+0x22d/0xd01 [ 371.405067] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.410174] ? __lock_acquire+0x7ec/0x4ec0 [ 371.414438] ? __lock_is_held+0xb5/0x140 [ 371.418514] ? graph_lock+0x170/0x170 [ 371.422321] ? ___might_sleep+0x1ed/0x300 [ 371.426473] ? lock_release+0x970/0x970 [ 371.430448] ? arch_local_save_flags+0x40/0x40 [ 371.435053] ? __might_sleep+0x95/0x190 [ 371.439041] __alloc_pages_nodemask+0xa80/0xde0 [ 371.443712] ? graph_lock+0x170/0x170 [ 371.447524] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 371.452546] ? graph_lock+0x170/0x170 [ 371.456367] ? mark_held_locks+0xc7/0x130 [ 371.460530] ? find_held_lock+0x36/0x1c0 [ 371.464602] ? cache_grow_begin+0x5a4/0x8c0 [ 371.468928] ? lockdep_hardirqs_on+0x421/0x5c0 [ 371.473527] ? trace_hardirqs_on+0xbd/0x310 [ 371.477854] ? fallback_alloc+0x203/0x2e0 [ 371.482009] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.487473] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.493024] cache_grow_begin+0x91/0x8c0 [ 371.497095] ? do_raw_spin_unlock+0xa7/0x2f0 [ 371.501521] fallback_alloc+0x203/0x2e0 [ 371.505518] ____cache_alloc_node+0x1c7/0x1e0 [ 371.510025] kmem_cache_alloc_node_trace+0xe7/0x740 [ 371.515067] __kmalloc_node_track_caller+0x33/0x70 [ 371.520008] __kmalloc_reserve.isra.39+0x41/0xe0 [ 371.524783] __alloc_skb+0x155/0x770 [ 371.528502] ? skb_scrub_packet+0x490/0x490 [ 371.532869] ? if_nlmsg_size+0x5d1/0xbb0 [ 371.536936] ? nla_put_ifalias+0x170/0x170 [ 371.541186] ? softnet_seq_show+0x470/0x470 [ 371.545520] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 371.550546] ? netif_tx_stop_all_queues+0xd9/0x110 [ 371.555488] rtmsg_ifinfo_build_skb+0x74/0x190 [ 371.560090] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 371.564940] rtmsg_ifinfo+0x8c/0xa0 [ 371.568582] dev_close_many+0x3be/0x860 [ 371.572575] ? unlist_netdevice+0x670/0x670 [ 371.576905] ? find_held_lock+0x36/0x1c0 [ 371.580981] ? __queue_work+0x6be/0x1440 [ 371.585049] ? lock_downgrade+0x900/0x900 [ 371.589205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.594741] ? rtnl_is_locked+0xb5/0xf0 [ 371.598721] ? rtnl_trylock+0x20/0x20 [ 371.602529] ? do_raw_spin_unlock+0xa7/0x2f0 [ 371.606940] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 371.611539] rollback_registered_many+0x56e/0x1240 [ 371.616483] ? generic_xdp_install+0x4c0/0x4c0 [ 371.621082] ? max_active_store+0x170/0x170 [ 371.625409] ? graph_lock+0x170/0x170 [ 371.629215] ? print_usage_bug+0xc0/0xc0 [ 371.633276] ? print_usage_bug+0xc0/0xc0 [ 371.637340] ? kfree_skbmem+0x154/0x230 [ 371.642707] ? graph_lock+0x170/0x170 [ 371.646886] ? print_usage_bug+0xc0/0xc0 [ 371.650985] ? find_held_lock+0x36/0x1c0 [ 371.655063] ? mark_held_locks+0xc7/0x130 [ 371.659221] rollback_registered+0x1e9/0x420 [ 371.663630] ? lockdep_hardirqs_on+0x351/0x5c0 [ 371.668215] ? rollback_registered_many+0x1240/0x1240 [ 371.673410] ? trace_hardirqs_on+0xbd/0x310 [ 371.677735] ? linkwatch_schedule_work+0x150/0x170 [ 371.682672] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.688130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.693668] ? rtnl_is_locked+0xb5/0xf0 [ 371.697649] ? rtnl_trylock+0x20/0x20 [ 371.701454] ? queue_delayed_work_on+0x130/0x1f0 [ 371.706220] unregister_netdevice_queue+0x321/0x5e0 [ 371.711242] ? rollback_registered+0x420/0x420 [ 371.715828] ? linkwatch_schedule_work+0x170/0x170 [ 371.720761] ? tun_show_owner+0x170/0x170 [ 371.724916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.730457] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 371.735813] ? __tun_detach+0x6ba/0x15c0 [ 371.739876] __tun_detach+0x11b8/0x15c0 [ 371.743858] ? __call_rcu.constprop.69+0x429/0xbc0 [ 371.748800] ? tun_attach+0x1770/0x1770 [ 371.752782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.758320] ? check_preemption_disabled+0x48/0x200 [ 371.763350] ? graph_lock+0x170/0x170 [ 371.767159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.772701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.778241] ? locks_remove_file+0x3c6/0x5c0 [ 371.782652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.788188] ? ima_file_free+0x132/0x650 [ 371.792276] ? __lock_is_held+0xb5/0x140 [ 371.796347] ? __tun_detach+0x15c0/0x15c0 [ 371.800505] ? __tun_detach+0x15c0/0x15c0 [ 371.804675] tun_chr_close+0xe3/0x180 [ 371.808482] __fput+0x385/0xa30 [ 371.811776] ? get_max_files+0x20/0x20 [ 371.815670] ? ___might_sleep+0x1ed/0x300 [ 371.819823] ? arch_local_save_flags+0x40/0x40 [ 371.824435] ____fput+0x15/0x20 [ 371.827722] task_work_run+0x1e8/0x2a0 [ 371.831614] ? task_work_cancel+0x240/0x240 [ 371.835941] ? switch_task_namespaces+0xb8/0xd0 [ 371.840622] do_exit+0x1ad7/0x2610 [ 371.844176] ? mm_update_next_owner+0x990/0x990 [ 371.848850] ? print_usage_bug+0xc0/0xc0 [ 371.852919] ? __lock_acquire+0x7ec/0x4ec0 [ 371.857156] ? find_held_lock+0x36/0x1c0 [ 371.861229] ? __lock_acquire+0x7ec/0x4ec0 [ 371.865463] ? mark_held_locks+0x130/0x130 [ 371.869706] ? lock_acquire+0x1ed/0x520 [ 371.873692] ? mark_held_locks+0x130/0x130 [ 371.877926] ? arch_local_save_flags+0x40/0x40 [ 371.882515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.888080] ? __mutex_lock+0x872/0x1710 [ 371.892142] ? __switch_to_asm+0x40/0x70 [ 371.896205] ? __switch_to_asm+0x34/0x70 [ 371.900266] ? pipe_wait+0x266/0x2c0 [ 371.903986] ? mutex_trylock+0x2b0/0x2b0 [ 371.908065] ? graph_lock+0x170/0x170 [ 371.911871] ? find_held_lock+0x36/0x1c0 [ 371.915941] ? memset+0x31/0x40 [ 371.919228] ? find_held_lock+0x36/0x1c0 [ 371.923304] ? get_signal+0x95b/0x1980 [ 371.927193] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.931705] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.936211] do_group_exit+0x177/0x440 [ 371.940107] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.945557] ? __ia32_sys_exit+0x50/0x50 [ 371.949634] get_signal+0x8b0/0x1980 [ 371.953360] ? ptrace_notify+0x130/0x130 [ 371.957427] ? finish_wait+0x430/0x430 [ 371.961316] ? graph_lock+0x170/0x170 [ 371.965128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.970668] ? pipe_read+0x702/0x940 [ 371.974381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.979931] do_signal+0x9c/0x21e0 [ 371.983474] ? __vfs_read+0x11f/0x9b0 [ 371.987289] ? vfs_copy_file_range+0xb90/0xb90 [ 371.991875] ? setup_sigcontext+0x7d0/0x7d0 [ 371.996219] ? exit_to_usermode_loop+0x8c/0x380 [ 372.000910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.006456] exit_to_usermode_loop+0x2e5/0x380 [ 372.011052] ? syscall_slow_exit_work+0x520/0x520 [ 372.015897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.021449] do_syscall_64+0x6be/0x820 [ 372.025344] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 372.030715] ? syscall_return_slowpath+0x5e0/0x5e0 [ 372.035648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.040497] ? trace_hardirqs_off+0x300/0x300 [ 372.045015] ? prepare_exit_to_usermode+0x291/0x3b0 [ 372.050051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.054909] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 372.060102] RIP: 0033:0x410e10 [ 372.063297] Code: Bad RIP value. [ 372.066656] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 372.074365] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 372.081634] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 372.088900] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 372.096170] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 372.103437] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 372.110738] warn_alloc_show_mem: 1 callbacks suppressed [ 372.110750] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 372.110752] Mem-Info: [ 372.110782] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 372.110782] active_file:19 inactive_file:16 isolated_file:0 [ 372.110782] unevictable:0 dirty:0 writeback:0 unstable:0 [ 372.110782] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 372.110782] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 372.110782] free:13785 free_pcp:397 free_cma:0 [ 372.116126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.116135] Call Trace: [ 372.123418] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 372.125817] [ 372.158606] Node 0 [ 372.167973] dump_stack+0x1c4/0x2b4 [ 372.170562] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 372.198138] ? dump_stack_print_info.cold.2+0x52/0x52 [ 372.200265] lowmem_reserve[]: [ 372.202505] warn_alloc.cold.118+0xb7/0x1bd [ 372.206104] 0 [ 372.231615] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 372.236780] 2815 [ 372.239882] ? lock_downgrade+0x900/0x900 [ 372.244172] 6318 [ 372.245976] ? trace_hardirqs_off+0xb8/0x300 [ 372.250784] 6318 [ 372.252846] ? trace_hardirqs_off+0xb8/0x300 [ 372.259031] __alloc_pages_slowpath+0x2667/0x2d80 [ 372.263419] Node 0 [ 372.265519] ? warn_alloc+0x120/0x120 [ 372.269893] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 372.274706] ? trace_hardirqs_on+0x310/0x310 [ 372.276911] lowmem_reserve[]: 0 [ 372.280716] ? warn_alloc+0x120/0x120 [ 372.307421] 0 [ 372.311840] ? print_usage_bug+0xc0/0xc0 [ 372.315085] 3503 [ 372.318905] ? warn_alloc+0x120/0x120 [ 372.320698] 3503 [ 372.324778] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 372.330609] ? print_usage_bug+0xc0/0xc0 [ 372.332650] Node 0 [ 372.337660] ? __lock_acquire+0x7ec/0x4ec0 [ 372.341719] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 372.341730] lowmem_reserve[]: [ 372.343968] ? __lock_acquire+0x7ec/0x4ec0 [ 372.348180] 0 [ 372.376741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.379821] 0 [ 372.384053] ? should_fail+0x22d/0xd01 [ 372.384073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.385857] 0 [ 372.391388] ? __lock_acquire+0x7ec/0x4ec0 [ 372.393163] 0 [ 372.397052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.403921] ? __lock_acquire+0x7ec/0x4ec0 [ 372.408129] Node 0 [ 372.409925] ? should_fail+0x22d/0xd01 [ 372.415001] DMA: [ 372.419228] ? print_usage_bug+0xc0/0xc0 [ 372.421440] 1*4kB [ 372.425326] ? mark_held_locks+0x130/0x130 [ 372.427360] (U) [ 372.431414] ? mark_held_locks+0x130/0x130 [ 372.433536] 0*8kB 0*16kB [ 372.437777] ? graph_lock+0x170/0x170 [ 372.439725] 1*32kB [ 372.443953] ? print_usage_bug+0xc0/0xc0 [ 372.446689] (U) [ 372.450485] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 372.452695] 2*64kB [ 372.456751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.458702] (U) [ 372.463453] ? check_preemption_disabled+0x48/0x200 [ 372.465670] 1*128kB [ 372.471196] ? check_preemption_disabled+0x48/0x200 [ 372.473149] (U) [ 372.478164] ? __lock_is_held+0xb5/0x140 [ 372.480459] 1*256kB [ 372.485471] __alloc_pages_nodemask+0xa80/0xde0 [ 372.487419] (U) [ 372.491475] ? graph_lock+0x170/0x170 [ 372.493774] 0*512kB [ 372.498543] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 372.500487] 1*1024kB [ 372.504287] ? graph_lock+0x170/0x170 [ 372.506585] (U) [ 372.511610] ? find_held_lock+0x36/0x1c0 [ 372.513991] 1*2048kB [ 372.517794] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.519742] (M) [ 372.523796] ? lock_downgrade+0x900/0x900 [ 372.526180] 3*4096kB [ 372.530844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.532795] (M) [ 372.536943] cache_grow_begin+0x91/0x8c0 [ 372.539326] = 15908kB [ 372.544858] ? do_raw_spin_unlock+0xa7/0x2f0 [ 372.546806] Node 0 [ 372.550869] fallback_alloc+0x203/0x2e0 [ 372.553247] DMA32: [ 372.557653] ____cache_alloc_node+0x1c7/0x1e0 [ 372.559859] 3*4kB [ 372.563832] kmem_cache_alloc_node+0xe3/0x730 [ 372.566044] (M) [ 372.570548] ? ipv6_get_ifaddr+0x42e/0x620 [ 372.572669] 1*8kB [ 372.577163] __alloc_skb+0x119/0x770 [ 372.579111] (M) [ 372.583344] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 372.585469] 3*16kB [ 372.589176] ? skb_scrub_packet+0x490/0x490 [ 372.591124] (UM) [ 372.596396] ? lock_downgrade+0x900/0x900 [ 372.598609] 3*32kB [ 372.602928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.604963] (UM) [ 372.609104] ? refcount_sub_and_test_checked+0x203/0x310 [ 372.611314] 2*64kB [ 372.616849] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.618883] (UM) [ 372.624332] ? addrconf_rs_timer+0x6f0/0x6f0 [ 372.626546] 5*128kB [ 372.632000] ndisc_alloc_skb+0x144/0x340 [ 372.634036] (UM) [ 372.638437] ndisc_send_rs+0x331/0x6e0 [ 372.640734] 3*256kB [ 372.645222] addrconf_rs_timer+0x3c0/0x6f0 [ 372.647257] (M) [ 372.651141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.653437] 4*512kB [ 372.657678] call_timer_fn+0x272/0x920 [ 372.659619] (M) [ 372.663850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.666150] 3*1024kB [ 372.670039] ? process_timeout+0x40/0x40 [ 372.671990] (UM) [ 372.676229] ? find_held_lock+0x36/0x1c0 [ 372.678617] 3*2048kB [ 372.682686] ? __run_timers+0x7da/0xc70 [ 372.684713] (M) [ 372.688784] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.691170] 3*4096kB (M) [ 372.695160] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.697112] = 25252kB [ 372.701612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.704340] Node 0 [ 372.708838] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 372.711226] Normal: [ 372.715461] ? trace_hardirqs_on+0xbd/0x310 [ 372.717677] 1016*4kB [ 372.722265] ? kasan_check_read+0x11/0x20 [ 372.724567] (UME) [ 372.728891] ? __run_timers+0x7da/0xc70 [ 372.731277] 348*8kB [ 372.735424] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.737535] (UME) 167*16kB [ 372.741529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.743824] (UME) [ 372.749275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.752175] 68*32kB [ 372.756408] __run_timers+0x7e5/0xc70 [ 372.758540] (UME) [ 372.762779] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 372.765070] 21*64kB [ 372.768866] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 372.770988] (M) [ 372.776575] ? graph_lock+0x170/0x170 [ 372.778882] 6*128kB [ 372.783892] ? enqueue_hrtimer+0x1a5/0x560 [ 372.785849] (UM) [ 372.789651] ? lock_release+0x970/0x970 [ 372.791948] 1*256kB [ 372.796177] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 372.798213] (U) [ 372.802187] ? find_held_lock+0x36/0x1c0 [ 372.804504] 0*512kB [ 372.809709] ? graph_lock+0x170/0x170 [ 372.811656] 0*1024kB [ 372.815710] ? pvclock_read_flags+0x160/0x160 [ 372.818010] 0*2048kB [ 372.821819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.824224] 0*4096kB [ 372.828730] ? check_preemption_disabled+0x48/0x200 [ 372.831119] = 14064kB [ 372.836680] ? __lock_is_held+0xb5/0x140 [ 372.839069] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 372.844091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.846487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 372.850548] ? check_preemption_disabled+0x48/0x200 [ 372.859372] 503 total pagecache pages [ 372.864928] run_timer_softirq+0x52/0xb0 [ 372.873477] 0 pages in swap cache [ 372.878490] ? rcu_read_lock_sched_held+0x108/0x120 [ 372.882266] Swap cache stats: add 0, delete 0, find 0/0 [ 372.886323] __do_softirq+0x30b/0xad8 [ 372.889759] Free swap = 0kB [ 372.894779] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 372.900114] Total swap = 0kB [ 372.903918] ? pvclock_read_flags+0x160/0x160 [ 372.906904] 1965979 pages RAM [ 372.911997] ? lapic_next_event+0x5a/0x90 [ 372.914993] 0 pages HighMem/MovableOnly [ 372.919489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.922563] 343324 pages reserved [ 372.922571] 0 pages cma reserved [ 372.926715] ? check_preemption_disabled+0x48/0x200 [ 372.930764] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 372.936191] ? check_preemption_disabled+0x48/0x200 [ 372.936211] ? kvm_clock_read+0x18/0x30 [ 372.936223] ? kvm_sched_clock_read+0x9/0x20 [ 372.936239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.936254] ? check_preemption_disabled+0x48/0x200 [ 372.939765] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.943085] irq_exit+0x17f/0x1c0 [ 372.948072] syz-executor2 cpuset= [ 372.954570] smp_apic_timer_interrupt+0x1cb/0x760 [ 372.959558] syz2 [ 372.963543] ? smp_reschedule_interrupt+0x109/0x650 [ 372.967921] mems_allowed=0 [ 372.973449] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.016373] ? interrupt_entry+0xb5/0xf0 [ 373.020439] ? trace_hardirqs_off_caller+0xbb/0x300 [ 373.025456] ? trace_hardirqs_off_caller+0xbb/0x300 [ 373.030480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.035332] ? trace_hardirqs_off+0x300/0x300 [ 373.039829] ? trace_hardirqs_off+0x300/0x300 [ 373.044340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.049883] ? check_preemption_disabled+0x48/0x200 [ 373.054904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.060453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.065308] apic_timer_interrupt+0xf/0x20 [ 373.069547] [ 373.071791] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 373.076721] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 373.095625] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 373.103337] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 373.110604] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 373.117887] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 373.125152] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 373.132418] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 373.139734] skb_clone+0x1bb/0x500 [ 373.143279] ? skb_split+0x11e0/0x11e0 [ 373.147173] ? preempt_notifier_register+0x200/0x200 [ 373.152278] ? __switch_to_asm+0x34/0x70 [ 373.156340] ? __switch_to_asm+0x34/0x70 [ 373.160401] ? __switch_to_asm+0x40/0x70 [ 373.164462] ? __switch_to_asm+0x34/0x70 [ 373.168550] ? __switch_to_asm+0x40/0x70 [ 373.172618] ? __switch_to_asm+0x40/0x70 [ 373.176681] ? __switch_to_asm+0x34/0x70 [ 373.180741] ? __switch_to_asm+0x34/0x70 [ 373.184800] ? __switch_to_asm+0x40/0x70 [ 373.188857] ? __switch_to_asm+0x34/0x70 [ 373.192925] bpf_clone_redirect+0xb9/0x490 [ 373.197176] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 373.202196] ? __sched_text_start+0x8/0x8 [ 373.206345] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 373.211119] ? find_held_lock+0x36/0x1c0 [ 373.215191] ? lock_acquire+0x1ed/0x520 [ 373.219168] ? bpf_test_run+0x32e/0x5a0 [ 373.223149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.228704] ? check_preemption_disabled+0x48/0x200 [ 373.233731] ? kasan_check_read+0x11/0x20 [ 373.237881] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.243161] ? rcu_bh_qs+0xc0/0xc0 [ 373.246704] ? preempt_schedule+0x4d/0x60 [ 373.250858] ? ___preempt_schedule+0x16/0x18 [ 373.255279] ? bpf_test_run+0x1c0/0x5a0 [ 373.259260] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 373.264118] ? netlink_diag_dump+0x2a0/0x2a0 [ 373.268548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.274089] ? bpf_test_init.isra.9+0x70/0x100 [ 373.278682] ? bpf_prog_test_run_skb+0x634/0xb40 [ 373.283447] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 373.288303] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 373.293856] ? fput+0x130/0x1a0 [ 373.297168] ? __bpf_prog_get+0x9b/0x290 [ 373.301237] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 373.306080] ? bpf_prog_test_run+0x130/0x1a0 [ 373.310497] ? __x64_sys_bpf+0x3d8/0x510 [ 373.314576] ? bpf_prog_get+0x20/0x20 [ 373.318398] ? do_syscall_64+0x1b9/0x820 [ 373.322465] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 373.327837] ? syscall_return_slowpath+0x5e0/0x5e0 [ 373.332775] ? trace_hardirqs_off+0x300/0x300 [ 373.337273] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 373.342292] ? recalc_sigpending_tsk+0x180/0x180 [ 373.347050] ? kasan_check_write+0x14/0x20 [ 373.351294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.356146] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.361551] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 373.361642] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.368758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.368764] Call Trace: [ 373.368772] [ 373.368797] dump_stack+0x1c4/0x2b4 [ 373.368810] ? dump_stack_print_info.cold.2+0x52/0x52 [ 373.368835] warn_alloc.cold.118+0xb7/0x1bd [ 373.368853] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.375499] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.384724] ? lock_downgrade+0x900/0x900 [ 373.387285] syz-executor4 cpuset= [ 373.389439] ? trace_hardirqs_off+0xb8/0x300 [ 373.393040] syz4 [ 373.398270] ? trace_hardirqs_off+0xb8/0x300 [ 373.402567] mems_allowed=0 [ 373.439158] __alloc_pages_slowpath+0x2667/0x2d80 [ 373.444050] ? warn_alloc+0x120/0x120 [ 373.447859] ? warn_alloc+0x120/0x120 [ 373.451665] ? print_usage_bug+0xc0/0xc0 [ 373.455727] ? warn_alloc+0x120/0x120 [ 373.459539] ? print_usage_bug+0xc0/0xc0 [ 373.463625] ? __lock_acquire+0x7ec/0x4ec0 [ 373.467868] ? __lock_acquire+0x7ec/0x4ec0 [ 373.472129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.477690] ? should_fail+0x22d/0xd01 [ 373.481599] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.486722] ? __lock_acquire+0x7ec/0x4ec0 [ 373.490973] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.496090] ? __lock_acquire+0x7ec/0x4ec0 [ 373.500332] ? should_fail+0x22d/0xd01 [ 373.504256] ? mark_held_locks+0x130/0x130 [ 373.508503] ? mark_held_locks+0x130/0x130 [ 373.512749] ? graph_lock+0x170/0x170 [ 373.516549] ? graph_lock+0x170/0x170 [ 373.520356] ? graph_lock+0x170/0x170 [ 373.524158] ? print_usage_bug+0xc0/0xc0 [ 373.528219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.533757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.539295] ? check_preemption_disabled+0x48/0x200 [ 373.544313] ? check_preemption_disabled+0x48/0x200 [ 373.549339] ? __lock_is_held+0xb5/0x140 [ 373.553413] __alloc_pages_nodemask+0xa80/0xde0 [ 373.558084] ? graph_lock+0x170/0x170 [ 373.561892] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 373.566910] ? graph_lock+0x170/0x170 [ 373.570727] ? find_held_lock+0x36/0x1c0 [ 373.574801] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.579475] ? lock_downgrade+0x900/0x900 [ 373.583642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.589187] cache_grow_begin+0x91/0x8c0 [ 373.593256] ? do_raw_spin_unlock+0xa7/0x2f0 [ 373.597680] fallback_alloc+0x203/0x2e0 [ 373.601664] ____cache_alloc_node+0x1c7/0x1e0 [ 373.606167] kmem_cache_alloc_node+0xe3/0x730 [ 373.610669] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.614924] __alloc_skb+0x119/0x770 [ 373.618645] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.623928] ? skb_scrub_packet+0x490/0x490 [ 373.628256] ? lock_downgrade+0x900/0x900 [ 373.632426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.638059] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.643778] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.649240] ? addrconf_rs_timer+0x6f0/0x6f0 [ 373.653664] ndisc_alloc_skb+0x144/0x340 [ 373.657741] ndisc_send_rs+0x331/0x6e0 [ 373.661644] addrconf_rs_timer+0x3c0/0x6f0 [ 373.665888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.670145] call_timer_fn+0x272/0x920 [ 373.674050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.678294] ? process_timeout+0x40/0x40 [ 373.682375] ? find_held_lock+0x36/0x1c0 [ 373.686462] ? mark_held_locks+0xc7/0x130 [ 373.690625] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.695126] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.699633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.703878] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 373.708474] ? trace_hardirqs_on+0xbd/0x310 [ 373.712816] ? kasan_check_read+0x11/0x20 [ 373.716981] ? __run_timers+0x7da/0xc70 [ 373.720963] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.726423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.730666] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.734923] __run_timers+0x7e5/0xc70 [ 373.738747] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 373.744133] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 373.749155] ? graph_lock+0x170/0x170 [ 373.752960] ? print_usage_bug+0xc0/0xc0 [ 373.757022] ? lock_release+0x970/0x970 [ 373.761005] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 373.766208] ? find_held_lock+0x36/0x1c0 [ 373.770276] ? graph_lock+0x170/0x170 [ 373.774083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.779632] ? check_preemption_disabled+0x48/0x200 [ 373.784680] ? __lock_is_held+0xb5/0x140 [ 373.788759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.794309] ? check_preemption_disabled+0x48/0x200 [ 373.799352] run_timer_softirq+0x52/0xb0 [ 373.803434] ? rcu_read_lock_sched_held+0x108/0x120 [ 373.808473] __do_softirq+0x30b/0xad8 [ 373.812305] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 373.817416] ? pvclock_read_flags+0x160/0x160 [ 373.821917] ? lapic_next_event+0x5a/0x90 [ 373.826071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.831625] ? check_preemption_disabled+0x48/0x200 [ 373.836728] ? check_preemption_disabled+0x48/0x200 [ 373.841757] ? kvm_clock_read+0x18/0x30 [ 373.845732] ? kvm_sched_clock_read+0x9/0x20 [ 373.850147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.855685] ? check_preemption_disabled+0x48/0x200 [ 373.860714] irq_exit+0x17f/0x1c0 [ 373.864173] smp_apic_timer_interrupt+0x1cb/0x760 [ 373.869015] ? smp_reschedule_interrupt+0x109/0x650 [ 373.874043] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.879933] ? interrupt_entry+0xb5/0xf0 [ 373.883999] ? trace_hardirqs_off_caller+0xbb/0x300 [ 373.889019] ? trace_hardirqs_off_caller+0xbb/0x300 [ 373.894048] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.898895] ? trace_hardirqs_off+0x300/0x300 [ 373.903391] ? trace_hardirqs_off+0x300/0x300 [ 373.907889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.913426] ? check_preemption_disabled+0x48/0x200 [ 373.918463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.924013] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.928876] apic_timer_interrupt+0xf/0x20 [ 373.933107] [ 373.935354] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 373.940638] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 373.959553] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 373.967277] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 373.974549] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 373.981824] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 373.989107] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 373.996392] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 374.003714] ? arch_local_irq_restore+0x45/0x52 [ 374.008419] dump_stack+0x26a/0x2b4 [ 374.012066] ? dump_stack_print_info.cold.2+0x52/0x52 [ 374.017271] ? mark_held_locks+0x130/0x130 [ 374.021518] ? mark_held_locks+0x130/0x130 [ 374.025766] dump_header+0x27b/0xf72 [ 374.029593] ? pagefault_out_of_memory+0x197/0x197 [ 374.034542] ? mark_held_locks+0x130/0x130 [ 374.038784] ? __lock_acquire+0x7ec/0x4ec0 [ 374.043027] ? print_usage_bug+0xc0/0xc0 [ 374.047114] ? graph_lock+0x170/0x170 [ 374.050920] ? graph_lock+0x170/0x170 [ 374.054729] ? print_usage_bug+0xc0/0xc0 [ 374.058802] ? print_usage_bug+0xc0/0xc0 [ 374.062881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.068433] ? find_held_lock+0x36/0x1c0 [ 374.072521] ? mark_held_locks+0xc7/0x130 [ 374.076689] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.081797] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.086905] ? lockdep_hardirqs_on+0x421/0x5c0 [ 374.091492] ? trace_hardirqs_on+0xbd/0x310 [ 374.095820] ? kasan_check_read+0x11/0x20 [ 374.099971] ? ___ratelimit+0x36f/0x655 [ 374.103947] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.109403] ? trace_hardirqs_on+0x310/0x310 [ 374.113813] ? lock_downgrade+0x900/0x900 [ 374.117968] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.123076] ? ___ratelimit+0xaa/0x655 [ 374.126967] ? idr_get_free+0xec0/0xec0 [ 374.130943] ? kasan_check_write+0x14/0x20 [ 374.135183] ? do_raw_spin_lock+0xc1/0x200 [ 374.139430] oom_kill_process.cold.27+0x10/0x903 [ 374.144192] ? graph_lock+0x170/0x170 [ 374.147992] ? _raw_spin_unlock+0x2c/0x50 [ 374.152138] ? oom_badness+0xe6/0xaa0 [ 374.155944] ? oom_evaluate_task+0x540/0x540 [ 374.160356] ? find_held_lock+0x36/0x1c0 [ 374.164427] ? out_of_memory+0x974/0x14c0 [ 374.168577] ? lock_downgrade+0x900/0x900 [ 374.172724] ? check_preemption_disabled+0x48/0x200 [ 374.177748] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 374.183550] ? kasan_check_read+0x11/0x20 [ 374.187705] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 374.192989] ? rcu_bh_qs+0xc0/0xc0 [ 374.196542] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.201558] ? oom_evaluate_task+0x302/0x540 [ 374.205976] out_of_memory+0xa86/0x14c0 [ 374.209961] ? oom_killer_disable+0x3a0/0x3a0 [ 374.214456] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 374.219388] ? __mutex_add_waiter+0x2a0/0x2a0 [ 374.223899] __alloc_pages_slowpath+0x2318/0x2d80 [ 374.228861] ? warn_alloc+0x120/0x120 [ 374.232667] ? lock_downgrade+0x900/0x900 [ 374.236822] ? print_usage_bug+0xc0/0xc0 [ 374.240908] ? warn_alloc+0x120/0x120 [ 374.244711] ? print_usage_bug+0xc0/0xc0 [ 374.248773] ? debug_check_no_obj_freed+0x305/0x58d [ 374.253791] ? print_usage_bug+0xc0/0xc0 [ 374.257856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.263408] ? should_fail+0x22d/0xd01 [ 374.267310] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.272418] ? __lock_acquire+0x7ec/0x4ec0 [ 374.276689] ? __lock_is_held+0xb5/0x140 [ 374.280765] ? graph_lock+0x170/0x170 [ 374.284572] ? ___might_sleep+0x1ed/0x300 [ 374.288721] ? lock_release+0x970/0x970 [ 374.292702] ? arch_local_save_flags+0x40/0x40 [ 374.297302] ? __might_sleep+0x95/0x190 [ 374.301285] __alloc_pages_nodemask+0xa80/0xde0 [ 374.305963] ? graph_lock+0x170/0x170 [ 374.309772] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 374.314785] ? graph_lock+0x170/0x170 [ 374.318597] ? mark_held_locks+0xc7/0x130 [ 374.322743] ? find_held_lock+0x36/0x1c0 [ 374.326809] ? cache_grow_begin+0x5a4/0x8c0 [ 374.331132] ? lockdep_hardirqs_on+0x421/0x5c0 [ 374.335717] ? trace_hardirqs_on+0xbd/0x310 [ 374.340044] ? fallback_alloc+0x203/0x2e0 [ 374.344197] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.349656] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 374.355200] cache_grow_begin+0x91/0x8c0 [ 374.359269] ? do_raw_spin_unlock+0xa7/0x2f0 [ 374.363691] fallback_alloc+0x203/0x2e0 [ 374.367675] ____cache_alloc_node+0x1c7/0x1e0 [ 374.372178] kmem_cache_alloc_node_trace+0xe7/0x740 [ 374.377208] __kmalloc_node_track_caller+0x33/0x70 [ 374.382143] __kmalloc_reserve.isra.39+0x41/0xe0 [ 374.386904] __alloc_skb+0x155/0x770 [ 374.390625] ? skb_scrub_packet+0x490/0x490 [ 374.394952] ? if_nlmsg_size+0x5d1/0xbb0 [ 374.399026] ? nla_put_ifalias+0x170/0x170 [ 374.403281] ? softnet_seq_show+0x470/0x470 [ 374.407605] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 374.412634] ? netif_tx_stop_all_queues+0xd9/0x110 [ 374.417575] rtmsg_ifinfo_build_skb+0x74/0x190 [ 374.422169] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 374.427015] rtmsg_ifinfo+0x8c/0xa0 [ 374.430658] dev_close_many+0x3be/0x860 [ 374.434643] ? unlist_netdevice+0x670/0x670 [ 374.438966] ? find_held_lock+0x36/0x1c0 [ 374.443042] ? __queue_work+0x6be/0x1440 [ 374.447105] ? lock_downgrade+0x900/0x900 [ 374.451264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.456802] ? rtnl_is_locked+0xb5/0xf0 [ 374.460780] ? rtnl_trylock+0x20/0x20 [ 374.464584] ? do_raw_spin_unlock+0xa7/0x2f0 [ 374.469006] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 374.473620] rollback_registered_many+0x56e/0x1240 [ 374.478569] ? generic_xdp_install+0x4c0/0x4c0 [ 374.483186] ? max_active_store+0x170/0x170 [ 374.487546] ? graph_lock+0x170/0x170 [ 374.491372] ? print_usage_bug+0xc0/0xc0 [ 374.495453] ? print_usage_bug+0xc0/0xc0 [ 374.499544] ? kfree_skbmem+0x154/0x230 [ 374.503545] ? graph_lock+0x170/0x170 [ 374.507360] ? print_usage_bug+0xc0/0xc0 [ 374.511438] ? find_held_lock+0x36/0x1c0 [ 374.515529] ? mark_held_locks+0xc7/0x130 [ 374.519693] rollback_registered+0x1e9/0x420 [ 374.524122] ? lockdep_hardirqs_on+0x351/0x5c0 [ 374.528721] ? rollback_registered_many+0x1240/0x1240 [ 374.533926] ? trace_hardirqs_on+0xbd/0x310 [ 374.538266] ? linkwatch_schedule_work+0x150/0x170 [ 374.543242] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.548718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.554272] ? rtnl_is_locked+0xb5/0xf0 [ 374.558266] ? rtnl_trylock+0x20/0x20 [ 374.562087] ? queue_delayed_work_on+0x130/0x1f0 [ 374.566861] unregister_netdevice_queue+0x321/0x5e0 [ 374.571907] ? rollback_registered+0x420/0x420 [ 374.576535] ? linkwatch_schedule_work+0x170/0x170 [ 374.581500] ? tun_show_owner+0x170/0x170 [ 374.585683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.591251] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 374.596639] ? __tun_detach+0x6ba/0x15c0 [ 374.600742] __tun_detach+0x11b8/0x15c0 [ 374.604739] ? __call_rcu.constprop.69+0x429/0xbc0 [ 374.609709] ? tun_attach+0x1770/0x1770 [ 374.613707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.619260] ? check_preemption_disabled+0x48/0x200 [ 374.624310] ? graph_lock+0x170/0x170 [ 374.628129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.633704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.639266] ? locks_remove_file+0x3c6/0x5c0 [ 374.643709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.649278] ? ima_file_free+0x132/0x650 [ 374.653370] ? __lock_is_held+0xb5/0x140 [ 374.657551] ? __tun_detach+0x15c0/0x15c0 [ 374.661733] ? __tun_detach+0x15c0/0x15c0 [ 374.665906] tun_chr_close+0xe3/0x180 [ 374.669745] __fput+0x385/0xa30 [ 374.673071] ? get_max_files+0x20/0x20 [ 374.676997] ? ___might_sleep+0x1ed/0x300 [ 374.681193] ? arch_local_save_flags+0x40/0x40 [ 374.685822] ____fput+0x15/0x20 [ 374.689139] task_work_run+0x1e8/0x2a0 [ 374.693073] ? task_work_cancel+0x240/0x240 [ 374.697425] ? switch_task_namespaces+0xb8/0xd0 [ 374.702125] do_exit+0x1ad7/0x2610 [ 374.705705] ? mm_update_next_owner+0x990/0x990 [ 374.710401] ? print_usage_bug+0xc0/0xc0 [ 374.714502] ? __lock_acquire+0x7ec/0x4ec0 [ 374.718777] ? find_held_lock+0x36/0x1c0 [ 374.722894] ? __lock_acquire+0x7ec/0x4ec0 [ 374.727160] ? mark_held_locks+0x130/0x130 [ 374.731423] ? lock_acquire+0x1ed/0x520 [ 374.735429] ? mark_held_locks+0x130/0x130 [ 374.739687] ? arch_local_save_flags+0x40/0x40 [ 374.744296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.749887] ? __mutex_lock+0x872/0x1710 [ 374.753974] ? __switch_to_asm+0x40/0x70 [ 374.758058] ? __switch_to_asm+0x34/0x70 [ 374.762137] ? pipe_wait+0x266/0x2c0 [ 374.765877] ? mutex_trylock+0x2b0/0x2b0 [ 374.769971] ? graph_lock+0x170/0x170 [ 374.773792] ? find_held_lock+0x36/0x1c0 [ 374.778337] ? memset+0x31/0x40 [ 374.781637] ? find_held_lock+0x36/0x1c0 [ 374.785725] ? get_signal+0x95b/0x1980 [ 374.789629] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.794141] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.798659] do_group_exit+0x177/0x440 [ 374.802569] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.808059] ? __ia32_sys_exit+0x50/0x50 [ 374.812171] get_signal+0x8b0/0x1980 [ 374.815926] ? ptrace_notify+0x130/0x130 [ 374.820021] ? finish_wait+0x430/0x430 [ 374.823930] ? graph_lock+0x170/0x170 [ 374.827762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.833321] ? pipe_read+0x702/0x940 [ 374.837055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.842620] do_signal+0x9c/0x21e0 [ 374.846177] ? __vfs_read+0x11f/0x9b0 [ 374.849997] ? vfs_copy_file_range+0xb90/0xb90 [ 374.854597] ? setup_sigcontext+0x7d0/0x7d0 [ 374.858950] ? exit_to_usermode_loop+0x8c/0x380 [ 374.863653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.869211] exit_to_usermode_loop+0x2e5/0x380 [ 374.873813] ? syscall_slow_exit_work+0x520/0x520 [ 374.878668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.884236] do_syscall_64+0x6be/0x820 [ 374.888138] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 374.893530] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.898474] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.903341] ? trace_hardirqs_off+0x300/0x300 [ 374.907853] ? prepare_exit_to_usermode+0x291/0x3b0 [ 374.912889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.917764] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.922965] RIP: 0033:0x410e10 [ 374.926169] Code: Bad RIP value. [ 374.929548] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 374.937283] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 374.944561] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 374.951832] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 374.959107] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 374.966380] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 374.973690] warn_alloc_show_mem: 1 callbacks suppressed [ 374.973711] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 374.973717] Mem-Info: [ 374.973737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.979097] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 374.979097] active_file:19 inactive_file:16 isolated_file:0 [ 374.979097] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.979097] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 374.979097] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 374.979097] free:13785 free_pcp:397 free_cma:0 [ 374.986361] Call Trace: [ 374.988785] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 374.998148] [ 375.030947] Node 0 [ 375.033562] dump_stack+0x1c4/0x2b4 [ 375.061148] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 375.063295] ? dump_stack_print_info.cold.2+0x52/0x52 [ 375.065495] lowmem_reserve[]: [ 375.069138] warn_alloc.cold.118+0xb7/0x1bd [ 375.094625] 0 [ 375.099831] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.102899] 2815 [ 375.107217] ? lock_downgrade+0x900/0x900 [ 375.108988] 6318 6318 [ 375.113837] ? trace_hardirqs_off+0xb8/0x300 [ 375.120014] ? trace_hardirqs_off+0xb8/0x300 [ 375.122486] Node 0 [ 375.126895] __alloc_pages_slowpath+0x2667/0x2d80 [ 375.131313] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 375.133561] ? warn_alloc+0x120/0x120 [ 375.138352] lowmem_reserve[]: [ 375.165082] ? trace_hardirqs_on+0x310/0x310 [ 375.168850] 0 [ 375.171954] ? warn_alloc+0x120/0x120 [ 375.176339] 0 [ 375.178138] ? print_usage_bug+0xc0/0xc0 [ 375.181906] 3503 3503 [ 375.183714] ? warn_alloc+0x120/0x120 [ 375.190244] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 375.194018] Node 0 [ 375.199026] ? print_usage_bug+0xc0/0xc0 [ 375.199074] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 375.199082] lowmem_reserve[]: [ 375.201314] ? __lock_acquire+0x7ec/0x4ec0 [ 375.205353] 0 [ 375.233906] ? __lock_acquire+0x7ec/0x4ec0 [ 375.236991] 0 [ 375.241222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.243000] 0 [ 375.247230] ? should_fail+0x22d/0xd01 [ 375.248999] 0 [ 375.254550] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.256325] Node 0 [ 375.260204] ? __lock_acquire+0x7ec/0x4ec0 [ 375.261982] DMA: [ 375.267080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.269290] 1*4kB [ 375.273527] ? __lock_acquire+0x7ec/0x4ec0 [ 375.275563] (U) [ 375.280666] ? should_fail+0x22d/0xd01 [ 375.282796] 0*8kB [ 375.287027] ? print_usage_bug+0xc0/0xc0 [ 375.288979] 0*16kB [ 375.292867] ? mark_held_locks+0x130/0x130 [ 375.294984] 1*32kB [ 375.299051] ? mark_held_locks+0x130/0x130 [ 375.301252] (U) [ 375.305484] ? graph_lock+0x170/0x170 [ 375.307692] 2*64kB [ 375.311919] ? print_usage_bug+0xc0/0xc0 [ 375.313868] (U) [ 375.317670] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 375.319887] 1*128kB [ 375.323958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.325908] (U) [ 375.330664] ? check_preemption_disabled+0x48/0x200 [ 375.332964] 1*256kB [ 375.338493] ? check_preemption_disabled+0x48/0x200 [ 375.340444] (U) [ 375.345465] ? __lock_is_held+0xb5/0x140 [ 375.347757] 0*512kB [ 375.352769] __alloc_pages_nodemask+0xa80/0xde0 [ 375.354716] 1*1024kB [ 375.358768] ? graph_lock+0x170/0x170 [ 375.361069] (U) [ 375.365731] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 375.368118] 1*2048kB [ 375.371919] ? graph_lock+0x170/0x170 [ 375.373867] (M) [ 375.378883] ? find_held_lock+0x36/0x1c0 [ 375.381266] 3*4096kB [ 375.385067] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.387013] (M) [ 375.391071] ? lock_downgrade+0x900/0x900 [ 375.393460] = 15908kB [ 375.398133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.400080] Node 0 [ 375.404231] cache_grow_begin+0x91/0x8c0 [ 375.406607] DMA32: 3*4kB [ 375.412171] ? do_raw_spin_unlock+0xa7/0x2f0 [ 375.414385] (M) [ 375.418471] fallback_alloc+0x203/0x2e0 [ 375.421201] 1*8kB [ 375.425625] ____cache_alloc_node+0x1c7/0x1e0 [ 375.427567] (M) [ 375.431573] kmem_cache_alloc_node+0xe3/0x730 [ 375.433691] 3*16kB [ 375.438192] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.440139] (UM) [ 375.444644] __alloc_skb+0x119/0x770 [ 375.446852] 3*32kB [ 375.451088] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.453121] (UM) [ 375.456833] ? skb_scrub_packet+0x490/0x490 [ 375.459049] 2*64kB [ 375.464325] ? lock_downgrade+0x900/0x900 [ 375.466361] (UM) [ 375.470684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.472894] 5*128kB [ 375.477040] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.479086] (UM) [ 375.484622] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.486922] 3*256kB [ 375.492368] ? addrconf_rs_timer+0x6f0/0x6f0 [ 375.494404] (M) [ 375.499862] ndisc_alloc_skb+0x144/0x340 [ 375.502154] 4*512kB [ 375.506572] ndisc_send_rs+0x331/0x6e0 [ 375.508529] (M) [ 375.512602] addrconf_rs_timer+0x3c0/0x6f0 [ 375.514900] 3*1024kB [ 375.518791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.520746] (UM) [ 375.524992] call_timer_fn+0x272/0x920 [ 375.527368] 3*2048kB [ 375.531600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.533636] (M) [ 375.537524] ? process_timeout+0x40/0x40 [ 375.539936] 3*4096kB [ 375.544164] ? find_held_lock+0x36/0x1c0 [ 375.546135] (M) [ 375.550195] ? __run_timers+0x7da/0xc70 [ 375.552577] = 25252kB [ 375.556630] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.558585] Node 0 [ 375.562558] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.564946] Normal: [ 375.569440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.571650] 1016*4kB [ 375.576139] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 375.578436] (UME) [ 375.582667] ? trace_hardirqs_on+0xbd/0x310 [ 375.585058] 348*8kB [ 375.589631] ? kasan_check_read+0x11/0x20 [ 375.591756] (UME) [ 375.596075] ? __run_timers+0x7da/0xc70 [ 375.598374] 167*16kB [ 375.602528] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.604649] (UME) [ 375.608628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.611010] 68*32kB [ 375.616462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.618584] (UME) [ 375.622818] __run_timers+0x7e5/0xc70 [ 375.625116] 21*64kB [ 375.629359] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 375.631473] (M) [ 375.635274] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 375.637574] 6*128kB [ 375.642936] ? graph_lock+0x170/0x170 [ 375.645298] (UM) [ 375.650320] ? enqueue_hrtimer+0x1a5/0x560 [ 375.652610] 1*256kB (U) [ 375.656408] ? lock_release+0x970/0x970 [ 375.656424] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 375.658468] 0*512kB [ 375.662707] ? find_held_lock+0x36/0x1c0 [ 375.665347] 0*1024kB 0*2048kB [ 375.669327] ? graph_lock+0x170/0x170 [ 375.674492] 0*4096kB [ 375.676822] ? pvclock_read_flags+0x160/0x160 [ 375.680855] = 14064kB [ 375.684043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.687828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 375.690223] ? check_preemption_disabled+0x48/0x200 [ 375.694703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 375.697117] ? __lock_is_held+0xb5/0x140 [ 375.702623] 503 total pagecache pages [ 375.711465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.716464] 0 pages in swap cache [ 375.725027] ? check_preemption_disabled+0x48/0x200 [ 375.729075] Swap cache stats: add 0, delete 0, find 0/0 [ 375.732873] run_timer_softirq+0x52/0xb0 [ 375.738386] Free swap = 0kB [ 375.741941] ? rcu_read_lock_sched_held+0x108/0x120 [ 375.746935] Total swap = 0kB [ 375.752299] __do_softirq+0x30b/0xad8 [ 375.756336] 1965979 pages RAM [ 375.759361] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 375.764355] 0 pages HighMem/MovableOnly [ 375.767392] ? pvclock_read_flags+0x160/0x160 [ 375.771165] 343324 pages reserved [ 375.774278] ? lapic_next_event+0x5a/0x90 [ 375.779356] 0 pages cma reserved [ 375.779460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.783356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.783368] ? check_preemption_disabled+0x48/0x200 [ 375.783377] ? check_preemption_disabled+0x48/0x200 [ 375.783396] ? kvm_clock_read+0x18/0x30 [ 375.783413] ? kvm_sched_clock_read+0x9/0x20 [ 375.787976] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.791362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.795487] syz-executor2 cpuset= [ 375.798854] ? check_preemption_disabled+0x48/0x200 [ 375.805328] syz2 [ 375.810886] irq_exit+0x17f/0x1c0 [ 375.815870] mems_allowed=0 [ 375.820883] smp_apic_timer_interrupt+0x1cb/0x760 [ 375.866805] ? smp_reschedule_interrupt+0x109/0x650 [ 375.871837] ? smp_call_function_single_interrupt+0x650/0x650 [ 375.877728] ? interrupt_entry+0xb5/0xf0 [ 375.881795] ? trace_hardirqs_off_caller+0xbb/0x300 [ 375.886813] ? trace_hardirqs_off_caller+0xbb/0x300 [ 375.891830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.896677] ? trace_hardirqs_off+0x300/0x300 [ 375.901182] ? trace_hardirqs_off+0x300/0x300 [ 375.905682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.911222] ? check_preemption_disabled+0x48/0x200 [ 375.916243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.921792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.926647] apic_timer_interrupt+0xf/0x20 [ 375.930875] [ 375.933117] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 375.938053] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 375.956967] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 375.964697] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 375.971974] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 375.979257] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 375.986577] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 375.993854] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 376.001203] skb_clone+0x1bb/0x500 [ 376.004752] ? skb_split+0x11e0/0x11e0 [ 376.008648] ? preempt_notifier_register+0x200/0x200 [ 376.013758] ? __switch_to_asm+0x34/0x70 [ 376.017822] ? __switch_to_asm+0x34/0x70 [ 376.021883] ? __switch_to_asm+0x40/0x70 [ 376.025946] ? __switch_to_asm+0x34/0x70 [ 376.030010] ? __switch_to_asm+0x40/0x70 [ 376.034091] ? __switch_to_asm+0x40/0x70 [ 376.038164] ? __switch_to_asm+0x34/0x70 [ 376.042252] ? __switch_to_asm+0x34/0x70 [ 376.046337] ? __switch_to_asm+0x40/0x70 [ 376.050411] ? __switch_to_asm+0x34/0x70 [ 376.054486] bpf_clone_redirect+0xb9/0x490 [ 376.058743] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 376.063767] ? __sched_text_start+0x8/0x8 [ 376.067916] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 376.072698] ? find_held_lock+0x36/0x1c0 [ 376.076775] ? lock_acquire+0x1ed/0x520 [ 376.080748] ? bpf_test_run+0x32e/0x5a0 [ 376.084726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.090277] ? check_preemption_disabled+0x48/0x200 [ 376.095306] ? kasan_check_read+0x11/0x20 [ 376.099464] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.104748] ? rcu_bh_qs+0xc0/0xc0 [ 376.108297] ? preempt_schedule+0x4d/0x60 [ 376.112452] ? ___preempt_schedule+0x16/0x18 [ 376.116870] ? bpf_test_run+0x1c0/0x5a0 [ 376.120852] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 376.125705] ? netlink_diag_dump+0x2a0/0x2a0 [ 376.130126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.135683] ? bpf_test_init.isra.9+0x70/0x100 [ 376.140287] ? bpf_prog_test_run_skb+0x634/0xb40 [ 376.145074] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 376.149938] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 376.155503] ? fput+0x130/0x1a0 [ 376.158849] ? __bpf_prog_get+0x9b/0x290 [ 376.162917] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 376.167765] ? bpf_prog_test_run+0x130/0x1a0 [ 376.172181] ? __x64_sys_bpf+0x3d8/0x510 [ 376.176248] ? bpf_prog_get+0x20/0x20 [ 376.180075] ? do_syscall_64+0x1b9/0x820 [ 376.184138] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 376.189506] ? syscall_return_slowpath+0x5e0/0x5e0 [ 376.194452] ? trace_hardirqs_off+0x300/0x300 [ 376.198949] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 376.203966] ? recalc_sigpending_tsk+0x180/0x180 [ 376.208726] ? kasan_check_write+0x14/0x20 [ 376.212969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.217822] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.223211] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 376.223306] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.230404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.230413] Call Trace: [ 376.237059] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.246228] [ 376.246253] dump_stack+0x1c4/0x2b4 [ 376.249014] syz-executor4 cpuset= [ 376.259502] ? dump_stack_print_info.cold.2+0x52/0x52 [ 376.259540] warn_alloc.cold.118+0xb7/0x1bd [ 376.261869] syz4 [ 376.265413] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.265432] ? lock_downgrade+0x900/0x900 [ 376.265456] ? trace_hardirqs_off+0xb8/0x300 [ 376.265477] ? trace_hardirqs_off+0xb8/0x300 [ 376.265501] __alloc_pages_slowpath+0x2667/0x2d80 [ 376.265556] ? warn_alloc+0x120/0x120 [ 376.269120] mems_allowed=0 [ 376.274305] ? warn_alloc+0x120/0x120 [ 376.313778] ? print_usage_bug+0xc0/0xc0 [ 376.317844] ? warn_alloc+0x120/0x120 [ 376.321648] ? print_usage_bug+0xc0/0xc0 [ 376.325714] ? __lock_acquire+0x7ec/0x4ec0 [ 376.329976] ? __lock_acquire+0x7ec/0x4ec0 [ 376.334324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.339875] ? should_fail+0x22d/0xd01 [ 376.343771] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.348883] ? __lock_acquire+0x7ec/0x4ec0 [ 376.353133] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.358331] ? __lock_acquire+0x7ec/0x4ec0 [ 376.362570] ? should_fail+0x22d/0xd01 [ 376.366471] ? mark_held_locks+0x130/0x130 [ 376.370719] ? mark_held_locks+0x130/0x130 [ 376.374957] ? graph_lock+0x170/0x170 [ 376.378763] ? graph_lock+0x170/0x170 [ 376.382572] ? graph_lock+0x170/0x170 [ 376.386375] ? print_usage_bug+0xc0/0xc0 [ 376.390442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.395987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.401551] ? check_preemption_disabled+0x48/0x200 [ 376.406566] ? check_preemption_disabled+0x48/0x200 [ 376.411610] ? __lock_is_held+0xb5/0x140 [ 376.415681] __alloc_pages_nodemask+0xa80/0xde0 [ 376.420360] ? graph_lock+0x170/0x170 [ 376.424174] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 376.429198] ? graph_lock+0x170/0x170 [ 376.433017] ? find_held_lock+0x36/0x1c0 [ 376.437097] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.441769] ? lock_downgrade+0x900/0x900 [ 376.445926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.451469] cache_grow_begin+0x91/0x8c0 [ 376.455542] ? do_raw_spin_unlock+0xa7/0x2f0 [ 376.459961] fallback_alloc+0x203/0x2e0 [ 376.463943] ____cache_alloc_node+0x1c7/0x1e0 [ 376.468443] kmem_cache_alloc_node+0xe3/0x730 [ 376.472946] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.477201] __alloc_skb+0x119/0x770 [ 376.480920] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.486205] ? skb_scrub_packet+0x490/0x490 [ 376.490535] ? lock_downgrade+0x900/0x900 [ 376.494694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.500239] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.505696] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.511150] ? addrconf_rs_timer+0x6f0/0x6f0 [ 376.515577] ndisc_alloc_skb+0x144/0x340 [ 376.519646] ndisc_send_rs+0x331/0x6e0 [ 376.523552] addrconf_rs_timer+0x3c0/0x6f0 [ 376.527795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.532052] call_timer_fn+0x272/0x920 [ 376.535948] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.540198] ? process_timeout+0x40/0x40 [ 376.544272] ? find_held_lock+0x36/0x1c0 [ 376.548349] ? mark_held_locks+0xc7/0x130 [ 376.552503] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.557012] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.561524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.565765] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 376.570354] ? trace_hardirqs_on+0xbd/0x310 [ 376.574674] ? kasan_check_read+0x11/0x20 [ 376.578825] ? __run_timers+0x7da/0xc70 [ 376.582803] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.588264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.592509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.596754] __run_timers+0x7e5/0xc70 [ 376.600591] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 376.605957] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.610974] ? graph_lock+0x170/0x170 [ 376.614784] ? print_usage_bug+0xc0/0xc0 [ 376.618846] ? lock_release+0x970/0x970 [ 376.622821] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.628018] ? find_held_lock+0x36/0x1c0 [ 376.632093] ? graph_lock+0x170/0x170 [ 376.635897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.641435] ? check_preemption_disabled+0x48/0x200 [ 376.646465] ? __lock_is_held+0xb5/0x140 [ 376.650541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.656091] ? check_preemption_disabled+0x48/0x200 [ 376.661130] run_timer_softirq+0x52/0xb0 [ 376.665202] ? rcu_read_lock_sched_held+0x108/0x120 [ 376.670263] __do_softirq+0x30b/0xad8 [ 376.674082] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 376.679195] ? pvclock_read_flags+0x160/0x160 [ 376.683691] ? lapic_next_event+0x5a/0x90 [ 376.687847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.693386] ? check_preemption_disabled+0x48/0x200 [ 376.698399] ? check_preemption_disabled+0x48/0x200 [ 376.703425] ? kvm_clock_read+0x18/0x30 [ 376.707400] ? kvm_sched_clock_read+0x9/0x20 [ 376.711813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.717349] ? check_preemption_disabled+0x48/0x200 [ 376.722378] irq_exit+0x17f/0x1c0 [ 376.725837] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.730681] ? smp_reschedule_interrupt+0x109/0x650 [ 376.735702] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.741590] ? interrupt_entry+0xb5/0xf0 [ 376.745672] ? trace_hardirqs_off_caller+0xbb/0x300 [ 376.750694] ? trace_hardirqs_off_caller+0xbb/0x300 [ 376.755723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.760571] ? trace_hardirqs_off+0x300/0x300 [ 376.765065] ? trace_hardirqs_off+0x300/0x300 [ 376.769580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.775643] ? check_preemption_disabled+0x48/0x200 [ 376.780662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.786214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.791081] apic_timer_interrupt+0xf/0x20 [ 376.795313] [ 376.797553] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 376.802840] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 376.821757] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 376.829476] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 376.836744] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 376.844015] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 376.851291] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 376.858574] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 376.865879] ? arch_local_irq_restore+0x45/0x52 [ 376.870572] dump_stack+0x26a/0x2b4 [ 376.874220] ? dump_stack_print_info.cold.2+0x52/0x52 [ 376.879424] ? mark_held_locks+0x130/0x130 [ 376.883664] ? mark_held_locks+0x130/0x130 [ 376.887905] dump_header+0x27b/0xf72 [ 376.891645] ? pagefault_out_of_memory+0x197/0x197 [ 376.896594] ? mark_held_locks+0x130/0x130 [ 376.900835] ? __lock_acquire+0x7ec/0x4ec0 [ 376.905083] ? print_usage_bug+0xc0/0xc0 [ 376.909162] ? graph_lock+0x170/0x170 [ 376.912965] ? graph_lock+0x170/0x170 [ 376.916775] ? print_usage_bug+0xc0/0xc0 [ 376.920865] ? print_usage_bug+0xc0/0xc0 [ 376.924939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.930486] ? find_held_lock+0x36/0x1c0 [ 376.934573] ? mark_held_locks+0xc7/0x130 [ 376.938740] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.943857] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.948966] ? lockdep_hardirqs_on+0x421/0x5c0 [ 376.953559] ? trace_hardirqs_on+0xbd/0x310 [ 376.957885] ? kasan_check_read+0x11/0x20 [ 376.962047] ? ___ratelimit+0x36f/0x655 [ 376.966030] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.971500] ? trace_hardirqs_on+0x310/0x310 [ 376.975931] ? lock_downgrade+0x900/0x900 [ 376.980098] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 376.985210] ? ___ratelimit+0xaa/0x655 [ 376.989109] ? idr_get_free+0xec0/0xec0 [ 376.993092] ? kasan_check_write+0x14/0x20 [ 376.997332] ? do_raw_spin_lock+0xc1/0x200 [ 377.001588] oom_kill_process.cold.27+0x10/0x903 [ 377.006349] ? graph_lock+0x170/0x170 [ 377.010150] ? _raw_spin_unlock+0x2c/0x50 [ 377.014299] ? oom_badness+0xe6/0xaa0 [ 377.018111] ? oom_evaluate_task+0x540/0x540 [ 377.022536] ? find_held_lock+0x36/0x1c0 [ 377.026611] ? out_of_memory+0x974/0x14c0 [ 377.030764] ? lock_downgrade+0x900/0x900 [ 377.034914] ? check_preemption_disabled+0x48/0x200 [ 377.039940] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 377.045751] ? kasan_check_read+0x11/0x20 [ 377.049906] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.055189] ? rcu_bh_qs+0xc0/0xc0 [ 377.058737] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 377.063754] ? oom_evaluate_task+0x302/0x540 [ 377.068171] out_of_memory+0xa86/0x14c0 [ 377.072160] ? oom_killer_disable+0x3a0/0x3a0 [ 377.076661] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 377.081596] ? __mutex_add_waiter+0x2a0/0x2a0 [ 377.086108] __alloc_pages_slowpath+0x2318/0x2d80 [ 377.090984] ? warn_alloc+0x120/0x120 [ 377.094791] ? lock_downgrade+0x900/0x900 [ 377.098947] ? print_usage_bug+0xc0/0xc0 [ 377.103017] ? warn_alloc+0x120/0x120 [ 377.106827] ? print_usage_bug+0xc0/0xc0 [ 377.110898] ? debug_check_no_obj_freed+0x305/0x58d [ 377.115922] ? print_usage_bug+0xc0/0xc0 [ 377.119996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.125563] ? should_fail+0x22d/0xd01 [ 377.129479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.134615] ? __lock_acquire+0x7ec/0x4ec0 [ 377.138895] ? __lock_is_held+0xb5/0x140 [ 377.142973] ? graph_lock+0x170/0x170 [ 377.146785] ? ___might_sleep+0x1ed/0x300 [ 377.150939] ? lock_release+0x970/0x970 [ 377.154923] ? arch_local_save_flags+0x40/0x40 [ 377.159531] ? __might_sleep+0x95/0x190 [ 377.163523] __alloc_pages_nodemask+0xa80/0xde0 [ 377.168202] ? graph_lock+0x170/0x170 [ 377.172011] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 377.177034] ? graph_lock+0x170/0x170 [ 377.180858] ? mark_held_locks+0xc7/0x130 [ 377.185016] ? find_held_lock+0x36/0x1c0 [ 377.189115] ? cache_grow_begin+0x5a4/0x8c0 [ 377.193459] ? lockdep_hardirqs_on+0x421/0x5c0 [ 377.198090] ? trace_hardirqs_on+0xbd/0x310 [ 377.202434] ? fallback_alloc+0x203/0x2e0 [ 377.206591] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.212056] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 377.217608] cache_grow_begin+0x91/0x8c0 [ 377.221679] ? do_raw_spin_unlock+0xa7/0x2f0 [ 377.226106] fallback_alloc+0x203/0x2e0 [ 377.230092] ____cache_alloc_node+0x1c7/0x1e0 [ 377.234600] kmem_cache_alloc_node_trace+0xe7/0x740 [ 377.239640] __kmalloc_node_track_caller+0x33/0x70 [ 377.244590] __kmalloc_reserve.isra.39+0x41/0xe0 [ 377.249359] __alloc_skb+0x155/0x770 [ 377.253086] ? skb_scrub_packet+0x490/0x490 [ 377.257417] ? if_nlmsg_size+0x5d1/0xbb0 [ 377.261487] ? nla_put_ifalias+0x170/0x170 [ 377.265745] ? softnet_seq_show+0x470/0x470 [ 377.270106] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 377.275133] ? netif_tx_stop_all_queues+0xd9/0x110 [ 377.280073] rtmsg_ifinfo_build_skb+0x74/0x190 [ 377.284672] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 377.289530] rtmsg_ifinfo+0x8c/0xa0 [ 377.293175] dev_close_many+0x3be/0x860 [ 377.297187] ? unlist_netdevice+0x670/0x670 [ 377.301544] ? find_held_lock+0x36/0x1c0 [ 377.305635] ? __queue_work+0x6be/0x1440 [ 377.309717] ? lock_downgrade+0x900/0x900 [ 377.313890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.319446] ? rtnl_is_locked+0xb5/0xf0 [ 377.323436] ? rtnl_trylock+0x20/0x20 [ 377.327249] ? do_raw_spin_unlock+0xa7/0x2f0 [ 377.331671] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 377.336274] rollback_registered_many+0x56e/0x1240 [ 377.341220] ? generic_xdp_install+0x4c0/0x4c0 [ 377.345816] ? max_active_store+0x170/0x170 [ 377.350141] ? graph_lock+0x170/0x170 [ 377.353964] ? print_usage_bug+0xc0/0xc0 [ 377.358027] ? print_usage_bug+0xc0/0xc0 [ 377.362100] ? kfree_skbmem+0x154/0x230 [ 377.366075] ? graph_lock+0x170/0x170 [ 377.369875] ? print_usage_bug+0xc0/0xc0 [ 377.373940] ? find_held_lock+0x36/0x1c0 [ 377.378325] ? mark_held_locks+0xc7/0x130 [ 377.382478] rollback_registered+0x1e9/0x420 [ 377.386887] ? lockdep_hardirqs_on+0x351/0x5c0 [ 377.391468] ? rollback_registered_many+0x1240/0x1240 [ 377.396657] ? trace_hardirqs_on+0xbd/0x310 [ 377.400984] ? linkwatch_schedule_work+0x150/0x170 [ 377.405915] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.411368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.416903] ? rtnl_is_locked+0xb5/0xf0 [ 377.420899] ? rtnl_trylock+0x20/0x20 [ 377.424703] ? queue_delayed_work_on+0x130/0x1f0 [ 377.429464] unregister_netdevice_queue+0x321/0x5e0 [ 377.434489] ? rollback_registered+0x420/0x420 [ 377.439086] ? linkwatch_schedule_work+0x170/0x170 [ 377.444022] ? tun_show_owner+0x170/0x170 [ 377.448181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.453726] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 377.459094] ? __tun_detach+0x6ba/0x15c0 [ 377.463168] __tun_detach+0x11b8/0x15c0 [ 377.467147] ? __call_rcu.constprop.69+0x429/0xbc0 [ 377.472099] ? tun_attach+0x1770/0x1770 [ 377.476079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.481619] ? check_preemption_disabled+0x48/0x200 [ 377.486648] ? graph_lock+0x170/0x170 [ 377.490456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.495998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.501541] ? locks_remove_file+0x3c6/0x5c0 [ 377.505953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.511490] ? ima_file_free+0x132/0x650 [ 377.515585] ? __lock_is_held+0xb5/0x140 [ 377.519652] ? __tun_detach+0x15c0/0x15c0 [ 377.523808] ? __tun_detach+0x15c0/0x15c0 [ 377.527954] tun_chr_close+0xe3/0x180 [ 377.531756] __fput+0x385/0xa30 [ 377.535046] ? get_max_files+0x20/0x20 [ 377.538943] ? ___might_sleep+0x1ed/0x300 [ 377.543093] ? arch_local_save_flags+0x40/0x40 [ 377.547686] ____fput+0x15/0x20 [ 377.550969] task_work_run+0x1e8/0x2a0 [ 377.554861] ? task_work_cancel+0x240/0x240 [ 377.559193] ? switch_task_namespaces+0xb8/0xd0 [ 377.563871] do_exit+0x1ad7/0x2610 [ 377.567421] ? mm_update_next_owner+0x990/0x990 [ 377.572094] ? print_usage_bug+0xc0/0xc0 [ 377.576165] ? __lock_acquire+0x7ec/0x4ec0 [ 377.580414] ? find_held_lock+0x36/0x1c0 [ 377.584495] ? __lock_acquire+0x7ec/0x4ec0 [ 377.588739] ? mark_held_locks+0x130/0x130 [ 377.592979] ? lock_acquire+0x1ed/0x520 [ 377.596962] ? mark_held_locks+0x130/0x130 [ 377.601201] ? arch_local_save_flags+0x40/0x40 [ 377.605787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.611345] ? __mutex_lock+0x872/0x1710 [ 377.615408] ? __switch_to_asm+0x40/0x70 [ 377.619469] ? __switch_to_asm+0x34/0x70 [ 377.623538] ? pipe_wait+0x266/0x2c0 [ 377.627262] ? mutex_trylock+0x2b0/0x2b0 [ 377.631338] ? graph_lock+0x170/0x170 [ 377.635226] ? find_held_lock+0x36/0x1c0 [ 377.639298] ? memset+0x31/0x40 [ 377.642595] ? find_held_lock+0x36/0x1c0 [ 377.647159] ? get_signal+0x95b/0x1980 [ 377.651065] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.655566] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.660076] do_group_exit+0x177/0x440 [ 377.663969] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.669444] ? __ia32_sys_exit+0x50/0x50 [ 377.673527] get_signal+0x8b0/0x1980 [ 377.677274] ? ptrace_notify+0x130/0x130 [ 377.681340] ? finish_wait+0x430/0x430 [ 377.685227] ? graph_lock+0x170/0x170 [ 377.689046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.694587] ? pipe_read+0x702/0x940 [ 377.698303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.703856] do_signal+0x9c/0x21e0 [ 377.707401] ? __vfs_read+0x11f/0x9b0 [ 377.711209] ? vfs_copy_file_range+0xb90/0xb90 [ 377.715794] ? setup_sigcontext+0x7d0/0x7d0 [ 377.720139] ? exit_to_usermode_loop+0x8c/0x380 [ 377.724832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.730385] exit_to_usermode_loop+0x2e5/0x380 [ 377.734986] ? syscall_slow_exit_work+0x520/0x520 [ 377.739852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.745433] do_syscall_64+0x6be/0x820 [ 377.749347] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 377.754746] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.759692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.764561] ? trace_hardirqs_off+0x300/0x300 [ 377.769081] ? prepare_exit_to_usermode+0x291/0x3b0 [ 377.774113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.778966] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.784160] RIP: 0033:0x410e10 [ 377.787360] Code: Bad RIP value. [ 377.790720] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 377.798429] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 377.805696] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 377.813311] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 377.820580] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 377.827850] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 377.835158] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 377.835163] warn_alloc_show_mem: 1 callbacks suppressed [ 377.835170] Mem-Info: [ 377.842446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.842455] Call Trace: [ 377.847826] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 377.847826] active_file:19 inactive_file:16 isolated_file:0 [ 377.847826] unevictable:0 dirty:0 writeback:0 unstable:0 [ 377.847826] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 377.847826] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 377.847826] free:13785 free_pcp:397 free_cma:0 [ 377.850199] [ 377.859579] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 377.862170] dump_stack+0x1c4/0x2b4 [ 377.894946] Node 0 [ 377.897110] ? dump_stack_print_info.cold.2+0x52/0x52 [ 377.924700] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 377.928322] warn_alloc.cold.118+0xb7/0x1bd [ 377.930524] lowmem_reserve[]: [ 377.935716] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.961211] 0 [ 377.965550] ? lock_downgrade+0x900/0x900 [ 377.968622] 2815 [ 377.973465] ? trace_hardirqs_off+0xb8/0x300 [ 377.975240] 6318 [ 377.979381] ? trace_hardirqs_off+0xb8/0x300 [ 377.981420] 6318 [ 377.985831] __alloc_pages_slowpath+0x2667/0x2d80 [ 377.992293] ? warn_alloc+0x120/0x120 [ 377.994307] Node 0 [ 377.999147] ? warn_alloc+0x120/0x120 [ 378.002947] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 378.005156] ? print_usage_bug+0xc0/0xc0 [ 378.008923] lowmem_reserve[]: 0 [ 378.035668] ? lockdep_on+0x50/0x50 [ 378.039711] 0 [ 378.042988] ? lock_pin_lock+0x350/0x350 [ 378.046593] 3503 [ 378.048406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.052434] 3503 [ 378.054497] ? should_fail+0x22d/0xd01 [ 378.060011] Node 0 [ 378.062081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.065969] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 378.068185] ? __lock_acquire+0x7ec/0x4ec0 [ 378.073265] lowmem_reserve[]: [ 378.101826] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.106028] 0 [ 378.109131] ? __lock_acquire+0x2881/0x4ec0 [ 378.114205] 0 [ 378.116005] ? should_fail+0x22d/0xd01 [ 378.120298] 0 [ 378.122106] ? mark_held_locks+0x130/0x130 [ 378.125954] 0 [ 378.127756] ? mark_held_locks+0x130/0x130 [ 378.133760] ? kasan_check_read+0x11/0x20 [ 378.137972] Node 0 [ 378.142110] ? __lock_acquire+0x2881/0x4ec0 [ 378.142113] DMA: 1*4kB [ 378.144351] ? graph_lock+0x170/0x170 [ 378.148650] (U) [ 378.151232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.155007] 0*8kB [ 378.156975] ? check_preemption_disabled+0x48/0x200 [ 378.162491] 0*16kB [ 378.164646] ? check_preemption_disabled+0x48/0x200 [ 378.169641] 1*32kB [ 378.171894] ? __lock_is_held+0xb5/0x140 [ 378.176873] (U) [ 378.179121] __alloc_pages_nodemask+0xa80/0xde0 [ 378.183151] 2*64kB [ 378.185130] ? graph_lock+0x170/0x170 [ 378.189763] (U) 1*128kB [ 378.192009] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 378.195774] (U) [ 378.198442] ? graph_lock+0x170/0x170 [ 378.203433] 1*256kB [ 378.205414] ? find_held_lock+0x36/0x1c0 [ 378.209177] (U) [ 378.211505] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.215546] 0*512kB [ 378.217525] ? lock_downgrade+0x900/0x900 [ 378.222165] 1*1024kB [ 378.224486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.228603] (U) [ 378.231011] cache_grow_begin+0x91/0x8c0 [ 378.236527] 1*2048kB [ 378.238502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 378.242547] (M) [ 378.244957] fallback_alloc+0x203/0x2e0 [ 378.249336] 3*4096kB [ 378.251310] ____cache_alloc_node+0x1c7/0x1e0 [ 378.255256] (M) [ 378.257666] kmem_cache_alloc_node+0xe3/0x730 [ 378.262134] = 15908kB [ 378.264106] ? do_raw_spin_unlock+0xa7/0x2f0 [ 378.268577] Node 0 [ 378.270988] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 378.275374] DMA32: [ 378.277620] __alloc_skb+0x119/0x770 [ 378.282172] 3*4kB [ 378.284405] ? skb_scrub_packet+0x490/0x490 [ 378.288094] (M) [ 378.290244] ? atomic_notifier_call_chain+0xc6/0x190 [ 378.294546] 1*8kB [ 378.296524] ? lock_downgrade+0x900/0x900 [ 378.301623] (M) [ 378.303767] ? check_preemption_disabled+0x48/0x200 [ 378.307891] 3*16kB [ 378.309865] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 378.314851] (UM) [ 378.317082] ? kasan_check_read+0x11/0x20 [ 378.322852] 3*32kB [ 378.324907] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.329024] (UM) [ 378.331255] ? rcu_bh_qs+0xc0/0xc0 [ 378.336507] 2*64kB [ 378.338578] ? find_next_bit+0x104/0x130 [ 378.342092] (UM) [ 378.344326] ? do_raw_write_trylock+0x1c0/0x1c0 [ 378.348359] 5*128kB [ 378.350422] __neigh_notify+0x8c/0x160 [ 378.355063] (UM) [ 378.357386] ? __neigh_event_send+0x1390/0x1390 [ 378.361247] 3*256kB [ 378.363309] neigh_timer_handler+0x6cb/0xdf0 [ 378.367945] (M) [ 378.370268] ? neigh_invalidate+0x550/0x550 [ 378.374648] 4*512kB [ 378.376617] ? __lock_is_held+0xb5/0x140 [ 378.380919] (M) [ 378.383260] call_timer_fn+0x272/0x920 [ 378.387280] 3*1024kB [ 378.389254] ? neigh_invalidate+0x550/0x550 [ 378.393111] (UM) [ 378.395527] ? process_timeout+0x40/0x40 [ 378.399816] 3*2048kB [ 378.401876] ? find_held_lock+0x36/0x1c0 [ 378.405927] (M) [ 378.408340] ? __run_timers+0x7da/0xc70 [ 378.412370] 3*4096kB [ 378.414345] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.418291] (M) [ 378.420695] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.425165] = 25252kB [ 378.427137] ? neigh_invalidate+0x550/0x550 [ 378.431603] Node 0 [ 378.434010] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 378.438305] Normal: [ 378.440547] ? trace_hardirqs_on+0xbd/0x310 [ 378.445098] 1016*4kB [ 378.447416] ? kasan_check_read+0x11/0x20 [ 378.451712] (UME) [ 378.454120] ? __run_timers+0x7da/0xc70 [ 378.458240] 348*8kB [ 378.460386] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.464334] (UME) [ 378.466669] ? neigh_invalidate+0x550/0x550 [ 378.472083] 167*16kB [ 378.474228] __run_timers+0x7e5/0xc70 [ 378.478532] (UME) [ 378.480967] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 378.484732] 68*32kB [ 378.486878] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.492217] (UME) [ 378.494556] ? graph_lock+0x170/0x170 [ 378.499542] 21*64kB (M) [ 378.501702] ? enqueue_hrtimer+0x1a5/0x560 [ 378.505471] 6*128kB (UM) [ 378.508150] ? lock_release+0x970/0x970 [ 378.512360] 1*256kB [ 378.515114] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.519064] (U) [ 378.521395] ? find_held_lock+0x36/0x1c0 [ 378.526556] 0*512kB [ 378.528544] ? graph_lock+0x170/0x170 [ 378.532577] 0*1024kB [ 378.534893] ? pvclock_read_flags+0x160/0x160 [ 378.538671] 0*2048kB [ 378.541080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.545543] 0*4096kB = 14064kB [ 378.547962] ? check_preemption_disabled+0x48/0x200 [ 378.553480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.556668] ? __lock_is_held+0xb5/0x140 [ 378.561657] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.570484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.574524] 503 total pagecache pages [ 378.583100] ? check_preemption_disabled+0x48/0x200 [ 378.588635] 0 pages in swap cache [ 378.592428] run_timer_softirq+0x52/0xb0 [ 378.597419] Swap cache stats: add 0, delete 0, find 0/0 [ 378.600862] ? rcu_read_lock_sched_held+0x108/0x120 [ 378.604897] Free swap = 0kB [ 378.610270] __do_softirq+0x30b/0xad8 [ 378.615263] Total swap = 0kB [ 378.618287] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 378.622056] 1965979 pages RAM [ 378.625081] ? pvclock_read_flags+0x160/0x160 [ 378.630165] 0 pages HighMem/MovableOnly [ 378.633277] ? lapic_next_event+0x5a/0x90 [ 378.637738] 343324 pages reserved [ 378.637747] 0 pages cma reserved [ 378.641722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.645917] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.649286] ? check_preemption_disabled+0x48/0x200 [ 378.652711] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.658160] ? check_preemption_disabled+0x48/0x200 [ 378.664630] syz-executor2 cpuset= [ 378.669642] ? kvm_clock_read+0x18/0x30 [ 378.680097] syz2 [ 378.685108] ? kvm_sched_clock_read+0x9/0x20 [ 378.688551] mems_allowed=0 [ 378.692526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.707312] ? check_preemption_disabled+0x48/0x200 [ 378.712348] irq_exit+0x17f/0x1c0 [ 378.715805] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.720652] ? smp_reschedule_interrupt+0x109/0x650 [ 378.725673] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.731590] ? interrupt_entry+0xb5/0xf0 [ 378.735656] ? trace_hardirqs_off_caller+0xbb/0x300 [ 378.740681] ? trace_hardirqs_off_caller+0xbb/0x300 [ 378.745729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.750604] ? trace_hardirqs_off+0x300/0x300 [ 378.755125] ? trace_hardirqs_off+0x300/0x300 [ 378.759645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.765203] ? check_preemption_disabled+0x48/0x200 [ 378.770229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.776022] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.780885] apic_timer_interrupt+0xf/0x20 [ 378.785114] [ 378.787355] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 378.792290] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 378.811194] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 378.818907] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 378.826177] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 378.833447] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 378.840714] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 378.847981] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 378.855297] skb_clone+0x1bb/0x500 [ 378.858842] ? skb_split+0x11e0/0x11e0 [ 378.862734] ? preempt_notifier_register+0x200/0x200 [ 378.867838] ? __switch_to_asm+0x34/0x70 [ 378.871899] ? __switch_to_asm+0x34/0x70 [ 378.875961] ? __switch_to_asm+0x40/0x70 [ 378.880023] ? __switch_to_asm+0x34/0x70 [ 378.884083] ? __switch_to_asm+0x40/0x70 [ 378.888147] ? __switch_to_asm+0x40/0x70 [ 378.892206] ? __switch_to_asm+0x34/0x70 [ 378.896268] ? __switch_to_asm+0x34/0x70 [ 378.900330] ? __switch_to_asm+0x40/0x70 [ 378.904389] ? __switch_to_asm+0x34/0x70 [ 378.908460] bpf_clone_redirect+0xb9/0x490 [ 378.912710] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 378.917734] ? __sched_text_start+0x8/0x8 [ 378.921882] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 378.926740] ? find_held_lock+0x36/0x1c0 [ 378.930808] ? lock_acquire+0x1ed/0x520 [ 378.934785] ? bpf_test_run+0x32e/0x5a0 [ 378.938761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.944299] ? check_preemption_disabled+0x48/0x200 [ 378.949319] ? kasan_check_read+0x11/0x20 [ 378.953471] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.958753] ? rcu_bh_qs+0xc0/0xc0 [ 378.962341] ? preempt_schedule+0x4d/0x60 [ 378.966491] ? ___preempt_schedule+0x16/0x18 [ 378.970917] ? bpf_test_run+0x1c0/0x5a0 [ 378.974896] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 378.979748] ? netlink_diag_dump+0x2a0/0x2a0 [ 378.984159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.989699] ? bpf_test_init.isra.9+0x70/0x100 [ 378.994306] ? bpf_prog_test_run_skb+0x634/0xb40 [ 378.999075] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 379.003916] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.009459] ? fput+0x130/0x1a0 [ 379.012741] ? __bpf_prog_get+0x9b/0x290 [ 379.016805] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 379.021650] ? bpf_prog_test_run+0x130/0x1a0 [ 379.026064] ? __x64_sys_bpf+0x3d8/0x510 [ 379.030126] ? bpf_prog_get+0x20/0x20 [ 379.033953] ? do_syscall_64+0x1b9/0x820 [ 379.038016] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.043384] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.048320] ? trace_hardirqs_off+0x300/0x300 [ 379.052819] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.057836] ? recalc_sigpending_tsk+0x180/0x180 [ 379.062592] ? kasan_check_write+0x14/0x20 [ 379.066836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.071695] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.077080] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 379.077244] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.084279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.094771] syz-executor4 cpuset= [ 379.104113] Call Trace: [ 379.104122] syz4 [ 379.107560] [ 379.110136] mems_allowed=0 [ 379.112105] dump_stack+0x1c4/0x2b4 [ 379.120767] ? dump_stack_print_info.cold.2+0x52/0x52 [ 379.125972] warn_alloc.cold.118+0xb7/0x1bd [ 379.130305] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.135173] ? lock_downgrade+0x900/0x900 [ 379.139332] ? trace_hardirqs_off+0xb8/0x300 [ 379.143749] ? trace_hardirqs_off+0xb8/0x300 [ 379.148170] __alloc_pages_slowpath+0x2667/0x2d80 [ 379.153054] ? warn_alloc+0x120/0x120 [ 379.156860] ? warn_alloc+0x120/0x120 [ 379.160668] ? print_usage_bug+0xc0/0xc0 [ 379.164734] ? warn_alloc+0x120/0x120 [ 379.168546] ? print_usage_bug+0xc0/0xc0 [ 379.172617] ? __lock_acquire+0x7ec/0x4ec0 [ 379.176851] ? __lock_acquire+0x7ec/0x4ec0 [ 379.181090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.186715] ? should_fail+0x22d/0xd01 [ 379.190605] ? __lock_acquire+0x7ec/0x4ec0 [ 379.194841] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.199944] ? __lock_acquire+0x7ec/0x4ec0 [ 379.204188] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.209294] ? __lock_acquire+0x7ec/0x4ec0 [ 379.213539] ? should_fail+0x22d/0xd01 [ 379.217451] ? mark_held_locks+0x130/0x130 [ 379.221697] ? mark_held_locks+0x130/0x130 [ 379.225944] ? graph_lock+0x170/0x170 [ 379.229745] ? print_usage_bug+0xc0/0xc0 [ 379.233806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.239347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.244882] ? check_preemption_disabled+0x48/0x200 [ 379.249895] ? check_preemption_disabled+0x48/0x200 [ 379.254922] ? __lock_is_held+0xb5/0x140 [ 379.258990] __alloc_pages_nodemask+0xa80/0xde0 [ 379.263664] ? graph_lock+0x170/0x170 [ 379.267473] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 379.272489] ? graph_lock+0x170/0x170 [ 379.276312] ? find_held_lock+0x36/0x1c0 [ 379.280385] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.285066] ? lock_downgrade+0x900/0x900 [ 379.289229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.294785] cache_grow_begin+0x91/0x8c0 [ 379.298859] ? do_raw_spin_unlock+0xa7/0x2f0 [ 379.303280] fallback_alloc+0x203/0x2e0 [ 379.307265] ____cache_alloc_node+0x1c7/0x1e0 [ 379.311767] kmem_cache_alloc_node+0xe3/0x730 [ 379.316265] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.320522] __alloc_skb+0x119/0x770 [ 379.324239] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.329526] ? skb_scrub_packet+0x490/0x490 [ 379.333855] ? lock_downgrade+0x900/0x900 [ 379.338014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.343559] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.349016] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.354472] ? addrconf_rs_timer+0x6f0/0x6f0 [ 379.358918] ndisc_alloc_skb+0x144/0x340 [ 379.362990] ndisc_send_rs+0x331/0x6e0 [ 379.366886] addrconf_rs_timer+0x3c0/0x6f0 [ 379.371133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.375382] call_timer_fn+0x272/0x920 [ 379.379273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.383509] ? process_timeout+0x40/0x40 [ 379.387578] ? find_held_lock+0x36/0x1c0 [ 379.391658] ? mark_held_locks+0xc7/0x130 [ 379.395814] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.400308] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.404803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.409043] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 379.413628] ? trace_hardirqs_on+0xbd/0x310 [ 379.417951] ? kasan_check_read+0x11/0x20 [ 379.422106] ? __run_timers+0x7da/0xc70 [ 379.426083] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.431558] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.435796] __run_timers+0x7e5/0xc70 [ 379.439612] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 379.444978] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.449997] ? graph_lock+0x170/0x170 [ 379.453803] ? print_usage_bug+0xc0/0xc0 [ 379.457866] ? lock_release+0x970/0x970 [ 379.461846] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 379.467057] ? find_held_lock+0x36/0x1c0 [ 379.471134] ? graph_lock+0x170/0x170 [ 379.474961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.480537] ? check_preemption_disabled+0x48/0x200 [ 379.485601] ? __lock_is_held+0xb5/0x140 [ 379.489700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.495270] ? check_preemption_disabled+0x48/0x200 [ 379.500323] run_timer_softirq+0x52/0xb0 [ 379.504407] ? rcu_read_lock_sched_held+0x108/0x120 [ 379.509446] __do_softirq+0x30b/0xad8 [ 379.513280] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 379.518411] ? pvclock_read_flags+0x160/0x160 [ 379.522924] ? lapic_next_event+0x5a/0x90 [ 379.527082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.532632] ? check_preemption_disabled+0x48/0x200 [ 379.537662] ? check_preemption_disabled+0x48/0x200 [ 379.542699] ? kvm_clock_read+0x18/0x30 [ 379.546683] ? kvm_sched_clock_read+0x9/0x20 [ 379.551108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.556667] ? check_preemption_disabled+0x48/0x200 [ 379.561707] irq_exit+0x17f/0x1c0 [ 379.565169] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.570034] ? smp_reschedule_interrupt+0x109/0x650 [ 379.575092] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.581000] ? interrupt_entry+0xb5/0xf0 [ 379.585079] ? trace_hardirqs_off_caller+0xbb/0x300 [ 379.590106] ? trace_hardirqs_off_caller+0xbb/0x300 [ 379.595144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.600010] ? trace_hardirqs_off+0x300/0x300 [ 379.604533] ? trace_hardirqs_off+0x300/0x300 [ 379.609051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.614608] ? check_preemption_disabled+0x48/0x200 [ 379.619635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.625192] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.630061] apic_timer_interrupt+0xf/0x20 [ 379.634315] [ 379.636565] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 379.641851] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 379.661068] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 379.668801] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 379.676092] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 379.683385] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 379.690664] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 379.697944] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 379.705258] ? arch_local_irq_restore+0x45/0x52 [ 379.709945] dump_stack+0x26a/0x2b4 [ 379.713592] ? dump_stack_print_info.cold.2+0x52/0x52 [ 379.718813] ? mark_held_locks+0x130/0x130 [ 379.723067] ? mark_held_locks+0x130/0x130 [ 379.727327] dump_header+0x27b/0xf72 [ 379.731075] ? pagefault_out_of_memory+0x197/0x197 [ 379.736027] ? mark_held_locks+0x130/0x130 [ 379.740277] ? __lock_acquire+0x7ec/0x4ec0 [ 379.744532] ? print_usage_bug+0xc0/0xc0 [ 379.748612] ? graph_lock+0x170/0x170 [ 379.752430] ? graph_lock+0x170/0x170 [ 379.756255] ? print_usage_bug+0xc0/0xc0 [ 379.760335] ? print_usage_bug+0xc0/0xc0 [ 379.764436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.770004] ? find_held_lock+0x36/0x1c0 [ 379.774093] ? mark_held_locks+0xc7/0x130 [ 379.778252] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 379.783365] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 379.788478] ? lockdep_hardirqs_on+0x421/0x5c0 [ 379.793074] ? trace_hardirqs_on+0xbd/0x310 [ 379.797412] ? kasan_check_read+0x11/0x20 [ 379.801583] ? ___ratelimit+0x36f/0x655 [ 379.805579] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.811068] ? trace_hardirqs_on+0x310/0x310 [ 379.815505] ? lock_downgrade+0x900/0x900 [ 379.819684] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.824815] ? ___ratelimit+0xaa/0x655 [ 379.828717] ? idr_get_free+0xec0/0xec0 [ 379.832712] ? kasan_check_write+0x14/0x20 [ 379.836977] ? do_raw_spin_lock+0xc1/0x200 [ 379.841248] oom_kill_process.cold.27+0x10/0x903 [ 379.846031] ? graph_lock+0x170/0x170 [ 379.849855] ? _raw_spin_unlock+0x2c/0x50 [ 379.854019] ? oom_badness+0xe6/0xaa0 [ 379.857846] ? oom_evaluate_task+0x540/0x540 [ 379.862289] ? find_held_lock+0x36/0x1c0 [ 379.866373] ? out_of_memory+0x974/0x14c0 [ 379.870554] ? lock_downgrade+0x900/0x900 [ 379.874728] ? check_preemption_disabled+0x48/0x200 [ 379.879768] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 379.885699] ? kasan_check_read+0x11/0x20 [ 379.889874] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.895171] ? rcu_bh_qs+0xc0/0xc0 [ 379.898735] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.903782] ? oom_evaluate_task+0x302/0x540 [ 379.908208] out_of_memory+0xa86/0x14c0 [ 379.912216] ? oom_killer_disable+0x3a0/0x3a0 [ 379.916725] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 379.921663] ? __mutex_add_waiter+0x2a0/0x2a0 [ 379.926180] __alloc_pages_slowpath+0x2318/0x2d80 [ 379.931079] ? warn_alloc+0x120/0x120 [ 379.934895] ? lock_downgrade+0x900/0x900 [ 379.939065] ? print_usage_bug+0xc0/0xc0 [ 379.943146] ? warn_alloc+0x120/0x120 [ 379.946965] ? print_usage_bug+0xc0/0xc0 [ 379.951048] ? debug_check_no_obj_freed+0x305/0x58d [ 379.956087] ? print_usage_bug+0xc0/0xc0 [ 379.960165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.965718] ? should_fail+0x22d/0xd01 [ 379.969624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.974765] ? __lock_acquire+0x7ec/0x4ec0 [ 379.979074] ? __lock_is_held+0xb5/0x140 [ 379.983165] ? graph_lock+0x170/0x170 [ 379.986983] ? ___might_sleep+0x1ed/0x300 [ 379.991149] ? lock_release+0x970/0x970 [ 379.995144] ? arch_local_save_flags+0x40/0x40 [ 379.999755] ? __might_sleep+0x95/0x190 [ 380.003750] __alloc_pages_nodemask+0xa80/0xde0 [ 380.008441] ? graph_lock+0x170/0x170 [ 380.012262] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 380.017293] ? graph_lock+0x170/0x170 [ 380.021121] ? mark_held_locks+0xc7/0x130 [ 380.025279] ? find_held_lock+0x36/0x1c0 [ 380.029364] ? cache_grow_begin+0x5a4/0x8c0 [ 380.033707] ? lockdep_hardirqs_on+0x421/0x5c0 [ 380.038308] ? trace_hardirqs_on+0xbd/0x310 [ 380.042648] ? fallback_alloc+0x203/0x2e0 [ 380.046817] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.052293] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 380.057858] cache_grow_begin+0x91/0x8c0 [ 380.061940] ? do_raw_spin_unlock+0xa7/0x2f0 [ 380.066396] fallback_alloc+0x203/0x2e0 [ 380.070398] ____cache_alloc_node+0x1c7/0x1e0 [ 380.074915] kmem_cache_alloc_node_trace+0xe7/0x740 [ 380.079967] __kmalloc_node_track_caller+0x33/0x70 [ 380.084931] __kmalloc_reserve.isra.39+0x41/0xe0 [ 380.089715] __alloc_skb+0x155/0x770 [ 380.093456] ? skb_scrub_packet+0x490/0x490 [ 380.097799] ? if_nlmsg_size+0x5d1/0xbb0 [ 380.101883] ? nla_put_ifalias+0x170/0x170 [ 380.106148] ? softnet_seq_show+0x470/0x470 [ 380.110489] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 380.115573] ? netif_tx_stop_all_queues+0xd9/0x110 [ 380.120630] rtmsg_ifinfo_build_skb+0x74/0x190 [ 380.125246] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 380.130116] rtmsg_ifinfo+0x8c/0xa0 [ 380.133771] dev_close_many+0x3be/0x860 [ 380.137777] ? unlist_netdevice+0x670/0x670 [ 380.142128] ? find_held_lock+0x36/0x1c0 [ 380.146215] ? __queue_work+0x6be/0x1440 [ 380.150340] ? lock_downgrade+0x900/0x900 [ 380.154514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.160102] ? rtnl_is_locked+0xb5/0xf0 [ 380.164099] ? rtnl_trylock+0x20/0x20 [ 380.167922] ? do_raw_spin_unlock+0xa7/0x2f0 [ 380.172419] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 380.177034] rollback_registered_many+0x56e/0x1240 [ 380.181999] ? generic_xdp_install+0x4c0/0x4c0 [ 380.186698] ? max_active_store+0x170/0x170 [ 380.191061] ? graph_lock+0x170/0x170 [ 380.194888] ? print_usage_bug+0xc0/0xc0 [ 380.199046] ? print_usage_bug+0xc0/0xc0 [ 380.203129] ? kfree_skbmem+0x154/0x230 [ 380.207125] ? graph_lock+0x170/0x170 [ 380.210944] ? print_usage_bug+0xc0/0xc0 [ 380.215030] ? find_held_lock+0x36/0x1c0 [ 380.219129] ? mark_held_locks+0xc7/0x130 [ 380.223306] rollback_registered+0x1e9/0x420 [ 380.227738] ? lockdep_hardirqs_on+0x351/0x5c0 [ 380.232348] ? rollback_registered_many+0x1240/0x1240 [ 380.237587] ? trace_hardirqs_on+0xbd/0x310 [ 380.241943] ? linkwatch_schedule_work+0x150/0x170 [ 380.246903] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.252390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.257973] ? rtnl_is_locked+0xb5/0xf0 [ 380.261986] ? rtnl_trylock+0x20/0x20 [ 380.265849] ? queue_delayed_work_on+0x130/0x1f0 [ 380.270646] unregister_netdevice_queue+0x321/0x5e0 [ 380.275692] ? rollback_registered+0x420/0x420 [ 380.280303] ? linkwatch_schedule_work+0x170/0x170 [ 380.285262] ? tun_show_owner+0x170/0x170 [ 380.289496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.295092] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 380.300501] ? __tun_detach+0x6ba/0x15c0 [ 380.304620] __tun_detach+0x11b8/0x15c0 [ 380.308614] ? __call_rcu.constprop.69+0x429/0xbc0 [ 380.313593] ? tun_attach+0x1770/0x1770 [ 380.317593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.323149] ? check_preemption_disabled+0x48/0x200 [ 380.328198] ? graph_lock+0x170/0x170 [ 380.332023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.337748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.343320] ? locks_remove_file+0x3c6/0x5c0 [ 380.347757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.353319] ? ima_file_free+0x132/0x650 [ 380.357405] ? __lock_is_held+0xb5/0x140 [ 380.361487] ? __tun_detach+0x15c0/0x15c0 [ 380.365684] ? __tun_detach+0x15c0/0x15c0 [ 380.369850] tun_chr_close+0xe3/0x180 [ 380.373670] __fput+0x385/0xa30 [ 380.376975] ? get_max_files+0x20/0x20 [ 380.380884] ? ___might_sleep+0x1ed/0x300 [ 380.385056] ? arch_local_save_flags+0x40/0x40 [ 380.389667] ____fput+0x15/0x20 [ 380.392964] task_work_run+0x1e8/0x2a0 [ 380.397020] ? task_work_cancel+0x240/0x240 [ 380.401374] ? switch_task_namespaces+0xb8/0xd0 [ 380.406071] do_exit+0x1ad7/0x2610 [ 380.409640] ? mm_update_next_owner+0x990/0x990 [ 380.414331] ? print_usage_bug+0xc0/0xc0 [ 380.418421] ? __lock_acquire+0x7ec/0x4ec0 [ 380.422676] ? find_held_lock+0x36/0x1c0 [ 380.426767] ? __lock_acquire+0x7ec/0x4ec0 [ 380.431021] ? mark_held_locks+0x130/0x130 [ 380.435283] ? lock_acquire+0x1ed/0x520 [ 380.439284] ? mark_held_locks+0x130/0x130 [ 380.443563] ? arch_local_save_flags+0x40/0x40 [ 380.448172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.453753] ? __mutex_lock+0x872/0x1710 [ 380.457836] ? __switch_to_asm+0x40/0x70 [ 380.461913] ? __switch_to_asm+0x34/0x70 [ 380.465993] ? pipe_wait+0x266/0x2c0 [ 380.469736] ? mutex_trylock+0x2b0/0x2b0 [ 380.473828] ? graph_lock+0x170/0x170 [ 380.477905] ? find_held_lock+0x36/0x1c0 [ 380.482035] ? memset+0x31/0x40 [ 380.485345] ? find_held_lock+0x36/0x1c0 [ 380.489435] ? get_signal+0x95b/0x1980 [ 380.493347] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.497859] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.502384] do_group_exit+0x177/0x440 [ 380.506298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.511774] ? __ia32_sys_exit+0x50/0x50 [ 380.515946] get_signal+0x8b0/0x1980 [ 380.519774] ? ptrace_notify+0x130/0x130 [ 380.523952] ? finish_wait+0x430/0x430 [ 380.527869] ? graph_lock+0x170/0x170 [ 380.531710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.537273] ? pipe_read+0x702/0x940 [ 380.541005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.546596] do_signal+0x9c/0x21e0 [ 380.550158] ? __vfs_read+0x11f/0x9b0 [ 380.553981] ? vfs_copy_file_range+0xb90/0xb90 [ 380.558595] ? setup_sigcontext+0x7d0/0x7d0 [ 380.563048] ? exit_to_usermode_loop+0x8c/0x380 [ 380.567754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.573316] exit_to_usermode_loop+0x2e5/0x380 [ 380.577938] ? syscall_slow_exit_work+0x520/0x520 [ 380.582800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.588371] do_syscall_64+0x6be/0x820 [ 380.592288] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 380.597675] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.602624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.607492] ? trace_hardirqs_off+0x300/0x300 [ 380.612051] ? prepare_exit_to_usermode+0x291/0x3b0 [ 380.617092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.621964] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.627170] RIP: 0033:0x410e10 [ 380.630380] Code: Bad RIP value. [ 380.633758] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 380.641486] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 380.648987] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 380.656383] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 380.663668] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 380.670956] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 380.678277] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 380.678282] warn_alloc_show_mem: 1 callbacks suppressed [ 380.678290] Mem-Info: [ 380.685665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.685674] Call Trace: [ 380.691067] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 380.691067] active_file:19 inactive_file:16 isolated_file:0 [ 380.691067] unevictable:0 dirty:0 writeback:0 unstable:0 [ 380.691067] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 380.691067] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 380.691067] free:13785 free_pcp:397 free_cma:0 [ 380.693453] [ 380.702829] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 380.705431] dump_stack+0x1c4/0x2b4 [ 380.738366] Node 0 [ 380.740636] ? dump_stack_print_info.cold.2+0x52/0x52 [ 380.768378] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 380.772027] warn_alloc.cold.118+0xb7/0x1bd [ 380.774243] lowmem_reserve[]: [ 380.779805] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.805306] 0 2815 [ 380.809682] ? lock_downgrade+0x900/0x900 [ 380.812885] 6318 [ 380.817846] ? trace_hardirqs_off+0xb8/0x300 [ 380.820068] 6318 [ 380.824244] ? trace_hardirqs_off+0xb8/0x300 [ 380.830809] __alloc_pages_slowpath+0x2667/0x2d80 [ 380.832853] Node 0 [ 380.837310] ? warn_alloc+0x120/0x120 [ 380.842139] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 380.844378] ? warn_alloc+0x120/0x120 [ 380.848169] lowmem_reserve[]: [ 380.875180] ? print_usage_bug+0xc0/0xc0 [ 380.879065] 0 [ 380.882190] ? warn_alloc+0x120/0x120 [ 380.886235] 0 [ 380.888065] ? lock_release+0x970/0x970 [ 380.891845] 3503 3503 [ 380.893673] ? print_usage_bug+0xc0/0xc0 [ 380.897647] Node 0 [ 380.900161] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 380.904241] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 380.906477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.911640] lowmem_reserve[]: 0 [ 380.940226] ? should_fail+0x22d/0xd01 [ 380.945826] 0 [ 380.949258] ? __lock_acquire+0x7ec/0x4ec0 [ 380.953294] 0 0 [ 380.955135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.961348] ? __lock_acquire+0x7ec/0x4ec0 [ 380.966669] Node 0 DMA: [ 380.970935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.970946] 1*4kB [ 380.973635] ? __lock_acquire+0x7ec/0x4ec0 [ 380.978750] (U) [ 380.980926] ? should_fail+0x22d/0xd01 [ 380.985157] 0*8kB 0*16kB [ 380.987168] ? mark_held_locks+0x130/0x130 [ 380.991027] 1*32kB [ 380.993806] ? mark_held_locks+0x130/0x130 [ 380.998025] (U) [ 381.000284] ? graph_lock+0x170/0x170 [ 381.004495] 2*64kB (U) [ 381.006557] ? print_usage_bug+0xc0/0xc0 [ 381.010332] 1*128kB (U) [ 381.012966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.017013] 1*256kB [ 381.019703] ? check_preemption_disabled+0x48/0x200 [ 381.025229] (U) [ 381.027592] ? check_preemption_disabled+0x48/0x200 [ 381.032599] 0*512kB [ 381.034602] ? __lock_is_held+0xb5/0x140 [ 381.039595] 1*1024kB [ 381.041941] __alloc_pages_nodemask+0xa80/0xde0 [ 381.046177] (U) [ 381.048607] ? graph_lock+0x170/0x170 [ 381.053275] 1*2048kB [ 381.055281] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 381.059082] (M) [ 381.061546] ? graph_lock+0x170/0x170 [ 381.061575] ? find_held_lock+0x36/0x1c0 [ 381.066598] 3*4096kB [ 381.068614] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.072403] (M) [ 381.076493] ? lock_downgrade+0x900/0x900 [ 381.078894] = 15908kB [ 381.083724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.085751] Node 0 [ 381.089928] cache_grow_begin+0x91/0x8c0 [ 381.092313] DMA32: 3*4kB [ 381.097885] ? do_raw_spin_unlock+0xa7/0x2f0 [ 381.100109] (M) [ 381.104191] fallback_alloc+0x203/0x2e0 [ 381.106928] 1*8kB [ 381.111357] ____cache_alloc_node+0x1c7/0x1e0 [ 381.113313] (M) [ 381.117305] kmem_cache_alloc_node+0xe3/0x730 [ 381.119435] 3*16kB [ 381.124075] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.126046] (UM) [ 381.130585] __alloc_skb+0x119/0x770 [ 381.132800] 3*32kB [ 381.137052] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.139102] (UM) [ 381.142834] ? skb_scrub_packet+0x490/0x490 [ 381.145051] 2*64kB (UM) [ 381.150355] ? lock_downgrade+0x900/0x900 [ 381.152406] 5*128kB [ 381.156749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.159396] (UM) [ 381.163612] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.165929] 3*256kB [ 381.171490] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.173567] (M) [ 381.179041] ? addrconf_rs_timer+0x6f0/0x6f0 [ 381.181360] 4*512kB [ 381.186843] ndisc_alloc_skb+0x144/0x340 [ 381.188798] (M) [ 381.193230] ndisc_send_rs+0x331/0x6e0 [ 381.195556] 3*1024kB [ 381.199638] addrconf_rs_timer+0x3c0/0x6f0 [ 381.201590] (UM) [ 381.205498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.207886] 3*2048kB [ 381.212148] call_timer_fn+0x272/0x920 [ 381.214191] (M) [ 381.218443] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.220839] 3*4096kB [ 381.224745] ? process_timeout+0x40/0x40 [ 381.226707] (M) [ 381.230960] ? find_held_lock+0x36/0x1c0 [ 381.233365] = 25252kB [ 381.237460] ? __run_timers+0x7da/0xc70 [ 381.239580] Node 0 [ 381.243661] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.246061] Normal: [ 381.250069] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.252298] 1016*4kB [ 381.256817] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.259198] (UME) [ 381.263714] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 381.266115] 348*8kB [ 381.270370] ? trace_hardirqs_on+0xbd/0x310 [ 381.272512] (UME) [ 381.277153] ? kasan_check_read+0x11/0x20 [ 381.279480] 167*16kB [ 381.283925] ? __run_timers+0x7da/0xc70 [ 381.286064] (UME) [ 381.290231] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.292635] 68*32kB [ 381.296652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.298800] (UME) [ 381.304279] __run_timers+0x7e5/0xc70 [ 381.306736] 21*64kB [ 381.311007] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 381.313140] (M) [ 381.316970] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.319282] 6*128kB [ 381.324669] ? graph_lock+0x170/0x170 [ 381.326641] (UM) [ 381.331703] ? enqueue_hrtimer+0x1a5/0x560 [ 381.334024] 1*256kB [ 381.337846] ? lock_release+0x970/0x970 [ 381.339896] (U) [ 381.344161] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.346475] 0*512kB [ 381.350473] ? find_held_lock+0x36/0x1c0 [ 381.352429] 0*1024kB [ 381.357653] ? graph_lock+0x170/0x170 [ 381.360003] 0*2048kB [ 381.364082] ? pvclock_read_flags+0x160/0x160 [ 381.366476] 0*4096kB [ 381.370303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.372705] = 14064kB [ 381.377285] ? check_preemption_disabled+0x48/0x200 [ 381.379692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 381.385254] ? __lock_is_held+0xb5/0x140 [ 381.387836] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.392878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.401810] 503 total pagecache pages [ 381.405911] ? check_preemption_disabled+0x48/0x200 [ 381.414628] 0 pages in swap cache [ 381.420196] run_timer_softirq+0x52/0xb0 [ 381.424081] Swap cache stats: add 0, delete 0, find 0/0 [ 381.429227] ? rcu_read_lock_sched_held+0x108/0x120 [ 381.432669] Free swap = 0kB [ 381.436745] __do_softirq+0x30b/0xad8 [ 381.442091] Total swap = 0kB [ 381.442099] 1965979 pages RAM [ 381.447150] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 381.450152] 0 pages HighMem/MovableOnly [ 381.453977] ? pvclock_read_flags+0x160/0x160 [ 381.456969] 343324 pages reserved [ 381.456977] 0 pages cma reserved [ 381.460095] ? lapic_next_event+0x5a/0x90 [ 381.465262] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.469175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.473773] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.477127] ? check_preemption_disabled+0x48/0x200 [ 381.480484] syz-executor2 cpuset= [ 381.484645] ? check_preemption_disabled+0x48/0x200 [ 381.491125] syz2 [ 381.496687] ? kvm_clock_read+0x18/0x30 [ 381.507254] mems_allowed=0 [ 381.512298] ? kvm_sched_clock_read+0x9/0x20 [ 381.534084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.539661] ? check_preemption_disabled+0x48/0x200 [ 381.544726] irq_exit+0x17f/0x1c0 [ 381.548210] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.553079] ? smp_reschedule_interrupt+0x109/0x650 [ 381.558123] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.564030] ? interrupt_entry+0xb5/0xf0 [ 381.568116] ? trace_hardirqs_off_caller+0xbb/0x300 [ 381.573154] ? trace_hardirqs_off_caller+0xbb/0x300 [ 381.578200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.583072] ? trace_hardirqs_off+0x300/0x300 [ 381.587596] ? trace_hardirqs_off+0x300/0x300 [ 381.592117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.597679] ? check_preemption_disabled+0x48/0x200 [ 381.602717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.608293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.613193] apic_timer_interrupt+0xf/0x20 [ 381.617456] [ 381.619735] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 381.624689] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 381.644273] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 381.652024] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 381.659325] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 381.666634] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 381.673958] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 381.681265] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 381.688652] skb_clone+0x1bb/0x500 [ 381.692247] ? skb_split+0x11e0/0x11e0 [ 381.696184] ? preempt_notifier_register+0x200/0x200 [ 381.701327] ? __switch_to_asm+0x34/0x70 [ 381.705430] ? __switch_to_asm+0x34/0x70 [ 381.709558] ? __switch_to_asm+0x40/0x70 [ 381.713655] ? __switch_to_asm+0x34/0x70 [ 381.717837] ? __switch_to_asm+0x40/0x70 [ 381.722006] ? __switch_to_asm+0x40/0x70 [ 381.726080] ? __switch_to_asm+0x34/0x70 [ 381.730157] ? __switch_to_asm+0x34/0x70 [ 381.734233] ? __switch_to_asm+0x40/0x70 [ 381.738394] ? __switch_to_asm+0x34/0x70 [ 381.742482] bpf_clone_redirect+0xb9/0x490 [ 381.746839] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 381.751877] ? __sched_text_start+0x8/0x8 [ 381.756048] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 381.760835] ? find_held_lock+0x36/0x1c0 [ 381.764922] ? lock_acquire+0x1ed/0x520 [ 381.768917] ? bpf_test_run+0x32e/0x5a0 [ 381.772923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.778475] ? check_preemption_disabled+0x48/0x200 [ 381.783547] ? kasan_check_read+0x11/0x20 [ 381.787721] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.793159] ? rcu_bh_qs+0xc0/0xc0 [ 381.796981] ? preempt_schedule+0x4d/0x60 [ 381.801370] ? ___preempt_schedule+0x16/0x18 [ 381.805806] ? bpf_test_run+0x1c0/0x5a0 [ 381.809800] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 381.814665] ? netlink_diag_dump+0x2a0/0x2a0 [ 381.819238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.824789] ? bpf_test_init.isra.9+0x70/0x100 [ 381.829392] ? bpf_prog_test_run_skb+0x634/0xb40 [ 381.834172] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 381.839029] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 381.844594] ? fput+0x130/0x1a0 [ 381.847894] ? __bpf_prog_get+0x9b/0x290 [ 381.851976] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 381.856837] ? bpf_prog_test_run+0x130/0x1a0 [ 381.861266] ? __x64_sys_bpf+0x3d8/0x510 [ 381.865345] ? bpf_prog_get+0x20/0x20 [ 381.869186] ? do_syscall_64+0x1b9/0x820 [ 381.873263] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 381.878643] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.883591] ? trace_hardirqs_off+0x300/0x300 [ 381.888105] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 381.893134] ? recalc_sigpending_tsk+0x180/0x180 [ 381.897903] ? kasan_check_write+0x14/0x20 [ 381.902250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.907118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.912607] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 381.912695] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.919847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.919852] Call Trace: [ 381.919861] [ 381.919877] dump_stack+0x1c4/0x2b4 [ 381.919894] ? dump_stack_print_info.cold.2+0x52/0x52 [ 381.919920] warn_alloc.cold.118+0xb7/0x1bd [ 381.926510] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.935874] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.938450] syz-executor4 cpuset= [ 381.940609] ? lock_downgrade+0x900/0x900 [ 381.944377] syz4 [ 381.949661] ? trace_hardirqs_off+0xb8/0x300 [ 381.954038] mems_allowed=0 [ 381.964564] ? trace_hardirqs_off+0xb8/0x300 [ 381.991059] __alloc_pages_slowpath+0x2667/0x2d80 [ 381.995953] ? warn_alloc+0x120/0x120 [ 381.999952] ? trace_hardirqs_on+0x310/0x310 [ 382.004380] ? warn_alloc+0x120/0x120 [ 382.008221] ? print_usage_bug+0xc0/0xc0 [ 382.012297] ? warn_alloc+0x120/0x120 [ 382.016114] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 382.021147] ? print_usage_bug+0xc0/0xc0 [ 382.025227] ? __lock_acquire+0x7ec/0x4ec0 [ 382.029478] ? __lock_acquire+0x7ec/0x4ec0 [ 382.033736] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.039291] ? should_fail+0x22d/0xd01 [ 382.043200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.048320] ? __lock_acquire+0x7ec/0x4ec0 [ 382.052600] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.057716] ? __lock_acquire+0x7ec/0x4ec0 [ 382.062087] ? should_fail+0x22d/0xd01 [ 382.065988] ? print_usage_bug+0xc0/0xc0 [ 382.070082] ? mark_held_locks+0x130/0x130 [ 382.074344] ? mark_held_locks+0x130/0x130 [ 382.078677] ? graph_lock+0x170/0x170 [ 382.082494] ? print_usage_bug+0xc0/0xc0 [ 382.086600] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 382.091374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.096928] ? check_preemption_disabled+0x48/0x200 [ 382.101961] ? check_preemption_disabled+0x48/0x200 [ 382.107003] ? __lock_is_held+0xb5/0x140 [ 382.111098] __alloc_pages_nodemask+0xa80/0xde0 [ 382.115873] ? graph_lock+0x170/0x170 [ 382.119714] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 382.124741] ? graph_lock+0x170/0x170 [ 382.128594] ? find_held_lock+0x36/0x1c0 [ 382.132682] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.137517] ? lock_downgrade+0x900/0x900 [ 382.141726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.147288] cache_grow_begin+0x91/0x8c0 [ 382.151368] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.156128] fallback_alloc+0x203/0x2e0 [ 382.160216] ____cache_alloc_node+0x1c7/0x1e0 [ 382.164759] kmem_cache_alloc_node+0xe3/0x730 [ 382.169275] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.173561] __alloc_skb+0x119/0x770 [ 382.177293] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.182592] ? skb_scrub_packet+0x490/0x490 [ 382.187027] ? lock_downgrade+0x900/0x900 [ 382.191205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.196760] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.202228] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.207774] ? addrconf_rs_timer+0x6f0/0x6f0 [ 382.212219] ndisc_alloc_skb+0x144/0x340 [ 382.216302] ndisc_send_rs+0x331/0x6e0 [ 382.220312] addrconf_rs_timer+0x3c0/0x6f0 [ 382.224744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.229012] call_timer_fn+0x272/0x920 [ 382.232921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.237260] ? process_timeout+0x40/0x40 [ 382.241350] ? find_held_lock+0x36/0x1c0 [ 382.245436] ? mark_held_locks+0xc7/0x130 [ 382.249602] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.254115] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.258625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.262875] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 382.267474] ? trace_hardirqs_on+0xbd/0x310 [ 382.271842] ? kasan_check_read+0x11/0x20 [ 382.276005] ? __run_timers+0x7da/0xc70 [ 382.279995] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.285468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.289728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.293978] __run_timers+0x7e5/0xc70 [ 382.297814] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 382.303266] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.308302] ? graph_lock+0x170/0x170 [ 382.312122] ? print_usage_bug+0xc0/0xc0 [ 382.316198] ? lock_release+0x970/0x970 [ 382.320192] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 382.325406] ? find_held_lock+0x36/0x1c0 [ 382.329487] ? graph_lock+0x170/0x170 [ 382.333334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.338884] ? check_preemption_disabled+0x48/0x200 [ 382.343930] ? __lock_is_held+0xb5/0x140 [ 382.348007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.353579] ? check_preemption_disabled+0x48/0x200 [ 382.358622] run_timer_softirq+0x52/0xb0 [ 382.362698] ? rcu_read_lock_sched_held+0x108/0x120 [ 382.367731] __do_softirq+0x30b/0xad8 [ 382.371638] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 382.376775] ? pvclock_read_flags+0x160/0x160 [ 382.381484] ? lapic_next_event+0x5a/0x90 [ 382.385773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.391505] ? check_preemption_disabled+0x48/0x200 [ 382.396581] ? check_preemption_disabled+0x48/0x200 [ 382.401623] ? kvm_clock_read+0x18/0x30 [ 382.405616] ? kvm_sched_clock_read+0x9/0x20 [ 382.410049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.415670] ? check_preemption_disabled+0x48/0x200 [ 382.420717] irq_exit+0x17f/0x1c0 [ 382.424340] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.429199] ? smp_reschedule_interrupt+0x109/0x650 [ 382.434233] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.440132] ? interrupt_entry+0xb5/0xf0 [ 382.444211] ? trace_hardirqs_off_caller+0xbb/0x300 [ 382.449243] ? trace_hardirqs_off_caller+0xbb/0x300 [ 382.454424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.459285] ? trace_hardirqs_off+0x300/0x300 [ 382.463793] ? trace_hardirqs_off+0x300/0x300 [ 382.468303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.473853] ? check_preemption_disabled+0x48/0x200 [ 382.478885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.484562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.489614] apic_timer_interrupt+0xf/0x20 [ 382.493922] [ 382.496242] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 382.501561] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 382.520842] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 382.528597] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 382.535891] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 382.543192] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 382.550490] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 382.557903] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 382.565306] ? arch_local_irq_restore+0x45/0x52 [ 382.570157] dump_stack+0x26a/0x2b4 [ 382.573804] ? dump_stack_print_info.cold.2+0x52/0x52 [ 382.579016] ? mark_held_locks+0x130/0x130 [ 382.583272] ? mark_held_locks+0x130/0x130 [ 382.587555] dump_header+0x27b/0xf72 [ 382.591300] ? pagefault_out_of_memory+0x197/0x197 [ 382.596334] ? mark_held_locks+0x130/0x130 [ 382.600588] ? __lock_acquire+0x7ec/0x4ec0 [ 382.604846] ? print_usage_bug+0xc0/0xc0 [ 382.608932] ? graph_lock+0x170/0x170 [ 382.612808] ? graph_lock+0x170/0x170 [ 382.616633] ? print_usage_bug+0xc0/0xc0 [ 382.620707] ? print_usage_bug+0xc0/0xc0 [ 382.624945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.630505] ? find_held_lock+0x36/0x1c0 [ 382.634616] ? mark_held_locks+0xc7/0x130 [ 382.638985] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 382.644119] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 382.649242] ? lockdep_hardirqs_on+0x421/0x5c0 [ 382.653840] ? trace_hardirqs_on+0xbd/0x310 [ 382.658173] ? kasan_check_read+0x11/0x20 [ 382.662335] ? ___ratelimit+0x36f/0x655 [ 382.666346] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.671814] ? trace_hardirqs_on+0x310/0x310 [ 382.676383] ? lock_downgrade+0x900/0x900 [ 382.680590] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.685775] ? ___ratelimit+0xaa/0x655 [ 382.689682] ? idr_get_free+0xec0/0xec0 [ 382.693671] ? kasan_check_write+0x14/0x20 [ 382.697987] ? do_raw_spin_lock+0xc1/0x200 [ 382.702346] oom_kill_process.cold.27+0x10/0x903 [ 382.707120] ? graph_lock+0x170/0x170 [ 382.710940] ? _raw_spin_unlock+0x2c/0x50 [ 382.715103] ? oom_badness+0xe6/0xaa0 [ 382.718928] ? oom_evaluate_task+0x540/0x540 [ 382.723357] ? find_held_lock+0x36/0x1c0 [ 382.727441] ? out_of_memory+0x974/0x14c0 [ 382.731609] ? lock_downgrade+0x900/0x900 [ 382.735893] ? check_preemption_disabled+0x48/0x200 [ 382.740933] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 382.746824] ? kasan_check_read+0x11/0x20 [ 382.750993] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.756416] ? rcu_bh_qs+0xc0/0xc0 [ 382.759977] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.765011] ? oom_evaluate_task+0x302/0x540 [ 382.769443] out_of_memory+0xa86/0x14c0 [ 382.773704] ? oom_killer_disable+0x3a0/0x3a0 [ 382.778799] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 382.783812] ? __mutex_add_waiter+0x2a0/0x2a0 [ 382.788335] __alloc_pages_slowpath+0x2318/0x2d80 [ 382.793226] ? warn_alloc+0x120/0x120 [ 382.797059] ? lock_downgrade+0x900/0x900 [ 382.801318] ? print_usage_bug+0xc0/0xc0 [ 382.805419] ? warn_alloc+0x120/0x120 [ 382.809237] ? print_usage_bug+0xc0/0xc0 [ 382.813313] ? debug_check_no_obj_freed+0x305/0x58d [ 382.818347] ? print_usage_bug+0xc0/0xc0 [ 382.822570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.828142] ? should_fail+0x22d/0xd01 [ 382.832059] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.837180] ? __lock_acquire+0x7ec/0x4ec0 [ 382.841461] ? __lock_is_held+0xb5/0x140 [ 382.845901] ? graph_lock+0x170/0x170 [ 382.849865] ? ___might_sleep+0x1ed/0x300 [ 382.854095] ? lock_release+0x970/0x970 [ 382.858087] ? arch_local_save_flags+0x40/0x40 [ 382.862699] ? __might_sleep+0x95/0x190 [ 382.866695] __alloc_pages_nodemask+0xa80/0xde0 [ 382.871383] ? graph_lock+0x170/0x170 [ 382.875206] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 382.880250] ? graph_lock+0x170/0x170 [ 382.884257] ? mark_held_locks+0xc7/0x130 [ 382.888420] ? find_held_lock+0x36/0x1c0 [ 382.892506] ? cache_grow_begin+0x5a4/0x8c0 [ 382.896873] ? lockdep_hardirqs_on+0x421/0x5c0 [ 382.901472] ? trace_hardirqs_on+0xbd/0x310 [ 382.905813] ? fallback_alloc+0x203/0x2e0 [ 382.909977] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.915448] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.921006] cache_grow_begin+0x91/0x8c0 [ 382.925086] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.929547] fallback_alloc+0x203/0x2e0 [ 382.933571] ____cache_alloc_node+0x1c7/0x1e0 [ 382.938088] kmem_cache_alloc_node_trace+0xe7/0x740 [ 382.943191] __kmalloc_node_track_caller+0x33/0x70 [ 382.948140] __kmalloc_reserve.isra.39+0x41/0xe0 [ 382.952917] __alloc_skb+0x155/0x770 [ 382.956651] ? skb_scrub_packet+0x490/0x490 [ 382.961095] ? if_nlmsg_size+0x5d1/0xbb0 [ 382.965176] ? nla_put_ifalias+0x170/0x170 [ 382.969440] ? softnet_seq_show+0x470/0x470 [ 382.973777] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 382.978812] ? netif_tx_stop_all_queues+0xd9/0x110 [ 382.983824] rtmsg_ifinfo_build_skb+0x74/0x190 [ 382.988431] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 382.993292] rtmsg_ifinfo+0x8c/0xa0 [ 382.996938] dev_close_many+0x3be/0x860 [ 383.000937] ? unlist_netdevice+0x670/0x670 [ 383.005278] ? find_held_lock+0x36/0x1c0 [ 383.009363] ? __queue_work+0x6be/0x1440 [ 383.013441] ? lock_downgrade+0x900/0x900 [ 383.017614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.023166] ? rtnl_is_locked+0xb5/0xf0 [ 383.027160] ? rtnl_trylock+0x20/0x20 [ 383.030978] ? do_raw_spin_unlock+0xa7/0x2f0 [ 383.035405] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 383.040013] rollback_registered_many+0x56e/0x1240 [ 383.044968] ? generic_xdp_install+0x4c0/0x4c0 [ 383.049591] ? max_active_store+0x170/0x170 [ 383.053930] ? graph_lock+0x170/0x170 [ 383.057754] ? print_usage_bug+0xc0/0xc0 [ 383.061957] ? print_usage_bug+0xc0/0xc0 [ 383.066036] ? kfree_skbmem+0x154/0x230 [ 383.070032] ? graph_lock+0x170/0x170 [ 383.073857] ? print_usage_bug+0xc0/0xc0 [ 383.077940] ? find_held_lock+0x36/0x1c0 [ 383.082098] ? mark_held_locks+0xc7/0x130 [ 383.086272] rollback_registered+0x1e9/0x420 [ 383.090694] ? lockdep_hardirqs_on+0x351/0x5c0 [ 383.095296] ? rollback_registered_many+0x1240/0x1240 [ 383.100501] ? trace_hardirqs_on+0xbd/0x310 [ 383.104867] ? linkwatch_schedule_work+0x150/0x170 [ 383.109815] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.115369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.120922] ? rtnl_is_locked+0xb5/0xf0 [ 383.124915] ? rtnl_trylock+0x20/0x20 [ 383.128734] ? queue_delayed_work_on+0x130/0x1f0 [ 383.133513] unregister_netdevice_queue+0x321/0x5e0 [ 383.138607] ? rollback_registered+0x420/0x420 [ 383.143207] ? linkwatch_schedule_work+0x170/0x170 [ 383.148153] ? tun_show_owner+0x170/0x170 [ 383.152319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.157967] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 383.163347] ? __tun_detach+0x6ba/0x15c0 [ 383.167435] __tun_detach+0x11b8/0x15c0 [ 383.171427] ? __call_rcu.constprop.69+0x429/0xbc0 [ 383.176467] ? tun_attach+0x1770/0x1770 [ 383.180461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.186082] ? check_preemption_disabled+0x48/0x200 [ 383.191127] ? graph_lock+0x170/0x170 [ 383.194949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.200601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.206162] ? locks_remove_file+0x3c6/0x5c0 [ 383.210592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.216149] ? ima_file_free+0x132/0x650 [ 383.220233] ? __lock_is_held+0xb5/0x140 [ 383.224318] ? __tun_detach+0x15c0/0x15c0 [ 383.228606] ? __tun_detach+0x15c0/0x15c0 [ 383.232769] tun_chr_close+0xe3/0x180 [ 383.236591] __fput+0x385/0xa30 [ 383.239892] ? get_max_files+0x20/0x20 [ 383.243874] ? ___might_sleep+0x1ed/0x300 [ 383.248047] ? arch_local_save_flags+0x40/0x40 [ 383.252654] ____fput+0x15/0x20 [ 383.255952] task_work_run+0x1e8/0x2a0 [ 383.259978] ? task_work_cancel+0x240/0x240 [ 383.264324] ? switch_task_namespaces+0xb8/0xd0 [ 383.269019] do_exit+0x1ad7/0x2610 [ 383.272606] ? mm_update_next_owner+0x990/0x990 [ 383.277290] ? print_usage_bug+0xc0/0xc0 [ 383.281377] ? __lock_acquire+0x7ec/0x4ec0 [ 383.285879] ? find_held_lock+0x36/0x1c0 [ 383.289971] ? __lock_acquire+0x7ec/0x4ec0 [ 383.294222] ? mark_held_locks+0x130/0x130 [ 383.298477] ? lock_acquire+0x1ed/0x520 [ 383.302474] ? mark_held_locks+0x130/0x130 [ 383.306896] ? arch_local_save_flags+0x40/0x40 [ 383.311496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.317105] ? __mutex_lock+0x872/0x1710 [ 383.321191] ? __switch_to_asm+0x40/0x70 [ 383.325270] ? __switch_to_asm+0x34/0x70 [ 383.329349] ? pipe_wait+0x266/0x2c0 [ 383.333094] ? mutex_trylock+0x2b0/0x2b0 [ 383.337186] ? graph_lock+0x170/0x170 [ 383.341050] ? find_held_lock+0x36/0x1c0 [ 383.345132] ? memset+0x31/0x40 [ 383.348435] ? find_held_lock+0x36/0x1c0 [ 383.352545] ? get_signal+0x95b/0x1980 [ 383.356454] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.360968] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.365490] do_group_exit+0x177/0x440 [ 383.369422] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.374887] ? __ia32_sys_exit+0x50/0x50 [ 383.378979] get_signal+0x8b0/0x1980 [ 383.382724] ? ptrace_notify+0x130/0x130 [ 383.386809] ? finish_wait+0x430/0x430 [ 383.390716] ? graph_lock+0x170/0x170 [ 383.394800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.400353] ? pipe_read+0x702/0x940 [ 383.404082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.409651] do_signal+0x9c/0x21e0 [ 383.413211] ? __vfs_read+0x11f/0x9b0 [ 383.417034] ? vfs_copy_file_range+0xb90/0xb90 [ 383.421641] ? setup_sigcontext+0x7d0/0x7d0 [ 383.425999] ? exit_to_usermode_loop+0x8c/0x380 [ 383.430705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.436263] exit_to_usermode_loop+0x2e5/0x380 [ 383.440945] ? syscall_slow_exit_work+0x520/0x520 [ 383.445802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.451370] do_syscall_64+0x6be/0x820 [ 383.455279] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 383.460662] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.465673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.470562] ? trace_hardirqs_off+0x300/0x300 [ 383.475082] ? prepare_exit_to_usermode+0x291/0x3b0 [ 383.480120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.485053] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.490256] RIP: 0033:0x410e10 [ 383.493464] Code: Bad RIP value. [ 383.496843] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 383.504588] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 383.511870] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 383.519156] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 383.526440] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 383.533894] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 383.541207] warn_alloc_show_mem: 1 callbacks suppressed [ 383.541219] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 383.541221] Mem-Info: [ 383.541251] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 383.541251] active_file:19 inactive_file:16 isolated_file:0 [ 383.541251] unevictable:0 dirty:0 writeback:0 unstable:0 [ 383.541251] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 383.541251] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 383.541251] free:13785 free_pcp:397 free_cma:0 [ 383.546697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.553987] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 383.556402] Call Trace: [ 383.589287] Node 0 [ 383.598656] [ 383.626284] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 383.628875] dump_stack+0x1c4/0x2b4 [ 383.631095] lowmem_reserve[]: 0 [ 383.633270] ? dump_stack_print_info.cold.2+0x52/0x52 [ 383.658864] 2815 [ 383.662567] warn_alloc.cold.118+0xb7/0x1bd [ 383.665773] 6318 [ 383.670973] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.673070] 6318 [ 383.677413] ? lock_downgrade+0x900/0x900 [ 383.679468] Node 0 [ 383.684325] ? trace_hardirqs_off+0xb8/0x300 [ 383.686396] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 383.690563] ? trace_hardirqs_off+0xb8/0x300 [ 383.692781] lowmem_reserve[]: [ 383.697203] __alloc_pages_slowpath+0x2667/0x2d80 [ 383.724074] 0 0 [ 383.728565] ? warn_alloc+0x120/0x120 [ 383.731596] 3503 3503 [ 383.736458] ? trace_hardirqs_on+0x310/0x310 [ 383.738422] Node 0 [ 383.742238] ? warn_alloc+0x120/0x120 [ 383.744750] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 383.749141] ? print_usage_bug+0xc0/0xc0 [ 383.751429] lowmem_reserve[]: 0 [ 383.755315] ? warn_alloc+0x120/0x120 [ 383.784441] 0 0 [ 383.788567] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 383.791939] 0 [ 383.795756] ? print_usage_bug+0xc0/0xc0 [ 383.797720] Node 0 [ 383.802750] ? __lock_acquire+0x7ec/0x4ec0 [ 383.804566] DMA: [ 383.808638] ? __lock_acquire+0x7ec/0x4ec0 [ 383.810854] 1*4kB [ 383.815097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.817146] (U) [ 383.821454] ? should_fail+0x22d/0xd01 [ 383.823593] 0*8kB 0*16kB [ 383.829148] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.831113] 1*32kB [ 383.835006] ? __lock_acquire+0x7ec/0x4ec0 [ 383.837752] (U) [ 383.842875] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.845098] 2*64kB [ 383.849343] ? __lock_acquire+0x7ec/0x4ec0 [ 383.851307] (U) [ 383.856416] ? should_fail+0x22d/0xd01 [ 383.856432] ? print_usage_bug+0xc0/0xc0 [ 383.858667] 1*128kB [ 383.862915] ? mark_held_locks+0x130/0x130 [ 383.864882] (U) [ 383.868841] ? mark_held_locks+0x130/0x130 [ 383.872893] 1*256kB [ 383.875254] ? graph_lock+0x170/0x170 [ 383.879476] (U) [ 383.881460] ? print_usage_bug+0xc0/0xc0 [ 383.885684] 0*512kB [ 383.888018] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 383.891801] 1*1024kB (U) [ 383.893798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.897845] 1*2048kB [ 383.900180] ? check_preemption_disabled+0x48/0x200 [ 383.904922] (M) [ 383.907691] ? check_preemption_disabled+0x48/0x200 [ 383.913286] 3*4096kB [ 383.915724] ? __lock_is_held+0xb5/0x140 [ 383.920838] (M) [ 383.922827] __alloc_pages_nodemask+0xa80/0xde0 [ 383.927827] = 15908kB [ 383.927835] Node 0 [ 383.930254] ? graph_lock+0x170/0x170 [ 383.934307] DMA32: [ 383.936296] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 383.940956] 3*4kB [ 383.943376] ? graph_lock+0x170/0x170 [ 383.945606] (M) [ 383.949438] ? find_held_lock+0x36/0x1c0 [ 383.951657] 1*8kB [ 383.956697] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.958833] (M) [ 383.962650] ? lock_downgrade+0x900/0x900 [ 383.964618] 3*16kB [ 383.968695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.970826] (UM) [ 383.975509] cache_grow_begin+0x91/0x8c0 [ 383.977473] 3*32kB [ 383.981704] ? do_raw_spin_unlock+0xa7/0x2f0 [ 383.983929] (UM) [ 383.989485] fallback_alloc+0x203/0x2e0 [ 383.991550] 2*64kB (UM) [ 383.995683] ____cache_alloc_node+0x1c7/0x1e0 [ 383.997909] 5*128kB [ 384.002330] kmem_cache_alloc_node+0xe3/0x730 [ 384.004381] (UM) [ 384.008507] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.011164] 3*256kB (M) [ 384.015689] __alloc_skb+0x119/0x770 [ 384.017998] 4*512kB [ 384.022504] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.024599] (M) [ 384.028848] ? skb_scrub_packet+0x490/0x490 [ 384.031509] 3*1024kB [ 384.035422] ? lock_downgrade+0x900/0x900 [ 384.037884] (UM) [ 384.043174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.045137] 3*2048kB [ 384.049471] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.051871] (M) [ 384.056030] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.058090] 3*4096kB [ 384.063778] ? addrconf_rs_timer+0x6f0/0x6f0 [ 384.066176] (M) [ 384.071646] ndisc_alloc_skb+0x144/0x340 [ 384.073598] = 25252kB [ 384.073606] Node 0 [ 384.079069] ndisc_send_rs+0x331/0x6e0 [ 384.081468] Normal: [ 384.085889] addrconf_rs_timer+0x3c0/0x6f0 [ 384.087856] 1016*4kB [ 384.091935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.094337] (UME) [ 384.096715] call_timer_fn+0x272/0x920 [ 384.100650] 348*8kB [ 384.103083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.107306] (UME) [ 384.109731] ? process_timeout+0x40/0x40 [ 384.113954] 167*16kB [ 384.116113] ? find_held_lock+0x36/0x1c0 [ 384.119987] (UME) [ 384.122322] ? __run_timers+0x7da/0xc70 [ 384.126566] 68*32kB [ 384.128731] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.132782] (UME) [ 384.135206] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.139257] 21*64kB [ 384.141418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.145380] (M) [ 384.147714] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 384.152202] 6*128kB [ 384.154363] ? trace_hardirqs_on+0xbd/0x310 [ 384.158857] (UM) [ 384.161205] ? kasan_check_read+0x11/0x20 [ 384.165423] 1*256kB (U) [ 384.167430] ? __run_timers+0x7da/0xc70 [ 384.172187] 0*512kB [ 384.174579] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.178876] 0*1024kB 0*2048kB [ 384.180975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.185274] 0*4096kB [ 384.187955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.191926] = 14064kB [ 384.194263] __run_timers+0x7e5/0xc70 [ 384.199865] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 384.203083] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 384.207297] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 384.209712] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.213946] 503 total pagecache pages [ 384.216364] ? graph_lock+0x170/0x170 [ 384.220162] 0 pages in swap cache [ 384.229020] ? enqueue_hrtimer+0x1a5/0x560 [ 384.234379] Swap cache stats: add 0, delete 0, find 0/0 [ 384.243146] ? lock_release+0x970/0x970 [ 384.248151] Free swap = 0kB [ 384.251962] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 384.255821] Total swap = 0kB [ 384.259287] ? find_held_lock+0x36/0x1c0 [ 384.263875] 1965979 pages RAM [ 384.269438] ? graph_lock+0x170/0x170 [ 384.273401] 0 pages HighMem/MovableOnly [ 384.276431] ? pvclock_read_flags+0x160/0x160 [ 384.281610] 343324 pages reserved [ 384.284647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.288765] 0 pages cma reserved [ 384.291881] ? check_preemption_disabled+0x48/0x200 [ 384.295826] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.299707] ? __lock_is_held+0xb5/0x140 [ 384.304301] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.307652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.313192] syz-executor2 cpuset= [ 384.316596] ? check_preemption_disabled+0x48/0x200 [ 384.321597] syz2 [ 384.328105] run_timer_softirq+0x52/0xb0 [ 384.332155] mems_allowed=0 [ 384.342766] ? rcu_read_lock_sched_held+0x108/0x120 [ 384.370974] __do_softirq+0x30b/0xad8 [ 384.374905] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 384.380032] ? pvclock_read_flags+0x160/0x160 [ 384.384678] ? lapic_next_event+0x5a/0x90 [ 384.388844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.394398] ? check_preemption_disabled+0x48/0x200 [ 384.399426] ? check_preemption_disabled+0x48/0x200 [ 384.404713] ? kvm_clock_read+0x18/0x30 [ 384.408793] ? kvm_sched_clock_read+0x9/0x20 [ 384.413221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.418772] ? check_preemption_disabled+0x48/0x200 [ 384.423817] irq_exit+0x17f/0x1c0 [ 384.427288] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.432147] ? smp_reschedule_interrupt+0x109/0x650 [ 384.437185] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.443101] ? interrupt_entry+0xb5/0xf0 [ 384.447184] ? trace_hardirqs_off_caller+0xbb/0x300 [ 384.452221] ? trace_hardirqs_off_caller+0xbb/0x300 [ 384.457253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.462111] ? trace_hardirqs_off+0x300/0x300 [ 384.466621] ? trace_hardirqs_off+0x300/0x300 [ 384.471135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.476687] ? check_preemption_disabled+0x48/0x200 [ 384.481724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.487287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.492155] apic_timer_interrupt+0xf/0x20 [ 384.496399] [ 384.498710] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 384.503658] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 384.522833] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 384.530606] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 384.537916] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 384.545213] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 384.552505] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 384.559966] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 384.567453] skb_clone+0x1bb/0x500 [ 384.571165] ? skb_split+0x11e0/0x11e0 [ 384.575311] ? preempt_notifier_register+0x200/0x200 [ 384.580516] ? __switch_to_asm+0x34/0x70 [ 384.584623] ? __switch_to_asm+0x34/0x70 [ 384.588695] ? __switch_to_asm+0x40/0x70 [ 384.592837] ? __switch_to_asm+0x34/0x70 [ 384.596913] ? __switch_to_asm+0x40/0x70 [ 384.600987] ? __switch_to_asm+0x40/0x70 [ 384.605061] ? __switch_to_asm+0x34/0x70 [ 384.609161] ? __switch_to_asm+0x34/0x70 [ 384.613233] ? __switch_to_asm+0x40/0x70 [ 384.617310] ? __switch_to_asm+0x34/0x70 [ 384.621394] bpf_clone_redirect+0xb9/0x490 [ 384.625656] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 384.630756] ? __sched_text_start+0x8/0x8 [ 384.634926] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 384.639711] ? find_held_lock+0x36/0x1c0 [ 384.643798] ? lock_acquire+0x1ed/0x520 [ 384.647787] ? bpf_test_run+0x32e/0x5a0 [ 384.651780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.657331] ? check_preemption_disabled+0x48/0x200 [ 384.662374] ? kasan_check_read+0x11/0x20 [ 384.666582] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.671970] ? rcu_bh_qs+0xc0/0xc0 [ 384.675634] ? preempt_schedule+0x4d/0x60 [ 384.679802] ? ___preempt_schedule+0x16/0x18 [ 384.684241] ? bpf_test_run+0x1c0/0x5a0 [ 384.688361] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 384.693316] ? netlink_diag_dump+0x2a0/0x2a0 [ 384.697859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.703415] ? bpf_test_init.isra.9+0x70/0x100 [ 384.708025] ? bpf_prog_test_run_skb+0x634/0xb40 [ 384.712810] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 384.717670] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 384.723226] ? fput+0x130/0x1a0 [ 384.726571] ? __bpf_prog_get+0x9b/0x290 [ 384.730670] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 384.735660] ? bpf_prog_test_run+0x130/0x1a0 [ 384.740098] ? __x64_sys_bpf+0x3d8/0x510 [ 384.744183] ? bpf_prog_get+0x20/0x20 [ 384.748031] ? do_syscall_64+0x1b9/0x820 [ 384.752112] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 384.757498] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.762479] ? trace_hardirqs_off+0x300/0x300 [ 384.766997] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 384.772033] ? recalc_sigpending_tsk+0x180/0x180 [ 384.777166] ? kasan_check_write+0x14/0x20 [ 384.781429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.786304] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.791710] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 384.791801] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.798920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.798925] Call Trace: [ 384.798933] [ 384.798953] dump_stack+0x1c4/0x2b4 [ 384.798967] ? dump_stack_print_info.cold.2+0x52/0x52 [ 384.798992] warn_alloc.cold.118+0xb7/0x1bd [ 384.799009] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.806135] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.815547] ? lock_downgrade+0x900/0x900 [ 384.818129] syz-executor4 cpuset= [ 384.820298] ? trace_hardirqs_off+0xb8/0x300 [ 384.823912] syz4 [ 384.829132] ? trace_hardirqs_off+0xb8/0x300 [ 384.833446] mems_allowed=0 [ 384.838305] __alloc_pages_slowpath+0x2667/0x2d80 [ 384.874982] ? warn_alloc+0x120/0x120 [ 384.878805] ? trace_hardirqs_on+0x310/0x310 [ 384.883231] ? warn_alloc+0x120/0x120 [ 384.887056] ? print_usage_bug+0xc0/0xc0 [ 384.891164] ? warn_alloc+0x120/0x120 [ 384.895145] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 384.900181] ? print_usage_bug+0xc0/0xc0 [ 384.904261] ? __lock_acquire+0x7ec/0x4ec0 [ 384.908514] ? __lock_acquire+0x7ec/0x4ec0 [ 384.912795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.918347] ? should_fail+0x22d/0xd01 [ 384.922255] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.927377] ? __lock_acquire+0x7ec/0x4ec0 [ 384.931641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.936761] ? __lock_acquire+0x7ec/0x4ec0 [ 384.941014] ? should_fail+0x22d/0xd01 [ 384.944922] ? print_usage_bug+0xc0/0xc0 [ 384.949014] ? mark_held_locks+0x130/0x130 [ 384.953281] ? mark_held_locks+0x130/0x130 [ 384.957563] ? graph_lock+0x170/0x170 [ 384.961384] ? print_usage_bug+0xc0/0xc0 [ 384.965465] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 384.970248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.975817] ? check_preemption_disabled+0x48/0x200 [ 384.980864] ? check_preemption_disabled+0x48/0x200 [ 384.985925] ? __lock_is_held+0xb5/0x140 [ 384.990021] __alloc_pages_nodemask+0xa80/0xde0 [ 384.994758] ? graph_lock+0x170/0x170 [ 384.998604] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 385.003650] ? graph_lock+0x170/0x170 [ 385.007491] ? find_held_lock+0x36/0x1c0 [ 385.011616] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.016321] ? lock_downgrade+0x900/0x900 [ 385.020500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.026102] cache_grow_begin+0x91/0x8c0 [ 385.030189] ? do_raw_spin_unlock+0xa7/0x2f0 [ 385.034629] fallback_alloc+0x203/0x2e0 [ 385.038633] ____cache_alloc_node+0x1c7/0x1e0 [ 385.043154] kmem_cache_alloc_node+0xe3/0x730 [ 385.047673] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.051940] __alloc_skb+0x119/0x770 [ 385.055684] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 385.061000] ? skb_scrub_packet+0x490/0x490 [ 385.065349] ? lock_downgrade+0x900/0x900 [ 385.069556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.075122] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.080607] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.086241] ? addrconf_rs_timer+0x6f0/0x6f0 [ 385.090699] ndisc_alloc_skb+0x144/0x340 [ 385.094802] ndisc_send_rs+0x331/0x6e0 [ 385.098731] addrconf_rs_timer+0x3c0/0x6f0 [ 385.102996] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.107266] call_timer_fn+0x272/0x920 [ 385.111175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.115434] ? process_timeout+0x40/0x40 [ 385.119515] ? find_held_lock+0x36/0x1c0 [ 385.123722] ? mark_held_locks+0xc7/0x130 [ 385.127988] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.132555] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.137079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.141336] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 385.146178] ? trace_hardirqs_on+0xbd/0x310 [ 385.150633] ? kasan_check_read+0x11/0x20 [ 385.154807] ? __run_timers+0x7da/0xc70 [ 385.158810] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.164305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.168766] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.173042] __run_timers+0x7e5/0xc70 [ 385.176897] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 385.182296] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.187346] ? graph_lock+0x170/0x170 [ 385.191181] ? print_usage_bug+0xc0/0xc0 [ 385.195264] ? lock_release+0x970/0x970 [ 385.199264] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.204484] ? find_held_lock+0x36/0x1c0 [ 385.208670] ? graph_lock+0x170/0x170 [ 385.212500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.218180] ? check_preemption_disabled+0x48/0x200 [ 385.223325] ? __lock_is_held+0xb5/0x140 [ 385.227457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.233024] ? check_preemption_disabled+0x48/0x200 [ 385.238096] run_timer_softirq+0x52/0xb0 [ 385.242194] ? rcu_read_lock_sched_held+0x108/0x120 [ 385.247246] __do_softirq+0x30b/0xad8 [ 385.251100] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 385.256236] ? pvclock_read_flags+0x160/0x160 [ 385.260767] ? lapic_next_event+0x5a/0x90 [ 385.265037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.270715] ? check_preemption_disabled+0x48/0x200 [ 385.275770] ? check_preemption_disabled+0x48/0x200 [ 385.280836] ? kvm_clock_read+0x18/0x30 [ 385.284851] ? kvm_sched_clock_read+0x9/0x20 [ 385.289291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.294860] ? check_preemption_disabled+0x48/0x200 [ 385.300004] irq_exit+0x17f/0x1c0 [ 385.303494] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.308392] ? smp_reschedule_interrupt+0x109/0x650 [ 385.313436] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.319351] ? interrupt_entry+0xb5/0xf0 [ 385.323442] ? trace_hardirqs_off_caller+0xbb/0x300 [ 385.328597] ? trace_hardirqs_off_caller+0xbb/0x300 [ 385.333649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.338554] ? trace_hardirqs_off+0x300/0x300 [ 385.343091] ? trace_hardirqs_off+0x300/0x300 [ 385.347624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.353200] ? check_preemption_disabled+0x48/0x200 [ 385.358371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.363957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.368850] apic_timer_interrupt+0xf/0x20 [ 385.373111] [ 385.375381] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 385.380688] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 385.399710] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 385.407462] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 385.414891] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 385.422327] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 385.429631] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 385.436936] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 385.444267] ? arch_local_irq_restore+0x45/0x52 [ 385.448992] dump_stack+0x26a/0x2b4 [ 385.452665] ? dump_stack_print_info.cold.2+0x52/0x52 [ 385.457898] ? mark_held_locks+0x130/0x130 [ 385.462166] ? mark_held_locks+0x130/0x130 [ 385.466440] dump_header+0x27b/0xf72 [ 385.470202] ? pagefault_out_of_memory+0x197/0x197 [ 385.475252] ? mark_held_locks+0x130/0x130 [ 385.479517] ? __lock_acquire+0x7ec/0x4ec0 [ 385.483812] ? print_usage_bug+0xc0/0xc0 [ 385.487905] ? graph_lock+0x170/0x170 [ 385.491724] ? graph_lock+0x170/0x170 [ 385.495574] ? print_usage_bug+0xc0/0xc0 [ 385.499663] ? print_usage_bug+0xc0/0xc0 [ 385.503757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.509334] ? find_held_lock+0x36/0x1c0 [ 385.513437] ? mark_held_locks+0xc7/0x130 [ 385.517841] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.522975] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.528115] ? lockdep_hardirqs_on+0x421/0x5c0 [ 385.532727] ? trace_hardirqs_on+0xbd/0x310 [ 385.537080] ? kasan_check_read+0x11/0x20 [ 385.541258] ? ___ratelimit+0x36f/0x655 [ 385.545260] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.550748] ? trace_hardirqs_on+0x310/0x310 [ 385.555187] ? lock_downgrade+0x900/0x900 [ 385.559487] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.564658] ? ___ratelimit+0xaa/0x655 [ 385.568604] ? idr_get_free+0xec0/0xec0 [ 385.572602] ? kasan_check_write+0x14/0x20 [ 385.576945] ? do_raw_spin_lock+0xc1/0x200 [ 385.581210] oom_kill_process.cold.27+0x10/0x903 [ 385.585990] ? graph_lock+0x170/0x170 [ 385.589814] ? _raw_spin_unlock+0x2c/0x50 [ 385.593980] ? oom_badness+0xe6/0xaa0 [ 385.597808] ? oom_evaluate_task+0x540/0x540 [ 385.602243] ? find_held_lock+0x36/0x1c0 [ 385.606331] ? out_of_memory+0x974/0x14c0 [ 385.610758] ? lock_downgrade+0x900/0x900 [ 385.614931] ? check_preemption_disabled+0x48/0x200 [ 385.619972] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 385.625786] ? kasan_check_read+0x11/0x20 [ 385.630184] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 385.635482] ? rcu_bh_qs+0xc0/0xc0 [ 385.639051] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.644440] ? oom_evaluate_task+0x302/0x540 [ 385.648877] out_of_memory+0xa86/0x14c0 [ 385.652883] ? oom_killer_disable+0x3a0/0x3a0 [ 385.657562] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 385.662784] ? __mutex_add_waiter+0x2a0/0x2a0 [ 385.667316] __alloc_pages_slowpath+0x2318/0x2d80 [ 385.672212] ? warn_alloc+0x120/0x120 [ 385.676035] ? lock_downgrade+0x900/0x900 [ 385.680213] ? print_usage_bug+0xc0/0xc0 [ 385.684294] ? warn_alloc+0x120/0x120 [ 385.688120] ? print_usage_bug+0xc0/0xc0 [ 385.692202] ? debug_check_no_obj_freed+0x305/0x58d [ 385.697237] ? print_usage_bug+0xc0/0xc0 [ 385.701321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.706948] ? should_fail+0x22d/0xd01 [ 385.710864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.715985] ? __lock_acquire+0x7ec/0x4ec0 [ 385.720445] ? __lock_is_held+0xb5/0x140 [ 385.724557] ? graph_lock+0x170/0x170 [ 385.728384] ? ___might_sleep+0x1ed/0x300 [ 385.732573] ? lock_release+0x970/0x970 [ 385.736596] ? arch_local_save_flags+0x40/0x40 [ 385.741219] ? __might_sleep+0x95/0x190 [ 385.745222] __alloc_pages_nodemask+0xa80/0xde0 [ 385.749919] ? graph_lock+0x170/0x170 [ 385.753750] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 385.758789] ? graph_lock+0x170/0x170 [ 385.762626] ? mark_held_locks+0xc7/0x130 [ 385.766794] ? find_held_lock+0x36/0x1c0 [ 385.770884] ? cache_grow_begin+0x5a4/0x8c0 [ 385.775229] ? lockdep_hardirqs_on+0x421/0x5c0 [ 385.779836] ? trace_hardirqs_on+0xbd/0x310 [ 385.784181] ? fallback_alloc+0x203/0x2e0 [ 385.788352] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.793829] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 385.799399] cache_grow_begin+0x91/0x8c0 [ 385.803490] ? do_raw_spin_unlock+0xa7/0x2f0 [ 385.807957] fallback_alloc+0x203/0x2e0 [ 385.811957] ____cache_alloc_node+0x1c7/0x1e0 [ 385.816476] kmem_cache_alloc_node_trace+0xe7/0x740 [ 385.821626] __kmalloc_node_track_caller+0x33/0x70 [ 385.826601] __kmalloc_reserve.isra.39+0x41/0xe0 [ 385.831380] __alloc_skb+0x155/0x770 [ 385.835118] ? skb_scrub_packet+0x490/0x490 [ 385.839462] ? if_nlmsg_size+0x5d1/0xbb0 [ 385.843574] ? nla_put_ifalias+0x170/0x170 [ 385.847844] ? softnet_seq_show+0x470/0x470 [ 385.852186] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 385.857235] ? netif_tx_stop_all_queues+0xd9/0x110 [ 385.862289] rtmsg_ifinfo_build_skb+0x74/0x190 [ 385.866900] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 385.871768] rtmsg_ifinfo+0x8c/0xa0 [ 385.875421] dev_close_many+0x3be/0x860 [ 385.879426] ? unlist_netdevice+0x670/0x670 [ 385.883770] ? find_held_lock+0x36/0x1c0 [ 385.887858] ? __queue_work+0x6be/0x1440 [ 385.891937] ? lock_downgrade+0x900/0x900 [ 385.896130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.901690] ? rtnl_is_locked+0xb5/0xf0 [ 385.905686] ? rtnl_trylock+0x20/0x20 [ 385.909507] ? do_raw_spin_unlock+0xa7/0x2f0 [ 385.913968] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 385.918602] rollback_registered_many+0x56e/0x1240 [ 385.923584] ? generic_xdp_install+0x4c0/0x4c0 [ 385.928193] ? max_active_store+0x170/0x170 [ 385.932627] ? graph_lock+0x170/0x170 [ 385.936449] ? print_usage_bug+0xc0/0xc0 [ 385.940553] ? print_usage_bug+0xc0/0xc0 [ 385.944636] ? kfree_skbmem+0x154/0x230 [ 385.948631] ? graph_lock+0x170/0x170 [ 385.952449] ? print_usage_bug+0xc0/0xc0 [ 385.956699] ? find_held_lock+0x36/0x1c0 [ 385.960790] ? mark_held_locks+0xc7/0x130 [ 385.964966] rollback_registered+0x1e9/0x420 [ 385.969394] ? lockdep_hardirqs_on+0x351/0x5c0 [ 385.974520] ? rollback_registered_many+0x1240/0x1240 [ 385.979754] ? trace_hardirqs_on+0xbd/0x310 [ 385.984095] ? linkwatch_schedule_work+0x150/0x170 [ 385.989053] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.994557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.000116] ? rtnl_is_locked+0xb5/0xf0 [ 386.004108] ? rtnl_trylock+0x20/0x20 [ 386.007935] ? queue_delayed_work_on+0x130/0x1f0 [ 386.012720] unregister_netdevice_queue+0x321/0x5e0 [ 386.017764] ? rollback_registered+0x420/0x420 [ 386.022370] ? linkwatch_schedule_work+0x170/0x170 [ 386.027323] ? tun_show_owner+0x170/0x170 [ 386.031492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.037083] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 386.042471] ? __tun_detach+0x6ba/0x15c0 [ 386.046581] __tun_detach+0x11b8/0x15c0 [ 386.050597] ? __call_rcu.constprop.69+0x429/0xbc0 [ 386.055578] ? tun_attach+0x1770/0x1770 [ 386.059597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.065197] ? check_preemption_disabled+0x48/0x200 [ 386.070248] ? graph_lock+0x170/0x170 [ 386.074074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.079630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.085185] ? locks_remove_file+0x3c6/0x5c0 [ 386.089611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.095254] ? ima_file_free+0x132/0x650 [ 386.099339] ? __lock_is_held+0xb5/0x140 [ 386.103428] ? __tun_detach+0x15c0/0x15c0 [ 386.107602] ? __tun_detach+0x15c0/0x15c0 [ 386.111796] tun_chr_close+0xe3/0x180 [ 386.115676] __fput+0x385/0xa30 [ 386.118983] ? get_max_files+0x20/0x20 [ 386.122895] ? ___might_sleep+0x1ed/0x300 [ 386.127283] ? arch_local_save_flags+0x40/0x40 [ 386.131917] ____fput+0x15/0x20 [ 386.135217] task_work_run+0x1e8/0x2a0 [ 386.139125] ? task_work_cancel+0x240/0x240 [ 386.143474] ? switch_task_namespaces+0xb8/0xd0 [ 386.148170] do_exit+0x1ad7/0x2610 [ 386.151744] ? mm_update_next_owner+0x990/0x990 [ 386.156434] ? print_usage_bug+0xc0/0xc0 [ 386.160558] ? __lock_acquire+0x7ec/0x4ec0 [ 386.164818] ? find_held_lock+0x36/0x1c0 [ 386.168912] ? __lock_acquire+0x7ec/0x4ec0 [ 386.173171] ? mark_held_locks+0x130/0x130 [ 386.177436] ? lock_acquire+0x1ed/0x520 [ 386.181442] ? mark_held_locks+0x130/0x130 [ 386.185697] ? arch_local_save_flags+0x40/0x40 [ 386.190412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.195989] ? __mutex_lock+0x872/0x1710 [ 386.200077] ? __switch_to_asm+0x40/0x70 [ 386.204155] ? __switch_to_asm+0x34/0x70 [ 386.208240] ? pipe_wait+0x266/0x2c0 [ 386.211990] ? mutex_trylock+0x2b0/0x2b0 [ 386.216097] ? graph_lock+0x170/0x170 [ 386.219919] ? find_held_lock+0x36/0x1c0 [ 386.224005] ? memset+0x31/0x40 [ 386.227313] ? find_held_lock+0x36/0x1c0 [ 386.231406] ? get_signal+0x95b/0x1980 [ 386.235322] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.239846] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.244378] do_group_exit+0x177/0x440 [ 386.248294] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.253777] ? __ia32_sys_exit+0x50/0x50 [ 386.257878] get_signal+0x8b0/0x1980 [ 386.261636] ? ptrace_notify+0x130/0x130 [ 386.265809] ? finish_wait+0x430/0x430 [ 386.269721] ? graph_lock+0x170/0x170 [ 386.273577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.279140] ? pipe_read+0x702/0x940 [ 386.282949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.288614] do_signal+0x9c/0x21e0 [ 386.292177] ? __vfs_read+0x11f/0x9b0 [ 386.296010] ? vfs_copy_file_range+0xb90/0xb90 [ 386.300623] ? setup_sigcontext+0x7d0/0x7d0 [ 386.304991] ? exit_to_usermode_loop+0x8c/0x380 [ 386.309706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.315405] exit_to_usermode_loop+0x2e5/0x380 [ 386.320023] ? syscall_slow_exit_work+0x520/0x520 [ 386.324893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.330478] do_syscall_64+0x6be/0x820 [ 386.334387] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 386.339865] ? syscall_return_slowpath+0x5e0/0x5e0 [ 386.344814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.349680] ? trace_hardirqs_off+0x300/0x300 [ 386.354204] ? prepare_exit_to_usermode+0x291/0x3b0 [ 386.359253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.364126] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.369337] RIP: 0033:0x410e10 [ 386.372637] Code: Bad RIP value. [ 386.376017] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 386.383759] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 386.391054] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 386.398413] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 386.405706] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 386.413140] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 386.420564] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 386.420570] warn_alloc_show_mem: 1 callbacks suppressed [ 386.420578] Mem-Info: [ 386.427879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.427889] Call Trace: [ 386.433426] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 386.433426] active_file:19 inactive_file:16 isolated_file:0 [ 386.433426] unevictable:0 dirty:0 writeback:0 unstable:0 [ 386.433426] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 386.433426] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 386.433426] free:13785 free_pcp:397 free_cma:0 [ 386.435822] [ 386.445208] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 386.447821] dump_stack+0x1c4/0x2b4 [ 386.480622] Node 0 [ 386.482804] ? dump_stack_print_info.cold.2+0x52/0x52 [ 386.510408] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 386.514047] warn_alloc.cold.118+0xb7/0x1bd [ 386.516262] lowmem_reserve[]: 0 [ 386.521479] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.547074] 2815 [ 386.551426] ? lock_downgrade+0x900/0x900 [ 386.554690] 6318 6318 [ 386.559600] ? trace_hardirqs_off+0xb8/0x300 [ 386.565885] ? trace_hardirqs_off+0xb8/0x300 [ 386.568365] Node 0 [ 386.572801] __alloc_pages_slowpath+0x2667/0x2d80 [ 386.577215] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 386.579471] ? warn_alloc+0x120/0x120 [ 386.584341] lowmem_reserve[]: [ 386.611098] ? trace_hardirqs_on+0x310/0x310 [ 386.614983] 0 [ 386.618122] ? warn_alloc+0x120/0x120 [ 386.622512] 0 3503 [ 386.624373] ? print_usage_bug+0xc0/0xc0 [ 386.628218] 3503 [ 386.630481] ? warn_alloc+0x120/0x120 [ 386.634560] Node 0 [ 386.636643] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 386.640457] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 386.642683] ? print_usage_bug+0xc0/0xc0 [ 386.647685] lowmem_reserve[]: 0 [ 386.676475] ? __lock_acquire+0x7ec/0x4ec0 [ 386.680563] 0 [ 386.683862] ? __lock_acquire+0x7ec/0x4ec0 [ 386.688079] 0 [ 386.689902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.694115] 0 [ 386.695933] ? should_fail+0x22d/0xd01 [ 386.703297] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.707171] Node 0 DMA: [ 386.712304] ? __lock_acquire+0x7ec/0x4ec0 [ 386.712323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.714995] 1*4kB [ 386.719247] ? __lock_acquire+0x7ec/0x4ec0 [ 386.719265] ? should_fail+0x22d/0xd01 [ 386.724381] (U) [ 386.726584] ? print_usage_bug+0xc0/0xc0 [ 386.730810] 0*8kB [ 386.734749] ? mark_held_locks+0x130/0x130 [ 386.736708] 0*16kB [ 386.740796] ? mark_held_locks+0x130/0x130 [ 386.742931] 1*32kB [ 386.747191] ? graph_lock+0x170/0x170 [ 386.749409] (U) [ 386.753664] ? print_usage_bug+0xc0/0xc0 [ 386.755890] 2*64kB [ 386.759712] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 386.761689] (U) [ 386.765768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.768072] 1*128kB (U) [ 386.772848] ? check_preemption_disabled+0x48/0x200 [ 386.775343] 1*256kB (U) [ 386.780901] ? check_preemption_disabled+0x48/0x200 [ 386.783588] 0*512kB [ 386.788717] ? __lock_is_held+0xb5/0x140 [ 386.791374] 1*1024kB [ 386.796412] __alloc_pages_nodemask+0xa80/0xde0 [ 386.798723] (U) [ 386.802857] ? graph_lock+0x170/0x170 [ 386.805256] 1*2048kB (M) [ 386.809947] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 386.811911] 3*4096kB [ 386.815720] ? graph_lock+0x170/0x170 [ 386.818644] (M) [ 386.823680] ? find_held_lock+0x36/0x1c0 [ 386.826184] = 15908kB [ 386.830065] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.832035] Node 0 [ 386.836106] ? lock_downgrade+0x900/0x900 [ 386.838507] DMA32: [ 386.843227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.845563] 3*4kB [ 386.849725] cache_grow_begin+0x91/0x8c0 [ 386.851947] (M) [ 386.857494] ? do_raw_spin_unlock+0xa7/0x2f0 [ 386.859634] 1*8kB (M) [ 386.863785] fallback_alloc+0x203/0x2e0 [ 386.865748] 3*16kB [ 386.870167] ____cache_alloc_node+0x1c7/0x1e0 [ 386.872660] (UM) [ 386.876644] kmem_cache_alloc_node+0xe3/0x730 [ 386.878870] 3*32kB [ 386.883377] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.885422] (UM) 2*64kB [ 386.889941] __alloc_skb+0x119/0x770 [ 386.892162] (UM) [ 386.896409] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.899069] 5*128kB (UM) [ 386.902813] ? skb_scrub_packet+0x490/0x490 [ 386.904859] 3*256kB (M) [ 386.910156] ? lock_downgrade+0x900/0x900 [ 386.912904] 4*512kB [ 386.917240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.920002] (M) [ 386.924162] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.926472] 3*1024kB [ 386.932021] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.933989] (UM) [ 386.939454] ? addrconf_rs_timer+0x6f0/0x6f0 [ 386.941858] 3*2048kB [ 386.947472] ndisc_alloc_skb+0x144/0x340 [ 386.949514] (M) [ 386.953973] ndisc_send_rs+0x331/0x6e0 [ 386.956367] 3*4096kB (M) [ 386.960451] addrconf_rs_timer+0x3c0/0x6f0 [ 386.962418] = 25252kB [ 386.966312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.969063] Node 0 [ 386.973401] call_timer_fn+0x272/0x920 [ 386.975795] Normal: [ 386.980038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.982302] 1016*4kB [ 386.986204] ? process_timeout+0x40/0x40 [ 386.988517] (UME) [ 386.992790] ? find_held_lock+0x36/0x1c0 [ 386.995196] 348*8kB [ 386.999272] ? __run_timers+0x7da/0xc70 [ 387.001404] (UME) [ 387.005477] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.007788] 167*16kB [ 387.011772] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.013911] (UME) [ 387.018418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.020927] 68*32kB (UME) [ 387.025445] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 387.027750] 21*64kB (M) [ 387.032006] ? trace_hardirqs_on+0xbd/0x310 [ 387.034843] 6*128kB [ 387.039523] ? kasan_check_read+0x11/0x20 [ 387.042359] (UM) [ 387.046780] ? __run_timers+0x7da/0xc70 [ 387.049092] 1*256kB [ 387.053419] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.055483] (U) [ 387.059468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.061806] 0*512kB [ 387.067265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.069233] 0*1024kB [ 387.073476] __run_timers+0x7e5/0xc70 [ 387.075790] 0*2048kB [ 387.080043] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 387.082432] 0*4096kB [ 387.086241] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.088644] = 14064kB [ 387.094013] ? graph_lock+0x170/0x170 [ 387.096422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 387.101443] ? enqueue_hrtimer+0x1a5/0x560 [ 387.103904] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 387.107708] ? lock_release+0x970/0x970 [ 387.116556] 503 total pagecache pages [ 387.116574] 0 pages in swap cache [ 387.120810] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 387.129441] Swap cache stats: add 0, delete 0, find 0/0 [ 387.133423] ? find_held_lock+0x36/0x1c0 [ 387.137210] Free swap = 0kB [ 387.140672] ? graph_lock+0x170/0x170 [ 387.145851] Total swap = 0kB [ 387.151225] ? pvclock_read_flags+0x160/0x160 [ 387.155277] 1965979 pages RAM [ 387.158308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.162099] 0 pages HighMem/MovableOnly [ 387.165194] ? check_preemption_disabled+0x48/0x200 [ 387.169674] 343324 pages reserved [ 387.169682] 0 pages cma reserved [ 387.173026] ? __lock_is_held+0xb5/0x140 [ 387.178650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.182596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.187703] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.191067] ? check_preemption_disabled+0x48/0x200 [ 387.194425] syz-executor2 cpuset= [ 387.198499] run_timer_softirq+0x52/0xb0 [ 387.205123] syz2 [ 387.210670] ? rcu_read_lock_sched_held+0x108/0x120 [ 387.221146] mems_allowed=0 [ 387.226167] __do_softirq+0x30b/0xad8 [ 387.247511] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 387.252670] ? pvclock_read_flags+0x160/0x160 [ 387.257179] ? lapic_next_event+0x5a/0x90 [ 387.261343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.266898] ? check_preemption_disabled+0x48/0x200 [ 387.271930] ? check_preemption_disabled+0x48/0x200 [ 387.276971] ? kvm_clock_read+0x18/0x30 [ 387.280958] ? kvm_sched_clock_read+0x9/0x20 [ 387.285419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.290968] ? check_preemption_disabled+0x48/0x200 [ 387.296017] irq_exit+0x17f/0x1c0 [ 387.299493] smp_apic_timer_interrupt+0x1cb/0x760 [ 387.304379] ? smp_reschedule_interrupt+0x109/0x650 [ 387.309435] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.315401] ? interrupt_entry+0xb5/0xf0 [ 387.319478] ? trace_hardirqs_off_caller+0xbb/0x300 [ 387.324514] ? trace_hardirqs_off_caller+0xbb/0x300 [ 387.329592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.334454] ? trace_hardirqs_off+0x300/0x300 [ 387.338962] ? trace_hardirqs_off+0x300/0x300 [ 387.343474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.349030] ? check_preemption_disabled+0x48/0x200 [ 387.354060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.359621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.364614] apic_timer_interrupt+0xf/0x20 [ 387.368862] [ 387.371121] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 387.376065] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 387.394983] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 387.402962] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 387.410242] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 387.417557] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 387.424857] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 387.432179] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 387.439512] skb_clone+0x1bb/0x500 [ 387.443104] ? skb_split+0x11e0/0x11e0 [ 387.447098] ? preempt_notifier_register+0x200/0x200 [ 387.452224] ? __switch_to_asm+0x34/0x70 [ 387.456301] ? __switch_to_asm+0x34/0x70 [ 387.460374] ? __switch_to_asm+0x40/0x70 [ 387.464598] ? __switch_to_asm+0x34/0x70 [ 387.468672] ? __switch_to_asm+0x40/0x70 [ 387.472759] ? __switch_to_asm+0x40/0x70 [ 387.476928] ? __switch_to_asm+0x34/0x70 [ 387.481009] ? __switch_to_asm+0x34/0x70 [ 387.485104] ? __switch_to_asm+0x40/0x70 [ 387.489197] ? __switch_to_asm+0x34/0x70 [ 387.493297] bpf_clone_redirect+0xb9/0x490 [ 387.497650] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 387.502691] ? __sched_text_start+0x8/0x8 [ 387.506856] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 387.511646] ? find_held_lock+0x36/0x1c0 [ 387.515732] ? lock_acquire+0x1ed/0x520 [ 387.519723] ? bpf_test_run+0x32e/0x5a0 [ 387.523808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.529365] ? check_preemption_disabled+0x48/0x200 [ 387.534403] ? kasan_check_read+0x11/0x20 [ 387.538723] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.544020] ? rcu_bh_qs+0xc0/0xc0 [ 387.547602] ? preempt_schedule+0x4d/0x60 [ 387.551869] ? ___preempt_schedule+0x16/0x18 [ 387.556368] ? bpf_test_run+0x1c0/0x5a0 [ 387.560362] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 387.565230] ? netlink_diag_dump+0x2a0/0x2a0 [ 387.569665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.575224] ? bpf_test_init.isra.9+0x70/0x100 [ 387.579836] ? bpf_prog_test_run_skb+0x634/0xb40 [ 387.584619] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 387.589480] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 387.595033] ? fput+0x130/0x1a0 [ 387.598334] ? __bpf_prog_get+0x9b/0x290 [ 387.602416] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 387.607363] ? bpf_prog_test_run+0x130/0x1a0 [ 387.611794] ? __x64_sys_bpf+0x3d8/0x510 [ 387.615980] ? bpf_prog_get+0x20/0x20 [ 387.619820] ? do_syscall_64+0x1b9/0x820 [ 387.623896] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 387.629276] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.634228] ? trace_hardirqs_off+0x300/0x300 [ 387.638743] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 387.644282] ? recalc_sigpending_tsk+0x180/0x180 [ 387.649056] ? kasan_check_write+0x14/0x20 [ 387.653313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.658180] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.663609] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 387.663700] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.671044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.671056] Call Trace: [ 387.677693] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.686931] [ 387.689521] syz-executor4 cpuset= [ 387.700046] dump_stack+0x1c4/0x2b4 [ 387.702220] syz4 [ 387.705687] ? dump_stack_print_info.cold.2+0x52/0x52 [ 387.709304] mems_allowed=0 [ 387.711298] warn_alloc.cold.118+0xb7/0x1bd [ 387.723827] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.728691] ? lock_downgrade+0x900/0x900 [ 387.732867] ? trace_hardirqs_off+0xb8/0x300 [ 387.737303] ? trace_hardirqs_off+0xb8/0x300 [ 387.741741] __alloc_pages_slowpath+0x2667/0x2d80 [ 387.746809] ? warn_alloc+0x120/0x120 [ 387.750729] ? trace_hardirqs_on+0x310/0x310 [ 387.755164] ? warn_alloc+0x120/0x120 [ 387.758984] ? print_usage_bug+0xc0/0xc0 [ 387.763069] ? warn_alloc+0x120/0x120 [ 387.766886] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 387.771918] ? print_usage_bug+0xc0/0xc0 [ 387.776010] ? __lock_acquire+0x7ec/0x4ec0 [ 387.780271] ? __lock_acquire+0x7ec/0x4ec0 [ 387.784552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.790113] ? should_fail+0x22d/0xd01 [ 387.794021] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.799145] ? __lock_acquire+0x7ec/0x4ec0 [ 387.803405] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.808571] ? __lock_acquire+0x7ec/0x4ec0 [ 387.812830] ? should_fail+0x22d/0xd01 [ 387.816736] ? print_usage_bug+0xc0/0xc0 [ 387.820826] ? mark_held_locks+0x130/0x130 [ 387.825087] ? mark_held_locks+0x130/0x130 [ 387.829348] ? graph_lock+0x170/0x170 [ 387.833176] ? print_usage_bug+0xc0/0xc0 [ 387.837328] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 387.842112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.847668] ? check_preemption_disabled+0x48/0x200 [ 387.852702] ? check_preemption_disabled+0x48/0x200 [ 387.857836] ? __lock_is_held+0xb5/0x140 [ 387.861924] __alloc_pages_nodemask+0xa80/0xde0 [ 387.866615] ? graph_lock+0x170/0x170 [ 387.870562] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 387.875607] ? graph_lock+0x170/0x170 [ 387.879497] ? find_held_lock+0x36/0x1c0 [ 387.883608] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.888296] ? lock_downgrade+0x900/0x900 [ 387.892578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.898142] cache_grow_begin+0x91/0x8c0 [ 387.902256] ? do_raw_spin_unlock+0xa7/0x2f0 [ 387.906805] fallback_alloc+0x203/0x2e0 [ 387.910867] ____cache_alloc_node+0x1c7/0x1e0 [ 387.915390] kmem_cache_alloc_node+0xe3/0x730 [ 387.919967] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.924232] __alloc_skb+0x119/0x770 [ 387.927968] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.933353] ? skb_scrub_packet+0x490/0x490 [ 387.937691] ? lock_downgrade+0x900/0x900 [ 387.941865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.947421] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.952893] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.958360] ? addrconf_rs_timer+0x6f0/0x6f0 [ 387.962800] ndisc_alloc_skb+0x144/0x340 [ 387.966881] ndisc_send_rs+0x331/0x6e0 [ 387.970791] addrconf_rs_timer+0x3c0/0x6f0 [ 387.975058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.979321] call_timer_fn+0x272/0x920 [ 387.983226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.987480] ? process_timeout+0x40/0x40 [ 387.991581] ? find_held_lock+0x36/0x1c0 [ 387.995676] ? mark_held_locks+0xc7/0x130 [ 387.999849] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.004635] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.009145] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.013393] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 388.017994] ? trace_hardirqs_on+0xbd/0x310 [ 388.022327] ? kasan_check_read+0x11/0x20 [ 388.026490] ? __run_timers+0x7da/0xc70 [ 388.030485] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.035956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.040225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.044479] __run_timers+0x7e5/0xc70 [ 388.048312] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 388.053692] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.058722] ? graph_lock+0x170/0x170 [ 388.062631] ? print_usage_bug+0xc0/0xc0 [ 388.066705] ? lock_release+0x970/0x970 [ 388.070767] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.075985] ? find_held_lock+0x36/0x1c0 [ 388.080076] ? graph_lock+0x170/0x170 [ 388.083898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.089453] ? check_preemption_disabled+0x48/0x200 [ 388.094587] ? __lock_is_held+0xb5/0x140 [ 388.098669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.104223] ? check_preemption_disabled+0x48/0x200 [ 388.109262] run_timer_softirq+0x52/0xb0 [ 388.113403] ? rcu_read_lock_sched_held+0x108/0x120 [ 388.118440] __do_softirq+0x30b/0xad8 [ 388.122271] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 388.127482] ? pvclock_read_flags+0x160/0x160 [ 388.131994] ? lapic_next_event+0x5a/0x90 [ 388.136157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.141798] ? check_preemption_disabled+0x48/0x200 [ 388.146825] ? check_preemption_disabled+0x48/0x200 [ 388.151865] ? kvm_clock_read+0x18/0x30 [ 388.155855] ? kvm_sched_clock_read+0x9/0x20 [ 388.160280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.165834] ? check_preemption_disabled+0x48/0x200 [ 388.170881] irq_exit+0x17f/0x1c0 [ 388.174351] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.179208] ? smp_reschedule_interrupt+0x109/0x650 [ 388.184242] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.190295] ? interrupt_entry+0xb5/0xf0 [ 388.194463] ? trace_hardirqs_off_caller+0xbb/0x300 [ 388.199496] ? trace_hardirqs_off_caller+0xbb/0x300 [ 388.204579] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.209441] ? trace_hardirqs_off+0x300/0x300 [ 388.213950] ? trace_hardirqs_off+0x300/0x300 [ 388.218473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.224284] ? check_preemption_disabled+0x48/0x200 [ 388.229314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.234873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.239746] apic_timer_interrupt+0xf/0x20 [ 388.243989] [ 388.246359] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 388.251656] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 388.270589] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 388.278318] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 388.285604] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 388.292889] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 388.300174] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 388.307453] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 388.314760] ? arch_local_irq_restore+0x45/0x52 [ 388.319454] dump_stack+0x26a/0x2b4 [ 388.323100] ? dump_stack_print_info.cold.2+0x52/0x52 [ 388.328307] ? mark_held_locks+0x130/0x130 [ 388.332586] ? mark_held_locks+0x130/0x130 [ 388.336845] dump_header+0x27b/0xf72 [ 388.340611] ? pagefault_out_of_memory+0x197/0x197 [ 388.345584] ? mark_held_locks+0x130/0x130 [ 388.349833] ? __lock_acquire+0x7ec/0x4ec0 [ 388.354089] ? print_usage_bug+0xc0/0xc0 [ 388.358174] ? graph_lock+0x170/0x170 [ 388.361991] ? graph_lock+0x170/0x170 [ 388.365805] ? print_usage_bug+0xc0/0xc0 [ 388.369966] ? print_usage_bug+0xc0/0xc0 [ 388.374062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.379738] ? find_held_lock+0x36/0x1c0 [ 388.383823] ? mark_held_locks+0xc7/0x130 [ 388.388167] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.393286] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.398415] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.403016] ? trace_hardirqs_on+0xbd/0x310 [ 388.407358] ? kasan_check_read+0x11/0x20 [ 388.411579] ? ___ratelimit+0x36f/0x655 [ 388.415596] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.421126] ? trace_hardirqs_on+0x310/0x310 [ 388.425577] ? lock_downgrade+0x900/0x900 [ 388.429751] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.434871] ? ___ratelimit+0xaa/0x655 [ 388.438776] ? idr_get_free+0xec0/0xec0 [ 388.442947] ? kasan_check_write+0x14/0x20 [ 388.447199] ? do_raw_spin_lock+0xc1/0x200 [ 388.451460] oom_kill_process.cold.27+0x10/0x903 [ 388.456236] ? graph_lock+0x170/0x170 [ 388.460060] ? _raw_spin_unlock+0x2c/0x50 [ 388.464224] ? oom_badness+0xe6/0xaa0 [ 388.468047] ? oom_evaluate_task+0x540/0x540 [ 388.472484] ? find_held_lock+0x36/0x1c0 [ 388.476595] ? out_of_memory+0x974/0x14c0 [ 388.480759] ? lock_downgrade+0x900/0x900 [ 388.484989] ? check_preemption_disabled+0x48/0x200 [ 388.490032] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 388.495846] ? kasan_check_read+0x11/0x20 [ 388.500106] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.505411] ? rcu_bh_qs+0xc0/0xc0 [ 388.508975] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.514009] ? oom_evaluate_task+0x302/0x540 [ 388.518439] out_of_memory+0xa86/0x14c0 [ 388.522555] ? oom_killer_disable+0x3a0/0x3a0 [ 388.527075] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 388.532022] ? __mutex_add_waiter+0x2a0/0x2a0 [ 388.536577] __alloc_pages_slowpath+0x2318/0x2d80 [ 388.541470] ? warn_alloc+0x120/0x120 [ 388.545294] ? lock_downgrade+0x900/0x900 [ 388.549603] ? print_usage_bug+0xc0/0xc0 [ 388.553804] ? warn_alloc+0x120/0x120 [ 388.557686] ? print_usage_bug+0xc0/0xc0 [ 388.561770] ? debug_check_no_obj_freed+0x305/0x58d [ 388.566804] ? print_usage_bug+0xc0/0xc0 [ 388.570886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.576440] ? should_fail+0x22d/0xd01 [ 388.580350] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.585471] ? __lock_acquire+0x7ec/0x4ec0 [ 388.589748] ? __lock_is_held+0xb5/0x140 [ 388.593835] ? graph_lock+0x170/0x170 [ 388.597666] ? ___might_sleep+0x1ed/0x300 [ 388.601921] ? lock_release+0x970/0x970 [ 388.606026] ? arch_local_save_flags+0x40/0x40 [ 388.610647] ? __might_sleep+0x95/0x190 [ 388.614721] __alloc_pages_nodemask+0xa80/0xde0 [ 388.619410] ? graph_lock+0x170/0x170 [ 388.623232] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 388.628260] ? graph_lock+0x170/0x170 [ 388.632097] ? mark_held_locks+0xc7/0x130 [ 388.636258] ? find_held_lock+0x36/0x1c0 [ 388.640405] ? cache_grow_begin+0x5a4/0x8c0 [ 388.644811] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.649415] ? trace_hardirqs_on+0xbd/0x310 [ 388.653765] ? fallback_alloc+0x203/0x2e0 [ 388.657933] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.663406] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.668969] cache_grow_begin+0x91/0x8c0 [ 388.673062] ? do_raw_spin_unlock+0xa7/0x2f0 [ 388.677497] fallback_alloc+0x203/0x2e0 [ 388.681519] ____cache_alloc_node+0x1c7/0x1e0 [ 388.686072] kmem_cache_alloc_node_trace+0xe7/0x740 [ 388.691120] __kmalloc_node_track_caller+0x33/0x70 [ 388.696243] __kmalloc_reserve.isra.39+0x41/0xe0 [ 388.701020] __alloc_skb+0x155/0x770 [ 388.704763] ? skb_scrub_packet+0x490/0x490 [ 388.709102] ? if_nlmsg_size+0x5d1/0xbb0 [ 388.713184] ? nla_put_ifalias+0x170/0x170 [ 388.717452] ? softnet_seq_show+0x470/0x470 [ 388.721792] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 388.726827] ? netif_tx_stop_all_queues+0xd9/0x110 [ 388.731778] rtmsg_ifinfo_build_skb+0x74/0x190 [ 388.736382] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 388.741248] rtmsg_ifinfo+0x8c/0xa0 [ 388.744969] dev_close_many+0x3be/0x860 [ 388.748974] ? unlist_netdevice+0x670/0x670 [ 388.753315] ? find_held_lock+0x36/0x1c0 [ 388.757400] ? __queue_work+0x6be/0x1440 [ 388.761491] ? lock_downgrade+0x900/0x900 [ 388.765661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.771300] ? rtnl_is_locked+0xb5/0xf0 [ 388.775797] ? rtnl_trylock+0x20/0x20 [ 388.779754] ? do_raw_spin_unlock+0xa7/0x2f0 [ 388.784182] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 388.788788] rollback_registered_many+0x56e/0x1240 [ 388.793742] ? generic_xdp_install+0x4c0/0x4c0 [ 388.798349] ? max_active_store+0x170/0x170 [ 388.802687] ? graph_lock+0x170/0x170 [ 388.806511] ? print_usage_bug+0xc0/0xc0 [ 388.810616] ? print_usage_bug+0xc0/0xc0 [ 388.814795] ? kfree_skbmem+0x154/0x230 [ 388.818785] ? graph_lock+0x170/0x170 [ 388.822602] ? print_usage_bug+0xc0/0xc0 [ 388.826682] ? find_held_lock+0x36/0x1c0 [ 388.830774] ? mark_held_locks+0xc7/0x130 [ 388.835738] rollback_registered+0x1e9/0x420 [ 388.840226] ? lockdep_hardirqs_on+0x351/0x5c0 [ 388.844827] ? rollback_registered_many+0x1240/0x1240 [ 388.850033] ? trace_hardirqs_on+0xbd/0x310 [ 388.854378] ? linkwatch_schedule_work+0x150/0x170 [ 388.859387] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.864945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.870579] ? rtnl_is_locked+0xb5/0xf0 [ 388.874596] ? rtnl_trylock+0x20/0x20 [ 388.878419] ? queue_delayed_work_on+0x130/0x1f0 [ 388.883199] unregister_netdevice_queue+0x321/0x5e0 [ 388.888325] ? rollback_registered+0x420/0x420 [ 388.893100] ? linkwatch_schedule_work+0x170/0x170 [ 388.898055] ? tun_show_owner+0x170/0x170 [ 388.902223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.907781] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 388.913164] ? __tun_detach+0x6ba/0x15c0 [ 388.917371] __tun_detach+0x11b8/0x15c0 [ 388.921361] ? __call_rcu.constprop.69+0x429/0xbc0 [ 388.926316] ? tun_attach+0x1770/0x1770 [ 388.930310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.935997] ? check_preemption_disabled+0x48/0x200 [ 388.941038] ? graph_lock+0x170/0x170 [ 388.944861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.950413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.955969] ? locks_remove_file+0x3c6/0x5c0 [ 388.960393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.965958] ? ima_file_free+0x132/0x650 [ 388.970040] ? __lock_is_held+0xb5/0x140 [ 388.974127] ? __tun_detach+0x15c0/0x15c0 [ 388.978297] ? __tun_detach+0x15c0/0x15c0 [ 388.982461] tun_chr_close+0xe3/0x180 [ 388.986280] __fput+0x385/0xa30 [ 388.989607] ? get_max_files+0x20/0x20 [ 388.993515] ? ___might_sleep+0x1ed/0x300 [ 388.997717] ? arch_local_save_flags+0x40/0x40 [ 389.002320] ____fput+0x15/0x20 [ 389.005642] task_work_run+0x1e8/0x2a0 [ 389.009575] ? task_work_cancel+0x240/0x240 [ 389.013924] ? switch_task_namespaces+0xb8/0xd0 [ 389.018617] do_exit+0x1ad7/0x2610 [ 389.022182] ? mm_update_next_owner+0x990/0x990 [ 389.026869] ? print_usage_bug+0xc0/0xc0 [ 389.030956] ? __lock_acquire+0x7ec/0x4ec0 [ 389.035249] ? find_held_lock+0x36/0x1c0 [ 389.039339] ? __lock_acquire+0x7ec/0x4ec0 [ 389.043737] ? mark_held_locks+0x130/0x130 [ 389.047992] ? lock_acquire+0x1ed/0x520 [ 389.051994] ? mark_held_locks+0x130/0x130 [ 389.056245] ? arch_local_save_flags+0x40/0x40 [ 389.060932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.066595] ? __mutex_lock+0x872/0x1710 [ 389.070678] ? __switch_to_asm+0x40/0x70 [ 389.074755] ? __switch_to_asm+0x34/0x70 [ 389.078834] ? pipe_wait+0x266/0x2c0 [ 389.082594] ? mutex_trylock+0x2b0/0x2b0 [ 389.086684] ? graph_lock+0x170/0x170 [ 389.090501] ? find_held_lock+0x36/0x1c0 [ 389.094611] ? memset+0x31/0x40 [ 389.097987] ? find_held_lock+0x36/0x1c0 [ 389.102084] ? get_signal+0x95b/0x1980 [ 389.105991] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.110503] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.115059] do_group_exit+0x177/0x440 [ 389.118987] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.124452] ? __ia32_sys_exit+0x50/0x50 [ 389.128657] get_signal+0x8b0/0x1980 [ 389.132486] ? ptrace_notify+0x130/0x130 [ 389.136593] ? finish_wait+0x430/0x430 [ 389.140498] ? graph_lock+0x170/0x170 [ 389.144350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.149904] ? pipe_read+0x702/0x940 [ 389.153648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.159216] do_signal+0x9c/0x21e0 [ 389.162841] ? __vfs_read+0x11f/0x9b0 [ 389.166672] ? vfs_copy_file_range+0xb90/0xb90 [ 389.171276] ? setup_sigcontext+0x7d0/0x7d0 [ 389.175635] ? exit_to_usermode_loop+0x8c/0x380 [ 389.180340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.186014] exit_to_usermode_loop+0x2e5/0x380 [ 389.190683] ? syscall_slow_exit_work+0x520/0x520 [ 389.195694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.201258] do_syscall_64+0x6be/0x820 [ 389.205181] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 389.210652] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.215599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.220573] ? trace_hardirqs_off+0x300/0x300 [ 389.225096] ? prepare_exit_to_usermode+0x291/0x3b0 [ 389.230139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.235079] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.240383] RIP: 0033:0x410e10 [ 389.243600] Code: Bad RIP value. [ 389.247070] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 389.254915] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 389.262198] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 389.269483] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 389.276769] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 389.284160] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 389.291483] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 389.291489] warn_alloc_show_mem: 1 callbacks suppressed [ 389.291496] Mem-Info: [ 389.298904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.298913] Call Trace: [ 389.304303] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 389.304303] active_file:19 inactive_file:16 isolated_file:0 [ 389.304303] unevictable:0 dirty:0 writeback:0 unstable:0 [ 389.304303] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 389.304303] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 389.304303] free:13785 free_pcp:397 free_cma:0 [ 389.306691] [ 389.316071] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 389.318663] dump_stack+0x1c4/0x2b4 [ 389.351949] Node 0 [ 389.354119] ? dump_stack_print_info.cold.2+0x52/0x52 [ 389.381964] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 389.385608] warn_alloc.cold.118+0xb7/0x1bd [ 389.387823] lowmem_reserve[]: 0 [ 389.393029] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.418656] 2815 [ 389.423005] ? lock_downgrade+0x900/0x900 [ 389.426261] 6318 [ 389.431116] ? trace_hardirqs_off+0xb8/0x300 [ 389.433246] 6318 [ 389.437503] ? trace_hardirqs_off+0xb8/0x300 [ 389.439581] Node 0 [ 389.444003] __alloc_pages_slowpath+0x2667/0x2d80 [ 389.446079] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 389.450490] ? warn_alloc+0x120/0x120 [ 389.452685] lowmem_reserve[]: 0 [ 389.457571] ? trace_hardirqs_on+0x310/0x310 [ 389.484520] 0 [ 389.488370] ? warn_alloc+0x120/0x120 [ 389.491696] 3503 [ 389.496116] ? print_usage_bug+0xc0/0xc0 [ 389.497900] 3503 [ 389.501718] ? warn_alloc+0x120/0x120 [ 389.503774] Node 0 [ 389.507847] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 389.509926] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 389.513710] ? print_usage_bug+0xc0/0xc0 [ 389.515937] lowmem_reserve[]: [ 389.521050] ? __lock_acquire+0x7ec/0x4ec0 [ 389.549652] 0 0 [ 389.553744] ? __lock_acquire+0x7ec/0x4ec0 [ 389.556837] 0 [ 389.561086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.563048] 0 [ 389.567293] ? should_fail+0x22d/0xd01 [ 389.569086] Node 0 [ 389.574635] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.576516] DMA: 1*4kB [ 389.580453] ? __lock_acquire+0x7ec/0x4ec0 [ 389.582682] (U) [ 389.587791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.590364] 0*8kB [ 389.594608] ? __lock_acquire+0x7ec/0x4ec0 [ 389.596588] 0*16kB [ 389.601698] ? should_fail+0x22d/0xd01 [ 389.604002] 1*32kB [ 389.608243] ? print_usage_bug+0xc0/0xc0 [ 389.610469] (U) [ 389.614459] ? mark_held_locks+0x130/0x130 [ 389.616679] 2*64kB (U) [ 389.620760] ? mark_held_locks+0x130/0x130 [ 389.622728] 1*128kB [ 389.627124] ? graph_lock+0x170/0x170 [ 389.629696] (U) [ 389.633961] ? print_usage_bug+0xc0/0xc0 [ 389.636274] 1*256kB (U) [ 389.640103] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 389.642074] 0*512kB [ 389.646603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.649263] 1*1024kB (U) [ 389.654037] ? check_preemption_disabled+0x48/0x200 [ 389.656350] 1*2048kB (M) [ 389.661897] ? check_preemption_disabled+0x48/0x200 [ 389.661922] ? __lock_is_held+0xb5/0x140 [ 389.664669] 3*4096kB [ 389.669700] __alloc_pages_nodemask+0xa80/0xde0 [ 389.672441] (M) [ 389.677863] ? graph_lock+0x170/0x170 [ 389.681917] = 15908kB [ 389.684338] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 389.689405] Node 0 [ 389.691393] ? graph_lock+0x170/0x170 [ 389.695183] DMA32: [ 389.697612] ? find_held_lock+0x36/0x1c0 [ 389.702611] 3*4kB [ 389.704861] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.708644] (M) [ 389.710892] ? lock_downgrade+0x900/0x900 [ 389.714949] 1*8kB [ 389.717112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.721849] (M) 3*16kB [ 389.723921] cache_grow_begin+0x91/0x8c0 [ 389.728058] (UM) [ 389.730237] ? do_raw_spin_unlock+0xa7/0x2f0 [ 389.735849] 3*32kB [ 389.738453] fallback_alloc+0x203/0x2e0 [ 389.742823] (UM) [ 389.744976] ____cache_alloc_node+0x1c7/0x1e0 [ 389.749401] 2*64kB [ 389.751741] kmem_cache_alloc_node+0xe3/0x730 [ 389.755699] (UM) [ 389.757777] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.762257] 5*128kB (UM) [ 389.764517] __alloc_skb+0x119/0x770 [ 389.769067] 3*256kB [ 389.771144] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.775586] (M) [ 389.778354] ? skb_scrub_packet+0x490/0x490 [ 389.782058] 4*512kB [ 389.784496] ? lock_downgrade+0x900/0x900 [ 389.789955] (M) [ 389.791950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.796258] 3*1024kB [ 389.798600] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.802737] (UM) [ 389.804729] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.810257] 3*2048kB [ 389.812677] ? addrconf_rs_timer+0x6f0/0x6f0 [ 389.818198] (M) [ 389.820283] ndisc_alloc_skb+0x144/0x340 [ 389.825713] 3*4096kB [ 389.828139] ndisc_send_rs+0x331/0x6e0 [ 389.832554] (M) [ 389.834575] addrconf_rs_timer+0x3c0/0x6f0 [ 389.838620] = 25252kB [ 389.841042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.844923] Node 0 [ 389.846919] call_timer_fn+0x272/0x920 [ 389.851132] Normal: [ 389.853578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.857804] 1016*4kB [ 389.860050] ? process_timeout+0x40/0x40 [ 389.863930] (UME) [ 389.866264] ? find_held_lock+0x36/0x1c0 [ 389.870480] 348*8kB (UME) [ 389.872918] ? __run_timers+0x7da/0xc70 [ 389.876993] 167*16kB [ 389.879151] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.883199] (UME) [ 389.886199] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.890165] 68*32kB [ 389.892603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.897087] (UME) [ 389.899274] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 389.903824] 21*64kB [ 389.906166] ? trace_hardirqs_on+0xbd/0x310 [ 389.910388] (M) [ 389.912577] ? kasan_check_read+0x11/0x20 [ 389.917146] 6*128kB (UM) [ 389.919491] ? __run_timers+0x7da/0xc70 [ 389.923836] 1*256kB [ 389.925821] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.929953] (U) [ 389.932723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.936684] 0*512kB [ 389.939016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.944456] 0*1024kB [ 389.946440] __run_timers+0x7e5/0xc70 [ 389.950663] 0*2048kB [ 389.953008] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 389.957222] 0*4096kB [ 389.959663] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.963558] = 14064kB [ 389.963578] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 389.966004] ? graph_lock+0x170/0x170 [ 389.971449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 389.971462] 503 total pagecache pages [ 389.973892] ? enqueue_hrtimer+0x1a5/0x560 [ 389.978909] 0 pages in swap cache [ 389.981326] ? lock_release+0x970/0x970 [ 389.990219] Swap cache stats: add 0, delete 0, find 0/0 [ 389.990229] Free swap = 0kB [ 389.994043] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 390.002675] Total swap = 0kB [ 390.006498] ? find_held_lock+0x36/0x1c0 [ 390.010801] 1965979 pages RAM [ 390.014265] ? graph_lock+0x170/0x170 [ 390.018221] 0 pages HighMem/MovableOnly [ 390.018230] 343324 pages reserved [ 390.023603] ? pvclock_read_flags+0x160/0x160 [ 390.026612] 0 pages cma reserved [ 390.031811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.034894] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.038886] ? check_preemption_disabled+0x48/0x200 [ 390.042169] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.045919] ? __lock_is_held+0xb5/0x140 [ 390.049877] syz-executor2 cpuset= [ 390.053411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.057896] syz2 [ 390.061276] ? check_preemption_disabled+0x48/0x200 [ 390.066804] mems_allowed=0 [ 390.073319] run_timer_softirq+0x52/0xb0 [ 390.115792] ? rcu_read_lock_sched_held+0x108/0x120 [ 390.120821] __do_softirq+0x30b/0xad8 [ 390.124641] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 390.129759] ? pvclock_read_flags+0x160/0x160 [ 390.134257] ? lapic_next_event+0x5a/0x90 [ 390.138406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.143942] ? check_preemption_disabled+0x48/0x200 [ 390.148960] ? check_preemption_disabled+0x48/0x200 [ 390.153986] ? kvm_clock_read+0x18/0x30 [ 390.157963] ? kvm_sched_clock_read+0x9/0x20 [ 390.162373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.167910] ? check_preemption_disabled+0x48/0x200 [ 390.172940] irq_exit+0x17f/0x1c0 [ 390.176398] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.181239] ? smp_reschedule_interrupt+0x109/0x650 [ 390.186257] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.192147] ? interrupt_entry+0xb5/0xf0 [ 390.196212] ? trace_hardirqs_off_caller+0xbb/0x300 [ 390.201333] ? trace_hardirqs_off_caller+0xbb/0x300 [ 390.206350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.211197] ? trace_hardirqs_off+0x300/0x300 [ 390.215690] ? trace_hardirqs_off+0x300/0x300 [ 390.220189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.225724] ? check_preemption_disabled+0x48/0x200 [ 390.230744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.236288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.241140] apic_timer_interrupt+0xf/0x20 [ 390.245374] [ 390.247617] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 390.252559] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 390.271463] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 390.279178] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 390.286456] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 390.293730] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 390.301001] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 390.308368] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 390.315691] skb_clone+0x1bb/0x500 [ 390.319238] ? skb_split+0x11e0/0x11e0 [ 390.323133] ? preempt_notifier_register+0x200/0x200 [ 390.328239] ? __switch_to_asm+0x34/0x70 [ 390.332307] ? __switch_to_asm+0x34/0x70 [ 390.336373] ? __switch_to_asm+0x40/0x70 [ 390.340440] ? __switch_to_asm+0x34/0x70 [ 390.344507] ? __switch_to_asm+0x40/0x70 [ 390.348594] ? __switch_to_asm+0x40/0x70 [ 390.352664] ? __switch_to_asm+0x34/0x70 [ 390.356769] ? __switch_to_asm+0x34/0x70 [ 390.360835] ? __switch_to_asm+0x40/0x70 [ 390.364909] ? __switch_to_asm+0x34/0x70 [ 390.368988] bpf_clone_redirect+0xb9/0x490 [ 390.373240] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 390.378282] ? __sched_text_start+0x8/0x8 [ 390.382435] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.387211] ? find_held_lock+0x36/0x1c0 [ 390.391288] ? lock_acquire+0x1ed/0x520 [ 390.395270] ? bpf_test_run+0x32e/0x5a0 [ 390.399252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.404799] ? check_preemption_disabled+0x48/0x200 [ 390.409830] ? kasan_check_read+0x11/0x20 [ 390.413991] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.419281] ? rcu_bh_qs+0xc0/0xc0 [ 390.422833] ? preempt_schedule+0x4d/0x60 [ 390.426993] ? ___preempt_schedule+0x16/0x18 [ 390.431432] ? bpf_test_run+0x1c0/0x5a0 [ 390.435422] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 390.440285] ? netlink_diag_dump+0x2a0/0x2a0 [ 390.444830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.450377] ? bpf_test_init.isra.9+0x70/0x100 [ 390.454977] ? bpf_prog_test_run_skb+0x634/0xb40 [ 390.459761] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 390.464618] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 390.470168] ? fput+0x130/0x1a0 [ 390.473595] ? __bpf_prog_get+0x9b/0x290 [ 390.477673] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 390.482559] ? bpf_prog_test_run+0x130/0x1a0 [ 390.486988] ? __x64_sys_bpf+0x3d8/0x510 [ 390.491063] ? bpf_prog_get+0x20/0x20 [ 390.494900] ? do_syscall_64+0x1b9/0x820 [ 390.498975] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 390.504357] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.509304] ? trace_hardirqs_off+0x300/0x300 [ 390.513818] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 390.518852] ? recalc_sigpending_tsk+0x180/0x180 [ 390.523625] ? kasan_check_write+0x14/0x20 [ 390.527885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.532761] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.538158] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 390.538245] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.545362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.545368] Call Trace: [ 390.545375] [ 390.545392] dump_stack+0x1c4/0x2b4 [ 390.545409] ? dump_stack_print_info.cold.2+0x52/0x52 [ 390.545435] warn_alloc.cold.118+0xb7/0x1bd [ 390.551991] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.561293] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.563869] syz-executor4 cpuset= [ 390.566029] ? lock_downgrade+0x900/0x900 [ 390.569644] syz4 [ 390.574850] ? trace_hardirqs_off+0xb8/0x300 [ 390.579174] mems_allowed=0 [ 390.589763] ? trace_hardirqs_off+0xb8/0x300 [ 390.616510] __alloc_pages_slowpath+0x2667/0x2d80 [ 390.621437] ? warn_alloc+0x120/0x120 [ 390.625264] ? warn_alloc+0x120/0x120 [ 390.629133] ? print_usage_bug+0xc0/0xc0 [ 390.633214] ? warn_alloc+0x120/0x120 [ 390.637036] ? print_usage_bug+0xc0/0xc0 [ 390.641122] ? __lock_acquire+0x7ec/0x4ec0 [ 390.645461] ? __lock_acquire+0x7ec/0x4ec0 [ 390.649836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.655388] ? should_fail+0x22d/0xd01 [ 390.659299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.664417] ? __lock_acquire+0x7ec/0x4ec0 [ 390.668673] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.673867] ? __lock_acquire+0x7ec/0x4ec0 [ 390.678125] ? should_fail+0x22d/0xd01 [ 390.682044] ? mark_held_locks+0x130/0x130 [ 390.686310] ? mark_held_locks+0x130/0x130 [ 390.690594] ? graph_lock+0x170/0x170 [ 390.694617] ? graph_lock+0x170/0x170 [ 390.698440] ? graph_lock+0x170/0x170 [ 390.702347] ? print_usage_bug+0xc0/0xc0 [ 390.706428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.712020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.717604] ? check_preemption_disabled+0x48/0x200 [ 390.722637] ? check_preemption_disabled+0x48/0x200 [ 390.727687] ? __lock_is_held+0xb5/0x140 [ 390.731773] __alloc_pages_nodemask+0xa80/0xde0 [ 390.736466] ? graph_lock+0x170/0x170 [ 390.740296] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 390.745332] ? graph_lock+0x170/0x170 [ 390.749168] ? find_held_lock+0x36/0x1c0 [ 390.753258] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.757952] ? lock_downgrade+0x900/0x900 [ 390.762288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.768040] cache_grow_begin+0x91/0x8c0 [ 390.772133] ? do_raw_spin_unlock+0xa7/0x2f0 [ 390.777117] fallback_alloc+0x203/0x2e0 [ 390.781120] ____cache_alloc_node+0x1c7/0x1e0 [ 390.785664] kmem_cache_alloc_node+0xe3/0x730 [ 390.790182] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.794448] __alloc_skb+0x119/0x770 [ 390.798179] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.803484] ? skb_scrub_packet+0x490/0x490 [ 390.807821] ? lock_downgrade+0x900/0x900 [ 390.811985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.817570] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.823046] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.828524] ? addrconf_rs_timer+0x6f0/0x6f0 [ 390.833000] ndisc_alloc_skb+0x144/0x340 [ 390.837098] ndisc_send_rs+0x331/0x6e0 [ 390.841151] addrconf_rs_timer+0x3c0/0x6f0 [ 390.845412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.849685] call_timer_fn+0x272/0x920 [ 390.853604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.857862] ? process_timeout+0x40/0x40 [ 390.861938] ? find_held_lock+0x36/0x1c0 [ 390.866112] ? mark_held_locks+0xc7/0x130 [ 390.870279] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.874790] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.879304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.883590] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 390.888199] ? trace_hardirqs_on+0xbd/0x310 [ 390.892567] ? kasan_check_read+0x11/0x20 [ 390.896735] ? __run_timers+0x7da/0xc70 [ 390.900731] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.906282] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.910568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.914823] __run_timers+0x7e5/0xc70 [ 390.918657] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 390.924040] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 390.929082] ? graph_lock+0x170/0x170 [ 390.932903] ? print_usage_bug+0xc0/0xc0 [ 390.936981] ? lock_release+0x970/0x970 [ 390.940973] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 390.946190] ? find_held_lock+0x36/0x1c0 [ 390.950278] ? graph_lock+0x170/0x170 [ 390.954098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.959656] ? check_preemption_disabled+0x48/0x200 [ 390.964702] ? __lock_is_held+0xb5/0x140 [ 390.968781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.974333] ? check_preemption_disabled+0x48/0x200 [ 390.979378] run_timer_softirq+0x52/0xb0 [ 390.983457] ? rcu_read_lock_sched_held+0x108/0x120 [ 390.988494] __do_softirq+0x30b/0xad8 [ 390.992509] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 390.997670] ? pvclock_read_flags+0x160/0x160 [ 391.002185] ? lapic_next_event+0x5a/0x90 [ 391.006353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.011911] ? check_preemption_disabled+0x48/0x200 [ 391.016942] ? check_preemption_disabled+0x48/0x200 [ 391.021984] ? kvm_clock_read+0x18/0x30 [ 391.026058] ? kvm_sched_clock_read+0x9/0x20 [ 391.030704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.036414] ? check_preemption_disabled+0x48/0x200 [ 391.041465] irq_exit+0x17f/0x1c0 [ 391.044941] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.049804] ? smp_reschedule_interrupt+0x109/0x650 [ 391.054843] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.060745] ? interrupt_entry+0xb5/0xf0 [ 391.064830] ? trace_hardirqs_off_caller+0xbb/0x300 [ 391.069861] ? trace_hardirqs_off_caller+0xbb/0x300 [ 391.074903] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.079970] ? trace_hardirqs_off+0x300/0x300 [ 391.084480] ? trace_hardirqs_off+0x300/0x300 [ 391.089089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.094652] ? check_preemption_disabled+0x48/0x200 [ 391.099689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.105256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.110127] apic_timer_interrupt+0xf/0x20 [ 391.114375] [ 391.116637] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 391.121934] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 391.140852] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 391.148668] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 391.156021] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 391.163305] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 391.170617] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 391.177897] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 391.185200] ? arch_local_irq_restore+0x45/0x52 [ 391.189901] dump_stack+0x26a/0x2b4 [ 391.193577] ? dump_stack_print_info.cold.2+0x52/0x52 [ 391.199013] ? mark_held_locks+0x130/0x130 [ 391.203288] ? mark_held_locks+0x130/0x130 [ 391.207578] dump_header+0x27b/0xf72 [ 391.211325] ? pagefault_out_of_memory+0x197/0x197 [ 391.216275] ? mark_held_locks+0x130/0x130 [ 391.220524] ? __lock_acquire+0x7ec/0x4ec0 [ 391.224809] ? print_usage_bug+0xc0/0xc0 [ 391.228896] ? graph_lock+0x170/0x170 [ 391.232716] ? graph_lock+0x170/0x170 [ 391.236565] ? print_usage_bug+0xc0/0xc0 [ 391.240649] ? print_usage_bug+0xc0/0xc0 [ 391.244740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.250581] ? find_held_lock+0x36/0x1c0 [ 391.254673] ? mark_held_locks+0xc7/0x130 [ 391.258840] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.263976] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.269101] ? lockdep_hardirqs_on+0x421/0x5c0 [ 391.273716] ? trace_hardirqs_on+0xbd/0x310 [ 391.278066] ? kasan_check_read+0x11/0x20 [ 391.282231] ? ___ratelimit+0x36f/0x655 [ 391.286222] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.291804] ? trace_hardirqs_on+0x310/0x310 [ 391.296233] ? lock_downgrade+0x900/0x900 [ 391.300405] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.305622] ? ___ratelimit+0xaa/0x655 [ 391.309659] ? idr_get_free+0xec0/0xec0 [ 391.313720] ? kasan_check_write+0x14/0x20 [ 391.317974] ? do_raw_spin_lock+0xc1/0x200 [ 391.322233] oom_kill_process.cold.27+0x10/0x903 [ 391.327008] ? graph_lock+0x170/0x170 [ 391.330825] ? _raw_spin_unlock+0x2c/0x50 [ 391.335181] ? oom_badness+0xe6/0xaa0 [ 391.339008] ? oom_evaluate_task+0x540/0x540 [ 391.343436] ? find_held_lock+0x36/0x1c0 [ 391.347618] ? out_of_memory+0x974/0x14c0 [ 391.352118] ? lock_downgrade+0x900/0x900 [ 391.356281] ? check_preemption_disabled+0x48/0x200 [ 391.361393] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 391.367273] ? kasan_check_read+0x11/0x20 [ 391.371609] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.376941] ? rcu_bh_qs+0xc0/0xc0 [ 391.380503] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.385594] ? oom_evaluate_task+0x302/0x540 [ 391.390076] out_of_memory+0xa86/0x14c0 [ 391.394086] ? oom_killer_disable+0x3a0/0x3a0 [ 391.398613] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 391.403596] ? __mutex_add_waiter+0x2a0/0x2a0 [ 391.408299] __alloc_pages_slowpath+0x2318/0x2d80 [ 391.413192] ? warn_alloc+0x120/0x120 [ 391.417183] ? lock_downgrade+0x900/0x900 [ 391.421422] ? print_usage_bug+0xc0/0xc0 [ 391.425609] ? warn_alloc+0x120/0x120 [ 391.429426] ? print_usage_bug+0xc0/0xc0 [ 391.433506] ? debug_check_no_obj_freed+0x305/0x58d [ 391.438596] ? print_usage_bug+0xc0/0xc0 [ 391.442767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.448524] ? should_fail+0x22d/0xd01 [ 391.452463] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.457602] ? __lock_acquire+0x7ec/0x4ec0 [ 391.462099] ? __lock_is_held+0xb5/0x140 [ 391.466264] ? graph_lock+0x170/0x170 [ 391.470156] ? ___might_sleep+0x1ed/0x300 [ 391.474323] ? lock_release+0x970/0x970 [ 391.478318] ? arch_local_save_flags+0x40/0x40 [ 391.483201] ? __might_sleep+0x95/0x190 [ 391.487206] __alloc_pages_nodemask+0xa80/0xde0 [ 391.491965] ? graph_lock+0x170/0x170 [ 391.495860] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 391.500896] ? graph_lock+0x170/0x170 [ 391.504820] ? mark_held_locks+0xc7/0x130 [ 391.508983] ? find_held_lock+0x36/0x1c0 [ 391.513072] ? cache_grow_begin+0x5a4/0x8c0 [ 391.517448] ? lockdep_hardirqs_on+0x421/0x5c0 [ 391.522127] ? trace_hardirqs_on+0xbd/0x310 [ 391.526475] ? fallback_alloc+0x203/0x2e0 [ 391.530778] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.536338] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.541904] cache_grow_begin+0x91/0x8c0 [ 391.546063] ? do_raw_spin_unlock+0xa7/0x2f0 [ 391.550498] fallback_alloc+0x203/0x2e0 [ 391.554525] ____cache_alloc_node+0x1c7/0x1e0 [ 391.559083] kmem_cache_alloc_node_trace+0xe7/0x740 [ 391.564385] __kmalloc_node_track_caller+0x33/0x70 [ 391.569570] __kmalloc_reserve.isra.39+0x41/0xe0 [ 391.574350] __alloc_skb+0x155/0x770 [ 391.578087] ? skb_scrub_packet+0x490/0x490 [ 391.582497] ? if_nlmsg_size+0x5d1/0xbb0 [ 391.586612] ? nla_put_ifalias+0x170/0x170 [ 391.590880] ? softnet_seq_show+0x470/0x470 [ 391.595222] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 391.600256] ? netif_tx_stop_all_queues+0xd9/0x110 [ 391.605351] rtmsg_ifinfo_build_skb+0x74/0x190 [ 391.609956] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 391.614824] rtmsg_ifinfo+0x8c/0xa0 [ 391.618478] dev_close_many+0x3be/0x860 [ 391.622518] ? unlist_netdevice+0x670/0x670 [ 391.626894] ? find_held_lock+0x36/0x1c0 [ 391.631086] ? __queue_work+0x6be/0x1440 [ 391.635178] ? lock_downgrade+0x900/0x900 [ 391.639357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.645467] ? rtnl_is_locked+0xb5/0xf0 [ 391.649466] ? rtnl_trylock+0x20/0x20 [ 391.653284] ? do_raw_spin_unlock+0xa7/0x2f0 [ 391.657711] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 391.662317] rollback_registered_many+0x56e/0x1240 [ 391.667274] ? generic_xdp_install+0x4c0/0x4c0 [ 391.671880] ? max_active_store+0x170/0x170 [ 391.676367] ? graph_lock+0x170/0x170 [ 391.680184] ? print_usage_bug+0xc0/0xc0 [ 391.684263] ? print_usage_bug+0xc0/0xc0 [ 391.688406] ? kfree_skbmem+0x154/0x230 [ 391.692397] ? graph_lock+0x170/0x170 [ 391.696215] ? print_usage_bug+0xc0/0xc0 [ 391.700297] ? find_held_lock+0x36/0x1c0 [ 391.704385] ? mark_held_locks+0xc7/0x130 [ 391.708580] rollback_registered+0x1e9/0x420 [ 391.713010] ? lockdep_hardirqs_on+0x351/0x5c0 [ 391.717733] ? rollback_registered_many+0x1240/0x1240 [ 391.723014] ? trace_hardirqs_on+0xbd/0x310 [ 391.727357] ? linkwatch_schedule_work+0x150/0x170 [ 391.732317] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.737808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.743374] ? rtnl_is_locked+0xb5/0xf0 [ 391.747369] ? rtnl_trylock+0x20/0x20 [ 391.751195] ? queue_delayed_work_on+0x130/0x1f0 [ 391.755973] unregister_netdevice_queue+0x321/0x5e0 [ 391.761098] ? rollback_registered+0x420/0x420 [ 391.765700] ? linkwatch_schedule_work+0x170/0x170 [ 391.770650] ? tun_show_owner+0x170/0x170 [ 391.774815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.780449] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 391.785832] ? __tun_detach+0x6ba/0x15c0 [ 391.789929] __tun_detach+0x11b8/0x15c0 [ 391.793926] ? __call_rcu.constprop.69+0x429/0xbc0 [ 391.799044] ? tun_attach+0x1770/0x1770 [ 391.803051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.808621] ? check_preemption_disabled+0x48/0x200 [ 391.813777] ? graph_lock+0x170/0x170 [ 391.817737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.823522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.829126] ? locks_remove_file+0x3c6/0x5c0 [ 391.833602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.839275] ? ima_file_free+0x132/0x650 [ 391.843369] ? __lock_is_held+0xb5/0x140 [ 391.847561] ? __tun_detach+0x15c0/0x15c0 [ 391.851742] ? __tun_detach+0x15c0/0x15c0 [ 391.855911] tun_chr_close+0xe3/0x180 [ 391.859738] __fput+0x385/0xa30 [ 391.863043] ? get_max_files+0x20/0x20 [ 391.867059] ? ___might_sleep+0x1ed/0x300 [ 391.871226] ? arch_local_save_flags+0x40/0x40 [ 391.875835] ____fput+0x15/0x20 [ 391.879141] task_work_run+0x1e8/0x2a0 [ 391.883066] ? task_work_cancel+0x240/0x240 [ 391.887418] ? switch_task_namespaces+0xb8/0xd0 [ 391.892121] do_exit+0x1ad7/0x2610 [ 391.895692] ? mm_update_next_owner+0x990/0x990 [ 391.900494] ? print_usage_bug+0xc0/0xc0 [ 391.904607] ? __lock_acquire+0x7ec/0x4ec0 [ 391.908864] ? find_held_lock+0x36/0x1c0 [ 391.912952] ? __lock_acquire+0x7ec/0x4ec0 [ 391.917208] ? mark_held_locks+0x130/0x130 [ 391.921481] ? lock_acquire+0x1ed/0x520 [ 391.925481] ? mark_held_locks+0x130/0x130 [ 391.930063] ? arch_local_save_flags+0x40/0x40 [ 391.934663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.940238] ? __mutex_lock+0x872/0x1710 [ 391.944387] ? __switch_to_asm+0x40/0x70 [ 391.948606] ? __switch_to_asm+0x34/0x70 [ 391.952687] ? pipe_wait+0x266/0x2c0 [ 391.956428] ? mutex_trylock+0x2b0/0x2b0 [ 391.960618] ? graph_lock+0x170/0x170 [ 391.964523] ? find_held_lock+0x36/0x1c0 [ 391.968740] ? memset+0x31/0x40 [ 391.972044] ? find_held_lock+0x36/0x1c0 [ 391.976225] ? get_signal+0x95b/0x1980 [ 391.980135] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.984739] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.989263] do_group_exit+0x177/0x440 [ 391.993180] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.998657] ? __ia32_sys_exit+0x50/0x50 [ 392.002757] get_signal+0x8b0/0x1980 [ 392.006511] ? ptrace_notify+0x130/0x130 [ 392.010635] ? finish_wait+0x430/0x430 [ 392.014573] ? graph_lock+0x170/0x170 [ 392.018412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.023979] ? pipe_read+0x702/0x940 [ 392.027733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.033312] do_signal+0x9c/0x21e0 [ 392.036880] ? __vfs_read+0x11f/0x9b0 [ 392.040715] ? vfs_copy_file_range+0xb90/0xb90 [ 392.045329] ? setup_sigcontext+0x7d0/0x7d0 [ 392.049698] ? exit_to_usermode_loop+0x8c/0x380 [ 392.054514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.060127] exit_to_usermode_loop+0x2e5/0x380 [ 392.065036] ? syscall_slow_exit_work+0x520/0x520 [ 392.069936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.075518] do_syscall_64+0x6be/0x820 [ 392.079560] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 392.084975] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.089939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.094816] ? trace_hardirqs_off+0x300/0x300 [ 392.099344] ? prepare_exit_to_usermode+0x291/0x3b0 [ 392.104393] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.109269] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.114478] RIP: 0033:0x410e10 [ 392.117719] Code: Bad RIP value. [ 392.121095] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 392.128819] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 392.136404] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 392.143689] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 392.150977] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 392.158267] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 392.165728] warn_alloc_show_mem: 1 callbacks suppressed [ 392.165741] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 392.165743] Mem-Info: [ 392.165773] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 392.165773] active_file:19 inactive_file:16 isolated_file:0 [ 392.165773] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.165773] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 392.165773] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 392.165773] free:13785 free_pcp:397 free_cma:0 [ 392.171140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.171151] Call Trace: [ 392.178456] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.180876] [ 392.213712] Node 0 [ 392.223106] dump_stack+0x1c4/0x2b4 [ 392.225708] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 392.253302] ? dump_stack_print_info.cold.2+0x52/0x52 [ 392.255445] lowmem_reserve[]: [ 392.257742] warn_alloc.cold.118+0xb7/0x1bd [ 392.261348] 0 [ 392.286888] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.292086] 2815 [ 392.295395] ? lock_downgrade+0x900/0x900 [ 392.299706] 6318 [ 392.301569] ? trace_hardirqs_off+0xb8/0x300 [ 392.306388] 6318 [ 392.308480] ? trace_hardirqs_off+0xb8/0x300 [ 392.314715] __alloc_pages_slowpath+0x2667/0x2d80 [ 392.319102] Node 0 [ 392.321213] ? warn_alloc+0x120/0x120 [ 392.325628] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 392.330471] ? warn_alloc+0x120/0x120 [ 392.332694] lowmem_reserve[]: [ 392.336512] ? print_usage_bug+0xc0/0xc0 [ 392.363217] 0 [ 392.367175] ? warn_alloc+0x120/0x120 [ 392.370270] 0 [ 392.374496] ? print_usage_bug+0xc0/0xc0 [ 392.376291] 3503 [ 392.380101] ? __lock_acquire+0x7ec/0x4ec0 [ 392.381890] 3503 [ 392.385978] ? __lock_acquire+0x7ec/0x4ec0 [ 392.388039] Node 0 [ 392.392376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.394455] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 392.398679] ? should_fail+0x22d/0xd01 [ 392.400905] lowmem_reserve[]: [ 392.406486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.435013] 0 0 [ 392.438931] ? __lock_acquire+0x7ec/0x4ec0 [ 392.442027] 0 [ 392.447151] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.449112] 0 [ 392.453642] ? __lock_acquire+0x7ec/0x4ec0 [ 392.453660] ? should_fail+0x22d/0xd01 [ 392.460613] ? mark_held_locks+0x130/0x130 [ 392.462527] Node 0 [ 392.466897] ? mark_held_locks+0x130/0x130 [ 392.470766] DMA: 1*4kB [ 392.475025] ? graph_lock+0x170/0x170 [ 392.477249] (U) [ 392.481496] ? graph_lock+0x170/0x170 [ 392.484070] 0*8kB 0*16kB [ 392.487890] ? graph_lock+0x170/0x170 [ 392.489859] 1*32kB [ 392.493671] ? print_usage_bug+0xc0/0xc0 [ 392.496424] (U) [ 392.500327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.502578] 2*64kB [ 392.506661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.508628] (U) [ 392.514186] ? check_preemption_disabled+0x48/0x200 [ 392.516421] 1*128kB [ 392.521992] ? check_preemption_disabled+0x48/0x200 [ 392.523957] (U) [ 392.528995] ? __lock_is_held+0xb5/0x140 [ 392.531292] 1*256kB (U) [ 392.536334] __alloc_pages_nodemask+0xa80/0xde0 [ 392.538299] 0*512kB [ 392.542368] ? graph_lock+0x170/0x170 [ 392.545060] 1*1024kB [ 392.549768] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 392.552083] (U) [ 392.555894] ? graph_lock+0x170/0x170 [ 392.558380] 1*2048kB (M) [ 392.563441] ? find_held_lock+0x36/0x1c0 [ 392.565478] 3*4096kB [ 392.569302] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.572041] (M) [ 392.576114] ? lock_downgrade+0x900/0x900 [ 392.578505] = 15908kB [ 392.578514] Node 0 [ 392.583235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.585192] DMA32: 3*4kB [ 392.589363] cache_grow_begin+0x91/0x8c0 [ 392.591761] (M) [ 392.594011] ? do_raw_spin_unlock+0xa7/0x2f0 [ 392.599566] 1*8kB [ 392.602339] fallback_alloc+0x203/0x2e0 [ 392.606386] (M) [ 392.608574] ____cache_alloc_node+0x1c7/0x1e0 [ 392.612979] 3*16kB [ 392.615146] kmem_cache_alloc_node+0xe3/0x730 [ 392.619100] (UM) 3*32kB [ 392.621100] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.625596] (UM) [ 392.627855] __alloc_skb+0x119/0x770 [ 392.632330] 2*64kB (UM) [ 392.635025] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.639241] 5*128kB (UM) [ 392.641330] ? skb_scrub_packet+0x490/0x490 [ 392.645031] 3*256kB (M) [ 392.647727] ? lock_downgrade+0x900/0x900 [ 392.652996] 4*512kB [ 392.655770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.660078] (M) [ 392.662763] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.666895] 3*1024kB (UM) [ 392.669257] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.674885] 3*2048kB [ 392.676885] ? addrconf_rs_timer+0x6f0/0x6f0 [ 392.682320] (M) [ 392.685190] ndisc_alloc_skb+0x144/0x340 [ 392.690620] 3*4096kB [ 392.693134] ndisc_send_rs+0x331/0x6e0 [ 392.697528] (M) [ 392.699585] addrconf_rs_timer+0x3c0/0x6f0 [ 392.703628] = 25252kB [ 392.703636] Node 0 [ 392.706067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.709944] Normal: [ 392.711942] call_timer_fn+0x272/0x920 [ 392.716158] 1016*4kB [ 392.718607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.720834] (UME) [ 392.725090] ? process_timeout+0x40/0x40 [ 392.727490] 348*8kB [ 392.731510] ? find_held_lock+0x36/0x1c0 [ 392.731567] ? __run_timers+0x7da/0xc70 [ 392.733965] (UME) [ 392.738222] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.740569] 167*16kB [ 392.744646] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.746958] (UME) [ 392.751098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.751115] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 392.755173] 68*32kB [ 392.757336] ? trace_hardirqs_on+0xbd/0x310 [ 392.761820] (UME) [ 392.764245] ? kasan_check_read+0x11/0x20 [ 392.768745] 21*64kB [ 392.770914] ? __run_timers+0x7da/0xc70 [ 392.775703] (M) 6*128kB [ 392.780317] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.782628] (UM) [ 392.786979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.789109] 1*256kB [ 392.793270] __run_timers+0x7e5/0xc70 [ 392.795602] (U) [ 392.799622] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 392.802276] 0*512kB [ 392.807748] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 392.809805] 0*1024kB [ 392.814191] ? graph_lock+0x170/0x170 [ 392.816500] 0*2048kB 0*4096kB [ 392.820365] ? enqueue_hrtimer+0x1a5/0x560 [ 392.822337] = 14064kB [ 392.827730] ? lock_release+0x970/0x970 [ 392.830065] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 392.835092] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 392.837498] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 392.841316] ? find_held_lock+0x36/0x1c0 [ 392.844498] 503 total pagecache pages [ 392.848890] ? graph_lock+0x170/0x170 [ 392.851295] 0 pages in swap cache [ 392.855274] ? pvclock_read_flags+0x160/0x160 [ 392.864109] Swap cache stats: add 0, delete 0, find 0/0 [ 392.869311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.877872] Free swap = 0kB [ 392.881943] ? check_preemption_disabled+0x48/0x200 [ 392.885736] Total swap = 0kB [ 392.889795] ? __lock_is_held+0xb5/0x140 [ 392.893230] 1965979 pages RAM [ 392.897739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.903090] 0 pages HighMem/MovableOnly [ 392.903099] 343324 pages reserved [ 392.908670] ? check_preemption_disabled+0x48/0x200 [ 392.911679] 0 pages cma reserved [ 392.916776] run_timer_softirq+0x52/0xb0 [ 392.919876] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 392.923849] ? rcu_read_lock_sched_held+0x108/0x120 [ 392.923866] __do_softirq+0x30b/0xad8 [ 392.923892] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 392.927053] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 392.932568] ? pvclock_read_flags+0x160/0x160 [ 392.936530] syz-executor2 cpuset= [ 392.940028] ? lapic_next_event+0x5a/0x90 [ 392.945035] syz2 [ 392.948412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.952465] mems_allowed=0 [ 392.958964] ? check_preemption_disabled+0x48/0x200 [ 393.011088] ? check_preemption_disabled+0x48/0x200 [ 393.016137] ? kvm_clock_read+0x18/0x30 [ 393.020134] ? kvm_sched_clock_read+0x9/0x20 [ 393.024688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.030262] ? check_preemption_disabled+0x48/0x200 [ 393.035331] irq_exit+0x17f/0x1c0 [ 393.038827] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.043798] ? smp_reschedule_interrupt+0x109/0x650 [ 393.048859] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.054783] ? interrupt_entry+0xb5/0xf0 [ 393.059035] ? trace_hardirqs_off_caller+0xbb/0x300 [ 393.064078] ? trace_hardirqs_off_caller+0xbb/0x300 [ 393.069355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.074380] ? trace_hardirqs_off+0x300/0x300 [ 393.078894] ? trace_hardirqs_off+0x300/0x300 [ 393.083410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.089056] ? check_preemption_disabled+0x48/0x200 [ 393.094170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.099739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.104622] apic_timer_interrupt+0xf/0x20 [ 393.108869] [ 393.111126] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.116074] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 393.134995] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 393.142797] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.150089] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 393.157379] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 393.164664] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.172018] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 393.179353] skb_clone+0x1bb/0x500 [ 393.182917] ? skb_split+0x11e0/0x11e0 [ 393.186828] ? preempt_notifier_register+0x200/0x200 [ 393.191946] ? __switch_to_asm+0x34/0x70 [ 393.196020] ? __switch_to_asm+0x34/0x70 [ 393.200097] ? __switch_to_asm+0x40/0x70 [ 393.204172] ? __switch_to_asm+0x34/0x70 [ 393.208246] ? __switch_to_asm+0x40/0x70 [ 393.212323] ? __switch_to_asm+0x40/0x70 [ 393.216396] ? __switch_to_asm+0x34/0x70 [ 393.220471] ? __switch_to_asm+0x34/0x70 [ 393.224578] ? __switch_to_asm+0x40/0x70 [ 393.228656] ? __switch_to_asm+0x34/0x70 [ 393.232828] bpf_clone_redirect+0xb9/0x490 [ 393.237089] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 393.242214] ? __sched_text_start+0x8/0x8 [ 393.246377] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.251162] ? find_held_lock+0x36/0x1c0 [ 393.255251] ? lock_acquire+0x1ed/0x520 [ 393.259369] ? bpf_test_run+0x32e/0x5a0 [ 393.263369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.268922] ? check_preemption_disabled+0x48/0x200 [ 393.273963] ? kasan_check_read+0x11/0x20 [ 393.278217] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.283793] ? rcu_bh_qs+0xc0/0xc0 [ 393.287355] ? preempt_schedule+0x4d/0x60 [ 393.291524] ? ___preempt_schedule+0x16/0x18 [ 393.296183] ? bpf_test_run+0x1c0/0x5a0 [ 393.300182] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 393.305148] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.309698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.315252] ? bpf_test_init.isra.9+0x70/0x100 [ 393.319858] ? bpf_prog_test_run_skb+0x634/0xb40 [ 393.324726] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 393.329606] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.335247] ? fput+0x130/0x1a0 [ 393.338708] ? __bpf_prog_get+0x9b/0x290 [ 393.342791] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 393.347654] ? bpf_prog_test_run+0x130/0x1a0 [ 393.352086] ? __x64_sys_bpf+0x3d8/0x510 [ 393.356168] ? bpf_prog_get+0x20/0x20 [ 393.360011] ? do_syscall_64+0x1b9/0x820 [ 393.364090] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.369473] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.374425] ? trace_hardirqs_off+0x300/0x300 [ 393.378944] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.383976] ? recalc_sigpending_tsk+0x180/0x180 [ 393.388747] ? kasan_check_write+0x14/0x20 [ 393.393007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.397946] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.403442] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 393.403570] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.410652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.410661] Call Trace: [ 393.417283] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.426522] [ 393.429163] syz-executor4 cpuset= [ 393.439658] dump_stack+0x1c4/0x2b4 [ 393.441803] syz4 [ 393.445278] ? dump_stack_print_info.cold.2+0x52/0x52 [ 393.448898] mems_allowed=0 [ 393.450893] warn_alloc.cold.118+0xb7/0x1bd [ 393.463359] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.468238] ? lock_downgrade+0x900/0x900 [ 393.472416] ? trace_hardirqs_off+0xb8/0x300 [ 393.476856] ? trace_hardirqs_off+0xb8/0x300 [ 393.481308] __alloc_pages_slowpath+0x2667/0x2d80 [ 393.486206] ? warn_alloc+0x120/0x120 [ 393.490031] ? warn_alloc+0x120/0x120 [ 393.493869] ? print_usage_bug+0xc0/0xc0 [ 393.497962] ? warn_alloc+0x120/0x120 [ 393.501872] ? print_usage_bug+0xc0/0xc0 [ 393.506047] ? __lock_acquire+0x7ec/0x4ec0 [ 393.510305] ? __lock_acquire+0x7ec/0x4ec0 [ 393.514589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.520150] ? should_fail+0x22d/0xd01 [ 393.524069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.529191] ? __lock_acquire+0x7ec/0x4ec0 [ 393.533449] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.538590] ? __lock_acquire+0x7ec/0x4ec0 [ 393.542843] ? should_fail+0x22d/0xd01 [ 393.546761] ? mark_held_locks+0x130/0x130 [ 393.551017] ? mark_held_locks+0x130/0x130 [ 393.555275] ? graph_lock+0x170/0x170 [ 393.559093] ? graph_lock+0x170/0x170 [ 393.562911] ? graph_lock+0x170/0x170 [ 393.566729] ? print_usage_bug+0xc0/0xc0 [ 393.570957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.576837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.582393] ? check_preemption_disabled+0x48/0x200 [ 393.587426] ? check_preemption_disabled+0x48/0x200 [ 393.592470] ? __lock_is_held+0xb5/0x140 [ 393.596584] __alloc_pages_nodemask+0xa80/0xde0 [ 393.601351] ? graph_lock+0x170/0x170 [ 393.605177] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 393.610213] ? graph_lock+0x170/0x170 [ 393.614051] ? find_held_lock+0x36/0x1c0 [ 393.618156] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.622861] ? lock_downgrade+0x900/0x900 [ 393.627136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.632721] cache_grow_begin+0x91/0x8c0 [ 393.636816] ? do_raw_spin_unlock+0xa7/0x2f0 [ 393.641256] fallback_alloc+0x203/0x2e0 [ 393.645680] ____cache_alloc_node+0x1c7/0x1e0 [ 393.650210] kmem_cache_alloc_node+0xe3/0x730 [ 393.654819] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.659089] __alloc_skb+0x119/0x770 [ 393.662826] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.668126] ? skb_scrub_packet+0x490/0x490 [ 393.672466] ? lock_downgrade+0x900/0x900 [ 393.676642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.682203] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.687689] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.693164] ? addrconf_rs_timer+0x6f0/0x6f0 [ 393.697631] ndisc_alloc_skb+0x144/0x340 [ 393.701718] ndisc_send_rs+0x331/0x6e0 [ 393.705634] addrconf_rs_timer+0x3c0/0x6f0 [ 393.709897] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.714166] call_timer_fn+0x272/0x920 [ 393.718163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.722419] ? process_timeout+0x40/0x40 [ 393.726604] ? find_held_lock+0x36/0x1c0 [ 393.730703] ? mark_held_locks+0xc7/0x130 [ 393.734876] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.739385] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.743895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.748149] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 393.752754] ? trace_hardirqs_on+0xbd/0x310 [ 393.757093] ? kasan_check_read+0x11/0x20 [ 393.761259] ? __run_timers+0x7da/0xc70 [ 393.765250] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.770729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.775069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.779326] __run_timers+0x7e5/0xc70 [ 393.783163] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 393.788573] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.793615] ? graph_lock+0x170/0x170 [ 393.797437] ? print_usage_bug+0xc0/0xc0 [ 393.801511] ? lock_release+0x970/0x970 [ 393.805565] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.810855] ? find_held_lock+0x36/0x1c0 [ 393.814939] ? graph_lock+0x170/0x170 [ 393.818762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.824316] ? check_preemption_disabled+0x48/0x200 [ 393.829361] ? __lock_is_held+0xb5/0x140 [ 393.833440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.838991] ? check_preemption_disabled+0x48/0x200 [ 393.844031] run_timer_softirq+0x52/0xb0 [ 393.848123] ? rcu_read_lock_sched_held+0x108/0x120 [ 393.853172] __do_softirq+0x30b/0xad8 [ 393.857000] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 393.862126] ? pvclock_read_flags+0x160/0x160 [ 393.866799] ? lapic_next_event+0x5a/0x90 [ 393.870963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.876644] ? check_preemption_disabled+0x48/0x200 [ 393.881687] ? check_preemption_disabled+0x48/0x200 [ 393.886726] ? kvm_clock_read+0x18/0x30 [ 393.890717] ? kvm_sched_clock_read+0x9/0x20 [ 393.895144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.900695] ? check_preemption_disabled+0x48/0x200 [ 393.905742] irq_exit+0x17f/0x1c0 [ 393.909215] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.914077] ? smp_reschedule_interrupt+0x109/0x650 [ 393.919117] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.925019] ? interrupt_entry+0xb5/0xf0 [ 393.929100] ? trace_hardirqs_off_caller+0xbb/0x300 [ 393.934134] ? trace_hardirqs_off_caller+0xbb/0x300 [ 393.939172] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.944037] ? trace_hardirqs_off+0x300/0x300 [ 393.948578] ? trace_hardirqs_off+0x300/0x300 [ 393.953184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.958811] ? check_preemption_disabled+0x48/0x200 [ 393.963851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.969416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.974289] apic_timer_interrupt+0xf/0x20 [ 393.978564] [ 393.980831] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 393.986230] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 394.005164] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 394.012911] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 394.020215] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 394.027508] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 394.034854] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 394.042244] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 394.049594] ? arch_local_irq_restore+0x45/0x52 [ 394.054383] dump_stack+0x26a/0x2b4 [ 394.058033] ? dump_stack_print_info.cold.2+0x52/0x52 [ 394.063336] ? mark_held_locks+0x130/0x130 [ 394.067642] ? mark_held_locks+0x130/0x130 [ 394.071989] dump_header+0x27b/0xf72 [ 394.075737] ? pagefault_out_of_memory+0x197/0x197 [ 394.080691] ? mark_held_locks+0x130/0x130 [ 394.084942] ? __lock_acquire+0x7ec/0x4ec0 [ 394.089196] ? print_usage_bug+0xc0/0xc0 [ 394.093283] ? graph_lock+0x170/0x170 [ 394.097098] ? graph_lock+0x170/0x170 [ 394.100923] ? print_usage_bug+0xc0/0xc0 [ 394.105000] ? print_usage_bug+0xc0/0xc0 [ 394.109089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.114650] ? find_held_lock+0x36/0x1c0 [ 394.118757] ? mark_held_locks+0xc7/0x130 [ 394.122926] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.128046] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.133183] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.137785] ? trace_hardirqs_on+0xbd/0x310 [ 394.142193] ? kasan_check_read+0x11/0x20 [ 394.146439] ? ___ratelimit+0x36f/0x655 [ 394.150523] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.156026] ? trace_hardirqs_on+0x310/0x310 [ 394.160464] ? lock_downgrade+0x900/0x900 [ 394.164637] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.169762] ? ___ratelimit+0xaa/0x655 [ 394.173673] ? idr_get_free+0xec0/0xec0 [ 394.177859] ? kasan_check_write+0x14/0x20 [ 394.182118] ? do_raw_spin_lock+0xc1/0x200 [ 394.186382] oom_kill_process.cold.27+0x10/0x903 [ 394.191231] ? graph_lock+0x170/0x170 [ 394.195050] ? _raw_spin_unlock+0x2c/0x50 [ 394.199223] ? oom_badness+0xe6/0xaa0 [ 394.203055] ? oom_evaluate_task+0x540/0x540 [ 394.207506] ? find_held_lock+0x36/0x1c0 [ 394.211638] ? out_of_memory+0x974/0x14c0 [ 394.215910] ? lock_downgrade+0x900/0x900 [ 394.220175] ? check_preemption_disabled+0x48/0x200 [ 394.225240] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 394.231142] ? kasan_check_read+0x11/0x20 [ 394.235466] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 394.240773] ? rcu_bh_qs+0xc0/0xc0 [ 394.244424] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 394.249462] ? oom_evaluate_task+0x302/0x540 [ 394.253893] out_of_memory+0xa86/0x14c0 [ 394.257896] ? oom_killer_disable+0x3a0/0x3a0 [ 394.262498] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 394.267449] ? __mutex_add_waiter+0x2a0/0x2a0 [ 394.271984] __alloc_pages_slowpath+0x2318/0x2d80 [ 394.276888] ? warn_alloc+0x120/0x120 [ 394.280716] ? lock_downgrade+0x900/0x900 [ 394.284892] ? print_usage_bug+0xc0/0xc0 [ 394.289067] ? warn_alloc+0x120/0x120 [ 394.292886] ? print_usage_bug+0xc0/0xc0 [ 394.296966] ? debug_check_no_obj_freed+0x305/0x58d [ 394.302000] ? print_usage_bug+0xc0/0xc0 [ 394.306171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.311729] ? should_fail+0x22d/0xd01 [ 394.315641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.320766] ? __lock_acquire+0x7ec/0x4ec0 [ 394.325050] ? __lock_is_held+0xb5/0x140 [ 394.329150] ? graph_lock+0x170/0x170 [ 394.332976] ? ___might_sleep+0x1ed/0x300 [ 394.337144] ? lock_release+0x970/0x970 [ 394.341138] ? arch_local_save_flags+0x40/0x40 [ 394.345753] ? __might_sleep+0x95/0x190 [ 394.349750] __alloc_pages_nodemask+0xa80/0xde0 [ 394.354441] ? graph_lock+0x170/0x170 [ 394.358266] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 394.363294] ? graph_lock+0x170/0x170 [ 394.367130] ? mark_held_locks+0xc7/0x130 [ 394.371304] ? find_held_lock+0x36/0x1c0 [ 394.375391] ? cache_grow_begin+0x5a4/0x8c0 [ 394.379736] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.384341] ? trace_hardirqs_on+0xbd/0x310 [ 394.388684] ? fallback_alloc+0x203/0x2e0 [ 394.392854] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.398326] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 394.404073] cache_grow_begin+0x91/0x8c0 [ 394.408158] ? do_raw_spin_unlock+0xa7/0x2f0 [ 394.412615] fallback_alloc+0x203/0x2e0 [ 394.416624] ____cache_alloc_node+0x1c7/0x1e0 [ 394.421143] kmem_cache_alloc_node_trace+0xe7/0x740 [ 394.426296] __kmalloc_node_track_caller+0x33/0x70 [ 394.431251] __kmalloc_reserve.isra.39+0x41/0xe0 [ 394.436032] __alloc_skb+0x155/0x770 [ 394.439774] ? skb_scrub_packet+0x490/0x490 [ 394.444119] ? if_nlmsg_size+0x5d1/0xbb0 [ 394.448207] ? nla_put_ifalias+0x170/0x170 [ 394.452471] ? softnet_seq_show+0x470/0x470 [ 394.456810] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 394.461848] ? netif_tx_stop_all_queues+0xd9/0x110 [ 394.466801] rtmsg_ifinfo_build_skb+0x74/0x190 [ 394.471407] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 394.476277] rtmsg_ifinfo+0x8c/0xa0 [ 394.480002] dev_close_many+0x3be/0x860 [ 394.484101] ? unlist_netdevice+0x670/0x670 [ 394.488444] ? find_held_lock+0x36/0x1c0 [ 394.492561] ? __queue_work+0x6be/0x1440 [ 394.496648] ? lock_downgrade+0x900/0x900 [ 394.500841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.506399] ? rtnl_is_locked+0xb5/0xf0 [ 394.510393] ? rtnl_trylock+0x20/0x20 [ 394.514212] ? do_raw_spin_unlock+0xa7/0x2f0 [ 394.518644] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 394.523290] rollback_registered_many+0x56e/0x1240 [ 394.528322] ? generic_xdp_install+0x4c0/0x4c0 [ 394.532934] ? max_active_store+0x170/0x170 [ 394.537348] ? graph_lock+0x170/0x170 [ 394.541168] ? print_usage_bug+0xc0/0xc0 [ 394.545247] ? print_usage_bug+0xc0/0xc0 [ 394.549330] ? kfree_skbmem+0x154/0x230 [ 394.553321] ? graph_lock+0x170/0x170 [ 394.557140] ? print_usage_bug+0xc0/0xc0 [ 394.561311] ? find_held_lock+0x36/0x1c0 [ 394.565402] ? mark_held_locks+0xc7/0x130 [ 394.569600] rollback_registered+0x1e9/0x420 [ 394.574030] ? lockdep_hardirqs_on+0x351/0x5c0 [ 394.578634] ? rollback_registered_many+0x1240/0x1240 [ 394.583849] ? trace_hardirqs_on+0xbd/0x310 [ 394.588204] ? linkwatch_schedule_work+0x150/0x170 [ 394.593165] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.598650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.604214] ? rtnl_is_locked+0xb5/0xf0 [ 394.608367] ? rtnl_trylock+0x20/0x20 [ 394.612192] ? queue_delayed_work_on+0x130/0x1f0 [ 394.616981] unregister_netdevice_queue+0x321/0x5e0 [ 394.622113] ? rollback_registered+0x420/0x420 [ 394.626721] ? linkwatch_schedule_work+0x170/0x170 [ 394.631671] ? tun_show_owner+0x170/0x170 [ 394.635953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.641612] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 394.647239] ? __tun_detach+0x6ba/0x15c0 [ 394.651331] __tun_detach+0x11b8/0x15c0 [ 394.655326] ? __call_rcu.constprop.69+0x429/0xbc0 [ 394.660283] ? tun_attach+0x1770/0x1770 [ 394.664279] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.669839] ? check_preemption_disabled+0x48/0x200 [ 394.674975] ? graph_lock+0x170/0x170 [ 394.678795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.684352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.689907] ? locks_remove_file+0x3c6/0x5c0 [ 394.694463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.700160] ? ima_file_free+0x132/0x650 [ 394.704250] ? __lock_is_held+0xb5/0x140 [ 394.708336] ? __tun_detach+0x15c0/0x15c0 [ 394.712509] ? __tun_detach+0x15c0/0x15c0 [ 394.716713] tun_chr_close+0xe3/0x180 [ 394.720574] __fput+0x385/0xa30 [ 394.723884] ? get_max_files+0x20/0x20 [ 394.727793] ? ___might_sleep+0x1ed/0x300 [ 394.731965] ? arch_local_save_flags+0x40/0x40 [ 394.736661] ____fput+0x15/0x20 [ 394.739960] task_work_run+0x1e8/0x2a0 [ 394.743941] ? task_work_cancel+0x240/0x240 [ 394.748289] ? switch_task_namespaces+0xb8/0xd0 [ 394.752980] do_exit+0x1ad7/0x2610 [ 394.756580] ? mm_update_next_owner+0x990/0x990 [ 394.761271] ? print_usage_bug+0xc0/0xc0 [ 394.765361] ? __lock_acquire+0x7ec/0x4ec0 [ 394.769617] ? find_held_lock+0x36/0x1c0 [ 394.773705] ? __lock_acquire+0x7ec/0x4ec0 [ 394.778498] ? mark_held_locks+0x130/0x130 [ 394.782840] ? lock_acquire+0x1ed/0x520 [ 394.786839] ? mark_held_locks+0x130/0x130 [ 394.791090] ? arch_local_save_flags+0x40/0x40 [ 394.795689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.801262] ? __mutex_lock+0x872/0x1710 [ 394.805342] ? __switch_to_asm+0x40/0x70 [ 394.809420] ? __switch_to_asm+0x34/0x70 [ 394.813501] ? pipe_wait+0x266/0x2c0 [ 394.817275] ? mutex_trylock+0x2b0/0x2b0 [ 394.821628] ? graph_lock+0x170/0x170 [ 394.825450] ? find_held_lock+0x36/0x1c0 [ 394.829563] ? memset+0x31/0x40 [ 394.832891] ? find_held_lock+0x36/0x1c0 [ 394.836978] ? get_signal+0x95b/0x1980 [ 394.840886] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.845401] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.849923] do_group_exit+0x177/0x440 [ 394.853837] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.859306] ? __ia32_sys_exit+0x50/0x50 [ 394.863398] get_signal+0x8b0/0x1980 [ 394.867144] ? ptrace_notify+0x130/0x130 [ 394.871226] ? finish_wait+0x430/0x430 [ 394.875133] ? graph_lock+0x170/0x170 [ 394.878960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.884516] ? pipe_read+0x702/0x940 [ 394.888276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.893843] do_signal+0x9c/0x21e0 [ 394.897405] ? __vfs_read+0x11f/0x9b0 [ 394.901231] ? vfs_copy_file_range+0xb90/0xb90 [ 394.905829] ? setup_sigcontext+0x7d0/0x7d0 [ 394.910189] ? exit_to_usermode_loop+0x8c/0x380 [ 394.914894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.920613] exit_to_usermode_loop+0x2e5/0x380 [ 394.925221] ? syscall_slow_exit_work+0x520/0x520 [ 394.930085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.935653] do_syscall_64+0x6be/0x820 [ 394.939586] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 394.944978] ? syscall_return_slowpath+0x5e0/0x5e0 [ 394.949921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.954783] ? trace_hardirqs_off+0x300/0x300 [ 394.959303] ? prepare_exit_to_usermode+0x291/0x3b0 [ 394.964341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.969211] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.974415] RIP: 0033:0x410e10 [ 394.977630] Code: Bad RIP value. [ 394.981180] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 394.988906] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 394.996190] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 395.003471] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 395.010757] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 395.018128] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 395.025447] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 395.025453] warn_alloc_show_mem: 1 callbacks suppressed [ 395.025461] Mem-Info: [ 395.032759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.038142] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 395.038142] active_file:19 inactive_file:16 isolated_file:0 [ 395.038142] unevictable:0 dirty:0 writeback:0 unstable:0 [ 395.038142] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 395.038142] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 395.038142] free:13785 free_pcp:397 free_cma:0 [ 395.040530] Call Trace: [ 395.049962] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 395.082828] [ 395.085418] Node 0 [ 395.113193] dump_stack+0x1c4/0x2b4 [ 395.115356] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 395.117674] ? dump_stack_print_info.cold.2+0x52/0x52 [ 395.121379] lowmem_reserve[]: [ 395.146994] warn_alloc.cold.118+0xb7/0x1bd [ 395.152163] 0 2815 [ 395.155291] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.159603] 6318 [ 395.161860] ? lock_downgrade+0x900/0x900 [ 395.166692] 6318 [ 395.168771] ? trace_hardirqs_off+0xb8/0x300 [ 395.172905] Node 0 [ 395.174983] ? trace_hardirqs_off+0xb8/0x300 [ 395.179403] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 395.181652] __alloc_pages_slowpath+0x2667/0x2d80 [ 395.186041] lowmem_reserve[]: 0 [ 395.213246] ? warn_alloc+0x120/0x120 [ 395.218064] 0 [ 395.221352] ? trace_hardirqs_on+0x310/0x310 [ 395.225142] 3503 [ 395.226959] ? warn_alloc+0x120/0x120 [ 395.231353] 3503 [ 395.233435] ? print_usage_bug+0xc0/0xc0 [ 395.237293] Node 0 [ 395.239369] ? warn_alloc+0x120/0x120 [ 395.243445] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 395.245667] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 395.249449] lowmem_reserve[]: 0 [ 395.278104] ? print_usage_bug+0xc0/0xc0 [ 395.283112] 0 [ 395.286406] ? __lock_acquire+0x7ec/0x4ec0 [ 395.290450] 0 0 [ 395.292401] ? __lock_acquire+0x7ec/0x4ec0 [ 395.296629] Node 0 [ 395.298623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.302855] DMA: [ 395.305105] ? should_fail+0x22d/0xd01 [ 395.310631] 1*4kB [ 395.312708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.316596] (U) [ 395.318758] ? __lock_acquire+0x7ec/0x4ec0 [ 395.323849] 0*8kB 0*16kB [ 395.325848] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.330070] 1*32kB (U) [ 395.332846] ? __lock_acquire+0x7ec/0x4ec0 [ 395.337934] 2*64kB (U) [ 395.340565] ? should_fail+0x22d/0xd01 [ 395.340582] ? print_usage_bug+0xc0/0xc0 [ 395.344939] 1*128kB [ 395.347574] ? mark_held_locks+0x130/0x130 [ 395.351440] (U) [ 395.355511] ? mark_held_locks+0x130/0x130 [ 395.357822] 1*256kB (U) [ 395.362080] ? graph_lock+0x170/0x170 [ 395.364047] 0*512kB 1*1024kB [ 395.368303] ? print_usage_bug+0xc0/0xc0 [ 395.370965] (U) [ 395.374776] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 395.377873] 1*2048kB [ 395.381943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.383908] (M) [ 395.388803] ? check_preemption_disabled+0x48/0x200 [ 395.391205] 3*4096kB [ 395.396750] ? check_preemption_disabled+0x48/0x200 [ 395.398716] (M) [ 395.403748] ? __lock_is_held+0xb5/0x140 [ 395.406136] = 15908kB [ 395.406144] Node 0 [ 395.411174] __alloc_pages_nodemask+0xa80/0xde0 [ 395.413139] DMA32: [ 395.417209] ? graph_lock+0x170/0x170 [ 395.419612] 3*4kB [ 395.421856] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 395.426513] (M) [ 395.428793] ? graph_lock+0x170/0x170 [ 395.432698] 1*8kB [ 395.434866] ? find_held_lock+0x36/0x1c0 [ 395.439866] (M) [ 395.441861] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.445731] 3*16kB [ 395.447888] ? lock_downgrade+0x900/0x900 [ 395.451939] (UM) [ 395.453930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.458610] 3*32kB (UM) [ 395.460870] cache_grow_begin+0x91/0x8c0 [ 395.465002] 2*64kB (UM) [ 395.467087] ? do_raw_spin_unlock+0xa7/0x2f0 [ 395.472614] 5*128kB (UM) [ 395.475397] fallback_alloc+0x203/0x2e0 [ 395.479448] 3*256kB [ 395.482136] ____cache_alloc_node+0x1c7/0x1e0 [ 395.486635] (M) [ 395.489408] kmem_cache_alloc_node+0xe3/0x730 [ 395.493363] 4*512kB (M) [ 395.495708] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.500191] 3*1024kB (UM) [ 395.502194] __alloc_skb+0x119/0x770 [ 395.506672] 3*2048kB (M) [ 395.509437] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.513731] 3*4096kB [ 395.516616] ? skb_scrub_packet+0x490/0x490 [ 395.520315] (M) [ 395.523087] ? lock_downgrade+0x900/0x900 [ 395.528352] = 25252kB [ 395.530779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.535088] Node 0 [ 395.537077] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.537095] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.541232] Normal: 1016*4kB [ 395.543665] ? addrconf_rs_timer+0x6f0/0x6f0 [ 395.549190] (UME) [ 395.551450] ndisc_alloc_skb+0x144/0x340 [ 395.557092] 348*8kB [ 395.562586] ndisc_send_rs+0x331/0x6e0 [ 395.565679] (UME) [ 395.570191] addrconf_rs_timer+0x3c0/0x6f0 [ 395.572414] 167*16kB [ 395.576486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.578869] (UME) [ 395.582774] call_timer_fn+0x272/0x920 [ 395.584909] 68*32kB [ 395.589186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.591720] (UME) [ 395.595981] ? process_timeout+0x40/0x40 [ 395.598119] 21*64kB [ 395.602017] ? find_held_lock+0x36/0x1c0 [ 395.604332] (M) [ 395.608706] ? __run_timers+0x7da/0xc70 [ 395.610839] 6*128kB (UM) [ 395.614923] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.617233] 1*256kB (U) [ 395.621401] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.623386] 0*512kB 0*1024kB [ 395.627406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.627424] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 395.630171] 0*2048kB 0*4096kB [ 395.634689] ? trace_hardirqs_on+0xbd/0x310 [ 395.637349] = 14064kB [ 395.641851] ? kasan_check_read+0x11/0x20 [ 395.645374] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.649708] ? __run_timers+0x7da/0xc70 [ 395.654287] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.657608] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.661919] 503 total pagecache pages [ 395.664428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.668743] 0 pages in swap cache [ 395.677611] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.681595] Swap cache stats: add 0, delete 0, find 0/0 [ 395.690182] __run_timers+0x7e5/0xc70 [ 395.695622] Free swap = 0kB [ 395.699446] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 395.703652] Total swap = 0kB [ 395.703661] 1965979 pages RAM [ 395.707127] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.711345] 0 pages HighMem/MovableOnly [ 395.711354] 343324 pages reserved [ 395.716727] ? graph_lock+0x170/0x170 [ 395.720602] 0 pages cma reserved [ 395.720691] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.723643] ? enqueue_hrtimer+0x1a5/0x560 [ 395.723656] ? lock_release+0x970/0x970 [ 395.723674] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.729108] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.732193] ? find_held_lock+0x36/0x1c0 [ 395.735805] syz-executor2 cpuset=syz2 mems_allowed=0 [ 395.795115] ? graph_lock+0x170/0x170 [ 395.798934] ? pvclock_read_flags+0x160/0x160 [ 395.803442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.808991] ? check_preemption_disabled+0x48/0x200 [ 395.814028] ? __lock_is_held+0xb5/0x140 [ 395.818099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.823641] ? check_preemption_disabled+0x48/0x200 [ 395.828674] run_timer_softirq+0x52/0xb0 [ 395.832746] ? rcu_read_lock_sched_held+0x108/0x120 [ 395.837786] __do_softirq+0x30b/0xad8 [ 395.841619] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 395.846737] ? pvclock_read_flags+0x160/0x160 [ 395.851241] ? lapic_next_event+0x5a/0x90 [ 395.855393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.860930] ? check_preemption_disabled+0x48/0x200 [ 395.865945] ? check_preemption_disabled+0x48/0x200 [ 395.870969] ? kvm_clock_read+0x18/0x30 [ 395.874944] ? kvm_sched_clock_read+0x9/0x20 [ 395.879355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.884891] ? check_preemption_disabled+0x48/0x200 [ 395.889921] irq_exit+0x17f/0x1c0 [ 395.893378] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.898221] ? smp_reschedule_interrupt+0x109/0x650 [ 395.903243] ? smp_call_function_single_interrupt+0x650/0x650 [ 395.909133] ? interrupt_entry+0xb5/0xf0 [ 395.913194] ? trace_hardirqs_off_caller+0xbb/0x300 [ 395.918213] ? trace_hardirqs_off_caller+0xbb/0x300 [ 395.923237] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.928080] ? trace_hardirqs_off+0x300/0x300 [ 395.932579] ? trace_hardirqs_off+0x300/0x300 [ 395.937079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.942621] ? check_preemption_disabled+0x48/0x200 [ 395.947640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.953189] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.958045] apic_timer_interrupt+0xf/0x20 [ 395.962274] [ 395.964514] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 395.969451] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 395.988358] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 395.996071] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 396.003342] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 396.010608] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 396.017878] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 396.025150] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 396.032468] skb_clone+0x1bb/0x500 [ 396.036012] ? skb_split+0x11e0/0x11e0 [ 396.039903] ? preempt_notifier_register+0x200/0x200 [ 396.045005] ? __switch_to_asm+0x34/0x70 [ 396.049067] ? __switch_to_asm+0x34/0x70 [ 396.053127] ? __switch_to_asm+0x40/0x70 [ 396.057187] ? __switch_to_asm+0x34/0x70 [ 396.061246] ? __switch_to_asm+0x40/0x70 [ 396.065324] ? __switch_to_asm+0x40/0x70 [ 396.069402] ? __switch_to_asm+0x34/0x70 [ 396.073470] ? __switch_to_asm+0x34/0x70 [ 396.077529] ? __switch_to_asm+0x40/0x70 [ 396.081600] ? __switch_to_asm+0x34/0x70 [ 396.085675] bpf_clone_redirect+0xb9/0x490 [ 396.089921] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 396.094949] ? __sched_text_start+0x8/0x8 [ 396.099101] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.103963] ? find_held_lock+0x36/0x1c0 [ 396.108033] ? lock_acquire+0x1ed/0x520 [ 396.112009] ? bpf_test_run+0x32e/0x5a0 [ 396.115986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.121522] ? check_preemption_disabled+0x48/0x200 [ 396.126583] ? kasan_check_read+0x11/0x20 [ 396.130736] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 396.136018] ? rcu_bh_qs+0xc0/0xc0 [ 396.139572] ? preempt_schedule+0x4d/0x60 [ 396.143726] ? ___preempt_schedule+0x16/0x18 [ 396.148146] ? bpf_test_run+0x1c0/0x5a0 [ 396.152123] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 396.156973] ? netlink_diag_dump+0x2a0/0x2a0 [ 396.161385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.166920] ? bpf_test_init.isra.9+0x70/0x100 [ 396.171507] ? bpf_prog_test_run_skb+0x634/0xb40 [ 396.176286] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 396.181129] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 396.186670] ? fput+0x130/0x1a0 [ 396.189950] ? __bpf_prog_get+0x9b/0x290 [ 396.194013] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 396.198858] ? bpf_prog_test_run+0x130/0x1a0 [ 396.203270] ? __x64_sys_bpf+0x3d8/0x510 [ 396.207331] ? bpf_prog_get+0x20/0x20 [ 396.211158] ? do_syscall_64+0x1b9/0x820 [ 396.215218] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 396.220585] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.225517] ? trace_hardirqs_off+0x300/0x300 [ 396.230021] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 396.235035] ? recalc_sigpending_tsk+0x180/0x180 [ 396.239792] ? kasan_check_write+0x14/0x20 [ 396.244032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.248884] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.254268] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 396.254354] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.261458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.261467] Call Trace: [ 396.268044] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.277305] [ 396.279889] syz-executor4 cpuset= [ 396.290367] dump_stack+0x1c4/0x2b4 [ 396.292499] syz4 [ 396.295950] ? dump_stack_print_info.cold.2+0x52/0x52 [ 396.299565] mems_allowed=0 [ 396.301543] warn_alloc.cold.118+0xb7/0x1bd [ 396.313931] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.318780] ? lock_downgrade+0x900/0x900 [ 396.322936] ? trace_hardirqs_off+0xb8/0x300 [ 396.327355] ? trace_hardirqs_off+0xb8/0x300 [ 396.331796] __alloc_pages_slowpath+0x2667/0x2d80 [ 396.336675] ? warn_alloc+0x120/0x120 [ 396.340482] ? warn_alloc+0x120/0x120 [ 396.344287] ? print_usage_bug+0xc0/0xc0 [ 396.348348] ? warn_alloc+0x120/0x120 [ 396.352153] ? print_usage_bug+0xc0/0xc0 [ 396.356221] ? __lock_acquire+0x7ec/0x4ec0 [ 396.360461] ? __lock_acquire+0x7ec/0x4ec0 [ 396.364702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.370242] ? should_fail+0x22d/0xd01 [ 396.374136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.379241] ? __lock_acquire+0x7ec/0x4ec0 [ 396.383481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.388600] ? __lock_acquire+0x7ec/0x4ec0 [ 396.392850] ? should_fail+0x22d/0xd01 [ 396.396747] ? mark_held_locks+0x130/0x130 [ 396.400988] ? mark_held_locks+0x130/0x130 [ 396.405226] ? graph_lock+0x170/0x170 [ 396.409025] ? graph_lock+0x170/0x170 [ 396.412828] ? graph_lock+0x170/0x170 [ 396.416631] ? print_usage_bug+0xc0/0xc0 [ 396.420691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.426227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.431763] ? check_preemption_disabled+0x48/0x200 [ 396.436777] ? check_preemption_disabled+0x48/0x200 [ 396.441807] ? __lock_is_held+0xb5/0x140 [ 396.445875] __alloc_pages_nodemask+0xa80/0xde0 [ 396.450554] ? graph_lock+0x170/0x170 [ 396.454361] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 396.459376] ? graph_lock+0x170/0x170 [ 396.463192] ? find_held_lock+0x36/0x1c0 [ 396.467269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.471938] ? lock_downgrade+0x900/0x900 [ 396.476103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.481666] cache_grow_begin+0x91/0x8c0 [ 396.485731] ? do_raw_spin_unlock+0xa7/0x2f0 [ 396.490150] fallback_alloc+0x203/0x2e0 [ 396.494134] ____cache_alloc_node+0x1c7/0x1e0 [ 396.498639] kmem_cache_alloc_node+0xe3/0x730 [ 396.503139] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.507385] __alloc_skb+0x119/0x770 [ 396.511107] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 396.516389] ? skb_scrub_packet+0x490/0x490 [ 396.520714] ? lock_downgrade+0x900/0x900 [ 396.524875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.530419] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.535915] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.541371] ? addrconf_rs_timer+0x6f0/0x6f0 [ 396.545795] ndisc_alloc_skb+0x144/0x340 [ 396.549866] ndisc_send_rs+0x331/0x6e0 [ 396.553764] addrconf_rs_timer+0x3c0/0x6f0 [ 396.558011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.562265] call_timer_fn+0x272/0x920 [ 396.566157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.570400] ? process_timeout+0x40/0x40 [ 396.574465] ? find_held_lock+0x36/0x1c0 [ 396.578558] ? mark_held_locks+0xc7/0x130 [ 396.582727] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.587229] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.591732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.595970] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 396.600565] ? trace_hardirqs_on+0xbd/0x310 [ 396.604892] ? kasan_check_read+0x11/0x20 [ 396.609045] ? __run_timers+0x7da/0xc70 [ 396.613033] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.618499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.622741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.626976] __run_timers+0x7e5/0xc70 [ 396.630795] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 396.636161] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 396.641181] ? graph_lock+0x170/0x170 [ 396.644990] ? print_usage_bug+0xc0/0xc0 [ 396.649055] ? lock_release+0x970/0x970 [ 396.653036] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 396.658246] ? find_held_lock+0x36/0x1c0 [ 396.662320] ? graph_lock+0x170/0x170 [ 396.666138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.671690] ? check_preemption_disabled+0x48/0x200 [ 396.676732] ? __lock_is_held+0xb5/0x140 [ 396.680808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.686350] ? check_preemption_disabled+0x48/0x200 [ 396.691384] run_timer_softirq+0x52/0xb0 [ 396.695448] ? rcu_read_lock_sched_held+0x108/0x120 [ 396.700486] __do_softirq+0x30b/0xad8 [ 396.704301] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 396.709410] ? pvclock_read_flags+0x160/0x160 [ 396.713908] ? lapic_next_event+0x5a/0x90 [ 396.718082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.723621] ? check_preemption_disabled+0x48/0x200 [ 396.728635] ? check_preemption_disabled+0x48/0x200 [ 396.733678] ? kvm_clock_read+0x18/0x30 [ 396.737656] ? kvm_sched_clock_read+0x9/0x20 [ 396.742087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.747628] ? check_preemption_disabled+0x48/0x200 [ 396.752656] irq_exit+0x17f/0x1c0 [ 396.756115] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.760957] ? smp_reschedule_interrupt+0x109/0x650 [ 396.765977] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.771863] ? interrupt_entry+0xb5/0xf0 [ 396.776439] ? trace_hardirqs_off_caller+0xbb/0x300 [ 396.781454] ? trace_hardirqs_off_caller+0xbb/0x300 [ 396.786477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.791322] ? trace_hardirqs_off+0x300/0x300 [ 396.795819] ? trace_hardirqs_off+0x300/0x300 [ 396.800316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.805856] ? check_preemption_disabled+0x48/0x200 [ 396.810873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.816426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.821281] apic_timer_interrupt+0xf/0x20 [ 396.825509] [ 396.827759] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 396.833037] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 396.851939] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 396.859652] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 396.866919] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 396.874193] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 396.881459] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 396.888725] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 396.896022] ? arch_local_irq_restore+0x45/0x52 [ 396.900713] dump_stack+0x26a/0x2b4 [ 396.904346] ? dump_stack_print_info.cold.2+0x52/0x52 [ 396.909547] ? mark_held_locks+0x130/0x130 [ 396.913783] ? mark_held_locks+0x130/0x130 [ 396.918029] dump_header+0x27b/0xf72 [ 396.921762] ? pagefault_out_of_memory+0x197/0x197 [ 396.926700] ? mark_held_locks+0x130/0x130 [ 396.930934] ? __lock_acquire+0x7ec/0x4ec0 [ 396.935177] ? print_usage_bug+0xc0/0xc0 [ 396.939245] ? graph_lock+0x170/0x170 [ 396.943045] ? graph_lock+0x170/0x170 [ 396.946850] ? print_usage_bug+0xc0/0xc0 [ 396.950915] ? print_usage_bug+0xc0/0xc0 [ 396.954996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.960551] ? find_held_lock+0x36/0x1c0 [ 396.964623] ? mark_held_locks+0xc7/0x130 [ 396.968778] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.973884] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.978987] ? lockdep_hardirqs_on+0x421/0x5c0 [ 396.983574] ? trace_hardirqs_on+0xbd/0x310 [ 396.987900] ? kasan_check_read+0x11/0x20 [ 396.992048] ? ___ratelimit+0x36f/0x655 [ 396.996031] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.001486] ? trace_hardirqs_on+0x310/0x310 [ 397.005896] ? lock_downgrade+0x900/0x900 [ 397.010054] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.015165] ? ___ratelimit+0xaa/0x655 [ 397.019054] ? idr_get_free+0xec0/0xec0 [ 397.023038] ? kasan_check_write+0x14/0x20 [ 397.027292] ? do_raw_spin_lock+0xc1/0x200 [ 397.031546] oom_kill_process.cold.27+0x10/0x903 [ 397.036322] ? graph_lock+0x170/0x170 [ 397.040135] ? _raw_spin_unlock+0x2c/0x50 [ 397.044281] ? oom_badness+0xe6/0xaa0 [ 397.048091] ? oom_evaluate_task+0x540/0x540 [ 397.052514] ? find_held_lock+0x36/0x1c0 [ 397.056603] ? out_of_memory+0x974/0x14c0 [ 397.060764] ? lock_downgrade+0x900/0x900 [ 397.064917] ? check_preemption_disabled+0x48/0x200 [ 397.069944] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 397.075739] ? kasan_check_read+0x11/0x20 [ 397.079892] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.085175] ? rcu_bh_qs+0xc0/0xc0 [ 397.088720] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 397.093736] ? oom_evaluate_task+0x302/0x540 [ 397.098148] out_of_memory+0xa86/0x14c0 [ 397.102134] ? oom_killer_disable+0x3a0/0x3a0 [ 397.106641] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 397.111578] ? __mutex_add_waiter+0x2a0/0x2a0 [ 397.116090] __alloc_pages_slowpath+0x2318/0x2d80 [ 397.120968] ? warn_alloc+0x120/0x120 [ 397.124770] ? lock_downgrade+0x900/0x900 [ 397.128921] ? print_usage_bug+0xc0/0xc0 [ 397.132981] ? warn_alloc+0x120/0x120 [ 397.136781] ? print_usage_bug+0xc0/0xc0 [ 397.140844] ? debug_check_no_obj_freed+0x305/0x58d [ 397.145878] ? print_usage_bug+0xc0/0xc0 [ 397.149946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.155483] ? should_fail+0x22d/0xd01 [ 397.159376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.164482] ? __lock_acquire+0x7ec/0x4ec0 [ 397.168747] ? __lock_is_held+0xb5/0x140 [ 397.172826] ? graph_lock+0x170/0x170 [ 397.176643] ? ___might_sleep+0x1ed/0x300 [ 397.180806] ? lock_release+0x970/0x970 [ 397.184797] ? arch_local_save_flags+0x40/0x40 [ 397.189415] ? __might_sleep+0x95/0x190 [ 397.193415] __alloc_pages_nodemask+0xa80/0xde0 [ 397.198103] ? graph_lock+0x170/0x170 [ 397.201913] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 397.206933] ? graph_lock+0x170/0x170 [ 397.210751] ? mark_held_locks+0xc7/0x130 [ 397.214897] ? find_held_lock+0x36/0x1c0 [ 397.218969] ? cache_grow_begin+0x5a4/0x8c0 [ 397.223291] ? lockdep_hardirqs_on+0x421/0x5c0 [ 397.227875] ? trace_hardirqs_on+0xbd/0x310 [ 397.232197] ? fallback_alloc+0x203/0x2e0 [ 397.236344] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.241800] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 397.247346] cache_grow_begin+0x91/0x8c0 [ 397.251408] ? do_raw_spin_unlock+0xa7/0x2f0 [ 397.255825] fallback_alloc+0x203/0x2e0 [ 397.259807] ____cache_alloc_node+0x1c7/0x1e0 [ 397.264309] kmem_cache_alloc_node_trace+0xe7/0x740 [ 397.269340] __kmalloc_node_track_caller+0x33/0x70 [ 397.274274] __kmalloc_reserve.isra.39+0x41/0xe0 [ 397.279034] __alloc_skb+0x155/0x770 [ 397.282770] ? skb_scrub_packet+0x490/0x490 [ 397.287098] ? if_nlmsg_size+0x5d1/0xbb0 [ 397.291168] ? nla_put_ifalias+0x170/0x170 [ 397.295414] ? softnet_seq_show+0x470/0x470 [ 397.299734] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 397.304750] ? netif_tx_stop_all_queues+0xd9/0x110 [ 397.309688] rtmsg_ifinfo_build_skb+0x74/0x190 [ 397.314277] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 397.319125] rtmsg_ifinfo+0x8c/0xa0 [ 397.322762] dev_close_many+0x3be/0x860 [ 397.326752] ? unlist_netdevice+0x670/0x670 [ 397.331084] ? find_held_lock+0x36/0x1c0 [ 397.335158] ? __queue_work+0x6be/0x1440 [ 397.339223] ? lock_downgrade+0x900/0x900 [ 397.343380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.348913] ? rtnl_is_locked+0xb5/0xf0 [ 397.352890] ? rtnl_trylock+0x20/0x20 [ 397.356691] ? do_raw_spin_unlock+0xa7/0x2f0 [ 397.361102] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 397.365697] rollback_registered_many+0x56e/0x1240 [ 397.370637] ? generic_xdp_install+0x4c0/0x4c0 [ 397.375228] ? max_active_store+0x170/0x170 [ 397.379578] ? graph_lock+0x170/0x170 [ 397.383380] ? print_usage_bug+0xc0/0xc0 [ 397.387445] ? print_usage_bug+0xc0/0xc0 [ 397.391505] ? kfree_skbmem+0x154/0x230 [ 397.395489] ? graph_lock+0x170/0x170 [ 397.399290] ? print_usage_bug+0xc0/0xc0 [ 397.403357] ? find_held_lock+0x36/0x1c0 [ 397.407431] ? mark_held_locks+0xc7/0x130 [ 397.411586] rollback_registered+0x1e9/0x420 [ 397.415996] ? lockdep_hardirqs_on+0x351/0x5c0 [ 397.420578] ? rollback_registered_many+0x1240/0x1240 [ 397.425768] ? trace_hardirqs_on+0xbd/0x310 [ 397.430099] ? linkwatch_schedule_work+0x150/0x170 [ 397.435030] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.440488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.446024] ? rtnl_is_locked+0xb5/0xf0 [ 397.449998] ? rtnl_trylock+0x20/0x20 [ 397.453800] ? queue_delayed_work_on+0x130/0x1f0 [ 397.458572] unregister_netdevice_queue+0x321/0x5e0 [ 397.463597] ? rollback_registered+0x420/0x420 [ 397.468185] ? linkwatch_schedule_work+0x170/0x170 [ 397.473119] ? tun_show_owner+0x170/0x170 [ 397.477269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.482809] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 397.488175] ? __tun_detach+0x6ba/0x15c0 [ 397.492250] __tun_detach+0x11b8/0x15c0 [ 397.496236] ? __call_rcu.constprop.69+0x429/0xbc0 [ 397.501190] ? tun_attach+0x1770/0x1770 [ 397.505171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.510707] ? check_preemption_disabled+0x48/0x200 [ 397.515740] ? graph_lock+0x170/0x170 [ 397.519556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.525102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.530642] ? locks_remove_file+0x3c6/0x5c0 [ 397.535056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.540610] ? ima_file_free+0x132/0x650 [ 397.544677] ? __lock_is_held+0xb5/0x140 [ 397.548746] ? __tun_detach+0x15c0/0x15c0 [ 397.552903] ? __tun_detach+0x15c0/0x15c0 [ 397.557050] tun_chr_close+0xe3/0x180 [ 397.560858] __fput+0x385/0xa30 [ 397.564143] ? get_max_files+0x20/0x20 [ 397.568037] ? ___might_sleep+0x1ed/0x300 [ 397.572192] ? arch_local_save_flags+0x40/0x40 [ 397.576783] ____fput+0x15/0x20 [ 397.580075] task_work_run+0x1e8/0x2a0 [ 397.583975] ? task_work_cancel+0x240/0x240 [ 397.588313] ? switch_task_namespaces+0xb8/0xd0 [ 397.592999] do_exit+0x1ad7/0x2610 [ 397.596564] ? mm_update_next_owner+0x990/0x990 [ 397.601250] ? print_usage_bug+0xc0/0xc0 [ 397.605323] ? __lock_acquire+0x7ec/0x4ec0 [ 397.609568] ? find_held_lock+0x36/0x1c0 [ 397.613647] ? __lock_acquire+0x7ec/0x4ec0 [ 397.617883] ? mark_held_locks+0x130/0x130 [ 397.622124] ? lock_acquire+0x1ed/0x520 [ 397.626111] ? mark_held_locks+0x130/0x130 [ 397.630350] ? arch_local_save_flags+0x40/0x40 [ 397.634932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.640490] ? __mutex_lock+0x872/0x1710 [ 397.644774] ? __switch_to_asm+0x40/0x70 [ 397.648834] ? __switch_to_asm+0x34/0x70 [ 397.652897] ? pipe_wait+0x266/0x2c0 [ 397.656622] ? mutex_trylock+0x2b0/0x2b0 [ 397.660698] ? graph_lock+0x170/0x170 [ 397.664498] ? find_held_lock+0x36/0x1c0 [ 397.668570] ? memset+0x31/0x40 [ 397.671860] ? find_held_lock+0x36/0x1c0 [ 397.675935] ? get_signal+0x95b/0x1980 [ 397.679825] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.684322] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.688827] do_group_exit+0x177/0x440 [ 397.692738] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.698189] ? __ia32_sys_exit+0x50/0x50 [ 397.702267] get_signal+0x8b0/0x1980 [ 397.705997] ? ptrace_notify+0x130/0x130 [ 397.710067] ? finish_wait+0x430/0x430 [ 397.713959] ? graph_lock+0x170/0x170 [ 397.717770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.723315] ? pipe_read+0x702/0x940 [ 397.727031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.732598] do_signal+0x9c/0x21e0 [ 397.736144] ? __vfs_read+0x11f/0x9b0 [ 397.739951] ? vfs_copy_file_range+0xb90/0xb90 [ 397.744535] ? setup_sigcontext+0x7d0/0x7d0 [ 397.748887] ? exit_to_usermode_loop+0x8c/0x380 [ 397.753585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.759149] exit_to_usermode_loop+0x2e5/0x380 [ 397.763757] ? syscall_slow_exit_work+0x520/0x520 [ 397.768616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.774187] do_syscall_64+0x6be/0x820 [ 397.778100] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 397.783487] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.788434] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.793298] ? trace_hardirqs_off+0x300/0x300 [ 397.797814] ? prepare_exit_to_usermode+0x291/0x3b0 [ 397.802856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.807716] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.812914] RIP: 0033:0x410e10 [ 397.816110] Code: Bad RIP value. [ 397.819472] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 397.827184] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 397.834451] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 397.841716] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 397.848989] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 397.856260] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 397.863574] warn_alloc_show_mem: 1 callbacks suppressed [ 397.863586] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 397.863588] Mem-Info: [ 397.863618] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 397.863618] active_file:19 inactive_file:16 isolated_file:0 [ 397.863618] unevictable:0 dirty:0 writeback:0 unstable:0 [ 397.863618] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 397.863618] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 397.863618] free:13785 free_pcp:397 free_cma:0 [ 397.868972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.876248] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 397.878645] Call Trace: [ 397.911434] Node 0 [ 397.920789] [ 397.948396] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 397.950965] dump_stack+0x1c4/0x2b4 [ 397.953170] lowmem_reserve[]: [ 397.955317] ? dump_stack_print_info.cold.2+0x52/0x52 [ 397.980798] 0 2815 [ 397.984456] warn_alloc.cold.118+0xb7/0x1bd [ 397.987518] 6318 [ 397.992711] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.994917] 6318 [ 397.999236] ? lock_downgrade+0x900/0x900 [ 398.006113] ? trace_hardirqs_off+0xb8/0x300 [ 398.008145] Node 0 [ 398.012290] ? trace_hardirqs_off+0xb8/0x300 [ 398.016694] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 398.018906] __alloc_pages_slowpath+0x2667/0x2d80 [ 398.023282] lowmem_reserve[]: [ 398.050037] ? warn_alloc+0x120/0x120 [ 398.054860] 0 [ 398.057965] ? trace_hardirqs_on+0x310/0x310 [ 398.061737] 0 [ 398.063535] ? warn_alloc+0x120/0x120 [ 398.067925] 3503 [ 398.069726] ? print_usage_bug+0xc0/0xc0 [ 398.073497] 3503 [ 398.075567] ? warn_alloc+0x120/0x120 [ 398.081659] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 398.085433] Node 0 [ 398.090449] ? print_usage_bug+0xc0/0xc0 [ 398.090480] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 398.090496] lowmem_reserve[]: [ 398.092727] ? __lock_acquire+0x7ec/0x4ec0 [ 398.096762] 0 [ 398.125297] ? __lock_acquire+0x7ec/0x4ec0 [ 398.128381] 0 [ 398.132610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.134385] 0 [ 398.138618] ? should_fail+0x22d/0xd01 [ 398.140392] 0 [ 398.145926] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.147703] Node 0 [ 398.151585] ? __lock_acquire+0x7ec/0x4ec0 [ 398.153368] DMA: [ 398.158463] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.160688] 1*4kB [ 398.164915] ? __lock_acquire+0x7ec/0x4ec0 [ 398.166972] (U) [ 398.172092] ? should_fail+0x22d/0xd01 [ 398.174220] 0*8kB [ 398.178461] ? print_usage_bug+0xc0/0xc0 [ 398.180410] 0*16kB [ 398.184319] ? mark_held_locks+0x130/0x130 [ 398.186437] 1*32kB [ 398.190506] ? mark_held_locks+0x130/0x130 [ 398.192712] (U) [ 398.196988] ? graph_lock+0x170/0x170 [ 398.199200] 2*64kB [ 398.203444] ? print_usage_bug+0xc0/0xc0 [ 398.205419] (U) [ 398.209246] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.211470] 1*128kB [ 398.215548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.217499] (U) [ 398.222267] ? check_preemption_disabled+0x48/0x200 [ 398.224577] 1*256kB [ 398.230116] ? check_preemption_disabled+0x48/0x200 [ 398.232067] (U) [ 398.237099] ? __lock_is_held+0xb5/0x140 [ 398.239403] 0*512kB [ 398.244440] __alloc_pages_nodemask+0xa80/0xde0 [ 398.246395] 1*1024kB [ 398.250464] ? graph_lock+0x170/0x170 [ 398.252755] (U) [ 398.257426] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 398.259806] 1*2048kB [ 398.263612] ? graph_lock+0x170/0x170 [ 398.265583] (M) [ 398.270613] ? find_held_lock+0x36/0x1c0 [ 398.272982] 3*4096kB (M) [ 398.276799] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.278742] = 15908kB [ 398.282801] ? lock_downgrade+0x900/0x900 [ 398.285532] Node 0 [ 398.290214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.292597] DMA32: [ 398.296749] cache_grow_begin+0x91/0x8c0 [ 398.298952] 3*4kB [ 398.304489] ? do_raw_spin_unlock+0xa7/0x2f0 [ 398.306696] (M) [ 398.310764] fallback_alloc+0x203/0x2e0 [ 398.312884] 1*8kB [ 398.317297] ____cache_alloc_node+0x1c7/0x1e0 [ 398.319239] (M) [ 398.323215] kmem_cache_alloc_node+0xe3/0x730 [ 398.325334] 3*16kB [ 398.329865] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.331787] (UM) [ 398.336293] __alloc_skb+0x119/0x770 [ 398.338497] 3*32kB [ 398.342736] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 398.344767] (UM) [ 398.348481] ? skb_scrub_packet+0x490/0x490 [ 398.350687] 2*64kB [ 398.355965] ? lock_downgrade+0x900/0x900 [ 398.358003] (UM) [ 398.362333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.364545] 5*128kB [ 398.368696] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.370728] (UM) [ 398.376273] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.378569] 3*256kB (M) [ 398.384034] ? addrconf_rs_timer+0x6f0/0x6f0 [ 398.386077] 4*512kB [ 398.391556] ndisc_alloc_skb+0x144/0x340 [ 398.394199] (M) [ 398.398625] ndisc_send_rs+0x331/0x6e0 [ 398.400927] 3*1024kB [ 398.405008] addrconf_rs_timer+0x3c0/0x6f0 [ 398.406958] (UM) [ 398.410860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.413239] 3*2048kB [ 398.417489] call_timer_fn+0x272/0x920 [ 398.419509] (M) [ 398.423749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.426124] 3*4096kB (M) [ 398.430024] ? process_timeout+0x40/0x40 [ 398.431964] = 25252kB [ 398.431973] Node 0 [ 398.436207] ? find_held_lock+0x36/0x1c0 [ 398.439112] Normal: [ 398.443181] ? __run_timers+0x7da/0xc70 [ 398.445561] 1016*4kB [ 398.447807] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.451838] (UME) [ 398.454160] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.458102] 348*8kB (UME) [ 398.460517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.464979] 167*16kB (UME) [ 398.467138] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 398.471601] 68*32kB (UME) [ 398.474454] ? trace_hardirqs_on+0xbd/0x310 [ 398.478662] 21*64kB [ 398.481594] ? kasan_check_read+0x11/0x20 [ 398.486152] (M) [ 398.488998] ? __run_timers+0x7da/0xc70 [ 398.493292] 6*128kB [ 398.495614] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.499732] (UM) [ 398.501714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.505658] 1*256kB [ 398.507988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.513404] (U) [ 398.515469] __run_timers+0x7e5/0xc70 [ 398.519692] 0*512kB 0*1024kB [ 398.522043] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 398.526239] 0*2048kB [ 398.528221] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 398.531993] 0*4096kB [ 398.535100] ? graph_lock+0x170/0x170 [ 398.540439] = 14064kB [ 398.542852] ? enqueue_hrtimer+0x1a5/0x560 [ 398.547845] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 398.550253] ? lock_release+0x970/0x970 [ 398.554029] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 398.556433] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 398.560638] 503 total pagecache pages [ 398.569484] ? find_held_lock+0x36/0x1c0 [ 398.573439] 0 pages in swap cache [ 398.582017] ? graph_lock+0x170/0x170 [ 398.587195] Swap cache stats: add 0, delete 0, find 0/0 [ 398.591000] ? pvclock_read_flags+0x160/0x160 [ 398.595036] Free swap = 0kB [ 398.598493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.602266] Total swap = 0kB [ 398.607634] ? check_preemption_disabled+0x48/0x200 [ 398.612107] 1965979 pages RAM [ 398.615136] ? __lock_is_held+0xb5/0x140 [ 398.620627] 0 pages HighMem/MovableOnly [ 398.620636] 343324 pages reserved [ 398.623653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.628640] 0 pages cma reserved [ 398.631742] ? check_preemption_disabled+0x48/0x200 [ 398.635861] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.639748] run_timer_softirq+0x52/0xb0 [ 398.643295] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.648708] ? rcu_read_lock_sched_held+0x108/0x120 [ 398.652052] syz-executor2 cpuset= [ 398.657070] __do_softirq+0x30b/0xad8 [ 398.663549] syz2 [ 398.667620] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 398.678072] mems_allowed=0 [ 398.683083] ? pvclock_read_flags+0x160/0x160 [ 398.704743] ? lapic_next_event+0x5a/0x90 [ 398.708894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.714430] ? check_preemption_disabled+0x48/0x200 [ 398.719446] ? check_preemption_disabled+0x48/0x200 [ 398.724471] ? kvm_clock_read+0x18/0x30 [ 398.728447] ? kvm_sched_clock_read+0x9/0x20 [ 398.732858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.738393] ? check_preemption_disabled+0x48/0x200 [ 398.743424] irq_exit+0x17f/0x1c0 [ 398.746886] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.751730] ? smp_reschedule_interrupt+0x109/0x650 [ 398.756749] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.762634] ? interrupt_entry+0xb5/0xf0 [ 398.766698] ? trace_hardirqs_off_caller+0xbb/0x300 [ 398.771713] ? trace_hardirqs_off_caller+0xbb/0x300 [ 398.776963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.781813] ? trace_hardirqs_off+0x300/0x300 [ 398.786310] ? trace_hardirqs_off+0x300/0x300 [ 398.790806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.796342] ? check_preemption_disabled+0x48/0x200 [ 398.801363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.806912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.811765] apic_timer_interrupt+0xf/0x20 [ 398.815997] [ 398.818239] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 398.823168] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 398.842075] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 398.850052] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 398.857322] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 398.864601] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 398.871913] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 398.879196] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 398.886521] skb_clone+0x1bb/0x500 [ 398.890079] ? skb_split+0x11e0/0x11e0 [ 398.893973] ? preempt_notifier_register+0x200/0x200 [ 398.899078] ? __switch_to_asm+0x34/0x70 [ 398.903142] ? __switch_to_asm+0x34/0x70 [ 398.907200] ? __switch_to_asm+0x40/0x70 [ 398.911264] ? __switch_to_asm+0x34/0x70 [ 398.915327] ? __switch_to_asm+0x40/0x70 [ 398.919387] ? __switch_to_asm+0x40/0x70 [ 398.923445] ? __switch_to_asm+0x34/0x70 [ 398.927505] ? __switch_to_asm+0x34/0x70 [ 398.931582] ? __switch_to_asm+0x40/0x70 [ 398.935646] ? __switch_to_asm+0x34/0x70 [ 398.939719] bpf_clone_redirect+0xb9/0x490 [ 398.943975] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 398.949021] ? __sched_text_start+0x8/0x8 [ 398.953190] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.957970] ? find_held_lock+0x36/0x1c0 [ 398.962046] ? lock_acquire+0x1ed/0x520 [ 398.966023] ? bpf_test_run+0x32e/0x5a0 [ 398.970016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.975586] ? check_preemption_disabled+0x48/0x200 [ 398.980613] ? kasan_check_read+0x11/0x20 [ 398.984768] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 398.990049] ? rcu_bh_qs+0xc0/0xc0 [ 398.993597] ? preempt_schedule+0x4d/0x60 [ 398.997748] ? ___preempt_schedule+0x16/0x18 [ 399.002174] ? bpf_test_run+0x1c0/0x5a0 [ 399.006154] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 399.011009] ? netlink_diag_dump+0x2a0/0x2a0 [ 399.015429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.020969] ? bpf_test_init.isra.9+0x70/0x100 [ 399.025573] ? bpf_prog_test_run_skb+0x634/0xb40 [ 399.030349] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 399.035204] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 399.040765] ? fput+0x130/0x1a0 [ 399.044071] ? __bpf_prog_get+0x9b/0x290 [ 399.048157] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 399.053025] ? bpf_prog_test_run+0x130/0x1a0 [ 399.057455] ? __x64_sys_bpf+0x3d8/0x510 [ 399.061522] ? bpf_prog_get+0x20/0x20 [ 399.065365] ? do_syscall_64+0x1b9/0x820 [ 399.069435] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 399.074815] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.079759] ? trace_hardirqs_off+0x300/0x300 [ 399.084261] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 399.089285] ? recalc_sigpending_tsk+0x180/0x180 [ 399.094042] ? kasan_check_write+0x14/0x20 [ 399.098284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.103137] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.108520] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 399.108630] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.115719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.115724] Call Trace: [ 399.115732] [ 399.115749] dump_stack+0x1c4/0x2b4 [ 399.115768] ? dump_stack_print_info.cold.2+0x52/0x52 [ 399.122357] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.131602] warn_alloc.cold.118+0xb7/0x1bd [ 399.134158] syz-executor4 cpuset= [ 399.136305] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.139906] syz4 [ 399.145095] ? lock_downgrade+0x900/0x900 [ 399.155570] mems_allowed=0 [ 399.159886] ? trace_hardirqs_off+0xb8/0x300 [ 399.181581] ? trace_hardirqs_off+0xb8/0x300 [ 399.186005] __alloc_pages_slowpath+0x2667/0x2d80 [ 399.190880] ? warn_alloc+0x120/0x120 [ 399.194688] ? warn_alloc+0x120/0x120 [ 399.198492] ? print_usage_bug+0xc0/0xc0 [ 399.202561] ? warn_alloc+0x120/0x120 [ 399.206368] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 399.211385] ? print_usage_bug+0xc0/0xc0 [ 399.215450] ? __lock_acquire+0x7ec/0x4ec0 [ 399.219682] ? __lock_acquire+0x7ec/0x4ec0 [ 399.223919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.229462] ? should_fail+0x22d/0xd01 [ 399.233348] ? __lock_acquire+0x7ec/0x4ec0 [ 399.237597] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.242701] ? __lock_acquire+0x7ec/0x4ec0 [ 399.246941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.252043] ? __lock_acquire+0x7ec/0x4ec0 [ 399.256282] ? should_fail+0x22d/0xd01 [ 399.260181] ? mark_held_locks+0x130/0x130 [ 399.264424] ? mark_held_locks+0x130/0x130 [ 399.268667] ? graph_lock+0x170/0x170 [ 399.272467] ? print_usage_bug+0xc0/0xc0 [ 399.276527] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.281291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.286826] ? check_preemption_disabled+0x48/0x200 [ 399.291840] ? check_preemption_disabled+0x48/0x200 [ 399.296869] ? __lock_is_held+0xb5/0x140 [ 399.300942] __alloc_pages_nodemask+0xa80/0xde0 [ 399.305613] ? graph_lock+0x170/0x170 [ 399.309420] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 399.314434] ? graph_lock+0x170/0x170 [ 399.318248] ? find_held_lock+0x36/0x1c0 [ 399.322322] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.326995] ? lock_downgrade+0x900/0x900 [ 399.331156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.336704] cache_grow_begin+0x91/0x8c0 [ 399.340767] ? do_raw_spin_unlock+0xa7/0x2f0 [ 399.345184] fallback_alloc+0x203/0x2e0 [ 399.349170] ____cache_alloc_node+0x1c7/0x1e0 [ 399.353672] kmem_cache_alloc_node+0xe3/0x730 [ 399.358170] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.362419] __alloc_skb+0x119/0x770 [ 399.366141] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.371432] ? skb_scrub_packet+0x490/0x490 [ 399.375760] ? lock_downgrade+0x900/0x900 [ 399.379923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.385462] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.390921] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.396374] ? addrconf_rs_timer+0x6f0/0x6f0 [ 399.400797] ndisc_alloc_skb+0x144/0x340 [ 399.404869] ndisc_send_rs+0x331/0x6e0 [ 399.408769] addrconf_rs_timer+0x3c0/0x6f0 [ 399.413010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.417260] call_timer_fn+0x272/0x920 [ 399.421147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.425389] ? process_timeout+0x40/0x40 [ 399.429452] ? find_held_lock+0x36/0x1c0 [ 399.433538] ? mark_held_locks+0xc7/0x130 [ 399.437704] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.442204] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.446703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.450943] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 399.455537] ? trace_hardirqs_on+0xbd/0x310 [ 399.459876] ? kasan_check_read+0x11/0x20 [ 399.464035] ? __run_timers+0x7da/0xc70 [ 399.468111] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.473593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.477831] __run_timers+0x7e5/0xc70 [ 399.481648] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 399.487018] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 399.492035] ? graph_lock+0x170/0x170 [ 399.495843] ? print_usage_bug+0xc0/0xc0 [ 399.499905] ? lock_release+0x970/0x970 [ 399.503884] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 399.509090] ? find_held_lock+0x36/0x1c0 [ 399.513165] ? graph_lock+0x170/0x170 [ 399.516972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.522510] ? check_preemption_disabled+0x48/0x200 [ 399.527553] ? __lock_is_held+0xb5/0x140 [ 399.531622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.537170] ? check_preemption_disabled+0x48/0x200 [ 399.542197] run_timer_softirq+0x52/0xb0 [ 399.546263] ? rcu_read_lock_sched_held+0x108/0x120 [ 399.551284] __do_softirq+0x30b/0xad8 [ 399.555106] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 399.560234] ? pvclock_read_flags+0x160/0x160 [ 399.564730] ? lapic_next_event+0x5a/0x90 [ 399.568879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.574415] ? check_preemption_disabled+0x48/0x200 [ 399.579428] ? check_preemption_disabled+0x48/0x200 [ 399.584451] ? kvm_clock_read+0x18/0x30 [ 399.588428] ? kvm_sched_clock_read+0x9/0x20 [ 399.592845] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.598397] ? check_preemption_disabled+0x48/0x200 [ 399.603446] irq_exit+0x17f/0x1c0 [ 399.606910] smp_apic_timer_interrupt+0x1cb/0x760 [ 399.611754] ? smp_reschedule_interrupt+0x109/0x650 [ 399.616773] ? smp_call_function_single_interrupt+0x650/0x650 [ 399.622678] ? interrupt_entry+0xb5/0xf0 [ 399.626742] ? trace_hardirqs_off_caller+0xbb/0x300 [ 399.631757] ? trace_hardirqs_off_caller+0xbb/0x300 [ 399.636778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.641625] ? trace_hardirqs_off+0x300/0x300 [ 399.646420] ? trace_hardirqs_off+0x300/0x300 [ 399.650920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.656456] ? check_preemption_disabled+0x48/0x200 [ 399.661470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.667021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.671876] apic_timer_interrupt+0xf/0x20 [ 399.676109] [ 399.678349] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 399.683628] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 399.702554] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 399.710294] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 399.717656] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 399.724948] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 399.732243] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 399.739535] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 399.746855] ? arch_local_irq_restore+0x45/0x52 [ 399.751546] dump_stack+0x26a/0x2b4 [ 399.755182] ? dump_stack_print_info.cold.2+0x52/0x52 [ 399.760381] ? mark_held_locks+0x130/0x130 [ 399.764619] ? mark_held_locks+0x130/0x130 [ 399.768860] dump_header+0x27b/0xf72 [ 399.772594] ? pagefault_out_of_memory+0x197/0x197 [ 399.777533] ? mark_held_locks+0x130/0x130 [ 399.781777] ? __lock_acquire+0x7ec/0x4ec0 [ 399.786021] ? print_usage_bug+0xc0/0xc0 [ 399.790092] ? graph_lock+0x170/0x170 [ 399.793893] ? graph_lock+0x170/0x170 [ 399.797695] ? print_usage_bug+0xc0/0xc0 [ 399.801758] ? print_usage_bug+0xc0/0xc0 [ 399.805831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.811374] ? find_held_lock+0x36/0x1c0 [ 399.815443] ? mark_held_locks+0xc7/0x130 [ 399.819596] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 399.824719] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 399.829826] ? lockdep_hardirqs_on+0x421/0x5c0 [ 399.834414] ? trace_hardirqs_on+0xbd/0x310 [ 399.838732] ? kasan_check_read+0x11/0x20 [ 399.842883] ? ___ratelimit+0x36f/0x655 [ 399.846859] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.852315] ? trace_hardirqs_on+0x310/0x310 [ 399.856724] ? lock_downgrade+0x900/0x900 [ 399.860897] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.866002] ? ___ratelimit+0xaa/0x655 [ 399.869893] ? idr_get_free+0xec0/0xec0 [ 399.873866] ? kasan_check_write+0x14/0x20 [ 399.878105] ? do_raw_spin_lock+0xc1/0x200 [ 399.882354] oom_kill_process.cold.27+0x10/0x903 [ 399.887116] ? graph_lock+0x170/0x170 [ 399.890915] ? _raw_spin_unlock+0x2c/0x50 [ 399.895066] ? oom_badness+0xe6/0xaa0 [ 399.898876] ? oom_evaluate_task+0x540/0x540 [ 399.903292] ? find_held_lock+0x36/0x1c0 [ 399.907364] ? out_of_memory+0x974/0x14c0 [ 399.911515] ? lock_downgrade+0x900/0x900 [ 399.915673] ? check_preemption_disabled+0x48/0x200 [ 399.920700] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 399.926495] ? kasan_check_read+0x11/0x20 [ 399.930643] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.935924] ? rcu_bh_qs+0xc0/0xc0 [ 399.939468] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 399.944485] ? oom_evaluate_task+0x302/0x540 [ 399.948903] out_of_memory+0xa86/0x14c0 [ 399.952906] ? oom_killer_disable+0x3a0/0x3a0 [ 399.957404] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 399.962337] ? __mutex_add_waiter+0x2a0/0x2a0 [ 399.966845] __alloc_pages_slowpath+0x2318/0x2d80 [ 399.971720] ? warn_alloc+0x120/0x120 [ 399.975524] ? lock_downgrade+0x900/0x900 [ 399.979690] ? print_usage_bug+0xc0/0xc0 [ 399.983752] ? warn_alloc+0x120/0x120 [ 399.987561] ? print_usage_bug+0xc0/0xc0 [ 399.991628] ? debug_check_no_obj_freed+0x305/0x58d [ 399.996648] ? print_usage_bug+0xc0/0xc0 [ 400.000712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.006249] ? should_fail+0x22d/0xd01 [ 400.010143] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.015248] ? __lock_acquire+0x7ec/0x4ec0 [ 400.019510] ? __lock_is_held+0xb5/0x140 [ 400.023588] ? graph_lock+0x170/0x170 [ 400.027397] ? ___might_sleep+0x1ed/0x300 [ 400.031553] ? lock_release+0x970/0x970 [ 400.035531] ? arch_local_save_flags+0x40/0x40 [ 400.040136] ? __might_sleep+0x95/0x190 [ 400.044120] __alloc_pages_nodemask+0xa80/0xde0 [ 400.048813] ? graph_lock+0x170/0x170 [ 400.052622] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 400.057635] ? graph_lock+0x170/0x170 [ 400.061450] ? mark_held_locks+0xc7/0x130 [ 400.065598] ? find_held_lock+0x36/0x1c0 [ 400.069665] ? cache_grow_begin+0x5a4/0x8c0 [ 400.073986] ? lockdep_hardirqs_on+0x421/0x5c0 [ 400.078576] ? trace_hardirqs_on+0xbd/0x310 [ 400.082900] ? fallback_alloc+0x203/0x2e0 [ 400.087050] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.092509] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 400.098068] cache_grow_begin+0x91/0x8c0 [ 400.102136] ? do_raw_spin_unlock+0xa7/0x2f0 [ 400.106559] fallback_alloc+0x203/0x2e0 [ 400.110550] ____cache_alloc_node+0x1c7/0x1e0 [ 400.115056] kmem_cache_alloc_node_trace+0xe7/0x740 [ 400.120100] __kmalloc_node_track_caller+0x33/0x70 [ 400.125038] __kmalloc_reserve.isra.39+0x41/0xe0 [ 400.129801] __alloc_skb+0x155/0x770 [ 400.133520] ? skb_scrub_packet+0x490/0x490 [ 400.137852] ? if_nlmsg_size+0x5d1/0xbb0 [ 400.141919] ? nla_put_ifalias+0x170/0x170 [ 400.146172] ? softnet_seq_show+0x470/0x470 [ 400.150508] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 400.155551] ? netif_tx_stop_all_queues+0xd9/0x110 [ 400.160489] rtmsg_ifinfo_build_skb+0x74/0x190 [ 400.165088] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 400.169935] rtmsg_ifinfo+0x8c/0xa0 [ 400.173574] dev_close_many+0x3be/0x860 [ 400.177572] ? unlist_netdevice+0x670/0x670 [ 400.181904] ? find_held_lock+0x36/0x1c0 [ 400.185971] ? __queue_work+0x6be/0x1440 [ 400.190033] ? lock_downgrade+0x900/0x900 [ 400.194195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.199729] ? rtnl_is_locked+0xb5/0xf0 [ 400.203707] ? rtnl_trylock+0x20/0x20 [ 400.207523] ? do_raw_spin_unlock+0xa7/0x2f0 [ 400.211939] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 400.216527] rollback_registered_many+0x56e/0x1240 [ 400.221472] ? generic_xdp_install+0x4c0/0x4c0 [ 400.226069] ? max_active_store+0x170/0x170 [ 400.230394] ? graph_lock+0x170/0x170 [ 400.234199] ? print_usage_bug+0xc0/0xc0 [ 400.238259] ? print_usage_bug+0xc0/0xc0 [ 400.242323] ? kfree_skbmem+0x154/0x230 [ 400.246318] ? graph_lock+0x170/0x170 [ 400.250119] ? print_usage_bug+0xc0/0xc0 [ 400.254183] ? find_held_lock+0x36/0x1c0 [ 400.258255] ? mark_held_locks+0xc7/0x130 [ 400.262408] rollback_registered+0x1e9/0x420 [ 400.266817] ? lockdep_hardirqs_on+0x351/0x5c0 [ 400.271403] ? rollback_registered_many+0x1240/0x1240 [ 400.276597] ? trace_hardirqs_on+0xbd/0x310 [ 400.280920] ? linkwatch_schedule_work+0x150/0x170 [ 400.285854] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.291311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.296849] ? rtnl_is_locked+0xb5/0xf0 [ 400.300830] ? rtnl_trylock+0x20/0x20 [ 400.304637] ? queue_delayed_work_on+0x130/0x1f0 [ 400.309407] unregister_netdevice_queue+0x321/0x5e0 [ 400.314443] ? rollback_registered+0x420/0x420 [ 400.319041] ? linkwatch_schedule_work+0x170/0x170 [ 400.323984] ? tun_show_owner+0x170/0x170 [ 400.328140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.333682] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 400.339052] ? __tun_detach+0x6ba/0x15c0 [ 400.343130] __tun_detach+0x11b8/0x15c0 [ 400.347110] ? __call_rcu.constprop.69+0x429/0xbc0 [ 400.352047] ? tun_attach+0x1770/0x1770 [ 400.356027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.361571] ? check_preemption_disabled+0x48/0x200 [ 400.366599] ? graph_lock+0x170/0x170 [ 400.370402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.375939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.381474] ? locks_remove_file+0x3c6/0x5c0 [ 400.385888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.391427] ? ima_file_free+0x132/0x650 [ 400.395495] ? __lock_is_held+0xb5/0x140 [ 400.399572] ? __tun_detach+0x15c0/0x15c0 [ 400.403726] ? __tun_detach+0x15c0/0x15c0 [ 400.407875] tun_chr_close+0xe3/0x180 [ 400.411680] __fput+0x385/0xa30 [ 400.414965] ? get_max_files+0x20/0x20 [ 400.418863] ? ___might_sleep+0x1ed/0x300 [ 400.423013] ? arch_local_save_flags+0x40/0x40 [ 400.427601] ____fput+0x15/0x20 [ 400.430886] task_work_run+0x1e8/0x2a0 [ 400.434776] ? task_work_cancel+0x240/0x240 [ 400.439135] ? switch_task_namespaces+0xb8/0xd0 [ 400.443811] do_exit+0x1ad7/0x2610 [ 400.447367] ? mm_update_next_owner+0x990/0x990 [ 400.452037] ? print_usage_bug+0xc0/0xc0 [ 400.456110] ? __lock_acquire+0x7ec/0x4ec0 [ 400.460348] ? find_held_lock+0x36/0x1c0 [ 400.464421] ? __lock_acquire+0x7ec/0x4ec0 [ 400.468657] ? mark_held_locks+0x130/0x130 [ 400.472901] ? lock_acquire+0x1ed/0x520 [ 400.476885] ? mark_held_locks+0x130/0x130 [ 400.481121] ? arch_local_save_flags+0x40/0x40 [ 400.485704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.491265] ? __mutex_lock+0x872/0x1710 [ 400.495327] ? __switch_to_asm+0x40/0x70 [ 400.499401] ? __switch_to_asm+0x34/0x70 [ 400.503470] ? pipe_wait+0x266/0x2c0 [ 400.507199] ? mutex_trylock+0x2b0/0x2b0 [ 400.511285] ? graph_lock+0x170/0x170 [ 400.515103] ? find_held_lock+0x36/0x1c0 [ 400.519182] ? memset+0x31/0x40 [ 400.522482] ? find_held_lock+0x36/0x1c0 [ 400.526571] ? get_signal+0x95b/0x1980 [ 400.530473] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.534974] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.539480] do_group_exit+0x177/0x440 [ 400.543379] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.548831] ? __ia32_sys_exit+0x50/0x50 [ 400.552906] get_signal+0x8b0/0x1980 [ 400.556637] ? ptrace_notify+0x130/0x130 [ 400.560702] ? finish_wait+0x430/0x430 [ 400.564591] ? graph_lock+0x170/0x170 [ 400.568404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.573945] ? pipe_read+0x702/0x940 [ 400.577660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.583210] do_signal+0x9c/0x21e0 [ 400.586754] ? __vfs_read+0x11f/0x9b0 [ 400.590572] ? vfs_copy_file_range+0xb90/0xb90 [ 400.595157] ? setup_sigcontext+0x7d0/0x7d0 [ 400.599498] ? exit_to_usermode_loop+0x8c/0x380 [ 400.604184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.609739] exit_to_usermode_loop+0x2e5/0x380 [ 400.614340] ? syscall_slow_exit_work+0x520/0x520 [ 400.619188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.624740] do_syscall_64+0x6be/0x820 [ 400.628636] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 400.634002] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.638933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.643781] ? trace_hardirqs_off+0x300/0x300 [ 400.648286] ? prepare_exit_to_usermode+0x291/0x3b0 [ 400.653308] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.658162] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.663352] RIP: 0033:0x410e10 [ 400.666554] Code: Bad RIP value. [ 400.669918] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 400.677626] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 400.684891] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 400.692157] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 400.699425] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 400.706696] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 400.713987] warn_alloc_show_mem: 1 callbacks suppressed [ 400.713999] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 400.714001] Mem-Info: [ 400.714030] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 400.714030] active_file:19 inactive_file:16 isolated_file:0 [ 400.714030] unevictable:0 dirty:0 writeback:0 unstable:0 [ 400.714030] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 400.714030] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 400.714030] free:13785 free_pcp:397 free_cma:0 [ 400.719373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.719381] Call Trace: [ 400.726664] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 400.729076] [ 400.761884] Node 0 [ 400.771263] dump_stack+0x1c4/0x2b4 [ 400.773844] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 400.801622] ? dump_stack_print_info.cold.2+0x52/0x52 [ 400.803753] lowmem_reserve[]: [ 400.805998] warn_alloc.cold.118+0xb7/0x1bd [ 400.809590] 0 [ 400.835104] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.840278] 2815 [ 400.843396] ? lock_downgrade+0x900/0x900 [ 400.847689] 6318 6318 [ 400.849516] ? trace_hardirqs_off+0xb8/0x300 [ 400.856396] ? trace_hardirqs_off+0xb8/0x300 [ 400.860509] Node 0 [ 400.863015] __alloc_pages_slowpath+0x2667/0x2d80 [ 400.867413] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 400.871826] ? warn_alloc+0x120/0x120 [ 400.874015] lowmem_reserve[]: [ 400.878859] ? warn_alloc+0x120/0x120 [ 400.905570] 0 0 [ 400.909389] ? print_usage_bug+0xc0/0xc0 [ 400.912466] 3503 [ 400.916261] ? warn_alloc+0x120/0x120 [ 400.918222] 3503 [ 400.922279] ? print_usage_bug+0xc0/0xc0 [ 400.928111] ? __lock_acquire+0x7ec/0x4ec0 [ 400.930154] Node 0 [ 400.934208] ? __lock_acquire+0x7ec/0x4ec0 [ 400.938443] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 400.940649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.944857] lowmem_reserve[]: [ 400.973418] ? should_fail+0x22d/0xd01 [ 400.978942] 0 [ 400.982060] ? __lock_acquire+0x7ec/0x4ec0 [ 400.985918] 0 [ 400.987718] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.991920] 0 [ 400.993720] ? __lock_acquire+0x7ec/0x4ec0 [ 400.998790] 0 [ 401.000605] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.004813] Node 0 [ 401.006617] ? __lock_acquire+0x7ec/0x4ec0 [ 401.011693] DMA: [ 401.013925] ? should_fail+0x22d/0xd01 [ 401.018130] 1*4kB [ 401.020198] ? mark_held_locks+0x130/0x130 [ 401.024050] (U) [ 401.026194] ? mark_held_locks+0x130/0x130 [ 401.030398] 0*8kB 0*16kB [ 401.032384] ? graph_lock+0x170/0x170 [ 401.036590] 1*32kB [ 401.039340] ? print_usage_bug+0xc0/0xc0 [ 401.043115] (U) [ 401.045347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.049380] 2*64kB [ 401.051353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.056865] (U) [ 401.059099] ? check_preemption_disabled+0x48/0x200 [ 401.064625] 1*128kB [ 401.066601] ? check_preemption_disabled+0x48/0x200 [ 401.071592] (U) [ 401.073917] ? __lock_is_held+0xb5/0x140 [ 401.078900] 1*256kB [ 401.080877] __alloc_pages_nodemask+0xa80/0xde0 [ 401.084908] (U) [ 401.087226] ? graph_lock+0x170/0x170 [ 401.091881] 0*512kB [ 401.093854] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 401.097628] 1*1024kB [ 401.099947] ? graph_lock+0x170/0x170 [ 401.104937] (U) 1*2048kB [ 401.107367] ? find_held_lock+0x36/0x1c0 [ 401.111130] (M) [ 401.113894] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.117920] 3*4096kB [ 401.119890] ? lock_downgrade+0x900/0x900 [ 401.124531] (M) [ 401.126950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.131073] = 15908kB [ 401.133050] cache_grow_begin+0x91/0x8c0 [ 401.138571] Node 0 [ 401.140978] ? do_raw_spin_unlock+0xa7/0x2f0 [ 401.145008] DMA32: [ 401.147242] fallback_alloc+0x203/0x2e0 [ 401.151619] 3*4kB [ 401.153851] ____cache_alloc_node+0x1c7/0x1e0 [ 401.157797] (M) [ 401.159946] kmem_cache_alloc_node+0xe3/0x730 [ 401.164431] 1*8kB [ 401.166405] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.170870] (M) [ 401.173022] __alloc_skb+0x119/0x770 [ 401.177227] 3*16kB [ 401.179216] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.182903] (UM) [ 401.185136] ? skb_scrub_packet+0x490/0x490 [ 401.190386] 3*32kB [ 401.192446] ? lock_downgrade+0x900/0x900 [ 401.196736] (UM) [ 401.198973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.203094] 2*64kB [ 401.205155] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.210663] (UM) [ 401.212898] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.218322] 5*128kB (UM) [ 401.220409] ? addrconf_rs_timer+0x6f0/0x6f0 [ 401.225837] 3*256kB [ 401.228609] ndisc_alloc_skb+0x144/0x340 [ 401.232977] (M) [ 401.235304] ndisc_send_rs+0x331/0x6e0 [ 401.239339] 4*512kB [ 401.241316] addrconf_rs_timer+0x3c0/0x6f0 [ 401.245175] (M) [ 401.247496] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.251706] 3*1024kB [ 401.253688] call_timer_fn+0x272/0x920 [ 401.257887] (UM) [ 401.260293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.264150] 3*2048kB (M) [ 401.266221] ? process_timeout+0x40/0x40 [ 401.270427] 3*4096kB [ 401.273181] ? find_held_lock+0x36/0x1c0 [ 401.277213] (M) [ 401.279623] ? __run_timers+0x7da/0xc70 [ 401.283655] = 25252kB [ 401.285624] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.289581] Node 0 [ 401.292002] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.296474] Normal: [ 401.298715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.303180] 1016*4kB [ 401.305506] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 401.309722] (UME) [ 401.312130] ? trace_hardirqs_on+0xbd/0x310 [ 401.316686] 348*8kB [ 401.318830] ? kasan_check_read+0x11/0x20 [ 401.323124] (UME) [ 401.325444] ? __run_timers+0x7da/0xc70 [ 401.329577] 167*16kB [ 401.331721] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.335669] (UME) [ 401.338085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.343502] 68*32kB [ 401.345650] __run_timers+0x7e5/0xc70 [ 401.349860] (UME) [ 401.352192] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 401.355957] 21*64kB [ 401.358102] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 401.363437] (M) [ 401.365758] ? graph_lock+0x170/0x170 [ 401.370747] 6*128kB [ 401.372717] ? enqueue_hrtimer+0x1a5/0x560 [ 401.376493] (UM) [ 401.378829] ? lock_release+0x970/0x970 [ 401.383041] 1*256kB [ 401.385110] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 401.389053] (U) [ 401.391413] ? find_held_lock+0x36/0x1c0 [ 401.396568] 0*512kB 0*1024kB [ 401.398570] ? graph_lock+0x170/0x170 [ 401.402596] 0*2048kB [ 401.405696] ? pvclock_read_flags+0x160/0x160 [ 401.409464] 0*4096kB = 14064kB [ 401.411885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.416369] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 401.419574] ? check_preemption_disabled+0x48/0x200 [ 401.425098] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 401.433953] ? __lock_is_held+0xb5/0x140 [ 401.438954] 503 total pagecache pages [ 401.447538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.451585] 0 pages in swap cache [ 401.455379] ? check_preemption_disabled+0x48/0x200 [ 401.460888] Swap cache stats: add 0, delete 0, find 0/0 [ 401.460896] Free swap = 0kB [ 401.464348] run_timer_softirq+0x52/0xb0 [ 401.469351] Total swap = 0kB [ 401.474709] ? rcu_read_lock_sched_held+0x108/0x120 [ 401.477702] 1965979 pages RAM [ 401.481759] __do_softirq+0x30b/0xad8 [ 401.484751] 0 pages HighMem/MovableOnly [ 401.489773] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 401.492844] 343324 pages reserved [ 401.496642] ? pvclock_read_flags+0x160/0x160 [ 401.500585] 0 pages cma reserved [ 401.500676] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.505684] ? lapic_next_event+0x5a/0x90 [ 401.505699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.505712] ? check_preemption_disabled+0x48/0x200 [ 401.505729] ? check_preemption_disabled+0x48/0x200 [ 401.509229] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.513653] ? kvm_clock_read+0x18/0x30 [ 401.516994] syz-executor2 cpuset= [ 401.523481] ? kvm_sched_clock_read+0x9/0x20 [ 401.527605] syz2 [ 401.533139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.538129] mems_allowed=0 [ 401.543136] ? check_preemption_disabled+0x48/0x200 [ 401.580834] irq_exit+0x17f/0x1c0 [ 401.584296] smp_apic_timer_interrupt+0x1cb/0x760 [ 401.589155] ? smp_reschedule_interrupt+0x109/0x650 [ 401.594173] ? smp_call_function_single_interrupt+0x650/0x650 [ 401.600060] ? interrupt_entry+0xb5/0xf0 [ 401.604127] ? trace_hardirqs_off_caller+0xbb/0x300 [ 401.609146] ? trace_hardirqs_off_caller+0xbb/0x300 [ 401.614169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.619012] ? trace_hardirqs_off+0x300/0x300 [ 401.623510] ? trace_hardirqs_off+0x300/0x300 [ 401.628015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.633558] ? check_preemption_disabled+0x48/0x200 [ 401.638586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.644596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.649454] apic_timer_interrupt+0xf/0x20 [ 401.653683] [ 401.655949] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 401.660895] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 401.679809] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 401.687532] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 401.694822] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 401.702094] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 401.709361] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 401.716629] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 401.724061] skb_clone+0x1bb/0x500 [ 401.727613] ? skb_split+0x11e0/0x11e0 [ 401.731506] ? preempt_notifier_register+0x200/0x200 [ 401.736611] ? __switch_to_asm+0x34/0x70 [ 401.740676] ? __switch_to_asm+0x34/0x70 [ 401.744761] ? __switch_to_asm+0x40/0x70 [ 401.748831] ? __switch_to_asm+0x34/0x70 [ 401.752900] ? __switch_to_asm+0x40/0x70 [ 401.756974] ? __switch_to_asm+0x40/0x70 [ 401.761045] ? __switch_to_asm+0x34/0x70 [ 401.765114] ? __switch_to_asm+0x34/0x70 [ 401.769174] ? __switch_to_asm+0x40/0x70 [ 401.773243] ? __switch_to_asm+0x34/0x70 [ 401.777314] bpf_clone_redirect+0xb9/0x490 [ 401.781576] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 401.786600] ? __sched_text_start+0x8/0x8 [ 401.790754] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 401.795524] ? find_held_lock+0x36/0x1c0 [ 401.799610] ? lock_acquire+0x1ed/0x520 [ 401.803591] ? bpf_test_run+0x32e/0x5a0 [ 401.807582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.813119] ? check_preemption_disabled+0x48/0x200 [ 401.818139] ? kasan_check_read+0x11/0x20 [ 401.822292] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.827586] ? rcu_bh_qs+0xc0/0xc0 [ 401.831131] ? preempt_schedule+0x4d/0x60 [ 401.835284] ? ___preempt_schedule+0x16/0x18 [ 401.839709] ? bpf_test_run+0x1c0/0x5a0 [ 401.843698] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 401.848573] ? netlink_diag_dump+0x2a0/0x2a0 [ 401.852998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.858569] ? bpf_test_init.isra.9+0x70/0x100 [ 401.863174] ? bpf_prog_test_run_skb+0x634/0xb40 [ 401.867952] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 401.872797] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 401.878341] ? fput+0x130/0x1a0 [ 401.881636] ? __bpf_prog_get+0x9b/0x290 [ 401.885703] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 401.890557] ? bpf_prog_test_run+0x130/0x1a0 [ 401.894981] ? __x64_sys_bpf+0x3d8/0x510 [ 401.899042] ? bpf_prog_get+0x20/0x20 [ 401.902866] ? do_syscall_64+0x1b9/0x820 [ 401.906931] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 401.912299] ? syscall_return_slowpath+0x5e0/0x5e0 [ 401.917230] ? trace_hardirqs_off+0x300/0x300 [ 401.921731] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 401.926752] ? recalc_sigpending_tsk+0x180/0x180 [ 401.931508] ? kasan_check_write+0x14/0x20 [ 401.935757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.940614] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.945999] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 401.946087] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.953192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.953197] Call Trace: [ 401.953205] [ 401.953222] dump_stack+0x1c4/0x2b4 [ 401.953244] ? dump_stack_print_info.cold.2+0x52/0x52 [ 401.959783] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.969085] warn_alloc.cold.118+0xb7/0x1bd [ 401.971632] syz-executor4 cpuset= [ 401.973778] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.977380] syz4 [ 401.982601] ? lock_downgrade+0x900/0x900 [ 401.993065] mems_allowed=0 [ 401.997389] ? trace_hardirqs_off+0xb8/0x300 [ 402.019075] ? trace_hardirqs_off+0xb8/0x300 [ 402.023503] __alloc_pages_slowpath+0x2667/0x2d80 [ 402.028380] ? warn_alloc+0x120/0x120 [ 402.032193] ? warn_alloc+0x120/0x120 [ 402.036002] ? print_usage_bug+0xc0/0xc0 [ 402.040069] ? warn_alloc+0x120/0x120 [ 402.043874] ? print_usage_bug+0xc0/0xc0 [ 402.047939] ? __lock_acquire+0x7ec/0x4ec0 [ 402.052175] ? __lock_acquire+0x7ec/0x4ec0 [ 402.056413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.061961] ? should_fail+0x22d/0xd01 [ 402.065880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.070990] ? __lock_acquire+0x7ec/0x4ec0 [ 402.075234] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.080335] ? __lock_acquire+0x7ec/0x4ec0 [ 402.084577] ? should_fail+0x22d/0xd01 [ 402.088478] ? mark_held_locks+0x130/0x130 [ 402.092717] ? mark_held_locks+0x130/0x130 [ 402.096954] ? graph_lock+0x170/0x170 [ 402.100774] ? graph_lock+0x170/0x170 [ 402.104603] ? graph_lock+0x170/0x170 [ 402.108408] ? print_usage_bug+0xc0/0xc0 [ 402.112474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.118017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.123565] ? check_preemption_disabled+0x48/0x200 [ 402.128587] ? check_preemption_disabled+0x48/0x200 [ 402.133617] ? __lock_is_held+0xb5/0x140 [ 402.137685] __alloc_pages_nodemask+0xa80/0xde0 [ 402.142357] ? graph_lock+0x170/0x170 [ 402.146163] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 402.151177] ? graph_lock+0x170/0x170 [ 402.154994] ? find_held_lock+0x36/0x1c0 [ 402.159074] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.163745] ? lock_downgrade+0x900/0x900 [ 402.167909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.173472] cache_grow_begin+0x91/0x8c0 [ 402.177556] ? do_raw_spin_unlock+0xa7/0x2f0 [ 402.181992] fallback_alloc+0x203/0x2e0 [ 402.185991] ____cache_alloc_node+0x1c7/0x1e0 [ 402.190596] kmem_cache_alloc_node+0xe3/0x730 [ 402.195106] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.199360] __alloc_skb+0x119/0x770 [ 402.203079] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.208365] ? skb_scrub_packet+0x490/0x490 [ 402.212691] ? lock_downgrade+0x900/0x900 [ 402.216849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.222406] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.227870] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.233324] ? addrconf_rs_timer+0x6f0/0x6f0 [ 402.237748] ndisc_alloc_skb+0x144/0x340 [ 402.241818] ndisc_send_rs+0x331/0x6e0 [ 402.245716] addrconf_rs_timer+0x3c0/0x6f0 [ 402.249960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.254231] call_timer_fn+0x272/0x920 [ 402.258124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.262367] ? process_timeout+0x40/0x40 [ 402.266430] ? find_held_lock+0x36/0x1c0 [ 402.270499] ? mark_held_locks+0xc7/0x130 [ 402.274655] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.279150] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.283646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.287882] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 402.292466] ? trace_hardirqs_on+0xbd/0x310 [ 402.296788] ? kasan_check_read+0x11/0x20 [ 402.300937] ? __run_timers+0x7da/0xc70 [ 402.304915] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.310372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.314611] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.318850] __run_timers+0x7e5/0xc70 [ 402.322670] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 402.328036] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 402.333061] ? graph_lock+0x170/0x170 [ 402.336873] ? print_usage_bug+0xc0/0xc0 [ 402.340935] ? lock_release+0x970/0x970 [ 402.344909] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 402.350109] ? find_held_lock+0x36/0x1c0 [ 402.354177] ? graph_lock+0x170/0x170 [ 402.357986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.363523] ? check_preemption_disabled+0x48/0x200 [ 402.368573] ? __lock_is_held+0xb5/0x140 [ 402.372648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.378192] ? check_preemption_disabled+0x48/0x200 [ 402.383234] run_timer_softirq+0x52/0xb0 [ 402.387312] ? rcu_read_lock_sched_held+0x108/0x120 [ 402.392350] __do_softirq+0x30b/0xad8 [ 402.396182] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 402.401311] ? pvclock_read_flags+0x160/0x160 [ 402.405825] ? lapic_next_event+0x5a/0x90 [ 402.409984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.415525] ? check_preemption_disabled+0x48/0x200 [ 402.420555] ? check_preemption_disabled+0x48/0x200 [ 402.425592] ? kvm_clock_read+0x18/0x30 [ 402.429574] ? kvm_sched_clock_read+0x9/0x20 [ 402.433990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.439540] ? check_preemption_disabled+0x48/0x200 [ 402.444587] irq_exit+0x17f/0x1c0 [ 402.448045] smp_apic_timer_interrupt+0x1cb/0x760 [ 402.452892] ? smp_reschedule_interrupt+0x109/0x650 [ 402.457912] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.463797] ? interrupt_entry+0xb5/0xf0 [ 402.467860] ? trace_hardirqs_off_caller+0xbb/0x300 [ 402.472883] ? trace_hardirqs_off_caller+0xbb/0x300 [ 402.477904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.482746] ? trace_hardirqs_off+0x300/0x300 [ 402.487240] ? trace_hardirqs_off+0x300/0x300 [ 402.491738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.497273] ? check_preemption_disabled+0x48/0x200 [ 402.502290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.507838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.512692] apic_timer_interrupt+0xf/0x20 [ 402.516924] [ 402.519164] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 402.524443] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 402.543344] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 402.551056] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 402.558332] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 402.565619] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 402.572884] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 402.580153] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 402.587446] ? arch_local_irq_restore+0x45/0x52 [ 402.592130] dump_stack+0x26a/0x2b4 [ 402.595760] ? dump_stack_print_info.cold.2+0x52/0x52 [ 402.600956] ? mark_held_locks+0x130/0x130 [ 402.605188] ? mark_held_locks+0x130/0x130 [ 402.609432] dump_header+0x27b/0xf72 [ 402.613159] ? pagefault_out_of_memory+0x197/0x197 [ 402.618097] ? mark_held_locks+0x130/0x130 [ 402.622336] ? __lock_acquire+0x7ec/0x4ec0 [ 402.626580] ? print_usage_bug+0xc0/0xc0 [ 402.630653] ? graph_lock+0x170/0x170 [ 402.634450] ? graph_lock+0x170/0x170 [ 402.638252] ? print_usage_bug+0xc0/0xc0 [ 402.642314] ? print_usage_bug+0xc0/0xc0 [ 402.646383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.651925] ? find_held_lock+0x36/0x1c0 [ 402.655997] ? mark_held_locks+0xc7/0x130 [ 402.660155] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.665262] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.670369] ? lockdep_hardirqs_on+0x421/0x5c0 [ 402.674953] ? trace_hardirqs_on+0xbd/0x310 [ 402.679272] ? kasan_check_read+0x11/0x20 [ 402.683424] ? ___ratelimit+0x36f/0x655 [ 402.687401] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.692854] ? trace_hardirqs_on+0x310/0x310 [ 402.697266] ? lock_downgrade+0x900/0x900 [ 402.701419] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.706524] ? ___ratelimit+0xaa/0x655 [ 402.710425] ? idr_get_free+0xec0/0xec0 [ 402.714398] ? kasan_check_write+0x14/0x20 [ 402.718635] ? do_raw_spin_lock+0xc1/0x200 [ 402.722883] oom_kill_process.cold.27+0x10/0x903 [ 402.727641] ? graph_lock+0x170/0x170 [ 402.731440] ? _raw_spin_unlock+0x2c/0x50 [ 402.735589] ? oom_badness+0xe6/0xaa0 [ 402.739396] ? oom_evaluate_task+0x540/0x540 [ 402.743810] ? find_held_lock+0x36/0x1c0 [ 402.747882] ? out_of_memory+0x974/0x14c0 [ 402.752030] ? lock_downgrade+0x900/0x900 [ 402.756180] ? check_preemption_disabled+0x48/0x200 [ 402.761207] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 402.767002] ? kasan_check_read+0x11/0x20 [ 402.771152] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.776961] ? rcu_bh_qs+0xc0/0xc0 [ 402.780511] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 402.785532] ? oom_evaluate_task+0x302/0x540 [ 402.789959] out_of_memory+0xa86/0x14c0 [ 402.793948] ? oom_killer_disable+0x3a0/0x3a0 [ 402.798443] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 402.803381] ? __mutex_add_waiter+0x2a0/0x2a0 [ 402.807890] __alloc_pages_slowpath+0x2318/0x2d80 [ 402.812770] ? warn_alloc+0x120/0x120 [ 402.816581] ? lock_downgrade+0x900/0x900 [ 402.820734] ? print_usage_bug+0xc0/0xc0 [ 402.824796] ? warn_alloc+0x120/0x120 [ 402.828601] ? print_usage_bug+0xc0/0xc0 [ 402.832662] ? debug_check_no_obj_freed+0x305/0x58d [ 402.837680] ? print_usage_bug+0xc0/0xc0 [ 402.841750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.847290] ? should_fail+0x22d/0xd01 [ 402.851187] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.856293] ? __lock_acquire+0x7ec/0x4ec0 [ 402.860571] ? __lock_is_held+0xb5/0x140 [ 402.864649] ? graph_lock+0x170/0x170 [ 402.868460] ? ___might_sleep+0x1ed/0x300 [ 402.872611] ? lock_release+0x970/0x970 [ 402.876589] ? arch_local_save_flags+0x40/0x40 [ 402.881187] ? __might_sleep+0x95/0x190 [ 402.885171] __alloc_pages_nodemask+0xa80/0xde0 [ 402.889844] ? graph_lock+0x170/0x170 [ 402.893649] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 402.898664] ? graph_lock+0x170/0x170 [ 402.902475] ? mark_held_locks+0xc7/0x130 [ 402.906625] ? find_held_lock+0x36/0x1c0 [ 402.910697] ? cache_grow_begin+0x5a4/0x8c0 [ 402.915025] ? lockdep_hardirqs_on+0x421/0x5c0 [ 402.919611] ? trace_hardirqs_on+0xbd/0x310 [ 402.923935] ? fallback_alloc+0x203/0x2e0 [ 402.928094] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.933561] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 402.939111] cache_grow_begin+0x91/0x8c0 [ 402.943180] ? do_raw_spin_unlock+0xa7/0x2f0 [ 402.947601] fallback_alloc+0x203/0x2e0 [ 402.951590] ____cache_alloc_node+0x1c7/0x1e0 [ 402.956100] kmem_cache_alloc_node_trace+0xe7/0x740 [ 402.961132] __kmalloc_node_track_caller+0x33/0x70 [ 402.966075] __kmalloc_reserve.isra.39+0x41/0xe0 [ 402.970843] __alloc_skb+0x155/0x770 [ 402.974575] ? skb_scrub_packet+0x490/0x490 [ 402.978910] ? if_nlmsg_size+0x5d1/0xbb0 [ 402.982981] ? nla_put_ifalias+0x170/0x170 [ 402.987232] ? softnet_seq_show+0x470/0x470 [ 402.991561] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 402.996587] ? netif_tx_stop_all_queues+0xd9/0x110 [ 403.001527] rtmsg_ifinfo_build_skb+0x74/0x190 [ 403.006124] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 403.010973] rtmsg_ifinfo+0x8c/0xa0 [ 403.014607] dev_close_many+0x3be/0x860 [ 403.018592] ? unlist_netdevice+0x670/0x670 [ 403.022917] ? find_held_lock+0x36/0x1c0 [ 403.027003] ? __queue_work+0x6be/0x1440 [ 403.031076] ? lock_downgrade+0x900/0x900 [ 403.035230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.040766] ? rtnl_is_locked+0xb5/0xf0 [ 403.044747] ? rtnl_trylock+0x20/0x20 [ 403.048555] ? do_raw_spin_unlock+0xa7/0x2f0 [ 403.052970] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 403.057567] rollback_registered_many+0x56e/0x1240 [ 403.062506] ? generic_xdp_install+0x4c0/0x4c0 [ 403.067101] ? max_active_store+0x170/0x170 [ 403.071425] ? graph_lock+0x170/0x170 [ 403.075226] ? print_usage_bug+0xc0/0xc0 [ 403.079289] ? print_usage_bug+0xc0/0xc0 [ 403.083352] ? kfree_skbmem+0x154/0x230 [ 403.087325] ? graph_lock+0x170/0x170 [ 403.091130] ? print_usage_bug+0xc0/0xc0 [ 403.095193] ? find_held_lock+0x36/0x1c0 [ 403.099268] ? mark_held_locks+0xc7/0x130 [ 403.103430] rollback_registered+0x1e9/0x420 [ 403.107838] ? lockdep_hardirqs_on+0x351/0x5c0 [ 403.112432] ? rollback_registered_many+0x1240/0x1240 [ 403.117641] ? trace_hardirqs_on+0xbd/0x310 [ 403.121964] ? linkwatch_schedule_work+0x150/0x170 [ 403.126925] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.132390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.137941] ? rtnl_is_locked+0xb5/0xf0 [ 403.141935] ? rtnl_trylock+0x20/0x20 [ 403.145744] ? queue_delayed_work_on+0x130/0x1f0 [ 403.150508] unregister_netdevice_queue+0x321/0x5e0 [ 403.155530] ? rollback_registered+0x420/0x420 [ 403.160143] ? linkwatch_schedule_work+0x170/0x170 [ 403.165080] ? tun_show_owner+0x170/0x170 [ 403.169232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.174773] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 403.180138] ? __tun_detach+0x6ba/0x15c0 [ 403.184212] __tun_detach+0x11b8/0x15c0 [ 403.188192] ? __call_rcu.constprop.69+0x429/0xbc0 [ 403.193136] ? tun_attach+0x1770/0x1770 [ 403.197115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.202652] ? check_preemption_disabled+0x48/0x200 [ 403.207680] ? graph_lock+0x170/0x170 [ 403.211487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.217025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.222569] ? locks_remove_file+0x3c6/0x5c0 [ 403.226980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.232526] ? ima_file_free+0x132/0x650 [ 403.236603] ? __lock_is_held+0xb5/0x140 [ 403.240672] ? __tun_detach+0x15c0/0x15c0 [ 403.244836] ? __tun_detach+0x15c0/0x15c0 [ 403.248994] tun_chr_close+0xe3/0x180 [ 403.252808] __fput+0x385/0xa30 [ 403.256111] ? get_max_files+0x20/0x20 [ 403.260022] ? ___might_sleep+0x1ed/0x300 [ 403.264191] ? arch_local_save_flags+0x40/0x40 [ 403.268797] ____fput+0x15/0x20 [ 403.272094] task_work_run+0x1e8/0x2a0 [ 403.276083] ? task_work_cancel+0x240/0x240 [ 403.280415] ? switch_task_namespaces+0xb8/0xd0 [ 403.285102] do_exit+0x1ad7/0x2610 [ 403.288664] ? mm_update_next_owner+0x990/0x990 [ 403.293338] ? print_usage_bug+0xc0/0xc0 [ 403.297411] ? __lock_acquire+0x7ec/0x4ec0 [ 403.301649] ? find_held_lock+0x36/0x1c0 [ 403.305721] ? __lock_acquire+0x7ec/0x4ec0 [ 403.309956] ? mark_held_locks+0x130/0x130 [ 403.314198] ? lock_acquire+0x1ed/0x520 [ 403.318184] ? mark_held_locks+0x130/0x130 [ 403.322418] ? arch_local_save_flags+0x40/0x40 [ 403.327004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.332567] ? __mutex_lock+0x872/0x1710 [ 403.336635] ? __switch_to_asm+0x40/0x70 [ 403.340692] ? __switch_to_asm+0x34/0x70 [ 403.344752] ? pipe_wait+0x266/0x2c0 [ 403.348476] ? mutex_trylock+0x2b0/0x2b0 [ 403.352556] ? graph_lock+0x170/0x170 [ 403.356363] ? find_held_lock+0x36/0x1c0 [ 403.360430] ? memset+0x31/0x40 [ 403.363717] ? find_held_lock+0x36/0x1c0 [ 403.367787] ? get_signal+0x95b/0x1980 [ 403.371679] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.376173] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.380680] do_group_exit+0x177/0x440 [ 403.384580] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.390032] ? __ia32_sys_exit+0x50/0x50 [ 403.394112] get_signal+0x8b0/0x1980 [ 403.397839] ? ptrace_notify+0x130/0x130 [ 403.401909] ? finish_wait+0x430/0x430 [ 403.405800] ? graph_lock+0x170/0x170 [ 403.409613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.415151] ? pipe_read+0x702/0x940 [ 403.418868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.424417] do_signal+0x9c/0x21e0 [ 403.427959] ? __vfs_read+0x11f/0x9b0 [ 403.431767] ? vfs_copy_file_range+0xb90/0xb90 [ 403.436352] ? setup_sigcontext+0x7d0/0x7d0 [ 403.440693] ? exit_to_usermode_loop+0x8c/0x380 [ 403.445380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.450927] exit_to_usermode_loop+0x2e5/0x380 [ 403.455518] ? syscall_slow_exit_work+0x520/0x520 [ 403.460368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.465919] do_syscall_64+0x6be/0x820 [ 403.469813] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 403.475183] ? syscall_return_slowpath+0x5e0/0x5e0 [ 403.480122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.485001] ? trace_hardirqs_off+0x300/0x300 [ 403.489505] ? prepare_exit_to_usermode+0x291/0x3b0 [ 403.494529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.499393] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.504583] RIP: 0033:0x410e10 [ 403.507780] Code: Bad RIP value. [ 403.511142] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 403.518852] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 403.526119] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 403.533385] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 403.540658] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 403.547927] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 403.555227] warn_alloc_show_mem: 1 callbacks suppressed [ 403.555239] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 403.555241] Mem-Info: [ 403.555271] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 403.555271] active_file:19 inactive_file:16 isolated_file:0 [ 403.555271] unevictable:0 dirty:0 writeback:0 unstable:0 [ 403.555271] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 403.555271] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 403.555271] free:13785 free_pcp:397 free_cma:0 [ 403.560615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.560624] Call Trace: [ 403.568165] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 403.570573] [ 403.603356] Node 0 [ 403.612720] dump_stack+0x1c4/0x2b4 [ 403.615295] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 403.642863] ? dump_stack_print_info.cold.2+0x52/0x52 [ 403.645251] lowmem_reserve[]: 0 [ 403.647507] warn_alloc.cold.118+0xb7/0x1bd [ 403.651272] 2815 [ 403.676773] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.681936] 6318 [ 403.685216] ? lock_downgrade+0x900/0x900 [ 403.689508] 6318 [ 403.691585] ? trace_hardirqs_off+0xb8/0x300 [ 403.698798] ? trace_hardirqs_off+0xb8/0x300 [ 403.702915] Node 0 [ 403.704980] __alloc_pages_slowpath+0x2667/0x2d80 [ 403.709381] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 403.713784] ? warn_alloc+0x120/0x120 [ 403.715974] lowmem_reserve[]: [ 403.720816] ? warn_alloc+0x120/0x120 [ 403.750382] 0 [ 403.754190] ? print_usage_bug+0xc0/0xc0 [ 403.757259] 0 3503 [ 403.761084] ? warn_alloc+0x120/0x120 [ 403.762861] 3503 [ 403.766918] ? print_usage_bug+0xc0/0xc0 [ 403.772930] ? __lock_acquire+0x7ec/0x4ec0 [ 403.774969] Node 0 [ 403.779026] ? __lock_acquire+0x7ec/0x4ec0 [ 403.783261] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 403.785467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.789683] lowmem_reserve[]: [ 403.818246] ? should_fail+0x22d/0xd01 [ 403.823758] 0 [ 403.826864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.830722] 0 [ 403.832522] ? __lock_acquire+0x7ec/0x4ec0 [ 403.837597] 0 [ 403.839397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.843597] 0 [ 403.845411] ? __lock_acquire+0x7ec/0x4ec0 [ 403.850486] Node 0 [ 403.852284] ? should_fail+0x22d/0xd01 [ 403.856485] DMA: 1*4kB [ 403.858735] ? mark_held_locks+0x130/0x130 [ 403.862590] (U) [ 403.865172] ? mark_held_locks+0x130/0x130 [ 403.869388] 0*8kB [ 403.871361] ? graph_lock+0x170/0x170 [ 403.875575] 0*16kB 1*32kB [ 403.877726] ? graph_lock+0x170/0x170 [ 403.881504] (U) [ 403.884344] ? graph_lock+0x170/0x170 [ 403.888122] 2*64kB [ 403.890095] ? print_usage_bug+0xc0/0xc0 [ 403.893867] (U) [ 403.896100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.900131] 1*128kB [ 403.902101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.907613] (U) [ 403.909927] ? check_preemption_disabled+0x48/0x200 [ 403.915438] 1*256kB [ 403.917405] ? check_preemption_disabled+0x48/0x200 [ 403.922396] (U) [ 403.924724] ? __lock_is_held+0xb5/0x140 [ 403.929707] 0*512kB [ 403.931683] __alloc_pages_nodemask+0xa80/0xde0 [ 403.935714] 1*1024kB (U) [ 403.938040] ? graph_lock+0x170/0x170 [ 403.942685] 1*2048kB [ 403.945437] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 403.949209] (M) [ 403.951612] ? graph_lock+0x170/0x170 [ 403.956606] 3*4096kB [ 403.958596] ? find_held_lock+0x36/0x1c0 [ 403.962355] (M) [ 403.964767] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.968799] = 15908kB [ 403.970798] ? lock_downgrade+0x900/0x900 [ 403.975441] Node 0 [ 403.977852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.981969] DMA32: [ 403.984204] cache_grow_begin+0x91/0x8c0 [ 403.989715] 3*4kB [ 403.991948] ? do_raw_spin_unlock+0xa7/0x2f0 [ 403.995981] (M) [ 403.998130] fallback_alloc+0x203/0x2e0 [ 404.002508] 1*8kB [ 404.004486] ____cache_alloc_node+0x1c7/0x1e0 [ 404.008431] (M) [ 404.010604] kmem_cache_alloc_node+0xe3/0x730 [ 404.015073] 3*16kB [ 404.017046] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.021508] (UM) [ 404.023751] __alloc_skb+0x119/0x770 [ 404.027953] 3*32kB [ 404.030013] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.033696] (UM) [ 404.035930] ? skb_scrub_packet+0x490/0x490 [ 404.041176] 2*64kB [ 404.043236] ? lock_downgrade+0x900/0x900 [ 404.047528] (UM) [ 404.049768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.053885] 5*128kB [ 404.055944] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.061465] (UM) [ 404.063784] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.069210] 3*256kB [ 404.071283] ? addrconf_rs_timer+0x6f0/0x6f0 [ 404.076704] (M) [ 404.079033] ndisc_alloc_skb+0x144/0x340 [ 404.083403] 4*512kB (M) [ 404.085385] ndisc_send_rs+0x331/0x6e0 [ 404.089419] 3*1024kB [ 404.092089] addrconf_rs_timer+0x3c0/0x6f0 [ 404.095947] (UM) [ 404.098356] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.102565] 3*2048kB (M) 3*4096kB [ 404.104658] call_timer_fn+0x272/0x920 [ 404.108853] (M) [ 404.112391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.116251] = 25252kB [ 404.118224] ? process_timeout+0x40/0x40 [ 404.122433] Node 0 [ 404.124841] ? find_held_lock+0x36/0x1c0 [ 404.128880] Normal: [ 404.131116] ? __run_timers+0x7da/0xc70 [ 404.135146] 1016*4kB [ 404.137466] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.141413] (UME) [ 404.143819] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.148291] 348*8kB [ 404.150434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.154904] (UME) [ 404.157225] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 404.161433] 167*16kB [ 404.163610] ? trace_hardirqs_on+0xbd/0x310 [ 404.168150] (UME) [ 404.170564] ? kasan_check_read+0x11/0x20 [ 404.174864] 68*32kB [ 404.177010] ? __run_timers+0x7da/0xc70 [ 404.181130] (UME) [ 404.183452] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.187400] 21*64kB [ 404.189559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.194976] (M) [ 404.197298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.201505] 6*128kB [ 404.203478] __run_timers+0x7e5/0xc70 [ 404.207688] (UM) [ 404.210019] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 404.213784] 1*256kB [ 404.215841] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 404.221176] (U) [ 404.223495] ? graph_lock+0x170/0x170 [ 404.228486] 0*512kB [ 404.230455] ? enqueue_hrtimer+0x1a5/0x560 [ 404.234273] 0*1024kB [ 404.236596] ? lock_release+0x970/0x970 [ 404.240808] 0*2048kB [ 404.243210] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 404.247174] 0*4096kB [ 404.249594] ? find_held_lock+0x36/0x1c0 [ 404.254756] = 14064kB [ 404.257162] ? graph_lock+0x170/0x170 [ 404.261205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 404.263606] ? pvclock_read_flags+0x160/0x160 [ 404.267388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 404.276231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.280699] 503 total pagecache pages [ 404.289263] ? check_preemption_disabled+0x48/0x200 [ 404.294783] 0 pages in swap cache [ 404.298597] ? __lock_is_held+0xb5/0x140 [ 404.303584] Swap cache stats: add 0, delete 0, find 0/0 [ 404.307032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.311063] Free swap = 0kB [ 404.316418] ? check_preemption_disabled+0x48/0x200 [ 404.321930] Total swap = 0kB [ 404.324945] run_timer_softirq+0x52/0xb0 [ 404.329937] 1965979 pages RAM [ 404.332948] ? rcu_read_lock_sched_held+0x108/0x120 [ 404.336979] 0 pages HighMem/MovableOnly [ 404.336988] 343324 pages reserved [ 404.340092] __do_softirq+0x30b/0xad8 [ 404.345088] 0 pages cma reserved [ 404.345203] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.349088] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 404.352585] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.356300] ? pvclock_read_flags+0x160/0x160 [ 404.359646] syz-executor2 cpuset= [ 404.366130] ? lapic_next_event+0x5a/0x90 [ 404.371209] syz2 [ 404.381691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.386159] mems_allowed=0 [ 404.389605] ? check_preemption_disabled+0x48/0x200 [ 404.409142] ? check_preemption_disabled+0x48/0x200 [ 404.414167] ? kvm_clock_read+0x18/0x30 [ 404.418144] ? kvm_sched_clock_read+0x9/0x20 [ 404.422573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.428113] ? check_preemption_disabled+0x48/0x200 [ 404.433146] irq_exit+0x17f/0x1c0 [ 404.436607] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.441448] ? smp_reschedule_interrupt+0x109/0x650 [ 404.446466] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.452352] ? interrupt_entry+0xb5/0xf0 [ 404.456420] ? trace_hardirqs_off_caller+0xbb/0x300 [ 404.461434] ? trace_hardirqs_off_caller+0xbb/0x300 [ 404.466453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.471295] ? trace_hardirqs_off+0x300/0x300 [ 404.475792] ? trace_hardirqs_off+0x300/0x300 [ 404.480291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.485831] ? check_preemption_disabled+0x48/0x200 [ 404.490854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.496418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.501315] apic_timer_interrupt+0xf/0x20 [ 404.505558] [ 404.507811] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 404.512741] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 404.531644] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 404.539354] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 404.546624] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 404.553892] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 404.561164] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 404.568439] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 404.575763] skb_clone+0x1bb/0x500 [ 404.579310] ? skb_split+0x11e0/0x11e0 [ 404.583204] ? preempt_notifier_register+0x200/0x200 [ 404.588311] ? __switch_to_asm+0x34/0x70 [ 404.592373] ? __switch_to_asm+0x34/0x70 [ 404.596432] ? __switch_to_asm+0x40/0x70 [ 404.600491] ? __switch_to_asm+0x34/0x70 [ 404.604563] ? __switch_to_asm+0x40/0x70 [ 404.608636] ? __switch_to_asm+0x40/0x70 [ 404.612699] ? __switch_to_asm+0x34/0x70 [ 404.616762] ? __switch_to_asm+0x34/0x70 [ 404.620822] ? __switch_to_asm+0x40/0x70 [ 404.624881] ? __switch_to_asm+0x34/0x70 [ 404.628952] bpf_clone_redirect+0xb9/0x490 [ 404.633199] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 404.638223] ? __sched_text_start+0x8/0x8 [ 404.642372] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.647617] ? find_held_lock+0x36/0x1c0 [ 404.651691] ? lock_acquire+0x1ed/0x520 [ 404.655666] ? bpf_test_run+0x32e/0x5a0 [ 404.659641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.665178] ? check_preemption_disabled+0x48/0x200 [ 404.670207] ? kasan_check_read+0x11/0x20 [ 404.674364] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.679644] ? rcu_bh_qs+0xc0/0xc0 [ 404.683188] ? preempt_schedule+0x4d/0x60 [ 404.687337] ? ___preempt_schedule+0x16/0x18 [ 404.691751] ? bpf_test_run+0x1c0/0x5a0 [ 404.695727] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 404.700591] ? netlink_diag_dump+0x2a0/0x2a0 [ 404.705004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.710540] ? bpf_test_init.isra.9+0x70/0x100 [ 404.715146] ? bpf_prog_test_run_skb+0x634/0xb40 [ 404.719909] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 404.724753] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 404.730290] ? fput+0x130/0x1a0 [ 404.733584] ? __bpf_prog_get+0x9b/0x290 [ 404.737655] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 404.742496] ? bpf_prog_test_run+0x130/0x1a0 [ 404.746911] ? __x64_sys_bpf+0x3d8/0x510 [ 404.750973] ? bpf_prog_get+0x20/0x20 [ 404.754801] ? do_syscall_64+0x1b9/0x820 [ 404.758865] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 404.764237] ? syscall_return_slowpath+0x5e0/0x5e0 [ 404.769172] ? trace_hardirqs_off+0x300/0x300 [ 404.773678] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 404.778944] ? recalc_sigpending_tsk+0x180/0x180 [ 404.783703] ? kasan_check_write+0x14/0x20 [ 404.787946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.792802] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.798188] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 404.798275] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.805400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.805406] Call Trace: [ 404.805413] [ 404.805430] dump_stack+0x1c4/0x2b4 [ 404.805446] ? dump_stack_print_info.cold.2+0x52/0x52 [ 404.805473] warn_alloc.cold.118+0xb7/0x1bd [ 404.812005] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.821296] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.823856] syz-executor4 cpuset= [ 404.826012] ? lock_downgrade+0x900/0x900 [ 404.829612] syz4 [ 404.834799] ? trace_hardirqs_off+0xb8/0x300 [ 404.839096] mems_allowed=0 [ 404.849583] ? trace_hardirqs_off+0xb8/0x300 [ 404.875743] __alloc_pages_slowpath+0x2667/0x2d80 [ 404.880626] ? warn_alloc+0x120/0x120 [ 404.884430] ? graph_lock+0x170/0x170 [ 404.888233] ? warn_alloc+0x120/0x120 [ 404.892039] ? print_usage_bug+0xc0/0xc0 [ 404.896108] ? warn_alloc+0x120/0x120 [ 404.899911] ? print_usage_bug+0xc0/0xc0 [ 404.903974] ? __lock_acquire+0x7ec/0x4ec0 [ 404.908210] ? __lock_acquire+0x7ec/0x4ec0 [ 404.912449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.917986] ? should_fail+0x22d/0xd01 [ 404.921880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.926983] ? __lock_acquire+0x7ec/0x4ec0 [ 404.931223] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.936323] ? __lock_acquire+0x7ec/0x4ec0 [ 404.940567] ? should_fail+0x22d/0xd01 [ 404.944465] ? mark_held_locks+0x130/0x130 [ 404.948709] ? mark_held_locks+0x130/0x130 [ 404.952963] ? graph_lock+0x170/0x170 [ 404.956764] ? graph_lock+0x170/0x170 [ 404.960580] ? graph_lock+0x170/0x170 [ 404.964380] ? print_usage_bug+0xc0/0xc0 [ 404.968440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.973980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.979522] ? check_preemption_disabled+0x48/0x200 [ 404.984565] ? check_preemption_disabled+0x48/0x200 [ 404.989612] ? __lock_is_held+0xb5/0x140 [ 404.993696] __alloc_pages_nodemask+0xa80/0xde0 [ 404.998383] ? graph_lock+0x170/0x170 [ 405.002204] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 405.007231] ? graph_lock+0x170/0x170 [ 405.011049] ? find_held_lock+0x36/0x1c0 [ 405.015129] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.019806] ? lock_downgrade+0x900/0x900 [ 405.023967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.029519] cache_grow_begin+0x91/0x8c0 [ 405.033592] ? do_raw_spin_unlock+0xa7/0x2f0 [ 405.038012] fallback_alloc+0x203/0x2e0 [ 405.041999] ____cache_alloc_node+0x1c7/0x1e0 [ 405.046500] kmem_cache_alloc_node+0xe3/0x730 [ 405.051002] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.055248] __alloc_skb+0x119/0x770 [ 405.058982] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.064371] ? skb_scrub_packet+0x490/0x490 [ 405.068694] ? lock_downgrade+0x900/0x900 [ 405.072850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.078388] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.083841] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.089297] ? addrconf_rs_timer+0x6f0/0x6f0 [ 405.093721] ndisc_alloc_skb+0x144/0x340 [ 405.097788] ndisc_send_rs+0x331/0x6e0 [ 405.101690] addrconf_rs_timer+0x3c0/0x6f0 [ 405.105936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.110186] call_timer_fn+0x272/0x920 [ 405.114078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.118316] ? process_timeout+0x40/0x40 [ 405.122375] ? find_held_lock+0x36/0x1c0 [ 405.126444] ? mark_held_locks+0xc7/0x130 [ 405.130596] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.135099] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.139593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.143827] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 405.148415] ? trace_hardirqs_on+0xbd/0x310 [ 405.152735] ? kasan_check_read+0x11/0x20 [ 405.156885] ? __run_timers+0x7da/0xc70 [ 405.160868] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.166331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.170579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.174822] __run_timers+0x7e5/0xc70 [ 405.178642] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 405.184008] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.189026] ? graph_lock+0x170/0x170 [ 405.192832] ? print_usage_bug+0xc0/0xc0 [ 405.196889] ? lock_release+0x970/0x970 [ 405.200867] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.206063] ? find_held_lock+0x36/0x1c0 [ 405.210136] ? graph_lock+0x170/0x170 [ 405.213946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.219481] ? check_preemption_disabled+0x48/0x200 [ 405.224512] ? __lock_is_held+0xb5/0x140 [ 405.228586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.234124] ? check_preemption_disabled+0x48/0x200 [ 405.239149] run_timer_softirq+0x52/0xb0 [ 405.243210] ? rcu_read_lock_sched_held+0x108/0x120 [ 405.248233] __do_softirq+0x30b/0xad8 [ 405.252051] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 405.257169] ? pvclock_read_flags+0x160/0x160 [ 405.261668] ? lapic_next_event+0x5a/0x90 [ 405.265818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.271362] ? check_preemption_disabled+0x48/0x200 [ 405.276381] ? check_preemption_disabled+0x48/0x200 [ 405.281410] ? kvm_clock_read+0x18/0x30 [ 405.285387] ? kvm_sched_clock_read+0x9/0x20 [ 405.289814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.295383] ? check_preemption_disabled+0x48/0x200 [ 405.300418] irq_exit+0x17f/0x1c0 [ 405.303878] smp_apic_timer_interrupt+0x1cb/0x760 [ 405.308727] ? smp_reschedule_interrupt+0x109/0x650 [ 405.313748] ? smp_call_function_single_interrupt+0x650/0x650 [ 405.319633] ? interrupt_entry+0xb5/0xf0 [ 405.323702] ? trace_hardirqs_off_caller+0xbb/0x300 [ 405.328715] ? trace_hardirqs_off_caller+0xbb/0x300 [ 405.333734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.338581] ? trace_hardirqs_off+0x300/0x300 [ 405.343094] ? trace_hardirqs_off+0x300/0x300 [ 405.347595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.353133] ? check_preemption_disabled+0x48/0x200 [ 405.358149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.363701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.368569] apic_timer_interrupt+0xf/0x20 [ 405.372802] [ 405.375045] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 405.380327] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 405.399224] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 405.406934] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 405.414202] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 405.421473] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 405.428742] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 405.436010] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 405.443304] ? arch_local_irq_restore+0x45/0x52 [ 405.447984] dump_stack+0x26a/0x2b4 [ 405.451620] ? dump_stack_print_info.cold.2+0x52/0x52 [ 405.458118] ? mark_held_locks+0x130/0x130 [ 405.462357] ? mark_held_locks+0x130/0x130 [ 405.466599] dump_header+0x27b/0xf72 [ 405.470460] ? pagefault_out_of_memory+0x197/0x197 [ 405.475394] ? mark_held_locks+0x130/0x130 [ 405.479635] ? __lock_acquire+0x7ec/0x4ec0 [ 405.483875] ? print_usage_bug+0xc0/0xc0 [ 405.487945] ? graph_lock+0x170/0x170 [ 405.491746] ? graph_lock+0x170/0x170 [ 405.495556] ? print_usage_bug+0xc0/0xc0 [ 405.499617] ? print_usage_bug+0xc0/0xc0 [ 405.503687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.509230] ? find_held_lock+0x36/0x1c0 [ 405.513303] ? mark_held_locks+0xc7/0x130 [ 405.517456] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 405.522587] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 405.527699] ? lockdep_hardirqs_on+0x421/0x5c0 [ 405.532473] ? trace_hardirqs_on+0xbd/0x310 [ 405.536797] ? kasan_check_read+0x11/0x20 [ 405.540947] ? ___ratelimit+0x36f/0x655 [ 405.544927] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.550384] ? trace_hardirqs_on+0x310/0x310 [ 405.554792] ? lock_downgrade+0x900/0x900 [ 405.558948] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 405.564111] ? ___ratelimit+0xaa/0x655 [ 405.568006] ? idr_get_free+0xec0/0xec0 [ 405.571979] ? kasan_check_write+0x14/0x20 [ 405.576223] ? do_raw_spin_lock+0xc1/0x200 [ 405.580467] oom_kill_process.cold.27+0x10/0x903 [ 405.585227] ? graph_lock+0x170/0x170 [ 405.589028] ? _raw_spin_unlock+0x2c/0x50 [ 405.593181] ? oom_badness+0xe6/0xaa0 [ 405.596987] ? oom_evaluate_task+0x540/0x540 [ 405.601405] ? find_held_lock+0x36/0x1c0 [ 405.605475] ? out_of_memory+0x974/0x14c0 [ 405.609627] ? lock_downgrade+0x900/0x900 [ 405.613773] ? check_preemption_disabled+0x48/0x200 [ 405.618799] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 405.624613] ? kasan_check_read+0x11/0x20 [ 405.628788] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.634101] ? rcu_bh_qs+0xc0/0xc0 [ 405.637656] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.642677] ? oom_evaluate_task+0x302/0x540 [ 405.647371] out_of_memory+0xa86/0x14c0 [ 405.651361] ? oom_killer_disable+0x3a0/0x3a0 [ 405.655856] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 405.660787] ? __mutex_add_waiter+0x2a0/0x2a0 [ 405.665469] __alloc_pages_slowpath+0x2318/0x2d80 [ 405.670342] ? warn_alloc+0x120/0x120 [ 405.674150] ? lock_downgrade+0x900/0x900 [ 405.678303] ? print_usage_bug+0xc0/0xc0 [ 405.682364] ? warn_alloc+0x120/0x120 [ 405.686166] ? print_usage_bug+0xc0/0xc0 [ 405.690231] ? debug_check_no_obj_freed+0x305/0x58d [ 405.695251] ? print_usage_bug+0xc0/0xc0 [ 405.699315] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.704851] ? should_fail+0x22d/0xd01 [ 405.708743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.713845] ? __lock_acquire+0x7ec/0x4ec0 [ 405.718116] ? __lock_is_held+0xb5/0x140 [ 405.722190] ? graph_lock+0x170/0x170 [ 405.725993] ? ___might_sleep+0x1ed/0x300 [ 405.730140] ? lock_release+0x970/0x970 [ 405.734119] ? arch_local_save_flags+0x40/0x40 [ 405.738714] ? __might_sleep+0x95/0x190 [ 405.742699] __alloc_pages_nodemask+0xa80/0xde0 [ 405.747375] ? graph_lock+0x170/0x170 [ 405.751186] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 405.756206] ? graph_lock+0x170/0x170 [ 405.760020] ? mark_held_locks+0xc7/0x130 [ 405.764170] ? find_held_lock+0x36/0x1c0 [ 405.768241] ? cache_grow_begin+0x5a4/0x8c0 [ 405.772571] ? lockdep_hardirqs_on+0x421/0x5c0 [ 405.777159] ? trace_hardirqs_on+0xbd/0x310 [ 405.781483] ? fallback_alloc+0x203/0x2e0 [ 405.785631] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.791100] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 405.796649] cache_grow_begin+0x91/0x8c0 [ 405.800715] ? do_raw_spin_unlock+0xa7/0x2f0 [ 405.805140] fallback_alloc+0x203/0x2e0 [ 405.809126] ____cache_alloc_node+0x1c7/0x1e0 [ 405.813629] kmem_cache_alloc_node_trace+0xe7/0x740 [ 405.818658] __kmalloc_node_track_caller+0x33/0x70 [ 405.823592] __kmalloc_reserve.isra.39+0x41/0xe0 [ 405.828357] __alloc_skb+0x155/0x770 [ 405.832082] ? skb_scrub_packet+0x490/0x490 [ 405.836410] ? if_nlmsg_size+0x5d1/0xbb0 [ 405.840479] ? nla_put_ifalias+0x170/0x170 [ 405.844729] ? softnet_seq_show+0x470/0x470 [ 405.849048] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 405.854066] ? netif_tx_stop_all_queues+0xd9/0x110 [ 405.859006] rtmsg_ifinfo_build_skb+0x74/0x190 [ 405.863594] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 405.868445] rtmsg_ifinfo+0x8c/0xa0 [ 405.872084] dev_close_many+0x3be/0x860 [ 405.876075] ? unlist_netdevice+0x670/0x670 [ 405.880399] ? find_held_lock+0x36/0x1c0 [ 405.884467] ? __queue_work+0x6be/0x1440 [ 405.888530] ? lock_downgrade+0x900/0x900 [ 405.892694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.898233] ? rtnl_is_locked+0xb5/0xf0 [ 405.902214] ? rtnl_trylock+0x20/0x20 [ 405.906018] ? do_raw_spin_unlock+0xa7/0x2f0 [ 405.910428] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 405.915016] rollback_registered_many+0x56e/0x1240 [ 405.919954] ? generic_xdp_install+0x4c0/0x4c0 [ 405.924541] ? max_active_store+0x170/0x170 [ 405.928881] ? graph_lock+0x170/0x170 [ 405.932687] ? print_usage_bug+0xc0/0xc0 [ 405.936748] ? print_usage_bug+0xc0/0xc0 [ 405.940809] ? kfree_skbmem+0x154/0x230 [ 405.944782] ? graph_lock+0x170/0x170 [ 405.948589] ? print_usage_bug+0xc0/0xc0 [ 405.952652] ? find_held_lock+0x36/0x1c0 [ 405.956726] ? mark_held_locks+0xc7/0x130 [ 405.960883] rollback_registered+0x1e9/0x420 [ 405.965291] ? lockdep_hardirqs_on+0x351/0x5c0 [ 405.969876] ? rollback_registered_many+0x1240/0x1240 [ 405.975075] ? trace_hardirqs_on+0xbd/0x310 [ 405.979399] ? linkwatch_schedule_work+0x150/0x170 [ 405.984330] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.989788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.995343] ? rtnl_is_locked+0xb5/0xf0 [ 405.999322] ? rtnl_trylock+0x20/0x20 [ 406.003127] ? queue_delayed_work_on+0x130/0x1f0 [ 406.007888] unregister_netdevice_queue+0x321/0x5e0 [ 406.012909] ? rollback_registered+0x420/0x420 [ 406.017492] ? linkwatch_schedule_work+0x170/0x170 [ 406.022427] ? tun_show_owner+0x170/0x170 [ 406.026583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.032231] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 406.037597] ? __tun_detach+0x6ba/0x15c0 [ 406.041668] __tun_detach+0x11b8/0x15c0 [ 406.045647] ? __call_rcu.constprop.69+0x429/0xbc0 [ 406.050591] ? tun_attach+0x1770/0x1770 [ 406.054579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.060116] ? check_preemption_disabled+0x48/0x200 [ 406.065162] ? graph_lock+0x170/0x170 [ 406.068968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.074509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.080046] ? locks_remove_file+0x3c6/0x5c0 [ 406.084463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.090003] ? ima_file_free+0x132/0x650 [ 406.094081] ? __lock_is_held+0xb5/0x140 [ 406.098153] ? __tun_detach+0x15c0/0x15c0 [ 406.102369] ? __tun_detach+0x15c0/0x15c0 [ 406.106533] tun_chr_close+0xe3/0x180 [ 406.110343] __fput+0x385/0xa30 [ 406.113629] ? get_max_files+0x20/0x20 [ 406.117521] ? ___might_sleep+0x1ed/0x300 [ 406.121682] ? arch_local_save_flags+0x40/0x40 [ 406.126275] ____fput+0x15/0x20 [ 406.129565] task_work_run+0x1e8/0x2a0 [ 406.133456] ? task_work_cancel+0x240/0x240 [ 406.137786] ? switch_task_namespaces+0xb8/0xd0 [ 406.142461] do_exit+0x1ad7/0x2610 [ 406.146012] ? mm_update_next_owner+0x990/0x990 [ 406.150686] ? print_usage_bug+0xc0/0xc0 [ 406.154754] ? __lock_acquire+0x7ec/0x4ec0 [ 406.158991] ? find_held_lock+0x36/0x1c0 [ 406.163062] ? __lock_acquire+0x7ec/0x4ec0 [ 406.167306] ? mark_held_locks+0x130/0x130 [ 406.171556] ? lock_acquire+0x1ed/0x520 [ 406.175540] ? mark_held_locks+0x130/0x130 [ 406.179790] ? arch_local_save_flags+0x40/0x40 [ 406.184374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.189930] ? __mutex_lock+0x872/0x1710 [ 406.193991] ? __switch_to_asm+0x40/0x70 [ 406.198049] ? __switch_to_asm+0x34/0x70 [ 406.202117] ? pipe_wait+0x266/0x2c0 [ 406.205838] ? mutex_trylock+0x2b0/0x2b0 [ 406.209910] ? graph_lock+0x170/0x170 [ 406.213714] ? find_held_lock+0x36/0x1c0 [ 406.217779] ? memset+0x31/0x40 [ 406.221065] ? find_held_lock+0x36/0x1c0 [ 406.225145] ? get_signal+0x95b/0x1980 [ 406.229038] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.233535] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.238050] do_group_exit+0x177/0x440 [ 406.241951] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.247401] ? __ia32_sys_exit+0x50/0x50 [ 406.251474] get_signal+0x8b0/0x1980 [ 406.255201] ? ptrace_notify+0x130/0x130 [ 406.259266] ? finish_wait+0x430/0x430 [ 406.263153] ? graph_lock+0x170/0x170 [ 406.266961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.272500] ? pipe_read+0x702/0x940 [ 406.276216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.281767] do_signal+0x9c/0x21e0 [ 406.285309] ? __vfs_read+0x11f/0x9b0 [ 406.289119] ? vfs_copy_file_range+0xb90/0xb90 [ 406.293711] ? setup_sigcontext+0x7d0/0x7d0 [ 406.298054] ? exit_to_usermode_loop+0x8c/0x380 [ 406.302750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.308300] exit_to_usermode_loop+0x2e5/0x380 [ 406.312887] ? syscall_slow_exit_work+0x520/0x520 [ 406.317731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.323282] do_syscall_64+0x6be/0x820 [ 406.327172] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 406.332539] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.337478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.342324] ? trace_hardirqs_off+0x300/0x300 [ 406.346824] ? prepare_exit_to_usermode+0x291/0x3b0 [ 406.351849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.356705] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.361893] RIP: 0033:0x410e10 [ 406.365094] Code: Bad RIP value. [ 406.368456] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 406.376166] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 406.383434] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 406.390703] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 406.397971] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 406.405237] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 406.412538] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 406.412543] warn_alloc_show_mem: 1 callbacks suppressed [ 406.412559] Mem-Info: [ 406.419843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.425213] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 406.425213] active_file:19 inactive_file:16 isolated_file:0 [ 406.425213] unevictable:0 dirty:0 writeback:0 unstable:0 [ 406.425213] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 406.425213] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 406.425213] free:13785 free_pcp:397 free_cma:0 [ 406.427589] Call Trace: [ 406.436977] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 406.469740] [ 406.472314] Node 0 [ 406.499906] dump_stack+0x1c4/0x2b4 [ 406.502058] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 406.504282] ? dump_stack_print_info.cold.2+0x52/0x52 [ 406.507884] lowmem_reserve[]: [ 406.533395] warn_alloc.cold.118+0xb7/0x1bd [ 406.538554] 0 [ 406.541654] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.545950] 2815 [ 406.547750] ? lock_downgrade+0x900/0x900 [ 406.552576] 6318 [ 406.554637] ? trace_hardirqs_off+0xb8/0x300 [ 406.558757] 6318 [ 406.560818] ? trace_hardirqs_off+0xb8/0x300 [ 406.565200] Node 0 [ 406.567264] __alloc_pages_slowpath+0x2667/0x2d80 [ 406.571664] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 406.573897] ? warn_alloc+0x120/0x120 [ 406.578688] lowmem_reserve[]: [ 406.605402] ? warn_alloc+0x120/0x120 [ 406.609173] 0 [ 406.612273] ? print_usage_bug+0xc0/0xc0 [ 406.616047] 0 [ 406.617844] ? warn_alloc+0x120/0x120 [ 406.621872] 3503 3503 [ 406.623680] ? print_usage_bug+0xc0/0xc0 [ 406.629947] ? __lock_acquire+0x7ec/0x4ec0 [ 406.633982] Node 0 [ 406.638205] ? __lock_acquire+0x7ec/0x4ec0 [ 406.638241] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 406.640448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.644751] lowmem_reserve[]: 0 [ 406.673297] ? should_fail+0x22d/0xd01 [ 406.678805] 0 [ 406.682081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.685944] 0 [ 406.687741] ? __lock_acquire+0x7ec/0x4ec0 [ 406.692820] 0 [ 406.694622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.700632] ? __lock_acquire+0x7ec/0x4ec0 [ 406.705709] Node 0 [ 406.709934] ? should_fail+0x22d/0xd01 [ 406.709944] DMA: [ 406.712183] ? mark_held_locks+0x130/0x130 [ 406.716043] 1*4kB [ 406.718103] ? mark_held_locks+0x130/0x130 [ 406.722313] (U) [ 406.724457] ? graph_lock+0x170/0x170 [ 406.728665] 0*8kB [ 406.730631] ? graph_lock+0x170/0x170 [ 406.734409] 0*16kB [ 406.736560] ? graph_lock+0x170/0x170 [ 406.740335] 1*32kB [ 406.742577] ? print_usage_bug+0xc0/0xc0 [ 406.746348] (U) [ 406.748594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.752631] 2*64kB [ 406.754617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.760128] (U) [ 406.762358] ? check_preemption_disabled+0x48/0x200 [ 406.767871] 1*128kB [ 406.769842] ? check_preemption_disabled+0x48/0x200 [ 406.775305] (U) 1*256kB [ 406.777645] ? __lock_is_held+0xb5/0x140 [ 406.782626] (U) [ 406.785298] __alloc_pages_nodemask+0xa80/0xde0 [ 406.789331] 0*512kB [ 406.791299] ? graph_lock+0x170/0x170 [ 406.795944] 1*1024kB [ 406.798259] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 406.802032] (U) [ 406.804439] ? graph_lock+0x170/0x170 [ 406.809445] 1*2048kB (M) [ 406.811436] ? find_held_lock+0x36/0x1c0 [ 406.815201] 3*4096kB [ 406.817961] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.821989] (M) [ 406.824396] ? lock_downgrade+0x900/0x900 [ 406.829039] = 15908kB [ 406.831017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.835137] Node 0 [ 406.837553] cache_grow_begin+0x91/0x8c0 [ 406.843077] DMA32: [ 406.845308] ? do_raw_spin_unlock+0xa7/0x2f0 [ 406.849344] 3*4kB [ 406.851591] fallback_alloc+0x203/0x2e0 [ 406.855962] (M) [ 406.858112] ____cache_alloc_node+0x1c7/0x1e0 [ 406.862059] 1*8kB [ 406.864036] kmem_cache_alloc_node+0xe3/0x730 [ 406.868503] (M) [ 406.870649] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.875115] 3*16kB [ 406.877092] __alloc_skb+0x119/0x770 [ 406.881301] (UM) [ 406.883535] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.887227] 3*32kB [ 406.889286] ? skb_scrub_packet+0x490/0x490 [ 406.894536] (UM) [ 406.896776] ? lock_downgrade+0x900/0x900 [ 406.901076] 2*64kB [ 406.903135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.907251] (UM) [ 406.909484] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.914996] 5*128kB [ 406.917055] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.922481] (UM) [ 406.924805] ? addrconf_rs_timer+0x6f0/0x6f0 [ 406.930228] 3*256kB [ 406.932297] ndisc_alloc_skb+0x144/0x340 [ 406.936668] (M) [ 406.938991] ndisc_send_rs+0x331/0x6e0 [ 406.943022] 4*512kB [ 406.944998] addrconf_rs_timer+0x3c0/0x6f0 [ 406.948854] (M) [ 406.951177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.955384] 3*1024kB [ 406.957365] call_timer_fn+0x272/0x920 [ 406.961571] (UM) 3*2048kB [ 406.963992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.967857] (M) [ 406.970700] ? process_timeout+0x40/0x40 [ 406.974908] 3*4096kB [ 406.976882] ? find_held_lock+0x36/0x1c0 [ 406.980917] (M) [ 406.983328] ? __run_timers+0x7da/0xc70 [ 406.987360] = 25252kB [ 406.989328] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.993277] Node 0 [ 406.995680] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.000150] Normal: [ 407.002382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.006851] 1016*4kB [ 407.009171] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 407.013378] (UME) [ 407.015783] ? trace_hardirqs_on+0xbd/0x310 [ 407.020341] 348*8kB [ 407.022486] ? kasan_check_read+0x11/0x20 [ 407.026781] (UME) [ 407.029102] ? __run_timers+0x7da/0xc70 [ 407.033223] 167*16kB [ 407.035369] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.039312] (UME) [ 407.041723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.047146] 68*32kB [ 407.049300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.053591] (UME) [ 407.055921] __run_timers+0x7e5/0xc70 [ 407.060127] 21*64kB [ 407.062281] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 407.066044] (M) [ 407.068364] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 407.073704] 6*128kB [ 407.075678] ? graph_lock+0x170/0x170 [ 407.080669] (UM) [ 407.082987] ? enqueue_hrtimer+0x1a5/0x560 [ 407.086766] 1*256kB [ 407.088826] ? lock_release+0x970/0x970 [ 407.093037] (U) [ 407.095358] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 407.099308] 0*512kB [ 407.101282] ? find_held_lock+0x36/0x1c0 [ 407.106441] 0*1024kB 0*2048kB [ 407.108772] ? graph_lock+0x170/0x170 [ 407.112808] 0*4096kB [ 407.115992] ? pvclock_read_flags+0x160/0x160 [ 407.119767] = 14064kB [ 407.122170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.126652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 407.129050] ? check_preemption_disabled+0x48/0x200 [ 407.134572] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 407.143404] ? __lock_is_held+0xb5/0x140 [ 407.148390] 503 total pagecache pages [ 407.156961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.161007] 0 pages in swap cache [ 407.164806] ? check_preemption_disabled+0x48/0x200 [ 407.170330] Swap cache stats: add 0, delete 0, find 0/0 [ 407.173795] run_timer_softirq+0x52/0xb0 [ 407.178784] Free swap = 0kB [ 407.184161] ? rcu_read_lock_sched_held+0x108/0x120 [ 407.188199] Total swap = 0kB [ 407.191217] __do_softirq+0x30b/0xad8 [ 407.196202] 1965979 pages RAM [ 407.199228] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 407.202991] 0 pages HighMem/MovableOnly [ 407.206099] ? pvclock_read_flags+0x160/0x160 [ 407.211175] 343324 pages reserved [ 407.215230] ? lapic_next_event+0x5a/0x90 [ 407.219704] 0 pages cma reserved [ 407.223152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.227349] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.230631] ? check_preemption_disabled+0x48/0x200 [ 407.236246] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.242639] ? check_preemption_disabled+0x48/0x200 [ 407.247632] syz-executor2 cpuset= [ 407.258112] ? kvm_clock_read+0x18/0x30 [ 407.263105] syz2 [ 407.266561] ? kvm_sched_clock_read+0x9/0x20 [ 407.270509] mems_allowed=0 [ 407.272481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.285306] ? check_preemption_disabled+0x48/0x200 [ 407.290334] irq_exit+0x17f/0x1c0 [ 407.293791] smp_apic_timer_interrupt+0x1cb/0x760 [ 407.298651] ? smp_reschedule_interrupt+0x109/0x650 [ 407.303672] ? smp_call_function_single_interrupt+0x650/0x650 [ 407.309573] ? interrupt_entry+0xb5/0xf0 [ 407.313639] ? trace_hardirqs_off_caller+0xbb/0x300 [ 407.318656] ? trace_hardirqs_off_caller+0xbb/0x300 [ 407.323675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.328522] ? trace_hardirqs_off+0x300/0x300 [ 407.333026] ? trace_hardirqs_off+0x300/0x300 [ 407.337527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.343079] ? check_preemption_disabled+0x48/0x200 [ 407.348097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.353648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.358500] apic_timer_interrupt+0xf/0x20 [ 407.362730] [ 407.364970] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 407.369900] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 407.388801] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 407.396511] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 407.403777] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 407.411043] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 407.418308] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 407.425584] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 407.432905] skb_clone+0x1bb/0x500 [ 407.436458] ? skb_split+0x11e0/0x11e0 [ 407.440350] ? preempt_notifier_register+0x200/0x200 [ 407.445452] ? __switch_to_asm+0x34/0x70 [ 407.449513] ? __switch_to_asm+0x34/0x70 [ 407.453586] ? __switch_to_asm+0x40/0x70 [ 407.457646] ? __switch_to_asm+0x34/0x70 [ 407.461706] ? __switch_to_asm+0x40/0x70 [ 407.465767] ? __switch_to_asm+0x40/0x70 [ 407.469830] ? __switch_to_asm+0x34/0x70 [ 407.473891] ? __switch_to_asm+0x34/0x70 [ 407.477949] ? __switch_to_asm+0x40/0x70 [ 407.482007] ? __switch_to_asm+0x34/0x70 [ 407.486076] bpf_clone_redirect+0xb9/0x490 [ 407.490320] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 407.495345] ? __sched_text_start+0x8/0x8 [ 407.499494] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.504265] ? find_held_lock+0x36/0x1c0 [ 407.508335] ? lock_acquire+0x1ed/0x520 [ 407.512308] ? bpf_test_run+0x32e/0x5a0 [ 407.516288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.521825] ? check_preemption_disabled+0x48/0x200 [ 407.526846] ? kasan_check_read+0x11/0x20 [ 407.530996] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 407.536275] ? rcu_bh_qs+0xc0/0xc0 [ 407.539820] ? preempt_schedule+0x4d/0x60 [ 407.543973] ? ___preempt_schedule+0x16/0x18 [ 407.548389] ? bpf_test_run+0x1c0/0x5a0 [ 407.552368] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 407.557216] ? netlink_diag_dump+0x2a0/0x2a0 [ 407.561631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.567168] ? bpf_test_init.isra.9+0x70/0x100 [ 407.571755] ? bpf_prog_test_run_skb+0x634/0xb40 [ 407.576518] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 407.581368] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 407.586903] ? fput+0x130/0x1a0 [ 407.590187] ? __bpf_prog_get+0x9b/0x290 [ 407.594256] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 407.599111] ? bpf_prog_test_run+0x130/0x1a0 [ 407.603526] ? __x64_sys_bpf+0x3d8/0x510 [ 407.607616] ? bpf_prog_get+0x20/0x20 [ 407.611440] ? do_syscall_64+0x1b9/0x820 [ 407.615508] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 407.620875] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.625808] ? trace_hardirqs_off+0x300/0x300 [ 407.630325] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 407.635344] ? recalc_sigpending_tsk+0x180/0x180 [ 407.640104] ? kasan_check_write+0x14/0x20 [ 407.644847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.649704] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.655090] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 407.655178] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.662279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.662288] Call Trace: [ 407.669419] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.678119] [ 407.678138] dump_stack+0x1c4/0x2b4 [ 407.678156] ? dump_stack_print_info.cold.2+0x52/0x52 [ 407.678183] warn_alloc.cold.118+0xb7/0x1bd [ 407.680871] syz-executor4 cpuset= [ 407.691351] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.691371] ? lock_downgrade+0x900/0x900 [ 407.693735] syz4 [ 407.697288] ? trace_hardirqs_off+0xb8/0x300 [ 407.697308] ? trace_hardirqs_off+0xb8/0x300 [ 407.697333] __alloc_pages_slowpath+0x2667/0x2d80 [ 407.697381] ? warn_alloc+0x120/0x120 [ 407.697398] ? trace_hardirqs_on+0x310/0x310 [ 407.702773] mems_allowed=0 [ 407.707101] ? warn_alloc+0x120/0x120 [ 407.749961] ? print_usage_bug+0xc0/0xc0 [ 407.754024] ? warn_alloc+0x120/0x120 [ 407.757823] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 407.762843] ? print_usage_bug+0xc0/0xc0 [ 407.766912] ? __lock_acquire+0x7ec/0x4ec0 [ 407.771148] ? __lock_acquire+0x7ec/0x4ec0 [ 407.775388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.780931] ? should_fail+0x22d/0xd01 [ 407.784824] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.789927] ? __lock_acquire+0x7ec/0x4ec0 [ 407.794172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.799273] ? __lock_acquire+0x7ec/0x4ec0 [ 407.803522] ? should_fail+0x22d/0xd01 [ 407.807418] ? print_usage_bug+0xc0/0xc0 [ 407.811497] ? mark_held_locks+0x130/0x130 [ 407.815739] ? mark_held_locks+0x130/0x130 [ 407.819981] ? graph_lock+0x170/0x170 [ 407.823785] ? print_usage_bug+0xc0/0xc0 [ 407.827848] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.832611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.838152] ? check_preemption_disabled+0x48/0x200 [ 407.843181] ? check_preemption_disabled+0x48/0x200 [ 407.848236] ? __lock_is_held+0xb5/0x140 [ 407.852326] __alloc_pages_nodemask+0xa80/0xde0 [ 407.857112] ? graph_lock+0x170/0x170 [ 407.860931] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 407.865951] ? graph_lock+0x170/0x170 [ 407.869766] ? find_held_lock+0x36/0x1c0 [ 407.873844] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.878527] ? lock_downgrade+0x900/0x900 [ 407.882704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.888252] cache_grow_begin+0x91/0x8c0 [ 407.892327] ? do_raw_spin_unlock+0xa7/0x2f0 [ 407.896743] fallback_alloc+0x203/0x2e0 [ 407.900730] ____cache_alloc_node+0x1c7/0x1e0 [ 407.905234] kmem_cache_alloc_node+0xe3/0x730 [ 407.909737] ? ipv6_get_ifaddr+0x42e/0x620 [ 407.913983] __alloc_skb+0x119/0x770 [ 407.917696] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 407.922978] ? skb_scrub_packet+0x490/0x490 [ 407.927299] ? lock_downgrade+0x900/0x900 [ 407.931469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.937008] ? refcount_sub_and_test_checked+0x203/0x310 [ 407.942466] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 407.947921] ? addrconf_rs_timer+0x6f0/0x6f0 [ 407.952343] ndisc_alloc_skb+0x144/0x340 [ 407.956412] ndisc_send_rs+0x331/0x6e0 [ 407.960305] addrconf_rs_timer+0x3c0/0x6f0 [ 407.964570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.968833] call_timer_fn+0x272/0x920 [ 407.972720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.976960] ? process_timeout+0x40/0x40 [ 407.981022] ? find_held_lock+0x36/0x1c0 [ 407.985096] ? mark_held_locks+0xc7/0x130 [ 407.989248] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.993742] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.998237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.002473] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 408.007058] ? trace_hardirqs_on+0xbd/0x310 [ 408.011387] ? kasan_check_read+0x11/0x20 [ 408.015539] ? __run_timers+0x7da/0xc70 [ 408.019526] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.024996] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.029241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.033478] __run_timers+0x7e5/0xc70 [ 408.037297] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 408.042665] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.047687] ? graph_lock+0x170/0x170 [ 408.051494] ? print_usage_bug+0xc0/0xc0 [ 408.055565] ? lock_release+0x970/0x970 [ 408.059543] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 408.064751] ? find_held_lock+0x36/0x1c0 [ 408.068820] ? graph_lock+0x170/0x170 [ 408.072643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.078183] ? check_preemption_disabled+0x48/0x200 [ 408.083225] ? __lock_is_held+0xb5/0x140 [ 408.087290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.092840] ? check_preemption_disabled+0x48/0x200 [ 408.097867] run_timer_softirq+0x52/0xb0 [ 408.101938] ? rcu_read_lock_sched_held+0x108/0x120 [ 408.106995] __do_softirq+0x30b/0xad8 [ 408.110811] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 408.115925] ? pvclock_read_flags+0x160/0x160 [ 408.120431] ? lapic_next_event+0x5a/0x90 [ 408.124583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.130122] ? check_preemption_disabled+0x48/0x200 [ 408.135135] ? check_preemption_disabled+0x48/0x200 [ 408.140170] ? kvm_clock_read+0x18/0x30 [ 408.144148] ? kvm_sched_clock_read+0x9/0x20 [ 408.148572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.154114] ? check_preemption_disabled+0x48/0x200 [ 408.159148] irq_exit+0x17f/0x1c0 [ 408.162608] smp_apic_timer_interrupt+0x1cb/0x760 [ 408.167451] ? smp_reschedule_interrupt+0x109/0x650 [ 408.172469] ? smp_call_function_single_interrupt+0x650/0x650 [ 408.178355] ? interrupt_entry+0xb5/0xf0 [ 408.182417] ? trace_hardirqs_off_caller+0xbb/0x300 [ 408.187457] ? trace_hardirqs_off_caller+0xbb/0x300 [ 408.192478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.197322] ? trace_hardirqs_off+0x300/0x300 [ 408.201819] ? trace_hardirqs_off+0x300/0x300 [ 408.206319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.212201] ? check_preemption_disabled+0x48/0x200 [ 408.217217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.222764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.227621] apic_timer_interrupt+0xf/0x20 [ 408.231848] [ 408.234092] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 408.239374] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 408.258276] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 408.265991] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 408.273260] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 408.280529] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 408.287803] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 408.295075] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 408.302375] ? arch_local_irq_restore+0x45/0x52 [ 408.307076] dump_stack+0x26a/0x2b4 [ 408.310723] ? dump_stack_print_info.cold.2+0x52/0x52 [ 408.315931] ? mark_held_locks+0x130/0x130 [ 408.320172] ? mark_held_locks+0x130/0x130 [ 408.324421] dump_header+0x27b/0xf72 [ 408.328156] ? pagefault_out_of_memory+0x197/0x197 [ 408.333095] ? mark_held_locks+0x130/0x130 [ 408.337332] ? __lock_acquire+0x7ec/0x4ec0 [ 408.341579] ? print_usage_bug+0xc0/0xc0 [ 408.345651] ? graph_lock+0x170/0x170 [ 408.349448] ? graph_lock+0x170/0x170 [ 408.353249] ? print_usage_bug+0xc0/0xc0 [ 408.357310] ? print_usage_bug+0xc0/0xc0 [ 408.361382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.366924] ? find_held_lock+0x36/0x1c0 [ 408.370992] ? mark_held_locks+0xc7/0x130 [ 408.375142] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.380244] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.385355] ? lockdep_hardirqs_on+0x421/0x5c0 [ 408.389950] ? trace_hardirqs_on+0xbd/0x310 [ 408.394271] ? kasan_check_read+0x11/0x20 [ 408.398424] ? ___ratelimit+0x36f/0x655 [ 408.402401] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.407853] ? trace_hardirqs_on+0x310/0x310 [ 408.412280] ? lock_downgrade+0x900/0x900 [ 408.416438] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.421546] ? ___ratelimit+0xaa/0x655 [ 408.425446] ? idr_get_free+0xec0/0xec0 [ 408.429425] ? kasan_check_write+0x14/0x20 [ 408.433661] ? do_raw_spin_lock+0xc1/0x200 [ 408.437904] oom_kill_process.cold.27+0x10/0x903 [ 408.442666] ? graph_lock+0x170/0x170 [ 408.446465] ? _raw_spin_unlock+0x2c/0x50 [ 408.450611] ? oom_badness+0xe6/0xaa0 [ 408.454422] ? oom_evaluate_task+0x540/0x540 [ 408.458836] ? find_held_lock+0x36/0x1c0 [ 408.462906] ? out_of_memory+0x974/0x14c0 [ 408.467056] ? lock_downgrade+0x900/0x900 [ 408.471205] ? check_preemption_disabled+0x48/0x200 [ 408.476228] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 408.482030] ? kasan_check_read+0x11/0x20 [ 408.486203] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.491508] ? rcu_bh_qs+0xc0/0xc0 [ 408.495085] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.500123] ? oom_evaluate_task+0x302/0x540 [ 408.504565] out_of_memory+0xa86/0x14c0 [ 408.508574] ? oom_killer_disable+0x3a0/0x3a0 [ 408.513104] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 408.518037] ? __mutex_add_waiter+0x2a0/0x2a0 [ 408.522562] __alloc_pages_slowpath+0x2318/0x2d80 [ 408.527447] ? warn_alloc+0x120/0x120 [ 408.531260] ? lock_downgrade+0x900/0x900 [ 408.535442] ? print_usage_bug+0xc0/0xc0 [ 408.539508] ? warn_alloc+0x120/0x120 [ 408.543313] ? print_usage_bug+0xc0/0xc0 [ 408.547382] ? debug_check_no_obj_freed+0x305/0x58d [ 408.552403] ? print_usage_bug+0xc0/0xc0 [ 408.556471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.562009] ? should_fail+0x22d/0xd01 [ 408.565907] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.571013] ? __lock_acquire+0x7ec/0x4ec0 [ 408.575299] ? __lock_is_held+0xb5/0x140 [ 408.579376] ? graph_lock+0x170/0x170 [ 408.583180] ? ___might_sleep+0x1ed/0x300 [ 408.587330] ? lock_release+0x970/0x970 [ 408.591308] ? arch_local_save_flags+0x40/0x40 [ 408.595903] ? __might_sleep+0x95/0x190 [ 408.599885] __alloc_pages_nodemask+0xa80/0xde0 [ 408.604576] ? graph_lock+0x170/0x170 [ 408.608383] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 408.613395] ? graph_lock+0x170/0x170 [ 408.617209] ? mark_held_locks+0xc7/0x130 [ 408.621358] ? find_held_lock+0x36/0x1c0 [ 408.625426] ? cache_grow_begin+0x5a4/0x8c0 [ 408.629750] ? lockdep_hardirqs_on+0x421/0x5c0 [ 408.634338] ? trace_hardirqs_on+0xbd/0x310 [ 408.638659] ? fallback_alloc+0x203/0x2e0 [ 408.642807] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.648612] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 408.654159] cache_grow_begin+0x91/0x8c0 [ 408.658223] ? do_raw_spin_unlock+0xa7/0x2f0 [ 408.662645] fallback_alloc+0x203/0x2e0 [ 408.666629] ____cache_alloc_node+0x1c7/0x1e0 [ 408.671136] kmem_cache_alloc_node_trace+0xe7/0x740 [ 408.676169] __kmalloc_node_track_caller+0x33/0x70 [ 408.681106] __kmalloc_reserve.isra.39+0x41/0xe0 [ 408.685867] __alloc_skb+0x155/0x770 [ 408.689593] ? skb_scrub_packet+0x490/0x490 [ 408.693932] ? if_nlmsg_size+0x5d1/0xbb0 [ 408.698000] ? nla_put_ifalias+0x170/0x170 [ 408.702250] ? softnet_seq_show+0x470/0x470 [ 408.706581] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.711601] ? netif_tx_stop_all_queues+0xd9/0x110 [ 408.716534] rtmsg_ifinfo_build_skb+0x74/0x190 [ 408.721132] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 408.725980] rtmsg_ifinfo+0x8c/0xa0 [ 408.729617] dev_close_many+0x3be/0x860 [ 408.733603] ? unlist_netdevice+0x670/0x670 [ 408.737929] ? find_held_lock+0x36/0x1c0 [ 408.741998] ? __queue_work+0x6be/0x1440 [ 408.746084] ? lock_downgrade+0x900/0x900 [ 408.750242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.755775] ? rtnl_is_locked+0xb5/0xf0 [ 408.759751] ? rtnl_trylock+0x20/0x20 [ 408.763557] ? do_raw_spin_unlock+0xa7/0x2f0 [ 408.767969] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 408.772569] rollback_registered_many+0x56e/0x1240 [ 408.778012] ? generic_xdp_install+0x4c0/0x4c0 [ 408.782610] ? max_active_store+0x170/0x170 [ 408.786931] ? graph_lock+0x170/0x170 [ 408.790734] ? print_usage_bug+0xc0/0xc0 [ 408.794794] ? print_usage_bug+0xc0/0xc0 [ 408.798854] ? kfree_skbmem+0x154/0x230 [ 408.802832] ? graph_lock+0x170/0x170 [ 408.806638] ? print_usage_bug+0xc0/0xc0 [ 408.810702] ? find_held_lock+0x36/0x1c0 [ 408.814778] ? mark_held_locks+0xc7/0x130 [ 408.818937] rollback_registered+0x1e9/0x420 [ 408.823345] ? lockdep_hardirqs_on+0x351/0x5c0 [ 408.827928] ? rollback_registered_many+0x1240/0x1240 [ 408.833825] ? trace_hardirqs_on+0xbd/0x310 [ 408.838150] ? linkwatch_schedule_work+0x150/0x170 [ 408.843085] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.848626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.854163] ? rtnl_is_locked+0xb5/0xf0 [ 408.858141] ? rtnl_trylock+0x20/0x20 [ 408.861945] ? queue_delayed_work_on+0x130/0x1f0 [ 408.866708] unregister_netdevice_queue+0x321/0x5e0 [ 408.871733] ? rollback_registered+0x420/0x420 [ 408.876314] ? linkwatch_schedule_work+0x170/0x170 [ 408.881251] ? tun_show_owner+0x170/0x170 [ 408.885400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.890945] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 408.896307] ? __tun_detach+0x6ba/0x15c0 [ 408.900376] __tun_detach+0x11b8/0x15c0 [ 408.904358] ? __call_rcu.constprop.69+0x429/0xbc0 [ 408.909301] ? tun_attach+0x1770/0x1770 [ 408.913284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.918819] ? check_preemption_disabled+0x48/0x200 [ 408.923845] ? graph_lock+0x170/0x170 [ 408.927649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.933188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.938730] ? locks_remove_file+0x3c6/0x5c0 [ 408.943149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.948698] ? ima_file_free+0x132/0x650 [ 408.952768] ? __lock_is_held+0xb5/0x140 [ 408.956836] ? __tun_detach+0x15c0/0x15c0 [ 408.960988] ? __tun_detach+0x15c0/0x15c0 [ 408.965134] tun_chr_close+0xe3/0x180 [ 408.968940] __fput+0x385/0xa30 [ 408.972228] ? get_max_files+0x20/0x20 [ 408.976121] ? ___might_sleep+0x1ed/0x300 [ 408.980275] ? arch_local_save_flags+0x40/0x40 [ 408.984868] ____fput+0x15/0x20 [ 408.988152] task_work_run+0x1e8/0x2a0 [ 408.992044] ? task_work_cancel+0x240/0x240 [ 408.996376] ? switch_task_namespaces+0xb8/0xd0 [ 409.001053] do_exit+0x1ad7/0x2610 [ 409.004608] ? mm_update_next_owner+0x990/0x990 [ 409.009281] ? print_usage_bug+0xc0/0xc0 [ 409.013357] ? __lock_acquire+0x7ec/0x4ec0 [ 409.017607] ? find_held_lock+0x36/0x1c0 [ 409.021694] ? __lock_acquire+0x7ec/0x4ec0 [ 409.025935] ? mark_held_locks+0x130/0x130 [ 409.030181] ? lock_acquire+0x1ed/0x520 [ 409.034164] ? mark_held_locks+0x130/0x130 [ 409.038400] ? arch_local_save_flags+0x40/0x40 [ 409.042982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.048539] ? __mutex_lock+0x872/0x1710 [ 409.052614] ? __switch_to_asm+0x40/0x70 [ 409.056845] ? __switch_to_asm+0x34/0x70 [ 409.060908] ? pipe_wait+0x266/0x2c0 [ 409.064628] ? mutex_trylock+0x2b0/0x2b0 [ 409.068706] ? graph_lock+0x170/0x170 [ 409.072506] ? find_held_lock+0x36/0x1c0 [ 409.076581] ? memset+0x31/0x40 [ 409.079868] ? find_held_lock+0x36/0x1c0 [ 409.083943] ? get_signal+0x95b/0x1980 [ 409.087833] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.092327] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.096836] do_group_exit+0x177/0x440 [ 409.100731] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.106187] ? __ia32_sys_exit+0x50/0x50 [ 409.110262] get_signal+0x8b0/0x1980 [ 409.113988] ? ptrace_notify+0x130/0x130 [ 409.118059] ? finish_wait+0x430/0x430 [ 409.121952] ? graph_lock+0x170/0x170 [ 409.125762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.131304] ? pipe_read+0x702/0x940 [ 409.135027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.140586] do_signal+0x9c/0x21e0 [ 409.144129] ? __vfs_read+0x11f/0x9b0 [ 409.147936] ? vfs_copy_file_range+0xb90/0xb90 [ 409.152521] ? setup_sigcontext+0x7d0/0x7d0 [ 409.156870] ? exit_to_usermode_loop+0x8c/0x380 [ 409.161580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.167146] exit_to_usermode_loop+0x2e5/0x380 [ 409.171748] ? syscall_slow_exit_work+0x520/0x520 [ 409.176605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.182177] do_syscall_64+0x6be/0x820 [ 409.186082] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 409.191455] ? syscall_return_slowpath+0x5e0/0x5e0 [ 409.196389] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.201240] ? trace_hardirqs_off+0x300/0x300 [ 409.205748] ? prepare_exit_to_usermode+0x291/0x3b0 [ 409.210772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.215623] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.220812] RIP: 0033:0x410e10 [ 409.224010] Code: Bad RIP value. [ 409.227369] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 409.235082] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 409.242347] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 409.249617] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 409.256901] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 409.264170] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 409.271466] warn_alloc_show_mem: 1 callbacks suppressed [ 409.271478] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 409.271480] Mem-Info: [ 409.271509] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 409.271509] active_file:19 inactive_file:16 isolated_file:0 [ 409.271509] unevictable:0 dirty:0 writeback:0 unstable:0 [ 409.271509] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 409.271509] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 409.271509] free:13785 free_pcp:397 free_cma:0 [ 409.276859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.284138] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 409.286541] Call Trace: [ 409.319333] Node 0 [ 409.328688] [ 409.356289] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 409.358858] dump_stack+0x1c4/0x2b4 [ 409.361060] lowmem_reserve[]: [ 409.363209] ? dump_stack_print_info.cold.2+0x52/0x52 [ 409.388698] 0 [ 409.392346] warn_alloc.cold.118+0xb7/0x1bd [ 409.395411] 2815 [ 409.400605] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.402382] 6318 [ 409.406702] ? lock_downgrade+0x900/0x900 [ 409.408744] 6318 [ 409.413605] ? trace_hardirqs_off+0xb8/0x300 [ 409.415641] Node 0 [ 409.419792] ? trace_hardirqs_off+0xb8/0x300 [ 409.421853] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 409.426237] __alloc_pages_slowpath+0x2667/0x2d80 [ 409.428442] lowmem_reserve[]: [ 409.432877] ? warn_alloc+0x120/0x120 [ 409.459565] 0 [ 409.464422] ? __bfs+0x385/0x7a0 [ 409.467494] 0 3503 [ 409.471301] ? warn_alloc+0x120/0x120 [ 409.473076] 3503 [ 409.476447] ? print_usage_bug+0xc0/0xc0 [ 409.478657] Node 0 [ 409.482452] ? lock_pin_lock+0x350/0x350 [ 409.484516] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 409.488576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.490772] lowmem_reserve[]: [ 409.494841] ? should_fail+0x22d/0xd01 [ 409.523366] 0 [ 409.528913] ? kasan_check_read+0x11/0x20 [ 409.531989] 0 [ 409.535875] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.537657] 0 [ 409.541804] ? __lock_acquire+0x7ec/0x4ec0 [ 409.543575] 0 [ 409.548682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.550460] Node 0 [ 409.554687] ? should_fail+0x22d/0xd01 [ 409.556464] DMA: [ 409.561582] ? mark_held_locks+0x130/0x130 [ 409.563779] 1*4kB [ 409.567675] ? mark_held_locks+0x130/0x130 [ 409.569716] (U) [ 409.573944] ? migrate_swap_stop+0x930/0x930 [ 409.576077] 0*8kB [ 409.580318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.582270] 0*16kB [ 409.586675] ? radix_tree_descend+0x13c/0x2e0 [ 409.588803] 1*32kB [ 409.594335] ? graph_lock+0x170/0x170 [ 409.596561] (U) [ 409.601055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.603271] 2*64kB [ 409.607065] ? check_preemption_disabled+0x48/0x200 [ 409.609020] (U) [ 409.614557] ? check_preemption_disabled+0x48/0x200 [ 409.616772] 1*128kB [ 409.621790] ? __lock_is_held+0xb5/0x140 [ 409.623735] (U) [ 409.628763] __alloc_pages_nodemask+0xa80/0xde0 [ 409.631059] 1*256kB [ 409.635115] ? graph_lock+0x170/0x170 [ 409.637068] (U) [ 409.641778] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 409.644335] 0*512kB 1*1024kB [ 409.648150] ? graph_lock+0x170/0x170 [ 409.650098] (U) [ 409.655130] ? find_held_lock+0x36/0x1c0 [ 409.658201] 1*2048kB [ 409.662013] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.663959] (M) [ 409.668022] ? lock_downgrade+0x900/0x900 [ 409.670402] 3*4096kB [ 409.675072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.677018] (M) [ 409.681164] cache_grow_begin+0x91/0x8c0 [ 409.683538] = 15908kB [ 409.683546] Node 0 [ 409.689092] ? do_raw_spin_unlock+0xa7/0x2f0 [ 409.689115] fallback_alloc+0x203/0x2e0 [ 409.691065] DMA32: [ 409.695143] ____cache_alloc_node+0x1c7/0x1e0 [ 409.697530] 3*4kB [ 409.699772] kmem_cache_alloc_node+0xe3/0x730 [ 409.704154] (M) [ 409.708125] ? mark_held_locks+0xc7/0x130 [ 409.710336] 1*8kB [ 409.714833] __alloc_skb+0x119/0x770 [ 409.716951] (M) [ 409.721443] ? skb_scrub_packet+0x490/0x490 [ 409.723395] 3*16kB [ 409.727536] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 409.729679] (UM) [ 409.733392] ? queue_work_on+0x12c/0x1e0 [ 409.735346] 3*32kB [ 409.739723] ? switchdev_port_obj_del+0xdc/0x450 [ 409.741870] (UM) [ 409.746478] ? switchdev_trans_item_enqueue+0x260/0x260 [ 409.748518] 2*64kB [ 409.752584] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 409.754788] (UM) [ 409.759582] __br_mdb_notify+0x4ff/0x15d0 [ 409.761575] 5*128kB (UM) [ 409.766943] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.769154] 3*256kB [ 409.774168] ? __br_mdb_add+0x800/0x800 [ 409.776219] (M) [ 409.780359] ? kasan_check_write+0x14/0x20 [ 409.783098] 4*512kB [ 409.788195] ? do_raw_spin_lock+0xc1/0x200 [ 409.790492] (M) [ 409.794461] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.796420] 3*1024kB (UM) [ 409.800664] ? debug_object_assert_init+0x368/0x4b0 [ 409.802966] 3*2048kB [ 409.807190] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.807207] ? debug_object_init_on_stack+0x20/0x20 [ 409.809160] (M) [ 409.814258] ? graph_lock+0x170/0x170 [ 409.817087] 3*4096kB [ 409.822099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.824482] (M) [ 409.829931] br_mdb_notify+0x310/0x410 [ 409.834915] = 25252kB [ 409.834923] Node 0 [ 409.836895] ? br_mdb_dump+0x2530/0x2530 [ 409.840674] Normal: [ 409.843121] br_multicast_del_pg+0x3df/0x790 [ 409.848636] 1016*4kB [ 409.850613] ? br_mdb_ip_get+0x940/0x940 [ 409.854473] (UME) [ 409.856879] ? kasan_check_write+0x14/0x20 [ 409.859095] 348*8kB [ 409.863153] ? do_raw_spin_lock+0xc1/0x200 [ 409.865453] (UME) [ 409.869856] br_multicast_port_group_expired+0x189/0x1e0 [ 409.872239] 167*16kB [ 409.876295] call_timer_fn+0x272/0x920 [ 409.878416] (UME) [ 409.882640] ? br_multicast_del_pg+0x790/0x790 [ 409.884942] 68*32kB [ 409.889171] ? process_timeout+0x40/0x40 [ 409.891297] (UME) [ 409.896744] ? find_held_lock+0x36/0x1c0 [ 409.899124] 21*64kB (M) [ 409.903020] ? __run_timers+0x7da/0xc70 [ 409.905143] 6*128kB [ 409.909722] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.912019] (UM) [ 409.916077] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.918199] 1*256kB (U) [ 409.922266] ? br_multicast_del_pg+0x790/0x790 [ 409.924912] 0*512kB [ 409.928884] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 409.931184] 0*1024kB [ 409.935679] ? trace_hardirqs_on+0xbd/0x310 [ 409.937714] 0*2048kB [ 409.942200] ? kasan_check_read+0x11/0x20 [ 409.944849] 0*4096kB [ 409.949427] ? __run_timers+0x7da/0xc70 [ 409.951723] = 14064kB [ 409.956302] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.958691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 409.963003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.965390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 409.969528] ? br_multicast_del_pg+0x790/0x790 [ 409.971916] 503 total pagecache pages [ 409.975883] __run_timers+0x7e5/0xc70 [ 409.978277] 0 pages in swap cache [ 409.983726] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 409.992539] Swap cache stats: add 0, delete 0, find 0/0 [ 409.992558] Free swap = 0kB [ 409.996810] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 410.005351] Total swap = 0kB [ 410.009930] ? graph_lock+0x170/0x170 [ 410.013703] 1965979 pages RAM [ 410.017496] ? enqueue_hrtimer+0x1a5/0x560 [ 410.028216] 0 pages HighMem/MovableOnly [ 410.033590] ? lock_release+0x970/0x970 [ 410.038919] 343324 pages reserved [ 410.038928] 0 pages cma reserved [ 410.041948] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 410.047015] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 410.049956] ? find_held_lock+0x36/0x1c0 [ 410.053847] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.056827] ? graph_lock+0x170/0x170 [ 410.061037] syz-executor2 cpuset= [ 410.065008] ? pvclock_read_flags+0x160/0x160 [ 410.068954] syz2 [ 410.072402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.075744] mems_allowed=0 [ 410.080928] ? check_preemption_disabled+0x48/0x200 [ 410.129145] ? __lock_is_held+0xb5/0x140 [ 410.133234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.138789] ? check_preemption_disabled+0x48/0x200 [ 410.143824] run_timer_softirq+0x52/0xb0 [ 410.147887] ? rcu_read_lock_sched_held+0x108/0x120 [ 410.152907] __do_softirq+0x30b/0xad8 [ 410.156726] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 410.161837] ? pvclock_read_flags+0x160/0x160 [ 410.166331] ? lapic_next_event+0x5a/0x90 [ 410.170480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.176020] ? check_preemption_disabled+0x48/0x200 [ 410.181033] ? check_preemption_disabled+0x48/0x200 [ 410.186056] ? kvm_clock_read+0x18/0x30 [ 410.190029] ? kvm_sched_clock_read+0x9/0x20 [ 410.194443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.199977] ? check_preemption_disabled+0x48/0x200 [ 410.205007] irq_exit+0x17f/0x1c0 [ 410.208467] smp_apic_timer_interrupt+0x1cb/0x760 [ 410.213314] ? smp_reschedule_interrupt+0x109/0x650 [ 410.218331] ? smp_call_function_single_interrupt+0x650/0x650 [ 410.224219] ? interrupt_entry+0xb5/0xf0 [ 410.228312] ? trace_hardirqs_off_caller+0xbb/0x300 [ 410.233330] ? trace_hardirqs_off_caller+0xbb/0x300 [ 410.238350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.243192] ? trace_hardirqs_off+0x300/0x300 [ 410.247688] ? trace_hardirqs_off+0x300/0x300 [ 410.252186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.257724] ? check_preemption_disabled+0x48/0x200 [ 410.262739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.268284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.273137] apic_timer_interrupt+0xf/0x20 [ 410.277364] [ 410.279606] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 410.284536] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 410.303467] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 410.311178] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 410.318446] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 410.325713] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 410.332981] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 410.340252] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 410.347584] skb_clone+0x1bb/0x500 [ 410.351132] ? skb_split+0x11e0/0x11e0 [ 410.355024] ? preempt_notifier_register+0x200/0x200 [ 410.360127] ? __switch_to_asm+0x34/0x70 [ 410.364190] ? __switch_to_asm+0x34/0x70 [ 410.368253] ? __switch_to_asm+0x40/0x70 [ 410.372312] ? __switch_to_asm+0x34/0x70 [ 410.376371] ? __switch_to_asm+0x40/0x70 [ 410.380433] ? __switch_to_asm+0x40/0x70 [ 410.384492] ? __switch_to_asm+0x34/0x70 [ 410.388558] ? __switch_to_asm+0x34/0x70 [ 410.392623] ? __switch_to_asm+0x40/0x70 [ 410.396684] ? __switch_to_asm+0x34/0x70 [ 410.400754] bpf_clone_redirect+0xb9/0x490 [ 410.405002] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 410.410025] ? __sched_text_start+0x8/0x8 [ 410.414172] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 410.418942] ? find_held_lock+0x36/0x1c0 [ 410.423030] ? lock_acquire+0x1ed/0x520 [ 410.427006] ? bpf_test_run+0x32e/0x5a0 [ 410.430980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.436518] ? check_preemption_disabled+0x48/0x200 [ 410.441544] ? kasan_check_read+0x11/0x20 [ 410.445711] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.450989] ? rcu_bh_qs+0xc0/0xc0 [ 410.454540] ? preempt_schedule+0x4d/0x60 [ 410.458702] ? ___preempt_schedule+0x16/0x18 [ 410.463122] ? bpf_test_run+0x1c0/0x5a0 [ 410.467103] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 410.471952] ? netlink_diag_dump+0x2a0/0x2a0 [ 410.476364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.481912] ? bpf_test_init.isra.9+0x70/0x100 [ 410.486507] ? bpf_prog_test_run_skb+0x634/0xb40 [ 410.491274] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 410.496115] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 410.501650] ? fput+0x130/0x1a0 [ 410.504936] ? __bpf_prog_get+0x9b/0x290 [ 410.509000] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 410.513842] ? bpf_prog_test_run+0x130/0x1a0 [ 410.518257] ? __x64_sys_bpf+0x3d8/0x510 [ 410.522329] ? bpf_prog_get+0x20/0x20 [ 410.526152] ? do_syscall_64+0x1b9/0x820 [ 410.530231] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 410.535605] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.540539] ? trace_hardirqs_off+0x300/0x300 [ 410.545050] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 410.550067] ? recalc_sigpending_tsk+0x180/0x180 [ 410.554823] ? kasan_check_write+0x14/0x20 [ 410.559064] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.563919] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.569301] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 410.570119] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.576489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.576495] Call Trace: [ 410.576507] [ 410.576525] dump_stack+0x1c4/0x2b4 [ 410.587139] syz-executor4 cpuset= [ 410.596491] ? dump_stack_print_info.cold.2+0x52/0x52 [ 410.596521] warn_alloc.cold.118+0xb7/0x1bd [ 410.599284] syz4 [ 410.601365] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.601383] ? lock_downgrade+0x900/0x900 [ 410.601408] ? trace_hardirqs_off+0xb8/0x300 [ 410.601429] ? trace_hardirqs_off+0xb8/0x300 [ 410.601453] __alloc_pages_slowpath+0x2667/0x2d80 [ 410.601500] ? warn_alloc+0x120/0x120 [ 410.605238] mems_allowed=0 [ 410.608682] ? trace_hardirqs_on+0x310/0x310 [ 410.653818] ? warn_alloc+0x120/0x120 [ 410.657626] ? print_usage_bug+0xc0/0xc0 [ 410.661689] ? warn_alloc+0x120/0x120 [ 410.665490] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.670504] ? print_usage_bug+0xc0/0xc0 [ 410.674574] ? __lock_acquire+0x7ec/0x4ec0 [ 410.678814] ? __lock_acquire+0x7ec/0x4ec0 [ 410.683049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.688595] ? should_fail+0x22d/0xd01 [ 410.692488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.697591] ? __lock_acquire+0x7ec/0x4ec0 [ 410.701835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.706939] ? __lock_acquire+0x7ec/0x4ec0 [ 410.711175] ? should_fail+0x22d/0xd01 [ 410.715061] ? print_usage_bug+0xc0/0xc0 [ 410.719135] ? mark_held_locks+0x130/0x130 [ 410.723374] ? mark_held_locks+0x130/0x130 [ 410.727619] ? graph_lock+0x170/0x170 [ 410.731424] ? print_usage_bug+0xc0/0xc0 [ 410.735493] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 410.740707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.746247] ? check_preemption_disabled+0x48/0x200 [ 410.751271] ? check_preemption_disabled+0x48/0x200 [ 410.756314] ? __lock_is_held+0xb5/0x140 [ 410.760399] __alloc_pages_nodemask+0xa80/0xde0 [ 410.765092] ? graph_lock+0x170/0x170 [ 410.768913] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 410.773941] ? graph_lock+0x170/0x170 [ 410.778299] ? find_held_lock+0x36/0x1c0 [ 410.782373] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.787049] ? lock_downgrade+0x900/0x900 [ 410.791210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.796756] cache_grow_begin+0x91/0x8c0 [ 410.800820] ? do_raw_spin_unlock+0xa7/0x2f0 [ 410.805237] fallback_alloc+0x203/0x2e0 [ 410.809222] ____cache_alloc_node+0x1c7/0x1e0 [ 410.813729] kmem_cache_alloc_node+0xe3/0x730 [ 410.818230] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.822475] __alloc_skb+0x119/0x770 [ 410.826189] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.831469] ? skb_scrub_packet+0x490/0x490 [ 410.835794] ? lock_downgrade+0x900/0x900 [ 410.839949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.845505] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.850960] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.856417] ? addrconf_rs_timer+0x6f0/0x6f0 [ 410.860839] ndisc_alloc_skb+0x144/0x340 [ 410.864910] ndisc_send_rs+0x331/0x6e0 [ 410.868806] addrconf_rs_timer+0x3c0/0x6f0 [ 410.873049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.877306] call_timer_fn+0x272/0x920 [ 410.881253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.885491] ? process_timeout+0x40/0x40 [ 410.889562] ? find_held_lock+0x36/0x1c0 [ 410.893636] ? mark_held_locks+0xc7/0x130 [ 410.897786] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.902283] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.906777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.911010] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 410.915599] ? trace_hardirqs_on+0xbd/0x310 [ 410.919919] ? kasan_check_read+0x11/0x20 [ 410.924070] ? __run_timers+0x7da/0xc70 [ 410.928051] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.933511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.937756] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.941993] __run_timers+0x7e5/0xc70 [ 410.945809] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 410.951175] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 410.956202] ? graph_lock+0x170/0x170 [ 410.960013] ? print_usage_bug+0xc0/0xc0 [ 410.964082] ? lock_release+0x970/0x970 [ 410.968060] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 410.973265] ? find_held_lock+0x36/0x1c0 [ 410.977344] ? graph_lock+0x170/0x170 [ 410.981155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.986699] ? check_preemption_disabled+0x48/0x200 [ 410.991730] ? __lock_is_held+0xb5/0x140 [ 410.995795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.001332] ? check_preemption_disabled+0x48/0x200 [ 411.006361] run_timer_softirq+0x52/0xb0 [ 411.010422] ? rcu_read_lock_sched_held+0x108/0x120 [ 411.015438] __do_softirq+0x30b/0xad8 [ 411.019252] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 411.024366] ? pvclock_read_flags+0x160/0x160 [ 411.028865] ? lapic_next_event+0x5a/0x90 [ 411.033013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.038558] ? check_preemption_disabled+0x48/0x200 [ 411.043580] ? check_preemption_disabled+0x48/0x200 [ 411.048608] ? kvm_clock_read+0x18/0x30 [ 411.052586] ? kvm_sched_clock_read+0x9/0x20 [ 411.057006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.062568] ? check_preemption_disabled+0x48/0x200 [ 411.067610] irq_exit+0x17f/0x1c0 [ 411.071080] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.075923] ? smp_reschedule_interrupt+0x109/0x650 [ 411.080939] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.086822] ? interrupt_entry+0xb5/0xf0 [ 411.090889] ? trace_hardirqs_off_caller+0xbb/0x300 [ 411.095903] ? trace_hardirqs_off_caller+0xbb/0x300 [ 411.100924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.105774] ? trace_hardirqs_off+0x300/0x300 [ 411.110270] ? trace_hardirqs_off+0x300/0x300 [ 411.114765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.120301] ? check_preemption_disabled+0x48/0x200 [ 411.125318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.130866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.135723] apic_timer_interrupt+0xf/0x20 [ 411.139951] [ 411.142192] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 411.147474] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 411.166372] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 411.174087] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 411.181371] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 411.188638] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 411.195911] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 411.203175] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 411.210467] ? arch_local_irq_restore+0x45/0x52 [ 411.215144] dump_stack+0x26a/0x2b4 [ 411.218773] ? dump_stack_print_info.cold.2+0x52/0x52 [ 411.223971] ? mark_held_locks+0x130/0x130 [ 411.228207] ? mark_held_locks+0x130/0x130 [ 411.232452] dump_header+0x27b/0xf72 [ 411.236183] ? pagefault_out_of_memory+0x197/0x197 [ 411.241116] ? mark_held_locks+0x130/0x130 [ 411.245351] ? __lock_acquire+0x7ec/0x4ec0 [ 411.249593] ? print_usage_bug+0xc0/0xc0 [ 411.253666] ? graph_lock+0x170/0x170 [ 411.257467] ? graph_lock+0x170/0x170 [ 411.261268] ? print_usage_bug+0xc0/0xc0 [ 411.265329] ? print_usage_bug+0xc0/0xc0 [ 411.269398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.274941] ? find_held_lock+0x36/0x1c0 [ 411.279014] ? mark_held_locks+0xc7/0x130 [ 411.283172] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.288277] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.293389] ? lockdep_hardirqs_on+0x421/0x5c0 [ 411.297980] ? trace_hardirqs_on+0xbd/0x310 [ 411.302302] ? kasan_check_read+0x11/0x20 [ 411.306449] ? ___ratelimit+0x36f/0x655 [ 411.310424] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.315880] ? trace_hardirqs_on+0x310/0x310 [ 411.320292] ? lock_downgrade+0x900/0x900 [ 411.324450] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.329562] ? ___ratelimit+0xaa/0x655 [ 411.333458] ? idr_get_free+0xec0/0xec0 [ 411.337434] ? kasan_check_write+0x14/0x20 [ 411.341675] ? do_raw_spin_lock+0xc1/0x200 [ 411.345921] oom_kill_process.cold.27+0x10/0x903 [ 411.350701] ? graph_lock+0x170/0x170 [ 411.354501] ? _raw_spin_unlock+0x2c/0x50 [ 411.358651] ? oom_badness+0xe6/0xaa0 [ 411.362463] ? oom_evaluate_task+0x540/0x540 [ 411.366875] ? find_held_lock+0x36/0x1c0 [ 411.370945] ? out_of_memory+0x974/0x14c0 [ 411.375097] ? lock_downgrade+0x900/0x900 [ 411.379243] ? check_preemption_disabled+0x48/0x200 [ 411.384270] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 411.390062] ? kasan_check_read+0x11/0x20 [ 411.394218] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.399497] ? rcu_bh_qs+0xc0/0xc0 [ 411.403044] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.408066] ? oom_evaluate_task+0x302/0x540 [ 411.412487] out_of_memory+0xa86/0x14c0 [ 411.416474] ? oom_killer_disable+0x3a0/0x3a0 [ 411.420969] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 411.425903] ? __mutex_add_waiter+0x2a0/0x2a0 [ 411.430412] __alloc_pages_slowpath+0x2318/0x2d80 [ 411.435286] ? warn_alloc+0x120/0x120 [ 411.439095] ? lock_downgrade+0x900/0x900 [ 411.443249] ? print_usage_bug+0xc0/0xc0 [ 411.447314] ? warn_alloc+0x120/0x120 [ 411.451119] ? print_usage_bug+0xc0/0xc0 [ 411.455184] ? debug_check_no_obj_freed+0x305/0x58d [ 411.460202] ? print_usage_bug+0xc0/0xc0 [ 411.464268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.469808] ? should_fail+0x22d/0xd01 [ 411.473700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.478806] ? __lock_acquire+0x7ec/0x4ec0 [ 411.483093] ? __lock_is_held+0xb5/0x140 [ 411.487167] ? graph_lock+0x170/0x170 [ 411.490975] ? ___might_sleep+0x1ed/0x300 [ 411.495122] ? lock_release+0x970/0x970 [ 411.499101] ? arch_local_save_flags+0x40/0x40 [ 411.503696] ? __might_sleep+0x95/0x190 [ 411.507696] __alloc_pages_nodemask+0xa80/0xde0 [ 411.512369] ? graph_lock+0x170/0x170 [ 411.516174] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 411.521186] ? graph_lock+0x170/0x170 [ 411.524997] ? mark_held_locks+0xc7/0x130 [ 411.529143] ? find_held_lock+0x36/0x1c0 [ 411.533209] ? cache_grow_begin+0x5a4/0x8c0 [ 411.537531] ? lockdep_hardirqs_on+0x421/0x5c0 [ 411.542122] ? trace_hardirqs_on+0xbd/0x310 [ 411.546461] ? fallback_alloc+0x203/0x2e0 [ 411.550613] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.556069] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 411.561618] cache_grow_begin+0x91/0x8c0 [ 411.565686] ? do_raw_spin_unlock+0xa7/0x2f0 [ 411.570107] fallback_alloc+0x203/0x2e0 [ 411.574098] ____cache_alloc_node+0x1c7/0x1e0 [ 411.578600] kmem_cache_alloc_node_trace+0xe7/0x740 [ 411.583632] __kmalloc_node_track_caller+0x33/0x70 [ 411.588573] __kmalloc_reserve.isra.39+0x41/0xe0 [ 411.593340] __alloc_skb+0x155/0x770 [ 411.597059] ? skb_scrub_packet+0x490/0x490 [ 411.601387] ? if_nlmsg_size+0x5d1/0xbb0 [ 411.605453] ? nla_put_ifalias+0x170/0x170 [ 411.609699] ? softnet_seq_show+0x470/0x470 [ 411.614020] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 411.619037] ? netif_tx_stop_all_queues+0xd9/0x110 [ 411.623970] rtmsg_ifinfo_build_skb+0x74/0x190 [ 411.628586] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 411.633439] rtmsg_ifinfo+0x8c/0xa0 [ 411.637072] dev_close_many+0x3be/0x860 [ 411.641061] ? unlist_netdevice+0x670/0x670 [ 411.645700] ? find_held_lock+0x36/0x1c0 [ 411.649769] ? __queue_work+0x6be/0x1440 [ 411.653835] ? lock_downgrade+0x900/0x900 [ 411.657992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.663526] ? rtnl_is_locked+0xb5/0xf0 [ 411.667512] ? rtnl_trylock+0x20/0x20 [ 411.671314] ? do_raw_spin_unlock+0xa7/0x2f0 [ 411.675727] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 411.680317] rollback_registered_many+0x56e/0x1240 [ 411.685252] ? generic_xdp_install+0x4c0/0x4c0 [ 411.689840] ? max_active_store+0x170/0x170 [ 411.694164] ? graph_lock+0x170/0x170 [ 411.697971] ? print_usage_bug+0xc0/0xc0 [ 411.702033] ? print_usage_bug+0xc0/0xc0 [ 411.706102] ? kfree_skbmem+0x154/0x230 [ 411.710082] ? graph_lock+0x170/0x170 [ 411.713884] ? print_usage_bug+0xc0/0xc0 [ 411.717955] ? find_held_lock+0x36/0x1c0 [ 411.722028] ? mark_held_locks+0xc7/0x130 [ 411.726185] rollback_registered+0x1e9/0x420 [ 411.730637] ? lockdep_hardirqs_on+0x351/0x5c0 [ 411.735224] ? rollback_registered_many+0x1240/0x1240 [ 411.740422] ? trace_hardirqs_on+0xbd/0x310 [ 411.744747] ? linkwatch_schedule_work+0x150/0x170 [ 411.749679] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.755133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.760675] ? rtnl_is_locked+0xb5/0xf0 [ 411.764651] ? rtnl_trylock+0x20/0x20 [ 411.768457] ? queue_delayed_work_on+0x130/0x1f0 [ 411.773218] unregister_netdevice_queue+0x321/0x5e0 [ 411.778237] ? rollback_registered+0x420/0x420 [ 411.782826] ? linkwatch_schedule_work+0x170/0x170 [ 411.787758] ? tun_show_owner+0x170/0x170 [ 411.791908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.797452] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 411.802816] ? __tun_detach+0x6ba/0x15c0 [ 411.806893] __tun_detach+0x11b8/0x15c0 [ 411.810868] ? __call_rcu.constprop.69+0x429/0xbc0 [ 411.815808] ? tun_attach+0x1770/0x1770 [ 411.819788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.825344] ? check_preemption_disabled+0x48/0x200 [ 411.830376] ? graph_lock+0x170/0x170 [ 411.834180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.839720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.845258] ? locks_remove_file+0x3c6/0x5c0 [ 411.849672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.855209] ? ima_file_free+0x132/0x650 [ 411.859278] ? __lock_is_held+0xb5/0x140 [ 411.863348] ? __tun_detach+0x15c0/0x15c0 [ 411.867504] ? __tun_detach+0x15c0/0x15c0 [ 411.871650] tun_chr_close+0xe3/0x180 [ 411.875457] __fput+0x385/0xa30 [ 411.878746] ? get_max_files+0x20/0x20 [ 411.882643] ? ___might_sleep+0x1ed/0x300 [ 411.886799] ? arch_local_save_flags+0x40/0x40 [ 411.891388] ____fput+0x15/0x20 [ 411.894671] task_work_run+0x1e8/0x2a0 [ 411.898570] ? task_work_cancel+0x240/0x240 [ 411.902899] ? switch_task_namespaces+0xb8/0xd0 [ 411.907583] do_exit+0x1ad7/0x2610 [ 411.911135] ? mm_update_next_owner+0x990/0x990 [ 411.915804] ? print_usage_bug+0xc0/0xc0 [ 411.919872] ? __lock_acquire+0x7ec/0x4ec0 [ 411.924111] ? find_held_lock+0x36/0x1c0 [ 411.928209] ? __lock_acquire+0x7ec/0x4ec0 [ 411.932443] ? mark_held_locks+0x130/0x130 [ 411.936689] ? lock_acquire+0x1ed/0x520 [ 411.940671] ? mark_held_locks+0x130/0x130 [ 411.944908] ? arch_local_save_flags+0x40/0x40 [ 411.949490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.955047] ? __mutex_lock+0x872/0x1710 [ 411.959116] ? __switch_to_asm+0x40/0x70 [ 411.963178] ? __switch_to_asm+0x34/0x70 [ 411.967242] ? pipe_wait+0x266/0x2c0 [ 411.970964] ? mutex_trylock+0x2b0/0x2b0 [ 411.975038] ? graph_lock+0x170/0x170 [ 411.978844] ? find_held_lock+0x36/0x1c0 [ 411.982912] ? memset+0x31/0x40 [ 411.986201] ? find_held_lock+0x36/0x1c0 [ 411.990276] ? get_signal+0x95b/0x1980 [ 411.994164] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.998662] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.003166] do_group_exit+0x177/0x440 [ 412.007057] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.012518] ? __ia32_sys_exit+0x50/0x50 [ 412.016604] get_signal+0x8b0/0x1980 [ 412.020331] ? ptrace_notify+0x130/0x130 [ 412.024397] ? finish_wait+0x430/0x430 [ 412.028288] ? graph_lock+0x170/0x170 [ 412.032102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.037648] ? pipe_read+0x702/0x940 [ 412.041363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.046914] do_signal+0x9c/0x21e0 [ 412.050456] ? __vfs_read+0x11f/0x9b0 [ 412.054268] ? vfs_copy_file_range+0xb90/0xb90 [ 412.058851] ? setup_sigcontext+0x7d0/0x7d0 [ 412.063196] ? exit_to_usermode_loop+0x8c/0x380 [ 412.067887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.073431] exit_to_usermode_loop+0x2e5/0x380 [ 412.078017] ? syscall_slow_exit_work+0x520/0x520 [ 412.082858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.088426] do_syscall_64+0x6be/0x820 [ 412.092318] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 412.097689] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.102620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.107472] ? trace_hardirqs_off+0x300/0x300 [ 412.111975] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.117004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.121855] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.127042] RIP: 0033:0x410e10 [ 412.130252] Code: Bad RIP value. [ 412.133613] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 412.141320] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 412.148587] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 412.155852] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 412.163120] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 412.170388] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 412.177688] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 412.177693] warn_alloc_show_mem: 1 callbacks suppressed [ 412.177701] Mem-Info: [ 412.184978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.190346] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 412.190346] active_file:19 inactive_file:16 isolated_file:0 [ 412.190346] unevictable:0 dirty:0 writeback:0 unstable:0 [ 412.190346] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 412.190346] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 412.190346] free:13785 free_pcp:397 free_cma:0 [ 412.192717] Call Trace: [ 412.202103] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 412.234864] [ 412.237435] Node 0 [ 412.265022] dump_stack+0x1c4/0x2b4 [ 412.267171] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 412.269381] ? dump_stack_print_info.cold.2+0x52/0x52 [ 412.272978] lowmem_reserve[]: [ 412.298497] warn_alloc.cold.118+0xb7/0x1bd [ 412.303652] 0 [ 412.306753] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.311061] 2815 [ 412.312877] ? lock_downgrade+0x900/0x900 [ 412.317692] 6318 [ 412.319757] ? trace_hardirqs_off+0xb8/0x300 [ 412.323875] 6318 [ 412.325935] ? trace_hardirqs_off+0xb8/0x300 [ 412.332377] __alloc_pages_slowpath+0x2667/0x2d80 [ 412.336756] Node 0 DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 412.341629] ? warn_alloc+0x120/0x120 [ 412.368931] lowmem_reserve[]: 0 [ 412.372729] ? __bfs+0x385/0x7a0 [ 412.372745] ? check_usage+0x2c4/0x790 [ 412.376002] 0 [ 412.379361] ? warn_alloc+0x120/0x120 [ 412.383223] 3503 [ 412.385018] ? print_usage_bug+0xc0/0xc0 [ 412.388793] 3503 [ 412.390850] ? lock_pin_lock+0x350/0x350 [ 412.396941] ? check_usage_forwards+0x3e0/0x3e0 [ 412.400978] Node 0 Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 412.405689] ? kasan_check_read+0x11/0x20 [ 412.405708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.434834] lowmem_reserve[]: [ 412.438986] ? should_fail+0x22d/0xd01 [ 412.444494] 0 [ 412.447596] ? lockdep_on+0x50/0x50 [ 412.451458] 0 [ 412.453258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.456859] 0 [ 412.458655] ? __lock_acquire+0x7ec/0x4ec0 [ 412.463724] 0 [ 412.465531] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.469740] Node 0 [ 412.471539] ? should_fail+0x22d/0xd01 [ 412.476622] DMA: [ 412.478858] ? mark_held_locks+0x130/0x130 [ 412.482721] 1*4kB [ 412.484788] ? mark_held_locks+0x130/0x130 [ 412.488999] (U) [ 412.491142] ? print_usage_bug+0xc0/0xc0 [ 412.495355] 0*8kB [ 412.497329] ? graph_lock+0x170/0x170 [ 412.501360] 0*16kB [ 412.503504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.507279] 1*32kB [ 412.509510] ? check_preemption_disabled+0x48/0x200 [ 412.515020] (U) [ 412.517249] ? check_preemption_disabled+0x48/0x200 [ 412.522241] 2*64kB [ 412.524227] ? __lock_is_held+0xb5/0x140 [ 412.529212] (U) [ 412.531448] __alloc_pages_nodemask+0xa80/0xde0 [ 412.535479] 1*128kB [ 412.537449] ? graph_lock+0x170/0x170 [ 412.542094] (U) [ 412.544416] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 412.548184] 1*256kB (U) [ 412.550168] ? graph_lock+0x170/0x170 [ 412.555160] 0*512kB [ 412.557836] ? find_held_lock+0x36/0x1c0 [ 412.561600] 1*1024kB (U) [ 412.563937] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.567964] 1*2048kB (M) [ 412.570729] ? lock_downgrade+0x900/0x900 [ 412.575383] 3*4096kB [ 412.578142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.582259] (M) [ 412.584691] cache_grow_begin+0x91/0x8c0 [ 412.590194] = 15908kB [ 412.590203] Node 0 [ 412.592176] ? do_raw_spin_unlock+0xa7/0x2f0 [ 412.596207] DMA32: [ 412.598703] fallback_alloc+0x203/0x2e0 [ 412.600908] 3*4kB [ 412.605316] ____cache_alloc_node+0x1c7/0x1e0 [ 412.607525] (M) [ 412.611497] kmem_cache_alloc_node+0xe3/0x730 [ 412.613618] 1*8kB [ 412.618114] ? mark_held_locks+0xc7/0x130 [ 412.620068] (M) [ 412.624591] __alloc_skb+0x119/0x770 [ 412.626703] 3*16kB [ 412.630850] ? skb_scrub_packet+0x490/0x490 [ 412.632800] (UM) [ 412.636512] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 412.638720] 3*32kB [ 412.643037] ? queue_work_on+0x12c/0x1e0 [ 412.645080] (UM) [ 412.649656] ? switchdev_port_obj_del+0xdc/0x450 [ 412.651863] 2*64kB [ 412.655916] ? switchdev_trans_item_enqueue+0x260/0x260 [ 412.657954] (UM) [ 412.662706] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.664917] 5*128kB [ 412.670275] __br_mdb_notify+0x4ff/0x15d0 [ 412.672312] (UM) [ 412.677332] ? __br_mdb_add+0x800/0x800 [ 412.679624] 3*256kB [ 412.683776] ? graph_lock+0x170/0x170 [ 412.685803] (M) [ 412.689778] ? br_multicast_group_expired+0x96/0x610 [ 412.692078] 4*512kB [ 412.695871] ? find_held_lock+0x36/0x1c0 [ 412.697822] (M) [ 412.702931] br_mdb_notify+0x310/0x410 [ 412.705228] 3*1024kB [ 412.709295] ? br_mdb_dump+0x2530/0x2530 [ 412.711242] (UM) [ 412.715134] ? kasan_check_write+0x14/0x20 [ 412.717518] 3*2048kB [ 412.721594] ? do_raw_spin_lock+0xc1/0x200 [ 412.723623] (M) [ 412.727866] br_multicast_group_expired+0x1bc/0x610 [ 412.730246] 3*4096kB [ 412.734485] ? br_mdb_free+0x80/0x80 [ 412.736436] (M) [ 412.741469] call_timer_fn+0x272/0x920 [ 412.743841] = 25252kB [ 412.747559] ? br_mdb_free+0x80/0x80 [ 412.749511] Node 0 [ 412.753394] ? process_timeout+0x40/0x40 [ 412.755780] Normal: [ 412.759484] ? find_held_lock+0x36/0x1c0 [ 412.761697] 1016*4kB [ 412.765754] ? __run_timers+0x7da/0xc70 [ 412.768051] (UME) [ 412.772110] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.774497] 348*8kB [ 412.778710] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.780843] (UME) [ 412.785332] ? br_mdb_free+0x80/0x80 [ 412.787632] 167*16kB [ 412.792119] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 412.794246] (UME) [ 412.797955] ? trace_hardirqs_on+0xbd/0x310 [ 412.800339] 68*32kB [ 412.804930] ? kasan_check_read+0x11/0x20 [ 412.807058] (UME) [ 412.811372] ? __run_timers+0x7da/0xc70 [ 412.813671] 21*64kB [ 412.817814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.819941] (M) [ 412.823909] ? br_multicast_del_pg+0x790/0x790 [ 412.826203] 6*128kB (UM) [ 412.831653] ? br_mdb_free+0x80/0x80 [ 412.833624] 1*256kB [ 412.838202] __run_timers+0x7e5/0xc70 [ 412.840938] (U) [ 412.844655] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 412.846947] 0*512kB [ 412.850742] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 412.852698] 0*1024kB [ 412.858055] ? graph_lock+0x170/0x170 [ 412.860360] 0*2048kB [ 412.865368] ? enqueue_hrtimer+0x1a5/0x560 [ 412.867841] 0*4096kB [ 412.871635] ? lock_release+0x970/0x970 [ 412.874025] = 14064kB [ 412.878249] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 412.880644] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 412.884610] ? find_held_lock+0x36/0x1c0 [ 412.887002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 412.892178] ? graph_lock+0x170/0x170 [ 412.901009] 503 total pagecache pages [ 412.905066] ? pvclock_read_flags+0x160/0x160 [ 412.913627] 0 pages in swap cache [ 412.917415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.921193] Swap cache stats: add 0, delete 0, find 0/0 [ 412.925679] ? check_preemption_disabled+0x48/0x200 [ 412.929108] Free swap = 0kB [ 412.934646] ? __lock_is_held+0xb5/0x140 [ 412.939978] Total swap = 0kB [ 412.944994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.947990] 1965979 pages RAM [ 412.952041] ? check_preemption_disabled+0x48/0x200 [ 412.955033] 0 pages HighMem/MovableOnly [ 412.960583] run_timer_softirq+0x52/0xb0 [ 412.963655] 343324 pages reserved [ 412.968666] ? rcu_read_lock_sched_held+0x108/0x120 [ 412.972615] 0 pages cma reserved [ 412.976670] __do_softirq+0x30b/0xad8 [ 412.980197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.985114] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 412.985134] ? pvclock_read_flags+0x160/0x160 [ 412.985149] ? lapic_next_event+0x5a/0x90 [ 412.988576] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.992294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.998763] syz-executor2 cpuset= [ 413.003861] ? check_preemption_disabled+0x48/0x200 [ 413.008593] syz2 [ 413.012762] ? check_preemption_disabled+0x48/0x200 [ 413.023229] mems_allowed=0 [ 413.028762] ? kvm_clock_read+0x18/0x30 [ 413.051033] ? kvm_sched_clock_read+0x9/0x20 [ 413.055447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.060983] ? check_preemption_disabled+0x48/0x200 [ 413.066016] irq_exit+0x17f/0x1c0 [ 413.069475] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.074321] ? smp_reschedule_interrupt+0x109/0x650 [ 413.079340] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.085227] ? interrupt_entry+0xb5/0xf0 [ 413.089295] ? trace_hardirqs_off_caller+0xbb/0x300 [ 413.094310] ? trace_hardirqs_off_caller+0xbb/0x300 [ 413.099332] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.104182] ? trace_hardirqs_off+0x300/0x300 [ 413.108681] ? trace_hardirqs_off+0x300/0x300 [ 413.113182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.118720] ? check_preemption_disabled+0x48/0x200 [ 413.123736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.129282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.134133] apic_timer_interrupt+0xf/0x20 [ 413.138364] [ 413.140609] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 413.145544] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 413.164455] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 413.172168] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 413.179454] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 413.186812] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 413.194077] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 413.201348] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 413.208668] skb_clone+0x1bb/0x500 [ 413.212214] ? skb_split+0x11e0/0x11e0 [ 413.216107] ? preempt_notifier_register+0x200/0x200 [ 413.221208] ? __switch_to_asm+0x34/0x70 [ 413.225271] ? __switch_to_asm+0x34/0x70 [ 413.229329] ? __switch_to_asm+0x40/0x70 [ 413.233388] ? __switch_to_asm+0x34/0x70 [ 413.237449] ? __switch_to_asm+0x40/0x70 [ 413.241514] ? __switch_to_asm+0x40/0x70 [ 413.245587] ? __switch_to_asm+0x34/0x70 [ 413.249651] ? __switch_to_asm+0x34/0x70 [ 413.253709] ? __switch_to_asm+0x40/0x70 [ 413.257770] ? __switch_to_asm+0x34/0x70 [ 413.261846] bpf_clone_redirect+0xb9/0x490 [ 413.266093] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 413.271118] ? __sched_text_start+0x8/0x8 [ 413.275269] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.280126] ? find_held_lock+0x36/0x1c0 [ 413.284194] ? lock_acquire+0x1ed/0x520 [ 413.288170] ? bpf_test_run+0x32e/0x5a0 [ 413.292145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.297700] ? check_preemption_disabled+0x48/0x200 [ 413.302727] ? kasan_check_read+0x11/0x20 [ 413.306878] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.312157] ? rcu_bh_qs+0xc0/0xc0 [ 413.315701] ? preempt_schedule+0x4d/0x60 [ 413.319849] ? ___preempt_schedule+0x16/0x18 [ 413.324283] ? bpf_test_run+0x1c0/0x5a0 [ 413.328262] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 413.333113] ? netlink_diag_dump+0x2a0/0x2a0 [ 413.337529] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.343091] ? bpf_test_init.isra.9+0x70/0x100 [ 413.347688] ? bpf_prog_test_run_skb+0x634/0xb40 [ 413.352460] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 413.357307] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 413.362843] ? fput+0x130/0x1a0 [ 413.366125] ? __bpf_prog_get+0x9b/0x290 [ 413.370188] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 413.375030] ? bpf_prog_test_run+0x130/0x1a0 [ 413.379442] ? __x64_sys_bpf+0x3d8/0x510 [ 413.383504] ? bpf_prog_get+0x20/0x20 [ 413.387327] ? do_syscall_64+0x1b9/0x820 [ 413.391387] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 413.396757] ? syscall_return_slowpath+0x5e0/0x5e0 [ 413.401690] ? trace_hardirqs_off+0x300/0x300 [ 413.406208] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 413.411226] ? recalc_sigpending_tsk+0x180/0x180 [ 413.415982] ? kasan_check_write+0x14/0x20 [ 413.420224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.425080] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.430464] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 413.430664] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.437675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.448168] syz-executor4 cpuset= [ 413.457524] Call Trace: [ 413.457539] syz4 [ 413.460995] [ 413.463585] mems_allowed=0 [ 413.465560] dump_stack+0x1c4/0x2b4 [ 413.474241] ? dump_stack_print_info.cold.2+0x52/0x52 [ 413.479449] warn_alloc.cold.118+0xb7/0x1bd [ 413.483775] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.488622] ? lock_downgrade+0x900/0x900 [ 413.492781] ? trace_hardirqs_off+0xb8/0x300 [ 413.497199] ? trace_hardirqs_off+0xb8/0x300 [ 413.501622] __alloc_pages_slowpath+0x2667/0x2d80 [ 413.506496] ? warn_alloc+0x120/0x120 [ 413.510302] ? warn_alloc+0x120/0x120 [ 413.514126] ? print_usage_bug+0xc0/0xc0 [ 413.518189] ? warn_alloc+0x120/0x120 [ 413.522254] ? print_usage_bug+0xc0/0xc0 [ 413.526316] ? __lock_acquire+0x7ec/0x4ec0 [ 413.530562] ? __lock_acquire+0x7ec/0x4ec0 [ 413.534800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.540339] ? should_fail+0x22d/0xd01 [ 413.544235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.549337] ? __lock_acquire+0x7ec/0x4ec0 [ 413.553588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.558689] ? __lock_acquire+0x7ec/0x4ec0 [ 413.562923] ? should_fail+0x22d/0xd01 [ 413.566820] ? mark_held_locks+0x130/0x130 [ 413.571060] ? mark_held_locks+0x130/0x130 [ 413.575301] ? graph_lock+0x170/0x170 [ 413.579104] ? graph_lock+0x170/0x170 [ 413.582908] ? graph_lock+0x170/0x170 [ 413.586881] ? print_usage_bug+0xc0/0xc0 [ 413.590960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.596501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.602038] ? check_preemption_disabled+0x48/0x200 [ 413.607056] ? check_preemption_disabled+0x48/0x200 [ 413.612092] ? __lock_is_held+0xb5/0x140 [ 413.616160] __alloc_pages_nodemask+0xa80/0xde0 [ 413.620830] ? graph_lock+0x170/0x170 [ 413.624641] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 413.629658] ? graph_lock+0x170/0x170 [ 413.633471] ? find_held_lock+0x36/0x1c0 [ 413.637542] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.642231] ? lock_downgrade+0x900/0x900 [ 413.646634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.652181] cache_grow_begin+0x91/0x8c0 [ 413.656247] ? do_raw_spin_unlock+0xa7/0x2f0 [ 413.660670] fallback_alloc+0x203/0x2e0 [ 413.664657] ____cache_alloc_node+0x1c7/0x1e0 [ 413.669160] kmem_cache_alloc_node+0xe3/0x730 [ 413.673662] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.677911] __alloc_skb+0x119/0x770 [ 413.681637] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.686923] ? skb_scrub_packet+0x490/0x490 [ 413.691245] ? lock_downgrade+0x900/0x900 [ 413.695407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.700948] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.706405] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.711864] ? addrconf_rs_timer+0x6f0/0x6f0 [ 413.716291] ndisc_alloc_skb+0x144/0x340 [ 413.720360] ndisc_send_rs+0x331/0x6e0 [ 413.724258] addrconf_rs_timer+0x3c0/0x6f0 [ 413.728500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.732748] call_timer_fn+0x272/0x920 [ 413.736636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.740878] ? process_timeout+0x40/0x40 [ 413.744938] ? find_held_lock+0x36/0x1c0 [ 413.749010] ? mark_held_locks+0xc7/0x130 [ 413.753170] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.757677] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.762183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.766423] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 413.771013] ? trace_hardirqs_on+0xbd/0x310 [ 413.775336] ? kasan_check_read+0x11/0x20 [ 413.779486] ? __run_timers+0x7da/0xc70 [ 413.783466] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.788923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.793170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.797405] __run_timers+0x7e5/0xc70 [ 413.801222] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 413.806600] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.811620] ? graph_lock+0x170/0x170 [ 413.815426] ? print_usage_bug+0xc0/0xc0 [ 413.819488] ? lock_release+0x970/0x970 [ 413.823462] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.828658] ? find_held_lock+0x36/0x1c0 [ 413.832757] ? graph_lock+0x170/0x170 [ 413.836572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.842110] ? check_preemption_disabled+0x48/0x200 [ 413.847143] ? __lock_is_held+0xb5/0x140 [ 413.851205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.856743] ? check_preemption_disabled+0x48/0x200 [ 413.861773] run_timer_softirq+0x52/0xb0 [ 413.865837] ? rcu_read_lock_sched_held+0x108/0x120 [ 413.870864] __do_softirq+0x30b/0xad8 [ 413.874689] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 413.879810] ? pvclock_read_flags+0x160/0x160 [ 413.884321] ? lapic_next_event+0x5a/0x90 [ 413.888479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.894041] ? check_preemption_disabled+0x48/0x200 [ 413.899066] ? check_preemption_disabled+0x48/0x200 [ 413.904104] ? kvm_clock_read+0x18/0x30 [ 413.908085] ? kvm_sched_clock_read+0x9/0x20 [ 413.912497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.918032] ? check_preemption_disabled+0x48/0x200 [ 413.923061] irq_exit+0x17f/0x1c0 [ 413.926523] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.931376] ? smp_reschedule_interrupt+0x109/0x650 [ 413.936398] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.942285] ? interrupt_entry+0xb5/0xf0 [ 413.946351] ? trace_hardirqs_off_caller+0xbb/0x300 [ 413.951369] ? trace_hardirqs_off_caller+0xbb/0x300 [ 413.956386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.961232] ? trace_hardirqs_off+0x300/0x300 [ 413.965724] ? trace_hardirqs_off+0x300/0x300 [ 413.970223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.975760] ? check_preemption_disabled+0x48/0x200 [ 413.980774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.986318] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.991171] apic_timer_interrupt+0xf/0x20 [ 413.995449] [ 413.997692] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 414.002970] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 414.021875] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 414.029626] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 414.036893] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 414.044160] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 414.051430] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 414.058694] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 414.065992] ? arch_local_irq_restore+0x45/0x52 [ 414.070680] dump_stack+0x26a/0x2b4 [ 414.074316] ? dump_stack_print_info.cold.2+0x52/0x52 [ 414.079513] ? mark_held_locks+0x130/0x130 [ 414.083746] ? mark_held_locks+0x130/0x130 [ 414.087986] dump_header+0x27b/0xf72 [ 414.091713] ? pagefault_out_of_memory+0x197/0x197 [ 414.096652] ? mark_held_locks+0x130/0x130 [ 414.100891] ? __lock_acquire+0x7ec/0x4ec0 [ 414.105138] ? print_usage_bug+0xc0/0xc0 [ 414.109207] ? graph_lock+0x170/0x170 [ 414.113004] ? graph_lock+0x170/0x170 [ 414.116804] ? print_usage_bug+0xc0/0xc0 [ 414.120865] ? print_usage_bug+0xc0/0xc0 [ 414.124939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.130486] ? find_held_lock+0x36/0x1c0 [ 414.134562] ? mark_held_locks+0xc7/0x130 [ 414.138719] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.143835] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.148951] ? lockdep_hardirqs_on+0x421/0x5c0 [ 414.153537] ? trace_hardirqs_on+0xbd/0x310 [ 414.157863] ? kasan_check_read+0x11/0x20 [ 414.162016] ? ___ratelimit+0x36f/0x655 [ 414.165993] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.171459] ? trace_hardirqs_on+0x310/0x310 [ 414.175869] ? lock_downgrade+0x900/0x900 [ 414.180023] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.185131] ? ___ratelimit+0xaa/0x655 [ 414.189022] ? idr_get_free+0xec0/0xec0 [ 414.192999] ? kasan_check_write+0x14/0x20 [ 414.197237] ? do_raw_spin_lock+0xc1/0x200 [ 414.201488] oom_kill_process.cold.27+0x10/0x903 [ 414.206255] ? graph_lock+0x170/0x170 [ 414.210061] ? _raw_spin_unlock+0x2c/0x50 [ 414.214220] ? oom_badness+0xe6/0xaa0 [ 414.218030] ? oom_evaluate_task+0x540/0x540 [ 414.222447] ? find_held_lock+0x36/0x1c0 [ 414.226520] ? out_of_memory+0x974/0x14c0 [ 414.230681] ? lock_downgrade+0x900/0x900 [ 414.234828] ? check_preemption_disabled+0x48/0x200 [ 414.239850] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 414.245648] ? kasan_check_read+0x11/0x20 [ 414.249801] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 414.255088] ? rcu_bh_qs+0xc0/0xc0 [ 414.258634] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 414.263649] ? oom_evaluate_task+0x302/0x540 [ 414.268063] out_of_memory+0xa86/0x14c0 [ 414.272052] ? oom_killer_disable+0x3a0/0x3a0 [ 414.276562] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 414.281499] ? __mutex_add_waiter+0x2a0/0x2a0 [ 414.286006] __alloc_pages_slowpath+0x2318/0x2d80 [ 414.290884] ? warn_alloc+0x120/0x120 [ 414.294689] ? lock_downgrade+0x900/0x900 [ 414.298851] ? print_usage_bug+0xc0/0xc0 [ 414.302913] ? warn_alloc+0x120/0x120 [ 414.306717] ? print_usage_bug+0xc0/0xc0 [ 414.310782] ? debug_check_no_obj_freed+0x305/0x58d [ 414.315818] ? print_usage_bug+0xc0/0xc0 [ 414.319883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.325428] ? should_fail+0x22d/0xd01 [ 414.329327] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.334441] ? __lock_acquire+0x7ec/0x4ec0 [ 414.338719] ? __lock_is_held+0xb5/0x140 [ 414.342805] ? graph_lock+0x170/0x170 [ 414.346621] ? ___might_sleep+0x1ed/0x300 [ 414.350778] ? lock_release+0x970/0x970 [ 414.354758] ? arch_local_save_flags+0x40/0x40 [ 414.359356] ? __might_sleep+0x95/0x190 [ 414.363342] __alloc_pages_nodemask+0xa80/0xde0 [ 414.368019] ? graph_lock+0x170/0x170 [ 414.371825] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 414.376838] ? graph_lock+0x170/0x170 [ 414.380652] ? mark_held_locks+0xc7/0x130 [ 414.384801] ? find_held_lock+0x36/0x1c0 [ 414.388868] ? cache_grow_begin+0x5a4/0x8c0 [ 414.393193] ? lockdep_hardirqs_on+0x421/0x5c0 [ 414.397782] ? trace_hardirqs_on+0xbd/0x310 [ 414.402127] ? fallback_alloc+0x203/0x2e0 [ 414.406278] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.411736] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 414.417284] cache_grow_begin+0x91/0x8c0 [ 414.421349] ? do_raw_spin_unlock+0xa7/0x2f0 [ 414.425765] fallback_alloc+0x203/0x2e0 [ 414.429751] ____cache_alloc_node+0x1c7/0x1e0 [ 414.434258] kmem_cache_alloc_node_trace+0xe7/0x740 [ 414.439379] __kmalloc_node_track_caller+0x33/0x70 [ 414.444316] __kmalloc_reserve.isra.39+0x41/0xe0 [ 414.449085] __alloc_skb+0x155/0x770 [ 414.452805] ? skb_scrub_packet+0x490/0x490 [ 414.457128] ? if_nlmsg_size+0x5d1/0xbb0 [ 414.461196] ? nla_put_ifalias+0x170/0x170 [ 414.465446] ? softnet_seq_show+0x470/0x470 [ 414.469771] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 414.474787] ? netif_tx_stop_all_queues+0xd9/0x110 [ 414.479723] rtmsg_ifinfo_build_skb+0x74/0x190 [ 414.484314] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 414.489160] rtmsg_ifinfo+0x8c/0xa0 [ 414.492793] dev_close_many+0x3be/0x860 [ 414.496777] ? unlist_netdevice+0x670/0x670 [ 414.501109] ? find_held_lock+0x36/0x1c0 [ 414.505182] ? __queue_work+0x6be/0x1440 [ 414.509243] ? lock_downgrade+0x900/0x900 [ 414.513401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.518936] ? rtnl_is_locked+0xb5/0xf0 [ 414.522914] ? rtnl_trylock+0x20/0x20 [ 414.526718] ? do_raw_spin_unlock+0xa7/0x2f0 [ 414.531130] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 414.535720] rollback_registered_many+0x56e/0x1240 [ 414.540661] ? generic_xdp_install+0x4c0/0x4c0 [ 414.545250] ? max_active_store+0x170/0x170 [ 414.549582] ? graph_lock+0x170/0x170 [ 414.553386] ? print_usage_bug+0xc0/0xc0 [ 414.557447] ? print_usage_bug+0xc0/0xc0 [ 414.561508] ? kfree_skbmem+0x154/0x230 [ 414.565482] ? graph_lock+0x170/0x170 [ 414.569287] ? print_usage_bug+0xc0/0xc0 [ 414.573351] ? find_held_lock+0x36/0x1c0 [ 414.577426] ? mark_held_locks+0xc7/0x130 [ 414.581584] rollback_registered+0x1e9/0x420 [ 414.585994] ? lockdep_hardirqs_on+0x351/0x5c0 [ 414.590581] ? rollback_registered_many+0x1240/0x1240 [ 414.595772] ? trace_hardirqs_on+0xbd/0x310 [ 414.600098] ? linkwatch_schedule_work+0x150/0x170 [ 414.605030] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.610495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.616033] ? rtnl_is_locked+0xb5/0xf0 [ 414.620010] ? rtnl_trylock+0x20/0x20 [ 414.623813] ? queue_delayed_work_on+0x130/0x1f0 [ 414.628586] unregister_netdevice_queue+0x321/0x5e0 [ 414.633611] ? rollback_registered+0x420/0x420 [ 414.638195] ? linkwatch_schedule_work+0x170/0x170 [ 414.643126] ? tun_show_owner+0x170/0x170 [ 414.647277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.652821] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 414.658185] ? __tun_detach+0x6ba/0x15c0 [ 414.662254] __tun_detach+0x11b8/0x15c0 [ 414.666230] ? __call_rcu.constprop.69+0x429/0xbc0 [ 414.671169] ? tun_attach+0x1770/0x1770 [ 414.675201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.680736] ? check_preemption_disabled+0x48/0x200 [ 414.685763] ? graph_lock+0x170/0x170 [ 414.689576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.695115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.700654] ? locks_remove_file+0x3c6/0x5c0 [ 414.705063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.710625] ? ima_file_free+0x132/0x650 [ 414.714693] ? __lock_is_held+0xb5/0x140 [ 414.718762] ? __tun_detach+0x15c0/0x15c0 [ 414.722919] ? __tun_detach+0x15c0/0x15c0 [ 414.727070] tun_chr_close+0xe3/0x180 [ 414.730877] __fput+0x385/0xa30 [ 414.734165] ? get_max_files+0x20/0x20 [ 414.738061] ? ___might_sleep+0x1ed/0x300 [ 414.742225] ? arch_local_save_flags+0x40/0x40 [ 414.746817] ____fput+0x15/0x20 [ 414.750102] task_work_run+0x1e8/0x2a0 [ 414.753996] ? task_work_cancel+0x240/0x240 [ 414.758327] ? switch_task_namespaces+0xb8/0xd0 [ 414.763002] do_exit+0x1ad7/0x2610 [ 414.766550] ? mm_update_next_owner+0x990/0x990 [ 414.771232] ? print_usage_bug+0xc0/0xc0 [ 414.775779] ? __lock_acquire+0x7ec/0x4ec0 [ 414.780017] ? find_held_lock+0x36/0x1c0 [ 414.784096] ? __lock_acquire+0x7ec/0x4ec0 [ 414.788333] ? mark_held_locks+0x130/0x130 [ 414.792581] ? lock_acquire+0x1ed/0x520 [ 414.796575] ? mark_held_locks+0x130/0x130 [ 414.800812] ? arch_local_save_flags+0x40/0x40 [ 414.805396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.810957] ? __mutex_lock+0x872/0x1710 [ 414.815018] ? __switch_to_asm+0x40/0x70 [ 414.819086] ? __switch_to_asm+0x34/0x70 [ 414.823150] ? pipe_wait+0x266/0x2c0 [ 414.826871] ? mutex_trylock+0x2b0/0x2b0 [ 414.830951] ? graph_lock+0x170/0x170 [ 414.834751] ? find_held_lock+0x36/0x1c0 [ 414.838816] ? memset+0x31/0x40 [ 414.842105] ? find_held_lock+0x36/0x1c0 [ 414.846179] ? get_signal+0x95b/0x1980 [ 414.850072] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.854579] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.859088] do_group_exit+0x177/0x440 [ 414.862980] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.868434] ? __ia32_sys_exit+0x50/0x50 [ 414.872506] get_signal+0x8b0/0x1980 [ 414.876232] ? ptrace_notify+0x130/0x130 [ 414.880302] ? finish_wait+0x430/0x430 [ 414.884190] ? graph_lock+0x170/0x170 [ 414.887999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.893536] ? pipe_read+0x702/0x940 [ 414.897257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.902808] do_signal+0x9c/0x21e0 [ 414.906352] ? __vfs_read+0x11f/0x9b0 [ 414.910162] ? vfs_copy_file_range+0xb90/0xb90 [ 414.914748] ? setup_sigcontext+0x7d0/0x7d0 [ 414.919093] ? exit_to_usermode_loop+0x8c/0x380 [ 414.923787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.929334] exit_to_usermode_loop+0x2e5/0x380 [ 414.933921] ? syscall_slow_exit_work+0x520/0x520 [ 414.938767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.944317] do_syscall_64+0x6be/0x820 [ 414.948209] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 414.953583] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.958521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.963377] ? trace_hardirqs_off+0x300/0x300 [ 414.967878] ? prepare_exit_to_usermode+0x291/0x3b0 [ 414.972902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.977754] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.982942] RIP: 0033:0x410e10 [ 414.986140] Code: Bad RIP value. [ 414.989501] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 414.997213] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 415.004483] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 415.011752] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 415.019019] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 415.026288] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 415.033597] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 415.033603] warn_alloc_show_mem: 1 callbacks suppressed [ 415.033610] Mem-Info: [ 415.040890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.046258] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 415.046258] active_file:19 inactive_file:16 isolated_file:0 [ 415.046258] unevictable:0 dirty:0 writeback:0 unstable:0 [ 415.046258] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 415.046258] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 415.046258] free:13785 free_pcp:397 free_cma:0 [ 415.048629] Call Trace: [ 415.058021] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 415.090794] [ 415.093371] Node 0 [ 415.120965] dump_stack+0x1c4/0x2b4 [ 415.123124] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 415.125333] ? dump_stack_print_info.cold.2+0x52/0x52 [ 415.128933] lowmem_reserve[]: [ 415.154448] warn_alloc.cold.118+0xb7/0x1bd [ 415.159607] 0 [ 415.162707] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.167004] 2815 [ 415.168804] ? lock_downgrade+0x900/0x900 [ 415.173619] 6318 [ 415.175679] ? trace_hardirqs_off+0xb8/0x300 [ 415.179800] 6318 [ 415.181857] ? trace_hardirqs_off+0xb8/0x300 [ 415.188298] __alloc_pages_slowpath+0x2667/0x2d80 [ 415.192678] Node 0 DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 415.197545] ? warn_alloc+0x120/0x120 [ 415.197573] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.224869] lowmem_reserve[]: 0 [ 415.228690] ? warn_alloc+0x120/0x120 [ 415.233682] 0 [ 415.236966] ? print_usage_bug+0xc0/0xc0 [ 415.240734] 3503 [ 415.242533] ? warn_alloc+0x120/0x120 [ 415.246584] 3503 [ 415.248651] ? print_usage_bug+0xc0/0xc0 [ 415.254475] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.258514] Node 0 Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 415.263743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.263762] ? should_fail+0x22d/0xd01 [ 415.292894] lowmem_reserve[]: [ 415.298446] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.302293] 0 0 [ 415.305409] ? __lock_acquire+0x7ec/0x4ec0 [ 415.310480] 0 [ 415.312455] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.316663] 0 [ 415.318460] ? should_fail+0x22d/0xd01 [ 415.325346] ? mark_held_locks+0x130/0x130 [ 415.329204] Node 0 DMA: [ 415.333432] ? mark_held_locks+0x130/0x130 [ 415.333448] ? print_usage_bug+0xc0/0xc0 [ 415.336100] 1*4kB [ 415.340331] ? find_held_lock+0x36/0x1c0 [ 415.344364] (U) [ 415.346508] ? graph_lock+0x170/0x170 [ 415.350547] 0*8kB [ 415.352534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.356303] 0*16kB 1*32kB [ 415.358461] ? check_preemption_disabled+0x48/0x200 [ 415.363975] (U) [ 415.366824] ? check_preemption_disabled+0x48/0x200 [ 415.371812] 2*64kB (U) [ 415.373811] ? __lock_is_held+0xb5/0x140 [ 415.378785] 1*128kB (U) [ 415.381390] __alloc_pages_nodemask+0xa80/0xde0 [ 415.385409] 1*256kB (U) [ 415.388083] ? graph_lock+0x170/0x170 [ 415.392729] 0*512kB [ 415.395396] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 415.399166] 1*1024kB [ 415.401482] ? graph_lock+0x170/0x170 [ 415.406470] (U) [ 415.408881] ? find_held_lock+0x36/0x1c0 [ 415.412649] 1*2048kB [ 415.414623] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.418655] (M) [ 415.421061] ? lock_downgrade+0x900/0x900 [ 415.425705] 3*4096kB [ 415.427676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.431796] (M) [ 415.434204] cache_grow_begin+0x91/0x8c0 [ 415.439715] = 15908kB [ 415.441685] ? do_raw_spin_unlock+0xa7/0x2f0 [ 415.445718] Node 0 [ 415.448124] fallback_alloc+0x203/0x2e0 [ 415.452510] DMA32: [ 415.454747] ____cache_alloc_node+0x1c7/0x1e0 [ 415.458725] 3*4kB [ 415.460959] kmem_cache_alloc_node+0xe3/0x730 [ 415.465425] (M) [ 415.467583] ? mark_held_locks+0xc7/0x130 [ 415.472048] 1*8kB [ 415.474027] __alloc_skb+0x119/0x770 [ 415.478145] (M) [ 415.480292] ? skb_scrub_packet+0x490/0x490 [ 415.483979] 3*16kB [ 415.485952] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 415.490246] (UM) [ 415.492482] ? queue_work_on+0x12c/0x1e0 [ 415.497039] 3*32kB [ 415.499106] ? switchdev_port_obj_del+0xdc/0x450 [ 415.503135] (UM) [ 415.505371] ? switchdev_trans_item_enqueue+0x260/0x260 [ 415.510103] 2*64kB [ 415.512160] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.517495] (UM) [ 415.519730] __br_mdb_notify+0x4ff/0x15d0 [ 415.524722] 5*128kB [ 415.526784] ? __br_mdb_add+0x800/0x800 [ 415.530898] (UM) [ 415.533219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.537166] 3*256kB [ 415.539239] ? check_preemption_disabled+0x48/0x200 [ 415.544749] (M) [ 415.547073] ? graph_lock+0x170/0x170 [ 415.552062] 4*512kB [ 415.554042] ? br_multicast_group_expired+0x96/0x610 [ 415.557809] (M) 3*1024kB [ 415.560141] ? lock_downgrade+0x900/0x900 [ 415.565219] (UM) [ 415.567981] br_mdb_notify+0x310/0x410 [ 415.572100] 3*2048kB [ 415.574163] ? br_mdb_dump+0x2530/0x2530 [ 415.578022] (M) [ 415.580427] ? kasan_check_write+0x14/0x20 [ 415.584464] 3*4096kB [ 415.586439] ? do_raw_spin_lock+0xc1/0x200 [ 415.590652] (M) [ 415.593068] br_multicast_group_expired+0x1bc/0x610 [ 415.597265] = 25252kB [ 415.597274] Node 0 [ 415.599249] ? br_mdb_free+0x80/0x80 [ 415.604237] Normal: [ 415.606654] call_timer_fn+0x272/0x920 [ 415.608857] 1016*4kB [ 415.612572] ? br_mdb_free+0x80/0x80 [ 415.614871] (UME) [ 415.618757] ? process_timeout+0x40/0x40 [ 415.621142] 348*8kB [ 415.624856] ? find_held_lock+0x36/0x1c0 [ 415.626978] (UME) [ 415.631043] ? __run_timers+0x7da/0xc70 [ 415.633336] 167*16kB [ 415.637395] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.639516] (UME) [ 415.643983] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.646374] 68*32kB [ 415.650861] ? br_mdb_free+0x80/0x80 [ 415.652990] (UME) [ 415.657479] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 415.659780] 21*64kB [ 415.663488] ? trace_hardirqs_on+0xbd/0x310 [ 415.665610] (M) [ 415.670186] ? kasan_check_read+0x11/0x20 [ 415.672484] 6*128kB (UM) [ 415.676810] ? __run_timers+0x7da/0xc70 [ 415.678753] 1*256kB (U) [ 415.682903] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.685638] 0*512kB [ 415.689606] ? br_mdb_free+0x80/0x80 [ 415.692252] 0*1024kB [ 415.697695] ? br_mdb_free+0x80/0x80 [ 415.699995] 0*2048kB [ 415.703701] __run_timers+0x7e5/0xc70 [ 415.706085] 0*4096kB [ 415.709803] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 415.712180] = 14064kB [ 415.715975] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.718370] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 415.723720] ? graph_lock+0x170/0x170 [ 415.726117] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 415.731125] ? enqueue_hrtimer+0x1a5/0x560 [ 415.739952] 503 total pagecache pages [ 415.743776] ? lock_release+0x970/0x970 [ 415.752332] 0 pages in swap cache [ 415.756561] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.760336] Swap cache stats: add 0, delete 0, find 0/0 [ 415.764304] ? find_held_lock+0x36/0x1c0 [ 415.767732] Free swap = 0kB [ 415.772932] ? graph_lock+0x170/0x170 [ 415.778273] Total swap = 0kB [ 415.782325] ? pvclock_read_flags+0x160/0x160 [ 415.785316] 1965979 pages RAM [ 415.789111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.792108] 0 pages HighMem/MovableOnly [ 415.796601] ? check_preemption_disabled+0x48/0x200 [ 415.799682] 343324 pages reserved [ 415.805223] ? __lock_is_held+0xb5/0x140 [ 415.809160] 0 pages cma reserved [ 415.809248] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.814180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.814192] ? check_preemption_disabled+0x48/0x200 [ 415.814214] run_timer_softirq+0x52/0xb0 [ 415.814230] ? rcu_read_lock_sched_held+0x108/0x120 [ 415.817751] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.821761] __do_softirq+0x30b/0xad8 [ 415.825105] syz-executor2 cpuset= [ 415.831611] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 415.837131] syz2 [ 415.842146] ? pvclock_read_flags+0x160/0x160 [ 415.846182] mems_allowed=0 [ 415.851190] ? lapic_next_event+0x5a/0x90 [ 415.887456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.892999] ? check_preemption_disabled+0x48/0x200 [ 415.898014] ? check_preemption_disabled+0x48/0x200 [ 415.903048] ? kvm_clock_read+0x18/0x30 [ 415.907035] ? kvm_sched_clock_read+0x9/0x20 [ 415.911458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.916996] ? check_preemption_disabled+0x48/0x200 [ 415.922202] irq_exit+0x17f/0x1c0 [ 415.925666] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.930515] ? smp_reschedule_interrupt+0x109/0x650 [ 415.935533] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.941426] ? interrupt_entry+0xb5/0xf0 [ 415.945489] ? trace_hardirqs_off_caller+0xbb/0x300 [ 415.950504] ? trace_hardirqs_off_caller+0xbb/0x300 [ 415.955525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.960383] ? trace_hardirqs_off+0x300/0x300 [ 415.964882] ? trace_hardirqs_off+0x300/0x300 [ 415.969378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.974916] ? check_preemption_disabled+0x48/0x200 [ 415.979933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.985495] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.990349] apic_timer_interrupt+0xf/0x20 [ 415.994589] [ 415.996836] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 416.001772] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 416.020681] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 416.028415] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 416.035689] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 416.042955] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 416.050221] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 416.057489] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 416.064810] skb_clone+0x1bb/0x500 [ 416.068357] ? skb_split+0x11e0/0x11e0 [ 416.072252] ? preempt_notifier_register+0x200/0x200 [ 416.077370] ? __switch_to_asm+0x34/0x70 [ 416.081444] ? __switch_to_asm+0x34/0x70 [ 416.085503] ? __switch_to_asm+0x40/0x70 [ 416.089574] ? __switch_to_asm+0x34/0x70 [ 416.093658] ? __switch_to_asm+0x40/0x70 [ 416.097721] ? __switch_to_asm+0x40/0x70 [ 416.101786] ? __switch_to_asm+0x34/0x70 [ 416.105853] ? __switch_to_asm+0x34/0x70 [ 416.109911] ? __switch_to_asm+0x40/0x70 [ 416.113972] ? __switch_to_asm+0x34/0x70 [ 416.118046] bpf_clone_redirect+0xb9/0x490 [ 416.122294] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 416.127314] ? __sched_text_start+0x8/0x8 [ 416.131461] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.136230] ? find_held_lock+0x36/0x1c0 [ 416.140302] ? lock_acquire+0x1ed/0x520 [ 416.144277] ? bpf_test_run+0x32e/0x5a0 [ 416.148255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.153796] ? check_preemption_disabled+0x48/0x200 [ 416.158819] ? kasan_check_read+0x11/0x20 [ 416.162969] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.168251] ? rcu_bh_qs+0xc0/0xc0 [ 416.171796] ? preempt_schedule+0x4d/0x60 [ 416.175945] ? ___preempt_schedule+0x16/0x18 [ 416.180362] ? bpf_test_run+0x1c0/0x5a0 [ 416.184339] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 416.189195] ? netlink_diag_dump+0x2a0/0x2a0 [ 416.193614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.199160] ? bpf_test_init.isra.9+0x70/0x100 [ 416.203769] ? bpf_prog_test_run_skb+0x634/0xb40 [ 416.208564] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 416.213431] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 416.218987] ? fput+0x130/0x1a0 [ 416.222274] ? __bpf_prog_get+0x9b/0x290 [ 416.226344] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 416.231189] ? bpf_prog_test_run+0x130/0x1a0 [ 416.235608] ? __x64_sys_bpf+0x3d8/0x510 [ 416.239757] ? bpf_prog_get+0x20/0x20 [ 416.243595] ? do_syscall_64+0x1b9/0x820 [ 416.247662] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 416.253027] ? syscall_return_slowpath+0x5e0/0x5e0 [ 416.257962] ? trace_hardirqs_off+0x300/0x300 [ 416.262462] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 416.267480] ? recalc_sigpending_tsk+0x180/0x180 [ 416.272233] ? kasan_check_write+0x14/0x20 [ 416.276515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.281368] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.286755] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 416.286932] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.293962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.304463] syz-executor4 cpuset= [ 416.313814] Call Trace: [ 416.313827] [ 416.317272] syz4 [ 416.319856] dump_stack+0x1c4/0x2b4 [ 416.321979] mems_allowed=0 [ 416.323949] ? dump_stack_print_info.cold.2+0x52/0x52 [ 416.335668] warn_alloc.cold.118+0xb7/0x1bd [ 416.339993] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.344848] ? lock_downgrade+0x900/0x900 [ 416.349008] ? trace_hardirqs_off+0xb8/0x300 [ 416.353424] ? trace_hardirqs_off+0xb8/0x300 [ 416.357846] __alloc_pages_slowpath+0x2667/0x2d80 [ 416.362722] ? warn_alloc+0x120/0x120 [ 416.366531] ? warn_alloc+0x120/0x120 [ 416.370359] ? print_usage_bug+0xc0/0xc0 [ 416.374419] ? warn_alloc+0x120/0x120 [ 416.378224] ? print_usage_bug+0xc0/0xc0 [ 416.382292] ? __lock_acquire+0x7ec/0x4ec0 [ 416.386525] ? __lock_acquire+0x7ec/0x4ec0 [ 416.390770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.396311] ? should_fail+0x22d/0xd01 [ 416.400208] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.405316] ? __lock_acquire+0x7ec/0x4ec0 [ 416.409569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.414690] ? __lock_acquire+0x7ec/0x4ec0 [ 416.418927] ? should_fail+0x22d/0xd01 [ 416.422823] ? mark_held_locks+0x130/0x130 [ 416.427066] ? mark_held_locks+0x130/0x130 [ 416.431309] ? graph_lock+0x170/0x170 [ 416.435111] ? graph_lock+0x170/0x170 [ 416.438919] ? graph_lock+0x170/0x170 [ 416.442719] ? print_usage_bug+0xc0/0xc0 [ 416.446792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.452334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.457877] ? check_preemption_disabled+0x48/0x200 [ 416.462896] ? check_preemption_disabled+0x48/0x200 [ 416.467927] ? __lock_is_held+0xb5/0x140 [ 416.472009] __alloc_pages_nodemask+0xa80/0xde0 [ 416.476700] ? graph_lock+0x170/0x170 [ 416.480521] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 416.485550] ? graph_lock+0x170/0x170 [ 416.489386] ? find_held_lock+0x36/0x1c0 [ 416.493465] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.498141] ? lock_downgrade+0x900/0x900 [ 416.502303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.507877] cache_grow_begin+0x91/0x8c0 [ 416.511949] ? do_raw_spin_unlock+0xa7/0x2f0 [ 416.516373] fallback_alloc+0x203/0x2e0 [ 416.520358] ____cache_alloc_node+0x1c7/0x1e0 [ 416.524880] kmem_cache_alloc_node+0xe3/0x730 [ 416.529381] ? ipv6_get_ifaddr+0x42e/0x620 [ 416.533627] __alloc_skb+0x119/0x770 [ 416.537342] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.542626] ? skb_scrub_packet+0x490/0x490 [ 416.546949] ? lock_downgrade+0x900/0x900 [ 416.551112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.556657] ? refcount_sub_and_test_checked+0x203/0x310 [ 416.562119] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 416.567579] ? addrconf_rs_timer+0x6f0/0x6f0 [ 416.572003] ndisc_alloc_skb+0x144/0x340 [ 416.576071] ndisc_send_rs+0x331/0x6e0 [ 416.579971] addrconf_rs_timer+0x3c0/0x6f0 [ 416.584215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.588463] call_timer_fn+0x272/0x920 [ 416.592356] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.596600] ? process_timeout+0x40/0x40 [ 416.600664] ? find_held_lock+0x36/0x1c0 [ 416.604733] ? mark_held_locks+0xc7/0x130 [ 416.608883] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.613377] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.617880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.622122] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 416.626707] ? trace_hardirqs_on+0xbd/0x310 [ 416.631027] ? kasan_check_read+0x11/0x20 [ 416.635177] ? __run_timers+0x7da/0xc70 [ 416.639156] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.644617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.648865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.653107] __run_timers+0x7e5/0xc70 [ 416.656931] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 416.662300] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 416.667318] ? graph_lock+0x170/0x170 [ 416.671128] ? print_usage_bug+0xc0/0xc0 [ 416.675186] ? lock_release+0x970/0x970 [ 416.679163] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 416.684360] ? find_held_lock+0x36/0x1c0 [ 416.688425] ? graph_lock+0x170/0x170 [ 416.692231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.697769] ? check_preemption_disabled+0x48/0x200 [ 416.702805] ? __lock_is_held+0xb5/0x140 [ 416.706868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.712406] ? check_preemption_disabled+0x48/0x200 [ 416.717435] run_timer_softirq+0x52/0xb0 [ 416.721498] ? rcu_read_lock_sched_held+0x108/0x120 [ 416.726518] __do_softirq+0x30b/0xad8 [ 416.730333] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 416.736665] ? pvclock_read_flags+0x160/0x160 [ 416.741167] ? lapic_next_event+0x5a/0x90 [ 416.745319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.750861] ? check_preemption_disabled+0x48/0x200 [ 416.755885] ? check_preemption_disabled+0x48/0x200 [ 416.760933] ? kvm_clock_read+0x18/0x30 [ 416.764937] ? kvm_sched_clock_read+0x9/0x20 [ 416.769379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.774941] ? check_preemption_disabled+0x48/0x200 [ 416.780515] irq_exit+0x17f/0x1c0 [ 416.783988] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.788839] ? smp_reschedule_interrupt+0x109/0x650 [ 416.793874] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.799766] ? interrupt_entry+0xb5/0xf0 [ 416.803835] ? trace_hardirqs_off_caller+0xbb/0x300 [ 416.808870] ? trace_hardirqs_off_caller+0xbb/0x300 [ 416.813909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.818779] ? trace_hardirqs_off+0x300/0x300 [ 416.823303] ? trace_hardirqs_off+0x300/0x300 [ 416.827823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.833376] ? check_preemption_disabled+0x48/0x200 [ 416.838404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.843967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.848832] apic_timer_interrupt+0xf/0x20 [ 416.853071] [ 416.855317] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 416.860611] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 416.879532] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 416.887282] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 416.894577] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 416.901861] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 416.909143] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 416.916435] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 416.923748] ? arch_local_irq_restore+0x45/0x52 [ 416.928568] dump_stack+0x26a/0x2b4 [ 416.932229] ? dump_stack_print_info.cold.2+0x52/0x52 [ 416.937441] ? mark_held_locks+0x130/0x130 [ 416.941691] ? mark_held_locks+0x130/0x130 [ 416.945972] dump_header+0x27b/0xf72 [ 416.949713] ? pagefault_out_of_memory+0x197/0x197 [ 416.954676] ? mark_held_locks+0x130/0x130 [ 416.958918] ? __lock_acquire+0x7ec/0x4ec0 [ 416.963166] ? print_usage_bug+0xc0/0xc0 [ 416.967245] ? graph_lock+0x170/0x170 [ 416.971049] ? graph_lock+0x170/0x170 [ 416.974863] ? print_usage_bug+0xc0/0xc0 [ 416.978936] ? print_usage_bug+0xc0/0xc0 [ 416.983034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.988612] ? find_held_lock+0x36/0x1c0 [ 416.992711] ? mark_held_locks+0xc7/0x130 [ 416.996897] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.002030] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.007159] ? lockdep_hardirqs_on+0x421/0x5c0 [ 417.011763] ? trace_hardirqs_on+0xbd/0x310 [ 417.016097] ? kasan_check_read+0x11/0x20 [ 417.020260] ? ___ratelimit+0x36f/0x655 [ 417.024244] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.029700] ? trace_hardirqs_on+0x310/0x310 [ 417.034117] ? lock_downgrade+0x900/0x900 [ 417.038279] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.043387] ? ___ratelimit+0xaa/0x655 [ 417.047284] ? idr_get_free+0xec0/0xec0 [ 417.051265] ? kasan_check_write+0x14/0x20 [ 417.055504] ? do_raw_spin_lock+0xc1/0x200 [ 417.059749] oom_kill_process.cold.27+0x10/0x903 [ 417.064514] ? graph_lock+0x170/0x170 [ 417.068326] ? _raw_spin_unlock+0x2c/0x50 [ 417.072476] ? oom_badness+0xe6/0xaa0 [ 417.076289] ? oom_evaluate_task+0x540/0x540 [ 417.080711] ? find_held_lock+0x36/0x1c0 [ 417.084789] ? out_of_memory+0x974/0x14c0 [ 417.088956] ? lock_downgrade+0x900/0x900 [ 417.093121] ? check_preemption_disabled+0x48/0x200 [ 417.098159] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 417.103955] ? kasan_check_read+0x11/0x20 [ 417.108107] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 417.113386] ? rcu_bh_qs+0xc0/0xc0 [ 417.116936] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.121954] ? oom_evaluate_task+0x302/0x540 [ 417.126371] out_of_memory+0xa86/0x14c0 [ 417.130359] ? oom_killer_disable+0x3a0/0x3a0 [ 417.134856] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 417.139787] ? __mutex_add_waiter+0x2a0/0x2a0 [ 417.144297] __alloc_pages_slowpath+0x2318/0x2d80 [ 417.149174] ? warn_alloc+0x120/0x120 [ 417.152979] ? lock_downgrade+0x900/0x900 [ 417.157148] ? print_usage_bug+0xc0/0xc0 [ 417.161227] ? warn_alloc+0x120/0x120 [ 417.165038] ? print_usage_bug+0xc0/0xc0 [ 417.169106] ? debug_check_no_obj_freed+0x305/0x58d [ 417.174125] ? print_usage_bug+0xc0/0xc0 [ 417.178191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.183735] ? should_fail+0x22d/0xd01 [ 417.187631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.192745] ? __lock_acquire+0x7ec/0x4ec0 [ 417.197016] ? __lock_is_held+0xb5/0x140 [ 417.201091] ? graph_lock+0x170/0x170 [ 417.204900] ? ___might_sleep+0x1ed/0x300 [ 417.209066] ? lock_release+0x970/0x970 [ 417.213069] ? arch_local_save_flags+0x40/0x40 [ 417.217702] ? __might_sleep+0x95/0x190 [ 417.221717] __alloc_pages_nodemask+0xa80/0xde0 [ 417.226415] ? graph_lock+0x170/0x170 [ 417.230229] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 417.235243] ? graph_lock+0x170/0x170 [ 417.239060] ? mark_held_locks+0xc7/0x130 [ 417.243218] ? find_held_lock+0x36/0x1c0 [ 417.247285] ? cache_grow_begin+0x5a4/0x8c0 [ 417.251613] ? lockdep_hardirqs_on+0x421/0x5c0 [ 417.256214] ? trace_hardirqs_on+0xbd/0x310 [ 417.260539] ? fallback_alloc+0x203/0x2e0 [ 417.264698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.270155] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 417.275702] cache_grow_begin+0x91/0x8c0 [ 417.279768] ? do_raw_spin_unlock+0xa7/0x2f0 [ 417.284191] fallback_alloc+0x203/0x2e0 [ 417.288184] ____cache_alloc_node+0x1c7/0x1e0 [ 417.292689] kmem_cache_alloc_node_trace+0xe7/0x740 [ 417.297729] __kmalloc_node_track_caller+0x33/0x70 [ 417.302668] __kmalloc_reserve.isra.39+0x41/0xe0 [ 417.307446] __alloc_skb+0x155/0x770 [ 417.311168] ? skb_scrub_packet+0x490/0x490 [ 417.315492] ? if_nlmsg_size+0x5d1/0xbb0 [ 417.319569] ? nla_put_ifalias+0x170/0x170 [ 417.323829] ? softnet_seq_show+0x470/0x470 [ 417.328176] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 417.333208] ? netif_tx_stop_all_queues+0xd9/0x110 [ 417.338165] rtmsg_ifinfo_build_skb+0x74/0x190 [ 417.342782] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 417.347659] rtmsg_ifinfo+0x8c/0xa0 [ 417.351315] dev_close_many+0x3be/0x860 [ 417.355321] ? unlist_netdevice+0x670/0x670 [ 417.359662] ? find_held_lock+0x36/0x1c0 [ 417.363747] ? __queue_work+0x6be/0x1440 [ 417.367818] ? lock_downgrade+0x900/0x900 [ 417.371977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.377520] ? rtnl_is_locked+0xb5/0xf0 [ 417.381497] ? rtnl_trylock+0x20/0x20 [ 417.385299] ? do_raw_spin_unlock+0xa7/0x2f0 [ 417.389713] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 417.394303] rollback_registered_many+0x56e/0x1240 [ 417.399240] ? generic_xdp_install+0x4c0/0x4c0 [ 417.403828] ? max_active_store+0x170/0x170 [ 417.408155] ? graph_lock+0x170/0x170 [ 417.411961] ? print_usage_bug+0xc0/0xc0 [ 417.416026] ? print_usage_bug+0xc0/0xc0 [ 417.420094] ? kfree_skbmem+0x154/0x230 [ 417.424072] ? graph_lock+0x170/0x170 [ 417.427881] ? print_usage_bug+0xc0/0xc0 [ 417.431947] ? find_held_lock+0x36/0x1c0 [ 417.436024] ? mark_held_locks+0xc7/0x130 [ 417.440179] rollback_registered+0x1e9/0x420 [ 417.444593] ? lockdep_hardirqs_on+0x351/0x5c0 [ 417.449181] ? rollback_registered_many+0x1240/0x1240 [ 417.454377] ? trace_hardirqs_on+0xbd/0x310 [ 417.458706] ? linkwatch_schedule_work+0x150/0x170 [ 417.463658] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.469144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.474712] ? rtnl_is_locked+0xb5/0xf0 [ 417.478716] ? rtnl_trylock+0x20/0x20 [ 417.482535] ? queue_delayed_work_on+0x130/0x1f0 [ 417.487310] unregister_netdevice_queue+0x321/0x5e0 [ 417.492336] ? rollback_registered+0x420/0x420 [ 417.496927] ? linkwatch_schedule_work+0x170/0x170 [ 417.501868] ? tun_show_owner+0x170/0x170 [ 417.506020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.511664] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 417.517050] ? __tun_detach+0x6ba/0x15c0 [ 417.521126] __tun_detach+0x11b8/0x15c0 [ 417.525108] ? __call_rcu.constprop.69+0x429/0xbc0 [ 417.530047] ? tun_attach+0x1770/0x1770 [ 417.534030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.539602] ? check_preemption_disabled+0x48/0x200 [ 417.544683] ? graph_lock+0x170/0x170 [ 417.548514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.554088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.559656] ? locks_remove_file+0x3c6/0x5c0 [ 417.564094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.569650] ? ima_file_free+0x132/0x650 [ 417.573737] ? __lock_is_held+0xb5/0x140 [ 417.577820] ? __tun_detach+0x15c0/0x15c0 [ 417.581991] ? __tun_detach+0x15c0/0x15c0 [ 417.586150] tun_chr_close+0xe3/0x180 [ 417.589959] __fput+0x385/0xa30 [ 417.593257] ? get_max_files+0x20/0x20 [ 417.597168] ? ___might_sleep+0x1ed/0x300 [ 417.601344] ? arch_local_save_flags+0x40/0x40 [ 417.605960] ____fput+0x15/0x20 [ 417.609257] task_work_run+0x1e8/0x2a0 [ 417.613157] ? task_work_cancel+0x240/0x240 [ 417.617489] ? switch_task_namespaces+0xb8/0xd0 [ 417.622343] do_exit+0x1ad7/0x2610 [ 417.625898] ? mm_update_next_owner+0x990/0x990 [ 417.630576] ? print_usage_bug+0xc0/0xc0 [ 417.634652] ? __lock_acquire+0x7ec/0x4ec0 [ 417.638889] ? find_held_lock+0x36/0x1c0 [ 417.642963] ? __lock_acquire+0x7ec/0x4ec0 [ 417.647477] ? mark_held_locks+0x130/0x130 [ 417.651717] ? lock_acquire+0x1ed/0x520 [ 417.655700] ? mark_held_locks+0x130/0x130 [ 417.659936] ? arch_local_save_flags+0x40/0x40 [ 417.664538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.670125] ? __mutex_lock+0x872/0x1710 [ 417.674192] ? __switch_to_asm+0x40/0x70 [ 417.678250] ? __switch_to_asm+0x34/0x70 [ 417.682312] ? pipe_wait+0x266/0x2c0 [ 417.686035] ? mutex_trylock+0x2b0/0x2b0 [ 417.690115] ? graph_lock+0x170/0x170 [ 417.693916] ? find_held_lock+0x36/0x1c0 [ 417.697981] ? memset+0x31/0x40 [ 417.701271] ? find_held_lock+0x36/0x1c0 [ 417.705355] ? get_signal+0x95b/0x1980 [ 417.709251] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.713751] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.718261] do_group_exit+0x177/0x440 [ 417.722164] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.727634] ? __ia32_sys_exit+0x50/0x50 [ 417.731731] get_signal+0x8b0/0x1980 [ 417.735471] ? ptrace_notify+0x130/0x130 [ 417.739542] ? finish_wait+0x430/0x430 [ 417.743440] ? graph_lock+0x170/0x170 [ 417.747255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.752791] ? pipe_read+0x702/0x940 [ 417.756509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.762058] do_signal+0x9c/0x21e0 [ 417.765607] ? __vfs_read+0x11f/0x9b0 [ 417.769435] ? vfs_copy_file_range+0xb90/0xb90 [ 417.774021] ? setup_sigcontext+0x7d0/0x7d0 [ 417.778365] ? exit_to_usermode_loop+0x8c/0x380 [ 417.783058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.788613] exit_to_usermode_loop+0x2e5/0x380 [ 417.793204] ? syscall_slow_exit_work+0x520/0x520 [ 417.798046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.803605] do_syscall_64+0x6be/0x820 [ 417.807503] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 417.812877] ? syscall_return_slowpath+0x5e0/0x5e0 [ 417.817809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.822658] ? trace_hardirqs_off+0x300/0x300 [ 417.827158] ? prepare_exit_to_usermode+0x291/0x3b0 [ 417.832213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.837071] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.842272] RIP: 0033:0x410e10 [ 417.845474] Code: Bad RIP value. [ 417.848834] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 417.856568] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 417.863859] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 417.871147] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 417.878424] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 417.885702] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 417.893007] warn_alloc_show_mem: 1 callbacks suppressed [ 417.893019] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 417.893021] Mem-Info: [ 417.893052] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 417.893052] active_file:19 inactive_file:16 isolated_file:0 [ 417.893052] unevictable:0 dirty:0 writeback:0 unstable:0 [ 417.893052] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 417.893052] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 417.893052] free:13785 free_pcp:397 free_cma:0 [ 417.898401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.905676] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 417.908073] Call Trace: [ 417.940865] Node 0 [ 417.950224] [ 417.977932] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 417.980509] dump_stack+0x1c4/0x2b4 [ 417.982715] lowmem_reserve[]: [ 417.984876] ? dump_stack_print_info.cold.2+0x52/0x52 [ 418.016612] 0 [ 418.020262] warn_alloc.cold.118+0xb7/0x1bd [ 418.023322] 2815 [ 418.028514] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.030292] 6318 [ 418.034614] ? lock_downgrade+0x900/0x900 [ 418.036651] 6318 [ 418.041492] ? trace_hardirqs_off+0xb8/0x300 [ 418.047666] ? trace_hardirqs_off+0xb8/0x300 [ 418.049702] Node 0 [ 418.054110] __alloc_pages_slowpath+0x2667/0x2d80 [ 418.058512] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 418.060749] ? warn_alloc+0x120/0x120 [ 418.065530] lowmem_reserve[]: 0 [ 418.092283] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.096055] 0 3503 [ 418.099345] ? warn_alloc+0x120/0x120 [ 418.104336] 3503 [ 418.106587] ? print_usage_bug+0xc0/0xc0 [ 418.112421] ? warn_alloc+0x120/0x120 [ 418.116465] Node 0 Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 418.120310] ? print_usage_bug+0xc0/0xc0 [ 418.120326] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 418.149459] lowmem_reserve[]: 0 [ 418.153548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.158699] 0 [ 418.161974] ? should_fail+0x22d/0xd01 [ 418.167482] 0 [ 418.169284] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.173140] 0 [ 418.174940] ? __lock_acquire+0x7ec/0x4ec0 [ 418.181808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.186020] Node 0 [ 418.191119] ? should_fail+0x22d/0xd01 [ 418.191122] DMA: 1*4kB [ 418.193368] ? mark_held_locks+0x130/0x130 [ 418.197225] (U) [ 418.199803] ? mark_held_locks+0x130/0x130 [ 418.204012] 0*8kB [ 418.205983] ? print_usage_bug+0xc0/0xc0 [ 418.210194] 0*16kB [ 418.212337] ? find_held_lock+0x36/0x1c0 [ 418.216374] 1*32kB [ 418.218613] ? graph_lock+0x170/0x170 [ 418.222662] (U) [ 418.224899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.228670] 2*64kB [ 418.230641] ? check_preemption_disabled+0x48/0x200 [ 418.236161] (U) [ 418.238408] ? check_preemption_disabled+0x48/0x200 [ 418.243408] 1*128kB [ 418.245403] ? __lock_is_held+0xb5/0x140 [ 418.250377] (U) [ 418.252706] __alloc_pages_nodemask+0xa80/0xde0 [ 418.256736] 1*256kB [ 418.258702] ? graph_lock+0x170/0x170 [ 418.263568] (U) 0*512kB [ 418.265917] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 418.269694] 1*1024kB [ 418.272359] ? graph_lock+0x170/0x170 [ 418.277352] (U) [ 418.279767] ? find_held_lock+0x36/0x1c0 [ 418.283536] 1*2048kB [ 418.285519] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.289550] (M) [ 418.291966] ? lock_downgrade+0x900/0x900 [ 418.296615] 3*4096kB [ 418.298603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.302717] (M) [ 418.305127] cache_grow_begin+0x91/0x8c0 [ 418.311160] = 15908kB [ 418.313138] ? do_raw_spin_unlock+0xa7/0x2f0 [ 418.317168] Node 0 [ 418.319593] fallback_alloc+0x203/0x2e0 [ 418.323964] DMA32: [ 418.326200] ____cache_alloc_node+0x1c7/0x1e0 [ 418.330145] 3*4kB [ 418.332379] kmem_cache_alloc_node+0xe3/0x730 [ 418.336849] (M) [ 418.338997] ? mark_held_locks+0xc7/0x130 [ 418.343470] 1*8kB [ 418.345454] __alloc_skb+0x119/0x770 [ 418.349575] (M) [ 418.351731] ? skb_scrub_packet+0x490/0x490 [ 418.355417] 3*16kB [ 418.357390] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 418.361687] (UM) [ 418.363933] ? queue_work_on+0x12c/0x1e0 [ 418.368496] 3*32kB [ 418.370577] ? switchdev_port_obj_del+0xdc/0x450 [ 418.374604] (UM) [ 418.376838] ? switchdev_trans_item_enqueue+0x260/0x260 [ 418.381578] 2*64kB [ 418.383642] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.388977] (UM) [ 418.391210] __br_mdb_notify+0x4ff/0x15d0 [ 418.396202] 5*128kB [ 418.398264] ? __br_mdb_add+0x800/0x800 [ 418.402378] (UM) [ 418.404697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.408650] 3*256kB [ 418.410708] ? check_preemption_disabled+0x48/0x200 [ 418.416219] (M) [ 418.418542] ? graph_lock+0x170/0x170 [ 418.423528] 4*512kB [ 418.425502] ? br_multicast_group_expired+0x96/0x610 [ 418.429271] (M) [ 418.431597] ? lock_downgrade+0x900/0x900 [ 418.436669] 3*1024kB (UM) [ 418.438654] br_mdb_notify+0x310/0x410 [ 418.442772] 3*2048kB [ 418.445613] ? br_mdb_dump+0x2530/0x2530 [ 418.449473] (M) [ 418.451877] ? kasan_check_write+0x14/0x20 [ 418.455914] 3*4096kB [ 418.457888] ? do_raw_spin_lock+0xc1/0x200 [ 418.462095] (M) [ 418.464504] br_multicast_group_expired+0x1bc/0x610 [ 418.468712] = 25252kB [ 418.470681] ? br_mdb_free+0x80/0x80 [ 418.475671] Node 0 [ 418.478087] call_timer_fn+0x272/0x920 [ 418.481771] Normal: [ 418.484004] ? br_mdb_free+0x80/0x80 [ 418.487873] 1016*4kB [ 418.490204] ? process_timeout+0x40/0x40 [ 418.493891] (UME) [ 418.496305] ? find_held_lock+0x36/0x1c0 [ 418.500342] 348*8kB [ 418.502494] ? __run_timers+0x7da/0xc70 [ 418.506520] (UME) [ 418.508841] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.512789] 167*16kB [ 418.514931] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.519401] (UME) [ 418.521809] ? br_mdb_free+0x80/0x80 [ 418.526279] 68*32kB [ 418.528424] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 418.532113] (UME) [ 418.534435] ? trace_hardirqs_on+0xbd/0x310 [ 418.538989] 21*64kB [ 418.541129] ? kasan_check_read+0x11/0x20 [ 418.545427] (M) [ 418.547750] ? __run_timers+0x7da/0xc70 [ 418.551871] 6*128kB [ 418.553842] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.557792] (UM) [ 418.560118] ? br_mdb_free+0x80/0x80 [ 418.565540] 1*256kB [ 418.567626] ? br_mdb_free+0x80/0x80 [ 418.571314] (U) [ 418.573633] __run_timers+0x7e5/0xc70 [ 418.577352] 0*512kB [ 418.579334] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 418.583101] 0*1024kB [ 418.585419] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.590762] 0*2048kB [ 418.593171] ? graph_lock+0x170/0x170 [ 418.598162] 0*4096kB [ 418.600573] ? enqueue_hrtimer+0x1a5/0x560 [ 418.604349] = 14064kB [ 418.606754] ? lock_release+0x970/0x970 [ 418.610977] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 418.613387] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 418.617342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 418.617351] 503 total pagecache pages [ 418.626224] ? find_held_lock+0x36/0x1c0 [ 418.631395] 0 pages in swap cache [ 418.639974] ? graph_lock+0x170/0x170 [ 418.643755] Swap cache stats: add 0, delete 0, find 0/0 [ 418.647812] ? pvclock_read_flags+0x160/0x160 [ 418.651241] Free swap = 0kB [ 418.655045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.660396] Total swap = 0kB [ 418.664899] ? check_preemption_disabled+0x48/0x200 [ 418.667893] 1965979 pages RAM [ 418.673431] ? __lock_is_held+0xb5/0x140 [ 418.676416] 0 pages HighMem/MovableOnly [ 418.681428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.684503] 343324 pages reserved [ 418.684512] 0 pages cma reserved [ 418.688586] ? check_preemption_disabled+0x48/0x200 [ 418.692629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.698066] run_timer_softirq+0x52/0xb0 [ 418.698081] ? rcu_read_lock_sched_held+0x108/0x120 [ 418.698098] __do_softirq+0x30b/0xad8 [ 418.698123] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 418.701628] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.704929] ? pvclock_read_flags+0x160/0x160 [ 418.709917] syz-executor2 cpuset= [ 418.716405] ? lapic_next_event+0x5a/0x90 [ 418.720443] syz2 [ 418.725467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.729244] mems_allowed=0 [ 418.734352] ? check_preemption_disabled+0x48/0x200 [ 418.772344] ? check_preemption_disabled+0x48/0x200 [ 418.777612] ? kvm_clock_read+0x18/0x30 [ 418.781598] ? kvm_sched_clock_read+0x9/0x20 [ 418.786012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.791549] ? check_preemption_disabled+0x48/0x200 [ 418.796604] irq_exit+0x17f/0x1c0 [ 418.800064] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.804908] ? smp_reschedule_interrupt+0x109/0x650 [ 418.809932] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.815828] ? interrupt_entry+0xb5/0xf0 [ 418.819895] ? trace_hardirqs_off_caller+0xbb/0x300 [ 418.824911] ? trace_hardirqs_off_caller+0xbb/0x300 [ 418.829933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.834776] ? trace_hardirqs_off+0x300/0x300 [ 418.839272] ? trace_hardirqs_off+0x300/0x300 [ 418.843786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.849326] ? check_preemption_disabled+0x48/0x200 [ 418.854370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.859924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.864789] apic_timer_interrupt+0xf/0x20 [ 418.869028] [ 418.871278] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 418.876226] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 418.895139] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 418.902857] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 418.910123] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 418.917393] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 418.924658] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 418.931925] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 418.939245] skb_clone+0x1bb/0x500 [ 418.942794] ? skb_split+0x11e0/0x11e0 [ 418.946691] ? preempt_notifier_register+0x200/0x200 [ 418.951793] ? __switch_to_asm+0x34/0x70 [ 418.955856] ? __switch_to_asm+0x34/0x70 [ 418.959916] ? __switch_to_asm+0x40/0x70 [ 418.963977] ? __switch_to_asm+0x34/0x70 [ 418.968035] ? __switch_to_asm+0x40/0x70 [ 418.972096] ? __switch_to_asm+0x40/0x70 [ 418.976162] ? __switch_to_asm+0x34/0x70 [ 418.980228] ? __switch_to_asm+0x34/0x70 [ 418.984287] ? __switch_to_asm+0x40/0x70 [ 418.988345] ? __switch_to_asm+0x34/0x70 [ 418.992426] bpf_clone_redirect+0xb9/0x490 [ 418.996686] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 419.001738] ? __sched_text_start+0x8/0x8 [ 419.005898] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 419.010687] ? find_held_lock+0x36/0x1c0 [ 419.014757] ? lock_acquire+0x1ed/0x520 [ 419.018734] ? bpf_test_run+0x32e/0x5a0 [ 419.022712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.028252] ? check_preemption_disabled+0x48/0x200 [ 419.033277] ? kasan_check_read+0x11/0x20 [ 419.037430] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.042717] ? rcu_bh_qs+0xc0/0xc0 [ 419.046261] ? preempt_schedule+0x4d/0x60 [ 419.050409] ? ___preempt_schedule+0x16/0x18 [ 419.054825] ? bpf_test_run+0x1c0/0x5a0 [ 419.058805] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 419.063656] ? netlink_diag_dump+0x2a0/0x2a0 [ 419.068072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.073611] ? bpf_test_init.isra.9+0x70/0x100 [ 419.078197] ? bpf_prog_test_run_skb+0x634/0xb40 [ 419.082967] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 419.087812] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 419.093345] ? fput+0x130/0x1a0 [ 419.096631] ? __bpf_prog_get+0x9b/0x290 [ 419.100701] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 419.105547] ? bpf_prog_test_run+0x130/0x1a0 [ 419.109982] ? __x64_sys_bpf+0x3d8/0x510 [ 419.114064] ? bpf_prog_get+0x20/0x20 [ 419.117892] ? do_syscall_64+0x1b9/0x820 [ 419.121963] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 419.127352] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.132287] ? trace_hardirqs_off+0x300/0x300 [ 419.136785] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 419.141805] ? recalc_sigpending_tsk+0x180/0x180 [ 419.146572] ? kasan_check_write+0x14/0x20 [ 419.150819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.155673] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.161074] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 419.161265] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.168278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.178747] syz-executor4 cpuset= [ 419.188091] Call Trace: [ 419.188094] syz4 mems_allowed=0 [ 419.191542] [ 419.199540] dump_stack+0x1c4/0x2b4 [ 419.203181] ? dump_stack_print_info.cold.2+0x52/0x52 [ 419.208386] warn_alloc.cold.118+0xb7/0x1bd [ 419.212715] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.217568] ? lock_downgrade+0x900/0x900 [ 419.221731] ? trace_hardirqs_off+0xb8/0x300 [ 419.226153] ? trace_hardirqs_off+0xb8/0x300 [ 419.230580] __alloc_pages_slowpath+0x2667/0x2d80 [ 419.235457] ? warn_alloc+0x120/0x120 [ 419.239268] ? warn_alloc+0x120/0x120 [ 419.243084] ? print_usage_bug+0xc0/0xc0 [ 419.247167] ? warn_alloc+0x120/0x120 [ 419.250988] ? print_usage_bug+0xc0/0xc0 [ 419.255064] ? __lock_acquire+0x7ec/0x4ec0 [ 419.259306] ? __lock_acquire+0x7ec/0x4ec0 [ 419.263550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.269107] ? should_fail+0x22d/0xd01 [ 419.273000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.278110] ? __lock_acquire+0x7ec/0x4ec0 [ 419.282353] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.287453] ? __lock_acquire+0x7ec/0x4ec0 [ 419.291690] ? should_fail+0x22d/0xd01 [ 419.295593] ? mark_held_locks+0x130/0x130 [ 419.299833] ? mark_held_locks+0x130/0x130 [ 419.304067] ? graph_lock+0x170/0x170 [ 419.307877] ? graph_lock+0x170/0x170 [ 419.311679] ? graph_lock+0x170/0x170 [ 419.315499] ? print_usage_bug+0xc0/0xc0 [ 419.319567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.325114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.330838] ? check_preemption_disabled+0x48/0x200 [ 419.335850] ? check_preemption_disabled+0x48/0x200 [ 419.340878] ? __lock_is_held+0xb5/0x140 [ 419.344950] __alloc_pages_nodemask+0xa80/0xde0 [ 419.349623] ? graph_lock+0x170/0x170 [ 419.353433] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 419.358470] ? graph_lock+0x170/0x170 [ 419.362294] ? find_held_lock+0x36/0x1c0 [ 419.366380] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.371075] ? lock_downgrade+0x900/0x900 [ 419.375258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.380818] cache_grow_begin+0x91/0x8c0 [ 419.384888] ? do_raw_spin_unlock+0xa7/0x2f0 [ 419.389306] fallback_alloc+0x203/0x2e0 [ 419.393290] ____cache_alloc_node+0x1c7/0x1e0 [ 419.397795] kmem_cache_alloc_node+0xe3/0x730 [ 419.402292] ? ipv6_get_ifaddr+0x42e/0x620 [ 419.406539] __alloc_skb+0x119/0x770 [ 419.410265] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.415547] ? skb_scrub_packet+0x490/0x490 [ 419.419880] ? lock_downgrade+0x900/0x900 [ 419.424038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.429585] ? refcount_sub_and_test_checked+0x203/0x310 [ 419.435044] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 419.440505] ? addrconf_rs_timer+0x6f0/0x6f0 [ 419.444929] ndisc_alloc_skb+0x144/0x340 [ 419.448996] ndisc_send_rs+0x331/0x6e0 [ 419.452895] addrconf_rs_timer+0x3c0/0x6f0 [ 419.457141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.461390] call_timer_fn+0x272/0x920 [ 419.465281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.469522] ? process_timeout+0x40/0x40 [ 419.473590] ? find_held_lock+0x36/0x1c0 [ 419.477669] ? mark_held_locks+0xc7/0x130 [ 419.481828] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.486328] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.490854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.495118] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 419.499725] ? trace_hardirqs_on+0xbd/0x310 [ 419.504055] ? kasan_check_read+0x11/0x20 [ 419.508213] ? __run_timers+0x7da/0xc70 [ 419.512191] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.517651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.521891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.526138] __run_timers+0x7e5/0xc70 [ 419.529958] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 419.535330] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.540347] ? graph_lock+0x170/0x170 [ 419.544155] ? print_usage_bug+0xc0/0xc0 [ 419.548214] ? lock_release+0x970/0x970 [ 419.552192] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 419.557391] ? find_held_lock+0x36/0x1c0 [ 419.561461] ? graph_lock+0x170/0x170 [ 419.565272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.570808] ? check_preemption_disabled+0x48/0x200 [ 419.575838] ? __lock_is_held+0xb5/0x140 [ 419.579911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.585449] ? check_preemption_disabled+0x48/0x200 [ 419.590476] run_timer_softirq+0x52/0xb0 [ 419.594536] ? rcu_read_lock_sched_held+0x108/0x120 [ 419.599596] __do_softirq+0x30b/0xad8 [ 419.603413] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 419.608524] ? pvclock_read_flags+0x160/0x160 [ 419.613025] ? lapic_next_event+0x5a/0x90 [ 419.617178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.622715] ? check_preemption_disabled+0x48/0x200 [ 419.627732] ? check_preemption_disabled+0x48/0x200 [ 419.632756] ? kvm_clock_read+0x18/0x30 [ 419.636731] ? kvm_sched_clock_read+0x9/0x20 [ 419.641144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.647120] ? check_preemption_disabled+0x48/0x200 [ 419.652155] irq_exit+0x17f/0x1c0 [ 419.655614] smp_apic_timer_interrupt+0x1cb/0x760 [ 419.660462] ? smp_reschedule_interrupt+0x109/0x650 [ 419.665482] ? smp_call_function_single_interrupt+0x650/0x650 [ 419.671367] ? interrupt_entry+0xb5/0xf0 [ 419.675430] ? trace_hardirqs_off_caller+0xbb/0x300 [ 419.680447] ? trace_hardirqs_off_caller+0xbb/0x300 [ 419.685488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.690336] ? trace_hardirqs_off+0x300/0x300 [ 419.694832] ? trace_hardirqs_off+0x300/0x300 [ 419.699332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.704868] ? check_preemption_disabled+0x48/0x200 [ 419.709884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.715429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.720284] apic_timer_interrupt+0xf/0x20 [ 419.724513] [ 419.726753] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 419.732030] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 419.750944] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 419.758682] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 419.765970] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 419.773258] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 419.780532] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 419.787812] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 419.795116] ? arch_local_irq_restore+0x45/0x52 [ 419.799799] dump_stack+0x26a/0x2b4 [ 419.803450] ? dump_stack_print_info.cold.2+0x52/0x52 [ 419.808655] ? mark_held_locks+0x130/0x130 [ 419.812900] ? mark_held_locks+0x130/0x130 [ 419.817143] dump_header+0x27b/0xf72 [ 419.820872] ? pagefault_out_of_memory+0x197/0x197 [ 419.825808] ? mark_held_locks+0x130/0x130 [ 419.830043] ? __lock_acquire+0x7ec/0x4ec0 [ 419.834281] ? print_usage_bug+0xc0/0xc0 [ 419.838349] ? graph_lock+0x170/0x170 [ 419.842151] ? graph_lock+0x170/0x170 [ 419.845953] ? print_usage_bug+0xc0/0xc0 [ 419.850010] ? print_usage_bug+0xc0/0xc0 [ 419.854099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.859644] ? find_held_lock+0x36/0x1c0 [ 419.863717] ? mark_held_locks+0xc7/0x130 [ 419.867872] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.872978] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.878088] ? lockdep_hardirqs_on+0x421/0x5c0 [ 419.882677] ? trace_hardirqs_on+0xbd/0x310 [ 419.887000] ? kasan_check_read+0x11/0x20 [ 419.891150] ? ___ratelimit+0x36f/0x655 [ 419.895130] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.900594] ? trace_hardirqs_on+0x310/0x310 [ 419.905011] ? lock_downgrade+0x900/0x900 [ 419.909172] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.914285] ? ___ratelimit+0xaa/0x655 [ 419.918185] ? idr_get_free+0xec0/0xec0 [ 419.922170] ? kasan_check_write+0x14/0x20 [ 419.926422] ? do_raw_spin_lock+0xc1/0x200 [ 419.930681] oom_kill_process.cold.27+0x10/0x903 [ 419.935456] ? graph_lock+0x170/0x170 [ 419.939275] ? _raw_spin_unlock+0x2c/0x50 [ 419.943427] ? oom_badness+0xe6/0xaa0 [ 419.947241] ? oom_evaluate_task+0x540/0x540 [ 419.951660] ? find_held_lock+0x36/0x1c0 [ 419.955734] ? out_of_memory+0x974/0x14c0 [ 419.959887] ? lock_downgrade+0x900/0x900 [ 419.964033] ? check_preemption_disabled+0x48/0x200 [ 419.969060] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 419.974859] ? kasan_check_read+0x11/0x20 [ 419.979030] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.984312] ? rcu_bh_qs+0xc0/0xc0 [ 419.987861] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.992880] ? oom_evaluate_task+0x302/0x540 [ 419.997298] out_of_memory+0xa86/0x14c0 [ 420.001286] ? oom_killer_disable+0x3a0/0x3a0 [ 420.005782] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 420.010712] ? __mutex_add_waiter+0x2a0/0x2a0 [ 420.015222] __alloc_pages_slowpath+0x2318/0x2d80 [ 420.020105] ? warn_alloc+0x120/0x120 [ 420.023910] ? lock_downgrade+0x900/0x900 [ 420.028066] ? print_usage_bug+0xc0/0xc0 [ 420.032135] ? warn_alloc+0x120/0x120 [ 420.035936] ? print_usage_bug+0xc0/0xc0 [ 420.039999] ? debug_check_no_obj_freed+0x305/0x58d [ 420.045021] ? print_usage_bug+0xc0/0xc0 [ 420.049094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.054632] ? should_fail+0x22d/0xd01 [ 420.058524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.063631] ? __lock_acquire+0x7ec/0x4ec0 [ 420.067893] ? __lock_is_held+0xb5/0x140 [ 420.071963] ? graph_lock+0x170/0x170 [ 420.075769] ? ___might_sleep+0x1ed/0x300 [ 420.079918] ? lock_release+0x970/0x970 [ 420.083897] ? arch_local_save_flags+0x40/0x40 [ 420.088504] ? __might_sleep+0x95/0x190 [ 420.092485] __alloc_pages_nodemask+0xa80/0xde0 [ 420.097160] ? graph_lock+0x170/0x170 [ 420.100966] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 420.105981] ? graph_lock+0x170/0x170 [ 420.109792] ? mark_held_locks+0xc7/0x130 [ 420.113941] ? find_held_lock+0x36/0x1c0 [ 420.118011] ? cache_grow_begin+0x5a4/0x8c0 [ 420.122334] ? lockdep_hardirqs_on+0x421/0x5c0 [ 420.126917] ? trace_hardirqs_on+0xbd/0x310 [ 420.131242] ? fallback_alloc+0x203/0x2e0 [ 420.135393] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.140850] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 420.146399] cache_grow_begin+0x91/0x8c0 [ 420.150464] ? do_raw_spin_unlock+0xa7/0x2f0 [ 420.154886] fallback_alloc+0x203/0x2e0 [ 420.158867] ____cache_alloc_node+0x1c7/0x1e0 [ 420.163370] kmem_cache_alloc_node_trace+0xe7/0x740 [ 420.168400] __kmalloc_node_track_caller+0x33/0x70 [ 420.173358] __kmalloc_reserve.isra.39+0x41/0xe0 [ 420.178124] __alloc_skb+0x155/0x770 [ 420.181845] ? skb_scrub_packet+0x490/0x490 [ 420.186172] ? if_nlmsg_size+0x5d1/0xbb0 [ 420.190712] ? nla_put_ifalias+0x170/0x170 [ 420.194960] ? softnet_seq_show+0x470/0x470 [ 420.199283] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 420.204303] ? netif_tx_stop_all_queues+0xd9/0x110 [ 420.209238] rtmsg_ifinfo_build_skb+0x74/0x190 [ 420.213830] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 420.218683] rtmsg_ifinfo+0x8c/0xa0 [ 420.222318] dev_close_many+0x3be/0x860 [ 420.226305] ? unlist_netdevice+0x670/0x670 [ 420.230634] ? find_held_lock+0x36/0x1c0 [ 420.234705] ? __queue_work+0x6be/0x1440 [ 420.238767] ? lock_downgrade+0x900/0x900 [ 420.242925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.248468] ? rtnl_is_locked+0xb5/0xf0 [ 420.252448] ? rtnl_trylock+0x20/0x20 [ 420.256249] ? do_raw_spin_unlock+0xa7/0x2f0 [ 420.260660] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 420.265251] rollback_registered_many+0x56e/0x1240 [ 420.270188] ? generic_xdp_install+0x4c0/0x4c0 [ 420.274776] ? max_active_store+0x170/0x170 [ 420.279104] ? graph_lock+0x170/0x170 [ 420.282907] ? print_usage_bug+0xc0/0xc0 [ 420.286968] ? print_usage_bug+0xc0/0xc0 [ 420.291027] ? kfree_skbmem+0x154/0x230 [ 420.295002] ? graph_lock+0x170/0x170 [ 420.298802] ? print_usage_bug+0xc0/0xc0 [ 420.302865] ? find_held_lock+0x36/0x1c0 [ 420.306936] ? mark_held_locks+0xc7/0x130 [ 420.311094] rollback_registered+0x1e9/0x420 [ 420.315502] ? lockdep_hardirqs_on+0x351/0x5c0 [ 420.320093] ? rollback_registered_many+0x1240/0x1240 [ 420.325287] ? trace_hardirqs_on+0xbd/0x310 [ 420.329612] ? linkwatch_schedule_work+0x150/0x170 [ 420.334543] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.340004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.345538] ? rtnl_is_locked+0xb5/0xf0 [ 420.349521] ? rtnl_trylock+0x20/0x20 [ 420.353323] ? queue_delayed_work_on+0x130/0x1f0 [ 420.358092] unregister_netdevice_queue+0x321/0x5e0 [ 420.363114] ? rollback_registered+0x420/0x420 [ 420.367695] ? linkwatch_schedule_work+0x170/0x170 [ 420.372626] ? tun_show_owner+0x170/0x170 [ 420.376778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.382318] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 420.387682] ? __tun_detach+0x6ba/0x15c0 [ 420.391752] __tun_detach+0x11b8/0x15c0 [ 420.395729] ? __call_rcu.constprop.69+0x429/0xbc0 [ 420.400668] ? tun_attach+0x1770/0x1770 [ 420.404645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.410181] ? check_preemption_disabled+0x48/0x200 [ 420.415211] ? graph_lock+0x170/0x170 [ 420.419019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.424568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.430116] ? locks_remove_file+0x3c6/0x5c0 [ 420.434527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.440079] ? ima_file_free+0x132/0x650 [ 420.444162] ? __lock_is_held+0xb5/0x140 [ 420.448241] ? __tun_detach+0x15c0/0x15c0 [ 420.452410] ? __tun_detach+0x15c0/0x15c0 [ 420.456574] tun_chr_close+0xe3/0x180 [ 420.460380] __fput+0x385/0xa30 [ 420.463668] ? get_max_files+0x20/0x20 [ 420.467568] ? ___might_sleep+0x1ed/0x300 [ 420.471724] ? arch_local_save_flags+0x40/0x40 [ 420.476314] ____fput+0x15/0x20 [ 420.479602] task_work_run+0x1e8/0x2a0 [ 420.483497] ? task_work_cancel+0x240/0x240 [ 420.487829] ? switch_task_namespaces+0xb8/0xd0 [ 420.492504] do_exit+0x1ad7/0x2610 [ 420.496054] ? mm_update_next_owner+0x990/0x990 [ 420.500727] ? print_usage_bug+0xc0/0xc0 [ 420.504795] ? __lock_acquire+0x7ec/0x4ec0 [ 420.509030] ? find_held_lock+0x36/0x1c0 [ 420.513107] ? __lock_acquire+0x7ec/0x4ec0 [ 420.517341] ? mark_held_locks+0x130/0x130 [ 420.521589] ? lock_acquire+0x1ed/0x520 [ 420.525587] ? mark_held_locks+0x130/0x130 [ 420.529827] ? arch_local_save_flags+0x40/0x40 [ 420.534408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.539967] ? __mutex_lock+0x872/0x1710 [ 420.544027] ? __switch_to_asm+0x40/0x70 [ 420.548095] ? __switch_to_asm+0x34/0x70 [ 420.552160] ? pipe_wait+0x266/0x2c0 [ 420.555882] ? mutex_trylock+0x2b0/0x2b0 [ 420.559956] ? graph_lock+0x170/0x170 [ 420.563758] ? find_held_lock+0x36/0x1c0 [ 420.567833] ? memset+0x31/0x40 [ 420.571125] ? find_held_lock+0x36/0x1c0 [ 420.575200] ? get_signal+0x95b/0x1980 [ 420.579102] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.583595] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.588105] do_group_exit+0x177/0x440 [ 420.591998] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.597450] ? __ia32_sys_exit+0x50/0x50 [ 420.601523] get_signal+0x8b0/0x1980 [ 420.605253] ? ptrace_notify+0x130/0x130 [ 420.609318] ? finish_wait+0x430/0x430 [ 420.613206] ? graph_lock+0x170/0x170 [ 420.617016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.622555] ? pipe_read+0x702/0x940 [ 420.626279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.631827] do_signal+0x9c/0x21e0 [ 420.635371] ? __vfs_read+0x11f/0x9b0 [ 420.639179] ? vfs_copy_file_range+0xb90/0xb90 [ 420.643763] ? setup_sigcontext+0x7d0/0x7d0 [ 420.648110] ? exit_to_usermode_loop+0x8c/0x380 [ 420.652798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.658342] exit_to_usermode_loop+0x2e5/0x380 [ 420.662936] ? syscall_slow_exit_work+0x520/0x520 [ 420.667781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.673345] do_syscall_64+0x6be/0x820 [ 420.677230] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 420.682600] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.687533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.692388] ? trace_hardirqs_off+0x300/0x300 [ 420.696890] ? prepare_exit_to_usermode+0x291/0x3b0 [ 420.701913] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.706766] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.711954] RIP: 0033:0x410e10 [ 420.715149] Code: Bad RIP value. [ 420.718508] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 420.726221] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 420.733489] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 420.740755] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 420.748021] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 420.755287] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 420.762596] warn_alloc_show_mem: 1 callbacks suppressed [ 420.762608] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 420.762610] Mem-Info: [ 420.762639] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 420.762639] active_file:19 inactive_file:16 isolated_file:0 [ 420.762639] unevictable:0 dirty:0 writeback:0 unstable:0 [ 420.762639] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 420.762639] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 420.762639] free:13785 free_pcp:397 free_cma:0 [ 420.768002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.775791] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 420.778205] Call Trace: [ 420.811001] Node 0 [ 420.820359] [ 420.847955] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 420.850519] dump_stack+0x1c4/0x2b4 [ 420.852723] lowmem_reserve[]: [ 420.854869] ? dump_stack_print_info.cold.2+0x52/0x52 [ 420.880345] 0 [ 420.883979] warn_alloc.cold.118+0xb7/0x1bd [ 420.887048] 2815 [ 420.892232] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.894008] 6318 [ 420.898323] ? lock_downgrade+0x900/0x900 [ 420.900359] 6318 [ 420.905202] ? trace_hardirqs_off+0xb8/0x300 [ 420.907268] Node 0 [ 420.911411] ? trace_hardirqs_off+0xb8/0x300 [ 420.913470] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 420.917867] __alloc_pages_slowpath+0x2667/0x2d80 [ 420.920079] lowmem_reserve[]: [ 420.924525] ? warn_alloc+0x120/0x120 [ 420.951200] 0 [ 420.956043] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.959115] 0 3503 [ 420.962918] ? warn_alloc+0x120/0x120 [ 420.964695] 3503 [ 420.969707] ? print_usage_bug+0xc0/0xc0 [ 420.975711] ? warn_alloc+0x120/0x120 [ 420.977752] Node 0 [ 420.981807] ? print_usage_bug+0xc0/0xc0 [ 420.985613] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 420.985621] lowmem_reserve[]: [ 420.987865] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.991901] 0 [ 421.020459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.023543] 0 [ 421.028752] ? should_fail+0x22d/0xd01 [ 421.030527] 0 [ 421.036069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.037837] 0 [ 421.041730] ? __lock_acquire+0x7ec/0x4ec0 [ 421.043506] Node 0 [ 421.048609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.050385] DMA: [ 421.054615] ? should_fail+0x22d/0xd01 [ 421.056826] 1*4kB [ 421.061930] ? mark_held_locks+0x130/0x130 [ 421.063959] (U) [ 421.067837] ? mark_held_locks+0x130/0x130 [ 421.069963] 0*8kB [ 421.074204] ? print_usage_bug+0xc0/0xc0 [ 421.076156] 0*16kB [ 421.080383] ? find_held_lock+0x36/0x1c0 [ 421.082524] 1*32kB [ 421.086589] ? graph_lock+0x170/0x170 [ 421.088800] (U) [ 421.092860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.095072] 2*64kB [ 421.098866] ? check_preemption_disabled+0x48/0x200 [ 421.100821] (U) [ 421.106347] ? check_preemption_disabled+0x48/0x200 [ 421.106373] ? __lock_is_held+0xb5/0x140 [ 421.108598] 1*128kB [ 421.113619] __alloc_pages_nodemask+0xa80/0xde0 [ 421.115576] (U) [ 421.120607] ? graph_lock+0x170/0x170 [ 421.124644] 1*256kB [ 421.126972] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 421.131611] (U) [ 421.133594] ? graph_lock+0x170/0x170 [ 421.137367] 0*512kB [ 421.139689] ? find_held_lock+0x36/0x1c0 [ 421.144671] 1*1024kB [ 421.146650] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.150420] (U) [ 421.152750] ? lock_downgrade+0x900/0x900 [ 421.156790] 1*2048kB [ 421.159201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.163840] (M) [ 421.165816] cache_grow_begin+0x91/0x8c0 [ 421.169936] 3*4096kB [ 421.172363] ? do_raw_spin_unlock+0xa7/0x2f0 [ 421.177866] (M) = 15908kB [ 421.179854] fallback_alloc+0x203/0x2e0 [ 421.183889] Node 0 [ 421.186301] ____cache_alloc_node+0x1c7/0x1e0 [ 421.190679] DMA32: [ 421.193433] kmem_cache_alloc_node+0xe3/0x730 [ 421.197380] 3*4kB [ 421.199614] ? mark_held_locks+0xc7/0x130 [ 421.204088] (M) [ 421.206322] __alloc_skb+0x119/0x770 [ 421.210788] 1*8kB [ 421.212932] ? skb_scrub_packet+0x490/0x490 [ 421.217051] (M) [ 421.219022] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 421.222708] 3*16kB [ 421.224855] ? queue_work_on+0x12c/0x1e0 [ 421.229146] (UM) [ 421.231123] ? switchdev_port_obj_del+0xdc/0x450 [ 421.235677] 3*32kB [ 421.237913] ? switchdev_trans_item_enqueue+0x260/0x260 [ 421.241979] (UM) [ 421.244052] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.248774] 2*64kB (UM) [ 421.251038] __br_mdb_notify+0x4ff/0x15d0 [ 421.256471] 5*128kB [ 421.258549] ? __br_mdb_add+0x800/0x800 [ 421.263528] (UM) [ 421.266204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.270325] 3*256kB [ 421.272645] ? check_preemption_disabled+0x48/0x200 [ 421.276586] (M) 4*512kB [ 421.278659] ? graph_lock+0x170/0x170 [ 421.284159] (M) [ 421.286485] ? br_multicast_group_expired+0x96/0x610 [ 421.291469] 3*1024kB [ 421.294132] ? lock_downgrade+0x900/0x900 [ 421.297907] (UM) [ 421.299882] br_mdb_notify+0x310/0x410 [ 421.304951] 3*2048kB (M) [ 421.307365] ? br_mdb_dump+0x2530/0x2530 [ 421.311487] 3*4096kB [ 421.313544] ? kasan_check_write+0x14/0x20 [ 421.317406] (M) [ 421.320162] ? do_raw_spin_lock+0xc1/0x200 [ 421.324200] = 25252kB [ 421.326610] br_multicast_group_expired+0x1bc/0x610 [ 421.330815] Node 0 [ 421.332803] ? br_mdb_free+0x80/0x80 [ 421.337014] Normal: [ 421.339426] call_timer_fn+0x272/0x920 [ 421.344406] 1016*4kB [ 421.346652] ? br_mdb_free+0x80/0x80 [ 421.350342] (UME) [ 421.352664] ? process_timeout+0x40/0x40 [ 421.356524] 348*8kB [ 421.358928] ? find_held_lock+0x36/0x1c0 [ 421.362615] (UME) [ 421.364766] ? __run_timers+0x7da/0xc70 [ 421.368799] 167*16kB [ 421.371133] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.375183] (UME) [ 421.377329] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.381281] 68*32kB [ 421.383680] ? br_mdb_free+0x80/0x80 [ 421.388148] (UME) [ 421.390291] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 421.394758] 21*64kB [ 421.397079] ? trace_hardirqs_on+0xbd/0x310 [ 421.400772] (M) [ 421.402919] ? kasan_check_read+0x11/0x20 [ 421.407476] 6*128kB [ 421.409799] ? __run_timers+0x7da/0xc70 [ 421.414096] (UM) [ 421.416071] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.420196] 1*256kB [ 421.422515] ? br_mdb_free+0x80/0x80 [ 421.426466] (U) [ 421.428521] ? br_mdb_free+0x80/0x80 [ 421.433945] 0*512kB [ 421.436264] __run_timers+0x7e5/0xc70 [ 421.439951] 0*1024kB [ 421.441931] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 421.445609] 0*2048kB [ 421.447929] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.451708] 0*4096kB [ 421.454116] ? graph_lock+0x170/0x170 [ 421.459454] = 14064kB [ 421.461859] ? enqueue_hrtimer+0x1a5/0x560 [ 421.466859] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 421.469256] ? lock_release+0x970/0x970 [ 421.473035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 421.475431] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.479642] 503 total pagecache pages [ 421.488472] ? find_held_lock+0x36/0x1c0 [ 421.492430] 0 pages in swap cache [ 421.500989] ? graph_lock+0x170/0x170 [ 421.506171] Swap cache stats: add 0, delete 0, find 0/0 [ 421.509963] ? pvclock_read_flags+0x160/0x160 [ 421.513999] Free swap = 0kB [ 421.517447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.521223] Total swap = 0kB [ 421.526595] ? check_preemption_disabled+0x48/0x200 [ 421.531058] 1965979 pages RAM [ 421.534076] ? __lock_is_held+0xb5/0x140 [ 421.539587] 0 pages HighMem/MovableOnly [ 421.539596] 343324 pages reserved [ 421.542616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.547606] 0 pages cma reserved [ 421.550702] ? check_preemption_disabled+0x48/0x200 [ 421.554819] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 421.558713] run_timer_softirq+0x52/0xb0 [ 421.562256] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.567677] ? rcu_read_lock_sched_held+0x108/0x120 [ 421.571021] syz-executor2 cpuset= [ 421.576034] __do_softirq+0x30b/0xad8 [ 421.582500] syz2 [ 421.586581] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 421.597032] mems_allowed=0 [ 421.602042] ? pvclock_read_flags+0x160/0x160 [ 421.623697] ? lapic_next_event+0x5a/0x90 [ 421.627848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.633388] ? check_preemption_disabled+0x48/0x200 [ 421.638403] ? check_preemption_disabled+0x48/0x200 [ 421.643910] ? kvm_clock_read+0x18/0x30 [ 421.647904] ? kvm_sched_clock_read+0x9/0x20 [ 421.652316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.657854] ? check_preemption_disabled+0x48/0x200 [ 421.662888] irq_exit+0x17f/0x1c0 [ 421.666347] smp_apic_timer_interrupt+0x1cb/0x760 [ 421.671190] ? smp_reschedule_interrupt+0x109/0x650 [ 421.676212] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.682098] ? interrupt_entry+0xb5/0xf0 [ 421.686161] ? trace_hardirqs_off_caller+0xbb/0x300 [ 421.691175] ? trace_hardirqs_off_caller+0xbb/0x300 [ 421.696197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.701044] ? trace_hardirqs_off+0x300/0x300 [ 421.705537] ? trace_hardirqs_off+0x300/0x300 [ 421.710042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.715605] ? check_preemption_disabled+0x48/0x200 [ 421.720631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.726180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.731035] apic_timer_interrupt+0xf/0x20 [ 421.735268] [ 421.737513] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 421.742450] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 421.761347] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 421.769056] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 421.776324] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 421.783599] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 421.790869] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 421.798151] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 421.805473] skb_clone+0x1bb/0x500 [ 421.809017] ? skb_split+0x11e0/0x11e0 [ 421.812914] ? preempt_notifier_register+0x200/0x200 [ 421.818020] ? __switch_to_asm+0x34/0x70 [ 421.822083] ? __switch_to_asm+0x34/0x70 [ 421.826145] ? __switch_to_asm+0x40/0x70 [ 421.830221] ? __switch_to_asm+0x34/0x70 [ 421.834280] ? __switch_to_asm+0x40/0x70 [ 421.838342] ? __switch_to_asm+0x40/0x70 [ 421.842402] ? __switch_to_asm+0x34/0x70 [ 421.846461] ? __switch_to_asm+0x34/0x70 [ 421.850518] ? __switch_to_asm+0x40/0x70 [ 421.854589] ? __switch_to_asm+0x34/0x70 [ 421.858662] bpf_clone_redirect+0xb9/0x490 [ 421.862906] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 421.867926] ? __sched_text_start+0x8/0x8 [ 421.872074] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.876843] ? find_held_lock+0x36/0x1c0 [ 421.880932] ? lock_acquire+0x1ed/0x520 [ 421.884906] ? bpf_test_run+0x32e/0x5a0 [ 421.888881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.894416] ? check_preemption_disabled+0x48/0x200 [ 421.899435] ? kasan_check_read+0x11/0x20 [ 421.903599] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.908881] ? rcu_bh_qs+0xc0/0xc0 [ 421.912424] ? preempt_schedule+0x4d/0x60 [ 421.916590] ? ___preempt_schedule+0x16/0x18 [ 421.921010] ? bpf_test_run+0x1c0/0x5a0 [ 421.924991] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 421.929840] ? netlink_diag_dump+0x2a0/0x2a0 [ 421.934255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.939793] ? bpf_test_init.isra.9+0x70/0x100 [ 421.944382] ? bpf_prog_test_run_skb+0x634/0xb40 [ 421.949146] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 421.953988] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 421.959524] ? fput+0x130/0x1a0 [ 421.962807] ? __bpf_prog_get+0x9b/0x290 [ 421.966890] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 421.971737] ? bpf_prog_test_run+0x130/0x1a0 [ 421.976155] ? __x64_sys_bpf+0x3d8/0x510 [ 421.980223] ? bpf_prog_get+0x20/0x20 [ 421.984055] ? do_syscall_64+0x1b9/0x820 [ 421.988123] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 421.993500] ? syscall_return_slowpath+0x5e0/0x5e0 [ 421.998435] ? trace_hardirqs_off+0x300/0x300 [ 422.002935] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 422.007952] ? recalc_sigpending_tsk+0x180/0x180 [ 422.012713] ? kasan_check_write+0x14/0x20 [ 422.016954] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.021808] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.027194] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 422.027388] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.034388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.034397] Call Trace: [ 422.044870] syz-executor4 cpuset= [ 422.054214] [ 422.056784] syz4 [ 422.060231] dump_stack+0x1c4/0x2b4 [ 422.062360] mems_allowed=0 [ 422.064326] ? dump_stack_print_info.cold.2+0x52/0x52 [ 422.076043] warn_alloc.cold.118+0xb7/0x1bd [ 422.080370] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.085216] ? lock_downgrade+0x900/0x900 [ 422.089371] ? trace_hardirqs_off+0xb8/0x300 [ 422.093787] ? trace_hardirqs_off+0xb8/0x300 [ 422.098214] __alloc_pages_slowpath+0x2667/0x2d80 [ 422.103108] ? warn_alloc+0x120/0x120 [ 422.106927] ? warn_alloc+0x120/0x120 [ 422.110741] ? print_usage_bug+0xc0/0xc0 [ 422.114809] ? warn_alloc+0x120/0x120 [ 422.118621] ? print_usage_bug+0xc0/0xc0 [ 422.122689] ? kasan_check_read+0x11/0x20 [ 422.126841] ? print_usage_bug+0xc0/0xc0 [ 422.131188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.136732] ? should_fail+0x22d/0xd01 [ 422.140624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.145729] ? __lock_acquire+0x7ec/0x4ec0 [ 422.149968] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.155071] ? should_fail+0x22d/0xd01 [ 422.158962] ? print_usage_bug+0xc0/0xc0 [ 422.163035] ? mark_held_locks+0x130/0x130 [ 422.167278] ? mark_held_locks+0x130/0x130 [ 422.171510] ? print_usage_bug+0xc0/0xc0 [ 422.175584] ? find_held_lock+0x36/0x1c0 [ 422.179649] ? graph_lock+0x170/0x170 [ 422.183541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.189090] ? check_preemption_disabled+0x48/0x200 [ 422.194111] ? check_preemption_disabled+0x48/0x200 [ 422.199137] ? __lock_is_held+0xb5/0x140 [ 422.203209] __alloc_pages_nodemask+0xa80/0xde0 [ 422.207882] ? graph_lock+0x170/0x170 [ 422.211692] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 422.216706] ? graph_lock+0x170/0x170 [ 422.220522] ? find_held_lock+0x36/0x1c0 [ 422.224599] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.229273] ? lock_downgrade+0x900/0x900 [ 422.233428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.238969] cache_grow_begin+0x91/0x8c0 [ 422.243032] ? do_raw_spin_unlock+0xa7/0x2f0 [ 422.247449] fallback_alloc+0x203/0x2e0 [ 422.251431] ____cache_alloc_node+0x1c7/0x1e0 [ 422.255933] kmem_cache_alloc_node+0xe3/0x730 [ 422.260427] ? mark_held_locks+0xc7/0x130 [ 422.264594] __alloc_skb+0x119/0x770 [ 422.268315] ? skb_scrub_packet+0x490/0x490 [ 422.272642] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 422.277233] ? queue_work_on+0x12c/0x1e0 [ 422.281305] ? switchdev_port_obj_del+0xdc/0x450 [ 422.286064] ? switchdev_trans_item_enqueue+0x260/0x260 [ 422.291432] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.296534] ? mod_timer+0x647/0x1440 [ 422.300343] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.305366] __br_mdb_notify+0x4ff/0x15d0 [ 422.309526] ? __br_mdb_add+0x800/0x800 [ 422.313516] ? graph_lock+0x170/0x170 [ 422.317328] ? br_multicast_group_expired+0x96/0x610 [ 422.322443] br_mdb_notify+0x310/0x410 [ 422.326332] ? br_mdb_dump+0x2530/0x2530 [ 422.330398] ? kasan_check_write+0x14/0x20 [ 422.334632] ? do_raw_spin_lock+0xc1/0x200 [ 422.338874] br_multicast_group_expired+0x1bc/0x610 [ 422.343894] ? br_mdb_free+0x80/0x80 [ 422.347624] call_timer_fn+0x272/0x920 [ 422.351512] ? br_mdb_free+0x80/0x80 [ 422.355230] ? process_timeout+0x40/0x40 [ 422.359289] ? find_held_lock+0x36/0x1c0 [ 422.363360] ? mark_held_locks+0xc7/0x130 [ 422.367510] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.372003] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.376498] ? br_mdb_free+0x80/0x80 [ 422.380210] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 422.384794] ? trace_hardirqs_on+0xbd/0x310 [ 422.389118] ? kasan_check_read+0x11/0x20 [ 422.393268] ? __run_timers+0x7da/0xc70 [ 422.397246] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.402707] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.406945] ? br_mdb_free+0x80/0x80 [ 422.410658] __run_timers+0x7e5/0xc70 [ 422.414473] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 422.419860] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.424878] ? graph_lock+0x170/0x170 [ 422.428702] ? print_usage_bug+0xc0/0xc0 [ 422.432761] ? lock_release+0x970/0x970 [ 422.436736] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.441943] ? find_held_lock+0x36/0x1c0 [ 422.446012] ? graph_lock+0x170/0x170 [ 422.449819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.455359] ? check_preemption_disabled+0x48/0x200 [ 422.460386] ? __lock_is_held+0xb5/0x140 [ 422.464450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.469987] ? check_preemption_disabled+0x48/0x200 [ 422.475012] run_timer_softirq+0x52/0xb0 [ 422.479074] ? rcu_read_lock_sched_held+0x108/0x120 [ 422.484104] __do_softirq+0x30b/0xad8 [ 422.487920] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 422.493028] ? pvclock_read_flags+0x160/0x160 [ 422.497527] ? lapic_next_event+0x5a/0x90 [ 422.501685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.507221] ? check_preemption_disabled+0x48/0x200 [ 422.512233] ? check_preemption_disabled+0x48/0x200 [ 422.517259] ? kvm_clock_read+0x18/0x30 [ 422.521236] ? kvm_sched_clock_read+0x9/0x20 [ 422.525648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.531185] ? check_preemption_disabled+0x48/0x200 [ 422.536219] irq_exit+0x17f/0x1c0 [ 422.539684] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.544530] ? smp_reschedule_interrupt+0x109/0x650 [ 422.549569] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.555459] ? interrupt_entry+0xb5/0xf0 [ 422.559522] ? trace_hardirqs_off_caller+0xbb/0x300 [ 422.564540] ? trace_hardirqs_off_caller+0xbb/0x300 [ 422.569574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.574418] ? trace_hardirqs_off+0x300/0x300 [ 422.578911] ? trace_hardirqs_off+0x300/0x300 [ 422.583407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.588944] ? check_preemption_disabled+0x48/0x200 [ 422.593963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.599508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.604366] apic_timer_interrupt+0xf/0x20 [ 422.608597] [ 422.610840] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 422.616116] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 422.635017] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 422.642733] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 422.650022] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 422.657306] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 422.664587] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 422.671861] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 422.679158] ? arch_local_irq_restore+0x45/0x52 [ 422.683842] dump_stack+0x26a/0x2b4 [ 422.687472] ? dump_stack_print_info.cold.2+0x52/0x52 [ 422.692668] ? mark_held_locks+0x130/0x130 [ 422.696901] ? mark_held_locks+0x130/0x130 [ 422.701144] dump_header+0x27b/0xf72 [ 422.704884] ? pagefault_out_of_memory+0x197/0x197 [ 422.709834] ? mark_held_locks+0x130/0x130 [ 422.714080] ? __lock_acquire+0x7ec/0x4ec0 [ 422.718330] ? print_usage_bug+0xc0/0xc0 [ 422.722402] ? graph_lock+0x170/0x170 [ 422.726202] ? graph_lock+0x170/0x170 [ 422.730000] ? print_usage_bug+0xc0/0xc0 [ 422.734063] ? print_usage_bug+0xc0/0xc0 [ 422.738187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.743736] ? find_held_lock+0x36/0x1c0 [ 422.747806] ? mark_held_locks+0xc7/0x130 [ 422.751960] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.757064] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.762175] ? lockdep_hardirqs_on+0x421/0x5c0 [ 422.766761] ? trace_hardirqs_on+0xbd/0x310 [ 422.771080] ? kasan_check_read+0x11/0x20 [ 422.775782] ? ___ratelimit+0x36f/0x655 [ 422.779760] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.785213] ? trace_hardirqs_on+0x310/0x310 [ 422.789625] ? lock_downgrade+0x900/0x900 [ 422.793791] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.798907] ? ___ratelimit+0xaa/0x655 [ 422.802811] ? idr_get_free+0xec0/0xec0 [ 422.806799] ? kasan_check_write+0x14/0x20 [ 422.811055] ? do_raw_spin_lock+0xc1/0x200 [ 422.815322] oom_kill_process.cold.27+0x10/0x903 [ 422.820096] ? graph_lock+0x170/0x170 [ 422.823901] ? _raw_spin_unlock+0x2c/0x50 [ 422.828058] ? oom_badness+0xe6/0xaa0 [ 422.831873] ? oom_evaluate_task+0x540/0x540 [ 422.836289] ? find_held_lock+0x36/0x1c0 [ 422.840360] ? out_of_memory+0x974/0x14c0 [ 422.844514] ? lock_downgrade+0x900/0x900 [ 422.848662] ? check_preemption_disabled+0x48/0x200 [ 422.853685] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 422.859480] ? kasan_check_read+0x11/0x20 [ 422.863646] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.868924] ? rcu_bh_qs+0xc0/0xc0 [ 422.872469] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.877489] ? oom_evaluate_task+0x302/0x540 [ 422.881902] out_of_memory+0xa86/0x14c0 [ 422.885891] ? oom_killer_disable+0x3a0/0x3a0 [ 422.890388] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 422.895321] ? __mutex_add_waiter+0x2a0/0x2a0 [ 422.899834] __alloc_pages_slowpath+0x2318/0x2d80 [ 422.904714] ? warn_alloc+0x120/0x120 [ 422.908518] ? lock_downgrade+0x900/0x900 [ 422.912670] ? print_usage_bug+0xc0/0xc0 [ 422.916732] ? warn_alloc+0x120/0x120 [ 422.920536] ? print_usage_bug+0xc0/0xc0 [ 422.924610] ? debug_check_no_obj_freed+0x305/0x58d [ 422.929632] ? print_usage_bug+0xc0/0xc0 [ 422.933695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.939237] ? should_fail+0x22d/0xd01 [ 422.943135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.948240] ? __lock_acquire+0x7ec/0x4ec0 [ 422.952503] ? __lock_is_held+0xb5/0x140 [ 422.956581] ? graph_lock+0x170/0x170 [ 422.960386] ? ___might_sleep+0x1ed/0x300 [ 422.964531] ? lock_release+0x970/0x970 [ 422.968514] ? arch_local_save_flags+0x40/0x40 [ 422.973113] ? __might_sleep+0x95/0x190 [ 422.977099] __alloc_pages_nodemask+0xa80/0xde0 [ 422.981768] ? graph_lock+0x170/0x170 [ 422.985600] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 422.990630] ? graph_lock+0x170/0x170 [ 422.994444] ? mark_held_locks+0xc7/0x130 [ 422.998598] ? find_held_lock+0x36/0x1c0 [ 423.002669] ? cache_grow_begin+0x5a4/0x8c0 [ 423.006995] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.011588] ? trace_hardirqs_on+0xbd/0x310 [ 423.015912] ? fallback_alloc+0x203/0x2e0 [ 423.020061] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.025521] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 423.031063] cache_grow_begin+0x91/0x8c0 [ 423.035129] ? do_raw_spin_unlock+0xa7/0x2f0 [ 423.039546] fallback_alloc+0x203/0x2e0 [ 423.043536] ____cache_alloc_node+0x1c7/0x1e0 [ 423.048047] kmem_cache_alloc_node_trace+0xe7/0x740 [ 423.053077] __kmalloc_node_track_caller+0x33/0x70 [ 423.058019] __kmalloc_reserve.isra.39+0x41/0xe0 [ 423.062780] __alloc_skb+0x155/0x770 [ 423.066500] ? skb_scrub_packet+0x490/0x490 [ 423.070828] ? if_nlmsg_size+0x5d1/0xbb0 [ 423.074894] ? nla_put_ifalias+0x170/0x170 [ 423.079143] ? softnet_seq_show+0x470/0x470 [ 423.083464] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.088484] ? netif_tx_stop_all_queues+0xd9/0x110 [ 423.093421] rtmsg_ifinfo_build_skb+0x74/0x190 [ 423.098010] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 423.102860] rtmsg_ifinfo+0x8c/0xa0 [ 423.106496] dev_close_many+0x3be/0x860 [ 423.110486] ? unlist_netdevice+0x670/0x670 [ 423.114814] ? find_held_lock+0x36/0x1c0 [ 423.118890] ? __queue_work+0x6be/0x1440 [ 423.122953] ? lock_downgrade+0x900/0x900 [ 423.127112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.132652] ? rtnl_is_locked+0xb5/0xf0 [ 423.136628] ? rtnl_trylock+0x20/0x20 [ 423.140432] ? do_raw_spin_unlock+0xa7/0x2f0 [ 423.144864] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 423.149454] rollback_registered_many+0x56e/0x1240 [ 423.154395] ? generic_xdp_install+0x4c0/0x4c0 [ 423.158983] ? max_active_store+0x170/0x170 [ 423.163310] ? graph_lock+0x170/0x170 [ 423.167114] ? print_usage_bug+0xc0/0xc0 [ 423.171179] ? print_usage_bug+0xc0/0xc0 [ 423.175242] ? kfree_skbmem+0x154/0x230 [ 423.179216] ? graph_lock+0x170/0x170 [ 423.183020] ? print_usage_bug+0xc0/0xc0 [ 423.187089] ? find_held_lock+0x36/0x1c0 [ 423.191164] ? mark_held_locks+0xc7/0x130 [ 423.195319] rollback_registered+0x1e9/0x420 [ 423.199757] ? lockdep_hardirqs_on+0x351/0x5c0 [ 423.204340] ? rollback_registered_many+0x1240/0x1240 [ 423.209528] ? trace_hardirqs_on+0xbd/0x310 [ 423.213858] ? linkwatch_schedule_work+0x150/0x170 [ 423.218792] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.224252] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.229793] ? rtnl_is_locked+0xb5/0xf0 [ 423.233775] ? rtnl_trylock+0x20/0x20 [ 423.237586] ? queue_delayed_work_on+0x130/0x1f0 [ 423.242355] unregister_netdevice_queue+0x321/0x5e0 [ 423.247391] ? rollback_registered+0x420/0x420 [ 423.251990] ? linkwatch_schedule_work+0x170/0x170 [ 423.256925] ? tun_show_owner+0x170/0x170 [ 423.261077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.266629] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 423.271995] ? __tun_detach+0x6ba/0x15c0 [ 423.276066] __tun_detach+0x11b8/0x15c0 [ 423.280053] ? __call_rcu.constprop.69+0x429/0xbc0 [ 423.284995] ? tun_attach+0x1770/0x1770 [ 423.288974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.294526] ? check_preemption_disabled+0x48/0x200 [ 423.299582] ? graph_lock+0x170/0x170 [ 423.303398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.308940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.314483] ? locks_remove_file+0x3c6/0x5c0 [ 423.318893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.324433] ? ima_file_free+0x132/0x650 [ 423.328507] ? __lock_is_held+0xb5/0x140 [ 423.332581] ? __tun_detach+0x15c0/0x15c0 [ 423.336736] ? __tun_detach+0x15c0/0x15c0 [ 423.340882] tun_chr_close+0xe3/0x180 [ 423.344688] __fput+0x385/0xa30 [ 423.347973] ? get_max_files+0x20/0x20 [ 423.351865] ? ___might_sleep+0x1ed/0x300 [ 423.356018] ? arch_local_save_flags+0x40/0x40 [ 423.360608] ____fput+0x15/0x20 [ 423.363893] task_work_run+0x1e8/0x2a0 [ 423.367788] ? task_work_cancel+0x240/0x240 [ 423.372120] ? switch_task_namespaces+0xb8/0xd0 [ 423.376801] do_exit+0x1ad7/0x2610 [ 423.380367] ? mm_update_next_owner+0x990/0x990 [ 423.385042] ? print_usage_bug+0xc0/0xc0 [ 423.389121] ? __lock_acquire+0x7ec/0x4ec0 [ 423.393372] ? find_held_lock+0x36/0x1c0 [ 423.397453] ? __lock_acquire+0x7ec/0x4ec0 [ 423.401698] ? mark_held_locks+0x130/0x130 [ 423.405948] ? lock_acquire+0x1ed/0x520 [ 423.409936] ? mark_held_locks+0x130/0x130 [ 423.414176] ? arch_local_save_flags+0x40/0x40 [ 423.418763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.424322] ? __mutex_lock+0x872/0x1710 [ 423.428389] ? __switch_to_asm+0x40/0x70 [ 423.432451] ? __switch_to_asm+0x34/0x70 [ 423.436516] ? pipe_wait+0x266/0x2c0 [ 423.440239] ? mutex_trylock+0x2b0/0x2b0 [ 423.444313] ? graph_lock+0x170/0x170 [ 423.448115] ? find_held_lock+0x36/0x1c0 [ 423.452183] ? memset+0x31/0x40 [ 423.455474] ? find_held_lock+0x36/0x1c0 [ 423.459549] ? get_signal+0x95b/0x1980 [ 423.463449] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.467942] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.472444] do_group_exit+0x177/0x440 [ 423.476336] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.481792] ? __ia32_sys_exit+0x50/0x50 [ 423.485866] get_signal+0x8b0/0x1980 [ 423.489599] ? ptrace_notify+0x130/0x130 [ 423.493665] ? finish_wait+0x430/0x430 [ 423.497553] ? graph_lock+0x170/0x170 [ 423.501374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.506917] ? pipe_read+0x702/0x940 [ 423.510631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.516179] do_signal+0x9c/0x21e0 [ 423.519724] ? __vfs_read+0x11f/0x9b0 [ 423.523541] ? vfs_copy_file_range+0xb90/0xb90 [ 423.528134] ? setup_sigcontext+0x7d0/0x7d0 [ 423.532477] ? exit_to_usermode_loop+0x8c/0x380 [ 423.537164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.542710] exit_to_usermode_loop+0x2e5/0x380 [ 423.547299] ? syscall_slow_exit_work+0x520/0x520 [ 423.552143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.557710] do_syscall_64+0x6be/0x820 [ 423.561600] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 423.566970] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.571899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.576743] ? trace_hardirqs_off+0x300/0x300 [ 423.581243] ? prepare_exit_to_usermode+0x291/0x3b0 [ 423.586266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.591119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.596310] RIP: 0033:0x410e10 [ 423.599510] Code: Bad RIP value. [ 423.602869] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 423.610589] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 423.617856] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 423.625125] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 423.632392] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 423.639657] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 423.647342] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 423.647364] warn_alloc_show_mem: 1 callbacks suppressed [ 423.647370] Mem-Info: [ 423.654627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.659997] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 423.659997] active_file:19 inactive_file:16 isolated_file:0 [ 423.659997] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.659997] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 423.659997] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 423.659997] free:13785 free_pcp:397 free_cma:0 [ 423.662371] Call Trace: [ 423.671755] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 423.704534] [ 423.707107] Node 0 [ 423.734707] dump_stack+0x1c4/0x2b4 [ 423.736862] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 423.739073] ? dump_stack_print_info.cold.2+0x52/0x52 [ 423.742672] lowmem_reserve[]: 0 [ 423.768193] warn_alloc.cold.118+0xb7/0x1bd [ 423.773349] 2815 [ 423.776624] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.780924] 6318 [ 423.782983] ? lock_downgrade+0x900/0x900 [ 423.787800] 6318 [ 423.789864] ? trace_hardirqs_off+0xb8/0x300 [ 423.796046] ? trace_hardirqs_off+0xb8/0x300 [ 423.800425] Node 0 DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 423.804866] __alloc_pages_slowpath+0x2667/0x2d80 [ 423.804910] ? warn_alloc+0x120/0x120 [ 423.832204] lowmem_reserve[]: [ 423.837081] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.840845] 0 [ 423.843944] ? warn_alloc+0x120/0x120 [ 423.848935] 0 [ 423.850737] ? print_usage_bug+0xc0/0xc0 [ 423.854511] 3503 [ 423.856311] ? warn_alloc+0x120/0x120 [ 423.860358] 3503 [ 423.862425] ? print_usage_bug+0xc0/0xc0 [ 423.866201] Node 0 [ 423.868259] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 423.872321] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 423.874534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.879690] lowmem_reserve[]: [ 423.908248] ? should_fail+0x22d/0xd01 [ 423.913772] 0 [ 423.916887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.920739] 0 [ 423.922544] ? __lock_acquire+0x7ec/0x4ec0 [ 423.927620] 0 [ 423.929423] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.933631] 0 [ 423.935428] ? should_fail+0x22d/0xd01 [ 423.942308] ? mark_held_locks+0x130/0x130 [ 423.946160] Node 0 DMA: [ 423.950391] ? mark_held_locks+0x130/0x130 [ 423.950406] ? print_usage_bug+0xc0/0xc0 [ 423.953106] 1*4kB [ 423.957305] ? find_held_lock+0x36/0x1c0 [ 423.961339] (U) [ 423.963482] ? graph_lock+0x170/0x170 [ 423.967519] 0*8kB [ 423.969493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.973269] 0*16kB [ 423.975415] ? check_preemption_disabled+0x48/0x200 [ 423.980929] 1*32kB [ 423.983161] ? check_preemption_disabled+0x48/0x200 [ 423.988151] (U) [ 423.990389] ? __lock_is_held+0xb5/0x140 [ 423.995374] 2*64kB (U) [ 423.997375] __alloc_pages_nodemask+0xa80/0xde0 [ 424.001407] 1*128kB [ 424.003990] ? graph_lock+0x170/0x170 [ 424.008632] (U) [ 424.010959] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 424.014730] 1*256kB [ 424.016700] ? graph_lock+0x170/0x170 [ 424.021688] (U) [ 424.024015] ? find_held_lock+0x36/0x1c0 [ 424.027782] 0*512kB [ 424.029760] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.033790] 1*1024kB [ 424.036107] ? lock_downgrade+0x900/0x900 [ 424.040750] (U) [ 424.043162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.047281] 1*2048kB [ 424.049251] cache_grow_begin+0x91/0x8c0 [ 424.054757] (M) [ 424.057165] ? do_raw_spin_unlock+0xa7/0x2f0 [ 424.061196] 3*4096kB (M) [ 424.063182] fallback_alloc+0x203/0x2e0 [ 424.067559] = 15908kB [ 424.070327] ____cache_alloc_node+0x1c7/0x1e0 [ 424.074289] Node 0 [ 424.076717] kmem_cache_alloc_node+0xe3/0x730 [ 424.081185] DMA32: [ 424.083417] ? mark_held_locks+0xc7/0x130 [ 424.087889] 3*4kB [ 424.090125] __alloc_skb+0x119/0x770 [ 424.094240] (M) [ 424.096412] ? skb_scrub_packet+0x490/0x490 [ 424.100106] 1*8kB [ 424.102079] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 424.106374] (M) [ 424.108520] ? queue_work_on+0x12c/0x1e0 [ 424.113076] 3*16kB [ 424.115049] ? switchdev_port_obj_del+0xdc/0x450 [ 424.119080] (UM) [ 424.121314] ? switchdev_trans_item_enqueue+0x260/0x260 [ 424.126044] 3*32kB [ 424.128106] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 424.133441] (UM) [ 424.135674] __br_mdb_notify+0x4ff/0x15d0 [ 424.140673] 2*64kB [ 424.142738] ? __br_mdb_add+0x800/0x800 [ 424.146852] (UM) [ 424.149084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.153037] 5*128kB [ 424.155096] ? check_preemption_disabled+0x48/0x200 [ 424.160613] (UM) [ 424.162938] ? graph_lock+0x170/0x170 [ 424.167925] 3*256kB [ 424.169985] ? br_multicast_group_expired+0x96/0x610 [ 424.173756] (M) [ 424.176080] ? lock_downgrade+0x900/0x900 [ 424.181160] 4*512kB [ 424.183132] br_mdb_notify+0x310/0x410 [ 424.187252] (M) [ 424.189577] ? br_mdb_dump+0x2530/0x2530 [ 424.193445] 3*1024kB [ 424.195414] ? kasan_check_write+0x14/0x20 [ 424.199446] (UM) 3*2048kB [ 424.201871] ? do_raw_spin_lock+0xc1/0x200 [ 424.206078] (M) [ 424.208921] br_multicast_group_expired+0x1bc/0x610 [ 424.213126] 3*4096kB [ 424.215101] ? br_mdb_free+0x80/0x80 [ 424.220099] (M) [ 424.222514] call_timer_fn+0x272/0x920 [ 424.226196] = 25252kB [ 424.228162] ? br_mdb_free+0x80/0x80 [ 424.232025] Node 0 [ 424.234428] ? process_timeout+0x40/0x40 [ 424.238117] Normal: [ 424.240348] ? find_held_lock+0x36/0x1c0 [ 424.244385] 1016*4kB [ 424.246707] ? __run_timers+0x7da/0xc70 [ 424.250738] (UME) [ 424.253146] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.257094] 348*8kB [ 424.259240] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.263709] (UME) [ 424.266024] ? br_mdb_free+0x80/0x80 [ 424.270498] 167*16kB [ 424.272640] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 424.276327] (UME) [ 424.278732] ? trace_hardirqs_on+0xbd/0x310 [ 424.283290] 68*32kB [ 424.285434] ? kasan_check_read+0x11/0x20 [ 424.289733] (UME) [ 424.292058] ? __run_timers+0x7da/0xc70 [ 424.296176] 21*64kB [ 424.298324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.302263] (M) 6*128kB [ 424.304605] ? br_mdb_free+0x80/0x80 [ 424.310021] (UM) [ 424.312688] ? br_mdb_free+0x80/0x80 [ 424.316376] 1*256kB [ 424.318437] __run_timers+0x7e5/0xc70 [ 424.322124] (U) [ 424.324454] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 424.328223] 0*512kB [ 424.330200] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.335535] 0*1024kB [ 424.337874] ? graph_lock+0x170/0x170 [ 424.342884] 0*2048kB [ 424.345290] ? enqueue_hrtimer+0x1a5/0x560 [ 424.349064] 0*4096kB [ 424.351470] ? lock_release+0x970/0x970 [ 424.355678] = 14064kB [ 424.358082] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 424.362040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 424.364440] ? find_held_lock+0x36/0x1c0 [ 424.369606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 424.378429] ? graph_lock+0x170/0x170 [ 424.382463] 503 total pagecache pages [ 424.391030] ? pvclock_read_flags+0x160/0x160 [ 424.394818] 0 pages in swap cache [ 424.398610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.403081] Swap cache stats: add 0, delete 0, find 0/0 [ 424.406528] ? check_preemption_disabled+0x48/0x200 [ 424.412038] Free swap = 0kB [ 424.417401] ? __lock_is_held+0xb5/0x140 [ 424.422381] Total swap = 0kB [ 424.422390] 1965979 pages RAM [ 424.425405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.429444] 0 pages HighMem/MovableOnly [ 424.432462] ? check_preemption_disabled+0x48/0x200 [ 424.435540] 343324 pages reserved [ 424.441079] run_timer_softirq+0x52/0xb0 [ 424.445028] 0 pages cma reserved [ 424.450039] ? rcu_read_lock_sched_held+0x108/0x120 [ 424.453688] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.457521] __do_softirq+0x30b/0xad8 [ 424.460863] syz-executor2 cpuset= [ 424.465881] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 424.476334] syz2 [ 424.480129] ? pvclock_read_flags+0x160/0x160 [ 424.483556] mems_allowed=0 [ 424.488662] ? lapic_next_event+0x5a/0x90 [ 424.502162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.507699] ? check_preemption_disabled+0x48/0x200 [ 424.512713] ? check_preemption_disabled+0x48/0x200 [ 424.517739] ? kvm_clock_read+0x18/0x30 [ 424.521719] ? kvm_sched_clock_read+0x9/0x20 [ 424.526129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.531676] ? check_preemption_disabled+0x48/0x200 [ 424.536705] irq_exit+0x17f/0x1c0 [ 424.540162] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.545007] ? smp_reschedule_interrupt+0x109/0x650 [ 424.550028] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.555913] ? interrupt_entry+0xb5/0xf0 [ 424.559984] ? trace_hardirqs_off_caller+0xbb/0x300 [ 424.565001] ? trace_hardirqs_off_caller+0xbb/0x300 [ 424.570019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.574867] ? trace_hardirqs_off+0x300/0x300 [ 424.579361] ? trace_hardirqs_off+0x300/0x300 [ 424.583857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.589394] ? check_preemption_disabled+0x48/0x200 [ 424.594414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.599959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.604815] apic_timer_interrupt+0xf/0x20 [ 424.609048] [ 424.611288] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 424.616218] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 424.635303] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 424.643032] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 424.650319] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 424.657603] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 424.664873] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 424.672143] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 424.679484] skb_clone+0x1bb/0x500 [ 424.683030] ? skb_split+0x11e0/0x11e0 [ 424.686940] ? preempt_notifier_register+0x200/0x200 [ 424.692058] ? __switch_to_asm+0x34/0x70 [ 424.696125] ? __switch_to_asm+0x34/0x70 [ 424.700184] ? __switch_to_asm+0x40/0x70 [ 424.704249] ? __switch_to_asm+0x34/0x70 [ 424.708311] ? __switch_to_asm+0x40/0x70 [ 424.712374] ? __switch_to_asm+0x40/0x70 [ 424.716436] ? __switch_to_asm+0x34/0x70 [ 424.720495] ? __switch_to_asm+0x34/0x70 [ 424.724554] ? __switch_to_asm+0x40/0x70 [ 424.728630] ? __switch_to_asm+0x34/0x70 [ 424.732702] bpf_clone_redirect+0xb9/0x490 [ 424.736967] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 424.741996] ? __sched_text_start+0x8/0x8 [ 424.746152] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 424.750931] ? find_held_lock+0x36/0x1c0 [ 424.755010] ? lock_acquire+0x1ed/0x520 [ 424.758997] ? bpf_test_run+0x32e/0x5a0 [ 424.762987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.768532] ? check_preemption_disabled+0x48/0x200 [ 424.773560] ? kasan_check_read+0x11/0x20 [ 424.777904] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.783184] ? rcu_bh_qs+0xc0/0xc0 [ 424.786728] ? preempt_schedule+0x4d/0x60 [ 424.790881] ? ___preempt_schedule+0x16/0x18 [ 424.795298] ? bpf_test_run+0x1c0/0x5a0 [ 424.799276] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 424.804126] ? netlink_diag_dump+0x2a0/0x2a0 [ 424.808536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.814081] ? bpf_test_init.isra.9+0x70/0x100 [ 424.818668] ? bpf_prog_test_run_skb+0x634/0xb40 [ 424.823431] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 424.828277] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 424.833814] ? fput+0x130/0x1a0 [ 424.837095] ? __bpf_prog_get+0x9b/0x290 [ 424.841161] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 424.846000] ? bpf_prog_test_run+0x130/0x1a0 [ 424.850414] ? __x64_sys_bpf+0x3d8/0x510 [ 424.854475] ? bpf_prog_get+0x20/0x20 [ 424.858300] ? do_syscall_64+0x1b9/0x820 [ 424.862361] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 424.867726] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.872658] ? trace_hardirqs_off+0x300/0x300 [ 424.877158] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 424.882175] ? recalc_sigpending_tsk+0x180/0x180 [ 424.886933] ? kasan_check_write+0x14/0x20 [ 424.891178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.896044] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.901433] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 424.901630] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.908630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.919100] syz-executor4 cpuset= [ 424.928434] Call Trace: [ 424.928444] syz4 [ 424.931884] [ 424.934458] mems_allowed=0 [ 424.936424] dump_stack+0x1c4/0x2b4 [ 424.945099] ? dump_stack_print_info.cold.2+0x52/0x52 [ 424.950309] warn_alloc.cold.118+0xb7/0x1bd [ 424.954636] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.959482] ? lock_downgrade+0x900/0x900 [ 424.963644] ? trace_hardirqs_off+0xb8/0x300 [ 424.968059] ? trace_hardirqs_off+0xb8/0x300 [ 424.972484] __alloc_pages_slowpath+0x2667/0x2d80 [ 424.977361] ? warn_alloc+0x120/0x120 [ 424.981168] ? warn_alloc+0x120/0x120 [ 424.984972] ? check_preemption_disabled+0x48/0x200 [ 424.989998] ? print_usage_bug+0xc0/0xc0 [ 424.994065] ? warn_alloc+0x120/0x120 [ 424.997872] ? print_usage_bug+0xc0/0xc0 [ 425.001939] ? mark_held_locks+0x130/0x130 [ 425.006176] ? __lock_is_held+0xb5/0x140 [ 425.010242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.015784] ? should_fail+0x22d/0xd01 [ 425.019679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.024784] ? __lock_acquire+0x7ec/0x4ec0 [ 425.029022] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.034125] ? should_fail+0x22d/0xd01 [ 425.038027] ? mark_held_locks+0x130/0x130 [ 425.042273] ? mark_held_locks+0x130/0x130 [ 425.046514] ? print_usage_bug+0xc0/0xc0 [ 425.050591] ? find_held_lock+0x36/0x1c0 [ 425.054655] ? graph_lock+0x170/0x170 [ 425.058467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.064004] ? check_preemption_disabled+0x48/0x200 [ 425.069019] ? check_preemption_disabled+0x48/0x200 [ 425.074049] ? __lock_is_held+0xb5/0x140 [ 425.078121] __alloc_pages_nodemask+0xa80/0xde0 [ 425.082790] ? graph_lock+0x170/0x170 [ 425.086602] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 425.091619] ? graph_lock+0x170/0x170 [ 425.095432] ? find_held_lock+0x36/0x1c0 [ 425.099525] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.104197] ? lock_downgrade+0x900/0x900 [ 425.108358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.113902] cache_grow_begin+0x91/0x8c0 [ 425.117966] ? do_raw_spin_unlock+0xa7/0x2f0 [ 425.122383] fallback_alloc+0x203/0x2e0 [ 425.126372] ____cache_alloc_node+0x1c7/0x1e0 [ 425.130876] kmem_cache_alloc_node+0xe3/0x730 [ 425.135374] ? mark_held_locks+0xc7/0x130 [ 425.139534] __alloc_skb+0x119/0x770 [ 425.143266] ? skb_scrub_packet+0x490/0x490 [ 425.147602] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 425.152198] ? queue_work_on+0x12c/0x1e0 [ 425.156277] ? switchdev_port_obj_del+0xdc/0x450 [ 425.161047] ? switchdev_trans_item_enqueue+0x260/0x260 [ 425.166427] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 425.171464] __br_mdb_notify+0x4ff/0x15d0 [ 425.175639] ? __br_mdb_add+0x800/0x800 [ 425.179621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.185163] ? check_preemption_disabled+0x48/0x200 [ 425.190193] ? graph_lock+0x170/0x170 [ 425.194003] ? br_multicast_group_expired+0x96/0x610 [ 425.199113] ? lock_downgrade+0x900/0x900 [ 425.203274] br_mdb_notify+0x310/0x410 [ 425.207166] ? br_mdb_dump+0x2530/0x2530 [ 425.211234] ? kasan_check_write+0x14/0x20 [ 425.215473] ? do_raw_spin_lock+0xc1/0x200 [ 425.219719] br_multicast_group_expired+0x1bc/0x610 [ 425.224738] ? br_mdb_free+0x80/0x80 [ 425.228465] call_timer_fn+0x272/0x920 [ 425.232353] ? br_mdb_free+0x80/0x80 [ 425.236075] ? process_timeout+0x40/0x40 [ 425.240142] ? find_held_lock+0x36/0x1c0 [ 425.244214] ? mark_held_locks+0xc7/0x130 [ 425.248366] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.252862] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.257353] ? br_mdb_free+0x80/0x80 [ 425.261071] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 425.265662] ? trace_hardirqs_on+0xbd/0x310 [ 425.269980] ? kasan_check_read+0x11/0x20 [ 425.274131] ? __run_timers+0x7da/0xc70 [ 425.278113] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.283591] ? br_mdb_free+0x80/0x80 [ 425.287314] ? br_mdb_free+0x80/0x80 [ 425.291028] __run_timers+0x7e5/0xc70 [ 425.294848] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 425.300215] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.305236] ? graph_lock+0x170/0x170 [ 425.309043] ? print_usage_bug+0xc0/0xc0 [ 425.313109] ? lock_release+0x970/0x970 [ 425.317095] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 425.322311] ? find_held_lock+0x36/0x1c0 [ 425.326378] ? graph_lock+0x170/0x170 [ 425.330186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.335721] ? check_preemption_disabled+0x48/0x200 [ 425.340751] ? __lock_is_held+0xb5/0x140 [ 425.344817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.350356] ? check_preemption_disabled+0x48/0x200 [ 425.355384] run_timer_softirq+0x52/0xb0 [ 425.359451] ? rcu_read_lock_sched_held+0x108/0x120 [ 425.364472] __do_softirq+0x30b/0xad8 [ 425.368288] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 425.373395] ? pvclock_read_flags+0x160/0x160 [ 425.377893] ? lapic_next_event+0x5a/0x90 [ 425.382049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.387596] ? check_preemption_disabled+0x48/0x200 [ 425.392614] ? check_preemption_disabled+0x48/0x200 [ 425.397641] ? kvm_clock_read+0x18/0x30 [ 425.401616] ? kvm_sched_clock_read+0x9/0x20 [ 425.406030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.411576] ? check_preemption_disabled+0x48/0x200 [ 425.416621] irq_exit+0x17f/0x1c0 [ 425.420077] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.424929] ? smp_reschedule_interrupt+0x109/0x650 [ 425.429948] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.435922] ? interrupt_entry+0xb5/0xf0 [ 425.439988] ? trace_hardirqs_off_caller+0xbb/0x300 [ 425.445002] ? trace_hardirqs_off_caller+0xbb/0x300 [ 425.450020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.454866] ? trace_hardirqs_off+0x300/0x300 [ 425.459360] ? trace_hardirqs_off+0x300/0x300 [ 425.463859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.469398] ? check_preemption_disabled+0x48/0x200 [ 425.474438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.479984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.484836] apic_timer_interrupt+0xf/0x20 [ 425.489062] [ 425.491307] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 425.496592] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 425.515493] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 425.523205] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 425.530485] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 425.537758] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 425.545025] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 425.552297] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 425.559601] ? arch_local_irq_restore+0x45/0x52 [ 425.564287] dump_stack+0x26a/0x2b4 [ 425.567919] ? dump_stack_print_info.cold.2+0x52/0x52 [ 425.573117] ? mark_held_locks+0x130/0x130 [ 425.577351] ? mark_held_locks+0x130/0x130 [ 425.581601] dump_header+0x27b/0xf72 [ 425.585334] ? pagefault_out_of_memory+0x197/0x197 [ 425.590272] ? mark_held_locks+0x130/0x130 [ 425.594513] ? __lock_acquire+0x7ec/0x4ec0 [ 425.598850] ? print_usage_bug+0xc0/0xc0 [ 425.602930] ? graph_lock+0x170/0x170 [ 425.606738] ? graph_lock+0x170/0x170 [ 425.610543] ? print_usage_bug+0xc0/0xc0 [ 425.614609] ? print_usage_bug+0xc0/0xc0 [ 425.618681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.624229] ? find_held_lock+0x36/0x1c0 [ 425.628301] ? mark_held_locks+0xc7/0x130 [ 425.632453] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 425.637557] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 425.642691] ? lockdep_hardirqs_on+0x421/0x5c0 [ 425.647536] ? trace_hardirqs_on+0xbd/0x310 [ 425.651862] ? kasan_check_read+0x11/0x20 [ 425.656030] ? ___ratelimit+0x36f/0x655 [ 425.660006] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.665456] ? trace_hardirqs_on+0x310/0x310 [ 425.669864] ? lock_downgrade+0x900/0x900 [ 425.674022] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.679132] ? ___ratelimit+0xaa/0x655 [ 425.683023] ? idr_get_free+0xec0/0xec0 [ 425.686995] ? kasan_check_write+0x14/0x20 [ 425.691233] ? do_raw_spin_lock+0xc1/0x200 [ 425.695476] oom_kill_process.cold.27+0x10/0x903 [ 425.700234] ? graph_lock+0x170/0x170 [ 425.704035] ? _raw_spin_unlock+0x2c/0x50 [ 425.708186] ? oom_badness+0xe6/0xaa0 [ 425.711993] ? oom_evaluate_task+0x540/0x540 [ 425.716410] ? find_held_lock+0x36/0x1c0 [ 425.720487] ? out_of_memory+0x974/0x14c0 [ 425.724644] ? lock_downgrade+0x900/0x900 [ 425.728804] ? check_preemption_disabled+0x48/0x200 [ 425.733840] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 425.739647] ? kasan_check_read+0x11/0x20 [ 425.743810] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 425.749101] ? rcu_bh_qs+0xc0/0xc0 [ 425.752649] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.757666] ? oom_evaluate_task+0x302/0x540 [ 425.762082] out_of_memory+0xa86/0x14c0 [ 425.766076] ? oom_killer_disable+0x3a0/0x3a0 [ 425.770586] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 425.775522] ? __mutex_add_waiter+0x2a0/0x2a0 [ 425.780033] __alloc_pages_slowpath+0x2318/0x2d80 [ 425.784911] ? warn_alloc+0x120/0x120 [ 425.788721] ? lock_downgrade+0x900/0x900 [ 425.792880] ? print_usage_bug+0xc0/0xc0 [ 425.796946] ? warn_alloc+0x120/0x120 [ 425.800748] ? print_usage_bug+0xc0/0xc0 [ 425.804816] ? debug_check_no_obj_freed+0x305/0x58d [ 425.809833] ? print_usage_bug+0xc0/0xc0 [ 425.813896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.819453] ? should_fail+0x22d/0xd01 [ 425.823349] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.828454] ? __lock_acquire+0x7ec/0x4ec0 [ 425.832718] ? __lock_is_held+0xb5/0x140 [ 425.836789] ? graph_lock+0x170/0x170 [ 425.840600] ? ___might_sleep+0x1ed/0x300 [ 425.844753] ? lock_release+0x970/0x970 [ 425.848733] ? arch_local_save_flags+0x40/0x40 [ 425.853327] ? __might_sleep+0x95/0x190 [ 425.857307] __alloc_pages_nodemask+0xa80/0xde0 [ 425.861978] ? graph_lock+0x170/0x170 [ 425.865784] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 425.870796] ? graph_lock+0x170/0x170 [ 425.874613] ? mark_held_locks+0xc7/0x130 [ 425.878759] ? find_held_lock+0x36/0x1c0 [ 425.882826] ? cache_grow_begin+0x5a4/0x8c0 [ 425.887149] ? lockdep_hardirqs_on+0x421/0x5c0 [ 425.891755] ? trace_hardirqs_on+0xbd/0x310 [ 425.896077] ? fallback_alloc+0x203/0x2e0 [ 425.900232] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.905686] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 425.911229] cache_grow_begin+0x91/0x8c0 [ 425.915290] ? do_raw_spin_unlock+0xa7/0x2f0 [ 425.919705] fallback_alloc+0x203/0x2e0 [ 425.923687] ____cache_alloc_node+0x1c7/0x1e0 [ 425.928191] kmem_cache_alloc_node_trace+0xe7/0x740 [ 425.933227] __kmalloc_node_track_caller+0x33/0x70 [ 425.938161] __kmalloc_reserve.isra.39+0x41/0xe0 [ 425.942921] __alloc_skb+0x155/0x770 [ 425.946641] ? skb_scrub_packet+0x490/0x490 [ 425.950965] ? if_nlmsg_size+0x5d1/0xbb0 [ 425.955032] ? nla_put_ifalias+0x170/0x170 [ 425.959282] ? softnet_seq_show+0x470/0x470 [ 425.963604] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 425.968621] ? netif_tx_stop_all_queues+0xd9/0x110 [ 425.973560] rtmsg_ifinfo_build_skb+0x74/0x190 [ 425.978160] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 425.983007] rtmsg_ifinfo+0x8c/0xa0 [ 425.986640] dev_close_many+0x3be/0x860 [ 425.990627] ? unlist_netdevice+0x670/0x670 [ 425.994957] ? find_held_lock+0x36/0x1c0 [ 425.999028] ? __queue_work+0x6be/0x1440 [ 426.003095] ? lock_downgrade+0x900/0x900 [ 426.007248] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.012785] ? rtnl_is_locked+0xb5/0xf0 [ 426.016765] ? rtnl_trylock+0x20/0x20 [ 426.020573] ? do_raw_spin_unlock+0xa7/0x2f0 [ 426.024985] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 426.029583] rollback_registered_many+0x56e/0x1240 [ 426.034527] ? generic_xdp_install+0x4c0/0x4c0 [ 426.039118] ? max_active_store+0x170/0x170 [ 426.043445] ? graph_lock+0x170/0x170 [ 426.047247] ? print_usage_bug+0xc0/0xc0 [ 426.051307] ? print_usage_bug+0xc0/0xc0 [ 426.055370] ? kfree_skbmem+0x154/0x230 [ 426.059369] ? graph_lock+0x170/0x170 [ 426.063176] ? print_usage_bug+0xc0/0xc0 [ 426.067244] ? find_held_lock+0x36/0x1c0 [ 426.071321] ? mark_held_locks+0xc7/0x130 [ 426.075474] rollback_registered+0x1e9/0x420 [ 426.079886] ? lockdep_hardirqs_on+0x351/0x5c0 [ 426.084473] ? rollback_registered_many+0x1240/0x1240 [ 426.089668] ? trace_hardirqs_on+0xbd/0x310 [ 426.093994] ? linkwatch_schedule_work+0x150/0x170 [ 426.098928] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.104383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.109925] ? rtnl_is_locked+0xb5/0xf0 [ 426.113903] ? rtnl_trylock+0x20/0x20 [ 426.117725] ? queue_delayed_work_on+0x130/0x1f0 [ 426.122488] unregister_netdevice_queue+0x321/0x5e0 [ 426.127507] ? rollback_registered+0x420/0x420 [ 426.132100] ? linkwatch_schedule_work+0x170/0x170 [ 426.137036] ? tun_show_owner+0x170/0x170 [ 426.141191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.146734] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 426.152104] ? __tun_detach+0x6ba/0x15c0 [ 426.156178] __tun_detach+0x11b8/0x15c0 [ 426.160157] ? __call_rcu.constprop.69+0x429/0xbc0 [ 426.165108] ? tun_attach+0x1770/0x1770 [ 426.169094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.174635] ? check_preemption_disabled+0x48/0x200 [ 426.179836] ? graph_lock+0x170/0x170 [ 426.183638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.189176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.194719] ? locks_remove_file+0x3c6/0x5c0 [ 426.199133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.204675] ? ima_file_free+0x132/0x650 [ 426.208742] ? __lock_is_held+0xb5/0x140 [ 426.212807] ? __tun_detach+0x15c0/0x15c0 [ 426.216979] ? __tun_detach+0x15c0/0x15c0 [ 426.221128] tun_chr_close+0xe3/0x180 [ 426.224932] __fput+0x385/0xa30 [ 426.228221] ? get_max_files+0x20/0x20 [ 426.232116] ? ___might_sleep+0x1ed/0x300 [ 426.236271] ? arch_local_save_flags+0x40/0x40 [ 426.240862] ____fput+0x15/0x20 [ 426.244144] task_work_run+0x1e8/0x2a0 [ 426.248039] ? task_work_cancel+0x240/0x240 [ 426.252369] ? switch_task_namespaces+0xb8/0xd0 [ 426.257046] do_exit+0x1ad7/0x2610 [ 426.260604] ? mm_update_next_owner+0x990/0x990 [ 426.265280] ? print_usage_bug+0xc0/0xc0 [ 426.269353] ? __lock_acquire+0x7ec/0x4ec0 [ 426.273593] ? find_held_lock+0x36/0x1c0 [ 426.277666] ? __lock_acquire+0x7ec/0x4ec0 [ 426.281905] ? mark_held_locks+0x130/0x130 [ 426.286144] ? lock_acquire+0x1ed/0x520 [ 426.290133] ? mark_held_locks+0x130/0x130 [ 426.294368] ? arch_local_save_flags+0x40/0x40 [ 426.298969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.304532] ? __mutex_lock+0x872/0x1710 [ 426.308604] ? __switch_to_asm+0x40/0x70 [ 426.312667] ? __switch_to_asm+0x34/0x70 [ 426.316730] ? pipe_wait+0x266/0x2c0 [ 426.320453] ? mutex_trylock+0x2b0/0x2b0 [ 426.324531] ? graph_lock+0x170/0x170 [ 426.328339] ? find_held_lock+0x36/0x1c0 [ 426.332405] ? memset+0x31/0x40 [ 426.335696] ? find_held_lock+0x36/0x1c0 [ 426.339780] ? get_signal+0x95b/0x1980 [ 426.343677] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.348178] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.352682] do_group_exit+0x177/0x440 [ 426.356587] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.362041] ? __ia32_sys_exit+0x50/0x50 [ 426.366120] get_signal+0x8b0/0x1980 [ 426.369850] ? ptrace_notify+0x130/0x130 [ 426.373933] ? finish_wait+0x430/0x430 [ 426.377821] ? graph_lock+0x170/0x170 [ 426.381630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.387183] ? pipe_read+0x702/0x940 [ 426.390929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.396481] do_signal+0x9c/0x21e0 [ 426.400021] ? __vfs_read+0x11f/0x9b0 [ 426.403832] ? vfs_copy_file_range+0xb90/0xb90 [ 426.408416] ? setup_sigcontext+0x7d0/0x7d0 [ 426.412760] ? exit_to_usermode_loop+0x8c/0x380 [ 426.417449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.422994] exit_to_usermode_loop+0x2e5/0x380 [ 426.427588] ? syscall_slow_exit_work+0x520/0x520 [ 426.432429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.437977] do_syscall_64+0x6be/0x820 [ 426.441867] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 426.447234] ? syscall_return_slowpath+0x5e0/0x5e0 [ 426.452162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.457005] ? trace_hardirqs_off+0x300/0x300 [ 426.461506] ? prepare_exit_to_usermode+0x291/0x3b0 [ 426.466532] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.471390] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 426.476585] RIP: 0033:0x410e10 [ 426.479783] Code: Bad RIP value. [ 426.483145] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 426.490874] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 426.498141] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 426.505409] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 426.512676] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 426.519955] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 426.527275] warn_alloc_show_mem: 1 callbacks suppressed [ 426.527288] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 426.527290] Mem-Info: [ 426.527320] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 426.527320] active_file:19 inactive_file:16 isolated_file:0 [ 426.527320] unevictable:0 dirty:0 writeback:0 unstable:0 [ 426.527320] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 426.527320] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 426.527320] free:13785 free_pcp:397 free_cma:0 [ 426.532677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.539955] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 426.542357] Call Trace: [ 426.575226] Node 0 [ 426.584583] [ 426.612184] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 426.614750] dump_stack+0x1c4/0x2b4 [ 426.616954] lowmem_reserve[]: [ 426.619107] ? dump_stack_print_info.cold.2+0x52/0x52 [ 426.644603] 0 [ 426.648243] warn_alloc.cold.118+0xb7/0x1bd [ 426.651312] 2815 [ 426.656513] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.658289] 6318 [ 426.662609] ? lock_downgrade+0x900/0x900 [ 426.664645] 6318 [ 426.669487] ? trace_hardirqs_off+0xb8/0x300 [ 426.675667] ? trace_hardirqs_off+0xb8/0x300 [ 426.677706] Node 0 [ 426.682114] __alloc_pages_slowpath+0x2667/0x2d80 [ 426.686518] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 426.688750] ? warn_alloc+0x120/0x120 [ 426.693533] lowmem_reserve[]: 0 [ 426.720264] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.724039] 0 [ 426.727312] ? warn_alloc+0x120/0x120 [ 426.732303] 3503 [ 426.734110] ? print_usage_bug+0xc0/0xc0 [ 426.737886] 3503 [ 426.739945] ? warn_alloc+0x120/0x120 [ 426.746037] ? print_usage_bug+0xc0/0xc0 [ 426.749814] Node 0 [ 426.753865] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.753900] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 426.756112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.761273] lowmem_reserve[]: [ 426.790077] ? should_fail+0x22d/0xd01 [ 426.795600] 0 [ 426.798700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.802558] 0 [ 426.804366] ? __lock_acquire+0x7ec/0x4ec0 [ 426.809443] 0 [ 426.811242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.815450] 0 [ 426.817247] ? should_fail+0x22d/0xd01 [ 426.824131] ? mark_held_locks+0x130/0x130 [ 426.827988] Node 0 DMA: [ 426.832218] ? mark_held_locks+0x130/0x130 [ 426.832233] ? print_usage_bug+0xc0/0xc0 [ 426.834885] 1*4kB [ 426.839115] ? find_held_lock+0x36/0x1c0 [ 426.843149] (U) [ 426.845294] ? graph_lock+0x170/0x170 [ 426.849334] 0*8kB [ 426.851307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.855080] 0*16kB [ 426.857223] ? check_preemption_disabled+0x48/0x200 [ 426.862736] 1*32kB [ 426.864964] ? check_preemption_disabled+0x48/0x200 [ 426.869958] (U) [ 426.872196] ? __lock_is_held+0xb5/0x140 [ 426.877178] 2*64kB [ 426.879149] __alloc_pages_nodemask+0xa80/0xde0 [ 426.883187] (U) [ 426.885414] ? graph_lock+0x170/0x170 [ 426.890058] 1*128kB [ 426.892028] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 426.895801] (U) [ 426.898119] ? graph_lock+0x170/0x170 [ 426.903110] 1*256kB (U) [ 426.905102] ? find_held_lock+0x36/0x1c0 [ 426.908871] 0*512kB [ 426.911544] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.915576] 1*1024kB (U) [ 426.917916] ? lock_downgrade+0x900/0x900 [ 426.922561] 1*2048kB [ 426.925336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.929448] (M) [ 426.931866] cache_grow_begin+0x91/0x8c0 [ 426.937367] 3*4096kB (M) [ 426.939353] ? do_raw_spin_unlock+0xa7/0x2f0 [ 426.943381] = 15908kB [ 426.946143] fallback_alloc+0x203/0x2e0 [ 426.950517] Node 0 [ 426.952928] ____cache_alloc_node+0x1c7/0x1e0 [ 426.956867] DMA32: [ 426.959137] kmem_cache_alloc_node+0xe3/0x730 [ 426.963605] 3*4kB [ 426.965834] ? mark_held_locks+0xc7/0x130 [ 426.970300] (M) [ 426.972450] __alloc_skb+0x119/0x770 [ 426.976574] 1*8kB [ 426.978553] ? skb_scrub_packet+0x490/0x490 [ 426.982246] (M) [ 426.984393] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 426.988692] 3*16kB [ 426.990668] ? queue_work_on+0x12c/0x1e0 [ 426.995223] (UM) [ 426.997458] ? switchdev_port_obj_del+0xdc/0x450 [ 427.001491] 3*32kB [ 427.003552] ? switchdev_trans_item_enqueue+0x260/0x260 [ 427.008290] (UM) [ 427.010530] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 427.015866] 2*64kB [ 427.017928] __br_mdb_notify+0x4ff/0x15d0 [ 427.022914] (UM) [ 427.025154] ? __br_mdb_add+0x800/0x800 [ 427.029274] 5*128kB [ 427.031332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.035281] (UM) [ 427.037612] ? check_preemption_disabled+0x48/0x200 [ 427.043124] 3*256kB [ 427.045187] ? graph_lock+0x170/0x170 [ 427.050173] (M) [ 427.052492] ? br_multicast_group_expired+0x96/0x610 [ 427.056266] 4*512kB [ 427.058238] ? lock_downgrade+0x900/0x900 [ 427.063314] (M) [ 427.065637] br_mdb_notify+0x310/0x410 [ 427.069757] 3*1024kB [ 427.071724] ? br_mdb_dump+0x2530/0x2530 [ 427.075600] (UM) [ 427.078006] ? kasan_check_write+0x14/0x20 [ 427.082041] 3*2048kB [ 427.084099] ? do_raw_spin_lock+0xc1/0x200 [ 427.088308] (M) [ 427.090722] br_multicast_group_expired+0x1bc/0x610 [ 427.094930] 3*4096kB [ 427.096897] ? br_mdb_free+0x80/0x80 [ 427.101888] (M) [ 427.104304] call_timer_fn+0x272/0x920 [ 427.107978] = 25252kB [ 427.107986] Node 0 [ 427.109955] ? br_mdb_free+0x80/0x80 [ 427.113821] Normal: [ 427.116230] ? process_timeout+0x40/0x40 [ 427.118443] 1016*4kB [ 427.122150] ? find_held_lock+0x36/0x1c0 [ 427.124450] (UME) [ 427.128509] ? __run_timers+0x7da/0xc70 [ 427.130892] 348*8kB [ 427.134944] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.137071] (UME) [ 427.141040] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.143341] 167*16kB [ 427.147845] ? br_mdb_free+0x80/0x80 [ 427.149971] (UME) [ 427.154463] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 427.156851] 68*32kB [ 427.160558] ? trace_hardirqs_on+0xbd/0x310 [ 427.162687] (UME) [ 427.167263] ? kasan_check_read+0x11/0x20 [ 427.169563] 21*64kB [ 427.173891] ? __run_timers+0x7da/0xc70 [ 427.176012] (M) [ 427.180156] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.182453] 6*128kB [ 427.186417] ? br_mdb_free+0x80/0x80 [ 427.188370] (UM) [ 427.193812] ? br_mdb_free+0x80/0x80 [ 427.196118] 1*256kB [ 427.199825] __run_timers+0x7e5/0xc70 [ 427.201859] (U) [ 427.205586] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 427.207878] 0*512kB [ 427.211685] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 427.213635] 0*1024kB [ 427.218992] ? graph_lock+0x170/0x170 [ 427.221288] 0*2048kB [ 427.226294] ? enqueue_hrtimer+0x1a5/0x560 [ 427.228680] 0*4096kB [ 427.232473] ? lock_release+0x970/0x970 [ 427.234861] = 14064kB [ 427.239105] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 427.241517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 427.245486] ? find_held_lock+0x36/0x1c0 [ 427.247881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 427.253059] ? graph_lock+0x170/0x170 [ 427.261868] 503 total pagecache pages [ 427.265923] ? pvclock_read_flags+0x160/0x160 [ 427.274479] 0 pages in swap cache [ 427.278266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.282043] Swap cache stats: add 0, delete 0, find 0/0 [ 427.286527] ? check_preemption_disabled+0x48/0x200 [ 427.289956] Free swap = 0kB [ 427.295493] ? __lock_is_held+0xb5/0x140 [ 427.300828] Total swap = 0kB [ 427.305837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.308829] 1965979 pages RAM [ 427.312881] ? check_preemption_disabled+0x48/0x200 [ 427.315885] 0 pages HighMem/MovableOnly [ 427.321419] run_timer_softirq+0x52/0xb0 [ 427.324497] 343324 pages reserved [ 427.329506] ? rcu_read_lock_sched_held+0x108/0x120 [ 427.333454] 0 pages cma reserved [ 427.337510] __do_softirq+0x30b/0xad8 [ 427.341200] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.345951] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 427.349288] syz-executor2 cpuset= [ 427.353087] ? pvclock_read_flags+0x160/0x160 [ 427.363549] syz2 [ 427.368652] ? lapic_next_event+0x5a/0x90 [ 427.372084] mems_allowed=0 [ 427.376580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.391123] ? check_preemption_disabled+0x48/0x200 [ 427.396157] ? check_preemption_disabled+0x48/0x200 [ 427.401179] ? kvm_clock_read+0x18/0x30 [ 427.405176] ? kvm_sched_clock_read+0x9/0x20 [ 427.409611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.415160] ? check_preemption_disabled+0x48/0x200 [ 427.420195] irq_exit+0x17f/0x1c0 [ 427.423658] smp_apic_timer_interrupt+0x1cb/0x760 [ 427.428502] ? smp_reschedule_interrupt+0x109/0x650 [ 427.433633] ? smp_call_function_single_interrupt+0x650/0x650 [ 427.439519] ? interrupt_entry+0xb5/0xf0 [ 427.443599] ? trace_hardirqs_off_caller+0xbb/0x300 [ 427.448619] ? trace_hardirqs_off_caller+0xbb/0x300 [ 427.453637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.458480] ? trace_hardirqs_off+0x300/0x300 [ 427.462975] ? trace_hardirqs_off+0x300/0x300 [ 427.467476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.473039] ? check_preemption_disabled+0x48/0x200 [ 427.478076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.483630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.488484] apic_timer_interrupt+0xf/0x20 [ 427.492724] [ 427.494968] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 427.499904] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 427.518825] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 427.526550] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 427.534008] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 427.541280] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 427.548545] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 427.555820] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 427.563156] skb_clone+0x1bb/0x500 [ 427.566704] ? skb_split+0x11e0/0x11e0 [ 427.570609] ? preempt_notifier_register+0x200/0x200 [ 427.575718] ? __switch_to_asm+0x34/0x70 [ 427.579785] ? __switch_to_asm+0x34/0x70 [ 427.583850] ? __switch_to_asm+0x40/0x70 [ 427.587914] ? __switch_to_asm+0x34/0x70 [ 427.591981] ? __switch_to_asm+0x40/0x70 [ 427.596052] ? __switch_to_asm+0x40/0x70 [ 427.600120] ? __switch_to_asm+0x34/0x70 [ 427.604189] ? __switch_to_asm+0x34/0x70 [ 427.608254] ? __switch_to_asm+0x40/0x70 [ 427.612314] ? __switch_to_asm+0x34/0x70 [ 427.616389] bpf_clone_redirect+0xb9/0x490 [ 427.620643] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 427.625667] ? __sched_text_start+0x8/0x8 [ 427.629817] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 427.634624] ? find_held_lock+0x36/0x1c0 [ 427.638697] ? lock_acquire+0x1ed/0x520 [ 427.642674] ? bpf_test_run+0x32e/0x5a0 [ 427.647124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.652664] ? check_preemption_disabled+0x48/0x200 [ 427.657687] ? kasan_check_read+0x11/0x20 [ 427.661875] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.667160] ? rcu_bh_qs+0xc0/0xc0 [ 427.670711] ? preempt_schedule+0x4d/0x60 [ 427.674864] ? ___preempt_schedule+0x16/0x18 [ 427.679293] ? bpf_test_run+0x1c0/0x5a0 [ 427.683272] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 427.688129] ? netlink_diag_dump+0x2a0/0x2a0 [ 427.692542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.698089] ? bpf_test_init.isra.9+0x70/0x100 [ 427.702965] ? bpf_prog_test_run_skb+0x634/0xb40 [ 427.707733] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 427.712595] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 427.718143] ? fput+0x130/0x1a0 [ 427.721426] ? __bpf_prog_get+0x9b/0x290 [ 427.725491] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 427.730335] ? bpf_prog_test_run+0x130/0x1a0 [ 427.734836] ? __x64_sys_bpf+0x3d8/0x510 [ 427.739675] ? bpf_prog_get+0x20/0x20 [ 427.743497] ? do_syscall_64+0x1b9/0x820 [ 427.747563] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 427.752947] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.757886] ? trace_hardirqs_off+0x300/0x300 [ 427.762409] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 427.767446] ? recalc_sigpending_tsk+0x180/0x180 [ 427.772206] ? kasan_check_write+0x14/0x20 [ 427.776455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.781311] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 427.786704] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 427.786923] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.793925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.793936] Call Trace: [ 427.804425] syz-executor4 cpuset= [ 427.813785] [ 427.816364] syz4 [ 427.819822] dump_stack+0x1c4/0x2b4 [ 427.821944] mems_allowed=0 [ 427.823918] ? dump_stack_print_info.cold.2+0x52/0x52 [ 427.835667] warn_alloc.cold.118+0xb7/0x1bd [ 427.840003] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.844876] ? lock_downgrade+0x900/0x900 [ 427.849069] ? trace_hardirqs_off+0xb8/0x300 [ 427.853502] ? trace_hardirqs_off+0xb8/0x300 [ 427.857935] __alloc_pages_slowpath+0x2667/0x2d80 [ 427.862815] ? warn_alloc+0x120/0x120 [ 427.866628] ? warn_alloc+0x120/0x120 [ 427.870435] ? print_usage_bug+0xc0/0xc0 [ 427.874500] ? warn_alloc+0x120/0x120 [ 427.878305] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 427.883325] ? print_usage_bug+0xc0/0xc0 [ 427.887386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.892924] ? check_preemption_disabled+0x48/0x200 [ 427.897948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.903487] ? should_fail+0x22d/0xd01 [ 427.907379] ? __lock_acquire+0x7ec/0x4ec0 [ 427.911621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.916727] ? __lock_acquire+0x7ec/0x4ec0 [ 427.920971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.926072] ? __lock_acquire+0x7ec/0x4ec0 [ 427.930312] ? should_fail+0x22d/0xd01 [ 427.934219] ? mark_held_locks+0x130/0x130 [ 427.938462] ? mark_held_locks+0x130/0x130 [ 427.942711] ? graph_lock+0x170/0x170 [ 427.946519] ? print_usage_bug+0xc0/0xc0 [ 427.950588] ? find_held_lock+0x36/0x1c0 [ 427.954666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.960222] ? check_preemption_disabled+0x48/0x200 [ 427.965272] ? check_preemption_disabled+0x48/0x200 [ 427.970323] ? __lock_is_held+0xb5/0x140 [ 427.974406] __alloc_pages_nodemask+0xa80/0xde0 [ 427.979096] ? graph_lock+0x170/0x170 [ 427.982916] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 427.987956] ? graph_lock+0x170/0x170 [ 427.991885] ? find_held_lock+0x36/0x1c0 [ 427.996156] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.000842] ? lock_downgrade+0x900/0x900 [ 428.005005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.010557] cache_grow_begin+0x91/0x8c0 [ 428.014632] ? do_raw_spin_unlock+0xa7/0x2f0 [ 428.019053] fallback_alloc+0x203/0x2e0 [ 428.023036] ____cache_alloc_node+0x1c7/0x1e0 [ 428.027538] kmem_cache_alloc_node+0xe3/0x730 [ 428.032044] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.036289] __alloc_skb+0x119/0x770 [ 428.040005] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 428.045290] ? skb_scrub_packet+0x490/0x490 [ 428.049610] ? lock_downgrade+0x900/0x900 [ 428.053771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.059312] ? refcount_sub_and_test_checked+0x203/0x310 [ 428.064766] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 428.070229] ? addrconf_rs_timer+0x6f0/0x6f0 [ 428.074668] ndisc_alloc_skb+0x144/0x340 [ 428.078748] ndisc_send_rs+0x331/0x6e0 [ 428.082653] addrconf_rs_timer+0x3c0/0x6f0 [ 428.086895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.091144] call_timer_fn+0x272/0x920 [ 428.095032] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.099273] ? process_timeout+0x40/0x40 [ 428.103332] ? find_held_lock+0x36/0x1c0 [ 428.107403] ? mark_held_locks+0xc7/0x130 [ 428.111561] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.116066] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.120573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.124809] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 428.129397] ? trace_hardirqs_on+0xbd/0x310 [ 428.133719] ? kasan_check_read+0x11/0x20 [ 428.137871] ? __run_timers+0x7da/0xc70 [ 428.141844] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.147309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.151546] __run_timers+0x7e5/0xc70 [ 428.155369] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 428.160735] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.165756] ? graph_lock+0x170/0x170 [ 428.169565] ? print_usage_bug+0xc0/0xc0 [ 428.173634] ? lock_release+0x970/0x970 [ 428.177614] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.182810] ? find_held_lock+0x36/0x1c0 [ 428.186878] ? graph_lock+0x170/0x170 [ 428.190685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.196226] ? check_preemption_disabled+0x48/0x200 [ 428.201255] ? __lock_is_held+0xb5/0x140 [ 428.205319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.210855] ? check_preemption_disabled+0x48/0x200 [ 428.215896] run_timer_softirq+0x52/0xb0 [ 428.219962] ? rcu_read_lock_sched_held+0x108/0x120 [ 428.225004] __do_softirq+0x30b/0xad8 [ 428.228828] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 428.233947] ? pvclock_read_flags+0x160/0x160 [ 428.238456] ? lapic_next_event+0x5a/0x90 [ 428.242617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.248159] ? check_preemption_disabled+0x48/0x200 [ 428.253175] ? check_preemption_disabled+0x48/0x200 [ 428.258200] ? kvm_clock_read+0x18/0x30 [ 428.262173] ? kvm_sched_clock_read+0x9/0x20 [ 428.266593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.272133] ? check_preemption_disabled+0x48/0x200 [ 428.277161] irq_exit+0x17f/0x1c0 [ 428.280623] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.285466] ? smp_reschedule_interrupt+0x109/0x650 [ 428.290481] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.296364] ? interrupt_entry+0xb5/0xf0 [ 428.300429] ? trace_hardirqs_off_caller+0xbb/0x300 [ 428.305451] ? trace_hardirqs_off_caller+0xbb/0x300 [ 428.310466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.315309] ? trace_hardirqs_off+0x300/0x300 [ 428.319807] ? trace_hardirqs_off+0x300/0x300 [ 428.324305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.329840] ? check_preemption_disabled+0x48/0x200 [ 428.334941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.340486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.345339] apic_timer_interrupt+0xf/0x20 [ 428.349577] [ 428.351817] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 428.357102] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 428.376001] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 428.383712] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 428.390982] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 428.398254] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 428.405522] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 428.412790] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 428.420085] ? arch_local_irq_restore+0x45/0x52 [ 428.424769] dump_stack+0x26a/0x2b4 [ 428.428403] ? dump_stack_print_info.cold.2+0x52/0x52 [ 428.433605] ? mark_held_locks+0x130/0x130 [ 428.437842] ? mark_held_locks+0x130/0x130 [ 428.442085] dump_header+0x27b/0xf72 [ 428.445820] ? pagefault_out_of_memory+0x197/0x197 [ 428.450756] ? mark_held_locks+0x130/0x130 [ 428.454992] ? __lock_acquire+0x7ec/0x4ec0 [ 428.459236] ? print_usage_bug+0xc0/0xc0 [ 428.463307] ? graph_lock+0x170/0x170 [ 428.467126] ? graph_lock+0x170/0x170 [ 428.470926] ? print_usage_bug+0xc0/0xc0 [ 428.474984] ? print_usage_bug+0xc0/0xc0 [ 428.479057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.484611] ? find_held_lock+0x36/0x1c0 [ 428.488683] ? mark_held_locks+0xc7/0x130 [ 428.492834] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.497935] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.503037] ? lockdep_hardirqs_on+0x421/0x5c0 [ 428.507621] ? trace_hardirqs_on+0xbd/0x310 [ 428.511943] ? kasan_check_read+0x11/0x20 [ 428.516096] ? ___ratelimit+0x36f/0x655 [ 428.520077] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.525533] ? trace_hardirqs_on+0x310/0x310 [ 428.529948] ? lock_downgrade+0x900/0x900 [ 428.534111] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.539222] ? ___ratelimit+0xaa/0x655 [ 428.543114] ? idr_get_free+0xec0/0xec0 [ 428.547087] ? kasan_check_write+0x14/0x20 [ 428.551331] ? do_raw_spin_lock+0xc1/0x200 [ 428.555585] oom_kill_process.cold.27+0x10/0x903 [ 428.560347] ? graph_lock+0x170/0x170 [ 428.564156] ? _raw_spin_unlock+0x2c/0x50 [ 428.568305] ? oom_badness+0xe6/0xaa0 [ 428.572119] ? oom_evaluate_task+0x540/0x540 [ 428.576535] ? find_held_lock+0x36/0x1c0 [ 428.580619] ? out_of_memory+0x974/0x14c0 [ 428.584779] ? lock_downgrade+0x900/0x900 [ 428.588934] ? check_preemption_disabled+0x48/0x200 [ 428.593963] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 428.599764] ? kasan_check_read+0x11/0x20 [ 428.603919] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 428.609201] ? rcu_bh_qs+0xc0/0xc0 [ 428.612746] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.617973] ? oom_evaluate_task+0x302/0x540 [ 428.622390] out_of_memory+0xa86/0x14c0 [ 428.626375] ? oom_killer_disable+0x3a0/0x3a0 [ 428.630968] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 428.635906] ? __mutex_add_waiter+0x2a0/0x2a0 [ 428.640420] __alloc_pages_slowpath+0x2318/0x2d80 [ 428.645300] ? warn_alloc+0x120/0x120 [ 428.649110] ? lock_downgrade+0x900/0x900 [ 428.653264] ? print_usage_bug+0xc0/0xc0 [ 428.657324] ? warn_alloc+0x120/0x120 [ 428.661122] ? print_usage_bug+0xc0/0xc0 [ 428.665184] ? debug_check_no_obj_freed+0x305/0x58d [ 428.670202] ? print_usage_bug+0xc0/0xc0 [ 428.674264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.679801] ? should_fail+0x22d/0xd01 [ 428.683691] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.688793] ? __lock_acquire+0x7ec/0x4ec0 [ 428.693054] ? __lock_is_held+0xb5/0x140 [ 428.697126] ? graph_lock+0x170/0x170 [ 428.700933] ? ___might_sleep+0x1ed/0x300 [ 428.705084] ? lock_release+0x970/0x970 [ 428.709070] ? arch_local_save_flags+0x40/0x40 [ 428.713668] ? __might_sleep+0x95/0x190 [ 428.717652] __alloc_pages_nodemask+0xa80/0xde0 [ 428.722323] ? graph_lock+0x170/0x170 [ 428.726127] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 428.731138] ? graph_lock+0x170/0x170 [ 428.734955] ? mark_held_locks+0xc7/0x130 [ 428.739104] ? find_held_lock+0x36/0x1c0 [ 428.743263] ? cache_grow_begin+0x5a4/0x8c0 [ 428.747592] ? lockdep_hardirqs_on+0x421/0x5c0 [ 428.752176] ? trace_hardirqs_on+0xbd/0x310 [ 428.756503] ? fallback_alloc+0x203/0x2e0 [ 428.760654] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.766117] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 428.771660] cache_grow_begin+0x91/0x8c0 [ 428.776214] ? do_raw_spin_unlock+0xa7/0x2f0 [ 428.780634] fallback_alloc+0x203/0x2e0 [ 428.784618] ____cache_alloc_node+0x1c7/0x1e0 [ 428.789129] kmem_cache_alloc_node_trace+0xe7/0x740 [ 428.794159] __kmalloc_node_track_caller+0x33/0x70 [ 428.799097] __kmalloc_reserve.isra.39+0x41/0xe0 [ 428.803857] __alloc_skb+0x155/0x770 [ 428.807587] ? skb_scrub_packet+0x490/0x490 [ 428.811915] ? if_nlmsg_size+0x5d1/0xbb0 [ 428.815981] ? nla_put_ifalias+0x170/0x170 [ 428.820231] ? softnet_seq_show+0x470/0x470 [ 428.824554] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 428.829587] ? netif_tx_stop_all_queues+0xd9/0x110 [ 428.834524] rtmsg_ifinfo_build_skb+0x74/0x190 [ 428.839116] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 428.843966] rtmsg_ifinfo+0x8c/0xa0 [ 428.847604] dev_close_many+0x3be/0x860 [ 428.851595] ? unlist_netdevice+0x670/0x670 [ 428.855921] ? find_held_lock+0x36/0x1c0 [ 428.859989] ? __queue_work+0x6be/0x1440 [ 428.864050] ? lock_downgrade+0x900/0x900 [ 428.868246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.873780] ? rtnl_is_locked+0xb5/0xf0 [ 428.877753] ? rtnl_trylock+0x20/0x20 [ 428.881551] ? do_raw_spin_unlock+0xa7/0x2f0 [ 428.885967] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 428.890560] rollback_registered_many+0x56e/0x1240 [ 428.895506] ? generic_xdp_install+0x4c0/0x4c0 [ 428.900102] ? max_active_store+0x170/0x170 [ 428.904429] ? graph_lock+0x170/0x170 [ 428.908233] ? print_usage_bug+0xc0/0xc0 [ 428.912297] ? print_usage_bug+0xc0/0xc0 [ 428.916356] ? kfree_skbmem+0x154/0x230 [ 428.920336] ? graph_lock+0x170/0x170 [ 428.924139] ? print_usage_bug+0xc0/0xc0 [ 428.928201] ? find_held_lock+0x36/0x1c0 [ 428.932275] ? mark_held_locks+0xc7/0x130 [ 428.936429] rollback_registered+0x1e9/0x420 [ 428.940839] ? lockdep_hardirqs_on+0x351/0x5c0 [ 428.945423] ? rollback_registered_many+0x1240/0x1240 [ 428.950616] ? trace_hardirqs_on+0xbd/0x310 [ 428.954941] ? linkwatch_schedule_work+0x150/0x170 [ 428.959875] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.965332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.970870] ? rtnl_is_locked+0xb5/0xf0 [ 428.974848] ? rtnl_trylock+0x20/0x20 [ 428.978650] ? queue_delayed_work_on+0x130/0x1f0 [ 428.983416] unregister_netdevice_queue+0x321/0x5e0 [ 428.988438] ? rollback_registered+0x420/0x420 [ 428.993019] ? linkwatch_schedule_work+0x170/0x170 [ 428.997953] ? tun_show_owner+0x170/0x170 [ 429.002109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.007650] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 429.013011] ? __tun_detach+0x6ba/0x15c0 [ 429.017105] __tun_detach+0x11b8/0x15c0 [ 429.021085] ? __call_rcu.constprop.69+0x429/0xbc0 [ 429.026034] ? tun_attach+0x1770/0x1770 [ 429.030012] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.035547] ? check_preemption_disabled+0x48/0x200 [ 429.040588] ? graph_lock+0x170/0x170 [ 429.044395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.049933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.055472] ? locks_remove_file+0x3c6/0x5c0 [ 429.059882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.065423] ? ima_file_free+0x132/0x650 [ 429.069492] ? __lock_is_held+0xb5/0x140 [ 429.073555] ? __tun_detach+0x15c0/0x15c0 [ 429.077719] ? __tun_detach+0x15c0/0x15c0 [ 429.081863] tun_chr_close+0xe3/0x180 [ 429.085669] __fput+0x385/0xa30 [ 429.088954] ? get_max_files+0x20/0x20 [ 429.092847] ? ___might_sleep+0x1ed/0x300 [ 429.096995] ? arch_local_save_flags+0x40/0x40 [ 429.101590] ____fput+0x15/0x20 [ 429.104871] task_work_run+0x1e8/0x2a0 [ 429.108766] ? task_work_cancel+0x240/0x240 [ 429.113104] ? switch_task_namespaces+0xb8/0xd0 [ 429.117782] do_exit+0x1ad7/0x2610 [ 429.121333] ? mm_update_next_owner+0x990/0x990 [ 429.126002] ? print_usage_bug+0xc0/0xc0 [ 429.130119] ? __lock_acquire+0x7ec/0x4ec0 [ 429.134362] ? find_held_lock+0x36/0x1c0 [ 429.138441] ? __lock_acquire+0x7ec/0x4ec0 [ 429.142687] ? mark_held_locks+0x130/0x130 [ 429.146937] ? lock_acquire+0x1ed/0x520 [ 429.150931] ? mark_held_locks+0x130/0x130 [ 429.155167] ? arch_local_save_flags+0x40/0x40 [ 429.159751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.165307] ? __mutex_lock+0x872/0x1710 [ 429.169373] ? __switch_to_asm+0x40/0x70 [ 429.173433] ? __switch_to_asm+0x34/0x70 [ 429.177497] ? pipe_wait+0x266/0x2c0 [ 429.181219] ? mutex_trylock+0x2b0/0x2b0 [ 429.185296] ? graph_lock+0x170/0x170 [ 429.189099] ? find_held_lock+0x36/0x1c0 [ 429.193162] ? memset+0x31/0x40 [ 429.196447] ? find_held_lock+0x36/0x1c0 [ 429.200534] ? get_signal+0x95b/0x1980 [ 429.204431] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.208927] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.213433] do_group_exit+0x177/0x440 [ 429.217324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.222774] ? __ia32_sys_exit+0x50/0x50 [ 429.226847] get_signal+0x8b0/0x1980 [ 429.230580] ? ptrace_notify+0x130/0x130 [ 429.234650] ? finish_wait+0x430/0x430 [ 429.238541] ? graph_lock+0x170/0x170 [ 429.242362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.247905] ? pipe_read+0x702/0x940 [ 429.251628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.257181] do_signal+0x9c/0x21e0 [ 429.260732] ? __vfs_read+0x11f/0x9b0 [ 429.264545] ? vfs_copy_file_range+0xb90/0xb90 [ 429.269139] ? setup_sigcontext+0x7d0/0x7d0 [ 429.273486] ? exit_to_usermode_loop+0x8c/0x380 [ 429.278178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.283726] exit_to_usermode_loop+0x2e5/0x380 [ 429.288313] ? syscall_slow_exit_work+0x520/0x520 [ 429.293158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.298710] do_syscall_64+0x6be/0x820 [ 429.302609] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 429.307978] ? syscall_return_slowpath+0x5e0/0x5e0 [ 429.312913] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.317757] ? trace_hardirqs_off+0x300/0x300 [ 429.322261] ? prepare_exit_to_usermode+0x291/0x3b0 [ 429.327293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.332145] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 429.337332] RIP: 0033:0x410e10 [ 429.340530] Code: Bad RIP value. [ 429.343895] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 429.351606] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 429.358872] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 429.366143] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 429.373413] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 429.380678] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 429.387977] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 429.387983] warn_alloc_show_mem: 1 callbacks suppressed [ 429.387990] Mem-Info: [ 429.395268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.400637] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 429.400637] active_file:19 inactive_file:16 isolated_file:0 [ 429.400637] unevictable:0 dirty:0 writeback:0 unstable:0 [ 429.400637] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 429.400637] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 429.400637] free:13785 free_pcp:397 free_cma:0 [ 429.403008] Call Trace: [ 429.412397] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 429.445153] [ 429.447723] Node 0 [ 429.475314] dump_stack+0x1c4/0x2b4 [ 429.477464] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 429.479683] ? dump_stack_print_info.cold.2+0x52/0x52 [ 429.483281] lowmem_reserve[]: [ 429.508787] warn_alloc.cold.118+0xb7/0x1bd [ 429.513944] 0 [ 429.517045] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.521337] 2815 [ 429.523135] ? lock_downgrade+0x900/0x900 [ 429.527948] 6318 [ 429.530015] ? trace_hardirqs_off+0xb8/0x300 [ 429.534130] 6318 [ 429.536188] ? trace_hardirqs_off+0xb8/0x300 [ 429.542634] __alloc_pages_slowpath+0x2667/0x2d80 [ 429.547011] Node 0 DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 429.551876] ? warn_alloc+0x120/0x120 [ 429.551896] ? warn_alloc+0x120/0x120 [ 429.579277] lowmem_reserve[]: 0 [ 429.583092] ? print_usage_bug+0xc0/0xc0 [ 429.586866] 0 [ 429.590140] ? warn_alloc+0x120/0x120 [ 429.594172] 3503 [ 429.595968] ? print_usage_bug+0xc0/0xc0 [ 429.599743] 3503 [ 429.601802] ? graph_lock+0x170/0x170 [ 429.607900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.611674] Node 0 [ 429.617200] ? should_fail+0x22d/0xd01 [ 429.617237] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 429.619440] ? __lock_acquire+0x7ec/0x4ec0 [ 429.623302] lowmem_reserve[]: [ 429.652328] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.656537] 0 [ 429.659637] ? __lock_acquire+0x7ec/0x4ec0 [ 429.664716] 0 [ 429.666517] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.670726] 0 [ 429.672520] ? __lock_acquire+0x7ec/0x4ec0 [ 429.677594] 0 [ 429.679399] ? should_fail+0x22d/0xd01 [ 429.683608] Node 0 [ 429.685414] ? mark_held_locks+0x130/0x130 [ 429.689267] DMA: [ 429.691496] ? mark_held_locks+0x130/0x130 [ 429.695706] 1*4kB [ 429.697766] ? try_to_wake_up+0x10a/0x12f0 [ 429.701972] (U) [ 429.704898] ? graph_lock+0x170/0x170 [ 429.709113] 0*8kB [ 429.711087] ? print_usage_bug+0xc0/0xc0 [ 429.714864] 0*16kB [ 429.717011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.721049] 1*32kB [ 429.723282] ? check_preemption_disabled+0x48/0x200 [ 429.728786] (U) 2*64kB [ 429.731025] ? check_preemption_disabled+0x48/0x200 [ 429.736005] (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 429.736042] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 3*16kB (UM) 3*32kB (UM) 2*64kB (UM) 5*128kB (UM) 3*256kB (M) 4*512kB (M) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25252kB [ 429.736110] Node 0 Normal: 1016*4kB (UME) 348*8kB (UME) 167*16kB (UME) 68*32kB (UME) 21*64kB (M) 6*128kB (UM) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14064kB [ 429.736171] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 429.736177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 429.736180] 503 total pagecache pages [ 429.736191] 0 pages in swap cache [ 429.736196] Swap cache stats: add 0, delete 0, find 0/0 [ 429.736199] Free swap = 0kB [ 429.736201] Total swap = 0kB [ 429.736205] 1965979 pages RAM [ 429.736208] 0 pages HighMem/MovableOnly [ 429.736211] 343324 pages reserved [ 429.736213] 0 pages cma reserved [ 429.736281] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 429.736333] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.736338] syz-executor2 cpuset=syz2 mems_allowed=0 [ 429.855048] ? __lock_is_held+0xb5/0x140 [ 429.859118] __alloc_pages_nodemask+0xa80/0xde0 [ 429.863789] ? graph_lock+0x170/0x170 [ 429.867611] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 429.872628] ? graph_lock+0x170/0x170 [ 429.876440] ? find_held_lock+0x36/0x1c0 [ 429.880510] ? ____cache_alloc_node+0x1c7/0x1e0 [ 429.885182] ? lock_downgrade+0x900/0x900 [ 429.889341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.894905] cache_grow_begin+0x91/0x8c0 [ 429.898968] ? do_raw_spin_unlock+0xa7/0x2f0 [ 429.903385] fallback_alloc+0x203/0x2e0 [ 429.907368] ____cache_alloc_node+0x1c7/0x1e0 [ 429.911878] kmem_cache_alloc_node+0xe3/0x730 [ 429.916373] ? ipv6_get_ifaddr+0x42e/0x620 [ 429.920624] __alloc_skb+0x119/0x770 [ 429.924342] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.929627] ? skb_scrub_packet+0x490/0x490 [ 429.934124] ? lock_downgrade+0x900/0x900 [ 429.938281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.943824] ? refcount_sub_and_test_checked+0x203/0x310 [ 429.949278] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 429.954732] ? addrconf_rs_timer+0x6f0/0x6f0 [ 429.959157] ndisc_alloc_skb+0x144/0x340 [ 429.963225] ndisc_send_rs+0x331/0x6e0 [ 429.967125] addrconf_rs_timer+0x3c0/0x6f0 [ 429.971381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.975639] call_timer_fn+0x272/0x920 [ 429.979527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.983767] ? process_timeout+0x40/0x40 [ 429.987826] ? find_held_lock+0x36/0x1c0 [ 429.991896] ? __run_timers+0x7da/0xc70 [ 429.995873] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.000369] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.004865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.009100] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 430.013686] ? trace_hardirqs_on+0xbd/0x310 [ 430.018007] ? kasan_check_read+0x11/0x20 [ 430.022159] ? __run_timers+0x7da/0xc70 [ 430.026139] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.031608] ? work_on_cpu_safe+0x90/0x90 [ 430.035762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.039999] __run_timers+0x7e5/0xc70 [ 430.043814] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 430.049178] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.054195] ? graph_lock+0x170/0x170 [ 430.058001] ? enqueue_hrtimer+0x1a5/0x560 [ 430.062233] ? lock_release+0x970/0x970 [ 430.066223] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 430.071419] ? find_held_lock+0x36/0x1c0 [ 430.075485] ? graph_lock+0x170/0x170 [ 430.079287] ? pvclock_read_flags+0x160/0x160 [ 430.083785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.089323] ? check_preemption_disabled+0x48/0x200 [ 430.094351] ? __lock_is_held+0xb5/0x140 [ 430.098412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.103947] ? check_preemption_disabled+0x48/0x200 [ 430.108973] run_timer_softirq+0x52/0xb0 [ 430.113034] ? rcu_read_lock_sched_held+0x108/0x120 [ 430.118052] __do_softirq+0x30b/0xad8 [ 430.121868] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 430.126975] ? pvclock_read_flags+0x160/0x160 [ 430.131466] ? lapic_next_event+0x5a/0x90 [ 430.135626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.141159] ? check_preemption_disabled+0x48/0x200 [ 430.146175] ? check_preemption_disabled+0x48/0x200 [ 430.151196] ? kvm_clock_read+0x18/0x30 [ 430.155174] ? kvm_sched_clock_read+0x9/0x20 [ 430.159604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.165142] ? check_preemption_disabled+0x48/0x200 [ 430.170171] irq_exit+0x17f/0x1c0 [ 430.173634] smp_apic_timer_interrupt+0x1cb/0x760 [ 430.178481] ? smp_reschedule_interrupt+0x109/0x650 [ 430.183502] ? smp_call_function_single_interrupt+0x650/0x650 [ 430.189388] ? interrupt_entry+0xb5/0xf0 [ 430.193449] ? trace_hardirqs_off_caller+0xbb/0x300 [ 430.198462] ? trace_hardirqs_off_caller+0xbb/0x300 [ 430.203479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.208321] ? trace_hardirqs_off+0x300/0x300 [ 430.212817] ? trace_hardirqs_off+0x300/0x300 [ 430.217314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.222854] ? check_preemption_disabled+0x48/0x200 [ 430.227870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.233417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.238268] apic_timer_interrupt+0xf/0x20 [ 430.242496] [ 430.244737] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 430.249669] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 430.268578] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 430.276296] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 430.283560] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 430.290840] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 430.298104] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 430.305372] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 430.312691] skb_clone+0x1bb/0x500 [ 430.316238] ? skb_split+0x11e0/0x11e0 [ 430.320318] ? preempt_notifier_register+0x200/0x200 [ 430.325423] ? __switch_to_asm+0x34/0x70 [ 430.329488] ? __switch_to_asm+0x34/0x70 [ 430.333549] ? __switch_to_asm+0x40/0x70 [ 430.337621] ? __switch_to_asm+0x34/0x70 [ 430.341678] ? __switch_to_asm+0x40/0x70 [ 430.345741] ? __switch_to_asm+0x40/0x70 [ 430.349799] ? __switch_to_asm+0x34/0x70 [ 430.353858] ? __switch_to_asm+0x34/0x70 [ 430.357921] ? __switch_to_asm+0x40/0x70 [ 430.361980] ? __switch_to_asm+0x34/0x70 [ 430.366052] bpf_clone_redirect+0xb9/0x490 [ 430.370297] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 430.375319] ? __sched_text_start+0x8/0x8 [ 430.379470] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 430.384239] ? find_held_lock+0x36/0x1c0 [ 430.388308] ? lock_acquire+0x1ed/0x520 [ 430.392279] ? bpf_test_run+0x32e/0x5a0 [ 430.396258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.401800] ? check_preemption_disabled+0x48/0x200 [ 430.406827] ? kasan_check_read+0x11/0x20 [ 430.411000] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 430.416279] ? rcu_bh_qs+0xc0/0xc0 [ 430.419826] ? preempt_schedule+0x4d/0x60 [ 430.423974] ? ___preempt_schedule+0x16/0x18 [ 430.428407] ? bpf_test_run+0x1c0/0x5a0 [ 430.432388] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 430.437236] ? netlink_diag_dump+0x2a0/0x2a0 [ 430.441648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.447181] ? bpf_test_init.isra.9+0x70/0x100 [ 430.451766] ? bpf_prog_test_run_skb+0x634/0xb40 [ 430.456529] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 430.461369] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.466903] ? fput+0x130/0x1a0 [ 430.470186] ? __bpf_prog_get+0x9b/0x290 [ 430.474254] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 430.479094] ? bpf_prog_test_run+0x130/0x1a0 [ 430.483511] ? __x64_sys_bpf+0x3d8/0x510 [ 430.487585] ? bpf_prog_get+0x20/0x20 [ 430.491415] ? do_syscall_64+0x1b9/0x820 [ 430.495490] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 430.500859] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.505791] ? trace_hardirqs_off+0x300/0x300 [ 430.510633] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 430.515648] ? recalc_sigpending_tsk+0x180/0x180 [ 430.520404] ? kasan_check_write+0x14/0x20 [ 430.524645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.529495] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 430.534877] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 430.534964] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 430.542067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.542075] Call Trace: [ 430.548670] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.557904] [ 430.560479] syz-executor4 cpuset= [ 430.570958] dump_stack+0x1c4/0x2b4 [ 430.573081] syz4 [ 430.576528] ? dump_stack_print_info.cold.2+0x52/0x52 [ 430.580131] mems_allowed=0 [ 430.582112] warn_alloc.cold.118+0xb7/0x1bd [ 430.594491] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.599337] ? lock_downgrade+0x900/0x900 [ 430.603493] ? trace_hardirqs_off+0xb8/0x300 [ 430.607909] ? trace_hardirqs_off+0xb8/0x300 [ 430.612329] __alloc_pages_slowpath+0x2667/0x2d80 [ 430.617205] ? warn_alloc+0x120/0x120 [ 430.621013] ? warn_alloc+0x120/0x120 [ 430.624818] ? print_usage_bug+0xc0/0xc0 [ 430.628881] ? warn_alloc+0x120/0x120 [ 430.632682] ? lock_release+0x970/0x970 [ 430.636656] ? print_usage_bug+0xc0/0xc0 [ 430.640718] ? __lock_acquire+0x7ec/0x4ec0 [ 430.644955] ? __lock_acquire+0x7ec/0x4ec0 [ 430.649193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.654735] ? should_fail+0x22d/0xd01 [ 430.658630] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.663732] ? __lock_acquire+0x7ec/0x4ec0 [ 430.667974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.673078] ? __lock_acquire+0x7ec/0x4ec0 [ 430.677313] ? should_fail+0x22d/0xd01 [ 430.681209] ? mark_held_locks+0x130/0x130 [ 430.685447] ? mark_held_locks+0x130/0x130 [ 430.689681] ? kvm_clock_read+0x18/0x30 [ 430.693657] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 430.698685] ? ktime_get+0x2e1/0x440 [ 430.702399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.707937] ? graph_lock+0x170/0x170 [ 430.711767] ? print_usage_bug+0xc0/0xc0 [ 430.715924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.721463] ? check_preemption_disabled+0x48/0x200 [ 430.726478] ? check_preemption_disabled+0x48/0x200 [ 430.731506] ? __lock_is_held+0xb5/0x140 [ 430.735594] __alloc_pages_nodemask+0xa80/0xde0 [ 430.740268] ? graph_lock+0x170/0x170 [ 430.744076] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 430.749105] ? graph_lock+0x170/0x170 [ 430.752926] ? find_held_lock+0x36/0x1c0 [ 430.757012] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.761716] ? lock_downgrade+0x900/0x900 [ 430.765889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.771440] cache_grow_begin+0x91/0x8c0 [ 430.775958] ? do_raw_spin_unlock+0xa7/0x2f0 [ 430.780381] fallback_alloc+0x203/0x2e0 [ 430.784365] ____cache_alloc_node+0x1c7/0x1e0 [ 430.788870] kmem_cache_alloc_node+0xe3/0x730 [ 430.793367] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.797620] __alloc_skb+0x119/0x770 [ 430.801339] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 430.806620] ? skb_scrub_packet+0x490/0x490 [ 430.810944] ? lock_downgrade+0x900/0x900 [ 430.815117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.820662] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.826126] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.831588] ? addrconf_rs_timer+0x6f0/0x6f0 [ 430.836017] ndisc_alloc_skb+0x144/0x340 [ 430.840082] ndisc_send_rs+0x331/0x6e0 [ 430.843984] addrconf_rs_timer+0x3c0/0x6f0 [ 430.848238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.852484] call_timer_fn+0x272/0x920 [ 430.856374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.860630] ? process_timeout+0x40/0x40 [ 430.864692] ? find_held_lock+0x36/0x1c0 [ 430.868764] ? mark_held_locks+0xc7/0x130 [ 430.872916] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.877411] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.881908] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.886141] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 430.890724] ? trace_hardirqs_on+0xbd/0x310 [ 430.895045] ? kasan_check_read+0x11/0x20 [ 430.899192] ? __run_timers+0x7da/0xc70 [ 430.903170] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.908626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.912869] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.917107] __run_timers+0x7e5/0xc70 [ 430.920926] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 430.926294] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.931308] ? graph_lock+0x170/0x170 [ 430.935117] ? print_usage_bug+0xc0/0xc0 [ 430.939178] ? lock_release+0x970/0x970 [ 430.943158] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 430.948353] ? find_held_lock+0x36/0x1c0 [ 430.952417] ? graph_lock+0x170/0x170 [ 430.956223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.961758] ? check_preemption_disabled+0x48/0x200 [ 430.966789] ? __lock_is_held+0xb5/0x140 [ 430.970852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.976386] ? check_preemption_disabled+0x48/0x200 [ 430.981413] run_timer_softirq+0x52/0xb0 [ 430.985474] ? rcu_read_lock_sched_held+0x108/0x120 [ 430.990489] __do_softirq+0x30b/0xad8 [ 430.994306] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 430.999417] ? pvclock_read_flags+0x160/0x160 [ 431.003915] ? lapic_next_event+0x5a/0x90 [ 431.008070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.013610] ? check_preemption_disabled+0x48/0x200 [ 431.018624] ? check_preemption_disabled+0x48/0x200 [ 431.023739] ? kvm_clock_read+0x18/0x30 [ 431.027712] ? kvm_sched_clock_read+0x9/0x20 [ 431.032125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.037662] ? check_preemption_disabled+0x48/0x200 [ 431.042693] irq_exit+0x17f/0x1c0 [ 431.046151] smp_apic_timer_interrupt+0x1cb/0x760 [ 431.050990] ? smp_reschedule_interrupt+0x109/0x650 [ 431.056024] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.061913] ? interrupt_entry+0xb5/0xf0 [ 431.065979] ? trace_hardirqs_off_caller+0xbb/0x300 [ 431.070994] ? trace_hardirqs_off_caller+0xbb/0x300 [ 431.076015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.080863] ? trace_hardirqs_off+0x300/0x300 [ 431.085354] ? trace_hardirqs_off+0x300/0x300 [ 431.089850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.095413] ? check_preemption_disabled+0x48/0x200 [ 431.100433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.105977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.110832] apic_timer_interrupt+0xf/0x20 [ 431.115062] [ 431.117309] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 431.122592] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 431.141491] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 431.149208] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 431.156476] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 431.163747] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 431.171012] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 431.178289] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 431.185603] ? arch_local_irq_restore+0x45/0x52 [ 431.190290] dump_stack+0x26a/0x2b4 [ 431.193924] ? dump_stack_print_info.cold.2+0x52/0x52 [ 431.199128] ? mark_held_locks+0x130/0x130 [ 431.203366] ? mark_held_locks+0x130/0x130 [ 431.207615] dump_header+0x27b/0xf72 [ 431.211347] ? pagefault_out_of_memory+0x197/0x197 [ 431.216280] ? mark_held_locks+0x130/0x130 [ 431.220518] ? __lock_acquire+0x7ec/0x4ec0 [ 431.224756] ? print_usage_bug+0xc0/0xc0 [ 431.228827] ? graph_lock+0x170/0x170 [ 431.232629] ? graph_lock+0x170/0x170 [ 431.236433] ? print_usage_bug+0xc0/0xc0 [ 431.240493] ? print_usage_bug+0xc0/0xc0 [ 431.244562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.250119] ? find_held_lock+0x36/0x1c0 [ 431.254188] ? mark_held_locks+0xc7/0x130 [ 431.258340] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.263442] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.268544] ? lockdep_hardirqs_on+0x421/0x5c0 [ 431.273139] ? trace_hardirqs_on+0xbd/0x310 [ 431.277456] ? kasan_check_read+0x11/0x20 [ 431.281607] ? ___ratelimit+0x36f/0x655 [ 431.285609] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.291059] ? trace_hardirqs_on+0x310/0x310 [ 431.295470] ? lock_downgrade+0x900/0x900 [ 431.299625] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.304734] ? ___ratelimit+0xaa/0x655 [ 431.308630] ? idr_get_free+0xec0/0xec0 [ 431.312604] ? kasan_check_write+0x14/0x20 [ 431.316843] ? do_raw_spin_lock+0xc1/0x200 [ 431.321086] oom_kill_process.cold.27+0x10/0x903 [ 431.325849] ? graph_lock+0x170/0x170 [ 431.329651] ? _raw_spin_unlock+0x2c/0x50 [ 431.333800] ? oom_badness+0xe6/0xaa0 [ 431.337692] ? oom_evaluate_task+0x540/0x540 [ 431.342109] ? find_held_lock+0x36/0x1c0 [ 431.346181] ? out_of_memory+0x974/0x14c0 [ 431.350329] ? lock_downgrade+0x900/0x900 [ 431.354473] ? check_preemption_disabled+0x48/0x200 [ 431.359494] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 431.365290] ? kasan_check_read+0x11/0x20 [ 431.369438] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 431.374719] ? rcu_bh_qs+0xc0/0xc0 [ 431.378265] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 431.383279] ? oom_evaluate_task+0x302/0x540 [ 431.387692] out_of_memory+0xa86/0x14c0 [ 431.391675] ? oom_killer_disable+0x3a0/0x3a0 [ 431.396172] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 431.401105] ? __mutex_add_waiter+0x2a0/0x2a0 [ 431.405616] __alloc_pages_slowpath+0x2318/0x2d80 [ 431.410495] ? warn_alloc+0x120/0x120 [ 431.414300] ? lock_downgrade+0x900/0x900 [ 431.418452] ? print_usage_bug+0xc0/0xc0 [ 431.422512] ? warn_alloc+0x120/0x120 [ 431.426313] ? print_usage_bug+0xc0/0xc0 [ 431.430378] ? debug_check_no_obj_freed+0x305/0x58d [ 431.435397] ? print_usage_bug+0xc0/0xc0 [ 431.439463] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.445011] ? should_fail+0x22d/0xd01 [ 431.448905] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.454009] ? __lock_acquire+0x7ec/0x4ec0 [ 431.458278] ? __lock_is_held+0xb5/0x140 [ 431.462352] ? graph_lock+0x170/0x170 [ 431.466163] ? ___might_sleep+0x1ed/0x300 [ 431.470348] ? lock_release+0x970/0x970 [ 431.474332] ? arch_local_save_flags+0x40/0x40 [ 431.478942] ? __might_sleep+0x95/0x190 [ 431.482933] __alloc_pages_nodemask+0xa80/0xde0 [ 431.487614] ? graph_lock+0x170/0x170 [ 431.491424] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 431.496438] ? graph_lock+0x170/0x170 [ 431.500252] ? mark_held_locks+0xc7/0x130 [ 431.504398] ? find_held_lock+0x36/0x1c0 [ 431.508466] ? cache_grow_begin+0x5a4/0x8c0 [ 431.512787] ? lockdep_hardirqs_on+0x421/0x5c0 [ 431.517371] ? trace_hardirqs_on+0xbd/0x310 [ 431.521696] ? fallback_alloc+0x203/0x2e0 [ 431.525853] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.531308] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 431.536854] cache_grow_begin+0x91/0x8c0 [ 431.540920] ? do_raw_spin_unlock+0xa7/0x2f0 [ 431.545341] fallback_alloc+0x203/0x2e0 [ 431.549326] ____cache_alloc_node+0x1c7/0x1e0 [ 431.553831] kmem_cache_alloc_node_trace+0xe7/0x740 [ 431.558860] __kmalloc_node_track_caller+0x33/0x70 [ 431.563798] __kmalloc_reserve.isra.39+0x41/0xe0 [ 431.568562] __alloc_skb+0x155/0x770 [ 431.572293] ? skb_scrub_packet+0x490/0x490 [ 431.576616] ? if_nlmsg_size+0x5d1/0xbb0 [ 431.580861] ? nla_put_ifalias+0x170/0x170 [ 431.585112] ? softnet_seq_show+0x470/0x470 [ 431.589437] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 431.594457] ? netif_tx_stop_all_queues+0xd9/0x110 [ 431.599394] rtmsg_ifinfo_build_skb+0x74/0x190 [ 431.603987] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 431.608848] rtmsg_ifinfo+0x8c/0xa0 [ 431.612485] dev_close_many+0x3be/0x860 [ 431.616468] ? unlist_netdevice+0x670/0x670 [ 431.620792] ? find_held_lock+0x36/0x1c0 [ 431.624866] ? __queue_work+0x6be/0x1440 [ 431.628926] ? lock_downgrade+0x900/0x900 [ 431.633082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.638623] ? rtnl_is_locked+0xb5/0xf0 [ 431.642607] ? rtnl_trylock+0x20/0x20 [ 431.647007] ? do_raw_spin_unlock+0xa7/0x2f0 [ 431.651421] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 431.656009] rollback_registered_many+0x56e/0x1240 [ 431.660949] ? generic_xdp_install+0x4c0/0x4c0 [ 431.665540] ? max_active_store+0x170/0x170 [ 431.669873] ? graph_lock+0x170/0x170 [ 431.673677] ? print_usage_bug+0xc0/0xc0 [ 431.677738] ? print_usage_bug+0xc0/0xc0 [ 431.681798] ? kfree_skbmem+0x154/0x230 [ 431.685777] ? graph_lock+0x170/0x170 [ 431.689589] ? print_usage_bug+0xc0/0xc0 [ 431.693662] ? find_held_lock+0x36/0x1c0 [ 431.697735] ? mark_held_locks+0xc7/0x130 [ 431.701892] rollback_registered+0x1e9/0x420 [ 431.706303] ? lockdep_hardirqs_on+0x351/0x5c0 [ 431.710886] ? rollback_registered_many+0x1240/0x1240 [ 431.716076] ? trace_hardirqs_on+0xbd/0x310 [ 431.720407] ? linkwatch_schedule_work+0x150/0x170 [ 431.725338] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.730795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.736325] ? rtnl_is_locked+0xb5/0xf0 [ 431.740293] ? rtnl_trylock+0x20/0x20 [ 431.744106] ? queue_delayed_work_on+0x130/0x1f0 [ 431.748869] unregister_netdevice_queue+0x321/0x5e0 [ 431.753893] ? rollback_registered+0x420/0x420 [ 431.758475] ? linkwatch_schedule_work+0x170/0x170 [ 431.763410] ? tun_show_owner+0x170/0x170 [ 431.767563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.773119] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 431.778485] ? __tun_detach+0x6ba/0x15c0 [ 431.782553] __tun_detach+0x11b8/0x15c0 [ 431.786534] ? __call_rcu.constprop.69+0x429/0xbc0 [ 431.791472] ? tun_attach+0x1770/0x1770 [ 431.795446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.800981] ? check_preemption_disabled+0x48/0x200 [ 431.806007] ? graph_lock+0x170/0x170 [ 431.809830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.815368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.820903] ? locks_remove_file+0x3c6/0x5c0 [ 431.825314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.830851] ? ima_file_free+0x132/0x650 [ 431.834920] ? __lock_is_held+0xb5/0x140 [ 431.838990] ? __tun_detach+0x15c0/0x15c0 [ 431.843144] ? __tun_detach+0x15c0/0x15c0 [ 431.847288] tun_chr_close+0xe3/0x180 [ 431.851098] __fput+0x385/0xa30 [ 431.854393] ? get_max_files+0x20/0x20 [ 431.858288] ? ___might_sleep+0x1ed/0x300 [ 431.862438] ? arch_local_save_flags+0x40/0x40 [ 431.867031] ____fput+0x15/0x20 [ 431.870311] task_work_run+0x1e8/0x2a0 [ 431.874204] ? task_work_cancel+0x240/0x240 [ 431.878534] ? switch_task_namespaces+0xb8/0xd0 [ 431.883211] do_exit+0x1ad7/0x2610 [ 431.886771] ? mm_update_next_owner+0x990/0x990 [ 431.891441] ? print_usage_bug+0xc0/0xc0 [ 431.895508] ? __lock_acquire+0x7ec/0x4ec0 [ 431.899748] ? find_held_lock+0x36/0x1c0 [ 431.903819] ? __lock_acquire+0x7ec/0x4ec0 [ 431.908054] ? mark_held_locks+0x130/0x130 [ 431.912292] ? lock_acquire+0x1ed/0x520 [ 431.916272] ? mark_held_locks+0x130/0x130 [ 431.920509] ? arch_local_save_flags+0x40/0x40 [ 431.925089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.930654] ? __mutex_lock+0x872/0x1710 [ 431.934718] ? __switch_to_asm+0x40/0x70 [ 431.938782] ? __switch_to_asm+0x34/0x70 [ 431.942843] ? pipe_wait+0x266/0x2c0 [ 431.946562] ? mutex_trylock+0x2b0/0x2b0 [ 431.950653] ? graph_lock+0x170/0x170 [ 431.954452] ? find_held_lock+0x36/0x1c0 [ 431.958521] ? memset+0x31/0x40 [ 431.961807] ? find_held_lock+0x36/0x1c0 [ 431.965878] ? get_signal+0x95b/0x1980 [ 431.969771] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.974267] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.978773] do_group_exit+0x177/0x440 [ 431.982668] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.988122] ? __ia32_sys_exit+0x50/0x50 [ 431.992197] get_signal+0x8b0/0x1980 [ 431.995923] ? ptrace_notify+0x130/0x130 [ 431.999989] ? finish_wait+0x430/0x430 [ 432.003880] ? graph_lock+0x170/0x170 [ 432.007691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.013230] ? pipe_read+0x702/0x940 [ 432.016949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.022497] do_signal+0x9c/0x21e0 [ 432.026039] ? __vfs_read+0x11f/0x9b0 [ 432.029848] ? vfs_copy_file_range+0xb90/0xb90 [ 432.034430] ? setup_sigcontext+0x7d0/0x7d0 [ 432.038787] ? exit_to_usermode_loop+0x8c/0x380 [ 432.043475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.049034] exit_to_usermode_loop+0x2e5/0x380 [ 432.053627] ? syscall_slow_exit_work+0x520/0x520 [ 432.058474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.064024] do_syscall_64+0x6be/0x820 [ 432.067917] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 432.073283] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.078210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.083061] ? trace_hardirqs_off+0x300/0x300 [ 432.087566] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.092606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.097464] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 432.102651] RIP: 0033:0x410e10 [ 432.105847] Code: Bad RIP value. [ 432.109206] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 432.116918] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 432.124186] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 432.131453] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 432.138718] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 432.145982] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 432.153276] warn_alloc_show_mem: 1 callbacks suppressed [ 432.153288] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 432.153290] Mem-Info: [ 432.153320] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 432.153320] active_file:19 inactive_file:16 isolated_file:0 [ 432.153320] unevictable:0 dirty:0 writeback:0 unstable:0 [ 432.153320] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 432.153320] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 432.153320] free:13785 free_pcp:397 free_cma:0 [ 432.158668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.165942] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 432.168338] Call Trace: [ 432.201133] Node 0 [ 432.210491] [ 432.238087] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 432.240657] dump_stack+0x1c4/0x2b4 [ 432.242862] lowmem_reserve[]: [ 432.245010] ? dump_stack_print_info.cold.2+0x52/0x52 [ 432.270497] 0 [ 432.274146] warn_alloc.cold.118+0xb7/0x1bd [ 432.277208] 2815 [ 432.282405] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.284179] 6318 [ 432.288493] ? lock_downgrade+0x900/0x900 [ 432.290529] 6318 [ 432.295381] ? trace_hardirqs_off+0xb8/0x300 [ 432.297415] Node 0 [ 432.301561] ? trace_hardirqs_off+0xb8/0x300 [ 432.303625] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 432.303633] lowmem_reserve[]: [ 432.308045] __alloc_pages_slowpath+0x2667/0x2d80 [ 432.310242] 0 0 [ 432.314683] ? warn_alloc+0x120/0x120 [ 432.341350] 3503 3503 [ 432.344471] ? trace_hardirqs_on+0x310/0x310 [ 432.351266] ? warn_alloc+0x120/0x120 [ 432.355044] Node 0 [ 432.357537] ? print_usage_bug+0xc0/0xc0 [ 432.361940] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 432.365705] ? warn_alloc+0x120/0x120 [ 432.367919] lowmem_reserve[]: [ 432.371974] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 432.400485] 0 [ 432.404279] ? print_usage_bug+0xc0/0xc0 [ 432.407358] 0 [ 432.412367] ? __lock_acquire+0x7ec/0x4ec0 [ 432.414147] 0 [ 432.418200] ? __lock_acquire+0x7ec/0x4ec0 [ 432.419981] 0 [ 432.424212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.430216] ? should_fail+0x22d/0xd01 [ 432.431994] Node 0 [ 432.437525] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.441382] DMA: [ 432.443617] ? __lock_acquire+0x7ec/0x4ec0 [ 432.448694] 1*4kB [ 432.450753] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.454956] (U) [ 432.457096] ? __lock_acquire+0x7ec/0x4ec0 [ 432.462172] 0*8kB 0*16kB [ 432.464154] ? should_fail+0x22d/0xd01 [ 432.468359] 1*32kB [ 432.471107] ? print_usage_bug+0xc0/0xc0 [ 432.471131] ? mark_held_locks+0x130/0x130 [ 432.474986] (U) [ 432.477216] ? mark_held_locks+0x130/0x130 [ 432.481251] 2*64kB [ 432.485480] ? graph_lock+0x170/0x170 [ 432.487428] (U) [ 432.491653] ? print_usage_bug+0xc0/0xc0 [ 432.493865] 1*128kB [ 432.497663] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.499611] (U) [ 432.503663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.505961] 1*256kB [ 432.510705] ? check_preemption_disabled+0x48/0x200 [ 432.512654] (U) [ 432.518179] ? check_preemption_disabled+0x48/0x200 [ 432.520478] 0*512kB [ 432.525494] ? __lock_is_held+0xb5/0x140 [ 432.527439] 1*1024kB [ 432.532449] __alloc_pages_nodemask+0xa80/0xde0 [ 432.534744] (U) [ 432.538794] ? graph_lock+0x170/0x170 [ 432.541182] 1*2048kB [ 432.545846] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 432.547800] (M) [ 432.551605] ? graph_lock+0x170/0x170 [ 432.553987] 3*4096kB [ 432.559002] ? find_held_lock+0x36/0x1c0 [ 432.560946] (M) [ 432.564745] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.567126] = 15908kB [ 432.571180] ? lock_downgrade+0x900/0x900 [ 432.573177] Node 0 [ 432.577846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.580223] DMA32: [ 432.584365] cache_grow_begin+0x91/0x8c0 [ 432.586578] 3*4kB [ 432.592114] ? do_raw_spin_unlock+0xa7/0x2f0 [ 432.594325] (M) [ 432.598383] fallback_alloc+0x203/0x2e0 [ 432.600507] 1*8kB [ 432.604913] ____cache_alloc_node+0x1c7/0x1e0 [ 432.606859] (M) [ 432.610825] kmem_cache_alloc_node+0xe3/0x730 [ 432.612950] 3*16kB [ 432.617436] ? ipv6_get_ifaddr+0x42e/0x620 [ 432.619381] (UM) [ 432.623877] __alloc_skb+0x119/0x770 [ 432.626081] 3*32kB [ 432.630312] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 432.632350] (UM) [ 432.636069] ? skb_scrub_packet+0x490/0x490 [ 432.638283] 2*64kB [ 432.643986] ? lock_downgrade+0x900/0x900 [ 432.646024] (UM) [ 432.650349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.652556] 5*128kB [ 432.656713] ? refcount_sub_and_test_checked+0x203/0x310 [ 432.658751] (UM) [ 432.664308] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 432.666607] 3*256kB (M) [ 432.672085] ? addrconf_rs_timer+0x6f0/0x6f0 [ 432.674125] 4*512kB [ 432.679603] ndisc_alloc_skb+0x144/0x340 [ 432.682233] (M) [ 432.686643] ndisc_send_rs+0x331/0x6e0 [ 432.688929] 3*1024kB (UM) [ 432.693002] addrconf_rs_timer+0x3c0/0x6f0 [ 432.694944] 3*2048kB [ 432.698829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.701645] (M) [ 432.705891] call_timer_fn+0x272/0x920 [ 432.708264] 3*4096kB [ 432.712491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.714437] (M) [ 432.718321] ? process_timeout+0x40/0x40 [ 432.720704] = 25252kB [ 432.724931] ? find_held_lock+0x36/0x1c0 [ 432.726882] Node 0 [ 432.730941] ? __run_timers+0x7da/0xc70 [ 432.733318] Normal: [ 432.737373] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.739589] 1016*4kB [ 432.743556] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.745864] (UME) [ 432.750353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.752739] 348*8kB [ 432.757229] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 432.759352] (UME) [ 432.763599] ? trace_hardirqs_on+0xbd/0x310 [ 432.765890] 167*16kB [ 432.771077] ? kasan_check_read+0x11/0x20 [ 432.773200] (UME) [ 432.777771] ? __run_timers+0x7da/0xc70 [ 432.780158] 68*32kB [ 432.784298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.786417] (UME) [ 432.790396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.792690] 21*64kB [ 432.798134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.800254] (M) [ 432.804488] __run_timers+0x7e5/0xc70 [ 432.806781] 6*128kB (UM) [ 432.811034] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 432.812974] 1*256kB [ 432.816768] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.819497] (U) [ 432.824853] ? graph_lock+0x170/0x170 [ 432.827152] 0*512kB [ 432.832158] ? enqueue_hrtimer+0x1a5/0x560 [ 432.834111] 0*1024kB [ 432.837903] ? lock_release+0x970/0x970 [ 432.840198] 0*2048kB 0*4096kB [ 432.844434] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 432.846816] = 14064kB [ 432.850788] ? find_held_lock+0x36/0x1c0 [ 432.853958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 432.859143] ? graph_lock+0x170/0x170 [ 432.861533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 432.865603] ? pvclock_read_flags+0x160/0x160 [ 432.874418] 503 total pagecache pages [ 432.878254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.886818] 0 pages in swap cache [ 432.891325] ? check_preemption_disabled+0x48/0x200 [ 432.895109] Swap cache stats: add 0, delete 0, find 0/0 [ 432.900656] ? __lock_is_held+0xb5/0x140 [ 432.904073] Free swap = 0kB [ 432.909099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.914437] Total swap = 0kB [ 432.918491] ? check_preemption_disabled+0x48/0x200 [ 432.921481] 1965979 pages RAM [ 432.927013] run_timer_softirq+0x52/0xb0 [ 432.930001] 0 pages HighMem/MovableOnly [ 432.935008] ? rcu_read_lock_sched_held+0x108/0x120 [ 432.938084] 343324 pages reserved [ 432.942137] __do_softirq+0x30b/0xad8 [ 432.946087] 0 pages cma reserved [ 432.951107] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 432.954637] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.958323] ? pvclock_read_flags+0x160/0x160 [ 432.961728] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.966761] ? lapic_next_event+0x5a/0x90 [ 432.973227] syz-executor2 cpuset= [ 432.977716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.988174] syz2 [ 432.992317] ? check_preemption_disabled+0x48/0x200 [ 432.995750] mems_allowed=0 [ 433.001268] ? check_preemption_disabled+0x48/0x200 [ 433.001289] ? kvm_clock_read+0x18/0x30 [ 433.020112] ? kvm_sched_clock_read+0x9/0x20 [ 433.024525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.030060] ? check_preemption_disabled+0x48/0x200 [ 433.035087] irq_exit+0x17f/0x1c0 [ 433.038545] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.043393] ? smp_reschedule_interrupt+0x109/0x650 [ 433.048414] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.054310] ? interrupt_entry+0xb5/0xf0 [ 433.058380] ? trace_hardirqs_off_caller+0xbb/0x300 [ 433.063395] ? trace_hardirqs_off_caller+0xbb/0x300 [ 433.068412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.073259] ? trace_hardirqs_off+0x300/0x300 [ 433.077757] ? trace_hardirqs_off+0x300/0x300 [ 433.082253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.087800] ? check_preemption_disabled+0x48/0x200 [ 433.092823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.098370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.103227] apic_timer_interrupt+0xf/0x20 [ 433.107454] [ 433.109698] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 433.114632] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 433.133528] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 433.141237] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 433.148509] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 433.155776] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 433.163049] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 433.170326] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 433.177657] skb_clone+0x1bb/0x500 [ 433.181200] ? skb_split+0x11e0/0x11e0 [ 433.185095] ? preempt_notifier_register+0x200/0x200 [ 433.190198] ? __switch_to_asm+0x34/0x70 [ 433.194261] ? __switch_to_asm+0x34/0x70 [ 433.198323] ? __switch_to_asm+0x40/0x70 [ 433.202384] ? __switch_to_asm+0x34/0x70 [ 433.206447] ? __switch_to_asm+0x40/0x70 [ 433.210511] ? __switch_to_asm+0x40/0x70 [ 433.214580] ? __switch_to_asm+0x34/0x70 [ 433.218730] ? __switch_to_asm+0x34/0x70 [ 433.222791] ? __switch_to_asm+0x40/0x70 [ 433.226852] ? __switch_to_asm+0x34/0x70 [ 433.230921] bpf_clone_redirect+0xb9/0x490 [ 433.235164] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 433.240182] ? __sched_text_start+0x8/0x8 [ 433.244336] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 433.249104] ? find_held_lock+0x36/0x1c0 [ 433.253175] ? lock_acquire+0x1ed/0x520 [ 433.257159] ? bpf_test_run+0x32e/0x5a0 [ 433.261136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.266677] ? check_preemption_disabled+0x48/0x200 [ 433.271700] ? kasan_check_read+0x11/0x20 [ 433.275853] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 433.281131] ? rcu_bh_qs+0xc0/0xc0 [ 433.284680] ? preempt_schedule+0x4d/0x60 [ 433.288833] ? ___preempt_schedule+0x16/0x18 [ 433.293253] ? bpf_test_run+0x1c0/0x5a0 [ 433.297233] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 433.302083] ? netlink_diag_dump+0x2a0/0x2a0 [ 433.306504] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.312053] ? bpf_test_init.isra.9+0x70/0x100 [ 433.316655] ? bpf_prog_test_run_skb+0x634/0xb40 [ 433.321427] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 433.326717] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 433.332253] ? fput+0x130/0x1a0 [ 433.335533] ? __bpf_prog_get+0x9b/0x290 [ 433.339612] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 433.344452] ? bpf_prog_test_run+0x130/0x1a0 [ 433.348866] ? __x64_sys_bpf+0x3d8/0x510 [ 433.352932] ? bpf_prog_get+0x20/0x20 [ 433.356760] ? do_syscall_64+0x1b9/0x820 [ 433.360821] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 433.366188] ? syscall_return_slowpath+0x5e0/0x5e0 [ 433.371120] ? trace_hardirqs_off+0x300/0x300 [ 433.375629] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 433.380647] ? recalc_sigpending_tsk+0x180/0x180 [ 433.385401] ? kasan_check_write+0x14/0x20 [ 433.389647] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.394501] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 433.399887] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 433.399978] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 433.407102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.407109] Call Trace: [ 433.407117] [ 433.407141] dump_stack+0x1c4/0x2b4 [ 433.407155] ? dump_stack_print_info.cold.2+0x52/0x52 [ 433.407179] warn_alloc.cold.118+0xb7/0x1bd [ 433.407198] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.413842] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.423076] ? lock_downgrade+0x900/0x900 [ 433.425642] syz-executor4 cpuset= [ 433.427793] ? trace_hardirqs_off+0xb8/0x300 [ 433.431389] syz4 [ 433.436587] ? trace_hardirqs_off+0xb8/0x300 [ 433.440881] mems_allowed=0 [ 433.445724] __alloc_pages_slowpath+0x2667/0x2d80 [ 433.482287] ? warn_alloc+0x120/0x120 [ 433.486092] ? graph_lock+0x170/0x170 [ 433.489898] ? warn_alloc+0x120/0x120 [ 433.493703] ? print_usage_bug+0xc0/0xc0 [ 433.497767] ? warn_alloc+0x120/0x120 [ 433.501579] ? print_usage_bug+0xc0/0xc0 [ 433.505649] ? __lock_acquire+0x7ec/0x4ec0 [ 433.509884] ? __lock_acquire+0x7ec/0x4ec0 [ 433.514127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.519668] ? should_fail+0x22d/0xd01 [ 433.523564] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.528676] ? __lock_acquire+0x7ec/0x4ec0 [ 433.532921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.538022] ? __lock_acquire+0x7ec/0x4ec0 [ 433.542257] ? should_fail+0x22d/0xd01 [ 433.546157] ? mark_held_locks+0x130/0x130 [ 433.550399] ? mark_held_locks+0x130/0x130 [ 433.554633] ? graph_lock+0x170/0x170 [ 433.558435] ? graph_lock+0x170/0x170 [ 433.562236] ? graph_lock+0x170/0x170 [ 433.566038] ? print_usage_bug+0xc0/0xc0 [ 433.570102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.575649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.581191] ? check_preemption_disabled+0x48/0x200 [ 433.586206] ? check_preemption_disabled+0x48/0x200 [ 433.591237] ? __lock_is_held+0xb5/0x140 [ 433.595317] __alloc_pages_nodemask+0xa80/0xde0 [ 433.599995] ? graph_lock+0x170/0x170 [ 433.603806] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 433.608817] ? graph_lock+0x170/0x170 [ 433.612635] ? find_held_lock+0x36/0x1c0 [ 433.616714] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.621385] ? lock_downgrade+0x900/0x900 [ 433.625540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.631092] cache_grow_begin+0x91/0x8c0 [ 433.635173] ? do_raw_spin_unlock+0xa7/0x2f0 [ 433.639597] fallback_alloc+0x203/0x2e0 [ 433.643850] ____cache_alloc_node+0x1c7/0x1e0 [ 433.648360] kmem_cache_alloc_node+0xe3/0x730 [ 433.652874] ? ipv6_get_ifaddr+0x42e/0x620 [ 433.657144] __alloc_skb+0x119/0x770 [ 433.660870] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 433.666153] ? skb_scrub_packet+0x490/0x490 [ 433.670479] ? lock_downgrade+0x900/0x900 [ 433.674638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.680177] ? refcount_sub_and_test_checked+0x203/0x310 [ 433.685633] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 433.691091] ? addrconf_rs_timer+0x6f0/0x6f0 [ 433.695526] ndisc_alloc_skb+0x144/0x340 [ 433.699610] ndisc_send_rs+0x331/0x6e0 [ 433.703513] addrconf_rs_timer+0x3c0/0x6f0 [ 433.707754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.712004] call_timer_fn+0x272/0x920 [ 433.715899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.720138] ? process_timeout+0x40/0x40 [ 433.724201] ? find_held_lock+0x36/0x1c0 [ 433.728286] ? mark_held_locks+0xc7/0x130 [ 433.732436] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.736929] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.741434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.745673] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 433.750258] ? trace_hardirqs_on+0xbd/0x310 [ 433.754595] ? kasan_check_read+0x11/0x20 [ 433.758752] ? __run_timers+0x7da/0xc70 [ 433.762730] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.768198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.772443] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.776684] __run_timers+0x7e5/0xc70 [ 433.780513] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 433.785882] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.790903] ? graph_lock+0x170/0x170 [ 433.794709] ? print_usage_bug+0xc0/0xc0 [ 433.798770] ? lock_release+0x970/0x970 [ 433.802749] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.807947] ? find_held_lock+0x36/0x1c0 [ 433.812012] ? graph_lock+0x170/0x170 [ 433.815820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.821355] ? check_preemption_disabled+0x48/0x200 [ 433.826386] ? __lock_is_held+0xb5/0x140 [ 433.830446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.835981] ? check_preemption_disabled+0x48/0x200 [ 433.841005] run_timer_softirq+0x52/0xb0 [ 433.845065] ? rcu_read_lock_sched_held+0x108/0x120 [ 433.850086] __do_softirq+0x30b/0xad8 [ 433.853905] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 433.859018] ? pvclock_read_flags+0x160/0x160 [ 433.863515] ? lapic_next_event+0x5a/0x90 [ 433.867666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.873201] ? check_preemption_disabled+0x48/0x200 [ 433.878213] ? check_preemption_disabled+0x48/0x200 [ 433.883233] ? kvm_clock_read+0x18/0x30 [ 433.887209] ? kvm_sched_clock_read+0x9/0x20 [ 433.891624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.897162] ? check_preemption_disabled+0x48/0x200 [ 433.902192] irq_exit+0x17f/0x1c0 [ 433.905648] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.910490] ? smp_reschedule_interrupt+0x109/0x650 [ 433.915525] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.921413] ? interrupt_entry+0xb5/0xf0 [ 433.925480] ? trace_hardirqs_off_caller+0xbb/0x300 [ 433.930497] ? trace_hardirqs_off_caller+0xbb/0x300 [ 433.935515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.940359] ? trace_hardirqs_off+0x300/0x300 [ 433.944850] ? trace_hardirqs_off+0x300/0x300 [ 433.949349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.954884] ? check_preemption_disabled+0x48/0x200 [ 433.959904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.965469] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.970325] apic_timer_interrupt+0xf/0x20 [ 433.974552] [ 433.976799] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 433.982077] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 434.000979] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 434.008687] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 434.015956] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 434.023221] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 434.030486] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 434.037760] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 434.045050] ? arch_local_irq_restore+0x45/0x52 [ 434.049733] dump_stack+0x26a/0x2b4 [ 434.053368] ? dump_stack_print_info.cold.2+0x52/0x52 [ 434.058560] ? mark_held_locks+0x130/0x130 [ 434.062807] ? mark_held_locks+0x130/0x130 [ 434.067047] dump_header+0x27b/0xf72 [ 434.070775] ? pagefault_out_of_memory+0x197/0x197 [ 434.075717] ? mark_held_locks+0x130/0x130 [ 434.079951] ? __lock_acquire+0x7ec/0x4ec0 [ 434.084190] ? print_usage_bug+0xc0/0xc0 [ 434.088259] ? graph_lock+0x170/0x170 [ 434.092055] ? graph_lock+0x170/0x170 [ 434.095858] ? print_usage_bug+0xc0/0xc0 [ 434.099920] ? print_usage_bug+0xc0/0xc0 [ 434.103991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.109539] ? find_held_lock+0x36/0x1c0 [ 434.113623] ? mark_held_locks+0xc7/0x130 [ 434.117784] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 434.123417] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 434.128533] ? lockdep_hardirqs_on+0x421/0x5c0 [ 434.133130] ? trace_hardirqs_on+0xbd/0x310 [ 434.138154] ? kasan_check_read+0x11/0x20 [ 434.142308] ? ___ratelimit+0x36f/0x655 [ 434.146295] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.151757] ? trace_hardirqs_on+0x310/0x310 [ 434.156197] ? lock_downgrade+0x900/0x900 [ 434.160366] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 434.165481] ? ___ratelimit+0xaa/0x655 [ 434.169377] ? idr_get_free+0xec0/0xec0 [ 434.173350] ? kasan_check_write+0x14/0x20 [ 434.177609] ? do_raw_spin_lock+0xc1/0x200 [ 434.181855] oom_kill_process.cold.27+0x10/0x903 [ 434.186611] ? graph_lock+0x170/0x170 [ 434.190677] ? _raw_spin_unlock+0x2c/0x50 [ 434.194833] ? oom_badness+0xe6/0xaa0 [ 434.198655] ? oom_evaluate_task+0x540/0x540 [ 434.203080] ? find_held_lock+0x36/0x1c0 [ 434.207176] ? out_of_memory+0x974/0x14c0 [ 434.211508] ? lock_downgrade+0x900/0x900 [ 434.215659] ? check_preemption_disabled+0x48/0x200 [ 434.220686] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 434.226480] ? kasan_check_read+0x11/0x20 [ 434.230673] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 434.235952] ? rcu_bh_qs+0xc0/0xc0 [ 434.239496] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 434.244510] ? oom_evaluate_task+0x302/0x540 [ 434.248924] out_of_memory+0xa86/0x14c0 [ 434.252911] ? oom_killer_disable+0x3a0/0x3a0 [ 434.257406] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 434.262337] ? __mutex_add_waiter+0x2a0/0x2a0 [ 434.266849] __alloc_pages_slowpath+0x2318/0x2d80 [ 434.271749] ? warn_alloc+0x120/0x120 [ 434.275552] ? lock_downgrade+0x900/0x900 [ 434.279718] ? print_usage_bug+0xc0/0xc0 [ 434.283782] ? warn_alloc+0x120/0x120 [ 434.287592] ? print_usage_bug+0xc0/0xc0 [ 434.291661] ? debug_check_no_obj_freed+0x305/0x58d [ 434.296677] ? print_usage_bug+0xc0/0xc0 [ 434.300744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.306281] ? should_fail+0x22d/0xd01 [ 434.310175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.315278] ? __lock_acquire+0x7ec/0x4ec0 [ 434.319540] ? __lock_is_held+0xb5/0x140 [ 434.323619] ? graph_lock+0x170/0x170 [ 434.327425] ? ___might_sleep+0x1ed/0x300 [ 434.331579] ? lock_release+0x970/0x970 [ 434.335556] ? arch_local_save_flags+0x40/0x40 [ 434.340159] ? __might_sleep+0x95/0x190 [ 434.344138] __alloc_pages_nodemask+0xa80/0xde0 [ 434.348820] ? graph_lock+0x170/0x170 [ 434.352627] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 434.357641] ? graph_lock+0x170/0x170 [ 434.361457] ? mark_held_locks+0xc7/0x130 [ 434.365607] ? find_held_lock+0x36/0x1c0 [ 434.369678] ? cache_grow_begin+0x5a4/0x8c0 [ 434.373997] ? lockdep_hardirqs_on+0x421/0x5c0 [ 434.378591] ? trace_hardirqs_on+0xbd/0x310 [ 434.382918] ? fallback_alloc+0x203/0x2e0 [ 434.387070] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.392532] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 434.398072] cache_grow_begin+0x91/0x8c0 [ 434.402142] ? do_raw_spin_unlock+0xa7/0x2f0 [ 434.406559] fallback_alloc+0x203/0x2e0 [ 434.410546] ____cache_alloc_node+0x1c7/0x1e0 [ 434.415055] kmem_cache_alloc_node_trace+0xe7/0x740 [ 434.420089] __kmalloc_node_track_caller+0x33/0x70 [ 434.425292] __kmalloc_reserve.isra.39+0x41/0xe0 [ 434.430057] __alloc_skb+0x155/0x770 [ 434.433784] ? skb_scrub_packet+0x490/0x490 [ 434.438114] ? if_nlmsg_size+0x5d1/0xbb0 [ 434.442187] ? nla_put_ifalias+0x170/0x170 [ 434.446433] ? softnet_seq_show+0x470/0x470 [ 434.450757] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 434.455771] ? netif_tx_stop_all_queues+0xd9/0x110 [ 434.460705] rtmsg_ifinfo_build_skb+0x74/0x190 [ 434.465299] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 434.470145] rtmsg_ifinfo+0x8c/0xa0 [ 434.473781] dev_close_many+0x3be/0x860 [ 434.477767] ? unlist_netdevice+0x670/0x670 [ 434.482093] ? find_held_lock+0x36/0x1c0 [ 434.486171] ? __queue_work+0x6be/0x1440 [ 434.490237] ? lock_downgrade+0x900/0x900 [ 434.494399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.499935] ? rtnl_is_locked+0xb5/0xf0 [ 434.503913] ? rtnl_trylock+0x20/0x20 [ 434.507725] ? do_raw_spin_unlock+0xa7/0x2f0 [ 434.512137] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 434.516726] rollback_registered_many+0x56e/0x1240 [ 434.521662] ? generic_xdp_install+0x4c0/0x4c0 [ 434.526254] ? max_active_store+0x170/0x170 [ 434.530612] ? graph_lock+0x170/0x170 [ 434.534413] ? print_usage_bug+0xc0/0xc0 [ 434.538474] ? print_usage_bug+0xc0/0xc0 [ 434.542537] ? kfree_skbmem+0x154/0x230 [ 434.546512] ? graph_lock+0x170/0x170 [ 434.550315] ? print_usage_bug+0xc0/0xc0 [ 434.554383] ? find_held_lock+0x36/0x1c0 [ 434.558458] ? mark_held_locks+0xc7/0x130 [ 434.562616] rollback_registered+0x1e9/0x420 [ 434.567024] ? lockdep_hardirqs_on+0x351/0x5c0 [ 434.571610] ? rollback_registered_many+0x1240/0x1240 [ 434.576803] ? trace_hardirqs_on+0xbd/0x310 [ 434.581240] ? linkwatch_schedule_work+0x150/0x170 [ 434.586176] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.591632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.597176] ? rtnl_is_locked+0xb5/0xf0 [ 434.601173] ? rtnl_trylock+0x20/0x20 [ 434.604981] ? queue_delayed_work_on+0x130/0x1f0 [ 434.609748] unregister_netdevice_queue+0x321/0x5e0 [ 434.614770] ? rollback_registered+0x420/0x420 [ 434.619354] ? linkwatch_schedule_work+0x170/0x170 [ 434.624284] ? tun_show_owner+0x170/0x170 [ 434.628434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.633974] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 434.639350] ? __tun_detach+0x6ba/0x15c0 [ 434.643425] __tun_detach+0x11b8/0x15c0 [ 434.647403] ? __call_rcu.constprop.69+0x429/0xbc0 [ 434.652343] ? tun_attach+0x1770/0x1770 [ 434.656324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.661882] ? check_preemption_disabled+0x48/0x200 [ 434.666913] ? graph_lock+0x170/0x170 [ 434.670717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.676258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.681795] ? locks_remove_file+0x3c6/0x5c0 [ 434.686205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.691745] ? ima_file_free+0x132/0x650 [ 434.695811] ? __lock_is_held+0xb5/0x140 [ 434.699879] ? __tun_detach+0x15c0/0x15c0 [ 434.704035] ? __tun_detach+0x15c0/0x15c0 [ 434.708185] tun_chr_close+0xe3/0x180 [ 434.711991] __fput+0x385/0xa30 [ 434.715277] ? get_max_files+0x20/0x20 [ 434.719171] ? ___might_sleep+0x1ed/0x300 [ 434.723321] ? arch_local_save_flags+0x40/0x40 [ 434.727912] ____fput+0x15/0x20 [ 434.731192] task_work_run+0x1e8/0x2a0 [ 434.735087] ? task_work_cancel+0x240/0x240 [ 434.739422] ? switch_task_namespaces+0xb8/0xd0 [ 434.744104] do_exit+0x1ad7/0x2610 [ 434.747656] ? mm_update_next_owner+0x990/0x990 [ 434.752326] ? print_usage_bug+0xc0/0xc0 [ 434.756399] ? __lock_acquire+0x7ec/0x4ec0 [ 434.760634] ? find_held_lock+0x36/0x1c0 [ 434.764704] ? __lock_acquire+0x7ec/0x4ec0 [ 434.768942] ? mark_held_locks+0x130/0x130 [ 434.773181] ? lock_acquire+0x1ed/0x520 [ 434.777700] ? mark_held_locks+0x130/0x130 [ 434.781938] ? arch_local_save_flags+0x40/0x40 [ 434.786520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.792077] ? __mutex_lock+0x872/0x1710 [ 434.796158] ? __switch_to_asm+0x40/0x70 [ 434.800220] ? __switch_to_asm+0x34/0x70 [ 434.804283] ? pipe_wait+0x266/0x2c0 [ 434.808003] ? mutex_trylock+0x2b0/0x2b0 [ 434.812077] ? graph_lock+0x170/0x170 [ 434.815899] ? find_held_lock+0x36/0x1c0 [ 434.819965] ? memset+0x31/0x40 [ 434.823254] ? find_held_lock+0x36/0x1c0 [ 434.827348] ? get_signal+0x95b/0x1980 [ 434.831241] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.835772] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.840284] do_group_exit+0x177/0x440 [ 434.844178] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.849635] ? __ia32_sys_exit+0x50/0x50 [ 434.853713] get_signal+0x8b0/0x1980 [ 434.857439] ? ptrace_notify+0x130/0x130 [ 434.861509] ? finish_wait+0x430/0x430 [ 434.865395] ? graph_lock+0x170/0x170 [ 434.869205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.874760] ? pipe_read+0x702/0x940 [ 434.878478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.884030] do_signal+0x9c/0x21e0 [ 434.887570] ? __vfs_read+0x11f/0x9b0 [ 434.891385] ? vfs_copy_file_range+0xb90/0xb90 [ 434.895970] ? setup_sigcontext+0x7d0/0x7d0 [ 434.900310] ? exit_to_usermode_loop+0x8c/0x380 [ 434.904998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.910541] exit_to_usermode_loop+0x2e5/0x380 [ 434.915138] ? syscall_slow_exit_work+0x520/0x520 [ 434.919979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.925526] do_syscall_64+0x6be/0x820 [ 434.929414] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 434.934782] ? syscall_return_slowpath+0x5e0/0x5e0 [ 434.939712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.944555] ? trace_hardirqs_off+0x300/0x300 [ 434.949060] ? prepare_exit_to_usermode+0x291/0x3b0 [ 434.954083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.958940] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 434.964129] RIP: 0033:0x410e10 [ 434.967323] Code: Bad RIP value. [ 434.970686] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 434.978393] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 434.985670] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 434.992938] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 435.000202] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 435.007467] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 435.014771] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 435.014777] warn_alloc_show_mem: 1 callbacks suppressed [ 435.014784] Mem-Info: [ 435.022064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.027432] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 435.027432] active_file:19 inactive_file:16 isolated_file:0 [ 435.027432] unevictable:0 dirty:0 writeback:0 unstable:0 [ 435.027432] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 435.027432] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 435.027432] free:13785 free_pcp:397 free_cma:0 [ 435.029809] Call Trace: [ 435.039198] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 435.071967] [ 435.074540] Node 0 [ 435.102227] dump_stack+0x1c4/0x2b4 [ 435.104376] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 435.106593] ? dump_stack_print_info.cold.2+0x52/0x52 [ 435.110191] lowmem_reserve[]: 0 [ 435.135723] warn_alloc.cold.118+0xb7/0x1bd [ 435.140887] 2815 [ 435.144170] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.148453] 6318 [ 435.150515] ? lock_downgrade+0x900/0x900 [ 435.155328] 6318 [ 435.157394] ? trace_hardirqs_off+0xb8/0x300 [ 435.163581] ? trace_hardirqs_off+0xb8/0x300 [ 435.167968] Node 0 DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 435.172405] __alloc_pages_slowpath+0x2667/0x2d80 [ 435.172449] ? warn_alloc+0x120/0x120 [ 435.199737] lowmem_reserve[]: [ 435.204620] ? trace_hardirqs_on+0x310/0x310 [ 435.208382] 0 [ 435.211482] ? warn_alloc+0x120/0x120 [ 435.215864] 0 3503 [ 435.217666] ? print_usage_bug+0xc0/0xc0 [ 435.221440] 3503 [ 435.223673] ? warn_alloc+0x120/0x120 [ 435.229770] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 435.233544] Node 0 [ 435.238552] ? print_usage_bug+0xc0/0xc0 [ 435.238592] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 435.238604] lowmem_reserve[]: [ 435.240839] ? __lock_acquire+0x7ec/0x4ec0 [ 435.244866] 0 0 [ 435.273408] ? __lock_acquire+0x7ec/0x4ec0 [ 435.276488] 0 [ 435.280717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.282668] 0 [ 435.286895] ? should_fail+0x22d/0xd01 [ 435.294228] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.296001] Node 0 [ 435.299878] ? __lock_acquire+0x7ec/0x4ec0 [ 435.304957] DMA: [ 435.307190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.311399] 1*4kB [ 435.313453] ? __lock_acquire+0x7ec/0x4ec0 [ 435.318531] (U) [ 435.320674] ? should_fail+0x22d/0xd01 [ 435.324882] 0*8kB [ 435.326848] ? print_usage_bug+0xc0/0xc0 [ 435.330708] 0*16kB [ 435.332854] ? mark_held_locks+0x130/0x130 [ 435.336884] 1*32kB [ 435.339117] ? mark_held_locks+0x130/0x130 [ 435.343325] (U) [ 435.345559] ? graph_lock+0x170/0x170 [ 435.349763] 2*64kB [ 435.351731] ? print_usage_bug+0xc0/0xc0 [ 435.355506] (U) [ 435.357739] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 435.361770] 1*128kB [ 435.363742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.368471] (U) [ 435.370789] ? check_preemption_disabled+0x48/0x200 [ 435.376301] 1*256kB [ 435.378268] ? check_preemption_disabled+0x48/0x200 [ 435.383258] (U) [ 435.385590] ? __lock_is_held+0xb5/0x140 [ 435.390584] 0*512kB [ 435.392646] __alloc_pages_nodemask+0xa80/0xde0 [ 435.396681] 1*1024kB [ 435.398996] ? graph_lock+0x170/0x170 [ 435.403639] (U) [ 435.406044] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 435.409818] 1*2048kB [ 435.411787] ? graph_lock+0x170/0x170 [ 435.416776] (M) [ 435.419190] ? find_held_lock+0x36/0x1c0 [ 435.422959] 3*4096kB [ 435.424935] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.428964] (M) [ 435.431368] ? lock_downgrade+0x900/0x900 [ 435.436007] = 15908kB [ 435.436015] Node 0 [ 435.437989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.442104] DMA32: [ 435.444511] cache_grow_begin+0x91/0x8c0 [ 435.446719] 3*4kB [ 435.452248] ? do_raw_spin_unlock+0xa7/0x2f0 [ 435.454455] (M) [ 435.458512] fallback_alloc+0x203/0x2e0 [ 435.460633] 1*8kB [ 435.465038] ____cache_alloc_node+0x1c7/0x1e0 [ 435.466984] (M) [ 435.470953] kmem_cache_alloc_node+0xe3/0x730 [ 435.473076] 3*16kB [ 435.477567] ? ipv6_get_ifaddr+0x42e/0x620 [ 435.479519] (UM) [ 435.484012] __alloc_skb+0x119/0x770 [ 435.486218] 3*32kB [ 435.490443] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 435.492476] (UM) [ 435.496185] ? skb_scrub_packet+0x490/0x490 [ 435.498397] 2*64kB [ 435.503663] ? lock_downgrade+0x900/0x900 [ 435.505703] (UM) [ 435.510023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.512233] 5*128kB [ 435.516377] ? refcount_sub_and_test_checked+0x203/0x310 [ 435.518413] (UM) [ 435.523949] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 435.526249] 3*256kB [ 435.531694] ? addrconf_rs_timer+0x6f0/0x6f0 [ 435.533729] (M) [ 435.539189] ndisc_alloc_skb+0x144/0x340 [ 435.541487] 4*512kB [ 435.545984] ndisc_send_rs+0x331/0x6e0 [ 435.547927] (M) [ 435.551986] addrconf_rs_timer+0x3c0/0x6f0 [ 435.554281] 3*1024kB [ 435.558166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.560139] (UM) [ 435.564375] call_timer_fn+0x272/0x920 [ 435.566762] 3*2048kB [ 435.570994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.573028] (M) [ 435.576912] ? process_timeout+0x40/0x40 [ 435.579296] 3*4096kB [ 435.583524] ? find_held_lock+0x36/0x1c0 [ 435.585476] (M) [ 435.589534] ? __run_timers+0x7da/0xc70 [ 435.591911] = 25252kB [ 435.595964] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.597916] Node 0 [ 435.601906] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.604292] Normal: [ 435.608780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.610992] 1016*4kB [ 435.615478] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 435.617775] (UME) [ 435.622005] ? trace_hardirqs_on+0xbd/0x310 [ 435.624389] 348*8kB [ 435.628980] ? kasan_check_read+0x11/0x20 [ 435.631112] (UME) [ 435.635431] ? __run_timers+0x7da/0xc70 [ 435.637730] 167*16kB [ 435.641885] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.644283] (UME) 68*32kB [ 435.648268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.650647] (UME) [ 435.656091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.658912] 21*64kB [ 435.663163] __run_timers+0x7e5/0xc70 [ 435.665285] (M) [ 435.669523] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 435.671813] 6*128kB [ 435.675617] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.677561] (UM) [ 435.682922] ? graph_lock+0x170/0x170 [ 435.685213] 1*256kB (U) [ 435.690232] ? enqueue_hrtimer+0x1a5/0x560 [ 435.692271] 0*512kB [ 435.696064] ? lock_release+0x970/0x970 [ 435.698712] 0*1024kB [ 435.702938] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.705241] 0*2048kB [ 435.709209] ? find_held_lock+0x36/0x1c0 [ 435.711595] 0*4096kB [ 435.716779] ? graph_lock+0x170/0x170 [ 435.719168] = 14064kB [ 435.723218] ? pvclock_read_flags+0x160/0x160 [ 435.725613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 435.729399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.731796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 435.736275] ? check_preemption_disabled+0x48/0x200 [ 435.745086] 503 total pagecache pages [ 435.750628] ? __lock_is_held+0xb5/0x140 [ 435.759180] 0 pages in swap cache [ 435.764181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.767956] Swap cache stats: add 0, delete 0, find 0/0 [ 435.772005] ? check_preemption_disabled+0x48/0x200 [ 435.775430] Free swap = 0kB [ 435.780962] run_timer_softirq+0x52/0xb0 [ 435.786294] Total swap = 0kB [ 435.791299] ? rcu_read_lock_sched_held+0x108/0x120 [ 435.794291] 1965979 pages RAM [ 435.798344] __do_softirq+0x30b/0xad8 [ 435.801339] 0 pages HighMem/MovableOnly [ 435.806372] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 435.809447] 343324 pages reserved [ 435.813244] ? pvclock_read_flags+0x160/0x160 [ 435.817187] 0 pages cma reserved [ 435.822285] ? lapic_next_event+0x5a/0x90 [ 435.825791] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 435.830202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.833671] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.837683] ? check_preemption_disabled+0x48/0x200 [ 435.844152] syz-executor2 cpuset= [ 435.849684] ? check_preemption_disabled+0x48/0x200 [ 435.860162] syz2 [ 435.865185] ? kvm_clock_read+0x18/0x30 [ 435.868606] mems_allowed=0 [ 435.882479] ? kvm_sched_clock_read+0x9/0x20 [ 435.886894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.892429] ? check_preemption_disabled+0x48/0x200 [ 435.897458] irq_exit+0x17f/0x1c0 [ 435.900920] smp_apic_timer_interrupt+0x1cb/0x760 [ 435.905763] ? smp_reschedule_interrupt+0x109/0x650 [ 435.910785] ? smp_call_function_single_interrupt+0x650/0x650 [ 435.916681] ? interrupt_entry+0xb5/0xf0 [ 435.920751] ? trace_hardirqs_off_caller+0xbb/0x300 [ 435.925765] ? trace_hardirqs_off_caller+0xbb/0x300 [ 435.930798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.935642] ? trace_hardirqs_off+0x300/0x300 [ 435.940135] ? trace_hardirqs_off+0x300/0x300 [ 435.944634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.950174] ? check_preemption_disabled+0x48/0x200 [ 435.955189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.960733] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.965602] apic_timer_interrupt+0xf/0x20 [ 435.969830] [ 435.972073] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 435.977008] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 435.995904] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 436.003615] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 436.010879] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 436.018179] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 436.025445] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 436.032713] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 436.040031] skb_clone+0x1bb/0x500 [ 436.043584] ? skb_split+0x11e0/0x11e0 [ 436.047481] ? preempt_notifier_register+0x200/0x200 [ 436.052673] ? __switch_to_asm+0x34/0x70 [ 436.056738] ? __switch_to_asm+0x34/0x70 [ 436.060797] ? __switch_to_asm+0x40/0x70 [ 436.064857] ? __switch_to_asm+0x34/0x70 [ 436.068920] ? __switch_to_asm+0x40/0x70 [ 436.072986] ? __switch_to_asm+0x40/0x70 [ 436.077049] ? __switch_to_asm+0x34/0x70 [ 436.081113] ? __switch_to_asm+0x34/0x70 [ 436.085172] ? __switch_to_asm+0x40/0x70 [ 436.089232] ? __switch_to_asm+0x34/0x70 [ 436.093306] bpf_clone_redirect+0xb9/0x490 [ 436.097555] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 436.102592] ? __sched_text_start+0x8/0x8 [ 436.106746] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.111521] ? find_held_lock+0x36/0x1c0 [ 436.115603] ? lock_acquire+0x1ed/0x520 [ 436.119582] ? bpf_test_run+0x32e/0x5a0 [ 436.123563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.129112] ? check_preemption_disabled+0x48/0x200 [ 436.134138] ? kasan_check_read+0x11/0x20 [ 436.138286] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 436.143562] ? rcu_bh_qs+0xc0/0xc0 [ 436.147120] ? preempt_schedule+0x4d/0x60 [ 436.151270] ? ___preempt_schedule+0x16/0x18 [ 436.155690] ? bpf_test_run+0x1c0/0x5a0 [ 436.159666] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 436.164516] ? netlink_diag_dump+0x2a0/0x2a0 [ 436.168927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.174466] ? bpf_test_init.isra.9+0x70/0x100 [ 436.179054] ? bpf_prog_test_run_skb+0x634/0xb40 [ 436.183820] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 436.188661] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 436.194199] ? fput+0x130/0x1a0 [ 436.197481] ? __bpf_prog_get+0x9b/0x290 [ 436.201544] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 436.206395] ? bpf_prog_test_run+0x130/0x1a0 [ 436.210805] ? __x64_sys_bpf+0x3d8/0x510 [ 436.214869] ? bpf_prog_get+0x20/0x20 [ 436.218694] ? do_syscall_64+0x1b9/0x820 [ 436.222757] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 436.228129] ? syscall_return_slowpath+0x5e0/0x5e0 [ 436.233066] ? trace_hardirqs_off+0x300/0x300 [ 436.237563] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 436.242602] ? recalc_sigpending_tsk+0x180/0x180 [ 436.247357] ? kasan_check_write+0x14/0x20 [ 436.251612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.256475] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 436.261860] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 436.261949] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 436.269044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.269050] Call Trace: [ 436.269057] [ 436.269075] dump_stack+0x1c4/0x2b4 [ 436.269102] ? dump_stack_print_info.cold.2+0x52/0x52 [ 436.275687] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 436.284938] warn_alloc.cold.118+0xb7/0x1bd [ 436.287492] syz-executor4 cpuset= [ 436.289636] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 436.293234] syz4 [ 436.298424] ? lock_downgrade+0x900/0x900 [ 436.308899] mems_allowed=0 [ 436.313222] ? trace_hardirqs_off+0xb8/0x300 [ 436.334899] ? trace_hardirqs_off+0xb8/0x300 [ 436.339321] __alloc_pages_slowpath+0x2667/0x2d80 [ 436.344202] ? warn_alloc+0x120/0x120 [ 436.348005] ? trace_hardirqs_on+0x310/0x310 [ 436.352499] ? warn_alloc+0x120/0x120 [ 436.356306] ? print_usage_bug+0xc0/0xc0 [ 436.360367] ? warn_alloc+0x120/0x120 [ 436.364168] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 436.369184] ? print_usage_bug+0xc0/0xc0 [ 436.373247] ? __lock_acquire+0x7ec/0x4ec0 [ 436.377478] ? __lock_acquire+0x7ec/0x4ec0 [ 436.381713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.387253] ? should_fail+0x22d/0xd01 [ 436.391147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.396248] ? __lock_acquire+0x7ec/0x4ec0 [ 436.400492] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.405599] ? __lock_acquire+0x7ec/0x4ec0 [ 436.409838] ? should_fail+0x22d/0xd01 [ 436.413726] ? print_usage_bug+0xc0/0xc0 [ 436.417796] ? mark_held_locks+0x130/0x130 [ 436.422033] ? mark_held_locks+0x130/0x130 [ 436.426273] ? graph_lock+0x170/0x170 [ 436.430074] ? print_usage_bug+0xc0/0xc0 [ 436.434139] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.438896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.444430] ? check_preemption_disabled+0x48/0x200 [ 436.449443] ? check_preemption_disabled+0x48/0x200 [ 436.454472] ? __lock_is_held+0xb5/0x140 [ 436.458542] __alloc_pages_nodemask+0xa80/0xde0 [ 436.463219] ? graph_lock+0x170/0x170 [ 436.467024] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 436.472040] ? graph_lock+0x170/0x170 [ 436.475851] ? find_held_lock+0x36/0x1c0 [ 436.479926] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.484605] ? lock_downgrade+0x900/0x900 [ 436.488760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.494308] cache_grow_begin+0x91/0x8c0 [ 436.498377] ? do_raw_spin_unlock+0xa7/0x2f0 [ 436.502800] fallback_alloc+0x203/0x2e0 [ 436.506787] ____cache_alloc_node+0x1c7/0x1e0 [ 436.511291] kmem_cache_alloc_node+0xe3/0x730 [ 436.515792] ? ipv6_get_ifaddr+0x42e/0x620 [ 436.520037] __alloc_skb+0x119/0x770 [ 436.523755] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 436.529036] ? skb_scrub_packet+0x490/0x490 [ 436.533359] ? lock_downgrade+0x900/0x900 [ 436.537524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.543075] ? refcount_sub_and_test_checked+0x203/0x310 [ 436.548543] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 436.554020] ? addrconf_rs_timer+0x6f0/0x6f0 [ 436.558446] ndisc_alloc_skb+0x144/0x340 [ 436.562515] ndisc_send_rs+0x331/0x6e0 [ 436.566422] addrconf_rs_timer+0x3c0/0x6f0 [ 436.570671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.574922] call_timer_fn+0x272/0x920 [ 436.578825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.583074] ? process_timeout+0x40/0x40 [ 436.587144] ? find_held_lock+0x36/0x1c0 [ 436.591224] ? mark_held_locks+0xc7/0x130 [ 436.595385] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.599892] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.604402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.608648] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 436.613239] ? trace_hardirqs_on+0xbd/0x310 [ 436.617568] ? kasan_check_read+0x11/0x20 [ 436.621760] ? __run_timers+0x7da/0xc70 [ 436.625756] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.631235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.635502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.639756] __run_timers+0x7e5/0xc70 [ 436.643603] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 436.648987] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 436.654018] ? graph_lock+0x170/0x170 [ 436.657827] ? print_usage_bug+0xc0/0xc0 [ 436.661889] ? lock_release+0x970/0x970 [ 436.665869] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 436.671074] ? find_held_lock+0x36/0x1c0 [ 436.675147] ? graph_lock+0x170/0x170 [ 436.678953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.684486] ? check_preemption_disabled+0x48/0x200 [ 436.689515] ? __lock_is_held+0xb5/0x140 [ 436.693600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.699140] ? check_preemption_disabled+0x48/0x200 [ 436.704512] run_timer_softirq+0x52/0xb0 [ 436.708573] ? rcu_read_lock_sched_held+0x108/0x120 [ 436.713608] __do_softirq+0x30b/0xad8 [ 436.717424] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 436.722536] ? pvclock_read_flags+0x160/0x160 [ 436.727028] ? lapic_next_event+0x5a/0x90 [ 436.731174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.736708] ? check_preemption_disabled+0x48/0x200 [ 436.741726] ? check_preemption_disabled+0x48/0x200 [ 436.746752] ? kvm_clock_read+0x18/0x30 [ 436.750725] ? kvm_sched_clock_read+0x9/0x20 [ 436.755137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.760675] ? check_preemption_disabled+0x48/0x200 [ 436.765705] irq_exit+0x17f/0x1c0 [ 436.769162] smp_apic_timer_interrupt+0x1cb/0x760 [ 436.774007] ? smp_reschedule_interrupt+0x109/0x650 [ 436.779516] ? smp_call_function_single_interrupt+0x650/0x650 [ 436.785486] ? interrupt_entry+0xb5/0xf0 [ 436.789547] ? trace_hardirqs_off_caller+0xbb/0x300 [ 436.794566] ? trace_hardirqs_off_caller+0xbb/0x300 [ 436.799602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.804450] ? trace_hardirqs_off+0x300/0x300 [ 436.808945] ? trace_hardirqs_off+0x300/0x300 [ 436.813444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.818983] ? check_preemption_disabled+0x48/0x200 [ 436.824001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.829564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.834430] apic_timer_interrupt+0xf/0x20 [ 436.838662] [ 436.840898] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 436.846177] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 436.865076] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 436.872791] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 436.880065] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 436.887328] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 436.894599] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 436.901871] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 436.909160] ? arch_local_irq_restore+0x45/0x52 [ 436.913852] dump_stack+0x26a/0x2b4 [ 436.917484] ? dump_stack_print_info.cold.2+0x52/0x52 [ 436.922680] ? mark_held_locks+0x130/0x130 [ 436.926912] ? mark_held_locks+0x130/0x130 [ 436.931151] dump_header+0x27b/0xf72 [ 436.934886] ? pagefault_out_of_memory+0x197/0x197 [ 436.939824] ? mark_held_locks+0x130/0x130 [ 436.944059] ? __lock_acquire+0x7ec/0x4ec0 [ 436.948299] ? print_usage_bug+0xc0/0xc0 [ 436.952373] ? graph_lock+0x170/0x170 [ 436.956174] ? graph_lock+0x170/0x170 [ 436.959977] ? print_usage_bug+0xc0/0xc0 [ 436.964040] ? print_usage_bug+0xc0/0xc0 [ 436.968115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.973659] ? find_held_lock+0x36/0x1c0 [ 436.977729] ? mark_held_locks+0xc7/0x130 [ 436.981884] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.986990] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.992109] ? lockdep_hardirqs_on+0x421/0x5c0 [ 436.996700] ? trace_hardirqs_on+0xbd/0x310 [ 437.001018] ? kasan_check_read+0x11/0x20 [ 437.005172] ? ___ratelimit+0x36f/0x655 [ 437.009152] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.014621] ? trace_hardirqs_on+0x310/0x310 [ 437.019032] ? lock_downgrade+0x900/0x900 [ 437.023191] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 437.028298] ? ___ratelimit+0xaa/0x655 [ 437.032204] ? idr_get_free+0xec0/0xec0 [ 437.036183] ? kasan_check_write+0x14/0x20 [ 437.040420] ? do_raw_spin_lock+0xc1/0x200 [ 437.044667] oom_kill_process.cold.27+0x10/0x903 [ 437.049443] ? graph_lock+0x170/0x170 [ 437.053249] ? _raw_spin_unlock+0x2c/0x50 [ 437.057394] ? oom_badness+0xe6/0xaa0 [ 437.061224] ? oom_evaluate_task+0x540/0x540 [ 437.065642] ? find_held_lock+0x36/0x1c0 [ 437.069709] ? out_of_memory+0x974/0x14c0 [ 437.073863] ? lock_downgrade+0x900/0x900 [ 437.078009] ? check_preemption_disabled+0x48/0x200 [ 437.083031] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 437.088826] ? kasan_check_read+0x11/0x20 [ 437.092974] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 437.098252] ? rcu_bh_qs+0xc0/0xc0 [ 437.101799] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 437.106820] ? oom_evaluate_task+0x302/0x540 [ 437.111242] out_of_memory+0xa86/0x14c0 [ 437.115229] ? oom_killer_disable+0x3a0/0x3a0 [ 437.119729] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 437.124661] ? __mutex_add_waiter+0x2a0/0x2a0 [ 437.129171] __alloc_pages_slowpath+0x2318/0x2d80 [ 437.134046] ? warn_alloc+0x120/0x120 [ 437.137852] ? lock_downgrade+0x900/0x900 [ 437.142004] ? print_usage_bug+0xc0/0xc0 [ 437.146063] ? warn_alloc+0x120/0x120 [ 437.149882] ? print_usage_bug+0xc0/0xc0 [ 437.153949] ? debug_check_no_obj_freed+0x305/0x58d [ 437.158968] ? print_usage_bug+0xc0/0xc0 [ 437.163035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.168572] ? should_fail+0x22d/0xd01 [ 437.172473] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.177667] ? __lock_acquire+0x7ec/0x4ec0 [ 437.181931] ? __lock_is_held+0xb5/0x140 [ 437.186002] ? graph_lock+0x170/0x170 [ 437.189805] ? ___might_sleep+0x1ed/0x300 [ 437.193949] ? lock_release+0x970/0x970 [ 437.198014] ? arch_local_save_flags+0x40/0x40 [ 437.202626] ? __might_sleep+0x95/0x190 [ 437.206617] __alloc_pages_nodemask+0xa80/0xde0 [ 437.211291] ? graph_lock+0x170/0x170 [ 437.215121] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 437.220146] ? graph_lock+0x170/0x170 [ 437.223969] ? mark_held_locks+0xc7/0x130 [ 437.228133] ? find_held_lock+0x36/0x1c0 [ 437.232246] ? cache_grow_begin+0x5a4/0x8c0 [ 437.236589] ? lockdep_hardirqs_on+0x421/0x5c0 [ 437.241181] ? trace_hardirqs_on+0xbd/0x310 [ 437.245508] ? fallback_alloc+0x203/0x2e0 [ 437.249662] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.255123] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 437.260669] cache_grow_begin+0x91/0x8c0 [ 437.264743] ? do_raw_spin_unlock+0xa7/0x2f0 [ 437.269165] fallback_alloc+0x203/0x2e0 [ 437.273148] ____cache_alloc_node+0x1c7/0x1e0 [ 437.277655] kmem_cache_alloc_node_trace+0xe7/0x740 [ 437.282691] __kmalloc_node_track_caller+0x33/0x70 [ 437.287629] __kmalloc_reserve.isra.39+0x41/0xe0 [ 437.292388] __alloc_skb+0x155/0x770 [ 437.296114] ? skb_scrub_packet+0x490/0x490 [ 437.300441] ? if_nlmsg_size+0x5d1/0xbb0 [ 437.304510] ? nla_put_ifalias+0x170/0x170 [ 437.308758] ? softnet_seq_show+0x470/0x470 [ 437.313079] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 437.318124] ? netif_tx_stop_all_queues+0xd9/0x110 [ 437.323070] rtmsg_ifinfo_build_skb+0x74/0x190 [ 437.327665] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 437.332513] rtmsg_ifinfo+0x8c/0xa0 [ 437.336145] dev_close_many+0x3be/0x860 [ 437.340137] ? unlist_netdevice+0x670/0x670 [ 437.344473] ? find_held_lock+0x36/0x1c0 [ 437.348540] ? __queue_work+0x6be/0x1440 [ 437.352610] ? lock_downgrade+0x900/0x900 [ 437.356764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.362299] ? rtnl_is_locked+0xb5/0xf0 [ 437.366359] ? rtnl_trylock+0x20/0x20 [ 437.370160] ? do_raw_spin_unlock+0xa7/0x2f0 [ 437.374569] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 437.379172] rollback_registered_many+0x56e/0x1240 [ 437.384114] ? generic_xdp_install+0x4c0/0x4c0 [ 437.388701] ? max_active_store+0x170/0x170 [ 437.393025] ? graph_lock+0x170/0x170 [ 437.396826] ? print_usage_bug+0xc0/0xc0 [ 437.400885] ? print_usage_bug+0xc0/0xc0 [ 437.404944] ? kfree_skbmem+0x154/0x230 [ 437.408921] ? graph_lock+0x170/0x170 [ 437.412722] ? print_usage_bug+0xc0/0xc0 [ 437.416785] ? find_held_lock+0x36/0x1c0 [ 437.420855] ? mark_held_locks+0xc7/0x130 [ 437.425007] rollback_registered+0x1e9/0x420 [ 437.429412] ? lockdep_hardirqs_on+0x351/0x5c0 [ 437.433993] ? rollback_registered_many+0x1240/0x1240 [ 437.439184] ? trace_hardirqs_on+0xbd/0x310 [ 437.443505] ? linkwatch_schedule_work+0x150/0x170 [ 437.448445] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.453901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.459435] ? rtnl_is_locked+0xb5/0xf0 [ 437.463408] ? rtnl_trylock+0x20/0x20 [ 437.467216] ? queue_delayed_work_on+0x130/0x1f0 [ 437.471976] unregister_netdevice_queue+0x321/0x5e0 [ 437.476998] ? rollback_registered+0x420/0x420 [ 437.481588] ? linkwatch_schedule_work+0x170/0x170 [ 437.486522] ? tun_show_owner+0x170/0x170 [ 437.490672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.496216] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 437.501586] ? __tun_detach+0x6ba/0x15c0 [ 437.505662] __tun_detach+0x11b8/0x15c0 [ 437.509640] ? __call_rcu.constprop.69+0x429/0xbc0 [ 437.514587] ? tun_attach+0x1770/0x1770 [ 437.518589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.524130] ? check_preemption_disabled+0x48/0x200 [ 437.529159] ? graph_lock+0x170/0x170 [ 437.532964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.538501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.544042] ? locks_remove_file+0x3c6/0x5c0 [ 437.548455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.553993] ? ima_file_free+0x132/0x650 [ 437.558060] ? __lock_is_held+0xb5/0x140 [ 437.562134] ? __tun_detach+0x15c0/0x15c0 [ 437.566285] ? __tun_detach+0x15c0/0x15c0 [ 437.570429] tun_chr_close+0xe3/0x180 [ 437.574237] __fput+0x385/0xa30 [ 437.577524] ? get_max_files+0x20/0x20 [ 437.581419] ? ___might_sleep+0x1ed/0x300 [ 437.585588] ? arch_local_save_flags+0x40/0x40 [ 437.590191] ____fput+0x15/0x20 [ 437.593476] task_work_run+0x1e8/0x2a0 [ 437.597365] ? task_work_cancel+0x240/0x240 [ 437.601699] ? switch_task_namespaces+0xb8/0xd0 [ 437.606378] do_exit+0x1ad7/0x2610 [ 437.609926] ? mm_update_next_owner+0x990/0x990 [ 437.614605] ? print_usage_bug+0xc0/0xc0 [ 437.618679] ? __lock_acquire+0x7ec/0x4ec0 [ 437.622914] ? find_held_lock+0x36/0x1c0 [ 437.626990] ? __lock_acquire+0x7ec/0x4ec0 [ 437.631227] ? mark_held_locks+0x130/0x130 [ 437.635466] ? lock_acquire+0x1ed/0x520 [ 437.639453] ? mark_held_locks+0x130/0x130 [ 437.643918] ? arch_local_save_flags+0x40/0x40 [ 437.648498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.654055] ? __mutex_lock+0x872/0x1710 [ 437.658125] ? __switch_to_asm+0x40/0x70 [ 437.662189] ? __switch_to_asm+0x34/0x70 [ 437.666249] ? pipe_wait+0x266/0x2c0 [ 437.669978] ? mutex_trylock+0x2b0/0x2b0 [ 437.674060] ? graph_lock+0x170/0x170 [ 437.677861] ? find_held_lock+0x36/0x1c0 [ 437.681930] ? memset+0x31/0x40 [ 437.685216] ? find_held_lock+0x36/0x1c0 [ 437.689288] ? get_signal+0x95b/0x1980 [ 437.693178] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.697675] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.702178] do_group_exit+0x177/0x440 [ 437.706071] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.711526] ? __ia32_sys_exit+0x50/0x50 [ 437.715607] get_signal+0x8b0/0x1980 [ 437.719337] ? ptrace_notify+0x130/0x130 [ 437.723402] ? finish_wait+0x430/0x430 [ 437.727289] ? graph_lock+0x170/0x170 [ 437.731108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.736651] ? pipe_read+0x702/0x940 [ 437.740367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.745914] do_signal+0x9c/0x21e0 [ 437.749455] ? __vfs_read+0x11f/0x9b0 [ 437.753265] ? vfs_copy_file_range+0xb90/0xb90 [ 437.757850] ? setup_sigcontext+0x7d0/0x7d0 [ 437.762281] ? exit_to_usermode_loop+0x8c/0x380 [ 437.766971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.772533] exit_to_usermode_loop+0x2e5/0x380 [ 437.777128] ? syscall_slow_exit_work+0x520/0x520 [ 437.781974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.787521] do_syscall_64+0x6be/0x820 [ 437.791414] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 437.796785] ? syscall_return_slowpath+0x5e0/0x5e0 [ 437.801719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.806570] ? trace_hardirqs_off+0x300/0x300 [ 437.811089] ? prepare_exit_to_usermode+0x291/0x3b0 [ 437.816124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.820977] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 437.826166] RIP: 0033:0x410e10 [ 437.829364] Code: Bad RIP value. [ 437.832724] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 437.840436] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 437.847707] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 437.854979] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 437.862249] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 437.869514] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 437.876814] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 437.876819] warn_alloc_show_mem: 1 callbacks suppressed [ 437.876827] Mem-Info: [ 437.884109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.889478] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 437.889478] active_file:19 inactive_file:16 isolated_file:0 [ 437.889478] unevictable:0 dirty:0 writeback:0 unstable:0 [ 437.889478] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 437.889478] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 437.889478] free:13785 free_pcp:397 free_cma:0 [ 437.891852] Call Trace: [ 437.901235] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 437.934012] [ 437.936597] Node 0 [ 437.964201] dump_stack+0x1c4/0x2b4 [ 437.966355] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 437.968561] ? dump_stack_print_info.cold.2+0x52/0x52 [ 437.972163] lowmem_reserve[]: [ 437.997691] warn_alloc.cold.118+0xb7/0x1bd [ 438.002866] 0 [ 438.005980] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 438.010267] 2815 [ 438.012145] ? lock_downgrade+0x900/0x900 [ 438.016960] 6318 6318 [ 438.019048] ? trace_hardirqs_off+0xb8/0x300 [ 438.023183] Node 0 [ 438.025700] ? trace_hardirqs_off+0xb8/0x300 [ 438.030113] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 438.032341] __alloc_pages_slowpath+0x2667/0x2d80 [ 438.036722] lowmem_reserve[]: 0 [ 438.063512] ? warn_alloc+0x120/0x120 [ 438.068311] 0 [ 438.071593] ? trace_hardirqs_on+0x310/0x310 [ 438.075355] 3503 3503 [ 438.077159] ? warn_alloc+0x120/0x120 [ 438.081543] Node 0 [ 438.084034] ? print_usage_bug+0xc0/0xc0 [ 438.087831] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 438.090036] ? warn_alloc+0x120/0x120 [ 438.094063] lowmem_reserve[]: 0 [ 438.122616] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 438.126387] 0 [ 438.129664] ? print_usage_bug+0xc0/0xc0 [ 438.134655] 0 [ 438.136453] ? __lock_acquire+0x7ec/0x4ec0 [ 438.140485] 0 [ 438.142279] ? __lock_acquire+0x7ec/0x4ec0 [ 438.148284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.152491] Node 0 DMA: [ 438.158027] ? should_fail+0x22d/0xd01 [ 438.158046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.160690] 1*4kB [ 438.164574] ? __lock_acquire+0x7ec/0x4ec0 [ 438.169654] (U) [ 438.171802] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.176006] 0*8kB [ 438.177976] ? __lock_acquire+0x7ec/0x4ec0 [ 438.183055] 0*16kB [ 438.185287] ? should_fail+0x22d/0xd01 [ 438.189495] 1*32kB [ 438.191722] ? print_usage_bug+0xc0/0xc0 [ 438.195593] (U) [ 438.197838] ? mark_held_locks+0x130/0x130 [ 438.201866] 2*64kB [ 438.203833] ? mark_held_locks+0x130/0x130 [ 438.208042] (U) [ 438.210277] ? graph_lock+0x170/0x170 [ 438.214478] 1*128kB (U) [ 438.216457] ? print_usage_bug+0xc0/0xc0 [ 438.220226] 1*256kB (U) [ 438.222902] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 438.226935] 0*512kB [ 438.229614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.234339] 1*1024kB [ 438.236653] ? check_preemption_disabled+0x48/0x200 [ 438.242165] (U) [ 438.244567] ? check_preemption_disabled+0x48/0x200 [ 438.249564] 1*2048kB [ 438.251551] ? __lock_is_held+0xb5/0x140 [ 438.256534] (M) [ 438.258949] __alloc_pages_nodemask+0xa80/0xde0 [ 438.262973] 3*4096kB (M) [ 438.264953] ? graph_lock+0x170/0x170 [ 438.269609] = 15908kB [ 438.272364] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 438.276148] Node 0 [ 438.278594] ? graph_lock+0x170/0x170 [ 438.283589] DMA32: [ 438.285841] ? find_held_lock+0x36/0x1c0 [ 438.289607] 3*4kB (M) [ 438.291853] ? ____cache_alloc_node+0x1c7/0x1e0 [ 438.295899] 1*8kB [ 438.298398] ? lock_downgrade+0x900/0x900 [ 438.303037] (M) [ 438.305187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.309302] 3*16kB [ 438.311276] cache_grow_begin+0x91/0x8c0 [ 438.316791] (UM) [ 438.319045] ? do_raw_spin_unlock+0xa7/0x2f0 [ 438.323074] 3*32kB [ 438.325150] fallback_alloc+0x203/0x2e0 [ 438.329517] (UM) [ 438.331756] ____cache_alloc_node+0x1c7/0x1e0 [ 438.335695] 2*64kB [ 438.337754] kmem_cache_alloc_node+0xe3/0x730 [ 438.342219] (UM) [ 438.344455] ? ipv6_get_ifaddr+0x42e/0x620 [ 438.348922] 5*128kB [ 438.350987] __alloc_skb+0x119/0x770 [ 438.355184] (UM) [ 438.357504] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 438.361190] 3*256kB [ 438.363251] ? skb_scrub_packet+0x490/0x490 [ 438.368499] (M) [ 438.370822] ? lock_downgrade+0x900/0x900 [ 438.375116] 4*512kB [ 438.377094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.381208] (M) [ 438.383531] ? refcount_sub_and_test_checked+0x203/0x310 [ 438.389042] 3*1024kB [ 438.391021] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 438.396443] (UM) [ 438.398860] ? addrconf_rs_timer+0x6f0/0x6f0 [ 438.404281] 3*2048kB [ 438.406354] ndisc_alloc_skb+0x144/0x340 [ 438.410722] (M) [ 438.413131] ndisc_send_rs+0x331/0x6e0 [ 438.417161] 3*4096kB [ 438.419132] addrconf_rs_timer+0x3c0/0x6f0 [ 438.422985] (M) [ 438.425399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.429609] = 25252kB [ 438.431596] call_timer_fn+0x272/0x920 [ 438.435804] Node 0 [ 438.438215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.442072] Normal: [ 438.444309] ? process_timeout+0x40/0x40 [ 438.448513] 1016*4kB [ 438.450837] ? find_held_lock+0x36/0x1c0 [ 438.454870] (UME) [ 438.457289] ? __run_timers+0x7da/0xc70 [ 438.461312] 348*8kB [ 438.463458] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.467399] (UME) [ 438.469725] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.474186] 167*16kB (UME) [ 438.476342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.480806] 68*32kB (UME) [ 438.483744] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 438.487947] 21*64kB [ 438.490785] ? trace_hardirqs_on+0xbd/0x310 [ 438.495337] (M) [ 438.497652] ? kasan_check_read+0x11/0x20 [ 438.501947] 6*128kB [ 438.503918] ? __run_timers+0x7da/0xc70 [ 438.508035] (UM) [ 438.510353] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 438.514300] 1*256kB [ 438.516356] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.521778] (U) [ 438.524095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.528307] 0*512kB [ 438.530276] __run_timers+0x7e5/0xc70 [ 438.534487] 0*1024kB [ 438.536816] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 438.540591] 0*2048kB [ 438.543002] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 438.548336] 0*4096kB [ 438.550740] ? graph_lock+0x170/0x170 [ 438.555730] = 14064kB [ 438.558131] ? enqueue_hrtimer+0x1a5/0x560 [ 438.561931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 438.564333] ? lock_release+0x970/0x970 [ 438.568550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 438.577369] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 438.581315] 503 total pagecache pages [ 438.589890] ? find_held_lock+0x36/0x1c0 [ 438.595055] 0 pages in swap cache [ 438.598842] ? graph_lock+0x170/0x170 [ 438.602879] Swap cache stats: add 0, delete 0, find 0/0 [ 438.606324] ? pvclock_read_flags+0x160/0x160 [ 438.610103] Free swap = 0kB [ 438.615454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.619922] Total swap = 0kB [ 438.622931] ? check_preemption_disabled+0x48/0x200 [ 438.628444] 1965979 pages RAM [ 438.631467] ? __lock_is_held+0xb5/0x140 [ 438.636446] 0 pages HighMem/MovableOnly [ 438.636454] 343324 pages reserved [ 438.639562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.643598] 0 pages cma reserved [ 438.647567] ? check_preemption_disabled+0x48/0x200 [ 438.651076] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 438.656535] run_timer_softirq+0x52/0xb0 [ 438.656550] ? rcu_read_lock_sched_held+0x108/0x120 [ 438.656567] __do_softirq+0x30b/0xad8 [ 438.656607] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 438.660009] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 438.664949] ? pvclock_read_flags+0x160/0x160 [ 438.671412] syz-executor2 cpuset= [ 438.675463] ? lapic_next_event+0x5a/0x90 [ 438.680450] syz2 [ 438.684245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.689322] mems_allowed=0 [ 438.699796] ? check_preemption_disabled+0x48/0x200 [ 438.727243] ? check_preemption_disabled+0x48/0x200 [ 438.732279] ? kvm_clock_read+0x18/0x30 [ 438.736256] ? kvm_sched_clock_read+0x9/0x20 [ 438.740671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.746210] ? check_preemption_disabled+0x48/0x200 [ 438.751238] irq_exit+0x17f/0x1c0 [ 438.754703] smp_apic_timer_interrupt+0x1cb/0x760 [ 438.759547] ? smp_reschedule_interrupt+0x109/0x650 [ 438.764575] ? smp_call_function_single_interrupt+0x650/0x650 [ 438.770474] ? interrupt_entry+0xb5/0xf0 [ 438.774544] ? trace_hardirqs_off_caller+0xbb/0x300 [ 438.779788] ? trace_hardirqs_off_caller+0xbb/0x300 [ 438.784809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.789658] ? trace_hardirqs_off+0x300/0x300 [ 438.794152] ? trace_hardirqs_off+0x300/0x300 [ 438.798648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.804185] ? check_preemption_disabled+0x48/0x200 [ 438.809203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.814751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.819704] apic_timer_interrupt+0xf/0x20 [ 438.823931] [ 438.826181] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 438.831123] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 438.850145] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 438.857875] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 438.865154] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 438.872427] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 438.879699] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 438.886972] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 438.894297] skb_clone+0x1bb/0x500 [ 438.897855] ? skb_split+0x11e0/0x11e0 [ 438.901748] ? preempt_notifier_register+0x200/0x200 [ 438.906852] ? __switch_to_asm+0x34/0x70 [ 438.910914] ? __switch_to_asm+0x34/0x70 [ 438.914977] ? __switch_to_asm+0x40/0x70 [ 438.919036] ? __switch_to_asm+0x34/0x70 [ 438.923097] ? __switch_to_asm+0x40/0x70 [ 438.927157] ? __switch_to_asm+0x40/0x70 [ 438.931219] ? __switch_to_asm+0x34/0x70 [ 438.935286] ? __switch_to_asm+0x34/0x70 [ 438.939349] ? __switch_to_asm+0x40/0x70 [ 438.943417] ? __switch_to_asm+0x34/0x70 [ 438.947501] bpf_clone_redirect+0xb9/0x490 [ 438.951754] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 438.956782] ? __sched_text_start+0x8/0x8 [ 438.960940] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 438.965721] ? find_held_lock+0x36/0x1c0 [ 438.969808] ? lock_acquire+0x1ed/0x520 [ 438.973793] ? bpf_test_run+0x32e/0x5a0 [ 438.977777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.983318] ? check_preemption_disabled+0x48/0x200 [ 438.988338] ? kasan_check_read+0x11/0x20 [ 438.992489] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 438.997766] ? rcu_bh_qs+0xc0/0xc0 [ 439.001309] ? preempt_schedule+0x4d/0x60 [ 439.005460] ? ___preempt_schedule+0x16/0x18 [ 439.009896] ? bpf_test_run+0x1c0/0x5a0 [ 439.013874] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 439.018726] ? netlink_diag_dump+0x2a0/0x2a0 [ 439.023137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.028682] ? bpf_test_init.isra.9+0x70/0x100 [ 439.033270] ? bpf_prog_test_run_skb+0x634/0xb40 [ 439.038034] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 439.042873] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 439.048610] ? fput+0x130/0x1a0 [ 439.051908] ? __bpf_prog_get+0x9b/0x290 [ 439.055973] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 439.060816] ? bpf_prog_test_run+0x130/0x1a0 [ 439.065251] ? __x64_sys_bpf+0x3d8/0x510 [ 439.069320] ? bpf_prog_get+0x20/0x20 [ 439.073141] ? do_syscall_64+0x1b9/0x820 [ 439.077204] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 439.082570] ? syscall_return_slowpath+0x5e0/0x5e0 [ 439.087517] ? trace_hardirqs_off+0x300/0x300 [ 439.092016] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 439.097033] ? recalc_sigpending_tsk+0x180/0x180 [ 439.101805] ? kasan_check_write+0x14/0x20 [ 439.106046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.110899] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 439.116284] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 439.116373] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 439.123474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.123480] Call Trace: [ 439.123488] [ 439.123505] dump_stack+0x1c4/0x2b4 [ 439.123522] ? dump_stack_print_info.cold.2+0x52/0x52 [ 439.130101] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 439.139397] warn_alloc.cold.118+0xb7/0x1bd [ 439.141947] syz-executor4 cpuset= [ 439.144092] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 439.147695] syz4 [ 439.152878] ? lock_downgrade+0x900/0x900 [ 439.163349] mems_allowed=0 [ 439.167672] ? trace_hardirqs_off+0xb8/0x300 [ 439.189356] ? trace_hardirqs_off+0xb8/0x300 [ 439.193773] __alloc_pages_slowpath+0x2667/0x2d80 [ 439.198650] ? warn_alloc+0x120/0x120 [ 439.202456] ? warn_alloc+0x120/0x120 [ 439.206258] ? print_usage_bug+0xc0/0xc0 [ 439.210324] ? warn_alloc+0x120/0x120 [ 439.214128] ? print_usage_bug+0xc0/0xc0 [ 439.218193] ? __lock_acquire+0x7ec/0x4ec0 [ 439.222430] ? __lock_acquire+0x7ec/0x4ec0 [ 439.226665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.232202] ? should_fail+0x22d/0xd01 [ 439.236096] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.241208] ? __lock_acquire+0x7ec/0x4ec0 [ 439.245448] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.250552] ? __lock_acquire+0x7ec/0x4ec0 [ 439.254802] ? should_fail+0x22d/0xd01 [ 439.258715] ? mark_held_locks+0x130/0x130 [ 439.262956] ? mark_held_locks+0x130/0x130 [ 439.267196] ? graph_lock+0x170/0x170 [ 439.271000] ? graph_lock+0x170/0x170 [ 439.274803] ? graph_lock+0x170/0x170 [ 439.278607] ? print_usage_bug+0xc0/0xc0 [ 439.282669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.288207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.293745] ? check_preemption_disabled+0x48/0x200 [ 439.298762] ? check_preemption_disabled+0x48/0x200 [ 439.303788] ? __lock_is_held+0xb5/0x140 [ 439.307859] __alloc_pages_nodemask+0xa80/0xde0 [ 439.312533] ? graph_lock+0x170/0x170 [ 439.316343] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 439.321361] ? graph_lock+0x170/0x170 [ 439.325175] ? find_held_lock+0x36/0x1c0 [ 439.329253] ? ____cache_alloc_node+0x1c7/0x1e0 [ 439.333928] ? lock_downgrade+0x900/0x900 [ 439.338092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.343663] cache_grow_begin+0x91/0x8c0 [ 439.347748] ? do_raw_spin_unlock+0xa7/0x2f0 [ 439.352184] fallback_alloc+0x203/0x2e0 [ 439.356182] ____cache_alloc_node+0x1c7/0x1e0 [ 439.360690] kmem_cache_alloc_node+0xe3/0x730 [ 439.365191] ? ipv6_get_ifaddr+0x42e/0x620 [ 439.369444] __alloc_skb+0x119/0x770 [ 439.373166] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 439.378453] ? skb_scrub_packet+0x490/0x490 [ 439.382782] ? lock_downgrade+0x900/0x900 [ 439.386949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.392494] ? refcount_sub_and_test_checked+0x203/0x310 [ 439.397958] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 439.403425] ? addrconf_rs_timer+0x6f0/0x6f0 [ 439.407856] ndisc_alloc_skb+0x144/0x340 [ 439.411931] ndisc_send_rs+0x331/0x6e0 [ 439.415828] addrconf_rs_timer+0x3c0/0x6f0 [ 439.420070] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.424338] call_timer_fn+0x272/0x920 [ 439.428231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.432470] ? process_timeout+0x40/0x40 [ 439.436536] ? find_held_lock+0x36/0x1c0 [ 439.440618] ? mark_held_locks+0xc7/0x130 [ 439.444772] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.449266] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.453759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.457996] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 439.462591] ? trace_hardirqs_on+0xbd/0x310 [ 439.466909] ? kasan_check_read+0x11/0x20 [ 439.471060] ? __run_timers+0x7da/0xc70 [ 439.475038] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.480499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.484739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.488973] __run_timers+0x7e5/0xc70 [ 439.492791] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 439.498168] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 439.503194] ? graph_lock+0x170/0x170 [ 439.507012] ? print_usage_bug+0xc0/0xc0 [ 439.511079] ? lock_release+0x970/0x970 [ 439.515109] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 439.520317] ? find_held_lock+0x36/0x1c0 [ 439.524385] ? graph_lock+0x170/0x170 [ 439.528196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.533739] ? check_preemption_disabled+0x48/0x200 [ 439.538774] ? __lock_is_held+0xb5/0x140 [ 439.542842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.548381] ? check_preemption_disabled+0x48/0x200 [ 439.553405] run_timer_softirq+0x52/0xb0 [ 439.557465] ? rcu_read_lock_sched_held+0x108/0x120 [ 439.562481] __do_softirq+0x30b/0xad8 [ 439.566294] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 439.571404] ? pvclock_read_flags+0x160/0x160 [ 439.575897] ? lapic_next_event+0x5a/0x90 [ 439.580047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.585594] ? check_preemption_disabled+0x48/0x200 [ 439.590615] ? check_preemption_disabled+0x48/0x200 [ 439.595639] ? kvm_clock_read+0x18/0x30 [ 439.599614] ? kvm_sched_clock_read+0x9/0x20 [ 439.604029] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.609568] ? check_preemption_disabled+0x48/0x200 [ 439.614616] irq_exit+0x17f/0x1c0 [ 439.618075] smp_apic_timer_interrupt+0x1cb/0x760 [ 439.622926] ? smp_reschedule_interrupt+0x109/0x650 [ 439.627947] ? smp_call_function_single_interrupt+0x650/0x650 [ 439.633834] ? interrupt_entry+0xb5/0xf0 [ 439.637895] ? trace_hardirqs_off_caller+0xbb/0x300 [ 439.642908] ? trace_hardirqs_off_caller+0xbb/0x300 [ 439.648221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.653068] ? trace_hardirqs_off+0x300/0x300 [ 439.657566] ? trace_hardirqs_off+0x300/0x300 [ 439.662068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.667610] ? check_preemption_disabled+0x48/0x200 [ 439.672624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.678169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.683022] apic_timer_interrupt+0xf/0x20 [ 439.687249] [ 439.689488] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 439.694763] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 439.713702] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 439.721431] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 439.728712] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 439.735993] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 439.743266] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 439.750544] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 439.757853] ? arch_local_irq_restore+0x45/0x52 [ 439.762546] dump_stack+0x26a/0x2b4 [ 439.766202] ? dump_stack_print_info.cold.2+0x52/0x52 [ 439.771441] ? mark_held_locks+0x130/0x130 [ 439.775708] ? mark_held_locks+0x130/0x130 [ 439.780078] dump_header+0x27b/0xf72 [ 439.783832] ? pagefault_out_of_memory+0x197/0x197 [ 439.788781] ? mark_held_locks+0x130/0x130 [ 439.793020] ? __lock_acquire+0x7ec/0x4ec0 [ 439.797266] ? print_usage_bug+0xc0/0xc0 [ 439.801348] ? graph_lock+0x170/0x170 [ 439.805151] ? graph_lock+0x170/0x170 [ 439.808959] ? print_usage_bug+0xc0/0xc0 [ 439.813022] ? print_usage_bug+0xc0/0xc0 [ 439.817092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.822640] ? find_held_lock+0x36/0x1c0 [ 439.826709] ? mark_held_locks+0xc7/0x130 [ 439.830865] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 439.835970] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 439.841073] ? lockdep_hardirqs_on+0x421/0x5c0 [ 439.845663] ? trace_hardirqs_on+0xbd/0x310 [ 439.849984] ? kasan_check_read+0x11/0x20 [ 439.854135] ? ___ratelimit+0x36f/0x655 [ 439.858132] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.863606] ? trace_hardirqs_on+0x310/0x310 [ 439.868033] ? lock_downgrade+0x900/0x900 [ 439.872204] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 439.877328] ? ___ratelimit+0xaa/0x655 [ 439.881239] ? idr_get_free+0xec0/0xec0 [ 439.885224] ? kasan_check_write+0x14/0x20 [ 439.889467] ? do_raw_spin_lock+0xc1/0x200 [ 439.893713] oom_kill_process.cold.27+0x10/0x903 [ 439.898475] ? graph_lock+0x170/0x170 [ 439.902279] ? _raw_spin_unlock+0x2c/0x50 [ 439.906429] ? oom_badness+0xe6/0xaa0 [ 439.910239] ? oom_evaluate_task+0x540/0x540 [ 439.914653] ? find_held_lock+0x36/0x1c0 [ 439.918724] ? out_of_memory+0x974/0x14c0 [ 439.922870] ? lock_downgrade+0x900/0x900 [ 439.927017] ? check_preemption_disabled+0x48/0x200 [ 439.932044] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 439.937842] ? kasan_check_read+0x11/0x20 [ 439.941991] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 439.947270] ? rcu_bh_qs+0xc0/0xc0 [ 439.950812] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 439.955827] ? oom_evaluate_task+0x302/0x540 [ 439.960242] out_of_memory+0xa86/0x14c0 [ 439.964224] ? oom_killer_disable+0x3a0/0x3a0 [ 439.968719] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 439.973650] ? __mutex_add_waiter+0x2a0/0x2a0 [ 439.978157] __alloc_pages_slowpath+0x2318/0x2d80 [ 439.983031] ? warn_alloc+0x120/0x120 [ 439.986833] ? lock_downgrade+0x900/0x900 [ 439.990986] ? print_usage_bug+0xc0/0xc0 [ 439.995046] ? warn_alloc+0x120/0x120 [ 439.998845] ? print_usage_bug+0xc0/0xc0 [ 440.002906] ? debug_check_no_obj_freed+0x305/0x58d [ 440.007925] ? print_usage_bug+0xc0/0xc0 [ 440.011995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.017532] ? should_fail+0x22d/0xd01 [ 440.021424] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.026528] ? __lock_acquire+0x7ec/0x4ec0 [ 440.030794] ? __lock_is_held+0xb5/0x140 [ 440.034861] ? graph_lock+0x170/0x170 [ 440.038664] ? ___might_sleep+0x1ed/0x300 [ 440.042808] ? lock_release+0x970/0x970 [ 440.046789] ? arch_local_save_flags+0x40/0x40 [ 440.051385] ? __might_sleep+0x95/0x190 [ 440.055367] __alloc_pages_nodemask+0xa80/0xde0 [ 440.060039] ? graph_lock+0x170/0x170 [ 440.063846] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 440.068860] ? graph_lock+0x170/0x170 [ 440.072672] ? mark_held_locks+0xc7/0x130 [ 440.076846] ? find_held_lock+0x36/0x1c0 [ 440.080915] ? cache_grow_begin+0x5a4/0x8c0 [ 440.085238] ? lockdep_hardirqs_on+0x421/0x5c0 [ 440.089821] ? trace_hardirqs_on+0xbd/0x310 [ 440.094146] ? fallback_alloc+0x203/0x2e0 [ 440.098298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 440.103757] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 440.109303] cache_grow_begin+0x91/0x8c0 [ 440.113365] ? do_raw_spin_unlock+0xa7/0x2f0 [ 440.117784] fallback_alloc+0x203/0x2e0 [ 440.121769] ____cache_alloc_node+0x1c7/0x1e0 [ 440.126271] kmem_cache_alloc_node_trace+0xe7/0x740 [ 440.131310] __kmalloc_node_track_caller+0x33/0x70 [ 440.136248] __kmalloc_reserve.isra.39+0x41/0xe0 [ 440.141015] __alloc_skb+0x155/0x770 [ 440.144742] ? skb_scrub_packet+0x490/0x490 [ 440.149067] ? if_nlmsg_size+0x5d1/0xbb0 [ 440.153138] ? nla_put_ifalias+0x170/0x170 [ 440.157386] ? softnet_seq_show+0x470/0x470 [ 440.161712] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 440.166745] ? netif_tx_stop_all_queues+0xd9/0x110 [ 440.171693] rtmsg_ifinfo_build_skb+0x74/0x190 [ 440.176285] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 440.181221] rtmsg_ifinfo+0x8c/0xa0 [ 440.184864] dev_close_many+0x3be/0x860 [ 440.188846] ? unlist_netdevice+0x670/0x670 [ 440.193172] ? find_held_lock+0x36/0x1c0 [ 440.197241] ? __queue_work+0x6be/0x1440 [ 440.201655] ? lock_downgrade+0x900/0x900 [ 440.205814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.211350] ? rtnl_is_locked+0xb5/0xf0 [ 440.215324] ? rtnl_trylock+0x20/0x20 [ 440.219135] ? do_raw_spin_unlock+0xa7/0x2f0 [ 440.223543] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 440.228135] rollback_registered_many+0x56e/0x1240 [ 440.233075] ? generic_xdp_install+0x4c0/0x4c0 [ 440.237666] ? max_active_store+0x170/0x170 [ 440.241992] ? graph_lock+0x170/0x170 [ 440.245793] ? print_usage_bug+0xc0/0xc0 [ 440.249858] ? print_usage_bug+0xc0/0xc0 [ 440.253922] ? kfree_skbmem+0x154/0x230 [ 440.257905] ? graph_lock+0x170/0x170 [ 440.261717] ? print_usage_bug+0xc0/0xc0 [ 440.265786] ? find_held_lock+0x36/0x1c0 [ 440.269860] ? mark_held_locks+0xc7/0x130 [ 440.274012] rollback_registered+0x1e9/0x420 [ 440.278422] ? lockdep_hardirqs_on+0x351/0x5c0 [ 440.283002] ? rollback_registered_many+0x1240/0x1240 [ 440.288193] ? trace_hardirqs_on+0xbd/0x310 [ 440.292515] ? linkwatch_schedule_work+0x150/0x170 [ 440.297444] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 440.302897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.308435] ? rtnl_is_locked+0xb5/0xf0 [ 440.312408] ? rtnl_trylock+0x20/0x20 [ 440.316213] ? queue_delayed_work_on+0x130/0x1f0 [ 440.320976] unregister_netdevice_queue+0x321/0x5e0 [ 440.325994] ? rollback_registered+0x420/0x420 [ 440.330576] ? linkwatch_schedule_work+0x170/0x170 [ 440.335516] ? tun_show_owner+0x170/0x170 [ 440.339665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.345207] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 440.350572] ? __tun_detach+0x6ba/0x15c0 [ 440.354653] __tun_detach+0x11b8/0x15c0 [ 440.358632] ? __call_rcu.constprop.69+0x429/0xbc0 [ 440.363574] ? tun_attach+0x1770/0x1770 [ 440.367559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.373109] ? check_preemption_disabled+0x48/0x200 [ 440.378141] ? graph_lock+0x170/0x170 [ 440.381948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.387495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.393047] ? locks_remove_file+0x3c6/0x5c0 [ 440.397476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.403027] ? ima_file_free+0x132/0x650 [ 440.407110] ? __lock_is_held+0xb5/0x140 [ 440.411180] ? __tun_detach+0x15c0/0x15c0 [ 440.415333] ? __tun_detach+0x15c0/0x15c0 [ 440.419483] tun_chr_close+0xe3/0x180 [ 440.423284] __fput+0x385/0xa30 [ 440.426572] ? get_max_files+0x20/0x20 [ 440.430478] ? ___might_sleep+0x1ed/0x300 [ 440.434628] ? arch_local_save_flags+0x40/0x40 [ 440.439218] ____fput+0x15/0x20 [ 440.442499] task_work_run+0x1e8/0x2a0 [ 440.446389] ? task_work_cancel+0x240/0x240 [ 440.450717] ? switch_task_namespaces+0xb8/0xd0 [ 440.455397] do_exit+0x1ad7/0x2610 [ 440.458951] ? mm_update_next_owner+0x990/0x990 [ 440.463628] ? print_usage_bug+0xc0/0xc0 [ 440.467695] ? __lock_acquire+0x7ec/0x4ec0 [ 440.471941] ? find_held_lock+0x36/0x1c0 [ 440.476016] ? __lock_acquire+0x7ec/0x4ec0 [ 440.480251] ? mark_held_locks+0x130/0x130 [ 440.484490] ? lock_acquire+0x1ed/0x520 [ 440.488475] ? mark_held_locks+0x130/0x130 [ 440.492708] ? arch_local_save_flags+0x40/0x40 [ 440.497288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.502841] ? __mutex_lock+0x872/0x1710 [ 440.506901] ? __switch_to_asm+0x40/0x70 [ 440.510961] ? __switch_to_asm+0x34/0x70 [ 440.515019] ? pipe_wait+0x266/0x2c0 [ 440.518742] ? mutex_trylock+0x2b0/0x2b0 [ 440.522815] ? graph_lock+0x170/0x170 [ 440.526617] ? find_held_lock+0x36/0x1c0 [ 440.530682] ? memset+0x31/0x40 [ 440.533967] ? find_held_lock+0x36/0x1c0 [ 440.538039] ? get_signal+0x95b/0x1980 [ 440.541932] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.546424] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.550931] do_group_exit+0x177/0x440 [ 440.554820] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 440.560272] ? __ia32_sys_exit+0x50/0x50 [ 440.564346] get_signal+0x8b0/0x1980 [ 440.568071] ? ptrace_notify+0x130/0x130 [ 440.572145] ? finish_wait+0x430/0x430 [ 440.576031] ? graph_lock+0x170/0x170 [ 440.579846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.585387] ? pipe_read+0x702/0x940 [ 440.589107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.594658] do_signal+0x9c/0x21e0 [ 440.598199] ? __vfs_read+0x11f/0x9b0 [ 440.602004] ? vfs_copy_file_range+0xb90/0xb90 [ 440.606604] ? setup_sigcontext+0x7d0/0x7d0 [ 440.610945] ? exit_to_usermode_loop+0x8c/0x380 [ 440.615640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.621185] exit_to_usermode_loop+0x2e5/0x380 [ 440.625774] ? syscall_slow_exit_work+0x520/0x520 [ 440.630625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.636175] do_syscall_64+0x6be/0x820 [ 440.640062] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 440.645431] ? syscall_return_slowpath+0x5e0/0x5e0 [ 440.650446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.655293] ? trace_hardirqs_off+0x300/0x300 [ 440.659799] ? prepare_exit_to_usermode+0x291/0x3b0 [ 440.664822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.669677] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 440.674871] RIP: 0033:0x410e10 [ 440.678066] Code: Bad RIP value. [ 440.681428] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 440.689138] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 440.696405] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 440.703855] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 440.711153] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 440.718437] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 440.725742] warn_alloc_show_mem: 1 callbacks suppressed [ 440.725754] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 440.725756] Mem-Info: [ 440.725787] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 440.725787] active_file:19 inactive_file:16 isolated_file:0 [ 440.725787] unevictable:0 dirty:0 writeback:0 unstable:0 [ 440.725787] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 440.725787] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 440.725787] free:13785 free_pcp:397 free_cma:0 [ 440.731133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.738407] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 440.740808] Call Trace: [ 440.773611] Node 0 [ 440.783244] [ 440.810860] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 440.813430] dump_stack+0x1c4/0x2b4 [ 440.815627] lowmem_reserve[]: 0 [ 440.817780] ? dump_stack_print_info.cold.2+0x52/0x52 [ 440.843270] 2815 [ 440.846921] warn_alloc.cold.118+0xb7/0x1bd [ 440.850152] 6318 [ 440.855334] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 440.857374] 6318 [ 440.861691] ? lock_downgrade+0x900/0x900 [ 440.868571] ? trace_hardirqs_off+0xb8/0x300 [ 440.870615] Node 0 [ 440.874754] ? trace_hardirqs_off+0xb8/0x300 [ 440.879158] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 440.881368] __alloc_pages_slowpath+0x2667/0x2d80 [ 440.885750] lowmem_reserve[]: [ 440.912493] ? warn_alloc+0x120/0x120 [ 440.917281] 0 [ 440.920384] ? warn_alloc+0x120/0x120 [ 440.924153] 0 [ 440.925952] ? print_usage_bug+0xc0/0xc0 [ 440.929726] 3503 [ 440.931526] ? warn_alloc+0x120/0x120 [ 440.935563] 3503 [ 440.937631] ? print_usage_bug+0xc0/0xc0 [ 440.943460] ? __lock_acquire+0x7ec/0x4ec0 [ 440.947496] Node 0 [ 440.951721] ? __lock_acquire+0x7ec/0x4ec0 [ 440.951753] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 440.951761] lowmem_reserve[]: [ 440.953993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.958201] 0 [ 440.986753] ? should_fail+0x22d/0xd01 [ 440.989829] 0 0 [ 440.995394] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.997168] 0 [ 441.001046] ? __lock_acquire+0x7ec/0x4ec0 [ 441.008093] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.009873] Node 0 [ 441.014100] ? __lock_acquire+0x7ec/0x4ec0 [ 441.019179] DMA: [ 441.021413] ? should_fail+0x22d/0xd01 [ 441.025625] 1*4kB [ 441.027685] ? mark_held_locks+0x130/0x130 [ 441.031540] (U) [ 441.033685] ? mark_held_locks+0x130/0x130 [ 441.037892] 0*8kB [ 441.039858] ? graph_lock+0x170/0x170 [ 441.044066] 0*16kB 1*32kB [ 441.046217] ? graph_lock+0x170/0x170 [ 441.049994] (U) [ 441.052847] ? graph_lock+0x170/0x170 [ 441.056626] 2*64kB [ 441.058610] ? print_usage_bug+0xc0/0xc0 [ 441.062382] (U) [ 441.064620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.068657] 1*128kB [ 441.070633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.076155] (U) [ 441.078472] ? check_preemption_disabled+0x48/0x200 [ 441.083989] 1*256kB [ 441.085955] ? check_preemption_disabled+0x48/0x200 [ 441.090945] (U) [ 441.093271] ? __lock_is_held+0xb5/0x140 [ 441.098255] 0*512kB [ 441.100225] __alloc_pages_nodemask+0xa80/0xde0 [ 441.104269] 1*1024kB [ 441.106610] ? graph_lock+0x170/0x170 [ 441.111250] (U) [ 441.113655] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 441.117427] 1*2048kB [ 441.119396] ? graph_lock+0x170/0x170 [ 441.124386] (M) [ 441.126882] ? find_held_lock+0x36/0x1c0 [ 441.130653] 3*4096kB [ 441.132632] ? ____cache_alloc_node+0x1c7/0x1e0 [ 441.136659] (M) [ 441.139063] ? lock_downgrade+0x900/0x900 [ 441.143706] = 15908kB [ 441.145682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.149815] Node 0 [ 441.152228] cache_grow_begin+0x91/0x8c0 [ 441.157733] DMA32: [ 441.159969] ? do_raw_spin_unlock+0xa7/0x2f0 [ 441.164003] 3*4kB [ 441.166254] fallback_alloc+0x203/0x2e0 [ 441.170642] (M) [ 441.172801] ____cache_alloc_node+0x1c7/0x1e0 [ 441.176734] 1*8kB [ 441.178709] kmem_cache_alloc_node+0xe3/0x730 [ 441.183170] (M) [ 441.185319] ? ipv6_get_ifaddr+0x42e/0x620 [ 441.189784] 3*16kB [ 441.191770] __alloc_skb+0x119/0x770 [ 441.195968] (UM) [ 441.198210] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 441.201892] 3*32kB [ 441.203957] ? skb_scrub_packet+0x490/0x490 [ 441.209199] (UM) [ 441.211434] ? lock_downgrade+0x900/0x900 [ 441.215725] 2*64kB [ 441.217785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.221902] (UM) [ 441.224138] ? refcount_sub_and_test_checked+0x203/0x310 [ 441.229647] 5*128kB [ 441.231711] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 441.237137] (UM) [ 441.239458] ? addrconf_rs_timer+0x6f0/0x6f0 [ 441.244881] 3*256kB [ 441.246947] ndisc_alloc_skb+0x144/0x340 [ 441.251318] (M) [ 441.253637] ndisc_send_rs+0x331/0x6e0 [ 441.257671] 4*512kB [ 441.259645] addrconf_rs_timer+0x3c0/0x6f0 [ 441.263500] (M) [ 441.265818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.270027] 3*1024kB [ 441.272004] call_timer_fn+0x272/0x920 [ 441.276198] (UM) 3*2048kB [ 441.278620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.282479] (M) [ 441.285317] ? process_timeout+0x40/0x40 [ 441.289522] 3*4096kB [ 441.291493] ? find_held_lock+0x36/0x1c0 [ 441.295525] (M) [ 441.297938] ? __run_timers+0x7da/0xc70 [ 441.301966] = 25252kB [ 441.303934] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.307882] Node 0 [ 441.310286] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.314758] Normal: [ 441.316989] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.321452] 1016*4kB (UME) [ 441.323788] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 441.328031] 348*8kB [ 441.331042] ? trace_hardirqs_on+0xbd/0x310 [ 441.335608] (UME) [ 441.337927] ? kasan_check_read+0x11/0x20 [ 441.342228] 167*16kB [ 441.344370] ? __run_timers+0x7da/0xc70 [ 441.348492] (UME) [ 441.350896] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 441.354840] 68*32kB [ 441.356995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.362412] (UME) [ 441.364733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.368937] 21*64kB [ 441.371084] __run_timers+0x7e5/0xc70 [ 441.375289] (M) [ 441.377628] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 441.381387] 6*128kB [ 441.383355] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 441.388693] (UM) [ 441.391011] ? graph_lock+0x170/0x170 [ 441.396004] 1*256kB [ 441.398059] ? enqueue_hrtimer+0x1a5/0x560 [ 441.401831] (U) [ 441.404147] ? lock_release+0x970/0x970 [ 441.408356] 0*512kB [ 441.410324] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 441.414275] 0*1024kB [ 441.416609] ? find_held_lock+0x36/0x1c0 [ 441.421763] 0*2048kB 0*4096kB [ 441.424179] ? graph_lock+0x170/0x170 [ 441.428213] = 14064kB [ 441.431399] ? pvclock_read_flags+0x160/0x160 [ 441.435182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 441.437586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.442059] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 441.450880] ? check_preemption_disabled+0x48/0x200 [ 441.456389] 503 total pagecache pages [ 441.464963] ? __lock_is_held+0xb5/0x140 [ 441.469956] 0 pages in swap cache [ 441.473741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.477781] Swap cache stats: add 0, delete 0, find 0/0 [ 441.481223] ? check_preemption_disabled+0x48/0x200 [ 441.486733] Free swap = 0kB [ 441.492095] run_timer_softirq+0x52/0xb0 [ 441.497084] Total swap = 0kB [ 441.500096] ? rcu_read_lock_sched_held+0x108/0x120 [ 441.504131] 1965979 pages RAM [ 441.507147] __do_softirq+0x30b/0xad8 [ 441.512132] 0 pages HighMem/MovableOnly [ 441.515238] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 441.519002] 343324 pages reserved [ 441.522966] ? pvclock_read_flags+0x160/0x160 [ 441.528047] 0 pages cma reserved [ 441.531501] ? lapic_next_event+0x5a/0x90 [ 441.536053] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 441.539328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.543551] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 441.550037] ? check_preemption_disabled+0x48/0x200 [ 441.555550] syz-executor2 cpuset= [ 441.566028] ? check_preemption_disabled+0x48/0x200 [ 441.571019] syz2 [ 441.574468] ? kvm_clock_read+0x18/0x30 [ 441.579474] mems_allowed=0 [ 441.581442] ? kvm_sched_clock_read+0x9/0x20 [ 441.592712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.598336] ? check_preemption_disabled+0x48/0x200 [ 441.603384] irq_exit+0x17f/0x1c0 [ 441.606847] smp_apic_timer_interrupt+0x1cb/0x760 [ 441.611692] ? smp_reschedule_interrupt+0x109/0x650 [ 441.616719] ? smp_call_function_single_interrupt+0x650/0x650 [ 441.622618] ? interrupt_entry+0xb5/0xf0 [ 441.626681] ? trace_hardirqs_off_caller+0xbb/0x300 [ 441.631700] ? trace_hardirqs_off_caller+0xbb/0x300 [ 441.636725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.641566] ? trace_hardirqs_off+0x300/0x300 [ 441.646556] ? trace_hardirqs_off+0x300/0x300 [ 441.651064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.656688] ? check_preemption_disabled+0x48/0x200 [ 441.661707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.667255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.672108] apic_timer_interrupt+0xf/0x20 [ 441.676335] [ 441.678575] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 441.683523] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 441.702427] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 441.710139] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 441.717403] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 441.724673] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 441.731939] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 441.739208] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 441.746526] skb_clone+0x1bb/0x500 [ 441.750073] ? skb_split+0x11e0/0x11e0 [ 441.753962] ? preempt_notifier_register+0x200/0x200 [ 441.759110] ? __switch_to_asm+0x34/0x70 [ 441.763218] ? __switch_to_asm+0x34/0x70 [ 441.767278] ? __switch_to_asm+0x40/0x70 [ 441.771341] ? __switch_to_asm+0x34/0x70 [ 441.775403] ? __switch_to_asm+0x40/0x70 [ 441.779462] ? __switch_to_asm+0x40/0x70 [ 441.783522] ? __switch_to_asm+0x34/0x70 [ 441.787590] ? __switch_to_asm+0x34/0x70 [ 441.791661] ? __switch_to_asm+0x40/0x70 [ 441.795721] ? __switch_to_asm+0x34/0x70 [ 441.799794] bpf_clone_redirect+0xb9/0x490 [ 441.804039] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 441.809090] ? __sched_text_start+0x8/0x8 [ 441.813239] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 441.818012] ? find_held_lock+0x36/0x1c0 [ 441.822082] ? lock_acquire+0x1ed/0x520 [ 441.826061] ? bpf_test_run+0x32e/0x5a0 [ 441.830039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.835588] ? check_preemption_disabled+0x48/0x200 [ 441.840625] ? kasan_check_read+0x11/0x20 [ 441.844778] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 441.850056] ? rcu_bh_qs+0xc0/0xc0 [ 441.853612] ? preempt_schedule+0x4d/0x60 [ 441.857765] ? ___preempt_schedule+0x16/0x18 [ 441.862183] ? bpf_test_run+0x1c0/0x5a0 [ 441.866166] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 441.871025] ? netlink_diag_dump+0x2a0/0x2a0 [ 441.875439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.880974] ? bpf_test_init.isra.9+0x70/0x100 [ 441.885563] ? bpf_prog_test_run_skb+0x634/0xb40 [ 441.890352] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 441.895196] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 441.900732] ? fput+0x130/0x1a0 [ 441.904015] ? __bpf_prog_get+0x9b/0x290 [ 441.908080] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 441.912920] ? bpf_prog_test_run+0x130/0x1a0 [ 441.917332] ? __x64_sys_bpf+0x3d8/0x510 [ 441.921397] ? bpf_prog_get+0x20/0x20 [ 441.925216] ? do_syscall_64+0x1b9/0x820 [ 441.929277] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 441.934646] ? syscall_return_slowpath+0x5e0/0x5e0 [ 441.939589] ? trace_hardirqs_off+0x300/0x300 [ 441.944097] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 441.949113] ? recalc_sigpending_tsk+0x180/0x180 [ 441.953874] ? kasan_check_write+0x14/0x20 [ 441.958116] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.962974] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 441.968355] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 441.968450] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 441.975545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.975550] Call Trace: [ 441.975558] [ 441.975574] dump_stack+0x1c4/0x2b4 [ 441.975603] ? dump_stack_print_info.cold.2+0x52/0x52 [ 441.975631] warn_alloc.cold.118+0xb7/0x1bd [ 441.982164] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 441.991450] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 441.994009] syz-executor4 cpuset= [ 441.996155] ? lock_downgrade+0x900/0x900 [ 441.999757] syz4 [ 442.004945] ? trace_hardirqs_off+0xb8/0x300 [ 442.009236] mems_allowed=0 [ 442.019719] ? trace_hardirqs_off+0xb8/0x300 [ 442.045780] __alloc_pages_slowpath+0x2667/0x2d80 [ 442.050658] ? warn_alloc+0x120/0x120 [ 442.054469] ? trace_hardirqs_on+0x310/0x310 [ 442.058880] ? warn_alloc+0x120/0x120 [ 442.062684] ? print_usage_bug+0xc0/0xc0 [ 442.066745] ? warn_alloc+0x120/0x120 [ 442.070548] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 442.075572] ? print_usage_bug+0xc0/0xc0 [ 442.079648] ? __lock_acquire+0x7ec/0x4ec0 [ 442.084068] ? __lock_acquire+0x7ec/0x4ec0 [ 442.088307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.093848] ? should_fail+0x22d/0xd01 [ 442.097743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.102850] ? __lock_acquire+0x7ec/0x4ec0 [ 442.107090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.112196] ? __lock_acquire+0x7ec/0x4ec0 [ 442.116433] ? should_fail+0x22d/0xd01 [ 442.120319] ? print_usage_bug+0xc0/0xc0 [ 442.124395] ? mark_held_locks+0x130/0x130 [ 442.128640] ? mark_held_locks+0x130/0x130 [ 442.132885] ? graph_lock+0x170/0x170 [ 442.136685] ? print_usage_bug+0xc0/0xc0 [ 442.140744] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 442.145505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.151039] ? check_preemption_disabled+0x48/0x200 [ 442.156061] ? check_preemption_disabled+0x48/0x200 [ 442.161091] ? __lock_is_held+0xb5/0x140 [ 442.165167] __alloc_pages_nodemask+0xa80/0xde0 [ 442.169840] ? graph_lock+0x170/0x170 [ 442.173677] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 442.178694] ? graph_lock+0x170/0x170 [ 442.182510] ? find_held_lock+0x36/0x1c0 [ 442.186604] ? ____cache_alloc_node+0x1c7/0x1e0 [ 442.191285] ? lock_downgrade+0x900/0x900 [ 442.195447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.201003] cache_grow_begin+0x91/0x8c0 [ 442.205073] ? do_raw_spin_unlock+0xa7/0x2f0 [ 442.209498] fallback_alloc+0x203/0x2e0 [ 442.213489] ____cache_alloc_node+0x1c7/0x1e0 [ 442.217996] kmem_cache_alloc_node+0xe3/0x730 [ 442.222494] ? ipv6_get_ifaddr+0x42e/0x620 [ 442.226745] __alloc_skb+0x119/0x770 [ 442.230461] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 442.235755] ? skb_scrub_packet+0x490/0x490 [ 442.240081] ? lock_downgrade+0x900/0x900 [ 442.244241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.249790] ? refcount_sub_and_test_checked+0x203/0x310 [ 442.255243] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 442.260708] ? addrconf_rs_timer+0x6f0/0x6f0 [ 442.265136] ndisc_alloc_skb+0x144/0x340 [ 442.269204] ndisc_send_rs+0x331/0x6e0 [ 442.273098] addrconf_rs_timer+0x3c0/0x6f0 [ 442.277344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.281603] call_timer_fn+0x272/0x920 [ 442.285493] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.289738] ? process_timeout+0x40/0x40 [ 442.293798] ? find_held_lock+0x36/0x1c0 [ 442.297872] ? mark_held_locks+0xc7/0x130 [ 442.302028] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.306524] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.311018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.315254] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 442.319838] ? trace_hardirqs_on+0xbd/0x310 [ 442.324161] ? kasan_check_read+0x11/0x20 [ 442.328314] ? __run_timers+0x7da/0xc70 [ 442.332288] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.337747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.341990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.346228] __run_timers+0x7e5/0xc70 [ 442.350042] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 442.355408] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 442.360424] ? graph_lock+0x170/0x170 [ 442.364229] ? print_usage_bug+0xc0/0xc0 [ 442.368289] ? lock_release+0x970/0x970 [ 442.372262] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 442.377459] ? find_held_lock+0x36/0x1c0 [ 442.381525] ? graph_lock+0x170/0x170 [ 442.385333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.390867] ? check_preemption_disabled+0x48/0x200 [ 442.395892] ? __lock_is_held+0xb5/0x140 [ 442.399957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.405490] ? check_preemption_disabled+0x48/0x200 [ 442.410515] run_timer_softirq+0x52/0xb0 [ 442.414576] ? rcu_read_lock_sched_held+0x108/0x120 [ 442.419615] __do_softirq+0x30b/0xad8 [ 442.423428] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 442.428540] ? pvclock_read_flags+0x160/0x160 [ 442.433038] ? lapic_next_event+0x5a/0x90 [ 442.437185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.442720] ? check_preemption_disabled+0x48/0x200 [ 442.447732] ? check_preemption_disabled+0x48/0x200 [ 442.452757] ? kvm_clock_read+0x18/0x30 [ 442.456730] ? kvm_sched_clock_read+0x9/0x20 [ 442.461144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.466681] ? check_preemption_disabled+0x48/0x200 [ 442.471711] irq_exit+0x17f/0x1c0 [ 442.479947] smp_apic_timer_interrupt+0x1cb/0x760 [ 442.484789] ? smp_reschedule_interrupt+0x109/0x650 [ 442.489808] ? smp_call_function_single_interrupt+0x650/0x650 [ 442.495693] ? interrupt_entry+0xb5/0xf0 [ 442.500034] ? trace_hardirqs_off_caller+0xbb/0x300 [ 442.505050] ? trace_hardirqs_off_caller+0xbb/0x300 [ 442.510076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.514923] ? trace_hardirqs_off+0x300/0x300 [ 442.519419] ? trace_hardirqs_off+0x300/0x300 [ 442.523917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.529454] ? check_preemption_disabled+0x48/0x200 [ 442.534474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.540027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.544884] apic_timer_interrupt+0xf/0x20 [ 442.549120] [ 442.551362] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 442.556663] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 442.575590] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 442.583323] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 442.590615] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 442.597901] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 442.605183] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 442.612463] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 442.619766] ? arch_local_irq_restore+0x45/0x52 [ 442.624449] dump_stack+0x26a/0x2b4 [ 442.628086] ? dump_stack_print_info.cold.2+0x52/0x52 [ 442.633287] ? mark_held_locks+0x130/0x130 [ 442.637525] ? mark_held_locks+0x130/0x130 [ 442.641775] dump_header+0x27b/0xf72 [ 442.645505] ? pagefault_out_of_memory+0x197/0x197 [ 442.650444] ? mark_held_locks+0x130/0x130 [ 442.654684] ? __lock_acquire+0x7ec/0x4ec0 [ 442.658934] ? print_usage_bug+0xc0/0xc0 [ 442.663007] ? graph_lock+0x170/0x170 [ 442.666806] ? graph_lock+0x170/0x170 [ 442.670622] ? print_usage_bug+0xc0/0xc0 [ 442.674697] ? print_usage_bug+0xc0/0xc0 [ 442.678772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.684333] ? find_held_lock+0x36/0x1c0 [ 442.688407] ? mark_held_locks+0xc7/0x130 [ 442.692577] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 442.697689] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 442.702810] ? lockdep_hardirqs_on+0x421/0x5c0 [ 442.707399] ? trace_hardirqs_on+0xbd/0x310 [ 442.711722] ? kasan_check_read+0x11/0x20 [ 442.715874] ? ___ratelimit+0x36f/0x655 [ 442.719861] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.725319] ? trace_hardirqs_on+0x310/0x310 [ 442.729732] ? lock_downgrade+0x900/0x900 [ 442.733909] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 442.739021] ? ___ratelimit+0xaa/0x655 [ 442.742914] ? idr_get_free+0xec0/0xec0 [ 442.746887] ? kasan_check_write+0x14/0x20 [ 442.751129] ? do_raw_spin_lock+0xc1/0x200 [ 442.755460] oom_kill_process.cold.27+0x10/0x903 [ 442.760223] ? graph_lock+0x170/0x170 [ 442.764030] ? _raw_spin_unlock+0x2c/0x50 [ 442.768181] ? oom_badness+0xe6/0xaa0 [ 442.772008] ? oom_evaluate_task+0x540/0x540 [ 442.776924] ? find_held_lock+0x36/0x1c0 [ 442.780999] ? out_of_memory+0x974/0x14c0 [ 442.785151] ? lock_downgrade+0x900/0x900 [ 442.789298] ? check_preemption_disabled+0x48/0x200 [ 442.794323] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 442.800128] ? kasan_check_read+0x11/0x20 [ 442.804284] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 442.809563] ? rcu_bh_qs+0xc0/0xc0 [ 442.813120] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 442.818144] ? oom_evaluate_task+0x302/0x540 [ 442.822569] out_of_memory+0xa86/0x14c0 [ 442.826577] ? oom_killer_disable+0x3a0/0x3a0 [ 442.831095] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 442.836039] ? __mutex_add_waiter+0x2a0/0x2a0 [ 442.840554] __alloc_pages_slowpath+0x2318/0x2d80 [ 442.845445] ? warn_alloc+0x120/0x120 [ 442.849257] ? lock_downgrade+0x900/0x900 [ 442.853412] ? print_usage_bug+0xc0/0xc0 [ 442.857477] ? warn_alloc+0x120/0x120 [ 442.861280] ? print_usage_bug+0xc0/0xc0 [ 442.865346] ? debug_check_no_obj_freed+0x305/0x58d [ 442.870367] ? print_usage_bug+0xc0/0xc0 [ 442.874435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.879973] ? should_fail+0x22d/0xd01 [ 442.883869] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.888980] ? __lock_acquire+0x7ec/0x4ec0 [ 442.893247] ? __lock_is_held+0xb5/0x140 [ 442.897323] ? graph_lock+0x170/0x170 [ 442.901134] ? ___might_sleep+0x1ed/0x300 [ 442.905282] ? lock_release+0x970/0x970 [ 442.909266] ? arch_local_save_flags+0x40/0x40 [ 442.913866] ? __might_sleep+0x95/0x190 [ 442.917852] __alloc_pages_nodemask+0xa80/0xde0 [ 442.922525] ? graph_lock+0x170/0x170 [ 442.926335] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 442.931351] ? graph_lock+0x170/0x170 [ 442.935180] ? mark_held_locks+0xc7/0x130 [ 442.939339] ? find_held_lock+0x36/0x1c0 [ 442.943412] ? cache_grow_begin+0x5a4/0x8c0 [ 442.947739] ? lockdep_hardirqs_on+0x421/0x5c0 [ 442.952326] ? trace_hardirqs_on+0xbd/0x310 [ 442.956651] ? fallback_alloc+0x203/0x2e0 [ 442.960812] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.966287] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 442.971851] cache_grow_begin+0x91/0x8c0 [ 442.975937] ? do_raw_spin_unlock+0xa7/0x2f0 [ 442.980412] fallback_alloc+0x203/0x2e0 [ 442.984412] ____cache_alloc_node+0x1c7/0x1e0 [ 442.988925] kmem_cache_alloc_node_trace+0xe7/0x740 [ 442.993963] __kmalloc_node_track_caller+0x33/0x70 [ 442.998908] __kmalloc_reserve.isra.39+0x41/0xe0 [ 443.003681] __alloc_skb+0x155/0x770 [ 443.007406] ? skb_scrub_packet+0x490/0x490 [ 443.011731] ? if_nlmsg_size+0x5d1/0xbb0 [ 443.015799] ? nla_put_ifalias+0x170/0x170 [ 443.020052] ? softnet_seq_show+0x470/0x470 [ 443.024374] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 443.029390] ? netif_tx_stop_all_queues+0xd9/0x110 [ 443.034328] rtmsg_ifinfo_build_skb+0x74/0x190 [ 443.038917] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 443.043766] rtmsg_ifinfo+0x8c/0xa0 [ 443.047398] dev_close_many+0x3be/0x860 [ 443.051381] ? unlist_netdevice+0x670/0x670 [ 443.055706] ? find_held_lock+0x36/0x1c0 [ 443.059780] ? __queue_work+0x6be/0x1440 [ 443.063844] ? lock_downgrade+0x900/0x900 [ 443.067998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.073539] ? rtnl_is_locked+0xb5/0xf0 [ 443.077516] ? rtnl_trylock+0x20/0x20 [ 443.081317] ? do_raw_spin_unlock+0xa7/0x2f0 [ 443.085728] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 443.090319] rollback_registered_many+0x56e/0x1240 [ 443.095260] ? generic_xdp_install+0x4c0/0x4c0 [ 443.099852] ? max_active_store+0x170/0x170 [ 443.104177] ? graph_lock+0x170/0x170 [ 443.107982] ? print_usage_bug+0xc0/0xc0 [ 443.112046] ? print_usage_bug+0xc0/0xc0 [ 443.116114] ? kfree_skbmem+0x154/0x230 [ 443.120093] ? graph_lock+0x170/0x170 [ 443.123902] ? print_usage_bug+0xc0/0xc0 [ 443.127966] ? find_held_lock+0x36/0x1c0 [ 443.132044] ? mark_held_locks+0xc7/0x130 [ 443.136203] rollback_registered+0x1e9/0x420 [ 443.140622] ? lockdep_hardirqs_on+0x351/0x5c0 [ 443.145207] ? rollback_registered_many+0x1240/0x1240 [ 443.150401] ? trace_hardirqs_on+0xbd/0x310 [ 443.154738] ? linkwatch_schedule_work+0x150/0x170 [ 443.159685] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 443.165151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.170703] ? rtnl_is_locked+0xb5/0xf0 [ 443.174692] ? rtnl_trylock+0x20/0x20 [ 443.178508] ? queue_delayed_work_on+0x130/0x1f0 [ 443.183281] unregister_netdevice_queue+0x321/0x5e0 [ 443.188306] ? rollback_registered+0x420/0x420 [ 443.192894] ? linkwatch_schedule_work+0x170/0x170 [ 443.197828] ? tun_show_owner+0x170/0x170 [ 443.201982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.207531] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 443.212903] ? __tun_detach+0x6ba/0x15c0 [ 443.216981] __tun_detach+0x11b8/0x15c0 [ 443.220960] ? __call_rcu.constprop.69+0x429/0xbc0 [ 443.225911] ? tun_attach+0x1770/0x1770 [ 443.229903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.235452] ? check_preemption_disabled+0x48/0x200 [ 443.240484] ? graph_lock+0x170/0x170 [ 443.244292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.249832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.255378] ? locks_remove_file+0x3c6/0x5c0 [ 443.259794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.265336] ? ima_file_free+0x132/0x650 [ 443.269408] ? __lock_is_held+0xb5/0x140 [ 443.273482] ? __tun_detach+0x15c0/0x15c0 [ 443.277649] ? __tun_detach+0x15c0/0x15c0 [ 443.281809] tun_chr_close+0xe3/0x180 [ 443.285623] __fput+0x385/0xa30 [ 443.288918] ? get_max_files+0x20/0x20 [ 443.292821] ? ___might_sleep+0x1ed/0x300 [ 443.296977] ? arch_local_save_flags+0x40/0x40 [ 443.301570] ____fput+0x15/0x20 [ 443.304863] task_work_run+0x1e8/0x2a0 [ 443.308757] ? task_work_cancel+0x240/0x240 [ 443.313085] ? switch_task_namespaces+0xb8/0xd0 [ 443.317769] do_exit+0x1ad7/0x2610 [ 443.321323] ? mm_update_next_owner+0x990/0x990 [ 443.326015] ? print_usage_bug+0xc0/0xc0 [ 443.330086] ? __lock_acquire+0x7ec/0x4ec0 [ 443.334333] ? find_held_lock+0x36/0x1c0 [ 443.338405] ? __lock_acquire+0x7ec/0x4ec0 [ 443.342641] ? mark_held_locks+0x130/0x130 [ 443.346883] ? lock_acquire+0x1ed/0x520 [ 443.350866] ? mark_held_locks+0x130/0x130 [ 443.355101] ? arch_local_save_flags+0x40/0x40 [ 443.359693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.365266] ? __mutex_lock+0x872/0x1710 [ 443.369341] ? __switch_to_asm+0x40/0x70 [ 443.373411] ? __switch_to_asm+0x34/0x70 [ 443.377475] ? pipe_wait+0x266/0x2c0 [ 443.381197] ? mutex_trylock+0x2b0/0x2b0 [ 443.385277] ? graph_lock+0x170/0x170 [ 443.389077] ? find_held_lock+0x36/0x1c0 [ 443.393146] ? memset+0x31/0x40 [ 443.396432] ? find_held_lock+0x36/0x1c0 [ 443.400507] ? get_signal+0x95b/0x1980 [ 443.404396] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.408892] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.413398] do_group_exit+0x177/0x440 [ 443.417293] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 443.422804] ? __ia32_sys_exit+0x50/0x50 [ 443.426883] get_signal+0x8b0/0x1980 [ 443.430619] ? ptrace_notify+0x130/0x130 [ 443.434691] ? finish_wait+0x430/0x430 [ 443.438605] ? graph_lock+0x170/0x170 [ 443.442422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.447958] ? pipe_read+0x702/0x940 [ 443.451678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.457231] do_signal+0x9c/0x21e0 [ 443.460774] ? __vfs_read+0x11f/0x9b0 [ 443.464588] ? vfs_copy_file_range+0xb90/0xb90 [ 443.469177] ? setup_sigcontext+0x7d0/0x7d0 [ 443.473518] ? exit_to_usermode_loop+0x8c/0x380 [ 443.478213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.483762] exit_to_usermode_loop+0x2e5/0x380 [ 443.488347] ? syscall_slow_exit_work+0x520/0x520 [ 443.493189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.498738] do_syscall_64+0x6be/0x820 [ 443.502631] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 443.507997] ? syscall_return_slowpath+0x5e0/0x5e0 [ 443.512926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.517784] ? trace_hardirqs_off+0x300/0x300 [ 443.522299] ? prepare_exit_to_usermode+0x291/0x3b0 [ 443.527330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.532186] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 443.537376] RIP: 0033:0x410e10 [ 443.540575] Code: Bad RIP value. [ 443.543946] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 443.551661] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 443.558934] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 443.566212] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 443.573486] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 443.580764] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 443.588076] warn_alloc_show_mem: 1 callbacks suppressed [ 443.588089] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 443.588091] Mem-Info: [ 443.588126] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 443.588126] active_file:19 inactive_file:16 isolated_file:0 [ 443.588126] unevictable:0 dirty:0 writeback:0 unstable:0 [ 443.588126] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 443.588126] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 443.588126] free:13785 free_pcp:397 free_cma:0 [ 443.593486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 443.600772] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 443.603173] Call Trace: [ 443.635967] Node 0 [ 443.645851] [ 443.673552] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 443.676119] dump_stack+0x1c4/0x2b4 [ 443.678334] lowmem_reserve[]: [ 443.680479] ? dump_stack_print_info.cold.2+0x52/0x52 [ 443.706140] 0 [ 443.709784] warn_alloc.cold.118+0xb7/0x1bd [ 443.712849] 2815 [ 443.718038] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 443.719819] 6318 [ 443.724134] ? lock_downgrade+0x900/0x900 [ 443.726170] 6318 [ 443.731013] ? trace_hardirqs_off+0xb8/0x300 [ 443.737189] ? trace_hardirqs_off+0xb8/0x300 [ 443.739225] Node 0 [ 443.743642] __alloc_pages_slowpath+0x2667/0x2d80 [ 443.748046] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 443.750283] ? warn_alloc+0x120/0x120 [ 443.755078] lowmem_reserve[]: [ 443.781817] ? warn_alloc+0x120/0x120 [ 443.785601] 0 [ 443.788710] ? print_usage_bug+0xc0/0xc0 [ 443.792486] 0 [ 443.794284] ? warn_alloc+0x120/0x120 [ 443.798316] 3503 3503 [ 443.800127] ? print_usage_bug+0xc0/0xc0 [ 443.806391] ? __lock_acquire+0x7ec/0x4ec0 [ 443.810428] Node 0 [ 443.814654] ? __lock_acquire+0x7ec/0x4ec0 [ 443.814690] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 443.816914] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.821120] lowmem_reserve[]: [ 443.849683] ? should_fail+0x22d/0xd01 [ 443.855195] 0 [ 443.858299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.862152] 0 0 [ 443.863961] ? __lock_acquire+0x7ec/0x4ec0 [ 443.869039] 0 [ 443.871017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.877029] ? __lock_acquire+0x7ec/0x4ec0 [ 443.882108] Node 0 [ 443.886331] ? should_fail+0x22d/0xd01 [ 443.886341] DMA: [ 443.888578] ? mark_held_locks+0x130/0x130 [ 443.892442] 1*4kB [ 443.894508] ? mark_held_locks+0x130/0x130 [ 443.898711] (U) [ 443.900857] ? graph_lock+0x170/0x170 [ 443.905068] 0*8kB [ 443.907038] ? graph_lock+0x170/0x170 [ 443.910817] 0*16kB [ 443.912961] ? graph_lock+0x170/0x170 [ 443.916742] 1*32kB [ 443.918974] ? print_usage_bug+0xc0/0xc0 [ 443.922752] (U) [ 443.924983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.924999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.929040] 2*64kB [ 443.931016] ? check_preemption_disabled+0x48/0x200 [ 443.936527] (U) [ 443.942063] ? check_preemption_disabled+0x48/0x200 [ 443.944276] 1*128kB [ 443.949295] ? __lock_is_held+0xb5/0x140 [ 443.951238] (U) [ 443.956250] __alloc_pages_nodemask+0xa80/0xde0 [ 443.958548] 1*256kB [ 443.962616] ? graph_lock+0x170/0x170 [ 443.964563] (U) [ 443.969235] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 443.971534] 0*512kB [ 443.975331] ? graph_lock+0x170/0x170 [ 443.977285] 1*1024kB [ 443.982313] ? find_held_lock+0x36/0x1c0 [ 443.984608] (U) 1*2048kB [ 443.988423] ? ____cache_alloc_node+0x1c7/0x1e0 [ 443.990800] (M) [ 443.994861] ? lock_downgrade+0x900/0x900 [ 443.997603] 3*4096kB [ 444.002283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.004231] (M) [ 444.008392] cache_grow_begin+0x91/0x8c0 [ 444.010785] = 15908kB [ 444.016331] ? do_raw_spin_unlock+0xa7/0x2f0 [ 444.018284] Node 0 [ 444.022361] fallback_alloc+0x203/0x2e0 [ 444.024733] DMA32: [ 444.029164] ____cache_alloc_node+0x1c7/0x1e0 [ 444.031357] 3*4kB [ 444.035327] kmem_cache_alloc_node+0xe3/0x730 [ 444.037536] (M) [ 444.042028] ? ipv6_get_ifaddr+0x42e/0x620 [ 444.044149] 1*8kB [ 444.048659] __alloc_skb+0x119/0x770 [ 444.050615] (M) [ 444.054849] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 444.056970] 3*16kB [ 444.060675] ? skb_scrub_packet+0x490/0x490 [ 444.062625] (UM) [ 444.067899] ? lock_downgrade+0x900/0x900 [ 444.070112] 3*32kB [ 444.074429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.076466] (UM) [ 444.080623] ? refcount_sub_and_test_checked+0x203/0x310 [ 444.082833] 2*64kB [ 444.088363] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 444.090402] (UM) [ 444.095847] ? addrconf_rs_timer+0x6f0/0x6f0 [ 444.098057] 5*128kB [ 444.103508] ndisc_alloc_skb+0x144/0x340 [ 444.105537] (UM) [ 444.109941] ndisc_send_rs+0x331/0x6e0 [ 444.112266] 3*256kB [ 444.116326] addrconf_rs_timer+0x3c0/0x6f0 [ 444.118362] (M) [ 444.122246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.124543] 4*512kB [ 444.128793] call_timer_fn+0x272/0x920 [ 444.130735] (M) [ 444.134997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.137292] 3*1024kB [ 444.141182] ? process_timeout+0x40/0x40 [ 444.143130] (UM) [ 444.147358] ? find_held_lock+0x36/0x1c0 [ 444.149744] 3*2048kB [ 444.153814] ? __run_timers+0x7da/0xc70 [ 444.155846] (M) [ 444.159906] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.162292] 3*4096kB [ 444.166260] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.168211] (M) [ 444.172718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.175101] = 25252kB [ 444.179598] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 444.181552] Node 0 [ 444.185783] ? trace_hardirqs_on+0xbd/0x310 [ 444.188166] Normal: [ 444.192742] ? kasan_check_read+0x11/0x20 [ 444.194958] 1016*4kB [ 444.199290] ? __run_timers+0x7da/0xc70 [ 444.201598] (UME) [ 444.205746] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 444.208135] 348*8kB [ 444.212111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.214239] (UME) [ 444.219704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.222002] 167*16kB [ 444.226243] __run_timers+0x7e5/0xc70 [ 444.228368] (UME) [ 444.232631] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 444.235002] 68*32kB [ 444.238800] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 444.240921] (UME) [ 444.246277] ? graph_lock+0x170/0x170 [ 444.248575] 21*64kB [ 444.253610] ? enqueue_hrtimer+0x1a5/0x560 [ 444.255731] (M) [ 444.259529] ? lock_release+0x970/0x970 [ 444.261830] 6*128kB [ 444.266059] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 444.268025] (UM) [ 444.272001] ? find_held_lock+0x36/0x1c0 [ 444.274299] 1*256kB [ 444.279484] ? graph_lock+0x170/0x170 [ 444.281521] (U) [ 444.285576] ? pvclock_read_flags+0x160/0x160 [ 444.287885] 0*512kB [ 444.291683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.293644] 0*1024kB [ 444.298134] ? check_preemption_disabled+0x48/0x200 [ 444.300435] 0*2048kB [ 444.305974] ? __lock_is_held+0xb5/0x140 [ 444.308354] 0*4096kB [ 444.313378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.315768] = 14064kB [ 444.319822] ? check_preemption_disabled+0x48/0x200 [ 444.322234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 444.327762] run_timer_softirq+0x52/0xb0 [ 444.330165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 444.335226] ? rcu_read_lock_sched_held+0x108/0x120 [ 444.344045] 503 total pagecache pages [ 444.348112] __do_softirq+0x30b/0xad8 [ 444.356671] 0 pages in swap cache [ 444.361685] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 444.365457] Swap cache stats: add 0, delete 0, find 0/0 [ 444.369252] ? pvclock_read_flags+0x160/0x160 [ 444.372682] Free swap = 0kB [ 444.377798] ? lapic_next_event+0x5a/0x90 [ 444.383141] Total swap = 0kB [ 444.387639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.390633] 1965979 pages RAM [ 444.394775] ? check_preemption_disabled+0x48/0x200 [ 444.397799] 0 pages HighMem/MovableOnly [ 444.403327] ? check_preemption_disabled+0x48/0x200 [ 444.406410] 343324 pages reserved [ 444.411418] ? kvm_clock_read+0x18/0x30 [ 444.415366] 0 pages cma reserved [ 444.420376] ? kvm_sched_clock_read+0x9/0x20 [ 444.423905] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 444.427770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.431224] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 444.435510] ? check_preemption_disabled+0x48/0x200 [ 444.441982] syz-executor2 cpuset= [ 444.447521] irq_exit+0x17f/0x1c0 [ 444.457972] syz2 [ 444.462983] smp_apic_timer_interrupt+0x1cb/0x760 [ 444.466411] mems_allowed=0 [ 444.469857] ? smp_reschedule_interrupt+0x109/0x650 [ 444.484565] ? smp_call_function_single_interrupt+0x650/0x650 [ 444.490464] ? interrupt_entry+0xb5/0xf0 [ 444.494528] ? trace_hardirqs_off_caller+0xbb/0x300 [ 444.499544] ? trace_hardirqs_off_caller+0xbb/0x300 [ 444.504562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.509415] ? trace_hardirqs_off+0x300/0x300 [ 444.513910] ? trace_hardirqs_off+0x300/0x300 [ 444.518404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.523942] ? check_preemption_disabled+0x48/0x200 [ 444.528957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.534507] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.539361] apic_timer_interrupt+0xf/0x20 [ 444.543600] [ 444.545849] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 444.550784] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 444.569700] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 444.577422] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 444.584689] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 444.591960] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 444.599230] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 444.606499] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 444.613816] skb_clone+0x1bb/0x500 [ 444.617358] ? skb_split+0x11e0/0x11e0 [ 444.621254] ? preempt_notifier_register+0x200/0x200 [ 444.626358] ? __switch_to_asm+0x34/0x70 [ 444.630419] ? __switch_to_asm+0x34/0x70 [ 444.634481] ? __switch_to_asm+0x40/0x70 [ 444.638540] ? __switch_to_asm+0x34/0x70 [ 444.642611] ? __switch_to_asm+0x40/0x70 [ 444.647111] ? __switch_to_asm+0x40/0x70 [ 444.651364] ? __switch_to_asm+0x34/0x70 [ 444.655439] ? __switch_to_asm+0x34/0x70 [ 444.659500] ? __switch_to_asm+0x40/0x70 [ 444.663558] ? __switch_to_asm+0x34/0x70 [ 444.667641] bpf_clone_redirect+0xb9/0x490 [ 444.671887] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 444.676931] ? __sched_text_start+0x8/0x8 [ 444.681093] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 444.685870] ? find_held_lock+0x36/0x1c0 [ 444.689956] ? lock_acquire+0x1ed/0x520 [ 444.693931] ? bpf_test_run+0x32e/0x5a0 [ 444.697907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.703451] ? check_preemption_disabled+0x48/0x200 [ 444.708476] ? kasan_check_read+0x11/0x20 [ 444.712639] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 444.717918] ? rcu_bh_qs+0xc0/0xc0 [ 444.721464] ? preempt_schedule+0x4d/0x60 [ 444.725628] ? ___preempt_schedule+0x16/0x18 [ 444.730052] ? bpf_test_run+0x1c0/0x5a0 [ 444.734049] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 444.738903] ? netlink_diag_dump+0x2a0/0x2a0 [ 444.743319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.748854] ? bpf_test_init.isra.9+0x70/0x100 [ 444.753443] ? bpf_prog_test_run_skb+0x634/0xb40 [ 444.758209] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 444.763051] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 444.768601] ? fput+0x130/0x1a0 [ 444.771889] ? __bpf_prog_get+0x9b/0x290 [ 444.776201] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 444.781048] ? bpf_prog_test_run+0x130/0x1a0 [ 444.785479] ? __x64_sys_bpf+0x3d8/0x510 [ 444.789635] ? bpf_prog_get+0x20/0x20 [ 444.793456] ? do_syscall_64+0x1b9/0x820 [ 444.797519] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 444.802885] ? syscall_return_slowpath+0x5e0/0x5e0 [ 444.807820] ? trace_hardirqs_off+0x300/0x300 [ 444.812319] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 444.817338] ? recalc_sigpending_tsk+0x180/0x180 [ 444.822093] ? kasan_check_write+0x14/0x20 [ 444.826336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.831189] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 444.836572] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 444.836677] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 444.843775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.843781] Call Trace: [ 444.843788] [ 444.843806] dump_stack+0x1c4/0x2b4 [ 444.843824] ? dump_stack_print_info.cold.2+0x52/0x52 [ 444.850366] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 444.859667] warn_alloc.cold.118+0xb7/0x1bd [ 444.862219] syz-executor4 cpuset= [ 444.864368] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 444.867977] syz4 [ 444.873187] ? lock_downgrade+0x900/0x900 [ 444.883667] mems_allowed=0 [ 444.887998] ? trace_hardirqs_off+0xb8/0x300 [ 444.909686] ? trace_hardirqs_off+0xb8/0x300 [ 444.914130] __alloc_pages_slowpath+0x2667/0x2d80 [ 444.919027] ? warn_alloc+0x120/0x120 [ 444.922848] ? __lock_acquire+0x7ec/0x4ec0 [ 444.927114] ? warn_alloc+0x120/0x120 [ 444.930951] ? print_usage_bug+0xc0/0xc0 [ 444.935029] ? warn_alloc+0x120/0x120 [ 444.938844] ? print_usage_bug+0xc0/0xc0 [ 444.942922] ? print_usage_bug+0xc0/0xc0 [ 444.946995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.952545] ? should_fail+0x22d/0xd01 [ 444.956453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.961569] ? __lock_acquire+0x7ec/0x4ec0 [ 444.965836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.970962] ? should_fail+0x22d/0xd01 [ 444.974869] ? print_usage_bug+0xc0/0xc0 [ 444.978959] ? mark_held_locks+0x130/0x130 [ 444.983222] ? mark_held_locks+0x130/0x130 [ 444.987479] ? print_usage_bug+0xc0/0xc0 [ 444.991569] ? find_held_lock+0x36/0x1c0 [ 444.995665] ? graph_lock+0x170/0x170 [ 444.999591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.005158] ? check_preemption_disabled+0x48/0x200 [ 445.010197] ? check_preemption_disabled+0x48/0x200 [ 445.015260] ? __lock_is_held+0xb5/0x140 [ 445.019358] __alloc_pages_nodemask+0xa80/0xde0 [ 445.024057] ? graph_lock+0x170/0x170 [ 445.027897] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 445.032937] ? graph_lock+0x170/0x170 [ 445.036762] ? find_held_lock+0x36/0x1c0 [ 445.040854] ? ____cache_alloc_node+0x1c7/0x1e0 [ 445.045546] ? lock_downgrade+0x900/0x900 [ 445.049726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.055300] cache_grow_begin+0x91/0x8c0 [ 445.059390] ? do_raw_spin_unlock+0xa7/0x2f0 [ 445.063840] fallback_alloc+0x203/0x2e0 [ 445.067855] ____cache_alloc_node+0x1c7/0x1e0 [ 445.072392] kmem_cache_alloc_node+0xe3/0x730 [ 445.076922] ? mark_held_locks+0xc7/0x130 [ 445.081119] __alloc_skb+0x119/0x770 [ 445.084872] ? skb_scrub_packet+0x490/0x490 [ 445.089230] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 445.093850] ? queue_work_on+0x12c/0x1e0 [ 445.097951] ? switchdev_port_obj_del+0xdc/0x450 [ 445.102741] ? switchdev_trans_item_enqueue+0x260/0x260 [ 445.108132] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 445.113269] ? mod_timer+0x647/0x1440 [ 445.117094] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 445.122148] __br_mdb_notify+0x4ff/0x15d0 [ 445.126318] ? __br_mdb_add+0x800/0x800 [ 445.130312] ? graph_lock+0x170/0x170 [ 445.134128] ? br_multicast_group_expired+0x96/0x610 [ 445.139245] br_mdb_notify+0x310/0x410 [ 445.143146] ? br_mdb_dump+0x2530/0x2530 [ 445.147214] ? kasan_check_write+0x14/0x20 [ 445.151453] ? do_raw_spin_lock+0xc1/0x200 [ 445.155697] br_multicast_group_expired+0x1bc/0x610 [ 445.160718] ? br_mdb_free+0x80/0x80 [ 445.164448] call_timer_fn+0x272/0x920 [ 445.168357] ? br_mdb_free+0x80/0x80 [ 445.172076] ? process_timeout+0x40/0x40 [ 445.176146] ? find_held_lock+0x36/0x1c0 [ 445.180222] ? mark_held_locks+0xc7/0x130 [ 445.184377] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.188872] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.193375] ? br_mdb_free+0x80/0x80 [ 445.197100] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 445.201702] ? trace_hardirqs_on+0xbd/0x310 [ 445.206027] ? kasan_check_read+0x11/0x20 [ 445.210183] ? __run_timers+0x7da/0xc70 [ 445.214169] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 445.219632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.223878] ? br_mdb_free+0x80/0x80 [ 445.227604] __run_timers+0x7e5/0xc70 [ 445.231429] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 445.236812] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 445.241833] ? graph_lock+0x170/0x170 [ 445.245646] ? print_usage_bug+0xc0/0xc0 [ 445.249706] ? lock_release+0x970/0x970 [ 445.253685] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 445.258883] ? find_held_lock+0x36/0x1c0 [ 445.262955] ? graph_lock+0x170/0x170 [ 445.266766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.272306] ? check_preemption_disabled+0x48/0x200 [ 445.277336] ? __lock_is_held+0xb5/0x140 [ 445.281408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.286948] ? check_preemption_disabled+0x48/0x200 [ 445.291981] run_timer_softirq+0x52/0xb0 [ 445.296046] ? rcu_read_lock_sched_held+0x108/0x120 [ 445.301069] __do_softirq+0x30b/0xad8 [ 445.304886] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 445.310003] ? pvclock_read_flags+0x160/0x160 [ 445.314503] ? lapic_next_event+0x5a/0x90 [ 445.318654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.324196] ? check_preemption_disabled+0x48/0x200 [ 445.329214] ? check_preemption_disabled+0x48/0x200 [ 445.334247] ? kvm_clock_read+0x18/0x30 [ 445.338228] ? kvm_sched_clock_read+0x9/0x20 [ 445.342649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.348195] ? check_preemption_disabled+0x48/0x200 [ 445.353230] irq_exit+0x17f/0x1c0 [ 445.356692] smp_apic_timer_interrupt+0x1cb/0x760 [ 445.361534] ? smp_reschedule_interrupt+0x109/0x650 [ 445.366552] ? smp_call_function_single_interrupt+0x650/0x650 [ 445.372448] ? interrupt_entry+0xb5/0xf0 [ 445.376512] ? trace_hardirqs_off_caller+0xbb/0x300 [ 445.381526] ? trace_hardirqs_off_caller+0xbb/0x300 [ 445.386549] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.391403] ? trace_hardirqs_off+0x300/0x300 [ 445.395897] ? trace_hardirqs_off+0x300/0x300 [ 445.400399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.405937] ? check_preemption_disabled+0x48/0x200 [ 445.410958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.416507] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.421360] apic_timer_interrupt+0xf/0x20 [ 445.425595] [ 445.427834] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 445.433116] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 445.452017] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 445.459746] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 445.467034] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 445.474313] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 445.481600] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 445.488880] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 445.496184] ? arch_local_irq_restore+0x45/0x52 [ 445.500869] dump_stack+0x26a/0x2b4 [ 445.504506] ? dump_stack_print_info.cold.2+0x52/0x52 [ 445.509706] ? mark_held_locks+0x130/0x130 [ 445.513946] ? mark_held_locks+0x130/0x130 [ 445.518199] dump_header+0x27b/0xf72 [ 445.521937] ? pagefault_out_of_memory+0x197/0x197 [ 445.526880] ? mark_held_locks+0x130/0x130 [ 445.531128] ? __lock_acquire+0x7ec/0x4ec0 [ 445.535375] ? print_usage_bug+0xc0/0xc0 [ 445.539453] ? graph_lock+0x170/0x170 [ 445.543256] ? graph_lock+0x170/0x170 [ 445.547085] ? print_usage_bug+0xc0/0xc0 [ 445.551160] ? print_usage_bug+0xc0/0xc0 [ 445.555257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.560808] ? find_held_lock+0x36/0x1c0 [ 445.564883] ? mark_held_locks+0xc7/0x130 [ 445.569038] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 445.574145] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 445.579251] ? lockdep_hardirqs_on+0x421/0x5c0 [ 445.583836] ? trace_hardirqs_on+0xbd/0x310 [ 445.588161] ? kasan_check_read+0x11/0x20 [ 445.592322] ? ___ratelimit+0x36f/0x655 [ 445.596302] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 445.601755] ? trace_hardirqs_on+0x310/0x310 [ 445.606170] ? lock_downgrade+0x900/0x900 [ 445.610329] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 445.615441] ? ___ratelimit+0xaa/0x655 [ 445.619338] ? idr_get_free+0xec0/0xec0 [ 445.623333] ? kasan_check_write+0x14/0x20 [ 445.627580] ? do_raw_spin_lock+0xc1/0x200 [ 445.631838] oom_kill_process.cold.27+0x10/0x903 [ 445.636619] ? graph_lock+0x170/0x170 [ 445.640435] ? _raw_spin_unlock+0x2c/0x50 [ 445.644951] ? oom_badness+0xe6/0xaa0 [ 445.648767] ? oom_evaluate_task+0x540/0x540 [ 445.653191] ? find_held_lock+0x36/0x1c0 [ 445.657298] ? out_of_memory+0x974/0x14c0 [ 445.661460] ? lock_downgrade+0x900/0x900 [ 445.665618] ? check_preemption_disabled+0x48/0x200 [ 445.670659] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 445.676475] ? kasan_check_read+0x11/0x20 [ 445.680653] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 445.685958] ? rcu_bh_qs+0xc0/0xc0 [ 445.689521] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 445.694556] ? oom_evaluate_task+0x302/0x540 [ 445.698995] out_of_memory+0xa86/0x14c0 [ 445.702991] ? oom_killer_disable+0x3a0/0x3a0 [ 445.707502] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 445.712452] ? __mutex_add_waiter+0x2a0/0x2a0 [ 445.716985] __alloc_pages_slowpath+0x2318/0x2d80 [ 445.721888] ? warn_alloc+0x120/0x120 [ 445.725704] ? lock_downgrade+0x900/0x900 [ 445.729868] ? print_usage_bug+0xc0/0xc0 [ 445.733940] ? warn_alloc+0x120/0x120 [ 445.737757] ? print_usage_bug+0xc0/0xc0 [ 445.741825] ? debug_check_no_obj_freed+0x305/0x58d [ 445.746852] ? print_usage_bug+0xc0/0xc0 [ 445.750919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.756464] ? should_fail+0x22d/0xd01 [ 445.760362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.765468] ? __lock_acquire+0x7ec/0x4ec0 [ 445.769732] ? __lock_is_held+0xb5/0x140 [ 445.773809] ? graph_lock+0x170/0x170 [ 445.777625] ? ___might_sleep+0x1ed/0x300 [ 445.781776] ? lock_release+0x970/0x970 [ 445.785761] ? arch_local_save_flags+0x40/0x40 [ 445.790359] ? __might_sleep+0x95/0x190 [ 445.794349] __alloc_pages_nodemask+0xa80/0xde0 [ 445.799025] ? graph_lock+0x170/0x170 [ 445.803191] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 445.808212] ? graph_lock+0x170/0x170 [ 445.812033] ? mark_held_locks+0xc7/0x130 [ 445.816181] ? find_held_lock+0x36/0x1c0 [ 445.820253] ? cache_grow_begin+0x5a4/0x8c0 [ 445.824590] ? lockdep_hardirqs_on+0x421/0x5c0 [ 445.829179] ? trace_hardirqs_on+0xbd/0x310 [ 445.833504] ? fallback_alloc+0x203/0x2e0 [ 445.837657] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 445.843126] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 445.848674] cache_grow_begin+0x91/0x8c0 [ 445.852744] ? do_raw_spin_unlock+0xa7/0x2f0 [ 445.857164] fallback_alloc+0x203/0x2e0 [ 445.861156] ____cache_alloc_node+0x1c7/0x1e0 [ 445.865663] kmem_cache_alloc_node_trace+0xe7/0x740 [ 445.870697] __kmalloc_node_track_caller+0x33/0x70 [ 445.875641] __kmalloc_reserve.isra.39+0x41/0xe0 [ 445.880404] __alloc_skb+0x155/0x770 [ 445.884130] ? skb_scrub_packet+0x490/0x490 [ 445.888459] ? if_nlmsg_size+0x5d1/0xbb0 [ 445.892534] ? nla_put_ifalias+0x170/0x170 [ 445.896785] ? softnet_seq_show+0x470/0x470 [ 445.901112] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 445.906139] ? netif_tx_stop_all_queues+0xd9/0x110 [ 445.911084] rtmsg_ifinfo_build_skb+0x74/0x190 [ 445.915679] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 445.920533] rtmsg_ifinfo+0x8c/0xa0 [ 445.924172] dev_close_many+0x3be/0x860 [ 445.928159] ? unlist_netdevice+0x670/0x670 [ 445.932486] ? find_held_lock+0x36/0x1c0 [ 445.936558] ? __queue_work+0x6be/0x1440 [ 445.940641] ? lock_downgrade+0x900/0x900 [ 445.944796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.950333] ? rtnl_is_locked+0xb5/0xf0 [ 445.954318] ? rtnl_trylock+0x20/0x20 [ 445.958129] ? do_raw_spin_unlock+0xa7/0x2f0 [ 445.962547] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 445.967144] rollback_registered_many+0x56e/0x1240 [ 445.972096] ? generic_xdp_install+0x4c0/0x4c0 [ 445.976699] ? max_active_store+0x170/0x170 [ 445.981024] ? graph_lock+0x170/0x170 [ 445.984832] ? print_usage_bug+0xc0/0xc0 [ 445.988898] ? print_usage_bug+0xc0/0xc0 [ 445.992969] ? kfree_skbmem+0x154/0x230 [ 445.996946] ? graph_lock+0x170/0x170 [ 446.000756] ? print_usage_bug+0xc0/0xc0 [ 446.004829] ? find_held_lock+0x36/0x1c0 [ 446.008908] ? mark_held_locks+0xc7/0x130 [ 446.013067] rollback_registered+0x1e9/0x420 [ 446.017481] ? lockdep_hardirqs_on+0x351/0x5c0 [ 446.022075] ? rollback_registered_many+0x1240/0x1240 [ 446.027276] ? trace_hardirqs_on+0xbd/0x310 [ 446.031614] ? linkwatch_schedule_work+0x150/0x170 [ 446.036557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.042025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.047566] ? rtnl_is_locked+0xb5/0xf0 [ 446.051550] ? rtnl_trylock+0x20/0x20 [ 446.055368] ? queue_delayed_work_on+0x130/0x1f0 [ 446.060136] unregister_netdevice_queue+0x321/0x5e0 [ 446.065167] ? rollback_registered+0x420/0x420 [ 446.069760] ? linkwatch_schedule_work+0x170/0x170 [ 446.074698] ? tun_show_owner+0x170/0x170 [ 446.078853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.084400] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 446.089769] ? __tun_detach+0x6ba/0x15c0 [ 446.093849] __tun_detach+0x11b8/0x15c0 [ 446.097829] ? __call_rcu.constprop.69+0x429/0xbc0 [ 446.102790] ? tun_attach+0x1770/0x1770 [ 446.106784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.112328] ? check_preemption_disabled+0x48/0x200 [ 446.117363] ? graph_lock+0x170/0x170 [ 446.121177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.126722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.132289] ? locks_remove_file+0x3c6/0x5c0 [ 446.136712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.142252] ? ima_file_free+0x132/0x650 [ 446.146321] ? __lock_is_held+0xb5/0x140 [ 446.150394] ? __tun_detach+0x15c0/0x15c0 [ 446.154552] ? __tun_detach+0x15c0/0x15c0 [ 446.158714] tun_chr_close+0xe3/0x180 [ 446.162519] __fput+0x385/0xa30 [ 446.165807] ? get_max_files+0x20/0x20 [ 446.169709] ? ___might_sleep+0x1ed/0x300 [ 446.173862] ? arch_local_save_flags+0x40/0x40 [ 446.178455] ____fput+0x15/0x20 [ 446.181745] task_work_run+0x1e8/0x2a0 [ 446.185646] ? task_work_cancel+0x240/0x240 [ 446.189976] ? switch_task_namespaces+0xb8/0xd0 [ 446.194660] do_exit+0x1ad7/0x2610 [ 446.198217] ? mm_update_next_owner+0x990/0x990 [ 446.202897] ? print_usage_bug+0xc0/0xc0 [ 446.206974] ? __lock_acquire+0x7ec/0x4ec0 [ 446.211222] ? find_held_lock+0x36/0x1c0 [ 446.215310] ? __lock_acquire+0x7ec/0x4ec0 [ 446.219552] ? mark_held_locks+0x130/0x130 [ 446.223803] ? lock_acquire+0x1ed/0x520 [ 446.227797] ? mark_held_locks+0x130/0x130 [ 446.232045] ? arch_local_save_flags+0x40/0x40 [ 446.236640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.242210] ? __mutex_lock+0x872/0x1710 [ 446.246281] ? __switch_to_asm+0x40/0x70 [ 446.250344] ? __switch_to_asm+0x34/0x70 [ 446.254406] ? pipe_wait+0x266/0x2c0 [ 446.258139] ? mutex_trylock+0x2b0/0x2b0 [ 446.262220] ? graph_lock+0x170/0x170 [ 446.266031] ? find_held_lock+0x36/0x1c0 [ 446.270105] ? memset+0x31/0x40 [ 446.273402] ? find_held_lock+0x36/0x1c0 [ 446.277477] ? get_signal+0x95b/0x1980 [ 446.281418] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.285941] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.290450] do_group_exit+0x177/0x440 [ 446.294438] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.299907] ? __ia32_sys_exit+0x50/0x50 [ 446.303993] get_signal+0x8b0/0x1980 [ 446.307722] ? ptrace_notify+0x130/0x130 [ 446.311793] ? finish_wait+0x430/0x430 [ 446.315704] ? graph_lock+0x170/0x170 [ 446.319519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.325061] ? pipe_read+0x702/0x940 [ 446.328781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.334337] do_signal+0x9c/0x21e0 [ 446.337882] ? __vfs_read+0x11f/0x9b0 [ 446.341694] ? vfs_copy_file_range+0xb90/0xb90 [ 446.346282] ? setup_sigcontext+0x7d0/0x7d0 [ 446.350639] ? exit_to_usermode_loop+0x8c/0x380 [ 446.355333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.360884] exit_to_usermode_loop+0x2e5/0x380 [ 446.365478] ? syscall_slow_exit_work+0x520/0x520 [ 446.370324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.375880] do_syscall_64+0x6be/0x820 [ 446.379775] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 446.385153] ? syscall_return_slowpath+0x5e0/0x5e0 [ 446.390085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.394940] ? trace_hardirqs_off+0x300/0x300 [ 446.399448] ? prepare_exit_to_usermode+0x291/0x3b0 [ 446.404479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.409342] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 446.414537] RIP: 0033:0x410e10 [ 446.417739] Code: Bad RIP value. [ 446.421112] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 446.428830] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 446.436706] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 446.443977] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 446.451244] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 446.458538] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 446.465838] warn_alloc_show_mem: 1 callbacks suppressed [ 446.465851] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 446.465853] Mem-Info: [ 446.465883] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 446.465883] active_file:19 inactive_file:16 isolated_file:0 [ 446.465883] unevictable:0 dirty:0 writeback:0 unstable:0 [ 446.465883] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 446.465883] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 446.465883] free:13785 free_pcp:397 free_cma:0 [ 446.471229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.478522] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 446.480929] Call Trace: [ 446.513900] Node 0 [ 446.523264] [ 446.550874] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 446.553442] dump_stack+0x1c4/0x2b4 [ 446.555642] lowmem_reserve[]: [ 446.557793] ? dump_stack_print_info.cold.2+0x52/0x52 [ 446.583272] 0 2815 [ 446.586937] warn_alloc.cold.118+0xb7/0x1bd [ 446.589995] 6318 [ 446.595184] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 446.597391] 6318 [ 446.601709] ? lock_downgrade+0x900/0x900 [ 446.608592] ? trace_hardirqs_off+0xb8/0x300 [ 446.610623] Node 0 [ 446.614770] ? trace_hardirqs_off+0xb8/0x300 [ 446.619178] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 446.621399] __alloc_pages_slowpath+0x2667/0x2d80 [ 446.625773] lowmem_reserve[]: [ 446.652983] ? warn_alloc+0x120/0x120 [ 446.657791] 0 [ 446.660917] ? warn_alloc+0x120/0x120 [ 446.664684] 0 3503 [ 446.666497] ? print_usage_bug+0xc0/0xc0 [ 446.670267] 3503 [ 446.672505] ? warn_alloc+0x120/0x120 [ 446.676542] Node 0 [ 446.678630] ? print_usage_bug+0xc0/0xc0 [ 446.682426] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 446.684652] ? __lock_acquire+0x7ec/0x4ec0 [ 446.688683] lowmem_reserve[]: [ 446.717249] ? __lock_acquire+0x7ec/0x4ec0 [ 446.721457] 0 [ 446.724562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.728770] 0 [ 446.730568] ? should_fail+0x22d/0xd01 [ 446.736073] 0 [ 446.737886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.741749] 0 [ 446.743556] ? __lock_acquire+0x7ec/0x4ec0 [ 446.748656] Node 0 [ 446.750476] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.754676] DMA: [ 446.756916] ? __lock_acquire+0x7ec/0x4ec0 [ 446.761995] 1*4kB [ 446.764062] ? should_fail+0x22d/0xd01 [ 446.768263] (U) [ 446.770420] ? mark_held_locks+0x130/0x130 [ 446.774268] 0*8kB [ 446.776529] ? mark_held_locks+0x130/0x130 [ 446.780732] 0*16kB 1*32kB [ 446.782887] ? graph_lock+0x170/0x170 [ 446.787100] (U) [ 446.789945] ? graph_lock+0x170/0x170 [ 446.793718] 2*64kB (U) [ 446.795712] ? graph_lock+0x170/0x170 [ 446.799489] 1*128kB [ 446.802085] ? print_usage_bug+0xc0/0xc0 [ 446.805861] (U) [ 446.808187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.812216] 1*256kB [ 446.814187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.819698] (U) [ 446.822025] ? check_preemption_disabled+0x48/0x200 [ 446.827530] 0*512kB [ 446.829500] ? check_preemption_disabled+0x48/0x200 [ 446.834495] 1*1024kB [ 446.836827] ? __lock_is_held+0xb5/0x140 [ 446.841799] (U) 1*2048kB [ 446.844216] __alloc_pages_nodemask+0xa80/0xde0 [ 446.848247] (M) [ 446.850998] ? graph_lock+0x170/0x170 [ 446.855641] 3*4096kB [ 446.857622] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 446.861393] (M) [ 446.863796] ? graph_lock+0x170/0x170 [ 446.868791] = 15908kB [ 446.870770] ? find_held_lock+0x36/0x1c0 [ 446.874537] Node 0 [ 446.876950] ? ____cache_alloc_node+0x1c7/0x1e0 [ 446.880979] DMA32: [ 446.883212] ? lock_downgrade+0x900/0x900 [ 446.887853] 3*4kB [ 446.890091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.894205] (M) [ 446.896353] cache_grow_begin+0x91/0x8c0 [ 446.901855] 1*8kB (M) [ 446.903837] ? do_raw_spin_unlock+0xa7/0x2f0 [ 446.907862] 3*16kB (UM) [ 446.910373] fallback_alloc+0x203/0x2e0 [ 446.914754] 3*32kB [ 446.917437] ____cache_alloc_node+0x1c7/0x1e0 [ 446.921383] (UM) [ 446.923654] kmem_cache_alloc_node+0xe3/0x730 [ 446.928125] 2*64kB [ 446.930192] ? ipv6_get_ifaddr+0x42e/0x620 [ 446.934658] (UM) [ 446.936905] __alloc_skb+0x119/0x770 [ 446.941099] 5*128kB [ 446.943158] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 446.946842] (UM) [ 446.949162] ? skb_scrub_packet+0x490/0x490 [ 446.954410] 3*256kB [ 446.956467] ? lock_downgrade+0x900/0x900 [ 446.960758] (M) [ 446.963080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.967196] 4*512kB [ 446.969168] ? refcount_sub_and_test_checked+0x203/0x310 [ 446.974676] (M) [ 446.976998] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 446.982423] 3*1024kB [ 446.984401] ? addrconf_rs_timer+0x6f0/0x6f0 [ 446.989830] (UM) [ 446.992255] ndisc_alloc_skb+0x144/0x340 [ 446.996613] 3*2048kB (M) [ 446.998678] ndisc_send_rs+0x331/0x6e0 [ 447.002708] 3*4096kB [ 447.005463] addrconf_rs_timer+0x3c0/0x6f0 [ 447.009317] (M) = 25252kB [ 447.011736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.015947] Node 0 [ 447.018712] call_timer_fn+0x272/0x920 [ 447.022912] Normal: [ 447.025149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.029005] 1016*4kB [ 447.031325] ? process_timeout+0x40/0x40 [ 447.035534] (UME) [ 447.037946] ? find_held_lock+0x36/0x1c0 [ 447.041989] 348*8kB [ 447.044157] ? __run_timers+0x7da/0xc70 [ 447.048182] (UME) [ 447.050509] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.054453] 167*16kB [ 447.056603] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.061071] (UME) [ 447.063480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.067949] 68*32kB [ 447.070090] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 447.074297] (UME) [ 447.076625] ? trace_hardirqs_on+0xbd/0x310 [ 447.081178] 21*64kB [ 447.083318] ? kasan_check_read+0x11/0x20 [ 447.087612] (M) 6*128kB [ 447.089939] ? __run_timers+0x7da/0xc70 [ 447.094061] (UM) [ 447.096728] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 447.100674] 1*256kB (U) [ 447.102748] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.108180] 0*512kB [ 447.110873] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.115073] 0*1024kB [ 447.117396] __run_timers+0x7e5/0xc70 [ 447.121608] 0*2048kB [ 447.124039] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 447.127797] 0*4096kB [ 447.130215] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 447.135639] = 14064kB [ 447.138052] ? graph_lock+0x170/0x170 [ 447.143050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 447.145456] ? enqueue_hrtimer+0x1a5/0x560 [ 447.149229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 447.158075] ? lock_release+0x970/0x970 [ 447.162304] 503 total pagecache pages [ 447.170894] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 447.174855] 0 pages in swap cache [ 447.178655] ? find_held_lock+0x36/0x1c0 [ 447.183814] Swap cache stats: add 0, delete 0, find 0/0 [ 447.187260] ? graph_lock+0x170/0x170 [ 447.191290] Free swap = 0kB [ 447.196645] ? pvclock_read_flags+0x160/0x160 [ 447.200417] Total swap = 0kB [ 447.203430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.207903] 1965979 pages RAM [ 447.210924] ? check_preemption_disabled+0x48/0x200 [ 447.216442] 0 pages HighMem/MovableOnly [ 447.219565] ? __lock_is_held+0xb5/0x140 [ 447.224552] 343324 pages reserved [ 447.228547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.232593] 0 pages cma reserved [ 447.236049] ? check_preemption_disabled+0x48/0x200 [ 447.241758] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.244921] run_timer_softirq+0x52/0xb0 [ 447.249908] syz-executor2 cpuset= [ 447.260393] ? rcu_read_lock_sched_held+0x108/0x120 [ 447.264429] syz2 [ 447.267882] __do_softirq+0x30b/0xad8 [ 447.272868] mems_allowed=0 [ 447.274881] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 447.286672] ? pvclock_read_flags+0x160/0x160 [ 447.291172] ? lapic_next_event+0x5a/0x90 [ 447.295325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.300862] ? check_preemption_disabled+0x48/0x200 [ 447.305879] ? check_preemption_disabled+0x48/0x200 [ 447.310904] ? kvm_clock_read+0x18/0x30 [ 447.314878] ? kvm_sched_clock_read+0x9/0x20 [ 447.319289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.324824] ? check_preemption_disabled+0x48/0x200 [ 447.329857] irq_exit+0x17f/0x1c0 [ 447.333313] smp_apic_timer_interrupt+0x1cb/0x760 [ 447.338154] ? smp_reschedule_interrupt+0x109/0x650 [ 447.343172] ? smp_call_function_single_interrupt+0x650/0x650 [ 447.349071] ? interrupt_entry+0xb5/0xf0 [ 447.353136] ? trace_hardirqs_off_caller+0xbb/0x300 [ 447.358152] ? trace_hardirqs_off_caller+0xbb/0x300 [ 447.363172] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.368019] ? trace_hardirqs_off+0x300/0x300 [ 447.372513] ? trace_hardirqs_off+0x300/0x300 [ 447.377009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.382550] ? check_preemption_disabled+0x48/0x200 [ 447.387569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.393126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.397996] apic_timer_interrupt+0xf/0x20 [ 447.402242] [ 447.404496] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 447.409436] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 447.428334] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 447.436045] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 447.443312] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 447.450583] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 447.457862] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 447.465134] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 447.472454] skb_clone+0x1bb/0x500 [ 447.475996] ? skb_split+0x11e0/0x11e0 [ 447.479888] ? preempt_notifier_register+0x200/0x200 [ 447.484992] ? __switch_to_asm+0x34/0x70 [ 447.489051] ? __switch_to_asm+0x34/0x70 [ 447.493107] ? __switch_to_asm+0x40/0x70 [ 447.497171] ? __switch_to_asm+0x34/0x70 [ 447.501235] ? __switch_to_asm+0x40/0x70 [ 447.505306] ? __switch_to_asm+0x40/0x70 [ 447.509365] ? __switch_to_asm+0x34/0x70 [ 447.513450] ? __switch_to_asm+0x34/0x70 [ 447.517707] ? __switch_to_asm+0x40/0x70 [ 447.521796] ? __switch_to_asm+0x34/0x70 [ 447.525892] bpf_clone_redirect+0xb9/0x490 [ 447.530149] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 447.535177] ? __sched_text_start+0x8/0x8 [ 447.539330] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 447.544101] ? find_held_lock+0x36/0x1c0 [ 447.548172] ? lock_acquire+0x1ed/0x520 [ 447.552147] ? bpf_test_run+0x32e/0x5a0 [ 447.556122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.561662] ? check_preemption_disabled+0x48/0x200 [ 447.566686] ? kasan_check_read+0x11/0x20 [ 447.570840] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 447.576124] ? rcu_bh_qs+0xc0/0xc0 [ 447.579672] ? preempt_schedule+0x4d/0x60 [ 447.583825] ? ___preempt_schedule+0x16/0x18 [ 447.588264] ? bpf_test_run+0x1c0/0x5a0 [ 447.592262] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 447.597126] ? netlink_diag_dump+0x2a0/0x2a0 [ 447.601544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.607084] ? bpf_test_init.isra.9+0x70/0x100 [ 447.611675] ? bpf_prog_test_run_skb+0x634/0xb40 [ 447.616443] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 447.621312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 447.626851] ? fput+0x130/0x1a0 [ 447.630134] ? __bpf_prog_get+0x9b/0x290 [ 447.634203] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 447.639067] ? bpf_prog_test_run+0x130/0x1a0 [ 447.643955] ? __x64_sys_bpf+0x3d8/0x510 [ 447.648040] ? bpf_prog_get+0x20/0x20 [ 447.651867] ? do_syscall_64+0x1b9/0x820 [ 447.655929] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 447.661297] ? syscall_return_slowpath+0x5e0/0x5e0 [ 447.666234] ? trace_hardirqs_off+0x300/0x300 [ 447.670732] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 447.675748] ? recalc_sigpending_tsk+0x180/0x180 [ 447.680507] ? kasan_check_write+0x14/0x20 [ 447.684751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.689618] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 447.695004] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 447.695093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 447.702198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 447.702207] Call Trace: [ 447.708873] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.718048] [ 447.720625] syz-executor4 cpuset= [ 447.731111] dump_stack+0x1c4/0x2b4 [ 447.733228] syz4 [ 447.736684] ? dump_stack_print_info.cold.2+0x52/0x52 [ 447.740294] mems_allowed=0 [ 447.742277] warn_alloc.cold.118+0xb7/0x1bd [ 447.754675] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 447.759541] ? lock_downgrade+0x900/0x900 [ 447.763724] ? trace_hardirqs_off+0xb8/0x300 [ 447.768162] ? trace_hardirqs_off+0xb8/0x300 [ 447.772595] __alloc_pages_slowpath+0x2667/0x2d80 [ 447.777474] ? warn_alloc+0x120/0x120 [ 447.781279] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 447.786300] ? warn_alloc+0x120/0x120 [ 447.790113] ? print_usage_bug+0xc0/0xc0 [ 447.794175] ? warn_alloc+0x120/0x120 [ 447.797979] ? print_usage_bug+0xc0/0xc0 [ 447.802041] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 447.807241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.812781] ? should_fail+0x22d/0xd01 [ 447.816681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.821785] ? __lock_acquire+0x7ec/0x4ec0 [ 447.826050] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.831179] ? should_fail+0x22d/0xd01 [ 447.835102] ? mark_held_locks+0x130/0x130 [ 447.839358] ? mark_held_locks+0x130/0x130 [ 447.843599] ? print_usage_bug+0xc0/0xc0 [ 447.847666] ? find_held_lock+0x36/0x1c0 [ 447.851727] ? graph_lock+0x170/0x170 [ 447.855534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.861074] ? check_preemption_disabled+0x48/0x200 [ 447.866119] ? check_preemption_disabled+0x48/0x200 [ 447.871153] ? __lock_is_held+0xb5/0x140 [ 447.875230] __alloc_pages_nodemask+0xa80/0xde0 [ 447.879916] ? graph_lock+0x170/0x170 [ 447.883741] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 447.888765] ? graph_lock+0x170/0x170 [ 447.892593] ? find_held_lock+0x36/0x1c0 [ 447.896668] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.901339] ? lock_downgrade+0x900/0x900 [ 447.905502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.911052] cache_grow_begin+0x91/0x8c0 [ 447.915122] ? do_raw_spin_unlock+0xa7/0x2f0 [ 447.919539] fallback_alloc+0x203/0x2e0 [ 447.923525] ____cache_alloc_node+0x1c7/0x1e0 [ 447.928030] kmem_cache_alloc_node+0xe3/0x730 [ 447.932527] ? mark_held_locks+0xc7/0x130 [ 447.936685] __alloc_skb+0x119/0x770 [ 447.940424] ? skb_scrub_packet+0x490/0x490 [ 447.944749] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 447.949353] ? queue_work_on+0x12c/0x1e0 [ 447.953420] ? switchdev_port_obj_del+0xdc/0x450 [ 447.958176] ? switchdev_trans_item_enqueue+0x260/0x260 [ 447.963543] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 447.968566] __br_mdb_notify+0x4ff/0x15d0 [ 447.972734] ? __br_mdb_add+0x800/0x800 [ 447.976712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.982260] ? check_preemption_disabled+0x48/0x200 [ 447.987296] ? graph_lock+0x170/0x170 [ 447.991115] ? br_multicast_group_expired+0x96/0x610 [ 447.996235] ? lock_downgrade+0x900/0x900 [ 448.000410] br_mdb_notify+0x310/0x410 [ 448.004319] ? br_mdb_dump+0x2530/0x2530 [ 448.008393] ? kasan_check_write+0x14/0x20 [ 448.012630] ? do_raw_spin_lock+0xc1/0x200 [ 448.016874] br_multicast_group_expired+0x1bc/0x610 [ 448.021892] ? br_mdb_free+0x80/0x80 [ 448.025631] call_timer_fn+0x272/0x920 [ 448.029520] ? br_mdb_free+0x80/0x80 [ 448.033238] ? process_timeout+0x40/0x40 [ 448.037301] ? find_held_lock+0x36/0x1c0 [ 448.041380] ? mark_held_locks+0xc7/0x130 [ 448.045540] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.050049] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.054553] ? br_mdb_free+0x80/0x80 [ 448.058294] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 448.062901] ? trace_hardirqs_on+0xbd/0x310 [ 448.067238] ? kasan_check_read+0x11/0x20 [ 448.071393] ? __run_timers+0x7da/0xc70 [ 448.075376] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 448.080836] ? br_mdb_free+0x80/0x80 [ 448.084577] ? br_mdb_free+0x80/0x80 [ 448.088306] __run_timers+0x7e5/0xc70 [ 448.092133] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 448.097508] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.102532] ? graph_lock+0x170/0x170 [ 448.106345] ? print_usage_bug+0xc0/0xc0 [ 448.110407] ? lock_release+0x970/0x970 [ 448.114397] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 448.119624] ? find_held_lock+0x36/0x1c0 [ 448.123713] ? graph_lock+0x170/0x170 [ 448.127539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.133081] ? check_preemption_disabled+0x48/0x200 [ 448.138121] ? __lock_is_held+0xb5/0x140 [ 448.142185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.147720] ? check_preemption_disabled+0x48/0x200 [ 448.152745] run_timer_softirq+0x52/0xb0 [ 448.156810] ? rcu_read_lock_sched_held+0x108/0x120 [ 448.161829] __do_softirq+0x30b/0xad8 [ 448.165643] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 448.170753] ? pvclock_read_flags+0x160/0x160 [ 448.175257] ? lapic_next_event+0x5a/0x90 [ 448.179404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.185027] ? check_preemption_disabled+0x48/0x200 [ 448.190046] ? check_preemption_disabled+0x48/0x200 [ 448.195071] ? kvm_clock_read+0x18/0x30 [ 448.199044] ? kvm_sched_clock_read+0x9/0x20 [ 448.203458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.208993] ? check_preemption_disabled+0x48/0x200 [ 448.214027] irq_exit+0x17f/0x1c0 [ 448.217487] smp_apic_timer_interrupt+0x1cb/0x760 [ 448.222355] ? smp_reschedule_interrupt+0x109/0x650 [ 448.227380] ? smp_call_function_single_interrupt+0x650/0x650 [ 448.233266] ? interrupt_entry+0xb5/0xf0 [ 448.237346] ? trace_hardirqs_off_caller+0xbb/0x300 [ 448.242380] ? trace_hardirqs_off_caller+0xbb/0x300 [ 448.247479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.252332] ? trace_hardirqs_off+0x300/0x300 [ 448.256828] ? trace_hardirqs_off+0x300/0x300 [ 448.261327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.266862] ? check_preemption_disabled+0x48/0x200 [ 448.271878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.277423] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.282278] apic_timer_interrupt+0xf/0x20 [ 448.286506] [ 448.288750] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 448.294033] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 448.312940] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 448.320660] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 448.327928] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 448.335196] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 448.342474] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 448.349748] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 448.357051] ? arch_local_irq_restore+0x45/0x52 [ 448.361759] dump_stack+0x26a/0x2b4 [ 448.365421] ? dump_stack_print_info.cold.2+0x52/0x52 [ 448.370641] ? mark_held_locks+0x130/0x130 [ 448.374883] ? mark_held_locks+0x130/0x130 [ 448.379134] dump_header+0x27b/0xf72 [ 448.382867] ? pagefault_out_of_memory+0x197/0x197 [ 448.387802] ? mark_held_locks+0x130/0x130 [ 448.392038] ? __lock_acquire+0x7ec/0x4ec0 [ 448.396280] ? print_usage_bug+0xc0/0xc0 [ 448.400347] ? graph_lock+0x170/0x170 [ 448.404144] ? graph_lock+0x170/0x170 [ 448.407945] ? print_usage_bug+0xc0/0xc0 [ 448.412003] ? print_usage_bug+0xc0/0xc0 [ 448.416072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.421636] ? find_held_lock+0x36/0x1c0 [ 448.425711] ? mark_held_locks+0xc7/0x130 [ 448.429866] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.434975] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.440082] ? lockdep_hardirqs_on+0x421/0x5c0 [ 448.444677] ? trace_hardirqs_on+0xbd/0x310 [ 448.449002] ? kasan_check_read+0x11/0x20 [ 448.453153] ? ___ratelimit+0x36f/0x655 [ 448.457136] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 448.462603] ? trace_hardirqs_on+0x310/0x310 [ 448.467015] ? lock_downgrade+0x900/0x900 [ 448.471174] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 448.476286] ? ___ratelimit+0xaa/0x655 [ 448.480194] ? idr_get_free+0xec0/0xec0 [ 448.484191] ? kasan_check_write+0x14/0x20 [ 448.488446] ? do_raw_spin_lock+0xc1/0x200 [ 448.492696] oom_kill_process.cold.27+0x10/0x903 [ 448.497454] ? graph_lock+0x170/0x170 [ 448.501259] ? _raw_spin_unlock+0x2c/0x50 [ 448.505407] ? oom_badness+0xe6/0xaa0 [ 448.509217] ? oom_evaluate_task+0x540/0x540 [ 448.513633] ? find_held_lock+0x36/0x1c0 [ 448.517703] ? out_of_memory+0x974/0x14c0 [ 448.521856] ? lock_downgrade+0x900/0x900 [ 448.526006] ? check_preemption_disabled+0x48/0x200 [ 448.531028] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 448.536822] ? kasan_check_read+0x11/0x20 [ 448.540971] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 448.546251] ? rcu_bh_qs+0xc0/0xc0 [ 448.549800] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.554814] ? oom_evaluate_task+0x302/0x540 [ 448.559229] out_of_memory+0xa86/0x14c0 [ 448.563215] ? oom_killer_disable+0x3a0/0x3a0 [ 448.567710] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 448.572647] ? __mutex_add_waiter+0x2a0/0x2a0 [ 448.577158] __alloc_pages_slowpath+0x2318/0x2d80 [ 448.582039] ? warn_alloc+0x120/0x120 [ 448.585849] ? lock_downgrade+0x900/0x900 [ 448.590007] ? print_usage_bug+0xc0/0xc0 [ 448.594073] ? warn_alloc+0x120/0x120 [ 448.597886] ? print_usage_bug+0xc0/0xc0 [ 448.601967] ? debug_check_no_obj_freed+0x305/0x58d [ 448.607005] ? print_usage_bug+0xc0/0xc0 [ 448.611076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.616624] ? should_fail+0x22d/0xd01 [ 448.620522] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.625646] ? __lock_acquire+0x7ec/0x4ec0 [ 448.629930] ? __lock_is_held+0xb5/0x140 [ 448.634005] ? graph_lock+0x170/0x170 [ 448.637810] ? ___might_sleep+0x1ed/0x300 [ 448.641957] ? lock_release+0x970/0x970 [ 448.645938] ? arch_local_save_flags+0x40/0x40 [ 448.650539] ? __might_sleep+0x95/0x190 [ 448.654524] __alloc_pages_nodemask+0xa80/0xde0 [ 448.659197] ? graph_lock+0x170/0x170 [ 448.663003] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 448.668024] ? graph_lock+0x170/0x170 [ 448.671840] ? mark_held_locks+0xc7/0x130 [ 448.675989] ? find_held_lock+0x36/0x1c0 [ 448.680058] ? cache_grow_begin+0x5a4/0x8c0 [ 448.684391] ? lockdep_hardirqs_on+0x421/0x5c0 [ 448.688977] ? trace_hardirqs_on+0xbd/0x310 [ 448.693304] ? fallback_alloc+0x203/0x2e0 [ 448.697452] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 448.702912] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 448.708463] cache_grow_begin+0x91/0x8c0 [ 448.712533] ? do_raw_spin_unlock+0xa7/0x2f0 [ 448.716962] fallback_alloc+0x203/0x2e0 [ 448.720959] ____cache_alloc_node+0x1c7/0x1e0 [ 448.725486] kmem_cache_alloc_node_trace+0xe7/0x740 [ 448.730546] __kmalloc_node_track_caller+0x33/0x70 [ 448.735486] __kmalloc_reserve.isra.39+0x41/0xe0 [ 448.740249] __alloc_skb+0x155/0x770 [ 448.743970] ? skb_scrub_packet+0x490/0x490 [ 448.748303] ? if_nlmsg_size+0x5d1/0xbb0 [ 448.752374] ? nla_put_ifalias+0x170/0x170 [ 448.756626] ? softnet_seq_show+0x470/0x470 [ 448.760953] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 448.765972] ? netif_tx_stop_all_queues+0xd9/0x110 [ 448.770907] rtmsg_ifinfo_build_skb+0x74/0x190 [ 448.775965] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 448.780816] rtmsg_ifinfo+0x8c/0xa0 [ 448.784450] dev_close_many+0x3be/0x860 [ 448.788442] ? unlist_netdevice+0x670/0x670 [ 448.792766] ? find_held_lock+0x36/0x1c0 [ 448.796836] ? __queue_work+0x6be/0x1440 [ 448.800898] ? lock_downgrade+0x900/0x900 [ 448.805055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.810622] ? rtnl_is_locked+0xb5/0xf0 [ 448.814611] ? rtnl_trylock+0x20/0x20 [ 448.818414] ? do_raw_spin_unlock+0xa7/0x2f0 [ 448.822825] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 448.827416] rollback_registered_many+0x56e/0x1240 [ 448.832354] ? generic_xdp_install+0x4c0/0x4c0 [ 448.836954] ? max_active_store+0x170/0x170 [ 448.841300] ? graph_lock+0x170/0x170 [ 448.845127] ? print_usage_bug+0xc0/0xc0 [ 448.849193] ? print_usage_bug+0xc0/0xc0 [ 448.853287] ? kfree_skbmem+0x154/0x230 [ 448.857262] ? graph_lock+0x170/0x170 [ 448.861064] ? print_usage_bug+0xc0/0xc0 [ 448.865133] ? find_held_lock+0x36/0x1c0 [ 448.869207] ? mark_held_locks+0xc7/0x130 [ 448.873361] rollback_registered+0x1e9/0x420 [ 448.877769] ? lockdep_hardirqs_on+0x351/0x5c0 [ 448.882352] ? rollback_registered_many+0x1240/0x1240 [ 448.887543] ? trace_hardirqs_on+0xbd/0x310 [ 448.891877] ? linkwatch_schedule_work+0x150/0x170 [ 448.896823] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 448.902288] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.907835] ? rtnl_is_locked+0xb5/0xf0 [ 448.911818] ? rtnl_trylock+0x20/0x20 [ 448.915629] ? queue_delayed_work_on+0x130/0x1f0 [ 448.920397] unregister_netdevice_queue+0x321/0x5e0 [ 448.925416] ? rollback_registered+0x420/0x420 [ 448.930001] ? linkwatch_schedule_work+0x170/0x170 [ 448.934933] ? tun_show_owner+0x170/0x170 [ 448.939090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.944639] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 448.950011] ? __tun_detach+0x6ba/0x15c0 [ 448.954088] __tun_detach+0x11b8/0x15c0 [ 448.958084] ? __call_rcu.constprop.69+0x429/0xbc0 [ 448.963054] ? tun_attach+0x1770/0x1770 [ 448.967051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.972599] ? check_preemption_disabled+0x48/0x200 [ 448.977639] ? graph_lock+0x170/0x170 [ 448.981445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.986981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.992518] ? locks_remove_file+0x3c6/0x5c0 [ 448.996928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.002463] ? ima_file_free+0x132/0x650 [ 449.006531] ? __lock_is_held+0xb5/0x140 [ 449.010609] ? __tun_detach+0x15c0/0x15c0 [ 449.014764] ? __tun_detach+0x15c0/0x15c0 [ 449.018915] tun_chr_close+0xe3/0x180 [ 449.022720] __fput+0x385/0xa30 [ 449.026013] ? get_max_files+0x20/0x20 [ 449.029908] ? ___might_sleep+0x1ed/0x300 [ 449.034057] ? arch_local_save_flags+0x40/0x40 [ 449.038652] ____fput+0x15/0x20 [ 449.041938] task_work_run+0x1e8/0x2a0 [ 449.045829] ? task_work_cancel+0x240/0x240 [ 449.050159] ? switch_task_namespaces+0xb8/0xd0 [ 449.054837] do_exit+0x1ad7/0x2610 [ 449.058394] ? mm_update_next_owner+0x990/0x990 [ 449.063067] ? print_usage_bug+0xc0/0xc0 [ 449.067145] ? __lock_acquire+0x7ec/0x4ec0 [ 449.071381] ? find_held_lock+0x36/0x1c0 [ 449.075466] ? __lock_acquire+0x7ec/0x4ec0 [ 449.079719] ? mark_held_locks+0x130/0x130 [ 449.083982] ? lock_acquire+0x1ed/0x520 [ 449.087971] ? mark_held_locks+0x130/0x130 [ 449.092207] ? arch_local_save_flags+0x40/0x40 [ 449.096789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.102347] ? __mutex_lock+0x872/0x1710 [ 449.106406] ? __switch_to_asm+0x40/0x70 [ 449.110468] ? __switch_to_asm+0x34/0x70 [ 449.114533] ? pipe_wait+0x266/0x2c0 [ 449.118258] ? mutex_trylock+0x2b0/0x2b0 [ 449.122337] ? graph_lock+0x170/0x170 [ 449.126140] ? find_held_lock+0x36/0x1c0 [ 449.130208] ? memset+0x31/0x40 [ 449.133494] ? find_held_lock+0x36/0x1c0 [ 449.137565] ? get_signal+0x95b/0x1980 [ 449.141466] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.145968] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.150474] do_group_exit+0x177/0x440 [ 449.154369] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.159819] ? __ia32_sys_exit+0x50/0x50 [ 449.163894] get_signal+0x8b0/0x1980 [ 449.167624] ? ptrace_notify+0x130/0x130 [ 449.171695] ? finish_wait+0x430/0x430 [ 449.175598] ? graph_lock+0x170/0x170 [ 449.179414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.184955] ? pipe_read+0x702/0x940 [ 449.188676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.194238] do_signal+0x9c/0x21e0 [ 449.197799] ? __vfs_read+0x11f/0x9b0 [ 449.201632] ? vfs_copy_file_range+0xb90/0xb90 [ 449.206229] ? setup_sigcontext+0x7d0/0x7d0 [ 449.210570] ? exit_to_usermode_loop+0x8c/0x380 [ 449.215270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.220818] exit_to_usermode_loop+0x2e5/0x380 [ 449.225407] ? syscall_slow_exit_work+0x520/0x520 [ 449.230248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.235806] do_syscall_64+0x6be/0x820 [ 449.239698] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 449.245071] ? syscall_return_slowpath+0x5e0/0x5e0 [ 449.250010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.254869] ? trace_hardirqs_off+0x300/0x300 [ 449.259386] ? prepare_exit_to_usermode+0x291/0x3b0 [ 449.264437] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.269315] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 449.274526] RIP: 0033:0x410e10 [ 449.277726] Code: Bad RIP value. [ 449.281087] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 449.288802] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 449.296079] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 449.303355] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 449.310627] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 449.317914] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 449.325234] warn_alloc_show_mem: 1 callbacks suppressed [ 449.325247] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 449.325249] Mem-Info: [ 449.325279] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 449.325279] active_file:19 inactive_file:16 isolated_file:0 [ 449.325279] unevictable:0 dirty:0 writeback:0 unstable:0 [ 449.325279] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 449.325279] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 449.325279] free:13785 free_pcp:397 free_cma:0 [ 449.330638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.330647] Call Trace: [ 449.337929] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 449.340331] [ 449.373132] Node 0 [ 449.382498] dump_stack+0x1c4/0x2b4 [ 449.385083] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 449.412664] ? dump_stack_print_info.cold.2+0x52/0x52 [ 449.414795] lowmem_reserve[]: [ 449.417047] warn_alloc.cold.118+0xb7/0x1bd [ 449.420636] 0 [ 449.446157] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 449.451324] 2815 [ 449.454423] ? lock_downgrade+0x900/0x900 [ 449.458716] 6318 [ 449.460519] ? trace_hardirqs_off+0xb8/0x300 [ 449.465331] 6318 [ 449.467388] ? trace_hardirqs_off+0xb8/0x300 [ 449.473572] __alloc_pages_slowpath+0x2667/0x2d80 [ 449.477953] Node 0 [ 449.480035] ? warn_alloc+0x120/0x120 [ 449.484417] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 449.489231] ? warn_alloc+0x120/0x120 [ 449.491440] lowmem_reserve[]: [ 449.495236] ? print_usage_bug+0xc0/0xc0 [ 449.521963] 0 [ 449.525775] ? warn_alloc+0x120/0x120 [ 449.528847] 0 [ 449.532907] ? print_usage_bug+0xc0/0xc0 [ 449.534683] 3503 [ 449.538480] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 449.540252] 3503 [ 449.544316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.551368] ? should_fail+0x22d/0xd01 [ 449.553408] Node 0 [ 449.558965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.562865] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 449.565083] ? __lock_acquire+0x7ec/0x4ec0 [ 449.570152] lowmem_reserve[]: 0 [ 449.598732] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.602944] 0 [ 449.606222] ? should_fail+0x22d/0xd01 [ 449.611294] 0 [ 449.613106] ? mark_held_locks+0x130/0x130 [ 449.616961] 0 [ 449.618758] ? mark_held_locks+0x130/0x130 [ 449.624775] ? print_usage_bug+0xc0/0xc0 [ 449.628986] Node 0 DMA: [ 449.633053] ? find_held_lock+0x36/0x1c0 [ 449.633057] 1*4kB (U) [ 449.635732] ? graph_lock+0x170/0x170 [ 449.639771] 0*8kB [ 449.642262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.646322] 0*16kB 1*32kB [ 449.648481] ? check_preemption_disabled+0x48/0x200 [ 449.653990] (U) [ 449.656829] ? check_preemption_disabled+0x48/0x200 [ 449.661821] 2*64kB [ 449.663805] ? __lock_is_held+0xb5/0x140 [ 449.668786] (U) [ 449.671024] __alloc_pages_nodemask+0xa80/0xde0 [ 449.675063] 1*128kB [ 449.677047] ? graph_lock+0x170/0x170 [ 449.681702] (U) [ 449.684050] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 449.687824] 1*256kB [ 449.689802] ? graph_lock+0x170/0x170 [ 449.694791] (U) [ 449.697122] ? find_held_lock+0x36/0x1c0 [ 449.700895] 0*512kB [ 449.702870] ? ____cache_alloc_node+0x1c7/0x1e0 [ 449.706901] 1*1024kB [ 449.709218] ? lock_downgrade+0x900/0x900 [ 449.713861] (U) [ 449.716313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.720432] 1*2048kB [ 449.722407] cache_grow_begin+0x91/0x8c0 [ 449.727916] (M) [ 449.730333] ? do_raw_spin_unlock+0xa7/0x2f0 [ 449.734366] 3*4096kB [ 449.737088] fallback_alloc+0x203/0x2e0 [ 449.741462] (M) [ 449.743877] ____cache_alloc_node+0x1c7/0x1e0 [ 449.747817] = 15908kB [ 449.749795] kmem_cache_alloc_node+0xe3/0x730 [ 449.754254] Node 0 [ 449.756674] ? mark_held_locks+0xc7/0x130 [ 449.761161] DMA32: [ 449.763402] __alloc_skb+0x119/0x770 [ 449.767520] 3*4kB [ 449.769751] ? skb_scrub_packet+0x490/0x490 [ 449.773437] (M) [ 449.775584] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 449.779889] 1*8kB [ 449.781871] ? queue_work_on+0x12c/0x1e0 [ 449.786423] (M) [ 449.788579] ? switchdev_port_obj_del+0xdc/0x450 [ 449.792616] 3*16kB (UM) [ 449.794629] ? switchdev_trans_item_enqueue+0x260/0x260 [ 449.799362] 3*32kB [ 449.802053] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 449.807398] (UM) [ 449.809652] __br_mdb_notify+0x4ff/0x15d0 [ 449.814631] 2*64kB [ 449.816690] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 449.820807] (UM) [ 449.823048] ? __br_mdb_add+0x800/0x800 [ 449.828118] 5*128kB [ 449.830176] ? kasan_check_write+0x14/0x20 [ 449.834125] (UM) [ 449.836490] ? do_raw_spin_lock+0xc1/0x200 [ 449.840697] 3*256kB [ 449.842759] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 449.846967] (M) [ 449.849284] ? debug_object_assert_init+0x368/0x4b0 [ 449.854361] 4*512kB [ 449.856333] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.861321] (M) [ 449.863643] ? debug_object_init_on_stack+0x20/0x20 [ 449.869070] 3*1024kB [ 449.871045] ? graph_lock+0x170/0x170 [ 449.876031] (UM) [ 449.878439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.882213] 3*2048kB [ 449.884281] br_mdb_notify+0x310/0x410 [ 449.889788] (M) [ 449.892195] ? br_mdb_dump+0x2530/0x2530 [ 449.896054] 3*4096kB (M) [ 449.898050] br_multicast_del_pg+0x3df/0x790 [ 449.902074] = 25252kB [ 449.904832] ? br_mdb_ip_get+0x940/0x940 [ 449.909208] Node 0 [ 449.911627] ? kasan_check_write+0x14/0x20 [ 449.915659] Normal: [ 449.917906] ? do_raw_spin_lock+0xc1/0x200 [ 449.922125] 1016*4kB [ 449.924467] br_multicast_port_group_expired+0x189/0x1e0 [ 449.928666] (UME) [ 449.931081] call_timer_fn+0x272/0x920 [ 449.936502] 348*8kB [ 449.938649] ? br_multicast_del_pg+0x790/0x790 [ 449.942514] (UME) [ 449.944843] ? process_timeout+0x40/0x40 [ 449.949401] 167*16kB [ 449.951553] ? find_held_lock+0x36/0x1c0 [ 449.955583] (UME) [ 449.958010] ? __run_timers+0x7da/0xc70 [ 449.962038] 68*32kB [ 449.964184] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.968134] (UME) [ 449.970453] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.974924] 21*64kB [ 449.977069] ? br_multicast_del_pg+0x790/0x790 [ 449.981535] (M) [ 449.983861] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 449.988418] 6*128kB [ 449.990392] ? trace_hardirqs_on+0xbd/0x310 [ 449.994948] (UM) [ 449.997269] ? kasan_check_read+0x11/0x20 [ 450.001563] 1*256kB [ 450.003631] ? __run_timers+0x7da/0xc70 [ 450.007749] (U) [ 450.010096] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 450.014060] 0*512kB [ 450.016038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.021463] 0*1024kB [ 450.023789] ? br_multicast_del_pg+0x790/0x790 [ 450.027997] 0*2048kB [ 450.030405] __run_timers+0x7e5/0xc70 [ 450.034972] 0*4096kB [ 450.037406] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 450.041178] = 14064kB [ 450.043633] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.048963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 450.051373] ? graph_lock+0x170/0x170 [ 450.056365] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 450.065201] ? enqueue_hrtimer+0x1a5/0x560 [ 450.068976] 503 total pagecache pages [ 450.077548] ? lock_release+0x970/0x970 [ 450.081764] 0 pages in swap cache [ 450.085554] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 450.089501] Swap cache stats: add 0, delete 0, find 0/0 [ 450.092953] ? find_held_lock+0x36/0x1c0 [ 450.098117] Free swap = 0kB [ 450.103477] ? graph_lock+0x170/0x170 [ 450.107513] Total swap = 0kB [ 450.110532] ? pvclock_read_flags+0x160/0x160 [ 450.114304] 1965979 pages RAM [ 450.117319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.121790] 0 pages HighMem/MovableOnly [ 450.124898] ? check_preemption_disabled+0x48/0x200 [ 450.130418] 343324 pages reserved [ 450.134413] ? __lock_is_held+0xb5/0x140 [ 450.139410] 0 pages cma reserved [ 450.142884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.147099] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.150292] ? check_preemption_disabled+0x48/0x200 [ 450.155817] syz-executor2 cpuset= [ 450.166330] run_timer_softirq+0x52/0xb0 [ 450.171327] syz2 [ 450.174786] ? rcu_read_lock_sched_held+0x108/0x120 [ 450.178817] mems_allowed=0 [ 450.180789] __do_softirq+0x30b/0xad8 [ 450.192503] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 450.197625] ? pvclock_read_flags+0x160/0x160 [ 450.202127] ? lapic_next_event+0x5a/0x90 [ 450.206279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.211820] ? check_preemption_disabled+0x48/0x200 [ 450.216834] ? check_preemption_disabled+0x48/0x200 [ 450.221857] ? kvm_clock_read+0x18/0x30 [ 450.225837] ? kvm_sched_clock_read+0x9/0x20 [ 450.230251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.235786] ? check_preemption_disabled+0x48/0x200 [ 450.240816] irq_exit+0x17f/0x1c0 [ 450.244276] smp_apic_timer_interrupt+0x1cb/0x760 [ 450.249123] ? smp_reschedule_interrupt+0x109/0x650 [ 450.254142] ? smp_call_function_single_interrupt+0x650/0x650 [ 450.260033] ? interrupt_entry+0xb5/0xf0 [ 450.264119] ? trace_hardirqs_off_caller+0xbb/0x300 [ 450.269138] ? trace_hardirqs_off_caller+0xbb/0x300 [ 450.274163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.279024] ? trace_hardirqs_off+0x300/0x300 [ 450.283545] ? trace_hardirqs_off+0x300/0x300 [ 450.288066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.293625] ? check_preemption_disabled+0x48/0x200 [ 450.298646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.304197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.309055] apic_timer_interrupt+0xf/0x20 [ 450.313286] [ 450.315529] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 450.320459] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 450.339369] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 450.347093] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 450.354380] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 450.361653] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 450.368924] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 450.376194] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 450.383518] skb_clone+0x1bb/0x500 [ 450.387067] ? skb_split+0x11e0/0x11e0 [ 450.390957] ? preempt_notifier_register+0x200/0x200 [ 450.396066] ? __switch_to_asm+0x34/0x70 [ 450.400143] ? __switch_to_asm+0x34/0x70 [ 450.404225] ? __switch_to_asm+0x40/0x70 [ 450.408298] ? __switch_to_asm+0x34/0x70 [ 450.412363] ? __switch_to_asm+0x40/0x70 [ 450.416431] ? __switch_to_asm+0x40/0x70 [ 450.420494] ? __switch_to_asm+0x34/0x70 [ 450.424558] ? __switch_to_asm+0x34/0x70 [ 450.428639] ? __switch_to_asm+0x40/0x70 [ 450.432704] ? __switch_to_asm+0x34/0x70 [ 450.436781] bpf_clone_redirect+0xb9/0x490 [ 450.441028] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 450.446053] ? __sched_text_start+0x8/0x8 [ 450.450205] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 450.454991] ? find_held_lock+0x36/0x1c0 [ 450.459070] ? lock_acquire+0x1ed/0x520 [ 450.463048] ? bpf_test_run+0x32e/0x5a0 [ 450.467031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.472569] ? check_preemption_disabled+0x48/0x200 [ 450.477617] ? kasan_check_read+0x11/0x20 [ 450.481767] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 450.487046] ? rcu_bh_qs+0xc0/0xc0 [ 450.490599] ? preempt_schedule+0x4d/0x60 [ 450.494762] ? ___preempt_schedule+0x16/0x18 [ 450.499201] ? bpf_test_run+0x1c0/0x5a0 [ 450.503203] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 450.508065] ? netlink_diag_dump+0x2a0/0x2a0 [ 450.512485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.518041] ? bpf_test_init.isra.9+0x70/0x100 [ 450.522663] ? bpf_prog_test_run_skb+0x634/0xb40 [ 450.527478] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 450.532332] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 450.537874] ? fput+0x130/0x1a0 [ 450.541162] ? __bpf_prog_get+0x9b/0x290 [ 450.545239] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 450.550085] ? bpf_prog_test_run+0x130/0x1a0 [ 450.554502] ? __x64_sys_bpf+0x3d8/0x510 [ 450.558565] ? bpf_prog_get+0x20/0x20 [ 450.562395] ? do_syscall_64+0x1b9/0x820 [ 450.566456] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 450.571827] ? syscall_return_slowpath+0x5e0/0x5e0 [ 450.576761] ? trace_hardirqs_off+0x300/0x300 [ 450.581264] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 450.586279] ? recalc_sigpending_tsk+0x180/0x180 [ 450.591040] ? kasan_check_write+0x14/0x20 [ 450.595284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.600144] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 450.605529] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98 [ 450.605725] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.612726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.623209] syz-executor4 cpuset= [ 450.632560] Call Trace: [ 450.632574] syz4 [ 450.636035] [ 450.638641] mems_allowed=0 [ 450.640637] dump_stack+0x1c4/0x2b4 [ 450.649350] ? dump_stack_print_info.cold.2+0x52/0x52 [ 450.654584] warn_alloc.cold.118+0xb7/0x1bd [ 450.658945] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 450.663805] ? lock_downgrade+0x900/0x900 [ 450.667964] ? trace_hardirqs_off+0xb8/0x300 [ 450.672383] ? trace_hardirqs_off+0xb8/0x300 [ 450.676807] __alloc_pages_slowpath+0x2667/0x2d80 [ 450.681689] ? warn_alloc+0x120/0x120 [ 450.685496] ? warn_alloc+0x120/0x120 [ 450.689300] ? print_usage_bug+0xc0/0xc0 [ 450.693365] ? warn_alloc+0x120/0x120 [ 450.697170] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 450.702187] ? print_usage_bug+0xc0/0xc0 [ 450.706249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.711795] ? check_preemption_disabled+0x48/0x200 [ 450.716825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.722368] ? should_fail+0x22d/0xd01 [ 450.726256] ? __lock_acquire+0x7ec/0x4ec0 [ 450.730529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.735638] ? __lock_acquire+0x7ec/0x4ec0 [ 450.739881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.744993] ? __lock_acquire+0x7ec/0x4ec0 [ 450.749233] ? should_fail+0x22d/0xd01 [ 450.753143] ? mark_held_locks+0x130/0x130 [ 450.757394] ? mark_held_locks+0x130/0x130 [ 450.761653] ? graph_lock+0x170/0x170 [ 450.765478] ? print_usage_bug+0xc0/0xc0 [ 450.769552] ? find_held_lock+0x36/0x1c0 [ 450.773631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.779696] ? check_preemption_disabled+0x48/0x200 [ 450.784712] ? check_preemption_disabled+0x48/0x200 [ 450.789740] ? __lock_is_held+0xb5/0x140 [ 450.793808] __alloc_pages_nodemask+0xa80/0xde0 [ 450.798477] ? graph_lock+0x170/0x170 [ 450.802286] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 450.807298] ? graph_lock+0x170/0x170 [ 450.811115] ? find_held_lock+0x36/0x1c0 [ 450.815192] ? ____cache_alloc_node+0x1c7/0x1e0 [ 450.819864] ? lock_downgrade+0x900/0x900 [ 450.824023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.829576] cache_grow_begin+0x91/0x8c0 [ 450.833655] ? do_raw_spin_unlock+0xa7/0x2f0 [ 450.838073] fallback_alloc+0x203/0x2e0 [ 450.842055] ____cache_alloc_node+0x1c7/0x1e0 [ 450.846559] kmem_cache_alloc_node+0xe3/0x730 [ 450.851063] ? ipv6_get_ifaddr+0x42e/0x620 [ 450.855311] __alloc_skb+0x119/0x770 [ 450.859031] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 450.864316] ? skb_scrub_packet+0x490/0x490 [ 450.868660] ? lock_downgrade+0x900/0x900 [ 450.872818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.878370] ? refcount_sub_and_test_checked+0x203/0x310 [ 450.883855] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 450.889337] ? addrconf_rs_timer+0x6f0/0x6f0 [ 450.893766] ndisc_alloc_skb+0x144/0x340 [ 450.897835] ndisc_send_rs+0x331/0x6e0 [ 450.901729] addrconf_rs_timer+0x3c0/0x6f0 [ 450.905976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.910227] call_timer_fn+0x272/0x920 [ 450.914122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.918360] ? process_timeout+0x40/0x40 [ 450.922420] ? find_held_lock+0x36/0x1c0 [ 450.926494] ? mark_held_locks+0xc7/0x130 [ 450.930665] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.935164] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.939665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.943903] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 450.948498] ? trace_hardirqs_on+0xbd/0x310 [ 450.952818] ? kasan_check_read+0x11/0x20 [ 450.956968] ? __run_timers+0x7da/0xc70 [ 450.960968] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 450.966453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.970691] __run_timers+0x7e5/0xc70 [ 450.974513] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 450.979887] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.984907] ? graph_lock+0x170/0x170 [ 450.988720] ? print_usage_bug+0xc0/0xc0 [ 450.992782] ? lock_release+0x970/0x970 [ 450.996770] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 451.001993] ? find_held_lock+0x36/0x1c0 [ 451.006091] ? graph_lock+0x170/0x170 [ 451.009915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.015454] ? check_preemption_disabled+0x48/0x200 [ 451.020483] ? __lock_is_held+0xb5/0x140 [ 451.024543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.030085] ? check_preemption_disabled+0x48/0x200 [ 451.035135] run_timer_softirq+0x52/0xb0 [ 451.039204] ? rcu_read_lock_sched_held+0x108/0x120 [ 451.044229] __do_softirq+0x30b/0xad8 [ 451.048046] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 451.053159] ? pvclock_read_flags+0x160/0x160 [ 451.057655] ? lapic_next_event+0x5a/0x90 [ 451.061808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.067344] ? check_preemption_disabled+0x48/0x200 [ 451.072363] ? check_preemption_disabled+0x48/0x200 [ 451.077391] ? kvm_clock_read+0x18/0x30 [ 451.081366] ? kvm_sched_clock_read+0x9/0x20 [ 451.085781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.091322] ? check_preemption_disabled+0x48/0x200 [ 451.096355] irq_exit+0x17f/0x1c0 [ 451.099812] smp_apic_timer_interrupt+0x1cb/0x760 [ 451.104675] ? smp_reschedule_interrupt+0x109/0x650 [ 451.109723] ? smp_call_function_single_interrupt+0x650/0x650 [ 451.115649] ? interrupt_entry+0xb5/0xf0 [ 451.119739] ? trace_hardirqs_off_caller+0xbb/0x300 [ 451.124784] ? trace_hardirqs_off_caller+0xbb/0x300 [ 451.129831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.134688] ? trace_hardirqs_off+0x300/0x300 [ 451.139186] ? trace_hardirqs_off+0x300/0x300 [ 451.143688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.149224] ? check_preemption_disabled+0x48/0x200 [ 451.154243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.159790] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.164651] apic_timer_interrupt+0xf/0x20 [ 451.168884] [ 451.171132] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 451.176410] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 d9 68 09 fa 48 83 3d 19 6f b9 01 00 75 07 e8 9a 14 c6 f9 0f 0b e8 93 14 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 8d 68 09 fa 4c 8b 45 d0 e9 [ 451.195321] RSP: 0000:ffff8801a8c0d438 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 451.203043] RAX: ffff8801a8c06280 RBX: 0000000000000293 RCX: 1ffff10035180d69 [ 451.210314] RDX: 0000000000000000 RSI: ffffffff87b8ba9d RDI: 0000000000000293 [ 451.217586] RBP: ffff8801a8c0d440 R08: ffff8801a8c06b48 R09: 0000000000000006 [ 451.224878] R10: 0000000000000000 R11: ffff8801a8c06280 R12: 0000000000000293 [ 451.232151] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 451.239457] ? arch_local_irq_restore+0x45/0x52 [ 451.244172] dump_stack+0x26a/0x2b4 [ 451.247842] ? dump_stack_print_info.cold.2+0x52/0x52 [ 451.253072] ? mark_held_locks+0x130/0x130 [ 451.257343] ? mark_held_locks+0x130/0x130 [ 451.261617] dump_header+0x27b/0xf72 [ 451.265370] ? pagefault_out_of_memory+0x197/0x197 [ 451.270324] ? mark_held_locks+0x130/0x130 [ 451.274566] ? __lock_acquire+0x7ec/0x4ec0 [ 451.278819] ? print_usage_bug+0xc0/0xc0 [ 451.282908] ? graph_lock+0x170/0x170 [ 451.286710] ? graph_lock+0x170/0x170 [ 451.290515] ? print_usage_bug+0xc0/0xc0 [ 451.294577] ? print_usage_bug+0xc0/0xc0 [ 451.298657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.304200] ? find_held_lock+0x36/0x1c0 [ 451.308270] ? mark_held_locks+0xc7/0x130 [ 451.312432] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.317540] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.322645] ? lockdep_hardirqs_on+0x421/0x5c0 [ 451.327229] ? trace_hardirqs_on+0xbd/0x310 [ 451.331550] ? kasan_check_read+0x11/0x20 [ 451.335699] ? ___ratelimit+0x36f/0x655 [ 451.339677] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 451.345138] ? trace_hardirqs_on+0x310/0x310 [ 451.349571] ? lock_downgrade+0x900/0x900 [ 451.353735] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 451.358842] ? ___ratelimit+0xaa/0x655 [ 451.362743] ? idr_get_free+0xec0/0xec0 [ 451.366736] ? kasan_check_write+0x14/0x20 [ 451.371000] ? do_raw_spin_lock+0xc1/0x200 [ 451.375251] oom_kill_process.cold.27+0x10/0x903 [ 451.380014] ? graph_lock+0x170/0x170 [ 451.383816] ? _raw_spin_unlock+0x2c/0x50 [ 451.387963] ? oom_badness+0xe6/0xaa0 [ 451.391771] ? oom_evaluate_task+0x540/0x540 [ 451.396188] ? find_held_lock+0x36/0x1c0 [ 451.400257] ? out_of_memory+0x974/0x14c0 [ 451.404408] ? lock_downgrade+0x900/0x900 [ 451.408558] ? check_preemption_disabled+0x48/0x200 [ 451.413599] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 451.419396] ? kasan_check_read+0x11/0x20 [ 451.423545] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 451.428825] ? rcu_bh_qs+0xc0/0xc0 [ 451.432381] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 451.437398] ? oom_evaluate_task+0x302/0x540 [ 451.441810] out_of_memory+0xa86/0x14c0 [ 451.445797] ? oom_killer_disable+0x3a0/0x3a0 [ 451.450297] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 451.455228] ? __mutex_add_waiter+0x2a0/0x2a0 [ 451.459736] __alloc_pages_slowpath+0x2318/0x2d80 [ 451.464622] ? warn_alloc+0x120/0x120 [ 451.468438] ? lock_downgrade+0x900/0x900 [ 451.472603] ? print_usage_bug+0xc0/0xc0 [ 451.476669] ? warn_alloc+0x120/0x120 [ 451.480474] ? print_usage_bug+0xc0/0xc0 [ 451.484554] ? debug_check_no_obj_freed+0x305/0x58d [ 451.489616] ? print_usage_bug+0xc0/0xc0 [ 451.493703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.499255] ? should_fail+0x22d/0xd01 [ 451.503154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.508260] ? __lock_acquire+0x7ec/0x4ec0 [ 451.512523] ? __lock_is_held+0xb5/0x140 [ 451.516604] ? graph_lock+0x170/0x170 [ 451.520414] ? ___might_sleep+0x1ed/0x300 [ 451.524586] ? lock_release+0x970/0x970 [ 451.528663] ? arch_local_save_flags+0x40/0x40 [ 451.533266] ? __might_sleep+0x95/0x190 [ 451.537247] __alloc_pages_nodemask+0xa80/0xde0 [ 451.541930] ? graph_lock+0x170/0x170 [ 451.545754] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 451.550776] ? graph_lock+0x170/0x170 [ 451.554629] ? mark_held_locks+0xc7/0x130 [ 451.558782] ? find_held_lock+0x36/0x1c0 [ 451.562854] ? cache_grow_begin+0x5a4/0x8c0 [ 451.567180] ? lockdep_hardirqs_on+0x421/0x5c0 [ 451.571764] ? trace_hardirqs_on+0xbd/0x310 [ 451.576091] ? fallback_alloc+0x203/0x2e0 [ 451.580249] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 451.585718] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 451.591286] cache_grow_begin+0x91/0x8c0 [ 451.595378] ? do_raw_spin_unlock+0xa7/0x2f0 [ 451.599824] fallback_alloc+0x203/0x2e0 [ 451.603838] ____cache_alloc_node+0x1c7/0x1e0 [ 451.608368] kmem_cache_alloc_node_trace+0xe7/0x740 [ 451.613436] __kmalloc_node_track_caller+0x33/0x70 [ 451.618394] __kmalloc_reserve.isra.39+0x41/0xe0 [ 451.623165] __alloc_skb+0x155/0x770 [ 451.626885] ? skb_scrub_packet+0x490/0x490 [ 451.631212] ? if_nlmsg_size+0x5d1/0xbb0 [ 451.635283] ? nla_put_ifalias+0x170/0x170 [ 451.639528] ? softnet_seq_show+0x470/0x470 [ 451.644203] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 451.649223] ? netif_tx_stop_all_queues+0xd9/0x110 [ 451.654178] rtmsg_ifinfo_build_skb+0x74/0x190 [ 451.658768] rtmsg_ifinfo_event.part.31+0x45/0xe0 [ 451.663627] rtmsg_ifinfo+0x8c/0xa0 [ 451.667265] dev_close_many+0x3be/0x860 [ 451.671256] ? unlist_netdevice+0x670/0x670 [ 451.675595] ? find_held_lock+0x36/0x1c0 [ 451.679670] ? __queue_work+0x6be/0x1440 [ 451.683739] ? lock_downgrade+0x900/0x900 [ 451.687894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.693434] ? rtnl_is_locked+0xb5/0xf0 [ 451.697410] ? rtnl_trylock+0x20/0x20 [ 451.701221] ? do_raw_spin_unlock+0xa7/0x2f0 [ 451.705657] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 451.710277] rollback_registered_many+0x56e/0x1240 [ 451.715291] ? generic_xdp_install+0x4c0/0x4c0 [ 451.719899] ? max_active_store+0x170/0x170 [ 451.724239] ? graph_lock+0x170/0x170 [ 451.728059] ? print_usage_bug+0xc0/0xc0 [ 451.732147] ? print_usage_bug+0xc0/0xc0 [ 451.736230] ? kfree_skbmem+0x154/0x230 [ 451.740212] ? graph_lock+0x170/0x170 [ 451.744016] ? print_usage_bug+0xc0/0xc0 [ 451.748085] ? find_held_lock+0x36/0x1c0 [ 451.752161] ? mark_held_locks+0xc7/0x130 [ 451.756319] rollback_registered+0x1e9/0x420 [ 451.760729] ? lockdep_hardirqs_on+0x351/0x5c0 [ 451.765315] ? rollback_registered_many+0x1240/0x1240 [ 451.770525] ? trace_hardirqs_on+0xbd/0x310 [ 451.774849] ? linkwatch_schedule_work+0x150/0x170 [ 451.779780] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 451.785239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.790776] ? rtnl_is_locked+0xb5/0xf0 [ 451.794842] ? rtnl_trylock+0x20/0x20 [ 451.798652] ? queue_delayed_work_on+0x130/0x1f0 [ 451.803414] unregister_netdevice_queue+0x321/0x5e0 [ 451.808434] ? rollback_registered+0x420/0x420 [ 451.813022] ? linkwatch_schedule_work+0x170/0x170 [ 451.817957] ? tun_show_owner+0x170/0x170 [ 451.822117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.827664] ? netif_set_real_num_tx_queues+0x10d/0x6f0 [ 451.833034] ? __tun_detach+0x6ba/0x15c0 [ 451.837131] __tun_detach+0x11b8/0x15c0 [ 451.841110] ? __call_rcu.constprop.69+0x429/0xbc0 [ 451.846067] ? tun_attach+0x1770/0x1770 [ 451.850069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.855633] ? check_preemption_disabled+0x48/0x200 [ 451.860672] ? graph_lock+0x170/0x170 [ 451.864478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.870016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.875557] ? locks_remove_file+0x3c6/0x5c0 [ 451.879977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.885518] ? ima_file_free+0x132/0x650 [ 451.889587] ? __lock_is_held+0xb5/0x140 [ 451.893694] ? __tun_detach+0x15c0/0x15c0 [ 451.897852] ? __tun_detach+0x15c0/0x15c0 [ 451.902000] tun_chr_close+0xe3/0x180 [ 451.905804] __fput+0x385/0xa30 [ 451.909091] ? get_max_files+0x20/0x20 [ 451.912992] ? ___might_sleep+0x1ed/0x300 [ 451.917153] ? arch_local_save_flags+0x40/0x40 [ 451.921763] ____fput+0x15/0x20 [ 451.925047] task_work_run+0x1e8/0x2a0 [ 451.928939] ? task_work_cancel+0x240/0x240 [ 451.933272] ? switch_task_namespaces+0xb8/0xd0 [ 451.937949] do_exit+0x1ad7/0x2610 [ 451.941515] ? mm_update_next_owner+0x990/0x990 [ 451.946187] ? print_usage_bug+0xc0/0xc0 [ 451.950294] ? __lock_acquire+0x7ec/0x4ec0 [ 451.954535] ? find_held_lock+0x36/0x1c0 [ 451.958614] ? __lock_acquire+0x7ec/0x4ec0 [ 451.962858] ? mark_held_locks+0x130/0x130 [ 451.967120] ? lock_acquire+0x1ed/0x520 [ 451.971132] ? mark_held_locks+0x130/0x130 [ 451.975388] ? arch_local_save_flags+0x40/0x40 [ 451.979975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.985539] ? __mutex_lock+0x872/0x1710 [ 451.989611] ? __switch_to_asm+0x40/0x70 [ 451.993693] ? __switch_to_asm+0x34/0x70 [ 451.997758] ? pipe_wait+0x266/0x2c0 [ 452.001481] ? mutex_trylock+0x2b0/0x2b0 [ 452.005576] ? graph_lock+0x170/0x170 [ 452.009388] ? find_held_lock+0x36/0x1c0 [ 452.013474] ? memset+0x31/0x40 [ 452.016767] ? find_held_lock+0x36/0x1c0 [ 452.020927] ? get_signal+0x95b/0x1980 [ 452.024834] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.029329] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.033834] do_group_exit+0x177/0x440 [ 452.037740] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 452.043211] ? __ia32_sys_exit+0x50/0x50 [ 452.047303] get_signal+0x8b0/0x1980 [ 452.051045] ? ptrace_notify+0x130/0x130 [ 452.055124] ? finish_wait+0x430/0x430 [ 452.059017] ? graph_lock+0x170/0x170 [ 452.062835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.068400] ? pipe_read+0x702/0x940 [ 452.072150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.077748] do_signal+0x9c/0x21e0 [ 452.081315] ? __vfs_read+0x11f/0x9b0 [ 452.085158] ? vfs_copy_file_range+0xb90/0xb90 [ 452.089776] ? setup_sigcontext+0x7d0/0x7d0 [ 452.094159] ? exit_to_usermode_loop+0x8c/0x380 [ 452.098880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.104452] exit_to_usermode_loop+0x2e5/0x380 [ 452.109054] ? syscall_slow_exit_work+0x520/0x520 [ 452.113909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.119473] do_syscall_64+0x6be/0x820 [ 452.123370] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 452.128744] ? syscall_return_slowpath+0x5e0/0x5e0 [ 452.133678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.138530] ? trace_hardirqs_off+0x300/0x300 [ 452.143038] ? prepare_exit_to_usermode+0x291/0x3b0 [ 452.148071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.152929] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 452.158134] RIP: 0033:0x410e10 [ 452.161336] Code: Bad RIP value. [ 452.164701] RSP: 002b:00007fffa0c9ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 452.172420] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410e10 [ 452.179713] RDX: 0000000000000038 RSI: 0000000000930060 RDI: 00000000000000f9 [ 452.186986] RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000 [ 452.194272] R10: 0000000000709640 R11: 0000000000000246 R12: 000000000000000d [ 452.201559] R13: 000000000002fbcc R14: 00000000000000b0 R15: badc0ffeebadface [ 452.208887] warn_alloc_show_mem: 1 callbacks suppressed [ 452.208901] CPU: 0 PID: 12911 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #98 [ 452.208903] Mem-Info: [ 452.208934] active_anon:46161 inactive_anon:461 isolated_anon:0 [ 452.208934] active_file:19 inactive_file:16 isolated_file:0 [ 452.208934] unevictable:0 dirty:0 writeback:0 unstable:0 [ 452.208934] slab_reclaimable:8950 slab_unreclaimable:1482383 [ 452.208934] mapped:8387 shmem:468 pagetables:413 bounce:0 [ 452.208934] free:13785 free_pcp:397 free_cma:0 [ 452.214313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 452.221619] Node 0 active_anon:184644kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:33548kB dirty:0kB writeback:0kB shmem:1872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 452.224049] Call Trace: [ 452.256848] Node 0 [ 452.266221] [ 452.293835] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 452.296414] dump_stack+0x1c4/0x2b4 [ 452.298620] lowmem_reserve[]: 0 [ 452.300787] ? dump_stack_print_info.cold.2+0x52/0x52 [ 452.326267] 2815 6318 [ 452.329941] warn_alloc.cold.118+0xb7/0x1bd [ 452.333195] 6318 [ 452.338409] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 452.345235] ? lock_downgrade+0x900/0x900 [ 452.347277] Node 0 [ 452.352135] ? trace_hardirqs_off+0xb8/0x300 [ 452.356284] DMA32 free:25252kB min:30036kB low:37544kB high:45052kB active_anon:148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 452.358504] ? trace_hardirqs_off+0xb8/0x300 [ 452.362880] lowmem_reserve[]: [ 452.389795] __alloc_pages_slowpath+0x2667/0x2d80 [ 452.394195] 0 [ 452.397351] ? warn_alloc+0x120/0x120 [ 452.402158] 0 [ 452.403984] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 452.407767] 3503 [ 452.409585] ? warn_alloc+0x120/0x120 [ 452.414585] 3503 [ 452.416672] ? print_usage_bug+0xc0/0xc0 [ 452.420444] Node 0 [ 452.422509] ? warn_alloc+0x120/0x120 [ 452.426567] Normal free:13980kB min:37376kB low:46720kB high:56064kB active_anon:184496kB inactive_anon:1844kB active_file:76kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:1652kB bounce:0kB free_pcp:1588kB local_pcp:1340kB free_cma:0kB [ 452.428777] ? print_usage_bug+0xc0/0xc0 [ 452.432543] lowmem_reserve[]: 0 [ 452.461119] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 452.465177] 0 [ 452.468482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.473649] 0 [ 452.475465] ? should_fail+0x22d/0xd01 [ 452.480978] 0 [ 452.482797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.488456] ? __lock_acquire+0x7ec/0x4ec0 [ 452.493528] Node 0 DMA: [ 452.497764] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.497780] ? should_fail+0x22d/0xd01 [ 452.500430] 1*4kB [ 452.505534] ? mark_held_locks+0x130/0x130 [ 452.509388] (U) [ 452.511534] ? mark_held_locks+0x130/0x130 [ 452.515747] 0*8kB [ 452.517720] ? print_usage_bug+0xc0/0xc0 [ 452.521930] 0*16kB [ 452.524079] ? find_held_lock+0x36/0x1c0 [ 452.528120] 1*32kB [ 452.530355] ? graph_lock+0x170/0x170 [ 452.534390] (U) [ 452.536635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.540402] 2*64kB [ 452.542371] ? check_preemption_disabled+0x48/0x200 [ 452.547883] (U) [ 452.550115] ? check_preemption_disabled+0x48/0x200 [ 452.555111] 1*128kB [ 452.557089] ? __lock_is_held+0xb5/0x140 [ 452.562073] (U) [ 452.564397] __alloc_pages_nodemask+0xa80/0xde0 [ 452.568449] 1*256kB [ 452.570418] ? graph_lock+0x170/0x170 [ 452.575062] (U) [ 452.577387] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 452.581163] 0*512kB [ 452.583131] ? graph_lock+0x170/0x170 [ 452.583157] ? find_held_lock+0x36/0x1c0 [ 452.588145] 1*1024kB [ 452.590470] ? ____cache_alloc_node+0x1c7/0x1e0 [ 452.594324] (U) [ 452.598386] ? lock_downgrade+0x900/0x900 [ 452.600778] 1*2048kB [ 452.605538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.607479] (M) [ 452.611639] cache_grow_begin+0x91/0x8c0 [ 452.614016] 3*4096kB [ 452.619549] ? do_raw_spin_unlock+0xa7/0x2f0 [ 452.621495] (M) [ 452.625553] fallback_alloc+0x203/0x2e0 [ 452.627937] = 15908kB [ 452.632343] ____cache_alloc_node+0x1c7/0x1e0 [ 452.634293] Node 0 [ 452.638264] kmem_cache_alloc_node+0xe3/0x730 [ 452.640648] DMA32: [ 452.645653] ? mark_held_locks+0xc7/0x130 [ 452.647866] 3*4kB [ 452.652363] __alloc_skb+0x119/0x770 [ 452.654597] (M) [ 452.658744] ? skb_scrub_packet+0x490/0x490 [ 452.660872] 1*8kB [ 452.664578] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 452.666536] (M) [ 452.670855] ? queue_work_on+0x12c/0x1e0 [ 452.672980] 3*16kB [ 452.677557] ? switchdev_port_obj_del+0xdc/0x450 [ 452.679505] (UM) [ 452.683561] ? switchdev_trans_item_enqueue+0x260/0x260 [ 452.685772] 3*32kB [ 452.690521] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 452.692558] (UM) [ 452.697919] __br_mdb_notify+0x4ff/0x15d0 [ 452.700136] 2*64kB [ 452.705152] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 452.707187] (UM) [ 452.711350] ? __br_mdb_add+0x800/0x800 [ 452.713562] 5*128kB [ 452.718660] ? kasan_check_write+0x14/0x20 [ 452.720874] (UM) [ 452.724851] ? do_raw_spin_lock+0xc1/0x200 [ 452.727152] 3*256kB [ 452.731391] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 452.733426] (M) [ 452.737658] ? debug_object_assert_init+0x368/0x4b0 [ 452.739952] 4*512kB (M) [ 452.745057] ? debug_object_init_on_stack+0x20/0x20 [ 452.747012] 3*1024kB [ 452.752024] ? graph_lock+0x170/0x170 [ 452.754671] (UM) [ 452.759685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.762070] 3*2048kB [ 452.765870] br_mdb_notify+0x310/0x410 [ 452.767904] (M) [ 452.773435] ? br_mdb_dump+0x2530/0x2530 [ 452.776314] 3*4096kB (M) [ 452.780221] br_multicast_del_pg+0x3df/0x790 [ 452.782157] = 25252kB [ 452.786215] ? br_mdb_ip_get+0x940/0x940 [ 452.788944] Node 0 [ 452.793349] ? kasan_check_write+0x14/0x20 [ 452.795749] Normal: [ 452.799809] ? do_raw_spin_lock+0xc1/0x200 [ 452.802021] 1016*4kB [ 452.806253] br_multicast_port_group_expired+0x189/0x1e0 [ 452.808548] (UME) [ 452.812789] call_timer_fn+0x272/0x920 [ 452.815175] 348*8kB [ 452.820628] ? br_multicast_del_pg+0x790/0x790 [ 452.822750] (UME) [ 452.826633] ? process_timeout+0x40/0x40 [ 452.828936] 167*16kB [ 452.833509] ? find_held_lock+0x36/0x1c0 [ 452.835635] (UME) [ 452.839709] ? __run_timers+0x7da/0xc70 [ 452.842092] 68*32kB [ 452.846156] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.848283] (UME) [ 452.852261] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.854580] 21*64kB [ 452.859088] ? br_multicast_del_pg+0x790/0x790 [ 452.861218] (M) [ 452.865727] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 452.868027] 6*128kB [ 452.872618] ? trace_hardirqs_on+0xbd/0x310 [ 452.874587] (UM) [ 452.879173] ? kasan_check_read+0x11/0x20 [ 452.881474] 1*256kB [ 452.885810] ? __run_timers+0x7da/0xc70 [ 452.887851] (U) [ 452.891994] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 452.894294] 0*512kB [ 452.898263] ? br_multicast_del_pg+0x790/0x790 [ 452.900213] 0*1024kB [ 452.905673] ? br_multicast_del_pg+0x790/0x790 [ 452.907976] 0*2048kB [ 452.912553] __run_timers+0x7e5/0xc70 [ 452.914939] 0*4096kB [ 452.919524] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 452.921903] = 14064kB [ 452.925714] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 452.928125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 452.933475] ? graph_lock+0x170/0x170 [ 452.935879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 452.940884] ? enqueue_hrtimer+0x1a5/0x560 [ 452.949706] 503 total pagecache pages [ 452.953501] ? lock_release+0x970/0x970 [ 452.962062] 0 pages in swap cache [ 452.966288] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 452.970066] Swap cache stats: add 0, delete 0, find 0/0 [ 452.974035] ? find_held_lock+0x36/0x1c0 [ 452.977462] Free swap = 0kB [ 452.982647] ? graph_lock+0x170/0x170 [ 452.988004] Total swap = 0kB [ 452.992059] ? pvclock_read_flags+0x160/0x160 [ 452.995053] 1965979 pages RAM [ 452.998853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.001862] 0 pages HighMem/MovableOnly [ 453.006370] ? check_preemption_disabled+0x48/0x200 [ 453.009454] 343324 pages reserved [ 453.014992] ? __lock_is_held+0xb5/0x140 [ 453.018935] 0 pages cma reserved [ 453.023951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.027467] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 453.031447] ? check_preemption_disabled+0x48/0x200 [ 453.034918] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 453.040347] run_timer_softirq+0x52/0xb0 [ 453.048120] syz-executor2 cpuset= [ 453.053136] ? rcu_read_lock_sched_held+0x108/0x120 [ 453.063627] syz2 [ 453.067707] __do_softirq+0x30b/0xad8 [ 453.071146] mems_allowed=0 [ 453.076172] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 453.089927] ? pvclock_read_flags+0x160/0x160 [ 453.094427] ? lapic_next_event+0x5a/0x90 [ 453.098575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.104124] ? check_preemption_disabled+0x48/0x200 [ 453.109142] ? check_preemption_disabled+0x48/0x200 [ 453.114170] ? kvm_clock_read+0x18/0x30 [ 453.118148] ? kvm_sched_clock_read+0x9/0x20 [ 453.122561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.128104] ? check_preemption_disabled+0x48/0x200 [ 453.133134] irq_exit+0x17f/0x1c0 [ 453.136604] smp_apic_timer_interrupt+0x1cb/0x760 [ 453.141470] ? smp_reschedule_interrupt+0x109/0x650 [ 453.146489] ? smp_call_function_single_interrupt+0x650/0x650 [ 453.152372] ? interrupt_entry+0xb5/0xf0 [ 453.156435] ? trace_hardirqs_off_caller+0xbb/0x300 [ 453.161451] ? trace_hardirqs_off_caller+0xbb/0x300 [ 453.166468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.171312] ? trace_hardirqs_off+0x300/0x300 [ 453.175813] ? trace_hardirqs_off+0x300/0x300 [ 453.180312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.185868] ? check_preemption_disabled+0x48/0x200 [ 453.190903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.196453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.201309] apic_timer_interrupt+0xf/0x20 [ 453.205540] [ 453.207799] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 453.212731] Code: 7e 0f 85 cf fe ff ff e8 46 b3 3e ff e9 c5 fe ff ff e8 5d 10 c3 ff 48 83 3d fd 5e b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a [ 453.231650] RSP: 0000:ffff88019f4c7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 453.239388] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 453.246672] RDX: 0000000000000000 RSI: ffff88019b19af40 RDI: 0000000000000282 [ 453.253948] RBP: ffff88019f4c77b0 R08: ffff88019b19a6c0 R09: 0000000000000000 [ 453.261221] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 453.268491] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020 [ 453.275810] skb_clone+0x1bb/0x500 [ 453.279357] ? skb_split+0x11e0/0x11e0 [ 453.283252] ? preempt_notifier_register+0x200/0x200 [ 453.288356] ? __switch_to_asm+0x34/0x70 [ 453.292422] ? __switch_to_asm+0x34/0x70 [ 453.296486] ? __switch_to_asm+0x40/0x70 [ 453.300548] ? __switch_to_asm+0x34/0x70 [ 453.304620] ? __switch_to_asm+0x40/0x70 [ 453.308688] ? __switch_to_asm+0x40/0x70 [ 453.312748] ? __switch_to_asm+0x34/0x70 [ 453.316809] ? __switch_to_asm+0x34/0x70 [ 453.320868] ? __switch_to_asm+0x40/0x70 [ 453.324930] ? __switch_to_asm+0x34/0x70 [ 453.329000] bpf_clone_redirect+0xb9/0x490 [ 453.333258] bpf_prog_01d53e16fc18f1d9+0xe8f/0x1000 [ 453.338284] ? __sched_text_start+0x8/0x8 [ 453.342434] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 453.347205] ? find_held_lock+0x36/0x1c0 [ 453.351294] ? lock_acquire+0x1ed/0x520 [ 453.355275] ? bpf_test_run+0x32e/0x5a0 [ 453.359252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.364790] ? check_preemption_disabled+0x48/0x200 [ 453.369814] ? kasan_check_read+0x11/0x20 [ 453.373965] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 453.379247] ? rcu_bh_qs+0xc0/0xc0 [ 453.382794] ? preempt_schedule+0x4d/0x60 [ 453.386943] ? ___preempt_schedule+0x16/0x18 [ 453.391363] ? bpf_test_run+0x1c0/0x5a0 [ 453.395340] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 453.400189] ? netlink_diag_dump+0x2a0/0x2a0 [ 453.404607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.410174] ? bpf_test_init.isra.9+0x70/0x100 [ 453.414766] ? bpf_prog_test_run_skb+0x634/0xb40 [ 453.419541] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 453.424384] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 453.429926] ? fput+0x130/0x1a0 [ 453.433211] ? __bpf_prog_get+0x9b/0x290 [ 453.437280] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 453.442144] ? bpf_prog_test_run+0x130/0x1a0 [ 453.446560] ? __x64_sys_bpf+0x3d8/0x510 [ 453.450638] ? bpf_prog_get+0x20/0x20 [ 453.454469] ? do_syscall_64+0x1b9/0x820 [ 453.458534] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 453.463904] ? syscall_return_slowpath+0x5e0/0x5e0 [ 453.468837] ? trace_hardirqs_off+0x300/0x300 [ 453.473337] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 453.478354] ? recalc_sigpending_tsk+0x180/0x180 [ 453.483110] ? kasan_check_write+0x14/0x20 [ 453.487358] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.492213] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 453.497616] CPU: 1 PID: 5365 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #98