9] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 367.030726] ? trace_hardirqs_on+0xbd/0x310 [ 367.035059] ? kasan_check_read+0x11/0x20 [ 367.039200] ? finish_task_switch+0x1f4/0x910 [ 367.043684] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.048783] ? compat_start_thread+0x80/0x80 [ 367.053477] ? pvclock_read_flags+0x160/0x160 [ 367.057959] ? __switch_to_asm+0x34/0x70 [ 367.062013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.067542] ? check_preemption_disabled+0x48/0x280 [ 367.072558] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 367.078088] ? rcu_pm_notify+0xc0/0xc0 [ 367.081965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.087494] ? check_preemption_disabled+0x48/0x280 [ 367.092505] run_timer_softirq+0x52/0xb0 [ 367.096561] ? rcu_read_lock_sched_held+0x14f/0x180 [ 367.101573] __do_softirq+0x308/0xb7e [ 367.105382] ? trace_hardirqs_on_caller+0xc0/0x310 [ 367.110321] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 367.115419] ? trace_hardirqs_on+0x310/0x310 [ 367.119825] ? schedule+0x108/0x460 [ 367.123451] ? trace_hardirqs_off+0xb8/0x310 [ 367.127853] ? smpboot_thread_fn+0x68b/0xa00 [ 367.132251] ? trace_hardirqs_on+0x310/0x310 [ 367.136655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.142192] ? check_preemption_disabled+0x48/0x280 [ 367.147203] ? takeover_tasklets+0xa90/0xa90 [ 367.151602] run_ksoftirqd+0x5e/0x100 [ 367.155735] smpboot_thread_fn+0x68b/0xa00 [ 367.159966] ? sort_range+0x30/0x30 [ 367.163584] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.168682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.174210] ? __kthread_parkme+0xfb/0x1a0 [ 367.178442] ? sort_range+0x30/0x30 [ 367.182059] kthread+0x35a/0x440 [ 367.185419] ? kthread_stop+0x900/0x900 [ 367.189397] ret_from_fork+0x3a/0x50 [ 367.193122] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 367.193202] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.200038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.200045] Call Trace: [ 367.206608] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.215853] [ 367.218418] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 367.228716] dump_stack+0x244/0x39d [ 367.239097] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.244309] warn_alloc.cold.116+0xb7/0x1bd [ 367.248625] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 367.254444] ? lock_downgrade+0x900/0x900 [ 367.258590] ? trace_hardirqs_off+0xb8/0x310 [ 367.262989] ? trace_hardirqs_off+0xb8/0x310 [ 367.267397] __alloc_pages_slowpath+0x26e8/0x2e10 [ 367.272259] ? warn_alloc+0x120/0x120 [ 367.276054] ? print_usage_bug+0xc0/0xc0 [ 367.280110] ? warn_alloc+0x120/0x120 [ 367.283908] ? warn_alloc+0x120/0x120 [ 367.287718] ? print_usage_bug+0xc0/0xc0 [ 367.291860] ? kvm_clock_read+0x18/0x30 [ 367.295828] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 367.300860] ? print_usage_bug+0xc0/0xc0 [ 367.304915] ? __lock_acquire+0x62f/0x4c20 [ 367.309152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.314677] ? should_fail+0x22d/0xd01 [ 367.318577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.323849] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.328958] ? __lock_acquire+0x62f/0x4c20 [ 367.333190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.338283] ? __lock_acquire+0x62f/0x4c20 [ 367.342595] ? should_fail+0x22d/0xd01 [ 367.346473] ? rcu_irq_exit+0x1a2/0x390 [ 367.350450] ? mark_held_locks+0x130/0x130 [ 367.355407] ? mark_held_locks+0x130/0x130 [ 367.359734] ? mark_held_locks+0xc7/0x130 [ 367.363878] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 367.368904] ? zap_class+0x640/0x640 [ 367.372613] ? print_usage_bug+0xc0/0xc0 [ 367.376673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.382205] ? check_preemption_disabled+0x48/0x280 [ 367.387220] ? __lock_is_held+0xb5/0x140 [ 367.391276] __alloc_pages_nodemask+0xa80/0xde0 [ 367.396021] ? zap_class+0x640/0x640 [ 367.399730] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 367.404752] ? find_held_lock+0x36/0x1c0 [ 367.408809] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.413468] ? lock_downgrade+0x900/0x900 [ 367.417611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.423144] cache_grow_begin+0xa5/0x8c0 [ 367.427194] ? do_raw_spin_unlock+0xa7/0x330 [ 367.431602] fallback_alloc+0x204/0x2e0 [ 367.435571] ____cache_alloc_node+0x1c7/0x1e0 [ 367.440060] kmem_cache_alloc_node+0xe3/0x730 [ 367.444549] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.448787] __alloc_skb+0x119/0x770 [ 367.452491] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.458520] ? netdev_alloc_frag+0x1f0/0x1f0 [ 367.462917] ? lock_downgrade+0x900/0x900 [ 367.467067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.472595] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.478129] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.483599] ? addrconf_rs_timer+0x690/0x690 [ 367.488013] ndisc_alloc_skb+0x144/0x340 [ 367.492070] ndisc_send_rs+0x331/0x6e0 [ 367.495953] addrconf_rs_timer+0x314/0x690 [ 367.500179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.504437] call_timer_fn+0x272/0x920 [ 367.508317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.512552] ? process_timeout+0x40/0x40 [ 367.516631] ? mark_held_locks+0xc7/0x130 [ 367.520773] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.525382] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.529871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.534102] ? lockdep_hardirqs_on+0x296/0x5b0 [ 367.538678] ? trace_hardirqs_on+0xbd/0x310 [ 367.542992] ? kasan_check_read+0x11/0x20 [ 367.547134] ? __run_timers+0x7da/0xc70 [ 367.551115] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.556952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.561188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.565410] __run_timers+0x7e5/0xc70 [ 367.569226] ? timer_fixup_init+0x70/0x70 [ 367.573374] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 367.578386] ? zap_class+0x640/0x640 [ 367.582094] ? print_usage_bug+0xc0/0xc0 [ 367.586148] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 367.591358] ? find_held_lock+0x36/0x1c0 [ 367.595415] ? zap_class+0x640/0x640 [ 367.599133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.604668] ? check_preemption_disabled+0x48/0x280 [ 367.609687] ? __lock_is_held+0xb5/0x140 [ 367.613747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.619277] ? check_preemption_disabled+0x48/0x280 [ 367.624288] run_timer_softirq+0x52/0xb0 [ 367.628352] ? rcu_read_lock_sched_held+0x14f/0x180 [ 367.633365] __do_softirq+0x308/0xb7e [ 367.637163] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 367.641649] ? lock_downgrade+0x900/0x900 [ 367.645792] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 367.650899] ? pvclock_read_flags+0x160/0x160 [ 367.656350] ? lapic_next_event+0x5a/0x90 [ 367.660497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.666029] ? kvm_clock_read+0x18/0x30 [ 367.669993] ? kvm_sched_clock_read+0x9/0x20 [ 367.674399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.679928] ? check_preemption_disabled+0x48/0x280 [ 367.684945] irq_exit+0x17f/0x1c0 [ 367.688396] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.693316] ? smp_reschedule_interrupt+0x109/0x650 [ 367.698338] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.704222] ? interrupt_entry+0xb5/0xc0 [ 367.708279] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.713290] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.718300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.723147] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.728157] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.733181] ? task_prio+0x50/0x50 [ 367.736717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.742253] ? check_preemption_disabled+0x48/0x280 [ 367.747265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.752122] apic_timer_interrupt+0xf/0x20 [ 367.756789] [ 367.759020] RIP: 0010:dump_stack+0x358/0x39d [ 367.763742] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 367.782640] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 367.790343] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 367.797603] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 367.804861] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 367.812122] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 367.819383] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 367.826666] ? dump_stack+0x34f/0x39d [ 367.830473] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.835658] ? mark_held_locks+0x130/0x130 [ 367.839883] ? mark_held_locks+0x130/0x130 [ 367.844119] dump_header+0x27b/0xf72 [ 367.847844] ? pagefault_out_of_memory+0x197/0x197 [ 367.853726] ? __lock_acquire+0x62f/0x4c20 [ 367.857970] ? percpu_ref_get_many+0x240/0x240 [ 367.862547] ? print_usage_bug+0xc0/0xc0 [ 367.866607] ? zap_class+0x640/0x640 [ 367.870323] ? print_usage_bug+0xc0/0xc0 [ 367.874380] ? print_usage_bug+0xc0/0xc0 [ 367.878434] ? zap_class+0x640/0x640 [ 367.882145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.887679] ? find_held_lock+0x36/0x1c0 [ 367.891746] ? mark_held_locks+0xc7/0x130 [ 367.895892] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.900991] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.906091] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 367.910670] ? trace_hardirqs_on+0xbd/0x310 [ 367.914988] ? kasan_check_read+0x11/0x20 [ 367.919125] ? ___ratelimit+0x3b4/0x672 [ 367.923095] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.928191] ? trace_hardirqs_on+0x310/0x310 [ 367.933084] ? lock_downgrade+0x900/0x900 [ 367.937231] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.942336] ? ___ratelimit+0x3b9/0x672 [ 367.946303] ? idr_get_free+0xf70/0xf70 [ 367.950280] ? find_held_lock+0x36/0x1c0 [ 367.955104] oom_kill_process.cold.27+0x10/0x903 [ 367.959862] ? zap_class+0x640/0x640 [ 367.963571] ? check_preemption_disabled+0x48/0x280 [ 367.968587] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.973509] ? kasan_check_read+0x11/0x20 [ 367.977649] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.982917] ? oom_evaluate_task+0x540/0x540 [ 367.987331] ? find_held_lock+0x36/0x1c0 [ 367.991390] ? out_of_memory+0x974/0x1430 [ 367.995534] ? lock_downgrade+0x900/0x900 [ 367.999678] ? check_preemption_disabled+0x48/0x280 [ 368.004686] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 368.009697] ? kasan_check_read+0x11/0x20 [ 368.013842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.019107] ? rcu_softirq_qs+0x20/0x20 [ 368.023101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.028629] ? oom_evaluate_task+0x302/0x540 [ 368.033037] out_of_memory+0xa84/0x1430 [ 368.037014] ? oom_killer_disable+0x3a0/0x3a0 [ 368.041503] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 368.046426] ? __ww_mutex_check_waiters+0x160/0x160 [ 368.051444] __alloc_pages_slowpath+0x2354/0x2e10 [ 368.056727] ? warn_alloc+0x120/0x120 [ 368.060519] ? mark_held_locks+0x130/0x130 [ 368.064751] ? find_get_entry+0xaae/0x1120 [ 368.068988] ? filemap_map_pages+0x1a20/0x1a20 [ 368.073566] ? zap_class+0x640/0x640 [ 368.077277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.082816] ? check_preemption_disabled+0x48/0x280 [ 368.087838] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.093388] ? should_fail+0x22d/0xd01 [ 368.097272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.102381] ? zap_class+0x640/0x640 [ 368.106110] ? __lock_is_held+0xb5/0x140 [ 368.110172] ? mark_held_locks+0x130/0x130 [ 368.114406] ? lock_release+0xa00/0xa00 [ 368.118375] ? perf_trace_sched_process_exec+0x860/0x860 [ 368.123823] ? xa_load+0x2ba/0x460 [ 368.127358] ? lock_downgrade+0x900/0x900 [ 368.131503] ? __might_sleep+0x95/0x190 [ 368.135476] __alloc_pages_nodemask+0xa80/0xde0 [ 368.140141] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 368.145182] ? __page_cache_alloc+0x191/0x5c0 [ 368.149666] ? xa_load+0x2e1/0x460 [ 368.153962] ? xa_clear_mark+0x40/0x40 [ 368.157843] ? zap_class+0x640/0x640 [ 368.161557] ? zap_class+0x640/0x640 [ 368.165262] ? zap_class+0x640/0x640 [ 368.168969] ? __do_page_cache_readahead+0x663/0x810 [ 368.174071] ? find_held_lock+0x36/0x1c0 [ 368.178133] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 368.183672] alloc_pages_current+0x173/0x350 [ 368.188077] __page_cache_alloc+0x38c/0x5c0 [ 368.192393] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 368.197322] ? kasan_check_read+0x11/0x20 [ 368.201463] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.206821] ? generic_perform_write+0x6a0/0x6a0 [ 368.211573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.217101] ? check_preemption_disabled+0x48/0x280 [ 368.222115] filemap_fault+0x1595/0x25f0 [ 368.226182] ? __lock_page_or_retry+0xa00/0xa00 [ 368.230848] ? mark_held_locks+0x130/0x130 [ 368.235084] ? filemap_map_pages+0xd6b/0x1a20 [ 368.239572] ? lock_downgrade+0x900/0x900 [ 368.243709] ? check_preemption_disabled+0x48/0x280 [ 368.248721] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 368.254387] ? kasan_check_read+0x11/0x20 [ 368.258525] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.263795] ? rcu_softirq_qs+0x20/0x20 [ 368.267796] ? filemap_map_pages+0xd92/0x1a20 [ 368.272313] ? find_get_entries_tag+0x1400/0x1400 [ 368.277157] ? debug_object_destroy+0x2b0/0x2b0 [ 368.281827] ? lock_pi_update_atomic+0x150/0x150 [ 368.286577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.292117] ? lock_acquire+0x1ed/0x520 [ 368.296085] ? ext4_filemap_fault+0x7a/0xad [ 368.300407] ? lock_release+0xa00/0xa00 [ 368.304377] ? perf_trace_sched_process_exec+0x860/0x860 [ 368.309823] ? print_usage_bug+0xc0/0xc0 [ 368.313880] ? print_usage_bug+0xc0/0xc0 [ 368.317943] ? down_read+0x8d/0x120 [ 368.321565] ? ext4_filemap_fault+0x7a/0xad [ 368.325884] ? __down_interruptible+0x700/0x700 [ 368.330663] ext4_filemap_fault+0x82/0xad [ 368.334811] __do_fault+0x100/0x6b0 [ 368.338439] ? pmd_devmap_trans_unstable+0x220/0x220 [ 368.343539] ? mark_held_locks+0x130/0x130 [ 368.347768] ? mark_held_locks+0x130/0x130 [ 368.351999] ? do_raw_spin_trylock+0x270/0x270 [ 368.357508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.363043] __handle_mm_fault+0x3ea0/0x5be0 [ 368.367444] ? perf_trace_lock+0x7a0/0x7a0 [ 368.371695] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 368.376537] ? __switch_to_asm+0x34/0x70 [ 368.380589] ? __switch_to_asm+0x34/0x70 [ 368.384658] ? zap_class+0x640/0x640 [ 368.388368] ? zap_class+0x640/0x640 [ 368.392072] ? __x64_sys_futex+0x53e/0x6a0 [ 368.396314] ? find_held_lock+0x36/0x1c0 [ 368.400380] ? handle_mm_fault+0x42a/0xc70 [ 368.404612] ? lock_downgrade+0x900/0x900 [ 368.408756] ? check_preemption_disabled+0x48/0x280 [ 368.413770] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 368.418698] ? kasan_check_read+0x11/0x20 [ 368.422838] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.428105] ? rcu_softirq_qs+0x20/0x20 [ 368.432247] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.437345] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.442871] ? check_preemption_disabled+0x48/0x280 [ 368.447892] handle_mm_fault+0x54f/0xc70 [ 368.451950] ? __handle_mm_fault+0x5be0/0x5be0 [ 368.457331] ? find_vma+0x34/0x190 [ 368.460870] __do_page_fault+0x5e8/0xe60 [ 368.464921] ? trace_hardirqs_off+0xb8/0x310 [ 368.469331] do_page_fault+0xf2/0x7e0 [ 368.473129] ? vmalloc_sync_all+0x30/0x30 [ 368.477272] ? error_entry+0x70/0xd0 [ 368.480987] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.486102] ? trace_hardirqs_on_caller+0xc0/0x310 [ 368.491029] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.495949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.500787] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.505804] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.511264] ? prepare_exit_to_usermode+0x291/0x3b0 [ 368.516364] ? page_fault+0x8/0x30 [ 368.520004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.524841] ? page_fault+0x8/0x30 [ 368.528379] page_fault+0x1e/0x30 [ 368.531824] RIP: 0033:0x45ddf3 [ 368.535025] Code: Bad RIP value. [ 368.538382] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 368.543735] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 368.550997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 368.559050] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 368.566310] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 368.573570] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 368.580851] warn_alloc_show_mem: 1 callbacks suppressed [ 368.580860] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 368.580861] Mem-Info: [ 368.580892] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 368.580892] active_file:12 inactive_file:13 isolated_file:0 [ 368.580892] unevictable:0 dirty:0 writeback:0 unstable:0 [ 368.580892] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 368.580892] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 368.580892] free:13705 free_pcp:178 free_cma:0 [ 368.586225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.592971] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.595358] Call Trace: [ 368.628214] Node 0 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 [ 368.637591] dump_stack+0x244/0x39d [ 368.665976] lowmem_reserve[]: 0 2818 6321 6321 [ 368.668561] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.694632] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 368.698256] warn_alloc.cold.116+0xb7/0x1bd [ 368.702798] lowmem_reserve[]: 0 0 3503 3503 [ 368.707973] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.735438] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 368.739750] ? lock_downgrade+0x900/0x900 [ 368.744038] lowmem_reserve[]: 0 0 0 0 [ 368.748873] ? trace_hardirqs_off+0xb8/0x310 [ 368.778560] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 368.782700] ? trace_hardirqs_off+0xb8/0x310 [ 368.786463] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 368.790862] __alloc_pages_slowpath+0x26e8/0x2e10 [ 368.804350] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 368.808767] ? warn_alloc+0x120/0x120 [ 368.823982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 368.828805] ? print_usage_bug+0xc0/0xc0 [ 368.843091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 368.846868] ? warn_alloc+0x120/0x120 [ 368.856426] 366 total pagecache pages [ 368.860473] ? warn_alloc+0x120/0x120 [ 368.869022] 0 pages in swap cache [ 368.872801] ? print_usage_bug+0xc0/0xc0 [ 368.876572] Swap cache stats: add 0, delete 0, find 0/0 [ 368.880353] ? print_usage_bug+0xc0/0xc0 [ 368.883780] Free swap = 0kB [ 368.887825] ? __lock_acquire+0x62f/0x4c20 [ 368.893154] Total swap = 0kB [ 368.893162] 1965979 pages RAM [ 368.897211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.900199] 0 pages HighMem/MovableOnly [ 368.904419] ? should_fail+0x22d/0xd01 [ 368.907408] 342854 pages reserved [ 368.910512] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.916018] 0 pages cma reserved [ 368.919974] ? __lock_acquire+0x62f/0x4c20 [ 368.923910] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 368.927277] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.932418] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.935696] ? __lock_acquire+0x62f/0x4c20 [ 368.939898] syz-fuzzer cpuset=/ mems_allowed=0 [ 368.946379] ? should_fail+0x22d/0xd01 [ 368.974547] ? find_held_lock+0x36/0x1c0 [ 368.978607] ? mark_held_locks+0x130/0x130 [ 368.982856] ? mark_held_locks+0x130/0x130 [ 368.987078] ? zap_class+0x640/0x640 [ 368.990787] ? mark_held_locks+0xc7/0x130 [ 368.994928] ? do_raw_spin_unlock+0xa7/0x330 [ 368.999345] ? zap_class+0x640/0x640 [ 369.003053] ? print_usage_bug+0xc0/0xc0 [ 369.007109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.012646] ? check_preemption_disabled+0x48/0x280 [ 369.017665] ? __lock_is_held+0xb5/0x140 [ 369.021737] __alloc_pages_nodemask+0xa80/0xde0 [ 369.026402] ? zap_class+0x640/0x640 [ 369.030112] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 369.035130] ? find_held_lock+0x36/0x1c0 [ 369.039192] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.043860] ? lock_downgrade+0x900/0x900 [ 369.048011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.053878] cache_grow_begin+0xa5/0x8c0 [ 369.057940] ? do_raw_spin_unlock+0xa7/0x330 [ 369.062357] fallback_alloc+0x204/0x2e0 [ 369.066328] ____cache_alloc_node+0x1c7/0x1e0 [ 369.070819] kmem_cache_alloc_node+0xe3/0x730 [ 369.075308] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.079545] __alloc_skb+0x119/0x770 [ 369.083263] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.088537] ? netdev_alloc_frag+0x1f0/0x1f0 [ 369.092943] ? lock_downgrade+0x900/0x900 [ 369.097094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.102726] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.108171] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.113613] ? addrconf_rs_timer+0x690/0x690 [ 369.118025] ndisc_alloc_skb+0x144/0x340 [ 369.122085] ndisc_send_rs+0x331/0x6e0 [ 369.125971] addrconf_rs_timer+0x314/0x690 [ 369.130201] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.134436] call_timer_fn+0x272/0x920 [ 369.138318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.142560] ? process_timeout+0x40/0x40 [ 369.146619] ? __run_timers+0x7da/0xc70 [ 369.150589] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.155444] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.159929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.164155] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.168732] ? trace_hardirqs_on+0xbd/0x310 [ 369.173047] ? kasan_check_read+0x11/0x20 [ 369.177186] ? __run_timers+0x7da/0xc70 [ 369.181154] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.186265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.190502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.194727] __run_timers+0x7e5/0xc70 [ 369.198530] ? timer_fixup_init+0x70/0x70 [ 369.202667] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.207152] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.211644] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 369.216222] ? trace_hardirqs_on+0xbd/0x310 [ 369.220548] ? kasan_check_read+0x11/0x20 [ 369.224690] ? finish_task_switch+0x1f4/0x910 [ 369.229195] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.234295] ? compat_start_thread+0x80/0x80 [ 369.238714] ? pvclock_read_flags+0x160/0x160 [ 369.243203] ? __switch_to_asm+0x34/0x70 [ 369.247267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.253047] ? check_preemption_disabled+0x48/0x280 [ 369.258060] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 369.263591] ? rcu_pm_notify+0xc0/0xc0 [ 369.267495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.273024] ? check_preemption_disabled+0x48/0x280 [ 369.278034] run_timer_softirq+0x52/0xb0 [ 369.282084] ? rcu_read_lock_sched_held+0x14f/0x180 [ 369.287095] __do_softirq+0x308/0xb7e [ 369.290894] ? trace_hardirqs_on_caller+0xc0/0x310 [ 369.295822] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 369.300920] ? trace_hardirqs_on+0x310/0x310 [ 369.305325] ? schedule+0x108/0x460 [ 369.308956] ? trace_hardirqs_off+0xb8/0x310 [ 369.313359] ? smpboot_thread_fn+0x68b/0xa00 [ 369.317760] ? trace_hardirqs_on+0x310/0x310 [ 369.322162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.327696] ? check_preemption_disabled+0x48/0x280 [ 369.332712] ? takeover_tasklets+0xa90/0xa90 [ 369.337114] run_ksoftirqd+0x5e/0x100 [ 369.340907] smpboot_thread_fn+0x68b/0xa00 [ 369.345147] ? sort_range+0x30/0x30 [ 369.348764] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 369.354201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.359746] ? __kthread_parkme+0xfb/0x1a0 [ 369.363975] ? sort_range+0x30/0x30 [ 369.367592] kthread+0x35a/0x440 [ 369.370952] ? kthread_stop+0x900/0x900 [ 369.374923] ret_from_fork+0x3a/0x50 [ 369.378646] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 369.378710] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.385563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.385568] Call Trace: [ 369.385574] [ 369.385590] dump_stack+0x244/0x39d [ 369.385608] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.392285] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.401431] warn_alloc.cold.116+0xb7/0x1bd [ 369.403981] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 369.406119] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.438978] ? lock_downgrade+0x900/0x900 [ 369.443130] ? trace_hardirqs_off+0xb8/0x310 [ 369.447534] ? trace_hardirqs_off+0xb8/0x310 [ 369.451946] __alloc_pages_slowpath+0x26e8/0x2e10 [ 369.457608] ? warn_alloc+0x120/0x120 [ 369.461406] ? print_usage_bug+0xc0/0xc0 [ 369.465462] ? warn_alloc+0x120/0x120 [ 369.469273] ? warn_alloc+0x120/0x120 [ 369.473067] ? print_usage_bug+0xc0/0xc0 [ 369.477125] ? kvm_clock_read+0x18/0x30 [ 369.481095] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 369.486103] ? print_usage_bug+0xc0/0xc0 [ 369.490156] ? __lock_acquire+0x62f/0x4c20 [ 369.494389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.499929] ? should_fail+0x22d/0xd01 [ 369.503814] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.509085] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.514180] ? __lock_acquire+0x62f/0x4c20 [ 369.518417] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.523515] ? __lock_acquire+0x62f/0x4c20 [ 369.527750] ? should_fail+0x22d/0xd01 [ 369.531629] ? rcu_irq_exit+0x1a2/0x390 [ 369.535605] ? mark_held_locks+0x130/0x130 [ 369.539840] ? mark_held_locks+0x130/0x130 [ 369.544073] ? mark_held_locks+0xc7/0x130 [ 369.548221] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 369.554039] ? zap_class+0x640/0x640 [ 369.557752] ? print_usage_bug+0xc0/0xc0 [ 369.561829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.567361] ? check_preemption_disabled+0x48/0x280 [ 369.572388] ? __lock_is_held+0xb5/0x140 [ 369.576465] __alloc_pages_nodemask+0xa80/0xde0 [ 369.581129] ? zap_class+0x640/0x640 [ 369.584838] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 369.589857] ? find_held_lock+0x36/0x1c0 [ 369.593924] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.598587] ? lock_downgrade+0x900/0x900 [ 369.602739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.608275] cache_grow_begin+0xa5/0x8c0 [ 369.612329] ? do_raw_spin_unlock+0xa7/0x330 [ 369.616745] fallback_alloc+0x204/0x2e0 [ 369.620725] ____cache_alloc_node+0x1c7/0x1e0 [ 369.625225] kmem_cache_alloc_node+0xe3/0x730 [ 369.629724] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.633963] __alloc_skb+0x119/0x770 [ 369.637668] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.642941] ? netdev_alloc_frag+0x1f0/0x1f0 [ 369.647343] ? lock_downgrade+0x900/0x900 [ 369.651490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.657769] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.663225] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.668671] ? addrconf_rs_timer+0x690/0x690 [ 369.673082] ndisc_alloc_skb+0x144/0x340 [ 369.677143] ndisc_send_rs+0x331/0x6e0 [ 369.681026] addrconf_rs_timer+0x314/0x690 [ 369.685265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.689500] call_timer_fn+0x272/0x920 [ 369.693473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.697698] ? process_timeout+0x40/0x40 [ 369.701768] ? mark_held_locks+0xc7/0x130 [ 369.705915] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.710406] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.714895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.719124] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.723700] ? trace_hardirqs_on+0xbd/0x310 [ 369.728014] ? kasan_check_read+0x11/0x20 [ 369.732154] ? __run_timers+0x7da/0xc70 [ 369.736125] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.741228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.745464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.749694] __run_timers+0x7e5/0xc70 [ 369.754023] ? timer_fixup_init+0x70/0x70 [ 369.758167] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.763558] ? zap_class+0x640/0x640 [ 369.767275] ? print_usage_bug+0xc0/0xc0 [ 369.771333] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.776526] ? find_held_lock+0x36/0x1c0 [ 369.780584] ? zap_class+0x640/0x640 [ 369.784308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.789840] ? check_preemption_disabled+0x48/0x280 [ 369.794861] ? __lock_is_held+0xb5/0x140 [ 369.798914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.804445] ? check_preemption_disabled+0x48/0x280 [ 369.809460] run_timer_softirq+0x52/0xb0 [ 369.813515] ? rcu_read_lock_sched_held+0x14f/0x180 [ 369.818525] __do_softirq+0x308/0xb7e [ 369.822330] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 369.826815] ? lock_downgrade+0x900/0x900 [ 369.830968] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 369.836072] ? pvclock_read_flags+0x160/0x160 [ 369.840561] ? lapic_next_event+0x5a/0x90 [ 369.844719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.850258] ? kvm_clock_read+0x18/0x30 [ 369.854891] ? kvm_sched_clock_read+0x9/0x20 [ 369.859298] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.864832] ? check_preemption_disabled+0x48/0x280 [ 369.869847] irq_exit+0x17f/0x1c0 [ 369.873297] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.878131] ? smp_reschedule_interrupt+0x109/0x650 [ 369.883251] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.889126] ? interrupt_entry+0xb5/0xc0 [ 369.893183] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.898206] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.903218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.908072] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.913083] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.918087] ? task_prio+0x50/0x50 [ 369.921618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.927159] ? check_preemption_disabled+0x48/0x280 [ 369.932690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.937537] apic_timer_interrupt+0xf/0x20 [ 369.941766] [ 369.944001] RIP: 0010:dump_stack+0x358/0x39d [ 369.948400] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 369.968242] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 369.975942] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 369.983210] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 369.990469] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 369.997730] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 370.004994] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 370.012270] ? dump_stack+0x34f/0x39d [ 370.016076] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.021262] ? mark_held_locks+0x130/0x130 [ 370.025491] ? mark_held_locks+0x130/0x130 [ 370.029725] dump_header+0x27b/0xf72 [ 370.033442] ? pagefault_out_of_memory+0x197/0x197 [ 370.038372] ? __lock_acquire+0x62f/0x4c20 [ 370.042602] ? percpu_ref_get_many+0x240/0x240 [ 370.047185] ? print_usage_bug+0xc0/0xc0 [ 370.051247] ? zap_class+0x640/0x640 [ 370.055750] ? print_usage_bug+0xc0/0xc0 [ 370.059799] ? print_usage_bug+0xc0/0xc0 [ 370.063858] ? zap_class+0x640/0x640 [ 370.067580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.073114] ? find_held_lock+0x36/0x1c0 [ 370.077182] ? mark_held_locks+0xc7/0x130 [ 370.081325] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.086425] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.091522] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 370.096099] ? trace_hardirqs_on+0xbd/0x310 [ 370.100500] ? kasan_check_read+0x11/0x20 [ 370.104639] ? ___ratelimit+0x3b4/0x672 [ 370.108608] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.113726] ? trace_hardirqs_on+0x310/0x310 [ 370.118132] ? lock_downgrade+0x900/0x900 [ 370.122276] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.127375] ? ___ratelimit+0x3b9/0x672 [ 370.131345] ? idr_get_free+0xf70/0xf70 [ 370.135312] ? find_held_lock+0x36/0x1c0 [ 370.139374] oom_kill_process.cold.27+0x10/0x903 [ 370.144123] ? zap_class+0x640/0x640 [ 370.147836] ? check_preemption_disabled+0x48/0x280 [ 370.153664] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.158589] ? kasan_check_read+0x11/0x20 [ 370.162759] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.168026] ? oom_evaluate_task+0x540/0x540 [ 370.172427] ? find_held_lock+0x36/0x1c0 [ 370.176490] ? out_of_memory+0x974/0x1430 [ 370.180631] ? lock_downgrade+0x900/0x900 [ 370.184774] ? check_preemption_disabled+0x48/0x280 [ 370.189785] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.194729] ? kasan_check_read+0x11/0x20 [ 370.198871] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.204141] ? rcu_softirq_qs+0x20/0x20 [ 370.208117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.213646] ? oom_evaluate_task+0x302/0x540 [ 370.218054] out_of_memory+0xa84/0x1430 [ 370.222027] ? oom_killer_disable+0x3a0/0x3a0 [ 370.226514] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 370.231438] ? __ww_mutex_check_waiters+0x160/0x160 [ 370.236458] __alloc_pages_slowpath+0x2354/0x2e10 [ 370.241319] ? warn_alloc+0x120/0x120 [ 370.245112] ? mark_held_locks+0x130/0x130 [ 370.249345] ? find_get_entry+0xaae/0x1120 [ 370.254522] ? filemap_map_pages+0x1a20/0x1a20 [ 370.259112] ? zap_class+0x640/0x640 [ 370.262824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.268360] ? check_preemption_disabled+0x48/0x280 [ 370.273375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.278911] ? should_fail+0x22d/0xd01 [ 370.282795] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.287892] ? zap_class+0x640/0x640 [ 370.291623] ? __lock_is_held+0xb5/0x140 [ 370.295695] ? mark_held_locks+0x130/0x130 [ 370.299924] ? lock_release+0xa00/0xa00 [ 370.303897] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.309341] ? xa_load+0x2ba/0x460 [ 370.312876] ? lock_downgrade+0x900/0x900 [ 370.317022] ? __might_sleep+0x95/0x190 [ 370.320993] __alloc_pages_nodemask+0xa80/0xde0 [ 370.325660] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.330679] ? __page_cache_alloc+0x191/0x5c0 [ 370.335173] ? xa_load+0x2e1/0x460 [ 370.338708] ? xa_clear_mark+0x40/0x40 [ 370.342591] ? zap_class+0x640/0x640 [ 370.346307] ? zap_class+0x640/0x640 [ 370.350012] ? zap_class+0x640/0x640 [ 370.354528] ? __do_page_cache_readahead+0x663/0x810 [ 370.359630] ? find_held_lock+0x36/0x1c0 [ 370.363695] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 370.369321] alloc_pages_current+0x173/0x350 [ 370.373724] __page_cache_alloc+0x38c/0x5c0 [ 370.378038] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.382960] ? kasan_check_read+0x11/0x20 [ 370.387103] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.392377] ? generic_perform_write+0x6a0/0x6a0 [ 370.397127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.402686] ? check_preemption_disabled+0x48/0x280 [ 370.407706] filemap_fault+0x1595/0x25f0 [ 370.411775] ? __lock_page_or_retry+0xa00/0xa00 [ 370.416439] ? mark_held_locks+0x130/0x130 [ 370.420680] ? filemap_map_pages+0xd6b/0x1a20 [ 370.425172] ? lock_downgrade+0x900/0x900 [ 370.429312] ? check_preemption_disabled+0x48/0x280 [ 370.434321] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.439258] ? kasan_check_read+0x11/0x20 [ 370.443396] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.448672] ? rcu_softirq_qs+0x20/0x20 [ 370.453094] ? filemap_map_pages+0xd92/0x1a20 [ 370.457591] ? find_get_entries_tag+0x1400/0x1400 [ 370.462427] ? debug_object_destroy+0x2b0/0x2b0 [ 370.467091] ? lock_pi_update_atomic+0x150/0x150 [ 370.471838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.477384] ? lock_acquire+0x1ed/0x520 [ 370.481347] ? ext4_filemap_fault+0x7a/0xad [ 370.485668] ? lock_release+0xa00/0xa00 [ 370.489642] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.495086] ? print_usage_bug+0xc0/0xc0 [ 370.499142] ? print_usage_bug+0xc0/0xc0 [ 370.503215] ? down_read+0x8d/0x120 [ 370.506848] ? ext4_filemap_fault+0x7a/0xad [ 370.511171] ? __down_interruptible+0x700/0x700 [ 370.515845] ext4_filemap_fault+0x82/0xad [ 370.519987] __do_fault+0x100/0x6b0 [ 370.523630] ? pmd_devmap_trans_unstable+0x220/0x220 [ 370.528728] ? mark_held_locks+0x130/0x130 [ 370.532957] ? mark_held_locks+0x130/0x130 [ 370.537185] ? do_raw_spin_trylock+0x270/0x270 [ 370.541768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.547305] __handle_mm_fault+0x3ea0/0x5be0 [ 370.551706] ? perf_trace_lock+0x7a0/0x7a0 [ 370.556691] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 370.561533] ? __switch_to_asm+0x34/0x70 [ 370.565587] ? __switch_to_asm+0x34/0x70 [ 370.569654] ? zap_class+0x640/0x640 [ 370.573366] ? zap_class+0x640/0x640 [ 370.577073] ? __x64_sys_futex+0x53e/0x6a0 [ 370.581302] ? find_held_lock+0x36/0x1c0 [ 370.585367] ? handle_mm_fault+0x42a/0xc70 [ 370.589596] ? lock_downgrade+0x900/0x900 [ 370.593734] ? check_preemption_disabled+0x48/0x280 [ 370.598742] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.603673] ? kasan_check_read+0x11/0x20 [ 370.607829] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.613097] ? rcu_softirq_qs+0x20/0x20 [ 370.617064] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.622167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.627698] ? check_preemption_disabled+0x48/0x280 [ 370.632716] handle_mm_fault+0x54f/0xc70 [ 370.636774] ? __handle_mm_fault+0x5be0/0x5be0 [ 370.641355] ? find_vma+0x34/0x190 [ 370.644896] __do_page_fault+0x5e8/0xe60 [ 370.648951] ? trace_hardirqs_off+0xb8/0x310 [ 370.654242] do_page_fault+0xf2/0x7e0 [ 370.658057] ? vmalloc_sync_all+0x30/0x30 [ 370.662215] ? error_entry+0x70/0xd0 [ 370.665926] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.670933] ? trace_hardirqs_on_caller+0xc0/0x310 [ 370.675858] ? syscall_return_slowpath+0x5e0/0x5e0 [ 370.680779] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.685617] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.690627] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.696093] ? prepare_exit_to_usermode+0x291/0x3b0 [ 370.701103] ? page_fault+0x8/0x30 [ 370.704649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.709497] ? page_fault+0x8/0x30 [ 370.713030] page_fault+0x1e/0x30 [ 370.716484] RIP: 0033:0x45ddf3 [ 370.719693] Code: Bad RIP value. [ 370.723050] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 370.728404] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 370.735673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 370.742943] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 370.750205] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 370.758207] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 370.765484] warn_alloc_show_mem: 1 callbacks suppressed [ 370.765493] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 370.765494] Mem-Info: [ 370.765523] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 370.765523] active_file:12 inactive_file:13 isolated_file:0 [ 370.765523] unevictable:0 dirty:0 writeback:0 unstable:0 [ 370.765523] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 370.765523] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 370.765523] free:13705 free_pcp:178 free_cma:0 [ 370.770855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.777611] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 370.779996] Call Trace: [ 370.812850] Node 0 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 [ 370.822197] dump_stack+0x244/0x39d [ 370.849830] lowmem_reserve[]: 0 2818 6321 6321 [ 370.852676] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.852693] warn_alloc.cold.116+0xb7/0x1bd [ 370.852702] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.852713] ? lock_downgrade+0x900/0x900 [ 370.852725] ? trace_hardirqs_off+0xb8/0x310 [ 370.852737] ? trace_hardirqs_off+0xb8/0x310 [ 370.852749] __alloc_pages_slowpath+0x26e8/0x2e10 [ 370.852772] ? warn_alloc+0x120/0x120 [ 370.852783] ? warn_alloc+0x120/0x120 [ 370.852793] ? warn_alloc+0x120/0x120 [ 370.852802] ? print_usage_bug+0xc0/0xc0 [ 370.852809] ? print_usage_bug+0xc0/0xc0 [ 370.852819] ? print_usage_bug+0xc0/0xc0 [ 370.852827] ? kasan_check_read+0x11/0x20 [ 370.852836] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.852843] ? rcu_softirq_qs+0x20/0x20 [ 370.852855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.852865] ? should_fail+0x22d/0xd01 [ 370.852875] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.852884] ? __lock_acquire+0x62f/0x4c20 [ 370.852894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.852901] ? __lock_acquire+0x62f/0x4c20 [ 370.852908] ? should_fail+0x22d/0xd01 [ 370.852921] ? mark_held_locks+0x130/0x130 [ 370.852932] ? mark_held_locks+0x130/0x130 [ 370.852940] ? __enqueue_entity+0x10d/0x1f0 [ 370.852950] ? zap_class+0x640/0x640 [ 370.852958] ? print_usage_bug+0xc0/0xc0 [ 370.852965] ? enqueue_entity+0x34b/0x20a0 [ 370.852974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.852984] ? check_preemption_disabled+0x48/0x280 [ 370.852997] ? __lock_is_held+0xb5/0x140 [ 370.853007] __alloc_pages_nodemask+0xa80/0xde0 [ 370.853015] ? zap_class+0x640/0x640 [ 370.853026] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.853040] ? find_held_lock+0x36/0x1c0 [ 370.853064] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.853072] ? lock_downgrade+0x900/0x900 [ 370.853083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.853093] cache_grow_begin+0xa5/0x8c0 [ 370.853100] ? do_raw_spin_unlock+0xa7/0x330 [ 370.853111] fallback_alloc+0x204/0x2e0 [ 370.853122] ____cache_alloc_node+0x1c7/0x1e0 [ 370.853153] kmem_cache_alloc_node+0xe3/0x730 [ 370.879226] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 370.882841] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.887391] lowmem_reserve[]: 0 0 3503 3503 [ 370.892575] __alloc_skb+0x119/0x770 [ 370.896861] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 370.901692] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.905814] lowmem_reserve[]: 0 0 0 0 [ 370.910211] ? netdev_alloc_frag+0x1f0/0x1f0 [ 370.914585] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 370.919412] ? lock_downgrade+0x900/0x900 [ 370.923178] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 370.926972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.930739] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 370.934789] ? refcount_sub_and_test_checked+0x203/0x310 [ 370.938821] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 370.942863] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 370.946986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 370.952256] ? addrconf_rs_timer+0x690/0x690 [ 370.956974] 366 total pagecache pages [ 370.962505] ndisc_alloc_skb+0x144/0x340 [ 370.966364] 0 pages in swap cache [ 370.971444] ndisc_send_rs+0x331/0x6e0 [ 370.975660] Swap cache stats: add 0, delete 0, find 0/0 [ 370.980750] addrconf_rs_timer+0x314/0x690 [ 370.984971] Free swap = 0kB [ 370.988858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.993060] Total swap = 0kB [ 370.997288] call_timer_fn+0x272/0x920 [ 371.001583] 1965979 pages RAM [ 371.005278] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.009308] 0 pages HighMem/MovableOnly [ 371.013526] ? process_timeout+0x40/0x40 [ 371.019028] 342854 pages reserved [ 371.024025] ? __run_timers+0x7da/0xc70 [ 371.028052] 0 pages cma reserved [ 371.032704] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.036439] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.041381] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.041393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.041410] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.045492] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.050096] ? trace_hardirqs_on+0xbd/0x310 [ 371.055158] syz-fuzzer cpuset=/ mems_allowed=0 [ 371.060683] ? kasan_check_read+0x11/0x20 [ 371.362418] ? __run_timers+0x7da/0xc70 [ 371.366389] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.371495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.375720] __run_timers+0x7e5/0xc70 [ 371.379539] ? timer_fixup_init+0x70/0x70 [ 371.383681] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.388167] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.392677] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 371.397255] ? trace_hardirqs_on+0xbd/0x310 [ 371.401572] ? kasan_check_read+0x11/0x20 [ 371.405713] ? finish_task_switch+0x1f4/0x910 [ 371.410201] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.415300] ? compat_start_thread+0x80/0x80 [ 371.419733] ? pvclock_read_flags+0x160/0x160 [ 371.424217] ? __switch_to_asm+0x34/0x70 [ 371.428277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.433806] ? check_preemption_disabled+0x48/0x280 [ 371.438824] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 371.444354] ? rcu_pm_notify+0xc0/0xc0 [ 371.448237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.454048] ? check_preemption_disabled+0x48/0x280 [ 371.459060] run_timer_softirq+0x52/0xb0 [ 371.463126] ? rcu_read_lock_sched_held+0x14f/0x180 [ 371.468139] __do_softirq+0x308/0xb7e [ 371.471935] ? trace_hardirqs_on_caller+0xc0/0x310 [ 371.476871] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 371.481966] ? trace_hardirqs_on+0x310/0x310 [ 371.486371] ? schedule+0x108/0x460 [ 371.489998] ? trace_hardirqs_off+0xb8/0x310 [ 371.494400] ? smpboot_thread_fn+0x68b/0xa00 [ 371.498797] ? trace_hardirqs_on+0x310/0x310 [ 371.503197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.508725] ? check_preemption_disabled+0x48/0x280 [ 371.513736] ? takeover_tasklets+0xa90/0xa90 [ 371.518135] run_ksoftirqd+0x5e/0x100 [ 371.521926] smpboot_thread_fn+0x68b/0xa00 [ 371.526156] ? sort_range+0x30/0x30 [ 371.529776] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 371.534872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.540402] ? __kthread_parkme+0xfb/0x1a0 [ 371.544662] ? sort_range+0x30/0x30 [ 371.548279] kthread+0x35a/0x440 [ 371.551644] ? kthread_stop+0x900/0x900 [ 371.555951] ret_from_fork+0x3a/0x50 [ 371.559674] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 371.559738] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.566591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.566600] Call Trace: [ 371.566606] [ 371.566621] dump_stack+0x244/0x39d [ 371.566638] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.573180] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.582459] warn_alloc.cold.116+0xb7/0x1bd [ 371.585004] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 371.587139] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.619977] ? lock_downgrade+0x900/0x900 [ 371.624124] ? trace_hardirqs_off+0xb8/0x310 [ 371.628531] ? trace_hardirqs_off+0xb8/0x310 [ 371.632943] __alloc_pages_slowpath+0x26e8/0x2e10 [ 371.637809] ? warn_alloc+0x120/0x120 [ 371.641610] ? print_usage_bug+0xc0/0xc0 [ 371.645667] ? warn_alloc+0x120/0x120 [ 371.649468] ? warn_alloc+0x120/0x120 [ 371.654270] ? print_usage_bug+0xc0/0xc0 [ 371.658326] ? print_usage_bug+0xc0/0xc0 [ 371.662380] ? __lock_acquire+0x62f/0x4c20 [ 371.666627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.672158] ? should_fail+0x22d/0xd01 [ 371.676044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.681155] ? __lock_acquire+0x62f/0x4c20 [ 371.685389] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.690484] ? __lock_acquire+0x62f/0x4c20 [ 371.694707] ? should_fail+0x22d/0xd01 [ 371.698621] ? find_held_lock+0x36/0x1c0 [ 371.702773] ? mark_held_locks+0x130/0x130 [ 371.707012] ? mark_held_locks+0x130/0x130 [ 371.711235] ? zap_class+0x640/0x640 [ 371.714938] ? zap_class+0x640/0x640 [ 371.718661] ? print_usage_bug+0xc0/0xc0 [ 371.722723] ? do_raw_spin_unlock+0xa7/0x330 [ 371.727123] ? zap_class+0x640/0x640 [ 371.730830] ? print_usage_bug+0xc0/0xc0 [ 371.734881] ? wq_watchdog_touch+0x9c/0xfe [ 371.739114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.744644] ? check_preemption_disabled+0x48/0x280 [ 371.749660] ? __lock_is_held+0xb5/0x140 [ 371.754513] __alloc_pages_nodemask+0xa80/0xde0 [ 371.759175] ? zap_class+0x640/0x640 [ 371.763263] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 371.768282] ? find_held_lock+0x36/0x1c0 [ 371.772350] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.777014] ? lock_downgrade+0x900/0x900 [ 371.781164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.786700] cache_grow_begin+0xa5/0x8c0 [ 371.790753] ? do_raw_spin_unlock+0xa7/0x330 [ 371.795159] fallback_alloc+0x204/0x2e0 [ 371.799132] ____cache_alloc_node+0x1c7/0x1e0 [ 371.803621] kmem_cache_alloc_node+0xe3/0x730 [ 371.808111] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.812346] __alloc_skb+0x119/0x770 [ 371.816053] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.821335] ? netdev_alloc_frag+0x1f0/0x1f0 [ 371.825734] ? lock_downgrade+0x900/0x900 [ 371.829898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.835429] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.840876] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.846318] ? addrconf_rs_timer+0x690/0x690 [ 371.850732] ndisc_alloc_skb+0x144/0x340 [ 371.855721] ndisc_send_rs+0x331/0x6e0 [ 371.859609] addrconf_rs_timer+0x314/0x690 [ 371.863841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.868082] call_timer_fn+0x272/0x920 [ 371.871961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.876193] ? process_timeout+0x40/0x40 [ 371.880260] ? mark_held_locks+0xc7/0x130 [ 371.884401] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.888890] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.893471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.897717] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.902295] ? trace_hardirqs_on+0xbd/0x310 [ 371.906608] ? kasan_check_read+0x11/0x20 [ 371.910749] ? __run_timers+0x7da/0xc70 [ 371.914720] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.919821] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.924052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.928292] __run_timers+0x7e5/0xc70 [ 371.932576] ? timer_fixup_init+0x70/0x70 [ 371.936718] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.941725] ? zap_class+0x640/0x640 [ 371.945435] ? print_usage_bug+0xc0/0xc0 [ 371.949490] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.955624] ? find_held_lock+0x36/0x1c0 [ 371.959682] ? zap_class+0x640/0x640 [ 371.963393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.968926] ? check_preemption_disabled+0x48/0x280 [ 371.973940] ? __lock_is_held+0xb5/0x140 [ 371.977992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.983520] ? check_preemption_disabled+0x48/0x280 [ 371.988537] run_timer_softirq+0x52/0xb0 [ 371.992594] ? rcu_read_lock_sched_held+0x14f/0x180 [ 371.997601] __do_softirq+0x308/0xb7e [ 372.001397] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 372.005881] ? lock_downgrade+0x900/0x900 [ 372.010026] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 372.015131] ? pvclock_read_flags+0x160/0x160 [ 372.019616] ? lapic_next_event+0x5a/0x90 [ 372.023755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.029290] ? kvm_clock_read+0x18/0x30 [ 372.033258] ? kvm_sched_clock_read+0x9/0x20 [ 372.037674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.043209] ? check_preemption_disabled+0x48/0x280 [ 372.048227] irq_exit+0x17f/0x1c0 [ 372.051679] smp_apic_timer_interrupt+0x1cb/0x760 [ 372.057257] ? smp_reschedule_interrupt+0x109/0x650 [ 372.062281] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.068160] ? interrupt_entry+0xb5/0xc0 [ 372.072224] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.077235] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.082245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.087087] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.092099] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.097110] ? task_prio+0x50/0x50 [ 372.100645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.106182] ? check_preemption_disabled+0x48/0x280 [ 372.111198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.116051] apic_timer_interrupt+0xf/0x20 [ 372.120275] [ 372.122513] RIP: 0010:dump_stack+0x358/0x39d [ 372.126919] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 372.145899] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 372.154564] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 372.161827] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 372.169091] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 372.176351] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 372.183612] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 372.190890] ? dump_stack+0x34f/0x39d [ 372.194697] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.199889] ? mark_held_locks+0x130/0x130 [ 372.204115] ? mark_held_locks+0x130/0x130 [ 372.208352] dump_header+0x27b/0xf72 [ 372.212077] ? pagefault_out_of_memory+0x197/0x197 [ 372.217010] ? __lock_acquire+0x62f/0x4c20 [ 372.221244] ? percpu_ref_get_many+0x240/0x240 [ 372.225823] ? print_usage_bug+0xc0/0xc0 [ 372.229882] ? zap_class+0x640/0x640 [ 372.233593] ? print_usage_bug+0xc0/0xc0 [ 372.237645] ? print_usage_bug+0xc0/0xc0 [ 372.241702] ? zap_class+0x640/0x640 [ 372.245415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.250951] ? find_held_lock+0x36/0x1c0 [ 372.255783] ? mark_held_locks+0xc7/0x130 [ 372.259929] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.265026] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.270133] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.274713] ? trace_hardirqs_on+0xbd/0x310 [ 372.279039] ? kasan_check_read+0x11/0x20 [ 372.283183] ? ___ratelimit+0x3b4/0x672 [ 372.287150] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.292247] ? trace_hardirqs_on+0x310/0x310 [ 372.296651] ? lock_downgrade+0x900/0x900 [ 372.300794] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.305888] ? ___ratelimit+0x3b9/0x672 [ 372.309856] ? idr_get_free+0xf70/0xf70 [ 372.313823] ? find_held_lock+0x36/0x1c0 [ 372.317884] oom_kill_process.cold.27+0x10/0x903 [ 372.322636] ? zap_class+0x640/0x640 [ 372.326348] ? check_preemption_disabled+0x48/0x280 [ 372.331364] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.336286] ? kasan_check_read+0x11/0x20 [ 372.340425] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.345697] ? oom_evaluate_task+0x540/0x540 [ 372.350103] ? find_held_lock+0x36/0x1c0 [ 372.355167] ? out_of_memory+0x974/0x1430 [ 372.359307] ? lock_downgrade+0x900/0x900 [ 372.363477] ? check_preemption_disabled+0x48/0x280 [ 372.368578] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.373502] ? kasan_check_read+0x11/0x20 [ 372.377641] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.382911] ? rcu_softirq_qs+0x20/0x20 [ 372.386883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.392411] ? oom_evaluate_task+0x302/0x540 [ 372.396818] out_of_memory+0xa84/0x1430 [ 372.400792] ? oom_killer_disable+0x3a0/0x3a0 [ 372.405285] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 372.410213] ? __ww_mutex_check_waiters+0x160/0x160 [ 372.415232] __alloc_pages_slowpath+0x2354/0x2e10 [ 372.420090] ? warn_alloc+0x120/0x120 [ 372.423886] ? mark_held_locks+0x130/0x130 [ 372.428116] ? find_get_entry+0xaae/0x1120 [ 372.432349] ? filemap_map_pages+0x1a20/0x1a20 [ 372.436925] ? zap_class+0x640/0x640 [ 372.440634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.446254] ? check_preemption_disabled+0x48/0x280 [ 372.451264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.457591] ? should_fail+0x22d/0xd01 [ 372.461477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.466578] ? zap_class+0x640/0x640 [ 372.470307] ? __lock_is_held+0xb5/0x140 [ 372.474365] ? mark_held_locks+0x130/0x130 [ 372.478599] ? lock_release+0xa00/0xa00 [ 372.482566] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.488007] ? xa_load+0x2ba/0x460 [ 372.491553] ? lock_downgrade+0x900/0x900 [ 372.495697] ? __might_sleep+0x95/0x190 [ 372.499681] __alloc_pages_nodemask+0xa80/0xde0 [ 372.504353] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 372.509363] ? __page_cache_alloc+0x191/0x5c0 [ 372.513853] ? xa_load+0x2e1/0x460 [ 372.517388] ? xa_clear_mark+0x40/0x40 [ 372.521265] ? zap_class+0x640/0x640 [ 372.524984] ? zap_class+0x640/0x640 [ 372.528708] ? zap_class+0x640/0x640 [ 372.532432] ? __do_page_cache_readahead+0x663/0x810 [ 372.537546] ? find_held_lock+0x36/0x1c0 [ 372.541606] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 372.547140] alloc_pages_current+0x173/0x350 [ 372.551556] __page_cache_alloc+0x38c/0x5c0 [ 372.556142] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.561063] ? kasan_check_read+0x11/0x20 [ 372.565205] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.570474] ? generic_perform_write+0x6a0/0x6a0 [ 372.575243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.580771] ? check_preemption_disabled+0x48/0x280 [ 372.585787] filemap_fault+0x1595/0x25f0 [ 372.589849] ? __lock_page_or_retry+0xa00/0xa00 [ 372.594512] ? mark_held_locks+0x130/0x130 [ 372.598752] ? filemap_map_pages+0xd6b/0x1a20 [ 372.603252] ? lock_downgrade+0x900/0x900 [ 372.607398] ? check_preemption_disabled+0x48/0x280 [ 372.612411] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.617333] ? kasan_check_read+0x11/0x20 [ 372.621475] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.626742] ? rcu_softirq_qs+0x20/0x20 [ 372.630720] ? filemap_map_pages+0xd92/0x1a20 [ 372.635219] ? find_get_entries_tag+0x1400/0x1400 [ 372.640061] ? debug_object_destroy+0x2b0/0x2b0 [ 372.644725] ? lock_pi_update_atomic+0x150/0x150 [ 372.649472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.655620] ? lock_acquire+0x1ed/0x520 [ 372.659588] ? ext4_filemap_fault+0x7a/0xad [ 372.663910] ? lock_release+0xa00/0xa00 [ 372.667876] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.673319] ? print_usage_bug+0xc0/0xc0 [ 372.677391] ? print_usage_bug+0xc0/0xc0 [ 372.681455] ? down_read+0x8d/0x120 [ 372.685071] ? ext4_filemap_fault+0x7a/0xad [ 372.689390] ? __down_interruptible+0x700/0x700 [ 372.694062] ext4_filemap_fault+0x82/0xad [ 372.698205] __do_fault+0x100/0x6b0 [ 372.701829] ? pmd_devmap_trans_unstable+0x220/0x220 [ 372.706929] ? mark_held_locks+0x130/0x130 [ 372.711184] ? mark_held_locks+0x130/0x130 [ 372.715413] ? do_raw_spin_trylock+0x270/0x270 [ 372.719995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.725554] __handle_mm_fault+0x3ea0/0x5be0 [ 372.729974] ? perf_trace_lock+0x7a0/0x7a0 [ 372.734221] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 372.739060] ? __switch_to_asm+0x34/0x70 [ 372.743111] ? __switch_to_asm+0x34/0x70 [ 372.747170] ? zap_class+0x640/0x640 [ 372.750883] ? zap_class+0x640/0x640 [ 372.755104] ? __x64_sys_futex+0x53e/0x6a0 [ 372.759335] ? find_held_lock+0x36/0x1c0 [ 372.763398] ? handle_mm_fault+0x42a/0xc70 [ 372.767625] ? lock_downgrade+0x900/0x900 [ 372.771763] ? check_preemption_disabled+0x48/0x280 [ 372.776770] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.781694] ? kasan_check_read+0x11/0x20 [ 372.785836] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.791106] ? rcu_softirq_qs+0x20/0x20 [ 372.795075] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.800172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.805706] ? check_preemption_disabled+0x48/0x280 [ 372.810815] handle_mm_fault+0x54f/0xc70 [ 372.814873] ? __handle_mm_fault+0x5be0/0x5be0 [ 372.819456] ? find_vma+0x34/0x190 [ 372.822994] __do_page_fault+0x5e8/0xe60 [ 372.827059] ? trace_hardirqs_off+0xb8/0x310 [ 372.831473] do_page_fault+0xf2/0x7e0 [ 372.835268] ? vmalloc_sync_all+0x30/0x30 [ 372.839409] ? error_entry+0x70/0xd0 [ 372.843115] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.848122] ? trace_hardirqs_on_caller+0xc0/0x310 [ 372.853823] ? syscall_return_slowpath+0x5e0/0x5e0 [ 372.858745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.863585] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.868597] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.874043] ? prepare_exit_to_usermode+0x291/0x3b0 [ 372.879050] ? page_fault+0x8/0x30 [ 372.882586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.887422] ? page_fault+0x8/0x30 [ 372.890954] page_fault+0x1e/0x30 [ 372.894400] RIP: 0033:0x45ddf3 [ 372.897623] Code: Bad RIP value. [ 372.900980] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 372.906344] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 372.913603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 372.920864] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 372.928128] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 372.935388] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 372.942667] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 372.942671] warn_alloc_show_mem: 1 callbacks suppressed [ 372.942676] Mem-Info: [ 372.949420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.955746] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 372.955746] active_file:12 inactive_file:13 isolated_file:0 [ 372.955746] unevictable:0 dirty:0 writeback:0 unstable:0 [ 372.955746] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 372.955746] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 372.955746] free:13705 free_pcp:178 free_cma:0 [ 372.958113] Call Trace: [ 372.967482] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 373.000418] dump_stack+0x244/0x39d [ 373.002968] Node 0 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 [ 373.030728] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.034319] lowmem_reserve[]: 0 2818 6321 6321 [ 373.060739] warn_alloc.cold.116+0xb7/0x1bd [ 373.065889] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 373.070476] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.074758] lowmem_reserve[]: 0 0 3503 3503 [ 373.102246] ? lock_downgrade+0x900/0x900 [ 373.107058] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 373.111385] ? trace_hardirqs_off+0xb8/0x310 [ 373.115499] lowmem_reserve[]: 0 0 0 0 [ 373.144465] ? trace_hardirqs_off+0xb8/0x310 [ 373.148850] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 373.152909] __alloc_pages_slowpath+0x26e8/0x2e10 [ 373.152933] ? warn_alloc+0x120/0x120 [ 373.152943] ? print_usage_bug+0xc0/0xc0 [ 373.152952] ? warn_alloc+0x120/0x120 [ 373.152963] ? warn_alloc+0x120/0x120 [ 373.152972] ? print_usage_bug+0xc0/0xc0 [ 373.152999] ? print_usage_bug+0xc0/0xc0 [ 373.153015] ? __lock_acquire+0x62f/0x4c20 [ 373.157397] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 373.170907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.175709] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 373.179502] ? should_fail+0x22d/0xd01 [ 373.179519] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.183554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 373.187333] ? __lock_acquire+0x62f/0x4c20 [ 373.191110] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 373.195154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.199186] 366 total pagecache pages [ 373.203405] ? __lock_acquire+0x62f/0x4c20 [ 373.218642] 0 pages in swap cache [ 373.224154] ? should_fail+0x22d/0xd01 [ 373.238340] Swap cache stats: add 0, delete 0, find 0/0 [ 373.238347] Free swap = 0kB [ 373.242220] ? find_held_lock+0x36/0x1c0 [ 373.247292] Total swap = 0kB [ 373.256460] ? mark_held_locks+0x130/0x130 [ 373.260660] 1965979 pages RAM [ 373.269217] ? mark_held_locks+0x130/0x130 [ 373.274287] 0 pages HighMem/MovableOnly [ 373.278071] ? zap_class+0x640/0x640 [ 373.282274] 342854 pages reserved [ 373.285715] ? mark_held_locks+0xc7/0x130 [ 373.289569] 0 pages cma reserved [ 373.294916] ? do_raw_spin_unlock+0xa7/0x330 [ 373.297957] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.301953] ? zap_class+0x640/0x640 [ 373.301974] ? print_usage_bug+0xc0/0xc0 [ 373.301998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.305247] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.309216] ? check_preemption_disabled+0x48/0x280 [ 373.312288] syz-fuzzer cpuset=/ mems_allowed=0 [ 373.316518] ? __lock_is_held+0xb5/0x140 [ 373.383251] __alloc_pages_nodemask+0xa80/0xde0 [ 373.387914] ? zap_class+0x640/0x640 [ 373.391629] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 373.396649] ? find_held_lock+0x36/0x1c0 [ 373.400711] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.405376] ? lock_downgrade+0x900/0x900 [ 373.409524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.415067] cache_grow_begin+0xa5/0x8c0 [ 373.419120] ? do_raw_spin_unlock+0xa7/0x330 [ 373.423527] fallback_alloc+0x204/0x2e0 [ 373.427496] ____cache_alloc_node+0x1c7/0x1e0 [ 373.432005] kmem_cache_alloc_node+0xe3/0x730 [ 373.436494] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.440729] __alloc_skb+0x119/0x770 [ 373.444434] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.449704] ? netdev_alloc_frag+0x1f0/0x1f0 [ 373.454448] ? lock_downgrade+0x900/0x900 [ 373.458595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.464123] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.469568] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.475005] ? addrconf_rs_timer+0x690/0x690 [ 373.479413] ndisc_alloc_skb+0x144/0x340 [ 373.483486] ndisc_send_rs+0x331/0x6e0 [ 373.487366] addrconf_rs_timer+0x314/0x690 [ 373.491593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.495832] call_timer_fn+0x272/0x920 [ 373.499710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.503972] ? process_timeout+0x40/0x40 [ 373.508035] ? __run_timers+0x7da/0xc70 [ 373.512093] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.516581] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.521063] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.525290] ? lockdep_hardirqs_on+0x296/0x5b0 [ 373.529868] ? trace_hardirqs_on+0xbd/0x310 [ 373.534291] ? kasan_check_read+0x11/0x20 [ 373.538428] ? __run_timers+0x7da/0xc70 [ 373.542394] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.547491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.551723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.556301] __run_timers+0x7e5/0xc70 [ 373.560188] ? timer_fixup_init+0x70/0x70 [ 373.564321] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.568807] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.573295] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 373.577870] ? trace_hardirqs_on+0xbd/0x310 [ 373.582180] ? kasan_check_read+0x11/0x20 [ 373.586318] ? finish_task_switch+0x1f4/0x910 [ 373.590817] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.595910] ? compat_start_thread+0x80/0x80 [ 373.600328] ? pvclock_read_flags+0x160/0x160 [ 373.604813] ? __switch_to_asm+0x34/0x70 [ 373.608866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.614394] ? check_preemption_disabled+0x48/0x280 [ 373.619411] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 373.624939] ? rcu_pm_notify+0xc0/0xc0 [ 373.628832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.634362] ? check_preemption_disabled+0x48/0x280 [ 373.639377] run_timer_softirq+0x52/0xb0 [ 373.643427] ? rcu_read_lock_sched_held+0x14f/0x180 [ 373.648435] __do_softirq+0x308/0xb7e [ 373.652502] ? trace_hardirqs_on_caller+0xc0/0x310 [ 373.657428] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 373.662530] ? trace_hardirqs_on+0x310/0x310 [ 373.666935] ? schedule+0x108/0x460 [ 373.670581] ? trace_hardirqs_off+0xb8/0x310 [ 373.674992] ? smpboot_thread_fn+0x68b/0xa00 [ 373.679394] ? trace_hardirqs_on+0x310/0x310 [ 373.683798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.689347] ? check_preemption_disabled+0x48/0x280 [ 373.694355] ? takeover_tasklets+0xa90/0xa90 [ 373.698760] run_ksoftirqd+0x5e/0x100 [ 373.702555] smpboot_thread_fn+0x68b/0xa00 [ 373.706787] ? sort_range+0x30/0x30 [ 373.710408] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 373.715501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.721028] ? __kthread_parkme+0xfb/0x1a0 [ 373.725258] ? sort_range+0x30/0x30 [ 373.728882] kthread+0x35a/0x440 [ 373.732242] ? kthread_stop+0x900/0x900 [ 373.736209] ret_from_fork+0x3a/0x50 [ 373.739931] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 373.740025] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.746855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.746859] Call Trace: [ 373.746865] [ 373.746880] dump_stack+0x244/0x39d [ 373.746897] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.753711] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.763002] warn_alloc.cold.116+0xb7/0x1bd [ 373.765552] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 373.767697] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.800543] ? lock_downgrade+0x900/0x900 [ 373.804689] ? trace_hardirqs_off+0xb8/0x310 [ 373.809095] ? trace_hardirqs_off+0xb8/0x310 [ 373.813506] __alloc_pages_slowpath+0x26e8/0x2e10 [ 373.818365] ? warn_alloc+0x120/0x120 [ 373.822160] ? find_held_lock+0x36/0x1c0 [ 373.826213] ? warn_alloc+0x120/0x120 [ 373.830009] ? warn_alloc+0x120/0x120 [ 373.833805] ? print_usage_bug+0xc0/0xc0 [ 373.837867] ? print_usage_bug+0xc0/0xc0 [ 373.841921] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.847219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.853680] ? should_fail+0x22d/0xd01 [ 373.857580] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.862673] ? __lock_acquire+0x62f/0x4c20 [ 373.866907] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.872006] ? __lock_acquire+0x62f/0x4c20 [ 373.876234] ? should_fail+0x22d/0xd01 [ 373.880127] ? mark_held_locks+0x130/0x130 [ 373.884710] ? mark_held_locks+0x130/0x130 [ 373.888942] ? try_to_wake_up+0x11c/0x1490 [ 373.893171] ? lock_downgrade+0x900/0x900 [ 373.897314] ? zap_class+0x640/0x640 [ 373.901022] ? print_usage_bug+0xc0/0xc0 [ 373.905074] ? trace_hardirqs_off+0xb8/0x310 [ 373.909476] ? kasan_check_read+0x11/0x20 [ 373.913623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.919153] ? check_preemption_disabled+0x48/0x280 [ 373.924169] ? __lock_is_held+0xb5/0x140 [ 373.928227] __alloc_pages_nodemask+0xa80/0xde0 [ 373.933380] ? zap_class+0x640/0x640 [ 373.937094] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 373.942130] ? find_held_lock+0x36/0x1c0 [ 373.946193] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.950856] ? lock_downgrade+0x900/0x900 [ 373.955938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.961471] cache_grow_begin+0xa5/0x8c0 [ 373.965523] ? do_raw_spin_unlock+0xa7/0x330 [ 373.969937] fallback_alloc+0x204/0x2e0 [ 373.973939] ____cache_alloc_node+0x1c7/0x1e0 [ 373.978430] kmem_cache_alloc_node+0xe3/0x730 [ 373.982927] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.987163] __alloc_skb+0x119/0x770 [ 373.990886] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.996167] ? netdev_alloc_frag+0x1f0/0x1f0 [ 374.000565] ? lock_downgrade+0x900/0x900 [ 374.004719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.010248] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.015696] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.021136] ? addrconf_rs_timer+0x690/0x690 [ 374.025545] ndisc_alloc_skb+0x144/0x340 [ 374.029607] ndisc_send_rs+0x331/0x6e0 [ 374.033488] addrconf_rs_timer+0x314/0x690 [ 374.037722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.041959] call_timer_fn+0x272/0x920 [ 374.045837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.050064] ? process_timeout+0x40/0x40 [ 374.054885] ? mark_held_locks+0xc7/0x130 [ 374.059037] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.063526] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.068012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.072240] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.076820] ? trace_hardirqs_on+0xbd/0x310 [ 374.081135] ? kasan_check_read+0x11/0x20 [ 374.085278] ? __run_timers+0x7da/0xc70 [ 374.089248] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.094357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.098582] __run_timers+0x7e5/0xc70 [ 374.102384] ? timer_fixup_init+0x70/0x70 [ 374.106526] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.111533] ? zap_class+0x640/0x640 [ 374.115244] ? print_usage_bug+0xc0/0xc0 [ 374.119300] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.124490] ? find_held_lock+0x36/0x1c0 [ 374.128553] ? zap_class+0x640/0x640 [ 374.132267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.137801] ? check_preemption_disabled+0x48/0x280 [ 374.142818] ? __lock_is_held+0xb5/0x140 [ 374.146878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.153234] ? check_preemption_disabled+0x48/0x280 [ 374.158249] run_timer_softirq+0x52/0xb0 [ 374.162310] ? rcu_read_lock_sched_held+0x14f/0x180 [ 374.167321] __do_softirq+0x308/0xb7e [ 374.171117] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 374.175608] ? lock_downgrade+0x900/0x900 [ 374.179752] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 374.184853] ? pvclock_read_flags+0x160/0x160 [ 374.189349] ? lapic_next_event+0x5a/0x90 [ 374.193497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.199034] ? kvm_clock_read+0x18/0x30 [ 374.203004] ? kvm_sched_clock_read+0x9/0x20 [ 374.207406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.212941] ? check_preemption_disabled+0x48/0x280 [ 374.217963] irq_exit+0x17f/0x1c0 [ 374.221415] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.226256] ? smp_reschedule_interrupt+0x109/0x650 [ 374.231269] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.237145] ? interrupt_entry+0xb5/0xc0 [ 374.241201] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.246213] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.251239] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.256870] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.261886] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.266900] ? task_prio+0x50/0x50 [ 374.270448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.275979] ? check_preemption_disabled+0x48/0x280 [ 374.280998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.285839] apic_timer_interrupt+0xf/0x20 [ 374.290061] [ 374.292293] RIP: 0010:dump_stack+0x358/0x39d [ 374.296693] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 374.315585] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 374.323284] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 374.330544] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 374.337805] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 374.345067] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 374.353285] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 374.360559] ? dump_stack+0x34f/0x39d [ 374.364368] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.369555] ? mark_held_locks+0x130/0x130 [ 374.373784] ? mark_held_locks+0x130/0x130 [ 374.378015] dump_header+0x27b/0xf72 [ 374.381729] ? pagefault_out_of_memory+0x197/0x197 [ 374.386656] ? __lock_acquire+0x62f/0x4c20 [ 374.390888] ? percpu_ref_get_many+0x240/0x240 [ 374.395476] ? print_usage_bug+0xc0/0xc0 [ 374.399544] ? zap_class+0x640/0x640 [ 374.403257] ? print_usage_bug+0xc0/0xc0 [ 374.407306] ? print_usage_bug+0xc0/0xc0 [ 374.411362] ? zap_class+0x640/0x640 [ 374.415072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.420608] ? find_held_lock+0x36/0x1c0 [ 374.424669] ? mark_held_locks+0xc7/0x130 [ 374.428810] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.433948] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.439045] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 374.443627] ? trace_hardirqs_on+0xbd/0x310 [ 374.447965] ? kasan_check_read+0x11/0x20 [ 374.452632] ? ___ratelimit+0x3b4/0x672 [ 374.456601] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.461694] ? trace_hardirqs_on+0x310/0x310 [ 374.466098] ? lock_downgrade+0x900/0x900 [ 374.470237] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.475333] ? ___ratelimit+0x3b9/0x672 [ 374.479316] ? idr_get_free+0xf70/0xf70 [ 374.483320] ? find_held_lock+0x36/0x1c0 [ 374.487384] oom_kill_process.cold.27+0x10/0x903 [ 374.492135] ? zap_class+0x640/0x640 [ 374.495843] ? check_preemption_disabled+0x48/0x280 [ 374.500851] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.505766] ? kasan_check_read+0x11/0x20 [ 374.509912] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.515186] ? oom_evaluate_task+0x540/0x540 [ 374.519604] ? find_held_lock+0x36/0x1c0 [ 374.523659] ? out_of_memory+0x974/0x1430 [ 374.527796] ? lock_downgrade+0x900/0x900 [ 374.531935] ? check_preemption_disabled+0x48/0x280 [ 374.536946] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.541868] ? kasan_check_read+0x11/0x20 [ 374.546015] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.551282] ? rcu_softirq_qs+0x20/0x20 [ 374.556057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.561587] ? oom_evaluate_task+0x302/0x540 [ 374.565990] out_of_memory+0xa84/0x1430 [ 374.569961] ? oom_killer_disable+0x3a0/0x3a0 [ 374.574448] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 374.579372] ? __ww_mutex_check_waiters+0x160/0x160 [ 374.584393] __alloc_pages_slowpath+0x2354/0x2e10 [ 374.589266] ? warn_alloc+0x120/0x120 [ 374.593057] ? mark_held_locks+0x130/0x130 [ 374.597294] ? find_get_entry+0xaae/0x1120 [ 374.601534] ? filemap_map_pages+0x1a20/0x1a20 [ 374.606112] ? zap_class+0x640/0x640 [ 374.609826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.615356] ? check_preemption_disabled+0x48/0x280 [ 374.620369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.625907] ? should_fail+0x22d/0xd01 [ 374.629796] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.634899] ? zap_class+0x640/0x640 [ 374.638628] ? __lock_is_held+0xb5/0x140 [ 374.642691] ? mark_held_locks+0x130/0x130 [ 374.646922] ? lock_release+0xa00/0xa00 [ 374.650996] ? perf_trace_sched_process_exec+0x860/0x860 [ 374.657206] ? xa_load+0x2ba/0x460 [ 374.660744] ? lock_downgrade+0x900/0x900 [ 374.664898] ? __might_sleep+0x95/0x190 [ 374.668872] __alloc_pages_nodemask+0xa80/0xde0 [ 374.673631] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 374.678639] ? __page_cache_alloc+0x191/0x5c0 [ 374.683125] ? xa_load+0x2e1/0x460 [ 374.686660] ? xa_clear_mark+0x40/0x40 [ 374.690542] ? zap_class+0x640/0x640 [ 374.694260] ? zap_class+0x640/0x640 [ 374.697965] ? zap_class+0x640/0x640 [ 374.701673] ? __do_page_cache_readahead+0x663/0x810 [ 374.706777] ? find_held_lock+0x36/0x1c0 [ 374.710835] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 374.716370] alloc_pages_current+0x173/0x350 [ 374.720782] __page_cache_alloc+0x38c/0x5c0 [ 374.725111] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.730033] ? kasan_check_read+0x11/0x20 [ 374.734175] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.739465] ? generic_perform_write+0x6a0/0x6a0 [ 374.744214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.749745] ? check_preemption_disabled+0x48/0x280 [ 374.755704] filemap_fault+0x1595/0x25f0 [ 374.759768] ? __lock_page_or_retry+0xa00/0xa00 [ 374.764434] ? mark_held_locks+0x130/0x130 [ 374.768685] ? filemap_map_pages+0xd6b/0x1a20 [ 374.773179] ? lock_downgrade+0x900/0x900 [ 374.777330] ? check_preemption_disabled+0x48/0x280 [ 374.782340] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.787262] ? kasan_check_read+0x11/0x20 [ 374.791407] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.796677] ? rcu_softirq_qs+0x20/0x20 [ 374.800658] ? filemap_map_pages+0xd92/0x1a20 [ 374.805157] ? find_get_entries_tag+0x1400/0x1400 [ 374.809993] ? debug_object_destroy+0x2b0/0x2b0 [ 374.814656] ? lock_pi_update_atomic+0x150/0x150 [ 374.819425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.824976] ? lock_acquire+0x1ed/0x520 [ 374.828946] ? ext4_filemap_fault+0x7a/0xad [ 374.833265] ? lock_release+0xa00/0xa00 [ 374.837233] ? perf_trace_sched_process_exec+0x860/0x860 [ 374.842677] ? print_usage_bug+0xc0/0xc0 [ 374.846744] ? print_usage_bug+0xc0/0xc0 [ 374.850809] ? down_read+0x8d/0x120 [ 374.854806] ? ext4_filemap_fault+0x7a/0xad [ 374.859123] ? __down_interruptible+0x700/0x700 [ 374.863790] ext4_filemap_fault+0x82/0xad [ 374.867936] __do_fault+0x100/0x6b0 [ 374.871573] ? pmd_devmap_trans_unstable+0x220/0x220 [ 374.876671] ? mark_held_locks+0x130/0x130 [ 374.880903] ? mark_held_locks+0x130/0x130 [ 374.885129] ? do_raw_spin_trylock+0x270/0x270 [ 374.889705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.895236] __handle_mm_fault+0x3ea0/0x5be0 [ 374.899638] ? perf_trace_lock+0x7a0/0x7a0 [ 374.903877] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 374.908713] ? __switch_to_asm+0x34/0x70 [ 374.912768] ? __switch_to_asm+0x34/0x70 [ 374.916833] ? zap_class+0x640/0x640 [ 374.920615] ? zap_class+0x640/0x640 [ 374.924322] ? __x64_sys_futex+0x53e/0x6a0 [ 374.928556] ? find_held_lock+0x36/0x1c0 [ 374.932616] ? handle_mm_fault+0x42a/0xc70 [ 374.936843] ? lock_downgrade+0x900/0x900 [ 374.940990] ? check_preemption_disabled+0x48/0x280 [ 374.946025] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.950948] ? kasan_check_read+0x11/0x20 [ 374.955864] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.961133] ? rcu_softirq_qs+0x20/0x20 [ 374.965097] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.970191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.975731] ? check_preemption_disabled+0x48/0x280 [ 374.980750] handle_mm_fault+0x54f/0xc70 [ 374.984809] ? __handle_mm_fault+0x5be0/0x5be0 [ 374.989393] ? find_vma+0x34/0x190 [ 374.992930] __do_page_fault+0x5e8/0xe60 [ 374.996984] ? trace_hardirqs_off+0xb8/0x310 [ 375.001396] do_page_fault+0xf2/0x7e0 [ 375.005189] ? vmalloc_sync_all+0x30/0x30 [ 375.009330] ? error_entry+0x70/0xd0 [ 375.013036] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.018048] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.022971] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.027890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.032725] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.037736] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.043187] ? prepare_exit_to_usermode+0x291/0x3b0 [ 375.048199] ? page_fault+0x8/0x30 [ 375.051736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.057585] ? page_fault+0x8/0x30 [ 375.061116] page_fault+0x1e/0x30 [ 375.064560] RIP: 0033:0x45ddf3 [ 375.067759] Code: Bad RIP value. [ 375.071113] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 375.076474] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 375.083736] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 375.090994] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 375.098257] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 375.105515] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 375.112825] warn_alloc_show_mem: 1 callbacks suppressed [ 375.112834] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 375.112836] Mem-Info: [ 375.112872] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 375.112872] active_file:12 inactive_file:13 isolated_file:0 [ 375.112872] unevictable:0 dirty:0 writeback:0 unstable:0 [ 375.112872] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 375.112872] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 375.112872] free:13705 free_pcp:178 free_cma:0 [ 375.118208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.124979] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 375.127369] Call Trace: [ 375.161216] Node 0 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 [ 375.170560] dump_stack+0x244/0x39d [ 375.198199] lowmem_reserve[]: 0 2818 6321 6321 [ 375.200775] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.226854] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 375.230481] warn_alloc.cold.116+0xb7/0x1bd [ 375.235022] lowmem_reserve[]: 0 0 3503 3503 [ 375.240224] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.268688] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 375.272998] ? lock_downgrade+0x900/0x900 [ 375.277300] lowmem_reserve[]: 0 0 0 0 [ 375.282135] ? trace_hardirqs_off+0xb8/0x310 [ 375.311072] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 375.315211] ? trace_hardirqs_off+0xb8/0x310 [ 375.318977] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 375.323375] __alloc_pages_slowpath+0x26e8/0x2e10 [ 375.336877] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 375.341293] ? warn_alloc+0x120/0x120 [ 375.356828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 375.361660] ? print_usage_bug+0xc0/0xc0 [ 375.375858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 375.379638] ? warn_alloc+0x120/0x120 [ 375.388445] 366 total pagecache pages [ 375.392493] ? warn_alloc+0x120/0x120 [ 375.401046] 0 pages in swap cache [ 375.404825] ? print_usage_bug+0xc0/0xc0 [ 375.408599] Swap cache stats: add 0, delete 0, find 0/0 [ 375.412380] ? print_usage_bug+0xc0/0xc0 [ 375.415802] Free swap = 0kB [ 375.419860] ? __lock_acquire+0x62f/0x4c20 [ 375.425188] Total swap = 0kB [ 375.425194] 1965979 pages RAM [ 375.429238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.432233] 0 pages HighMem/MovableOnly [ 375.436464] ? should_fail+0x22d/0xd01 [ 375.439452] 342854 pages reserved [ 375.442542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.448046] 0 pages cma reserved [ 375.452010] ? __lock_acquire+0x62f/0x4c20 [ 375.456246] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.459617] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.464758] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.468040] ? __lock_acquire+0x62f/0x4c20 [ 375.472240] syz-fuzzer cpuset=/ mems_allowed=0 [ 375.478717] ? should_fail+0x22d/0xd01 [ 375.506767] ? find_held_lock+0x36/0x1c0 [ 375.510831] ? mark_held_locks+0x130/0x130 [ 375.515066] ? mark_held_locks+0x130/0x130 [ 375.519292] ? zap_class+0x640/0x640 [ 375.523000] ? mark_held_locks+0xc7/0x130 [ 375.527138] ? do_raw_spin_unlock+0xa7/0x330 [ 375.531551] ? zap_class+0x640/0x640 [ 375.535267] ? print_usage_bug+0xc0/0xc0 [ 375.539325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.544863] ? check_preemption_disabled+0x48/0x280 [ 375.549878] ? __lock_is_held+0xb5/0x140 [ 375.554214] __alloc_pages_nodemask+0xa80/0xde0 [ 375.558873] ? zap_class+0x640/0x640 [ 375.562597] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 375.567610] ? find_held_lock+0x36/0x1c0 [ 375.571671] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.576332] ? lock_downgrade+0x900/0x900 [ 375.580486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.586018] cache_grow_begin+0xa5/0x8c0 [ 375.590072] ? do_raw_spin_unlock+0xa7/0x330 [ 375.594485] fallback_alloc+0x204/0x2e0 [ 375.598457] ____cache_alloc_node+0x1c7/0x1e0 [ 375.602952] kmem_cache_alloc_node+0xe3/0x730 [ 375.607451] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.611686] __alloc_skb+0x119/0x770 [ 375.615390] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.620661] ? netdev_alloc_frag+0x1f0/0x1f0 [ 375.625069] ? lock_downgrade+0x900/0x900 [ 375.629219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.634757] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.640209] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.645678] ? addrconf_rs_timer+0x690/0x690 [ 375.650092] ndisc_alloc_skb+0x144/0x340 [ 375.654469] ndisc_send_rs+0x331/0x6e0 [ 375.658362] addrconf_rs_timer+0x314/0x690 [ 375.662597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.666847] call_timer_fn+0x272/0x920 [ 375.670725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.674950] ? process_timeout+0x40/0x40 [ 375.679007] ? __run_timers+0x7da/0xc70 [ 375.682991] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.687478] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.691965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.696188] ? lockdep_hardirqs_on+0x296/0x5b0 [ 375.700767] ? trace_hardirqs_on+0xbd/0x310 [ 375.705078] ? kasan_check_read+0x11/0x20 [ 375.709216] ? __run_timers+0x7da/0xc70 [ 375.713183] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.718281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.722512] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.726738] __run_timers+0x7e5/0xc70 [ 375.730540] ? timer_fixup_init+0x70/0x70 [ 375.734677] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.739161] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.743643] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 375.748217] ? trace_hardirqs_on+0xbd/0x310 [ 375.752797] ? kasan_check_read+0x11/0x20 [ 375.756942] ? finish_task_switch+0x1f4/0x910 [ 375.761427] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.766963] ? compat_start_thread+0x80/0x80 [ 375.771384] ? pvclock_read_flags+0x160/0x160 [ 375.775871] ? __switch_to_asm+0x34/0x70 [ 375.779931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.785458] ? check_preemption_disabled+0x48/0x280 [ 375.790470] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 375.796010] ? rcu_pm_notify+0xc0/0xc0 [ 375.799891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.805421] ? check_preemption_disabled+0x48/0x280 [ 375.810434] run_timer_softirq+0x52/0xb0 [ 375.814504] ? rcu_read_lock_sched_held+0x14f/0x180 [ 375.819616] __do_softirq+0x308/0xb7e [ 375.823413] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.828342] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 375.833440] ? trace_hardirqs_on+0x310/0x310 [ 375.837848] ? schedule+0x108/0x460 [ 375.841478] ? trace_hardirqs_off+0xb8/0x310 [ 375.845878] ? smpboot_thread_fn+0x68b/0xa00 [ 375.850282] ? trace_hardirqs_on+0x310/0x310 [ 375.855013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.860544] ? check_preemption_disabled+0x48/0x280 [ 375.865551] ? takeover_tasklets+0xa90/0xa90 [ 375.869951] run_ksoftirqd+0x5e/0x100 [ 375.873743] smpboot_thread_fn+0x68b/0xa00 [ 375.877974] ? sort_range+0x30/0x30 [ 375.881594] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.886687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.892214] ? __kthread_parkme+0xfb/0x1a0 [ 375.896473] ? sort_range+0x30/0x30 [ 375.900093] kthread+0x35a/0x440 [ 375.903449] ? kthread_stop+0x900/0x900 [ 375.907415] ret_from_fork+0x3a/0x50 [ 375.911134] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 375.911257] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.918051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.924591] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.934364] Call Trace: [ 375.944671] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 375.947236] [ 375.954949] dump_stack+0x244/0x39d [ 375.958570] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.963852] warn_alloc.cold.116+0xb7/0x1bd [ 375.968166] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.973000] ? lock_downgrade+0x900/0x900 [ 375.977142] ? trace_hardirqs_off+0xb8/0x310 [ 375.981546] ? trace_hardirqs_off+0xb8/0x310 [ 375.985959] __alloc_pages_slowpath+0x26e8/0x2e10 [ 375.990831] ? warn_alloc+0x120/0x120 [ 375.994622] ? print_usage_bug+0xc0/0xc0 [ 375.998677] ? warn_alloc+0x120/0x120 [ 376.002473] ? warn_alloc+0x120/0x120 [ 376.006265] ? print_usage_bug+0xc0/0xc0 [ 376.010322] ? kvm_clock_read+0x18/0x30 [ 376.014290] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 376.019301] ? print_usage_bug+0xc0/0xc0 [ 376.023356] ? __lock_acquire+0x62f/0x4c20 [ 376.027589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.033118] ? should_fail+0x22d/0xd01 [ 376.037001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.042271] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.047365] ? __lock_acquire+0x62f/0x4c20 [ 376.051592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.056957] ? __lock_acquire+0x62f/0x4c20 [ 376.061187] ? should_fail+0x22d/0xd01 [ 376.065068] ? rcu_irq_exit+0x1a2/0x390 [ 376.069040] ? mark_held_locks+0x130/0x130 [ 376.073270] ? mark_held_locks+0x130/0x130 [ 376.077498] ? mark_held_locks+0xc7/0x130 [ 376.081637] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 376.086647] ? zap_class+0x640/0x640 [ 376.090355] ? print_usage_bug+0xc0/0xc0 [ 376.094411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.099943] ? check_preemption_disabled+0x48/0x280 [ 376.104956] ? __lock_is_held+0xb5/0x140 [ 376.109012] __alloc_pages_nodemask+0xa80/0xde0 [ 376.113674] ? zap_class+0x640/0x640 [ 376.117386] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 376.122406] ? find_held_lock+0x36/0x1c0 [ 376.126466] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.131130] ? lock_downgrade+0x900/0x900 [ 376.135311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.140849] cache_grow_begin+0xa5/0x8c0 [ 376.144904] ? do_raw_spin_unlock+0xa7/0x330 [ 376.149319] fallback_alloc+0x204/0x2e0 [ 376.154133] ____cache_alloc_node+0x1c7/0x1e0 [ 376.158648] kmem_cache_alloc_node+0xe3/0x730 [ 376.163137] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.167377] __alloc_skb+0x119/0x770 [ 376.171084] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.176354] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.180754] ? lock_downgrade+0x900/0x900 [ 376.184910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.190438] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.195883] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.201330] ? addrconf_rs_timer+0x690/0x690 [ 376.205738] ndisc_alloc_skb+0x144/0x340 [ 376.209800] ndisc_send_rs+0x331/0x6e0 [ 376.213685] addrconf_rs_timer+0x314/0x690 [ 376.217918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.222158] call_timer_fn+0x272/0x920 [ 376.226039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.230303] ? process_timeout+0x40/0x40 [ 376.234370] ? mark_held_locks+0xc7/0x130 [ 376.238511] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.243108] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.247597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.251843] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.257159] ? trace_hardirqs_on+0xbd/0x310 [ 376.261471] ? kasan_check_read+0x11/0x20 [ 376.265613] ? __run_timers+0x7da/0xc70 [ 376.269584] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.274686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.278918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.283155] __run_timers+0x7e5/0xc70 [ 376.287056] ? timer_fixup_init+0x70/0x70 [ 376.291201] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.296238] ? zap_class+0x640/0x640 [ 376.299949] ? print_usage_bug+0xc0/0xc0 [ 376.304009] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.309198] ? find_held_lock+0x36/0x1c0 [ 376.313254] ? zap_class+0x640/0x640 [ 376.316960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.322488] ? check_preemption_disabled+0x48/0x280 [ 376.327506] ? __lock_is_held+0xb5/0x140 [ 376.331559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.337103] ? check_preemption_disabled+0x48/0x280 [ 376.342117] run_timer_softirq+0x52/0xb0 [ 376.346171] ? rcu_read_lock_sched_held+0x14f/0x180 [ 376.351184] __do_softirq+0x308/0xb7e [ 376.355506] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 376.359992] ? lock_downgrade+0x900/0x900 [ 376.364141] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 376.369247] ? pvclock_read_flags+0x160/0x160 [ 376.373740] ? lapic_next_event+0x5a/0x90 [ 376.377887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.383420] ? kvm_clock_read+0x18/0x30 [ 376.387382] ? kvm_sched_clock_read+0x9/0x20 [ 376.391793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.397321] ? check_preemption_disabled+0x48/0x280 [ 376.402340] irq_exit+0x17f/0x1c0 [ 376.405791] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.410626] ? smp_reschedule_interrupt+0x109/0x650 [ 376.415636] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.421510] ? interrupt_entry+0xb5/0xc0 [ 376.425564] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.430571] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.435580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.440427] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.445435] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.450453] ? task_prio+0x50/0x50 [ 376.454715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.460244] ? check_preemption_disabled+0x48/0x280 [ 376.465256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.470097] apic_timer_interrupt+0xf/0x20 [ 376.474318] [ 376.476567] RIP: 0010:dump_stack+0x358/0x39d [ 376.480969] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 376.499858] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 376.507554] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 376.514817] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 376.522077] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 376.529333] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 376.536591] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 376.543868] ? dump_stack+0x34f/0x39d [ 376.547677] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.553669] ? mark_held_locks+0x130/0x130 [ 376.557895] ? mark_held_locks+0x130/0x130 [ 376.562140] dump_header+0x27b/0xf72 [ 376.565877] ? pagefault_out_of_memory+0x197/0x197 [ 376.570804] ? __lock_acquire+0x62f/0x4c20 [ 376.575033] ? percpu_ref_get_many+0x240/0x240 [ 376.579609] ? print_usage_bug+0xc0/0xc0 [ 376.583670] ? zap_class+0x640/0x640 [ 376.587380] ? print_usage_bug+0xc0/0xc0 [ 376.591430] ? print_usage_bug+0xc0/0xc0 [ 376.595488] ? zap_class+0x640/0x640 [ 376.599201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.604735] ? find_held_lock+0x36/0x1c0 [ 376.608803] ? mark_held_locks+0xc7/0x130 [ 376.612943] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.618036] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.623129] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 376.627706] ? trace_hardirqs_on+0xbd/0x310 [ 376.632020] ? kasan_check_read+0x11/0x20 [ 376.636158] ? ___ratelimit+0x3b4/0x672 [ 376.640120] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.645217] ? trace_hardirqs_on+0x310/0x310 [ 376.649619] ? lock_downgrade+0x900/0x900 [ 376.654720] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 376.659822] ? ___ratelimit+0x3b9/0x672 [ 376.663791] ? idr_get_free+0xf70/0xf70 [ 376.667761] ? find_held_lock+0x36/0x1c0 [ 376.671842] oom_kill_process.cold.27+0x10/0x903 [ 376.676593] ? zap_class+0x640/0x640 [ 376.680303] ? check_preemption_disabled+0x48/0x280 [ 376.685314] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 376.690234] ? kasan_check_read+0x11/0x20 [ 376.694377] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.699662] ? oom_evaluate_task+0x540/0x540 [ 376.704065] ? find_held_lock+0x36/0x1c0 [ 376.708122] ? out_of_memory+0x974/0x1430 [ 376.712267] ? lock_downgrade+0x900/0x900 [ 376.716408] ? check_preemption_disabled+0x48/0x280 [ 376.721421] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 376.726344] ? kasan_check_read+0x11/0x20 [ 376.730482] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.735842] ? rcu_softirq_qs+0x20/0x20 [ 376.739817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.745343] ? oom_evaluate_task+0x302/0x540 [ 376.749750] out_of_memory+0xa84/0x1430 [ 376.754706] ? oom_killer_disable+0x3a0/0x3a0 [ 376.759190] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 376.764116] ? __ww_mutex_check_waiters+0x160/0x160 [ 376.769131] __alloc_pages_slowpath+0x2354/0x2e10 [ 376.773984] ? warn_alloc+0x120/0x120 [ 376.777772] ? mark_held_locks+0x130/0x130 [ 376.782007] ? find_get_entry+0xaae/0x1120 [ 376.786246] ? filemap_map_pages+0x1a20/0x1a20 [ 376.790832] ? zap_class+0x640/0x640 [ 376.794546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.800078] ? check_preemption_disabled+0x48/0x280 [ 376.805086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.810614] ? should_fail+0x22d/0xd01 [ 376.814495] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.819594] ? zap_class+0x640/0x640 [ 376.823327] ? __lock_is_held+0xb5/0x140 [ 376.827390] ? mark_held_locks+0x130/0x130 [ 376.831621] ? lock_release+0xa00/0xa00 [ 376.835590] ? perf_trace_sched_process_exec+0x860/0x860 [ 376.841034] ? xa_load+0x2ba/0x460 [ 376.844567] ? lock_downgrade+0x900/0x900 [ 376.848715] ? __might_sleep+0x95/0x190 [ 376.853663] __alloc_pages_nodemask+0xa80/0xde0 [ 376.858330] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 376.863338] ? __page_cache_alloc+0x191/0x5c0 [ 376.867825] ? xa_load+0x2e1/0x460 [ 376.871362] ? xa_clear_mark+0x40/0x40 [ 376.875244] ? zap_class+0x640/0x640 [ 376.878963] ? zap_class+0x640/0x640 [ 376.882669] ? zap_class+0x640/0x640 [ 376.886375] ? __do_page_cache_readahead+0x663/0x810 [ 376.891478] ? find_held_lock+0x36/0x1c0 [ 376.895544] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 376.901090] alloc_pages_current+0x173/0x350 [ 376.905498] __page_cache_alloc+0x38c/0x5c0 [ 376.909816] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 376.914746] ? kasan_check_read+0x11/0x20 [ 376.918886] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.924155] ? generic_perform_write+0x6a0/0x6a0 [ 376.928905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.934435] ? check_preemption_disabled+0x48/0x280 [ 376.939450] filemap_fault+0x1595/0x25f0 [ 376.943518] ? __lock_page_or_retry+0xa00/0xa00 [ 376.948194] ? mark_held_locks+0x130/0x130 [ 376.953225] ? filemap_map_pages+0xd6b/0x1a20 [ 376.957719] ? lock_downgrade+0x900/0x900 [ 376.961866] ? check_preemption_disabled+0x48/0x280 [ 376.966875] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 376.971806] ? kasan_check_read+0x11/0x20 [ 376.975945] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.981213] ? rcu_softirq_qs+0x20/0x20 [ 376.985191] ? filemap_map_pages+0xd92/0x1a20 [ 376.989688] ? find_get_entries_tag+0x1400/0x1400 [ 376.994611] ? debug_object_destroy+0x2b0/0x2b0 [ 376.999281] ? lock_pi_update_atomic+0x150/0x150 [ 377.004027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.009570] ? lock_acquire+0x1ed/0x520 [ 377.013539] ? ext4_filemap_fault+0x7a/0xad [ 377.017860] ? lock_release+0xa00/0xa00 [ 377.021835] ? perf_trace_sched_process_exec+0x860/0x860 [ 377.027279] ? print_usage_bug+0xc0/0xc0 [ 377.031333] ? print_usage_bug+0xc0/0xc0 [ 377.035395] ? down_read+0x8d/0x120 [ 377.039011] ? ext4_filemap_fault+0x7a/0xad [ 377.043323] ? __down_interruptible+0x700/0x700 [ 377.047988] ext4_filemap_fault+0x82/0xad [ 377.052759] __do_fault+0x100/0x6b0 [ 377.056380] ? pmd_devmap_trans_unstable+0x220/0x220 [ 377.061476] ? mark_held_locks+0x130/0x130 [ 377.065709] ? mark_held_locks+0x130/0x130 [ 377.069942] ? do_raw_spin_trylock+0x270/0x270 [ 377.074520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.080049] __handle_mm_fault+0x3ea0/0x5be0 [ 377.084446] ? perf_trace_lock+0x7a0/0x7a0 [ 377.088681] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 377.093524] ? __switch_to_asm+0x34/0x70 [ 377.097573] ? __switch_to_asm+0x34/0x70 [ 377.101638] ? zap_class+0x640/0x640 [ 377.105342] ? zap_class+0x640/0x640 [ 377.109049] ? __x64_sys_futex+0x53e/0x6a0 [ 377.113284] ? find_held_lock+0x36/0x1c0 [ 377.117347] ? handle_mm_fault+0x42a/0xc70 [ 377.121575] ? lock_downgrade+0x900/0x900 [ 377.125723] ? check_preemption_disabled+0x48/0x280 [ 377.130825] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.135749] ? kasan_check_read+0x11/0x20 [ 377.139889] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.145158] ? rcu_softirq_qs+0x20/0x20 [ 377.149135] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.155023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.160553] ? check_preemption_disabled+0x48/0x280 [ 377.165571] handle_mm_fault+0x54f/0xc70 [ 377.169629] ? __handle_mm_fault+0x5be0/0x5be0 [ 377.174210] ? find_vma+0x34/0x190 [ 377.177752] __do_page_fault+0x5e8/0xe60 [ 377.183280] ? trace_hardirqs_off+0xb8/0x310 [ 377.187693] do_page_fault+0xf2/0x7e0 [ 377.191493] ? vmalloc_sync_all+0x30/0x30 [ 377.195630] ? error_entry+0x70/0xd0 [ 377.199338] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.204351] ? trace_hardirqs_on_caller+0xc0/0x310 [ 377.209273] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.214194] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.219030] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.224036] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.229482] ? prepare_exit_to_usermode+0x291/0x3b0 [ 377.234490] ? page_fault+0x8/0x30 [ 377.238028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.242867] ? page_fault+0x8/0x30 [ 377.246399] page_fault+0x1e/0x30 [ 377.249844] RIP: 0033:0x45ddf3 [ 377.253989] Code: Bad RIP value. [ 377.257349] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 377.262703] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 377.269967] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 377.277253] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 377.284514] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 377.291774] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 377.299231] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 377.299235] warn_alloc_show_mem: 1 callbacks suppressed [ 377.299241] Mem-Info: [ 377.305990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.311356] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 377.311356] active_file:12 inactive_file:13 isolated_file:0 [ 377.311356] unevictable:0 dirty:0 writeback:0 unstable:0 [ 377.311356] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 377.311356] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 377.311356] free:13705 free_pcp:178 free_cma:0 [ 377.313730] Call Trace: [ 377.313750] dump_stack+0x244/0x39d [ 377.323112] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 377.356282] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.358832] Node 0 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 [ 377.362453] warn_alloc.cold.116+0xb7/0x1bd [ 377.390079] lowmem_reserve[]: 0 2818 6321 6321 [ 377.395260] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.421338] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 377.425650] ? lock_downgrade+0x900/0x900 [ 377.430195] lowmem_reserve[]: 0 0 3503 3503 [ 377.435026] ? trace_hardirqs_off+0xb8/0x310 [ 377.463503] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 377.467655] ? trace_hardirqs_off+0xb8/0x310 [ 377.471941] lowmem_reserve[]: 0 0 0 0 [ 377.476338] __alloc_pages_slowpath+0x26e8/0x2e10 [ 377.505274] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 377.509703] ? warn_alloc+0x120/0x120 [ 377.513452] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 377.518284] ? print_usage_bug+0xc0/0xc0 [ 377.531771] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 377.535557] ? warn_alloc+0x120/0x120 [ 377.550791] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 377.555155] ? warn_alloc+0x120/0x120 [ 377.569347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 377.573136] ? print_usage_bug+0xc0/0xc0 [ 377.581940] 366 total pagecache pages [ 377.585727] ? print_usage_bug+0xc0/0xc0 [ 377.594279] 0 pages in swap cache [ 377.598315] ? __lock_acquire+0x62f/0x4c20 [ 377.602084] Swap cache stats: add 0, delete 0, find 0/0 [ 377.606129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.609566] Free swap = 0kB [ 377.613876] ? should_fail+0x22d/0xd01 [ 377.619206] Total swap = 0kB [ 377.624747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.627737] 1965979 pages RAM [ 377.631605] ? __lock_acquire+0x62f/0x4c20 [ 377.634595] 0 pages HighMem/MovableOnly [ 377.639688] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.642762] 342854 pages reserved [ 377.646984] ? __lock_acquire+0x62f/0x4c20 [ 377.650927] 0 pages cma reserved [ 377.656336] ? should_fail+0x22d/0xd01 [ 377.656350] ? find_held_lock+0x36/0x1c0 [ 377.659836] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.664015] ? mark_held_locks+0x130/0x130 [ 377.664035] ? mark_held_locks+0x130/0x130 [ 377.667424] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.671248] ? zap_class+0x640/0x640 [ 377.675280] syz-fuzzer cpuset=/ mems_allowed=0 [ 377.681767] ? mark_held_locks+0xc7/0x130 [ 377.712768] ? do_raw_spin_unlock+0xa7/0x330 [ 377.717169] ? zap_class+0x640/0x640 [ 377.720877] ? print_usage_bug+0xc0/0xc0 [ 377.724936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.730470] ? check_preemption_disabled+0x48/0x280 [ 377.735490] ? __lock_is_held+0xb5/0x140 [ 377.739550] __alloc_pages_nodemask+0xa80/0xde0 [ 377.744228] ? zap_class+0x640/0x640 [ 377.747934] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 377.753231] ? find_held_lock+0x36/0x1c0 [ 377.757293] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.761976] ? lock_downgrade+0x900/0x900 [ 377.766664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.772217] cache_grow_begin+0xa5/0x8c0 [ 377.776268] ? do_raw_spin_unlock+0xa7/0x330 [ 377.780683] fallback_alloc+0x204/0x2e0 [ 377.784664] ____cache_alloc_node+0x1c7/0x1e0 [ 377.789172] kmem_cache_alloc_node+0xe3/0x730 [ 377.793665] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.797911] __alloc_skb+0x119/0x770 [ 377.801612] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.806897] ? netdev_alloc_frag+0x1f0/0x1f0 [ 377.811297] ? lock_downgrade+0x900/0x900 [ 377.815445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.820973] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.826420] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.831865] ? addrconf_rs_timer+0x690/0x690 [ 377.836295] ndisc_alloc_skb+0x144/0x340 [ 377.840612] ndisc_send_rs+0x331/0x6e0 [ 377.844497] addrconf_rs_timer+0x314/0x690 [ 377.848734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.853300] call_timer_fn+0x272/0x920 [ 377.857197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.861426] ? process_timeout+0x40/0x40 [ 377.865484] ? __run_timers+0x7da/0xc70 [ 377.869450] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.873934] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.878418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.882748] ? lockdep_hardirqs_on+0x296/0x5b0 [ 377.887328] ? trace_hardirqs_on+0xbd/0x310 [ 377.891654] ? kasan_check_read+0x11/0x20 [ 377.895803] ? __run_timers+0x7da/0xc70 [ 377.899810] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.904913] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.909145] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.913367] __run_timers+0x7e5/0xc70 [ 377.917182] ? timer_fixup_init+0x70/0x70 [ 377.921325] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.925806] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.930442] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.935019] ? trace_hardirqs_on+0xbd/0x310 [ 377.939333] ? kasan_check_read+0x11/0x20 [ 377.943473] ? finish_task_switch+0x1f4/0x910 [ 377.947959] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.953361] ? compat_start_thread+0x80/0x80 [ 377.957780] ? pvclock_read_flags+0x160/0x160 [ 377.962262] ? __switch_to_asm+0x34/0x70 [ 377.966314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.971843] ? check_preemption_disabled+0x48/0x280 [ 377.976862] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 377.982395] ? rcu_pm_notify+0xc0/0xc0 [ 377.986279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.991819] ? check_preemption_disabled+0x48/0x280 [ 377.996830] run_timer_softirq+0x52/0xb0 [ 378.000898] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.005909] __do_softirq+0x308/0xb7e [ 378.009712] ? trace_hardirqs_on_caller+0xc0/0x310 [ 378.014633] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 378.019728] ? trace_hardirqs_on+0x310/0x310 [ 378.024132] ? schedule+0x108/0x460 [ 378.027762] ? trace_hardirqs_off+0xb8/0x310 [ 378.032166] ? smpboot_thread_fn+0x68b/0xa00 [ 378.036579] ? trace_hardirqs_on+0x310/0x310 [ 378.040986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.046513] ? check_preemption_disabled+0x48/0x280 [ 378.051522] ? takeover_tasklets+0xa90/0xa90 [ 378.056253] run_ksoftirqd+0x5e/0x100 [ 378.060044] smpboot_thread_fn+0x68b/0xa00 [ 378.064272] ? sort_range+0x30/0x30 [ 378.067889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.072985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.078517] ? __kthread_parkme+0xfb/0x1a0 [ 378.082745] ? sort_range+0x30/0x30 [ 378.086360] kthread+0x35a/0x440 [ 378.089722] ? kthread_stop+0x900/0x900 [ 378.093692] ret_from_fork+0x3a/0x50 [ 378.097411] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 378.097474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.104327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.104332] Call Trace: [ 378.104337] [ 378.104353] dump_stack+0x244/0x39d [ 378.104371] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.110882] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.120189] warn_alloc.cold.116+0xb7/0x1bd [ 378.122741] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 378.124876] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.158482] ? lock_downgrade+0x900/0x900 [ 378.162625] ? trace_hardirqs_off+0xb8/0x310 [ 378.167057] ? trace_hardirqs_off+0xb8/0x310 [ 378.171465] __alloc_pages_slowpath+0x26e8/0x2e10 [ 378.176323] ? warn_alloc+0x120/0x120 [ 378.180115] ? print_usage_bug+0xc0/0xc0 [ 378.184174] ? warn_alloc+0x120/0x120 [ 378.187994] ? warn_alloc+0x120/0x120 [ 378.191800] ? print_usage_bug+0xc0/0xc0 [ 378.195853] ? print_usage_bug+0xc0/0xc0 [ 378.199910] ? __lock_acquire+0x62f/0x4c20 [ 378.204143] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.209762] ? should_fail+0x22d/0xd01 [ 378.213664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.218763] ? __lock_acquire+0x62f/0x4c20 [ 378.223007] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.228116] ? __lock_acquire+0x62f/0x4c20 [ 378.232357] ? should_fail+0x22d/0xd01 [ 378.236236] ? find_held_lock+0x36/0x1c0 [ 378.240296] ? mark_held_locks+0x130/0x130 [ 378.244528] ? mark_held_locks+0x130/0x130 [ 378.248768] ? zap_class+0x640/0x640 [ 378.253474] ? zap_class+0x640/0x640 [ 378.257182] ? print_usage_bug+0xc0/0xc0 [ 378.261231] ? do_raw_spin_unlock+0xa7/0x330 [ 378.265629] ? zap_class+0x640/0x640 [ 378.269338] ? print_usage_bug+0xc0/0xc0 [ 378.273392] ? wq_watchdog_touch+0x9c/0xfe [ 378.277624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.283263] ? check_preemption_disabled+0x48/0x280 [ 378.288281] ? __lock_is_held+0xb5/0x140 [ 378.292337] __alloc_pages_nodemask+0xa80/0xde0 [ 378.296998] ? zap_class+0x640/0x640 [ 378.300715] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 378.305734] ? find_held_lock+0x36/0x1c0 [ 378.309808] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.314469] ? lock_downgrade+0x900/0x900 [ 378.318617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.324189] cache_grow_begin+0xa5/0x8c0 [ 378.328241] ? do_raw_spin_unlock+0xa7/0x330 [ 378.332652] fallback_alloc+0x204/0x2e0 [ 378.336626] ____cache_alloc_node+0x1c7/0x1e0 [ 378.341121] kmem_cache_alloc_node+0xe3/0x730 [ 378.345608] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.349851] __alloc_skb+0x119/0x770 [ 378.354068] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.359345] ? netdev_alloc_frag+0x1f0/0x1f0 [ 378.363755] ? lock_downgrade+0x900/0x900 [ 378.367905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.373432] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.378878] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.384324] ? addrconf_rs_timer+0x690/0x690 [ 378.388739] ndisc_alloc_skb+0x144/0x340 [ 378.392795] ndisc_send_rs+0x331/0x6e0 [ 378.396680] addrconf_rs_timer+0x314/0x690 [ 378.400910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.405144] call_timer_fn+0x272/0x920 [ 378.409028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.413252] ? process_timeout+0x40/0x40 [ 378.417309] ? mark_held_locks+0xc7/0x130 [ 378.421454] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.425940] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.430423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.434655] ? lockdep_hardirqs_on+0x296/0x5b0 [ 378.439235] ? trace_hardirqs_on+0xbd/0x310 [ 378.443551] ? kasan_check_read+0x11/0x20 [ 378.447690] ? __run_timers+0x7da/0xc70 [ 378.451676] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.457065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.461312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.465536] __run_timers+0x7e5/0xc70 [ 378.469355] ? timer_fixup_init+0x70/0x70 [ 378.473501] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.478508] ? zap_class+0x640/0x640 [ 378.482217] ? print_usage_bug+0xc0/0xc0 [ 378.486274] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.491465] ? find_held_lock+0x36/0x1c0 [ 378.495523] ? zap_class+0x640/0x640 [ 378.499231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.504758] ? check_preemption_disabled+0x48/0x280 [ 378.509775] ? __lock_is_held+0xb5/0x140 [ 378.513827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.519352] ? check_preemption_disabled+0x48/0x280 [ 378.524357] run_timer_softirq+0x52/0xb0 [ 378.528411] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.533420] __do_softirq+0x308/0xb7e [ 378.537223] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 378.541735] ? lock_downgrade+0x900/0x900 [ 378.545878] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 378.550976] ? pvclock_read_flags+0x160/0x160 [ 378.555753] ? lapic_next_event+0x5a/0x90 [ 378.559895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.565426] ? kvm_clock_read+0x18/0x30 [ 378.569391] ? kvm_sched_clock_read+0x9/0x20 [ 378.573791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.579315] ? check_preemption_disabled+0x48/0x280 [ 378.584328] irq_exit+0x17f/0x1c0 [ 378.587777] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.592610] ? smp_reschedule_interrupt+0x109/0x650 [ 378.597631] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.603503] ? interrupt_entry+0xb5/0xc0 [ 378.607555] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.612564] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.617578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.622412] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.627417] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.632424] ? task_prio+0x50/0x50 [ 378.635958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.641492] ? check_preemption_disabled+0x48/0x280 [ 378.646502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.651360] apic_timer_interrupt+0xf/0x20 [ 378.656423] [ 378.658655] RIP: 0010:dump_stack+0x358/0x39d [ 378.663055] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 378.681945] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 378.689643] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 378.696990] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 378.704333] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 378.711596] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 378.718859] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 378.726127] ? dump_stack+0x34f/0x39d [ 378.729929] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.735112] ? mark_held_locks+0x130/0x130 [ 378.739343] ? mark_held_locks+0x130/0x130 [ 378.743574] dump_header+0x27b/0xf72 [ 378.747292] ? pagefault_out_of_memory+0x197/0x197 [ 378.753015] ? __lock_acquire+0x62f/0x4c20 [ 378.757244] ? percpu_ref_get_many+0x240/0x240 [ 378.761821] ? print_usage_bug+0xc0/0xc0 [ 378.765876] ? zap_class+0x640/0x640 [ 378.769592] ? print_usage_bug+0xc0/0xc0 [ 378.773648] ? print_usage_bug+0xc0/0xc0 [ 378.777704] ? zap_class+0x640/0x640 [ 378.781413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.786941] ? find_held_lock+0x36/0x1c0 [ 378.791009] ? mark_held_locks+0xc7/0x130 [ 378.795154] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 378.800246] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 378.805337] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 378.809910] ? trace_hardirqs_on+0xbd/0x310 [ 378.814222] ? kasan_check_read+0x11/0x20 [ 378.818375] ? ___ratelimit+0x3b4/0x672 [ 378.822340] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.827437] ? trace_hardirqs_on+0x310/0x310 [ 378.831837] ? lock_downgrade+0x900/0x900 [ 378.835982] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.841075] ? ___ratelimit+0x3b9/0x672 [ 378.845041] ? idr_get_free+0xf70/0xf70 [ 378.849006] ? find_held_lock+0x36/0x1c0 [ 378.853886] oom_kill_process.cold.27+0x10/0x903 [ 378.858636] ? zap_class+0x640/0x640 [ 378.862342] ? check_preemption_disabled+0x48/0x280 [ 378.867352] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.872278] ? kasan_check_read+0x11/0x20 [ 378.876417] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.881687] ? oom_evaluate_task+0x540/0x540 [ 378.886092] ? find_held_lock+0x36/0x1c0 [ 378.890164] ? out_of_memory+0x974/0x1430 [ 378.894312] ? lock_downgrade+0x900/0x900 [ 378.898450] ? check_preemption_disabled+0x48/0x280 [ 378.903459] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.908388] ? kasan_check_read+0x11/0x20 [ 378.912528] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.917797] ? rcu_softirq_qs+0x20/0x20 [ 378.921774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.927301] ? oom_evaluate_task+0x302/0x540 [ 378.931708] out_of_memory+0xa84/0x1430 [ 378.935686] ? oom_killer_disable+0x3a0/0x3a0 [ 378.940182] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 378.945107] ? __ww_mutex_check_waiters+0x160/0x160 [ 378.950134] __alloc_pages_slowpath+0x2354/0x2e10 [ 378.955803] ? warn_alloc+0x120/0x120 [ 378.959616] ? mark_held_locks+0x130/0x130 [ 378.963849] ? find_get_entry+0xaae/0x1120 [ 378.968084] ? filemap_map_pages+0x1a20/0x1a20 [ 378.972663] ? zap_class+0x640/0x640 [ 378.976376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.981909] ? check_preemption_disabled+0x48/0x280 [ 378.986917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.992446] ? should_fail+0x22d/0xd01 [ 378.996331] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.001432] ? zap_class+0x640/0x640 [ 379.005160] ? __lock_is_held+0xb5/0x140 [ 379.009221] ? mark_held_locks+0x130/0x130 [ 379.013452] ? lock_release+0xa00/0xa00 [ 379.017419] ? perf_trace_sched_process_exec+0x860/0x860 [ 379.022862] ? xa_load+0x2ba/0x460 [ 379.026401] ? lock_downgrade+0x900/0x900 [ 379.030545] ? __might_sleep+0x95/0x190 [ 379.034516] __alloc_pages_nodemask+0xa80/0xde0 [ 379.039186] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 379.044194] ? __page_cache_alloc+0x191/0x5c0 [ 379.048679] ? xa_load+0x2e1/0x460 [ 379.053002] ? xa_clear_mark+0x40/0x40 [ 379.056888] ? zap_class+0x640/0x640 [ 379.060608] ? zap_class+0x640/0x640 [ 379.064315] ? zap_class+0x640/0x640 [ 379.068020] ? __do_page_cache_readahead+0x663/0x810 [ 379.073127] ? find_held_lock+0x36/0x1c0 [ 379.077189] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 379.082729] alloc_pages_current+0x173/0x350 [ 379.087143] __page_cache_alloc+0x38c/0x5c0 [ 379.091455] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.096379] ? kasan_check_read+0x11/0x20 [ 379.100519] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.105796] ? generic_perform_write+0x6a0/0x6a0 [ 379.110546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.116078] ? check_preemption_disabled+0x48/0x280 [ 379.121101] filemap_fault+0x1595/0x25f0 [ 379.125167] ? __lock_page_or_retry+0xa00/0xa00 [ 379.129830] ? mark_held_locks+0x130/0x130 [ 379.134063] ? filemap_map_pages+0xd6b/0x1a20 [ 379.138553] ? lock_downgrade+0x900/0x900 [ 379.142692] ? check_preemption_disabled+0x48/0x280 [ 379.147702] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.153595] ? kasan_check_read+0x11/0x20 [ 379.157735] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.163006] ? rcu_softirq_qs+0x20/0x20 [ 379.166985] ? filemap_map_pages+0xd92/0x1a20 [ 379.171489] ? find_get_entries_tag+0x1400/0x1400 [ 379.176333] ? debug_object_destroy+0x2b0/0x2b0 [ 379.181104] ? lock_pi_update_atomic+0x150/0x150 [ 379.185855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.191397] ? lock_acquire+0x1ed/0x520 [ 379.195368] ? ext4_filemap_fault+0x7a/0xad [ 379.199689] ? lock_release+0xa00/0xa00 [ 379.203660] ? perf_trace_sched_process_exec+0x860/0x860 [ 379.209113] ? print_usage_bug+0xc0/0xc0 [ 379.213180] ? print_usage_bug+0xc0/0xc0 [ 379.217247] ? down_read+0x8d/0x120 [ 379.220865] ? ext4_filemap_fault+0x7a/0xad [ 379.225185] ? __down_interruptible+0x700/0x700 [ 379.229858] ext4_filemap_fault+0x82/0xad [ 379.234000] __do_fault+0x100/0x6b0 [ 379.237637] ? pmd_devmap_trans_unstable+0x220/0x220 [ 379.242735] ? mark_held_locks+0x130/0x130 [ 379.247050] ? mark_held_locks+0x130/0x130 [ 379.251375] ? do_raw_spin_trylock+0x270/0x270 [ 379.256715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.262254] __handle_mm_fault+0x3ea0/0x5be0 [ 379.266654] ? perf_trace_lock+0x7a0/0x7a0 [ 379.270890] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 379.275819] ? __switch_to_asm+0x34/0x70 [ 379.279873] ? __switch_to_asm+0x34/0x70 [ 379.283935] ? zap_class+0x640/0x640 [ 379.287640] ? zap_class+0x640/0x640 [ 379.291344] ? __x64_sys_futex+0x53e/0x6a0 [ 379.295585] ? find_held_lock+0x36/0x1c0 [ 379.299649] ? handle_mm_fault+0x42a/0xc70 [ 379.303877] ? lock_downgrade+0x900/0x900 [ 379.308024] ? check_preemption_disabled+0x48/0x280 [ 379.313038] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.317960] ? kasan_check_read+0x11/0x20 [ 379.322104] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.327372] ? rcu_softirq_qs+0x20/0x20 [ 379.331334] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.336431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.341967] ? check_preemption_disabled+0x48/0x280 [ 379.346984] handle_mm_fault+0x54f/0xc70 [ 379.351039] ? __handle_mm_fault+0x5be0/0x5be0 [ 379.356358] ? find_vma+0x34/0x190 [ 379.359896] __do_page_fault+0x5e8/0xe60 [ 379.363955] ? trace_hardirqs_off+0xb8/0x310 [ 379.368363] do_page_fault+0xf2/0x7e0 [ 379.372162] ? vmalloc_sync_all+0x30/0x30 [ 379.376302] ? error_entry+0x70/0xd0 [ 379.380016] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.385038] ? trace_hardirqs_on_caller+0xc0/0x310 [ 379.389964] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.394888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.399724] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.404733] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.410183] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.415196] ? page_fault+0x8/0x30 [ 379.418733] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.423578] ? page_fault+0x8/0x30 [ 379.427115] page_fault+0x1e/0x30 [ 379.430556] RIP: 0033:0x45ddf3 [ 379.433753] Code: Bad RIP value. [ 379.437193] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 379.442549] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 379.449818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 379.457818] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 379.465077] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 379.472341] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 379.479623] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 379.479628] warn_alloc_show_mem: 1 callbacks suppressed [ 379.479634] Mem-Info: [ 379.486376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.491736] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 379.491736] active_file:12 inactive_file:13 isolated_file:0 [ 379.491736] unevictable:0 dirty:0 writeback:0 unstable:0 [ 379.491736] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 379.491736] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 379.491736] free:13705 free_pcp:178 free_cma:0 [ 379.494105] Call Trace: [ 379.503478] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 379.536321] dump_stack+0x244/0x39d [ 379.538876] Node 0 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 [ 379.566799] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.570393] lowmem_reserve[]: 0 2818 6321 6321 [ 379.596501] warn_alloc.cold.116+0xb7/0x1bd [ 379.601651] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 379.606223] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.610515] lowmem_reserve[]: 0 0 3503 3503 [ 379.638003] ? lock_downgrade+0x900/0x900 [ 379.642811] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 379.647123] ? trace_hardirqs_off+0xb8/0x310 [ 379.651230] lowmem_reserve[]: 0 0 0 0 [ 379.680480] ? trace_hardirqs_off+0xb8/0x310 [ 379.684860] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 379.688657] __alloc_pages_slowpath+0x26e8/0x2e10 [ 379.693032] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 379.706579] ? warn_alloc+0x120/0x120 [ 379.711364] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 379.726610] ? print_usage_bug+0xc0/0xc0 [ 379.730388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 379.744586] ? warn_alloc+0x120/0x120 [ 379.748626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 379.757727] ? warn_alloc+0x120/0x120 [ 379.761499] 366 total pagecache pages [ 379.770530] ? print_usage_bug+0xc0/0xc0 [ 379.774315] 0 pages in swap cache [ 379.778097] ? print_usage_bug+0xc0/0xc0 [ 379.782128] Swap cache stats: add 0, delete 0, find 0/0 [ 379.785572] ? __lock_acquire+0x62f/0x4c20 [ 379.789602] Free swap = 0kB [ 379.794957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.799154] Total swap = 0kB [ 379.799161] 1965979 pages RAM [ 379.802164] ? should_fail+0x22d/0xd01 [ 379.807669] 0 pages HighMem/MovableOnly [ 379.810675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.813751] 342854 pages reserved [ 379.817621] ? __lock_acquire+0x62f/0x4c20 [ 379.821569] 0 pages cma reserved [ 379.826656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.830130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.834290] ? __lock_acquire+0x62f/0x4c20 [ 379.834302] ? should_fail+0x22d/0xd01 [ 379.834318] ? find_held_lock+0x36/0x1c0 [ 379.837713] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.842754] ? mark_held_locks+0x130/0x130 [ 379.849215] syz-fuzzer cpuset=/ mems_allowed=0 [ 379.853730] ? mark_held_locks+0x130/0x130 [ 379.884839] ? zap_class+0x640/0x640 [ 379.888552] ? zap_class+0x640/0x640 [ 379.892269] ? print_usage_bug+0xc0/0xc0 [ 379.896321] ? do_raw_spin_unlock+0xa7/0x330 [ 379.900722] ? zap_class+0x640/0x640 [ 379.904431] ? print_usage_bug+0xc0/0xc0 [ 379.908499] ? wq_watchdog_touch+0x9c/0xfe [ 379.912731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.918263] ? check_preemption_disabled+0x48/0x280 [ 379.923284] ? __lock_is_held+0xb5/0x140 [ 379.927357] __alloc_pages_nodemask+0xa80/0xde0 [ 379.932220] ? zap_class+0x640/0x640 [ 379.935932] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 379.940950] ? find_held_lock+0x36/0x1c0 [ 379.945014] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.949677] ? lock_downgrade+0x900/0x900 [ 379.954144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.959677] cache_grow_begin+0xa5/0x8c0 [ 379.963732] ? do_raw_spin_unlock+0xa7/0x330 [ 379.968141] fallback_alloc+0x204/0x2e0 [ 379.972129] ____cache_alloc_node+0x1c7/0x1e0 [ 379.976630] kmem_cache_alloc_node+0xe3/0x730 [ 379.981115] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.985350] __alloc_skb+0x119/0x770 [ 379.989051] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.994321] ? netdev_alloc_frag+0x1f0/0x1f0 [ 379.998722] ? lock_downgrade+0x900/0x900 [ 380.002867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.008395] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.013842] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.019298] ? addrconf_rs_timer+0x690/0x690 [ 380.023703] ndisc_alloc_skb+0x144/0x340 [ 380.027758] ndisc_send_rs+0x331/0x6e0 [ 380.031646] addrconf_rs_timer+0x314/0x690 [ 380.035876] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.040106] call_timer_fn+0x272/0x920 [ 380.043985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.048212] ? process_timeout+0x40/0x40 [ 380.052270] ? __run_timers+0x7da/0xc70 [ 380.056601] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.061090] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.065592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.069833] ? lockdep_hardirqs_on+0x296/0x5b0 [ 380.074413] ? trace_hardirqs_on+0xbd/0x310 [ 380.078723] ? kasan_check_read+0x11/0x20 [ 380.082859] ? __run_timers+0x7da/0xc70 [ 380.086822] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.091967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.096196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.100422] __run_timers+0x7e5/0xc70 [ 380.104225] ? timer_fixup_init+0x70/0x70 [ 380.108364] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.112849] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.117340] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 380.121919] ? trace_hardirqs_on+0xbd/0x310 [ 380.126228] ? kasan_check_read+0x11/0x20 [ 380.130370] ? finish_task_switch+0x1f4/0x910 [ 380.134871] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.139964] ? compat_start_thread+0x80/0x80 [ 380.144381] ? pvclock_read_flags+0x160/0x160 [ 380.148868] ? __switch_to_asm+0x34/0x70 [ 380.153256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.158803] ? check_preemption_disabled+0x48/0x280 [ 380.163818] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 380.169346] ? rcu_pm_notify+0xc0/0xc0 [ 380.173227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.178759] ? check_preemption_disabled+0x48/0x280 [ 380.183779] run_timer_softirq+0x52/0xb0 [ 380.187923] ? rcu_read_lock_sched_held+0x14f/0x180 [ 380.192932] __do_softirq+0x308/0xb7e [ 380.196733] ? trace_hardirqs_on_caller+0xc0/0x310 [ 380.201657] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 380.206758] ? trace_hardirqs_on+0x310/0x310 [ 380.211168] ? schedule+0x108/0x460 [ 380.214801] ? trace_hardirqs_off+0xb8/0x310 [ 380.219203] ? smpboot_thread_fn+0x68b/0xa00 [ 380.223607] ? trace_hardirqs_on+0x310/0x310 [ 380.228025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.233557] ? check_preemption_disabled+0x48/0x280 [ 380.238568] ? takeover_tasklets+0xa90/0xa90 [ 380.242975] run_ksoftirqd+0x5e/0x100 [ 380.246768] smpboot_thread_fn+0x68b/0xa00 [ 380.251012] ? sort_range+0x30/0x30 [ 380.254913] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.260012] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.265549] ? __kthread_parkme+0xfb/0x1a0 [ 380.269785] ? sort_range+0x30/0x30 [ 380.273403] kthread+0x35a/0x440 [ 380.276767] ? kthread_stop+0x900/0x900 [ 380.280736] ret_from_fork+0x3a/0x50 [ 380.284459] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 380.284538] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.291380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.291385] Call Trace: [ 380.291391] [ 380.291406] dump_stack+0x244/0x39d [ 380.291424] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.297935] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.307237] warn_alloc.cold.116+0xb7/0x1bd [ 380.309784] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 380.311924] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.344869] ? lock_downgrade+0x900/0x900 [ 380.349033] ? trace_hardirqs_off+0xb8/0x310 [ 380.354250] ? trace_hardirqs_off+0xb8/0x310 [ 380.358660] __alloc_pages_slowpath+0x26e8/0x2e10 [ 380.363577] ? warn_alloc+0x120/0x120 [ 380.367372] ? print_usage_bug+0xc0/0xc0 [ 380.371428] ? warn_alloc+0x120/0x120 [ 380.375222] ? warn_alloc+0x120/0x120 [ 380.379018] ? print_usage_bug+0xc0/0xc0 [ 380.383083] ? print_usage_bug+0xc0/0xc0 [ 380.387142] ? __lock_acquire+0x62f/0x4c20 [ 380.391373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.396904] ? should_fail+0x22d/0xd01 [ 380.400787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.405882] ? __lock_acquire+0x62f/0x4c20 [ 380.410115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.415207] ? __lock_acquire+0x62f/0x4c20 [ 380.419435] ? should_fail+0x22d/0xd01 [ 380.423332] ? find_held_lock+0x36/0x1c0 [ 380.427408] ? mark_held_locks+0x130/0x130 [ 380.431638] ? mark_held_locks+0x130/0x130 [ 380.435860] ? zap_class+0x640/0x640 [ 380.439569] ? zap_class+0x640/0x640 [ 380.443279] ? print_usage_bug+0xc0/0xc0 [ 380.447333] ? do_raw_spin_unlock+0xa7/0x330 [ 380.451731] ? zap_class+0x640/0x640 [ 380.456236] ? print_usage_bug+0xc0/0xc0 [ 380.460288] ? wq_watchdog_touch+0x9c/0xfe [ 380.464525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.470056] ? check_preemption_disabled+0x48/0x280 [ 380.475074] ? __lock_is_held+0xb5/0x140 [ 380.479131] __alloc_pages_nodemask+0xa80/0xde0 [ 380.483790] ? zap_class+0x640/0x640 [ 380.487506] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 380.492535] ? find_held_lock+0x36/0x1c0 [ 380.496595] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.501252] ? lock_downgrade+0x900/0x900 [ 380.505398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.510932] cache_grow_begin+0xa5/0x8c0 [ 380.514989] ? do_raw_spin_unlock+0xa7/0x330 [ 380.519403] fallback_alloc+0x204/0x2e0 [ 380.523475] ____cache_alloc_node+0x1c7/0x1e0 [ 380.527988] kmem_cache_alloc_node+0xe3/0x730 [ 380.532489] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.536737] __alloc_skb+0x119/0x770 [ 380.540474] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.545756] ? netdev_alloc_frag+0x1f0/0x1f0 [ 380.550157] ? lock_downgrade+0x900/0x900 [ 380.555283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.560814] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.566258] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.571702] ? addrconf_rs_timer+0x690/0x690 [ 380.576115] ndisc_alloc_skb+0x144/0x340 [ 380.580194] ndisc_send_rs+0x331/0x6e0 [ 380.584083] addrconf_rs_timer+0x314/0x690 [ 380.588318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.592564] call_timer_fn+0x272/0x920 [ 380.596571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.600801] ? process_timeout+0x40/0x40 [ 380.604862] ? mark_held_locks+0xc7/0x130 [ 380.609001] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.613501] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.617983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.622209] ? lockdep_hardirqs_on+0x296/0x5b0 [ 380.626784] ? trace_hardirqs_on+0xbd/0x310 [ 380.631098] ? kasan_check_read+0x11/0x20 [ 380.635235] ? __run_timers+0x7da/0xc70 [ 380.639199] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.644300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.648529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.653522] __run_timers+0x7e5/0xc70 [ 380.657326] ? timer_fixup_init+0x70/0x70 [ 380.661469] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 380.666480] ? zap_class+0x640/0x640 [ 380.670197] ? print_usage_bug+0xc0/0xc0 [ 380.674255] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 380.679441] ? find_held_lock+0x36/0x1c0 [ 380.683506] ? zap_class+0x640/0x640 [ 380.687219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.692749] ? check_preemption_disabled+0x48/0x280 [ 380.697776] ? __lock_is_held+0xb5/0x140 [ 380.701827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.707356] ? check_preemption_disabled+0x48/0x280 [ 380.712371] run_timer_softirq+0x52/0xb0 [ 380.716427] ? rcu_read_lock_sched_held+0x14f/0x180 [ 380.721434] __do_softirq+0x308/0xb7e [ 380.725237] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 380.729722] ? lock_downgrade+0x900/0x900 [ 380.733867] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 380.738967] ? pvclock_read_flags+0x160/0x160 [ 380.743458] ? lapic_next_event+0x5a/0x90 [ 380.747692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.753978] ? kvm_clock_read+0x18/0x30 [ 380.757957] ? kvm_sched_clock_read+0x9/0x20 [ 380.762360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.767907] ? check_preemption_disabled+0x48/0x280 [ 380.772927] irq_exit+0x17f/0x1c0 [ 380.776377] smp_apic_timer_interrupt+0x1cb/0x760 [ 380.781209] ? smp_reschedule_interrupt+0x109/0x650 [ 380.786218] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.792096] ? interrupt_entry+0xb5/0xc0 [ 380.796154] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.801160] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.806170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.811028] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.816035] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.821043] ? task_prio+0x50/0x50 [ 380.824576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.830105] ? check_preemption_disabled+0x48/0x280 [ 380.835123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.839970] apic_timer_interrupt+0xf/0x20 [ 380.844192] [ 380.846421] RIP: 0010:dump_stack+0x358/0x39d [ 380.850842] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 380.870047] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 380.877748] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 380.885012] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 380.892270] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 380.899530] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 380.906788] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 380.914065] ? dump_stack+0x34f/0x39d [ 380.917869] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.923053] ? mark_held_locks+0x130/0x130 [ 380.927280] ? mark_held_locks+0x130/0x130 [ 380.931514] dump_header+0x27b/0xf72 [ 380.935229] ? pagefault_out_of_memory+0x197/0x197 [ 380.940162] ? __lock_acquire+0x62f/0x4c20 [ 380.944388] ? percpu_ref_get_many+0x240/0x240 [ 380.948963] ? print_usage_bug+0xc0/0xc0 [ 380.953795] ? zap_class+0x640/0x640 [ 380.957505] ? print_usage_bug+0xc0/0xc0 [ 380.961561] ? print_usage_bug+0xc0/0xc0 [ 380.965617] ? zap_class+0x640/0x640 [ 380.969327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.974861] ? find_held_lock+0x36/0x1c0 [ 380.978923] ? mark_held_locks+0xc7/0x130 [ 380.983063] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.988157] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.993249] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 380.997824] ? trace_hardirqs_on+0xbd/0x310 [ 381.002137] ? kasan_check_read+0x11/0x20 [ 381.006275] ? ___ratelimit+0x3b4/0x672 [ 381.010241] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.015335] ? trace_hardirqs_on+0x310/0x310 [ 381.019737] ? lock_downgrade+0x900/0x900 [ 381.023882] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.028977] ? ___ratelimit+0x3b9/0x672 [ 381.032951] ? idr_get_free+0xf70/0xf70 [ 381.036922] ? find_held_lock+0x36/0x1c0 [ 381.040991] oom_kill_process.cold.27+0x10/0x903 [ 381.045740] ? zap_class+0x640/0x640 [ 381.049445] ? check_preemption_disabled+0x48/0x280 [ 381.055290] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.060212] ? kasan_check_read+0x11/0x20 [ 381.064356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.069627] ? oom_evaluate_task+0x540/0x540 [ 381.074038] ? find_held_lock+0x36/0x1c0 [ 381.078101] ? out_of_memory+0x974/0x1430 [ 381.082243] ? lock_downgrade+0x900/0x900 [ 381.086389] ? check_preemption_disabled+0x48/0x280 [ 381.091399] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.096323] ? kasan_check_read+0x11/0x20 [ 381.100479] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.105747] ? rcu_softirq_qs+0x20/0x20 [ 381.109726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.115254] ? oom_evaluate_task+0x302/0x540 [ 381.119659] out_of_memory+0xa84/0x1430 [ 381.123656] ? oom_killer_disable+0x3a0/0x3a0 [ 381.128148] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 381.133080] ? __ww_mutex_check_waiters+0x160/0x160 [ 381.138105] __alloc_pages_slowpath+0x2354/0x2e10 [ 381.142970] ? warn_alloc+0x120/0x120 [ 381.146768] ? mark_held_locks+0x130/0x130 [ 381.151007] ? find_get_entry+0xaae/0x1120 [ 381.156209] ? filemap_map_pages+0x1a20/0x1a20 [ 381.160789] ? zap_class+0x640/0x640 [ 381.164504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.170038] ? check_preemption_disabled+0x48/0x280 [ 381.175050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.180580] ? should_fail+0x22d/0xd01 [ 381.184473] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.189658] ? zap_class+0x640/0x640 [ 381.193388] ? __lock_is_held+0xb5/0x140 [ 381.197459] ? mark_held_locks+0x130/0x130 [ 381.201688] ? lock_release+0xa00/0xa00 [ 381.205658] ? perf_trace_sched_process_exec+0x860/0x860 [ 381.211100] ? xa_load+0x2ba/0x460 [ 381.214635] ? lock_downgrade+0x900/0x900 [ 381.218796] ? __might_sleep+0x95/0x190 [ 381.222768] __alloc_pages_nodemask+0xa80/0xde0 [ 381.227543] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 381.232554] ? __page_cache_alloc+0x191/0x5c0 [ 381.237045] ? xa_load+0x2e1/0x460 [ 381.240584] ? xa_clear_mark+0x40/0x40 [ 381.244474] ? zap_class+0x640/0x640 [ 381.248188] ? zap_class+0x640/0x640 [ 381.251893] ? zap_class+0x640/0x640 [ 381.256364] ? __do_page_cache_readahead+0x663/0x810 [ 381.261471] ? find_held_lock+0x36/0x1c0 [ 381.265533] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 381.271070] alloc_pages_current+0x173/0x350 [ 381.275485] __page_cache_alloc+0x38c/0x5c0 [ 381.279804] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.284725] ? kasan_check_read+0x11/0x20 [ 381.288864] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.294139] ? generic_perform_write+0x6a0/0x6a0 [ 381.298888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.304422] ? check_preemption_disabled+0x48/0x280 [ 381.309460] filemap_fault+0x1595/0x25f0 [ 381.313549] ? __lock_page_or_retry+0xa00/0xa00 [ 381.318213] ? mark_held_locks+0x130/0x130 [ 381.322456] ? filemap_map_pages+0xd6b/0x1a20 [ 381.326944] ? lock_downgrade+0x900/0x900 [ 381.331093] ? check_preemption_disabled+0x48/0x280 [ 381.336106] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.341030] ? kasan_check_read+0x11/0x20 [ 381.345169] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.350436] ? rcu_softirq_qs+0x20/0x20 [ 381.355241] ? filemap_map_pages+0xd92/0x1a20 [ 381.359739] ? find_get_entries_tag+0x1400/0x1400 [ 381.364582] ? debug_object_destroy+0x2b0/0x2b0 [ 381.369244] ? lock_pi_update_atomic+0x150/0x150 [ 381.373991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.379534] ? lock_acquire+0x1ed/0x520 [ 381.383502] ? ext4_filemap_fault+0x7a/0xad [ 381.387821] ? lock_release+0xa00/0xa00 [ 381.391792] ? perf_trace_sched_process_exec+0x860/0x860 [ 381.397238] ? print_usage_bug+0xc0/0xc0 [ 381.401296] ? print_usage_bug+0xc0/0xc0 [ 381.405364] ? down_read+0x8d/0x120 [ 381.408980] ? ext4_filemap_fault+0x7a/0xad [ 381.413300] ? __down_interruptible+0x700/0x700 [ 381.417975] ext4_filemap_fault+0x82/0xad [ 381.422134] __do_fault+0x100/0x6b0 [ 381.425757] ? pmd_devmap_trans_unstable+0x220/0x220 [ 381.430857] ? mark_held_locks+0x130/0x130 [ 381.435083] ? mark_held_locks+0x130/0x130 [ 381.439312] ? do_raw_spin_trylock+0x270/0x270 [ 381.443897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.449431] __handle_mm_fault+0x3ea0/0x5be0 [ 381.454615] ? perf_trace_lock+0x7a0/0x7a0 [ 381.458850] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 381.463692] ? __switch_to_asm+0x34/0x70 [ 381.467828] ? __switch_to_asm+0x34/0x70 [ 381.471892] ? zap_class+0x640/0x640 [ 381.475596] ? zap_class+0x640/0x640 [ 381.479302] ? __x64_sys_futex+0x53e/0x6a0 [ 381.483534] ? find_held_lock+0x36/0x1c0 [ 381.487598] ? handle_mm_fault+0x42a/0xc70 [ 381.491828] ? lock_downgrade+0x900/0x900 [ 381.495968] ? check_preemption_disabled+0x48/0x280 [ 381.500983] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.505902] ? kasan_check_read+0x11/0x20 [ 381.510044] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.515313] ? rcu_softirq_qs+0x20/0x20 [ 381.519278] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.524374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.529905] ? check_preemption_disabled+0x48/0x280 [ 381.534921] handle_mm_fault+0x54f/0xc70 [ 381.538980] ? __handle_mm_fault+0x5be0/0x5be0 [ 381.543555] ? find_vma+0x34/0x190 [ 381.547093] __do_page_fault+0x5e8/0xe60 [ 381.551145] ? trace_hardirqs_off+0xb8/0x310 [ 381.556352] do_page_fault+0xf2/0x7e0 [ 381.560149] ? vmalloc_sync_all+0x30/0x30 [ 381.564286] ? error_entry+0x70/0xd0 [ 381.567994] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.572995] ? trace_hardirqs_on_caller+0xc0/0x310 [ 381.577937] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.582954] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.587793] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.592802] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.598249] ? prepare_exit_to_usermode+0x291/0x3b0 [ 381.603254] ? page_fault+0x8/0x30 [ 381.606806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.611643] ? page_fault+0x8/0x30 [ 381.615175] page_fault+0x1e/0x30 [ 381.618621] RIP: 0033:0x45ddf3 [ 381.621827] Code: Bad RIP value. [ 381.625189] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 381.630548] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 381.637812] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 381.645070] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 381.652329] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 381.660590] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 381.667869] warn_alloc_show_mem: 1 callbacks suppressed [ 381.667878] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 381.667880] Mem-Info: [ 381.667909] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 381.667909] active_file:12 inactive_file:13 isolated_file:0 [ 381.667909] unevictable:0 dirty:0 writeback:0 unstable:0 [ 381.667909] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 381.667909] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 381.667909] free:13705 free_pcp:178 free_cma:0 [ 381.673240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.679993] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 381.682376] Call Trace: [ 381.715233] Node 0 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 [ 381.724585] dump_stack+0x244/0x39d [ 381.752308] lowmem_reserve[]: 0 2818 6321 6321 [ 381.755188] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.781542] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 381.785170] warn_alloc.cold.116+0xb7/0x1bd [ 381.789702] lowmem_reserve[]: 0 0 3503 3503 [ 381.794899] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.822361] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 381.826675] ? lock_downgrade+0x900/0x900 [ 381.830973] lowmem_reserve[]: 0 0 0 0 [ 381.835805] ? trace_hardirqs_off+0xb8/0x310 [ 381.865038] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 381.869180] ? trace_hardirqs_off+0xb8/0x310 [ 381.872943] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 381.877352] __alloc_pages_slowpath+0x26e8/0x2e10 [ 381.890852] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 381.895271] ? warn_alloc+0x120/0x120 [ 381.910485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 381.915306] ? print_usage_bug+0xc0/0xc0 [ 381.929496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.933444] ? warn_alloc+0x120/0x120 [ 381.942252] 366 total pagecache pages [ 381.946295] ? warn_alloc+0x120/0x120 [ 381.955623] 0 pages in swap cache [ 381.959413] ? print_usage_bug+0xc0/0xc0 [ 381.963194] Swap cache stats: add 0, delete 0, find 0/0 [ 381.966977] ? print_usage_bug+0xc0/0xc0 [ 381.970397] Free swap = 0kB [ 381.974452] ? __lock_acquire+0x62f/0x4c20 [ 381.979786] Total swap = 0kB [ 381.983836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.986823] 1965979 pages RAM [ 381.991041] ? should_fail+0x22d/0xd01 [ 381.994027] 0 pages HighMem/MovableOnly [ 381.999549] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.002627] 342854 pages reserved [ 382.006500] ? __lock_acquire+0x62f/0x4c20 [ 382.010443] 0 pages cma reserved [ 382.015534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.019011] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.023172] ? __lock_acquire+0x62f/0x4c20 [ 382.023184] ? should_fail+0x22d/0xd01 [ 382.023199] ? find_held_lock+0x36/0x1c0 [ 382.026677] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.031717] ? mark_held_locks+0x130/0x130 [ 382.038174] syz-fuzzer cpuset=/ mems_allowed=0 [ 382.042403] ? mark_held_locks+0x130/0x130 [ 382.073789] ? zap_class+0x640/0x640 [ 382.077496] ? zap_class+0x640/0x640 [ 382.081203] ? print_usage_bug+0xc0/0xc0 [ 382.085274] ? do_raw_spin_unlock+0xa7/0x330 [ 382.089693] ? zap_class+0x640/0x640 [ 382.093405] ? print_usage_bug+0xc0/0xc0 [ 382.097464] ? wq_watchdog_touch+0x9c/0xfe [ 382.101695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.107230] ? check_preemption_disabled+0x48/0x280 [ 382.112247] ? __lock_is_held+0xb5/0x140 [ 382.116306] __alloc_pages_nodemask+0xa80/0xde0 [ 382.120969] ? zap_class+0x640/0x640 [ 382.124684] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 382.129723] ? find_held_lock+0x36/0x1c0 [ 382.133789] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.138451] ? lock_downgrade+0x900/0x900 [ 382.142607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.148145] cache_grow_begin+0xa5/0x8c0 [ 382.152218] ? do_raw_spin_unlock+0xa7/0x330 [ 382.156956] fallback_alloc+0x204/0x2e0 [ 382.160931] ____cache_alloc_node+0x1c7/0x1e0 [ 382.165432] kmem_cache_alloc_node+0xe3/0x730 [ 382.169921] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.174157] __alloc_skb+0x119/0x770 [ 382.177867] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.183142] ? netdev_alloc_frag+0x1f0/0x1f0 [ 382.187542] ? lock_downgrade+0x900/0x900 [ 382.191705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.197233] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.202689] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.208154] ? addrconf_rs_timer+0x690/0x690 [ 382.212583] ndisc_alloc_skb+0x144/0x340 [ 382.216646] ndisc_send_rs+0x331/0x6e0 [ 382.220532] addrconf_rs_timer+0x314/0x690 [ 382.224763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.229001] call_timer_fn+0x272/0x920 [ 382.232879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.237107] ? process_timeout+0x40/0x40 [ 382.241167] ? __run_timers+0x7da/0xc70 [ 382.245143] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.249630] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.254451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.258679] ? lockdep_hardirqs_on+0x296/0x5b0 [ 382.263252] ? trace_hardirqs_on+0xbd/0x310 [ 382.267576] ? kasan_check_read+0x11/0x20 [ 382.271717] ? __run_timers+0x7da/0xc70 [ 382.275685] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.280783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.285010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.289235] __run_timers+0x7e5/0xc70 [ 382.293042] ? timer_fixup_init+0x70/0x70 [ 382.297177] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.301668] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.306157] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 382.310733] ? trace_hardirqs_on+0xbd/0x310 [ 382.315049] ? kasan_check_read+0x11/0x20 [ 382.319191] ? finish_task_switch+0x1f4/0x910 [ 382.323680] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.328879] ? compat_start_thread+0x80/0x80 [ 382.333300] ? pvclock_read_flags+0x160/0x160 [ 382.337788] ? __switch_to_asm+0x34/0x70 [ 382.341841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.347372] ? check_preemption_disabled+0x48/0x280 [ 382.352431] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 382.358305] ? rcu_pm_notify+0xc0/0xc0 [ 382.362188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.367758] ? check_preemption_disabled+0x48/0x280 [ 382.372775] run_timer_softirq+0x52/0xb0 [ 382.376836] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.381847] __do_softirq+0x308/0xb7e [ 382.385645] ? trace_hardirqs_on_caller+0xc0/0x310 [ 382.390573] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.395668] ? trace_hardirqs_on+0x310/0x310 [ 382.400071] ? schedule+0x108/0x460 [ 382.403697] ? trace_hardirqs_off+0xb8/0x310 [ 382.408096] ? smpboot_thread_fn+0x68b/0xa00 [ 382.412503] ? trace_hardirqs_on+0x310/0x310 [ 382.416905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.422439] ? check_preemption_disabled+0x48/0x280 [ 382.427450] ? takeover_tasklets+0xa90/0xa90 [ 382.431855] run_ksoftirqd+0x5e/0x100 [ 382.435647] smpboot_thread_fn+0x68b/0xa00 [ 382.439882] ? sort_range+0x30/0x30 [ 382.443499] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.448594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.454433] ? __kthread_parkme+0xfb/0x1a0 [ 382.458658] ? sort_range+0x30/0x30 [ 382.462286] kthread+0x35a/0x440 [ 382.465645] ? kthread_stop+0x900/0x900 [ 382.469613] ret_from_fork+0x3a/0x50 [ 382.473332] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 382.473420] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.480262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.486806] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.496059] Call Trace: [ 382.506350] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 382.508917] [ 382.515696] dump_stack+0x244/0x39d [ 382.519332] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.524526] warn_alloc.cold.116+0xb7/0x1bd [ 382.528842] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.533685] ? lock_downgrade+0x900/0x900 [ 382.537837] ? trace_hardirqs_off+0xb8/0x310 [ 382.542248] ? trace_hardirqs_off+0xb8/0x310 [ 382.546655] __alloc_pages_slowpath+0x26e8/0x2e10 [ 382.551512] ? warn_alloc+0x120/0x120 [ 382.556103] ? print_usage_bug+0xc0/0xc0 [ 382.560158] ? warn_alloc+0x120/0x120 [ 382.563971] ? warn_alloc+0x120/0x120 [ 382.567778] ? print_usage_bug+0xc0/0xc0 [ 382.571850] ? print_usage_bug+0xc0/0xc0 [ 382.575913] ? __lock_acquire+0x62f/0x4c20 [ 382.580156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.585692] ? should_fail+0x22d/0xd01 [ 382.589574] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.594673] ? __lock_acquire+0x62f/0x4c20 [ 382.598907] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.604029] ? __lock_acquire+0x62f/0x4c20 [ 382.608258] ? should_fail+0x22d/0xd01 [ 382.612161] ? find_held_lock+0x36/0x1c0 [ 382.616222] ? mark_held_locks+0x130/0x130 [ 382.620457] ? mark_held_locks+0x130/0x130 [ 382.624680] ? zap_class+0x640/0x640 [ 382.628387] ? zap_class+0x640/0x640 [ 382.632096] ? print_usage_bug+0xc0/0xc0 [ 382.636146] ? do_raw_spin_unlock+0xa7/0x330 [ 382.640548] ? zap_class+0x640/0x640 [ 382.644253] ? print_usage_bug+0xc0/0xc0 [ 382.648307] ? wq_watchdog_touch+0x9c/0xfe [ 382.652540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.658790] ? check_preemption_disabled+0x48/0x280 [ 382.663808] ? __lock_is_held+0xb5/0x140 [ 382.667863] __alloc_pages_nodemask+0xa80/0xde0 [ 382.672525] ? zap_class+0x640/0x640 [ 382.676237] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 382.681254] ? find_held_lock+0x36/0x1c0 [ 382.685315] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.689981] ? lock_downgrade+0x900/0x900 [ 382.694130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.699664] cache_grow_begin+0xa5/0x8c0 [ 382.703715] ? do_raw_spin_unlock+0xa7/0x330 [ 382.708122] fallback_alloc+0x204/0x2e0 [ 382.712093] ____cache_alloc_node+0x1c7/0x1e0 [ 382.716582] kmem_cache_alloc_node+0xe3/0x730 [ 382.721074] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.725309] __alloc_skb+0x119/0x770 [ 382.729013] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.734285] ? netdev_alloc_frag+0x1f0/0x1f0 [ 382.738685] ? lock_downgrade+0x900/0x900 [ 382.742832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.748368] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.754617] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.760076] ? addrconf_rs_timer+0x690/0x690 [ 382.764490] ndisc_alloc_skb+0x144/0x340 [ 382.768549] ndisc_send_rs+0x331/0x6e0 [ 382.772431] addrconf_rs_timer+0x314/0x690 [ 382.776663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.780905] call_timer_fn+0x272/0x920 [ 382.784782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.789008] ? process_timeout+0x40/0x40 [ 382.793070] ? mark_held_locks+0xc7/0x130 [ 382.797214] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.801700] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.806185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.810426] ? lockdep_hardirqs_on+0x296/0x5b0 [ 382.815007] ? trace_hardirqs_on+0xbd/0x310 [ 382.819320] ? kasan_check_read+0x11/0x20 [ 382.823468] ? __run_timers+0x7da/0xc70 [ 382.827436] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.832535] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.836767] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.840989] __run_timers+0x7e5/0xc70 [ 382.844794] ? timer_fixup_init+0x70/0x70 [ 382.848933] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.854265] ? zap_class+0x640/0x640 [ 382.857979] ? print_usage_bug+0xc0/0xc0 [ 382.862035] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 382.867223] ? find_held_lock+0x36/0x1c0 [ 382.871285] ? zap_class+0x640/0x640 [ 382.874998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.880530] ? check_preemption_disabled+0x48/0x280 [ 382.885552] ? __lock_is_held+0xb5/0x140 [ 382.889608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.895138] ? check_preemption_disabled+0x48/0x280 [ 382.900152] run_timer_softirq+0x52/0xb0 [ 382.904203] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.909239] __do_softirq+0x308/0xb7e [ 382.913037] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 382.917528] ? lock_downgrade+0x900/0x900 [ 382.921672] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.926891] ? pvclock_read_flags+0x160/0x160 [ 382.931382] ? lapic_next_event+0x5a/0x90 [ 382.935523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.941056] ? kvm_clock_read+0x18/0x30 [ 382.945023] ? kvm_sched_clock_read+0x9/0x20 [ 382.949425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.955839] ? check_preemption_disabled+0x48/0x280 [ 382.960862] irq_exit+0x17f/0x1c0 [ 382.964319] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.969163] ? smp_reschedule_interrupt+0x109/0x650 [ 382.974173] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.980048] ? interrupt_entry+0xb5/0xc0 [ 382.984105] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.989116] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.994126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.998960] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.003978] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.008984] ? task_prio+0x50/0x50 [ 383.012518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.018050] ? check_preemption_disabled+0x48/0x280 [ 383.023056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.027903] apic_timer_interrupt+0xf/0x20 [ 383.032122] [ 383.034361] RIP: 0010:dump_stack+0x358/0x39d [ 383.038762] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 383.057929] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 383.065625] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 383.072884] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 383.080156] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 383.087411] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 383.094675] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 383.101952] ? dump_stack+0x34f/0x39d [ 383.105766] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.110951] ? mark_held_locks+0x130/0x130 [ 383.115175] ? mark_held_locks+0x130/0x130 [ 383.119405] dump_header+0x27b/0xf72 [ 383.123140] ? pagefault_out_of_memory+0x197/0x197 [ 383.128069] ? __lock_acquire+0x62f/0x4c20 [ 383.132296] ? percpu_ref_get_many+0x240/0x240 [ 383.136886] ? print_usage_bug+0xc0/0xc0 [ 383.140961] ? zap_class+0x640/0x640 [ 383.144677] ? print_usage_bug+0xc0/0xc0 [ 383.148732] ? print_usage_bug+0xc0/0xc0 [ 383.153083] ? zap_class+0x640/0x640 [ 383.156790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.162330] ? find_held_lock+0x36/0x1c0 [ 383.166393] ? mark_held_locks+0xc7/0x130 [ 383.170539] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 383.175633] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 383.180729] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 383.185302] ? trace_hardirqs_on+0xbd/0x310 [ 383.189625] ? kasan_check_read+0x11/0x20 [ 383.193764] ? ___ratelimit+0x3b4/0x672 [ 383.197734] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.202828] ? trace_hardirqs_on+0x310/0x310 [ 383.207230] ? lock_downgrade+0x900/0x900 [ 383.211372] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 383.216469] ? ___ratelimit+0x3b9/0x672 [ 383.220437] ? idr_get_free+0xf70/0xf70 [ 383.224399] ? find_held_lock+0x36/0x1c0 [ 383.228459] oom_kill_process.cold.27+0x10/0x903 [ 383.233205] ? zap_class+0x640/0x640 [ 383.236914] ? check_preemption_disabled+0x48/0x280 [ 383.241929] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.246851] ? kasan_check_read+0x11/0x20 [ 383.250992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.257010] ? oom_evaluate_task+0x540/0x540 [ 383.261416] ? find_held_lock+0x36/0x1c0 [ 383.265481] ? out_of_memory+0x974/0x1430 [ 383.269624] ? lock_downgrade+0x900/0x900 [ 383.273768] ? check_preemption_disabled+0x48/0x280 [ 383.278780] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.283704] ? kasan_check_read+0x11/0x20 [ 383.287850] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.293128] ? rcu_softirq_qs+0x20/0x20 [ 383.297100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.302628] ? oom_evaluate_task+0x302/0x540 [ 383.307034] out_of_memory+0xa84/0x1430 [ 383.311012] ? oom_killer_disable+0x3a0/0x3a0 [ 383.315508] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 383.320435] ? __ww_mutex_check_waiters+0x160/0x160 [ 383.325459] __alloc_pages_slowpath+0x2354/0x2e10 [ 383.330326] ? warn_alloc+0x120/0x120 [ 383.334121] ? mark_held_locks+0x130/0x130 [ 383.338357] ? find_get_entry+0xaae/0x1120 [ 383.342593] ? filemap_map_pages+0x1a20/0x1a20 [ 383.347171] ? zap_class+0x640/0x640 [ 383.350887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.357185] ? check_preemption_disabled+0x48/0x280 [ 383.362197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.367725] ? should_fail+0x22d/0xd01 [ 383.371611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.376708] ? zap_class+0x640/0x640 [ 383.380431] ? __lock_is_held+0xb5/0x140 [ 383.384492] ? mark_held_locks+0x130/0x130 [ 383.388725] ? lock_release+0xa00/0xa00 [ 383.392703] ? perf_trace_sched_process_exec+0x860/0x860 [ 383.398146] ? xa_load+0x2ba/0x460 [ 383.401680] ? lock_downgrade+0x900/0x900 [ 383.405827] ? __might_sleep+0x95/0x190 [ 383.409896] __alloc_pages_nodemask+0xa80/0xde0 [ 383.414586] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 383.419593] ? __page_cache_alloc+0x191/0x5c0 [ 383.424079] ? xa_load+0x2e1/0x460 [ 383.427611] ? xa_clear_mark+0x40/0x40 [ 383.431494] ? zap_class+0x640/0x640 [ 383.435210] ? zap_class+0x640/0x640 [ 383.438916] ? zap_class+0x640/0x640 [ 383.442632] ? __do_page_cache_readahead+0x663/0x810 [ 383.447730] ? find_held_lock+0x36/0x1c0 [ 383.451789] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 383.457831] alloc_pages_current+0x173/0x350 [ 383.462241] __page_cache_alloc+0x38c/0x5c0 [ 383.466558] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.471478] ? kasan_check_read+0x11/0x20 [ 383.475618] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.480897] ? generic_perform_write+0x6a0/0x6a0 [ 383.485645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.491174] ? check_preemption_disabled+0x48/0x280 [ 383.496192] filemap_fault+0x1595/0x25f0 [ 383.500260] ? __lock_page_or_retry+0xa00/0xa00 [ 383.504921] ? mark_held_locks+0x130/0x130 [ 383.509157] ? filemap_map_pages+0xd6b/0x1a20 [ 383.513644] ? lock_downgrade+0x900/0x900 [ 383.517787] ? check_preemption_disabled+0x48/0x280 [ 383.522797] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.527719] ? kasan_check_read+0x11/0x20 [ 383.531858] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.537129] ? rcu_softirq_qs+0x20/0x20 [ 383.541106] ? filemap_map_pages+0xd92/0x1a20 [ 383.545601] ? find_get_entries_tag+0x1400/0x1400 [ 383.550435] ? debug_object_destroy+0x2b0/0x2b0 [ 383.555871] ? lock_pi_update_atomic+0x150/0x150 [ 383.560640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.566184] ? lock_acquire+0x1ed/0x520 [ 383.570148] ? ext4_filemap_fault+0x7a/0xad [ 383.574464] ? lock_release+0xa00/0xa00 [ 383.578429] ? perf_trace_sched_process_exec+0x860/0x860 [ 383.583874] ? print_usage_bug+0xc0/0xc0 [ 383.587928] ? print_usage_bug+0xc0/0xc0 [ 383.591993] ? down_read+0x8d/0x120 [ 383.595609] ? ext4_filemap_fault+0x7a/0xad [ 383.599925] ? __down_interruptible+0x700/0x700 [ 383.604596] ext4_filemap_fault+0x82/0xad [ 383.608740] __do_fault+0x100/0x6b0 [ 383.612366] ? pmd_devmap_trans_unstable+0x220/0x220 [ 383.617463] ? mark_held_locks+0x130/0x130 [ 383.621695] ? mark_held_locks+0x130/0x130 [ 383.625921] ? do_raw_spin_trylock+0x270/0x270 [ 383.630505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.636039] __handle_mm_fault+0x3ea0/0x5be0 [ 383.640436] ? perf_trace_lock+0x7a0/0x7a0 [ 383.644666] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 383.649507] ? __switch_to_asm+0x34/0x70 [ 383.654565] ? __switch_to_asm+0x34/0x70 [ 383.658654] ? zap_class+0x640/0x640 [ 383.662362] ? zap_class+0x640/0x640 [ 383.666073] ? __x64_sys_futex+0x53e/0x6a0 [ 383.670313] ? find_held_lock+0x36/0x1c0 [ 383.674379] ? handle_mm_fault+0x42a/0xc70 [ 383.678610] ? lock_downgrade+0x900/0x900 [ 383.682755] ? check_preemption_disabled+0x48/0x280 [ 383.687765] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.692690] ? kasan_check_read+0x11/0x20 [ 383.696833] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.702106] ? rcu_softirq_qs+0x20/0x20 [ 383.706073] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.711171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.716701] ? check_preemption_disabled+0x48/0x280 [ 383.721717] handle_mm_fault+0x54f/0xc70 [ 383.725774] ? __handle_mm_fault+0x5be0/0x5be0 [ 383.730357] ? find_vma+0x34/0x190 [ 383.733910] __do_page_fault+0x5e8/0xe60 [ 383.737965] ? trace_hardirqs_off+0xb8/0x310 [ 383.742378] do_page_fault+0xf2/0x7e0 [ 383.746174] ? vmalloc_sync_all+0x30/0x30 [ 383.750311] ? error_entry+0x70/0xd0 [ 383.754812] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.759825] ? trace_hardirqs_on_caller+0xc0/0x310 [ 383.765023] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.769943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.774783] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.779817] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.785263] ? prepare_exit_to_usermode+0x291/0x3b0 [ 383.790278] ? page_fault+0x8/0x30 [ 383.793840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.798680] ? page_fault+0x8/0x30 [ 383.802211] page_fault+0x1e/0x30 [ 383.805656] RIP: 0033:0x45ddf3 [ 383.808848] Code: Bad RIP value. [ 383.812202] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 383.817560] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 383.824822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 383.832086] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 383.839360] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 383.846623] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 383.854902] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 383.854907] warn_alloc_show_mem: 1 callbacks suppressed [ 383.854913] Mem-Info: [ 383.861654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.867012] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 383.867012] active_file:12 inactive_file:13 isolated_file:0 [ 383.867012] unevictable:0 dirty:0 writeback:0 unstable:0 [ 383.867012] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 383.867012] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 383.867012] free:13705 free_pcp:178 free_cma:0 [ 383.869383] Call Trace: [ 383.878754] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 383.911608] dump_stack+0x244/0x39d [ 383.914160] Node 0 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 [ 383.942039] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.945649] lowmem_reserve[]: 0 2818 6321 6321 [ 383.972092] warn_alloc.cold.116+0xb7/0x1bd [ 383.977244] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 383.981814] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.986100] lowmem_reserve[]: 0 0 3503 3503 [ 384.013586] ? lock_downgrade+0x900/0x900 [ 384.018394] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 384.022707] ? trace_hardirqs_off+0xb8/0x310 [ 384.026821] lowmem_reserve[]: 0 0 0 0 [ 384.056155] ? trace_hardirqs_off+0xb8/0x310 [ 384.060548] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 384.064342] __alloc_pages_slowpath+0x26e8/0x2e10 [ 384.068714] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 384.082243] ? warn_alloc+0x120/0x120 [ 384.087037] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 384.102295] ? print_usage_bug+0xc0/0xc0 [ 384.106065] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 384.120257] ? warn_alloc+0x120/0x120 [ 384.124299] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 384.133116] ? warn_alloc+0x120/0x120 [ 384.136889] 366 total pagecache pages [ 384.145443] ? print_usage_bug+0xc0/0xc0 [ 384.149219] 0 pages in swap cache [ 384.153216] ? print_usage_bug+0xc0/0xc0 [ 384.157249] Swap cache stats: add 0, delete 0, find 0/0 [ 384.160686] ? __lock_acquire+0x62f/0x4c20 [ 384.164720] Free swap = 0kB [ 384.170068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.174282] Total swap = 0kB [ 384.177296] ? should_fail+0x22d/0xd01 [ 384.182809] 1965979 pages RAM [ 384.185813] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.189671] 0 pages HighMem/MovableOnly [ 384.192762] ? __lock_acquire+0x62f/0x4c20 [ 384.197830] 342854 pages reserved [ 384.197837] 0 pages cma reserved [ 384.201799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.206055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.209434] ? __lock_acquire+0x62f/0x4c20 [ 384.209448] ? should_fail+0x22d/0xd01 [ 384.213478] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.218497] ? find_held_lock+0x36/0x1c0 [ 384.224958] syz-fuzzer cpuset=/ mems_allowed=0 [ 384.229180] ? mark_held_locks+0x130/0x130 [ 384.256431] ? mark_held_locks+0x130/0x130 [ 384.260657] ? zap_class+0x640/0x640 [ 384.264366] ? mark_held_locks+0xc7/0x130 [ 384.268501] ? do_raw_spin_unlock+0xa7/0x330 [ 384.272918] ? zap_class+0x640/0x640 [ 384.276628] ? print_usage_bug+0xc0/0xc0 [ 384.280700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.286231] ? check_preemption_disabled+0x48/0x280 [ 384.291279] ? __lock_is_held+0xb5/0x140 [ 384.295339] __alloc_pages_nodemask+0xa80/0xde0 [ 384.300003] ? zap_class+0x640/0x640 [ 384.303717] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 384.308734] ? find_held_lock+0x36/0x1c0 [ 384.312808] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.317469] ? lock_downgrade+0x900/0x900 [ 384.321704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.327237] cache_grow_begin+0xa5/0x8c0 [ 384.331300] ? do_raw_spin_unlock+0xa7/0x330 [ 384.335707] fallback_alloc+0x204/0x2e0 [ 384.339684] ____cache_alloc_node+0x1c7/0x1e0 [ 384.344177] kmem_cache_alloc_node+0xe3/0x730 [ 384.348668] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.353170] __alloc_skb+0x119/0x770 [ 384.356876] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.362150] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.366553] ? lock_downgrade+0x900/0x900 [ 384.370701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.376233] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.381690] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.387134] ? addrconf_rs_timer+0x690/0x690 [ 384.391545] ndisc_alloc_skb+0x144/0x340 [ 384.395604] ndisc_send_rs+0x331/0x6e0 [ 384.399494] addrconf_rs_timer+0x314/0x690 [ 384.403730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.407967] call_timer_fn+0x272/0x920 [ 384.411844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.416156] ? process_timeout+0x40/0x40 [ 384.420214] ? __run_timers+0x7da/0xc70 [ 384.424185] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.428666] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.433153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.437403] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.441981] ? trace_hardirqs_on+0xbd/0x310 [ 384.446292] ? kasan_check_read+0x11/0x20 [ 384.450428] ? __run_timers+0x7da/0xc70 [ 384.454742] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.459841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.464070] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.468300] __run_timers+0x7e5/0xc70 [ 384.472104] ? timer_fixup_init+0x70/0x70 [ 384.476250] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.480745] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.485249] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 384.489829] ? trace_hardirqs_on+0xbd/0x310 [ 384.494145] ? kasan_check_read+0x11/0x20 [ 384.498296] ? finish_task_switch+0x1f4/0x910 [ 384.502784] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.507880] ? compat_start_thread+0x80/0x80 [ 384.512303] ? pvclock_read_flags+0x160/0x160 [ 384.516792] ? __switch_to_asm+0x34/0x70 [ 384.520847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.526381] ? check_preemption_disabled+0x48/0x280 [ 384.531401] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 384.536934] ? rcu_pm_notify+0xc0/0xc0 [ 384.540813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.546342] ? check_preemption_disabled+0x48/0x280 [ 384.551360] run_timer_softirq+0x52/0xb0 [ 384.555765] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.560776] __do_softirq+0x308/0xb7e [ 384.564575] ? trace_hardirqs_on_caller+0xc0/0x310 [ 384.569502] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.574598] ? trace_hardirqs_on+0x310/0x310 [ 384.579004] ? schedule+0x108/0x460 [ 384.582631] ? trace_hardirqs_off+0xb8/0x310 [ 384.587035] ? smpboot_thread_fn+0x68b/0xa00 [ 384.591439] ? trace_hardirqs_on+0x310/0x310 [ 384.595845] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.601378] ? check_preemption_disabled+0x48/0x280 [ 384.606390] ? takeover_tasklets+0xa90/0xa90 [ 384.610804] run_ksoftirqd+0x5e/0x100 [ 384.614599] smpboot_thread_fn+0x68b/0xa00 [ 384.618830] ? sort_range+0x30/0x30 [ 384.622448] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.627546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.633077] ? __kthread_parkme+0xfb/0x1a0 [ 384.637308] ? sort_range+0x30/0x30 [ 384.640926] kthread+0x35a/0x440 [ 384.644287] ? kthread_stop+0x900/0x900 [ 384.648260] ret_from_fork+0x3a/0x50 [ 384.651983] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 384.652063] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.659869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.666427] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.675670] Call Trace: [ 384.685955] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 384.688516] [ 384.695305] dump_stack+0x244/0x39d [ 384.698929] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.704123] warn_alloc.cold.116+0xb7/0x1bd [ 384.708443] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.713284] ? lock_downgrade+0x900/0x900 [ 384.717437] ? trace_hardirqs_off+0xb8/0x310 [ 384.721855] ? trace_hardirqs_off+0xb8/0x310 [ 384.726265] __alloc_pages_slowpath+0x26e8/0x2e10 [ 384.731126] ? warn_alloc+0x120/0x120 [ 384.734922] ? print_usage_bug+0xc0/0xc0 [ 384.738996] ? warn_alloc+0x120/0x120 [ 384.742791] ? warn_alloc+0x120/0x120 [ 384.746585] ? print_usage_bug+0xc0/0xc0 [ 384.750652] ? kvm_clock_read+0x18/0x30 [ 384.755615] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 384.760623] ? print_usage_bug+0xc0/0xc0 [ 384.764676] ? __lock_acquire+0x62f/0x4c20 [ 384.768904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.774427] ? should_fail+0x22d/0xd01 [ 384.778303] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.783575] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.788668] ? __lock_acquire+0x62f/0x4c20 [ 384.792894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.797989] ? __lock_acquire+0x62f/0x4c20 [ 384.802226] ? should_fail+0x22d/0xd01 [ 384.806107] ? rcu_irq_exit+0x1a2/0x390 [ 384.810101] ? mark_held_locks+0x130/0x130 [ 384.814330] ? mark_held_locks+0x130/0x130 [ 384.818562] ? mark_held_locks+0xc7/0x130 [ 384.822707] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 384.827743] ? zap_class+0x640/0x640 [ 384.831449] ? print_usage_bug+0xc0/0xc0 [ 384.835502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.841029] ? check_preemption_disabled+0x48/0x280 [ 384.846062] ? __lock_is_held+0xb5/0x140 [ 384.850122] __alloc_pages_nodemask+0xa80/0xde0 [ 384.855609] ? zap_class+0x640/0x640 [ 384.859337] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 384.864351] ? find_held_lock+0x36/0x1c0 [ 384.868410] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.873076] ? lock_downgrade+0x900/0x900 [ 384.877231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.882765] cache_grow_begin+0xa5/0x8c0 [ 384.886823] ? do_raw_spin_unlock+0xa7/0x330 [ 384.891236] fallback_alloc+0x204/0x2e0 [ 384.895217] ____cache_alloc_node+0x1c7/0x1e0 [ 384.899711] kmem_cache_alloc_node+0xe3/0x730 [ 384.904206] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.908458] __alloc_skb+0x119/0x770 [ 384.912163] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.917436] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.921835] ? lock_downgrade+0x900/0x900 [ 384.925994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.931523] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.936968] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.942427] ? addrconf_rs_timer+0x690/0x690 [ 384.946843] ndisc_alloc_skb+0x144/0x340 [ 384.950902] ndisc_send_rs+0x331/0x6e0 [ 384.955302] addrconf_rs_timer+0x314/0x690 [ 384.959538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.963771] call_timer_fn+0x272/0x920 [ 384.967652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.971877] ? process_timeout+0x40/0x40 [ 384.975944] ? mark_held_locks+0xc7/0x130 [ 384.980086] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.984569] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.989055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.993296] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.997883] ? trace_hardirqs_on+0xbd/0x310 [ 385.002192] ? kasan_check_read+0x11/0x20 [ 385.006340] ? __run_timers+0x7da/0xc70 [ 385.010307] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.015420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.019689] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.023909] __run_timers+0x7e5/0xc70 [ 385.027709] ? timer_fixup_init+0x70/0x70 [ 385.031856] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.036862] ? zap_class+0x640/0x640 [ 385.040573] ? print_usage_bug+0xc0/0xc0 [ 385.044630] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.049828] ? find_held_lock+0x36/0x1c0 [ 385.054638] ? zap_class+0x640/0x640 [ 385.058346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.063878] ? check_preemption_disabled+0x48/0x280 [ 385.068986] ? __lock_is_held+0xb5/0x140 [ 385.073037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.078577] ? check_preemption_disabled+0x48/0x280 [ 385.083584] run_timer_softirq+0x52/0xb0 [ 385.087637] ? rcu_read_lock_sched_held+0x14f/0x180 [ 385.092646] __do_softirq+0x308/0xb7e [ 385.096444] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 385.100932] ? lock_downgrade+0x900/0x900 [ 385.105076] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 385.110173] ? pvclock_read_flags+0x160/0x160 [ 385.114671] ? lapic_next_event+0x5a/0x90 [ 385.118811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.124343] ? kvm_clock_read+0x18/0x30 [ 385.128427] ? kvm_sched_clock_read+0x9/0x20 [ 385.132826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.138349] ? check_preemption_disabled+0x48/0x280 [ 385.143360] irq_exit+0x17f/0x1c0 [ 385.146806] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.151636] ? smp_reschedule_interrupt+0x109/0x650 [ 385.157414] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.163285] ? interrupt_entry+0xb5/0xc0 [ 385.167339] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.172345] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.177359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.182201] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.187214] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.192227] ? task_prio+0x50/0x50 [ 385.195764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.201295] ? check_preemption_disabled+0x48/0x280 [ 385.206312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.211151] apic_timer_interrupt+0xf/0x20 [ 385.215374] [ 385.217620] RIP: 0010:dump_stack+0x358/0x39d [ 385.222022] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 385.240910] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 385.248611] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 385.256629] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 385.263892] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 385.271152] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 385.278410] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 385.285686] ? dump_stack+0x34f/0x39d [ 385.289493] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.294681] ? mark_held_locks+0x130/0x130 [ 385.298906] ? mark_held_locks+0x130/0x130 [ 385.303132] dump_header+0x27b/0xf72 [ 385.306850] ? pagefault_out_of_memory+0x197/0x197 [ 385.311775] ? __lock_acquire+0x62f/0x4c20 [ 385.315998] ? percpu_ref_get_many+0x240/0x240 [ 385.320594] ? print_usage_bug+0xc0/0xc0 [ 385.324654] ? zap_class+0x640/0x640 [ 385.328365] ? print_usage_bug+0xc0/0xc0 [ 385.332416] ? print_usage_bug+0xc0/0xc0 [ 385.336476] ? zap_class+0x640/0x640 [ 385.340191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.345732] ? find_held_lock+0x36/0x1c0 [ 385.349794] ? mark_held_locks+0xc7/0x130 [ 385.354710] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.359804] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.364902] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 385.369493] ? trace_hardirqs_on+0xbd/0x310 [ 385.373808] ? kasan_check_read+0x11/0x20 [ 385.377954] ? ___ratelimit+0x3b4/0x672 [ 385.381924] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.387021] ? trace_hardirqs_on+0x310/0x310 [ 385.391429] ? lock_downgrade+0x900/0x900 [ 385.395573] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.400667] ? ___ratelimit+0x3b9/0x672 [ 385.404640] ? idr_get_free+0xf70/0xf70 [ 385.408607] ? find_held_lock+0x36/0x1c0 [ 385.412667] oom_kill_process.cold.27+0x10/0x903 [ 385.417418] ? zap_class+0x640/0x640 [ 385.421123] ? check_preemption_disabled+0x48/0x280 [ 385.426136] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.431057] ? kasan_check_read+0x11/0x20 [ 385.435205] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.440481] ? oom_evaluate_task+0x540/0x540 [ 385.444888] ? find_held_lock+0x36/0x1c0 [ 385.448955] ? out_of_memory+0x974/0x1430 [ 385.453096] ? lock_downgrade+0x900/0x900 [ 385.458038] ? check_preemption_disabled+0x48/0x280 [ 385.463049] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.467968] ? kasan_check_read+0x11/0x20 [ 385.472109] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.477379] ? rcu_softirq_qs+0x20/0x20 [ 385.481346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.486875] ? oom_evaluate_task+0x302/0x540 [ 385.491281] out_of_memory+0xa84/0x1430 [ 385.495255] ? oom_killer_disable+0x3a0/0x3a0 [ 385.499748] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 385.504674] ? __ww_mutex_check_waiters+0x160/0x160 [ 385.509711] __alloc_pages_slowpath+0x2354/0x2e10 [ 385.514571] ? warn_alloc+0x120/0x120 [ 385.518365] ? mark_held_locks+0x130/0x130 [ 385.522594] ? find_get_entry+0xaae/0x1120 [ 385.526834] ? filemap_map_pages+0x1a20/0x1a20 [ 385.531430] ? zap_class+0x640/0x640 [ 385.535143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.540679] ? check_preemption_disabled+0x48/0x280 [ 385.545694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.551225] ? should_fail+0x22d/0xd01 [ 385.555867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.560967] ? zap_class+0x640/0x640 [ 385.564699] ? __lock_is_held+0xb5/0x140 [ 385.568771] ? mark_held_locks+0x130/0x130 [ 385.572999] ? lock_release+0xa00/0xa00 [ 385.576990] ? perf_trace_sched_process_exec+0x860/0x860 [ 385.582431] ? xa_load+0x2ba/0x460 [ 385.585966] ? lock_downgrade+0x900/0x900 [ 385.590106] ? __might_sleep+0x95/0x190 [ 385.594073] __alloc_pages_nodemask+0xa80/0xde0 [ 385.598741] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 385.603753] ? __page_cache_alloc+0x191/0x5c0 [ 385.608247] ? xa_load+0x2e1/0x460 [ 385.611783] ? xa_clear_mark+0x40/0x40 [ 385.615667] ? zap_class+0x640/0x640 [ 385.619468] ? zap_class+0x640/0x640 [ 385.623182] ? zap_class+0x640/0x640 [ 385.626891] ? __do_page_cache_readahead+0x663/0x810 [ 385.631989] ? find_held_lock+0x36/0x1c0 [ 385.636045] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 385.641580] alloc_pages_current+0x173/0x350 [ 385.645984] __page_cache_alloc+0x38c/0x5c0 [ 385.650295] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.656029] ? kasan_check_read+0x11/0x20 [ 385.660176] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.665448] ? generic_perform_write+0x6a0/0x6a0 [ 385.670201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.675732] ? check_preemption_disabled+0x48/0x280 [ 385.680747] filemap_fault+0x1595/0x25f0 [ 385.684815] ? __lock_page_or_retry+0xa00/0xa00 [ 385.689483] ? mark_held_locks+0x130/0x130 [ 385.693712] ? filemap_map_pages+0xd6b/0x1a20 [ 385.698199] ? lock_downgrade+0x900/0x900 [ 385.702359] ? check_preemption_disabled+0x48/0x280 [ 385.707366] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.712288] ? kasan_check_read+0x11/0x20 [ 385.716427] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.721696] ? rcu_softirq_qs+0x20/0x20 [ 385.725700] ? filemap_map_pages+0xd92/0x1a20 [ 385.730199] ? find_get_entries_tag+0x1400/0x1400 [ 385.735036] ? debug_object_destroy+0x2b0/0x2b0 [ 385.739714] ? lock_pi_update_atomic+0x150/0x150 [ 385.744476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.750014] ? lock_acquire+0x1ed/0x520 [ 385.754494] ? ext4_filemap_fault+0x7a/0xad [ 385.758822] ? lock_release+0xa00/0xa00 [ 385.763008] ? perf_trace_sched_process_exec+0x860/0x860 [ 385.768461] ? print_usage_bug+0xc0/0xc0 [ 385.772513] ? print_usage_bug+0xc0/0xc0 [ 385.776578] ? down_read+0x8d/0x120 [ 385.780202] ? ext4_filemap_fault+0x7a/0xad [ 385.784518] ? __down_interruptible+0x700/0x700 [ 385.789190] ext4_filemap_fault+0x82/0xad [ 385.793331] __do_fault+0x100/0x6b0 [ 385.796954] ? pmd_devmap_trans_unstable+0x220/0x220 [ 385.802055] ? mark_held_locks+0x130/0x130 [ 385.806288] ? mark_held_locks+0x130/0x130 [ 385.810515] ? do_raw_spin_trylock+0x270/0x270 [ 385.815096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.820627] __handle_mm_fault+0x3ea0/0x5be0 [ 385.825029] ? perf_trace_lock+0x7a0/0x7a0 [ 385.829265] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 385.834104] ? __switch_to_asm+0x34/0x70 [ 385.838163] ? __switch_to_asm+0x34/0x70 [ 385.842238] ? zap_class+0x640/0x640 [ 385.845945] ? zap_class+0x640/0x640 [ 385.849649] ? __x64_sys_futex+0x53e/0x6a0 [ 385.854809] ? find_held_lock+0x36/0x1c0 [ 385.858869] ? handle_mm_fault+0x42a/0xc70 [ 385.863101] ? lock_downgrade+0x900/0x900 [ 385.867243] ? check_preemption_disabled+0x48/0x280 [ 385.872269] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.877278] ? kasan_check_read+0x11/0x20 [ 385.881421] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.886694] ? rcu_softirq_qs+0x20/0x20 [ 385.890666] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.895762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.901291] ? check_preemption_disabled+0x48/0x280 [ 385.906306] handle_mm_fault+0x54f/0xc70 [ 385.910364] ? __handle_mm_fault+0x5be0/0x5be0 [ 385.914941] ? find_vma+0x34/0x190 [ 385.918563] __do_page_fault+0x5e8/0xe60 [ 385.922617] ? trace_hardirqs_off+0xb8/0x310 [ 385.927029] do_page_fault+0xf2/0x7e0 [ 385.931294] ? vmalloc_sync_all+0x30/0x30 [ 385.935434] ? error_entry+0x70/0xd0 [ 385.939149] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.944159] ? trace_hardirqs_on_caller+0xc0/0x310 [ 385.949076] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.954796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.959639] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.964664] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.970115] ? prepare_exit_to_usermode+0x291/0x3b0 [ 385.975148] ? page_fault+0x8/0x30 [ 385.978692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.983527] ? page_fault+0x8/0x30 [ 385.987065] page_fault+0x1e/0x30 [ 385.990704] RIP: 0033:0x45ddf3 [ 385.993908] Code: Bad RIP value. [ 385.997264] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 386.002623] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 386.009879] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 386.017142] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 386.024399] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 386.031661] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 386.039032] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 386.039037] warn_alloc_show_mem: 1 callbacks suppressed [ 386.039042] Mem-Info: [ 386.045782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.051154] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 386.051154] active_file:12 inactive_file:13 isolated_file:0 [ 386.051154] unevictable:0 dirty:0 writeback:0 unstable:0 [ 386.051154] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 386.051154] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 386.051154] free:13705 free_pcp:178 free_cma:0 [ 386.053683] Call Trace: [ 386.053715] dump_stack+0x244/0x39d [ 386.053726] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.053743] warn_alloc.cold.116+0xb7/0x1bd [ 386.053752] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.053764] ? lock_downgrade+0x900/0x900 [ 386.053776] ? trace_hardirqs_off+0xb8/0x310 [ 386.053788] ? trace_hardirqs_off+0xb8/0x310 [ 386.053801] __alloc_pages_slowpath+0x26e8/0x2e10 [ 386.053824] ? warn_alloc+0x120/0x120 [ 386.053834] ? print_usage_bug+0xc0/0xc0 [ 386.053842] ? warn_alloc+0x120/0x120 [ 386.053853] ? warn_alloc+0x120/0x120 [ 386.053862] ? print_usage_bug+0xc0/0xc0 [ 386.053873] ? print_usage_bug+0xc0/0xc0 [ 386.053882] ? __lock_acquire+0x62f/0x4c20 [ 386.053895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.053905] ? should_fail+0x22d/0xd01 [ 386.053916] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.053925] ? __lock_acquire+0x62f/0x4c20 [ 386.053935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.053943] ? __lock_acquire+0x62f/0x4c20 [ 386.053950] ? should_fail+0x22d/0xd01 [ 386.053958] ? find_held_lock+0x36/0x1c0 [ 386.053970] ? mark_held_locks+0x130/0x130 [ 386.053981] ? mark_held_locks+0x130/0x130 [ 386.053988] ? zap_class+0x640/0x640 [ 386.053999] ? mark_held_locks+0xc7/0x130 [ 386.054006] ? do_raw_spin_unlock+0xa7/0x330 [ 386.054014] ? zap_class+0x640/0x640 [ 386.054022] ? print_usage_bug+0xc0/0xc0 [ 386.054033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.054044] ? check_preemption_disabled+0x48/0x280 [ 386.054058] ? __lock_is_held+0xb5/0x140 [ 386.054069] __alloc_pages_nodemask+0xa80/0xde0 [ 386.054076] ? zap_class+0x640/0x640 [ 386.054087] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 386.054114] ? find_held_lock+0x36/0x1c0 [ 386.054128] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.054145] ? lock_downgrade+0x900/0x900 [ 386.054175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.063539] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 386.096482] cache_grow_begin+0xa5/0x8c0 [ 386.099036] Node 0 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 [ 386.102652] ? do_raw_spin_unlock+0xa7/0x330 [ 386.107904] lowmem_reserve[]: 0 2818 6321 6321 [ 386.112221] fallback_alloc+0x204/0x2e0 [ 386.117028] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 386.121172] ____cache_alloc_node+0x1c7/0x1e0 [ 386.125544] lowmem_reserve[]: 0 0 3503 3503 [ 386.129940] kmem_cache_alloc_node+0xe3/0x730 [ 386.134836] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 386.138627] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.142654] lowmem_reserve[]: 0 0 0 0 [ 386.146456] __alloc_skb+0x119/0x770 [ 386.150221] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 386.154553] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.158598] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 386.162825] ? netdev_alloc_frag+0x1f0/0x1f0 [ 386.168331] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 386.172207] ? lock_downgrade+0x900/0x900 [ 386.177284] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 386.181497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.186572] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 386.190789] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.194648] 366 total pagecache pages [ 386.198688] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.202899] 0 pages in swap cache [ 386.207108] ? addrconf_rs_timer+0x690/0x690 [ 386.210793] Swap cache stats: add 0, delete 0, find 0/0 [ 386.214931] ndisc_alloc_skb+0x144/0x340 [ 386.219304] Free swap = 0kB [ 386.223001] ndisc_send_rs+0x331/0x6e0 [ 386.227033] Total swap = 0kB [ 386.232556] addrconf_rs_timer+0x314/0x690 [ 386.237543] 1965979 pages RAM [ 386.241585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.246222] 0 pages HighMem/MovableOnly [ 386.249929] call_timer_fn+0x272/0x920 [ 386.255636] 342854 pages reserved [ 386.255645] 0 pages cma reserved [ 386.259687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.264377] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.268457] ? process_timeout+0x40/0x40 [ 386.274047] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.301634] ? __run_timers+0x7da/0xc70 [ 386.305670] syz-fuzzer cpuset=/ mems_allowed=0 [ 386.331761] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.612387] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.616880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.621140] ? lockdep_hardirqs_on+0x296/0x5b0 [ 386.625715] ? trace_hardirqs_on+0xbd/0x310 [ 386.630028] ? kasan_check_read+0x11/0x20 [ 386.634170] ? __run_timers+0x7da/0xc70 [ 386.638141] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.643238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.647488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.651712] __run_timers+0x7e5/0xc70 [ 386.655869] ? timer_fixup_init+0x70/0x70 [ 386.660009] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.664495] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.668986] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 386.673577] ? trace_hardirqs_on+0xbd/0x310 [ 386.677893] ? kasan_check_read+0x11/0x20 [ 386.682035] ? finish_task_switch+0x1f4/0x910 [ 386.686524] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.691619] ? compat_start_thread+0x80/0x80 [ 386.696036] ? pvclock_read_flags+0x160/0x160 [ 386.700522] ? __switch_to_asm+0x34/0x70 [ 386.704581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.710121] ? check_preemption_disabled+0x48/0x280 [ 386.715151] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 386.720683] ? rcu_pm_notify+0xc0/0xc0 [ 386.724562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.730102] ? check_preemption_disabled+0x48/0x280 [ 386.735133] run_timer_softirq+0x52/0xb0 [ 386.739189] ? rcu_read_lock_sched_held+0x14f/0x180 [ 386.744194] __do_softirq+0x308/0xb7e [ 386.748002] ? trace_hardirqs_on_caller+0xc0/0x310 [ 386.752923] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.758355] ? trace_hardirqs_on+0x310/0x310 [ 386.762774] ? schedule+0x108/0x460 [ 386.766404] ? trace_hardirqs_off+0xb8/0x310 [ 386.770814] ? smpboot_thread_fn+0x68b/0xa00 [ 386.775217] ? trace_hardirqs_on+0x310/0x310 [ 386.779616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.785166] ? check_preemption_disabled+0x48/0x280 [ 386.790179] ? takeover_tasklets+0xa90/0xa90 [ 386.794601] run_ksoftirqd+0x5e/0x100 [ 386.798395] smpboot_thread_fn+0x68b/0xa00 [ 386.802625] ? sort_range+0x30/0x30 [ 386.806250] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.811367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.816906] ? __kthread_parkme+0xfb/0x1a0 [ 386.821134] ? sort_range+0x30/0x30 [ 386.824755] kthread+0x35a/0x440 [ 386.828123] ? kthread_stop+0x900/0x900 [ 386.832105] ret_from_fork+0x3a/0x50 [ 386.835832] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 386.835898] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.842751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.842756] Call Trace: [ 386.842762] [ 386.842778] dump_stack+0x244/0x39d [ 386.842796] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.849322] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.858985] warn_alloc.cold.116+0xb7/0x1bd [ 386.861530] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 386.863667] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.896514] ? lock_downgrade+0x900/0x900 [ 386.900660] ? trace_hardirqs_off+0xb8/0x310 [ 386.905069] ? trace_hardirqs_off+0xb8/0x310 [ 386.909480] __alloc_pages_slowpath+0x26e8/0x2e10 [ 386.914340] ? warn_alloc+0x120/0x120 [ 386.918145] ? print_usage_bug+0xc0/0xc0 [ 386.922203] ? warn_alloc+0x120/0x120 [ 386.925997] ? warn_alloc+0x120/0x120 [ 386.929789] ? print_usage_bug+0xc0/0xc0 [ 386.933857] ? kvm_clock_read+0x18/0x30 [ 386.937821] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 386.942834] ? print_usage_bug+0xc0/0xc0 [ 386.947063] ? __lock_acquire+0x62f/0x4c20 [ 386.951300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.957623] ? should_fail+0x22d/0xd01 [ 386.961504] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.966866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.971957] ? __lock_acquire+0x62f/0x4c20 [ 386.976189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.981283] ? __lock_acquire+0x62f/0x4c20 [ 386.985519] ? should_fail+0x22d/0xd01 [ 386.989397] ? rcu_irq_exit+0x1a2/0x390 [ 386.993367] ? mark_held_locks+0x130/0x130 [ 386.997598] ? mark_held_locks+0x130/0x130 [ 387.001946] ? mark_held_locks+0xc7/0x130 [ 387.006092] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 387.011104] ? zap_class+0x640/0x640 [ 387.014809] ? print_usage_bug+0xc0/0xc0 [ 387.018860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.024386] ? check_preemption_disabled+0x48/0x280 [ 387.029408] ? __lock_is_held+0xb5/0x140 [ 387.033468] __alloc_pages_nodemask+0xa80/0xde0 [ 387.038128] ? zap_class+0x640/0x640 [ 387.041841] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 387.046858] ? find_held_lock+0x36/0x1c0 [ 387.050920] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.055893] ? lock_downgrade+0x900/0x900 [ 387.060038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.065568] cache_grow_begin+0xa5/0x8c0 [ 387.069622] ? do_raw_spin_unlock+0xa7/0x330 [ 387.074123] fallback_alloc+0x204/0x2e0 [ 387.078107] ____cache_alloc_node+0x1c7/0x1e0 [ 387.082606] kmem_cache_alloc_node+0xe3/0x730 [ 387.087098] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.091340] __alloc_skb+0x119/0x770 [ 387.095044] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.100409] ? netdev_alloc_frag+0x1f0/0x1f0 [ 387.104808] ? lock_downgrade+0x900/0x900 [ 387.108951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.114478] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.119919] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.125362] ? addrconf_rs_timer+0x690/0x690 [ 387.129775] ndisc_alloc_skb+0x144/0x340 [ 387.133846] ndisc_send_rs+0x331/0x6e0 [ 387.137729] addrconf_rs_timer+0x314/0x690 [ 387.141964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.146200] call_timer_fn+0x272/0x920 [ 387.150093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.154842] ? process_timeout+0x40/0x40 [ 387.158898] ? mark_held_locks+0xc7/0x130 [ 387.163042] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.167534] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.172034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.176264] ? lockdep_hardirqs_on+0x296/0x5b0 [ 387.180859] ? trace_hardirqs_on+0xbd/0x310 [ 387.185181] ? kasan_check_read+0x11/0x20 [ 387.189319] ? __run_timers+0x7da/0xc70 [ 387.193287] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.198384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.202618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.206840] __run_timers+0x7e5/0xc70 [ 387.210651] ? timer_fixup_init+0x70/0x70 [ 387.214798] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.219896] ? zap_class+0x640/0x640 [ 387.223613] ? print_usage_bug+0xc0/0xc0 [ 387.227666] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 387.232855] ? find_held_lock+0x36/0x1c0 [ 387.236913] ? zap_class+0x640/0x640 [ 387.240626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.246164] ? check_preemption_disabled+0x48/0x280 [ 387.251183] ? __lock_is_held+0xb5/0x140 [ 387.255715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.261244] ? check_preemption_disabled+0x48/0x280 [ 387.266258] run_timer_softirq+0x52/0xb0 [ 387.270313] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.275359] __do_softirq+0x308/0xb7e [ 387.279166] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 387.283652] ? lock_downgrade+0x900/0x900 [ 387.287799] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.292899] ? pvclock_read_flags+0x160/0x160 [ 387.297387] ? lapic_next_event+0x5a/0x90 [ 387.301531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.307066] ? kvm_clock_read+0x18/0x30 [ 387.311047] ? kvm_sched_clock_read+0x9/0x20 [ 387.315460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.320989] ? check_preemption_disabled+0x48/0x280 [ 387.326003] irq_exit+0x17f/0x1c0 [ 387.329450] smp_apic_timer_interrupt+0x1cb/0x760 [ 387.334289] ? smp_reschedule_interrupt+0x109/0x650 [ 387.339299] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.345173] ? interrupt_entry+0xb5/0xc0 [ 387.349231] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.354790] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.359801] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.364638] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.369646] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.374658] ? task_prio+0x50/0x50 [ 387.378191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.383723] ? check_preemption_disabled+0x48/0x280 [ 387.388734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.393581] apic_timer_interrupt+0xf/0x20 [ 387.397801] [ 387.400031] RIP: 0010:dump_stack+0x358/0x39d [ 387.404438] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 387.423328] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 387.431062] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 387.438323] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 387.445584] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 387.452843] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 387.460870] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 387.468149] ? dump_stack+0x34f/0x39d [ 387.471951] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.477134] ? mark_held_locks+0x130/0x130 [ 387.481361] ? mark_held_locks+0x130/0x130 [ 387.485595] dump_header+0x27b/0xf72 [ 387.489312] ? pagefault_out_of_memory+0x197/0x197 [ 387.494239] ? __lock_acquire+0x62f/0x4c20 [ 387.498478] ? percpu_ref_get_many+0x240/0x240 [ 387.503058] ? print_usage_bug+0xc0/0xc0 [ 387.507117] ? zap_class+0x640/0x640 [ 387.510822] ? print_usage_bug+0xc0/0xc0 [ 387.514878] ? print_usage_bug+0xc0/0xc0 [ 387.518931] ? zap_class+0x640/0x640 [ 387.522639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.528173] ? find_held_lock+0x36/0x1c0 [ 387.532243] ? mark_held_locks+0xc7/0x130 [ 387.536384] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 387.541476] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 387.546658] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 387.551249] ? trace_hardirqs_on+0xbd/0x310 [ 387.556341] ? kasan_check_read+0x11/0x20 [ 387.560476] ? ___ratelimit+0x3b4/0x672 [ 387.564442] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.569538] ? trace_hardirqs_on+0x310/0x310 [ 387.573951] ? lock_downgrade+0x900/0x900 [ 387.578109] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 387.583204] ? ___ratelimit+0x3b9/0x672 [ 387.587174] ? idr_get_free+0xf70/0xf70 [ 387.591139] ? find_held_lock+0x36/0x1c0 [ 387.595204] oom_kill_process.cold.27+0x10/0x903 [ 387.599952] ? zap_class+0x640/0x640 [ 387.603659] ? check_preemption_disabled+0x48/0x280 [ 387.608668] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.613592] ? kasan_check_read+0x11/0x20 [ 387.617731] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.623002] ? oom_evaluate_task+0x540/0x540 [ 387.627415] ? find_held_lock+0x36/0x1c0 [ 387.631476] ? out_of_memory+0x974/0x1430 [ 387.635618] ? lock_downgrade+0x900/0x900 [ 387.639757] ? check_preemption_disabled+0x48/0x280 [ 387.644763] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.649687] ? kasan_check_read+0x11/0x20 [ 387.654289] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.659573] ? rcu_softirq_qs+0x20/0x20 [ 387.663541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.669159] ? oom_evaluate_task+0x302/0x540 [ 387.673569] out_of_memory+0xa84/0x1430 [ 387.677552] ? oom_killer_disable+0x3a0/0x3a0 [ 387.682063] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 387.686986] ? __ww_mutex_check_waiters+0x160/0x160 [ 387.692026] __alloc_pages_slowpath+0x2354/0x2e10 [ 387.696890] ? warn_alloc+0x120/0x120 [ 387.700694] ? mark_held_locks+0x130/0x130 [ 387.705015] ? find_get_entry+0xaae/0x1120 [ 387.709268] ? filemap_map_pages+0x1a20/0x1a20 [ 387.713845] ? zap_class+0x640/0x640 [ 387.717564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.723095] ? check_preemption_disabled+0x48/0x280 [ 387.728106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.733657] ? should_fail+0x22d/0xd01 [ 387.737548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.742648] ? zap_class+0x640/0x640 [ 387.746378] ? __lock_is_held+0xb5/0x140 [ 387.750439] ? mark_held_locks+0x130/0x130 [ 387.755643] ? lock_release+0xa00/0xa00 [ 387.759616] ? perf_trace_sched_process_exec+0x860/0x860 [ 387.765335] ? xa_load+0x2ba/0x460 [ 387.768868] ? lock_downgrade+0x900/0x900 [ 387.773018] ? __might_sleep+0x95/0x190 [ 387.777004] __alloc_pages_nodemask+0xa80/0xde0 [ 387.781681] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 387.786689] ? __page_cache_alloc+0x191/0x5c0 [ 387.791173] ? xa_load+0x2e1/0x460 [ 387.794709] ? xa_clear_mark+0x40/0x40 [ 387.798592] ? zap_class+0x640/0x640 [ 387.802307] ? zap_class+0x640/0x640 [ 387.806014] ? zap_class+0x640/0x640 [ 387.809732] ? __do_page_cache_readahead+0x663/0x810 [ 387.814831] ? find_held_lock+0x36/0x1c0 [ 387.818895] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 387.824429] alloc_pages_current+0x173/0x350 [ 387.828844] __page_cache_alloc+0x38c/0x5c0 [ 387.833161] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.838082] ? kasan_check_read+0x11/0x20 [ 387.842322] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.847591] ? generic_perform_write+0x6a0/0x6a0 [ 387.852341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.858848] ? check_preemption_disabled+0x48/0x280 [ 387.863864] filemap_fault+0x1595/0x25f0 [ 387.867936] ? __lock_page_or_retry+0xa00/0xa00 [ 387.872598] ? mark_held_locks+0x130/0x130 [ 387.876836] ? filemap_map_pages+0xd6b/0x1a20 [ 387.881325] ? lock_downgrade+0x900/0x900 [ 387.885465] ? check_preemption_disabled+0x48/0x280 [ 387.890479] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.895404] ? kasan_check_read+0x11/0x20 [ 387.899549] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.904825] ? rcu_softirq_qs+0x20/0x20 [ 387.908803] ? filemap_map_pages+0xd92/0x1a20 [ 387.913306] ? find_get_entries_tag+0x1400/0x1400 [ 387.918243] ? debug_object_destroy+0x2b0/0x2b0 [ 387.922906] ? lock_pi_update_atomic+0x150/0x150 [ 387.927655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.933697] ? lock_acquire+0x1ed/0x520 [ 387.937665] ? ext4_filemap_fault+0x7a/0xad [ 387.941983] ? lock_release+0xa00/0xa00 [ 387.945949] ? perf_trace_sched_process_exec+0x860/0x860 [ 387.951388] ? print_usage_bug+0xc0/0xc0 [ 387.956233] ? print_usage_bug+0xc0/0xc0 [ 387.960294] ? down_read+0x8d/0x120 [ 387.963912] ? ext4_filemap_fault+0x7a/0xad [ 387.968229] ? __down_interruptible+0x700/0x700 [ 387.972910] ext4_filemap_fault+0x82/0xad [ 387.977054] __do_fault+0x100/0x6b0 [ 387.980683] ? pmd_devmap_trans_unstable+0x220/0x220 [ 387.985774] ? mark_held_locks+0x130/0x130 [ 387.990025] ? mark_held_locks+0x130/0x130 [ 387.994264] ? do_raw_spin_trylock+0x270/0x270 [ 387.998845] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.004378] __handle_mm_fault+0x3ea0/0x5be0 [ 388.008775] ? perf_trace_lock+0x7a0/0x7a0 [ 388.013014] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 388.017855] ? __switch_to_asm+0x34/0x70 [ 388.021929] ? __switch_to_asm+0x34/0x70 [ 388.026004] ? zap_class+0x640/0x640 [ 388.029719] ? zap_class+0x640/0x640 [ 388.033424] ? __x64_sys_futex+0x53e/0x6a0 [ 388.037659] ? find_held_lock+0x36/0x1c0 [ 388.041725] ? handle_mm_fault+0x42a/0xc70 [ 388.045954] ? lock_downgrade+0x900/0x900 [ 388.050098] ? check_preemption_disabled+0x48/0x280 [ 388.055396] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.060319] ? kasan_check_read+0x11/0x20 [ 388.064459] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.069729] ? rcu_softirq_qs+0x20/0x20 [ 388.073697] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.078790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.084318] ? check_preemption_disabled+0x48/0x280 [ 388.089336] handle_mm_fault+0x54f/0xc70 [ 388.093393] ? __handle_mm_fault+0x5be0/0x5be0 [ 388.097969] ? find_vma+0x34/0x190 [ 388.101505] __do_page_fault+0x5e8/0xe60 [ 388.105559] ? trace_hardirqs_off+0xb8/0x310 [ 388.109965] do_page_fault+0xf2/0x7e0 [ 388.113755] ? vmalloc_sync_all+0x30/0x30 [ 388.117893] ? error_entry+0x70/0xd0 [ 388.121597] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.126604] ? trace_hardirqs_on_caller+0xc0/0x310 [ 388.131532] ? syscall_return_slowpath+0x5e0/0x5e0 [ 388.136456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.141289] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.146298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.151830] ? prepare_exit_to_usermode+0x291/0x3b0 [ 388.157306] ? page_fault+0x8/0x30 [ 388.160841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.165676] ? page_fault+0x8/0x30 [ 388.169212] page_fault+0x1e/0x30 [ 388.172655] RIP: 0033:0x45ddf3 [ 388.175853] Code: Bad RIP value. [ 388.179205] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 388.184572] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 388.191828] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 388.199083] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 388.206339] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 388.213597] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 388.220882] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 388.220886] warn_alloc_show_mem: 1 callbacks suppressed [ 388.220892] Mem-Info: [ 388.227632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.232999] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 388.232999] active_file:12 inactive_file:13 isolated_file:0 [ 388.232999] unevictable:0 dirty:0 writeback:0 unstable:0 [ 388.232999] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 388.232999] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 388.232999] free:13705 free_pcp:178 free_cma:0 [ 388.235353] Call Trace: [ 388.235371] dump_stack+0x244/0x39d [ 388.244730] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 388.277861] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.280421] Node 0 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 [ 388.284041] warn_alloc.cold.116+0xb7/0x1bd [ 388.311671] lowmem_reserve[]: 0 2818 6321 6321 [ 388.316847] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.342925] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 388.347257] ? lock_downgrade+0x900/0x900 [ 388.351816] lowmem_reserve[]: 0 0 3503 3503 [ 388.356954] ? trace_hardirqs_off+0xb8/0x310 [ 388.384417] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 388.388551] ? trace_hardirqs_off+0xb8/0x310 [ 388.392834] lowmem_reserve[]: 0 0 0 0 [ 388.397232] __alloc_pages_slowpath+0x26e8/0x2e10 [ 388.426172] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 388.430594] ? warn_alloc+0x120/0x120 [ 388.434341] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 388.439173] ? print_usage_bug+0xc0/0xc0 [ 388.452664] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 388.456758] ? warn_alloc+0x120/0x120 [ 388.471995] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 388.476042] ? warn_alloc+0x120/0x120 [ 388.490225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 388.490232] 366 total pagecache pages [ 388.494023] ? print_usage_bug+0xc0/0xc0 [ 388.502851] 0 pages in swap cache [ 388.506633] ? print_usage_bug+0xc0/0xc0 [ 388.515178] Swap cache stats: add 0, delete 0, find 0/0 [ 388.518959] ? __lock_acquire+0x62f/0x4c20 [ 388.522994] Free swap = 0kB [ 388.523002] Total swap = 0kB [ 388.526447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.530476] 1965979 pages RAM [ 388.535827] ? should_fail+0x22d/0xd01 [ 388.540034] 0 pages HighMem/MovableOnly [ 388.543038] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.546028] 342854 pages reserved [ 388.551633] ? __lock_acquire+0x62f/0x4c20 [ 388.555373] 0 pages cma reserved [ 388.555433] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.559258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.563278] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.568291] ? __lock_acquire+0x62f/0x4c20 [ 388.571711] syz-fuzzer cpuset=/ mems_allowed=0 [ 388.575925] ? should_fail+0x22d/0xd01 [ 388.575947] ? mark_held_locks+0x130/0x130 [ 388.617884] ? mark_held_locks+0x130/0x130 [ 388.622111] ? zap_class+0x640/0x640 [ 388.625817] ? zap_class+0x640/0x640 [ 388.629524] ? zap_class+0x640/0x640 [ 388.633228] ? print_usage_bug+0xc0/0xc0 [ 388.637281] ? mark_held_locks+0x130/0x130 [ 388.641525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.647078] ? check_preemption_disabled+0x48/0x280 [ 388.652097] ? __lock_is_held+0xb5/0x140 [ 388.656528] __alloc_pages_nodemask+0xa80/0xde0 [ 388.661190] ? zap_class+0x640/0x640 [ 388.664900] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 388.670011] ? find_held_lock+0x36/0x1c0 [ 388.674073] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.678735] ? lock_downgrade+0x900/0x900 [ 388.682884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.688414] cache_grow_begin+0xa5/0x8c0 [ 388.692466] ? do_raw_spin_unlock+0xa7/0x330 [ 388.696868] fallback_alloc+0x204/0x2e0 [ 388.700838] ____cache_alloc_node+0x1c7/0x1e0 [ 388.705327] kmem_cache_alloc_node+0xe3/0x730 [ 388.709810] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.714042] __alloc_skb+0x119/0x770 [ 388.717749] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.723054] ? netdev_alloc_frag+0x1f0/0x1f0 [ 388.727455] ? lock_downgrade+0x900/0x900 [ 388.731606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.737137] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.742585] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.748026] ? addrconf_rs_timer+0x690/0x690 [ 388.752435] ndisc_alloc_skb+0x144/0x340 [ 388.756663] ndisc_send_rs+0x331/0x6e0 [ 388.760547] addrconf_rs_timer+0x314/0x690 [ 388.764775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.769016] call_timer_fn+0x272/0x920 [ 388.772897] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.777126] ? process_timeout+0x40/0x40 [ 388.781188] ? __run_timers+0x7da/0xc70 [ 388.785157] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.789643] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.794126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.798355] ? lockdep_hardirqs_on+0x296/0x5b0 [ 388.802934] ? trace_hardirqs_on+0xbd/0x310 [ 388.807254] ? kasan_check_read+0x11/0x20 [ 388.811397] ? __run_timers+0x7da/0xc70 [ 388.815369] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.820473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.824697] __run_timers+0x7e5/0xc70 [ 388.828611] ? timer_fixup_init+0x70/0x70 [ 388.832752] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.837239] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.841728] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 388.846310] ? trace_hardirqs_on+0xbd/0x310 [ 388.850626] ? kasan_check_read+0x11/0x20 [ 388.855081] ? finish_task_switch+0x1f4/0x910 [ 388.859573] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.864665] ? compat_start_thread+0x80/0x80 [ 388.869079] ? pvclock_read_flags+0x160/0x160 [ 388.873569] ? __switch_to_asm+0x34/0x70 [ 388.877624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.883160] ? check_preemption_disabled+0x48/0x280 [ 388.888177] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 388.893705] ? rcu_pm_notify+0xc0/0xc0 [ 388.897583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.903111] ? check_preemption_disabled+0x48/0x280 [ 388.908123] run_timer_softirq+0x52/0xb0 [ 388.912178] ? rcu_read_lock_sched_held+0x14f/0x180 [ 388.917184] __do_softirq+0x308/0xb7e [ 388.920985] ? trace_hardirqs_on_caller+0xc0/0x310 [ 388.925925] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 388.931029] ? trace_hardirqs_on+0x310/0x310 [ 388.935441] ? schedule+0x108/0x460 [ 388.939206] ? trace_hardirqs_off+0xb8/0x310 [ 388.943627] ? smpboot_thread_fn+0x68b/0xa00 [ 388.948030] ? trace_hardirqs_on+0x310/0x310 [ 388.952519] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.958399] ? check_preemption_disabled+0x48/0x280 [ 388.963415] ? takeover_tasklets+0xa90/0xa90 [ 388.967820] run_ksoftirqd+0x5e/0x100 [ 388.971618] smpboot_thread_fn+0x68b/0xa00 [ 388.975850] ? sort_range+0x30/0x30 [ 388.979479] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.984583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.990113] ? __kthread_parkme+0xfb/0x1a0 [ 388.994345] ? sort_range+0x30/0x30 [ 388.997976] kthread+0x35a/0x440 [ 389.001333] ? kthread_stop+0x900/0x900 [ 389.005303] ret_from_fork+0x3a/0x50 [ 389.009021] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 389.009082] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.015936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.015948] Call Trace: [ 389.015954] [ 389.015970] dump_stack+0x244/0x39d [ 389.015990] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.022547] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.031914] warn_alloc.cold.116+0xb7/0x1bd [ 389.034467] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 389.036619] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.070298] ? lock_downgrade+0x900/0x900 [ 389.074452] ? trace_hardirqs_off+0xb8/0x310 [ 389.078863] ? trace_hardirqs_off+0xb8/0x310 [ 389.083277] __alloc_pages_slowpath+0x26e8/0x2e10 [ 389.088134] ? warn_alloc+0x120/0x120 [ 389.091929] ? print_usage_bug+0xc0/0xc0 [ 389.095993] ? warn_alloc+0x120/0x120 [ 389.099806] ? warn_alloc+0x120/0x120 [ 389.103599] ? print_usage_bug+0xc0/0xc0 [ 389.107654] ? kvm_clock_read+0x18/0x30 [ 389.111620] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 389.116632] ? print_usage_bug+0xc0/0xc0 [ 389.120685] ? __lock_acquire+0x62f/0x4c20 [ 389.124925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.130469] ? should_fail+0x22d/0xd01 [ 389.134351] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.139620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.144734] ? __lock_acquire+0x62f/0x4c20 [ 389.148981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.154387] ? __lock_acquire+0x62f/0x4c20 [ 389.158615] ? should_fail+0x22d/0xd01 [ 389.162492] ? rcu_irq_exit+0x1a2/0x390 [ 389.166470] ? mark_held_locks+0x130/0x130 [ 389.170724] ? mark_held_locks+0x130/0x130 [ 389.175383] ? mark_held_locks+0xc7/0x130 [ 389.179522] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 389.184529] ? zap_class+0x640/0x640 [ 389.188234] ? print_usage_bug+0xc0/0xc0 [ 389.192295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.197830] ? check_preemption_disabled+0x48/0x280 [ 389.202846] ? __lock_is_held+0xb5/0x140 [ 389.206905] __alloc_pages_nodemask+0xa80/0xde0 [ 389.211571] ? zap_class+0x640/0x640 [ 389.215281] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 389.220303] ? find_held_lock+0x36/0x1c0 [ 389.224368] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.229035] ? lock_downgrade+0x900/0x900 [ 389.233186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.238719] cache_grow_begin+0xa5/0x8c0 [ 389.242774] ? do_raw_spin_unlock+0xa7/0x330 [ 389.247182] fallback_alloc+0x204/0x2e0 [ 389.251151] ____cache_alloc_node+0x1c7/0x1e0 [ 389.256468] kmem_cache_alloc_node+0xe3/0x730 [ 389.260964] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.265199] __alloc_skb+0x119/0x770 [ 389.268901] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.274181] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.278601] ? lock_downgrade+0x900/0x900 [ 389.282757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.288287] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.293733] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.299173] ? addrconf_rs_timer+0x690/0x690 [ 389.303582] ndisc_alloc_skb+0x144/0x340 [ 389.307641] ndisc_send_rs+0x331/0x6e0 [ 389.311530] addrconf_rs_timer+0x314/0x690 [ 389.315767] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.320005] call_timer_fn+0x272/0x920 [ 389.323885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.328113] ? process_timeout+0x40/0x40 [ 389.332179] ? mark_held_locks+0xc7/0x130 [ 389.336327] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.340814] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.345297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.349525] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.354106] ? trace_hardirqs_on+0xbd/0x310 [ 389.359215] ? kasan_check_read+0x11/0x20 [ 389.363358] ? __run_timers+0x7da/0xc70 [ 389.367328] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.372428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.376666] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.380892] __run_timers+0x7e5/0xc70 [ 389.384714] ? timer_fixup_init+0x70/0x70 [ 389.388857] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.393865] ? zap_class+0x640/0x640 [ 389.397579] ? print_usage_bug+0xc0/0xc0 [ 389.401653] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 389.406843] ? find_held_lock+0x36/0x1c0 [ 389.410901] ? zap_class+0x640/0x640 [ 389.414622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.420167] ? check_preemption_disabled+0x48/0x280 [ 389.425183] ? __lock_is_held+0xb5/0x140 [ 389.429237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.434768] ? check_preemption_disabled+0x48/0x280 [ 389.439783] run_timer_softirq+0x52/0xb0 [ 389.443836] ? rcu_read_lock_sched_held+0x14f/0x180 [ 389.448844] __do_softirq+0x308/0xb7e [ 389.452639] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 389.457456] ? lock_downgrade+0x900/0x900 [ 389.461597] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 389.466700] ? pvclock_read_flags+0x160/0x160 [ 389.471189] ? lapic_next_event+0x5a/0x90 [ 389.475331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.480858] ? kvm_clock_read+0x18/0x30 [ 389.484822] ? kvm_sched_clock_read+0x9/0x20 [ 389.489222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.494754] ? check_preemption_disabled+0x48/0x280 [ 389.499766] irq_exit+0x17f/0x1c0 [ 389.503212] smp_apic_timer_interrupt+0x1cb/0x760 [ 389.508044] ? smp_reschedule_interrupt+0x109/0x650 [ 389.513055] ? smp_call_function_single_interrupt+0x650/0x650 [ 389.518932] ? interrupt_entry+0xb5/0xc0 [ 389.522986] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.527994] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.533004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.537926] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.542940] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.547949] ? task_prio+0x50/0x50 [ 389.551481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.557338] ? check_preemption_disabled+0x48/0x280 [ 389.562375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.567219] apic_timer_interrupt+0xf/0x20 [ 389.571438] [ 389.573669] RIP: 0010:dump_stack+0x358/0x39d [ 389.578070] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 389.596964] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 389.604664] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 389.611933] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 389.619201] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 389.626461] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 389.633720] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 389.640997] ? dump_stack+0x34f/0x39d [ 389.644812] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.649995] ? mark_held_locks+0x130/0x130 [ 389.654230] ? mark_held_locks+0x130/0x130 [ 389.658946] dump_header+0x27b/0xf72 [ 389.662660] ? pagefault_out_of_memory+0x197/0x197 [ 389.667585] ? __lock_acquire+0x62f/0x4c20 [ 389.671809] ? percpu_ref_get_many+0x240/0x240 [ 389.676384] ? print_usage_bug+0xc0/0xc0 [ 389.680450] ? zap_class+0x640/0x640 [ 389.684159] ? print_usage_bug+0xc0/0xc0 [ 389.688225] ? print_usage_bug+0xc0/0xc0 [ 389.692276] ? zap_class+0x640/0x640 [ 389.695983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.701511] ? find_held_lock+0x36/0x1c0 [ 389.705572] ? mark_held_locks+0xc7/0x130 [ 389.709722] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.714816] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.719917] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.724493] ? trace_hardirqs_on+0xbd/0x310 [ 389.728805] ? kasan_check_read+0x11/0x20 [ 389.732939] ? ___ratelimit+0x3b4/0x672 [ 389.736913] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.742010] ? trace_hardirqs_on+0x310/0x310 [ 389.746410] ? lock_downgrade+0x900/0x900 [ 389.750570] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.756158] ? ___ratelimit+0x3b9/0x672 [ 389.760139] ? idr_get_free+0xf70/0xf70 [ 389.764356] ? find_held_lock+0x36/0x1c0 [ 389.768425] oom_kill_process.cold.27+0x10/0x903 [ 389.773184] ? zap_class+0x640/0x640 [ 389.776888] ? check_preemption_disabled+0x48/0x280 [ 389.781925] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.786858] ? kasan_check_read+0x11/0x20 [ 389.791006] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.796276] ? oom_evaluate_task+0x540/0x540 [ 389.800680] ? find_held_lock+0x36/0x1c0 [ 389.804742] ? out_of_memory+0x974/0x1430 [ 389.808882] ? lock_downgrade+0x900/0x900 [ 389.813020] ? check_preemption_disabled+0x48/0x280 [ 389.818025] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.822944] ? kasan_check_read+0x11/0x20 [ 389.827098] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.832366] ? rcu_softirq_qs+0x20/0x20 [ 389.836335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.841861] ? oom_evaluate_task+0x302/0x540 [ 389.846286] out_of_memory+0xa84/0x1430 [ 389.850259] ? oom_killer_disable+0x3a0/0x3a0 [ 389.854747] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 389.860157] ? __ww_mutex_check_waiters+0x160/0x160 [ 389.865267] __alloc_pages_slowpath+0x2354/0x2e10 [ 389.870128] ? warn_alloc+0x120/0x120 [ 389.873921] ? mark_held_locks+0x130/0x130 [ 389.878154] ? find_get_entry+0xaae/0x1120 [ 389.882388] ? filemap_map_pages+0x1a20/0x1a20 [ 389.886975] ? zap_class+0x640/0x640 [ 389.890682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.896210] ? check_preemption_disabled+0x48/0x280 [ 389.901219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.906748] ? should_fail+0x22d/0xd01 [ 389.910628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.915720] ? zap_class+0x640/0x640 [ 389.919475] ? __lock_is_held+0xb5/0x140 [ 389.923534] ? mark_held_locks+0x130/0x130 [ 389.927760] ? lock_release+0xa00/0xa00 [ 389.932249] ? perf_trace_sched_process_exec+0x860/0x860 [ 389.937695] ? xa_load+0x2ba/0x460 [ 389.941232] ? lock_downgrade+0x900/0x900 [ 389.945377] ? __might_sleep+0x95/0x190 [ 389.949351] __alloc_pages_nodemask+0xa80/0xde0 [ 389.954011] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 389.960006] ? __page_cache_alloc+0x191/0x5c0 [ 389.964500] ? xa_load+0x2e1/0x460 [ 389.968047] ? xa_clear_mark+0x40/0x40 [ 389.972016] ? zap_class+0x640/0x640 [ 389.975726] ? zap_class+0x640/0x640 [ 389.979433] ? zap_class+0x640/0x640 [ 389.983134] ? __do_page_cache_readahead+0x663/0x810 [ 389.988318] ? find_held_lock+0x36/0x1c0 [ 389.992377] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 389.997917] alloc_pages_current+0x173/0x350 [ 390.002325] __page_cache_alloc+0x38c/0x5c0 [ 390.006634] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 390.011554] ? kasan_check_read+0x11/0x20 [ 390.015693] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.020963] ? generic_perform_write+0x6a0/0x6a0 [ 390.025713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.031244] ? check_preemption_disabled+0x48/0x280 [ 390.036256] filemap_fault+0x1595/0x25f0 [ 390.040323] ? __lock_page_or_retry+0xa00/0xa00 [ 390.044984] ? mark_held_locks+0x130/0x130 [ 390.049214] ? filemap_map_pages+0xd6b/0x1a20 [ 390.053698] ? lock_downgrade+0x900/0x900 [ 390.058790] ? check_preemption_disabled+0x48/0x280 [ 390.063809] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 390.068755] ? kasan_check_read+0x11/0x20 [ 390.072906] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.078223] ? rcu_softirq_qs+0x20/0x20 [ 390.082207] ? filemap_map_pages+0xd92/0x1a20 [ 390.086707] ? find_get_entries_tag+0x1400/0x1400 [ 390.091543] ? debug_object_destroy+0x2b0/0x2b0 [ 390.096201] ? lock_pi_update_atomic+0x150/0x150 [ 390.100945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.106523] ? lock_acquire+0x1ed/0x520 [ 390.110485] ? ext4_filemap_fault+0x7a/0xad [ 390.114801] ? lock_release+0xa00/0xa00 [ 390.118763] ? perf_trace_sched_process_exec+0x860/0x860 [ 390.124204] ? print_usage_bug+0xc0/0xc0 [ 390.128258] ? print_usage_bug+0xc0/0xc0 [ 390.132319] ? down_read+0x8d/0x120 [ 390.135933] ? ext4_filemap_fault+0x7a/0xad [ 390.140245] ? __down_interruptible+0x700/0x700 [ 390.144924] ext4_filemap_fault+0x82/0xad [ 390.149065] __do_fault+0x100/0x6b0 [ 390.152684] ? pmd_devmap_trans_unstable+0x220/0x220 [ 390.158610] ? mark_held_locks+0x130/0x130 [ 390.162834] ? mark_held_locks+0x130/0x130 [ 390.167060] ? do_raw_spin_trylock+0x270/0x270 [ 390.171642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.177176] __handle_mm_fault+0x3ea0/0x5be0 [ 390.181577] ? perf_trace_lock+0x7a0/0x7a0 [ 390.185815] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 390.190657] ? __switch_to_asm+0x34/0x70 [ 390.194709] ? __switch_to_asm+0x34/0x70 [ 390.198771] ? zap_class+0x640/0x640 [ 390.202478] ? zap_class+0x640/0x640 [ 390.206178] ? __x64_sys_futex+0x53e/0x6a0 [ 390.210408] ? find_held_lock+0x36/0x1c0 [ 390.214466] ? handle_mm_fault+0x42a/0xc70 [ 390.218700] ? lock_downgrade+0x900/0x900 [ 390.222847] ? check_preemption_disabled+0x48/0x280 [ 390.227873] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 390.232798] ? kasan_check_read+0x11/0x20 [ 390.236940] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.242211] ? rcu_softirq_qs+0x20/0x20 [ 390.246183] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.251283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.257563] ? check_preemption_disabled+0x48/0x280 [ 390.262580] handle_mm_fault+0x54f/0xc70 [ 390.266646] ? __handle_mm_fault+0x5be0/0x5be0 [ 390.271221] ? find_vma+0x34/0x190 [ 390.274775] __do_page_fault+0x5e8/0xe60 [ 390.278824] ? trace_hardirqs_off+0xb8/0x310 [ 390.283248] do_page_fault+0xf2/0x7e0 [ 390.287040] ? vmalloc_sync_all+0x30/0x30 [ 390.291181] ? error_entry+0x70/0xd0 [ 390.294889] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.299900] ? trace_hardirqs_on_caller+0xc0/0x310 [ 390.304821] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.309742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.314578] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.319589] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.325029] ? prepare_exit_to_usermode+0x291/0x3b0 [ 390.330037] ? page_fault+0x8/0x30 [ 390.333577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.338411] ? page_fault+0x8/0x30 [ 390.341941] page_fault+0x1e/0x30 [ 390.345388] RIP: 0033:0x45ddf3 [ 390.348587] Code: Bad RIP value. [ 390.351942] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 390.358081] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 390.365431] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 390.372688] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 390.379946] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 390.387209] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 390.394502] warn_alloc_show_mem: 1 callbacks suppressed [ 390.394511] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 390.394512] Mem-Info: [ 390.394539] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 390.394539] active_file:12 inactive_file:13 isolated_file:0 [ 390.394539] unevictable:0 dirty:0 writeback:0 unstable:0 [ 390.394539] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 390.394539] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 390.394539] free:13705 free_pcp:178 free_cma:0 [ 390.399878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.406619] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 390.409002] Call Trace: [ 390.441967] Node 0 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 [ 390.451312] dump_stack+0x244/0x39d [ 390.479446] lowmem_reserve[]: 0 2818 6321 6321 [ 390.482038] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.508109] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 390.511731] warn_alloc.cold.116+0xb7/0x1bd [ 390.516271] lowmem_reserve[]: 0 0 3503 3503 [ 390.521450] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.548914] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 390.553225] ? lock_downgrade+0x900/0x900 [ 390.558001] lowmem_reserve[]: 0 0 0 0 [ 390.562847] ? trace_hardirqs_off+0xb8/0x310 [ 390.591783] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 390.595936] ? trace_hardirqs_off+0xb8/0x310 [ 390.599709] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 390.604108] __alloc_pages_slowpath+0x26e8/0x2e10 [ 390.617592] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 390.622007] ? warn_alloc+0x120/0x120 [ 390.637220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 390.642042] ? print_usage_bug+0xc0/0xc0 [ 390.657016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 390.660798] ? warn_alloc+0x120/0x120 [ 390.669601] 366 total pagecache pages [ 390.673681] ? warn_alloc+0x120/0x120 [ 390.682229] 0 pages in swap cache [ 390.686008] ? print_usage_bug+0xc0/0xc0 [ 390.689779] Swap cache stats: add 0, delete 0, find 0/0 [ 390.693565] ? print_usage_bug+0xc0/0xc0 [ 390.696988] Free swap = 0kB [ 390.701034] ? __lock_acquire+0x62f/0x4c20 [ 390.706367] Total swap = 0kB [ 390.710413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.713398] 1965979 pages RAM [ 390.717616] ? should_fail+0x22d/0xd01 [ 390.720603] 0 pages HighMem/MovableOnly [ 390.726129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.729200] 342854 pages reserved [ 390.729206] 0 pages cma reserved [ 390.733076] ? __lock_acquire+0x62f/0x4c20 [ 390.737070] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.742104] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.742118] ? __lock_acquire+0x62f/0x4c20 [ 390.742132] ? should_fail+0x22d/0xd01 [ 390.746127] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.748906] ? find_held_lock+0x36/0x1c0 [ 390.748928] ? mark_held_locks+0x130/0x130 [ 390.753207] syz-fuzzer cpuset=/ mems_allowed=0 [ 390.760027] ? mark_held_locks+0x130/0x130 [ 390.760042] ? zap_class+0x640/0x640 [ 390.804205] ? mark_held_locks+0xc7/0x130 [ 390.808348] ? do_raw_spin_unlock+0xa7/0x330 [ 390.812752] ? zap_class+0x640/0x640 [ 390.816458] ? print_usage_bug+0xc0/0xc0 [ 390.820511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.826038] ? check_preemption_disabled+0x48/0x280 [ 390.831053] ? __lock_is_held+0xb5/0x140 [ 390.835128] __alloc_pages_nodemask+0xa80/0xde0 [ 390.839805] ? zap_class+0x640/0x640 [ 390.843519] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 390.848536] ? find_held_lock+0x36/0x1c0 [ 390.852593] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.857574] ? lock_downgrade+0x900/0x900 [ 390.861726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.867262] cache_grow_begin+0xa5/0x8c0 [ 390.871315] ? do_raw_spin_unlock+0xa7/0x330 [ 390.875722] fallback_alloc+0x204/0x2e0 [ 390.879695] ____cache_alloc_node+0x1c7/0x1e0 [ 390.884190] kmem_cache_alloc_node+0xe3/0x730 [ 390.888678] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.892915] __alloc_skb+0x119/0x770 [ 390.896617] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.901887] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.906291] ? lock_downgrade+0x900/0x900 [ 390.910437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.915968] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.921416] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.926864] ? addrconf_rs_timer+0x690/0x690 [ 390.931279] ndisc_alloc_skb+0x144/0x340 [ 390.935340] ndisc_send_rs+0x331/0x6e0 [ 390.939222] addrconf_rs_timer+0x314/0x690 [ 390.943456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.947690] call_timer_fn+0x272/0x920 [ 390.951568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.956080] ? process_timeout+0x40/0x40 [ 390.960142] ? __run_timers+0x7da/0xc70 [ 390.964114] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.968692] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.973181] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.977410] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.982096] ? trace_hardirqs_on+0xbd/0x310 [ 390.986411] ? kasan_check_read+0x11/0x20 [ 390.990547] ? __run_timers+0x7da/0xc70 [ 390.994529] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.999632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.003863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.008088] __run_timers+0x7e5/0xc70 [ 391.011892] ? timer_fixup_init+0x70/0x70 [ 391.016033] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.020523] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.025014] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 391.029593] ? trace_hardirqs_on+0xbd/0x310 [ 391.034165] ? kasan_check_read+0x11/0x20 [ 391.038309] ? finish_task_switch+0x1f4/0x910 [ 391.042796] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.047899] ? compat_start_thread+0x80/0x80 [ 391.052317] ? pvclock_read_flags+0x160/0x160 [ 391.057108] ? __switch_to_asm+0x34/0x70 [ 391.061161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.066696] ? check_preemption_disabled+0x48/0x280 [ 391.071718] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 391.077250] ? rcu_pm_notify+0xc0/0xc0 [ 391.081133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.086661] ? check_preemption_disabled+0x48/0x280 [ 391.091675] run_timer_softirq+0x52/0xb0 [ 391.095733] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.100738] __do_softirq+0x308/0xb7e [ 391.104536] ? trace_hardirqs_on_caller+0xc0/0x310 [ 391.109461] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.114558] ? trace_hardirqs_on+0x310/0x310 [ 391.118977] ? schedule+0x108/0x460 [ 391.122602] ? trace_hardirqs_off+0xb8/0x310 [ 391.127001] ? smpboot_thread_fn+0x68b/0xa00 [ 391.131402] ? trace_hardirqs_on+0x310/0x310 [ 391.135812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.141351] ? check_preemption_disabled+0x48/0x280 [ 391.146363] ? takeover_tasklets+0xa90/0xa90 [ 391.150781] run_ksoftirqd+0x5e/0x100 [ 391.154595] smpboot_thread_fn+0x68b/0xa00 [ 391.159082] ? sort_range+0x30/0x30 [ 391.162702] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.167796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.173337] ? __kthread_parkme+0xfb/0x1a0 [ 391.177572] ? sort_range+0x30/0x30 [ 391.181191] kthread+0x35a/0x440 [ 391.184551] ? kthread_stop+0x900/0x900 [ 391.188520] ret_from_fork+0x3a/0x50 [ 391.192245] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 391.192309] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.199165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.199172] Call Trace: [ 391.205719] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.214977] [ 391.217543] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 391.227842] dump_stack+0x244/0x39d [ 391.238634] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.243838] warn_alloc.cold.116+0xb7/0x1bd [ 391.248157] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.253003] ? lock_downgrade+0x900/0x900 [ 391.258114] ? trace_hardirqs_off+0xb8/0x310 [ 391.262524] ? trace_hardirqs_off+0xb8/0x310 [ 391.266924] ? noop_count+0x40/0x40 [ 391.270551] __alloc_pages_slowpath+0x26e8/0x2e10 [ 391.275400] ? check_usage+0x1aa/0x790 [ 391.279285] ? warn_alloc+0x120/0x120 [ 391.283088] ? warn_alloc+0x120/0x120 [ 391.286883] ? __bfs+0xb0/0x780 [ 391.290160] ? warn_alloc+0x120/0x120 [ 391.293956] ? print_usage_bug+0xc0/0xc0 [ 391.298023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.303558] ? should_fail+0x22d/0xd01 [ 391.307441] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 391.313329] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.318431] ? __lock_acquire+0x62f/0x4c20 [ 391.322661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.327757] ? should_fail+0x22d/0xd01 [ 391.331648] ? mark_held_locks+0x130/0x130 [ 391.335877] ? mark_held_locks+0x130/0x130 [ 391.340107] ? print_usage_bug+0xc0/0xc0 [ 391.344170] ? find_held_lock+0x36/0x1c0 [ 391.348245] ? zap_class+0x640/0x640 [ 391.351959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.358445] ? check_preemption_disabled+0x48/0x280 [ 391.363466] ? __lock_is_held+0xb5/0x140 [ 391.367527] __alloc_pages_nodemask+0xa80/0xde0 [ 391.372185] ? zap_class+0x640/0x640 [ 391.375894] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 391.380914] ? find_held_lock+0x36/0x1c0 [ 391.384975] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.389640] ? lock_downgrade+0x900/0x900 [ 391.393785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.399328] cache_grow_begin+0xa5/0x8c0 [ 391.403383] ? do_raw_spin_unlock+0xa7/0x330 [ 391.407799] fallback_alloc+0x204/0x2e0 [ 391.411794] ____cache_alloc_node+0x1c7/0x1e0 [ 391.416287] kmem_cache_alloc_node+0xe3/0x730 [ 391.420777] ? mark_held_locks+0xc7/0x130 [ 391.424939] __alloc_skb+0x119/0x770 [ 391.428663] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.433062] ? do_raw_spin_trylock+0x270/0x270 [ 391.437640] ? kmem_cache_alloc_trace+0x353/0x750 [ 391.442482] ? queue_work_on+0x12c/0x1e0 [ 391.446550] ? switchdev_port_obj_del+0xdc/0x440 [ 391.451309] ? switchdev_trans_item_enqueue+0x260/0x260 [ 391.457019] ? mod_timer+0x631/0x1560 [ 391.460808] ? wake_up_klogd+0x180/0x180 [ 391.464860] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 391.469876] __br_mdb_notify+0x4ff/0x15d0 [ 391.474025] ? __br_mdb_add+0x7f0/0x7f0 [ 391.478013] ? zap_class+0x640/0x640 [ 391.481728] ? br_multicast_group_expired+0x96/0x610 [ 391.486832] br_mdb_notify+0x310/0x410 [ 391.490715] ? br_mdb_dump+0x27b0/0x27b0 [ 391.494776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.500325] br_multicast_group_expired+0x1bc/0x610 [ 391.505364] ? br_mdb_free+0x80/0x80 [ 391.509079] call_timer_fn+0x272/0x920 [ 391.512958] ? br_mdb_free+0x80/0x80 [ 391.516661] ? process_timeout+0x40/0x40 [ 391.520722] ? mark_held_locks+0xc7/0x130 [ 391.524869] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.529357] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.533841] ? br_mdb_free+0x80/0x80 [ 391.537545] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.542119] ? trace_hardirqs_on+0xbd/0x310 [ 391.546432] ? kasan_check_read+0x11/0x20 [ 391.550572] ? __run_timers+0x7da/0xc70 [ 391.554537] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.560449] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.564682] ? br_mdb_free+0x80/0x80 [ 391.568384] __run_timers+0x7e5/0xc70 [ 391.572182] ? timer_fixup_init+0x70/0x70 [ 391.576320] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.581330] ? zap_class+0x640/0x640 [ 391.585042] ? print_usage_bug+0xc0/0xc0 [ 391.589099] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.594288] ? find_held_lock+0x36/0x1c0 [ 391.598354] ? zap_class+0x640/0x640 [ 391.602082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.607615] ? check_preemption_disabled+0x48/0x280 [ 391.612632] ? __lock_is_held+0xb5/0x140 [ 391.616706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.622239] ? check_preemption_disabled+0x48/0x280 [ 391.627265] run_timer_softirq+0x52/0xb0 [ 391.631320] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.636330] __do_softirq+0x308/0xb7e [ 391.640126] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 391.644616] ? lock_downgrade+0x900/0x900 [ 391.648764] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.653879] ? pvclock_read_flags+0x160/0x160 [ 391.659120] ? lapic_next_event+0x5a/0x90 [ 391.663266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.668820] ? kvm_clock_read+0x18/0x30 [ 391.672872] ? kvm_sched_clock_read+0x9/0x20 [ 391.677279] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.682810] ? check_preemption_disabled+0x48/0x280 [ 391.687841] irq_exit+0x17f/0x1c0 [ 391.691290] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.696124] ? smp_reschedule_interrupt+0x109/0x650 [ 391.701136] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.707014] ? interrupt_entry+0xb5/0xc0 [ 391.711082] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.716088] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.721114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.725956] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.730963] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.735969] ? task_prio+0x50/0x50 [ 391.739498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.745028] ? check_preemption_disabled+0x48/0x280 [ 391.750040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.754880] apic_timer_interrupt+0xf/0x20 [ 391.759853] [ 391.762397] RIP: 0010:dump_stack+0x358/0x39d [ 391.766800] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 391.785704] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 391.793407] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 391.800671] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 391.807933] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 391.815195] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 391.822454] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 391.829733] ? dump_stack+0x34f/0x39d [ 391.833547] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.838731] ? mark_held_locks+0x130/0x130 [ 391.842966] ? mark_held_locks+0x130/0x130 [ 391.847201] dump_header+0x27b/0xf72 [ 391.850923] ? pagefault_out_of_memory+0x197/0x197 [ 391.855854] ? __lock_acquire+0x62f/0x4c20 [ 391.860501] ? percpu_ref_get_many+0x240/0x240 [ 391.865082] ? print_usage_bug+0xc0/0xc0 [ 391.869145] ? zap_class+0x640/0x640 [ 391.872857] ? print_usage_bug+0xc0/0xc0 [ 391.876913] ? print_usage_bug+0xc0/0xc0 [ 391.880966] ? zap_class+0x640/0x640 [ 391.884679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.890217] ? find_held_lock+0x36/0x1c0 [ 391.894282] ? mark_held_locks+0xc7/0x130 [ 391.898426] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.903520] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.908619] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 391.913196] ? trace_hardirqs_on+0xbd/0x310 [ 391.917516] ? kasan_check_read+0x11/0x20 [ 391.921655] ? ___ratelimit+0x3b4/0x672 [ 391.925628] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.931248] ? trace_hardirqs_on+0x310/0x310 [ 391.935661] ? lock_downgrade+0x900/0x900 [ 391.939810] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.944909] ? ___ratelimit+0x3b9/0x672 [ 391.948877] ? idr_get_free+0xf70/0xf70 [ 391.952847] ? find_held_lock+0x36/0x1c0 [ 391.957686] oom_kill_process.cold.27+0x10/0x903 [ 391.962444] ? zap_class+0x640/0x640 [ 391.966154] ? check_preemption_disabled+0x48/0x280 [ 391.971175] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.976095] ? kasan_check_read+0x11/0x20 [ 391.980237] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.985516] ? oom_evaluate_task+0x540/0x540 [ 391.989921] ? find_held_lock+0x36/0x1c0 [ 391.993983] ? out_of_memory+0x974/0x1430 [ 391.998127] ? lock_downgrade+0x900/0x900 [ 392.002275] ? check_preemption_disabled+0x48/0x280 [ 392.007288] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.012206] ? kasan_check_read+0x11/0x20 [ 392.016362] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.021632] ? rcu_softirq_qs+0x20/0x20 [ 392.025615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.031164] ? oom_evaluate_task+0x302/0x540 [ 392.035569] out_of_memory+0xa84/0x1430 [ 392.039542] ? oom_killer_disable+0x3a0/0x3a0 [ 392.044029] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 392.048957] ? __ww_mutex_check_waiters+0x160/0x160 [ 392.053974] __alloc_pages_slowpath+0x2354/0x2e10 [ 392.059606] ? warn_alloc+0x120/0x120 [ 392.063402] ? mark_held_locks+0x130/0x130 [ 392.067636] ? find_get_entry+0xaae/0x1120 [ 392.071873] ? filemap_map_pages+0x1a20/0x1a20 [ 392.076457] ? zap_class+0x640/0x640 [ 392.080170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.085703] ? check_preemption_disabled+0x48/0x280 [ 392.090712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.096248] ? should_fail+0x22d/0xd01 [ 392.100143] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.105241] ? zap_class+0x640/0x640 [ 392.108971] ? __lock_is_held+0xb5/0x140 [ 392.113035] ? mark_held_locks+0x130/0x130 [ 392.117273] ? lock_release+0xa00/0xa00 [ 392.121239] ? perf_trace_sched_process_exec+0x860/0x860 [ 392.126689] ? xa_load+0x2ba/0x460 [ 392.130225] ? lock_downgrade+0x900/0x900 [ 392.134387] ? __might_sleep+0x95/0x190 [ 392.138356] __alloc_pages_nodemask+0xa80/0xde0 [ 392.143025] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 392.148032] ? __page_cache_alloc+0x191/0x5c0 [ 392.152518] ? xa_load+0x2e1/0x460 [ 392.156295] ? xa_clear_mark+0x40/0x40 [ 392.160173] ? zap_class+0x640/0x640 [ 392.163885] ? zap_class+0x640/0x640 [ 392.167592] ? zap_class+0x640/0x640 [ 392.171300] ? __do_page_cache_readahead+0x663/0x810 [ 392.176402] ? find_held_lock+0x36/0x1c0 [ 392.180459] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 392.185998] alloc_pages_current+0x173/0x350 [ 392.190409] __page_cache_alloc+0x38c/0x5c0 [ 392.194725] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.199654] ? kasan_check_read+0x11/0x20 [ 392.203806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.209076] ? generic_perform_write+0x6a0/0x6a0 [ 392.213825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.219354] ? check_preemption_disabled+0x48/0x280 [ 392.224372] filemap_fault+0x1595/0x25f0 [ 392.228452] ? __lock_page_or_retry+0xa00/0xa00 [ 392.233112] ? mark_held_locks+0x130/0x130 [ 392.237345] ? filemap_map_pages+0xd6b/0x1a20 [ 392.241832] ? lock_downgrade+0x900/0x900 [ 392.245971] ? check_preemption_disabled+0x48/0x280 [ 392.250981] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.256485] ? kasan_check_read+0x11/0x20 [ 392.260629] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.265896] ? rcu_softirq_qs+0x20/0x20 [ 392.269893] ? filemap_map_pages+0xd92/0x1a20 [ 392.274390] ? find_get_entries_tag+0x1400/0x1400 [ 392.279231] ? debug_object_destroy+0x2b0/0x2b0 [ 392.283895] ? lock_pi_update_atomic+0x150/0x150 [ 392.288646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.294188] ? lock_acquire+0x1ed/0x520 [ 392.298149] ? ext4_filemap_fault+0x7a/0xad [ 392.302488] ? lock_release+0xa00/0xa00 [ 392.306451] ? perf_trace_sched_process_exec+0x860/0x860 [ 392.311892] ? print_usage_bug+0xc0/0xc0 [ 392.315947] ? print_usage_bug+0xc0/0xc0 [ 392.320009] ? down_read+0x8d/0x120 [ 392.323627] ? ext4_filemap_fault+0x7a/0xad [ 392.327943] ? __down_interruptible+0x700/0x700 [ 392.332630] ext4_filemap_fault+0x82/0xad [ 392.336784] __do_fault+0x100/0x6b0 [ 392.340406] ? pmd_devmap_trans_unstable+0x220/0x220 [ 392.345502] ? mark_held_locks+0x130/0x130 [ 392.349731] ? mark_held_locks+0x130/0x130 [ 392.353965] ? do_raw_spin_trylock+0x270/0x270 [ 392.359481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.365015] __handle_mm_fault+0x3ea0/0x5be0 [ 392.369411] ? perf_trace_lock+0x7a0/0x7a0 [ 392.373757] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 392.378600] ? __switch_to_asm+0x34/0x70 [ 392.382650] ? __switch_to_asm+0x34/0x70 [ 392.386716] ? zap_class+0x640/0x640 [ 392.390432] ? zap_class+0x640/0x640 [ 392.394136] ? __x64_sys_futex+0x53e/0x6a0 [ 392.398363] ? find_held_lock+0x36/0x1c0 [ 392.402421] ? handle_mm_fault+0x42a/0xc70 [ 392.406648] ? lock_downgrade+0x900/0x900 [ 392.410787] ? check_preemption_disabled+0x48/0x280 [ 392.415801] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.420744] ? kasan_check_read+0x11/0x20 [ 392.424888] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.430156] ? rcu_softirq_qs+0x20/0x20 [ 392.434147] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.439248] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.444774] ? check_preemption_disabled+0x48/0x280 [ 392.449787] handle_mm_fault+0x54f/0xc70 [ 392.453864] ? __handle_mm_fault+0x5be0/0x5be0 [ 392.459386] ? find_vma+0x34/0x190 [ 392.462923] __do_page_fault+0x5e8/0xe60 [ 392.466975] ? trace_hardirqs_off+0xb8/0x310 [ 392.471421] do_page_fault+0xf2/0x7e0 [ 392.475212] ? vmalloc_sync_all+0x30/0x30 [ 392.479350] ? error_entry+0x70/0xd0 [ 392.483055] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.488068] ? trace_hardirqs_on_caller+0xc0/0x310 [ 392.492988] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.497922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.502755] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.507760] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.513204] ? prepare_exit_to_usermode+0x291/0x3b0 [ 392.518211] ? page_fault+0x8/0x30 [ 392.521745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.526580] ? page_fault+0x8/0x30 [ 392.530111] page_fault+0x1e/0x30 [ 392.533557] RIP: 0033:0x45ddf3 [ 392.536769] Code: Bad RIP value. [ 392.540123] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 392.545474] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 392.552818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 392.560835] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 392.568099] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 392.575364] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 392.582649] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 392.582665] warn_alloc_show_mem: 1 callbacks suppressed [ 392.582668] Mem-Info: [ 392.589397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.594774] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 392.594774] active_file:12 inactive_file:13 isolated_file:0 [ 392.594774] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.594774] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 392.594774] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 392.594774] free:13705 free_pcp:178 free_cma:0 [ 392.597143] Call Trace: [ 392.606512] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.639358] dump_stack+0x244/0x39d [ 392.641906] Node 0 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 [ 392.669910] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.673512] lowmem_reserve[]: 0 2818 6321 6321 [ 392.699616] warn_alloc.cold.116+0xb7/0x1bd [ 392.704766] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 392.709332] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.713615] lowmem_reserve[]: 0 0 3503 3503 [ 392.741109] ? lock_downgrade+0x900/0x900 [ 392.745917] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 392.750244] ? trace_hardirqs_off+0xb8/0x310 [ 392.754375] lowmem_reserve[]: 0 0 0 0 [ 392.783625] ? trace_hardirqs_off+0xb8/0x310 [ 392.788003] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 392.791793] __alloc_pages_slowpath+0x26e8/0x2e10 [ 392.796159] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 392.809703] ? warn_alloc+0x120/0x120 [ 392.814490] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 392.829753] ? print_usage_bug+0xc0/0xc0 [ 392.833541] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 392.847755] ? warn_alloc+0x120/0x120 [ 392.851789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 392.860950] ? warn_alloc+0x120/0x120 [ 392.864731] 366 total pagecache pages [ 392.873283] ? print_usage_bug+0xc0/0xc0 [ 392.877060] 0 pages in swap cache [ 392.880841] ? print_usage_bug+0xc0/0xc0 [ 392.884875] Swap cache stats: add 0, delete 0, find 0/0 [ 392.888308] ? __lock_acquire+0x62f/0x4c20 [ 392.892338] Free swap = 0kB [ 392.897797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.901999] Total swap = 0kB [ 392.905003] ? should_fail+0x22d/0xd01 [ 392.910506] 1965979 pages RAM [ 392.913514] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.917365] 0 pages HighMem/MovableOnly [ 392.917372] 342854 pages reserved [ 392.920462] ? __lock_acquire+0x62f/0x4c20 [ 392.925534] 0 pages cma reserved [ 392.929493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.933549] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 392.937142] ? __lock_acquire+0x62f/0x4c20 [ 392.940475] syz-fuzzer cpuset=/ mems_allowed=0 [ 392.945555] ? should_fail+0x22d/0xd01 [ 392.945570] ? find_held_lock+0x36/0x1c0 [ 392.972834] ? mark_held_locks+0x130/0x130 [ 392.977065] ? mark_held_locks+0x130/0x130 [ 392.981290] ? zap_class+0x640/0x640 [ 392.985001] ? mark_held_locks+0xc7/0x130 [ 392.989152] ? do_raw_spin_unlock+0xa7/0x330 [ 392.993554] ? zap_class+0x640/0x640 [ 392.997259] ? print_usage_bug+0xc0/0xc0 [ 393.001311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.006835] ? check_preemption_disabled+0x48/0x280 [ 393.011849] ? __lock_is_held+0xb5/0x140 [ 393.015902] __alloc_pages_nodemask+0xa80/0xde0 [ 393.020559] ? zap_class+0x640/0x640 [ 393.024266] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 393.029286] ? find_held_lock+0x36/0x1c0 [ 393.033350] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.038016] ? lock_downgrade+0x900/0x900 [ 393.042336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.047868] cache_grow_begin+0xa5/0x8c0 [ 393.051918] ? do_raw_spin_unlock+0xa7/0x330 [ 393.056610] fallback_alloc+0x204/0x2e0 [ 393.060575] ____cache_alloc_node+0x1c7/0x1e0 [ 393.065066] kmem_cache_alloc_node+0xe3/0x730 [ 393.069554] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.073794] __alloc_skb+0x119/0x770 [ 393.077496] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.082769] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.087168] ? lock_downgrade+0x900/0x900 [ 393.091317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.096845] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.102288] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.107734] ? addrconf_rs_timer+0x690/0x690 [ 393.112144] ndisc_alloc_skb+0x144/0x340 [ 393.116202] ndisc_send_rs+0x331/0x6e0 [ 393.120089] addrconf_rs_timer+0x314/0x690 [ 393.124323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.128564] call_timer_fn+0x272/0x920 [ 393.132442] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.136690] ? process_timeout+0x40/0x40 [ 393.140754] ? __run_timers+0x7da/0xc70 [ 393.144723] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.149209] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.153706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.158238] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.162815] ? trace_hardirqs_on+0xbd/0x310 [ 393.167126] ? kasan_check_read+0x11/0x20 [ 393.171263] ? __run_timers+0x7da/0xc70 [ 393.175231] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.180333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.184562] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.188788] __run_timers+0x7e5/0xc70 [ 393.192588] ? timer_fixup_init+0x70/0x70 [ 393.196734] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.201220] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.205716] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 393.210292] ? trace_hardirqs_on+0xbd/0x310 [ 393.214621] ? kasan_check_read+0x11/0x20 [ 393.218761] ? finish_task_switch+0x1f4/0x910 [ 393.223252] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.228351] ? compat_start_thread+0x80/0x80 [ 393.232875] ? pvclock_read_flags+0x160/0x160 [ 393.237360] ? __switch_to_asm+0x34/0x70 [ 393.241414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.246945] ? check_preemption_disabled+0x48/0x280 [ 393.251959] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 393.257824] ? rcu_pm_notify+0xc0/0xc0 [ 393.261707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.267236] ? check_preemption_disabled+0x48/0x280 [ 393.272253] run_timer_softirq+0x52/0xb0 [ 393.276310] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.281317] __do_softirq+0x308/0xb7e [ 393.285119] ? trace_hardirqs_on_caller+0xc0/0x310 [ 393.290046] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.295143] ? trace_hardirqs_on+0x310/0x310 [ 393.299550] ? schedule+0x108/0x460 [ 393.303177] ? trace_hardirqs_off+0xb8/0x310 [ 393.307581] ? smpboot_thread_fn+0x68b/0xa00 [ 393.311992] ? trace_hardirqs_on+0x310/0x310 [ 393.316395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.321924] ? check_preemption_disabled+0x48/0x280 [ 393.326945] ? takeover_tasklets+0xa90/0xa90 [ 393.331345] run_ksoftirqd+0x5e/0x100 [ 393.335136] smpboot_thread_fn+0x68b/0xa00 [ 393.339364] ? sort_range+0x30/0x30 [ 393.342983] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 393.348072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.353595] ? __kthread_parkme+0xfb/0x1a0 [ 393.358098] ? sort_range+0x30/0x30 [ 393.361714] kthread+0x35a/0x440 [ 393.365077] ? kthread_stop+0x900/0x900 [ 393.369044] ret_from_fork+0x3a/0x50 [ 393.372771] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 393.372850] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.379692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.379699] Call Trace: [ 393.386246] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.395504] [ 393.398064] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 393.408356] dump_stack+0x244/0x39d [ 393.418744] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.423936] warn_alloc.cold.116+0xb7/0x1bd [ 393.428262] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.433101] ? lock_downgrade+0x900/0x900 [ 393.437249] ? trace_hardirqs_off+0xb8/0x310 [ 393.441652] ? trace_hardirqs_off+0xb8/0x310 [ 393.446074] __alloc_pages_slowpath+0x26e8/0x2e10 [ 393.450938] ? warn_alloc+0x120/0x120 [ 393.454752] ? warn_alloc+0x120/0x120 [ 393.458877] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.463884] ? warn_alloc+0x120/0x120 [ 393.467696] ? print_usage_bug+0xc0/0xc0 [ 393.471750] ? print_usage_bug+0xc0/0xc0 [ 393.475802] ? check_usage+0x1aa/0x790 [ 393.479685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.485212] ? should_fail+0x22d/0xd01 [ 393.489089] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 393.494962] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.500051] ? __lock_acquire+0x62f/0x4c20 [ 393.504274] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.509361] ? should_fail+0x22d/0xd01 [ 393.513246] ? mark_held_locks+0x130/0x130 [ 393.517469] ? mark_held_locks+0x130/0x130 [ 393.521688] ? print_usage_bug+0xc0/0xc0 [ 393.525750] ? find_held_lock+0x36/0x1c0 [ 393.529805] ? zap_class+0x640/0x640 [ 393.533514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.539041] ? check_preemption_disabled+0x48/0x280 [ 393.544061] ? __lock_is_held+0xb5/0x140 [ 393.548127] __alloc_pages_nodemask+0xa80/0xde0 [ 393.552785] ? zap_class+0x640/0x640 [ 393.556494] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 393.561847] ? find_held_lock+0x36/0x1c0 [ 393.565914] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.570584] ? lock_downgrade+0x900/0x900 [ 393.574729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.580258] cache_grow_begin+0xa5/0x8c0 [ 393.584311] ? do_raw_spin_unlock+0xa7/0x330 [ 393.588718] fallback_alloc+0x204/0x2e0 [ 393.592703] ____cache_alloc_node+0x1c7/0x1e0 [ 393.597194] kmem_cache_alloc_node+0xe3/0x730 [ 393.601681] ? mark_held_locks+0xc7/0x130 [ 393.605832] __alloc_skb+0x119/0x770 [ 393.609543] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.613938] ? do_raw_spin_trylock+0x270/0x270 [ 393.618527] ? kmem_cache_alloc_trace+0x353/0x750 [ 393.623363] ? queue_work_on+0x12c/0x1e0 [ 393.627423] ? switchdev_port_obj_del+0xdc/0x440 [ 393.632178] ? switchdev_trans_item_enqueue+0x260/0x260 [ 393.637541] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 393.642556] __br_mdb_notify+0x4ff/0x15d0 [ 393.646718] ? __br_mdb_add+0x7f0/0x7f0 [ 393.650699] ? zap_class+0x640/0x640 [ 393.654420] ? br_multicast_group_expired+0x96/0x610 [ 393.660247] ? lock_downgrade+0x900/0x900 [ 393.664397] br_mdb_notify+0x310/0x410 [ 393.668277] ? br_mdb_dump+0x27b0/0x27b0 [ 393.672332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.677872] br_multicast_group_expired+0x1bc/0x610 [ 393.682882] ? br_mdb_free+0x80/0x80 [ 393.686597] call_timer_fn+0x272/0x920 [ 393.690475] ? br_mdb_free+0x80/0x80 [ 393.694186] ? process_timeout+0x40/0x40 [ 393.698255] ? mark_held_locks+0xc7/0x130 [ 393.702404] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.706889] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.711379] ? br_mdb_free+0x80/0x80 [ 393.715087] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.719683] ? trace_hardirqs_on+0xbd/0x310 [ 393.723999] ? kasan_check_read+0x11/0x20 [ 393.728136] ? __run_timers+0x7da/0xc70 [ 393.732104] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.737204] ? br_mdb_free+0x80/0x80 [ 393.740917] ? br_mdb_free+0x80/0x80 [ 393.744618] __run_timers+0x7e5/0xc70 [ 393.748417] ? timer_fixup_init+0x70/0x70 [ 393.752576] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.758073] ? zap_class+0x640/0x640 [ 393.762066] ? print_usage_bug+0xc0/0xc0 [ 393.766138] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.771326] ? find_held_lock+0x36/0x1c0 [ 393.775381] ? zap_class+0x640/0x640 [ 393.779088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.784620] ? check_preemption_disabled+0x48/0x280 [ 393.789645] ? __lock_is_held+0xb5/0x140 [ 393.793698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.799229] ? check_preemption_disabled+0x48/0x280 [ 393.804239] run_timer_softirq+0x52/0xb0 [ 393.808293] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.813301] __do_softirq+0x308/0xb7e [ 393.817098] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 393.821581] ? lock_downgrade+0x900/0x900 [ 393.825722] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.830825] ? pvclock_read_flags+0x160/0x160 [ 393.835311] ? lapic_next_event+0x5a/0x90 [ 393.839452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.844984] ? kvm_clock_read+0x18/0x30 [ 393.848948] ? kvm_sched_clock_read+0x9/0x20 [ 393.853348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.859688] ? check_preemption_disabled+0x48/0x280 [ 393.864706] irq_exit+0x17f/0x1c0 [ 393.868158] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.872995] ? smp_reschedule_interrupt+0x109/0x650 [ 393.878008] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.883896] ? interrupt_entry+0xb5/0xc0 [ 393.887953] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.892961] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.897971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.902809] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.907817] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.912820] ? task_prio+0x50/0x50 [ 393.916352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.921884] ? check_preemption_disabled+0x48/0x280 [ 393.926900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.932262] apic_timer_interrupt+0xf/0x20 [ 393.936497] [ 393.938731] RIP: 0010:dump_stack+0x358/0x39d [ 393.943152] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 393.962792] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 393.970487] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 393.977746] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 393.985004] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 393.992267] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 393.999530] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 394.007149] ? dump_stack+0x34f/0x39d [ 394.010952] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.016141] ? mark_held_locks+0x130/0x130 [ 394.020369] ? mark_held_locks+0x130/0x130 [ 394.024604] dump_header+0x27b/0xf72 [ 394.028328] ? pagefault_out_of_memory+0x197/0x197 [ 394.033255] ? __lock_acquire+0x62f/0x4c20 [ 394.037486] ? percpu_ref_get_many+0x240/0x240 [ 394.042063] ? print_usage_bug+0xc0/0xc0 [ 394.046121] ? zap_class+0x640/0x640 [ 394.049829] ? print_usage_bug+0xc0/0xc0 [ 394.053879] ? print_usage_bug+0xc0/0xc0 [ 394.058708] ? zap_class+0x640/0x640 [ 394.062420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.067948] ? find_held_lock+0x36/0x1c0 [ 394.072016] ? mark_held_locks+0xc7/0x130 [ 394.076176] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.081277] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.086392] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 394.090967] ? trace_hardirqs_on+0xbd/0x310 [ 394.095300] ? kasan_check_read+0x11/0x20 [ 394.099464] ? ___ratelimit+0x3b4/0x672 [ 394.103435] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.108532] ? trace_hardirqs_on+0x310/0x310 [ 394.112929] ? lock_downgrade+0x900/0x900 [ 394.117081] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.122176] ? ___ratelimit+0x3b9/0x672 [ 394.126147] ? idr_get_free+0xf70/0xf70 [ 394.130109] ? find_held_lock+0x36/0x1c0 [ 394.134170] oom_kill_process.cold.27+0x10/0x903 [ 394.138916] ? zap_class+0x640/0x640 [ 394.142629] ? check_preemption_disabled+0x48/0x280 [ 394.147642] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.152576] ? kasan_check_read+0x11/0x20 [ 394.156714] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.162292] ? oom_evaluate_task+0x540/0x540 [ 394.166715] ? find_held_lock+0x36/0x1c0 [ 394.170776] ? out_of_memory+0x974/0x1430 [ 394.174917] ? lock_downgrade+0x900/0x900 [ 394.179059] ? check_preemption_disabled+0x48/0x280 [ 394.184069] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.188993] ? kasan_check_read+0x11/0x20 [ 394.193140] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.198405] ? rcu_softirq_qs+0x20/0x20 [ 394.202372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.207902] ? oom_evaluate_task+0x302/0x540 [ 394.212325] out_of_memory+0xa84/0x1430 [ 394.216296] ? oom_killer_disable+0x3a0/0x3a0 [ 394.220788] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 394.225714] ? __ww_mutex_check_waiters+0x160/0x160 [ 394.230735] __alloc_pages_slowpath+0x2354/0x2e10 [ 394.236207] ? warn_alloc+0x120/0x120 [ 394.240002] ? mark_held_locks+0x130/0x130 [ 394.244230] ? find_get_entry+0xaae/0x1120 [ 394.248467] ? filemap_map_pages+0x1a20/0x1a20 [ 394.253047] ? zap_class+0x640/0x640 [ 394.257164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.262692] ? check_preemption_disabled+0x48/0x280 [ 394.267701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.273230] ? should_fail+0x22d/0xd01 [ 394.277112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.282209] ? zap_class+0x640/0x640 [ 394.285935] ? __lock_is_held+0xb5/0x140 [ 394.289998] ? mark_held_locks+0x130/0x130 [ 394.294227] ? lock_release+0xa00/0xa00 [ 394.298195] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.303638] ? xa_load+0x2ba/0x460 [ 394.307173] ? lock_downgrade+0x900/0x900 [ 394.311323] ? __might_sleep+0x95/0x190 [ 394.315297] __alloc_pages_nodemask+0xa80/0xde0 [ 394.319962] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 394.324972] ? __page_cache_alloc+0x191/0x5c0 [ 394.329567] ? xa_load+0x2e1/0x460 [ 394.333107] ? xa_clear_mark+0x40/0x40 [ 394.337002] ? zap_class+0x640/0x640 [ 394.340708] ? zap_class+0x640/0x640 [ 394.344412] ? zap_class+0x640/0x640 [ 394.348130] ? __do_page_cache_readahead+0x663/0x810 [ 394.353223] ? find_held_lock+0x36/0x1c0 [ 394.357277] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 394.363860] alloc_pages_current+0x173/0x350 [ 394.368267] __page_cache_alloc+0x38c/0x5c0 [ 394.372578] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.377505] ? kasan_check_read+0x11/0x20 [ 394.381643] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.386914] ? generic_perform_write+0x6a0/0x6a0 [ 394.391660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.397194] ? check_preemption_disabled+0x48/0x280 [ 394.402221] filemap_fault+0x1595/0x25f0 [ 394.406284] ? __lock_page_or_retry+0xa00/0xa00 [ 394.410948] ? mark_held_locks+0x130/0x130 [ 394.415189] ? filemap_map_pages+0xd6b/0x1a20 [ 394.419677] ? lock_downgrade+0x900/0x900 [ 394.423821] ? check_preemption_disabled+0x48/0x280 [ 394.428834] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.433756] ? kasan_check_read+0x11/0x20 [ 394.437897] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.443167] ? rcu_softirq_qs+0x20/0x20 [ 394.447143] ? filemap_map_pages+0xd92/0x1a20 [ 394.451646] ? find_get_entries_tag+0x1400/0x1400 [ 394.456482] ? debug_object_destroy+0x2b0/0x2b0 [ 394.462120] ? lock_pi_update_atomic+0x150/0x150 [ 394.466869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.472420] ? lock_acquire+0x1ed/0x520 [ 394.476383] ? ext4_filemap_fault+0x7a/0xad [ 394.480702] ? lock_release+0xa00/0xa00 [ 394.484671] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.490117] ? print_usage_bug+0xc0/0xc0 [ 394.494171] ? print_usage_bug+0xc0/0xc0 [ 394.498236] ? down_read+0x8d/0x120 [ 394.501851] ? ext4_filemap_fault+0x7a/0xad [ 394.506164] ? __down_interruptible+0x700/0x700 [ 394.510834] ext4_filemap_fault+0x82/0xad [ 394.514975] __do_fault+0x100/0x6b0 [ 394.518603] ? pmd_devmap_trans_unstable+0x220/0x220 [ 394.523703] ? mark_held_locks+0x130/0x130 [ 394.527932] ? mark_held_locks+0x130/0x130 [ 394.532163] ? do_raw_spin_trylock+0x270/0x270 [ 394.536745] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.542276] __handle_mm_fault+0x3ea0/0x5be0 [ 394.546675] ? perf_trace_lock+0x7a0/0x7a0 [ 394.550910] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 394.555754] ? __switch_to_asm+0x34/0x70 [ 394.560548] ? __switch_to_asm+0x34/0x70 [ 394.564615] ? zap_class+0x640/0x640 [ 394.568319] ? zap_class+0x640/0x640 [ 394.572019] ? __x64_sys_futex+0x53e/0x6a0 [ 394.576244] ? find_held_lock+0x36/0x1c0 [ 394.580303] ? handle_mm_fault+0x42a/0xc70 [ 394.584531] ? lock_downgrade+0x900/0x900 [ 394.588678] ? check_preemption_disabled+0x48/0x280 [ 394.593696] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.598615] ? kasan_check_read+0x11/0x20 [ 394.602750] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.608019] ? rcu_softirq_qs+0x20/0x20 [ 394.611990] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.617088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.622623] ? check_preemption_disabled+0x48/0x280 [ 394.627640] handle_mm_fault+0x54f/0xc70 [ 394.631694] ? __handle_mm_fault+0x5be0/0x5be0 [ 394.636273] ? find_vma+0x34/0x190 [ 394.639815] __do_page_fault+0x5e8/0xe60 [ 394.643871] ? trace_hardirqs_off+0xb8/0x310 [ 394.648279] do_page_fault+0xf2/0x7e0 [ 394.652077] ? vmalloc_sync_all+0x30/0x30 [ 394.656220] ? error_entry+0x70/0xd0 [ 394.660590] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.665602] ? trace_hardirqs_on_caller+0xc0/0x310 [ 394.670529] ? syscall_return_slowpath+0x5e0/0x5e0 [ 394.675464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.680297] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.685305] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.690757] ? prepare_exit_to_usermode+0x291/0x3b0 [ 394.695764] ? page_fault+0x8/0x30 [ 394.699298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.704134] ? page_fault+0x8/0x30 [ 394.707666] page_fault+0x1e/0x30 [ 394.711113] RIP: 0033:0x45ddf3 [ 394.714326] Code: Bad RIP value. [ 394.717694] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 394.723047] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 394.730303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 394.737560] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 394.744821] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 394.752080] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 394.760118] warn_alloc_show_mem: 1 callbacks suppressed [ 394.760126] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 394.760128] Mem-Info: [ 394.760157] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 394.760157] active_file:12 inactive_file:13 isolated_file:0 [ 394.760157] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.760157] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 394.760157] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 394.760157] free:13705 free_pcp:178 free_cma:0 [ 394.765490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.772235] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 394.774624] Call Trace: [ 394.807475] Node 0 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 [ 394.816821] dump_stack+0x244/0x39d [ 394.844715] lowmem_reserve[]: 0 2818 6321 6321 [ 394.847289] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.874312] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 394.877938] warn_alloc.cold.116+0xb7/0x1bd [ 394.882479] lowmem_reserve[]: 0 0 3503 3503 [ 394.887657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.915121] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 394.919431] ? lock_downgrade+0x900/0x900 [ 394.923720] lowmem_reserve[]: 0 0 0 0 [ 394.928551] ? trace_hardirqs_off+0xb8/0x310 [ 394.957489] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 394.962007] ? trace_hardirqs_off+0xb8/0x310 [ 394.965775] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 394.970176] __alloc_pages_slowpath+0x26e8/0x2e10 [ 394.983666] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 394.988087] ? warn_alloc+0x120/0x120 [ 395.003303] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.008135] ? print_usage_bug+0xc0/0xc0 [ 395.022325] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.026117] ? warn_alloc+0x120/0x120 [ 395.034921] 366 total pagecache pages [ 395.038963] ? warn_alloc+0x120/0x120 [ 395.047529] 0 pages in swap cache [ 395.051305] ? print_usage_bug+0xc0/0xc0 [ 395.055082] Swap cache stats: add 0, delete 0, find 0/0 [ 395.059177] ? print_usage_bug+0xc0/0xc0 [ 395.062599] Free swap = 0kB [ 395.066643] ? __lock_acquire+0x62f/0x4c20 [ 395.071980] Total swap = 0kB [ 395.076039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.079027] 1965979 pages RAM [ 395.083248] ? should_fail+0x22d/0xd01 [ 395.086234] 0 pages HighMem/MovableOnly [ 395.091770] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.094842] 342854 pages reserved [ 395.098711] ? __lock_acquire+0x62f/0x4c20 [ 395.102664] 0 pages cma reserved [ 395.107747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.111313] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.115380] ? __lock_acquire+0x62f/0x4c20 [ 395.118714] syz-fuzzer cpuset=/ mems_allowed=0 [ 395.123789] ? should_fail+0x22d/0xd01 [ 395.123803] ? find_held_lock+0x36/0x1c0 [ 395.150685] ? mark_held_locks+0x130/0x130 [ 395.154910] ? mark_held_locks+0x130/0x130 [ 395.159404] ? zap_class+0x640/0x640 [ 395.163113] ? mark_held_locks+0xc7/0x130 [ 395.167259] ? do_raw_spin_unlock+0xa7/0x330 [ 395.171661] ? zap_class+0x640/0x640 [ 395.175366] ? print_usage_bug+0xc0/0xc0 [ 395.179421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.184948] ? check_preemption_disabled+0x48/0x280 [ 395.189967] ? __lock_is_held+0xb5/0x140 [ 395.194029] __alloc_pages_nodemask+0xa80/0xde0 [ 395.198692] ? zap_class+0x640/0x640 [ 395.202399] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 395.207415] ? find_held_lock+0x36/0x1c0 [ 395.211475] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.216137] ? lock_downgrade+0x900/0x900 [ 395.220282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.225827] cache_grow_begin+0xa5/0x8c0 [ 395.229894] ? do_raw_spin_unlock+0xa7/0x330 [ 395.234296] fallback_alloc+0x204/0x2e0 [ 395.238261] ____cache_alloc_node+0x1c7/0x1e0 [ 395.242750] kmem_cache_alloc_node+0xe3/0x730 [ 395.247240] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.251474] __alloc_skb+0x119/0x770 [ 395.255179] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.260713] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.265113] ? lock_downgrade+0x900/0x900 [ 395.269257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.274786] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.280230] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.285671] ? addrconf_rs_timer+0x690/0x690 [ 395.290085] ndisc_alloc_skb+0x144/0x340 [ 395.294141] ndisc_send_rs+0x331/0x6e0 [ 395.298113] addrconf_rs_timer+0x314/0x690 [ 395.302338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.306580] call_timer_fn+0x272/0x920 [ 395.310459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.314687] ? process_timeout+0x40/0x40 [ 395.318752] ? __run_timers+0x7da/0xc70 [ 395.322714] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.327198] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.331685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.335914] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.340491] ? trace_hardirqs_on+0xbd/0x310 [ 395.344804] ? kasan_check_read+0x11/0x20 [ 395.348946] ? __run_timers+0x7da/0xc70 [ 395.352912] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.358253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.362480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.366703] __run_timers+0x7e5/0xc70 [ 395.370506] ? timer_fixup_init+0x70/0x70 [ 395.374654] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.379136] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.383641] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 395.388217] ? trace_hardirqs_on+0xbd/0x310 [ 395.392559] ? kasan_check_read+0x11/0x20 [ 395.396721] ? finish_task_switch+0x1f4/0x910 [ 395.401211] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.406304] ? compat_start_thread+0x80/0x80 [ 395.410719] ? pvclock_read_flags+0x160/0x160 [ 395.415202] ? __switch_to_asm+0x34/0x70 [ 395.419257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.424785] ? check_preemption_disabled+0x48/0x280 [ 395.429794] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 395.435329] ? rcu_pm_notify+0xc0/0xc0 [ 395.439207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.444733] ? check_preemption_disabled+0x48/0x280 [ 395.449739] run_timer_softirq+0x52/0xb0 [ 395.453792] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.459141] __do_softirq+0x308/0xb7e [ 395.462936] ? trace_hardirqs_on_caller+0xc0/0x310 [ 395.467969] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 395.473065] ? trace_hardirqs_on+0x310/0x310 [ 395.477491] ? schedule+0x108/0x460 [ 395.481127] ? trace_hardirqs_off+0xb8/0x310 [ 395.485528] ? smpboot_thread_fn+0x68b/0xa00 [ 395.489930] ? trace_hardirqs_on+0x310/0x310 [ 395.494334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.499861] ? check_preemption_disabled+0x48/0x280 [ 395.504872] ? takeover_tasklets+0xa90/0xa90 [ 395.509270] run_ksoftirqd+0x5e/0x100 [ 395.513063] smpboot_thread_fn+0x68b/0xa00 [ 395.517309] ? sort_range+0x30/0x30 [ 395.520929] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 395.526021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.531556] ? __kthread_parkme+0xfb/0x1a0 [ 395.535786] ? sort_range+0x30/0x30 [ 395.539493] kthread+0x35a/0x440 [ 395.542860] ? kthread_stop+0x900/0x900 [ 395.546822] ret_from_fork+0x3a/0x50 [ 395.550552] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 395.550628] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.557486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.557491] Call Trace: [ 395.557497] [ 395.557514] dump_stack+0x244/0x39d [ 395.557539] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.564421] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.573686] warn_alloc.cold.116+0xb7/0x1bd [ 395.576230] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 395.578362] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.611179] ? lock_downgrade+0x900/0x900 [ 395.615327] ? trace_hardirqs_off+0xb8/0x310 [ 395.619735] ? trace_hardirqs_off+0xb8/0x310 [ 395.624144] __alloc_pages_slowpath+0x26e8/0x2e10 [ 395.629003] ? warn_alloc+0x120/0x120 [ 395.632801] ? warn_alloc+0x120/0x120 [ 395.636596] ? warn_alloc+0x120/0x120 [ 395.640388] ? __lock_is_held+0xb5/0x140 [ 395.644445] ? print_usage_bug+0xc0/0xc0 [ 395.648501] ? print_usage_bug+0xc0/0xc0 [ 395.652560] ? print_usage_bug+0xc0/0xc0 [ 395.656617] ? __lock_acquire+0x62f/0x4c20 [ 395.661782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.667311] ? should_fail+0x22d/0xd01 [ 395.671191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.676285] ? __lock_acquire+0x62f/0x4c20 [ 395.680532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.685642] ? should_fail+0x22d/0xd01 [ 395.689553] ? mark_held_locks+0x130/0x130 [ 395.693782] ? mark_held_locks+0x130/0x130 [ 395.698010] ? print_usage_bug+0xc0/0xc0 [ 395.702069] ? find_held_lock+0x36/0x1c0 [ 395.706123] ? zap_class+0x640/0x640 [ 395.709830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.715372] ? check_preemption_disabled+0x48/0x280 [ 395.720382] ? __lock_is_held+0xb5/0x140 [ 395.724547] __alloc_pages_nodemask+0xa80/0xde0 [ 395.729208] ? zap_class+0x640/0x640 [ 395.732921] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 395.737947] ? find_held_lock+0x36/0x1c0 [ 395.742004] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.746683] ? lock_downgrade+0x900/0x900 [ 395.750833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.756362] cache_grow_begin+0xa5/0x8c0 [ 395.760872] ? do_raw_spin_unlock+0xa7/0x330 [ 395.765500] fallback_alloc+0x204/0x2e0 [ 395.769477] ____cache_alloc_node+0x1c7/0x1e0 [ 395.773976] kmem_cache_alloc_node+0xe3/0x730 [ 395.778464] ? mark_held_locks+0xc7/0x130 [ 395.782614] __alloc_skb+0x119/0x770 [ 395.786418] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.790823] ? do_raw_spin_trylock+0x270/0x270 [ 395.795398] ? kmem_cache_alloc_trace+0x353/0x750 [ 395.800232] ? queue_work_on+0x12c/0x1e0 [ 395.804293] ? switchdev_port_obj_del+0xdc/0x440 [ 395.809049] ? switchdev_trans_item_enqueue+0x260/0x260 [ 395.814403] ? clockevents_program_event+0x158/0x370 [ 395.819596] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 395.824608] __br_mdb_notify+0x4ff/0x15d0 [ 395.828763] ? __br_mdb_add+0x7f0/0x7f0 [ 395.832731] ? kvm_clock_read+0x18/0x30 [ 395.836695] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 395.841703] ? ktime_get+0x2c1/0x400 [ 395.845408] ? check_preemption_disabled+0x48/0x280 [ 395.850417] ? br_multicast_group_expired+0x96/0x610 [ 395.855514] ? rcu_softirq_qs+0x20/0x20 [ 395.859983] br_mdb_notify+0x310/0x410 [ 395.863866] ? br_mdb_dump+0x27b0/0x27b0 [ 395.867923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.873460] br_multicast_group_expired+0x1bc/0x610 [ 395.878474] ? br_mdb_free+0x80/0x80 [ 395.882199] call_timer_fn+0x272/0x920 [ 395.886078] ? br_mdb_free+0x80/0x80 [ 395.889782] ? process_timeout+0x40/0x40 [ 395.893836] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.899292] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 395.904050] ? retint_kernel+0x2d/0x2d [ 395.907926] ? br_mdb_free+0x80/0x80 [ 395.911642] ? br_mdb_free+0x80/0x80 [ 395.915342] __run_timers+0x7e5/0xc70 [ 395.919141] ? timer_fixup_init+0x70/0x70 [ 395.923280] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.928287] ? zap_class+0x640/0x640 [ 395.932463] ? print_usage_bug+0xc0/0xc0 [ 395.936525] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.941709] ? find_held_lock+0x36/0x1c0 [ 395.945764] ? zap_class+0x640/0x640 [ 395.949575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.955106] ? check_preemption_disabled+0x48/0x280 [ 395.960896] ? __lock_is_held+0xb5/0x140 [ 395.964947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.970485] ? check_preemption_disabled+0x48/0x280 [ 395.975514] run_timer_softirq+0x52/0xb0 [ 395.979572] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.984586] __do_softirq+0x308/0xb7e [ 395.988383] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 395.992872] ? lock_downgrade+0x900/0x900 [ 395.997045] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.002157] ? pvclock_read_flags+0x160/0x160 [ 396.006663] ? lapic_next_event+0x5a/0x90 [ 396.010822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.016359] ? kvm_clock_read+0x18/0x30 [ 396.020326] ? kvm_sched_clock_read+0x9/0x20 [ 396.024723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.030247] ? check_preemption_disabled+0x48/0x280 [ 396.035264] irq_exit+0x17f/0x1c0 [ 396.038711] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.043547] ? smp_reschedule_interrupt+0x109/0x650 [ 396.048555] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.054426] ? interrupt_entry+0xb5/0xc0 [ 396.058934] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.063935] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.068943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.073769] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.078778] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.083781] ? task_prio+0x50/0x50 [ 396.087328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.092853] ? check_preemption_disabled+0x48/0x280 [ 396.097864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.102706] apic_timer_interrupt+0xf/0x20 [ 396.106940] [ 396.109265] RIP: 0010:dump_stack+0x358/0x39d [ 396.113660] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 396.132565] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 396.140265] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 396.147547] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 396.154808] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 396.162552] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 396.169814] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 396.177087] ? dump_stack+0x34f/0x39d [ 396.180894] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.186090] ? mark_held_locks+0x130/0x130 [ 396.190318] ? mark_held_locks+0x130/0x130 [ 396.194553] dump_header+0x27b/0xf72 [ 396.198267] ? pagefault_out_of_memory+0x197/0x197 [ 396.203195] ? __lock_acquire+0x62f/0x4c20 [ 396.207423] ? percpu_ref_get_many+0x240/0x240 [ 396.212003] ? print_usage_bug+0xc0/0xc0 [ 396.216058] ? zap_class+0x640/0x640 [ 396.219767] ? print_usage_bug+0xc0/0xc0 [ 396.223820] ? print_usage_bug+0xc0/0xc0 [ 396.227875] ? zap_class+0x640/0x640 [ 396.231590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.237138] ? find_held_lock+0x36/0x1c0 [ 396.241199] ? mark_held_locks+0xc7/0x130 [ 396.245343] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.250432] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.255528] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 396.261038] ? trace_hardirqs_on+0xbd/0x310 [ 396.265354] ? kasan_check_read+0x11/0x20 [ 396.269521] ? ___ratelimit+0x3b4/0x672 [ 396.273499] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.278596] ? trace_hardirqs_on+0x310/0x310 [ 396.282998] ? lock_downgrade+0x900/0x900 [ 396.287140] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.292233] ? ___ratelimit+0x3b9/0x672 [ 396.296200] ? idr_get_free+0xf70/0xf70 [ 396.300162] ? find_held_lock+0x36/0x1c0 [ 396.304221] oom_kill_process.cold.27+0x10/0x903 [ 396.308968] ? zap_class+0x640/0x640 [ 396.312675] ? check_preemption_disabled+0x48/0x280 [ 396.317682] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.322617] ? kasan_check_read+0x11/0x20 [ 396.326760] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.332029] ? oom_evaluate_task+0x540/0x540 [ 396.336436] ? find_held_lock+0x36/0x1c0 [ 396.340506] ? out_of_memory+0x974/0x1430 [ 396.344658] ? lock_downgrade+0x900/0x900 [ 396.348797] ? check_preemption_disabled+0x48/0x280 [ 396.353806] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.358994] ? kasan_check_read+0x11/0x20 [ 396.363136] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.368407] ? rcu_softirq_qs+0x20/0x20 [ 396.372378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.377903] ? oom_evaluate_task+0x302/0x540 [ 396.382395] out_of_memory+0xa84/0x1430 [ 396.386369] ? oom_killer_disable+0x3a0/0x3a0 [ 396.390888] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 396.395826] ? __ww_mutex_check_waiters+0x160/0x160 [ 396.400842] __alloc_pages_slowpath+0x2354/0x2e10 [ 396.405704] ? warn_alloc+0x120/0x120 [ 396.409496] ? mark_held_locks+0x130/0x130 [ 396.413725] ? find_get_entry+0xaae/0x1120 [ 396.417954] ? filemap_map_pages+0x1a20/0x1a20 [ 396.422533] ? zap_class+0x640/0x640 [ 396.426247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.431772] ? check_preemption_disabled+0x48/0x280 [ 396.436775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.442302] ? should_fail+0x22d/0xd01 [ 396.446182] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.451280] ? zap_class+0x640/0x640 [ 396.455010] ? __lock_is_held+0xb5/0x140 [ 396.459330] ? mark_held_locks+0x130/0x130 [ 396.463556] ? lock_release+0xa00/0xa00 [ 396.467528] ? perf_trace_sched_process_exec+0x860/0x860 [ 396.472972] ? xa_load+0x2ba/0x460 [ 396.476507] ? lock_downgrade+0x900/0x900 [ 396.480650] ? __might_sleep+0x95/0x190 [ 396.484624] __alloc_pages_nodemask+0xa80/0xde0 [ 396.489291] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 396.494299] ? __page_cache_alloc+0x191/0x5c0 [ 396.498787] ? xa_load+0x2e1/0x460 [ 396.502324] ? xa_clear_mark+0x40/0x40 [ 396.506207] ? zap_class+0x640/0x640 [ 396.509918] ? zap_class+0x640/0x640 [ 396.513738] ? zap_class+0x640/0x640 [ 396.517531] ? __do_page_cache_readahead+0x663/0x810 [ 396.522656] ? find_held_lock+0x36/0x1c0 [ 396.526707] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 396.532238] alloc_pages_current+0x173/0x350 [ 396.536644] __page_cache_alloc+0x38c/0x5c0 [ 396.540954] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.545874] ? kasan_check_read+0x11/0x20 [ 396.550014] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.555286] ? generic_perform_write+0x6a0/0x6a0 [ 396.560540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.566070] ? check_preemption_disabled+0x48/0x280 [ 396.571194] filemap_fault+0x1595/0x25f0 [ 396.575261] ? __lock_page_or_retry+0xa00/0xa00 [ 396.579921] ? mark_held_locks+0x130/0x130 [ 396.584153] ? filemap_map_pages+0xd6b/0x1a20 [ 396.588643] ? lock_downgrade+0x900/0x900 [ 396.592789] ? check_preemption_disabled+0x48/0x280 [ 396.597801] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.602723] ? kasan_check_read+0x11/0x20 [ 396.606863] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.612133] ? rcu_softirq_qs+0x20/0x20 [ 396.616110] ? filemap_map_pages+0xd92/0x1a20 [ 396.620608] ? find_get_entries_tag+0x1400/0x1400 [ 396.625443] ? debug_object_destroy+0x2b0/0x2b0 [ 396.630115] ? lock_pi_update_atomic+0x150/0x150 [ 396.634873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.640416] ? lock_acquire+0x1ed/0x520 [ 396.644385] ? ext4_filemap_fault+0x7a/0xad [ 396.648707] ? lock_release+0xa00/0xa00 [ 396.652668] ? perf_trace_sched_process_exec+0x860/0x860 [ 396.658630] ? print_usage_bug+0xc0/0xc0 [ 396.662682] ? print_usage_bug+0xc0/0xc0 [ 396.666746] ? down_read+0x8d/0x120 [ 396.670366] ? ext4_filemap_fault+0x7a/0xad [ 396.674679] ? __down_interruptible+0x700/0x700 [ 396.679347] ext4_filemap_fault+0x82/0xad [ 396.683489] __do_fault+0x100/0x6b0 [ 396.687112] ? pmd_devmap_trans_unstable+0x220/0x220 [ 396.692208] ? mark_held_locks+0x130/0x130 [ 396.696430] ? mark_held_locks+0x130/0x130 [ 396.700687] ? do_raw_spin_trylock+0x270/0x270 [ 396.705267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.710800] __handle_mm_fault+0x3ea0/0x5be0 [ 396.715198] ? perf_trace_lock+0x7a0/0x7a0 [ 396.719430] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 396.724274] ? __switch_to_asm+0x34/0x70 [ 396.728326] ? __switch_to_asm+0x34/0x70 [ 396.732385] ? zap_class+0x640/0x640 [ 396.736092] ? zap_class+0x640/0x640 [ 396.739797] ? __x64_sys_futex+0x53e/0x6a0 [ 396.744028] ? find_held_lock+0x36/0x1c0 [ 396.748086] ? handle_mm_fault+0x42a/0xc70 [ 396.752311] ? lock_downgrade+0x900/0x900 [ 396.756455] ? check_preemption_disabled+0x48/0x280 [ 396.761747] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.766664] ? kasan_check_read+0x11/0x20 [ 396.770803] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.776067] ? rcu_softirq_qs+0x20/0x20 [ 396.780035] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.785218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.790748] ? check_preemption_disabled+0x48/0x280 [ 396.795760] handle_mm_fault+0x54f/0xc70 [ 396.799813] ? __handle_mm_fault+0x5be0/0x5be0 [ 396.804390] ? find_vma+0x34/0x190 [ 396.807927] __do_page_fault+0x5e8/0xe60 [ 396.811985] ? trace_hardirqs_off+0xb8/0x310 [ 396.816395] do_page_fault+0xf2/0x7e0 [ 396.820186] ? vmalloc_sync_all+0x30/0x30 [ 396.824418] ? error_entry+0x70/0xd0 [ 396.828150] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.833152] ? trace_hardirqs_on_caller+0xc0/0x310 [ 396.838069] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.842986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.847815] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.852821] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.859081] ? prepare_exit_to_usermode+0x291/0x3b0 [ 396.864084] ? page_fault+0x8/0x30 [ 396.867621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.872459] ? page_fault+0x8/0x30 [ 396.875987] page_fault+0x1e/0x30 [ 396.879436] RIP: 0033:0x45ddf3 [ 396.882633] Code: Bad RIP value. [ 396.885985] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 396.891342] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 396.898603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 396.905898] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 396.913162] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 396.920423] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 396.927709] warn_alloc_show_mem: 1 callbacks suppressed [ 396.927718] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 396.927719] Mem-Info: [ 396.927749] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 396.927749] active_file:12 inactive_file:13 isolated_file:0 [ 396.927749] unevictable:0 dirty:0 writeback:0 unstable:0 [ 396.927749] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 396.927749] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 396.927749] free:13705 free_pcp:178 free_cma:0 [ 396.933083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.939832] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 396.942217] Call Trace: [ 396.975830] Node 0 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 [ 396.985173] dump_stack+0x244/0x39d [ 397.012802] lowmem_reserve[]: 0 2818 6321 6321 [ 397.015393] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.041574] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 397.045210] warn_alloc.cold.116+0xb7/0x1bd [ 397.049750] lowmem_reserve[]: 0 0 3503 3503 [ 397.054929] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.083280] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 397.087605] ? lock_downgrade+0x900/0x900 [ 397.091893] lowmem_reserve[]: 0 0 0 0 [ 397.096724] ? trace_hardirqs_off+0xb8/0x310 [ 397.125772] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 397.129913] ? trace_hardirqs_off+0xb8/0x310 [ 397.133680] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 397.138083] __alloc_pages_slowpath+0x26e8/0x2e10 [ 397.151564] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 397.155983] ? warn_alloc+0x120/0x120 [ 397.171706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 397.176528] ? print_usage_bug+0xc0/0xc0 [ 397.190718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 397.194501] ? warn_alloc+0x120/0x120 [ 397.203303] 366 total pagecache pages [ 397.207347] ? warn_alloc+0x120/0x120 [ 397.215894] 0 pages in swap cache [ 397.219667] ? print_usage_bug+0xc0/0xc0 [ 397.223447] Swap cache stats: add 0, delete 0, find 0/0 [ 397.227226] ? print_usage_bug+0xc0/0xc0 [ 397.230649] Free swap = 0kB [ 397.234694] ? __lock_acquire+0x62f/0x4c20 [ 397.240026] Total swap = 0kB [ 397.244073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.247058] 1965979 pages RAM [ 397.251285] ? should_fail+0x22d/0xd01 [ 397.254269] 0 pages HighMem/MovableOnly [ 397.260054] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.263123] 342854 pages reserved [ 397.263130] 0 pages cma reserved [ 397.267000] ? __lock_acquire+0x62f/0x4c20 [ 397.271076] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.276032] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.279453] syz-fuzzer cpuset=/ mems_allowed=0 [ 397.282802] ? __lock_acquire+0x62f/0x4c20 [ 397.311054] ? should_fail+0x22d/0xd01 [ 397.314940] ? find_held_lock+0x36/0x1c0 [ 397.319013] ? mark_held_locks+0x130/0x130 [ 397.323243] ? mark_held_locks+0x130/0x130 [ 397.327484] ? zap_class+0x640/0x640 [ 397.331193] ? mark_held_locks+0xc7/0x130 [ 397.335329] ? do_raw_spin_unlock+0xa7/0x330 [ 397.339729] ? zap_class+0x640/0x640 [ 397.343436] ? print_usage_bug+0xc0/0xc0 [ 397.347495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.353032] ? check_preemption_disabled+0x48/0x280 [ 397.358347] ? __lock_is_held+0xb5/0x140 [ 397.362422] __alloc_pages_nodemask+0xa80/0xde0 [ 397.367087] ? zap_class+0x640/0x640 [ 397.370793] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 397.375829] ? find_held_lock+0x36/0x1c0 [ 397.379891] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.384555] ? lock_downgrade+0x900/0x900 [ 397.388702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.394233] cache_grow_begin+0xa5/0x8c0 [ 397.398285] ? do_raw_spin_unlock+0xa7/0x330 [ 397.402691] fallback_alloc+0x204/0x2e0 [ 397.406661] ____cache_alloc_node+0x1c7/0x1e0 [ 397.411156] kmem_cache_alloc_node+0xe3/0x730 [ 397.415639] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.419872] __alloc_skb+0x119/0x770 [ 397.423578] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.428848] ? netdev_alloc_frag+0x1f0/0x1f0 [ 397.433251] ? lock_downgrade+0x900/0x900 [ 397.437403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.442934] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.448383] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.453834] ? addrconf_rs_timer+0x690/0x690 [ 397.458626] ndisc_alloc_skb+0x144/0x340 [ 397.462693] ndisc_send_rs+0x331/0x6e0 [ 397.466667] addrconf_rs_timer+0x314/0x690 [ 397.470897] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.475135] call_timer_fn+0x272/0x920 [ 397.479017] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.483247] ? process_timeout+0x40/0x40 [ 397.487309] ? __run_timers+0x7da/0xc70 [ 397.491275] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.495764] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.500253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.504481] ? lockdep_hardirqs_on+0x296/0x5b0 [ 397.509056] ? trace_hardirqs_on+0xbd/0x310 [ 397.513370] ? kasan_check_read+0x11/0x20 [ 397.517519] ? __run_timers+0x7da/0xc70 [ 397.521503] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.526614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.530846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.535085] __run_timers+0x7e5/0xc70 [ 397.538884] ? timer_fixup_init+0x70/0x70 [ 397.543020] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.547523] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.552014] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 397.556603] ? trace_hardirqs_on+0xbd/0x310 [ 397.561254] ? kasan_check_read+0x11/0x20 [ 397.565402] ? finish_task_switch+0x1f4/0x910 [ 397.569890] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.574986] ? compat_start_thread+0x80/0x80 [ 397.579417] ? pvclock_read_flags+0x160/0x160 [ 397.583898] ? __switch_to_asm+0x34/0x70 [ 397.587963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.593493] ? check_preemption_disabled+0x48/0x280 [ 397.598503] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 397.604032] ? rcu_pm_notify+0xc0/0xc0 [ 397.607912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.613438] ? check_preemption_disabled+0x48/0x280 [ 397.618446] run_timer_softirq+0x52/0xb0 [ 397.622496] ? rcu_read_lock_sched_held+0x14f/0x180 [ 397.627501] __do_softirq+0x308/0xb7e [ 397.631299] ? trace_hardirqs_on_caller+0xc0/0x310 [ 397.636225] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 397.641320] ? trace_hardirqs_on+0x310/0x310 [ 397.645730] ? schedule+0x108/0x460 [ 397.649358] ? trace_hardirqs_off+0xb8/0x310 [ 397.653767] ? smpboot_thread_fn+0x68b/0xa00 [ 397.658504] ? trace_hardirqs_on+0x310/0x310 [ 397.662905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.668437] ? check_preemption_disabled+0x48/0x280 [ 397.673452] ? takeover_tasklets+0xa90/0xa90 [ 397.677852] run_ksoftirqd+0x5e/0x100 [ 397.681644] smpboot_thread_fn+0x68b/0xa00 [ 397.685876] ? sort_range+0x30/0x30 [ 397.689494] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.694585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.700118] ? __kthread_parkme+0xfb/0x1a0 [ 397.704350] ? sort_range+0x30/0x30 [ 397.707984] kthread+0x35a/0x440 [ 397.711344] ? kthread_stop+0x900/0x900 [ 397.715313] ret_from_fork+0x3a/0x50 [ 397.719034] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 397.719102] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.725951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.725955] Call Trace: [ 397.725961] [ 397.725974] dump_stack+0x244/0x39d [ 397.725991] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.732564] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.741825] warn_alloc.cold.116+0xb7/0x1bd [ 397.744373] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 397.746520] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.780368] ? lock_downgrade+0x900/0x900 [ 397.784528] ? trace_hardirqs_off+0xb8/0x310 [ 397.788938] ? trace_hardirqs_off+0xb8/0x310 [ 397.793348] __alloc_pages_slowpath+0x26e8/0x2e10 [ 397.798228] ? warn_alloc+0x120/0x120 [ 397.802023] ? warn_alloc+0x120/0x120 [ 397.805819] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 397.810841] ? warn_alloc+0x120/0x120 [ 397.814638] ? print_usage_bug+0xc0/0xc0 [ 397.818693] ? print_usage_bug+0xc0/0xc0 [ 397.822746] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 397.827936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.833465] ? should_fail+0x22d/0xd01 [ 397.837352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.842459] ? __lock_acquire+0x62f/0x4c20 [ 397.846687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.851784] ? should_fail+0x22d/0xd01 [ 397.855673] ? mark_held_locks+0x130/0x130 [ 397.860854] ? mark_held_locks+0x130/0x130 [ 397.865083] ? print_usage_bug+0xc0/0xc0 [ 397.869140] ? find_held_lock+0x36/0x1c0 [ 397.873199] ? zap_class+0x640/0x640 [ 397.876924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.882455] ? check_preemption_disabled+0x48/0x280 [ 397.887476] ? __lock_is_held+0xb5/0x140 [ 397.891536] __alloc_pages_nodemask+0xa80/0xde0 [ 397.896202] ? zap_class+0x640/0x640 [ 397.899913] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 397.904935] ? find_held_lock+0x36/0x1c0 [ 397.908999] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.913675] ? lock_downgrade+0x900/0x900 [ 397.917822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.923377] cache_grow_begin+0xa5/0x8c0 [ 397.927434] ? do_raw_spin_unlock+0xa7/0x330 [ 397.932152] fallback_alloc+0x204/0x2e0 [ 397.936128] ____cache_alloc_node+0x1c7/0x1e0 [ 397.940643] kmem_cache_alloc_node+0xe3/0x730 [ 397.945128] ? mark_held_locks+0xc7/0x130 [ 397.949276] __alloc_skb+0x119/0x770 [ 397.952983] ? netdev_alloc_frag+0x1f0/0x1f0 [ 397.957387] ? do_raw_spin_trylock+0x270/0x270 [ 397.962748] ? kmem_cache_alloc_trace+0x353/0x750 [ 397.967581] ? queue_work_on+0x12c/0x1e0 [ 397.971635] ? switchdev_port_obj_del+0xdc/0x440 [ 397.976387] ? switchdev_trans_item_enqueue+0x260/0x260 [ 397.981751] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 397.986763] __br_mdb_notify+0x4ff/0x15d0 [ 397.990913] ? __br_mdb_add+0x7f0/0x7f0 [ 397.994891] ? zap_class+0x640/0x640 [ 397.998607] ? br_multicast_group_expired+0x96/0x610 [ 398.003703] ? lock_downgrade+0x900/0x900 [ 398.007847] br_mdb_notify+0x310/0x410 [ 398.011732] ? br_mdb_dump+0x27b0/0x27b0 [ 398.015786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.021324] br_multicast_group_expired+0x1bc/0x610 [ 398.026339] ? br_mdb_free+0x80/0x80 [ 398.030064] call_timer_fn+0x272/0x920 [ 398.033938] ? br_mdb_free+0x80/0x80 [ 398.037654] ? process_timeout+0x40/0x40 [ 398.041720] ? mark_held_locks+0xc7/0x130 [ 398.045865] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.050366] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.054854] ? br_mdb_free+0x80/0x80 [ 398.059183] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.063758] ? trace_hardirqs_on+0xbd/0x310 [ 398.068091] ? kasan_check_read+0x11/0x20 [ 398.072233] ? __run_timers+0x7da/0xc70 [ 398.076207] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.081306] ? br_mdb_free+0x80/0x80 [ 398.085021] ? br_mdb_free+0x80/0x80 [ 398.088722] __run_timers+0x7e5/0xc70 [ 398.092522] ? timer_fixup_init+0x70/0x70 [ 398.096662] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 398.101670] ? zap_class+0x640/0x640 [ 398.105397] ? print_usage_bug+0xc0/0xc0 [ 398.109459] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 398.114655] ? find_held_lock+0x36/0x1c0 [ 398.118711] ? zap_class+0x640/0x640 [ 398.122444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.127976] ? check_preemption_disabled+0x48/0x280 [ 398.132988] ? __lock_is_held+0xb5/0x140 [ 398.137038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.142565] ? check_preemption_disabled+0x48/0x280 [ 398.147576] run_timer_softirq+0x52/0xb0 [ 398.151629] ? rcu_read_lock_sched_held+0x14f/0x180 [ 398.156635] __do_softirq+0x308/0xb7e [ 398.160708] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 398.165197] ? lock_downgrade+0x900/0x900 [ 398.169338] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 398.174445] ? pvclock_read_flags+0x160/0x160 [ 398.178931] ? lapic_next_event+0x5a/0x90 [ 398.183071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.188606] ? kvm_clock_read+0x18/0x30 [ 398.192585] ? kvm_sched_clock_read+0x9/0x20 [ 398.196989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.202521] ? check_preemption_disabled+0x48/0x280 [ 398.207537] irq_exit+0x17f/0x1c0 [ 398.210986] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.215817] ? smp_reschedule_interrupt+0x109/0x650 [ 398.220826] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.226702] ? interrupt_entry+0xb5/0xc0 [ 398.230769] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.235778] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.240800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.245646] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.250651] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.255663] ? task_prio+0x50/0x50 [ 398.260130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.265662] ? check_preemption_disabled+0x48/0x280 [ 398.270680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.275525] apic_timer_interrupt+0xf/0x20 [ 398.279756] [ 398.282003] RIP: 0010:dump_stack+0x358/0x39d [ 398.286405] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 398.305531] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 398.313230] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 398.320490] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 398.327753] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 398.335284] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 398.342546] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 398.349819] ? dump_stack+0x34f/0x39d [ 398.353623] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.359134] ? mark_held_locks+0x130/0x130 [ 398.363371] ? mark_held_locks+0x130/0x130 [ 398.367607] dump_header+0x27b/0xf72 [ 398.371325] ? pagefault_out_of_memory+0x197/0x197 [ 398.376269] ? __lock_acquire+0x62f/0x4c20 [ 398.380505] ? percpu_ref_get_many+0x240/0x240 [ 398.385085] ? print_usage_bug+0xc0/0xc0 [ 398.389144] ? zap_class+0x640/0x640 [ 398.392857] ? print_usage_bug+0xc0/0xc0 [ 398.396912] ? print_usage_bug+0xc0/0xc0 [ 398.400965] ? zap_class+0x640/0x640 [ 398.404672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.410219] ? find_held_lock+0x36/0x1c0 [ 398.414282] ? mark_held_locks+0xc7/0x130 [ 398.418425] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 398.423518] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 398.428631] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 398.433210] ? trace_hardirqs_on+0xbd/0x310 [ 398.437522] ? kasan_check_read+0x11/0x20 [ 398.441662] ? ___ratelimit+0x3b4/0x672 [ 398.445631] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.450856] ? trace_hardirqs_on+0x310/0x310 [ 398.455260] ? lock_downgrade+0x900/0x900 [ 398.459904] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 398.464995] ? ___ratelimit+0x3b9/0x672 [ 398.468970] ? idr_get_free+0xf70/0xf70 [ 398.472942] ? find_held_lock+0x36/0x1c0 [ 398.477001] oom_kill_process.cold.27+0x10/0x903 [ 398.481754] ? zap_class+0x640/0x640 [ 398.485465] ? check_preemption_disabled+0x48/0x280 [ 398.490497] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.495426] ? kasan_check_read+0x11/0x20 [ 398.499564] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.504835] ? oom_evaluate_task+0x540/0x540 [ 398.509241] ? find_held_lock+0x36/0x1c0 [ 398.513310] ? out_of_memory+0x974/0x1430 [ 398.517453] ? lock_downgrade+0x900/0x900 [ 398.521597] ? check_preemption_disabled+0x48/0x280 [ 398.526615] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.531535] ? kasan_check_read+0x11/0x20 [ 398.535672] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.540951] ? rcu_softirq_qs+0x20/0x20 [ 398.544921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.550465] ? oom_evaluate_task+0x302/0x540 [ 398.554891] out_of_memory+0xa84/0x1430 [ 398.559677] ? oom_killer_disable+0x3a0/0x3a0 [ 398.564161] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 398.569101] ? __ww_mutex_check_waiters+0x160/0x160 [ 398.574116] __alloc_pages_slowpath+0x2354/0x2e10 [ 398.578972] ? warn_alloc+0x120/0x120 [ 398.582763] ? mark_held_locks+0x130/0x130 [ 398.586989] ? find_get_entry+0xaae/0x1120 [ 398.591224] ? filemap_map_pages+0x1a20/0x1a20 [ 398.595801] ? zap_class+0x640/0x640 [ 398.599516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.605051] ? check_preemption_disabled+0x48/0x280 [ 398.610077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.615621] ? should_fail+0x22d/0xd01 [ 398.619505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.624601] ? zap_class+0x640/0x640 [ 398.628337] ? __lock_is_held+0xb5/0x140 [ 398.632398] ? mark_held_locks+0x130/0x130 [ 398.636625] ? lock_release+0xa00/0xa00 [ 398.640596] ? perf_trace_sched_process_exec+0x860/0x860 [ 398.646038] ? xa_load+0x2ba/0x460 [ 398.649574] ? lock_downgrade+0x900/0x900 [ 398.653726] ? __might_sleep+0x95/0x190 [ 398.658138] __alloc_pages_nodemask+0xa80/0xde0 [ 398.662806] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 398.667821] ? __page_cache_alloc+0x191/0x5c0 [ 398.672311] ? xa_load+0x2e1/0x460 [ 398.675857] ? xa_clear_mark+0x40/0x40 [ 398.679752] ? zap_class+0x640/0x640 [ 398.683482] ? zap_class+0x640/0x640 [ 398.687187] ? zap_class+0x640/0x640 [ 398.690889] ? __do_page_cache_readahead+0x663/0x810 [ 398.695989] ? find_held_lock+0x36/0x1c0 [ 398.700051] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 398.705586] alloc_pages_current+0x173/0x350 [ 398.709993] __page_cache_alloc+0x38c/0x5c0 [ 398.714308] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.719240] ? kasan_check_read+0x11/0x20 [ 398.723380] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.728648] ? generic_perform_write+0x6a0/0x6a0 [ 398.733397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.738931] ? check_preemption_disabled+0x48/0x280 [ 398.743941] filemap_fault+0x1595/0x25f0 [ 398.748004] ? __lock_page_or_retry+0xa00/0xa00 [ 398.752664] ? mark_held_locks+0x130/0x130 [ 398.756903] ? filemap_map_pages+0xd6b/0x1a20 [ 398.762077] ? lock_downgrade+0x900/0x900 [ 398.766237] ? check_preemption_disabled+0x48/0x280 [ 398.771253] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.776174] ? kasan_check_read+0x11/0x20 [ 398.780335] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.785613] ? rcu_softirq_qs+0x20/0x20 [ 398.789594] ? filemap_map_pages+0xd92/0x1a20 [ 398.794096] ? find_get_entries_tag+0x1400/0x1400 [ 398.798932] ? debug_object_destroy+0x2b0/0x2b0 [ 398.803596] ? lock_pi_update_atomic+0x150/0x150 [ 398.808343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.813888] ? lock_acquire+0x1ed/0x520 [ 398.817856] ? ext4_filemap_fault+0x7a/0xad [ 398.822173] ? lock_release+0xa00/0xa00 [ 398.826133] ? perf_trace_sched_process_exec+0x860/0x860 [ 398.831577] ? print_usage_bug+0xc0/0xc0 [ 398.835635] ? print_usage_bug+0xc0/0xc0 [ 398.839696] ? down_read+0x8d/0x120 [ 398.843323] ? ext4_filemap_fault+0x7a/0xad [ 398.847637] ? __down_interruptible+0x700/0x700 [ 398.852313] ext4_filemap_fault+0x82/0xad [ 398.856451] __do_fault+0x100/0x6b0 [ 398.860877] ? pmd_devmap_trans_unstable+0x220/0x220 [ 398.865974] ? mark_held_locks+0x130/0x130 [ 398.870326] ? mark_held_locks+0x130/0x130 [ 398.874564] ? do_raw_spin_trylock+0x270/0x270 [ 398.879149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.884683] __handle_mm_fault+0x3ea0/0x5be0 [ 398.889079] ? perf_trace_lock+0x7a0/0x7a0 [ 398.893341] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 398.898185] ? __switch_to_asm+0x34/0x70 [ 398.902237] ? __switch_to_asm+0x34/0x70 [ 398.906334] ? zap_class+0x640/0x640 [ 398.910041] ? zap_class+0x640/0x640 [ 398.913745] ? __x64_sys_futex+0x53e/0x6a0 [ 398.917980] ? find_held_lock+0x36/0x1c0 [ 398.922048] ? handle_mm_fault+0x42a/0xc70 [ 398.926278] ? lock_downgrade+0x900/0x900 [ 398.930424] ? check_preemption_disabled+0x48/0x280 [ 398.935436] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.940359] ? kasan_check_read+0x11/0x20 [ 398.944499] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.949770] ? rcu_softirq_qs+0x20/0x20 [ 398.953754] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.959652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.965182] ? check_preemption_disabled+0x48/0x280 [ 398.970194] handle_mm_fault+0x54f/0xc70 [ 398.974264] ? __handle_mm_fault+0x5be0/0x5be0 [ 398.978849] ? find_vma+0x34/0x190 [ 398.982406] __do_page_fault+0x5e8/0xe60 [ 398.986461] ? trace_hardirqs_off+0xb8/0x310 [ 398.990874] do_page_fault+0xf2/0x7e0 [ 398.994667] ? vmalloc_sync_all+0x30/0x30 [ 398.998831] ? error_entry+0x70/0xd0 [ 399.002542] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.007549] ? trace_hardirqs_on_caller+0xc0/0x310 [ 399.012469] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.017390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.022224] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.027233] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.032684] ? prepare_exit_to_usermode+0x291/0x3b0 [ 399.037695] ? page_fault+0x8/0x30 [ 399.041231] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.046069] ? page_fault+0x8/0x30 [ 399.049603] page_fault+0x1e/0x30 [ 399.053042] RIP: 0033:0x45ddf3 [ 399.056237] Code: Bad RIP value. [ 399.060112] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 399.065465] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 399.072725] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 399.079985] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 399.087246] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 399.094505] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 399.101786] warn_alloc_show_mem: 1 callbacks suppressed [ 399.101795] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 399.101796] Mem-Info: [ 399.101831] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 399.101831] active_file:12 inactive_file:13 isolated_file:0 [ 399.101831] unevictable:0 dirty:0 writeback:0 unstable:0 [ 399.101831] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 399.101831] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 399.101831] free:13705 free_pcp:178 free_cma:0 [ 399.107154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.113917] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 399.116312] Call Trace: [ 399.149167] Node 0 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 [ 399.158828] dump_stack+0x244/0x39d [ 399.186461] lowmem_reserve[]: 0 2818 6321 6321 [ 399.189043] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.215114] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 399.218754] warn_alloc.cold.116+0xb7/0x1bd [ 399.223297] lowmem_reserve[]: 0 0 3503 3503 [ 399.228481] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.255953] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 399.260627] ? lock_downgrade+0x900/0x900 [ 399.264916] lowmem_reserve[]: 0 0 0 0 [ 399.269753] ? trace_hardirqs_off+0xb8/0x310 [ 399.298688] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 399.302829] ? trace_hardirqs_off+0xb8/0x310 [ 399.306598] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 399.310998] __alloc_pages_slowpath+0x26e8/0x2e10 [ 399.324483] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 399.328911] ? warn_alloc+0x120/0x120 [ 399.344121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 399.348943] ? warn_alloc+0x120/0x120 [ 399.363876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 399.367656] ? warn_alloc+0x120/0x120 [ 399.376456] 366 total pagecache pages [ 399.380240] ? print_usage_bug+0xc0/0xc0 [ 399.388798] 0 pages in swap cache [ 399.392572] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 399.396348] Swap cache stats: add 0, delete 0, find 0/0 [ 399.400386] ? print_usage_bug+0xc0/0xc0 [ 399.403805] Free swap = 0kB [ 399.408803] ? print_usage_bug+0xc0/0xc0 [ 399.414135] Total swap = 0kB [ 399.418276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.421262] 1965979 pages RAM [ 399.425318] ? should_fail+0x22d/0xd01 [ 399.428305] 0 pages HighMem/MovableOnly [ 399.433823] ? mark_held_locks+0x130/0x130 [ 399.436919] 342854 pages reserved [ 399.440809] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.444753] 0 pages cma reserved [ 399.448973] ? __lock_acquire+0x62f/0x4c20 [ 399.452651] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.457797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.457812] ? __lock_acquire+0x62f/0x4c20 [ 399.461154] syz-fuzzer cpuset=/ mems_allowed=0 [ 399.465387] ? should_fail+0x22d/0xd01 [ 399.493317] ? print_usage_bug+0xc0/0xc0 [ 399.497381] ? mark_held_locks+0x130/0x130 [ 399.501611] ? mark_held_locks+0x130/0x130 [ 399.505852] ? zap_class+0x640/0x640 [ 399.509560] ? ret_from_fork+0x3a/0x50 [ 399.513440] ? zap_class+0x640/0x640 [ 399.517151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.522681] ? check_preemption_disabled+0x48/0x280 [ 399.527699] ? __lock_is_held+0xb5/0x140 [ 399.531759] __alloc_pages_nodemask+0xa80/0xde0 [ 399.536420] ? zap_class+0x640/0x640 [ 399.540132] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 399.545152] ? find_held_lock+0x36/0x1c0 [ 399.549214] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.553879] ? lock_downgrade+0x900/0x900 [ 399.558364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.563918] cache_grow_begin+0xa5/0x8c0 [ 399.567971] ? do_raw_spin_unlock+0xa7/0x330 [ 399.572374] fallback_alloc+0x204/0x2e0 [ 399.576339] ____cache_alloc_node+0x1c7/0x1e0 [ 399.580826] kmem_cache_alloc_node+0xe3/0x730 [ 399.585317] ? mark_held_locks+0xc7/0x130 [ 399.589468] __alloc_skb+0x119/0x770 [ 399.593179] ? netdev_alloc_frag+0x1f0/0x1f0 [ 399.597577] ? do_raw_spin_trylock+0x270/0x270 [ 399.602151] ? kmem_cache_alloc_trace+0x353/0x750 [ 399.606993] ? queue_work_on+0x12c/0x1e0 [ 399.611056] ? switchdev_port_obj_del+0xdc/0x440 [ 399.615838] ? switchdev_trans_item_enqueue+0x260/0x260 [ 399.621204] ? mod_timer+0x631/0x1560 [ 399.624994] ? wake_up_klogd+0x180/0x180 [ 399.629058] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 399.634074] __br_mdb_notify+0x4ff/0x15d0 [ 399.638225] ? __br_mdb_add+0x7f0/0x7f0 [ 399.642199] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.647304] ? zap_class+0x640/0x640 [ 399.651020] ? br_multicast_group_expired+0x96/0x610 [ 399.656142] br_mdb_notify+0x310/0x410 [ 399.660349] ? br_mdb_dump+0x27b0/0x27b0 [ 399.664410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.669959] br_multicast_group_expired+0x1bc/0x610 [ 399.674983] ? br_mdb_free+0x80/0x80 [ 399.678693] call_timer_fn+0x272/0x920 [ 399.682579] ? br_mdb_free+0x80/0x80 [ 399.686290] ? process_timeout+0x40/0x40 [ 399.690349] ? __run_timers+0x7da/0xc70 [ 399.694321] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.698900] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.703385] ? br_mdb_free+0x80/0x80 [ 399.707085] ? lockdep_hardirqs_on+0x296/0x5b0 [ 399.711661] ? trace_hardirqs_on+0xbd/0x310 [ 399.715975] ? kasan_check_read+0x11/0x20 [ 399.720111] ? __run_timers+0x7da/0xc70 [ 399.724078] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.729178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.733407] ? br_mdb_free+0x80/0x80 [ 399.737113] __run_timers+0x7e5/0xc70 [ 399.740915] ? timer_fixup_init+0x70/0x70 [ 399.745051] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.749531] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.754018] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 399.758824] ? trace_hardirqs_on+0xbd/0x310 [ 399.763652] ? kasan_check_read+0x11/0x20 [ 399.767812] ? finish_task_switch+0x1f4/0x910 [ 399.772302] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.777394] ? compat_start_thread+0x80/0x80 [ 399.781816] ? pvclock_read_flags+0x160/0x160 [ 399.786301] ? __switch_to_asm+0x34/0x70 [ 399.790366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.795902] ? check_preemption_disabled+0x48/0x280 [ 399.800929] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 399.806458] ? rcu_pm_notify+0xc0/0xc0 [ 399.810341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.815876] ? check_preemption_disabled+0x48/0x280 [ 399.820888] run_timer_softirq+0x52/0xb0 [ 399.824942] ? rcu_read_lock_sched_held+0x14f/0x180 [ 399.829947] __do_softirq+0x308/0xb7e [ 399.833764] ? trace_hardirqs_on_caller+0xc0/0x310 [ 399.838689] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 399.843786] ? trace_hardirqs_on+0x310/0x310 [ 399.848192] ? schedule+0x108/0x460 [ 399.851818] ? trace_hardirqs_off+0xb8/0x310 [ 399.856219] ? smpboot_thread_fn+0x68b/0xa00 [ 399.860942] ? trace_hardirqs_on+0x310/0x310 [ 399.865343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.870874] ? check_preemption_disabled+0x48/0x280 [ 399.875882] ? takeover_tasklets+0xa90/0xa90 [ 399.880285] run_ksoftirqd+0x5e/0x100 [ 399.884081] smpboot_thread_fn+0x68b/0xa00 [ 399.888309] ? sort_range+0x30/0x30 [ 399.891926] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.897021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.902552] ? __kthread_parkme+0xfb/0x1a0 [ 399.906779] ? sort_range+0x30/0x30 [ 399.910397] kthread+0x35a/0x440 [ 399.913760] ? kthread_stop+0x900/0x900 [ 399.917728] ret_from_fork+0x3a/0x50 [ 399.921451] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 399.921581] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.928805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.939102] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 399.948433] Call Trace: [ 399.955636] [ 399.958698] dump_stack+0x244/0x39d [ 399.962321] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.967511] warn_alloc.cold.116+0xb7/0x1bd [ 399.971826] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.976666] ? lock_downgrade+0x900/0x900 [ 399.980810] ? trace_hardirqs_off+0xb8/0x310 [ 399.985215] ? trace_hardirqs_off+0xb8/0x310 [ 399.989626] __alloc_pages_slowpath+0x26e8/0x2e10 [ 399.994480] ? warn_alloc+0x120/0x120 [ 399.998280] ? warn_alloc+0x120/0x120 [ 400.002084] ? warn_alloc+0x120/0x120 [ 400.005874] ? print_usage_bug+0xc0/0xc0 [ 400.009928] ? mark_held_locks+0x130/0x130 [ 400.014158] ? kvm_clock_read+0x18/0x30 [ 400.018126] ? print_usage_bug+0xc0/0xc0 [ 400.022178] ? __lock_acquire+0x62f/0x4c20 [ 400.026400] ? __lock_acquire+0x62f/0x4c20 [ 400.030629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.036157] ? should_fail+0x22d/0xd01 [ 400.040064] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.045162] ? __lock_acquire+0x62f/0x4c20 [ 400.049405] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.054516] ? __lock_acquire+0x62f/0x4c20 [ 400.059180] ? should_fail+0x22d/0xd01 [ 400.063069] ? mark_held_locks+0x130/0x130 [ 400.067298] ? mark_held_locks+0x130/0x130 [ 400.071532] ? print_usage_bug+0xc0/0xc0 [ 400.075594] ? zap_class+0x640/0x640 [ 400.079302] ? print_usage_bug+0xc0/0xc0 [ 400.083352] ? find_held_lock+0x36/0x1c0 [ 400.087410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.092940] ? check_preemption_disabled+0x48/0x280 [ 400.097965] ? __lock_is_held+0xb5/0x140 [ 400.102041] __alloc_pages_nodemask+0xa80/0xde0 [ 400.106704] ? zap_class+0x640/0x640 [ 400.110417] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 400.115435] ? find_held_lock+0x36/0x1c0 [ 400.119500] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.124162] ? lock_downgrade+0x900/0x900 [ 400.128310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.133844] cache_grow_begin+0xa5/0x8c0 [ 400.137897] ? do_raw_spin_unlock+0xa7/0x330 [ 400.142310] fallback_alloc+0x204/0x2e0 [ 400.146283] ____cache_alloc_node+0x1c7/0x1e0 [ 400.150781] kmem_cache_alloc_node+0xe3/0x730 [ 400.155270] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.159983] __alloc_skb+0x119/0x770 [ 400.163697] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.168969] ? netdev_alloc_frag+0x1f0/0x1f0 [ 400.173369] ? lock_downgrade+0x900/0x900 [ 400.177515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.183047] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.188495] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.193939] ? addrconf_rs_timer+0x690/0x690 [ 400.198354] ndisc_alloc_skb+0x144/0x340 [ 400.202433] ndisc_send_rs+0x331/0x6e0 [ 400.206315] addrconf_rs_timer+0x314/0x690 [ 400.210554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.214809] call_timer_fn+0x272/0x920 [ 400.218692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.222917] ? process_timeout+0x40/0x40 [ 400.226976] ? mark_held_locks+0xc7/0x130 [ 400.231137] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.235626] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.240111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.244335] ? lockdep_hardirqs_on+0x296/0x5b0 [ 400.248925] ? trace_hardirqs_on+0xbd/0x310 [ 400.253242] ? kasan_check_read+0x11/0x20 [ 400.258246] ? __run_timers+0x7da/0xc70 [ 400.262221] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.267339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.271566] __run_timers+0x7e5/0xc70 [ 400.275369] ? timer_fixup_init+0x70/0x70 [ 400.279511] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.284541] ? zap_class+0x640/0x640 [ 400.288268] ? print_usage_bug+0xc0/0xc0 [ 400.292323] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 400.297515] ? find_held_lock+0x36/0x1c0 [ 400.301572] ? zap_class+0x640/0x640 [ 400.305285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.310814] ? check_preemption_disabled+0x48/0x280 [ 400.315828] ? __lock_is_held+0xb5/0x140 [ 400.319884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.325415] ? check_preemption_disabled+0x48/0x280 [ 400.330427] run_timer_softirq+0x52/0xb0 [ 400.334487] ? rcu_read_lock_sched_held+0x14f/0x180 [ 400.339499] __do_softirq+0x308/0xb7e [ 400.343301] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 400.347792] ? lock_downgrade+0x900/0x900 [ 400.351934] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 400.357036] ? pvclock_read_flags+0x160/0x160 [ 400.362599] ? lapic_next_event+0x5a/0x90 [ 400.366758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.372300] ? kvm_clock_read+0x18/0x30 [ 400.376270] ? kvm_sched_clock_read+0x9/0x20 [ 400.380675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.386213] ? check_preemption_disabled+0x48/0x280 [ 400.391244] irq_exit+0x17f/0x1c0 [ 400.394689] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.399520] ? smp_reschedule_interrupt+0x109/0x650 [ 400.404531] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.410404] ? interrupt_entry+0xb5/0xc0 [ 400.414459] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.419467] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.424475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.429308] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.434316] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.439326] ? task_prio+0x50/0x50 [ 400.442861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.448389] ? check_preemption_disabled+0x48/0x280 [ 400.453411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.459040] apic_timer_interrupt+0xf/0x20 [ 400.463265] [ 400.465497] RIP: 0010:dump_stack+0x358/0x39d [ 400.469899] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 400.488793] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 400.496494] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 400.503764] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 400.511022] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 400.518301] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 400.525559] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 400.532828] ? dump_stack+0x34f/0x39d [ 400.536629] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.541809] ? mark_held_locks+0x130/0x130 [ 400.546040] ? mark_held_locks+0x130/0x130 [ 400.550299] dump_header+0x27b/0xf72 [ 400.554106] ? pagefault_out_of_memory+0x197/0x197 [ 400.559291] ? __lock_acquire+0x62f/0x4c20 [ 400.563517] ? percpu_ref_get_many+0x240/0x240 [ 400.568094] ? print_usage_bug+0xc0/0xc0 [ 400.572152] ? zap_class+0x640/0x640 [ 400.575861] ? print_usage_bug+0xc0/0xc0 [ 400.579914] ? print_usage_bug+0xc0/0xc0 [ 400.583968] ? zap_class+0x640/0x640 [ 400.587674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.593222] ? find_held_lock+0x36/0x1c0 [ 400.597280] ? mark_held_locks+0xc7/0x130 [ 400.601417] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 400.606506] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 400.611607] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 400.616186] ? trace_hardirqs_on+0xbd/0x310 [ 400.620518] ? kasan_check_read+0x11/0x20 [ 400.624652] ? ___ratelimit+0x3b4/0x672 [ 400.628635] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.633732] ? trace_hardirqs_on+0x310/0x310 [ 400.638248] ? lock_downgrade+0x900/0x900 [ 400.642488] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.647584] ? ___ratelimit+0x3b9/0x672 [ 400.651552] ? idr_get_free+0xf70/0xf70 [ 400.655517] ? find_held_lock+0x36/0x1c0 [ 400.660370] oom_kill_process.cold.27+0x10/0x903 [ 400.665121] ? zap_class+0x640/0x640 [ 400.668828] ? check_preemption_disabled+0x48/0x280 [ 400.673841] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 400.678775] ? kasan_check_read+0x11/0x20 [ 400.683012] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.688280] ? oom_evaluate_task+0x540/0x540 [ 400.692684] ? find_held_lock+0x36/0x1c0 [ 400.696753] ? out_of_memory+0x974/0x1430 [ 400.700892] ? lock_downgrade+0x900/0x900 [ 400.705028] ? check_preemption_disabled+0x48/0x280 [ 400.710048] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 400.714966] ? kasan_check_read+0x11/0x20 [ 400.719105] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.724371] ? rcu_softirq_qs+0x20/0x20 [ 400.728343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.733874] ? oom_evaluate_task+0x302/0x540 [ 400.738277] out_of_memory+0xa84/0x1430 [ 400.742263] ? oom_killer_disable+0x3a0/0x3a0 [ 400.746751] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 400.751704] ? __ww_mutex_check_waiters+0x160/0x160 [ 400.756734] __alloc_pages_slowpath+0x2354/0x2e10 [ 400.762132] ? warn_alloc+0x120/0x120 [ 400.765925] ? mark_held_locks+0x130/0x130 [ 400.770157] ? find_get_entry+0xaae/0x1120 [ 400.774394] ? filemap_map_pages+0x1a20/0x1a20 [ 400.778970] ? zap_class+0x640/0x640 [ 400.782679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.788218] ? check_preemption_disabled+0x48/0x280 [ 400.793229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.798763] ? should_fail+0x22d/0xd01 [ 400.802643] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.807752] ? zap_class+0x640/0x640 [ 400.811476] ? __lock_is_held+0xb5/0x140 [ 400.815545] ? mark_held_locks+0x130/0x130 [ 400.819774] ? lock_release+0xa00/0xa00 [ 400.823744] ? perf_trace_sched_process_exec+0x860/0x860 [ 400.829198] ? xa_load+0x2ba/0x460 [ 400.832847] ? lock_downgrade+0x900/0x900 [ 400.836995] ? __might_sleep+0x95/0x190 [ 400.840964] __alloc_pages_nodemask+0xa80/0xde0 [ 400.845636] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 400.850648] ? __page_cache_alloc+0x191/0x5c0 [ 400.855135] ? xa_load+0x2e1/0x460 [ 400.859425] ? xa_clear_mark+0x40/0x40 [ 400.863307] ? zap_class+0x640/0x640 [ 400.867035] ? zap_class+0x640/0x640 [ 400.870742] ? zap_class+0x640/0x640 [ 400.874451] ? __do_page_cache_readahead+0x663/0x810 [ 400.879547] ? find_held_lock+0x36/0x1c0 [ 400.883608] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 400.889148] alloc_pages_current+0x173/0x350 [ 400.893565] __page_cache_alloc+0x38c/0x5c0 [ 400.897878] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 400.902796] ? kasan_check_read+0x11/0x20 [ 400.906934] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.912203] ? generic_perform_write+0x6a0/0x6a0 [ 400.916953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.922485] ? check_preemption_disabled+0x48/0x280 [ 400.927498] filemap_fault+0x1595/0x25f0 [ 400.931560] ? __lock_page_or_retry+0xa00/0xa00 [ 400.936223] ? mark_held_locks+0x130/0x130 [ 400.940460] ? filemap_map_pages+0xd6b/0x1a20 [ 400.944977] ? lock_downgrade+0x900/0x900 [ 400.949118] ? check_preemption_disabled+0x48/0x280 [ 400.954131] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 400.959817] ? kasan_check_read+0x11/0x20 [ 400.963958] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.969225] ? rcu_softirq_qs+0x20/0x20 [ 400.973211] ? filemap_map_pages+0xd92/0x1a20 [ 400.977710] ? find_get_entries_tag+0x1400/0x1400 [ 400.982549] ? debug_object_destroy+0x2b0/0x2b0 [ 400.987215] ? lock_pi_update_atomic+0x150/0x150 [ 400.991966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.997502] ? lock_acquire+0x1ed/0x520 [ 401.001464] ? ext4_filemap_fault+0x7a/0xad [ 401.005779] ? lock_release+0xa00/0xa00 [ 401.009745] ? perf_trace_sched_process_exec+0x860/0x860 [ 401.015197] ? print_usage_bug+0xc0/0xc0 [ 401.019249] ? print_usage_bug+0xc0/0xc0 [ 401.023314] ? down_read+0x8d/0x120 [ 401.026930] ? ext4_filemap_fault+0x7a/0xad [ 401.031258] ? __down_interruptible+0x700/0x700 [ 401.035927] ext4_filemap_fault+0x82/0xad [ 401.040068] __do_fault+0x100/0x6b0 [ 401.043696] ? pmd_devmap_trans_unstable+0x220/0x220 [ 401.048793] ? mark_held_locks+0x130/0x130 [ 401.053019] ? mark_held_locks+0x130/0x130 [ 401.057253] ? do_raw_spin_trylock+0x270/0x270 [ 401.062617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.068150] __handle_mm_fault+0x3ea0/0x5be0 [ 401.072577] ? perf_trace_lock+0x7a0/0x7a0 [ 401.076809] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 401.081645] ? __switch_to_asm+0x34/0x70 [ 401.085694] ? __switch_to_asm+0x34/0x70 [ 401.089761] ? zap_class+0x640/0x640 [ 401.093467] ? zap_class+0x640/0x640 [ 401.097175] ? __x64_sys_futex+0x53e/0x6a0 [ 401.101408] ? find_held_lock+0x36/0x1c0 [ 401.105469] ? handle_mm_fault+0x42a/0xc70 [ 401.109702] ? lock_downgrade+0x900/0x900 [ 401.113845] ? check_preemption_disabled+0x48/0x280 [ 401.118873] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 401.123793] ? kasan_check_read+0x11/0x20 [ 401.127935] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.133203] ? rcu_softirq_qs+0x20/0x20 [ 401.137176] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.142274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.147803] ? check_preemption_disabled+0x48/0x280 [ 401.152817] handle_mm_fault+0x54f/0xc70 [ 401.156877] ? __handle_mm_fault+0x5be0/0x5be0 [ 401.162250] ? find_vma+0x34/0x190 [ 401.165786] __do_page_fault+0x5e8/0xe60 [ 401.169840] ? trace_hardirqs_off+0xb8/0x310 [ 401.174251] do_page_fault+0xf2/0x7e0 [ 401.178044] ? vmalloc_sync_all+0x30/0x30 [ 401.182183] ? error_entry+0x70/0xd0 [ 401.185886] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.190892] ? trace_hardirqs_on_caller+0xc0/0x310 [ 401.195815] ? syscall_return_slowpath+0x5e0/0x5e0 [ 401.200736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.205574] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.210581] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.216026] ? prepare_exit_to_usermode+0x291/0x3b0 [ 401.221035] ? page_fault+0x8/0x30 [ 401.224586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.229423] ? page_fault+0x8/0x30 [ 401.232958] page_fault+0x1e/0x30 [ 401.236402] RIP: 0033:0x45ddf3 [ 401.239597] Code: Bad RIP value. [ 401.242965] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 401.248318] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 401.255580] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 401.263625] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 401.270881] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 401.278139] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 401.285426] warn_alloc_show_mem: 1 callbacks suppressed [ 401.285435] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 401.285437] Mem-Info: [ 401.285467] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 401.285467] active_file:12 inactive_file:13 isolated_file:0 [ 401.285467] unevictable:0 dirty:0 writeback:0 unstable:0 [ 401.285467] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 401.285467] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 401.285467] free:13705 free_pcp:178 free_cma:0 [ 401.290805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.297550] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 401.299932] Call Trace: [ 401.332784] Node 0 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 [ 401.342132] dump_stack+0x244/0x39d [ 401.370073] lowmem_reserve[]: 0 2818 6321 6321 [ 401.372654] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.398732] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 401.402358] warn_alloc.cold.116+0xb7/0x1bd [ 401.406897] lowmem_reserve[]: 0 0 3503 3503 [ 401.412085] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.439560] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 401.443869] ? lock_downgrade+0x900/0x900 [ 401.448158] lowmem_reserve[]: 0 0 0 0 [ 401.452994] ? trace_hardirqs_off+0xb8/0x310 [ 401.482701] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 401.486844] ? trace_hardirqs_off+0xb8/0x310 [ 401.490607] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 401.495010] __alloc_pages_slowpath+0x26e8/0x2e10 [ 401.508499] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 401.512915] ? warn_alloc+0x120/0x120 [ 401.528125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 401.532952] ? warn_alloc+0x120/0x120 [ 401.547144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 401.550943] ? warn_alloc+0x120/0x120 [ 401.560471] 366 total pagecache pages [ 401.564254] ? print_usage_bug+0xc0/0xc0 [ 401.572799] 0 pages in swap cache [ 401.576573] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 401.580343] Swap cache stats: add 0, delete 0, find 0/0 [ 401.584384] ? print_usage_bug+0xc0/0xc0 [ 401.587802] Free swap = 0kB [ 401.592800] ? print_usage_bug+0xc0/0xc0 [ 401.598139] Total swap = 0kB [ 401.602190] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.605177] 1965979 pages RAM [ 401.609221] ? should_fail+0x22d/0xd01 [ 401.612214] 0 pages HighMem/MovableOnly [ 401.617733] ? mark_held_locks+0x130/0x130 [ 401.620811] 342854 pages reserved [ 401.624683] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.628623] 0 pages cma reserved [ 401.632842] ? __lock_acquire+0x62f/0x4c20 [ 401.636322] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.641363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.641374] ? __lock_acquire+0x62f/0x4c20 [ 401.641388] ? should_fail+0x22d/0xd01 [ 401.644781] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.648949] ? print_usage_bug+0xc0/0xc0 [ 401.655408] syz-fuzzer cpuset=/ mems_allowed=0 [ 401.660876] ? mark_held_locks+0x130/0x130 [ 401.691996] ? mark_held_locks+0x130/0x130 [ 401.696234] ? zap_class+0x640/0x640 [ 401.699942] ? ret_from_fork+0x3a/0x50 [ 401.703826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.709354] ? check_preemption_disabled+0x48/0x280 [ 401.714368] ? __lock_is_held+0xb5/0x140 [ 401.718426] __alloc_pages_nodemask+0xa80/0xde0 [ 401.723083] ? zap_class+0x640/0x640 [ 401.726792] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 401.731811] ? find_held_lock+0x36/0x1c0 [ 401.735872] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.740534] ? lock_downgrade+0x900/0x900 [ 401.744680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.750216] cache_grow_begin+0xa5/0x8c0 [ 401.754269] ? do_raw_spin_unlock+0xa7/0x330 [ 401.758966] fallback_alloc+0x204/0x2e0 [ 401.763460] ____cache_alloc_node+0x1c7/0x1e0 [ 401.767971] kmem_cache_alloc_node+0xe3/0x730 [ 401.772460] ? mark_held_locks+0xc7/0x130 [ 401.776612] __alloc_skb+0x119/0x770 [ 401.780322] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.784721] ? do_raw_spin_trylock+0x270/0x270 [ 401.789295] ? kmem_cache_alloc_trace+0x353/0x750 [ 401.794146] ? queue_work_on+0x12c/0x1e0 [ 401.798205] ? switchdev_port_obj_del+0xdc/0x440 [ 401.802956] ? switchdev_trans_item_enqueue+0x260/0x260 [ 401.808320] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 401.813339] __br_mdb_notify+0x4ff/0x15d0 [ 401.817493] ? __br_mdb_add+0x7f0/0x7f0 [ 401.821468] ? zap_class+0x640/0x640 [ 401.825191] ? br_multicast_group_expired+0x96/0x610 [ 401.830286] ? lock_downgrade+0x900/0x900 [ 401.834434] br_mdb_notify+0x310/0x410 [ 401.838315] ? br_mdb_dump+0x27b0/0x27b0 [ 401.842372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.847911] br_multicast_group_expired+0x1bc/0x610 [ 401.852926] ? br_mdb_free+0x80/0x80 [ 401.856645] call_timer_fn+0x272/0x920 [ 401.860886] ? br_mdb_free+0x80/0x80 [ 401.864601] ? process_timeout+0x40/0x40 [ 401.868665] ? __run_timers+0x7da/0xc70 [ 401.872633] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.877139] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.881624] ? br_mdb_free+0x80/0x80 [ 401.885332] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.889912] ? trace_hardirqs_on+0xbd/0x310 [ 401.894353] ? kasan_check_read+0x11/0x20 [ 401.898493] ? __run_timers+0x7da/0xc70 [ 401.902461] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.907559] ? br_mdb_free+0x80/0x80 [ 401.911273] ? br_mdb_free+0x80/0x80 [ 401.914977] __run_timers+0x7e5/0xc70 [ 401.918780] ? timer_fixup_init+0x70/0x70 [ 401.922917] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.927406] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.932108] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 401.936692] ? trace_hardirqs_on+0xbd/0x310 [ 401.941004] ? kasan_check_read+0x11/0x20 [ 401.945148] ? finish_task_switch+0x1f4/0x910 [ 401.949639] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.954733] ? compat_start_thread+0x80/0x80 [ 401.959473] ? pvclock_read_flags+0x160/0x160 [ 401.964045] ? __switch_to_asm+0x34/0x70 [ 401.968106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.973642] ? check_preemption_disabled+0x48/0x280 [ 401.978660] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 401.984195] ? rcu_pm_notify+0xc0/0xc0 [ 401.988074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.993608] ? check_preemption_disabled+0x48/0x280 [ 401.998625] run_timer_softirq+0x52/0xb0 [ 402.002679] ? rcu_read_lock_sched_held+0x14f/0x180 [ 402.007687] __do_softirq+0x308/0xb7e [ 402.011489] ? trace_hardirqs_on_caller+0xc0/0x310 [ 402.016418] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 402.021511] ? trace_hardirqs_on+0x310/0x310 [ 402.025911] ? schedule+0x108/0x460 [ 402.029541] ? trace_hardirqs_off+0xb8/0x310 [ 402.033945] ? smpboot_thread_fn+0x68b/0xa00 [ 402.038345] ? trace_hardirqs_on+0x310/0x310 [ 402.042744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.048271] ? check_preemption_disabled+0x48/0x280 [ 402.053281] ? takeover_tasklets+0xa90/0xa90 [ 402.057683] run_ksoftirqd+0x5e/0x100 [ 402.061784] smpboot_thread_fn+0x68b/0xa00 [ 402.066013] ? sort_range+0x30/0x30 [ 402.069635] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.074728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.080262] ? __kthread_parkme+0xfb/0x1a0 [ 402.084489] ? sort_range+0x30/0x30 [ 402.088132] kthread+0x35a/0x440 [ 402.091512] ? kthread_stop+0x900/0x900 [ 402.095477] ret_from_fork+0x3a/0x50 [ 402.099204] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 402.099337] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.106129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.116416] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 402.125751] Call Trace: [ 402.132964] [ 402.135118] dump_stack+0x244/0x39d [ 402.138741] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.143940] warn_alloc.cold.116+0xb7/0x1bd [ 402.148255] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.153103] ? lock_downgrade+0x900/0x900 [ 402.157251] ? trace_hardirqs_off+0xb8/0x310 [ 402.162440] ? trace_hardirqs_off+0xb8/0x310 [ 402.166847] __alloc_pages_slowpath+0x26e8/0x2e10 [ 402.171816] ? warn_alloc+0x120/0x120 [ 402.175635] ? print_usage_bug+0xc0/0xc0 [ 402.179776] ? warn_alloc+0x120/0x120 [ 402.183573] ? warn_alloc+0x120/0x120 [ 402.187371] ? print_usage_bug+0xc0/0xc0 [ 402.191432] ? print_usage_bug+0xc0/0xc0 [ 402.195485] ? __lock_acquire+0x62f/0x4c20 [ 402.199717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.205268] ? should_fail+0x22d/0xd01 [ 402.209154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.214248] ? __lock_acquire+0x62f/0x4c20 [ 402.218477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.223574] ? __lock_acquire+0x62f/0x4c20 [ 402.227805] ? should_fail+0x22d/0xd01 [ 402.231695] ? find_held_lock+0x36/0x1c0 [ 402.235758] ? mark_held_locks+0x130/0x130 [ 402.240006] ? mark_held_locks+0x130/0x130 [ 402.244230] ? zap_class+0x640/0x640 [ 402.248043] ? zap_class+0x640/0x640 [ 402.251756] ? print_usage_bug+0xc0/0xc0 [ 402.255813] ? do_raw_spin_unlock+0xa7/0x330 [ 402.261213] ? zap_class+0x640/0x640 [ 402.264942] ? print_usage_bug+0xc0/0xc0 [ 402.268995] ? wq_watchdog_touch+0x9c/0xfe [ 402.273224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.278756] ? check_preemption_disabled+0x48/0x280 [ 402.283775] ? __lock_is_held+0xb5/0x140 [ 402.287833] __alloc_pages_nodemask+0xa80/0xde0 [ 402.292491] ? zap_class+0x640/0x640 [ 402.296209] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 402.301231] ? find_held_lock+0x36/0x1c0 [ 402.305310] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.309971] ? lock_downgrade+0x900/0x900 [ 402.314121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.319655] cache_grow_begin+0xa5/0x8c0 [ 402.323706] ? do_raw_spin_unlock+0xa7/0x330 [ 402.328114] fallback_alloc+0x204/0x2e0 [ 402.332112] ____cache_alloc_node+0x1c7/0x1e0 [ 402.336622] kmem_cache_alloc_node+0xe3/0x730 [ 402.341113] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.345352] __alloc_skb+0x119/0x770 [ 402.349057] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.354339] ? netdev_alloc_frag+0x1f0/0x1f0 [ 402.359554] ? lock_downgrade+0x900/0x900 [ 402.363717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.369251] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.374721] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.380164] ? addrconf_rs_timer+0x690/0x690 [ 402.384578] ndisc_alloc_skb+0x144/0x340 [ 402.388640] ndisc_send_rs+0x331/0x6e0 [ 402.392521] addrconf_rs_timer+0x314/0x690 [ 402.396745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.400981] call_timer_fn+0x272/0x920 [ 402.404858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.409091] ? process_timeout+0x40/0x40 [ 402.413158] ? mark_held_locks+0xc7/0x130 [ 402.417300] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.421787] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.426287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.430538] ? lockdep_hardirqs_on+0x296/0x5b0 [ 402.435139] ? trace_hardirqs_on+0xbd/0x310 [ 402.439450] ? kasan_check_read+0x11/0x20 [ 402.443602] ? __run_timers+0x7da/0xc70 [ 402.447567] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.452676] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.456911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.462076] __run_timers+0x7e5/0xc70 [ 402.465877] ? timer_fixup_init+0x70/0x70 [ 402.470045] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 402.475093] ? zap_class+0x640/0x640 [ 402.478799] ? print_usage_bug+0xc0/0xc0 [ 402.482853] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 402.488041] ? find_held_lock+0x36/0x1c0 [ 402.492115] ? zap_class+0x640/0x640 [ 402.495822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.501354] ? check_preemption_disabled+0x48/0x280 [ 402.506373] ? __lock_is_held+0xb5/0x140 [ 402.510438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.515969] ? check_preemption_disabled+0x48/0x280 [ 402.520978] run_timer_softirq+0x52/0xb0 [ 402.525031] ? rcu_read_lock_sched_held+0x14f/0x180 [ 402.530037] __do_softirq+0x308/0xb7e [ 402.533839] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 402.538324] ? lock_downgrade+0x900/0x900 [ 402.542467] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 402.547676] ? pvclock_read_flags+0x160/0x160 [ 402.552171] ? lapic_next_event+0x5a/0x90 [ 402.556311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.562597] ? kvm_clock_read+0x18/0x30 [ 402.566563] ? kvm_sched_clock_read+0x9/0x20 [ 402.570973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.576503] ? check_preemption_disabled+0x48/0x280 [ 402.581522] irq_exit+0x17f/0x1c0 [ 402.584969] smp_apic_timer_interrupt+0x1cb/0x760 [ 402.589804] ? smp_reschedule_interrupt+0x109/0x650 [ 402.594831] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.600706] ? interrupt_entry+0xb5/0xc0 [ 402.604847] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.609859] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.614869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.619702] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.624707] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.629718] ? task_prio+0x50/0x50 [ 402.633250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.638777] ? check_preemption_disabled+0x48/0x280 [ 402.643794] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.648633] apic_timer_interrupt+0xf/0x20 [ 402.652857] [ 402.655090] RIP: 0010:dump_stack+0x358/0x39d [ 402.659883] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 402.678778] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 402.686476] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 402.693736] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 402.700999] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 402.708254] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 402.715514] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 402.722790] ? dump_stack+0x34f/0x39d [ 402.726596] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.731779] ? mark_held_locks+0x130/0x130 [ 402.736009] ? mark_held_locks+0x130/0x130 [ 402.740239] dump_header+0x27b/0xf72 [ 402.743953] ? pagefault_out_of_memory+0x197/0x197 [ 402.748914] ? __lock_acquire+0x62f/0x4c20 [ 402.753141] ? percpu_ref_get_many+0x240/0x240 [ 402.757717] ? print_usage_bug+0xc0/0xc0 [ 402.762105] ? zap_class+0x640/0x640 [ 402.765812] ? print_usage_bug+0xc0/0xc0 [ 402.769860] ? print_usage_bug+0xc0/0xc0 [ 402.773909] ? zap_class+0x640/0x640 [ 402.777622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.783154] ? find_held_lock+0x36/0x1c0 [ 402.787220] ? mark_held_locks+0xc7/0x130 [ 402.791360] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.796452] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.801548] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 402.806130] ? trace_hardirqs_on+0xbd/0x310 [ 402.810440] ? kasan_check_read+0x11/0x20 [ 402.814579] ? ___ratelimit+0x3b4/0x672 [ 402.818547] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.823644] ? trace_hardirqs_on+0x310/0x310 [ 402.828056] ? lock_downgrade+0x900/0x900 [ 402.832204] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.837299] ? ___ratelimit+0x3b9/0x672 [ 402.841271] ? idr_get_free+0xf70/0xf70 [ 402.845236] ? find_held_lock+0x36/0x1c0 [ 402.849297] oom_kill_process.cold.27+0x10/0x903 [ 402.854053] ? zap_class+0x640/0x640 [ 402.857758] ? check_preemption_disabled+0x48/0x280 [ 402.863528] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.868448] ? kasan_check_read+0x11/0x20 [ 402.872590] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.877862] ? oom_evaluate_task+0x540/0x540 [ 402.882269] ? find_held_lock+0x36/0x1c0 [ 402.886327] ? out_of_memory+0x974/0x1430 [ 402.890475] ? lock_downgrade+0x900/0x900 [ 402.894619] ? check_preemption_disabled+0x48/0x280 [ 402.899632] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.904554] ? kasan_check_read+0x11/0x20 [ 402.908701] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.913969] ? rcu_softirq_qs+0x20/0x20 [ 402.917940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.923466] ? oom_evaluate_task+0x302/0x540 [ 402.927870] out_of_memory+0xa84/0x1430 [ 402.931846] ? oom_killer_disable+0x3a0/0x3a0 [ 402.936345] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 402.941266] ? __ww_mutex_check_waiters+0x160/0x160 [ 402.946288] __alloc_pages_slowpath+0x2354/0x2e10 [ 402.951161] ? warn_alloc+0x120/0x120 [ 402.954951] ? mark_held_locks+0x130/0x130 [ 402.959603] ? find_get_entry+0xaae/0x1120 [ 402.963861] ? filemap_map_pages+0x1a20/0x1a20 [ 402.968443] ? zap_class+0x640/0x640 [ 402.972152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.977683] ? check_preemption_disabled+0x48/0x280 [ 402.982689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.988218] ? should_fail+0x22d/0xd01 [ 402.992100] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.997197] ? zap_class+0x640/0x640 [ 403.000927] ? __lock_is_held+0xb5/0x140 [ 403.004985] ? mark_held_locks+0x130/0x130 [ 403.009213] ? lock_release+0xa00/0xa00 [ 403.013185] ? perf_trace_sched_process_exec+0x860/0x860 [ 403.018640] ? xa_load+0x2ba/0x460 [ 403.022176] ? lock_downgrade+0x900/0x900 [ 403.026321] ? __might_sleep+0x95/0x190 [ 403.030296] __alloc_pages_nodemask+0xa80/0xde0 [ 403.034969] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 403.039977] ? __page_cache_alloc+0x191/0x5c0 [ 403.044466] ? xa_load+0x2e1/0x460 [ 403.047998] ? xa_clear_mark+0x40/0x40 [ 403.051877] ? zap_class+0x640/0x640 [ 403.055588] ? zap_class+0x640/0x640 [ 403.060046] ? zap_class+0x640/0x640 [ 403.063767] ? __do_page_cache_readahead+0x663/0x810 [ 403.068867] ? find_held_lock+0x36/0x1c0 [ 403.072928] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 403.078461] alloc_pages_current+0x173/0x350 [ 403.082865] __page_cache_alloc+0x38c/0x5c0 [ 403.087176] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 403.092097] ? kasan_check_read+0x11/0x20 [ 403.096239] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.101506] ? generic_perform_write+0x6a0/0x6a0 [ 403.106253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.111786] ? check_preemption_disabled+0x48/0x280 [ 403.116802] filemap_fault+0x1595/0x25f0 [ 403.120863] ? __lock_page_or_retry+0xa00/0xa00 [ 403.125633] ? mark_held_locks+0x130/0x130 [ 403.129868] ? filemap_map_pages+0xd6b/0x1a20 [ 403.134361] ? lock_downgrade+0x900/0x900 [ 403.138498] ? check_preemption_disabled+0x48/0x280 [ 403.143519] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 403.148440] ? kasan_check_read+0x11/0x20 [ 403.152579] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.157850] ? rcu_softirq_qs+0x20/0x20 [ 403.162607] ? filemap_map_pages+0xd92/0x1a20 [ 403.167107] ? find_get_entries_tag+0x1400/0x1400 [ 403.171947] ? debug_object_destroy+0x2b0/0x2b0 [ 403.176610] ? lock_pi_update_atomic+0x150/0x150 [ 403.181359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.186897] ? lock_acquire+0x1ed/0x520 [ 403.190864] ? ext4_filemap_fault+0x7a/0xad [ 403.195182] ? lock_release+0xa00/0xa00 [ 403.199145] ? perf_trace_sched_process_exec+0x860/0x860 [ 403.204588] ? print_usage_bug+0xc0/0xc0 [ 403.208646] ? print_usage_bug+0xc0/0xc0 [ 403.212723] ? down_read+0x8d/0x120 [ 403.216339] ? ext4_filemap_fault+0x7a/0xad [ 403.220654] ? __down_interruptible+0x700/0x700 [ 403.225323] ext4_filemap_fault+0x82/0xad [ 403.229463] __do_fault+0x100/0x6b0 [ 403.233087] ? pmd_devmap_trans_unstable+0x220/0x220 [ 403.238185] ? mark_held_locks+0x130/0x130 [ 403.242414] ? mark_held_locks+0x130/0x130 [ 403.246644] ? do_raw_spin_trylock+0x270/0x270 [ 403.251225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.256756] __handle_mm_fault+0x3ea0/0x5be0 [ 403.261963] ? perf_trace_lock+0x7a0/0x7a0 [ 403.266202] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 403.271052] ? __switch_to_asm+0x34/0x70 [ 403.275106] ? __switch_to_asm+0x34/0x70 [ 403.279170] ? zap_class+0x640/0x640 [ 403.282874] ? zap_class+0x640/0x640 [ 403.286577] ? __x64_sys_futex+0x53e/0x6a0 [ 403.290811] ? find_held_lock+0x36/0x1c0 [ 403.294871] ? handle_mm_fault+0x42a/0xc70 [ 403.299115] ? lock_downgrade+0x900/0x900 [ 403.303258] ? check_preemption_disabled+0x48/0x280 [ 403.308266] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 403.313186] ? kasan_check_read+0x11/0x20 [ 403.317326] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.322594] ? rcu_softirq_qs+0x20/0x20 [ 403.326561] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.331656] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.337188] ? check_preemption_disabled+0x48/0x280 [ 403.342201] handle_mm_fault+0x54f/0xc70 [ 403.346257] ? __handle_mm_fault+0x5be0/0x5be0 [ 403.350838] ? find_vma+0x34/0x190 [ 403.354382] __do_page_fault+0x5e8/0xe60 [ 403.358434] ? trace_hardirqs_off+0xb8/0x310 [ 403.363634] do_page_fault+0xf2/0x7e0 [ 403.367430] ? vmalloc_sync_all+0x30/0x30 [ 403.371569] ? error_entry+0x70/0xd0 [ 403.375275] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.380281] ? trace_hardirqs_on_caller+0xc0/0x310 [ 403.385204] ? syscall_return_slowpath+0x5e0/0x5e0 [ 403.390123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.394967] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.399975] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.405417] ? prepare_exit_to_usermode+0x291/0x3b0 [ 403.410423] ? page_fault+0x8/0x30 [ 403.413964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.418803] ? page_fault+0x8/0x30 [ 403.422340] page_fault+0x1e/0x30 [ 403.425781] RIP: 0033:0x45ddf3 [ 403.428978] Code: Bad RIP value. [ 403.432353] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 403.437702] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 403.444960] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 403.452221] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 403.460010] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 403.467269] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 403.474556] warn_alloc_show_mem: 1 callbacks suppressed [ 403.474565] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 403.474567] Mem-Info: [ 403.474595] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 403.474595] active_file:12 inactive_file:13 isolated_file:0 [ 403.474595] unevictable:0 dirty:0 writeback:0 unstable:0 [ 403.474595] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 403.474595] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 403.474595] free:13705 free_pcp:178 free_cma:0 [ 403.480025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.486763] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 403.489147] Call Trace: [ 403.521997] Node 0 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 [ 403.531352] dump_stack+0x244/0x39d [ 403.559075] lowmem_reserve[]: 0 2818 6321 6321 [ 403.561932] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.588019] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 403.591646] warn_alloc.cold.116+0xb7/0x1bd [ 403.596191] lowmem_reserve[]: 0 0 3503 3503 [ 403.601367] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.628830] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 403.633139] ? lock_downgrade+0x900/0x900 [ 403.637429] lowmem_reserve[]: 0 0 0 0 [ 403.642260] ? trace_hardirqs_off+0xb8/0x310 [ 403.671884] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 403.676032] ? trace_hardirqs_off+0xb8/0x310 [ 403.679796] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 403.684194] __alloc_pages_slowpath+0x26e8/0x2e10 [ 403.697679] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 403.702101] ? warn_alloc+0x120/0x120 [ 403.717310] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 403.722135] ? warn_alloc+0x120/0x120 [ 403.736331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 403.740112] ? warn_alloc+0x120/0x120 [ 403.748917] 366 total pagecache pages [ 403.752709] ? print_usage_bug+0xc0/0xc0 [ 403.762511] 0 pages in swap cache [ 403.766292] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 403.770060] Swap cache stats: add 0, delete 0, find 0/0 [ 403.774114] ? print_usage_bug+0xc0/0xc0 [ 403.777534] Free swap = 0kB [ 403.782545] ? print_usage_bug+0xc0/0xc0 [ 403.787877] Total swap = 0kB [ 403.791922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.794905] 1965979 pages RAM [ 403.798949] ? should_fail+0x22d/0xd01 [ 403.801943] 0 pages HighMem/MovableOnly [ 403.801950] 342854 pages reserved [ 403.807467] ? mark_held_locks+0x130/0x130 [ 403.810553] 0 pages cma reserved [ 403.814429] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.818424] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.821809] ? __lock_acquire+0x62f/0x4c20 [ 403.821826] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.821841] ? __lock_acquire+0x62f/0x4c20 [ 403.826117] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.829414] ? should_fail+0x22d/0xd01 [ 403.834491] syz-fuzzer cpuset=/ mems_allowed=0 [ 403.840969] ? print_usage_bug+0xc0/0xc0 [ 403.877514] ? mark_held_locks+0x130/0x130 [ 403.881750] ? mark_held_locks+0x130/0x130 [ 403.885990] ? zap_class+0x640/0x640 [ 403.889722] ? ret_from_fork+0x3a/0x50 [ 403.893608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.899142] ? check_preemption_disabled+0x48/0x280 [ 403.904165] ? __lock_is_held+0xb5/0x140 [ 403.908243] __alloc_pages_nodemask+0xa80/0xde0 [ 403.912906] ? zap_class+0x640/0x640 [ 403.916635] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 403.921654] ? find_held_lock+0x36/0x1c0 [ 403.925714] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.930581] ? lock_downgrade+0x900/0x900 [ 403.934726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.940259] cache_grow_begin+0xa5/0x8c0 [ 403.944313] ? do_raw_spin_unlock+0xa7/0x330 [ 403.948720] fallback_alloc+0x204/0x2e0 [ 403.952692] ____cache_alloc_node+0x1c7/0x1e0 [ 403.957184] kmem_cache_alloc_node+0xe3/0x730 [ 403.961984] ? mark_held_locks+0xc7/0x130 [ 403.966142] __alloc_skb+0x119/0x770 [ 403.969849] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.974247] ? do_raw_spin_trylock+0x270/0x270 [ 403.978819] ? kmem_cache_alloc_trace+0x353/0x750 [ 403.983653] ? queue_work_on+0x12c/0x1e0 [ 403.987708] ? switchdev_port_obj_del+0xdc/0x440 [ 403.992459] ? switchdev_trans_item_enqueue+0x260/0x260 [ 403.997817] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 404.002833] __br_mdb_notify+0x4ff/0x15d0 [ 404.007004] ? __br_mdb_add+0x7f0/0x7f0 [ 404.010983] ? zap_class+0x640/0x640 [ 404.014696] ? br_multicast_group_expired+0x96/0x610 [ 404.019788] ? lock_downgrade+0x900/0x900 [ 404.023933] br_mdb_notify+0x310/0x410 [ 404.027816] ? br_mdb_dump+0x27b0/0x27b0 [ 404.031882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.037416] br_multicast_group_expired+0x1bc/0x610 [ 404.042434] ? br_mdb_free+0x80/0x80 [ 404.046155] call_timer_fn+0x272/0x920 [ 404.050053] ? br_mdb_free+0x80/0x80 [ 404.053762] ? process_timeout+0x40/0x40 [ 404.057830] ? __run_timers+0x7da/0xc70 [ 404.062071] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.066559] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.071048] ? br_mdb_free+0x80/0x80 [ 404.074754] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.079330] ? trace_hardirqs_on+0xbd/0x310 [ 404.083643] ? kasan_check_read+0x11/0x20 [ 404.087790] ? __run_timers+0x7da/0xc70 [ 404.091758] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.096853] ? br_mdb_free+0x80/0x80 [ 404.100581] ? br_mdb_free+0x80/0x80 [ 404.104283] __run_timers+0x7e5/0xc70 [ 404.108084] ? timer_fixup_init+0x70/0x70 [ 404.112223] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.116705] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.121202] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.125777] ? trace_hardirqs_on+0xbd/0x310 [ 404.130094] ? kasan_check_read+0x11/0x20 [ 404.134238] ? finish_task_switch+0x1f4/0x910 [ 404.138725] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.143819] ? compat_start_thread+0x80/0x80 [ 404.148256] ? pvclock_read_flags+0x160/0x160 [ 404.152754] ? __switch_to_asm+0x34/0x70 [ 404.156807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.162648] ? check_preemption_disabled+0x48/0x280 [ 404.167664] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 404.173198] ? rcu_pm_notify+0xc0/0xc0 [ 404.177077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.182609] ? check_preemption_disabled+0x48/0x280 [ 404.187624] run_timer_softirq+0x52/0xb0 [ 404.191678] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.196688] __do_softirq+0x308/0xb7e [ 404.200488] ? trace_hardirqs_on_caller+0xc0/0x310 [ 404.205416] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.210510] ? trace_hardirqs_on+0x310/0x310 [ 404.214915] ? schedule+0x108/0x460 [ 404.218543] ? trace_hardirqs_off+0xb8/0x310 [ 404.222943] ? smpboot_thread_fn+0x68b/0xa00 [ 404.227353] ? trace_hardirqs_on+0x310/0x310 [ 404.231758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.237288] ? check_preemption_disabled+0x48/0x280 [ 404.242299] ? takeover_tasklets+0xa90/0xa90 [ 404.246701] run_ksoftirqd+0x5e/0x100 [ 404.250497] smpboot_thread_fn+0x68b/0xa00 [ 404.254722] ? sort_range+0x30/0x30 [ 404.258342] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.263796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.269328] ? __kthread_parkme+0xfb/0x1a0 [ 404.273558] ? sort_range+0x30/0x30 [ 404.277184] kthread+0x35a/0x440 [ 404.280545] ? kthread_stop+0x900/0x900 [ 404.284512] ret_from_fork+0x3a/0x50 [ 404.288240] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 404.288403] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.295169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.305456] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 404.314791] Call Trace: [ 404.321999] [ 404.324147] dump_stack+0x244/0x39d [ 404.327776] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.332977] warn_alloc.cold.116+0xb7/0x1bd [ 404.337292] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.342128] ? lock_downgrade+0x900/0x900 [ 404.346277] ? trace_hardirqs_off+0xb8/0x310 [ 404.350681] ? trace_hardirqs_off+0xb8/0x310 [ 404.355093] __alloc_pages_slowpath+0x26e8/0x2e10 [ 404.360893] ? warn_alloc+0x120/0x120 [ 404.364690] ? print_usage_bug+0xc0/0xc0 [ 404.368748] ? warn_alloc+0x120/0x120 [ 404.372547] ? warn_alloc+0x120/0x120 [ 404.376342] ? print_usage_bug+0xc0/0xc0 [ 404.380400] ? print_usage_bug+0xc0/0xc0 [ 404.384452] ? __lock_acquire+0x62f/0x4c20 [ 404.388688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.394218] ? should_fail+0x22d/0xd01 [ 404.398101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.403201] ? __lock_acquire+0x62f/0x4c20 [ 404.407438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.412538] ? __lock_acquire+0x62f/0x4c20 [ 404.416774] ? should_fail+0x22d/0xd01 [ 404.420652] ? find_held_lock+0x36/0x1c0 [ 404.424711] ? mark_held_locks+0x130/0x130 [ 404.428961] ? mark_held_locks+0x130/0x130 [ 404.433201] ? zap_class+0x640/0x640 [ 404.436905] ? zap_class+0x640/0x640 [ 404.440614] ? print_usage_bug+0xc0/0xc0 [ 404.444660] ? do_raw_spin_unlock+0xa7/0x330 [ 404.449057] ? zap_class+0x640/0x640 [ 404.452765] ? print_usage_bug+0xc0/0xc0 [ 404.456824] ? wq_watchdog_touch+0x9c/0xfe [ 404.461508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.467038] ? check_preemption_disabled+0x48/0x280 [ 404.472059] ? __lock_is_held+0xb5/0x140 [ 404.476120] __alloc_pages_nodemask+0xa80/0xde0 [ 404.480798] ? zap_class+0x640/0x640 [ 404.484506] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 404.489530] ? find_held_lock+0x36/0x1c0 [ 404.493593] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.498254] ? lock_downgrade+0x900/0x900 [ 404.502402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.507933] cache_grow_begin+0xa5/0x8c0 [ 404.511993] ? do_raw_spin_unlock+0xa7/0x330 [ 404.516400] fallback_alloc+0x204/0x2e0 [ 404.520372] ____cache_alloc_node+0x1c7/0x1e0 [ 404.524859] kmem_cache_alloc_node+0xe3/0x730 [ 404.529352] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.533589] __alloc_skb+0x119/0x770 [ 404.537297] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.542568] ? netdev_alloc_frag+0x1f0/0x1f0 [ 404.546971] ? lock_downgrade+0x900/0x900 [ 404.551117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.556647] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.562857] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.568298] ? addrconf_rs_timer+0x690/0x690 [ 404.572702] ndisc_alloc_skb+0x144/0x340 [ 404.576755] ndisc_send_rs+0x331/0x6e0 [ 404.580638] addrconf_rs_timer+0x314/0x690 [ 404.584874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.589126] call_timer_fn+0x272/0x920 [ 404.593004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.597231] ? process_timeout+0x40/0x40 [ 404.601292] ? mark_held_locks+0xc7/0x130 [ 404.605433] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.609921] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.614418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.618646] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.623221] ? trace_hardirqs_on+0xbd/0x310 [ 404.627537] ? kasan_check_read+0x11/0x20 [ 404.631673] ? __run_timers+0x7da/0xc70 [ 404.635641] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.640736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.644963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.649189] __run_timers+0x7e5/0xc70 [ 404.652992] ? timer_fixup_init+0x70/0x70 [ 404.657149] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 404.662622] ? zap_class+0x640/0x640 [ 404.666334] ? print_usage_bug+0xc0/0xc0 [ 404.670393] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 404.675580] ? find_held_lock+0x36/0x1c0 [ 404.679638] ? zap_class+0x640/0x640 [ 404.683357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.688897] ? check_preemption_disabled+0x48/0x280 [ 404.693921] ? __lock_is_held+0xb5/0x140 [ 404.697987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.703519] ? check_preemption_disabled+0x48/0x280 [ 404.708530] run_timer_softirq+0x52/0xb0 [ 404.712586] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.717598] __do_softirq+0x308/0xb7e [ 404.721397] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 404.725884] ? lock_downgrade+0x900/0x900 [ 404.730039] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.735143] ? pvclock_read_flags+0x160/0x160 [ 404.739629] ? lapic_next_event+0x5a/0x90 [ 404.743770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.749302] ? kvm_clock_read+0x18/0x30 [ 404.753279] ? kvm_sched_clock_read+0x9/0x20 [ 404.757687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.763961] ? check_preemption_disabled+0x48/0x280 [ 404.768983] irq_exit+0x17f/0x1c0 [ 404.772430] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.777288] ? smp_reschedule_interrupt+0x109/0x650 [ 404.782297] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.788174] ? interrupt_entry+0xb5/0xc0 [ 404.793552] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.798562] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.803574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.808413] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.813423] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.818441] ? task_prio+0x50/0x50 [ 404.821977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.827613] ? check_preemption_disabled+0x48/0x280 [ 404.832626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.837466] apic_timer_interrupt+0xf/0x20 [ 404.841688] [ 404.843925] RIP: 0010:dump_stack+0x358/0x39d [ 404.848333] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 404.868035] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 404.875753] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 404.883017] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 404.890282] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 404.897545] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 404.904807] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 404.912084] ? dump_stack+0x34f/0x39d [ 404.915887] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.921086] ? mark_held_locks+0x130/0x130 [ 404.925314] ? mark_held_locks+0x130/0x130 [ 404.929543] dump_header+0x27b/0xf72 [ 404.933257] ? pagefault_out_of_memory+0x197/0x197 [ 404.938185] ? __lock_acquire+0x62f/0x4c20 [ 404.942419] ? percpu_ref_get_many+0x240/0x240 [ 404.947000] ? print_usage_bug+0xc0/0xc0 [ 404.951063] ? zap_class+0x640/0x640 [ 404.954773] ? print_usage_bug+0xc0/0xc0 [ 404.958828] ? print_usage_bug+0xc0/0xc0 [ 404.963708] ? zap_class+0x640/0x640 [ 404.967414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.972948] ? find_held_lock+0x36/0x1c0 [ 404.977008] ? mark_held_locks+0xc7/0x130 [ 404.981149] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.986241] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.991340] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.995947] ? trace_hardirqs_on+0xbd/0x310 [ 405.000261] ? kasan_check_read+0x11/0x20 [ 405.004398] ? ___ratelimit+0x3b4/0x672 [ 405.008370] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.013464] ? trace_hardirqs_on+0x310/0x310 [ 405.017868] ? lock_downgrade+0x900/0x900 [ 405.022017] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 405.027111] ? ___ratelimit+0x3b9/0x672 [ 405.031079] ? idr_get_free+0xf70/0xf70 [ 405.035043] ? find_held_lock+0x36/0x1c0 [ 405.039103] oom_kill_process.cold.27+0x10/0x903 [ 405.043854] ? zap_class+0x640/0x640 [ 405.047559] ? check_preemption_disabled+0x48/0x280 [ 405.052580] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 405.057501] ? kasan_check_read+0x11/0x20 [ 405.062639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.067919] ? oom_evaluate_task+0x540/0x540 [ 405.072325] ? find_held_lock+0x36/0x1c0 [ 405.076386] ? out_of_memory+0x974/0x1430 [ 405.080529] ? lock_downgrade+0x900/0x900 [ 405.084683] ? check_preemption_disabled+0x48/0x280 [ 405.089713] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 405.094634] ? kasan_check_read+0x11/0x20 [ 405.098770] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.104127] ? rcu_softirq_qs+0x20/0x20 [ 405.108096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.113618] ? oom_evaluate_task+0x302/0x540 [ 405.118021] out_of_memory+0xa84/0x1430 [ 405.121994] ? oom_killer_disable+0x3a0/0x3a0 [ 405.126480] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 405.131421] ? __ww_mutex_check_waiters+0x160/0x160 [ 405.136449] __alloc_pages_slowpath+0x2354/0x2e10 [ 405.141311] ? warn_alloc+0x120/0x120 [ 405.145103] ? mark_held_locks+0x130/0x130 [ 405.149334] ? find_get_entry+0xaae/0x1120 [ 405.153566] ? filemap_map_pages+0x1a20/0x1a20 [ 405.158142] ? zap_class+0x640/0x640 [ 405.162332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.167862] ? check_preemption_disabled+0x48/0x280 [ 405.172876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.178433] ? should_fail+0x22d/0xd01 [ 405.182327] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.187425] ? zap_class+0x640/0x640 [ 405.191149] ? __lock_is_held+0xb5/0x140 [ 405.195212] ? mark_held_locks+0x130/0x130 [ 405.199441] ? lock_release+0xa00/0xa00 [ 405.203411] ? perf_trace_sched_process_exec+0x860/0x860 [ 405.208856] ? xa_load+0x2ba/0x460 [ 405.212389] ? lock_downgrade+0x900/0x900 [ 405.216540] ? __might_sleep+0x95/0x190 [ 405.220533] __alloc_pages_nodemask+0xa80/0xde0 [ 405.225200] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 405.230388] ? __page_cache_alloc+0x191/0x5c0 [ 405.234880] ? xa_load+0x2e1/0x460 [ 405.238425] ? xa_clear_mark+0x40/0x40 [ 405.242305] ? zap_class+0x640/0x640 [ 405.246018] ? zap_class+0x640/0x640 [ 405.249722] ? zap_class+0x640/0x640 [ 405.253427] ? __do_page_cache_readahead+0x663/0x810 [ 405.258530] ? find_held_lock+0x36/0x1c0 [ 405.263301] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 405.268851] alloc_pages_current+0x173/0x350 [ 405.273258] __page_cache_alloc+0x38c/0x5c0 [ 405.277590] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 405.282510] ? kasan_check_read+0x11/0x20 [ 405.286664] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.291937] ? generic_perform_write+0x6a0/0x6a0 [ 405.296692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.302234] ? check_preemption_disabled+0x48/0x280 [ 405.307273] filemap_fault+0x1595/0x25f0 [ 405.311339] ? __lock_page_or_retry+0xa00/0xa00 [ 405.316004] ? mark_held_locks+0x130/0x130 [ 405.320241] ? filemap_map_pages+0xd6b/0x1a20 [ 405.324730] ? lock_downgrade+0x900/0x900 [ 405.328874] ? check_preemption_disabled+0x48/0x280 [ 405.333912] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 405.338834] ? kasan_check_read+0x11/0x20 [ 405.342974] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.348242] ? rcu_softirq_qs+0x20/0x20 [ 405.352220] ? filemap_map_pages+0xd92/0x1a20 [ 405.356723] ? find_get_entries_tag+0x1400/0x1400 [ 405.362362] ? debug_object_destroy+0x2b0/0x2b0 [ 405.367028] ? lock_pi_update_atomic+0x150/0x150 [ 405.371777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.377318] ? lock_acquire+0x1ed/0x520 [ 405.381288] ? ext4_filemap_fault+0x7a/0xad [ 405.385604] ? lock_release+0xa00/0xa00 [ 405.389568] ? perf_trace_sched_process_exec+0x860/0x860 [ 405.395011] ? print_usage_bug+0xc0/0xc0 [ 405.399088] ? print_usage_bug+0xc0/0xc0 [ 405.403151] ? down_read+0x8d/0x120 [ 405.406771] ? ext4_filemap_fault+0x7a/0xad [ 405.411098] ? __down_interruptible+0x700/0x700 [ 405.415767] ext4_filemap_fault+0x82/0xad [ 405.419909] __do_fault+0x100/0x6b0 [ 405.423533] ? pmd_devmap_trans_unstable+0x220/0x220 [ 405.428631] ? mark_held_locks+0x130/0x130 [ 405.432889] ? mark_held_locks+0x130/0x130 [ 405.437114] ? do_raw_spin_trylock+0x270/0x270 [ 405.441691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.447235] __handle_mm_fault+0x3ea0/0x5be0 [ 405.451632] ? perf_trace_lock+0x7a0/0x7a0 [ 405.455862] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 405.461491] ? __switch_to_asm+0x34/0x70 [ 405.465539] ? __switch_to_asm+0x34/0x70 [ 405.469601] ? zap_class+0x640/0x640 [ 405.473310] ? zap_class+0x640/0x640 [ 405.477014] ? __x64_sys_futex+0x53e/0x6a0 [ 405.481248] ? find_held_lock+0x36/0x1c0 [ 405.485310] ? handle_mm_fault+0x42a/0xc70 [ 405.489536] ? lock_downgrade+0x900/0x900 [ 405.493676] ? check_preemption_disabled+0x48/0x280 [ 405.498697] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 405.503619] ? kasan_check_read+0x11/0x20 [ 405.507757] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.513024] ? rcu_softirq_qs+0x20/0x20 [ 405.516990] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.522085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.527617] ? check_preemption_disabled+0x48/0x280 [ 405.532639] handle_mm_fault+0x54f/0xc70 [ 405.536693] ? __handle_mm_fault+0x5be0/0x5be0 [ 405.541272] ? find_vma+0x34/0x190 [ 405.544806] __do_page_fault+0x5e8/0xe60 [ 405.548864] ? trace_hardirqs_off+0xb8/0x310 [ 405.553284] do_page_fault+0xf2/0x7e0 [ 405.557077] ? vmalloc_sync_all+0x30/0x30 [ 405.561690] ? error_entry+0x70/0xd0 [ 405.565424] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.570427] ? trace_hardirqs_on_caller+0xc0/0x310 [ 405.575363] ? syscall_return_slowpath+0x5e0/0x5e0 [ 405.580283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.585122] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.590132] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.595577] ? prepare_exit_to_usermode+0x291/0x3b0 [ 405.600587] ? page_fault+0x8/0x30 [ 405.604123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.608958] ? page_fault+0x8/0x30 [ 405.612499] page_fault+0x1e/0x30 [ 405.615941] RIP: 0033:0x45ddf3 [ 405.619134] Code: Bad RIP value. [ 405.622485] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 405.627836] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 405.635196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 405.642453] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 405.649707] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 405.656965] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 405.664741] warn_alloc_show_mem: 1 callbacks suppressed [ 405.664750] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 405.664751] Mem-Info: [ 405.664780] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 405.664780] active_file:12 inactive_file:13 isolated_file:0 [ 405.664780] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.664780] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 405.664780] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 405.664780] free:13705 free_pcp:178 free_cma:0 [ 405.670109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.676872] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.679255] Call Trace: [ 405.712194] Node 0 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 [ 405.721537] dump_stack+0x244/0x39d [ 405.749166] lowmem_reserve[]: 0 2818 6321 6321 [ 405.751763] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.778913] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 405.782545] warn_alloc.cold.116+0xb7/0x1bd [ 405.787081] lowmem_reserve[]: 0 0 3503 3503 [ 405.792254] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.819724] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 405.824036] ? lock_downgrade+0x900/0x900 [ 405.828328] lowmem_reserve[]: 0 0 0 0 [ 405.833251] ? trace_hardirqs_off+0xb8/0x310 [ 405.862828] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 405.866979] ? trace_hardirqs_off+0xb8/0x310 [ 405.870754] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 405.875187] __alloc_pages_slowpath+0x26e8/0x2e10 [ 405.888671] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 405.893087] ? warn_alloc+0x120/0x120 [ 405.908296] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.913118] ? warn_alloc+0x120/0x120 [ 405.927305] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.931287] ? warn_alloc+0x120/0x120 [ 405.940090] 366 total pagecache pages [ 405.943878] ? print_usage_bug+0xc0/0xc0 [ 405.952428] 0 pages in swap cache [ 405.956205] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 405.960452] Swap cache stats: add 0, delete 0, find 0/0 [ 405.960459] Free swap = 0kB [ 405.964507] ? print_usage_bug+0xc0/0xc0 [ 405.967927] Total swap = 0kB [ 405.972926] ? print_usage_bug+0xc0/0xc0 [ 405.978258] 1965979 pages RAM [ 405.981264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.985291] 0 pages HighMem/MovableOnly [ 405.988296] ? should_fail+0x22d/0xd01 [ 405.992328] 342854 pages reserved [ 405.995420] ? mark_held_locks+0x130/0x130 [ 406.000928] 0 pages cma reserved [ 406.004891] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.008803] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 406.012185] ? __lock_acquire+0x62f/0x4c20 [ 406.012201] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.012214] ? __lock_acquire+0x62f/0x4c20 [ 406.016489] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.019788] ? should_fail+0x22d/0xd01 [ 406.024861] syz-fuzzer cpuset=/ mems_allowed=0 [ 406.031360] ? print_usage_bug+0xc0/0xc0 [ 406.067915] ? mark_held_locks+0x130/0x130 [ 406.072148] ? mark_held_locks+0x130/0x130 [ 406.076393] ? zap_class+0x640/0x640 [ 406.080096] ? ret_from_fork+0x3a/0x50 [ 406.083980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.089512] ? check_preemption_disabled+0x48/0x280 [ 406.094530] ? __lock_is_held+0xb5/0x140 [ 406.098589] __alloc_pages_nodemask+0xa80/0xde0 [ 406.103251] ? zap_class+0x640/0x640 [ 406.106978] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 406.112003] ? find_held_lock+0x36/0x1c0 [ 406.116059] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.120719] ? lock_downgrade+0x900/0x900 [ 406.124875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.130425] cache_grow_begin+0xa5/0x8c0 [ 406.134478] ? do_raw_spin_unlock+0xa7/0x330 [ 406.138884] fallback_alloc+0x204/0x2e0 [ 406.142866] ____cache_alloc_node+0x1c7/0x1e0 [ 406.147359] kmem_cache_alloc_node+0xe3/0x730 [ 406.151855] ? mark_held_locks+0xc7/0x130 [ 406.156004] __alloc_skb+0x119/0x770 [ 406.159997] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.164393] ? do_raw_spin_trylock+0x270/0x270 [ 406.168966] ? kmem_cache_alloc_trace+0x353/0x750 [ 406.173810] ? queue_work_on+0x12c/0x1e0 [ 406.177885] ? switchdev_port_obj_del+0xdc/0x440 [ 406.182635] ? switchdev_trans_item_enqueue+0x260/0x260 [ 406.187999] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 406.193018] __br_mdb_notify+0x4ff/0x15d0 [ 406.197192] ? __br_mdb_add+0x7f0/0x7f0 [ 406.201167] ? zap_class+0x640/0x640 [ 406.204899] ? br_multicast_group_expired+0x96/0x610 [ 406.209995] ? lock_downgrade+0x900/0x900 [ 406.214139] br_mdb_notify+0x310/0x410 [ 406.218019] ? br_mdb_dump+0x27b0/0x27b0 [ 406.222078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.227614] br_multicast_group_expired+0x1bc/0x610 [ 406.232634] ? br_mdb_free+0x80/0x80 [ 406.236351] call_timer_fn+0x272/0x920 [ 406.240236] ? br_mdb_free+0x80/0x80 [ 406.243942] ? process_timeout+0x40/0x40 [ 406.248002] ? __run_timers+0x7da/0xc70 [ 406.251972] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.256458] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.261265] ? br_mdb_free+0x80/0x80 [ 406.264969] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.269651] ? trace_hardirqs_on+0xbd/0x310 [ 406.273964] ? kasan_check_read+0x11/0x20 [ 406.278101] ? __run_timers+0x7da/0xc70 [ 406.282065] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.287164] ? br_mdb_free+0x80/0x80 [ 406.290878] ? br_mdb_free+0x80/0x80 [ 406.294584] __run_timers+0x7e5/0xc70 [ 406.298387] ? timer_fixup_init+0x70/0x70 [ 406.302525] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.307013] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.311500] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 406.316080] ? trace_hardirqs_on+0xbd/0x310 [ 406.320391] ? kasan_check_read+0x11/0x20 [ 406.324532] ? finish_task_switch+0x1f4/0x910 [ 406.329023] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.334118] ? compat_start_thread+0x80/0x80 [ 406.338536] ? pvclock_read_flags+0x160/0x160 [ 406.343021] ? __switch_to_asm+0x34/0x70 [ 406.347077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.352606] ? check_preemption_disabled+0x48/0x280 [ 406.357620] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 406.363476] ? rcu_pm_notify+0xc0/0xc0 [ 406.367363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.372897] ? check_preemption_disabled+0x48/0x280 [ 406.377910] run_timer_softirq+0x52/0xb0 [ 406.381963] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.386973] __do_softirq+0x308/0xb7e [ 406.390769] ? trace_hardirqs_on_caller+0xc0/0x310 [ 406.395693] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.400787] ? trace_hardirqs_on+0x310/0x310 [ 406.405198] ? schedule+0x108/0x460 [ 406.408837] ? trace_hardirqs_off+0xb8/0x310 [ 406.413241] ? smpboot_thread_fn+0x68b/0xa00 [ 406.417645] ? trace_hardirqs_on+0x310/0x310 [ 406.422047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.427580] ? check_preemption_disabled+0x48/0x280 [ 406.432592] ? takeover_tasklets+0xa90/0xa90 [ 406.436992] run_ksoftirqd+0x5e/0x100 [ 406.440783] smpboot_thread_fn+0x68b/0xa00 [ 406.445040] ? sort_range+0x30/0x30 [ 406.448661] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.453755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.459549] ? __kthread_parkme+0xfb/0x1a0 [ 406.463780] ? sort_range+0x30/0x30 [ 406.467406] kthread+0x35a/0x440 [ 406.470767] ? kthread_stop+0x900/0x900 [ 406.474755] ret_from_fork+0x3a/0x50 [ 406.478491] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 406.478651] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.485413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.495698] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 406.505031] Call Trace: [ 406.512237] [ 406.514382] dump_stack+0x244/0x39d [ 406.518007] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.523197] warn_alloc.cold.116+0xb7/0x1bd [ 406.527513] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.532366] ? lock_downgrade+0x900/0x900 [ 406.536509] ? trace_hardirqs_off+0xb8/0x310 [ 406.540916] ? trace_hardirqs_off+0xb8/0x310 [ 406.545329] __alloc_pages_slowpath+0x26e8/0x2e10 [ 406.550190] ? warn_alloc+0x120/0x120 [ 406.553986] ? print_usage_bug+0xc0/0xc0 [ 406.558048] ? warn_alloc+0x120/0x120 [ 406.562333] ? warn_alloc+0x120/0x120 [ 406.566129] ? print_usage_bug+0xc0/0xc0 [ 406.570183] ? print_usage_bug+0xc0/0xc0 [ 406.574232] ? __lock_acquire+0x62f/0x4c20 [ 406.578464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.583989] ? should_fail+0x22d/0xd01 [ 406.587873] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.592970] ? __lock_acquire+0x62f/0x4c20 [ 406.597197] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.602290] ? __lock_acquire+0x62f/0x4c20 [ 406.606520] ? should_fail+0x22d/0xd01 [ 406.610394] ? find_held_lock+0x36/0x1c0 [ 406.614540] ? mark_held_locks+0x130/0x130 [ 406.618770] ? mark_held_locks+0x130/0x130 [ 406.623000] ? zap_class+0x640/0x640 [ 406.626706] ? zap_class+0x640/0x640 [ 406.630415] ? print_usage_bug+0xc0/0xc0 [ 406.634495] ? do_raw_spin_unlock+0xa7/0x330 [ 406.638895] ? zap_class+0x640/0x640 [ 406.642614] ? print_usage_bug+0xc0/0xc0 [ 406.646665] ? wq_watchdog_touch+0x9c/0xfe [ 406.650905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.656436] ? check_preemption_disabled+0x48/0x280 [ 406.662195] ? __lock_is_held+0xb5/0x140 [ 406.666254] __alloc_pages_nodemask+0xa80/0xde0 [ 406.670918] ? zap_class+0x640/0x640 [ 406.674633] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 406.679665] ? find_held_lock+0x36/0x1c0 [ 406.683743] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.688418] ? lock_downgrade+0x900/0x900 [ 406.692566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.698101] cache_grow_begin+0xa5/0x8c0 [ 406.702156] ? do_raw_spin_unlock+0xa7/0x330 [ 406.706563] fallback_alloc+0x204/0x2e0 [ 406.710532] ____cache_alloc_node+0x1c7/0x1e0 [ 406.715022] kmem_cache_alloc_node+0xe3/0x730 [ 406.719508] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.723744] __alloc_skb+0x119/0x770 [ 406.727457] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.732725] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.737123] ? lock_downgrade+0x900/0x900 [ 406.741288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.746824] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.752272] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.757730] ? addrconf_rs_timer+0x690/0x690 [ 406.762831] ndisc_alloc_skb+0x144/0x340 [ 406.766890] ndisc_send_rs+0x331/0x6e0 [ 406.770773] addrconf_rs_timer+0x314/0x690 [ 406.775010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.779243] call_timer_fn+0x272/0x920 [ 406.783116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.787338] ? process_timeout+0x40/0x40 [ 406.791400] ? mark_held_locks+0xc7/0x130 [ 406.795539] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.800024] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.804510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.808735] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.813312] ? trace_hardirqs_on+0xbd/0x310 [ 406.817629] ? kasan_check_read+0x11/0x20 [ 406.821771] ? __run_timers+0x7da/0xc70 [ 406.825745] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.830844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.835078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.839316] __run_timers+0x7e5/0xc70 [ 406.843119] ? timer_fixup_init+0x70/0x70 [ 406.847269] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 406.852282] ? zap_class+0x640/0x640 [ 406.855995] ? print_usage_bug+0xc0/0xc0 [ 406.860795] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 406.865984] ? find_held_lock+0x36/0x1c0 [ 406.870041] ? zap_class+0x640/0x640 [ 406.873753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.879317] ? check_preemption_disabled+0x48/0x280 [ 406.884339] ? __lock_is_held+0xb5/0x140 [ 406.888408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.893937] ? check_preemption_disabled+0x48/0x280 [ 406.898954] run_timer_softirq+0x52/0xb0 [ 406.903007] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.908017] __do_softirq+0x308/0xb7e [ 406.911813] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 406.916306] ? lock_downgrade+0x900/0x900 [ 406.920462] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.925571] ? pvclock_read_flags+0x160/0x160 [ 406.930057] ? lapic_next_event+0x5a/0x90 [ 406.934201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.939736] ? kvm_clock_read+0x18/0x30 [ 406.943708] ? kvm_sched_clock_read+0x9/0x20 [ 406.948114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.953643] ? check_preemption_disabled+0x48/0x280 [ 406.958660] irq_exit+0x17f/0x1c0 [ 406.962864] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.967692] ? smp_reschedule_interrupt+0x109/0x650 [ 406.972701] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.978579] ? interrupt_entry+0xb5/0xc0 [ 406.982635] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.987639] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.992676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.997528] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.002537] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.007546] ? task_prio+0x50/0x50 [ 407.011080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.016610] ? check_preemption_disabled+0x48/0x280 [ 407.021622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.026462] apic_timer_interrupt+0xf/0x20 [ 407.030683] [ 407.032914] RIP: 0010:dump_stack+0x358/0x39d [ 407.037317] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 407.056207] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 407.064858] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 407.072116] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 407.079379] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 407.086642] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 407.093900] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 407.101173] ? dump_stack+0x34f/0x39d [ 407.104978] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.110168] ? mark_held_locks+0x130/0x130 [ 407.114397] ? mark_held_locks+0x130/0x130 [ 407.118628] dump_header+0x27b/0xf72 [ 407.122343] ? pagefault_out_of_memory+0x197/0x197 [ 407.127275] ? __lock_acquire+0x62f/0x4c20 [ 407.131512] ? percpu_ref_get_many+0x240/0x240 [ 407.136092] ? print_usage_bug+0xc0/0xc0 [ 407.140150] ? zap_class+0x640/0x640 [ 407.143862] ? print_usage_bug+0xc0/0xc0 [ 407.147913] ? print_usage_bug+0xc0/0xc0 [ 407.151974] ? zap_class+0x640/0x640 [ 407.155686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.161812] ? find_held_lock+0x36/0x1c0 [ 407.165878] ? mark_held_locks+0xc7/0x130 [ 407.170025] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.175121] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.180223] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.184800] ? trace_hardirqs_on+0xbd/0x310 [ 407.189114] ? kasan_check_read+0x11/0x20 [ 407.193258] ? ___ratelimit+0x3b4/0x672 [ 407.197232] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.202329] ? trace_hardirqs_on+0x310/0x310 [ 407.206747] ? lock_downgrade+0x900/0x900 [ 407.210904] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.216013] ? ___ratelimit+0x3b9/0x672 [ 407.219981] ? idr_get_free+0xf70/0xf70 [ 407.223945] ? find_held_lock+0x36/0x1c0 [ 407.228010] oom_kill_process.cold.27+0x10/0x903 [ 407.232766] ? zap_class+0x640/0x640 [ 407.236487] ? check_preemption_disabled+0x48/0x280 [ 407.241514] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.246437] ? kasan_check_read+0x11/0x20 [ 407.250579] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.255847] ? oom_evaluate_task+0x540/0x540 [ 407.261197] ? find_held_lock+0x36/0x1c0 [ 407.265261] ? out_of_memory+0x974/0x1430 [ 407.269405] ? lock_downgrade+0x900/0x900 [ 407.273547] ? check_preemption_disabled+0x48/0x280 [ 407.278572] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.283501] ? kasan_check_read+0x11/0x20 [ 407.287643] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.292911] ? rcu_softirq_qs+0x20/0x20 [ 407.296884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.302434] ? oom_evaluate_task+0x302/0x540 [ 407.306839] out_of_memory+0xa84/0x1430 [ 407.310819] ? oom_killer_disable+0x3a0/0x3a0 [ 407.315311] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 407.320237] ? __ww_mutex_check_waiters+0x160/0x160 [ 407.325258] __alloc_pages_slowpath+0x2354/0x2e10 [ 407.330126] ? warn_alloc+0x120/0x120 [ 407.333922] ? mark_held_locks+0x130/0x130 [ 407.338154] ? find_get_entry+0xaae/0x1120 [ 407.342391] ? filemap_map_pages+0x1a20/0x1a20 [ 407.346983] ? zap_class+0x640/0x640 [ 407.350695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.356225] ? check_preemption_disabled+0x48/0x280 [ 407.362229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.367765] ? should_fail+0x22d/0xd01 [ 407.371648] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.376744] ? zap_class+0x640/0x640 [ 407.380483] ? __lock_is_held+0xb5/0x140 [ 407.384542] ? mark_held_locks+0x130/0x130 [ 407.388776] ? lock_release+0xa00/0xa00 [ 407.392756] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.398201] ? xa_load+0x2ba/0x460 [ 407.401736] ? lock_downgrade+0x900/0x900 [ 407.405886] ? __might_sleep+0x95/0x190 [ 407.409863] __alloc_pages_nodemask+0xa80/0xde0 [ 407.414531] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 407.419544] ? __page_cache_alloc+0x191/0x5c0 [ 407.424029] ? xa_load+0x2e1/0x460 [ 407.427562] ? xa_clear_mark+0x40/0x40 [ 407.431445] ? zap_class+0x640/0x640 [ 407.435159] ? zap_class+0x640/0x640 [ 407.438870] ? zap_class+0x640/0x640 [ 407.442575] ? __do_page_cache_readahead+0x663/0x810 [ 407.447676] ? find_held_lock+0x36/0x1c0 [ 407.451733] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 407.457273] alloc_pages_current+0x173/0x350 [ 407.462502] __page_cache_alloc+0x38c/0x5c0 [ 407.466814] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.471735] ? kasan_check_read+0x11/0x20 [ 407.475905] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.481175] ? generic_perform_write+0x6a0/0x6a0 [ 407.485926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.491454] ? check_preemption_disabled+0x48/0x280 [ 407.496471] filemap_fault+0x1595/0x25f0 [ 407.500535] ? __lock_page_or_retry+0xa00/0xa00 [ 407.505199] ? mark_held_locks+0x130/0x130 [ 407.509438] ? filemap_map_pages+0xd6b/0x1a20 [ 407.513929] ? lock_downgrade+0x900/0x900 [ 407.518071] ? check_preemption_disabled+0x48/0x280 [ 407.523083] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.528003] ? kasan_check_read+0x11/0x20 [ 407.532158] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.537426] ? rcu_softirq_qs+0x20/0x20 [ 407.541410] ? filemap_map_pages+0xd92/0x1a20 [ 407.545910] ? find_get_entries_tag+0x1400/0x1400 [ 407.550778] ? debug_object_destroy+0x2b0/0x2b0 [ 407.555444] ? lock_pi_update_atomic+0x150/0x150 [ 407.560845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.566392] ? lock_acquire+0x1ed/0x520 [ 407.570358] ? ext4_filemap_fault+0x7a/0xad [ 407.574679] ? lock_release+0xa00/0xa00 [ 407.578646] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.584086] ? print_usage_bug+0xc0/0xc0 [ 407.588142] ? print_usage_bug+0xc0/0xc0 [ 407.592204] ? down_read+0x8d/0x120 [ 407.595821] ? ext4_filemap_fault+0x7a/0xad [ 407.600136] ? __down_interruptible+0x700/0x700 [ 407.604804] ext4_filemap_fault+0x82/0xad [ 407.608951] __do_fault+0x100/0x6b0 [ 407.612575] ? pmd_devmap_trans_unstable+0x220/0x220 [ 407.617672] ? mark_held_locks+0x130/0x130 [ 407.621902] ? mark_held_locks+0x130/0x130 [ 407.626130] ? do_raw_spin_trylock+0x270/0x270 [ 407.630739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.636279] __handle_mm_fault+0x3ea0/0x5be0 [ 407.640680] ? perf_trace_lock+0x7a0/0x7a0 [ 407.644915] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 407.649764] ? __switch_to_asm+0x34/0x70 [ 407.653815] ? __switch_to_asm+0x34/0x70 [ 407.657897] ? zap_class+0x640/0x640 [ 407.662386] ? zap_class+0x640/0x640 [ 407.666100] ? __x64_sys_futex+0x53e/0x6a0 [ 407.670337] ? find_held_lock+0x36/0x1c0 [ 407.674403] ? handle_mm_fault+0x42a/0xc70 [ 407.678643] ? lock_downgrade+0x900/0x900 [ 407.682784] ? check_preemption_disabled+0x48/0x280 [ 407.687800] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.692720] ? kasan_check_read+0x11/0x20 [ 407.696868] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.702134] ? rcu_softirq_qs+0x20/0x20 [ 407.706103] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.711201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.716735] ? check_preemption_disabled+0x48/0x280 [ 407.721760] handle_mm_fault+0x54f/0xc70 [ 407.725818] ? __handle_mm_fault+0x5be0/0x5be0 [ 407.730407] ? find_vma+0x34/0x190 [ 407.733948] __do_page_fault+0x5e8/0xe60 [ 407.738001] ? trace_hardirqs_off+0xb8/0x310 [ 407.742424] do_page_fault+0xf2/0x7e0 [ 407.746216] ? vmalloc_sync_all+0x30/0x30 [ 407.750361] ? error_entry+0x70/0xd0 [ 407.754065] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.759274] ? trace_hardirqs_on_caller+0xc0/0x310 [ 407.764485] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.769403] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.774247] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.779260] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.784706] ? prepare_exit_to_usermode+0x291/0x3b0 [ 407.789720] ? page_fault+0x8/0x30 [ 407.793272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.798108] ? page_fault+0x8/0x30 [ 407.801657] page_fault+0x1e/0x30 [ 407.805104] RIP: 0033:0x45ddf3 [ 407.808322] Code: Bad RIP value. [ 407.811678] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 407.817033] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 407.824293] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 407.831555] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 407.838815] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 407.846070] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 407.853344] warn_alloc_show_mem: 1 callbacks suppressed [ 407.853353] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 407.853354] Mem-Info: [ 407.853385] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 407.853385] active_file:12 inactive_file:13 isolated_file:0 [ 407.853385] unevictable:0 dirty:0 writeback:0 unstable:0 [ 407.853385] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 407.853385] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 407.853385] free:13705 free_pcp:178 free_cma:0 [ 407.858710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.858724] Call Trace: [ 407.866286] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 407.868681] dump_stack+0x244/0x39d [ 407.901525] Node 0 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 [ 407.910961] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.913512] lowmem_reserve[]: 0 2818 6321 6321 [ 407.941410] warn_alloc.cold.116+0xb7/0x1bd [ 407.945000] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 407.971464] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.976619] lowmem_reserve[]: 0 0 3503 3503 [ 407.981188] ? lock_downgrade+0x900/0x900 [ 407.985480] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 408.012971] ? trace_hardirqs_off+0xb8/0x310 [ 408.017778] lowmem_reserve[]: 0 0 0 0 [ 408.022091] ? trace_hardirqs_off+0xb8/0x310 [ 408.026203] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 408.055184] __alloc_pages_slowpath+0x26e8/0x2e10 [ 408.059873] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 408.063693] ? warn_alloc+0x120/0x120 [ 408.068047] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 408.081556] ? warn_alloc+0x120/0x120 [ 408.086371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 408.101609] ? warn_alloc+0x120/0x120 [ 408.105385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 408.119671] ? print_usage_bug+0xc0/0xc0 [ 408.123438] 366 total pagecache pages [ 408.132258] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 408.136038] 0 pages in swap cache [ 408.144590] ? print_usage_bug+0xc0/0xc0 [ 408.148620] Swap cache stats: add 0, delete 0, find 0/0 [ 408.152398] ? print_usage_bug+0xc0/0xc0 [ 408.157381] Free swap = 0kB [ 408.161110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.165136] Total swap = 0kB [ 408.170481] ? should_fail+0x22d/0xd01 [ 408.174508] 1965979 pages RAM [ 408.177510] ? mark_held_locks+0x130/0x130 [ 408.183015] 0 pages HighMem/MovableOnly [ 408.186022] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.189876] 342854 pages reserved [ 408.192968] ? __lock_acquire+0x62f/0x4c20 [ 408.197172] 0 pages cma reserved [ 408.201132] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.206264] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.209635] ? __lock_acquire+0x62f/0x4c20 [ 408.209650] ? should_fail+0x22d/0xd01 [ 408.213929] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.217211] ? print_usage_bug+0xc0/0xc0 [ 408.222285] syz-fuzzer cpuset=/ mems_allowed=0 [ 408.228770] ? mark_held_locks+0x130/0x130 [ 408.260346] ? mark_held_locks+0x130/0x130 [ 408.264584] ? zap_class+0x640/0x640 [ 408.268287] ? ret_from_fork+0x3a/0x50 [ 408.272170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.277717] ? check_preemption_disabled+0x48/0x280 [ 408.282740] ? __lock_is_held+0xb5/0x140 [ 408.286797] __alloc_pages_nodemask+0xa80/0xde0 [ 408.291471] ? zap_class+0x640/0x640 [ 408.295196] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 408.300211] ? find_held_lock+0x36/0x1c0 [ 408.304290] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.308952] ? lock_downgrade+0x900/0x900 [ 408.313097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.318654] cache_grow_begin+0xa5/0x8c0 [ 408.322720] ? do_raw_spin_unlock+0xa7/0x330 [ 408.327128] fallback_alloc+0x204/0x2e0 [ 408.331104] ____cache_alloc_node+0x1c7/0x1e0 [ 408.335597] kmem_cache_alloc_node+0xe3/0x730 [ 408.340085] ? mark_held_locks+0xc7/0x130 [ 408.344235] __alloc_skb+0x119/0x770 [ 408.347946] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.352350] ? do_raw_spin_trylock+0x270/0x270 [ 408.356928] ? kmem_cache_alloc_trace+0x353/0x750 [ 408.362187] ? queue_work_on+0x12c/0x1e0 [ 408.366250] ? switchdev_port_obj_del+0xdc/0x440 [ 408.371004] ? switchdev_trans_item_enqueue+0x260/0x260 [ 408.376365] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.381384] __br_mdb_notify+0x4ff/0x15d0 [ 408.385538] ? __br_mdb_add+0x7f0/0x7f0 [ 408.389515] ? zap_class+0x640/0x640 [ 408.393233] ? br_multicast_group_expired+0x96/0x610 [ 408.398329] ? lock_downgrade+0x900/0x900 [ 408.402474] br_mdb_notify+0x310/0x410 [ 408.406723] ? br_mdb_dump+0x27b0/0x27b0 [ 408.410783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.416321] br_multicast_group_expired+0x1bc/0x610 [ 408.421337] ? br_mdb_free+0x80/0x80 [ 408.425056] call_timer_fn+0x272/0x920 [ 408.428933] ? br_mdb_free+0x80/0x80 [ 408.432641] ? process_timeout+0x40/0x40 [ 408.436710] ? __run_timers+0x7da/0xc70 [ 408.440686] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.445179] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.449667] ? br_mdb_free+0x80/0x80 [ 408.453384] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.457960] ? trace_hardirqs_on+0xbd/0x310 [ 408.462573] ? kasan_check_read+0x11/0x20 [ 408.466716] ? __run_timers+0x7da/0xc70 [ 408.470775] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.475878] ? br_mdb_free+0x80/0x80 [ 408.479588] ? br_mdb_free+0x80/0x80 [ 408.483305] __run_timers+0x7e5/0xc70 [ 408.487107] ? timer_fixup_init+0x70/0x70 [ 408.491246] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.495733] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.500223] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 408.504814] ? trace_hardirqs_on+0xbd/0x310 [ 408.509132] ? kasan_check_read+0x11/0x20 [ 408.513271] ? finish_task_switch+0x1f4/0x910 [ 408.517758] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.522867] ? compat_start_thread+0x80/0x80 [ 408.527289] ? pvclock_read_flags+0x160/0x160 [ 408.531775] ? __switch_to_asm+0x34/0x70 [ 408.535833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.541364] ? check_preemption_disabled+0x48/0x280 [ 408.546382] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 408.551916] ? rcu_pm_notify+0xc0/0xc0 [ 408.555800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.561695] ? check_preemption_disabled+0x48/0x280 [ 408.566709] run_timer_softirq+0x52/0xb0 [ 408.570778] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.575795] __do_softirq+0x308/0xb7e [ 408.579590] ? trace_hardirqs_on_caller+0xc0/0x310 [ 408.584515] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 408.589609] ? trace_hardirqs_on+0x310/0x310 [ 408.594013] ? schedule+0x108/0x460 [ 408.597638] ? trace_hardirqs_off+0xb8/0x310 [ 408.602040] ? smpboot_thread_fn+0x68b/0xa00 [ 408.606453] ? trace_hardirqs_on+0x310/0x310 [ 408.610854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.616386] ? check_preemption_disabled+0x48/0x280 [ 408.621392] ? takeover_tasklets+0xa90/0xa90 [ 408.625795] run_ksoftirqd+0x5e/0x100 [ 408.629583] smpboot_thread_fn+0x68b/0xa00 [ 408.633809] ? sort_range+0x30/0x30 [ 408.637429] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.642526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.648057] ? __kthread_parkme+0xfb/0x1a0 [ 408.652288] ? sort_range+0x30/0x30 [ 408.655904] kthread+0x35a/0x440 [ 408.659614] ? kthread_stop+0x900/0x900 [ 408.663576] ret_from_fork+0x3a/0x50 [ 408.667324] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 408.667467] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.674263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.684551] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 408.693883] Call Trace: [ 408.701091] [ 408.703247] dump_stack+0x244/0x39d [ 408.706871] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.712062] warn_alloc.cold.116+0xb7/0x1bd [ 408.716382] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.721221] ? lock_downgrade+0x900/0x900 [ 408.725367] ? trace_hardirqs_off+0xb8/0x310 [ 408.729773] ? trace_hardirqs_off+0xb8/0x310 [ 408.734194] __alloc_pages_slowpath+0x26e8/0x2e10 [ 408.739052] ? warn_alloc+0x120/0x120 [ 408.742845] ? print_usage_bug+0xc0/0xc0 [ 408.746900] ? warn_alloc+0x120/0x120 [ 408.750708] ? warn_alloc+0x120/0x120 [ 408.754501] ? print_usage_bug+0xc0/0xc0 [ 408.758553] ? kvm_clock_read+0x18/0x30 [ 408.763526] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.768536] ? print_usage_bug+0xc0/0xc0 [ 408.772589] ? __lock_acquire+0x62f/0x4c20 [ 408.776816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.782345] ? should_fail+0x22d/0xd01 [ 408.786313] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.791583] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.796688] ? __lock_acquire+0x62f/0x4c20 [ 408.800920] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.806032] ? __lock_acquire+0x62f/0x4c20 [ 408.810258] ? should_fail+0x22d/0xd01 [ 408.814130] ? rcu_irq_exit+0x1a2/0x390 [ 408.818107] ? mark_held_locks+0x130/0x130 [ 408.822342] ? mark_held_locks+0x130/0x130 [ 408.826580] ? mark_held_locks+0xc7/0x130 [ 408.830718] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 408.835723] ? zap_class+0x640/0x640 [ 408.839424] ? print_usage_bug+0xc0/0xc0 [ 408.843483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.849015] ? check_preemption_disabled+0x48/0x280 [ 408.854035] ? __lock_is_held+0xb5/0x140 [ 408.858094] __alloc_pages_nodemask+0xa80/0xde0 [ 408.863537] ? zap_class+0x640/0x640 [ 408.867247] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 408.872272] ? find_held_lock+0x36/0x1c0 [ 408.876334] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.881000] ? lock_downgrade+0x900/0x900 [ 408.885150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.890692] cache_grow_begin+0xa5/0x8c0 [ 408.894742] ? do_raw_spin_unlock+0xa7/0x330 [ 408.899236] fallback_alloc+0x204/0x2e0 [ 408.903210] ____cache_alloc_node+0x1c7/0x1e0 [ 408.907704] kmem_cache_alloc_node+0xe3/0x730 [ 408.912203] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.916440] __alloc_skb+0x119/0x770 [ 408.920145] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.925426] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.929825] ? lock_downgrade+0x900/0x900 [ 408.933970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.939501] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.944959] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.950489] ? addrconf_rs_timer+0x690/0x690 [ 408.954901] ndisc_alloc_skb+0x144/0x340 [ 408.959691] ndisc_send_rs+0x331/0x6e0 [ 408.963580] addrconf_rs_timer+0x314/0x690 [ 408.967811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.972064] call_timer_fn+0x272/0x920 [ 408.975950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.980185] ? process_timeout+0x40/0x40 [ 408.984252] ? mark_held_locks+0xc7/0x130 [ 408.988397] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.992880] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.997365] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.001590] ? lockdep_hardirqs_on+0x296/0x5b0 [ 409.006173] ? trace_hardirqs_on+0xbd/0x310 [ 409.010492] ? kasan_check_read+0x11/0x20 [ 409.014629] ? __run_timers+0x7da/0xc70 [ 409.018601] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.023705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.027948] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.032187] __run_timers+0x7e5/0xc70 [ 409.035989] ? timer_fixup_init+0x70/0x70 [ 409.040131] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.045156] ? zap_class+0x640/0x640 [ 409.048883] ? print_usage_bug+0xc0/0xc0 [ 409.052942] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.058128] ? find_held_lock+0x36/0x1c0 [ 409.063169] ? zap_class+0x640/0x640 [ 409.066878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.072407] ? check_preemption_disabled+0x48/0x280 [ 409.077423] ? __lock_is_held+0xb5/0x140 [ 409.081476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.087005] ? check_preemption_disabled+0x48/0x280 [ 409.092015] run_timer_softirq+0x52/0xb0 [ 409.096067] ? rcu_read_lock_sched_held+0x14f/0x180 [ 409.101094] __do_softirq+0x308/0xb7e [ 409.104888] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 409.109371] ? lock_downgrade+0x900/0x900 [ 409.113533] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.118634] ? pvclock_read_flags+0x160/0x160 [ 409.123132] ? lapic_next_event+0x5a/0x90 [ 409.127278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.132815] ? kvm_clock_read+0x18/0x30 [ 409.136795] ? kvm_sched_clock_read+0x9/0x20 [ 409.141206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.146731] ? check_preemption_disabled+0x48/0x280 [ 409.151752] irq_exit+0x17f/0x1c0 [ 409.155199] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.160806] ? smp_reschedule_interrupt+0x109/0x650 [ 409.165836] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.171715] ? interrupt_entry+0xb5/0xc0 [ 409.175769] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.180775] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.185784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.190622] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.195669] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.200676] ? task_prio+0x50/0x50 [ 409.204212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.209747] ? check_preemption_disabled+0x48/0x280 [ 409.214758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.219603] apic_timer_interrupt+0xf/0x20 [ 409.223830] [ 409.226080] RIP: 0010:dump_stack+0x358/0x39d [ 409.230486] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 409.249381] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 409.257077] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 409.265133] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 409.272413] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 409.279674] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 409.286939] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 409.294216] ? dump_stack+0x34f/0x39d [ 409.298021] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.303208] ? mark_held_locks+0x130/0x130 [ 409.307434] ? mark_held_locks+0x130/0x130 [ 409.311663] dump_header+0x27b/0xf72 [ 409.315381] ? pagefault_out_of_memory+0x197/0x197 [ 409.320309] ? __lock_acquire+0x62f/0x4c20 [ 409.324540] ? percpu_ref_get_many+0x240/0x240 [ 409.329117] ? print_usage_bug+0xc0/0xc0 [ 409.333178] ? zap_class+0x640/0x640 [ 409.336890] ? print_usage_bug+0xc0/0xc0 [ 409.341115] ? print_usage_bug+0xc0/0xc0 [ 409.345172] ? zap_class+0x640/0x640 [ 409.348879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.354411] ? find_held_lock+0x36/0x1c0 [ 409.358474] ? mark_held_locks+0xc7/0x130 [ 409.363405] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.368503] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.373599] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.378183] ? trace_hardirqs_on+0xbd/0x310 [ 409.382502] ? kasan_check_read+0x11/0x20 [ 409.386650] ? ___ratelimit+0x3b4/0x672 [ 409.390626] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.395725] ? trace_hardirqs_on+0x310/0x310 [ 409.400140] ? lock_downgrade+0x900/0x900 [ 409.404283] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.409374] ? ___ratelimit+0x3b9/0x672 [ 409.413345] ? idr_get_free+0xf70/0xf70 [ 409.417318] ? find_held_lock+0x36/0x1c0 [ 409.421396] oom_kill_process.cold.27+0x10/0x903 [ 409.426152] ? zap_class+0x640/0x640 [ 409.429859] ? check_preemption_disabled+0x48/0x280 [ 409.434869] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.439786] ? kasan_check_read+0x11/0x20 [ 409.443922] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.449188] ? oom_evaluate_task+0x540/0x540 [ 409.453593] ? find_held_lock+0x36/0x1c0 [ 409.457656] ? out_of_memory+0x974/0x1430 [ 409.462411] ? lock_downgrade+0x900/0x900 [ 409.466553] ? check_preemption_disabled+0x48/0x280 [ 409.471583] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.476521] ? kasan_check_read+0x11/0x20 [ 409.480661] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.485944] ? rcu_softirq_qs+0x20/0x20 [ 409.489907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.495431] ? oom_evaluate_task+0x302/0x540 [ 409.499843] out_of_memory+0xa84/0x1430 [ 409.503814] ? oom_killer_disable+0x3a0/0x3a0 [ 409.508302] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 409.513227] ? __ww_mutex_check_waiters+0x160/0x160 [ 409.518245] __alloc_pages_slowpath+0x2354/0x2e10 [ 409.523109] ? warn_alloc+0x120/0x120 [ 409.526904] ? mark_held_locks+0x130/0x130 [ 409.531141] ? find_get_entry+0xaae/0x1120 [ 409.535376] ? filemap_map_pages+0x1a20/0x1a20 [ 409.539948] ? zap_class+0x640/0x640 [ 409.543656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.549197] ? check_preemption_disabled+0x48/0x280 [ 409.554218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.560354] ? should_fail+0x22d/0xd01 [ 409.564239] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.569337] ? zap_class+0x640/0x640 [ 409.573065] ? __lock_is_held+0xb5/0x140 [ 409.577128] ? mark_held_locks+0x130/0x130 [ 409.581362] ? lock_release+0xa00/0xa00 [ 409.585331] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.590782] ? xa_load+0x2ba/0x460 [ 409.594316] ? lock_downgrade+0x900/0x900 [ 409.598465] ? __might_sleep+0x95/0x190 [ 409.602436] __alloc_pages_nodemask+0xa80/0xde0 [ 409.607103] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 409.612117] ? __page_cache_alloc+0x191/0x5c0 [ 409.616616] ? xa_load+0x2e1/0x460 [ 409.620149] ? xa_clear_mark+0x40/0x40 [ 409.624032] ? zap_class+0x640/0x640 [ 409.627745] ? zap_class+0x640/0x640 [ 409.631448] ? zap_class+0x640/0x640 [ 409.635155] ? __do_page_cache_readahead+0x663/0x810 [ 409.640273] ? find_held_lock+0x36/0x1c0 [ 409.644332] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 409.649866] alloc_pages_current+0x173/0x350 [ 409.654287] __page_cache_alloc+0x38c/0x5c0 [ 409.658617] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.664262] ? kasan_check_read+0x11/0x20 [ 409.668407] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.673691] ? generic_perform_write+0x6a0/0x6a0 [ 409.678442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.683974] ? check_preemption_disabled+0x48/0x280 [ 409.688989] filemap_fault+0x1595/0x25f0 [ 409.693053] ? __lock_page_or_retry+0xa00/0xa00 [ 409.697715] ? mark_held_locks+0x130/0x130 [ 409.701951] ? filemap_map_pages+0xd6b/0x1a20 [ 409.706441] ? lock_downgrade+0x900/0x900 [ 409.710582] ? check_preemption_disabled+0x48/0x280 [ 409.715624] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.720550] ? kasan_check_read+0x11/0x20 [ 409.724691] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.729963] ? rcu_softirq_qs+0x20/0x20 [ 409.733945] ? filemap_map_pages+0xd92/0x1a20 [ 409.738444] ? find_get_entries_tag+0x1400/0x1400 [ 409.743300] ? debug_object_destroy+0x2b0/0x2b0 [ 409.747979] ? lock_pi_update_atomic+0x150/0x150 [ 409.752730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.758272] ? lock_acquire+0x1ed/0x520 [ 409.763319] ? ext4_filemap_fault+0x7a/0xad [ 409.767651] ? lock_release+0xa00/0xa00 [ 409.771622] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.777065] ? print_usage_bug+0xc0/0xc0 [ 409.781127] ? print_usage_bug+0xc0/0xc0 [ 409.785193] ? down_read+0x8d/0x120 [ 409.788810] ? ext4_filemap_fault+0x7a/0xad [ 409.793129] ? __down_interruptible+0x700/0x700 [ 409.797799] ext4_filemap_fault+0x82/0xad [ 409.801942] __do_fault+0x100/0x6b0 [ 409.805571] ? pmd_devmap_trans_unstable+0x220/0x220 [ 409.810694] ? mark_held_locks+0x130/0x130 [ 409.814926] ? mark_held_locks+0x130/0x130 [ 409.819154] ? do_raw_spin_trylock+0x270/0x270 [ 409.823738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.829288] __handle_mm_fault+0x3ea0/0x5be0 [ 409.833720] ? perf_trace_lock+0x7a0/0x7a0 [ 409.837957] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 409.842801] ? __switch_to_asm+0x34/0x70 [ 409.846854] ? __switch_to_asm+0x34/0x70 [ 409.850916] ? zap_class+0x640/0x640 [ 409.854622] ? zap_class+0x640/0x640 [ 409.858326] ? __x64_sys_futex+0x53e/0x6a0 [ 409.863558] ? find_held_lock+0x36/0x1c0 [ 409.867628] ? handle_mm_fault+0x42a/0xc70 [ 409.871856] ? lock_downgrade+0x900/0x900 [ 409.876008] ? check_preemption_disabled+0x48/0x280 [ 409.881019] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.885941] ? kasan_check_read+0x11/0x20 [ 409.890081] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.895353] ? rcu_softirq_qs+0x20/0x20 [ 409.899325] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.904423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.909964] ? check_preemption_disabled+0x48/0x280 [ 409.914983] handle_mm_fault+0x54f/0xc70 [ 409.919044] ? __handle_mm_fault+0x5be0/0x5be0 [ 409.923624] ? find_vma+0x34/0x190 [ 409.927168] __do_page_fault+0x5e8/0xe60 [ 409.931735] ? trace_hardirqs_off+0xb8/0x310 [ 409.936153] do_page_fault+0xf2/0x7e0 [ 409.939950] ? vmalloc_sync_all+0x30/0x30 [ 409.944092] ? error_entry+0x70/0xd0 [ 409.947802] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.952811] ? trace_hardirqs_on_caller+0xc0/0x310 [ 409.957735] ? syscall_return_slowpath+0x5e0/0x5e0 [ 409.963456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.968294] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.973299] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.978745] ? prepare_exit_to_usermode+0x291/0x3b0 [ 409.983750] ? page_fault+0x8/0x30 [ 409.987287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.992146] ? page_fault+0x8/0x30 [ 409.995682] page_fault+0x1e/0x30 [ 409.999126] RIP: 0033:0x45ddf3 [ 410.002327] Code: Bad RIP value. [ 410.005685] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 410.011038] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 410.018297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 410.025555] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 410.032822] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 410.040080] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 410.047366] warn_alloc_show_mem: 1 callbacks suppressed [ 410.047375] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 410.047377] Mem-Info: [ 410.047408] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 410.047408] active_file:12 inactive_file:13 isolated_file:0 [ 410.047408] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.047408] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 410.047408] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 410.047408] free:13705 free_pcp:178 free_cma:0 [ 410.052733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.052740] Call Trace: [ 410.060433] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.062827] dump_stack+0x244/0x39d [ 410.095671] Node 0 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 [ 410.105017] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.107578] lowmem_reserve[]: 0 2818 6321 6321 [ 410.135248] warn_alloc.cold.116+0xb7/0x1bd [ 410.138836] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 410.165225] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.170382] lowmem_reserve[]: 0 0 3503 3503 [ 410.174960] ? lock_downgrade+0x900/0x900 [ 410.179248] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 410.206736] ? trace_hardirqs_off+0xb8/0x310 [ 410.211543] lowmem_reserve[]: 0 0 0 0 [ 410.215857] ? trace_hardirqs_off+0xb8/0x310 [ 410.219973] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 410.249023] __alloc_pages_slowpath+0x26e8/0x2e10 [ 410.253397] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 410.257201] ? warn_alloc+0x120/0x120 [ 410.262286] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 410.275819] ? warn_alloc+0x120/0x120 [ 410.280647] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 410.295887] ? warn_alloc+0x120/0x120 [ 410.299679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 410.313875] ? print_usage_bug+0xc0/0xc0 [ 410.317642] 366 total pagecache pages [ 410.326464] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 410.330242] 0 pages in swap cache [ 410.338812] ? print_usage_bug+0xc0/0xc0 [ 410.342846] Swap cache stats: add 0, delete 0, find 0/0 [ 410.346629] ? print_usage_bug+0xc0/0xc0 [ 410.351614] Free swap = 0kB [ 410.355064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.359881] Total swap = 0kB [ 410.359889] 1965979 pages RAM [ 410.365322] ? should_fail+0x22d/0xd01 [ 410.369352] 0 pages HighMem/MovableOnly [ 410.372358] ? mark_held_locks+0x130/0x130 [ 410.377862] 342854 pages reserved [ 410.380866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.383939] 0 pages cma reserved [ 410.387812] ? __lock_acquire+0x62f/0x4c20 [ 410.391832] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 410.395976] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.399780] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.404513] ? __lock_acquire+0x62f/0x4c20 [ 410.404529] ? should_fail+0x22d/0xd01 [ 410.407988] syz-fuzzer cpuset=/ mems_allowed=0 [ 410.412204] ? print_usage_bug+0xc0/0xc0 [ 410.412227] ? mark_held_locks+0x130/0x130 [ 410.454931] ? mark_held_locks+0x130/0x130 [ 410.459472] ? zap_class+0x640/0x640 [ 410.463190] ? ret_from_fork+0x3a/0x50 [ 410.467074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.472604] ? check_preemption_disabled+0x48/0x280 [ 410.477618] ? __lock_is_held+0xb5/0x140 [ 410.481682] __alloc_pages_nodemask+0xa80/0xde0 [ 410.486348] ? zap_class+0x640/0x640 [ 410.490061] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 410.495079] ? find_held_lock+0x36/0x1c0 [ 410.499140] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.503799] ? lock_downgrade+0x900/0x900 [ 410.507951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.513484] cache_grow_begin+0xa5/0x8c0 [ 410.517535] ? do_raw_spin_unlock+0xa7/0x330 [ 410.521978] fallback_alloc+0x204/0x2e0 [ 410.525948] ____cache_alloc_node+0x1c7/0x1e0 [ 410.530523] kmem_cache_alloc_node+0xe3/0x730 [ 410.535014] ? mark_held_locks+0xc7/0x130 [ 410.539168] __alloc_skb+0x119/0x770 [ 410.542883] ? netdev_alloc_frag+0x1f0/0x1f0 [ 410.547287] ? do_raw_spin_trylock+0x270/0x270 [ 410.551859] ? kmem_cache_alloc_trace+0x353/0x750 [ 410.556693] ? queue_work_on+0x12c/0x1e0 [ 410.561017] ? switchdev_port_obj_del+0xdc/0x440 [ 410.565768] ? switchdev_trans_item_enqueue+0x260/0x260 [ 410.571125] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.576143] __br_mdb_notify+0x4ff/0x15d0 [ 410.580297] ? __br_mdb_add+0x7f0/0x7f0 [ 410.584275] ? zap_class+0x640/0x640 [ 410.587993] ? br_multicast_group_expired+0x96/0x610 [ 410.593088] ? lock_downgrade+0x900/0x900 [ 410.597237] br_mdb_notify+0x310/0x410 [ 410.601123] ? br_mdb_dump+0x27b0/0x27b0 [ 410.605180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.610715] br_multicast_group_expired+0x1bc/0x610 [ 410.615725] ? br_mdb_free+0x80/0x80 [ 410.619442] call_timer_fn+0x272/0x920 [ 410.623341] ? br_mdb_free+0x80/0x80 [ 410.627047] ? process_timeout+0x40/0x40 [ 410.631109] ? __run_timers+0x7da/0xc70 [ 410.635080] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.639571] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.644054] ? br_mdb_free+0x80/0x80 [ 410.647763] ? lockdep_hardirqs_on+0x296/0x5b0 [ 410.652339] ? trace_hardirqs_on+0xbd/0x310 [ 410.656651] ? kasan_check_read+0x11/0x20 [ 410.661124] ? __run_timers+0x7da/0xc70 [ 410.665092] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.670187] ? br_mdb_free+0x80/0x80 [ 410.673894] ? br_mdb_free+0x80/0x80 [ 410.677601] __run_timers+0x7e5/0xc70 [ 410.681400] ? timer_fixup_init+0x70/0x70 [ 410.685558] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.690046] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.694545] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 410.699147] ? trace_hardirqs_on+0xbd/0x310 [ 410.703456] ? kasan_check_read+0x11/0x20 [ 410.707595] ? finish_task_switch+0x1f4/0x910 [ 410.712084] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.717180] ? compat_start_thread+0x80/0x80 [ 410.721597] ? pvclock_read_flags+0x160/0x160 [ 410.726080] ? __switch_to_asm+0x34/0x70 [ 410.730135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.735665] ? check_preemption_disabled+0x48/0x280 [ 410.740681] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 410.746216] ? rcu_pm_notify+0xc0/0xc0 [ 410.750103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.755653] ? check_preemption_disabled+0x48/0x280 [ 410.760957] run_timer_softirq+0x52/0xb0 [ 410.765014] ? rcu_read_lock_sched_held+0x14f/0x180 [ 410.770026] __do_softirq+0x308/0xb7e [ 410.773822] ? trace_hardirqs_on_caller+0xc0/0x310 [ 410.778743] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 410.783838] ? trace_hardirqs_on+0x310/0x310 [ 410.788257] ? schedule+0x108/0x460 [ 410.791891] ? trace_hardirqs_off+0xb8/0x310 [ 410.796290] ? smpboot_thread_fn+0x68b/0xa00 [ 410.800688] ? trace_hardirqs_on+0x310/0x310 [ 410.805089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.810619] ? check_preemption_disabled+0x48/0x280 [ 410.815630] ? takeover_tasklets+0xa90/0xa90 [ 410.820031] run_ksoftirqd+0x5e/0x100 [ 410.823844] smpboot_thread_fn+0x68b/0xa00 [ 410.828075] ? sort_range+0x30/0x30 [ 410.831693] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 410.836791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.842318] ? __kthread_parkme+0xfb/0x1a0 [ 410.846557] ? sort_range+0x30/0x30 [ 410.850173] kthread+0x35a/0x440 [ 410.853539] ? kthread_stop+0x900/0x900 [ 410.857510] ret_from_fork+0x3a/0x50 [ 410.861547] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 410.861689] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.868468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.878752] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 410.888090] Call Trace: [ 410.895295] [ 410.897443] dump_stack+0x244/0x39d [ 410.901073] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.906266] warn_alloc.cold.116+0xb7/0x1bd [ 410.910579] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.915420] ? lock_downgrade+0x900/0x900 [ 410.919567] ? trace_hardirqs_off+0xb8/0x310 [ 410.923970] ? trace_hardirqs_off+0xb8/0x310 [ 410.928372] ? noop_count+0x40/0x40 [ 410.931999] __alloc_pages_slowpath+0x26e8/0x2e10 [ 410.936852] ? check_usage+0x1aa/0x790 [ 410.940736] ? warn_alloc+0x120/0x120 [ 410.944562] ? warn_alloc+0x120/0x120 [ 410.948365] ? __bfs+0xb0/0x780 [ 410.951640] ? print_bfs_bug+0x80/0x80 [ 410.955525] ? warn_alloc+0x120/0x120 [ 410.960272] ? print_usage_bug+0xc0/0xc0 [ 410.964418] ? mark_held_locks+0x130/0x130 [ 410.968653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.974182] ? should_fail+0x22d/0xd01 [ 410.978061] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 410.983942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.989077] ? __lock_acquire+0x62f/0x4c20 [ 410.993311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.998420] ? should_fail+0x22d/0xd01 [ 411.002306] ? mark_held_locks+0x130/0x130 [ 411.006535] ? mark_held_locks+0x130/0x130 [ 411.010762] ? zap_class+0x640/0x640 [ 411.014472] ? zap_class+0x640/0x640 [ 411.018185] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 411.024062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.029595] ? check_preemption_disabled+0x48/0x280 [ 411.034614] ? __lock_is_held+0xb5/0x140 [ 411.038672] __alloc_pages_nodemask+0xa80/0xde0 [ 411.043336] ? zap_class+0x640/0x640 [ 411.047049] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 411.052065] ? find_held_lock+0x36/0x1c0 [ 411.056122] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.061559] ? lock_downgrade+0x900/0x900 [ 411.065710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.071245] cache_grow_begin+0xa5/0x8c0 [ 411.075297] ? do_raw_spin_unlock+0xa7/0x330 [ 411.079704] fallback_alloc+0x204/0x2e0 [ 411.083678] ____cache_alloc_node+0x1c7/0x1e0 [ 411.088170] kmem_cache_alloc_node+0xe3/0x730 [ 411.092659] ? mark_held_locks+0xc7/0x130 [ 411.096835] __alloc_skb+0x119/0x770 [ 411.100550] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.104953] ? do_raw_spin_trylock+0x270/0x270 [ 411.109544] ? kmem_cache_alloc_trace+0x353/0x750 [ 411.114384] ? queue_work_on+0x12c/0x1e0 [ 411.118442] ? switchdev_port_obj_del+0xdc/0x440 [ 411.123194] ? switchdev_trans_item_enqueue+0x260/0x260 [ 411.128559] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 411.133578] __br_mdb_notify+0x4ff/0x15d0 [ 411.137718] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.142833] ? __br_mdb_add+0x7f0/0x7f0 [ 411.146807] ? mark_held_locks+0x130/0x130 [ 411.151045] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.156143] ? debug_object_assert_init+0x368/0x4b0 [ 411.161898] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.166996] ? debug_object_init_on_stack+0x20/0x20 [ 411.172006] ? zap_class+0x640/0x640 [ 411.175719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.181258] br_mdb_notify+0x310/0x410 [ 411.185144] ? br_mdb_dump+0x27b0/0x27b0 [ 411.189208] br_multicast_del_pg+0x3df/0x790 [ 411.193615] ? br_mdb_ip_get+0x940/0x940 [ 411.197669] ? rwlock_bug.part.2+0x90/0x90 [ 411.201900] ? __lock_is_held+0xb5/0x140 [ 411.205964] br_multicast_port_group_expired+0x189/0x1e0 [ 411.211408] call_timer_fn+0x272/0x920 [ 411.215289] ? br_multicast_del_pg+0x790/0x790 [ 411.219868] ? process_timeout+0x40/0x40 [ 411.223928] ? mark_held_locks+0xc7/0x130 [ 411.228067] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.232552] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.237056] ? br_multicast_del_pg+0x790/0x790 [ 411.241631] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.246205] ? trace_hardirqs_on+0xbd/0x310 [ 411.250531] ? kasan_check_read+0x11/0x20 [ 411.254668] ? __run_timers+0x7da/0xc70 [ 411.259058] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.264157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.268390] ? br_multicast_del_pg+0x790/0x790 [ 411.272962] __run_timers+0x7e5/0xc70 [ 411.276768] ? timer_fixup_init+0x70/0x70 [ 411.280914] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.285920] ? zap_class+0x640/0x640 [ 411.289633] ? print_usage_bug+0xc0/0xc0 [ 411.293688] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.298875] ? find_held_lock+0x36/0x1c0 [ 411.302933] ? zap_class+0x640/0x640 [ 411.306644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.312199] ? check_preemption_disabled+0x48/0x280 [ 411.317215] ? __lock_is_held+0xb5/0x140 [ 411.321268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.326799] ? check_preemption_disabled+0x48/0x280 [ 411.331812] run_timer_softirq+0x52/0xb0 [ 411.335870] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.340878] __do_softirq+0x308/0xb7e [ 411.344677] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 411.349166] ? lock_downgrade+0x900/0x900 [ 411.353315] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.358422] ? pvclock_read_flags+0x160/0x160 [ 411.363441] ? lapic_next_event+0x5a/0x90 [ 411.367583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.373119] ? kvm_clock_read+0x18/0x30 [ 411.377102] ? kvm_sched_clock_read+0x9/0x20 [ 411.381511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.387046] ? check_preemption_disabled+0x48/0x280 [ 411.392068] irq_exit+0x17f/0x1c0 [ 411.395517] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.400352] ? smp_reschedule_interrupt+0x109/0x650 [ 411.405363] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.411236] ? interrupt_entry+0xb5/0xc0 [ 411.415292] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.420302] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.425307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.430143] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.435152] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.440160] ? task_prio+0x50/0x50 [ 411.443695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.449226] ? check_preemption_disabled+0x48/0x280 [ 411.454239] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.459887] apic_timer_interrupt+0xf/0x20 [ 411.464112] [ 411.466349] RIP: 0010:dump_stack+0x358/0x39d [ 411.470769] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 411.489660] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 411.497357] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 411.504615] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 411.511890] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 411.519176] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 411.526432] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 411.533707] ? dump_stack+0x34f/0x39d [ 411.537523] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.542709] ? mark_held_locks+0x130/0x130 [ 411.546933] ? mark_held_locks+0x130/0x130 [ 411.551162] dump_header+0x27b/0xf72 [ 411.554878] ? pagefault_out_of_memory+0x197/0x197 [ 411.560100] ? __lock_acquire+0x62f/0x4c20 [ 411.564331] ? percpu_ref_get_many+0x240/0x240 [ 411.568910] ? print_usage_bug+0xc0/0xc0 [ 411.572971] ? zap_class+0x640/0x640 [ 411.576685] ? print_usage_bug+0xc0/0xc0 [ 411.580738] ? print_usage_bug+0xc0/0xc0 [ 411.584798] ? zap_class+0x640/0x640 [ 411.588512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.594048] ? find_held_lock+0x36/0x1c0 [ 411.598113] ? mark_held_locks+0xc7/0x130 [ 411.602255] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.607350] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.612446] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 411.617031] ? trace_hardirqs_on+0xbd/0x310 [ 411.621344] ? kasan_check_read+0x11/0x20 [ 411.625493] ? ___ratelimit+0x3b4/0x672 [ 411.629460] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.634574] ? trace_hardirqs_on+0x310/0x310 [ 411.638978] ? lock_downgrade+0x900/0x900 [ 411.643123] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.648235] ? ___ratelimit+0x3b9/0x672 [ 411.652206] ? idr_get_free+0xf70/0xf70 [ 411.656170] ? find_held_lock+0x36/0x1c0 [ 411.660793] oom_kill_process.cold.27+0x10/0x903 [ 411.665556] ? zap_class+0x640/0x640 [ 411.669267] ? check_preemption_disabled+0x48/0x280 [ 411.674274] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.679194] ? kasan_check_read+0x11/0x20 [ 411.683332] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.688617] ? oom_evaluate_task+0x540/0x540 [ 411.693017] ? find_held_lock+0x36/0x1c0 [ 411.697076] ? out_of_memory+0x974/0x1430 [ 411.701220] ? lock_downgrade+0x900/0x900 [ 411.705356] ? check_preemption_disabled+0x48/0x280 [ 411.710377] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.715300] ? kasan_check_read+0x11/0x20 [ 411.719436] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.724711] ? rcu_softirq_qs+0x20/0x20 [ 411.728681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.734206] ? oom_evaluate_task+0x302/0x540 [ 411.738609] out_of_memory+0xa84/0x1430 [ 411.742583] ? oom_killer_disable+0x3a0/0x3a0 [ 411.747086] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 411.752015] ? __ww_mutex_check_waiters+0x160/0x160 [ 411.757033] __alloc_pages_slowpath+0x2354/0x2e10 [ 411.762421] ? warn_alloc+0x120/0x120 [ 411.766212] ? mark_held_locks+0x130/0x130 [ 411.770440] ? find_get_entry+0xaae/0x1120 [ 411.774680] ? filemap_map_pages+0x1a20/0x1a20 [ 411.779262] ? zap_class+0x640/0x640 [ 411.782975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.788510] ? check_preemption_disabled+0x48/0x280 [ 411.793518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.799044] ? should_fail+0x22d/0xd01 [ 411.802925] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.808017] ? zap_class+0x640/0x640 [ 411.811765] ? __lock_is_held+0xb5/0x140 [ 411.815827] ? mark_held_locks+0x130/0x130 [ 411.820056] ? lock_release+0xa00/0xa00 [ 411.824026] ? perf_trace_sched_process_exec+0x860/0x860 [ 411.829479] ? xa_load+0x2ba/0x460 [ 411.833012] ? lock_downgrade+0x900/0x900 [ 411.837158] ? __might_sleep+0x95/0x190 [ 411.841126] __alloc_pages_nodemask+0xa80/0xde0 [ 411.845797] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 411.850818] ? __page_cache_alloc+0x191/0x5c0 [ 411.855304] ? xa_load+0x2e1/0x460 [ 411.859789] ? xa_clear_mark+0x40/0x40 [ 411.863675] ? zap_class+0x640/0x640 [ 411.867392] ? zap_class+0x640/0x640 [ 411.871099] ? zap_class+0x640/0x640 [ 411.874805] ? __do_page_cache_readahead+0x663/0x810 [ 411.879903] ? find_held_lock+0x36/0x1c0 [ 411.883981] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 411.889518] alloc_pages_current+0x173/0x350 [ 411.893924] __page_cache_alloc+0x38c/0x5c0 [ 411.898240] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.903159] ? kasan_check_read+0x11/0x20 [ 411.907542] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.912818] ? generic_perform_write+0x6a0/0x6a0 [ 411.917565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.923093] ? check_preemption_disabled+0x48/0x280 [ 411.928578] filemap_fault+0x1595/0x25f0 [ 411.932643] ? __lock_page_or_retry+0xa00/0xa00 [ 411.937304] ? mark_held_locks+0x130/0x130 [ 411.941539] ? filemap_map_pages+0xd6b/0x1a20 [ 411.946040] ? lock_downgrade+0x900/0x900 [ 411.950206] ? check_preemption_disabled+0x48/0x280 [ 411.955218] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.960808] ? kasan_check_read+0x11/0x20 [ 411.964955] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.970228] ? rcu_softirq_qs+0x20/0x20 [ 411.974211] ? filemap_map_pages+0xd92/0x1a20 [ 411.978710] ? find_get_entries_tag+0x1400/0x1400 [ 411.983556] ? debug_object_destroy+0x2b0/0x2b0 [ 411.988221] ? lock_pi_update_atomic+0x150/0x150 [ 411.992994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.998538] ? lock_acquire+0x1ed/0x520 [ 412.002507] ? ext4_filemap_fault+0x7a/0xad [ 412.006835] ? lock_release+0xa00/0xa00 [ 412.010817] ? perf_trace_sched_process_exec+0x860/0x860 [ 412.016260] ? print_usage_bug+0xc0/0xc0 [ 412.020334] ? print_usage_bug+0xc0/0xc0 [ 412.024401] ? down_read+0x8d/0x120 [ 412.028017] ? ext4_filemap_fault+0x7a/0xad [ 412.032336] ? __down_interruptible+0x700/0x700 [ 412.037008] ext4_filemap_fault+0x82/0xad [ 412.041168] __do_fault+0x100/0x6b0 [ 412.044794] ? pmd_devmap_trans_unstable+0x220/0x220 [ 412.049892] ? mark_held_locks+0x130/0x130 [ 412.054119] ? mark_held_locks+0x130/0x130 [ 412.058347] ? do_raw_spin_trylock+0x270/0x270 [ 412.063266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.068799] __handle_mm_fault+0x3ea0/0x5be0 [ 412.073201] ? perf_trace_lock+0x7a0/0x7a0 [ 412.077439] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 412.082288] ? __switch_to_asm+0x34/0x70 [ 412.086339] ? __switch_to_asm+0x34/0x70 [ 412.090405] ? zap_class+0x640/0x640 [ 412.094111] ? zap_class+0x640/0x640 [ 412.097821] ? __x64_sys_futex+0x53e/0x6a0 [ 412.102053] ? find_held_lock+0x36/0x1c0 [ 412.106113] ? handle_mm_fault+0x42a/0xc70 [ 412.110337] ? lock_downgrade+0x900/0x900 [ 412.114476] ? check_preemption_disabled+0x48/0x280 [ 412.119490] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.124413] ? kasan_check_read+0x11/0x20 [ 412.128566] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.133934] ? rcu_softirq_qs+0x20/0x20 [ 412.137901] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.142992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.148519] ? check_preemption_disabled+0x48/0x280 [ 412.153533] handle_mm_fault+0x54f/0xc70 [ 412.157586] ? __handle_mm_fault+0x5be0/0x5be0 [ 412.162968] ? find_vma+0x34/0x190 [ 412.166504] __do_page_fault+0x5e8/0xe60 [ 412.170571] ? trace_hardirqs_off+0xb8/0x310 [ 412.174984] do_page_fault+0xf2/0x7e0 [ 412.178796] ? vmalloc_sync_all+0x30/0x30 [ 412.182949] ? error_entry+0x70/0xd0 [ 412.186663] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.191674] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.196599] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.201525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.206361] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.211372] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.216822] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.221831] ? page_fault+0x8/0x30 [ 412.225367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.230205] ? page_fault+0x8/0x30 [ 412.233738] page_fault+0x1e/0x30 [ 412.237181] RIP: 0033:0x45ddf3 [ 412.240375] Code: Bad RIP value. [ 412.243729] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 412.249091] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 412.256349] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 412.264438] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 412.271699] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 412.278961] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 412.286340] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 412.286356] warn_alloc_show_mem: 1 callbacks suppressed [ 412.286360] Mem-Info: [ 412.293087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.298448] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 412.298448] active_file:12 inactive_file:13 isolated_file:0 [ 412.298448] unevictable:0 dirty:0 writeback:0 unstable:0 [ 412.298448] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 412.298448] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 412.298448] free:13705 free_pcp:178 free_cma:0 [ 412.300817] Call Trace: [ 412.310185] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 412.343040] dump_stack+0x244/0x39d [ 412.345593] Node 0 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 [ 412.373531] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.377128] lowmem_reserve[]: 0 2818 6321 6321 [ 412.403230] warn_alloc.cold.116+0xb7/0x1bd [ 412.408381] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 412.412948] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.417241] lowmem_reserve[]: 0 0 3503 3503 [ 412.444721] ? lock_downgrade+0x900/0x900 [ 412.449532] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 412.453842] ? trace_hardirqs_off+0xb8/0x310 [ 412.457955] lowmem_reserve[]: 0 0 0 0 [ 412.487203] ? trace_hardirqs_off+0xb8/0x310 [ 412.491577] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 412.495370] __alloc_pages_slowpath+0x26e8/0x2e10 [ 412.499739] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 412.513281] ? warn_alloc+0x120/0x120 [ 412.518060] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 412.533305] ? warn_alloc+0x120/0x120 [ 412.537078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 412.551278] ? warn_alloc+0x120/0x120 [ 412.555064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 412.564185] ? print_usage_bug+0xc0/0xc0 [ 412.567954] 366 total pagecache pages [ 412.576516] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 412.580555] 0 pages in swap cache [ 412.584331] ? print_usage_bug+0xc0/0xc0 [ 412.589320] Swap cache stats: add 0, delete 0, find 0/0 [ 412.592756] ? print_usage_bug+0xc0/0xc0 [ 412.596790] Free swap = 0kB [ 412.602145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.606172] Total swap = 0kB [ 412.609177] ? should_fail+0x22d/0xd01 [ 412.614681] 1965979 pages RAM [ 412.617681] ? mark_held_locks+0x130/0x130 [ 412.621542] 0 pages HighMem/MovableOnly [ 412.624629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.628829] 342854 pages reserved [ 412.632787] ? __lock_acquire+0x62f/0x4c20 [ 412.637859] 0 pages cma reserved [ 412.641299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.646181] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.648858] ? __lock_acquire+0x62f/0x4c20 [ 412.648873] ? should_fail+0x22d/0xd01 [ 412.653950] syz-fuzzer cpuset=/ mems_allowed=0 [ 412.664460] ? print_usage_bug+0xc0/0xc0 [ 412.664484] ? mark_held_locks+0x130/0x130 [ 412.685469] ? mark_held_locks+0x130/0x130 [ 412.689718] ? zap_class+0x640/0x640 [ 412.693433] ? ret_from_fork+0x3a/0x50 [ 412.697316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.702867] ? check_preemption_disabled+0x48/0x280 [ 412.707885] ? __lock_is_held+0xb5/0x140 [ 412.711947] __alloc_pages_nodemask+0xa80/0xde0 [ 412.716613] ? zap_class+0x640/0x640 [ 412.720325] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 412.725369] ? find_held_lock+0x36/0x1c0 [ 412.729442] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.734107] ? lock_downgrade+0x900/0x900 [ 412.738257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.743795] cache_grow_begin+0xa5/0x8c0 [ 412.747848] ? do_raw_spin_unlock+0xa7/0x330 [ 412.752259] fallback_alloc+0x204/0x2e0 [ 412.756234] ____cache_alloc_node+0x1c7/0x1e0 [ 412.761068] kmem_cache_alloc_node+0xe3/0x730 [ 412.765555] ? mark_held_locks+0xc7/0x130 [ 412.769705] __alloc_skb+0x119/0x770 [ 412.773436] ? netdev_alloc_frag+0x1f0/0x1f0 [ 412.777837] ? do_raw_spin_trylock+0x270/0x270 [ 412.782425] ? kmem_cache_alloc_trace+0x353/0x750 [ 412.787268] ? queue_work_on+0x12c/0x1e0 [ 412.791330] ? switchdev_port_obj_del+0xdc/0x440 [ 412.796084] ? switchdev_trans_item_enqueue+0x260/0x260 [ 412.801468] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.806500] __br_mdb_notify+0x4ff/0x15d0 [ 412.810658] ? __br_mdb_add+0x7f0/0x7f0 [ 412.814631] ? zap_class+0x640/0x640 [ 412.818348] ? br_multicast_group_expired+0x96/0x610 [ 412.823446] ? lock_downgrade+0x900/0x900 [ 412.827593] br_mdb_notify+0x310/0x410 [ 412.831474] ? br_mdb_dump+0x27b0/0x27b0 [ 412.835532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.841068] br_multicast_group_expired+0x1bc/0x610 [ 412.846084] ? br_mdb_free+0x80/0x80 [ 412.849805] call_timer_fn+0x272/0x920 [ 412.853683] ? br_mdb_free+0x80/0x80 [ 412.857386] ? process_timeout+0x40/0x40 [ 412.861736] ? __run_timers+0x7da/0xc70 [ 412.865705] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.870193] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.874683] ? br_mdb_free+0x80/0x80 [ 412.878388] ? lockdep_hardirqs_on+0x296/0x5b0 [ 412.882975] ? trace_hardirqs_on+0xbd/0x310 [ 412.887307] ? kasan_check_read+0x11/0x20 [ 412.891442] ? __run_timers+0x7da/0xc70 [ 412.895425] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.900528] ? br_mdb_free+0x80/0x80 [ 412.904240] ? br_mdb_free+0x80/0x80 [ 412.907943] __run_timers+0x7e5/0xc70 [ 412.911744] ? timer_fixup_init+0x70/0x70 [ 412.915883] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.920366] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.924858] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 412.929439] ? trace_hardirqs_on+0xbd/0x310 [ 412.933752] ? kasan_check_read+0x11/0x20 [ 412.937907] ? finish_task_switch+0x1f4/0x910 [ 412.942413] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.947509] ? compat_start_thread+0x80/0x80 [ 412.951925] ? pvclock_read_flags+0x160/0x160 [ 412.956416] ? __switch_to_asm+0x34/0x70 [ 412.960804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.966339] ? check_preemption_disabled+0x48/0x280 [ 412.971359] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 412.976893] ? rcu_pm_notify+0xc0/0xc0 [ 412.980771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.986298] ? check_preemption_disabled+0x48/0x280 [ 412.991310] run_timer_softirq+0x52/0xb0 [ 412.995362] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.000389] __do_softirq+0x308/0xb7e [ 413.004188] ? trace_hardirqs_on_caller+0xc0/0x310 [ 413.009110] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.014203] ? trace_hardirqs_on+0x310/0x310 [ 413.018609] ? schedule+0x108/0x460 [ 413.022241] ? trace_hardirqs_off+0xb8/0x310 [ 413.026641] ? smpboot_thread_fn+0x68b/0xa00 [ 413.031043] ? trace_hardirqs_on+0x310/0x310 [ 413.035449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.040981] ? check_preemption_disabled+0x48/0x280 [ 413.045999] ? takeover_tasklets+0xa90/0xa90 [ 413.050412] run_ksoftirqd+0x5e/0x100 [ 413.054205] smpboot_thread_fn+0x68b/0xa00 [ 413.058449] ? sort_range+0x30/0x30 [ 413.062338] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 413.067433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.072961] ? __kthread_parkme+0xfb/0x1a0 [ 413.077192] ? sort_range+0x30/0x30 [ 413.080902] kthread+0x35a/0x440 [ 413.084264] ? kthread_stop+0x900/0x900 [ 413.088237] ret_from_fork+0x3a/0x50 [ 413.091995] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 413.092126] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.098921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.109203] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 413.118546] Call Trace: [ 413.125759] [ 413.127914] dump_stack+0x244/0x39d [ 413.131537] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.136732] warn_alloc.cold.116+0xb7/0x1bd [ 413.141049] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.145910] ? lock_downgrade+0x900/0x900 [ 413.150063] ? trace_hardirqs_off+0xb8/0x310 [ 413.154473] ? trace_hardirqs_off+0xb8/0x310 [ 413.159690] __alloc_pages_slowpath+0x26e8/0x2e10 [ 413.164557] ? warn_alloc+0x120/0x120 [ 413.168355] ? warn_alloc+0x120/0x120 [ 413.172155] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.177169] ? warn_alloc+0x120/0x120 [ 413.180964] ? print_usage_bug+0xc0/0xc0 [ 413.185023] ? print_usage_bug+0xc0/0xc0 [ 413.189079] ? check_usage+0x1aa/0x790 [ 413.192962] ? check_usage+0x1aa/0x790 [ 413.196860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.202511] ? should_fail+0x22d/0xd01 [ 413.206400] ? check_usage_forwards+0x3d0/0x3d0 [ 413.211066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.216249] ? __lock_acquire+0x62f/0x4c20 [ 413.220479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.225577] ? should_fail+0x22d/0xd01 [ 413.229466] ? mark_held_locks+0x130/0x130 [ 413.233697] ? mark_held_locks+0x130/0x130 [ 413.237922] ? print_usage_bug+0xc0/0xc0 [ 413.241980] ? find_held_lock+0x36/0x1c0 [ 413.246034] ? zap_class+0x640/0x640 [ 413.249749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.255283] ? check_preemption_disabled+0x48/0x280 [ 413.260599] ? __lock_is_held+0xb5/0x140 [ 413.264662] __alloc_pages_nodemask+0xa80/0xde0 [ 413.269339] ? zap_class+0x640/0x640 [ 413.273054] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 413.278078] ? find_held_lock+0x36/0x1c0 [ 413.282152] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.286814] ? lock_downgrade+0x900/0x900 [ 413.290960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.296493] cache_grow_begin+0xa5/0x8c0 [ 413.300545] ? do_raw_spin_unlock+0xa7/0x330 [ 413.304978] fallback_alloc+0x204/0x2e0 [ 413.308970] ____cache_alloc_node+0x1c7/0x1e0 [ 413.313467] kmem_cache_alloc_node+0xe3/0x730 [ 413.317953] ? mark_held_locks+0xc7/0x130 [ 413.322114] __alloc_skb+0x119/0x770 [ 413.325826] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.330230] ? do_raw_spin_trylock+0x270/0x270 [ 413.334804] ? kmem_cache_alloc_trace+0x353/0x750 [ 413.339641] ? queue_work_on+0x12c/0x1e0 [ 413.343707] ? switchdev_port_obj_del+0xdc/0x440 [ 413.348457] ? switchdev_trans_item_enqueue+0x260/0x260 [ 413.353814] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.359594] __br_mdb_notify+0x4ff/0x15d0 [ 413.363735] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 413.368840] ? __br_mdb_add+0x7f0/0x7f0 [ 413.372811] ? mark_held_locks+0x130/0x130 [ 413.377038] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 413.382138] ? debug_object_assert_init+0x368/0x4b0 [ 413.387148] ? debug_object_init_on_stack+0x20/0x20 [ 413.392155] ? zap_class+0x640/0x640 [ 413.395869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.401412] br_mdb_notify+0x310/0x410 [ 413.405298] ? br_mdb_dump+0x27b0/0x27b0 [ 413.409372] br_multicast_del_pg+0x3df/0x790 [ 413.413780] ? br_mdb_ip_get+0x940/0x940 [ 413.417834] ? rwlock_bug.part.2+0x90/0x90 [ 413.422082] ? __lock_is_held+0xb5/0x140 [ 413.426148] br_multicast_port_group_expired+0x189/0x1e0 [ 413.431596] call_timer_fn+0x272/0x920 [ 413.435475] ? br_multicast_del_pg+0x790/0x790 [ 413.440054] ? process_timeout+0x40/0x40 [ 413.444118] ? mark_held_locks+0xc7/0x130 [ 413.448262] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.452746] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.457232] ? br_multicast_del_pg+0x790/0x790 [ 413.462619] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.467192] ? trace_hardirqs_on+0xbd/0x310 [ 413.471507] ? kasan_check_read+0x11/0x20 [ 413.475648] ? __run_timers+0x7da/0xc70 [ 413.479614] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.484726] ? br_multicast_del_pg+0x790/0x790 [ 413.489307] ? br_multicast_del_pg+0x790/0x790 [ 413.493883] __run_timers+0x7e5/0xc70 [ 413.497706] ? timer_fixup_init+0x70/0x70 [ 413.501862] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.506881] ? zap_class+0x640/0x640 [ 413.510591] ? print_usage_bug+0xc0/0xc0 [ 413.514647] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.519845] ? find_held_lock+0x36/0x1c0 [ 413.524017] ? zap_class+0x640/0x640 [ 413.527725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.533258] ? check_preemption_disabled+0x48/0x280 [ 413.538277] ? __lock_is_held+0xb5/0x140 [ 413.542332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.547869] ? check_preemption_disabled+0x48/0x280 [ 413.552881] run_timer_softirq+0x52/0xb0 [ 413.556936] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.562390] __do_softirq+0x308/0xb7e [ 413.566190] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 413.570677] ? lock_downgrade+0x900/0x900 [ 413.574819] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.579923] ? pvclock_read_flags+0x160/0x160 [ 413.584413] ? lapic_next_event+0x5a/0x90 [ 413.588552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.594085] ? kvm_clock_read+0x18/0x30 [ 413.598050] ? kvm_sched_clock_read+0x9/0x20 [ 413.602453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.607995] ? check_preemption_disabled+0x48/0x280 [ 413.613016] irq_exit+0x17f/0x1c0 [ 413.616462] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.621297] ? smp_reschedule_interrupt+0x109/0x650 [ 413.626308] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.632187] ? interrupt_entry+0xb5/0xc0 [ 413.636329] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.641352] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.646373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.651213] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.656240] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.662256] ? task_prio+0x50/0x50 [ 413.665792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.671326] ? check_preemption_disabled+0x48/0x280 [ 413.676356] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.681197] apic_timer_interrupt+0xf/0x20 [ 413.685428] [ 413.687662] RIP: 0010:dump_stack+0x358/0x39d [ 413.692061] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 413.710954] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 413.718652] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 413.725912] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 413.733169] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 413.740426] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 413.747682] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 413.754959] ? dump_stack+0x34f/0x39d [ 413.759750] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.765182] ? mark_held_locks+0x130/0x130 [ 413.769412] ? mark_held_locks+0x130/0x130 [ 413.773659] dump_header+0x27b/0xf72 [ 413.777376] ? pagefault_out_of_memory+0x197/0x197 [ 413.782325] ? __lock_acquire+0x62f/0x4c20 [ 413.786568] ? percpu_ref_get_many+0x240/0x240 [ 413.791147] ? print_usage_bug+0xc0/0xc0 [ 413.795206] ? zap_class+0x640/0x640 [ 413.798934] ? print_usage_bug+0xc0/0xc0 [ 413.802986] ? print_usage_bug+0xc0/0xc0 [ 413.807046] ? zap_class+0x640/0x640 [ 413.810758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.816293] ? find_held_lock+0x36/0x1c0 [ 413.820366] ? mark_held_locks+0xc7/0x130 [ 413.824517] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 413.829610] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 413.834722] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 413.839300] ? trace_hardirqs_on+0xbd/0x310 [ 413.843625] ? kasan_check_read+0x11/0x20 [ 413.847769] ? ___ratelimit+0x3b4/0x672 [ 413.851738] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.856840] ? trace_hardirqs_on+0x310/0x310 [ 413.862155] ? lock_downgrade+0x900/0x900 [ 413.866296] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 413.871396] ? ___ratelimit+0x3b9/0x672 [ 413.875365] ? idr_get_free+0xf70/0xf70 [ 413.879342] ? find_held_lock+0x36/0x1c0 [ 413.883404] oom_kill_process.cold.27+0x10/0x903 [ 413.888152] ? zap_class+0x640/0x640 [ 413.891863] ? check_preemption_disabled+0x48/0x280 [ 413.896872] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 413.901813] ? kasan_check_read+0x11/0x20 [ 413.905957] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.911225] ? oom_evaluate_task+0x540/0x540 [ 413.915624] ? find_held_lock+0x36/0x1c0 [ 413.919682] ? out_of_memory+0x974/0x1430 [ 413.923820] ? lock_downgrade+0x900/0x900 [ 413.928426] ? check_preemption_disabled+0x48/0x280 [ 413.933440] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 413.938364] ? kasan_check_read+0x11/0x20 [ 413.942502] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.947764] ? rcu_softirq_qs+0x20/0x20 [ 413.951734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.957262] ? oom_evaluate_task+0x302/0x540 [ 413.962121] out_of_memory+0xa84/0x1430 [ 413.966111] ? oom_killer_disable+0x3a0/0x3a0 [ 413.970620] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 413.975543] ? __ww_mutex_check_waiters+0x160/0x160 [ 413.980567] __alloc_pages_slowpath+0x2354/0x2e10 [ 413.985452] ? warn_alloc+0x120/0x120 [ 413.989244] ? mark_held_locks+0x130/0x130 [ 413.993474] ? find_get_entry+0xaae/0x1120 [ 413.997713] ? filemap_map_pages+0x1a20/0x1a20 [ 414.002301] ? zap_class+0x640/0x640 [ 414.006017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.011551] ? check_preemption_disabled+0x48/0x280 [ 414.016569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.022094] ? should_fail+0x22d/0xd01 [ 414.025980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.031077] ? zap_class+0x640/0x640 [ 414.034810] ? __lock_is_held+0xb5/0x140 [ 414.038889] ? mark_held_locks+0x130/0x130 [ 414.043127] ? lock_release+0xa00/0xa00 [ 414.047113] ? perf_trace_sched_process_exec+0x860/0x860 [ 414.052550] ? xa_load+0x2ba/0x460 [ 414.056075] ? lock_downgrade+0x900/0x900 [ 414.061021] ? __might_sleep+0x95/0x190 [ 414.064999] __alloc_pages_nodemask+0xa80/0xde0 [ 414.069667] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 414.074677] ? __page_cache_alloc+0x191/0x5c0 [ 414.079162] ? xa_load+0x2e1/0x460 [ 414.082694] ? xa_clear_mark+0x40/0x40 [ 414.086579] ? zap_class+0x640/0x640 [ 414.090297] ? zap_class+0x640/0x640 [ 414.094008] ? zap_class+0x640/0x640 [ 414.097715] ? __do_page_cache_readahead+0x663/0x810 [ 414.102817] ? find_held_lock+0x36/0x1c0 [ 414.106877] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 414.112410] alloc_pages_current+0x173/0x350 [ 414.116816] __page_cache_alloc+0x38c/0x5c0 [ 414.121133] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.126054] ? kasan_check_read+0x11/0x20 [ 414.130194] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.135466] ? generic_perform_write+0x6a0/0x6a0 [ 414.140234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.145770] ? check_preemption_disabled+0x48/0x280 [ 414.150786] filemap_fault+0x1595/0x25f0 [ 414.154852] ? __lock_page_or_retry+0xa00/0xa00 [ 414.160009] ? mark_held_locks+0x130/0x130 [ 414.164246] ? filemap_map_pages+0xd6b/0x1a20 [ 414.168736] ? lock_downgrade+0x900/0x900 [ 414.172880] ? check_preemption_disabled+0x48/0x280 [ 414.177892] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.182815] ? kasan_check_read+0x11/0x20 [ 414.186991] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.192259] ? rcu_softirq_qs+0x20/0x20 [ 414.196237] ? filemap_map_pages+0xd92/0x1a20 [ 414.200739] ? find_get_entries_tag+0x1400/0x1400 [ 414.205582] ? debug_object_destroy+0x2b0/0x2b0 [ 414.210258] ? lock_pi_update_atomic+0x150/0x150 [ 414.215031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.220584] ? lock_acquire+0x1ed/0x520 [ 414.224552] ? ext4_filemap_fault+0x7a/0xad [ 414.228868] ? lock_release+0xa00/0xa00 [ 414.232837] ? perf_trace_sched_process_exec+0x860/0x860 [ 414.238285] ? print_usage_bug+0xc0/0xc0 [ 414.242350] ? print_usage_bug+0xc0/0xc0 [ 414.246419] ? down_read+0x8d/0x120 [ 414.250037] ? ext4_filemap_fault+0x7a/0xad [ 414.254356] ? __down_interruptible+0x700/0x700 [ 414.259799] ext4_filemap_fault+0x82/0xad [ 414.263945] __do_fault+0x100/0x6b0 [ 414.267571] ? pmd_devmap_trans_unstable+0x220/0x220 [ 414.272672] ? mark_held_locks+0x130/0x130 [ 414.276912] ? mark_held_locks+0x130/0x130 [ 414.281157] ? do_raw_spin_trylock+0x270/0x270 [ 414.285741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.291275] __handle_mm_fault+0x3ea0/0x5be0 [ 414.295687] ? perf_trace_lock+0x7a0/0x7a0 [ 414.299925] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 414.304771] ? __switch_to_asm+0x34/0x70 [ 414.308839] ? __switch_to_asm+0x34/0x70 [ 414.312902] ? zap_class+0x640/0x640 [ 414.316609] ? zap_class+0x640/0x640 [ 414.320319] ? __x64_sys_futex+0x53e/0x6a0 [ 414.324553] ? find_held_lock+0x36/0x1c0 [ 414.328628] ? handle_mm_fault+0x42a/0xc70 [ 414.332859] ? lock_downgrade+0x900/0x900 [ 414.336999] ? check_preemption_disabled+0x48/0x280 [ 414.342012] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.346933] ? kasan_check_read+0x11/0x20 [ 414.351071] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.356343] ? rcu_softirq_qs+0x20/0x20 [ 414.361077] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.366178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.371717] ? check_preemption_disabled+0x48/0x280 [ 414.376733] handle_mm_fault+0x54f/0xc70 [ 414.380791] ? __handle_mm_fault+0x5be0/0x5be0 [ 414.385381] ? find_vma+0x34/0x190 [ 414.388917] __do_page_fault+0x5e8/0xe60 [ 414.392972] ? trace_hardirqs_off+0xb8/0x310 [ 414.397385] do_page_fault+0xf2/0x7e0 [ 414.401182] ? vmalloc_sync_all+0x30/0x30 [ 414.405323] ? error_entry+0x70/0xd0 [ 414.409034] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.414042] ? trace_hardirqs_on_caller+0xc0/0x310 [ 414.418962] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.423886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.428720] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.433726] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.439172] ? prepare_exit_to_usermode+0x291/0x3b0 [ 414.444179] ? page_fault+0x8/0x30 [ 414.447731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.452567] ? page_fault+0x8/0x30 [ 414.456098] page_fault+0x1e/0x30 [ 414.459814] RIP: 0033:0x45ddf3 [ 414.463015] Code: Bad RIP value. [ 414.466371] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 414.471724] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 414.478982] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 414.486243] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 414.493504] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 414.500760] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 414.508035] warn_alloc_show_mem: 1 callbacks suppressed [ 414.508044] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 414.508045] Mem-Info: [ 414.508072] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 414.508072] active_file:12 inactive_file:13 isolated_file:0 [ 414.508072] unevictable:0 dirty:0 writeback:0 unstable:0 [ 414.508072] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 414.508072] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 414.508072] free:13705 free_pcp:178 free_cma:0 [ 414.513399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.513405] Call Trace: [ 414.520173] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 414.522573] dump_stack+0x244/0x39d [ 414.555517] Node 0 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 [ 414.565191] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.567745] lowmem_reserve[]: 0 2818 6321 6321 [ 414.595414] warn_alloc.cold.116+0xb7/0x1bd [ 414.599005] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 414.625102] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.630261] lowmem_reserve[]: 0 0 3503 3503 [ 414.634835] ? lock_downgrade+0x900/0x900 [ 414.639123] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 414.666938] ? trace_hardirqs_off+0xb8/0x310 [ 414.671746] lowmem_reserve[]: 0 0 0 0 [ 414.676055] ? trace_hardirqs_off+0xb8/0x310 [ 414.680171] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 414.709136] __alloc_pages_slowpath+0x26e8/0x2e10 [ 414.713501] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 414.717331] ? warn_alloc+0x120/0x120 [ 414.721687] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 414.735296] ? warn_alloc+0x120/0x120 [ 414.740109] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 414.755348] ? warn_alloc+0x120/0x120 [ 414.759925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 414.774123] ? print_usage_bug+0xc0/0xc0 [ 414.777890] 366 total pagecache pages [ 414.786710] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 414.790491] 0 pages in swap cache [ 414.799045] ? print_usage_bug+0xc0/0xc0 [ 414.803077] Swap cache stats: add 0, delete 0, find 0/0 [ 414.806857] ? print_usage_bug+0xc0/0xc0 [ 414.811843] Free swap = 0kB [ 414.815292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.819313] Total swap = 0kB [ 414.824660] ? should_fail+0x22d/0xd01 [ 414.828688] 1965979 pages RAM [ 414.831691] ? mark_held_locks+0x130/0x130 [ 414.837201] 0 pages HighMem/MovableOnly [ 414.840205] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.844057] 342854 pages reserved [ 414.844063] 0 pages cma reserved [ 414.847150] ? __lock_acquire+0x62f/0x4c20 [ 414.851530] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.855337] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.861393] syz-fuzzer cpuset=/ mems_allowed=0 [ 414.864830] ? __lock_acquire+0x62f/0x4c20 [ 414.864845] ? should_fail+0x22d/0xd01 [ 414.900331] ? print_usage_bug+0xc0/0xc0 [ 414.904390] ? mark_held_locks+0x130/0x130 [ 414.908624] ? mark_held_locks+0x130/0x130 [ 414.912857] ? zap_class+0x640/0x640 [ 414.916563] ? ret_from_fork+0x3a/0x50 [ 414.920448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.925983] ? check_preemption_disabled+0x48/0x280 [ 414.931001] ? __lock_is_held+0xb5/0x140 [ 414.935058] __alloc_pages_nodemask+0xa80/0xde0 [ 414.939718] ? zap_class+0x640/0x640 [ 414.943465] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 414.948485] ? find_held_lock+0x36/0x1c0 [ 414.952548] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.957213] ? lock_downgrade+0x900/0x900 [ 414.961721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.967249] cache_grow_begin+0xa5/0x8c0 [ 414.971312] ? do_raw_spin_unlock+0xa7/0x330 [ 414.975718] fallback_alloc+0x204/0x2e0 [ 414.979692] ____cache_alloc_node+0x1c7/0x1e0 [ 414.984186] kmem_cache_alloc_node+0xe3/0x730 [ 414.988674] ? mark_held_locks+0xc7/0x130 [ 414.992835] __alloc_skb+0x119/0x770 [ 414.996544] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.000942] ? do_raw_spin_trylock+0x270/0x270 [ 415.005519] ? kmem_cache_alloc_trace+0x353/0x750 [ 415.010356] ? queue_work_on+0x12c/0x1e0 [ 415.014418] ? switchdev_port_obj_del+0xdc/0x440 [ 415.019169] ? switchdev_trans_item_enqueue+0x260/0x260 [ 415.024528] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.029547] __br_mdb_notify+0x4ff/0x15d0 [ 415.033699] ? __br_mdb_add+0x7f0/0x7f0 [ 415.037674] ? zap_class+0x640/0x640 [ 415.041389] ? br_multicast_group_expired+0x96/0x610 [ 415.046484] ? lock_downgrade+0x900/0x900 [ 415.050633] br_mdb_notify+0x310/0x410 [ 415.054511] ? br_mdb_dump+0x27b0/0x27b0 [ 415.058816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.064365] br_multicast_group_expired+0x1bc/0x610 [ 415.069398] ? br_mdb_free+0x80/0x80 [ 415.073118] call_timer_fn+0x272/0x920 [ 415.077000] ? br_mdb_free+0x80/0x80 [ 415.080706] ? process_timeout+0x40/0x40 [ 415.084765] ? __run_timers+0x7da/0xc70 [ 415.088731] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.093218] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.097716] ? br_mdb_free+0x80/0x80 [ 415.101422] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.105996] ? trace_hardirqs_on+0xbd/0x310 [ 415.110310] ? kasan_check_read+0x11/0x20 [ 415.114459] ? __run_timers+0x7da/0xc70 [ 415.118426] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.123536] ? br_mdb_free+0x80/0x80 [ 415.127255] ? br_mdb_free+0x80/0x80 [ 415.130967] __run_timers+0x7e5/0xc70 [ 415.134767] ? timer_fixup_init+0x70/0x70 [ 415.138905] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.143389] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.147879] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 415.152450] ? trace_hardirqs_on+0xbd/0x310 [ 415.156757] ? kasan_check_read+0x11/0x20 [ 415.161237] ? finish_task_switch+0x1f4/0x910 [ 415.165741] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.170836] ? compat_start_thread+0x80/0x80 [ 415.175269] ? pvclock_read_flags+0x160/0x160 [ 415.179751] ? __switch_to_asm+0x34/0x70 [ 415.183806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.189334] ? check_preemption_disabled+0x48/0x280 [ 415.194349] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 415.199876] ? rcu_pm_notify+0xc0/0xc0 [ 415.203757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.209286] ? check_preemption_disabled+0x48/0x280 [ 415.214303] run_timer_softirq+0x52/0xb0 [ 415.218356] ? rcu_read_lock_sched_held+0x14f/0x180 [ 415.223367] __do_softirq+0x308/0xb7e [ 415.227167] ? trace_hardirqs_on_caller+0xc0/0x310 [ 415.232093] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 415.237190] ? trace_hardirqs_on+0x310/0x310 [ 415.241597] ? schedule+0x108/0x460 [ 415.245230] ? trace_hardirqs_off+0xb8/0x310 [ 415.249666] ? smpboot_thread_fn+0x68b/0xa00 [ 415.254063] ? trace_hardirqs_on+0x310/0x310 [ 415.258797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.264322] ? check_preemption_disabled+0x48/0x280 [ 415.269330] ? takeover_tasklets+0xa90/0xa90 [ 415.273732] run_ksoftirqd+0x5e/0x100 [ 415.277519] smpboot_thread_fn+0x68b/0xa00 [ 415.281751] ? sort_range+0x30/0x30 [ 415.285371] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.290473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.296024] ? __kthread_parkme+0xfb/0x1a0 [ 415.300265] ? sort_range+0x30/0x30 [ 415.303881] kthread+0x35a/0x440 [ 415.307265] ? kthread_stop+0x900/0x900 [ 415.311226] ret_from_fork+0x3a/0x50 [ 415.314961] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 415.315134] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.321878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.321885] Call Trace: [ 415.332173] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 415.341511] [ 415.350859] dump_stack+0x244/0x39d [ 415.354483] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.360423] warn_alloc.cold.116+0xb7/0x1bd [ 415.364740] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.369584] ? lock_downgrade+0x900/0x900 [ 415.373730] ? trace_hardirqs_off+0xb8/0x310 [ 415.378158] ? trace_hardirqs_off+0xb8/0x310 [ 415.382569] __alloc_pages_slowpath+0x26e8/0x2e10 [ 415.387430] ? warn_alloc+0x120/0x120 [ 415.391232] ? warn_alloc+0x120/0x120 [ 415.395029] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.400041] ? warn_alloc+0x120/0x120 [ 415.403836] ? print_usage_bug+0xc0/0xc0 [ 415.407891] ? print_usage_bug+0xc0/0xc0 [ 415.411944] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.417133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.422665] ? should_fail+0x22d/0xd01 [ 415.426547] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.431645] ? __lock_acquire+0x62f/0x4c20 [ 415.435891] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.440988] ? should_fail+0x22d/0xd01 [ 415.444874] ? mark_held_locks+0x130/0x130 [ 415.449106] ? mark_held_locks+0x130/0x130 [ 415.453327] ? print_usage_bug+0xc0/0xc0 [ 415.457378] ? find_held_lock+0x36/0x1c0 [ 415.462400] ? zap_class+0x640/0x640 [ 415.466111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.471648] ? check_preemption_disabled+0x48/0x280 [ 415.476668] ? __lock_is_held+0xb5/0x140 [ 415.480728] __alloc_pages_nodemask+0xa80/0xde0 [ 415.485390] ? zap_class+0x640/0x640 [ 415.489105] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 415.494122] ? find_held_lock+0x36/0x1c0 [ 415.498184] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.502846] ? lock_downgrade+0x900/0x900 [ 415.506996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.512530] cache_grow_begin+0xa5/0x8c0 [ 415.516581] ? do_raw_spin_unlock+0xa7/0x330 [ 415.520991] fallback_alloc+0x204/0x2e0 [ 415.524964] ____cache_alloc_node+0x1c7/0x1e0 [ 415.529459] kmem_cache_alloc_node+0xe3/0x730 [ 415.533946] ? mark_held_locks+0xc7/0x130 [ 415.538102] __alloc_skb+0x119/0x770 [ 415.541812] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.546213] ? do_raw_spin_trylock+0x270/0x270 [ 415.550795] ? kmem_cache_alloc_trace+0x353/0x750 [ 415.555635] ? queue_work_on+0x12c/0x1e0 [ 415.560001] ? switchdev_port_obj_del+0xdc/0x440 [ 415.564756] ? switchdev_trans_item_enqueue+0x260/0x260 [ 415.570122] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.575138] __br_mdb_notify+0x4ff/0x15d0 [ 415.579278] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 415.584385] ? __br_mdb_add+0x7f0/0x7f0 [ 415.588372] ? mark_held_locks+0x130/0x130 [ 415.592606] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.597703] ? debug_object_assert_init+0x368/0x4b0 [ 415.602721] ? debug_object_init_on_stack+0x20/0x20 [ 415.607738] ? zap_class+0x640/0x640 [ 415.611446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.616988] br_mdb_notify+0x310/0x410 [ 415.620875] ? br_mdb_dump+0x27b0/0x27b0 [ 415.624940] br_multicast_del_pg+0x3df/0x790 [ 415.629351] ? br_mdb_ip_get+0x940/0x940 [ 415.633405] ? rwlock_bug.part.2+0x90/0x90 [ 415.637637] ? __lock_is_held+0xb5/0x140 [ 415.641999] br_multicast_port_group_expired+0x189/0x1e0 [ 415.647446] call_timer_fn+0x272/0x920 [ 415.651323] ? br_multicast_del_pg+0x790/0x790 [ 415.655898] ? process_timeout+0x40/0x40 [ 415.660747] ? mark_held_locks+0xc7/0x130 [ 415.664884] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.669370] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.673883] ? br_multicast_del_pg+0x790/0x790 [ 415.678458] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.683034] ? trace_hardirqs_on+0xbd/0x310 [ 415.687347] ? kasan_check_read+0x11/0x20 [ 415.691485] ? __run_timers+0x7da/0xc70 [ 415.695452] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.700553] ? br_multicast_del_pg+0x790/0x790 [ 415.705140] ? br_multicast_del_pg+0x790/0x790 [ 415.709713] __run_timers+0x7e5/0xc70 [ 415.713518] ? timer_fixup_init+0x70/0x70 [ 415.717663] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.722672] ? zap_class+0x640/0x640 [ 415.726386] ? print_usage_bug+0xc0/0xc0 [ 415.730442] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.735635] ? find_held_lock+0x36/0x1c0 [ 415.739692] ? zap_class+0x640/0x640 [ 415.743410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.748942] ? check_preemption_disabled+0x48/0x280 [ 415.753960] ? __lock_is_held+0xb5/0x140 [ 415.758018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.764333] ? check_preemption_disabled+0x48/0x280 [ 415.769351] run_timer_softirq+0x52/0xb0 [ 415.773406] ? rcu_read_lock_sched_held+0x14f/0x180 [ 415.778436] __do_softirq+0x308/0xb7e [ 415.782239] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 415.786733] ? lock_downgrade+0x900/0x900 [ 415.790892] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 415.796012] ? pvclock_read_flags+0x160/0x160 [ 415.800502] ? lapic_next_event+0x5a/0x90 [ 415.804650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.810214] ? kvm_clock_read+0x18/0x30 [ 415.814183] ? kvm_sched_clock_read+0x9/0x20 [ 415.818595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.824132] ? check_preemption_disabled+0x48/0x280 [ 415.829171] irq_exit+0x17f/0x1c0 [ 415.832626] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.837456] ? smp_reschedule_interrupt+0x109/0x650 [ 415.842461] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.848339] ? interrupt_entry+0xb5/0xc0 [ 415.852397] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.857406] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.863341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.868180] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.873194] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.878215] ? task_prio+0x50/0x50 [ 415.881749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.887279] ? check_preemption_disabled+0x48/0x280 [ 415.892294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.897134] apic_timer_interrupt+0xf/0x20 [ 415.901354] [ 415.903588] RIP: 0010:dump_stack+0x358/0x39d [ 415.907995] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 415.926887] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 415.935068] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 415.942327] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 415.949590] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 415.956948] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 415.964663] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 415.971976] ? dump_stack+0x34f/0x39d [ 415.975786] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.980975] ? mark_held_locks+0x130/0x130 [ 415.985234] ? mark_held_locks+0x130/0x130 [ 415.989487] dump_header+0x27b/0xf72 [ 415.993223] ? pagefault_out_of_memory+0x197/0x197 [ 415.998151] ? __lock_acquire+0x62f/0x4c20 [ 416.002385] ? percpu_ref_get_many+0x240/0x240 [ 416.006963] ? print_usage_bug+0xc0/0xc0 [ 416.011022] ? zap_class+0x640/0x640 [ 416.014736] ? print_usage_bug+0xc0/0xc0 [ 416.018789] ? print_usage_bug+0xc0/0xc0 [ 416.022849] ? zap_class+0x640/0x640 [ 416.026564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.032098] ? find_held_lock+0x36/0x1c0 [ 416.036168] ? mark_held_locks+0xc7/0x130 [ 416.040335] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.045431] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.050530] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 416.055123] ? trace_hardirqs_on+0xbd/0x310 [ 416.060363] ? kasan_check_read+0x11/0x20 [ 416.064501] ? ___ratelimit+0x3b4/0x672 [ 416.068471] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.073565] ? trace_hardirqs_on+0x310/0x310 [ 416.077967] ? lock_downgrade+0x900/0x900 [ 416.082113] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.087220] ? ___ratelimit+0x3b9/0x672 [ 416.091193] ? idr_get_free+0xf70/0xf70 [ 416.095162] ? find_held_lock+0x36/0x1c0 [ 416.099232] oom_kill_process.cold.27+0x10/0x903 [ 416.103992] ? zap_class+0x640/0x640 [ 416.107707] ? check_preemption_disabled+0x48/0x280 [ 416.112726] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.117646] ? kasan_check_read+0x11/0x20 [ 416.121788] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.127061] ? oom_evaluate_task+0x540/0x540 [ 416.131467] ? find_held_lock+0x36/0x1c0 [ 416.135532] ? out_of_memory+0x974/0x1430 [ 416.139676] ? lock_downgrade+0x900/0x900 [ 416.143822] ? check_preemption_disabled+0x48/0x280 [ 416.148923] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.153850] ? kasan_check_read+0x11/0x20 [ 416.157989] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.164007] ? rcu_softirq_qs+0x20/0x20 [ 416.167982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.173511] ? oom_evaluate_task+0x302/0x540 [ 416.177936] out_of_memory+0xa84/0x1430 [ 416.181914] ? oom_killer_disable+0x3a0/0x3a0 [ 416.186403] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 416.191333] ? __ww_mutex_check_waiters+0x160/0x160 [ 416.196352] __alloc_pages_slowpath+0x2354/0x2e10 [ 416.201222] ? warn_alloc+0x120/0x120 [ 416.205020] ? mark_held_locks+0x130/0x130 [ 416.209253] ? find_get_entry+0xaae/0x1120 [ 416.213488] ? filemap_map_pages+0x1a20/0x1a20 [ 416.218072] ? zap_class+0x640/0x640 [ 416.221783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.227333] ? check_preemption_disabled+0x48/0x280 [ 416.232341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.237889] ? should_fail+0x22d/0xd01 [ 416.241777] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.246874] ? zap_class+0x640/0x640 [ 416.250602] ? __lock_is_held+0xb5/0x140 [ 416.254671] ? mark_held_locks+0x130/0x130 [ 416.259661] ? lock_release+0xa00/0xa00 [ 416.263641] ? perf_trace_sched_process_exec+0x860/0x860 [ 416.269082] ? xa_load+0x2ba/0x460 [ 416.272619] ? lock_downgrade+0x900/0x900 [ 416.276766] ? __might_sleep+0x95/0x190 [ 416.280738] __alloc_pages_nodemask+0xa80/0xde0 [ 416.285409] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 416.290422] ? __page_cache_alloc+0x191/0x5c0 [ 416.294911] ? xa_load+0x2e1/0x460 [ 416.298446] ? xa_clear_mark+0x40/0x40 [ 416.302328] ? zap_class+0x640/0x640 [ 416.306045] ? zap_class+0x640/0x640 [ 416.309754] ? zap_class+0x640/0x640 [ 416.313462] ? __do_page_cache_readahead+0x663/0x810 [ 416.318564] ? find_held_lock+0x36/0x1c0 [ 416.322622] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 416.328159] alloc_pages_current+0x173/0x350 [ 416.332574] __page_cache_alloc+0x38c/0x5c0 [ 416.336889] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.341810] ? kasan_check_read+0x11/0x20 [ 416.345952] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.351225] ? generic_perform_write+0x6a0/0x6a0 [ 416.355976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.362434] ? check_preemption_disabled+0x48/0x280 [ 416.367456] filemap_fault+0x1595/0x25f0 [ 416.371520] ? __lock_page_or_retry+0xa00/0xa00 [ 416.376190] ? mark_held_locks+0x130/0x130 [ 416.380432] ? filemap_map_pages+0xd6b/0x1a20 [ 416.384921] ? lock_downgrade+0x900/0x900 [ 416.389062] ? check_preemption_disabled+0x48/0x280 [ 416.394074] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.398996] ? kasan_check_read+0x11/0x20 [ 416.403141] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.408418] ? rcu_softirq_qs+0x20/0x20 [ 416.412399] ? filemap_map_pages+0xd92/0x1a20 [ 416.416898] ? find_get_entries_tag+0x1400/0x1400 [ 416.421738] ? debug_object_destroy+0x2b0/0x2b0 [ 416.426400] ? lock_pi_update_atomic+0x150/0x150 [ 416.431149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.436701] ? lock_acquire+0x1ed/0x520 [ 416.440667] ? ext4_filemap_fault+0x7a/0xad [ 416.444990] ? lock_release+0xa00/0xa00 [ 416.448960] ? perf_trace_sched_process_exec+0x860/0x860 [ 416.454402] ? print_usage_bug+0xc0/0xc0 [ 416.459386] ? print_usage_bug+0xc0/0xc0 [ 416.463454] ? down_read+0x8d/0x120 [ 416.467071] ? ext4_filemap_fault+0x7a/0xad [ 416.471386] ? __down_interruptible+0x700/0x700 [ 416.476064] ext4_filemap_fault+0x82/0xad [ 416.480208] __do_fault+0x100/0x6b0 [ 416.483832] ? pmd_devmap_trans_unstable+0x220/0x220 [ 416.488930] ? mark_held_locks+0x130/0x130 [ 416.493170] ? mark_held_locks+0x130/0x130 [ 416.497398] ? do_raw_spin_trylock+0x270/0x270 [ 416.501982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.507512] __handle_mm_fault+0x3ea0/0x5be0 [ 416.511913] ? perf_trace_lock+0x7a0/0x7a0 [ 416.516150] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 416.521004] ? __switch_to_asm+0x34/0x70 [ 416.525055] ? __switch_to_asm+0x34/0x70 [ 416.529117] ? zap_class+0x640/0x640 [ 416.532821] ? zap_class+0x640/0x640 [ 416.536527] ? __x64_sys_futex+0x53e/0x6a0 [ 416.540757] ? find_held_lock+0x36/0x1c0 [ 416.544819] ? handle_mm_fault+0x42a/0xc70 [ 416.549045] ? lock_downgrade+0x900/0x900 [ 416.553186] ? check_preemption_disabled+0x48/0x280 [ 416.558247] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.563575] ? kasan_check_read+0x11/0x20 [ 416.567717] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.572991] ? rcu_softirq_qs+0x20/0x20 [ 416.576958] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.582055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.587602] ? check_preemption_disabled+0x48/0x280 [ 416.592622] handle_mm_fault+0x54f/0xc70 [ 416.596685] ? __handle_mm_fault+0x5be0/0x5be0 [ 416.601266] ? find_vma+0x34/0x190 [ 416.604803] __do_page_fault+0x5e8/0xe60 [ 416.608912] ? trace_hardirqs_off+0xb8/0x310 [ 416.613321] do_page_fault+0xf2/0x7e0 [ 416.617115] ? vmalloc_sync_all+0x30/0x30 [ 416.621260] ? error_entry+0x70/0xd0 [ 416.624966] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.630063] ? trace_hardirqs_on_caller+0xc0/0x310 [ 416.635001] ? syscall_return_slowpath+0x5e0/0x5e0 [ 416.639921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.644765] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.649771] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.655219] ? prepare_exit_to_usermode+0x291/0x3b0 [ 416.660986] ? page_fault+0x8/0x30 [ 416.664536] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.669372] ? page_fault+0x8/0x30 [ 416.672906] page_fault+0x1e/0x30 [ 416.676353] RIP: 0033:0x45ddf3 [ 416.679551] Code: Bad RIP value. [ 416.682927] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 416.688283] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 416.695558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 416.702816] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 416.710077] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 416.717336] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 416.724617] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 416.724621] warn_alloc_show_mem: 1 callbacks suppressed [ 416.724627] Mem-Info: [ 416.731369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.736730] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 416.736730] active_file:12 inactive_file:13 isolated_file:0 [ 416.736730] unevictable:0 dirty:0 writeback:0 unstable:0 [ 416.736730] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 416.736730] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 416.736730] free:13705 free_pcp:178 free_cma:0 [ 416.739099] Call Trace: [ 416.748477] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 416.781620] dump_stack+0x244/0x39d [ 416.784178] Node 0 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 [ 416.811927] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.815522] lowmem_reserve[]: 0 2818 6321 6321 [ 416.841629] warn_alloc.cold.116+0xb7/0x1bd [ 416.846781] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 416.851354] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.855643] lowmem_reserve[]: 0 0 3503 3503 [ 416.883450] ? lock_downgrade+0x900/0x900 [ 416.888264] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 416.892575] ? trace_hardirqs_off+0xb8/0x310 [ 416.897157] lowmem_reserve[]: 0 0 0 0 [ 416.926126] ? trace_hardirqs_off+0xb8/0x310 [ 416.930508] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 416.934305] __alloc_pages_slowpath+0x26e8/0x2e10 [ 416.938677] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 416.952221] ? warn_alloc+0x120/0x120 [ 416.957012] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 416.972580] ? print_usage_bug+0xc0/0xc0 [ 416.976355] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 416.990551] ? warn_alloc+0x120/0x120 [ 416.994590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 417.003405] ? warn_alloc+0x120/0x120 [ 417.007180] 366 total pagecache pages [ 417.015741] ? print_usage_bug+0xc0/0xc0 [ 417.019524] 0 pages in swap cache [ 417.023305] ? print_usage_bug+0xc0/0xc0 [ 417.027342] Swap cache stats: add 0, delete 0, find 0/0 [ 417.030779] ? check_preemption_disabled+0x48/0x280 [ 417.034806] Free swap = 0kB [ 417.040168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.045163] Total swap = 0kB [ 417.048184] ? should_fail+0x22d/0xd01 [ 417.053690] 1965979 pages RAM [ 417.056695] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.061333] 0 pages HighMem/MovableOnly [ 417.061340] 342854 pages reserved [ 417.064431] ? __lock_acquire+0x62f/0x4c20 [ 417.069505] 0 pages cma reserved [ 417.073466] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.077018] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.081105] ? __lock_acquire+0x62f/0x4c20 [ 417.084446] syz-fuzzer cpuset=/ mems_allowed=0 [ 417.089547] ? should_fail+0x22d/0xd01 [ 417.089570] ? mark_held_locks+0x130/0x130 [ 417.116624] ? mark_held_locks+0x130/0x130 [ 417.120865] ? zap_class+0x640/0x640 [ 417.124570] ? print_usage_bug+0xc0/0xc0 [ 417.128626] ? mark_held_locks+0x130/0x130 [ 417.132860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.138390] ? check_preemption_disabled+0x48/0x280 [ 417.143405] ? __lock_is_held+0xb5/0x140 [ 417.147466] __alloc_pages_nodemask+0xa80/0xde0 [ 417.152137] ? zap_class+0x640/0x640 [ 417.155847] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 417.161224] ? find_held_lock+0x36/0x1c0 [ 417.165295] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.169962] ? lock_downgrade+0x900/0x900 [ 417.174108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.179661] cache_grow_begin+0xa5/0x8c0 [ 417.183713] ? do_raw_spin_unlock+0xa7/0x330 [ 417.188132] fallback_alloc+0x204/0x2e0 [ 417.192106] ____cache_alloc_node+0x1c7/0x1e0 [ 417.196631] kmem_cache_alloc_node+0xe3/0x730 [ 417.201137] ? ipv6_get_ifaddr+0x42e/0x620 [ 417.205373] __alloc_skb+0x119/0x770 [ 417.209078] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.214355] ? netdev_alloc_frag+0x1f0/0x1f0 [ 417.218759] ? lock_downgrade+0x900/0x900 [ 417.222907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.228439] ? refcount_sub_and_test_checked+0x203/0x310 [ 417.233891] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 417.239332] ? addrconf_rs_timer+0x690/0x690 [ 417.243744] ndisc_alloc_skb+0x144/0x340 [ 417.247811] ndisc_send_rs+0x331/0x6e0 [ 417.251696] addrconf_rs_timer+0x314/0x690 [ 417.255931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.260504] call_timer_fn+0x272/0x920 [ 417.264386] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.268610] ? process_timeout+0x40/0x40 [ 417.272670] ? __run_timers+0x7da/0xc70 [ 417.276637] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.281134] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.285621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.289853] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.294430] ? trace_hardirqs_on+0xbd/0x310 [ 417.298746] ? kasan_check_read+0x11/0x20 [ 417.302887] ? __run_timers+0x7da/0xc70 [ 417.306979] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.312087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.316321] __run_timers+0x7e5/0xc70 [ 417.320135] ? timer_fixup_init+0x70/0x70 [ 417.324284] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.328769] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.333255] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 417.337831] ? trace_hardirqs_on+0xbd/0x310 [ 417.342147] ? kasan_check_read+0x11/0x20 [ 417.346292] ? finish_task_switch+0x1f4/0x910 [ 417.350782] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.355967] ? compat_start_thread+0x80/0x80 [ 417.360723] ? pvclock_read_flags+0x160/0x160 [ 417.365210] ? __switch_to_asm+0x34/0x70 [ 417.369269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.374801] ? check_preemption_disabled+0x48/0x280 [ 417.379822] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 417.385355] ? rcu_pm_notify+0xc0/0xc0 [ 417.389236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.394768] ? check_preemption_disabled+0x48/0x280 [ 417.399781] run_timer_softirq+0x52/0xb0 [ 417.403849] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.408858] __do_softirq+0x308/0xb7e [ 417.412654] ? trace_hardirqs_on_caller+0xc0/0x310 [ 417.417583] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 417.422681] ? trace_hardirqs_on+0x310/0x310 [ 417.427086] ? schedule+0x108/0x460 [ 417.430723] ? trace_hardirqs_off+0xb8/0x310 [ 417.435134] ? smpboot_thread_fn+0x68b/0xa00 [ 417.439537] ? trace_hardirqs_on+0x310/0x310 [ 417.443941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.449470] ? check_preemption_disabled+0x48/0x280 [ 417.454488] ? takeover_tasklets+0xa90/0xa90 [ 417.459180] run_ksoftirqd+0x5e/0x100 [ 417.462972] smpboot_thread_fn+0x68b/0xa00 [ 417.467213] ? sort_range+0x30/0x30 [ 417.470832] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.475928] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.481467] ? __kthread_parkme+0xfb/0x1a0 [ 417.485709] ? sort_range+0x30/0x30 [ 417.489326] kthread+0x35a/0x440 [ 417.492686] ? kthread_stop+0x900/0x900 [ 417.496655] ret_from_fork+0x3a/0x50 [ 417.500388] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 417.500452] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 417.507310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.507315] Call Trace: [ 417.507321] [ 417.507337] dump_stack+0x244/0x39d [ 417.507372] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.513909] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.523188] warn_alloc.cold.116+0xb7/0x1bd [ 417.525736] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 417.527875] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.561683] ? lock_downgrade+0x900/0x900 [ 417.565833] ? trace_hardirqs_off+0xb8/0x310 [ 417.570252] ? trace_hardirqs_off+0xb8/0x310 [ 417.574661] __alloc_pages_slowpath+0x26e8/0x2e10 [ 417.579521] ? warn_alloc+0x120/0x120 [ 417.583320] ? warn_alloc+0x120/0x120 [ 417.587119] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.592129] ? warn_alloc+0x120/0x120 [ 417.595922] ? print_usage_bug+0xc0/0xc0 [ 417.599980] ? print_usage_bug+0xc0/0xc0 [ 417.604035] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 417.609242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.614779] ? should_fail+0x22d/0xd01 [ 417.618664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.623763] ? __lock_acquire+0x62f/0x4c20 [ 417.627995] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.633098] ? should_fail+0x22d/0xd01 [ 417.636993] ? mark_held_locks+0x130/0x130 [ 417.641224] ? mark_held_locks+0x130/0x130 [ 417.645451] ? print_usage_bug+0xc0/0xc0 [ 417.649508] ? find_held_lock+0x36/0x1c0 [ 417.653565] ? zap_class+0x640/0x640 [ 417.657276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.663560] ? check_preemption_disabled+0x48/0x280 [ 417.668579] ? __lock_is_held+0xb5/0x140 [ 417.672640] __alloc_pages_nodemask+0xa80/0xde0 [ 417.677301] ? zap_class+0x640/0x640 [ 417.681014] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 417.686034] ? find_held_lock+0x36/0x1c0 [ 417.690117] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.694784] ? lock_downgrade+0x900/0x900 [ 417.698930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.704463] cache_grow_begin+0xa5/0x8c0 [ 417.708531] ? do_raw_spin_unlock+0xa7/0x330 [ 417.712938] fallback_alloc+0x204/0x2e0 [ 417.716912] ____cache_alloc_node+0x1c7/0x1e0 [ 417.721407] kmem_cache_alloc_node+0xe3/0x730 [ 417.725897] ? mark_held_locks+0xc7/0x130 [ 417.730050] __alloc_skb+0x119/0x770 [ 417.733767] ? netdev_alloc_frag+0x1f0/0x1f0 [ 417.738173] ? do_raw_spin_trylock+0x270/0x270 [ 417.742753] ? kmem_cache_alloc_trace+0x353/0x750 [ 417.747601] ? queue_work_on+0x12c/0x1e0 [ 417.751664] ? switchdev_port_obj_del+0xdc/0x440 [ 417.756414] ? switchdev_trans_item_enqueue+0x260/0x260 [ 417.762883] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 417.767903] __br_mdb_notify+0x4ff/0x15d0 [ 417.772049] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.777161] ? __br_mdb_add+0x7f0/0x7f0 [ 417.781131] ? mark_held_locks+0x130/0x130 [ 417.785360] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.790478] ? debug_object_assert_init+0x368/0x4b0 [ 417.795492] ? debug_object_init_on_stack+0x20/0x20 [ 417.800496] ? zap_class+0x640/0x640 [ 417.804208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.809781] br_mdb_notify+0x310/0x410 [ 417.813661] ? br_mdb_dump+0x27b0/0x27b0 [ 417.817726] br_multicast_del_pg+0x3df/0x790 [ 417.822157] ? br_mdb_ip_get+0x940/0x940 [ 417.826210] ? rwlock_bug.part.2+0x90/0x90 [ 417.830448] ? __lock_is_held+0xb5/0x140 [ 417.834511] br_multicast_port_group_expired+0x189/0x1e0 [ 417.839955] call_timer_fn+0x272/0x920 [ 417.843838] ? br_multicast_del_pg+0x790/0x790 [ 417.848414] ? process_timeout+0x40/0x40 [ 417.852492] ? mark_held_locks+0xc7/0x130 [ 417.856633] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.861895] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.866381] ? br_multicast_del_pg+0x790/0x790 [ 417.870960] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.875539] ? trace_hardirqs_on+0xbd/0x310 [ 417.879852] ? kasan_check_read+0x11/0x20 [ 417.883989] ? __run_timers+0x7da/0xc70 [ 417.887957] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.893056] ? br_multicast_del_pg+0x790/0x790 [ 417.897651] ? br_multicast_del_pg+0x790/0x790 [ 417.902225] __run_timers+0x7e5/0xc70 [ 417.906031] ? timer_fixup_init+0x70/0x70 [ 417.910176] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.915185] ? zap_class+0x640/0x640 [ 417.918895] ? print_usage_bug+0xc0/0xc0 [ 417.922950] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 417.928626] ? find_held_lock+0x36/0x1c0 [ 417.932684] ? zap_class+0x640/0x640 [ 417.936398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.941930] ? check_preemption_disabled+0x48/0x280 [ 417.946948] ? __lock_is_held+0xb5/0x140 [ 417.951007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.956537] ? check_preemption_disabled+0x48/0x280 [ 417.962335] run_timer_softirq+0x52/0xb0 [ 417.966395] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.971405] __do_softirq+0x308/0xb7e [ 417.975209] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 417.979695] ? lock_downgrade+0x900/0x900 [ 417.983839] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 417.988955] ? pvclock_read_flags+0x160/0x160 [ 417.993465] ? lapic_next_event+0x5a/0x90 [ 417.997613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.003147] ? kvm_clock_read+0x18/0x30 [ 418.007117] ? kvm_sched_clock_read+0x9/0x20 [ 418.011522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.017052] ? check_preemption_disabled+0x48/0x280 [ 418.022084] irq_exit+0x17f/0x1c0 [ 418.025530] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.030366] ? smp_reschedule_interrupt+0x109/0x650 [ 418.035376] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.041267] ? interrupt_entry+0xb5/0xc0 [ 418.045325] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.050333] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.055347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.061100] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.066109] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.071119] ? task_prio+0x50/0x50 [ 418.074659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.080192] ? check_preemption_disabled+0x48/0x280 [ 418.085203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.090043] apic_timer_interrupt+0xf/0x20 [ 418.094273] [ 418.096506] RIP: 0010:dump_stack+0x358/0x39d [ 418.100911] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 418.119802] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 418.127506] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 418.134769] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 418.142033] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 418.149300] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 418.156561] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 418.164840] ? dump_stack+0x34f/0x39d [ 418.168645] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.173830] ? mark_held_locks+0x130/0x130 [ 418.178062] ? mark_held_locks+0x130/0x130 [ 418.182294] dump_header+0x27b/0xf72 [ 418.186008] ? pagefault_out_of_memory+0x197/0x197 [ 418.190937] ? __lock_acquire+0x62f/0x4c20 [ 418.195166] ? percpu_ref_get_many+0x240/0x240 [ 418.199755] ? print_usage_bug+0xc0/0xc0 [ 418.203818] ? zap_class+0x640/0x640 [ 418.207526] ? print_usage_bug+0xc0/0xc0 [ 418.211580] ? print_usage_bug+0xc0/0xc0 [ 418.215634] ? zap_class+0x640/0x640 [ 418.219346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.224880] ? find_held_lock+0x36/0x1c0 [ 418.228944] ? mark_held_locks+0xc7/0x130 [ 418.233085] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 418.238192] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 418.243287] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 418.247864] ? trace_hardirqs_on+0xbd/0x310 [ 418.252193] ? kasan_check_read+0x11/0x20 [ 418.256337] ? ___ratelimit+0x3b4/0x672 [ 418.261096] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.266197] ? trace_hardirqs_on+0x310/0x310 [ 418.270600] ? lock_downgrade+0x900/0x900 [ 418.274744] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 418.279839] ? ___ratelimit+0x3b9/0x672 [ 418.283807] ? idr_get_free+0xf70/0xf70 [ 418.287791] ? find_held_lock+0x36/0x1c0 [ 418.291853] oom_kill_process.cold.27+0x10/0x903 [ 418.296603] ? zap_class+0x640/0x640 [ 418.300315] ? check_preemption_disabled+0x48/0x280 [ 418.305333] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 418.310257] ? kasan_check_read+0x11/0x20 [ 418.314400] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.319672] ? oom_evaluate_task+0x540/0x540 [ 418.324076] ? find_held_lock+0x36/0x1c0 [ 418.328226] ? out_of_memory+0x974/0x1430 [ 418.332373] ? lock_downgrade+0x900/0x900 [ 418.336515] ? check_preemption_disabled+0x48/0x280 [ 418.341524] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 418.346454] ? kasan_check_read+0x11/0x20 [ 418.350595] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.355862] ? rcu_softirq_qs+0x20/0x20 [ 418.360831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.366449] ? oom_evaluate_task+0x302/0x540 [ 418.370853] out_of_memory+0xa84/0x1430 [ 418.374839] ? oom_killer_disable+0x3a0/0x3a0 [ 418.379347] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 418.384277] ? __ww_mutex_check_waiters+0x160/0x160 [ 418.389311] __alloc_pages_slowpath+0x2354/0x2e10 [ 418.394171] ? warn_alloc+0x120/0x120 [ 418.397966] ? mark_held_locks+0x130/0x130 [ 418.402219] ? find_get_entry+0xaae/0x1120 [ 418.406454] ? filemap_map_pages+0x1a20/0x1a20 [ 418.411040] ? zap_class+0x640/0x640 [ 418.414753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.420284] ? check_preemption_disabled+0x48/0x280 [ 418.425297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.430828] ? should_fail+0x22d/0xd01 [ 418.434710] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.439824] ? zap_class+0x640/0x640 [ 418.443566] ? __lock_is_held+0xb5/0x140 [ 418.447640] ? mark_held_locks+0x130/0x130 [ 418.451867] ? lock_release+0xa00/0xa00 [ 418.455831] ? perf_trace_sched_process_exec+0x860/0x860 [ 418.461736] ? xa_load+0x2ba/0x460 [ 418.465275] ? lock_downgrade+0x900/0x900 [ 418.469427] ? __might_sleep+0x95/0x190 [ 418.473400] __alloc_pages_nodemask+0xa80/0xde0 [ 418.478201] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 418.483318] ? __page_cache_alloc+0x191/0x5c0 [ 418.487803] ? xa_load+0x2e1/0x460 [ 418.491340] ? xa_clear_mark+0x40/0x40 [ 418.495219] ? zap_class+0x640/0x640 [ 418.498931] ? zap_class+0x640/0x640 [ 418.502634] ? zap_class+0x640/0x640 [ 418.506339] ? __do_page_cache_readahead+0x663/0x810 [ 418.511441] ? find_held_lock+0x36/0x1c0 [ 418.515517] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 418.521060] alloc_pages_current+0x173/0x350 [ 418.525481] __page_cache_alloc+0x38c/0x5c0 [ 418.529795] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 418.534721] ? kasan_check_read+0x11/0x20 [ 418.538863] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.544151] ? generic_perform_write+0x6a0/0x6a0 [ 418.548901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.554431] ? check_preemption_disabled+0x48/0x280 [ 418.560389] filemap_fault+0x1595/0x25f0 [ 418.564455] ? __lock_page_or_retry+0xa00/0xa00 [ 418.569119] ? mark_held_locks+0x130/0x130 [ 418.573353] ? filemap_map_pages+0xd6b/0x1a20 [ 418.577841] ? lock_downgrade+0x900/0x900 [ 418.581982] ? check_preemption_disabled+0x48/0x280 [ 418.586992] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 418.591922] ? kasan_check_read+0x11/0x20 [ 418.596062] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.601332] ? rcu_softirq_qs+0x20/0x20 [ 418.605305] ? filemap_map_pages+0xd92/0x1a20 [ 418.609801] ? find_get_entries_tag+0x1400/0x1400 [ 418.614636] ? debug_object_destroy+0x2b0/0x2b0 [ 418.619322] ? lock_pi_update_atomic+0x150/0x150 [ 418.624073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.629620] ? lock_acquire+0x1ed/0x520 [ 418.633586] ? ext4_filemap_fault+0x7a/0xad [ 418.637904] ? lock_release+0xa00/0xa00 [ 418.641871] ? perf_trace_sched_process_exec+0x860/0x860 [ 418.647312] ? print_usage_bug+0xc0/0xc0 [ 418.651367] ? print_usage_bug+0xc0/0xc0 [ 418.655430] ? down_read+0x8d/0x120 [ 418.659899] ? ext4_filemap_fault+0x7a/0xad [ 418.664221] ? __down_interruptible+0x700/0x700 [ 418.668891] ext4_filemap_fault+0x82/0xad [ 418.673039] __do_fault+0x100/0x6b0 [ 418.676680] ? pmd_devmap_trans_unstable+0x220/0x220 [ 418.681775] ? mark_held_locks+0x130/0x130 [ 418.686003] ? mark_held_locks+0x130/0x130 [ 418.690235] ? do_raw_spin_trylock+0x270/0x270 [ 418.694818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.700357] __handle_mm_fault+0x3ea0/0x5be0 [ 418.704754] ? perf_trace_lock+0x7a0/0x7a0 [ 418.708989] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 418.713848] ? __switch_to_asm+0x34/0x70 [ 418.717901] ? __switch_to_asm+0x34/0x70 [ 418.721967] ? zap_class+0x640/0x640 [ 418.725672] ? zap_class+0x640/0x640 [ 418.729380] ? __x64_sys_futex+0x53e/0x6a0 [ 418.733611] ? find_held_lock+0x36/0x1c0 [ 418.737674] ? handle_mm_fault+0x42a/0xc70 [ 418.741904] ? lock_downgrade+0x900/0x900 [ 418.746046] ? check_preemption_disabled+0x48/0x280 [ 418.751055] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 418.755972] ? kasan_check_read+0x11/0x20 [ 418.760396] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.765667] ? rcu_softirq_qs+0x20/0x20 [ 418.769634] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.774732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.780265] ? check_preemption_disabled+0x48/0x280 [ 418.785364] handle_mm_fault+0x54f/0xc70 [ 418.789500] ? __handle_mm_fault+0x5be0/0x5be0 [ 418.794081] ? find_vma+0x34/0x190 [ 418.797622] __do_page_fault+0x5e8/0xe60 [ 418.801675] ? trace_hardirqs_off+0xb8/0x310 [ 418.806087] do_page_fault+0xf2/0x7e0 [ 418.809991] ? vmalloc_sync_all+0x30/0x30 [ 418.814137] ? error_entry+0x70/0xd0 [ 418.817843] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.822854] ? trace_hardirqs_on_caller+0xc0/0x310 [ 418.827775] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.832694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.837531] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.842545] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.847995] ? prepare_exit_to_usermode+0x291/0x3b0 [ 418.853021] ? page_fault+0x8/0x30 [ 418.856555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.862200] ? page_fault+0x8/0x30 [ 418.865730] page_fault+0x1e/0x30 [ 418.869174] RIP: 0033:0x45ddf3 [ 418.872376] Code: Bad RIP value. [ 418.875737] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 418.881092] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 418.888353] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 418.895613] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 418.902878] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 418.910137] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 418.917416] warn_alloc_show_mem: 1 callbacks suppressed [ 418.917425] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 418.917426] Mem-Info: [ 418.917456] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 418.917456] active_file:12 inactive_file:13 isolated_file:0 [ 418.917456] unevictable:0 dirty:0 writeback:0 unstable:0 [ 418.917456] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 418.917456] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 418.917456] free:13705 free_pcp:178 free_cma:0 [ 418.922787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.929540] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 418.931926] Call Trace: [ 418.965543] Node 0 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 [ 418.974902] dump_stack+0x244/0x39d [ 419.002532] lowmem_reserve[]: 0 2818 6321 6321 [ 419.005111] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.031188] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 419.034832] warn_alloc.cold.116+0xb7/0x1bd [ 419.039376] lowmem_reserve[]: 0 0 3503 3503 [ 419.044570] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.072837] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 419.077153] ? lock_downgrade+0x900/0x900 [ 419.081442] lowmem_reserve[]: 0 0 0 0 [ 419.086276] ? trace_hardirqs_off+0xb8/0x310 [ 419.115211] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 419.119351] ? trace_hardirqs_off+0xb8/0x310 [ 419.123120] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 419.127522] __alloc_pages_slowpath+0x26e8/0x2e10 [ 419.141011] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 419.145432] ? warn_alloc+0x120/0x120 [ 419.161339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 419.166165] ? print_usage_bug+0xc0/0xc0 [ 419.180439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 419.184216] ? warn_alloc+0x120/0x120 [ 419.193024] 366 total pagecache pages [ 419.197069] ? warn_alloc+0x120/0x120 [ 419.205619] 0 pages in swap cache [ 419.209396] ? print_usage_bug+0xc0/0xc0 [ 419.213173] Swap cache stats: add 0, delete 0, find 0/0 [ 419.216953] ? print_usage_bug+0xc0/0xc0 [ 419.220374] Free swap = 0kB [ 419.224423] ? __lock_acquire+0x62f/0x4c20 [ 419.229757] Total swap = 0kB [ 419.233804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.236788] 1965979 pages RAM [ 419.241017] ? should_fail+0x22d/0xd01 [ 419.244004] 0 pages HighMem/MovableOnly [ 419.244011] 342854 pages reserved [ 419.249532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.252610] 0 pages cma reserved [ 419.256484] ? __lock_acquire+0x62f/0x4c20 [ 419.261020] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.264330] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.269400] syz-fuzzer cpuset=/ mems_allowed=0 [ 419.272753] ? __lock_acquire+0x62f/0x4c20 [ 419.301029] ? should_fail+0x22d/0xd01 [ 419.304909] ? find_held_lock+0x36/0x1c0 [ 419.308982] ? mark_held_locks+0x130/0x130 [ 419.313220] ? mark_held_locks+0x130/0x130 [ 419.317447] ? zap_class+0x640/0x640 [ 419.321155] ? mark_held_locks+0xc7/0x130 [ 419.325301] ? do_raw_spin_unlock+0xa7/0x330 [ 419.329710] ? zap_class+0x640/0x640 [ 419.333417] ? print_usage_bug+0xc0/0xc0 [ 419.337477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.343009] ? check_preemption_disabled+0x48/0x280 [ 419.348110] ? __lock_is_held+0xb5/0x140 [ 419.352174] __alloc_pages_nodemask+0xa80/0xde0 [ 419.356835] ? zap_class+0x640/0x640 [ 419.360902] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 419.365924] ? find_held_lock+0x36/0x1c0 [ 419.370000] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.374662] ? lock_downgrade+0x900/0x900 [ 419.378808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.384345] cache_grow_begin+0xa5/0x8c0 [ 419.388414] ? do_raw_spin_unlock+0xa7/0x330 [ 419.392825] fallback_alloc+0x204/0x2e0 [ 419.396802] ____cache_alloc_node+0x1c7/0x1e0 [ 419.401297] kmem_cache_alloc_node+0xe3/0x730 [ 419.405786] ? ipv6_get_ifaddr+0x42e/0x620 [ 419.410022] __alloc_skb+0x119/0x770 [ 419.413729] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.419020] ? netdev_alloc_frag+0x1f0/0x1f0 [ 419.423420] ? lock_downgrade+0x900/0x900 [ 419.427565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.433096] ? refcount_sub_and_test_checked+0x203/0x310 [ 419.438541] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 419.443994] ? addrconf_rs_timer+0x690/0x690 [ 419.448411] ndisc_alloc_skb+0x144/0x340 [ 419.452481] ndisc_send_rs+0x331/0x6e0 [ 419.456368] addrconf_rs_timer+0x314/0x690 [ 419.460898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.465138] call_timer_fn+0x272/0x920 [ 419.469013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.473239] ? process_timeout+0x40/0x40 [ 419.477298] ? __run_timers+0x7da/0xc70 [ 419.481266] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.485757] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.490246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.494473] ? lockdep_hardirqs_on+0x296/0x5b0 [ 419.499050] ? trace_hardirqs_on+0xbd/0x310 [ 419.503366] ? kasan_check_read+0x11/0x20 [ 419.507509] ? __run_timers+0x7da/0xc70 [ 419.511479] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.516579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.520839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.525068] __run_timers+0x7e5/0xc70 [ 419.528877] ? timer_fixup_init+0x70/0x70 [ 419.533017] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.537515] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.542004] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 419.546578] ? trace_hardirqs_on+0xbd/0x310 [ 419.550890] ? kasan_check_read+0x11/0x20 [ 419.555033] ? finish_task_switch+0x1f4/0x910 [ 419.559937] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.565045] ? compat_start_thread+0x80/0x80 [ 419.569467] ? pvclock_read_flags+0x160/0x160 [ 419.573950] ? __switch_to_asm+0x34/0x70 [ 419.578012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.583546] ? check_preemption_disabled+0x48/0x280 [ 419.588567] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 419.594095] ? rcu_pm_notify+0xc0/0xc0 [ 419.597987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.603519] ? check_preemption_disabled+0x48/0x280 [ 419.608531] run_timer_softirq+0x52/0xb0 [ 419.612585] ? rcu_read_lock_sched_held+0x14f/0x180 [ 419.617599] __do_softirq+0x308/0xb7e [ 419.621396] ? trace_hardirqs_on_caller+0xc0/0x310 [ 419.626326] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 419.631419] ? trace_hardirqs_on+0x310/0x310 [ 419.635829] ? schedule+0x108/0x460 [ 419.639461] ? trace_hardirqs_off+0xb8/0x310 [ 419.643864] ? smpboot_thread_fn+0x68b/0xa00 [ 419.648266] ? trace_hardirqs_on+0x310/0x310 [ 419.652670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.658494] ? check_preemption_disabled+0x48/0x280 [ 419.663500] ? takeover_tasklets+0xa90/0xa90 [ 419.667903] run_ksoftirqd+0x5e/0x100 [ 419.671705] smpboot_thread_fn+0x68b/0xa00 [ 419.675933] ? sort_range+0x30/0x30 [ 419.679564] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.684661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.690194] ? __kthread_parkme+0xfb/0x1a0 [ 419.694428] ? sort_range+0x30/0x30 [ 419.698046] kthread+0x35a/0x440 [ 419.701406] ? kthread_stop+0x900/0x900 [ 419.705377] ret_from_fork+0x3a/0x50 [ 419.709101] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 419.709172] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 419.716023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.716028] Call Trace: [ 419.716034] [ 419.716051] dump_stack+0x244/0x39d [ 419.716069] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.722604] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.731882] warn_alloc.cold.116+0xb7/0x1bd [ 419.734433] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 419.736569] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.770198] ? lock_downgrade+0x900/0x900 [ 419.774349] ? trace_hardirqs_off+0xb8/0x310 [ 419.778754] ? trace_hardirqs_off+0xb8/0x310 [ 419.783162] __alloc_pages_slowpath+0x26e8/0x2e10 [ 419.788024] ? warn_alloc+0x120/0x120 [ 419.791824] ? warn_alloc+0x120/0x120 [ 419.795619] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.800627] ? warn_alloc+0x120/0x120 [ 419.804421] ? print_usage_bug+0xc0/0xc0 [ 419.808482] ? print_usage_bug+0xc0/0xc0 [ 419.812538] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 419.817727] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.823261] ? should_fail+0x22d/0xd01 [ 419.827149] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.832246] ? __lock_acquire+0x62f/0x4c20 [ 419.836480] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.841573] ? should_fail+0x22d/0xd01 [ 419.845465] ? mark_held_locks+0x130/0x130 [ 419.849693] ? mark_held_locks+0x130/0x130 [ 419.853920] ? print_usage_bug+0xc0/0xc0 [ 419.858016] ? find_held_lock+0x36/0x1c0 [ 419.862813] ? zap_class+0x640/0x640 [ 419.866530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.872075] ? check_preemption_disabled+0x48/0x280 [ 419.877096] ? __lock_is_held+0xb5/0x140 [ 419.881153] __alloc_pages_nodemask+0xa80/0xde0 [ 419.885816] ? zap_class+0x640/0x640 [ 419.889526] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 419.894543] ? find_held_lock+0x36/0x1c0 [ 419.898606] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.903282] ? lock_downgrade+0x900/0x900 [ 419.907430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.912969] cache_grow_begin+0xa5/0x8c0 [ 419.917028] ? do_raw_spin_unlock+0xa7/0x330 [ 419.921439] fallback_alloc+0x204/0x2e0 [ 419.925415] ____cache_alloc_node+0x1c7/0x1e0 [ 419.930391] kmem_cache_alloc_node+0xe3/0x730 [ 419.934882] ? mark_held_locks+0xc7/0x130 [ 419.939036] __alloc_skb+0x119/0x770 [ 419.942747] ? netdev_alloc_frag+0x1f0/0x1f0 [ 419.947151] ? do_raw_spin_trylock+0x270/0x270 [ 419.951723] ? kmem_cache_alloc_trace+0x353/0x750 [ 419.956561] ? queue_work_on+0x12c/0x1e0 [ 419.961599] ? switchdev_port_obj_del+0xdc/0x440 [ 419.966347] ? switchdev_trans_item_enqueue+0x260/0x260 [ 419.971718] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 419.976735] __br_mdb_notify+0x4ff/0x15d0 [ 419.980872] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.985980] ? __br_mdb_add+0x7f0/0x7f0 [ 419.989964] ? mark_held_locks+0x130/0x130 [ 419.994211] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.999311] ? debug_object_assert_init+0x368/0x4b0 [ 420.004324] ? debug_object_init_on_stack+0x20/0x20 [ 420.009331] ? zap_class+0x640/0x640 [ 420.013041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.018583] br_mdb_notify+0x310/0x410 [ 420.022465] ? br_mdb_dump+0x27b0/0x27b0 [ 420.026528] br_multicast_del_pg+0x3df/0x790 [ 420.030944] ? br_mdb_ip_get+0x940/0x940 [ 420.035009] ? rwlock_bug.part.2+0x90/0x90 [ 420.039241] ? __lock_is_held+0xb5/0x140 [ 420.043302] br_multicast_port_group_expired+0x189/0x1e0 [ 420.048751] call_timer_fn+0x272/0x920 [ 420.052631] ? br_multicast_del_pg+0x790/0x790 [ 420.057218] ? process_timeout+0x40/0x40 [ 420.062017] ? mark_held_locks+0xc7/0x130 [ 420.066158] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.070644] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.075130] ? br_multicast_del_pg+0x790/0x790 [ 420.079712] ? lockdep_hardirqs_on+0x296/0x5b0 [ 420.084292] ? trace_hardirqs_on+0xbd/0x310 [ 420.088603] ? kasan_check_read+0x11/0x20 [ 420.092742] ? __run_timers+0x7da/0xc70 [ 420.096725] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.101825] ? br_multicast_del_pg+0x790/0x790 [ 420.106406] ? br_multicast_del_pg+0x790/0x790 [ 420.110977] __run_timers+0x7e5/0xc70 [ 420.114790] ? timer_fixup_init+0x70/0x70 [ 420.118939] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.123954] ? zap_class+0x640/0x640 [ 420.127681] ? print_usage_bug+0xc0/0xc0 [ 420.131737] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.136928] ? find_held_lock+0x36/0x1c0 [ 420.140986] ? zap_class+0x640/0x640 [ 420.144696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.150226] ? check_preemption_disabled+0x48/0x280 [ 420.155253] ? __lock_is_held+0xb5/0x140 [ 420.160266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.165800] ? check_preemption_disabled+0x48/0x280 [ 420.170816] run_timer_softirq+0x52/0xb0 [ 420.174871] ? rcu_read_lock_sched_held+0x14f/0x180 [ 420.179892] __do_softirq+0x308/0xb7e [ 420.183693] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 420.188178] ? lock_downgrade+0x900/0x900 [ 420.192319] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 420.197419] ? pvclock_read_flags+0x160/0x160 [ 420.201938] ? lapic_next_event+0x5a/0x90 [ 420.206082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.211620] ? kvm_clock_read+0x18/0x30 [ 420.215585] ? kvm_sched_clock_read+0x9/0x20 [ 420.220076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.225607] ? check_preemption_disabled+0x48/0x280 [ 420.230624] irq_exit+0x17f/0x1c0 [ 420.234076] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.238919] ? smp_reschedule_interrupt+0x109/0x650 [ 420.243936] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.249815] ? interrupt_entry+0xb5/0xc0 [ 420.253870] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.259652] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.264661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.269493] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.274616] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.279626] ? task_prio+0x50/0x50 [ 420.283165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.288693] ? check_preemption_disabled+0x48/0x280 [ 420.293705] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.298551] apic_timer_interrupt+0xf/0x20 [ 420.302770] [ 420.305001] RIP: 0010:dump_stack+0x358/0x39d [ 420.309403] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 420.328302] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 420.336003] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 420.343338] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 420.350601] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 420.357862] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 420.365999] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 420.373278] ? dump_stack+0x34f/0x39d [ 420.377087] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.382272] ? mark_held_locks+0x130/0x130 [ 420.386497] ? mark_held_locks+0x130/0x130 [ 420.390727] dump_header+0x27b/0xf72 [ 420.394451] ? pagefault_out_of_memory+0x197/0x197 [ 420.399485] ? __lock_acquire+0x62f/0x4c20 [ 420.403728] ? percpu_ref_get_many+0x240/0x240 [ 420.408307] ? print_usage_bug+0xc0/0xc0 [ 420.412367] ? zap_class+0x640/0x640 [ 420.416076] ? print_usage_bug+0xc0/0xc0 [ 420.420128] ? print_usage_bug+0xc0/0xc0 [ 420.424179] ? zap_class+0x640/0x640 [ 420.427890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.433437] ? find_held_lock+0x36/0x1c0 [ 420.437496] ? mark_held_locks+0xc7/0x130 [ 420.441640] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 420.446733] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 420.451845] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 420.456426] ? trace_hardirqs_on+0xbd/0x310 [ 420.461558] ? kasan_check_read+0x11/0x20 [ 420.465703] ? ___ratelimit+0x3b4/0x672 [ 420.469670] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.474766] ? trace_hardirqs_on+0x310/0x310 [ 420.479183] ? lock_downgrade+0x900/0x900 [ 420.483324] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 420.488422] ? ___ratelimit+0x3b9/0x672 [ 420.492467] ? idr_get_free+0xf70/0xf70 [ 420.496436] ? find_held_lock+0x36/0x1c0 [ 420.500497] oom_kill_process.cold.27+0x10/0x903 [ 420.505242] ? zap_class+0x640/0x640 [ 420.508948] ? check_preemption_disabled+0x48/0x280 [ 420.513960] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.518883] ? kasan_check_read+0x11/0x20 [ 420.523041] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.528309] ? oom_evaluate_task+0x540/0x540 [ 420.532710] ? find_held_lock+0x36/0x1c0 [ 420.536772] ? out_of_memory+0x974/0x1430 [ 420.540919] ? lock_downgrade+0x900/0x900 [ 420.545063] ? check_preemption_disabled+0x48/0x280 [ 420.550073] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.554994] ? kasan_check_read+0x11/0x20 [ 420.559897] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.565162] ? rcu_softirq_qs+0x20/0x20 [ 420.569145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.574672] ? oom_evaluate_task+0x302/0x540 [ 420.579072] out_of_memory+0xa84/0x1430 [ 420.583046] ? oom_killer_disable+0x3a0/0x3a0 [ 420.587537] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 420.592466] ? __ww_mutex_check_waiters+0x160/0x160 [ 420.597496] __alloc_pages_slowpath+0x2354/0x2e10 [ 420.602352] ? warn_alloc+0x120/0x120 [ 420.606142] ? mark_held_locks+0x130/0x130 [ 420.610376] ? find_get_entry+0xaae/0x1120 [ 420.614614] ? filemap_map_pages+0x1a20/0x1a20 [ 420.619190] ? zap_class+0x640/0x640 [ 420.622909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.628437] ? check_preemption_disabled+0x48/0x280 [ 420.633445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.638974] ? should_fail+0x22d/0xd01 [ 420.642860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.647966] ? zap_class+0x640/0x640 [ 420.651693] ? __lock_is_held+0xb5/0x140 [ 420.655758] ? mark_held_locks+0x130/0x130 [ 420.660766] ? lock_release+0xa00/0xa00 [ 420.664730] ? perf_trace_sched_process_exec+0x860/0x860 [ 420.670173] ? xa_load+0x2ba/0x460 [ 420.673710] ? lock_downgrade+0x900/0x900 [ 420.677849] ? __might_sleep+0x95/0x190 [ 420.681823] __alloc_pages_nodemask+0xa80/0xde0 [ 420.686490] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 420.691498] ? __page_cache_alloc+0x191/0x5c0 [ 420.695988] ? xa_load+0x2e1/0x460 [ 420.699521] ? xa_clear_mark+0x40/0x40 [ 420.703403] ? zap_class+0x640/0x640 [ 420.707114] ? zap_class+0x640/0x640 [ 420.710820] ? zap_class+0x640/0x640 [ 420.714525] ? __do_page_cache_readahead+0x663/0x810 [ 420.719624] ? find_held_lock+0x36/0x1c0 [ 420.723683] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 420.729220] alloc_pages_current+0x173/0x350 [ 420.733624] __page_cache_alloc+0x38c/0x5c0 [ 420.737939] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.742862] ? kasan_check_read+0x11/0x20 [ 420.747035] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.752308] ? generic_perform_write+0x6a0/0x6a0 [ 420.757053] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.763054] ? check_preemption_disabled+0x48/0x280 [ 420.768070] filemap_fault+0x1595/0x25f0 [ 420.772139] ? __lock_page_or_retry+0xa00/0xa00 [ 420.776807] ? mark_held_locks+0x130/0x130 [ 420.781043] ? filemap_map_pages+0xd6b/0x1a20 [ 420.785548] ? lock_downgrade+0x900/0x900 [ 420.789688] ? check_preemption_disabled+0x48/0x280 [ 420.794700] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.799622] ? kasan_check_read+0x11/0x20 [ 420.803761] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.809031] ? rcu_softirq_qs+0x20/0x20 [ 420.813009] ? filemap_map_pages+0xd92/0x1a20 [ 420.817505] ? find_get_entries_tag+0x1400/0x1400 [ 420.822428] ? debug_object_destroy+0x2b0/0x2b0 [ 420.827092] ? lock_pi_update_atomic+0x150/0x150 [ 420.831844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.837394] ? lock_acquire+0x1ed/0x520 [ 420.841363] ? ext4_filemap_fault+0x7a/0xad [ 420.845684] ? lock_release+0xa00/0xa00 [ 420.849652] ? perf_trace_sched_process_exec+0x860/0x860 [ 420.855097] ? print_usage_bug+0xc0/0xc0 [ 420.859968] ? print_usage_bug+0xc0/0xc0 [ 420.864034] ? down_read+0x8d/0x120 [ 420.867656] ? ext4_filemap_fault+0x7a/0xad [ 420.871982] ? __down_interruptible+0x700/0x700 [ 420.876654] ext4_filemap_fault+0x82/0xad [ 420.880797] __do_fault+0x100/0x6b0 [ 420.884435] ? pmd_devmap_trans_unstable+0x220/0x220 [ 420.889538] ? mark_held_locks+0x130/0x130 [ 420.893768] ? mark_held_locks+0x130/0x130 [ 420.897994] ? do_raw_spin_trylock+0x270/0x270 [ 420.902578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.908110] __handle_mm_fault+0x3ea0/0x5be0 [ 420.912515] ? perf_trace_lock+0x7a0/0x7a0 [ 420.916749] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 420.921587] ? __switch_to_asm+0x34/0x70 [ 420.925639] ? __switch_to_asm+0x34/0x70 [ 420.929702] ? zap_class+0x640/0x640 [ 420.933411] ? zap_class+0x640/0x640 [ 420.937117] ? __x64_sys_futex+0x53e/0x6a0 [ 420.941345] ? find_held_lock+0x36/0x1c0 [ 420.945409] ? handle_mm_fault+0x42a/0xc70 [ 420.949638] ? lock_downgrade+0x900/0x900 [ 420.953776] ? check_preemption_disabled+0x48/0x280 [ 420.959521] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.964440] ? kasan_check_read+0x11/0x20 [ 420.968578] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.973845] ? rcu_softirq_qs+0x20/0x20 [ 420.977818] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.982916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.988444] ? check_preemption_disabled+0x48/0x280 [ 420.993456] handle_mm_fault+0x54f/0xc70 [ 420.997511] ? __handle_mm_fault+0x5be0/0x5be0 [ 421.002088] ? find_vma+0x34/0x190 [ 421.005624] __do_page_fault+0x5e8/0xe60 [ 421.009678] ? trace_hardirqs_off+0xb8/0x310 [ 421.014085] do_page_fault+0xf2/0x7e0 [ 421.017886] ? vmalloc_sync_all+0x30/0x30 [ 421.022025] ? error_entry+0x70/0xd0 [ 421.025735] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.030743] ? trace_hardirqs_on_caller+0xc0/0x310 [ 421.035681] ? syscall_return_slowpath+0x5e0/0x5e0 [ 421.040600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.045439] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.050546] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.055991] ? prepare_exit_to_usermode+0x291/0x3b0 [ 421.061791] ? page_fault+0x8/0x30 [ 421.065338] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.070174] ? page_fault+0x8/0x30 [ 421.073706] page_fault+0x1e/0x30 [ 421.077152] RIP: 0033:0x45ddf3 [ 421.080352] Code: Bad RIP value. [ 421.083709] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 421.089064] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 421.096322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 421.103580] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 421.110839] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 421.118108] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 421.125397] warn_alloc_show_mem: 1 callbacks suppressed [ 421.125406] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 421.125407] Mem-Info: [ 421.125435] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 421.125435] active_file:12 inactive_file:13 isolated_file:0 [ 421.125435] unevictable:0 dirty:0 writeback:0 unstable:0 [ 421.125435] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 421.125435] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 421.125435] free:13705 free_pcp:178 free_cma:0 [ 421.130770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.137516] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 421.139907] Call Trace: [ 421.173736] Node 0 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 [ 421.183090] dump_stack+0x244/0x39d [ 421.210727] lowmem_reserve[]: 0 2818 6321 6321 [ 421.213303] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.239379] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 421.243001] warn_alloc.cold.116+0xb7/0x1bd [ 421.247538] lowmem_reserve[]: 0 0 3503 3503 [ 421.252740] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.280725] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 421.285037] ? lock_downgrade+0x900/0x900 [ 421.289322] lowmem_reserve[]: 0 0 0 0 [ 421.294164] ? trace_hardirqs_off+0xb8/0x310 [ 421.323285] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 421.327426] ? trace_hardirqs_off+0xb8/0x310 [ 421.331194] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 421.335598] __alloc_pages_slowpath+0x26e8/0x2e10 [ 421.349078] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 421.353503] ? warn_alloc+0x120/0x120 [ 421.369472] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 421.374295] ? print_usage_bug+0xc0/0xc0 [ 421.388485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 421.392268] ? warn_alloc+0x120/0x120 [ 421.401072] 366 total pagecache pages [ 421.405118] ? warn_alloc+0x120/0x120 [ 421.413670] 0 pages in swap cache [ 421.417447] ? print_usage_bug+0xc0/0xc0 [ 421.421220] Swap cache stats: add 0, delete 0, find 0/0 [ 421.425009] ? print_usage_bug+0xc0/0xc0 [ 421.428429] Free swap = 0kB [ 421.432472] ? __lock_acquire+0x62f/0x4c20 [ 421.437805] Total swap = 0kB [ 421.441864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.444852] 1965979 pages RAM [ 421.444863] 0 pages HighMem/MovableOnly [ 421.449086] ? should_fail+0x22d/0xd01 [ 421.452070] 342854 pages reserved [ 421.452076] 0 pages cma reserved [ 421.457597] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.461604] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.465432] ? __lock_acquire+0x62f/0x4c20 [ 421.469290] syz-fuzzer cpuset=/ mems_allowed=0 [ 421.472725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.505195] ? __lock_acquire+0x62f/0x4c20 [ 421.509425] ? should_fail+0x22d/0xd01 [ 421.513304] ? find_held_lock+0x36/0x1c0 [ 421.517361] ? mark_held_locks+0x130/0x130 [ 421.521588] ? mark_held_locks+0x130/0x130 [ 421.525910] ? zap_class+0x640/0x640 [ 421.529622] ? mark_held_locks+0xc7/0x130 [ 421.533762] ? do_raw_spin_unlock+0xa7/0x330 [ 421.538160] ? zap_class+0x640/0x640 [ 421.541872] ? print_usage_bug+0xc0/0xc0 [ 421.545930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.551456] ? check_preemption_disabled+0x48/0x280 [ 421.556467] ? __lock_is_held+0xb5/0x140 [ 421.561868] __alloc_pages_nodemask+0xa80/0xde0 [ 421.566529] ? zap_class+0x640/0x640 [ 421.570236] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 421.575254] ? find_held_lock+0x36/0x1c0 [ 421.579317] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.583976] ? lock_downgrade+0x900/0x900 [ 421.588142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.593678] cache_grow_begin+0xa5/0x8c0 [ 421.597758] ? do_raw_spin_unlock+0xa7/0x330 [ 421.602165] fallback_alloc+0x204/0x2e0 [ 421.606135] ____cache_alloc_node+0x1c7/0x1e0 [ 421.610631] kmem_cache_alloc_node+0xe3/0x730 [ 421.615120] ? ipv6_get_ifaddr+0x42e/0x620 [ 421.619353] __alloc_skb+0x119/0x770 [ 421.623054] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.628324] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.632740] ? lock_downgrade+0x900/0x900 [ 421.636885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.642414] ? refcount_sub_and_test_checked+0x203/0x310 [ 421.647861] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 421.653303] ? addrconf_rs_timer+0x690/0x690 [ 421.657713] ndisc_alloc_skb+0x144/0x340 [ 421.662040] ndisc_send_rs+0x331/0x6e0 [ 421.665948] addrconf_rs_timer+0x314/0x690 [ 421.670181] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.674415] call_timer_fn+0x272/0x920 [ 421.678291] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.682526] ? process_timeout+0x40/0x40 [ 421.686585] ? __run_timers+0x7da/0xc70 [ 421.690551] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.695039] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.699534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.703759] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.708335] ? trace_hardirqs_on+0xbd/0x310 [ 421.712649] ? kasan_check_read+0x11/0x20 [ 421.716786] ? __run_timers+0x7da/0xc70 [ 421.720748] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.725863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.730094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.734319] __run_timers+0x7e5/0xc70 [ 421.738118] ? timer_fixup_init+0x70/0x70 [ 421.742252] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.746732] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.751218] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 421.755791] ? trace_hardirqs_on+0xbd/0x310 [ 421.760855] ? kasan_check_read+0x11/0x20 [ 421.764998] ? finish_task_switch+0x1f4/0x910 [ 421.769491] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.774585] ? compat_start_thread+0x80/0x80 [ 421.779005] ? pvclock_read_flags+0x160/0x160 [ 421.783492] ? __switch_to_asm+0x34/0x70 [ 421.787542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.793074] ? check_preemption_disabled+0x48/0x280 [ 421.798092] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 421.803622] ? rcu_pm_notify+0xc0/0xc0 [ 421.807503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.813029] ? check_preemption_disabled+0x48/0x280 [ 421.818041] run_timer_softirq+0x52/0xb0 [ 421.822093] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.827099] __do_softirq+0x308/0xb7e [ 421.830894] ? trace_hardirqs_on_caller+0xc0/0x310 [ 421.835833] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.840929] ? trace_hardirqs_on+0x310/0x310 [ 421.845336] ? schedule+0x108/0x460 [ 421.848962] ? trace_hardirqs_off+0xb8/0x310 [ 421.853364] ? smpboot_thread_fn+0x68b/0xa00 [ 421.857773] ? trace_hardirqs_on+0x310/0x310 [ 421.862532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.868063] ? check_preemption_disabled+0x48/0x280 [ 421.873091] ? takeover_tasklets+0xa90/0xa90 [ 421.877494] run_ksoftirqd+0x5e/0x100 [ 421.881286] smpboot_thread_fn+0x68b/0xa00 [ 421.885518] ? sort_range+0x30/0x30 [ 421.889144] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.894242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.899795] ? __kthread_parkme+0xfb/0x1a0 [ 421.904044] ? sort_range+0x30/0x30 [ 421.907663] kthread+0x35a/0x440 [ 421.911022] ? kthread_stop+0x900/0x900 [ 421.914991] ret_from_fork+0x3a/0x50 [ 421.918720] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 421.918786] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 421.925640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.925646] Call Trace: [ 421.925651] [ 421.925667] dump_stack+0x244/0x39d [ 421.925686] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.932449] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.941721] warn_alloc.cold.116+0xb7/0x1bd [ 421.944263] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 421.946402] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.979714] ? lock_downgrade+0x900/0x900 [ 421.983859] ? trace_hardirqs_off+0xb8/0x310 [ 421.988264] ? trace_hardirqs_off+0xb8/0x310 [ 421.992668] __alloc_pages_slowpath+0x26e8/0x2e10 [ 421.997528] ? warn_alloc+0x120/0x120 [ 422.001329] ? warn_alloc+0x120/0x120 [ 422.005139] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.010147] ? warn_alloc+0x120/0x120 [ 422.013942] ? print_usage_bug+0xc0/0xc0 [ 422.017999] ? print_usage_bug+0xc0/0xc0 [ 422.022052] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.027242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.032774] ? should_fail+0x22d/0xd01 [ 422.036664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.041760] ? __lock_acquire+0x62f/0x4c20 [ 422.045992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.051082] ? should_fail+0x22d/0xd01 [ 422.055058] ? mark_held_locks+0x130/0x130 [ 422.060063] ? mark_held_locks+0x130/0x130 [ 422.064294] ? print_usage_bug+0xc0/0xc0 [ 422.068355] ? find_held_lock+0x36/0x1c0 [ 422.072408] ? zap_class+0x640/0x640 [ 422.076122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.081651] ? check_preemption_disabled+0x48/0x280 [ 422.086669] ? __lock_is_held+0xb5/0x140 [ 422.090742] __alloc_pages_nodemask+0xa80/0xde0 [ 422.095406] ? zap_class+0x640/0x640 [ 422.099115] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 422.104133] ? find_held_lock+0x36/0x1c0 [ 422.108193] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.112853] ? lock_downgrade+0x900/0x900 [ 422.116999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.122533] cache_grow_begin+0xa5/0x8c0 [ 422.126664] ? do_raw_spin_unlock+0xa7/0x330 [ 422.131073] fallback_alloc+0x204/0x2e0 [ 422.135087] ____cache_alloc_node+0x1c7/0x1e0 [ 422.139574] kmem_cache_alloc_node+0xe3/0x730 [ 422.144057] ? mark_held_locks+0xc7/0x130 [ 422.148204] __alloc_skb+0x119/0x770 [ 422.151918] ? netdev_alloc_frag+0x1f0/0x1f0 [ 422.156335] ? do_raw_spin_trylock+0x270/0x270 [ 422.161708] ? kmem_cache_alloc_trace+0x353/0x750 [ 422.166562] ? queue_work_on+0x12c/0x1e0 [ 422.170624] ? switchdev_port_obj_del+0xdc/0x440 [ 422.175377] ? switchdev_trans_item_enqueue+0x260/0x260 [ 422.180737] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.185758] __br_mdb_notify+0x4ff/0x15d0 [ 422.189903] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.195010] ? __br_mdb_add+0x7f0/0x7f0 [ 422.198984] ? mark_held_locks+0x130/0x130 [ 422.203219] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.208318] ? debug_object_assert_init+0x368/0x4b0 [ 422.213331] ? debug_object_init_on_stack+0x20/0x20 [ 422.218340] ? zap_class+0x640/0x640 [ 422.222049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.227587] br_mdb_notify+0x310/0x410 [ 422.231466] ? br_mdb_dump+0x27b0/0x27b0 [ 422.235532] br_multicast_del_pg+0x3df/0x790 [ 422.239939] ? br_mdb_ip_get+0x940/0x940 [ 422.243988] ? rwlock_bug.part.2+0x90/0x90 [ 422.248222] ? __lock_is_held+0xb5/0x140 [ 422.252283] br_multicast_port_group_expired+0x189/0x1e0 [ 422.257733] call_timer_fn+0x272/0x920 [ 422.262387] ? br_multicast_del_pg+0x790/0x790 [ 422.266962] ? process_timeout+0x40/0x40 [ 422.271025] ? mark_held_locks+0xc7/0x130 [ 422.275179] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.279667] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.284155] ? br_multicast_del_pg+0x790/0x790 [ 422.288731] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.293310] ? trace_hardirqs_on+0xbd/0x310 [ 422.297631] ? kasan_check_read+0x11/0x20 [ 422.301768] ? __run_timers+0x7da/0xc70 [ 422.305744] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.310846] ? br_multicast_del_pg+0x790/0x790 [ 422.315424] ? br_multicast_del_pg+0x790/0x790 [ 422.320010] __run_timers+0x7e5/0xc70 [ 422.323815] ? timer_fixup_init+0x70/0x70 [ 422.327956] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.332965] ? zap_class+0x640/0x640 [ 422.336677] ? print_usage_bug+0xc0/0xc0 [ 422.340733] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.345924] ? find_held_lock+0x36/0x1c0 [ 422.349982] ? zap_class+0x640/0x640 [ 422.353688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.360303] ? check_preemption_disabled+0x48/0x280 [ 422.365324] ? __lock_is_held+0xb5/0x140 [ 422.369380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.374908] ? check_preemption_disabled+0x48/0x280 [ 422.379925] run_timer_softirq+0x52/0xb0 [ 422.383980] ? rcu_read_lock_sched_held+0x14f/0x180 [ 422.388993] __do_softirq+0x308/0xb7e [ 422.392800] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 422.397286] ? lock_downgrade+0x900/0x900 [ 422.401433] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 422.406538] ? pvclock_read_flags+0x160/0x160 [ 422.411043] ? lapic_next_event+0x5a/0x90 [ 422.415183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.420715] ? kvm_clock_read+0x18/0x30 [ 422.424682] ? kvm_sched_clock_read+0x9/0x20 [ 422.429079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.434605] ? check_preemption_disabled+0x48/0x280 [ 422.439619] irq_exit+0x17f/0x1c0 [ 422.443068] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.447902] ? smp_reschedule_interrupt+0x109/0x650 [ 422.452909] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.459781] ? interrupt_entry+0xb5/0xc0 [ 422.463841] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.468847] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.473859] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.478698] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.483706] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.488730] ? task_prio+0x50/0x50 [ 422.492353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.497886] ? check_preemption_disabled+0x48/0x280 [ 422.502896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.507737] apic_timer_interrupt+0xf/0x20 [ 422.511957] [ 422.514190] RIP: 0010:dump_stack+0x358/0x39d [ 422.518593] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 422.537486] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 422.545185] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 422.552447] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 422.560451] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 422.567712] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 422.574971] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 422.582246] ? dump_stack+0x34f/0x39d [ 422.586052] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.591240] ? mark_held_locks+0x130/0x130 [ 422.595468] ? mark_held_locks+0x130/0x130 [ 422.599697] dump_header+0x27b/0xf72 [ 422.603410] ? pagefault_out_of_memory+0x197/0x197 [ 422.608340] ? __lock_acquire+0x62f/0x4c20 [ 422.612565] ? percpu_ref_get_many+0x240/0x240 [ 422.617139] ? print_usage_bug+0xc0/0xc0 [ 422.621196] ? zap_class+0x640/0x640 [ 422.624920] ? print_usage_bug+0xc0/0xc0 [ 422.628973] ? print_usage_bug+0xc0/0xc0 [ 422.633029] ? zap_class+0x640/0x640 [ 422.636737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.642282] ? find_held_lock+0x36/0x1c0 [ 422.646343] ? mark_held_locks+0xc7/0x130 [ 422.650482] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.655573] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.661299] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 422.665894] ? trace_hardirqs_on+0xbd/0x310 [ 422.670210] ? kasan_check_read+0x11/0x20 [ 422.674347] ? ___ratelimit+0x3b4/0x672 [ 422.678311] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.683402] ? trace_hardirqs_on+0x310/0x310 [ 422.687802] ? lock_downgrade+0x900/0x900 [ 422.691943] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.697037] ? ___ratelimit+0x3b9/0x672 [ 422.701002] ? idr_get_free+0xf70/0xf70 [ 422.704969] ? find_held_lock+0x36/0x1c0 [ 422.709032] oom_kill_process.cold.27+0x10/0x903 [ 422.713782] ? zap_class+0x640/0x640 [ 422.717486] ? check_preemption_disabled+0x48/0x280 [ 422.722500] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.727419] ? kasan_check_read+0x11/0x20 [ 422.731560] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.736828] ? oom_evaluate_task+0x540/0x540 [ 422.741247] ? find_held_lock+0x36/0x1c0 [ 422.745307] ? out_of_memory+0x974/0x1430 [ 422.749450] ? lock_downgrade+0x900/0x900 [ 422.753590] ? check_preemption_disabled+0x48/0x280 [ 422.759412] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.764331] ? kasan_check_read+0x11/0x20 [ 422.768469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.773737] ? rcu_softirq_qs+0x20/0x20 [ 422.777713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.783240] ? oom_evaluate_task+0x302/0x540 [ 422.787648] out_of_memory+0xa84/0x1430 [ 422.791626] ? oom_killer_disable+0x3a0/0x3a0 [ 422.796114] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 422.801040] ? __ww_mutex_check_waiters+0x160/0x160 [ 422.806058] __alloc_pages_slowpath+0x2354/0x2e10 [ 422.810917] ? warn_alloc+0x120/0x120 [ 422.814710] ? mark_held_locks+0x130/0x130 [ 422.818942] ? find_get_entry+0xaae/0x1120 [ 422.823176] ? filemap_map_pages+0x1a20/0x1a20 [ 422.827761] ? zap_class+0x640/0x640 [ 422.831470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.837005] ? check_preemption_disabled+0x48/0x280 [ 422.842014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.847542] ? should_fail+0x22d/0xd01 [ 422.851423] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.856521] ? zap_class+0x640/0x640 [ 422.861083] ? __lock_is_held+0xb5/0x140 [ 422.865146] ? mark_held_locks+0x130/0x130 [ 422.869391] ? lock_release+0xa00/0xa00 [ 422.873361] ? perf_trace_sched_process_exec+0x860/0x860 [ 422.878801] ? xa_load+0x2ba/0x460 [ 422.882339] ? lock_downgrade+0x900/0x900 [ 422.886487] ? __might_sleep+0x95/0x190 [ 422.890471] __alloc_pages_nodemask+0xa80/0xde0 [ 422.895136] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 422.900145] ? __page_cache_alloc+0x191/0x5c0 [ 422.904631] ? xa_load+0x2e1/0x460 [ 422.908185] ? xa_clear_mark+0x40/0x40 [ 422.912070] ? zap_class+0x640/0x640 [ 422.915789] ? zap_class+0x640/0x640 [ 422.919493] ? zap_class+0x640/0x640 [ 422.923198] ? __do_page_cache_readahead+0x663/0x810 [ 422.928300] ? find_held_lock+0x36/0x1c0 [ 422.932355] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 422.937889] alloc_pages_current+0x173/0x350 [ 422.942294] __page_cache_alloc+0x38c/0x5c0 [ 422.946607] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.951529] ? kasan_check_read+0x11/0x20 [ 422.955765] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.961992] ? generic_perform_write+0x6a0/0x6a0 [ 422.966757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.972292] ? check_preemption_disabled+0x48/0x280 [ 422.977305] filemap_fault+0x1595/0x25f0 [ 422.981368] ? __lock_page_or_retry+0xa00/0xa00 [ 422.986032] ? mark_held_locks+0x130/0x130 [ 422.990276] ? filemap_map_pages+0xd6b/0x1a20 [ 422.994764] ? lock_downgrade+0x900/0x900 [ 422.998903] ? check_preemption_disabled+0x48/0x280 [ 423.003911] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.008832] ? kasan_check_read+0x11/0x20 [ 423.012973] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.018244] ? rcu_softirq_qs+0x20/0x20 [ 423.022224] ? filemap_map_pages+0xd92/0x1a20 [ 423.026725] ? find_get_entries_tag+0x1400/0x1400 [ 423.031569] ? debug_object_destroy+0x2b0/0x2b0 [ 423.036229] ? lock_pi_update_atomic+0x150/0x150 [ 423.040981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.046530] ? lock_acquire+0x1ed/0x520 [ 423.050495] ? ext4_filemap_fault+0x7a/0xad [ 423.054814] ? lock_release+0xa00/0xa00 [ 423.059554] ? perf_trace_sched_process_exec+0x860/0x860 [ 423.064998] ? print_usage_bug+0xc0/0xc0 [ 423.069054] ? print_usage_bug+0xc0/0xc0 [ 423.073120] ? down_read+0x8d/0x120 [ 423.076743] ? ext4_filemap_fault+0x7a/0xad [ 423.081059] ? __down_interruptible+0x700/0x700 [ 423.085739] ext4_filemap_fault+0x82/0xad [ 423.089886] __do_fault+0x100/0x6b0 [ 423.093515] ? pmd_devmap_trans_unstable+0x220/0x220 [ 423.098615] ? mark_held_locks+0x130/0x130 [ 423.102842] ? mark_held_locks+0x130/0x130 [ 423.107070] ? do_raw_spin_trylock+0x270/0x270 [ 423.111657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.117192] __handle_mm_fault+0x3ea0/0x5be0 [ 423.121598] ? perf_trace_lock+0x7a0/0x7a0 [ 423.125836] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 423.130681] ? __switch_to_asm+0x34/0x70 [ 423.134749] ? __switch_to_asm+0x34/0x70 [ 423.138821] ? zap_class+0x640/0x640 [ 423.142527] ? zap_class+0x640/0x640 [ 423.146236] ? __x64_sys_futex+0x53e/0x6a0 [ 423.150483] ? find_held_lock+0x36/0x1c0 [ 423.154545] ? handle_mm_fault+0x42a/0xc70 [ 423.159552] ? lock_downgrade+0x900/0x900 [ 423.163696] ? check_preemption_disabled+0x48/0x280 [ 423.168715] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.173646] ? kasan_check_read+0x11/0x20 [ 423.177785] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.183056] ? rcu_softirq_qs+0x20/0x20 [ 423.187023] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.192208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.197753] ? check_preemption_disabled+0x48/0x280 [ 423.202792] handle_mm_fault+0x54f/0xc70 [ 423.206849] ? __handle_mm_fault+0x5be0/0x5be0 [ 423.211425] ? find_vma+0x34/0x190 [ 423.214961] __do_page_fault+0x5e8/0xe60 [ 423.219012] ? trace_hardirqs_off+0xb8/0x310 [ 423.223419] do_page_fault+0xf2/0x7e0 [ 423.227212] ? vmalloc_sync_all+0x30/0x30 [ 423.231356] ? error_entry+0x70/0xd0 [ 423.235067] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.240073] ? trace_hardirqs_on_caller+0xc0/0x310 [ 423.244994] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.249921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.254758] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.260758] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.266199] ? prepare_exit_to_usermode+0x291/0x3b0 [ 423.271205] ? page_fault+0x8/0x30 [ 423.274744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.279580] ? page_fault+0x8/0x30 [ 423.283238] page_fault+0x1e/0x30 [ 423.286687] RIP: 0033:0x45ddf3 [ 423.289889] Code: Bad RIP value. [ 423.293249] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 423.298604] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 423.305947] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 423.313206] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 423.320469] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 423.327741] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 423.335025] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 423.335029] warn_alloc_show_mem: 1 callbacks suppressed [ 423.335035] Mem-Info: [ 423.341779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.347135] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 423.347135] active_file:12 inactive_file:13 isolated_file:0 [ 423.347135] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.347135] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 423.347135] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 423.347135] free:13705 free_pcp:178 free_cma:0 [ 423.349497] Call Trace: [ 423.359826] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 423.392672] dump_stack+0x244/0x39d [ 423.395229] Node 0 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 [ 423.422885] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.426477] lowmem_reserve[]: 0 2818 6321 6321 [ 423.452583] warn_alloc.cold.116+0xb7/0x1bd [ 423.458242] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 423.462811] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.467099] lowmem_reserve[]: 0 0 3503 3503 [ 423.495262] ? lock_downgrade+0x900/0x900 [ 423.500074] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 423.504387] ? trace_hardirqs_off+0xb8/0x310 [ 423.508493] lowmem_reserve[]: 0 0 0 0 [ 423.537461] ? trace_hardirqs_off+0xb8/0x310 [ 423.541837] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 423.545631] __alloc_pages_slowpath+0x26e8/0x2e10 [ 423.550003] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 423.563864] ? warn_alloc+0x120/0x120 [ 423.568655] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 423.583910] ? print_usage_bug+0xc0/0xc0 [ 423.587682] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 423.601884] ? warn_alloc+0x120/0x120 [ 423.605919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 423.614740] ? warn_alloc+0x120/0x120 [ 423.618512] 366 total pagecache pages [ 423.627073] ? print_usage_bug+0xc0/0xc0 [ 423.630853] 0 pages in swap cache [ 423.634632] ? print_usage_bug+0xc0/0xc0 [ 423.638663] Swap cache stats: add 0, delete 0, find 0/0 [ 423.642096] ? __lock_acquire+0x62f/0x4c20 [ 423.646127] Free swap = 0kB [ 423.651475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.655685] Total swap = 0kB [ 423.659007] ? should_fail+0x22d/0xd01 [ 423.664515] 1965979 pages RAM [ 423.667521] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.671374] 0 pages HighMem/MovableOnly [ 423.671381] 342854 pages reserved [ 423.674487] ? __lock_acquire+0x62f/0x4c20 [ 423.679557] 0 pages cma reserved [ 423.683535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.687083] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.691173] ? __lock_acquire+0x62f/0x4c20 [ 423.694510] syz-fuzzer cpuset=/ mems_allowed=0 [ 423.699592] ? should_fail+0x22d/0xd01 [ 423.699606] ? find_held_lock+0x36/0x1c0 [ 423.726493] ? mark_held_locks+0x130/0x130 [ 423.730731] ? mark_held_locks+0x130/0x130 [ 423.734970] ? zap_class+0x640/0x640 [ 423.738675] ? mark_held_locks+0xc7/0x130 [ 423.742838] ? do_raw_spin_unlock+0xa7/0x330 [ 423.747237] ? zap_class+0x640/0x640 [ 423.750944] ? print_usage_bug+0xc0/0xc0 [ 423.754998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.761344] ? check_preemption_disabled+0x48/0x280 [ 423.766362] ? __lock_is_held+0xb5/0x140 [ 423.770417] __alloc_pages_nodemask+0xa80/0xde0 [ 423.775090] ? zap_class+0x640/0x640 [ 423.778802] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 423.783839] ? find_held_lock+0x36/0x1c0 [ 423.787904] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.792568] ? lock_downgrade+0x900/0x900 [ 423.796719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.802251] cache_grow_begin+0xa5/0x8c0 [ 423.806325] ? do_raw_spin_unlock+0xa7/0x330 [ 423.810759] fallback_alloc+0x204/0x2e0 [ 423.814731] ____cache_alloc_node+0x1c7/0x1e0 [ 423.819224] kmem_cache_alloc_node+0xe3/0x730 [ 423.823723] ? ipv6_get_ifaddr+0x42e/0x620 [ 423.827973] __alloc_skb+0x119/0x770 [ 423.831692] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.836968] ? netdev_alloc_frag+0x1f0/0x1f0 [ 423.841368] ? lock_downgrade+0x900/0x900 [ 423.845513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.851128] ? refcount_sub_and_test_checked+0x203/0x310 [ 423.856576] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 423.862366] ? addrconf_rs_timer+0x690/0x690 [ 423.866793] ndisc_alloc_skb+0x144/0x340 [ 423.870861] ndisc_send_rs+0x331/0x6e0 [ 423.874741] addrconf_rs_timer+0x314/0x690 [ 423.879430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.883670] call_timer_fn+0x272/0x920 [ 423.887658] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.891900] ? process_timeout+0x40/0x40 [ 423.895963] ? __run_timers+0x7da/0xc70 [ 423.899931] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.904417] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.908900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.913126] ? lockdep_hardirqs_on+0x296/0x5b0 [ 423.917710] ? trace_hardirqs_on+0xbd/0x310 [ 423.922028] ? kasan_check_read+0x11/0x20 [ 423.926172] ? __run_timers+0x7da/0xc70 [ 423.930318] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.935421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.939649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.943875] __run_timers+0x7e5/0xc70 [ 423.947683] ? timer_fixup_init+0x70/0x70 [ 423.951832] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.956318] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.961119] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 423.965706] ? trace_hardirqs_on+0xbd/0x310 [ 423.970032] ? kasan_check_read+0x11/0x20 [ 423.974172] ? finish_task_switch+0x1f4/0x910 [ 423.978662] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.983772] ? compat_start_thread+0x80/0x80 [ 423.988193] ? pvclock_read_flags+0x160/0x160 [ 423.992698] ? __switch_to_asm+0x34/0x70 [ 423.996751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.002283] ? check_preemption_disabled+0x48/0x280 [ 424.007309] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 424.012836] ? rcu_pm_notify+0xc0/0xc0 [ 424.016713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.022250] ? check_preemption_disabled+0x48/0x280 [ 424.027269] run_timer_softirq+0x52/0xb0 [ 424.031324] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.036335] __do_softirq+0x308/0xb7e [ 424.040132] ? trace_hardirqs_on_caller+0xc0/0x310 [ 424.045058] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.050153] ? trace_hardirqs_on+0x310/0x310 [ 424.054562] ? schedule+0x108/0x460 [ 424.058491] ? trace_hardirqs_off+0xb8/0x310 [ 424.062977] ? smpboot_thread_fn+0x68b/0xa00 [ 424.067378] ? trace_hardirqs_on+0x310/0x310 [ 424.071785] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.077317] ? check_preemption_disabled+0x48/0x280 [ 424.082412] ? takeover_tasklets+0xa90/0xa90 [ 424.086813] run_ksoftirqd+0x5e/0x100 [ 424.090621] smpboot_thread_fn+0x68b/0xa00 [ 424.094850] ? sort_range+0x30/0x30 [ 424.098469] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.103567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.109098] ? __kthread_parkme+0xfb/0x1a0 [ 424.113327] ? sort_range+0x30/0x30 [ 424.116947] kthread+0x35a/0x440 [ 424.120303] ? kthread_stop+0x900/0x900 [ 424.124269] ret_from_fork+0x3a/0x50 [ 424.127987] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 424.128069] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 424.134909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.134913] Call Trace: [ 424.134919] [ 424.134954] dump_stack+0x244/0x39d [ 424.134973] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.141504] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.150784] warn_alloc.cold.116+0xb7/0x1bd [ 424.153330] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 424.155469] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.188596] ? lock_downgrade+0x900/0x900 [ 424.192745] ? trace_hardirqs_off+0xb8/0x310 [ 424.197152] ? trace_hardirqs_off+0xb8/0x310 [ 424.201566] __alloc_pages_slowpath+0x26e8/0x2e10 [ 424.206426] ? warn_alloc+0x120/0x120 [ 424.210225] ? warn_alloc+0x120/0x120 [ 424.214021] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.219032] ? warn_alloc+0x120/0x120 [ 424.222826] ? print_usage_bug+0xc0/0xc0 [ 424.226882] ? print_usage_bug+0xc0/0xc0 [ 424.230934] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 424.236123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.241647] ? should_fail+0x22d/0xd01 [ 424.245544] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.250640] ? __lock_acquire+0x62f/0x4c20 [ 424.254880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.260783] ? should_fail+0x22d/0xd01 [ 424.264687] ? mark_held_locks+0x130/0x130 [ 424.268930] ? mark_held_locks+0x130/0x130 [ 424.273235] ? print_usage_bug+0xc0/0xc0 [ 424.277296] ? find_held_lock+0x36/0x1c0 [ 424.281349] ? zap_class+0x640/0x640 [ 424.285176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.290710] ? check_preemption_disabled+0x48/0x280 [ 424.295729] ? __lock_is_held+0xb5/0x140 [ 424.299788] __alloc_pages_nodemask+0xa80/0xde0 [ 424.304447] ? zap_class+0x640/0x640 [ 424.308161] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 424.313188] ? find_held_lock+0x36/0x1c0 [ 424.317252] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.321916] ? lock_downgrade+0x900/0x900 [ 424.326062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.331596] cache_grow_begin+0xa5/0x8c0 [ 424.335666] ? do_raw_spin_unlock+0xa7/0x330 [ 424.340089] fallback_alloc+0x204/0x2e0 [ 424.344062] ____cache_alloc_node+0x1c7/0x1e0 [ 424.348551] kmem_cache_alloc_node+0xe3/0x730 [ 424.353037] ? mark_held_locks+0xc7/0x130 [ 424.357189] __alloc_skb+0x119/0x770 [ 424.361657] ? netdev_alloc_frag+0x1f0/0x1f0 [ 424.366061] ? do_raw_spin_trylock+0x270/0x270 [ 424.370638] ? kmem_cache_alloc_trace+0x353/0x750 [ 424.375482] ? queue_work_on+0x12c/0x1e0 [ 424.379544] ? switchdev_port_obj_del+0xdc/0x440 [ 424.384310] ? switchdev_trans_item_enqueue+0x260/0x260 [ 424.389675] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 424.394695] __br_mdb_notify+0x4ff/0x15d0 [ 424.398833] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.403939] ? __br_mdb_add+0x7f0/0x7f0 [ 424.407913] ? mark_held_locks+0x130/0x130 [ 424.412144] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.417246] ? debug_object_assert_init+0x368/0x4b0 [ 424.422257] ? debug_object_init_on_stack+0x20/0x20 [ 424.427264] ? zap_class+0x640/0x640 [ 424.430973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.436509] br_mdb_notify+0x310/0x410 [ 424.440393] ? br_mdb_dump+0x27b0/0x27b0 [ 424.444486] br_multicast_del_pg+0x3df/0x790 [ 424.448897] ? br_mdb_ip_get+0x940/0x940 [ 424.452948] ? rwlock_bug.part.2+0x90/0x90 [ 424.457179] ? __lock_is_held+0xb5/0x140 [ 424.461995] br_multicast_port_group_expired+0x189/0x1e0 [ 424.467536] call_timer_fn+0x272/0x920 [ 424.471416] ? br_multicast_del_pg+0x790/0x790 [ 424.476012] ? process_timeout+0x40/0x40 [ 424.480083] ? mark_held_locks+0xc7/0x130 [ 424.484220] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.488708] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.493190] ? br_multicast_del_pg+0x790/0x790 [ 424.497766] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.502420] ? trace_hardirqs_on+0xbd/0x310 [ 424.506754] ? kasan_check_read+0x11/0x20 [ 424.510893] ? __run_timers+0x7da/0xc70 [ 424.514861] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.519964] ? br_multicast_del_pg+0x790/0x790 [ 424.524546] ? br_multicast_del_pg+0x790/0x790 [ 424.529116] __run_timers+0x7e5/0xc70 [ 424.532920] ? timer_fixup_init+0x70/0x70 [ 424.537058] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.542066] ? zap_class+0x640/0x640 [ 424.545772] ? print_usage_bug+0xc0/0xc0 [ 424.549827] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 424.555029] ? find_held_lock+0x36/0x1c0 [ 424.560075] ? zap_class+0x640/0x640 [ 424.563789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.569319] ? check_preemption_disabled+0x48/0x280 [ 424.574339] ? __lock_is_held+0xb5/0x140 [ 424.578395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.583923] ? check_preemption_disabled+0x48/0x280 [ 424.588933] run_timer_softirq+0x52/0xb0 [ 424.592986] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.597999] __do_softirq+0x308/0xb7e [ 424.601798] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 424.606300] ? lock_downgrade+0x900/0x900 [ 424.610454] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.615552] ? pvclock_read_flags+0x160/0x160 [ 424.620037] ? lapic_next_event+0x5a/0x90 [ 424.624177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.629714] ? kvm_clock_read+0x18/0x30 [ 424.633680] ? kvm_sched_clock_read+0x9/0x20 [ 424.638080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.643607] ? check_preemption_disabled+0x48/0x280 [ 424.648619] irq_exit+0x17f/0x1c0 [ 424.652065] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.656895] ? smp_reschedule_interrupt+0x109/0x650 [ 424.662849] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.668730] ? interrupt_entry+0xb5/0xc0 [ 424.672787] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.677796] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.682804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.687642] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.692661] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.697686] ? task_prio+0x50/0x50 [ 424.701222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.706753] ? check_preemption_disabled+0x48/0x280 [ 424.711767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.716610] apic_timer_interrupt+0xf/0x20 [ 424.720841] [ 424.723069] RIP: 0010:dump_stack+0x358/0x39d [ 424.727470] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 424.746361] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 424.754064] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 424.762125] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 424.769390] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 424.776647] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 424.783907] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 424.791193] ? dump_stack+0x34f/0x39d [ 424.795008] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.800190] ? mark_held_locks+0x130/0x130 [ 424.804419] ? mark_held_locks+0x130/0x130 [ 424.808654] dump_header+0x27b/0xf72 [ 424.812376] ? pagefault_out_of_memory+0x197/0x197 [ 424.817302] ? __lock_acquire+0x62f/0x4c20 [ 424.821531] ? percpu_ref_get_many+0x240/0x240 [ 424.826113] ? print_usage_bug+0xc0/0xc0 [ 424.830173] ? zap_class+0x640/0x640 [ 424.833880] ? print_usage_bug+0xc0/0xc0 [ 424.837932] ? print_usage_bug+0xc0/0xc0 [ 424.841986] ? zap_class+0x640/0x640 [ 424.845697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.851230] ? find_held_lock+0x36/0x1c0 [ 424.855288] ? mark_held_locks+0xc7/0x130 [ 424.860397] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.865496] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.870594] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 424.875173] ? trace_hardirqs_on+0xbd/0x310 [ 424.879487] ? kasan_check_read+0x11/0x20 [ 424.883635] ? ___ratelimit+0x3b4/0x672 [ 424.887603] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.892710] ? trace_hardirqs_on+0x310/0x310 [ 424.897111] ? lock_downgrade+0x900/0x900 [ 424.901263] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.906363] ? ___ratelimit+0x3b9/0x672 [ 424.910330] ? idr_get_free+0xf70/0xf70 [ 424.914295] ? find_held_lock+0x36/0x1c0 [ 424.918367] oom_kill_process.cold.27+0x10/0x903 [ 424.923116] ? zap_class+0x640/0x640 [ 424.926829] ? check_preemption_disabled+0x48/0x280 [ 424.931953] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.936867] ? kasan_check_read+0x11/0x20 [ 424.941000] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.946265] ? oom_evaluate_task+0x540/0x540 [ 424.950664] ? find_held_lock+0x36/0x1c0 [ 424.954719] ? out_of_memory+0x974/0x1430 [ 424.959623] ? lock_downgrade+0x900/0x900 [ 424.963767] ? check_preemption_disabled+0x48/0x280 [ 424.968777] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.973700] ? kasan_check_read+0x11/0x20 [ 424.977838] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.983114] ? rcu_softirq_qs+0x20/0x20 [ 424.987088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.992619] ? oom_evaluate_task+0x302/0x540 [ 424.997024] out_of_memory+0xa84/0x1430 [ 425.001011] ? oom_killer_disable+0x3a0/0x3a0 [ 425.005500] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 425.010424] ? __ww_mutex_check_waiters+0x160/0x160 [ 425.015543] __alloc_pages_slowpath+0x2354/0x2e10 [ 425.020398] ? warn_alloc+0x120/0x120 [ 425.024192] ? mark_held_locks+0x130/0x130 [ 425.028424] ? find_get_entry+0xaae/0x1120 [ 425.032660] ? filemap_map_pages+0x1a20/0x1a20 [ 425.037245] ? zap_class+0x640/0x640 [ 425.040957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.046484] ? check_preemption_disabled+0x48/0x280 [ 425.051504] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.057033] ? should_fail+0x22d/0xd01 [ 425.061867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.066961] ? zap_class+0x640/0x640 [ 425.070687] ? __lock_is_held+0xb5/0x140 [ 425.074768] ? mark_held_locks+0x130/0x130 [ 425.078999] ? lock_release+0xa00/0xa00 [ 425.082968] ? perf_trace_sched_process_exec+0x860/0x860 [ 425.088411] ? xa_load+0x2ba/0x460 [ 425.091940] ? lock_downgrade+0x900/0x900 [ 425.096087] ? __might_sleep+0x95/0x190 [ 425.100062] __alloc_pages_nodemask+0xa80/0xde0 [ 425.104729] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 425.109736] ? __page_cache_alloc+0x191/0x5c0 [ 425.114223] ? xa_load+0x2e1/0x460 [ 425.117756] ? xa_clear_mark+0x40/0x40 [ 425.121641] ? zap_class+0x640/0x640 [ 425.125352] ? zap_class+0x640/0x640 [ 425.129058] ? zap_class+0x640/0x640 [ 425.132769] ? __do_page_cache_readahead+0x663/0x810 [ 425.137880] ? find_held_lock+0x36/0x1c0 [ 425.141940] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 425.147478] alloc_pages_current+0x173/0x350 [ 425.151880] __page_cache_alloc+0x38c/0x5c0 [ 425.156188] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.162105] ? kasan_check_read+0x11/0x20 [ 425.166244] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.171520] ? generic_perform_write+0x6a0/0x6a0 [ 425.176270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.181800] ? check_preemption_disabled+0x48/0x280 [ 425.186817] filemap_fault+0x1595/0x25f0 [ 425.190881] ? __lock_page_or_retry+0xa00/0xa00 [ 425.195546] ? mark_held_locks+0x130/0x130 [ 425.199783] ? filemap_map_pages+0xd6b/0x1a20 [ 425.204271] ? lock_downgrade+0x900/0x900 [ 425.208414] ? check_preemption_disabled+0x48/0x280 [ 425.213429] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.218353] ? kasan_check_read+0x11/0x20 [ 425.222494] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.227782] ? rcu_softirq_qs+0x20/0x20 [ 425.231759] ? filemap_map_pages+0xd92/0x1a20 [ 425.236260] ? find_get_entries_tag+0x1400/0x1400 [ 425.241096] ? debug_object_destroy+0x2b0/0x2b0 [ 425.245769] ? lock_pi_update_atomic+0x150/0x150 [ 425.250517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.256055] ? lock_acquire+0x1ed/0x520 [ 425.260975] ? ext4_filemap_fault+0x7a/0xad [ 425.265293] ? lock_release+0xa00/0xa00 [ 425.269257] ? perf_trace_sched_process_exec+0x860/0x860 [ 425.274701] ? print_usage_bug+0xc0/0xc0 [ 425.278764] ? print_usage_bug+0xc0/0xc0 [ 425.282824] ? down_read+0x8d/0x120 [ 425.286438] ? ext4_filemap_fault+0x7a/0xad [ 425.290754] ? __down_interruptible+0x700/0x700 [ 425.295424] ext4_filemap_fault+0x82/0xad [ 425.299564] __do_fault+0x100/0x6b0 [ 425.303198] ? pmd_devmap_trans_unstable+0x220/0x220 [ 425.308297] ? mark_held_locks+0x130/0x130 [ 425.312526] ? mark_held_locks+0x130/0x130 [ 425.316751] ? do_raw_spin_trylock+0x270/0x270 [ 425.321330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.326863] __handle_mm_fault+0x3ea0/0x5be0 [ 425.331267] ? perf_trace_lock+0x7a0/0x7a0 [ 425.335498] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 425.340343] ? __switch_to_asm+0x34/0x70 [ 425.344423] ? __switch_to_asm+0x34/0x70 [ 425.348487] ? zap_class+0x640/0x640 [ 425.352191] ? zap_class+0x640/0x640 [ 425.355893] ? __x64_sys_futex+0x53e/0x6a0 [ 425.361068] ? find_held_lock+0x36/0x1c0 [ 425.365132] ? handle_mm_fault+0x42a/0xc70 [ 425.369360] ? lock_downgrade+0x900/0x900 [ 425.373499] ? check_preemption_disabled+0x48/0x280 [ 425.378513] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.383436] ? kasan_check_read+0x11/0x20 [ 425.387584] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.392851] ? rcu_softirq_qs+0x20/0x20 [ 425.396817] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.401915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.407447] ? check_preemption_disabled+0x48/0x280 [ 425.412463] handle_mm_fault+0x54f/0xc70 [ 425.416522] ? __handle_mm_fault+0x5be0/0x5be0 [ 425.421120] ? find_vma+0x34/0x190 [ 425.424675] __do_page_fault+0x5e8/0xe60 [ 425.428729] ? trace_hardirqs_off+0xb8/0x310 [ 425.433142] do_page_fault+0xf2/0x7e0 [ 425.436935] ? vmalloc_sync_all+0x30/0x30 [ 425.441079] ? error_entry+0x70/0xd0 [ 425.444792] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.449803] ? trace_hardirqs_on_caller+0xc0/0x310 [ 425.454726] ? syscall_return_slowpath+0x5e0/0x5e0 [ 425.460449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.465284] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.470289] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.475734] ? prepare_exit_to_usermode+0x291/0x3b0 [ 425.480745] ? page_fault+0x8/0x30 [ 425.484285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.489125] ? page_fault+0x8/0x30 [ 425.492658] page_fault+0x1e/0x30 [ 425.496103] RIP: 0033:0x45ddf3 [ 425.499300] Code: Bad RIP value. [ 425.502653] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 425.508006] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 425.515267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 425.522526] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 425.529810] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 425.537081] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 425.544367] warn_alloc_show_mem: 1 callbacks suppressed [ 425.544376] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 425.544377] Mem-Info: [ 425.544409] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 425.544409] active_file:12 inactive_file:13 isolated_file:0 [ 425.544409] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.544409] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 425.544409] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 425.544409] free:13705 free_pcp:178 free_cma:0 [ 425.549733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.549738] Call Trace: [ 425.556486] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 425.559194] dump_stack+0x244/0x39d [ 425.592044] Node 0 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 [ 425.601390] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.603942] lowmem_reserve[]: 0 2818 6321 6321 [ 425.631615] warn_alloc.cold.116+0xb7/0x1bd [ 425.635208] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 425.661612] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.666764] lowmem_reserve[]: 0 0 3503 3503 [ 425.671343] ? lock_downgrade+0x900/0x900 [ 425.675635] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 425.703124] ? trace_hardirqs_off+0xb8/0x310 [ 425.707925] lowmem_reserve[]: 0 0 0 0 [ 425.712242] ? trace_hardirqs_off+0xb8/0x310 [ 425.716359] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 425.745330] __alloc_pages_slowpath+0x26e8/0x2e10 [ 425.749701] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 425.753513] ? warn_alloc+0x120/0x120 [ 425.758848] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 425.772835] ? print_usage_bug+0xc0/0xc0 [ 425.777654] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 425.792978] ? warn_alloc+0x120/0x120 [ 425.796753] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 425.810965] ? warn_alloc+0x120/0x120 [ 425.814994] 366 total pagecache pages [ 425.823811] ? print_usage_bug+0xc0/0xc0 [ 425.827586] 0 pages in swap cache [ 425.836139] ? print_usage_bug+0xc0/0xc0 [ 425.839908] Swap cache stats: add 0, delete 0, find 0/0 [ 425.843688] ? __lock_acquire+0x62f/0x4c20 [ 425.847715] Free swap = 0kB [ 425.851155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.855179] Total swap = 0kB [ 425.860852] ? should_fail+0x22d/0xd01 [ 425.865052] 1965979 pages RAM [ 425.868058] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.873566] 0 pages HighMem/MovableOnly [ 425.873574] 342854 pages reserved [ 425.876584] ? __lock_acquire+0x62f/0x4c20 [ 425.880441] 0 pages cma reserved [ 425.883533] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.888743] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.892576] ? __lock_acquire+0x62f/0x4c20 [ 425.895998] syz-fuzzer cpuset=/ mems_allowed=0 [ 425.900214] ? should_fail+0x22d/0xd01 [ 425.900228] ? find_held_lock+0x36/0x1c0 [ 425.935767] ? mark_held_locks+0x130/0x130 [ 425.939995] ? mark_held_locks+0x130/0x130 [ 425.944218] ? zap_class+0x640/0x640 [ 425.947928] ? mark_held_locks+0xc7/0x130 [ 425.952068] ? do_raw_spin_unlock+0xa7/0x330 [ 425.956470] ? zap_class+0x640/0x640 [ 425.960449] ? print_usage_bug+0xc0/0xc0 [ 425.964505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.970041] ? check_preemption_disabled+0x48/0x280 [ 425.975059] ? __lock_is_held+0xb5/0x140 [ 425.979120] __alloc_pages_nodemask+0xa80/0xde0 [ 425.983799] ? zap_class+0x640/0x640 [ 425.987515] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 425.992551] ? find_held_lock+0x36/0x1c0 [ 425.996617] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.001280] ? lock_downgrade+0x900/0x900 [ 426.005434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.011083] cache_grow_begin+0xa5/0x8c0 [ 426.015136] ? do_raw_spin_unlock+0xa7/0x330 [ 426.019587] fallback_alloc+0x204/0x2e0 [ 426.023575] ____cache_alloc_node+0x1c7/0x1e0 [ 426.028077] kmem_cache_alloc_node+0xe3/0x730 [ 426.032586] ? ipv6_get_ifaddr+0x42e/0x620 [ 426.036823] __alloc_skb+0x119/0x770 [ 426.040529] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.045813] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.050215] ? lock_downgrade+0x900/0x900 [ 426.054365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.060202] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.065651] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.071093] ? addrconf_rs_timer+0x690/0x690 [ 426.075505] ndisc_alloc_skb+0x144/0x340 [ 426.079573] ndisc_send_rs+0x331/0x6e0 [ 426.083457] addrconf_rs_timer+0x314/0x690 [ 426.087688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.091958] call_timer_fn+0x272/0x920 [ 426.095840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.100068] ? process_timeout+0x40/0x40 [ 426.104125] ? __run_timers+0x7da/0xc70 [ 426.108092] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.112589] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.117072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.121298] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.125878] ? trace_hardirqs_on+0xbd/0x310 [ 426.130193] ? kasan_check_read+0x11/0x20 [ 426.134330] ? __run_timers+0x7da/0xc70 [ 426.138297] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.143408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.147639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.151952] __run_timers+0x7e5/0xc70 [ 426.155766] ? timer_fixup_init+0x70/0x70 [ 426.160185] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.164674] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.169163] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 426.173827] ? trace_hardirqs_on+0xbd/0x310 [ 426.178141] ? kasan_check_read+0x11/0x20 [ 426.182284] ? finish_task_switch+0x1f4/0x910 [ 426.186774] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.191874] ? compat_start_thread+0x80/0x80 [ 426.196297] ? pvclock_read_flags+0x160/0x160 [ 426.200790] ? __switch_to_asm+0x34/0x70 [ 426.204842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.210369] ? check_preemption_disabled+0x48/0x280 [ 426.215387] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 426.220916] ? rcu_pm_notify+0xc0/0xc0 [ 426.224810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.230348] ? check_preemption_disabled+0x48/0x280 [ 426.235361] run_timer_softirq+0x52/0xb0 [ 426.239412] ? rcu_read_lock_sched_held+0x14f/0x180 [ 426.244419] __do_softirq+0x308/0xb7e [ 426.248225] ? trace_hardirqs_on_caller+0xc0/0x310 [ 426.253150] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 426.258548] ? trace_hardirqs_on+0x310/0x310 [ 426.262953] ? schedule+0x108/0x460 [ 426.266587] ? trace_hardirqs_off+0xb8/0x310 [ 426.270990] ? smpboot_thread_fn+0x68b/0xa00 [ 426.275390] ? trace_hardirqs_on+0x310/0x310 [ 426.279794] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.285325] ? check_preemption_disabled+0x48/0x280 [ 426.290334] ? takeover_tasklets+0xa90/0xa90 [ 426.294733] run_ksoftirqd+0x5e/0x100 [ 426.298532] smpboot_thread_fn+0x68b/0xa00 [ 426.302771] ? sort_range+0x30/0x30 [ 426.306389] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.311484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.317016] ? __kthread_parkme+0xfb/0x1a0 [ 426.321249] ? sort_range+0x30/0x30 [ 426.324865] kthread+0x35a/0x440 [ 426.328225] ? kthread_stop+0x900/0x900 [ 426.332197] ret_from_fork+0x3a/0x50 [ 426.335924] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 426.336007] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.342843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.342848] Call Trace: [ 426.342854] [ 426.342869] dump_stack+0x244/0x39d [ 426.342887] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.349398] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.359696] warn_alloc.cold.116+0xb7/0x1bd [ 426.362243] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 426.364392] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.397219] ? lock_downgrade+0x900/0x900 [ 426.401368] ? trace_hardirqs_off+0xb8/0x310 [ 426.405775] ? trace_hardirqs_off+0xb8/0x310 [ 426.410188] __alloc_pages_slowpath+0x26e8/0x2e10 [ 426.415055] ? warn_alloc+0x120/0x120 [ 426.418865] ? warn_alloc+0x120/0x120 [ 426.422665] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.427675] ? warn_alloc+0x120/0x120 [ 426.431472] ? print_usage_bug+0xc0/0xc0 [ 426.435534] ? print_usage_bug+0xc0/0xc0 [ 426.439585] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.444771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.450304] ? should_fail+0x22d/0xd01 [ 426.454187] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.459724] ? __lock_acquire+0x62f/0x4c20 [ 426.463952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.469053] ? should_fail+0x22d/0xd01 [ 426.472945] ? mark_held_locks+0x130/0x130 [ 426.477178] ? mark_held_locks+0x130/0x130 [ 426.481406] ? print_usage_bug+0xc0/0xc0 [ 426.485467] ? find_held_lock+0x36/0x1c0 [ 426.489529] ? zap_class+0x640/0x640 [ 426.493241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.498770] ? check_preemption_disabled+0x48/0x280 [ 426.503788] ? __lock_is_held+0xb5/0x140 [ 426.507846] __alloc_pages_nodemask+0xa80/0xde0 [ 426.512510] ? zap_class+0x640/0x640 [ 426.516220] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 426.521235] ? find_held_lock+0x36/0x1c0 [ 426.525299] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.529958] ? lock_downgrade+0x900/0x900 [ 426.534104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.539638] cache_grow_begin+0xa5/0x8c0 [ 426.543687] ? do_raw_spin_unlock+0xa7/0x330 [ 426.548120] fallback_alloc+0x204/0x2e0 [ 426.552089] ____cache_alloc_node+0x1c7/0x1e0 [ 426.556580] kmem_cache_alloc_node+0xe3/0x730 [ 426.561850] ? mark_held_locks+0xc7/0x130 [ 426.566001] __alloc_skb+0x119/0x770 [ 426.569714] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.574115] ? do_raw_spin_trylock+0x270/0x270 [ 426.578686] ? kmem_cache_alloc_trace+0x353/0x750 [ 426.583531] ? queue_work_on+0x12c/0x1e0 [ 426.587594] ? switchdev_port_obj_del+0xdc/0x440 [ 426.592336] ? switchdev_trans_item_enqueue+0x260/0x260 [ 426.597700] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 426.602717] __br_mdb_notify+0x4ff/0x15d0 [ 426.606857] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.611960] ? __br_mdb_add+0x7f0/0x7f0 [ 426.615944] ? mark_held_locks+0x130/0x130 [ 426.620174] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.625273] ? debug_object_assert_init+0x368/0x4b0 [ 426.630285] ? debug_object_init_on_stack+0x20/0x20 [ 426.635296] ? zap_class+0x640/0x640 [ 426.639005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.644550] br_mdb_notify+0x310/0x410 [ 426.648431] ? br_mdb_dump+0x27b0/0x27b0 [ 426.652506] br_multicast_del_pg+0x3df/0x790 [ 426.656920] ? br_mdb_ip_get+0x940/0x940 [ 426.661757] ? rwlock_bug.part.2+0x90/0x90 [ 426.665991] ? __lock_is_held+0xb5/0x140 [ 426.670062] br_multicast_port_group_expired+0x189/0x1e0 [ 426.675514] call_timer_fn+0x272/0x920 [ 426.679393] ? br_multicast_del_pg+0x790/0x790 [ 426.683968] ? process_timeout+0x40/0x40 [ 426.688030] ? mark_held_locks+0xc7/0x130 [ 426.692167] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.696656] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.701151] ? br_multicast_del_pg+0x790/0x790 [ 426.705728] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.710313] ? trace_hardirqs_on+0xbd/0x310 [ 426.714639] ? kasan_check_read+0x11/0x20 [ 426.718776] ? __run_timers+0x7da/0xc70 [ 426.722743] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.727842] ? br_multicast_del_pg+0x790/0x790 [ 426.732427] ? br_multicast_del_pg+0x790/0x790 [ 426.736999] __run_timers+0x7e5/0xc70 [ 426.740804] ? timer_fixup_init+0x70/0x70 [ 426.744947] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.749956] ? zap_class+0x640/0x640 [ 426.753665] ? print_usage_bug+0xc0/0xc0 [ 426.758515] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.763713] ? find_held_lock+0x36/0x1c0 [ 426.767769] ? zap_class+0x640/0x640 [ 426.771473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.777002] ? check_preemption_disabled+0x48/0x280 [ 426.782023] ? __lock_is_held+0xb5/0x140 [ 426.786078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.791609] ? check_preemption_disabled+0x48/0x280 [ 426.796622] run_timer_softirq+0x52/0xb0 [ 426.800674] ? rcu_read_lock_sched_held+0x14f/0x180 [ 426.805684] __do_softirq+0x308/0xb7e [ 426.809479] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 426.813978] ? lock_downgrade+0x900/0x900 [ 426.818233] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 426.823336] ? pvclock_read_flags+0x160/0x160 [ 426.827826] ? lapic_next_event+0x5a/0x90 [ 426.831972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.837513] ? kvm_clock_read+0x18/0x30 [ 426.841481] ? kvm_sched_clock_read+0x9/0x20 [ 426.845890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.851419] ? check_preemption_disabled+0x48/0x280 [ 426.856437] irq_exit+0x17f/0x1c0 [ 426.860877] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.865711] ? smp_reschedule_interrupt+0x109/0x650 [ 426.870720] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.876599] ? interrupt_entry+0xb5/0xc0 [ 426.880667] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.885678] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.890690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.895524] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.900529] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.905541] ? task_prio+0x50/0x50 [ 426.909074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.914609] ? check_preemption_disabled+0x48/0x280 [ 426.919625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.924466] apic_timer_interrupt+0xf/0x20 [ 426.928695] [ 426.930939] RIP: 0010:dump_stack+0x358/0x39d [ 426.935340] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 426.954234] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 426.962857] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 426.970114] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 426.977373] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 426.984656] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 426.991916] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 426.999195] ? dump_stack+0x34f/0x39d [ 427.003003] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.008188] ? mark_held_locks+0x130/0x130 [ 427.012418] ? mark_held_locks+0x130/0x130 [ 427.016652] dump_header+0x27b/0xf72 [ 427.020370] ? pagefault_out_of_memory+0x197/0x197 [ 427.025300] ? __lock_acquire+0x62f/0x4c20 [ 427.029537] ? percpu_ref_get_many+0x240/0x240 [ 427.034114] ? print_usage_bug+0xc0/0xc0 [ 427.038188] ? zap_class+0x640/0x640 [ 427.041900] ? print_usage_bug+0xc0/0xc0 [ 427.045953] ? print_usage_bug+0xc0/0xc0 [ 427.050011] ? zap_class+0x640/0x640 [ 427.053723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.060003] ? find_held_lock+0x36/0x1c0 [ 427.064065] ? mark_held_locks+0xc7/0x130 [ 427.068210] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.073304] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.078399] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 427.082976] ? trace_hardirqs_on+0xbd/0x310 [ 427.087293] ? kasan_check_read+0x11/0x20 [ 427.091436] ? ___ratelimit+0x3b4/0x672 [ 427.095408] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.100518] ? trace_hardirqs_on+0x310/0x310 [ 427.104916] ? lock_downgrade+0x900/0x900 [ 427.109056] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.114164] ? ___ratelimit+0x3b9/0x672 [ 427.118131] ? idr_get_free+0xf70/0xf70 [ 427.122101] ? find_held_lock+0x36/0x1c0 [ 427.126166] oom_kill_process.cold.27+0x10/0x903 [ 427.130918] ? zap_class+0x640/0x640 [ 427.134629] ? check_preemption_disabled+0x48/0x280 [ 427.139639] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.144580] ? kasan_check_read+0x11/0x20 [ 427.148725] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.153999] ? oom_evaluate_task+0x540/0x540 [ 427.159214] ? find_held_lock+0x36/0x1c0 [ 427.163274] ? out_of_memory+0x974/0x1430 [ 427.167416] ? lock_downgrade+0x900/0x900 [ 427.171556] ? check_preemption_disabled+0x48/0x280 [ 427.176570] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.181494] ? kasan_check_read+0x11/0x20 [ 427.185635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.190905] ? rcu_softirq_qs+0x20/0x20 [ 427.194877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.200406] ? oom_evaluate_task+0x302/0x540 [ 427.204816] out_of_memory+0xa84/0x1430 [ 427.208790] ? oom_killer_disable+0x3a0/0x3a0 [ 427.213279] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 427.218206] ? __ww_mutex_check_waiters+0x160/0x160 [ 427.223224] __alloc_pages_slowpath+0x2354/0x2e10 [ 427.228088] ? warn_alloc+0x120/0x120 [ 427.231882] ? mark_held_locks+0x130/0x130 [ 427.236115] ? find_get_entry+0xaae/0x1120 [ 427.240349] ? filemap_map_pages+0x1a20/0x1a20 [ 427.244931] ? zap_class+0x640/0x640 [ 427.248646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.254174] ? check_preemption_disabled+0x48/0x280 [ 427.259992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.265538] ? should_fail+0x22d/0xd01 [ 427.269439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.274544] ? zap_class+0x640/0x640 [ 427.278273] ? __lock_is_held+0xb5/0x140 [ 427.282333] ? mark_held_locks+0x130/0x130 [ 427.286567] ? lock_release+0xa00/0xa00 [ 427.290531] ? perf_trace_sched_process_exec+0x860/0x860 [ 427.295976] ? xa_load+0x2ba/0x460 [ 427.299512] ? lock_downgrade+0x900/0x900 [ 427.303658] ? __might_sleep+0x95/0x190 [ 427.307627] __alloc_pages_nodemask+0xa80/0xde0 [ 427.312293] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 427.317301] ? __page_cache_alloc+0x191/0x5c0 [ 427.321787] ? xa_load+0x2e1/0x460 [ 427.325321] ? xa_clear_mark+0x40/0x40 [ 427.329216] ? zap_class+0x640/0x640 [ 427.332931] ? zap_class+0x640/0x640 [ 427.336657] ? zap_class+0x640/0x640 [ 427.340367] ? __do_page_cache_readahead+0x663/0x810 [ 427.345472] ? find_held_lock+0x36/0x1c0 [ 427.349534] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 427.355329] alloc_pages_current+0x173/0x350 [ 427.360505] __page_cache_alloc+0x38c/0x5c0 [ 427.364819] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.369740] ? kasan_check_read+0x11/0x20 [ 427.373879] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.379237] ? generic_perform_write+0x6a0/0x6a0 [ 427.384007] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.389538] ? check_preemption_disabled+0x48/0x280 [ 427.394554] filemap_fault+0x1595/0x25f0 [ 427.398621] ? __lock_page_or_retry+0xa00/0xa00 [ 427.403285] ? mark_held_locks+0x130/0x130 [ 427.407535] ? filemap_map_pages+0xd6b/0x1a20 [ 427.412024] ? lock_downgrade+0x900/0x900 [ 427.416168] ? check_preemption_disabled+0x48/0x280 [ 427.421183] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.426109] ? kasan_check_read+0x11/0x20 [ 427.430250] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.435522] ? rcu_softirq_qs+0x20/0x20 [ 427.439501] ? filemap_map_pages+0xd92/0x1a20 [ 427.444005] ? find_get_entries_tag+0x1400/0x1400 [ 427.448857] ? debug_object_destroy+0x2b0/0x2b0 [ 427.453527] ? lock_pi_update_atomic+0x150/0x150 [ 427.459269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.464814] ? lock_acquire+0x1ed/0x520 [ 427.468790] ? ext4_filemap_fault+0x7a/0xad [ 427.473108] ? lock_release+0xa00/0xa00 [ 427.477071] ? perf_trace_sched_process_exec+0x860/0x860 [ 427.482516] ? print_usage_bug+0xc0/0xc0 [ 427.486583] ? print_usage_bug+0xc0/0xc0 [ 427.490668] ? down_read+0x8d/0x120 [ 427.494285] ? ext4_filemap_fault+0x7a/0xad [ 427.498602] ? __down_interruptible+0x700/0x700 [ 427.503273] ext4_filemap_fault+0x82/0xad [ 427.507415] __do_fault+0x100/0x6b0 [ 427.511046] ? pmd_devmap_trans_unstable+0x220/0x220 [ 427.516144] ? mark_held_locks+0x130/0x130 [ 427.520373] ? mark_held_locks+0x130/0x130 [ 427.524604] ? do_raw_spin_trylock+0x270/0x270 [ 427.529189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.534723] __handle_mm_fault+0x3ea0/0x5be0 [ 427.539120] ? perf_trace_lock+0x7a0/0x7a0 [ 427.543353] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 427.548191] ? __switch_to_asm+0x34/0x70 [ 427.552240] ? __switch_to_asm+0x34/0x70 [ 427.556302] ? zap_class+0x640/0x640 [ 427.560819] ? zap_class+0x640/0x640 [ 427.564536] ? __x64_sys_futex+0x53e/0x6a0 [ 427.568768] ? find_held_lock+0x36/0x1c0 [ 427.572829] ? handle_mm_fault+0x42a/0xc70 [ 427.577061] ? lock_downgrade+0x900/0x900 [ 427.581200] ? check_preemption_disabled+0x48/0x280 [ 427.586213] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.591136] ? kasan_check_read+0x11/0x20 [ 427.595277] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.600560] ? rcu_softirq_qs+0x20/0x20 [ 427.604538] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.609634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.615164] ? check_preemption_disabled+0x48/0x280 [ 427.620181] handle_mm_fault+0x54f/0xc70 [ 427.624240] ? __handle_mm_fault+0x5be0/0x5be0 [ 427.628822] ? find_vma+0x34/0x190 [ 427.632363] __do_page_fault+0x5e8/0xe60 [ 427.636503] ? trace_hardirqs_off+0xb8/0x310 [ 427.640917] do_page_fault+0xf2/0x7e0 [ 427.644716] ? vmalloc_sync_all+0x30/0x30 [ 427.648855] ? error_entry+0x70/0xd0 [ 427.652575] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.657588] ? trace_hardirqs_on_caller+0xc0/0x310 [ 427.663261] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.668187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.673025] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.678032] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.683484] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.688491] ? page_fault+0x8/0x30 [ 427.692043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.696879] ? page_fault+0x8/0x30 [ 427.700413] page_fault+0x1e/0x30 [ 427.703860] RIP: 0033:0x45ddf3 [ 427.707051] Code: Bad RIP value. [ 427.710402] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 427.715761] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 427.723024] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 427.730287] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 427.737546] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 427.744804] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 427.752083] warn_alloc_show_mem: 1 callbacks suppressed [ 427.752091] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 427.752093] Mem-Info: [ 427.752120] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 427.752120] active_file:12 inactive_file:13 isolated_file:0 [ 427.752120] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.752120] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 427.752120] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 427.752120] free:13705 free_pcp:178 free_cma:0 [ 427.757478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.764902] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.767290] Call Trace: [ 427.800153] Node 0 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 [ 427.809500] dump_stack+0x244/0x39d [ 427.837132] lowmem_reserve[]: 0 2818 6321 6321 [ 427.839714] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.866753] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 427.870380] warn_alloc.cold.116+0xb7/0x1bd [ 427.874918] lowmem_reserve[]: 0 0 3503 3503 [ 427.880101] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.907565] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 427.911903] ? lock_downgrade+0x900/0x900 [ 427.916190] lowmem_reserve[]: 0 0 0 0 [ 427.921023] ? trace_hardirqs_off+0xb8/0x310 [ 427.950454] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 427.954605] ? trace_hardirqs_off+0xb8/0x310 [ 427.959317] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 427.963723] __alloc_pages_slowpath+0x26e8/0x2e10 [ 427.977203] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 427.981632] ? warn_alloc+0x120/0x120 [ 427.996847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 428.001670] ? print_usage_bug+0xc0/0xc0 [ 428.015857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 428.019634] ? warn_alloc+0x120/0x120 [ 428.028440] 366 total pagecache pages [ 428.032489] ? warn_alloc+0x120/0x120 [ 428.041041] 0 pages in swap cache [ 428.044826] ? print_usage_bug+0xc0/0xc0 [ 428.048598] Swap cache stats: add 0, delete 0, find 0/0 [ 428.052385] ? print_usage_bug+0xc0/0xc0 [ 428.055809] Free swap = 0kB [ 428.060172] ? __lock_acquire+0x62f/0x4c20 [ 428.065504] Total swap = 0kB [ 428.069551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.072540] 1965979 pages RAM [ 428.076762] ? should_fail+0x22d/0xd01 [ 428.079747] 0 pages HighMem/MovableOnly [ 428.079754] 342854 pages reserved [ 428.085280] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.088355] 0 pages cma reserved [ 428.092226] ? __lock_acquire+0x62f/0x4c20 [ 428.096296] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.099610] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.104681] syz-fuzzer cpuset=/ mems_allowed=0 [ 428.108033] ? __lock_acquire+0x62f/0x4c20 [ 428.136304] ? should_fail+0x22d/0xd01 [ 428.140183] ? find_held_lock+0x36/0x1c0 [ 428.144242] ? mark_held_locks+0x130/0x130 [ 428.148488] ? mark_held_locks+0x130/0x130 [ 428.152715] ? zap_class+0x640/0x640 [ 428.156427] ? zap_class+0x640/0x640 [ 428.160409] ? print_usage_bug+0xc0/0xc0 [ 428.164460] ? do_raw_spin_unlock+0xa7/0x330 [ 428.168857] ? zap_class+0x640/0x640 [ 428.172563] ? print_usage_bug+0xc0/0xc0 [ 428.176617] ? wq_watchdog_touch+0x9c/0xfe [ 428.180845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.186378] ? check_preemption_disabled+0x48/0x280 [ 428.191416] ? __lock_is_held+0xb5/0x140 [ 428.195478] __alloc_pages_nodemask+0xa80/0xde0 [ 428.200270] ? zap_class+0x640/0x640 [ 428.203998] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 428.209018] ? find_held_lock+0x36/0x1c0 [ 428.213085] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.217751] ? lock_downgrade+0x900/0x900 [ 428.221899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.227438] cache_grow_begin+0xa5/0x8c0 [ 428.231493] ? do_raw_spin_unlock+0xa7/0x330 [ 428.235908] fallback_alloc+0x204/0x2e0 [ 428.239883] ____cache_alloc_node+0x1c7/0x1e0 [ 428.244385] kmem_cache_alloc_node+0xe3/0x730 [ 428.248883] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.253122] __alloc_skb+0x119/0x770 [ 428.256830] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.262405] ? netdev_alloc_frag+0x1f0/0x1f0 [ 428.266810] ? lock_downgrade+0x900/0x900 [ 428.270954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.276479] ? refcount_sub_and_test_checked+0x203/0x310 [ 428.281926] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 428.287369] ? addrconf_rs_timer+0x690/0x690 [ 428.291783] ndisc_alloc_skb+0x144/0x340 [ 428.295838] ndisc_send_rs+0x331/0x6e0 [ 428.299724] addrconf_rs_timer+0x314/0x690 [ 428.303954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.308203] call_timer_fn+0x272/0x920 [ 428.312096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.316324] ? process_timeout+0x40/0x40 [ 428.320384] ? __run_timers+0x7da/0xc70 [ 428.324364] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.328854] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.333339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.337569] ? lockdep_hardirqs_on+0x296/0x5b0 [ 428.342142] ? trace_hardirqs_on+0xbd/0x310 [ 428.346472] ? kasan_check_read+0x11/0x20 [ 428.350616] ? __run_timers+0x7da/0xc70 [ 428.354588] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.360043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.364366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.368598] __run_timers+0x7e5/0xc70 [ 428.372409] ? timer_fixup_init+0x70/0x70 [ 428.376546] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.381129] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.385618] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 428.390200] ? trace_hardirqs_on+0xbd/0x310 [ 428.394516] ? kasan_check_read+0x11/0x20 [ 428.398670] ? finish_task_switch+0x1f4/0x910 [ 428.403157] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.408256] ? compat_start_thread+0x80/0x80 [ 428.412677] ? pvclock_read_flags+0x160/0x160 [ 428.417162] ? __switch_to_asm+0x34/0x70 [ 428.421217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.426747] ? check_preemption_disabled+0x48/0x280 [ 428.431761] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 428.437293] ? rcu_pm_notify+0xc0/0xc0 [ 428.441185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.446710] ? check_preemption_disabled+0x48/0x280 [ 428.451726] run_timer_softirq+0x52/0xb0 [ 428.455783] ? rcu_read_lock_sched_held+0x14f/0x180 [ 428.461076] __do_softirq+0x308/0xb7e [ 428.464874] ? trace_hardirqs_on_caller+0xc0/0x310 [ 428.469801] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 428.474897] ? trace_hardirqs_on+0x310/0x310 [ 428.479320] ? schedule+0x108/0x460 [ 428.482954] ? trace_hardirqs_off+0xb8/0x310 [ 428.487354] ? smpboot_thread_fn+0x68b/0xa00 [ 428.491781] ? trace_hardirqs_on+0x310/0x310 [ 428.496184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.501713] ? check_preemption_disabled+0x48/0x280 [ 428.506735] ? takeover_tasklets+0xa90/0xa90 [ 428.511135] run_ksoftirqd+0x5e/0x100 [ 428.514928] smpboot_thread_fn+0x68b/0xa00 [ 428.519154] ? sort_range+0x30/0x30 [ 428.522771] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.527886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.533418] ? __kthread_parkme+0xfb/0x1a0 [ 428.537648] ? sort_range+0x30/0x30 [ 428.541265] kthread+0x35a/0x440 [ 428.544623] ? kthread_stop+0x900/0x900 [ 428.548588] ret_from_fork+0x3a/0x50 [ 428.552311] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 428.552384] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.559975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.566536] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.575788] Call Trace: [ 428.586079] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 428.588645] [ 428.595433] dump_stack+0x244/0x39d [ 428.599063] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.604259] warn_alloc.cold.116+0xb7/0x1bd [ 428.608576] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.613420] ? lock_downgrade+0x900/0x900 [ 428.617569] ? trace_hardirqs_off+0xb8/0x310 [ 428.621976] ? trace_hardirqs_off+0xb8/0x310 [ 428.626391] __alloc_pages_slowpath+0x26e8/0x2e10 [ 428.631267] ? warn_alloc+0x120/0x120 [ 428.635063] ? warn_alloc+0x120/0x120 [ 428.639034] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.644048] ? warn_alloc+0x120/0x120 [ 428.647840] ? print_usage_bug+0xc0/0xc0 [ 428.651898] ? print_usage_bug+0xc0/0xc0 [ 428.655947] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.661600] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.667132] ? should_fail+0x22d/0xd01 [ 428.671018] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.676117] ? __lock_acquire+0x62f/0x4c20 [ 428.680353] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.685452] ? should_fail+0x22d/0xd01 [ 428.689336] ? mark_held_locks+0x130/0x130 [ 428.693570] ? mark_held_locks+0x130/0x130 [ 428.697798] ? print_usage_bug+0xc0/0xc0 [ 428.701853] ? find_held_lock+0x36/0x1c0 [ 428.705909] ? zap_class+0x640/0x640 [ 428.709648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.715181] ? check_preemption_disabled+0x48/0x280 [ 428.720196] ? __lock_is_held+0xb5/0x140 [ 428.724254] __alloc_pages_nodemask+0xa80/0xde0 [ 428.728924] ? zap_class+0x640/0x640 [ 428.732636] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 428.737657] ? find_held_lock+0x36/0x1c0 [ 428.741718] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.746495] ? lock_downgrade+0x900/0x900 [ 428.750645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.756178] cache_grow_begin+0xa5/0x8c0 [ 428.761201] ? do_raw_spin_unlock+0xa7/0x330 [ 428.765606] fallback_alloc+0x204/0x2e0 [ 428.769580] ____cache_alloc_node+0x1c7/0x1e0 [ 428.774075] kmem_cache_alloc_node+0xe3/0x730 [ 428.778560] ? mark_held_locks+0xc7/0x130 [ 428.782707] __alloc_skb+0x119/0x770 [ 428.786416] ? netdev_alloc_frag+0x1f0/0x1f0 [ 428.790814] ? do_raw_spin_trylock+0x270/0x270 [ 428.795404] ? kmem_cache_alloc_trace+0x353/0x750 [ 428.800245] ? queue_work_on+0x12c/0x1e0 [ 428.804304] ? switchdev_port_obj_del+0xdc/0x440 [ 428.809049] ? switchdev_trans_item_enqueue+0x260/0x260 [ 428.814408] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 428.819429] __br_mdb_notify+0x4ff/0x15d0 [ 428.823569] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.828672] ? __br_mdb_add+0x7f0/0x7f0 [ 428.832642] ? mark_held_locks+0x130/0x130 [ 428.836891] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.841989] ? debug_object_assert_init+0x368/0x4b0 [ 428.847002] ? debug_object_init_on_stack+0x20/0x20 [ 428.852007] ? zap_class+0x640/0x640 [ 428.855712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.862225] br_mdb_notify+0x310/0x410 [ 428.866111] ? br_mdb_dump+0x27b0/0x27b0 [ 428.870181] br_multicast_del_pg+0x3df/0x790 [ 428.874591] ? br_mdb_ip_get+0x940/0x940 [ 428.878647] ? rwlock_bug.part.2+0x90/0x90 [ 428.882886] ? __lock_is_held+0xb5/0x140 [ 428.886949] br_multicast_port_group_expired+0x189/0x1e0 [ 428.892404] call_timer_fn+0x272/0x920 [ 428.896303] ? br_multicast_del_pg+0x790/0x790 [ 428.900882] ? process_timeout+0x40/0x40 [ 428.904947] ? mark_held_locks+0xc7/0x130 [ 428.909091] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.913589] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.918081] ? br_multicast_del_pg+0x790/0x790 [ 428.922660] ? lockdep_hardirqs_on+0x296/0x5b0 [ 428.927242] ? trace_hardirqs_on+0xbd/0x310 [ 428.931556] ? kasan_check_read+0x11/0x20 [ 428.935694] ? __run_timers+0x7da/0xc70 [ 428.939659] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.944762] ? br_multicast_del_pg+0x790/0x790 [ 428.949352] ? br_multicast_del_pg+0x790/0x790 [ 428.953923] __run_timers+0x7e5/0xc70 [ 428.958399] ? timer_fixup_init+0x70/0x70 [ 428.962562] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.967575] ? zap_class+0x640/0x640 [ 428.971288] ? print_usage_bug+0xc0/0xc0 [ 428.975351] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.980538] ? find_held_lock+0x36/0x1c0 [ 428.984596] ? zap_class+0x640/0x640 [ 428.988316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.993854] ? check_preemption_disabled+0x48/0x280 [ 428.998880] ? __lock_is_held+0xb5/0x140 [ 429.002943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.008476] ? check_preemption_disabled+0x48/0x280 [ 429.013489] run_timer_softirq+0x52/0xb0 [ 429.017542] ? rcu_read_lock_sched_held+0x14f/0x180 [ 429.022552] __do_softirq+0x308/0xb7e [ 429.026353] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 429.030842] ? lock_downgrade+0x900/0x900 [ 429.034993] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 429.040095] ? pvclock_read_flags+0x160/0x160 [ 429.044592] ? lapic_next_event+0x5a/0x90 [ 429.048734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.054273] ? kvm_clock_read+0x18/0x30 [ 429.058991] ? kvm_sched_clock_read+0x9/0x20 [ 429.063393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.068922] ? check_preemption_disabled+0x48/0x280 [ 429.073936] irq_exit+0x17f/0x1c0 [ 429.077380] smp_apic_timer_interrupt+0x1cb/0x760 [ 429.082233] ? smp_reschedule_interrupt+0x109/0x650 [ 429.087239] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.093113] ? interrupt_entry+0xb5/0xc0 [ 429.097178] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.102186] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.107196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.112034] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.117038] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.122043] ? task_prio+0x50/0x50 [ 429.125577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.131110] ? check_preemption_disabled+0x48/0x280 [ 429.136124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.140962] apic_timer_interrupt+0xf/0x20 [ 429.145182] [ 429.147415] RIP: 0010:dump_stack+0x358/0x39d [ 429.151818] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 429.171741] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 429.179439] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 429.186700] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 429.193963] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 429.201223] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 429.208485] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 429.215865] ? dump_stack+0x34f/0x39d [ 429.219675] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.224897] ? mark_held_locks+0x130/0x130 [ 429.229147] ? mark_held_locks+0x130/0x130 [ 429.233381] dump_header+0x27b/0xf72 [ 429.237099] ? pagefault_out_of_memory+0x197/0x197 [ 429.242026] ? __lock_acquire+0x62f/0x4c20 [ 429.246251] ? percpu_ref_get_many+0x240/0x240 [ 429.250827] ? print_usage_bug+0xc0/0xc0 [ 429.254895] ? zap_class+0x640/0x640 [ 429.259425] ? print_usage_bug+0xc0/0xc0 [ 429.263476] ? print_usage_bug+0xc0/0xc0 [ 429.267548] ? zap_class+0x640/0x640 [ 429.271261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.276797] ? find_held_lock+0x36/0x1c0 [ 429.280862] ? mark_held_locks+0xc7/0x130 [ 429.285004] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.290098] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.295192] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 429.299786] ? trace_hardirqs_on+0xbd/0x310 [ 429.304100] ? kasan_check_read+0x11/0x20 [ 429.308239] ? ___ratelimit+0x3b4/0x672 [ 429.312208] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.317332] ? trace_hardirqs_on+0x310/0x310 [ 429.321730] ? lock_downgrade+0x900/0x900 [ 429.325873] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.330973] ? ___ratelimit+0x3b9/0x672 [ 429.334947] ? idr_get_free+0xf70/0xf70 [ 429.338918] ? find_held_lock+0x36/0x1c0 [ 429.342983] oom_kill_process.cold.27+0x10/0x903 [ 429.347732] ? zap_class+0x640/0x640 [ 429.351441] ? check_preemption_disabled+0x48/0x280 [ 429.356458] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.361908] ? kasan_check_read+0x11/0x20 [ 429.366049] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.371327] ? oom_evaluate_task+0x540/0x540 [ 429.375735] ? find_held_lock+0x36/0x1c0 [ 429.379796] ? out_of_memory+0x974/0x1430 [ 429.383937] ? lock_downgrade+0x900/0x900 [ 429.388078] ? check_preemption_disabled+0x48/0x280 [ 429.393088] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.398010] ? kasan_check_read+0x11/0x20 [ 429.402149] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.407419] ? rcu_softirq_qs+0x20/0x20 [ 429.411392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.416919] ? oom_evaluate_task+0x302/0x540 [ 429.421329] out_of_memory+0xa84/0x1430 [ 429.425306] ? oom_killer_disable+0x3a0/0x3a0 [ 429.429825] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 429.434770] ? __ww_mutex_check_waiters+0x160/0x160 [ 429.439787] __alloc_pages_slowpath+0x2354/0x2e10 [ 429.444647] ? warn_alloc+0x120/0x120 [ 429.448439] ? mark_held_locks+0x130/0x130 [ 429.452671] ? find_get_entry+0xaae/0x1120 [ 429.456905] ? filemap_map_pages+0x1a20/0x1a20 [ 429.461803] ? zap_class+0x640/0x640 [ 429.465512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.471043] ? check_preemption_disabled+0x48/0x280 [ 429.476050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.481581] ? should_fail+0x22d/0xd01 [ 429.485559] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.490656] ? zap_class+0x640/0x640 [ 429.494382] ? __lock_is_held+0xb5/0x140 [ 429.498446] ? mark_held_locks+0x130/0x130 [ 429.502677] ? lock_release+0xa00/0xa00 [ 429.506642] ? perf_trace_sched_process_exec+0x860/0x860 [ 429.512083] ? xa_load+0x2ba/0x460 [ 429.515614] ? lock_downgrade+0x900/0x900 [ 429.519760] ? __might_sleep+0x95/0x190 [ 429.523732] __alloc_pages_nodemask+0xa80/0xde0 [ 429.528402] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 429.533410] ? __page_cache_alloc+0x191/0x5c0 [ 429.537897] ? xa_load+0x2e1/0x460 [ 429.541434] ? xa_clear_mark+0x40/0x40 [ 429.545340] ? zap_class+0x640/0x640 [ 429.549053] ? zap_class+0x640/0x640 [ 429.552769] ? zap_class+0x640/0x640 [ 429.556474] ? __do_page_cache_readahead+0x663/0x810 [ 429.562366] ? find_held_lock+0x36/0x1c0 [ 429.566422] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 429.571965] alloc_pages_current+0x173/0x350 [ 429.576375] __page_cache_alloc+0x38c/0x5c0 [ 429.580690] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.585611] ? kasan_check_read+0x11/0x20 [ 429.589759] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.595030] ? generic_perform_write+0x6a0/0x6a0 [ 429.599784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.605326] ? check_preemption_disabled+0x48/0x280 [ 429.610346] filemap_fault+0x1595/0x25f0 [ 429.614421] ? __lock_page_or_retry+0xa00/0xa00 [ 429.619086] ? mark_held_locks+0x130/0x130 [ 429.623326] ? filemap_map_pages+0xd6b/0x1a20 [ 429.627814] ? lock_downgrade+0x900/0x900 [ 429.631962] ? check_preemption_disabled+0x48/0x280 [ 429.636972] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.641893] ? kasan_check_read+0x11/0x20 [ 429.646035] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.651313] ? rcu_softirq_qs+0x20/0x20 [ 429.655295] ? filemap_map_pages+0xd92/0x1a20 [ 429.660791] ? find_get_entries_tag+0x1400/0x1400 [ 429.665639] ? debug_object_destroy+0x2b0/0x2b0 [ 429.670310] ? lock_pi_update_atomic+0x150/0x150 [ 429.675060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.680601] ? lock_acquire+0x1ed/0x520 [ 429.684567] ? ext4_filemap_fault+0x7a/0xad [ 429.688885] ? lock_release+0xa00/0xa00 [ 429.692849] ? perf_trace_sched_process_exec+0x860/0x860 [ 429.698291] ? print_usage_bug+0xc0/0xc0 [ 429.702357] ? print_usage_bug+0xc0/0xc0 [ 429.706436] ? down_read+0x8d/0x120 [ 429.710051] ? ext4_filemap_fault+0x7a/0xad [ 429.714380] ? __down_interruptible+0x700/0x700 [ 429.719054] ext4_filemap_fault+0x82/0xad [ 429.723197] __do_fault+0x100/0x6b0 [ 429.726829] ? pmd_devmap_trans_unstable+0x220/0x220 [ 429.732450] ? mark_held_locks+0x130/0x130 [ 429.736694] ? mark_held_locks+0x130/0x130 [ 429.740920] ? do_raw_spin_trylock+0x270/0x270 [ 429.745498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.751036] __handle_mm_fault+0x3ea0/0x5be0 [ 429.755437] ? perf_trace_lock+0x7a0/0x7a0 [ 429.760728] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 429.765567] ? __switch_to_asm+0x34/0x70 [ 429.769615] ? __switch_to_asm+0x34/0x70 [ 429.773681] ? zap_class+0x640/0x640 [ 429.777386] ? zap_class+0x640/0x640 [ 429.781093] ? __x64_sys_futex+0x53e/0x6a0 [ 429.785329] ? find_held_lock+0x36/0x1c0 [ 429.789396] ? handle_mm_fault+0x42a/0xc70 [ 429.793626] ? lock_downgrade+0x900/0x900 [ 429.797768] ? check_preemption_disabled+0x48/0x280 [ 429.802785] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.807711] ? kasan_check_read+0x11/0x20 [ 429.811846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.817113] ? rcu_softirq_qs+0x20/0x20 [ 429.821081] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.826182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.831710] ? check_preemption_disabled+0x48/0x280 [ 429.836722] handle_mm_fault+0x54f/0xc70 [ 429.840782] ? __handle_mm_fault+0x5be0/0x5be0 [ 429.845363] ? find_vma+0x34/0x190 [ 429.848906] __do_page_fault+0x5e8/0xe60 [ 429.852969] ? trace_hardirqs_off+0xb8/0x310 [ 429.858337] do_page_fault+0xf2/0x7e0 [ 429.862135] ? vmalloc_sync_all+0x30/0x30 [ 429.866276] ? error_entry+0x70/0xd0 [ 429.869990] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.875001] ? trace_hardirqs_on_caller+0xc0/0x310 [ 429.879926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 429.884848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.889683] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.894708] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.900171] ? prepare_exit_to_usermode+0x291/0x3b0 [ 429.905182] ? page_fault+0x8/0x30 [ 429.908725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.913580] ? page_fault+0x8/0x30 [ 429.917139] page_fault+0x1e/0x30 [ 429.920587] RIP: 0033:0x45ddf3 [ 429.923780] Code: Bad RIP value. [ 429.927653] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 429.933007] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 429.940267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 429.947536] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 429.954803] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 429.963011] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 429.970307] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 429.970311] warn_alloc_show_mem: 1 callbacks suppressed [ 429.970317] Mem-Info: [ 429.977054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.982423] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 429.982423] active_file:12 inactive_file:13 isolated_file:0 [ 429.982423] unevictable:0 dirty:0 writeback:0 unstable:0 [ 429.982423] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 429.982423] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 429.982423] free:13705 free_pcp:178 free_cma:0 [ 429.984792] Call Trace: [ 429.994184] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 430.027030] dump_stack+0x244/0x39d [ 430.029581] Node 0 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 [ 430.057242] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.061617] lowmem_reserve[]: 0 2818 6321 6321 [ 430.087732] warn_alloc.cold.116+0xb7/0x1bd [ 430.092883] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 430.097451] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.101741] lowmem_reserve[]: 0 0 3503 3503 [ 430.129225] ? lock_downgrade+0x900/0x900 [ 430.134036] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 430.138363] ? trace_hardirqs_off+0xb8/0x310 [ 430.142476] lowmem_reserve[]: 0 0 0 0 [ 430.171747] ? trace_hardirqs_off+0xb8/0x310 [ 430.176127] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 430.179919] __alloc_pages_slowpath+0x26e8/0x2e10 [ 430.184297] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 430.197831] ? warn_alloc+0x120/0x120 [ 430.202625] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 430.217959] ? print_usage_bug+0xc0/0xc0 [ 430.221733] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 430.235930] ? warn_alloc+0x120/0x120 [ 430.239969] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 430.248800] ? warn_alloc+0x120/0x120 [ 430.252570] 366 total pagecache pages [ 430.261466] ? print_usage_bug+0xc0/0xc0 [ 430.265266] 0 pages in swap cache [ 430.269057] ? print_usage_bug+0xc0/0xc0 [ 430.273089] Swap cache stats: add 0, delete 0, find 0/0 [ 430.276521] ? __lock_acquire+0x62f/0x4c20 [ 430.280557] Free swap = 0kB [ 430.285908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.290111] Total swap = 0kB [ 430.293117] ? should_fail+0x22d/0xd01 [ 430.298622] 1965979 pages RAM [ 430.301628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.305484] 0 pages HighMem/MovableOnly [ 430.308573] ? __lock_acquire+0x62f/0x4c20 [ 430.313646] 342854 pages reserved [ 430.317641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.321843] 0 pages cma reserved [ 430.325288] ? __lock_acquire+0x62f/0x4c20 [ 430.330551] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.333709] ? should_fail+0x22d/0xd01 [ 430.337921] syz-fuzzer cpuset=/ mems_allowed=0 [ 430.348128] ? find_held_lock+0x36/0x1c0 [ 430.361000] ? mark_held_locks+0x130/0x130 [ 430.365235] ? mark_held_locks+0x130/0x130 [ 430.369468] ? zap_class+0x640/0x640 [ 430.373182] ? mark_held_locks+0xc7/0x130 [ 430.377324] ? do_raw_spin_unlock+0xa7/0x330 [ 430.381725] ? zap_class+0x640/0x640 [ 430.385431] ? print_usage_bug+0xc0/0xc0 [ 430.389494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.395027] ? check_preemption_disabled+0x48/0x280 [ 430.400043] ? __lock_is_held+0xb5/0x140 [ 430.404104] __alloc_pages_nodemask+0xa80/0xde0 [ 430.408786] ? zap_class+0x640/0x640 [ 430.412501] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 430.417523] ? find_held_lock+0x36/0x1c0 [ 430.421587] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.426259] ? lock_downgrade+0x900/0x900 [ 430.430419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.435951] cache_grow_begin+0xa5/0x8c0 [ 430.440089] ? do_raw_spin_unlock+0xa7/0x330 [ 430.444498] fallback_alloc+0x204/0x2e0 [ 430.448469] ____cache_alloc_node+0x1c7/0x1e0 [ 430.452960] kmem_cache_alloc_node+0xe3/0x730 [ 430.457450] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.462013] __alloc_skb+0x119/0x770 [ 430.465721] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.470998] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.475403] ? lock_downgrade+0x900/0x900 [ 430.479551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.485084] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.490529] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.495976] ? addrconf_rs_timer+0x690/0x690 [ 430.500386] ndisc_alloc_skb+0x144/0x340 [ 430.504443] ndisc_send_rs+0x331/0x6e0 [ 430.508331] addrconf_rs_timer+0x314/0x690 [ 430.512571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.516806] call_timer_fn+0x272/0x920 [ 430.520684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.524911] ? process_timeout+0x40/0x40 [ 430.528973] ? __run_timers+0x7da/0xc70 [ 430.532946] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.537435] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.541926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.546157] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.550735] ? trace_hardirqs_on+0xbd/0x310 [ 430.555061] ? kasan_check_read+0x11/0x20 [ 430.559548] ? __run_timers+0x7da/0xc70 [ 430.563516] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.568618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.572847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.577073] __run_timers+0x7e5/0xc70 [ 430.580987] ? timer_fixup_init+0x70/0x70 [ 430.585127] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.589784] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.594280] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 430.598857] ? trace_hardirqs_on+0xbd/0x310 [ 430.603170] ? kasan_check_read+0x11/0x20 [ 430.607307] ? finish_task_switch+0x1f4/0x910 [ 430.611794] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.616892] ? compat_start_thread+0x80/0x80 [ 430.621311] ? pvclock_read_flags+0x160/0x160 [ 430.625793] ? __switch_to_asm+0x34/0x70 [ 430.629845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.635375] ? check_preemption_disabled+0x48/0x280 [ 430.640396] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 430.645927] ? rcu_pm_notify+0xc0/0xc0 [ 430.649824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.655355] ? check_preemption_disabled+0x48/0x280 [ 430.660683] run_timer_softirq+0x52/0xb0 [ 430.664738] ? rcu_read_lock_sched_held+0x14f/0x180 [ 430.669746] __do_softirq+0x308/0xb7e [ 430.673547] ? trace_hardirqs_on_caller+0xc0/0x310 [ 430.678472] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 430.683568] ? trace_hardirqs_on+0x310/0x310 [ 430.687973] ? schedule+0x108/0x460 [ 430.691606] ? trace_hardirqs_off+0xb8/0x310 [ 430.696009] ? smpboot_thread_fn+0x68b/0xa00 [ 430.700413] ? trace_hardirqs_on+0x310/0x310 [ 430.704821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.710369] ? check_preemption_disabled+0x48/0x280 [ 430.715408] ? takeover_tasklets+0xa90/0xa90 [ 430.719818] run_ksoftirqd+0x5e/0x100 [ 430.723612] smpboot_thread_fn+0x68b/0xa00 [ 430.727842] ? sort_range+0x30/0x30 [ 430.731464] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 430.736559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.742087] ? __kthread_parkme+0xfb/0x1a0 [ 430.746317] ? sort_range+0x30/0x30 [ 430.749938] kthread+0x35a/0x440 [ 430.753302] ? kthread_stop+0x900/0x900 [ 430.757292] ret_from_fork+0x3a/0x50 [ 430.761299] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 430.761368] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 430.768213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.768220] Call Trace: [ 430.774782] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.784032] [ 430.786593] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 430.796887] dump_stack+0x244/0x39d [ 430.807273] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.812465] warn_alloc.cold.116+0xb7/0x1bd [ 430.816777] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.821701] ? lock_downgrade+0x900/0x900 [ 430.825850] ? trace_hardirqs_off+0xb8/0x310 [ 430.830259] ? trace_hardirqs_off+0xb8/0x310 [ 430.834667] __alloc_pages_slowpath+0x26e8/0x2e10 [ 430.839526] ? warn_alloc+0x120/0x120 [ 430.843412] ? warn_alloc+0x120/0x120 [ 430.847208] ? zap_class+0x640/0x640 [ 430.850934] ? warn_alloc+0x120/0x120 [ 430.854730] ? print_usage_bug+0xc0/0xc0 [ 430.859273] ? idle_cpu+0x1d0/0x1d0 [ 430.862892] ? kvm_sched_clock_read+0x9/0x20 [ 430.867295] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.872309] ? print_usage_bug+0xc0/0xc0 [ 430.876368] ? __lock_is_held+0xb5/0x140 [ 430.880426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.885955] ? should_fail+0x22d/0xd01 [ 430.889839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.894933] ? __lock_acquire+0x62f/0x4c20 [ 430.899166] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.904259] ? __lock_acquire+0x62f/0x4c20 [ 430.908483] ? should_fail+0x22d/0xd01 [ 430.912383] ? mark_held_locks+0x130/0x130 [ 430.916626] ? mark_held_locks+0x130/0x130 [ 430.920855] ? __enqueue_entity+0x10d/0x1f0 [ 430.925172] ? zap_class+0x640/0x640 [ 430.928877] ? print_usage_bug+0xc0/0xc0 [ 430.932938] ? __lock_acquire+0x62f/0x4c20 [ 430.937165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.942798] ? check_preemption_disabled+0x48/0x280 [ 430.947811] ? __lock_is_held+0xb5/0x140 [ 430.951867] __alloc_pages_nodemask+0xa80/0xde0 [ 430.956526] ? zap_class+0x640/0x640 [ 430.961043] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 430.966077] ? find_held_lock+0x36/0x1c0 [ 430.970138] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.974797] ? lock_downgrade+0x900/0x900 [ 430.978939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.984480] cache_grow_begin+0xa5/0x8c0 [ 430.988528] ? do_raw_spin_unlock+0xa7/0x330 [ 430.992940] fallback_alloc+0x204/0x2e0 [ 430.996913] ____cache_alloc_node+0x1c7/0x1e0 [ 431.001404] kmem_cache_alloc_node+0xe3/0x730 [ 431.005894] ? ipv6_get_ifaddr+0x42e/0x620 [ 431.010128] __alloc_skb+0x119/0x770 [ 431.013831] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.019104] ? netdev_alloc_frag+0x1f0/0x1f0 [ 431.023510] ? lock_downgrade+0x900/0x900 [ 431.027656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.033184] ? refcount_sub_and_test_checked+0x203/0x310 [ 431.038636] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.044080] ? addrconf_rs_timer+0x690/0x690 [ 431.048490] ndisc_alloc_skb+0x144/0x340 [ 431.052547] ndisc_send_rs+0x331/0x6e0 [ 431.056446] addrconf_rs_timer+0x314/0x690 [ 431.061483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.065732] call_timer_fn+0x272/0x920 [ 431.069614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.073841] ? process_timeout+0x40/0x40 [ 431.077900] ? mark_held_locks+0xc7/0x130 [ 431.082045] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.086531] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.091015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.095244] ? lockdep_hardirqs_on+0x296/0x5b0 [ 431.099820] ? trace_hardirqs_on+0xbd/0x310 [ 431.104142] ? kasan_check_read+0x11/0x20 [ 431.108293] ? __run_timers+0x7da/0xc70 [ 431.112262] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.117367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.121593] __run_timers+0x7e5/0xc70 [ 431.125395] ? timer_fixup_init+0x70/0x70 [ 431.129541] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 431.134553] ? zap_class+0x640/0x640 [ 431.138266] ? print_usage_bug+0xc0/0xc0 [ 431.142322] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 431.147514] ? find_held_lock+0x36/0x1c0 [ 431.151574] ? zap_class+0x640/0x640 [ 431.155290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.161639] ? check_preemption_disabled+0x48/0x280 [ 431.166659] ? __lock_is_held+0xb5/0x140 [ 431.170716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.176252] ? check_preemption_disabled+0x48/0x280 [ 431.181264] run_timer_softirq+0x52/0xb0 [ 431.185317] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.190340] __do_softirq+0x308/0xb7e [ 431.194134] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 431.198629] ? lock_downgrade+0x900/0x900 [ 431.202774] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 431.207874] ? pvclock_read_flags+0x160/0x160 [ 431.212365] ? lapic_next_event+0x5a/0x90 [ 431.216505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.222048] ? kvm_clock_read+0x18/0x30 [ 431.226012] ? kvm_sched_clock_read+0x9/0x20 [ 431.230435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.235969] ? check_preemption_disabled+0x48/0x280 [ 431.240986] irq_exit+0x17f/0x1c0 [ 431.244430] smp_apic_timer_interrupt+0x1cb/0x760 [ 431.249267] ? smp_reschedule_interrupt+0x109/0x650 [ 431.254373] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.261022] ? interrupt_entry+0xb5/0xc0 [ 431.265076] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.270080] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.275093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.279927] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.284932] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.289938] ? task_prio+0x50/0x50 [ 431.293469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.298995] ? check_preemption_disabled+0x48/0x280 [ 431.304019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.308865] apic_timer_interrupt+0xf/0x20 [ 431.313086] [ 431.315317] RIP: 0010:dump_stack+0x358/0x39d [ 431.319732] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 431.338621] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 431.346338] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 431.353614] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 431.361741] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 431.369004] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 431.376268] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 431.383566] ? dump_stack+0x34f/0x39d [ 431.387371] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.392560] ? mark_held_locks+0x130/0x130 [ 431.396785] ? mark_held_locks+0x130/0x130 [ 431.401016] dump_header+0x27b/0xf72 [ 431.404735] ? pagefault_out_of_memory+0x197/0x197 [ 431.409661] ? __lock_acquire+0x62f/0x4c20 [ 431.413894] ? percpu_ref_get_many+0x240/0x240 [ 431.418472] ? print_usage_bug+0xc0/0xc0 [ 431.422532] ? zap_class+0x640/0x640 [ 431.426246] ? print_usage_bug+0xc0/0xc0 [ 431.430315] ? print_usage_bug+0xc0/0xc0 [ 431.434383] ? zap_class+0x640/0x640 [ 431.438096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.443632] ? find_held_lock+0x36/0x1c0 [ 431.447698] ? mark_held_locks+0xc7/0x130 [ 431.451845] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.456943] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.463010] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 431.467586] ? trace_hardirqs_on+0xbd/0x310 [ 431.471901] ? kasan_check_read+0x11/0x20 [ 431.476056] ? ___ratelimit+0x3b4/0x672 [ 431.480022] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.485123] ? trace_hardirqs_on+0x310/0x310 [ 431.489524] ? lock_downgrade+0x900/0x900 [ 431.493664] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.498761] ? ___ratelimit+0x3b9/0x672 [ 431.502737] ? idr_get_free+0xf70/0xf70 [ 431.506709] ? find_held_lock+0x36/0x1c0 [ 431.510770] oom_kill_process.cold.27+0x10/0x903 [ 431.515521] ? zap_class+0x640/0x640 [ 431.519235] ? check_preemption_disabled+0x48/0x280 [ 431.524249] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.529173] ? kasan_check_read+0x11/0x20 [ 431.533318] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.538593] ? oom_evaluate_task+0x540/0x540 [ 431.543001] ? find_held_lock+0x36/0x1c0 [ 431.547063] ? out_of_memory+0x974/0x1430 [ 431.551207] ? lock_downgrade+0x900/0x900 [ 431.555342] ? check_preemption_disabled+0x48/0x280 [ 431.561355] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.566284] ? kasan_check_read+0x11/0x20 [ 431.570442] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.575711] ? rcu_softirq_qs+0x20/0x20 [ 431.579681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.585222] ? oom_evaluate_task+0x302/0x540 [ 431.589629] out_of_memory+0xa84/0x1430 [ 431.593607] ? oom_killer_disable+0x3a0/0x3a0 [ 431.598098] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 431.603027] ? __ww_mutex_check_waiters+0x160/0x160 [ 431.608062] __alloc_pages_slowpath+0x2354/0x2e10 [ 431.612930] ? warn_alloc+0x120/0x120 [ 431.616725] ? mark_held_locks+0x130/0x130 [ 431.620955] ? find_get_entry+0xaae/0x1120 [ 431.625196] ? filemap_map_pages+0x1a20/0x1a20 [ 431.629773] ? zap_class+0x640/0x640 [ 431.633486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.639012] ? check_preemption_disabled+0x48/0x280 [ 431.644017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.649546] ? should_fail+0x22d/0xd01 [ 431.653432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.659275] ? zap_class+0x640/0x640 [ 431.663005] ? __lock_is_held+0xb5/0x140 [ 431.667068] ? mark_held_locks+0x130/0x130 [ 431.671298] ? lock_release+0xa00/0xa00 [ 431.675261] ? perf_trace_sched_process_exec+0x860/0x860 [ 431.680706] ? xa_load+0x2ba/0x460 [ 431.684241] ? lock_downgrade+0x900/0x900 [ 431.688401] ? __might_sleep+0x95/0x190 [ 431.692371] __alloc_pages_nodemask+0xa80/0xde0 [ 431.697039] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 431.702050] ? __page_cache_alloc+0x191/0x5c0 [ 431.706553] ? xa_load+0x2e1/0x460 [ 431.710085] ? xa_clear_mark+0x40/0x40 [ 431.713965] ? zap_class+0x640/0x640 [ 431.717681] ? zap_class+0x640/0x640 [ 431.721390] ? zap_class+0x640/0x640 [ 431.725097] ? __do_page_cache_readahead+0x663/0x810 [ 431.730199] ? find_held_lock+0x36/0x1c0 [ 431.734263] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 431.739795] alloc_pages_current+0x173/0x350 [ 431.744201] __page_cache_alloc+0x38c/0x5c0 [ 431.748509] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.753428] ? kasan_check_read+0x11/0x20 [ 431.758104] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.763611] ? generic_perform_write+0x6a0/0x6a0 [ 431.768360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.773890] ? check_preemption_disabled+0x48/0x280 [ 431.778908] filemap_fault+0x1595/0x25f0 [ 431.782975] ? __lock_page_or_retry+0xa00/0xa00 [ 431.787638] ? mark_held_locks+0x130/0x130 [ 431.791869] ? filemap_map_pages+0xd6b/0x1a20 [ 431.796354] ? lock_downgrade+0x900/0x900 [ 431.800489] ? check_preemption_disabled+0x48/0x280 [ 431.805516] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.810439] ? kasan_check_read+0x11/0x20 [ 431.814579] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.819846] ? rcu_softirq_qs+0x20/0x20 [ 431.823820] ? filemap_map_pages+0xd92/0x1a20 [ 431.828318] ? find_get_entries_tag+0x1400/0x1400 [ 431.833163] ? debug_object_destroy+0x2b0/0x2b0 [ 431.837827] ? lock_pi_update_atomic+0x150/0x150 [ 431.842575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.848115] ? lock_acquire+0x1ed/0x520 [ 431.852085] ? ext4_filemap_fault+0x7a/0xad [ 431.856409] ? lock_release+0xa00/0xa00 [ 431.861341] ? perf_trace_sched_process_exec+0x860/0x860 [ 431.866784] ? print_usage_bug+0xc0/0xc0 [ 431.870841] ? print_usage_bug+0xc0/0xc0 [ 431.874905] ? down_read+0x8d/0x120 [ 431.878527] ? ext4_filemap_fault+0x7a/0xad [ 431.882845] ? __down_interruptible+0x700/0x700 [ 431.887515] ext4_filemap_fault+0x82/0xad [ 431.891660] __do_fault+0x100/0x6b0 [ 431.895289] ? pmd_devmap_trans_unstable+0x220/0x220 [ 431.900389] ? mark_held_locks+0x130/0x130 [ 431.904616] ? mark_held_locks+0x130/0x130 [ 431.908844] ? do_raw_spin_trylock+0x270/0x270 [ 431.913425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.918962] __handle_mm_fault+0x3ea0/0x5be0 [ 431.923379] ? perf_trace_lock+0x7a0/0x7a0 [ 431.928139] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 431.932986] ? __switch_to_asm+0x34/0x70 [ 431.937035] ? __switch_to_asm+0x34/0x70 [ 431.941105] ? zap_class+0x640/0x640 [ 431.944815] ? zap_class+0x640/0x640 [ 431.948524] ? __x64_sys_futex+0x53e/0x6a0 [ 431.952755] ? find_held_lock+0x36/0x1c0 [ 431.956815] ? handle_mm_fault+0x42a/0xc70 [ 431.961847] ? lock_downgrade+0x900/0x900 [ 431.965992] ? check_preemption_disabled+0x48/0x280 [ 431.971003] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.976096] ? kasan_check_read+0x11/0x20 [ 431.980233] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.985500] ? rcu_softirq_qs+0x20/0x20 [ 431.989466] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.994565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.000117] ? check_preemption_disabled+0x48/0x280 [ 432.005140] handle_mm_fault+0x54f/0xc70 [ 432.009207] ? __handle_mm_fault+0x5be0/0x5be0 [ 432.013783] ? find_vma+0x34/0x190 [ 432.017314] __do_page_fault+0x5e8/0xe60 [ 432.021367] ? trace_hardirqs_off+0xb8/0x310 [ 432.025784] do_page_fault+0xf2/0x7e0 [ 432.029580] ? vmalloc_sync_all+0x30/0x30 [ 432.033719] ? error_entry+0x70/0xd0 [ 432.037431] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.042439] ? trace_hardirqs_on_caller+0xc0/0x310 [ 432.047362] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.052284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.057117] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.062882] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.068331] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.073340] ? page_fault+0x8/0x30 [ 432.076876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.081714] ? page_fault+0x8/0x30 [ 432.085250] page_fault+0x1e/0x30 [ 432.088697] RIP: 0033:0x45ddf3 [ 432.091978] Code: Bad RIP value. [ 432.095335] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 432.100687] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 432.107947] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 432.115209] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 432.122465] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 432.129738] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 432.137019] warn_alloc_show_mem: 1 callbacks suppressed [ 432.137028] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 432.137030] Mem-Info: [ 432.137058] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 432.137058] active_file:12 inactive_file:13 isolated_file:0 [ 432.137058] unevictable:0 dirty:0 writeback:0 unstable:0 [ 432.137058] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 432.137058] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 432.137058] free:13705 free_pcp:178 free_cma:0 [ 432.142387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.149132] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 432.151518] Call Trace: [ 432.184712] Node 0 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 [ 432.194062] dump_stack+0x244/0x39d [ 432.221726] lowmem_reserve[]: 0 2818 6321 6321 [ 432.224307] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.250383] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 432.254008] warn_alloc.cold.116+0xb7/0x1bd [ 432.259290] lowmem_reserve[]: 0 0 3503 3503 [ 432.264476] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.291943] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 432.296252] ? lock_downgrade+0x900/0x900 [ 432.300536] lowmem_reserve[]: 0 0 0 0 [ 432.305368] ? trace_hardirqs_off+0xb8/0x310 [ 432.334306] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 432.338444] ? trace_hardirqs_off+0xb8/0x310 [ 432.342212] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 432.346613] __alloc_pages_slowpath+0x26e8/0x2e10 [ 432.361115] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 432.365566] ? warn_alloc+0x120/0x120 [ 432.380770] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 432.385594] ? print_usage_bug+0xc0/0xc0 [ 432.399781] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 432.403560] ? warn_alloc+0x120/0x120 [ 432.412379] 366 total pagecache pages [ 432.416423] ? warn_alloc+0x120/0x120 [ 432.424975] 0 pages in swap cache [ 432.428752] ? print_usage_bug+0xc0/0xc0 [ 432.432526] Swap cache stats: add 0, delete 0, find 0/0 [ 432.436314] ? print_usage_bug+0xc0/0xc0 [ 432.439737] Free swap = 0kB [ 432.443784] ? __lock_acquire+0x62f/0x4c20 [ 432.449124] Total swap = 0kB [ 432.453182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.456166] 1965979 pages RAM [ 432.460959] ? should_fail+0x22d/0xd01 [ 432.463945] 0 pages HighMem/MovableOnly [ 432.469469] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.472539] 342854 pages reserved [ 432.472545] 0 pages cma reserved [ 432.476412] ? __lock_acquire+0x62f/0x4c20 [ 432.480408] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.485440] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.485452] ? __lock_acquire+0x62f/0x4c20 [ 432.485467] ? should_fail+0x22d/0xd01 [ 432.488945] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.492336] ? find_held_lock+0x36/0x1c0 [ 432.496542] syz-fuzzer cpuset=/ mems_allowed=0 [ 432.503022] ? mark_held_locks+0x130/0x130 [ 432.539216] ? mark_held_locks+0x130/0x130 [ 432.543439] ? zap_class+0x640/0x640 [ 432.547152] ? mark_held_locks+0xc7/0x130 [ 432.551294] ? do_raw_spin_unlock+0xa7/0x330 [ 432.555694] ? zap_class+0x640/0x640 [ 432.559669] ? print_usage_bug+0xc0/0xc0 [ 432.563726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.569255] ? check_preemption_disabled+0x48/0x280 [ 432.574273] ? __lock_is_held+0xb5/0x140 [ 432.578329] __alloc_pages_nodemask+0xa80/0xde0 [ 432.582987] ? zap_class+0x640/0x640 [ 432.586696] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 432.591713] ? find_held_lock+0x36/0x1c0 [ 432.595779] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.600452] ? lock_downgrade+0x900/0x900 [ 432.604686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.610222] cache_grow_begin+0xa5/0x8c0 [ 432.614278] ? do_raw_spin_unlock+0xa7/0x330 [ 432.618693] fallback_alloc+0x204/0x2e0 [ 432.622664] ____cache_alloc_node+0x1c7/0x1e0 [ 432.627161] kmem_cache_alloc_node+0xe3/0x730 [ 432.631649] ? ipv6_get_ifaddr+0x42e/0x620 [ 432.635884] __alloc_skb+0x119/0x770 [ 432.639587] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.644857] ? netdev_alloc_frag+0x1f0/0x1f0 [ 432.649260] ? lock_downgrade+0x900/0x900 [ 432.653405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.659333] ? refcount_sub_and_test_checked+0x203/0x310 [ 432.664786] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 432.670225] ? addrconf_rs_timer+0x690/0x690 [ 432.674633] ndisc_alloc_skb+0x144/0x340 [ 432.678777] ndisc_send_rs+0x331/0x6e0 [ 432.682659] addrconf_rs_timer+0x314/0x690 [ 432.686890] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.691142] call_timer_fn+0x272/0x920 [ 432.695021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.699252] ? process_timeout+0x40/0x40 [ 432.703313] ? __run_timers+0x7da/0xc70 [ 432.707283] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.711766] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.716256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.720485] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.725062] ? trace_hardirqs_on+0xbd/0x310 [ 432.729373] ? kasan_check_read+0x11/0x20 [ 432.733514] ? __run_timers+0x7da/0xc70 [ 432.737481] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.742576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.746808] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.751032] __run_timers+0x7e5/0xc70 [ 432.754831] ? timer_fixup_init+0x70/0x70 [ 432.759321] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.763806] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.768296] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 432.772876] ? trace_hardirqs_on+0xbd/0x310 [ 432.777188] ? kasan_check_read+0x11/0x20 [ 432.781330] ? finish_task_switch+0x1f4/0x910 [ 432.785839] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.790927] ? compat_start_thread+0x80/0x80 [ 432.795361] ? pvclock_read_flags+0x160/0x160 [ 432.799846] ? __switch_to_asm+0x34/0x70 [ 432.803899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.809426] ? check_preemption_disabled+0x48/0x280 [ 432.814443] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 432.819974] ? rcu_pm_notify+0xc0/0xc0 [ 432.823853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.829381] ? check_preemption_disabled+0x48/0x280 [ 432.834392] run_timer_softirq+0x52/0xb0 [ 432.838445] ? rcu_read_lock_sched_held+0x14f/0x180 [ 432.843455] __do_softirq+0x308/0xb7e [ 432.847249] ? trace_hardirqs_on_caller+0xc0/0x310 [ 432.852261] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 432.857652] ? trace_hardirqs_on+0x310/0x310 [ 432.862050] ? schedule+0x108/0x460 [ 432.865681] ? trace_hardirqs_off+0xb8/0x310 [ 432.870083] ? smpboot_thread_fn+0x68b/0xa00 [ 432.874513] ? trace_hardirqs_on+0x310/0x310 [ 432.879710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.885242] ? check_preemption_disabled+0x48/0x280 [ 432.890249] ? takeover_tasklets+0xa90/0xa90 [ 432.894651] run_ksoftirqd+0x5e/0x100 [ 432.898446] smpboot_thread_fn+0x68b/0xa00 [ 432.902676] ? sort_range+0x30/0x30 [ 432.906297] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.911407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.916930] ? __kthread_parkme+0xfb/0x1a0 [ 432.921154] ? sort_range+0x30/0x30 [ 432.924772] kthread+0x35a/0x440 [ 432.928131] ? kthread_stop+0x900/0x900 [ 432.932110] ret_from_fork+0x3a/0x50 [ 432.935829] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 432.935892] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.942744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.942749] Call Trace: [ 432.942754] [ 432.942770] dump_stack+0x244/0x39d [ 432.942788] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.949313] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.959184] warn_alloc.cold.116+0xb7/0x1bd [ 432.961731] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 432.963872] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.996721] ? lock_downgrade+0x900/0x900 [ 433.000868] ? trace_hardirqs_off+0xb8/0x310 [ 433.005271] ? trace_hardirqs_off+0xb8/0x310 [ 433.009680] __alloc_pages_slowpath+0x26e8/0x2e10 [ 433.014532] ? warn_alloc+0x120/0x120 [ 433.018327] ? print_usage_bug+0xc0/0xc0 [ 433.022379] ? warn_alloc+0x120/0x120 [ 433.026175] ? warn_alloc+0x120/0x120 [ 433.029969] ? print_usage_bug+0xc0/0xc0 [ 433.034026] ? print_usage_bug+0xc0/0xc0 [ 433.038088] ? __lock_acquire+0x62f/0x4c20 [ 433.042322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.047852] ? should_fail+0x22d/0xd01 [ 433.051743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.056839] ? __lock_acquire+0x62f/0x4c20 [ 433.062047] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.067167] ? __lock_acquire+0x62f/0x4c20 [ 433.071392] ? should_fail+0x22d/0xd01 [ 433.075269] ? find_held_lock+0x36/0x1c0 [ 433.079331] ? mark_held_locks+0x130/0x130 [ 433.083572] ? mark_held_locks+0x130/0x130 [ 433.087803] ? zap_class+0x640/0x640 [ 433.091512] ? zap_class+0x640/0x640 [ 433.095221] ? print_usage_bug+0xc0/0xc0 [ 433.099275] ? do_raw_spin_unlock+0xa7/0x330 [ 433.103674] ? zap_class+0x640/0x640 [ 433.107379] ? print_usage_bug+0xc0/0xc0 [ 433.111430] ? wq_watchdog_touch+0x9c/0xfe [ 433.115659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.121193] ? check_preemption_disabled+0x48/0x280 [ 433.126227] ? __lock_is_held+0xb5/0x140 [ 433.130290] __alloc_pages_nodemask+0xa80/0xde0 [ 433.134969] ? zap_class+0x640/0x640 [ 433.138690] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 433.143708] ? find_held_lock+0x36/0x1c0 [ 433.147780] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.152441] ? lock_downgrade+0x900/0x900 [ 433.156609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.162419] cache_grow_begin+0xa5/0x8c0 [ 433.166472] ? do_raw_spin_unlock+0xa7/0x330 [ 433.170877] fallback_alloc+0x204/0x2e0 [ 433.174865] ____cache_alloc_node+0x1c7/0x1e0 [ 433.179366] kmem_cache_alloc_node+0xe3/0x730 [ 433.183855] ? ipv6_get_ifaddr+0x42e/0x620 [ 433.188099] __alloc_skb+0x119/0x770 [ 433.191803] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.197084] ? netdev_alloc_frag+0x1f0/0x1f0 [ 433.201483] ? lock_downgrade+0x900/0x900 [ 433.205628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.211209] ? refcount_sub_and_test_checked+0x203/0x310 [ 433.216764] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 433.222208] ? addrconf_rs_timer+0x690/0x690 [ 433.226621] ndisc_alloc_skb+0x144/0x340 [ 433.230671] ndisc_send_rs+0x331/0x6e0 [ 433.234552] addrconf_rs_timer+0x314/0x690 [ 433.238809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.243047] call_timer_fn+0x272/0x920 [ 433.246954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.251184] ? process_timeout+0x40/0x40 [ 433.255240] ? mark_held_locks+0xc7/0x130 [ 433.259898] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.264387] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.268874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.273121] ? lockdep_hardirqs_on+0x296/0x5b0 [ 433.277702] ? trace_hardirqs_on+0xbd/0x310 [ 433.282014] ? kasan_check_read+0x11/0x20 [ 433.286152] ? __run_timers+0x7da/0xc70 [ 433.290121] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.295224] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.299456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.303683] __run_timers+0x7e5/0xc70 [ 433.307482] ? timer_fixup_init+0x70/0x70 [ 433.311623] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.316635] ? zap_class+0x640/0x640 [ 433.320342] ? print_usage_bug+0xc0/0xc0 [ 433.324400] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.329597] ? find_held_lock+0x36/0x1c0 [ 433.333659] ? zap_class+0x640/0x640 [ 433.337365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.342893] ? check_preemption_disabled+0x48/0x280 [ 433.348012] ? __lock_is_held+0xb5/0x140 [ 433.352071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.358079] ? check_preemption_disabled+0x48/0x280 [ 433.363095] run_timer_softirq+0x52/0xb0 [ 433.367149] ? rcu_read_lock_sched_held+0x14f/0x180 [ 433.372156] __do_softirq+0x308/0xb7e [ 433.375954] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 433.380462] ? lock_downgrade+0x900/0x900 [ 433.384605] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 433.389705] ? pvclock_read_flags+0x160/0x160 [ 433.394209] ? lapic_next_event+0x5a/0x90 [ 433.398355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.403885] ? kvm_clock_read+0x18/0x30 [ 433.407850] ? kvm_sched_clock_read+0x9/0x20 [ 433.412257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.417785] ? check_preemption_disabled+0x48/0x280 [ 433.422802] irq_exit+0x17f/0x1c0 [ 433.426250] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.431089] ? smp_reschedule_interrupt+0x109/0x650 [ 433.436103] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.441980] ? interrupt_entry+0xb5/0xc0 [ 433.446047] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.451071] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.456090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.461668] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.466674] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.471712] ? task_prio+0x50/0x50 [ 433.475248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.480777] ? check_preemption_disabled+0x48/0x280 [ 433.485791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.490633] apic_timer_interrupt+0xf/0x20 [ 433.494851] [ 433.497083] RIP: 0010:dump_stack+0x358/0x39d [ 433.501484] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 433.520387] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 433.528084] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 433.535340] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 433.542597] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 433.549852] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 433.557105] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 433.564647] ? dump_stack+0x34f/0x39d [ 433.568445] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.573626] ? mark_held_locks+0x130/0x130 [ 433.577852] ? mark_held_locks+0x130/0x130 [ 433.582081] dump_header+0x27b/0xf72 [ 433.585795] ? pagefault_out_of_memory+0x197/0x197 [ 433.590720] ? __lock_acquire+0x62f/0x4c20 [ 433.594952] ? percpu_ref_get_many+0x240/0x240 [ 433.599528] ? print_usage_bug+0xc0/0xc0 [ 433.603589] ? zap_class+0x640/0x640 [ 433.607292] ? print_usage_bug+0xc0/0xc0 [ 433.611344] ? print_usage_bug+0xc0/0xc0 [ 433.615397] ? zap_class+0x640/0x640 [ 433.619109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.624637] ? find_held_lock+0x36/0x1c0 [ 433.628696] ? mark_held_locks+0xc7/0x130 [ 433.632838] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.637931] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.643027] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 433.647604] ? trace_hardirqs_on+0xbd/0x310 [ 433.651911] ? kasan_check_read+0x11/0x20 [ 433.656056] ? ___ratelimit+0x3b4/0x672 [ 433.660475] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.665574] ? trace_hardirqs_on+0x310/0x310 [ 433.669978] ? lock_downgrade+0x900/0x900 [ 433.674136] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.679231] ? ___ratelimit+0x3b9/0x672 [ 433.683202] ? idr_get_free+0xf70/0xf70 [ 433.687171] ? find_held_lock+0x36/0x1c0 [ 433.691232] oom_kill_process.cold.27+0x10/0x903 [ 433.695979] ? zap_class+0x640/0x640 [ 433.699683] ? check_preemption_disabled+0x48/0x280 [ 433.704691] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.709609] ? kasan_check_read+0x11/0x20 [ 433.713746] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.719014] ? oom_evaluate_task+0x540/0x540 [ 433.723428] ? find_held_lock+0x36/0x1c0 [ 433.727485] ? out_of_memory+0x974/0x1430 [ 433.731629] ? lock_downgrade+0x900/0x900 [ 433.735772] ? check_preemption_disabled+0x48/0x280 [ 433.740783] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.745702] ? kasan_check_read+0x11/0x20 [ 433.749842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.755104] ? rcu_softirq_qs+0x20/0x20 [ 433.760290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.765817] ? oom_evaluate_task+0x302/0x540 [ 433.770217] out_of_memory+0xa84/0x1430 [ 433.774188] ? oom_killer_disable+0x3a0/0x3a0 [ 433.778668] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 433.783593] ? __ww_mutex_check_waiters+0x160/0x160 [ 433.788611] __alloc_pages_slowpath+0x2354/0x2e10 [ 433.793499] ? warn_alloc+0x120/0x120 [ 433.797308] ? mark_held_locks+0x130/0x130 [ 433.801541] ? find_get_entry+0xaae/0x1120 [ 433.805776] ? filemap_map_pages+0x1a20/0x1a20 [ 433.810360] ? zap_class+0x640/0x640 [ 433.814071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.819598] ? check_preemption_disabled+0x48/0x280 [ 433.824607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.830133] ? should_fail+0x22d/0xd01 [ 433.834040] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.839132] ? zap_class+0x640/0x640 [ 433.842856] ? __lock_is_held+0xb5/0x140 [ 433.846914] ? mark_held_locks+0x130/0x130 [ 433.851142] ? lock_release+0xa00/0xa00 [ 433.855105] ? perf_trace_sched_process_exec+0x860/0x860 [ 433.861541] ? xa_load+0x2ba/0x460 [ 433.865080] ? lock_downgrade+0x900/0x900 [ 433.869225] ? __might_sleep+0x95/0x190 [ 433.873199] __alloc_pages_nodemask+0xa80/0xde0 [ 433.877867] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 433.882876] ? __page_cache_alloc+0x191/0x5c0 [ 433.887365] ? xa_load+0x2e1/0x460 [ 433.890900] ? xa_clear_mark+0x40/0x40 [ 433.894779] ? zap_class+0x640/0x640 [ 433.898493] ? zap_class+0x640/0x640 [ 433.902214] ? zap_class+0x640/0x640 [ 433.905918] ? __do_page_cache_readahead+0x663/0x810 [ 433.911017] ? find_held_lock+0x36/0x1c0 [ 433.915087] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 433.920625] alloc_pages_current+0x173/0x350 [ 433.925033] __page_cache_alloc+0x38c/0x5c0 [ 433.929824] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.934751] ? kasan_check_read+0x11/0x20 [ 433.938890] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.944164] ? generic_perform_write+0x6a0/0x6a0 [ 433.948931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.954473] ? check_preemption_disabled+0x48/0x280 [ 433.960424] filemap_fault+0x1595/0x25f0 [ 433.964492] ? __lock_page_or_retry+0xa00/0xa00 [ 433.969153] ? mark_held_locks+0x130/0x130 [ 433.973388] ? filemap_map_pages+0xd6b/0x1a20 [ 433.977873] ? lock_downgrade+0x900/0x900 [ 433.982013] ? check_preemption_disabled+0x48/0x280 [ 433.987031] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.991960] ? kasan_check_read+0x11/0x20 [ 433.996100] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.001387] ? rcu_softirq_qs+0x20/0x20 [ 434.005365] ? filemap_map_pages+0xd92/0x1a20 [ 434.009862] ? find_get_entries_tag+0x1400/0x1400 [ 434.014701] ? debug_object_destroy+0x2b0/0x2b0 [ 434.019376] ? lock_pi_update_atomic+0x150/0x150 [ 434.024118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.029654] ? lock_acquire+0x1ed/0x520 [ 434.033617] ? ext4_filemap_fault+0x7a/0xad [ 434.037945] ? lock_release+0xa00/0xa00 [ 434.041910] ? perf_trace_sched_process_exec+0x860/0x860 [ 434.047352] ? print_usage_bug+0xc0/0xc0 [ 434.051420] ? print_usage_bug+0xc0/0xc0 [ 434.055481] ? down_read+0x8d/0x120 [ 434.059875] ? ext4_filemap_fault+0x7a/0xad [ 434.064190] ? __down_interruptible+0x700/0x700 [ 434.068876] ext4_filemap_fault+0x82/0xad [ 434.073029] __do_fault+0x100/0x6b0 [ 434.076649] ? pmd_devmap_trans_unstable+0x220/0x220 [ 434.081748] ? mark_held_locks+0x130/0x130 [ 434.085974] ? mark_held_locks+0x130/0x130 [ 434.090198] ? do_raw_spin_trylock+0x270/0x270 [ 434.094776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.100312] __handle_mm_fault+0x3ea0/0x5be0 [ 434.104715] ? perf_trace_lock+0x7a0/0x7a0 [ 434.108954] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 434.113790] ? __switch_to_asm+0x34/0x70 [ 434.117845] ? __switch_to_asm+0x34/0x70 [ 434.121912] ? zap_class+0x640/0x640 [ 434.125626] ? zap_class+0x640/0x640 [ 434.129332] ? __x64_sys_futex+0x53e/0x6a0 [ 434.133560] ? find_held_lock+0x36/0x1c0 [ 434.137618] ? handle_mm_fault+0x42a/0xc70 [ 434.141845] ? lock_downgrade+0x900/0x900 [ 434.145984] ? check_preemption_disabled+0x48/0x280 [ 434.151003] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.155930] ? kasan_check_read+0x11/0x20 [ 434.161102] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.166370] ? rcu_softirq_qs+0x20/0x20 [ 434.170336] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.175436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.180968] ? check_preemption_disabled+0x48/0x280 [ 434.185980] handle_mm_fault+0x54f/0xc70 [ 434.190036] ? __handle_mm_fault+0x5be0/0x5be0 [ 434.194611] ? find_vma+0x34/0x190 [ 434.198152] __do_page_fault+0x5e8/0xe60 [ 434.202204] ? trace_hardirqs_off+0xb8/0x310 [ 434.206621] do_page_fault+0xf2/0x7e0 [ 434.210412] ? vmalloc_sync_all+0x30/0x30 [ 434.214553] ? error_entry+0x70/0xd0 [ 434.218262] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.223272] ? trace_hardirqs_on_caller+0xc0/0x310 [ 434.228192] ? syscall_return_slowpath+0x5e0/0x5e0 [ 434.233114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.237951] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.242959] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.248406] ? prepare_exit_to_usermode+0x291/0x3b0 [ 434.253415] ? page_fault+0x8/0x30 [ 434.256950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.262591] ? page_fault+0x8/0x30 [ 434.266123] page_fault+0x1e/0x30 [ 434.269570] RIP: 0033:0x45ddf3 [ 434.272777] Code: Bad RIP value. [ 434.276124] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 434.281473] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 434.288745] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 434.296022] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 434.303293] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 434.310551] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 434.317832] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 434.317836] warn_alloc_show_mem: 1 callbacks suppressed [ 434.317842] Mem-Info: [ 434.324580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.329937] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 434.329937] active_file:12 inactive_file:13 isolated_file:0 [ 434.329937] unevictable:0 dirty:0 writeback:0 unstable:0 [ 434.329937] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 434.329937] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 434.329937] free:13705 free_pcp:178 free_cma:0 [ 434.332305] Call Trace: [ 434.341669] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 434.374854] dump_stack+0x244/0x39d [ 434.377408] Node 0 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 [ 434.405069] ? dump_stack_print_info.cold.1+0x20/0x20 [ 434.408666] lowmem_reserve[]: 0 2818 6321 6321 [ 434.434778] warn_alloc.cold.116+0xb7/0x1bd [ 434.439927] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 434.444492] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.448786] lowmem_reserve[]: 0 0 3503 3503 [ 434.476672] ? lock_downgrade+0x900/0x900 [ 434.481480] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 434.485790] ? trace_hardirqs_off+0xb8/0x310 [ 434.489904] lowmem_reserve[]: 0 0 0 0 [ 434.518878] ? trace_hardirqs_off+0xb8/0x310 [ 434.523248] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 434.527041] __alloc_pages_slowpath+0x26e8/0x2e10 [ 434.531415] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 434.544945] ? warn_alloc+0x120/0x120 [ 434.549739] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 434.565257] ? print_usage_bug+0xc0/0xc0 [ 434.569030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 434.583230] ? warn_alloc+0x120/0x120 [ 434.587264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 434.596080] ? warn_alloc+0x120/0x120 [ 434.599850] 366 total pagecache pages [ 434.608424] ? print_usage_bug+0xc0/0xc0 [ 434.612198] 0 pages in swap cache [ 434.615973] ? print_usage_bug+0xc0/0xc0 [ 434.620013] Swap cache stats: add 0, delete 0, find 0/0 [ 434.623445] ? __lock_acquire+0x62f/0x4c20 [ 434.627477] Free swap = 0kB [ 434.632846] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.637049] Total swap = 0kB [ 434.640066] ? should_fail+0x22d/0xd01 [ 434.645569] 1965979 pages RAM [ 434.648571] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.652427] 0 pages HighMem/MovableOnly [ 434.655603] ? __lock_acquire+0x62f/0x4c20 [ 434.661403] 342854 pages reserved [ 434.661410] 0 pages cma reserved [ 434.665372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.669625] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 434.673010] ? __lock_acquire+0x62f/0x4c20 [ 434.673022] ? should_fail+0x22d/0xd01 [ 434.673037] ? find_held_lock+0x36/0x1c0 [ 434.676421] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.681469] ? mark_held_locks+0x130/0x130 [ 434.687925] syz-fuzzer cpuset=/ mems_allowed=0 [ 434.692145] ? mark_held_locks+0x130/0x130 [ 434.723241] ? zap_class+0x640/0x640 [ 434.726947] ? zap_class+0x640/0x640 [ 434.730748] ? print_usage_bug+0xc0/0xc0 [ 434.734801] ? do_raw_spin_unlock+0xa7/0x330 [ 434.739199] ? zap_class+0x640/0x640 [ 434.742898] ? print_usage_bug+0xc0/0xc0 [ 434.746950] ? wq_watchdog_touch+0x9c/0xfe [ 434.751186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.756713] ? check_preemption_disabled+0x48/0x280 [ 434.762077] ? __lock_is_held+0xb5/0x140 [ 434.766135] __alloc_pages_nodemask+0xa80/0xde0 [ 434.770817] ? zap_class+0x640/0x640 [ 434.774531] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 434.779550] ? find_held_lock+0x36/0x1c0 [ 434.783607] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.788266] ? lock_downgrade+0x900/0x900 [ 434.792411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.797945] cache_grow_begin+0xa5/0x8c0 [ 434.802010] ? do_raw_spin_unlock+0xa7/0x330 [ 434.806425] fallback_alloc+0x204/0x2e0 [ 434.810392] ____cache_alloc_node+0x1c7/0x1e0 [ 434.814879] kmem_cache_alloc_node+0xe3/0x730 [ 434.819375] ? ipv6_get_ifaddr+0x42e/0x620 [ 434.823607] __alloc_skb+0x119/0x770 [ 434.827310] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.832579] ? netdev_alloc_frag+0x1f0/0x1f0 [ 434.836985] ? lock_downgrade+0x900/0x900 [ 434.841132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.846664] ? refcount_sub_and_test_checked+0x203/0x310 [ 434.852107] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 434.857877] ? addrconf_rs_timer+0x690/0x690 [ 434.862288] ndisc_alloc_skb+0x144/0x340 [ 434.866362] ndisc_send_rs+0x331/0x6e0 [ 434.870249] addrconf_rs_timer+0x314/0x690 [ 434.874483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.878728] call_timer_fn+0x272/0x920 [ 434.882603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.886833] ? process_timeout+0x40/0x40 [ 434.890889] ? __run_timers+0x7da/0xc70 [ 434.894873] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.899363] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.903950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.908194] ? lockdep_hardirqs_on+0x296/0x5b0 [ 434.912777] ? trace_hardirqs_on+0xbd/0x310 [ 434.917089] ? kasan_check_read+0x11/0x20 [ 434.921230] ? __run_timers+0x7da/0xc70 [ 434.925194] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.930294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.934528] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.938748] __run_timers+0x7e5/0xc70 [ 434.942547] ? timer_fixup_init+0x70/0x70 [ 434.946687] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.951168] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.955653] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 434.960561] ? trace_hardirqs_on+0xbd/0x310 [ 434.964867] ? kasan_check_read+0x11/0x20 [ 434.969004] ? finish_task_switch+0x1f4/0x910 [ 434.973492] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.978585] ? compat_start_thread+0x80/0x80 [ 434.983012] ? pvclock_read_flags+0x160/0x160 [ 434.987518] ? __switch_to_asm+0x34/0x70 [ 434.991569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.997116] ? check_preemption_disabled+0x48/0x280 [ 435.002156] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 435.007685] ? rcu_pm_notify+0xc0/0xc0 [ 435.011565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.017094] ? check_preemption_disabled+0x48/0x280 [ 435.022101] run_timer_softirq+0x52/0xb0 [ 435.026152] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.031166] __do_softirq+0x308/0xb7e [ 435.035002] ? trace_hardirqs_on_caller+0xc0/0x310 [ 435.039918] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.045138] ? trace_hardirqs_on+0x310/0x310 [ 435.049556] ? schedule+0x108/0x460 [ 435.053188] ? trace_hardirqs_off+0xb8/0x310 [ 435.057853] ? smpboot_thread_fn+0x68b/0xa00 [ 435.062249] ? trace_hardirqs_on+0x310/0x310 [ 435.066650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.072182] ? check_preemption_disabled+0x48/0x280 [ 435.077190] ? takeover_tasklets+0xa90/0xa90 [ 435.081594] run_ksoftirqd+0x5e/0x100 [ 435.085389] smpboot_thread_fn+0x68b/0xa00 [ 435.089617] ? sort_range+0x30/0x30 [ 435.093235] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.098329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.103859] ? __kthread_parkme+0xfb/0x1a0 [ 435.108091] ? sort_range+0x30/0x30 [ 435.111711] kthread+0x35a/0x440 [ 435.115069] ? kthread_stop+0x900/0x900 [ 435.119037] ret_from_fork+0x3a/0x50 [ 435.122759] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 435.122841] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 435.129676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.129683] Call Trace: [ 435.136219] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.145484] [ 435.148044] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 435.158811] dump_stack+0x244/0x39d [ 435.169196] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.174388] warn_alloc.cold.116+0xb7/0x1bd [ 435.178701] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.183552] ? lock_downgrade+0x900/0x900 [ 435.187697] ? trace_hardirqs_off+0xb8/0x310 [ 435.192111] ? trace_hardirqs_off+0xb8/0x310 [ 435.196520] __alloc_pages_slowpath+0x26e8/0x2e10 [ 435.201376] ? warn_alloc+0x120/0x120 [ 435.205172] ? print_usage_bug+0xc0/0xc0 [ 435.209230] ? warn_alloc+0x120/0x120 [ 435.213026] ? warn_alloc+0x120/0x120 [ 435.216824] ? print_usage_bug+0xc0/0xc0 [ 435.220885] ? print_usage_bug+0xc0/0xc0 [ 435.224948] ? __lock_acquire+0x62f/0x4c20 [ 435.229624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.235155] ? should_fail+0x22d/0xd01 [ 435.239039] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.244138] ? __lock_acquire+0x62f/0x4c20 [ 435.248370] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.253465] ? __lock_acquire+0x62f/0x4c20 [ 435.258204] ? should_fail+0x22d/0xd01 [ 435.262083] ? find_held_lock+0x36/0x1c0 [ 435.266139] ? mark_held_locks+0x130/0x130 [ 435.270370] ? mark_held_locks+0x130/0x130 [ 435.274596] ? zap_class+0x640/0x640 [ 435.278334] ? zap_class+0x640/0x640 [ 435.282041] ? print_usage_bug+0xc0/0xc0 [ 435.286090] ? do_raw_spin_unlock+0xa7/0x330 [ 435.290580] ? zap_class+0x640/0x640 [ 435.294282] ? print_usage_bug+0xc0/0xc0 [ 435.298342] ? wq_watchdog_touch+0x9c/0xfe [ 435.302574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.308192] ? check_preemption_disabled+0x48/0x280 [ 435.313203] ? __lock_is_held+0xb5/0x140 [ 435.317260] __alloc_pages_nodemask+0xa80/0xde0 [ 435.321922] ? zap_class+0x640/0x640 [ 435.325641] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 435.330660] ? find_held_lock+0x36/0x1c0 [ 435.334731] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.339394] ? lock_downgrade+0x900/0x900 [ 435.343544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.349189] cache_grow_begin+0xa5/0x8c0 [ 435.353237] ? do_raw_spin_unlock+0xa7/0x330 [ 435.358589] fallback_alloc+0x204/0x2e0 [ 435.362562] ____cache_alloc_node+0x1c7/0x1e0 [ 435.367050] kmem_cache_alloc_node+0xe3/0x730 [ 435.371536] ? ipv6_get_ifaddr+0x42e/0x620 [ 435.375771] __alloc_skb+0x119/0x770 [ 435.379474] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.384742] ? netdev_alloc_frag+0x1f0/0x1f0 [ 435.389144] ? lock_downgrade+0x900/0x900 [ 435.393292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.398819] ? refcount_sub_and_test_checked+0x203/0x310 [ 435.404277] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 435.409722] ? addrconf_rs_timer+0x690/0x690 [ 435.414138] ndisc_alloc_skb+0x144/0x340 [ 435.418194] ndisc_send_rs+0x331/0x6e0 [ 435.422082] addrconf_rs_timer+0x314/0x690 [ 435.426312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.430548] call_timer_fn+0x272/0x920 [ 435.434427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.438656] ? process_timeout+0x40/0x40 [ 435.442721] ? mark_held_locks+0xc7/0x130 [ 435.446873] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.451360] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.455843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.461014] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.465589] ? trace_hardirqs_on+0xbd/0x310 [ 435.469899] ? kasan_check_read+0x11/0x20 [ 435.474044] ? __run_timers+0x7da/0xc70 [ 435.478009] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.483111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.487346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.491590] __run_timers+0x7e5/0xc70 [ 435.495394] ? timer_fixup_init+0x70/0x70 [ 435.499534] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.504545] ? zap_class+0x640/0x640 [ 435.508261] ? print_usage_bug+0xc0/0xc0 [ 435.512320] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.517508] ? find_held_lock+0x36/0x1c0 [ 435.521565] ? zap_class+0x640/0x640 [ 435.525276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.530807] ? check_preemption_disabled+0x48/0x280 [ 435.535825] ? __lock_is_held+0xb5/0x140 [ 435.539880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.545413] ? check_preemption_disabled+0x48/0x280 [ 435.550430] run_timer_softirq+0x52/0xb0 [ 435.554493] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.560491] __do_softirq+0x308/0xb7e [ 435.564289] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 435.568772] ? lock_downgrade+0x900/0x900 [ 435.572912] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.578027] ? pvclock_read_flags+0x160/0x160 [ 435.582515] ? lapic_next_event+0x5a/0x90 [ 435.586655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.592189] ? kvm_clock_read+0x18/0x30 [ 435.596171] ? kvm_sched_clock_read+0x9/0x20 [ 435.600578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.606111] ? check_preemption_disabled+0x48/0x280 [ 435.611130] irq_exit+0x17f/0x1c0 [ 435.614577] smp_apic_timer_interrupt+0x1cb/0x760 [ 435.619405] ? smp_reschedule_interrupt+0x109/0x650 [ 435.624421] ? smp_call_function_single_interrupt+0x650/0x650 [ 435.630300] ? interrupt_entry+0xb5/0xc0 [ 435.634354] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.639360] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.644372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.649205] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.654210] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.659958] ? task_prio+0x50/0x50 [ 435.663489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.669015] ? check_preemption_disabled+0x48/0x280 [ 435.674027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.678866] apic_timer_interrupt+0xf/0x20 [ 435.683089] [ 435.685326] RIP: 0010:dump_stack+0x358/0x39d [ 435.689725] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 435.708616] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 435.716312] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 435.723568] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 435.730824] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 435.738169] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 435.745432] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 435.752701] ? dump_stack+0x34f/0x39d [ 435.756504] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.762721] ? mark_held_locks+0x130/0x130 [ 435.766960] ? mark_held_locks+0x130/0x130 [ 435.771275] dump_header+0x27b/0xf72 [ 435.774988] ? pagefault_out_of_memory+0x197/0x197 [ 435.779924] ? __lock_acquire+0x62f/0x4c20 [ 435.784246] ? percpu_ref_get_many+0x240/0x240 [ 435.788824] ? print_usage_bug+0xc0/0xc0 [ 435.792876] ? zap_class+0x640/0x640 [ 435.796591] ? print_usage_bug+0xc0/0xc0 [ 435.800640] ? print_usage_bug+0xc0/0xc0 [ 435.804693] ? zap_class+0x640/0x640 [ 435.808402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.813938] ? find_held_lock+0x36/0x1c0 [ 435.818082] ? mark_held_locks+0xc7/0x130 [ 435.822218] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 435.827313] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 435.832407] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 435.836990] ? trace_hardirqs_on+0xbd/0x310 [ 435.841302] ? kasan_check_read+0x11/0x20 [ 435.845460] ? ___ratelimit+0x3b4/0x672 [ 435.849431] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.854534] ? trace_hardirqs_on+0x310/0x310 [ 435.859863] ? lock_downgrade+0x900/0x900 [ 435.864020] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.869114] ? ___ratelimit+0x3b9/0x672 [ 435.873084] ? idr_get_free+0xf70/0xf70 [ 435.877059] ? find_held_lock+0x36/0x1c0 [ 435.881132] oom_kill_process.cold.27+0x10/0x903 [ 435.885879] ? zap_class+0x640/0x640 [ 435.889590] ? check_preemption_disabled+0x48/0x280 [ 435.894602] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 435.899526] ? kasan_check_read+0x11/0x20 [ 435.903662] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.908930] ? oom_evaluate_task+0x540/0x540 [ 435.913333] ? find_held_lock+0x36/0x1c0 [ 435.917392] ? out_of_memory+0x974/0x1430 [ 435.921533] ? lock_downgrade+0x900/0x900 [ 435.925671] ? check_preemption_disabled+0x48/0x280 [ 435.931222] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 435.936152] ? kasan_check_read+0x11/0x20 [ 435.940294] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.945562] ? rcu_softirq_qs+0x20/0x20 [ 435.949532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.955058] ? oom_evaluate_task+0x302/0x540 [ 435.959990] out_of_memory+0xa84/0x1430 [ 435.963965] ? oom_killer_disable+0x3a0/0x3a0 [ 435.968451] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 435.973374] ? __ww_mutex_check_waiters+0x160/0x160 [ 435.978387] __alloc_pages_slowpath+0x2354/0x2e10 [ 435.983257] ? warn_alloc+0x120/0x120 [ 435.987057] ? mark_held_locks+0x130/0x130 [ 435.991282] ? find_get_entry+0xaae/0x1120 [ 435.995515] ? filemap_map_pages+0x1a20/0x1a20 [ 436.000092] ? zap_class+0x640/0x640 [ 436.003808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.009342] ? check_preemption_disabled+0x48/0x280 [ 436.014348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.019879] ? should_fail+0x22d/0xd01 [ 436.023773] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.028870] ? zap_class+0x640/0x640 [ 436.032613] ? __lock_is_held+0xb5/0x140 [ 436.036676] ? mark_held_locks+0x130/0x130 [ 436.040909] ? lock_release+0xa00/0xa00 [ 436.044876] ? perf_trace_sched_process_exec+0x860/0x860 [ 436.050322] ? xa_load+0x2ba/0x460 [ 436.053851] ? lock_downgrade+0x900/0x900 [ 436.058810] ? __might_sleep+0x95/0x190 [ 436.062783] __alloc_pages_nodemask+0xa80/0xde0 [ 436.067449] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 436.072457] ? __page_cache_alloc+0x191/0x5c0 [ 436.076958] ? xa_load+0x2e1/0x460 [ 436.080490] ? xa_clear_mark+0x40/0x40 [ 436.084383] ? zap_class+0x640/0x640 [ 436.088127] ? zap_class+0x640/0x640 [ 436.091832] ? zap_class+0x640/0x640 [ 436.095542] ? __do_page_cache_readahead+0x663/0x810 [ 436.100645] ? find_held_lock+0x36/0x1c0 [ 436.104715] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 436.110247] alloc_pages_current+0x173/0x350 [ 436.114662] __page_cache_alloc+0x38c/0x5c0 [ 436.118988] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.123908] ? kasan_check_read+0x11/0x20 [ 436.128049] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.133318] ? generic_perform_write+0x6a0/0x6a0 [ 436.138067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.143602] ? check_preemption_disabled+0x48/0x280 [ 436.148616] filemap_fault+0x1595/0x25f0 [ 436.152681] ? __lock_page_or_retry+0xa00/0xa00 [ 436.157619] ? mark_held_locks+0x130/0x130 [ 436.161852] ? filemap_map_pages+0xd6b/0x1a20 [ 436.166446] ? lock_downgrade+0x900/0x900 [ 436.170587] ? check_preemption_disabled+0x48/0x280 [ 436.175599] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.180517] ? kasan_check_read+0x11/0x20 [ 436.184655] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.189927] ? rcu_softirq_qs+0x20/0x20 [ 436.193914] ? filemap_map_pages+0xd92/0x1a20 [ 436.198417] ? find_get_entries_tag+0x1400/0x1400 [ 436.203256] ? debug_object_destroy+0x2b0/0x2b0 [ 436.207924] ? lock_pi_update_atomic+0x150/0x150 [ 436.212681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.218222] ? lock_acquire+0x1ed/0x520 [ 436.222188] ? ext4_filemap_fault+0x7a/0xad [ 436.226505] ? lock_release+0xa00/0xa00 [ 436.230468] ? perf_trace_sched_process_exec+0x860/0x860 [ 436.235915] ? print_usage_bug+0xc0/0xc0 [ 436.239969] ? print_usage_bug+0xc0/0xc0 [ 436.244049] ? down_read+0x8d/0x120 [ 436.247665] ? ext4_filemap_fault+0x7a/0xad [ 436.251975] ? __down_interruptible+0x700/0x700 [ 436.256636] ext4_filemap_fault+0x82/0xad [ 436.261582] __do_fault+0x100/0x6b0 [ 436.265221] ? pmd_devmap_trans_unstable+0x220/0x220 [ 436.270315] ? mark_held_locks+0x130/0x130 [ 436.274557] ? mark_held_locks+0x130/0x130 [ 436.278787] ? do_raw_spin_trylock+0x270/0x270 [ 436.283362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.288907] __handle_mm_fault+0x3ea0/0x5be0 [ 436.293308] ? perf_trace_lock+0x7a0/0x7a0 [ 436.297553] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 436.302409] ? __switch_to_asm+0x34/0x70 [ 436.306455] ? __switch_to_asm+0x34/0x70 [ 436.310516] ? zap_class+0x640/0x640 [ 436.314222] ? zap_class+0x640/0x640 [ 436.317929] ? __x64_sys_futex+0x53e/0x6a0 [ 436.322162] ? find_held_lock+0x36/0x1c0 [ 436.326309] ? handle_mm_fault+0x42a/0xc70 [ 436.330535] ? lock_downgrade+0x900/0x900 [ 436.334672] ? check_preemption_disabled+0x48/0x280 [ 436.339683] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.344601] ? kasan_check_read+0x11/0x20 [ 436.348751] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.354017] ? rcu_softirq_qs+0x20/0x20 [ 436.358323] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.363420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.368954] ? check_preemption_disabled+0x48/0x280 [ 436.373969] handle_mm_fault+0x54f/0xc70 [ 436.378031] ? __handle_mm_fault+0x5be0/0x5be0 [ 436.382607] ? find_vma+0x34/0x190 [ 436.386152] __do_page_fault+0x5e8/0xe60 [ 436.390202] ? trace_hardirqs_off+0xb8/0x310 [ 436.394607] do_page_fault+0xf2/0x7e0 [ 436.398398] ? vmalloc_sync_all+0x30/0x30 [ 436.402536] ? error_entry+0x70/0xd0 [ 436.406241] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.411248] ? trace_hardirqs_on_caller+0xc0/0x310 [ 436.416166] ? syscall_return_slowpath+0x5e0/0x5e0 [ 436.421086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.425924] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.430931] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.436380] ? prepare_exit_to_usermode+0x291/0x3b0 [ 436.441387] ? page_fault+0x8/0x30 [ 436.444921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.449753] ? page_fault+0x8/0x30 [ 436.453290] page_fault+0x1e/0x30 [ 436.456732] RIP: 0033:0x45ddf3 [ 436.460617] Code: Bad RIP value. [ 436.463968] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 436.469318] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 436.476575] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 436.483833] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 436.491099] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 436.498361] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 436.505643] warn_alloc_show_mem: 1 callbacks suppressed [ 436.505652] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 436.505654] Mem-Info: [ 436.505683] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 436.505683] active_file:12 inactive_file:13 isolated_file:0 [ 436.505683] unevictable:0 dirty:0 writeback:0 unstable:0 [ 436.505683] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 436.505683] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 436.505683] free:13705 free_pcp:178 free_cma:0 [ 436.511012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.511018] Call Trace: [ 436.517764] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 436.520157] dump_stack+0x244/0x39d [ 436.553089] Node 0 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 [ 436.562719] ? dump_stack_print_info.cold.1+0x20/0x20 [ 436.565269] lowmem_reserve[]: 0 2818 6321 6321 [ 436.592942] warn_alloc.cold.116+0xb7/0x1bd [ 436.596534] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 436.622630] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 436.627783] lowmem_reserve[]: 0 0 3503 3503 [ 436.632355] ? lock_downgrade+0x900/0x900 [ 436.636641] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 436.664506] ? trace_hardirqs_off+0xb8/0x310 [ 436.669310] lowmem_reserve[]: 0 0 0 0 [ 436.673638] ? trace_hardirqs_off+0xb8/0x310 [ 436.677748] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 436.706706] __alloc_pages_slowpath+0x26e8/0x2e10 [ 436.711076] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 436.714894] ? warn_alloc+0x120/0x120 [ 436.719244] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 436.732752] ? print_usage_bug+0xc0/0xc0 [ 436.737579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 436.752813] ? warn_alloc+0x120/0x120 [ 436.756584] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 436.771050] ? warn_alloc+0x120/0x120 [ 436.775078] 366 total pagecache pages [ 436.783895] ? print_usage_bug+0xc0/0xc0 [ 436.787671] 0 pages in swap cache [ 436.796223] ? print_usage_bug+0xc0/0xc0 [ 436.799994] Swap cache stats: add 0, delete 0, find 0/0 [ 436.803775] ? __lock_acquire+0x62f/0x4c20 [ 436.807803] Free swap = 0kB [ 436.811242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.815270] Total swap = 0kB [ 436.820618] ? should_fail+0x22d/0xd01 [ 436.824821] 1965979 pages RAM [ 436.827830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.833338] 0 pages HighMem/MovableOnly [ 436.836352] ? __lock_acquire+0x62f/0x4c20 [ 436.840209] 342854 pages reserved [ 436.843301] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.848378] 0 pages cma reserved [ 436.852337] ? __lock_acquire+0x62f/0x4c20 [ 436.856598] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 436.860230] ? should_fail+0x22d/0xd01 [ 436.860245] ? find_held_lock+0x36/0x1c0 [ 436.865403] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 436.868677] ? mark_held_locks+0x130/0x130 [ 436.872873] syz-fuzzer cpuset=/ mems_allowed=0 [ 436.879370] ? mark_held_locks+0x130/0x130 [ 436.910502] ? zap_class+0x640/0x640 [ 436.914216] ? mark_held_locks+0xc7/0x130 [ 436.918353] ? do_raw_spin_unlock+0xa7/0x330 [ 436.922755] ? zap_class+0x640/0x640 [ 436.926474] ? print_usage_bug+0xc0/0xc0 [ 436.930534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.936069] ? check_preemption_disabled+0x48/0x280 [ 436.941083] ? __lock_is_held+0xb5/0x140 [ 436.945144] __alloc_pages_nodemask+0xa80/0xde0 [ 436.949813] ? zap_class+0x640/0x640 [ 436.953535] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 436.958885] ? find_held_lock+0x36/0x1c0 [ 436.964340] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.969001] ? lock_downgrade+0x900/0x900 [ 436.973145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.978676] cache_grow_begin+0xa5/0x8c0 [ 436.982731] ? do_raw_spin_unlock+0xa7/0x330 [ 436.987155] fallback_alloc+0x204/0x2e0 [ 436.991124] ____cache_alloc_node+0x1c7/0x1e0 [ 436.995613] kmem_cache_alloc_node+0xe3/0x730 [ 437.000096] ? ipv6_get_ifaddr+0x42e/0x620 [ 437.004327] __alloc_skb+0x119/0x770 [ 437.008041] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.013311] ? netdev_alloc_frag+0x1f0/0x1f0 [ 437.017706] ? lock_downgrade+0x900/0x900 [ 437.021859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.027385] ? refcount_sub_and_test_checked+0x203/0x310 [ 437.032829] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 437.038273] ? addrconf_rs_timer+0x690/0x690 [ 437.042678] ndisc_alloc_skb+0x144/0x340 [ 437.046731] ndisc_send_rs+0x331/0x6e0 [ 437.050615] addrconf_rs_timer+0x314/0x690 [ 437.054854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.059390] call_timer_fn+0x272/0x920 [ 437.063266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.067490] ? process_timeout+0x40/0x40 [ 437.071546] ? __run_timers+0x7da/0xc70 [ 437.075518] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.080002] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.084487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.088714] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.093286] ? trace_hardirqs_on+0xbd/0x310 [ 437.097596] ? kasan_check_read+0x11/0x20 [ 437.101739] ? __run_timers+0x7da/0xc70 [ 437.105703] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.110793] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.115026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.119250] __run_timers+0x7e5/0xc70 [ 437.123047] ? timer_fixup_init+0x70/0x70 [ 437.127185] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.131747] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.136232] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 437.140809] ? trace_hardirqs_on+0xbd/0x310 [ 437.145135] ? kasan_check_read+0x11/0x20 [ 437.149275] ? finish_task_switch+0x1f4/0x910 [ 437.153762] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.159123] ? compat_start_thread+0x80/0x80 [ 437.163546] ? pvclock_read_flags+0x160/0x160 [ 437.168027] ? __switch_to_asm+0x34/0x70 [ 437.172081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.177615] ? check_preemption_disabled+0x48/0x280 [ 437.182626] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 437.188155] ? rcu_pm_notify+0xc0/0xc0 [ 437.192036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.197566] ? check_preemption_disabled+0x48/0x280 [ 437.202577] run_timer_softirq+0x52/0xb0 [ 437.206636] ? rcu_read_lock_sched_held+0x14f/0x180 [ 437.211646] __do_softirq+0x308/0xb7e [ 437.215443] ? trace_hardirqs_on_caller+0xc0/0x310 [ 437.220365] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 437.225462] ? trace_hardirqs_on+0x310/0x310 [ 437.229870] ? schedule+0x108/0x460 [ 437.233500] ? trace_hardirqs_off+0xb8/0x310 [ 437.237901] ? smpboot_thread_fn+0x68b/0xa00 [ 437.242300] ? trace_hardirqs_on+0x310/0x310 [ 437.246700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.252226] ? check_preemption_disabled+0x48/0x280 [ 437.257553] ? takeover_tasklets+0xa90/0xa90 [ 437.261948] run_ksoftirqd+0x5e/0x100 [ 437.265738] smpboot_thread_fn+0x68b/0xa00 [ 437.269967] ? sort_range+0x30/0x30 [ 437.273588] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 437.278685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.284214] ? __kthread_parkme+0xfb/0x1a0 [ 437.288443] ? sort_range+0x30/0x30 [ 437.292061] kthread+0x35a/0x440 [ 437.295421] ? kthread_stop+0x900/0x900 [ 437.299389] ret_from_fork+0x3a/0x50 [ 437.303113] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 437.303178] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 437.310026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.310033] Call Trace: [ 437.316576] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.325838] [ 437.328404] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 437.338699] dump_stack+0x244/0x39d [ 437.349080] ? dump_stack_print_info.cold.1+0x20/0x20 [ 437.354269] warn_alloc.cold.116+0xb7/0x1bd [ 437.359346] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.364188] ? lock_downgrade+0x900/0x900 [ 437.368341] ? trace_hardirqs_off+0xb8/0x310 [ 437.372749] ? trace_hardirqs_off+0xb8/0x310 [ 437.377257] __alloc_pages_slowpath+0x26e8/0x2e10 [ 437.382112] ? warn_alloc+0x120/0x120 [ 437.385911] ? print_usage_bug+0xc0/0xc0 [ 437.389968] ? warn_alloc+0x120/0x120 [ 437.393768] ? warn_alloc+0x120/0x120 [ 437.397583] ? print_usage_bug+0xc0/0xc0 [ 437.401633] ? kvm_clock_read+0x18/0x30 [ 437.405601] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 437.410632] ? print_usage_bug+0xc0/0xc0 [ 437.414687] ? __lock_acquire+0x62f/0x4c20 [ 437.418919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.424446] ? should_fail+0x22d/0xd01 [ 437.428327] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.433607] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.438716] ? __lock_acquire+0x62f/0x4c20 [ 437.442948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.448042] ? __lock_acquire+0x62f/0x4c20 [ 437.452268] ? should_fail+0x22d/0xd01 [ 437.456148] ? rcu_irq_exit+0x1a2/0x390 [ 437.461072] ? mark_held_locks+0x130/0x130 [ 437.465305] ? mark_held_locks+0x130/0x130 [ 437.469627] ? mark_held_locks+0xc7/0x130 [ 437.473775] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 437.478799] ? zap_class+0x640/0x640 [ 437.482527] ? print_usage_bug+0xc0/0xc0 [ 437.486603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.492130] ? check_preemption_disabled+0x48/0x280 [ 437.497144] ? __lock_is_held+0xb5/0x140 [ 437.501199] __alloc_pages_nodemask+0xa80/0xde0 [ 437.505855] ? zap_class+0x640/0x640 [ 437.509564] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 437.514592] ? find_held_lock+0x36/0x1c0 [ 437.518655] ? ____cache_alloc_node+0x1c7/0x1e0 [ 437.523322] ? lock_downgrade+0x900/0x900 [ 437.527468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.532998] cache_grow_begin+0xa5/0x8c0 [ 437.537164] ? do_raw_spin_unlock+0xa7/0x330 [ 437.541574] fallback_alloc+0x204/0x2e0 [ 437.545546] ____cache_alloc_node+0x1c7/0x1e0 [ 437.550038] kmem_cache_alloc_node+0xe3/0x730 [ 437.554523] ? ipv6_get_ifaddr+0x42e/0x620 [ 437.559092] __alloc_skb+0x119/0x770 [ 437.562806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.568078] ? netdev_alloc_frag+0x1f0/0x1f0 [ 437.572474] ? lock_downgrade+0x900/0x900 [ 437.576622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.582165] ? refcount_sub_and_test_checked+0x203/0x310 [ 437.587609] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 437.593049] ? addrconf_rs_timer+0x690/0x690 [ 437.597459] ndisc_alloc_skb+0x144/0x340 [ 437.601537] ndisc_send_rs+0x331/0x6e0 [ 437.605420] addrconf_rs_timer+0x314/0x690 [ 437.609651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.613887] call_timer_fn+0x272/0x920 [ 437.617789] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.622030] ? process_timeout+0x40/0x40 [ 437.626089] ? mark_held_locks+0xc7/0x130 [ 437.630230] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.634713] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.639196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.643421] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.647993] ? trace_hardirqs_on+0xbd/0x310 [ 437.652308] ? kasan_check_read+0x11/0x20 [ 437.656444] ? __run_timers+0x7da/0xc70 [ 437.661248] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.666346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.670579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.674804] __run_timers+0x7e5/0xc70 [ 437.678609] ? timer_fixup_init+0x70/0x70 [ 437.682747] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 437.687763] ? zap_class+0x640/0x640 [ 437.691479] ? print_usage_bug+0xc0/0xc0 [ 437.695533] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 437.700721] ? find_held_lock+0x36/0x1c0 [ 437.704790] ? zap_class+0x640/0x640 [ 437.708498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.714024] ? check_preemption_disabled+0x48/0x280 [ 437.719040] ? __lock_is_held+0xb5/0x140 [ 437.723097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.728626] ? check_preemption_disabled+0x48/0x280 [ 437.733637] run_timer_softirq+0x52/0xb0 [ 437.737687] ? rcu_read_lock_sched_held+0x14f/0x180 [ 437.742691] __do_softirq+0x308/0xb7e [ 437.746484] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 437.750983] ? lock_downgrade+0x900/0x900 [ 437.755132] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 437.761338] ? pvclock_read_flags+0x160/0x160 [ 437.765829] ? lapic_next_event+0x5a/0x90 [ 437.769990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.775523] ? kvm_clock_read+0x18/0x30 [ 437.779488] ? kvm_sched_clock_read+0x9/0x20 [ 437.783892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.789419] ? check_preemption_disabled+0x48/0x280 [ 437.794425] irq_exit+0x17f/0x1c0 [ 437.797867] smp_apic_timer_interrupt+0x1cb/0x760 [ 437.802713] ? smp_reschedule_interrupt+0x109/0x650 [ 437.807723] ? smp_call_function_single_interrupt+0x650/0x650 [ 437.813600] ? interrupt_entry+0xb5/0xc0 [ 437.817665] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.822669] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.827678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.832516] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.837523] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.842533] ? task_prio+0x50/0x50 [ 437.846077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.851608] ? check_preemption_disabled+0x48/0x280 [ 437.856622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.862418] apic_timer_interrupt+0xf/0x20 [ 437.866639] [ 437.868869] RIP: 0010:dump_stack+0x358/0x39d [ 437.873273] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 437.892181] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 437.899901] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 437.907162] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 437.914420] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 437.921678] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 437.929473] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 437.936782] ? dump_stack+0x34f/0x39d [ 437.940597] ? dump_stack_print_info.cold.1+0x20/0x20 [ 437.945790] ? mark_held_locks+0x130/0x130 [ 437.950016] ? mark_held_locks+0x130/0x130 [ 437.954257] dump_header+0x27b/0xf72 [ 437.958790] ? pagefault_out_of_memory+0x197/0x197 [ 437.963718] ? __lock_acquire+0x62f/0x4c20 [ 437.967946] ? percpu_ref_get_many+0x240/0x240 [ 437.972526] ? print_usage_bug+0xc0/0xc0 [ 437.976581] ? zap_class+0x640/0x640 [ 437.980291] ? print_usage_bug+0xc0/0xc0 [ 437.984427] ? print_usage_bug+0xc0/0xc0 [ 437.988654] ? zap_class+0x640/0x640 [ 437.992368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.997915] ? find_held_lock+0x36/0x1c0 [ 438.001974] ? mark_held_locks+0xc7/0x130 [ 438.006112] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 438.011207] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 438.016305] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 438.020885] ? trace_hardirqs_on+0xbd/0x310 [ 438.025198] ? kasan_check_read+0x11/0x20 [ 438.029337] ? ___ratelimit+0x3b4/0x672 [ 438.033307] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.038404] ? trace_hardirqs_on+0x310/0x310 [ 438.042808] ? lock_downgrade+0x900/0x900 [ 438.046949] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 438.052045] ? ___ratelimit+0x3b9/0x672 [ 438.056017] ? idr_get_free+0xf70/0xf70 [ 438.060346] ? find_held_lock+0x36/0x1c0 [ 438.064410] oom_kill_process.cold.27+0x10/0x903 [ 438.069162] ? zap_class+0x640/0x640 [ 438.072867] ? check_preemption_disabled+0x48/0x280 [ 438.077877] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.082820] ? kasan_check_read+0x11/0x20 [ 438.086960] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.092230] ? oom_evaluate_task+0x540/0x540 [ 438.096638] ? find_held_lock+0x36/0x1c0 [ 438.100701] ? out_of_memory+0x974/0x1430 [ 438.104848] ? lock_downgrade+0x900/0x900 [ 438.108990] ? check_preemption_disabled+0x48/0x280 [ 438.114002] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.118921] ? kasan_check_read+0x11/0x20 [ 438.123061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.128333] ? rcu_softirq_qs+0x20/0x20 [ 438.132306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.137847] ? oom_evaluate_task+0x302/0x540 [ 438.142249] out_of_memory+0xa84/0x1430 [ 438.146226] ? oom_killer_disable+0x3a0/0x3a0 [ 438.150716] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 438.155642] ? __ww_mutex_check_waiters+0x160/0x160 [ 438.161050] __alloc_pages_slowpath+0x2354/0x2e10 [ 438.165914] ? warn_alloc+0x120/0x120 [ 438.169706] ? mark_held_locks+0x130/0x130 [ 438.173947] ? find_get_entry+0xaae/0x1120 [ 438.178194] ? filemap_map_pages+0x1a20/0x1a20 [ 438.182785] ? zap_class+0x640/0x640 [ 438.186498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.192120] ? check_preemption_disabled+0x48/0x280 [ 438.197128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.202674] ? should_fail+0x22d/0xd01 [ 438.206559] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.211659] ? zap_class+0x640/0x640 [ 438.215385] ? __lock_is_held+0xb5/0x140 [ 438.219445] ? mark_held_locks+0x130/0x130 [ 438.223673] ? lock_release+0xa00/0xa00 [ 438.227643] ? perf_trace_sched_process_exec+0x860/0x860 [ 438.233084] ? xa_load+0x2ba/0x460 [ 438.236619] ? lock_downgrade+0x900/0x900 [ 438.240769] ? __might_sleep+0x95/0x190 [ 438.244752] __alloc_pages_nodemask+0xa80/0xde0 [ 438.249511] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 438.254520] ? __page_cache_alloc+0x191/0x5c0 [ 438.259960] ? xa_load+0x2e1/0x460 [ 438.263497] ? xa_clear_mark+0x40/0x40 [ 438.267379] ? zap_class+0x640/0x640 [ 438.271101] ? zap_class+0x640/0x640 [ 438.274818] ? zap_class+0x640/0x640 [ 438.278532] ? __do_page_cache_readahead+0x663/0x810 [ 438.283728] ? find_held_lock+0x36/0x1c0 [ 438.287793] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 438.293330] alloc_pages_current+0x173/0x350 [ 438.297736] __page_cache_alloc+0x38c/0x5c0 [ 438.302064] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.306994] ? kasan_check_read+0x11/0x20 [ 438.311132] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.316405] ? generic_perform_write+0x6a0/0x6a0 [ 438.321153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.326683] ? check_preemption_disabled+0x48/0x280 [ 438.331700] filemap_fault+0x1595/0x25f0 [ 438.335773] ? __lock_page_or_retry+0xa00/0xa00 [ 438.340435] ? mark_held_locks+0x130/0x130 [ 438.344672] ? filemap_map_pages+0xd6b/0x1a20 [ 438.349158] ? lock_downgrade+0x900/0x900 [ 438.353296] ? check_preemption_disabled+0x48/0x280 [ 438.358779] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.363705] ? kasan_check_read+0x11/0x20 [ 438.367865] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.373135] ? rcu_softirq_qs+0x20/0x20 [ 438.377114] ? filemap_map_pages+0xd92/0x1a20 [ 438.381611] ? find_get_entries_tag+0x1400/0x1400 [ 438.386455] ? debug_object_destroy+0x2b0/0x2b0 [ 438.391119] ? lock_pi_update_atomic+0x150/0x150 [ 438.395870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.401411] ? lock_acquire+0x1ed/0x520 [ 438.405395] ? ext4_filemap_fault+0x7a/0xad [ 438.409716] ? lock_release+0xa00/0xa00 [ 438.413687] ? perf_trace_sched_process_exec+0x860/0x860 [ 438.419129] ? print_usage_bug+0xc0/0xc0 [ 438.423188] ? print_usage_bug+0xc0/0xc0 [ 438.427253] ? down_read+0x8d/0x120 [ 438.430871] ? ext4_filemap_fault+0x7a/0xad [ 438.435193] ? __down_interruptible+0x700/0x700 [ 438.439862] ext4_filemap_fault+0x82/0xad [ 438.444007] __do_fault+0x100/0x6b0 [ 438.447631] ? pmd_devmap_trans_unstable+0x220/0x220 [ 438.453212] ? mark_held_locks+0x130/0x130 [ 438.458387] ? mark_held_locks+0x130/0x130 [ 438.462614] ? do_raw_spin_trylock+0x270/0x270 [ 438.467195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.472734] __handle_mm_fault+0x3ea0/0x5be0 [ 438.477133] ? perf_trace_lock+0x7a0/0x7a0 [ 438.481369] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 438.486210] ? __switch_to_asm+0x34/0x70 [ 438.490267] ? __switch_to_asm+0x34/0x70 [ 438.494329] ? zap_class+0x640/0x640 [ 438.498036] ? zap_class+0x640/0x640 [ 438.501748] ? __x64_sys_futex+0x53e/0x6a0 [ 438.505979] ? find_held_lock+0x36/0x1c0 [ 438.510038] ? handle_mm_fault+0x42a/0xc70 [ 438.514270] ? lock_downgrade+0x900/0x900 [ 438.518414] ? check_preemption_disabled+0x48/0x280 [ 438.523420] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.528352] ? kasan_check_read+0x11/0x20 [ 438.532491] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.537761] ? rcu_softirq_qs+0x20/0x20 [ 438.541736] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.546831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.552362] ? check_preemption_disabled+0x48/0x280 [ 438.558220] handle_mm_fault+0x54f/0xc70 [ 438.562278] ? __handle_mm_fault+0x5be0/0x5be0 [ 438.566857] ? find_vma+0x34/0x190 [ 438.570391] __do_page_fault+0x5e8/0xe60 [ 438.574442] ? trace_hardirqs_off+0xb8/0x310 [ 438.578848] do_page_fault+0xf2/0x7e0 [ 438.582646] ? vmalloc_sync_all+0x30/0x30 [ 438.586789] ? error_entry+0x70/0xd0 [ 438.590496] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.595505] ? trace_hardirqs_on_caller+0xc0/0x310 [ 438.600431] ? syscall_return_slowpath+0x5e0/0x5e0 [ 438.605352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.610190] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.615199] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 438.620642] ? prepare_exit_to_usermode+0x291/0x3b0 [ 438.625654] ? page_fault+0x8/0x30 [ 438.629192] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.634027] ? page_fault+0x8/0x30 [ 438.637560] page_fault+0x1e/0x30 [ 438.641006] RIP: 0033:0x45ddf3 [ 438.644203] Code: Bad RIP value. [ 438.647559] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 438.652913] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 438.660973] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 438.668242] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 438.675502] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 438.682763] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 438.690052] warn_alloc_show_mem: 1 callbacks suppressed [ 438.690060] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 438.690062] Mem-Info: [ 438.690090] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 438.690090] active_file:12 inactive_file:13 isolated_file:0 [ 438.690090] unevictable:0 dirty:0 writeback:0 unstable:0 [ 438.690090] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 438.690090] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 438.690090] free:13705 free_pcp:178 free_cma:0 [ 438.695420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 438.702170] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 438.704556] Call Trace: [ 438.737493] Node 0 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 [ 438.746836] dump_stack+0x244/0x39d [ 438.775470] lowmem_reserve[]: 0 2818 6321 6321 [ 438.778055] ? dump_stack_print_info.cold.1+0x20/0x20 [ 438.804131] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 438.807762] warn_alloc.cold.116+0xb7/0x1bd [ 438.812305] lowmem_reserve[]: 0 0 3503 3503 [ 438.817492] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 438.844958] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 438.849273] ? lock_downgrade+0x900/0x900 [ 438.853570] lowmem_reserve[]: 0 0 0 0 [ 438.858775] ? trace_hardirqs_off+0xb8/0x310 [ 438.887723] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 438.891878] ? trace_hardirqs_off+0xb8/0x310 [ 438.895649] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 438.900050] __alloc_pages_slowpath+0x26e8/0x2e10 [ 438.913553] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 438.917965] ? warn_alloc+0x120/0x120 [ 438.933175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 438.937991] ? print_usage_bug+0xc0/0xc0 [ 438.952176] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 438.952184] 366 total pagecache pages [ 438.955967] ? warn_alloc+0x120/0x120 [ 438.965728] 0 pages in swap cache [ 438.969767] ? warn_alloc+0x120/0x120 [ 438.978312] Swap cache stats: add 0, delete 0, find 0/0 [ 438.982091] ? print_usage_bug+0xc0/0xc0 [ 438.985860] Free swap = 0kB [ 438.989296] ? print_usage_bug+0xc0/0xc0 [ 438.993061] Total swap = 0kB [ 438.993068] 1965979 pages RAM [ 438.998412] ? __lock_acquire+0x62f/0x4c20 [ 439.002442] 0 pages HighMem/MovableOnly [ 439.005446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.009472] 342854 pages reserved [ 439.012474] ? should_fail+0x22d/0xd01 [ 439.015547] 0 pages cma reserved [ 439.019765] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.023773] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 439.029243] ? __lock_acquire+0x62f/0x4c20 [ 439.032739] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 439.036533] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.039869] syz-fuzzer cpuset=/ mems_allowed=0 [ 439.044951] ? __lock_acquire+0x62f/0x4c20 [ 439.044965] ? should_fail+0x22d/0xd01 [ 439.083817] ? find_held_lock+0x36/0x1c0 [ 439.087875] ? mark_held_locks+0x130/0x130 [ 439.092110] ? mark_held_locks+0x130/0x130 [ 439.096337] ? zap_class+0x640/0x640 [ 439.100051] ? mark_held_locks+0xc7/0x130 [ 439.104208] ? do_raw_spin_unlock+0xa7/0x330 [ 439.108613] ? zap_class+0x640/0x640 [ 439.112323] ? print_usage_bug+0xc0/0xc0 [ 439.116395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.121946] ? check_preemption_disabled+0x48/0x280 [ 439.126959] ? __lock_is_held+0xb5/0x140 [ 439.131016] __alloc_pages_nodemask+0xa80/0xde0 [ 439.135679] ? zap_class+0x640/0x640 [ 439.139401] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 439.144417] ? find_held_lock+0x36/0x1c0 [ 439.148477] ? ____cache_alloc_node+0x1c7/0x1e0 [ 439.153134] ? lock_downgrade+0x900/0x900 [ 439.157564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.163098] cache_grow_begin+0xa5/0x8c0 [ 439.167147] ? do_raw_spin_unlock+0xa7/0x330 [ 439.171551] fallback_alloc+0x204/0x2e0 [ 439.175520] ____cache_alloc_node+0x1c7/0x1e0 [ 439.180012] kmem_cache_alloc_node+0xe3/0x730 [ 439.184498] ? ipv6_get_ifaddr+0x42e/0x620 [ 439.188740] __alloc_skb+0x119/0x770 [ 439.192446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.197719] ? netdev_alloc_frag+0x1f0/0x1f0 [ 439.202122] ? lock_downgrade+0x900/0x900 [ 439.206268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.211817] ? refcount_sub_and_test_checked+0x203/0x310 [ 439.217275] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 439.222716] ? addrconf_rs_timer+0x690/0x690 [ 439.227126] ndisc_alloc_skb+0x144/0x340 [ 439.231202] ndisc_send_rs+0x331/0x6e0 [ 439.235086] addrconf_rs_timer+0x314/0x690 [ 439.239325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.243556] call_timer_fn+0x272/0x920 [ 439.247431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.251671] ? process_timeout+0x40/0x40 [ 439.255744] ? __run_timers+0x7da/0xc70 [ 439.260020] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.264501] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.268994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.273218] ? lockdep_hardirqs_on+0x296/0x5b0 [ 439.277787] ? trace_hardirqs_on+0xbd/0x310 [ 439.282097] ? kasan_check_read+0x11/0x20 [ 439.286230] ? __run_timers+0x7da/0xc70 [ 439.290201] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.295303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.299536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.303764] __run_timers+0x7e5/0xc70 [ 439.307564] ? timer_fixup_init+0x70/0x70 [ 439.311713] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.316199] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.320699] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 439.325362] ? trace_hardirqs_on+0xbd/0x310 [ 439.329685] ? kasan_check_read+0x11/0x20 [ 439.333827] ? finish_task_switch+0x1f4/0x910 [ 439.338310] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.343402] ? compat_start_thread+0x80/0x80 [ 439.347818] ? pvclock_read_flags+0x160/0x160 [ 439.352301] ? __switch_to_asm+0x34/0x70 [ 439.356370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.362185] ? check_preemption_disabled+0x48/0x280 [ 439.367202] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 439.372739] ? rcu_pm_notify+0xc0/0xc0 [ 439.376621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.382153] ? check_preemption_disabled+0x48/0x280 [ 439.387172] run_timer_softirq+0x52/0xb0 [ 439.391223] ? rcu_read_lock_sched_held+0x14f/0x180 [ 439.396232] __do_softirq+0x308/0xb7e [ 439.400030] ? trace_hardirqs_on_caller+0xc0/0x310 [ 439.404955] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 439.410050] ? trace_hardirqs_on+0x310/0x310 [ 439.414456] ? schedule+0x108/0x460 [ 439.418085] ? trace_hardirqs_off+0xb8/0x310 [ 439.422486] ? smpboot_thread_fn+0x68b/0xa00 [ 439.426889] ? trace_hardirqs_on+0x310/0x310 [ 439.431292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.436819] ? check_preemption_disabled+0x48/0x280 [ 439.441829] ? takeover_tasklets+0xa90/0xa90 [ 439.446230] run_ksoftirqd+0x5e/0x100 [ 439.450025] smpboot_thread_fn+0x68b/0xa00 [ 439.454258] ? sort_range+0x30/0x30 [ 439.458320] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 439.463420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.468948] ? __kthread_parkme+0xfb/0x1a0 [ 439.473174] ? sort_range+0x30/0x30 [ 439.476791] kthread+0x35a/0x440 [ 439.480151] ? kthread_stop+0x900/0x900 [ 439.484122] ret_from_fork+0x3a/0x50 [ 439.487843] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 439.487908] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 439.494760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.494765] Call Trace: [ 439.494771] [ 439.494787] dump_stack+0x244/0x39d [ 439.494805] ? dump_stack_print_info.cold.1+0x20/0x20 [ 439.501363] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 439.510727] warn_alloc.cold.116+0xb7/0x1bd [ 439.513273] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 439.515408] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 439.548404] ? lock_downgrade+0x900/0x900 [ 439.552552] ? trace_hardirqs_off+0xb8/0x310 [ 439.557891] ? trace_hardirqs_off+0xb8/0x310 [ 439.562298] __alloc_pages_slowpath+0x26e8/0x2e10 [ 439.567164] ? warn_alloc+0x120/0x120 [ 439.570965] ? print_usage_bug+0xc0/0xc0 [ 439.575018] ? warn_alloc+0x120/0x120 [ 439.578810] ? warn_alloc+0x120/0x120 [ 439.582617] ? print_usage_bug+0xc0/0xc0 [ 439.586675] ? kvm_clock_read+0x18/0x30 [ 439.590644] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 439.595669] ? print_usage_bug+0xc0/0xc0 [ 439.599743] ? __lock_acquire+0x62f/0x4c20 [ 439.603976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.609508] ? should_fail+0x22d/0xd01 [ 439.613386] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.618663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.623757] ? __lock_acquire+0x62f/0x4c20 [ 439.628001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.633095] ? __lock_acquire+0x62f/0x4c20 [ 439.637319] ? should_fail+0x22d/0xd01 [ 439.641196] ? rcu_irq_exit+0x1a2/0x390 [ 439.645186] ? mark_held_locks+0x130/0x130 [ 439.649417] ? mark_held_locks+0x130/0x130 [ 439.653657] ? mark_held_locks+0xc7/0x130 [ 439.658575] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 439.663586] ? zap_class+0x640/0x640 [ 439.667291] ? print_usage_bug+0xc0/0xc0 [ 439.671344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.676876] ? check_preemption_disabled+0x48/0x280 [ 439.681895] ? __lock_is_held+0xb5/0x140 [ 439.685958] __alloc_pages_nodemask+0xa80/0xde0 [ 439.690620] ? zap_class+0x640/0x640 [ 439.694344] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 439.699361] ? find_held_lock+0x36/0x1c0 [ 439.703425] ? ____cache_alloc_node+0x1c7/0x1e0 [ 439.708087] ? lock_downgrade+0x900/0x900 [ 439.712235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.717771] cache_grow_begin+0xa5/0x8c0 [ 439.721822] ? do_raw_spin_unlock+0xa7/0x330 [ 439.726226] fallback_alloc+0x204/0x2e0 [ 439.730202] ____cache_alloc_node+0x1c7/0x1e0 [ 439.734694] kmem_cache_alloc_node+0xe3/0x730 [ 439.739190] ? ipv6_get_ifaddr+0x42e/0x620 [ 439.743431] __alloc_skb+0x119/0x770 [ 439.747151] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.752428] ? netdev_alloc_frag+0x1f0/0x1f0 [ 439.756830] ? lock_downgrade+0x900/0x900 [ 439.762041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.767570] ? refcount_sub_and_test_checked+0x203/0x310 [ 439.773017] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 439.778470] ? addrconf_rs_timer+0x690/0x690 [ 439.782880] ndisc_alloc_skb+0x144/0x340 [ 439.786940] ndisc_send_rs+0x331/0x6e0 [ 439.790821] addrconf_rs_timer+0x314/0x690 [ 439.795056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.799293] call_timer_fn+0x272/0x920 [ 439.803176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.807409] ? process_timeout+0x40/0x40 [ 439.811475] ? mark_held_locks+0xc7/0x130 [ 439.815627] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.820114] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.824596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.828821] ? lockdep_hardirqs_on+0x296/0x5b0 [ 439.833413] ? trace_hardirqs_on+0xbd/0x310 [ 439.837735] ? kasan_check_read+0x11/0x20 [ 439.841879] ? __run_timers+0x7da/0xc70 [ 439.845845] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.850951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.855191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.860197] __run_timers+0x7e5/0xc70 [ 439.863998] ? timer_fixup_init+0x70/0x70 [ 439.868137] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 439.873156] ? zap_class+0x640/0x640 [ 439.876869] ? print_usage_bug+0xc0/0xc0 [ 439.880943] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 439.886132] ? find_held_lock+0x36/0x1c0 [ 439.890197] ? zap_class+0x640/0x640 [ 439.893909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.899440] ? check_preemption_disabled+0x48/0x280 [ 439.904456] ? __lock_is_held+0xb5/0x140 [ 439.908514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.914041] ? check_preemption_disabled+0x48/0x280 [ 439.919054] run_timer_softirq+0x52/0xb0 [ 439.923107] ? rcu_read_lock_sched_held+0x14f/0x180 [ 439.928660] __do_softirq+0x308/0xb7e [ 439.932462] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 439.936949] ? lock_downgrade+0x900/0x900 [ 439.941094] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 439.946198] ? pvclock_read_flags+0x160/0x160 [ 439.950691] ? lapic_next_event+0x5a/0x90 [ 439.954834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.961292] ? kvm_clock_read+0x18/0x30 [ 439.965261] ? kvm_sched_clock_read+0x9/0x20 [ 439.969671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.975202] ? check_preemption_disabled+0x48/0x280 [ 439.980222] irq_exit+0x17f/0x1c0 [ 439.983674] smp_apic_timer_interrupt+0x1cb/0x760 [ 439.988635] ? smp_reschedule_interrupt+0x109/0x650 [ 439.993654] ? smp_call_function_single_interrupt+0x650/0x650 [ 439.999542] ? interrupt_entry+0xb5/0xc0 [ 440.003604] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.008617] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.013643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.018480] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.023488] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.028497] ? task_prio+0x50/0x50 [ 440.032029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.037556] ? check_preemption_disabled+0x48/0x280 [ 440.042567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.047409] apic_timer_interrupt+0xf/0x20 [ 440.051636] [ 440.053871] RIP: 0010:dump_stack+0x358/0x39d [ 440.059256] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 440.078159] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 440.085859] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 440.093121] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 440.100388] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 440.107646] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 440.114911] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 440.122184] ? dump_stack+0x34f/0x39d [ 440.125991] ? dump_stack_print_info.cold.1+0x20/0x20 [ 440.131177] ? mark_held_locks+0x130/0x130 [ 440.135403] ? mark_held_locks+0x130/0x130 [ 440.139642] dump_header+0x27b/0xf72 [ 440.143365] ? pagefault_out_of_memory+0x197/0x197 [ 440.148291] ? __lock_acquire+0x62f/0x4c20 [ 440.152520] ? percpu_ref_get_many+0x240/0x240 [ 440.157369] ? print_usage_bug+0xc0/0xc0 [ 440.161426] ? zap_class+0x640/0x640 [ 440.165158] ? print_usage_bug+0xc0/0xc0 [ 440.169228] ? print_usage_bug+0xc0/0xc0 [ 440.173369] ? zap_class+0x640/0x640 [ 440.177091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.182632] ? find_held_lock+0x36/0x1c0 [ 440.186696] ? mark_held_locks+0xc7/0x130 [ 440.190837] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 440.195932] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 440.201026] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 440.205603] ? trace_hardirqs_on+0xbd/0x310 [ 440.209939] ? kasan_check_read+0x11/0x20 [ 440.214083] ? ___ratelimit+0x3b4/0x672 [ 440.218052] ? trace_hardirqs_off_caller+0x310/0x310 [ 440.223152] ? trace_hardirqs_on+0x310/0x310 [ 440.227557] ? lock_downgrade+0x900/0x900 [ 440.231702] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 440.236799] ? ___ratelimit+0x3b9/0x672 [ 440.240766] ? idr_get_free+0xf70/0xf70 [ 440.244732] ? find_held_lock+0x36/0x1c0 [ 440.248799] oom_kill_process.cold.27+0x10/0x903 [ 440.253548] ? zap_class+0x640/0x640 [ 440.258014] ? check_preemption_disabled+0x48/0x280 [ 440.263025] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 440.267944] ? kasan_check_read+0x11/0x20 [ 440.272077] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.277343] ? oom_evaluate_task+0x540/0x540 [ 440.281751] ? find_held_lock+0x36/0x1c0 [ 440.285813] ? out_of_memory+0x974/0x1430 [ 440.289956] ? lock_downgrade+0x900/0x900 [ 440.294103] ? check_preemption_disabled+0x48/0x280 [ 440.299120] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 440.304050] ? kasan_check_read+0x11/0x20 [ 440.308191] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.313458] ? rcu_softirq_qs+0x20/0x20 [ 440.317429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.322955] ? oom_evaluate_task+0x302/0x540 [ 440.327358] out_of_memory+0xa84/0x1430 [ 440.331336] ? oom_killer_disable+0x3a0/0x3a0 [ 440.335826] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 440.340756] ? __ww_mutex_check_waiters+0x160/0x160 [ 440.345866] __alloc_pages_slowpath+0x2354/0x2e10 [ 440.350724] ? warn_alloc+0x120/0x120 [ 440.354518] ? mark_held_locks+0x130/0x130 [ 440.359486] ? find_get_entry+0xaae/0x1120 [ 440.363719] ? filemap_map_pages+0x1a20/0x1a20 [ 440.368295] ? zap_class+0x640/0x640 [ 440.372002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.377533] ? check_preemption_disabled+0x48/0x280 [ 440.382544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.388073] ? should_fail+0x22d/0xd01 [ 440.391981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.397083] ? zap_class+0x640/0x640 [ 440.400813] ? __lock_is_held+0xb5/0x140 [ 440.404876] ? mark_held_locks+0x130/0x130 [ 440.409105] ? lock_release+0xa00/0xa00 [ 440.413073] ? perf_trace_sched_process_exec+0x860/0x860 [ 440.418531] ? xa_load+0x2ba/0x460 [ 440.422068] ? lock_downgrade+0x900/0x900 [ 440.426216] ? __might_sleep+0x95/0x190 [ 440.430190] __alloc_pages_nodemask+0xa80/0xde0 [ 440.434857] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 440.439865] ? __page_cache_alloc+0x191/0x5c0 [ 440.444350] ? xa_load+0x2e1/0x460 [ 440.447882] ? xa_clear_mark+0x40/0x40 [ 440.451762] ? zap_class+0x640/0x640 [ 440.455477] ? zap_class+0x640/0x640 [ 440.460167] ? zap_class+0x640/0x640 [ 440.463875] ? __do_page_cache_readahead+0x663/0x810 [ 440.469211] ? find_held_lock+0x36/0x1c0 [ 440.473275] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 440.478807] alloc_pages_current+0x173/0x350 [ 440.483212] __page_cache_alloc+0x38c/0x5c0 [ 440.487527] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 440.492459] ? kasan_check_read+0x11/0x20 [ 440.496608] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.501882] ? generic_perform_write+0x6a0/0x6a0 [ 440.506631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.512163] ? check_preemption_disabled+0x48/0x280 [ 440.517179] filemap_fault+0x1595/0x25f0 [ 440.521245] ? __lock_page_or_retry+0xa00/0xa00 [ 440.525906] ? mark_held_locks+0x130/0x130 [ 440.530148] ? filemap_map_pages+0xd6b/0x1a20 [ 440.534639] ? lock_downgrade+0x900/0x900 [ 440.538778] ? check_preemption_disabled+0x48/0x280 [ 440.543795] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 440.548711] ? kasan_check_read+0x11/0x20 [ 440.552852] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.558636] ? rcu_softirq_qs+0x20/0x20 [ 440.562621] ? filemap_map_pages+0xd92/0x1a20 [ 440.567120] ? find_get_entries_tag+0x1400/0x1400 [ 440.571969] ? debug_object_destroy+0x2b0/0x2b0 [ 440.576635] ? lock_pi_update_atomic+0x150/0x150 [ 440.581391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.586930] ? lock_acquire+0x1ed/0x520 [ 440.590898] ? ext4_filemap_fault+0x7a/0xad [ 440.595221] ? lock_release+0xa00/0xa00 [ 440.599189] ? perf_trace_sched_process_exec+0x860/0x860 [ 440.604628] ? print_usage_bug+0xc0/0xc0 [ 440.608680] ? print_usage_bug+0xc0/0xc0 [ 440.612758] ? down_read+0x8d/0x120 [ 440.616375] ? ext4_filemap_fault+0x7a/0xad [ 440.620689] ? __down_interruptible+0x700/0x700 [ 440.625382] ext4_filemap_fault+0x82/0xad [ 440.629524] __do_fault+0x100/0x6b0 [ 440.633150] ? pmd_devmap_trans_unstable+0x220/0x220 [ 440.638249] ? mark_held_locks+0x130/0x130 [ 440.642475] ? mark_held_locks+0x130/0x130 [ 440.646703] ? do_raw_spin_trylock+0x270/0x270 [ 440.651283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.657339] __handle_mm_fault+0x3ea0/0x5be0 [ 440.661741] ? perf_trace_lock+0x7a0/0x7a0 [ 440.665978] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 440.670821] ? __switch_to_asm+0x34/0x70 [ 440.674874] ? __switch_to_asm+0x34/0x70 [ 440.678939] ? zap_class+0x640/0x640 [ 440.682656] ? zap_class+0x640/0x640 [ 440.686359] ? __x64_sys_futex+0x53e/0x6a0 [ 440.690598] ? find_held_lock+0x36/0x1c0 [ 440.694662] ? handle_mm_fault+0x42a/0xc70 [ 440.698904] ? lock_downgrade+0x900/0x900 [ 440.703042] ? check_preemption_disabled+0x48/0x280 [ 440.708055] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 440.712980] ? kasan_check_read+0x11/0x20 [ 440.717123] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.722391] ? rcu_softirq_qs+0x20/0x20 [ 440.726355] ? trace_hardirqs_off_caller+0x310/0x310 [ 440.731449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.736978] ? check_preemption_disabled+0x48/0x280 [ 440.741992] handle_mm_fault+0x54f/0xc70 [ 440.746051] ? __handle_mm_fault+0x5be0/0x5be0 [ 440.750630] ? find_vma+0x34/0x190 [ 440.754165] __do_page_fault+0x5e8/0xe60 [ 440.758546] ? trace_hardirqs_off+0xb8/0x310 [ 440.762961] do_page_fault+0xf2/0x7e0 [ 440.766749] ? vmalloc_sync_all+0x30/0x30 [ 440.770881] ? error_entry+0x70/0xd0 [ 440.774589] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.779603] ? trace_hardirqs_on_caller+0xc0/0x310 [ 440.784530] ? syscall_return_slowpath+0x5e0/0x5e0 [ 440.789450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.794287] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.799288] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 440.804741] ? prepare_exit_to_usermode+0x291/0x3b0 [ 440.809750] ? page_fault+0x8/0x30 [ 440.813284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.818123] ? page_fault+0x8/0x30 [ 440.821659] page_fault+0x1e/0x30 [ 440.825106] RIP: 0033:0x45ddf3 [ 440.828302] Code: Bad RIP value. [ 440.831666] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 440.837017] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 440.844277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 440.851539] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 440.859790] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 440.867057] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 440.874340] warn_alloc_show_mem: 1 callbacks suppressed [ 440.874349] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 440.874350] Mem-Info: [ 440.874379] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 440.874379] active_file:12 inactive_file:13 isolated_file:0 [ 440.874379] unevictable:0 dirty:0 writeback:0 unstable:0 [ 440.874379] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 440.874379] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 440.874379] free:13705 free_pcp:178 free_cma:0 [ 440.879713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.886459] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 440.888848] Call Trace: [ 440.921702] Node 0 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 [ 440.931053] dump_stack+0x244/0x39d [ 440.958945] lowmem_reserve[]: 0 2818 6321 6321 [ 440.961522] ? dump_stack_print_info.cold.1+0x20/0x20 [ 440.987596] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 440.991214] warn_alloc.cold.116+0xb7/0x1bd [ 440.995753] lowmem_reserve[]: 0 0 3503 3503 [ 441.000945] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 441.028407] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 441.032719] ? lock_downgrade+0x900/0x900 [ 441.037007] lowmem_reserve[]: 0 0 0 0 [ 441.041841] ? trace_hardirqs_off+0xb8/0x310 [ 441.071707] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 441.075846] ? trace_hardirqs_off+0xb8/0x310 [ 441.079617] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 441.084019] __alloc_pages_slowpath+0x26e8/0x2e10 [ 441.097500] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 441.102011] ? warn_alloc+0x120/0x120 [ 441.117223] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 441.122044] ? print_usage_bug+0xc0/0xc0 [ 441.136232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 441.140029] ? warn_alloc+0x120/0x120 [ 441.148833] 366 total pagecache pages [ 441.152884] ? warn_alloc+0x120/0x120 [ 441.162010] 0 pages in swap cache [ 441.165792] ? print_usage_bug+0xc0/0xc0 [ 441.169569] Swap cache stats: add 0, delete 0, find 0/0 [ 441.173350] ? print_usage_bug+0xc0/0xc0 [ 441.176771] Free swap = 0kB [ 441.180813] ? __lock_acquire+0x62f/0x4c20 [ 441.186143] Total swap = 0kB [ 441.190192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.193175] 1965979 pages RAM [ 441.197395] ? should_fail+0x22d/0xd01 [ 441.200379] 0 pages HighMem/MovableOnly [ 441.205899] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.208975] 342854 pages reserved [ 441.212849] ? __lock_acquire+0x62f/0x4c20 [ 441.216791] 0 pages cma reserved [ 441.221875] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.225346] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 441.229509] ? __lock_acquire+0x62f/0x4c20 [ 441.229523] ? should_fail+0x22d/0xd01 [ 441.232934] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 441.237954] ? find_held_lock+0x36/0x1c0 [ 441.244412] syz-fuzzer cpuset=/ mems_allowed=0 [ 441.248631] ? mark_held_locks+0x130/0x130 [ 441.275817] ? mark_held_locks+0x130/0x130 [ 441.280041] ? zap_class+0x640/0x640 [ 441.283754] ? mark_held_locks+0xc7/0x130 [ 441.287904] ? do_raw_spin_unlock+0xa7/0x330 [ 441.292305] ? zap_class+0x640/0x640 [ 441.296013] ? print_usage_bug+0xc0/0xc0 [ 441.300070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.305605] ? check_preemption_disabled+0x48/0x280 [ 441.310625] ? __lock_is_held+0xb5/0x140 [ 441.314684] __alloc_pages_nodemask+0xa80/0xde0 [ 441.319350] ? zap_class+0x640/0x640 [ 441.323060] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 441.328082] ? find_held_lock+0x36/0x1c0 [ 441.332147] ? ____cache_alloc_node+0x1c7/0x1e0 [ 441.336810] ? lock_downgrade+0x900/0x900 [ 441.340955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.346489] cache_grow_begin+0xa5/0x8c0 [ 441.350547] ? do_raw_spin_unlock+0xa7/0x330 [ 441.354972] fallback_alloc+0x204/0x2e0 [ 441.359273] ____cache_alloc_node+0x1c7/0x1e0 [ 441.363764] kmem_cache_alloc_node+0xe3/0x730 [ 441.368255] ? ipv6_get_ifaddr+0x42e/0x620 [ 441.372489] __alloc_skb+0x119/0x770 [ 441.376190] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.381462] ? netdev_alloc_frag+0x1f0/0x1f0 [ 441.385873] ? lock_downgrade+0x900/0x900 [ 441.390016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.395576] ? refcount_sub_and_test_checked+0x203/0x310 [ 441.401025] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 441.406467] ? addrconf_rs_timer+0x690/0x690 [ 441.410878] ndisc_alloc_skb+0x144/0x340 [ 441.414933] ndisc_send_rs+0x331/0x6e0 [ 441.418818] addrconf_rs_timer+0x314/0x690 [ 441.423051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.427289] call_timer_fn+0x272/0x920 [ 441.431196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.435423] ? process_timeout+0x40/0x40 [ 441.439484] ? __run_timers+0x7da/0xc70 [ 441.443450] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.447934] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.452427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.456656] ? lockdep_hardirqs_on+0x296/0x5b0 [ 441.461553] ? trace_hardirqs_on+0xbd/0x310 [ 441.465864] ? kasan_check_read+0x11/0x20 [ 441.470000] ? __run_timers+0x7da/0xc70 [ 441.473970] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.479066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.483298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.487524] __run_timers+0x7e5/0xc70 [ 441.491344] ? timer_fixup_init+0x70/0x70 [ 441.495482] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.499967] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.504452] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 441.509025] ? trace_hardirqs_on+0xbd/0x310 [ 441.513343] ? kasan_check_read+0x11/0x20 [ 441.517480] ? finish_task_switch+0x1f4/0x910 [ 441.521969] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.527066] ? compat_start_thread+0x80/0x80 [ 441.531479] ? pvclock_read_flags+0x160/0x160 [ 441.535965] ? __switch_to_asm+0x34/0x70 [ 441.540021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.545566] ? check_preemption_disabled+0x48/0x280 [ 441.550601] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 441.556133] ? rcu_pm_notify+0xc0/0xc0 [ 441.560309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.565834] ? check_preemption_disabled+0x48/0x280 [ 441.570863] run_timer_softirq+0x52/0xb0 [ 441.574918] ? rcu_read_lock_sched_held+0x14f/0x180 [ 441.579924] __do_softirq+0x308/0xb7e [ 441.583718] ? trace_hardirqs_on_caller+0xc0/0x310 [ 441.588659] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 441.593754] ? trace_hardirqs_on+0x310/0x310 [ 441.598160] ? schedule+0x108/0x460 [ 441.601790] ? trace_hardirqs_off+0xb8/0x310 [ 441.606199] ? smpboot_thread_fn+0x68b/0xa00 [ 441.610595] ? trace_hardirqs_on+0x310/0x310 [ 441.614998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.620533] ? check_preemption_disabled+0x48/0x280 [ 441.625555] ? takeover_tasklets+0xa90/0xa90 [ 441.629958] run_ksoftirqd+0x5e/0x100 [ 441.633748] smpboot_thread_fn+0x68b/0xa00 [ 441.637979] ? sort_range+0x30/0x30 [ 441.641597] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 441.646708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.652239] ? __kthread_parkme+0xfb/0x1a0 [ 441.656470] ? sort_range+0x30/0x30 [ 441.660385] kthread+0x35a/0x440 [ 441.663758] ? kthread_stop+0x900/0x900 [ 441.667726] ret_from_fork+0x3a/0x50 [ 441.671449] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 441.671526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 441.678453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.678460] Call Trace: [ 441.685006] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 441.694264] [ 441.696912] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 441.707203] dump_stack+0x244/0x39d [ 441.717587] ? dump_stack_print_info.cold.1+0x20/0x20 [ 441.722777] warn_alloc.cold.116+0xb7/0x1bd [ 441.727089] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 441.731925] ? lock_downgrade+0x900/0x900 [ 441.736072] ? trace_hardirqs_off+0xb8/0x310 [ 441.740479] ? trace_hardirqs_off+0xb8/0x310 [ 441.744884] __alloc_pages_slowpath+0x26e8/0x2e10 [ 441.749754] ? warn_alloc+0x120/0x120 [ 441.753547] ? print_usage_bug+0xc0/0xc0 [ 441.757946] ? warn_alloc+0x120/0x120 [ 441.761990] ? warn_alloc+0x120/0x120 [ 441.765806] ? print_usage_bug+0xc0/0xc0 [ 441.769856] ? kvm_clock_read+0x18/0x30 [ 441.773825] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 441.778852] ? print_usage_bug+0xc0/0xc0 [ 441.782923] ? __lock_acquire+0x62f/0x4c20 [ 441.787150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.792673] ? should_fail+0x22d/0xd01 [ 441.796671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.801941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.807039] ? __lock_acquire+0x62f/0x4c20 [ 441.811266] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.816375] ? __lock_acquire+0x62f/0x4c20 [ 441.820603] ? should_fail+0x22d/0xd01 [ 441.824479] ? rcu_irq_exit+0x1a2/0x390 [ 441.828464] ? mark_held_locks+0x130/0x130 [ 441.832692] ? mark_held_locks+0x130/0x130 [ 441.836925] ? mark_held_locks+0xc7/0x130 [ 441.841075] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 441.846079] ? zap_class+0x640/0x640 [ 441.849785] ? print_usage_bug+0xc0/0xc0 [ 441.853846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.860163] ? check_preemption_disabled+0x48/0x280 [ 441.865179] ? __lock_is_held+0xb5/0x140 [ 441.869245] __alloc_pages_nodemask+0xa80/0xde0 [ 441.873904] ? zap_class+0x640/0x640 [ 441.877617] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 441.882644] ? find_held_lock+0x36/0x1c0 [ 441.886704] ? ____cache_alloc_node+0x1c7/0x1e0 [ 441.891389] ? lock_downgrade+0x900/0x900 [ 441.895542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.901073] cache_grow_begin+0xa5/0x8c0 [ 441.905124] ? do_raw_spin_unlock+0xa7/0x330 [ 441.909537] fallback_alloc+0x204/0x2e0 [ 441.913514] ____cache_alloc_node+0x1c7/0x1e0 [ 441.918013] kmem_cache_alloc_node+0xe3/0x730 [ 441.922521] ? ipv6_get_ifaddr+0x42e/0x620 [ 441.927233] __alloc_skb+0x119/0x770 [ 441.930938] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.936211] ? netdev_alloc_frag+0x1f0/0x1f0 [ 441.940630] ? lock_downgrade+0x900/0x900 [ 441.944864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.950395] ? refcount_sub_and_test_checked+0x203/0x310 [ 441.955836] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 441.962240] ? addrconf_rs_timer+0x690/0x690 [ 441.966650] ndisc_alloc_skb+0x144/0x340 [ 441.970698] ndisc_send_rs+0x331/0x6e0 [ 441.974578] addrconf_rs_timer+0x314/0x690 [ 441.978809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.983046] call_timer_fn+0x272/0x920 [ 441.986925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.991153] ? process_timeout+0x40/0x40 [ 441.995218] ? mark_held_locks+0xc7/0x130 [ 441.999359] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.003846] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.008333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.012556] ? lockdep_hardirqs_on+0x296/0x5b0 [ 442.017130] ? trace_hardirqs_on+0xbd/0x310 [ 442.021443] ? kasan_check_read+0x11/0x20 [ 442.025587] ? __run_timers+0x7da/0xc70 [ 442.029569] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.034688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.038924] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.043146] __run_timers+0x7e5/0xc70 [ 442.046943] ? timer_fixup_init+0x70/0x70 [ 442.051086] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 442.056117] ? zap_class+0x640/0x640 [ 442.060332] ? print_usage_bug+0xc0/0xc0 [ 442.064389] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 442.069577] ? find_held_lock+0x36/0x1c0 [ 442.073644] ? zap_class+0x640/0x640 [ 442.077352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.082885] ? check_preemption_disabled+0x48/0x280 [ 442.087900] ? __lock_is_held+0xb5/0x140 [ 442.091955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.097487] ? check_preemption_disabled+0x48/0x280 [ 442.102513] run_timer_softirq+0x52/0xb0 [ 442.106571] ? rcu_read_lock_sched_held+0x14f/0x180 [ 442.111584] __do_softirq+0x308/0xb7e [ 442.115380] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 442.119866] ? lock_downgrade+0x900/0x900 [ 442.124035] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 442.129138] ? pvclock_read_flags+0x160/0x160 [ 442.133628] ? lapic_next_event+0x5a/0x90 [ 442.137766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.143299] ? kvm_clock_read+0x18/0x30 [ 442.147264] ? kvm_sched_clock_read+0x9/0x20 [ 442.151666] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.157963] ? check_preemption_disabled+0x48/0x280 [ 442.162978] irq_exit+0x17f/0x1c0 [ 442.166436] smp_apic_timer_interrupt+0x1cb/0x760 [ 442.171271] ? smp_reschedule_interrupt+0x109/0x650 [ 442.176280] ? smp_call_function_single_interrupt+0x650/0x650 [ 442.182150] ? interrupt_entry+0xb5/0xc0 [ 442.186205] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.191214] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.196223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.201057] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.206064] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.211074] ? task_prio+0x50/0x50 [ 442.214611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.220159] ? check_preemption_disabled+0x48/0x280 [ 442.225174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.230022] apic_timer_interrupt+0xf/0x20 [ 442.234246] [ 442.236500] RIP: 0010:dump_stack+0x358/0x39d [ 442.240905] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 442.260560] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 442.268271] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 442.275530] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 442.282786] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 442.290046] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 442.297319] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 442.304590] ? dump_stack+0x34f/0x39d [ 442.308491] ? dump_stack_print_info.cold.1+0x20/0x20 [ 442.313675] ? mark_held_locks+0x130/0x130 [ 442.317903] ? mark_held_locks+0x130/0x130 [ 442.322133] dump_header+0x27b/0xf72 [ 442.325851] ? pagefault_out_of_memory+0x197/0x197 [ 442.330782] ? __lock_acquire+0x62f/0x4c20 [ 442.335018] ? percpu_ref_get_many+0x240/0x240 [ 442.339593] ? print_usage_bug+0xc0/0xc0 [ 442.343653] ? zap_class+0x640/0x640 [ 442.347362] ? print_usage_bug+0xc0/0xc0 [ 442.351408] ? print_usage_bug+0xc0/0xc0 [ 442.355459] ? zap_class+0x640/0x640 [ 442.359954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.365501] ? find_held_lock+0x36/0x1c0 [ 442.369558] ? mark_held_locks+0xc7/0x130 [ 442.373695] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 442.378787] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 442.383882] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 442.388456] ? trace_hardirqs_on+0xbd/0x310 [ 442.392780] ? kasan_check_read+0x11/0x20 [ 442.396942] ? ___ratelimit+0x3b4/0x672 [ 442.400913] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.406021] ? trace_hardirqs_on+0x310/0x310 [ 442.410423] ? lock_downgrade+0x900/0x900 [ 442.414572] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 442.419680] ? ___ratelimit+0x3b9/0x672 [ 442.423647] ? idr_get_free+0xf70/0xf70 [ 442.427612] ? find_held_lock+0x36/0x1c0 [ 442.431673] oom_kill_process.cold.27+0x10/0x903 [ 442.436425] ? zap_class+0x640/0x640 [ 442.440132] ? check_preemption_disabled+0x48/0x280 [ 442.445141] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 442.450146] ? kasan_check_read+0x11/0x20 [ 442.454288] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.460295] ? oom_evaluate_task+0x540/0x540 [ 442.464698] ? find_held_lock+0x36/0x1c0 [ 442.468779] ? out_of_memory+0x974/0x1430 [ 442.472922] ? lock_downgrade+0x900/0x900 [ 442.477063] ? check_preemption_disabled+0x48/0x280 [ 442.482075] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 442.487000] ? kasan_check_read+0x11/0x20 [ 442.491144] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.496415] ? rcu_softirq_qs+0x20/0x20 [ 442.500402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.505928] ? oom_evaluate_task+0x302/0x540 [ 442.510330] out_of_memory+0xa84/0x1430 [ 442.514308] ? oom_killer_disable+0x3a0/0x3a0 [ 442.518793] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 442.523719] ? __ww_mutex_check_waiters+0x160/0x160 [ 442.528736] __alloc_pages_slowpath+0x2354/0x2e10 [ 442.533617] ? warn_alloc+0x120/0x120 [ 442.537408] ? mark_held_locks+0x130/0x130 [ 442.541653] ? find_get_entry+0xaae/0x1120 [ 442.545882] ? filemap_map_pages+0x1a20/0x1a20 [ 442.550459] ? zap_class+0x640/0x640 [ 442.554170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.560149] ? check_preemption_disabled+0x48/0x280 [ 442.565174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.570707] ? should_fail+0x22d/0xd01 [ 442.574595] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.579689] ? zap_class+0x640/0x640 [ 442.583414] ? __lock_is_held+0xb5/0x140 [ 442.587483] ? mark_held_locks+0x130/0x130 [ 442.591713] ? lock_release+0xa00/0xa00 [ 442.595678] ? perf_trace_sched_process_exec+0x860/0x860 [ 442.601133] ? xa_load+0x2ba/0x460 [ 442.604671] ? lock_downgrade+0x900/0x900 [ 442.608826] ? __might_sleep+0x95/0x190 [ 442.612804] __alloc_pages_nodemask+0xa80/0xde0 [ 442.617475] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 442.622487] ? __page_cache_alloc+0x191/0x5c0 [ 442.626978] ? xa_load+0x2e1/0x460 [ 442.630512] ? xa_clear_mark+0x40/0x40 [ 442.634394] ? zap_class+0x640/0x640 [ 442.638108] ? zap_class+0x640/0x640 [ 442.641811] ? zap_class+0x640/0x640 [ 442.645521] ? __do_page_cache_readahead+0x663/0x810 [ 442.650623] ? find_held_lock+0x36/0x1c0 [ 442.654691] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 442.660984] alloc_pages_current+0x173/0x350 [ 442.665405] __page_cache_alloc+0x38c/0x5c0 [ 442.669718] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 442.674636] ? kasan_check_read+0x11/0x20 [ 442.678773] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.684048] ? generic_perform_write+0x6a0/0x6a0 [ 442.688797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.694325] ? check_preemption_disabled+0x48/0x280 [ 442.699355] filemap_fault+0x1595/0x25f0 [ 442.703415] ? __lock_page_or_retry+0xa00/0xa00 [ 442.708077] ? mark_held_locks+0x130/0x130 [ 442.712493] ? filemap_map_pages+0xd6b/0x1a20 [ 442.716998] ? lock_downgrade+0x900/0x900 [ 442.721134] ? check_preemption_disabled+0x48/0x280 [ 442.726147] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 442.731070] ? kasan_check_read+0x11/0x20 [ 442.735214] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.740485] ? rcu_softirq_qs+0x20/0x20 [ 442.744473] ? filemap_map_pages+0xd92/0x1a20 [ 442.748977] ? find_get_entries_tag+0x1400/0x1400 [ 442.753817] ? debug_object_destroy+0x2b0/0x2b0 [ 442.759409] ? lock_pi_update_atomic+0x150/0x150 [ 442.764160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.769705] ? lock_acquire+0x1ed/0x520 [ 442.773673] ? ext4_filemap_fault+0x7a/0xad [ 442.778012] ? lock_release+0xa00/0xa00 [ 442.781980] ? perf_trace_sched_process_exec+0x860/0x860 [ 442.787424] ? print_usage_bug+0xc0/0xc0 [ 442.791491] ? print_usage_bug+0xc0/0xc0 [ 442.795552] ? down_read+0x8d/0x120 [ 442.799177] ? ext4_filemap_fault+0x7a/0xad [ 442.803502] ? __down_interruptible+0x700/0x700 [ 442.808181] ext4_filemap_fault+0x82/0xad [ 442.812335] __do_fault+0x100/0x6b0 [ 442.815981] ? pmd_devmap_trans_unstable+0x220/0x220 [ 442.821109] ? mark_held_locks+0x130/0x130 [ 442.825350] ? mark_held_locks+0x130/0x130 [ 442.829578] ? do_raw_spin_trylock+0x270/0x270 [ 442.834160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.839695] __handle_mm_fault+0x3ea0/0x5be0 [ 442.844093] ? perf_trace_lock+0x7a0/0x7a0 [ 442.848323] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 442.853164] ? __switch_to_asm+0x34/0x70 [ 442.858006] ? __switch_to_asm+0x34/0x70 [ 442.862071] ? zap_class+0x640/0x640 [ 442.865774] ? zap_class+0x640/0x640 [ 442.869480] ? __x64_sys_futex+0x53e/0x6a0 [ 442.873708] ? find_held_lock+0x36/0x1c0 [ 442.877784] ? handle_mm_fault+0x42a/0xc70 [ 442.882012] ? lock_downgrade+0x900/0x900 [ 442.886168] ? check_preemption_disabled+0x48/0x280 [ 442.891182] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 442.896105] ? kasan_check_read+0x11/0x20 [ 442.900243] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.905511] ? rcu_softirq_qs+0x20/0x20 [ 442.909480] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.914574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.920101] ? check_preemption_disabled+0x48/0x280 [ 442.925117] handle_mm_fault+0x54f/0xc70 [ 442.929172] ? __handle_mm_fault+0x5be0/0x5be0 [ 442.933748] ? find_vma+0x34/0x190 [ 442.937286] __do_page_fault+0x5e8/0xe60 [ 442.941338] ? trace_hardirqs_off+0xb8/0x310 [ 442.945747] do_page_fault+0xf2/0x7e0 [ 442.949544] ? vmalloc_sync_all+0x30/0x30 [ 442.953680] ? error_entry+0x70/0xd0 [ 442.957866] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.962873] ? trace_hardirqs_on_caller+0xc0/0x310 [ 442.967798] ? syscall_return_slowpath+0x5e0/0x5e0 [ 442.972722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.977555] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.982565] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.988007] ? prepare_exit_to_usermode+0x291/0x3b0 [ 442.993012] ? page_fault+0x8/0x30 [ 442.996546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.001399] ? page_fault+0x8/0x30 [ 443.004931] page_fault+0x1e/0x30 [ 443.008380] RIP: 0033:0x45ddf3 [ 443.011573] Code: Bad RIP value. [ 443.014922] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 443.020279] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 443.027540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 443.034793] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 443.042046] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 443.049300] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 443.056577] warn_alloc_show_mem: 1 callbacks suppressed [ 443.056586] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 443.056588] Mem-Info: [ 443.056617] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 443.056617] active_file:12 inactive_file:13 isolated_file:0 [ 443.056617] unevictable:0 dirty:0 writeback:0 unstable:0 [ 443.056617] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 443.056617] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 443.056617] free:13705 free_pcp:178 free_cma:0 [ 443.062195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 443.068940] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 443.071324] Call Trace: [ 443.104187] Node 0 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 [ 443.113533] dump_stack+0x244/0x39d [ 443.141159] lowmem_reserve[]: 0 2818 6321 6321 [ 443.143740] ? dump_stack_print_info.cold.1+0x20/0x20 [ 443.170573] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 443.174195] warn_alloc.cold.116+0xb7/0x1bd [ 443.178736] lowmem_reserve[]: 0 0 3503 3503 [ 443.183912] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 443.211378] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 443.215705] ? lock_downgrade+0x900/0x900 [ 443.219992] lowmem_reserve[]: 0 0 0 0 [ 443.224825] ? trace_hardirqs_off+0xb8/0x310 [ 443.253761] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 443.258200] ? trace_hardirqs_off+0xb8/0x310 [ 443.261965] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 443.266373] __alloc_pages_slowpath+0x26e8/0x2e10 [ 443.279859] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 443.284277] ? warn_alloc+0x120/0x120 [ 443.299519] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 443.304344] ? print_usage_bug+0xc0/0xc0 [ 443.318528] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 443.318535] 366 total pagecache pages [ 443.322315] ? warn_alloc+0x120/0x120 [ 443.331217] 0 pages in swap cache [ 443.335254] ? warn_alloc+0x120/0x120 [ 443.343798] Swap cache stats: add 0, delete 0, find 0/0 [ 443.347596] ? print_usage_bug+0xc0/0xc0 [ 443.351364] Free swap = 0kB [ 443.354804] ? print_usage_bug+0xc0/0xc0 [ 443.358873] Total swap = 0kB [ 443.358880] 1965979 pages RAM [ 443.364229] ? __lock_acquire+0x62f/0x4c20 [ 443.368257] 0 pages HighMem/MovableOnly [ 443.371260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.375289] 342854 pages reserved [ 443.378291] ? should_fail+0x22d/0xd01 [ 443.381365] 0 pages cma reserved [ 443.385583] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.389581] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 443.395042] ? __lock_acquire+0x62f/0x4c20 [ 443.395059] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.395074] ? __lock_acquire+0x62f/0x4c20 [ 443.398561] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 443.402398] ? should_fail+0x22d/0xd01 [ 443.405749] syz-fuzzer cpuset=/ mems_allowed=0 [ 443.410833] ? find_held_lock+0x36/0x1c0 [ 443.453513] ? mark_held_locks+0x130/0x130 [ 443.458029] ? mark_held_locks+0x130/0x130 [ 443.462254] ? zap_class+0x640/0x640 [ 443.465980] ? mark_held_locks+0xc7/0x130 [ 443.470131] ? do_raw_spin_unlock+0xa7/0x330 [ 443.474546] ? zap_class+0x640/0x640 [ 443.478254] ? print_usage_bug+0xc0/0xc0 [ 443.482329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.487880] ? check_preemption_disabled+0x48/0x280 [ 443.492910] ? __lock_is_held+0xb5/0x140 [ 443.496983] __alloc_pages_nodemask+0xa80/0xde0 [ 443.501753] ? zap_class+0x640/0x640 [ 443.505464] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 443.510486] ? find_held_lock+0x36/0x1c0 [ 443.514548] ? ____cache_alloc_node+0x1c7/0x1e0 [ 443.519213] ? lock_downgrade+0x900/0x900 [ 443.523359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.528888] cache_grow_begin+0xa5/0x8c0 [ 443.532940] ? do_raw_spin_unlock+0xa7/0x330 [ 443.537342] fallback_alloc+0x204/0x2e0 [ 443.541311] ____cache_alloc_node+0x1c7/0x1e0 [ 443.545805] kmem_cache_alloc_node+0xe3/0x730 [ 443.550293] ? ipv6_get_ifaddr+0x42e/0x620 [ 443.554536] __alloc_skb+0x119/0x770 [ 443.558522] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.563794] ? netdev_alloc_frag+0x1f0/0x1f0 [ 443.568205] ? lock_downgrade+0x900/0x900 [ 443.572353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.577882] ? refcount_sub_and_test_checked+0x203/0x310 [ 443.583338] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 443.588776] ? addrconf_rs_timer+0x690/0x690 [ 443.593186] ndisc_alloc_skb+0x144/0x340 [ 443.597240] ndisc_send_rs+0x331/0x6e0 [ 443.601123] addrconf_rs_timer+0x314/0x690 [ 443.605369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.609612] call_timer_fn+0x272/0x920 [ 443.613490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.617715] ? process_timeout+0x40/0x40 [ 443.621776] ? __run_timers+0x7da/0xc70 [ 443.625745] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.630231] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.634716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.638943] ? lockdep_hardirqs_on+0x296/0x5b0 [ 443.643516] ? trace_hardirqs_on+0xbd/0x310 [ 443.647829] ? kasan_check_read+0x11/0x20 [ 443.651967] ? __run_timers+0x7da/0xc70 [ 443.655936] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.661315] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.665548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.669774] __run_timers+0x7e5/0xc70 [ 443.673577] ? timer_fixup_init+0x70/0x70 [ 443.677716] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.682200] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.686689] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 443.691262] ? trace_hardirqs_on+0xbd/0x310 [ 443.695574] ? kasan_check_read+0x11/0x20 [ 443.699717] ? finish_task_switch+0x1f4/0x910 [ 443.704325] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.709424] ? compat_start_thread+0x80/0x80 [ 443.713847] ? pvclock_read_flags+0x160/0x160 [ 443.718333] ? __switch_to_asm+0x34/0x70 [ 443.722397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.727938] ? check_preemption_disabled+0x48/0x280 [ 443.732957] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 443.738492] ? rcu_pm_notify+0xc0/0xc0 [ 443.742376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.747918] ? check_preemption_disabled+0x48/0x280 [ 443.752930] run_timer_softirq+0x52/0xb0 [ 443.757289] ? rcu_read_lock_sched_held+0x14f/0x180 [ 443.762808] __do_softirq+0x308/0xb7e [ 443.766609] ? trace_hardirqs_on_caller+0xc0/0x310 [ 443.771529] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 443.776621] ? trace_hardirqs_on+0x310/0x310 [ 443.781044] ? schedule+0x108/0x460 [ 443.784674] ? trace_hardirqs_off+0xb8/0x310 [ 443.789077] ? smpboot_thread_fn+0x68b/0xa00 [ 443.793488] ? trace_hardirqs_on+0x310/0x310 [ 443.797885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.803416] ? check_preemption_disabled+0x48/0x280 [ 443.808427] ? takeover_tasklets+0xa90/0xa90 [ 443.812935] run_ksoftirqd+0x5e/0x100 [ 443.816743] smpboot_thread_fn+0x68b/0xa00 [ 443.820971] ? sort_range+0x30/0x30 [ 443.824604] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 443.829705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.835237] ? __kthread_parkme+0xfb/0x1a0 [ 443.839465] ? sort_range+0x30/0x30 [ 443.843082] kthread+0x35a/0x440 [ 443.846442] ? kthread_stop+0x900/0x900 [ 443.850416] ret_from_fork+0x3a/0x50 [ 443.854139] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 443.854204] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 443.861848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 443.861853] Call Trace: [ 443.861859] [ 443.861875] dump_stack+0x244/0x39d [ 443.861899] ? dump_stack_print_info.cold.1+0x20/0x20 [ 443.868449] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 443.877711] warn_alloc.cold.116+0xb7/0x1bd [ 443.880258] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 443.882410] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 443.915271] ? lock_downgrade+0x900/0x900 [ 443.919417] ? trace_hardirqs_off+0xb8/0x310 [ 443.923823] ? trace_hardirqs_off+0xb8/0x310 [ 443.928771] __alloc_pages_slowpath+0x26e8/0x2e10 [ 443.933632] ? warn_alloc+0x120/0x120 [ 443.937428] ? print_usage_bug+0xc0/0xc0 [ 443.941484] ? warn_alloc+0x120/0x120 [ 443.945280] ? warn_alloc+0x120/0x120 [ 443.949069] ? print_usage_bug+0xc0/0xc0 [ 443.953122] ? print_usage_bug+0xc0/0xc0 [ 443.958111] ? __lock_acquire+0x62f/0x4c20 [ 443.962343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.967873] ? should_fail+0x22d/0xd01 [ 443.971754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.976847] ? __lock_acquire+0x62f/0x4c20 [ 443.981077] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.986168] ? __lock_acquire+0x62f/0x4c20 [ 443.990396] ? should_fail+0x22d/0xd01 [ 443.994272] ? find_held_lock+0x36/0x1c0 [ 443.998328] ? mark_held_locks+0x130/0x130 [ 444.002556] ? mark_held_locks+0x130/0x130 [ 444.006780] ? zap_class+0x640/0x640 [ 444.010487] ? zap_class+0x640/0x640 [ 444.014192] ? print_usage_bug+0xc0/0xc0 [ 444.018239] ? do_raw_spin_unlock+0xa7/0x330 [ 444.022638] ? zap_class+0x640/0x640 [ 444.026337] ? print_usage_bug+0xc0/0xc0 [ 444.030396] ? wq_watchdog_touch+0x9c/0xfe [ 444.034623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.040152] ? check_preemption_disabled+0x48/0x280 [ 444.045164] ? __lock_is_held+0xb5/0x140 [ 444.049218] __alloc_pages_nodemask+0xa80/0xde0 [ 444.053872] ? zap_class+0x640/0x640 [ 444.058063] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 444.063080] ? find_held_lock+0x36/0x1c0 [ 444.067139] ? ____cache_alloc_node+0x1c7/0x1e0 [ 444.071818] ? lock_downgrade+0x900/0x900 [ 444.075984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.081515] cache_grow_begin+0xa5/0x8c0 [ 444.085568] ? do_raw_spin_unlock+0xa7/0x330 [ 444.089974] fallback_alloc+0x204/0x2e0 [ 444.093944] ____cache_alloc_node+0x1c7/0x1e0 [ 444.098438] kmem_cache_alloc_node+0xe3/0x730 [ 444.102926] ? ipv6_get_ifaddr+0x42e/0x620 [ 444.107158] __alloc_skb+0x119/0x770 [ 444.110864] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 444.116140] ? netdev_alloc_frag+0x1f0/0x1f0 [ 444.120543] ? lock_downgrade+0x900/0x900 [ 444.124687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.130213] ? refcount_sub_and_test_checked+0x203/0x310 [ 444.135660] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 444.141105] ? addrconf_rs_timer+0x690/0x690 [ 444.145516] ndisc_alloc_skb+0x144/0x340 [ 444.149568] ndisc_send_rs+0x331/0x6e0 [ 444.153449] addrconf_rs_timer+0x314/0x690 [ 444.158621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.162857] call_timer_fn+0x272/0x920 [ 444.166740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.170970] ? process_timeout+0x40/0x40 [ 444.175030] ? mark_held_locks+0xc7/0x130 [ 444.179168] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.183653] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.188145] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.192379] ? lockdep_hardirqs_on+0x296/0x5b0 [ 444.196960] ? trace_hardirqs_on+0xbd/0x310 [ 444.201285] ? kasan_check_read+0x11/0x20 [ 444.205427] ? __run_timers+0x7da/0xc70 [ 444.209398] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.214500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.218735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.222965] __run_timers+0x7e5/0xc70 [ 444.226766] ? timer_fixup_init+0x70/0x70 [ 444.230907] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 444.235915] ? zap_class+0x640/0x640 [ 444.239628] ? print_usage_bug+0xc0/0xc0 [ 444.243682] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 444.248879] ? find_held_lock+0x36/0x1c0 [ 444.252938] ? zap_class+0x640/0x640 [ 444.257394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.262922] ? check_preemption_disabled+0x48/0x280 [ 444.267947] ? __lock_is_held+0xb5/0x140 [ 444.272003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.277531] ? check_preemption_disabled+0x48/0x280 [ 444.282555] run_timer_softirq+0x52/0xb0 [ 444.286607] ? rcu_read_lock_sched_held+0x14f/0x180 [ 444.291615] __do_softirq+0x308/0xb7e [ 444.295412] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 444.299897] ? lock_downgrade+0x900/0x900 [ 444.304038] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 444.309142] ? pvclock_read_flags+0x160/0x160 [ 444.313636] ? lapic_next_event+0x5a/0x90 [ 444.317779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.323317] ? kvm_clock_read+0x18/0x30 [ 444.327293] ? kvm_sched_clock_read+0x9/0x20 [ 444.331697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.337231] ? check_preemption_disabled+0x48/0x280 [ 444.342250] irq_exit+0x17f/0x1c0 [ 444.345697] smp_apic_timer_interrupt+0x1cb/0x760 [ 444.350532] ? smp_reschedule_interrupt+0x109/0x650 [ 444.355541] ? smp_call_function_single_interrupt+0x650/0x650 [ 444.361693] ? interrupt_entry+0xb5/0xc0 [ 444.365758] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.370766] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.375776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.380608] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.385610] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.390616] ? task_prio+0x50/0x50 [ 444.394166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.399701] ? check_preemption_disabled+0x48/0x280 [ 444.404715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.409560] apic_timer_interrupt+0xf/0x20 [ 444.413783] [ 444.416109] RIP: 0010:dump_stack+0x358/0x39d [ 444.420510] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 444.439400] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 444.447116] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 444.454375] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 444.462114] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 444.469371] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 444.476627] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 444.483905] ? dump_stack+0x34f/0x39d [ 444.487713] ? dump_stack_print_info.cold.1+0x20/0x20 [ 444.492898] ? mark_held_locks+0x130/0x130 [ 444.497128] ? mark_held_locks+0x130/0x130 [ 444.501367] dump_header+0x27b/0xf72 [ 444.505086] ? pagefault_out_of_memory+0x197/0x197 [ 444.510016] ? __lock_acquire+0x62f/0x4c20 [ 444.514245] ? percpu_ref_get_many+0x240/0x240 [ 444.518825] ? print_usage_bug+0xc0/0xc0 [ 444.522893] ? zap_class+0x640/0x640 [ 444.526597] ? print_usage_bug+0xc0/0xc0 [ 444.530648] ? print_usage_bug+0xc0/0xc0 [ 444.534702] ? zap_class+0x640/0x640 [ 444.538411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.544028] ? find_held_lock+0x36/0x1c0 [ 444.548089] ? mark_held_locks+0xc7/0x130 [ 444.552317] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 444.557673] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 444.562784] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 444.567361] ? trace_hardirqs_on+0xbd/0x310 [ 444.571703] ? kasan_check_read+0x11/0x20 [ 444.575842] ? ___ratelimit+0x3b4/0x672 [ 444.579817] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.584912] ? trace_hardirqs_on+0x310/0x310 [ 444.589312] ? lock_downgrade+0x900/0x900 [ 444.593565] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 444.598667] ? ___ratelimit+0x3b9/0x672 [ 444.602637] ? idr_get_free+0xf70/0xf70 [ 444.606603] ? find_held_lock+0x36/0x1c0 [ 444.610668] oom_kill_process.cold.27+0x10/0x903 [ 444.615416] ? zap_class+0x640/0x640 [ 444.619121] ? check_preemption_disabled+0x48/0x280 [ 444.624137] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 444.629056] ? kasan_check_read+0x11/0x20 [ 444.633195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 444.638460] ? oom_evaluate_task+0x540/0x540 [ 444.642863] ? find_held_lock+0x36/0x1c0 [ 444.646920] ? out_of_memory+0x974/0x1430 [ 444.651060] ? lock_downgrade+0x900/0x900 [ 444.655196] ? check_preemption_disabled+0x48/0x280 [ 444.661019] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 444.665936] ? kasan_check_read+0x11/0x20 [ 444.670093] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 444.675385] ? rcu_softirq_qs+0x20/0x20 [ 444.679359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.684885] ? oom_evaluate_task+0x302/0x540 [ 444.689287] out_of_memory+0xa84/0x1430 [ 444.693259] ? oom_killer_disable+0x3a0/0x3a0 [ 444.697767] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 444.702690] ? __ww_mutex_check_waiters+0x160/0x160 [ 444.707702] __alloc_pages_slowpath+0x2354/0x2e10 [ 444.712558] ? warn_alloc+0x120/0x120 [ 444.716357] ? mark_held_locks+0x130/0x130 [ 444.720612] ? find_get_entry+0xaae/0x1120 [ 444.724861] ? filemap_map_pages+0x1a20/0x1a20 [ 444.729437] ? zap_class+0x640/0x640 [ 444.733149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.738681] ? check_preemption_disabled+0x48/0x280 [ 444.743689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.749217] ? should_fail+0x22d/0xd01 [ 444.753102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.758945] ? zap_class+0x640/0x640 [ 444.762675] ? __lock_is_held+0xb5/0x140 [ 444.766739] ? mark_held_locks+0x130/0x130 [ 444.770966] ? lock_release+0xa00/0xa00 [ 444.774958] ? perf_trace_sched_process_exec+0x860/0x860 [ 444.780416] ? xa_load+0x2ba/0x460 [ 444.783953] ? lock_downgrade+0x900/0x900 [ 444.788097] ? __might_sleep+0x95/0x190 [ 444.792063] __alloc_pages_nodemask+0xa80/0xde0 [ 444.796723] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 444.801732] ? __page_cache_alloc+0x191/0x5c0 [ 444.806217] ? xa_load+0x2e1/0x460 [ 444.809751] ? xa_clear_mark+0x40/0x40 [ 444.813632] ? zap_class+0x640/0x640 [ 444.817361] ? zap_class+0x640/0x640 [ 444.821073] ? zap_class+0x640/0x640 [ 444.824777] ? __do_page_cache_readahead+0x663/0x810 [ 444.829874] ? find_held_lock+0x36/0x1c0 [ 444.833934] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 444.839470] alloc_pages_current+0x173/0x350 [ 444.843888] __page_cache_alloc+0x38c/0x5c0 [ 444.848200] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 444.853137] ? kasan_check_read+0x11/0x20 [ 444.858230] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 444.863501] ? generic_perform_write+0x6a0/0x6a0 [ 444.868248] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.873792] ? check_preemption_disabled+0x48/0x280 [ 444.878820] filemap_fault+0x1595/0x25f0 [ 444.882892] ? __lock_page_or_retry+0xa00/0xa00 [ 444.887654] ? mark_held_locks+0x130/0x130 [ 444.891887] ? filemap_map_pages+0xd6b/0x1a20 [ 444.896373] ? lock_downgrade+0x900/0x900 [ 444.900518] ? check_preemption_disabled+0x48/0x280 [ 444.905528] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 444.910447] ? kasan_check_read+0x11/0x20 [ 444.914585] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 444.919854] ? rcu_softirq_qs+0x20/0x20 [ 444.923843] ? filemap_map_pages+0xd92/0x1a20 [ 444.928345] ? find_get_entries_tag+0x1400/0x1400 [ 444.933178] ? debug_object_destroy+0x2b0/0x2b0 [ 444.937841] ? lock_pi_update_atomic+0x150/0x150 [ 444.942590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.948129] ? lock_acquire+0x1ed/0x520 [ 444.952094] ? ext4_filemap_fault+0x7a/0xad [ 444.956428] ? lock_release+0xa00/0xa00 [ 444.960879] ? perf_trace_sched_process_exec+0x860/0x860 [ 444.966328] ? print_usage_bug+0xc0/0xc0 [ 444.970381] ? print_usage_bug+0xc0/0xc0 [ 444.974442] ? down_read+0x8d/0x120 [ 444.978058] ? ext4_filemap_fault+0x7a/0xad [ 444.982370] ? __down_interruptible+0x700/0x700 [ 444.987053] ext4_filemap_fault+0x82/0xad [ 444.991200] __do_fault+0x100/0x6b0 [ 444.994829] ? pmd_devmap_trans_unstable+0x220/0x220 [ 444.999925] ? mark_held_locks+0x130/0x130 [ 445.004154] ? mark_held_locks+0x130/0x130 [ 445.008382] ? do_raw_spin_trylock+0x270/0x270 [ 445.012964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.018495] __handle_mm_fault+0x3ea0/0x5be0 [ 445.022892] ? perf_trace_lock+0x7a0/0x7a0 [ 445.027129] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 445.031969] ? __switch_to_asm+0x34/0x70 [ 445.036023] ? __switch_to_asm+0x34/0x70 [ 445.040087] ? zap_class+0x640/0x640 [ 445.043788] ? zap_class+0x640/0x640 [ 445.047493] ? __x64_sys_futex+0x53e/0x6a0 [ 445.051721] ? find_held_lock+0x36/0x1c0 [ 445.055781] ? handle_mm_fault+0x42a/0xc70 [ 445.060334] ? lock_downgrade+0x900/0x900 [ 445.064477] ? check_preemption_disabled+0x48/0x280 [ 445.069498] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 445.074423] ? kasan_check_read+0x11/0x20 [ 445.078561] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.083832] ? rcu_softirq_qs+0x20/0x20 [ 445.087795] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.092898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.098518] ? check_preemption_disabled+0x48/0x280 [ 445.103529] handle_mm_fault+0x54f/0xc70 [ 445.107582] ? __handle_mm_fault+0x5be0/0x5be0 [ 445.112157] ? find_vma+0x34/0x190 [ 445.115692] __do_page_fault+0x5e8/0xe60 [ 445.119746] ? trace_hardirqs_off+0xb8/0x310 [ 445.124174] do_page_fault+0xf2/0x7e0 [ 445.127968] ? vmalloc_sync_all+0x30/0x30 [ 445.132108] ? error_entry+0x70/0xd0 [ 445.135817] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.140829] ? trace_hardirqs_on_caller+0xc0/0x310 [ 445.145757] ? syscall_return_slowpath+0x5e0/0x5e0 [ 445.150677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.155516] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.161030] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 445.166474] ? prepare_exit_to_usermode+0x291/0x3b0 [ 445.171482] ? page_fault+0x8/0x30 [ 445.175017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.179857] ? page_fault+0x8/0x30 [ 445.183391] page_fault+0x1e/0x30 [ 445.186832] RIP: 0033:0x45ddf3 [ 445.190023] Code: Bad RIP value. [ 445.193378] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 445.198734] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 445.205994] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 445.213253] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 445.220514] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 445.227777] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 445.235061] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 445.235066] warn_alloc_show_mem: 1 callbacks suppressed [ 445.235071] Mem-Info: [ 445.241810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 445.241817] Call Trace: [ 445.247179] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 445.247179] active_file:12 inactive_file:13 isolated_file:0 [ 445.247179] unevictable:0 dirty:0 writeback:0 unstable:0 [ 445.247179] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 445.247179] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 445.247179] free:13705 free_pcp:178 free_cma:0 [ 445.249652] dump_stack+0x244/0x39d [ 445.259304] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 445.261873] ? dump_stack_print_info.cold.1+0x20/0x20 [ 445.294722] Node 0 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 [ 445.298348] warn_alloc.cold.116+0xb7/0x1bd [ 445.326087] lowmem_reserve[]: 0 2818 6321 6321 [ 445.331273] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 445.358271] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 445.362587] ? lock_downgrade+0x900/0x900 [ 445.367133] lowmem_reserve[]: 0 0 3503 3503 [ 445.371966] ? trace_hardirqs_off+0xb8/0x310 [ 445.399430] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 445.403573] ? trace_hardirqs_off+0xb8/0x310 [ 445.407857] lowmem_reserve[]: 0 0 0 0 [ 445.412256] __alloc_pages_slowpath+0x26e8/0x2e10 [ 445.441288] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 445.445709] ? warn_alloc+0x120/0x120 [ 445.449467] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 445.454312] ? warn_alloc+0x120/0x120 [ 445.468775] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 445.472585] ? warn_alloc+0x120/0x120 [ 445.487905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 445.491689] ? trace_hardirqs_off+0xb8/0x310 [ 445.505877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 445.509655] ? print_usage_bug+0xc0/0xc0 [ 445.518455] 366 total pagecache pages [ 445.522867] ? print_usage_bug+0xc0/0xc0 [ 445.531416] 0 pages in swap cache [ 445.535453] ? __lock_acquire+0x62f/0x4c20 [ 445.539310] Swap cache stats: add 0, delete 0, find 0/0 [ 445.543373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.546803] Free swap = 0kB [ 445.546810] Total swap = 0kB [ 445.551027] ? should_fail+0x22d/0xd01 [ 445.557300] 1965979 pages RAM [ 445.562824] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.565810] 0 pages HighMem/MovableOnly [ 445.568811] ? __lock_acquire+0x62f/0x4c20 [ 445.572666] 342854 pages reserved [ 445.575759] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.580830] 0 pages cma reserved [ 445.584795] ? __lock_acquire+0x62f/0x4c20 [ 445.589049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 445.592429] ? should_fail+0x22d/0xd01 [ 445.592467] ? mark_held_locks+0x130/0x130 [ 445.592485] ? mark_held_locks+0x130/0x130 [ 445.597603] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 445.600910] ? zap_class+0x640/0x640 [ 445.605109] syz-fuzzer cpuset=/ mems_allowed=0 [ 445.611581] ? ret_from_fork+0x3a/0x50 [ 445.646193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.651722] ? check_preemption_disabled+0x48/0x280 [ 445.657067] ? __lock_is_held+0xb5/0x140 [ 445.661121] __alloc_pages_nodemask+0xa80/0xde0 [ 445.665780] ? zap_class+0x640/0x640 [ 445.669499] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 445.674535] ? find_held_lock+0x36/0x1c0 [ 445.678609] ? ____cache_alloc_node+0x1c7/0x1e0 [ 445.683296] ? lock_downgrade+0x900/0x900 [ 445.687454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.692987] cache_grow_begin+0xa5/0x8c0 [ 445.697046] ? do_raw_spin_unlock+0xa7/0x330 [ 445.701455] fallback_alloc+0x204/0x2e0 [ 445.705426] ____cache_alloc_node+0x1c7/0x1e0 [ 445.709919] kmem_cache_alloc_node+0xe3/0x730 [ 445.714405] ? mark_held_locks+0xc7/0x130 [ 445.718555] __alloc_skb+0x119/0x770 [ 445.722267] ? netdev_alloc_frag+0x1f0/0x1f0 [ 445.726670] ? do_raw_spin_trylock+0x270/0x270 [ 445.731242] ? kmem_cache_alloc_trace+0x353/0x750 [ 445.736100] ? queue_work_on+0x12c/0x1e0 [ 445.740157] ? switchdev_port_obj_del+0xdc/0x440 [ 445.744901] ? switchdev_trans_item_enqueue+0x260/0x260 [ 445.750369] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 445.755381] __br_mdb_notify+0x4ff/0x15d0 [ 445.760341] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 445.765444] ? __br_mdb_add+0x7f0/0x7f0 [ 445.769501] ? mark_held_locks+0x130/0x130 [ 445.773730] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 445.778829] ? debug_object_assert_init+0x368/0x4b0 [ 445.783840] ? debug_object_init_on_stack+0x20/0x20 [ 445.788860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.794393] br_mdb_notify+0x310/0x410 [ 445.798280] ? br_mdb_dump+0x27b0/0x27b0 [ 445.802352] br_multicast_del_pg+0x3df/0x790 [ 445.806756] ? br_mdb_ip_get+0x940/0x940 [ 445.810808] ? rwlock_bug.part.2+0x90/0x90 [ 445.815045] ? __lock_is_held+0xb5/0x140 [ 445.819124] br_multicast_port_group_expired+0x189/0x1e0 [ 445.824566] call_timer_fn+0x272/0x920 [ 445.828447] ? br_multicast_del_pg+0x790/0x790 [ 445.833022] ? process_timeout+0x40/0x40 [ 445.837077] ? __run_timers+0x7da/0xc70 [ 445.841042] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.845523] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.850008] ? br_multicast_del_pg+0x790/0x790 [ 445.854584] ? lockdep_hardirqs_on+0x296/0x5b0 [ 445.859470] ? trace_hardirqs_on+0xbd/0x310 [ 445.863785] ? kasan_check_read+0x11/0x20 [ 445.867922] ? __run_timers+0x7da/0xc70 [ 445.871888] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.877005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.881237] ? br_multicast_del_pg+0x790/0x790 [ 445.885840] __run_timers+0x7e5/0xc70 [ 445.889642] ? timer_fixup_init+0x70/0x70 [ 445.893794] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.898285] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.902771] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 445.907351] ? trace_hardirqs_on+0xbd/0x310 [ 445.911659] ? kasan_check_read+0x11/0x20 [ 445.915812] ? finish_task_switch+0x1f4/0x910 [ 445.920304] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.925481] ? compat_start_thread+0x80/0x80 [ 445.929909] ? pvclock_read_flags+0x160/0x160 [ 445.934404] ? __switch_to_asm+0x34/0x70 [ 445.938456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.943989] ? check_preemption_disabled+0x48/0x280 [ 445.949005] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 445.954530] ? rcu_pm_notify+0xc0/0xc0 [ 445.958738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.964282] ? check_preemption_disabled+0x48/0x280 [ 445.969298] run_timer_softirq+0x52/0xb0 [ 445.973348] ? rcu_read_lock_sched_held+0x14f/0x180 [ 445.978358] __do_softirq+0x308/0xb7e [ 445.982154] ? trace_hardirqs_on_caller+0xc0/0x310 [ 445.987076] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 445.992169] ? trace_hardirqs_on+0x310/0x310 [ 445.996573] ? schedule+0x108/0x460 [ 446.000198] ? trace_hardirqs_off+0xb8/0x310 [ 446.004592] ? smpboot_thread_fn+0x68b/0xa00 [ 446.008999] ? trace_hardirqs_on+0x310/0x310 [ 446.013400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.018928] ? check_preemption_disabled+0x48/0x280 [ 446.023935] ? takeover_tasklets+0xa90/0xa90 [ 446.028341] run_ksoftirqd+0x5e/0x100 [ 446.032138] smpboot_thread_fn+0x68b/0xa00 [ 446.036366] ? sort_range+0x30/0x30 [ 446.039980] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.045070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.050606] ? __kthread_parkme+0xfb/0x1a0 [ 446.054922] ? sort_range+0x30/0x30 [ 446.058881] kthread+0x35a/0x440 [ 446.062244] ? kthread_stop+0x900/0x900 [ 446.066213] ret_from_fork+0x3a/0x50 [ 446.069965] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 446.070107] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 446.076887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.087172] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 446.096502] Call Trace: [ 446.103705] [ 446.105852] dump_stack+0x244/0x39d [ 446.109476] ? dump_stack_print_info.cold.1+0x20/0x20 [ 446.114666] warn_alloc.cold.116+0xb7/0x1bd [ 446.118977] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 446.123840] ? lock_downgrade+0x900/0x900 [ 446.127985] ? trace_hardirqs_off+0xb8/0x310 [ 446.132394] ? trace_hardirqs_off+0xb8/0x310 [ 446.136800] __alloc_pages_slowpath+0x26e8/0x2e10 [ 446.141661] ? warn_alloc+0x120/0x120 [ 446.145457] ? print_usage_bug+0xc0/0xc0 [ 446.149509] ? warn_alloc+0x120/0x120 [ 446.153308] ? warn_alloc+0x120/0x120 [ 446.158072] ? print_usage_bug+0xc0/0xc0 [ 446.162132] ? print_usage_bug+0xc0/0xc0 [ 446.166185] ? __lock_acquire+0x62f/0x4c20 [ 446.170414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.175944] ? should_fail+0x22d/0xd01 [ 446.179835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.184929] ? __lock_acquire+0x62f/0x4c20 [ 446.189171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.194268] ? __lock_acquire+0x62f/0x4c20 [ 446.198494] ? should_fail+0x22d/0xd01 [ 446.202372] ? find_held_lock+0x36/0x1c0 [ 446.206431] ? mark_held_locks+0x130/0x130 [ 446.210665] ? mark_held_locks+0x130/0x130 [ 446.214888] ? zap_class+0x640/0x640 [ 446.218593] ? zap_class+0x640/0x640 [ 446.222321] ? print_usage_bug+0xc0/0xc0 [ 446.226378] ? do_raw_spin_unlock+0xa7/0x330 [ 446.230779] ? zap_class+0x640/0x640 [ 446.234496] ? print_usage_bug+0xc0/0xc0 [ 446.238545] ? wq_watchdog_touch+0x9c/0xfe [ 446.242778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.248309] ? check_preemption_disabled+0x48/0x280 [ 446.253325] ? __lock_is_held+0xb5/0x140 [ 446.258316] __alloc_pages_nodemask+0xa80/0xde0 [ 446.262978] ? zap_class+0x640/0x640 [ 446.266684] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 446.271702] ? find_held_lock+0x36/0x1c0 [ 446.275764] ? ____cache_alloc_node+0x1c7/0x1e0 [ 446.280422] ? lock_downgrade+0x900/0x900 [ 446.284566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.290100] cache_grow_begin+0xa5/0x8c0 [ 446.294151] ? do_raw_spin_unlock+0xa7/0x330 [ 446.298557] fallback_alloc+0x204/0x2e0 [ 446.302528] ____cache_alloc_node+0x1c7/0x1e0 [ 446.307019] kmem_cache_alloc_node+0xe3/0x730 [ 446.311509] ? ipv6_get_ifaddr+0x42e/0x620 [ 446.315751] __alloc_skb+0x119/0x770 [ 446.319460] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.324738] ? netdev_alloc_frag+0x1f0/0x1f0 [ 446.329140] ? lock_downgrade+0x900/0x900 [ 446.333288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.338817] ? refcount_sub_and_test_checked+0x203/0x310 [ 446.344269] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 446.349712] ? addrconf_rs_timer+0x690/0x690 [ 446.354127] ndisc_alloc_skb+0x144/0x340 [ 446.358995] ndisc_send_rs+0x331/0x6e0 [ 446.362883] addrconf_rs_timer+0x314/0x690 [ 446.367221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 446.371458] call_timer_fn+0x272/0x920 [ 446.375336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 446.379562] ? process_timeout+0x40/0x40 [ 446.383630] ? mark_held_locks+0xc7/0x130 [ 446.387774] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.392264] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.396755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 446.400981] ? lockdep_hardirqs_on+0x296/0x5b0 [ 446.405557] ? trace_hardirqs_on+0xbd/0x310 [ 446.409871] ? kasan_check_read+0x11/0x20 [ 446.414010] ? __run_timers+0x7da/0xc70 [ 446.417978] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.423079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 446.427312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 446.431536] __run_timers+0x7e5/0xc70 [ 446.435339] ? timer_fixup_init+0x70/0x70 [ 446.439486] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 446.444499] ? zap_class+0x640/0x640 [ 446.448216] ? print_usage_bug+0xc0/0xc0 [ 446.452274] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 446.458155] ? find_held_lock+0x36/0x1c0 [ 446.462219] ? zap_class+0x640/0x640 [ 446.465931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.471464] ? check_preemption_disabled+0x48/0x280 [ 446.476485] ? __lock_is_held+0xb5/0x140 [ 446.480538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.486068] ? check_preemption_disabled+0x48/0x280 [ 446.491084] run_timer_softirq+0x52/0xb0 [ 446.495138] ? rcu_read_lock_sched_held+0x14f/0x180 [ 446.500150] __do_softirq+0x308/0xb7e [ 446.503945] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 446.508434] ? lock_downgrade+0x900/0x900 [ 446.512582] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 446.517686] ? pvclock_read_flags+0x160/0x160 [ 446.522180] ? lapic_next_event+0x5a/0x90 [ 446.526332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.531869] ? kvm_clock_read+0x18/0x30 [ 446.535833] ? kvm_sched_clock_read+0x9/0x20 [ 446.540239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.545771] ? check_preemption_disabled+0x48/0x280 [ 446.550788] irq_exit+0x17f/0x1c0 [ 446.554238] smp_apic_timer_interrupt+0x1cb/0x760 [ 446.560022] ? smp_reschedule_interrupt+0x109/0x650 [ 446.565031] ? smp_call_function_single_interrupt+0x650/0x650 [ 446.570907] ? interrupt_entry+0xb5/0xc0 [ 446.574964] ? trace_hardirqs_off_caller+0xbb/0x310 [ 446.579981] ? trace_hardirqs_off_caller+0xbb/0x310 [ 446.584994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.589828] ? trace_hardirqs_on_caller+0x310/0x310 [ 446.594833] ? trace_hardirqs_on_caller+0x310/0x310 [ 446.599840] ? task_prio+0x50/0x50 [ 446.603373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.608905] ? check_preemption_disabled+0x48/0x280 [ 446.613918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.618762] apic_timer_interrupt+0xf/0x20 [ 446.622980] [ 446.625215] RIP: 0010:dump_stack+0x358/0x39d [ 446.629696] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 446.648589] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 446.656315] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 446.664351] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 446.671615] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 446.678873] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 446.686136] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 446.693412] ? dump_stack+0x34f/0x39d [ 446.697222] ? dump_stack_print_info.cold.1+0x20/0x20 [ 446.702412] ? mark_held_locks+0x130/0x130 [ 446.706636] ? mark_held_locks+0x130/0x130 [ 446.710870] dump_header+0x27b/0xf72 [ 446.714582] ? pagefault_out_of_memory+0x197/0x197 [ 446.719507] ? __lock_acquire+0x62f/0x4c20 [ 446.723735] ? percpu_ref_get_many+0x240/0x240 [ 446.728310] ? print_usage_bug+0xc0/0xc0 [ 446.732367] ? zap_class+0x640/0x640 [ 446.736076] ? print_usage_bug+0xc0/0xc0 [ 446.740122] ? print_usage_bug+0xc0/0xc0 [ 446.744172] ? zap_class+0x640/0x640 [ 446.747885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.753415] ? find_held_lock+0x36/0x1c0 [ 446.758208] ? mark_held_locks+0xc7/0x130 [ 446.762351] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.767441] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.772536] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 446.777115] ? trace_hardirqs_on+0xbd/0x310 [ 446.781434] ? kasan_check_read+0x11/0x20 [ 446.785571] ? ___ratelimit+0x3b4/0x672 [ 446.789532] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.794625] ? trace_hardirqs_on+0x310/0x310 [ 446.799021] ? lock_downgrade+0x900/0x900 [ 446.803169] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.808268] ? ___ratelimit+0x3b9/0x672 [ 446.812235] ? idr_get_free+0xf70/0xf70 [ 446.816202] ? find_held_lock+0x36/0x1c0 [ 446.820266] oom_kill_process.cold.27+0x10/0x903 [ 446.825032] ? zap_class+0x640/0x640 [ 446.828934] ? check_preemption_disabled+0x48/0x280 [ 446.833949] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.838865] ? kasan_check_read+0x11/0x20 [ 446.843001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.848271] ? oom_evaluate_task+0x540/0x540 [ 446.852688] ? find_held_lock+0x36/0x1c0 [ 446.857269] ? out_of_memory+0x974/0x1430 [ 446.861411] ? lock_downgrade+0x900/0x900 [ 446.865550] ? check_preemption_disabled+0x48/0x280 [ 446.870559] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.875476] ? kasan_check_read+0x11/0x20 [ 446.879617] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.884882] ? rcu_softirq_qs+0x20/0x20 [ 446.888851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.894376] ? oom_evaluate_task+0x302/0x540 [ 446.898778] out_of_memory+0xa84/0x1430 [ 446.902749] ? oom_killer_disable+0x3a0/0x3a0 [ 446.907236] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 446.912160] ? __ww_mutex_check_waiters+0x160/0x160 [ 446.917192] __alloc_pages_slowpath+0x2354/0x2e10 [ 446.922077] ? warn_alloc+0x120/0x120 [ 446.925875] ? mark_held_locks+0x130/0x130 [ 446.930107] ? find_get_entry+0xaae/0x1120 [ 446.934343] ? filemap_map_pages+0x1a20/0x1a20 [ 446.938928] ? zap_class+0x640/0x640 [ 446.942642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.948172] ? check_preemption_disabled+0x48/0x280 [ 446.953193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.959487] ? should_fail+0x22d/0xd01 [ 446.963373] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.968474] ? zap_class+0x640/0x640 [ 446.972224] ? __lock_is_held+0xb5/0x140 [ 446.976291] ? mark_held_locks+0x130/0x130 [ 446.980520] ? lock_release+0xa00/0xa00 [ 446.984486] ? perf_trace_sched_process_exec+0x860/0x860 [ 446.989928] ? xa_load+0x2ba/0x460 [ 446.993465] ? lock_downgrade+0x900/0x900 [ 446.997619] ? __might_sleep+0x95/0x190 [ 447.001588] __alloc_pages_nodemask+0xa80/0xde0 [ 447.006373] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 447.011381] ? __page_cache_alloc+0x191/0x5c0 [ 447.015868] ? xa_load+0x2e1/0x460 [ 447.019406] ? xa_clear_mark+0x40/0x40 [ 447.023288] ? zap_class+0x640/0x640 [ 447.027000] ? zap_class+0x640/0x640 [ 447.030704] ? zap_class+0x640/0x640 [ 447.034409] ? __do_page_cache_readahead+0x663/0x810 [ 447.039505] ? find_held_lock+0x36/0x1c0 [ 447.043562] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 447.049091] alloc_pages_current+0x173/0x350 [ 447.053491] __page_cache_alloc+0x38c/0x5c0 [ 447.058608] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 447.063528] ? kasan_check_read+0x11/0x20 [ 447.067668] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.072944] ? generic_perform_write+0x6a0/0x6a0 [ 447.077705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.083237] ? check_preemption_disabled+0x48/0x280 [ 447.088256] filemap_fault+0x1595/0x25f0 [ 447.092324] ? __lock_page_or_retry+0xa00/0xa00 [ 447.096989] ? mark_held_locks+0x130/0x130 [ 447.101237] ? filemap_map_pages+0xd6b/0x1a20 [ 447.105729] ? lock_downgrade+0x900/0x900 [ 447.109871] ? check_preemption_disabled+0x48/0x280 [ 447.114886] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 447.119805] ? kasan_check_read+0x11/0x20 [ 447.123948] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.129220] ? rcu_softirq_qs+0x20/0x20 [ 447.133202] ? filemap_map_pages+0xd92/0x1a20 [ 447.137704] ? find_get_entries_tag+0x1400/0x1400 [ 447.142553] ? debug_object_destroy+0x2b0/0x2b0 [ 447.147219] ? lock_pi_update_atomic+0x150/0x150 [ 447.151983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.158540] ? lock_acquire+0x1ed/0x520 [ 447.162594] ? ext4_filemap_fault+0x7a/0xad [ 447.166913] ? lock_release+0xa00/0xa00 [ 447.170881] ? perf_trace_sched_process_exec+0x860/0x860 [ 447.176322] ? print_usage_bug+0xc0/0xc0 [ 447.180382] ? print_usage_bug+0xc0/0xc0 [ 447.184447] ? down_read+0x8d/0x120 [ 447.188063] ? ext4_filemap_fault+0x7a/0xad [ 447.192378] ? __down_interruptible+0x700/0x700 [ 447.197057] ext4_filemap_fault+0x82/0xad [ 447.201203] __do_fault+0x100/0x6b0 [ 447.204824] ? pmd_devmap_trans_unstable+0x220/0x220 [ 447.209925] ? mark_held_locks+0x130/0x130 [ 447.214166] ? mark_held_locks+0x130/0x130 [ 447.218391] ? do_raw_spin_trylock+0x270/0x270 [ 447.222970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.228528] __handle_mm_fault+0x3ea0/0x5be0 [ 447.232926] ? perf_trace_lock+0x7a0/0x7a0 [ 447.237169] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 447.242010] ? __switch_to_asm+0x34/0x70 [ 447.246067] ? __switch_to_asm+0x34/0x70 [ 447.250134] ? zap_class+0x640/0x640 [ 447.253844] ? zap_class+0x640/0x640 [ 447.258503] ? __x64_sys_futex+0x53e/0x6a0 [ 447.262749] ? find_held_lock+0x36/0x1c0 [ 447.266809] ? handle_mm_fault+0x42a/0xc70 [ 447.271032] ? lock_downgrade+0x900/0x900 [ 447.275176] ? check_preemption_disabled+0x48/0x280 [ 447.280194] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 447.285145] ? kasan_check_read+0x11/0x20 [ 447.289297] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.294568] ? rcu_softirq_qs+0x20/0x20 [ 447.298534] ? trace_hardirqs_off_caller+0x310/0x310 [ 447.303628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.309166] ? check_preemption_disabled+0x48/0x280 [ 447.314185] handle_mm_fault+0x54f/0xc70 [ 447.318259] ? __handle_mm_fault+0x5be0/0x5be0 [ 447.322841] ? find_vma+0x34/0x190 [ 447.326380] __do_page_fault+0x5e8/0xe60 [ 447.330436] ? trace_hardirqs_off+0xb8/0x310 [ 447.334843] do_page_fault+0xf2/0x7e0 [ 447.338636] ? vmalloc_sync_all+0x30/0x30 [ 447.342779] ? error_entry+0x70/0xd0 [ 447.346485] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.351490] ? trace_hardirqs_on_caller+0xc0/0x310 [ 447.357190] ? syscall_return_slowpath+0x5e0/0x5e0 [ 447.362111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.366950] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.371954] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 447.377396] ? prepare_exit_to_usermode+0x291/0x3b0 [ 447.382401] ? page_fault+0x8/0x30 [ 447.385940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.390776] ? page_fault+0x8/0x30 [ 447.394310] page_fault+0x1e/0x30 [ 447.397752] RIP: 0033:0x45ddf3 [ 447.400954] Code: Bad RIP value. [ 447.404307] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 447.409675] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 447.416935] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 447.424194] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 447.431456] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 447.438719] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 447.446014] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 447.446018] warn_alloc_show_mem: 1 callbacks suppressed [ 447.446024] Mem-Info: [ 447.452762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 447.459121] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 447.459121] active_file:12 inactive_file:13 isolated_file:0 [ 447.459121] unevictable:0 dirty:0 writeback:0 unstable:0 [ 447.459121] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 447.459121] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 447.459121] free:13705 free_pcp:178 free_cma:0 [ 447.461489] Call Trace: [ 447.470860] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 447.503703] dump_stack+0x244/0x39d [ 447.506255] Node 0 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 [ 447.533913] ? dump_stack_print_info.cold.1+0x20/0x20 [ 447.537504] lowmem_reserve[]: 0 2818 6321 6321 [ 447.563895] warn_alloc.cold.116+0xb7/0x1bd [ 447.569046] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 447.573614] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 447.577906] lowmem_reserve[]: 0 0 3503 3503 [ 447.605393] ? lock_downgrade+0x900/0x900 [ 447.610204] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 447.614518] ? trace_hardirqs_off+0xb8/0x310 [ 447.618632] lowmem_reserve[]: 0 0 0 0 [ 447.647594] ? trace_hardirqs_off+0xb8/0x310 [ 447.651969] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 447.655760] __alloc_pages_slowpath+0x26e8/0x2e10 [ 447.661068] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 447.674703] ? warn_alloc+0x120/0x120 [ 447.679493] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 447.694742] ? warn_alloc+0x120/0x120 [ 447.698515] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 447.712713] ? warn_alloc+0x120/0x120 [ 447.716484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 447.725298] ? trace_hardirqs_off+0xb8/0x310 [ 447.729065] 366 total pagecache pages [ 447.737624] ? print_usage_bug+0xc0/0xc0 [ 447.742008] 0 pages in swap cache [ 447.745802] ? print_usage_bug+0xc0/0xc0 [ 447.749831] Swap cache stats: add 0, delete 0, find 0/0 [ 447.753265] ? __lock_acquire+0x62f/0x4c20 [ 447.758537] Free swap = 0kB [ 447.758545] Total swap = 0kB [ 447.763900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.768102] 1965979 pages RAM [ 447.771110] ? should_fail+0x22d/0xd01 [ 447.774107] 0 pages HighMem/MovableOnly [ 447.779629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.782698] 342854 pages reserved [ 447.782705] 0 pages cma reserved [ 447.786576] ? __lock_acquire+0x62f/0x4c20 [ 447.790574] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 447.795606] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.795617] ? __lock_acquire+0x62f/0x4c20 [ 447.795630] ? should_fail+0x22d/0xd01 [ 447.799111] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.802422] ? mark_held_locks+0x130/0x130 [ 447.806634] syz-fuzzer cpuset=/ mems_allowed=0 [ 447.813113] ? mark_held_locks+0x130/0x130 [ 447.849468] ? zap_class+0x640/0x640 [ 447.853173] ? ret_from_fork+0x3a/0x50 [ 447.857428] ? __lock_acquire+0x62f/0x4c20 [ 447.861658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.867189] ? check_preemption_disabled+0x48/0x280 [ 447.872203] ? __lock_is_held+0xb5/0x140 [ 447.876259] __alloc_pages_nodemask+0xa80/0xde0 [ 447.880922] ? zap_class+0x640/0x640 [ 447.884715] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 447.889731] ? find_held_lock+0x36/0x1c0 [ 447.893790] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.898456] ? lock_downgrade+0x900/0x900 [ 447.902603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.908147] cache_grow_begin+0xa5/0x8c0 [ 447.912202] ? do_raw_spin_unlock+0xa7/0x330 [ 447.916627] fallback_alloc+0x204/0x2e0 [ 447.920600] ____cache_alloc_node+0x1c7/0x1e0 [ 447.925093] kmem_cache_alloc_node+0xe3/0x730 [ 447.929716] ? mark_held_locks+0xc7/0x130 [ 447.933867] __alloc_skb+0x119/0x770 [ 447.937580] ? netdev_alloc_frag+0x1f0/0x1f0 [ 447.941983] ? do_raw_spin_trylock+0x270/0x270 [ 447.946573] ? kmem_cache_alloc_trace+0x353/0x750 [ 447.951408] ? queue_work_on+0x12c/0x1e0 [ 447.955471] ? switchdev_port_obj_del+0xdc/0x440 [ 447.960510] ? switchdev_trans_item_enqueue+0x260/0x260 [ 447.965875] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 447.970892] __br_mdb_notify+0x4ff/0x15d0 [ 447.975032] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 447.980148] ? __br_mdb_add+0x7f0/0x7f0 [ 447.984131] ? mark_held_locks+0x130/0x130 [ 447.988365] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 447.993467] ? debug_object_assert_init+0x368/0x4b0 [ 447.998483] ? debug_object_init_on_stack+0x20/0x20 [ 448.003494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.009034] br_mdb_notify+0x310/0x410 [ 448.012914] ? br_mdb_dump+0x27b0/0x27b0 [ 448.016976] br_multicast_del_pg+0x3df/0x790 [ 448.021382] ? br_mdb_ip_get+0x940/0x940 [ 448.025436] ? rwlock_bug.part.2+0x90/0x90 [ 448.029667] ? __lock_is_held+0xb5/0x140 [ 448.033732] br_multicast_port_group_expired+0x189/0x1e0 [ 448.039174] call_timer_fn+0x272/0x920 [ 448.043072] ? br_multicast_del_pg+0x790/0x790 [ 448.047644] ? process_timeout+0x40/0x40 [ 448.051700] ? __run_timers+0x7da/0xc70 [ 448.055666] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.060493] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.064999] ? br_multicast_del_pg+0x790/0x790 [ 448.069574] ? lockdep_hardirqs_on+0x296/0x5b0 [ 448.074149] ? trace_hardirqs_on+0xbd/0x310 [ 448.078460] ? kasan_check_read+0x11/0x20 [ 448.082599] ? __run_timers+0x7da/0xc70 [ 448.086566] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.091664] ? br_multicast_del_pg+0x790/0x790 [ 448.096242] ? br_multicast_del_pg+0x790/0x790 [ 448.100811] __run_timers+0x7e5/0xc70 [ 448.104609] ? timer_fixup_init+0x70/0x70 [ 448.108748] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.113233] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.117720] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 448.122287] ? trace_hardirqs_on+0xbd/0x310 [ 448.126611] ? kasan_check_read+0x11/0x20 [ 448.130749] ? finish_task_switch+0x1f4/0x910 [ 448.135245] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.140335] ? compat_start_thread+0x80/0x80 [ 448.144754] ? pvclock_read_flags+0x160/0x160 [ 448.149242] ? __switch_to_asm+0x34/0x70 [ 448.153297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.159138] ? check_preemption_disabled+0x48/0x280 [ 448.164159] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 448.169690] ? rcu_pm_notify+0xc0/0xc0 [ 448.173571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.179107] ? check_preemption_disabled+0x48/0x280 [ 448.184132] run_timer_softirq+0x52/0xb0 [ 448.188183] ? rcu_read_lock_sched_held+0x14f/0x180 [ 448.193194] __do_softirq+0x308/0xb7e [ 448.196993] ? trace_hardirqs_on_caller+0xc0/0x310 [ 448.201933] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 448.207033] ? trace_hardirqs_on+0x310/0x310 [ 448.211441] ? schedule+0x108/0x460 [ 448.215074] ? trace_hardirqs_off+0xb8/0x310 [ 448.219488] ? smpboot_thread_fn+0x68b/0xa00 [ 448.223888] ? trace_hardirqs_on+0x310/0x310 [ 448.228293] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.233820] ? check_preemption_disabled+0x48/0x280 [ 448.238832] ? takeover_tasklets+0xa90/0xa90 [ 448.243235] run_ksoftirqd+0x5e/0x100 [ 448.247024] smpboot_thread_fn+0x68b/0xa00 [ 448.251250] ? sort_range+0x30/0x30 [ 448.254872] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 448.260316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.265846] ? __kthread_parkme+0xfb/0x1a0 [ 448.270094] ? sort_range+0x30/0x30 [ 448.273712] kthread+0x35a/0x440 [ 448.277071] ? kthread_stop+0x900/0x900 [ 448.281051] ret_from_fork+0x3a/0x50 [ 448.284795] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 448.284925] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 448.291721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 448.302005] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 448.311341] Call Trace: [ 448.318573] [ 448.320724] dump_stack+0x244/0x39d [ 448.324393] ? dump_stack_print_info.cold.1+0x20/0x20 [ 448.329586] warn_alloc.cold.116+0xb7/0x1bd [ 448.333904] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 448.338744] ? lock_downgrade+0x900/0x900 [ 448.342890] ? trace_hardirqs_off+0xb8/0x310 [ 448.347298] ? trace_hardirqs_off+0xb8/0x310 [ 448.351710] __alloc_pages_slowpath+0x26e8/0x2e10 [ 448.357502] ? warn_alloc+0x120/0x120 [ 448.361387] ? print_usage_bug+0xc0/0xc0 [ 448.365458] ? warn_alloc+0x120/0x120 [ 448.369252] ? warn_alloc+0x120/0x120 [ 448.373042] ? print_usage_bug+0xc0/0xc0 [ 448.377101] ? print_usage_bug+0xc0/0xc0 [ 448.381158] ? __lock_acquire+0x62f/0x4c20 [ 448.385395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.390930] ? should_fail+0x22d/0xd01 [ 448.394813] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.399906] ? __lock_acquire+0x62f/0x4c20 [ 448.404142] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.409238] ? __lock_acquire+0x62f/0x4c20 [ 448.413467] ? should_fail+0x22d/0xd01 [ 448.417348] ? find_held_lock+0x36/0x1c0 [ 448.421412] ? mark_held_locks+0x130/0x130 [ 448.425643] ? mark_held_locks+0x130/0x130 [ 448.429871] ? zap_class+0x640/0x640 [ 448.433577] ? zap_class+0x640/0x640 [ 448.437284] ? print_usage_bug+0xc0/0xc0 [ 448.441336] ? do_raw_spin_unlock+0xa7/0x330 [ 448.445735] ? zap_class+0x640/0x640 [ 448.449444] ? print_usage_bug+0xc0/0xc0 [ 448.453499] ? wq_watchdog_touch+0x9c/0xfe [ 448.458254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.463805] ? check_preemption_disabled+0x48/0x280 [ 448.468820] ? __lock_is_held+0xb5/0x140 [ 448.472889] __alloc_pages_nodemask+0xa80/0xde0 [ 448.477545] ? zap_class+0x640/0x640 [ 448.481264] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 448.486284] ? find_held_lock+0x36/0x1c0 [ 448.490353] ? ____cache_alloc_node+0x1c7/0x1e0 [ 448.495012] ? lock_downgrade+0x900/0x900 [ 448.499159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.504697] cache_grow_begin+0xa5/0x8c0 [ 448.508750] ? do_raw_spin_unlock+0xa7/0x330 [ 448.513161] fallback_alloc+0x204/0x2e0 [ 448.517135] ____cache_alloc_node+0x1c7/0x1e0 [ 448.521630] kmem_cache_alloc_node+0xe3/0x730 [ 448.526118] ? ipv6_get_ifaddr+0x42e/0x620 [ 448.530376] __alloc_skb+0x119/0x770 [ 448.534091] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.539384] ? netdev_alloc_frag+0x1f0/0x1f0 [ 448.543785] ? lock_downgrade+0x900/0x900 [ 448.547929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.553460] ? refcount_sub_and_test_checked+0x203/0x310 [ 448.559645] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 448.565100] ? addrconf_rs_timer+0x690/0x690 [ 448.569529] ndisc_alloc_skb+0x144/0x340 [ 448.573594] ndisc_send_rs+0x331/0x6e0 [ 448.577479] addrconf_rs_timer+0x314/0x690 [ 448.581710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.585958] call_timer_fn+0x272/0x920 [ 448.589837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.594065] ? process_timeout+0x40/0x40 [ 448.598135] ? mark_held_locks+0xc7/0x130 [ 448.602277] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.606766] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.611252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.615492] ? lockdep_hardirqs_on+0x296/0x5b0 [ 448.620075] ? trace_hardirqs_on+0xbd/0x310 [ 448.624385] ? kasan_check_read+0x11/0x20 [ 448.628522] ? __run_timers+0x7da/0xc70 [ 448.632492] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.637593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.641825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.646054] __run_timers+0x7e5/0xc70 [ 448.649870] ? timer_fixup_init+0x70/0x70 [ 448.654013] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.659979] ? zap_class+0x640/0x640 [ 448.663689] ? print_usage_bug+0xc0/0xc0 [ 448.667769] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 448.672975] ? find_held_lock+0x36/0x1c0 [ 448.677035] ? zap_class+0x640/0x640 [ 448.680749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.686276] ? check_preemption_disabled+0x48/0x280 [ 448.691303] ? __lock_is_held+0xb5/0x140 [ 448.695355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.700901] ? check_preemption_disabled+0x48/0x280 [ 448.705914] run_timer_softirq+0x52/0xb0 [ 448.709969] ? rcu_read_lock_sched_held+0x14f/0x180 [ 448.714974] __do_softirq+0x308/0xb7e [ 448.718771] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 448.723256] ? lock_downgrade+0x900/0x900 [ 448.727405] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 448.732506] ? pvclock_read_flags+0x160/0x160 [ 448.737000] ? lapic_next_event+0x5a/0x90 [ 448.741137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.746667] ? kvm_clock_read+0x18/0x30 [ 448.750638] ? kvm_sched_clock_read+0x9/0x20 [ 448.755050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.760889] ? check_preemption_disabled+0x48/0x280 [ 448.765920] irq_exit+0x17f/0x1c0 [ 448.769365] smp_apic_timer_interrupt+0x1cb/0x760 [ 448.774194] ? smp_reschedule_interrupt+0x109/0x650 [ 448.779204] ? smp_call_function_single_interrupt+0x650/0x650 [ 448.785083] ? interrupt_entry+0xb5/0xc0 [ 448.789136] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.794155] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.799167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.803999] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.809006] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.814013] ? task_prio+0x50/0x50 [ 448.817545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.823108] ? check_preemption_disabled+0x48/0x280 [ 448.828121] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.832960] apic_timer_interrupt+0xf/0x20 [ 448.837183] [ 448.839418] RIP: 0010:dump_stack+0x358/0x39d [ 448.843819] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 448.863035] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 448.870739] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 448.877997] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 448.885258] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 448.892521] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 448.899781] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 448.907069] ? dump_stack+0x34f/0x39d [ 448.910875] ? dump_stack_print_info.cold.1+0x20/0x20 [ 448.916066] ? mark_held_locks+0x130/0x130 [ 448.920291] ? mark_held_locks+0x130/0x130 [ 448.924521] dump_header+0x27b/0xf72 [ 448.928233] ? pagefault_out_of_memory+0x197/0x197 [ 448.933162] ? __lock_acquire+0x62f/0x4c20 [ 448.937386] ? percpu_ref_get_many+0x240/0x240 [ 448.941956] ? print_usage_bug+0xc0/0xc0 [ 448.946012] ? zap_class+0x640/0x640 [ 448.949741] ? print_usage_bug+0xc0/0xc0 [ 448.953790] ? print_usage_bug+0xc0/0xc0 [ 448.958345] ? zap_class+0x640/0x640 [ 448.962058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.967599] ? find_held_lock+0x36/0x1c0 [ 448.971698] ? mark_held_locks+0xc7/0x130 [ 448.975836] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.981016] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.986117] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 448.990695] ? trace_hardirqs_on+0xbd/0x310 [ 448.995009] ? kasan_check_read+0x11/0x20 [ 448.999149] ? ___ratelimit+0x3b4/0x672 [ 449.003114] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.008209] ? trace_hardirqs_on+0x310/0x310 [ 449.012617] ? lock_downgrade+0x900/0x900 [ 449.016762] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 449.021855] ? ___ratelimit+0x3b9/0x672 [ 449.025821] ? idr_get_free+0xf70/0xf70 [ 449.029789] ? find_held_lock+0x36/0x1c0 [ 449.033849] oom_kill_process.cold.27+0x10/0x903 [ 449.038594] ? zap_class+0x640/0x640 [ 449.042300] ? check_preemption_disabled+0x48/0x280 [ 449.047305] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 449.052218] ? kasan_check_read+0x11/0x20 [ 449.057353] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.062621] ? oom_evaluate_task+0x540/0x540 [ 449.067025] ? find_held_lock+0x36/0x1c0 [ 449.071095] ? out_of_memory+0x974/0x1430 [ 449.075238] ? lock_downgrade+0x900/0x900 [ 449.079381] ? check_preemption_disabled+0x48/0x280 [ 449.084391] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 449.089314] ? kasan_check_read+0x11/0x20 [ 449.093455] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.098727] ? rcu_softirq_qs+0x20/0x20 [ 449.102695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.108310] ? oom_evaluate_task+0x302/0x540 [ 449.112717] out_of_memory+0xa84/0x1430 [ 449.116709] ? oom_killer_disable+0x3a0/0x3a0 [ 449.121213] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 449.126137] ? __ww_mutex_check_waiters+0x160/0x160 [ 449.131155] __alloc_pages_slowpath+0x2354/0x2e10 [ 449.136015] ? warn_alloc+0x120/0x120 [ 449.139814] ? mark_held_locks+0x130/0x130 [ 449.144050] ? find_get_entry+0xaae/0x1120 [ 449.148289] ? filemap_map_pages+0x1a20/0x1a20 [ 449.152864] ? zap_class+0x640/0x640 [ 449.157388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.162919] ? check_preemption_disabled+0x48/0x280 [ 449.167938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.173475] ? should_fail+0x22d/0xd01 [ 449.177361] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.182457] ? zap_class+0x640/0x640 [ 449.186187] ? __lock_is_held+0xb5/0x140 [ 449.190250] ? mark_held_locks+0x130/0x130 [ 449.194481] ? lock_release+0xa00/0xa00 [ 449.198459] ? perf_trace_sched_process_exec+0x860/0x860 [ 449.203903] ? xa_load+0x2ba/0x460 [ 449.207438] ? lock_downgrade+0x900/0x900 [ 449.211586] ? __might_sleep+0x95/0x190 [ 449.215566] __alloc_pages_nodemask+0xa80/0xde0 [ 449.220237] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 449.225247] ? __page_cache_alloc+0x191/0x5c0 [ 449.229733] ? xa_load+0x2e1/0x460 [ 449.233267] ? xa_clear_mark+0x40/0x40 [ 449.237149] ? zap_class+0x640/0x640 [ 449.240865] ? zap_class+0x640/0x640 [ 449.244570] ? zap_class+0x640/0x640 [ 449.248275] ? __do_page_cache_readahead+0x663/0x810 [ 449.253376] ? find_held_lock+0x36/0x1c0 [ 449.257903] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 449.263439] alloc_pages_current+0x173/0x350 [ 449.267847] __page_cache_alloc+0x38c/0x5c0 [ 449.272164] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 449.277083] ? kasan_check_read+0x11/0x20 [ 449.281218] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.286487] ? generic_perform_write+0x6a0/0x6a0 [ 449.291235] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.296767] ? check_preemption_disabled+0x48/0x280 [ 449.301799] filemap_fault+0x1595/0x25f0 [ 449.305875] ? __lock_page_or_retry+0xa00/0xa00 [ 449.310551] ? mark_held_locks+0x130/0x130 [ 449.314792] ? filemap_map_pages+0xd6b/0x1a20 [ 449.319285] ? lock_downgrade+0x900/0x900 [ 449.323428] ? check_preemption_disabled+0x48/0x280 [ 449.328437] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 449.333358] ? kasan_check_read+0x11/0x20 [ 449.337498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.342765] ? rcu_softirq_qs+0x20/0x20 [ 449.346741] ? filemap_map_pages+0xd92/0x1a20 [ 449.351242] ? find_get_entries_tag+0x1400/0x1400 [ 449.356092] ? debug_object_destroy+0x2b0/0x2b0 [ 449.361498] ? lock_pi_update_atomic+0x150/0x150 [ 449.366246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.371789] ? lock_acquire+0x1ed/0x520 [ 449.375753] ? ext4_filemap_fault+0x7a/0xad [ 449.380072] ? lock_release+0xa00/0xa00 [ 449.384044] ? perf_trace_sched_process_exec+0x860/0x860 [ 449.389485] ? print_usage_bug+0xc0/0xc0 [ 449.393544] ? print_usage_bug+0xc0/0xc0 [ 449.397606] ? down_read+0x8d/0x120 [ 449.401223] ? ext4_filemap_fault+0x7a/0xad [ 449.405543] ? __down_interruptible+0x700/0x700 [ 449.410216] ext4_filemap_fault+0x82/0xad [ 449.414358] __do_fault+0x100/0x6b0 [ 449.417979] ? pmd_devmap_trans_unstable+0x220/0x220 [ 449.423080] ? mark_held_locks+0x130/0x130 [ 449.427326] ? mark_held_locks+0x130/0x130 [ 449.431567] ? do_raw_spin_trylock+0x270/0x270 [ 449.436147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.441678] __handle_mm_fault+0x3ea0/0x5be0 [ 449.446076] ? perf_trace_lock+0x7a0/0x7a0 [ 449.450315] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 449.455155] ? __switch_to_asm+0x34/0x70 [ 449.459978] ? __switch_to_asm+0x34/0x70 [ 449.464063] ? zap_class+0x640/0x640 [ 449.467773] ? zap_class+0x640/0x640 [ 449.471477] ? __x64_sys_futex+0x53e/0x6a0 [ 449.475794] ? find_held_lock+0x36/0x1c0 [ 449.479859] ? handle_mm_fault+0x42a/0xc70 [ 449.484086] ? lock_downgrade+0x900/0x900 [ 449.488229] ? check_preemption_disabled+0x48/0x280 [ 449.493237] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 449.498153] ? kasan_check_read+0x11/0x20 [ 449.502288] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.507556] ? rcu_softirq_qs+0x20/0x20 [ 449.511529] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.516630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.522161] ? check_preemption_disabled+0x48/0x280 [ 449.527177] handle_mm_fault+0x54f/0xc70 [ 449.531235] ? __handle_mm_fault+0x5be0/0x5be0 [ 449.535811] ? find_vma+0x34/0x190 [ 449.539349] __do_page_fault+0x5e8/0xe60 [ 449.543401] ? trace_hardirqs_off+0xb8/0x310 [ 449.547814] do_page_fault+0xf2/0x7e0 [ 449.551606] ? vmalloc_sync_all+0x30/0x30 [ 449.555747] ? error_entry+0x70/0xd0 [ 449.560184] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.565191] ? trace_hardirqs_on_caller+0xc0/0x310 [ 449.570125] ? syscall_return_slowpath+0x5e0/0x5e0 [ 449.575047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.579883] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.584890] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.590337] ? prepare_exit_to_usermode+0x291/0x3b0 [ 449.595349] ? page_fault+0x8/0x30 [ 449.598884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.603719] ? page_fault+0x8/0x30 [ 449.607261] page_fault+0x1e/0x30 [ 449.610707] RIP: 0033:0x45ddf3 [ 449.613900] Code: Bad RIP value. [ 449.617260] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 449.622612] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 449.629873] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 449.637134] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 449.644397] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 449.651655] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 449.659931] warn_alloc_show_mem: 1 callbacks suppressed [ 449.659940] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 449.659942] Mem-Info: [ 449.659972] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 449.659972] active_file:12 inactive_file:13 isolated_file:0 [ 449.659972] unevictable:0 dirty:0 writeback:0 unstable:0 [ 449.659972] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 449.659972] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 449.659972] free:13705 free_pcp:178 free_cma:0 [ 449.665314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.672065] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 449.674451] Call Trace: [ 449.707315] Node 0 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 [ 449.716745] dump_stack+0x244/0x39d [ 449.744378] lowmem_reserve[]: 0 2818 6321 6321 [ 449.746948] ? dump_stack_print_info.cold.1+0x20/0x20 [ 449.774246] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 449.777880] warn_alloc.cold.116+0xb7/0x1bd [ 449.782413] lowmem_reserve[]: 0 0 3503 3503 [ 449.787583] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 449.815049] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 449.819360] ? lock_downgrade+0x900/0x900 [ 449.823644] lowmem_reserve[]: 0 0 0 0 [ 449.828495] ? trace_hardirqs_off+0xb8/0x310 [ 449.858420] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 449.862563] ? trace_hardirqs_off+0xb8/0x310 [ 449.866329] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 449.870731] __alloc_pages_slowpath+0x26e8/0x2e10 [ 449.884217] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 449.888635] ? warn_alloc+0x120/0x120 [ 449.903847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 449.908669] ? warn_alloc+0x120/0x120 [ 449.922853] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 449.926854] ? warn_alloc+0x120/0x120 [ 449.935662] 366 total pagecache pages [ 449.939445] ? trace_hardirqs_off+0xb8/0x310 [ 449.948002] 0 pages in swap cache [ 449.951786] ? print_usage_bug+0xc0/0xc0 [ 449.955558] Swap cache stats: add 0, delete 0, find 0/0 [ 449.960292] ? print_usage_bug+0xc0/0xc0 [ 449.963714] Free swap = 0kB [ 449.967760] ? __lock_acquire+0x62f/0x4c20 [ 449.973087] Total swap = 0kB [ 449.977132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.980116] 1965979 pages RAM [ 449.984334] ? should_fail+0x22d/0xd01 [ 449.987329] 0 pages HighMem/MovableOnly [ 449.992848] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.995920] 342854 pages reserved [ 449.999793] ? __lock_acquire+0x62f/0x4c20 [ 450.003736] 0 pages cma reserved [ 450.008822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.012295] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 450.016456] ? __lock_acquire+0x62f/0x4c20 [ 450.016471] ? should_fail+0x22d/0xd01 [ 450.020001] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.025017] ? mark_held_locks+0x130/0x130 [ 450.031467] syz-fuzzer cpuset=/ mems_allowed=0 [ 450.035686] ? mark_held_locks+0x130/0x130 [ 450.063221] ? zap_class+0x640/0x640 [ 450.066931] ? ret_from_fork+0x3a/0x50 [ 450.070813] ? __lock_acquire+0x62f/0x4c20 [ 450.075040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.080569] ? check_preemption_disabled+0x48/0x280 [ 450.085585] ? __lock_is_held+0xb5/0x140 [ 450.089649] __alloc_pages_nodemask+0xa80/0xde0 [ 450.094310] ? zap_class+0x640/0x640 [ 450.098021] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 450.103041] ? find_held_lock+0x36/0x1c0 [ 450.107104] ? ____cache_alloc_node+0x1c7/0x1e0 [ 450.111768] ? lock_downgrade+0x900/0x900 [ 450.115916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.121452] cache_grow_begin+0xa5/0x8c0 [ 450.125504] ? do_raw_spin_unlock+0xa7/0x330 [ 450.129911] fallback_alloc+0x204/0x2e0 [ 450.133882] ____cache_alloc_node+0x1c7/0x1e0 [ 450.138377] kmem_cache_alloc_node+0xe3/0x730 [ 450.142862] ? mark_held_locks+0xc7/0x130 [ 450.147012] __alloc_skb+0x119/0x770 [ 450.150743] ? netdev_alloc_frag+0x1f0/0x1f0 [ 450.155143] ? do_raw_spin_trylock+0x270/0x270 [ 450.160182] ? kmem_cache_alloc_trace+0x353/0x750 [ 450.165022] ? queue_work_on+0x12c/0x1e0 [ 450.169086] ? switchdev_port_obj_del+0xdc/0x440 [ 450.173838] ? switchdev_trans_item_enqueue+0x260/0x260 [ 450.179200] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 450.184314] __br_mdb_notify+0x4ff/0x15d0 [ 450.188455] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 450.193561] ? __br_mdb_add+0x7f0/0x7f0 [ 450.197530] ? mark_held_locks+0x130/0x130 [ 450.201760] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 450.206858] ? debug_object_assert_init+0x368/0x4b0 [ 450.211881] ? debug_object_init_on_stack+0x20/0x20 [ 450.216889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.222424] br_mdb_notify+0x310/0x410 [ 450.226306] ? br_mdb_dump+0x27b0/0x27b0 [ 450.230467] br_multicast_del_pg+0x3df/0x790 [ 450.234875] ? br_mdb_ip_get+0x940/0x940 [ 450.239115] ? rwlock_bug.part.2+0x90/0x90 [ 450.243343] ? __lock_is_held+0xb5/0x140 [ 450.247406] br_multicast_port_group_expired+0x189/0x1e0 [ 450.252874] call_timer_fn+0x272/0x920 [ 450.257031] ? br_multicast_del_pg+0x790/0x790 [ 450.261604] ? process_timeout+0x40/0x40 [ 450.265665] ? __run_timers+0x7da/0xc70 [ 450.269628] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.274112] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.278599] ? br_multicast_del_pg+0x790/0x790 [ 450.283177] ? lockdep_hardirqs_on+0x296/0x5b0 [ 450.287758] ? trace_hardirqs_on+0xbd/0x310 [ 450.292073] ? kasan_check_read+0x11/0x20 [ 450.296212] ? __run_timers+0x7da/0xc70 [ 450.300181] ? trace_hardirqs_off_caller+0x310/0x310 [ 450.305278] ? br_multicast_del_pg+0x790/0x790 [ 450.309861] ? br_multicast_del_pg+0x790/0x790 [ 450.314434] __run_timers+0x7e5/0xc70 [ 450.318239] ? timer_fixup_init+0x70/0x70 [ 450.322378] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.326864] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.331353] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 450.335928] ? trace_hardirqs_on+0xbd/0x310 [ 450.340256] ? kasan_check_read+0x11/0x20 [ 450.344395] ? finish_task_switch+0x1f4/0x910 [ 450.348879] ? trace_hardirqs_off_caller+0x310/0x310 [ 450.354003] ? compat_start_thread+0x80/0x80 [ 450.358764] ? pvclock_read_flags+0x160/0x160 [ 450.363336] ? __switch_to_asm+0x34/0x70 [ 450.367395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.372926] ? check_preemption_disabled+0x48/0x280 [ 450.377950] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 450.383512] ? rcu_pm_notify+0xc0/0xc0 [ 450.387410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.392940] ? check_preemption_disabled+0x48/0x280 [ 450.397974] run_timer_softirq+0x52/0xb0 [ 450.402031] ? rcu_read_lock_sched_held+0x14f/0x180 [ 450.407041] __do_softirq+0x308/0xb7e [ 450.410838] ? trace_hardirqs_on_caller+0xc0/0x310 [ 450.415764] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 450.420862] ? trace_hardirqs_on+0x310/0x310 [ 450.425271] ? schedule+0x108/0x460 [ 450.428918] ? trace_hardirqs_off+0xb8/0x310 [ 450.433329] ? smpboot_thread_fn+0x68b/0xa00 [ 450.437728] ? trace_hardirqs_on+0x310/0x310 [ 450.442130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.447660] ? check_preemption_disabled+0x48/0x280 [ 450.452673] ? takeover_tasklets+0xa90/0xa90 [ 450.457407] run_ksoftirqd+0x5e/0x100 [ 450.461203] smpboot_thread_fn+0x68b/0xa00 [ 450.465436] ? sort_range+0x30/0x30 [ 450.469071] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 450.474170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.479698] ? __kthread_parkme+0xfb/0x1a0 [ 450.483937] ? sort_range+0x30/0x30 [ 450.487569] kthread+0x35a/0x440 [ 450.490928] ? kthread_stop+0x900/0x900 [ 450.494902] ret_from_fork+0x3a/0x50 [ 450.498627] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 450.498758] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.505550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.515834] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 450.525169] Call Trace: [ 450.532401] [ 450.534551] dump_stack+0x244/0x39d [ 450.538179] ? dump_stack_print_info.cold.1+0x20/0x20 [ 450.543378] warn_alloc.cold.116+0xb7/0x1bd [ 450.547696] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 450.552535] ? lock_downgrade+0x900/0x900 [ 450.557604] ? trace_hardirqs_off+0xb8/0x310 [ 450.562011] ? trace_hardirqs_off+0xb8/0x310 [ 450.566510] __alloc_pages_slowpath+0x26e8/0x2e10 [ 450.571372] ? warn_alloc+0x120/0x120 [ 450.575171] ? print_usage_bug+0xc0/0xc0 [ 450.579228] ? warn_alloc+0x120/0x120 [ 450.583029] ? warn_alloc+0x120/0x120 [ 450.586828] ? print_usage_bug+0xc0/0xc0 [ 450.590890] ? print_usage_bug+0xc0/0xc0 [ 450.594952] ? __lock_acquire+0x62f/0x4c20 [ 450.599186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.604729] ? should_fail+0x22d/0xd01 [ 450.608627] ? __lock_acquire+0x62f/0x4c20 [ 450.612856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.617964] ? __lock_acquire+0x62f/0x4c20 [ 450.622202] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.627298] ? __lock_acquire+0x62f/0x4c20 [ 450.631523] ? should_fail+0x22d/0xd01 [ 450.635412] ? mark_held_locks+0x130/0x130 [ 450.639643] ? mark_held_locks+0x130/0x130 [ 450.643867] ? zap_class+0x640/0x640 [ 450.647582] ? zap_class+0x640/0x640 [ 450.651288] ? print_usage_bug+0xc0/0xc0 [ 450.655339] ? do_raw_spin_unlock+0xa7/0x330 [ 450.660063] ? zap_class+0x640/0x640 [ 450.663770] ? print_usage_bug+0xc0/0xc0 [ 450.667823] ? wq_watchdog_touch+0x9c/0xfe [ 450.672055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.677585] ? check_preemption_disabled+0x48/0x280 [ 450.682602] ? __lock_is_held+0xb5/0x140 [ 450.686658] __alloc_pages_nodemask+0xa80/0xde0 [ 450.691317] ? zap_class+0x640/0x640 [ 450.695029] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 450.700047] ? find_held_lock+0x36/0x1c0 [ 450.704107] ? ____cache_alloc_node+0x1c7/0x1e0 [ 450.708766] ? lock_downgrade+0x900/0x900 [ 450.712915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.718458] cache_grow_begin+0xa5/0x8c0 [ 450.722509] ? do_raw_spin_unlock+0xa7/0x330 [ 450.726922] fallback_alloc+0x204/0x2e0 [ 450.730906] ____cache_alloc_node+0x1c7/0x1e0 [ 450.735427] kmem_cache_alloc_node+0xe3/0x730 [ 450.739918] ? ipv6_get_ifaddr+0x42e/0x620 [ 450.744162] __alloc_skb+0x119/0x770 [ 450.747869] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 450.753156] ? netdev_alloc_frag+0x1f0/0x1f0 [ 450.758060] ? lock_downgrade+0x900/0x900 [ 450.762205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.767732] ? refcount_sub_and_test_checked+0x203/0x310 [ 450.773178] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 450.778617] ? addrconf_rs_timer+0x690/0x690 [ 450.783025] ndisc_alloc_skb+0x144/0x340 [ 450.787084] ndisc_send_rs+0x331/0x6e0 [ 450.790965] addrconf_rs_timer+0x314/0x690 [ 450.795211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.799451] call_timer_fn+0x272/0x920 [ 450.803337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.807562] ? process_timeout+0x40/0x40 [ 450.811624] ? mark_held_locks+0xc7/0x130 [ 450.815765] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.820254] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.824740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.828984] ? lockdep_hardirqs_on+0x296/0x5b0 [ 450.833559] ? trace_hardirqs_on+0xbd/0x310 [ 450.837874] ? kasan_check_read+0x11/0x20 [ 450.842010] ? __run_timers+0x7da/0xc70 [ 450.845975] ? trace_hardirqs_off_caller+0x310/0x310 [ 450.851078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.855303] __run_timers+0x7e5/0xc70 [ 450.859622] ? timer_fixup_init+0x70/0x70 [ 450.863762] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.868769] ? zap_class+0x640/0x640 [ 450.872480] ? print_usage_bug+0xc0/0xc0 [ 450.876534] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 450.881720] ? find_held_lock+0x36/0x1c0 [ 450.885781] ? zap_class+0x640/0x640 [ 450.889494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.895026] ? check_preemption_disabled+0x48/0x280 [ 450.900047] ? __lock_is_held+0xb5/0x140 [ 450.904113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.909642] ? check_preemption_disabled+0x48/0x280 [ 450.914668] run_timer_softirq+0x52/0xb0 [ 450.918728] ? rcu_read_lock_sched_held+0x14f/0x180 [ 450.923735] __do_softirq+0x308/0xb7e [ 450.927531] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 450.932017] ? lock_downgrade+0x900/0x900 [ 450.936181] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 450.941286] ? pvclock_read_flags+0x160/0x160 [ 450.945789] ? lapic_next_event+0x5a/0x90 [ 450.949937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.955473] ? kvm_clock_read+0x18/0x30 [ 450.959728] ? kvm_sched_clock_read+0x9/0x20 [ 450.964137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.969666] ? check_preemption_disabled+0x48/0x280 [ 450.974680] irq_exit+0x17f/0x1c0 [ 450.978126] smp_apic_timer_interrupt+0x1cb/0x760 [ 450.982961] ? smp_reschedule_interrupt+0x109/0x650 [ 450.987967] ? smp_call_function_single_interrupt+0x650/0x650 [ 450.993856] ? interrupt_entry+0xb5/0xc0 [ 450.997909] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.002931] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.007946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.012784] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.017789] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.022799] ? task_prio+0x50/0x50 [ 451.026332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.031863] ? check_preemption_disabled+0x48/0x280 [ 451.036877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.041715] apic_timer_interrupt+0xf/0x20 [ 451.045934] [ 451.048168] RIP: 0010:dump_stack+0x358/0x39d [ 451.052572] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 451.072223] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 451.079929] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 451.087188] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 451.094450] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 451.101721] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 451.108977] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 451.116255] ? dump_stack+0x34f/0x39d [ 451.120062] ? dump_stack_print_info.cold.1+0x20/0x20 [ 451.125246] ? mark_held_locks+0x130/0x130 [ 451.129471] ? mark_held_locks+0x130/0x130 [ 451.133702] dump_header+0x27b/0xf72 [ 451.137418] ? pagefault_out_of_memory+0x197/0x197 [ 451.142351] ? __lock_acquire+0x62f/0x4c20 [ 451.146580] ? percpu_ref_get_many+0x240/0x240 [ 451.151159] ? print_usage_bug+0xc0/0xc0 [ 451.155215] ? zap_class+0x640/0x640 [ 451.159501] ? print_usage_bug+0xc0/0xc0 [ 451.163553] ? print_usage_bug+0xc0/0xc0 [ 451.167610] ? zap_class+0x640/0x640 [ 451.171321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.176859] ? find_held_lock+0x36/0x1c0 [ 451.180931] ? mark_held_locks+0xc7/0x130 [ 451.185074] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.190169] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.195266] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 451.199843] ? trace_hardirqs_on+0xbd/0x310 [ 451.204247] ? kasan_check_read+0x11/0x20 [ 451.208385] ? ___ratelimit+0x3b4/0x672 [ 451.212349] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.217454] ? trace_hardirqs_on+0x310/0x310 [ 451.221862] ? lock_downgrade+0x900/0x900 [ 451.226011] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 451.231116] ? ___ratelimit+0x3b9/0x672 [ 451.235090] ? idr_get_free+0xf70/0xf70 [ 451.239056] ? find_held_lock+0x36/0x1c0 [ 451.243117] oom_kill_process.cold.27+0x10/0x903 [ 451.247865] ? zap_class+0x640/0x640 [ 451.251576] ? check_preemption_disabled+0x48/0x280 [ 451.257575] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.262494] ? kasan_check_read+0x11/0x20 [ 451.266627] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.271939] ? oom_evaluate_task+0x540/0x540 [ 451.276344] ? find_held_lock+0x36/0x1c0 [ 451.280399] ? out_of_memory+0x974/0x1430 [ 451.284544] ? lock_downgrade+0x900/0x900 [ 451.288682] ? check_preemption_disabled+0x48/0x280 [ 451.293691] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.298632] ? kasan_check_read+0x11/0x20 [ 451.302771] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.308129] ? rcu_softirq_qs+0x20/0x20 [ 451.312105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.317631] ? oom_evaluate_task+0x302/0x540 [ 451.322036] out_of_memory+0xa84/0x1430 [ 451.326017] ? oom_killer_disable+0x3a0/0x3a0 [ 451.330505] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 451.335433] ? __ww_mutex_check_waiters+0x160/0x160 [ 451.340452] __alloc_pages_slowpath+0x2354/0x2e10 [ 451.345316] ? warn_alloc+0x120/0x120 [ 451.349113] ? mark_held_locks+0x130/0x130 [ 451.353342] ? find_get_entry+0xaae/0x1120 [ 451.358507] ? filemap_map_pages+0x1a20/0x1a20 [ 451.363091] ? zap_class+0x640/0x640 [ 451.366806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.372336] ? check_preemption_disabled+0x48/0x280 [ 451.377344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.382877] ? should_fail+0x22d/0xd01 [ 451.386768] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.391867] ? zap_class+0x640/0x640 [ 451.395601] ? __lock_is_held+0xb5/0x140 [ 451.399662] ? mark_held_locks+0x130/0x130 [ 451.403900] ? lock_release+0xa00/0xa00 [ 451.407873] ? perf_trace_sched_process_exec+0x860/0x860 [ 451.413327] ? xa_load+0x2ba/0x460 [ 451.416865] ? lock_downgrade+0x900/0x900 [ 451.421052] ? __might_sleep+0x95/0x190 [ 451.425026] __alloc_pages_nodemask+0xa80/0xde0 [ 451.429694] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 451.434705] ? __page_cache_alloc+0x191/0x5c0 [ 451.439194] ? xa_load+0x2e1/0x460 [ 451.442728] ? xa_clear_mark+0x40/0x40 [ 451.446604] ? zap_class+0x640/0x640 [ 451.450317] ? zap_class+0x640/0x640 [ 451.454022] ? zap_class+0x640/0x640 [ 451.458673] ? __do_page_cache_readahead+0x663/0x810 [ 451.463776] ? find_held_lock+0x36/0x1c0 [ 451.467836] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 451.473370] alloc_pages_current+0x173/0x350 [ 451.477787] __page_cache_alloc+0x38c/0x5c0 [ 451.482099] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.487036] ? kasan_check_read+0x11/0x20 [ 451.491173] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.496442] ? generic_perform_write+0x6a0/0x6a0 [ 451.501189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.506719] ? check_preemption_disabled+0x48/0x280 [ 451.511735] filemap_fault+0x1595/0x25f0 [ 451.515804] ? __lock_page_or_retry+0xa00/0xa00 [ 451.520468] ? mark_held_locks+0x130/0x130 [ 451.524704] ? filemap_map_pages+0xd6b/0x1a20 [ 451.529194] ? lock_downgrade+0x900/0x900 [ 451.533334] ? check_preemption_disabled+0x48/0x280 [ 451.538346] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.543281] ? kasan_check_read+0x11/0x20 [ 451.547424] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.552694] ? rcu_softirq_qs+0x20/0x20 [ 451.557463] ? filemap_map_pages+0xd92/0x1a20 [ 451.561962] ? find_get_entries_tag+0x1400/0x1400 [ 451.566795] ? debug_object_destroy+0x2b0/0x2b0 [ 451.571456] ? lock_pi_update_atomic+0x150/0x150 [ 451.576207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.581745] ? lock_acquire+0x1ed/0x520 [ 451.585710] ? ext4_filemap_fault+0x7a/0xad [ 451.590031] ? lock_release+0xa00/0xa00 [ 451.593999] ? perf_trace_sched_process_exec+0x860/0x860 [ 451.599454] ? print_usage_bug+0xc0/0xc0 [ 451.603513] ? print_usage_bug+0xc0/0xc0 [ 451.607577] ? down_read+0x8d/0x120 [ 451.611192] ? ext4_filemap_fault+0x7a/0xad [ 451.615505] ? __down_interruptible+0x700/0x700 [ 451.620201] ext4_filemap_fault+0x82/0xad [ 451.624341] __do_fault+0x100/0x6b0 [ 451.627967] ? pmd_devmap_trans_unstable+0x220/0x220 [ 451.633067] ? mark_held_locks+0x130/0x130 [ 451.637296] ? mark_held_locks+0x130/0x130 [ 451.641529] ? do_raw_spin_trylock+0x270/0x270 [ 451.646115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.651649] __handle_mm_fault+0x3ea0/0x5be0 [ 451.656052] ? perf_trace_lock+0x7a0/0x7a0 [ 451.661084] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 451.665929] ? __switch_to_asm+0x34/0x70 [ 451.669983] ? __switch_to_asm+0x34/0x70 [ 451.674046] ? zap_class+0x640/0x640 [ 451.677755] ? zap_class+0x640/0x640 [ 451.681463] ? __x64_sys_futex+0x53e/0x6a0 [ 451.685692] ? find_held_lock+0x36/0x1c0 [ 451.689766] ? handle_mm_fault+0x42a/0xc70 [ 451.693996] ? lock_downgrade+0x900/0x900 [ 451.698139] ? check_preemption_disabled+0x48/0x280 [ 451.703154] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.708074] ? kasan_check_read+0x11/0x20 [ 451.712215] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.717484] ? rcu_softirq_qs+0x20/0x20 [ 451.721452] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.726551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.732103] ? check_preemption_disabled+0x48/0x280 [ 451.737124] handle_mm_fault+0x54f/0xc70 [ 451.741182] ? __handle_mm_fault+0x5be0/0x5be0 [ 451.745762] ? find_vma+0x34/0x190 [ 451.749299] __do_page_fault+0x5e8/0xe60 [ 451.753354] ? trace_hardirqs_off+0xb8/0x310 [ 451.758939] do_page_fault+0xf2/0x7e0 [ 451.762750] ? vmalloc_sync_all+0x30/0x30 [ 451.766894] ? error_entry+0x70/0xd0 [ 451.770628] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.775646] ? trace_hardirqs_on_caller+0xc0/0x310 [ 451.780572] ? syscall_return_slowpath+0x5e0/0x5e0 [ 451.785488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.790323] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.795334] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 451.800800] ? prepare_exit_to_usermode+0x291/0x3b0 [ 451.805809] ? page_fault+0x8/0x30 [ 451.809360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.814201] ? page_fault+0x8/0x30 [ 451.817735] page_fault+0x1e/0x30 [ 451.821179] RIP: 0033:0x45ddf3 [ 451.824384] Code: Bad RIP value. [ 451.827754] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 451.833106] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 451.840366] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 451.847631] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 451.854890] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 451.862755] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 451.870032] warn_alloc_show_mem: 1 callbacks suppressed [ 451.870041] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 451.870043] Mem-Info: [ 451.870073] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 451.870073] active_file:12 inactive_file:13 isolated_file:0 [ 451.870073] unevictable:0 dirty:0 writeback:0 unstable:0 [ 451.870073] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 451.870073] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 451.870073] free:13705 free_pcp:178 free_cma:0 [ 451.875404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 451.882148] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 451.884538] Call Trace: [ 451.917400] Node 0 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 [ 451.926932] dump_stack+0x244/0x39d [ 451.954567] lowmem_reserve[]: 0 2818 6321 6321 [ 451.957458] ? dump_stack_print_info.cold.1+0x20/0x20 [ 451.983560] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 451.987178] warn_alloc.cold.116+0xb7/0x1bd [ 451.991717] lowmem_reserve[]: 0 0 3503 3503 [ 451.996896] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 452.024361] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 452.028670] ? lock_downgrade+0x900/0x900 [ 452.032966] lowmem_reserve[]: 0 0 0 0 [ 452.037798] ? trace_hardirqs_off+0xb8/0x310 [ 452.067322] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 452.071468] ? trace_hardirqs_off+0xb8/0x310 [ 452.075239] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 452.079642] __alloc_pages_slowpath+0x26e8/0x2e10 [ 452.093121] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 452.097544] ? warn_alloc+0x120/0x120 [ 452.112756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 452.117584] ? warn_alloc+0x120/0x120 [ 452.131771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 452.135565] ? warn_alloc+0x120/0x120 [ 452.144369] 366 total pagecache pages [ 452.148267] ? trace_hardirqs_off+0xb8/0x310 [ 452.157590] 0 pages in swap cache [ 452.161366] ? print_usage_bug+0xc0/0xc0 [ 452.161383] ? print_usage_bug+0xc0/0xc0 [ 452.165157] Swap cache stats: add 0, delete 0, find 0/0 [ 452.169548] ? __lock_acquire+0x62f/0x4c20 [ 452.172972] Free swap = 0kB [ 452.177018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.181046] Total swap = 0kB [ 452.186393] ? should_fail+0x22d/0xd01 [ 452.190608] 1965979 pages RAM [ 452.193630] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.199138] 0 pages HighMem/MovableOnly [ 452.202158] ? __lock_acquire+0x62f/0x4c20 [ 452.206009] 342854 pages reserved [ 452.206016] 0 pages cma reserved [ 452.209108] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.214233] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 452.218134] ? __lock_acquire+0x62f/0x4c20 [ 452.218149] ? should_fail+0x22d/0xd01 [ 452.222435] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 452.225801] ? mark_held_locks+0x130/0x130 [ 452.229134] syz-fuzzer cpuset=/ mems_allowed=0 [ 452.234224] ? mark_held_locks+0x130/0x130 [ 452.272271] ? zap_class+0x640/0x640 [ 452.275974] ? ret_from_fork+0x3a/0x50 [ 452.279861] ? __lock_acquire+0x62f/0x4c20 [ 452.284088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.289614] ? check_preemption_disabled+0x48/0x280 [ 452.294715] ? __lock_is_held+0xb5/0x140 [ 452.298870] __alloc_pages_nodemask+0xa80/0xde0 [ 452.303535] ? zap_class+0x640/0x640 [ 452.307253] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 452.312269] ? find_held_lock+0x36/0x1c0 [ 452.316333] ? ____cache_alloc_node+0x1c7/0x1e0 [ 452.320998] ? lock_downgrade+0x900/0x900 [ 452.325165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.330699] cache_grow_begin+0xa5/0x8c0 [ 452.334752] ? do_raw_spin_unlock+0xa7/0x330 [ 452.339154] fallback_alloc+0x204/0x2e0 [ 452.343125] ____cache_alloc_node+0x1c7/0x1e0 [ 452.347612] kmem_cache_alloc_node+0xe3/0x730 [ 452.352112] ? mark_held_locks+0xc7/0x130 [ 452.356569] __alloc_skb+0x119/0x770 [ 452.360362] ? netdev_alloc_frag+0x1f0/0x1f0 [ 452.364762] ? do_raw_spin_trylock+0x270/0x270 [ 452.369334] ? kmem_cache_alloc_trace+0x353/0x750 [ 452.374172] ? queue_work_on+0x12c/0x1e0 [ 452.378234] ? switchdev_port_obj_del+0xdc/0x440 [ 452.382986] ? switchdev_trans_item_enqueue+0x260/0x260 [ 452.388349] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 452.393363] __br_mdb_notify+0x4ff/0x15d0 [ 452.397503] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 452.402616] ? __br_mdb_add+0x7f0/0x7f0 [ 452.406587] ? mark_held_locks+0x130/0x130 [ 452.410830] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 452.415934] ? debug_object_assert_init+0x368/0x4b0 [ 452.420948] ? debug_object_init_on_stack+0x20/0x20 [ 452.425957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.431491] br_mdb_notify+0x310/0x410 [ 452.435370] ? br_mdb_dump+0x27b0/0x27b0 [ 452.439442] br_multicast_del_pg+0x3df/0x790 [ 452.443860] ? br_mdb_ip_get+0x940/0x940 [ 452.447908] ? rwlock_bug.part.2+0x90/0x90 [ 452.452174] ? __lock_is_held+0xb5/0x140 [ 452.456566] br_multicast_port_group_expired+0x189/0x1e0 [ 452.462003] call_timer_fn+0x272/0x920 [ 452.465882] ? br_multicast_del_pg+0x790/0x790 [ 452.470456] ? process_timeout+0x40/0x40 [ 452.474513] ? __run_timers+0x7da/0xc70 [ 452.478481] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.482970] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.487453] ? br_multicast_del_pg+0x790/0x790 [ 452.492025] ? lockdep_hardirqs_on+0x296/0x5b0 [ 452.496597] ? trace_hardirqs_on+0xbd/0x310 [ 452.500911] ? kasan_check_read+0x11/0x20 [ 452.505052] ? __run_timers+0x7da/0xc70 [ 452.509023] ? trace_hardirqs_off_caller+0x310/0x310 [ 452.514131] ? br_multicast_del_pg+0x790/0x790 [ 452.518709] ? br_multicast_del_pg+0x790/0x790 [ 452.523289] __run_timers+0x7e5/0xc70 [ 452.527089] ? timer_fixup_init+0x70/0x70 [ 452.531245] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.535731] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.540216] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 452.544791] ? trace_hardirqs_on+0xbd/0x310 [ 452.549107] ? kasan_check_read+0x11/0x20 [ 452.553251] ? finish_task_switch+0x1f4/0x910 [ 452.558028] ? trace_hardirqs_off_caller+0x310/0x310 [ 452.563122] ? compat_start_thread+0x80/0x80 [ 452.567543] ? pvclock_read_flags+0x160/0x160 [ 452.572025] ? __switch_to_asm+0x34/0x70 [ 452.576098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.581630] ? check_preemption_disabled+0x48/0x280 [ 452.586645] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 452.592176] ? rcu_pm_notify+0xc0/0xc0 [ 452.596076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.601605] ? check_preemption_disabled+0x48/0x280 [ 452.606621] run_timer_softirq+0x52/0xb0 [ 452.610671] ? rcu_read_lock_sched_held+0x14f/0x180 [ 452.615675] __do_softirq+0x308/0xb7e [ 452.619473] ? trace_hardirqs_on_caller+0xc0/0x310 [ 452.624397] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 452.629494] ? trace_hardirqs_on+0x310/0x310 [ 452.633900] ? schedule+0x108/0x460 [ 452.637531] ? trace_hardirqs_off+0xb8/0x310 [ 452.641946] ? smpboot_thread_fn+0x68b/0xa00 [ 452.646345] ? trace_hardirqs_on+0x310/0x310 [ 452.650764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.656595] ? check_preemption_disabled+0x48/0x280 [ 452.661607] ? takeover_tasklets+0xa90/0xa90 [ 452.666012] run_ksoftirqd+0x5e/0x100 [ 452.669814] smpboot_thread_fn+0x68b/0xa00 [ 452.674064] ? sort_range+0x30/0x30 [ 452.677682] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 452.682777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.688327] ? __kthread_parkme+0xfb/0x1a0 [ 452.692559] ? sort_range+0x30/0x30 [ 452.696178] kthread+0x35a/0x440 [ 452.699541] ? kthread_stop+0x900/0x900 [ 452.703523] ret_from_fork+0x3a/0x50 [ 452.707244] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 452.707373] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 452.714168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 452.724453] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 452.733782] Call Trace: [ 452.740993] [ 452.743137] dump_stack+0x244/0x39d [ 452.746761] ? dump_stack_print_info.cold.1+0x20/0x20 [ 452.751959] warn_alloc.cold.116+0xb7/0x1bd [ 452.757021] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 452.761874] ? lock_downgrade+0x900/0x900 [ 452.766024] ? trace_hardirqs_off+0xb8/0x310 [ 452.770432] ? trace_hardirqs_off+0xb8/0x310 [ 452.774843] __alloc_pages_slowpath+0x26e8/0x2e10 [ 452.779702] ? warn_alloc+0x120/0x120 [ 452.783581] ? print_usage_bug+0xc0/0xc0 [ 452.787631] ? warn_alloc+0x120/0x120 [ 452.791426] ? warn_alloc+0x120/0x120 [ 452.795218] ? print_usage_bug+0xc0/0xc0 [ 452.799273] ? kvm_clock_read+0x18/0x30 [ 452.803239] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 452.808261] ? print_usage_bug+0xc0/0xc0 [ 452.812319] ? __lock_acquire+0x62f/0x4c20 [ 452.816552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.822084] ? should_fail+0x22d/0xd01 [ 452.825971] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 452.831242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.836340] ? __lock_acquire+0x62f/0x4c20 [ 452.840570] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.845660] ? __lock_acquire+0x62f/0x4c20 [ 452.849879] ? should_fail+0x22d/0xd01 [ 452.853775] ? rcu_irq_exit+0x1a2/0x390 [ 452.858500] ? mark_held_locks+0x130/0x130 [ 452.862728] ? mark_held_locks+0x130/0x130 [ 452.866960] ? mark_held_locks+0xc7/0x130 [ 452.871114] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 452.876117] ? zap_class+0x640/0x640 [ 452.879819] ? print_usage_bug+0xc0/0xc0 [ 452.883876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.889418] ? check_preemption_disabled+0x48/0x280 [ 452.894454] ? __lock_is_held+0xb5/0x140 [ 452.898512] __alloc_pages_nodemask+0xa80/0xde0 [ 452.903215] ? zap_class+0x640/0x640 [ 452.906943] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 452.911961] ? find_held_lock+0x36/0x1c0 [ 452.916024] ? ____cache_alloc_node+0x1c7/0x1e0 [ 452.920689] ? lock_downgrade+0x900/0x900 [ 452.924834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.930372] cache_grow_begin+0xa5/0x8c0 [ 452.934426] ? do_raw_spin_unlock+0xa7/0x330 [ 452.938834] fallback_alloc+0x204/0x2e0 [ 452.942810] ____cache_alloc_node+0x1c7/0x1e0 [ 452.947320] kmem_cache_alloc_node+0xe3/0x730 [ 452.951812] ? ipv6_get_ifaddr+0x42e/0x620 [ 452.956823] __alloc_skb+0x119/0x770 [ 452.960618] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 452.965888] ? netdev_alloc_frag+0x1f0/0x1f0 [ 452.970286] ? lock_downgrade+0x900/0x900 [ 452.974438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.979969] ? refcount_sub_and_test_checked+0x203/0x310 [ 452.985415] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 452.990856] ? addrconf_rs_timer+0x690/0x690 [ 452.995269] ndisc_alloc_skb+0x144/0x340 [ 452.999333] ndisc_send_rs+0x331/0x6e0 [ 453.003234] addrconf_rs_timer+0x314/0x690 [ 453.007467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.011703] call_timer_fn+0x272/0x920 [ 453.015584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.019812] ? process_timeout+0x40/0x40 [ 453.023876] ? mark_held_locks+0xc7/0x130 [ 453.028020] ? _raw_spin_unlock_irq+0x27/0x80 [ 453.032506] ? _raw_spin_unlock_irq+0x27/0x80 [ 453.036997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.041226] ? lockdep_hardirqs_on+0x296/0x5b0 [ 453.045806] ? trace_hardirqs_on+0xbd/0x310 [ 453.050122] ? kasan_check_read+0x11/0x20 [ 453.054261] ? __run_timers+0x7da/0xc70 [ 453.059175] ? trace_hardirqs_off_caller+0x310/0x310 [ 453.064278] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.068511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.072740] __run_timers+0x7e5/0xc70 [ 453.076544] ? timer_fixup_init+0x70/0x70 [ 453.080691] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 453.085700] ? zap_class+0x640/0x640 [ 453.089412] ? print_usage_bug+0xc0/0xc0 [ 453.093467] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 453.098655] ? find_held_lock+0x36/0x1c0 [ 453.102710] ? zap_class+0x640/0x640 [ 453.106416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.111945] ? check_preemption_disabled+0x48/0x280 [ 453.116965] ? __lock_is_held+0xb5/0x140 [ 453.121020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.126557] ? check_preemption_disabled+0x48/0x280 [ 453.131582] run_timer_softirq+0x52/0xb0 [ 453.135637] ? rcu_read_lock_sched_held+0x14f/0x180 [ 453.140649] __do_softirq+0x308/0xb7e [ 453.144444] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 453.148931] ? lock_downgrade+0x900/0x900 [ 453.153163] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 453.159257] ? pvclock_read_flags+0x160/0x160 [ 453.163747] ? lapic_next_event+0x5a/0x90 [ 453.167899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.173432] ? kvm_clock_read+0x18/0x30 [ 453.177400] ? kvm_sched_clock_read+0x9/0x20 [ 453.181804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.187346] ? check_preemption_disabled+0x48/0x280 [ 453.192365] irq_exit+0x17f/0x1c0 [ 453.195810] smp_apic_timer_interrupt+0x1cb/0x760 [ 453.200652] ? smp_reschedule_interrupt+0x109/0x650 [ 453.205658] ? smp_call_function_single_interrupt+0x650/0x650 [ 453.211534] ? interrupt_entry+0xb5/0xc0 [ 453.215590] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.220601] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.225610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.230448] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.235460] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.240466] ? task_prio+0x50/0x50 [ 453.244010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.249539] ? check_preemption_disabled+0x48/0x280 [ 453.254554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.259899] apic_timer_interrupt+0xf/0x20 [ 453.264122] [ 453.266359] RIP: 0010:dump_stack+0x358/0x39d [ 453.270783] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 453.289677] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 453.297378] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 453.304637] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 453.311899] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 453.319172] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 453.326432] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 453.333708] ? dump_stack+0x34f/0x39d [ 453.337510] ? dump_stack_print_info.cold.1+0x20/0x20 [ 453.342696] ? mark_held_locks+0x130/0x130 [ 453.346919] ? mark_held_locks+0x130/0x130 [ 453.351147] dump_header+0x27b/0xf72 [ 453.354863] ? pagefault_out_of_memory+0x197/0x197 [ 453.360455] ? __lock_acquire+0x62f/0x4c20 [ 453.364683] ? percpu_ref_get_many+0x240/0x240 [ 453.369258] ? print_usage_bug+0xc0/0xc0 [ 453.373318] ? zap_class+0x640/0x640 [ 453.377031] ? print_usage_bug+0xc0/0xc0 [ 453.381081] ? print_usage_bug+0xc0/0xc0 [ 453.385140] ? zap_class+0x640/0x640 [ 453.388848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.394382] ? find_held_lock+0x36/0x1c0 [ 453.398439] ? mark_held_locks+0xc7/0x130 [ 453.402578] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 453.407669] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 453.412771] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 453.417349] ? trace_hardirqs_on+0xbd/0x310 [ 453.421663] ? kasan_check_read+0x11/0x20 [ 453.425803] ? ___ratelimit+0x3b4/0x672 [ 453.429778] ? trace_hardirqs_off_caller+0x310/0x310 [ 453.434875] ? trace_hardirqs_on+0x310/0x310 [ 453.439282] ? lock_downgrade+0x900/0x900 [ 453.443426] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 453.449563] ? ___ratelimit+0x3b9/0x672 [ 453.453532] ? idr_get_free+0xf70/0xf70 [ 453.458455] ? find_held_lock+0x36/0x1c0 [ 453.462526] oom_kill_process.cold.27+0x10/0x903 [ 453.467279] ? zap_class+0x640/0x640 [ 453.470986] ? check_preemption_disabled+0x48/0x280 [ 453.475999] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 453.480922] ? kasan_check_read+0x11/0x20 [ 453.485063] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.490331] ? oom_evaluate_task+0x540/0x540 [ 453.494737] ? find_held_lock+0x36/0x1c0 [ 453.498804] ? out_of_memory+0x974/0x1430 [ 453.502946] ? lock_downgrade+0x900/0x900 [ 453.507084] ? check_preemption_disabled+0x48/0x280 [ 453.512179] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 453.517099] ? kasan_check_read+0x11/0x20 [ 453.521239] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.526509] ? rcu_softirq_qs+0x20/0x20 [ 453.530483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.536028] ? oom_evaluate_task+0x302/0x540 [ 453.540433] out_of_memory+0xa84/0x1430 [ 453.544413] ? oom_killer_disable+0x3a0/0x3a0 [ 453.548902] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 453.553826] ? __ww_mutex_check_waiters+0x160/0x160 [ 453.559592] __alloc_pages_slowpath+0x2354/0x2e10 [ 453.564449] ? warn_alloc+0x120/0x120 [ 453.568245] ? mark_held_locks+0x130/0x130 [ 453.572479] ? find_get_entry+0xaae/0x1120 [ 453.576721] ? filemap_map_pages+0x1a20/0x1a20 [ 453.581305] ? zap_class+0x640/0x640 [ 453.585019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.590550] ? check_preemption_disabled+0x48/0x280 [ 453.595563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.601097] ? should_fail+0x22d/0xd01 [ 453.604981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.610076] ? zap_class+0x640/0x640 [ 453.613803] ? __lock_is_held+0xb5/0x140 [ 453.617866] ? mark_held_locks+0x130/0x130 [ 453.622097] ? lock_release+0xa00/0xa00 [ 453.626069] ? perf_trace_sched_process_exec+0x860/0x860 [ 453.631513] ? xa_load+0x2ba/0x460 [ 453.635046] ? lock_downgrade+0x900/0x900 [ 453.639193] ? __might_sleep+0x95/0x190 [ 453.643167] __alloc_pages_nodemask+0xa80/0xde0 [ 453.647834] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 453.652844] ? __page_cache_alloc+0x191/0x5c0 [ 453.658091] ? xa_load+0x2e1/0x460 [ 453.661628] ? xa_clear_mark+0x40/0x40 [ 453.665511] ? zap_class+0x640/0x640 [ 453.669225] ? zap_class+0x640/0x640 [ 453.672937] ? zap_class+0x640/0x640 [ 453.676643] ? __do_page_cache_readahead+0x663/0x810 [ 453.681753] ? find_held_lock+0x36/0x1c0 [ 453.685813] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 453.691350] alloc_pages_current+0x173/0x350 [ 453.695843] __page_cache_alloc+0x38c/0x5c0 [ 453.700168] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 453.705087] ? kasan_check_read+0x11/0x20 [ 453.709227] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.714519] ? generic_perform_write+0x6a0/0x6a0 [ 453.719268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.724813] ? check_preemption_disabled+0x48/0x280 [ 453.729825] filemap_fault+0x1595/0x25f0 [ 453.733886] ? __lock_page_or_retry+0xa00/0xa00 [ 453.738551] ? mark_held_locks+0x130/0x130 [ 453.742795] ? filemap_map_pages+0xd6b/0x1a20 [ 453.747279] ? lock_downgrade+0x900/0x900 [ 453.751420] ? check_preemption_disabled+0x48/0x280 [ 453.757616] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 453.762538] ? kasan_check_read+0x11/0x20 [ 453.766681] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.771970] ? rcu_softirq_qs+0x20/0x20 [ 453.775953] ? filemap_map_pages+0xd92/0x1a20 [ 453.780456] ? find_get_entries_tag+0x1400/0x1400 [ 453.785295] ? debug_object_destroy+0x2b0/0x2b0 [ 453.789954] ? lock_pi_update_atomic+0x150/0x150 [ 453.794700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.800262] ? lock_acquire+0x1ed/0x520 [ 453.804225] ? ext4_filemap_fault+0x7a/0xad [ 453.808619] ? lock_release+0xa00/0xa00 [ 453.812584] ? perf_trace_sched_process_exec+0x860/0x860 [ 453.818030] ? print_usage_bug+0xc0/0xc0 [ 453.822172] ? print_usage_bug+0xc0/0xc0 [ 453.826236] ? down_read+0x8d/0x120 [ 453.829856] ? ext4_filemap_fault+0x7a/0xad [ 453.834170] ? __down_interruptible+0x700/0x700 [ 453.838839] ext4_filemap_fault+0x82/0xad [ 453.842982] __do_fault+0x100/0x6b0 [ 453.846601] ? pmd_devmap_trans_unstable+0x220/0x220 [ 453.851695] ? mark_held_locks+0x130/0x130 [ 453.855926] ? mark_held_locks+0x130/0x130 [ 453.860944] ? do_raw_spin_trylock+0x270/0x270 [ 453.865524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.871057] __handle_mm_fault+0x3ea0/0x5be0 [ 453.875460] ? perf_trace_lock+0x7a0/0x7a0 [ 453.879696] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 453.884543] ? __switch_to_asm+0x34/0x70 [ 453.888594] ? __switch_to_asm+0x34/0x70 [ 453.892659] ? zap_class+0x640/0x640 [ 453.896364] ? zap_class+0x640/0x640 [ 453.900069] ? __x64_sys_futex+0x53e/0x6a0 [ 453.904319] ? find_held_lock+0x36/0x1c0 [ 453.908385] ? handle_mm_fault+0x42a/0xc70 [ 453.912614] ? lock_downgrade+0x900/0x900 [ 453.916755] ? check_preemption_disabled+0x48/0x280 [ 453.921767] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 453.927218] ? kasan_check_read+0x11/0x20 [ 453.931364] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.936630] ? rcu_softirq_qs+0x20/0x20 [ 453.940615] ? trace_hardirqs_off_caller+0x310/0x310 [ 453.945709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.951277] ? check_preemption_disabled+0x48/0x280 [ 453.957299] handle_mm_fault+0x54f/0xc70 [ 453.961353] ? __handle_mm_fault+0x5be0/0x5be0 [ 453.965926] ? find_vma+0x34/0x190 [ 453.969462] __do_page_fault+0x5e8/0xe60 [ 453.973516] ? trace_hardirqs_off+0xb8/0x310 [ 453.977923] do_page_fault+0xf2/0x7e0 [ 453.981728] ? vmalloc_sync_all+0x30/0x30 [ 453.985873] ? error_entry+0x70/0xd0 [ 453.989583] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.994604] ? trace_hardirqs_on_caller+0xc0/0x310 [ 453.999550] ? syscall_return_slowpath+0x5e0/0x5e0 [ 454.004470] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 454.009307] ? trace_hardirqs_on_caller+0x310/0x310 [ 454.014320] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 454.019767] ? prepare_exit_to_usermode+0x291/0x3b0 [ 454.024775] ? page_fault+0x8/0x30 [ 454.028312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 454.033154] ? page_fault+0x8/0x30 [ 454.036687] page_fault+0x1e/0x30 [ 454.040137] RIP: 0033:0x45ddf3 [ 454.043336] Code: Bad RIP value. [ 454.046711] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 454.052079] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 454.060324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 454.067584] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 454.074846] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 454.082107] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 454.089389] warn_alloc_show_mem: 1 callbacks suppressed [ 454.089398] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 454.089400] Mem-Info: [ 454.089428] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 454.089428] active_file:12 inactive_file:13 isolated_file:0 [ 454.089428] unevictable:0 dirty:0 writeback:0 unstable:0 [ 454.089428] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 454.089428] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 454.089428] free:13705 free_pcp:178 free_cma:0 [ 454.094762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 454.101513] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 454.103895] Call Trace: [ 454.136751] Node 0 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 [ 454.146117] dump_stack+0x244/0x39d [ 454.174722] lowmem_reserve[]: 0 2818 6321 6321 [ 454.177313] ? dump_stack_print_info.cold.1+0x20/0x20 [ 454.203387] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 454.207014] warn_alloc.cold.116+0xb7/0x1bd [ 454.211549] lowmem_reserve[]: 0 0 3503 3503 [ 454.216742] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 454.244207] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 454.248517] ? lock_downgrade+0x900/0x900 [ 454.252804] lowmem_reserve[]: 0 0 0 0 [ 454.257915] ? trace_hardirqs_off+0xb8/0x310 [ 454.286858] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 454.291000] ? trace_hardirqs_off+0xb8/0x310 [ 454.294771] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 454.299172] __alloc_pages_slowpath+0x26e8/0x2e10 [ 454.312745] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 454.317161] ? warn_alloc+0x120/0x120 [ 454.332372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 454.337199] ? warn_alloc+0x120/0x120 [ 454.351393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 454.355176] ? warn_alloc+0x120/0x120 [ 454.364747] 366 total pagecache pages [ 454.368532] ? trace_hardirqs_off+0xb8/0x310 [ 454.377082] 0 pages in swap cache [ 454.380948] ? print_usage_bug+0xc0/0xc0 [ 454.384730] Swap cache stats: add 0, delete 0, find 0/0 [ 454.389135] ? print_usage_bug+0xc0/0xc0 [ 454.392553] Free swap = 0kB [ 454.392560] Total swap = 0kB [ 454.396609] ? __lock_acquire+0x62f/0x4c20 [ 454.401941] 1965979 pages RAM [ 454.405999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.408982] 0 pages HighMem/MovableOnly [ 454.408990] 342854 pages reserved [ 454.411996] ? should_fail+0x22d/0xd01 [ 454.416201] 0 pages cma reserved [ 454.419294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 454.424852] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 454.428764] ? __lock_acquire+0x62f/0x4c20 [ 454.432271] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 454.436066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 454.439404] syz-fuzzer cpuset=/ mems_allowed=0 [ 454.444483] ? __lock_acquire+0x62f/0x4c20 [ 454.444498] ? should_fail+0x22d/0xd01 [ 454.483561] ? mark_held_locks+0x130/0x130 [ 454.487791] ? mark_held_locks+0x130/0x130 [ 454.492036] ? zap_class+0x640/0x640 [ 454.495744] ? ret_from_fork+0x3a/0x50 [ 454.499624] ? __lock_acquire+0x62f/0x4c20 [ 454.503851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.509377] ? check_preemption_disabled+0x48/0x280 [ 454.514388] ? __lock_is_held+0xb5/0x140 [ 454.518444] __alloc_pages_nodemask+0xa80/0xde0 [ 454.523104] ? zap_class+0x640/0x640 [ 454.526813] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 454.531834] ? find_held_lock+0x36/0x1c0 [ 454.535895] ? ____cache_alloc_node+0x1c7/0x1e0 [ 454.540555] ? lock_downgrade+0x900/0x900 [ 454.544713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.550256] cache_grow_begin+0xa5/0x8c0 [ 454.554312] ? do_raw_spin_unlock+0xa7/0x330 [ 454.559040] fallback_alloc+0x204/0x2e0 [ 454.563010] ____cache_alloc_node+0x1c7/0x1e0 [ 454.567504] kmem_cache_alloc_node+0xe3/0x730 [ 454.571989] ? mark_held_locks+0xc7/0x130 [ 454.576141] __alloc_skb+0x119/0x770 [ 454.579849] ? netdev_alloc_frag+0x1f0/0x1f0 [ 454.584251] ? do_raw_spin_trylock+0x270/0x270 [ 454.588826] ? kmem_cache_alloc_trace+0x353/0x750 [ 454.593666] ? queue_work_on+0x12c/0x1e0 [ 454.597745] ? switchdev_port_obj_del+0xdc/0x440 [ 454.602495] ? switchdev_trans_item_enqueue+0x260/0x260 [ 454.607856] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 454.612872] __br_mdb_notify+0x4ff/0x15d0 [ 454.617012] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 454.622115] ? __br_mdb_add+0x7f0/0x7f0 [ 454.626085] ? mark_held_locks+0x130/0x130 [ 454.630331] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 454.635430] ? debug_object_assert_init+0x368/0x4b0 [ 454.640439] ? debug_object_init_on_stack+0x20/0x20 [ 454.645450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.650986] br_mdb_notify+0x310/0x410 [ 454.654870] ? br_mdb_dump+0x27b0/0x27b0 [ 454.659310] br_multicast_del_pg+0x3df/0x790 [ 454.663722] ? br_mdb_ip_get+0x940/0x940 [ 454.667771] ? rwlock_bug.part.2+0x90/0x90 [ 454.671998] ? __lock_is_held+0xb5/0x140 [ 454.676057] br_multicast_port_group_expired+0x189/0x1e0 [ 454.681501] call_timer_fn+0x272/0x920 [ 454.685379] ? br_multicast_del_pg+0x790/0x790 [ 454.689952] ? process_timeout+0x40/0x40 [ 454.694013] ? __run_timers+0x7da/0xc70 [ 454.697982] ? _raw_spin_unlock_irq+0x27/0x80 [ 454.702467] ? _raw_spin_unlock_irq+0x27/0x80 [ 454.706953] ? br_multicast_del_pg+0x790/0x790 [ 454.711614] ? lockdep_hardirqs_on+0x296/0x5b0 [ 454.716191] ? trace_hardirqs_on+0xbd/0x310 [ 454.720506] ? kasan_check_read+0x11/0x20 [ 454.724646] ? __run_timers+0x7da/0xc70 [ 454.728616] ? trace_hardirqs_off_caller+0x310/0x310 [ 454.733744] ? br_multicast_del_pg+0x790/0x790 [ 454.738352] ? br_multicast_del_pg+0x790/0x790 [ 454.742922] __run_timers+0x7e5/0xc70 [ 454.746724] ? timer_fixup_init+0x70/0x70 [ 454.750863] ? _raw_spin_unlock_irq+0x27/0x80 [ 454.755351] ? _raw_spin_unlock_irq+0x27/0x80 [ 454.760143] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 454.764717] ? trace_hardirqs_on+0xbd/0x310 [ 454.769043] ? kasan_check_read+0x11/0x20 [ 454.773202] ? finish_task_switch+0x1f4/0x910 [ 454.777700] ? trace_hardirqs_off_caller+0x310/0x310 [ 454.782799] ? compat_start_thread+0x80/0x80 [ 454.787220] ? pvclock_read_flags+0x160/0x160 [ 454.791709] ? __switch_to_asm+0x34/0x70 [ 454.795762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.801294] ? check_preemption_disabled+0x48/0x280 [ 454.806312] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 454.811843] ? rcu_pm_notify+0xc0/0xc0 [ 454.815726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.821260] ? check_preemption_disabled+0x48/0x280 [ 454.826272] run_timer_softirq+0x52/0xb0 [ 454.830327] ? rcu_read_lock_sched_held+0x14f/0x180 [ 454.835335] __do_softirq+0x308/0xb7e [ 454.839133] ? trace_hardirqs_on_caller+0xc0/0x310 [ 454.844062] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 454.849159] ? trace_hardirqs_on+0x310/0x310 [ 454.853566] ? schedule+0x108/0x460 [ 454.857469] ? trace_hardirqs_off+0xb8/0x310 [ 454.861871] ? smpboot_thread_fn+0x68b/0xa00 [ 454.866273] ? trace_hardirqs_on+0x310/0x310 [ 454.870687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.876217] ? check_preemption_disabled+0x48/0x280 [ 454.881226] ? takeover_tasklets+0xa90/0xa90 [ 454.885636] run_ksoftirqd+0x5e/0x100 [ 454.889436] smpboot_thread_fn+0x68b/0xa00 [ 454.893671] ? sort_range+0x30/0x30 [ 454.897297] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 454.902393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.907944] ? __kthread_parkme+0xfb/0x1a0 [ 454.912177] ? sort_range+0x30/0x30 [ 454.915798] kthread+0x35a/0x440 [ 454.919162] ? kthread_stop+0x900/0x900 [ 454.923127] ret_from_fork+0x3a/0x50 [ 454.926848] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 454.926997] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 454.933781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 454.944067] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 454.953397] Call Trace: [ 454.960946] [ 454.963094] dump_stack+0x244/0x39d [ 454.966715] ? dump_stack_print_info.cold.1+0x20/0x20 [ 454.971913] warn_alloc.cold.116+0xb7/0x1bd [ 454.976244] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 454.981085] ? lock_downgrade+0x900/0x900 [ 454.985230] ? trace_hardirqs_off+0xb8/0x310 [ 454.989640] ? trace_hardirqs_off+0xb8/0x310 [ 454.994054] __alloc_pages_slowpath+0x26e8/0x2e10 [ 454.998922] ? warn_alloc+0x120/0x120 [ 455.002716] ? print_usage_bug+0xc0/0xc0 [ 455.006770] ? warn_alloc+0x120/0x120 [ 455.010587] ? warn_alloc+0x120/0x120 [ 455.014374] ? print_usage_bug+0xc0/0xc0 [ 455.018427] ? kvm_clock_read+0x18/0x30 [ 455.022393] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 455.027498] ? print_usage_bug+0xc0/0xc0 [ 455.031563] ? __lock_acquire+0x62f/0x4c20 [ 455.035809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.041354] ? should_fail+0x22d/0xd01 [ 455.045232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.050506] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.055610] ? __lock_acquire+0x62f/0x4c20 [ 455.060626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.065746] ? __lock_acquire+0x62f/0x4c20 [ 455.069992] ? should_fail+0x22d/0xd01 [ 455.073870] ? rcu_irq_exit+0x1a2/0x390 [ 455.077846] ? mark_held_locks+0x130/0x130 [ 455.082077] ? mark_held_locks+0x130/0x130 [ 455.086304] ? mark_held_locks+0xc7/0x130 [ 455.090463] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 455.095473] ? zap_class+0x640/0x640 [ 455.099183] ? print_usage_bug+0xc0/0xc0 [ 455.103238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.108769] ? check_preemption_disabled+0x48/0x280 [ 455.113786] ? __lock_is_held+0xb5/0x140 [ 455.117857] __alloc_pages_nodemask+0xa80/0xde0 [ 455.122516] ? zap_class+0x640/0x640 [ 455.126229] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 455.131251] ? find_held_lock+0x36/0x1c0 [ 455.135317] ? ____cache_alloc_node+0x1c7/0x1e0 [ 455.139979] ? lock_downgrade+0x900/0x900 [ 455.144131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.149674] cache_grow_begin+0xa5/0x8c0 [ 455.153743] ? do_raw_spin_unlock+0xa7/0x330 [ 455.159130] fallback_alloc+0x204/0x2e0 [ 455.163129] ____cache_alloc_node+0x1c7/0x1e0 [ 455.167628] kmem_cache_alloc_node+0xe3/0x730 [ 455.172119] ? ipv6_get_ifaddr+0x42e/0x620 [ 455.176356] __alloc_skb+0x119/0x770 [ 455.180064] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.185336] ? netdev_alloc_frag+0x1f0/0x1f0 [ 455.189740] ? lock_downgrade+0x900/0x900 [ 455.193888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.199420] ? refcount_sub_and_test_checked+0x203/0x310 [ 455.204866] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 455.210309] ? addrconf_rs_timer+0x690/0x690 [ 455.214721] ndisc_alloc_skb+0x144/0x340 [ 455.218790] ndisc_send_rs+0x331/0x6e0 [ 455.222674] addrconf_rs_timer+0x314/0x690 [ 455.226907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 455.231140] call_timer_fn+0x272/0x920 [ 455.235024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 455.239267] ? process_timeout+0x40/0x40 [ 455.243327] ? mark_held_locks+0xc7/0x130 [ 455.247468] ? _raw_spin_unlock_irq+0x27/0x80 [ 455.251964] ? _raw_spin_unlock_irq+0x27/0x80 [ 455.256725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 455.260953] ? lockdep_hardirqs_on+0x296/0x5b0 [ 455.265535] ? trace_hardirqs_on+0xbd/0x310 [ 455.269845] ? kasan_check_read+0x11/0x20 [ 455.273980] ? __run_timers+0x7da/0xc70 [ 455.278054] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.283165] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 455.287393] __run_timers+0x7e5/0xc70 [ 455.291197] ? timer_fixup_init+0x70/0x70 [ 455.295341] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 455.300351] ? zap_class+0x640/0x640 [ 455.304062] ? print_usage_bug+0xc0/0xc0 [ 455.308125] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 455.313317] ? find_held_lock+0x36/0x1c0 [ 455.317374] ? zap_class+0x640/0x640 [ 455.321084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.326615] ? check_preemption_disabled+0x48/0x280 [ 455.331645] ? __lock_is_held+0xb5/0x140 [ 455.335704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.341236] ? check_preemption_disabled+0x48/0x280 [ 455.346253] run_timer_softirq+0x52/0xb0 [ 455.350312] ? rcu_read_lock_sched_held+0x14f/0x180 [ 455.355319] __do_softirq+0x308/0xb7e [ 455.360069] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 455.364568] ? lock_downgrade+0x900/0x900 [ 455.368802] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 455.373906] ? pvclock_read_flags+0x160/0x160 [ 455.378402] ? lapic_next_event+0x5a/0x90 [ 455.382546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.388081] ? kvm_clock_read+0x18/0x30 [ 455.392051] ? kvm_sched_clock_read+0x9/0x20 [ 455.396454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.401990] ? check_preemption_disabled+0x48/0x280 [ 455.407008] irq_exit+0x17f/0x1c0 [ 455.410455] smp_apic_timer_interrupt+0x1cb/0x760 [ 455.415299] ? smp_reschedule_interrupt+0x109/0x650 [ 455.420309] ? smp_call_function_single_interrupt+0x650/0x650 [ 455.426200] ? interrupt_entry+0xb5/0xc0 [ 455.430252] ? trace_hardirqs_off_caller+0xbb/0x310 [ 455.435257] ? trace_hardirqs_off_caller+0xbb/0x310 [ 455.440265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.445100] ? trace_hardirqs_on_caller+0x310/0x310 [ 455.450109] ? trace_hardirqs_on_caller+0x310/0x310 [ 455.455116] ? task_prio+0x50/0x50 [ 455.459629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.465160] ? check_preemption_disabled+0x48/0x280 [ 455.470169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.475008] apic_timer_interrupt+0xf/0x20 [ 455.479228] [ 455.481460] RIP: 0010:dump_stack+0x358/0x39d [ 455.485862] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 455.504753] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 455.512465] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 455.519721] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 455.526979] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 455.534237] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 455.541498] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 455.548775] ? dump_stack+0x34f/0x39d [ 455.552580] ? dump_stack_print_info.cold.1+0x20/0x20 [ 455.558279] ? mark_held_locks+0x130/0x130 [ 455.562504] ? mark_held_locks+0x130/0x130 [ 455.566737] dump_header+0x27b/0xf72 [ 455.570456] ? pagefault_out_of_memory+0x197/0x197 [ 455.575381] ? __lock_acquire+0x62f/0x4c20 [ 455.579611] ? percpu_ref_get_many+0x240/0x240 [ 455.584191] ? print_usage_bug+0xc0/0xc0 [ 455.588264] ? zap_class+0x640/0x640 [ 455.591980] ? print_usage_bug+0xc0/0xc0 [ 455.596036] ? print_usage_bug+0xc0/0xc0 [ 455.600092] ? zap_class+0x640/0x640 [ 455.603802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.609336] ? find_held_lock+0x36/0x1c0 [ 455.613410] ? mark_held_locks+0xc7/0x130 [ 455.617552] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.622642] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.627747] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 455.632324] ? trace_hardirqs_on+0xbd/0x310 [ 455.636754] ? kasan_check_read+0x11/0x20 [ 455.640896] ? ___ratelimit+0x3b4/0x672 [ 455.644865] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.649972] ? trace_hardirqs_on+0x310/0x310 [ 455.654376] ? lock_downgrade+0x900/0x900 [ 455.659452] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 455.664554] ? ___ratelimit+0x3b9/0x672 [ 455.668524] ? idr_get_free+0xf70/0xf70 [ 455.672489] ? find_held_lock+0x36/0x1c0 [ 455.676549] oom_kill_process.cold.27+0x10/0x903 [ 455.681299] ? zap_class+0x640/0x640 [ 455.685008] ? check_preemption_disabled+0x48/0x280 [ 455.690018] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 455.694937] ? kasan_check_read+0x11/0x20 [ 455.699077] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.704341] ? oom_evaluate_task+0x540/0x540 [ 455.708742] ? find_held_lock+0x36/0x1c0 [ 455.712802] ? out_of_memory+0x974/0x1430 [ 455.716947] ? lock_downgrade+0x900/0x900 [ 455.721085] ? check_preemption_disabled+0x48/0x280 [ 455.726103] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 455.731024] ? kasan_check_read+0x11/0x20 [ 455.735160] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.740427] ? rcu_softirq_qs+0x20/0x20 [ 455.744399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.749922] ? oom_evaluate_task+0x302/0x540 [ 455.754324] out_of_memory+0xa84/0x1430 [ 455.759344] ? oom_killer_disable+0x3a0/0x3a0 [ 455.763837] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 455.768763] ? __ww_mutex_check_waiters+0x160/0x160 [ 455.773784] __alloc_pages_slowpath+0x2354/0x2e10 [ 455.778648] ? warn_alloc+0x120/0x120 [ 455.782435] ? mark_held_locks+0x130/0x130 [ 455.786663] ? find_get_entry+0xaae/0x1120 [ 455.790898] ? filemap_map_pages+0x1a20/0x1a20 [ 455.795477] ? zap_class+0x640/0x640 [ 455.799189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.804721] ? check_preemption_disabled+0x48/0x280 [ 455.809740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.815282] ? should_fail+0x22d/0xd01 [ 455.819168] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.824269] ? zap_class+0x640/0x640 [ 455.828000] ? __lock_is_held+0xb5/0x140 [ 455.832063] ? mark_held_locks+0x130/0x130 [ 455.836290] ? lock_release+0xa00/0xa00 [ 455.840254] ? perf_trace_sched_process_exec+0x860/0x860 [ 455.845692] ? xa_load+0x2ba/0x460 [ 455.849226] ? lock_downgrade+0x900/0x900 [ 455.853373] ? __might_sleep+0x95/0x190 [ 455.858308] __alloc_pages_nodemask+0xa80/0xde0 [ 455.862975] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 455.867988] ? __page_cache_alloc+0x191/0x5c0 [ 455.872473] ? xa_load+0x2e1/0x460 [ 455.876009] ? xa_clear_mark+0x40/0x40 [ 455.879890] ? zap_class+0x640/0x640 [ 455.883608] ? zap_class+0x640/0x640 [ 455.887314] ? zap_class+0x640/0x640 [ 455.891019] ? __do_page_cache_readahead+0x663/0x810 [ 455.896205] ? find_held_lock+0x36/0x1c0 [ 455.900263] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 455.905793] alloc_pages_current+0x173/0x350 [ 455.910194] __page_cache_alloc+0x38c/0x5c0 [ 455.914504] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 455.919425] ? kasan_check_read+0x11/0x20 [ 455.923564] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.929351] ? generic_perform_write+0x6a0/0x6a0 [ 455.934104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.939644] ? check_preemption_disabled+0x48/0x280 [ 455.944661] filemap_fault+0x1595/0x25f0 [ 455.948727] ? __lock_page_or_retry+0xa00/0xa00 [ 455.953396] ? mark_held_locks+0x130/0x130 [ 455.958082] ? filemap_map_pages+0xd6b/0x1a20 [ 455.962576] ? lock_downgrade+0x900/0x900 [ 455.966721] ? check_preemption_disabled+0x48/0x280 [ 455.971731] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 455.976657] ? kasan_check_read+0x11/0x20 [ 455.980797] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.986066] ? rcu_softirq_qs+0x20/0x20 [ 455.990042] ? filemap_map_pages+0xd92/0x1a20 [ 455.994538] ? find_get_entries_tag+0x1400/0x1400 [ 455.999378] ? debug_object_destroy+0x2b0/0x2b0 [ 456.004041] ? lock_pi_update_atomic+0x150/0x150 [ 456.008787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.014325] ? lock_acquire+0x1ed/0x520 [ 456.018287] ? ext4_filemap_fault+0x7a/0xad [ 456.022610] ? lock_release+0xa00/0xa00 [ 456.026574] ? perf_trace_sched_process_exec+0x860/0x860 [ 456.032028] ? print_usage_bug+0xc0/0xc0 [ 456.036080] ? print_usage_bug+0xc0/0xc0 [ 456.040149] ? down_read+0x8d/0x120 [ 456.043766] ? ext4_filemap_fault+0x7a/0xad [ 456.048090] ? __down_interruptible+0x700/0x700 [ 456.052780] ext4_filemap_fault+0x82/0xad [ 456.057463] __do_fault+0x100/0x6b0 [ 456.061088] ? pmd_devmap_trans_unstable+0x220/0x220 [ 456.066191] ? mark_held_locks+0x130/0x130 [ 456.070423] ? mark_held_locks+0x130/0x130 [ 456.074648] ? do_raw_spin_trylock+0x270/0x270 [ 456.079229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.084772] __handle_mm_fault+0x3ea0/0x5be0 [ 456.089173] ? perf_trace_lock+0x7a0/0x7a0 [ 456.093409] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 456.098267] ? __switch_to_asm+0x34/0x70 [ 456.102318] ? __switch_to_asm+0x34/0x70 [ 456.106396] ? zap_class+0x640/0x640 [ 456.110105] ? zap_class+0x640/0x640 [ 456.113814] ? __x64_sys_futex+0x53e/0x6a0 [ 456.118060] ? find_held_lock+0x36/0x1c0 [ 456.122129] ? handle_mm_fault+0x42a/0xc70 [ 456.126358] ? lock_downgrade+0x900/0x900 [ 456.130518] ? check_preemption_disabled+0x48/0x280 [ 456.135529] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 456.140455] ? kasan_check_read+0x11/0x20 [ 456.144598] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 456.149865] ? rcu_softirq_qs+0x20/0x20 [ 456.153832] ? trace_hardirqs_off_caller+0x310/0x310 [ 456.159187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.164739] ? check_preemption_disabled+0x48/0x280 [ 456.169757] handle_mm_fault+0x54f/0xc70 [ 456.173819] ? __handle_mm_fault+0x5be0/0x5be0 [ 456.178399] ? find_vma+0x34/0x190 [ 456.181939] __do_page_fault+0x5e8/0xe60 [ 456.185993] ? trace_hardirqs_off+0xb8/0x310 [ 456.190407] do_page_fault+0xf2/0x7e0 [ 456.194206] ? vmalloc_sync_all+0x30/0x30 [ 456.198348] ? error_entry+0x70/0xd0 [ 456.202053] ? trace_hardirqs_off_caller+0xbb/0x310 [ 456.207062] ? trace_hardirqs_on_caller+0xc0/0x310 [ 456.211990] ? syscall_return_slowpath+0x5e0/0x5e0 [ 456.216912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.221748] ? trace_hardirqs_on_caller+0x310/0x310 [ 456.226755] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 456.232204] ? prepare_exit_to_usermode+0x291/0x3b0 [ 456.237210] ? page_fault+0x8/0x30 [ 456.240743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.245585] ? page_fault+0x8/0x30 [ 456.249121] page_fault+0x1e/0x30 [ 456.252587] RIP: 0033:0x45ddf3 [ 456.256132] Code: Bad RIP value. [ 456.259487] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 456.264843] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 456.272106] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 456.279363] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 456.286623] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 456.293884] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 456.301159] warn_alloc_show_mem: 1 callbacks suppressed [ 456.301168] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 456.301169] Mem-Info: [ 456.301197] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 456.301197] active_file:12 inactive_file:13 isolated_file:0 [ 456.301197] unevictable:0 dirty:0 writeback:0 unstable:0 [ 456.301197] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 456.301197] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 456.301197] free:13705 free_pcp:178 free_cma:0 [ 456.306522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 456.306528] Call Trace: [ 456.313278] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 456.315672] dump_stack+0x244/0x39d [ 456.348515] Node 0 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 [ 456.358219] ? dump_stack_print_info.cold.1+0x20/0x20 [ 456.360860] lowmem_reserve[]: 0 2818 6321 6321 [ 456.388525] warn_alloc.cold.116+0xb7/0x1bd [ 456.392113] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 456.418212] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 456.423365] lowmem_reserve[]: 0 0 3503 3503 [ 456.427942] ? lock_downgrade+0x900/0x900 [ 456.432236] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 456.460048] ? trace_hardirqs_off+0xb8/0x310 [ 456.464858] lowmem_reserve[]: 0 0 0 0 [ 456.469173] ? trace_hardirqs_off+0xb8/0x310 [ 456.473290] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 456.502255] __alloc_pages_slowpath+0x26e8/0x2e10 [ 456.506644] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 456.510451] ? warn_alloc+0x120/0x120 [ 456.514803] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 456.528327] ? warn_alloc+0x120/0x120 [ 456.533140] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 456.548377] ? warn_alloc+0x120/0x120 [ 456.552155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 456.566725] ? trace_hardirqs_off+0xb8/0x310 [ 456.566742] ? print_usage_bug+0xc0/0xc0 [ 456.570526] 366 total pagecache pages [ 456.579354] ? print_usage_bug+0xc0/0xc0 [ 456.583126] 0 pages in swap cache [ 456.591684] ? __lock_acquire+0x62f/0x4c20 [ 456.596069] Swap cache stats: add 0, delete 0, find 0/0 [ 456.600108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.603876] Free swap = 0kB [ 456.607925] ? should_fail+0x22d/0xd01 [ 456.611345] Total swap = 0kB [ 456.615578] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.620904] 1965979 pages RAM [ 456.626423] ? __lock_acquire+0x62f/0x4c20 [ 456.629410] 0 pages HighMem/MovableOnly [ 456.633279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.636266] 342854 pages reserved [ 456.641350] ? __lock_acquire+0x62f/0x4c20 [ 456.644424] 0 pages cma reserved [ 456.648639] ? should_fail+0x22d/0xd01 [ 456.652638] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 456.657936] ? mark_held_locks+0x130/0x130 [ 456.661435] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 456.665586] ? mark_held_locks+0x130/0x130 [ 456.668934] syz-fuzzer cpuset=/ mems_allowed=0 [ 456.672814] ? zap_class+0x640/0x640 [ 456.706167] ? ret_from_fork+0x3a/0x50 [ 456.710043] ? __lock_acquire+0x62f/0x4c20 [ 456.714275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.719804] ? check_preemption_disabled+0x48/0x280 [ 456.724818] ? __lock_is_held+0xb5/0x140 [ 456.728874] __alloc_pages_nodemask+0xa80/0xde0 [ 456.733536] ? zap_class+0x640/0x640 [ 456.737257] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 456.742285] ? find_held_lock+0x36/0x1c0 [ 456.746359] ? ____cache_alloc_node+0x1c7/0x1e0 [ 456.751038] ? lock_downgrade+0x900/0x900 [ 456.755189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.761059] cache_grow_begin+0xa5/0x8c0 [ 456.765109] ? do_raw_spin_unlock+0xa7/0x330 [ 456.769516] fallback_alloc+0x204/0x2e0 [ 456.773496] ____cache_alloc_node+0x1c7/0x1e0 [ 456.777986] kmem_cache_alloc_node+0xe3/0x730 [ 456.782477] ? mark_held_locks+0xc7/0x130 [ 456.786627] __alloc_skb+0x119/0x770 [ 456.790336] ? netdev_alloc_frag+0x1f0/0x1f0 [ 456.794732] ? do_raw_spin_trylock+0x270/0x270 [ 456.799308] ? kmem_cache_alloc_trace+0x353/0x750 [ 456.804164] ? queue_work_on+0x12c/0x1e0 [ 456.808221] ? switchdev_port_obj_del+0xdc/0x440 [ 456.812971] ? switchdev_trans_item_enqueue+0x260/0x260 [ 456.818333] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 456.823347] __br_mdb_notify+0x4ff/0x15d0 [ 456.827489] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 456.832607] ? __br_mdb_add+0x7f0/0x7f0 [ 456.836590] ? mark_held_locks+0x130/0x130 [ 456.840823] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 456.845944] ? debug_object_assert_init+0x368/0x4b0 [ 456.850952] ? debug_object_init_on_stack+0x20/0x20 [ 456.856271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.861812] br_mdb_notify+0x310/0x410 [ 456.865698] ? br_mdb_dump+0x27b0/0x27b0 [ 456.869764] br_multicast_del_pg+0x3df/0x790 [ 456.874173] ? br_mdb_ip_get+0x940/0x940 [ 456.878230] ? rwlock_bug.part.2+0x90/0x90 [ 456.882463] ? __lock_is_held+0xb5/0x140 [ 456.886536] br_multicast_port_group_expired+0x189/0x1e0 [ 456.891985] call_timer_fn+0x272/0x920 [ 456.895870] ? br_multicast_del_pg+0x790/0x790 [ 456.900446] ? process_timeout+0x40/0x40 [ 456.904611] ? __run_timers+0x7da/0xc70 [ 456.908585] ? _raw_spin_unlock_irq+0x27/0x80 [ 456.913087] ? _raw_spin_unlock_irq+0x27/0x80 [ 456.917576] ? br_multicast_del_pg+0x790/0x790 [ 456.922153] ? lockdep_hardirqs_on+0x296/0x5b0 [ 456.926731] ? trace_hardirqs_on+0xbd/0x310 [ 456.931048] ? kasan_check_read+0x11/0x20 [ 456.935185] ? __run_timers+0x7da/0xc70 [ 456.939157] ? trace_hardirqs_off_caller+0x310/0x310 [ 456.944263] ? br_multicast_del_pg+0x790/0x790 [ 456.948843] ? br_multicast_del_pg+0x790/0x790 [ 456.953416] __run_timers+0x7e5/0xc70 [ 456.957512] ? timer_fixup_init+0x70/0x70 [ 456.961659] ? _raw_spin_unlock_irq+0x27/0x80 [ 456.966145] ? _raw_spin_unlock_irq+0x27/0x80 [ 456.970633] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 456.975210] ? trace_hardirqs_on+0xbd/0x310 [ 456.979532] ? kasan_check_read+0x11/0x20 [ 456.983685] ? finish_task_switch+0x1f4/0x910 [ 456.988186] ? trace_hardirqs_off_caller+0x310/0x310 [ 456.993277] ? compat_start_thread+0x80/0x80 [ 456.997691] ? pvclock_read_flags+0x160/0x160 [ 457.002174] ? __switch_to_asm+0x34/0x70 [ 457.006226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.011755] ? check_preemption_disabled+0x48/0x280 [ 457.016863] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 457.022389] ? rcu_pm_notify+0xc0/0xc0 [ 457.026266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.031796] ? check_preemption_disabled+0x48/0x280 [ 457.036805] run_timer_softirq+0x52/0xb0 [ 457.040855] ? rcu_read_lock_sched_held+0x14f/0x180 [ 457.045859] __do_softirq+0x308/0xb7e [ 457.049652] ? trace_hardirqs_on_caller+0xc0/0x310 [ 457.054583] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 457.060018] ? trace_hardirqs_on+0x310/0x310 [ 457.064423] ? schedule+0x108/0x460 [ 457.068051] ? trace_hardirqs_off+0xb8/0x310 [ 457.072455] ? smpboot_thread_fn+0x68b/0xa00 [ 457.076860] ? trace_hardirqs_on+0x310/0x310 [ 457.081263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.086803] ? check_preemption_disabled+0x48/0x280 [ 457.091811] ? takeover_tasklets+0xa90/0xa90 [ 457.096223] run_ksoftirqd+0x5e/0x100 [ 457.100013] smpboot_thread_fn+0x68b/0xa00 [ 457.104236] ? sort_range+0x30/0x30 [ 457.107850] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 457.112943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.118467] ? __kthread_parkme+0xfb/0x1a0 [ 457.122696] ? sort_range+0x30/0x30 [ 457.126310] kthread+0x35a/0x440 [ 457.129663] ? kthread_stop+0x900/0x900 [ 457.133627] ret_from_fork+0x3a/0x50 [ 457.137347] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 457.137478] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 457.144268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 457.154552] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 457.164525] Call Trace: [ 457.171772] [ 457.173919] dump_stack+0x244/0x39d [ 457.177547] ? dump_stack_print_info.cold.1+0x20/0x20 [ 457.182743] warn_alloc.cold.116+0xb7/0x1bd [ 457.187057] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 457.191896] ? lock_downgrade+0x900/0x900 [ 457.196045] ? trace_hardirqs_off+0xb8/0x310 [ 457.200453] ? trace_hardirqs_off+0xb8/0x310 [ 457.204861] __alloc_pages_slowpath+0x26e8/0x2e10 [ 457.209720] ? warn_alloc+0x120/0x120 [ 457.213521] ? print_usage_bug+0xc0/0xc0 [ 457.217575] ? warn_alloc+0x120/0x120 [ 457.221369] ? warn_alloc+0x120/0x120 [ 457.225163] ? print_usage_bug+0xc0/0xc0 [ 457.229213] ? kvm_clock_read+0x18/0x30 [ 457.233185] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 457.238198] ? print_usage_bug+0xc0/0xc0 [ 457.242255] ? __lock_acquire+0x62f/0x4c20 [ 457.246487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.252021] ? should_fail+0x22d/0xd01 [ 457.256539] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 457.261810] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 457.266906] ? __lock_acquire+0x62f/0x4c20 [ 457.271134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 457.276225] ? __lock_acquire+0x62f/0x4c20 [ 457.280577] ? should_fail+0x22d/0xd01 [ 457.284454] ? rcu_irq_exit+0x1a2/0x390 [ 457.288432] ? mark_held_locks+0x130/0x130 [ 457.292663] ? mark_held_locks+0x130/0x130 [ 457.296892] ? mark_held_locks+0xc7/0x130 [ 457.301038] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 457.306046] ? zap_class+0x640/0x640 [ 457.309752] ? print_usage_bug+0xc0/0xc0 [ 457.313807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.319332] ? check_preemption_disabled+0x48/0x280 [ 457.324346] ? __lock_is_held+0xb5/0x140 [ 457.328407] __alloc_pages_nodemask+0xa80/0xde0 [ 457.333065] ? zap_class+0x640/0x640 [ 457.336771] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 457.341798] ? find_held_lock+0x36/0x1c0 [ 457.345860] ? ____cache_alloc_node+0x1c7/0x1e0 [ 457.350531] ? lock_downgrade+0x900/0x900 [ 457.354676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.360978] cache_grow_begin+0xa5/0x8c0 [ 457.365031] ? do_raw_spin_unlock+0xa7/0x330 [ 457.369433] fallback_alloc+0x204/0x2e0 [ 457.373423] ____cache_alloc_node+0x1c7/0x1e0 [ 457.377915] kmem_cache_alloc_node+0xe3/0x730 [ 457.382403] ? ipv6_get_ifaddr+0x42e/0x620 [ 457.386639] __alloc_skb+0x119/0x770 [ 457.390344] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 457.395617] ? netdev_alloc_frag+0x1f0/0x1f0 [ 457.400025] ? lock_downgrade+0x900/0x900 [ 457.404175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.409708] ? refcount_sub_and_test_checked+0x203/0x310 [ 457.415156] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 457.420598] ? addrconf_rs_timer+0x690/0x690 [ 457.425025] ndisc_alloc_skb+0x144/0x340 [ 457.429083] ndisc_send_rs+0x331/0x6e0 [ 457.432968] addrconf_rs_timer+0x314/0x690 [ 457.437200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.441439] call_timer_fn+0x272/0x920 [ 457.445317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.449542] ? process_timeout+0x40/0x40 [ 457.453604] ? mark_held_locks+0xc7/0x130 [ 457.458539] ? _raw_spin_unlock_irq+0x27/0x80 [ 457.463027] ? _raw_spin_unlock_irq+0x27/0x80 [ 457.467513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.471735] ? lockdep_hardirqs_on+0x296/0x5b0 [ 457.476306] ? trace_hardirqs_on+0xbd/0x310 [ 457.480627] ? kasan_check_read+0x11/0x20 [ 457.484763] ? __run_timers+0x7da/0xc70 [ 457.488733] ? trace_hardirqs_off_caller+0x310/0x310 [ 457.493842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.498070] __run_timers+0x7e5/0xc70 [ 457.501881] ? timer_fixup_init+0x70/0x70 [ 457.506040] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 457.511044] ? zap_class+0x640/0x640 [ 457.514750] ? print_usage_bug+0xc0/0xc0 [ 457.518801] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 457.523989] ? find_held_lock+0x36/0x1c0 [ 457.528052] ? zap_class+0x640/0x640 [ 457.531765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.537383] ? check_preemption_disabled+0x48/0x280 [ 457.542406] ? __lock_is_held+0xb5/0x140 [ 457.546467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.552009] ? check_preemption_disabled+0x48/0x280 [ 457.557536] run_timer_softirq+0x52/0xb0 [ 457.561591] ? rcu_read_lock_sched_held+0x14f/0x180 [ 457.566600] __do_softirq+0x308/0xb7e [ 457.570396] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 457.574880] ? lock_downgrade+0x900/0x900 [ 457.579032] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 457.584145] ? pvclock_read_flags+0x160/0x160 [ 457.588636] ? lapic_next_event+0x5a/0x90 [ 457.592857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.598391] ? kvm_clock_read+0x18/0x30 [ 457.602358] ? kvm_sched_clock_read+0x9/0x20 [ 457.606758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.612285] ? check_preemption_disabled+0x48/0x280 [ 457.617301] irq_exit+0x17f/0x1c0 [ 457.620749] smp_apic_timer_interrupt+0x1cb/0x760 [ 457.625585] ? smp_reschedule_interrupt+0x109/0x650 [ 457.630606] ? smp_call_function_single_interrupt+0x650/0x650 [ 457.636488] ? interrupt_entry+0xb5/0xc0 [ 457.640547] ? trace_hardirqs_off_caller+0xbb/0x310 [ 457.645556] ? trace_hardirqs_off_caller+0xbb/0x310 [ 457.650567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.655400] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.661213] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.666222] ? task_prio+0x50/0x50 [ 457.669758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.675291] ? check_preemption_disabled+0x48/0x280 [ 457.680305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.685148] apic_timer_interrupt+0xf/0x20 [ 457.689367] [ 457.691597] RIP: 0010:dump_stack+0x358/0x39d [ 457.696002] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 457.714894] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 457.722597] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 457.729854] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 457.737158] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 457.744413] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 457.751669] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 457.760147] ? dump_stack+0x34f/0x39d [ 457.763958] ? dump_stack_print_info.cold.1+0x20/0x20 [ 457.769159] ? mark_held_locks+0x130/0x130 [ 457.773404] ? mark_held_locks+0x130/0x130 [ 457.777641] dump_header+0x27b/0xf72 [ 457.781358] ? pagefault_out_of_memory+0x197/0x197 [ 457.786307] ? __lock_acquire+0x62f/0x4c20 [ 457.790539] ? percpu_ref_get_many+0x240/0x240 [ 457.795120] ? print_usage_bug+0xc0/0xc0 [ 457.799177] ? zap_class+0x640/0x640 [ 457.802885] ? print_usage_bug+0xc0/0xc0 [ 457.806934] ? print_usage_bug+0xc0/0xc0 [ 457.810984] ? zap_class+0x640/0x640 [ 457.814699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.820235] ? find_held_lock+0x36/0x1c0 [ 457.824299] ? mark_held_locks+0xc7/0x130 [ 457.828442] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 457.833545] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 457.838640] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 457.843232] ? trace_hardirqs_on+0xbd/0x310 [ 457.847547] ? kasan_check_read+0x11/0x20 [ 457.851687] ? ___ratelimit+0x3b4/0x672 [ 457.856022] ? trace_hardirqs_off_caller+0x310/0x310 [ 457.861116] ? trace_hardirqs_on+0x310/0x310 [ 457.865522] ? lock_downgrade+0x900/0x900 [ 457.869663] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 457.874754] ? ___ratelimit+0x3b9/0x672 [ 457.878727] ? idr_get_free+0xf70/0xf70 [ 457.882696] ? find_held_lock+0x36/0x1c0 [ 457.886757] oom_kill_process.cold.27+0x10/0x903 [ 457.891502] ? zap_class+0x640/0x640 [ 457.895208] ? check_preemption_disabled+0x48/0x280 [ 457.900229] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 457.905166] ? kasan_check_read+0x11/0x20 [ 457.909304] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 457.914573] ? oom_evaluate_task+0x540/0x540 [ 457.918983] ? find_held_lock+0x36/0x1c0 [ 457.923041] ? out_of_memory+0x974/0x1430 [ 457.927663] ? lock_downgrade+0x900/0x900 [ 457.931803] ? check_preemption_disabled+0x48/0x280 [ 457.936814] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 457.941736] ? kasan_check_read+0x11/0x20 [ 457.945872] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 457.951134] ? rcu_softirq_qs+0x20/0x20 [ 457.955100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.961143] ? oom_evaluate_task+0x302/0x540 [ 457.965541] out_of_memory+0xa84/0x1430 [ 457.969511] ? oom_killer_disable+0x3a0/0x3a0 [ 457.974002] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 457.978926] ? __ww_mutex_check_waiters+0x160/0x160 [ 457.983947] __alloc_pages_slowpath+0x2354/0x2e10 [ 457.988812] ? warn_alloc+0x120/0x120 [ 457.992603] ? mark_held_locks+0x130/0x130 [ 457.996834] ? find_get_entry+0xaae/0x1120 [ 458.001068] ? filemap_map_pages+0x1a20/0x1a20 [ 458.005658] ? zap_class+0x640/0x640 [ 458.009370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.014895] ? check_preemption_disabled+0x48/0x280 [ 458.019901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.025423] ? should_fail+0x22d/0xd01 [ 458.029301] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.034397] ? zap_class+0x640/0x640 [ 458.038126] ? __lock_is_held+0xb5/0x140 [ 458.042185] ? mark_held_locks+0x130/0x130 [ 458.046410] ? lock_release+0xa00/0xa00 [ 458.050372] ? perf_trace_sched_process_exec+0x860/0x860 [ 458.056761] ? xa_load+0x2ba/0x460 [ 458.060313] ? lock_downgrade+0x900/0x900 [ 458.064462] ? __might_sleep+0x95/0x190 [ 458.068432] __alloc_pages_nodemask+0xa80/0xde0 [ 458.073104] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 458.078114] ? __page_cache_alloc+0x191/0x5c0 [ 458.082601] ? xa_load+0x2e1/0x460 [ 458.086133] ? xa_clear_mark+0x40/0x40 [ 458.090010] ? zap_class+0x640/0x640 [ 458.093725] ? zap_class+0x640/0x640 [ 458.097442] ? zap_class+0x640/0x640 [ 458.101161] ? __do_page_cache_readahead+0x663/0x810 [ 458.106272] ? find_held_lock+0x36/0x1c0 [ 458.110347] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 458.115880] alloc_pages_current+0x173/0x350 [ 458.120299] __page_cache_alloc+0x38c/0x5c0 [ 458.124622] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 458.129541] ? kasan_check_read+0x11/0x20 [ 458.133681] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 458.138952] ? generic_perform_write+0x6a0/0x6a0 [ 458.143700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.149230] ? check_preemption_disabled+0x48/0x280 [ 458.154247] filemap_fault+0x1595/0x25f0 [ 458.159048] ? __lock_page_or_retry+0xa00/0xa00 [ 458.163717] ? mark_held_locks+0x130/0x130 [ 458.167955] ? filemap_map_pages+0xd6b/0x1a20 [ 458.172452] ? lock_downgrade+0x900/0x900 [ 458.176595] ? check_preemption_disabled+0x48/0x280 [ 458.181614] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 458.186534] ? kasan_check_read+0x11/0x20 [ 458.190678] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 458.195960] ? rcu_softirq_qs+0x20/0x20 [ 458.199943] ? filemap_map_pages+0xd92/0x1a20 [ 458.204622] ? find_get_entries_tag+0x1400/0x1400 [ 458.209466] ? debug_object_destroy+0x2b0/0x2b0 [ 458.214135] ? lock_pi_update_atomic+0x150/0x150 [ 458.218885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.224423] ? lock_acquire+0x1ed/0x520 [ 458.228396] ? ext4_filemap_fault+0x7a/0xad [ 458.232721] ? lock_release+0xa00/0xa00 [ 458.236686] ? perf_trace_sched_process_exec+0x860/0x860 [ 458.242218] ? print_usage_bug+0xc0/0xc0 [ 458.246278] ? print_usage_bug+0xc0/0xc0 [ 458.250344] ? down_read+0x8d/0x120 [ 458.253966] ? ext4_filemap_fault+0x7a/0xad [ 458.258785] ? __down_interruptible+0x700/0x700 [ 458.263465] ext4_filemap_fault+0x82/0xad [ 458.267608] __do_fault+0x100/0x6b0 [ 458.271238] ? pmd_devmap_trans_unstable+0x220/0x220 [ 458.276337] ? mark_held_locks+0x130/0x130 [ 458.280569] ? mark_held_locks+0x130/0x130 [ 458.284799] ? do_raw_spin_trylock+0x270/0x270 [ 458.289384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.294921] __handle_mm_fault+0x3ea0/0x5be0 [ 458.299324] ? perf_trace_lock+0x7a0/0x7a0 [ 458.303570] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 458.308412] ? __switch_to_asm+0x34/0x70 [ 458.312470] ? __switch_to_asm+0x34/0x70 [ 458.316537] ? zap_class+0x640/0x640 [ 458.320261] ? zap_class+0x640/0x640 [ 458.323971] ? __x64_sys_futex+0x53e/0x6a0 [ 458.328206] ? find_held_lock+0x36/0x1c0 [ 458.332266] ? handle_mm_fault+0x42a/0xc70 [ 458.336497] ? lock_downgrade+0x900/0x900 [ 458.340636] ? check_preemption_disabled+0x48/0x280 [ 458.345645] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 458.350571] ? kasan_check_read+0x11/0x20 [ 458.354710] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 458.360738] ? rcu_softirq_qs+0x20/0x20 [ 458.364710] ? trace_hardirqs_off_caller+0x310/0x310 [ 458.369805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.375335] ? check_preemption_disabled+0x48/0x280 [ 458.380351] handle_mm_fault+0x54f/0xc70 [ 458.384413] ? __handle_mm_fault+0x5be0/0x5be0 [ 458.388996] ? find_vma+0x34/0x190 [ 458.392550] __do_page_fault+0x5e8/0xe60 [ 458.396602] ? trace_hardirqs_off+0xb8/0x310 [ 458.401030] do_page_fault+0xf2/0x7e0 [ 458.404820] ? vmalloc_sync_all+0x30/0x30 [ 458.408965] ? error_entry+0x70/0xd0 [ 458.412673] ? trace_hardirqs_off_caller+0xbb/0x310 [ 458.417770] ? trace_hardirqs_on_caller+0xc0/0x310 [ 458.422697] ? syscall_return_slowpath+0x5e0/0x5e0 [ 458.427622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.432463] ? trace_hardirqs_on_caller+0x310/0x310 [ 458.437473] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 458.442921] ? prepare_exit_to_usermode+0x291/0x3b0 [ 458.447932] ? page_fault+0x8/0x30 [ 458.451493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.457090] ? page_fault+0x8/0x30 [ 458.460635] page_fault+0x1e/0x30 [ 458.464077] RIP: 0033:0x45ddf3 [ 458.467272] Code: Bad RIP value. [ 458.470624] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 458.475978] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 458.483249] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 458.490510] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 458.497771] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 458.505029] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 458.512308] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 458.512312] warn_alloc_show_mem: 1 callbacks suppressed [ 458.512317] Mem-Info: [ 458.519055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 458.524412] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 458.524412] active_file:12 inactive_file:13 isolated_file:0 [ 458.524412] unevictable:0 dirty:0 writeback:0 unstable:0 [ 458.524412] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 458.524412] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 458.524412] free:13705 free_pcp:178 free_cma:0 [ 458.526781] Call Trace: [ 458.536161] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 458.569364] dump_stack+0x244/0x39d [ 458.571932] Node 0 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 [ 458.599589] ? dump_stack_print_info.cold.1+0x20/0x20 [ 458.603188] lowmem_reserve[]: 0 2818 6321 6321 [ 458.629292] warn_alloc.cold.116+0xb7/0x1bd [ 458.634444] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 458.639013] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 458.643301] lowmem_reserve[]: 0 0 3503 3503 [ 458.671094] ? lock_downgrade+0x900/0x900 [ 458.675906] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 458.680222] ? trace_hardirqs_off+0xb8/0x310 [ 458.684334] lowmem_reserve[]: 0 0 0 0 [ 458.713297] ? trace_hardirqs_off+0xb8/0x310 [ 458.717670] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 458.721461] __alloc_pages_slowpath+0x26e8/0x2e10 [ 458.725834] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 458.739367] ? warn_alloc+0x120/0x120 [ 458.744155] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 458.760145] ? warn_alloc+0x120/0x120 [ 458.763918] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 458.778124] ? warn_alloc+0x120/0x120 [ 458.781899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 458.790708] ? trace_hardirqs_off+0xb8/0x310 [ 458.794477] 366 total pagecache pages [ 458.803036] ? print_usage_bug+0xc0/0xc0 [ 458.807422] 0 pages in swap cache [ 458.811203] ? print_usage_bug+0xc0/0xc0 [ 458.815230] Swap cache stats: add 0, delete 0, find 0/0 [ 458.818667] ? __lock_acquire+0x62f/0x4c20 [ 458.822711] Free swap = 0kB [ 458.828057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.832258] Total swap = 0kB [ 458.835268] ? should_fail+0x22d/0xd01 [ 458.840773] 1965979 pages RAM [ 458.843779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.847635] 0 pages HighMem/MovableOnly [ 458.850722] ? __lock_acquire+0x62f/0x4c20 [ 458.856423] 342854 pages reserved [ 458.856430] 0 pages cma reserved [ 458.860396] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.864656] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 458.868036] ? __lock_acquire+0x62f/0x4c20 [ 458.868050] ? should_fail+0x22d/0xd01 [ 458.871464] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 458.876484] ? mark_held_locks+0x130/0x130 [ 458.882945] syz-fuzzer cpuset=/ mems_allowed=0 [ 458.887169] ? mark_held_locks+0x130/0x130 [ 458.914229] ? zap_class+0x640/0x640 [ 458.917938] ? ret_from_fork+0x3a/0x50 [ 458.921817] ? __lock_acquire+0x62f/0x4c20 [ 458.926055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.931584] ? check_preemption_disabled+0x48/0x280 [ 458.936605] ? __lock_is_held+0xb5/0x140 [ 458.940661] __alloc_pages_nodemask+0xa80/0xde0 [ 458.945318] ? zap_class+0x640/0x640 [ 458.949026] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 458.954041] ? find_held_lock+0x36/0x1c0 [ 458.958423] ? ____cache_alloc_node+0x1c7/0x1e0 [ 458.963105] ? lock_downgrade+0x900/0x900 [ 458.967251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.972787] cache_grow_begin+0xa5/0x8c0 [ 458.976841] ? do_raw_spin_unlock+0xa7/0x330 [ 458.981250] fallback_alloc+0x204/0x2e0 [ 458.985223] ____cache_alloc_node+0x1c7/0x1e0 [ 458.989711] kmem_cache_alloc_node+0xe3/0x730 [ 458.994192] ? mark_held_locks+0xc7/0x130 [ 458.998338] __alloc_skb+0x119/0x770 [ 459.002047] ? netdev_alloc_frag+0x1f0/0x1f0 [ 459.006448] ? do_raw_spin_trylock+0x270/0x270 [ 459.011020] ? kmem_cache_alloc_trace+0x353/0x750 [ 459.015859] ? queue_work_on+0x12c/0x1e0 [ 459.019918] ? switchdev_port_obj_del+0xdc/0x440 [ 459.024664] ? switchdev_trans_item_enqueue+0x260/0x260 [ 459.030025] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 459.035040] __br_mdb_notify+0x4ff/0x15d0 [ 459.039177] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 459.044279] ? __br_mdb_add+0x7f0/0x7f0 [ 459.048249] ? mark_held_locks+0x130/0x130 [ 459.052482] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 459.057892] ? debug_object_assert_init+0x368/0x4b0 [ 459.062900] ? debug_object_init_on_stack+0x20/0x20 [ 459.067909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.073443] br_mdb_notify+0x310/0x410 [ 459.077325] ? br_mdb_dump+0x27b0/0x27b0 [ 459.081427] br_multicast_del_pg+0x3df/0x790 [ 459.085840] ? br_mdb_ip_get+0x940/0x940 [ 459.089890] ? rwlock_bug.part.2+0x90/0x90 [ 459.094120] ? __lock_is_held+0xb5/0x140 [ 459.098265] br_multicast_port_group_expired+0x189/0x1e0 [ 459.103711] call_timer_fn+0x272/0x920 [ 459.107592] ? br_multicast_del_pg+0x790/0x790 [ 459.112163] ? process_timeout+0x40/0x40 [ 459.116222] ? __run_timers+0x7da/0xc70 [ 459.120201] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.124687] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.129173] ? br_multicast_del_pg+0x790/0x790 [ 459.133748] ? lockdep_hardirqs_on+0x296/0x5b0 [ 459.138326] ? trace_hardirqs_on+0xbd/0x310 [ 459.142637] ? kasan_check_read+0x11/0x20 [ 459.146771] ? __run_timers+0x7da/0xc70 [ 459.150737] ? trace_hardirqs_off_caller+0x310/0x310 [ 459.156124] ? br_multicast_del_pg+0x790/0x790 [ 459.160698] ? br_multicast_del_pg+0x790/0x790 [ 459.165266] __run_timers+0x7e5/0xc70 [ 459.169066] ? timer_fixup_init+0x70/0x70 [ 459.173216] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.177706] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.182195] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 459.186774] ? trace_hardirqs_on+0xbd/0x310 [ 459.191087] ? kasan_check_read+0x11/0x20 [ 459.195228] ? finish_task_switch+0x1f4/0x910 [ 459.199715] ? trace_hardirqs_off_caller+0x310/0x310 [ 459.204809] ? compat_start_thread+0x80/0x80 [ 459.209234] ? pvclock_read_flags+0x160/0x160 [ 459.213721] ? __switch_to_asm+0x34/0x70 [ 459.217777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.223310] ? check_preemption_disabled+0x48/0x280 [ 459.228331] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 459.233878] ? rcu_pm_notify+0xc0/0xc0 [ 459.237757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.243286] ? check_preemption_disabled+0x48/0x280 [ 459.248304] run_timer_softirq+0x52/0xb0 [ 459.252360] ? rcu_read_lock_sched_held+0x14f/0x180 [ 459.257678] __do_softirq+0x308/0xb7e [ 459.261475] ? trace_hardirqs_on_caller+0xc0/0x310 [ 459.266404] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 459.271497] ? trace_hardirqs_on+0x310/0x310 [ 459.275904] ? schedule+0x108/0x460 [ 459.279532] ? trace_hardirqs_off+0xb8/0x310 [ 459.283935] ? smpboot_thread_fn+0x68b/0xa00 [ 459.288335] ? trace_hardirqs_on+0x310/0x310 [ 459.292738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.298268] ? check_preemption_disabled+0x48/0x280 [ 459.303279] ? takeover_tasklets+0xa90/0xa90 [ 459.307765] run_ksoftirqd+0x5e/0x100 [ 459.311556] smpboot_thread_fn+0x68b/0xa00 [ 459.315785] ? sort_range+0x30/0x30 [ 459.319408] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 459.324506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.330034] ? __kthread_parkme+0xfb/0x1a0 [ 459.334274] ? sort_range+0x30/0x30 [ 459.337892] kthread+0x35a/0x440 [ 459.341248] ? kthread_stop+0x900/0x900 [ 459.345211] ret_from_fork+0x3a/0x50 [ 459.348945] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 459.349073] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 459.356666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 459.366953] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 459.376286] Call Trace: [ 459.383493] [ 459.385636] dump_stack+0x244/0x39d [ 459.389261] ? dump_stack_print_info.cold.1+0x20/0x20 [ 459.394453] warn_alloc.cold.116+0xb7/0x1bd [ 459.398769] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 459.403617] ? lock_downgrade+0x900/0x900 [ 459.407764] ? trace_hardirqs_off+0xb8/0x310 [ 459.412170] ? trace_hardirqs_off+0xb8/0x310 [ 459.416578] __alloc_pages_slowpath+0x26e8/0x2e10 [ 459.421439] ? warn_alloc+0x120/0x120 [ 459.425230] ? print_usage_bug+0xc0/0xc0 [ 459.429283] ? warn_alloc+0x120/0x120 [ 459.433080] ? warn_alloc+0x120/0x120 [ 459.436889] ? print_usage_bug+0xc0/0xc0 [ 459.440951] ? kvm_clock_read+0x18/0x30 [ 459.444917] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 459.449926] ? print_usage_bug+0xc0/0xc0 [ 459.453977] ? __lock_acquire+0x62f/0x4c20 [ 459.458549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.464083] ? should_fail+0x22d/0xd01 [ 459.467962] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.473234] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 459.478327] ? __lock_acquire+0x62f/0x4c20 [ 459.482644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 459.487738] ? __lock_acquire+0x62f/0x4c20 [ 459.491960] ? should_fail+0x22d/0xd01 [ 459.495838] ? rcu_irq_exit+0x1a2/0x390 [ 459.499814] ? mark_held_locks+0x130/0x130 [ 459.504042] ? mark_held_locks+0x130/0x130 [ 459.508275] ? mark_held_locks+0xc7/0x130 [ 459.512416] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 459.517422] ? zap_class+0x640/0x640 [ 459.521130] ? print_usage_bug+0xc0/0xc0 [ 459.525187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.530713] ? check_preemption_disabled+0x48/0x280 [ 459.535760] ? __lock_is_held+0xb5/0x140 [ 459.539818] __alloc_pages_nodemask+0xa80/0xde0 [ 459.544475] ? zap_class+0x640/0x640 [ 459.548182] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 459.553199] ? find_held_lock+0x36/0x1c0 [ 459.557588] ? ____cache_alloc_node+0x1c7/0x1e0 [ 459.562253] ? lock_downgrade+0x900/0x900 [ 459.566397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.571931] cache_grow_begin+0xa5/0x8c0 [ 459.575986] ? do_raw_spin_unlock+0xa7/0x330 [ 459.580397] fallback_alloc+0x204/0x2e0 [ 459.584376] ____cache_alloc_node+0x1c7/0x1e0 [ 459.588879] kmem_cache_alloc_node+0xe3/0x730 [ 459.593375] ? ipv6_get_ifaddr+0x42e/0x620 [ 459.597609] __alloc_skb+0x119/0x770 [ 459.601312] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.606585] ? netdev_alloc_frag+0x1f0/0x1f0 [ 459.610987] ? lock_downgrade+0x900/0x900 [ 459.615135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.620663] ? refcount_sub_and_test_checked+0x203/0x310 [ 459.626108] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 459.631552] ? addrconf_rs_timer+0x690/0x690 [ 459.635963] ndisc_alloc_skb+0x144/0x340 [ 459.640025] ndisc_send_rs+0x331/0x6e0 [ 459.643927] addrconf_rs_timer+0x314/0x690 [ 459.648170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.652431] call_timer_fn+0x272/0x920 [ 459.657271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.661498] ? process_timeout+0x40/0x40 [ 459.665560] ? mark_held_locks+0xc7/0x130 [ 459.669816] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.674305] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.678789] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.683014] ? lockdep_hardirqs_on+0x296/0x5b0 [ 459.687587] ? trace_hardirqs_on+0xbd/0x310 [ 459.691900] ? kasan_check_read+0x11/0x20 [ 459.696037] ? __run_timers+0x7da/0xc70 [ 459.700002] ? trace_hardirqs_off_caller+0x310/0x310 [ 459.705099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.709330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 459.713564] __run_timers+0x7e5/0xc70 [ 459.717384] ? timer_fixup_init+0x70/0x70 [ 459.721546] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 459.726558] ? zap_class+0x640/0x640 [ 459.730268] ? print_usage_bug+0xc0/0xc0 [ 459.734324] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 459.739518] ? find_held_lock+0x36/0x1c0 [ 459.743573] ? zap_class+0x640/0x640 [ 459.747285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.752818] ? check_preemption_disabled+0x48/0x280 [ 459.758794] ? __lock_is_held+0xb5/0x140 [ 459.762849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.768385] ? check_preemption_disabled+0x48/0x280 [ 459.773398] run_timer_softirq+0x52/0xb0 [ 459.777450] ? rcu_read_lock_sched_held+0x14f/0x180 [ 459.782481] __do_softirq+0x308/0xb7e [ 459.786275] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 459.790762] ? lock_downgrade+0x900/0x900 [ 459.794905] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 459.800016] ? pvclock_read_flags+0x160/0x160 [ 459.804506] ? lapic_next_event+0x5a/0x90 [ 459.808645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.814176] ? kvm_clock_read+0x18/0x30 [ 459.818139] ? kvm_sched_clock_read+0x9/0x20 [ 459.822545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.828076] ? check_preemption_disabled+0x48/0x280 [ 459.833092] irq_exit+0x17f/0x1c0 [ 459.836543] smp_apic_timer_interrupt+0x1cb/0x760 [ 459.841376] ? smp_reschedule_interrupt+0x109/0x650 [ 459.846387] ? smp_call_function_single_interrupt+0x650/0x650 [ 459.852260] ? interrupt_entry+0xb5/0xc0 [ 459.857267] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.862277] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.867289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.872145] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.877152] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.882163] ? task_prio+0x50/0x50 [ 459.885699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.891231] ? check_preemption_disabled+0x48/0x280 [ 459.896247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.901094] apic_timer_interrupt+0xf/0x20 [ 459.905316] [ 459.907555] RIP: 0010:dump_stack+0x358/0x39d [ 459.911959] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 459.931342] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 459.939045] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 459.946302] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 459.953588] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 459.961361] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 459.968619] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 459.975899] ? dump_stack+0x34f/0x39d [ 459.979709] ? dump_stack_print_info.cold.1+0x20/0x20 [ 459.984895] ? mark_held_locks+0x130/0x130 [ 459.989117] ? mark_held_locks+0x130/0x130 [ 459.993348] dump_header+0x27b/0xf72 [ 459.997064] ? pagefault_out_of_memory+0x197/0x197 [ 460.001994] ? __lock_acquire+0x62f/0x4c20 [ 460.006222] ? percpu_ref_get_many+0x240/0x240 [ 460.010792] ? print_usage_bug+0xc0/0xc0 [ 460.014859] ? zap_class+0x640/0x640 [ 460.018560] ? print_usage_bug+0xc0/0xc0 [ 460.022607] ? print_usage_bug+0xc0/0xc0 [ 460.026657] ? zap_class+0x640/0x640 [ 460.030366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.035899] ? find_held_lock+0x36/0x1c0 [ 460.039963] ? mark_held_locks+0xc7/0x130 [ 460.044103] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 460.049199] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 460.054295] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 460.059191] ? trace_hardirqs_on+0xbd/0x310 [ 460.063502] ? kasan_check_read+0x11/0x20 [ 460.067641] ? ___ratelimit+0x3b4/0x672 [ 460.071612] ? trace_hardirqs_off_caller+0x310/0x310 [ 460.076711] ? trace_hardirqs_on+0x310/0x310 [ 460.081112] ? lock_downgrade+0x900/0x900 [ 460.085261] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 460.090456] ? ___ratelimit+0x3b9/0x672 [ 460.094424] ? idr_get_free+0xf70/0xf70 [ 460.098392] ? find_held_lock+0x36/0x1c0 [ 460.102456] oom_kill_process.cold.27+0x10/0x903 [ 460.107208] ? zap_class+0x640/0x640 [ 460.110915] ? check_preemption_disabled+0x48/0x280 [ 460.115924] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 460.120845] ? kasan_check_read+0x11/0x20 [ 460.124980] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.130340] ? oom_evaluate_task+0x540/0x540 [ 460.134746] ? find_held_lock+0x36/0x1c0 [ 460.138807] ? out_of_memory+0x974/0x1430 [ 460.142957] ? lock_downgrade+0x900/0x900 [ 460.147096] ? check_preemption_disabled+0x48/0x280 [ 460.152107] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 460.158029] ? kasan_check_read+0x11/0x20 [ 460.162168] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.167438] ? rcu_softirq_qs+0x20/0x20 [ 460.171410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.176937] ? oom_evaluate_task+0x302/0x540 [ 460.181342] out_of_memory+0xa84/0x1430 [ 460.185322] ? oom_killer_disable+0x3a0/0x3a0 [ 460.189811] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 460.194739] ? __ww_mutex_check_waiters+0x160/0x160 [ 460.199764] __alloc_pages_slowpath+0x2354/0x2e10 [ 460.204626] ? warn_alloc+0x120/0x120 [ 460.208419] ? mark_held_locks+0x130/0x130 [ 460.212740] ? find_get_entry+0xaae/0x1120 [ 460.216974] ? filemap_map_pages+0x1a20/0x1a20 [ 460.221563] ? zap_class+0x640/0x640 [ 460.225272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.230805] ? check_preemption_disabled+0x48/0x280 [ 460.235833] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.241383] ? should_fail+0x22d/0xd01 [ 460.245279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 460.250376] ? zap_class+0x640/0x640 [ 460.254104] ? __lock_is_held+0xb5/0x140 [ 460.259142] ? mark_held_locks+0x130/0x130 [ 460.263395] ? lock_release+0xa00/0xa00 [ 460.267361] ? perf_trace_sched_process_exec+0x860/0x860 [ 460.272805] ? xa_load+0x2ba/0x460 [ 460.276346] ? lock_downgrade+0x900/0x900 [ 460.280496] ? __might_sleep+0x95/0x190 [ 460.284469] __alloc_pages_nodemask+0xa80/0xde0 [ 460.289142] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 460.294154] ? __page_cache_alloc+0x191/0x5c0 [ 460.298642] ? xa_load+0x2e1/0x460 [ 460.302178] ? xa_clear_mark+0x40/0x40 [ 460.306068] ? zap_class+0x640/0x640 [ 460.309779] ? zap_class+0x640/0x640 [ 460.313486] ? zap_class+0x640/0x640 [ 460.317190] ? __do_page_cache_readahead+0x663/0x810 [ 460.322291] ? find_held_lock+0x36/0x1c0 [ 460.326358] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 460.331902] alloc_pages_current+0x173/0x350 [ 460.336303] __page_cache_alloc+0x38c/0x5c0 [ 460.340624] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 460.345558] ? kasan_check_read+0x11/0x20 [ 460.349774] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.355045] ? generic_perform_write+0x6a0/0x6a0 [ 460.360730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.366265] ? check_preemption_disabled+0x48/0x280 [ 460.371282] filemap_fault+0x1595/0x25f0 [ 460.375362] ? __lock_page_or_retry+0xa00/0xa00 [ 460.380034] ? mark_held_locks+0x130/0x130 [ 460.384265] ? filemap_map_pages+0xd6b/0x1a20 [ 460.388749] ? lock_downgrade+0x900/0x900 [ 460.392920] ? check_preemption_disabled+0x48/0x280 [ 460.397931] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 460.402847] ? kasan_check_read+0x11/0x20 [ 460.406985] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.412255] ? rcu_softirq_qs+0x20/0x20 [ 460.416230] ? filemap_map_pages+0xd92/0x1a20 [ 460.420728] ? find_get_entries_tag+0x1400/0x1400 [ 460.425563] ? debug_object_destroy+0x2b0/0x2b0 [ 460.430259] ? lock_pi_update_atomic+0x150/0x150 [ 460.435010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.440554] ? lock_acquire+0x1ed/0x520 [ 460.444518] ? ext4_filemap_fault+0x7a/0xad [ 460.448842] ? lock_release+0xa00/0xa00 [ 460.452811] ? perf_trace_sched_process_exec+0x860/0x860 [ 460.459212] ? print_usage_bug+0xc0/0xc0 [ 460.463270] ? print_usage_bug+0xc0/0xc0 [ 460.467341] ? down_read+0x8d/0x120 [ 460.470958] ? ext4_filemap_fault+0x7a/0xad [ 460.475273] ? __down_interruptible+0x700/0x700 [ 460.479951] ext4_filemap_fault+0x82/0xad [ 460.484097] __do_fault+0x100/0x6b0 [ 460.487720] ? pmd_devmap_trans_unstable+0x220/0x220 [ 460.492833] ? mark_held_locks+0x130/0x130 [ 460.497062] ? mark_held_locks+0x130/0x130 [ 460.501287] ? do_raw_spin_trylock+0x270/0x270 [ 460.505875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.511408] __handle_mm_fault+0x3ea0/0x5be0 [ 460.515808] ? perf_trace_lock+0x7a0/0x7a0 [ 460.520082] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 460.524920] ? __switch_to_asm+0x34/0x70 [ 460.528974] ? __switch_to_asm+0x34/0x70 [ 460.533038] ? zap_class+0x640/0x640 [ 460.536742] ? zap_class+0x640/0x640 [ 460.540448] ? __x64_sys_futex+0x53e/0x6a0 [ 460.544675] ? find_held_lock+0x36/0x1c0 [ 460.548826] ? handle_mm_fault+0x42a/0xc70 [ 460.553063] ? lock_downgrade+0x900/0x900 [ 460.558175] ? check_preemption_disabled+0x48/0x280 [ 460.563186] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 460.568107] ? kasan_check_read+0x11/0x20 [ 460.572248] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.577515] ? rcu_softirq_qs+0x20/0x20 [ 460.581483] ? trace_hardirqs_off_caller+0x310/0x310 [ 460.586580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.592113] ? check_preemption_disabled+0x48/0x280 [ 460.597138] handle_mm_fault+0x54f/0xc70 [ 460.601197] ? __handle_mm_fault+0x5be0/0x5be0 [ 460.605792] ? find_vma+0x34/0x190 [ 460.609337] __do_page_fault+0x5e8/0xe60 [ 460.613392] ? trace_hardirqs_off+0xb8/0x310 [ 460.617803] do_page_fault+0xf2/0x7e0 [ 460.621606] ? vmalloc_sync_all+0x30/0x30 [ 460.625746] ? error_entry+0x70/0xd0 [ 460.629455] ? trace_hardirqs_off_caller+0xbb/0x310 [ 460.634467] ? trace_hardirqs_on_caller+0xc0/0x310 [ 460.639390] ? syscall_return_slowpath+0x5e0/0x5e0 [ 460.644320] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.649159] ? trace_hardirqs_on_caller+0x310/0x310 [ 460.654188] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 460.660455] ? prepare_exit_to_usermode+0x291/0x3b0 [ 460.665467] ? page_fault+0x8/0x30 [ 460.669005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.673847] ? page_fault+0x8/0x30 [ 460.677381] page_fault+0x1e/0x30 [ 460.680823] RIP: 0033:0x45ddf3 [ 460.684023] Code: Bad RIP value. [ 460.687380] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 460.692731] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 460.699993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 460.707254] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 460.714520] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 460.721782] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 460.729070] warn_alloc_show_mem: 1 callbacks suppressed [ 460.729080] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 460.729081] Mem-Info: [ 460.729110] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 460.729110] active_file:12 inactive_file:13 isolated_file:0 [ 460.729110] unevictable:0 dirty:0 writeback:0 unstable:0 [ 460.729110] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 460.729110] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 460.729110] free:13705 free_pcp:178 free_cma:0 [ 460.734440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 460.741359] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 460.743743] Call Trace: [ 460.777407] Node 0 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 [ 460.786754] dump_stack+0x244/0x39d [ 460.814387] lowmem_reserve[]: 0 2818 6321 6321 [ 460.816960] ? dump_stack_print_info.cold.1+0x20/0x20 [ 460.843036] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 460.846660] warn_alloc.cold.116+0xb7/0x1bd [ 460.851203] lowmem_reserve[]: 0 0 3503 3503 [ 460.856705] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 460.884171] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 460.888481] ? lock_downgrade+0x900/0x900 [ 460.892770] lowmem_reserve[]: 0 0 0 0 [ 460.897691] ? trace_hardirqs_off+0xb8/0x310 [ 460.926634] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 460.930776] ? trace_hardirqs_off+0xb8/0x310 [ 460.934552] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 460.938955] __alloc_pages_slowpath+0x26e8/0x2e10 [ 460.952442] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 460.957179] ? warn_alloc+0x120/0x120 [ 460.972393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 460.977215] ? warn_alloc+0x120/0x120 [ 460.991403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 460.995213] ? warn_alloc+0x120/0x120 [ 461.004014] 366 total pagecache pages [ 461.007788] ? trace_hardirqs_off+0xb8/0x310 [ 461.007803] ? print_usage_bug+0xc0/0xc0 [ 461.016349] 0 pages in swap cache [ 461.020127] ? print_usage_bug+0xc0/0xc0 [ 461.023903] Swap cache stats: add 0, delete 0, find 0/0 [ 461.028302] ? __lock_acquire+0x62f/0x4c20 [ 461.032336] Free swap = 0kB [ 461.035776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.039812] Total swap = 0kB [ 461.045159] ? should_fail+0x22d/0xd01 [ 461.049359] 1965979 pages RAM [ 461.052362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.058644] 0 pages HighMem/MovableOnly [ 461.058652] 342854 pages reserved [ 461.061657] ? __lock_acquire+0x62f/0x4c20 [ 461.065525] 0 pages cma reserved [ 461.068702] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.073830] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 461.077724] ? __lock_acquire+0x62f/0x4c20 [ 461.077738] ? should_fail+0x22d/0xd01 [ 461.081213] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 461.085385] ? mark_held_locks+0x130/0x130 [ 461.088716] syz-fuzzer cpuset=/ mems_allowed=0 [ 461.093804] ? mark_held_locks+0x130/0x130 [ 461.131574] ? zap_class+0x640/0x640 [ 461.135288] ? ret_from_fork+0x3a/0x50 [ 461.139185] ? __lock_acquire+0x62f/0x4c20 [ 461.143444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.148978] ? check_preemption_disabled+0x48/0x280 [ 461.153995] ? __lock_is_held+0xb5/0x140 [ 461.158350] __alloc_pages_nodemask+0xa80/0xde0 [ 461.163012] ? zap_class+0x640/0x640 [ 461.166723] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 461.171743] ? find_held_lock+0x36/0x1c0 [ 461.175806] ? ____cache_alloc_node+0x1c7/0x1e0 [ 461.180470] ? lock_downgrade+0x900/0x900 [ 461.184618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.190165] cache_grow_begin+0xa5/0x8c0 [ 461.194218] ? do_raw_spin_unlock+0xa7/0x330 [ 461.198632] fallback_alloc+0x204/0x2e0 [ 461.202606] ____cache_alloc_node+0x1c7/0x1e0 [ 461.207098] kmem_cache_alloc_node+0xe3/0x730 [ 461.211586] ? mark_held_locks+0xc7/0x130 [ 461.215736] __alloc_skb+0x119/0x770 [ 461.219449] ? netdev_alloc_frag+0x1f0/0x1f0 [ 461.223853] ? do_raw_spin_trylock+0x270/0x270 [ 461.228426] ? kmem_cache_alloc_trace+0x353/0x750 [ 461.233274] ? queue_work_on+0x12c/0x1e0 [ 461.237339] ? switchdev_port_obj_del+0xdc/0x440 [ 461.242088] ? switchdev_trans_item_enqueue+0x260/0x260 [ 461.247447] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 461.252464] __br_mdb_notify+0x4ff/0x15d0 [ 461.256974] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.262080] ? __br_mdb_add+0x7f0/0x7f0 [ 461.266047] ? mark_held_locks+0x130/0x130 [ 461.270302] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 461.275406] ? debug_object_assert_init+0x368/0x4b0 [ 461.280418] ? debug_object_init_on_stack+0x20/0x20 [ 461.285434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.290974] br_mdb_notify+0x310/0x410 [ 461.294858] ? br_mdb_dump+0x27b0/0x27b0 [ 461.298928] br_multicast_del_pg+0x3df/0x790 [ 461.303334] ? br_mdb_ip_get+0x940/0x940 [ 461.307392] ? rwlock_bug.part.2+0x90/0x90 [ 461.311622] ? __lock_is_held+0xb5/0x140 [ 461.315690] br_multicast_port_group_expired+0x189/0x1e0 [ 461.321138] call_timer_fn+0x272/0x920 [ 461.325110] ? br_multicast_del_pg+0x790/0x790 [ 461.329683] ? process_timeout+0x40/0x40 [ 461.333746] ? __run_timers+0x7da/0xc70 [ 461.337713] ? _raw_spin_unlock_irq+0x27/0x80 [ 461.342198] ? _raw_spin_unlock_irq+0x27/0x80 [ 461.346685] ? br_multicast_del_pg+0x790/0x790 [ 461.351275] ? lockdep_hardirqs_on+0x296/0x5b0 [ 461.356166] ? trace_hardirqs_on+0xbd/0x310 [ 461.360476] ? kasan_check_read+0x11/0x20 [ 461.364615] ? __run_timers+0x7da/0xc70 [ 461.368586] ? trace_hardirqs_off_caller+0x310/0x310 [ 461.373690] ? br_multicast_del_pg+0x790/0x790 [ 461.378281] ? br_multicast_del_pg+0x790/0x790 [ 461.382873] __run_timers+0x7e5/0xc70 [ 461.386676] ? timer_fixup_init+0x70/0x70 [ 461.390817] ? _raw_spin_unlock_irq+0x27/0x80 [ 461.395303] ? _raw_spin_unlock_irq+0x27/0x80 [ 461.399797] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 461.404371] ? trace_hardirqs_on+0xbd/0x310 [ 461.408695] ? kasan_check_read+0x11/0x20 [ 461.412851] ? finish_task_switch+0x1f4/0x910 [ 461.417358] ? trace_hardirqs_off_caller+0x310/0x310 [ 461.422475] ? compat_start_thread+0x80/0x80 [ 461.426903] ? pvclock_read_flags+0x160/0x160 [ 461.431389] ? __switch_to_asm+0x34/0x70 [ 461.435447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.440977] ? check_preemption_disabled+0x48/0x280 [ 461.445995] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 461.451528] ? rcu_pm_notify+0xc0/0xc0 [ 461.455423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.461278] ? check_preemption_disabled+0x48/0x280 [ 461.466289] run_timer_softirq+0x52/0xb0 [ 461.470343] ? rcu_read_lock_sched_held+0x14f/0x180 [ 461.475349] __do_softirq+0x308/0xb7e [ 461.479150] ? trace_hardirqs_on_caller+0xc0/0x310 [ 461.484073] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 461.489172] ? trace_hardirqs_on+0x310/0x310 [ 461.493582] ? schedule+0x108/0x460 [ 461.497212] ? trace_hardirqs_off+0xb8/0x310 [ 461.501621] ? smpboot_thread_fn+0x68b/0xa00 [ 461.506021] ? trace_hardirqs_on+0x310/0x310 [ 461.510425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.515955] ? check_preemption_disabled+0x48/0x280 [ 461.520965] ? takeover_tasklets+0xa90/0xa90 [ 461.525372] run_ksoftirqd+0x5e/0x100 [ 461.529164] smpboot_thread_fn+0x68b/0xa00 [ 461.533399] ? sort_range+0x30/0x30 [ 461.537019] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 461.542117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.547643] ? __kthread_parkme+0xfb/0x1a0 [ 461.551872] ? sort_range+0x30/0x30 [ 461.555781] kthread+0x35a/0x440 [ 461.559142] ? kthread_stop+0x900/0x900 [ 461.563110] ret_from_fork+0x3a/0x50 [ 461.566832] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 461.566865] rcu: INFO: rcu_preempt self-detected stall on CPU [ 461.573754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 461.573761] Call Trace: [ 461.579860] rcu: 0-...!: (127 ticks this GP) idle=03a/1/0x4000000000000002 softirq=259074/259078 fqs=3 [ 461.588964] [ 461.588980] dump_stack+0x244/0x39d [ 461.588997] ? dump_stack_print_info.cold.1+0x20/0x20 [ 461.589020] warn_alloc.cold.116+0xb7/0x1bd [ 461.589036] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 461.589053] ? lock_downgrade+0x900/0x900 [ 461.589073] ? trace_hardirqs_off+0xb8/0x310 [ 461.589092] ? trace_hardirqs_off+0xb8/0x310 [ 461.591771] rcu: (t=10710 jiffies g=50525 q=49) [ 461.601378] __alloc_pages_slowpath+0x26e8/0x2e10 [ 461.603503] rcu: rcu_preempt kthread starved for 10382 jiffies! g50525 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 461.607127] ? warn_alloc+0x120/0x120 [ 461.612264] rcu: RCU grace-period kthread stack dump: [ 461.616568] ? print_usage_bug+0xc0/0xc0 [ 461.621383] rcu_preempt R running task 22568 10 2 0x80000000 [ 461.625517] ? warn_alloc+0x120/0x120 [ 461.629897] Call Trace: [ 461.634293] ? warn_alloc+0x120/0x120 [ 461.639112] __schedule+0x8cf/0x21d0 [ 461.643941] ? print_usage_bug+0xc0/0xc0 [ 461.654409] ? __sched_text_start+0x8/0x8 [ 461.659144] ? print_usage_bug+0xc0/0xc0 [ 461.664313] ? add_timer_on+0xa20/0xa20 [ 461.668348] ? __lock_acquire+0x62f/0x4c20 [ 461.675511] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.679292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.681873] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.685664] ? should_fail+0x22d/0xd01 [ 461.689354] ? trace_hardirqs_on+0xbd/0x310 [ 461.693394] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.697518] ? kasan_check_read+0x11/0x20 [ 461.701554] ? __lock_acquire+0x62f/0x4c20 [ 461.705505] ? prepare_to_swait_event+0x25a/0x800 [ 461.709715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.714798] ? trace_hardirqs_off_caller+0x310/0x310 [ 461.720313] ? __lock_acquire+0x62f/0x4c20 [ 461.725390] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.729256] ? should_fail+0x22d/0xd01 [ 461.733557] schedule+0xfe/0x460 [ 461.738633] ? find_held_lock+0x36/0x1c0 [ 461.742759] ? __schedule+0x21d0/0x21d0 [ 461.746978] ? mark_held_locks+0x130/0x130 [ 461.751802] ? prepare_to_swait_event+0x25a/0x800 [ 461.757836] ? mark_held_locks+0x130/0x130 [ 461.762922] ? __init_swait_queue_head+0x150/0x150 [ 461.767128] ? zap_class+0x640/0x640 [ 461.767143] ? zap_class+0x640/0x640 [ 461.772233] ? __lockdep_init_map+0x105/0x590 [ 461.776094] ? print_usage_bug+0xc0/0xc0 [ 461.779437] ? lockdep_init_map+0x9/0x10 [ 461.783472] ? do_raw_spin_unlock+0xa7/0x330 [ 461.787435] schedule_timeout+0x140/0x260 [ 461.791640] ? zap_class+0x640/0x640 [ 461.796460] ? usleep_range+0x1a0/0x1a0 [ 461.800668] ? print_usage_bug+0xc0/0xc0 [ 461.805572] ? __next_timer_interrupt+0x1a0/0x1a0 [ 461.809267] ? wq_watchdog_touch+0x9c/0xfe [ 461.812966] rcu_gp_fqs_loop+0x762/0xa80 [ 461.817433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.821476] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 461.825515] ? check_preemption_disabled+0x48/0x280 [ 461.829902] ? trace_hardirqs_off_caller+0x310/0x310 [ 461.834048] ? __lock_is_held+0xb5/0x140 [ 461.837743] ? perf_trace_sched_process_exec+0x860/0x860 [ 461.841696] __alloc_pages_nodemask+0xa80/0xde0 [ 461.845730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.850551] ? zap_class+0x640/0x640 [ 461.854773] ? rcu_gp_init+0x90b/0x1260 [ 461.859555] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 461.865068] ? __switch_to_asm+0x40/0x70 [ 461.869807] ? find_held_lock+0x36/0x1c0 [ 461.875305] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 461.880388] ? ____cache_alloc_node+0x1c7/0x1e0 [ 461.884418] ? __switch_to_asm+0x40/0x70 [ 461.889849] ? lock_downgrade+0x900/0x900 [ 461.894495] ? find_held_lock+0x36/0x1c0 [ 461.900011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.903702] ? zap_class+0x640/0x640 [ 461.907656] cache_grow_begin+0xa5/0x8c0 [ 461.912654] ? prepare_to_swait_event+0x25a/0x800 [ 461.916685] ? do_raw_spin_unlock+0xa7/0x330 [ 461.920723] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.925926] fallback_alloc+0x204/0x2e0 [ 461.930575] ? find_held_lock+0x36/0x1c0 [ 461.934617] ____cache_alloc_node+0x1c7/0x1e0 [ 461.938835] ? finish_swait+0x25d/0x430 [ 461.942872] kmem_cache_alloc_node+0xe3/0x730 [ 461.948384] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.952075] ? ipv6_get_ifaddr+0x42e/0x620 [ 461.956404] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.961250] __alloc_skb+0x119/0x770 [ 461.965652] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 461.970736] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 461.974687] ? trace_hardirqs_on+0xbd/0x310 [ 461.978726] ? netdev_alloc_frag+0x1f0/0x1f0 [ 461.983194] ? kasan_check_read+0x11/0x20 [ 461.987170] ? lock_downgrade+0x900/0x900 [ 461.991643] ? trace_hardirqs_off_caller+0x310/0x310 [ 461.996729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.000938] ? __init_swait_queue_head+0x150/0x150 [ 462.006017] ? refcount_sub_and_test_checked+0x203/0x310 [ 462.009716] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 462.014278] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 462.019564] ? finish_swait+0x25d/0x430 [ 462.023863] ? addrconf_rs_timer+0x690/0x690 [ 462.028247] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 462.032381] ndisc_alloc_skb+0x144/0x340 [ 462.036498] ? swake_up_locked+0x360/0x360 [ 462.041585] ndisc_send_rs+0x331/0x6e0 [ 462.047102] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.052013] addrconf_rs_timer+0x314/0x690 [ 462.057780] ? perf_trace_sched_process_exec+0x860/0x860 [ 462.062865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 462.068290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.072249] call_timer_fn+0x272/0x920 [ 462.076637] rcu_gp_kthread+0x341/0xc70 [ 462.081199] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 462.085243] ? rcu_gp_init+0x1260/0x1260 [ 462.089451] ? process_timeout+0x40/0x40 [ 462.093314] ? mark_held_locks+0x130/0x130 [ 462.098408] ? mark_held_locks+0xc7/0x130 [ 462.102617] ? __schedule+0x168a/0x21d0 [ 462.108045] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.112260] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.117773] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.121641] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 462.125589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 462.129798] ? trace_hardirqs_on+0xbd/0x310 [ 462.133837] ? lockdep_hardirqs_on+0x296/0x5b0 [ 462.137875] ? kasan_check_read+0x11/0x20 [ 462.142087] ? trace_hardirqs_on+0xbd/0x310 [ 462.146218] ? __schedule+0x168a/0x21d0 [ 462.150167] ? kasan_check_read+0x11/0x20 [ 462.154641] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.160052] ? __run_timers+0x7da/0xc70 [ 462.164531] ? lock_pin_lock+0x350/0x350 [ 462.169090] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.173305] ? _raw_spin_unlock_irq+0x60/0x80 [ 462.177612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 462.182161] ? __schedule+0x168a/0x21d0 [ 462.186287] __run_timers+0x7e5/0xc70 [ 462.190587] ? __switch_to_asm+0x40/0x70 [ 462.194544] ? timer_fixup_init+0x70/0x70 [ 462.198661] ? __switch_to_asm+0x40/0x70 [ 462.203741] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 462.207693] ? show_schedstat+0x721/0xf30 [ 462.211732] ? zap_class+0x640/0x640 [ 462.216819] ? __sched_text_start+0x8/0x8 [ 462.221293] ? print_usage_bug+0xc0/0xc0 [ 462.225509] ? find_held_lock+0x36/0x1c0 [ 462.229458] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 462.233244] ? __kthread_parkme+0xce/0x1a0 [ 462.237279] ? find_held_lock+0x36/0x1c0 [ 462.241399] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 462.245438] ? zap_class+0x640/0x640 [ 462.250427] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 462.254553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.258544] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 462.262670] ? check_preemption_disabled+0x48/0x280 [ 462.266710] ? trace_hardirqs_on+0xbd/0x310 [ 462.270752] ? __lock_is_held+0xb5/0x140 [ 462.275914] ? kasan_check_read+0x11/0x20 [ 462.280126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.284163] ? __kthread_parkme+0xce/0x1a0 [ 462.289243] ? check_preemption_disabled+0x48/0x280 [ 462.292931] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.298018] run_timer_softirq+0x52/0xb0 [ 462.303537] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 462.308093] ? rcu_read_lock_sched_held+0x14f/0x180 [ 462.313079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.317375] __do_softirq+0x308/0xb7e [ 462.321413] ? __kthread_parkme+0xfb/0x1a0 [ 462.325538] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 462.331055] ? rcu_gp_init+0x1260/0x1260 [ 462.335260] ? lock_downgrade+0x900/0x900 [ 462.340252] kthread+0x35a/0x440 [ 462.345331] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 462.349369] ? kthread_stop+0x900/0x900 [ 462.354453] ? pvclock_read_flags+0x160/0x160 [ 462.359772] ret_from_fork+0x3a/0x50 [ 462.365304] ? lapic_next_event+0x5a/0x90 [ 462.369091] NMI backtrace for cpu 0 [ 462.373295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.419735] ? kvm_clock_read+0x18/0x30 [ 462.423706] ? kvm_sched_clock_read+0x9/0x20 [ 462.428111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.433645] ? check_preemption_disabled+0x48/0x280 [ 462.438667] irq_exit+0x17f/0x1c0 [ 462.442117] smp_apic_timer_interrupt+0x1cb/0x760 [ 462.446949] ? smp_reschedule_interrupt+0x109/0x650 [ 462.451958] ? smp_call_function_single_interrupt+0x650/0x650 [ 462.458640] ? interrupt_entry+0xb5/0xc0 [ 462.462701] ? trace_hardirqs_off_caller+0xbb/0x310 [ 462.467724] ? trace_hardirqs_off_caller+0xbb/0x310 [ 462.472732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.477566] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.482574] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.487578] ? task_prio+0x50/0x50 [ 462.491113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.496639] ? check_preemption_disabled+0x48/0x280 [ 462.501645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.506486] apic_timer_interrupt+0xf/0x20 [ 462.510705] [ 462.512939] RIP: 0010:dump_stack+0x358/0x39d [ 462.517342] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 462.536232] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 462.543928] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 462.551184] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 462.559237] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 462.566496] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 462.573755] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 462.581033] ? dump_stack+0x34f/0x39d [ 462.584839] ? dump_stack_print_info.cold.1+0x20/0x20 [ 462.590028] ? mark_held_locks+0x130/0x130 [ 462.594257] ? mark_held_locks+0x130/0x130 [ 462.598489] dump_header+0x27b/0xf72 [ 462.602207] ? pagefault_out_of_memory+0x197/0x197 [ 462.607132] ? __lock_acquire+0x62f/0x4c20 [ 462.611366] ? percpu_ref_get_many+0x240/0x240 [ 462.615951] ? print_usage_bug+0xc0/0xc0 [ 462.620007] ? zap_class+0x640/0x640 [ 462.623718] ? print_usage_bug+0xc0/0xc0 [ 462.627769] ? print_usage_bug+0xc0/0xc0 [ 462.631826] ? zap_class+0x640/0x640 [ 462.635536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.641070] ? find_held_lock+0x36/0x1c0 [ 462.645132] ? mark_held_locks+0xc7/0x130 [ 462.649281] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 462.654373] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 462.660283] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 462.664950] ? trace_hardirqs_on+0xbd/0x310 [ 462.669264] ? kasan_check_read+0x11/0x20 [ 462.673409] ? ___ratelimit+0x3b4/0x672 [ 462.677378] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.682473] ? trace_hardirqs_on+0x310/0x310 [ 462.686877] ? lock_downgrade+0x900/0x900 [ 462.691025] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 462.696227] ? ___ratelimit+0x3b9/0x672 [ 462.700196] ? idr_get_free+0xf70/0xf70 [ 462.704165] ? find_held_lock+0x36/0x1c0 [ 462.708329] oom_kill_process.cold.27+0x10/0x903 [ 462.713079] ? zap_class+0x640/0x640 [ 462.716788] ? check_preemption_disabled+0x48/0x280 [ 462.721885] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 462.726801] ? kasan_check_read+0x11/0x20 [ 462.730940] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 462.736210] ? oom_evaluate_task+0x540/0x540 [ 462.740613] ? find_held_lock+0x36/0x1c0 [ 462.744676] ? out_of_memory+0x974/0x1430 [ 462.748814] ? lock_downgrade+0x900/0x900 [ 462.752951] ? check_preemption_disabled+0x48/0x280 [ 462.758406] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 462.763324] ? kasan_check_read+0x11/0x20 [ 462.767459] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 462.772727] ? rcu_softirq_qs+0x20/0x20 [ 462.776705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.782231] ? oom_evaluate_task+0x302/0x540 [ 462.786634] out_of_memory+0xa84/0x1430 [ 462.790608] ? oom_killer_disable+0x3a0/0x3a0 [ 462.795094] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 462.800015] ? __ww_mutex_check_waiters+0x160/0x160 [ 462.805047] __alloc_pages_slowpath+0x2354/0x2e10 [ 462.809906] ? warn_alloc+0x120/0x120 [ 462.813699] ? mark_held_locks+0x130/0x130 [ 462.817929] ? find_get_entry+0xaae/0x1120 [ 462.822171] ? filemap_map_pages+0x1a20/0x1a20 [ 462.826749] ? zap_class+0x640/0x640 [ 462.830458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.835987] ? check_preemption_disabled+0x48/0x280 [ 462.840992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.846522] ? should_fail+0x22d/0xd01 [ 462.850408] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 462.855976] ? zap_class+0x640/0x640 [ 462.859708] ? __lock_is_held+0xb5/0x140 [ 462.863772] ? mark_held_locks+0x130/0x130 [ 462.868000] ? lock_release+0xa00/0xa00 [ 462.871963] ? perf_trace_sched_process_exec+0x860/0x860 [ 462.877407] ? xa_load+0x2ba/0x460 [ 462.880966] ? lock_downgrade+0x900/0x900 [ 462.885112] ? __might_sleep+0x95/0x190 [ 462.889090] __alloc_pages_nodemask+0xa80/0xde0 [ 462.893756] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 462.898767] ? __page_cache_alloc+0x191/0x5c0 [ 462.903257] ? xa_load+0x2e1/0x460 [ 462.906791] ? xa_clear_mark+0x40/0x40 [ 462.910681] ? zap_class+0x640/0x640 [ 462.914399] ? zap_class+0x640/0x640 [ 462.918103] ? zap_class+0x640/0x640 [ 462.921825] ? __do_page_cache_readahead+0x663/0x810 [ 462.926928] ? find_held_lock+0x36/0x1c0 [ 462.930991] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 462.936527] alloc_pages_current+0x173/0x350 [ 462.940933] __page_cache_alloc+0x38c/0x5c0 [ 462.945244] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 462.950166] ? kasan_check_read+0x11/0x20 [ 462.954308] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 462.960354] ? generic_perform_write+0x6a0/0x6a0 [ 462.965103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.970642] ? check_preemption_disabled+0x48/0x280 [ 462.975676] filemap_fault+0x1595/0x25f0 [ 462.979739] ? __lock_page_or_retry+0xa00/0xa00 [ 462.984405] ? mark_held_locks+0x130/0x130 [ 462.988641] ? filemap_map_pages+0xd6b/0x1a20 [ 462.993142] ? lock_downgrade+0x900/0x900 [ 462.997281] ? check_preemption_disabled+0x48/0x280 [ 463.002291] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 463.007215] ? kasan_check_read+0x11/0x20 [ 463.011357] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 463.016630] ? rcu_softirq_qs+0x20/0x20 [ 463.020613] ? filemap_map_pages+0xd92/0x1a20 [ 463.025111] ? find_get_entries_tag+0x1400/0x1400 [ 463.030062] ? debug_object_destroy+0x2b0/0x2b0 [ 463.034727] ? lock_pi_update_atomic+0x150/0x150 [ 463.039475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.045015] ? lock_acquire+0x1ed/0x520 [ 463.048982] ? ext4_filemap_fault+0x7a/0xad [ 463.053303] ? lock_release+0xa00/0xa00 [ 463.058225] ? perf_trace_sched_process_exec+0x860/0x860 [ 463.063672] ? print_usage_bug+0xc0/0xc0 [ 463.067726] ? print_usage_bug+0xc0/0xc0 [ 463.071795] ? down_read+0x8d/0x120 [ 463.075416] ? ext4_filemap_fault+0x7a/0xad [ 463.079735] ? __down_interruptible+0x700/0x700 [ 463.084405] ext4_filemap_fault+0x82/0xad [ 463.088553] __do_fault+0x100/0x6b0 [ 463.092179] ? pmd_devmap_trans_unstable+0x220/0x220 [ 463.097282] ? mark_held_locks+0x130/0x130 [ 463.101514] ? mark_held_locks+0x130/0x130 [ 463.105740] ? do_raw_spin_trylock+0x270/0x270 [ 463.110321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.115858] __handle_mm_fault+0x3ea0/0x5be0 [ 463.120261] ? perf_trace_lock+0x7a0/0x7a0 [ 463.124498] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 463.129337] ? __switch_to_asm+0x34/0x70 [ 463.133403] ? __switch_to_asm+0x34/0x70 [ 463.137470] ? zap_class+0x640/0x640 [ 463.141174] ? zap_class+0x640/0x640 [ 463.144876] ? __x64_sys_futex+0x53e/0x6a0 [ 463.149106] ? find_held_lock+0x36/0x1c0 [ 463.153171] ? handle_mm_fault+0x42a/0xc70 [ 463.158211] ? lock_downgrade+0x900/0x900 [ 463.162354] ? check_preemption_disabled+0x48/0x280 [ 463.167364] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 463.172286] ? kasan_check_read+0x11/0x20 [ 463.176429] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 463.181696] ? rcu_softirq_qs+0x20/0x20 [ 463.185670] ? trace_hardirqs_off_caller+0x310/0x310 [ 463.190768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.196297] ? check_preemption_disabled+0x48/0x280 [ 463.201332] handle_mm_fault+0x54f/0xc70 [ 463.205388] ? __handle_mm_fault+0x5be0/0x5be0 [ 463.209965] ? find_vma+0x34/0x190 [ 463.213506] __do_page_fault+0x5e8/0xe60 [ 463.217902] ? trace_hardirqs_off+0xb8/0x310 [ 463.222326] do_page_fault+0xf2/0x7e0 [ 463.226129] ? vmalloc_sync_all+0x30/0x30 [ 463.230270] ? error_entry+0x70/0xd0 [ 463.233980] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.238987] ? trace_hardirqs_on_caller+0xc0/0x310 [ 463.243907] ? syscall_return_slowpath+0x5e0/0x5e0 [ 463.248827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.253668] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.259641] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 463.265089] ? prepare_exit_to_usermode+0x291/0x3b0 [ 463.270101] ? page_fault+0x8/0x30 [ 463.273644] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.278482] ? page_fault+0x8/0x30 [ 463.282037] page_fault+0x1e/0x30 [ 463.285481] RIP: 0033:0x45ddf3 [ 463.288688] Code: Bad RIP value. [ 463.292042] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 463.297397] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 463.304659] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 463.311919] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 463.319183] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 463.326447] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 463.333724] warn_alloc_show_mem: 1 callbacks suppressed [ 463.333733] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 463.333734] Mem-Info: [ 463.333762] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 463.333762] active_file:12 inactive_file:13 isolated_file:0 [ 463.333762] unevictable:0 dirty:0 writeback:0 unstable:0 [ 463.333762] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 463.333762] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 463.333762] free:13705 free_pcp:178 free_cma:0 [ 463.339088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 463.339095] Call Trace: [ 463.345848] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 463.348236] [ 463.382130] Node 0 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 [ 463.391581] dump_stack+0x244/0x39d [ 463.394128] lowmem_reserve[]: 0 2818 6321 6321 [ 463.421796] ? dump_stack_print_info.cold.1+0x20/0x20 [ 463.423915] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 463.450014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.453607] lowmem_reserve[]: 0 0 3503 3503 [ 463.458478] ? do_raw_spin_lock+0x14f/0x350 [ 463.463643] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 463.491142] nmi_cpu_backtrace.cold.2+0x5c/0xa1 [ 463.496645] lowmem_reserve[]: 0 0 0 0 [ 463.500955] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 463.505241] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 463.534198] nmi_trigger_cpumask_backtrace+0x1e8/0x22a [ 463.538856] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 463.542647] arch_trigger_cpumask_backtrace+0x14/0x20 [ 463.547804] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 463.561571] rcu_dump_cpu_stacks+0x16f/0x1bc [ 463.566825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 463.582082] print_cpu_stall.cold.67+0x1f3/0x3c7 [ 463.587259] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 463.601455] ? print_other_cpu_stall+0x160/0x160 [ 463.605847] 366 total pagecache pages [ 463.614665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.619401] 0 pages in swap cache [ 463.627952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.632679] Swap cache stats: add 0, delete 0, find 0/0 [ 463.636463] ? do_trace_rcu_torture_read+0x10/0x10 [ 463.641970] Free swap = 0kB [ 463.645410] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 463.650909] Total swap = 0kB [ 463.650916] 1965979 pages RAM [ 463.656536] ? __lock_is_held+0xb5/0x140 [ 463.656552] ? __rcu_read_lock+0x50/0x50 [ 463.661455] 0 pages HighMem/MovableOnly [ 463.664461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.669706] 342854 pages reserved [ 463.672711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.675784] 0 pages cma reserved [ 463.679834] ? check_preemption_disabled+0x48/0x280 [ 463.683920] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 463.687826] rcu_check_callbacks+0xf3b/0x13f0 [ 463.693433] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 463.696775] ? rcutree_dead_cpu+0x10/0x10 [ 463.702280] syz-fuzzer cpuset=/ mems_allowed=0 [ 463.705633] ? lock_downgrade+0x900/0x900 [ 463.744607] ? lock_release+0x930/0xa00 [ 463.748587] ? zap_class+0x640/0x640 [ 463.752296] ? zap_class+0x640/0x640 [ 463.756263] ? zap_class+0x640/0x640 [ 463.760460] ? zap_class+0x640/0x640 [ 463.764168] ? find_held_lock+0x36/0x1c0 [ 463.768225] ? cpuacct_account_field+0x219/0x3d0 [ 463.772976] ? zap_class+0x640/0x640 [ 463.776690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.782220] ? check_preemption_disabled+0x48/0x280 [ 463.787238] ? trace_hardirqs_off+0xb8/0x310 [ 463.791639] ? __lock_is_held+0xb5/0x140 [ 463.795691] ? trace_hardirqs_on+0x310/0x310 [ 463.800106] ? check_preemption_disabled+0x48/0x280 [ 463.805126] ? raise_softirq+0x199/0x420 [ 463.809181] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 463.813844] ? account_system_index_time+0x333/0x5d0 [ 463.818940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.824468] ? check_preemption_disabled+0x48/0x280 [ 463.829484] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 463.835012] ? hrtimer_run_queues+0x9a/0x400 [ 463.839417] ? run_local_timers+0x19b/0x230 [ 463.843734] ? timer_clear_idle+0x90/0x90 [ 463.847872] ? irqtime_account_process_tick.isra.6+0x38e/0x490 [ 463.853841] ? account_process_tick+0x282/0x350 [ 463.858770] update_process_times+0x2d/0x70 [ 463.863102] tick_sched_handle+0x9f/0x180 [ 463.867246] tick_sched_timer+0x45/0x130 [ 463.871300] __hrtimer_run_queues+0x41c/0x10d0 [ 463.875882] ? tick_sched_do_timer+0x1a0/0x1a0 [ 463.880461] ? hrtimer_start_range_ns+0xe00/0xe00 [ 463.885306] ? pvclock_read_flags+0x160/0x160 [ 463.889816] ? trace_hardirqs_on+0x310/0x310 [ 463.894227] ? kvm_clock_read+0x18/0x30 [ 463.898194] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 463.903199] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 463.908562] ? do_timer+0x50/0x50 [ 463.912010] ? rwlock_bug.part.2+0x90/0x90 [ 463.916237] ? trace_hardirqs_on+0x310/0x310 [ 463.920640] ? rcu_softirq_qs+0x20/0x20 [ 463.924774] hrtimer_interrupt+0x313/0x780 [ 463.929018] smp_apic_timer_interrupt+0x1a1/0x760 [ 463.933854] ? smp_call_function_single_interrupt+0x650/0x650 [ 463.939732] ? interrupt_entry+0xb5/0xc0 [ 463.943785] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.948791] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.953805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.958938] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.963946] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.968950] ? task_prio+0x50/0x50 [ 463.972505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.978127] ? check_preemption_disabled+0x48/0x280 [ 463.983144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.987984] apic_timer_interrupt+0xf/0x20 [ 463.992204] [ 463.994437] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 463.999795] Code: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 60 [ 464.018689] RSP: 0000:ffff8801d9aff1a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 464.026390] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b35e161 [ 464.033650] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 464.040911] RBP: ffff8801d9aff210 R08: ffff8801d9af0b08 R09: 0000000000000002 [ 464.048169] R10: 0000000000000000 R11: ffff8801d9af0240 R12: ffff8801d9a1c0c0 [ 464.055605] R13: ffff8801d9a1c0c0 R14: 0000000000000000 R15: 0000000000000286 [ 464.062969] ? mark_held_locks+0xc7/0x130 [ 464.067120] __alloc_skb+0x119/0x770 [ 464.070831] ? netdev_alloc_frag+0x1f0/0x1f0 [ 464.075247] ? do_raw_spin_trylock+0x270/0x270 [ 464.079828] ? kmem_cache_alloc_trace+0x353/0x750 [ 464.084667] ? queue_work_on+0x12c/0x1e0 [ 464.088727] ? switchdev_port_obj_del+0xdc/0x440 [ 464.093485] ? switchdev_trans_item_enqueue+0x260/0x260 [ 464.098847] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 464.103869] __br_mdb_notify+0x4ff/0x15d0 [ 464.108007] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 464.113117] ? __br_mdb_add+0x7f0/0x7f0 [ 464.117098] ? mark_held_locks+0x130/0x130 [ 464.121332] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 464.126427] ? debug_object_assert_init+0x368/0x4b0 [ 464.131438] ? debug_object_init_on_stack+0x20/0x20 [ 464.136448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.141984] br_mdb_notify+0x310/0x410 [ 464.145869] ? br_mdb_dump+0x27b0/0x27b0 [ 464.149938] br_multicast_del_pg+0x3df/0x790 [ 464.154343] ? br_mdb_ip_get+0x940/0x940 [ 464.158659] ? rwlock_bug.part.2+0x90/0x90 [ 464.162892] ? __lock_is_held+0xb5/0x140 [ 464.166952] br_multicast_port_group_expired+0x189/0x1e0 [ 464.172411] call_timer_fn+0x272/0x920 [ 464.176291] ? br_multicast_del_pg+0x790/0x790 [ 464.180863] ? process_timeout+0x40/0x40 [ 464.184925] ? __run_timers+0x7da/0xc70 [ 464.188896] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.193394] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.197878] ? br_multicast_del_pg+0x790/0x790 [ 464.202452] ? lockdep_hardirqs_on+0x296/0x5b0 [ 464.207033] ? trace_hardirqs_on+0xbd/0x310 [ 464.211355] ? kasan_check_read+0x11/0x20 [ 464.215498] ? __run_timers+0x7da/0xc70 [ 464.219464] ? trace_hardirqs_off_caller+0x310/0x310 [ 464.224563] ? br_multicast_del_pg+0x790/0x790 [ 464.229162] ? br_multicast_del_pg+0x790/0x790 [ 464.233733] __run_timers+0x7e5/0xc70 [ 464.237532] ? timer_fixup_init+0x70/0x70 [ 464.241669] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.246156] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.250660] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 464.255239] ? trace_hardirqs_on+0xbd/0x310 [ 464.259876] ? kasan_check_read+0x11/0x20 [ 464.264016] ? finish_task_switch+0x1f4/0x910 [ 464.268505] ? trace_hardirqs_off_caller+0x310/0x310 [ 464.273600] ? compat_start_thread+0x80/0x80 [ 464.278038] ? pvclock_read_flags+0x160/0x160 [ 464.282535] ? __switch_to_asm+0x34/0x70 [ 464.286588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.292119] ? check_preemption_disabled+0x48/0x280 [ 464.297142] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 464.302676] ? rcu_pm_notify+0xc0/0xc0 [ 464.306556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.312093] ? check_preemption_disabled+0x48/0x280 [ 464.317110] run_timer_softirq+0x52/0xb0 [ 464.321182] ? rcu_read_lock_sched_held+0x14f/0x180 [ 464.326193] __do_softirq+0x308/0xb7e [ 464.330083] ? trace_hardirqs_on_caller+0xc0/0x310 [ 464.335010] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 464.340102] ? trace_hardirqs_on+0x310/0x310 [ 464.344514] ? schedule+0x108/0x460 [ 464.348142] ? trace_hardirqs_off+0xb8/0x310 [ 464.352562] ? smpboot_thread_fn+0x68b/0xa00 [ 464.357269] ? trace_hardirqs_on+0x310/0x310 [ 464.361673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.367205] ? check_preemption_disabled+0x48/0x280 [ 464.372231] ? takeover_tasklets+0xa90/0xa90 [ 464.376649] run_ksoftirqd+0x5e/0x100 [ 464.380448] smpboot_thread_fn+0x68b/0xa00 [ 464.384683] ? sort_range+0x30/0x30 [ 464.388302] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 464.393398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.398933] ? __kthread_parkme+0xfb/0x1a0 [ 464.403164] ? sort_range+0x30/0x30 [ 464.406784] kthread+0x35a/0x440 [ 464.410144] ? kthread_stop+0x900/0x900 [ 464.414113] ret_from_fork+0x3a/0x50 [ 464.417841] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 464.418248] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 464.424772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 464.435069] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 464.444404] Call Trace: [ 464.451616] [ 464.453767] dump_stack+0x244/0x39d [ 464.458350] ? dump_stack_print_info.cold.1+0x20/0x20 [ 464.463546] warn_alloc.cold.116+0xb7/0x1bd [ 464.467864] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 464.472703] ? lock_downgrade+0x900/0x900 [ 464.476850] ? trace_hardirqs_off+0xb8/0x310 [ 464.481258] ? trace_hardirqs_off+0xb8/0x310 [ 464.485667] __alloc_pages_slowpath+0x26e8/0x2e10 [ 464.490527] ? warn_alloc+0x120/0x120 [ 464.494328] ? print_usage_bug+0xc0/0xc0 [ 464.498385] ? warn_alloc+0x120/0x120 [ 464.502180] ? warn_alloc+0x120/0x120 [ 464.505975] ? print_usage_bug+0xc0/0xc0 [ 464.510040] ? kvm_clock_read+0x18/0x30 [ 464.514099] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 464.519106] ? print_usage_bug+0xc0/0xc0 [ 464.523176] ? __lock_acquire+0x62f/0x4c20 [ 464.527407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.532982] ? should_fail+0x22d/0xd01 [ 464.536861] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 464.542132] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.547224] ? __lock_acquire+0x62f/0x4c20 [ 464.551457] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.557293] ? __lock_acquire+0x62f/0x4c20 [ 464.561520] ? should_fail+0x22d/0xd01 [ 464.565393] ? rcu_irq_exit+0x1a2/0x390 [ 464.569368] ? mark_held_locks+0x130/0x130 [ 464.573598] ? mark_held_locks+0x130/0x130 [ 464.577821] ? try_to_wake_up+0x11c/0x1490 [ 464.582060] ? lock_downgrade+0x900/0x900 [ 464.586209] ? zap_class+0x640/0x640 [ 464.589914] ? print_usage_bug+0xc0/0xc0 [ 464.593969] ? trace_hardirqs_off+0xb8/0x310 [ 464.598374] ? kasan_check_read+0x11/0x20 [ 464.602517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.608058] ? check_preemption_disabled+0x48/0x280 [ 464.613075] ? __lock_is_held+0xb5/0x140 [ 464.617138] __alloc_pages_nodemask+0xa80/0xde0 [ 464.621808] ? zap_class+0x640/0x640 [ 464.625522] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 464.630547] ? find_held_lock+0x36/0x1c0 [ 464.634615] ? ____cache_alloc_node+0x1c7/0x1e0 [ 464.639282] ? lock_downgrade+0x900/0x900 [ 464.643432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.648967] cache_grow_begin+0xa5/0x8c0 [ 464.653031] ? do_raw_spin_unlock+0xa7/0x330 [ 464.658428] fallback_alloc+0x204/0x2e0 [ 464.662400] ____cache_alloc_node+0x1c7/0x1e0 [ 464.666894] kmem_cache_alloc_node+0xe3/0x730 [ 464.671386] ? ipv6_get_ifaddr+0x42e/0x620 [ 464.675622] __alloc_skb+0x119/0x770 [ 464.679325] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 464.684597] ? netdev_alloc_frag+0x1f0/0x1f0 [ 464.689003] ? lock_downgrade+0x900/0x900 [ 464.693161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.698695] ? refcount_sub_and_test_checked+0x203/0x310 [ 464.704145] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 464.709588] ? addrconf_rs_timer+0x690/0x690 [ 464.714007] ndisc_alloc_skb+0x144/0x340 [ 464.718070] ndisc_send_rs+0x331/0x6e0 [ 464.721958] addrconf_rs_timer+0x314/0x690 [ 464.726188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 464.730425] call_timer_fn+0x272/0x920 [ 464.734308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 464.738534] ? process_timeout+0x40/0x40 [ 464.742608] ? mark_held_locks+0xc7/0x130 [ 464.746747] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.751227] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.756029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 464.760257] ? lockdep_hardirqs_on+0x296/0x5b0 [ 464.764831] ? trace_hardirqs_on+0xbd/0x310 [ 464.769139] ? kasan_check_read+0x11/0x20 [ 464.773293] ? __run_timers+0x7da/0xc70 [ 464.777258] ? trace_hardirqs_off_caller+0x310/0x310 [ 464.782364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 464.786594] __run_timers+0x7e5/0xc70 [ 464.790395] ? timer_fixup_init+0x70/0x70 [ 464.794540] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 464.799553] ? zap_class+0x640/0x640 [ 464.803279] ? print_usage_bug+0xc0/0xc0 [ 464.807352] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 464.812550] ? find_held_lock+0x36/0x1c0 [ 464.816608] ? zap_class+0x640/0x640 [ 464.820321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.825857] ? check_preemption_disabled+0x48/0x280 [ 464.830877] ? __lock_is_held+0xb5/0x140 [ 464.834932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.840462] ? check_preemption_disabled+0x48/0x280 [ 464.845480] run_timer_softirq+0x52/0xb0 [ 464.849539] ? rcu_read_lock_sched_held+0x14f/0x180 [ 464.854551] __do_softirq+0x308/0xb7e [ 464.858931] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 464.863435] ? lock_downgrade+0x900/0x900 [ 464.867580] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 464.872681] ? pvclock_read_flags+0x160/0x160 [ 464.877170] ? lapic_next_event+0x5a/0x90 [ 464.881313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.886852] ? kvm_clock_read+0x18/0x30 [ 464.890818] ? kvm_sched_clock_read+0x9/0x20 [ 464.895252] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.900796] ? check_preemption_disabled+0x48/0x280 [ 464.905815] irq_exit+0x17f/0x1c0 [ 464.909260] smp_apic_timer_interrupt+0x1cb/0x760 [ 464.914090] ? smp_reschedule_interrupt+0x109/0x650 [ 464.919101] ? smp_call_function_single_interrupt+0x650/0x650 [ 464.924991] ? interrupt_entry+0xb5/0xc0 [ 464.929051] ? trace_hardirqs_off_caller+0xbb/0x310 [ 464.934065] ? trace_hardirqs_off_caller+0xbb/0x310 [ 464.939078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.943914] ? trace_hardirqs_on_caller+0x310/0x310 [ 464.948926] ? trace_hardirqs_on_caller+0x310/0x310 [ 464.953938] ? task_prio+0x50/0x50 [ 464.958227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.963766] ? check_preemption_disabled+0x48/0x280 [ 464.968803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.973643] apic_timer_interrupt+0xf/0x20 [ 464.977867] [ 464.980098] RIP: 0010:dump_stack+0x358/0x39d [ 464.984503] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 465.003399] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 465.011189] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 465.018449] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 465.025708] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 465.032971] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 465.040240] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 465.047553] ? dump_stack+0x34f/0x39d [ 465.051368] ? dump_stack_print_info.cold.1+0x20/0x20 [ 465.057537] ? mark_held_locks+0x130/0x130 [ 465.061763] ? mark_held_locks+0x130/0x130 [ 465.066004] dump_header+0x27b/0xf72 [ 465.069718] ? pagefault_out_of_memory+0x197/0x197 [ 465.074840] ? __lock_acquire+0x62f/0x4c20 [ 465.079069] ? percpu_ref_get_many+0x240/0x240 [ 465.083649] ? print_usage_bug+0xc0/0xc0 [ 465.087717] ? zap_class+0x640/0x640 [ 465.091424] ? print_usage_bug+0xc0/0xc0 [ 465.095479] ? print_usage_bug+0xc0/0xc0 [ 465.099539] ? zap_class+0x640/0x640 [ 465.103248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.108779] ? find_held_lock+0x36/0x1c0 [ 465.112843] ? mark_held_locks+0xc7/0x130 [ 465.116985] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 465.122084] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 465.127182] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 465.131753] ? trace_hardirqs_on+0xbd/0x310 [ 465.136064] ? kasan_check_read+0x11/0x20 [ 465.140204] ? ___ratelimit+0x3b4/0x672 [ 465.144188] ? trace_hardirqs_off_caller+0x310/0x310 [ 465.149289] ? trace_hardirqs_on+0x310/0x310 [ 465.153694] ? lock_downgrade+0x900/0x900 [ 465.158647] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 465.163741] ? ___ratelimit+0x3b9/0x672 [ 465.167711] ? idr_get_free+0xf70/0xf70 [ 465.171679] ? find_held_lock+0x36/0x1c0 [ 465.175739] oom_kill_process.cold.27+0x10/0x903 [ 465.180491] ? zap_class+0x640/0x640 [ 465.184205] ? check_preemption_disabled+0x48/0x280 [ 465.189216] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 465.194135] ? kasan_check_read+0x11/0x20 [ 465.198274] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 465.203540] ? oom_evaluate_task+0x540/0x540 [ 465.207944] ? find_held_lock+0x36/0x1c0 [ 465.212015] ? out_of_memory+0x974/0x1430 [ 465.216159] ? lock_downgrade+0x900/0x900 [ 465.220302] ? check_preemption_disabled+0x48/0x280 [ 465.225311] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 465.230231] ? kasan_check_read+0x11/0x20 [ 465.234381] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 465.239652] ? rcu_softirq_qs+0x20/0x20 [ 465.243623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.249153] ? oom_evaluate_task+0x302/0x540 [ 465.253567] out_of_memory+0xa84/0x1430 [ 465.257997] ? oom_killer_disable+0x3a0/0x3a0 [ 465.262485] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 465.267410] ? __ww_mutex_check_waiters+0x160/0x160 [ 465.272428] __alloc_pages_slowpath+0x2354/0x2e10 [ 465.277288] ? warn_alloc+0x120/0x120 [ 465.281080] ? mark_held_locks+0x130/0x130 [ 465.285310] ? find_get_entry+0xaae/0x1120 [ 465.289548] ? filemap_map_pages+0x1a20/0x1a20 [ 465.294139] ? zap_class+0x640/0x640 [ 465.297851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.303394] ? check_preemption_disabled+0x48/0x280 [ 465.308414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.313963] ? should_fail+0x22d/0xd01 [ 465.317856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 465.322955] ? zap_class+0x640/0x640 [ 465.326687] ? __lock_is_held+0xb5/0x140 [ 465.330749] ? mark_held_locks+0x130/0x130 [ 465.334991] ? lock_release+0xa00/0xa00 [ 465.338963] ? perf_trace_sched_process_exec+0x860/0x860 [ 465.344413] ? xa_load+0x2ba/0x460 [ 465.347952] ? lock_downgrade+0x900/0x900 [ 465.352106] ? __might_sleep+0x95/0x190 [ 465.356839] __alloc_pages_nodemask+0xa80/0xde0 [ 465.361513] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 465.366528] ? __page_cache_alloc+0x191/0x5c0 [ 465.371017] ? xa_load+0x2e1/0x460 [ 465.374547] ? xa_clear_mark+0x40/0x40 [ 465.378427] ? zap_class+0x640/0x640 [ 465.382141] ? zap_class+0x640/0x640 [ 465.385850] ? zap_class+0x640/0x640 [ 465.389558] ? __do_page_cache_readahead+0x663/0x810 [ 465.394664] ? find_held_lock+0x36/0x1c0 [ 465.398728] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 465.404264] alloc_pages_current+0x173/0x350 [ 465.408684] __page_cache_alloc+0x38c/0x5c0 [ 465.413005] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 465.417930] ? kasan_check_read+0x11/0x20 [ 465.422072] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 465.427344] ? generic_perform_write+0x6a0/0x6a0 [ 465.432097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.437633] ? check_preemption_disabled+0x48/0x280 [ 465.442647] filemap_fault+0x1595/0x25f0 [ 465.446709] ? __lock_page_or_retry+0xa00/0xa00 [ 465.451374] ? mark_held_locks+0x130/0x130 [ 465.456386] ? filemap_map_pages+0xd6b/0x1a20 [ 465.460877] ? lock_downgrade+0x900/0x900 [ 465.465023] ? check_preemption_disabled+0x48/0x280 [ 465.470037] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 465.474960] ? kasan_check_read+0x11/0x20 [ 465.479106] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 465.484372] ? rcu_softirq_qs+0x20/0x20 [ 465.488437] ? filemap_map_pages+0xd92/0x1a20 [ 465.492936] ? find_get_entries_tag+0x1400/0x1400 [ 465.497775] ? debug_object_destroy+0x2b0/0x2b0 [ 465.502454] ? lock_pi_update_atomic+0x150/0x150 [ 465.507205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.512745] ? lock_acquire+0x1ed/0x520 [ 465.516709] ? ext4_filemap_fault+0x7a/0xad [ 465.521021] ? lock_release+0xa00/0xa00 [ 465.524998] ? perf_trace_sched_process_exec+0x860/0x860 [ 465.530442] ? print_usage_bug+0xc0/0xc0 [ 465.534502] ? print_usage_bug+0xc0/0xc0 [ 465.538570] ? down_read+0x8d/0x120 [ 465.542183] ? ext4_filemap_fault+0x7a/0xad [ 465.546499] ? __down_interruptible+0x700/0x700 [ 465.551165] ext4_filemap_fault+0x82/0xad [ 465.556277] __do_fault+0x100/0x6b0 [ 465.559901] ? pmd_devmap_trans_unstable+0x220/0x220 [ 465.565003] ? mark_held_locks+0x130/0x130 [ 465.569249] ? mark_held_locks+0x130/0x130 [ 465.573485] ? do_raw_spin_trylock+0x270/0x270 [ 465.578065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.583598] __handle_mm_fault+0x3ea0/0x5be0 [ 465.587997] ? perf_trace_lock+0x7a0/0x7a0 [ 465.592235] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 465.597076] ? __switch_to_asm+0x34/0x70 [ 465.601131] ? __switch_to_asm+0x34/0x70 [ 465.605195] ? zap_class+0x640/0x640 [ 465.608905] ? zap_class+0x640/0x640 [ 465.612610] ? __x64_sys_futex+0x53e/0x6a0 [ 465.616844] ? find_held_lock+0x36/0x1c0 [ 465.620908] ? handle_mm_fault+0x42a/0xc70 [ 465.625142] ? lock_downgrade+0x900/0x900 [ 465.629281] ? check_preemption_disabled+0x48/0x280 [ 465.634293] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 465.639213] ? kasan_check_read+0x11/0x20 [ 465.643352] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 465.648626] ? rcu_softirq_qs+0x20/0x20 [ 465.652594] ? trace_hardirqs_off_caller+0x310/0x310 [ 465.658625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.664161] ? check_preemption_disabled+0x48/0x280 [ 465.669180] handle_mm_fault+0x54f/0xc70 [ 465.673244] ? __handle_mm_fault+0x5be0/0x5be0 [ 465.677829] ? find_vma+0x34/0x190 [ 465.681368] __do_page_fault+0x5e8/0xe60 [ 465.685421] ? trace_hardirqs_off+0xb8/0x310 [ 465.689830] do_page_fault+0xf2/0x7e0 [ 465.693629] ? vmalloc_sync_all+0x30/0x30 [ 465.697779] ? error_entry+0x70/0xd0 [ 465.701489] ? trace_hardirqs_off_caller+0xbb/0x310 [ 465.706504] ? trace_hardirqs_on_caller+0xc0/0x310 [ 465.711438] ? syscall_return_slowpath+0x5e0/0x5e0 [ 465.716355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.721191] ? trace_hardirqs_on_caller+0x310/0x310 [ 465.726203] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 465.731653] ? prepare_exit_to_usermode+0x291/0x3b0 [ 465.736662] ? page_fault+0x8/0x30 [ 465.740199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.745033] ? page_fault+0x8/0x30 [ 465.748569] page_fault+0x1e/0x30 [ 465.752013] RIP: 0033:0x45ddf3 [ 465.756001] Code: Bad RIP value. [ 465.759734] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 465.765089] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 465.772350] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 465.779614] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 465.786877] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 465.794137] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 465.801414] Mem-Info: [ 465.801425] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 465.801435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 465.803840] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 465.803840] active_file:12 inactive_file:13 isolated_file:0 [ 465.803840] unevictable:0 dirty:0 writeback:0 unstable:0 [ 465.803840] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 465.803840] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 465.803840] free:13705 free_pcp:178 free_cma:0 [ 465.810555] Call Trace: [ 465.819927] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 465.852777] dump_stack+0x244/0x39d [ 465.856257] Node 0 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 [ 465.884522] ? dump_stack_print_info.cold.1+0x20/0x20 [ 465.888108] lowmem_reserve[]: 0 2818 6321 6321 [ 465.914222] warn_alloc.cold.116+0xb7/0x1bd [ 465.919373] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 465.924173] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 465.928704] lowmem_reserve[]: 0 0 3503 3503 [ 465.956562] ? lock_downgrade+0x900/0x900 [ 465.961363] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 465.965675] ? trace_hardirqs_off+0xb8/0x310 [ 465.969784] lowmem_reserve[]: 0 0 0 0 [ 465.998834] ? trace_hardirqs_off+0xb8/0x310 [ 466.003209] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 466.007004] __alloc_pages_slowpath+0x26e8/0x2e10 [ 466.011371] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 466.024908] ? warn_alloc+0x120/0x120 [ 466.029699] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 466.044958] ? warn_alloc+0x120/0x120 [ 466.048727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 466.063324] ? warn_alloc+0x120/0x120 [ 466.067116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 466.075928] ? trace_hardirqs_off+0xb8/0x310 [ 466.079702] 366 total pagecache pages [ 466.088261] ? print_usage_bug+0xc0/0xc0 [ 466.092667] 0 pages in swap cache [ 466.096448] ? print_usage_bug+0xc0/0xc0 [ 466.100483] Swap cache stats: add 0, delete 0, find 0/0 [ 466.103924] ? __lock_acquire+0x62f/0x4c20 [ 466.107952] Free swap = 0kB [ 466.107959] Total swap = 0kB [ 466.113304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.117505] 1965979 pages RAM [ 466.120509] ? should_fail+0x22d/0xd01 [ 466.123497] 0 pages HighMem/MovableOnly [ 466.129018] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.132092] 342854 pages reserved [ 466.132099] 0 pages cma reserved [ 466.135978] ? __lock_acquire+0x62f/0x4c20 [ 466.139975] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 466.145007] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.145019] ? __lock_acquire+0x62f/0x4c20 [ 466.145033] ? should_fail+0x22d/0xd01 [ 466.148520] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 466.151816] ? mark_held_locks+0x130/0x130 [ 466.157022] syz-fuzzer cpuset=/ mems_allowed=0 [ 466.163503] ? mark_held_locks+0x130/0x130 [ 466.199859] ? zap_class+0x640/0x640 [ 466.203566] ? ret_from_fork+0x3a/0x50 [ 466.207461] ? __lock_acquire+0x62f/0x4c20 [ 466.211694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.217224] ? check_preemption_disabled+0x48/0x280 [ 466.222243] ? __lock_is_held+0xb5/0x140 [ 466.226300] __alloc_pages_nodemask+0xa80/0xde0 [ 466.231001] ? zap_class+0x640/0x640 [ 466.234712] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 466.239750] ? find_held_lock+0x36/0x1c0 [ 466.243818] ? ____cache_alloc_node+0x1c7/0x1e0 [ 466.248481] ? lock_downgrade+0x900/0x900 [ 466.252628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.258480] cache_grow_begin+0xa5/0x8c0 [ 466.262534] ? do_raw_spin_unlock+0xa7/0x330 [ 466.266955] fallback_alloc+0x204/0x2e0 [ 466.270944] ____cache_alloc_node+0x1c7/0x1e0 [ 466.275436] kmem_cache_alloc_node+0xe3/0x730 [ 466.279932] ? mark_held_locks+0xc7/0x130 [ 466.284086] __alloc_skb+0x119/0x770 [ 466.287808] ? netdev_alloc_frag+0x1f0/0x1f0 [ 466.292205] ? do_raw_spin_trylock+0x270/0x270 [ 466.296790] ? kmem_cache_alloc_trace+0x353/0x750 [ 466.301630] ? queue_work_on+0x12c/0x1e0 [ 466.305686] ? switchdev_port_obj_del+0xdc/0x440 [ 466.310436] ? switchdev_trans_item_enqueue+0x260/0x260 [ 466.315797] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 466.320814] __br_mdb_notify+0x4ff/0x15d0 [ 466.324961] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 466.330067] ? __br_mdb_add+0x7f0/0x7f0 [ 466.334039] ? mark_held_locks+0x130/0x130 [ 466.338272] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 466.343375] ? debug_object_assert_init+0x368/0x4b0 [ 466.348389] ? debug_object_init_on_stack+0x20/0x20 [ 466.353410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.359242] br_mdb_notify+0x310/0x410 [ 466.363127] ? br_mdb_dump+0x27b0/0x27b0 [ 466.367190] br_multicast_del_pg+0x3df/0x790 [ 466.371590] ? br_mdb_ip_get+0x940/0x940 [ 466.375765] ? rwlock_bug.part.2+0x90/0x90 [ 466.379994] ? __lock_is_held+0xb5/0x140 [ 466.384062] br_multicast_port_group_expired+0x189/0x1e0 [ 466.389508] call_timer_fn+0x272/0x920 [ 466.393391] ? br_multicast_del_pg+0x790/0x790 [ 466.397966] ? process_timeout+0x40/0x40 [ 466.402037] ? __run_timers+0x7da/0xc70 [ 466.406007] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.410497] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.414989] ? br_multicast_del_pg+0x790/0x790 [ 466.419563] ? lockdep_hardirqs_on+0x296/0x5b0 [ 466.424142] ? trace_hardirqs_on+0xbd/0x310 [ 466.428456] ? kasan_check_read+0x11/0x20 [ 466.432597] ? __run_timers+0x7da/0xc70 [ 466.436565] ? trace_hardirqs_off_caller+0x310/0x310 [ 466.441668] ? br_multicast_del_pg+0x790/0x790 [ 466.446266] ? br_multicast_del_pg+0x790/0x790 [ 466.450851] __run_timers+0x7e5/0xc70 [ 466.454651] ? timer_fixup_init+0x70/0x70 [ 466.459115] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.463601] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.468086] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 466.472659] ? trace_hardirqs_on+0xbd/0x310 [ 466.477059] ? kasan_check_read+0x11/0x20 [ 466.481200] ? finish_task_switch+0x1f4/0x910 [ 466.485690] ? trace_hardirqs_off_caller+0x310/0x310 [ 466.490783] ? compat_start_thread+0x80/0x80 [ 466.495222] ? pvclock_read_flags+0x160/0x160 [ 466.499712] ? __switch_to_asm+0x34/0x70 [ 466.503768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.509301] ? check_preemption_disabled+0x48/0x280 [ 466.514319] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 466.519854] ? rcu_pm_notify+0xc0/0xc0 [ 466.523735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.529284] ? check_preemption_disabled+0x48/0x280 [ 466.534300] run_timer_softirq+0x52/0xb0 [ 466.538352] ? rcu_read_lock_sched_held+0x14f/0x180 [ 466.543371] __do_softirq+0x308/0xb7e [ 466.547161] ? trace_hardirqs_on_caller+0xc0/0x310 [ 466.552084] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 466.557477] ? trace_hardirqs_on+0x310/0x310 [ 466.561882] ? schedule+0x108/0x460 [ 466.565517] ? trace_hardirqs_off+0xb8/0x310 [ 466.569932] ? smpboot_thread_fn+0x68b/0xa00 [ 466.574334] ? trace_hardirqs_on+0x310/0x310 [ 466.578744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.584274] ? check_preemption_disabled+0x48/0x280 [ 466.589282] ? takeover_tasklets+0xa90/0xa90 [ 466.593687] run_ksoftirqd+0x5e/0x100 [ 466.597480] smpboot_thread_fn+0x68b/0xa00 [ 466.601709] ? sort_range+0x30/0x30 [ 466.605329] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 466.610424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.615954] ? __kthread_parkme+0xfb/0x1a0 [ 466.620180] ? sort_range+0x30/0x30 [ 466.623797] kthread+0x35a/0x440 [ 466.627157] ? kthread_stop+0x900/0x900 [ 466.631127] ret_from_fork+0x3a/0x50 [ 466.634848] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 466.634996] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 466.641771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 466.652053] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 466.661879] Call Trace: [ 466.669102] [ 466.671250] dump_stack+0x244/0x39d [ 466.674878] ? dump_stack_print_info.cold.1+0x20/0x20 [ 466.680081] warn_alloc.cold.116+0xb7/0x1bd [ 466.684400] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 466.689242] ? lock_downgrade+0x900/0x900 [ 466.693389] ? trace_hardirqs_off+0xb8/0x310 [ 466.697800] ? trace_hardirqs_off+0xb8/0x310 [ 466.702207] __alloc_pages_slowpath+0x26e8/0x2e10 [ 466.707071] ? warn_alloc+0x120/0x120 [ 466.710867] ? print_usage_bug+0xc0/0xc0 [ 466.714929] ? warn_alloc+0x120/0x120 [ 466.718735] ? warn_alloc+0x120/0x120 [ 466.722533] ? print_usage_bug+0xc0/0xc0 [ 466.726589] ? print_usage_bug+0xc0/0xc0 [ 466.730647] ? __lock_acquire+0x62f/0x4c20 [ 466.734879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.740419] ? should_fail+0x22d/0xd01 [ 466.744307] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.749409] ? __lock_acquire+0x62f/0x4c20 [ 466.753641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.759669] ? __lock_acquire+0x62f/0x4c20 [ 466.763931] ? should_fail+0x22d/0xd01 [ 466.767812] ? find_held_lock+0x36/0x1c0 [ 466.771876] ? mark_held_locks+0x130/0x130 [ 466.776117] ? mark_held_locks+0x130/0x130 [ 466.780358] ? try_to_wake_up+0x11c/0x1490 [ 466.784588] ? lock_downgrade+0x900/0x900 [ 466.788748] ? zap_class+0x640/0x640 [ 466.792468] ? print_usage_bug+0xc0/0xc0 [ 466.796521] ? trace_hardirqs_off+0xb8/0x310 [ 466.800923] ? kasan_check_read+0x11/0x20 [ 466.805066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.810597] ? check_preemption_disabled+0x48/0x280 [ 466.815632] ? __lock_is_held+0xb5/0x140 [ 466.819691] __alloc_pages_nodemask+0xa80/0xde0 [ 466.824352] ? zap_class+0x640/0x640 [ 466.828063] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 466.833083] ? find_held_lock+0x36/0x1c0 [ 466.837149] ? ____cache_alloc_node+0x1c7/0x1e0 [ 466.841814] ? lock_downgrade+0x900/0x900 [ 466.845969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.851504] cache_grow_begin+0xa5/0x8c0 [ 466.856547] ? do_raw_spin_unlock+0xa7/0x330 [ 466.860959] fallback_alloc+0x204/0x2e0 [ 466.864932] ____cache_alloc_node+0x1c7/0x1e0 [ 466.869429] kmem_cache_alloc_node+0xe3/0x730 [ 466.873917] ? ipv6_get_ifaddr+0x42e/0x620 [ 466.878155] __alloc_skb+0x119/0x770 [ 466.881864] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 466.887144] ? netdev_alloc_frag+0x1f0/0x1f0 [ 466.891548] ? lock_downgrade+0x900/0x900 [ 466.895695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.901225] ? refcount_sub_and_test_checked+0x203/0x310 [ 466.906670] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 466.912127] ? addrconf_rs_timer+0x690/0x690 [ 466.916536] ndisc_alloc_skb+0x144/0x340 [ 466.920591] ndisc_send_rs+0x331/0x6e0 [ 466.924479] addrconf_rs_timer+0x314/0x690 [ 466.928714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 466.932953] call_timer_fn+0x272/0x920 [ 466.936837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 466.941069] ? process_timeout+0x40/0x40 [ 466.945135] ? mark_held_locks+0xc7/0x130 [ 466.949279] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.953766] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.959049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 466.963282] ? lockdep_hardirqs_on+0x296/0x5b0 [ 466.967861] ? trace_hardirqs_on+0xbd/0x310 [ 466.972180] ? kasan_check_read+0x11/0x20 [ 466.976322] ? __run_timers+0x7da/0xc70 [ 466.980290] ? trace_hardirqs_off_caller+0x310/0x310 [ 466.985402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 466.989633] __run_timers+0x7e5/0xc70 [ 466.993440] ? timer_fixup_init+0x70/0x70 [ 466.997587] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 467.002596] ? zap_class+0x640/0x640 [ 467.006311] ? print_usage_bug+0xc0/0xc0 [ 467.010369] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 467.015560] ? find_held_lock+0x36/0x1c0 [ 467.019620] ? zap_class+0x640/0x640 [ 467.023331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.028865] ? check_preemption_disabled+0x48/0x280 [ 467.033894] ? __lock_is_held+0xb5/0x140 [ 467.037955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.043488] ? check_preemption_disabled+0x48/0x280 [ 467.048503] run_timer_softirq+0x52/0xb0 [ 467.052560] ? rcu_read_lock_sched_held+0x14f/0x180 [ 467.058042] __do_softirq+0x308/0xb7e [ 467.061843] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 467.066334] ? lock_downgrade+0x900/0x900 [ 467.070476] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 467.075584] ? pvclock_read_flags+0x160/0x160 [ 467.080078] ? lapic_next_event+0x5a/0x90 [ 467.084220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.089757] ? kvm_clock_read+0x18/0x30 [ 467.093729] ? kvm_sched_clock_read+0x9/0x20 [ 467.098131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.103666] ? check_preemption_disabled+0x48/0x280 [ 467.108683] irq_exit+0x17f/0x1c0 [ 467.112132] smp_apic_timer_interrupt+0x1cb/0x760 [ 467.116964] ? smp_reschedule_interrupt+0x109/0x650 [ 467.121977] ? smp_call_function_single_interrupt+0x650/0x650 [ 467.127852] ? interrupt_entry+0xb5/0xc0 [ 467.131913] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.136920] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.141943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.146780] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.151788] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.157564] ? task_prio+0x50/0x50 [ 467.161099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.166628] ? check_preemption_disabled+0x48/0x280 [ 467.171641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.176489] apic_timer_interrupt+0xf/0x20 [ 467.180714] [ 467.182951] RIP: 0010:dump_stack+0x358/0x39d [ 467.187357] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 467.206251] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 467.213961] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 467.221223] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 467.228487] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 467.235746] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 467.243006] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 467.250280] ? dump_stack+0x34f/0x39d [ 467.254089] ? dump_stack_print_info.cold.1+0x20/0x20 [ 467.260098] ? mark_held_locks+0x130/0x130 [ 467.264327] ? mark_held_locks+0x130/0x130 [ 467.268559] dump_header+0x27b/0xf72 [ 467.272277] ? pagefault_out_of_memory+0x197/0x197 [ 467.277204] ? __lock_acquire+0x62f/0x4c20 [ 467.281433] ? percpu_ref_get_many+0x240/0x240 [ 467.286015] ? print_usage_bug+0xc0/0xc0 [ 467.290079] ? zap_class+0x640/0x640 [ 467.293789] ? print_usage_bug+0xc0/0xc0 [ 467.297844] ? print_usage_bug+0xc0/0xc0 [ 467.301906] ? zap_class+0x640/0x640 [ 467.305620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.311183] ? find_held_lock+0x36/0x1c0 [ 467.315252] ? mark_held_locks+0xc7/0x130 [ 467.319401] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 467.324499] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 467.329596] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 467.334176] ? trace_hardirqs_on+0xbd/0x310 [ 467.338497] ? kasan_check_read+0x11/0x20 [ 467.342643] ? ___ratelimit+0x3b4/0x672 [ 467.346617] ? trace_hardirqs_off_caller+0x310/0x310 [ 467.351714] ? trace_hardirqs_on+0x310/0x310 [ 467.356882] ? lock_downgrade+0x900/0x900 [ 467.361031] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 467.366127] ? ___ratelimit+0x3b9/0x672 [ 467.370098] ? idr_get_free+0xf70/0xf70 [ 467.374082] ? find_held_lock+0x36/0x1c0 [ 467.378148] oom_kill_process.cold.27+0x10/0x903 [ 467.382898] ? zap_class+0x640/0x640 [ 467.386621] ? check_preemption_disabled+0x48/0x280 [ 467.391632] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 467.396557] ? kasan_check_read+0x11/0x20 [ 467.400697] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.405967] ? oom_evaluate_task+0x540/0x540 [ 467.410375] ? find_held_lock+0x36/0x1c0 [ 467.414441] ? out_of_memory+0x974/0x1430 [ 467.418584] ? lock_downgrade+0x900/0x900 [ 467.422724] ? check_preemption_disabled+0x48/0x280 [ 467.427740] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 467.432674] ? kasan_check_read+0x11/0x20 [ 467.436814] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.442090] ? rcu_softirq_qs+0x20/0x20 [ 467.446058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.451587] ? oom_evaluate_task+0x302/0x540 [ 467.456768] out_of_memory+0xa84/0x1430 [ 467.460754] ? oom_killer_disable+0x3a0/0x3a0 [ 467.465329] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 467.470256] ? __ww_mutex_check_waiters+0x160/0x160 [ 467.475277] __alloc_pages_slowpath+0x2354/0x2e10 [ 467.480141] ? warn_alloc+0x120/0x120 [ 467.483934] ? mark_held_locks+0x130/0x130 [ 467.488166] ? find_get_entry+0xaae/0x1120 [ 467.492406] ? filemap_map_pages+0x1a20/0x1a20 [ 467.496989] ? zap_class+0x640/0x640 [ 467.500701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.506237] ? check_preemption_disabled+0x48/0x280 [ 467.511247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.516785] ? should_fail+0x22d/0xd01 [ 467.520692] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 467.525788] ? zap_class+0x640/0x640 [ 467.529517] ? __lock_is_held+0xb5/0x140 [ 467.533580] ? mark_held_locks+0x130/0x130 [ 467.537811] ? lock_release+0xa00/0xa00 [ 467.541785] ? perf_trace_sched_process_exec+0x860/0x860 [ 467.547228] ? xa_load+0x2ba/0x460 [ 467.550764] ? lock_downgrade+0x900/0x900 [ 467.554912] ? __might_sleep+0x95/0x190 [ 467.559146] __alloc_pages_nodemask+0xa80/0xde0 [ 467.563815] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 467.568831] ? __page_cache_alloc+0x191/0x5c0 [ 467.573326] ? xa_load+0x2e1/0x460 [ 467.576874] ? xa_clear_mark+0x40/0x40 [ 467.580759] ? zap_class+0x640/0x640 [ 467.584470] ? zap_class+0x640/0x640 [ 467.588174] ? zap_class+0x640/0x640 [ 467.591898] ? __do_page_cache_readahead+0x663/0x810 [ 467.596997] ? find_held_lock+0x36/0x1c0 [ 467.601056] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 467.606594] alloc_pages_current+0x173/0x350 [ 467.611004] __page_cache_alloc+0x38c/0x5c0 [ 467.615319] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 467.620245] ? kasan_check_read+0x11/0x20 [ 467.624387] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.629663] ? generic_perform_write+0x6a0/0x6a0 [ 467.634413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.639948] ? check_preemption_disabled+0x48/0x280 [ 467.644965] filemap_fault+0x1595/0x25f0 [ 467.649031] ? __lock_page_or_retry+0xa00/0xa00 [ 467.653697] ? mark_held_locks+0x130/0x130 [ 467.658677] ? filemap_map_pages+0xd6b/0x1a20 [ 467.663171] ? lock_downgrade+0x900/0x900 [ 467.667312] ? check_preemption_disabled+0x48/0x280 [ 467.672327] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 467.677272] ? kasan_check_read+0x11/0x20 [ 467.681416] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.686684] ? rcu_softirq_qs+0x20/0x20 [ 467.690662] ? filemap_map_pages+0xd92/0x1a20 [ 467.695161] ? find_get_entries_tag+0x1400/0x1400 [ 467.700004] ? debug_object_destroy+0x2b0/0x2b0 [ 467.704679] ? lock_pi_update_atomic+0x150/0x150 [ 467.709430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.714975] ? lock_acquire+0x1ed/0x520 [ 467.718945] ? ext4_filemap_fault+0x7a/0xad [ 467.723277] ? lock_release+0xa00/0xa00 [ 467.727247] ? perf_trace_sched_process_exec+0x860/0x860 [ 467.732695] ? print_usage_bug+0xc0/0xc0 [ 467.736754] ? print_usage_bug+0xc0/0xc0 [ 467.740819] ? down_read+0x8d/0x120 [ 467.744447] ? ext4_filemap_fault+0x7a/0xad [ 467.748761] ? __down_interruptible+0x700/0x700 [ 467.753432] ext4_filemap_fault+0x82/0xad [ 467.758304] __do_fault+0x100/0x6b0 [ 467.761935] ? pmd_devmap_trans_unstable+0x220/0x220 [ 467.767034] ? mark_held_locks+0x130/0x130 [ 467.771265] ? mark_held_locks+0x130/0x130 [ 467.775495] ? do_raw_spin_trylock+0x270/0x270 [ 467.780081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.785618] __handle_mm_fault+0x3ea0/0x5be0 [ 467.790021] ? perf_trace_lock+0x7a0/0x7a0 [ 467.794267] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 467.799111] ? __switch_to_asm+0x34/0x70 [ 467.803162] ? __switch_to_asm+0x34/0x70 [ 467.807231] ? zap_class+0x640/0x640 [ 467.810937] ? zap_class+0x640/0x640 [ 467.814649] ? __x64_sys_futex+0x53e/0x6a0 [ 467.818881] ? find_held_lock+0x36/0x1c0 [ 467.822943] ? handle_mm_fault+0x42a/0xc70 [ 467.827177] ? lock_downgrade+0x900/0x900 [ 467.831319] ? check_preemption_disabled+0x48/0x280 [ 467.836333] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 467.841259] ? kasan_check_read+0x11/0x20 [ 467.845398] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.850667] ? rcu_softirq_qs+0x20/0x20 [ 467.854639] ? trace_hardirqs_off_caller+0x310/0x310 [ 467.860751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.866283] ? check_preemption_disabled+0x48/0x280 [ 467.871298] handle_mm_fault+0x54f/0xc70 [ 467.875358] ? __handle_mm_fault+0x5be0/0x5be0 [ 467.879953] ? find_vma+0x34/0x190 [ 467.883502] __do_page_fault+0x5e8/0xe60 [ 467.887553] ? trace_hardirqs_off+0xb8/0x310 [ 467.891968] do_page_fault+0xf2/0x7e0 [ 467.895763] ? vmalloc_sync_all+0x30/0x30 [ 467.899904] ? error_entry+0x70/0xd0 [ 467.903627] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.908637] ? trace_hardirqs_on_caller+0xc0/0x310 [ 467.913558] ? syscall_return_slowpath+0x5e0/0x5e0 [ 467.918477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.923313] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.928833] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 467.934287] ? prepare_exit_to_usermode+0x291/0x3b0 [ 467.939296] ? page_fault+0x8/0x30 [ 467.942835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.947674] ? page_fault+0x8/0x30 [ 467.951207] page_fault+0x1e/0x30 [ 467.954650] RIP: 0033:0x45ddf3 [ 467.958589] Code: Bad RIP value. [ 467.961942] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 467.967299] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 467.974559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 467.981824] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 467.989086] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 467.996347] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 468.003645] warn_alloc_show_mem: 1 callbacks suppressed [ 468.003653] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 468.003655] Mem-Info: [ 468.003685] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 468.003685] active_file:12 inactive_file:13 isolated_file:0 [ 468.003685] unevictable:0 dirty:0 writeback:0 unstable:0 [ 468.003685] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 468.003685] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 468.003685] free:13705 free_pcp:178 free_cma:0 [ 468.009016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 468.015763] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 468.018153] Call Trace: [ 468.051005] Node 0 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 [ 468.060681] dump_stack+0x244/0x39d [ 468.088315] lowmem_reserve[]: 0 2818 6321 6321 [ 468.090893] ? dump_stack_print_info.cold.1+0x20/0x20 [ 468.116971] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 468.120598] warn_alloc.cold.116+0xb7/0x1bd [ 468.125142] lowmem_reserve[]: 0 0 3503 3503 [ 468.130317] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 468.158714] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 468.163033] ? lock_downgrade+0x900/0x900 [ 468.167323] lowmem_reserve[]: 0 0 0 0 [ 468.172158] ? trace_hardirqs_off+0xb8/0x310 [ 468.201095] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 468.205235] ? trace_hardirqs_off+0xb8/0x310 [ 468.209000] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 468.213402] __alloc_pages_slowpath+0x26e8/0x2e10 [ 468.226884] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 468.231312] ? warn_alloc+0x120/0x120 [ 468.246542] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 468.251368] ? warn_alloc+0x120/0x120 [ 468.266348] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 468.270135] ? warn_alloc+0x120/0x120 [ 468.278936] 366 total pagecache pages [ 468.282723] ? trace_hardirqs_off+0xb8/0x310 [ 468.291274] 0 pages in swap cache [ 468.295052] ? print_usage_bug+0xc0/0xc0 [ 468.298824] Swap cache stats: add 0, delete 0, find 0/0 [ 468.303214] ? print_usage_bug+0xc0/0xc0 [ 468.306633] Free swap = 0kB [ 468.310685] ? __lock_acquire+0x62f/0x4c20 [ 468.316018] Total swap = 0kB [ 468.320065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 468.323145] 1965979 pages RAM [ 468.327363] ? should_fail+0x22d/0xd01 [ 468.330344] 0 pages HighMem/MovableOnly [ 468.330351] 342854 pages reserved [ 468.335875] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 468.338948] 0 pages cma reserved [ 468.342826] ? __lock_acquire+0x62f/0x4c20 [ 468.346847] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 468.350214] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 468.356182] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 468.359457] ? __lock_acquire+0x62f/0x4c20 [ 468.363665] syz-fuzzer cpuset=/ mems_allowed=0 [ 468.370144] ? should_fail+0x22d/0xd01 [ 468.398084] ? mark_held_locks+0x130/0x130 [ 468.402406] ? mark_held_locks+0x130/0x130 [ 468.406643] ? zap_class+0x640/0x640 [ 468.410348] ? ret_from_fork+0x3a/0x50 [ 468.414227] ? __lock_acquire+0x62f/0x4c20 [ 468.418457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.423988] ? check_preemption_disabled+0x48/0x280 [ 468.429022] ? __lock_is_held+0xb5/0x140 [ 468.433103] __alloc_pages_nodemask+0xa80/0xde0 [ 468.437764] ? zap_class+0x640/0x640 [ 468.441484] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 468.446504] ? find_held_lock+0x36/0x1c0 [ 468.450566] ? ____cache_alloc_node+0x1c7/0x1e0 [ 468.455524] ? lock_downgrade+0x900/0x900 [ 468.459667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.465206] cache_grow_begin+0xa5/0x8c0 [ 468.469265] ? do_raw_spin_unlock+0xa7/0x330 [ 468.473676] fallback_alloc+0x204/0x2e0 [ 468.477653] ____cache_alloc_node+0x1c7/0x1e0 [ 468.482154] kmem_cache_alloc_node+0xe3/0x730 [ 468.486642] ? mark_held_locks+0xc7/0x130 [ 468.490803] __alloc_skb+0x119/0x770 [ 468.494519] ? netdev_alloc_frag+0x1f0/0x1f0 [ 468.498922] ? do_raw_spin_trylock+0x270/0x270 [ 468.503495] ? kmem_cache_alloc_trace+0x353/0x750 [ 468.508346] ? queue_work_on+0x12c/0x1e0 [ 468.512407] ? switchdev_port_obj_del+0xdc/0x440 [ 468.517157] ? switchdev_trans_item_enqueue+0x260/0x260 [ 468.522515] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 468.527533] __br_mdb_notify+0x4ff/0x15d0 [ 468.531676] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 468.536788] ? __br_mdb_add+0x7f0/0x7f0 [ 468.540796] ? mark_held_locks+0x130/0x130 [ 468.545032] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 468.550129] ? debug_object_assert_init+0x368/0x4b0 [ 468.555326] ? debug_object_init_on_stack+0x20/0x20 [ 468.560333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.565872] br_mdb_notify+0x310/0x410 [ 468.569756] ? br_mdb_dump+0x27b0/0x27b0 [ 468.573845] br_multicast_del_pg+0x3df/0x790 [ 468.578251] ? br_mdb_ip_get+0x940/0x940 [ 468.582305] ? rwlock_bug.part.2+0x90/0x90 [ 468.586539] ? __lock_is_held+0xb5/0x140 [ 468.590598] br_multicast_port_group_expired+0x189/0x1e0 [ 468.596042] call_timer_fn+0x272/0x920 [ 468.599926] ? br_multicast_del_pg+0x790/0x790 [ 468.604527] ? process_timeout+0x40/0x40 [ 468.608592] ? __run_timers+0x7da/0xc70 [ 468.612561] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.617051] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.621537] ? br_multicast_del_pg+0x790/0x790 [ 468.626112] ? lockdep_hardirqs_on+0x296/0x5b0 [ 468.630693] ? trace_hardirqs_on+0xbd/0x310 [ 468.635017] ? kasan_check_read+0x11/0x20 [ 468.639155] ? __run_timers+0x7da/0xc70 [ 468.643127] ? trace_hardirqs_off_caller+0x310/0x310 [ 468.648233] ? br_multicast_del_pg+0x790/0x790 [ 468.652818] ? br_multicast_del_pg+0x790/0x790 [ 468.657674] __run_timers+0x7e5/0xc70 [ 468.661492] ? timer_fixup_init+0x70/0x70 [ 468.665632] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.670118] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.674612] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 468.679190] ? trace_hardirqs_on+0xbd/0x310 [ 468.683503] ? kasan_check_read+0x11/0x20 [ 468.687649] ? finish_task_switch+0x1f4/0x910 [ 468.692142] ? trace_hardirqs_off_caller+0x310/0x310 [ 468.697236] ? compat_start_thread+0x80/0x80 [ 468.701657] ? pvclock_read_flags+0x160/0x160 [ 468.706145] ? __switch_to_asm+0x34/0x70 [ 468.710201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.715742] ? check_preemption_disabled+0x48/0x280 [ 468.720773] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 468.726311] ? rcu_pm_notify+0xc0/0xc0 [ 468.730192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.735723] ? check_preemption_disabled+0x48/0x280 [ 468.740736] run_timer_softirq+0x52/0xb0 [ 468.744804] ? rcu_read_lock_sched_held+0x14f/0x180 [ 468.749814] __do_softirq+0x308/0xb7e [ 468.753611] ? trace_hardirqs_on_caller+0xc0/0x310 [ 468.758823] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 468.763923] ? trace_hardirqs_on+0x310/0x310 [ 468.768331] ? schedule+0x108/0x460 [ 468.771965] ? trace_hardirqs_off+0xb8/0x310 [ 468.776371] ? smpboot_thread_fn+0x68b/0xa00 [ 468.780783] ? trace_hardirqs_on+0x310/0x310 [ 468.785186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 468.790719] ? check_preemption_disabled+0x48/0x280 [ 468.795727] ? takeover_tasklets+0xa90/0xa90 [ 468.800136] run_ksoftirqd+0x5e/0x100 [ 468.803931] smpboot_thread_fn+0x68b/0xa00 [ 468.808162] ? sort_range+0x30/0x30 [ 468.811792] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 468.816890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 468.822425] ? __kthread_parkme+0xfb/0x1a0 [ 468.826655] ? sort_range+0x30/0x30 [ 468.830272] kthread+0x35a/0x440 [ 468.833633] ? kthread_stop+0x900/0x900 [ 468.837618] ret_from_fork+0x3a/0x50 [ 468.841340] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 468.841491] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 468.848276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 468.858889] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 468.868224] Call Trace: [ 468.875436] [ 468.877589] dump_stack+0x244/0x39d [ 468.881218] ? dump_stack_print_info.cold.1+0x20/0x20 [ 468.886418] warn_alloc.cold.116+0xb7/0x1bd [ 468.890735] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 468.895580] ? lock_downgrade+0x900/0x900 [ 468.899733] ? trace_hardirqs_off+0xb8/0x310 [ 468.904144] ? trace_hardirqs_off+0xb8/0x310 [ 468.908553] __alloc_pages_slowpath+0x26e8/0x2e10 [ 468.913417] ? warn_alloc+0x120/0x120 [ 468.917217] ? print_usage_bug+0xc0/0xc0 [ 468.921276] ? warn_alloc+0x120/0x120 [ 468.925072] ? warn_alloc+0x120/0x120 [ 468.928867] ? print_usage_bug+0xc0/0xc0 [ 468.932921] ? kvm_clock_read+0x18/0x30 [ 468.936895] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 468.941907] ? print_usage_bug+0xc0/0xc0 [ 468.945961] ? __lock_acquire+0x62f/0x4c20 [ 468.950192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 468.956493] ? should_fail+0x22d/0xd01 [ 468.960372] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 468.965645] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 468.970740] ? __lock_acquire+0x62f/0x4c20 [ 468.974978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 468.980077] ? __lock_acquire+0x62f/0x4c20 [ 468.984306] ? should_fail+0x22d/0xd01 [ 468.988183] ? rcu_irq_exit+0x1a2/0x390 [ 468.992168] ? mark_held_locks+0x130/0x130 [ 468.996414] ? mark_held_locks+0x130/0x130 [ 469.000647] ? mark_held_locks+0xc7/0x130 [ 469.004788] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 469.009799] ? zap_class+0x640/0x640 [ 469.013504] ? print_usage_bug+0xc0/0xc0 [ 469.017566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.023100] ? check_preemption_disabled+0x48/0x280 [ 469.028115] ? __lock_is_held+0xb5/0x140 [ 469.032174] __alloc_pages_nodemask+0xa80/0xde0 [ 469.036838] ? zap_class+0x640/0x640 [ 469.040549] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 469.045569] ? find_held_lock+0x36/0x1c0 [ 469.049629] ? ____cache_alloc_node+0x1c7/0x1e0 [ 469.054292] ? lock_downgrade+0x900/0x900 [ 469.059182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.064716] cache_grow_begin+0xa5/0x8c0 [ 469.068780] ? do_raw_spin_unlock+0xa7/0x330 [ 469.073190] fallback_alloc+0x204/0x2e0 [ 469.077162] ____cache_alloc_node+0x1c7/0x1e0 [ 469.081673] kmem_cache_alloc_node+0xe3/0x730 [ 469.086162] ? ipv6_get_ifaddr+0x42e/0x620 [ 469.090405] __alloc_skb+0x119/0x770 [ 469.094110] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 469.099384] ? netdev_alloc_frag+0x1f0/0x1f0 [ 469.103788] ? lock_downgrade+0x900/0x900 [ 469.107939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.113470] ? refcount_sub_and_test_checked+0x203/0x310 [ 469.118921] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 469.124365] ? addrconf_rs_timer+0x690/0x690 [ 469.128779] ndisc_alloc_skb+0x144/0x340 [ 469.132842] ndisc_send_rs+0x331/0x6e0 [ 469.136731] addrconf_rs_timer+0x314/0x690 [ 469.140974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.145215] call_timer_fn+0x272/0x920 [ 469.149094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.153321] ? process_timeout+0x40/0x40 [ 469.158309] ? mark_held_locks+0xc7/0x130 [ 469.162451] ? _raw_spin_unlock_irq+0x27/0x80 [ 469.166936] ? _raw_spin_unlock_irq+0x27/0x80 [ 469.171422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.175650] ? lockdep_hardirqs_on+0x296/0x5b0 [ 469.180228] ? trace_hardirqs_on+0xbd/0x310 [ 469.184543] ? kasan_check_read+0x11/0x20 [ 469.188687] ? __run_timers+0x7da/0xc70 [ 469.192661] ? trace_hardirqs_off_caller+0x310/0x310 [ 469.197768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.202001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.206227] __run_timers+0x7e5/0xc70 [ 469.210036] ? timer_fixup_init+0x70/0x70 [ 469.214180] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 469.219188] ? zap_class+0x640/0x640 [ 469.222898] ? print_usage_bug+0xc0/0xc0 [ 469.226953] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 469.232144] ? find_held_lock+0x36/0x1c0 [ 469.236206] ? zap_class+0x640/0x640 [ 469.239924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.245454] ? check_preemption_disabled+0x48/0x280 [ 469.250472] ? __lock_is_held+0xb5/0x140 [ 469.254528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.260588] ? check_preemption_disabled+0x48/0x280 [ 469.265604] run_timer_softirq+0x52/0xb0 [ 469.269661] ? rcu_read_lock_sched_held+0x14f/0x180 [ 469.274671] __do_softirq+0x308/0xb7e [ 469.278474] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 469.282961] ? lock_downgrade+0x900/0x900 [ 469.287105] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 469.292208] ? pvclock_read_flags+0x160/0x160 [ 469.296703] ? lapic_next_event+0x5a/0x90 [ 469.300855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.306388] ? kvm_clock_read+0x18/0x30 [ 469.310359] ? kvm_sched_clock_read+0x9/0x20 [ 469.314765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 469.320415] ? check_preemption_disabled+0x48/0x280 [ 469.325437] irq_exit+0x17f/0x1c0 [ 469.328890] smp_apic_timer_interrupt+0x1cb/0x760 [ 469.333737] ? smp_reschedule_interrupt+0x109/0x650 [ 469.338750] ? smp_call_function_single_interrupt+0x650/0x650 [ 469.344625] ? interrupt_entry+0xb5/0xc0 [ 469.348689] ? trace_hardirqs_off_caller+0xbb/0x310 [ 469.353694] ? trace_hardirqs_off_caller+0xbb/0x310 [ 469.359141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.363977] ? trace_hardirqs_on_caller+0x310/0x310 [ 469.368987] ? trace_hardirqs_on_caller+0x310/0x310 [ 469.373996] ? task_prio+0x50/0x50 [ 469.377533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.383066] ? check_preemption_disabled+0x48/0x280 [ 469.388082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.392925] apic_timer_interrupt+0xf/0x20 [ 469.397148] [ 469.399379] RIP: 0010:dump_stack+0x358/0x39d [ 469.403787] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 5e fb f9 48 83 3d c9 81 8a 01 00 0f 84 63 fe ff ff e8 ce 10 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 10 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 469.422680] RSP: 0000:ffff8801c3f6e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 469.430384] RAX: ffff8801c33fa3c0 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867f596 [ 469.437642] RDX: 0000000000000000 RSI: ffffffff87c779f2 RDI: 0000000000000293 [ 469.444915] RBP: ffff8801c3f6e290 R08: ffff8801c33facb0 R09: 0000000000000006 [ 469.452194] R10: 0000000000000000 R11: ffff8801c33fa3c0 R12: 1ffff100387edc45 [ 469.460452] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 469.467735] ? dump_stack+0x34f/0x39d [ 469.471638] ? dump_stack_print_info.cold.1+0x20/0x20 [ 469.476828] ? mark_held_locks+0x130/0x130 [ 469.481057] ? mark_held_locks+0x130/0x130 [ 469.485289] dump_header+0x27b/0xf72 [ 469.489007] ? pagefault_out_of_memory+0x197/0x197 [ 469.493935] ? __lock_acquire+0x62f/0x4c20 [ 469.498181] ? percpu_ref_get_many+0x240/0x240 [ 469.502758] ? print_usage_bug+0xc0/0xc0 [ 469.506821] ? zap_class+0x640/0x640 [ 469.510533] ? print_usage_bug+0xc0/0xc0 [ 469.514585] ? print_usage_bug+0xc0/0xc0 [ 469.518650] ? zap_class+0x640/0x640 [ 469.522364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.527900] ? find_held_lock+0x36/0x1c0 [ 469.531974] ? mark_held_locks+0xc7/0x130 [ 469.536118] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 469.541214] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 469.546314] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 469.550894] ? trace_hardirqs_on+0xbd/0x310 [ 469.556027] ? kasan_check_read+0x11/0x20 [ 469.560165] ? ___ratelimit+0x3b4/0x672 [ 469.564155] ? trace_hardirqs_off_caller+0x310/0x310 [ 469.569254] ? trace_hardirqs_on+0x310/0x310 [ 469.573661] ? lock_downgrade+0x900/0x900 [ 469.577804] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 469.583008] ? ___ratelimit+0x3b9/0x672 [ 469.586979] ? idr_get_free+0xf70/0xf70 [ 469.590946] ? find_held_lock+0x36/0x1c0 [ 469.595012] oom_kill_process.cold.27+0x10/0x903 [ 469.599765] ? zap_class+0x640/0x640 [ 469.603479] ? check_preemption_disabled+0x48/0x280 [ 469.608492] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 469.613416] ? kasan_check_read+0x11/0x20 [ 469.617554] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 469.622830] ? oom_evaluate_task+0x540/0x540 [ 469.627240] ? find_held_lock+0x36/0x1c0 [ 469.631304] ? out_of_memory+0x974/0x1430 [ 469.635450] ? lock_downgrade+0x900/0x900 [ 469.639592] ? check_preemption_disabled+0x48/0x280 [ 469.644603] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 469.649533] ? kasan_check_read+0x11/0x20 [ 469.653670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 469.659922] ? rcu_softirq_qs+0x20/0x20 [ 469.663892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 469.669422] ? oom_evaluate_task+0x302/0x540 [ 469.673830] out_of_memory+0xa84/0x1430 [ 469.677806] ? oom_killer_disable+0x3a0/0x3a0 [ 469.682299] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 469.687229] ? __ww_mutex_check_waiters+0x160/0x160 [ 469.692271] __alloc_pages_slowpath+0x2354/0x2e10 [ 469.697131] ? warn_alloc+0x120/0x120 [ 469.700929] ? mark_held_locks+0x130/0x130 [ 469.705161] ? find_get_entry+0xaae/0x1120 [ 469.709399] ? filemap_map_pages+0x1a20/0x1a20 [ 469.713978] ? zap_class+0x640/0x640 [ 469.717689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.723234] ? check_preemption_disabled+0x48/0x280 [ 469.728242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 469.733773] ? should_fail+0x22d/0xd01 [ 469.737656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 469.742757] ? zap_class+0x640/0x640 [ 469.746486] ? __lock_is_held+0xb5/0x140 [ 469.750548] ? mark_held_locks+0x130/0x130 [ 469.754778] ? lock_release+0xa00/0xa00 [ 469.759916] ? perf_trace_sched_process_exec+0x860/0x860 [ 469.765525] ? xa_load+0x2ba/0x460 [ 469.769065] ? lock_downgrade+0x900/0x900 [ 469.773215] ? __might_sleep+0x95/0x190 [ 469.777193] __alloc_pages_nodemask+0xa80/0xde0 [ 469.781867] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 469.786895] ? __page_cache_alloc+0x191/0x5c0 [ 469.791382] ? xa_load+0x2e1/0x460 [ 469.794919] ? xa_clear_mark+0x40/0x40 [ 469.798804] ? zap_class+0x640/0x640 [ 469.802518] ? zap_class+0x640/0x640 [ 469.806230] ? zap_class+0x640/0x640 [ 469.809937] ? __do_page_cache_readahead+0x663/0x810 [ 469.815045] ? find_held_lock+0x36/0x1c0 [ 469.819110] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 469.824645] alloc_pages_current+0x173/0x350 [ 469.829052] __page_cache_alloc+0x38c/0x5c0 [ 469.833364] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 469.838297] ? kasan_check_read+0x11/0x20 [ 469.842446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 469.847721] ? generic_perform_write+0x6a0/0x6a0 [ 469.852472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 469.858786] ? check_preemption_disabled+0x48/0x280 [ 469.863801] filemap_fault+0x1595/0x25f0 [ 469.867870] ? __lock_page_or_retry+0xa00/0xa00 [ 469.872530] ? mark_held_locks+0x130/0x130 [ 469.876777] ? filemap_map_pages+0xd6b/0x1a20 [ 469.881266] ? lock_downgrade+0x900/0x900 [ 469.885411] ? check_preemption_disabled+0x48/0x280 [ 469.890422] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 469.895342] ? kasan_check_read+0x11/0x20 [ 469.899504] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 469.904778] ? rcu_softirq_qs+0x20/0x20 [ 469.908758] ? filemap_map_pages+0xd92/0x1a20 [ 469.913259] ? find_get_entries_tag+0x1400/0x1400 [ 469.918098] ? debug_object_destroy+0x2b0/0x2b0 [ 469.922766] ? lock_pi_update_atomic+0x150/0x150 [ 469.927932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.933482] ? lock_acquire+0x1ed/0x520 [ 469.937447] ? ext4_filemap_fault+0x7a/0xad [ 469.941767] ? lock_release+0xa00/0xa00 [ 469.945737] ? perf_trace_sched_process_exec+0x860/0x860 [ 469.951180] ? print_usage_bug+0xc0/0xc0 [ 469.955693] ? print_usage_bug+0xc0/0xc0 [ 469.959762] ? down_read+0x8d/0x120 [ 469.963377] ? ext4_filemap_fault+0x7a/0xad [ 469.967699] ? __down_interruptible+0x700/0x700 [ 469.972465] ext4_filemap_fault+0x82/0xad [ 469.976611] __do_fault+0x100/0x6b0 [ 469.980233] ? pmd_devmap_trans_unstable+0x220/0x220 [ 469.985331] ? mark_held_locks+0x130/0x130 [ 469.989556] ? mark_held_locks+0x130/0x130 [ 469.993783] ? do_raw_spin_trylock+0x270/0x270 [ 469.998363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.003900] __handle_mm_fault+0x3ea0/0x5be0 [ 470.008298] ? perf_trace_lock+0x7a0/0x7a0 [ 470.012542] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 470.017393] ? __switch_to_asm+0x34/0x70 [ 470.021450] ? __switch_to_asm+0x34/0x70 [ 470.025512] ? zap_class+0x640/0x640 [ 470.029221] ? zap_class+0x640/0x640 [ 470.032934] ? __x64_sys_futex+0x53e/0x6a0 [ 470.037166] ? find_held_lock+0x36/0x1c0 [ 470.041237] ? handle_mm_fault+0x42a/0xc70 [ 470.045470] ? lock_downgrade+0x900/0x900 [ 470.049613] ? check_preemption_disabled+0x48/0x280 [ 470.054627] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 470.060322] ? kasan_check_read+0x11/0x20 [ 470.064468] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 470.069738] ? rcu_softirq_qs+0x20/0x20 [ 470.073707] ? trace_hardirqs_off_caller+0x310/0x310 [ 470.078805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.084339] ? check_preemption_disabled+0x48/0x280 [ 470.089359] handle_mm_fault+0x54f/0xc70 [ 470.093419] ? __handle_mm_fault+0x5be0/0x5be0 [ 470.097998] ? find_vma+0x34/0x190 [ 470.101539] __do_page_fault+0x5e8/0xe60 [ 470.105594] ? trace_hardirqs_off+0xb8/0x310 [ 470.110003] do_page_fault+0xf2/0x7e0 [ 470.113814] ? vmalloc_sync_all+0x30/0x30 [ 470.117954] ? error_entry+0x70/0xd0 [ 470.121662] ? trace_hardirqs_off_caller+0xbb/0x310 [ 470.126688] ? trace_hardirqs_on_caller+0xc0/0x310 [ 470.131614] ? syscall_return_slowpath+0x5e0/0x5e0 [ 470.136538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 470.141375] ? trace_hardirqs_on_caller+0x310/0x310 [ 470.146380] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 470.151835] ? prepare_exit_to_usermode+0x291/0x3b0 [ 470.157805] ? page_fault+0x8/0x30 [ 470.161341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 470.166179] ? page_fault+0x8/0x30 [ 470.169725] page_fault+0x1e/0x30 [ 470.173168] RIP: 0033:0x45ddf3 [ 470.176377] Code: Bad RIP value. [ 470.179732] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 470.185089] RAX: ffffffffffffff92 RBX: 000000003b989647 RCX: 000000000045ddf3 [ 470.192346] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 470.199605] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 470.206882] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 470.214146] R13: 0000000000000000 R14: 000000000045b6a0 R15: 0000000000000000 [ 470.221445] warn_alloc_show_mem: 1 callbacks suppressed [ 470.221454] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 470.221456] Mem-Info: [ 470.221487] active_anon:54141 inactive_anon:292 isolated_anon:0 [ 470.221487] active_file:12 inactive_file:13 isolated_file:0 [ 470.221487] unevictable:0 dirty:0 writeback:0 unstable:0 [ 470.221487] slab_reclaimable:9274 slab_unreclaimable:1452059 [ 470.221487] mapped:49154 shmem:341 pagetables:639 bounce:0 [ 470.221487] free:13705 free_pcp:178 free_cma:0 [ 470.226824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 470.233571] Node 0 active_anon:216564kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 470.235961] Call Trace: [ 470.269596] Node 0 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 [ 470.278951] dump_stack+0x244/0x39d [ 470.306877] lowmem_reserve[]: 0 2818 6321 6321 [ 470.309458] ? dump_stack_print_info.cold.1+0x20/0x20 [ 470.335532] Node 0 DMA32 free:24956kB min:30052kB low:37564kB high:45076kB active_anon:144kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 470.339157] warn_alloc.cold.116+0xb7/0x1bd [ 470.343700] lowmem_reserve[]: 0 0 3503 3503 [ 470.348888] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 470.377304] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:216420kB inactive_anon:1168kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2556kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB [ 470.381624] ? lock_downgrade+0x900/0x900 [ 470.385914] lowmem_reserve[]: 0 0 0 0 [ 470.390751] ? trace_hardirqs_off+0xb8/0x310 [ 470.419691] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 470.423834] ? trace_hardirqs_off+0xb8/0x310 [ 470.427599] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 5*64kB (UM) 5*128kB (UM) 5*256kB (UM) 4*512kB (M) 4*1024kB (UM) 2*2048kB (UM) 3*4096kB (M) = 24956kB [ 470.432006] __alloc_pages_slowpath+0x26e8/0x2e10 [ 470.445495] Node 0 Normal: 837*4kB (UME) 486*8kB (UME) 202*16kB (UME) 69*32kB (UME) 20*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 470.449914] ? warn_alloc+0x120/0x120 [ 470.466113] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 470.470939] ? warn_alloc+0x120/0x120 [ 470.485122] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 470.485130] 366 total pagecache pages [ 470.488916] ? warn_alloc+0x120/0x120 [ 470.497725] 0 pages in swap cache [ 470.501502] ? trace_hardirqs_off+0xb8/0x310 [ 470.510047] Swap cache stats: add 0, delete 0, find 0/0 [ 470.513829] ? print_usage_bug+0xc0/0xc0 [ 470.517602] Free swap = 0kB [ 470.521041] ? print_usage_bug+0xc0/0xc0 [ 470.525419] Total swap = 0kB [ 470.530769] ? __lock_acquire+0x62f/0x4c20 [ 470.534798] 1965979 pages RAM [ 470.537806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.541836] 0 pages HighMem/MovableOnly [ 470.544836] ? should_fail+0x22d/0xd01 [ 470.549040] 342854 pages reserved [ 470.552133] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 470.558376] 0 pages cma reserved [ 470.558455] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 470.562344] ? __lock_acquire+0x62f/0x4c20 [ 470.562360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 470.562375] ? __lock_acquire+0x62f/0x4c20 [ 470.566295] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 470.569677] ? should_fail+0x22d/0xd01 [ 470.574753] syz-fuzzer cpuset=/ mems_allowed=0 [ 470.578111] ? mark_held_locks+0x130/0x130 [ 470.620940] ? mark_held_locks+0x130/0x130 [ 470.625180] ? zap_class+0x640/0x640 [ 470.628886] ? ret_from_fork+0x3a/0x50 [ 470.632765] ? __lock_acquire+0x62f/0x4c20 [ 470.636996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.642528] ? check_preemption_disabled+0x48/0x280 [ 470.647545] ? __lock_is_held+0xb5/0x140 [ 470.651612] __alloc_pages_nodemask+0xa80/0xde0 [ 470.656606] ? zap_class+0x640/0x640 [ 470.660323] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 470.665351] ? find_held_lock+0x36/0x1c0 [ 470.669415] ? ____cache_alloc_node+0x1c7/0x1e0 [ 470.674080] ? lock_downgrade+0x900/0x900 [ 470.678232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.683771] cache_grow_begin+0xa5/0x8c0 [ 470.687822] ? do_raw_spin_unlock+0xa7/0x330 [ 470.692227] fallback_alloc+0x204/0x2e0 [ 470.696205] ____cache_alloc_node+0x1c7/0x1e0 [ 470.700711] kmem_cache_alloc_node+0xe3/0x730 [ 470.705199] ? mark_held_locks+0xc7/0x130 [ 470.709361] __alloc_skb+0x119/0x770 [ 470.713078] ? netdev_alloc_frag+0x1f0/0x1f0 [ 470.717481] ? do_raw_spin_trylock+0x270/0x270 [ 470.722061] ? kmem_cache_alloc_trace+0x353/0x750 [ 470.726899] ? queue_work_on+0x12c/0x1e0 [ 470.730958] ? switchdev_port_obj_del+0xdc/0x440 [ 470.735709] ? switchdev_trans_item_enqueue+0x260/0x260 [ 470.741068] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 470.746083] __br_mdb_notify+0x4ff/0x15d0 [ 470.750223] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 470.755665] ? __br_mdb_add+0x7f0/0x7f0 [ 470.760071] ? mark_held_locks+0x130/0x130 [ 470.764303] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 470.769404] ? debug_object_assert_init+0x368/0x4b0 [ 470.774419] ? debug_object_init_on_stack+0x20/0x20 [ 470.779432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.784967] br_mdb_notify+0x310/0x410 [ 470.788851] ? br_mdb_dump+0x27b0/0x27b0 [ 470.792924] br_multicast_del_pg+0x3df/0x790 [ 470.797333] ? br_mdb_ip_get+0x940/0x940 [ 470.801384] ? rwlock_bug.part.2+0x90/0x90 [ 470.805653] ? __lock_is_held+0xb5/0x140 [ 470.809804] br_multicast_port_group_expired+0x189/0x1e0 [ 470.815251] call_timer_fn+0x272/0x920 [ 470.819128] ? br_multicast_del_pg+0x790/0x790 [ 470.823702] ? process_timeout+0x40/0x40 [ 470.827767] ? __run_timers+0x7da/0xc70 [ 470.831732] ? _raw_spin_unlock_irq+0x27/0x80 [ 470.836221] ? _raw_spin_unlock_irq+0x27/0x80 [ 470.840706] ? br_multicast_del_pg+0x790/0x790 [ 470.845285] ? lockdep_hardirqs_on+0x296/0x5b0 [ 470.849860] ? trace_hardirqs_on+0xbd/0x310 [ 470.854283] ? kasan_check_read+0x11/0x20 [ 470.858766] ? __run_timers+0x7da/0xc70 [ 470.862737] ? trace_hardirqs_off_caller+0x310/0x310 [ 470.867836] ? br_multicast_del_pg+0x790/0x790 [ 470.872421] ? br_multicast_del_pg+0x790/0x790 [ 470.876991] __run_timers+0x7e5/0xc70 [ 470.880796] ? timer_fixup_init+0x70/0x70 [ 470.884939] ? _raw_spin_unlock_irq+0x27/0x80 [ 470.889426] ? _raw_spin_unlock_irq+0x27/0x80 [ 470.893914] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 470.898490] ? trace_hardirqs_on+0xbd/0x310 [ 470.902803] ? kasan_check_read+0x11/0x20 [ 470.906949] ? finish_task_switch+0x1f4/0x910 [ 470.911437] ? trace_hardirqs_off_caller+0x310/0x310 [ 470.916529] ? compat_start_thread+0x80/0x80 [ 470.920944] ? pvclock_read_flags+0x160/0x160 [ 470.925430] ? __switch_to_asm+0x34/0x70 [ 470.929513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.935048] ? check_preemption_disabled+0x48/0x280 [ 470.940066] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 470.945598] ? rcu_pm_notify+0xc0/0xc0 [ 470.949496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.955368] ? check_preemption_disabled+0x48/0x280 [ 470.960376] run_timer_softirq+0x52/0xb0 [ 470.964432] ? rcu_read_lock_sched_held+0x14f/0x180 [ 470.969440] __do_softirq+0x308/0xb7e [ 470.973243] ? trace_hardirqs_on_caller+0xc0/0x310 [ 470.978166] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 470.983262] ? trace_hardirqs_on+0x310/0x310 [ 470.987666] ? schedule+0x108/0x460 [ 470.991301] ? trace_hardirqs_off+0xb8/0x310 [ 470.995700] ? smpboot_thread_fn+0x68b/0xa00 [ 471.000103] ? trace_hardirqs_on+0x310/0x310 [ 471.004501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 471.010061] ? check_preemption_disabled+0x48/0x280 [ 471.015075] ? takeover_tasklets+0xa90/0xa90 [ 471.019474] run_ksoftirqd+0x5e/0x100 [ 471.023265] smpboot_thread_fn+0x68b/0xa00 [ 471.027494] ? sort_range+0x30/0x30 [ 471.031111] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 471.036204] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 471.041736] ? __kthread_parkme+0xfb/0x1a0 [ 471.045980] ? sort_range+0x30/0x30 [ 471.049630] kthread+0x35a/0x440 [ 471.052993] ? kthread_stop+0x900/0x900 [ 471.057298] ret_from_fork+0x3a/0x50 [ 471.061022] CPU: 1 PID: 5963 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 471.061155] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 471.067945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 471.078227] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 471.087553] Call Trace: [ 471.087561] [ 471.096910] dump_stack+0x244/0x39d [ 471.100531] ? dump_stack_print_info.cold.1+0x20/0x20 [ 471.105729] warn_alloc.cold.116+0xb7/0x1bd [ 471.110046] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 471.114882] ? lock_downgrade+0x900/0x900 [ 471.119034] ? trace_hardirqs_off+0xb8/0x310 [ 471.123443] ? trace_hardirqs_off+0xb8/0x310 [ 471.127872] __alloc_pages_slowpath+0x26e8/0x2e10 [ 471.132735] ? warn_alloc+0x120/0x120 [ 471.136541] ? print_usage_bug+0xc0/0xc0 [ 471.140610] ? warn_alloc+0x120/0x120 [ 471.144442] ? warn_alloc+0x120/0x120 [ 471.148236] ? print_usage_bug+0xc0/0xc0 [ 471.152310] ? print_usage_bug+0xc0/0xc0 [ 471.157302] ? __lock_acquire+0x62f/0x4c20 [ 471.161535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 471.167066] ? should_fail+0x22d/0xd01 [ 471.170956] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 471.176055] ? __lock_acquire+0x62f/0x4c20 [ 471.180299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 471.185395] ? __lock_acquire+0x62f/0x4c20 [ 471.189627] ? should_fail+0x22d/0xd01 [ 471.193506] ? find_held_lock+0x36/0x1c0 [ 471.197570] ? mark_held_locks+0x130/0x130 [ 471.201808] ? mark_held_locks+0x130/0x130 [ 471.206033] ? zap_class+0x640/0x640 [ 471.209738] ? zap_class+0x640/0x640 [ 471.213450] ? print_usage_bug+0xc0/0xc0 [ 471.217503] ? do_raw_spin_unlock+0xa7/0x330 [ 471.221905] ? zap_class+0x640/0x640 [ 471.225618] ? print_usage_bug+0xc0/0xc0 [ 471.229674] ? wq_watchdog_touch+0x9c/0xfe [ 471.233905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.239437] ? check_preemption_disabled+0x48/0x280 [ 471.244453] ? __lock_is_held+0xb5/0x140 [ 471.248513] __alloc_pages_nodemask+0xa80/0xde0 [ 471.253176] ? zap_class+0x640/0x640 [ 471.257652] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 471.262674] ? find_held_lock+0x36/0x1c0 [ 471.266737] ? ____cache_alloc_node+0x1c7/0x1e0 [ 471.271402] ? lock_downgrade+0x900/0x900 [ 471.275548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.281085] cache_grow_begin+0xa5/0x8c0 [ 471.285143] ? do_raw_spin_unlock+0xa7/0x330 [ 471.289555] fallback_alloc+0x204/0x2e0 [ 471.293527] ____cache_alloc_node+0x1c7/0x1e0 [ 471.298021] kmem_cache_alloc_node+0xe3/0x730 [ 471.302512] ? ipv6_get_ifaddr+0x42e/0x620 [ 471.306753] __alloc_skb+0x119/0x770 [ 471.310465] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 471.315746] ? netdev_alloc_frag+0x1f0/0x1f0 [ 471.320146] ? lock_downgrade+0x900/0x900 [ 471.324294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.329828] ? refcount_sub_and_test_checked+0x203/0x310 [ 471.335275] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 471.340736] ? addrconf_rs_timer+0x690/0x690 [ 471.345144] ndisc_alloc_skb+0x144/0x340 [ 471.349203] ndisc_send_rs+0x331/0x6e0 [ 471.353088] addrconf_rs_timer+0x314/0x690 [ 471.358011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 471.362249] call_timer_fn+0x272/0x920 [ 471.366132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 471.370359] ? process_timeout+0x40/0x40 [ 471.374421] ? mark_held_locks+0xc7/0x130 [ 471.378560] ? _raw_spin_unlock_irq+0x27/0x80 [ 471.383051] ? _raw_spin_unlock_irq+0x27/0x80 [ 471.387538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 471.391769] ? lockdep_hardirqs_on+0x296/0x5b0 [ 471.396349] ? trace_hardirqs_on+0xbd/0x310 [ 471.400662] ? kasan_check_read+0x11/0x20 [ 471.404800] ? __run_timers+0x7da/0xc70 [ 471.408769] ? trace_hardirqs_off_caller+0x310/0x310 [ 471.413871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 471.418109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 471.422337] __run_timers+0x7e5/0xc70 [ 471.426143] ? timer_fixup_init+0x70/0x70 [ 471.430289] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 471.435298] ? zap_class+0x640/0x640 [ 471.439009] ? print_usage_bug+0xc0/0xc0 [ 471.443066] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 471.448256] ? find_held_lock+0x36/0x1c0 [ 471.452316] ? zap_class+0x640/0x640 [ 471.456767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.462384] ? check_preemption_disabled+0x48/0x280 [ 471.467418] ? __lock_is_held+0xb5/0x140 [ 471.471476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.477005] ? check_preemption_disabled+0x48/0x280 [ 471.482018] run_timer_softirq+0x52/0xb0 [ 471.486075] ? rcu_read_lock_sched_held+0x14f/0x180 [ 471.491086] __do_softirq+0x308/0xb7e [ 471.494883] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 471.499372] ? lock_downgrade+0x900/0x900 [ 471.503519] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 471.508622] ? pvclock_read_flags+0x160/0x160 [ 471.513115] ? lapic_next_event+0x5a/0x90 [ 471.517257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.522811] ? kvm_clock_read+0x18/0x30 [ 471.526779] ? kvm_sched_clock_read+0x9/0x20 [ 471.531179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 471.536710] ? check_preemption_disabled+0x48/0x280 [ 471.541727] irq_exit+0x17f/0x1c0 [ 471.545176] smp_apic_timer_interrupt+0x1cb/0x760 [ 471.550014] ? smp_reschedule_interrupt+0x109/0x650 [ 471.555890] ? smp_call_function_single_interrupt+0x650/0x650 [ 471.561782] ? interrupt_entry+0xb5/0xc0 [ 471.565836] ? trace_hardirqs_off_caller+0xbb/0x310 [ 471.570846] ? trace_hardirqs_off_caller+0xbb/0x310 [ 471.575876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 471.580717] ? trace_hardirqs_on_caller+0x310/0x310 [ 471.585726] ? trace_hardirqs_on_caller+0x310/0x310 [ 471.590733] ? task_prio+0x50/0x50 [ 471.594269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.599799] ? check_preemption_disabled+0x48/0x280 [ 471.604817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 471.609665] apic_timer_interrupt+0xf/0x20 [ 471.613891]