d/0x310 [ 629.022991] ? kasan_check_read+0x11/0x20 [ 629.027135] ? __run_timers+0x7da/0xc70 [ 629.031115] ? trace_hardirqs_off_caller+0x310/0x310 [ 629.036234] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 629.041079] __run_timers+0x7e5/0xc70 [ 629.044910] ? timer_fixup_init+0x70/0x70 [ 629.049062] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 629.054083] ? zap_class+0x640/0x640 [ 629.057804] ? print_usage_bug+0xc0/0xc0 [ 629.061868] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 629.067070] ? find_held_lock+0x36/0x1c0 [ 629.071139] ? zap_class+0x640/0x640 [ 629.074869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 629.080419] ? check_preemption_disabled+0x48/0x280 [ 629.085448] ? __lock_is_held+0xb5/0x140 [ 629.089511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 629.095052] ? check_preemption_disabled+0x48/0x280 [ 629.100077] run_timer_softirq+0x52/0xb0 [ 629.104138] ? rcu_read_lock_sched_held+0x14f/0x180 [ 629.109169] __do_softirq+0x308/0xb7e [ 629.112977] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 629.117478] ? lock_downgrade+0x900/0x900 [ 629.121635] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 629.126752] ? pvclock_read_flags+0x160/0x160 [ 629.131253] ? lapic_next_event+0x5a/0x90 [ 629.135427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 629.140972] ? kvm_clock_read+0x18/0x30 [ 629.144948] ? kvm_sched_clock_read+0x9/0x20 [ 629.149358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 629.154901] ? check_preemption_disabled+0x48/0x280 [ 629.159930] irq_exit+0x17f/0x1c0 [ 629.163389] smp_apic_timer_interrupt+0x1cb/0x760 [ 629.168239] ? smp_reschedule_interrupt+0x109/0x650 [ 629.173269] ? smp_call_function_single_interrupt+0x650/0x650 [ 629.179152] ? interrupt_entry+0xb5/0xc0 [ 629.183222] ? trace_hardirqs_off_caller+0xbb/0x310 [ 629.188236] ? trace_hardirqs_off_caller+0xbb/0x310 [ 629.193254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 629.198097] ? trace_hardirqs_on_caller+0x310/0x310 [ 629.203113] ? trace_hardirqs_on_caller+0x310/0x310 [ 629.208131] ? task_prio+0x50/0x50 [ 629.211678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 629.217217] ? check_preemption_disabled+0x48/0x280 [ 629.222243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 629.227101] apic_timer_interrupt+0xf/0x20 [ 629.231330] [ 629.233572] RIP: 0010:dump_stack+0x20e/0x39d [ 629.237983] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 629.256883] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 629.264592] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 629.271862] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 629.279131] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 629.286408] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 629.293677] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 629.300968] ? dump_stack+0x205/0x39d [ 629.304786] ? dump_stack_print_info.cold.1+0x20/0x20 [ 629.309982] ? mark_held_locks+0x130/0x130 [ 629.314215] ? mark_held_locks+0x130/0x130 [ 629.318455] dump_header+0x27b/0xf72 [ 629.322186] ? pagefault_out_of_memory+0x197/0x197 [ 629.327124] ? __lock_acquire+0x62f/0x4c20 [ 629.331363] ? percpu_ref_get_many+0x240/0x240 [ 629.335964] ? print_usage_bug+0xc0/0xc0 [ 629.340034] ? zap_class+0x640/0x640 [ 629.343755] ? print_usage_bug+0xc0/0xc0 [ 629.347818] ? print_usage_bug+0xc0/0xc0 [ 629.351885] ? zap_class+0x640/0x640 [ 629.355605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 629.361146] ? find_held_lock+0x36/0x1c0 [ 629.365225] ? mark_held_locks+0xc7/0x130 [ 629.369381] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 629.374488] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 629.379592] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 629.384207] ? trace_hardirqs_on+0xbd/0x310 [ 629.388559] ? kasan_check_read+0x11/0x20 [ 629.392705] ? ___ratelimit+0x3b4/0x672 [ 629.396679] ? trace_hardirqs_off_caller+0x310/0x310 [ 629.401784] ? trace_hardirqs_on+0x310/0x310 [ 629.406193] ? lock_downgrade+0x900/0x900 [ 629.410350] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 629.415455] ? ___ratelimit+0x3b9/0x672 [ 629.419434] ? idr_get_free+0xf70/0xf70 [ 629.423430] ? find_held_lock+0x36/0x1c0 [ 629.427503] oom_kill_process.cold.27+0x10/0x903 [ 629.432259] ? zap_class+0x640/0x640 [ 629.435972] ? check_preemption_disabled+0x48/0x280 [ 629.440996] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 629.445926] ? kasan_check_read+0x11/0x20 [ 629.450085] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 629.455364] ? oom_evaluate_task+0x540/0x540 [ 629.459785] ? find_held_lock+0x36/0x1c0 [ 629.463856] ? out_of_memory+0x974/0x1430 [ 629.468010] ? lock_downgrade+0x900/0x900 [ 629.472168] ? check_preemption_disabled+0x48/0x280 [ 629.477193] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 629.482137] ? kasan_check_read+0x11/0x20 [ 629.486290] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 629.491614] ? rcu_softirq_qs+0x20/0x20 [ 629.495600] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 629.501136] ? oom_evaluate_task+0x302/0x540 [ 629.505554] out_of_memory+0xa84/0x1430 [ 629.509543] ? oom_killer_disable+0x3a0/0x3a0 [ 629.514042] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 629.518974] ? __ww_mutex_check_waiters+0x160/0x160 [ 629.524004] __alloc_pages_slowpath+0x2354/0x2e10 [ 629.528894] ? warn_alloc+0x120/0x120 [ 629.532711] ? mark_held_locks+0x130/0x130 [ 629.536949] ? find_get_entry+0xaae/0x1120 [ 629.541198] ? filemap_map_pages+0x1a20/0x1a20 [ 629.545803] ? zap_class+0x640/0x640 [ 629.549543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 629.555084] ? check_preemption_disabled+0x48/0x280 [ 629.560105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 629.565660] ? should_fail+0x22d/0xd01 [ 629.569558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 629.574663] ? zap_class+0x640/0x640 [ 629.578415] ? __lock_is_held+0xb5/0x140 [ 629.582502] ? mark_held_locks+0x130/0x130 [ 629.586739] ? lock_release+0xa00/0xa00 [ 629.590728] ? perf_trace_sched_process_exec+0x860/0x860 [ 629.596186] ? xa_load+0x2ba/0x460 [ 629.599731] ? lock_downgrade+0x900/0x900 [ 629.603884] ? __might_sleep+0x95/0x190 [ 629.607864] __alloc_pages_nodemask+0xa80/0xde0 [ 629.612544] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 629.617562] ? __page_cache_alloc+0x191/0x5c0 [ 629.622087] ? xa_load+0x2e1/0x460 [ 629.625632] ? xa_clear_mark+0x40/0x40 [ 629.629520] ? zap_class+0x640/0x640 [ 629.633255] ? zap_class+0x640/0x640 [ 629.636966] ? zap_class+0x640/0x640 [ 629.640677] ? __do_page_cache_readahead+0x663/0x810 [ 629.645784] ? find_held_lock+0x36/0x1c0 [ 629.649866] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 629.655432] alloc_pages_current+0x173/0x350 [ 629.659852] __page_cache_alloc+0x38c/0x5c0 [ 629.664177] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 629.669105] ? kasan_check_read+0x11/0x20 [ 629.673267] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 629.678548] ? generic_perform_write+0x6a0/0x6a0 [ 629.683333] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 629.688891] ? check_preemption_disabled+0x48/0x280 [ 629.693921] filemap_fault+0x1595/0x25f0 [ 629.697997] ? __lock_page_or_retry+0xa00/0xa00 [ 629.702713] ? mark_held_locks+0x130/0x130 [ 629.706959] ? filemap_map_pages+0xd6b/0x1a20 [ 629.711457] ? lock_downgrade+0x900/0x900 [ 629.715605] ? check_preemption_disabled+0x48/0x280 [ 629.720628] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 629.725556] ? kasan_check_read+0x11/0x20 [ 629.729703] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 629.734997] ? rcu_softirq_qs+0x20/0x20 [ 629.738987] ? filemap_map_pages+0xd92/0x1a20 [ 629.743495] ? find_get_entries_tag+0x1400/0x1400 [ 629.748381] ? debug_object_destroy+0x2b0/0x2b0 [ 629.753072] ? lock_pi_update_atomic+0x150/0x150 [ 629.757826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 629.763372] ? lock_acquire+0x1ed/0x520 [ 629.767352] ? ext4_filemap_fault+0x7a/0xad [ 629.771678] ? lock_release+0xa00/0xa00 [ 629.775656] ? perf_trace_sched_process_exec+0x860/0x860 [ 629.781109] ? print_usage_bug+0xc0/0xc0 [ 629.785180] ? print_usage_bug+0xc0/0xc0 [ 629.789271] ? down_read+0x8d/0x120 [ 629.792899] ? ext4_filemap_fault+0x7a/0xad [ 629.797227] ? __down_interruptible+0x700/0x700 [ 629.801906] ext4_filemap_fault+0x82/0xad [ 629.806060] __do_fault+0x100/0x6b0 [ 629.809687] ? find_held_lock+0x36/0x1c0 [ 629.813751] ? pmd_devmap_trans_unstable+0x220/0x220 [ 629.818858] ? mark_held_locks+0x130/0x130 [ 629.823094] ? mark_held_locks+0x130/0x130 [ 629.827337] ? debug_smp_processor_id+0x1c/0x20 [ 629.832009] ? perf_trace_lock+0x14d/0x7a0 [ 629.836248] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 629.840841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 629.846389] __handle_mm_fault+0x3ea0/0x5be0 [ 629.850821] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 629.855670] ? lock_is_held_type+0x210/0x210 [ 629.860086] ? preempt_notifier_register+0x200/0x200 [ 629.865192] ? __switch_to_asm+0x34/0x70 [ 629.869251] ? __switch_to_asm+0x34/0x70 [ 629.873331] ? zap_class+0x640/0x640 [ 629.877045] ? zap_class+0x640/0x640 [ 629.880762] ? __x64_sys_futex+0x53e/0x6a0 [ 629.885004] ? find_held_lock+0x36/0x1c0 [ 629.889077] ? handle_mm_fault+0x42a/0xc70 [ 629.893316] ? lock_downgrade+0x900/0x900 [ 629.897466] ? check_preemption_disabled+0x48/0x280 [ 629.902503] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 629.907437] ? kasan_check_read+0x11/0x20 [ 629.911590] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 629.916866] ? rcu_softirq_qs+0x20/0x20 [ 629.920840] ? trace_hardirqs_off_caller+0x310/0x310 [ 629.925947] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 629.931492] ? check_preemption_disabled+0x48/0x280 [ 629.936527] handle_mm_fault+0x54f/0xc70 [ 629.940608] ? __handle_mm_fault+0x5be0/0x5be0 [ 629.945202] ? find_vma+0x34/0x190 [ 629.948753] __do_page_fault+0x5e8/0xe60 [ 629.952816] ? trace_hardirqs_off+0xb8/0x310 [ 629.957241] do_page_fault+0xf2/0x7e0 [ 629.961053] ? vmalloc_sync_all+0x30/0x30 [ 629.965210] ? error_entry+0x70/0xd0 [ 629.968974] ? trace_hardirqs_off_caller+0xbb/0x310 [ 629.974001] ? trace_hardirqs_on_caller+0xc0/0x310 [ 629.978943] ? syscall_return_slowpath+0x5e0/0x5e0 [ 629.983873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 629.988730] ? trace_hardirqs_on_caller+0x310/0x310 [ 629.993761] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 629.999222] ? prepare_exit_to_usermode+0x291/0x3b0 [ 630.004258] ? page_fault+0x8/0x30 [ 630.007804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 630.012662] ? page_fault+0x8/0x30 [ 630.016233] page_fault+0x1e/0x30 [ 630.019686] RIP: 0033:0x40f9c0 [ 630.022893] Code: Bad RIP value. [ 630.026252] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 630.031615] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 630.038879] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 630.046149] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 630.053455] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 630.060740] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 630.068040] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 630.068120] aoe: skb alloc failure [ 630.075315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 630.075324] Call Trace: [ 630.078909] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 630.088194] [ 630.090792] syz-fuzzer cpuset=/ mems_allowed=0 [ 630.101017] dump_stack+0x244/0x39d [ 630.111716] ? dump_stack_print_info.cold.1+0x20/0x20 [ 630.116922] warn_alloc.cold.116+0xb7/0x1bd [ 630.121258] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 630.126121] ? lock_downgrade+0x900/0x900 [ 630.130291] ? trace_hardirqs_off+0xb8/0x310 [ 630.134714] ? trace_hardirqs_off+0xb8/0x310 [ 630.139134] __alloc_pages_slowpath+0x26e8/0x2e10 [ 630.144007] ? warn_alloc+0x120/0x120 [ 630.147820] ? print_usage_bug+0xc0/0xc0 [ 630.151883] ? warn_alloc+0x120/0x120 [ 630.155694] ? warn_alloc+0x120/0x120 [ 630.159539] ? print_usage_bug+0xc0/0xc0 [ 630.163608] ? print_usage_bug+0xc0/0xc0 [ 630.167696] ? __lock_acquire+0x62f/0x4c20 [ 630.171943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 630.177480] ? should_fail+0x22d/0xd01 [ 630.181386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 630.186512] ? __lock_acquire+0x62f/0x4c20 [ 630.190767] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 630.195884] ? __lock_acquire+0x62f/0x4c20 [ 630.200119] ? should_fail+0x22d/0xd01 [ 630.204006] ? find_held_lock+0x36/0x1c0 [ 630.208094] ? mark_held_locks+0x130/0x130 [ 630.212337] ? mark_held_locks+0x130/0x130 [ 630.216571] ? zap_class+0x640/0x640 [ 630.220288] ? zap_class+0x640/0x640 [ 630.224008] ? print_usage_bug+0xc0/0xc0 [ 630.228067] ? do_raw_spin_unlock+0xa7/0x330 [ 630.232479] ? zap_class+0x640/0x640 [ 630.236222] ? print_usage_bug+0xc0/0xc0 [ 630.240281] ? wq_watchdog_touch+0x9c/0xfe [ 630.244520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 630.250065] ? check_preemption_disabled+0x48/0x280 [ 630.255096] ? __lock_is_held+0xb5/0x140 [ 630.259165] __alloc_pages_nodemask+0xa80/0xde0 [ 630.263839] ? zap_class+0x640/0x640 [ 630.267559] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 630.272590] ? find_held_lock+0x36/0x1c0 [ 630.276673] ? ____cache_alloc_node+0x1c7/0x1e0 [ 630.281347] ? lock_downgrade+0x900/0x900 [ 630.285508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 630.291055] cache_grow_begin+0xa5/0x8c0 [ 630.295134] ? do_raw_spin_unlock+0xa7/0x330 [ 630.299555] fallback_alloc+0x204/0x2e0 [ 630.303541] ____cache_alloc_node+0x1c7/0x1e0 [ 630.308046] kmem_cache_alloc_node+0xe3/0x730 [ 630.312547] ? ipv6_get_ifaddr+0x42e/0x620 [ 630.316795] __alloc_skb+0x119/0x770 [ 630.320509] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 630.325789] ? netdev_alloc_frag+0x1f0/0x1f0 [ 630.330233] ? lock_downgrade+0x900/0x900 [ 630.334415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 630.339956] ? refcount_sub_and_test_checked+0x203/0x310 [ 630.345423] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 630.350876] ? addrconf_rs_timer+0x690/0x690 [ 630.355300] ndisc_alloc_skb+0x144/0x340 [ 630.359366] ndisc_send_rs+0x331/0x6e0 [ 630.363269] addrconf_rs_timer+0x314/0x690 [ 630.367514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 630.371768] call_timer_fn+0x272/0x920 [ 630.375655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 630.379895] ? process_timeout+0x40/0x40 [ 630.383967] ? __run_timers+0x7da/0xc70 [ 630.387947] ? _raw_spin_unlock_irq+0x27/0x80 [ 630.392446] ? _raw_spin_unlock_irq+0x27/0x80 [ 630.396944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 630.401184] ? lockdep_hardirqs_on+0x296/0x5b0 [ 630.405769] ? trace_hardirqs_on+0xbd/0x310 [ 630.410092] ? kasan_check_read+0x11/0x20 [ 630.414244] ? __run_timers+0x7da/0xc70 [ 630.418223] ? trace_hardirqs_off_caller+0x310/0x310 [ 630.423332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 630.427575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 630.431810] __run_timers+0x7e5/0xc70 [ 630.435627] ? timer_fixup_init+0x70/0x70 [ 630.439784] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 630.444805] ? zap_class+0x640/0x640 [ 630.448524] ? enqueue_hrtimer+0x1a5/0x560 [ 630.452763] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 630.457963] ? find_held_lock+0x36/0x1c0 [ 630.462036] ? zap_class+0x640/0x640 [ 630.465758] ? pvclock_read_flags+0x160/0x160 [ 630.470263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 630.475809] ? check_preemption_disabled+0x48/0x280 [ 630.480839] ? __lock_is_held+0xb5/0x140 [ 630.484906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 630.490454] ? check_preemption_disabled+0x48/0x280 [ 630.495484] run_timer_softirq+0x52/0xb0 [ 630.499550] ? rcu_read_lock_sched_held+0x14f/0x180 [ 630.504573] __do_softirq+0x308/0xb7e [ 630.508382] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 630.512891] ? lock_downgrade+0x900/0x900 [ 630.517049] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 630.522172] ? pvclock_read_flags+0x160/0x160 [ 630.526684] ? lapic_next_event+0x5a/0x90 [ 630.530841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 630.536390] ? kvm_clock_read+0x18/0x30 [ 630.540376] ? kvm_sched_clock_read+0x9/0x20 [ 630.544800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 630.550344] ? check_preemption_disabled+0x48/0x280 [ 630.555378] irq_exit+0x17f/0x1c0 [ 630.558841] smp_apic_timer_interrupt+0x1cb/0x760 [ 630.563688] ? smp_reschedule_interrupt+0x109/0x650 [ 630.568705] ? smp_call_function_single_interrupt+0x650/0x650 [ 630.574592] ? interrupt_entry+0xb5/0xc0 [ 630.578667] ? trace_hardirqs_off_caller+0xbb/0x310 [ 630.583687] ? trace_hardirqs_off_caller+0xbb/0x310 [ 630.588710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 630.593581] ? trace_hardirqs_on_caller+0x310/0x310 [ 630.598627] ? trace_hardirqs_on_caller+0x310/0x310 [ 630.603650] ? task_prio+0x50/0x50 [ 630.607200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 630.612745] ? check_preemption_disabled+0x48/0x280 [ 630.617774] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 630.622631] apic_timer_interrupt+0xf/0x20 [ 630.626863] [ 630.629103] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 630.634038] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 630.652950] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 630.660666] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 630.667936] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 630.675206] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 630.682477] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 630.689744] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 630.697058] skb_clone+0x1bb/0x500 [ 630.700605] ? finish_task_switch+0x1b4/0x910 [ 630.705104] ? skb_split+0x11e0/0x11e0 [ 630.708994] ? preempt_notifier_register+0x200/0x200 [ 630.714095] ? __switch_to_asm+0x34/0x70 [ 630.718153] ? __switch_to_asm+0x34/0x70 [ 630.722211] ? __switch_to_asm+0x40/0x70 [ 630.726275] ? __switch_to_asm+0x34/0x70 [ 630.730336] ? __switch_to_asm+0x40/0x70 [ 630.734405] ? __switch_to_asm+0x34/0x70 [ 630.738467] ? __switch_to_asm+0x40/0x70 [ 630.742527] ? __switch_to_asm+0x34/0x70 [ 630.746590] ? __switch_to_asm+0x34/0x70 [ 630.750648] ? __switch_to_asm+0x40/0x70 [ 630.754712] ? __switch_to_asm+0x34/0x70 [ 630.758778] bpf_clone_redirect+0xb9/0x490 [ 630.763024] ? __schedule+0x8d7/0x21d0 [ 630.766920] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 630.771939] ? __sched_text_start+0x8/0x8 [ 630.776091] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 630.780680] ? retint_kernel+0x2d/0x2d [ 630.784572] ? trace_hardirqs_on_caller+0xc0/0x310 [ 630.789513] ? find_held_lock+0x36/0x1c0 [ 630.793586] ? lock_acquire+0x1ed/0x520 [ 630.797562] ? bpf_test_run+0x3cb/0x780 [ 630.801539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 630.807081] ? check_preemption_disabled+0x48/0x280 [ 630.812102] ? kasan_check_read+0x11/0x20 [ 630.816249] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 630.821525] ? rcu_softirq_qs+0x20/0x20 [ 630.825502] ? preempt_schedule+0x4d/0x60 [ 630.829650] ? ___preempt_schedule+0x16/0x18 [ 630.834074] ? bpf_test_run+0x25d/0x780 [ 630.838066] ? netlink_diag_dump+0x2a0/0x2a0 [ 630.842485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 630.848024] ? bpf_test_init.isra.10+0x70/0x100 [ 630.852699] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 630.857471] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 630.862313] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 630.867857] ? fput+0x130/0x1a0 [ 630.871137] ? __bpf_prog_get+0x9b/0x290 [ 630.875202] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 630.880055] ? bpf_prog_test_run+0x130/0x1a0 [ 630.884476] ? __x64_sys_bpf+0x3d8/0x520 [ 630.888539] ? bpf_prog_get+0x20/0x20 [ 630.892364] ? do_syscall_64+0x1b9/0x820 [ 630.896437] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 630.901804] ? syscall_return_slowpath+0x5e0/0x5e0 [ 630.906736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 630.911583] ? trace_hardirqs_on_caller+0x310/0x310 [ 630.916600] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 630.921619] ? prepare_exit_to_usermode+0x291/0x3b0 [ 630.926641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 630.931499] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 630.936881] warn_alloc_show_mem: 1 callbacks suppressed [ 630.936894] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 630.936896] Mem-Info: [ 630.936929] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 630.936929] active_file:14 inactive_file:14 isolated_file:0 [ 630.936929] unevictable:0 dirty:0 writeback:0 unstable:0 [ 630.936929] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 630.936929] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 630.936929] free:13772 free_pcp:380 free_cma:0 [ 630.942265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 630.942274] Call Trace: [ 630.949298] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 630.951700] [ 630.985054] 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 [ 630.994425] dump_stack+0x244/0x39d [ 630.996978] lowmem_reserve[]: 0 2818 6321 6321 [ 631.024845] ? dump_stack_print_info.cold.1+0x20/0x20 [ 631.026983] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 631.053103] warn_alloc.cold.116+0xb7/0x1bd [ 631.056701] lowmem_reserve[]: 0 0 3503 3503 [ 631.061276] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 631.066440] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 631.093953] ? lock_downgrade+0x900/0x900 [ 631.098248] lowmem_reserve[]: 0 0 0 0 [ 631.102568] ? trace_hardirqs_off+0xb8/0x310 [ 631.107385] 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 [ 631.136554] ? trace_hardirqs_off+0xb8/0x310 [ 631.140681] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 631.144486] __alloc_pages_slowpath+0x26e8/0x2e10 [ 631.148862] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 631.162417] ? warn_alloc+0x120/0x120 [ 631.166784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 631.182051] ? warn_alloc+0x120/0x120 [ 631.186883] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 631.201277] ? warn_alloc+0x120/0x120 [ 631.205050] 12557 total pagecache pages [ 631.213887] ? print_usage_bug+0xc0/0xc0 [ 631.217667] 0 pages in swap cache [ 631.226233] ? print_usage_bug+0xc0/0xc0 [ 631.230021] Swap cache stats: add 0, delete 0, find 0/0 [ 631.233988] ? ktime_get+0x2c1/0x400 [ 631.238026] Free swap = 0kB [ 631.241474] ? check_preemption_disabled+0x48/0x280 [ 631.245521] Total swap = 0kB [ 631.250877] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 631.254563] 1965979 pages RAM [ 631.257582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 631.262567] 0 pages HighMem/MovableOnly [ 631.265580] ? should_fail+0x22d/0xd01 [ 631.270053] 342853 pages reserved [ 631.273153] ? kasan_check_read+0x11/0x20 [ 631.278665] 0 pages cma reserved [ 631.282632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 631.286558] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 631.289947] ? __lock_acquire+0x62f/0x4c20 [ 631.294120] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 631.297433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 631.302514] syz-executor1 cpuset=syz1 mems_allowed=0 [ 631.309003] ? should_fail+0x22d/0xd01 [ 631.337757] ? print_usage_bug+0xc0/0xc0 [ 631.341832] ? mark_held_locks+0x130/0x130 [ 631.346071] ? mark_held_locks+0x130/0x130 [ 631.350320] ? check_preemption_disabled+0x48/0x280 [ 631.355350] ? zap_class+0x640/0x640 [ 631.359074] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 631.363837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 631.369376] ? check_preemption_disabled+0x48/0x280 [ 631.374421] ? __lock_is_held+0xb5/0x140 [ 631.378491] __alloc_pages_nodemask+0xa80/0xde0 [ 631.383184] ? zap_class+0x640/0x640 [ 631.386903] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 631.391936] ? find_held_lock+0x36/0x1c0 [ 631.396010] ? ____cache_alloc_node+0x1c7/0x1e0 [ 631.400687] ? lock_downgrade+0x900/0x900 [ 631.404846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 631.410391] cache_grow_begin+0xa5/0x8c0 [ 631.414465] ? do_raw_spin_unlock+0xa7/0x330 [ 631.418883] fallback_alloc+0x204/0x2e0 [ 631.422865] ____cache_alloc_node+0x1c7/0x1e0 [ 631.427371] kmem_cache_alloc_node+0xe3/0x730 [ 631.431881] ? lockdep_hardirqs_on+0x296/0x5b0 [ 631.436479] __alloc_skb+0x119/0x770 [ 631.440206] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 631.445583] ? netdev_alloc_frag+0x1f0/0x1f0 [ 631.450012] ? vprintk_default+0x28/0x30 [ 631.454079] ? vprintk_func+0x85/0x181 [ 631.457973] ? printk+0xa7/0xcf [ 631.461252] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 631.466027] new_skb+0x26/0x1c0 [ 631.469313] aoecmd_cfg+0x279/0x7f0 [ 631.472943] ? find_held_lock+0x36/0x1c0 [ 631.477011] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 631.481342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 631.486895] ? __lock_is_held+0xb5/0x140 [ 631.490971] discover_timer+0x50/0x60 [ 631.494772] call_timer_fn+0x272/0x920 [ 631.498664] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 631.503507] ? process_timeout+0x40/0x40 [ 631.507581] ? mark_held_locks+0xc7/0x130 [ 631.511738] ? _raw_spin_unlock_irq+0x27/0x80 [ 631.516233] ? _raw_spin_unlock_irq+0x27/0x80 [ 631.520739] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 631.525585] ? lockdep_hardirqs_on+0x296/0x5b0 [ 631.530175] ? trace_hardirqs_on+0xbd/0x310 [ 631.534501] ? kasan_check_read+0x11/0x20 [ 631.538653] ? __run_timers+0x7da/0xc70 [ 631.542634] ? trace_hardirqs_off_caller+0x310/0x310 [ 631.547753] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 631.552596] __run_timers+0x7e5/0xc70 [ 631.556419] ? timer_fixup_init+0x70/0x70 [ 631.560573] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 631.565597] ? zap_class+0x640/0x640 [ 631.569319] ? print_usage_bug+0xc0/0xc0 [ 631.573387] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 631.578596] ? find_held_lock+0x36/0x1c0 [ 631.582669] ? zap_class+0x640/0x640 [ 631.586392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 631.591946] ? check_preemption_disabled+0x48/0x280 [ 631.596982] ? __lock_is_held+0xb5/0x140 [ 631.601047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 631.606588] ? check_preemption_disabled+0x48/0x280 [ 631.611610] run_timer_softirq+0x52/0xb0 [ 631.615676] ? rcu_read_lock_sched_held+0x14f/0x180 [ 631.620697] __do_softirq+0x308/0xb7e [ 631.624503] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 631.629016] ? lock_downgrade+0x900/0x900 [ 631.633183] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 631.638301] ? pvclock_read_flags+0x160/0x160 [ 631.642803] ? lapic_next_event+0x5a/0x90 [ 631.646956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 631.652499] ? kvm_clock_read+0x18/0x30 [ 631.656478] ? kvm_sched_clock_read+0x9/0x20 [ 631.660896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 631.666436] ? check_preemption_disabled+0x48/0x280 [ 631.671465] irq_exit+0x17f/0x1c0 [ 631.674925] smp_apic_timer_interrupt+0x1cb/0x760 [ 631.679770] ? smp_reschedule_interrupt+0x109/0x650 [ 631.684791] ? smp_call_function_single_interrupt+0x650/0x650 [ 631.690680] ? interrupt_entry+0xb5/0xc0 [ 631.694743] ? trace_hardirqs_off_caller+0xbb/0x310 [ 631.699757] ? trace_hardirqs_off_caller+0xbb/0x310 [ 631.704775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 631.709625] ? trace_hardirqs_on_caller+0x310/0x310 [ 631.714642] ? trace_hardirqs_on_caller+0x310/0x310 [ 631.719657] ? task_prio+0x50/0x50 [ 631.723206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 631.728745] ? check_preemption_disabled+0x48/0x280 [ 631.733767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 631.738623] apic_timer_interrupt+0xf/0x20 [ 631.742852] [ 631.745097] RIP: 0010:dump_stack+0x20e/0x39d [ 631.749505] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 631.768418] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 631.776128] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 631.783410] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 631.790679] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 631.797950] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 631.805216] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 631.812508] ? dump_stack+0x205/0x39d [ 631.816329] ? dump_stack_print_info.cold.1+0x20/0x20 [ 631.821529] ? mark_held_locks+0x130/0x130 [ 631.825763] ? mark_held_locks+0x130/0x130 [ 631.830008] dump_header+0x27b/0xf72 [ 631.833738] ? pagefault_out_of_memory+0x197/0x197 [ 631.838679] ? __lock_acquire+0x62f/0x4c20 [ 631.842921] ? percpu_ref_get_many+0x240/0x240 [ 631.847512] ? print_usage_bug+0xc0/0xc0 [ 631.851581] ? zap_class+0x640/0x640 [ 631.855299] ? print_usage_bug+0xc0/0xc0 [ 631.859364] ? print_usage_bug+0xc0/0xc0 [ 631.863440] ? zap_class+0x640/0x640 [ 631.867169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 631.872711] ? find_held_lock+0x36/0x1c0 [ 631.876789] ? mark_held_locks+0xc7/0x130 [ 631.880941] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 631.886042] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 631.891152] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 631.895744] ? trace_hardirqs_on+0xbd/0x310 [ 631.900066] ? kasan_check_read+0x11/0x20 [ 631.904215] ? ___ratelimit+0x3b4/0x672 [ 631.908368] ? trace_hardirqs_off_caller+0x310/0x310 [ 631.913485] ? trace_hardirqs_on+0x310/0x310 [ 631.917894] ? lock_downgrade+0x900/0x900 [ 631.922053] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 631.927162] ? ___ratelimit+0x3b9/0x672 [ 631.931143] ? idr_get_free+0xf70/0xf70 [ 631.935123] ? find_held_lock+0x36/0x1c0 [ 631.939201] oom_kill_process.cold.27+0x10/0x903 [ 631.943958] ? zap_class+0x640/0x640 [ 631.947672] ? check_preemption_disabled+0x48/0x280 [ 631.952702] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 631.957633] ? kasan_check_read+0x11/0x20 [ 631.961785] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 631.967064] ? oom_evaluate_task+0x540/0x540 [ 631.971476] ? find_held_lock+0x36/0x1c0 [ 631.975549] ? out_of_memory+0x974/0x1430 [ 631.979718] ? lock_downgrade+0x900/0x900 [ 631.983865] ? check_preemption_disabled+0x48/0x280 [ 631.988886] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 631.993825] ? kasan_check_read+0x11/0x20 [ 631.997976] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 632.003251] ? rcu_softirq_qs+0x20/0x20 [ 632.007244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 632.012784] ? oom_evaluate_task+0x302/0x540 [ 632.017210] out_of_memory+0xa84/0x1430 [ 632.021231] ? oom_killer_disable+0x3a0/0x3a0 [ 632.025757] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 632.030694] ? __ww_mutex_check_waiters+0x160/0x160 [ 632.035738] __alloc_pages_slowpath+0x2354/0x2e10 [ 632.040624] ? warn_alloc+0x120/0x120 [ 632.044431] ? mark_held_locks+0x130/0x130 [ 632.048671] ? find_get_entry+0xaae/0x1120 [ 632.052919] ? filemap_map_pages+0x1a20/0x1a20 [ 632.057519] ? zap_class+0x640/0x640 [ 632.061243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 632.066782] ? check_preemption_disabled+0x48/0x280 [ 632.071803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 632.077360] ? should_fail+0x22d/0xd01 [ 632.081252] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 632.086371] ? zap_class+0x640/0x640 [ 632.090130] ? __lock_is_held+0xb5/0x140 [ 632.094222] ? mark_held_locks+0x130/0x130 [ 632.098485] ? lock_release+0xa00/0xa00 [ 632.102466] ? perf_trace_sched_process_exec+0x860/0x860 [ 632.108414] ? xa_load+0x2ba/0x460 [ 632.111961] ? lock_downgrade+0x900/0x900 [ 632.116141] ? __might_sleep+0x95/0x190 [ 632.120125] __alloc_pages_nodemask+0xa80/0xde0 [ 632.124820] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 632.129853] ? __page_cache_alloc+0x191/0x5c0 [ 632.134350] ? xa_load+0x2e1/0x460 [ 632.137892] ? xa_clear_mark+0x40/0x40 [ 632.141785] ? zap_class+0x640/0x640 [ 632.145511] ? zap_class+0x640/0x640 [ 632.149226] ? zap_class+0x640/0x640 [ 632.152939] ? __do_page_cache_readahead+0x663/0x810 [ 632.158078] ? find_held_lock+0x36/0x1c0 [ 632.162184] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 632.167733] alloc_pages_current+0x173/0x350 [ 632.172171] __page_cache_alloc+0x38c/0x5c0 [ 632.176496] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 632.181429] ? kasan_check_read+0x11/0x20 [ 632.185573] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 632.190855] ? generic_perform_write+0x6a0/0x6a0 [ 632.195612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 632.201153] ? check_preemption_disabled+0x48/0x280 [ 632.206189] filemap_fault+0x1595/0x25f0 [ 632.210269] ? __lock_page_or_retry+0xa00/0xa00 [ 632.214939] ? mark_held_locks+0x130/0x130 [ 632.219214] ? filemap_map_pages+0xd6b/0x1a20 [ 632.223713] ? lock_downgrade+0x900/0x900 [ 632.227862] ? check_preemption_disabled+0x48/0x280 [ 632.232885] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 632.237815] ? kasan_check_read+0x11/0x20 [ 632.241969] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 632.247243] ? rcu_softirq_qs+0x20/0x20 [ 632.251253] ? filemap_map_pages+0xd92/0x1a20 [ 632.255761] ? find_get_entries_tag+0x1400/0x1400 [ 632.260608] ? debug_object_destroy+0x2b0/0x2b0 [ 632.265277] ? lock_pi_update_atomic+0x150/0x150 [ 632.270054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 632.275623] ? lock_acquire+0x1ed/0x520 [ 632.279599] ? ext4_filemap_fault+0x7a/0xad [ 632.283930] ? lock_release+0xa00/0xa00 [ 632.287902] ? perf_trace_sched_process_exec+0x860/0x860 [ 632.293353] ? print_usage_bug+0xc0/0xc0 [ 632.297421] ? print_usage_bug+0xc0/0xc0 [ 632.301510] ? down_read+0x8d/0x120 [ 632.305132] ? ext4_filemap_fault+0x7a/0xad [ 632.309460] ? __down_interruptible+0x700/0x700 [ 632.314137] ext4_filemap_fault+0x82/0xad [ 632.318290] __do_fault+0x100/0x6b0 [ 632.321916] ? find_held_lock+0x36/0x1c0 [ 632.325981] ? pmd_devmap_trans_unstable+0x220/0x220 [ 632.331086] ? mark_held_locks+0x130/0x130 [ 632.335322] ? mark_held_locks+0x130/0x130 [ 632.339565] ? debug_smp_processor_id+0x1c/0x20 [ 632.344235] ? perf_trace_lock+0x14d/0x7a0 [ 632.348469] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 632.353076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 632.358634] __handle_mm_fault+0x3ea0/0x5be0 [ 632.363056] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 632.367901] ? lock_is_held_type+0x210/0x210 [ 632.372320] ? preempt_notifier_register+0x200/0x200 [ 632.377428] ? __switch_to_asm+0x34/0x70 [ 632.381515] ? __switch_to_asm+0x34/0x70 [ 632.385604] ? zap_class+0x640/0x640 [ 632.389315] ? zap_class+0x640/0x640 [ 632.393026] ? __x64_sys_futex+0x53e/0x6a0 [ 632.397265] ? find_held_lock+0x36/0x1c0 [ 632.401347] ? handle_mm_fault+0x42a/0xc70 [ 632.405586] ? lock_downgrade+0x900/0x900 [ 632.409761] ? check_preemption_disabled+0x48/0x280 [ 632.414785] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 632.419713] ? kasan_check_read+0x11/0x20 [ 632.423861] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 632.429147] ? rcu_softirq_qs+0x20/0x20 [ 632.433123] ? trace_hardirqs_off_caller+0x310/0x310 [ 632.438230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 632.443772] ? check_preemption_disabled+0x48/0x280 [ 632.448802] handle_mm_fault+0x54f/0xc70 [ 632.452871] ? __handle_mm_fault+0x5be0/0x5be0 [ 632.457458] ? find_vma+0x34/0x190 [ 632.461004] __do_page_fault+0x5e8/0xe60 [ 632.465068] ? trace_hardirqs_off+0xb8/0x310 [ 632.469490] do_page_fault+0xf2/0x7e0 [ 632.473292] ? vmalloc_sync_all+0x30/0x30 [ 632.477467] ? error_entry+0x70/0xd0 [ 632.481187] ? trace_hardirqs_off_caller+0xbb/0x310 [ 632.486201] ? trace_hardirqs_on_caller+0xc0/0x310 [ 632.491131] ? syscall_return_slowpath+0x5e0/0x5e0 [ 632.496078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 632.500923] ? trace_hardirqs_on_caller+0x310/0x310 [ 632.505941] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 632.511396] ? prepare_exit_to_usermode+0x291/0x3b0 [ 632.516442] ? page_fault+0x8/0x30 [ 632.519999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 632.524846] ? page_fault+0x8/0x30 [ 632.528387] page_fault+0x1e/0x30 [ 632.531849] RIP: 0033:0x40f9c0 [ 632.535050] Code: Bad RIP value. [ 632.538417] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 632.543782] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 632.551066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 632.558328] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 632.565592] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 632.572866] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 632.580177] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 632.580253] aoe: skb alloc failure [ 632.587464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 632.587469] Call Trace: [ 632.587477] [ 632.587499] dump_stack+0x244/0x39d [ 632.587519] ? dump_stack_print_info.cold.1+0x20/0x20 [ 632.591067] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 632.600395] warn_alloc.cold.116+0xb7/0x1bd [ 632.602955] syz-fuzzer cpuset=/ mems_allowed=0 [ 632.605097] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 632.637832] ? lock_downgrade+0x900/0x900 [ 632.641985] ? trace_hardirqs_off+0xb8/0x310 [ 632.646406] ? trace_hardirqs_off+0xb8/0x310 [ 632.650824] __alloc_pages_slowpath+0x26e8/0x2e10 [ 632.655707] ? warn_alloc+0x120/0x120 [ 632.659514] ? print_usage_bug+0xc0/0xc0 [ 632.663576] ? warn_alloc+0x120/0x120 [ 632.667380] ? warn_alloc+0x120/0x120 [ 632.671192] ? print_usage_bug+0xc0/0xc0 [ 632.675261] ? print_usage_bug+0xc0/0xc0 [ 632.679327] ? __lock_acquire+0x62f/0x4c20 [ 632.683582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 632.689139] ? should_fail+0x22d/0xd01 [ 632.693031] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 632.698137] ? __lock_acquire+0x62f/0x4c20 [ 632.702379] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 632.707491] ? __lock_acquire+0x62f/0x4c20 [ 632.711726] ? should_fail+0x22d/0xd01 [ 632.715618] ? find_held_lock+0x36/0x1c0 [ 632.719695] ? mark_held_locks+0x130/0x130 [ 632.723936] ? mark_held_locks+0x130/0x130 [ 632.728198] ? zap_class+0x640/0x640 [ 632.731908] ? zap_class+0x640/0x640 [ 632.735625] ? print_usage_bug+0xc0/0xc0 [ 632.739689] ? do_raw_spin_unlock+0xa7/0x330 [ 632.744097] ? zap_class+0x640/0x640 [ 632.747815] ? print_usage_bug+0xc0/0xc0 [ 632.751896] ? wq_watchdog_touch+0x9c/0xfe [ 632.756135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 632.761680] ? check_preemption_disabled+0x48/0x280 [ 632.766706] ? __lock_is_held+0xb5/0x140 [ 632.770774] __alloc_pages_nodemask+0xa80/0xde0 [ 632.775455] ? zap_class+0x640/0x640 [ 632.779205] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 632.784238] ? find_held_lock+0x36/0x1c0 [ 632.788311] ? ____cache_alloc_node+0x1c7/0x1e0 [ 632.792984] ? lock_downgrade+0x900/0x900 [ 632.797156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 632.802702] cache_grow_begin+0xa5/0x8c0 [ 632.806767] ? do_raw_spin_unlock+0xa7/0x330 [ 632.811183] fallback_alloc+0x204/0x2e0 [ 632.815163] ____cache_alloc_node+0x1c7/0x1e0 [ 632.819683] kmem_cache_alloc_node+0xe3/0x730 [ 632.824178] ? ipv6_get_ifaddr+0x42e/0x620 [ 632.828432] __alloc_skb+0x119/0x770 [ 632.832171] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 632.837462] ? netdev_alloc_frag+0x1f0/0x1f0 [ 632.841873] ? lock_downgrade+0x900/0x900 [ 632.846032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 632.851578] ? refcount_sub_and_test_checked+0x203/0x310 [ 632.857032] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 632.862488] ? addrconf_rs_timer+0x690/0x690 [ 632.866911] ndisc_alloc_skb+0x144/0x340 [ 632.870982] ndisc_send_rs+0x331/0x6e0 [ 632.874877] addrconf_rs_timer+0x314/0x690 [ 632.879121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 632.883366] call_timer_fn+0x272/0x920 [ 632.887260] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 632.891499] ? process_timeout+0x40/0x40 [ 632.895567] ? __run_timers+0x7da/0xc70 [ 632.899550] ? _raw_spin_unlock_irq+0x27/0x80 [ 632.904054] ? _raw_spin_unlock_irq+0x27/0x80 [ 632.908546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 632.912784] ? lockdep_hardirqs_on+0x296/0x5b0 [ 632.917371] ? trace_hardirqs_on+0xbd/0x310 [ 632.921698] ? kasan_check_read+0x11/0x20 [ 632.925843] ? __run_timers+0x7da/0xc70 [ 632.929823] ? trace_hardirqs_off_caller+0x310/0x310 [ 632.934935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 632.939175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 632.943416] __run_timers+0x7e5/0xc70 [ 632.947228] ? timer_fixup_init+0x70/0x70 [ 632.951380] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 632.956421] ? zap_class+0x640/0x640 [ 632.960143] ? enqueue_hrtimer+0x1a5/0x560 [ 632.964384] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 632.969588] ? find_held_lock+0x36/0x1c0 [ 632.973663] ? zap_class+0x640/0x640 [ 632.977598] ? pvclock_read_flags+0x160/0x160 [ 632.982098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 632.987637] ? check_preemption_disabled+0x48/0x280 [ 632.992673] ? __lock_is_held+0xb5/0x140 [ 632.996734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 633.002302] ? check_preemption_disabled+0x48/0x280 [ 633.007324] run_timer_softirq+0x52/0xb0 [ 633.011410] ? rcu_read_lock_sched_held+0x14f/0x180 [ 633.016447] __do_softirq+0x308/0xb7e [ 633.020271] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 633.024779] ? lock_downgrade+0x900/0x900 [ 633.028933] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 633.034047] ? pvclock_read_flags+0x160/0x160 [ 633.038547] ? lapic_next_event+0x5a/0x90 [ 633.042715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 633.048258] ? kvm_clock_read+0x18/0x30 [ 633.052234] ? kvm_sched_clock_read+0x9/0x20 [ 633.056647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 633.062191] ? check_preemption_disabled+0x48/0x280 [ 633.067221] irq_exit+0x17f/0x1c0 [ 633.070682] smp_apic_timer_interrupt+0x1cb/0x760 [ 633.075527] ? smp_reschedule_interrupt+0x109/0x650 [ 633.080544] ? smp_call_function_single_interrupt+0x650/0x650 [ 633.086453] ? interrupt_entry+0xb5/0xc0 [ 633.090526] ? trace_hardirqs_off_caller+0xbb/0x310 [ 633.095541] ? trace_hardirqs_off_caller+0xbb/0x310 [ 633.100564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 633.105420] ? trace_hardirqs_on_caller+0x310/0x310 [ 633.110439] ? trace_hardirqs_on_caller+0x310/0x310 [ 633.115460] ? task_prio+0x50/0x50 [ 633.119009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 633.124552] ? check_preemption_disabled+0x48/0x280 [ 633.129578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 633.134450] apic_timer_interrupt+0xf/0x20 [ 633.138686] [ 633.140930] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 633.145863] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 633.164767] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 633.172472] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 633.179741] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 633.187015] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 633.194281] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 633.201548] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 633.208869] skb_clone+0x1bb/0x500 [ 633.212419] ? finish_task_switch+0x1b4/0x910 [ 633.216914] ? skb_split+0x11e0/0x11e0 [ 633.220808] ? preempt_notifier_register+0x200/0x200 [ 633.225911] ? __switch_to_asm+0x34/0x70 [ 633.229974] ? __switch_to_asm+0x34/0x70 [ 633.234029] ? __switch_to_asm+0x40/0x70 [ 633.238103] ? __switch_to_asm+0x34/0x70 [ 633.242162] ? __switch_to_asm+0x40/0x70 [ 633.246234] ? __switch_to_asm+0x34/0x70 [ 633.250308] ? __switch_to_asm+0x40/0x70 [ 633.254369] ? __switch_to_asm+0x34/0x70 [ 633.258440] ? __switch_to_asm+0x34/0x70 [ 633.262497] ? __switch_to_asm+0x40/0x70 [ 633.266553] ? __switch_to_asm+0x34/0x70 [ 633.270620] bpf_clone_redirect+0xb9/0x490 [ 633.274876] ? __schedule+0x8d7/0x21d0 [ 633.278768] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 633.283786] ? __sched_text_start+0x8/0x8 [ 633.287936] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 633.292514] ? retint_kernel+0x2d/0x2d [ 633.296411] ? trace_hardirqs_on_caller+0xc0/0x310 [ 633.301346] ? find_held_lock+0x36/0x1c0 [ 633.305424] ? lock_acquire+0x1ed/0x520 [ 633.309423] ? bpf_test_run+0x3cb/0x780 [ 633.313407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 633.318951] ? check_preemption_disabled+0x48/0x280 [ 633.323974] ? kasan_check_read+0x11/0x20 [ 633.328168] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 633.333448] ? rcu_softirq_qs+0x20/0x20 [ 633.337432] ? preempt_schedule+0x4d/0x60 [ 633.341585] ? ___preempt_schedule+0x16/0x18 [ 633.346002] ? bpf_test_run+0x25d/0x780 [ 633.349989] ? netlink_diag_dump+0x2a0/0x2a0 [ 633.354413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 633.359952] ? bpf_test_init.isra.10+0x70/0x100 [ 633.364630] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 633.369432] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 633.374279] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 633.379815] ? fput+0x130/0x1a0 [ 633.383098] ? __bpf_prog_get+0x9b/0x290 [ 633.387161] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 633.392004] ? bpf_prog_test_run+0x130/0x1a0 [ 633.396425] ? __x64_sys_bpf+0x3d8/0x520 [ 633.400519] ? bpf_prog_get+0x20/0x20 [ 633.404374] ? do_syscall_64+0x1b9/0x820 [ 633.408441] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 633.413806] ? syscall_return_slowpath+0x5e0/0x5e0 [ 633.418734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 633.423580] ? trace_hardirqs_on_caller+0x310/0x310 [ 633.428596] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 633.433630] ? prepare_exit_to_usermode+0x291/0x3b0 [ 633.438708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 633.443576] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 633.448958] warn_alloc_show_mem: 1 callbacks suppressed [ 633.448970] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 633.448972] Mem-Info: [ 633.449004] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 633.449004] active_file:14 inactive_file:14 isolated_file:0 [ 633.449004] unevictable:0 dirty:0 writeback:0 unstable:0 [ 633.449004] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 633.449004] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 633.449004] free:13772 free_pcp:380 free_cma:0 [ 633.454355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 633.461373] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 633.463770] Call Trace: [ 633.496903] 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 [ 633.506259] [ 633.534081] lowmem_reserve[]: 0 2818 6321 6321 [ 633.536694] dump_stack+0x244/0x39d [ 633.562771] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 633.564944] ? dump_stack_print_info.cold.1+0x20/0x20 [ 633.569498] lowmem_reserve[]: 0 0 3503 3503 [ 633.573126] warn_alloc.cold.116+0xb7/0x1bd [ 633.600605] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 633.605796] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 633.610099] lowmem_reserve[]: 0 0 0 0 [ 633.614424] ? lock_downgrade+0x900/0x900 [ 633.643555] 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 [ 633.648430] ? trace_hardirqs_off+0xb8/0x310 [ 633.652192] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 633.656360] ? trace_hardirqs_off+0xb8/0x310 [ 633.669844] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 633.674264] __alloc_pages_slowpath+0x26e8/0x2e10 [ 633.689496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 633.693917] ? warn_alloc+0x120/0x120 [ 633.708276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 633.713122] ? warn_alloc+0x120/0x120 [ 633.721927] 12557 total pagecache pages [ 633.725738] ? __lock_acquire+0x62f/0x4c20 [ 633.734289] 0 pages in swap cache [ 633.738075] ? warn_alloc+0x120/0x120 [ 633.742025] Swap cache stats: add 0, delete 0, find 0/0 [ 633.746249] ? print_usage_bug+0xc0/0xc0 [ 633.749687] Free swap = 0kB [ 633.753484] ? print_usage_bug+0xc0/0xc0 [ 633.758827] Total swap = 0kB [ 633.762875] ? mark_held_locks+0x130/0x130 [ 633.765867] 1965979 pages RAM [ 633.769927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 633.772916] 0 pages HighMem/MovableOnly [ 633.777167] ? should_fail+0x22d/0xd01 [ 633.780249] 342853 pages reserved [ 633.785776] ? zap_class+0x640/0x640 [ 633.789726] 0 pages cma reserved [ 633.793608] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 633.797106] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 633.800742] ? __lock_acquire+0x62f/0x4c20 [ 633.804164] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 633.809203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 633.815675] syz-executor1 cpuset=syz1 mems_allowed=0 [ 633.819905] ? should_fail+0x22d/0xd01 [ 633.844468] ? mark_held_locks+0x130/0x130 [ 633.848721] ? mark_held_locks+0x130/0x130 [ 633.852953] ? lock_downgrade+0x900/0x900 [ 633.857106] ? zap_class+0x640/0x640 [ 633.860819] ? zap_class+0x640/0x640 [ 633.864535] ? zap_class+0x640/0x640 [ 633.868247] ? do_raw_spin_unlock+0xa7/0x330 [ 633.872656] ? trace_hardirqs_on+0x310/0x310 [ 633.877066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 633.882605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 633.888146] ? check_preemption_disabled+0x48/0x280 [ 633.893184] ? __lock_is_held+0xb5/0x140 [ 633.897285] __alloc_pages_nodemask+0xa80/0xde0 [ 633.901970] ? zap_class+0x640/0x640 [ 633.905701] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 633.910730] ? find_held_lock+0x36/0x1c0 [ 633.914807] ? ____cache_alloc_node+0x1c7/0x1e0 [ 633.919479] ? lock_downgrade+0x900/0x900 [ 633.923640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 633.929188] cache_grow_begin+0xa5/0x8c0 [ 633.933252] ? do_raw_spin_unlock+0xa7/0x330 [ 633.937674] fallback_alloc+0x204/0x2e0 [ 633.941657] ____cache_alloc_node+0x1c7/0x1e0 [ 633.946200] kmem_cache_alloc_node+0xe3/0x730 [ 633.950731] ? lockdep_hardirqs_on+0x296/0x5b0 [ 633.955324] __alloc_skb+0x119/0x770 [ 633.959039] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 633.964422] ? netdev_alloc_frag+0x1f0/0x1f0 [ 633.968841] ? vprintk_default+0x28/0x30 [ 633.972904] ? vprintk_func+0x85/0x181 [ 633.976803] ? printk+0xa7/0xcf [ 633.980086] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 633.984871] new_skb+0x26/0x1c0 [ 633.988156] aoecmd_cfg+0x279/0x7f0 [ 633.991791] ? find_held_lock+0x36/0x1c0 [ 633.995859] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 634.000197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 634.005780] ? __lock_is_held+0xb5/0x140 [ 634.009869] discover_timer+0x50/0x60 [ 634.013672] call_timer_fn+0x272/0x920 [ 634.017579] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 634.022426] ? process_timeout+0x40/0x40 [ 634.026504] ? mark_held_locks+0xc7/0x130 [ 634.030654] ? _raw_spin_unlock_irq+0x27/0x80 [ 634.035145] ? _raw_spin_unlock_irq+0x27/0x80 [ 634.039644] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 634.044490] ? lockdep_hardirqs_on+0x296/0x5b0 [ 634.049078] ? trace_hardirqs_on+0xbd/0x310 [ 634.053408] ? kasan_check_read+0x11/0x20 [ 634.057557] ? __run_timers+0x7da/0xc70 [ 634.061539] ? trace_hardirqs_off_caller+0x310/0x310 [ 634.066672] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 634.071517] __run_timers+0x7e5/0xc70 [ 634.075344] ? timer_fixup_init+0x70/0x70 [ 634.079498] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 634.084517] ? zap_class+0x640/0x640 [ 634.088269] ? print_usage_bug+0xc0/0xc0 [ 634.092332] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 634.097531] ? find_held_lock+0x36/0x1c0 [ 634.101605] ? zap_class+0x640/0x640 [ 634.105326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 634.111362] ? check_preemption_disabled+0x48/0x280 [ 634.116414] ? __lock_is_held+0xb5/0x140 [ 634.120503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 634.126045] ? check_preemption_disabled+0x48/0x280 [ 634.131068] run_timer_softirq+0x52/0xb0 [ 634.135132] ? rcu_read_lock_sched_held+0x14f/0x180 [ 634.140153] __do_softirq+0x308/0xb7e [ 634.143964] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 634.148464] ? lock_downgrade+0x900/0x900 [ 634.152616] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 634.157743] ? pvclock_read_flags+0x160/0x160 [ 634.162243] ? lapic_next_event+0x5a/0x90 [ 634.166393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 634.171946] ? kvm_clock_read+0x18/0x30 [ 634.175924] ? kvm_sched_clock_read+0x9/0x20 [ 634.180334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 634.185879] ? check_preemption_disabled+0x48/0x280 [ 634.190905] irq_exit+0x17f/0x1c0 [ 634.194364] smp_apic_timer_interrupt+0x1cb/0x760 [ 634.199216] ? smp_reschedule_interrupt+0x109/0x650 [ 634.204240] ? smp_call_function_single_interrupt+0x650/0x650 [ 634.210126] ? interrupt_entry+0xb5/0xc0 [ 634.214209] ? trace_hardirqs_off_caller+0xbb/0x310 [ 634.219223] ? trace_hardirqs_off_caller+0xbb/0x310 [ 634.224245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 634.229093] ? trace_hardirqs_on_caller+0x310/0x310 [ 634.234114] ? trace_hardirqs_on_caller+0x310/0x310 [ 634.239132] ? task_prio+0x50/0x50 [ 634.242681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 634.248224] ? check_preemption_disabled+0x48/0x280 [ 634.253253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 634.258107] apic_timer_interrupt+0xf/0x20 [ 634.262339] [ 634.264579] RIP: 0010:dump_stack+0x20e/0x39d [ 634.268989] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 634.287893] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 634.295614] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 634.302895] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 634.310168] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 634.317437] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 634.324709] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 634.332004] ? dump_stack+0x205/0x39d [ 634.335821] ? dump_stack_print_info.cold.1+0x20/0x20 [ 634.341017] ? mark_held_locks+0x130/0x130 [ 634.345254] ? mark_held_locks+0x130/0x130 [ 634.349507] dump_header+0x27b/0xf72 [ 634.353240] ? pagefault_out_of_memory+0x197/0x197 [ 634.358190] ? __lock_acquire+0x62f/0x4c20 [ 634.362438] ? percpu_ref_get_many+0x240/0x240 [ 634.367025] ? print_usage_bug+0xc0/0xc0 [ 634.371093] ? zap_class+0x640/0x640 [ 634.374813] ? print_usage_bug+0xc0/0xc0 [ 634.378879] ? print_usage_bug+0xc0/0xc0 [ 634.382943] ? zap_class+0x640/0x640 [ 634.386666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 634.392226] ? find_held_lock+0x36/0x1c0 [ 634.396311] ? mark_held_locks+0xc7/0x130 [ 634.400479] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 634.405590] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 634.410700] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 634.415289] ? trace_hardirqs_on+0xbd/0x310 [ 634.419613] ? kasan_check_read+0x11/0x20 [ 634.423766] ? ___ratelimit+0x3b4/0x672 [ 634.427743] ? trace_hardirqs_off_caller+0x310/0x310 [ 634.432860] ? trace_hardirqs_on+0x310/0x310 [ 634.437277] ? lock_downgrade+0x900/0x900 [ 634.441438] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 634.446548] ? ___ratelimit+0x3b9/0x672 [ 634.450528] ? idr_get_free+0xf70/0xf70 [ 634.454508] ? find_held_lock+0x36/0x1c0 [ 634.458583] oom_kill_process.cold.27+0x10/0x903 [ 634.463343] ? zap_class+0x640/0x640 [ 634.467081] ? check_preemption_disabled+0x48/0x280 [ 634.472121] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 634.477056] ? kasan_check_read+0x11/0x20 [ 634.481208] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 634.486499] ? oom_evaluate_task+0x540/0x540 [ 634.490919] ? find_held_lock+0x36/0x1c0 [ 634.494996] ? out_of_memory+0x974/0x1430 [ 634.499147] ? lock_downgrade+0x900/0x900 [ 634.503304] ? check_preemption_disabled+0x48/0x280 [ 634.508326] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 634.513261] ? kasan_check_read+0x11/0x20 [ 634.517421] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 634.522704] ? rcu_softirq_qs+0x20/0x20 [ 634.526689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 634.532228] ? oom_evaluate_task+0x302/0x540 [ 634.536644] out_of_memory+0xa84/0x1430 [ 634.540634] ? oom_killer_disable+0x3a0/0x3a0 [ 634.545148] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 634.550091] ? __ww_mutex_check_waiters+0x160/0x160 [ 634.555121] __alloc_pages_slowpath+0x2354/0x2e10 [ 634.559995] ? warn_alloc+0x120/0x120 [ 634.563796] ? mark_held_locks+0x130/0x130 [ 634.568037] ? find_get_entry+0xaae/0x1120 [ 634.572301] ? filemap_map_pages+0x1a20/0x1a20 [ 634.576890] ? zap_class+0x640/0x640 [ 634.580615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 634.586165] ? check_preemption_disabled+0x48/0x280 [ 634.591187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 634.596729] ? should_fail+0x22d/0xd01 [ 634.600623] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 634.605731] ? zap_class+0x640/0x640 [ 634.609476] ? __lock_is_held+0xb5/0x140 [ 634.613551] ? mark_held_locks+0x130/0x130 [ 634.617790] ? lock_release+0xa00/0xa00 [ 634.621769] ? perf_trace_sched_process_exec+0x860/0x860 [ 634.627222] ? xa_load+0x2ba/0x460 [ 634.630767] ? lock_downgrade+0x900/0x900 [ 634.634925] ? __might_sleep+0x95/0x190 [ 634.638912] __alloc_pages_nodemask+0xa80/0xde0 [ 634.643596] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 634.648620] ? __page_cache_alloc+0x191/0x5c0 [ 634.653125] ? xa_load+0x2e1/0x460 [ 634.656673] ? xa_clear_mark+0x40/0x40 [ 634.660571] ? zap_class+0x640/0x640 [ 634.664301] ? zap_class+0x640/0x640 [ 634.668022] ? zap_class+0x640/0x640 [ 634.671777] ? __do_page_cache_readahead+0x663/0x810 [ 634.676887] ? find_held_lock+0x36/0x1c0 [ 634.680959] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 634.686506] alloc_pages_current+0x173/0x350 [ 634.690930] __page_cache_alloc+0x38c/0x5c0 [ 634.695253] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 634.700187] ? kasan_check_read+0x11/0x20 [ 634.704335] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 634.709620] ? generic_perform_write+0x6a0/0x6a0 [ 634.714384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 634.719934] ? check_preemption_disabled+0x48/0x280 [ 634.724963] filemap_fault+0x1595/0x25f0 [ 634.729047] ? __lock_page_or_retry+0xa00/0xa00 [ 634.733728] ? mark_held_locks+0x130/0x130 [ 634.737997] ? filemap_map_pages+0xd6b/0x1a20 [ 634.742501] ? lock_downgrade+0x900/0x900 [ 634.746654] ? check_preemption_disabled+0x48/0x280 [ 634.751675] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 634.756605] ? kasan_check_read+0x11/0x20 [ 634.760753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 634.766032] ? rcu_softirq_qs+0x20/0x20 [ 634.770022] ? filemap_map_pages+0xd92/0x1a20 [ 634.774533] ? find_get_entries_tag+0x1400/0x1400 [ 634.779380] ? debug_object_destroy+0x2b0/0x2b0 [ 634.784059] ? lock_pi_update_atomic+0x150/0x150 [ 634.788821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 634.794375] ? lock_acquire+0x1ed/0x520 [ 634.798355] ? ext4_filemap_fault+0x7a/0xad [ 634.802688] ? lock_release+0xa00/0xa00 [ 634.806673] ? perf_trace_sched_process_exec+0x860/0x860 [ 634.812135] ? print_usage_bug+0xc0/0xc0 [ 634.816203] ? print_usage_bug+0xc0/0xc0 [ 634.820281] ? down_read+0x8d/0x120 [ 634.823910] ? ext4_filemap_fault+0x7a/0xad [ 634.828241] ? __down_interruptible+0x700/0x700 [ 634.832921] ext4_filemap_fault+0x82/0xad [ 634.837089] __do_fault+0x100/0x6b0 [ 634.840721] ? find_held_lock+0x36/0x1c0 [ 634.844790] ? pmd_devmap_trans_unstable+0x220/0x220 [ 634.849901] ? mark_held_locks+0x130/0x130 [ 634.854139] ? mark_held_locks+0x130/0x130 [ 634.858386] ? debug_smp_processor_id+0x1c/0x20 [ 634.863068] ? perf_trace_lock+0x14d/0x7a0 [ 634.867306] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 634.871898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 634.877458] __handle_mm_fault+0x3ea0/0x5be0 [ 634.881884] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 634.886731] ? lock_is_held_type+0x210/0x210 [ 634.891150] ? preempt_notifier_register+0x200/0x200 [ 634.896259] ? __switch_to_asm+0x34/0x70 [ 634.900318] ? __switch_to_asm+0x34/0x70 [ 634.904396] ? zap_class+0x640/0x640 [ 634.908122] ? zap_class+0x640/0x640 [ 634.911835] ? __x64_sys_futex+0x53e/0x6a0 [ 634.916080] ? find_held_lock+0x36/0x1c0 [ 634.920156] ? handle_mm_fault+0x42a/0xc70 [ 634.924420] ? lock_downgrade+0x900/0x900 [ 634.928570] ? check_preemption_disabled+0x48/0x280 [ 634.933593] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 634.938525] ? kasan_check_read+0x11/0x20 [ 634.942674] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 634.947954] ? rcu_softirq_qs+0x20/0x20 [ 634.951935] ? trace_hardirqs_off_caller+0x310/0x310 [ 634.957055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 634.962608] ? check_preemption_disabled+0x48/0x280 [ 634.967642] handle_mm_fault+0x54f/0xc70 [ 634.971716] ? __handle_mm_fault+0x5be0/0x5be0 [ 634.976511] ? find_vma+0x34/0x190 [ 634.980062] __do_page_fault+0x5e8/0xe60 [ 634.984170] ? trace_hardirqs_off+0xb8/0x310 [ 634.988597] do_page_fault+0xf2/0x7e0 [ 634.992415] ? vmalloc_sync_all+0x30/0x30 [ 634.996567] ? error_entry+0x70/0xd0 [ 635.000287] ? trace_hardirqs_off_caller+0xbb/0x310 [ 635.005308] ? trace_hardirqs_on_caller+0xc0/0x310 [ 635.010239] ? syscall_return_slowpath+0x5e0/0x5e0 [ 635.015177] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 635.020027] ? trace_hardirqs_on_caller+0x310/0x310 [ 635.025045] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 635.030509] ? prepare_exit_to_usermode+0x291/0x3b0 [ 635.035528] ? page_fault+0x8/0x30 [ 635.039072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 635.043924] ? page_fault+0x8/0x30 [ 635.047469] page_fault+0x1e/0x30 [ 635.050921] RIP: 0033:0x40f9c0 [ 635.054124] Code: Bad RIP value. [ 635.057490] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 635.062853] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 635.070123] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 635.077390] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 635.084673] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 635.091947] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 635.099261] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 635.099324] aoe: skb alloc failure [ 635.106540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 635.106545] Call Trace: [ 635.106552] [ 635.106575] dump_stack+0x244/0x39d [ 635.106598] ? dump_stack_print_info.cold.1+0x20/0x20 [ 635.110149] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 635.119478] warn_alloc.cold.116+0xb7/0x1bd [ 635.122041] syz-fuzzer cpuset=/ mems_allowed=0 [ 635.124197] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 635.156897] ? lock_downgrade+0x900/0x900 [ 635.161058] ? trace_hardirqs_off+0xb8/0x310 [ 635.165474] ? trace_hardirqs_off+0xb8/0x310 [ 635.169891] __alloc_pages_slowpath+0x26e8/0x2e10 [ 635.174766] ? warn_alloc+0x120/0x120 [ 635.178570] ? print_usage_bug+0xc0/0xc0 [ 635.182638] ? warn_alloc+0x120/0x120 [ 635.186453] ? warn_alloc+0x120/0x120 [ 635.190255] ? print_usage_bug+0xc0/0xc0 [ 635.194323] ? print_usage_bug+0xc0/0xc0 [ 635.198388] ? __lock_acquire+0x62f/0x4c20 [ 635.202648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 635.208194] ? should_fail+0x22d/0xd01 [ 635.212091] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 635.217195] ? __lock_acquire+0x62f/0x4c20 [ 635.221445] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 635.226549] ? __lock_acquire+0x62f/0x4c20 [ 635.230781] ? should_fail+0x22d/0xd01 [ 635.234674] ? find_held_lock+0x36/0x1c0 [ 635.238748] ? mark_held_locks+0x130/0x130 [ 635.242990] ? mark_held_locks+0x130/0x130 [ 635.247227] ? zap_class+0x640/0x640 [ 635.250946] ? zap_class+0x640/0x640 [ 635.254669] ? print_usage_bug+0xc0/0xc0 [ 635.258734] ? do_raw_spin_unlock+0xa7/0x330 [ 635.263147] ? zap_class+0x640/0x640 [ 635.266861] ? print_usage_bug+0xc0/0xc0 [ 635.270924] ? wq_watchdog_touch+0x9c/0xfe [ 635.275164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 635.280711] ? check_preemption_disabled+0x48/0x280 [ 635.285743] ? __lock_is_held+0xb5/0x140 [ 635.289816] __alloc_pages_nodemask+0xa80/0xde0 [ 635.294491] ? zap_class+0x640/0x640 [ 635.298212] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 635.303241] ? find_held_lock+0x36/0x1c0 [ 635.307312] ? ____cache_alloc_node+0x1c7/0x1e0 [ 635.312001] ? lock_downgrade+0x900/0x900 [ 635.316160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 635.321706] cache_grow_begin+0xa5/0x8c0 [ 635.325770] ? do_raw_spin_unlock+0xa7/0x330 [ 635.330191] fallback_alloc+0x204/0x2e0 [ 635.334173] ____cache_alloc_node+0x1c7/0x1e0 [ 635.338682] kmem_cache_alloc_node+0xe3/0x730 [ 635.343178] ? ipv6_get_ifaddr+0x42e/0x620 [ 635.347436] __alloc_skb+0x119/0x770 [ 635.351154] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 635.356466] ? netdev_alloc_frag+0x1f0/0x1f0 [ 635.360883] ? lock_downgrade+0x900/0x900 [ 635.365073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 635.370616] ? refcount_sub_and_test_checked+0x203/0x310 [ 635.376072] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 635.381528] ? addrconf_rs_timer+0x690/0x690 [ 635.385957] ndisc_alloc_skb+0x144/0x340 [ 635.390025] ndisc_send_rs+0x331/0x6e0 [ 635.393918] addrconf_rs_timer+0x314/0x690 [ 635.398161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 635.402418] call_timer_fn+0x272/0x920 [ 635.406308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 635.410550] ? process_timeout+0x40/0x40 [ 635.414622] ? __run_timers+0x7da/0xc70 [ 635.418598] ? _raw_spin_unlock_irq+0x27/0x80 [ 635.423096] ? _raw_spin_unlock_irq+0x27/0x80 [ 635.427595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 635.431832] ? lockdep_hardirqs_on+0x296/0x5b0 [ 635.436427] ? trace_hardirqs_on+0xbd/0x310 [ 635.440750] ? kasan_check_read+0x11/0x20 [ 635.444896] ? __run_timers+0x7da/0xc70 [ 635.448874] ? trace_hardirqs_off_caller+0x310/0x310 [ 635.453983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 635.458238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 635.462473] __run_timers+0x7e5/0xc70 [ 635.466289] ? timer_fixup_init+0x70/0x70 [ 635.470446] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 635.475468] ? zap_class+0x640/0x640 [ 635.479189] ? enqueue_hrtimer+0x1a5/0x560 [ 635.483436] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 635.488641] ? find_held_lock+0x36/0x1c0 [ 635.492713] ? zap_class+0x640/0x640 [ 635.496443] ? pvclock_read_flags+0x160/0x160 [ 635.500947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 635.506487] ? check_preemption_disabled+0x48/0x280 [ 635.511516] ? __lock_is_held+0xb5/0x140 [ 635.515582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 635.521123] ? check_preemption_disabled+0x48/0x280 [ 635.526150] run_timer_softirq+0x52/0xb0 [ 635.530215] ? rcu_read_lock_sched_held+0x14f/0x180 [ 635.535236] __do_softirq+0x308/0xb7e [ 635.539042] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 635.543541] ? lock_downgrade+0x900/0x900 [ 635.547696] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 635.552809] ? pvclock_read_flags+0x160/0x160 [ 635.557306] ? lapic_next_event+0x5a/0x90 [ 635.561461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 635.567007] ? kvm_clock_read+0x18/0x30 [ 635.570985] ? kvm_sched_clock_read+0x9/0x20 [ 635.575396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 635.580947] ? check_preemption_disabled+0x48/0x280 [ 635.585974] irq_exit+0x17f/0x1c0 [ 635.589435] smp_apic_timer_interrupt+0x1cb/0x760 [ 635.594282] ? smp_reschedule_interrupt+0x109/0x650 [ 635.599302] ? smp_call_function_single_interrupt+0x650/0x650 [ 635.605190] ? interrupt_entry+0xb5/0xc0 [ 635.609255] ? trace_hardirqs_off_caller+0xbb/0x310 [ 635.614270] ? trace_hardirqs_off_caller+0xbb/0x310 [ 635.619292] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 635.624137] ? trace_hardirqs_on_caller+0x310/0x310 [ 635.629151] ? trace_hardirqs_on_caller+0x310/0x310 [ 635.634176] ? task_prio+0x50/0x50 [ 635.637720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 635.643261] ? check_preemption_disabled+0x48/0x280 [ 635.648286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 635.653141] apic_timer_interrupt+0xf/0x20 [ 635.657375] [ 635.659624] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 635.664556] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 635.683485] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 635.691198] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 635.698468] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 635.705735] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 635.713002] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 635.720272] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 635.727591] skb_clone+0x1bb/0x500 [ 635.731136] ? finish_task_switch+0x1b4/0x910 [ 635.735640] ? skb_split+0x11e0/0x11e0 [ 635.739536] ? preempt_notifier_register+0x200/0x200 [ 635.744642] ? __switch_to_asm+0x34/0x70 [ 635.748708] ? __switch_to_asm+0x34/0x70 [ 635.752772] ? __switch_to_asm+0x40/0x70 [ 635.756833] ? __switch_to_asm+0x34/0x70 [ 635.760891] ? __switch_to_asm+0x40/0x70 [ 635.764953] ? __switch_to_asm+0x34/0x70 [ 635.769009] ? __switch_to_asm+0x40/0x70 [ 635.773068] ? __switch_to_asm+0x34/0x70 [ 635.777135] ? __switch_to_asm+0x34/0x70 [ 635.781195] ? __switch_to_asm+0x40/0x70 [ 635.785255] ? __switch_to_asm+0x34/0x70 [ 635.789323] bpf_clone_redirect+0xb9/0x490 [ 635.793562] ? __schedule+0x8d7/0x21d0 [ 635.797458] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 635.802479] ? __sched_text_start+0x8/0x8 [ 635.806637] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 635.811225] ? retint_kernel+0x2d/0x2d [ 635.815116] ? trace_hardirqs_on_caller+0xc0/0x310 [ 635.820053] ? find_held_lock+0x36/0x1c0 [ 635.824125] ? lock_acquire+0x1ed/0x520 [ 635.828104] ? bpf_test_run+0x3cb/0x780 [ 635.832085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 635.837631] ? check_preemption_disabled+0x48/0x280 [ 635.842669] ? kasan_check_read+0x11/0x20 [ 635.846818] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 635.852096] ? rcu_softirq_qs+0x20/0x20 [ 635.856073] ? preempt_schedule+0x4d/0x60 [ 635.860222] ? ___preempt_schedule+0x16/0x18 [ 635.864648] ? bpf_test_run+0x25d/0x780 [ 635.868646] ? netlink_diag_dump+0x2a0/0x2a0 [ 635.873073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 635.878625] ? bpf_test_init.isra.10+0x70/0x100 [ 635.883311] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 635.888083] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 635.892937] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 635.898489] ? fput+0x130/0x1a0 [ 635.901772] ? __bpf_prog_get+0x9b/0x290 [ 635.905840] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 635.910689] ? bpf_prog_test_run+0x130/0x1a0 [ 635.915101] ? __x64_sys_bpf+0x3d8/0x520 [ 635.919161] ? bpf_prog_get+0x20/0x20 [ 635.922984] ? do_syscall_64+0x1b9/0x820 [ 635.927044] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 635.932419] ? syscall_return_slowpath+0x5e0/0x5e0 [ 635.937352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 635.942204] ? trace_hardirqs_on_caller+0x310/0x310 [ 635.947234] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 635.952256] ? prepare_exit_to_usermode+0x291/0x3b0 [ 635.957285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 635.962142] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 635.967533] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 635.967539] warn_alloc_show_mem: 1 callbacks suppressed [ 635.967546] Mem-Info: [ 635.974562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 635.979935] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 635.979935] active_file:14 inactive_file:14 isolated_file:0 [ 635.979935] unevictable:0 dirty:0 writeback:0 unstable:0 [ 635.979935] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 635.979935] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 635.979935] free:13772 free_pcp:380 free_cma:0 [ 635.982304] Call Trace: [ 635.991694] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 636.024808] [ 636.027384] 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 [ 636.055249] dump_stack+0x244/0x39d [ 636.057382] lowmem_reserve[]: 0 2818 6321 6321 [ 636.083512] ? dump_stack_print_info.cold.1+0x20/0x20 [ 636.087113] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 636.091707] warn_alloc.cold.116+0xb7/0x1bd [ 636.096855] lowmem_reserve[]: 0 0 3503 3503 [ 636.124821] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 636.129127] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 636.133446] ? lock_downgrade+0x900/0x900 [ 636.138268] lowmem_reserve[]: 0 0 0 0 [ 636.167441] ? trace_hardirqs_off+0xb8/0x310 [ 636.171568] 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 [ 636.175370] ? trace_hardirqs_off+0xb8/0x310 [ 636.179746] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 636.193276] __alloc_pages_slowpath+0x26e8/0x2e10 [ 636.197651] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 636.212943] ? warn_alloc+0x120/0x120 [ 636.217740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 636.232132] ? warn_alloc+0x120/0x120 [ 636.235907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 636.244734] ? __lock_acquire+0x62f/0x4c20 [ 636.248505] 12557 total pagecache pages [ 636.257077] ? warn_alloc+0x120/0x120 [ 636.261287] 0 pages in swap cache [ 636.265252] ? print_usage_bug+0xc0/0xc0 [ 636.269032] Swap cache stats: add 0, delete 0, find 0/0 [ 636.272479] ? print_usage_bug+0xc0/0xc0 [ 636.276511] Free swap = 0kB [ 636.281874] ? mark_held_locks+0x130/0x130 [ 636.285905] Total swap = 0kB [ 636.288923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 636.293129] 1965979 pages RAM [ 636.296148] ? should_fail+0x22d/0xd01 [ 636.301664] 0 pages HighMem/MovableOnly [ 636.304762] ? zap_class+0x640/0x640 [ 636.308620] 342853 pages reserved [ 636.308629] 0 pages cma reserved [ 636.312601] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 636.316352] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 636.319736] ? __lock_acquire+0x62f/0x4c20 [ 636.323132] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 636.328179] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 636.334646] syz-executor1 cpuset=syz1 mems_allowed=0 [ 636.338877] ? should_fail+0x22d/0xd01 [ 636.363440] ? mark_held_locks+0x130/0x130 [ 636.367689] ? mark_held_locks+0x130/0x130 [ 636.371930] ? lock_downgrade+0x900/0x900 [ 636.376096] ? zap_class+0x640/0x640 [ 636.379819] ? zap_class+0x640/0x640 [ 636.383538] ? zap_class+0x640/0x640 [ 636.387252] ? do_raw_spin_unlock+0xa7/0x330 [ 636.391667] ? trace_hardirqs_on+0x310/0x310 [ 636.396081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.401635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.407202] ? check_preemption_disabled+0x48/0x280 [ 636.412234] ? __lock_is_held+0xb5/0x140 [ 636.416307] __alloc_pages_nodemask+0xa80/0xde0 [ 636.420987] ? zap_class+0x640/0x640 [ 636.424711] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 636.429744] ? find_held_lock+0x36/0x1c0 [ 636.434001] ? ____cache_alloc_node+0x1c7/0x1e0 [ 636.438690] ? lock_downgrade+0x900/0x900 [ 636.442857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.448418] cache_grow_begin+0xa5/0x8c0 [ 636.452490] ? do_raw_spin_unlock+0xa7/0x330 [ 636.456917] fallback_alloc+0x204/0x2e0 [ 636.460904] ____cache_alloc_node+0x1c7/0x1e0 [ 636.465417] kmem_cache_alloc_node+0xe3/0x730 [ 636.469922] ? lockdep_hardirqs_on+0x296/0x5b0 [ 636.474520] __alloc_skb+0x119/0x770 [ 636.478234] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 636.483609] ? netdev_alloc_frag+0x1f0/0x1f0 [ 636.488029] ? vprintk_default+0x28/0x30 [ 636.492093] ? vprintk_func+0x85/0x181 [ 636.495990] ? printk+0xa7/0xcf [ 636.499271] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 636.504040] new_skb+0x26/0x1c0 [ 636.507322] aoecmd_cfg+0x279/0x7f0 [ 636.510956] ? find_held_lock+0x36/0x1c0 [ 636.515025] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 636.519361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.524918] ? __lock_is_held+0xb5/0x140 [ 636.528993] discover_timer+0x50/0x60 [ 636.532795] call_timer_fn+0x272/0x920 [ 636.536686] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 636.541538] ? process_timeout+0x40/0x40 [ 636.545616] ? mark_held_locks+0xc7/0x130 [ 636.549770] ? _raw_spin_unlock_irq+0x27/0x80 [ 636.554267] ? _raw_spin_unlock_irq+0x27/0x80 [ 636.558765] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 636.563613] ? lockdep_hardirqs_on+0x296/0x5b0 [ 636.568204] ? trace_hardirqs_on+0xbd/0x310 [ 636.572530] ? kasan_check_read+0x11/0x20 [ 636.576685] ? __run_timers+0x7da/0xc70 [ 636.580663] ? trace_hardirqs_off_caller+0x310/0x310 [ 636.585783] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 636.590627] __run_timers+0x7e5/0xc70 [ 636.594451] ? timer_fixup_init+0x70/0x70 [ 636.598607] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 636.603630] ? zap_class+0x640/0x640 [ 636.607349] ? print_usage_bug+0xc0/0xc0 [ 636.611424] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 636.616626] ? find_held_lock+0x36/0x1c0 [ 636.620696] ? zap_class+0x640/0x640 [ 636.624433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.629975] ? check_preemption_disabled+0x48/0x280 [ 636.635008] ? __lock_is_held+0xb5/0x140 [ 636.639072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.644618] ? check_preemption_disabled+0x48/0x280 [ 636.649650] run_timer_softirq+0x52/0xb0 [ 636.653718] ? rcu_read_lock_sched_held+0x14f/0x180 [ 636.658741] __do_softirq+0x308/0xb7e [ 636.662552] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 636.667048] ? lock_downgrade+0x900/0x900 [ 636.671203] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 636.676322] ? pvclock_read_flags+0x160/0x160 [ 636.680822] ? lapic_next_event+0x5a/0x90 [ 636.684979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.690526] ? kvm_clock_read+0x18/0x30 [ 636.694506] ? kvm_sched_clock_read+0x9/0x20 [ 636.698921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 636.704470] ? check_preemption_disabled+0x48/0x280 [ 636.709509] irq_exit+0x17f/0x1c0 [ 636.712967] smp_apic_timer_interrupt+0x1cb/0x760 [ 636.717820] ? smp_reschedule_interrupt+0x109/0x650 [ 636.722840] ? smp_call_function_single_interrupt+0x650/0x650 [ 636.728726] ? interrupt_entry+0xb5/0xc0 [ 636.732793] ? trace_hardirqs_off_caller+0xbb/0x310 [ 636.737810] ? trace_hardirqs_off_caller+0xbb/0x310 [ 636.742834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 636.747685] ? trace_hardirqs_on_caller+0x310/0x310 [ 636.752706] ? trace_hardirqs_on_caller+0x310/0x310 [ 636.757729] ? task_prio+0x50/0x50 [ 636.761273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.766818] ? check_preemption_disabled+0x48/0x280 [ 636.771848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 636.776717] apic_timer_interrupt+0xf/0x20 [ 636.780947] [ 636.783199] RIP: 0010:dump_stack+0x20e/0x39d [ 636.787615] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 636.806523] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 636.814240] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 636.821512] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 636.828784] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 636.836053] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 636.843325] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 636.850620] ? dump_stack+0x205/0x39d [ 636.854444] ? dump_stack_print_info.cold.1+0x20/0x20 [ 636.859646] ? mark_held_locks+0x130/0x130 [ 636.863885] ? mark_held_locks+0x130/0x130 [ 636.868131] dump_header+0x27b/0xf72 [ 636.871865] ? pagefault_out_of_memory+0x197/0x197 [ 636.876807] ? __lock_acquire+0x62f/0x4c20 [ 636.881045] ? percpu_ref_get_many+0x240/0x240 [ 636.885637] ? print_usage_bug+0xc0/0xc0 [ 636.889708] ? zap_class+0x640/0x640 [ 636.893437] ? print_usage_bug+0xc0/0xc0 [ 636.897502] ? print_usage_bug+0xc0/0xc0 [ 636.901572] ? zap_class+0x640/0x640 [ 636.905290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 636.910835] ? find_held_lock+0x36/0x1c0 [ 636.914910] ? mark_held_locks+0xc7/0x130 [ 636.919066] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 636.924172] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 636.929280] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 636.933868] ? trace_hardirqs_on+0xbd/0x310 [ 636.938198] ? kasan_check_read+0x11/0x20 [ 636.942350] ? ___ratelimit+0x3b4/0x672 [ 636.946331] ? trace_hardirqs_off_caller+0x310/0x310 [ 636.951440] ? trace_hardirqs_on+0x310/0x310 [ 636.955862] ? lock_downgrade+0x900/0x900 [ 636.960021] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 636.965132] ? ___ratelimit+0x3b9/0x672 [ 636.969118] ? idr_get_free+0xf70/0xf70 [ 636.973095] ? find_held_lock+0x36/0x1c0 [ 636.977320] oom_kill_process.cold.27+0x10/0x903 [ 636.982081] ? zap_class+0x640/0x640 [ 636.985802] ? check_preemption_disabled+0x48/0x280 [ 636.990825] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 636.995757] ? kasan_check_read+0x11/0x20 [ 636.999912] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 637.005197] ? oom_evaluate_task+0x540/0x540 [ 637.009619] ? find_held_lock+0x36/0x1c0 [ 637.013692] ? out_of_memory+0x974/0x1430 [ 637.017846] ? lock_downgrade+0x900/0x900 [ 637.021995] ? check_preemption_disabled+0x48/0x280 [ 637.027017] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 637.031947] ? kasan_check_read+0x11/0x20 [ 637.036100] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 637.041376] ? rcu_softirq_qs+0x20/0x20 [ 637.045367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 637.050913] ? oom_evaluate_task+0x302/0x540 [ 637.055329] out_of_memory+0xa84/0x1430 [ 637.059314] ? oom_killer_disable+0x3a0/0x3a0 [ 637.063831] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 637.068770] ? __ww_mutex_check_waiters+0x160/0x160 [ 637.073801] __alloc_pages_slowpath+0x2354/0x2e10 [ 637.078679] ? warn_alloc+0x120/0x120 [ 637.082486] ? mark_held_locks+0x130/0x130 [ 637.086730] ? find_get_entry+0xaae/0x1120 [ 637.090983] ? filemap_map_pages+0x1a20/0x1a20 [ 637.095576] ? zap_class+0x640/0x640 [ 637.099301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.104840] ? check_preemption_disabled+0x48/0x280 [ 637.109864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 637.115416] ? should_fail+0x22d/0xd01 [ 637.119312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 637.124427] ? zap_class+0x640/0x640 [ 637.128178] ? __lock_is_held+0xb5/0x140 [ 637.132250] ? mark_held_locks+0x130/0x130 [ 637.136491] ? lock_release+0xa00/0xa00 [ 637.140471] ? perf_trace_sched_process_exec+0x860/0x860 [ 637.145923] ? xa_load+0x2ba/0x460 [ 637.149464] ? lock_downgrade+0x900/0x900 [ 637.153618] ? __might_sleep+0x95/0x190 [ 637.157607] __alloc_pages_nodemask+0xa80/0xde0 [ 637.162297] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 637.167322] ? __page_cache_alloc+0x191/0x5c0 [ 637.171818] ? xa_load+0x2e1/0x460 [ 637.175360] ? xa_clear_mark+0x40/0x40 [ 637.179256] ? zap_class+0x640/0x640 [ 637.182987] ? zap_class+0x640/0x640 [ 637.186702] ? zap_class+0x640/0x640 [ 637.190427] ? __do_page_cache_readahead+0x663/0x810 [ 637.195538] ? find_held_lock+0x36/0x1c0 [ 637.199613] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 637.205171] alloc_pages_current+0x173/0x350 [ 637.209595] __page_cache_alloc+0x38c/0x5c0 [ 637.213916] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 637.218846] ? kasan_check_read+0x11/0x20 [ 637.222996] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 637.228282] ? generic_perform_write+0x6a0/0x6a0 [ 637.233040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 637.238586] ? check_preemption_disabled+0x48/0x280 [ 637.243614] filemap_fault+0x1595/0x25f0 [ 637.247693] ? __lock_page_or_retry+0xa00/0xa00 [ 637.252372] ? mark_held_locks+0x130/0x130 [ 637.256628] ? filemap_map_pages+0xd6b/0x1a20 [ 637.261125] ? lock_downgrade+0x900/0x900 [ 637.265279] ? check_preemption_disabled+0x48/0x280 [ 637.270300] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 637.275229] ? kasan_check_read+0x11/0x20 [ 637.279386] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 637.284669] ? rcu_softirq_qs+0x20/0x20 [ 637.288662] ? filemap_map_pages+0xd92/0x1a20 [ 637.293179] ? find_get_entries_tag+0x1400/0x1400 [ 637.298032] ? debug_object_destroy+0x2b0/0x2b0 [ 637.302706] ? lock_pi_update_atomic+0x150/0x150 [ 637.307468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.313021] ? lock_acquire+0x1ed/0x520 [ 637.317003] ? ext4_filemap_fault+0x7a/0xad [ 637.321336] ? lock_release+0xa00/0xa00 [ 637.325308] ? perf_trace_sched_process_exec+0x860/0x860 [ 637.330760] ? print_usage_bug+0xc0/0xc0 [ 637.334824] ? print_usage_bug+0xc0/0xc0 [ 637.338909] ? down_read+0x8d/0x120 [ 637.342534] ? ext4_filemap_fault+0x7a/0xad [ 637.346860] ? __down_interruptible+0x700/0x700 [ 637.351545] ext4_filemap_fault+0x82/0xad [ 637.355701] __do_fault+0x100/0x6b0 [ 637.359329] ? find_held_lock+0x36/0x1c0 [ 637.363394] ? pmd_devmap_trans_unstable+0x220/0x220 [ 637.368517] ? mark_held_locks+0x130/0x130 [ 637.372757] ? mark_held_locks+0x130/0x130 [ 637.377001] ? debug_smp_processor_id+0x1c/0x20 [ 637.381670] ? perf_trace_lock+0x14d/0x7a0 [ 637.385910] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 637.390499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 637.396043] __handle_mm_fault+0x3ea0/0x5be0 [ 637.400467] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 637.405316] ? lock_is_held_type+0x210/0x210 [ 637.409737] ? preempt_notifier_register+0x200/0x200 [ 637.414839] ? __switch_to_asm+0x34/0x70 [ 637.418899] ? __switch_to_asm+0x34/0x70 [ 637.422986] ? zap_class+0x640/0x640 [ 637.426699] ? zap_class+0x640/0x640 [ 637.430421] ? __x64_sys_futex+0x53e/0x6a0 [ 637.434665] ? find_held_lock+0x36/0x1c0 [ 637.438740] ? handle_mm_fault+0x42a/0xc70 [ 637.442979] ? lock_downgrade+0x900/0x900 [ 637.447128] ? check_preemption_disabled+0x48/0x280 [ 637.452158] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 637.457101] ? kasan_check_read+0x11/0x20 [ 637.461254] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 637.466536] ? rcu_softirq_qs+0x20/0x20 [ 637.470512] ? trace_hardirqs_off_caller+0x310/0x310 [ 637.475622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 637.481172] ? check_preemption_disabled+0x48/0x280 [ 637.486203] handle_mm_fault+0x54f/0xc70 [ 637.490271] ? __handle_mm_fault+0x5be0/0x5be0 [ 637.494866] ? find_vma+0x34/0x190 [ 637.498424] __do_page_fault+0x5e8/0xe60 [ 637.502489] ? trace_hardirqs_off+0xb8/0x310 [ 637.506914] do_page_fault+0xf2/0x7e0 [ 637.510720] ? vmalloc_sync_all+0x30/0x30 [ 637.514871] ? error_entry+0x70/0xd0 [ 637.518588] ? trace_hardirqs_off_caller+0xbb/0x310 [ 637.523610] ? trace_hardirqs_on_caller+0xc0/0x310 [ 637.528541] ? syscall_return_slowpath+0x5e0/0x5e0 [ 637.533482] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 637.538330] ? trace_hardirqs_on_caller+0x310/0x310 [ 637.543354] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 637.548815] ? prepare_exit_to_usermode+0x291/0x3b0 [ 637.553837] ? page_fault+0x8/0x30 [ 637.557384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 637.562242] ? page_fault+0x8/0x30 [ 637.565786] page_fault+0x1e/0x30 [ 637.569247] RIP: 0033:0x40f9c0 [ 637.572454] Code: Bad RIP value. [ 637.575814] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 637.581190] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 637.588461] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 637.595729] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 637.602998] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 637.610265] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 637.617569] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 637.617653] aoe: skb alloc failure [ 637.624850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 637.624859] Call Trace: [ 637.628480] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 637.637739] [ 637.640311] syz-fuzzer cpuset=/ mems_allowed=0 [ 637.650536] dump_stack+0x244/0x39d [ 637.660861] ? dump_stack_print_info.cold.1+0x20/0x20 [ 637.666066] warn_alloc.cold.116+0xb7/0x1bd [ 637.670391] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 637.675252] ? lock_downgrade+0x900/0x900 [ 637.679417] ? trace_hardirqs_off+0xb8/0x310 [ 637.683834] ? trace_hardirqs_off+0xb8/0x310 [ 637.688258] __alloc_pages_slowpath+0x26e8/0x2e10 [ 637.693135] ? warn_alloc+0x120/0x120 [ 637.696938] ? print_usage_bug+0xc0/0xc0 [ 637.701004] ? warn_alloc+0x120/0x120 [ 637.704809] ? warn_alloc+0x120/0x120 [ 637.708617] ? print_usage_bug+0xc0/0xc0 [ 637.712690] ? print_usage_bug+0xc0/0xc0 [ 637.716755] ? __lock_acquire+0x62f/0x4c20 [ 637.721001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 637.726540] ? should_fail+0x22d/0xd01 [ 637.730436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 637.735543] ? __lock_acquire+0x62f/0x4c20 [ 637.739782] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 637.744887] ? __lock_acquire+0x62f/0x4c20 [ 637.749120] ? should_fail+0x22d/0xd01 [ 637.753012] ? find_held_lock+0x36/0x1c0 [ 637.757082] ? mark_held_locks+0x130/0x130 [ 637.761323] ? mark_held_locks+0x130/0x130 [ 637.765557] ? zap_class+0x640/0x640 [ 637.769276] ? zap_class+0x640/0x640 [ 637.772995] ? print_usage_bug+0xc0/0xc0 [ 637.777052] ? do_raw_spin_unlock+0xa7/0x330 [ 637.781463] ? zap_class+0x640/0x640 [ 637.785177] ? print_usage_bug+0xc0/0xc0 [ 637.789240] ? wq_watchdog_touch+0x9c/0xfe [ 637.793485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.799023] ? check_preemption_disabled+0x48/0x280 [ 637.804050] ? __lock_is_held+0xb5/0x140 [ 637.808119] __alloc_pages_nodemask+0xa80/0xde0 [ 637.812787] ? zap_class+0x640/0x640 [ 637.816506] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 637.821537] ? find_held_lock+0x36/0x1c0 [ 637.825621] ? ____cache_alloc_node+0x1c7/0x1e0 [ 637.830292] ? lock_downgrade+0x900/0x900 [ 637.834453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.839998] cache_grow_begin+0xa5/0x8c0 [ 637.844062] ? do_raw_spin_unlock+0xa7/0x330 [ 637.848480] fallback_alloc+0x204/0x2e0 [ 637.852465] ____cache_alloc_node+0x1c7/0x1e0 [ 637.856965] kmem_cache_alloc_node+0xe3/0x730 [ 637.861464] ? ipv6_get_ifaddr+0x42e/0x620 [ 637.865709] __alloc_skb+0x119/0x770 [ 637.869427] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 637.874711] ? netdev_alloc_frag+0x1f0/0x1f0 [ 637.879119] ? lock_downgrade+0x900/0x900 [ 637.883277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.888841] ? refcount_sub_and_test_checked+0x203/0x310 [ 637.894299] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 637.899758] ? addrconf_rs_timer+0x690/0x690 [ 637.904182] ndisc_alloc_skb+0x144/0x340 [ 637.908250] ndisc_send_rs+0x331/0x6e0 [ 637.912159] addrconf_rs_timer+0x314/0x690 [ 637.916412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 637.920666] call_timer_fn+0x272/0x920 [ 637.924556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 637.928791] ? process_timeout+0x40/0x40 [ 637.933038] ? __run_timers+0x7da/0xc70 [ 637.937019] ? _raw_spin_unlock_irq+0x27/0x80 [ 637.941512] ? _raw_spin_unlock_irq+0x27/0x80 [ 637.946008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 637.950244] ? lockdep_hardirqs_on+0x296/0x5b0 [ 637.954833] ? trace_hardirqs_on+0xbd/0x310 [ 637.959168] ? kasan_check_read+0x11/0x20 [ 637.963320] ? __run_timers+0x7da/0xc70 [ 637.967300] ? trace_hardirqs_off_caller+0x310/0x310 [ 637.972435] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 637.976685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 637.980924] __run_timers+0x7e5/0xc70 [ 637.984734] ? timer_fixup_init+0x70/0x70 [ 637.988894] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 637.993931] ? zap_class+0x640/0x640 [ 637.997654] ? enqueue_hrtimer+0x1a5/0x560 [ 638.001904] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 638.007105] ? find_held_lock+0x36/0x1c0 [ 638.011185] ? zap_class+0x640/0x640 [ 638.014907] ? pvclock_read_flags+0x160/0x160 [ 638.019417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.024965] ? check_preemption_disabled+0x48/0x280 [ 638.029994] ? __lock_is_held+0xb5/0x140 [ 638.034061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.039604] ? check_preemption_disabled+0x48/0x280 [ 638.044632] run_timer_softirq+0x52/0xb0 [ 638.048705] ? rcu_read_lock_sched_held+0x14f/0x180 [ 638.053727] __do_softirq+0x308/0xb7e [ 638.057531] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 638.062030] ? lock_downgrade+0x900/0x900 [ 638.066184] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 638.071298] ? pvclock_read_flags+0x160/0x160 [ 638.075795] ? lapic_next_event+0x5a/0x90 [ 638.079955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.085508] ? kvm_clock_read+0x18/0x30 [ 638.089483] ? kvm_sched_clock_read+0x9/0x20 [ 638.093903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.099443] ? check_preemption_disabled+0x48/0x280 [ 638.104473] irq_exit+0x17f/0x1c0 [ 638.108120] smp_apic_timer_interrupt+0x1cb/0x760 [ 638.112964] ? smp_reschedule_interrupt+0x109/0x650 [ 638.117985] ? smp_call_function_single_interrupt+0x650/0x650 [ 638.123868] ? interrupt_entry+0xb5/0xc0 [ 638.127934] ? trace_hardirqs_off_caller+0xbb/0x310 [ 638.132949] ? trace_hardirqs_off_caller+0xbb/0x310 [ 638.137972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.142819] ? trace_hardirqs_on_caller+0x310/0x310 [ 638.147838] ? trace_hardirqs_on_caller+0x310/0x310 [ 638.152856] ? task_prio+0x50/0x50 [ 638.156413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.161959] ? check_preemption_disabled+0x48/0x280 [ 638.166986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.171842] apic_timer_interrupt+0xf/0x20 [ 638.176074] [ 638.178316] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 638.183250] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 638.202173] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 638.209896] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 638.217164] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 638.224433] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 638.231702] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 638.238971] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 638.246290] skb_clone+0x1bb/0x500 [ 638.249833] ? finish_task_switch+0x1b4/0x910 [ 638.254343] ? skb_split+0x11e0/0x11e0 [ 638.258236] ? preempt_notifier_register+0x200/0x200 [ 638.263336] ? __switch_to_asm+0x34/0x70 [ 638.267418] ? __switch_to_asm+0x34/0x70 [ 638.271478] ? __switch_to_asm+0x40/0x70 [ 638.275540] ? __switch_to_asm+0x34/0x70 [ 638.279604] ? __switch_to_asm+0x40/0x70 [ 638.283671] ? __switch_to_asm+0x34/0x70 [ 638.287728] ? __switch_to_asm+0x40/0x70 [ 638.291785] ? __switch_to_asm+0x34/0x70 [ 638.295860] ? __switch_to_asm+0x34/0x70 [ 638.299921] ? __switch_to_asm+0x40/0x70 [ 638.303982] ? __switch_to_asm+0x34/0x70 [ 638.308058] bpf_clone_redirect+0xb9/0x490 [ 638.312294] ? __schedule+0x8d7/0x21d0 [ 638.316186] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 638.321206] ? __sched_text_start+0x8/0x8 [ 638.325363] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 638.329948] ? retint_kernel+0x2d/0x2d [ 638.333858] ? trace_hardirqs_on_caller+0xc0/0x310 [ 638.338807] ? find_held_lock+0x36/0x1c0 [ 638.342883] ? lock_acquire+0x1ed/0x520 [ 638.346859] ? bpf_test_run+0x3cb/0x780 [ 638.350850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.356390] ? check_preemption_disabled+0x48/0x280 [ 638.361431] ? kasan_check_read+0x11/0x20 [ 638.365581] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 638.370856] ? rcu_softirq_qs+0x20/0x20 [ 638.374834] ? preempt_schedule+0x4d/0x60 [ 638.378991] ? ___preempt_schedule+0x16/0x18 [ 638.383417] ? bpf_test_run+0x25d/0x780 [ 638.387413] ? netlink_diag_dump+0x2a0/0x2a0 [ 638.391832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 638.397371] ? bpf_test_init.isra.10+0x70/0x100 [ 638.402053] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 638.406822] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 638.411700] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 638.417239] ? fput+0x130/0x1a0 [ 638.420534] ? __bpf_prog_get+0x9b/0x290 [ 638.424619] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 638.429478] ? bpf_prog_test_run+0x130/0x1a0 [ 638.433894] ? __x64_sys_bpf+0x3d8/0x520 [ 638.437955] ? bpf_prog_get+0x20/0x20 [ 638.441778] ? do_syscall_64+0x1b9/0x820 [ 638.445840] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 638.451212] ? syscall_return_slowpath+0x5e0/0x5e0 [ 638.456141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.460996] ? trace_hardirqs_on_caller+0x310/0x310 [ 638.466015] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 638.471035] ? prepare_exit_to_usermode+0x291/0x3b0 [ 638.476060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.480914] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 638.486294] warn_alloc_show_mem: 1 callbacks suppressed [ 638.486305] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 638.486307] Mem-Info: [ 638.486341] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 638.486341] active_file:14 inactive_file:14 isolated_file:0 [ 638.486341] unevictable:0 dirty:0 writeback:0 unstable:0 [ 638.486341] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 638.486341] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 638.486341] free:13772 free_pcp:380 free_cma:0 [ 638.491680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 638.498699] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 638.501097] Call Trace: [ 638.534236] 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 [ 638.543580] [ 638.571415] lowmem_reserve[]: 0 2818 6321 6321 [ 638.574017] dump_stack+0x244/0x39d [ 638.600102] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 638.602262] ? dump_stack_print_info.cold.1+0x20/0x20 [ 638.606799] lowmem_reserve[]: 0 0 3503 3503 [ 638.610447] warn_alloc.cold.116+0xb7/0x1bd [ 638.637936] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 638.643129] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 638.647422] lowmem_reserve[]: 0 0 0 0 [ 638.651758] ? lock_downgrade+0x900/0x900 [ 638.680884] 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 [ 638.685735] ? trace_hardirqs_off+0xb8/0x310 [ 638.689502] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 638.693650] ? trace_hardirqs_off+0xb8/0x310 [ 638.707159] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 638.711582] __alloc_pages_slowpath+0x26e8/0x2e10 [ 638.726815] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 638.731247] ? warn_alloc+0x120/0x120 [ 638.745583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 638.745593] 12557 total pagecache pages [ 638.750443] ? warn_alloc+0x120/0x120 [ 638.759253] 0 pages in swap cache [ 638.763062] ? warn_alloc+0x120/0x120 [ 638.771599] Swap cache stats: add 0, delete 0, find 0/0 [ 638.771608] Free swap = 0kB [ 638.775580] ? print_usage_bug+0xc0/0xc0 [ 638.779353] Total swap = 0kB [ 638.782809] ? print_usage_bug+0xc0/0xc0 [ 638.786578] 1965979 pages RAM [ 638.791936] ? ktime_get+0x2c1/0x400 [ 638.794927] 0 pages HighMem/MovableOnly [ 638.798985] ? check_preemption_disabled+0x48/0x280 [ 638.801973] 342853 pages reserved [ 638.806031] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 638.809108] 0 pages cma reserved [ 638.812822] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 638.816831] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 638.821777] ? should_fail+0x22d/0xd01 [ 638.825434] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 638.829699] ? kasan_check_read+0x11/0x20 [ 638.833038] syz-executor1 cpuset=syz1 mems_allowed=0 [ 638.838587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 638.873721] ? __lock_acquire+0x62f/0x4c20 [ 638.877970] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 638.883081] ? should_fail+0x22d/0xd01 [ 638.886973] ? print_usage_bug+0xc0/0xc0 [ 638.891048] ? mark_held_locks+0x130/0x130 [ 638.895291] ? mark_held_locks+0x130/0x130 [ 638.899528] ? check_preemption_disabled+0x48/0x280 [ 638.904560] ? zap_class+0x640/0x640 [ 638.908282] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 638.913045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.918591] ? check_preemption_disabled+0x48/0x280 [ 638.923623] ? __lock_is_held+0xb5/0x140 [ 638.927697] __alloc_pages_nodemask+0xa80/0xde0 [ 638.932368] ? zap_class+0x640/0x640 [ 638.936098] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 638.941131] ? find_held_lock+0x36/0x1c0 [ 638.945214] ? ____cache_alloc_node+0x1c7/0x1e0 [ 638.949890] ? lock_downgrade+0x900/0x900 [ 638.954051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 638.959607] cache_grow_begin+0xa5/0x8c0 [ 638.963678] ? do_raw_spin_unlock+0xa7/0x330 [ 638.968101] fallback_alloc+0x204/0x2e0 [ 638.972084] ____cache_alloc_node+0x1c7/0x1e0 [ 638.976770] kmem_cache_alloc_node+0xe3/0x730 [ 638.981273] ? lockdep_hardirqs_on+0x296/0x5b0 [ 638.985873] __alloc_skb+0x119/0x770 [ 638.989588] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 638.994963] ? netdev_alloc_frag+0x1f0/0x1f0 [ 638.999383] ? vprintk_default+0x28/0x30 [ 639.003458] ? vprintk_func+0x85/0x181 [ 639.007349] ? printk+0xa7/0xcf [ 639.010630] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 639.015410] new_skb+0x26/0x1c0 [ 639.018696] aoecmd_cfg+0x279/0x7f0 [ 639.022326] ? find_held_lock+0x36/0x1c0 [ 639.026394] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 639.030733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.036285] ? __lock_is_held+0xb5/0x140 [ 639.040361] discover_timer+0x50/0x60 [ 639.044167] call_timer_fn+0x272/0x920 [ 639.048060] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 639.052904] ? process_timeout+0x40/0x40 [ 639.056981] ? mark_held_locks+0xc7/0x130 [ 639.061136] ? _raw_spin_unlock_irq+0x27/0x80 [ 639.065639] ? _raw_spin_unlock_irq+0x27/0x80 [ 639.070136] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 639.074988] ? lockdep_hardirqs_on+0x296/0x5b0 [ 639.079579] ? trace_hardirqs_on+0xbd/0x310 [ 639.083902] ? kasan_check_read+0x11/0x20 [ 639.088054] ? __run_timers+0x7da/0xc70 [ 639.092035] ? trace_hardirqs_off_caller+0x310/0x310 [ 639.097158] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 639.102012] __run_timers+0x7e5/0xc70 [ 639.105827] ? timer_fixup_init+0x70/0x70 [ 639.109979] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 639.115003] ? zap_class+0x640/0x640 [ 639.118724] ? print_usage_bug+0xc0/0xc0 [ 639.122788] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 639.127993] ? find_held_lock+0x36/0x1c0 [ 639.132061] ? zap_class+0x640/0x640 [ 639.135787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.141330] ? check_preemption_disabled+0x48/0x280 [ 639.146357] ? __lock_is_held+0xb5/0x140 [ 639.150429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.155975] ? check_preemption_disabled+0x48/0x280 [ 639.161006] run_timer_softirq+0x52/0xb0 [ 639.165071] ? rcu_read_lock_sched_held+0x14f/0x180 [ 639.170094] __do_softirq+0x308/0xb7e [ 639.173901] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 639.178409] ? lock_downgrade+0x900/0x900 [ 639.182565] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 639.187681] ? pvclock_read_flags+0x160/0x160 [ 639.192187] ? lapic_next_event+0x5a/0x90 [ 639.196339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.201888] ? kvm_clock_read+0x18/0x30 [ 639.205871] ? kvm_sched_clock_read+0x9/0x20 [ 639.210288] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.215835] ? check_preemption_disabled+0x48/0x280 [ 639.220868] irq_exit+0x17f/0x1c0 [ 639.224332] smp_apic_timer_interrupt+0x1cb/0x760 [ 639.229188] ? smp_reschedule_interrupt+0x109/0x650 [ 639.234216] ? smp_call_function_single_interrupt+0x650/0x650 [ 639.240100] ? interrupt_entry+0xb5/0xc0 [ 639.244169] ? trace_hardirqs_off_caller+0xbb/0x310 [ 639.249187] ? trace_hardirqs_off_caller+0xbb/0x310 [ 639.254207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.259058] ? trace_hardirqs_on_caller+0x310/0x310 [ 639.264075] ? trace_hardirqs_on_caller+0x310/0x310 [ 639.269096] ? task_prio+0x50/0x50 [ 639.272640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.278189] ? check_preemption_disabled+0x48/0x280 [ 639.283218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.288074] apic_timer_interrupt+0xf/0x20 [ 639.292304] [ 639.294546] RIP: 0010:dump_stack+0x20e/0x39d [ 639.298955] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 639.317869] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 639.325625] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 639.332898] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 639.340172] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 639.347442] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 639.354709] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 639.362001] ? dump_stack+0x205/0x39d [ 639.365822] ? dump_stack_print_info.cold.1+0x20/0x20 [ 639.371017] ? mark_held_locks+0x130/0x130 [ 639.375257] ? mark_held_locks+0x130/0x130 [ 639.379498] dump_header+0x27b/0xf72 [ 639.383226] ? pagefault_out_of_memory+0x197/0x197 [ 639.388171] ? __lock_acquire+0x62f/0x4c20 [ 639.392418] ? percpu_ref_get_many+0x240/0x240 [ 639.397007] ? print_usage_bug+0xc0/0xc0 [ 639.401075] ? zap_class+0x640/0x640 [ 639.404797] ? print_usage_bug+0xc0/0xc0 [ 639.408857] ? print_usage_bug+0xc0/0xc0 [ 639.412924] ? zap_class+0x640/0x640 [ 639.416644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.422192] ? find_held_lock+0x36/0x1c0 [ 639.426264] ? mark_held_locks+0xc7/0x130 [ 639.430426] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 639.435534] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 639.440637] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 639.445227] ? trace_hardirqs_on+0xbd/0x310 [ 639.449553] ? kasan_check_read+0x11/0x20 [ 639.453700] ? ___ratelimit+0x3b4/0x672 [ 639.457681] ? trace_hardirqs_off_caller+0x310/0x310 [ 639.462790] ? trace_hardirqs_on+0x310/0x310 [ 639.467208] ? lock_downgrade+0x900/0x900 [ 639.471368] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 639.476484] ? ___ratelimit+0x3b9/0x672 [ 639.480467] ? idr_get_free+0xf70/0xf70 [ 639.484449] ? find_held_lock+0x36/0x1c0 [ 639.488526] oom_kill_process.cold.27+0x10/0x903 [ 639.493284] ? zap_class+0x640/0x640 [ 639.497006] ? check_preemption_disabled+0x48/0x280 [ 639.502030] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 639.506961] ? kasan_check_read+0x11/0x20 [ 639.511108] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 639.516386] ? oom_evaluate_task+0x540/0x540 [ 639.520821] ? find_held_lock+0x36/0x1c0 [ 639.524891] ? out_of_memory+0x974/0x1430 [ 639.529044] ? lock_downgrade+0x900/0x900 [ 639.533201] ? check_preemption_disabled+0x48/0x280 [ 639.538220] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 639.543152] ? kasan_check_read+0x11/0x20 [ 639.547306] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 639.552582] ? rcu_softirq_qs+0x20/0x20 [ 639.556575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.562112] ? oom_evaluate_task+0x302/0x540 [ 639.566530] out_of_memory+0xa84/0x1430 [ 639.570520] ? oom_killer_disable+0x3a0/0x3a0 [ 639.575018] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 639.579954] ? __ww_mutex_check_waiters+0x160/0x160 [ 639.584986] __alloc_pages_slowpath+0x2354/0x2e10 [ 639.589861] ? warn_alloc+0x120/0x120 [ 639.593662] ? mark_held_locks+0x130/0x130 [ 639.597904] ? find_get_entry+0xaae/0x1120 [ 639.602153] ? filemap_map_pages+0x1a20/0x1a20 [ 639.606753] ? zap_class+0x640/0x640 [ 639.610473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.616028] ? check_preemption_disabled+0x48/0x280 [ 639.621046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.626586] ? should_fail+0x22d/0xd01 [ 639.630487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 639.635598] ? zap_class+0x640/0x640 [ 639.639338] ? __lock_is_held+0xb5/0x140 [ 639.643420] ? mark_held_locks+0x130/0x130 [ 639.647662] ? lock_release+0xa00/0xa00 [ 639.651640] ? perf_trace_sched_process_exec+0x860/0x860 [ 639.657100] ? xa_load+0x2ba/0x460 [ 639.660646] ? lock_downgrade+0x900/0x900 [ 639.664801] ? __might_sleep+0x95/0x190 [ 639.668787] __alloc_pages_nodemask+0xa80/0xde0 [ 639.673467] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 639.678490] ? __page_cache_alloc+0x191/0x5c0 [ 639.682986] ? xa_load+0x2e1/0x460 [ 639.686530] ? xa_clear_mark+0x40/0x40 [ 639.690427] ? zap_class+0x640/0x640 [ 639.694171] ? zap_class+0x640/0x640 [ 639.697891] ? zap_class+0x640/0x640 [ 639.701609] ? __do_page_cache_readahead+0x663/0x810 [ 639.706737] ? find_held_lock+0x36/0x1c0 [ 639.710812] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 639.716360] alloc_pages_current+0x173/0x350 [ 639.720782] __page_cache_alloc+0x38c/0x5c0 [ 639.725101] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 639.730044] ? kasan_check_read+0x11/0x20 [ 639.734203] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 639.739485] ? generic_perform_write+0x6a0/0x6a0 [ 639.744246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.749786] ? check_preemption_disabled+0x48/0x280 [ 639.754814] filemap_fault+0x1595/0x25f0 [ 639.758895] ? __lock_page_or_retry+0xa00/0xa00 [ 639.763569] ? mark_held_locks+0x130/0x130 [ 639.767828] ? filemap_map_pages+0xd6b/0x1a20 [ 639.772329] ? lock_downgrade+0x900/0x900 [ 639.776479] ? check_preemption_disabled+0x48/0x280 [ 639.781506] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 639.786438] ? kasan_check_read+0x11/0x20 [ 639.790591] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 639.795866] ? rcu_softirq_qs+0x20/0x20 [ 639.799856] ? filemap_map_pages+0xd92/0x1a20 [ 639.804366] ? find_get_entries_tag+0x1400/0x1400 [ 639.809237] ? debug_object_destroy+0x2b0/0x2b0 [ 639.813914] ? lock_pi_update_atomic+0x150/0x150 [ 639.818671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.824229] ? lock_acquire+0x1ed/0x520 [ 639.828205] ? ext4_filemap_fault+0x7a/0xad [ 639.832538] ? lock_release+0xa00/0xa00 [ 639.836514] ? perf_trace_sched_process_exec+0x860/0x860 [ 639.841966] ? print_usage_bug+0xc0/0xc0 [ 639.846029] ? print_usage_bug+0xc0/0xc0 [ 639.850103] ? down_read+0x8d/0x120 [ 639.853730] ? ext4_filemap_fault+0x7a/0xad [ 639.858068] ? __down_interruptible+0x700/0x700 [ 639.862748] ext4_filemap_fault+0x82/0xad [ 639.866901] __do_fault+0x100/0x6b0 [ 639.870532] ? find_held_lock+0x36/0x1c0 [ 639.874599] ? pmd_devmap_trans_unstable+0x220/0x220 [ 639.879707] ? mark_held_locks+0x130/0x130 [ 639.883946] ? mark_held_locks+0x130/0x130 [ 639.888195] ? debug_smp_processor_id+0x1c/0x20 [ 639.892865] ? perf_trace_lock+0x14d/0x7a0 [ 639.897099] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 639.901706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.907264] __handle_mm_fault+0x3ea0/0x5be0 [ 639.911683] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 639.916542] ? lock_is_held_type+0x210/0x210 [ 639.920960] ? preempt_notifier_register+0x200/0x200 [ 639.926062] ? __switch_to_asm+0x34/0x70 [ 639.930142] ? __switch_to_asm+0x34/0x70 [ 639.934216] ? zap_class+0x640/0x640 [ 639.937927] ? zap_class+0x640/0x640 [ 639.941672] ? __x64_sys_futex+0x53e/0x6a0 [ 639.945912] ? find_held_lock+0x36/0x1c0 [ 639.949987] ? handle_mm_fault+0x42a/0xc70 [ 639.954234] ? lock_downgrade+0x900/0x900 [ 639.958409] ? check_preemption_disabled+0x48/0x280 [ 639.963442] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 639.968374] ? kasan_check_read+0x11/0x20 [ 639.972528] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 639.977805] ? rcu_softirq_qs+0x20/0x20 [ 639.981780] ? trace_hardirqs_off_caller+0x310/0x310 [ 639.986887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.992439] ? check_preemption_disabled+0x48/0x280 [ 639.997478] handle_mm_fault+0x54f/0xc70 [ 640.001547] ? __handle_mm_fault+0x5be0/0x5be0 [ 640.006139] ? find_vma+0x34/0x190 [ 640.009694] __do_page_fault+0x5e8/0xe60 [ 640.013773] ? trace_hardirqs_off+0xb8/0x310 [ 640.018210] do_page_fault+0xf2/0x7e0 [ 640.022011] ? vmalloc_sync_all+0x30/0x30 [ 640.026158] ? error_entry+0x70/0xd0 [ 640.029889] ? trace_hardirqs_off_caller+0xbb/0x310 [ 640.034905] ? trace_hardirqs_on_caller+0xc0/0x310 [ 640.039836] ? syscall_return_slowpath+0x5e0/0x5e0 [ 640.044782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 640.049626] ? trace_hardirqs_on_caller+0x310/0x310 [ 640.054647] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 640.060106] ? prepare_exit_to_usermode+0x291/0x3b0 [ 640.065121] ? page_fault+0x8/0x30 [ 640.068665] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 640.073515] ? page_fault+0x8/0x30 [ 640.077057] page_fault+0x1e/0x30 [ 640.080512] RIP: 0033:0x40f9c0 [ 640.083725] Code: Bad RIP value. [ 640.087101] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 640.092480] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 640.099749] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 640.107522] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 640.114788] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 640.122053] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 640.129365] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 640.129460] aoe: skb alloc failure [ 640.136668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 640.136673] Call Trace: [ 640.136680] [ 640.136703] dump_stack+0x244/0x39d [ 640.136722] ? dump_stack_print_info.cold.1+0x20/0x20 [ 640.140276] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 640.149602] warn_alloc.cold.116+0xb7/0x1bd [ 640.152153] syz-fuzzer cpuset=/ mems_allowed=0 [ 640.154296] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 640.186977] ? lock_downgrade+0x900/0x900 [ 640.191134] ? trace_hardirqs_off+0xb8/0x310 [ 640.195548] ? trace_hardirqs_off+0xb8/0x310 [ 640.199977] __alloc_pages_slowpath+0x26e8/0x2e10 [ 640.204883] ? warn_alloc+0x120/0x120 [ 640.208693] ? warn_alloc+0x120/0x120 [ 640.212499] ? warn_alloc+0x120/0x120 [ 640.216304] ? print_usage_bug+0xc0/0xc0 [ 640.220370] ? __lock_acquire+0x62f/0x4c20 [ 640.224618] ? print_usage_bug+0xc0/0xc0 [ 640.228690] ? __lock_acquire+0x62f/0x4c20 [ 640.232931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 640.238468] ? should_fail+0x22d/0xd01 [ 640.242356] ? __lock_acquire+0x62f/0x4c20 [ 640.246594] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 640.251696] ? __lock_acquire+0x62f/0x4c20 [ 640.255940] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 640.261045] ? __lock_acquire+0x62f/0x4c20 [ 640.265282] ? should_fail+0x22d/0xd01 [ 640.269184] ? mark_held_locks+0x130/0x130 [ 640.273435] ? mark_held_locks+0x130/0x130 [ 640.277686] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 640.282802] ? zap_class+0x640/0x640 [ 640.286527] ? print_usage_bug+0xc0/0xc0 [ 640.290595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.296134] ? check_preemption_disabled+0x48/0x280 [ 640.301158] ? __lock_is_held+0xb5/0x140 [ 640.305229] __alloc_pages_nodemask+0xa80/0xde0 [ 640.309919] ? zap_class+0x640/0x640 [ 640.313645] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 640.318688] ? find_held_lock+0x36/0x1c0 [ 640.322760] ? ____cache_alloc_node+0x1c7/0x1e0 [ 640.327435] ? lock_downgrade+0x900/0x900 [ 640.331597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.337144] cache_grow_begin+0xa5/0x8c0 [ 640.341204] ? do_raw_spin_unlock+0xa7/0x330 [ 640.345624] fallback_alloc+0x204/0x2e0 [ 640.349606] ____cache_alloc_node+0x1c7/0x1e0 [ 640.354107] kmem_cache_alloc_node+0xe3/0x730 [ 640.358606] ? ipv6_get_ifaddr+0x42e/0x620 [ 640.362851] __alloc_skb+0x119/0x770 [ 640.366565] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 640.371850] ? netdev_alloc_frag+0x1f0/0x1f0 [ 640.376264] ? lock_downgrade+0x900/0x900 [ 640.380427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.385965] ? refcount_sub_and_test_checked+0x203/0x310 [ 640.391425] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 640.396881] ? addrconf_rs_timer+0x690/0x690 [ 640.401306] ndisc_alloc_skb+0x144/0x340 [ 640.405376] ndisc_send_rs+0x331/0x6e0 [ 640.409274] addrconf_rs_timer+0x314/0x690 [ 640.413516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 640.417761] call_timer_fn+0x272/0x920 [ 640.421669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 640.425916] ? process_timeout+0x40/0x40 [ 640.429995] ? __run_timers+0x7da/0xc70 [ 640.433972] ? _raw_spin_unlock_irq+0x27/0x80 [ 640.438479] ? _raw_spin_unlock_irq+0x27/0x80 [ 640.442975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 640.447213] ? lockdep_hardirqs_on+0x296/0x5b0 [ 640.451800] ? trace_hardirqs_on+0xbd/0x310 [ 640.456122] ? kasan_check_read+0x11/0x20 [ 640.460268] ? __run_timers+0x7da/0xc70 [ 640.464264] ? trace_hardirqs_off_caller+0x310/0x310 [ 640.469438] ? prandom_seed_full_state+0x3b0/0x3b0 [ 640.474383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 640.478623] __run_timers+0x7e5/0xc70 [ 640.482445] ? timer_fixup_init+0x70/0x70 [ 640.486627] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 640.491649] ? zap_class+0x640/0x640 [ 640.495372] ? enqueue_hrtimer+0x1a5/0x560 [ 640.499619] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 640.504816] ? find_held_lock+0x36/0x1c0 [ 640.508888] ? zap_class+0x640/0x640 [ 640.512610] ? pvclock_read_flags+0x160/0x160 [ 640.517109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.522649] ? check_preemption_disabled+0x48/0x280 [ 640.527712] ? __lock_is_held+0xb5/0x140 [ 640.531814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.537364] ? check_preemption_disabled+0x48/0x280 [ 640.542387] run_timer_softirq+0x52/0xb0 [ 640.546455] ? rcu_read_lock_sched_held+0x14f/0x180 [ 640.551478] __do_softirq+0x308/0xb7e [ 640.555287] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 640.559786] ? lock_downgrade+0x900/0x900 [ 640.563942] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 640.569054] ? pvclock_read_flags+0x160/0x160 [ 640.573569] ? lapic_next_event+0x5a/0x90 [ 640.577734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.583290] ? kvm_clock_read+0x18/0x30 [ 640.587265] ? kvm_sched_clock_read+0x9/0x20 [ 640.591684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.597225] ? check_preemption_disabled+0x48/0x280 [ 640.602255] irq_exit+0x17f/0x1c0 [ 640.605726] smp_apic_timer_interrupt+0x1cb/0x760 [ 640.610617] ? smp_reschedule_interrupt+0x109/0x650 [ 640.615657] ? smp_call_function_single_interrupt+0x650/0x650 [ 640.621548] ? interrupt_entry+0xb5/0xc0 [ 640.625618] ? trace_hardirqs_off_caller+0xbb/0x310 [ 640.630632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 640.635670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 640.640512] ? trace_hardirqs_on_caller+0x310/0x310 [ 640.645525] ? trace_hardirqs_on_caller+0x310/0x310 [ 640.650543] ? task_prio+0x50/0x50 [ 640.654089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.659632] ? check_preemption_disabled+0x48/0x280 [ 640.664674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 640.669534] apic_timer_interrupt+0xf/0x20 [ 640.673778] [ 640.676020] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 640.680954] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 640.699855] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 640.707561] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 640.714826] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 640.722094] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 640.729362] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 640.736633] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 640.743964] skb_clone+0x1bb/0x500 [ 640.747534] ? finish_task_switch+0x1b4/0x910 [ 640.752074] ? skb_split+0x11e0/0x11e0 [ 640.755968] ? preempt_notifier_register+0x200/0x200 [ 640.761068] ? __switch_to_asm+0x34/0x70 [ 640.765131] ? __switch_to_asm+0x34/0x70 [ 640.769188] ? __switch_to_asm+0x40/0x70 [ 640.773244] ? __switch_to_asm+0x34/0x70 [ 640.777308] ? __switch_to_asm+0x40/0x70 [ 640.781364] ? __switch_to_asm+0x34/0x70 [ 640.785461] ? __switch_to_asm+0x40/0x70 [ 640.789520] ? __switch_to_asm+0x34/0x70 [ 640.793580] ? __switch_to_asm+0x34/0x70 [ 640.797641] ? __switch_to_asm+0x40/0x70 [ 640.801718] ? __switch_to_asm+0x34/0x70 [ 640.805818] bpf_clone_redirect+0xb9/0x490 [ 640.810068] ? __schedule+0x8d7/0x21d0 [ 640.813961] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 640.818982] ? __sched_text_start+0x8/0x8 [ 640.823137] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 640.827725] ? retint_kernel+0x2d/0x2d [ 640.831617] ? trace_hardirqs_on_caller+0xc0/0x310 [ 640.836553] ? find_held_lock+0x36/0x1c0 [ 640.840621] ? lock_acquire+0x1ed/0x520 [ 640.844601] ? bpf_test_run+0x3cb/0x780 [ 640.848575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 640.854116] ? check_preemption_disabled+0x48/0x280 [ 640.859138] ? kasan_check_read+0x11/0x20 [ 640.863287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 640.868565] ? rcu_softirq_qs+0x20/0x20 [ 640.872543] ? preempt_schedule+0x4d/0x60 [ 640.876698] ? ___preempt_schedule+0x16/0x18 [ 640.881118] ? bpf_test_run+0x25d/0x780 [ 640.885131] ? netlink_diag_dump+0x2a0/0x2a0 [ 640.889540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 640.895098] ? bpf_test_init.isra.10+0x70/0x100 [ 640.899774] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 640.904540] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 640.909383] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 640.914929] ? fput+0x130/0x1a0 [ 640.918215] ? __bpf_prog_get+0x9b/0x290 [ 640.922283] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 640.927140] ? bpf_prog_test_run+0x130/0x1a0 [ 640.931566] ? __x64_sys_bpf+0x3d8/0x520 [ 640.935629] ? bpf_prog_get+0x20/0x20 [ 640.939458] ? do_syscall_64+0x1b9/0x820 [ 640.943522] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 640.948890] ? syscall_return_slowpath+0x5e0/0x5e0 [ 640.953825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 640.958682] ? trace_hardirqs_on_caller+0x310/0x310 [ 640.963711] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 640.968750] ? prepare_exit_to_usermode+0x291/0x3b0 [ 640.973776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 640.978824] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 640.984203] warn_alloc_show_mem: 1 callbacks suppressed [ 640.984216] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 640.984218] Mem-Info: [ 640.984250] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 640.984250] active_file:14 inactive_file:14 isolated_file:0 [ 640.984250] unevictable:0 dirty:0 writeback:0 unstable:0 [ 640.984250] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 640.984250] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 640.984250] free:13772 free_pcp:380 free_cma:0 [ 640.989589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 640.996607] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 640.999009] Call Trace: [ 641.032170] 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 [ 641.041517] [ 641.069358] lowmem_reserve[]: 0 2818 6321 6321 [ 641.071948] dump_stack+0x244/0x39d [ 641.098050] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 641.100216] ? dump_stack_print_info.cold.1+0x20/0x20 [ 641.104758] lowmem_reserve[]: 0 0 3503 3503 [ 641.108387] warn_alloc.cold.116+0xb7/0x1bd [ 641.135864] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 641.141056] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 641.145348] lowmem_reserve[]: 0 0 0 0 [ 641.149671] ? lock_downgrade+0x900/0x900 [ 641.178804] 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 [ 641.183658] ? trace_hardirqs_off+0xb8/0x310 [ 641.187448] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 641.191595] ? trace_hardirqs_off+0xb8/0x310 [ 641.205094] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 641.209517] __alloc_pages_slowpath+0x26e8/0x2e10 [ 641.224749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 641.229178] ? warn_alloc+0x120/0x120 [ 641.243518] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 641.243527] 12557 total pagecache pages [ 641.248375] ? warn_alloc+0x120/0x120 [ 641.257189] 0 pages in swap cache [ 641.260982] ? __lock_acquire+0x62f/0x4c20 [ 641.269535] Swap cache stats: add 0, delete 0, find 0/0 [ 641.273502] ? warn_alloc+0x120/0x120 [ 641.277279] Free swap = 0kB [ 641.280742] ? print_usage_bug+0xc0/0xc0 [ 641.284948] Total swap = 0kB [ 641.290302] ? print_usage_bug+0xc0/0xc0 [ 641.294078] 1965979 pages RAM [ 641.297088] ? mark_held_locks+0x130/0x130 [ 641.301117] 0 pages HighMem/MovableOnly [ 641.301125] 342853 pages reserved [ 641.304150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 641.308182] 0 pages cma reserved [ 641.311282] ? should_fail+0x22d/0xd01 [ 641.315582] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 641.319451] ? zap_class+0x640/0x640 [ 641.319474] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 641.319491] ? __lock_acquire+0x62f/0x4c20 [ 641.323000] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 641.328460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 641.331800] syz-executor1 cpuset=syz1 mems_allowed=0 [ 641.335677] ? should_fail+0x22d/0xd01 [ 641.335704] ? mark_held_locks+0x130/0x130 [ 641.383938] ? mark_held_locks+0x130/0x130 [ 641.388182] ? lock_downgrade+0x900/0x900 [ 641.392339] ? zap_class+0x640/0x640 [ 641.396069] ? zap_class+0x640/0x640 [ 641.399789] ? zap_class+0x640/0x640 [ 641.403506] ? do_raw_spin_unlock+0xa7/0x330 [ 641.407918] ? trace_hardirqs_on+0x310/0x310 [ 641.412328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.417873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.423427] ? check_preemption_disabled+0x48/0x280 [ 641.428456] ? __lock_is_held+0xb5/0x140 [ 641.432532] __alloc_pages_nodemask+0xa80/0xde0 [ 641.437203] ? zap_class+0x640/0x640 [ 641.440924] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 641.445958] ? find_held_lock+0x36/0x1c0 [ 641.450034] ? ____cache_alloc_node+0x1c7/0x1e0 [ 641.454708] ? lock_downgrade+0x900/0x900 [ 641.458865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.464422] cache_grow_begin+0xa5/0x8c0 [ 641.468486] ? do_raw_spin_unlock+0xa7/0x330 [ 641.472905] fallback_alloc+0x204/0x2e0 [ 641.476893] ____cache_alloc_node+0x1c7/0x1e0 [ 641.481399] kmem_cache_alloc_node+0xe3/0x730 [ 641.485920] ? lockdep_hardirqs_on+0x296/0x5b0 [ 641.490515] __alloc_skb+0x119/0x770 [ 641.494233] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 641.499604] ? netdev_alloc_frag+0x1f0/0x1f0 [ 641.504022] ? vprintk_default+0x28/0x30 [ 641.508089] ? vprintk_func+0x85/0x181 [ 641.511985] ? printk+0xa7/0xcf [ 641.515269] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 641.520045] new_skb+0x26/0x1c0 [ 641.523328] aoecmd_cfg+0x279/0x7f0 [ 641.526962] ? find_held_lock+0x36/0x1c0 [ 641.531029] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 641.535359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.540910] ? __lock_is_held+0xb5/0x140 [ 641.544985] discover_timer+0x50/0x60 [ 641.548788] call_timer_fn+0x272/0x920 [ 641.552675] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 641.557519] ? process_timeout+0x40/0x40 [ 641.561598] ? mark_held_locks+0xc7/0x130 [ 641.565748] ? _raw_spin_unlock_irq+0x27/0x80 [ 641.570241] ? _raw_spin_unlock_irq+0x27/0x80 [ 641.574739] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 641.579584] ? lockdep_hardirqs_on+0x296/0x5b0 [ 641.584176] ? trace_hardirqs_on+0xbd/0x310 [ 641.588499] ? kasan_check_read+0x11/0x20 [ 641.592650] ? __run_timers+0x7da/0xc70 [ 641.596629] ? trace_hardirqs_off_caller+0x310/0x310 [ 641.601753] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 641.606593] __run_timers+0x7e5/0xc70 [ 641.610415] ? timer_fixup_init+0x70/0x70 [ 641.614569] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 641.619589] ? zap_class+0x640/0x640 [ 641.623313] ? print_usage_bug+0xc0/0xc0 [ 641.627379] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 641.632583] ? find_held_lock+0x36/0x1c0 [ 641.636652] ? zap_class+0x640/0x640 [ 641.640375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.645939] ? check_preemption_disabled+0x48/0x280 [ 641.650973] ? __lock_is_held+0xb5/0x140 [ 641.655041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.660585] ? check_preemption_disabled+0x48/0x280 [ 641.665609] run_timer_softirq+0x52/0xb0 [ 641.669676] ? rcu_read_lock_sched_held+0x14f/0x180 [ 641.674962] __do_softirq+0x308/0xb7e [ 641.678767] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 641.683264] ? lock_downgrade+0x900/0x900 [ 641.687426] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 641.692540] ? pvclock_read_flags+0x160/0x160 [ 641.697041] ? lapic_next_event+0x5a/0x90 [ 641.701195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.706742] ? kvm_clock_read+0x18/0x30 [ 641.710723] ? kvm_sched_clock_read+0x9/0x20 [ 641.715151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 641.720709] ? check_preemption_disabled+0x48/0x280 [ 641.725744] irq_exit+0x17f/0x1c0 [ 641.729203] smp_apic_timer_interrupt+0x1cb/0x760 [ 641.734078] ? smp_reschedule_interrupt+0x109/0x650 [ 641.739097] ? smp_call_function_single_interrupt+0x650/0x650 [ 641.744989] ? interrupt_entry+0xb5/0xc0 [ 641.749058] ? trace_hardirqs_off_caller+0xbb/0x310 [ 641.754075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 641.759097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 641.763946] ? trace_hardirqs_on_caller+0x310/0x310 [ 641.768965] ? trace_hardirqs_on_caller+0x310/0x310 [ 641.773985] ? task_prio+0x50/0x50 [ 641.777533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.783078] ? check_preemption_disabled+0x48/0x280 [ 641.788108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 641.792963] apic_timer_interrupt+0xf/0x20 [ 641.797190] [ 641.799437] RIP: 0010:dump_stack+0x20e/0x39d [ 641.803847] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 641.822759] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 641.830476] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 641.837746] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 641.845014] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 641.852284] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 641.859552] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 641.866852] ? dump_stack+0x205/0x39d [ 641.871023] ? dump_stack_print_info.cold.1+0x20/0x20 [ 641.876222] ? mark_held_locks+0x130/0x130 [ 641.880472] ? mark_held_locks+0x130/0x130 [ 641.884715] dump_header+0x27b/0xf72 [ 641.888450] ? pagefault_out_of_memory+0x197/0x197 [ 641.893394] ? __lock_acquire+0x62f/0x4c20 [ 641.897641] ? percpu_ref_get_many+0x240/0x240 [ 641.902228] ? print_usage_bug+0xc0/0xc0 [ 641.906301] ? zap_class+0x640/0x640 [ 641.910023] ? print_usage_bug+0xc0/0xc0 [ 641.914089] ? print_usage_bug+0xc0/0xc0 [ 641.918157] ? zap_class+0x640/0x640 [ 641.921883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.927436] ? find_held_lock+0x36/0x1c0 [ 641.931508] ? mark_held_locks+0xc7/0x130 [ 641.935659] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 641.940772] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 641.945884] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 641.950478] ? trace_hardirqs_on+0xbd/0x310 [ 641.954808] ? kasan_check_read+0x11/0x20 [ 641.958958] ? ___ratelimit+0x3b4/0x672 [ 641.962934] ? trace_hardirqs_off_caller+0x310/0x310 [ 641.968038] ? trace_hardirqs_on+0x310/0x310 [ 641.972447] ? lock_downgrade+0x900/0x900 [ 641.976602] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 641.981709] ? ___ratelimit+0x3b9/0x672 [ 641.985685] ? idr_get_free+0xf70/0xf70 [ 641.989664] ? find_held_lock+0x36/0x1c0 [ 641.993737] oom_kill_process.cold.27+0x10/0x903 [ 641.998498] ? zap_class+0x640/0x640 [ 642.002213] ? check_preemption_disabled+0x48/0x280 [ 642.007249] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 642.012185] ? kasan_check_read+0x11/0x20 [ 642.016334] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 642.021612] ? oom_evaluate_task+0x540/0x540 [ 642.026029] ? find_held_lock+0x36/0x1c0 [ 642.030099] ? out_of_memory+0x974/0x1430 [ 642.034248] ? lock_downgrade+0x900/0x900 [ 642.038408] ? check_preemption_disabled+0x48/0x280 [ 642.043441] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 642.048372] ? kasan_check_read+0x11/0x20 [ 642.052531] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 642.057809] ? rcu_softirq_qs+0x20/0x20 [ 642.061790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 642.067327] ? oom_evaluate_task+0x302/0x540 [ 642.072179] out_of_memory+0xa84/0x1430 [ 642.076168] ? oom_killer_disable+0x3a0/0x3a0 [ 642.080669] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 642.085612] ? __ww_mutex_check_waiters+0x160/0x160 [ 642.090643] __alloc_pages_slowpath+0x2354/0x2e10 [ 642.095522] ? warn_alloc+0x120/0x120 [ 642.099324] ? mark_held_locks+0x130/0x130 [ 642.103570] ? find_get_entry+0xaae/0x1120 [ 642.108327] ? filemap_map_pages+0x1a20/0x1a20 [ 642.112920] ? zap_class+0x640/0x640 [ 642.116643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.122189] ? check_preemption_disabled+0x48/0x280 [ 642.127214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 642.132752] ? should_fail+0x22d/0xd01 [ 642.136648] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 642.141759] ? zap_class+0x640/0x640 [ 642.145505] ? __lock_is_held+0xb5/0x140 [ 642.149579] ? mark_held_locks+0x130/0x130 [ 642.153819] ? lock_release+0xa00/0xa00 [ 642.157798] ? perf_trace_sched_process_exec+0x860/0x860 [ 642.163250] ? xa_load+0x2ba/0x460 [ 642.166802] ? lock_downgrade+0x900/0x900 [ 642.170958] ? __might_sleep+0x95/0x190 [ 642.174952] __alloc_pages_nodemask+0xa80/0xde0 [ 642.179636] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 642.184654] ? __page_cache_alloc+0x191/0x5c0 [ 642.189149] ? xa_load+0x2e1/0x460 [ 642.192696] ? xa_clear_mark+0x40/0x40 [ 642.196587] ? zap_class+0x640/0x640 [ 642.200309] ? zap_class+0x640/0x640 [ 642.204029] ? zap_class+0x640/0x640 [ 642.207743] ? __do_page_cache_readahead+0x663/0x810 [ 642.212868] ? find_held_lock+0x36/0x1c0 [ 642.216940] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 642.222490] alloc_pages_current+0x173/0x350 [ 642.226916] __page_cache_alloc+0x38c/0x5c0 [ 642.231247] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 642.236184] ? kasan_check_read+0x11/0x20 [ 642.240336] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 642.245620] ? generic_perform_write+0x6a0/0x6a0 [ 642.250382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 642.255932] ? check_preemption_disabled+0x48/0x280 [ 642.260960] filemap_fault+0x1595/0x25f0 [ 642.265037] ? __lock_page_or_retry+0xa00/0xa00 [ 642.269713] ? mark_held_locks+0x130/0x130 [ 642.273960] ? filemap_map_pages+0xd6b/0x1a20 [ 642.278460] ? lock_downgrade+0x900/0x900 [ 642.282613] ? check_preemption_disabled+0x48/0x280 [ 642.287639] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 642.292570] ? kasan_check_read+0x11/0x20 [ 642.296722] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 642.302004] ? rcu_softirq_qs+0x20/0x20 [ 642.305997] ? filemap_map_pages+0xd92/0x1a20 [ 642.310510] ? find_get_entries_tag+0x1400/0x1400 [ 642.315362] ? debug_object_destroy+0x2b0/0x2b0 [ 642.320036] ? lock_pi_update_atomic+0x150/0x150 [ 642.324794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.330351] ? lock_acquire+0x1ed/0x520 [ 642.334327] ? ext4_filemap_fault+0x7a/0xad [ 642.338660] ? lock_release+0xa00/0xa00 [ 642.342638] ? perf_trace_sched_process_exec+0x860/0x860 [ 642.348095] ? print_usage_bug+0xc0/0xc0 [ 642.352166] ? print_usage_bug+0xc0/0xc0 [ 642.356247] ? down_read+0x8d/0x120 [ 642.359876] ? ext4_filemap_fault+0x7a/0xad [ 642.364203] ? __down_interruptible+0x700/0x700 [ 642.368885] ext4_filemap_fault+0x82/0xad [ 642.373042] __do_fault+0x100/0x6b0 [ 642.376671] ? find_held_lock+0x36/0x1c0 [ 642.380748] ? pmd_devmap_trans_unstable+0x220/0x220 [ 642.385863] ? mark_held_locks+0x130/0x130 [ 642.390102] ? mark_held_locks+0x130/0x130 [ 642.394347] ? debug_smp_processor_id+0x1c/0x20 [ 642.399021] ? perf_trace_lock+0x14d/0x7a0 [ 642.403260] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 642.407855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 642.413408] __handle_mm_fault+0x3ea0/0x5be0 [ 642.417834] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 642.422680] ? lock_is_held_type+0x210/0x210 [ 642.427101] ? preempt_notifier_register+0x200/0x200 [ 642.432203] ? __switch_to_asm+0x34/0x70 [ 642.436264] ? __switch_to_asm+0x34/0x70 [ 642.440342] ? zap_class+0x640/0x640 [ 642.444054] ? zap_class+0x640/0x640 [ 642.447768] ? __x64_sys_futex+0x53e/0x6a0 [ 642.452012] ? find_held_lock+0x36/0x1c0 [ 642.456099] ? handle_mm_fault+0x42a/0xc70 [ 642.460342] ? lock_downgrade+0x900/0x900 [ 642.464496] ? check_preemption_disabled+0x48/0x280 [ 642.469516] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 642.474795] ? kasan_check_read+0x11/0x20 [ 642.478945] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 642.484227] ? rcu_softirq_qs+0x20/0x20 [ 642.488207] ? trace_hardirqs_off_caller+0x310/0x310 [ 642.493318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 642.498863] ? check_preemption_disabled+0x48/0x280 [ 642.503890] handle_mm_fault+0x54f/0xc70 [ 642.507957] ? __handle_mm_fault+0x5be0/0x5be0 [ 642.512548] ? find_vma+0x34/0x190 [ 642.516097] __do_page_fault+0x5e8/0xe60 [ 642.520158] ? trace_hardirqs_off+0xb8/0x310 [ 642.524588] do_page_fault+0xf2/0x7e0 [ 642.528393] ? vmalloc_sync_all+0x30/0x30 [ 642.532552] ? error_entry+0x70/0xd0 [ 642.536271] ? trace_hardirqs_off_caller+0xbb/0x310 [ 642.541287] ? trace_hardirqs_on_caller+0xc0/0x310 [ 642.546218] ? syscall_return_slowpath+0x5e0/0x5e0 [ 642.551153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 642.556017] ? trace_hardirqs_on_caller+0x310/0x310 [ 642.561033] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 642.566491] ? prepare_exit_to_usermode+0x291/0x3b0 [ 642.571515] ? page_fault+0x8/0x30 [ 642.575064] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 642.579913] ? page_fault+0x8/0x30 [ 642.583462] page_fault+0x1e/0x30 [ 642.586914] RIP: 0033:0x40f9c0 [ 642.590122] Code: Bad RIP value. [ 642.593530] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 642.598896] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 642.606171] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 642.613443] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 642.620713] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 642.627986] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 642.635300] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 642.635386] aoe: skb alloc failure [ 642.642578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 642.642583] Call Trace: [ 642.642590] [ 642.642614] dump_stack+0x244/0x39d [ 642.642634] ? dump_stack_print_info.cold.1+0x20/0x20 [ 642.646230] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 642.655519] warn_alloc.cold.116+0xb7/0x1bd [ 642.658073] syz-fuzzer cpuset=/ mems_allowed=0 [ 642.660216] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 642.692918] ? lock_downgrade+0x900/0x900 [ 642.697081] ? trace_hardirqs_off+0xb8/0x310 [ 642.701501] ? trace_hardirqs_off+0xb8/0x310 [ 642.705937] __alloc_pages_slowpath+0x26e8/0x2e10 [ 642.710819] ? warn_alloc+0x120/0x120 [ 642.714624] ? print_usage_bug+0xc0/0xc0 [ 642.718709] ? warn_alloc+0x120/0x120 [ 642.722517] ? warn_alloc+0x120/0x120 [ 642.726325] ? print_usage_bug+0xc0/0xc0 [ 642.730397] ? print_usage_bug+0xc0/0xc0 [ 642.734475] ? __lock_acquire+0x62f/0x4c20 [ 642.738718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 642.744256] ? should_fail+0x22d/0xd01 [ 642.748150] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 642.753259] ? __lock_acquire+0x62f/0x4c20 [ 642.757503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 642.762608] ? __lock_acquire+0x62f/0x4c20 [ 642.766842] ? should_fail+0x22d/0xd01 [ 642.770734] ? find_held_lock+0x36/0x1c0 [ 642.774805] ? mark_held_locks+0x130/0x130 [ 642.779047] ? mark_held_locks+0x130/0x130 [ 642.783283] ? try_to_wake_up+0x11c/0x1490 [ 642.787522] ? lock_downgrade+0x900/0x900 [ 642.791684] ? zap_class+0x640/0x640 [ 642.795398] ? print_usage_bug+0xc0/0xc0 [ 642.799472] ? trace_hardirqs_off+0xb8/0x310 [ 642.803883] ? kasan_check_read+0x11/0x20 [ 642.808036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.813581] ? check_preemption_disabled+0x48/0x280 [ 642.818611] ? __lock_is_held+0xb5/0x140 [ 642.822688] __alloc_pages_nodemask+0xa80/0xde0 [ 642.827360] ? zap_class+0x640/0x640 [ 642.831084] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 642.836116] ? find_held_lock+0x36/0x1c0 [ 642.840188] ? ____cache_alloc_node+0x1c7/0x1e0 [ 642.844860] ? lock_downgrade+0x900/0x900 [ 642.849021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.854566] cache_grow_begin+0xa5/0x8c0 [ 642.858628] ? do_raw_spin_unlock+0xa7/0x330 [ 642.863050] fallback_alloc+0x204/0x2e0 [ 642.867034] ____cache_alloc_node+0x1c7/0x1e0 [ 642.871538] kmem_cache_alloc_node+0xe3/0x730 [ 642.876034] ? ipv6_get_ifaddr+0x42e/0x620 [ 642.880283] __alloc_skb+0x119/0x770 [ 642.884001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 642.889284] ? netdev_alloc_frag+0x1f0/0x1f0 [ 642.893698] ? lock_downgrade+0x900/0x900 [ 642.897859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.903408] ? refcount_sub_and_test_checked+0x203/0x310 [ 642.908866] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 642.914322] ? addrconf_rs_timer+0x690/0x690 [ 642.918746] ndisc_alloc_skb+0x144/0x340 [ 642.922815] ndisc_send_rs+0x331/0x6e0 [ 642.926710] addrconf_rs_timer+0x314/0x690 [ 642.930956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 642.935216] call_timer_fn+0x272/0x920 [ 642.939114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 642.943353] ? process_timeout+0x40/0x40 [ 642.947435] ? __run_timers+0x7da/0xc70 [ 642.951425] ? _raw_spin_unlock_irq+0x27/0x80 [ 642.955924] ? _raw_spin_unlock_irq+0x27/0x80 [ 642.960428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 642.964674] ? lockdep_hardirqs_on+0x296/0x5b0 [ 642.969263] ? trace_hardirqs_on+0xbd/0x310 [ 642.973587] ? kasan_check_read+0x11/0x20 [ 642.977939] ? __run_timers+0x7da/0xc70 [ 642.981920] ? trace_hardirqs_off_caller+0x310/0x310 [ 642.987028] ? __queue_work+0x1440/0x1440 [ 642.991196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 642.995435] __run_timers+0x7e5/0xc70 [ 642.999248] ? timer_fixup_init+0x70/0x70 [ 643.003412] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 643.008438] ? zap_class+0x640/0x640 [ 643.012157] ? enqueue_hrtimer+0x1a5/0x560 [ 643.016393] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 643.021603] ? find_held_lock+0x36/0x1c0 [ 643.025676] ? zap_class+0x640/0x640 [ 643.029395] ? pvclock_read_flags+0x160/0x160 [ 643.033905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.039451] ? check_preemption_disabled+0x48/0x280 [ 643.044479] ? __lock_is_held+0xb5/0x140 [ 643.048542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.054083] ? check_preemption_disabled+0x48/0x280 [ 643.059106] run_timer_softirq+0x52/0xb0 [ 643.063168] ? rcu_read_lock_sched_held+0x14f/0x180 [ 643.068190] __do_softirq+0x308/0xb7e [ 643.072000] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 643.076500] ? lock_downgrade+0x900/0x900 [ 643.080658] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 643.085782] ? pvclock_read_flags+0x160/0x160 [ 643.090281] ? lapic_next_event+0x5a/0x90 [ 643.094442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.099989] ? kvm_clock_read+0x18/0x30 [ 643.103962] ? kvm_sched_clock_read+0x9/0x20 [ 643.108380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.113932] ? check_preemption_disabled+0x48/0x280 [ 643.118963] irq_exit+0x17f/0x1c0 [ 643.122437] smp_apic_timer_interrupt+0x1cb/0x760 [ 643.127287] ? smp_reschedule_interrupt+0x109/0x650 [ 643.132321] ? smp_call_function_single_interrupt+0x650/0x650 [ 643.138208] ? interrupt_entry+0xb5/0xc0 [ 643.142276] ? trace_hardirqs_off_caller+0xbb/0x310 [ 643.147295] ? trace_hardirqs_off_caller+0xbb/0x310 [ 643.152314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.157164] ? trace_hardirqs_on_caller+0x310/0x310 [ 643.162185] ? trace_hardirqs_on_caller+0x310/0x310 [ 643.167209] ? task_prio+0x50/0x50 [ 643.171023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.176570] ? check_preemption_disabled+0x48/0x280 [ 643.181593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.186453] apic_timer_interrupt+0xf/0x20 [ 643.190685] [ 643.192928] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 643.197864] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 643.216778] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 643.224510] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 643.231786] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 643.239059] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 643.246325] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 643.253593] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 643.260917] skb_clone+0x1bb/0x500 [ 643.264466] ? finish_task_switch+0x1b4/0x910 [ 643.268967] ? skb_split+0x11e0/0x11e0 [ 643.272861] ? preempt_notifier_register+0x200/0x200 [ 643.277978] ? __switch_to_asm+0x34/0x70 [ 643.282038] ? __switch_to_asm+0x34/0x70 [ 643.286094] ? __switch_to_asm+0x40/0x70 [ 643.290157] ? __switch_to_asm+0x34/0x70 [ 643.294234] ? __switch_to_asm+0x40/0x70 [ 643.298291] ? __switch_to_asm+0x34/0x70 [ 643.302350] ? __switch_to_asm+0x40/0x70 [ 643.306415] ? __switch_to_asm+0x34/0x70 [ 643.310481] ? __switch_to_asm+0x34/0x70 [ 643.314540] ? __switch_to_asm+0x40/0x70 [ 643.318601] ? __switch_to_asm+0x34/0x70 [ 643.322674] bpf_clone_redirect+0xb9/0x490 [ 643.326912] ? __schedule+0x8d7/0x21d0 [ 643.330807] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 643.335827] ? __sched_text_start+0x8/0x8 [ 643.339982] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 643.344565] ? retint_kernel+0x2d/0x2d [ 643.348454] ? trace_hardirqs_on_caller+0xc0/0x310 [ 643.353393] ? find_held_lock+0x36/0x1c0 [ 643.357475] ? lock_acquire+0x1ed/0x520 [ 643.361449] ? bpf_test_run+0x3cb/0x780 [ 643.365437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.371346] ? check_preemption_disabled+0x48/0x280 [ 643.376370] ? kasan_check_read+0x11/0x20 [ 643.380535] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 643.386430] ? rcu_softirq_qs+0x20/0x20 [ 643.390417] ? preempt_schedule+0x4d/0x60 [ 643.394567] ? ___preempt_schedule+0x16/0x18 [ 643.398986] ? bpf_test_run+0x25d/0x780 [ 643.402979] ? netlink_diag_dump+0x2a0/0x2a0 [ 643.407393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 643.412945] ? bpf_test_init.isra.10+0x70/0x100 [ 643.417626] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 643.422393] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 643.427250] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 643.432789] ? fput+0x130/0x1a0 [ 643.436070] ? __bpf_prog_get+0x9b/0x290 [ 643.440135] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 643.444977] ? bpf_prog_test_run+0x130/0x1a0 [ 643.449391] ? __x64_sys_bpf+0x3d8/0x520 [ 643.453466] ? bpf_prog_get+0x20/0x20 [ 643.457292] ? do_syscall_64+0x1b9/0x820 [ 643.461355] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 643.466721] ? syscall_return_slowpath+0x5e0/0x5e0 [ 643.471651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.476502] ? trace_hardirqs_on_caller+0x310/0x310 [ 643.481526] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 643.486547] ? prepare_exit_to_usermode+0x291/0x3b0 [ 643.491571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 643.496430] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 643.501824] warn_alloc_show_mem: 1 callbacks suppressed [ 643.501836] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 643.501838] Mem-Info: [ 643.501871] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 643.501871] active_file:14 inactive_file:14 isolated_file:0 [ 643.501871] unevictable:0 dirty:0 writeback:0 unstable:0 [ 643.501871] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 643.501871] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 643.501871] free:13772 free_pcp:380 free_cma:0 [ 643.507212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 643.514234] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 643.516631] Call Trace: [ 643.549770] 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 [ 643.559129] [ 643.586972] lowmem_reserve[]: 0 2818 6321 6321 [ 643.589566] dump_stack+0x244/0x39d [ 643.615659] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 643.617819] ? dump_stack_print_info.cold.1+0x20/0x20 [ 643.622357] lowmem_reserve[]: 0 0 3503 3503 [ 643.626006] warn_alloc.cold.116+0xb7/0x1bd [ 643.653478] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 643.658687] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 643.662989] lowmem_reserve[]: 0 0 0 0 [ 643.667315] ? lock_downgrade+0x900/0x900 [ 643.696443] 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 [ 643.701296] ? trace_hardirqs_off+0xb8/0x310 [ 643.705052] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 643.709223] ? trace_hardirqs_off+0xb8/0x310 [ 643.722710] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 643.727138] __alloc_pages_slowpath+0x26e8/0x2e10 [ 643.742377] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 643.746807] ? warn_alloc+0x120/0x120 [ 643.761154] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 643.766003] ? warn_alloc+0x120/0x120 [ 643.774825] 12557 total pagecache pages [ 643.778630] ? warn_alloc+0x120/0x120 [ 643.787196] 0 pages in swap cache [ 643.790995] ? print_usage_bug+0xc0/0xc0 [ 643.794945] Swap cache stats: add 0, delete 0, find 0/0 [ 643.798740] ? print_usage_bug+0xc0/0xc0 [ 643.802163] Free swap = 0kB [ 643.802167] Total swap = 0kB [ 643.802176] 1965979 pages RAM [ 643.806231] ? ktime_get+0x2c1/0x400 [ 643.811568] 0 pages HighMem/MovableOnly [ 643.815638] ? check_preemption_disabled+0x48/0x280 [ 643.818641] 342853 pages reserved [ 643.821656] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 643.824746] 0 pages cma reserved [ 643.824824] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 643.828466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 643.828482] ? should_fail+0x22d/0xd01 [ 643.828500] ? kasan_check_read+0x11/0x20 [ 643.832511] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 643.837464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 643.840892] syz-executor1 cpuset=syz1 mems_allowed=0 [ 643.845388] ? __lock_acquire+0x62f/0x4c20 [ 643.893624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 643.898736] ? should_fail+0x22d/0xd01 [ 643.902632] ? print_usage_bug+0xc0/0xc0 [ 643.906705] ? mark_held_locks+0x130/0x130 [ 643.910957] ? mark_held_locks+0x130/0x130 [ 643.915201] ? check_preemption_disabled+0x48/0x280 [ 643.920240] ? zap_class+0x640/0x640 [ 643.923959] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 643.928724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.934275] ? check_preemption_disabled+0x48/0x280 [ 643.939315] ? __lock_is_held+0xb5/0x140 [ 643.943385] __alloc_pages_nodemask+0xa80/0xde0 [ 643.948071] ? zap_class+0x640/0x640 [ 643.951804] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 643.956839] ? find_held_lock+0x36/0x1c0 [ 643.960919] ? ____cache_alloc_node+0x1c7/0x1e0 [ 643.965595] ? lock_downgrade+0x900/0x900 [ 643.969757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 643.975306] cache_grow_begin+0xa5/0x8c0 [ 643.979379] ? do_raw_spin_unlock+0xa7/0x330 [ 643.983805] fallback_alloc+0x204/0x2e0 [ 643.987791] ____cache_alloc_node+0x1c7/0x1e0 [ 643.992295] kmem_cache_alloc_node+0xe3/0x730 [ 643.996799] ? lockdep_hardirqs_on+0x296/0x5b0 [ 644.001396] __alloc_skb+0x119/0x770 [ 644.005122] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 644.010499] ? netdev_alloc_frag+0x1f0/0x1f0 [ 644.014933] ? vprintk_default+0x28/0x30 [ 644.018999] ? vprintk_func+0x85/0x181 [ 644.022889] ? printk+0xa7/0xcf [ 644.026180] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 644.030950] new_skb+0x26/0x1c0 [ 644.034237] aoecmd_cfg+0x279/0x7f0 [ 644.037871] ? find_held_lock+0x36/0x1c0 [ 644.041941] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 644.046272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.051825] ? __lock_is_held+0xb5/0x140 [ 644.055902] discover_timer+0x50/0x60 [ 644.059708] call_timer_fn+0x272/0x920 [ 644.063598] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 644.068444] ? process_timeout+0x40/0x40 [ 644.072524] ? mark_held_locks+0xc7/0x130 [ 644.076682] ? _raw_spin_unlock_irq+0x27/0x80 [ 644.081182] ? _raw_spin_unlock_irq+0x27/0x80 [ 644.085681] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 644.090532] ? lockdep_hardirqs_on+0x296/0x5b0 [ 644.095128] ? trace_hardirqs_on+0xbd/0x310 [ 644.099451] ? kasan_check_read+0x11/0x20 [ 644.103600] ? __run_timers+0x7da/0xc70 [ 644.108056] ? trace_hardirqs_off_caller+0x310/0x310 [ 644.113187] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 644.118035] __run_timers+0x7e5/0xc70 [ 644.121854] ? timer_fixup_init+0x70/0x70 [ 644.126010] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 644.131033] ? zap_class+0x640/0x640 [ 644.134755] ? print_usage_bug+0xc0/0xc0 [ 644.138823] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 644.144023] ? find_held_lock+0x36/0x1c0 [ 644.148091] ? zap_class+0x640/0x640 [ 644.151816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.157361] ? check_preemption_disabled+0x48/0x280 [ 644.162390] ? __lock_is_held+0xb5/0x140 [ 644.166464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.172008] ? check_preemption_disabled+0x48/0x280 [ 644.177035] run_timer_softirq+0x52/0xb0 [ 644.181124] ? rcu_read_lock_sched_held+0x14f/0x180 [ 644.186146] __do_softirq+0x308/0xb7e [ 644.189958] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 644.194460] ? lock_downgrade+0x900/0x900 [ 644.198628] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 644.203749] ? pvclock_read_flags+0x160/0x160 [ 644.208250] ? lapic_next_event+0x5a/0x90 [ 644.212417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.217965] ? kvm_clock_read+0x18/0x30 [ 644.221943] ? kvm_sched_clock_read+0x9/0x20 [ 644.226356] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.231901] ? check_preemption_disabled+0x48/0x280 [ 644.236932] irq_exit+0x17f/0x1c0 [ 644.240395] smp_apic_timer_interrupt+0x1cb/0x760 [ 644.245251] ? smp_reschedule_interrupt+0x109/0x650 [ 644.250279] ? smp_call_function_single_interrupt+0x650/0x650 [ 644.256173] ? interrupt_entry+0xb5/0xc0 [ 644.260241] ? trace_hardirqs_off_caller+0xbb/0x310 [ 644.265261] ? trace_hardirqs_off_caller+0xbb/0x310 [ 644.270285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 644.275137] ? trace_hardirqs_on_caller+0x310/0x310 [ 644.280161] ? trace_hardirqs_on_caller+0x310/0x310 [ 644.285188] ? task_prio+0x50/0x50 [ 644.288737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.294281] ? check_preemption_disabled+0x48/0x280 [ 644.299308] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 644.304174] apic_timer_interrupt+0xf/0x20 [ 644.308410] [ 644.310652] RIP: 0010:dump_stack+0x20e/0x39d [ 644.315064] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 644.333990] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 644.341728] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 644.349003] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 644.356277] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 644.363551] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 644.370829] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 644.378135] ? dump_stack+0x205/0x39d [ 644.381967] ? dump_stack_print_info.cold.1+0x20/0x20 [ 644.387176] ? mark_held_locks+0x130/0x130 [ 644.391421] ? mark_held_locks+0x130/0x130 [ 644.395668] dump_header+0x27b/0xf72 [ 644.399410] ? pagefault_out_of_memory+0x197/0x197 [ 644.404351] ? __lock_acquire+0x62f/0x4c20 [ 644.408594] ? percpu_ref_get_many+0x240/0x240 [ 644.413188] ? print_usage_bug+0xc0/0xc0 [ 644.417257] ? zap_class+0x640/0x640 [ 644.420978] ? print_usage_bug+0xc0/0xc0 [ 644.425039] ? print_usage_bug+0xc0/0xc0 [ 644.429101] ? zap_class+0x640/0x640 [ 644.432821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.438366] ? find_held_lock+0x36/0x1c0 [ 644.442447] ? mark_held_locks+0xc7/0x130 [ 644.446601] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 644.451704] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 644.456815] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 644.461414] ? trace_hardirqs_on+0xbd/0x310 [ 644.465739] ? kasan_check_read+0x11/0x20 [ 644.469892] ? ___ratelimit+0x3b4/0x672 [ 644.473874] ? trace_hardirqs_off_caller+0x310/0x310 [ 644.478986] ? trace_hardirqs_on+0x310/0x310 [ 644.483412] ? lock_downgrade+0x900/0x900 [ 644.487575] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 644.492680] ? ___ratelimit+0x3b9/0x672 [ 644.496666] ? idr_get_free+0xf70/0xf70 [ 644.500644] ? find_held_lock+0x36/0x1c0 [ 644.504719] oom_kill_process.cold.27+0x10/0x903 [ 644.509479] ? zap_class+0x640/0x640 [ 644.513201] ? check_preemption_disabled+0x48/0x280 [ 644.518226] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 644.523160] ? kasan_check_read+0x11/0x20 [ 644.527320] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 644.532605] ? oom_evaluate_task+0x540/0x540 [ 644.537021] ? find_held_lock+0x36/0x1c0 [ 644.541096] ? out_of_memory+0x974/0x1430 [ 644.545257] ? lock_downgrade+0x900/0x900 [ 644.549424] ? check_preemption_disabled+0x48/0x280 [ 644.554455] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 644.559389] ? kasan_check_read+0x11/0x20 [ 644.563550] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 644.568827] ? rcu_softirq_qs+0x20/0x20 [ 644.572815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.578353] ? oom_evaluate_task+0x302/0x540 [ 644.582768] out_of_memory+0xa84/0x1430 [ 644.586756] ? oom_killer_disable+0x3a0/0x3a0 [ 644.591257] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 644.596194] ? __ww_mutex_check_waiters+0x160/0x160 [ 644.601227] __alloc_pages_slowpath+0x2354/0x2e10 [ 644.606106] ? warn_alloc+0x120/0x120 [ 644.609906] ? mark_held_locks+0x130/0x130 [ 644.614149] ? find_get_entry+0xaae/0x1120 [ 644.618412] ? filemap_map_pages+0x1a20/0x1a20 [ 644.623006] ? zap_class+0x640/0x640 [ 644.626731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.632274] ? check_preemption_disabled+0x48/0x280 [ 644.637291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.642831] ? should_fail+0x22d/0xd01 [ 644.646726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 644.651834] ? zap_class+0x640/0x640 [ 644.655577] ? __lock_is_held+0xb5/0x140 [ 644.659648] ? mark_held_locks+0x130/0x130 [ 644.663887] ? lock_release+0xa00/0xa00 [ 644.667867] ? perf_trace_sched_process_exec+0x860/0x860 [ 644.673320] ? xa_load+0x2ba/0x460 [ 644.676863] ? lock_downgrade+0x900/0x900 [ 644.681018] ? __might_sleep+0x95/0x190 [ 644.685001] __alloc_pages_nodemask+0xa80/0xde0 [ 644.689680] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 644.694699] ? __page_cache_alloc+0x191/0x5c0 [ 644.699199] ? xa_load+0x2e1/0x460 [ 644.702742] ? xa_clear_mark+0x40/0x40 [ 644.706639] ? zap_class+0x640/0x640 [ 644.710360] ? zap_class+0x640/0x640 [ 644.714077] ? zap_class+0x640/0x640 [ 644.717792] ? __do_page_cache_readahead+0x663/0x810 [ 644.722902] ? find_held_lock+0x36/0x1c0 [ 644.726969] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 644.732514] alloc_pages_current+0x173/0x350 [ 644.736931] __page_cache_alloc+0x38c/0x5c0 [ 644.741253] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 644.746190] ? kasan_check_read+0x11/0x20 [ 644.750338] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 644.755624] ? generic_perform_write+0x6a0/0x6a0 [ 644.760385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.765936] ? check_preemption_disabled+0x48/0x280 [ 644.770963] filemap_fault+0x1595/0x25f0 [ 644.775038] ? __lock_page_or_retry+0xa00/0xa00 [ 644.779715] ? mark_held_locks+0x130/0x130 [ 644.783967] ? filemap_map_pages+0xd6b/0x1a20 [ 644.788479] ? lock_downgrade+0x900/0x900 [ 644.792635] ? check_preemption_disabled+0x48/0x280 [ 644.797663] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 644.802594] ? kasan_check_read+0x11/0x20 [ 644.806745] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 644.812023] ? rcu_softirq_qs+0x20/0x20 [ 644.816016] ? filemap_map_pages+0xd92/0x1a20 [ 644.820530] ? find_get_entries_tag+0x1400/0x1400 [ 644.825383] ? debug_object_destroy+0x2b0/0x2b0 [ 644.830067] ? lock_pi_update_atomic+0x150/0x150 [ 644.834826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 644.840380] ? lock_acquire+0x1ed/0x520 [ 644.844367] ? ext4_filemap_fault+0x7a/0xad [ 644.848696] ? lock_release+0xa00/0xa00 [ 644.852673] ? perf_trace_sched_process_exec+0x860/0x860 [ 644.858131] ? print_usage_bug+0xc0/0xc0 [ 644.862201] ? print_usage_bug+0xc0/0xc0 [ 644.866277] ? down_read+0x8d/0x120 [ 644.869907] ? ext4_filemap_fault+0x7a/0xad [ 644.874231] ? __down_interruptible+0x700/0x700 [ 644.878914] ext4_filemap_fault+0x82/0xad [ 644.883069] __do_fault+0x100/0x6b0 [ 644.886700] ? find_held_lock+0x36/0x1c0 [ 644.890768] ? pmd_devmap_trans_unstable+0x220/0x220 [ 644.895880] ? mark_held_locks+0x130/0x130 [ 644.900120] ? mark_held_locks+0x130/0x130 [ 644.904363] ? debug_smp_processor_id+0x1c/0x20 [ 644.909038] ? perf_trace_lock+0x14d/0x7a0 [ 644.913281] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 644.917879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 644.923433] __handle_mm_fault+0x3ea0/0x5be0 [ 644.927857] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 644.932707] ? lock_is_held_type+0x210/0x210 [ 644.937128] ? preempt_notifier_register+0x200/0x200 [ 644.942232] ? __switch_to_asm+0x34/0x70 [ 644.946295] ? __switch_to_asm+0x34/0x70 [ 644.950373] ? zap_class+0x640/0x640 [ 644.954106] ? zap_class+0x640/0x640 [ 644.957827] ? __x64_sys_futex+0x53e/0x6a0 [ 644.962073] ? find_held_lock+0x36/0x1c0 [ 644.966153] ? handle_mm_fault+0x42a/0xc70 [ 644.970395] ? lock_downgrade+0x900/0x900 [ 644.974737] ? check_preemption_disabled+0x48/0x280 [ 644.979763] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 644.984693] ? kasan_check_read+0x11/0x20 [ 644.988843] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 644.994126] ? rcu_softirq_qs+0x20/0x20 [ 644.998105] ? trace_hardirqs_off_caller+0x310/0x310 [ 645.003216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 645.008758] ? check_preemption_disabled+0x48/0x280 [ 645.013789] handle_mm_fault+0x54f/0xc70 [ 645.017861] ? __handle_mm_fault+0x5be0/0x5be0 [ 645.022451] ? find_vma+0x34/0x190 [ 645.025999] __do_page_fault+0x5e8/0xe60 [ 645.030065] ? trace_hardirqs_off+0xb8/0x310 [ 645.034489] do_page_fault+0xf2/0x7e0 [ 645.038293] ? vmalloc_sync_all+0x30/0x30 [ 645.042446] ? error_entry+0x70/0xd0 [ 645.046176] ? trace_hardirqs_off_caller+0xbb/0x310 [ 645.051203] ? trace_hardirqs_on_caller+0xc0/0x310 [ 645.056134] ? syscall_return_slowpath+0x5e0/0x5e0 [ 645.061068] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 645.065923] ? trace_hardirqs_on_caller+0x310/0x310 [ 645.070952] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 645.076435] ? prepare_exit_to_usermode+0x291/0x3b0 [ 645.081466] ? page_fault+0x8/0x30 [ 645.085016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 645.089866] ? page_fault+0x8/0x30 [ 645.093416] page_fault+0x1e/0x30 [ 645.096874] RIP: 0033:0x40f9c0 [ 645.100076] Code: Bad RIP value. [ 645.103438] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 645.108800] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 645.116073] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 645.123345] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 645.130622] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 645.137893] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 645.145203] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 645.145268] aoe: skb alloc failure [ 645.152482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 645.152487] Call Trace: [ 645.152494] [ 645.152517] dump_stack+0x244/0x39d [ 645.152536] ? dump_stack_print_info.cold.1+0x20/0x20 [ 645.152563] warn_alloc.cold.116+0xb7/0x1bd [ 645.156145] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 645.165436] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 645.167999] syz-fuzzer cpuset=/ mems_allowed=0 [ 645.170143] ? lock_downgrade+0x900/0x900 [ 645.206990] ? trace_hardirqs_off+0xb8/0x310 [ 645.211414] ? trace_hardirqs_off+0xb8/0x310 [ 645.215835] __alloc_pages_slowpath+0x26e8/0x2e10 [ 645.220717] ? warn_alloc+0x120/0x120 [ 645.224528] ? print_usage_bug+0xc0/0xc0 [ 645.228591] ? warn_alloc+0x120/0x120 [ 645.232398] ? warn_alloc+0x120/0x120 [ 645.236214] ? print_usage_bug+0xc0/0xc0 [ 645.240285] ? print_usage_bug+0xc0/0xc0 [ 645.244359] ? __lock_acquire+0x62f/0x4c20 [ 645.248603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 645.254141] ? should_fail+0x22d/0xd01 [ 645.258043] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 645.263152] ? __lock_acquire+0x62f/0x4c20 [ 645.267398] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 645.272510] ? __lock_acquire+0x62f/0x4c20 [ 645.276745] ? should_fail+0x22d/0xd01 [ 645.280633] ? find_held_lock+0x36/0x1c0 [ 645.284714] ? mark_held_locks+0x130/0x130 [ 645.288956] ? mark_held_locks+0x130/0x130 [ 645.293189] ? zap_class+0x640/0x640 [ 645.296903] ? zap_class+0x640/0x640 [ 645.300621] ? print_usage_bug+0xc0/0xc0 [ 645.304685] ? do_raw_spin_unlock+0xa7/0x330 [ 645.309101] ? zap_class+0x640/0x640 [ 645.312816] ? print_usage_bug+0xc0/0xc0 [ 645.316876] ? wq_watchdog_touch+0x9c/0xfe [ 645.321126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.326679] ? check_preemption_disabled+0x48/0x280 [ 645.331714] ? __lock_is_held+0xb5/0x140 [ 645.335785] __alloc_pages_nodemask+0xa80/0xde0 [ 645.340460] ? zap_class+0x640/0x640 [ 645.344179] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 645.349209] ? find_held_lock+0x36/0x1c0 [ 645.353285] ? ____cache_alloc_node+0x1c7/0x1e0 [ 645.357959] ? lock_downgrade+0x900/0x900 [ 645.362118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.367670] cache_grow_begin+0xa5/0x8c0 [ 645.371737] ? do_raw_spin_unlock+0xa7/0x330 [ 645.376157] fallback_alloc+0x204/0x2e0 [ 645.380148] ____cache_alloc_node+0x1c7/0x1e0 [ 645.384652] kmem_cache_alloc_node+0xe3/0x730 [ 645.389153] ? ipv6_get_ifaddr+0x42e/0x620 [ 645.393421] __alloc_skb+0x119/0x770 [ 645.397135] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 645.402425] ? netdev_alloc_frag+0x1f0/0x1f0 [ 645.406840] ? lock_downgrade+0x900/0x900 [ 645.411000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.416540] ? refcount_sub_and_test_checked+0x203/0x310 [ 645.421998] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 645.427455] ? addrconf_rs_timer+0x690/0x690 [ 645.431883] ndisc_alloc_skb+0x144/0x340 [ 645.435951] ndisc_send_rs+0x331/0x6e0 [ 645.439845] addrconf_rs_timer+0x314/0x690 [ 645.444087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.448333] call_timer_fn+0x272/0x920 [ 645.452224] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.456467] ? process_timeout+0x40/0x40 [ 645.460539] ? __run_timers+0x7da/0xc70 [ 645.464516] ? _raw_spin_unlock_irq+0x27/0x80 [ 645.469016] ? _raw_spin_unlock_irq+0x27/0x80 [ 645.473513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.477752] ? lockdep_hardirqs_on+0x296/0x5b0 [ 645.482337] ? trace_hardirqs_on+0xbd/0x310 [ 645.486660] ? kasan_check_read+0x11/0x20 [ 645.490814] ? __run_timers+0x7da/0xc70 [ 645.494790] ? trace_hardirqs_off_caller+0x310/0x310 [ 645.499902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.504147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 645.508382] __run_timers+0x7e5/0xc70 [ 645.512203] ? timer_fixup_init+0x70/0x70 [ 645.516354] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 645.521378] ? zap_class+0x640/0x640 [ 645.525106] ? enqueue_hrtimer+0x1a5/0x560 [ 645.529345] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 645.534549] ? find_held_lock+0x36/0x1c0 [ 645.538617] ? zap_class+0x640/0x640 [ 645.542334] ? pvclock_read_flags+0x160/0x160 [ 645.546834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.552378] ? check_preemption_disabled+0x48/0x280 [ 645.557420] ? __lock_is_held+0xb5/0x140 [ 645.561489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.567031] ? check_preemption_disabled+0x48/0x280 [ 645.572055] run_timer_softirq+0x52/0xb0 [ 645.576119] ? rcu_read_lock_sched_held+0x14f/0x180 [ 645.581139] __do_softirq+0x308/0xb7e [ 645.584947] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 645.589447] ? lock_downgrade+0x900/0x900 [ 645.593601] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 645.598718] ? pvclock_read_flags+0x160/0x160 [ 645.603221] ? lapic_next_event+0x5a/0x90 [ 645.607377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.612929] ? kvm_clock_read+0x18/0x30 [ 645.616904] ? kvm_sched_clock_read+0x9/0x20 [ 645.621320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.626861] ? check_preemption_disabled+0x48/0x280 [ 645.631896] irq_exit+0x17f/0x1c0 [ 645.635359] smp_apic_timer_interrupt+0x1cb/0x760 [ 645.640206] ? smp_reschedule_interrupt+0x109/0x650 [ 645.645225] ? smp_call_function_single_interrupt+0x650/0x650 [ 645.651111] ? interrupt_entry+0xb5/0xc0 [ 645.655179] ? trace_hardirqs_off_caller+0xbb/0x310 [ 645.660197] ? trace_hardirqs_off_caller+0xbb/0x310 [ 645.665220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 645.670064] ? trace_hardirqs_on_caller+0x310/0x310 [ 645.675082] ? trace_hardirqs_on_caller+0x310/0x310 [ 645.680101] ? task_prio+0x50/0x50 [ 645.683650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.689199] ? check_preemption_disabled+0x48/0x280 [ 645.694222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 645.699077] apic_timer_interrupt+0xf/0x20 [ 645.703310] [ 645.705553] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 645.710483] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 645.729394] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 645.737116] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 645.744389] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 645.751680] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 645.758953] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 645.766220] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 645.773539] skb_clone+0x1bb/0x500 [ 645.777081] ? finish_task_switch+0x1b4/0x910 [ 645.781611] ? skb_split+0x11e0/0x11e0 [ 645.785508] ? preempt_notifier_register+0x200/0x200 [ 645.790613] ? __switch_to_asm+0x34/0x70 [ 645.794678] ? __switch_to_asm+0x34/0x70 [ 645.798741] ? __switch_to_asm+0x40/0x70 [ 645.802798] ? __switch_to_asm+0x34/0x70 [ 645.806860] ? __switch_to_asm+0x40/0x70 [ 645.810919] ? __switch_to_asm+0x34/0x70 [ 645.814983] ? __switch_to_asm+0x40/0x70 [ 645.819040] ? __switch_to_asm+0x34/0x70 [ 645.823102] ? __switch_to_asm+0x34/0x70 [ 645.827164] ? __switch_to_asm+0x40/0x70 [ 645.831226] ? __switch_to_asm+0x34/0x70 [ 645.835300] bpf_clone_redirect+0xb9/0x490 [ 645.839540] ? __schedule+0x8d7/0x21d0 [ 645.843442] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 645.848469] ? __sched_text_start+0x8/0x8 [ 645.852626] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 645.857206] ? retint_kernel+0x2d/0x2d [ 645.861095] ? trace_hardirqs_on_caller+0xc0/0x310 [ 645.866032] ? find_held_lock+0x36/0x1c0 [ 645.870107] ? lock_acquire+0x1ed/0x520 [ 645.874085] ? bpf_test_run+0x3cb/0x780 [ 645.878064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.883605] ? check_preemption_disabled+0x48/0x280 [ 645.888629] ? kasan_check_read+0x11/0x20 [ 645.892779] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 645.898059] ? rcu_softirq_qs+0x20/0x20 [ 645.902041] ? preempt_schedule+0x4d/0x60 [ 645.906206] ? ___preempt_schedule+0x16/0x18 [ 645.910625] ? bpf_test_run+0x25d/0x780 [ 645.914618] ? netlink_diag_dump+0x2a0/0x2a0 [ 645.919034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 645.924578] ? bpf_test_init.isra.10+0x70/0x100 [ 645.929256] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 645.934027] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 645.938870] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 645.944417] ? fput+0x130/0x1a0 [ 645.947704] ? __bpf_prog_get+0x9b/0x290 [ 645.951778] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 645.956625] ? bpf_prog_test_run+0x130/0x1a0 [ 645.961053] ? __x64_sys_bpf+0x3d8/0x520 [ 645.965118] ? bpf_prog_get+0x20/0x20 [ 645.968945] ? do_syscall_64+0x1b9/0x820 [ 645.973010] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 645.978635] ? syscall_return_slowpath+0x5e0/0x5e0 [ 645.983569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 645.988422] ? trace_hardirqs_on_caller+0x310/0x310 [ 645.993444] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 645.998465] ? prepare_exit_to_usermode+0x291/0x3b0 [ 646.003492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 646.008350] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 646.013731] warn_alloc_show_mem: 1 callbacks suppressed [ 646.013743] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 646.013745] Mem-Info: [ 646.013777] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 646.013777] active_file:14 inactive_file:14 isolated_file:0 [ 646.013777] unevictable:0 dirty:0 writeback:0 unstable:0 [ 646.013777] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 646.013777] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 646.013777] free:13772 free_pcp:380 free_cma:0 [ 646.019114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 646.026135] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 646.028536] Call Trace: [ 646.061672] 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 [ 646.071284] [ 646.099129] lowmem_reserve[]: 0 2818 6321 6321 [ 646.101724] dump_stack+0x244/0x39d [ 646.127827] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 646.129991] ? dump_stack_print_info.cold.1+0x20/0x20 [ 646.134530] lowmem_reserve[]: 0 0 3503 3503 [ 646.138179] warn_alloc.cold.116+0xb7/0x1bd [ 646.165648] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 646.170841] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 646.175123] lowmem_reserve[]: 0 0 0 0 [ 646.179457] ? lock_downgrade+0x900/0x900 [ 646.208585] 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 [ 646.213444] ? trace_hardirqs_off+0xb8/0x310 [ 646.217203] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 646.221362] ? trace_hardirqs_off+0xb8/0x310 [ 646.234864] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 646.239280] __alloc_pages_slowpath+0x26e8/0x2e10 [ 646.254518] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 646.258948] ? warn_alloc+0x120/0x120 [ 646.273293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 646.273302] 12557 total pagecache pages [ 646.278156] ? warn_alloc+0x120/0x120 [ 646.286973] 0 pages in swap cache [ 646.290770] ? warn_alloc+0x120/0x120 [ 646.299318] Swap cache stats: add 0, delete 0, find 0/0 [ 646.303293] ? print_usage_bug+0xc0/0xc0 [ 646.307061] Free swap = 0kB [ 646.310510] ? print_usage_bug+0xc0/0xc0 [ 646.314279] Total swap = 0kB [ 646.319637] ? ktime_get+0x2c1/0x400 [ 646.323674] 1965979 pages RAM [ 646.326695] ? check_preemption_disabled+0x48/0x280 [ 646.330716] 0 pages HighMem/MovableOnly [ 646.330725] 342853 pages reserved [ 646.333737] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 646.337429] 0 pages cma reserved [ 646.340531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.345582] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 646.349480] ? should_fail+0x22d/0xd01 [ 646.349497] ? kasan_check_read+0x11/0x20 [ 646.349514] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 646.353006] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 646.357440] ? __lock_acquire+0x62f/0x4c20 [ 646.360780] syz-executor1 cpuset=syz1 mems_allowed=0 [ 646.366311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 646.410754] ? should_fail+0x22d/0xd01 [ 646.414646] ? print_usage_bug+0xc0/0xc0 [ 646.418722] ? mark_held_locks+0x130/0x130 [ 646.422965] ? mark_held_locks+0x130/0x130 [ 646.427209] ? check_preemption_disabled+0x48/0x280 [ 646.432240] ? zap_class+0x640/0x640 [ 646.435963] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 646.440726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.446269] ? check_preemption_disabled+0x48/0x280 [ 646.451299] ? __lock_is_held+0xb5/0x140 [ 646.455369] __alloc_pages_nodemask+0xa80/0xde0 [ 646.460049] ? zap_class+0x640/0x640 [ 646.463772] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 646.468802] ? find_held_lock+0x36/0x1c0 [ 646.472880] ? ____cache_alloc_node+0x1c7/0x1e0 [ 646.477559] ? lock_downgrade+0x900/0x900 [ 646.481721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.487270] cache_grow_begin+0xa5/0x8c0 [ 646.491335] ? do_raw_spin_unlock+0xa7/0x330 [ 646.495757] fallback_alloc+0x204/0x2e0 [ 646.499773] ____cache_alloc_node+0x1c7/0x1e0 [ 646.504292] kmem_cache_alloc_node+0xe3/0x730 [ 646.508794] ? lockdep_hardirqs_on+0x296/0x5b0 [ 646.513416] __alloc_skb+0x119/0x770 [ 646.517132] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 646.522508] ? netdev_alloc_frag+0x1f0/0x1f0 [ 646.526930] ? vprintk_default+0x28/0x30 [ 646.531000] ? vprintk_func+0x85/0x181 [ 646.534899] ? printk+0xa7/0xcf [ 646.538193] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 646.542962] new_skb+0x26/0x1c0 [ 646.546250] aoecmd_cfg+0x279/0x7f0 [ 646.549889] ? find_held_lock+0x36/0x1c0 [ 646.553957] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 646.558291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.563849] ? __lock_is_held+0xb5/0x140 [ 646.567931] discover_timer+0x50/0x60 [ 646.571736] call_timer_fn+0x272/0x920 [ 646.575631] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 646.580478] ? process_timeout+0x40/0x40 [ 646.584555] ? mark_held_locks+0xc7/0x130 [ 646.588716] ? _raw_spin_unlock_irq+0x27/0x80 [ 646.593217] ? _raw_spin_unlock_irq+0x27/0x80 [ 646.597716] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 646.602564] ? lockdep_hardirqs_on+0x296/0x5b0 [ 646.607152] ? trace_hardirqs_on+0xbd/0x310 [ 646.611487] ? kasan_check_read+0x11/0x20 [ 646.615640] ? __run_timers+0x7da/0xc70 [ 646.619619] ? trace_hardirqs_off_caller+0x310/0x310 [ 646.624747] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 646.629603] __run_timers+0x7e5/0xc70 [ 646.633428] ? timer_fixup_init+0x70/0x70 [ 646.637584] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 646.642604] ? zap_class+0x640/0x640 [ 646.646329] ? print_usage_bug+0xc0/0xc0 [ 646.650394] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 646.655607] ? find_held_lock+0x36/0x1c0 [ 646.659680] ? zap_class+0x640/0x640 [ 646.663411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.668960] ? check_preemption_disabled+0x48/0x280 [ 646.673991] ? __lock_is_held+0xb5/0x140 [ 646.678060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.683603] ? check_preemption_disabled+0x48/0x280 [ 646.688630] run_timer_softirq+0x52/0xb0 [ 646.692694] ? rcu_read_lock_sched_held+0x14f/0x180 [ 646.697717] __do_softirq+0x308/0xb7e [ 646.701529] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 646.706027] ? lock_downgrade+0x900/0x900 [ 646.710193] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 646.715316] ? pvclock_read_flags+0x160/0x160 [ 646.719814] ? lapic_next_event+0x5a/0x90 [ 646.723973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.729524] ? kvm_clock_read+0x18/0x30 [ 646.733504] ? kvm_sched_clock_read+0x9/0x20 [ 646.737921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.743467] ? check_preemption_disabled+0x48/0x280 [ 646.748497] irq_exit+0x17f/0x1c0 [ 646.751957] smp_apic_timer_interrupt+0x1cb/0x760 [ 646.756800] ? smp_reschedule_interrupt+0x109/0x650 [ 646.761825] ? smp_call_function_single_interrupt+0x650/0x650 [ 646.767715] ? interrupt_entry+0xb5/0xc0 [ 646.771781] ? trace_hardirqs_off_caller+0xbb/0x310 [ 646.776801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 646.781822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 646.786670] ? trace_hardirqs_on_caller+0x310/0x310 [ 646.791691] ? trace_hardirqs_on_caller+0x310/0x310 [ 646.796713] ? task_prio+0x50/0x50 [ 646.800257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.805800] ? check_preemption_disabled+0x48/0x280 [ 646.810832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 646.815685] apic_timer_interrupt+0xf/0x20 [ 646.819914] [ 646.822159] RIP: 0010:dump_stack+0x20e/0x39d [ 646.826575] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 646.845483] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 646.853201] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 646.860475] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 646.867747] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 646.875020] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 646.882292] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 646.889590] ? dump_stack+0x205/0x39d [ 646.893418] ? dump_stack_print_info.cold.1+0x20/0x20 [ 646.898620] ? mark_held_locks+0x130/0x130 [ 646.902862] ? mark_held_locks+0x130/0x130 [ 646.907105] dump_header+0x27b/0xf72 [ 646.910834] ? pagefault_out_of_memory+0x197/0x197 [ 646.915776] ? __lock_acquire+0x62f/0x4c20 [ 646.920017] ? percpu_ref_get_many+0x240/0x240 [ 646.924607] ? print_usage_bug+0xc0/0xc0 [ 646.928680] ? zap_class+0x640/0x640 [ 646.932398] ? print_usage_bug+0xc0/0xc0 [ 646.936484] ? print_usage_bug+0xc0/0xc0 [ 646.940552] ? zap_class+0x640/0x640 [ 646.944278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.949828] ? find_held_lock+0x36/0x1c0 [ 646.953904] ? mark_held_locks+0xc7/0x130 [ 646.958064] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 646.963175] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 646.968284] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 646.972873] ? trace_hardirqs_on+0xbd/0x310 [ 646.977340] ? kasan_check_read+0x11/0x20 [ 646.981492] ? ___ratelimit+0x3b4/0x672 [ 646.985486] ? trace_hardirqs_off_caller+0x310/0x310 [ 646.990595] ? trace_hardirqs_on+0x310/0x310 [ 646.995009] ? lock_downgrade+0x900/0x900 [ 646.999176] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 647.004287] ? ___ratelimit+0x3b9/0x672 [ 647.008265] ? idr_get_free+0xf70/0xf70 [ 647.012247] ? find_held_lock+0x36/0x1c0 [ 647.016321] oom_kill_process.cold.27+0x10/0x903 [ 647.021081] ? zap_class+0x640/0x640 [ 647.024802] ? check_preemption_disabled+0x48/0x280 [ 647.029829] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 647.034760] ? kasan_check_read+0x11/0x20 [ 647.038915] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 647.044202] ? oom_evaluate_task+0x540/0x540 [ 647.048618] ? find_held_lock+0x36/0x1c0 [ 647.052696] ? out_of_memory+0x974/0x1430 [ 647.056849] ? lock_downgrade+0x900/0x900 [ 647.061000] ? check_preemption_disabled+0x48/0x280 [ 647.066025] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 647.070957] ? kasan_check_read+0x11/0x20 [ 647.075112] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 647.080395] ? rcu_softirq_qs+0x20/0x20 [ 647.084409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.089963] ? oom_evaluate_task+0x302/0x540 [ 647.094378] out_of_memory+0xa84/0x1430 [ 647.098370] ? oom_killer_disable+0x3a0/0x3a0 [ 647.102873] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 647.107810] ? __ww_mutex_check_waiters+0x160/0x160 [ 647.112848] __alloc_pages_slowpath+0x2354/0x2e10 [ 647.117730] ? warn_alloc+0x120/0x120 [ 647.121540] ? mark_held_locks+0x130/0x130 [ 647.125784] ? find_get_entry+0xaae/0x1120 [ 647.130034] ? filemap_map_pages+0x1a20/0x1a20 [ 647.134627] ? zap_class+0x640/0x640 [ 647.138353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.143904] ? check_preemption_disabled+0x48/0x280 [ 647.148927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.154474] ? should_fail+0x22d/0xd01 [ 647.158370] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 647.163490] ? zap_class+0x640/0x640 [ 647.167234] ? __lock_is_held+0xb5/0x140 [ 647.171307] ? mark_held_locks+0x130/0x130 [ 647.175549] ? lock_release+0xa00/0xa00 [ 647.179528] ? perf_trace_sched_process_exec+0x860/0x860 [ 647.184984] ? xa_load+0x2ba/0x460 [ 647.188531] ? lock_downgrade+0x900/0x900 [ 647.192686] ? __might_sleep+0x95/0x190 [ 647.196671] __alloc_pages_nodemask+0xa80/0xde0 [ 647.201354] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 647.206382] ? __page_cache_alloc+0x191/0x5c0 [ 647.210887] ? xa_load+0x2e1/0x460 [ 647.214436] ? xa_clear_mark+0x40/0x40 [ 647.218329] ? zap_class+0x640/0x640 [ 647.222060] ? zap_class+0x640/0x640 [ 647.225775] ? zap_class+0x640/0x640 [ 647.229492] ? __do_page_cache_readahead+0x663/0x810 [ 647.234604] ? find_held_lock+0x36/0x1c0 [ 647.238675] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 647.244224] alloc_pages_current+0x173/0x350 [ 647.248647] __page_cache_alloc+0x38c/0x5c0 [ 647.252974] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 647.257906] ? kasan_check_read+0x11/0x20 [ 647.262060] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 647.267343] ? generic_perform_write+0x6a0/0x6a0 [ 647.272104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.277649] ? check_preemption_disabled+0x48/0x280 [ 647.282678] filemap_fault+0x1595/0x25f0 [ 647.286759] ? __lock_page_or_retry+0xa00/0xa00 [ 647.291442] ? mark_held_locks+0x130/0x130 [ 647.295688] ? filemap_map_pages+0xd6b/0x1a20 [ 647.300191] ? lock_downgrade+0x900/0x900 [ 647.304344] ? check_preemption_disabled+0x48/0x280 [ 647.309368] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 647.314299] ? kasan_check_read+0x11/0x20 [ 647.318451] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 647.323731] ? rcu_softirq_qs+0x20/0x20 [ 647.327728] ? filemap_map_pages+0xd92/0x1a20 [ 647.332239] ? find_get_entries_tag+0x1400/0x1400 [ 647.337089] ? debug_object_destroy+0x2b0/0x2b0 [ 647.341765] ? lock_pi_update_atomic+0x150/0x150 [ 647.346531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.352087] ? lock_acquire+0x1ed/0x520 [ 647.356062] ? ext4_filemap_fault+0x7a/0xad [ 647.360396] ? lock_release+0xa00/0xa00 [ 647.364381] ? perf_trace_sched_process_exec+0x860/0x860 [ 647.369845] ? print_usage_bug+0xc0/0xc0 [ 647.373919] ? print_usage_bug+0xc0/0xc0 [ 647.377997] ? down_read+0x8d/0x120 [ 647.381625] ? ext4_filemap_fault+0x7a/0xad [ 647.385953] ? __down_interruptible+0x700/0x700 [ 647.390636] ext4_filemap_fault+0x82/0xad [ 647.394790] __do_fault+0x100/0x6b0 [ 647.398427] ? find_held_lock+0x36/0x1c0 [ 647.402522] ? pmd_devmap_trans_unstable+0x220/0x220 [ 647.407636] ? mark_held_locks+0x130/0x130 [ 647.411871] ? mark_held_locks+0x130/0x130 [ 647.416114] ? debug_smp_processor_id+0x1c/0x20 [ 647.420788] ? perf_trace_lock+0x14d/0x7a0 [ 647.425027] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 647.429618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.435173] __handle_mm_fault+0x3ea0/0x5be0 [ 647.439594] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 647.444445] ? lock_is_held_type+0x210/0x210 [ 647.448861] ? preempt_notifier_register+0x200/0x200 [ 647.453964] ? __switch_to_asm+0x34/0x70 [ 647.458028] ? __switch_to_asm+0x34/0x70 [ 647.462111] ? zap_class+0x640/0x640 [ 647.465831] ? zap_class+0x640/0x640 [ 647.469545] ? __x64_sys_futex+0x53e/0x6a0 [ 647.473792] ? find_held_lock+0x36/0x1c0 [ 647.477868] ? handle_mm_fault+0x42a/0xc70 [ 647.482110] ? lock_downgrade+0x900/0x900 [ 647.486259] ? check_preemption_disabled+0x48/0x280 [ 647.491283] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 647.496221] ? kasan_check_read+0x11/0x20 [ 647.500373] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 647.505664] ? rcu_softirq_qs+0x20/0x20 [ 647.509639] ? trace_hardirqs_off_caller+0x310/0x310 [ 647.514748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.520293] ? check_preemption_disabled+0x48/0x280 [ 647.525327] handle_mm_fault+0x54f/0xc70 [ 647.529396] ? __handle_mm_fault+0x5be0/0x5be0 [ 647.533997] ? find_vma+0x34/0x190 [ 647.537548] __do_page_fault+0x5e8/0xe60 [ 647.541615] ? trace_hardirqs_off+0xb8/0x310 [ 647.546038] do_page_fault+0xf2/0x7e0 [ 647.549845] ? vmalloc_sync_all+0x30/0x30 [ 647.553996] ? error_entry+0x70/0xd0 [ 647.557713] ? trace_hardirqs_off_caller+0xbb/0x310 [ 647.562735] ? trace_hardirqs_on_caller+0xc0/0x310 [ 647.567673] ? syscall_return_slowpath+0x5e0/0x5e0 [ 647.573037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 647.577895] ? trace_hardirqs_on_caller+0x310/0x310 [ 647.582937] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 647.588412] ? prepare_exit_to_usermode+0x291/0x3b0 [ 647.593447] ? page_fault+0x8/0x30 [ 647.596993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 647.601841] ? page_fault+0x8/0x30 [ 647.605382] page_fault+0x1e/0x30 [ 647.608844] RIP: 0033:0x40f9c0 [ 647.612058] Code: Bad RIP value. [ 647.615426] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 647.620788] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 647.628055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 647.635327] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 647.642601] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 647.649872] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 647.657178] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 647.657267] aoe: skb alloc failure [ 647.664459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 647.664468] Call Trace: [ 647.668102] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 647.677341] [ 647.679911] syz-fuzzer cpuset=/ mems_allowed=0 [ 647.690137] dump_stack+0x244/0x39d [ 647.700453] ? dump_stack_print_info.cold.1+0x20/0x20 [ 647.705659] warn_alloc.cold.116+0xb7/0x1bd [ 647.709994] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 647.714847] ? lock_downgrade+0x900/0x900 [ 647.719004] ? trace_hardirqs_off+0xb8/0x310 [ 647.723427] ? trace_hardirqs_off+0xb8/0x310 [ 647.727847] __alloc_pages_slowpath+0x26e8/0x2e10 [ 647.732730] ? warn_alloc+0x120/0x120 [ 647.736537] ? print_usage_bug+0xc0/0xc0 [ 647.740600] ? warn_alloc+0x120/0x120 [ 647.744419] ? warn_alloc+0x120/0x120 [ 647.748228] ? print_usage_bug+0xc0/0xc0 [ 647.752298] ? print_usage_bug+0xc0/0xc0 [ 647.756363] ? __lock_acquire+0x62f/0x4c20 [ 647.760608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 647.766178] ? should_fail+0x22d/0xd01 [ 647.770077] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 647.775186] ? __lock_acquire+0x62f/0x4c20 [ 647.779434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 647.784539] ? __lock_acquire+0x62f/0x4c20 [ 647.788772] ? should_fail+0x22d/0xd01 [ 647.792659] ? find_held_lock+0x36/0x1c0 [ 647.796739] ? mark_held_locks+0x130/0x130 [ 647.800984] ? mark_held_locks+0x130/0x130 [ 647.805218] ? zap_class+0x640/0x640 [ 647.808936] ? zap_class+0x640/0x640 [ 647.812655] ? print_usage_bug+0xc0/0xc0 [ 647.816723] ? do_raw_spin_unlock+0xa7/0x330 [ 647.821134] ? zap_class+0x640/0x640 [ 647.824850] ? print_usage_bug+0xc0/0xc0 [ 647.828912] ? wq_watchdog_touch+0x9c/0xfe [ 647.833153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.838702] ? check_preemption_disabled+0x48/0x280 [ 647.843734] ? __lock_is_held+0xb5/0x140 [ 647.847803] __alloc_pages_nodemask+0xa80/0xde0 [ 647.852473] ? zap_class+0x640/0x640 [ 647.856191] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 647.861221] ? find_held_lock+0x36/0x1c0 [ 647.865292] ? ____cache_alloc_node+0x1c7/0x1e0 [ 647.869962] ? lock_downgrade+0x900/0x900 [ 647.874124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.879678] cache_grow_begin+0xa5/0x8c0 [ 647.883744] ? do_raw_spin_unlock+0xa7/0x330 [ 647.888164] fallback_alloc+0x204/0x2e0 [ 647.892147] ____cache_alloc_node+0x1c7/0x1e0 [ 647.896652] kmem_cache_alloc_node+0xe3/0x730 [ 647.901164] ? ipv6_get_ifaddr+0x42e/0x620 [ 647.905419] __alloc_skb+0x119/0x770 [ 647.909133] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 647.914426] ? netdev_alloc_frag+0x1f0/0x1f0 [ 647.918840] ? lock_downgrade+0x900/0x900 [ 647.923000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 647.928540] ? refcount_sub_and_test_checked+0x203/0x310 [ 647.933995] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 647.939453] ? addrconf_rs_timer+0x690/0x690 [ 647.943882] ndisc_alloc_skb+0x144/0x340 [ 647.947960] ndisc_send_rs+0x331/0x6e0 [ 647.951862] addrconf_rs_timer+0x314/0x690 [ 647.956122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 647.960373] call_timer_fn+0x272/0x920 [ 647.964272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 647.968510] ? process_timeout+0x40/0x40 [ 647.972584] ? __run_timers+0x7da/0xc70 [ 647.976811] ? _raw_spin_unlock_irq+0x27/0x80 [ 647.981304] ? _raw_spin_unlock_irq+0x27/0x80 [ 647.985799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 647.990039] ? lockdep_hardirqs_on+0x296/0x5b0 [ 647.994626] ? trace_hardirqs_on+0xbd/0x310 [ 647.998949] ? kasan_check_read+0x11/0x20 [ 648.003096] ? __run_timers+0x7da/0xc70 [ 648.007076] ? trace_hardirqs_off_caller+0x310/0x310 [ 648.012188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.016436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 648.020677] __run_timers+0x7e5/0xc70 [ 648.024490] ? timer_fixup_init+0x70/0x70 [ 648.028647] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 648.033678] ? zap_class+0x640/0x640 [ 648.037400] ? enqueue_hrtimer+0x1a5/0x560 [ 648.041648] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 648.046855] ? find_held_lock+0x36/0x1c0 [ 648.050927] ? zap_class+0x640/0x640 [ 648.054648] ? pvclock_read_flags+0x160/0x160 [ 648.059156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.064700] ? check_preemption_disabled+0x48/0x280 [ 648.069727] ? __lock_is_held+0xb5/0x140 [ 648.073792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.079337] ? check_preemption_disabled+0x48/0x280 [ 648.084361] run_timer_softirq+0x52/0xb0 [ 648.088438] ? rcu_read_lock_sched_held+0x14f/0x180 [ 648.093461] __do_softirq+0x308/0xb7e [ 648.097267] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 648.101769] ? lock_downgrade+0x900/0x900 [ 648.106053] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 648.111157] ? pvclock_read_flags+0x160/0x160 [ 648.115658] ? lapic_next_event+0x5a/0x90 [ 648.119816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.125360] ? kvm_clock_read+0x18/0x30 [ 648.129340] ? kvm_sched_clock_read+0x9/0x20 [ 648.133754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.139298] ? check_preemption_disabled+0x48/0x280 [ 648.144339] irq_exit+0x17f/0x1c0 [ 648.147800] smp_apic_timer_interrupt+0x1cb/0x760 [ 648.152648] ? smp_reschedule_interrupt+0x109/0x650 [ 648.157681] ? smp_call_function_single_interrupt+0x650/0x650 [ 648.163571] ? interrupt_entry+0xb5/0xc0 [ 648.167639] ? trace_hardirqs_off_caller+0xbb/0x310 [ 648.172658] ? trace_hardirqs_off_caller+0xbb/0x310 [ 648.177689] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 648.182537] ? trace_hardirqs_on_caller+0x310/0x310 [ 648.187552] ? trace_hardirqs_on_caller+0x310/0x310 [ 648.192569] ? task_prio+0x50/0x50 [ 648.196113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.201656] ? check_preemption_disabled+0x48/0x280 [ 648.206692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 648.211546] apic_timer_interrupt+0xf/0x20 [ 648.215778] [ 648.218020] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 648.222951] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 648.241881] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 648.249590] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 648.256858] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 648.264126] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 648.271399] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 648.278707] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 648.286025] skb_clone+0x1bb/0x500 [ 648.289570] ? finish_task_switch+0x1b4/0x910 [ 648.294066] ? skb_split+0x11e0/0x11e0 [ 648.297956] ? preempt_notifier_register+0x200/0x200 [ 648.303061] ? __switch_to_asm+0x34/0x70 [ 648.307123] ? __switch_to_asm+0x34/0x70 [ 648.311195] ? __switch_to_asm+0x40/0x70 [ 648.315256] ? __switch_to_asm+0x34/0x70 [ 648.319313] ? __switch_to_asm+0x40/0x70 [ 648.323372] ? __switch_to_asm+0x34/0x70 [ 648.327440] ? __switch_to_asm+0x40/0x70 [ 648.331502] ? __switch_to_asm+0x34/0x70 [ 648.335569] ? __switch_to_asm+0x34/0x70 [ 648.339629] ? __switch_to_asm+0x40/0x70 [ 648.343692] ? __switch_to_asm+0x34/0x70 [ 648.347766] bpf_clone_redirect+0xb9/0x490 [ 648.352005] ? __schedule+0x8d7/0x21d0 [ 648.355900] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 648.360925] ? __sched_text_start+0x8/0x8 [ 648.365079] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 648.369670] ? retint_kernel+0x2d/0x2d [ 648.374058] ? trace_hardirqs_on_caller+0xc0/0x310 [ 648.378997] ? find_held_lock+0x36/0x1c0 [ 648.383067] ? lock_acquire+0x1ed/0x520 [ 648.387042] ? bpf_test_run+0x3cb/0x780 [ 648.391017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.396557] ? check_preemption_disabled+0x48/0x280 [ 648.401585] ? kasan_check_read+0x11/0x20 [ 648.405738] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 648.411017] ? rcu_softirq_qs+0x20/0x20 [ 648.414995] ? preempt_schedule+0x4d/0x60 [ 648.419147] ? ___preempt_schedule+0x16/0x18 [ 648.423567] ? bpf_test_run+0x25d/0x780 [ 648.427559] ? netlink_diag_dump+0x2a0/0x2a0 [ 648.431977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 648.437519] ? bpf_test_init.isra.10+0x70/0x100 [ 648.442195] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 648.446970] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 648.451813] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 648.457355] ? fput+0x130/0x1a0 [ 648.460639] ? __bpf_prog_get+0x9b/0x290 [ 648.464714] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 648.469557] ? bpf_prog_test_run+0x130/0x1a0 [ 648.473973] ? __x64_sys_bpf+0x3d8/0x520 [ 648.478033] ? bpf_prog_get+0x20/0x20 [ 648.481861] ? do_syscall_64+0x1b9/0x820 [ 648.485940] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 648.491318] ? syscall_return_slowpath+0x5e0/0x5e0 [ 648.496249] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 648.501098] ? trace_hardirqs_on_caller+0x310/0x310 [ 648.506119] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 648.511139] ? prepare_exit_to_usermode+0x291/0x3b0 [ 648.516166] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 648.521031] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 648.526430] warn_alloc_show_mem: 1 callbacks suppressed [ 648.526443] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 648.526445] Mem-Info: [ 648.526477] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 648.526477] active_file:14 inactive_file:14 isolated_file:0 [ 648.526477] unevictable:0 dirty:0 writeback:0 unstable:0 [ 648.526477] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 648.526477] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 648.526477] free:13772 free_pcp:380 free_cma:0 [ 648.531815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 648.538836] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 648.541239] Call Trace: [ 648.574373] 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 [ 648.583728] [ 648.611561] lowmem_reserve[]: 0 2818 6321 6321 [ 648.614171] dump_stack+0x244/0x39d [ 648.640269] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 648.642437] ? dump_stack_print_info.cold.1+0x20/0x20 [ 648.646980] lowmem_reserve[]: 0 0 3503 3503 [ 648.650615] warn_alloc.cold.116+0xb7/0x1bd [ 648.678088] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 648.683280] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 648.687569] lowmem_reserve[]: 0 0 0 0 [ 648.691906] ? lock_downgrade+0x900/0x900 [ 648.721037] 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 [ 648.725887] ? trace_hardirqs_off+0xb8/0x310 [ 648.729656] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 648.733805] ? trace_hardirqs_off+0xb8/0x310 [ 648.747309] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 648.751731] __alloc_pages_slowpath+0x26e8/0x2e10 [ 648.766974] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 648.771414] ? warn_alloc+0x120/0x120 [ 648.785749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 648.785760] 12557 total pagecache pages [ 648.790609] ? warn_alloc+0x120/0x120 [ 648.799429] 0 pages in swap cache [ 648.803228] ? warn_alloc+0x120/0x120 [ 648.811776] Swap cache stats: add 0, delete 0, find 0/0 [ 648.815746] ? print_usage_bug+0xc0/0xc0 [ 648.819515] Free swap = 0kB [ 648.822967] ? print_usage_bug+0xc0/0xc0 [ 648.826734] Total swap = 0kB [ 648.826742] 1965979 pages RAM [ 648.832104] ? ktime_get+0x2c1/0x400 [ 648.836131] 0 pages HighMem/MovableOnly [ 648.836140] 342853 pages reserved [ 648.839156] ? check_preemption_disabled+0x48/0x280 [ 648.843186] 0 pages cma reserved [ 648.846201] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 648.849344] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 648.852987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 648.857071] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 648.860380] ? should_fail+0x22d/0xd01 [ 648.860400] ? kasan_check_read+0x11/0x20 [ 648.865554] syz-executor1 cpuset=syz1 mems_allowed=0 [ 648.868919] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 648.868938] ? __lock_acquire+0x62f/0x4c20 [ 648.918392] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 648.923515] ? should_fail+0x22d/0xd01 [ 648.927417] ? print_usage_bug+0xc0/0xc0 [ 648.931497] ? mark_held_locks+0x130/0x130 [ 648.935736] ? mark_held_locks+0x130/0x130 [ 648.939973] ? check_preemption_disabled+0x48/0x280 [ 648.945007] ? zap_class+0x640/0x640 [ 648.948728] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 648.953491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.959034] ? check_preemption_disabled+0x48/0x280 [ 648.964064] ? __lock_is_held+0xb5/0x140 [ 648.968138] __alloc_pages_nodemask+0xa80/0xde0 [ 648.972821] ? zap_class+0x640/0x640 [ 648.976725] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 648.981756] ? find_held_lock+0x36/0x1c0 [ 648.985830] ? ____cache_alloc_node+0x1c7/0x1e0 [ 648.990504] ? lock_downgrade+0x900/0x900 [ 648.994665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.000210] cache_grow_begin+0xa5/0x8c0 [ 649.004290] ? do_raw_spin_unlock+0xa7/0x330 [ 649.008715] fallback_alloc+0x204/0x2e0 [ 649.012702] ____cache_alloc_node+0x1c7/0x1e0 [ 649.017212] kmem_cache_alloc_node+0xe3/0x730 [ 649.021715] ? lockdep_hardirqs_on+0x296/0x5b0 [ 649.026313] __alloc_skb+0x119/0x770 [ 649.030029] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 649.035402] ? netdev_alloc_frag+0x1f0/0x1f0 [ 649.039828] ? vprintk_default+0x28/0x30 [ 649.043894] ? vprintk_func+0x85/0x181 [ 649.047792] ? printk+0xa7/0xcf [ 649.051090] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 649.055865] new_skb+0x26/0x1c0 [ 649.059153] aoecmd_cfg+0x279/0x7f0 [ 649.062794] ? find_held_lock+0x36/0x1c0 [ 649.066864] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 649.071204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.076757] ? __lock_is_held+0xb5/0x140 [ 649.080836] discover_timer+0x50/0x60 [ 649.084641] call_timer_fn+0x272/0x920 [ 649.088533] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 649.093381] ? process_timeout+0x40/0x40 [ 649.097465] ? mark_held_locks+0xc7/0x130 [ 649.101622] ? _raw_spin_unlock_irq+0x27/0x80 [ 649.106119] ? _raw_spin_unlock_irq+0x27/0x80 [ 649.110616] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 649.115466] ? lockdep_hardirqs_on+0x296/0x5b0 [ 649.120056] ? trace_hardirqs_on+0xbd/0x310 [ 649.124381] ? kasan_check_read+0x11/0x20 [ 649.128544] ? __run_timers+0x7da/0xc70 [ 649.132526] ? trace_hardirqs_off_caller+0x310/0x310 [ 649.137645] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 649.142488] __run_timers+0x7e5/0xc70 [ 649.146303] ? timer_fixup_init+0x70/0x70 [ 649.150457] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 649.155481] ? zap_class+0x640/0x640 [ 649.159206] ? print_usage_bug+0xc0/0xc0 [ 649.163277] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 649.168481] ? find_held_lock+0x36/0x1c0 [ 649.172549] ? zap_class+0x640/0x640 [ 649.176275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.181818] ? check_preemption_disabled+0x48/0x280 [ 649.186847] ? __lock_is_held+0xb5/0x140 [ 649.190916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.196457] ? check_preemption_disabled+0x48/0x280 [ 649.201486] run_timer_softirq+0x52/0xb0 [ 649.205552] ? rcu_read_lock_sched_held+0x14f/0x180 [ 649.210576] __do_softirq+0x308/0xb7e [ 649.214385] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 649.218894] ? lock_downgrade+0x900/0x900 [ 649.223052] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 649.228170] ? pvclock_read_flags+0x160/0x160 [ 649.232669] ? lapic_next_event+0x5a/0x90 [ 649.236823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.242368] ? kvm_clock_read+0x18/0x30 [ 649.246347] ? kvm_sched_clock_read+0x9/0x20 [ 649.250763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.256308] ? check_preemption_disabled+0x48/0x280 [ 649.261337] irq_exit+0x17f/0x1c0 [ 649.264798] smp_apic_timer_interrupt+0x1cb/0x760 [ 649.269646] ? smp_reschedule_interrupt+0x109/0x650 [ 649.274668] ? smp_call_function_single_interrupt+0x650/0x650 [ 649.280555] ? interrupt_entry+0xb5/0xc0 [ 649.284621] ? trace_hardirqs_off_caller+0xbb/0x310 [ 649.289640] ? trace_hardirqs_off_caller+0xbb/0x310 [ 649.294661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.299512] ? trace_hardirqs_on_caller+0x310/0x310 [ 649.304528] ? trace_hardirqs_on_caller+0x310/0x310 [ 649.309551] ? task_prio+0x50/0x50 [ 649.313881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.319431] ? check_preemption_disabled+0x48/0x280 [ 649.324459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.329313] apic_timer_interrupt+0xf/0x20 [ 649.333542] [ 649.335787] RIP: 0010:dump_stack+0x20e/0x39d [ 649.340200] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 649.359112] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 649.366827] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 649.374130] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 649.381403] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 649.388694] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 649.395971] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 649.403275] ? dump_stack+0x205/0x39d [ 649.407097] ? dump_stack_print_info.cold.1+0x20/0x20 [ 649.412295] ? mark_held_locks+0x130/0x130 [ 649.416536] ? mark_held_locks+0x130/0x130 [ 649.420788] dump_header+0x27b/0xf72 [ 649.424523] ? pagefault_out_of_memory+0x197/0x197 [ 649.429464] ? __lock_acquire+0x62f/0x4c20 [ 649.433703] ? percpu_ref_get_many+0x240/0x240 [ 649.438294] ? print_usage_bug+0xc0/0xc0 [ 649.442370] ? zap_class+0x640/0x640 [ 649.446111] ? print_usage_bug+0xc0/0xc0 [ 649.450176] ? print_usage_bug+0xc0/0xc0 [ 649.454241] ? zap_class+0x640/0x640 [ 649.457961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.463510] ? find_held_lock+0x36/0x1c0 [ 649.467588] ? mark_held_locks+0xc7/0x130 [ 649.471743] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 649.476846] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 649.481956] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 649.486547] ? trace_hardirqs_on+0xbd/0x310 [ 649.490874] ? kasan_check_read+0x11/0x20 [ 649.495023] ? ___ratelimit+0x3b4/0x672 [ 649.499006] ? trace_hardirqs_off_caller+0x310/0x310 [ 649.504116] ? trace_hardirqs_on+0x310/0x310 [ 649.508531] ? lock_downgrade+0x900/0x900 [ 649.512686] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 649.517792] ? ___ratelimit+0x3b9/0x672 [ 649.521773] ? idr_get_free+0xf70/0xf70 [ 649.525752] ? find_held_lock+0x36/0x1c0 [ 649.529828] oom_kill_process.cold.27+0x10/0x903 [ 649.534594] ? zap_class+0x640/0x640 [ 649.538312] ? check_preemption_disabled+0x48/0x280 [ 649.543334] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 649.548268] ? kasan_check_read+0x11/0x20 [ 649.552441] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 649.557725] ? oom_evaluate_task+0x540/0x540 [ 649.562140] ? find_held_lock+0x36/0x1c0 [ 649.566216] ? out_of_memory+0x974/0x1430 [ 649.570369] ? lock_downgrade+0x900/0x900 [ 649.574524] ? check_preemption_disabled+0x48/0x280 [ 649.579547] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 649.584477] ? kasan_check_read+0x11/0x20 [ 649.588631] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 649.593908] ? rcu_softirq_qs+0x20/0x20 [ 649.597897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.603445] ? oom_evaluate_task+0x302/0x540 [ 649.607862] out_of_memory+0xa84/0x1430 [ 649.611852] ? oom_killer_disable+0x3a0/0x3a0 [ 649.616353] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 649.621286] ? __ww_mutex_check_waiters+0x160/0x160 [ 649.626315] __alloc_pages_slowpath+0x2354/0x2e10 [ 649.631195] ? warn_alloc+0x120/0x120 [ 649.635001] ? mark_held_locks+0x130/0x130 [ 649.639243] ? find_get_entry+0xaae/0x1120 [ 649.643487] ? filemap_map_pages+0x1a20/0x1a20 [ 649.648075] ? zap_class+0x640/0x640 [ 649.651797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.657337] ? check_preemption_disabled+0x48/0x280 [ 649.662356] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.667901] ? should_fail+0x22d/0xd01 [ 649.671794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 649.676901] ? zap_class+0x640/0x640 [ 649.680671] ? __lock_is_held+0xb5/0x140 [ 649.684748] ? mark_held_locks+0x130/0x130 [ 649.688986] ? lock_release+0xa00/0xa00 [ 649.692964] ? perf_trace_sched_process_exec+0x860/0x860 [ 649.698428] ? xa_load+0x2ba/0x460 [ 649.701975] ? lock_downgrade+0x900/0x900 [ 649.706134] ? __might_sleep+0x95/0x190 [ 649.710122] __alloc_pages_nodemask+0xa80/0xde0 [ 649.714806] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 649.719826] ? __page_cache_alloc+0x191/0x5c0 [ 649.724322] ? xa_load+0x2e1/0x460 [ 649.727867] ? xa_clear_mark+0x40/0x40 [ 649.731758] ? zap_class+0x640/0x640 [ 649.735480] ? zap_class+0x640/0x640 [ 649.739196] ? zap_class+0x640/0x640 [ 649.742910] ? __do_page_cache_readahead+0x663/0x810 [ 649.748021] ? find_held_lock+0x36/0x1c0 [ 649.752090] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 649.757635] alloc_pages_current+0x173/0x350 [ 649.762053] __page_cache_alloc+0x38c/0x5c0 [ 649.766374] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 649.771315] ? kasan_check_read+0x11/0x20 [ 649.775463] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 649.780744] ? generic_perform_write+0x6a0/0x6a0 [ 649.785506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.791046] ? check_preemption_disabled+0x48/0x280 [ 649.796076] filemap_fault+0x1595/0x25f0 [ 649.800155] ? __lock_page_or_retry+0xa00/0xa00 [ 649.804841] ? mark_held_locks+0x130/0x130 [ 649.809089] ? filemap_map_pages+0xd6b/0x1a20 [ 649.813590] ? lock_downgrade+0x900/0x900 [ 649.817741] ? check_preemption_disabled+0x48/0x280 [ 649.822765] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 649.827697] ? kasan_check_read+0x11/0x20 [ 649.831849] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 649.837127] ? rcu_softirq_qs+0x20/0x20 [ 649.841120] ? filemap_map_pages+0xd92/0x1a20 [ 649.845635] ? find_get_entries_tag+0x1400/0x1400 [ 649.850483] ? debug_object_destroy+0x2b0/0x2b0 [ 649.855158] ? lock_pi_update_atomic+0x150/0x150 [ 649.859923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.865476] ? lock_acquire+0x1ed/0x520 [ 649.869455] ? ext4_filemap_fault+0x7a/0xad [ 649.873783] ? lock_release+0xa00/0xa00 [ 649.877760] ? perf_trace_sched_process_exec+0x860/0x860 [ 649.883215] ? print_usage_bug+0xc0/0xc0 [ 649.887278] ? print_usage_bug+0xc0/0xc0 [ 649.891351] ? down_read+0x8d/0x120 [ 649.894976] ? ext4_filemap_fault+0x7a/0xad [ 649.899306] ? __down_interruptible+0x700/0x700 [ 649.903995] ext4_filemap_fault+0x82/0xad [ 649.908148] __do_fault+0x100/0x6b0 [ 649.911781] ? find_held_lock+0x36/0x1c0 [ 649.915859] ? pmd_devmap_trans_unstable+0x220/0x220 [ 649.920968] ? mark_held_locks+0x130/0x130 [ 649.925210] ? mark_held_locks+0x130/0x130 [ 649.929451] ? debug_smp_processor_id+0x1c/0x20 [ 649.934122] ? perf_trace_lock+0x14d/0x7a0 [ 649.938357] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 649.942949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.948518] __handle_mm_fault+0x3ea0/0x5be0 [ 649.952940] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 649.957791] ? lock_is_held_type+0x210/0x210 [ 649.962207] ? preempt_notifier_register+0x200/0x200 [ 649.967312] ? __switch_to_asm+0x34/0x70 [ 649.971372] ? __switch_to_asm+0x34/0x70 [ 649.975459] ? zap_class+0x640/0x640 [ 649.979183] ? zap_class+0x640/0x640 [ 649.982901] ? __x64_sys_futex+0x53e/0x6a0 [ 649.987148] ? find_held_lock+0x36/0x1c0 [ 649.991231] ? handle_mm_fault+0x42a/0xc70 [ 649.995472] ? lock_downgrade+0x900/0x900 [ 649.999623] ? check_preemption_disabled+0x48/0x280 [ 650.004650] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 650.009580] ? kasan_check_read+0x11/0x20 [ 650.013734] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 650.019010] ? rcu_softirq_qs+0x20/0x20 [ 650.022986] ? trace_hardirqs_off_caller+0x310/0x310 [ 650.028091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 650.033638] ? check_preemption_disabled+0x48/0x280 [ 650.038667] handle_mm_fault+0x54f/0xc70 [ 650.042739] ? __handle_mm_fault+0x5be0/0x5be0 [ 650.047329] ? find_vma+0x34/0x190 [ 650.050882] __do_page_fault+0x5e8/0xe60 [ 650.054948] ? trace_hardirqs_off+0xb8/0x310 [ 650.059369] do_page_fault+0xf2/0x7e0 [ 650.063177] ? vmalloc_sync_all+0x30/0x30 [ 650.067332] ? error_entry+0x70/0xd0 [ 650.071051] ? trace_hardirqs_off_caller+0xbb/0x310 [ 650.076066] ? trace_hardirqs_on_caller+0xc0/0x310 [ 650.080997] ? syscall_return_slowpath+0x5e0/0x5e0 [ 650.085930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 650.090791] ? trace_hardirqs_on_caller+0x310/0x310 [ 650.095821] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 650.101297] ? prepare_exit_to_usermode+0x291/0x3b0 [ 650.106850] ? page_fault+0x8/0x30 [ 650.110399] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 650.115263] ? page_fault+0x8/0x30 [ 650.118806] page_fault+0x1e/0x30 [ 650.122256] RIP: 0033:0x40f9c0 [ 650.125460] Code: Bad RIP value. [ 650.128822] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 650.134187] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 650.141459] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 650.148728] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 650.155997] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 650.163270] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 650.170570] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 650.170634] aoe: skb alloc failure [ 650.177873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 650.177889] Call Trace: [ 650.177897] [ 650.177930] dump_stack+0x244/0x39d [ 650.177957] ? dump_stack_print_info.cold.1+0x20/0x20 [ 650.177983] warn_alloc.cold.116+0xb7/0x1bd [ 650.181527] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 650.190852] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 650.193423] syz-fuzzer cpuset=/ mems_allowed=0 [ 650.195571] ? lock_downgrade+0x900/0x900 [ 650.232437] ? trace_hardirqs_off+0xb8/0x310 [ 650.236861] ? trace_hardirqs_off+0xb8/0x310 [ 650.241280] __alloc_pages_slowpath+0x26e8/0x2e10 [ 650.246160] ? warn_alloc+0x120/0x120 [ 650.249973] ? warn_alloc+0x120/0x120 [ 650.253780] ? zap_class+0x640/0x640 [ 650.257502] ? warn_alloc+0x120/0x120 [ 650.261308] ? print_usage_bug+0xc0/0xc0 [ 650.265377] ? idle_cpu+0x1d0/0x1d0 [ 650.269019] ? kvm_sched_clock_read+0x9/0x20 [ 650.273445] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 650.278476] ? print_usage_bug+0xc0/0xc0 [ 650.282545] ? __lock_is_held+0xb5/0x140 [ 650.286614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 650.292153] ? should_fail+0x22d/0xd01 [ 650.296050] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 650.301161] ? __lock_acquire+0x62f/0x4c20 [ 650.305413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 650.310523] ? __lock_acquire+0x62f/0x4c20 [ 650.314761] ? should_fail+0x22d/0xd01 [ 650.318659] ? mark_held_locks+0x130/0x130 [ 650.322912] ? mark_held_locks+0x130/0x130 [ 650.327159] ? __lock_acquire+0x62f/0x4c20 [ 650.331410] ? zap_class+0x640/0x640 [ 650.335132] ? enqueue_entity+0x34b/0x20a0 [ 650.339381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.344937] ? check_preemption_disabled+0x48/0x280 [ 650.349970] ? __lock_is_held+0xb5/0x140 [ 650.354042] __alloc_pages_nodemask+0xa80/0xde0 [ 650.358713] ? zap_class+0x640/0x640 [ 650.362442] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 650.367473] ? find_held_lock+0x36/0x1c0 [ 650.371551] ? ____cache_alloc_node+0x1c7/0x1e0 [ 650.376224] ? lock_downgrade+0x900/0x900 [ 650.380383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.385939] cache_grow_begin+0xa5/0x8c0 [ 650.390002] ? do_raw_spin_unlock+0xa7/0x330 [ 650.394428] fallback_alloc+0x204/0x2e0 [ 650.398425] ____cache_alloc_node+0x1c7/0x1e0 [ 650.402931] kmem_cache_alloc_node+0xe3/0x730 [ 650.407433] ? do_raw_spin_unlock+0xa7/0x330 [ 650.411845] ? do_raw_spin_trylock+0x270/0x270 [ 650.416445] __alloc_skb+0x119/0x770 [ 650.420171] ? netdev_alloc_frag+0x1f0/0x1f0 [ 650.424585] ? atomic_notifier_call_chain+0xc6/0x190 [ 650.429703] ? lock_downgrade+0x900/0x900 [ 650.433860] ? check_preemption_disabled+0x48/0x280 [ 650.438886] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 650.443823] ? kasan_check_read+0x11/0x20 [ 650.447971] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 650.453249] ? rcu_softirq_qs+0x20/0x20 [ 650.457226] ? kasan_check_read+0x11/0x20 [ 650.461395] ? do_raw_write_trylock+0x270/0x270 [ 650.466088] __neigh_notify+0x8c/0x160 [ 650.469982] ? neigh_connected_output+0x780/0x780 [ 650.474831] neigh_timer_handler+0x6cb/0xdf0 [ 650.479243] ? check_preemption_disabled+0x48/0x280 [ 650.484269] ? neigh_periodic_work+0xc60/0xc60 [ 650.488862] ? __lock_is_held+0xb5/0x140 [ 650.492939] call_timer_fn+0x272/0x920 [ 650.496832] ? neigh_periodic_work+0xc60/0xc60 [ 650.501427] ? process_timeout+0x40/0x40 [ 650.505501] ? __run_timers+0x7da/0xc70 [ 650.509487] ? _raw_spin_unlock_irq+0x27/0x80 [ 650.513982] ? _raw_spin_unlock_irq+0x27/0x80 [ 650.518480] ? neigh_periodic_work+0xc60/0xc60 [ 650.523070] ? lockdep_hardirqs_on+0x296/0x5b0 [ 650.527655] ? trace_hardirqs_on+0xbd/0x310 [ 650.531981] ? kasan_check_read+0x11/0x20 [ 650.536133] ? __run_timers+0x7da/0xc70 [ 650.540120] ? trace_hardirqs_off_caller+0x310/0x310 [ 650.545240] ? neigh_periodic_work+0xc60/0xc60 [ 650.549838] __run_timers+0x7e5/0xc70 [ 650.553655] ? timer_fixup_init+0x70/0x70 [ 650.557812] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 650.562838] ? zap_class+0x640/0x640 [ 650.566560] ? enqueue_hrtimer+0x1a5/0x560 [ 650.570799] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 650.576005] ? find_held_lock+0x36/0x1c0 [ 650.580083] ? zap_class+0x640/0x640 [ 650.583803] ? pvclock_read_flags+0x160/0x160 [ 650.588304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.593851] ? check_preemption_disabled+0x48/0x280 [ 650.598882] ? __lock_is_held+0xb5/0x140 [ 650.602951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.608494] ? check_preemption_disabled+0x48/0x280 [ 650.613531] run_timer_softirq+0x52/0xb0 [ 650.617602] ? rcu_read_lock_sched_held+0x14f/0x180 [ 650.622631] __do_softirq+0x308/0xb7e [ 650.626442] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 650.630939] ? lock_downgrade+0x900/0x900 [ 650.635094] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 650.640209] ? pvclock_read_flags+0x160/0x160 [ 650.644710] ? lapic_next_event+0x5a/0x90 [ 650.648862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.654413] ? kvm_clock_read+0x18/0x30 [ 650.658392] ? kvm_sched_clock_read+0x9/0x20 [ 650.662816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.668357] ? check_preemption_disabled+0x48/0x280 [ 650.673389] irq_exit+0x17f/0x1c0 [ 650.676856] smp_apic_timer_interrupt+0x1cb/0x760 [ 650.681703] ? smp_reschedule_interrupt+0x109/0x650 [ 650.686725] ? smp_call_function_single_interrupt+0x650/0x650 [ 650.692614] ? interrupt_entry+0xb5/0xc0 [ 650.696684] ? trace_hardirqs_off_caller+0xbb/0x310 [ 650.701702] ? trace_hardirqs_off_caller+0xbb/0x310 [ 650.706722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 650.711570] ? trace_hardirqs_on_caller+0x310/0x310 [ 650.716591] ? trace_hardirqs_on_caller+0x310/0x310 [ 650.721610] ? task_prio+0x50/0x50 [ 650.725155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.730700] ? check_preemption_disabled+0x48/0x280 [ 650.735726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 650.740591] apic_timer_interrupt+0xf/0x20 [ 650.744819] [ 650.747058] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 650.751992] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 650.771337] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 650.779052] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 650.786319] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 650.793588] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 650.800855] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 650.808122] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 650.815448] skb_clone+0x1bb/0x500 [ 650.818996] ? finish_task_switch+0x1b4/0x910 [ 650.823496] ? skb_split+0x11e0/0x11e0 [ 650.827389] ? preempt_notifier_register+0x200/0x200 [ 650.832498] ? __switch_to_asm+0x34/0x70 [ 650.836559] ? __switch_to_asm+0x34/0x70 [ 650.840631] ? __switch_to_asm+0x40/0x70 [ 650.844699] ? __switch_to_asm+0x34/0x70 [ 650.848765] ? __switch_to_asm+0x40/0x70 [ 650.852824] ? __switch_to_asm+0x34/0x70 [ 650.856880] ? __switch_to_asm+0x40/0x70 [ 650.860938] ? __switch_to_asm+0x34/0x70 [ 650.865006] ? __switch_to_asm+0x34/0x70 [ 650.869069] ? __switch_to_asm+0x40/0x70 [ 650.873129] ? __switch_to_asm+0x34/0x70 [ 650.877202] bpf_clone_redirect+0xb9/0x490 [ 650.881446] ? __schedule+0x8d7/0x21d0 [ 650.885341] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 650.890361] ? __sched_text_start+0x8/0x8 [ 650.894517] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 650.899098] ? retint_kernel+0x2d/0x2d [ 650.902986] ? trace_hardirqs_on_caller+0xc0/0x310 [ 650.907921] ? find_held_lock+0x36/0x1c0 [ 650.911993] ? lock_acquire+0x1ed/0x520 [ 650.915969] ? bpf_test_run+0x3cb/0x780 [ 650.919948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 650.925488] ? check_preemption_disabled+0x48/0x280 [ 650.930518] ? kasan_check_read+0x11/0x20 [ 650.934678] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 650.939955] ? rcu_softirq_qs+0x20/0x20 [ 650.943939] ? preempt_schedule+0x4d/0x60 [ 650.948092] ? ___preempt_schedule+0x16/0x18 [ 650.952512] ? bpf_test_run+0x25d/0x780 [ 650.956502] ? netlink_diag_dump+0x2a0/0x2a0 [ 650.960918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 650.966463] ? bpf_test_init.isra.10+0x70/0x100 [ 650.971139] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 650.976148] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 650.981001] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 650.986543] ? fput+0x130/0x1a0 [ 650.989827] ? __bpf_prog_get+0x9b/0x290 [ 650.993897] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 650.998738] ? bpf_prog_test_run+0x130/0x1a0 [ 651.003151] ? __x64_sys_bpf+0x3d8/0x520 [ 651.007214] ? bpf_prog_get+0x20/0x20 [ 651.011041] ? do_syscall_64+0x1b9/0x820 [ 651.015101] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 651.020474] ? syscall_return_slowpath+0x5e0/0x5e0 [ 651.025415] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.030267] ? trace_hardirqs_on_caller+0x310/0x310 [ 651.035285] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 651.040304] ? prepare_exit_to_usermode+0x291/0x3b0 [ 651.045327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.050180] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 651.055586] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 651.055592] warn_alloc_show_mem: 1 callbacks suppressed [ 651.055599] Mem-Info: [ 651.062623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 651.067997] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 651.067997] active_file:14 inactive_file:14 isolated_file:0 [ 651.067997] unevictable:0 dirty:0 writeback:0 unstable:0 [ 651.067997] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 651.067997] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 651.067997] free:13772 free_pcp:380 free_cma:0 [ 651.070371] Call Trace: [ 651.079852] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 651.112986] [ 651.115562] 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 [ 651.143428] dump_stack+0x244/0x39d [ 651.145552] lowmem_reserve[]: 0 2818 6321 6321 [ 651.171675] ? dump_stack_print_info.cold.1+0x20/0x20 [ 651.175285] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 651.179877] warn_alloc.cold.116+0xb7/0x1bd [ 651.185027] lowmem_reserve[]: 0 0 3503 3503 [ 651.212537] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 651.216841] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 651.221163] ? lock_downgrade+0x900/0x900 [ 651.225980] lowmem_reserve[]: 0 0 0 0 [ 651.255140] ? trace_hardirqs_off+0xb8/0x310 [ 651.259265] 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 [ 651.263077] ? trace_hardirqs_off+0xb8/0x310 [ 651.267452] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 651.280991] __alloc_pages_slowpath+0x26e8/0x2e10 [ 651.285371] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 651.300660] ? warn_alloc+0x120/0x120 [ 651.305464] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 651.319854] ? warn_alloc+0x120/0x120 [ 651.323634] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 651.332465] ? __lock_acquire+0x62f/0x4c20 [ 651.336239] 12557 total pagecache pages [ 651.344824] ? warn_alloc+0x120/0x120 [ 651.349040] 0 pages in swap cache [ 651.353006] ? print_usage_bug+0xc0/0xc0 [ 651.356783] Swap cache stats: add 0, delete 0, find 0/0 [ 651.360230] ? print_usage_bug+0xc0/0xc0 [ 651.364260] Free swap = 0kB [ 651.369619] ? mark_held_locks+0x130/0x130 [ 651.373674] Total swap = 0kB [ 651.376697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 651.380904] 1965979 pages RAM [ 651.383923] ? should_fail+0x22d/0xd01 [ 651.389431] 0 pages HighMem/MovableOnly [ 651.389441] 342853 pages reserved [ 651.392551] ? zap_class+0x640/0x640 [ 651.396418] 0 pages cma reserved [ 651.396568] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 651.400404] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 651.403844] syz-executor1 cpuset=syz1 mems_allowed=0 [ 651.407568] ? __lock_acquire+0x62f/0x4c20 [ 651.435854] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 651.440980] ? should_fail+0x22d/0xd01 [ 651.444901] ? mark_held_locks+0x130/0x130 [ 651.449155] ? mark_held_locks+0x130/0x130 [ 651.453414] ? lock_downgrade+0x900/0x900 [ 651.457568] ? zap_class+0x640/0x640 [ 651.461290] ? zap_class+0x640/0x640 [ 651.465006] ? zap_class+0x640/0x640 [ 651.468721] ? do_raw_spin_unlock+0xa7/0x330 [ 651.473135] ? trace_hardirqs_on+0x310/0x310 [ 651.477551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.483092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.488638] ? check_preemption_disabled+0x48/0x280 [ 651.493671] ? __lock_is_held+0xb5/0x140 [ 651.497741] __alloc_pages_nodemask+0xa80/0xde0 [ 651.502422] ? zap_class+0x640/0x640 [ 651.506148] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 651.511190] ? find_held_lock+0x36/0x1c0 [ 651.515263] ? ____cache_alloc_node+0x1c7/0x1e0 [ 651.519935] ? lock_downgrade+0x900/0x900 [ 651.524093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.529641] cache_grow_begin+0xa5/0x8c0 [ 651.533708] ? do_raw_spin_unlock+0xa7/0x330 [ 651.538131] fallback_alloc+0x204/0x2e0 [ 651.542117] ____cache_alloc_node+0x1c7/0x1e0 [ 651.546625] kmem_cache_alloc_node+0xe3/0x730 [ 651.551125] ? lockdep_hardirqs_on+0x296/0x5b0 [ 651.555721] __alloc_skb+0x119/0x770 [ 651.559441] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 651.564815] ? netdev_alloc_frag+0x1f0/0x1f0 [ 651.569238] ? vprintk_default+0x28/0x30 [ 651.573302] ? vprintk_func+0x85/0x181 [ 651.577199] ? printk+0xa7/0xcf [ 651.580479] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 651.585250] new_skb+0x26/0x1c0 [ 651.588536] aoecmd_cfg+0x279/0x7f0 [ 651.592173] ? find_held_lock+0x36/0x1c0 [ 651.596243] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 651.600576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.606127] ? __lock_is_held+0xb5/0x140 [ 651.610206] discover_timer+0x50/0x60 [ 651.614008] call_timer_fn+0x272/0x920 [ 651.617900] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 651.622746] ? process_timeout+0x40/0x40 [ 651.626823] ? mark_held_locks+0xc7/0x130 [ 651.630979] ? _raw_spin_unlock_irq+0x27/0x80 [ 651.635478] ? _raw_spin_unlock_irq+0x27/0x80 [ 651.639978] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 651.644824] ? lockdep_hardirqs_on+0x296/0x5b0 [ 651.649419] ? trace_hardirqs_on+0xbd/0x310 [ 651.653747] ? kasan_check_read+0x11/0x20 [ 651.657895] ? __run_timers+0x7da/0xc70 [ 651.661876] ? trace_hardirqs_off_caller+0x310/0x310 [ 651.666995] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 651.671842] __run_timers+0x7e5/0xc70 [ 651.675657] ? timer_fixup_init+0x70/0x70 [ 651.679811] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 651.684837] ? zap_class+0x640/0x640 [ 651.688566] ? print_usage_bug+0xc0/0xc0 [ 651.692634] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 651.697837] ? find_held_lock+0x36/0x1c0 [ 651.701906] ? zap_class+0x640/0x640 [ 651.705633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.711181] ? check_preemption_disabled+0x48/0x280 [ 651.716216] ? __lock_is_held+0xb5/0x140 [ 651.720286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.725831] ? check_preemption_disabled+0x48/0x280 [ 651.730860] run_timer_softirq+0x52/0xb0 [ 651.734929] ? rcu_read_lock_sched_held+0x14f/0x180 [ 651.739952] __do_softirq+0x308/0xb7e [ 651.743765] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 651.748266] ? lock_downgrade+0x900/0x900 [ 651.752433] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 651.757552] ? pvclock_read_flags+0x160/0x160 [ 651.762058] ? lapic_next_event+0x5a/0x90 [ 651.766213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.771761] ? kvm_clock_read+0x18/0x30 [ 651.775744] ? kvm_sched_clock_read+0x9/0x20 [ 651.780173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 651.785719] ? check_preemption_disabled+0x48/0x280 [ 651.790748] irq_exit+0x17f/0x1c0 [ 651.794204] smp_apic_timer_interrupt+0x1cb/0x760 [ 651.799049] ? smp_reschedule_interrupt+0x109/0x650 [ 651.804066] ? smp_call_function_single_interrupt+0x650/0x650 [ 651.809952] ? interrupt_entry+0xb5/0xc0 [ 651.814020] ? trace_hardirqs_off_caller+0xbb/0x310 [ 651.819039] ? trace_hardirqs_off_caller+0xbb/0x310 [ 651.824056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.828903] ? trace_hardirqs_on_caller+0x310/0x310 [ 651.833920] ? trace_hardirqs_on_caller+0x310/0x310 [ 651.838955] ? task_prio+0x50/0x50 [ 651.842502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.848043] ? check_preemption_disabled+0x48/0x280 [ 651.853067] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 651.857921] apic_timer_interrupt+0xf/0x20 [ 651.862149] [ 651.864393] RIP: 0010:dump_stack+0x20e/0x39d [ 651.868812] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 651.887723] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 651.895441] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 651.902713] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 651.909985] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 651.917255] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 651.924531] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 651.931828] ? dump_stack+0x205/0x39d [ 651.935659] ? dump_stack_print_info.cold.1+0x20/0x20 [ 651.940861] ? mark_held_locks+0x130/0x130 [ 651.945104] ? mark_held_locks+0x130/0x130 [ 651.949357] dump_header+0x27b/0xf72 [ 651.953098] ? pagefault_out_of_memory+0x197/0x197 [ 651.958048] ? __lock_acquire+0x62f/0x4c20 [ 651.962298] ? percpu_ref_get_many+0x240/0x240 [ 651.966902] ? print_usage_bug+0xc0/0xc0 [ 651.970988] ? zap_class+0x640/0x640 [ 651.974722] ? print_usage_bug+0xc0/0xc0 [ 651.978791] ? print_usage_bug+0xc0/0xc0 [ 651.982862] ? zap_class+0x640/0x640 [ 651.986583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.992135] ? find_held_lock+0x36/0x1c0 [ 651.996211] ? mark_held_locks+0xc7/0x130 [ 652.000364] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 652.005469] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 652.010576] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 652.015161] ? trace_hardirqs_on+0xbd/0x310 [ 652.019495] ? kasan_check_read+0x11/0x20 [ 652.023651] ? ___ratelimit+0x3b4/0x672 [ 652.027631] ? trace_hardirqs_off_caller+0x310/0x310 [ 652.032738] ? trace_hardirqs_on+0x310/0x310 [ 652.037180] ? lock_downgrade+0x900/0x900 [ 652.041335] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 652.046446] ? ___ratelimit+0x3b9/0x672 [ 652.050443] ? idr_get_free+0xf70/0xf70 [ 652.054429] ? find_held_lock+0x36/0x1c0 [ 652.058513] oom_kill_process.cold.27+0x10/0x903 [ 652.063281] ? zap_class+0x640/0x640 [ 652.067001] ? check_preemption_disabled+0x48/0x280 [ 652.072033] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 652.076972] ? kasan_check_read+0x11/0x20 [ 652.081138] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 652.086441] ? oom_evaluate_task+0x540/0x540 [ 652.090879] ? find_held_lock+0x36/0x1c0 [ 652.094960] ? out_of_memory+0x974/0x1430 [ 652.099128] ? lock_downgrade+0x900/0x900 [ 652.103287] ? check_preemption_disabled+0x48/0x280 [ 652.108757] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 652.113691] ? kasan_check_read+0x11/0x20 [ 652.117842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 652.123121] ? rcu_softirq_qs+0x20/0x20 [ 652.127104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.132643] ? oom_evaluate_task+0x302/0x540 [ 652.137059] out_of_memory+0xa84/0x1430 [ 652.141051] ? oom_killer_disable+0x3a0/0x3a0 [ 652.145555] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 652.150490] ? __ww_mutex_check_waiters+0x160/0x160 [ 652.155526] __alloc_pages_slowpath+0x2354/0x2e10 [ 652.160414] ? warn_alloc+0x120/0x120 [ 652.164230] ? mark_held_locks+0x130/0x130 [ 652.168476] ? find_get_entry+0xaae/0x1120 [ 652.172723] ? filemap_map_pages+0x1a20/0x1a20 [ 652.177333] ? zap_class+0x640/0x640 [ 652.181061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.186604] ? check_preemption_disabled+0x48/0x280 [ 652.191625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.197171] ? should_fail+0x22d/0xd01 [ 652.201069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 652.206185] ? zap_class+0x640/0x640 [ 652.209931] ? __lock_is_held+0xb5/0x140 [ 652.214003] ? mark_held_locks+0x130/0x130 [ 652.218242] ? lock_release+0xa00/0xa00 [ 652.222221] ? perf_trace_sched_process_exec+0x860/0x860 [ 652.227677] ? xa_load+0x2ba/0x460 [ 652.231226] ? lock_downgrade+0x900/0x900 [ 652.235381] ? __might_sleep+0x95/0x190 [ 652.239371] __alloc_pages_nodemask+0xa80/0xde0 [ 652.244051] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 652.249069] ? __page_cache_alloc+0x191/0x5c0 [ 652.253571] ? xa_load+0x2e1/0x460 [ 652.257114] ? xa_clear_mark+0x40/0x40 [ 652.261005] ? zap_class+0x640/0x640 [ 652.264730] ? zap_class+0x640/0x640 [ 652.268443] ? zap_class+0x640/0x640 [ 652.272164] ? __do_page_cache_readahead+0x663/0x810 [ 652.277283] ? find_held_lock+0x36/0x1c0 [ 652.281353] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 652.286901] alloc_pages_current+0x173/0x350 [ 652.291318] __page_cache_alloc+0x38c/0x5c0 [ 652.295641] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 652.300572] ? kasan_check_read+0x11/0x20 [ 652.304722] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 652.310002] ? generic_perform_write+0x6a0/0x6a0 [ 652.314766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.320309] ? check_preemption_disabled+0x48/0x280 [ 652.325333] filemap_fault+0x1595/0x25f0 [ 652.329421] ? __lock_page_or_retry+0xa00/0xa00 [ 652.334095] ? mark_held_locks+0x130/0x130 [ 652.338340] ? filemap_map_pages+0xd6b/0x1a20 [ 652.342842] ? lock_downgrade+0x900/0x900 [ 652.346991] ? check_preemption_disabled+0x48/0x280 [ 652.352012] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 652.356948] ? kasan_check_read+0x11/0x20 [ 652.361097] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 652.366372] ? rcu_softirq_qs+0x20/0x20 [ 652.370373] ? filemap_map_pages+0xd92/0x1a20 [ 652.374889] ? find_get_entries_tag+0x1400/0x1400 [ 652.379745] ? debug_object_destroy+0x2b0/0x2b0 [ 652.384428] ? lock_pi_update_atomic+0x150/0x150 [ 652.389193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.394747] ? lock_acquire+0x1ed/0x520 [ 652.398727] ? ext4_filemap_fault+0x7a/0xad [ 652.403061] ? lock_release+0xa00/0xa00 [ 652.407039] ? perf_trace_sched_process_exec+0x860/0x860 [ 652.412494] ? print_usage_bug+0xc0/0xc0 [ 652.416560] ? print_usage_bug+0xc0/0xc0 [ 652.420635] ? down_read+0x8d/0x120 [ 652.424259] ? ext4_filemap_fault+0x7a/0xad [ 652.428588] ? __down_interruptible+0x700/0x700 [ 652.433271] ext4_filemap_fault+0x82/0xad [ 652.437431] __do_fault+0x100/0x6b0 [ 652.441057] ? find_held_lock+0x36/0x1c0 [ 652.445126] ? pmd_devmap_trans_unstable+0x220/0x220 [ 652.450233] ? mark_held_locks+0x130/0x130 [ 652.454471] ? mark_held_locks+0x130/0x130 [ 652.458713] ? debug_smp_processor_id+0x1c/0x20 [ 652.463385] ? perf_trace_lock+0x14d/0x7a0 [ 652.467627] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 652.472250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.477800] __handle_mm_fault+0x3ea0/0x5be0 [ 652.482219] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 652.487062] ? lock_is_held_type+0x210/0x210 [ 652.491482] ? preempt_notifier_register+0x200/0x200 [ 652.496584] ? __switch_to_asm+0x34/0x70 [ 652.500646] ? __switch_to_asm+0x34/0x70 [ 652.504728] ? zap_class+0x640/0x640 [ 652.508446] ? zap_class+0x640/0x640 [ 652.512159] ? __x64_sys_futex+0x53e/0x6a0 [ 652.516403] ? find_held_lock+0x36/0x1c0 [ 652.520486] ? handle_mm_fault+0x42a/0xc70 [ 652.524726] ? lock_downgrade+0x900/0x900 [ 652.528890] ? check_preemption_disabled+0x48/0x280 [ 652.533919] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 652.538850] ? kasan_check_read+0x11/0x20 [ 652.542999] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 652.548280] ? rcu_softirq_qs+0x20/0x20 [ 652.552261] ? trace_hardirqs_off_caller+0x310/0x310 [ 652.557369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.562910] ? check_preemption_disabled+0x48/0x280 [ 652.567939] handle_mm_fault+0x54f/0xc70 [ 652.572007] ? __handle_mm_fault+0x5be0/0x5be0 [ 652.576599] ? find_vma+0x34/0x190 [ 652.580148] __do_page_fault+0x5e8/0xe60 [ 652.584215] ? trace_hardirqs_off+0xb8/0x310 [ 652.588640] do_page_fault+0xf2/0x7e0 [ 652.592449] ? vmalloc_sync_all+0x30/0x30 [ 652.596600] ? error_entry+0x70/0xd0 [ 652.600319] ? trace_hardirqs_off_caller+0xbb/0x310 [ 652.605336] ? trace_hardirqs_on_caller+0xc0/0x310 [ 652.610271] ? syscall_return_slowpath+0x5e0/0x5e0 [ 652.615203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 652.620049] ? trace_hardirqs_on_caller+0x310/0x310 [ 652.625064] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 652.630522] ? prepare_exit_to_usermode+0x291/0x3b0 [ 652.635543] ? page_fault+0x8/0x30 [ 652.639092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 652.643940] ? page_fault+0x8/0x30 [ 652.647483] page_fault+0x1e/0x30 [ 652.650940] RIP: 0033:0x40f9c0 [ 652.654143] Code: Bad RIP value. [ 652.657540] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 652.662903] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 652.670179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 652.677452] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 652.684722] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 652.692000] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 652.699299] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 652.699363] aoe: skb alloc failure [ 652.706574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 652.706580] Call Trace: [ 652.706587] [ 652.706610] dump_stack+0x244/0x39d [ 652.706630] ? dump_stack_print_info.cold.1+0x20/0x20 [ 652.710183] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 652.719506] warn_alloc.cold.116+0xb7/0x1bd [ 652.722061] syz-fuzzer cpuset=/ mems_allowed=0 [ 652.724204] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 652.756924] ? lock_downgrade+0x900/0x900 [ 652.761083] ? trace_hardirqs_off+0xb8/0x310 [ 652.765505] ? trace_hardirqs_off+0xb8/0x310 [ 652.769925] __alloc_pages_slowpath+0x26e8/0x2e10 [ 652.774800] ? warn_alloc+0x120/0x120 [ 652.778616] ? warn_alloc+0x120/0x120 [ 652.782434] ? warn_alloc+0x120/0x120 [ 652.786242] ? print_usage_bug+0xc0/0xc0 [ 652.790310] ? enqueue_hrtimer+0x1a5/0x560 [ 652.794549] ? print_usage_bug+0xc0/0xc0 [ 652.798611] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 652.803819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 652.809365] ? should_fail+0x22d/0xd01 [ 652.813275] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 652.818387] ? __lock_acquire+0x62f/0x4c20 [ 652.822634] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 652.827741] ? __lock_acquire+0x62f/0x4c20 [ 652.831972] ? should_fail+0x22d/0xd01 [ 652.835874] ? mark_held_locks+0x130/0x130 [ 652.840117] ? mark_held_locks+0x130/0x130 [ 652.844357] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 652.849378] ? ktime_get+0x2c1/0x400 [ 652.853102] ? zap_class+0x640/0x640 [ 652.856820] ? print_usage_bug+0xc0/0xc0 [ 652.860888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.866437] ? check_preemption_disabled+0x48/0x280 [ 652.871468] ? __lock_is_held+0xb5/0x140 [ 652.875536] __alloc_pages_nodemask+0xa80/0xde0 [ 652.880211] ? zap_class+0x640/0x640 [ 652.883933] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 652.888966] ? find_held_lock+0x36/0x1c0 [ 652.893042] ? ____cache_alloc_node+0x1c7/0x1e0 [ 652.897713] ? lock_downgrade+0x900/0x900 [ 652.901878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.907430] cache_grow_begin+0xa5/0x8c0 [ 652.911494] ? do_raw_spin_unlock+0xa7/0x330 [ 652.915927] fallback_alloc+0x204/0x2e0 [ 652.919911] ____cache_alloc_node+0x1c7/0x1e0 [ 652.924422] kmem_cache_alloc_node+0xe3/0x730 [ 652.928919] ? ipv6_get_ifaddr+0x42e/0x620 [ 652.933165] __alloc_skb+0x119/0x770 [ 652.936877] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 652.942159] ? netdev_alloc_frag+0x1f0/0x1f0 [ 652.946570] ? lock_downgrade+0x900/0x900 [ 652.950735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 652.956277] ? refcount_sub_and_test_checked+0x203/0x310 [ 652.961736] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 652.967189] ? addrconf_rs_timer+0x690/0x690 [ 652.971614] ndisc_alloc_skb+0x144/0x340 [ 652.975865] ndisc_send_rs+0x331/0x6e0 [ 652.979762] addrconf_rs_timer+0x314/0x690 [ 652.984007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 652.988254] call_timer_fn+0x272/0x920 [ 652.992142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 652.996382] ? process_timeout+0x40/0x40 [ 653.000458] ? __run_timers+0x7da/0xc70 [ 653.004443] ? _raw_spin_unlock_irq+0x27/0x80 [ 653.008939] ? _raw_spin_unlock_irq+0x27/0x80 [ 653.013442] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.017686] ? lockdep_hardirqs_on+0x296/0x5b0 [ 653.022276] ? trace_hardirqs_on+0xbd/0x310 [ 653.026601] ? kasan_check_read+0x11/0x20 [ 653.030751] ? __run_timers+0x7da/0xc70 [ 653.034726] ? trace_hardirqs_off_caller+0x310/0x310 [ 653.039843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 653.044079] __run_timers+0x7e5/0xc70 [ 653.047892] ? timer_fixup_init+0x70/0x70 [ 653.052054] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 653.057073] ? zap_class+0x640/0x640 [ 653.060796] ? enqueue_hrtimer+0x1a5/0x560 [ 653.065033] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 653.070233] ? find_held_lock+0x36/0x1c0 [ 653.074302] ? zap_class+0x640/0x640 [ 653.078024] ? pvclock_read_flags+0x160/0x160 [ 653.082525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.088068] ? check_preemption_disabled+0x48/0x280 [ 653.093093] ? __lock_is_held+0xb5/0x140 [ 653.097157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.102699] ? check_preemption_disabled+0x48/0x280 [ 653.107725] run_timer_softirq+0x52/0xb0 [ 653.111796] ? rcu_read_lock_sched_held+0x14f/0x180 [ 653.116832] __do_softirq+0x308/0xb7e [ 653.120642] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 653.125139] ? lock_downgrade+0x900/0x900 [ 653.129296] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 653.134416] ? pvclock_read_flags+0x160/0x160 [ 653.138921] ? lapic_next_event+0x5a/0x90 [ 653.143075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.148618] ? kvm_clock_read+0x18/0x30 [ 653.152596] ? kvm_sched_clock_read+0x9/0x20 [ 653.157007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.162546] ? check_preemption_disabled+0x48/0x280 [ 653.167575] irq_exit+0x17f/0x1c0 [ 653.171038] smp_apic_timer_interrupt+0x1cb/0x760 [ 653.175880] ? smp_reschedule_interrupt+0x109/0x650 [ 653.180899] ? smp_call_function_single_interrupt+0x650/0x650 [ 653.186784] ? interrupt_entry+0xb5/0xc0 [ 653.190848] ? trace_hardirqs_off_caller+0xbb/0x310 [ 653.195866] ? trace_hardirqs_off_caller+0xbb/0x310 [ 653.200892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.205738] ? trace_hardirqs_on_caller+0x310/0x310 [ 653.210756] ? trace_hardirqs_on_caller+0x310/0x310 [ 653.215771] ? task_prio+0x50/0x50 [ 653.219316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.224854] ? check_preemption_disabled+0x48/0x280 [ 653.229877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.234729] apic_timer_interrupt+0xf/0x20 [ 653.238958] [ 653.241202] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 653.246137] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 653.265044] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 653.272754] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 653.280022] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 653.287289] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 653.294561] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 653.301830] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 653.309146] skb_clone+0x1bb/0x500 [ 653.312693] ? finish_task_switch+0x1b4/0x910 [ 653.317188] ? skb_split+0x11e0/0x11e0 [ 653.321084] ? preempt_notifier_register+0x200/0x200 [ 653.326187] ? __switch_to_asm+0x34/0x70 [ 653.330258] ? __switch_to_asm+0x34/0x70 [ 653.334320] ? __switch_to_asm+0x40/0x70 [ 653.338381] ? __switch_to_asm+0x34/0x70 [ 653.342445] ? __switch_to_asm+0x40/0x70 [ 653.346507] ? __switch_to_asm+0x34/0x70 [ 653.350565] ? __switch_to_asm+0x40/0x70 [ 653.354624] ? __switch_to_asm+0x34/0x70 [ 653.358692] ? __switch_to_asm+0x34/0x70 [ 653.362750] ? __switch_to_asm+0x40/0x70 [ 653.366810] ? __switch_to_asm+0x34/0x70 [ 653.370877] bpf_clone_redirect+0xb9/0x490 [ 653.375114] ? __schedule+0x8d7/0x21d0 [ 653.379021] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 653.384047] ? __sched_text_start+0x8/0x8 [ 653.388204] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 653.392789] ? retint_kernel+0x2d/0x2d [ 653.396682] ? trace_hardirqs_on_caller+0xc0/0x310 [ 653.401619] ? find_held_lock+0x36/0x1c0 [ 653.405697] ? lock_acquire+0x1ed/0x520 [ 653.409682] ? bpf_test_run+0x3cb/0x780 [ 653.413663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.419213] ? check_preemption_disabled+0x48/0x280 [ 653.424239] ? kasan_check_read+0x11/0x20 [ 653.428386] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 653.433680] ? rcu_softirq_qs+0x20/0x20 [ 653.437658] ? preempt_schedule+0x4d/0x60 [ 653.441817] ? ___preempt_schedule+0x16/0x18 [ 653.446240] ? bpf_test_run+0x25d/0x780 [ 653.450225] ? netlink_diag_dump+0x2a0/0x2a0 [ 653.454639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 653.460182] ? bpf_test_init.isra.10+0x70/0x100 [ 653.464858] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 653.469625] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 653.474468] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 653.480009] ? fput+0x130/0x1a0 [ 653.483292] ? __bpf_prog_get+0x9b/0x290 [ 653.487359] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 653.492205] ? bpf_prog_test_run+0x130/0x1a0 [ 653.496621] ? __x64_sys_bpf+0x3d8/0x520 [ 653.500690] ? bpf_prog_get+0x20/0x20 [ 653.504514] ? do_syscall_64+0x1b9/0x820 [ 653.508577] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 653.513941] ? syscall_return_slowpath+0x5e0/0x5e0 [ 653.518870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.523719] ? trace_hardirqs_on_caller+0x310/0x310 [ 653.528739] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 653.533756] ? prepare_exit_to_usermode+0x291/0x3b0 [ 653.538779] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 653.543635] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 653.549017] warn_alloc_show_mem: 1 callbacks suppressed [ 653.549029] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 653.549031] Mem-Info: [ 653.549064] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 653.549064] active_file:14 inactive_file:14 isolated_file:0 [ 653.549064] unevictable:0 dirty:0 writeback:0 unstable:0 [ 653.549064] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 653.549064] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 653.549064] free:13772 free_pcp:380 free_cma:0 [ 653.554414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 653.561438] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 653.563836] Call Trace: [ 653.596970] 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 [ 653.606316] [ 653.634171] lowmem_reserve[]: 0 2818 6321 6321 [ 653.636785] dump_stack+0x244/0x39d [ 653.662867] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 653.665024] ? dump_stack_print_info.cold.1+0x20/0x20 [ 653.669561] lowmem_reserve[]: 0 0 3503 3503 [ 653.673205] warn_alloc.cold.116+0xb7/0x1bd [ 653.700690] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 653.705885] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 653.710166] lowmem_reserve[]: 0 0 0 0 [ 653.714520] ? lock_downgrade+0x900/0x900 [ 653.743643] 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 [ 653.748492] ? trace_hardirqs_off+0xb8/0x310 [ 653.752256] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 653.756468] ? trace_hardirqs_off+0xb8/0x310 [ 653.769985] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 653.774401] __alloc_pages_slowpath+0x26e8/0x2e10 [ 653.789642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 653.794067] ? warn_alloc+0x120/0x120 [ 653.808422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 653.813261] ? warn_alloc+0x120/0x120 [ 653.822070] 12557 total pagecache pages [ 653.825864] ? __lock_acquire+0x62f/0x4c20 [ 653.834425] 0 pages in swap cache [ 653.838221] ? warn_alloc+0x120/0x120 [ 653.842168] Swap cache stats: add 0, delete 0, find 0/0 [ 653.846400] ? print_usage_bug+0xc0/0xc0 [ 653.849836] Free swap = 0kB [ 653.853630] ? print_usage_bug+0xc0/0xc0 [ 653.858971] Total swap = 0kB [ 653.863025] ? mark_held_locks+0x130/0x130 [ 653.866016] 1965979 pages RAM [ 653.870101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 653.873083] 0 pages HighMem/MovableOnly [ 653.873092] 342853 pages reserved [ 653.877319] ? should_fail+0x22d/0xd01 [ 653.880398] 0 pages cma reserved [ 653.885937] ? zap_class+0x640/0x640 [ 653.889950] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 653.893332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 653.897330] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 653.900560] ? __lock_acquire+0x62f/0x4c20 [ 653.904251] syz-executor1 cpuset=syz1 mems_allowed=0 [ 653.910736] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 653.940696] ? should_fail+0x22d/0xd01 [ 653.944604] ? mark_held_locks+0x130/0x130 [ 653.948843] ? mark_held_locks+0x130/0x130 [ 653.953082] ? lock_downgrade+0x900/0x900 [ 653.957232] ? zap_class+0x640/0x640 [ 653.960950] ? zap_class+0x640/0x640 [ 653.964671] ? zap_class+0x640/0x640 [ 653.968384] ? do_raw_spin_unlock+0xa7/0x330 [ 653.972805] ? trace_hardirqs_on+0x310/0x310 [ 653.977217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.982757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 653.988297] ? check_preemption_disabled+0x48/0x280 [ 653.993331] ? __lock_is_held+0xb5/0x140 [ 653.997401] __alloc_pages_nodemask+0xa80/0xde0 [ 654.002085] ? zap_class+0x640/0x640 [ 654.005809] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 654.010841] ? find_held_lock+0x36/0x1c0 [ 654.014916] ? ____cache_alloc_node+0x1c7/0x1e0 [ 654.019586] ? lock_downgrade+0x900/0x900 [ 654.023744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.029287] cache_grow_begin+0xa5/0x8c0 [ 654.033349] ? do_raw_spin_unlock+0xa7/0x330 [ 654.037766] fallback_alloc+0x204/0x2e0 [ 654.041748] ____cache_alloc_node+0x1c7/0x1e0 [ 654.046253] kmem_cache_alloc_node+0xe3/0x730 [ 654.050757] ? lockdep_hardirqs_on+0x296/0x5b0 [ 654.055350] __alloc_skb+0x119/0x770 [ 654.059066] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 654.064445] ? netdev_alloc_frag+0x1f0/0x1f0 [ 654.068868] ? vprintk_default+0x28/0x30 [ 654.072930] ? vprintk_func+0x85/0x181 [ 654.076822] ? printk+0xa7/0xcf [ 654.080102] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 654.084870] new_skb+0x26/0x1c0 [ 654.088153] aoecmd_cfg+0x279/0x7f0 [ 654.091793] ? find_held_lock+0x36/0x1c0 [ 654.095860] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 654.100200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.106238] ? __lock_is_held+0xb5/0x140 [ 654.110314] discover_timer+0x50/0x60 [ 654.114127] call_timer_fn+0x272/0x920 [ 654.118014] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 654.122857] ? process_timeout+0x40/0x40 [ 654.126929] ? mark_held_locks+0xc7/0x130 [ 654.131081] ? _raw_spin_unlock_irq+0x27/0x80 [ 654.135581] ? _raw_spin_unlock_irq+0x27/0x80 [ 654.140076] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 654.144930] ? lockdep_hardirqs_on+0x296/0x5b0 [ 654.149515] ? trace_hardirqs_on+0xbd/0x310 [ 654.153840] ? kasan_check_read+0x11/0x20 [ 654.157992] ? __run_timers+0x7da/0xc70 [ 654.161971] ? trace_hardirqs_off_caller+0x310/0x310 [ 654.167092] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 654.171931] __run_timers+0x7e5/0xc70 [ 654.175761] ? timer_fixup_init+0x70/0x70 [ 654.179913] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 654.184930] ? zap_class+0x640/0x640 [ 654.188650] ? print_usage_bug+0xc0/0xc0 [ 654.192721] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 654.197918] ? find_held_lock+0x36/0x1c0 [ 654.201983] ? zap_class+0x640/0x640 [ 654.205727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.211267] ? check_preemption_disabled+0x48/0x280 [ 654.216299] ? __lock_is_held+0xb5/0x140 [ 654.220360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.225902] ? check_preemption_disabled+0x48/0x280 [ 654.230935] run_timer_softirq+0x52/0xb0 [ 654.234997] ? rcu_read_lock_sched_held+0x14f/0x180 [ 654.240015] __do_softirq+0x308/0xb7e [ 654.243823] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 654.248321] ? lock_downgrade+0x900/0x900 [ 654.252474] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 654.257590] ? pvclock_read_flags+0x160/0x160 [ 654.262113] ? lapic_next_event+0x5a/0x90 [ 654.266287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.271831] ? kvm_clock_read+0x18/0x30 [ 654.275806] ? kvm_sched_clock_read+0x9/0x20 [ 654.280215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.285754] ? check_preemption_disabled+0x48/0x280 [ 654.290780] irq_exit+0x17f/0x1c0 [ 654.294266] smp_apic_timer_interrupt+0x1cb/0x760 [ 654.299106] ? smp_reschedule_interrupt+0x109/0x650 [ 654.304126] ? smp_call_function_single_interrupt+0x650/0x650 [ 654.310015] ? interrupt_entry+0xb5/0xc0 [ 654.314079] ? trace_hardirqs_off_caller+0xbb/0x310 [ 654.319097] ? trace_hardirqs_off_caller+0xbb/0x310 [ 654.324113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 654.328959] ? trace_hardirqs_on_caller+0x310/0x310 [ 654.333978] ? trace_hardirqs_on_caller+0x310/0x310 [ 654.338996] ? task_prio+0x50/0x50 [ 654.342544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.348083] ? check_preemption_disabled+0x48/0x280 [ 654.353110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 654.357963] apic_timer_interrupt+0xf/0x20 [ 654.362193] [ 654.364437] RIP: 0010:dump_stack+0x20e/0x39d [ 654.368849] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 654.387751] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 654.395459] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 654.402728] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 654.409999] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 654.417266] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 654.424531] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 654.431826] ? dump_stack+0x205/0x39d [ 654.435648] ? dump_stack_print_info.cold.1+0x20/0x20 [ 654.440841] ? mark_held_locks+0x130/0x130 [ 654.445078] ? mark_held_locks+0x130/0x130 [ 654.449321] dump_header+0x27b/0xf72 [ 654.453049] ? pagefault_out_of_memory+0x197/0x197 [ 654.457991] ? __lock_acquire+0x62f/0x4c20 [ 654.462261] ? percpu_ref_get_many+0x240/0x240 [ 654.466861] ? print_usage_bug+0xc0/0xc0 [ 654.470928] ? zap_class+0x640/0x640 [ 654.474645] ? print_usage_bug+0xc0/0xc0 [ 654.478709] ? print_usage_bug+0xc0/0xc0 [ 654.482774] ? zap_class+0x640/0x640 [ 654.486499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.492043] ? find_held_lock+0x36/0x1c0 [ 654.496117] ? mark_held_locks+0xc7/0x130 [ 654.500282] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 654.505383] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 654.510494] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 654.515077] ? trace_hardirqs_on+0xbd/0x310 [ 654.519398] ? kasan_check_read+0x11/0x20 [ 654.523560] ? ___ratelimit+0x3b4/0x672 [ 654.527539] ? trace_hardirqs_off_caller+0x310/0x310 [ 654.532648] ? trace_hardirqs_on+0x310/0x310 [ 654.537080] ? lock_downgrade+0x900/0x900 [ 654.541240] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 654.546343] ? ___ratelimit+0x3b9/0x672 [ 654.550322] ? idr_get_free+0xf70/0xf70 [ 654.554311] ? find_held_lock+0x36/0x1c0 [ 654.558383] oom_kill_process.cold.27+0x10/0x903 [ 654.563150] ? zap_class+0x640/0x640 [ 654.566871] ? check_preemption_disabled+0x48/0x280 [ 654.571891] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 654.576821] ? kasan_check_read+0x11/0x20 [ 654.580972] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 654.586251] ? oom_evaluate_task+0x540/0x540 [ 654.590667] ? find_held_lock+0x36/0x1c0 [ 654.594741] ? out_of_memory+0x974/0x1430 [ 654.598890] ? lock_downgrade+0x900/0x900 [ 654.603038] ? check_preemption_disabled+0x48/0x280 [ 654.608062] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 654.612990] ? kasan_check_read+0x11/0x20 [ 654.617137] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 654.622426] ? rcu_softirq_qs+0x20/0x20 [ 654.626415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.631955] ? oom_evaluate_task+0x302/0x540 [ 654.636369] out_of_memory+0xa84/0x1430 [ 654.640374] ? oom_killer_disable+0x3a0/0x3a0 [ 654.644881] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 654.649818] ? __ww_mutex_check_waiters+0x160/0x160 [ 654.654848] __alloc_pages_slowpath+0x2354/0x2e10 [ 654.659724] ? warn_alloc+0x120/0x120 [ 654.663530] ? mark_held_locks+0x130/0x130 [ 654.667775] ? find_get_entry+0xaae/0x1120 [ 654.672024] ? filemap_map_pages+0x1a20/0x1a20 [ 654.676613] ? zap_class+0x640/0x640 [ 654.680338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.685880] ? check_preemption_disabled+0x48/0x280 [ 654.690898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.696444] ? should_fail+0x22d/0xd01 [ 654.700343] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 654.705456] ? zap_class+0x640/0x640 [ 654.709205] ? __lock_is_held+0xb5/0x140 [ 654.713293] ? mark_held_locks+0x130/0x130 [ 654.717534] ? lock_release+0xa00/0xa00 [ 654.721512] ? perf_trace_sched_process_exec+0x860/0x860 [ 654.726964] ? xa_load+0x2ba/0x460 [ 654.730510] ? lock_downgrade+0x900/0x900 [ 654.734667] ? __might_sleep+0x95/0x190 [ 654.738652] __alloc_pages_nodemask+0xa80/0xde0 [ 654.743329] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 654.748375] ? __page_cache_alloc+0x191/0x5c0 [ 654.752885] ? xa_load+0x2e1/0x460 [ 654.756435] ? xa_clear_mark+0x40/0x40 [ 654.760326] ? zap_class+0x640/0x640 [ 654.764049] ? zap_class+0x640/0x640 [ 654.767767] ? zap_class+0x640/0x640 [ 654.771489] ? __do_page_cache_readahead+0x663/0x810 [ 654.776604] ? find_held_lock+0x36/0x1c0 [ 654.780674] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 654.786223] alloc_pages_current+0x173/0x350 [ 654.790650] __page_cache_alloc+0x38c/0x5c0 [ 654.794974] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 654.799913] ? kasan_check_read+0x11/0x20 [ 654.804082] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 654.809372] ? generic_perform_write+0x6a0/0x6a0 [ 654.814144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.819708] ? check_preemption_disabled+0x48/0x280 [ 654.824742] filemap_fault+0x1595/0x25f0 [ 654.828824] ? __lock_page_or_retry+0xa00/0xa00 [ 654.833505] ? mark_held_locks+0x130/0x130 [ 654.837762] ? filemap_map_pages+0xd6b/0x1a20 [ 654.842266] ? lock_downgrade+0x900/0x900 [ 654.846425] ? check_preemption_disabled+0x48/0x280 [ 654.851452] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 654.856384] ? kasan_check_read+0x11/0x20 [ 654.860543] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 654.865840] ? rcu_softirq_qs+0x20/0x20 [ 654.869833] ? filemap_map_pages+0xd92/0x1a20 [ 654.874347] ? find_get_entries_tag+0x1400/0x1400 [ 654.879204] ? debug_object_destroy+0x2b0/0x2b0 [ 654.883882] ? lock_pi_update_atomic+0x150/0x150 [ 654.888641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 654.894199] ? lock_acquire+0x1ed/0x520 [ 654.898181] ? ext4_filemap_fault+0x7a/0xad [ 654.902519] ? lock_release+0xa00/0xa00 [ 654.906497] ? perf_trace_sched_process_exec+0x860/0x860 [ 654.911955] ? print_usage_bug+0xc0/0xc0 [ 654.916023] ? print_usage_bug+0xc0/0xc0 [ 654.920101] ? down_read+0x8d/0x120 [ 654.923726] ? ext4_filemap_fault+0x7a/0xad [ 654.928065] ? __down_interruptible+0x700/0x700 [ 654.932747] ext4_filemap_fault+0x82/0xad [ 654.936899] __do_fault+0x100/0x6b0 [ 654.940539] ? find_held_lock+0x36/0x1c0 [ 654.944605] ? pmd_devmap_trans_unstable+0x220/0x220 [ 654.949716] ? mark_held_locks+0x130/0x130 [ 654.953958] ? mark_held_locks+0x130/0x130 [ 654.958206] ? debug_smp_processor_id+0x1c/0x20 [ 654.962892] ? perf_trace_lock+0x14d/0x7a0 [ 654.967147] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 654.971766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 654.977473] __handle_mm_fault+0x3ea0/0x5be0 [ 654.981909] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 654.986771] ? lock_is_held_type+0x210/0x210 [ 654.991204] ? preempt_notifier_register+0x200/0x200 [ 654.996319] ? __switch_to_asm+0x34/0x70 [ 655.000385] ? __switch_to_asm+0x34/0x70 [ 655.004474] ? zap_class+0x640/0x640 [ 655.008193] ? zap_class+0x640/0x640 [ 655.011910] ? __x64_sys_futex+0x53e/0x6a0 [ 655.016154] ? find_held_lock+0x36/0x1c0 [ 655.020241] ? handle_mm_fault+0x42a/0xc70 [ 655.024482] ? lock_downgrade+0x900/0x900 [ 655.028632] ? check_preemption_disabled+0x48/0x280 [ 655.033658] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 655.038590] ? kasan_check_read+0x11/0x20 [ 655.042743] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 655.048022] ? rcu_softirq_qs+0x20/0x20 [ 655.052003] ? trace_hardirqs_off_caller+0x310/0x310 [ 655.057114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 655.062663] ? check_preemption_disabled+0x48/0x280 [ 655.067692] handle_mm_fault+0x54f/0xc70 [ 655.071764] ? __handle_mm_fault+0x5be0/0x5be0 [ 655.076357] ? find_vma+0x34/0x190 [ 655.079913] __do_page_fault+0x5e8/0xe60 [ 655.083985] ? trace_hardirqs_off+0xb8/0x310 [ 655.088418] do_page_fault+0xf2/0x7e0 [ 655.092232] ? vmalloc_sync_all+0x30/0x30 [ 655.096388] ? error_entry+0x70/0xd0 [ 655.100116] ? trace_hardirqs_off_caller+0xbb/0x310 [ 655.105132] ? trace_hardirqs_on_caller+0xc0/0x310 [ 655.110070] ? syscall_return_slowpath+0x5e0/0x5e0 [ 655.115005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 655.119856] ? trace_hardirqs_on_caller+0x310/0x310 [ 655.124878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 655.130347] ? prepare_exit_to_usermode+0x291/0x3b0 [ 655.135370] ? page_fault+0x8/0x30 [ 655.138917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 655.143769] ? page_fault+0x8/0x30 [ 655.147315] page_fault+0x1e/0x30 [ 655.150766] RIP: 0033:0x40f9c0 [ 655.153972] Code: Bad RIP value. [ 655.157332] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 655.162692] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 655.169965] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 655.177236] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 655.184510] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 655.191779] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 655.199085] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 655.199147] aoe: skb alloc failure [ 655.206365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 655.206370] Call Trace: [ 655.206377] [ 655.206400] dump_stack+0x244/0x39d [ 655.206430] ? dump_stack_print_info.cold.1+0x20/0x20 [ 655.206457] warn_alloc.cold.116+0xb7/0x1bd [ 655.210028] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 655.219347] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 655.221906] syz-fuzzer cpuset=/ mems_allowed=0 [ 655.224052] ? lock_downgrade+0x900/0x900 [ 655.260896] ? trace_hardirqs_off+0xb8/0x310 [ 655.265313] ? trace_hardirqs_off+0xb8/0x310 [ 655.269733] __alloc_pages_slowpath+0x26e8/0x2e10 [ 655.274613] ? warn_alloc+0x120/0x120 [ 655.278428] ? print_usage_bug+0xc0/0xc0 [ 655.282498] ? warn_alloc+0x120/0x120 [ 655.286305] ? warn_alloc+0x120/0x120 [ 655.290107] ? print_usage_bug+0xc0/0xc0 [ 655.294173] ? kvm_clock_read+0x18/0x30 [ 655.298149] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 655.303171] ? print_usage_bug+0xc0/0xc0 [ 655.307236] ? __lock_acquire+0x62f/0x4c20 [ 655.311478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 655.317019] ? should_fail+0x22d/0xd01 [ 655.320908] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 655.326190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 655.331299] ? __lock_acquire+0x62f/0x4c20 [ 655.335542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 655.340645] ? __lock_acquire+0x62f/0x4c20 [ 655.344886] ? should_fail+0x22d/0xd01 [ 655.348769] ? rcu_irq_exit+0x1a2/0x390 [ 655.352758] ? mark_held_locks+0x130/0x130 [ 655.356997] ? mark_held_locks+0x130/0x130 [ 655.361238] ? mark_held_locks+0xc7/0x130 [ 655.365391] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 655.370421] ? zap_class+0x640/0x640 [ 655.374134] ? print_usage_bug+0xc0/0xc0 [ 655.378202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.383743] ? check_preemption_disabled+0x48/0x280 [ 655.388773] ? __lock_is_held+0xb5/0x140 [ 655.392840] __alloc_pages_nodemask+0xa80/0xde0 [ 655.397520] ? zap_class+0x640/0x640 [ 655.401248] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 655.406281] ? find_held_lock+0x36/0x1c0 [ 655.410357] ? ____cache_alloc_node+0x1c7/0x1e0 [ 655.415032] ? lock_downgrade+0x900/0x900 [ 655.419187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.424735] cache_grow_begin+0xa5/0x8c0 [ 655.428799] ? do_raw_spin_unlock+0xa7/0x330 [ 655.433214] fallback_alloc+0x204/0x2e0 [ 655.437194] ____cache_alloc_node+0x1c7/0x1e0 [ 655.441699] kmem_cache_alloc_node+0xe3/0x730 [ 655.446195] ? ipv6_get_ifaddr+0x42e/0x620 [ 655.450450] __alloc_skb+0x119/0x770 [ 655.454165] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 655.459446] ? netdev_alloc_frag+0x1f0/0x1f0 [ 655.463865] ? lock_downgrade+0x900/0x900 [ 655.468026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.473565] ? refcount_sub_and_test_checked+0x203/0x310 [ 655.479024] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 655.484475] ? addrconf_rs_timer+0x690/0x690 [ 655.488897] ndisc_alloc_skb+0x144/0x340 [ 655.492966] ndisc_send_rs+0x331/0x6e0 [ 655.496860] addrconf_rs_timer+0x314/0x690 [ 655.501104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 655.505356] call_timer_fn+0x272/0x920 [ 655.509243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 655.513482] ? process_timeout+0x40/0x40 [ 655.517552] ? __run_timers+0x7da/0xc70 [ 655.521534] ? _raw_spin_unlock_irq+0x27/0x80 [ 655.526030] ? _raw_spin_unlock_irq+0x27/0x80 [ 655.530524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 655.534760] ? lockdep_hardirqs_on+0x296/0x5b0 [ 655.539346] ? trace_hardirqs_on+0xbd/0x310 [ 655.543672] ? kasan_check_read+0x11/0x20 [ 655.547822] ? __run_timers+0x7da/0xc70 [ 655.551800] ? trace_hardirqs_off_caller+0x310/0x310 [ 655.556907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 655.561149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 655.565383] __run_timers+0x7e5/0xc70 [ 655.569204] ? timer_fixup_init+0x70/0x70 [ 655.573356] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 655.578375] ? zap_class+0x640/0x640 [ 655.582099] ? enqueue_hrtimer+0x1a5/0x560 [ 655.586334] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 655.591531] ? find_held_lock+0x36/0x1c0 [ 655.595597] ? zap_class+0x640/0x640 [ 655.599316] ? pvclock_read_flags+0x160/0x160 [ 655.603817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.609357] ? check_preemption_disabled+0x48/0x280 [ 655.614384] ? __lock_is_held+0xb5/0x140 [ 655.618457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.623996] ? check_preemption_disabled+0x48/0x280 [ 655.629020] run_timer_softirq+0x52/0xb0 [ 655.633083] ? rcu_read_lock_sched_held+0x14f/0x180 [ 655.638102] __do_softirq+0x308/0xb7e [ 655.641925] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 655.646441] ? lock_downgrade+0x900/0x900 [ 655.650616] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 655.655729] ? pvclock_read_flags+0x160/0x160 [ 655.660227] ? lapic_next_event+0x5a/0x90 [ 655.664395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.669944] ? kvm_clock_read+0x18/0x30 [ 655.673920] ? kvm_sched_clock_read+0x9/0x20 [ 655.678330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.683871] ? check_preemption_disabled+0x48/0x280 [ 655.688900] irq_exit+0x17f/0x1c0 [ 655.692358] smp_apic_timer_interrupt+0x1cb/0x760 [ 655.697205] ? smp_reschedule_interrupt+0x109/0x650 [ 655.702225] ? smp_call_function_single_interrupt+0x650/0x650 [ 655.708107] ? interrupt_entry+0xb5/0xc0 [ 655.712213] ? trace_hardirqs_off_caller+0xbb/0x310 [ 655.717230] ? trace_hardirqs_off_caller+0xbb/0x310 [ 655.722283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 655.727131] ? trace_hardirqs_on_caller+0x310/0x310 [ 655.732147] ? trace_hardirqs_on_caller+0x310/0x310 [ 655.737164] ? task_prio+0x50/0x50 [ 655.740709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.746250] ? check_preemption_disabled+0x48/0x280 [ 655.751278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 655.756130] apic_timer_interrupt+0xf/0x20 [ 655.760358] [ 655.762609] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 655.767543] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 655.786441] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 655.794148] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 655.801423] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 655.808698] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 655.815963] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 655.823228] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 655.830545] skb_clone+0x1bb/0x500 [ 655.834092] ? finish_task_switch+0x1b4/0x910 [ 655.838607] ? skb_split+0x11e0/0x11e0 [ 655.842496] ? preempt_notifier_register+0x200/0x200 [ 655.847598] ? __switch_to_asm+0x34/0x70 [ 655.851661] ? __switch_to_asm+0x34/0x70 [ 655.855729] ? __switch_to_asm+0x40/0x70 [ 655.859790] ? __switch_to_asm+0x34/0x70 [ 655.863850] ? __switch_to_asm+0x40/0x70 [ 655.867909] ? __switch_to_asm+0x34/0x70 [ 655.871968] ? __switch_to_asm+0x40/0x70 [ 655.876026] ? __switch_to_asm+0x34/0x70 [ 655.880088] ? __switch_to_asm+0x34/0x70 [ 655.884145] ? __switch_to_asm+0x40/0x70 [ 655.888212] ? __switch_to_asm+0x34/0x70 [ 655.892280] bpf_clone_redirect+0xb9/0x490 [ 655.896519] ? __schedule+0x8d7/0x21d0 [ 655.900435] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 655.905486] ? __sched_text_start+0x8/0x8 [ 655.909641] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 655.914228] ? retint_kernel+0x2d/0x2d [ 655.918121] ? trace_hardirqs_on_caller+0xc0/0x310 [ 655.923058] ? find_held_lock+0x36/0x1c0 [ 655.927131] ? lock_acquire+0x1ed/0x520 [ 655.931110] ? bpf_test_run+0x3cb/0x780 [ 655.935085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 655.940625] ? check_preemption_disabled+0x48/0x280 [ 655.945647] ? kasan_check_read+0x11/0x20 [ 655.949803] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 655.955079] ? rcu_softirq_qs+0x20/0x20 [ 655.959059] ? preempt_schedule+0x4d/0x60 [ 655.963209] ? ___preempt_schedule+0x16/0x18 [ 655.967629] ? bpf_test_run+0x25d/0x780 [ 655.971615] ? netlink_diag_dump+0x2a0/0x2a0 [ 655.976207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 655.981747] ? bpf_test_init.isra.10+0x70/0x100 [ 655.986428] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 655.991202] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 655.996045] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 656.001581] ? fput+0x130/0x1a0 [ 656.004863] ? __bpf_prog_get+0x9b/0x290 [ 656.008929] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 656.013772] ? bpf_prog_test_run+0x130/0x1a0 [ 656.018184] ? __x64_sys_bpf+0x3d8/0x520 [ 656.022257] ? bpf_prog_get+0x20/0x20 [ 656.026088] ? do_syscall_64+0x1b9/0x820 [ 656.030148] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 656.035515] ? syscall_return_slowpath+0x5e0/0x5e0 [ 656.040445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 656.045290] ? trace_hardirqs_on_caller+0x310/0x310 [ 656.050314] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 656.055338] ? prepare_exit_to_usermode+0x291/0x3b0 [ 656.060364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 656.065227] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 656.070615] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 656.070621] warn_alloc_show_mem: 1 callbacks suppressed [ 656.070628] Mem-Info: [ 656.077644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 656.083019] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 656.083019] active_file:14 inactive_file:14 isolated_file:0 [ 656.083019] unevictable:0 dirty:0 writeback:0 unstable:0 [ 656.083019] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 656.083019] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 656.083019] free:13772 free_pcp:380 free_cma:0 [ 656.085391] Call Trace: [ 656.094791] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 656.128383] [ 656.130966] 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 [ 656.158818] dump_stack+0x244/0x39d [ 656.160944] lowmem_reserve[]: 0 2818 6321 6321 [ 656.187065] ? dump_stack_print_info.cold.1+0x20/0x20 [ 656.190675] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 656.195258] warn_alloc.cold.116+0xb7/0x1bd [ 656.200402] lowmem_reserve[]: 0 0 3503 3503 [ 656.227930] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 656.232234] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 656.236550] ? lock_downgrade+0x900/0x900 [ 656.241364] lowmem_reserve[]: 0 0 0 0 [ 656.270520] ? trace_hardirqs_off+0xb8/0x310 [ 656.274641] 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 [ 656.278446] ? trace_hardirqs_off+0xb8/0x310 [ 656.282826] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 656.296350] __alloc_pages_slowpath+0x26e8/0x2e10 [ 656.300726] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 656.316009] ? warn_alloc+0x120/0x120 [ 656.320809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 656.335197] ? warn_alloc+0x120/0x120 [ 656.338975] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 656.347809] ? __lock_acquire+0x62f/0x4c20 [ 656.351586] 12557 total pagecache pages [ 656.360160] ? warn_alloc+0x120/0x120 [ 656.364372] 0 pages in swap cache [ 656.368334] ? print_usage_bug+0xc0/0xc0 [ 656.372113] Swap cache stats: add 0, delete 0, find 0/0 [ 656.375555] ? print_usage_bug+0xc0/0xc0 [ 656.379593] Free swap = 0kB [ 656.384950] ? mark_held_locks+0x130/0x130 [ 656.388983] Total swap = 0kB [ 656.391997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 656.396205] 1965979 pages RAM [ 656.399219] ? should_fail+0x22d/0xd01 [ 656.404723] 0 pages HighMem/MovableOnly [ 656.404732] 342853 pages reserved [ 656.407831] ? zap_class+0x640/0x640 [ 656.411694] 0 pages cma reserved [ 656.415663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 656.419162] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 656.422804] ? __lock_acquire+0x62f/0x4c20 [ 656.426265] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 656.431282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 656.437750] syz-executor1 cpuset=syz1 mems_allowed=0 [ 656.441980] ? should_fail+0x22d/0xd01 [ 656.466505] ? mark_held_locks+0x130/0x130 [ 656.470746] ? mark_held_locks+0x130/0x130 [ 656.475010] ? lock_downgrade+0x900/0x900 [ 656.479163] ? zap_class+0x640/0x640 [ 656.482887] ? zap_class+0x640/0x640 [ 656.486608] ? zap_class+0x640/0x640 [ 656.490327] ? do_raw_spin_unlock+0xa7/0x330 [ 656.494741] ? trace_hardirqs_on+0x310/0x310 [ 656.499151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.504695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.510245] ? check_preemption_disabled+0x48/0x280 [ 656.515277] ? __lock_is_held+0xb5/0x140 [ 656.519349] __alloc_pages_nodemask+0xa80/0xde0 [ 656.524020] ? zap_class+0x640/0x640 [ 656.527744] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 656.532789] ? find_held_lock+0x36/0x1c0 [ 656.536860] ? ____cache_alloc_node+0x1c7/0x1e0 [ 656.541530] ? lock_downgrade+0x900/0x900 [ 656.545686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.551234] cache_grow_begin+0xa5/0x8c0 [ 656.555299] ? do_raw_spin_unlock+0xa7/0x330 [ 656.559718] fallback_alloc+0x204/0x2e0 [ 656.563698] ____cache_alloc_node+0x1c7/0x1e0 [ 656.568207] kmem_cache_alloc_node+0xe3/0x730 [ 656.572712] ? lockdep_hardirqs_on+0x296/0x5b0 [ 656.577304] __alloc_skb+0x119/0x770 [ 656.581022] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 656.586390] ? netdev_alloc_frag+0x1f0/0x1f0 [ 656.590814] ? vprintk_default+0x28/0x30 [ 656.594877] ? vprintk_func+0x85/0x181 [ 656.598765] ? printk+0xa7/0xcf [ 656.602045] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 656.606820] new_skb+0x26/0x1c0 [ 656.610110] aoecmd_cfg+0x279/0x7f0 [ 656.613757] ? find_held_lock+0x36/0x1c0 [ 656.617820] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 656.622152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.627705] ? __lock_is_held+0xb5/0x140 [ 656.631781] discover_timer+0x50/0x60 [ 656.635580] call_timer_fn+0x272/0x920 [ 656.639485] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 656.644327] ? process_timeout+0x40/0x40 [ 656.648400] ? mark_held_locks+0xc7/0x130 [ 656.652562] ? _raw_spin_unlock_irq+0x27/0x80 [ 656.657054] ? _raw_spin_unlock_irq+0x27/0x80 [ 656.661547] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 656.666393] ? lockdep_hardirqs_on+0x296/0x5b0 [ 656.670988] ? trace_hardirqs_on+0xbd/0x310 [ 656.675309] ? kasan_check_read+0x11/0x20 [ 656.679454] ? __run_timers+0x7da/0xc70 [ 656.683436] ? trace_hardirqs_off_caller+0x310/0x310 [ 656.688556] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 656.693400] __run_timers+0x7e5/0xc70 [ 656.697221] ? timer_fixup_init+0x70/0x70 [ 656.701390] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 656.706422] ? zap_class+0x640/0x640 [ 656.710145] ? print_usage_bug+0xc0/0xc0 [ 656.714215] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 656.719418] ? find_held_lock+0x36/0x1c0 [ 656.723486] ? zap_class+0x640/0x640 [ 656.727208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.732760] ? check_preemption_disabled+0x48/0x280 [ 656.737801] ? __lock_is_held+0xb5/0x140 [ 656.741867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.747433] ? check_preemption_disabled+0x48/0x280 [ 656.752474] run_timer_softirq+0x52/0xb0 [ 656.756538] ? rcu_read_lock_sched_held+0x14f/0x180 [ 656.761561] __do_softirq+0x308/0xb7e [ 656.765365] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 656.769859] ? lock_downgrade+0x900/0x900 [ 656.774014] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 656.779180] ? pvclock_read_flags+0x160/0x160 [ 656.783707] ? lapic_next_event+0x5a/0x90 [ 656.787859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.793403] ? kvm_clock_read+0x18/0x30 [ 656.797387] ? kvm_sched_clock_read+0x9/0x20 [ 656.801808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 656.807351] ? check_preemption_disabled+0x48/0x280 [ 656.812377] irq_exit+0x17f/0x1c0 [ 656.815843] smp_apic_timer_interrupt+0x1cb/0x760 [ 656.820682] ? smp_reschedule_interrupt+0x109/0x650 [ 656.825702] ? smp_call_function_single_interrupt+0x650/0x650 [ 656.831589] ? interrupt_entry+0xb5/0xc0 [ 656.835655] ? trace_hardirqs_off_caller+0xbb/0x310 [ 656.840699] ? trace_hardirqs_off_caller+0xbb/0x310 [ 656.845719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 656.850563] ? trace_hardirqs_on_caller+0x310/0x310 [ 656.855622] ? trace_hardirqs_on_caller+0x310/0x310 [ 656.860640] ? task_prio+0x50/0x50 [ 656.864189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 656.869729] ? check_preemption_disabled+0x48/0x280 [ 656.874757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 656.879610] apic_timer_interrupt+0xf/0x20 [ 656.883851] [ 656.886103] RIP: 0010:dump_stack+0x20e/0x39d [ 656.890510] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 656.909415] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 656.917124] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 656.924388] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 656.931660] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 656.938930] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 656.946194] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 656.953500] ? dump_stack+0x205/0x39d [ 656.957320] ? dump_stack_print_info.cold.1+0x20/0x20 [ 656.962516] ? mark_held_locks+0x130/0x130 [ 656.966797] ? mark_held_locks+0x130/0x130 [ 656.971041] dump_header+0x27b/0xf72 [ 656.974943] ? pagefault_out_of_memory+0x197/0x197 [ 656.979885] ? __lock_acquire+0x62f/0x4c20 [ 656.984137] ? percpu_ref_get_many+0x240/0x240 [ 656.988727] ? print_usage_bug+0xc0/0xc0 [ 656.992800] ? zap_class+0x640/0x640 [ 656.996523] ? print_usage_bug+0xc0/0xc0 [ 657.000588] ? print_usage_bug+0xc0/0xc0 [ 657.004655] ? zap_class+0x640/0x640 [ 657.008375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.013926] ? find_held_lock+0x36/0x1c0 [ 657.018002] ? mark_held_locks+0xc7/0x130 [ 657.022153] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 657.027261] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 657.032372] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 657.036957] ? trace_hardirqs_on+0xbd/0x310 [ 657.041284] ? kasan_check_read+0x11/0x20 [ 657.045438] ? ___ratelimit+0x3b4/0x672 [ 657.049423] ? trace_hardirqs_off_caller+0x310/0x310 [ 657.054531] ? trace_hardirqs_on+0x310/0x310 [ 657.058945] ? lock_downgrade+0x900/0x900 [ 657.063101] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 657.068205] ? ___ratelimit+0x3b9/0x672 [ 657.072193] ? idr_get_free+0xf70/0xf70 [ 657.076177] ? find_held_lock+0x36/0x1c0 [ 657.080252] oom_kill_process.cold.27+0x10/0x903 [ 657.085012] ? zap_class+0x640/0x640 [ 657.088732] ? check_preemption_disabled+0x48/0x280 [ 657.093757] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 657.098686] ? kasan_check_read+0x11/0x20 [ 657.102836] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 657.108119] ? oom_evaluate_task+0x540/0x540 [ 657.112538] ? find_held_lock+0x36/0x1c0 [ 657.116617] ? out_of_memory+0x974/0x1430 [ 657.120772] ? lock_downgrade+0x900/0x900 [ 657.124921] ? check_preemption_disabled+0x48/0x280 [ 657.129945] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 657.134880] ? kasan_check_read+0x11/0x20 [ 657.139028] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 657.144305] ? rcu_softirq_qs+0x20/0x20 [ 657.148283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.153821] ? oom_evaluate_task+0x302/0x540 [ 657.158238] out_of_memory+0xa84/0x1430 [ 657.162221] ? oom_killer_disable+0x3a0/0x3a0 [ 657.166721] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 657.171655] ? __ww_mutex_check_waiters+0x160/0x160 [ 657.176690] __alloc_pages_slowpath+0x2354/0x2e10 [ 657.181568] ? warn_alloc+0x120/0x120 [ 657.185372] ? mark_held_locks+0x130/0x130 [ 657.189613] ? find_get_entry+0xaae/0x1120 [ 657.193860] ? filemap_map_pages+0x1a20/0x1a20 [ 657.198454] ? zap_class+0x640/0x640 [ 657.202185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.207730] ? check_preemption_disabled+0x48/0x280 [ 657.212751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.218294] ? should_fail+0x22d/0xd01 [ 657.222197] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 657.227304] ? zap_class+0x640/0x640 [ 657.231046] ? __lock_is_held+0xb5/0x140 [ 657.235122] ? mark_held_locks+0x130/0x130 [ 657.239360] ? lock_release+0xa00/0xa00 [ 657.243337] ? perf_trace_sched_process_exec+0x860/0x860 [ 657.248797] ? xa_load+0x2ba/0x460 [ 657.252350] ? lock_downgrade+0x900/0x900 [ 657.256513] ? __might_sleep+0x95/0x190 [ 657.260496] __alloc_pages_nodemask+0xa80/0xde0 [ 657.265180] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 657.270209] ? __page_cache_alloc+0x191/0x5c0 [ 657.274706] ? xa_load+0x2e1/0x460 [ 657.278250] ? xa_clear_mark+0x40/0x40 [ 657.282147] ? zap_class+0x640/0x640 [ 657.285877] ? zap_class+0x640/0x640 [ 657.289596] ? zap_class+0x640/0x640 [ 657.293313] ? __do_page_cache_readahead+0x663/0x810 [ 657.298430] ? find_held_lock+0x36/0x1c0 [ 657.302506] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 657.308072] alloc_pages_current+0x173/0x350 [ 657.312491] __page_cache_alloc+0x38c/0x5c0 [ 657.316812] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 657.321753] ? kasan_check_read+0x11/0x20 [ 657.325913] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 657.331205] ? generic_perform_write+0x6a0/0x6a0 [ 657.335973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.341523] ? check_preemption_disabled+0x48/0x280 [ 657.346564] filemap_fault+0x1595/0x25f0 [ 657.350652] ? __lock_page_or_retry+0xa00/0xa00 [ 657.355336] ? mark_held_locks+0x130/0x130 [ 657.359593] ? filemap_map_pages+0xd6b/0x1a20 [ 657.364104] ? lock_downgrade+0x900/0x900 [ 657.368265] ? check_preemption_disabled+0x48/0x280 [ 657.373290] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 657.378227] ? kasan_check_read+0x11/0x20 [ 657.382379] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 657.387668] ? rcu_softirq_qs+0x20/0x20 [ 657.391658] ? filemap_map_pages+0xd92/0x1a20 [ 657.396175] ? find_get_entries_tag+0x1400/0x1400 [ 657.401029] ? debug_object_destroy+0x2b0/0x2b0 [ 657.405701] ? lock_pi_update_atomic+0x150/0x150 [ 657.410464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.416015] ? lock_acquire+0x1ed/0x520 [ 657.419994] ? ext4_filemap_fault+0x7a/0xad [ 657.424325] ? lock_release+0xa00/0xa00 [ 657.428301] ? perf_trace_sched_process_exec+0x860/0x860 [ 657.433753] ? print_usage_bug+0xc0/0xc0 [ 657.437821] ? print_usage_bug+0xc0/0xc0 [ 657.441893] ? down_read+0x8d/0x120 [ 657.445522] ? ext4_filemap_fault+0x7a/0xad [ 657.449854] ? __down_interruptible+0x700/0x700 [ 657.454534] ext4_filemap_fault+0x82/0xad [ 657.458689] __do_fault+0x100/0x6b0 [ 657.462315] ? find_held_lock+0x36/0x1c0 [ 657.466384] ? pmd_devmap_trans_unstable+0x220/0x220 [ 657.471498] ? mark_held_locks+0x130/0x130 [ 657.475738] ? mark_held_locks+0x130/0x130 [ 657.479982] ? debug_smp_processor_id+0x1c/0x20 [ 657.484649] ? perf_trace_lock+0x14d/0x7a0 [ 657.488886] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 657.493479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.499025] __handle_mm_fault+0x3ea0/0x5be0 [ 657.503456] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 657.508301] ? lock_is_held_type+0x210/0x210 [ 657.512717] ? preempt_notifier_register+0x200/0x200 [ 657.517817] ? __switch_to_asm+0x34/0x70 [ 657.521875] ? __switch_to_asm+0x34/0x70 [ 657.525953] ? zap_class+0x640/0x640 [ 657.529670] ? zap_class+0x640/0x640 [ 657.533395] ? __x64_sys_futex+0x53e/0x6a0 [ 657.537649] ? find_held_lock+0x36/0x1c0 [ 657.541725] ? handle_mm_fault+0x42a/0xc70 [ 657.545964] ? lock_downgrade+0x900/0x900 [ 657.550114] ? check_preemption_disabled+0x48/0x280 [ 657.555138] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 657.560085] ? kasan_check_read+0x11/0x20 [ 657.564242] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 657.569522] ? rcu_softirq_qs+0x20/0x20 [ 657.573505] ? trace_hardirqs_off_caller+0x310/0x310 [ 657.578616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.584159] ? check_preemption_disabled+0x48/0x280 [ 657.589202] handle_mm_fault+0x54f/0xc70 [ 657.593274] ? __handle_mm_fault+0x5be0/0x5be0 [ 657.597861] ? find_vma+0x34/0x190 [ 657.601416] __do_page_fault+0x5e8/0xe60 [ 657.605478] ? trace_hardirqs_off+0xb8/0x310 [ 657.609901] do_page_fault+0xf2/0x7e0 [ 657.613705] ? vmalloc_sync_all+0x30/0x30 [ 657.617854] ? error_entry+0x70/0xd0 [ 657.621572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 657.626590] ? trace_hardirqs_on_caller+0xc0/0x310 [ 657.631520] ? syscall_return_slowpath+0x5e0/0x5e0 [ 657.636450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 657.641297] ? trace_hardirqs_on_caller+0x310/0x310 [ 657.646313] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 657.651773] ? prepare_exit_to_usermode+0x291/0x3b0 [ 657.656791] ? page_fault+0x8/0x30 [ 657.660336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 657.665190] ? page_fault+0x8/0x30 [ 657.668734] page_fault+0x1e/0x30 [ 657.672191] RIP: 0033:0x40f9c0 [ 657.675402] Code: Bad RIP value. [ 657.678772] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 657.684135] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 657.691400] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 657.698680] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 657.705963] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 657.713230] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 657.720529] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 657.720611] aoe: skb alloc failure [ 657.727807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 657.727812] Call Trace: [ 657.727819] [ 657.727842] dump_stack+0x244/0x39d [ 657.727861] ? dump_stack_print_info.cold.1+0x20/0x20 [ 657.731422] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 657.740738] warn_alloc.cold.116+0xb7/0x1bd [ 657.743295] syz-fuzzer cpuset=/ mems_allowed=0 [ 657.745448] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 657.778153] ? lock_downgrade+0x900/0x900 [ 657.782313] ? trace_hardirqs_off+0xb8/0x310 [ 657.786732] ? trace_hardirqs_off+0xb8/0x310 [ 657.791152] __alloc_pages_slowpath+0x26e8/0x2e10 [ 657.796031] ? warn_alloc+0x120/0x120 [ 657.799840] ? print_usage_bug+0xc0/0xc0 [ 657.803908] ? warn_alloc+0x120/0x120 [ 657.807718] ? warn_alloc+0x120/0x120 [ 657.811520] ? print_usage_bug+0xc0/0xc0 [ 657.815583] ? kvm_clock_read+0x18/0x30 [ 657.819564] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 657.824586] ? print_usage_bug+0xc0/0xc0 [ 657.828651] ? __lock_acquire+0x62f/0x4c20 [ 657.832901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 657.838464] ? should_fail+0x22d/0xd01 [ 657.842355] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 657.847641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 657.852755] ? __lock_acquire+0x62f/0x4c20 [ 657.856997] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 657.862099] ? __lock_acquire+0x62f/0x4c20 [ 657.866332] ? should_fail+0x22d/0xd01 [ 657.870220] ? rcu_irq_exit+0x1a2/0x390 [ 657.874204] ? mark_held_locks+0x130/0x130 [ 657.878456] ? mark_held_locks+0x130/0x130 [ 657.882705] ? mark_held_locks+0xc7/0x130 [ 657.886855] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 657.891879] ? zap_class+0x640/0x640 [ 657.895594] ? print_usage_bug+0xc0/0xc0 [ 657.899662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.905207] ? check_preemption_disabled+0x48/0x280 [ 657.910239] ? __lock_is_held+0xb5/0x140 [ 657.914308] __alloc_pages_nodemask+0xa80/0xde0 [ 657.918982] ? zap_class+0x640/0x640 [ 657.922705] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 657.927735] ? find_held_lock+0x36/0x1c0 [ 657.931813] ? ____cache_alloc_node+0x1c7/0x1e0 [ 657.936490] ? lock_downgrade+0x900/0x900 [ 657.940652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.946205] cache_grow_begin+0xa5/0x8c0 [ 657.950269] ? do_raw_spin_unlock+0xa7/0x330 [ 657.954694] fallback_alloc+0x204/0x2e0 [ 657.958688] ____cache_alloc_node+0x1c7/0x1e0 [ 657.963195] kmem_cache_alloc_node+0xe3/0x730 [ 657.967696] ? ipv6_get_ifaddr+0x42e/0x620 [ 657.971944] __alloc_skb+0x119/0x770 [ 657.975661] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 657.980952] ? netdev_alloc_frag+0x1f0/0x1f0 [ 657.985365] ? lock_downgrade+0x900/0x900 [ 657.989523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 657.995066] ? refcount_sub_and_test_checked+0x203/0x310 [ 658.000521] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 658.005973] ? addrconf_rs_timer+0x690/0x690 [ 658.010394] ndisc_alloc_skb+0x144/0x340 [ 658.014470] ndisc_send_rs+0x331/0x6e0 [ 658.018363] addrconf_rs_timer+0x314/0x690 [ 658.022604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.026850] call_timer_fn+0x272/0x920 [ 658.030738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.034975] ? process_timeout+0x40/0x40 [ 658.039045] ? __run_timers+0x7da/0xc70 [ 658.043025] ? _raw_spin_unlock_irq+0x27/0x80 [ 658.047524] ? _raw_spin_unlock_irq+0x27/0x80 [ 658.052024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.056263] ? lockdep_hardirqs_on+0x296/0x5b0 [ 658.060849] ? trace_hardirqs_on+0xbd/0x310 [ 658.065176] ? kasan_check_read+0x11/0x20 [ 658.069325] ? __run_timers+0x7da/0xc70 [ 658.073302] ? trace_hardirqs_off_caller+0x310/0x310 [ 658.078418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.082662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 658.086904] __run_timers+0x7e5/0xc70 [ 658.090717] ? timer_fixup_init+0x70/0x70 [ 658.094875] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 658.099892] ? zap_class+0x640/0x640 [ 658.103617] ? enqueue_hrtimer+0x1a5/0x560 [ 658.108062] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 658.113263] ? find_held_lock+0x36/0x1c0 [ 658.117331] ? zap_class+0x640/0x640 [ 658.121052] ? pvclock_read_flags+0x160/0x160 [ 658.125551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.131097] ? check_preemption_disabled+0x48/0x280 [ 658.136130] ? __lock_is_held+0xb5/0x140 [ 658.140196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.145740] ? check_preemption_disabled+0x48/0x280 [ 658.150771] run_timer_softirq+0x52/0xb0 [ 658.154839] ? rcu_read_lock_sched_held+0x14f/0x180 [ 658.159864] __do_softirq+0x308/0xb7e [ 658.163673] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 658.168172] ? lock_downgrade+0x900/0x900 [ 658.172328] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 658.177447] ? pvclock_read_flags+0x160/0x160 [ 658.181953] ? lapic_next_event+0x5a/0x90 [ 658.186109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.191656] ? kvm_clock_read+0x18/0x30 [ 658.195634] ? kvm_sched_clock_read+0x9/0x20 [ 658.200047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.205592] ? check_preemption_disabled+0x48/0x280 [ 658.210623] irq_exit+0x17f/0x1c0 [ 658.214086] smp_apic_timer_interrupt+0x1cb/0x760 [ 658.218931] ? smp_reschedule_interrupt+0x109/0x650 [ 658.223948] ? smp_call_function_single_interrupt+0x650/0x650 [ 658.229846] ? interrupt_entry+0xb5/0xc0 [ 658.233913] ? trace_hardirqs_off_caller+0xbb/0x310 [ 658.238928] ? trace_hardirqs_off_caller+0xbb/0x310 [ 658.243946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 658.248794] ? trace_hardirqs_on_caller+0x310/0x310 [ 658.253814] ? trace_hardirqs_on_caller+0x310/0x310 [ 658.258845] ? task_prio+0x50/0x50 [ 658.262396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.267947] ? check_preemption_disabled+0x48/0x280 [ 658.272976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 658.277831] apic_timer_interrupt+0xf/0x20 [ 658.282062] [ 658.284307] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 658.289235] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 658.308143] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 658.315851] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 658.323120] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 658.330388] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 658.337666] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 658.344938] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 658.352255] skb_clone+0x1bb/0x500 [ 658.355798] ? finish_task_switch+0x1b4/0x910 [ 658.360298] ? skb_split+0x11e0/0x11e0 [ 658.364190] ? preempt_notifier_register+0x200/0x200 [ 658.369295] ? __switch_to_asm+0x34/0x70 [ 658.373360] ? __switch_to_asm+0x34/0x70 [ 658.377426] ? __switch_to_asm+0x40/0x70 [ 658.381489] ? __switch_to_asm+0x34/0x70 [ 658.385549] ? __switch_to_asm+0x40/0x70 [ 658.389609] ? __switch_to_asm+0x34/0x70 [ 658.393675] ? __switch_to_asm+0x40/0x70 [ 658.397735] ? __switch_to_asm+0x34/0x70 [ 658.401795] ? __switch_to_asm+0x34/0x70 [ 658.405853] ? __switch_to_asm+0x40/0x70 [ 658.409912] ? __switch_to_asm+0x34/0x70 [ 658.413987] bpf_clone_redirect+0xb9/0x490 [ 658.418241] ? __schedule+0x8d7/0x21d0 [ 658.422142] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 658.427162] ? __sched_text_start+0x8/0x8 [ 658.431314] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 658.435899] ? retint_kernel+0x2d/0x2d [ 658.439787] ? trace_hardirqs_on_caller+0xc0/0x310 [ 658.444722] ? find_held_lock+0x36/0x1c0 [ 658.448798] ? lock_acquire+0x1ed/0x520 [ 658.452776] ? bpf_test_run+0x3cb/0x780 [ 658.456757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 658.462299] ? check_preemption_disabled+0x48/0x280 [ 658.467327] ? kasan_check_read+0x11/0x20 [ 658.471477] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 658.476757] ? rcu_softirq_qs+0x20/0x20 [ 658.480735] ? preempt_schedule+0x4d/0x60 [ 658.484889] ? ___preempt_schedule+0x16/0x18 [ 658.489308] ? bpf_test_run+0x25d/0x780 [ 658.493299] ? netlink_diag_dump+0x2a0/0x2a0 [ 658.497714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 658.503259] ? bpf_test_init.isra.10+0x70/0x100 [ 658.507941] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 658.512721] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 658.517579] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 658.523126] ? fput+0x130/0x1a0 [ 658.526416] ? __bpf_prog_get+0x9b/0x290 [ 658.530489] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 658.535332] ? bpf_prog_test_run+0x130/0x1a0 [ 658.539751] ? __x64_sys_bpf+0x3d8/0x520 [ 658.543814] ? bpf_prog_get+0x20/0x20 [ 658.547639] ? do_syscall_64+0x1b9/0x820 [ 658.551710] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 658.557099] ? syscall_return_slowpath+0x5e0/0x5e0 [ 658.562040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 658.566891] ? trace_hardirqs_on_caller+0x310/0x310 [ 658.571912] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 658.576933] ? prepare_exit_to_usermode+0x291/0x3b0 [ 658.581956] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 658.586809] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 658.592187] warn_alloc_show_mem: 1 callbacks suppressed [ 658.592199] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 658.592201] Mem-Info: [ 658.592233] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 658.592233] active_file:14 inactive_file:14 isolated_file:0 [ 658.592233] unevictable:0 dirty:0 writeback:0 unstable:0 [ 658.592233] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 658.592233] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 658.592233] free:13772 free_pcp:380 free_cma:0 [ 658.597577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 658.604594] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 658.606998] Call Trace: [ 658.640131] 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 [ 658.649478] [ 658.677314] lowmem_reserve[]: 0 2818 6321 6321 [ 658.679906] dump_stack+0x244/0x39d [ 658.705986] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 658.708147] ? dump_stack_print_info.cold.1+0x20/0x20 [ 658.712686] lowmem_reserve[]: 0 0 3503 3503 [ 658.716329] warn_alloc.cold.116+0xb7/0x1bd [ 658.743821] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 658.749032] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 658.753327] lowmem_reserve[]: 0 0 0 0 [ 658.757651] ? lock_downgrade+0x900/0x900 [ 658.786776] 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 [ 658.791630] ? trace_hardirqs_off+0xb8/0x310 [ 658.795399] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 658.799555] ? trace_hardirqs_off+0xb8/0x310 [ 658.813049] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 658.817460] __alloc_pages_slowpath+0x26e8/0x2e10 [ 658.832704] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 658.837131] ? warn_alloc+0x120/0x120 [ 658.851473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 658.851482] 12557 total pagecache pages [ 658.856325] ? warn_alloc+0x120/0x120 [ 658.865136] 0 pages in swap cache [ 658.868926] ? __lock_acquire+0x62f/0x4c20 [ 658.877468] Swap cache stats: add 0, delete 0, find 0/0 [ 658.877477] Free swap = 0kB [ 658.881448] ? warn_alloc+0x120/0x120 [ 658.885228] Total swap = 0kB [ 658.888675] ? print_usage_bug+0xc0/0xc0 [ 658.892888] 1965979 pages RAM [ 658.898252] ? print_usage_bug+0xc0/0xc0 [ 658.901243] 0 pages HighMem/MovableOnly [ 658.905040] ? mark_held_locks+0x130/0x130 [ 658.908024] 342853 pages reserved [ 658.908032] 0 pages cma reserved [ 658.912094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 658.915235] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 658.919225] ? should_fail+0x22d/0xd01 [ 658.919239] ? zap_class+0x640/0x640 [ 658.919256] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 658.923334] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 658.927453] ? __lock_acquire+0x62f/0x4c20 [ 658.930881] syz-executor1 cpuset=syz1 mems_allowed=0 [ 658.934243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 658.983972] ? should_fail+0x22d/0xd01 [ 658.987888] ? mark_held_locks+0x130/0x130 [ 658.992131] ? mark_held_locks+0x130/0x130 [ 658.996364] ? lock_downgrade+0x900/0x900 [ 659.001566] ? zap_class+0x640/0x640 [ 659.005284] ? zap_class+0x640/0x640 [ 659.009346] ? zap_class+0x640/0x640 [ 659.013058] ? do_raw_spin_unlock+0xa7/0x330 [ 659.017469] ? trace_hardirqs_on+0x310/0x310 [ 659.021884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.027433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.032980] ? check_preemption_disabled+0x48/0x280 [ 659.038009] ? __lock_is_held+0xb5/0x140 [ 659.042077] __alloc_pages_nodemask+0xa80/0xde0 [ 659.046749] ? zap_class+0x640/0x640 [ 659.050471] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 659.055502] ? find_held_lock+0x36/0x1c0 [ 659.059580] ? ____cache_alloc_node+0x1c7/0x1e0 [ 659.064256] ? lock_downgrade+0x900/0x900 [ 659.068421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.073970] cache_grow_begin+0xa5/0x8c0 [ 659.078033] ? do_raw_spin_unlock+0xa7/0x330 [ 659.082458] fallback_alloc+0x204/0x2e0 [ 659.086454] ____cache_alloc_node+0x1c7/0x1e0 [ 659.090961] kmem_cache_alloc_node+0xe3/0x730 [ 659.095467] ? lockdep_hardirqs_on+0x296/0x5b0 [ 659.100068] __alloc_skb+0x119/0x770 [ 659.103784] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 659.109163] ? netdev_alloc_frag+0x1f0/0x1f0 [ 659.113593] ? vprintk_default+0x28/0x30 [ 659.117659] ? vprintk_func+0x85/0x181 [ 659.121551] ? printk+0xa7/0xcf [ 659.124837] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 659.129609] new_skb+0x26/0x1c0 [ 659.132892] aoecmd_cfg+0x279/0x7f0 [ 659.136523] ? find_held_lock+0x36/0x1c0 [ 659.140594] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 659.144925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.150478] ? __lock_is_held+0xb5/0x140 [ 659.154557] discover_timer+0x50/0x60 [ 659.158361] call_timer_fn+0x272/0x920 [ 659.162250] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 659.167095] ? process_timeout+0x40/0x40 [ 659.171168] ? mark_held_locks+0xc7/0x130 [ 659.175326] ? _raw_spin_unlock_irq+0x27/0x80 [ 659.179835] ? _raw_spin_unlock_irq+0x27/0x80 [ 659.184332] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 659.189183] ? lockdep_hardirqs_on+0x296/0x5b0 [ 659.193774] ? trace_hardirqs_on+0xbd/0x310 [ 659.198101] ? kasan_check_read+0x11/0x20 [ 659.202261] ? __run_timers+0x7da/0xc70 [ 659.206243] ? trace_hardirqs_off_caller+0x310/0x310 [ 659.211379] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 659.216233] __run_timers+0x7e5/0xc70 [ 659.220049] ? timer_fixup_init+0x70/0x70 [ 659.224221] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 659.229245] ? zap_class+0x640/0x640 [ 659.232967] ? print_usage_bug+0xc0/0xc0 [ 659.237033] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 659.242234] ? find_held_lock+0x36/0x1c0 [ 659.246301] ? zap_class+0x640/0x640 [ 659.250027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.255569] ? check_preemption_disabled+0x48/0x280 [ 659.260596] ? __lock_is_held+0xb5/0x140 [ 659.264665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.270212] ? check_preemption_disabled+0x48/0x280 [ 659.275247] run_timer_softirq+0x52/0xb0 [ 659.279326] ? rcu_read_lock_sched_held+0x14f/0x180 [ 659.284346] __do_softirq+0x308/0xb7e [ 659.288176] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 659.292673] ? lock_downgrade+0x900/0x900 [ 659.296828] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 659.301941] ? pvclock_read_flags+0x160/0x160 [ 659.306445] ? lapic_next_event+0x5a/0x90 [ 659.310604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.316149] ? kvm_clock_read+0x18/0x30 [ 659.320145] ? kvm_sched_clock_read+0x9/0x20 [ 659.324563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.330108] ? check_preemption_disabled+0x48/0x280 [ 659.335135] irq_exit+0x17f/0x1c0 [ 659.338595] smp_apic_timer_interrupt+0x1cb/0x760 [ 659.343442] ? smp_reschedule_interrupt+0x109/0x650 [ 659.348462] ? smp_call_function_single_interrupt+0x650/0x650 [ 659.354347] ? interrupt_entry+0xb5/0xc0 [ 659.358418] ? trace_hardirqs_off_caller+0xbb/0x310 [ 659.363440] ? trace_hardirqs_off_caller+0xbb/0x310 [ 659.368462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.373310] ? trace_hardirqs_on_caller+0x310/0x310 [ 659.378330] ? trace_hardirqs_on_caller+0x310/0x310 [ 659.383360] ? task_prio+0x50/0x50 [ 659.386904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.392451] ? check_preemption_disabled+0x48/0x280 [ 659.397476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.402328] apic_timer_interrupt+0xf/0x20 [ 659.406559] [ 659.408798] RIP: 0010:dump_stack+0x20e/0x39d [ 659.413207] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 659.432121] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 659.439837] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 659.447103] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 659.454370] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 659.461638] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 659.468903] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 659.476248] ? dump_stack+0x205/0x39d [ 659.480070] ? dump_stack_print_info.cold.1+0x20/0x20 [ 659.485263] ? mark_held_locks+0x130/0x130 [ 659.489497] ? mark_held_locks+0x130/0x130 [ 659.493742] dump_header+0x27b/0xf72 [ 659.497489] ? pagefault_out_of_memory+0x197/0x197 [ 659.502436] ? __lock_acquire+0x62f/0x4c20 [ 659.506678] ? percpu_ref_get_many+0x240/0x240 [ 659.511311] ? print_usage_bug+0xc0/0xc0 [ 659.515378] ? zap_class+0x640/0x640 [ 659.519102] ? print_usage_bug+0xc0/0xc0 [ 659.523161] ? print_usage_bug+0xc0/0xc0 [ 659.527230] ? zap_class+0x640/0x640 [ 659.530948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.536487] ? find_held_lock+0x36/0x1c0 [ 659.540574] ? mark_held_locks+0xc7/0x130 [ 659.544728] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 659.549829] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 659.554936] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 659.559525] ? trace_hardirqs_on+0xbd/0x310 [ 659.563850] ? kasan_check_read+0x11/0x20 [ 659.567999] ? ___ratelimit+0x3b4/0x672 [ 659.571979] ? trace_hardirqs_off_caller+0x310/0x310 [ 659.577084] ? trace_hardirqs_on+0x310/0x310 [ 659.581496] ? lock_downgrade+0x900/0x900 [ 659.585666] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 659.590773] ? ___ratelimit+0x3b9/0x672 [ 659.594750] ? idr_get_free+0xf70/0xf70 [ 659.598728] ? find_held_lock+0x36/0x1c0 [ 659.602800] oom_kill_process.cold.27+0x10/0x903 [ 659.607558] ? zap_class+0x640/0x640 [ 659.611274] ? check_preemption_disabled+0x48/0x280 [ 659.616292] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 659.621219] ? kasan_check_read+0x11/0x20 [ 659.625367] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 659.630647] ? oom_evaluate_task+0x540/0x540 [ 659.635059] ? find_held_lock+0x36/0x1c0 [ 659.639129] ? out_of_memory+0x974/0x1430 [ 659.643275] ? lock_downgrade+0x900/0x900 [ 659.647453] ? check_preemption_disabled+0x48/0x280 [ 659.652482] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 659.657421] ? kasan_check_read+0x11/0x20 [ 659.661577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 659.666858] ? rcu_softirq_qs+0x20/0x20 [ 659.670843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.676385] ? oom_evaluate_task+0x302/0x540 [ 659.680809] out_of_memory+0xa84/0x1430 [ 659.684802] ? oom_killer_disable+0x3a0/0x3a0 [ 659.689302] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 659.694238] ? __ww_mutex_check_waiters+0x160/0x160 [ 659.699267] __alloc_pages_slowpath+0x2354/0x2e10 [ 659.704142] ? warn_alloc+0x120/0x120 [ 659.707954] ? mark_held_locks+0x130/0x130 [ 659.712203] ? find_get_entry+0xaae/0x1120 [ 659.716501] ? filemap_map_pages+0x1a20/0x1a20 [ 659.721092] ? zap_class+0x640/0x640 [ 659.724813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.730355] ? check_preemption_disabled+0x48/0x280 [ 659.735385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.740933] ? should_fail+0x22d/0xd01 [ 659.744832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 659.749943] ? zap_class+0x640/0x640 [ 659.753685] ? __lock_is_held+0xb5/0x140 [ 659.757757] ? mark_held_locks+0x130/0x130 [ 659.761996] ? lock_release+0xa00/0xa00 [ 659.765975] ? perf_trace_sched_process_exec+0x860/0x860 [ 659.771440] ? xa_load+0x2ba/0x460 [ 659.774988] ? lock_downgrade+0x900/0x900 [ 659.779142] ? __might_sleep+0x95/0x190 [ 659.783126] __alloc_pages_nodemask+0xa80/0xde0 [ 659.787810] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 659.792830] ? __page_cache_alloc+0x191/0x5c0 [ 659.797328] ? xa_load+0x2e1/0x460 [ 659.800877] ? xa_clear_mark+0x40/0x40 [ 659.804770] ? zap_class+0x640/0x640 [ 659.808497] ? zap_class+0x640/0x640 [ 659.812210] ? zap_class+0x640/0x640 [ 659.815927] ? __do_page_cache_readahead+0x663/0x810 [ 659.821039] ? find_held_lock+0x36/0x1c0 [ 659.825108] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 659.830655] alloc_pages_current+0x173/0x350 [ 659.835077] __page_cache_alloc+0x38c/0x5c0 [ 659.839398] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 659.844337] ? kasan_check_read+0x11/0x20 [ 659.848484] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 659.853763] ? generic_perform_write+0x6a0/0x6a0 [ 659.858526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 659.864067] ? check_preemption_disabled+0x48/0x280 [ 659.869095] filemap_fault+0x1595/0x25f0 [ 659.873177] ? __lock_page_or_retry+0xa00/0xa00 [ 659.877867] ? mark_held_locks+0x130/0x130 [ 659.882121] ? filemap_map_pages+0xd6b/0x1a20 [ 659.886626] ? lock_downgrade+0x900/0x900 [ 659.890782] ? check_preemption_disabled+0x48/0x280 [ 659.895809] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 659.900738] ? kasan_check_read+0x11/0x20 [ 659.904884] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 659.910165] ? rcu_softirq_qs+0x20/0x20 [ 659.914178] ? filemap_map_pages+0xd92/0x1a20 [ 659.918693] ? find_get_entries_tag+0x1400/0x1400 [ 659.923542] ? debug_object_destroy+0x2b0/0x2b0 [ 659.928216] ? lock_pi_update_atomic+0x150/0x150 [ 659.932974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 659.938532] ? lock_acquire+0x1ed/0x520 [ 659.942512] ? ext4_filemap_fault+0x7a/0xad [ 659.946853] ? lock_release+0xa00/0xa00 [ 659.950829] ? perf_trace_sched_process_exec+0x860/0x860 [ 659.956286] ? print_usage_bug+0xc0/0xc0 [ 659.960355] ? print_usage_bug+0xc0/0xc0 [ 659.964436] ? down_read+0x8d/0x120 [ 659.968063] ? ext4_filemap_fault+0x7a/0xad [ 659.972390] ? __down_interruptible+0x700/0x700 [ 659.977082] ext4_filemap_fault+0x82/0xad [ 659.981236] __do_fault+0x100/0x6b0 [ 659.984866] ? find_held_lock+0x36/0x1c0 [ 659.988935] ? pmd_devmap_trans_unstable+0x220/0x220 [ 659.994042] ? mark_held_locks+0x130/0x130 [ 659.998281] ? mark_held_locks+0x130/0x130 [ 660.002525] ? debug_smp_processor_id+0x1c/0x20 [ 660.007200] ? perf_trace_lock+0x14d/0x7a0 [ 660.011448] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 660.016038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 660.021583] __handle_mm_fault+0x3ea0/0x5be0 [ 660.026003] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 660.030847] ? lock_is_held_type+0x210/0x210 [ 660.035267] ? preempt_notifier_register+0x200/0x200 [ 660.040372] ? __switch_to_asm+0x34/0x70 [ 660.044437] ? __switch_to_asm+0x34/0x70 [ 660.048515] ? zap_class+0x640/0x640 [ 660.052233] ? zap_class+0x640/0x640 [ 660.055949] ? __x64_sys_futex+0x53e/0x6a0 [ 660.060194] ? find_held_lock+0x36/0x1c0 [ 660.064271] ? handle_mm_fault+0x42a/0xc70 [ 660.068515] ? lock_downgrade+0x900/0x900 [ 660.072664] ? check_preemption_disabled+0x48/0x280 [ 660.077684] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 660.082614] ? kasan_check_read+0x11/0x20 [ 660.086763] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 660.092040] ? rcu_softirq_qs+0x20/0x20 [ 660.096013] ? trace_hardirqs_off_caller+0x310/0x310 [ 660.101120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 660.107112] ? check_preemption_disabled+0x48/0x280 [ 660.112142] handle_mm_fault+0x54f/0xc70 [ 660.116226] ? __handle_mm_fault+0x5be0/0x5be0 [ 660.120821] ? find_vma+0x34/0x190 [ 660.124367] __do_page_fault+0x5e8/0xe60 [ 660.128448] ? trace_hardirqs_off+0xb8/0x310 [ 660.132899] do_page_fault+0xf2/0x7e0 [ 660.136704] ? vmalloc_sync_all+0x30/0x30 [ 660.140855] ? error_entry+0x70/0xd0 [ 660.144571] ? trace_hardirqs_off_caller+0xbb/0x310 [ 660.149589] ? trace_hardirqs_on_caller+0xc0/0x310 [ 660.154522] ? syscall_return_slowpath+0x5e0/0x5e0 [ 660.159451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.164322] ? trace_hardirqs_on_caller+0x310/0x310 [ 660.169353] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 660.174839] ? prepare_exit_to_usermode+0x291/0x3b0 [ 660.179855] ? page_fault+0x8/0x30 [ 660.183404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.188260] ? page_fault+0x8/0x30 [ 660.191806] page_fault+0x1e/0x30 [ 660.195262] RIP: 0033:0x40f9c0 [ 660.198463] Code: Bad RIP value. [ 660.201823] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 660.207207] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 660.214491] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 660.221757] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 660.229022] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 660.236288] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 660.243588] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 660.243651] aoe: skb alloc failure [ 660.250864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 660.250870] Call Trace: [ 660.250877] [ 660.250898] dump_stack+0x244/0x39d [ 660.250917] ? dump_stack_print_info.cold.1+0x20/0x20 [ 660.254501] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 660.263833] warn_alloc.cold.116+0xb7/0x1bd [ 660.266389] syz-fuzzer cpuset=/ mems_allowed=0 [ 660.268543] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 660.301252] ? lock_downgrade+0x900/0x900 [ 660.305422] ? trace_hardirqs_off+0xb8/0x310 [ 660.309837] ? trace_hardirqs_off+0xb8/0x310 [ 660.314257] __alloc_pages_slowpath+0x26e8/0x2e10 [ 660.319133] ? warn_alloc+0x120/0x120 [ 660.322938] ? print_usage_bug+0xc0/0xc0 [ 660.327004] ? warn_alloc+0x120/0x120 [ 660.330808] ? warn_alloc+0x120/0x120 [ 660.334609] ? print_usage_bug+0xc0/0xc0 [ 660.338681] ? print_usage_bug+0xc0/0xc0 [ 660.342748] ? __lock_acquire+0x62f/0x4c20 [ 660.346992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 660.352530] ? should_fail+0x22d/0xd01 [ 660.356432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 660.361540] ? __lock_acquire+0x62f/0x4c20 [ 660.365783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 660.370887] ? __lock_acquire+0x62f/0x4c20 [ 660.375125] ? should_fail+0x22d/0xd01 [ 660.379027] ? mark_held_locks+0x130/0x130 [ 660.383269] ? mark_held_locks+0x130/0x130 [ 660.387504] ? try_to_wake_up+0x11c/0x1490 [ 660.391742] ? lock_downgrade+0x900/0x900 [ 660.395898] ? zap_class+0x640/0x640 [ 660.399612] ? print_usage_bug+0xc0/0xc0 [ 660.403681] ? trace_hardirqs_off+0xb8/0x310 [ 660.408091] ? kasan_check_read+0x11/0x20 [ 660.412243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.417783] ? check_preemption_disabled+0x48/0x280 [ 660.422811] ? __lock_is_held+0xb5/0x140 [ 660.426884] __alloc_pages_nodemask+0xa80/0xde0 [ 660.431571] ? zap_class+0x640/0x640 [ 660.435295] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 660.440321] ? find_held_lock+0x36/0x1c0 [ 660.444395] ? ____cache_alloc_node+0x1c7/0x1e0 [ 660.449072] ? lock_downgrade+0x900/0x900 [ 660.453230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.458777] cache_grow_begin+0xa5/0x8c0 [ 660.462840] ? do_raw_spin_unlock+0xa7/0x330 [ 660.467257] fallback_alloc+0x204/0x2e0 [ 660.471252] ____cache_alloc_node+0x1c7/0x1e0 [ 660.475755] kmem_cache_alloc_node+0xe3/0x730 [ 660.480295] ? ipv6_get_ifaddr+0x42e/0x620 [ 660.484546] __alloc_skb+0x119/0x770 [ 660.488261] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 660.493541] ? netdev_alloc_frag+0x1f0/0x1f0 [ 660.497953] ? lock_downgrade+0x900/0x900 [ 660.502113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.507653] ? refcount_sub_and_test_checked+0x203/0x310 [ 660.513116] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 660.518570] ? addrconf_rs_timer+0x690/0x690 [ 660.522994] ndisc_alloc_skb+0x144/0x340 [ 660.527063] ndisc_send_rs+0x331/0x6e0 [ 660.530957] addrconf_rs_timer+0x314/0x690 [ 660.535204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 660.539454] call_timer_fn+0x272/0x920 [ 660.543342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 660.547575] ? process_timeout+0x40/0x40 [ 660.551643] ? __run_timers+0x7da/0xc70 [ 660.555625] ? _raw_spin_unlock_irq+0x27/0x80 [ 660.560119] ? _raw_spin_unlock_irq+0x27/0x80 [ 660.564617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 660.568854] ? lockdep_hardirqs_on+0x296/0x5b0 [ 660.573442] ? trace_hardirqs_on+0xbd/0x310 [ 660.577783] ? kasan_check_read+0x11/0x20 [ 660.581930] ? __run_timers+0x7da/0xc70 [ 660.585904] ? trace_hardirqs_off_caller+0x310/0x310 [ 660.591010] ? __queue_work+0x1440/0x1440 [ 660.595169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 660.599458] __run_timers+0x7e5/0xc70 [ 660.603318] ? timer_fixup_init+0x70/0x70 [ 660.607489] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 660.612508] ? zap_class+0x640/0x640 [ 660.616229] ? enqueue_hrtimer+0x1a5/0x560 [ 660.620467] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 660.625665] ? find_held_lock+0x36/0x1c0 [ 660.629743] ? zap_class+0x640/0x640 [ 660.633501] ? pvclock_read_flags+0x160/0x160 [ 660.638000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.643549] ? check_preemption_disabled+0x48/0x280 [ 660.648581] ? __lock_is_held+0xb5/0x140 [ 660.652646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.658188] ? check_preemption_disabled+0x48/0x280 [ 660.663215] run_timer_softirq+0x52/0xb0 [ 660.667282] ? rcu_read_lock_sched_held+0x14f/0x180 [ 660.672304] __do_softirq+0x308/0xb7e [ 660.676116] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 660.680609] ? lock_downgrade+0x900/0x900 [ 660.684761] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 660.689873] ? pvclock_read_flags+0x160/0x160 [ 660.694372] ? lapic_next_event+0x5a/0x90 [ 660.698527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.704073] ? kvm_clock_read+0x18/0x30 [ 660.708062] ? kvm_sched_clock_read+0x9/0x20 [ 660.712478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.718020] ? check_preemption_disabled+0x48/0x280 [ 660.723048] irq_exit+0x17f/0x1c0 [ 660.726508] smp_apic_timer_interrupt+0x1cb/0x760 [ 660.731352] ? smp_reschedule_interrupt+0x109/0x650 [ 660.736369] ? smp_call_function_single_interrupt+0x650/0x650 [ 660.742258] ? interrupt_entry+0xb5/0xc0 [ 660.746323] ? trace_hardirqs_off_caller+0xbb/0x310 [ 660.751342] ? trace_hardirqs_off_caller+0xbb/0x310 [ 660.756373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.761220] ? trace_hardirqs_on_caller+0x310/0x310 [ 660.766240] ? trace_hardirqs_on_caller+0x310/0x310 [ 660.771258] ? task_prio+0x50/0x50 [ 660.774799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.780349] ? check_preemption_disabled+0x48/0x280 [ 660.785371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 660.790240] apic_timer_interrupt+0xf/0x20 [ 660.794465] [ 660.796720] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 660.801666] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 660.820568] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 660.828274] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 660.835539] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 660.842803] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 660.850071] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 660.857380] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 660.864704] skb_clone+0x1bb/0x500 [ 660.868246] ? finish_task_switch+0x1b4/0x910 [ 660.872744] ? skb_split+0x11e0/0x11e0 [ 660.876638] ? preempt_notifier_register+0x200/0x200 [ 660.881745] ? __switch_to_asm+0x34/0x70 [ 660.885842] ? __switch_to_asm+0x34/0x70 [ 660.889917] ? __switch_to_asm+0x40/0x70 [ 660.893972] ? __switch_to_asm+0x34/0x70 [ 660.898045] ? __switch_to_asm+0x40/0x70 [ 660.902104] ? __switch_to_asm+0x34/0x70 [ 660.906162] ? __switch_to_asm+0x40/0x70 [ 660.910223] ? __switch_to_asm+0x34/0x70 [ 660.914292] ? __switch_to_asm+0x34/0x70 [ 660.918353] ? __switch_to_asm+0x40/0x70 [ 660.922427] ? __switch_to_asm+0x34/0x70 [ 660.926498] bpf_clone_redirect+0xb9/0x490 [ 660.930735] ? __schedule+0x8d7/0x21d0 [ 660.934629] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 660.939648] ? __sched_text_start+0x8/0x8 [ 660.943806] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 660.948396] ? retint_kernel+0x2d/0x2d [ 660.952299] ? trace_hardirqs_on_caller+0xc0/0x310 [ 660.957234] ? find_held_lock+0x36/0x1c0 [ 660.961303] ? lock_acquire+0x1ed/0x520 [ 660.965277] ? bpf_test_run+0x3cb/0x780 [ 660.969258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 660.975006] ? check_preemption_disabled+0x48/0x280 [ 660.980033] ? kasan_check_read+0x11/0x20 [ 660.984182] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 660.989459] ? rcu_softirq_qs+0x20/0x20 [ 660.993442] ? preempt_schedule+0x4d/0x60 [ 660.997594] ? ___preempt_schedule+0x16/0x18 [ 661.002017] ? bpf_test_run+0x25d/0x780 [ 661.006008] ? netlink_diag_dump+0x2a0/0x2a0 [ 661.010428] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 661.015969] ? bpf_test_init.isra.10+0x70/0x100 [ 661.020646] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 661.025425] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 661.030270] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 661.035806] ? fput+0x130/0x1a0 [ 661.039086] ? __bpf_prog_get+0x9b/0x290 [ 661.043150] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 661.047993] ? bpf_prog_test_run+0x130/0x1a0 [ 661.052404] ? __x64_sys_bpf+0x3d8/0x520 [ 661.056474] ? bpf_prog_get+0x20/0x20 [ 661.060300] ? do_syscall_64+0x1b9/0x820 [ 661.064362] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 661.069728] ? syscall_return_slowpath+0x5e0/0x5e0 [ 661.074655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 661.079509] ? trace_hardirqs_on_caller+0x310/0x310 [ 661.084528] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 661.089545] ? prepare_exit_to_usermode+0x291/0x3b0 [ 661.094567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 661.099429] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 661.104810] warn_alloc_show_mem: 1 callbacks suppressed [ 661.104822] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 661.104824] Mem-Info: [ 661.104857] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 661.104857] active_file:14 inactive_file:14 isolated_file:0 [ 661.104857] unevictable:0 dirty:0 writeback:0 unstable:0 [ 661.104857] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 661.104857] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 661.104857] free:13772 free_pcp:380 free_cma:0 [ 661.110213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 661.117232] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 661.119634] Call Trace: [ 661.152761] 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 [ 661.162114] [ 661.189943] lowmem_reserve[]: 0 2818 6321 6321 [ 661.192541] dump_stack+0x244/0x39d [ 661.218618] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 661.220777] ? dump_stack_print_info.cold.1+0x20/0x20 [ 661.225319] lowmem_reserve[]: 0 0 3503 3503 [ 661.228949] warn_alloc.cold.116+0xb7/0x1bd [ 661.256424] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 661.261614] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 661.265904] lowmem_reserve[]: 0 0 0 0 [ 661.270224] ? lock_downgrade+0x900/0x900 [ 661.299611] 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 [ 661.304460] ? trace_hardirqs_off+0xb8/0x310 [ 661.308229] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 661.312371] ? trace_hardirqs_off+0xb8/0x310 [ 661.325867] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 661.330276] __alloc_pages_slowpath+0x26e8/0x2e10 [ 661.345511] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 661.349945] ? warn_alloc+0x120/0x120 [ 661.364293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 661.369127] ? warn_alloc+0x120/0x120 [ 661.377932] 12557 total pagecache pages [ 661.381728] ? __lock_acquire+0x62f/0x4c20 [ 661.390295] 0 pages in swap cache [ 661.394094] ? warn_alloc+0x120/0x120 [ 661.398042] Swap cache stats: add 0, delete 0, find 0/0 [ 661.402266] ? print_usage_bug+0xc0/0xc0 [ 661.405690] Free swap = 0kB [ 661.405699] Total swap = 0kB [ 661.409493] ? print_usage_bug+0xc0/0xc0 [ 661.414845] 1965979 pages RAM [ 661.418901] ? mark_held_locks+0x130/0x130 [ 661.421892] 0 pages HighMem/MovableOnly [ 661.424920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 661.428965] 342853 pages reserved [ 661.428973] 0 pages cma reserved [ 661.432104] ? should_fail+0x22d/0xd01 [ 661.436388] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 661.440267] ? zap_class+0x640/0x640 [ 661.440286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 661.445853] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 661.449246] ? __lock_acquire+0x62f/0x4c20 [ 661.452600] syz-executor1 cpuset=syz1 mems_allowed=0 [ 661.456478] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 661.496634] ? should_fail+0x22d/0xd01 [ 661.500542] ? mark_held_locks+0x130/0x130 [ 661.504783] ? mark_held_locks+0x130/0x130 [ 661.509022] ? lock_downgrade+0x900/0x900 [ 661.513169] ? zap_class+0x640/0x640 [ 661.516888] ? zap_class+0x640/0x640 [ 661.520606] ? zap_class+0x640/0x640 [ 661.524334] ? do_raw_spin_unlock+0xa7/0x330 [ 661.528758] ? trace_hardirqs_on+0x310/0x310 [ 661.533190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.538741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.544294] ? check_preemption_disabled+0x48/0x280 [ 661.549336] ? __lock_is_held+0xb5/0x140 [ 661.553442] __alloc_pages_nodemask+0xa80/0xde0 [ 661.558114] ? zap_class+0x640/0x640 [ 661.561847] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 661.566881] ? find_held_lock+0x36/0x1c0 [ 661.570955] ? ____cache_alloc_node+0x1c7/0x1e0 [ 661.575629] ? lock_downgrade+0x900/0x900 [ 661.579788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.585330] cache_grow_begin+0xa5/0x8c0 [ 661.589394] ? do_raw_spin_unlock+0xa7/0x330 [ 661.593817] fallback_alloc+0x204/0x2e0 [ 661.597803] ____cache_alloc_node+0x1c7/0x1e0 [ 661.602312] kmem_cache_alloc_node+0xe3/0x730 [ 661.606808] ? lockdep_hardirqs_on+0x296/0x5b0 [ 661.611403] __alloc_skb+0x119/0x770 [ 661.615126] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 661.620502] ? netdev_alloc_frag+0x1f0/0x1f0 [ 661.624927] ? vprintk_default+0x28/0x30 [ 661.628991] ? vprintk_func+0x85/0x181 [ 661.632914] ? printk+0xa7/0xcf [ 661.636209] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 661.640976] new_skb+0x26/0x1c0 [ 661.644254] aoecmd_cfg+0x279/0x7f0 [ 661.647886] ? find_held_lock+0x36/0x1c0 [ 661.651953] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 661.656296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.661859] ? __lock_is_held+0xb5/0x140 [ 661.665933] discover_timer+0x50/0x60 [ 661.669737] call_timer_fn+0x272/0x920 [ 661.673624] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 661.678467] ? process_timeout+0x40/0x40 [ 661.682538] ? mark_held_locks+0xc7/0x130 [ 661.686718] ? _raw_spin_unlock_irq+0x27/0x80 [ 661.691239] ? _raw_spin_unlock_irq+0x27/0x80 [ 661.695731] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 661.700574] ? lockdep_hardirqs_on+0x296/0x5b0 [ 661.705163] ? trace_hardirqs_on+0xbd/0x310 [ 661.709490] ? kasan_check_read+0x11/0x20 [ 661.713640] ? __run_timers+0x7da/0xc70 [ 661.717617] ? trace_hardirqs_off_caller+0x310/0x310 [ 661.722764] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 661.727603] __run_timers+0x7e5/0xc70 [ 661.731449] ? timer_fixup_init+0x70/0x70 [ 661.735629] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 661.740668] ? zap_class+0x640/0x640 [ 661.744404] ? print_usage_bug+0xc0/0xc0 [ 661.748491] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 661.753693] ? find_held_lock+0x36/0x1c0 [ 661.757758] ? zap_class+0x640/0x640 [ 661.761482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.767021] ? check_preemption_disabled+0x48/0x280 [ 661.772065] ? __lock_is_held+0xb5/0x140 [ 661.776132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.781673] ? check_preemption_disabled+0x48/0x280 [ 661.786712] run_timer_softirq+0x52/0xb0 [ 661.790793] ? rcu_read_lock_sched_held+0x14f/0x180 [ 661.795811] __do_softirq+0x308/0xb7e [ 661.799630] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 661.804137] ? lock_downgrade+0x900/0x900 [ 661.808288] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 661.813429] ? pvclock_read_flags+0x160/0x160 [ 661.817931] ? lapic_next_event+0x5a/0x90 [ 661.822079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.827620] ? kvm_clock_read+0x18/0x30 [ 661.831628] ? kvm_sched_clock_read+0x9/0x20 [ 661.836040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 661.841597] ? check_preemption_disabled+0x48/0x280 [ 661.846624] irq_exit+0x17f/0x1c0 [ 661.850084] smp_apic_timer_interrupt+0x1cb/0x760 [ 661.854930] ? smp_reschedule_interrupt+0x109/0x650 [ 661.859949] ? smp_call_function_single_interrupt+0x650/0x650 [ 661.865833] ? interrupt_entry+0xb5/0xc0 [ 661.869914] ? trace_hardirqs_off_caller+0xbb/0x310 [ 661.874931] ? trace_hardirqs_off_caller+0xbb/0x310 [ 661.879953] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 661.884816] ? trace_hardirqs_on_caller+0x310/0x310 [ 661.889833] ? trace_hardirqs_on_caller+0x310/0x310 [ 661.894849] ? task_prio+0x50/0x50 [ 661.898390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 661.903956] ? check_preemption_disabled+0x48/0x280 [ 661.908990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 661.913859] apic_timer_interrupt+0xf/0x20 [ 661.918089] [ 661.920326] RIP: 0010:dump_stack+0x20e/0x39d [ 661.924737] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 661.943644] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 661.951358] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 661.958628] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 661.965898] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 661.973183] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 661.980449] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 661.987771] ? dump_stack+0x205/0x39d [ 661.991590] ? dump_stack_print_info.cold.1+0x20/0x20 [ 661.996786] ? mark_held_locks+0x130/0x130 [ 662.001022] ? mark_held_locks+0x130/0x130 [ 662.005264] dump_header+0x27b/0xf72 [ 662.008991] ? pagefault_out_of_memory+0x197/0x197 [ 662.013927] ? __lock_acquire+0x62f/0x4c20 [ 662.018167] ? percpu_ref_get_many+0x240/0x240 [ 662.022759] ? print_usage_bug+0xc0/0xc0 [ 662.026828] ? zap_class+0x640/0x640 [ 662.030547] ? print_usage_bug+0xc0/0xc0 [ 662.034606] ? print_usage_bug+0xc0/0xc0 [ 662.038670] ? zap_class+0x640/0x640 [ 662.042403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.047955] ? find_held_lock+0x36/0x1c0 [ 662.052027] ? mark_held_locks+0xc7/0x130 [ 662.056181] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 662.061282] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 662.066388] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 662.070982] ? trace_hardirqs_on+0xbd/0x310 [ 662.075304] ? kasan_check_read+0x11/0x20 [ 662.079458] ? ___ratelimit+0x3b4/0x672 [ 662.083467] ? trace_hardirqs_off_caller+0x310/0x310 [ 662.088578] ? trace_hardirqs_on+0x310/0x310 [ 662.092989] ? lock_downgrade+0x900/0x900 [ 662.097142] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 662.102248] ? ___ratelimit+0x3b9/0x672 [ 662.106680] ? idr_get_free+0xf70/0xf70 [ 662.110684] ? find_held_lock+0x36/0x1c0 [ 662.114754] oom_kill_process.cold.27+0x10/0x903 [ 662.119514] ? zap_class+0x640/0x640 [ 662.123231] ? check_preemption_disabled+0x48/0x280 [ 662.128252] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 662.133185] ? kasan_check_read+0x11/0x20 [ 662.137332] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 662.142613] ? oom_evaluate_task+0x540/0x540 [ 662.147028] ? find_held_lock+0x36/0x1c0 [ 662.151094] ? out_of_memory+0x974/0x1430 [ 662.155248] ? lock_downgrade+0x900/0x900 [ 662.159394] ? check_preemption_disabled+0x48/0x280 [ 662.164429] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 662.169357] ? kasan_check_read+0x11/0x20 [ 662.173505] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 662.178785] ? rcu_softirq_qs+0x20/0x20 [ 662.182766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.188310] ? oom_evaluate_task+0x302/0x540 [ 662.192759] out_of_memory+0xa84/0x1430 [ 662.196745] ? oom_killer_disable+0x3a0/0x3a0 [ 662.201240] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 662.206176] ? __ww_mutex_check_waiters+0x160/0x160 [ 662.211211] __alloc_pages_slowpath+0x2354/0x2e10 [ 662.216088] ? warn_alloc+0x120/0x120 [ 662.219893] ? mark_held_locks+0x130/0x130 [ 662.224136] ? find_get_entry+0xaae/0x1120 [ 662.228380] ? filemap_map_pages+0x1a20/0x1a20 [ 662.232975] ? zap_class+0x640/0x640 [ 662.236694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.242234] ? check_preemption_disabled+0x48/0x280 [ 662.247254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.252794] ? should_fail+0x22d/0xd01 [ 662.256685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.261787] ? zap_class+0x640/0x640 [ 662.265544] ? __lock_is_held+0xb5/0x140 [ 662.269617] ? mark_held_locks+0x130/0x130 [ 662.273882] ? lock_release+0xa00/0xa00 [ 662.277854] ? perf_trace_sched_process_exec+0x860/0x860 [ 662.283304] ? xa_load+0x2ba/0x460 [ 662.286842] ? lock_downgrade+0x900/0x900 [ 662.290998] ? __might_sleep+0x95/0x190 [ 662.294977] __alloc_pages_nodemask+0xa80/0xde0 [ 662.299649] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 662.304669] ? __page_cache_alloc+0x191/0x5c0 [ 662.309169] ? xa_load+0x2e1/0x460 [ 662.312717] ? xa_clear_mark+0x40/0x40 [ 662.316608] ? zap_class+0x640/0x640 [ 662.320358] ? zap_class+0x640/0x640 [ 662.324069] ? zap_class+0x640/0x640 [ 662.327783] ? __do_page_cache_readahead+0x663/0x810 [ 662.332906] ? find_held_lock+0x36/0x1c0 [ 662.336985] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 662.342531] alloc_pages_current+0x173/0x350 [ 662.346944] __page_cache_alloc+0x38c/0x5c0 [ 662.351264] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 662.356196] ? kasan_check_read+0x11/0x20 [ 662.360340] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 662.365622] ? generic_perform_write+0x6a0/0x6a0 [ 662.370381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.375940] ? check_preemption_disabled+0x48/0x280 [ 662.380969] filemap_fault+0x1595/0x25f0 [ 662.385076] ? __lock_page_or_retry+0xa00/0xa00 [ 662.389751] ? mark_held_locks+0x130/0x130 [ 662.394001] ? filemap_map_pages+0xd6b/0x1a20 [ 662.398499] ? lock_downgrade+0x900/0x900 [ 662.402646] ? check_preemption_disabled+0x48/0x280 [ 662.407667] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 662.412598] ? kasan_check_read+0x11/0x20 [ 662.416744] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 662.422020] ? rcu_softirq_qs+0x20/0x20 [ 662.426010] ? filemap_map_pages+0xd92/0x1a20 [ 662.430549] ? find_get_entries_tag+0x1400/0x1400 [ 662.435432] ? debug_object_destroy+0x2b0/0x2b0 [ 662.440106] ? lock_pi_update_atomic+0x150/0x150 [ 662.444894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.450451] ? lock_acquire+0x1ed/0x520 [ 662.454445] ? ext4_filemap_fault+0x7a/0xad [ 662.458777] ? lock_release+0xa00/0xa00 [ 662.462747] ? perf_trace_sched_process_exec+0x860/0x860 [ 662.468213] ? print_usage_bug+0xc0/0xc0 [ 662.472292] ? print_usage_bug+0xc0/0xc0 [ 662.476383] ? down_read+0x8d/0x120 [ 662.480016] ? ext4_filemap_fault+0x7a/0xad [ 662.484342] ? __down_interruptible+0x700/0x700 [ 662.489021] ext4_filemap_fault+0x82/0xad [ 662.493181] __do_fault+0x100/0x6b0 [ 662.496828] ? find_held_lock+0x36/0x1c0 [ 662.500895] ? pmd_devmap_trans_unstable+0x220/0x220 [ 662.506002] ? mark_held_locks+0x130/0x130 [ 662.510282] ? mark_held_locks+0x130/0x130 [ 662.514533] ? debug_smp_processor_id+0x1c/0x20 [ 662.519205] ? perf_trace_lock+0x14d/0x7a0 [ 662.523460] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 662.528051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.533595] __handle_mm_fault+0x3ea0/0x5be0 [ 662.538029] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 662.542875] ? lock_is_held_type+0x210/0x210 [ 662.547294] ? preempt_notifier_register+0x200/0x200 [ 662.552409] ? __switch_to_asm+0x34/0x70 [ 662.556476] ? __switch_to_asm+0x34/0x70 [ 662.560569] ? zap_class+0x640/0x640 [ 662.564281] ? zap_class+0x640/0x640 [ 662.568004] ? __x64_sys_futex+0x53e/0x6a0 [ 662.572245] ? find_held_lock+0x36/0x1c0 [ 662.576317] ? handle_mm_fault+0x42a/0xc70 [ 662.580555] ? lock_downgrade+0x900/0x900 [ 662.584716] ? check_preemption_disabled+0x48/0x280 [ 662.589734] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 662.594663] ? kasan_check_read+0x11/0x20 [ 662.598811] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 662.604090] ? rcu_softirq_qs+0x20/0x20 [ 662.608064] ? trace_hardirqs_off_caller+0x310/0x310 [ 662.613176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.618716] ? check_preemption_disabled+0x48/0x280 [ 662.623742] handle_mm_fault+0x54f/0xc70 [ 662.627807] ? __handle_mm_fault+0x5be0/0x5be0 [ 662.632393] ? find_vma+0x34/0x190 [ 662.635946] __do_page_fault+0x5e8/0xe60 [ 662.640039] ? trace_hardirqs_off+0xb8/0x310 [ 662.644462] do_page_fault+0xf2/0x7e0 [ 662.648266] ? vmalloc_sync_all+0x30/0x30 [ 662.652425] ? error_entry+0x70/0xd0 [ 662.656187] ? trace_hardirqs_off_caller+0xbb/0x310 [ 662.661202] ? trace_hardirqs_on_caller+0xc0/0x310 [ 662.666132] ? syscall_return_slowpath+0x5e0/0x5e0 [ 662.671058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 662.675907] ? trace_hardirqs_on_caller+0x310/0x310 [ 662.680936] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 662.686391] ? prepare_exit_to_usermode+0x291/0x3b0 [ 662.691420] ? page_fault+0x8/0x30 [ 662.694966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 662.699826] ? page_fault+0x8/0x30 [ 662.703366] page_fault+0x1e/0x30 [ 662.706838] RIP: 0033:0x40f9c0 [ 662.710042] Code: Bad RIP value. [ 662.713406] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 662.718779] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 662.726045] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 662.733310] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 662.740578] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 662.747845] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 662.755152] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 662.755227] aoe: skb alloc failure [ 662.762435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 662.762440] Call Trace: [ 662.762447] [ 662.762468] dump_stack+0x244/0x39d [ 662.762486] ? dump_stack_print_info.cold.1+0x20/0x20 [ 662.766084] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 662.775367] warn_alloc.cold.116+0xb7/0x1bd [ 662.777920] syz-fuzzer cpuset=/ mems_allowed=0 [ 662.780107] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 662.812820] ? lock_downgrade+0x900/0x900 [ 662.816999] ? trace_hardirqs_off+0xb8/0x310 [ 662.821421] ? trace_hardirqs_off+0xb8/0x310 [ 662.825860] __alloc_pages_slowpath+0x26e8/0x2e10 [ 662.830739] ? warn_alloc+0x120/0x120 [ 662.834542] ? print_usage_bug+0xc0/0xc0 [ 662.838608] ? warn_alloc+0x120/0x120 [ 662.842452] ? warn_alloc+0x120/0x120 [ 662.846252] ? print_usage_bug+0xc0/0xc0 [ 662.850317] ? print_usage_bug+0xc0/0xc0 [ 662.854397] ? __lock_acquire+0x62f/0x4c20 [ 662.858649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 662.864191] ? should_fail+0x22d/0xd01 [ 662.868082] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.873185] ? __lock_acquire+0x62f/0x4c20 [ 662.877435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 662.882543] ? __lock_acquire+0x62f/0x4c20 [ 662.886786] ? should_fail+0x22d/0xd01 [ 662.890681] ? find_held_lock+0x36/0x1c0 [ 662.894749] ? mark_held_locks+0x130/0x130 [ 662.898992] ? mark_held_locks+0x130/0x130 [ 662.903242] ? zap_class+0x640/0x640 [ 662.906956] ? zap_class+0x640/0x640 [ 662.910669] ? print_usage_bug+0xc0/0xc0 [ 662.914731] ? do_raw_spin_unlock+0xa7/0x330 [ 662.919136] ? zap_class+0x640/0x640 [ 662.922848] ? print_usage_bug+0xc0/0xc0 [ 662.926908] ? wq_watchdog_touch+0x9c/0xfe [ 662.931176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.936717] ? check_preemption_disabled+0x48/0x280 [ 662.941744] ? __lock_is_held+0xb5/0x140 [ 662.945817] __alloc_pages_nodemask+0xa80/0xde0 [ 662.950485] ? zap_class+0x640/0x640 [ 662.954224] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 662.959271] ? find_held_lock+0x36/0x1c0 [ 662.963355] ? ____cache_alloc_node+0x1c7/0x1e0 [ 662.968025] ? lock_downgrade+0x900/0x900 [ 662.972180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 662.977953] cache_grow_begin+0xa5/0x8c0 [ 662.982034] ? do_raw_spin_unlock+0xa7/0x330 [ 662.986474] fallback_alloc+0x204/0x2e0 [ 662.990455] ____cache_alloc_node+0x1c7/0x1e0 [ 662.994958] kmem_cache_alloc_node+0xe3/0x730 [ 662.999455] ? ipv6_get_ifaddr+0x42e/0x620 [ 663.003705] __alloc_skb+0x119/0x770 [ 663.007429] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 663.012713] ? netdev_alloc_frag+0x1f0/0x1f0 [ 663.017122] ? lock_downgrade+0x900/0x900 [ 663.021296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.026834] ? refcount_sub_and_test_checked+0x203/0x310 [ 663.032288] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 663.037740] ? addrconf_rs_timer+0x690/0x690 [ 663.042168] ndisc_alloc_skb+0x144/0x340 [ 663.046250] ndisc_send_rs+0x331/0x6e0 [ 663.050160] addrconf_rs_timer+0x314/0x690 [ 663.054416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 663.058688] call_timer_fn+0x272/0x920 [ 663.062575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 663.066807] ? process_timeout+0x40/0x40 [ 663.070876] ? __run_timers+0x7da/0xc70 [ 663.074853] ? _raw_spin_unlock_irq+0x27/0x80 [ 663.079350] ? _raw_spin_unlock_irq+0x27/0x80 [ 663.083859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 663.088128] ? lockdep_hardirqs_on+0x296/0x5b0 [ 663.092721] ? trace_hardirqs_on+0xbd/0x310 [ 663.097044] ? kasan_check_read+0x11/0x20 [ 663.101189] ? __run_timers+0x7da/0xc70 [ 663.105170] ? trace_hardirqs_off_caller+0x310/0x310 [ 663.110275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 663.114540] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 663.118791] __run_timers+0x7e5/0xc70 [ 663.122603] ? timer_fixup_init+0x70/0x70 [ 663.126755] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 663.131772] ? zap_class+0x640/0x640 [ 663.135509] ? enqueue_hrtimer+0x1a5/0x560 [ 663.139749] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 663.144962] ? find_held_lock+0x36/0x1c0 [ 663.149045] ? zap_class+0x640/0x640 [ 663.152763] ? pvclock_read_flags+0x160/0x160 [ 663.157274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.162815] ? check_preemption_disabled+0x48/0x280 [ 663.167854] ? __lock_is_held+0xb5/0x140 [ 663.171928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.177461] ? check_preemption_disabled+0x48/0x280 [ 663.182480] run_timer_softirq+0x52/0xb0 [ 663.186539] ? rcu_read_lock_sched_held+0x14f/0x180 [ 663.191555] __do_softirq+0x308/0xb7e [ 663.195387] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 663.199889] ? lock_downgrade+0x900/0x900 [ 663.204057] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 663.209182] ? pvclock_read_flags+0x160/0x160 [ 663.213687] ? lapic_next_event+0x5a/0x90 [ 663.217835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.223377] ? kvm_clock_read+0x18/0x30 [ 663.227378] ? kvm_sched_clock_read+0x9/0x20 [ 663.231806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.237345] ? check_preemption_disabled+0x48/0x280 [ 663.242400] irq_exit+0x17f/0x1c0 [ 663.245914] smp_apic_timer_interrupt+0x1cb/0x760 [ 663.250757] ? smp_reschedule_interrupt+0x109/0x650 [ 663.255776] ? smp_call_function_single_interrupt+0x650/0x650 [ 663.261658] ? interrupt_entry+0xb5/0xc0 [ 663.265726] ? trace_hardirqs_off_caller+0xbb/0x310 [ 663.270742] ? trace_hardirqs_off_caller+0xbb/0x310 [ 663.275757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.280601] ? trace_hardirqs_on_caller+0x310/0x310 [ 663.285616] ? trace_hardirqs_on_caller+0x310/0x310 [ 663.290629] ? task_prio+0x50/0x50 [ 663.294169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.299725] ? check_preemption_disabled+0x48/0x280 [ 663.304747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.309600] apic_timer_interrupt+0xf/0x20 [ 663.313827] [ 663.316087] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 663.321019] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 663.339918] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 663.347625] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 663.354889] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 663.362160] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 663.369463] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 663.376735] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 663.384045] skb_clone+0x1bb/0x500 [ 663.387605] ? finish_task_switch+0x1b4/0x910 [ 663.392106] ? skb_split+0x11e0/0x11e0 [ 663.395996] ? preempt_notifier_register+0x200/0x200 [ 663.401097] ? __switch_to_asm+0x34/0x70 [ 663.405153] ? __switch_to_asm+0x34/0x70 [ 663.409214] ? __switch_to_asm+0x40/0x70 [ 663.413273] ? __switch_to_asm+0x34/0x70 [ 663.417330] ? __switch_to_asm+0x40/0x70 [ 663.421383] ? __switch_to_asm+0x34/0x70 [ 663.425461] ? __switch_to_asm+0x40/0x70 [ 663.429522] ? __switch_to_asm+0x34/0x70 [ 663.433593] ? __switch_to_asm+0x34/0x70 [ 663.437650] ? __switch_to_asm+0x40/0x70 [ 663.441711] ? __switch_to_asm+0x34/0x70 [ 663.445779] bpf_clone_redirect+0xb9/0x490 [ 663.450033] ? __schedule+0x8d7/0x21d0 [ 663.453926] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 663.458970] ? __sched_text_start+0x8/0x8 [ 663.463125] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 663.467707] ? retint_kernel+0x2d/0x2d [ 663.471597] ? trace_hardirqs_on_caller+0xc0/0x310 [ 663.476536] ? find_held_lock+0x36/0x1c0 [ 663.480610] ? lock_acquire+0x1ed/0x520 [ 663.484584] ? bpf_test_run+0x3cb/0x780 [ 663.488570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 663.494111] ? check_preemption_disabled+0x48/0x280 [ 663.499132] ? kasan_check_read+0x11/0x20 [ 663.503279] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 663.508560] ? rcu_softirq_qs+0x20/0x20 [ 663.512537] ? preempt_schedule+0x4d/0x60 [ 663.516693] ? ___preempt_schedule+0x16/0x18 [ 663.521130] ? bpf_test_run+0x25d/0x780 [ 663.525131] ? netlink_diag_dump+0x2a0/0x2a0 [ 663.529574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 663.535113] ? bpf_test_init.isra.10+0x70/0x100 [ 663.539823] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 663.544595] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 663.549463] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 663.555028] ? fput+0x130/0x1a0 [ 663.558325] ? __bpf_prog_get+0x9b/0x290 [ 663.562389] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 663.567238] ? bpf_prog_test_run+0x130/0x1a0 [ 663.571650] ? __x64_sys_bpf+0x3d8/0x520 [ 663.575743] ? bpf_prog_get+0x20/0x20 [ 663.579566] ? do_syscall_64+0x1b9/0x820 [ 663.583630] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 663.588995] ? syscall_return_slowpath+0x5e0/0x5e0 [ 663.593922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.598770] ? trace_hardirqs_on_caller+0x310/0x310 [ 663.603787] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 663.608841] ? prepare_exit_to_usermode+0x291/0x3b0 [ 663.613878] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 663.618730] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 663.624105] warn_alloc_show_mem: 1 callbacks suppressed [ 663.624117] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 663.624118] Mem-Info: [ 663.624166] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 663.624166] active_file:14 inactive_file:14 isolated_file:0 [ 663.624166] unevictable:0 dirty:0 writeback:0 unstable:0 [ 663.624166] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 663.624166] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 663.624166] free:13772 free_pcp:380 free_cma:0 [ 663.629513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 663.636531] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 663.638958] Call Trace: [ 663.672078] 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 [ 663.681428] [ 663.709252] lowmem_reserve[]: 0 2818 6321 6321 [ 663.711832] dump_stack+0x244/0x39d [ 663.737913] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 663.740054] ? dump_stack_print_info.cold.1+0x20/0x20 [ 663.744625] lowmem_reserve[]: 0 0 3503 3503 [ 663.748251] warn_alloc.cold.116+0xb7/0x1bd [ 663.775713] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 663.780901] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 663.785195] lowmem_reserve[]: 0 0 0 0 [ 663.789514] ? lock_downgrade+0x900/0x900 [ 663.818630] 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 [ 663.823470] ? trace_hardirqs_off+0xb8/0x310 [ 663.827235] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 663.831376] ? trace_hardirqs_off+0xb8/0x310 [ 663.844867] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 663.849288] __alloc_pages_slowpath+0x26e8/0x2e10 [ 663.864539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 663.868961] ? warn_alloc+0x120/0x120 [ 663.883306] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 663.888136] ? warn_alloc+0x120/0x120 [ 663.896943] 12557 total pagecache pages [ 663.900737] ? warn_alloc+0x120/0x120 [ 663.909290] 0 pages in swap cache [ 663.913080] ? print_usage_bug+0xc0/0xc0 [ 663.917030] Swap cache stats: add 0, delete 0, find 0/0 [ 663.920815] ? print_usage_bug+0xc0/0xc0 [ 663.924239] Free swap = 0kB [ 663.928292] ? ktime_get+0x2c1/0x400 [ 663.933647] Total swap = 0kB [ 663.937705] ? check_preemption_disabled+0x48/0x280 [ 663.940700] 1965979 pages RAM [ 663.944403] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 663.947402] 0 pages HighMem/MovableOnly [ 663.952426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 663.955507] 342853 pages reserved [ 663.959994] ? should_fail+0x22d/0xd01 [ 663.963944] 0 pages cma reserved [ 663.969487] ? kasan_check_read+0x11/0x20 [ 663.973013] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 663.976788] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 663.976804] ? __lock_acquire+0x62f/0x4c20 [ 663.976820] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 663.980221] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 663.984317] ? should_fail+0x22d/0xd01 [ 663.990790] syz-executor1 cpuset=syz1 mems_allowed=0 [ 663.995888] ? print_usage_bug+0xc0/0xc0 [ 664.028666] ? mark_held_locks+0x130/0x130 [ 664.032903] ? mark_held_locks+0x130/0x130 [ 664.037139] ? check_preemption_disabled+0x48/0x280 [ 664.042169] ? zap_class+0x640/0x640 [ 664.045893] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 664.050655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.056200] ? check_preemption_disabled+0x48/0x280 [ 664.061232] ? __lock_is_held+0xb5/0x140 [ 664.065303] __alloc_pages_nodemask+0xa80/0xde0 [ 664.069973] ? zap_class+0x640/0x640 [ 664.073697] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 664.078729] ? find_held_lock+0x36/0x1c0 [ 664.082800] ? ____cache_alloc_node+0x1c7/0x1e0 [ 664.087483] ? lock_downgrade+0x900/0x900 [ 664.091741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.097459] cache_grow_begin+0xa5/0x8c0 [ 664.101529] ? do_raw_spin_unlock+0xa7/0x330 [ 664.106431] fallback_alloc+0x204/0x2e0 [ 664.110426] ____cache_alloc_node+0x1c7/0x1e0 [ 664.114933] kmem_cache_alloc_node+0xe3/0x730 [ 664.119443] ? lockdep_hardirqs_on+0x296/0x5b0 [ 664.124036] __alloc_skb+0x119/0x770 [ 664.128113] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 664.133481] ? netdev_alloc_frag+0x1f0/0x1f0 [ 664.137910] ? vprintk_default+0x28/0x30 [ 664.141973] ? vprintk_func+0x85/0x181 [ 664.145860] ? printk+0xa7/0xcf [ 664.149144] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 664.153929] new_skb+0x26/0x1c0 [ 664.157218] aoecmd_cfg+0x279/0x7f0 [ 664.160864] ? find_held_lock+0x36/0x1c0 [ 664.164926] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 664.169254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.174802] ? __lock_is_held+0xb5/0x140 [ 664.178880] discover_timer+0x50/0x60 [ 664.182681] call_timer_fn+0x272/0x920 [ 664.186571] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 664.191419] ? process_timeout+0x40/0x40 [ 664.195492] ? mark_held_locks+0xc7/0x130 [ 664.199641] ? _raw_spin_unlock_irq+0x27/0x80 [ 664.204132] ? _raw_spin_unlock_irq+0x27/0x80 [ 664.208628] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 664.213474] ? lockdep_hardirqs_on+0x296/0x5b0 [ 664.218058] ? trace_hardirqs_on+0xbd/0x310 [ 664.222379] ? kasan_check_read+0x11/0x20 [ 664.226534] ? __run_timers+0x7da/0xc70 [ 664.230509] ? trace_hardirqs_off_caller+0x310/0x310 [ 664.235621] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 664.240503] __run_timers+0x7e5/0xc70 [ 664.244356] ? timer_fixup_init+0x70/0x70 [ 664.248513] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 664.253530] ? zap_class+0x640/0x640 [ 664.257266] ? print_usage_bug+0xc0/0xc0 [ 664.261328] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 664.266546] ? find_held_lock+0x36/0x1c0 [ 664.270612] ? zap_class+0x640/0x640 [ 664.274334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.279874] ? check_preemption_disabled+0x48/0x280 [ 664.284902] ? __lock_is_held+0xb5/0x140 [ 664.288969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.294514] ? check_preemption_disabled+0x48/0x280 [ 664.299540] run_timer_softirq+0x52/0xb0 [ 664.303609] ? rcu_read_lock_sched_held+0x14f/0x180 [ 664.308630] __do_softirq+0x308/0xb7e [ 664.312445] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 664.316940] ? lock_downgrade+0x900/0x900 [ 664.321098] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 664.326215] ? pvclock_read_flags+0x160/0x160 [ 664.330718] ? lapic_next_event+0x5a/0x90 [ 664.334988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.340536] ? kvm_clock_read+0x18/0x30 [ 664.344513] ? kvm_sched_clock_read+0x9/0x20 [ 664.348932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 664.354472] ? check_preemption_disabled+0x48/0x280 [ 664.359498] irq_exit+0x17f/0x1c0 [ 664.362953] smp_apic_timer_interrupt+0x1cb/0x760 [ 664.367794] ? smp_reschedule_interrupt+0x109/0x650 [ 664.372814] ? smp_call_function_single_interrupt+0x650/0x650 [ 664.378717] ? interrupt_entry+0xb5/0xc0 [ 664.382812] ? trace_hardirqs_off_caller+0xbb/0x310 [ 664.387826] ? trace_hardirqs_off_caller+0xbb/0x310 [ 664.392877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 664.397724] ? trace_hardirqs_on_caller+0x310/0x310 [ 664.402753] ? trace_hardirqs_on_caller+0x310/0x310 [ 664.407773] ? task_prio+0x50/0x50 [ 664.411319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.416858] ? check_preemption_disabled+0x48/0x280 [ 664.421884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 664.426736] apic_timer_interrupt+0xf/0x20 [ 664.430965] [ 664.433211] RIP: 0010:dump_stack+0x20e/0x39d [ 664.437638] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 664.456544] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 664.464258] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 664.471532] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 664.478804] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 664.486071] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 664.493346] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 664.500652] ? dump_stack+0x205/0x39d [ 664.504477] ? dump_stack_print_info.cold.1+0x20/0x20 [ 664.509671] ? mark_held_locks+0x130/0x130 [ 664.513908] ? mark_held_locks+0x130/0x130 [ 664.518152] dump_header+0x27b/0xf72 [ 664.521888] ? pagefault_out_of_memory+0x197/0x197 [ 664.526828] ? __lock_acquire+0x62f/0x4c20 [ 664.531074] ? percpu_ref_get_many+0x240/0x240 [ 664.535661] ? print_usage_bug+0xc0/0xc0 [ 664.539731] ? zap_class+0x640/0x640 [ 664.543451] ? print_usage_bug+0xc0/0xc0 [ 664.547513] ? print_usage_bug+0xc0/0xc0 [ 664.551577] ? zap_class+0x640/0x640 [ 664.555312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.560853] ? find_held_lock+0x36/0x1c0 [ 664.564929] ? mark_held_locks+0xc7/0x130 [ 664.569080] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 664.574187] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 664.579291] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 664.583878] ? trace_hardirqs_on+0xbd/0x310 [ 664.588203] ? kasan_check_read+0x11/0x20 [ 664.592355] ? ___ratelimit+0x3b4/0x672 [ 664.596334] ? trace_hardirqs_off_caller+0x310/0x310 [ 664.601446] ? trace_hardirqs_on+0x310/0x310 [ 664.605862] ? lock_downgrade+0x900/0x900 [ 664.610022] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 664.615127] ? ___ratelimit+0x3b9/0x672 [ 664.619108] ? idr_get_free+0xf70/0xf70 [ 664.623088] ? find_held_lock+0x36/0x1c0 [ 664.627160] oom_kill_process.cold.27+0x10/0x903 [ 664.631926] ? zap_class+0x640/0x640 [ 664.635643] ? check_preemption_disabled+0x48/0x280 [ 664.640667] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 664.645602] ? kasan_check_read+0x11/0x20 [ 664.649754] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 664.655035] ? oom_evaluate_task+0x540/0x540 [ 664.659458] ? find_held_lock+0x36/0x1c0 [ 664.663537] ? out_of_memory+0x974/0x1430 [ 664.667694] ? lock_downgrade+0x900/0x900 [ 664.671861] ? check_preemption_disabled+0x48/0x280 [ 664.676887] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 664.681840] ? kasan_check_read+0x11/0x20 [ 664.685992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 664.691268] ? rcu_softirq_qs+0x20/0x20 [ 664.695253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 664.700788] ? oom_evaluate_task+0x302/0x540 [ 664.705209] out_of_memory+0xa84/0x1430 [ 664.709199] ? oom_killer_disable+0x3a0/0x3a0 [ 664.713695] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 664.718633] ? __ww_mutex_check_waiters+0x160/0x160 [ 664.723691] __alloc_pages_slowpath+0x2354/0x2e10 [ 664.728570] ? warn_alloc+0x120/0x120 [ 664.732370] ? mark_held_locks+0x130/0x130 [ 664.736610] ? find_get_entry+0xaae/0x1120 [ 664.740861] ? filemap_map_pages+0x1a20/0x1a20 [ 664.745466] ? zap_class+0x640/0x640 [ 664.749197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.754751] ? check_preemption_disabled+0x48/0x280 [ 664.759777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 664.765321] ? should_fail+0x22d/0xd01 [ 664.769229] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 664.774353] ? zap_class+0x640/0x640 [ 664.778096] ? __lock_is_held+0xb5/0x140 [ 664.782171] ? mark_held_locks+0x130/0x130 [ 664.786428] ? lock_release+0xa00/0xa00 [ 664.790417] ? perf_trace_sched_process_exec+0x860/0x860 [ 664.795870] ? xa_load+0x2ba/0x460 [ 664.799421] ? lock_downgrade+0x900/0x900 [ 664.803576] ? __might_sleep+0x95/0x190 [ 664.807559] __alloc_pages_nodemask+0xa80/0xde0 [ 664.812241] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 664.817263] ? __page_cache_alloc+0x191/0x5c0 [ 664.821777] ? xa_load+0x2e1/0x460 [ 664.825322] ? xa_clear_mark+0x40/0x40 [ 664.829212] ? zap_class+0x640/0x640 [ 664.832953] ? zap_class+0x640/0x640 [ 664.836670] ? zap_class+0x640/0x640 [ 664.840384] ? __do_page_cache_readahead+0x663/0x810 [ 664.845504] ? find_held_lock+0x36/0x1c0 [ 664.849593] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 664.855141] alloc_pages_current+0x173/0x350 [ 664.859566] __page_cache_alloc+0x38c/0x5c0 [ 664.863891] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 664.868821] ? kasan_check_read+0x11/0x20 [ 664.872972] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 664.878253] ? generic_perform_write+0x6a0/0x6a0 [ 664.883015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 664.888599] ? check_preemption_disabled+0x48/0x280 [ 664.893626] filemap_fault+0x1595/0x25f0 [ 664.897705] ? __lock_page_or_retry+0xa00/0xa00 [ 664.902390] ? mark_held_locks+0x130/0x130 [ 664.906641] ? filemap_map_pages+0xd6b/0x1a20 [ 664.911139] ? lock_downgrade+0x900/0x900 [ 664.915294] ? check_preemption_disabled+0x48/0x280 [ 664.920318] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 664.925262] ? kasan_check_read+0x11/0x20 [ 664.929422] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 664.934705] ? rcu_softirq_qs+0x20/0x20 [ 664.938693] ? filemap_map_pages+0xd92/0x1a20 [ 664.943212] ? find_get_entries_tag+0x1400/0x1400 [ 664.948060] ? debug_object_destroy+0x2b0/0x2b0 [ 664.952776] ? lock_pi_update_atomic+0x150/0x150 [ 664.957538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 664.963091] ? lock_acquire+0x1ed/0x520 [ 664.967066] ? ext4_filemap_fault+0x7a/0xad [ 664.971397] ? lock_release+0xa00/0xa00 [ 664.975601] ? perf_trace_sched_process_exec+0x860/0x860 [ 664.981056] ? print_usage_bug+0xc0/0xc0 [ 664.985139] ? print_usage_bug+0xc0/0xc0 [ 664.989215] ? down_read+0x8d/0x120 [ 664.992843] ? ext4_filemap_fault+0x7a/0xad [ 664.997170] ? __down_interruptible+0x700/0x700 [ 665.001869] ext4_filemap_fault+0x82/0xad [ 665.006021] __do_fault+0x100/0x6b0 [ 665.009652] ? find_held_lock+0x36/0x1c0 [ 665.013720] ? pmd_devmap_trans_unstable+0x220/0x220 [ 665.018845] ? mark_held_locks+0x130/0x130 [ 665.023086] ? mark_held_locks+0x130/0x130 [ 665.027331] ? debug_smp_processor_id+0x1c/0x20 [ 665.032000] ? perf_trace_lock+0x14d/0x7a0 [ 665.036235] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 665.040842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 665.046403] __handle_mm_fault+0x3ea0/0x5be0 [ 665.050849] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 665.055725] ? lock_is_held_type+0x210/0x210 [ 665.060159] ? preempt_notifier_register+0x200/0x200 [ 665.065263] ? __switch_to_asm+0x34/0x70 [ 665.069324] ? __switch_to_asm+0x34/0x70 [ 665.073403] ? zap_class+0x640/0x640 [ 665.077125] ? zap_class+0x640/0x640 [ 665.080838] ? __x64_sys_futex+0x53e/0x6a0 [ 665.085084] ? find_held_lock+0x36/0x1c0 [ 665.089195] ? handle_mm_fault+0x42a/0xc70 [ 665.093439] ? lock_downgrade+0x900/0x900 [ 665.097589] ? check_preemption_disabled+0x48/0x280 [ 665.102611] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 665.108054] ? kasan_check_read+0x11/0x20 [ 665.112209] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 665.117489] ? rcu_softirq_qs+0x20/0x20 [ 665.121485] ? trace_hardirqs_off_caller+0x310/0x310 [ 665.126591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 665.132133] ? check_preemption_disabled+0x48/0x280 [ 665.137159] handle_mm_fault+0x54f/0xc70 [ 665.141229] ? __handle_mm_fault+0x5be0/0x5be0 [ 665.145815] ? find_vma+0x34/0x190 [ 665.149360] __do_page_fault+0x5e8/0xe60 [ 665.153428] ? trace_hardirqs_off+0xb8/0x310 [ 665.157855] do_page_fault+0xf2/0x7e0 [ 665.161657] ? vmalloc_sync_all+0x30/0x30 [ 665.165811] ? error_entry+0x70/0xd0 [ 665.169534] ? trace_hardirqs_off_caller+0xbb/0x310 [ 665.174554] ? trace_hardirqs_on_caller+0xc0/0x310 [ 665.179501] ? syscall_return_slowpath+0x5e0/0x5e0 [ 665.184434] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.189296] ? trace_hardirqs_on_caller+0x310/0x310 [ 665.194327] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 665.199784] ? prepare_exit_to_usermode+0x291/0x3b0 [ 665.204803] ? page_fault+0x8/0x30 [ 665.208344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.213193] ? page_fault+0x8/0x30 [ 665.216749] page_fault+0x1e/0x30 [ 665.220228] RIP: 0033:0x40f9c0 [ 665.223450] Code: Bad RIP value. [ 665.226811] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 665.232178] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 665.239449] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 665.246714] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 665.253982] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 665.261263] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 665.268578] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 665.268641] aoe: skb alloc failure [ 665.275855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 665.275864] Call Trace: [ 665.279480] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 665.288740] [ 665.291310] syz-fuzzer cpuset=/ mems_allowed=0 [ 665.301542] dump_stack+0x244/0x39d [ 665.311859] ? dump_stack_print_info.cold.1+0x20/0x20 [ 665.317067] warn_alloc.cold.116+0xb7/0x1bd [ 665.321389] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 665.326247] ? lock_downgrade+0x900/0x900 [ 665.330407] ? trace_hardirqs_off+0xb8/0x310 [ 665.334885] ? trace_hardirqs_off+0xb8/0x310 [ 665.339324] __alloc_pages_slowpath+0x26e8/0x2e10 [ 665.344238] ? warn_alloc+0x120/0x120 [ 665.348046] ? print_usage_bug+0xc0/0xc0 [ 665.352109] ? warn_alloc+0x120/0x120 [ 665.355918] ? warn_alloc+0x120/0x120 [ 665.359720] ? print_usage_bug+0xc0/0xc0 [ 665.363789] ? print_usage_bug+0xc0/0xc0 [ 665.367852] ? __lock_acquire+0x62f/0x4c20 [ 665.372102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 665.377640] ? should_fail+0x22d/0xd01 [ 665.381543] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 665.386650] ? __lock_acquire+0x62f/0x4c20 [ 665.390898] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 665.396002] ? __lock_acquire+0x62f/0x4c20 [ 665.400234] ? should_fail+0x22d/0xd01 [ 665.404121] ? find_held_lock+0x36/0x1c0 [ 665.408189] ? mark_held_locks+0x130/0x130 [ 665.412440] ? mark_held_locks+0x130/0x130 [ 665.416678] ? zap_class+0x640/0x640 [ 665.420391] ? zap_class+0x640/0x640 [ 665.424146] ? print_usage_bug+0xc0/0xc0 [ 665.428216] ? do_raw_spin_unlock+0xa7/0x330 [ 665.432624] ? zap_class+0x640/0x640 [ 665.436343] ? print_usage_bug+0xc0/0xc0 [ 665.440401] ? wq_watchdog_touch+0x9c/0xfe [ 665.444655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.450214] ? check_preemption_disabled+0x48/0x280 [ 665.455267] ? __lock_is_held+0xb5/0x140 [ 665.459364] __alloc_pages_nodemask+0xa80/0xde0 [ 665.464040] ? zap_class+0x640/0x640 [ 665.467773] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 665.472805] ? find_held_lock+0x36/0x1c0 [ 665.476877] ? ____cache_alloc_node+0x1c7/0x1e0 [ 665.481564] ? lock_downgrade+0x900/0x900 [ 665.485722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.491265] cache_grow_begin+0xa5/0x8c0 [ 665.495339] ? do_raw_spin_unlock+0xa7/0x330 [ 665.499756] fallback_alloc+0x204/0x2e0 [ 665.503742] ____cache_alloc_node+0x1c7/0x1e0 [ 665.508245] kmem_cache_alloc_node+0xe3/0x730 [ 665.512745] ? ipv6_get_ifaddr+0x42e/0x620 [ 665.516996] __alloc_skb+0x119/0x770 [ 665.520712] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 665.525993] ? netdev_alloc_frag+0x1f0/0x1f0 [ 665.530401] ? lock_downgrade+0x900/0x900 [ 665.534567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.540108] ? refcount_sub_and_test_checked+0x203/0x310 [ 665.545565] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 665.551016] ? addrconf_rs_timer+0x690/0x690 [ 665.555487] ndisc_alloc_skb+0x144/0x340 [ 665.559554] ndisc_send_rs+0x331/0x6e0 [ 665.563451] addrconf_rs_timer+0x314/0x690 [ 665.567717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 665.571967] call_timer_fn+0x272/0x920 [ 665.575859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 665.580097] ? process_timeout+0x40/0x40 [ 665.584171] ? __run_timers+0x7da/0xc70 [ 665.588164] ? _raw_spin_unlock_irq+0x27/0x80 [ 665.592692] ? _raw_spin_unlock_irq+0x27/0x80 [ 665.597221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 665.601459] ? lockdep_hardirqs_on+0x296/0x5b0 [ 665.606042] ? trace_hardirqs_on+0xbd/0x310 [ 665.610368] ? kasan_check_read+0x11/0x20 [ 665.614514] ? __run_timers+0x7da/0xc70 [ 665.618506] ? trace_hardirqs_off_caller+0x310/0x310 [ 665.623614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 665.627859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 665.632090] __run_timers+0x7e5/0xc70 [ 665.635920] ? timer_fixup_init+0x70/0x70 [ 665.640085] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 665.645119] ? zap_class+0x640/0x640 [ 665.648850] ? enqueue_hrtimer+0x1a5/0x560 [ 665.653096] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 665.658297] ? find_held_lock+0x36/0x1c0 [ 665.662380] ? zap_class+0x640/0x640 [ 665.666139] ? pvclock_read_flags+0x160/0x160 [ 665.670641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.676186] ? check_preemption_disabled+0x48/0x280 [ 665.681217] ? __lock_is_held+0xb5/0x140 [ 665.685284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.690826] ? check_preemption_disabled+0x48/0x280 [ 665.695846] run_timer_softirq+0x52/0xb0 [ 665.699922] ? rcu_read_lock_sched_held+0x14f/0x180 [ 665.704941] __do_softirq+0x308/0xb7e [ 665.708750] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 665.713246] ? lock_downgrade+0x900/0x900 [ 665.717417] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 665.722530] ? pvclock_read_flags+0x160/0x160 [ 665.727028] ? lapic_next_event+0x5a/0x90 [ 665.731188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.736745] ? kvm_clock_read+0x18/0x30 [ 665.740719] ? kvm_sched_clock_read+0x9/0x20 [ 665.745136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.750683] ? check_preemption_disabled+0x48/0x280 [ 665.755717] irq_exit+0x17f/0x1c0 [ 665.759175] smp_apic_timer_interrupt+0x1cb/0x760 [ 665.764019] ? smp_reschedule_interrupt+0x109/0x650 [ 665.769037] ? smp_call_function_single_interrupt+0x650/0x650 [ 665.774923] ? interrupt_entry+0xb5/0xc0 [ 665.778987] ? trace_hardirqs_off_caller+0xbb/0x310 [ 665.784002] ? trace_hardirqs_off_caller+0xbb/0x310 [ 665.789020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.793866] ? trace_hardirqs_on_caller+0x310/0x310 [ 665.798879] ? trace_hardirqs_on_caller+0x310/0x310 [ 665.803893] ? task_prio+0x50/0x50 [ 665.807442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 665.812987] ? check_preemption_disabled+0x48/0x280 [ 665.818012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 665.822868] apic_timer_interrupt+0xf/0x20 [ 665.827096] [ 665.829347] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 665.834276] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 665.853174] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 665.860878] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 665.868145] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 665.875410] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 665.882691] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 665.889961] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 665.897274] skb_clone+0x1bb/0x500 [ 665.900822] ? finish_task_switch+0x1b4/0x910 [ 665.905318] ? skb_split+0x11e0/0x11e0 [ 665.909208] ? preempt_notifier_register+0x200/0x200 [ 665.914310] ? __switch_to_asm+0x34/0x70 [ 665.918370] ? __switch_to_asm+0x34/0x70 [ 665.922463] ? __switch_to_asm+0x40/0x70 [ 665.926519] ? __switch_to_asm+0x34/0x70 [ 665.930576] ? __switch_to_asm+0x40/0x70 [ 665.934636] ? __switch_to_asm+0x34/0x70 [ 665.938699] ? __switch_to_asm+0x40/0x70 [ 665.942762] ? __switch_to_asm+0x34/0x70 [ 665.946822] ? __switch_to_asm+0x34/0x70 [ 665.950878] ? __switch_to_asm+0x40/0x70 [ 665.954936] ? __switch_to_asm+0x34/0x70 [ 665.959003] bpf_clone_redirect+0xb9/0x490 [ 665.963243] ? __schedule+0x8d7/0x21d0 [ 665.967152] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 665.972186] ? __sched_text_start+0x8/0x8 [ 665.976338] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 665.980918] ? retint_kernel+0x2d/0x2d [ 665.984810] ? trace_hardirqs_on_caller+0xc0/0x310 [ 665.989747] ? find_held_lock+0x36/0x1c0 [ 665.993818] ? lock_acquire+0x1ed/0x520 [ 665.997830] ? bpf_test_run+0x3cb/0x780 [ 666.001821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.007361] ? check_preemption_disabled+0x48/0x280 [ 666.012385] ? kasan_check_read+0x11/0x20 [ 666.016538] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 666.021836] ? rcu_softirq_qs+0x20/0x20 [ 666.025812] ? preempt_schedule+0x4d/0x60 [ 666.029961] ? ___preempt_schedule+0x16/0x18 [ 666.034395] ? bpf_test_run+0x25d/0x780 [ 666.038405] ? netlink_diag_dump+0x2a0/0x2a0 [ 666.042827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 666.048363] ? bpf_test_init.isra.10+0x70/0x100 [ 666.053088] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 666.057853] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 666.062713] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 666.068248] ? fput+0x130/0x1a0 [ 666.071536] ? __bpf_prog_get+0x9b/0x290 [ 666.075604] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 666.080447] ? bpf_prog_test_run+0x130/0x1a0 [ 666.084862] ? __x64_sys_bpf+0x3d8/0x520 [ 666.088924] ? bpf_prog_get+0x20/0x20 [ 666.092744] ? do_syscall_64+0x1b9/0x820 [ 666.096821] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 666.102301] ? syscall_return_slowpath+0x5e0/0x5e0 [ 666.107352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.112197] ? trace_hardirqs_on_caller+0x310/0x310 [ 666.117214] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 666.122229] ? prepare_exit_to_usermode+0x291/0x3b0 [ 666.127254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.132109] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 666.137519] warn_alloc_show_mem: 1 callbacks suppressed [ 666.137531] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 666.137533] Mem-Info: [ 666.137566] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 666.137566] active_file:14 inactive_file:14 isolated_file:0 [ 666.137566] unevictable:0 dirty:0 writeback:0 unstable:0 [ 666.137566] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 666.137566] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 666.137566] free:13772 free_pcp:380 free_cma:0 [ 666.142903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 666.149923] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 666.152320] Call Trace: [ 666.185468] 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 [ 666.194817] [ 666.222639] lowmem_reserve[]: 0 2818 6321 6321 [ 666.225239] dump_stack+0x244/0x39d [ 666.251335] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 666.253491] ? dump_stack_print_info.cold.1+0x20/0x20 [ 666.258040] lowmem_reserve[]: 0 0 3503 3503 [ 666.261674] warn_alloc.cold.116+0xb7/0x1bd [ 666.289151] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 666.294348] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 666.298648] lowmem_reserve[]: 0 0 0 0 [ 666.302981] ? lock_downgrade+0x900/0x900 [ 666.332104] 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 [ 666.336948] ? trace_hardirqs_off+0xb8/0x310 [ 666.340713] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 666.344860] ? trace_hardirqs_off+0xb8/0x310 [ 666.358355] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 666.362764] __alloc_pages_slowpath+0x26e8/0x2e10 [ 666.377997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 666.382428] ? warn_alloc+0x120/0x120 [ 666.396770] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 666.401602] ? warn_alloc+0x120/0x120 [ 666.410408] 12557 total pagecache pages [ 666.414216] ? warn_alloc+0x120/0x120 [ 666.422768] 0 pages in swap cache [ 666.426574] ? print_usage_bug+0xc0/0xc0 [ 666.430525] Swap cache stats: add 0, delete 0, find 0/0 [ 666.430533] Free swap = 0kB [ 666.434344] ? print_usage_bug+0xc0/0xc0 [ 666.437770] Total swap = 0kB [ 666.441822] ? ktime_get+0x2c1/0x400 [ 666.447180] 1965979 pages RAM [ 666.450207] ? check_preemption_disabled+0x48/0x280 [ 666.454236] 0 pages HighMem/MovableOnly [ 666.457244] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 666.460948] 342853 pages reserved [ 666.464050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 666.469056] 0 pages cma reserved [ 666.473023] ? should_fail+0x22d/0xd01 [ 666.477583] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 666.480942] ? kasan_check_read+0x11/0x20 [ 666.486646] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 666.489815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 666.493680] syz-executor1 cpuset=syz1 mems_allowed=0 [ 666.500162] ? __lock_acquire+0x62f/0x4c20 [ 666.529154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 666.534268] ? should_fail+0x22d/0xd01 [ 666.538168] ? print_usage_bug+0xc0/0xc0 [ 666.542252] ? mark_held_locks+0x130/0x130 [ 666.546492] ? mark_held_locks+0x130/0x130 [ 666.550729] ? check_preemption_disabled+0x48/0x280 [ 666.555771] ? zap_class+0x640/0x640 [ 666.559488] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 666.564252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.569796] ? check_preemption_disabled+0x48/0x280 [ 666.574824] ? __lock_is_held+0xb5/0x140 [ 666.578895] __alloc_pages_nodemask+0xa80/0xde0 [ 666.583564] ? zap_class+0x640/0x640 [ 666.587287] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 666.592317] ? find_held_lock+0x36/0x1c0 [ 666.596390] ? ____cache_alloc_node+0x1c7/0x1e0 [ 666.601067] ? lock_downgrade+0x900/0x900 [ 666.605239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.610782] cache_grow_begin+0xa5/0x8c0 [ 666.614885] ? do_raw_spin_unlock+0xa7/0x330 [ 666.619301] fallback_alloc+0x204/0x2e0 [ 666.623286] ____cache_alloc_node+0x1c7/0x1e0 [ 666.627800] kmem_cache_alloc_node+0xe3/0x730 [ 666.632338] ? lockdep_hardirqs_on+0x296/0x5b0 [ 666.636933] __alloc_skb+0x119/0x770 [ 666.640645] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 666.646015] ? netdev_alloc_frag+0x1f0/0x1f0 [ 666.650441] ? vprintk_default+0x28/0x30 [ 666.654519] ? vprintk_func+0x85/0x181 [ 666.658419] ? printk+0xa7/0xcf [ 666.661716] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 666.666489] new_skb+0x26/0x1c0 [ 666.669775] aoecmd_cfg+0x279/0x7f0 [ 666.673406] ? find_held_lock+0x36/0x1c0 [ 666.677482] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 666.681828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.687398] ? __lock_is_held+0xb5/0x140 [ 666.691480] discover_timer+0x50/0x60 [ 666.695300] call_timer_fn+0x272/0x920 [ 666.699193] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 666.704035] ? process_timeout+0x40/0x40 [ 666.708108] ? mark_held_locks+0xc7/0x130 [ 666.712259] ? _raw_spin_unlock_irq+0x27/0x80 [ 666.716782] ? _raw_spin_unlock_irq+0x27/0x80 [ 666.721292] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 666.726150] ? lockdep_hardirqs_on+0x296/0x5b0 [ 666.730740] ? trace_hardirqs_on+0xbd/0x310 [ 666.735064] ? kasan_check_read+0x11/0x20 [ 666.739215] ? __run_timers+0x7da/0xc70 [ 666.743204] ? trace_hardirqs_off_caller+0x310/0x310 [ 666.748339] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 666.753201] __run_timers+0x7e5/0xc70 [ 666.757017] ? timer_fixup_init+0x70/0x70 [ 666.761167] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 666.766197] ? zap_class+0x640/0x640 [ 666.769919] ? print_usage_bug+0xc0/0xc0 [ 666.773982] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 666.779185] ? find_held_lock+0x36/0x1c0 [ 666.783254] ? zap_class+0x640/0x640 [ 666.786977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.792520] ? check_preemption_disabled+0x48/0x280 [ 666.797549] ? __lock_is_held+0xb5/0x140 [ 666.801612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.807152] ? check_preemption_disabled+0x48/0x280 [ 666.812184] run_timer_softirq+0x52/0xb0 [ 666.816247] ? rcu_read_lock_sched_held+0x14f/0x180 [ 666.821264] __do_softirq+0x308/0xb7e [ 666.825103] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 666.829601] ? lock_downgrade+0x900/0x900 [ 666.833753] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 666.838883] ? pvclock_read_flags+0x160/0x160 [ 666.843382] ? lapic_next_event+0x5a/0x90 [ 666.847537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.853097] ? kvm_clock_read+0x18/0x30 [ 666.857104] ? kvm_sched_clock_read+0x9/0x20 [ 666.861515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 666.867054] ? check_preemption_disabled+0x48/0x280 [ 666.872079] irq_exit+0x17f/0x1c0 [ 666.875540] smp_apic_timer_interrupt+0x1cb/0x760 [ 666.880386] ? smp_reschedule_interrupt+0x109/0x650 [ 666.885419] ? smp_call_function_single_interrupt+0x650/0x650 [ 666.891337] ? interrupt_entry+0xb5/0xc0 [ 666.895401] ? trace_hardirqs_off_caller+0xbb/0x310 [ 666.900433] ? trace_hardirqs_off_caller+0xbb/0x310 [ 666.905456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.910300] ? trace_hardirqs_on_caller+0x310/0x310 [ 666.915333] ? trace_hardirqs_on_caller+0x310/0x310 [ 666.920355] ? task_prio+0x50/0x50 [ 666.923898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 666.929444] ? check_preemption_disabled+0x48/0x280 [ 666.934471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 666.939326] apic_timer_interrupt+0xf/0x20 [ 666.943559] [ 666.945803] RIP: 0010:dump_stack+0x20e/0x39d [ 666.950213] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 666.969114] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 666.976998] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 666.984267] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 666.991537] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 666.998803] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 667.006073] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 667.013372] ? dump_stack+0x205/0x39d [ 667.017194] ? dump_stack_print_info.cold.1+0x20/0x20 [ 667.022391] ? mark_held_locks+0x130/0x130 [ 667.026636] ? mark_held_locks+0x130/0x130 [ 667.030880] dump_header+0x27b/0xf72 [ 667.034610] ? pagefault_out_of_memory+0x197/0x197 [ 667.039552] ? __lock_acquire+0x62f/0x4c20 [ 667.043787] ? percpu_ref_get_many+0x240/0x240 [ 667.048376] ? print_usage_bug+0xc0/0xc0 [ 667.052450] ? zap_class+0x640/0x640 [ 667.056200] ? print_usage_bug+0xc0/0xc0 [ 667.060278] ? print_usage_bug+0xc0/0xc0 [ 667.064341] ? zap_class+0x640/0x640 [ 667.068062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.073609] ? find_held_lock+0x36/0x1c0 [ 667.077681] ? mark_held_locks+0xc7/0x130 [ 667.081833] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 667.086935] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 667.092041] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 667.096626] ? trace_hardirqs_on+0xbd/0x310 [ 667.100954] ? kasan_check_read+0x11/0x20 [ 667.105101] ? ___ratelimit+0x3b4/0x672 [ 667.109080] ? trace_hardirqs_off_caller+0x310/0x310 [ 667.114198] ? trace_hardirqs_on+0x310/0x310 [ 667.118618] ? lock_downgrade+0x900/0x900 [ 667.122774] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 667.127880] ? ___ratelimit+0x3b9/0x672 [ 667.131860] ? idr_get_free+0xf70/0xf70 [ 667.135835] ? find_held_lock+0x36/0x1c0 [ 667.139918] oom_kill_process.cold.27+0x10/0x903 [ 667.144677] ? zap_class+0x640/0x640 [ 667.148397] ? check_preemption_disabled+0x48/0x280 [ 667.153430] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 667.158362] ? kasan_check_read+0x11/0x20 [ 667.162516] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 667.167796] ? oom_evaluate_task+0x540/0x540 [ 667.172214] ? find_held_lock+0x36/0x1c0 [ 667.176285] ? out_of_memory+0x974/0x1430 [ 667.180443] ? lock_downgrade+0x900/0x900 [ 667.184612] ? check_preemption_disabled+0x48/0x280 [ 667.189635] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 667.194565] ? kasan_check_read+0x11/0x20 [ 667.198746] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 667.204022] ? rcu_softirq_qs+0x20/0x20 [ 667.208004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.213542] ? oom_evaluate_task+0x302/0x540 [ 667.217956] out_of_memory+0xa84/0x1430 [ 667.221940] ? oom_killer_disable+0x3a0/0x3a0 [ 667.226441] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 667.231372] ? __ww_mutex_check_waiters+0x160/0x160 [ 667.236401] __alloc_pages_slowpath+0x2354/0x2e10 [ 667.241283] ? warn_alloc+0x120/0x120 [ 667.245088] ? mark_held_locks+0x130/0x130 [ 667.249328] ? find_get_entry+0xaae/0x1120 [ 667.253575] ? filemap_map_pages+0x1a20/0x1a20 [ 667.258168] ? zap_class+0x640/0x640 [ 667.261896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.267441] ? check_preemption_disabled+0x48/0x280 [ 667.272461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.278000] ? should_fail+0x22d/0xd01 [ 667.281897] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 667.287005] ? zap_class+0x640/0x640 [ 667.290744] ? __lock_is_held+0xb5/0x140 [ 667.294819] ? mark_held_locks+0x130/0x130 [ 667.299057] ? lock_release+0xa00/0xa00 [ 667.303034] ? perf_trace_sched_process_exec+0x860/0x860 [ 667.308577] ? xa_load+0x2ba/0x460 [ 667.312136] ? lock_downgrade+0x900/0x900 [ 667.316292] ? __might_sleep+0x95/0x190 [ 667.320285] __alloc_pages_nodemask+0xa80/0xde0 [ 667.324964] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 667.329981] ? __page_cache_alloc+0x191/0x5c0 [ 667.334477] ? xa_load+0x2e1/0x460 [ 667.338018] ? xa_clear_mark+0x40/0x40 [ 667.341912] ? zap_class+0x640/0x640 [ 667.345639] ? zap_class+0x640/0x640 [ 667.349354] ? zap_class+0x640/0x640 [ 667.353083] ? __do_page_cache_readahead+0x663/0x810 [ 667.358195] ? find_held_lock+0x36/0x1c0 [ 667.362264] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 667.367808] alloc_pages_current+0x173/0x350 [ 667.372225] __page_cache_alloc+0x38c/0x5c0 [ 667.376553] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 667.381486] ? kasan_check_read+0x11/0x20 [ 667.385636] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 667.390915] ? generic_perform_write+0x6a0/0x6a0 [ 667.395672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.401216] ? check_preemption_disabled+0x48/0x280 [ 667.406246] filemap_fault+0x1595/0x25f0 [ 667.410339] ? __lock_page_or_retry+0xa00/0xa00 [ 667.415012] ? mark_held_locks+0x130/0x130 [ 667.419258] ? filemap_map_pages+0xd6b/0x1a20 [ 667.423756] ? lock_downgrade+0x900/0x900 [ 667.427903] ? check_preemption_disabled+0x48/0x280 [ 667.432922] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 667.437858] ? kasan_check_read+0x11/0x20 [ 667.442008] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 667.447287] ? rcu_softirq_qs+0x20/0x20 [ 667.451292] ? filemap_map_pages+0xd92/0x1a20 [ 667.455801] ? find_get_entries_tag+0x1400/0x1400 [ 667.460650] ? debug_object_destroy+0x2b0/0x2b0 [ 667.465322] ? lock_pi_update_atomic+0x150/0x150 [ 667.470090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.475647] ? lock_acquire+0x1ed/0x520 [ 667.479639] ? ext4_filemap_fault+0x7a/0xad [ 667.483970] ? lock_release+0xa00/0xa00 [ 667.487947] ? perf_trace_sched_process_exec+0x860/0x860 [ 667.493399] ? print_usage_bug+0xc0/0xc0 [ 667.497474] ? print_usage_bug+0xc0/0xc0 [ 667.501548] ? down_read+0x8d/0x120 [ 667.505183] ? ext4_filemap_fault+0x7a/0xad [ 667.509509] ? __down_interruptible+0x700/0x700 [ 667.514193] ext4_filemap_fault+0x82/0xad [ 667.518352] __do_fault+0x100/0x6b0 [ 667.521978] ? find_held_lock+0x36/0x1c0 [ 667.526043] ? pmd_devmap_trans_unstable+0x220/0x220 [ 667.531150] ? mark_held_locks+0x130/0x130 [ 667.535408] ? mark_held_locks+0x130/0x130 [ 667.539659] ? debug_smp_processor_id+0x1c/0x20 [ 667.544332] ? perf_trace_lock+0x14d/0x7a0 [ 667.548570] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 667.553161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.558712] __handle_mm_fault+0x3ea0/0x5be0 [ 667.563136] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 667.567982] ? lock_is_held_type+0x210/0x210 [ 667.572402] ? preempt_notifier_register+0x200/0x200 [ 667.577515] ? __switch_to_asm+0x34/0x70 [ 667.581578] ? __switch_to_asm+0x34/0x70 [ 667.585653] ? zap_class+0x640/0x640 [ 667.589367] ? zap_class+0x640/0x640 [ 667.593082] ? __x64_sys_futex+0x53e/0x6a0 [ 667.597326] ? find_held_lock+0x36/0x1c0 [ 667.601399] ? handle_mm_fault+0x42a/0xc70 [ 667.605648] ? lock_downgrade+0x900/0x900 [ 667.609799] ? check_preemption_disabled+0x48/0x280 [ 667.614821] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 667.619751] ? kasan_check_read+0x11/0x20 [ 667.623898] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 667.629184] ? rcu_softirq_qs+0x20/0x20 [ 667.633160] ? trace_hardirqs_off_caller+0x310/0x310 [ 667.638273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.643816] ? check_preemption_disabled+0x48/0x280 [ 667.648850] handle_mm_fault+0x54f/0xc70 [ 667.652917] ? __handle_mm_fault+0x5be0/0x5be0 [ 667.657506] ? find_vma+0x34/0x190 [ 667.661053] __do_page_fault+0x5e8/0xe60 [ 667.665113] ? trace_hardirqs_off+0xb8/0x310 [ 667.669534] do_page_fault+0xf2/0x7e0 [ 667.673336] ? vmalloc_sync_all+0x30/0x30 [ 667.677487] ? error_entry+0x70/0xd0 [ 667.681224] ? trace_hardirqs_off_caller+0xbb/0x310 [ 667.686256] ? trace_hardirqs_on_caller+0xc0/0x310 [ 667.691216] ? syscall_return_slowpath+0x5e0/0x5e0 [ 667.696150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 667.700998] ? trace_hardirqs_on_caller+0x310/0x310 [ 667.706013] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 667.711467] ? prepare_exit_to_usermode+0x291/0x3b0 [ 667.716484] ? page_fault+0x8/0x30 [ 667.720029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 667.724874] ? page_fault+0x8/0x30 [ 667.728422] page_fault+0x1e/0x30 [ 667.731876] RIP: 0033:0x40f9c0 [ 667.735094] Code: Bad RIP value. [ 667.738469] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 667.743831] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 667.751096] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 667.758364] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 667.765633] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 667.772902] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 667.780209] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 667.780319] aoe: skb alloc failure [ 667.787483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 667.787488] Call Trace: [ 667.787495] [ 667.787518] dump_stack+0x244/0x39d [ 667.787538] ? dump_stack_print_info.cold.1+0x20/0x20 [ 667.791090] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 667.800432] warn_alloc.cold.116+0xb7/0x1bd [ 667.802979] syz-fuzzer cpuset=/ mems_allowed=0 [ 667.805123] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 667.837847] ? lock_downgrade+0x900/0x900 [ 667.842005] ? trace_hardirqs_off+0xb8/0x310 [ 667.846444] ? trace_hardirqs_off+0xb8/0x310 [ 667.850883] __alloc_pages_slowpath+0x26e8/0x2e10 [ 667.855768] ? warn_alloc+0x120/0x120 [ 667.859576] ? warn_alloc+0x120/0x120 [ 667.863383] ? zap_class+0x640/0x640 [ 667.867103] ? warn_alloc+0x120/0x120 [ 667.870908] ? print_usage_bug+0xc0/0xc0 [ 667.874968] ? idle_cpu+0x1d0/0x1d0 [ 667.878593] ? kvm_sched_clock_read+0x9/0x20 [ 667.883005] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 667.888024] ? print_usage_bug+0xc0/0xc0 [ 667.892103] ? __lock_is_held+0xb5/0x140 [ 667.896174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 667.901711] ? should_fail+0x22d/0xd01 [ 667.905619] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 667.910729] ? __lock_acquire+0x62f/0x4c20 [ 667.914974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 667.920093] ? __lock_acquire+0x62f/0x4c20 [ 667.924320] ? should_fail+0x22d/0xd01 [ 667.928218] ? mark_held_locks+0x130/0x130 [ 667.932458] ? mark_held_locks+0x130/0x130 [ 667.936744] ? __enqueue_entity+0x10d/0x1f0 [ 667.941087] ? zap_class+0x640/0x640 [ 667.944799] ? print_usage_bug+0xc0/0xc0 [ 667.948879] ? __lock_acquire+0x62f/0x4c20 [ 667.953156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 667.958698] ? check_preemption_disabled+0x48/0x280 [ 667.963731] ? __lock_is_held+0xb5/0x140 [ 667.967800] __alloc_pages_nodemask+0xa80/0xde0 [ 667.972490] ? zap_class+0x640/0x640 [ 667.976481] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 667.981534] ? find_held_lock+0x36/0x1c0 [ 667.985636] ? ____cache_alloc_node+0x1c7/0x1e0 [ 667.990329] ? lock_downgrade+0x900/0x900 [ 667.994493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.000043] cache_grow_begin+0xa5/0x8c0 [ 668.004117] ? do_raw_spin_unlock+0xa7/0x330 [ 668.008534] fallback_alloc+0x204/0x2e0 [ 668.012517] ____cache_alloc_node+0x1c7/0x1e0 [ 668.017018] kmem_cache_alloc_node+0xe3/0x730 [ 668.021519] ? ipv6_get_ifaddr+0x42e/0x620 [ 668.025769] __alloc_skb+0x119/0x770 [ 668.029485] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 668.034762] ? netdev_alloc_frag+0x1f0/0x1f0 [ 668.039170] ? lock_downgrade+0x900/0x900 [ 668.043326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.048883] ? refcount_sub_and_test_checked+0x203/0x310 [ 668.054336] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 668.059785] ? addrconf_rs_timer+0x690/0x690 [ 668.064203] ndisc_alloc_skb+0x144/0x340 [ 668.068273] ndisc_send_rs+0x331/0x6e0 [ 668.072180] addrconf_rs_timer+0x314/0x690 [ 668.076447] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 668.080701] call_timer_fn+0x272/0x920 [ 668.084589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 668.088829] ? process_timeout+0x40/0x40 [ 668.092899] ? __run_timers+0x7da/0xc70 [ 668.096877] ? _raw_spin_unlock_irq+0x27/0x80 [ 668.101373] ? _raw_spin_unlock_irq+0x27/0x80 [ 668.105867] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 668.110101] ? lockdep_hardirqs_on+0x296/0x5b0 [ 668.114692] ? trace_hardirqs_on+0xbd/0x310 [ 668.119042] ? kasan_check_read+0x11/0x20 [ 668.123206] ? __run_timers+0x7da/0xc70 [ 668.127185] ? trace_hardirqs_off_caller+0x310/0x310 [ 668.132303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 668.136538] __run_timers+0x7e5/0xc70 [ 668.140353] ? timer_fixup_init+0x70/0x70 [ 668.144508] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 668.149527] ? zap_class+0x640/0x640 [ 668.153250] ? enqueue_hrtimer+0x1a5/0x560 [ 668.157488] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 668.162690] ? find_held_lock+0x36/0x1c0 [ 668.166759] ? zap_class+0x640/0x640 [ 668.170480] ? pvclock_read_flags+0x160/0x160 [ 668.174979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.180519] ? check_preemption_disabled+0x48/0x280 [ 668.185549] ? __lock_is_held+0xb5/0x140 [ 668.189615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.195155] ? check_preemption_disabled+0x48/0x280 [ 668.200176] run_timer_softirq+0x52/0xb0 [ 668.204253] ? rcu_read_lock_sched_held+0x14f/0x180 [ 668.209266] __do_softirq+0x308/0xb7e [ 668.213072] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 668.217570] ? lock_downgrade+0x900/0x900 [ 668.221726] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 668.226837] ? pvclock_read_flags+0x160/0x160 [ 668.231339] ? lapic_next_event+0x5a/0x90 [ 668.235489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.241036] ? kvm_clock_read+0x18/0x30 [ 668.245008] ? kvm_sched_clock_read+0x9/0x20 [ 668.249426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.254970] ? check_preemption_disabled+0x48/0x280 [ 668.259996] irq_exit+0x17f/0x1c0 [ 668.263462] smp_apic_timer_interrupt+0x1cb/0x760 [ 668.268317] ? smp_reschedule_interrupt+0x109/0x650 [ 668.273335] ? smp_call_function_single_interrupt+0x650/0x650 [ 668.279219] ? interrupt_entry+0xb5/0xc0 [ 668.283281] ? trace_hardirqs_off_caller+0xbb/0x310 [ 668.288312] ? trace_hardirqs_off_caller+0xbb/0x310 [ 668.293328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.298170] ? trace_hardirqs_on_caller+0x310/0x310 [ 668.303196] ? trace_hardirqs_on_caller+0x310/0x310 [ 668.308211] ? task_prio+0x50/0x50 [ 668.311756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.317311] ? check_preemption_disabled+0x48/0x280 [ 668.322350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.327204] apic_timer_interrupt+0xf/0x20 [ 668.331442] [ 668.333690] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 668.338621] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 668.357523] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 668.365230] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 668.372494] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 668.379762] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 668.387028] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 668.394294] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 668.401611] skb_clone+0x1bb/0x500 [ 668.405156] ? finish_task_switch+0x1b4/0x910 [ 668.409655] ? skb_split+0x11e0/0x11e0 [ 668.413550] ? preempt_notifier_register+0x200/0x200 [ 668.418656] ? __switch_to_asm+0x34/0x70 [ 668.422728] ? __switch_to_asm+0x34/0x70 [ 668.426797] ? __switch_to_asm+0x40/0x70 [ 668.430859] ? __switch_to_asm+0x34/0x70 [ 668.434917] ? __switch_to_asm+0x40/0x70 [ 668.438978] ? __switch_to_asm+0x34/0x70 [ 668.443038] ? __switch_to_asm+0x40/0x70 [ 668.447100] ? __switch_to_asm+0x34/0x70 [ 668.451161] ? __switch_to_asm+0x34/0x70 [ 668.455223] ? __switch_to_asm+0x40/0x70 [ 668.459286] ? __switch_to_asm+0x34/0x70 [ 668.463356] bpf_clone_redirect+0xb9/0x490 [ 668.467596] ? __schedule+0x8d7/0x21d0 [ 668.471490] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 668.476514] ? __sched_text_start+0x8/0x8 [ 668.480666] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 668.485252] ? retint_kernel+0x2d/0x2d [ 668.489141] ? trace_hardirqs_on_caller+0xc0/0x310 [ 668.494078] ? find_held_lock+0x36/0x1c0 [ 668.498165] ? lock_acquire+0x1ed/0x520 [ 668.502145] ? bpf_test_run+0x3cb/0x780 [ 668.506123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 668.511662] ? check_preemption_disabled+0x48/0x280 [ 668.516697] ? kasan_check_read+0x11/0x20 [ 668.520847] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 668.526126] ? rcu_softirq_qs+0x20/0x20 [ 668.530101] ? preempt_schedule+0x4d/0x60 [ 668.534251] ? ___preempt_schedule+0x16/0x18 [ 668.538680] ? bpf_test_run+0x25d/0x780 [ 668.542667] ? netlink_diag_dump+0x2a0/0x2a0 [ 668.547084] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 668.552637] ? bpf_test_init.isra.10+0x70/0x100 [ 668.557313] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 668.562115] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 668.566960] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 668.572502] ? fput+0x130/0x1a0 [ 668.575784] ? __bpf_prog_get+0x9b/0x290 [ 668.579853] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 668.584795] ? bpf_prog_test_run+0x130/0x1a0 [ 668.589207] ? __x64_sys_bpf+0x3d8/0x520 [ 668.593275] ? bpf_prog_get+0x20/0x20 [ 668.597093] ? do_syscall_64+0x1b9/0x820 [ 668.601157] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 668.606523] ? syscall_return_slowpath+0x5e0/0x5e0 [ 668.611452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.616303] ? trace_hardirqs_on_caller+0x310/0x310 [ 668.621324] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 668.626342] ? prepare_exit_to_usermode+0x291/0x3b0 [ 668.631368] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 668.636222] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 668.641601] warn_alloc_show_mem: 1 callbacks suppressed [ 668.641613] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 668.641615] Mem-Info: [ 668.641647] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 668.641647] active_file:14 inactive_file:14 isolated_file:0 [ 668.641647] unevictable:0 dirty:0 writeback:0 unstable:0 [ 668.641647] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 668.641647] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 668.641647] free:13772 free_pcp:380 free_cma:0 [ 668.646983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 668.654015] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 668.656422] Call Trace: [ 668.689552] 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 [ 668.698894] [ 668.726721] lowmem_reserve[]: 0 2818 6321 6321 [ 668.729309] dump_stack+0x244/0x39d [ 668.755382] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 668.757558] ? dump_stack_print_info.cold.1+0x20/0x20 [ 668.762101] lowmem_reserve[]: 0 0 3503 3503 [ 668.765733] warn_alloc.cold.116+0xb7/0x1bd [ 668.793196] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 668.798381] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 668.802672] lowmem_reserve[]: 0 0 0 0 [ 668.806989] ? lock_downgrade+0x900/0x900 [ 668.836114] 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 [ 668.840958] ? trace_hardirqs_off+0xb8/0x310 [ 668.844726] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 668.848871] ? trace_hardirqs_off+0xb8/0x310 [ 668.862363] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 668.866781] __alloc_pages_slowpath+0x26e8/0x2e10 [ 668.882017] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 668.886451] ? warn_alloc+0x120/0x120 [ 668.900796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 668.905630] ? warn_alloc+0x120/0x120 [ 668.914439] 12557 total pagecache pages [ 668.918236] ? __lock_acquire+0x62f/0x4c20 [ 668.926786] 0 pages in swap cache [ 668.930577] ? warn_alloc+0x120/0x120 [ 668.934528] Swap cache stats: add 0, delete 0, find 0/0 [ 668.938753] ? print_usage_bug+0xc0/0xc0 [ 668.942194] Free swap = 0kB [ 668.945988] ? print_usage_bug+0xc0/0xc0 [ 668.951319] Total swap = 0kB [ 668.951328] 1965979 pages RAM [ 668.955385] ? mark_held_locks+0x130/0x130 [ 668.958376] 0 pages HighMem/MovableOnly [ 668.962440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 668.965435] 342853 pages reserved [ 668.968535] ? should_fail+0x22d/0xd01 [ 668.972743] 0 pages cma reserved [ 668.976800] ? zap_class+0x640/0x640 [ 668.976820] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 668.982398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 668.985780] ? __lock_acquire+0x62f/0x4c20 [ 668.989738] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 668.993002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 668.996697] syz-executor1 cpuset=syz1 mems_allowed=0 [ 669.001793] ? should_fail+0x22d/0xd01 [ 669.037011] ? mark_held_locks+0x130/0x130 [ 669.041255] ? mark_held_locks+0x130/0x130 [ 669.045495] ? lock_downgrade+0x900/0x900 [ 669.049645] ? zap_class+0x640/0x640 [ 669.053361] ? zap_class+0x640/0x640 [ 669.057082] ? zap_class+0x640/0x640 [ 669.060798] ? do_raw_spin_unlock+0xa7/0x330 [ 669.065228] ? trace_hardirqs_on+0x310/0x310 [ 669.069637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.075181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.080900] ? check_preemption_disabled+0x48/0x280 [ 669.085929] ? __lock_is_held+0xb5/0x140 [ 669.089999] __alloc_pages_nodemask+0xa80/0xde0 [ 669.094673] ? zap_class+0x640/0x640 [ 669.098393] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 669.103439] ? find_held_lock+0x36/0x1c0 [ 669.107514] ? ____cache_alloc_node+0x1c7/0x1e0 [ 669.112190] ? lock_downgrade+0x900/0x900 [ 669.116353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.121898] cache_grow_begin+0xa5/0x8c0 [ 669.125965] ? do_raw_spin_unlock+0xa7/0x330 [ 669.130385] fallback_alloc+0x204/0x2e0 [ 669.134375] ____cache_alloc_node+0x1c7/0x1e0 [ 669.138876] kmem_cache_alloc_node+0xe3/0x730 [ 669.143373] ? lockdep_hardirqs_on+0x296/0x5b0 [ 669.147965] __alloc_skb+0x119/0x770 [ 669.151678] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 669.157054] ? netdev_alloc_frag+0x1f0/0x1f0 [ 669.161489] ? vprintk_default+0x28/0x30 [ 669.165550] ? vprintk_func+0x85/0x181 [ 669.169461] ? printk+0xa7/0xcf [ 669.172743] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 669.177513] new_skb+0x26/0x1c0 [ 669.180798] aoecmd_cfg+0x279/0x7f0 [ 669.184439] ? find_held_lock+0x36/0x1c0 [ 669.188508] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 669.192840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.198390] ? __lock_is_held+0xb5/0x140 [ 669.202478] discover_timer+0x50/0x60 [ 669.206280] call_timer_fn+0x272/0x920 [ 669.210219] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 669.215059] ? process_timeout+0x40/0x40 [ 669.219130] ? mark_held_locks+0xc7/0x130 [ 669.223283] ? _raw_spin_unlock_irq+0x27/0x80 [ 669.227777] ? _raw_spin_unlock_irq+0x27/0x80 [ 669.232273] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 669.237116] ? lockdep_hardirqs_on+0x296/0x5b0 [ 669.241702] ? trace_hardirqs_on+0xbd/0x310 [ 669.246023] ? kasan_check_read+0x11/0x20 [ 669.250172] ? __run_timers+0x7da/0xc70 [ 669.254161] ? trace_hardirqs_off_caller+0x310/0x310 [ 669.259289] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 669.264131] __run_timers+0x7e5/0xc70 [ 669.267943] ? timer_fixup_init+0x70/0x70 [ 669.272094] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 669.277117] ? zap_class+0x640/0x640 [ 669.280835] ? print_usage_bug+0xc0/0xc0 [ 669.284909] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 669.290107] ? find_held_lock+0x36/0x1c0 [ 669.294178] ? zap_class+0x640/0x640 [ 669.297901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.303452] ? check_preemption_disabled+0x48/0x280 [ 669.308480] ? __lock_is_held+0xb5/0x140 [ 669.312542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.318083] ? check_preemption_disabled+0x48/0x280 [ 669.323108] run_timer_softirq+0x52/0xb0 [ 669.327172] ? rcu_read_lock_sched_held+0x14f/0x180 [ 669.332198] __do_softirq+0x308/0xb7e [ 669.336002] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 669.340498] ? lock_downgrade+0x900/0x900 [ 669.344652] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 669.349766] ? pvclock_read_flags+0x160/0x160 [ 669.354270] ? lapic_next_event+0x5a/0x90 [ 669.358430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.363977] ? kvm_clock_read+0x18/0x30 [ 669.367952] ? kvm_sched_clock_read+0x9/0x20 [ 669.372367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 669.377906] ? check_preemption_disabled+0x48/0x280 [ 669.382936] irq_exit+0x17f/0x1c0 [ 669.386395] smp_apic_timer_interrupt+0x1cb/0x760 [ 669.391246] ? smp_reschedule_interrupt+0x109/0x650 [ 669.396269] ? smp_call_function_single_interrupt+0x650/0x650 [ 669.402158] ? interrupt_entry+0xb5/0xc0 [ 669.406226] ? trace_hardirqs_off_caller+0xbb/0x310 [ 669.411240] ? trace_hardirqs_off_caller+0xbb/0x310 [ 669.416263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 669.421108] ? trace_hardirqs_on_caller+0x310/0x310 [ 669.426128] ? trace_hardirqs_on_caller+0x310/0x310 [ 669.431147] ? task_prio+0x50/0x50 [ 669.434696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.440236] ? check_preemption_disabled+0x48/0x280 [ 669.445263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 669.450117] apic_timer_interrupt+0xf/0x20 [ 669.454344] [ 669.456588] RIP: 0010:dump_stack+0x20e/0x39d [ 669.461002] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 669.479906] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 669.487614] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 669.494885] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 669.502155] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 669.509431] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 669.516698] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 669.523990] ? dump_stack+0x205/0x39d [ 669.527812] ? dump_stack_print_info.cold.1+0x20/0x20 [ 669.533006] ? mark_held_locks+0x130/0x130 [ 669.537239] ? mark_held_locks+0x130/0x130 [ 669.541504] dump_header+0x27b/0xf72 [ 669.545232] ? pagefault_out_of_memory+0x197/0x197 [ 669.550169] ? __lock_acquire+0x62f/0x4c20 [ 669.554429] ? percpu_ref_get_many+0x240/0x240 [ 669.559015] ? print_usage_bug+0xc0/0xc0 [ 669.563085] ? zap_class+0x640/0x640 [ 669.566817] ? print_usage_bug+0xc0/0xc0 [ 669.570876] ? print_usage_bug+0xc0/0xc0 [ 669.574940] ? zap_class+0x640/0x640 [ 669.578657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.584217] ? find_held_lock+0x36/0x1c0 [ 669.588288] ? mark_held_locks+0xc7/0x130 [ 669.592451] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 669.597554] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 669.602680] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 669.607267] ? trace_hardirqs_on+0xbd/0x310 [ 669.611591] ? kasan_check_read+0x11/0x20 [ 669.615754] ? ___ratelimit+0x3b4/0x672 [ 669.619732] ? trace_hardirqs_off_caller+0x310/0x310 [ 669.624840] ? trace_hardirqs_on+0x310/0x310 [ 669.629253] ? lock_downgrade+0x900/0x900 [ 669.633409] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 669.638522] ? ___ratelimit+0x3b9/0x672 [ 669.642498] ? idr_get_free+0xf70/0xf70 [ 669.646480] ? find_held_lock+0x36/0x1c0 [ 669.650564] oom_kill_process.cold.27+0x10/0x903 [ 669.655321] ? zap_class+0x640/0x640 [ 669.659048] ? check_preemption_disabled+0x48/0x280 [ 669.664116] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 669.669042] ? kasan_check_read+0x11/0x20 [ 669.673192] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 669.678475] ? oom_evaluate_task+0x540/0x540 [ 669.682888] ? find_held_lock+0x36/0x1c0 [ 669.686961] ? out_of_memory+0x974/0x1430 [ 669.691119] ? lock_downgrade+0x900/0x900 [ 669.695269] ? check_preemption_disabled+0x48/0x280 [ 669.700304] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 669.705231] ? kasan_check_read+0x11/0x20 [ 669.709379] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 669.714663] ? rcu_softirq_qs+0x20/0x20 [ 669.718641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 669.724182] ? oom_evaluate_task+0x302/0x540 [ 669.728592] out_of_memory+0xa84/0x1430 [ 669.732573] ? oom_killer_disable+0x3a0/0x3a0 [ 669.737096] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 669.742047] ? __ww_mutex_check_waiters+0x160/0x160 [ 669.747089] __alloc_pages_slowpath+0x2354/0x2e10 [ 669.751965] ? warn_alloc+0x120/0x120 [ 669.755763] ? mark_held_locks+0x130/0x130 [ 669.760002] ? find_get_entry+0xaae/0x1120 [ 669.764273] ? filemap_map_pages+0x1a20/0x1a20 [ 669.768862] ? zap_class+0x640/0x640 [ 669.772587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.778142] ? check_preemption_disabled+0x48/0x280 [ 669.783162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 669.788708] ? should_fail+0x22d/0xd01 [ 669.792602] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 669.797709] ? zap_class+0x640/0x640 [ 669.801456] ? __lock_is_held+0xb5/0x140 [ 669.805533] ? mark_held_locks+0x130/0x130 [ 669.809770] ? lock_release+0xa00/0xa00 [ 669.813765] ? perf_trace_sched_process_exec+0x860/0x860 [ 669.819220] ? xa_load+0x2ba/0x460 [ 669.822763] ? lock_downgrade+0x900/0x900 [ 669.826915] ? __might_sleep+0x95/0x190 [ 669.830898] __alloc_pages_nodemask+0xa80/0xde0 [ 669.835579] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 669.840599] ? __page_cache_alloc+0x191/0x5c0 [ 669.845093] ? xa_load+0x2e1/0x460 [ 669.848648] ? xa_clear_mark+0x40/0x40 [ 669.852539] ? zap_class+0x640/0x640 [ 669.856262] ? zap_class+0x640/0x640 [ 669.859990] ? zap_class+0x640/0x640 [ 669.863719] ? __do_page_cache_readahead+0x663/0x810 [ 669.868829] ? find_held_lock+0x36/0x1c0 [ 669.872894] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 669.878446] alloc_pages_current+0x173/0x350 [ 669.882859] __page_cache_alloc+0x38c/0x5c0 [ 669.887186] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 669.892112] ? kasan_check_read+0x11/0x20 [ 669.896271] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 669.901563] ? generic_perform_write+0x6a0/0x6a0 [ 669.906322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 669.911896] ? check_preemption_disabled+0x48/0x280 [ 669.916922] filemap_fault+0x1595/0x25f0 [ 669.920995] ? __lock_page_or_retry+0xa00/0xa00 [ 669.925668] ? mark_held_locks+0x130/0x130 [ 669.929912] ? filemap_map_pages+0xd6b/0x1a20 [ 669.934407] ? lock_downgrade+0x900/0x900 [ 669.938566] ? check_preemption_disabled+0x48/0x280 [ 669.943583] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 669.948509] ? kasan_check_read+0x11/0x20 [ 669.952671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 669.957963] ? rcu_softirq_qs+0x20/0x20 [ 669.961948] ? filemap_map_pages+0xd92/0x1a20 [ 669.966491] ? find_get_entries_tag+0x1400/0x1400 [ 669.971352] ? debug_object_destroy+0x2b0/0x2b0 [ 669.976039] ? lock_pi_update_atomic+0x150/0x150 [ 669.980795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 669.986346] ? lock_acquire+0x1ed/0x520 [ 669.990336] ? ext4_filemap_fault+0x7a/0xad [ 669.994696] ? lock_release+0xa00/0xa00 [ 669.998685] ? perf_trace_sched_process_exec+0x860/0x860 [ 670.004159] ? print_usage_bug+0xc0/0xc0 [ 670.008228] ? print_usage_bug+0xc0/0xc0 [ 670.012302] ? down_read+0x8d/0x120 [ 670.015924] ? ext4_filemap_fault+0x7a/0xad [ 670.020250] ? __down_interruptible+0x700/0x700 [ 670.024930] ext4_filemap_fault+0x82/0xad [ 670.029081] __do_fault+0x100/0x6b0 [ 670.032711] ? find_held_lock+0x36/0x1c0 [ 670.036791] ? pmd_devmap_trans_unstable+0x220/0x220 [ 670.041898] ? mark_held_locks+0x130/0x130 [ 670.046134] ? mark_held_locks+0x130/0x130 [ 670.050374] ? debug_smp_processor_id+0x1c/0x20 [ 670.055060] ? perf_trace_lock+0x14d/0x7a0 [ 670.059296] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 670.063921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 670.069462] __handle_mm_fault+0x3ea0/0x5be0 [ 670.073884] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 670.078729] ? lock_is_held_type+0x210/0x210 [ 670.083145] ? preempt_notifier_register+0x200/0x200 [ 670.088254] ? __switch_to_asm+0x34/0x70 [ 670.092313] ? __switch_to_asm+0x34/0x70 [ 670.096389] ? zap_class+0x640/0x640 [ 670.100109] ? zap_class+0x640/0x640 [ 670.103821] ? __x64_sys_futex+0x53e/0x6a0 [ 670.108590] ? find_held_lock+0x36/0x1c0 [ 670.112664] ? handle_mm_fault+0x42a/0xc70 [ 670.116904] ? lock_downgrade+0x900/0x900 [ 670.121064] ? check_preemption_disabled+0x48/0x280 [ 670.126087] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 670.131013] ? kasan_check_read+0x11/0x20 [ 670.135157] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 670.140444] ? rcu_softirq_qs+0x20/0x20 [ 670.144430] ? trace_hardirqs_off_caller+0x310/0x310 [ 670.149553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 670.155089] ? check_preemption_disabled+0x48/0x280 [ 670.160111] handle_mm_fault+0x54f/0xc70 [ 670.164184] ? __handle_mm_fault+0x5be0/0x5be0 [ 670.168773] ? find_vma+0x34/0x190 [ 670.172322] __do_page_fault+0x5e8/0xe60 [ 670.176381] ? trace_hardirqs_off+0xb8/0x310 [ 670.180805] do_page_fault+0xf2/0x7e0 [ 670.184605] ? vmalloc_sync_all+0x30/0x30 [ 670.188751] ? error_entry+0x70/0xd0 [ 670.192467] ? trace_hardirqs_off_caller+0xbb/0x310 [ 670.197493] ? trace_hardirqs_on_caller+0xc0/0x310 [ 670.202461] ? syscall_return_slowpath+0x5e0/0x5e0 [ 670.207388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.212243] ? trace_hardirqs_on_caller+0x310/0x310 [ 670.217259] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 670.222715] ? prepare_exit_to_usermode+0x291/0x3b0 [ 670.227728] ? page_fault+0x8/0x30 [ 670.231267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.236131] ? page_fault+0x8/0x30 [ 670.239675] page_fault+0x1e/0x30 [ 670.243122] RIP: 0033:0x40f9c0 [ 670.246323] Code: Bad RIP value. [ 670.249682] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 670.255039] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 670.262309] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 670.269574] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 670.277109] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 670.284373] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 670.291668] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 670.291745] aoe: skb alloc failure [ 670.298964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 670.298969] Call Trace: [ 670.298976] [ 670.298997] dump_stack+0x244/0x39d [ 670.299032] ? dump_stack_print_info.cold.1+0x20/0x20 [ 670.302592] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 670.311925] warn_alloc.cold.116+0xb7/0x1bd [ 670.314476] syz-fuzzer cpuset=/ mems_allowed=0 [ 670.316621] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 670.349351] ? lock_downgrade+0x900/0x900 [ 670.353510] ? trace_hardirqs_off+0xb8/0x310 [ 670.357929] ? trace_hardirqs_off+0xb8/0x310 [ 670.362344] __alloc_pages_slowpath+0x26e8/0x2e10 [ 670.367230] ? warn_alloc+0x120/0x120 [ 670.371051] ? print_usage_bug+0xc0/0xc0 [ 670.375111] ? warn_alloc+0x120/0x120 [ 670.378913] ? warn_alloc+0x120/0x120 [ 670.382716] ? print_usage_bug+0xc0/0xc0 [ 670.386796] ? kvm_clock_read+0x18/0x30 [ 670.390775] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 670.395796] ? print_usage_bug+0xc0/0xc0 [ 670.399860] ? __lock_acquire+0x62f/0x4c20 [ 670.404105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 670.409641] ? should_fail+0x22d/0xd01 [ 670.413526] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 670.418835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 670.423936] ? __lock_acquire+0x62f/0x4c20 [ 670.428173] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 670.433278] ? __lock_acquire+0x62f/0x4c20 [ 670.437511] ? should_fail+0x22d/0xd01 [ 670.441392] ? rcu_irq_exit+0x1a2/0x390 [ 670.445384] ? mark_held_locks+0x130/0x130 [ 670.449631] ? mark_held_locks+0x130/0x130 [ 670.453870] ? mark_held_locks+0xc7/0x130 [ 670.458016] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 670.463032] ? zap_class+0x640/0x640 [ 670.466745] ? print_usage_bug+0xc0/0xc0 [ 670.470810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.476350] ? check_preemption_disabled+0x48/0x280 [ 670.481422] ? __lock_is_held+0xb5/0x140 [ 670.485493] __alloc_pages_nodemask+0xa80/0xde0 [ 670.490165] ? zap_class+0x640/0x640 [ 670.493884] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 670.498916] ? find_held_lock+0x36/0x1c0 [ 670.503005] ? ____cache_alloc_node+0x1c7/0x1e0 [ 670.507672] ? lock_downgrade+0x900/0x900 [ 670.511831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.517369] cache_grow_begin+0xa5/0x8c0 [ 670.521433] ? do_raw_spin_unlock+0xa7/0x330 [ 670.525846] fallback_alloc+0x204/0x2e0 [ 670.529825] ____cache_alloc_node+0x1c7/0x1e0 [ 670.534325] kmem_cache_alloc_node+0xe3/0x730 [ 670.538818] ? ipv6_get_ifaddr+0x42e/0x620 [ 670.543067] __alloc_skb+0x119/0x770 [ 670.546795] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 670.552167] ? netdev_alloc_frag+0x1f0/0x1f0 [ 670.556575] ? lock_downgrade+0x900/0x900 [ 670.560731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.566267] ? refcount_sub_and_test_checked+0x203/0x310 [ 670.571724] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 670.577175] ? addrconf_rs_timer+0x690/0x690 [ 670.581609] ndisc_alloc_skb+0x144/0x340 [ 670.585681] ndisc_send_rs+0x331/0x6e0 [ 670.589609] addrconf_rs_timer+0x314/0x690 [ 670.593848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 670.598106] call_timer_fn+0x272/0x920 [ 670.602009] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 670.606242] ? process_timeout+0x40/0x40 [ 670.610311] ? __run_timers+0x7da/0xc70 [ 670.614287] ? _raw_spin_unlock_irq+0x27/0x80 [ 670.618781] ? _raw_spin_unlock_irq+0x27/0x80 [ 670.623291] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 670.627528] ? lockdep_hardirqs_on+0x296/0x5b0 [ 670.632113] ? trace_hardirqs_on+0xbd/0x310 [ 670.636459] ? kasan_check_read+0x11/0x20 [ 670.640610] ? __run_timers+0x7da/0xc70 [ 670.644588] ? trace_hardirqs_off_caller+0x310/0x310 [ 670.649701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 670.653943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 670.658178] __run_timers+0x7e5/0xc70 [ 670.661994] ? timer_fixup_init+0x70/0x70 [ 670.666144] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 670.671164] ? zap_class+0x640/0x640 [ 670.674885] ? enqueue_hrtimer+0x1a5/0x560 [ 670.679156] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 670.684399] ? find_held_lock+0x36/0x1c0 [ 670.688501] ? zap_class+0x640/0x640 [ 670.692229] ? pvclock_read_flags+0x160/0x160 [ 670.696730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.702275] ? check_preemption_disabled+0x48/0x280 [ 670.707302] ? __lock_is_held+0xb5/0x140 [ 670.711364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.716901] ? check_preemption_disabled+0x48/0x280 [ 670.721927] run_timer_softirq+0x52/0xb0 [ 670.725996] ? rcu_read_lock_sched_held+0x14f/0x180 [ 670.731014] __do_softirq+0x308/0xb7e [ 670.734819] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 670.739313] ? lock_downgrade+0x900/0x900 [ 670.743465] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 670.748578] ? pvclock_read_flags+0x160/0x160 [ 670.753079] ? lapic_next_event+0x5a/0x90 [ 670.757235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.762780] ? kvm_clock_read+0x18/0x30 [ 670.766760] ? kvm_sched_clock_read+0x9/0x20 [ 670.771170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.776712] ? check_preemption_disabled+0x48/0x280 [ 670.781739] irq_exit+0x17f/0x1c0 [ 670.785199] smp_apic_timer_interrupt+0x1cb/0x760 [ 670.790044] ? smp_reschedule_interrupt+0x109/0x650 [ 670.795065] ? smp_call_function_single_interrupt+0x650/0x650 [ 670.800949] ? interrupt_entry+0xb5/0xc0 [ 670.805016] ? trace_hardirqs_off_caller+0xbb/0x310 [ 670.810031] ? trace_hardirqs_off_caller+0xbb/0x310 [ 670.815052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.819899] ? trace_hardirqs_on_caller+0x310/0x310 [ 670.824916] ? trace_hardirqs_on_caller+0x310/0x310 [ 670.829937] ? task_prio+0x50/0x50 [ 670.833484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 670.839027] ? check_preemption_disabled+0x48/0x280 [ 670.844051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 670.848905] apic_timer_interrupt+0xf/0x20 [ 670.853134] [ 670.855379] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 670.860311] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 670.879214] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 670.886920] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 670.894184] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 670.901451] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 670.908716] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 670.915982] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 670.923302] skb_clone+0x1bb/0x500 [ 670.926843] ? finish_task_switch+0x1b4/0x910 [ 670.931339] ? skb_split+0x11e0/0x11e0 [ 670.935233] ? preempt_notifier_register+0x200/0x200 [ 670.940336] ? __switch_to_asm+0x34/0x70 [ 670.944394] ? __switch_to_asm+0x34/0x70 [ 670.948458] ? __switch_to_asm+0x40/0x70 [ 670.952521] ? __switch_to_asm+0x34/0x70 [ 670.956577] ? __switch_to_asm+0x40/0x70 [ 670.960636] ? __switch_to_asm+0x34/0x70 [ 670.964698] ? __switch_to_asm+0x40/0x70 [ 670.968757] ? __switch_to_asm+0x34/0x70 [ 670.972821] ? __switch_to_asm+0x34/0x70 [ 670.977082] ? __switch_to_asm+0x40/0x70 [ 670.981139] ? __switch_to_asm+0x34/0x70 [ 670.985210] bpf_clone_redirect+0xb9/0x490 [ 670.989454] ? __schedule+0x8d7/0x21d0 [ 670.993347] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 670.998365] ? __sched_text_start+0x8/0x8 [ 671.002536] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 671.007130] ? retint_kernel+0x2d/0x2d [ 671.011023] ? trace_hardirqs_on_caller+0xc0/0x310 [ 671.015960] ? find_held_lock+0x36/0x1c0 [ 671.020028] ? lock_acquire+0x1ed/0x520 [ 671.024003] ? bpf_test_run+0x3cb/0x780 [ 671.027984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.033528] ? check_preemption_disabled+0x48/0x280 [ 671.038555] ? kasan_check_read+0x11/0x20 [ 671.042710] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 671.047986] ? rcu_softirq_qs+0x20/0x20 [ 671.051993] ? preempt_schedule+0x4d/0x60 [ 671.056144] ? ___preempt_schedule+0x16/0x18 [ 671.060581] ? bpf_test_run+0x25d/0x780 [ 671.064570] ? netlink_diag_dump+0x2a0/0x2a0 [ 671.068982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 671.074521] ? bpf_test_init.isra.10+0x70/0x100 [ 671.079197] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 671.083965] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 671.088806] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 671.094342] ? fput+0x130/0x1a0 [ 671.097647] ? __bpf_prog_get+0x9b/0x290 [ 671.101720] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 671.106579] ? bpf_prog_test_run+0x130/0x1a0 [ 671.111018] ? __x64_sys_bpf+0x3d8/0x520 [ 671.115108] ? bpf_prog_get+0x20/0x20 [ 671.118952] ? do_syscall_64+0x1b9/0x820 [ 671.123030] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 671.128396] ? syscall_return_slowpath+0x5e0/0x5e0 [ 671.133349] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.138192] ? trace_hardirqs_on_caller+0x310/0x310 [ 671.143208] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 671.148244] ? prepare_exit_to_usermode+0x291/0x3b0 [ 671.153269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.158118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 671.163496] warn_alloc_show_mem: 1 callbacks suppressed [ 671.163508] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 671.163510] Mem-Info: [ 671.163557] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 671.163557] active_file:14 inactive_file:14 isolated_file:0 [ 671.163557] unevictable:0 dirty:0 writeback:0 unstable:0 [ 671.163557] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 671.163557] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 671.163557] free:13772 free_pcp:380 free_cma:0 [ 671.168906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 671.175922] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 671.178319] Call Trace: [ 671.211470] 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 [ 671.220833] [ 671.248663] lowmem_reserve[]: 0 2818 6321 6321 [ 671.251243] dump_stack+0x244/0x39d [ 671.277320] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 671.279469] ? dump_stack_print_info.cold.1+0x20/0x20 [ 671.284021] lowmem_reserve[]: 0 0 3503 3503 [ 671.287653] warn_alloc.cold.116+0xb7/0x1bd [ 671.315115] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 671.320299] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 671.324598] lowmem_reserve[]: 0 0 0 0 [ 671.328919] ? lock_downgrade+0x900/0x900 [ 671.358060] 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 [ 671.362899] ? trace_hardirqs_off+0xb8/0x310 [ 671.366669] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 671.370815] ? trace_hardirqs_off+0xb8/0x310 [ 671.384321] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 671.388739] __alloc_pages_slowpath+0x26e8/0x2e10 [ 671.403965] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 671.408424] ? warn_alloc+0x120/0x120 [ 671.422763] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 671.422773] 12557 total pagecache pages [ 671.427616] ? warn_alloc+0x120/0x120 [ 671.436433] 0 pages in swap cache [ 671.440225] ? __lock_acquire+0x62f/0x4c20 [ 671.448774] Swap cache stats: add 0, delete 0, find 0/0 [ 671.452734] ? warn_alloc+0x120/0x120 [ 671.456509] Free swap = 0kB [ 671.459976] ? print_usage_bug+0xc0/0xc0 [ 671.464181] Total swap = 0kB [ 671.464189] 1965979 pages RAM [ 671.469547] ? print_usage_bug+0xc0/0xc0 [ 671.473325] 0 pages HighMem/MovableOnly [ 671.476335] ? mark_held_locks+0x130/0x130 [ 671.480369] 342853 pages reserved [ 671.483386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 671.486467] 0 pages cma reserved [ 671.490522] ? should_fail+0x22d/0xd01 [ 671.494529] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 671.498687] ? zap_class+0x640/0x640 [ 671.498706] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 671.498722] ? __lock_acquire+0x62f/0x4c20 [ 671.498739] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 671.502229] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 671.507703] ? should_fail+0x22d/0xd01 [ 671.511045] syz-executor1 cpuset=syz1 mems_allowed=0 [ 671.514938] ? mark_held_locks+0x130/0x130 [ 671.563158] ? mark_held_locks+0x130/0x130 [ 671.567396] ? lock_downgrade+0x900/0x900 [ 671.571554] ? zap_class+0x640/0x640 [ 671.575267] ? zap_class+0x640/0x640 [ 671.578986] ? zap_class+0x640/0x640 [ 671.582699] ? do_raw_spin_unlock+0xa7/0x330 [ 671.587108] ? trace_hardirqs_on+0x310/0x310 [ 671.591534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.597076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.602621] ? check_preemption_disabled+0x48/0x280 [ 671.607649] ? __lock_is_held+0xb5/0x140 [ 671.611722] __alloc_pages_nodemask+0xa80/0xde0 [ 671.616390] ? zap_class+0x640/0x640 [ 671.620115] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 671.625153] ? find_held_lock+0x36/0x1c0 [ 671.629244] ? ____cache_alloc_node+0x1c7/0x1e0 [ 671.633920] ? lock_downgrade+0x900/0x900 [ 671.638080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.643625] cache_grow_begin+0xa5/0x8c0 [ 671.647691] ? do_raw_spin_unlock+0xa7/0x330 [ 671.652121] fallback_alloc+0x204/0x2e0 [ 671.656109] ____cache_alloc_node+0x1c7/0x1e0 [ 671.660615] kmem_cache_alloc_node+0xe3/0x730 [ 671.665113] ? lockdep_hardirqs_on+0x296/0x5b0 [ 671.669707] __alloc_skb+0x119/0x770 [ 671.673458] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 671.678824] ? netdev_alloc_frag+0x1f0/0x1f0 [ 671.683241] ? vprintk_default+0x28/0x30 [ 671.687307] ? vprintk_func+0x85/0x181 [ 671.691201] ? printk+0xa7/0xcf [ 671.694485] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 671.699257] new_skb+0x26/0x1c0 [ 671.702541] aoecmd_cfg+0x279/0x7f0 [ 671.706172] ? find_held_lock+0x36/0x1c0 [ 671.710238] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 671.714581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.720148] ? __lock_is_held+0xb5/0x140 [ 671.724261] discover_timer+0x50/0x60 [ 671.728089] call_timer_fn+0x272/0x920 [ 671.732041] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 671.736884] ? process_timeout+0x40/0x40 [ 671.740974] ? mark_held_locks+0xc7/0x130 [ 671.745122] ? _raw_spin_unlock_irq+0x27/0x80 [ 671.749617] ? _raw_spin_unlock_irq+0x27/0x80 [ 671.754112] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 671.758954] ? lockdep_hardirqs_on+0x296/0x5b0 [ 671.763572] ? trace_hardirqs_on+0xbd/0x310 [ 671.767922] ? kasan_check_read+0x11/0x20 [ 671.772070] ? __run_timers+0x7da/0xc70 [ 671.776050] ? trace_hardirqs_off_caller+0x310/0x310 [ 671.781164] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 671.786020] __run_timers+0x7e5/0xc70 [ 671.789844] ? timer_fixup_init+0x70/0x70 [ 671.793996] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 671.799017] ? zap_class+0x640/0x640 [ 671.802745] ? print_usage_bug+0xc0/0xc0 [ 671.806810] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 671.812007] ? find_held_lock+0x36/0x1c0 [ 671.816076] ? zap_class+0x640/0x640 [ 671.819797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.825333] ? check_preemption_disabled+0x48/0x280 [ 671.830357] ? __lock_is_held+0xb5/0x140 [ 671.834426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.839967] ? check_preemption_disabled+0x48/0x280 [ 671.844984] run_timer_softirq+0x52/0xb0 [ 671.849039] ? rcu_read_lock_sched_held+0x14f/0x180 [ 671.854072] __do_softirq+0x308/0xb7e [ 671.857905] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 671.862400] ? lock_downgrade+0x900/0x900 [ 671.866558] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 671.871670] ? pvclock_read_flags+0x160/0x160 [ 671.876165] ? lapic_next_event+0x5a/0x90 [ 671.880334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.885878] ? kvm_clock_read+0x18/0x30 [ 671.889881] ? kvm_sched_clock_read+0x9/0x20 [ 671.894289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 671.899827] ? check_preemption_disabled+0x48/0x280 [ 671.904883] irq_exit+0x17f/0x1c0 [ 671.908341] smp_apic_timer_interrupt+0x1cb/0x760 [ 671.913189] ? smp_reschedule_interrupt+0x109/0x650 [ 671.918207] ? smp_call_function_single_interrupt+0x650/0x650 [ 671.924107] ? interrupt_entry+0xb5/0xc0 [ 671.928171] ? trace_hardirqs_off_caller+0xbb/0x310 [ 671.933197] ? trace_hardirqs_off_caller+0xbb/0x310 [ 671.938216] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.943071] ? trace_hardirqs_on_caller+0x310/0x310 [ 671.948088] ? trace_hardirqs_on_caller+0x310/0x310 [ 671.953105] ? task_prio+0x50/0x50 [ 671.956646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 671.962186] ? check_preemption_disabled+0x48/0x280 [ 671.967208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 671.972056] apic_timer_interrupt+0xf/0x20 [ 671.976285] [ 671.978528] RIP: 0010:dump_stack+0x20e/0x39d [ 671.982939] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 672.001839] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 672.009615] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 672.016895] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 672.024169] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 672.031457] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 672.038753] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 672.046215] ? dump_stack+0x205/0x39d [ 672.050030] ? dump_stack_print_info.cold.1+0x20/0x20 [ 672.055227] ? mark_held_locks+0x130/0x130 [ 672.059462] ? mark_held_locks+0x130/0x130 [ 672.063706] dump_header+0x27b/0xf72 [ 672.067441] ? pagefault_out_of_memory+0x197/0x197 [ 672.072376] ? __lock_acquire+0x62f/0x4c20 [ 672.076614] ? percpu_ref_get_many+0x240/0x240 [ 672.081228] ? print_usage_bug+0xc0/0xc0 [ 672.085298] ? zap_class+0x640/0x640 [ 672.089014] ? print_usage_bug+0xc0/0xc0 [ 672.093077] ? print_usage_bug+0xc0/0xc0 [ 672.097144] ? zap_class+0x640/0x640 [ 672.100967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.107069] ? find_held_lock+0x36/0x1c0 [ 672.111140] ? mark_held_locks+0xc7/0x130 [ 672.115295] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 672.120396] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 672.125508] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 672.130456] ? trace_hardirqs_on+0xbd/0x310 [ 672.134776] ? kasan_check_read+0x11/0x20 [ 672.138925] ? ___ratelimit+0x3b4/0x672 [ 672.142906] ? trace_hardirqs_off_caller+0x310/0x310 [ 672.148014] ? trace_hardirqs_on+0x310/0x310 [ 672.152431] ? lock_downgrade+0x900/0x900 [ 672.156584] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 672.161686] ? ___ratelimit+0x3b9/0x672 [ 672.165661] ? idr_get_free+0xf70/0xf70 [ 672.169636] ? find_held_lock+0x36/0x1c0 [ 672.173710] oom_kill_process.cold.27+0x10/0x903 [ 672.178547] ? zap_class+0x640/0x640 [ 672.182264] ? check_preemption_disabled+0x48/0x280 [ 672.187299] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 672.192228] ? kasan_check_read+0x11/0x20 [ 672.196377] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 672.201656] ? oom_evaluate_task+0x540/0x540 [ 672.206089] ? find_held_lock+0x36/0x1c0 [ 672.210172] ? out_of_memory+0x974/0x1430 [ 672.214333] ? lock_downgrade+0x900/0x900 [ 672.218497] ? check_preemption_disabled+0x48/0x280 [ 672.223526] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 672.228460] ? kasan_check_read+0x11/0x20 [ 672.232610] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 672.237887] ? rcu_softirq_qs+0x20/0x20 [ 672.241868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.247404] ? oom_evaluate_task+0x302/0x540 [ 672.251826] out_of_memory+0xa84/0x1430 [ 672.255820] ? oom_killer_disable+0x3a0/0x3a0 [ 672.260318] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 672.265257] ? __ww_mutex_check_waiters+0x160/0x160 [ 672.270287] __alloc_pages_slowpath+0x2354/0x2e10 [ 672.275160] ? warn_alloc+0x120/0x120 [ 672.278969] ? mark_held_locks+0x130/0x130 [ 672.283243] ? find_get_entry+0xaae/0x1120 [ 672.287490] ? filemap_map_pages+0x1a20/0x1a20 [ 672.292082] ? zap_class+0x640/0x640 [ 672.295803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.301342] ? check_preemption_disabled+0x48/0x280 [ 672.306363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.311912] ? should_fail+0x22d/0xd01 [ 672.315810] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 672.320914] ? zap_class+0x640/0x640 [ 672.324658] ? __lock_is_held+0xb5/0x140 [ 672.328731] ? mark_held_locks+0x130/0x130 [ 672.332975] ? lock_release+0xa00/0xa00 [ 672.336953] ? perf_trace_sched_process_exec+0x860/0x860 [ 672.342408] ? xa_load+0x2ba/0x460 [ 672.345963] ? lock_downgrade+0x900/0x900 [ 672.350115] ? __might_sleep+0x95/0x190 [ 672.354095] __alloc_pages_nodemask+0xa80/0xde0 [ 672.358774] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 672.363792] ? __page_cache_alloc+0x191/0x5c0 [ 672.368285] ? xa_load+0x2e1/0x460 [ 672.371826] ? xa_clear_mark+0x40/0x40 [ 672.375716] ? zap_class+0x640/0x640 [ 672.379448] ? zap_class+0x640/0x640 [ 672.383160] ? zap_class+0x640/0x640 [ 672.386879] ? __do_page_cache_readahead+0x663/0x810 [ 672.391987] ? find_held_lock+0x36/0x1c0 [ 672.396060] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 672.401608] alloc_pages_current+0x173/0x350 [ 672.406027] __page_cache_alloc+0x38c/0x5c0 [ 672.410349] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 672.415278] ? kasan_check_read+0x11/0x20 [ 672.419437] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 672.424716] ? generic_perform_write+0x6a0/0x6a0 [ 672.429481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.435023] ? check_preemption_disabled+0x48/0x280 [ 672.440049] filemap_fault+0x1595/0x25f0 [ 672.444128] ? __lock_page_or_retry+0xa00/0xa00 [ 672.448800] ? mark_held_locks+0x130/0x130 [ 672.453045] ? filemap_map_pages+0xd6b/0x1a20 [ 672.457543] ? lock_downgrade+0x900/0x900 [ 672.461704] ? check_preemption_disabled+0x48/0x280 [ 672.466737] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 672.471667] ? kasan_check_read+0x11/0x20 [ 672.475815] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 672.481091] ? rcu_softirq_qs+0x20/0x20 [ 672.485080] ? filemap_map_pages+0xd92/0x1a20 [ 672.489591] ? find_get_entries_tag+0x1400/0x1400 [ 672.494445] ? debug_object_destroy+0x2b0/0x2b0 [ 672.499117] ? lock_pi_update_atomic+0x150/0x150 [ 672.503903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.509464] ? lock_acquire+0x1ed/0x520 [ 672.513446] ? ext4_filemap_fault+0x7a/0xad [ 672.517776] ? lock_release+0xa00/0xa00 [ 672.521749] ? perf_trace_sched_process_exec+0x860/0x860 [ 672.527210] ? print_usage_bug+0xc0/0xc0 [ 672.531276] ? print_usage_bug+0xc0/0xc0 [ 672.535362] ? down_read+0x8d/0x120 [ 672.539007] ? ext4_filemap_fault+0x7a/0xad [ 672.543330] ? __down_interruptible+0x700/0x700 [ 672.548011] ext4_filemap_fault+0x82/0xad [ 672.552167] __do_fault+0x100/0x6b0 [ 672.555799] ? find_held_lock+0x36/0x1c0 [ 672.559867] ? pmd_devmap_trans_unstable+0x220/0x220 [ 672.564984] ? mark_held_locks+0x130/0x130 [ 672.569224] ? mark_held_locks+0x130/0x130 [ 672.573462] ? debug_smp_processor_id+0x1c/0x20 [ 672.578130] ? perf_trace_lock+0x14d/0x7a0 [ 672.582364] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 672.586956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.592500] __handle_mm_fault+0x3ea0/0x5be0 [ 672.596921] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 672.601767] ? lock_is_held_type+0x210/0x210 [ 672.606190] ? preempt_notifier_register+0x200/0x200 [ 672.611292] ? __switch_to_asm+0x34/0x70 [ 672.615354] ? __switch_to_asm+0x34/0x70 [ 672.619442] ? zap_class+0x640/0x640 [ 672.623161] ? zap_class+0x640/0x640 [ 672.626880] ? __x64_sys_futex+0x53e/0x6a0 [ 672.631125] ? find_held_lock+0x36/0x1c0 [ 672.635205] ? handle_mm_fault+0x42a/0xc70 [ 672.639447] ? lock_downgrade+0x900/0x900 [ 672.643597] ? check_preemption_disabled+0x48/0x280 [ 672.648621] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 672.653550] ? kasan_check_read+0x11/0x20 [ 672.657701] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 672.662980] ? rcu_softirq_qs+0x20/0x20 [ 672.666956] ? trace_hardirqs_off_caller+0x310/0x310 [ 672.672063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.677602] ? check_preemption_disabled+0x48/0x280 [ 672.682627] handle_mm_fault+0x54f/0xc70 [ 672.686692] ? __handle_mm_fault+0x5be0/0x5be0 [ 672.691285] ? find_vma+0x34/0x190 [ 672.694833] __do_page_fault+0x5e8/0xe60 [ 672.698897] ? trace_hardirqs_off+0xb8/0x310 [ 672.703360] do_page_fault+0xf2/0x7e0 [ 672.707164] ? vmalloc_sync_all+0x30/0x30 [ 672.711330] ? error_entry+0x70/0xd0 [ 672.715065] ? trace_hardirqs_off_caller+0xbb/0x310 [ 672.720078] ? trace_hardirqs_on_caller+0xc0/0x310 [ 672.725012] ? syscall_return_slowpath+0x5e0/0x5e0 [ 672.729942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 672.734786] ? trace_hardirqs_on_caller+0x310/0x310 [ 672.739818] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 672.745278] ? prepare_exit_to_usermode+0x291/0x3b0 [ 672.750295] ? page_fault+0x8/0x30 [ 672.753847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 672.758710] ? page_fault+0x8/0x30 [ 672.762266] page_fault+0x1e/0x30 [ 672.765733] RIP: 0033:0x40f9c0 [ 672.768933] Code: Bad RIP value. [ 672.772295] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 672.777651] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 672.784919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 672.792191] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 672.799457] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 672.806725] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 672.814020] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 672.814084] aoe: skb alloc failure [ 672.821297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 672.821302] Call Trace: [ 672.821309] [ 672.821332] dump_stack+0x244/0x39d [ 672.821351] ? dump_stack_print_info.cold.1+0x20/0x20 [ 672.824925] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 672.834252] warn_alloc.cold.116+0xb7/0x1bd [ 672.836800] syz-fuzzer cpuset=/ mems_allowed=0 [ 672.838941] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 672.871666] ? lock_downgrade+0x900/0x900 [ 672.875831] ? trace_hardirqs_off+0xb8/0x310 [ 672.880248] ? trace_hardirqs_off+0xb8/0x310 [ 672.884666] __alloc_pages_slowpath+0x26e8/0x2e10 [ 672.889561] ? warn_alloc+0x120/0x120 [ 672.893397] ? print_usage_bug+0xc0/0xc0 [ 672.897486] ? warn_alloc+0x120/0x120 [ 672.901321] ? warn_alloc+0x120/0x120 [ 672.905126] ? print_usage_bug+0xc0/0xc0 [ 672.909190] ? print_usage_bug+0xc0/0xc0 [ 672.913271] ? __lock_acquire+0x62f/0x4c20 [ 672.917514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.923048] ? should_fail+0x22d/0xd01 [ 672.926957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 672.932075] ? __lock_acquire+0x62f/0x4c20 [ 672.936318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 672.941422] ? __lock_acquire+0x62f/0x4c20 [ 672.945655] ? should_fail+0x22d/0xd01 [ 672.949549] ? find_held_lock+0x36/0x1c0 [ 672.953623] ? mark_held_locks+0x130/0x130 [ 672.957862] ? mark_held_locks+0x130/0x130 [ 672.962121] ? zap_class+0x640/0x640 [ 672.965833] ? zap_class+0x640/0x640 [ 672.969549] ? print_usage_bug+0xc0/0xc0 [ 672.973620] ? do_raw_spin_unlock+0xa7/0x330 [ 672.978241] ? zap_class+0x640/0x640 [ 672.981961] ? print_usage_bug+0xc0/0xc0 [ 672.986027] ? wq_watchdog_touch+0x9c/0xfe [ 672.990265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.995805] ? check_preemption_disabled+0x48/0x280 [ 673.000835] ? __lock_is_held+0xb5/0x140 [ 673.004916] __alloc_pages_nodemask+0xa80/0xde0 [ 673.009588] ? zap_class+0x640/0x640 [ 673.013324] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 673.018354] ? find_held_lock+0x36/0x1c0 [ 673.022432] ? ____cache_alloc_node+0x1c7/0x1e0 [ 673.027108] ? lock_downgrade+0x900/0x900 [ 673.031267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.036812] cache_grow_begin+0xa5/0x8c0 [ 673.040872] ? do_raw_spin_unlock+0xa7/0x330 [ 673.045288] fallback_alloc+0x204/0x2e0 [ 673.049274] ____cache_alloc_node+0x1c7/0x1e0 [ 673.053775] kmem_cache_alloc_node+0xe3/0x730 [ 673.058275] ? ipv6_get_ifaddr+0x42e/0x620 [ 673.062524] __alloc_skb+0x119/0x770 [ 673.066240] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 673.071520] ? netdev_alloc_frag+0x1f0/0x1f0 [ 673.075960] ? lock_downgrade+0x900/0x900 [ 673.080121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.085659] ? refcount_sub_and_test_checked+0x203/0x310 [ 673.091117] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 673.096570] ? addrconf_rs_timer+0x690/0x690 [ 673.100987] ndisc_alloc_skb+0x144/0x340 [ 673.105055] ndisc_send_rs+0x331/0x6e0 [ 673.108951] addrconf_rs_timer+0x314/0x690 [ 673.113194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 673.117452] call_timer_fn+0x272/0x920 [ 673.121345] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 673.125583] ? process_timeout+0x40/0x40 [ 673.129653] ? __run_timers+0x7da/0xc70 [ 673.133646] ? _raw_spin_unlock_irq+0x27/0x80 [ 673.138140] ? _raw_spin_unlock_irq+0x27/0x80 [ 673.142634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 673.146871] ? lockdep_hardirqs_on+0x296/0x5b0 [ 673.151458] ? trace_hardirqs_on+0xbd/0x310 [ 673.155783] ? kasan_check_read+0x11/0x20 [ 673.159930] ? __run_timers+0x7da/0xc70 [ 673.163908] ? trace_hardirqs_off_caller+0x310/0x310 [ 673.169025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 673.173260] __run_timers+0x7e5/0xc70 [ 673.177102] ? timer_fixup_init+0x70/0x70 [ 673.181270] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 673.186287] ? zap_class+0x640/0x640 [ 673.190007] ? enqueue_hrtimer+0x1a5/0x560 [ 673.194249] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 673.199469] ? find_held_lock+0x36/0x1c0 [ 673.203536] ? zap_class+0x640/0x640 [ 673.207258] ? pvclock_read_flags+0x160/0x160 [ 673.211756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.217322] ? check_preemption_disabled+0x48/0x280 [ 673.222352] ? __lock_is_held+0xb5/0x140 [ 673.226422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.231965] ? check_preemption_disabled+0x48/0x280 [ 673.236999] run_timer_softirq+0x52/0xb0 [ 673.241060] ? rcu_read_lock_sched_held+0x14f/0x180 [ 673.246081] __do_softirq+0x308/0xb7e [ 673.249887] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 673.254380] ? lock_downgrade+0x900/0x900 [ 673.258543] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 673.263671] ? pvclock_read_flags+0x160/0x160 [ 673.268191] ? lapic_next_event+0x5a/0x90 [ 673.272339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.277899] ? kvm_clock_read+0x18/0x30 [ 673.281877] ? kvm_sched_clock_read+0x9/0x20 [ 673.286286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.291829] ? check_preemption_disabled+0x48/0x280 [ 673.296856] irq_exit+0x17f/0x1c0 [ 673.300310] smp_apic_timer_interrupt+0x1cb/0x760 [ 673.305153] ? smp_reschedule_interrupt+0x109/0x650 [ 673.310217] ? smp_call_function_single_interrupt+0x650/0x650 [ 673.316115] ? interrupt_entry+0xb5/0xc0 [ 673.320178] ? trace_hardirqs_off_caller+0xbb/0x310 [ 673.325210] ? trace_hardirqs_off_caller+0xbb/0x310 [ 673.330228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 673.335085] ? trace_hardirqs_on_caller+0x310/0x310 [ 673.340099] ? trace_hardirqs_on_caller+0x310/0x310 [ 673.345115] ? task_prio+0x50/0x50 [ 673.348658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.354200] ? check_preemption_disabled+0x48/0x280 [ 673.359220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 673.364068] apic_timer_interrupt+0xf/0x20 [ 673.368294] [ 673.370550] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 673.375481] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 673.394384] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 673.402101] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 673.409389] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 673.416680] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 673.423962] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 673.431233] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 673.438576] skb_clone+0x1bb/0x500 [ 673.442116] ? finish_task_switch+0x1b4/0x910 [ 673.446611] ? skb_split+0x11e0/0x11e0 [ 673.450501] ? preempt_notifier_register+0x200/0x200 [ 673.455603] ? __switch_to_asm+0x34/0x70 [ 673.459665] ? __switch_to_asm+0x34/0x70 [ 673.463727] ? __switch_to_asm+0x40/0x70 [ 673.467783] ? __switch_to_asm+0x34/0x70 [ 673.471838] ? __switch_to_asm+0x40/0x70 [ 673.475891] ? __switch_to_asm+0x34/0x70 [ 673.479946] ? __switch_to_asm+0x40/0x70 [ 673.484002] ? __switch_to_asm+0x34/0x70 [ 673.488074] ? __switch_to_asm+0x34/0x70 [ 673.492132] ? __switch_to_asm+0x40/0x70 [ 673.496205] ? __switch_to_asm+0x34/0x70 [ 673.500276] bpf_clone_redirect+0xb9/0x490 [ 673.504514] ? __schedule+0x8d7/0x21d0 [ 673.508473] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 673.513492] ? __sched_text_start+0x8/0x8 [ 673.517646] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 673.522230] ? retint_kernel+0x2d/0x2d [ 673.526130] ? trace_hardirqs_on_caller+0xc0/0x310 [ 673.531072] ? find_held_lock+0x36/0x1c0 [ 673.535158] ? lock_acquire+0x1ed/0x520 [ 673.539130] ? bpf_test_run+0x3cb/0x780 [ 673.543109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.548654] ? check_preemption_disabled+0x48/0x280 [ 673.553686] ? kasan_check_read+0x11/0x20 [ 673.557840] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 673.563133] ? rcu_softirq_qs+0x20/0x20 [ 673.567124] ? preempt_schedule+0x4d/0x60 [ 673.571274] ? ___preempt_schedule+0x16/0x18 [ 673.575693] ? bpf_test_run+0x25d/0x780 [ 673.579686] ? netlink_diag_dump+0x2a0/0x2a0 [ 673.584101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 673.589637] ? bpf_test_init.isra.10+0x70/0x100 [ 673.594315] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 673.599081] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 673.603924] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 673.609461] ? fput+0x130/0x1a0 [ 673.612742] ? __bpf_prog_get+0x9b/0x290 [ 673.616806] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 673.621651] ? bpf_prog_test_run+0x130/0x1a0 [ 673.626076] ? __x64_sys_bpf+0x3d8/0x520 [ 673.630134] ? bpf_prog_get+0x20/0x20 [ 673.633957] ? do_syscall_64+0x1b9/0x820 [ 673.638018] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 673.643400] ? syscall_return_slowpath+0x5e0/0x5e0 [ 673.648335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 673.653179] ? trace_hardirqs_on_caller+0x310/0x310 [ 673.658196] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 673.663219] ? prepare_exit_to_usermode+0x291/0x3b0 [ 673.668240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 673.673089] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 673.678467] warn_alloc_show_mem: 1 callbacks suppressed [ 673.678479] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 673.678481] Mem-Info: [ 673.678514] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 673.678514] active_file:14 inactive_file:14 isolated_file:0 [ 673.678514] unevictable:0 dirty:0 writeback:0 unstable:0 [ 673.678514] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 673.678514] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 673.678514] free:13772 free_pcp:380 free_cma:0 [ 673.683854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 673.690874] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 673.693270] Call Trace: [ 673.726397] 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 [ 673.735746] [ 673.763569] lowmem_reserve[]: 0 2818 6321 6321 [ 673.766163] dump_stack+0x244/0x39d [ 673.792243] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 673.794405] ? dump_stack_print_info.cold.1+0x20/0x20 [ 673.798964] lowmem_reserve[]: 0 0 3503 3503 [ 673.802594] warn_alloc.cold.116+0xb7/0x1bd [ 673.830060] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 673.835242] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 673.839531] lowmem_reserve[]: 0 0 0 0 [ 673.843849] ? lock_downgrade+0x900/0x900 [ 673.872971] 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 [ 673.877814] ? trace_hardirqs_off+0xb8/0x310 [ 673.881582] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 673.885750] ? trace_hardirqs_off+0xb8/0x310 [ 673.899246] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 673.903654] __alloc_pages_slowpath+0x26e8/0x2e10 [ 673.918886] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 673.923301] ? warn_alloc+0x120/0x120 [ 673.937663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 673.942498] ? warn_alloc+0x120/0x120 [ 673.951307] 12557 total pagecache pages [ 673.955100] ? __lock_acquire+0x62f/0x4c20 [ 673.963654] 0 pages in swap cache [ 673.967450] ? warn_alloc+0x120/0x120 [ 673.971431] Swap cache stats: add 0, delete 0, find 0/0 [ 673.971440] Free swap = 0kB [ 673.975672] ? print_usage_bug+0xc0/0xc0 [ 673.979102] Total swap = 0kB [ 673.982897] ? print_usage_bug+0xc0/0xc0 [ 673.988233] 1965979 pages RAM [ 673.991280] ? mark_held_locks+0x130/0x130 [ 673.995324] 0 pages HighMem/MovableOnly [ 673.998351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.002401] 342853 pages reserved [ 674.005507] ? should_fail+0x22d/0xd01 [ 674.009712] 0 pages cma reserved [ 674.013676] ? zap_class+0x640/0x640 [ 674.019256] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 674.022639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 674.026594] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 674.029863] ? __lock_acquire+0x62f/0x4c20 [ 674.033549] syz-executor1 cpuset=syz1 mems_allowed=0 [ 674.040031] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 674.070034] ? should_fail+0x22d/0xd01 [ 674.073943] ? mark_held_locks+0x130/0x130 [ 674.078189] ? mark_held_locks+0x130/0x130 [ 674.082434] ? lock_downgrade+0x900/0x900 [ 674.086584] ? zap_class+0x640/0x640 [ 674.090298] ? zap_class+0x640/0x640 [ 674.094013] ? zap_class+0x640/0x640 [ 674.097745] ? do_raw_spin_unlock+0xa7/0x330 [ 674.102157] ? trace_hardirqs_on+0x310/0x310 [ 674.107026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.112583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.118128] ? check_preemption_disabled+0x48/0x280 [ 674.123173] ? __lock_is_held+0xb5/0x140 [ 674.127245] __alloc_pages_nodemask+0xa80/0xde0 [ 674.131913] ? zap_class+0x640/0x640 [ 674.135631] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 674.140663] ? find_held_lock+0x36/0x1c0 [ 674.144766] ? ____cache_alloc_node+0x1c7/0x1e0 [ 674.149446] ? lock_downgrade+0x900/0x900 [ 674.153604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.159146] cache_grow_begin+0xa5/0x8c0 [ 674.163213] ? do_raw_spin_unlock+0xa7/0x330 [ 674.167650] fallback_alloc+0x204/0x2e0 [ 674.171646] ____cache_alloc_node+0x1c7/0x1e0 [ 674.176168] kmem_cache_alloc_node+0xe3/0x730 [ 674.180673] ? lockdep_hardirqs_on+0x296/0x5b0 [ 674.185267] __alloc_skb+0x119/0x770 [ 674.188981] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 674.194351] ? netdev_alloc_frag+0x1f0/0x1f0 [ 674.198771] ? vprintk_default+0x28/0x30 [ 674.202832] ? vprintk_func+0x85/0x181 [ 674.206723] ? printk+0xa7/0xcf [ 674.210006] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 674.214773] new_skb+0x26/0x1c0 [ 674.218057] aoecmd_cfg+0x279/0x7f0 [ 674.221687] ? find_held_lock+0x36/0x1c0 [ 674.225771] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 674.230105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.235654] ? __lock_is_held+0xb5/0x140 [ 674.239743] discover_timer+0x50/0x60 [ 674.243546] call_timer_fn+0x272/0x920 [ 674.247442] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 674.252299] ? process_timeout+0x40/0x40 [ 674.256384] ? mark_held_locks+0xc7/0x130 [ 674.260570] ? _raw_spin_unlock_irq+0x27/0x80 [ 674.265065] ? _raw_spin_unlock_irq+0x27/0x80 [ 674.269607] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 674.274465] ? lockdep_hardirqs_on+0x296/0x5b0 [ 674.279049] ? trace_hardirqs_on+0xbd/0x310 [ 674.283385] ? kasan_check_read+0x11/0x20 [ 674.287537] ? __run_timers+0x7da/0xc70 [ 674.291515] ? trace_hardirqs_off_caller+0x310/0x310 [ 674.296633] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 674.301472] __run_timers+0x7e5/0xc70 [ 674.305291] ? timer_fixup_init+0x70/0x70 [ 674.309446] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 674.314463] ? zap_class+0x640/0x640 [ 674.318188] ? print_usage_bug+0xc0/0xc0 [ 674.322253] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 674.327498] ? find_held_lock+0x36/0x1c0 [ 674.331568] ? zap_class+0x640/0x640 [ 674.335290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.340826] ? check_preemption_disabled+0x48/0x280 [ 674.345854] ? __lock_is_held+0xb5/0x140 [ 674.349918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.355484] ? check_preemption_disabled+0x48/0x280 [ 674.360510] run_timer_softirq+0x52/0xb0 [ 674.364576] ? rcu_read_lock_sched_held+0x14f/0x180 [ 674.369594] __do_softirq+0x308/0xb7e [ 674.373403] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 674.377908] ? lock_downgrade+0x900/0x900 [ 674.382061] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 674.387192] ? pvclock_read_flags+0x160/0x160 [ 674.391690] ? lapic_next_event+0x5a/0x90 [ 674.395842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.401387] ? kvm_clock_read+0x18/0x30 [ 674.405384] ? kvm_sched_clock_read+0x9/0x20 [ 674.409800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.415345] ? check_preemption_disabled+0x48/0x280 [ 674.420374] irq_exit+0x17f/0x1c0 [ 674.423830] smp_apic_timer_interrupt+0x1cb/0x760 [ 674.428670] ? smp_reschedule_interrupt+0x109/0x650 [ 674.433688] ? smp_call_function_single_interrupt+0x650/0x650 [ 674.439578] ? interrupt_entry+0xb5/0xc0 [ 674.443656] ? trace_hardirqs_off_caller+0xbb/0x310 [ 674.448669] ? trace_hardirqs_off_caller+0xbb/0x310 [ 674.453715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 674.458559] ? trace_hardirqs_on_caller+0x310/0x310 [ 674.463579] ? trace_hardirqs_on_caller+0x310/0x310 [ 674.468591] ? task_prio+0x50/0x50 [ 674.472133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.477673] ? check_preemption_disabled+0x48/0x280 [ 674.482702] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 674.487571] apic_timer_interrupt+0xf/0x20 [ 674.491816] [ 674.494055] RIP: 0010:dump_stack+0x20e/0x39d [ 674.498500] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 674.517402] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 674.525137] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 674.532406] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 674.539693] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 674.546964] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 674.554237] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 674.561553] ? dump_stack+0x205/0x39d [ 674.565371] ? dump_stack_print_info.cold.1+0x20/0x20 [ 674.570566] ? mark_held_locks+0x130/0x130 [ 674.574806] ? mark_held_locks+0x130/0x130 [ 674.579048] dump_header+0x27b/0xf72 [ 674.582778] ? pagefault_out_of_memory+0x197/0x197 [ 674.587748] ? __lock_acquire+0x62f/0x4c20 [ 674.592021] ? percpu_ref_get_many+0x240/0x240 [ 674.596607] ? print_usage_bug+0xc0/0xc0 [ 674.600677] ? zap_class+0x640/0x640 [ 674.604394] ? print_usage_bug+0xc0/0xc0 [ 674.608484] ? print_usage_bug+0xc0/0xc0 [ 674.612580] ? zap_class+0x640/0x640 [ 674.616298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.621838] ? find_held_lock+0x36/0x1c0 [ 674.625909] ? mark_held_locks+0xc7/0x130 [ 674.630086] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 674.635193] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 674.640298] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 674.644880] ? trace_hardirqs_on+0xbd/0x310 [ 674.649206] ? kasan_check_read+0x11/0x20 [ 674.653357] ? ___ratelimit+0x3b4/0x672 [ 674.657331] ? trace_hardirqs_off_caller+0x310/0x310 [ 674.662441] ? trace_hardirqs_on+0x310/0x310 [ 674.666852] ? lock_downgrade+0x900/0x900 [ 674.671005] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 674.676126] ? ___ratelimit+0x3b9/0x672 [ 674.680101] ? idr_get_free+0xf70/0xf70 [ 674.684077] ? find_held_lock+0x36/0x1c0 [ 674.688150] oom_kill_process.cold.27+0x10/0x903 [ 674.692911] ? zap_class+0x640/0x640 [ 674.696632] ? check_preemption_disabled+0x48/0x280 [ 674.701656] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 674.706587] ? kasan_check_read+0x11/0x20 [ 674.710737] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 674.716019] ? oom_evaluate_task+0x540/0x540 [ 674.720442] ? find_held_lock+0x36/0x1c0 [ 674.724515] ? out_of_memory+0x974/0x1430 [ 674.728669] ? lock_downgrade+0x900/0x900 [ 674.732823] ? check_preemption_disabled+0x48/0x280 [ 674.737844] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 674.742777] ? kasan_check_read+0x11/0x20 [ 674.746927] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 674.752210] ? rcu_softirq_qs+0x20/0x20 [ 674.756210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.761745] ? oom_evaluate_task+0x302/0x540 [ 674.766160] out_of_memory+0xa84/0x1430 [ 674.770150] ? oom_killer_disable+0x3a0/0x3a0 [ 674.774651] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 674.779587] ? __ww_mutex_check_waiters+0x160/0x160 [ 674.784618] __alloc_pages_slowpath+0x2354/0x2e10 [ 674.789496] ? warn_alloc+0x120/0x120 [ 674.793297] ? mark_held_locks+0x130/0x130 [ 674.797537] ? find_get_entry+0xaae/0x1120 [ 674.801781] ? filemap_map_pages+0x1a20/0x1a20 [ 674.806369] ? zap_class+0x640/0x640 [ 674.810093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.815633] ? check_preemption_disabled+0x48/0x280 [ 674.820654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.826194] ? should_fail+0x22d/0xd01 [ 674.830091] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 674.835197] ? zap_class+0x640/0x640 [ 674.838936] ? __lock_is_held+0xb5/0x140 [ 674.843007] ? mark_held_locks+0x130/0x130 [ 674.847263] ? lock_release+0xa00/0xa00 [ 674.851238] ? perf_trace_sched_process_exec+0x860/0x860 [ 674.856687] ? xa_load+0x2ba/0x460 [ 674.860230] ? lock_downgrade+0x900/0x900 [ 674.864385] ? __might_sleep+0x95/0x190 [ 674.868371] __alloc_pages_nodemask+0xa80/0xde0 [ 674.873053] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 674.878080] ? __page_cache_alloc+0x191/0x5c0 [ 674.882577] ? xa_load+0x2e1/0x460 [ 674.886120] ? xa_clear_mark+0x40/0x40 [ 674.890009] ? zap_class+0x640/0x640 [ 674.893744] ? zap_class+0x640/0x640 [ 674.897474] ? zap_class+0x640/0x640 [ 674.901208] ? __do_page_cache_readahead+0x663/0x810 [ 674.906320] ? find_held_lock+0x36/0x1c0 [ 674.910388] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 674.915942] alloc_pages_current+0x173/0x350 [ 674.920359] __page_cache_alloc+0x38c/0x5c0 [ 674.924683] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 674.929615] ? kasan_check_read+0x11/0x20 [ 674.933767] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 674.939051] ? generic_perform_write+0x6a0/0x6a0 [ 674.943814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.949354] ? check_preemption_disabled+0x48/0x280 [ 674.954384] filemap_fault+0x1595/0x25f0 [ 674.958468] ? __lock_page_or_retry+0xa00/0xa00 [ 674.963145] ? mark_held_locks+0x130/0x130 [ 674.967399] ? filemap_map_pages+0xd6b/0x1a20 [ 674.971910] ? lock_downgrade+0x900/0x900 [ 674.976212] ? check_preemption_disabled+0x48/0x280 [ 674.981240] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 674.986173] ? kasan_check_read+0x11/0x20 [ 674.990328] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 674.995604] ? rcu_softirq_qs+0x20/0x20 [ 674.999596] ? filemap_map_pages+0xd92/0x1a20 [ 675.004109] ? find_get_entries_tag+0x1400/0x1400 [ 675.008958] ? debug_object_destroy+0x2b0/0x2b0 [ 675.013635] ? lock_pi_update_atomic+0x150/0x150 [ 675.018392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.023952] ? lock_acquire+0x1ed/0x520 [ 675.027927] ? ext4_filemap_fault+0x7a/0xad [ 675.032259] ? lock_release+0xa00/0xa00 [ 675.036232] ? perf_trace_sched_process_exec+0x860/0x860 [ 675.041687] ? print_usage_bug+0xc0/0xc0 [ 675.045754] ? print_usage_bug+0xc0/0xc0 [ 675.049830] ? down_read+0x8d/0x120 [ 675.053458] ? ext4_filemap_fault+0x7a/0xad [ 675.057783] ? __down_interruptible+0x700/0x700 [ 675.062463] ext4_filemap_fault+0x82/0xad [ 675.066615] __do_fault+0x100/0x6b0 [ 675.070246] ? find_held_lock+0x36/0x1c0 [ 675.074309] ? pmd_devmap_trans_unstable+0x220/0x220 [ 675.079426] ? mark_held_locks+0x130/0x130 [ 675.083666] ? mark_held_locks+0x130/0x130 [ 675.087910] ? debug_smp_processor_id+0x1c/0x20 [ 675.092578] ? perf_trace_lock+0x14d/0x7a0 [ 675.096811] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 675.101424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 675.106972] __handle_mm_fault+0x3ea0/0x5be0 [ 675.111411] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 675.116267] ? lock_is_held_type+0x210/0x210 [ 675.120683] ? preempt_notifier_register+0x200/0x200 [ 675.125789] ? __switch_to_asm+0x34/0x70 [ 675.129851] ? __switch_to_asm+0x34/0x70 [ 675.133925] ? zap_class+0x640/0x640 [ 675.137639] ? zap_class+0x640/0x640 [ 675.141354] ? __x64_sys_futex+0x53e/0x6a0 [ 675.145600] ? find_held_lock+0x36/0x1c0 [ 675.149672] ? handle_mm_fault+0x42a/0xc70 [ 675.153909] ? lock_downgrade+0x900/0x900 [ 675.158064] ? check_preemption_disabled+0x48/0x280 [ 675.163087] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 675.168017] ? kasan_check_read+0x11/0x20 [ 675.172168] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 675.177453] ? rcu_softirq_qs+0x20/0x20 [ 675.181441] ? trace_hardirqs_off_caller+0x310/0x310 [ 675.186548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 675.192087] ? check_preemption_disabled+0x48/0x280 [ 675.197117] handle_mm_fault+0x54f/0xc70 [ 675.201193] ? __handle_mm_fault+0x5be0/0x5be0 [ 675.205785] ? find_vma+0x34/0x190 [ 675.209335] __do_page_fault+0x5e8/0xe60 [ 675.213398] ? trace_hardirqs_off+0xb8/0x310 [ 675.217831] do_page_fault+0xf2/0x7e0 [ 675.221638] ? vmalloc_sync_all+0x30/0x30 [ 675.225791] ? error_entry+0x70/0xd0 [ 675.229510] ? trace_hardirqs_off_caller+0xbb/0x310 [ 675.234533] ? trace_hardirqs_on_caller+0xc0/0x310 [ 675.239462] ? syscall_return_slowpath+0x5e0/0x5e0 [ 675.244394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.249244] ? trace_hardirqs_on_caller+0x310/0x310 [ 675.254259] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 675.259731] ? prepare_exit_to_usermode+0x291/0x3b0 [ 675.264761] ? page_fault+0x8/0x30 [ 675.268335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.273229] ? page_fault+0x8/0x30 [ 675.276772] page_fault+0x1e/0x30 [ 675.280222] RIP: 0033:0x40f9c0 [ 675.283433] Code: Bad RIP value. [ 675.286793] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 675.292158] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 675.299438] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 675.306708] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 675.313974] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 675.321244] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 675.328544] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 675.328608] aoe: skb alloc failure [ 675.335825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 675.335834] Call Trace: [ 675.339433] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 675.348835] [ 675.351403] syz-fuzzer cpuset=/ mems_allowed=0 [ 675.361629] dump_stack+0x244/0x39d [ 675.371960] ? dump_stack_print_info.cold.1+0x20/0x20 [ 675.377164] warn_alloc.cold.116+0xb7/0x1bd [ 675.381489] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 675.386339] ? lock_downgrade+0x900/0x900 [ 675.390496] ? trace_hardirqs_off+0xb8/0x310 [ 675.394911] ? trace_hardirqs_off+0xb8/0x310 [ 675.399325] __alloc_pages_slowpath+0x26e8/0x2e10 [ 675.404211] ? warn_alloc+0x120/0x120 [ 675.408014] ? print_usage_bug+0xc0/0xc0 [ 675.412076] ? warn_alloc+0x120/0x120 [ 675.415885] ? warn_alloc+0x120/0x120 [ 675.419692] ? print_usage_bug+0xc0/0xc0 [ 675.423753] ? kvm_clock_read+0x18/0x30 [ 675.427743] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 675.432765] ? print_usage_bug+0xc0/0xc0 [ 675.436830] ? __lock_acquire+0x62f/0x4c20 [ 675.441073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 675.446614] ? should_fail+0x22d/0xd01 [ 675.450497] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 675.455775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 675.460880] ? __lock_acquire+0x62f/0x4c20 [ 675.465118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 675.470218] ? __lock_acquire+0x62f/0x4c20 [ 675.474457] ? should_fail+0x22d/0xd01 [ 675.478339] ? rcu_irq_exit+0x1a2/0x390 [ 675.482324] ? mark_held_locks+0x130/0x130 [ 675.486564] ? mark_held_locks+0x130/0x130 [ 675.490805] ? mark_held_locks+0xc7/0x130 [ 675.494954] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 675.499970] ? zap_class+0x640/0x640 [ 675.503694] ? print_usage_bug+0xc0/0xc0 [ 675.507766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.513311] ? check_preemption_disabled+0x48/0x280 [ 675.518336] ? __lock_is_held+0xb5/0x140 [ 675.522406] __alloc_pages_nodemask+0xa80/0xde0 [ 675.527090] ? zap_class+0x640/0x640 [ 675.530813] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 675.535841] ? find_held_lock+0x36/0x1c0 [ 675.539915] ? ____cache_alloc_node+0x1c7/0x1e0 [ 675.544590] ? lock_downgrade+0x900/0x900 [ 675.548746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.554291] cache_grow_begin+0xa5/0x8c0 [ 675.558357] ? do_raw_spin_unlock+0xa7/0x330 [ 675.562775] fallback_alloc+0x204/0x2e0 [ 675.566759] ____cache_alloc_node+0x1c7/0x1e0 [ 675.571278] kmem_cache_alloc_node+0xe3/0x730 [ 675.575776] ? ipv6_get_ifaddr+0x42e/0x620 [ 675.580021] __alloc_skb+0x119/0x770 [ 675.583736] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 675.589036] ? netdev_alloc_frag+0x1f0/0x1f0 [ 675.593450] ? lock_downgrade+0x900/0x900 [ 675.597608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.603160] ? refcount_sub_and_test_checked+0x203/0x310 [ 675.608617] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 675.614072] ? addrconf_rs_timer+0x690/0x690 [ 675.618509] ndisc_alloc_skb+0x144/0x340 [ 675.622582] ndisc_send_rs+0x331/0x6e0 [ 675.626476] addrconf_rs_timer+0x314/0x690 [ 675.630731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.634977] call_timer_fn+0x272/0x920 [ 675.638882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.643115] ? process_timeout+0x40/0x40 [ 675.647182] ? __run_timers+0x7da/0xc70 [ 675.651160] ? _raw_spin_unlock_irq+0x27/0x80 [ 675.655656] ? _raw_spin_unlock_irq+0x27/0x80 [ 675.660153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.664387] ? lockdep_hardirqs_on+0x296/0x5b0 [ 675.668977] ? trace_hardirqs_on+0xbd/0x310 [ 675.673297] ? kasan_check_read+0x11/0x20 [ 675.677465] ? __run_timers+0x7da/0xc70 [ 675.681459] ? trace_hardirqs_off_caller+0x310/0x310 [ 675.686586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.690841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 675.695077] __run_timers+0x7e5/0xc70 [ 675.698928] ? timer_fixup_init+0x70/0x70 [ 675.703093] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 675.708112] ? zap_class+0x640/0x640 [ 675.711835] ? enqueue_hrtimer+0x1a5/0x560 [ 675.716073] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 675.721269] ? find_held_lock+0x36/0x1c0 [ 675.725351] ? zap_class+0x640/0x640 [ 675.729069] ? pvclock_read_flags+0x160/0x160 [ 675.733611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.739152] ? check_preemption_disabled+0x48/0x280 [ 675.744179] ? __lock_is_held+0xb5/0x140 [ 675.748241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.753781] ? check_preemption_disabled+0x48/0x280 [ 675.758802] run_timer_softirq+0x52/0xb0 [ 675.762894] ? rcu_read_lock_sched_held+0x14f/0x180 [ 675.767925] __do_softirq+0x308/0xb7e [ 675.771730] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 675.776226] ? lock_downgrade+0x900/0x900 [ 675.780381] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 675.785491] ? pvclock_read_flags+0x160/0x160 [ 675.789988] ? lapic_next_event+0x5a/0x90 [ 675.794139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.799688] ? kvm_clock_read+0x18/0x30 [ 675.803665] ? kvm_sched_clock_read+0x9/0x20 [ 675.808082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.813621] ? check_preemption_disabled+0x48/0x280 [ 675.818647] irq_exit+0x17f/0x1c0 [ 675.822105] smp_apic_timer_interrupt+0x1cb/0x760 [ 675.826946] ? smp_reschedule_interrupt+0x109/0x650 [ 675.831966] ? smp_call_function_single_interrupt+0x650/0x650 [ 675.837851] ? interrupt_entry+0xb5/0xc0 [ 675.841956] ? trace_hardirqs_off_caller+0xbb/0x310 [ 675.846972] ? trace_hardirqs_off_caller+0xbb/0x310 [ 675.852005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.856864] ? trace_hardirqs_on_caller+0x310/0x310 [ 675.861881] ? trace_hardirqs_on_caller+0x310/0x310 [ 675.866897] ? task_prio+0x50/0x50 [ 675.870449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.875986] ? check_preemption_disabled+0x48/0x280 [ 675.881006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 675.885863] apic_timer_interrupt+0xf/0x20 [ 675.890089] [ 675.892327] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 675.897256] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 675.916158] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 675.923884] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 675.931166] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 675.938442] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 675.945709] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 675.952977] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 675.960310] skb_clone+0x1bb/0x500 [ 675.963867] ? finish_task_switch+0x1b4/0x910 [ 675.968367] ? skb_split+0x11e0/0x11e0 [ 675.972257] ? preempt_notifier_register+0x200/0x200 [ 675.977362] ? __switch_to_asm+0x34/0x70 [ 675.981431] ? __switch_to_asm+0x34/0x70 [ 675.985494] ? __switch_to_asm+0x40/0x70 [ 675.989553] ? __switch_to_asm+0x34/0x70 [ 675.993614] ? __switch_to_asm+0x40/0x70 [ 675.997682] ? __switch_to_asm+0x34/0x70 [ 676.001745] ? __switch_to_asm+0x40/0x70 [ 676.005805] ? __switch_to_asm+0x34/0x70 [ 676.009871] ? __switch_to_asm+0x34/0x70 [ 676.013927] ? __switch_to_asm+0x40/0x70 [ 676.017983] ? __switch_to_asm+0x34/0x70 [ 676.022053] bpf_clone_redirect+0xb9/0x490 [ 676.026289] ? __schedule+0x8d7/0x21d0 [ 676.030186] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 676.035205] ? __sched_text_start+0x8/0x8 [ 676.039364] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 676.043944] ? retint_kernel+0x2d/0x2d [ 676.047831] ? trace_hardirqs_on_caller+0xc0/0x310 [ 676.052766] ? find_held_lock+0x36/0x1c0 [ 676.056836] ? lock_acquire+0x1ed/0x520 [ 676.060814] ? bpf_test_run+0x3cb/0x780 [ 676.064796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.070347] ? check_preemption_disabled+0x48/0x280 [ 676.075373] ? kasan_check_read+0x11/0x20 [ 676.079527] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 676.084807] ? rcu_softirq_qs+0x20/0x20 [ 676.088802] ? preempt_schedule+0x4d/0x60 [ 676.092950] ? ___preempt_schedule+0x16/0x18 [ 676.097369] ? bpf_test_run+0x25d/0x780 [ 676.101355] ? netlink_diag_dump+0x2a0/0x2a0 [ 676.105854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.111413] ? bpf_test_init.isra.10+0x70/0x100 [ 676.116098] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 676.120866] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 676.125713] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 676.131254] ? fput+0x130/0x1a0 [ 676.134536] ? __bpf_prog_get+0x9b/0x290 [ 676.138603] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 676.143455] ? bpf_prog_test_run+0x130/0x1a0 [ 676.147871] ? __x64_sys_bpf+0x3d8/0x520 [ 676.151934] ? bpf_prog_get+0x20/0x20 [ 676.155762] ? do_syscall_64+0x1b9/0x820 [ 676.159828] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 676.165211] ? syscall_return_slowpath+0x5e0/0x5e0 [ 676.170155] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.175011] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.180028] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 676.185051] ? prepare_exit_to_usermode+0x291/0x3b0 [ 676.190091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.194940] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 676.200318] warn_alloc_show_mem: 1 callbacks suppressed [ 676.200330] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 676.200332] Mem-Info: [ 676.200364] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 676.200364] active_file:14 inactive_file:14 isolated_file:0 [ 676.200364] unevictable:0 dirty:0 writeback:0 unstable:0 [ 676.200364] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 676.200364] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 676.200364] free:13772 free_pcp:380 free_cma:0 [ 676.205702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 676.212722] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 676.215120] Call Trace: [ 676.248253] 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 [ 676.257598] [ 676.285444] lowmem_reserve[]: 0 2818 6321 6321 [ 676.288038] dump_stack+0x244/0x39d [ 676.314121] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 676.316280] ? dump_stack_print_info.cold.1+0x20/0x20 [ 676.320828] lowmem_reserve[]: 0 0 3503 3503 [ 676.324463] warn_alloc.cold.116+0xb7/0x1bd [ 676.351940] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 676.357134] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 676.361433] lowmem_reserve[]: 0 0 0 0 [ 676.365752] ? lock_downgrade+0x900/0x900 [ 676.394883] 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 [ 676.399738] ? trace_hardirqs_off+0xb8/0x310 [ 676.403502] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 676.407650] ? trace_hardirqs_off+0xb8/0x310 [ 676.421147] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 676.425557] __alloc_pages_slowpath+0x26e8/0x2e10 [ 676.440791] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 676.445218] ? warn_alloc+0x120/0x120 [ 676.459563] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 676.464400] ? warn_alloc+0x120/0x120 [ 676.473208] 12557 total pagecache pages [ 676.477006] ? warn_alloc+0x120/0x120 [ 676.485561] 0 pages in swap cache [ 676.489357] ? print_usage_bug+0xc0/0xc0 [ 676.493302] Swap cache stats: add 0, delete 0, find 0/0 [ 676.493311] Free swap = 0kB [ 676.497105] ? print_usage_bug+0xc0/0xc0 [ 676.500541] Total swap = 0kB [ 676.504598] ? ktime_get+0x2c1/0x400 [ 676.509938] 1965979 pages RAM [ 676.512953] ? check_preemption_disabled+0x48/0x280 [ 676.516986] 0 pages HighMem/MovableOnly [ 676.519996] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 676.523684] 342853 pages reserved [ 676.526800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.531798] 0 pages cma reserved [ 676.535764] ? should_fail+0x22d/0xd01 [ 676.540301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 676.543681] ? kasan_check_read+0x11/0x20 [ 676.549288] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 676.552560] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 676.556435] syz-executor1 cpuset=syz1 mems_allowed=0 [ 676.562924] ? __lock_acquire+0x62f/0x4c20 [ 676.591948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 676.597058] ? should_fail+0x22d/0xd01 [ 676.600961] ? print_usage_bug+0xc0/0xc0 [ 676.605033] ? mark_held_locks+0x130/0x130 [ 676.609271] ? mark_held_locks+0x130/0x130 [ 676.613518] ? check_preemption_disabled+0x48/0x280 [ 676.618547] ? zap_class+0x640/0x640 [ 676.622272] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 676.627032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.632574] ? check_preemption_disabled+0x48/0x280 [ 676.637599] ? __lock_is_held+0xb5/0x140 [ 676.641682] __alloc_pages_nodemask+0xa80/0xde0 [ 676.646353] ? zap_class+0x640/0x640 [ 676.650082] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 676.655113] ? find_held_lock+0x36/0x1c0 [ 676.659197] ? ____cache_alloc_node+0x1c7/0x1e0 [ 676.663885] ? lock_downgrade+0x900/0x900 [ 676.668046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.673591] cache_grow_begin+0xa5/0x8c0 [ 676.677653] ? do_raw_spin_unlock+0xa7/0x330 [ 676.682072] fallback_alloc+0x204/0x2e0 [ 676.686053] ____cache_alloc_node+0x1c7/0x1e0 [ 676.690557] kmem_cache_alloc_node+0xe3/0x730 [ 676.695057] ? lockdep_hardirqs_on+0x296/0x5b0 [ 676.699649] __alloc_skb+0x119/0x770 [ 676.703367] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 676.708740] ? netdev_alloc_frag+0x1f0/0x1f0 [ 676.713169] ? vprintk_default+0x28/0x30 [ 676.717240] ? vprintk_func+0x85/0x181 [ 676.721135] ? printk+0xa7/0xcf [ 676.724414] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 676.729196] new_skb+0x26/0x1c0 [ 676.732478] aoecmd_cfg+0x279/0x7f0 [ 676.736107] ? find_held_lock+0x36/0x1c0 [ 676.740183] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 676.744515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.750067] ? __lock_is_held+0xb5/0x140 [ 676.754141] discover_timer+0x50/0x60 [ 676.757944] call_timer_fn+0x272/0x920 [ 676.761833] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 676.766682] ? process_timeout+0x40/0x40 [ 676.770759] ? mark_held_locks+0xc7/0x130 [ 676.774912] ? _raw_spin_unlock_irq+0x27/0x80 [ 676.779410] ? _raw_spin_unlock_irq+0x27/0x80 [ 676.783915] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 676.788763] ? lockdep_hardirqs_on+0x296/0x5b0 [ 676.793347] ? trace_hardirqs_on+0xbd/0x310 [ 676.797672] ? kasan_check_read+0x11/0x20 [ 676.801822] ? __run_timers+0x7da/0xc70 [ 676.805798] ? trace_hardirqs_off_caller+0x310/0x310 [ 676.810915] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 676.815760] __run_timers+0x7e5/0xc70 [ 676.819576] ? timer_fixup_init+0x70/0x70 [ 676.823729] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 676.828746] ? zap_class+0x640/0x640 [ 676.832466] ? print_usage_bug+0xc0/0xc0 [ 676.836534] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 676.841733] ? find_held_lock+0x36/0x1c0 [ 676.845801] ? zap_class+0x640/0x640 [ 676.849522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.855062] ? check_preemption_disabled+0x48/0x280 [ 676.860093] ? __lock_is_held+0xb5/0x140 [ 676.864156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.869700] ? check_preemption_disabled+0x48/0x280 [ 676.874728] run_timer_softirq+0x52/0xb0 [ 676.878792] ? rcu_read_lock_sched_held+0x14f/0x180 [ 676.883811] __do_softirq+0x308/0xb7e [ 676.887617] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 676.892111] ? lock_downgrade+0x900/0x900 [ 676.896265] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 676.901379] ? pvclock_read_flags+0x160/0x160 [ 676.905876] ? lapic_next_event+0x5a/0x90 [ 676.910032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.915577] ? kvm_clock_read+0x18/0x30 [ 676.919559] ? kvm_sched_clock_read+0x9/0x20 [ 676.923975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.929518] ? check_preemption_disabled+0x48/0x280 [ 676.934545] irq_exit+0x17f/0x1c0 [ 676.938005] smp_apic_timer_interrupt+0x1cb/0x760 [ 676.942861] ? smp_reschedule_interrupt+0x109/0x650 [ 676.947880] ? smp_call_function_single_interrupt+0x650/0x650 [ 676.953768] ? interrupt_entry+0xb5/0xc0 [ 676.957832] ? trace_hardirqs_off_caller+0xbb/0x310 [ 676.962849] ? trace_hardirqs_off_caller+0xbb/0x310 [ 676.967872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.972719] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.977881] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.982904] ? task_prio+0x50/0x50 [ 676.986454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.991997] ? check_preemption_disabled+0x48/0x280 [ 676.997019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 677.001872] apic_timer_interrupt+0xf/0x20 [ 677.006103] [ 677.008348] RIP: 0010:dump_stack+0x20e/0x39d [ 677.012762] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 677.031695] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 677.039407] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 677.046687] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 677.053957] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 677.061227] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 677.068498] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 677.075792] ? dump_stack+0x205/0x39d [ 677.079612] ? dump_stack_print_info.cold.1+0x20/0x20 [ 677.084809] ? mark_held_locks+0x130/0x130 [ 677.089044] ? mark_held_locks+0x130/0x130 [ 677.093285] dump_header+0x27b/0xf72 [ 677.097015] ? pagefault_out_of_memory+0x197/0x197 [ 677.101953] ? __lock_acquire+0x62f/0x4c20 [ 677.106680] ? percpu_ref_get_many+0x240/0x240 [ 677.111268] ? print_usage_bug+0xc0/0xc0 [ 677.115337] ? zap_class+0x640/0x640 [ 677.119055] ? print_usage_bug+0xc0/0xc0 [ 677.123120] ? print_usage_bug+0xc0/0xc0 [ 677.127187] ? zap_class+0x640/0x640 [ 677.130911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.136462] ? find_held_lock+0x36/0x1c0 [ 677.140536] ? mark_held_locks+0xc7/0x130 [ 677.144691] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 677.149808] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 677.154942] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 677.159528] ? trace_hardirqs_on+0xbd/0x310 [ 677.163849] ? kasan_check_read+0x11/0x20 [ 677.168002] ? ___ratelimit+0x3b4/0x672 [ 677.171977] ? trace_hardirqs_off_caller+0x310/0x310 [ 677.177085] ? trace_hardirqs_on+0x310/0x310 [ 677.181497] ? lock_downgrade+0x900/0x900 [ 677.185653] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 677.190776] ? ___ratelimit+0x3b9/0x672 [ 677.194753] ? idr_get_free+0xf70/0xf70 [ 677.198734] ? find_held_lock+0x36/0x1c0 [ 677.202807] oom_kill_process.cold.27+0x10/0x903 [ 677.207570] ? zap_class+0x640/0x640 [ 677.211286] ? check_preemption_disabled+0x48/0x280 [ 677.216305] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 677.221235] ? kasan_check_read+0x11/0x20 [ 677.225386] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 677.230674] ? oom_evaluate_task+0x540/0x540 [ 677.235086] ? find_held_lock+0x36/0x1c0 [ 677.239195] ? out_of_memory+0x974/0x1430 [ 677.243345] ? lock_downgrade+0x900/0x900 [ 677.247499] ? check_preemption_disabled+0x48/0x280 [ 677.252520] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 677.257456] ? kasan_check_read+0x11/0x20 [ 677.261608] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 677.266885] ? rcu_softirq_qs+0x20/0x20 [ 677.270866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.276403] ? oom_evaluate_task+0x302/0x540 [ 677.280829] out_of_memory+0xa84/0x1430 [ 677.284815] ? oom_killer_disable+0x3a0/0x3a0 [ 677.289313] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 677.294248] ? __ww_mutex_check_waiters+0x160/0x160 [ 677.299276] __alloc_pages_slowpath+0x2354/0x2e10 [ 677.304149] ? warn_alloc+0x120/0x120 [ 677.307957] ? mark_held_locks+0x130/0x130 [ 677.312206] ? find_get_entry+0xaae/0x1120 [ 677.316460] ? filemap_map_pages+0x1a20/0x1a20 [ 677.321048] ? zap_class+0x640/0x640 [ 677.324771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.330311] ? check_preemption_disabled+0x48/0x280 [ 677.335327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.340867] ? should_fail+0x22d/0xd01 [ 677.344760] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 677.349866] ? zap_class+0x640/0x640 [ 677.353612] ? __lock_is_held+0xb5/0x140 [ 677.357686] ? mark_held_locks+0x130/0x130 [ 677.361927] ? lock_release+0xa00/0xa00 [ 677.365902] ? perf_trace_sched_process_exec+0x860/0x860 [ 677.371356] ? xa_load+0x2ba/0x460 [ 677.374899] ? lock_downgrade+0x900/0x900 [ 677.379053] ? __might_sleep+0x95/0x190 [ 677.383038] __alloc_pages_nodemask+0xa80/0xde0 [ 677.387720] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 677.392742] ? __page_cache_alloc+0x191/0x5c0 [ 677.397239] ? xa_load+0x2e1/0x460 [ 677.400780] ? xa_clear_mark+0x40/0x40 [ 677.404676] ? zap_class+0x640/0x640 [ 677.408402] ? zap_class+0x640/0x640 [ 677.412127] ? zap_class+0x640/0x640 [ 677.415846] ? __do_page_cache_readahead+0x663/0x810 [ 677.420959] ? find_held_lock+0x36/0x1c0 [ 677.425030] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 677.430578] alloc_pages_current+0x173/0x350 [ 677.434995] __page_cache_alloc+0x38c/0x5c0 [ 677.439315] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 677.444248] ? kasan_check_read+0x11/0x20 [ 677.448394] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 677.453681] ? generic_perform_write+0x6a0/0x6a0 [ 677.458449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.463990] ? check_preemption_disabled+0x48/0x280 [ 677.469021] filemap_fault+0x1595/0x25f0 [ 677.473101] ? __lock_page_or_retry+0xa00/0xa00 [ 677.477779] ? mark_held_locks+0x130/0x130 [ 677.482029] ? filemap_map_pages+0xd6b/0x1a20 [ 677.486526] ? lock_downgrade+0x900/0x900 [ 677.490680] ? check_preemption_disabled+0x48/0x280 [ 677.495705] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 677.500639] ? kasan_check_read+0x11/0x20 [ 677.504787] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 677.510063] ? rcu_softirq_qs+0x20/0x20 [ 677.514053] ? filemap_map_pages+0xd92/0x1a20 [ 677.518565] ? find_get_entries_tag+0x1400/0x1400 [ 677.523413] ? debug_object_destroy+0x2b0/0x2b0 [ 677.528101] ? lock_pi_update_atomic+0x150/0x150 [ 677.532861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.538424] ? lock_acquire+0x1ed/0x520 [ 677.542399] ? ext4_filemap_fault+0x7a/0xad [ 677.546738] ? lock_release+0xa00/0xa00 [ 677.550711] ? perf_trace_sched_process_exec+0x860/0x860 [ 677.556164] ? print_usage_bug+0xc0/0xc0 [ 677.560232] ? print_usage_bug+0xc0/0xc0 [ 677.564310] ? down_read+0x8d/0x120 [ 677.567939] ? ext4_filemap_fault+0x7a/0xad [ 677.572267] ? __down_interruptible+0x700/0x700 [ 677.576947] ext4_filemap_fault+0x82/0xad [ 677.581103] __do_fault+0x100/0x6b0 [ 677.584747] ? find_held_lock+0x36/0x1c0 [ 677.588812] ? pmd_devmap_trans_unstable+0x220/0x220 [ 677.593929] ? mark_held_locks+0x130/0x130 [ 677.598174] ? mark_held_locks+0x130/0x130 [ 677.602431] ? debug_smp_processor_id+0x1c/0x20 [ 677.607103] ? perf_trace_lock+0x14d/0x7a0 [ 677.611350] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 677.615948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.621495] __handle_mm_fault+0x3ea0/0x5be0 [ 677.625913] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 677.630757] ? lock_is_held_type+0x210/0x210 [ 677.635181] ? preempt_notifier_register+0x200/0x200 [ 677.640283] ? __switch_to_asm+0x34/0x70 [ 677.644347] ? __switch_to_asm+0x34/0x70 [ 677.648436] ? zap_class+0x640/0x640 [ 677.652152] ? zap_class+0x640/0x640 [ 677.655870] ? __x64_sys_futex+0x53e/0x6a0 [ 677.660110] ? find_held_lock+0x36/0x1c0 [ 677.664187] ? handle_mm_fault+0x42a/0xc70 [ 677.668445] ? lock_downgrade+0x900/0x900 [ 677.672594] ? check_preemption_disabled+0x48/0x280 [ 677.677629] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 677.682558] ? kasan_check_read+0x11/0x20 [ 677.686704] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 677.692009] ? rcu_softirq_qs+0x20/0x20 [ 677.695993] ? trace_hardirqs_off_caller+0x310/0x310 [ 677.701162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.706704] ? check_preemption_disabled+0x48/0x280 [ 677.711730] handle_mm_fault+0x54f/0xc70 [ 677.715829] ? __handle_mm_fault+0x5be0/0x5be0 [ 677.720426] ? find_vma+0x34/0x190 [ 677.723976] __do_page_fault+0x5e8/0xe60 [ 677.728040] ? trace_hardirqs_off+0xb8/0x310 [ 677.732465] do_page_fault+0xf2/0x7e0 [ 677.736270] ? vmalloc_sync_all+0x30/0x30 [ 677.740422] ? error_entry+0x70/0xd0 [ 677.744139] ? trace_hardirqs_off_caller+0xbb/0x310 [ 677.749159] ? trace_hardirqs_on_caller+0xc0/0x310 [ 677.754093] ? syscall_return_slowpath+0x5e0/0x5e0 [ 677.759040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 677.763889] ? trace_hardirqs_on_caller+0x310/0x310 [ 677.768906] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 677.774362] ? prepare_exit_to_usermode+0x291/0x3b0 [ 677.779429] ? page_fault+0x8/0x30 [ 677.782973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 677.787846] ? page_fault+0x8/0x30 [ 677.791392] page_fault+0x1e/0x30 [ 677.794855] RIP: 0033:0x40f9c0 [ 677.798066] Code: Bad RIP value. [ 677.801434] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 677.806798] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 677.814062] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 677.821328] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 677.828595] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 677.835878] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 677.843171] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 677.843275] aoe: skb alloc failure [ 677.850464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 677.850469] Call Trace: [ 677.850476] [ 677.850500] dump_stack+0x244/0x39d [ 677.850520] ? dump_stack_print_info.cold.1+0x20/0x20 [ 677.854070] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 677.863664] warn_alloc.cold.116+0xb7/0x1bd [ 677.866232] syz-fuzzer cpuset=/ mems_allowed=0 [ 677.868376] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 677.901067] ? lock_downgrade+0x900/0x900 [ 677.905260] ? trace_hardirqs_off+0xb8/0x310 [ 677.909703] ? trace_hardirqs_off+0xb8/0x310 [ 677.914126] __alloc_pages_slowpath+0x26e8/0x2e10 [ 677.919015] ? warn_alloc+0x120/0x120 [ 677.922819] ? print_usage_bug+0xc0/0xc0 [ 677.926908] ? warn_alloc+0x120/0x120 [ 677.930719] ? warn_alloc+0x120/0x120 [ 677.934521] ? print_usage_bug+0xc0/0xc0 [ 677.938580] ? kvm_clock_read+0x18/0x30 [ 677.942555] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 677.947576] ? print_usage_bug+0xc0/0xc0 [ 677.951640] ? __lock_acquire+0x62f/0x4c20 [ 677.955901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.961449] ? should_fail+0x22d/0xd01 [ 677.965337] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 677.970619] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 677.975726] ? __lock_acquire+0x62f/0x4c20 [ 677.979965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 677.985071] ? __lock_acquire+0x62f/0x4c20 [ 677.989320] ? should_fail+0x22d/0xd01 [ 677.993205] ? rcu_irq_exit+0x1a2/0x390 [ 677.997199] ? mark_held_locks+0x130/0x130 [ 678.001447] ? mark_held_locks+0x130/0x130 [ 678.005696] ? mark_held_locks+0xc7/0x130 [ 678.009848] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 678.014881] ? zap_class+0x640/0x640 [ 678.018595] ? print_usage_bug+0xc0/0xc0 [ 678.022686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.028231] ? check_preemption_disabled+0x48/0x280 [ 678.033273] ? __lock_is_held+0xb5/0x140 [ 678.037339] __alloc_pages_nodemask+0xa80/0xde0 [ 678.042021] ? zap_class+0x640/0x640 [ 678.045739] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 678.050814] ? find_held_lock+0x36/0x1c0 [ 678.054886] ? ____cache_alloc_node+0x1c7/0x1e0 [ 678.059562] ? lock_downgrade+0x900/0x900 [ 678.063724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.069268] cache_grow_begin+0xa5/0x8c0 [ 678.073329] ? do_raw_spin_unlock+0xa7/0x330 [ 678.077748] fallback_alloc+0x204/0x2e0 [ 678.081729] ____cache_alloc_node+0x1c7/0x1e0 [ 678.086234] kmem_cache_alloc_node+0xe3/0x730 [ 678.090728] ? ipv6_get_ifaddr+0x42e/0x620 [ 678.094978] __alloc_skb+0x119/0x770 [ 678.098697] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 678.103978] ? netdev_alloc_frag+0x1f0/0x1f0 [ 678.108543] ? lock_downgrade+0x900/0x900 [ 678.112709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.118271] ? refcount_sub_and_test_checked+0x203/0x310 [ 678.123756] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 678.129216] ? addrconf_rs_timer+0x690/0x690 [ 678.133641] ndisc_alloc_skb+0x144/0x340 [ 678.137714] ndisc_send_rs+0x331/0x6e0 [ 678.141612] addrconf_rs_timer+0x314/0x690 [ 678.145856] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 678.150103] call_timer_fn+0x272/0x920 [ 678.153990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 678.158223] ? process_timeout+0x40/0x40 [ 678.162299] ? __run_timers+0x7da/0xc70 [ 678.166277] ? _raw_spin_unlock_irq+0x27/0x80 [ 678.170775] ? _raw_spin_unlock_irq+0x27/0x80 [ 678.175269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 678.179509] ? lockdep_hardirqs_on+0x296/0x5b0 [ 678.184093] ? trace_hardirqs_on+0xbd/0x310 [ 678.188424] ? kasan_check_read+0x11/0x20 [ 678.192591] ? __run_timers+0x7da/0xc70 [ 678.196568] ? trace_hardirqs_off_caller+0x310/0x310 [ 678.201685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 678.205925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 678.210162] __run_timers+0x7e5/0xc70 [ 678.213976] ? timer_fixup_init+0x70/0x70 [ 678.218127] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 678.223144] ? zap_class+0x640/0x640 [ 678.226865] ? enqueue_hrtimer+0x1a5/0x560 [ 678.231117] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 678.236329] ? find_held_lock+0x36/0x1c0 [ 678.240400] ? zap_class+0x640/0x640 [ 678.244127] ? pvclock_read_flags+0x160/0x160 [ 678.248626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.254167] ? check_preemption_disabled+0x48/0x280 [ 678.259195] ? __lock_is_held+0xb5/0x140 [ 678.263277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.268816] ? check_preemption_disabled+0x48/0x280 [ 678.273842] run_timer_softirq+0x52/0xb0 [ 678.277907] ? rcu_read_lock_sched_held+0x14f/0x180 [ 678.282924] __do_softirq+0x308/0xb7e [ 678.286742] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 678.291241] ? lock_downgrade+0x900/0x900 [ 678.295410] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 678.300534] ? pvclock_read_flags+0x160/0x160 [ 678.305032] ? lapic_next_event+0x5a/0x90 [ 678.309188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.314730] ? kvm_clock_read+0x18/0x30 [ 678.318707] ? kvm_sched_clock_read+0x9/0x20 [ 678.323117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.328662] ? check_preemption_disabled+0x48/0x280 [ 678.333704] irq_exit+0x17f/0x1c0 [ 678.337166] smp_apic_timer_interrupt+0x1cb/0x760 [ 678.342006] ? smp_reschedule_interrupt+0x109/0x650 [ 678.347023] ? smp_call_function_single_interrupt+0x650/0x650 [ 678.352907] ? interrupt_entry+0xb5/0xc0 [ 678.356974] ? trace_hardirqs_off_caller+0xbb/0x310 [ 678.361990] ? trace_hardirqs_off_caller+0xbb/0x310 [ 678.367008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 678.371855] ? trace_hardirqs_on_caller+0x310/0x310 [ 678.376874] ? trace_hardirqs_on_caller+0x310/0x310 [ 678.381889] ? task_prio+0x50/0x50 [ 678.385442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.391003] ? check_preemption_disabled+0x48/0x280 [ 678.396041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 678.400893] apic_timer_interrupt+0xf/0x20 [ 678.405121] [ 678.407365] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 678.412293] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 678.431201] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 678.438912] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 678.446177] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 678.453450] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 678.460714] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 678.467983] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 678.475303] skb_clone+0x1bb/0x500 [ 678.478850] ? finish_task_switch+0x1b4/0x910 [ 678.483347] ? skb_split+0x11e0/0x11e0 [ 678.487286] ? preempt_notifier_register+0x200/0x200 [ 678.492386] ? __switch_to_asm+0x34/0x70 [ 678.496452] ? __switch_to_asm+0x34/0x70 [ 678.500510] ? __switch_to_asm+0x40/0x70 [ 678.504568] ? __switch_to_asm+0x34/0x70 [ 678.508628] ? __switch_to_asm+0x40/0x70 [ 678.512694] ? __switch_to_asm+0x34/0x70 [ 678.516753] ? __switch_to_asm+0x40/0x70 [ 678.520813] ? __switch_to_asm+0x34/0x70 [ 678.524873] ? __switch_to_asm+0x34/0x70 [ 678.528932] ? __switch_to_asm+0x40/0x70 [ 678.532990] ? __switch_to_asm+0x34/0x70 [ 678.537057] bpf_clone_redirect+0xb9/0x490 [ 678.541296] ? __schedule+0x8d7/0x21d0 [ 678.545193] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 678.550217] ? __sched_text_start+0x8/0x8 [ 678.554368] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 678.558951] ? retint_kernel+0x2d/0x2d [ 678.562849] ? trace_hardirqs_on_caller+0xc0/0x310 [ 678.567785] ? find_held_lock+0x36/0x1c0 [ 678.571855] ? lock_acquire+0x1ed/0x520 [ 678.575830] ? bpf_test_run+0x3cb/0x780 [ 678.579810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.585349] ? check_preemption_disabled+0x48/0x280 [ 678.590376] ? kasan_check_read+0x11/0x20 [ 678.594523] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 678.599802] ? rcu_softirq_qs+0x20/0x20 [ 678.603780] ? preempt_schedule+0x4d/0x60 [ 678.607927] ? ___preempt_schedule+0x16/0x18 [ 678.612349] ? bpf_test_run+0x25d/0x780 [ 678.616337] ? netlink_diag_dump+0x2a0/0x2a0 [ 678.620754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 678.626293] ? bpf_test_init.isra.10+0x70/0x100 [ 678.630971] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 678.635737] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 678.640581] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 678.646124] ? fput+0x130/0x1a0 [ 678.649404] ? __bpf_prog_get+0x9b/0x290 [ 678.653476] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 678.658317] ? bpf_prog_test_run+0x130/0x1a0 [ 678.662730] ? __x64_sys_bpf+0x3d8/0x520 [ 678.666793] ? bpf_prog_get+0x20/0x20 [ 678.670618] ? do_syscall_64+0x1b9/0x820 [ 678.674682] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 678.680049] ? syscall_return_slowpath+0x5e0/0x5e0 [ 678.684979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 678.689824] ? trace_hardirqs_on_caller+0x310/0x310 [ 678.694841] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 678.699859] ? prepare_exit_to_usermode+0x291/0x3b0 [ 678.704885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 678.709740] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 678.715119] warn_alloc_show_mem: 1 callbacks suppressed [ 678.715131] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 678.715133] Mem-Info: [ 678.715165] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 678.715165] active_file:14 inactive_file:14 isolated_file:0 [ 678.715165] unevictable:0 dirty:0 writeback:0 unstable:0 [ 678.715165] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 678.715165] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 678.715165] free:13772 free_pcp:380 free_cma:0 [ 678.720507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 678.727537] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 678.729936] Call Trace: [ 678.763067] 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 [ 678.772424] [ 678.800250] lowmem_reserve[]: 0 2818 6321 6321 [ 678.802854] dump_stack+0x244/0x39d [ 678.828936] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 678.831095] ? dump_stack_print_info.cold.1+0x20/0x20 [ 678.835637] lowmem_reserve[]: 0 0 3503 3503 [ 678.839276] warn_alloc.cold.116+0xb7/0x1bd [ 678.866749] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 678.871944] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 678.876227] lowmem_reserve[]: 0 0 0 0 [ 678.880570] ? lock_downgrade+0x900/0x900 [ 678.909705] 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 [ 678.914556] ? trace_hardirqs_off+0xb8/0x310 [ 678.918313] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 678.922468] ? trace_hardirqs_off+0xb8/0x310 [ 678.935961] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 678.940372] __alloc_pages_slowpath+0x26e8/0x2e10 [ 678.955605] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 678.960032] ? warn_alloc+0x120/0x120 [ 678.974481] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 678.979327] ? warn_alloc+0x120/0x120 [ 678.988130] 12557 total pagecache pages [ 678.991946] ? __lock_acquire+0x62f/0x4c20 [ 679.000496] 0 pages in swap cache [ 679.004288] ? warn_alloc+0x120/0x120 [ 679.008232] Swap cache stats: add 0, delete 0, find 0/0 [ 679.008241] Free swap = 0kB [ 679.012487] ? print_usage_bug+0xc0/0xc0 [ 679.015913] Total swap = 0kB [ 679.019714] ? print_usage_bug+0xc0/0xc0 [ 679.025063] 1965979 pages RAM [ 679.028086] ? mark_held_locks+0x130/0x130 [ 679.032116] 0 pages HighMem/MovableOnly [ 679.035134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.039157] 342853 pages reserved [ 679.039166] 0 pages cma reserved [ 679.042272] ? should_fail+0x22d/0xd01 [ 679.046544] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 679.050470] ? zap_class+0x640/0x640 [ 679.056078] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 679.059438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 679.062783] syz-executor1 cpuset=syz1 mems_allowed=0 [ 679.066664] ? __lock_acquire+0x62f/0x4c20 [ 679.101746] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 679.106858] ? should_fail+0x22d/0xd01 [ 679.110759] ? mark_held_locks+0x130/0x130 [ 679.115003] ? mark_held_locks+0x130/0x130 [ 679.119241] ? lock_downgrade+0x900/0x900 [ 679.123394] ? zap_class+0x640/0x640 [ 679.127121] ? zap_class+0x640/0x640 [ 679.130843] ? zap_class+0x640/0x640 [ 679.134554] ? do_raw_spin_unlock+0xa7/0x330 [ 679.138965] ? trace_hardirqs_on+0x310/0x310 [ 679.143374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.148917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.154463] ? check_preemption_disabled+0x48/0x280 [ 679.159492] ? __lock_is_held+0xb5/0x140 [ 679.163561] __alloc_pages_nodemask+0xa80/0xde0 [ 679.168231] ? zap_class+0x640/0x640 [ 679.171951] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 679.176987] ? find_held_lock+0x36/0x1c0 [ 679.181071] ? ____cache_alloc_node+0x1c7/0x1e0 [ 679.185750] ? lock_downgrade+0x900/0x900 [ 679.189911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.195463] cache_grow_begin+0xa5/0x8c0 [ 679.199527] ? do_raw_spin_unlock+0xa7/0x330 [ 679.203947] fallback_alloc+0x204/0x2e0 [ 679.207940] ____cache_alloc_node+0x1c7/0x1e0 [ 679.212452] kmem_cache_alloc_node+0xe3/0x730 [ 679.216965] ? lockdep_hardirqs_on+0x296/0x5b0 [ 679.221561] __alloc_skb+0x119/0x770 [ 679.225278] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 679.230653] ? netdev_alloc_frag+0x1f0/0x1f0 [ 679.235071] ? vprintk_default+0x28/0x30 [ 679.239134] ? vprintk_func+0x85/0x181 [ 679.243030] ? printk+0xa7/0xcf [ 679.246320] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 679.251097] new_skb+0x26/0x1c0 [ 679.254382] aoecmd_cfg+0x279/0x7f0 [ 679.258017] ? find_held_lock+0x36/0x1c0 [ 679.262081] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 679.266411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.271976] ? __lock_is_held+0xb5/0x140 [ 679.276087] discover_timer+0x50/0x60 [ 679.279905] call_timer_fn+0x272/0x920 [ 679.283800] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 679.288650] ? process_timeout+0x40/0x40 [ 679.292723] ? mark_held_locks+0xc7/0x130 [ 679.296874] ? _raw_spin_unlock_irq+0x27/0x80 [ 679.301368] ? _raw_spin_unlock_irq+0x27/0x80 [ 679.305869] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 679.310718] ? lockdep_hardirqs_on+0x296/0x5b0 [ 679.315310] ? trace_hardirqs_on+0xbd/0x310 [ 679.319633] ? kasan_check_read+0x11/0x20 [ 679.323781] ? __run_timers+0x7da/0xc70 [ 679.327757] ? trace_hardirqs_off_caller+0x310/0x310 [ 679.332877] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 679.337722] __run_timers+0x7e5/0xc70 [ 679.341550] ? timer_fixup_init+0x70/0x70 [ 679.345702] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 679.350720] ? zap_class+0x640/0x640 [ 679.354447] ? print_usage_bug+0xc0/0xc0 [ 679.358517] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 679.363720] ? find_held_lock+0x36/0x1c0 [ 679.367788] ? zap_class+0x640/0x640 [ 679.371510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.377051] ? check_preemption_disabled+0x48/0x280 [ 679.382084] ? __lock_is_held+0xb5/0x140 [ 679.386151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.391693] ? check_preemption_disabled+0x48/0x280 [ 679.396723] run_timer_softirq+0x52/0xb0 [ 679.400789] ? rcu_read_lock_sched_held+0x14f/0x180 [ 679.405806] __do_softirq+0x308/0xb7e [ 679.409611] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 679.414112] ? lock_downgrade+0x900/0x900 [ 679.418265] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 679.423380] ? pvclock_read_flags+0x160/0x160 [ 679.427883] ? lapic_next_event+0x5a/0x90 [ 679.432036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.437587] ? kvm_clock_read+0x18/0x30 [ 679.441560] ? kvm_sched_clock_read+0x9/0x20 [ 679.445972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.451514] ? check_preemption_disabled+0x48/0x280 [ 679.456542] irq_exit+0x17f/0x1c0 [ 679.459998] smp_apic_timer_interrupt+0x1cb/0x760 [ 679.464845] ? smp_reschedule_interrupt+0x109/0x650 [ 679.469863] ? smp_call_function_single_interrupt+0x650/0x650 [ 679.475749] ? interrupt_entry+0xb5/0xc0 [ 679.479819] ? trace_hardirqs_off_caller+0xbb/0x310 [ 679.484836] ? trace_hardirqs_off_caller+0xbb/0x310 [ 679.489856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.494704] ? trace_hardirqs_on_caller+0x310/0x310 [ 679.499722] ? trace_hardirqs_on_caller+0x310/0x310 [ 679.504741] ? task_prio+0x50/0x50 [ 679.508289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.513831] ? check_preemption_disabled+0x48/0x280 [ 679.518857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.523712] apic_timer_interrupt+0xf/0x20 [ 679.527946] [ 679.530213] RIP: 0010:dump_stack+0x20e/0x39d [ 679.534628] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 679.553535] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 679.561342] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 679.568612] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 679.575878] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 679.583144] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 679.590413] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 679.597721] ? dump_stack+0x205/0x39d [ 679.601540] ? dump_stack_print_info.cold.1+0x20/0x20 [ 679.606739] ? mark_held_locks+0x130/0x130 [ 679.610979] ? mark_held_locks+0x130/0x130 [ 679.615219] dump_header+0x27b/0xf72 [ 679.618945] ? pagefault_out_of_memory+0x197/0x197 [ 679.623886] ? __lock_acquire+0x62f/0x4c20 [ 679.628121] ? percpu_ref_get_many+0x240/0x240 [ 679.632710] ? print_usage_bug+0xc0/0xc0 [ 679.636778] ? zap_class+0x640/0x640 [ 679.640493] ? print_usage_bug+0xc0/0xc0 [ 679.644555] ? print_usage_bug+0xc0/0xc0 [ 679.648618] ? zap_class+0x640/0x640 [ 679.652340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.657881] ? find_held_lock+0x36/0x1c0 [ 679.661951] ? mark_held_locks+0xc7/0x130 [ 679.666101] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 679.671211] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 679.676330] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 679.680915] ? trace_hardirqs_on+0xbd/0x310 [ 679.685240] ? kasan_check_read+0x11/0x20 [ 679.689473] ? ___ratelimit+0x3b4/0x672 [ 679.693462] ? trace_hardirqs_off_caller+0x310/0x310 [ 679.698566] ? trace_hardirqs_on+0x310/0x310 [ 679.702981] ? lock_downgrade+0x900/0x900 [ 679.707137] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 679.712242] ? ___ratelimit+0x3b9/0x672 [ 679.716239] ? idr_get_free+0xf70/0xf70 [ 679.720246] ? find_held_lock+0x36/0x1c0 [ 679.724320] oom_kill_process.cold.27+0x10/0x903 [ 679.729084] ? zap_class+0x640/0x640 [ 679.732799] ? check_preemption_disabled+0x48/0x280 [ 679.737836] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 679.742797] ? kasan_check_read+0x11/0x20 [ 679.746945] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 679.752225] ? oom_evaluate_task+0x540/0x540 [ 679.756638] ? find_held_lock+0x36/0x1c0 [ 679.760709] ? out_of_memory+0x974/0x1430 [ 679.764863] ? lock_downgrade+0x900/0x900 [ 679.769012] ? check_preemption_disabled+0x48/0x280 [ 679.774034] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 679.778962] ? kasan_check_read+0x11/0x20 [ 679.783111] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 679.788389] ? rcu_softirq_qs+0x20/0x20 [ 679.792377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.797912] ? oom_evaluate_task+0x302/0x540 [ 679.802330] out_of_memory+0xa84/0x1430 [ 679.806317] ? oom_killer_disable+0x3a0/0x3a0 [ 679.810812] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 679.815750] ? __ww_mutex_check_waiters+0x160/0x160 [ 679.820781] __alloc_pages_slowpath+0x2354/0x2e10 [ 679.825655] ? warn_alloc+0x120/0x120 [ 679.829455] ? mark_held_locks+0x130/0x130 [ 679.833711] ? find_get_entry+0xaae/0x1120 [ 679.837973] ? filemap_map_pages+0x1a20/0x1a20 [ 679.842559] ? zap_class+0x640/0x640 [ 679.846286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.851824] ? check_preemption_disabled+0x48/0x280 [ 679.856855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.862408] ? should_fail+0x22d/0xd01 [ 679.866316] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 679.871434] ? zap_class+0x640/0x640 [ 679.875183] ? __lock_is_held+0xb5/0x140 [ 679.879256] ? mark_held_locks+0x130/0x130 [ 679.883494] ? lock_release+0xa00/0xa00 [ 679.887473] ? perf_trace_sched_process_exec+0x860/0x860 [ 679.892943] ? xa_load+0x2ba/0x460 [ 679.896485] ? lock_downgrade+0x900/0x900 [ 679.900638] ? __might_sleep+0x95/0x190 [ 679.904623] __alloc_pages_nodemask+0xa80/0xde0 [ 679.909303] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 679.914320] ? __page_cache_alloc+0x191/0x5c0 [ 679.918815] ? xa_load+0x2e1/0x460 [ 679.922366] ? xa_clear_mark+0x40/0x40 [ 679.926256] ? zap_class+0x640/0x640 [ 679.929994] ? zap_class+0x640/0x640 [ 679.933722] ? zap_class+0x640/0x640 [ 679.937453] ? __do_page_cache_readahead+0x663/0x810 [ 679.942562] ? find_held_lock+0x36/0x1c0 [ 679.946629] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 679.952176] alloc_pages_current+0x173/0x350 [ 679.956602] __page_cache_alloc+0x38c/0x5c0 [ 679.960924] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 679.965852] ? kasan_check_read+0x11/0x20 [ 679.969999] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 679.975281] ? generic_perform_write+0x6a0/0x6a0 [ 679.980043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.985586] ? check_preemption_disabled+0x48/0x280 [ 679.990612] filemap_fault+0x1595/0x25f0 [ 679.994687] ? __lock_page_or_retry+0xa00/0xa00 [ 679.999359] ? mark_held_locks+0x130/0x130 [ 680.003607] ? filemap_map_pages+0xd6b/0x1a20 [ 680.008105] ? lock_downgrade+0x900/0x900 [ 680.012253] ? check_preemption_disabled+0x48/0x280 [ 680.017275] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 680.022209] ? kasan_check_read+0x11/0x20 [ 680.026357] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 680.031633] ? rcu_softirq_qs+0x20/0x20 [ 680.035624] ? filemap_map_pages+0xd92/0x1a20 [ 680.040138] ? find_get_entries_tag+0x1400/0x1400 [ 680.044985] ? debug_object_destroy+0x2b0/0x2b0 [ 680.049657] ? lock_pi_update_atomic+0x150/0x150 [ 680.054423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.059980] ? lock_acquire+0x1ed/0x520 [ 680.063958] ? ext4_filemap_fault+0x7a/0xad [ 680.068287] ? lock_release+0xa00/0xa00 [ 680.072260] ? perf_trace_sched_process_exec+0x860/0x860 [ 680.077712] ? print_usage_bug+0xc0/0xc0 [ 680.081778] ? print_usage_bug+0xc0/0xc0 [ 680.085853] ? down_read+0x8d/0x120 [ 680.089477] ? ext4_filemap_fault+0x7a/0xad [ 680.093804] ? __down_interruptible+0x700/0x700 [ 680.098483] ext4_filemap_fault+0x82/0xad [ 680.102648] __do_fault+0x100/0x6b0 [ 680.106781] ? find_held_lock+0x36/0x1c0 [ 680.110847] ? pmd_devmap_trans_unstable+0x220/0x220 [ 680.115959] ? mark_held_locks+0x130/0x130 [ 680.120228] ? mark_held_locks+0x130/0x130 [ 680.124497] ? debug_smp_processor_id+0x1c/0x20 [ 680.129584] ? perf_trace_lock+0x14d/0x7a0 [ 680.133820] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 680.138411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 680.143965] __handle_mm_fault+0x3ea0/0x5be0 [ 680.148395] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 680.153248] ? lock_is_held_type+0x210/0x210 [ 680.157665] ? preempt_notifier_register+0x200/0x200 [ 680.162769] ? __switch_to_asm+0x34/0x70 [ 680.166833] ? __switch_to_asm+0x34/0x70 [ 680.170909] ? zap_class+0x640/0x640 [ 680.174629] ? zap_class+0x640/0x640 [ 680.178348] ? __x64_sys_futex+0x53e/0x6a0 [ 680.182591] ? find_held_lock+0x36/0x1c0 [ 680.186666] ? handle_mm_fault+0x42a/0xc70 [ 680.190905] ? lock_downgrade+0x900/0x900 [ 680.195056] ? check_preemption_disabled+0x48/0x280 [ 680.200077] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 680.205007] ? kasan_check_read+0x11/0x20 [ 680.209157] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 680.214442] ? rcu_softirq_qs+0x20/0x20 [ 680.218443] ? trace_hardirqs_off_caller+0x310/0x310 [ 680.223583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 680.229124] ? check_preemption_disabled+0x48/0x280 [ 680.234149] handle_mm_fault+0x54f/0xc70 [ 680.238246] ? __handle_mm_fault+0x5be0/0x5be0 [ 680.242838] ? find_vma+0x34/0x190 [ 680.246386] __do_page_fault+0x5e8/0xe60 [ 680.250453] ? trace_hardirqs_off+0xb8/0x310 [ 680.254874] do_page_fault+0xf2/0x7e0 [ 680.258676] ? vmalloc_sync_all+0x30/0x30 [ 680.262886] ? error_entry+0x70/0xd0 [ 680.266601] ? trace_hardirqs_off_caller+0xbb/0x310 [ 680.271616] ? trace_hardirqs_on_caller+0xc0/0x310 [ 680.276548] ? syscall_return_slowpath+0x5e0/0x5e0 [ 680.281480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 680.286322] ? trace_hardirqs_on_caller+0x310/0x310 [ 680.291339] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 680.296799] ? prepare_exit_to_usermode+0x291/0x3b0 [ 680.301819] ? page_fault+0x8/0x30 [ 680.305367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 680.310225] ? page_fault+0x8/0x30 [ 680.313773] page_fault+0x1e/0x30 [ 680.317225] RIP: 0033:0x40f9c0 [ 680.320461] Code: Bad RIP value. [ 680.323823] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 680.329186] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 680.336455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 680.343727] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 680.350993] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 680.358260] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 680.365561] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 680.365623] aoe: skb alloc failure [ 680.372838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 680.372843] Call Trace: [ 680.372851] [ 680.372874] dump_stack+0x244/0x39d [ 680.372894] ? dump_stack_print_info.cold.1+0x20/0x20 [ 680.376479] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 680.385788] warn_alloc.cold.116+0xb7/0x1bd [ 680.388349] syz-fuzzer cpuset=/ mems_allowed=0 [ 680.390492] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 680.423305] ? lock_downgrade+0x900/0x900 [ 680.427484] ? trace_hardirqs_off+0xb8/0x310 [ 680.431917] ? trace_hardirqs_off+0xb8/0x310 [ 680.436334] __alloc_pages_slowpath+0x26e8/0x2e10 [ 680.441218] ? warn_alloc+0x120/0x120 [ 680.445021] ? print_usage_bug+0xc0/0xc0 [ 680.449082] ? warn_alloc+0x120/0x120 [ 680.452889] ? warn_alloc+0x120/0x120 [ 680.456695] ? kasan_check_read+0x11/0x20 [ 680.460843] ? print_usage_bug+0xc0/0xc0 [ 680.464905] ? trace_hardirqs_on+0x310/0x310 [ 680.469317] ? print_usage_bug+0xc0/0xc0 [ 680.473379] ? __lock_acquire+0x62f/0x4c20 [ 680.477615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.483157] ? check_preemption_disabled+0x48/0x280 [ 680.488262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 680.493798] ? should_fail+0x22d/0xd01 [ 680.497698] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 680.502802] ? __lock_acquire+0x62f/0x4c20 [ 680.507046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 680.512147] ? __lock_acquire+0x62f/0x4c20 [ 680.516377] ? should_fail+0x22d/0xd01 [ 680.520261] ? zap_class+0x640/0x640 [ 680.523983] ? mark_held_locks+0x130/0x130 [ 680.528225] ? mark_held_locks+0x130/0x130 [ 680.532470] ? zap_class+0x640/0x640 [ 680.536184] ? print_usage_bug+0xc0/0xc0 [ 680.540259] ? clockevents_program_event+0x158/0x370 [ 680.545364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.550905] ? check_preemption_disabled+0x48/0x280 [ 680.555932] ? __lock_is_held+0xb5/0x140 [ 680.559999] __alloc_pages_nodemask+0xa80/0xde0 [ 680.564672] ? zap_class+0x640/0x640 [ 680.568396] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 680.573442] ? find_held_lock+0x36/0x1c0 [ 680.577516] ? ____cache_alloc_node+0x1c7/0x1e0 [ 680.582186] ? lock_downgrade+0x900/0x900 [ 680.586346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.591890] cache_grow_begin+0xa5/0x8c0 [ 680.595952] ? do_raw_spin_unlock+0xa7/0x330 [ 680.600367] fallback_alloc+0x204/0x2e0 [ 680.604367] ____cache_alloc_node+0x1c7/0x1e0 [ 680.608873] kmem_cache_alloc_node+0xe3/0x730 [ 680.613368] ? ipv6_get_ifaddr+0x42e/0x620 [ 680.617615] __alloc_skb+0x119/0x770 [ 680.621340] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 680.626654] ? netdev_alloc_frag+0x1f0/0x1f0 [ 680.631077] ? lock_downgrade+0x900/0x900 [ 680.635234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.640788] ? refcount_sub_and_test_checked+0x203/0x310 [ 680.646244] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 680.651733] ? addrconf_rs_timer+0x690/0x690 [ 680.656156] ndisc_alloc_skb+0x144/0x340 [ 680.660227] ndisc_send_rs+0x331/0x6e0 [ 680.664120] addrconf_rs_timer+0x314/0x690 [ 680.668394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.672647] call_timer_fn+0x272/0x920 [ 680.676542] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.680777] ? process_timeout+0x40/0x40 [ 680.684846] ? __run_timers+0x7da/0xc70 [ 680.688855] ? _raw_spin_unlock_irq+0x27/0x80 [ 680.693347] ? _raw_spin_unlock_irq+0x27/0x80 [ 680.697840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.702078] ? lockdep_hardirqs_on+0x296/0x5b0 [ 680.706662] ? trace_hardirqs_on+0xbd/0x310 [ 680.710986] ? kasan_check_read+0x11/0x20 [ 680.715133] ? __run_timers+0x7da/0xc70 [ 680.719110] ? trace_hardirqs_off_caller+0x310/0x310 [ 680.724223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.728467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 680.732702] __run_timers+0x7e5/0xc70 [ 680.736534] ? timer_fixup_init+0x70/0x70 [ 680.740689] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 680.745714] ? zap_class+0x640/0x640 [ 680.749441] ? enqueue_hrtimer+0x1a5/0x560 [ 680.753683] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 680.758881] ? find_held_lock+0x36/0x1c0 [ 680.762950] ? zap_class+0x640/0x640 [ 680.766668] ? pvclock_read_flags+0x160/0x160 [ 680.771174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.776716] ? check_preemption_disabled+0x48/0x280 [ 680.781751] ? __lock_is_held+0xb5/0x140 [ 680.785816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.791378] ? check_preemption_disabled+0x48/0x280 [ 680.796442] run_timer_softirq+0x52/0xb0 [ 680.800537] ? rcu_read_lock_sched_held+0x14f/0x180 [ 680.805556] __do_softirq+0x308/0xb7e [ 680.809375] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 680.813873] ? lock_downgrade+0x900/0x900 [ 680.818024] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 680.823138] ? pvclock_read_flags+0x160/0x160 [ 680.827637] ? lapic_next_event+0x5a/0x90 [ 680.831794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.837366] ? kvm_clock_read+0x18/0x30 [ 680.841339] ? kvm_sched_clock_read+0x9/0x20 [ 680.845754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.851302] ? check_preemption_disabled+0x48/0x280 [ 680.856345] irq_exit+0x17f/0x1c0 [ 680.859804] smp_apic_timer_interrupt+0x1cb/0x760 [ 680.864645] ? smp_reschedule_interrupt+0x109/0x650 [ 680.869668] ? smp_call_function_single_interrupt+0x650/0x650 [ 680.875579] ? interrupt_entry+0xb5/0xc0 [ 680.879649] ? trace_hardirqs_off_caller+0xbb/0x310 [ 680.884688] ? trace_hardirqs_off_caller+0xbb/0x310 [ 680.889716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 680.894562] ? trace_hardirqs_on_caller+0x310/0x310 [ 680.899583] ? trace_hardirqs_on_caller+0x310/0x310 [ 680.904613] ? task_prio+0x50/0x50 [ 680.908157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.913704] ? check_preemption_disabled+0x48/0x280 [ 680.918730] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 680.923582] apic_timer_interrupt+0xf/0x20 [ 680.927812] [ 680.930057] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 680.935008] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 680.953927] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 680.961643] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 680.968919] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 680.976389] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 680.983666] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 680.990939] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 680.998261] skb_clone+0x1bb/0x500 [ 681.001805] ? finish_task_switch+0x1b4/0x910 [ 681.006306] ? skb_split+0x11e0/0x11e0 [ 681.010201] ? preempt_notifier_register+0x200/0x200 [ 681.015304] ? __switch_to_asm+0x34/0x70 [ 681.019363] ? __switch_to_asm+0x34/0x70 [ 681.023427] ? __switch_to_asm+0x40/0x70 [ 681.027491] ? __switch_to_asm+0x34/0x70 [ 681.031548] ? __switch_to_asm+0x40/0x70 [ 681.035603] ? __switch_to_asm+0x34/0x70 [ 681.039663] ? __switch_to_asm+0x40/0x70 [ 681.043726] ? __switch_to_asm+0x34/0x70 [ 681.047786] ? __switch_to_asm+0x34/0x70 [ 681.051843] ? __switch_to_asm+0x40/0x70 [ 681.055901] ? __switch_to_asm+0x34/0x70 [ 681.059973] bpf_clone_redirect+0xb9/0x490 [ 681.064216] ? __schedule+0x8d7/0x21d0 [ 681.068109] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 681.073129] ? __sched_text_start+0x8/0x8 [ 681.077282] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 681.081868] ? retint_kernel+0x2d/0x2d [ 681.085756] ? trace_hardirqs_on_caller+0xc0/0x310 [ 681.090695] ? find_held_lock+0x36/0x1c0 [ 681.094764] ? lock_acquire+0x1ed/0x520 [ 681.098741] ? bpf_test_run+0x3cb/0x780 [ 681.102718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.108261] ? check_preemption_disabled+0x48/0x280 [ 681.113286] ? kasan_check_read+0x11/0x20 [ 681.117450] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 681.122728] ? rcu_softirq_qs+0x20/0x20 [ 681.126714] ? preempt_schedule+0x4d/0x60 [ 681.130862] ? ___preempt_schedule+0x16/0x18 [ 681.135281] ? bpf_test_run+0x25d/0x780 [ 681.139269] ? netlink_diag_dump+0x2a0/0x2a0 [ 681.143691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.149229] ? bpf_test_init.isra.10+0x70/0x100 [ 681.153908] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 681.158689] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 681.163533] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 681.169072] ? fput+0x130/0x1a0 [ 681.172353] ? __bpf_prog_get+0x9b/0x290 [ 681.176425] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 681.181271] ? bpf_prog_test_run+0x130/0x1a0 [ 681.185688] ? __x64_sys_bpf+0x3d8/0x520 [ 681.189749] ? bpf_prog_get+0x20/0x20 [ 681.193576] ? do_syscall_64+0x1b9/0x820 [ 681.197638] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 681.203003] ? syscall_return_slowpath+0x5e0/0x5e0 [ 681.207937] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 681.212782] ? trace_hardirqs_on_caller+0x310/0x310 [ 681.217799] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 681.222822] ? prepare_exit_to_usermode+0x291/0x3b0 [ 681.227845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 681.232706] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 681.238093] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 681.238099] warn_alloc_show_mem: 1 callbacks suppressed [ 681.238106] Mem-Info: [ 681.245120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 681.250490] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 681.250490] active_file:14 inactive_file:14 isolated_file:0 [ 681.250490] unevictable:0 dirty:0 writeback:0 unstable:0 [ 681.250490] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 681.250490] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 681.250490] free:13772 free_pcp:380 free_cma:0 [ 681.252859] Call Trace: [ 681.262262] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 681.295377] [ 681.297955] 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 [ 681.325807] dump_stack+0x244/0x39d [ 681.327929] lowmem_reserve[]: 0 2818 6321 6321 [ 681.354061] ? dump_stack_print_info.cold.1+0x20/0x20 [ 681.357664] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 681.362246] warn_alloc.cold.116+0xb7/0x1bd [ 681.367401] lowmem_reserve[]: 0 0 3503 3503 [ 681.394919] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 681.399218] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 681.403541] ? lock_downgrade+0x900/0x900 [ 681.408359] lowmem_reserve[]: 0 0 0 0 [ 681.437521] ? trace_hardirqs_off+0xb8/0x310 [ 681.441645] 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 [ 681.445446] ? trace_hardirqs_off+0xb8/0x310 [ 681.449826] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 681.463352] __alloc_pages_slowpath+0x26e8/0x2e10 [ 681.467728] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 681.483015] ? warn_alloc+0x120/0x120 [ 681.487816] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 681.502204] ? warn_alloc+0x120/0x120 [ 681.505976] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 681.514806] ? warn_alloc+0x120/0x120 [ 681.518581] 12557 total pagecache pages [ 681.527154] ? print_usage_bug+0xc0/0xc0 [ 681.530933] 0 pages in swap cache [ 681.534925] ? print_usage_bug+0xc0/0xc0 [ 681.538980] Swap cache stats: add 0, delete 0, find 0/0 [ 681.542435] ? ktime_get+0x2c1/0x400 [ 681.546467] Free swap = 0kB [ 681.551828] ? check_preemption_disabled+0x48/0x280 [ 681.555515] Total swap = 0kB [ 681.558526] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 681.563520] 1965979 pages RAM [ 681.566535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.570999] 0 pages HighMem/MovableOnly [ 681.574097] ? should_fail+0x22d/0xd01 [ 681.579611] 342853 pages reserved [ 681.583577] ? kasan_check_read+0x11/0x20 [ 681.587454] 0 pages cma reserved [ 681.590902] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 681.595089] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 681.598398] ? __lock_acquire+0x62f/0x4c20 [ 681.598441] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 681.598457] ? should_fail+0x22d/0xd01 [ 681.603604] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 681.610025] ? print_usage_bug+0xc0/0xc0 [ 681.614235] syz-executor1 cpuset=syz1 mems_allowed=0 [ 681.619334] ? mark_held_locks+0x130/0x130 [ 681.647029] ? mark_held_locks+0x130/0x130 [ 681.651269] ? check_preemption_disabled+0x48/0x280 [ 681.656300] ? zap_class+0x640/0x640 [ 681.660037] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 681.664799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.670354] ? check_preemption_disabled+0x48/0x280 [ 681.675386] ? __lock_is_held+0xb5/0x140 [ 681.679465] __alloc_pages_nodemask+0xa80/0xde0 [ 681.684137] ? zap_class+0x640/0x640 [ 681.687858] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 681.692888] ? find_held_lock+0x36/0x1c0 [ 681.696960] ? ____cache_alloc_node+0x1c7/0x1e0 [ 681.701631] ? lock_downgrade+0x900/0x900 [ 681.705793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.711342] cache_grow_begin+0xa5/0x8c0 [ 681.715404] ? do_raw_spin_unlock+0xa7/0x330 [ 681.719836] fallback_alloc+0x204/0x2e0 [ 681.723822] ____cache_alloc_node+0x1c7/0x1e0 [ 681.728326] kmem_cache_alloc_node+0xe3/0x730 [ 681.732828] ? lockdep_hardirqs_on+0x296/0x5b0 [ 681.737430] __alloc_skb+0x119/0x770 [ 681.741142] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 681.746517] ? netdev_alloc_frag+0x1f0/0x1f0 [ 681.750933] ? vprintk_default+0x28/0x30 [ 681.754998] ? vprintk_func+0x85/0x181 [ 681.758889] ? printk+0xa7/0xcf [ 681.762171] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 681.766943] new_skb+0x26/0x1c0 [ 681.770226] aoecmd_cfg+0x279/0x7f0 [ 681.773862] ? find_held_lock+0x36/0x1c0 [ 681.777927] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 681.782256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.787806] ? __lock_is_held+0xb5/0x140 [ 681.791881] discover_timer+0x50/0x60 [ 681.795685] call_timer_fn+0x272/0x920 [ 681.799579] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 681.804429] ? process_timeout+0x40/0x40 [ 681.808501] ? mark_held_locks+0xc7/0x130 [ 681.812654] ? _raw_spin_unlock_irq+0x27/0x80 [ 681.817149] ? _raw_spin_unlock_irq+0x27/0x80 [ 681.821651] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 681.826498] ? lockdep_hardirqs_on+0x296/0x5b0 [ 681.831084] ? trace_hardirqs_on+0xbd/0x310 [ 681.835405] ? kasan_check_read+0x11/0x20 [ 681.839562] ? __run_timers+0x7da/0xc70 [ 681.843538] ? trace_hardirqs_off_caller+0x310/0x310 [ 681.848661] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 681.853502] __run_timers+0x7e5/0xc70 [ 681.857316] ? timer_fixup_init+0x70/0x70 [ 681.861481] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 681.866514] ? zap_class+0x640/0x640 [ 681.870236] ? print_usage_bug+0xc0/0xc0 [ 681.874301] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 681.879502] ? find_held_lock+0x36/0x1c0 [ 681.883572] ? zap_class+0x640/0x640 [ 681.887296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.892838] ? check_preemption_disabled+0x48/0x280 [ 681.897867] ? __lock_is_held+0xb5/0x140 [ 681.901934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.907482] ? check_preemption_disabled+0x48/0x280 [ 681.912507] run_timer_softirq+0x52/0xb0 [ 681.916573] ? rcu_read_lock_sched_held+0x14f/0x180 [ 681.921592] __do_softirq+0x308/0xb7e [ 681.925411] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 681.929916] ? lock_downgrade+0x900/0x900 [ 681.934071] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 681.939192] ? pvclock_read_flags+0x160/0x160 [ 681.943692] ? lapic_next_event+0x5a/0x90 [ 681.947845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.953392] ? kvm_clock_read+0x18/0x30 [ 681.957374] ? kvm_sched_clock_read+0x9/0x20 [ 681.961795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.967352] ? check_preemption_disabled+0x48/0x280 [ 681.972406] irq_exit+0x17f/0x1c0 [ 681.975872] smp_apic_timer_interrupt+0x1cb/0x760 [ 681.980728] ? smp_reschedule_interrupt+0x109/0x650 [ 681.985750] ? smp_call_function_single_interrupt+0x650/0x650 [ 681.991637] ? interrupt_entry+0xb5/0xc0 [ 681.995707] ? trace_hardirqs_off_caller+0xbb/0x310 [ 682.000729] ? trace_hardirqs_off_caller+0xbb/0x310 [ 682.005752] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.010602] ? trace_hardirqs_on_caller+0x310/0x310 [ 682.015617] ? trace_hardirqs_on_caller+0x310/0x310 [ 682.020634] ? task_prio+0x50/0x50 [ 682.024208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.029750] ? check_preemption_disabled+0x48/0x280 [ 682.034774] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.039627] apic_timer_interrupt+0xf/0x20 [ 682.043859] [ 682.046103] RIP: 0010:dump_stack+0x20e/0x39d [ 682.050517] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 682.069459] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 682.077175] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 682.084452] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 682.091720] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 682.098989] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 682.106769] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 682.114065] ? dump_stack+0x205/0x39d [ 682.117896] ? dump_stack_print_info.cold.1+0x20/0x20 [ 682.123098] ? mark_held_locks+0x130/0x130 [ 682.127332] ? mark_held_locks+0x130/0x130 [ 682.131576] dump_header+0x27b/0xf72 [ 682.135305] ? pagefault_out_of_memory+0x197/0x197 [ 682.140245] ? __lock_acquire+0x62f/0x4c20 [ 682.144483] ? percpu_ref_get_many+0x240/0x240 [ 682.149070] ? print_usage_bug+0xc0/0xc0 [ 682.153146] ? zap_class+0x640/0x640 [ 682.156867] ? print_usage_bug+0xc0/0xc0 [ 682.160928] ? print_usage_bug+0xc0/0xc0 [ 682.164993] ? zap_class+0x640/0x640 [ 682.168715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.174261] ? find_held_lock+0x36/0x1c0 [ 682.178337] ? mark_held_locks+0xc7/0x130 [ 682.182494] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 682.187598] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 682.192705] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 682.197293] ? trace_hardirqs_on+0xbd/0x310 [ 682.201615] ? kasan_check_read+0x11/0x20 [ 682.205768] ? ___ratelimit+0x3b4/0x672 [ 682.209747] ? trace_hardirqs_off_caller+0x310/0x310 [ 682.214856] ? trace_hardirqs_on+0x310/0x310 [ 682.219266] ? lock_downgrade+0x900/0x900 [ 682.223428] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 682.228540] ? ___ratelimit+0x3b9/0x672 [ 682.232520] ? idr_get_free+0xf70/0xf70 [ 682.236502] ? find_held_lock+0x36/0x1c0 [ 682.240577] oom_kill_process.cold.27+0x10/0x903 [ 682.245335] ? zap_class+0x640/0x640 [ 682.249051] ? check_preemption_disabled+0x48/0x280 [ 682.254081] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 682.259013] ? kasan_check_read+0x11/0x20 [ 682.263173] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 682.268469] ? oom_evaluate_task+0x540/0x540 [ 682.272893] ? find_held_lock+0x36/0x1c0 [ 682.276966] ? out_of_memory+0x974/0x1430 [ 682.281117] ? lock_downgrade+0x900/0x900 [ 682.285266] ? check_preemption_disabled+0x48/0x280 [ 682.290288] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 682.295221] ? kasan_check_read+0x11/0x20 [ 682.299368] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 682.304651] ? rcu_softirq_qs+0x20/0x20 [ 682.308636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.314185] ? oom_evaluate_task+0x302/0x540 [ 682.318599] out_of_memory+0xa84/0x1430 [ 682.322583] ? oom_killer_disable+0x3a0/0x3a0 [ 682.327083] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 682.332017] ? __ww_mutex_check_waiters+0x160/0x160 [ 682.337047] __alloc_pages_slowpath+0x2354/0x2e10 [ 682.341921] ? warn_alloc+0x120/0x120 [ 682.345723] ? mark_held_locks+0x130/0x130 [ 682.349965] ? find_get_entry+0xaae/0x1120 [ 682.354214] ? filemap_map_pages+0x1a20/0x1a20 [ 682.358814] ? zap_class+0x640/0x640 [ 682.362537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.368078] ? check_preemption_disabled+0x48/0x280 [ 682.373102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.378643] ? should_fail+0x22d/0xd01 [ 682.382537] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 682.387649] ? zap_class+0x640/0x640 [ 682.391394] ? __lock_is_held+0xb5/0x140 [ 682.395472] ? mark_held_locks+0x130/0x130 [ 682.399712] ? lock_release+0xa00/0xa00 [ 682.403689] ? perf_trace_sched_process_exec+0x860/0x860 [ 682.409142] ? xa_load+0x2ba/0x460 [ 682.412691] ? lock_downgrade+0x900/0x900 [ 682.416849] ? __might_sleep+0x95/0x190 [ 682.420830] __alloc_pages_nodemask+0xa80/0xde0 [ 682.425510] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 682.430529] ? __page_cache_alloc+0x191/0x5c0 [ 682.435026] ? xa_load+0x2e1/0x460 [ 682.438569] ? xa_clear_mark+0x40/0x40 [ 682.442462] ? zap_class+0x640/0x640 [ 682.446192] ? zap_class+0x640/0x640 [ 682.449906] ? zap_class+0x640/0x640 [ 682.453623] ? __do_page_cache_readahead+0x663/0x810 [ 682.458737] ? find_held_lock+0x36/0x1c0 [ 682.462807] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 682.468355] alloc_pages_current+0x173/0x350 [ 682.472787] __page_cache_alloc+0x38c/0x5c0 [ 682.477125] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 682.482054] ? kasan_check_read+0x11/0x20 [ 682.486211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 682.491496] ? generic_perform_write+0x6a0/0x6a0 [ 682.496259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.501802] ? check_preemption_disabled+0x48/0x280 [ 682.506831] filemap_fault+0x1595/0x25f0 [ 682.510908] ? __lock_page_or_retry+0xa00/0xa00 [ 682.515581] ? mark_held_locks+0x130/0x130 [ 682.519826] ? filemap_map_pages+0xd6b/0x1a20 [ 682.524328] ? lock_downgrade+0x900/0x900 [ 682.528483] ? check_preemption_disabled+0x48/0x280 [ 682.533505] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 682.538443] ? kasan_check_read+0x11/0x20 [ 682.542595] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 682.547872] ? rcu_softirq_qs+0x20/0x20 [ 682.551861] ? filemap_map_pages+0xd92/0x1a20 [ 682.556376] ? find_get_entries_tag+0x1400/0x1400 [ 682.561224] ? debug_object_destroy+0x2b0/0x2b0 [ 682.566160] ? lock_pi_update_atomic+0x150/0x150 [ 682.570921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.576478] ? lock_acquire+0x1ed/0x520 [ 682.580464] ? ext4_filemap_fault+0x7a/0xad [ 682.584801] ? lock_release+0xa00/0xa00 [ 682.588774] ? perf_trace_sched_process_exec+0x860/0x860 [ 682.594230] ? print_usage_bug+0xc0/0xc0 [ 682.598293] ? print_usage_bug+0xc0/0xc0 [ 682.602370] ? down_read+0x8d/0x120 [ 682.605996] ? ext4_filemap_fault+0x7a/0xad [ 682.610322] ? __down_interruptible+0x700/0x700 [ 682.615007] ext4_filemap_fault+0x82/0xad [ 682.619163] __do_fault+0x100/0x6b0 [ 682.622796] ? find_held_lock+0x36/0x1c0 [ 682.626876] ? pmd_devmap_trans_unstable+0x220/0x220 [ 682.631986] ? mark_held_locks+0x130/0x130 [ 682.636227] ? mark_held_locks+0x130/0x130 [ 682.640470] ? debug_smp_processor_id+0x1c/0x20 [ 682.645142] ? perf_trace_lock+0x14d/0x7a0 [ 682.649429] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 682.654019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.659568] __handle_mm_fault+0x3ea0/0x5be0 [ 682.663987] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 682.668832] ? lock_is_held_type+0x210/0x210 [ 682.673251] ? preempt_notifier_register+0x200/0x200 [ 682.678357] ? __switch_to_asm+0x34/0x70 [ 682.682430] ? __switch_to_asm+0x34/0x70 [ 682.686513] ? zap_class+0x640/0x640 [ 682.690230] ? zap_class+0x640/0x640 [ 682.693946] ? __x64_sys_futex+0x53e/0x6a0 [ 682.698201] ? find_held_lock+0x36/0x1c0 [ 682.702295] ? handle_mm_fault+0x42a/0xc70 [ 682.706533] ? lock_downgrade+0x900/0x900 [ 682.710683] ? check_preemption_disabled+0x48/0x280 [ 682.715710] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 682.720639] ? kasan_check_read+0x11/0x20 [ 682.724787] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 682.730066] ? rcu_softirq_qs+0x20/0x20 [ 682.734043] ? trace_hardirqs_off_caller+0x310/0x310 [ 682.739167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.744747] ? check_preemption_disabled+0x48/0x280 [ 682.749777] handle_mm_fault+0x54f/0xc70 [ 682.753862] ? __handle_mm_fault+0x5be0/0x5be0 [ 682.758462] ? find_vma+0x34/0x190 [ 682.762012] __do_page_fault+0x5e8/0xe60 [ 682.766072] ? trace_hardirqs_off+0xb8/0x310 [ 682.770493] do_page_fault+0xf2/0x7e0 [ 682.774296] ? vmalloc_sync_all+0x30/0x30 [ 682.778452] ? error_entry+0x70/0xd0 [ 682.782168] ? trace_hardirqs_off_caller+0xbb/0x310 [ 682.787192] ? trace_hardirqs_on_caller+0xc0/0x310 [ 682.792121] ? syscall_return_slowpath+0x5e0/0x5e0 [ 682.797048] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.801894] ? trace_hardirqs_on_caller+0x310/0x310 [ 682.806916] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 682.812375] ? prepare_exit_to_usermode+0x291/0x3b0 [ 682.817392] ? page_fault+0x8/0x30 [ 682.820947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 682.825792] ? page_fault+0x8/0x30 [ 682.829337] page_fault+0x1e/0x30 [ 682.832792] RIP: 0033:0x40f9c0 [ 682.835995] Code: Bad RIP value. [ 682.839359] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 682.844720] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 682.851991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 682.859256] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 682.866532] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 682.873803] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 682.881101] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 682.881165] aoe: skb alloc failure [ 682.888874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 682.888880] Call Trace: [ 682.888887] [ 682.888910] dump_stack+0x244/0x39d [ 682.888929] ? dump_stack_print_info.cold.1+0x20/0x20 [ 682.892922] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 682.901811] warn_alloc.cold.116+0xb7/0x1bd [ 682.904365] syz-fuzzer cpuset=/ mems_allowed=0 [ 682.906510] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 682.939206] ? lock_downgrade+0x900/0x900 [ 682.943377] ? trace_hardirqs_off+0xb8/0x310 [ 682.947832] ? trace_hardirqs_off+0xb8/0x310 [ 682.952255] __alloc_pages_slowpath+0x26e8/0x2e10 [ 682.957123] ? warn_alloc+0x120/0x120 [ 682.960940] ? print_usage_bug+0xc0/0xc0 [ 682.965006] ? warn_alloc+0x120/0x120 [ 682.968811] ? warn_alloc+0x120/0x120 [ 682.972610] ? print_usage_bug+0xc0/0xc0 [ 682.976929] ? print_usage_bug+0xc0/0xc0 [ 682.980996] ? __lock_acquire+0x62f/0x4c20 [ 682.985243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.990781] ? should_fail+0x22d/0xd01 [ 682.994674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 682.999782] ? __lock_acquire+0x62f/0x4c20 [ 683.004024] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 683.009124] ? __lock_acquire+0x62f/0x4c20 [ 683.013356] ? should_fail+0x22d/0xd01 [ 683.017244] ? find_held_lock+0x36/0x1c0 [ 683.021313] ? mark_held_locks+0x130/0x130 [ 683.025558] ? mark_held_locks+0x130/0x130 [ 683.029791] ? zap_class+0x640/0x640 [ 683.033504] ? zap_class+0x640/0x640 [ 683.037228] ? print_usage_bug+0xc0/0xc0 [ 683.041285] ? do_raw_spin_unlock+0xa7/0x330 [ 683.045698] ? zap_class+0x640/0x640 [ 683.049425] ? print_usage_bug+0xc0/0xc0 [ 683.053486] ? wq_watchdog_touch+0x9c/0xfe [ 683.057741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.063297] ? check_preemption_disabled+0x48/0x280 [ 683.068414] ? __lock_is_held+0xb5/0x140 [ 683.072495] __alloc_pages_nodemask+0xa80/0xde0 [ 683.077173] ? zap_class+0x640/0x640 [ 683.080939] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 683.085967] ? find_held_lock+0x36/0x1c0 [ 683.090041] ? ____cache_alloc_node+0x1c7/0x1e0 [ 683.094718] ? lock_downgrade+0x900/0x900 [ 683.098875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.104424] cache_grow_begin+0xa5/0x8c0 [ 683.108504] ? do_raw_spin_unlock+0xa7/0x330 [ 683.112920] fallback_alloc+0x204/0x2e0 [ 683.116908] ____cache_alloc_node+0x1c7/0x1e0 [ 683.121410] kmem_cache_alloc_node+0xe3/0x730 [ 683.125945] ? ipv6_get_ifaddr+0x42e/0x620 [ 683.130970] __alloc_skb+0x119/0x770 [ 683.134713] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 683.140039] ? netdev_alloc_frag+0x1f0/0x1f0 [ 683.144458] ? lock_downgrade+0x900/0x900 [ 683.148634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.154173] ? refcount_sub_and_test_checked+0x203/0x310 [ 683.159645] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 683.165105] ? addrconf_rs_timer+0x690/0x690 [ 683.169526] ndisc_alloc_skb+0x144/0x340 [ 683.173598] ndisc_send_rs+0x331/0x6e0 [ 683.177495] addrconf_rs_timer+0x314/0x690 [ 683.181739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 683.185988] call_timer_fn+0x272/0x920 [ 683.189881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 683.194114] ? process_timeout+0x40/0x40 [ 683.198188] ? __run_timers+0x7da/0xc70 [ 683.202180] ? _raw_spin_unlock_irq+0x27/0x80 [ 683.206673] ? _raw_spin_unlock_irq+0x27/0x80 [ 683.211176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 683.215414] ? lockdep_hardirqs_on+0x296/0x5b0 [ 683.220008] ? trace_hardirqs_on+0xbd/0x310 [ 683.224331] ? kasan_check_read+0x11/0x20 [ 683.228476] ? __run_timers+0x7da/0xc70 [ 683.232460] ? trace_hardirqs_off_caller+0x310/0x310 [ 683.237575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 683.241806] __run_timers+0x7e5/0xc70 [ 683.245618] ? timer_fixup_init+0x70/0x70 [ 683.249768] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 683.254789] ? zap_class+0x640/0x640 [ 683.258506] ? enqueue_hrtimer+0x1a5/0x560 [ 683.262746] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 683.267948] ? find_held_lock+0x36/0x1c0 [ 683.272014] ? zap_class+0x640/0x640 [ 683.275737] ? pvclock_read_flags+0x160/0x160 [ 683.280239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.285782] ? check_preemption_disabled+0x48/0x280 [ 683.290808] ? __lock_is_held+0xb5/0x140 [ 683.294871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.300413] ? check_preemption_disabled+0x48/0x280 [ 683.305452] run_timer_softirq+0x52/0xb0 [ 683.309517] ? rcu_read_lock_sched_held+0x14f/0x180 [ 683.314535] __do_softirq+0x308/0xb7e [ 683.318341] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 683.322842] ? lock_downgrade+0x900/0x900 [ 683.326997] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 683.332114] ? pvclock_read_flags+0x160/0x160 [ 683.336616] ? lapic_next_event+0x5a/0x90 [ 683.340767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.346317] ? kvm_clock_read+0x18/0x30 [ 683.350306] ? kvm_sched_clock_read+0x9/0x20 [ 683.354718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.360259] ? check_preemption_disabled+0x48/0x280 [ 683.365285] irq_exit+0x17f/0x1c0 [ 683.368742] smp_apic_timer_interrupt+0x1cb/0x760 [ 683.373583] ? smp_reschedule_interrupt+0x109/0x650 [ 683.378599] ? smp_call_function_single_interrupt+0x650/0x650 [ 683.384488] ? interrupt_entry+0xb5/0xc0 [ 683.388555] ? trace_hardirqs_off_caller+0xbb/0x310 [ 683.393572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 683.398594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 683.403449] ? trace_hardirqs_on_caller+0x310/0x310 [ 683.408471] ? trace_hardirqs_on_caller+0x310/0x310 [ 683.413502] ? task_prio+0x50/0x50 [ 683.417050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.422593] ? check_preemption_disabled+0x48/0x280 [ 683.427624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 683.432481] apic_timer_interrupt+0xf/0x20 [ 683.436711] [ 683.438952] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 683.443886] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 683.462811] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 683.470518] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 683.477785] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 683.485054] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 683.492319] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 683.499584] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 683.506901] skb_clone+0x1bb/0x500 [ 683.510454] ? finish_task_switch+0x1b4/0x910 [ 683.514951] ? skb_split+0x11e0/0x11e0 [ 683.518842] ? preempt_notifier_register+0x200/0x200 [ 683.523946] ? __switch_to_asm+0x34/0x70 [ 683.528006] ? __switch_to_asm+0x34/0x70 [ 683.532063] ? __switch_to_asm+0x40/0x70 [ 683.536122] ? __switch_to_asm+0x34/0x70 [ 683.540181] ? __switch_to_asm+0x40/0x70 [ 683.544242] ? __switch_to_asm+0x34/0x70 [ 683.548301] ? __switch_to_asm+0x40/0x70 [ 683.552364] ? __switch_to_asm+0x34/0x70 [ 683.556437] ? __switch_to_asm+0x34/0x70 [ 683.560495] ? __switch_to_asm+0x40/0x70 [ 683.564552] ? __switch_to_asm+0x34/0x70 [ 683.568618] bpf_clone_redirect+0xb9/0x490 [ 683.572855] ? __schedule+0x8d7/0x21d0 [ 683.576749] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 683.581771] ? __sched_text_start+0x8/0x8 [ 683.585925] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 683.590510] ? retint_kernel+0x2d/0x2d [ 683.594397] ? trace_hardirqs_on_caller+0xc0/0x310 [ 683.599342] ? find_held_lock+0x36/0x1c0 [ 683.603412] ? lock_acquire+0x1ed/0x520 [ 683.607404] ? bpf_test_run+0x3cb/0x780 [ 683.611391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.616941] ? check_preemption_disabled+0x48/0x280 [ 683.621972] ? kasan_check_read+0x11/0x20 [ 683.626122] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 683.631409] ? rcu_softirq_qs+0x20/0x20 [ 683.635400] ? preempt_schedule+0x4d/0x60 [ 683.639565] ? ___preempt_schedule+0x16/0x18 [ 683.643988] ? bpf_test_run+0x25d/0x780 [ 683.647981] ? netlink_diag_dump+0x2a0/0x2a0 [ 683.652396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 683.657946] ? bpf_test_init.isra.10+0x70/0x100 [ 683.662626] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 683.667398] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 683.672253] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 683.677803] ? fput+0x130/0x1a0 [ 683.681084] ? __bpf_prog_get+0x9b/0x290 [ 683.685150] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 683.689994] ? bpf_prog_test_run+0x130/0x1a0 [ 683.694406] ? __x64_sys_bpf+0x3d8/0x520 [ 683.698487] ? bpf_prog_get+0x20/0x20 [ 683.702314] ? do_syscall_64+0x1b9/0x820 [ 683.706374] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 683.711745] ? syscall_return_slowpath+0x5e0/0x5e0 [ 683.716678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 683.721530] ? trace_hardirqs_on_caller+0x310/0x310 [ 683.726548] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 683.731571] ? prepare_exit_to_usermode+0x291/0x3b0 [ 683.736594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 683.741457] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 683.746840] warn_alloc_show_mem: 1 callbacks suppressed [ 683.746853] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 683.746854] Mem-Info: [ 683.746888] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 683.746888] active_file:14 inactive_file:14 isolated_file:0 [ 683.746888] unevictable:0 dirty:0 writeback:0 unstable:0 [ 683.746888] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 683.746888] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 683.746888] free:13772 free_pcp:380 free_cma:0 [ 683.752227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 683.759247] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 683.761644] Call Trace: [ 683.794776] 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 [ 683.804126] [ 683.831977] lowmem_reserve[]: 0 2818 6321 6321 [ 683.834570] dump_stack+0x244/0x39d [ 683.860648] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 683.862816] ? dump_stack_print_info.cold.1+0x20/0x20 [ 683.867363] lowmem_reserve[]: 0 0 3503 3503 [ 683.870998] warn_alloc.cold.116+0xb7/0x1bd [ 683.898467] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 683.903673] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 683.907969] lowmem_reserve[]: 0 0 0 0 [ 683.912291] ? lock_downgrade+0x900/0x900 [ 683.941427] 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 [ 683.946276] ? trace_hardirqs_off+0xb8/0x310 [ 683.950038] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 683.954187] ? trace_hardirqs_off+0xb8/0x310 [ 683.967672] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 683.972088] __alloc_pages_slowpath+0x26e8/0x2e10 [ 683.987516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 683.991938] ? warn_alloc+0x120/0x120 [ 684.006300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 684.011134] ? warn_alloc+0x120/0x120 [ 684.019943] 12557 total pagecache pages [ 684.023738] ? warn_alloc+0x120/0x120 [ 684.032289] 0 pages in swap cache [ 684.036084] ? __bpf_trace_xdp_cpumap_enqueue+0x40/0x40 [ 684.040030] Swap cache stats: add 0, delete 0, find 0/0 [ 684.043820] ? print_usage_bug+0xc0/0xc0 [ 684.047260] Free swap = 0kB [ 684.052618] ? is_bpf_text_address+0xac/0x170 [ 684.057958] Total swap = 0kB [ 684.062015] ? print_usage_bug+0xc0/0xc0 [ 684.065007] 1965979 pages RAM [ 684.069502] ? kasan_check_read+0x11/0x20 [ 684.072490] 0 pages HighMem/MovableOnly [ 684.076631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.079741] 342853 pages reserved [ 684.083878] ? should_fail+0x22d/0xd01 [ 684.087843] 0 pages cma reserved [ 684.093369] ? rcu_softirq_qs+0x20/0x20 [ 684.096874] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 684.100697] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.104139] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 684.108513] ? __lock_acquire+0x62f/0x4c20 [ 684.114982] syz-executor1 cpuset=syz1 mems_allowed=0 [ 684.120080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.144977] ? __lock_acquire+0x62f/0x4c20 [ 684.149215] ? should_fail+0x22d/0xd01 [ 684.153114] ? mark_held_locks+0x130/0x130 [ 684.157374] ? mark_held_locks+0x130/0x130 [ 684.161610] ? try_to_wake_up+0x11c/0x1490 [ 684.165849] ? lock_downgrade+0x900/0x900 [ 684.170000] ? save_stack_trace+0x1a/0x20 [ 684.174155] ? zap_class+0x640/0x640 [ 684.177877] ? print_usage_bug+0xc0/0xc0 [ 684.181940] ? trace_hardirqs_off+0xb8/0x310 [ 684.186353] ? kasan_check_read+0x11/0x20 [ 684.190508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.196049] ? check_preemption_disabled+0x48/0x280 [ 684.201078] ? __lock_is_held+0xb5/0x140 [ 684.205147] __alloc_pages_nodemask+0xa80/0xde0 [ 684.209821] ? zap_class+0x640/0x640 [ 684.213543] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 684.218570] ? find_held_lock+0x36/0x1c0 [ 684.222647] ? ____cache_alloc_node+0x1c7/0x1e0 [ 684.227323] ? lock_downgrade+0x900/0x900 [ 684.231484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.237030] cache_grow_begin+0xa5/0x8c0 [ 684.241096] ? do_raw_spin_unlock+0xa7/0x330 [ 684.245514] fallback_alloc+0x204/0x2e0 [ 684.249502] ____cache_alloc_node+0x1c7/0x1e0 [ 684.254006] kmem_cache_alloc_node+0xe3/0x730 [ 684.258505] ? ipv6_get_ifaddr+0x42e/0x620 [ 684.262757] __alloc_skb+0x119/0x770 [ 684.266478] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 684.271765] ? netdev_alloc_frag+0x1f0/0x1f0 [ 684.276198] ? lock_downgrade+0x900/0x900 [ 684.280358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.285900] ? refcount_sub_and_test_checked+0x203/0x310 [ 684.291397] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 684.296856] ? addrconf_rs_timer+0x690/0x690 [ 684.301287] ndisc_alloc_skb+0x144/0x340 [ 684.305353] ndisc_send_rs+0x331/0x6e0 [ 684.309250] addrconf_rs_timer+0x314/0x690 [ 684.313491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 684.317739] call_timer_fn+0x272/0x920 [ 684.321628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 684.325867] ? process_timeout+0x40/0x40 [ 684.329944] ? mark_held_locks+0xc7/0x130 [ 684.334098] ? _raw_spin_unlock_irq+0x27/0x80 [ 684.338591] ? _raw_spin_unlock_irq+0x27/0x80 [ 684.343084] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 684.347319] ? lockdep_hardirqs_on+0x296/0x5b0 [ 684.351907] ? trace_hardirqs_on+0xbd/0x310 [ 684.356232] ? kasan_check_read+0x11/0x20 [ 684.360381] ? __run_timers+0x7da/0xc70 [ 684.364360] ? trace_hardirqs_off_caller+0x310/0x310 [ 684.369477] ? __queue_work+0x1440/0x1440 [ 684.373635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 684.377869] __run_timers+0x7e5/0xc70 [ 684.381684] ? timer_fixup_init+0x70/0x70 [ 684.385841] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 684.390864] ? zap_class+0x640/0x640 [ 684.394583] ? print_usage_bug+0xc0/0xc0 [ 684.398650] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 684.403851] ? find_held_lock+0x36/0x1c0 [ 684.407922] ? zap_class+0x640/0x640 [ 684.411648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.417194] ? check_preemption_disabled+0x48/0x280 [ 684.422228] ? __lock_is_held+0xb5/0x140 [ 684.426292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.431830] ? check_preemption_disabled+0x48/0x280 [ 684.436856] run_timer_softirq+0x52/0xb0 [ 684.440923] ? rcu_read_lock_sched_held+0x14f/0x180 [ 684.445946] __do_softirq+0x308/0xb7e [ 684.449754] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 684.454250] ? lock_downgrade+0x900/0x900 [ 684.458426] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 684.463539] ? pvclock_read_flags+0x160/0x160 [ 684.468035] ? lapic_next_event+0x5a/0x90 [ 684.472195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.477740] ? kvm_clock_read+0x18/0x30 [ 684.481715] ? kvm_sched_clock_read+0x9/0x20 [ 684.486127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.491668] ? check_preemption_disabled+0x48/0x280 [ 684.496700] irq_exit+0x17f/0x1c0 [ 684.500163] smp_apic_timer_interrupt+0x1cb/0x760 [ 684.505013] ? smp_reschedule_interrupt+0x109/0x650 [ 684.510037] ? smp_call_function_single_interrupt+0x650/0x650 [ 684.515924] ? interrupt_entry+0xb5/0xc0 [ 684.519989] ? trace_hardirqs_off_caller+0xbb/0x310 [ 684.525016] ? trace_hardirqs_off_caller+0xbb/0x310 [ 684.530043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 684.534894] ? trace_hardirqs_on_caller+0x310/0x310 [ 684.539916] ? trace_hardirqs_on_caller+0x310/0x310 [ 684.544951] ? task_prio+0x50/0x50 [ 684.548497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.554043] ? check_preemption_disabled+0x48/0x280 [ 684.559073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 684.563930] apic_timer_interrupt+0xf/0x20 [ 684.568159] [ 684.570403] RIP: 0010:dump_stack+0x20e/0x39d [ 684.574820] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 684.593728] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 684.601450] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 684.608720] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 684.615987] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 684.623257] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 684.630527] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 684.637823] ? dump_stack+0x205/0x39d [ 684.641646] ? dump_stack_print_info.cold.1+0x20/0x20 [ 684.646841] ? mark_held_locks+0x130/0x130 [ 684.651078] ? mark_held_locks+0x130/0x130 [ 684.655319] dump_header+0x27b/0xf72 [ 684.659049] ? pagefault_out_of_memory+0x197/0x197 [ 684.663992] ? __lock_acquire+0x62f/0x4c20 [ 684.668234] ? percpu_ref_get_many+0x240/0x240 [ 684.672823] ? print_usage_bug+0xc0/0xc0 [ 684.676895] ? zap_class+0x640/0x640 [ 684.680615] ? print_usage_bug+0xc0/0xc0 [ 684.684680] ? print_usage_bug+0xc0/0xc0 [ 684.688747] ? zap_class+0x640/0x640 [ 684.692466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.698012] ? find_held_lock+0x36/0x1c0 [ 684.702082] ? mark_held_locks+0xc7/0x130 [ 684.706239] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 684.711342] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 684.716455] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 684.721043] ? trace_hardirqs_on+0xbd/0x310 [ 684.725367] ? kasan_check_read+0x11/0x20 [ 684.729519] ? ___ratelimit+0x3b4/0x672 [ 684.733495] ? trace_hardirqs_off_caller+0x310/0x310 [ 684.738599] ? trace_hardirqs_on+0x310/0x310 [ 684.743011] ? lock_downgrade+0x900/0x900 [ 684.747173] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 684.752289] ? ___ratelimit+0x3b9/0x672 [ 684.756267] ? idr_get_free+0xf70/0xf70 [ 684.760242] ? find_held_lock+0x36/0x1c0 [ 684.764315] oom_kill_process.cold.27+0x10/0x903 [ 684.769073] ? zap_class+0x640/0x640 [ 684.772793] ? check_preemption_disabled+0x48/0x280 [ 684.777825] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 684.782757] ? kasan_check_read+0x11/0x20 [ 684.786905] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 684.792212] ? oom_evaluate_task+0x540/0x540 [ 684.796625] ? find_held_lock+0x36/0x1c0 [ 684.800698] ? out_of_memory+0x974/0x1430 [ 684.804851] ? lock_downgrade+0x900/0x900 [ 684.809000] ? check_preemption_disabled+0x48/0x280 [ 684.814019] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 684.818947] ? kasan_check_read+0x11/0x20 [ 684.823099] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 684.828382] ? rcu_softirq_qs+0x20/0x20 [ 684.832377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.837920] ? oom_evaluate_task+0x302/0x540 [ 684.842332] out_of_memory+0xa84/0x1430 [ 684.846317] ? oom_killer_disable+0x3a0/0x3a0 [ 684.850819] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 684.855757] ? __ww_mutex_check_waiters+0x160/0x160 [ 684.860792] __alloc_pages_slowpath+0x2354/0x2e10 [ 684.865667] ? warn_alloc+0x120/0x120 [ 684.869468] ? mark_held_locks+0x130/0x130 [ 684.873711] ? find_get_entry+0xaae/0x1120 [ 684.877956] ? filemap_map_pages+0x1a20/0x1a20 [ 684.882544] ? zap_class+0x640/0x640 [ 684.886271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.891810] ? check_preemption_disabled+0x48/0x280 [ 684.896831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.902367] ? should_fail+0x22d/0xd01 [ 684.906260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.911371] ? zap_class+0x640/0x640 [ 684.915112] ? __lock_is_held+0xb5/0x140 [ 684.919188] ? mark_held_locks+0x130/0x130 [ 684.923438] ? lock_release+0xa00/0xa00 [ 684.927417] ? perf_trace_sched_process_exec+0x860/0x860 [ 684.932879] ? xa_load+0x2ba/0x460 [ 684.936430] ? lock_downgrade+0x900/0x900 [ 684.940584] ? __might_sleep+0x95/0x190 [ 684.944567] __alloc_pages_nodemask+0xa80/0xde0 [ 684.949245] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 684.954265] ? __page_cache_alloc+0x191/0x5c0 [ 684.958765] ? xa_load+0x2e1/0x460 [ 684.962309] ? xa_clear_mark+0x40/0x40 [ 684.966205] ? zap_class+0x640/0x640 [ 684.969934] ? zap_class+0x640/0x640 [ 684.973646] ? zap_class+0x640/0x640 [ 684.977499] ? __do_page_cache_readahead+0x663/0x810 [ 684.982610] ? find_held_lock+0x36/0x1c0 [ 684.986683] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 684.992233] alloc_pages_current+0x173/0x350 [ 684.996656] __page_cache_alloc+0x38c/0x5c0 [ 685.000978] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 685.005927] ? kasan_check_read+0x11/0x20 [ 685.010082] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 685.015365] ? generic_perform_write+0x6a0/0x6a0 [ 685.020129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.025670] ? check_preemption_disabled+0x48/0x280 [ 685.030698] filemap_fault+0x1595/0x25f0 [ 685.034774] ? __lock_page_or_retry+0xa00/0xa00 [ 685.039454] ? mark_held_locks+0x130/0x130 [ 685.043700] ? filemap_map_pages+0xd6b/0x1a20 [ 685.048206] ? lock_downgrade+0x900/0x900 [ 685.052359] ? check_preemption_disabled+0x48/0x280 [ 685.057397] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 685.062333] ? kasan_check_read+0x11/0x20 [ 685.066481] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 685.071758] ? rcu_softirq_qs+0x20/0x20 [ 685.075749] ? filemap_map_pages+0xd92/0x1a20 [ 685.080260] ? find_get_entries_tag+0x1400/0x1400 [ 685.085110] ? debug_object_destroy+0x2b0/0x2b0 [ 685.089785] ? lock_pi_update_atomic+0x150/0x150 [ 685.094546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.100098] ? lock_acquire+0x1ed/0x520 [ 685.104074] ? ext4_filemap_fault+0x7a/0xad [ 685.108868] ? lock_release+0xa00/0xa00 [ 685.112843] ? perf_trace_sched_process_exec+0x860/0x860 [ 685.118297] ? print_usage_bug+0xc0/0xc0 [ 685.122364] ? print_usage_bug+0xc0/0xc0 [ 685.126444] ? down_read+0x8d/0x120 [ 685.130078] ? ext4_filemap_fault+0x7a/0xad [ 685.134402] ? __down_interruptible+0x700/0x700 [ 685.139087] ext4_filemap_fault+0x82/0xad [ 685.143242] __do_fault+0x100/0x6b0 [ 685.146873] ? find_held_lock+0x36/0x1c0 [ 685.150938] ? pmd_devmap_trans_unstable+0x220/0x220 [ 685.156049] ? mark_held_locks+0x130/0x130 [ 685.160290] ? mark_held_locks+0x130/0x130 [ 685.164529] ? debug_smp_processor_id+0x1c/0x20 [ 685.169205] ? perf_trace_lock+0x14d/0x7a0 [ 685.173447] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 685.178038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.183584] __handle_mm_fault+0x3ea0/0x5be0 [ 685.188005] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 685.192852] ? lock_is_held_type+0x210/0x210 [ 685.197274] ? preempt_notifier_register+0x200/0x200 [ 685.202378] ? __switch_to_asm+0x34/0x70 [ 685.206448] ? __switch_to_asm+0x34/0x70 [ 685.210537] ? zap_class+0x640/0x640 [ 685.214259] ? zap_class+0x640/0x640 [ 685.217975] ? __x64_sys_futex+0x53e/0x6a0 [ 685.222220] ? find_held_lock+0x36/0x1c0 [ 685.226294] ? handle_mm_fault+0x42a/0xc70 [ 685.230539] ? lock_downgrade+0x900/0x900 [ 685.234691] ? check_preemption_disabled+0x48/0x280 [ 685.239714] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 685.244644] ? kasan_check_read+0x11/0x20 [ 685.248791] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 685.254071] ? rcu_softirq_qs+0x20/0x20 [ 685.258045] ? trace_hardirqs_off_caller+0x310/0x310 [ 685.263152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.268701] ? check_preemption_disabled+0x48/0x280 [ 685.273731] handle_mm_fault+0x54f/0xc70 [ 685.277798] ? __handle_mm_fault+0x5be0/0x5be0 [ 685.282386] ? find_vma+0x34/0x190 [ 685.285944] __do_page_fault+0x5e8/0xe60 [ 685.290007] ? trace_hardirqs_off+0xb8/0x310 [ 685.294436] do_page_fault+0xf2/0x7e0 [ 685.298239] ? vmalloc_sync_all+0x30/0x30 [ 685.302388] ? error_entry+0x70/0xd0 [ 685.306111] ? trace_hardirqs_off_caller+0xbb/0x310 [ 685.311133] ? trace_hardirqs_on_caller+0xc0/0x310 [ 685.316085] ? syscall_return_slowpath+0x5e0/0x5e0 [ 685.321025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.325869] ? trace_hardirqs_on_caller+0x310/0x310 [ 685.330889] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 685.336356] ? prepare_exit_to_usermode+0x291/0x3b0 [ 685.341373] ? page_fault+0x8/0x30 [ 685.344921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.349767] ? page_fault+0x8/0x30 [ 685.353314] page_fault+0x1e/0x30 [ 685.356765] RIP: 0033:0x40f9c0 [ 685.359971] Code: Bad RIP value. [ 685.363342] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 685.368704] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 685.375979] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 685.383252] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 685.390519] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 685.397791] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 685.405092] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 685.405167] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 685.412370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 685.412375] Call Trace: [ 685.412382] [ 685.412405] dump_stack+0x244/0x39d [ 685.412433] ? dump_stack_print_info.cold.1+0x20/0x20 [ 685.412460] warn_alloc.cold.116+0xb7/0x1bd [ 685.419034] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 685.428287] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 685.430848] syz-fuzzer cpuset=/ mems_allowed=0 [ 685.432992] ? lock_downgrade+0x900/0x900 [ 685.469838] ? trace_hardirqs_off+0xb8/0x310 [ 685.474254] ? trace_hardirqs_off+0xb8/0x310 [ 685.478686] __alloc_pages_slowpath+0x26e8/0x2e10 [ 685.483565] ? warn_alloc+0x120/0x120 [ 685.487370] ? print_usage_bug+0xc0/0xc0 [ 685.491442] ? warn_alloc+0x120/0x120 [ 685.495254] ? warn_alloc+0x120/0x120 [ 685.499057] ? print_usage_bug+0xc0/0xc0 [ 685.503128] ? print_usage_bug+0xc0/0xc0 [ 685.507189] ? __lock_acquire+0x62f/0x4c20 [ 685.511455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.516994] ? should_fail+0x22d/0xd01 [ 685.520892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 685.526000] ? __lock_acquire+0x62f/0x4c20 [ 685.530247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 685.535351] ? __lock_acquire+0x62f/0x4c20 [ 685.539587] ? should_fail+0x22d/0xd01 [ 685.543492] ? mark_held_locks+0x130/0x130 [ 685.547732] ? mark_held_locks+0x130/0x130 [ 685.551969] ? try_to_wake_up+0x11c/0x1490 [ 685.556235] ? lock_downgrade+0x900/0x900 [ 685.560390] ? zap_class+0x640/0x640 [ 685.564111] ? print_usage_bug+0xc0/0xc0 [ 685.568177] ? trace_hardirqs_off+0xb8/0x310 [ 685.572587] ? kasan_check_read+0x11/0x20 [ 685.576744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.582285] ? check_preemption_disabled+0x48/0x280 [ 685.587330] ? __lock_is_held+0xb5/0x140 [ 685.591399] __alloc_pages_nodemask+0xa80/0xde0 [ 685.596073] ? zap_class+0x640/0x640 [ 685.599793] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 685.604820] ? find_held_lock+0x36/0x1c0 [ 685.608894] ? ____cache_alloc_node+0x1c7/0x1e0 [ 685.613564] ? lock_downgrade+0x900/0x900 [ 685.617722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.623273] cache_grow_begin+0xa5/0x8c0 [ 685.627335] ? do_raw_spin_unlock+0xa7/0x330 [ 685.631752] fallback_alloc+0x204/0x2e0 [ 685.635740] ____cache_alloc_node+0x1c7/0x1e0 [ 685.640245] kmem_cache_alloc_node+0xe3/0x730 [ 685.644745] ? ipv6_get_ifaddr+0x42e/0x620 [ 685.648991] __alloc_skb+0x119/0x770 [ 685.652725] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 685.658010] ? netdev_alloc_frag+0x1f0/0x1f0 [ 685.662429] ? lock_downgrade+0x900/0x900 [ 685.666592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.672134] ? refcount_sub_and_test_checked+0x203/0x310 [ 685.677590] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 685.683046] ? addrconf_rs_timer+0x690/0x690 [ 685.687470] ndisc_alloc_skb+0x144/0x340 [ 685.691538] ndisc_send_rs+0x331/0x6e0 [ 685.695441] addrconf_rs_timer+0x314/0x690 [ 685.699705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 685.703952] call_timer_fn+0x272/0x920 [ 685.707840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 685.712077] ? process_timeout+0x40/0x40 [ 685.716164] ? __run_timers+0x7da/0xc70 [ 685.720152] ? _raw_spin_unlock_irq+0x27/0x80 [ 685.724647] ? _raw_spin_unlock_irq+0x27/0x80 [ 685.729144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 685.733392] ? lockdep_hardirqs_on+0x296/0x5b0 [ 685.737985] ? trace_hardirqs_on+0xbd/0x310 [ 685.742309] ? kasan_check_read+0x11/0x20 [ 685.746454] ? __run_timers+0x7da/0xc70 [ 685.750449] ? trace_hardirqs_off_caller+0x310/0x310 [ 685.755558] ? __queue_work+0x1440/0x1440 [ 685.759734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 685.763966] __run_timers+0x7e5/0xc70 [ 685.767776] ? timer_fixup_init+0x70/0x70 [ 685.771944] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 685.776964] ? zap_class+0x640/0x640 [ 685.780704] ? enqueue_hrtimer+0x1a5/0x560 [ 685.784958] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 685.790154] ? find_held_lock+0x36/0x1c0 [ 685.794219] ? zap_class+0x640/0x640 [ 685.797936] ? pvclock_read_flags+0x160/0x160 [ 685.802458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.807999] ? check_preemption_disabled+0x48/0x280 [ 685.813032] ? __lock_is_held+0xb5/0x140 [ 685.817093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.822631] ? check_preemption_disabled+0x48/0x280 [ 685.827655] run_timer_softirq+0x52/0xb0 [ 685.831768] ? rcu_read_lock_sched_held+0x14f/0x180 [ 685.836833] __do_softirq+0x308/0xb7e [ 685.840639] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 685.845137] ? lock_downgrade+0x900/0x900 [ 685.849294] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 685.854417] ? pvclock_read_flags+0x160/0x160 [ 685.858942] ? lapic_next_event+0x5a/0x90 [ 685.863111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.868656] ? kvm_clock_read+0x18/0x30 [ 685.872676] ? kvm_sched_clock_read+0x9/0x20 [ 685.877092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.882652] ? check_preemption_disabled+0x48/0x280 [ 685.887706] irq_exit+0x17f/0x1c0 [ 685.891219] smp_apic_timer_interrupt+0x1cb/0x760 [ 685.896074] ? smp_reschedule_interrupt+0x109/0x650 [ 685.901090] ? smp_call_function_single_interrupt+0x650/0x650 [ 685.906977] ? interrupt_entry+0xb5/0xc0 [ 685.911042] ? trace_hardirqs_off_caller+0xbb/0x310 [ 685.916064] ? trace_hardirqs_off_caller+0xbb/0x310 [ 685.921087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.925936] ? trace_hardirqs_on_caller+0x310/0x310 [ 685.930954] ? trace_hardirqs_on_caller+0x310/0x310 [ 685.935978] ? task_prio+0x50/0x50 [ 685.939525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.945071] ? check_preemption_disabled+0x48/0x280 [ 685.950095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 685.954949] apic_timer_interrupt+0xf/0x20 [ 685.959181] [ 685.961426] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 685.966359] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 685.985257] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 685.992967] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 686.000231] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 686.007498] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 686.014768] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 686.022038] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 686.029370] skb_clone+0x1bb/0x500 [ 686.032910] ? finish_task_switch+0x1b4/0x910 [ 686.037405] ? skb_split+0x11e0/0x11e0 [ 686.041301] ? preempt_notifier_register+0x200/0x200 [ 686.046403] ? __switch_to_asm+0x34/0x70 [ 686.050481] ? __switch_to_asm+0x34/0x70 [ 686.054542] ? __switch_to_asm+0x40/0x70 [ 686.058601] ? __switch_to_asm+0x34/0x70 [ 686.062663] ? __switch_to_asm+0x40/0x70 [ 686.066724] ? __switch_to_asm+0x34/0x70 [ 686.070781] ? __switch_to_asm+0x40/0x70 [ 686.074857] ? __switch_to_asm+0x34/0x70 [ 686.078947] ? __switch_to_asm+0x34/0x70 [ 686.083005] ? __switch_to_asm+0x40/0x70 [ 686.087061] ? __switch_to_asm+0x34/0x70 [ 686.091127] bpf_clone_redirect+0xb9/0x490 [ 686.095385] ? __schedule+0x8d7/0x21d0 [ 686.099279] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 686.104299] ? __sched_text_start+0x8/0x8 [ 686.108568] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 686.113158] ? retint_kernel+0x2d/0x2d [ 686.117060] ? trace_hardirqs_on_caller+0xc0/0x310 [ 686.122014] ? find_held_lock+0x36/0x1c0 [ 686.126081] ? lock_acquire+0x1ed/0x520 [ 686.130053] ? bpf_test_run+0x3cb/0x780 [ 686.134031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.139577] ? check_preemption_disabled+0x48/0x280 [ 686.144602] ? kasan_check_read+0x11/0x20 [ 686.148749] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 686.154027] ? rcu_softirq_qs+0x20/0x20 [ 686.158005] ? preempt_schedule+0x4d/0x60 [ 686.162153] ? ___preempt_schedule+0x16/0x18 [ 686.166582] ? bpf_test_run+0x25d/0x780 [ 686.170583] ? netlink_diag_dump+0x2a0/0x2a0 [ 686.174998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.180535] ? bpf_test_init.isra.10+0x70/0x100 [ 686.185213] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 686.189985] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 686.194829] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 686.200365] ? fput+0x130/0x1a0 [ 686.203645] ? __bpf_prog_get+0x9b/0x290 [ 686.207716] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 686.212561] ? bpf_prog_test_run+0x130/0x1a0 [ 686.216973] ? __x64_sys_bpf+0x3d8/0x520 [ 686.221032] ? bpf_prog_get+0x20/0x20 [ 686.224858] ? do_syscall_64+0x1b9/0x820 [ 686.228922] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 686.234290] ? syscall_return_slowpath+0x5e0/0x5e0 [ 686.239223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.244069] ? trace_hardirqs_on_caller+0x310/0x310 [ 686.249087] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 686.254108] ? prepare_exit_to_usermode+0x291/0x3b0 [ 686.259136] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.263991] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 686.269374] warn_alloc_show_mem: 1 callbacks suppressed [ 686.269386] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 686.269388] Mem-Info: [ 686.269430] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 686.269430] active_file:14 inactive_file:14 isolated_file:0 [ 686.269430] unevictable:0 dirty:0 writeback:0 unstable:0 [ 686.269430] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 686.269430] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 686.269430] free:13772 free_pcp:380 free_cma:0 [ 686.274767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 686.281787] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 686.284190] Call Trace: [ 686.317326] 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 [ 686.326674] [ 686.354510] lowmem_reserve[]: 0 2818 6321 6321 [ 686.357115] dump_stack+0x244/0x39d [ 686.383206] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 686.385365] ? dump_stack_print_info.cold.1+0x20/0x20 [ 686.389907] lowmem_reserve[]: 0 0 3503 3503 [ 686.393538] warn_alloc.cold.116+0xb7/0x1bd [ 686.421012] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 686.426208] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 686.430496] lowmem_reserve[]: 0 0 0 0 [ 686.434818] ? lock_downgrade+0x900/0x900 [ 686.463946] 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 [ 686.468793] ? trace_hardirqs_off+0xb8/0x310 [ 686.472558] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 686.476704] ? trace_hardirqs_off+0xb8/0x310 [ 686.490208] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 686.494643] __alloc_pages_slowpath+0x26e8/0x2e10 [ 686.509875] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 686.514299] ? warn_alloc+0x120/0x120 [ 686.528644] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 686.528653] 12557 total pagecache pages [ 686.533519] ? print_usage_bug+0xc0/0xc0 [ 686.542328] 0 pages in swap cache [ 686.546124] ? warn_alloc+0x120/0x120 [ 686.554669] Swap cache stats: add 0, delete 0, find 0/0 [ 686.554679] Free swap = 0kB [ 686.558644] ? warn_alloc+0x120/0x120 [ 686.562679] Total swap = 0kB [ 686.566125] ? print_usage_bug+0xc0/0xc0 [ 686.569898] 1965979 pages RAM [ 686.575257] ? kvm_clock_read+0x18/0x30 [ 686.578249] 0 pages HighMem/MovableOnly [ 686.582046] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 686.585035] 342853 pages reserved [ 686.589086] ? print_usage_bug+0xc0/0xc0 [ 686.592166] 0 pages cma reserved [ 686.596161] ? __lock_acquire+0x62f/0x4c20 [ 686.600207] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 686.605147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.608669] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 686.612635] ? should_fail+0x22d/0xd01 [ 686.615979] syz-executor1 cpuset=syz1 mems_allowed=0 [ 686.620226] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 686.656940] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 686.662047] ? __lock_acquire+0x62f/0x4c20 [ 686.666288] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 686.671389] ? __lock_acquire+0x62f/0x4c20 [ 686.675627] ? should_fail+0x22d/0xd01 [ 686.679511] ? rcu_irq_exit+0x1a2/0x390 [ 686.683501] ? mark_held_locks+0x130/0x130 [ 686.687741] ? mark_held_locks+0x130/0x130 [ 686.691984] ? mark_held_locks+0xc7/0x130 [ 686.696130] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 686.701145] ? zap_class+0x640/0x640 [ 686.704874] ? print_usage_bug+0xc0/0xc0 [ 686.708944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.714487] ? check_preemption_disabled+0x48/0x280 [ 686.719515] ? __lock_is_held+0xb5/0x140 [ 686.723585] __alloc_pages_nodemask+0xa80/0xde0 [ 686.728270] ? zap_class+0x640/0x640 [ 686.731989] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 686.737020] ? find_held_lock+0x36/0x1c0 [ 686.741106] ? ____cache_alloc_node+0x1c7/0x1e0 [ 686.745781] ? lock_downgrade+0x900/0x900 [ 686.749942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.755488] cache_grow_begin+0xa5/0x8c0 [ 686.759553] ? do_raw_spin_unlock+0xa7/0x330 [ 686.763974] fallback_alloc+0x204/0x2e0 [ 686.767959] ____cache_alloc_node+0x1c7/0x1e0 [ 686.772465] kmem_cache_alloc_node+0xe3/0x730 [ 686.776964] ? ipv6_get_ifaddr+0x42e/0x620 [ 686.781213] __alloc_skb+0x119/0x770 [ 686.784943] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 686.790240] ? netdev_alloc_frag+0x1f0/0x1f0 [ 686.794651] ? lock_downgrade+0x900/0x900 [ 686.798805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.804347] ? refcount_sub_and_test_checked+0x203/0x310 [ 686.809804] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 686.815257] ? addrconf_rs_timer+0x690/0x690 [ 686.819679] ndisc_alloc_skb+0x144/0x340 [ 686.823747] ndisc_send_rs+0x331/0x6e0 [ 686.827645] addrconf_rs_timer+0x314/0x690 [ 686.831885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 686.836132] call_timer_fn+0x272/0x920 [ 686.840021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 686.844256] ? process_timeout+0x40/0x40 [ 686.848327] ? mark_held_locks+0xc7/0x130 [ 686.852496] ? _raw_spin_unlock_irq+0x27/0x80 [ 686.856985] ? _raw_spin_unlock_irq+0x27/0x80 [ 686.861479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 686.865716] ? lockdep_hardirqs_on+0x296/0x5b0 [ 686.870300] ? trace_hardirqs_on+0xbd/0x310 [ 686.874622] ? kasan_check_read+0x11/0x20 [ 686.878771] ? __run_timers+0x7da/0xc70 [ 686.882745] ? trace_hardirqs_off_caller+0x310/0x310 [ 686.887882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 686.892124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 686.896358] __run_timers+0x7e5/0xc70 [ 686.900190] ? timer_fixup_init+0x70/0x70 [ 686.904342] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 686.909361] ? zap_class+0x640/0x640 [ 686.913084] ? print_usage_bug+0xc0/0xc0 [ 686.917148] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 686.922365] ? find_held_lock+0x36/0x1c0 [ 686.926437] ? zap_class+0x640/0x640 [ 686.930157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.935708] ? check_preemption_disabled+0x48/0x280 [ 686.940733] ? __lock_is_held+0xb5/0x140 [ 686.944798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.950338] ? check_preemption_disabled+0x48/0x280 [ 686.955360] run_timer_softirq+0x52/0xb0 [ 686.959432] ? rcu_read_lock_sched_held+0x14f/0x180 [ 686.964463] __do_softirq+0x308/0xb7e [ 686.968267] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 686.972761] ? lock_downgrade+0x900/0x900 [ 686.977099] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 686.982229] ? pvclock_read_flags+0x160/0x160 [ 686.986743] ? lapic_next_event+0x5a/0x90 [ 686.990893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.996440] ? kvm_clock_read+0x18/0x30 [ 687.000415] ? kvm_sched_clock_read+0x9/0x20 [ 687.004859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.010401] ? check_preemption_disabled+0x48/0x280 [ 687.015443] irq_exit+0x17f/0x1c0 [ 687.018903] smp_apic_timer_interrupt+0x1cb/0x760 [ 687.023750] ? smp_reschedule_interrupt+0x109/0x650 [ 687.028767] ? smp_call_function_single_interrupt+0x650/0x650 [ 687.034651] ? interrupt_entry+0xb5/0xc0 [ 687.038713] ? trace_hardirqs_off_caller+0xbb/0x310 [ 687.043734] ? trace_hardirqs_off_caller+0xbb/0x310 [ 687.048766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.053628] ? trace_hardirqs_on_caller+0x310/0x310 [ 687.058641] ? trace_hardirqs_on_caller+0x310/0x310 [ 687.063662] ? task_prio+0x50/0x50 [ 687.067220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.072759] ? check_preemption_disabled+0x48/0x280 [ 687.077783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.082641] apic_timer_interrupt+0xf/0x20 [ 687.086872] [ 687.089110] RIP: 0010:dump_stack+0x20e/0x39d [ 687.093517] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 687.112414] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 687.120145] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 687.127452] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 687.134722] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 687.141985] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 687.149269] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 687.156565] ? dump_stack+0x205/0x39d [ 687.160377] ? dump_stack_print_info.cold.1+0x20/0x20 [ 687.165568] ? mark_held_locks+0x130/0x130 [ 687.169807] ? mark_held_locks+0x130/0x130 [ 687.174049] dump_header+0x27b/0xf72 [ 687.177781] ? pagefault_out_of_memory+0x197/0x197 [ 687.182719] ? __lock_acquire+0x62f/0x4c20 [ 687.186955] ? percpu_ref_get_many+0x240/0x240 [ 687.191546] ? print_usage_bug+0xc0/0xc0 [ 687.195616] ? zap_class+0x640/0x640 [ 687.199332] ? print_usage_bug+0xc0/0xc0 [ 687.203391] ? print_usage_bug+0xc0/0xc0 [ 687.207461] ? zap_class+0x640/0x640 [ 687.211187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.216729] ? find_held_lock+0x36/0x1c0 [ 687.220806] ? mark_held_locks+0xc7/0x130 [ 687.224957] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 687.230058] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 687.235163] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 687.239753] ? trace_hardirqs_on+0xbd/0x310 [ 687.244079] ? kasan_check_read+0x11/0x20 [ 687.248229] ? ___ratelimit+0x3b4/0x672 [ 687.252214] ? trace_hardirqs_off_caller+0x310/0x310 [ 687.257337] ? trace_hardirqs_on+0x310/0x310 [ 687.261748] ? lock_downgrade+0x900/0x900 [ 687.265903] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 687.271010] ? ___ratelimit+0x3b9/0x672 [ 687.274988] ? idr_get_free+0xf70/0xf70 [ 687.278962] ? find_held_lock+0x36/0x1c0 [ 687.283035] oom_kill_process.cold.27+0x10/0x903 [ 687.287794] ? zap_class+0x640/0x640 [ 687.291515] ? check_preemption_disabled+0x48/0x280 [ 687.296535] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 687.301468] ? kasan_check_read+0x11/0x20 [ 687.305616] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 687.310895] ? oom_evaluate_task+0x540/0x540 [ 687.315308] ? find_held_lock+0x36/0x1c0 [ 687.319377] ? out_of_memory+0x974/0x1430 [ 687.323528] ? lock_downgrade+0x900/0x900 [ 687.327678] ? check_preemption_disabled+0x48/0x280 [ 687.332696] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 687.337637] ? kasan_check_read+0x11/0x20 [ 687.341799] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 687.347109] ? rcu_softirq_qs+0x20/0x20 [ 687.351123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.357024] ? oom_evaluate_task+0x302/0x540 [ 687.361446] out_of_memory+0xa84/0x1430 [ 687.365438] ? oom_killer_disable+0x3a0/0x3a0 [ 687.369950] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 687.374887] ? __ww_mutex_check_waiters+0x160/0x160 [ 687.379917] __alloc_pages_slowpath+0x2354/0x2e10 [ 687.384791] ? warn_alloc+0x120/0x120 [ 687.388598] ? mark_held_locks+0x130/0x130 [ 687.392840] ? find_get_entry+0xaae/0x1120 [ 687.397092] ? filemap_map_pages+0x1a20/0x1a20 [ 687.401682] ? zap_class+0x640/0x640 [ 687.405418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.410970] ? check_preemption_disabled+0x48/0x280 [ 687.415986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.421529] ? should_fail+0x22d/0xd01 [ 687.425428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 687.430530] ? zap_class+0x640/0x640 [ 687.434283] ? __lock_is_held+0xb5/0x140 [ 687.438354] ? mark_held_locks+0x130/0x130 [ 687.442595] ? lock_release+0xa00/0xa00 [ 687.446600] ? perf_trace_sched_process_exec+0x860/0x860 [ 687.452052] ? xa_load+0x2ba/0x460 [ 687.455593] ? lock_downgrade+0x900/0x900 [ 687.459746] ? __might_sleep+0x95/0x190 [ 687.463731] __alloc_pages_nodemask+0xa80/0xde0 [ 687.468410] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 687.473444] ? __page_cache_alloc+0x191/0x5c0 [ 687.477939] ? xa_load+0x2e1/0x460 [ 687.481500] ? xa_clear_mark+0x40/0x40 [ 687.485389] ? zap_class+0x640/0x640 [ 687.489119] ? zap_class+0x640/0x640 [ 687.492922] ? zap_class+0x640/0x640 [ 687.496638] ? __do_page_cache_readahead+0x663/0x810 [ 687.501749] ? find_held_lock+0x36/0x1c0 [ 687.505818] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 687.511364] alloc_pages_current+0x173/0x350 [ 687.515783] __page_cache_alloc+0x38c/0x5c0 [ 687.520103] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 687.525044] ? kasan_check_read+0x11/0x20 [ 687.529208] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 687.534506] ? generic_perform_write+0x6a0/0x6a0 [ 687.539263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.544823] ? check_preemption_disabled+0x48/0x280 [ 687.549849] filemap_fault+0x1595/0x25f0 [ 687.553927] ? __lock_page_or_retry+0xa00/0xa00 [ 687.558598] ? mark_held_locks+0x130/0x130 [ 687.562844] ? filemap_map_pages+0xd6b/0x1a20 [ 687.567340] ? lock_downgrade+0x900/0x900 [ 687.571487] ? check_preemption_disabled+0x48/0x280 [ 687.576563] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 687.581499] ? kasan_check_read+0x11/0x20 [ 687.585650] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 687.590924] ? rcu_softirq_qs+0x20/0x20 [ 687.594917] ? filemap_map_pages+0xd92/0x1a20 [ 687.599465] ? find_get_entries_tag+0x1400/0x1400 [ 687.604328] ? debug_object_destroy+0x2b0/0x2b0 [ 687.609003] ? lock_pi_update_atomic+0x150/0x150 [ 687.613760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.619315] ? lock_acquire+0x1ed/0x520 [ 687.623288] ? ext4_filemap_fault+0x7a/0xad [ 687.627619] ? lock_release+0xa00/0xa00 [ 687.631596] ? perf_trace_sched_process_exec+0x860/0x860 [ 687.637063] ? print_usage_bug+0xc0/0xc0 [ 687.641159] ? print_usage_bug+0xc0/0xc0 [ 687.645232] ? down_read+0x8d/0x120 [ 687.648860] ? ext4_filemap_fault+0x7a/0xad [ 687.653192] ? __down_interruptible+0x700/0x700 [ 687.657877] ext4_filemap_fault+0x82/0xad [ 687.662030] __do_fault+0x100/0x6b0 [ 687.665658] ? find_held_lock+0x36/0x1c0 [ 687.669737] ? pmd_devmap_trans_unstable+0x220/0x220 [ 687.674843] ? mark_held_locks+0x130/0x130 [ 687.679099] ? mark_held_locks+0x130/0x130 [ 687.683338] ? debug_smp_processor_id+0x1c/0x20 [ 687.688011] ? perf_trace_lock+0x14d/0x7a0 [ 687.692247] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 687.696835] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.702377] __handle_mm_fault+0x3ea0/0x5be0 [ 687.706800] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 687.711644] ? lock_is_held_type+0x210/0x210 [ 687.716058] ? preempt_notifier_register+0x200/0x200 [ 687.721171] ? __switch_to_asm+0x34/0x70 [ 687.725268] ? __switch_to_asm+0x34/0x70 [ 687.729357] ? zap_class+0x640/0x640 [ 687.733099] ? zap_class+0x640/0x640 [ 687.736816] ? __x64_sys_futex+0x53e/0x6a0 [ 687.741057] ? find_held_lock+0x36/0x1c0 [ 687.745129] ? handle_mm_fault+0x42a/0xc70 [ 687.749364] ? lock_downgrade+0x900/0x900 [ 687.753527] ? check_preemption_disabled+0x48/0x280 [ 687.758544] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 687.763475] ? kasan_check_read+0x11/0x20 [ 687.767623] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 687.772901] ? rcu_softirq_qs+0x20/0x20 [ 687.776889] ? trace_hardirqs_off_caller+0x310/0x310 [ 687.781998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.787541] ? check_preemption_disabled+0x48/0x280 [ 687.792579] handle_mm_fault+0x54f/0xc70 [ 687.796639] ? __handle_mm_fault+0x5be0/0x5be0 [ 687.801222] ? find_vma+0x34/0x190 [ 687.804767] __do_page_fault+0x5e8/0xe60 [ 687.808828] ? trace_hardirqs_off+0xb8/0x310 [ 687.813244] do_page_fault+0xf2/0x7e0 [ 687.817060] ? vmalloc_sync_all+0x30/0x30 [ 687.821209] ? error_entry+0x70/0xd0 [ 687.824923] ? trace_hardirqs_off_caller+0xbb/0x310 [ 687.829954] ? trace_hardirqs_on_caller+0xc0/0x310 [ 687.834886] ? syscall_return_slowpath+0x5e0/0x5e0 [ 687.839815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.844656] ? trace_hardirqs_on_caller+0x310/0x310 [ 687.849671] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 687.855126] ? prepare_exit_to_usermode+0x291/0x3b0 [ 687.860141] ? page_fault+0x8/0x30 [ 687.863684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 687.868528] ? page_fault+0x8/0x30 [ 687.872079] page_fault+0x1e/0x30 [ 687.875532] RIP: 0033:0x40f9c0 [ 687.878742] Code: Bad RIP value. [ 687.882103] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 687.887463] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 687.894731] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 687.902004] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 687.909277] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 687.916561] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 687.923858] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 687.923942] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 687.931143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 687.931148] Call Trace: [ 687.931155] [ 687.931178] dump_stack+0x244/0x39d [ 687.931201] ? dump_stack_print_info.cold.1+0x20/0x20 [ 687.937761] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 687.947039] warn_alloc.cold.116+0xb7/0x1bd [ 687.949594] syz-fuzzer cpuset=/ mems_allowed=0 [ 687.951735] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 687.984656] ? lock_downgrade+0x900/0x900 [ 687.988832] ? trace_hardirqs_off+0xb8/0x310 [ 687.993250] ? trace_hardirqs_off+0xb8/0x310 [ 687.997745] __alloc_pages_slowpath+0x26e8/0x2e10 [ 688.002636] ? warn_alloc+0x120/0x120 [ 688.006449] ? print_usage_bug+0xc0/0xc0 [ 688.010513] ? warn_alloc+0x120/0x120 [ 688.014315] ? warn_alloc+0x120/0x120 [ 688.018114] ? print_usage_bug+0xc0/0xc0 [ 688.022193] ? kvm_clock_read+0x18/0x30 [ 688.026174] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 688.031210] ? print_usage_bug+0xc0/0xc0 [ 688.035273] ? __lock_acquire+0x62f/0x4c20 [ 688.039513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 688.045051] ? should_fail+0x22d/0xd01 [ 688.048967] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 688.054246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 688.059350] ? __lock_acquire+0x62f/0x4c20 [ 688.063588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 688.068694] ? __lock_acquire+0x62f/0x4c20 [ 688.072943] ? should_fail+0x22d/0xd01 [ 688.076826] ? rcu_irq_exit+0x1a2/0x390 [ 688.080813] ? mark_held_locks+0x130/0x130 [ 688.085083] ? mark_held_locks+0x130/0x130 [ 688.089339] ? mark_held_locks+0xc7/0x130 [ 688.093487] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 688.098504] ? zap_class+0x640/0x640 [ 688.102249] ? print_usage_bug+0xc0/0xc0 [ 688.106484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.112046] ? check_preemption_disabled+0x48/0x280 [ 688.117073] ? __lock_is_held+0xb5/0x140 [ 688.121172] __alloc_pages_nodemask+0xa80/0xde0 [ 688.125845] ? zap_class+0x640/0x640 [ 688.129567] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 688.134595] ? find_held_lock+0x36/0x1c0 [ 688.138707] ? ____cache_alloc_node+0x1c7/0x1e0 [ 688.143381] ? lock_downgrade+0x900/0x900 [ 688.147543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.153088] cache_grow_begin+0xa5/0x8c0 [ 688.157162] ? do_raw_spin_unlock+0xa7/0x330 [ 688.161583] fallback_alloc+0x204/0x2e0 [ 688.165569] ____cache_alloc_node+0x1c7/0x1e0 [ 688.170070] kmem_cache_alloc_node+0xe3/0x730 [ 688.174566] ? ipv6_get_ifaddr+0x42e/0x620 [ 688.178810] __alloc_skb+0x119/0x770 [ 688.182530] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 688.187811] ? netdev_alloc_frag+0x1f0/0x1f0 [ 688.192221] ? lock_downgrade+0x900/0x900 [ 688.196376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.201913] ? refcount_sub_and_test_checked+0x203/0x310 [ 688.207367] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 688.212836] ? addrconf_rs_timer+0x690/0x690 [ 688.217260] ndisc_alloc_skb+0x144/0x340 [ 688.221327] ndisc_send_rs+0x331/0x6e0 [ 688.225224] addrconf_rs_timer+0x314/0x690 [ 688.229464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.233729] call_timer_fn+0x272/0x920 [ 688.237634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.241868] ? process_timeout+0x40/0x40 [ 688.245946] ? __run_timers+0x7da/0xc70 [ 688.249927] ? _raw_spin_unlock_irq+0x27/0x80 [ 688.254432] ? _raw_spin_unlock_irq+0x27/0x80 [ 688.258947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.263198] ? lockdep_hardirqs_on+0x296/0x5b0 [ 688.267779] ? trace_hardirqs_on+0xbd/0x310 [ 688.272098] ? kasan_check_read+0x11/0x20 [ 688.276255] ? __run_timers+0x7da/0xc70 [ 688.280230] ? trace_hardirqs_off_caller+0x310/0x310 [ 688.285334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.289575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 688.293822] __run_timers+0x7e5/0xc70 [ 688.297634] ? timer_fixup_init+0x70/0x70 [ 688.301786] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 688.306808] ? zap_class+0x640/0x640 [ 688.310523] ? enqueue_hrtimer+0x1a5/0x560 [ 688.314761] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 688.319957] ? find_held_lock+0x36/0x1c0 [ 688.324028] ? zap_class+0x640/0x640 [ 688.327754] ? pvclock_read_flags+0x160/0x160 [ 688.332264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.337822] ? check_preemption_disabled+0x48/0x280 [ 688.342867] ? __lock_is_held+0xb5/0x140 [ 688.346928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.352482] ? check_preemption_disabled+0x48/0x280 [ 688.357507] run_timer_softirq+0x52/0xb0 [ 688.361571] ? rcu_read_lock_sched_held+0x14f/0x180 [ 688.366591] __do_softirq+0x308/0xb7e [ 688.370399] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 688.374903] ? lock_downgrade+0x900/0x900 [ 688.379053] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 688.384163] ? pvclock_read_flags+0x160/0x160 [ 688.388665] ? lapic_next_event+0x5a/0x90 [ 688.392836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.398376] ? kvm_clock_read+0x18/0x30 [ 688.402350] ? kvm_sched_clock_read+0x9/0x20 [ 688.406765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.412306] ? check_preemption_disabled+0x48/0x280 [ 688.417347] irq_exit+0x17f/0x1c0 [ 688.420816] smp_apic_timer_interrupt+0x1cb/0x760 [ 688.425675] ? smp_reschedule_interrupt+0x109/0x650 [ 688.430762] ? smp_call_function_single_interrupt+0x650/0x650 [ 688.436663] ? interrupt_entry+0xb5/0xc0 [ 688.440731] ? trace_hardirqs_off_caller+0xbb/0x310 [ 688.445749] ? trace_hardirqs_off_caller+0xbb/0x310 [ 688.450766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 688.455609] ? trace_hardirqs_on_caller+0x310/0x310 [ 688.460628] ? trace_hardirqs_on_caller+0x310/0x310 [ 688.465647] ? task_prio+0x50/0x50 [ 688.469188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.474728] ? check_preemption_disabled+0x48/0x280 [ 688.479756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 688.484622] apic_timer_interrupt+0xf/0x20 [ 688.488852] [ 688.491102] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 688.496031] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 688.514931] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 688.522639] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 688.529904] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 688.537167] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 688.544441] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 688.551727] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 688.559042] skb_clone+0x1bb/0x500 [ 688.562588] ? finish_task_switch+0x1b4/0x910 [ 688.567088] ? skb_split+0x11e0/0x11e0 [ 688.570977] ? preempt_notifier_register+0x200/0x200 [ 688.576087] ? __switch_to_asm+0x34/0x70 [ 688.580180] ? __switch_to_asm+0x34/0x70 [ 688.584238] ? __switch_to_asm+0x40/0x70 [ 688.588294] ? __switch_to_asm+0x34/0x70 [ 688.592355] ? __switch_to_asm+0x40/0x70 [ 688.596430] ? __switch_to_asm+0x34/0x70 [ 688.600492] ? __switch_to_asm+0x40/0x70 [ 688.604554] ? __switch_to_asm+0x34/0x70 [ 688.608612] ? __switch_to_asm+0x34/0x70 [ 688.612671] ? __switch_to_asm+0x40/0x70 [ 688.616733] ? __switch_to_asm+0x34/0x70 [ 688.620799] bpf_clone_redirect+0xb9/0x490 [ 688.625034] ? __schedule+0x8d7/0x21d0 [ 688.628929] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 688.633949] ? __sched_text_start+0x8/0x8 [ 688.638099] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 688.642686] ? retint_kernel+0x2d/0x2d [ 688.646589] ? trace_hardirqs_on_caller+0xc0/0x310 [ 688.651522] ? find_held_lock+0x36/0x1c0 [ 688.655596] ? lock_acquire+0x1ed/0x520 [ 688.659577] ? bpf_test_run+0x3cb/0x780 [ 688.663558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.669102] ? check_preemption_disabled+0x48/0x280 [ 688.674123] ? kasan_check_read+0x11/0x20 [ 688.678282] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 688.683560] ? rcu_softirq_qs+0x20/0x20 [ 688.687536] ? preempt_schedule+0x4d/0x60 [ 688.691692] ? ___preempt_schedule+0x16/0x18 [ 688.696124] ? bpf_test_run+0x25d/0x780 [ 688.700127] ? netlink_diag_dump+0x2a0/0x2a0 [ 688.704540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 688.710075] ? bpf_test_init.isra.10+0x70/0x100 [ 688.714754] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 688.719524] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 688.724382] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 688.729920] ? fput+0x130/0x1a0 [ 688.733201] ? __bpf_prog_get+0x9b/0x290 [ 688.737264] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 688.742119] ? bpf_prog_test_run+0x130/0x1a0 [ 688.746531] ? __x64_sys_bpf+0x3d8/0x520 [ 688.750607] ? bpf_prog_get+0x20/0x20 [ 688.754435] ? do_syscall_64+0x1b9/0x820 [ 688.758501] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 688.763866] ? syscall_return_slowpath+0x5e0/0x5e0 [ 688.768793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 688.774333] ? trace_hardirqs_on_caller+0x310/0x310 [ 688.779349] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 688.784369] ? prepare_exit_to_usermode+0x291/0x3b0 [ 688.789394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 688.794248] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 688.799636] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 688.799642] warn_alloc_show_mem: 1 callbacks suppressed [ 688.799649] Mem-Info: [ 688.806663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 688.812052] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 688.812052] active_file:14 inactive_file:14 isolated_file:0 [ 688.812052] unevictable:0 dirty:0 writeback:0 unstable:0 [ 688.812052] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 688.812052] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 688.812052] free:13772 free_pcp:380 free_cma:0 [ 688.814428] Call Trace: [ 688.823840] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 688.856940] [ 688.859507] 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 [ 688.887350] dump_stack+0x244/0x39d [ 688.889469] lowmem_reserve[]: 0 2818 6321 6321 [ 688.915594] ? dump_stack_print_info.cold.1+0x20/0x20 [ 688.919186] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 688.923777] warn_alloc.cold.116+0xb7/0x1bd [ 688.928934] lowmem_reserve[]: 0 0 3503 3503 [ 688.956486] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 688.960785] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 688.965100] ? lock_downgrade+0x900/0x900 [ 688.969915] lowmem_reserve[]: 0 0 0 0 [ 688.999222] ? trace_hardirqs_off+0xb8/0x310 [ 689.003344] 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 [ 689.007135] ? trace_hardirqs_off+0xb8/0x310 [ 689.011519] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 689.025042] __alloc_pages_slowpath+0x26e8/0x2e10 [ 689.029418] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 689.044726] ? warn_alloc+0x120/0x120 [ 689.049530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 689.063905] ? print_usage_bug+0xc0/0xc0 [ 689.067737] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 689.076568] ? warn_alloc+0x120/0x120 [ 689.080605] 12557 total pagecache pages [ 689.089177] ? warn_alloc+0x120/0x120 [ 689.092959] 0 pages in swap cache [ 689.096921] ? print_usage_bug+0xc0/0xc0 [ 689.100704] Swap cache stats: add 0, delete 0, find 0/0 [ 689.104147] ? kvm_clock_read+0x18/0x30 [ 689.108191] Free swap = 0kB [ 689.113560] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 689.117506] Total swap = 0kB [ 689.120518] ? print_usage_bug+0xc0/0xc0 [ 689.125518] 1965979 pages RAM [ 689.128530] ? __lock_acquire+0x62f/0x4c20 [ 689.132569] 0 pages HighMem/MovableOnly [ 689.135667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.139877] 342853 pages reserved [ 689.143842] ? should_fail+0x22d/0xd01 [ 689.149353] 0 pages cma reserved [ 689.152824] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 689.156770] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 689.160077] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 689.165380] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 689.171821] ? __lock_acquire+0x62f/0x4c20 [ 689.176898] syz-executor1 cpuset=syz1 mems_allowed=0 [ 689.187382] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 689.201788] ? __lock_acquire+0x62f/0x4c20 [ 689.206054] ? should_fail+0x22d/0xd01 [ 689.209937] ? rcu_irq_exit+0x1a2/0x390 [ 689.213930] ? mark_held_locks+0x130/0x130 [ 689.218170] ? mark_held_locks+0x130/0x130 [ 689.222436] ? mark_held_locks+0xc7/0x130 [ 689.226586] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 689.231616] ? zap_class+0x640/0x640 [ 689.235332] ? print_usage_bug+0xc0/0xc0 [ 689.239403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.244948] ? check_preemption_disabled+0x48/0x280 [ 689.249975] ? __lock_is_held+0xb5/0x140 [ 689.254041] __alloc_pages_nodemask+0xa80/0xde0 [ 689.258725] ? zap_class+0x640/0x640 [ 689.262451] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 689.267483] ? find_held_lock+0x36/0x1c0 [ 689.271553] ? ____cache_alloc_node+0x1c7/0x1e0 [ 689.276230] ? lock_downgrade+0x900/0x900 [ 689.280386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.285935] cache_grow_begin+0xa5/0x8c0 [ 689.289996] ? do_raw_spin_unlock+0xa7/0x330 [ 689.294416] fallback_alloc+0x204/0x2e0 [ 689.298408] ____cache_alloc_node+0x1c7/0x1e0 [ 689.302931] kmem_cache_alloc_node+0xe3/0x730 [ 689.307454] ? ipv6_get_ifaddr+0x42e/0x620 [ 689.311701] __alloc_skb+0x119/0x770 [ 689.315414] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 689.320698] ? netdev_alloc_frag+0x1f0/0x1f0 [ 689.325107] ? lock_downgrade+0x900/0x900 [ 689.329266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.334803] ? refcount_sub_and_test_checked+0x203/0x310 [ 689.340252] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 689.345701] ? addrconf_rs_timer+0x690/0x690 [ 689.350133] ndisc_alloc_skb+0x144/0x340 [ 689.354200] ndisc_send_rs+0x331/0x6e0 [ 689.358108] addrconf_rs_timer+0x314/0x690 [ 689.362346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 689.366593] call_timer_fn+0x272/0x920 [ 689.370482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 689.374720] ? process_timeout+0x40/0x40 [ 689.378796] ? mark_held_locks+0xc7/0x130 [ 689.382945] ? _raw_spin_unlock_irq+0x27/0x80 [ 689.387446] ? _raw_spin_unlock_irq+0x27/0x80 [ 689.391939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 689.396195] ? lockdep_hardirqs_on+0x296/0x5b0 [ 689.400778] ? trace_hardirqs_on+0xbd/0x310 [ 689.405100] ? kasan_check_read+0x11/0x20 [ 689.409277] ? __run_timers+0x7da/0xc70 [ 689.413253] ? trace_hardirqs_off_caller+0x310/0x310 [ 689.418363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 689.422603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 689.426834] __run_timers+0x7e5/0xc70 [ 689.430650] ? timer_fixup_init+0x70/0x70 [ 689.434803] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 689.439818] ? zap_class+0x640/0x640 [ 689.443540] ? print_usage_bug+0xc0/0xc0 [ 689.447607] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 689.452809] ? find_held_lock+0x36/0x1c0 [ 689.456887] ? zap_class+0x640/0x640 [ 689.460605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.466186] ? check_preemption_disabled+0x48/0x280 [ 689.471215] ? __lock_is_held+0xb5/0x140 [ 689.475280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.480815] ? check_preemption_disabled+0x48/0x280 [ 689.485835] run_timer_softirq+0x52/0xb0 [ 689.489896] ? rcu_read_lock_sched_held+0x14f/0x180 [ 689.494915] __do_softirq+0x308/0xb7e [ 689.498719] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 689.503218] ? lock_downgrade+0x900/0x900 [ 689.507367] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 689.512492] ? pvclock_read_flags+0x160/0x160 [ 689.516992] ? lapic_next_event+0x5a/0x90 [ 689.521190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.526731] ? kvm_clock_read+0x18/0x30 [ 689.530707] ? kvm_sched_clock_read+0x9/0x20 [ 689.535120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.540657] ? check_preemption_disabled+0x48/0x280 [ 689.545688] irq_exit+0x17f/0x1c0 [ 689.549160] smp_apic_timer_interrupt+0x1cb/0x760 [ 689.554007] ? smp_reschedule_interrupt+0x109/0x650 [ 689.559023] ? smp_call_function_single_interrupt+0x650/0x650 [ 689.564919] ? interrupt_entry+0xb5/0xc0 [ 689.568983] ? trace_hardirqs_off_caller+0xbb/0x310 [ 689.573997] ? trace_hardirqs_off_caller+0xbb/0x310 [ 689.579018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.583864] ? trace_hardirqs_on_caller+0x310/0x310 [ 689.588883] ? trace_hardirqs_on_caller+0x310/0x310 [ 689.593901] ? task_prio+0x50/0x50 [ 689.597449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.602998] ? check_preemption_disabled+0x48/0x280 [ 689.608024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.612892] apic_timer_interrupt+0xf/0x20 [ 689.617120] [ 689.619363] RIP: 0010:dump_stack+0x20e/0x39d [ 689.623772] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 689.642670] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 689.650376] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 689.657644] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 689.664910] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 689.672192] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 689.679456] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 689.686755] ? dump_stack+0x205/0x39d [ 689.690569] ? dump_stack_print_info.cold.1+0x20/0x20 [ 689.695768] ? mark_held_locks+0x130/0x130 [ 689.700003] ? mark_held_locks+0x130/0x130 [ 689.704246] dump_header+0x27b/0xf72 [ 689.707972] ? pagefault_out_of_memory+0x197/0x197 [ 689.712907] ? __lock_acquire+0x62f/0x4c20 [ 689.717156] ? percpu_ref_get_many+0x240/0x240 [ 689.721748] ? print_usage_bug+0xc0/0xc0 [ 689.725821] ? zap_class+0x640/0x640 [ 689.729540] ? print_usage_bug+0xc0/0xc0 [ 689.733600] ? print_usage_bug+0xc0/0xc0 [ 689.737666] ? zap_class+0x640/0x640 [ 689.741384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.746926] ? find_held_lock+0x36/0x1c0 [ 689.750998] ? mark_held_locks+0xc7/0x130 [ 689.755155] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 689.760265] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 689.765376] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 689.769959] ? trace_hardirqs_on+0xbd/0x310 [ 689.774280] ? kasan_check_read+0x11/0x20 [ 689.778441] ? ___ratelimit+0x3b4/0x672 [ 689.782419] ? trace_hardirqs_off_caller+0x310/0x310 [ 689.787531] ? trace_hardirqs_on+0x310/0x310 [ 689.791940] ? lock_downgrade+0x900/0x900 [ 689.796094] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 689.801205] ? ___ratelimit+0x3b9/0x672 [ 689.805178] ? idr_get_free+0xf70/0xf70 [ 689.809154] ? find_held_lock+0x36/0x1c0 [ 689.813233] oom_kill_process.cold.27+0x10/0x903 [ 689.817992] ? zap_class+0x640/0x640 [ 689.821706] ? check_preemption_disabled+0x48/0x280 [ 689.826730] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 689.831656] ? kasan_check_read+0x11/0x20 [ 689.835812] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 689.841087] ? oom_evaluate_task+0x540/0x540 [ 689.845512] ? find_held_lock+0x36/0x1c0 [ 689.849596] ? out_of_memory+0x974/0x1430 [ 689.853743] ? lock_downgrade+0x900/0x900 [ 689.857887] ? check_preemption_disabled+0x48/0x280 [ 689.862918] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 689.867844] ? kasan_check_read+0x11/0x20 [ 689.871986] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 689.877258] ? rcu_softirq_qs+0x20/0x20 [ 689.881239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.886776] ? oom_evaluate_task+0x302/0x540 [ 689.891197] out_of_memory+0xa84/0x1430 [ 689.895179] ? oom_killer_disable+0x3a0/0x3a0 [ 689.899681] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 689.904609] ? __ww_mutex_check_waiters+0x160/0x160 [ 689.909637] __alloc_pages_slowpath+0x2354/0x2e10 [ 689.914513] ? warn_alloc+0x120/0x120 [ 689.918313] ? mark_held_locks+0x130/0x130 [ 689.922550] ? find_get_entry+0xaae/0x1120 [ 689.926793] ? filemap_map_pages+0x1a20/0x1a20 [ 689.931396] ? zap_class+0x640/0x640 [ 689.935121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.940657] ? check_preemption_disabled+0x48/0x280 [ 689.945678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.951218] ? should_fail+0x22d/0xd01 [ 689.955123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 689.960241] ? zap_class+0x640/0x640 [ 689.963993] ? __lock_is_held+0xb5/0x140 [ 689.968060] ? mark_held_locks+0x130/0x130 [ 689.972346] ? lock_release+0xa00/0xa00 [ 689.976327] ? perf_trace_sched_process_exec+0x860/0x860 [ 689.981776] ? xa_load+0x2ba/0x460 [ 689.985319] ? lock_downgrade+0x900/0x900 [ 689.989468] ? __might_sleep+0x95/0x190 [ 689.993459] __alloc_pages_nodemask+0xa80/0xde0 [ 689.998137] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 690.003151] ? __page_cache_alloc+0x191/0x5c0 [ 690.007650] ? xa_load+0x2e1/0x460 [ 690.011201] ? xa_clear_mark+0x40/0x40 [ 690.015093] ? zap_class+0x640/0x640 [ 690.018830] ? zap_class+0x640/0x640 [ 690.022544] ? zap_class+0x640/0x640 [ 690.026272] ? __do_page_cache_readahead+0x663/0x810 [ 690.031382] ? find_held_lock+0x36/0x1c0 [ 690.035458] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 690.041002] alloc_pages_current+0x173/0x350 [ 690.045437] __page_cache_alloc+0x38c/0x5c0 [ 690.049758] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 690.054685] ? kasan_check_read+0x11/0x20 [ 690.058866] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 690.064140] ? generic_perform_write+0x6a0/0x6a0 [ 690.068896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.074472] ? check_preemption_disabled+0x48/0x280 [ 690.079502] filemap_fault+0x1595/0x25f0 [ 690.083579] ? __lock_page_or_retry+0xa00/0xa00 [ 690.088249] ? mark_held_locks+0x130/0x130 [ 690.092508] ? filemap_map_pages+0xd6b/0x1a20 [ 690.097019] ? lock_downgrade+0x900/0x900 [ 690.101170] ? check_preemption_disabled+0x48/0x280 [ 690.106681] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 690.111608] ? kasan_check_read+0x11/0x20 [ 690.115754] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 690.121029] ? rcu_softirq_qs+0x20/0x20 [ 690.125015] ? filemap_map_pages+0xd92/0x1a20 [ 690.129526] ? find_get_entries_tag+0x1400/0x1400 [ 690.134393] ? debug_object_destroy+0x2b0/0x2b0 [ 690.139099] ? lock_pi_update_atomic+0x150/0x150 [ 690.143856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.149412] ? lock_acquire+0x1ed/0x520 [ 690.153397] ? ext4_filemap_fault+0x7a/0xad [ 690.157737] ? lock_release+0xa00/0xa00 [ 690.161709] ? perf_trace_sched_process_exec+0x860/0x860 [ 690.167193] ? print_usage_bug+0xc0/0xc0 [ 690.171270] ? print_usage_bug+0xc0/0xc0 [ 690.175337] ? down_read+0x8d/0x120 [ 690.178956] ? ext4_filemap_fault+0x7a/0xad [ 690.183301] ? __down_interruptible+0x700/0x700 [ 690.187992] ext4_filemap_fault+0x82/0xad [ 690.192152] __do_fault+0x100/0x6b0 [ 690.195779] ? find_held_lock+0x36/0x1c0 [ 690.199842] ? pmd_devmap_trans_unstable+0x220/0x220 [ 690.204947] ? mark_held_locks+0x130/0x130 [ 690.209179] ? mark_held_locks+0x130/0x130 [ 690.213435] ? debug_smp_processor_id+0x1c/0x20 [ 690.218108] ? perf_trace_lock+0x14d/0x7a0 [ 690.222343] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 690.226931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.232478] __handle_mm_fault+0x3ea0/0x5be0 [ 690.236898] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 690.241742] ? lock_is_held_type+0x210/0x210 [ 690.246155] ? preempt_notifier_register+0x200/0x200 [ 690.251258] ? __switch_to_asm+0x34/0x70 [ 690.255319] ? __switch_to_asm+0x34/0x70 [ 690.259391] ? zap_class+0x640/0x640 [ 690.263114] ? zap_class+0x640/0x640 [ 690.266825] ? __x64_sys_futex+0x53e/0x6a0 [ 690.271060] ? find_held_lock+0x36/0x1c0 [ 690.275128] ? handle_mm_fault+0x42a/0xc70 [ 690.279364] ? lock_downgrade+0x900/0x900 [ 690.283511] ? check_preemption_disabled+0x48/0x280 [ 690.288531] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 690.293456] ? kasan_check_read+0x11/0x20 [ 690.297600] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 690.302871] ? rcu_softirq_qs+0x20/0x20 [ 690.306846] ? trace_hardirqs_off_caller+0x310/0x310 [ 690.311950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.317490] ? check_preemption_disabled+0x48/0x280 [ 690.322513] handle_mm_fault+0x54f/0xc70 [ 690.326581] ? __handle_mm_fault+0x5be0/0x5be0 [ 690.331169] ? find_vma+0x34/0x190 [ 690.334720] __do_page_fault+0x5e8/0xe60 [ 690.338797] ? trace_hardirqs_off+0xb8/0x310 [ 690.343218] do_page_fault+0xf2/0x7e0 [ 690.347035] ? vmalloc_sync_all+0x30/0x30 [ 690.351186] ? error_entry+0x70/0xd0 [ 690.354902] ? trace_hardirqs_off_caller+0xbb/0x310 [ 690.359916] ? trace_hardirqs_on_caller+0xc0/0x310 [ 690.364844] ? syscall_return_slowpath+0x5e0/0x5e0 [ 690.369773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 690.374615] ? trace_hardirqs_on_caller+0x310/0x310 [ 690.379633] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 690.385087] ? prepare_exit_to_usermode+0x291/0x3b0 [ 690.390132] ? page_fault+0x8/0x30 [ 690.393673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 690.398533] ? page_fault+0x8/0x30 [ 690.402101] page_fault+0x1e/0x30 [ 690.405550] RIP: 0033:0x40f9c0 [ 690.408755] Code: Bad RIP value. [ 690.412131] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 690.417491] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 690.424757] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 690.432025] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 690.439307] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 690.446568] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 690.453859] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 690.453924] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 690.461130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 690.461135] Call Trace: [ 690.461142] [ 690.461161] dump_stack+0x244/0x39d [ 690.461180] ? dump_stack_print_info.cold.1+0x20/0x20 [ 690.467807] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 690.477063] warn_alloc.cold.116+0xb7/0x1bd [ 690.479612] syz-fuzzer cpuset=/ mems_allowed=0 [ 690.481752] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 690.514438] ? lock_downgrade+0x900/0x900 [ 690.518615] ? trace_hardirqs_off+0xb8/0x310 [ 690.523044] ? trace_hardirqs_off+0xb8/0x310 [ 690.527462] __alloc_pages_slowpath+0x26e8/0x2e10 [ 690.532335] ? warn_alloc+0x120/0x120 [ 690.536139] ? print_usage_bug+0xc0/0xc0 [ 690.540200] ? warn_alloc+0x120/0x120 [ 690.544009] ? warn_alloc+0x120/0x120 [ 690.547811] ? print_usage_bug+0xc0/0xc0 [ 690.551875] ? print_usage_bug+0xc0/0xc0 [ 690.555935] ? __lock_acquire+0x62f/0x4c20 [ 690.560171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.565743] ? should_fail+0x22d/0xd01 [ 690.569635] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 690.574742] ? __lock_acquire+0x62f/0x4c20 [ 690.578980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 690.584098] ? __lock_acquire+0x62f/0x4c20 [ 690.588328] ? should_fail+0x22d/0xd01 [ 690.592229] ? find_held_lock+0x36/0x1c0 [ 690.596295] ? mark_held_locks+0x130/0x130 [ 690.600538] ? mark_held_locks+0x130/0x130 [ 690.604770] ? zap_class+0x640/0x640 [ 690.608486] ? zap_class+0x640/0x640 [ 690.612217] ? print_usage_bug+0xc0/0xc0 [ 690.616277] ? do_raw_spin_unlock+0xa7/0x330 [ 690.620689] ? zap_class+0x640/0x640 [ 690.624405] ? print_usage_bug+0xc0/0xc0 [ 690.628468] ? wq_watchdog_touch+0x9c/0xfe [ 690.632725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.638265] ? check_preemption_disabled+0x48/0x280 [ 690.643289] ? __lock_is_held+0xb5/0x140 [ 690.647360] __alloc_pages_nodemask+0xa80/0xde0 [ 690.652049] ? zap_class+0x640/0x640 [ 690.655781] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 690.660812] ? find_held_lock+0x36/0x1c0 [ 690.664883] ? ____cache_alloc_node+0x1c7/0x1e0 [ 690.669554] ? lock_downgrade+0x900/0x900 [ 690.673716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.679260] cache_grow_begin+0xa5/0x8c0 [ 690.683322] ? do_raw_spin_unlock+0xa7/0x330 [ 690.687773] fallback_alloc+0x204/0x2e0 [ 690.691751] ____cache_alloc_node+0x1c7/0x1e0 [ 690.696253] kmem_cache_alloc_node+0xe3/0x730 [ 690.700752] ? ipv6_get_ifaddr+0x42e/0x620 [ 690.705009] __alloc_skb+0x119/0x770 [ 690.708721] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 690.714005] ? netdev_alloc_frag+0x1f0/0x1f0 [ 690.718412] ? lock_downgrade+0x900/0x900 [ 690.722578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.728131] ? refcount_sub_and_test_checked+0x203/0x310 [ 690.733589] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 690.739037] ? addrconf_rs_timer+0x690/0x690 [ 690.743476] ndisc_alloc_skb+0x144/0x340 [ 690.747538] ndisc_send_rs+0x331/0x6e0 [ 690.751438] addrconf_rs_timer+0x314/0x690 [ 690.755698] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 690.759960] call_timer_fn+0x272/0x920 [ 690.763844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 690.768078] ? process_timeout+0x40/0x40 [ 690.772144] ? __run_timers+0x7da/0xc70 [ 690.776120] ? _raw_spin_unlock_irq+0x27/0x80 [ 690.780614] ? _raw_spin_unlock_irq+0x27/0x80 [ 690.785105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 690.789337] ? lockdep_hardirqs_on+0x296/0x5b0 [ 690.793918] ? trace_hardirqs_on+0xbd/0x310 [ 690.798235] ? kasan_check_read+0x11/0x20 [ 690.802397] ? __run_timers+0x7da/0xc70 [ 690.806381] ? trace_hardirqs_off_caller+0x310/0x310 [ 690.811490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 690.815744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 690.819978] __run_timers+0x7e5/0xc70 [ 690.823790] ? timer_fixup_init+0x70/0x70 [ 690.827969] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 690.832994] ? zap_class+0x640/0x640 [ 690.836716] ? enqueue_hrtimer+0x1a5/0x560 [ 690.840955] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 690.846154] ? find_held_lock+0x36/0x1c0 [ 690.850223] ? zap_class+0x640/0x640 [ 690.853944] ? pvclock_read_flags+0x160/0x160 [ 690.858449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.864015] ? check_preemption_disabled+0x48/0x280 [ 690.869084] ? __lock_is_held+0xb5/0x140 [ 690.873141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.878675] ? check_preemption_disabled+0x48/0x280 [ 690.883725] run_timer_softirq+0x52/0xb0 [ 690.887788] ? rcu_read_lock_sched_held+0x14f/0x180 [ 690.892803] __do_softirq+0x308/0xb7e [ 690.896606] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 690.901112] ? lock_downgrade+0x900/0x900 [ 690.905265] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 690.910374] ? pvclock_read_flags+0x160/0x160 [ 690.914883] ? lapic_next_event+0x5a/0x90 [ 690.919031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.924582] ? kvm_clock_read+0x18/0x30 [ 690.928553] ? kvm_sched_clock_read+0x9/0x20 [ 690.932956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.938490] ? check_preemption_disabled+0x48/0x280 [ 690.943526] irq_exit+0x17f/0x1c0 [ 690.946995] smp_apic_timer_interrupt+0x1cb/0x760 [ 690.951848] ? smp_reschedule_interrupt+0x109/0x650 [ 690.956896] ? smp_call_function_single_interrupt+0x650/0x650 [ 690.962790] ? interrupt_entry+0xb5/0xc0 [ 690.966853] ? trace_hardirqs_off_caller+0xbb/0x310 [ 690.971865] ? trace_hardirqs_off_caller+0xbb/0x310 [ 690.977103] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 690.981958] ? trace_hardirqs_on_caller+0x310/0x310 [ 690.986990] ? trace_hardirqs_on_caller+0x310/0x310 [ 690.992002] ? task_prio+0x50/0x50 [ 690.995548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.001106] ? check_preemption_disabled+0x48/0x280 [ 691.006127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.010976] apic_timer_interrupt+0xf/0x20 [ 691.015209] [ 691.017473] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 691.022403] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 691.041314] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 691.049020] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 691.056291] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 691.063562] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 691.070840] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 691.078103] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 691.085433] skb_clone+0x1bb/0x500 [ 691.088991] ? finish_task_switch+0x1b4/0x910 [ 691.093491] ? skb_split+0x11e0/0x11e0 [ 691.097385] ? preempt_notifier_register+0x200/0x200 [ 691.102488] ? __switch_to_asm+0x34/0x70 [ 691.106547] ? __switch_to_asm+0x34/0x70 [ 691.110604] ? __switch_to_asm+0x40/0x70 [ 691.114781] ? __switch_to_asm+0x34/0x70 [ 691.118857] ? __switch_to_asm+0x40/0x70 [ 691.122918] ? __switch_to_asm+0x34/0x70 [ 691.127109] ? __switch_to_asm+0x40/0x70 [ 691.131169] ? __switch_to_asm+0x34/0x70 [ 691.135231] ? __switch_to_asm+0x34/0x70 [ 691.139333] ? __switch_to_asm+0x40/0x70 [ 691.143404] ? __switch_to_asm+0x34/0x70 [ 691.147478] bpf_clone_redirect+0xb9/0x490 [ 691.151716] ? __schedule+0x8d7/0x21d0 [ 691.155611] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 691.160627] ? __sched_text_start+0x8/0x8 [ 691.164790] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 691.169373] ? retint_kernel+0x2d/0x2d [ 691.173261] ? trace_hardirqs_on_caller+0xc0/0x310 [ 691.178193] ? find_held_lock+0x36/0x1c0 [ 691.182262] ? lock_acquire+0x1ed/0x520 [ 691.186239] ? bpf_test_run+0x3cb/0x780 [ 691.190216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.195761] ? check_preemption_disabled+0x48/0x280 [ 691.200785] ? kasan_check_read+0x11/0x20 [ 691.204935] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.210212] ? rcu_softirq_qs+0x20/0x20 [ 691.214219] ? preempt_schedule+0x4d/0x60 [ 691.218374] ? ___preempt_schedule+0x16/0x18 [ 691.222809] ? bpf_test_run+0x25d/0x780 [ 691.226796] ? netlink_diag_dump+0x2a0/0x2a0 [ 691.231211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 691.236752] ? bpf_test_init.isra.10+0x70/0x100 [ 691.241449] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 691.246234] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 691.251077] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 691.256615] ? fput+0x130/0x1a0 [ 691.259899] ? __bpf_prog_get+0x9b/0x290 [ 691.263965] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 691.268808] ? bpf_prog_test_run+0x130/0x1a0 [ 691.273224] ? __x64_sys_bpf+0x3d8/0x520 [ 691.277306] ? bpf_prog_get+0x20/0x20 [ 691.281157] ? do_syscall_64+0x1b9/0x820 [ 691.285219] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 691.290587] ? syscall_return_slowpath+0x5e0/0x5e0 [ 691.295520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.300395] ? trace_hardirqs_on_caller+0x310/0x310 [ 691.305418] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 691.310481] ? prepare_exit_to_usermode+0x291/0x3b0 [ 691.315512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.320364] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 691.325753] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 691.325759] warn_alloc_show_mem: 1 callbacks suppressed [ 691.325766] Mem-Info: [ 691.332777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 691.338176] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 691.338176] active_file:14 inactive_file:14 isolated_file:0 [ 691.338176] unevictable:0 dirty:0 writeback:0 unstable:0 [ 691.338176] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 691.338176] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 691.338176] free:13772 free_pcp:380 free_cma:0 [ 691.340545] Call Trace: [ 691.349937] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 691.383056] [ 691.385630] 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 [ 691.413489] dump_stack+0x244/0x39d [ 691.415610] lowmem_reserve[]: 0 2818 6321 6321 [ 691.441716] ? dump_stack_print_info.cold.1+0x20/0x20 [ 691.445338] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 691.449922] warn_alloc.cold.116+0xb7/0x1bd [ 691.455085] lowmem_reserve[]: 0 0 3503 3503 [ 691.482582] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 691.486879] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 691.491201] ? lock_downgrade+0x900/0x900 [ 691.496011] lowmem_reserve[]: 0 0 0 0 [ 691.525156] ? trace_hardirqs_off+0xb8/0x310 [ 691.529273] 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 [ 691.533280] ? trace_hardirqs_off+0xb8/0x310 [ 691.537659] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 691.551212] __alloc_pages_slowpath+0x26e8/0x2e10 [ 691.555598] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 691.570879] ? warn_alloc+0x120/0x120 [ 691.575680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 691.590061] ? print_usage_bug+0xc0/0xc0 [ 691.593844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 691.602667] ? warn_alloc+0x120/0x120 [ 691.606705] 12557 total pagecache pages [ 691.615278] ? warn_alloc+0x120/0x120 [ 691.619059] 0 pages in swap cache [ 691.623034] ? print_usage_bug+0xc0/0xc0 [ 691.626816] Swap cache stats: add 0, delete 0, find 0/0 [ 691.630259] ? kvm_clock_read+0x18/0x30 [ 691.634296] Free swap = 0kB [ 691.639654] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 691.643605] Total swap = 0kB [ 691.646616] ? print_usage_bug+0xc0/0xc0 [ 691.651608] 1965979 pages RAM [ 691.654621] ? __lock_acquire+0x62f/0x4c20 [ 691.658654] 0 pages HighMem/MovableOnly [ 691.661757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 691.665968] 342853 pages reserved [ 691.669934] ? should_fail+0x22d/0xd01 [ 691.675454] 0 pages cma reserved [ 691.678899] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.682824] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 691.686123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 691.686138] ? __lock_acquire+0x62f/0x4c20 [ 691.686157] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 691.691480] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 691.697904] ? __lock_acquire+0x62f/0x4c20 [ 691.702981] syz-executor1 cpuset=syz1 mems_allowed=0 [ 691.707208] ? should_fail+0x22d/0xd01 [ 691.707223] ? rcu_irq_exit+0x1a2/0x390 [ 691.739916] ? mark_held_locks+0x130/0x130 [ 691.744156] ? mark_held_locks+0x130/0x130 [ 691.748402] ? mark_held_locks+0xc7/0x130 [ 691.752557] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 691.757571] ? zap_class+0x640/0x640 [ 691.761287] ? print_usage_bug+0xc0/0xc0 [ 691.765358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.770897] ? check_preemption_disabled+0x48/0x280 [ 691.775923] ? __lock_is_held+0xb5/0x140 [ 691.779996] __alloc_pages_nodemask+0xa80/0xde0 [ 691.784669] ? zap_class+0x640/0x640 [ 691.788388] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 691.793442] ? find_held_lock+0x36/0x1c0 [ 691.797516] ? ____cache_alloc_node+0x1c7/0x1e0 [ 691.802194] ? lock_downgrade+0x900/0x900 [ 691.806348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.811909] cache_grow_begin+0xa5/0x8c0 [ 691.815970] ? do_raw_spin_unlock+0xa7/0x330 [ 691.820390] fallback_alloc+0x204/0x2e0 [ 691.824373] ____cache_alloc_node+0x1c7/0x1e0 [ 691.828875] kmem_cache_alloc_node+0xe3/0x730 [ 691.833374] ? ipv6_get_ifaddr+0x42e/0x620 [ 691.837651] __alloc_skb+0x119/0x770 [ 691.841384] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.846667] ? netdev_alloc_frag+0x1f0/0x1f0 [ 691.851074] ? lock_downgrade+0x900/0x900 [ 691.855240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.860781] ? refcount_sub_and_test_checked+0x203/0x310 [ 691.866234] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 691.871687] ? addrconf_rs_timer+0x690/0x690 [ 691.876107] ndisc_alloc_skb+0x144/0x340 [ 691.880171] ndisc_send_rs+0x331/0x6e0 [ 691.884069] addrconf_rs_timer+0x314/0x690 [ 691.888312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.892561] call_timer_fn+0x272/0x920 [ 691.896456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.900688] ? process_timeout+0x40/0x40 [ 691.904759] ? mark_held_locks+0xc7/0x130 [ 691.908921] ? _raw_spin_unlock_irq+0x27/0x80 [ 691.913413] ? _raw_spin_unlock_irq+0x27/0x80 [ 691.917930] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.922196] ? lockdep_hardirqs_on+0x296/0x5b0 [ 691.926783] ? trace_hardirqs_on+0xbd/0x310 [ 691.931105] ? kasan_check_read+0x11/0x20 [ 691.935246] ? __run_timers+0x7da/0xc70 [ 691.939218] ? trace_hardirqs_off_caller+0x310/0x310 [ 691.944328] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.948571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 691.952807] __run_timers+0x7e5/0xc70 [ 691.956633] ? timer_fixup_init+0x70/0x70 [ 691.960787] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 691.965808] ? zap_class+0x640/0x640 [ 691.969530] ? print_usage_bug+0xc0/0xc0 [ 691.973593] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 691.978792] ? find_held_lock+0x36/0x1c0 [ 691.982858] ? zap_class+0x640/0x640 [ 691.986580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.992120] ? check_preemption_disabled+0x48/0x280 [ 691.997167] ? __lock_is_held+0xb5/0x140 [ 692.001258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.006793] ? check_preemption_disabled+0x48/0x280 [ 692.011829] run_timer_softirq+0x52/0xb0 [ 692.015890] ? rcu_read_lock_sched_held+0x14f/0x180 [ 692.020905] __do_softirq+0x308/0xb7e [ 692.024741] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 692.029239] ? lock_downgrade+0x900/0x900 [ 692.033391] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 692.038513] ? pvclock_read_flags+0x160/0x160 [ 692.043014] ? lapic_next_event+0x5a/0x90 [ 692.047165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.052777] ? kvm_clock_read+0x18/0x30 [ 692.056779] ? kvm_sched_clock_read+0x9/0x20 [ 692.061192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.066732] ? check_preemption_disabled+0x48/0x280 [ 692.071758] irq_exit+0x17f/0x1c0 [ 692.075213] smp_apic_timer_interrupt+0x1cb/0x760 [ 692.080056] ? smp_reschedule_interrupt+0x109/0x650 [ 692.085076] ? smp_call_function_single_interrupt+0x650/0x650 [ 692.090961] ? interrupt_entry+0xb5/0xc0 [ 692.095026] ? trace_hardirqs_off_caller+0xbb/0x310 [ 692.100048] ? trace_hardirqs_off_caller+0xbb/0x310 [ 692.105077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.110435] ? trace_hardirqs_on_caller+0x310/0x310 [ 692.115459] ? trace_hardirqs_on_caller+0x310/0x310 [ 692.120478] ? task_prio+0x50/0x50 [ 692.124020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.130204] ? check_preemption_disabled+0x48/0x280 [ 692.135232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.140083] apic_timer_interrupt+0xf/0x20 [ 692.144308] [ 692.146554] RIP: 0010:dump_stack+0x20e/0x39d [ 692.150962] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 692.169861] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 692.177565] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 692.184847] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 692.192129] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 692.199472] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 692.206739] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 692.214055] ? dump_stack+0x205/0x39d [ 692.217872] ? dump_stack_print_info.cold.1+0x20/0x20 [ 692.223068] ? mark_held_locks+0x130/0x130 [ 692.227303] ? mark_held_locks+0x130/0x130 [ 692.231547] dump_header+0x27b/0xf72 [ 692.235287] ? pagefault_out_of_memory+0x197/0x197 [ 692.240228] ? __lock_acquire+0x62f/0x4c20 [ 692.244467] ? percpu_ref_get_many+0x240/0x240 [ 692.249054] ? print_usage_bug+0xc0/0xc0 [ 692.253166] ? zap_class+0x640/0x640 [ 692.256888] ? print_usage_bug+0xc0/0xc0 [ 692.260952] ? print_usage_bug+0xc0/0xc0 [ 692.265017] ? zap_class+0x640/0x640 [ 692.268747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.274303] ? find_held_lock+0x36/0x1c0 [ 692.278374] ? mark_held_locks+0xc7/0x130 [ 692.282537] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 692.287638] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 692.292743] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 692.297327] ? trace_hardirqs_on+0xbd/0x310 [ 692.301649] ? kasan_check_read+0x11/0x20 [ 692.305813] ? ___ratelimit+0x3b4/0x672 [ 692.309790] ? trace_hardirqs_off_caller+0x310/0x310 [ 692.314894] ? trace_hardirqs_on+0x310/0x310 [ 692.319305] ? lock_downgrade+0x900/0x900 [ 692.323468] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 692.328578] ? ___ratelimit+0x3b9/0x672 [ 692.332558] ? idr_get_free+0xf70/0xf70 [ 692.336538] ? find_held_lock+0x36/0x1c0 [ 692.340614] oom_kill_process.cold.27+0x10/0x903 [ 692.345384] ? zap_class+0x640/0x640 [ 692.349101] ? check_preemption_disabled+0x48/0x280 [ 692.354132] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 692.359319] ? kasan_check_read+0x11/0x20 [ 692.363467] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 692.368744] ? oom_evaluate_task+0x540/0x540 [ 692.373169] ? find_held_lock+0x36/0x1c0 [ 692.377240] ? out_of_memory+0x974/0x1430 [ 692.381388] ? lock_downgrade+0x900/0x900 [ 692.385552] ? check_preemption_disabled+0x48/0x280 [ 692.390573] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 692.395516] ? kasan_check_read+0x11/0x20 [ 692.399678] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 692.404958] ? rcu_softirq_qs+0x20/0x20 [ 692.408940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.414479] ? oom_evaluate_task+0x302/0x540 [ 692.418896] out_of_memory+0xa84/0x1430 [ 692.422895] ? oom_killer_disable+0x3a0/0x3a0 [ 692.427394] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 692.432333] ? __ww_mutex_check_waiters+0x160/0x160 [ 692.437362] __alloc_pages_slowpath+0x2354/0x2e10 [ 692.442238] ? warn_alloc+0x120/0x120 [ 692.446039] ? mark_held_locks+0x130/0x130 [ 692.450284] ? find_get_entry+0xaae/0x1120 [ 692.454528] ? filemap_map_pages+0x1a20/0x1a20 [ 692.459162] ? zap_class+0x640/0x640 [ 692.462888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.468490] ? check_preemption_disabled+0x48/0x280 [ 692.473510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.479065] ? should_fail+0x22d/0xd01 [ 692.482972] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 692.488083] ? zap_class+0x640/0x640 [ 692.491823] ? __lock_is_held+0xb5/0x140 [ 692.495894] ? mark_held_locks+0x130/0x130 [ 692.500136] ? lock_release+0xa00/0xa00 [ 692.504150] ? perf_trace_sched_process_exec+0x860/0x860 [ 692.509608] ? xa_load+0x2ba/0x460 [ 692.513152] ? lock_downgrade+0x900/0x900 [ 692.517311] ? __might_sleep+0x95/0x190 [ 692.521318] __alloc_pages_nodemask+0xa80/0xde0 [ 692.525994] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 692.531013] ? __page_cache_alloc+0x191/0x5c0 [ 692.535510] ? xa_load+0x2e1/0x460 [ 692.539051] ? xa_clear_mark+0x40/0x40 [ 692.542945] ? zap_class+0x640/0x640 [ 692.546670] ? zap_class+0x640/0x640 [ 692.550386] ? zap_class+0x640/0x640 [ 692.554100] ? __do_page_cache_readahead+0x663/0x810 [ 692.559222] ? find_held_lock+0x36/0x1c0 [ 692.563290] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 692.568835] alloc_pages_current+0x173/0x350 [ 692.573257] __page_cache_alloc+0x38c/0x5c0 [ 692.577580] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 692.582511] ? kasan_check_read+0x11/0x20 [ 692.586663] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 692.591947] ? generic_perform_write+0x6a0/0x6a0 [ 692.596709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.602254] ? check_preemption_disabled+0x48/0x280 [ 692.607285] filemap_fault+0x1595/0x25f0 [ 692.611363] ? __lock_page_or_retry+0xa00/0xa00 [ 692.616037] ? mark_held_locks+0x130/0x130 [ 692.620285] ? filemap_map_pages+0xd6b/0x1a20 [ 692.624800] ? lock_downgrade+0x900/0x900 [ 692.628950] ? check_preemption_disabled+0x48/0x280 [ 692.633973] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 692.638902] ? kasan_check_read+0x11/0x20 [ 692.643048] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 692.648325] ? rcu_softirq_qs+0x20/0x20 [ 692.652327] ? filemap_map_pages+0xd92/0x1a20 [ 692.656851] ? find_get_entries_tag+0x1400/0x1400 [ 692.661713] ? debug_object_destroy+0x2b0/0x2b0 [ 692.666385] ? lock_pi_update_atomic+0x150/0x150 [ 692.671159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.676729] ? lock_acquire+0x1ed/0x520 [ 692.680718] ? ext4_filemap_fault+0x7a/0xad [ 692.685063] ? lock_release+0xa00/0xa00 [ 692.689034] ? perf_trace_sched_process_exec+0x860/0x860 [ 692.694501] ? print_usage_bug+0xc0/0xc0 [ 692.698562] ? print_usage_bug+0xc0/0xc0 [ 692.702635] ? down_read+0x8d/0x120 [ 692.706257] ? ext4_filemap_fault+0x7a/0xad [ 692.710580] ? __down_interruptible+0x700/0x700 [ 692.715445] ext4_filemap_fault+0x82/0xad [ 692.719600] __do_fault+0x100/0x6b0 [ 692.723224] ? find_held_lock+0x36/0x1c0 [ 692.727290] ? pmd_devmap_trans_unstable+0x220/0x220 [ 692.732396] ? mark_held_locks+0x130/0x130 [ 692.736639] ? mark_held_locks+0x130/0x130 [ 692.740880] ? debug_smp_processor_id+0x1c/0x20 [ 692.745549] ? perf_trace_lock+0x14d/0x7a0 [ 692.749782] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 692.754377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.759924] __handle_mm_fault+0x3ea0/0x5be0 [ 692.764373] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 692.769219] ? lock_is_held_type+0x210/0x210 [ 692.773639] ? preempt_notifier_register+0x200/0x200 [ 692.778744] ? __switch_to_asm+0x34/0x70 [ 692.782809] ? __switch_to_asm+0x34/0x70 [ 692.786885] ? zap_class+0x640/0x640 [ 692.790598] ? zap_class+0x640/0x640 [ 692.794315] ? __x64_sys_futex+0x53e/0x6a0 [ 692.798558] ? find_held_lock+0x36/0x1c0 [ 692.802640] ? handle_mm_fault+0x42a/0xc70 [ 692.806877] ? lock_downgrade+0x900/0x900 [ 692.811029] ? check_preemption_disabled+0x48/0x280 [ 692.816053] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 692.820983] ? kasan_check_read+0x11/0x20 [ 692.825136] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 692.830414] ? rcu_softirq_qs+0x20/0x20 [ 692.834401] ? trace_hardirqs_off_caller+0x310/0x310 [ 692.839513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.845053] ? check_preemption_disabled+0x48/0x280 [ 692.850080] handle_mm_fault+0x54f/0xc70 [ 692.854145] ? __handle_mm_fault+0x5be0/0x5be0 [ 692.858737] ? find_vma+0x34/0x190 [ 692.862286] __do_page_fault+0x5e8/0xe60 [ 692.866349] ? trace_hardirqs_off+0xb8/0x310 [ 692.870773] do_page_fault+0xf2/0x7e0 [ 692.874579] ? vmalloc_sync_all+0x30/0x30 [ 692.878728] ? error_entry+0x70/0xd0 [ 692.882449] ? trace_hardirqs_off_caller+0xbb/0x310 [ 692.887463] ? trace_hardirqs_on_caller+0xc0/0x310 [ 692.892393] ? syscall_return_slowpath+0x5e0/0x5e0 [ 692.897329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.902171] ? trace_hardirqs_on_caller+0x310/0x310 [ 692.907195] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 692.912652] ? prepare_exit_to_usermode+0x291/0x3b0 [ 692.917668] ? page_fault+0x8/0x30 [ 692.921220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 692.926063] ? page_fault+0x8/0x30 [ 692.929607] page_fault+0x1e/0x30 [ 692.933082] RIP: 0033:0x40f9c0 [ 692.936286] Code: Bad RIP value. [ 692.939650] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 692.945011] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 692.952307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 692.959572] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 692.966841] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 692.974108] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 692.981540] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 692.981607] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 692.988814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 692.988819] Call Trace: [ 692.988826] [ 692.988849] dump_stack+0x244/0x39d [ 692.988868] ? dump_stack_print_info.cold.1+0x20/0x20 [ 692.995392] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 693.004707] warn_alloc.cold.116+0xb7/0x1bd [ 693.007264] syz-fuzzer cpuset=/ mems_allowed=0 [ 693.009407] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 693.042121] ? lock_downgrade+0x900/0x900 [ 693.046294] ? trace_hardirqs_off+0xb8/0x310 [ 693.050730] ? trace_hardirqs_off+0xb8/0x310 [ 693.055148] __alloc_pages_slowpath+0x26e8/0x2e10 [ 693.060036] ? warn_alloc+0x120/0x120 [ 693.063841] ? print_usage_bug+0xc0/0xc0 [ 693.067903] ? warn_alloc+0x120/0x120 [ 693.071711] ? warn_alloc+0x120/0x120 [ 693.075516] ? print_usage_bug+0xc0/0xc0 [ 693.079585] ? print_usage_bug+0xc0/0xc0 [ 693.083647] ? __lock_acquire+0x62f/0x4c20 [ 693.087890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 693.093437] ? should_fail+0x22d/0xd01 [ 693.097332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 693.102459] ? __lock_acquire+0x62f/0x4c20 [ 693.106710] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 693.111817] ? __lock_acquire+0x62f/0x4c20 [ 693.116059] ? should_fail+0x22d/0xd01 [ 693.119946] ? find_held_lock+0x36/0x1c0 [ 693.124043] ? mark_held_locks+0x130/0x130 [ 693.128317] ? mark_held_locks+0x130/0x130 [ 693.132549] ? zap_class+0x640/0x640 [ 693.136277] ? zap_class+0x640/0x640 [ 693.139993] ? print_usage_bug+0xc0/0xc0 [ 693.144050] ? do_raw_spin_unlock+0xa7/0x330 [ 693.148471] ? zap_class+0x640/0x640 [ 693.152182] ? print_usage_bug+0xc0/0xc0 [ 693.156240] ? wq_watchdog_touch+0x9c/0xfe [ 693.160483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.166037] ? check_preemption_disabled+0x48/0x280 [ 693.171059] ? __lock_is_held+0xb5/0x140 [ 693.175145] __alloc_pages_nodemask+0xa80/0xde0 [ 693.179813] ? zap_class+0x640/0x640 [ 693.183533] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 693.188563] ? find_held_lock+0x36/0x1c0 [ 693.192640] ? ____cache_alloc_node+0x1c7/0x1e0 [ 693.197318] ? lock_downgrade+0x900/0x900 [ 693.201478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.207027] cache_grow_begin+0xa5/0x8c0 [ 693.211092] ? do_raw_spin_unlock+0xa7/0x330 [ 693.215512] fallback_alloc+0x204/0x2e0 [ 693.219497] ____cache_alloc_node+0x1c7/0x1e0 [ 693.223999] kmem_cache_alloc_node+0xe3/0x730 [ 693.228495] ? ipv6_get_ifaddr+0x42e/0x620 [ 693.232740] __alloc_skb+0x119/0x770 [ 693.236460] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 693.241747] ? netdev_alloc_frag+0x1f0/0x1f0 [ 693.246157] ? lock_downgrade+0x900/0x900 [ 693.250315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.255855] ? refcount_sub_and_test_checked+0x203/0x310 [ 693.261313] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 693.266776] ? addrconf_rs_timer+0x690/0x690 [ 693.271216] ndisc_alloc_skb+0x144/0x340 [ 693.275296] ndisc_send_rs+0x331/0x6e0 [ 693.279220] addrconf_rs_timer+0x314/0x690 [ 693.283469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.287723] call_timer_fn+0x272/0x920 [ 693.291613] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.295847] ? process_timeout+0x40/0x40 [ 693.299930] ? __run_timers+0x7da/0xc70 [ 693.303908] ? _raw_spin_unlock_irq+0x27/0x80 [ 693.308402] ? _raw_spin_unlock_irq+0x27/0x80 [ 693.312903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.317138] ? lockdep_hardirqs_on+0x296/0x5b0 [ 693.321728] ? trace_hardirqs_on+0xbd/0x310 [ 693.326058] ? kasan_check_read+0x11/0x20 [ 693.330202] ? __run_timers+0x7da/0xc70 [ 693.334180] ? trace_hardirqs_off_caller+0x310/0x310 [ 693.339300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 693.343533] __run_timers+0x7e5/0xc70 [ 693.347344] ? timer_fixup_init+0x70/0x70 [ 693.351511] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 693.356548] ? zap_class+0x640/0x640 [ 693.360266] ? enqueue_hrtimer+0x1a5/0x560 [ 693.364512] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 693.369731] ? find_held_lock+0x36/0x1c0 [ 693.373804] ? zap_class+0x640/0x640 [ 693.377521] ? pvclock_read_flags+0x160/0x160 [ 693.382024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.387562] ? check_preemption_disabled+0x48/0x280 [ 693.392592] ? __lock_is_held+0xb5/0x140 [ 693.396653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.402195] ? check_preemption_disabled+0x48/0x280 [ 693.407220] run_timer_softirq+0x52/0xb0 [ 693.411302] ? rcu_read_lock_sched_held+0x14f/0x180 [ 693.416323] __do_softirq+0x308/0xb7e [ 693.420132] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 693.424631] ? lock_downgrade+0x900/0x900 [ 693.428787] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 693.433898] ? pvclock_read_flags+0x160/0x160 [ 693.438397] ? lapic_next_event+0x5a/0x90 [ 693.442555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.448103] ? kvm_clock_read+0x18/0x30 [ 693.452076] ? kvm_sched_clock_read+0x9/0x20 [ 693.456488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.462029] ? check_preemption_disabled+0x48/0x280 [ 693.467058] irq_exit+0x17f/0x1c0 [ 693.470514] smp_apic_timer_interrupt+0x1cb/0x760 [ 693.475356] ? smp_reschedule_interrupt+0x109/0x650 [ 693.480380] ? smp_call_function_single_interrupt+0x650/0x650 [ 693.486263] ? interrupt_entry+0xb5/0xc0 [ 693.490328] ? trace_hardirqs_off_caller+0xbb/0x310 [ 693.495343] ? trace_hardirqs_off_caller+0xbb/0x310 [ 693.500361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.505207] ? trace_hardirqs_on_caller+0x310/0x310 [ 693.510223] ? trace_hardirqs_on_caller+0x310/0x310 [ 693.515238] ? task_prio+0x50/0x50 [ 693.518784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.524328] ? check_preemption_disabled+0x48/0x280 [ 693.529352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.534203] apic_timer_interrupt+0xf/0x20 [ 693.538438] [ 693.540681] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 693.545614] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 693.564516] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 693.572225] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 693.579494] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 693.586760] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 693.594025] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 693.601290] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 693.608608] skb_clone+0x1bb/0x500 [ 693.612153] ? finish_task_switch+0x1b4/0x910 [ 693.616650] ? skb_split+0x11e0/0x11e0 [ 693.620546] ? preempt_notifier_register+0x200/0x200 [ 693.625653] ? __switch_to_asm+0x34/0x70 [ 693.629719] ? __switch_to_asm+0x34/0x70 [ 693.633781] ? __switch_to_asm+0x40/0x70 [ 693.637838] ? __switch_to_asm+0x34/0x70 [ 693.641893] ? __switch_to_asm+0x40/0x70 [ 693.645950] ? __switch_to_asm+0x34/0x70 [ 693.650007] ? __switch_to_asm+0x40/0x70 [ 693.654072] ? __switch_to_asm+0x34/0x70 [ 693.658138] ? __switch_to_asm+0x34/0x70 [ 693.662193] ? __switch_to_asm+0x40/0x70 [ 693.666250] ? __switch_to_asm+0x34/0x70 [ 693.670317] bpf_clone_redirect+0xb9/0x490 [ 693.674560] ? __schedule+0x8d7/0x21d0 [ 693.678463] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 693.683486] ? __sched_text_start+0x8/0x8 [ 693.687647] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 693.692229] ? retint_kernel+0x2d/0x2d [ 693.696135] ? trace_hardirqs_on_caller+0xc0/0x310 [ 693.701069] ? find_held_lock+0x36/0x1c0 [ 693.705145] ? lock_acquire+0x1ed/0x520 [ 693.709127] ? bpf_test_run+0x3cb/0x780 [ 693.713107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.718652] ? check_preemption_disabled+0x48/0x280 [ 693.723690] ? kasan_check_read+0x11/0x20 [ 693.727840] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 693.733118] ? rcu_softirq_qs+0x20/0x20 [ 693.737096] ? preempt_schedule+0x4d/0x60 [ 693.741249] ? ___preempt_schedule+0x16/0x18 [ 693.745704] ? bpf_test_run+0x25d/0x780 [ 693.749704] ? netlink_diag_dump+0x2a0/0x2a0 [ 693.754134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 693.759668] ? bpf_test_init.isra.10+0x70/0x100 [ 693.764342] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 693.769111] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 693.773952] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 693.779495] ? fput+0x130/0x1a0 [ 693.782779] ? __bpf_prog_get+0x9b/0x290 [ 693.786843] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 693.791689] ? bpf_prog_test_run+0x130/0x1a0 [ 693.796100] ? __x64_sys_bpf+0x3d8/0x520 [ 693.800165] ? bpf_prog_get+0x20/0x20 [ 693.803988] ? do_syscall_64+0x1b9/0x820 [ 693.808046] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 693.813433] ? syscall_return_slowpath+0x5e0/0x5e0 [ 693.818377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.823222] ? trace_hardirqs_on_caller+0x310/0x310 [ 693.828242] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 693.833261] ? prepare_exit_to_usermode+0x291/0x3b0 [ 693.838280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.843132] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 693.848520] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 693.848525] warn_alloc_show_mem: 1 callbacks suppressed [ 693.848532] Mem-Info: [ 693.855538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 693.855547] Call Trace: [ 693.860925] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 693.860925] active_file:14 inactive_file:14 isolated_file:0 [ 693.860925] unevictable:0 dirty:0 writeback:0 unstable:0 [ 693.860925] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 693.860925] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 693.860925] free:13772 free_pcp:380 free_cma:0 [ 693.863297] [ 693.872664] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 693.875247] dump_stack+0x244/0x39d [ 693.908378] 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 [ 693.910541] ? dump_stack_print_info.cold.1+0x20/0x20 [ 693.938349] lowmem_reserve[]: 0 2818 6321 6321 [ 693.942011] warn_alloc.cold.116+0xb7/0x1bd [ 693.968090] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 693.973283] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 693.977834] lowmem_reserve[]: 0 0 3503 3503 [ 693.982169] ? lock_downgrade+0x900/0x900 [ 694.009644] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 694.014489] ? trace_hardirqs_off+0xb8/0x310 [ 694.018780] lowmem_reserve[]: 0 0 0 0 [ 694.022925] ? trace_hardirqs_off+0xb8/0x310 [ 694.052059] 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 [ 694.056478] __alloc_pages_slowpath+0x26e8/0x2e10 [ 694.060240] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 694.064692] ? warn_alloc+0x120/0x120 [ 694.078177] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 694.083034] ? print_usage_bug+0xc0/0xc0 [ 694.098281] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 694.102077] ? warn_alloc+0x120/0x120 [ 694.116590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 694.120656] ? warn_alloc+0x120/0x120 [ 694.129463] 12557 total pagecache pages [ 694.133281] ? print_usage_bug+0xc0/0xc0 [ 694.141831] 0 pages in swap cache [ 694.145636] ? print_usage_bug+0xc0/0xc0 [ 694.149584] Swap cache stats: add 0, delete 0, find 0/0 [ 694.153639] ? __lock_acquire+0x62f/0x4c20 [ 694.157069] Free swap = 0kB [ 694.161129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.166462] Total swap = 0kB [ 694.170689] ? should_fail+0x22d/0xd01 [ 694.173694] 1965979 pages RAM [ 694.179231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 694.182221] 0 pages HighMem/MovableOnly [ 694.186106] ? __lock_acquire+0x62f/0x4c20 [ 694.189178] 342853 pages reserved [ 694.189192] 0 pages cma reserved [ 694.194295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 694.198304] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 694.202462] ? __lock_acquire+0x62f/0x4c20 [ 694.202478] ? should_fail+0x22d/0xd01 [ 694.205971] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 694.209268] ? find_held_lock+0x36/0x1c0 [ 694.214349] syz-executor1 cpuset=syz1 mems_allowed=0 [ 694.220840] ? mark_held_locks+0x130/0x130 [ 694.252764] ? mark_held_locks+0x130/0x130 [ 694.257001] ? zap_class+0x640/0x640 [ 694.260717] ? zap_class+0x640/0x640 [ 694.264442] ? print_usage_bug+0xc0/0xc0 [ 694.268509] ? do_raw_spin_unlock+0xa7/0x330 [ 694.272920] ? zap_class+0x640/0x640 [ 694.276637] ? print_usage_bug+0xc0/0xc0 [ 694.280697] ? wq_watchdog_touch+0x9c/0xfe [ 694.284939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.290484] ? check_preemption_disabled+0x48/0x280 [ 694.295519] ? __lock_is_held+0xb5/0x140 [ 694.299593] __alloc_pages_nodemask+0xa80/0xde0 [ 694.304268] ? zap_class+0x640/0x640 [ 694.307990] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 694.313019] ? find_held_lock+0x36/0x1c0 [ 694.317093] ? ____cache_alloc_node+0x1c7/0x1e0 [ 694.321771] ? lock_downgrade+0x900/0x900 [ 694.325929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.331476] cache_grow_begin+0xa5/0x8c0 [ 694.335544] ? do_raw_spin_unlock+0xa7/0x330 [ 694.339967] fallback_alloc+0x204/0x2e0 [ 694.343956] ____cache_alloc_node+0x1c7/0x1e0 [ 694.348469] kmem_cache_alloc_node+0xe3/0x730 [ 694.352970] ? ipv6_get_ifaddr+0x42e/0x620 [ 694.357227] __alloc_skb+0x119/0x770 [ 694.360944] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 694.366229] ? netdev_alloc_frag+0x1f0/0x1f0 [ 694.370644] ? lock_downgrade+0x900/0x900 [ 694.374803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.380346] ? refcount_sub_and_test_checked+0x203/0x310 [ 694.385805] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 694.391264] ? addrconf_rs_timer+0x690/0x690 [ 694.395688] ndisc_alloc_skb+0x144/0x340 [ 694.399759] ndisc_send_rs+0x331/0x6e0 [ 694.403654] addrconf_rs_timer+0x314/0x690 [ 694.407894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.412146] call_timer_fn+0x272/0x920 [ 694.416034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.420271] ? process_timeout+0x40/0x40 [ 694.424347] ? mark_held_locks+0xc7/0x130 [ 694.428501] ? _raw_spin_unlock_irq+0x27/0x80 [ 694.433002] ? _raw_spin_unlock_irq+0x27/0x80 [ 694.437500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.441744] ? lockdep_hardirqs_on+0x296/0x5b0 [ 694.446333] ? trace_hardirqs_on+0xbd/0x310 [ 694.450661] ? kasan_check_read+0x11/0x20 [ 694.454810] ? __run_timers+0x7da/0xc70 [ 694.458790] ? trace_hardirqs_off_caller+0x310/0x310 [ 694.463906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.468166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 694.472411] __run_timers+0x7e5/0xc70 [ 694.476236] ? timer_fixup_init+0x70/0x70 [ 694.480395] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 694.485421] ? zap_class+0x640/0x640 [ 694.489180] ? print_usage_bug+0xc0/0xc0 [ 694.493253] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 694.498490] ? find_held_lock+0x36/0x1c0 [ 694.502557] ? zap_class+0x640/0x640 [ 694.506283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.511827] ? check_preemption_disabled+0x48/0x280 [ 694.516859] ? __lock_is_held+0xb5/0x140 [ 694.520923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.526467] ? check_preemption_disabled+0x48/0x280 [ 694.531495] run_timer_softirq+0x52/0xb0 [ 694.535559] ? rcu_read_lock_sched_held+0x14f/0x180 [ 694.540576] __do_softirq+0x308/0xb7e [ 694.544382] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 694.548879] ? lock_downgrade+0x900/0x900 [ 694.553036] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 694.558150] ? pvclock_read_flags+0x160/0x160 [ 694.562653] ? lapic_next_event+0x5a/0x90 [ 694.566808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.572353] ? kvm_clock_read+0x18/0x30 [ 694.576333] ? kvm_sched_clock_read+0x9/0x20 [ 694.580747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.586295] ? check_preemption_disabled+0x48/0x280 [ 694.591325] irq_exit+0x17f/0x1c0 [ 694.594786] smp_apic_timer_interrupt+0x1cb/0x760 [ 694.599632] ? smp_reschedule_interrupt+0x109/0x650 [ 694.604657] ? smp_call_function_single_interrupt+0x650/0x650 [ 694.610545] ? interrupt_entry+0xb5/0xc0 [ 694.614614] ? trace_hardirqs_off_caller+0xbb/0x310 [ 694.619632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 694.624654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 694.629497] ? trace_hardirqs_on_caller+0x310/0x310 [ 694.634512] ? trace_hardirqs_on_caller+0x310/0x310 [ 694.639557] ? task_prio+0x50/0x50 [ 694.643099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.648643] ? check_preemption_disabled+0x48/0x280 [ 694.653671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 694.658530] apic_timer_interrupt+0xf/0x20 [ 694.662758] [ 694.665002] RIP: 0010:dump_stack+0x20e/0x39d [ 694.669410] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 694.688326] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 694.696034] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 694.703319] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 694.710587] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 694.717855] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 694.725138] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 694.732453] ? dump_stack+0x205/0x39d [ 694.736268] ? dump_stack_print_info.cold.1+0x20/0x20 [ 694.741462] ? mark_held_locks+0x130/0x130 [ 694.745700] ? mark_held_locks+0x130/0x130 [ 694.749942] dump_header+0x27b/0xf72 [ 694.753671] ? pagefault_out_of_memory+0x197/0x197 [ 694.758614] ? __lock_acquire+0x62f/0x4c20 [ 694.762851] ? percpu_ref_get_many+0x240/0x240 [ 694.767446] ? print_usage_bug+0xc0/0xc0 [ 694.771516] ? zap_class+0x640/0x640 [ 694.775265] ? print_usage_bug+0xc0/0xc0 [ 694.779339] ? print_usage_bug+0xc0/0xc0 [ 694.783402] ? zap_class+0x640/0x640 [ 694.787130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.792677] ? find_held_lock+0x36/0x1c0 [ 694.796767] ? mark_held_locks+0xc7/0x130 [ 694.800918] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 694.806021] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 694.811130] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 694.815720] ? trace_hardirqs_on+0xbd/0x310 [ 694.820043] ? kasan_check_read+0x11/0x20 [ 694.824209] ? ___ratelimit+0x3b4/0x672 [ 694.828193] ? trace_hardirqs_off_caller+0x310/0x310 [ 694.833302] ? trace_hardirqs_on+0x310/0x310 [ 694.837718] ? lock_downgrade+0x900/0x900 [ 694.841889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 694.846994] ? ___ratelimit+0x3b9/0x672 [ 694.850989] ? idr_get_free+0xf70/0xf70 [ 694.854961] ? find_held_lock+0x36/0x1c0 [ 694.859034] oom_kill_process.cold.27+0x10/0x903 [ 694.863794] ? zap_class+0x640/0x640 [ 694.867511] ? check_preemption_disabled+0x48/0x280 [ 694.872549] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 694.877480] ? kasan_check_read+0x11/0x20 [ 694.881642] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 694.886922] ? oom_evaluate_task+0x540/0x540 [ 694.891336] ? find_held_lock+0x36/0x1c0 [ 694.895408] ? out_of_memory+0x974/0x1430 [ 694.899566] ? lock_downgrade+0x900/0x900 [ 694.903715] ? check_preemption_disabled+0x48/0x280 [ 694.908740] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 694.913670] ? kasan_check_read+0x11/0x20 [ 694.917837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 694.923145] ? rcu_softirq_qs+0x20/0x20 [ 694.927125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.932664] ? oom_evaluate_task+0x302/0x540 [ 694.937093] out_of_memory+0xa84/0x1430 [ 694.941091] ? oom_killer_disable+0x3a0/0x3a0 [ 694.945586] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 694.950526] ? __ww_mutex_check_waiters+0x160/0x160 [ 694.955560] __alloc_pages_slowpath+0x2354/0x2e10 [ 694.960447] ? warn_alloc+0x120/0x120 [ 694.964248] ? mark_held_locks+0x130/0x130 [ 694.968490] ? find_get_entry+0xaae/0x1120 [ 694.972754] ? filemap_map_pages+0x1a20/0x1a20 [ 694.977557] ? zap_class+0x640/0x640 [ 694.981281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.986825] ? check_preemption_disabled+0x48/0x280 [ 694.991868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.997410] ? should_fail+0x22d/0xd01 [ 695.001329] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 695.006443] ? zap_class+0x640/0x640 [ 695.010191] ? __lock_is_held+0xb5/0x140 [ 695.014261] ? mark_held_locks+0x130/0x130 [ 695.018515] ? lock_release+0xa00/0xa00 [ 695.022494] ? perf_trace_sched_process_exec+0x860/0x860 [ 695.027948] ? xa_load+0x2ba/0x460 [ 695.031490] ? lock_downgrade+0x900/0x900 [ 695.035659] ? __might_sleep+0x95/0x190 [ 695.039653] __alloc_pages_nodemask+0xa80/0xde0 [ 695.044362] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 695.049379] ? __page_cache_alloc+0x191/0x5c0 [ 695.054049] ? xa_load+0x2e1/0x460 [ 695.057590] ? xa_clear_mark+0x40/0x40 [ 695.061481] ? zap_class+0x640/0x640 [ 695.065207] ? zap_class+0x640/0x640 [ 695.068922] ? zap_class+0x640/0x640 [ 695.072642] ? __do_page_cache_readahead+0x663/0x810 [ 695.077750] ? find_held_lock+0x36/0x1c0 [ 695.081818] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 695.087380] alloc_pages_current+0x173/0x350 [ 695.091798] __page_cache_alloc+0x38c/0x5c0 [ 695.096123] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 695.101052] ? kasan_check_read+0x11/0x20 [ 695.105205] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 695.110489] ? generic_perform_write+0x6a0/0x6a0 [ 695.115254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.120799] ? check_preemption_disabled+0x48/0x280 [ 695.125828] filemap_fault+0x1595/0x25f0 [ 695.129905] ? __lock_page_or_retry+0xa00/0xa00 [ 695.134580] ? mark_held_locks+0x130/0x130 [ 695.138828] ? filemap_map_pages+0xd6b/0x1a20 [ 695.143330] ? lock_downgrade+0x900/0x900 [ 695.147484] ? check_preemption_disabled+0x48/0x280 [ 695.152508] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 695.157447] ? kasan_check_read+0x11/0x20 [ 695.161604] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 695.166885] ? rcu_softirq_qs+0x20/0x20 [ 695.170878] ? filemap_map_pages+0xd92/0x1a20 [ 695.175388] ? find_get_entries_tag+0x1400/0x1400 [ 695.180341] ? debug_object_destroy+0x2b0/0x2b0 [ 695.185014] ? lock_pi_update_atomic+0x150/0x150 [ 695.189774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.195341] ? lock_acquire+0x1ed/0x520 [ 695.199320] ? ext4_filemap_fault+0x7a/0xad [ 695.203655] ? lock_release+0xa00/0xa00 [ 695.207629] ? perf_trace_sched_process_exec+0x860/0x860 [ 695.213082] ? print_usage_bug+0xc0/0xc0 [ 695.217147] ? print_usage_bug+0xc0/0xc0 [ 695.221226] ? down_read+0x8d/0x120 [ 695.224854] ? ext4_filemap_fault+0x7a/0xad [ 695.229179] ? __down_interruptible+0x700/0x700 [ 695.233868] ext4_filemap_fault+0x82/0xad [ 695.238024] __do_fault+0x100/0x6b0 [ 695.241650] ? find_held_lock+0x36/0x1c0 [ 695.245718] ? pmd_devmap_trans_unstable+0x220/0x220 [ 695.250833] ? mark_held_locks+0x130/0x130 [ 695.255075] ? mark_held_locks+0x130/0x130 [ 695.259328] ? debug_smp_processor_id+0x1c/0x20 [ 695.263997] ? perf_trace_lock+0x14d/0x7a0 [ 695.268236] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 695.272827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.278398] __handle_mm_fault+0x3ea0/0x5be0 [ 695.282824] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 695.287667] ? lock_is_held_type+0x210/0x210 [ 695.292083] ? preempt_notifier_register+0x200/0x200 [ 695.297190] ? __switch_to_asm+0x34/0x70 [ 695.301249] ? __switch_to_asm+0x34/0x70 [ 695.305323] ? zap_class+0x640/0x640 [ 695.309040] ? zap_class+0x640/0x640 [ 695.312756] ? __x64_sys_futex+0x53e/0x6a0 [ 695.316995] ? find_held_lock+0x36/0x1c0 [ 695.321067] ? handle_mm_fault+0x42a/0xc70 [ 695.325332] ? lock_downgrade+0x900/0x900 [ 695.329498] ? check_preemption_disabled+0x48/0x280 [ 695.334524] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 695.339459] ? kasan_check_read+0x11/0x20 [ 695.343605] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 695.348886] ? rcu_softirq_qs+0x20/0x20 [ 695.352860] ? trace_hardirqs_off_caller+0x310/0x310 [ 695.357967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.363510] ? check_preemption_disabled+0x48/0x280 [ 695.368536] handle_mm_fault+0x54f/0xc70 [ 695.372621] ? __handle_mm_fault+0x5be0/0x5be0 [ 695.377226] ? find_vma+0x34/0x190 [ 695.380770] __do_page_fault+0x5e8/0xe60 [ 695.384831] ? trace_hardirqs_off+0xb8/0x310 [ 695.389263] do_page_fault+0xf2/0x7e0 [ 695.393107] ? vmalloc_sync_all+0x30/0x30 [ 695.397256] ? error_entry+0x70/0xd0 [ 695.401003] ? trace_hardirqs_off_caller+0xbb/0x310 [ 695.406020] ? trace_hardirqs_on_caller+0xc0/0x310 [ 695.410952] ? syscall_return_slowpath+0x5e0/0x5e0 [ 695.415881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.420727] ? trace_hardirqs_on_caller+0x310/0x310 [ 695.425756] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 695.431219] ? prepare_exit_to_usermode+0x291/0x3b0 [ 695.436246] ? page_fault+0x8/0x30 [ 695.439793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 695.444642] ? page_fault+0x8/0x30 [ 695.448190] page_fault+0x1e/0x30 [ 695.451646] RIP: 0033:0x40f9c0 [ 695.454873] Code: Bad RIP value. [ 695.458247] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 695.463611] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 695.470879] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 695.478147] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 695.485412] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 695.492689] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 695.499989] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 695.500055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 695.507264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 695.507269] Call Trace: [ 695.507277] [ 695.507305] dump_stack+0x244/0x39d [ 695.507325] ? dump_stack_print_info.cold.1+0x20/0x20 [ 695.513857] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 695.523170] warn_alloc.cold.116+0xb7/0x1bd [ 695.525723] syz-fuzzer cpuset=/ mems_allowed=0 [ 695.527880] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 695.560605] ? lock_downgrade+0x900/0x900 [ 695.564763] ? trace_hardirqs_off+0xb8/0x310 [ 695.569183] ? trace_hardirqs_off+0xb8/0x310 [ 695.573600] __alloc_pages_slowpath+0x26e8/0x2e10 [ 695.578504] ? warn_alloc+0x120/0x120 [ 695.582353] ? print_usage_bug+0xc0/0xc0 [ 695.586415] ? warn_alloc+0x120/0x120 [ 695.590225] ? warn_alloc+0x120/0x120 [ 695.594041] ? print_usage_bug+0xc0/0xc0 [ 695.598123] ? print_usage_bug+0xc0/0xc0 [ 695.602182] ? __lock_acquire+0x62f/0x4c20 [ 695.606433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.611973] ? should_fail+0x22d/0xd01 [ 695.615865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 695.620968] ? __lock_acquire+0x62f/0x4c20 [ 695.625210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 695.630323] ? __lock_acquire+0x62f/0x4c20 [ 695.634557] ? should_fail+0x22d/0xd01 [ 695.638449] ? find_held_lock+0x36/0x1c0 [ 695.642520] ? mark_held_locks+0x130/0x130 [ 695.646773] ? mark_held_locks+0x130/0x130 [ 695.651003] ? zap_class+0x640/0x640 [ 695.654722] ? zap_class+0x640/0x640 [ 695.658443] ? print_usage_bug+0xc0/0xc0 [ 695.662506] ? do_raw_spin_unlock+0xa7/0x330 [ 695.666917] ? zap_class+0x640/0x640 [ 695.670635] ? print_usage_bug+0xc0/0xc0 [ 695.674698] ? wq_watchdog_touch+0x9c/0xfe [ 695.678937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.684480] ? check_preemption_disabled+0x48/0x280 [ 695.689523] ? __lock_is_held+0xb5/0x140 [ 695.693592] __alloc_pages_nodemask+0xa80/0xde0 [ 695.698260] ? zap_class+0x640/0x640 [ 695.701979] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 695.707009] ? find_held_lock+0x36/0x1c0 [ 695.711087] ? ____cache_alloc_node+0x1c7/0x1e0 [ 695.715762] ? lock_downgrade+0x900/0x900 [ 695.719925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.725466] cache_grow_begin+0xa5/0x8c0 [ 695.729529] ? do_raw_spin_unlock+0xa7/0x330 [ 695.733965] fallback_alloc+0x204/0x2e0 [ 695.737951] ____cache_alloc_node+0x1c7/0x1e0 [ 695.742462] kmem_cache_alloc_node+0xe3/0x730 [ 695.746961] ? ipv6_get_ifaddr+0x42e/0x620 [ 695.751235] __alloc_skb+0x119/0x770 [ 695.754965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 695.760248] ? netdev_alloc_frag+0x1f0/0x1f0 [ 695.764659] ? lock_downgrade+0x900/0x900 [ 695.768820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.774363] ? refcount_sub_and_test_checked+0x203/0x310 [ 695.779821] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 695.785275] ? addrconf_rs_timer+0x690/0x690 [ 695.789705] ndisc_alloc_skb+0x144/0x340 [ 695.793779] ndisc_send_rs+0x331/0x6e0 [ 695.797676] addrconf_rs_timer+0x314/0x690 [ 695.801925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 695.806175] call_timer_fn+0x272/0x920 [ 695.810066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 695.814304] ? process_timeout+0x40/0x40 [ 695.818374] ? __run_timers+0x7da/0xc70 [ 695.822352] ? _raw_spin_unlock_irq+0x27/0x80 [ 695.826853] ? _raw_spin_unlock_irq+0x27/0x80 [ 695.831350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 695.835592] ? lockdep_hardirqs_on+0x296/0x5b0 [ 695.840182] ? trace_hardirqs_on+0xbd/0x310 [ 695.844502] ? kasan_check_read+0x11/0x20 [ 695.848651] ? __run_timers+0x7da/0xc70 [ 695.852635] ? trace_hardirqs_off_caller+0x310/0x310 [ 695.857747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 695.861991] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 695.866226] __run_timers+0x7e5/0xc70 [ 695.870044] ? timer_fixup_init+0x70/0x70 [ 695.874195] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 695.879217] ? zap_class+0x640/0x640 [ 695.882943] ? enqueue_hrtimer+0x1a5/0x560 [ 695.887186] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 695.892385] ? find_held_lock+0x36/0x1c0 [ 695.896460] ? zap_class+0x640/0x640 [ 695.900182] ? pvclock_read_flags+0x160/0x160 [ 695.904681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.910226] ? check_preemption_disabled+0x48/0x280 [ 695.915256] ? __lock_is_held+0xb5/0x140 [ 695.919320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.924857] ? check_preemption_disabled+0x48/0x280 [ 695.929879] run_timer_softirq+0x52/0xb0 [ 695.933950] ? rcu_read_lock_sched_held+0x14f/0x180 [ 695.938968] __do_softirq+0x308/0xb7e [ 695.942777] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 695.947274] ? lock_downgrade+0x900/0x900 [ 695.951440] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 695.956555] ? pvclock_read_flags+0x160/0x160 [ 695.961055] ? lapic_next_event+0x5a/0x90 [ 695.965219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.970769] ? kvm_clock_read+0x18/0x30 [ 695.974996] ? kvm_sched_clock_read+0x9/0x20 [ 695.979409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.984960] ? check_preemption_disabled+0x48/0x280 [ 695.989986] irq_exit+0x17f/0x1c0 [ 695.993452] smp_apic_timer_interrupt+0x1cb/0x760 [ 695.998296] ? smp_reschedule_interrupt+0x109/0x650 [ 696.003314] ? smp_call_function_single_interrupt+0x650/0x650 [ 696.009202] ? interrupt_entry+0xb5/0xc0 [ 696.013266] ? trace_hardirqs_off_caller+0xbb/0x310 [ 696.018283] ? trace_hardirqs_off_caller+0xbb/0x310 [ 696.023306] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 696.028151] ? trace_hardirqs_on_caller+0x310/0x310 [ 696.033165] ? trace_hardirqs_on_caller+0x310/0x310 [ 696.038187] ? task_prio+0x50/0x50 [ 696.041734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.047273] ? check_preemption_disabled+0x48/0x280 [ 696.052297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 696.057153] apic_timer_interrupt+0xf/0x20 [ 696.061382] [ 696.063620] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 696.068550] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 696.087462] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 696.095171] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 696.102444] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 696.109894] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 696.117160] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 696.124436] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 696.131762] skb_clone+0x1bb/0x500 [ 696.135311] ? finish_task_switch+0x1b4/0x910 [ 696.139854] ? skb_split+0x11e0/0x11e0 [ 696.143751] ? preempt_notifier_register+0x200/0x200 [ 696.148852] ? __switch_to_asm+0x34/0x70 [ 696.152911] ? __switch_to_asm+0x34/0x70 [ 696.156968] ? __switch_to_asm+0x40/0x70 [ 696.161028] ? __switch_to_asm+0x34/0x70 [ 696.165087] ? __switch_to_asm+0x40/0x70 [ 696.169143] ? __switch_to_asm+0x34/0x70 [ 696.173201] ? __switch_to_asm+0x40/0x70 [ 696.177261] ? __switch_to_asm+0x34/0x70 [ 696.181321] ? __switch_to_asm+0x34/0x70 [ 696.185379] ? __switch_to_asm+0x40/0x70 [ 696.189442] ? __switch_to_asm+0x34/0x70 [ 696.193512] bpf_clone_redirect+0xb9/0x490 [ 696.197763] ? __schedule+0x8d7/0x21d0 [ 696.201660] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 696.206681] ? __sched_text_start+0x8/0x8 [ 696.210842] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 696.215440] ? retint_kernel+0x2d/0x2d [ 696.219336] ? trace_hardirqs_on_caller+0xc0/0x310 [ 696.224278] ? find_held_lock+0x36/0x1c0 [ 696.228350] ? lock_acquire+0x1ed/0x520 [ 696.232327] ? bpf_test_run+0x3cb/0x780 [ 696.236307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.241849] ? check_preemption_disabled+0x48/0x280 [ 696.246877] ? kasan_check_read+0x11/0x20 [ 696.251030] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 696.256305] ? rcu_softirq_qs+0x20/0x20 [ 696.260283] ? preempt_schedule+0x4d/0x60 [ 696.264442] ? ___preempt_schedule+0x16/0x18 [ 696.268867] ? bpf_test_run+0x25d/0x780 [ 696.272859] ? netlink_diag_dump+0x2a0/0x2a0 [ 696.277275] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 696.282817] ? bpf_test_init.isra.10+0x70/0x100 [ 696.287496] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 696.292268] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 696.297113] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 696.302655] ? fput+0x130/0x1a0 [ 696.305942] ? __bpf_prog_get+0x9b/0x290 [ 696.310012] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 696.314855] ? bpf_prog_test_run+0x130/0x1a0 [ 696.319274] ? __x64_sys_bpf+0x3d8/0x520 [ 696.323338] ? bpf_prog_get+0x20/0x20 [ 696.327161] ? do_syscall_64+0x1b9/0x820 [ 696.331221] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 696.336589] ? syscall_return_slowpath+0x5e0/0x5e0 [ 696.341518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 696.346369] ? trace_hardirqs_on_caller+0x310/0x310 [ 696.351386] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 696.356439] ? prepare_exit_to_usermode+0x291/0x3b0 [ 696.361477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 696.366328] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 696.371725] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 696.371731] warn_alloc_show_mem: 1 callbacks suppressed [ 696.371738] Mem-Info: [ 696.378752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 696.384126] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 696.384126] active_file:14 inactive_file:14 isolated_file:0 [ 696.384126] unevictable:0 dirty:0 writeback:0 unstable:0 [ 696.384126] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 696.384126] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 696.384126] free:13772 free_pcp:380 free_cma:0 [ 696.386496] Call Trace: [ 696.395890] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 696.429006] [ 696.431578] 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 [ 696.459441] dump_stack+0x244/0x39d [ 696.461563] lowmem_reserve[]: 0 2818 6321 6321 [ 696.487721] ? dump_stack_print_info.cold.1+0x20/0x20 [ 696.491322] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 696.495910] warn_alloc.cold.116+0xb7/0x1bd [ 696.501066] lowmem_reserve[]: 0 0 3503 3503 [ 696.528577] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 696.532875] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 696.537207] ? lock_downgrade+0x900/0x900 [ 696.542018] lowmem_reserve[]: 0 0 0 0 [ 696.571179] ? trace_hardirqs_off+0xb8/0x310 [ 696.575300] 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 [ 696.579096] ? trace_hardirqs_off+0xb8/0x310 [ 696.583487] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 696.597015] __alloc_pages_slowpath+0x26e8/0x2e10 [ 696.601391] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 696.616674] ? warn_alloc+0x120/0x120 [ 696.621487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 696.635871] ? print_usage_bug+0xc0/0xc0 [ 696.639651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 696.648480] ? warn_alloc+0x120/0x120 [ 696.652522] 12557 total pagecache pages [ 696.661100] ? warn_alloc+0x120/0x120 [ 696.664877] 0 pages in swap cache [ 696.668844] ? print_usage_bug+0xc0/0xc0 [ 696.672618] Swap cache stats: add 0, delete 0, find 0/0 [ 696.676071] ? print_usage_bug+0xc0/0xc0 [ 696.680115] Free swap = 0kB [ 696.685478] ? __lock_acquire+0x62f/0x4c20 [ 696.689510] Total swap = 0kB [ 696.692540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 696.696756] 1965979 pages RAM [ 696.699767] ? should_fail+0x22d/0xd01 [ 696.705270] 0 pages HighMem/MovableOnly [ 696.705278] 342853 pages reserved [ 696.708377] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 696.712237] 0 pages cma reserved [ 696.716224] ? __lock_acquire+0x62f/0x4c20 [ 696.719719] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 696.724747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 696.728229] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 696.732329] ? __lock_acquire+0x62f/0x4c20 [ 696.738799] syz-executor1 cpuset=syz1 mems_allowed=0 [ 696.743896] ? should_fail+0x22d/0xd01 [ 696.767549] ? find_held_lock+0x36/0x1c0 [ 696.771625] ? mark_held_locks+0x130/0x130 [ 696.775865] ? mark_held_locks+0x130/0x130 [ 696.780098] ? zap_class+0x640/0x640 [ 696.783811] ? zap_class+0x640/0x640 [ 696.787532] ? print_usage_bug+0xc0/0xc0 [ 696.791596] ? do_raw_spin_unlock+0xa7/0x330 [ 696.796009] ? zap_class+0x640/0x640 [ 696.799726] ? print_usage_bug+0xc0/0xc0 [ 696.803791] ? wq_watchdog_touch+0x9c/0xfe [ 696.808029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.813569] ? check_preemption_disabled+0x48/0x280 [ 696.818602] ? __lock_is_held+0xb5/0x140 [ 696.822671] __alloc_pages_nodemask+0xa80/0xde0 [ 696.827345] ? zap_class+0x640/0x640 [ 696.831064] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 696.836094] ? find_held_lock+0x36/0x1c0 [ 696.840169] ? ____cache_alloc_node+0x1c7/0x1e0 [ 696.844845] ? lock_downgrade+0x900/0x900 [ 696.849005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.854555] cache_grow_begin+0xa5/0x8c0 [ 696.858622] ? do_raw_spin_unlock+0xa7/0x330 [ 696.863040] fallback_alloc+0x204/0x2e0 [ 696.867024] ____cache_alloc_node+0x1c7/0x1e0 [ 696.871526] kmem_cache_alloc_node+0xe3/0x730 [ 696.876025] ? ipv6_get_ifaddr+0x42e/0x620 [ 696.880283] __alloc_skb+0x119/0x770 [ 696.884003] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 696.889290] ? netdev_alloc_frag+0x1f0/0x1f0 [ 696.893700] ? lock_downgrade+0x900/0x900 [ 696.897870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.903433] ? refcount_sub_and_test_checked+0x203/0x310 [ 696.908890] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 696.914343] ? addrconf_rs_timer+0x690/0x690 [ 696.918770] ndisc_alloc_skb+0x144/0x340 [ 696.922838] ndisc_send_rs+0x331/0x6e0 [ 696.926733] addrconf_rs_timer+0x314/0x690 [ 696.930976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 696.935445] call_timer_fn+0x272/0x920 [ 696.939337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 696.943573] ? process_timeout+0x40/0x40 [ 696.947652] ? mark_held_locks+0xc7/0x130 [ 696.951806] ? _raw_spin_unlock_irq+0x27/0x80 [ 696.956314] ? _raw_spin_unlock_irq+0x27/0x80 [ 696.960810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 696.965058] ? lockdep_hardirqs_on+0x296/0x5b0 [ 696.969648] ? trace_hardirqs_on+0xbd/0x310 [ 696.973970] ? kasan_check_read+0x11/0x20 [ 696.978307] ? __run_timers+0x7da/0xc70 [ 696.982286] ? trace_hardirqs_off_caller+0x310/0x310 [ 696.987413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 696.991667] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 696.995905] __run_timers+0x7e5/0xc70 [ 696.999760] ? timer_fixup_init+0x70/0x70 [ 697.003929] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 697.008947] ? zap_class+0x640/0x640 [ 697.012673] ? print_usage_bug+0xc0/0xc0 [ 697.016741] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 697.021943] ? find_held_lock+0x36/0x1c0 [ 697.026012] ? zap_class+0x640/0x640 [ 697.029736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.035288] ? check_preemption_disabled+0x48/0x280 [ 697.040322] ? __lock_is_held+0xb5/0x140 [ 697.044391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.049945] ? check_preemption_disabled+0x48/0x280 [ 697.054975] run_timer_softirq+0x52/0xb0 [ 697.059040] ? rcu_read_lock_sched_held+0x14f/0x180 [ 697.064067] __do_softirq+0x308/0xb7e [ 697.067880] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 697.072376] ? lock_downgrade+0x900/0x900 [ 697.076589] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 697.081708] ? pvclock_read_flags+0x160/0x160 [ 697.086216] ? lapic_next_event+0x5a/0x90 [ 697.090371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.095916] ? kvm_clock_read+0x18/0x30 [ 697.099896] ? kvm_sched_clock_read+0x9/0x20 [ 697.104314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.110329] ? check_preemption_disabled+0x48/0x280 [ 697.115362] irq_exit+0x17f/0x1c0 [ 697.118825] smp_apic_timer_interrupt+0x1cb/0x760 [ 697.123674] ? smp_reschedule_interrupt+0x109/0x650 [ 697.128693] ? smp_call_function_single_interrupt+0x650/0x650 [ 697.134581] ? interrupt_entry+0xb5/0xc0 [ 697.138650] ? trace_hardirqs_off_caller+0xbb/0x310 [ 697.143667] ? trace_hardirqs_off_caller+0xbb/0x310 [ 697.148687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.153538] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.158554] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.163576] ? task_prio+0x50/0x50 [ 697.167124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.172670] ? check_preemption_disabled+0x48/0x280 [ 697.177696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.182550] apic_timer_interrupt+0xf/0x20 [ 697.186809] [ 697.189058] RIP: 0010:dump_stack+0x20e/0x39d [ 697.193471] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 697.212391] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 697.220114] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 697.227381] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 697.234661] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 697.241931] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 697.249211] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 697.256513] ? dump_stack+0x205/0x39d [ 697.260349] ? dump_stack_print_info.cold.1+0x20/0x20 [ 697.265550] ? mark_held_locks+0x130/0x130 [ 697.269789] ? mark_held_locks+0x130/0x130 [ 697.274035] dump_header+0x27b/0xf72 [ 697.277770] ? pagefault_out_of_memory+0x197/0x197 [ 697.282714] ? __lock_acquire+0x62f/0x4c20 [ 697.286953] ? percpu_ref_get_many+0x240/0x240 [ 697.291543] ? print_usage_bug+0xc0/0xc0 [ 697.295610] ? zap_class+0x640/0x640 [ 697.299326] ? print_usage_bug+0xc0/0xc0 [ 697.303390] ? print_usage_bug+0xc0/0xc0 [ 697.307468] ? zap_class+0x640/0x640 [ 697.311192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.316739] ? find_held_lock+0x36/0x1c0 [ 697.320811] ? mark_held_locks+0xc7/0x130 [ 697.324962] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 697.330065] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 697.335176] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 697.339767] ? trace_hardirqs_on+0xbd/0x310 [ 697.344089] ? kasan_check_read+0x11/0x20 [ 697.348239] ? ___ratelimit+0x3b4/0x672 [ 697.352223] ? trace_hardirqs_off_caller+0x310/0x310 [ 697.357329] ? trace_hardirqs_on+0x310/0x310 [ 697.361743] ? lock_downgrade+0x900/0x900 [ 697.365900] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 697.371010] ? ___ratelimit+0x3b9/0x672 [ 697.374987] ? idr_get_free+0xf70/0xf70 [ 697.378971] ? find_held_lock+0x36/0x1c0 [ 697.383048] oom_kill_process.cold.27+0x10/0x903 [ 697.387811] ? zap_class+0x640/0x640 [ 697.391528] ? check_preemption_disabled+0x48/0x280 [ 697.396550] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.401481] ? kasan_check_read+0x11/0x20 [ 697.405631] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.410911] ? oom_evaluate_task+0x540/0x540 [ 697.415334] ? find_held_lock+0x36/0x1c0 [ 697.419410] ? out_of_memory+0x974/0x1430 [ 697.423572] ? lock_downgrade+0x900/0x900 [ 697.427723] ? check_preemption_disabled+0x48/0x280 [ 697.432743] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.437676] ? kasan_check_read+0x11/0x20 [ 697.441823] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.447105] ? rcu_softirq_qs+0x20/0x20 [ 697.451085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.456626] ? oom_evaluate_task+0x302/0x540 [ 697.461043] out_of_memory+0xa84/0x1430 [ 697.465028] ? oom_killer_disable+0x3a0/0x3a0 [ 697.469525] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 697.474470] ? __ww_mutex_check_waiters+0x160/0x160 [ 697.479504] __alloc_pages_slowpath+0x2354/0x2e10 [ 697.484380] ? warn_alloc+0x120/0x120 [ 697.488203] ? mark_held_locks+0x130/0x130 [ 697.492455] ? find_get_entry+0xaae/0x1120 [ 697.496706] ? filemap_map_pages+0x1a20/0x1a20 [ 697.501301] ? zap_class+0x640/0x640 [ 697.505028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.510581] ? check_preemption_disabled+0x48/0x280 [ 697.515602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.521146] ? should_fail+0x22d/0xd01 [ 697.525043] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 697.530151] ? zap_class+0x640/0x640 [ 697.533900] ? __lock_is_held+0xb5/0x140 [ 697.537975] ? mark_held_locks+0x130/0x130 [ 697.542221] ? lock_release+0xa00/0xa00 [ 697.546219] ? perf_trace_sched_process_exec+0x860/0x860 [ 697.551676] ? xa_load+0x2ba/0x460 [ 697.555220] ? lock_downgrade+0x900/0x900 [ 697.559378] ? __might_sleep+0x95/0x190 [ 697.563363] __alloc_pages_nodemask+0xa80/0xde0 [ 697.568041] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 697.573062] ? __page_cache_alloc+0x191/0x5c0 [ 697.577559] ? xa_load+0x2e1/0x460 [ 697.581103] ? xa_clear_mark+0x40/0x40 [ 697.584994] ? zap_class+0x640/0x640 [ 697.588718] ? zap_class+0x640/0x640 [ 697.592446] ? zap_class+0x640/0x640 [ 697.596162] ? __do_page_cache_readahead+0x663/0x810 [ 697.601277] ? find_held_lock+0x36/0x1c0 [ 697.605349] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 697.610909] alloc_pages_current+0x173/0x350 [ 697.615327] __page_cache_alloc+0x38c/0x5c0 [ 697.619649] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.624579] ? kasan_check_read+0x11/0x20 [ 697.628736] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.634030] ? generic_perform_write+0x6a0/0x6a0 [ 697.638795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.644340] ? check_preemption_disabled+0x48/0x280 [ 697.649371] filemap_fault+0x1595/0x25f0 [ 697.653468] ? __lock_page_or_retry+0xa00/0xa00 [ 697.658142] ? mark_held_locks+0x130/0x130 [ 697.662392] ? filemap_map_pages+0xd6b/0x1a20 [ 697.666896] ? lock_downgrade+0x900/0x900 [ 697.671049] ? check_preemption_disabled+0x48/0x280 [ 697.676073] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.681002] ? kasan_check_read+0x11/0x20 [ 697.685153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.690450] ? rcu_softirq_qs+0x20/0x20 [ 697.694452] ? filemap_map_pages+0xd92/0x1a20 [ 697.698966] ? find_get_entries_tag+0x1400/0x1400 [ 697.703819] ? debug_object_destroy+0x2b0/0x2b0 [ 697.708494] ? lock_pi_update_atomic+0x150/0x150 [ 697.713251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.718808] ? lock_acquire+0x1ed/0x520 [ 697.722783] ? ext4_filemap_fault+0x7a/0xad [ 697.727112] ? lock_release+0xa00/0xa00 [ 697.731088] ? perf_trace_sched_process_exec+0x860/0x860 [ 697.736544] ? print_usage_bug+0xc0/0xc0 [ 697.740607] ? print_usage_bug+0xc0/0xc0 [ 697.744682] ? down_read+0x8d/0x120 [ 697.748309] ? ext4_filemap_fault+0x7a/0xad [ 697.752638] ? __down_interruptible+0x700/0x700 [ 697.757319] ext4_filemap_fault+0x82/0xad [ 697.761471] __do_fault+0x100/0x6b0 [ 697.765104] ? find_held_lock+0x36/0x1c0 [ 697.769168] ? pmd_devmap_trans_unstable+0x220/0x220 [ 697.774282] ? mark_held_locks+0x130/0x130 [ 697.778522] ? mark_held_locks+0x130/0x130 [ 697.782773] ? debug_smp_processor_id+0x1c/0x20 [ 697.787450] ? perf_trace_lock+0x14d/0x7a0 [ 697.791686] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 697.796285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.801832] __handle_mm_fault+0x3ea0/0x5be0 [ 697.806254] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 697.811100] ? lock_is_held_type+0x210/0x210 [ 697.815530] ? preempt_notifier_register+0x200/0x200 [ 697.820637] ? __switch_to_asm+0x34/0x70 [ 697.824697] ? __switch_to_asm+0x34/0x70 [ 697.828785] ? zap_class+0x640/0x640 [ 697.832497] ? zap_class+0x640/0x640 [ 697.836214] ? __x64_sys_futex+0x53e/0x6a0 [ 697.840466] ? find_held_lock+0x36/0x1c0 [ 697.844542] ? handle_mm_fault+0x42a/0xc70 [ 697.848787] ? lock_downgrade+0x900/0x900 [ 697.852943] ? check_preemption_disabled+0x48/0x280 [ 697.857962] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.862895] ? kasan_check_read+0x11/0x20 [ 697.867049] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.872326] ? rcu_softirq_qs+0x20/0x20 [ 697.876301] ? trace_hardirqs_off_caller+0x310/0x310 [ 697.881431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.886978] ? check_preemption_disabled+0x48/0x280 [ 697.892007] handle_mm_fault+0x54f/0xc70 [ 697.896075] ? __handle_mm_fault+0x5be0/0x5be0 [ 697.900664] ? find_vma+0x34/0x190 [ 697.904217] __do_page_fault+0x5e8/0xe60 [ 697.908304] ? trace_hardirqs_off+0xb8/0x310 [ 697.912729] do_page_fault+0xf2/0x7e0 [ 697.916533] ? vmalloc_sync_all+0x30/0x30 [ 697.920683] ? error_entry+0x70/0xd0 [ 697.924402] ? trace_hardirqs_off_caller+0xbb/0x310 [ 697.929437] ? trace_hardirqs_on_caller+0xc0/0x310 [ 697.934371] ? syscall_return_slowpath+0x5e0/0x5e0 [ 697.939301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.944148] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.949169] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 697.954637] ? prepare_exit_to_usermode+0x291/0x3b0 [ 697.959657] ? page_fault+0x8/0x30 [ 697.963216] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.968064] ? page_fault+0x8/0x30 [ 697.971607] page_fault+0x1e/0x30 [ 697.975059] RIP: 0033:0x40f9c0 [ 697.978267] Code: Bad RIP value. [ 697.981629] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 697.986991] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 697.994263] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 698.001531] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 698.008800] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 698.016068] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 698.023367] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 698.023442] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 698.030646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 698.030651] Call Trace: [ 698.030658] [ 698.030682] dump_stack+0x244/0x39d [ 698.030706] ? dump_stack_print_info.cold.1+0x20/0x20 [ 698.037293] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 698.046543] warn_alloc.cold.116+0xb7/0x1bd [ 698.049094] syz-fuzzer cpuset=/ mems_allowed=0 [ 698.051237] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 698.083967] ? lock_downgrade+0x900/0x900 [ 698.088137] ? trace_hardirqs_off+0xb8/0x310 [ 698.092556] ? trace_hardirqs_off+0xb8/0x310 [ 698.096979] __alloc_pages_slowpath+0x26e8/0x2e10 [ 698.101873] ? warn_alloc+0x120/0x120 [ 698.105683] ? print_usage_bug+0xc0/0xc0 [ 698.109900] ? warn_alloc+0x120/0x120 [ 698.113711] ? warn_alloc+0x120/0x120 [ 698.117517] ? print_usage_bug+0xc0/0xc0 [ 698.121579] ? kvm_clock_read+0x18/0x30 [ 698.125576] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 698.130609] ? print_usage_bug+0xc0/0xc0 [ 698.134679] ? __lock_acquire+0x62f/0x4c20 [ 698.138929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 698.144488] ? should_fail+0x22d/0xd01 [ 698.148380] ? __lock_acquire+0x62f/0x4c20 [ 698.152621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 698.157730] ? __lock_acquire+0x62f/0x4c20 [ 698.161979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 698.167087] ? __lock_acquire+0x62f/0x4c20 [ 698.171330] ? should_fail+0x22d/0xd01 [ 698.175246] ? mark_held_locks+0x130/0x130 [ 698.179492] ? mark_held_locks+0x130/0x130 [ 698.183734] ? mark_held_locks+0xc7/0x130 [ 698.187887] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 698.192906] ? zap_class+0x640/0x640 [ 698.196629] ? print_usage_bug+0xc0/0xc0 [ 698.200706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.206254] ? check_preemption_disabled+0x48/0x280 [ 698.211286] ? __lock_is_held+0xb5/0x140 [ 698.215359] __alloc_pages_nodemask+0xa80/0xde0 [ 698.220032] ? zap_class+0x640/0x640 [ 698.223753] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 698.228787] ? find_held_lock+0x36/0x1c0 [ 698.232864] ? ____cache_alloc_node+0x1c7/0x1e0 [ 698.237539] ? lock_downgrade+0x900/0x900 [ 698.241703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.247251] cache_grow_begin+0xa5/0x8c0 [ 698.251317] ? do_raw_spin_unlock+0xa7/0x330 [ 698.255737] fallback_alloc+0x204/0x2e0 [ 698.259726] ____cache_alloc_node+0x1c7/0x1e0 [ 698.264229] kmem_cache_alloc_node+0xe3/0x730 [ 698.268734] ? ipv6_get_ifaddr+0x42e/0x620 [ 698.272982] __alloc_skb+0x119/0x770 [ 698.276701] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 698.281993] ? netdev_alloc_frag+0x1f0/0x1f0 [ 698.286408] ? lock_downgrade+0x900/0x900 [ 698.290587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.296127] ? refcount_sub_and_test_checked+0x203/0x310 [ 698.301587] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 698.307045] ? addrconf_rs_timer+0x690/0x690 [ 698.311479] ndisc_alloc_skb+0x144/0x340 [ 698.315550] ndisc_send_rs+0x331/0x6e0 [ 698.319457] addrconf_rs_timer+0x314/0x690 [ 698.323710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 698.327961] call_timer_fn+0x272/0x920 [ 698.331853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 698.336094] ? process_timeout+0x40/0x40 [ 698.340163] ? __run_timers+0x7da/0xc70 [ 698.344142] ? _raw_spin_unlock_irq+0x27/0x80 [ 698.348640] ? _raw_spin_unlock_irq+0x27/0x80 [ 698.353137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 698.357375] ? lockdep_hardirqs_on+0x296/0x5b0 [ 698.361966] ? trace_hardirqs_on+0xbd/0x310 [ 698.366290] ? kasan_check_read+0x11/0x20 [ 698.370448] ? __run_timers+0x7da/0xc70 [ 698.374437] ? trace_hardirqs_off_caller+0x310/0x310 [ 698.379565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 698.383803] __run_timers+0x7e5/0xc70 [ 698.387615] ? timer_fixup_init+0x70/0x70 [ 698.391770] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 698.396803] ? zap_class+0x640/0x640 [ 698.400612] ? enqueue_hrtimer+0x1a5/0x560 [ 698.404850] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 698.410054] ? find_held_lock+0x36/0x1c0 [ 698.414121] ? zap_class+0x640/0x640 [ 698.417840] ? pvclock_read_flags+0x160/0x160 [ 698.422344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.427885] ? check_preemption_disabled+0x48/0x280 [ 698.432919] ? __lock_is_held+0xb5/0x140 [ 698.436986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.442533] ? check_preemption_disabled+0x48/0x280 [ 698.447557] run_timer_softirq+0x52/0xb0 [ 698.451624] ? rcu_read_lock_sched_held+0x14f/0x180 [ 698.456644] __do_softirq+0x308/0xb7e [ 698.460458] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 698.464965] ? lock_downgrade+0x900/0x900 [ 698.469132] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 698.474244] ? pvclock_read_flags+0x160/0x160 [ 698.478745] ? lapic_next_event+0x5a/0x90 [ 698.482898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.488461] ? kvm_clock_read+0x18/0x30 [ 698.492447] ? kvm_sched_clock_read+0x9/0x20 [ 698.496861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.502404] ? check_preemption_disabled+0x48/0x280 [ 698.507452] irq_exit+0x17f/0x1c0 [ 698.510916] smp_apic_timer_interrupt+0x1cb/0x760 [ 698.515759] ? smp_reschedule_interrupt+0x109/0x650 [ 698.520793] ? smp_call_function_single_interrupt+0x650/0x650 [ 698.526680] ? interrupt_entry+0xb5/0xc0 [ 698.530754] ? trace_hardirqs_off_caller+0xbb/0x310 [ 698.535771] ? trace_hardirqs_off_caller+0xbb/0x310 [ 698.540792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.545642] ? trace_hardirqs_on_caller+0x310/0x310 [ 698.550657] ? trace_hardirqs_on_caller+0x310/0x310 [ 698.555681] ? task_prio+0x50/0x50 [ 698.559230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.564776] ? check_preemption_disabled+0x48/0x280 [ 698.569803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.574657] apic_timer_interrupt+0xf/0x20 [ 698.578890] [ 698.581135] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 698.586071] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 698.604981] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 698.612704] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 698.619974] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 698.627247] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 698.634517] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 698.641787] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 698.649107] skb_clone+0x1bb/0x500 [ 698.652652] ? finish_task_switch+0x1b4/0x910 [ 698.657160] ? skb_split+0x11e0/0x11e0 [ 698.661053] ? preempt_notifier_register+0x200/0x200 [ 698.666159] ? __switch_to_asm+0x34/0x70 [ 698.670226] ? __switch_to_asm+0x34/0x70 [ 698.674293] ? __switch_to_asm+0x40/0x70 [ 698.678351] ? __switch_to_asm+0x34/0x70 [ 698.682410] ? __switch_to_asm+0x40/0x70 [ 698.686477] ? __switch_to_asm+0x34/0x70 [ 698.690539] ? __switch_to_asm+0x40/0x70 [ 698.694596] ? __switch_to_asm+0x34/0x70 [ 698.698659] ? __switch_to_asm+0x34/0x70 [ 698.702722] ? __switch_to_asm+0x40/0x70 [ 698.706780] ? __switch_to_asm+0x34/0x70 [ 698.710857] bpf_clone_redirect+0xb9/0x490 [ 698.715096] ? __schedule+0x8d7/0x21d0 [ 698.718991] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 698.724014] ? __sched_text_start+0x8/0x8 [ 698.728169] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 698.732763] ? retint_kernel+0x2d/0x2d [ 698.736667] ? trace_hardirqs_on_caller+0xc0/0x310 [ 698.741623] ? find_held_lock+0x36/0x1c0 [ 698.745702] ? lock_acquire+0x1ed/0x520 [ 698.749677] ? bpf_test_run+0x3cb/0x780 [ 698.753660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.759211] ? check_preemption_disabled+0x48/0x280 [ 698.764240] ? kasan_check_read+0x11/0x20 [ 698.768396] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 698.773683] ? rcu_softirq_qs+0x20/0x20 [ 698.777675] ? preempt_schedule+0x4d/0x60 [ 698.781835] ? ___preempt_schedule+0x16/0x18 [ 698.786254] ? bpf_test_run+0x25d/0x780 [ 698.790240] ? netlink_diag_dump+0x2a0/0x2a0 [ 698.794655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 698.800202] ? bpf_test_init.isra.10+0x70/0x100 [ 698.804883] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 698.809654] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 698.814505] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 698.820043] ? fput+0x130/0x1a0 [ 698.823326] ? __bpf_prog_get+0x9b/0x290 [ 698.827392] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 698.832246] ? bpf_prog_test_run+0x130/0x1a0 [ 698.836664] ? __x64_sys_bpf+0x3d8/0x520 [ 698.840742] ? bpf_prog_get+0x20/0x20 [ 698.844568] ? do_syscall_64+0x1b9/0x820 [ 698.848627] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 698.854000] ? syscall_return_slowpath+0x5e0/0x5e0 [ 698.858931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.863778] ? trace_hardirqs_on_caller+0x310/0x310 [ 698.868801] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 698.873823] ? prepare_exit_to_usermode+0x291/0x3b0 [ 698.878850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 698.883710] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 698.889088] warn_alloc_show_mem: 1 callbacks suppressed [ 698.889100] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 698.889102] Mem-Info: [ 698.889135] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 698.889135] active_file:14 inactive_file:14 isolated_file:0 [ 698.889135] unevictable:0 dirty:0 writeback:0 unstable:0 [ 698.889135] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 698.889135] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 698.889135] free:13772 free_pcp:380 free_cma:0 [ 698.894471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 698.901495] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 698.903898] Call Trace: [ 698.937032] 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 [ 698.946388] [ 698.974468] lowmem_reserve[]: 0 2818 6321 6321 [ 698.977073] dump_stack+0x244/0x39d [ 699.003160] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 699.005336] ? dump_stack_print_info.cold.1+0x20/0x20 [ 699.009874] lowmem_reserve[]: 0 0 3503 3503 [ 699.013516] warn_alloc.cold.116+0xb7/0x1bd [ 699.040989] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 699.046182] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 699.050470] lowmem_reserve[]: 0 0 0 0 [ 699.054792] ? lock_downgrade+0x900/0x900 [ 699.083923] 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 [ 699.088775] ? trace_hardirqs_off+0xb8/0x310 [ 699.092539] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 699.096690] ? trace_hardirqs_off+0xb8/0x310 [ 699.110206] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 699.114631] __alloc_pages_slowpath+0x26e8/0x2e10 [ 699.129874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 699.134304] ? warn_alloc+0x120/0x120 [ 699.148654] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 699.153501] ? print_usage_bug+0xc0/0xc0 [ 699.162309] 12557 total pagecache pages [ 699.166111] ? warn_alloc+0x120/0x120 [ 699.174662] 0 pages in swap cache [ 699.178819] ? __mix_pool_bytes+0x100/0x440 [ 699.182698] Swap cache stats: add 0, delete 0, find 0/0 [ 699.186493] ? warn_alloc+0x120/0x120 [ 699.189924] Free swap = 0kB [ 699.194244] ? print_usage_bug+0xc0/0xc0 [ 699.199578] Total swap = 0kB [ 699.203376] ? print_usage_bug+0xc0/0xc0 [ 699.206367] 1965979 pages RAM [ 699.210431] ? __lock_acquire+0x62f/0x4c20 [ 699.213433] 0 pages HighMem/MovableOnly [ 699.217497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 699.220577] 342853 pages reserved [ 699.224807] ? should_fail+0x22d/0xd01 [ 699.228756] 0 pages cma reserved [ 699.234292] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 699.237794] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 699.241602] ? __lock_acquire+0x62f/0x4c20 [ 699.245008] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 699.250050] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 699.256518] syz-executor1 cpuset=syz1 mems_allowed=0 [ 699.260757] ? __lock_acquire+0x62f/0x4c20 [ 699.285633] ? should_fail+0x22d/0xd01 [ 699.289543] ? mark_held_locks+0x130/0x130 [ 699.293787] ? mark_held_locks+0x130/0x130 [ 699.298028] ? rcu_softirq_qs+0x20/0x20 [ 699.302012] ? mark_held_locks+0xc7/0x130 [ 699.306165] ? zap_class+0x640/0x640 [ 699.309908] ? print_usage_bug+0xc0/0xc0 [ 699.313980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.319532] ? check_preemption_disabled+0x48/0x280 [ 699.324570] ? __lock_is_held+0xb5/0x140 [ 699.328646] __alloc_pages_nodemask+0xa80/0xde0 [ 699.333327] ? zap_class+0x640/0x640 [ 699.337053] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 699.342085] ? find_held_lock+0x36/0x1c0 [ 699.346162] ? ____cache_alloc_node+0x1c7/0x1e0 [ 699.350857] ? lock_downgrade+0x900/0x900 [ 699.355023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.360572] cache_grow_begin+0xa5/0x8c0 [ 699.364639] ? do_raw_spin_unlock+0xa7/0x330 [ 699.369057] fallback_alloc+0x204/0x2e0 [ 699.373047] ____cache_alloc_node+0x1c7/0x1e0 [ 699.377555] kmem_cache_alloc_node+0xe3/0x730 [ 699.382061] ? ipv6_get_ifaddr+0x42e/0x620 [ 699.386315] __alloc_skb+0x119/0x770 [ 699.390029] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 699.395320] ? netdev_alloc_frag+0x1f0/0x1f0 [ 699.399732] ? lock_downgrade+0x900/0x900 [ 699.403892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.409443] ? refcount_sub_and_test_checked+0x203/0x310 [ 699.414906] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 699.420364] ? addrconf_rs_timer+0x690/0x690 [ 699.424795] ndisc_alloc_skb+0x144/0x340 [ 699.428868] ndisc_send_rs+0x331/0x6e0 [ 699.432778] addrconf_rs_timer+0x314/0x690 [ 699.437026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.441289] call_timer_fn+0x272/0x920 [ 699.445182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.449436] ? process_timeout+0x40/0x40 [ 699.453515] ? mark_held_locks+0xc7/0x130 [ 699.457668] ? _raw_spin_unlock_irq+0x27/0x80 [ 699.462166] ? _raw_spin_unlock_irq+0x27/0x80 [ 699.466668] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.470908] ? lockdep_hardirqs_on+0x296/0x5b0 [ 699.475511] ? trace_hardirqs_on+0xbd/0x310 [ 699.479837] ? kasan_check_read+0x11/0x20 [ 699.483998] ? __run_timers+0x7da/0xc70 [ 699.488064] ? trace_hardirqs_off_caller+0x310/0x310 [ 699.493178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.497436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 699.501677] __run_timers+0x7e5/0xc70 [ 699.505495] ? timer_fixup_init+0x70/0x70 [ 699.509654] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 699.514698] ? zap_class+0x640/0x640 [ 699.518438] ? print_usage_bug+0xc0/0xc0 [ 699.522519] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 699.527729] ? find_held_lock+0x36/0x1c0 [ 699.531803] ? zap_class+0x640/0x640 [ 699.535531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.541074] ? check_preemption_disabled+0x48/0x280 [ 699.546106] ? __lock_is_held+0xb5/0x140 [ 699.550179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.555732] ? check_preemption_disabled+0x48/0x280 [ 699.560764] run_timer_softirq+0x52/0xb0 [ 699.564831] ? rcu_read_lock_sched_held+0x14f/0x180 [ 699.569853] __do_softirq+0x308/0xb7e [ 699.573663] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 699.578162] ? lock_downgrade+0x900/0x900 [ 699.582329] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 699.587456] ? pvclock_read_flags+0x160/0x160 [ 699.591959] ? lapic_next_event+0x5a/0x90 [ 699.596118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.601715] ? kvm_clock_read+0x18/0x30 [ 699.605699] ? kvm_sched_clock_read+0x9/0x20 [ 699.610125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 699.615681] ? check_preemption_disabled+0x48/0x280 [ 699.620719] irq_exit+0x17f/0x1c0 [ 699.624191] smp_apic_timer_interrupt+0x1cb/0x760 [ 699.629044] ? smp_reschedule_interrupt+0x109/0x650 [ 699.634078] ? smp_call_function_single_interrupt+0x650/0x650 [ 699.639977] ? interrupt_entry+0xb5/0xc0 [ 699.644069] ? trace_hardirqs_off_caller+0xbb/0x310 [ 699.649095] ? trace_hardirqs_off_caller+0xbb/0x310 [ 699.654135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 699.658987] ? trace_hardirqs_on_caller+0x310/0x310 [ 699.664008] ? trace_hardirqs_on_caller+0x310/0x310 [ 699.669030] ? task_prio+0x50/0x50 [ 699.672581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.678129] ? check_preemption_disabled+0x48/0x280 [ 699.683162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 699.688026] apic_timer_interrupt+0xf/0x20 [ 699.692261] [ 699.694503] RIP: 0010:dump_stack+0x20e/0x39d [ 699.698915] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 699.717826] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 699.725555] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 699.732835] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 699.740114] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 699.747433] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 699.754713] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 699.762027] ? dump_stack+0x205/0x39d [ 699.765857] ? dump_stack_print_info.cold.1+0x20/0x20 [ 699.771059] ? mark_held_locks+0x130/0x130 [ 699.775299] ? mark_held_locks+0x130/0x130 [ 699.779545] dump_header+0x27b/0xf72 [ 699.783277] ? pagefault_out_of_memory+0x197/0x197 [ 699.788242] ? __lock_acquire+0x62f/0x4c20 [ 699.792482] ? percpu_ref_get_many+0x240/0x240 [ 699.797076] ? print_usage_bug+0xc0/0xc0 [ 699.801149] ? zap_class+0x640/0x640 [ 699.804873] ? print_usage_bug+0xc0/0xc0 [ 699.808945] ? print_usage_bug+0xc0/0xc0 [ 699.813021] ? zap_class+0x640/0x640 [ 699.816748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.822293] ? find_held_lock+0x36/0x1c0 [ 699.826367] ? mark_held_locks+0xc7/0x130 [ 699.830523] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 699.835632] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 699.840753] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 699.845347] ? trace_hardirqs_on+0xbd/0x310 [ 699.849679] ? kasan_check_read+0x11/0x20 [ 699.853839] ? ___ratelimit+0x3b4/0x672 [ 699.857851] ? trace_hardirqs_off_caller+0x310/0x310 [ 699.862988] ? trace_hardirqs_on+0x310/0x310 [ 699.867413] ? lock_downgrade+0x900/0x900 [ 699.871591] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 699.876707] ? ___ratelimit+0x3b9/0x672 [ 699.880703] ? idr_get_free+0xf70/0xf70 [ 699.884722] ? find_held_lock+0x36/0x1c0 [ 699.888812] oom_kill_process.cold.27+0x10/0x903 [ 699.893581] ? zap_class+0x640/0x640 [ 699.897312] ? check_preemption_disabled+0x48/0x280 [ 699.902346] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 699.907288] ? kasan_check_read+0x11/0x20 [ 699.911453] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 699.916744] ? oom_evaluate_task+0x540/0x540 [ 699.921167] ? find_held_lock+0x36/0x1c0 [ 699.925253] ? out_of_memory+0x974/0x1430 [ 699.929409] ? lock_downgrade+0x900/0x900 [ 699.933566] ? check_preemption_disabled+0x48/0x280 [ 699.938592] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 699.943527] ? kasan_check_read+0x11/0x20 [ 699.947855] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 699.953139] ? rcu_softirq_qs+0x20/0x20 [ 699.957132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 699.962673] ? oom_evaluate_task+0x302/0x540 [ 699.967096] out_of_memory+0xa84/0x1430 [ 699.971081] ? oom_killer_disable+0x3a0/0x3a0 [ 699.975586] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 699.980537] ? __ww_mutex_check_waiters+0x160/0x160 [ 699.985588] __alloc_pages_slowpath+0x2354/0x2e10 [ 699.990481] ? warn_alloc+0x120/0x120 [ 699.994300] ? mark_held_locks+0x130/0x130 [ 699.998546] ? find_get_entry+0xaae/0x1120 [ 700.002798] ? filemap_map_pages+0x1a20/0x1a20 [ 700.007393] ? zap_class+0x640/0x640 [ 700.011145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.016691] ? check_preemption_disabled+0x48/0x280 [ 700.021722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.027269] ? should_fail+0x22d/0xd01 [ 700.031170] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 700.036292] ? zap_class+0x640/0x640 [ 700.040037] ? __lock_is_held+0xb5/0x140 [ 700.044113] ? mark_held_locks+0x130/0x130 [ 700.048358] ? lock_release+0xa00/0xa00 [ 700.052342] ? perf_trace_sched_process_exec+0x860/0x860 [ 700.057807] ? xa_load+0x2ba/0x460 [ 700.061358] ? lock_downgrade+0x900/0x900 [ 700.065518] ? __might_sleep+0x95/0x190 [ 700.069511] __alloc_pages_nodemask+0xa80/0xde0 [ 700.074201] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 700.079235] ? __page_cache_alloc+0x191/0x5c0 [ 700.083745] ? xa_load+0x2e1/0x460 [ 700.087295] ? xa_clear_mark+0x40/0x40 [ 700.091193] ? zap_class+0x640/0x640 [ 700.094923] ? zap_class+0x640/0x640 [ 700.098639] ? zap_class+0x640/0x640 [ 700.102356] ? __do_page_cache_readahead+0x663/0x810 [ 700.108004] ? find_held_lock+0x36/0x1c0 [ 700.112082] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 700.117632] alloc_pages_current+0x173/0x350 [ 700.122055] __page_cache_alloc+0x38c/0x5c0 [ 700.126380] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 700.131935] ? kasan_check_read+0x11/0x20 [ 700.136092] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 700.141379] ? generic_perform_write+0x6a0/0x6a0 [ 700.146145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.151691] ? check_preemption_disabled+0x48/0x280 [ 700.156727] filemap_fault+0x1595/0x25f0 [ 700.160824] ? __lock_page_or_retry+0xa00/0xa00 [ 700.165509] ? mark_held_locks+0x130/0x130 [ 700.169764] ? filemap_map_pages+0xd6b/0x1a20 [ 700.174278] ? lock_downgrade+0x900/0x900 [ 700.178441] ? check_preemption_disabled+0x48/0x280 [ 700.183472] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 700.188409] ? kasan_check_read+0x11/0x20 [ 700.192569] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 700.197853] ? rcu_softirq_qs+0x20/0x20 [ 700.201848] ? filemap_map_pages+0xd92/0x1a20 [ 700.206366] ? find_get_entries_tag+0x1400/0x1400 [ 700.211228] ? debug_object_destroy+0x2b0/0x2b0 [ 700.215914] ? lock_pi_update_atomic+0x150/0x150 [ 700.220680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.226257] ? lock_acquire+0x1ed/0x520 [ 700.230245] ? ext4_filemap_fault+0x7a/0xad [ 700.234595] ? lock_release+0xa00/0xa00 [ 700.238576] ? perf_trace_sched_process_exec+0x860/0x860 [ 700.244039] ? print_usage_bug+0xc0/0xc0 [ 700.248104] ? print_usage_bug+0xc0/0xc0 [ 700.252184] ? down_read+0x8d/0x120 [ 700.255820] ? ext4_filemap_fault+0x7a/0xad [ 700.260149] ? __down_interruptible+0x700/0x700 [ 700.264838] ext4_filemap_fault+0x82/0xad [ 700.268991] __do_fault+0x100/0x6b0 [ 700.272635] ? find_held_lock+0x36/0x1c0 [ 700.276706] ? pmd_devmap_trans_unstable+0x220/0x220 [ 700.281822] ? mark_held_locks+0x130/0x130 [ 700.286063] ? mark_held_locks+0x130/0x130 [ 700.290306] ? debug_smp_processor_id+0x1c/0x20 [ 700.294975] ? perf_trace_lock+0x14d/0x7a0 [ 700.299216] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 700.303807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.309354] __handle_mm_fault+0x3ea0/0x5be0 [ 700.313787] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 700.318633] ? lock_is_held_type+0x210/0x210 [ 700.323050] ? preempt_notifier_register+0x200/0x200 [ 700.328158] ? __switch_to_asm+0x34/0x70 [ 700.332231] ? __switch_to_asm+0x34/0x70 [ 700.336310] ? zap_class+0x640/0x640 [ 700.340908] ? zap_class+0x640/0x640 [ 700.344626] ? __x64_sys_futex+0x53e/0x6a0 [ 700.348873] ? find_held_lock+0x36/0x1c0 [ 700.352949] ? handle_mm_fault+0x42a/0xc70 [ 700.357198] ? lock_downgrade+0x900/0x900 [ 700.361351] ? check_preemption_disabled+0x48/0x280 [ 700.366373] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 700.371306] ? kasan_check_read+0x11/0x20 [ 700.375464] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 700.380750] ? rcu_softirq_qs+0x20/0x20 [ 700.384735] ? trace_hardirqs_off_caller+0x310/0x310 [ 700.389842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.395389] ? check_preemption_disabled+0x48/0x280 [ 700.400437] handle_mm_fault+0x54f/0xc70 [ 700.404526] ? __handle_mm_fault+0x5be0/0x5be0 [ 700.409122] ? find_vma+0x34/0x190 [ 700.412675] __do_page_fault+0x5e8/0xe60 [ 700.416747] ? trace_hardirqs_off+0xb8/0x310 [ 700.421170] do_page_fault+0xf2/0x7e0 [ 700.424985] ? vmalloc_sync_all+0x30/0x30 [ 700.429135] ? error_entry+0x70/0xd0 [ 700.432857] ? trace_hardirqs_off_caller+0xbb/0x310 [ 700.437873] ? trace_hardirqs_on_caller+0xc0/0x310 [ 700.442811] ? syscall_return_slowpath+0x5e0/0x5e0 [ 700.447744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 700.452609] ? trace_hardirqs_on_caller+0x310/0x310 [ 700.457632] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 700.463098] ? prepare_exit_to_usermode+0x291/0x3b0 [ 700.468125] ? page_fault+0x8/0x30 [ 700.471678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 700.476548] ? page_fault+0x8/0x30 [ 700.480100] page_fault+0x1e/0x30 [ 700.483563] RIP: 0033:0x40f9c0 [ 700.486768] Code: Bad RIP value. [ 700.490131] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 700.495494] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 700.502777] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 700.510052] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 700.517327] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 700.524602] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 700.531917] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 700.531984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 700.539196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 700.539201] Call Trace: [ 700.539207] [ 700.539232] dump_stack+0x244/0x39d [ 700.539251] ? dump_stack_print_info.cold.1+0x20/0x20 [ 700.539277] warn_alloc.cold.116+0xb7/0x1bd [ 700.545942] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 700.555114] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 700.557674] syz-fuzzer cpuset=/ mems_allowed=0 [ 700.559827] ? lock_downgrade+0x900/0x900 [ 700.596671] ? trace_hardirqs_off+0xb8/0x310 [ 700.601109] ? trace_hardirqs_off+0xb8/0x310 [ 700.605531] __alloc_pages_slowpath+0x26e8/0x2e10 [ 700.610405] ? warn_alloc+0x120/0x120 [ 700.614218] ? print_usage_bug+0xc0/0xc0 [ 700.618283] ? warn_alloc+0x120/0x120 [ 700.622094] ? warn_alloc+0x120/0x120 [ 700.625903] ? print_usage_bug+0xc0/0xc0 [ 700.629970] ? print_usage_bug+0xc0/0xc0 [ 700.634036] ? __lock_acquire+0x62f/0x4c20 [ 700.638280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.643824] ? should_fail+0x22d/0xd01 [ 700.647719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 700.652829] ? __lock_acquire+0x62f/0x4c20 [ 700.657070] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 700.662180] ? __lock_acquire+0x62f/0x4c20 [ 700.666435] ? should_fail+0x22d/0xd01 [ 700.670325] ? find_held_lock+0x36/0x1c0 [ 700.674395] ? mark_held_locks+0x130/0x130 [ 700.678648] ? mark_held_locks+0x130/0x130 [ 700.682887] ? zap_class+0x640/0x640 [ 700.686609] ? zap_class+0x640/0x640 [ 700.690329] ? print_usage_bug+0xc0/0xc0 [ 700.694394] ? do_raw_spin_unlock+0xa7/0x330 [ 700.698815] ? zap_class+0x640/0x640 [ 700.702531] ? print_usage_bug+0xc0/0xc0 [ 700.706591] ? wq_watchdog_touch+0x9c/0xfe [ 700.710836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.716379] ? check_preemption_disabled+0x48/0x280 [ 700.721411] ? __lock_is_held+0xb5/0x140 [ 700.725489] __alloc_pages_nodemask+0xa80/0xde0 [ 700.730161] ? zap_class+0x640/0x640 [ 700.733885] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 700.738916] ? find_held_lock+0x36/0x1c0 [ 700.742988] ? ____cache_alloc_node+0x1c7/0x1e0 [ 700.747667] ? lock_downgrade+0x900/0x900 [ 700.751836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.757385] cache_grow_begin+0xa5/0x8c0 [ 700.761454] ? do_raw_spin_unlock+0xa7/0x330 [ 700.765884] fallback_alloc+0x204/0x2e0 [ 700.769872] ____cache_alloc_node+0x1c7/0x1e0 [ 700.774376] kmem_cache_alloc_node+0xe3/0x730 [ 700.778876] ? ipv6_get_ifaddr+0x42e/0x620 [ 700.783124] __alloc_skb+0x119/0x770 [ 700.786841] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 700.792127] ? netdev_alloc_frag+0x1f0/0x1f0 [ 700.796547] ? lock_downgrade+0x900/0x900 [ 700.800714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.806266] ? refcount_sub_and_test_checked+0x203/0x310 [ 700.811735] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 700.817188] ? addrconf_rs_timer+0x690/0x690 [ 700.821616] ndisc_alloc_skb+0x144/0x340 [ 700.825685] ndisc_send_rs+0x331/0x6e0 [ 700.829591] addrconf_rs_timer+0x314/0x690 [ 700.833836] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 700.838083] call_timer_fn+0x272/0x920 [ 700.841971] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 700.846212] ? process_timeout+0x40/0x40 [ 700.850283] ? __run_timers+0x7da/0xc70 [ 700.854266] ? _raw_spin_unlock_irq+0x27/0x80 [ 700.858758] ? _raw_spin_unlock_irq+0x27/0x80 [ 700.863254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 700.867494] ? lockdep_hardirqs_on+0x296/0x5b0 [ 700.872077] ? trace_hardirqs_on+0xbd/0x310 [ 700.876413] ? kasan_check_read+0x11/0x20 [ 700.880572] ? __run_timers+0x7da/0xc70 [ 700.884564] ? trace_hardirqs_off_caller+0x310/0x310 [ 700.889678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 700.893928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 700.898164] __run_timers+0x7e5/0xc70 [ 700.901977] ? timer_fixup_init+0x70/0x70 [ 700.906129] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 700.911147] ? zap_class+0x640/0x640 [ 700.914864] ? enqueue_hrtimer+0x1a5/0x560 [ 700.919103] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 700.924304] ? find_held_lock+0x36/0x1c0 [ 700.928375] ? zap_class+0x640/0x640 [ 700.932097] ? pvclock_read_flags+0x160/0x160 [ 700.936600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.942146] ? check_preemption_disabled+0x48/0x280 [ 700.947177] ? __lock_is_held+0xb5/0x140 [ 700.951243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.956785] ? check_preemption_disabled+0x48/0x280 [ 700.961808] run_timer_softirq+0x52/0xb0 [ 700.965871] ? rcu_read_lock_sched_held+0x14f/0x180 [ 700.970892] __do_softirq+0x308/0xb7e [ 700.974934] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 700.979437] ? lock_downgrade+0x900/0x900 [ 700.983594] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 700.988717] ? pvclock_read_flags+0x160/0x160 [ 700.993221] ? lapic_next_event+0x5a/0x90 [ 700.997377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.002922] ? kvm_clock_read+0x18/0x30 [ 701.006901] ? kvm_sched_clock_read+0x9/0x20 [ 701.011314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.016857] ? check_preemption_disabled+0x48/0x280 [ 701.021890] irq_exit+0x17f/0x1c0 [ 701.025346] smp_apic_timer_interrupt+0x1cb/0x760 [ 701.030186] ? smp_reschedule_interrupt+0x109/0x650 [ 701.035208] ? smp_call_function_single_interrupt+0x650/0x650 [ 701.041096] ? interrupt_entry+0xb5/0xc0 [ 701.045160] ? trace_hardirqs_off_caller+0xbb/0x310 [ 701.050176] ? trace_hardirqs_off_caller+0xbb/0x310 [ 701.055194] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.060047] ? trace_hardirqs_on_caller+0x310/0x310 [ 701.065063] ? trace_hardirqs_on_caller+0x310/0x310 [ 701.070087] ? task_prio+0x50/0x50 [ 701.073637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.079181] ? check_preemption_disabled+0x48/0x280 [ 701.084222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.089077] apic_timer_interrupt+0xf/0x20 [ 701.093305] [ 701.095548] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 701.100480] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 701.119386] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 701.127101] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 701.134370] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 701.141640] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 701.148907] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 701.156175] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 701.163499] skb_clone+0x1bb/0x500 [ 701.167047] ? finish_task_switch+0x1b4/0x910 [ 701.171545] ? skb_split+0x11e0/0x11e0 [ 701.175444] ? preempt_notifier_register+0x200/0x200 [ 701.180551] ? __switch_to_asm+0x34/0x70 [ 701.184622] ? __switch_to_asm+0x34/0x70 [ 701.188679] ? __switch_to_asm+0x40/0x70 [ 701.192747] ? __switch_to_asm+0x34/0x70 [ 701.196808] ? __switch_to_asm+0x40/0x70 [ 701.200867] ? __switch_to_asm+0x34/0x70 [ 701.204924] ? __switch_to_asm+0x40/0x70 [ 701.208980] ? __switch_to_asm+0x34/0x70 [ 701.213045] ? __switch_to_asm+0x34/0x70 [ 701.217101] ? __switch_to_asm+0x40/0x70 [ 701.221161] ? __switch_to_asm+0x34/0x70 [ 701.225242] bpf_clone_redirect+0xb9/0x490 [ 701.229480] ? __schedule+0x8d7/0x21d0 [ 701.233376] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 701.238400] ? __sched_text_start+0x8/0x8 [ 701.242563] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 701.247144] ? retint_kernel+0x2d/0x2d [ 701.251035] ? trace_hardirqs_on_caller+0xc0/0x310 [ 701.255973] ? find_held_lock+0x36/0x1c0 [ 701.260043] ? lock_acquire+0x1ed/0x520 [ 701.264457] ? bpf_test_run+0x3cb/0x780 [ 701.268447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.273988] ? check_preemption_disabled+0x48/0x280 [ 701.279010] ? kasan_check_read+0x11/0x20 [ 701.283159] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 701.288453] ? rcu_softirq_qs+0x20/0x20 [ 701.292443] ? preempt_schedule+0x4d/0x60 [ 701.296597] ? ___preempt_schedule+0x16/0x18 [ 701.301018] ? bpf_test_run+0x25d/0x780 [ 701.305023] ? netlink_diag_dump+0x2a0/0x2a0 [ 701.309452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.314999] ? bpf_test_init.isra.10+0x70/0x100 [ 701.319691] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 701.324467] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 701.329313] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 701.334857] ? fput+0x130/0x1a0 [ 701.338143] ? __bpf_prog_get+0x9b/0x290 [ 701.342219] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 701.347061] ? bpf_prog_test_run+0x130/0x1a0 [ 701.351476] ? __x64_sys_bpf+0x3d8/0x520 [ 701.355539] ? bpf_prog_get+0x20/0x20 [ 701.359366] ? do_syscall_64+0x1b9/0x820 [ 701.363435] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 701.368810] ? syscall_return_slowpath+0x5e0/0x5e0 [ 701.373742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.378593] ? trace_hardirqs_on_caller+0x310/0x310 [ 701.383619] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 701.388638] ? prepare_exit_to_usermode+0x291/0x3b0 [ 701.393661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.398522] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 701.403908] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 701.403914] warn_alloc_show_mem: 1 callbacks suppressed [ 701.403921] Mem-Info: [ 701.410929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 701.410938] Call Trace: [ 701.416319] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 701.416319] active_file:14 inactive_file:14 isolated_file:0 [ 701.416319] unevictable:0 dirty:0 writeback:0 unstable:0 [ 701.416319] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 701.416319] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 701.416319] free:13772 free_pcp:380 free_cma:0 [ 701.418694] [ 701.418721] dump_stack+0x244/0x39d [ 701.428076] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 701.430669] ? dump_stack_print_info.cold.1+0x20/0x20 [ 701.463792] 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 [ 701.465967] warn_alloc.cold.116+0xb7/0x1bd [ 701.469549] lowmem_reserve[]: 0 2818 6321 6321 [ 701.497419] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 701.502594] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 701.528719] ? lock_downgrade+0x900/0x900 [ 701.533015] lowmem_reserve[]: 0 0 3503 3503 [ 701.537622] ? trace_hardirqs_off+0xb8/0x310 [ 701.542438] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 701.569963] ? trace_hardirqs_off+0xb8/0x310 [ 701.574083] lowmem_reserve[]: 0 0 0 0 [ 701.578410] __alloc_pages_slowpath+0x26e8/0x2e10 [ 701.582783] 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 [ 701.611961] ? warn_alloc+0x120/0x120 [ 701.616331] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 701.620142] ? warn_alloc+0x120/0x120 [ 701.624957] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 701.638490] ? warn_alloc+0x120/0x120 [ 701.642272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 701.657536] ? print_usage_bug+0xc0/0xc0 [ 701.661316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 701.675708] ? warn_alloc+0x120/0x120 [ 701.679485] 12557 total pagecache pages [ 701.688320] ? print_usage_bug+0xc0/0xc0 [ 701.692354] 0 pages in swap cache [ 701.700936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.704706] Swap cache stats: add 0, delete 0, find 0/0 [ 701.708676] ? should_fail+0x22d/0xd01 [ 701.712712] Free swap = 0kB [ 701.716163] ? __lock_acquire+0x62f/0x4c20 [ 701.721665] Total swap = 0kB [ 701.721674] 1965979 pages RAM [ 701.727038] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 701.730896] 0 pages HighMem/MovableOnly [ 701.733911] ? __lock_acquire+0x62f/0x4c20 [ 701.738115] 342853 pages reserved [ 701.741130] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 701.744210] 0 pages cma reserved [ 701.749317] ? __lock_acquire+0x62f/0x4c20 [ 701.753330] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 701.757488] ? should_fail+0x22d/0xd01 [ 701.757517] ? mark_held_locks+0x130/0x130 [ 701.757536] ? mark_held_locks+0x130/0x130 [ 701.761028] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 701.766067] ? mark_held_locks+0x130/0x130 [ 701.769406] syz-executor1 cpuset=syz1 mems_allowed=0 [ 701.773652] ? zap_class+0x640/0x640 [ 701.815942] ? print_usage_bug+0xc0/0xc0 [ 701.820013] ? mark_held_locks+0x130/0x130 [ 701.824263] ? print_usage_bug+0xc0/0xc0 [ 701.828337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.833891] ? check_preemption_disabled+0x48/0x280 [ 701.838931] ? __lock_is_held+0xb5/0x140 [ 701.843011] __alloc_pages_nodemask+0xa80/0xde0 [ 701.847692] ? zap_class+0x640/0x640 [ 701.851420] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 701.856470] ? find_held_lock+0x36/0x1c0 [ 701.860551] ? ____cache_alloc_node+0x1c7/0x1e0 [ 701.865231] ? lock_downgrade+0x900/0x900 [ 701.869393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.874952] cache_grow_begin+0xa5/0x8c0 [ 701.879018] ? do_raw_spin_unlock+0xa7/0x330 [ 701.883450] fallback_alloc+0x204/0x2e0 [ 701.887447] ____cache_alloc_node+0x1c7/0x1e0 [ 701.891953] kmem_cache_alloc_node+0xe3/0x730 [ 701.896462] ? ipv6_get_ifaddr+0x42e/0x620 [ 701.900752] __alloc_skb+0x119/0x770 [ 701.904468] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 701.909757] ? netdev_alloc_frag+0x1f0/0x1f0 [ 701.914169] ? lock_downgrade+0x900/0x900 [ 701.918332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.923886] ? refcount_sub_and_test_checked+0x203/0x310 [ 701.929344] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 701.934805] ? addrconf_rs_timer+0x690/0x690 [ 701.939238] ndisc_alloc_skb+0x144/0x340 [ 701.943312] ndisc_send_rs+0x331/0x6e0 [ 701.947212] addrconf_rs_timer+0x314/0x690 [ 701.951471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.955730] call_timer_fn+0x272/0x920 [ 701.960228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.964470] ? process_timeout+0x40/0x40 [ 701.968542] ? mark_held_locks+0xc7/0x130 [ 701.972699] ? _raw_spin_unlock_irq+0x27/0x80 [ 701.977206] ? _raw_spin_unlock_irq+0x27/0x80 [ 701.981713] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 701.985954] ? lockdep_hardirqs_on+0x296/0x5b0 [ 701.990542] ? trace_hardirqs_on+0xbd/0x310 [ 701.994866] ? kasan_check_read+0x11/0x20 [ 701.999017] ? __run_timers+0x7da/0xc70 [ 702.002997] ? trace_hardirqs_off_caller+0x310/0x310 [ 702.008179] ? tcp_compressed_ack_kick+0x220/0x220 [ 702.013138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 702.017372] __run_timers+0x7e5/0xc70 [ 702.021198] ? timer_fixup_init+0x70/0x70 [ 702.025356] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 702.030380] ? zap_class+0x640/0x640 [ 702.034101] ? print_usage_bug+0xc0/0xc0 [ 702.038170] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 702.043372] ? find_held_lock+0x36/0x1c0 [ 702.047446] ? zap_class+0x640/0x640 [ 702.051172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.056720] ? check_preemption_disabled+0x48/0x280 [ 702.061752] ? __lock_is_held+0xb5/0x140 [ 702.065820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.071360] ? check_preemption_disabled+0x48/0x280 [ 702.076389] run_timer_softirq+0x52/0xb0 [ 702.080459] ? rcu_read_lock_sched_held+0x14f/0x180 [ 702.085484] __do_softirq+0x308/0xb7e [ 702.089295] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 702.093791] ? lock_downgrade+0x900/0x900 [ 702.097945] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 702.103064] ? pvclock_read_flags+0x160/0x160 [ 702.108093] ? lapic_next_event+0x5a/0x90 [ 702.112278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.117828] ? kvm_clock_read+0x18/0x30 [ 702.121806] ? kvm_sched_clock_read+0x9/0x20 [ 702.126226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.131777] ? check_preemption_disabled+0x48/0x280 [ 702.136809] irq_exit+0x17f/0x1c0 [ 702.140285] smp_apic_timer_interrupt+0x1cb/0x760 [ 702.145129] ? smp_reschedule_interrupt+0x109/0x650 [ 702.150162] ? smp_call_function_single_interrupt+0x650/0x650 [ 702.156070] ? interrupt_entry+0xb5/0xc0 [ 702.160142] ? trace_hardirqs_off_caller+0xbb/0x310 [ 702.165165] ? trace_hardirqs_off_caller+0xbb/0x310 [ 702.170210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.175081] ? trace_hardirqs_on_caller+0x310/0x310 [ 702.180108] ? trace_hardirqs_on_caller+0x310/0x310 [ 702.185149] ? task_prio+0x50/0x50 [ 702.188699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.194256] ? check_preemption_disabled+0x48/0x280 [ 702.199298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.204173] apic_timer_interrupt+0xf/0x20 [ 702.208437] [ 702.210687] RIP: 0010:dump_stack+0x20e/0x39d [ 702.215105] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 702.234020] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 702.241745] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 702.249025] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 702.256306] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 702.263586] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 702.270859] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 702.278164] ? dump_stack+0x205/0x39d [ 702.281992] ? dump_stack_print_info.cold.1+0x20/0x20 [ 702.287198] ? mark_held_locks+0x130/0x130 [ 702.291441] ? mark_held_locks+0x130/0x130 [ 702.295686] dump_header+0x27b/0xf72 [ 702.299418] ? pagefault_out_of_memory+0x197/0x197 [ 702.304368] ? __lock_acquire+0x62f/0x4c20 [ 702.308621] ? percpu_ref_get_many+0x240/0x240 [ 702.313216] ? print_usage_bug+0xc0/0xc0 [ 702.317287] ? zap_class+0x640/0x640 [ 702.321003] ? print_usage_bug+0xc0/0xc0 [ 702.325066] ? print_usage_bug+0xc0/0xc0 [ 702.329136] ? zap_class+0x640/0x640 [ 702.332873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.338445] ? find_held_lock+0x36/0x1c0 [ 702.342553] ? mark_held_locks+0xc7/0x130 [ 702.346722] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 702.351836] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 702.356948] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 702.361543] ? trace_hardirqs_on+0xbd/0x310 [ 702.365865] ? kasan_check_read+0x11/0x20 [ 702.370015] ? ___ratelimit+0x3b4/0x672 [ 702.374008] ? trace_hardirqs_off_caller+0x310/0x310 [ 702.379120] ? trace_hardirqs_on+0x310/0x310 [ 702.383536] ? lock_downgrade+0x900/0x900 [ 702.387698] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 702.392809] ? ___ratelimit+0x3b9/0x672 [ 702.396806] ? idr_get_free+0xf70/0xf70 [ 702.400791] ? find_held_lock+0x36/0x1c0 [ 702.404870] oom_kill_process.cold.27+0x10/0x903 [ 702.409634] ? zap_class+0x640/0x640 [ 702.413354] ? check_preemption_disabled+0x48/0x280 [ 702.418378] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.423308] ? kasan_check_read+0x11/0x20 [ 702.427469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.432759] ? oom_evaluate_task+0x540/0x540 [ 702.437180] ? find_held_lock+0x36/0x1c0 [ 702.441257] ? out_of_memory+0x974/0x1430 [ 702.445415] ? lock_downgrade+0x900/0x900 [ 702.449576] ? check_preemption_disabled+0x48/0x280 [ 702.454604] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.459535] ? kasan_check_read+0x11/0x20 [ 702.463689] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.468969] ? rcu_softirq_qs+0x20/0x20 [ 702.472952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.478496] ? oom_evaluate_task+0x302/0x540 [ 702.482912] out_of_memory+0xa84/0x1430 [ 702.486901] ? oom_killer_disable+0x3a0/0x3a0 [ 702.491406] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 702.496359] ? __ww_mutex_check_waiters+0x160/0x160 [ 702.501390] __alloc_pages_slowpath+0x2354/0x2e10 [ 702.506270] ? warn_alloc+0x120/0x120 [ 702.510071] ? mark_held_locks+0x130/0x130 [ 702.514313] ? find_get_entry+0xaae/0x1120 [ 702.518564] ? filemap_map_pages+0x1a20/0x1a20 [ 702.523155] ? zap_class+0x640/0x640 [ 702.526888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.532436] ? check_preemption_disabled+0x48/0x280 [ 702.537469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.543009] ? should_fail+0x22d/0xd01 [ 702.546906] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 702.552017] ? zap_class+0x640/0x640 [ 702.555759] ? __lock_is_held+0xb5/0x140 [ 702.559833] ? mark_held_locks+0x130/0x130 [ 702.564072] ? lock_release+0xa00/0xa00 [ 702.568054] ? perf_trace_sched_process_exec+0x860/0x860 [ 702.573510] ? xa_load+0x2ba/0x460 [ 702.577058] ? lock_downgrade+0x900/0x900 [ 702.581218] ? __might_sleep+0x95/0x190 [ 702.585220] __alloc_pages_nodemask+0xa80/0xde0 [ 702.589898] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 702.594919] ? __page_cache_alloc+0x191/0x5c0 [ 702.599416] ? xa_load+0x2e1/0x460 [ 702.602967] ? xa_clear_mark+0x40/0x40 [ 702.606864] ? zap_class+0x640/0x640 [ 702.610585] ? zap_class+0x640/0x640 [ 702.614301] ? zap_class+0x640/0x640 [ 702.618016] ? __do_page_cache_readahead+0x663/0x810 [ 702.623125] ? find_held_lock+0x36/0x1c0 [ 702.627208] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 702.632755] alloc_pages_current+0x173/0x350 [ 702.637178] __page_cache_alloc+0x38c/0x5c0 [ 702.641519] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.646464] ? kasan_check_read+0x11/0x20 [ 702.650621] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.655913] ? generic_perform_write+0x6a0/0x6a0 [ 702.660688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.666246] ? check_preemption_disabled+0x48/0x280 [ 702.671282] filemap_fault+0x1595/0x25f0 [ 702.675360] ? __lock_page_or_retry+0xa00/0xa00 [ 702.680040] ? mark_held_locks+0x130/0x130 [ 702.684289] ? filemap_map_pages+0xd6b/0x1a20 [ 702.688793] ? lock_downgrade+0x900/0x900 [ 702.692953] ? check_preemption_disabled+0x48/0x280 [ 702.697979] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.702915] ? kasan_check_read+0x11/0x20 [ 702.707155] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.712449] ? rcu_softirq_qs+0x20/0x20 [ 702.716452] ? filemap_map_pages+0xd92/0x1a20 [ 702.720972] ? find_get_entries_tag+0x1400/0x1400 [ 702.725822] ? debug_object_destroy+0x2b0/0x2b0 [ 702.730501] ? lock_pi_update_atomic+0x150/0x150 [ 702.735257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.740813] ? lock_acquire+0x1ed/0x520 [ 702.744787] ? ext4_filemap_fault+0x7a/0xad [ 702.749121] ? lock_release+0xa00/0xa00 [ 702.753093] ? perf_trace_sched_process_exec+0x860/0x860 [ 702.758549] ? print_usage_bug+0xc0/0xc0 [ 702.762612] ? print_usage_bug+0xc0/0xc0 [ 702.766685] ? down_read+0x8d/0x120 [ 702.770310] ? ext4_filemap_fault+0x7a/0xad [ 702.774637] ? __down_interruptible+0x700/0x700 [ 702.779316] ext4_filemap_fault+0x82/0xad [ 702.783470] __do_fault+0x100/0x6b0 [ 702.787098] ? find_held_lock+0x36/0x1c0 [ 702.791165] ? pmd_devmap_trans_unstable+0x220/0x220 [ 702.796276] ? mark_held_locks+0x130/0x130 [ 702.800517] ? mark_held_locks+0x130/0x130 [ 702.804759] ? debug_smp_processor_id+0x1c/0x20 [ 702.809435] ? perf_trace_lock+0x14d/0x7a0 [ 702.813670] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 702.818260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.823808] __handle_mm_fault+0x3ea0/0x5be0 [ 702.828231] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 702.833081] ? lock_is_held_type+0x210/0x210 [ 702.837499] ? preempt_notifier_register+0x200/0x200 [ 702.842603] ? __switch_to_asm+0x34/0x70 [ 702.846661] ? __switch_to_asm+0x34/0x70 [ 702.850738] ? zap_class+0x640/0x640 [ 702.854460] ? zap_class+0x640/0x640 [ 702.858174] ? __x64_sys_futex+0x53e/0x6a0 [ 702.862421] ? find_held_lock+0x36/0x1c0 [ 702.866506] ? handle_mm_fault+0x42a/0xc70 [ 702.870748] ? lock_downgrade+0x900/0x900 [ 702.874900] ? check_preemption_disabled+0x48/0x280 [ 702.879924] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.884856] ? kasan_check_read+0x11/0x20 [ 702.889007] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.894287] ? rcu_softirq_qs+0x20/0x20 [ 702.898265] ? trace_hardirqs_off_caller+0x310/0x310 [ 702.903378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.908923] ? check_preemption_disabled+0x48/0x280 [ 702.913953] handle_mm_fault+0x54f/0xc70 [ 702.918020] ? __handle_mm_fault+0x5be0/0x5be0 [ 702.922609] ? find_vma+0x34/0x190 [ 702.926163] __do_page_fault+0x5e8/0xe60 [ 702.930232] ? trace_hardirqs_off+0xb8/0x310 [ 702.934658] do_page_fault+0xf2/0x7e0 [ 702.938470] ? vmalloc_sync_all+0x30/0x30 [ 702.942620] ? error_entry+0x70/0xd0 [ 702.946338] ? trace_hardirqs_off_caller+0xbb/0x310 [ 702.951355] ? trace_hardirqs_on_caller+0xc0/0x310 [ 702.956289] ? syscall_return_slowpath+0x5e0/0x5e0 [ 702.961219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.966071] ? trace_hardirqs_on_caller+0x310/0x310 [ 702.971099] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 702.976691] ? prepare_exit_to_usermode+0x291/0x3b0 [ 702.981721] ? page_fault+0x8/0x30 [ 702.985267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.990119] ? page_fault+0x8/0x30 [ 702.993663] page_fault+0x1e/0x30 [ 702.997115] RIP: 0033:0x40f9c0 [ 703.000318] Code: Bad RIP value. [ 703.003682] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 703.009045] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 703.016312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 703.023577] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 703.030844] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 703.038110] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 703.045410] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 703.045489] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 703.052704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 703.052710] Call Trace: [ 703.052717] [ 703.052742] dump_stack+0x244/0x39d [ 703.052761] ? dump_stack_print_info.cold.1+0x20/0x20 [ 703.059335] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 703.068606] warn_alloc.cold.116+0xb7/0x1bd [ 703.071157] syz-fuzzer cpuset=/ mems_allowed=0 [ 703.073305] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 703.106023] ? lock_downgrade+0x900/0x900 [ 703.110188] ? trace_hardirqs_off+0xb8/0x310 [ 703.114610] ? trace_hardirqs_off+0xb8/0x310 [ 703.119031] __alloc_pages_slowpath+0x26e8/0x2e10 [ 703.123909] ? warn_alloc+0x120/0x120 [ 703.127722] ? print_usage_bug+0xc0/0xc0 [ 703.131791] ? warn_alloc+0x120/0x120 [ 703.135596] ? warn_alloc+0x120/0x120 [ 703.139405] ? print_usage_bug+0xc0/0xc0 [ 703.143484] ? print_usage_bug+0xc0/0xc0 [ 703.147549] ? __lock_acquire+0x62f/0x4c20 [ 703.151796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.157335] ? should_fail+0x22d/0xd01 [ 703.161229] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 703.166334] ? __lock_acquire+0x62f/0x4c20 [ 703.170577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 703.175683] ? __lock_acquire+0x62f/0x4c20 [ 703.179928] ? should_fail+0x22d/0xd01 [ 703.183820] ? find_held_lock+0x36/0x1c0 [ 703.187890] ? mark_held_locks+0x130/0x130 [ 703.192129] ? mark_held_locks+0x130/0x130 [ 703.196362] ? zap_class+0x640/0x640 [ 703.200083] ? zap_class+0x640/0x640 [ 703.203801] ? print_usage_bug+0xc0/0xc0 [ 703.207875] ? do_raw_spin_unlock+0xa7/0x330 [ 703.212289] ? zap_class+0x640/0x640 [ 703.216005] ? print_usage_bug+0xc0/0xc0 [ 703.220079] ? wq_watchdog_touch+0x9c/0xfe [ 703.224325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.229873] ? check_preemption_disabled+0x48/0x280 [ 703.234913] ? __lock_is_held+0xb5/0x140 [ 703.238990] __alloc_pages_nodemask+0xa80/0xde0 [ 703.243662] ? zap_class+0x640/0x640 [ 703.247392] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 703.252442] ? find_held_lock+0x36/0x1c0 [ 703.256517] ? ____cache_alloc_node+0x1c7/0x1e0 [ 703.261199] ? lock_downgrade+0x900/0x900 [ 703.265364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.270913] cache_grow_begin+0xa5/0x8c0 [ 703.274975] ? do_raw_spin_unlock+0xa7/0x330 [ 703.279400] fallback_alloc+0x204/0x2e0 [ 703.283393] ____cache_alloc_node+0x1c7/0x1e0 [ 703.287903] kmem_cache_alloc_node+0xe3/0x730 [ 703.292400] ? ipv6_get_ifaddr+0x42e/0x620 [ 703.296654] __alloc_skb+0x119/0x770 [ 703.300371] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 703.305653] ? netdev_alloc_frag+0x1f0/0x1f0 [ 703.310062] ? lock_downgrade+0x900/0x900 [ 703.314218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.319762] ? refcount_sub_and_test_checked+0x203/0x310 [ 703.325219] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 703.330679] ? addrconf_rs_timer+0x690/0x690 [ 703.335106] ndisc_alloc_skb+0x144/0x340 [ 703.339176] ndisc_send_rs+0x331/0x6e0 [ 703.343071] addrconf_rs_timer+0x314/0x690 [ 703.347314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.351563] call_timer_fn+0x272/0x920 [ 703.355457] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.359699] ? process_timeout+0x40/0x40 [ 703.363768] ? __run_timers+0x7da/0xc70 [ 703.367745] ? _raw_spin_unlock_irq+0x27/0x80 [ 703.372240] ? _raw_spin_unlock_irq+0x27/0x80 [ 703.376737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.380977] ? lockdep_hardirqs_on+0x296/0x5b0 [ 703.385563] ? trace_hardirqs_on+0xbd/0x310 [ 703.389886] ? kasan_check_read+0x11/0x20 [ 703.394038] ? __run_timers+0x7da/0xc70 [ 703.398014] ? trace_hardirqs_off_caller+0x310/0x310 [ 703.403125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.407377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 703.411612] __run_timers+0x7e5/0xc70 [ 703.415433] ? timer_fixup_init+0x70/0x70 [ 703.419588] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 703.424607] ? zap_class+0x640/0x640 [ 703.428328] ? enqueue_hrtimer+0x1a5/0x560 [ 703.432569] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 703.437772] ? find_held_lock+0x36/0x1c0 [ 703.441846] ? zap_class+0x640/0x640 [ 703.445563] ? pvclock_read_flags+0x160/0x160 [ 703.450062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.455604] ? check_preemption_disabled+0x48/0x280 [ 703.460630] ? __lock_is_held+0xb5/0x140 [ 703.464698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.470242] ? check_preemption_disabled+0x48/0x280 [ 703.475272] run_timer_softirq+0x52/0xb0 [ 703.479344] ? rcu_read_lock_sched_held+0x14f/0x180 [ 703.484367] __do_softirq+0x308/0xb7e [ 703.488182] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 703.492683] ? lock_downgrade+0x900/0x900 [ 703.496848] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 703.501963] ? pvclock_read_flags+0x160/0x160 [ 703.506472] ? lapic_next_event+0x5a/0x90 [ 703.510628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.516175] ? kvm_clock_read+0x18/0x30 [ 703.520149] ? kvm_sched_clock_read+0x9/0x20 [ 703.524563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.530108] ? check_preemption_disabled+0x48/0x280 [ 703.535139] irq_exit+0x17f/0x1c0 [ 703.538597] smp_apic_timer_interrupt+0x1cb/0x760 [ 703.543451] ? smp_reschedule_interrupt+0x109/0x650 [ 703.548482] ? smp_call_function_single_interrupt+0x650/0x650 [ 703.554374] ? interrupt_entry+0xb5/0xc0 [ 703.558449] ? trace_hardirqs_off_caller+0xbb/0x310 [ 703.563470] ? trace_hardirqs_off_caller+0xbb/0x310 [ 703.568491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.573336] ? trace_hardirqs_on_caller+0x310/0x310 [ 703.578354] ? trace_hardirqs_on_caller+0x310/0x310 [ 703.583371] ? task_prio+0x50/0x50 [ 703.586916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.592463] ? check_preemption_disabled+0x48/0x280 [ 703.597491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.602353] apic_timer_interrupt+0xf/0x20 [ 703.606584] [ 703.608824] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 703.613758] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 703.632676] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 703.640394] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 703.647667] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 703.654945] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 703.662219] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 703.669496] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 703.676827] skb_clone+0x1bb/0x500 [ 703.680385] ? finish_task_switch+0x1b4/0x910 [ 703.684892] ? skb_split+0x11e0/0x11e0 [ 703.688791] ? preempt_notifier_register+0x200/0x200 [ 703.693897] ? __switch_to_asm+0x34/0x70 [ 703.697969] ? __switch_to_asm+0x34/0x70 [ 703.702040] ? __switch_to_asm+0x40/0x70 [ 703.706107] ? __switch_to_asm+0x34/0x70 [ 703.710179] ? __switch_to_asm+0x40/0x70 [ 703.714242] ? __switch_to_asm+0x34/0x70 [ 703.718303] ? __switch_to_asm+0x40/0x70 [ 703.722364] ? __switch_to_asm+0x34/0x70 [ 703.726435] ? __switch_to_asm+0x34/0x70 [ 703.730495] ? __switch_to_asm+0x40/0x70 [ 703.734552] ? __switch_to_asm+0x34/0x70 [ 703.738623] bpf_clone_redirect+0xb9/0x490 [ 703.742872] ? __schedule+0x8d7/0x21d0 [ 703.746775] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 703.751813] ? __sched_text_start+0x8/0x8 [ 703.755974] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 703.760562] ? retint_kernel+0x2d/0x2d [ 703.764458] ? trace_hardirqs_on_caller+0xc0/0x310 [ 703.769398] ? find_held_lock+0x36/0x1c0 [ 703.773484] ? lock_acquire+0x1ed/0x520 [ 703.777463] ? bpf_test_run+0x3cb/0x780 [ 703.781453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.786997] ? check_preemption_disabled+0x48/0x280 [ 703.792024] ? kasan_check_read+0x11/0x20 [ 703.796173] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 703.801459] ? rcu_softirq_qs+0x20/0x20 [ 703.805448] ? preempt_schedule+0x4d/0x60 [ 703.809611] ? ___preempt_schedule+0x16/0x18 [ 703.814037] ? bpf_test_run+0x25d/0x780 [ 703.818029] ? netlink_diag_dump+0x2a0/0x2a0 [ 703.822452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.828001] ? bpf_test_init.isra.10+0x70/0x100 [ 703.832686] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 703.837466] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 703.842315] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 703.847862] ? fput+0x130/0x1a0 [ 703.851151] ? __bpf_prog_get+0x9b/0x290 [ 703.855220] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 703.860068] ? bpf_prog_test_run+0x130/0x1a0 [ 703.864490] ? __x64_sys_bpf+0x3d8/0x520 [ 703.868556] ? bpf_prog_get+0x20/0x20 [ 703.872381] ? do_syscall_64+0x1b9/0x820 [ 703.876453] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 703.881827] ? syscall_return_slowpath+0x5e0/0x5e0 [ 703.886764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.892220] ? trace_hardirqs_on_caller+0x310/0x310 [ 703.897241] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 703.902262] ? prepare_exit_to_usermode+0x291/0x3b0 [ 703.907288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.912141] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 703.917533] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 703.917539] warn_alloc_show_mem: 1 callbacks suppressed [ 703.917546] Mem-Info: [ 703.924560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 703.929932] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 703.929932] active_file:14 inactive_file:14 isolated_file:0 [ 703.929932] unevictable:0 dirty:0 writeback:0 unstable:0 [ 703.929932] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 703.929932] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 703.929932] free:13772 free_pcp:380 free_cma:0 [ 703.932306] Call Trace: [ 703.941702] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 703.974815] [ 703.977387] 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 [ 704.005247] dump_stack+0x244/0x39d [ 704.007377] lowmem_reserve[]: 0 2818 6321 6321 [ 704.033519] ? dump_stack_print_info.cold.1+0x20/0x20 [ 704.037118] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 704.041707] warn_alloc.cold.116+0xb7/0x1bd [ 704.046860] lowmem_reserve[]: 0 0 3503 3503 [ 704.074371] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 704.078670] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 704.082992] ? lock_downgrade+0x900/0x900 [ 704.087803] lowmem_reserve[]: 0 0 0 0 [ 704.117474] ? trace_hardirqs_off+0xb8/0x310 [ 704.121597] 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 [ 704.125398] ? trace_hardirqs_off+0xb8/0x310 [ 704.129775] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 704.143307] __alloc_pages_slowpath+0x26e8/0x2e10 [ 704.147694] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 704.162980] ? warn_alloc+0x120/0x120 [ 704.167781] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 704.182172] ? print_usage_bug+0xc0/0xc0 [ 704.185952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 704.194781] ? warn_alloc+0x120/0x120 [ 704.198822] 12557 total pagecache pages [ 704.207400] ? warn_alloc+0x120/0x120 [ 704.211176] 0 pages in swap cache [ 704.215143] ? print_usage_bug+0xc0/0xc0 [ 704.218917] Swap cache stats: add 0, delete 0, find 0/0 [ 704.222363] ? kvm_clock_read+0x18/0x30 [ 704.226400] Free swap = 0kB [ 704.231757] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 704.235704] Total swap = 0kB [ 704.235712] 1965979 pages RAM [ 704.238733] ? print_usage_bug+0xc0/0xc0 [ 704.243715] 0 pages HighMem/MovableOnly [ 704.243723] 342853 pages reserved [ 704.246740] ? __lock_acquire+0x62f/0x4c20 [ 704.249818] 0 pages cma reserved [ 704.253881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.257899] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 704.261277] ? should_fail+0x22d/0xd01 [ 704.265545] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 704.268851] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 704.274361] syz-executor1 cpuset=syz1 mems_allowed=0 [ 704.280852] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 704.310649] ? __lock_acquire+0x62f/0x4c20 [ 704.314901] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 704.320009] ? __lock_acquire+0x62f/0x4c20 [ 704.324244] ? should_fail+0x22d/0xd01 [ 704.328132] ? rcu_irq_exit+0x1a2/0x390 [ 704.332122] ? mark_held_locks+0x130/0x130 [ 704.336364] ? mark_held_locks+0x130/0x130 [ 704.340618] ? mark_held_locks+0xc7/0x130 [ 704.344768] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 704.349801] ? zap_class+0x640/0x640 [ 704.353543] ? print_usage_bug+0xc0/0xc0 [ 704.357633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.363182] ? check_preemption_disabled+0x48/0x280 [ 704.368222] ? __lock_is_held+0xb5/0x140 [ 704.372292] __alloc_pages_nodemask+0xa80/0xde0 [ 704.376975] ? zap_class+0x640/0x640 [ 704.380696] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 704.385732] ? find_held_lock+0x36/0x1c0 [ 704.389825] ? ____cache_alloc_node+0x1c7/0x1e0 [ 704.394522] ? lock_downgrade+0x900/0x900 [ 704.398680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.404227] cache_grow_begin+0xa5/0x8c0 [ 704.408289] ? do_raw_spin_unlock+0xa7/0x330 [ 704.412710] fallback_alloc+0x204/0x2e0 [ 704.416694] ____cache_alloc_node+0x1c7/0x1e0 [ 704.421203] kmem_cache_alloc_node+0xe3/0x730 [ 704.425702] ? ipv6_get_ifaddr+0x42e/0x620 [ 704.429950] __alloc_skb+0x119/0x770 [ 704.433665] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 704.438951] ? netdev_alloc_frag+0x1f0/0x1f0 [ 704.443363] ? lock_downgrade+0x900/0x900 [ 704.447525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.453064] ? refcount_sub_and_test_checked+0x203/0x310 [ 704.458519] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 704.463976] ? addrconf_rs_timer+0x690/0x690 [ 704.468400] ndisc_alloc_skb+0x144/0x340 [ 704.472482] ndisc_send_rs+0x331/0x6e0 [ 704.476380] addrconf_rs_timer+0x314/0x690 [ 704.480625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 704.484875] call_timer_fn+0x272/0x920 [ 704.488768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 704.493009] ? process_timeout+0x40/0x40 [ 704.497081] ? mark_held_locks+0xc7/0x130 [ 704.501236] ? _raw_spin_unlock_irq+0x27/0x80 [ 704.505735] ? _raw_spin_unlock_irq+0x27/0x80 [ 704.510236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 704.514473] ? lockdep_hardirqs_on+0x296/0x5b0 [ 704.519063] ? trace_hardirqs_on+0xbd/0x310 [ 704.523388] ? kasan_check_read+0x11/0x20 [ 704.527539] ? __run_timers+0x7da/0xc70 [ 704.531516] ? trace_hardirqs_off_caller+0x310/0x310 [ 704.536629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 704.540871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 704.545105] __run_timers+0x7e5/0xc70 [ 704.548918] ? timer_fixup_init+0x70/0x70 [ 704.553079] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 704.558100] ? zap_class+0x640/0x640 [ 704.561848] ? print_usage_bug+0xc0/0xc0 [ 704.565917] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 704.571115] ? find_held_lock+0x36/0x1c0 [ 704.575182] ? zap_class+0x640/0x640 [ 704.578909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.584457] ? check_preemption_disabled+0x48/0x280 [ 704.589488] ? __lock_is_held+0xb5/0x140 [ 704.593552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.599090] ? check_preemption_disabled+0x48/0x280 [ 704.604116] run_timer_softirq+0x52/0xb0 [ 704.608179] ? rcu_read_lock_sched_held+0x14f/0x180 [ 704.613241] __do_softirq+0x308/0xb7e [ 704.617049] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 704.621547] ? lock_downgrade+0x900/0x900 [ 704.625702] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 704.630818] ? pvclock_read_flags+0x160/0x160 [ 704.635318] ? lapic_next_event+0x5a/0x90 [ 704.639473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.645025] ? kvm_clock_read+0x18/0x30 [ 704.649002] ? kvm_sched_clock_read+0x9/0x20 [ 704.653414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.658961] ? check_preemption_disabled+0x48/0x280 [ 704.663990] irq_exit+0x17f/0x1c0 [ 704.667464] smp_apic_timer_interrupt+0x1cb/0x760 [ 704.672313] ? smp_reschedule_interrupt+0x109/0x650 [ 704.677331] ? smp_call_function_single_interrupt+0x650/0x650 [ 704.683220] ? interrupt_entry+0xb5/0xc0 [ 704.687287] ? trace_hardirqs_off_caller+0xbb/0x310 [ 704.692305] ? trace_hardirqs_off_caller+0xbb/0x310 [ 704.697322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.702166] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.707186] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.712216] ? task_prio+0x50/0x50 [ 704.715761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.721300] ? check_preemption_disabled+0x48/0x280 [ 704.726326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.731178] apic_timer_interrupt+0xf/0x20 [ 704.735412] [ 704.737658] RIP: 0010:dump_stack+0x20e/0x39d [ 704.742069] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 704.760977] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 704.768690] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 704.775961] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 704.783232] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 704.790500] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 704.797782] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 704.805074] ? dump_stack+0x205/0x39d [ 704.808895] ? dump_stack_print_info.cold.1+0x20/0x20 [ 704.814090] ? mark_held_locks+0x130/0x130 [ 704.818326] ? mark_held_locks+0x130/0x130 [ 704.822566] dump_header+0x27b/0xf72 [ 704.826298] ? pagefault_out_of_memory+0x197/0x197 [ 704.831237] ? __lock_acquire+0x62f/0x4c20 [ 704.835475] ? percpu_ref_get_many+0x240/0x240 [ 704.840065] ? print_usage_bug+0xc0/0xc0 [ 704.844138] ? zap_class+0x640/0x640 [ 704.847860] ? print_usage_bug+0xc0/0xc0 [ 704.851925] ? print_usage_bug+0xc0/0xc0 [ 704.855989] ? zap_class+0x640/0x640 [ 704.859708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.865251] ? find_held_lock+0x36/0x1c0 [ 704.869327] ? mark_held_locks+0xc7/0x130 [ 704.873480] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 704.878581] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 704.883688] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 704.888279] ? trace_hardirqs_on+0xbd/0x310 [ 704.892607] ? kasan_check_read+0x11/0x20 [ 704.896755] ? ___ratelimit+0x3b4/0x672 [ 704.900743] ? trace_hardirqs_off_caller+0x310/0x310 [ 704.905848] ? trace_hardirqs_on+0x310/0x310 [ 704.910258] ? lock_downgrade+0x900/0x900 [ 704.914418] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 704.919534] ? ___ratelimit+0x3b9/0x672 [ 704.923512] ? idr_get_free+0xf70/0xf70 [ 704.927492] ? find_held_lock+0x36/0x1c0 [ 704.931573] oom_kill_process.cold.27+0x10/0x903 [ 704.936334] ? zap_class+0x640/0x640 [ 704.940055] ? check_preemption_disabled+0x48/0x280 [ 704.945077] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 704.950010] ? kasan_check_read+0x11/0x20 [ 704.954162] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 704.959456] ? oom_evaluate_task+0x540/0x540 [ 704.963871] ? find_held_lock+0x36/0x1c0 [ 704.967948] ? out_of_memory+0x974/0x1430 [ 704.972098] ? lock_downgrade+0x900/0x900 [ 704.976387] ? check_preemption_disabled+0x48/0x280 [ 704.981410] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 704.986345] ? kasan_check_read+0x11/0x20 [ 704.990497] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 704.995785] ? rcu_softirq_qs+0x20/0x20 [ 704.999782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.005321] ? oom_evaluate_task+0x302/0x540 [ 705.009754] out_of_memory+0xa84/0x1430 [ 705.013743] ? oom_killer_disable+0x3a0/0x3a0 [ 705.018246] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 705.023192] ? __ww_mutex_check_waiters+0x160/0x160 [ 705.028236] __alloc_pages_slowpath+0x2354/0x2e10 [ 705.033118] ? warn_alloc+0x120/0x120 [ 705.036925] ? mark_held_locks+0x130/0x130 [ 705.041182] ? find_get_entry+0xaae/0x1120 [ 705.045451] ? filemap_map_pages+0x1a20/0x1a20 [ 705.050052] ? zap_class+0x640/0x640 [ 705.053784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.059339] ? check_preemption_disabled+0x48/0x280 [ 705.064370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.069914] ? should_fail+0x22d/0xd01 [ 705.073816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 705.078927] ? zap_class+0x640/0x640 [ 705.082668] ? __lock_is_held+0xb5/0x140 [ 705.086744] ? mark_held_locks+0x130/0x130 [ 705.090986] ? lock_release+0xa00/0xa00 [ 705.094963] ? perf_trace_sched_process_exec+0x860/0x860 [ 705.100417] ? xa_load+0x2ba/0x460 [ 705.103970] ? lock_downgrade+0x900/0x900 [ 705.108603] ? __might_sleep+0x95/0x190 [ 705.112588] __alloc_pages_nodemask+0xa80/0xde0 [ 705.117271] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 705.122291] ? __page_cache_alloc+0x191/0x5c0 [ 705.126793] ? xa_load+0x2e1/0x460 [ 705.130337] ? xa_clear_mark+0x40/0x40 [ 705.134251] ? zap_class+0x640/0x640 [ 705.137978] ? zap_class+0x640/0x640 [ 705.141692] ? zap_class+0x640/0x640 [ 705.145408] ? __do_page_cache_readahead+0x663/0x810 [ 705.150533] ? find_held_lock+0x36/0x1c0 [ 705.154601] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 705.160154] alloc_pages_current+0x173/0x350 [ 705.164578] __page_cache_alloc+0x38c/0x5c0 [ 705.168902] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 705.173837] ? kasan_check_read+0x11/0x20 [ 705.177991] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 705.183271] ? generic_perform_write+0x6a0/0x6a0 [ 705.188048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.193592] ? check_preemption_disabled+0x48/0x280 [ 705.198617] filemap_fault+0x1595/0x25f0 [ 705.202697] ? __lock_page_or_retry+0xa00/0xa00 [ 705.207371] ? mark_held_locks+0x130/0x130 [ 705.211620] ? filemap_map_pages+0xd6b/0x1a20 [ 705.216118] ? lock_downgrade+0x900/0x900 [ 705.220268] ? check_preemption_disabled+0x48/0x280 [ 705.225292] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 705.230225] ? kasan_check_read+0x11/0x20 [ 705.234376] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 705.239657] ? rcu_softirq_qs+0x20/0x20 [ 705.243647] ? filemap_map_pages+0xd92/0x1a20 [ 705.248156] ? find_get_entries_tag+0x1400/0x1400 [ 705.253012] ? debug_object_destroy+0x2b0/0x2b0 [ 705.257688] ? lock_pi_update_atomic+0x150/0x150 [ 705.262453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.268012] ? lock_acquire+0x1ed/0x520 [ 705.271992] ? ext4_filemap_fault+0x7a/0xad [ 705.276321] ? lock_release+0xa00/0xa00 [ 705.280297] ? perf_trace_sched_process_exec+0x860/0x860 [ 705.285749] ? print_usage_bug+0xc0/0xc0 [ 705.289827] ? print_usage_bug+0xc0/0xc0 [ 705.293904] ? down_read+0x8d/0x120 [ 705.297529] ? ext4_filemap_fault+0x7a/0xad [ 705.301857] ? __down_interruptible+0x700/0x700 [ 705.306542] ext4_filemap_fault+0x82/0xad [ 705.310699] __do_fault+0x100/0x6b0 [ 705.314330] ? find_held_lock+0x36/0x1c0 [ 705.318401] ? pmd_devmap_trans_unstable+0x220/0x220 [ 705.323523] ? mark_held_locks+0x130/0x130 [ 705.327760] ? mark_held_locks+0x130/0x130 [ 705.332002] ? debug_smp_processor_id+0x1c/0x20 [ 705.336672] ? perf_trace_lock+0x14d/0x7a0 [ 705.340905] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 705.345499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.351052] __handle_mm_fault+0x3ea0/0x5be0 [ 705.355479] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 705.360323] ? lock_is_held_type+0x210/0x210 [ 705.364745] ? preempt_notifier_register+0x200/0x200 [ 705.369849] ? __switch_to_asm+0x34/0x70 [ 705.373912] ? __switch_to_asm+0x34/0x70 [ 705.377989] ? zap_class+0x640/0x640 [ 705.381702] ? zap_class+0x640/0x640 [ 705.385419] ? __x64_sys_futex+0x53e/0x6a0 [ 705.389671] ? find_held_lock+0x36/0x1c0 [ 705.393750] ? handle_mm_fault+0x42a/0xc70 [ 705.397994] ? lock_downgrade+0x900/0x900 [ 705.402146] ? check_preemption_disabled+0x48/0x280 [ 705.407170] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 705.412105] ? kasan_check_read+0x11/0x20 [ 705.416257] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 705.421535] ? rcu_softirq_qs+0x20/0x20 [ 705.425514] ? trace_hardirqs_off_caller+0x310/0x310 [ 705.430622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.436166] ? check_preemption_disabled+0x48/0x280 [ 705.441203] handle_mm_fault+0x54f/0xc70 [ 705.445270] ? __handle_mm_fault+0x5be0/0x5be0 [ 705.449865] ? find_vma+0x34/0x190 [ 705.453437] __do_page_fault+0x5e8/0xe60 [ 705.457506] ? trace_hardirqs_off+0xb8/0x310 [ 705.461925] do_page_fault+0xf2/0x7e0 [ 705.465729] ? vmalloc_sync_all+0x30/0x30 [ 705.469881] ? error_entry+0x70/0xd0 [ 705.473599] ? trace_hardirqs_off_caller+0xbb/0x310 [ 705.478613] ? trace_hardirqs_on_caller+0xc0/0x310 [ 705.483547] ? syscall_return_slowpath+0x5e0/0x5e0 [ 705.488476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.493323] ? trace_hardirqs_on_caller+0x310/0x310 [ 705.498343] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 705.503800] ? prepare_exit_to_usermode+0x291/0x3b0 [ 705.508817] ? page_fault+0x8/0x30 [ 705.512364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.517214] ? page_fault+0x8/0x30 [ 705.520761] page_fault+0x1e/0x30 [ 705.524218] RIP: 0033:0x40f9c0 [ 705.527425] Code: Bad RIP value. [ 705.530795] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 705.536153] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 705.543421] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 705.550694] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 705.557960] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 705.565227] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 705.572528] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 705.572596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 705.579807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 705.579812] Call Trace: [ 705.579819] [ 705.579842] dump_stack+0x244/0x39d [ 705.579861] ? dump_stack_print_info.cold.1+0x20/0x20 [ 705.586474] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 705.595702] warn_alloc.cold.116+0xb7/0x1bd [ 705.598252] syz-fuzzer cpuset=/ mems_allowed=0 [ 705.600398] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 705.633105] ? lock_downgrade+0x900/0x900 [ 705.637273] ? trace_hardirqs_off+0xb8/0x310 [ 705.641694] ? trace_hardirqs_off+0xb8/0x310 [ 705.646116] __alloc_pages_slowpath+0x26e8/0x2e10 [ 705.650996] ? warn_alloc+0x120/0x120 [ 705.654801] ? print_usage_bug+0xc0/0xc0 [ 705.658863] ? warn_alloc+0x120/0x120 [ 705.662669] ? warn_alloc+0x120/0x120 [ 705.666478] ? print_usage_bug+0xc0/0xc0 [ 705.670550] ? print_usage_bug+0xc0/0xc0 [ 705.674615] ? __lock_acquire+0x62f/0x4c20 [ 705.678862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.684401] ? should_fail+0x22d/0xd01 [ 705.688302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 705.693409] ? __lock_acquire+0x62f/0x4c20 [ 705.697656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 705.702778] ? __lock_acquire+0x62f/0x4c20 [ 705.707015] ? should_fail+0x22d/0xd01 [ 705.710909] ? find_held_lock+0x36/0x1c0 [ 705.714982] ? mark_held_locks+0x130/0x130 [ 705.719228] ? mark_held_locks+0x130/0x130 [ 705.723470] ? zap_class+0x640/0x640 [ 705.727189] ? zap_class+0x640/0x640 [ 705.730905] ? print_usage_bug+0xc0/0xc0 [ 705.734968] ? do_raw_spin_unlock+0xa7/0x330 [ 705.739374] ? zap_class+0x640/0x640 [ 705.743093] ? print_usage_bug+0xc0/0xc0 [ 705.747154] ? wq_watchdog_touch+0x9c/0xfe [ 705.751401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.756958] ? check_preemption_disabled+0x48/0x280 [ 705.761988] ? __lock_is_held+0xb5/0x140 [ 705.766058] __alloc_pages_nodemask+0xa80/0xde0 [ 705.770730] ? zap_class+0x640/0x640 [ 705.774461] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 705.779489] ? find_held_lock+0x36/0x1c0 [ 705.783560] ? ____cache_alloc_node+0x1c7/0x1e0 [ 705.788233] ? lock_downgrade+0x900/0x900 [ 705.792391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.797942] cache_grow_begin+0xa5/0x8c0 [ 705.802003] ? do_raw_spin_unlock+0xa7/0x330 [ 705.806425] fallback_alloc+0x204/0x2e0 [ 705.810436] ____cache_alloc_node+0x1c7/0x1e0 [ 705.814942] kmem_cache_alloc_node+0xe3/0x730 [ 705.819451] ? ipv6_get_ifaddr+0x42e/0x620 [ 705.823706] __alloc_skb+0x119/0x770 [ 705.827443] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 705.832728] ? netdev_alloc_frag+0x1f0/0x1f0 [ 705.837142] ? lock_downgrade+0x900/0x900 [ 705.841298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.846836] ? refcount_sub_and_test_checked+0x203/0x310 [ 705.852295] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 705.857751] ? addrconf_rs_timer+0x690/0x690 [ 705.862179] ndisc_alloc_skb+0x144/0x340 [ 705.866248] ndisc_send_rs+0x331/0x6e0 [ 705.870142] addrconf_rs_timer+0x314/0x690 [ 705.874383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 705.878636] call_timer_fn+0x272/0x920 [ 705.882525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 705.886764] ? process_timeout+0x40/0x40 [ 705.890837] ? __run_timers+0x7da/0xc70 [ 705.894832] ? _raw_spin_unlock_irq+0x27/0x80 [ 705.899326] ? _raw_spin_unlock_irq+0x27/0x80 [ 705.903823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 705.908061] ? lockdep_hardirqs_on+0x296/0x5b0 [ 705.912645] ? trace_hardirqs_on+0xbd/0x310 [ 705.916966] ? kasan_check_read+0x11/0x20 [ 705.921114] ? __run_timers+0x7da/0xc70 [ 705.925091] ? trace_hardirqs_off_caller+0x310/0x310 [ 705.930204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 705.934456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 705.938696] __run_timers+0x7e5/0xc70 [ 705.942510] ? timer_fixup_init+0x70/0x70 [ 705.946662] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 705.951720] ? zap_class+0x640/0x640 [ 705.955448] ? enqueue_hrtimer+0x1a5/0x560 [ 705.959698] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 705.964900] ? find_held_lock+0x36/0x1c0 [ 705.968969] ? zap_class+0x640/0x640 [ 705.972695] ? pvclock_read_flags+0x160/0x160 [ 705.977196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.982736] ? check_preemption_disabled+0x48/0x280 [ 705.987769] ? __lock_is_held+0xb5/0x140 [ 705.991834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.997377] ? check_preemption_disabled+0x48/0x280 [ 706.002404] run_timer_softirq+0x52/0xb0 [ 706.006478] ? rcu_read_lock_sched_held+0x14f/0x180 [ 706.011497] __do_softirq+0x308/0xb7e [ 706.015302] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 706.019798] ? lock_downgrade+0x900/0x900 [ 706.023953] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 706.029066] ? pvclock_read_flags+0x160/0x160 [ 706.033563] ? lapic_next_event+0x5a/0x90 [ 706.037724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.043280] ? kvm_clock_read+0x18/0x30 [ 706.047254] ? kvm_sched_clock_read+0x9/0x20 [ 706.051667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.057213] ? check_preemption_disabled+0x48/0x280 [ 706.062246] irq_exit+0x17f/0x1c0 [ 706.065711] smp_apic_timer_interrupt+0x1cb/0x760 [ 706.070554] ? smp_reschedule_interrupt+0x109/0x650 [ 706.075571] ? smp_call_function_single_interrupt+0x650/0x650 [ 706.081461] ? interrupt_entry+0xb5/0xc0 [ 706.085526] ? trace_hardirqs_off_caller+0xbb/0x310 [ 706.090543] ? trace_hardirqs_off_caller+0xbb/0x310 [ 706.095572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.100423] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.105471] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.110659] ? task_prio+0x50/0x50 [ 706.114207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.119751] ? check_preemption_disabled+0x48/0x280 [ 706.124786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.129640] apic_timer_interrupt+0xf/0x20 [ 706.133882] [ 706.136157] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 706.141088] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 706.160013] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 706.167725] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 706.174994] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 706.182261] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 706.189527] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 706.196799] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 706.204122] skb_clone+0x1bb/0x500 [ 706.207671] ? finish_task_switch+0x1b4/0x910 [ 706.212174] ? skb_split+0x11e0/0x11e0 [ 706.216067] ? preempt_notifier_register+0x200/0x200 [ 706.221169] ? __switch_to_asm+0x34/0x70 [ 706.225229] ? __switch_to_asm+0x34/0x70 [ 706.229289] ? __switch_to_asm+0x40/0x70 [ 706.233362] ? __switch_to_asm+0x34/0x70 [ 706.237419] ? __switch_to_asm+0x40/0x70 [ 706.241484] ? __switch_to_asm+0x34/0x70 [ 706.245545] ? __switch_to_asm+0x40/0x70 [ 706.249605] ? __switch_to_asm+0x34/0x70 [ 706.253670] ? __switch_to_asm+0x34/0x70 [ 706.257732] ? __switch_to_asm+0x40/0x70 [ 706.261793] ? __switch_to_asm+0x34/0x70 [ 706.265864] bpf_clone_redirect+0xb9/0x490 [ 706.270105] ? __schedule+0x8d7/0x21d0 [ 706.273998] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 706.279019] ? __sched_text_start+0x8/0x8 [ 706.283177] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 706.287760] ? retint_kernel+0x2d/0x2d [ 706.291651] ? trace_hardirqs_on_caller+0xc0/0x310 [ 706.296587] ? find_held_lock+0x36/0x1c0 [ 706.300657] ? lock_acquire+0x1ed/0x520 [ 706.304636] ? bpf_test_run+0x3cb/0x780 [ 706.308615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.314157] ? check_preemption_disabled+0x48/0x280 [ 706.319197] ? kasan_check_read+0x11/0x20 [ 706.323351] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.328628] ? rcu_softirq_qs+0x20/0x20 [ 706.332607] ? preempt_schedule+0x4d/0x60 [ 706.336759] ? ___preempt_schedule+0x16/0x18 [ 706.341180] ? bpf_test_run+0x25d/0x780 [ 706.345175] ? netlink_diag_dump+0x2a0/0x2a0 [ 706.349591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.355130] ? bpf_test_init.isra.10+0x70/0x100 [ 706.359811] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 706.364582] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 706.369424] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 706.374973] ? fput+0x130/0x1a0 [ 706.378258] ? __bpf_prog_get+0x9b/0x290 [ 706.382322] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 706.387188] ? bpf_prog_test_run+0x130/0x1a0 [ 706.391610] ? __x64_sys_bpf+0x3d8/0x520 [ 706.395728] ? bpf_prog_get+0x20/0x20 [ 706.399552] ? do_syscall_64+0x1b9/0x820 [ 706.403619] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 706.408990] ? syscall_return_slowpath+0x5e0/0x5e0 [ 706.413922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.418766] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.423784] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 706.428804] ? prepare_exit_to_usermode+0x291/0x3b0 [ 706.433836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.438697] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 706.444087] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 706.444093] warn_alloc_show_mem: 1 callbacks suppressed [ 706.444100] Mem-Info: [ 706.451114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 706.456481] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 706.456481] active_file:14 inactive_file:14 isolated_file:0 [ 706.456481] unevictable:0 dirty:0 writeback:0 unstable:0 [ 706.456481] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 706.456481] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 706.456481] free:13772 free_pcp:380 free_cma:0 [ 706.458865] Call Trace: [ 706.468258] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 706.501374] [ 706.503946] 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 [ 706.531805] dump_stack+0x244/0x39d [ 706.533928] lowmem_reserve[]: 0 2818 6321 6321 [ 706.560055] ? dump_stack_print_info.cold.1+0x20/0x20 [ 706.563654] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 706.568240] warn_alloc.cold.116+0xb7/0x1bd [ 706.573397] lowmem_reserve[]: 0 0 3503 3503 [ 706.600916] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 706.605209] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 706.609530] ? lock_downgrade+0x900/0x900 [ 706.614344] lowmem_reserve[]: 0 0 0 0 [ 706.643505] ? trace_hardirqs_off+0xb8/0x310 [ 706.647633] 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 [ 706.651436] ? trace_hardirqs_off+0xb8/0x310 [ 706.655814] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 706.669342] __alloc_pages_slowpath+0x26e8/0x2e10 [ 706.673719] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 706.689006] ? warn_alloc+0x120/0x120 [ 706.693809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 706.708209] ? print_usage_bug+0xc0/0xc0 [ 706.711989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 706.720817] ? warn_alloc+0x120/0x120 [ 706.724857] 12557 total pagecache pages [ 706.733441] ? warn_alloc+0x120/0x120 [ 706.737216] 0 pages in swap cache [ 706.741193] ? print_usage_bug+0xc0/0xc0 [ 706.744965] Swap cache stats: add 0, delete 0, find 0/0 [ 706.748412] ? kvm_clock_read+0x18/0x30 [ 706.752450] Free swap = 0kB [ 706.757810] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 706.761756] Total swap = 0kB [ 706.764768] ? print_usage_bug+0xc0/0xc0 [ 706.769755] 1965979 pages RAM [ 706.772770] ? __lock_acquire+0x62f/0x4c20 [ 706.776814] 0 pages HighMem/MovableOnly [ 706.779920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.784123] 342853 pages reserved [ 706.788094] ? should_fail+0x22d/0xd01 [ 706.793607] 0 pages cma reserved [ 706.797057] ? __lock_acquire+0x62f/0x4c20 [ 706.800984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 706.804276] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 706.808603] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 706.814985] ? __lock_acquire+0x62f/0x4c20 [ 706.820062] syz-executor1 cpuset=syz1 mems_allowed=0 [ 706.830543] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 706.844932] ? __lock_acquire+0x62f/0x4c20 [ 706.849169] ? should_fail+0x22d/0xd01 [ 706.853074] ? mark_held_locks+0x130/0x130 [ 706.857318] ? mark_held_locks+0x130/0x130 [ 706.861564] ? mark_held_locks+0xc7/0x130 [ 706.865720] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 706.870742] ? zap_class+0x640/0x640 [ 706.874464] ? print_usage_bug+0xc0/0xc0 [ 706.878544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.884094] ? check_preemption_disabled+0x48/0x280 [ 706.889138] ? __lock_is_held+0xb5/0x140 [ 706.893215] __alloc_pages_nodemask+0xa80/0xde0 [ 706.897886] ? zap_class+0x640/0x640 [ 706.901606] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 706.906636] ? find_held_lock+0x36/0x1c0 [ 706.910710] ? ____cache_alloc_node+0x1c7/0x1e0 [ 706.915386] ? lock_downgrade+0x900/0x900 [ 706.919550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.925098] cache_grow_begin+0xa5/0x8c0 [ 706.929161] ? do_raw_spin_unlock+0xa7/0x330 [ 706.933589] fallback_alloc+0x204/0x2e0 [ 706.937575] ____cache_alloc_node+0x1c7/0x1e0 [ 706.942077] kmem_cache_alloc_node+0xe3/0x730 [ 706.946575] ? ipv6_get_ifaddr+0x42e/0x620 [ 706.950820] __alloc_skb+0x119/0x770 [ 706.954537] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.959826] ? netdev_alloc_frag+0x1f0/0x1f0 [ 706.964236] ? lock_downgrade+0x900/0x900 [ 706.968397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.973945] ? refcount_sub_and_test_checked+0x203/0x310 [ 706.979550] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 706.985006] ? addrconf_rs_timer+0x690/0x690 [ 706.989441] ndisc_alloc_skb+0x144/0x340 [ 706.993511] ndisc_send_rs+0x331/0x6e0 [ 706.997410] addrconf_rs_timer+0x314/0x690 [ 707.001661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 707.005910] call_timer_fn+0x272/0x920 [ 707.009811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 707.014045] ? process_timeout+0x40/0x40 [ 707.018118] ? mark_held_locks+0xc7/0x130 [ 707.022281] ? _raw_spin_unlock_irq+0x27/0x80 [ 707.026789] ? _raw_spin_unlock_irq+0x27/0x80 [ 707.031289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 707.035529] ? lockdep_hardirqs_on+0x296/0x5b0 [ 707.040113] ? trace_hardirqs_on+0xbd/0x310 [ 707.044444] ? kasan_check_read+0x11/0x20 [ 707.048593] ? __run_timers+0x7da/0xc70 [ 707.052570] ? trace_hardirqs_off_caller+0x310/0x310 [ 707.057694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 707.061928] __run_timers+0x7e5/0xc70 [ 707.065742] ? timer_fixup_init+0x70/0x70 [ 707.069895] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 707.074918] ? zap_class+0x640/0x640 [ 707.078644] ? print_usage_bug+0xc0/0xc0 [ 707.082709] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 707.087909] ? find_held_lock+0x36/0x1c0 [ 707.091976] ? zap_class+0x640/0x640 [ 707.095699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.101247] ? check_preemption_disabled+0x48/0x280 [ 707.106279] ? __lock_is_held+0xb5/0x140 [ 707.110345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.115890] ? check_preemption_disabled+0x48/0x280 [ 707.120913] run_timer_softirq+0x52/0xb0 [ 707.124974] ? rcu_read_lock_sched_held+0x14f/0x180 [ 707.130000] __do_softirq+0x308/0xb7e [ 707.133807] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 707.138301] ? lock_downgrade+0x900/0x900 [ 707.142465] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 707.147581] ? pvclock_read_flags+0x160/0x160 [ 707.152080] ? lapic_next_event+0x5a/0x90 [ 707.156231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.161779] ? kvm_clock_read+0x18/0x30 [ 707.165757] ? kvm_sched_clock_read+0x9/0x20 [ 707.170171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.175716] ? check_preemption_disabled+0x48/0x280 [ 707.180776] irq_exit+0x17f/0x1c0 [ 707.184237] smp_apic_timer_interrupt+0x1cb/0x760 [ 707.189077] ? smp_reschedule_interrupt+0x109/0x650 [ 707.194094] ? smp_call_function_single_interrupt+0x650/0x650 [ 707.199978] ? interrupt_entry+0xb5/0xc0 [ 707.204041] ? trace_hardirqs_off_caller+0xbb/0x310 [ 707.209058] ? trace_hardirqs_off_caller+0xbb/0x310 [ 707.214083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.218928] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.223942] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.228992] ? task_prio+0x50/0x50 [ 707.232535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.238084] ? check_preemption_disabled+0x48/0x280 [ 707.243113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.247970] apic_timer_interrupt+0xf/0x20 [ 707.252205] [ 707.254451] RIP: 0010:dump_stack+0x20e/0x39d [ 707.258864] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 707.277776] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 707.285486] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 707.292755] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 707.300021] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 707.307302] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 707.314571] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 707.321865] ? dump_stack+0x205/0x39d [ 707.325681] ? dump_stack_print_info.cold.1+0x20/0x20 [ 707.330880] ? mark_held_locks+0x130/0x130 [ 707.335115] ? mark_held_locks+0x130/0x130 [ 707.339357] dump_header+0x27b/0xf72 [ 707.343084] ? pagefault_out_of_memory+0x197/0x197 [ 707.348021] ? __lock_acquire+0x62f/0x4c20 [ 707.352257] ? percpu_ref_get_many+0x240/0x240 [ 707.356850] ? print_usage_bug+0xc0/0xc0 [ 707.360920] ? zap_class+0x640/0x640 [ 707.364639] ? print_usage_bug+0xc0/0xc0 [ 707.368701] ? print_usage_bug+0xc0/0xc0 [ 707.372771] ? zap_class+0x640/0x640 [ 707.376491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.382036] ? find_held_lock+0x36/0x1c0 [ 707.386107] ? mark_held_locks+0xc7/0x130 [ 707.390271] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 707.395378] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 707.400484] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 707.405069] ? trace_hardirqs_on+0xbd/0x310 [ 707.409391] ? kasan_check_read+0x11/0x20 [ 707.413544] ? ___ratelimit+0x3b4/0x672 [ 707.417560] ? trace_hardirqs_off_caller+0x310/0x310 [ 707.422672] ? trace_hardirqs_on+0x310/0x310 [ 707.427083] ? lock_downgrade+0x900/0x900 [ 707.431242] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 707.436349] ? ___ratelimit+0x3b9/0x672 [ 707.440325] ? idr_get_free+0xf70/0xf70 [ 707.444302] ? find_held_lock+0x36/0x1c0 [ 707.448381] oom_kill_process.cold.27+0x10/0x903 [ 707.453137] ? zap_class+0x640/0x640 [ 707.456854] ? check_preemption_disabled+0x48/0x280 [ 707.461877] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 707.466806] ? kasan_check_read+0x11/0x20 [ 707.470954] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.476237] ? oom_evaluate_task+0x540/0x540 [ 707.480667] ? find_held_lock+0x36/0x1c0 [ 707.484735] ? out_of_memory+0x974/0x1430 [ 707.488890] ? lock_downgrade+0x900/0x900 [ 707.493051] ? check_preemption_disabled+0x48/0x280 [ 707.498076] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 707.503005] ? kasan_check_read+0x11/0x20 [ 707.507151] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.512442] ? rcu_softirq_qs+0x20/0x20 [ 707.516425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.521970] ? oom_evaluate_task+0x302/0x540 [ 707.526387] out_of_memory+0xa84/0x1430 [ 707.530372] ? oom_killer_disable+0x3a0/0x3a0 [ 707.534877] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 707.539819] ? __ww_mutex_check_waiters+0x160/0x160 [ 707.544854] __alloc_pages_slowpath+0x2354/0x2e10 [ 707.549730] ? warn_alloc+0x120/0x120 [ 707.553534] ? mark_held_locks+0x130/0x130 [ 707.557780] ? find_get_entry+0xaae/0x1120 [ 707.562025] ? filemap_map_pages+0x1a20/0x1a20 [ 707.566617] ? zap_class+0x640/0x640 [ 707.570342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.575884] ? check_preemption_disabled+0x48/0x280 [ 707.580906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.586452] ? should_fail+0x22d/0xd01 [ 707.590344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 707.595459] ? zap_class+0x640/0x640 [ 707.599204] ? __lock_is_held+0xb5/0x140 [ 707.603275] ? mark_held_locks+0x130/0x130 [ 707.607514] ? lock_release+0xa00/0xa00 [ 707.611495] ? perf_trace_sched_process_exec+0x860/0x860 [ 707.616948] ? xa_load+0x2ba/0x460 [ 707.620495] ? lock_downgrade+0x900/0x900 [ 707.624650] ? __might_sleep+0x95/0x190 [ 707.628633] __alloc_pages_nodemask+0xa80/0xde0 [ 707.633314] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 707.638334] ? __page_cache_alloc+0x191/0x5c0 [ 707.642829] ? xa_load+0x2e1/0x460 [ 707.646370] ? xa_clear_mark+0x40/0x40 [ 707.650263] ? zap_class+0x640/0x640 [ 707.653987] ? zap_class+0x640/0x640 [ 707.657704] ? zap_class+0x640/0x640 [ 707.661421] ? __do_page_cache_readahead+0x663/0x810 [ 707.666546] ? find_held_lock+0x36/0x1c0 [ 707.670613] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 707.676164] alloc_pages_current+0x173/0x350 [ 707.680588] __page_cache_alloc+0x38c/0x5c0 [ 707.684910] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 707.689837] ? kasan_check_read+0x11/0x20 [ 707.693985] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.699266] ? generic_perform_write+0x6a0/0x6a0 [ 707.704027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.709566] ? check_preemption_disabled+0x48/0x280 [ 707.714593] filemap_fault+0x1595/0x25f0 [ 707.718671] ? __lock_page_or_retry+0xa00/0xa00 [ 707.723345] ? mark_held_locks+0x130/0x130 [ 707.727590] ? filemap_map_pages+0xd6b/0x1a20 [ 707.732087] ? lock_downgrade+0x900/0x900 [ 707.736250] ? check_preemption_disabled+0x48/0x280 [ 707.741278] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 707.746230] ? kasan_check_read+0x11/0x20 [ 707.750377] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.755655] ? rcu_softirq_qs+0x20/0x20 [ 707.759646] ? filemap_map_pages+0xd92/0x1a20 [ 707.764162] ? find_get_entries_tag+0x1400/0x1400 [ 707.769014] ? debug_object_destroy+0x2b0/0x2b0 [ 707.773689] ? lock_pi_update_atomic+0x150/0x150 [ 707.778454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.784008] ? lock_acquire+0x1ed/0x520 [ 707.787985] ? ext4_filemap_fault+0x7a/0xad [ 707.792313] ? lock_release+0xa00/0xa00 [ 707.796291] ? perf_trace_sched_process_exec+0x860/0x860 [ 707.801744] ? print_usage_bug+0xc0/0xc0 [ 707.805814] ? print_usage_bug+0xc0/0xc0 [ 707.809892] ? down_read+0x8d/0x120 [ 707.813531] ? ext4_filemap_fault+0x7a/0xad [ 707.817863] ? __down_interruptible+0x700/0x700 [ 707.822545] ext4_filemap_fault+0x82/0xad [ 707.826697] __do_fault+0x100/0x6b0 [ 707.830329] ? find_held_lock+0x36/0x1c0 [ 707.834394] ? pmd_devmap_trans_unstable+0x220/0x220 [ 707.839507] ? mark_held_locks+0x130/0x130 [ 707.843745] ? mark_held_locks+0x130/0x130 [ 707.847986] ? debug_smp_processor_id+0x1c/0x20 [ 707.852657] ? perf_trace_lock+0x14d/0x7a0 [ 707.856895] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 707.861489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.867041] __handle_mm_fault+0x3ea0/0x5be0 [ 707.871481] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 707.876329] ? lock_is_held_type+0x210/0x210 [ 707.880753] ? preempt_notifier_register+0x200/0x200 [ 707.885859] ? __switch_to_asm+0x34/0x70 [ 707.889925] ? __switch_to_asm+0x34/0x70 [ 707.894009] ? zap_class+0x640/0x640 [ 707.897723] ? zap_class+0x640/0x640 [ 707.901477] ? __x64_sys_futex+0x53e/0x6a0 [ 707.905720] ? find_held_lock+0x36/0x1c0 [ 707.909793] ? handle_mm_fault+0x42a/0xc70 [ 707.914030] ? lock_downgrade+0x900/0x900 [ 707.918180] ? check_preemption_disabled+0x48/0x280 [ 707.923213] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 707.928145] ? kasan_check_read+0x11/0x20 [ 707.932310] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.937602] ? rcu_softirq_qs+0x20/0x20 [ 707.941583] ? trace_hardirqs_off_caller+0x310/0x310 [ 707.946691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.952239] ? check_preemption_disabled+0x48/0x280 [ 707.957266] handle_mm_fault+0x54f/0xc70 [ 707.961335] ? __handle_mm_fault+0x5be0/0x5be0 [ 707.965927] ? find_vma+0x34/0x190 [ 707.969475] __do_page_fault+0x5e8/0xe60 [ 707.973539] ? trace_hardirqs_off+0xb8/0x310 [ 707.977960] do_page_fault+0xf2/0x7e0 [ 707.981762] ? vmalloc_sync_all+0x30/0x30 [ 707.985916] ? error_entry+0x70/0xd0 [ 707.989632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 707.994654] ? trace_hardirqs_on_caller+0xc0/0x310 [ 707.999584] ? syscall_return_slowpath+0x5e0/0x5e0 [ 708.004514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.009374] ? trace_hardirqs_on_caller+0x310/0x310 [ 708.014403] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 708.019870] ? prepare_exit_to_usermode+0x291/0x3b0 [ 708.024892] ? page_fault+0x8/0x30 [ 708.028449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.033298] ? page_fault+0x8/0x30 [ 708.036846] page_fault+0x1e/0x30 [ 708.040309] RIP: 0033:0x40f9c0 [ 708.043512] Code: Bad RIP value. [ 708.046875] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 708.052238] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 708.059503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 708.066770] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 708.074037] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 708.081304] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 708.088607] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 708.088681] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 708.095884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.095894] Call Trace: [ 708.102500] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 708.111903] [ 708.114479] syz-fuzzer cpuset=/ mems_allowed=0 [ 708.124710] dump_stack+0x244/0x39d [ 708.135438] ? dump_stack_print_info.cold.1+0x20/0x20 [ 708.140650] warn_alloc.cold.116+0xb7/0x1bd [ 708.144977] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 708.149840] ? lock_downgrade+0x900/0x900 [ 708.154010] ? trace_hardirqs_off+0xb8/0x310 [ 708.158460] ? trace_hardirqs_off+0xb8/0x310 [ 708.162892] __alloc_pages_slowpath+0x26e8/0x2e10 [ 708.167780] ? warn_alloc+0x120/0x120 [ 708.171596] ? print_usage_bug+0xc0/0xc0 [ 708.175671] ? warn_alloc+0x120/0x120 [ 708.179488] ? warn_alloc+0x120/0x120 [ 708.183297] ? print_usage_bug+0xc0/0xc0 [ 708.187365] ? kvm_clock_read+0x18/0x30 [ 708.191353] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 708.196385] ? print_usage_bug+0xc0/0xc0 [ 708.200464] ? __lock_acquire+0x62f/0x4c20 [ 708.204720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.210273] ? should_fail+0x22d/0xd01 [ 708.214177] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 708.219302] ? __lock_acquire+0x62f/0x4c20 [ 708.223558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 708.228670] ? __lock_acquire+0x62f/0x4c20 [ 708.232916] ? should_fail+0x22d/0xd01 [ 708.236827] ? mark_held_locks+0x130/0x130 [ 708.241077] ? mark_held_locks+0x130/0x130 [ 708.245334] ? zap_class+0x640/0x640 [ 708.249056] ? print_usage_bug+0xc0/0xc0 [ 708.253131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.258683] ? check_preemption_disabled+0x48/0x280 [ 708.263731] ? __lock_is_held+0xb5/0x140 [ 708.267807] __alloc_pages_nodemask+0xa80/0xde0 [ 708.272486] ? zap_class+0x640/0x640 [ 708.276213] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 708.281250] ? find_held_lock+0x36/0x1c0 [ 708.285334] ? ____cache_alloc_node+0x1c7/0x1e0 [ 708.290017] ? lock_downgrade+0x900/0x900 [ 708.294176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.299735] cache_grow_begin+0xa5/0x8c0 [ 708.303801] ? do_raw_spin_unlock+0xa7/0x330 [ 708.308221] fallback_alloc+0x204/0x2e0 [ 708.312214] ____cache_alloc_node+0x1c7/0x1e0 [ 708.316733] kmem_cache_alloc_node+0xe3/0x730 [ 708.321239] ? ipv6_get_ifaddr+0x42e/0x620 [ 708.325495] __alloc_skb+0x119/0x770 [ 708.329215] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 708.334505] ? netdev_alloc_frag+0x1f0/0x1f0 [ 708.338930] ? lock_downgrade+0x900/0x900 [ 708.343096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.348644] ? refcount_sub_and_test_checked+0x203/0x310 [ 708.354110] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 708.359577] ? addrconf_rs_timer+0x690/0x690 [ 708.364004] ndisc_alloc_skb+0x144/0x340 [ 708.368077] ndisc_send_rs+0x331/0x6e0 [ 708.371978] addrconf_rs_timer+0x314/0x690 [ 708.376233] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 708.380492] call_timer_fn+0x272/0x920 [ 708.384402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 708.388665] ? process_timeout+0x40/0x40 [ 708.392745] ? __run_timers+0x7da/0xc70 [ 708.397250] ? _raw_spin_unlock_irq+0x27/0x80 [ 708.401759] ? _raw_spin_unlock_irq+0x27/0x80 [ 708.406294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 708.410560] ? lockdep_hardirqs_on+0x296/0x5b0 [ 708.415153] ? trace_hardirqs_on+0xbd/0x310 [ 708.419485] ? kasan_check_read+0x11/0x20 [ 708.423639] ? __run_timers+0x7da/0xc70 [ 708.427617] ? trace_hardirqs_off_caller+0x310/0x310 [ 708.432753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 708.437000] __run_timers+0x7e5/0xc70 [ 708.440819] ? timer_fixup_init+0x70/0x70 [ 708.444979] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 708.450007] ? zap_class+0x640/0x640 [ 708.453736] ? enqueue_hrtimer+0x1a5/0x560 [ 708.457976] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 708.463182] ? find_held_lock+0x36/0x1c0 [ 708.467253] ? zap_class+0x640/0x640 [ 708.470973] ? pvclock_read_flags+0x160/0x160 [ 708.475480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.481046] ? check_preemption_disabled+0x48/0x280 [ 708.486100] ? __lock_is_held+0xb5/0x140 [ 708.490177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.495724] ? check_preemption_disabled+0x48/0x280 [ 708.500762] run_timer_softirq+0x52/0xb0 [ 708.504834] ? rcu_read_lock_sched_held+0x14f/0x180 [ 708.509857] __do_softirq+0x308/0xb7e [ 708.513666] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 708.518165] ? lock_downgrade+0x900/0x900 [ 708.522336] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 708.527463] ? pvclock_read_flags+0x160/0x160 [ 708.531967] ? lapic_next_event+0x5a/0x90 [ 708.536127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.541677] ? kvm_clock_read+0x18/0x30 [ 708.545658] ? kvm_sched_clock_read+0x9/0x20 [ 708.550078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.555621] ? check_preemption_disabled+0x48/0x280 [ 708.560654] irq_exit+0x17f/0x1c0 [ 708.564114] smp_apic_timer_interrupt+0x1cb/0x760 [ 708.568964] ? smp_reschedule_interrupt+0x109/0x650 [ 708.573991] ? smp_call_function_single_interrupt+0x650/0x650 [ 708.579880] ? interrupt_entry+0xb5/0xc0 [ 708.583951] ? trace_hardirqs_off_caller+0xbb/0x310 [ 708.588979] ? trace_hardirqs_off_caller+0xbb/0x310 [ 708.594006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.598859] ? trace_hardirqs_on_caller+0x310/0x310 [ 708.603883] ? trace_hardirqs_on_caller+0x310/0x310 [ 708.608910] ? task_prio+0x50/0x50 [ 708.612469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.618017] ? check_preemption_disabled+0x48/0x280 [ 708.623045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.627905] apic_timer_interrupt+0xf/0x20 [ 708.632134] [ 708.634380] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 708.639315] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 708.658228] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 708.665972] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 708.673249] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 708.680523] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 708.687799] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 708.695077] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 708.702400] skb_clone+0x1bb/0x500 [ 708.705958] ? finish_task_switch+0x1b4/0x910 [ 708.710473] ? skb_split+0x11e0/0x11e0 [ 708.714366] ? preempt_notifier_register+0x200/0x200 [ 708.719469] ? __switch_to_asm+0x34/0x70 [ 708.723533] ? __switch_to_asm+0x34/0x70 [ 708.727590] ? __switch_to_asm+0x40/0x70 [ 708.731650] ? __switch_to_asm+0x34/0x70 [ 708.735724] ? __switch_to_asm+0x40/0x70 [ 708.739782] ? __switch_to_asm+0x34/0x70 [ 708.743845] ? __switch_to_asm+0x40/0x70 [ 708.747906] ? __switch_to_asm+0x34/0x70 [ 708.751968] ? __switch_to_asm+0x34/0x70 [ 708.756033] ? __switch_to_asm+0x40/0x70 [ 708.760094] ? __switch_to_asm+0x34/0x70 [ 708.764162] bpf_clone_redirect+0xb9/0x490 [ 708.768400] ? __schedule+0x8d7/0x21d0 [ 708.772302] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 708.777323] ? __sched_text_start+0x8/0x8 [ 708.781476] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 708.786062] ? retint_kernel+0x2d/0x2d [ 708.789963] ? trace_hardirqs_on_caller+0xc0/0x310 [ 708.794902] ? find_held_lock+0x36/0x1c0 [ 708.798976] ? lock_acquire+0x1ed/0x520 [ 708.802962] ? bpf_test_run+0x3cb/0x780 [ 708.806944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.812487] ? check_preemption_disabled+0x48/0x280 [ 708.817516] ? kasan_check_read+0x11/0x20 [ 708.821668] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 708.826960] ? rcu_softirq_qs+0x20/0x20 [ 708.830936] ? preempt_schedule+0x4d/0x60 [ 708.835086] ? ___preempt_schedule+0x16/0x18 [ 708.839508] ? bpf_test_run+0x25d/0x780 [ 708.843499] ? netlink_diag_dump+0x2a0/0x2a0 [ 708.847915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.853462] ? bpf_test_init.isra.10+0x70/0x100 [ 708.858150] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 708.862924] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 708.867770] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 708.873320] ? fput+0x130/0x1a0 [ 708.876601] ? __bpf_prog_get+0x9b/0x290 [ 708.880667] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 708.885517] ? bpf_prog_test_run+0x130/0x1a0 [ 708.889933] ? __x64_sys_bpf+0x3d8/0x520 [ 708.893993] ? bpf_prog_get+0x20/0x20 [ 708.897819] ? do_syscall_64+0x1b9/0x820 [ 708.901880] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 708.907247] ? syscall_return_slowpath+0x5e0/0x5e0 [ 708.912178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.917026] ? trace_hardirqs_on_caller+0x310/0x310 [ 708.922049] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 708.927071] ? prepare_exit_to_usermode+0x291/0x3b0 [ 708.932097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.936954] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 708.942340] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 708.942346] warn_alloc_show_mem: 1 callbacks suppressed [ 708.942352] Mem-Info: [ 708.949365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.954738] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 708.954738] active_file:14 inactive_file:14 isolated_file:0 [ 708.954738] unevictable:0 dirty:0 writeback:0 unstable:0 [ 708.954738] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 708.954738] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 708.954738] free:13772 free_pcp:380 free_cma:0 [ 708.957109] Call Trace: [ 708.966510] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 708.999763] [ 709.002343] 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 [ 709.030205] dump_stack+0x244/0x39d [ 709.032329] lowmem_reserve[]: 0 2818 6321 6321 [ 709.058463] ? dump_stack_print_info.cold.1+0x20/0x20 [ 709.062066] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 709.066654] warn_alloc.cold.116+0xb7/0x1bd [ 709.071803] lowmem_reserve[]: 0 0 3503 3503 [ 709.099334] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 709.103637] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 709.108436] ? lock_downgrade+0x900/0x900 [ 709.113249] lowmem_reserve[]: 0 0 0 0 [ 709.142409] ? trace_hardirqs_off+0xb8/0x310 [ 709.146536] 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 [ 709.150344] ? trace_hardirqs_off+0xb8/0x310 [ 709.154723] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 709.168257] __alloc_pages_slowpath+0x26e8/0x2e10 [ 709.172639] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 709.187926] ? warn_alloc+0x120/0x120 [ 709.192727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 709.207116] ? print_usage_bug+0xc0/0xc0 [ 709.210901] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 709.219734] ? warn_alloc+0x120/0x120 [ 709.223773] 12557 total pagecache pages [ 709.232346] ? warn_alloc+0x120/0x120 [ 709.236124] 0 pages in swap cache [ 709.240090] ? print_usage_bug+0xc0/0xc0 [ 709.243863] Swap cache stats: add 0, delete 0, find 0/0 [ 709.247308] ? kvm_clock_read+0x18/0x30 [ 709.251342] Free swap = 0kB [ 709.256711] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 709.260657] Total swap = 0kB [ 709.263669] ? print_usage_bug+0xc0/0xc0 [ 709.268659] 1965979 pages RAM [ 709.271679] ? __lock_acquire+0x62f/0x4c20 [ 709.275722] 0 pages HighMem/MovableOnly [ 709.278830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.283036] 342853 pages reserved [ 709.287014] ? should_fail+0x22d/0xd01 [ 709.292524] 0 pages cma reserved [ 709.295974] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 709.299913] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 709.303197] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.308605] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 709.315047] ? __lock_acquire+0x62f/0x4c20 [ 709.320134] syz-executor1 cpuset=syz1 mems_allowed=0 [ 709.330626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.345026] ? __lock_acquire+0x62f/0x4c20 [ 709.349281] ? should_fail+0x22d/0xd01 [ 709.353169] ? rcu_irq_exit+0x1a2/0x390 [ 709.357164] ? mark_held_locks+0x130/0x130 [ 709.361419] ? mark_held_locks+0x130/0x130 [ 709.365681] ? mark_held_locks+0xc7/0x130 [ 709.369845] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 709.374869] ? zap_class+0x640/0x640 [ 709.378591] ? print_usage_bug+0xc0/0xc0 [ 709.382666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.388219] ? check_preemption_disabled+0x48/0x280 [ 709.393254] ? __lock_is_held+0xb5/0x140 [ 709.397330] __alloc_pages_nodemask+0xa80/0xde0 [ 709.402007] ? zap_class+0x640/0x640 [ 709.405733] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 709.410770] ? find_held_lock+0x36/0x1c0 [ 709.414850] ? ____cache_alloc_node+0x1c7/0x1e0 [ 709.419529] ? lock_downgrade+0x900/0x900 [ 709.423692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.429246] cache_grow_begin+0xa5/0x8c0 [ 709.433324] ? do_raw_spin_unlock+0xa7/0x330 [ 709.437760] fallback_alloc+0x204/0x2e0 [ 709.441748] ____cache_alloc_node+0x1c7/0x1e0 [ 709.446254] kmem_cache_alloc_node+0xe3/0x730 [ 709.450759] ? ipv6_get_ifaddr+0x42e/0x620 [ 709.455009] __alloc_skb+0x119/0x770 [ 709.458728] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 709.464013] ? netdev_alloc_frag+0x1f0/0x1f0 [ 709.468424] ? lock_downgrade+0x900/0x900 [ 709.472594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.478137] ? refcount_sub_and_test_checked+0x203/0x310 [ 709.483596] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 709.489058] ? addrconf_rs_timer+0x690/0x690 [ 709.493494] ndisc_alloc_skb+0x144/0x340 [ 709.497577] ndisc_send_rs+0x331/0x6e0 [ 709.501485] addrconf_rs_timer+0x314/0x690 [ 709.505734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 709.509990] call_timer_fn+0x272/0x920 [ 709.513887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 709.518125] ? process_timeout+0x40/0x40 [ 709.522207] ? mark_held_locks+0xc7/0x130 [ 709.526371] ? _raw_spin_unlock_irq+0x27/0x80 [ 709.530869] ? _raw_spin_unlock_irq+0x27/0x80 [ 709.535366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 709.539607] ? lockdep_hardirqs_on+0x296/0x5b0 [ 709.544198] ? trace_hardirqs_on+0xbd/0x310 [ 709.548526] ? kasan_check_read+0x11/0x20 [ 709.552676] ? __run_timers+0x7da/0xc70 [ 709.556668] ? trace_hardirqs_off_caller+0x310/0x310 [ 709.561785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 709.566031] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 709.570272] __run_timers+0x7e5/0xc70 [ 709.574094] ? timer_fixup_init+0x70/0x70 [ 709.578250] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 709.583272] ? zap_class+0x640/0x640 [ 709.586995] ? print_usage_bug+0xc0/0xc0 [ 709.591071] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 709.596282] ? find_held_lock+0x36/0x1c0 [ 709.600361] ? zap_class+0x640/0x640 [ 709.604086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.609631] ? check_preemption_disabled+0x48/0x280 [ 709.614662] ? __lock_is_held+0xb5/0x140 [ 709.618733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.624283] ? check_preemption_disabled+0x48/0x280 [ 709.629315] run_timer_softirq+0x52/0xb0 [ 709.633380] ? rcu_read_lock_sched_held+0x14f/0x180 [ 709.638400] __do_softirq+0x308/0xb7e [ 709.642226] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 709.646721] ? lock_downgrade+0x900/0x900 [ 709.650876] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 709.656005] ? pvclock_read_flags+0x160/0x160 [ 709.660513] ? lapic_next_event+0x5a/0x90 [ 709.664665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.670216] ? kvm_clock_read+0x18/0x30 [ 709.674197] ? kvm_sched_clock_read+0x9/0x20 [ 709.678613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.684158] ? check_preemption_disabled+0x48/0x280 [ 709.689199] irq_exit+0x17f/0x1c0 [ 709.692662] smp_apic_timer_interrupt+0x1cb/0x760 [ 709.697509] ? smp_reschedule_interrupt+0x109/0x650 [ 709.702530] ? smp_call_function_single_interrupt+0x650/0x650 [ 709.708416] ? interrupt_entry+0xb5/0xc0 [ 709.712492] ? trace_hardirqs_off_caller+0xbb/0x310 [ 709.717508] ? trace_hardirqs_off_caller+0xbb/0x310 [ 709.722531] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.727382] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.732403] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.737440] ? task_prio+0x50/0x50 [ 709.740986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.746528] ? check_preemption_disabled+0x48/0x280 [ 709.751553] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.756409] apic_timer_interrupt+0xf/0x20 [ 709.760654] [ 709.762899] RIP: 0010:dump_stack+0x20e/0x39d [ 709.767314] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 709.786229] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 709.793942] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 709.801217] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 709.808484] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 709.815756] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 709.823038] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 709.830339] ? dump_stack+0x205/0x39d [ 709.834164] ? dump_stack_print_info.cold.1+0x20/0x20 [ 709.839370] ? mark_held_locks+0x130/0x130 [ 709.843612] ? mark_held_locks+0x130/0x130 [ 709.847853] dump_header+0x27b/0xf72 [ 709.851583] ? pagefault_out_of_memory+0x197/0x197 [ 709.856523] ? __lock_acquire+0x62f/0x4c20 [ 709.860763] ? percpu_ref_get_many+0x240/0x240 [ 709.865348] ? print_usage_bug+0xc0/0xc0 [ 709.869418] ? zap_class+0x640/0x640 [ 709.873145] ? print_usage_bug+0xc0/0xc0 [ 709.877211] ? print_usage_bug+0xc0/0xc0 [ 709.881287] ? zap_class+0x640/0x640 [ 709.885010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.890552] ? find_held_lock+0x36/0x1c0 [ 709.894626] ? mark_held_locks+0xc7/0x130 [ 709.898784] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 709.903888] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 709.908994] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 709.913580] ? trace_hardirqs_on+0xbd/0x310 [ 709.917904] ? kasan_check_read+0x11/0x20 [ 709.922054] ? ___ratelimit+0x3b4/0x672 [ 709.926029] ? trace_hardirqs_off_caller+0x310/0x310 [ 709.931139] ? trace_hardirqs_on+0x310/0x310 [ 709.935560] ? lock_downgrade+0x900/0x900 [ 709.939740] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 709.944850] ? ___ratelimit+0x3b9/0x672 [ 709.948828] ? idr_get_free+0xf70/0xf70 [ 709.952804] ? find_held_lock+0x36/0x1c0 [ 709.956877] oom_kill_process.cold.27+0x10/0x903 [ 709.961636] ? zap_class+0x640/0x640 [ 709.965354] ? check_preemption_disabled+0x48/0x280 [ 709.970378] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 709.975314] ? kasan_check_read+0x11/0x20 [ 709.979469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 709.984755] ? oom_evaluate_task+0x540/0x540 [ 709.989168] ? find_held_lock+0x36/0x1c0 [ 709.993250] ? out_of_memory+0x974/0x1430 [ 709.997399] ? lock_downgrade+0x900/0x900 [ 710.001554] ? check_preemption_disabled+0x48/0x280 [ 710.006577] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.011508] ? kasan_check_read+0x11/0x20 [ 710.015656] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.020935] ? rcu_softirq_qs+0x20/0x20 [ 710.024918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.030472] ? oom_evaluate_task+0x302/0x540 [ 710.034890] out_of_memory+0xa84/0x1430 [ 710.038873] ? oom_killer_disable+0x3a0/0x3a0 [ 710.043376] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 710.048314] ? __ww_mutex_check_waiters+0x160/0x160 [ 710.053443] __alloc_pages_slowpath+0x2354/0x2e10 [ 710.058320] ? warn_alloc+0x120/0x120 [ 710.062134] ? mark_held_locks+0x130/0x130 [ 710.066380] ? find_get_entry+0xaae/0x1120 [ 710.070631] ? filemap_map_pages+0x1a20/0x1a20 [ 710.075235] ? zap_class+0x640/0x640 [ 710.078967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.084512] ? check_preemption_disabled+0x48/0x280 [ 710.089531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.095069] ? should_fail+0x22d/0xd01 [ 710.098977] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 710.104086] ? zap_class+0x640/0x640 [ 710.108287] ? __lock_is_held+0xb5/0x140 [ 710.112362] ? mark_held_locks+0x130/0x130 [ 710.116603] ? lock_release+0xa00/0xa00 [ 710.120578] ? perf_trace_sched_process_exec+0x860/0x860 [ 710.126029] ? xa_load+0x2ba/0x460 [ 710.129573] ? lock_downgrade+0x900/0x900 [ 710.133727] ? __might_sleep+0x95/0x190 [ 710.137712] __alloc_pages_nodemask+0xa80/0xde0 [ 710.142395] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 710.147423] ? __page_cache_alloc+0x191/0x5c0 [ 710.151929] ? xa_load+0x2e1/0x460 [ 710.155473] ? xa_clear_mark+0x40/0x40 [ 710.159365] ? zap_class+0x640/0x640 [ 710.163086] ? zap_class+0x640/0x640 [ 710.166800] ? zap_class+0x640/0x640 [ 710.170514] ? __do_page_cache_readahead+0x663/0x810 [ 710.175622] ? find_held_lock+0x36/0x1c0 [ 710.179693] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 710.185270] alloc_pages_current+0x173/0x350 [ 710.189690] __page_cache_alloc+0x38c/0x5c0 [ 710.194010] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.198938] ? kasan_check_read+0x11/0x20 [ 710.203085] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.208364] ? generic_perform_write+0x6a0/0x6a0 [ 710.213126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.218670] ? check_preemption_disabled+0x48/0x280 [ 710.223704] filemap_fault+0x1595/0x25f0 [ 710.227781] ? __lock_page_or_retry+0xa00/0xa00 [ 710.232462] ? mark_held_locks+0x130/0x130 [ 710.236709] ? filemap_map_pages+0xd6b/0x1a20 [ 710.241211] ? lock_downgrade+0x900/0x900 [ 710.245363] ? check_preemption_disabled+0x48/0x280 [ 710.250384] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.255315] ? kasan_check_read+0x11/0x20 [ 710.259469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.264748] ? rcu_softirq_qs+0x20/0x20 [ 710.268744] ? filemap_map_pages+0xd92/0x1a20 [ 710.273254] ? find_get_entries_tag+0x1400/0x1400 [ 710.278104] ? debug_object_destroy+0x2b0/0x2b0 [ 710.282777] ? lock_pi_update_atomic+0x150/0x150 [ 710.287537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.293089] ? lock_acquire+0x1ed/0x520 [ 710.297064] ? ext4_filemap_fault+0x7a/0xad [ 710.301392] ? lock_release+0xa00/0xa00 [ 710.305365] ? perf_trace_sched_process_exec+0x860/0x860 [ 710.310821] ? print_usage_bug+0xc0/0xc0 [ 710.314889] ? print_usage_bug+0xc0/0xc0 [ 710.318965] ? down_read+0x8d/0x120 [ 710.322592] ? ext4_filemap_fault+0x7a/0xad [ 710.326918] ? __down_interruptible+0x700/0x700 [ 710.331600] ext4_filemap_fault+0x82/0xad [ 710.335755] __do_fault+0x100/0x6b0 [ 710.339381] ? find_held_lock+0x36/0x1c0 [ 710.343456] ? pmd_devmap_trans_unstable+0x220/0x220 [ 710.348562] ? mark_held_locks+0x130/0x130 [ 710.352802] ? mark_held_locks+0x130/0x130 [ 710.357043] ? debug_smp_processor_id+0x1c/0x20 [ 710.361719] ? perf_trace_lock+0x14d/0x7a0 [ 710.365953] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 710.370546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.376092] __handle_mm_fault+0x3ea0/0x5be0 [ 710.380511] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 710.385357] ? lock_is_held_type+0x210/0x210 [ 710.389773] ? preempt_notifier_register+0x200/0x200 [ 710.394875] ? __switch_to_asm+0x34/0x70 [ 710.398939] ? __switch_to_asm+0x34/0x70 [ 710.403018] ? zap_class+0x640/0x640 [ 710.406735] ? zap_class+0x640/0x640 [ 710.410453] ? __x64_sys_futex+0x53e/0x6a0 [ 710.414693] ? find_held_lock+0x36/0x1c0 [ 710.418771] ? handle_mm_fault+0x42a/0xc70 [ 710.423011] ? lock_downgrade+0x900/0x900 [ 710.427160] ? check_preemption_disabled+0x48/0x280 [ 710.432183] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 710.437116] ? kasan_check_read+0x11/0x20 [ 710.441269] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.446548] ? rcu_softirq_qs+0x20/0x20 [ 710.450523] ? trace_hardirqs_off_caller+0x310/0x310 [ 710.455630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.461172] ? check_preemption_disabled+0x48/0x280 [ 710.466207] handle_mm_fault+0x54f/0xc70 [ 710.470274] ? __handle_mm_fault+0x5be0/0x5be0 [ 710.474866] ? find_vma+0x34/0x190 [ 710.478415] __do_page_fault+0x5e8/0xe60 [ 710.482487] ? trace_hardirqs_off+0xb8/0x310 [ 710.486911] do_page_fault+0xf2/0x7e0 [ 710.490717] ? vmalloc_sync_all+0x30/0x30 [ 710.494869] ? error_entry+0x70/0xd0 [ 710.498587] ? trace_hardirqs_off_caller+0xbb/0x310 [ 710.503602] ? trace_hardirqs_on_caller+0xc0/0x310 [ 710.508532] ? syscall_return_slowpath+0x5e0/0x5e0 [ 710.513471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.518322] ? trace_hardirqs_on_caller+0x310/0x310 [ 710.523344] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 710.528808] ? prepare_exit_to_usermode+0x291/0x3b0 [ 710.533834] ? page_fault+0x8/0x30 [ 710.537388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.542246] ? page_fault+0x8/0x30 [ 710.545810] page_fault+0x1e/0x30 [ 710.549271] RIP: 0033:0x40f9c0 [ 710.552481] Code: Bad RIP value. [ 710.555847] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 710.561218] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 710.568491] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 710.575761] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 710.583029] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 710.590298] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 710.597601] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 710.597685] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 710.604881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 710.604890] Call Trace: [ 710.611505] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 710.620716] [ 710.623287] syz-fuzzer cpuset=/ mems_allowed=0 [ 710.633510] dump_stack+0x244/0x39d [ 710.643822] ? dump_stack_print_info.cold.1+0x20/0x20 [ 710.649028] warn_alloc.cold.116+0xb7/0x1bd [ 710.653357] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 710.658207] ? lock_downgrade+0x900/0x900 [ 710.662368] ? trace_hardirqs_off+0xb8/0x310 [ 710.666783] ? trace_hardirqs_off+0xb8/0x310 [ 710.671202] __alloc_pages_slowpath+0x26e8/0x2e10 [ 710.676081] ? warn_alloc+0x120/0x120 [ 710.679888] ? print_usage_bug+0xc0/0xc0 [ 710.683958] ? warn_alloc+0x120/0x120 [ 710.687765] ? warn_alloc+0x120/0x120 [ 710.691575] ? print_usage_bug+0xc0/0xc0 [ 710.695651] ? kvm_clock_read+0x18/0x30 [ 710.699637] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 710.704673] ? print_usage_bug+0xc0/0xc0 [ 710.708748] ? __lock_acquire+0x62f/0x4c20 [ 710.712993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.718536] ? should_fail+0x22d/0xd01 [ 710.722438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 710.727556] ? __lock_acquire+0x62f/0x4c20 [ 710.731803] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 710.736912] ? __lock_acquire+0x62f/0x4c20 [ 710.741154] ? should_fail+0x22d/0xd01 [ 710.745058] ? mark_held_locks+0x130/0x130 [ 710.749301] ? mark_held_locks+0x130/0x130 [ 710.753545] ? try_to_wake_up+0x11c/0x1490 [ 710.757787] ? lock_downgrade+0x900/0x900 [ 710.761939] ? zap_class+0x640/0x640 [ 710.765654] ? print_usage_bug+0xc0/0xc0 [ 710.769725] ? trace_hardirqs_off+0xb8/0x310 [ 710.774136] ? kasan_check_read+0x11/0x20 [ 710.778295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.783836] ? check_preemption_disabled+0x48/0x280 [ 710.788866] ? __lock_is_held+0xb5/0x140 [ 710.792950] __alloc_pages_nodemask+0xa80/0xde0 [ 710.797619] ? zap_class+0x640/0x640 [ 710.801340] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 710.806368] ? find_held_lock+0x36/0x1c0 [ 710.810449] ? ____cache_alloc_node+0x1c7/0x1e0 [ 710.815125] ? lock_downgrade+0x900/0x900 [ 710.819283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.824830] cache_grow_begin+0xa5/0x8c0 [ 710.828890] ? do_raw_spin_unlock+0xa7/0x330 [ 710.833308] fallback_alloc+0x204/0x2e0 [ 710.837295] ____cache_alloc_node+0x1c7/0x1e0 [ 710.841800] kmem_cache_alloc_node+0xe3/0x730 [ 710.846302] ? ipv6_get_ifaddr+0x42e/0x620 [ 710.850552] __alloc_skb+0x119/0x770 [ 710.854268] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 710.859556] ? netdev_alloc_frag+0x1f0/0x1f0 [ 710.863967] ? lock_downgrade+0x900/0x900 [ 710.868124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.873663] ? refcount_sub_and_test_checked+0x203/0x310 [ 710.879123] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 710.884578] ? addrconf_rs_timer+0x690/0x690 [ 710.889008] ndisc_alloc_skb+0x144/0x340 [ 710.893082] ndisc_send_rs+0x331/0x6e0 [ 710.896977] addrconf_rs_timer+0x314/0x690 [ 710.901221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 710.905475] call_timer_fn+0x272/0x920 [ 710.909364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 710.913601] ? process_timeout+0x40/0x40 [ 710.917669] ? __run_timers+0x7da/0xc70 [ 710.921649] ? _raw_spin_unlock_irq+0x27/0x80 [ 710.926144] ? _raw_spin_unlock_irq+0x27/0x80 [ 710.930637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 710.934874] ? lockdep_hardirqs_on+0x296/0x5b0 [ 710.939465] ? trace_hardirqs_on+0xbd/0x310 [ 710.943788] ? kasan_check_read+0x11/0x20 [ 710.947934] ? __run_timers+0x7da/0xc70 [ 710.951915] ? trace_hardirqs_off_caller+0x310/0x310 [ 710.957026] ? __queue_work+0x1440/0x1440 [ 710.961182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 710.965419] __run_timers+0x7e5/0xc70 [ 710.969238] ? timer_fixup_init+0x70/0x70 [ 710.973395] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 710.978680] ? zap_class+0x640/0x640 [ 710.982405] ? enqueue_hrtimer+0x1a5/0x560 [ 710.986651] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 710.991849] ? find_held_lock+0x36/0x1c0 [ 710.995923] ? zap_class+0x640/0x640 [ 710.999641] ? pvclock_read_flags+0x160/0x160 [ 711.004152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.009710] ? check_preemption_disabled+0x48/0x280 [ 711.014739] ? __lock_is_held+0xb5/0x140 [ 711.018804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.024347] ? check_preemption_disabled+0x48/0x280 [ 711.029375] run_timer_softirq+0x52/0xb0 [ 711.033466] ? rcu_read_lock_sched_held+0x14f/0x180 [ 711.038488] __do_softirq+0x308/0xb7e [ 711.042295] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 711.046793] ? lock_downgrade+0x900/0x900 [ 711.050956] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 711.056071] ? pvclock_read_flags+0x160/0x160 [ 711.060575] ? lapic_next_event+0x5a/0x90 [ 711.064728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.070275] ? kvm_clock_read+0x18/0x30 [ 711.074252] ? kvm_sched_clock_read+0x9/0x20 [ 711.078665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.084210] ? check_preemption_disabled+0x48/0x280 [ 711.089241] irq_exit+0x17f/0x1c0 [ 711.092717] smp_apic_timer_interrupt+0x1cb/0x760 [ 711.097560] ? smp_reschedule_interrupt+0x109/0x650 [ 711.102583] ? smp_call_function_single_interrupt+0x650/0x650 [ 711.108472] ? interrupt_entry+0xb5/0xc0 [ 711.112547] ? trace_hardirqs_off_caller+0xbb/0x310 [ 711.117565] ? trace_hardirqs_off_caller+0xbb/0x310 [ 711.122585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.127442] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.132479] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.137494] ? task_prio+0x50/0x50 [ 711.141038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.146578] ? check_preemption_disabled+0x48/0x280 [ 711.151602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.156466] apic_timer_interrupt+0xf/0x20 [ 711.160704] [ 711.162949] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 711.167877] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 711.186784] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 711.194501] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 711.201770] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 711.209035] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 711.216308] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 711.223575] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 711.230913] skb_clone+0x1bb/0x500 [ 711.234542] ? finish_task_switch+0x1b4/0x910 [ 711.239041] ? skb_split+0x11e0/0x11e0 [ 711.242936] ? preempt_notifier_register+0x200/0x200 [ 711.248039] ? __switch_to_asm+0x34/0x70 [ 711.252099] ? __switch_to_asm+0x34/0x70 [ 711.256157] ? __switch_to_asm+0x40/0x70 [ 711.260214] ? __switch_to_asm+0x34/0x70 [ 711.264274] ? __switch_to_asm+0x40/0x70 [ 711.268335] ? __switch_to_asm+0x34/0x70 [ 711.272394] ? __switch_to_asm+0x40/0x70 [ 711.276476] ? __switch_to_asm+0x34/0x70 [ 711.280544] ? __switch_to_asm+0x34/0x70 [ 711.284601] ? __switch_to_asm+0x40/0x70 [ 711.288658] ? __switch_to_asm+0x34/0x70 [ 711.292731] bpf_clone_redirect+0xb9/0x490 [ 711.296972] ? __schedule+0x8d7/0x21d0 [ 711.300869] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 711.305895] ? __sched_text_start+0x8/0x8 [ 711.310053] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 711.314639] ? retint_kernel+0x2d/0x2d [ 711.318528] ? trace_hardirqs_on_caller+0xc0/0x310 [ 711.323471] ? find_held_lock+0x36/0x1c0 [ 711.327546] ? lock_acquire+0x1ed/0x520 [ 711.331523] ? bpf_test_run+0x3cb/0x780 [ 711.335499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.341040] ? check_preemption_disabled+0x48/0x280 [ 711.346065] ? kasan_check_read+0x11/0x20 [ 711.350223] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.355501] ? rcu_softirq_qs+0x20/0x20 [ 711.359489] ? preempt_schedule+0x4d/0x60 [ 711.363642] ? ___preempt_schedule+0x16/0x18 [ 711.368075] ? bpf_test_run+0x25d/0x780 [ 711.372063] ? netlink_diag_dump+0x2a0/0x2a0 [ 711.376476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.382015] ? bpf_test_init.isra.10+0x70/0x100 [ 711.386697] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 711.391474] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 711.396320] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.401861] ? fput+0x130/0x1a0 [ 711.405145] ? __bpf_prog_get+0x9b/0x290 [ 711.409212] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 711.414051] ? bpf_prog_test_run+0x130/0x1a0 [ 711.418471] ? __x64_sys_bpf+0x3d8/0x520 [ 711.422531] ? bpf_prog_get+0x20/0x20 [ 711.426354] ? do_syscall_64+0x1b9/0x820 [ 711.430417] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 711.435790] ? syscall_return_slowpath+0x5e0/0x5e0 [ 711.440726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.445592] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.450615] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 711.455635] ? prepare_exit_to_usermode+0x291/0x3b0 [ 711.460658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.465517] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.470904] warn_alloc_show_mem: 1 callbacks suppressed [ 711.470916] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 711.470918] Mem-Info: [ 711.470952] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 711.470952] active_file:14 inactive_file:14 isolated_file:0 [ 711.470952] unevictable:0 dirty:0 writeback:0 unstable:0 [ 711.470952] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 711.470952] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 711.470952] free:13772 free_pcp:380 free_cma:0 [ 711.476299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 711.483324] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 711.485728] Call Trace: [ 711.518865] 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 [ 711.528216] [ 711.556049] lowmem_reserve[]: 0 2818 6321 6321 [ 711.558654] dump_stack+0x244/0x39d [ 711.584738] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 711.586895] ? dump_stack_print_info.cold.1+0x20/0x20 [ 711.591446] lowmem_reserve[]: 0 0 3503 3503 [ 711.595076] warn_alloc.cold.116+0xb7/0x1bd [ 711.622551] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 711.627752] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 711.632041] lowmem_reserve[]: 0 0 0 0 [ 711.636361] ? lock_downgrade+0x900/0x900 [ 711.665493] 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 [ 711.670347] ? trace_hardirqs_off+0xb8/0x310 [ 711.674109] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 711.678252] ? trace_hardirqs_off+0xb8/0x310 [ 711.691754] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 711.696167] __alloc_pages_slowpath+0x26e8/0x2e10 [ 711.711403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 711.715835] ? warn_alloc+0x120/0x120 [ 711.730192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 711.735037] ? print_usage_bug+0xc0/0xc0 [ 711.743841] 12557 total pagecache pages [ 711.747636] ? warn_alloc+0x120/0x120 [ 711.756187] 0 pages in swap cache [ 711.760243] ? warn_alloc+0x120/0x120 [ 711.764198] Swap cache stats: add 0, delete 0, find 0/0 [ 711.764222] Free swap = 0kB [ 711.768018] ? print_usage_bug+0xc0/0xc0 [ 711.771450] Total swap = 0kB [ 711.775277] ? kvm_clock_read+0x18/0x30 [ 711.780615] 1965979 pages RAM [ 711.783628] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 711.787661] 0 pages HighMem/MovableOnly [ 711.790674] ? print_usage_bug+0xc0/0xc0 [ 711.794620] 342853 pages reserved [ 711.797719] ? __lock_acquire+0x62f/0x4c20 [ 711.802712] 0 pages cma reserved [ 711.806679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.810780] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 711.814201] ? should_fail+0x22d/0xd01 [ 711.818517] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 711.821791] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.827305] syz-executor1 cpuset=syz1 mems_allowed=0 [ 711.833791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.863579] ? __lock_acquire+0x62f/0x4c20 [ 711.867828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.872930] ? __lock_acquire+0x62f/0x4c20 [ 711.877164] ? should_fail+0x22d/0xd01 [ 711.881052] ? rcu_irq_exit+0x1a2/0x390 [ 711.885037] ? mark_held_locks+0x130/0x130 [ 711.889281] ? mark_held_locks+0x130/0x130 [ 711.893525] ? mark_held_locks+0xc7/0x130 [ 711.897672] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 711.902689] ? zap_class+0x640/0x640 [ 711.906407] ? print_usage_bug+0xc0/0xc0 [ 711.910498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.916070] ? check_preemption_disabled+0x48/0x280 [ 711.921149] ? __lock_is_held+0xb5/0x140 [ 711.925249] __alloc_pages_nodemask+0xa80/0xde0 [ 711.929918] ? zap_class+0x640/0x640 [ 711.933639] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 711.938670] ? find_held_lock+0x36/0x1c0 [ 711.942748] ? ____cache_alloc_node+0x1c7/0x1e0 [ 711.947422] ? lock_downgrade+0x900/0x900 [ 711.951591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.957138] cache_grow_begin+0xa5/0x8c0 [ 711.961227] ? do_raw_spin_unlock+0xa7/0x330 [ 711.965666] fallback_alloc+0x204/0x2e0 [ 711.969650] ____cache_alloc_node+0x1c7/0x1e0 [ 711.974151] kmem_cache_alloc_node+0xe3/0x730 [ 711.978650] ? ipv6_get_ifaddr+0x42e/0x620 [ 711.982912] __alloc_skb+0x119/0x770 [ 711.986630] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.991916] ? netdev_alloc_frag+0x1f0/0x1f0 [ 711.996323] ? lock_downgrade+0x900/0x900 [ 712.000483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.006022] ? refcount_sub_and_test_checked+0x203/0x310 [ 712.011496] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 712.016948] ? addrconf_rs_timer+0x690/0x690 [ 712.021372] ndisc_alloc_skb+0x144/0x340 [ 712.025446] ndisc_send_rs+0x331/0x6e0 [ 712.029340] addrconf_rs_timer+0x314/0x690 [ 712.033599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 712.037867] call_timer_fn+0x272/0x920 [ 712.041757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 712.045996] ? process_timeout+0x40/0x40 [ 712.050068] ? mark_held_locks+0xc7/0x130 [ 712.054269] ? _raw_spin_unlock_irq+0x27/0x80 [ 712.058778] ? _raw_spin_unlock_irq+0x27/0x80 [ 712.063271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 712.067526] ? lockdep_hardirqs_on+0x296/0x5b0 [ 712.072121] ? trace_hardirqs_on+0xbd/0x310 [ 712.076458] ? kasan_check_read+0x11/0x20 [ 712.080607] ? __run_timers+0x7da/0xc70 [ 712.084588] ? trace_hardirqs_off_caller+0x310/0x310 [ 712.089699] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 712.093945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 712.098180] __run_timers+0x7e5/0xc70 [ 712.101998] ? timer_fixup_init+0x70/0x70 [ 712.106603] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 712.111623] ? zap_class+0x640/0x640 [ 712.115345] ? print_usage_bug+0xc0/0xc0 [ 712.119467] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 712.124670] ? find_held_lock+0x36/0x1c0 [ 712.129364] ? zap_class+0x640/0x640 [ 712.133084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.138623] ? check_preemption_disabled+0x48/0x280 [ 712.143647] ? __lock_is_held+0xb5/0x140 [ 712.147709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.153247] ? check_preemption_disabled+0x48/0x280 [ 712.158270] run_timer_softirq+0x52/0xb0 [ 712.162332] ? rcu_read_lock_sched_held+0x14f/0x180 [ 712.167352] __do_softirq+0x308/0xb7e [ 712.171606] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 712.176099] ? lock_downgrade+0x900/0x900 [ 712.180254] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 712.185374] ? pvclock_read_flags+0x160/0x160 [ 712.189874] ? lapic_next_event+0x5a/0x90 [ 712.194025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.199600] ? kvm_clock_read+0x18/0x30 [ 712.203573] ? kvm_sched_clock_read+0x9/0x20 [ 712.207985] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.213526] ? check_preemption_disabled+0x48/0x280 [ 712.218559] irq_exit+0x17f/0x1c0 [ 712.222013] smp_apic_timer_interrupt+0x1cb/0x760 [ 712.226854] ? smp_reschedule_interrupt+0x109/0x650 [ 712.231873] ? smp_call_function_single_interrupt+0x650/0x650 [ 712.237782] ? interrupt_entry+0xb5/0xc0 [ 712.241875] ? trace_hardirqs_off_caller+0xbb/0x310 [ 712.246888] ? trace_hardirqs_off_caller+0xbb/0x310 [ 712.251923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.256780] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.261791] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.266808] ? task_prio+0x50/0x50 [ 712.270355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.275894] ? check_preemption_disabled+0x48/0x280 [ 712.280920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.285773] apic_timer_interrupt+0xf/0x20 [ 712.289999] [ 712.292240] RIP: 0010:dump_stack+0x20e/0x39d [ 712.296654] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 712.315551] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 712.323264] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 712.330531] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 712.337799] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 712.345068] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 712.352332] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 712.359621] ? dump_stack+0x205/0x39d [ 712.363444] ? dump_stack_print_info.cold.1+0x20/0x20 [ 712.368637] ? mark_held_locks+0x130/0x130 [ 712.372884] ? mark_held_locks+0x130/0x130 [ 712.377128] dump_header+0x27b/0xf72 [ 712.380886] ? pagefault_out_of_memory+0x197/0x197 [ 712.385826] ? __lock_acquire+0x62f/0x4c20 [ 712.390061] ? percpu_ref_get_many+0x240/0x240 [ 712.394645] ? print_usage_bug+0xc0/0xc0 [ 712.398726] ? zap_class+0x640/0x640 [ 712.402448] ? print_usage_bug+0xc0/0xc0 [ 712.406510] ? print_usage_bug+0xc0/0xc0 [ 712.410575] ? zap_class+0x640/0x640 [ 712.414297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.419842] ? find_held_lock+0x36/0x1c0 [ 712.423918] ? mark_held_locks+0xc7/0x130 [ 712.428068] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 712.433170] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 712.438280] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 712.442864] ? trace_hardirqs_on+0xbd/0x310 [ 712.447205] ? kasan_check_read+0x11/0x20 [ 712.451384] ? ___ratelimit+0x3b4/0x672 [ 712.455383] ? trace_hardirqs_off_caller+0x310/0x310 [ 712.460491] ? trace_hardirqs_on+0x310/0x310 [ 712.464902] ? lock_downgrade+0x900/0x900 [ 712.469059] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 712.474181] ? ___ratelimit+0x3b9/0x672 [ 712.478163] ? idr_get_free+0xf70/0xf70 [ 712.482153] ? find_held_lock+0x36/0x1c0 [ 712.486245] oom_kill_process.cold.27+0x10/0x903 [ 712.491031] ? zap_class+0x640/0x640 [ 712.494744] ? check_preemption_disabled+0x48/0x280 [ 712.499763] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.504690] ? kasan_check_read+0x11/0x20 [ 712.508839] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 712.514120] ? oom_evaluate_task+0x540/0x540 [ 712.518533] ? find_held_lock+0x36/0x1c0 [ 712.522616] ? out_of_memory+0x974/0x1430 [ 712.526765] ? lock_downgrade+0x900/0x900 [ 712.530936] ? check_preemption_disabled+0x48/0x280 [ 712.535963] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.540898] ? kasan_check_read+0x11/0x20 [ 712.545061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 712.550354] ? rcu_softirq_qs+0x20/0x20 [ 712.554334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.559869] ? oom_evaluate_task+0x302/0x540 [ 712.564283] out_of_memory+0xa84/0x1430 [ 712.568268] ? oom_killer_disable+0x3a0/0x3a0 [ 712.572767] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 712.577707] ? __ww_mutex_check_waiters+0x160/0x160 [ 712.582737] __alloc_pages_slowpath+0x2354/0x2e10 [ 712.587608] ? warn_alloc+0x120/0x120 [ 712.591410] ? mark_held_locks+0x130/0x130 [ 712.595654] ? find_get_entry+0xaae/0x1120 [ 712.599926] ? filemap_map_pages+0x1a20/0x1a20 [ 712.604540] ? zap_class+0x640/0x640 [ 712.608259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.613808] ? check_preemption_disabled+0x48/0x280 [ 712.618851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.624387] ? should_fail+0x22d/0xd01 [ 712.628276] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 712.633379] ? zap_class+0x640/0x640 [ 712.637153] ? __lock_is_held+0xb5/0x140 [ 712.641225] ? mark_held_locks+0x130/0x130 [ 712.645466] ? lock_release+0xa00/0xa00 [ 712.649463] ? perf_trace_sched_process_exec+0x860/0x860 [ 712.654921] ? xa_load+0x2ba/0x460 [ 712.658466] ? lock_downgrade+0x900/0x900 [ 712.662628] ? __might_sleep+0x95/0x190 [ 712.666608] __alloc_pages_nodemask+0xa80/0xde0 [ 712.671544] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 712.676578] ? __page_cache_alloc+0x191/0x5c0 [ 712.681075] ? xa_load+0x2e1/0x460 [ 712.684619] ? xa_clear_mark+0x40/0x40 [ 712.688506] ? zap_class+0x640/0x640 [ 712.692234] ? zap_class+0x640/0x640 [ 712.695950] ? zap_class+0x640/0x640 [ 712.699663] ? __do_page_cache_readahead+0x663/0x810 [ 712.704774] ? find_held_lock+0x36/0x1c0 [ 712.708839] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 712.714384] alloc_pages_current+0x173/0x350 [ 712.718802] __page_cache_alloc+0x38c/0x5c0 [ 712.723136] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.728068] ? kasan_check_read+0x11/0x20 [ 712.732223] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 712.737508] ? generic_perform_write+0x6a0/0x6a0 [ 712.742265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.747807] ? check_preemption_disabled+0x48/0x280 [ 712.752843] filemap_fault+0x1595/0x25f0 [ 712.756917] ? __lock_page_or_retry+0xa00/0xa00 [ 712.761596] ? mark_held_locks+0x130/0x130 [ 712.765840] ? filemap_map_pages+0xd6b/0x1a20 [ 712.770345] ? lock_downgrade+0x900/0x900 [ 712.775198] ? check_preemption_disabled+0x48/0x280 [ 712.780217] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.785147] ? kasan_check_read+0x11/0x20 [ 712.789292] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 712.794571] ? rcu_softirq_qs+0x20/0x20 [ 712.798561] ? filemap_map_pages+0xd92/0x1a20 [ 712.803072] ? find_get_entries_tag+0x1400/0x1400 [ 712.807916] ? debug_object_destroy+0x2b0/0x2b0 [ 712.812592] ? lock_pi_update_atomic+0x150/0x150 [ 712.817363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.822911] ? lock_acquire+0x1ed/0x520 [ 712.826886] ? ext4_filemap_fault+0x7a/0xad [ 712.831220] ? lock_release+0xa00/0xa00 [ 712.835195] ? perf_trace_sched_process_exec+0x860/0x860 [ 712.840649] ? print_usage_bug+0xc0/0xc0 [ 712.844716] ? print_usage_bug+0xc0/0xc0 [ 712.848790] ? down_read+0x8d/0x120 [ 712.852429] ? ext4_filemap_fault+0x7a/0xad [ 712.856776] ? __down_interruptible+0x700/0x700 [ 712.861465] ext4_filemap_fault+0x82/0xad [ 712.865621] __do_fault+0x100/0x6b0 [ 712.869261] ? find_held_lock+0x36/0x1c0 [ 712.873324] ? pmd_devmap_trans_unstable+0x220/0x220 [ 712.878437] ? mark_held_locks+0x130/0x130 [ 712.882688] ? mark_held_locks+0x130/0x130 [ 712.886948] ? debug_smp_processor_id+0x1c/0x20 [ 712.891615] ? perf_trace_lock+0x14d/0x7a0 [ 712.895849] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 712.900448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.905992] __handle_mm_fault+0x3ea0/0x5be0 [ 712.910461] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 712.915304] ? lock_is_held_type+0x210/0x210 [ 712.919718] ? preempt_notifier_register+0x200/0x200 [ 712.924837] ? __switch_to_asm+0x34/0x70 [ 712.928895] ? __switch_to_asm+0x34/0x70 [ 712.932992] ? zap_class+0x640/0x640 [ 712.936713] ? zap_class+0x640/0x640 [ 712.940436] ? __x64_sys_futex+0x53e/0x6a0 [ 712.944677] ? find_held_lock+0x36/0x1c0 [ 712.948746] ? handle_mm_fault+0x42a/0xc70 [ 712.952982] ? lock_downgrade+0x900/0x900 [ 712.957132] ? check_preemption_disabled+0x48/0x280 [ 712.962155] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 712.967083] ? kasan_check_read+0x11/0x20 [ 712.971238] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 712.976659] ? rcu_softirq_qs+0x20/0x20 [ 712.980636] ? trace_hardirqs_off_caller+0x310/0x310 [ 712.985742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.991299] ? check_preemption_disabled+0x48/0x280 [ 712.996325] handle_mm_fault+0x54f/0xc70 [ 713.000389] ? __handle_mm_fault+0x5be0/0x5be0 [ 713.004978] ? find_vma+0x34/0x190 [ 713.008528] __do_page_fault+0x5e8/0xe60 [ 713.012587] ? trace_hardirqs_off+0xb8/0x310 [ 713.017007] do_page_fault+0xf2/0x7e0 [ 713.020811] ? vmalloc_sync_all+0x30/0x30 [ 713.024960] ? error_entry+0x70/0xd0 [ 713.028679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 713.033693] ? trace_hardirqs_on_caller+0xc0/0x310 [ 713.038627] ? syscall_return_slowpath+0x5e0/0x5e0 [ 713.043554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.048400] ? trace_hardirqs_on_caller+0x310/0x310 [ 713.053422] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 713.058900] ? prepare_exit_to_usermode+0x291/0x3b0 [ 713.063915] ? page_fault+0x8/0x30 [ 713.067470] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.072318] ? page_fault+0x8/0x30 [ 713.075857] page_fault+0x1e/0x30 [ 713.079324] RIP: 0033:0x40f9c0 [ 713.082524] Code: Bad RIP value. [ 713.085888] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 713.091260] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 713.098531] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 713.106226] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 713.113517] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 713.120933] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 713.128248] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 713.128313] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 713.135537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 713.135546] Call Trace: [ 713.142123] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 713.151365] [ 713.153934] syz-fuzzer cpuset=/ mems_allowed=0 [ 713.164154] dump_stack+0x244/0x39d [ 713.174474] ? dump_stack_print_info.cold.1+0x20/0x20 [ 713.179677] warn_alloc.cold.116+0xb7/0x1bd [ 713.184005] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 713.188852] ? lock_downgrade+0x900/0x900 [ 713.193011] ? trace_hardirqs_off+0xb8/0x310 [ 713.197427] ? trace_hardirqs_off+0xb8/0x310 [ 713.201852] __alloc_pages_slowpath+0x26e8/0x2e10 [ 713.206731] ? warn_alloc+0x120/0x120 [ 713.210548] ? print_usage_bug+0xc0/0xc0 [ 713.214617] ? warn_alloc+0x120/0x120 [ 713.218463] ? warn_alloc+0x120/0x120 [ 713.222281] ? print_usage_bug+0xc0/0xc0 [ 713.226342] ? kvm_clock_read+0x18/0x30 [ 713.230322] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 713.235344] ? print_usage_bug+0xc0/0xc0 [ 713.239421] ? __lock_acquire+0x62f/0x4c20 [ 713.243674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.249244] ? should_fail+0x22d/0xd01 [ 713.253145] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 713.258421] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 713.263564] ? __lock_acquire+0x62f/0x4c20 [ 713.267802] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 713.272918] ? __lock_acquire+0x62f/0x4c20 [ 713.277154] ? should_fail+0x22d/0xd01 [ 713.281036] ? rcu_irq_exit+0x1a2/0x390 [ 713.285033] ? mark_held_locks+0x130/0x130 [ 713.289269] ? mark_held_locks+0x130/0x130 [ 713.293509] ? mark_held_locks+0xc7/0x130 [ 713.297660] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 713.302680] ? zap_class+0x640/0x640 [ 713.306416] ? print_usage_bug+0xc0/0xc0 [ 713.310489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.316028] ? check_preemption_disabled+0x48/0x280 [ 713.321059] ? __lock_is_held+0xb5/0x140 [ 713.325139] __alloc_pages_nodemask+0xa80/0xde0 [ 713.329811] ? zap_class+0x640/0x640 [ 713.333532] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 713.338562] ? find_held_lock+0x36/0x1c0 [ 713.342639] ? ____cache_alloc_node+0x1c7/0x1e0 [ 713.347338] ? lock_downgrade+0x900/0x900 [ 713.351506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.357052] cache_grow_begin+0xa5/0x8c0 [ 713.361114] ? do_raw_spin_unlock+0xa7/0x330 [ 713.365536] fallback_alloc+0x204/0x2e0 [ 713.369518] ____cache_alloc_node+0x1c7/0x1e0 [ 713.374021] kmem_cache_alloc_node+0xe3/0x730 [ 713.378520] ? ipv6_get_ifaddr+0x42e/0x620 [ 713.382780] __alloc_skb+0x119/0x770 [ 713.386525] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 713.391805] ? netdev_alloc_frag+0x1f0/0x1f0 [ 713.396218] ? lock_downgrade+0x900/0x900 [ 713.400375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.405912] ? refcount_sub_and_test_checked+0x203/0x310 [ 713.411371] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 713.416825] ? addrconf_rs_timer+0x690/0x690 [ 713.421246] ndisc_alloc_skb+0x144/0x340 [ 713.425310] ndisc_send_rs+0x331/0x6e0 [ 713.429207] addrconf_rs_timer+0x314/0x690 [ 713.433471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.437737] call_timer_fn+0x272/0x920 [ 713.441627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.445865] ? process_timeout+0x40/0x40 [ 713.449931] ? __run_timers+0x7da/0xc70 [ 713.453937] ? _raw_spin_unlock_irq+0x27/0x80 [ 713.458451] ? _raw_spin_unlock_irq+0x27/0x80 [ 713.462977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.467212] ? lockdep_hardirqs_on+0x296/0x5b0 [ 713.471794] ? trace_hardirqs_on+0xbd/0x310 [ 713.476116] ? kasan_check_read+0x11/0x20 [ 713.480265] ? __run_timers+0x7da/0xc70 [ 713.484242] ? trace_hardirqs_off_caller+0x310/0x310 [ 713.489353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.493595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 713.497824] __run_timers+0x7e5/0xc70 [ 713.501665] ? timer_fixup_init+0x70/0x70 [ 713.505822] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 713.510838] ? zap_class+0x640/0x640 [ 713.514574] ? enqueue_hrtimer+0x1a5/0x560 [ 713.518842] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 713.524037] ? find_held_lock+0x36/0x1c0 [ 713.528103] ? zap_class+0x640/0x640 [ 713.531820] ? pvclock_read_flags+0x160/0x160 [ 713.536314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.541870] ? check_preemption_disabled+0x48/0x280 [ 713.546894] ? __lock_is_held+0xb5/0x140 [ 713.550968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.556508] ? check_preemption_disabled+0x48/0x280 [ 713.561531] run_timer_softirq+0x52/0xb0 [ 713.565591] ? rcu_read_lock_sched_held+0x14f/0x180 [ 713.570612] __do_softirq+0x308/0xb7e [ 713.574449] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 713.578960] ? lock_downgrade+0x900/0x900 [ 713.583117] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 713.588228] ? pvclock_read_flags+0x160/0x160 [ 713.592726] ? lapic_next_event+0x5a/0x90 [ 713.596875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.602443] ? kvm_clock_read+0x18/0x30 [ 713.606416] ? kvm_sched_clock_read+0x9/0x20 [ 713.610847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.616382] ? check_preemption_disabled+0x48/0x280 [ 713.621404] irq_exit+0x17f/0x1c0 [ 713.624867] smp_apic_timer_interrupt+0x1cb/0x760 [ 713.629726] ? smp_reschedule_interrupt+0x109/0x650 [ 713.634743] ? smp_call_function_single_interrupt+0x650/0x650 [ 713.640629] ? interrupt_entry+0xb5/0xc0 [ 713.644712] ? trace_hardirqs_off_caller+0xbb/0x310 [ 713.649730] ? trace_hardirqs_off_caller+0xbb/0x310 [ 713.654748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.659595] ? trace_hardirqs_on_caller+0x310/0x310 [ 713.664609] ? trace_hardirqs_on_caller+0x310/0x310 [ 713.669624] ? task_prio+0x50/0x50 [ 713.673168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.678710] ? check_preemption_disabled+0x48/0x280 [ 713.683738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.688592] apic_timer_interrupt+0xf/0x20 [ 713.692819] [ 713.695055] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 713.699997] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 713.718890] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 713.726593] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 713.733859] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 713.741127] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 713.748388] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 713.755655] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 713.762967] skb_clone+0x1bb/0x500 [ 713.766513] ? finish_task_switch+0x1b4/0x910 [ 713.771009] ? skb_split+0x11e0/0x11e0 [ 713.774903] ? preempt_notifier_register+0x200/0x200 [ 713.780006] ? __switch_to_asm+0x34/0x70 [ 713.784064] ? __switch_to_asm+0x34/0x70 [ 713.788121] ? __switch_to_asm+0x40/0x70 [ 713.792182] ? __switch_to_asm+0x34/0x70 [ 713.796238] ? __switch_to_asm+0x40/0x70 [ 713.800299] ? __switch_to_asm+0x34/0x70 [ 713.804371] ? __switch_to_asm+0x40/0x70 [ 713.808426] ? __switch_to_asm+0x34/0x70 [ 713.812497] ? __switch_to_asm+0x34/0x70 [ 713.816553] ? __switch_to_asm+0x40/0x70 [ 713.820606] ? __switch_to_asm+0x34/0x70 [ 713.824668] bpf_clone_redirect+0xb9/0x490 [ 713.828923] ? __schedule+0x8d7/0x21d0 [ 713.832900] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 713.837920] ? __sched_text_start+0x8/0x8 [ 713.842070] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 713.846650] ? retint_kernel+0x2d/0x2d [ 713.850538] ? trace_hardirqs_on_caller+0xc0/0x310 [ 713.855473] ? find_held_lock+0x36/0x1c0 [ 713.859552] ? lock_acquire+0x1ed/0x520 [ 713.863542] ? bpf_test_run+0x3cb/0x780 [ 713.867520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.873057] ? check_preemption_disabled+0x48/0x280 [ 713.878081] ? kasan_check_read+0x11/0x20 [ 713.882230] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 713.887504] ? rcu_softirq_qs+0x20/0x20 [ 713.891480] ? preempt_schedule+0x4d/0x60 [ 713.895643] ? ___preempt_schedule+0x16/0x18 [ 713.900056] ? bpf_test_run+0x25d/0x780 [ 713.904040] ? netlink_diag_dump+0x2a0/0x2a0 [ 713.908475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.914011] ? bpf_test_init.isra.10+0x70/0x100 [ 713.918703] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 713.923474] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 713.928312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 713.933849] ? fput+0x130/0x1a0 [ 713.937127] ? __bpf_prog_get+0x9b/0x290 [ 713.941192] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 713.946031] ? bpf_prog_test_run+0x130/0x1a0 [ 713.950450] ? __x64_sys_bpf+0x3d8/0x520 [ 713.954524] ? bpf_prog_get+0x20/0x20 [ 713.958342] ? do_syscall_64+0x1b9/0x820 [ 713.962417] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 713.967787] ? syscall_return_slowpath+0x5e0/0x5e0 [ 713.972717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.977565] ? trace_hardirqs_on_caller+0x310/0x310 [ 713.982598] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 713.987633] ? prepare_exit_to_usermode+0x291/0x3b0 [ 713.992656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.997518] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.002906] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 714.002911] warn_alloc_show_mem: 1 callbacks suppressed [ 714.002918] Mem-Info: [ 714.009922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 714.015302] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 714.015302] active_file:14 inactive_file:14 isolated_file:0 [ 714.015302] unevictable:0 dirty:0 writeback:0 unstable:0 [ 714.015302] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 714.015302] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 714.015302] free:13772 free_pcp:380 free_cma:0 [ 714.017670] Call Trace: [ 714.027063] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 714.060163] [ 714.062733] 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 [ 714.090574] dump_stack+0x244/0x39d [ 714.092736] lowmem_reserve[]: 0 2818 6321 6321 [ 714.119363] ? dump_stack_print_info.cold.1+0x20/0x20 [ 714.122968] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 714.127554] warn_alloc.cold.116+0xb7/0x1bd [ 714.132709] lowmem_reserve[]: 0 0 3503 3503 [ 714.160206] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 714.164512] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 714.168832] ? lock_downgrade+0x900/0x900 [ 714.173650] lowmem_reserve[]: 0 0 0 0 [ 714.202810] ? trace_hardirqs_off+0xb8/0x310 [ 714.206927] 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 [ 714.210725] ? trace_hardirqs_off+0xb8/0x310 [ 714.215104] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 714.228622] __alloc_pages_slowpath+0x26e8/0x2e10 [ 714.233005] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 714.248279] ? warn_alloc+0x120/0x120 [ 714.253082] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 714.267476] ? print_usage_bug+0xc0/0xc0 [ 714.271256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 714.280077] ? warn_alloc+0x120/0x120 [ 714.284112] 12557 total pagecache pages [ 714.292695] ? warn_alloc+0x120/0x120 [ 714.296480] 0 pages in swap cache [ 714.300456] ? print_usage_bug+0xc0/0xc0 [ 714.304232] Swap cache stats: add 0, delete 0, find 0/0 [ 714.307685] ? kvm_clock_read+0x18/0x30 [ 714.311726] Free swap = 0kB [ 714.317086] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 714.321037] Total swap = 0kB [ 714.324051] ? print_usage_bug+0xc0/0xc0 [ 714.329044] 1965979 pages RAM [ 714.332057] ? __lock_acquire+0x62f/0x4c20 [ 714.336104] 0 pages HighMem/MovableOnly [ 714.339237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.343448] 342853 pages reserved [ 714.347417] ? should_fail+0x22d/0xd01 [ 714.352931] 0 pages cma reserved [ 714.356381] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 714.360303] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 714.363597] ? __lock_acquire+0x62f/0x4c20 [ 714.368815] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 714.375162] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 714.379370] syz-executor1 cpuset=syz1 mems_allowed=0 [ 714.389858] ? __lock_acquire+0x62f/0x4c20 [ 714.404244] ? should_fail+0x22d/0xd01 [ 714.408145] ? mark_held_locks+0x130/0x130 [ 714.412386] ? mark_held_locks+0x130/0x130 [ 714.416659] ? zap_class+0x640/0x640 [ 714.420375] ? print_usage_bug+0xc0/0xc0 [ 714.424447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.429986] ? check_preemption_disabled+0x48/0x280 [ 714.435011] ? __lock_is_held+0xb5/0x140 [ 714.439083] __alloc_pages_nodemask+0xa80/0xde0 [ 714.443753] ? zap_class+0x640/0x640 [ 714.447470] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 714.452510] ? find_held_lock+0x36/0x1c0 [ 714.456614] ? ____cache_alloc_node+0x1c7/0x1e0 [ 714.461282] ? lock_downgrade+0x900/0x900 [ 714.465462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.471003] cache_grow_begin+0xa5/0x8c0 [ 714.475064] ? do_raw_spin_unlock+0xa7/0x330 [ 714.479480] fallback_alloc+0x204/0x2e0 [ 714.483473] ____cache_alloc_node+0x1c7/0x1e0 [ 714.487980] kmem_cache_alloc_node+0xe3/0x730 [ 714.492478] ? ipv6_get_ifaddr+0x42e/0x620 [ 714.496724] __alloc_skb+0x119/0x770 [ 714.500449] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 714.505735] ? netdev_alloc_frag+0x1f0/0x1f0 [ 714.510145] ? lock_downgrade+0x900/0x900 [ 714.514301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.519838] ? refcount_sub_and_test_checked+0x203/0x310 [ 714.525293] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 714.530742] ? addrconf_rs_timer+0x690/0x690 [ 714.535174] ndisc_alloc_skb+0x144/0x340 [ 714.539250] ndisc_send_rs+0x331/0x6e0 [ 714.543142] addrconf_rs_timer+0x314/0x690 [ 714.547380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 714.551631] call_timer_fn+0x272/0x920 [ 714.555518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 714.559753] ? process_timeout+0x40/0x40 [ 714.563828] ? mark_held_locks+0xc7/0x130 [ 714.568011] ? _raw_spin_unlock_irq+0x27/0x80 [ 714.572506] ? _raw_spin_unlock_irq+0x27/0x80 [ 714.577000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 714.581239] ? lockdep_hardirqs_on+0x296/0x5b0 [ 714.585822] ? trace_hardirqs_on+0xbd/0x310 [ 714.590148] ? kasan_check_read+0x11/0x20 [ 714.594297] ? __run_timers+0x7da/0xc70 [ 714.598287] ? trace_hardirqs_off_caller+0x310/0x310 [ 714.603429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 714.607670] __run_timers+0x7e5/0xc70 [ 714.611481] ? timer_fixup_init+0x70/0x70 [ 714.615647] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 714.620676] ? zap_class+0x640/0x640 [ 714.624397] ? print_usage_bug+0xc0/0xc0 [ 714.628484] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 714.633697] ? find_held_lock+0x36/0x1c0 [ 714.637808] ? zap_class+0x640/0x640 [ 714.641524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.647065] ? check_preemption_disabled+0x48/0x280 [ 714.652092] ? __lock_is_held+0xb5/0x140 [ 714.656168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.661714] ? check_preemption_disabled+0x48/0x280 [ 714.666753] run_timer_softirq+0x52/0xb0 [ 714.670816] ? rcu_read_lock_sched_held+0x14f/0x180 [ 714.675835] __do_softirq+0x308/0xb7e [ 714.679655] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 714.684151] ? lock_downgrade+0x900/0x900 [ 714.688301] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 714.693421] ? pvclock_read_flags+0x160/0x160 [ 714.697928] ? lapic_next_event+0x5a/0x90 [ 714.702096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.707639] ? kvm_clock_read+0x18/0x30 [ 714.711613] ? kvm_sched_clock_read+0x9/0x20 [ 714.716020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.721554] ? check_preemption_disabled+0x48/0x280 [ 714.726582] irq_exit+0x17f/0x1c0 [ 714.730037] smp_apic_timer_interrupt+0x1cb/0x760 [ 714.734881] ? smp_reschedule_interrupt+0x109/0x650 [ 714.739899] ? smp_call_function_single_interrupt+0x650/0x650 [ 714.745784] ? interrupt_entry+0xb5/0xc0 [ 714.749860] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.754876] ? trace_hardirqs_off_caller+0xbb/0x310 [ 714.759922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.764767] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.769775] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.774786] ? task_prio+0x50/0x50 [ 714.778328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.783898] ? check_preemption_disabled+0x48/0x280 [ 714.788952] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.793803] apic_timer_interrupt+0xf/0x20 [ 714.798033] [ 714.800272] RIP: 0010:dump_stack+0x20e/0x39d [ 714.804684] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 714.823587] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 714.831291] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 714.838556] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 714.845822] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 714.853085] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 714.860352] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 714.867636] ? dump_stack+0x205/0x39d [ 714.871455] ? dump_stack_print_info.cold.1+0x20/0x20 [ 714.876652] ? mark_held_locks+0x130/0x130 [ 714.880885] ? mark_held_locks+0x130/0x130 [ 714.885128] dump_header+0x27b/0xf72 [ 714.888853] ? pagefault_out_of_memory+0x197/0x197 [ 714.893789] ? __lock_acquire+0x62f/0x4c20 [ 714.898039] ? percpu_ref_get_many+0x240/0x240 [ 714.902638] ? print_usage_bug+0xc0/0xc0 [ 714.906706] ? zap_class+0x640/0x640 [ 714.910424] ? print_usage_bug+0xc0/0xc0 [ 714.914489] ? print_usage_bug+0xc0/0xc0 [ 714.918557] ? zap_class+0x640/0x640 [ 714.922272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.927813] ? find_held_lock+0x36/0x1c0 [ 714.931886] ? mark_held_locks+0xc7/0x130 [ 714.936055] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 714.941157] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 714.946259] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 714.950846] ? trace_hardirqs_on+0xbd/0x310 [ 714.955170] ? kasan_check_read+0x11/0x20 [ 714.959321] ? ___ratelimit+0x3b4/0x672 [ 714.963300] ? trace_hardirqs_off_caller+0x310/0x310 [ 714.968405] ? trace_hardirqs_on+0x310/0x310 [ 714.972822] ? lock_downgrade+0x900/0x900 [ 714.977148] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 714.982255] ? ___ratelimit+0x3b9/0x672 [ 714.986229] ? idr_get_free+0xf70/0xf70 [ 714.990204] ? find_held_lock+0x36/0x1c0 [ 714.994279] oom_kill_process.cold.27+0x10/0x903 [ 714.999033] ? zap_class+0x640/0x640 [ 715.002752] ? check_preemption_disabled+0x48/0x280 [ 715.007772] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.012719] ? kasan_check_read+0x11/0x20 [ 715.016870] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.022162] ? oom_evaluate_task+0x540/0x540 [ 715.026575] ? find_held_lock+0x36/0x1c0 [ 715.030640] ? out_of_memory+0x974/0x1430 [ 715.034785] ? lock_downgrade+0x900/0x900 [ 715.038933] ? check_preemption_disabled+0x48/0x280 [ 715.043950] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.048878] ? kasan_check_read+0x11/0x20 [ 715.053053] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.058329] ? rcu_softirq_qs+0x20/0x20 [ 715.062321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.067860] ? oom_evaluate_task+0x302/0x540 [ 715.072273] out_of_memory+0xa84/0x1430 [ 715.076273] ? oom_killer_disable+0x3a0/0x3a0 [ 715.080797] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 715.085731] ? __ww_mutex_check_waiters+0x160/0x160 [ 715.090763] __alloc_pages_slowpath+0x2354/0x2e10 [ 715.095665] ? warn_alloc+0x120/0x120 [ 715.099485] ? mark_held_locks+0x130/0x130 [ 715.103722] ? find_get_entry+0xaae/0x1120 [ 715.107964] ? filemap_map_pages+0x1a20/0x1a20 [ 715.112552] ? zap_class+0x640/0x640 [ 715.116273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.121811] ? check_preemption_disabled+0x48/0x280 [ 715.126832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.132367] ? should_fail+0x22d/0xd01 [ 715.136260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 715.141366] ? zap_class+0x640/0x640 [ 715.145107] ? __lock_is_held+0xb5/0x140 [ 715.149200] ? mark_held_locks+0x130/0x130 [ 715.153450] ? lock_release+0xa00/0xa00 [ 715.157448] ? perf_trace_sched_process_exec+0x860/0x860 [ 715.162895] ? xa_load+0x2ba/0x460 [ 715.166445] ? lock_downgrade+0x900/0x900 [ 715.170602] ? __might_sleep+0x95/0x190 [ 715.174582] __alloc_pages_nodemask+0xa80/0xde0 [ 715.179260] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 715.184295] ? __page_cache_alloc+0x191/0x5c0 [ 715.188790] ? xa_load+0x2e1/0x460 [ 715.192332] ? xa_clear_mark+0x40/0x40 [ 715.196223] ? zap_class+0x640/0x640 [ 715.199945] ? zap_class+0x640/0x640 [ 715.203656] ? zap_class+0x640/0x640 [ 715.207384] ? __do_page_cache_readahead+0x663/0x810 [ 715.212530] ? find_held_lock+0x36/0x1c0 [ 715.216597] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 715.222141] alloc_pages_current+0x173/0x350 [ 715.226556] __page_cache_alloc+0x38c/0x5c0 [ 715.230876] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.235804] ? kasan_check_read+0x11/0x20 [ 715.239954] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.245235] ? generic_perform_write+0x6a0/0x6a0 [ 715.249991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.255530] ? check_preemption_disabled+0x48/0x280 [ 715.260558] filemap_fault+0x1595/0x25f0 [ 715.264633] ? __lock_page_or_retry+0xa00/0xa00 [ 715.269304] ? mark_held_locks+0x130/0x130 [ 715.273553] ? filemap_map_pages+0xd6b/0x1a20 [ 715.278055] ? lock_downgrade+0x900/0x900 [ 715.282205] ? check_preemption_disabled+0x48/0x280 [ 715.287226] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.292157] ? kasan_check_read+0x11/0x20 [ 715.296321] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.301601] ? rcu_softirq_qs+0x20/0x20 [ 715.305587] ? filemap_map_pages+0xd92/0x1a20 [ 715.310108] ? find_get_entries_tag+0x1400/0x1400 [ 715.314958] ? debug_object_destroy+0x2b0/0x2b0 [ 715.319632] ? lock_pi_update_atomic+0x150/0x150 [ 715.324386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.329939] ? lock_acquire+0x1ed/0x520 [ 715.333910] ? ext4_filemap_fault+0x7a/0xad [ 715.338241] ? lock_release+0xa00/0xa00 [ 715.342225] ? perf_trace_sched_process_exec+0x860/0x860 [ 715.347706] ? print_usage_bug+0xc0/0xc0 [ 715.351767] ? print_usage_bug+0xc0/0xc0 [ 715.355840] ? down_read+0x8d/0x120 [ 715.359481] ? ext4_filemap_fault+0x7a/0xad [ 715.363801] ? __down_interruptible+0x700/0x700 [ 715.368497] ext4_filemap_fault+0x82/0xad [ 715.372667] __do_fault+0x100/0x6b0 [ 715.376304] ? find_held_lock+0x36/0x1c0 [ 715.380384] ? pmd_devmap_trans_unstable+0x220/0x220 [ 715.385492] ? mark_held_locks+0x130/0x130 [ 715.389728] ? mark_held_locks+0x130/0x130 [ 715.393981] ? debug_smp_processor_id+0x1c/0x20 [ 715.398651] ? perf_trace_lock+0x14d/0x7a0 [ 715.402883] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 715.407475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.413022] __handle_mm_fault+0x3ea0/0x5be0 [ 715.417451] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 715.422298] ? lock_is_held_type+0x210/0x210 [ 715.426745] ? preempt_notifier_register+0x200/0x200 [ 715.431875] ? __switch_to_asm+0x34/0x70 [ 715.435937] ? __switch_to_asm+0x34/0x70 [ 715.440010] ? zap_class+0x640/0x640 [ 715.443722] ? zap_class+0x640/0x640 [ 715.447485] ? __x64_sys_futex+0x53e/0x6a0 [ 715.451727] ? find_held_lock+0x36/0x1c0 [ 715.455797] ? handle_mm_fault+0x42a/0xc70 [ 715.460051] ? lock_downgrade+0x900/0x900 [ 715.464207] ? check_preemption_disabled+0x48/0x280 [ 715.469236] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.474162] ? kasan_check_read+0x11/0x20 [ 715.478310] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.483583] ? rcu_softirq_qs+0x20/0x20 [ 715.487561] ? trace_hardirqs_off_caller+0x310/0x310 [ 715.492670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.498216] ? check_preemption_disabled+0x48/0x280 [ 715.503241] handle_mm_fault+0x54f/0xc70 [ 715.507306] ? __handle_mm_fault+0x5be0/0x5be0 [ 715.511913] ? find_vma+0x34/0x190 [ 715.515480] __do_page_fault+0x5e8/0xe60 [ 715.519552] ? trace_hardirqs_off+0xb8/0x310 [ 715.523971] do_page_fault+0xf2/0x7e0 [ 715.527775] ? vmalloc_sync_all+0x30/0x30 [ 715.531924] ? error_entry+0x70/0xd0 [ 715.535638] ? trace_hardirqs_off_caller+0xbb/0x310 [ 715.540672] ? trace_hardirqs_on_caller+0xc0/0x310 [ 715.545647] ? syscall_return_slowpath+0x5e0/0x5e0 [ 715.550574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.555419] ? trace_hardirqs_on_caller+0x310/0x310 [ 715.560449] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 715.565904] ? prepare_exit_to_usermode+0x291/0x3b0 [ 715.570919] ? page_fault+0x8/0x30 [ 715.574468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.579318] ? page_fault+0x8/0x30 [ 715.582861] page_fault+0x1e/0x30 [ 715.586313] RIP: 0033:0x40f9c0 [ 715.589548] Code: Bad RIP value. [ 715.592909] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 715.598267] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 715.605533] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 715.612797] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 715.620066] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 715.627330] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 715.634633] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 715.634738] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 715.641939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.641944] Call Trace: [ 715.641950] [ 715.641972] dump_stack+0x244/0x39d [ 715.641991] ? dump_stack_print_info.cold.1+0x20/0x20 [ 715.648555] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 715.657849] warn_alloc.cold.116+0xb7/0x1bd [ 715.660400] syz-fuzzer cpuset=/ mems_allowed=0 [ 715.662542] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 715.695231] ? lock_downgrade+0x900/0x900 [ 715.699388] ? trace_hardirqs_off+0xb8/0x310 [ 715.703803] ? trace_hardirqs_off+0xb8/0x310 [ 715.708217] __alloc_pages_slowpath+0x26e8/0x2e10 [ 715.713089] ? warn_alloc+0x120/0x120 [ 715.716890] ? print_usage_bug+0xc0/0xc0 [ 715.720949] ? warn_alloc+0x120/0x120 [ 715.724772] ? warn_alloc+0x120/0x120 [ 715.728576] ? print_usage_bug+0xc0/0xc0 [ 715.732635] ? kvm_clock_read+0x18/0x30 [ 715.736611] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 715.741629] ? print_usage_bug+0xc0/0xc0 [ 715.745722] ? __lock_acquire+0x62f/0x4c20 [ 715.749978] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.755521] ? should_fail+0x22d/0xd01 [ 715.759408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.764701] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 715.769821] ? __lock_acquire+0x62f/0x4c20 [ 715.774075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 715.779176] ? __lock_acquire+0x62f/0x4c20 [ 715.783421] ? should_fail+0x22d/0xd01 [ 715.787314] ? rcu_irq_exit+0x1a2/0x390 [ 715.791299] ? mark_held_locks+0x130/0x130 [ 715.795554] ? mark_held_locks+0x130/0x130 [ 715.799812] ? mark_held_locks+0xc7/0x130 [ 715.803962] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 715.808979] ? zap_class+0x640/0x640 [ 715.812700] ? print_usage_bug+0xc0/0xc0 [ 715.816767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.822324] ? check_preemption_disabled+0x48/0x280 [ 715.827347] ? __lock_is_held+0xb5/0x140 [ 715.831413] __alloc_pages_nodemask+0xa80/0xde0 [ 715.836093] ? zap_class+0x640/0x640 [ 715.839825] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 715.844855] ? find_held_lock+0x36/0x1c0 [ 715.848931] ? ____cache_alloc_node+0x1c7/0x1e0 [ 715.853601] ? lock_downgrade+0x900/0x900 [ 715.857756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.863303] cache_grow_begin+0xa5/0x8c0 [ 715.867364] ? do_raw_spin_unlock+0xa7/0x330 [ 715.872210] fallback_alloc+0x204/0x2e0 [ 715.876195] ____cache_alloc_node+0x1c7/0x1e0 [ 715.880703] kmem_cache_alloc_node+0xe3/0x730 [ 715.885197] ? ipv6_get_ifaddr+0x42e/0x620 [ 715.889472] __alloc_skb+0x119/0x770 [ 715.893183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.898468] ? netdev_alloc_frag+0x1f0/0x1f0 [ 715.902880] ? lock_downgrade+0x900/0x900 [ 715.907050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.912601] ? refcount_sub_and_test_checked+0x203/0x310 [ 715.918057] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 715.923524] ? addrconf_rs_timer+0x690/0x690 [ 715.927946] ndisc_alloc_skb+0x144/0x340 [ 715.932051] ndisc_send_rs+0x331/0x6e0 [ 715.935944] addrconf_rs_timer+0x314/0x690 [ 715.940203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 715.944458] call_timer_fn+0x272/0x920 [ 715.948343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 715.952577] ? process_timeout+0x40/0x40 [ 715.956646] ? __run_timers+0x7da/0xc70 [ 715.960625] ? _raw_spin_unlock_irq+0x27/0x80 [ 715.965117] ? _raw_spin_unlock_irq+0x27/0x80 [ 715.969609] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 715.973863] ? lockdep_hardirqs_on+0x296/0x5b0 [ 715.978656] ? trace_hardirqs_on+0xbd/0x310 [ 715.982988] ? kasan_check_read+0x11/0x20 [ 715.987133] ? __run_timers+0x7da/0xc70 [ 715.991134] ? trace_hardirqs_off_caller+0x310/0x310 [ 715.996237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 716.000476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 716.004721] __run_timers+0x7e5/0xc70 [ 716.008535] ? timer_fixup_init+0x70/0x70 [ 716.012691] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 716.017719] ? zap_class+0x640/0x640 [ 716.021446] ? enqueue_hrtimer+0x1a5/0x560 [ 716.025688] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 716.030892] ? find_held_lock+0x36/0x1c0 [ 716.034957] ? zap_class+0x640/0x640 [ 716.038680] ? pvclock_read_flags+0x160/0x160 [ 716.043208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.048768] ? check_preemption_disabled+0x48/0x280 [ 716.053840] ? __lock_is_held+0xb5/0x140 [ 716.057905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.063448] ? check_preemption_disabled+0x48/0x280 [ 716.068501] run_timer_softirq+0x52/0xb0 [ 716.072562] ? rcu_read_lock_sched_held+0x14f/0x180 [ 716.077587] __do_softirq+0x308/0xb7e [ 716.081393] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 716.085884] ? lock_downgrade+0x900/0x900 [ 716.090039] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 716.095156] ? pvclock_read_flags+0x160/0x160 [ 716.099653] ? lapic_next_event+0x5a/0x90 [ 716.103802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.109488] ? kvm_clock_read+0x18/0x30 [ 716.113467] ? kvm_sched_clock_read+0x9/0x20 [ 716.117880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.123416] ? check_preemption_disabled+0x48/0x280 [ 716.128460] irq_exit+0x17f/0x1c0 [ 716.131915] smp_apic_timer_interrupt+0x1cb/0x760 [ 716.136758] ? smp_reschedule_interrupt+0x109/0x650 [ 716.141774] ? smp_call_function_single_interrupt+0x650/0x650 [ 716.147674] ? interrupt_entry+0xb5/0xc0 [ 716.151739] ? trace_hardirqs_off_caller+0xbb/0x310 [ 716.156783] ? trace_hardirqs_off_caller+0xbb/0x310 [ 716.161805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.166649] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.171699] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.176723] ? task_prio+0x50/0x50 [ 716.180267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.185810] ? check_preemption_disabled+0x48/0x280 [ 716.190834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.195691] apic_timer_interrupt+0xf/0x20 [ 716.199923] [ 716.202162] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 716.207116] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 716.226019] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 716.233726] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 716.240995] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 716.248264] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 716.255535] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 716.262803] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 716.270119] skb_clone+0x1bb/0x500 [ 716.273662] ? finish_task_switch+0x1b4/0x910 [ 716.278174] ? skb_split+0x11e0/0x11e0 [ 716.282068] ? preempt_notifier_register+0x200/0x200 [ 716.287173] ? __switch_to_asm+0x34/0x70 [ 716.291234] ? __switch_to_asm+0x34/0x70 [ 716.295292] ? __switch_to_asm+0x40/0x70 [ 716.299349] ? __switch_to_asm+0x34/0x70 [ 716.303410] ? __switch_to_asm+0x40/0x70 [ 716.307477] ? __switch_to_asm+0x34/0x70 [ 716.311534] ? __switch_to_asm+0x40/0x70 [ 716.315592] ? __switch_to_asm+0x34/0x70 [ 716.319651] ? __switch_to_asm+0x34/0x70 [ 716.323717] ? __switch_to_asm+0x40/0x70 [ 716.327773] ? __switch_to_asm+0x34/0x70 [ 716.331841] bpf_clone_redirect+0xb9/0x490 [ 716.336078] ? __schedule+0x8d7/0x21d0 [ 716.339970] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 716.344988] ? __sched_text_start+0x8/0x8 [ 716.349143] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 716.353729] ? retint_kernel+0x2d/0x2d [ 716.357622] ? trace_hardirqs_on_caller+0xc0/0x310 [ 716.362555] ? find_held_lock+0x36/0x1c0 [ 716.366624] ? lock_acquire+0x1ed/0x520 [ 716.370604] ? bpf_test_run+0x3cb/0x780 [ 716.374589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.380161] ? check_preemption_disabled+0x48/0x280 [ 716.385215] ? kasan_check_read+0x11/0x20 [ 716.389364] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 716.394641] ? rcu_softirq_qs+0x20/0x20 [ 716.398619] ? preempt_schedule+0x4d/0x60 [ 716.402771] ? ___preempt_schedule+0x16/0x18 [ 716.407190] ? bpf_test_run+0x25d/0x780 [ 716.411175] ? netlink_diag_dump+0x2a0/0x2a0 [ 716.415593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.421128] ? bpf_test_init.isra.10+0x70/0x100 [ 716.425803] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 716.430570] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 716.435411] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 716.440958] ? fput+0x130/0x1a0 [ 716.444244] ? __bpf_prog_get+0x9b/0x290 [ 716.448309] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 716.453152] ? bpf_prog_test_run+0x130/0x1a0 [ 716.457568] ? __x64_sys_bpf+0x3d8/0x520 [ 716.461631] ? bpf_prog_get+0x20/0x20 [ 716.465463] ? do_syscall_64+0x1b9/0x820 [ 716.469528] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 716.474896] ? syscall_return_slowpath+0x5e0/0x5e0 [ 716.479824] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.484672] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.489700] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 716.494724] ? prepare_exit_to_usermode+0x291/0x3b0 [ 716.499753] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.504607] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 716.509993] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 716.509999] warn_alloc_show_mem: 1 callbacks suppressed [ 716.510006] Mem-Info: [ 716.517016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.522384] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 716.522384] active_file:14 inactive_file:14 isolated_file:0 [ 716.522384] unevictable:0 dirty:0 writeback:0 unstable:0 [ 716.522384] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 716.522384] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 716.522384] free:13772 free_pcp:380 free_cma:0 [ 716.524757] Call Trace: [ 716.534154] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 716.567276] [ 716.569856] 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 [ 716.597780] dump_stack+0x244/0x39d [ 716.599903] lowmem_reserve[]: 0 2818 6321 6321 [ 716.626023] ? dump_stack_print_info.cold.1+0x20/0x20 [ 716.629622] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 716.634209] warn_alloc.cold.116+0xb7/0x1bd [ 716.639356] lowmem_reserve[]: 0 0 3503 3503 [ 716.666858] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 716.671152] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 716.675484] ? lock_downgrade+0x900/0x900 [ 716.680292] lowmem_reserve[]: 0 0 0 0 [ 716.709459] ? trace_hardirqs_off+0xb8/0x310 [ 716.713577] 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 [ 716.717378] ? trace_hardirqs_off+0xb8/0x310 [ 716.721754] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 716.735289] __alloc_pages_slowpath+0x26e8/0x2e10 [ 716.739669] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 716.754962] ? warn_alloc+0x120/0x120 [ 716.759757] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 716.774138] ? print_usage_bug+0xc0/0xc0 [ 716.777918] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 716.786741] ? warn_alloc+0x120/0x120 [ 716.790776] 12557 total pagecache pages [ 716.799359] ? warn_alloc+0x120/0x120 [ 716.803134] 0 pages in swap cache [ 716.807113] ? print_usage_bug+0xc0/0xc0 [ 716.810880] Swap cache stats: add 0, delete 0, find 0/0 [ 716.810889] Free swap = 0kB [ 716.814341] ? kvm_clock_read+0x18/0x30 [ 716.818371] Total swap = 0kB [ 716.818379] 1965979 pages RAM [ 716.823746] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 716.826736] 0 pages HighMem/MovableOnly [ 716.830715] ? print_usage_bug+0xc0/0xc0 [ 716.833701] 342853 pages reserved [ 716.836803] ? __lock_acquire+0x62f/0x4c20 [ 716.841793] 0 pages cma reserved [ 716.845768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.849872] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 716.853252] ? should_fail+0x22d/0xd01 [ 716.857578] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 716.860831] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 716.866342] syz-executor1 cpuset=syz1 mems_allowed=0 [ 716.872836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 716.902620] ? __lock_acquire+0x62f/0x4c20 [ 716.906864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 716.911967] ? __lock_acquire+0x62f/0x4c20 [ 716.916205] ? should_fail+0x22d/0xd01 [ 716.920091] ? rcu_irq_exit+0x1a2/0x390 [ 716.924090] ? mark_held_locks+0x130/0x130 [ 716.928331] ? mark_held_locks+0x130/0x130 [ 716.932574] ? mark_held_locks+0xc7/0x130 [ 716.936729] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 716.941744] ? zap_class+0x640/0x640 [ 716.945470] ? print_usage_bug+0xc0/0xc0 [ 716.949541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.955085] ? check_preemption_disabled+0x48/0x280 [ 716.960116] ? __lock_is_held+0xb5/0x140 [ 716.964189] __alloc_pages_nodemask+0xa80/0xde0 [ 716.968964] ? zap_class+0x640/0x640 [ 716.972686] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 716.977916] ? find_held_lock+0x36/0x1c0 [ 716.981993] ? ____cache_alloc_node+0x1c7/0x1e0 [ 716.986684] ? lock_downgrade+0x900/0x900 [ 716.990846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.996394] cache_grow_begin+0xa5/0x8c0 [ 717.000462] ? do_raw_spin_unlock+0xa7/0x330 [ 717.004884] fallback_alloc+0x204/0x2e0 [ 717.008865] ____cache_alloc_node+0x1c7/0x1e0 [ 717.013379] kmem_cache_alloc_node+0xe3/0x730 [ 717.017889] ? ipv6_get_ifaddr+0x42e/0x620 [ 717.022147] __alloc_skb+0x119/0x770 [ 717.025877] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 717.031175] ? netdev_alloc_frag+0x1f0/0x1f0 [ 717.035619] ? lock_downgrade+0x900/0x900 [ 717.039777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.045319] ? refcount_sub_and_test_checked+0x203/0x310 [ 717.050778] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 717.056249] ? addrconf_rs_timer+0x690/0x690 [ 717.060676] ndisc_alloc_skb+0x144/0x340 [ 717.064755] ndisc_send_rs+0x331/0x6e0 [ 717.068652] addrconf_rs_timer+0x314/0x690 [ 717.072895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 717.077176] call_timer_fn+0x272/0x920 [ 717.081121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 717.085368] ? process_timeout+0x40/0x40 [ 717.089455] ? mark_held_locks+0xc7/0x130 [ 717.093611] ? _raw_spin_unlock_irq+0x27/0x80 [ 717.098108] ? _raw_spin_unlock_irq+0x27/0x80 [ 717.102604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 717.107299] ? lockdep_hardirqs_on+0x296/0x5b0 [ 717.111902] ? trace_hardirqs_on+0xbd/0x310 [ 717.116234] ? kasan_check_read+0x11/0x20 [ 717.120384] ? __run_timers+0x7da/0xc70 [ 717.124357] ? trace_hardirqs_off_caller+0x310/0x310 [ 717.129475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 717.133718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 717.137955] __run_timers+0x7e5/0xc70 [ 717.141767] ? timer_fixup_init+0x70/0x70 [ 717.145920] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 717.150942] ? zap_class+0x640/0x640 [ 717.154663] ? print_usage_bug+0xc0/0xc0 [ 717.158730] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 717.163927] ? find_held_lock+0x36/0x1c0 [ 717.167998] ? zap_class+0x640/0x640 [ 717.171724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.177283] ? check_preemption_disabled+0x48/0x280 [ 717.182336] ? __lock_is_held+0xb5/0x140 [ 717.186400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.191948] ? check_preemption_disabled+0x48/0x280 [ 717.196970] run_timer_softirq+0x52/0xb0 [ 717.201033] ? rcu_read_lock_sched_held+0x14f/0x180 [ 717.206053] __do_softirq+0x308/0xb7e [ 717.209861] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 717.214355] ? lock_downgrade+0x900/0x900 [ 717.218523] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 717.223657] ? pvclock_read_flags+0x160/0x160 [ 717.228160] ? lapic_next_event+0x5a/0x90 [ 717.232315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.237856] ? kvm_clock_read+0x18/0x30 [ 717.241830] ? kvm_sched_clock_read+0x9/0x20 [ 717.246245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.251815] ? check_preemption_disabled+0x48/0x280 [ 717.256843] irq_exit+0x17f/0x1c0 [ 717.260298] smp_apic_timer_interrupt+0x1cb/0x760 [ 717.265138] ? smp_reschedule_interrupt+0x109/0x650 [ 717.270160] ? smp_call_function_single_interrupt+0x650/0x650 [ 717.276052] ? interrupt_entry+0xb5/0xc0 [ 717.280119] ? trace_hardirqs_off_caller+0xbb/0x310 [ 717.285136] ? trace_hardirqs_off_caller+0xbb/0x310 [ 717.290158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.295007] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.300027] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.305045] ? task_prio+0x50/0x50 [ 717.308589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.314146] ? check_preemption_disabled+0x48/0x280 [ 717.319214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.324072] apic_timer_interrupt+0xf/0x20 [ 717.328299] [ 717.330543] RIP: 0010:dump_stack+0x20e/0x39d [ 717.334965] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 717.353864] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 717.361575] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 717.368844] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 717.376110] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 717.383377] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 717.390643] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 717.397941] ? dump_stack+0x205/0x39d [ 717.401777] ? dump_stack_print_info.cold.1+0x20/0x20 [ 717.406975] ? mark_held_locks+0x130/0x130 [ 717.411216] ? mark_held_locks+0x130/0x130 [ 717.415462] dump_header+0x27b/0xf72 [ 717.419198] ? pagefault_out_of_memory+0x197/0x197 [ 717.424157] ? __lock_acquire+0x62f/0x4c20 [ 717.428410] ? percpu_ref_get_many+0x240/0x240 [ 717.433037] ? print_usage_bug+0xc0/0xc0 [ 717.437106] ? zap_class+0x640/0x640 [ 717.440854] ? print_usage_bug+0xc0/0xc0 [ 717.444919] ? print_usage_bug+0xc0/0xc0 [ 717.448981] ? zap_class+0x640/0x640 [ 717.452704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.458264] ? find_held_lock+0x36/0x1c0 [ 717.462353] ? mark_held_locks+0xc7/0x130 [ 717.466510] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 717.471615] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 717.476745] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 717.481332] ? trace_hardirqs_on+0xbd/0x310 [ 717.485654] ? kasan_check_read+0x11/0x20 [ 717.489804] ? ___ratelimit+0x3b4/0x672 [ 717.493780] ? trace_hardirqs_off_caller+0x310/0x310 [ 717.498890] ? trace_hardirqs_on+0x310/0x310 [ 717.503304] ? lock_downgrade+0x900/0x900 [ 717.507473] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 717.512579] ? ___ratelimit+0x3b9/0x672 [ 717.516557] ? idr_get_free+0xf70/0xf70 [ 717.520538] ? find_held_lock+0x36/0x1c0 [ 717.524617] oom_kill_process.cold.27+0x10/0x903 [ 717.529374] ? zap_class+0x640/0x640 [ 717.533097] ? check_preemption_disabled+0x48/0x280 [ 717.538124] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 717.543053] ? kasan_check_read+0x11/0x20 [ 717.547204] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 717.552483] ? oom_evaluate_task+0x540/0x540 [ 717.556966] ? find_held_lock+0x36/0x1c0 [ 717.561054] ? out_of_memory+0x974/0x1430 [ 717.565211] ? lock_downgrade+0x900/0x900 [ 717.569359] ? check_preemption_disabled+0x48/0x280 [ 717.574381] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 717.579324] ? kasan_check_read+0x11/0x20 [ 717.583488] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 717.588765] ? rcu_softirq_qs+0x20/0x20 [ 717.592747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.598282] ? oom_evaluate_task+0x302/0x540 [ 717.602712] out_of_memory+0xa84/0x1430 [ 717.606694] ? oom_killer_disable+0x3a0/0x3a0 [ 717.611198] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 717.616135] ? __ww_mutex_check_waiters+0x160/0x160 [ 717.621163] __alloc_pages_slowpath+0x2354/0x2e10 [ 717.626044] ? warn_alloc+0x120/0x120 [ 717.629847] ? mark_held_locks+0x130/0x130 [ 717.634088] ? find_get_entry+0xaae/0x1120 [ 717.638348] ? filemap_map_pages+0x1a20/0x1a20 [ 717.642963] ? zap_class+0x640/0x640 [ 717.646683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.652227] ? check_preemption_disabled+0x48/0x280 [ 717.657242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.662780] ? should_fail+0x22d/0xd01 [ 717.666677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 717.671803] ? zap_class+0x640/0x640 [ 717.675548] ? __lock_is_held+0xb5/0x140 [ 717.679621] ? mark_held_locks+0x130/0x130 [ 717.683859] ? lock_release+0xa00/0xa00 [ 717.687840] ? perf_trace_sched_process_exec+0x860/0x860 [ 717.693308] ? xa_load+0x2ba/0x460 [ 717.696856] ? lock_downgrade+0x900/0x900 [ 717.701015] ? __might_sleep+0x95/0x190 [ 717.705004] __alloc_pages_nodemask+0xa80/0xde0 [ 717.709682] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 717.714727] ? __page_cache_alloc+0x191/0x5c0 [ 717.719251] ? xa_load+0x2e1/0x460 [ 717.722821] ? xa_clear_mark+0x40/0x40 [ 717.726724] ? zap_class+0x640/0x640 [ 717.730457] ? zap_class+0x640/0x640 [ 717.734173] ? zap_class+0x640/0x640 [ 717.737892] ? __do_page_cache_readahead+0x663/0x810 [ 717.743004] ? find_held_lock+0x36/0x1c0 [ 717.747074] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 717.752623] alloc_pages_current+0x173/0x350 [ 717.757050] __page_cache_alloc+0x38c/0x5c0 [ 717.761369] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 717.766295] ? kasan_check_read+0x11/0x20 [ 717.770448] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 717.775731] ? generic_perform_write+0x6a0/0x6a0 [ 717.780490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.786046] ? check_preemption_disabled+0x48/0x280 [ 717.791076] filemap_fault+0x1595/0x25f0 [ 717.795151] ? __lock_page_or_retry+0xa00/0xa00 [ 717.799829] ? mark_held_locks+0x130/0x130 [ 717.804076] ? filemap_map_pages+0xd6b/0x1a20 [ 717.808576] ? lock_downgrade+0x900/0x900 [ 717.812723] ? check_preemption_disabled+0x48/0x280 [ 717.817742] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 717.822689] ? kasan_check_read+0x11/0x20 [ 717.826869] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 717.834145] ? rcu_softirq_qs+0x20/0x20 [ 717.838147] ? filemap_map_pages+0xd92/0x1a20 [ 717.842673] ? find_get_entries_tag+0x1400/0x1400 [ 717.847522] ? debug_object_destroy+0x2b0/0x2b0 [ 717.852203] ? lock_pi_update_atomic+0x150/0x150 [ 717.856960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.862512] ? lock_acquire+0x1ed/0x520 [ 717.866485] ? ext4_filemap_fault+0x7a/0xad [ 717.870816] ? lock_release+0xa00/0xa00 [ 717.874787] ? perf_trace_sched_process_exec+0x860/0x860 [ 717.880255] ? print_usage_bug+0xc0/0xc0 [ 717.884317] ? print_usage_bug+0xc0/0xc0 [ 717.888390] ? down_read+0x8d/0x120 [ 717.892014] ? ext4_filemap_fault+0x7a/0xad [ 717.896339] ? __down_interruptible+0x700/0x700 [ 717.901022] ext4_filemap_fault+0x82/0xad [ 717.905174] __do_fault+0x100/0x6b0 [ 717.908821] ? find_held_lock+0x36/0x1c0 [ 717.912887] ? pmd_devmap_trans_unstable+0x220/0x220 [ 717.917999] ? mark_held_locks+0x130/0x130 [ 717.922250] ? mark_held_locks+0x130/0x130 [ 717.926492] ? debug_smp_processor_id+0x1c/0x20 [ 717.931161] ? perf_trace_lock+0x14d/0x7a0 [ 717.935397] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 717.940028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.945573] __handle_mm_fault+0x3ea0/0x5be0 [ 717.950016] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 717.954861] ? lock_is_held_type+0x210/0x210 [ 717.959278] ? preempt_notifier_register+0x200/0x200 [ 717.964379] ? __switch_to_asm+0x34/0x70 [ 717.968445] ? __switch_to_asm+0x34/0x70 [ 717.972536] ? zap_class+0x640/0x640 [ 717.976248] ? zap_class+0x640/0x640 [ 717.979976] ? __x64_sys_futex+0x53e/0x6a0 [ 717.984223] ? find_held_lock+0x36/0x1c0 [ 717.988296] ? handle_mm_fault+0x42a/0xc70 [ 717.992538] ? lock_downgrade+0x900/0x900 [ 717.996690] ? check_preemption_disabled+0x48/0x280 [ 718.001742] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 718.006674] ? kasan_check_read+0x11/0x20 [ 718.010822] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 718.016097] ? rcu_softirq_qs+0x20/0x20 [ 718.020072] ? trace_hardirqs_off_caller+0x310/0x310 [ 718.025179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 718.030725] ? check_preemption_disabled+0x48/0x280 [ 718.035756] handle_mm_fault+0x54f/0xc70 [ 718.039823] ? __handle_mm_fault+0x5be0/0x5be0 [ 718.044412] ? find_vma+0x34/0x190 [ 718.047969] __do_page_fault+0x5e8/0xe60 [ 718.052030] ? trace_hardirqs_off+0xb8/0x310 [ 718.056461] do_page_fault+0xf2/0x7e0 [ 718.060282] ? vmalloc_sync_all+0x30/0x30 [ 718.064447] ? error_entry+0x70/0xd0 [ 718.068177] ? trace_hardirqs_off_caller+0xbb/0x310 [ 718.073202] ? trace_hardirqs_on_caller+0xc0/0x310 [ 718.078145] ? syscall_return_slowpath+0x5e0/0x5e0 [ 718.083092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.087941] ? trace_hardirqs_on_caller+0x310/0x310 [ 718.092956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 718.098413] ? prepare_exit_to_usermode+0x291/0x3b0 [ 718.103474] ? page_fault+0x8/0x30 [ 718.107372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.112225] ? page_fault+0x8/0x30 [ 718.115767] page_fault+0x1e/0x30 [ 718.119222] RIP: 0033:0x40f9c0 [ 718.122449] Code: Bad RIP value. [ 718.125814] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 718.131175] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 718.138455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 718.145725] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 718.152992] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 718.160263] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 718.167562] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 718.167629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 718.174838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.174847] Call Trace: [ 718.181458] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 718.190663] [ 718.193231] syz-fuzzer cpuset=/ mems_allowed=0 [ 718.203463] dump_stack+0x244/0x39d [ 718.213778] ? dump_stack_print_info.cold.1+0x20/0x20 [ 718.218983] warn_alloc.cold.116+0xb7/0x1bd [ 718.223318] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 718.228165] ? lock_downgrade+0x900/0x900 [ 718.232320] ? trace_hardirqs_off+0xb8/0x310 [ 718.236733] ? trace_hardirqs_off+0xb8/0x310 [ 718.241157] __alloc_pages_slowpath+0x26e8/0x2e10 [ 718.246032] ? warn_alloc+0x120/0x120 [ 718.249839] ? print_usage_bug+0xc0/0xc0 [ 718.253906] ? warn_alloc+0x120/0x120 [ 718.257720] ? warn_alloc+0x120/0x120 [ 718.261528] ? print_usage_bug+0xc0/0xc0 [ 718.265594] ? kvm_clock_read+0x18/0x30 [ 718.269576] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 718.274596] ? print_usage_bug+0xc0/0xc0 [ 718.278659] ? __lock_acquire+0x62f/0x4c20 [ 718.282903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 718.288449] ? should_fail+0x22d/0xd01 [ 718.292345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 718.297452] ? __lock_acquire+0x62f/0x4c20 [ 718.301728] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 718.306832] ? __lock_acquire+0x62f/0x4c20 [ 718.311065] ? should_fail+0x22d/0xd01 [ 718.314966] ? mark_held_locks+0x130/0x130 [ 718.319207] ? mark_held_locks+0x130/0x130 [ 718.323460] ? zap_class+0x640/0x640 [ 718.327173] ? print_usage_bug+0xc0/0xc0 [ 718.331264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.336815] ? check_preemption_disabled+0x48/0x280 [ 718.341840] ? __lock_is_held+0xb5/0x140 [ 718.345909] __alloc_pages_nodemask+0xa80/0xde0 [ 718.350578] ? zap_class+0x640/0x640 [ 718.354297] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 718.359342] ? find_held_lock+0x36/0x1c0 [ 718.363440] ? ____cache_alloc_node+0x1c7/0x1e0 [ 718.368111] ? lock_downgrade+0x900/0x900 [ 718.372271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.377817] cache_grow_begin+0xa5/0x8c0 [ 718.381877] ? do_raw_spin_unlock+0xa7/0x330 [ 718.386295] fallback_alloc+0x204/0x2e0 [ 718.390281] ____cache_alloc_node+0x1c7/0x1e0 [ 718.394786] kmem_cache_alloc_node+0xe3/0x730 [ 718.399281] ? ipv6_get_ifaddr+0x42e/0x620 [ 718.403527] __alloc_skb+0x119/0x770 [ 718.407244] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 718.412528] ? netdev_alloc_frag+0x1f0/0x1f0 [ 718.416934] ? lock_downgrade+0x900/0x900 [ 718.421094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.426635] ? refcount_sub_and_test_checked+0x203/0x310 [ 718.432093] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 718.437544] ? addrconf_rs_timer+0x690/0x690 [ 718.441977] ndisc_alloc_skb+0x144/0x340 [ 718.446047] ndisc_send_rs+0x331/0x6e0 [ 718.449945] addrconf_rs_timer+0x314/0x690 [ 718.454187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.458448] call_timer_fn+0x272/0x920 [ 718.462342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.466579] ? process_timeout+0x40/0x40 [ 718.470653] ? __run_timers+0x7da/0xc70 [ 718.474635] ? _raw_spin_unlock_irq+0x27/0x80 [ 718.479133] ? _raw_spin_unlock_irq+0x27/0x80 [ 718.483634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.487874] ? lockdep_hardirqs_on+0x296/0x5b0 [ 718.492467] ? trace_hardirqs_on+0xbd/0x310 [ 718.496794] ? kasan_check_read+0x11/0x20 [ 718.500947] ? __run_timers+0x7da/0xc70 [ 718.504924] ? trace_hardirqs_off_caller+0x310/0x310 [ 718.510050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 718.514299] __run_timers+0x7e5/0xc70 [ 718.518113] ? timer_fixup_init+0x70/0x70 [ 718.522267] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 718.527289] ? zap_class+0x640/0x640 [ 718.531008] ? enqueue_hrtimer+0x1a5/0x560 [ 718.535244] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 718.540446] ? find_held_lock+0x36/0x1c0 [ 718.544532] ? zap_class+0x640/0x640 [ 718.548264] ? pvclock_read_flags+0x160/0x160 [ 718.552764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.558301] ? check_preemption_disabled+0x48/0x280 [ 718.563327] ? __lock_is_held+0xb5/0x140 [ 718.567393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.572937] ? check_preemption_disabled+0x48/0x280 [ 718.577960] run_timer_softirq+0x52/0xb0 [ 718.582028] ? rcu_read_lock_sched_held+0x14f/0x180 [ 718.587045] __do_softirq+0x308/0xb7e [ 718.590851] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 718.595352] ? lock_downgrade+0x900/0x900 [ 718.599510] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 718.604624] ? pvclock_read_flags+0x160/0x160 [ 718.609129] ? lapic_next_event+0x5a/0x90 [ 718.613282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.618828] ? kvm_clock_read+0x18/0x30 [ 718.622803] ? kvm_sched_clock_read+0x9/0x20 [ 718.627216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.632764] ? check_preemption_disabled+0x48/0x280 [ 718.637797] irq_exit+0x17f/0x1c0 [ 718.641260] smp_apic_timer_interrupt+0x1cb/0x760 [ 718.646107] ? smp_reschedule_interrupt+0x109/0x650 [ 718.651123] ? smp_call_function_single_interrupt+0x650/0x650 [ 718.657008] ? interrupt_entry+0xb5/0xc0 [ 718.661074] ? trace_hardirqs_off_caller+0xbb/0x310 [ 718.666090] ? trace_hardirqs_off_caller+0xbb/0x310 [ 718.671113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.675960] ? trace_hardirqs_on_caller+0x310/0x310 [ 718.680974] ? trace_hardirqs_on_caller+0x310/0x310 [ 718.685999] ? task_prio+0x50/0x50 [ 718.689545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.695084] ? check_preemption_disabled+0x48/0x280 [ 718.700108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.704963] apic_timer_interrupt+0xf/0x20 [ 718.709191] [ 718.711439] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 718.716371] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 718.735284] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 718.743008] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 718.750289] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 718.757570] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 718.764851] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 718.772134] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 718.779473] skb_clone+0x1bb/0x500 [ 718.783029] ? finish_task_switch+0x1b4/0x910 [ 718.787545] ? skb_split+0x11e0/0x11e0 [ 718.791460] ? preempt_notifier_register+0x200/0x200 [ 718.796575] ? __switch_to_asm+0x34/0x70 [ 718.800649] ? __switch_to_asm+0x34/0x70 [ 718.804721] ? __switch_to_asm+0x40/0x70 [ 718.808796] ? __switch_to_asm+0x34/0x70 [ 718.812865] ? __switch_to_asm+0x40/0x70 [ 718.816936] ? __switch_to_asm+0x34/0x70 [ 718.821005] ? __switch_to_asm+0x40/0x70 [ 718.825073] ? __switch_to_asm+0x34/0x70 [ 718.829159] ? __switch_to_asm+0x34/0x70 [ 718.833227] ? __switch_to_asm+0x40/0x70 [ 718.837294] ? __switch_to_asm+0x34/0x70 [ 718.841372] bpf_clone_redirect+0xb9/0x490 [ 718.845620] ? __schedule+0x8d7/0x21d0 [ 718.849523] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 718.854556] ? __sched_text_start+0x8/0x8 [ 718.858721] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 718.863314] ? retint_kernel+0x2d/0x2d [ 718.867208] ? trace_hardirqs_on_caller+0xc0/0x310 [ 718.872153] ? find_held_lock+0x36/0x1c0 [ 718.876230] ? lock_acquire+0x1ed/0x520 [ 718.880212] ? bpf_test_run+0x3cb/0x780 [ 718.884206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.889760] ? check_preemption_disabled+0x48/0x280 [ 718.894796] ? kasan_check_read+0x11/0x20 [ 718.898949] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 718.904246] ? rcu_softirq_qs+0x20/0x20 [ 718.908285] ? preempt_schedule+0x4d/0x60 [ 718.912509] ? ___preempt_schedule+0x16/0x18 [ 718.916979] ? bpf_test_run+0x25d/0x780 [ 718.920985] ? netlink_diag_dump+0x2a0/0x2a0 [ 718.925405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 718.930954] ? bpf_test_init.isra.10+0x70/0x100 [ 718.935634] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 718.940413] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 718.945281] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 718.950840] ? fput+0x130/0x1a0 [ 718.954136] ? __bpf_prog_get+0x9b/0x290 [ 718.958209] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 718.963086] ? bpf_prog_test_run+0x130/0x1a0 [ 718.967504] ? __x64_sys_bpf+0x3d8/0x520 [ 718.971567] ? bpf_prog_get+0x20/0x20 [ 718.975656] ? do_syscall_64+0x1b9/0x820 [ 718.979728] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 718.985153] ? syscall_return_slowpath+0x5e0/0x5e0 [ 718.990163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.995215] ? trace_hardirqs_on_caller+0x310/0x310 [ 719.000245] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 719.005277] ? prepare_exit_to_usermode+0x291/0x3b0 [ 719.010307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.015238] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 719.020660] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 719.020666] warn_alloc_show_mem: 1 callbacks suppressed [ 719.020674] Mem-Info: [ 719.027712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 719.027740] Call Trace: [ 719.033130] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 719.033130] active_file:14 inactive_file:14 isolated_file:0 [ 719.033130] unevictable:0 dirty:0 writeback:0 unstable:0 [ 719.033130] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 719.033130] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 719.033130] free:13772 free_pcp:380 free_cma:0 [ 719.035502] [ 719.044886] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 719.047481] dump_stack+0x244/0x39d [ 719.080609] 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 [ 719.082788] ? dump_stack_print_info.cold.1+0x20/0x20 [ 719.110657] lowmem_reserve[]: 0 2818 6321 6321 [ 719.114340] warn_alloc.cold.116+0xb7/0x1bd [ 719.140570] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 719.145789] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 719.150337] lowmem_reserve[]: 0 0 3503 3503 [ 719.154724] ? lock_downgrade+0x900/0x900 [ 719.182188] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 719.187061] ? trace_hardirqs_off+0xb8/0x310 [ 719.191326] lowmem_reserve[]: 0 0 0 0 [ 719.195495] ? trace_hardirqs_off+0xb8/0x310 [ 719.224631] 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 [ 719.229053] __alloc_pages_slowpath+0x26e8/0x2e10 [ 719.232816] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 719.237253] ? warn_alloc+0x120/0x120 [ 719.250724] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 719.255563] ? print_usage_bug+0xc0/0xc0 [ 719.270799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 719.274590] ? warn_alloc+0x120/0x120 [ 719.288959] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 719.293008] ? warn_alloc+0x120/0x120 [ 719.301830] 12557 total pagecache pages [ 719.305625] ? print_usage_bug+0xc0/0xc0 [ 719.314182] 0 pages in swap cache [ 719.317976] ? kvm_clock_read+0x18/0x30 [ 719.321925] Swap cache stats: add 0, delete 0, find 0/0 [ 719.325976] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 719.329400] Free swap = 0kB [ 719.333369] ? print_usage_bug+0xc0/0xc0 [ 719.338709] Total swap = 0kB [ 719.343716] ? __lock_acquire+0x62f/0x4c20 [ 719.346710] 1965979 pages RAM [ 719.350773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.353772] 0 pages HighMem/MovableOnly [ 719.357999] ? should_fail+0x22d/0xd01 [ 719.361078] 342853 pages reserved [ 719.366609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 719.370561] 0 pages cma reserved [ 719.374453] ? __lock_acquire+0x62f/0x4c20 [ 719.377942] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 719.382979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 719.386427] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 719.390548] ? __lock_acquire+0x62f/0x4c20 [ 719.397012] syz-executor1 cpuset=syz1 mems_allowed=0 [ 719.402113] ? should_fail+0x22d/0xd01 [ 719.425780] ? mark_held_locks+0x130/0x130 [ 719.430035] ? mark_held_locks+0x130/0x130 [ 719.434274] ? try_to_wake_up+0x11c/0x1490 [ 719.438514] ? lock_downgrade+0x900/0x900 [ 719.442670] ? zap_class+0x640/0x640 [ 719.446474] ? print_usage_bug+0xc0/0xc0 [ 719.450539] ? trace_hardirqs_off+0xb8/0x310 [ 719.454951] ? kasan_check_read+0x11/0x20 [ 719.459108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.464658] ? check_preemption_disabled+0x48/0x280 [ 719.469686] ? __lock_is_held+0xb5/0x140 [ 719.473760] __alloc_pages_nodemask+0xa80/0xde0 [ 719.478429] ? zap_class+0x640/0x640 [ 719.482161] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 719.487203] ? find_held_lock+0x36/0x1c0 [ 719.491277] ? ____cache_alloc_node+0x1c7/0x1e0 [ 719.495948] ? lock_downgrade+0x900/0x900 [ 719.500136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.505680] cache_grow_begin+0xa5/0x8c0 [ 719.509743] ? do_raw_spin_unlock+0xa7/0x330 [ 719.514163] fallback_alloc+0x204/0x2e0 [ 719.518151] ____cache_alloc_node+0x1c7/0x1e0 [ 719.522652] kmem_cache_alloc_node+0xe3/0x730 [ 719.527155] ? ipv6_get_ifaddr+0x42e/0x620 [ 719.531410] __alloc_skb+0x119/0x770 [ 719.535136] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 719.540417] ? netdev_alloc_frag+0x1f0/0x1f0 [ 719.544831] ? lock_downgrade+0x900/0x900 [ 719.548994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.554532] ? refcount_sub_and_test_checked+0x203/0x310 [ 719.559990] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 719.565455] ? addrconf_rs_timer+0x690/0x690 [ 719.569877] ndisc_alloc_skb+0x144/0x340 [ 719.573945] ndisc_send_rs+0x331/0x6e0 [ 719.577837] addrconf_rs_timer+0x314/0x690 [ 719.582083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 719.586332] call_timer_fn+0x272/0x920 [ 719.590229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 719.594480] ? process_timeout+0x40/0x40 [ 719.598574] ? mark_held_locks+0xc7/0x130 [ 719.602726] ? _raw_spin_unlock_irq+0x27/0x80 [ 719.607232] ? _raw_spin_unlock_irq+0x27/0x80 [ 719.611731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 719.615971] ? lockdep_hardirqs_on+0x296/0x5b0 [ 719.620561] ? trace_hardirqs_on+0xbd/0x310 [ 719.624883] ? kasan_check_read+0x11/0x20 [ 719.629035] ? __run_timers+0x7da/0xc70 [ 719.633010] ? trace_hardirqs_off_caller+0x310/0x310 [ 719.638137] ? __queue_work+0x1440/0x1440 [ 719.642292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 719.646528] __run_timers+0x7e5/0xc70 [ 719.650344] ? timer_fixup_init+0x70/0x70 [ 719.654500] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 719.659522] ? zap_class+0x640/0x640 [ 719.663247] ? print_usage_bug+0xc0/0xc0 [ 719.667312] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 719.672509] ? find_held_lock+0x36/0x1c0 [ 719.676575] ? zap_class+0x640/0x640 [ 719.680298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.685838] ? check_preemption_disabled+0x48/0x280 [ 719.690868] ? __lock_is_held+0xb5/0x140 [ 719.694934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.700477] ? check_preemption_disabled+0x48/0x280 [ 719.705503] run_timer_softirq+0x52/0xb0 [ 719.709588] ? rcu_read_lock_sched_held+0x14f/0x180 [ 719.714609] __do_softirq+0x308/0xb7e [ 719.718415] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 719.722916] ? lock_downgrade+0x900/0x900 [ 719.727074] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 719.732191] ? pvclock_read_flags+0x160/0x160 [ 719.736700] ? lapic_next_event+0x5a/0x90 [ 719.740851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.746397] ? kvm_clock_read+0x18/0x30 [ 719.750371] ? kvm_sched_clock_read+0x9/0x20 [ 719.754782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.760324] ? check_preemption_disabled+0x48/0x280 [ 719.765375] irq_exit+0x17f/0x1c0 [ 719.768846] smp_apic_timer_interrupt+0x1cb/0x760 [ 719.773691] ? smp_reschedule_interrupt+0x109/0x650 [ 719.778713] ? smp_call_function_single_interrupt+0x650/0x650 [ 719.784602] ? interrupt_entry+0xb5/0xc0 [ 719.788664] ? trace_hardirqs_off_caller+0xbb/0x310 [ 719.793678] ? trace_hardirqs_off_caller+0xbb/0x310 [ 719.798703] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.803552] ? trace_hardirqs_on_caller+0x310/0x310 [ 719.808574] ? trace_hardirqs_on_caller+0x310/0x310 [ 719.813591] ? task_prio+0x50/0x50 [ 719.817151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.822690] ? check_preemption_disabled+0x48/0x280 [ 719.827712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.832564] apic_timer_interrupt+0xf/0x20 [ 719.836793] [ 719.839034] RIP: 0010:dump_stack+0x20e/0x39d [ 719.843454] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 719.862358] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 719.870090] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 719.877371] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 719.884652] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 719.891924] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 719.899191] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 719.906490] ? dump_stack+0x205/0x39d [ 719.910303] ? dump_stack_print_info.cold.1+0x20/0x20 [ 719.915517] ? mark_held_locks+0x130/0x130 [ 719.919755] ? mark_held_locks+0x130/0x130 [ 719.923999] dump_header+0x27b/0xf72 [ 719.927729] ? pagefault_out_of_memory+0x197/0x197 [ 719.932698] ? __lock_acquire+0x62f/0x4c20 [ 719.936952] ? percpu_ref_get_many+0x240/0x240 [ 719.941556] ? print_usage_bug+0xc0/0xc0 [ 719.945630] ? zap_class+0x640/0x640 [ 719.949353] ? print_usage_bug+0xc0/0xc0 [ 719.953416] ? print_usage_bug+0xc0/0xc0 [ 719.957487] ? zap_class+0x640/0x640 [ 719.961216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.966756] ? find_held_lock+0x36/0x1c0 [ 719.970857] ? mark_held_locks+0xc7/0x130 [ 719.975012] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 719.980113] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 719.985232] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 719.989830] ? trace_hardirqs_on+0xbd/0x310 [ 719.994151] ? kasan_check_read+0x11/0x20 [ 719.998337] ? ___ratelimit+0x3b4/0x672 [ 720.002325] ? trace_hardirqs_off_caller+0x310/0x310 [ 720.007451] ? trace_hardirqs_on+0x310/0x310 [ 720.011860] ? lock_downgrade+0x900/0x900 [ 720.016013] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 720.021114] ? ___ratelimit+0x3b9/0x672 [ 720.025090] ? idr_get_free+0xf70/0xf70 [ 720.029062] ? find_held_lock+0x36/0x1c0 [ 720.033150] oom_kill_process.cold.27+0x10/0x903 [ 720.037941] ? zap_class+0x640/0x640 [ 720.041690] ? check_preemption_disabled+0x48/0x280 [ 720.046707] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 720.051635] ? kasan_check_read+0x11/0x20 [ 720.055801] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.061095] ? oom_evaluate_task+0x540/0x540 [ 720.065508] ? find_held_lock+0x36/0x1c0 [ 720.069576] ? out_of_memory+0x974/0x1430 [ 720.073725] ? lock_downgrade+0x900/0x900 [ 720.077873] ? check_preemption_disabled+0x48/0x280 [ 720.082896] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 720.087827] ? kasan_check_read+0x11/0x20 [ 720.091977] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.097253] ? rcu_softirq_qs+0x20/0x20 [ 720.101234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.107242] ? oom_evaluate_task+0x302/0x540 [ 720.111653] out_of_memory+0xa84/0x1430 [ 720.115637] ? oom_killer_disable+0x3a0/0x3a0 [ 720.120153] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 720.125096] ? __ww_mutex_check_waiters+0x160/0x160 [ 720.130139] __alloc_pages_slowpath+0x2354/0x2e10 [ 720.135027] ? warn_alloc+0x120/0x120 [ 720.138830] ? mark_held_locks+0x130/0x130 [ 720.143078] ? find_get_entry+0xaae/0x1120 [ 720.147340] ? filemap_map_pages+0x1a20/0x1a20 [ 720.151954] ? zap_class+0x640/0x640 [ 720.155677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.161220] ? check_preemption_disabled+0x48/0x280 [ 720.166243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.171785] ? should_fail+0x22d/0xd01 [ 720.175680] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 720.180786] ? zap_class+0x640/0x640 [ 720.184532] ? __lock_is_held+0xb5/0x140 [ 720.188625] ? mark_held_locks+0x130/0x130 [ 720.192863] ? lock_release+0xa00/0xa00 [ 720.196838] ? perf_trace_sched_process_exec+0x860/0x860 [ 720.202294] ? xa_load+0x2ba/0x460 [ 720.205838] ? lock_downgrade+0x900/0x900 [ 720.210000] ? __might_sleep+0x95/0x190 [ 720.213981] __alloc_pages_nodemask+0xa80/0xde0 [ 720.218658] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 720.223674] ? __page_cache_alloc+0x191/0x5c0 [ 720.228185] ? xa_load+0x2e1/0x460 [ 720.231796] ? xa_clear_mark+0x40/0x40 [ 720.235684] ? zap_class+0x640/0x640 [ 720.239442] ? zap_class+0x640/0x640 [ 720.243154] ? zap_class+0x640/0x640 [ 720.246884] ? __do_page_cache_readahead+0x663/0x810 [ 720.251991] ? find_held_lock+0x36/0x1c0 [ 720.256057] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 720.261615] alloc_pages_current+0x173/0x350 [ 720.266032] __page_cache_alloc+0x38c/0x5c0 [ 720.270364] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 720.275306] ? kasan_check_read+0x11/0x20 [ 720.279469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.284761] ? generic_perform_write+0x6a0/0x6a0 [ 720.289516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.295059] ? check_preemption_disabled+0x48/0x280 [ 720.300129] filemap_fault+0x1595/0x25f0 [ 720.304207] ? __lock_page_or_retry+0xa00/0xa00 [ 720.308895] ? mark_held_locks+0x130/0x130 [ 720.313141] ? filemap_map_pages+0xd6b/0x1a20 [ 720.317640] ? lock_downgrade+0x900/0x900 [ 720.321787] ? check_preemption_disabled+0x48/0x280 [ 720.326804] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 720.331733] ? kasan_check_read+0x11/0x20 [ 720.335880] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.341168] ? rcu_softirq_qs+0x20/0x20 [ 720.345162] ? filemap_map_pages+0xd92/0x1a20 [ 720.349681] ? find_get_entries_tag+0x1400/0x1400 [ 720.354533] ? debug_object_destroy+0x2b0/0x2b0 [ 720.359209] ? lock_pi_update_atomic+0x150/0x150 [ 720.363966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.369516] ? lock_acquire+0x1ed/0x520 [ 720.373496] ? ext4_filemap_fault+0x7a/0xad [ 720.384179] ? lock_release+0xa00/0xa00 [ 720.388158] ? perf_trace_sched_process_exec+0x860/0x860 [ 720.393608] ? print_usage_bug+0xc0/0xc0 [ 720.397672] ? print_usage_bug+0xc0/0xc0 [ 720.401747] ? down_read+0x8d/0x120 [ 720.405371] ? ext4_filemap_fault+0x7a/0xad [ 720.409694] ? __down_interruptible+0x700/0x700 [ 720.414373] ext4_filemap_fault+0x82/0xad [ 720.418532] __do_fault+0x100/0x6b0 [ 720.422160] ? find_held_lock+0x36/0x1c0 [ 720.426276] ? pmd_devmap_trans_unstable+0x220/0x220 [ 720.431385] ? mark_held_locks+0x130/0x130 [ 720.435620] ? mark_held_locks+0x130/0x130 [ 720.439857] ? debug_smp_processor_id+0x1c/0x20 [ 720.444525] ? perf_trace_lock+0x14d/0x7a0 [ 720.448761] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 720.453380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.458937] __handle_mm_fault+0x3ea0/0x5be0 [ 720.463354] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 720.468199] ? lock_is_held_type+0x210/0x210 [ 720.472613] ? preempt_notifier_register+0x200/0x200 [ 720.477715] ? __switch_to_asm+0x34/0x70 [ 720.481776] ? __switch_to_asm+0x34/0x70 [ 720.485851] ? zap_class+0x640/0x640 [ 720.489564] ? zap_class+0x640/0x640 [ 720.493281] ? __x64_sys_futex+0x53e/0x6a0 [ 720.497533] ? find_held_lock+0x36/0x1c0 [ 720.501606] ? handle_mm_fault+0x42a/0xc70 [ 720.505846] ? lock_downgrade+0x900/0x900 [ 720.509993] ? check_preemption_disabled+0x48/0x280 [ 720.515015] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 720.519943] ? kasan_check_read+0x11/0x20 [ 720.524102] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.529377] ? rcu_softirq_qs+0x20/0x20 [ 720.533381] ? trace_hardirqs_off_caller+0x310/0x310 [ 720.538486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.544039] ? check_preemption_disabled+0x48/0x280 [ 720.549062] handle_mm_fault+0x54f/0xc70 [ 720.553129] ? __handle_mm_fault+0x5be0/0x5be0 [ 720.557734] ? find_vma+0x34/0x190 [ 720.561284] __do_page_fault+0x5e8/0xe60 [ 720.565347] ? trace_hardirqs_off+0xb8/0x310 [ 720.569765] do_page_fault+0xf2/0x7e0 [ 720.573915] ? vmalloc_sync_all+0x30/0x30 [ 720.578064] ? error_entry+0x70/0xd0 [ 720.581778] ? trace_hardirqs_off_caller+0xbb/0x310 [ 720.586798] ? trace_hardirqs_on_caller+0xc0/0x310 [ 720.591726] ? syscall_return_slowpath+0x5e0/0x5e0 [ 720.596667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.601517] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.606535] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 720.611991] ? prepare_exit_to_usermode+0x291/0x3b0 [ 720.617008] ? page_fault+0x8/0x30 [ 720.620568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.625412] ? page_fault+0x8/0x30 [ 720.628959] page_fault+0x1e/0x30 [ 720.632413] RIP: 0033:0x40f9c0 [ 720.635632] Code: Bad RIP value. [ 720.638997] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 720.644373] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 720.651639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 720.658923] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 720.666189] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 720.673473] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 720.680771] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 720.680837] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 720.688042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 720.688047] Call Trace: [ 720.688054] [ 720.688076] dump_stack+0x244/0x39d [ 720.688096] ? dump_stack_print_info.cold.1+0x20/0x20 [ 720.694640] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 720.703961] warn_alloc.cold.116+0xb7/0x1bd [ 720.706528] syz-fuzzer cpuset=/ mems_allowed=0 [ 720.708679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 720.741407] ? lock_downgrade+0x900/0x900 [ 720.745576] ? trace_hardirqs_off+0xb8/0x310 [ 720.750005] ? trace_hardirqs_off+0xb8/0x310 [ 720.754450] __alloc_pages_slowpath+0x26e8/0x2e10 [ 720.759346] ? warn_alloc+0x120/0x120 [ 720.763165] ? print_usage_bug+0xc0/0xc0 [ 720.767230] ? warn_alloc+0x120/0x120 [ 720.771040] ? warn_alloc+0x120/0x120 [ 720.774880] ? print_usage_bug+0xc0/0xc0 [ 720.778940] ? kvm_clock_read+0x18/0x30 [ 720.782914] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 720.787936] ? print_usage_bug+0xc0/0xc0 [ 720.792004] ? __lock_acquire+0x62f/0x4c20 [ 720.796247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.801790] ? should_fail+0x22d/0xd01 [ 720.805686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 720.810794] ? __lock_acquire+0x62f/0x4c20 [ 720.815037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 720.820139] ? __lock_acquire+0x62f/0x4c20 [ 720.824376] ? should_fail+0x22d/0xd01 [ 720.828272] ? mark_held_locks+0x130/0x130 [ 720.832516] ? mark_held_locks+0x130/0x130 [ 720.836766] ? zap_class+0x640/0x640 [ 720.840483] ? print_usage_bug+0xc0/0xc0 [ 720.844569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.850114] ? check_preemption_disabled+0x48/0x280 [ 720.855141] ? __lock_is_held+0xb5/0x140 [ 720.859210] __alloc_pages_nodemask+0xa80/0xde0 [ 720.863881] ? zap_class+0x640/0x640 [ 720.867605] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 720.872634] ? find_held_lock+0x36/0x1c0 [ 720.876728] ? ____cache_alloc_node+0x1c7/0x1e0 [ 720.881400] ? lock_downgrade+0x900/0x900 [ 720.885560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.891100] cache_grow_begin+0xa5/0x8c0 [ 720.895174] ? do_raw_spin_unlock+0xa7/0x330 [ 720.899590] fallback_alloc+0x204/0x2e0 [ 720.903573] ____cache_alloc_node+0x1c7/0x1e0 [ 720.908074] kmem_cache_alloc_node+0xe3/0x730 [ 720.912585] ? ipv6_get_ifaddr+0x42e/0x620 [ 720.916835] __alloc_skb+0x119/0x770 [ 720.920553] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.925837] ? netdev_alloc_frag+0x1f0/0x1f0 [ 720.930244] ? lock_downgrade+0x900/0x900 [ 720.934397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.939938] ? refcount_sub_and_test_checked+0x203/0x310 [ 720.945389] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 720.950840] ? addrconf_rs_timer+0x690/0x690 [ 720.955258] ndisc_alloc_skb+0x144/0x340 [ 720.959327] ndisc_send_rs+0x331/0x6e0 [ 720.963221] addrconf_rs_timer+0x314/0x690 [ 720.967469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 720.971719] call_timer_fn+0x272/0x920 [ 720.975808] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 720.980043] ? process_timeout+0x40/0x40 [ 720.984127] ? __run_timers+0x7da/0xc70 [ 720.988102] ? _raw_spin_unlock_irq+0x27/0x80 [ 720.992594] ? _raw_spin_unlock_irq+0x27/0x80 [ 720.997086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.001327] ? lockdep_hardirqs_on+0x296/0x5b0 [ 721.005910] ? trace_hardirqs_on+0xbd/0x310 [ 721.010229] ? kasan_check_read+0x11/0x20 [ 721.014370] ? __run_timers+0x7da/0xc70 [ 721.018358] ? trace_hardirqs_off_caller+0x310/0x310 [ 721.023488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 721.027723] __run_timers+0x7e5/0xc70 [ 721.031538] ? timer_fixup_init+0x70/0x70 [ 721.035691] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 721.040718] ? zap_class+0x640/0x640 [ 721.044443] ? enqueue_hrtimer+0x1a5/0x560 [ 721.048682] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 721.053883] ? find_held_lock+0x36/0x1c0 [ 721.057951] ? zap_class+0x640/0x640 [ 721.061668] ? pvclock_read_flags+0x160/0x160 [ 721.066181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.071979] ? check_preemption_disabled+0x48/0x280 [ 721.077007] ? __lock_is_held+0xb5/0x140 [ 721.081070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.086623] ? check_preemption_disabled+0x48/0x280 [ 721.091648] run_timer_softirq+0x52/0xb0 [ 721.095735] ? rcu_read_lock_sched_held+0x14f/0x180 [ 721.100753] __do_softirq+0x308/0xb7e [ 721.104562] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 721.109057] ? lock_downgrade+0x900/0x900 [ 721.113221] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 721.118336] ? pvclock_read_flags+0x160/0x160 [ 721.122833] ? lapic_next_event+0x5a/0x90 [ 721.126985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.132525] ? kvm_clock_read+0x18/0x30 [ 721.136498] ? kvm_sched_clock_read+0x9/0x20 [ 721.140910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.146473] ? check_preemption_disabled+0x48/0x280 [ 721.151500] irq_exit+0x17f/0x1c0 [ 721.154954] smp_apic_timer_interrupt+0x1cb/0x760 [ 721.159796] ? smp_reschedule_interrupt+0x109/0x650 [ 721.164826] ? smp_call_function_single_interrupt+0x650/0x650 [ 721.170726] ? interrupt_entry+0xb5/0xc0 [ 721.174790] ? trace_hardirqs_off_caller+0xbb/0x310 [ 721.179823] ? trace_hardirqs_off_caller+0xbb/0x310 [ 721.184843] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.189688] ? trace_hardirqs_on_caller+0x310/0x310 [ 721.194716] ? trace_hardirqs_on_caller+0x310/0x310 [ 721.199765] ? task_prio+0x50/0x50 [ 721.203306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.208845] ? check_preemption_disabled+0x48/0x280 [ 721.213879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.218735] apic_timer_interrupt+0xf/0x20 [ 721.222976] [ 721.225221] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 721.230164] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 721.249059] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 721.256783] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 721.264052] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 721.271331] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 721.278594] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 721.285867] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 721.293175] skb_clone+0x1bb/0x500 [ 721.296719] ? finish_task_switch+0x1b4/0x910 [ 721.301218] ? skb_split+0x11e0/0x11e0 [ 721.305106] ? preempt_notifier_register+0x200/0x200 [ 721.310221] ? __switch_to_asm+0x34/0x70 [ 721.314324] ? __switch_to_asm+0x34/0x70 [ 721.318386] ? __switch_to_asm+0x40/0x70 [ 721.322453] ? __switch_to_asm+0x34/0x70 [ 721.326512] ? __switch_to_asm+0x40/0x70 [ 721.330571] ? __switch_to_asm+0x34/0x70 [ 721.334630] ? __switch_to_asm+0x40/0x70 [ 721.338685] ? __switch_to_asm+0x34/0x70 [ 721.342800] ? __switch_to_asm+0x34/0x70 [ 721.346862] ? __switch_to_asm+0x40/0x70 [ 721.350924] ? __switch_to_asm+0x34/0x70 [ 721.355005] bpf_clone_redirect+0xb9/0x490 [ 721.359257] ? __schedule+0x8d7/0x21d0 [ 721.363148] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 721.368165] ? __sched_text_start+0x8/0x8 [ 721.372335] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 721.376969] ? retint_kernel+0x2d/0x2d [ 721.380863] ? trace_hardirqs_on_caller+0xc0/0x310 [ 721.385801] ? find_held_lock+0x36/0x1c0 [ 721.389870] ? lock_acquire+0x1ed/0x520 [ 721.393845] ? bpf_test_run+0x3cb/0x780 [ 721.397837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.403378] ? check_preemption_disabled+0x48/0x280 [ 721.408401] ? kasan_check_read+0x11/0x20 [ 721.412556] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 721.417834] ? rcu_softirq_qs+0x20/0x20 [ 721.421811] ? preempt_schedule+0x4d/0x60 [ 721.425957] ? ___preempt_schedule+0x16/0x18 [ 721.430388] ? bpf_test_run+0x25d/0x780 [ 721.434460] ? netlink_diag_dump+0x2a0/0x2a0 [ 721.438905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.444462] ? bpf_test_init.isra.10+0x70/0x100 [ 721.449138] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 721.453903] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 721.458743] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 721.464280] ? fput+0x130/0x1a0 [ 721.467563] ? __bpf_prog_get+0x9b/0x290 [ 721.471627] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 721.476472] ? bpf_prog_test_run+0x130/0x1a0 [ 721.480888] ? __x64_sys_bpf+0x3d8/0x520 [ 721.484948] ? bpf_prog_get+0x20/0x20 [ 721.488771] ? do_syscall_64+0x1b9/0x820 [ 721.492831] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 721.498198] ? syscall_return_slowpath+0x5e0/0x5e0 [ 721.503126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.507974] ? trace_hardirqs_on_caller+0x310/0x310 [ 721.512991] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 721.518012] ? prepare_exit_to_usermode+0x291/0x3b0 [ 721.523035] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.527897] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 721.533294] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 721.533300] warn_alloc_show_mem: 1 callbacks suppressed [ 721.533307] Mem-Info: [ 721.540332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.545705] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 721.545705] active_file:14 inactive_file:14 isolated_file:0 [ 721.545705] unevictable:0 dirty:0 writeback:0 unstable:0 [ 721.545705] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 721.545705] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 721.545705] free:13772 free_pcp:380 free_cma:0 [ 721.548067] Call Trace: [ 721.557468] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 721.590582] [ 721.593155] 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 [ 721.620999] dump_stack+0x244/0x39d [ 721.623114] lowmem_reserve[]: 0 2818 6321 6321 [ 721.649229] ? dump_stack_print_info.cold.1+0x20/0x20 [ 721.652836] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 721.657427] warn_alloc.cold.116+0xb7/0x1bd [ 721.662578] lowmem_reserve[]: 0 0 3503 3503 [ 721.690076] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 721.694374] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 721.698690] ? lock_downgrade+0x900/0x900 [ 721.703513] lowmem_reserve[]: 0 0 0 0 [ 721.732667] ? trace_hardirqs_off+0xb8/0x310 [ 721.736781] 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 [ 721.740581] ? trace_hardirqs_off+0xb8/0x310 [ 721.744963] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 721.758490] __alloc_pages_slowpath+0x26e8/0x2e10 [ 721.762867] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 721.778146] ? warn_alloc+0x120/0x120 [ 721.782944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 721.797327] ? print_usage_bug+0xc0/0xc0 [ 721.801109] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 721.809931] ? warn_alloc+0x120/0x120 [ 721.813994] 12557 total pagecache pages [ 721.822579] ? warn_alloc+0x120/0x120 [ 721.826358] 0 pages in swap cache [ 721.830320] ? print_usage_bug+0xc0/0xc0 [ 721.834098] Swap cache stats: add 0, delete 0, find 0/0 [ 721.837539] ? print_usage_bug+0xc0/0xc0 [ 721.841571] Free swap = 0kB [ 721.846922] ? __lock_acquire+0x62f/0x4c20 [ 721.850954] Total swap = 0kB [ 721.853966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.858169] 1965979 pages RAM [ 721.861183] ? should_fail+0x22d/0xd01 [ 721.866700] 0 pages HighMem/MovableOnly [ 721.869795] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 721.873655] 342853 pages reserved [ 721.877620] ? __lock_acquire+0x62f/0x4c20 [ 721.882716] 0 pages cma reserved [ 721.886154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 721.890429] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 721.893721] ? __lock_acquire+0x62f/0x4c20 [ 721.898917] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 721.905283] ? should_fail+0x22d/0xd01 [ 721.909492] syz-executor1 cpuset=syz1 mems_allowed=0 [ 721.919968] ? find_held_lock+0x36/0x1c0 [ 721.933029] ? mark_held_locks+0x130/0x130 [ 721.937270] ? mark_held_locks+0x130/0x130 [ 721.941515] ? zap_class+0x640/0x640 [ 721.945228] ? zap_class+0x640/0x640 [ 721.948947] ? print_usage_bug+0xc0/0xc0 [ 721.953011] ? do_raw_spin_unlock+0xa7/0x330 [ 721.957444] ? zap_class+0x640/0x640 [ 721.961162] ? print_usage_bug+0xc0/0xc0 [ 721.965233] ? wq_watchdog_touch+0x9c/0xfe [ 721.969485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.975031] ? check_preemption_disabled+0x48/0x280 [ 721.980060] ? __lock_is_held+0xb5/0x140 [ 721.984126] __alloc_pages_nodemask+0xa80/0xde0 [ 721.988798] ? zap_class+0x640/0x640 [ 721.992520] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 721.997546] ? find_held_lock+0x36/0x1c0 [ 722.001616] ? ____cache_alloc_node+0x1c7/0x1e0 [ 722.006285] ? lock_downgrade+0x900/0x900 [ 722.010448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.016002] cache_grow_begin+0xa5/0x8c0 [ 722.020075] ? do_raw_spin_unlock+0xa7/0x330 [ 722.024492] fallback_alloc+0x204/0x2e0 [ 722.028503] ____cache_alloc_node+0x1c7/0x1e0 [ 722.033004] kmem_cache_alloc_node+0xe3/0x730 [ 722.037500] ? ipv6_get_ifaddr+0x42e/0x620 [ 722.041759] __alloc_skb+0x119/0x770 [ 722.045474] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 722.050755] ? netdev_alloc_frag+0x1f0/0x1f0 [ 722.055178] ? lock_downgrade+0x900/0x900 [ 722.059337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.064876] ? refcount_sub_and_test_checked+0x203/0x310 [ 722.070332] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 722.075792] ? addrconf_rs_timer+0x690/0x690 [ 722.080217] ndisc_alloc_skb+0x144/0x340 [ 722.084284] ndisc_send_rs+0x331/0x6e0 [ 722.088185] addrconf_rs_timer+0x314/0x690 [ 722.092429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 722.096681] call_timer_fn+0x272/0x920 [ 722.100592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 722.104930] ? process_timeout+0x40/0x40 [ 722.109485] ? mark_held_locks+0xc7/0x130 [ 722.113635] ? _raw_spin_unlock_irq+0x27/0x80 [ 722.118158] ? _raw_spin_unlock_irq+0x27/0x80 [ 722.122664] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 722.126896] ? lockdep_hardirqs_on+0x296/0x5b0 [ 722.131480] ? trace_hardirqs_on+0xbd/0x310 [ 722.135800] ? kasan_check_read+0x11/0x20 [ 722.139946] ? __run_timers+0x7da/0xc70 [ 722.143921] ? trace_hardirqs_off_caller+0x310/0x310 [ 722.149028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 722.153268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 722.157515] __run_timers+0x7e5/0xc70 [ 722.161326] ? timer_fixup_init+0x70/0x70 [ 722.165510] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 722.170561] ? zap_class+0x640/0x640 [ 722.174304] ? print_usage_bug+0xc0/0xc0 [ 722.178367] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 722.183569] ? find_held_lock+0x36/0x1c0 [ 722.187635] ? zap_class+0x640/0x640 [ 722.191355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.196893] ? check_preemption_disabled+0x48/0x280 [ 722.201946] ? __lock_is_held+0xb5/0x140 [ 722.206008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.211564] ? check_preemption_disabled+0x48/0x280 [ 722.216586] run_timer_softirq+0x52/0xb0 [ 722.220646] ? rcu_read_lock_sched_held+0x14f/0x180 [ 722.225662] __do_softirq+0x308/0xb7e [ 722.229471] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 722.233975] ? lock_downgrade+0x900/0x900 [ 722.238125] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 722.243240] ? pvclock_read_flags+0x160/0x160 [ 722.247738] ? lapic_next_event+0x5a/0x90 [ 722.251892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.257463] ? kvm_clock_read+0x18/0x30 [ 722.261445] ? kvm_sched_clock_read+0x9/0x20 [ 722.265857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.271395] ? check_preemption_disabled+0x48/0x280 [ 722.276417] irq_exit+0x17f/0x1c0 [ 722.279892] smp_apic_timer_interrupt+0x1cb/0x760 [ 722.284732] ? smp_reschedule_interrupt+0x109/0x650 [ 722.289779] ? smp_call_function_single_interrupt+0x650/0x650 [ 722.295668] ? interrupt_entry+0xb5/0xc0 [ 722.299730] ? trace_hardirqs_off_caller+0xbb/0x310 [ 722.304746] ? trace_hardirqs_off_caller+0xbb/0x310 [ 722.309761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.314603] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.319616] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.324630] ? task_prio+0x50/0x50 [ 722.328173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.333715] ? check_preemption_disabled+0x48/0x280 [ 722.338764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.343619] apic_timer_interrupt+0xf/0x20 [ 722.347843] [ 722.350081] RIP: 0010:dump_stack+0x20e/0x39d [ 722.354503] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 722.373419] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 722.381145] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 722.388409] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 722.395697] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 722.402962] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 722.410225] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 722.417513] ? dump_stack+0x205/0x39d [ 722.421355] ? dump_stack_print_info.cold.1+0x20/0x20 [ 722.426564] ? mark_held_locks+0x130/0x130 [ 722.430812] ? mark_held_locks+0x130/0x130 [ 722.435050] dump_header+0x27b/0xf72 [ 722.438778] ? pagefault_out_of_memory+0x197/0x197 [ 722.443719] ? __lock_acquire+0x62f/0x4c20 [ 722.447962] ? percpu_ref_get_many+0x240/0x240 [ 722.452553] ? print_usage_bug+0xc0/0xc0 [ 722.456624] ? zap_class+0x640/0x640 [ 722.460340] ? print_usage_bug+0xc0/0xc0 [ 722.464426] ? print_usage_bug+0xc0/0xc0 [ 722.468492] ? zap_class+0x640/0x640 [ 722.472227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.477769] ? find_held_lock+0x36/0x1c0 [ 722.481842] ? mark_held_locks+0xc7/0x130 [ 722.486008] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 722.491124] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 722.496230] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 722.500811] ? trace_hardirqs_on+0xbd/0x310 [ 722.505129] ? kasan_check_read+0x11/0x20 [ 722.509279] ? ___ratelimit+0x3b4/0x672 [ 722.513254] ? trace_hardirqs_off_caller+0x310/0x310 [ 722.518358] ? trace_hardirqs_on+0x310/0x310 [ 722.522768] ? lock_downgrade+0x900/0x900 [ 722.526921] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 722.532023] ? ___ratelimit+0x3b9/0x672 [ 722.536012] ? idr_get_free+0xf70/0xf70 [ 722.539981] ? find_held_lock+0x36/0x1c0 [ 722.544069] oom_kill_process.cold.27+0x10/0x903 [ 722.548823] ? zap_class+0x640/0x640 [ 722.552536] ? check_preemption_disabled+0x48/0x280 [ 722.557557] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 722.562485] ? kasan_check_read+0x11/0x20 [ 722.566638] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 722.571919] ? oom_evaluate_task+0x540/0x540 [ 722.576420] ? find_held_lock+0x36/0x1c0 [ 722.580498] ? out_of_memory+0x974/0x1430 [ 722.584653] ? lock_downgrade+0x900/0x900 [ 722.588802] ? check_preemption_disabled+0x48/0x280 [ 722.593820] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 722.598748] ? kasan_check_read+0x11/0x20 [ 722.602899] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 722.608175] ? rcu_softirq_qs+0x20/0x20 [ 722.612162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.617708] ? oom_evaluate_task+0x302/0x540 [ 722.622124] out_of_memory+0xa84/0x1430 [ 722.626107] ? oom_killer_disable+0x3a0/0x3a0 [ 722.630602] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 722.635541] ? __ww_mutex_check_waiters+0x160/0x160 [ 722.640572] __alloc_pages_slowpath+0x2354/0x2e10 [ 722.645473] ? warn_alloc+0x120/0x120 [ 722.649296] ? mark_held_locks+0x130/0x130 [ 722.653537] ? find_get_entry+0xaae/0x1120 [ 722.657810] ? filemap_map_pages+0x1a20/0x1a20 [ 722.662413] ? zap_class+0x640/0x640 [ 722.666148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.671690] ? check_preemption_disabled+0x48/0x280 [ 722.676707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.682246] ? should_fail+0x22d/0xd01 [ 722.686139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 722.691247] ? zap_class+0x640/0x640 [ 722.694992] ? __lock_is_held+0xb5/0x140 [ 722.699080] ? mark_held_locks+0x130/0x130 [ 722.703326] ? lock_release+0xa00/0xa00 [ 722.707315] ? perf_trace_sched_process_exec+0x860/0x860 [ 722.712766] ? xa_load+0x2ba/0x460 [ 722.716326] ? lock_downgrade+0x900/0x900 [ 722.720491] ? __might_sleep+0x95/0x190 [ 722.724488] __alloc_pages_nodemask+0xa80/0xde0 [ 722.729200] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 722.734237] ? __page_cache_alloc+0x191/0x5c0 [ 722.738766] ? xa_load+0x2e1/0x460 [ 722.742342] ? xa_clear_mark+0x40/0x40 [ 722.746228] ? zap_class+0x640/0x640 [ 722.749951] ? zap_class+0x640/0x640 [ 722.753668] ? zap_class+0x640/0x640 [ 722.757381] ? __do_page_cache_readahead+0x663/0x810 [ 722.762488] ? find_held_lock+0x36/0x1c0 [ 722.766550] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 722.772091] alloc_pages_current+0x173/0x350 [ 722.776520] __page_cache_alloc+0x38c/0x5c0 [ 722.780836] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 722.785803] ? kasan_check_read+0x11/0x20 [ 722.789980] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 722.795262] ? generic_perform_write+0x6a0/0x6a0 [ 722.800032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.805576] ? check_preemption_disabled+0x48/0x280 [ 722.810604] filemap_fault+0x1595/0x25f0 [ 722.814678] ? __lock_page_or_retry+0xa00/0xa00 [ 722.819349] ? mark_held_locks+0x130/0x130 [ 722.823595] ? filemap_map_pages+0xd6b/0x1a20 [ 722.828108] ? lock_downgrade+0x900/0x900 [ 722.832256] ? check_preemption_disabled+0x48/0x280 [ 722.837278] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 722.842212] ? kasan_check_read+0x11/0x20 [ 722.846361] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 722.851637] ? rcu_softirq_qs+0x20/0x20 [ 722.855623] ? filemap_map_pages+0xd92/0x1a20 [ 722.860148] ? find_get_entries_tag+0x1400/0x1400 [ 722.864990] ? debug_object_destroy+0x2b0/0x2b0 [ 722.869679] ? lock_pi_update_atomic+0x150/0x150 [ 722.874456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.880009] ? lock_acquire+0x1ed/0x520 [ 722.883983] ? ext4_filemap_fault+0x7a/0xad [ 722.888312] ? lock_release+0xa00/0xa00 [ 722.892285] ? perf_trace_sched_process_exec+0x860/0x860 [ 722.897740] ? print_usage_bug+0xc0/0xc0 [ 722.901800] ? print_usage_bug+0xc0/0xc0 [ 722.905900] ? down_read+0x8d/0x120 [ 722.909539] ? ext4_filemap_fault+0x7a/0xad [ 722.913904] ? __down_interruptible+0x700/0x700 [ 722.918596] ext4_filemap_fault+0x82/0xad [ 722.922750] __do_fault+0x100/0x6b0 [ 722.926373] ? find_held_lock+0x36/0x1c0 [ 722.930443] ? pmd_devmap_trans_unstable+0x220/0x220 [ 722.935557] ? mark_held_locks+0x130/0x130 [ 722.939796] ? mark_held_locks+0x130/0x130 [ 722.944034] ? debug_smp_processor_id+0x1c/0x20 [ 722.948723] ? perf_trace_lock+0x14d/0x7a0 [ 722.952955] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 722.957547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.963088] __handle_mm_fault+0x3ea0/0x5be0 [ 722.967505] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 722.972350] ? lock_is_held_type+0x210/0x210 [ 722.976978] ? preempt_notifier_register+0x200/0x200 [ 722.982076] ? __switch_to_asm+0x34/0x70 [ 722.986137] ? __switch_to_asm+0x34/0x70 [ 722.990214] ? zap_class+0x640/0x640 [ 722.993946] ? zap_class+0x640/0x640 [ 722.997659] ? __x64_sys_futex+0x53e/0x6a0 [ 723.001906] ? find_held_lock+0x36/0x1c0 [ 723.005991] ? handle_mm_fault+0x42a/0xc70 [ 723.010234] ? lock_downgrade+0x900/0x900 [ 723.014381] ? check_preemption_disabled+0x48/0x280 [ 723.019415] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 723.024353] ? kasan_check_read+0x11/0x20 [ 723.028516] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.033813] ? rcu_softirq_qs+0x20/0x20 [ 723.037786] ? trace_hardirqs_off_caller+0x310/0x310 [ 723.042904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.048449] ? check_preemption_disabled+0x48/0x280 [ 723.053493] handle_mm_fault+0x54f/0xc70 [ 723.057562] ? __handle_mm_fault+0x5be0/0x5be0 [ 723.062149] ? find_vma+0x34/0x190 [ 723.065720] __do_page_fault+0x5e8/0xe60 [ 723.069780] ? trace_hardirqs_off+0xb8/0x310 [ 723.074208] do_page_fault+0xf2/0x7e0 [ 723.078009] ? vmalloc_sync_all+0x30/0x30 [ 723.082158] ? error_entry+0x70/0xd0 [ 723.085871] ? trace_hardirqs_off_caller+0xbb/0x310 [ 723.090901] ? trace_hardirqs_on_caller+0xc0/0x310 [ 723.095829] ? syscall_return_slowpath+0x5e0/0x5e0 [ 723.100755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.105603] ? trace_hardirqs_on_caller+0x310/0x310 [ 723.110618] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 723.116072] ? prepare_exit_to_usermode+0x291/0x3b0 [ 723.121088] ? page_fault+0x8/0x30 [ 723.124628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.129477] ? page_fault+0x8/0x30 [ 723.133015] page_fault+0x1e/0x30 [ 723.136483] RIP: 0033:0x40f9c0 [ 723.139686] Code: Bad RIP value. [ 723.143045] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 723.148423] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 723.155712] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 723.162977] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 723.170239] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 723.177502] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 723.184796] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 723.184827] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 723.192077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 723.198287] rcu: (detected by 1, t=10582 jiffies, g=93053, q=6) [ 723.207628] Call Trace: [ 723.213778] rcu: All QSes seen, last rcu_preempt kthread activity 10427 (4295009465-4294999038), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 723.216338] [ 723.228975] syz-fuzzer R running task 8520 6017 6003 0x80000008 [ 723.231125] dump_stack+0x244/0x39d [ 723.238284] Call Trace: [ 723.241919] ? dump_stack_print_info.cold.1+0x20/0x20 [ 723.244475] [ 723.249663] warn_alloc.cold.116+0xb7/0x1bd [ 723.251807] sched_show_task.cold.84+0x2b6/0x30a [ 723.256124] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 723.260875] ? can_nice.part.74+0x20/0x20 [ 723.265711] ? lock_downgrade+0x900/0x900 [ 723.269836] ? vprintk_default+0x28/0x30 [ 723.274018] ? trace_hardirqs_off+0xb8/0x310 [ 723.278057] ? vprintk_func+0x85/0x181 [ 723.282459] ? trace_hardirqs_off+0xb8/0x310 [ 723.286326] ? vprintk_func+0x85/0x181 [ 723.290762] __alloc_pages_slowpath+0x26e8/0x2e10 [ 723.294632] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 723.299483] ? warn_alloc+0x120/0x120 [ 723.304216] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 723.308014] ? print_usage_bug+0xc0/0xc0 [ 723.312758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.316797] ? warn_alloc+0x120/0x120 [ 723.322322] print_other_cpu_stall.cold.66+0x7dd/0x8bb [ 723.326098] ? warn_alloc+0x120/0x120 [ 723.331360] ? print_usage_bug+0xc0/0xc0 [ 723.335143] ? print_usage_bug+0xc0/0xc0 [ 723.339193] ? rcu_qs+0x110/0x110 [ 723.343238] ? kvm_clock_read+0x18/0x30 [ 723.346685] ? zap_class+0x640/0x640 [ 723.350628] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 723.354323] ? print_usage_bug+0xc0/0xc0 [ 723.359320] ? print_usage_bug+0xc0/0xc0 [ 723.363364] ? kasan_check_read+0x11/0x20 [ 723.367407] ? __lock_acquire+0x62f/0x4c20 [ 723.371538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.375759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.381288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.386835] ? should_fail+0x22d/0xd01 [ 723.392356] ? do_trace_rcu_torture_read+0x10/0x10 [ 723.396224] ? __lock_acquire+0x62f/0x4c20 [ 723.401135] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 723.405347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 723.410607] ? __lock_is_held+0xb5/0x140 [ 723.415708] ? __lock_acquire+0x62f/0x4c20 [ 723.419751] ? __rcu_read_lock+0x50/0x50 [ 723.423971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 723.428016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.433099] ? __lock_acquire+0x62f/0x4c20 [ 723.438623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.442839] ? should_fail+0x22d/0xd01 [ 723.448363] ? check_preemption_disabled+0x48/0x280 [ 723.452240] ? mark_held_locks+0x130/0x130 [ 723.457240] rcu_check_callbacks+0xfd7/0x13f0 [ 723.461462] ? mark_held_locks+0x130/0x130 [ 723.465940] ? rcutree_dead_cpu+0x10/0x10 [ 723.470156] ? mark_held_locks+0xc7/0x130 [ 723.474306] ? lock_downgrade+0x900/0x900 [ 723.478445] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 723.482573] ? lock_release+0x940/0xa00 [ 723.487579] ? zap_class+0x640/0x640 [ 723.491544] ? zap_class+0x640/0x640 [ 723.495238] ? print_usage_bug+0xc0/0xc0 [ 723.498941] ? mark_held_locks+0x130/0x130 [ 723.503010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.507229] ? zap_class+0x640/0x640 [ 723.512748] ? check_preemption_disabled+0x48/0x280 [ 723.516450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.521460] ? __lock_is_held+0xb5/0x140 [ 723.527043] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 723.531025] __alloc_pages_nodemask+0xa80/0xde0 [ 723.535601] ? kvm_set_tsc_khz+0x540/0x540 [ 723.540263] ? zap_class+0x640/0x640 [ 723.544478] ? warn_alloc.cold.116+0xd1/0x1bd [ 723.548224] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 723.552719] ? find_held_lock+0x36/0x1c0 [ 723.557729] ? find_held_lock+0x36/0x1c0 [ 723.561773] ? zap_class+0x640/0x640 [ 723.565823] ? ____cache_alloc_node+0x1c7/0x1e0 [ 723.569951] ? timekeeping_advance+0x3cc/0xc00 [ 723.574600] ? lock_downgrade+0x900/0x900 [ 723.579183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.583314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.588832] ? check_preemption_disabled+0x48/0x280 [ 723.594350] cache_grow_begin+0xa5/0x8c0 [ 723.599385] ? trace_hardirqs_off+0xb8/0x310 [ 723.603421] ? do_raw_spin_unlock+0xa7/0x330 [ 723.607825] ? __lock_is_held+0xb5/0x140 [ 723.612223] fallback_alloc+0x204/0x2e0 [ 723.616264] ? trace_hardirqs_on+0x310/0x310 [ 723.620224] ____cache_alloc_node+0x1c7/0x1e0 [ 723.624620] ? check_preemption_disabled+0x48/0x280 [ 723.629096] kmem_cache_alloc_node+0xe3/0x730 [ 723.634104] ? raise_softirq+0x199/0x420 [ 723.638580] ? ipv6_get_ifaddr+0x42e/0x620 [ 723.642621] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 723.646844] __alloc_skb+0x119/0x770 [ 723.651491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.655197] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 723.660721] ? check_preemption_disabled+0x48/0x280 [ 723.665982] ? netdev_alloc_frag+0x1f0/0x1f0 [ 723.670981] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 723.675373] ? lock_downgrade+0x900/0x900 [ 723.680895] ? hrtimer_run_queues+0x9a/0x400 [ 723.685027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.689428] ? run_local_timers+0x19b/0x230 [ 723.694956] ? refcount_sub_and_test_checked+0x203/0x310 [ 723.699262] ? timer_clear_idle+0x90/0x90 [ 723.704704] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 723.708829] ? debug_smp_processor_id+0x1c/0x20 [ 723.714279] ? addrconf_rs_timer+0x690/0x690 [ 723.718934] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 723.723327] ndisc_alloc_skb+0x144/0x340 [ 723.729279] ? account_process_tick+0x282/0x350 [ 723.733319] ndisc_send_rs+0x331/0x6e0 [ 723.737971] update_process_times+0x2d/0x70 [ 723.741845] addrconf_rs_timer+0x314/0x690 [ 723.746151] tick_sched_handle+0x9f/0x180 [ 723.750365] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.754499] tick_sched_timer+0x45/0x130 [ 723.758726] call_timer_fn+0x272/0x920 [ 723.762768] __hrtimer_run_queues+0x41c/0x10d0 [ 723.766640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.771217] ? tick_sched_do_timer+0x1a0/0x1a0 [ 723.775423] ? process_timeout+0x40/0x40 [ 723.779996] ? hrtimer_start_range_ns+0xe00/0xe00 [ 723.784042] ? __run_timers+0x7da/0xc70 [ 723.788874] ? pvclock_read_flags+0x160/0x160 [ 723.792824] ? _raw_spin_unlock_irq+0x27/0x80 [ 723.797304] ? trace_hardirqs_on+0x310/0x310 [ 723.801780] ? _raw_spin_unlock_irq+0x27/0x80 [ 723.806170] ? zap_class+0x640/0x640 [ 723.810651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.814349] ? kvm_clock_read+0x18/0x30 [ 723.818567] ? lockdep_hardirqs_on+0x296/0x5b0 [ 723.822529] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 723.827096] ? trace_hardirqs_on+0xbd/0x310 [ 723.832100] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 723.836406] ? kasan_check_read+0x11/0x20 [ 723.841759] ? do_timer+0x50/0x50 [ 723.845889] ? __run_timers+0x7da/0xc70 [ 723.849324] ? rwlock_bug.part.2+0x90/0x90 [ 723.853280] ? trace_hardirqs_off_caller+0x310/0x310 [ 723.857502] ? trace_hardirqs_on+0x310/0x310 [ 723.862616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 723.866999] ? rcu_softirq_qs+0x20/0x20 [ 723.871217] __run_timers+0x7e5/0xc70 [ 723.875231] hrtimer_interrupt+0x313/0x780 [ 723.879013] ? timer_fixup_init+0x70/0x70 [ 723.883244] smp_apic_timer_interrupt+0x1a1/0x760 [ 723.887366] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 723.892190] ? smp_call_function_single_interrupt+0x650/0x650 [ 723.897186] ? zap_class+0x640/0x640 [ 723.903069] ? interrupt_entry+0xb5/0xc0 [ 723.906779] ? enqueue_hrtimer+0x1a5/0x560 [ 723.910824] ? trace_hardirqs_off_caller+0xbb/0x310 [ 723.915043] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 723.920047] ? ____cache_alloc_node+0x1c7/0x1e0 [ 723.925225] ? find_held_lock+0x36/0x1c0 [ 723.929881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.933926] ? zap_class+0x640/0x640 [ 723.938747] ? trace_hardirqs_on_caller+0x310/0x310 [ 723.942493] ? pvclock_read_flags+0x160/0x160 [ 723.947502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.951977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.956809] apic_timer_interrupt+0xf/0x20 [ 723.962330] ? check_preemption_disabled+0x48/0x280 [ 723.966549] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 723.971554] ? __lock_is_held+0xb5/0x140 [ 723.976893] Code: 3f 7e 0f 85 32 ff ff ff e8 e5 1c 3e ff e9 28 ff ff ff e8 4c 52 c3 ff 48 83 3d 64 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 b7 [ 723.980944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.999829] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 724.005352] ? check_preemption_disabled+0x48/0x280 [ 724.013032] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10038477983 [ 724.018051] run_timer_softirq+0x52/0xb0 [ 724.025303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 724.029352] ? rcu_read_lock_sched_held+0x14f/0x180 [ 724.036599] RBP: ffff8801daf074c0 R08: ffff8801c23bcc18 R09: 0000000000000002 [ 724.041606] __do_softirq+0x308/0xb7e [ 724.048854] R10: 0000000000000000 R11: ffff8801c23bc300 R12: ffff8801d9beec00 [ 724.052645] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 724.059896] R13: ffff8801d9beec00 R14: 0000000000000000 R15: 0000000000000286 [ 724.064379] ? lock_downgrade+0x900/0x900 [ 724.071634] ? apic_timer_interrupt+0xa/0x20 [ 724.075766] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 724.080178] ? ipv6_get_ifaddr+0x42e/0x620 [ 724.085254] ? pvclock_read_flags+0x160/0x160 [ 724.089482] __alloc_skb+0x119/0x770 [ 724.093959] ? lapic_next_event+0x5a/0x90 [ 724.097651] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 724.101780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.107562] ? netdev_alloc_frag+0x1f0/0x1f0 [ 724.113087] ? kvm_clock_read+0x18/0x30 [ 724.117476] ? lock_downgrade+0x900/0x900 [ 724.121430] ? kvm_sched_clock_read+0x9/0x20 [ 724.125599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.129989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.135510] ? refcount_sub_and_test_checked+0x203/0x310 [ 724.141033] ? check_preemption_disabled+0x48/0x280 [ 724.146470] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 724.151489] irq_exit+0x17f/0x1c0 [ 724.156935] ? addrconf_rs_timer+0x690/0x690 [ 724.160384] smp_apic_timer_interrupt+0x1cb/0x760 [ 724.164781] ndisc_alloc_skb+0x144/0x340 [ 724.169595] ? smp_reschedule_interrupt+0x109/0x650 [ 724.173638] ndisc_send_rs+0x331/0x6e0 [ 724.178637] ? smp_call_function_single_interrupt+0x650/0x650 [ 724.182509] addrconf_rs_timer+0x314/0x690 [ 724.188371] ? interrupt_entry+0xb5/0xc0 [ 724.192604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 724.196646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 724.200870] call_timer_fn+0x272/0x920 [ 724.205867] ? trace_hardirqs_off_caller+0xbb/0x310 [ 724.209756] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 724.214755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.218970] ? process_timeout+0x40/0x40 [ 724.223811] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.227861] ? mark_held_locks+0xc7/0x130 [ 724.232854] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.237000] ? _raw_spin_unlock_irq+0x27/0x80 [ 724.242014] ? task_prio+0x50/0x50 [ 724.246489] ? _raw_spin_unlock_irq+0x27/0x80 [ 724.250011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.254508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 724.260030] ? check_preemption_disabled+0x48/0x280 [ 724.264258] ? lockdep_hardirqs_on+0x296/0x5b0 [ 724.269254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.273818] ? trace_hardirqs_on+0xbd/0x310 [ 724.278645] apic_timer_interrupt+0xf/0x20 [ 724.282948] ? kasan_check_read+0x11/0x20 [ 724.287154] [ 724.291288] ? __run_timers+0x7da/0xc70 [ 724.293512] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 724.297492] ? trace_hardirqs_off_caller+0x310/0x310 [ 724.302448] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 724.307534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 724.326414] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 724.330649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 724.338336] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 724.342576] __run_timers+0x7e5/0xc70 [ 724.349832] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 724.353629] ? timer_fixup_init+0x70/0x70 [ 724.360877] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 724.365011] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 724.372263] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 724.377264] ? zap_class+0x640/0x640 [ 724.384518] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 724.388229] ? print_usage_bug+0xc0/0xc0 [ 724.395510] skb_clone+0x1bb/0x500 [ 724.399544] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 724.403068] ? finish_task_switch+0x1b4/0x910 [ 724.408239] ? find_held_lock+0x36/0x1c0 [ 724.412716] ? skb_split+0x11e0/0x11e0 [ 724.416756] ? zap_class+0x640/0x640 [ 724.420629] ? preempt_notifier_register+0x200/0x200 [ 724.424329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.429414] ? __switch_to_asm+0x34/0x70 [ 724.434942] ? check_preemption_disabled+0x48/0x280 [ 724.438981] ? __switch_to_asm+0x34/0x70 [ 724.443990] ? __lock_is_held+0xb5/0x140 [ 724.448030] ? __switch_to_asm+0x40/0x70 [ 724.452074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.456124] ? __switch_to_asm+0x34/0x70 [ 724.461677] ? check_preemption_disabled+0x48/0x280 [ 724.465722] ? __switch_to_asm+0x40/0x70 [ 724.470722] run_timer_softirq+0x52/0xb0 [ 724.474768] ? __switch_to_asm+0x34/0x70 [ 724.478818] ? rcu_read_lock_sched_held+0x14f/0x180 [ 724.482869] ? __switch_to_asm+0x40/0x70 [ 724.487903] __do_softirq+0x308/0xb7e [ 724.491947] ? __switch_to_asm+0x34/0x70 [ 724.495729] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 724.499769] ? __switch_to_asm+0x34/0x70 [ 724.504250] ? lock_downgrade+0x900/0x900 [ 724.508292] ? __switch_to_asm+0x40/0x70 [ 724.512422] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 724.516484] ? __switch_to_asm+0x34/0x70 [ 724.521580] ? pvclock_read_flags+0x160/0x160 [ 724.525620] bpf_clone_redirect+0xb9/0x490 [ 724.530099] ? lapic_next_event+0x5a/0x90 [ 724.534311] ? __schedule+0x8d7/0x21d0 [ 724.538446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.542319] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 724.547840] ? kvm_clock_read+0x18/0x30 [ 724.552849] ? __sched_text_start+0x8/0x8 [ 724.556817] ? kvm_sched_clock_read+0x9/0x20 [ 724.560946] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 724.565374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.569939] ? retint_kernel+0x2d/0x2d [ 724.575469] ? check_preemption_disabled+0x48/0x280 [ 724.579342] ? trace_hardirqs_on_caller+0xc0/0x310 [ 724.584344] irq_exit+0x17f/0x1c0 [ 724.589253] ? find_held_lock+0x36/0x1c0 [ 724.592694] smp_apic_timer_interrupt+0x1cb/0x760 [ 724.596744] ? lock_acquire+0x1ed/0x520 [ 724.601566] ? smp_reschedule_interrupt+0x109/0x650 [ 724.605521] ? bpf_test_run+0x3cb/0x780 [ 724.610538] ? smp_call_function_single_interrupt+0x650/0x650 [ 724.614517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.620381] ? interrupt_entry+0xb5/0xc0 [ 724.625922] ? check_preemption_disabled+0x48/0x280 [ 724.629965] ? trace_hardirqs_off_caller+0xbb/0x310 [ 724.634962] ? kasan_check_read+0x11/0x20 [ 724.640036] ? trace_hardirqs_off_caller+0xbb/0x310 [ 724.644167] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 724.649168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.654423] ? rcu_softirq_qs+0x20/0x20 [ 724.659257] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.663215] ? preempt_schedule+0x4d/0x60 [ 724.668211] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.672338] ? ___preempt_schedule+0x16/0x18 [ 724.677379] ? task_prio+0x50/0x50 [ 724.681771] ? bpf_test_run+0x25d/0x780 [ 724.685292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.689255] ? netlink_diag_dump+0x2a0/0x2a0 [ 724.694770] ? check_preemption_disabled+0x48/0x280 [ 724.699159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.704157] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.709678] ? bpf_test_init.isra.10+0x70/0x100 [ 724.714508] apic_timer_interrupt+0xf/0x20 [ 724.719153] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 724.723359] [ 724.728126] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 724.730341] RIP: 0010:dump_stack+0x20e/0x39d [ 724.735179] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 724.739569] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 724.745088] ? fput+0x130/0x1a0 [ 724.763983] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 724.767246] ? __bpf_prog_get+0x9b/0x290 [ 724.774935] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 724.778980] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 724.786228] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 724.791070] ? bpf_prog_test_run+0x130/0x1a0 [ 724.798322] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 724.802720] ? __x64_sys_bpf+0x3d8/0x520 [ 724.809972] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 724.814036] ? bpf_prog_get+0x20/0x20 [ 724.821291] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 724.825089] ? do_syscall_64+0x1b9/0x820 [ 724.832341] ? dump_stack+0x205/0x39d [ 724.836379] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 724.840170] ? dump_stack_print_info.cold.1+0x20/0x20 [ 724.845508] ? syscall_return_slowpath+0x5e0/0x5e0 [ 724.850681] ? mark_held_locks+0x130/0x130 [ 724.855590] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.859807] ? mark_held_locks+0x130/0x130 [ 724.864650] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.868866] dump_header+0x27b/0xf72 [ 724.873868] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 724.877578] ? pagefault_out_of_memory+0x197/0x197 [ 724.882574] ? prepare_exit_to_usermode+0x291/0x3b0 [ 724.887492] ? __lock_acquire+0x62f/0x4c20 [ 724.892493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.896712] ? percpu_ref_get_many+0x240/0x240 [ 724.896730] ? print_usage_bug+0xc0/0xc0 [ 724.901558] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 724.906122] ? zap_class+0x640/0x640 [ 724.910173] warn_alloc_show_mem: 1 callbacks suppressed [ 724.910178] Mem-Info: [ 724.915509] ? print_usage_bug+0xc0/0xc0 [ 724.919220] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 724.919220] active_file:14 inactive_file:14 isolated_file:0 [ 724.919220] unevictable:0 dirty:0 writeback:0 unstable:0 [ 724.919220] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 724.919220] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 724.919220] free:13772 free_pcp:380 free_cma:0 [ 724.924555] ? print_usage_bug+0xc0/0xc0 [ 724.926962] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 724.931018] ? zap_class+0x640/0x640 [ 724.964133] 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 [ 724.968206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.996206] lowmem_reserve[]: 0 2818 6321 6321 [ 724.999933] ? find_held_lock+0x36/0x1c0 [ 725.026014] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 725.031551] ? mark_held_locks+0xc7/0x130 [ 725.036099] lowmem_reserve[]: 0 0 3503 3503 [ 725.040178] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 725.067646] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 725.071786] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 725.076081] lowmem_reserve[]: 0 0 0 0 [ 725.081176] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 725.110298] 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 [ 725.115401] ? trace_hardirqs_on+0xbd/0x310 [ 725.119172] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 725.123752] ? kasan_check_read+0x11/0x20 [ 725.137250] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 725.141565] ? ___ratelimit+0x3b4/0x672 [ 725.156800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 725.160940] ? trace_hardirqs_off_caller+0x310/0x310 [ 725.175316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 725.179285] ? trace_hardirqs_on+0x310/0x310 [ 725.188092] 12557 total pagecache pages [ 725.193182] ? lock_downgrade+0x900/0x900 [ 725.201732] 0 pages in swap cache [ 725.206149] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 725.210115] Swap cache stats: add 0, delete 0, find 0/0 [ 725.214252] ? ___ratelimit+0x3b9/0x672 [ 725.217702] Free swap = 0kB [ 725.222808] ? idr_get_free+0xf70/0xf70 [ 725.228149] Total swap = 0kB [ 725.232117] ? find_held_lock+0x36/0x1c0 [ 725.235111] 1965979 pages RAM [ 725.239079] oom_kill_process.cold.27+0x10/0x903 [ 725.242110] 0 pages HighMem/MovableOnly [ 725.246162] ? zap_class+0x640/0x640 [ 725.249264] 342853 pages reserved [ 725.254012] ? check_preemption_disabled+0x48/0x280 [ 725.257956] 0 pages cma reserved [ 725.261662] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.265154] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 725.270095] ? kasan_check_read+0x11/0x20 [ 725.270110] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.270130] ? oom_evaluate_task+0x540/0x540 [ 725.273582] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 725.278396] ? find_held_lock+0x36/0x1c0 [ 725.284862] syz-executor1 cpuset=syz1 mems_allowed=0 [ 725.289011] ? out_of_memory+0x974/0x1430 [ 725.294295] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 725.298687] ? lock_downgrade+0x900/0x900 [ 725.309156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.313213] ? check_preemption_disabled+0x48/0x280 [ 725.318281] Call Trace: [ 725.322457] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.329706] [ 725.333850] ? kasan_check_read+0x11/0x20 [ 725.343192] dump_stack+0x244/0x39d [ 725.348208] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.350774] ? dump_stack_print_info.cold.1+0x20/0x20 [ 725.355684] ? rcu_softirq_qs+0x20/0x20 [ 725.357837] warn_alloc.cold.116+0xb7/0x1bd [ 725.361965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.365576] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 725.370833] ? oom_evaluate_task+0x302/0x540 [ 725.376006] ? lock_downgrade+0x900/0x900 [ 725.379961] out_of_memory+0xa84/0x1430 [ 725.384271] ? trace_hardirqs_off+0xb8/0x310 [ 725.389806] ? oom_killer_disable+0x3a0/0x3a0 [ 725.394634] ? trace_hardirqs_off+0xb8/0x310 [ 725.399035] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 725.403217] __alloc_pages_slowpath+0x26e8/0x2e10 [ 725.407177] ? __ww_mutex_check_waiters+0x160/0x160 [ 725.411589] ? warn_alloc+0x120/0x120 [ 725.416056] __alloc_pages_slowpath+0x2354/0x2e10 [ 725.420459] ? print_usage_bug+0xc0/0xc0 [ 725.425413] ? warn_alloc+0x120/0x120 [ 725.430231] ? warn_alloc+0x120/0x120 [ 725.435231] ? mark_held_locks+0x130/0x130 [ 725.439013] ? warn_alloc+0x120/0x120 [ 725.443854] ? find_get_entry+0xaae/0x1120 [ 725.447895] ? print_usage_bug+0xc0/0xc0 [ 725.451683] ? filemap_map_pages+0x1a20/0x1a20 [ 725.455468] ? print_usage_bug+0xc0/0xc0 [ 725.459689] ? zap_class+0x640/0x640 [ 725.463477] ? __lock_acquire+0x62f/0x4c20 [ 725.467715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.471762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.476325] ? check_preemption_disabled+0x48/0x280 [ 725.480378] ? should_fail+0x22d/0xd01 [ 725.484073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.488291] ? __lock_acquire+0x62f/0x4c20 [ 725.493812] ? should_fail+0x22d/0xd01 [ 725.499338] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 725.504336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 725.508214] ? __lock_acquire+0x62f/0x4c20 [ 725.513734] ? zap_class+0x640/0x640 [ 725.517953] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 725.521843] ? __lock_is_held+0xb5/0x140 [ 725.526910] ? __lock_acquire+0x62f/0x4c20 [ 725.532001] ? mark_held_locks+0x130/0x130 [ 725.536224] ? should_fail+0x22d/0xd01 [ 725.539925] ? lock_release+0xa00/0xa00 [ 725.545020] ? mark_held_locks+0x130/0x130 [ 725.549064] ? perf_trace_sched_process_exec+0x860/0x860 [ 725.553282] ? mark_held_locks+0x130/0x130 [ 725.557514] ? xa_load+0x2ba/0x460 [ 725.561380] ? zap_class+0x640/0x640 [ 725.565340] ? lock_downgrade+0x900/0x900 [ 725.569560] ? zap_class+0x640/0x640 [ 725.574995] ? __might_sleep+0x95/0x190 [ 725.579216] ? print_usage_bug+0xc0/0xc0 [ 725.582746] __alloc_pages_nodemask+0xa80/0xde0 [ 725.586452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.590583] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 725.594285] ? check_preemption_disabled+0x48/0x280 [ 725.598237] ? __page_cache_alloc+0x191/0x5c0 [ 725.602287] ? __lock_is_held+0xb5/0x140 [ 725.606938] ? xa_load+0x2e1/0x460 [ 725.612468] __alloc_pages_nodemask+0xa80/0xde0 [ 725.617477] ? xa_clear_mark+0x40/0x40 [ 725.622489] ? zap_class+0x640/0x640 [ 725.626988] ? zap_class+0x640/0x640 [ 725.631035] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 725.634579] ? zap_class+0x640/0x640 [ 725.639246] ? find_held_lock+0x36/0x1c0 [ 725.643108] ? zap_class+0x640/0x640 [ 725.646812] ? ____cache_alloc_node+0x1c7/0x1e0 [ 725.650504] ? __do_page_cache_readahead+0x663/0x810 [ 725.655505] ? lock_downgrade+0x900/0x900 [ 725.659209] ? find_held_lock+0x36/0x1c0 [ 725.663253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.666950] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 725.671606] cache_grow_begin+0xa5/0x8c0 [ 725.676693] alloc_pages_current+0x173/0x350 [ 725.680825] ? do_raw_spin_unlock+0xa7/0x330 [ 725.684880] __page_cache_alloc+0x38c/0x5c0 [ 725.690394] fallback_alloc+0x204/0x2e0 [ 725.695910] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.699969] ____cache_alloc_node+0x1c7/0x1e0 [ 725.704358] ? kasan_check_read+0x11/0x20 [ 725.708749] kmem_cache_alloc_node+0xe3/0x730 [ 725.713053] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.717013] ? ipv6_get_ifaddr+0x42e/0x620 [ 725.721927] ? generic_perform_write+0x6a0/0x6a0 [ 725.726428] __alloc_skb+0x119/0x770 [ 725.730565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.735038] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.740300] ? check_preemption_disabled+0x48/0x280 [ 725.744517] ? netdev_alloc_frag+0x1f0/0x1f0 [ 725.749261] filemap_fault+0x1595/0x25f0 [ 725.752959] ? lock_downgrade+0x900/0x900 [ 725.758513] ? __lock_page_or_retry+0xa00/0xa00 [ 725.763768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.768764] ? mark_held_locks+0x130/0x130 [ 725.773155] ? refcount_sub_and_test_checked+0x203/0x310 [ 725.777224] ? filemap_map_pages+0xd6b/0x1a20 [ 725.781345] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 725.785995] ? lock_downgrade+0x900/0x900 [ 725.791514] ? addrconf_rs_timer+0x690/0x690 [ 725.795734] ? check_preemption_disabled+0x48/0x280 [ 725.801224] ndisc_alloc_skb+0x144/0x340 [ 725.805696] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.811150] ndisc_send_rs+0x331/0x6e0 [ 725.815287] ? kasan_check_read+0x11/0x20 [ 725.819682] addrconf_rs_timer+0x314/0x690 [ 725.824681] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.828729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 725.833639] ? rcu_softirq_qs+0x20/0x20 [ 725.837534] call_timer_fn+0x272/0x920 [ 725.841685] ? filemap_map_pages+0xd92/0x1a20 [ 725.845892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 725.851164] ? find_get_entries_tag+0x1400/0x1400 [ 725.855386] ? process_timeout+0x40/0x40 [ 725.859344] ? debug_object_destroy+0x2b0/0x2b0 [ 725.863216] ? __run_timers+0x7da/0xc70 [ 725.867696] ? lock_pi_update_atomic+0x150/0x150 [ 725.871917] ? _raw_spin_unlock_irq+0x27/0x80 [ 725.876748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.880788] ? _raw_spin_unlock_irq+0x27/0x80 [ 725.885454] ? lock_acquire+0x1ed/0x520 [ 725.889404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 725.894158] ? ext4_filemap_fault+0x7a/0xad [ 725.898645] ? lockdep_hardirqs_on+0x296/0x5b0 [ 725.904169] ? lock_release+0xa00/0xa00 [ 725.908649] ? trace_hardirqs_on+0xbd/0x310 [ 725.912609] ? perf_trace_sched_process_exec+0x860/0x860 [ 725.916829] ? kasan_check_read+0x11/0x20 [ 725.921131] ? print_usage_bug+0xc0/0xc0 [ 725.925693] ? __run_timers+0x7da/0xc70 [ 725.929671] ? print_usage_bug+0xc0/0xc0 [ 725.933979] ? trace_hardirqs_off_caller+0x310/0x310 [ 725.939418] ? down_read+0x8d/0x120 [ 725.943548] ? prandom_seed_full_state+0x3b0/0x3b0 [ 725.947586] ? ext4_filemap_fault+0x7a/0xad [ 725.951547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 725.955588] ? __down_interruptible+0x700/0x700 [ 725.960673] __run_timers+0x7e5/0xc70 [ 725.964291] ext4_filemap_fault+0x82/0xad [ 725.969203] ? timer_fixup_init+0x70/0x70 [ 725.973507] __do_fault+0x100/0x6b0 [ 725.977731] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 725.982381] ? find_held_lock+0x36/0x1c0 [ 725.986163] ? zap_class+0x640/0x640 [ 725.990293] ? pmd_devmap_trans_unstable+0x220/0x220 [ 725.994419] ? enqueue_hrtimer+0x1a5/0x560 [ 725.998026] ? mark_held_locks+0x130/0x130 [ 726.003023] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 726.007066] ? mark_held_locks+0x130/0x130 [ 726.010767] ? find_held_lock+0x36/0x1c0 [ 726.015849] ? debug_smp_processor_id+0x1c/0x20 [ 726.020063] ? zap_class+0x640/0x640 [ 726.024282] ? perf_trace_lock+0x14d/0x7a0 [ 726.029473] ? pvclock_read_flags+0x160/0x160 [ 726.033737] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 726.037796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.042458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.046155] ? check_preemption_disabled+0x48/0x280 [ 726.050377] __handle_mm_fault+0x3ea0/0x5be0 [ 726.054876] ? __lock_is_held+0xb5/0x140 [ 726.059450] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 726.064966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.070487] ? lock_is_held_type+0x210/0x210 [ 726.075486] ? check_preemption_disabled+0x48/0x280 [ 726.079878] ? preempt_notifier_register+0x200/0x200 [ 726.083922] run_timer_softirq+0x52/0xb0 [ 726.088747] ? __switch_to_asm+0x34/0x70 [ 726.094273] ? rcu_read_lock_sched_held+0x14f/0x180 [ 726.098666] ? __switch_to_asm+0x34/0x70 [ 726.103666] __do_softirq+0x308/0xb7e [ 726.109228] ? zap_class+0x640/0x640 [ 726.113265] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 726.117307] ? zap_class+0x640/0x640 [ 726.122308] ? lock_downgrade+0x900/0x900 [ 726.126348] ? __x64_sys_futex+0x53e/0x6a0 [ 726.130137] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 726.133852] ? find_held_lock+0x36/0x1c0 [ 726.138363] ? pvclock_read_flags+0x160/0x160 [ 726.142075] ? handle_mm_fault+0x42a/0xc70 [ 726.146201] ? lapic_next_event+0x5a/0x90 [ 726.150421] ? lock_downgrade+0x900/0x900 [ 726.155516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.159565] ? check_preemption_disabled+0x48/0x280 [ 726.164058] ? kvm_clock_read+0x18/0x30 [ 726.168271] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 726.172404] ? kvm_sched_clock_read+0x9/0x20 [ 726.176535] ? kasan_check_read+0x11/0x20 [ 726.182072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.187073] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 726.191037] ? check_preemption_disabled+0x48/0x280 [ 726.195963] ? rcu_softirq_qs+0x20/0x20 [ 726.200365] irq_exit+0x17f/0x1c0 [ 726.204510] ? trace_hardirqs_off_caller+0x310/0x310 [ 726.210030] smp_apic_timer_interrupt+0x1cb/0x760 [ 726.215292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.220286] ? smp_reschedule_interrupt+0x109/0x650 [ 726.224244] ? check_preemption_disabled+0x48/0x280 [ 726.227683] ? smp_call_function_single_interrupt+0x650/0x650 [ 726.232785] handle_mm_fault+0x54f/0xc70 [ 726.237606] ? interrupt_entry+0xb5/0xc0 [ 726.243126] ? __handle_mm_fault+0x5be0/0x5be0 [ 726.248130] ? trace_hardirqs_off_caller+0xbb/0x310 [ 726.253126] ? find_vma+0x34/0x190 [ 726.258999] ? trace_hardirqs_off_caller+0xbb/0x310 [ 726.263047] __do_page_fault+0x5e8/0xe60 [ 726.267091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.271651] ? trace_hardirqs_off+0xb8/0x310 [ 726.276651] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.280194] do_page_fault+0xf2/0x7e0 [ 726.285200] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.289249] ? vmalloc_sync_all+0x30/0x30 [ 726.294080] ? task_prio+0x50/0x50 [ 726.298479] ? error_entry+0x70/0xd0 [ 726.303484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.307269] ? trace_hardirqs_off_caller+0xbb/0x310 [ 726.312271] ? check_preemption_disabled+0x48/0x280 [ 726.316427] ? trace_hardirqs_on_caller+0xc0/0x310 [ 726.319957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.323652] ? syscall_return_slowpath+0x5e0/0x5e0 [ 726.329180] apic_timer_interrupt+0xf/0x20 [ 726.334178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.339171] [ 726.344096] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.348919] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 726.353827] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 726.358041] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 726.362867] ? prepare_exit_to_usermode+0x291/0x3b0 [ 726.365080] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 726.370086] ? page_fault+0x8/0x30 [ 726.374998] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 726.380442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.399370] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 726.399383] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 726.404393] ? page_fault+0x8/0x30 [ 726.412079] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 726.415605] page_fault+0x1e/0x30 [ 726.422860] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 726.427690] RIP: 0033:0x40f9c0 [ 726.434988] skb_clone+0x1bb/0x500 [ 726.442223] Code: Bad RIP value. [ 726.445747] ? finish_task_switch+0x1b4/0x910 [ 726.452993] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 726.456445] ? skb_split+0x11e0/0x11e0 [ 726.463699] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 726.466886] ? preempt_notifier_register+0x200/0x200 [ 726.470403] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 726.473758] ? __switch_to_asm+0x34/0x70 [ 726.478230] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 726.483579] ? __switch_to_asm+0x34/0x70 [ 726.487453] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 726.494723] ? __switch_to_asm+0x40/0x70 [ 726.499808] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 726.507079] ? __switch_to_asm+0x34/0x70 [ 726.511145] rcu: rcu_preempt kthread starved for 10427 jiffies! g93053 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 726.518381] ? __switch_to_asm+0x40/0x70 [ 726.522418] rcu: RCU grace-period kthread stack dump: [ 726.529710] ? __switch_to_asm+0x34/0x70 [ 726.533743] rcu_preempt R running task 22392 10 2 0x80000000 [ 726.541003] ? __switch_to_asm+0x40/0x70 [ 726.545042] Call Trace: [ 726.555519] ? __switch_to_asm+0x34/0x70 [ 726.559574] __schedule+0x8cf/0x21d0 [ 726.564761] ? __switch_to_asm+0x34/0x70 [ 726.568831] ? __sched_text_start+0x8/0x8 [ 726.575993] ? __switch_to_asm+0x40/0x70 [ 726.580060] ? add_timer_on+0xa20/0xa20 [ 726.582626] ? __switch_to_asm+0x34/0x70 [ 726.586671] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 726.590373] bpf_clone_redirect+0xb9/0x490 [ 726.594415] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 726.598559] ? __schedule+0x8d7/0x21d0 [ 726.602605] ? trace_hardirqs_on+0xbd/0x310 [ 726.606563] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 726.610605] ? kasan_check_read+0x11/0x20 [ 726.615689] ? __sched_text_start+0x8/0x8 [ 726.619913] ? prepare_to_swait_event+0x25a/0x800 [ 726.624996] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 726.628869] ? trace_hardirqs_off_caller+0x310/0x310 [ 726.633169] ? retint_kernel+0x2d/0x2d [ 726.638224] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 726.642368] ? trace_hardirqs_on_caller+0xc0/0x310 [ 726.646520] schedule+0xfe/0x460 [ 726.651342] ? find_held_lock+0x36/0x1c0 [ 726.655906] ? __schedule+0x21d0/0x21d0 [ 726.660994] ? lock_acquire+0x1ed/0x520 [ 726.664861] ? prepare_to_swait_event+0x25a/0x800 [ 726.669949] ? bpf_test_run+0x3cb/0x780 [ 726.674868] ? __init_swait_queue_head+0x150/0x150 [ 726.678220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.682264] ? __lockdep_init_map+0x105/0x590 [ 726.686224] ? check_preemption_disabled+0x48/0x280 [ 726.690184] ? lockdep_init_map+0x9/0x10 [ 726.695013] ? kasan_check_read+0x11/0x20 [ 726.698977] schedule_timeout+0x140/0x260 [ 726.703884] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 726.709403] ? usleep_range+0x1a0/0x1a0 [ 726.713882] ? rcu_softirq_qs+0x20/0x20 [ 726.718883] ? __next_timer_interrupt+0x1a0/0x1a0 [ 726.722926] ? preempt_schedule+0x4d/0x60 [ 726.727070] rcu_gp_fqs_loop+0x762/0xa80 [ 726.731203] ? ___preempt_schedule+0x16/0x18 [ 726.736475] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 726.740432] ? bpf_test_run+0x25d/0x780 [ 726.744393] ? trace_hardirqs_off_caller+0x310/0x310 [ 726.749225] ? netlink_diag_dump+0x2a0/0x2a0 [ 726.753356] ? perf_trace_sched_process_exec+0x860/0x860 [ 726.757430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.761843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.766585] ? bpf_test_init.isra.10+0x70/0x100 [ 726.770551] ? rcu_gp_init+0x90b/0x1260 [ 726.775635] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 726.780027] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 726.785470] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 726.790984] ? rcu_accelerate_cbs+0x10a/0xae0 [ 726.796506] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 726.801156] ? zap_class+0x640/0x640 [ 726.805115] ? fput+0x130/0x1a0 [ 726.809875] ? zap_class+0x640/0x640 [ 726.814614] ? __bpf_prog_get+0x9b/0x290 [ 726.819456] ? __lock_is_held+0xb5/0x140 [ 726.823932] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 726.829475] ? __lock_is_held+0xb5/0x140 [ 726.833171] ? bpf_prog_test_run+0x130/0x1a0 [ 726.836452] ? zap_class+0x640/0x640 [ 726.840147] ? __x64_sys_bpf+0x3d8/0x520 [ 726.844196] ? rcu_accelerate_cbs+0x10a/0xae0 [ 726.848239] ? bpf_prog_get+0x20/0x20 [ 726.853077] ? find_held_lock+0x36/0x1c0 [ 726.857144] ? do_syscall_64+0x1b9/0x820 [ 726.861527] ? rcu_gp_kthread+0x8cf/0xc70 [ 726.865210] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 726.865227] ? syscall_return_slowpath+0x5e0/0x5e0 [ 726.869275] ? _raw_spin_unlock_irq+0x27/0x80 [ 726.873755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.877802] ? _raw_spin_unlock_irq+0x27/0x80 [ 726.881884] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.885930] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 726.890059] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 726.895410] ? trace_hardirqs_on+0xbd/0x310 [ 726.900323] ? prepare_exit_to_usermode+0x291/0x3b0 [ 726.904816] ? kasan_check_read+0x11/0x20 [ 726.909673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.914147] ? trace_hardirqs_off_caller+0x310/0x310 [ 726.919167] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 726.923729] ? perf_trace_sched_process_exec+0x860/0x860 [ 726.928829] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 726.933047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.938161] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 726.942195] rcu_gp_kthread+0x341/0xc70 [ 726.947007] syz-executor1 cpuset=syz1 mems_allowed=0 [ 726.952120] ? rcu_gp_init+0x1260/0x1260 [ 726.957480] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 726.962917] ? mark_held_locks+0x130/0x130 [ 726.969385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 726.975026] ? __schedule+0x168a/0x21d0 [ 726.985491] Call Trace: [ 726.989479] ? _raw_spin_unlock_irq+0x27/0x80 [ 726.994555] [ 726.998611] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 727.005874] dump_stack+0x244/0x39d [ 727.010091] ? trace_hardirqs_on+0xbd/0x310 [ 727.019466] ? dump_stack_print_info.cold.1+0x20/0x20 [ 727.023422] ? kasan_check_read+0x11/0x20 [ 727.025997] warn_alloc.cold.116+0xb7/0x1bd [ 727.030476] ? __schedule+0x168a/0x21d0 [ 727.032612] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 727.037181] ? trace_hardirqs_off_caller+0x310/0x310 [ 727.040791] ? lock_downgrade+0x900/0x900 [ 727.045096] ? lock_pin_lock+0x350/0x350 [ 727.050274] ? trace_hardirqs_off+0xb8/0x310 [ 727.054406] ? _raw_spin_unlock_irq+0x60/0x80 [ 727.058712] ? trace_hardirqs_off+0xb8/0x310 [ 727.062664] ? __schedule+0x168a/0x21d0 [ 727.067492] __alloc_pages_slowpath+0x26e8/0x2e10 [ 727.072575] ? __switch_to_asm+0x40/0x70 [ 727.076736] ? warn_alloc+0x120/0x120 [ 727.080756] ? __switch_to_asm+0x40/0x70 [ 727.085165] ? print_usage_bug+0xc0/0xc0 [ 727.089664] ? show_schedstat+0x731/0xf30 [ 727.094055] ? warn_alloc+0x120/0x120 [ 727.098032] ? __sched_text_start+0x8/0x8 [ 727.102871] ? warn_alloc+0x120/0x120 [ 727.106919] ? find_held_lock+0x36/0x1c0 [ 727.110695] ? print_usage_bug+0xc0/0xc0 [ 727.114753] ? __kthread_parkme+0xce/0x1a0 [ 727.118790] ? kvm_clock_read+0x18/0x30 [ 727.122927] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 727.126726] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 727.130858] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 727.134643] ? print_usage_bug+0xc0/0xc0 [ 727.138702] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 727.142769] ? __lock_acquire+0x62f/0x4c20 [ 727.147001] ? trace_hardirqs_on+0xbd/0x310 [ 727.150961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.156066] ? kasan_check_read+0x11/0x20 [ 727.161065] ? should_fail+0x22d/0xd01 [ 727.166152] ? __kthread_parkme+0xce/0x1a0 [ 727.170195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 727.174783] ? trace_hardirqs_off_caller+0x310/0x310 [ 727.179013] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 727.183320] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 727.188849] ? __lock_acquire+0x62f/0x4c20 [ 727.192981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.196863] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 727.201094] ? __kthread_parkme+0xfb/0x1a0 [ 727.206355] ? __lock_acquire+0x62f/0x4c20 [ 727.211466] ? rcu_gp_init+0x1260/0x1260 [ 727.216551] ? should_fail+0x22d/0xd01 [ 727.221640] kthread+0x35a/0x440 [ 727.225860] ? rcu_irq_exit+0x1a2/0x390 [ 727.231414] ? kthread_stop+0x900/0x900 [ 727.236545] ? mark_held_locks+0x130/0x130 [ 727.240762] ret_from_fork+0x3a/0x50 [ 727.244983] ? mark_held_locks+0x130/0x130 [ 727.249141] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 727.252915] ? mark_held_locks+0xc7/0x130 [ 727.256358] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 727.260238] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 727.264188] syz-fuzzer cpuset=/ mems_allowed=0 [ 727.268419] ? zap_class+0x640/0x640 [ 727.310410] ? print_usage_bug+0xc0/0xc0 [ 727.314487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.320030] ? check_preemption_disabled+0x48/0x280 [ 727.325056] ? __lock_is_held+0xb5/0x140 [ 727.329124] __alloc_pages_nodemask+0xa80/0xde0 [ 727.333797] ? zap_class+0x640/0x640 [ 727.337549] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 727.342584] ? find_held_lock+0x36/0x1c0 [ 727.346663] ? ____cache_alloc_node+0x1c7/0x1e0 [ 727.351337] ? lock_downgrade+0x900/0x900 [ 727.355496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.361078] cache_grow_begin+0xa5/0x8c0 [ 727.365171] ? do_raw_spin_unlock+0xa7/0x330 [ 727.369602] fallback_alloc+0x204/0x2e0 [ 727.373585] ____cache_alloc_node+0x1c7/0x1e0 [ 727.378091] kmem_cache_alloc_node+0xe3/0x730 [ 727.382592] ? ipv6_get_ifaddr+0x42e/0x620 [ 727.386851] __alloc_skb+0x119/0x770 [ 727.390564] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 727.395947] ? netdev_alloc_frag+0x1f0/0x1f0 [ 727.400358] ? lock_downgrade+0x900/0x900 [ 727.404512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.410062] ? refcount_sub_and_test_checked+0x203/0x310 [ 727.415518] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 727.420968] ? addrconf_rs_timer+0x690/0x690 [ 727.425391] ndisc_alloc_skb+0x144/0x340 [ 727.429463] ndisc_send_rs+0x331/0x6e0 [ 727.433356] addrconf_rs_timer+0x314/0x690 [ 727.437617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 727.441861] call_timer_fn+0x272/0x920 [ 727.445750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 727.450004] ? process_timeout+0x40/0x40 [ 727.454075] ? __run_timers+0x7da/0xc70 [ 727.458067] ? _raw_spin_unlock_irq+0x27/0x80 [ 727.462575] ? _raw_spin_unlock_irq+0x27/0x80 [ 727.467067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 727.471302] ? lockdep_hardirqs_on+0x296/0x5b0 [ 727.475890] ? trace_hardirqs_on+0xbd/0x310 [ 727.480210] ? kasan_check_read+0x11/0x20 [ 727.484357] ? __run_timers+0x7da/0xc70 [ 727.488332] ? trace_hardirqs_off_caller+0x310/0x310 [ 727.493445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 727.497689] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 727.501938] __run_timers+0x7e5/0xc70 [ 727.505764] ? timer_fixup_init+0x70/0x70 [ 727.509925] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 727.514947] ? zap_class+0x640/0x640 [ 727.518668] ? enqueue_hrtimer+0x1a5/0x560 [ 727.522909] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 727.528106] ? find_held_lock+0x36/0x1c0 [ 727.532192] ? zap_class+0x640/0x640 [ 727.535917] ? pvclock_read_flags+0x160/0x160 [ 727.540423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.545972] ? check_preemption_disabled+0x48/0x280 [ 727.550998] ? __lock_is_held+0xb5/0x140 [ 727.555057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.560622] ? check_preemption_disabled+0x48/0x280 [ 727.565649] run_timer_softirq+0x52/0xb0 [ 727.569721] ? rcu_read_lock_sched_held+0x14f/0x180 [ 727.574744] __do_softirq+0x308/0xb7e [ 727.578546] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 727.583042] ? lock_downgrade+0x900/0x900 [ 727.587198] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 727.592314] ? pvclock_read_flags+0x160/0x160 [ 727.596809] ? lapic_next_event+0x5a/0x90 [ 727.600987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.606535] ? kvm_clock_read+0x18/0x30 [ 727.610511] ? kvm_sched_clock_read+0x9/0x20 [ 727.614919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.620462] ? check_preemption_disabled+0x48/0x280 [ 727.625517] irq_exit+0x17f/0x1c0 [ 727.628970] smp_apic_timer_interrupt+0x1cb/0x760 [ 727.633807] ? smp_reschedule_interrupt+0x109/0x650 [ 727.638823] ? smp_call_function_single_interrupt+0x650/0x650 [ 727.644712] ? interrupt_entry+0xb5/0xc0 [ 727.648778] ? trace_hardirqs_off_caller+0xbb/0x310 [ 727.653795] ? trace_hardirqs_off_caller+0xbb/0x310 [ 727.658831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.663674] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.668704] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.673729] ? task_prio+0x50/0x50 [ 727.677300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.682856] ? check_preemption_disabled+0x48/0x280 [ 727.687882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.692753] apic_timer_interrupt+0xf/0x20 [ 727.696980] [ 727.699229] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 727.704161] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 727.723059] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 727.730766] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 727.738032] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 727.745299] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 727.752565] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 727.759834] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 727.767151] skb_clone+0x1bb/0x500 [ 727.770703] ? finish_task_switch+0x1b4/0x910 [ 727.775199] ? skb_split+0x11e0/0x11e0 [ 727.779091] ? preempt_notifier_register+0x200/0x200 [ 727.784191] ? __switch_to_asm+0x34/0x70 [ 727.788250] ? __switch_to_asm+0x34/0x70 [ 727.792310] ? __switch_to_asm+0x40/0x70 [ 727.796382] ? __switch_to_asm+0x34/0x70 [ 727.800463] ? __switch_to_asm+0x40/0x70 [ 727.804522] ? __switch_to_asm+0x34/0x70 [ 727.808581] ? __switch_to_asm+0x40/0x70 [ 727.812637] ? __switch_to_asm+0x34/0x70 [ 727.816702] ? __switch_to_asm+0x34/0x70 [ 727.820761] ? __switch_to_asm+0x40/0x70 [ 727.824817] ? __switch_to_asm+0x34/0x70 [ 727.828882] bpf_clone_redirect+0xb9/0x490 [ 727.833133] ? __schedule+0x8d7/0x21d0 [ 727.837032] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 727.842070] ? __sched_text_start+0x8/0x8 [ 727.846222] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 727.850807] ? retint_kernel+0x2d/0x2d [ 727.854695] ? trace_hardirqs_on_caller+0xc0/0x310 [ 727.859639] ? find_held_lock+0x36/0x1c0 [ 727.863713] ? lock_acquire+0x1ed/0x520 [ 727.867691] ? bpf_test_run+0x3cb/0x780 [ 727.871673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.877217] ? check_preemption_disabled+0x48/0x280 [ 727.882243] ? kasan_check_read+0x11/0x20 [ 727.886390] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 727.891670] ? rcu_softirq_qs+0x20/0x20 [ 727.895652] ? preempt_schedule+0x4d/0x60 [ 727.899800] ? ___preempt_schedule+0x16/0x18 [ 727.904220] ? bpf_test_run+0x25d/0x780 [ 727.908214] ? netlink_diag_dump+0x2a0/0x2a0 [ 727.912632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.918171] ? bpf_test_init.isra.10+0x70/0x100 [ 727.922864] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 727.927632] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 727.932475] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 727.938014] ? fput+0x130/0x1a0 [ 727.941315] ? __bpf_prog_get+0x9b/0x290 [ 727.945385] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 727.950225] ? bpf_prog_test_run+0x130/0x1a0 [ 727.954639] ? __x64_sys_bpf+0x3d8/0x520 [ 727.958711] ? bpf_prog_get+0x20/0x20 [ 727.962537] ? do_syscall_64+0x1b9/0x820 [ 727.966605] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 727.971977] ? syscall_return_slowpath+0x5e0/0x5e0 [ 727.976906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.981758] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.986778] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 727.991796] ? prepare_exit_to_usermode+0x291/0x3b0 [ 727.996823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.001673] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 728.007065] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 728.007071] warn_alloc_show_mem: 1 callbacks suppressed [ 728.007078] Mem-Info: [ 728.014085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.019475] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 728.019475] active_file:14 inactive_file:14 isolated_file:0 [ 728.019475] unevictable:0 dirty:0 writeback:0 unstable:0 [ 728.019475] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 728.019475] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 728.019475] free:13772 free_pcp:380 free_cma:0 [ 728.021845] Call Trace: [ 728.031244] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 728.064376] [ 728.066946] 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 [ 728.094794] dump_stack+0x244/0x39d [ 728.096934] lowmem_reserve[]: 0 2818 6321 6321 [ 728.123548] ? dump_stack_print_info.cold.1+0x20/0x20 [ 728.127148] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 728.132106] warn_alloc.cold.116+0xb7/0x1bd [ 728.137265] lowmem_reserve[]: 0 0 3503 3503 [ 728.164773] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 728.169070] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 728.173386] ? lock_downgrade+0x900/0x900 [ 728.178208] lowmem_reserve[]: 0 0 0 0 [ 728.207362] ? trace_hardirqs_off+0xb8/0x310 [ 728.211481] 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 [ 728.215278] ? trace_hardirqs_off+0xb8/0x310 [ 728.219661] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 728.233185] __alloc_pages_slowpath+0x26e8/0x2e10 [ 728.237562] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 728.252938] ? warn_alloc+0x120/0x120 [ 728.257736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 728.272116] ? print_usage_bug+0xc0/0xc0 [ 728.275897] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 728.284721] ? warn_alloc+0x120/0x120 [ 728.288756] 12557 total pagecache pages [ 728.297341] ? warn_alloc+0x120/0x120 [ 728.301152] 0 pages in swap cache [ 728.305124] ? print_usage_bug+0xc0/0xc0 [ 728.308898] Swap cache stats: add 0, delete 0, find 0/0 [ 728.312347] ? kvm_clock_read+0x18/0x30 [ 728.316386] Free swap = 0kB [ 728.321747] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 728.325692] Total swap = 0kB [ 728.328709] ? print_usage_bug+0xc0/0xc0 [ 728.333705] 1965979 pages RAM [ 728.336725] ? __lock_acquire+0x62f/0x4c20 [ 728.340754] 0 pages HighMem/MovableOnly [ 728.340762] 342853 pages reserved [ 728.343866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.348071] 0 pages cma reserved [ 728.352044] ? should_fail+0x22d/0xd01 [ 728.355553] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 728.361016] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 728.361036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 728.361054] ? __lock_acquire+0x62f/0x4c20 [ 728.364470] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 728.368285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 728.374755] syz-executor1 cpuset=syz1 mems_allowed=0 [ 728.380029] ? __lock_acquire+0x62f/0x4c20 [ 728.414197] ? should_fail+0x22d/0xd01 [ 728.418094] ? rcu_irq_exit+0x1a2/0x390 [ 728.422082] ? mark_held_locks+0x130/0x130 [ 728.426324] ? mark_held_locks+0x130/0x130 [ 728.430585] ? mark_held_locks+0xc7/0x130 [ 728.434764] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 728.439782] ? zap_class+0x640/0x640 [ 728.443496] ? print_usage_bug+0xc0/0xc0 [ 728.447565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.453108] ? check_preemption_disabled+0x48/0x280 [ 728.458139] ? __lock_is_held+0xb5/0x140 [ 728.462215] __alloc_pages_nodemask+0xa80/0xde0 [ 728.466885] ? zap_class+0x640/0x640 [ 728.470609] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 728.475642] ? find_held_lock+0x36/0x1c0 [ 728.479717] ? ____cache_alloc_node+0x1c7/0x1e0 [ 728.484393] ? lock_downgrade+0x900/0x900 [ 728.488555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.494101] cache_grow_begin+0xa5/0x8c0 [ 728.498168] ? do_raw_spin_unlock+0xa7/0x330 [ 728.502590] fallback_alloc+0x204/0x2e0 [ 728.506579] ____cache_alloc_node+0x1c7/0x1e0 [ 728.511086] kmem_cache_alloc_node+0xe3/0x730 [ 728.515583] ? ipv6_get_ifaddr+0x42e/0x620 [ 728.519831] __alloc_skb+0x119/0x770 [ 728.523547] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 728.528831] ? netdev_alloc_frag+0x1f0/0x1f0 [ 728.533245] ? lock_downgrade+0x900/0x900 [ 728.537404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.542954] ? refcount_sub_and_test_checked+0x203/0x310 [ 728.548416] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 728.553879] ? addrconf_rs_timer+0x690/0x690 [ 728.558304] ndisc_alloc_skb+0x144/0x340 [ 728.562374] ndisc_send_rs+0x331/0x6e0 [ 728.566271] addrconf_rs_timer+0x314/0x690 [ 728.570515] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 728.574762] call_timer_fn+0x272/0x920 [ 728.578654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 728.582890] ? process_timeout+0x40/0x40 [ 728.586964] ? mark_held_locks+0xc7/0x130 [ 728.591116] ? _raw_spin_unlock_irq+0x27/0x80 [ 728.595614] ? _raw_spin_unlock_irq+0x27/0x80 [ 728.600111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 728.604345] ? lockdep_hardirqs_on+0x296/0x5b0 [ 728.608931] ? trace_hardirqs_on+0xbd/0x310 [ 728.613257] ? kasan_check_read+0x11/0x20 [ 728.617405] ? __run_timers+0x7da/0xc70 [ 728.621393] ? trace_hardirqs_off_caller+0x310/0x310 [ 728.626508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 728.630753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 728.634989] __run_timers+0x7e5/0xc70 [ 728.638804] ? timer_fixup_init+0x70/0x70 [ 728.642957] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 728.647975] ? zap_class+0x640/0x640 [ 728.651694] ? print_usage_bug+0xc0/0xc0 [ 728.655759] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 728.660974] ? find_held_lock+0x36/0x1c0 [ 728.665046] ? zap_class+0x640/0x640 [ 728.668771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.674313] ? check_preemption_disabled+0x48/0x280 [ 728.679341] ? __lock_is_held+0xb5/0x140 [ 728.683418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.688972] ? check_preemption_disabled+0x48/0x280 [ 728.693998] run_timer_softirq+0x52/0xb0 [ 728.698059] ? rcu_read_lock_sched_held+0x14f/0x180 [ 728.703085] __do_softirq+0x308/0xb7e [ 728.706890] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 728.711404] ? lock_downgrade+0x900/0x900 [ 728.715565] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 728.720681] ? pvclock_read_flags+0x160/0x160 [ 728.725180] ? lapic_next_event+0x5a/0x90 [ 728.729336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.734882] ? kvm_clock_read+0x18/0x30 [ 728.738855] ? kvm_sched_clock_read+0x9/0x20 [ 728.743267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.748811] ? check_preemption_disabled+0x48/0x280 [ 728.753844] irq_exit+0x17f/0x1c0 [ 728.757304] smp_apic_timer_interrupt+0x1cb/0x760 [ 728.762150] ? smp_reschedule_interrupt+0x109/0x650 [ 728.767169] ? smp_call_function_single_interrupt+0x650/0x650 [ 728.773067] ? interrupt_entry+0xb5/0xc0 [ 728.777132] ? trace_hardirqs_off_caller+0xbb/0x310 [ 728.782152] ? trace_hardirqs_off_caller+0xbb/0x310 [ 728.787172] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.792019] ? trace_hardirqs_on_caller+0x310/0x310 [ 728.797033] ? trace_hardirqs_on_caller+0x310/0x310 [ 728.802079] ? task_prio+0x50/0x50 [ 728.805625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.811164] ? check_preemption_disabled+0x48/0x280 [ 728.816186] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.821046] apic_timer_interrupt+0xf/0x20 [ 728.825274] [ 728.827519] RIP: 0010:dump_stack+0x20e/0x39d [ 728.831932] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 728.850835] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 728.858545] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 728.865813] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 728.873081] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 728.880351] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 728.887617] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 728.894914] ? dump_stack+0x205/0x39d [ 728.898760] ? dump_stack_print_info.cold.1+0x20/0x20 [ 728.903952] ? mark_held_locks+0x130/0x130 [ 728.908209] ? mark_held_locks+0x130/0x130 [ 728.912460] dump_header+0x27b/0xf72 [ 728.916190] ? pagefault_out_of_memory+0x197/0x197 [ 728.921136] ? __lock_acquire+0x62f/0x4c20 [ 728.925374] ? percpu_ref_get_many+0x240/0x240 [ 728.929965] ? print_usage_bug+0xc0/0xc0 [ 728.934038] ? zap_class+0x640/0x640 [ 728.937756] ? print_usage_bug+0xc0/0xc0 [ 728.941815] ? print_usage_bug+0xc0/0xc0 [ 728.945881] ? zap_class+0x640/0x640 [ 728.949600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.955146] ? find_held_lock+0x36/0x1c0 [ 728.959226] ? mark_held_locks+0xc7/0x130 [ 728.963382] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 728.968487] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 728.973596] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 728.978301] ? trace_hardirqs_on+0xbd/0x310 [ 728.982624] ? kasan_check_read+0x11/0x20 [ 728.986776] ? ___ratelimit+0x3b4/0x672 [ 728.990752] ? trace_hardirqs_off_caller+0x310/0x310 [ 728.995859] ? trace_hardirqs_on+0x310/0x310 [ 729.000270] ? lock_downgrade+0x900/0x900 [ 729.004469] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 729.009574] ? ___ratelimit+0x3b9/0x672 [ 729.013552] ? idr_get_free+0xf70/0xf70 [ 729.017525] ? find_held_lock+0x36/0x1c0 [ 729.021598] oom_kill_process.cold.27+0x10/0x903 [ 729.026356] ? zap_class+0x640/0x640 [ 729.030069] ? check_preemption_disabled+0x48/0x280 [ 729.035105] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 729.040034] ? kasan_check_read+0x11/0x20 [ 729.044184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 729.049479] ? oom_evaluate_task+0x540/0x540 [ 729.053892] ? find_held_lock+0x36/0x1c0 [ 729.057962] ? out_of_memory+0x974/0x1430 [ 729.062113] ? lock_downgrade+0x900/0x900 [ 729.066279] ? check_preemption_disabled+0x48/0x280 [ 729.071303] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 729.076233] ? kasan_check_read+0x11/0x20 [ 729.080379] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 729.085660] ? rcu_softirq_qs+0x20/0x20 [ 729.089643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.095178] ? oom_evaluate_task+0x302/0x540 [ 729.099595] out_of_memory+0xa84/0x1430 [ 729.103579] ? oom_killer_disable+0x3a0/0x3a0 [ 729.108512] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 729.113511] ? __ww_mutex_check_waiters+0x160/0x160 [ 729.118561] __alloc_pages_slowpath+0x2354/0x2e10 [ 729.123428] ? warn_alloc+0x120/0x120 [ 729.127251] ? mark_held_locks+0x130/0x130 [ 729.131490] ? find_get_entry+0xaae/0x1120 [ 729.135736] ? filemap_map_pages+0x1a20/0x1a20 [ 729.140329] ? zap_class+0x640/0x640 [ 729.144049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.149591] ? check_preemption_disabled+0x48/0x280 [ 729.154609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.160146] ? should_fail+0x22d/0xd01 [ 729.164044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 729.169163] ? zap_class+0x640/0x640 [ 729.172902] ? __lock_is_held+0xb5/0x140 [ 729.176979] ? mark_held_locks+0x130/0x130 [ 729.181224] ? lock_release+0xa00/0xa00 [ 729.185207] ? perf_trace_sched_process_exec+0x860/0x860 [ 729.190658] ? xa_load+0x2ba/0x460 [ 729.194205] ? lock_downgrade+0x900/0x900 [ 729.198358] ? __might_sleep+0x95/0x190 [ 729.202373] __alloc_pages_nodemask+0xa80/0xde0 [ 729.207050] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 729.212072] ? __page_cache_alloc+0x191/0x5c0 [ 729.216573] ? xa_load+0x2e1/0x460 [ 729.220119] ? xa_clear_mark+0x40/0x40 [ 729.224053] ? zap_class+0x640/0x640 [ 729.227815] ? zap_class+0x640/0x640 [ 729.231529] ? zap_class+0x640/0x640 [ 729.235243] ? __do_page_cache_readahead+0x663/0x810 [ 729.240351] ? find_held_lock+0x36/0x1c0 [ 729.244424] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 729.249979] alloc_pages_current+0x173/0x350 [ 729.254444] __page_cache_alloc+0x38c/0x5c0 [ 729.258768] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 729.263697] ? kasan_check_read+0x11/0x20 [ 729.267853] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 729.273134] ? generic_perform_write+0x6a0/0x6a0 [ 729.277895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.283433] ? check_preemption_disabled+0x48/0x280 [ 729.288483] filemap_fault+0x1595/0x25f0 [ 729.292595] ? __lock_page_or_retry+0xa00/0xa00 [ 729.297271] ? mark_held_locks+0x130/0x130 [ 729.301522] ? filemap_map_pages+0xd6b/0x1a20 [ 729.306025] ? lock_downgrade+0x900/0x900 [ 729.310176] ? check_preemption_disabled+0x48/0x280 [ 729.315207] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 729.320140] ? kasan_check_read+0x11/0x20 [ 729.324293] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 729.329569] ? rcu_softirq_qs+0x20/0x20 [ 729.333564] ? filemap_map_pages+0xd92/0x1a20 [ 729.338073] ? find_get_entries_tag+0x1400/0x1400 [ 729.342924] ? debug_object_destroy+0x2b0/0x2b0 [ 729.347599] ? lock_pi_update_atomic+0x150/0x150 [ 729.352359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.357910] ? lock_acquire+0x1ed/0x520 [ 729.361888] ? ext4_filemap_fault+0x7a/0xad [ 729.366228] ? lock_release+0xa00/0xa00 [ 729.370208] ? perf_trace_sched_process_exec+0x860/0x860 [ 729.375663] ? print_usage_bug+0xc0/0xc0 [ 729.379728] ? print_usage_bug+0xc0/0xc0 [ 729.383803] ? down_read+0x8d/0x120 [ 729.387430] ? ext4_filemap_fault+0x7a/0xad [ 729.391764] ? __down_interruptible+0x700/0x700 [ 729.396453] ext4_filemap_fault+0x82/0xad [ 729.400609] __do_fault+0x100/0x6b0 [ 729.404238] ? find_held_lock+0x36/0x1c0 [ 729.408317] ? pmd_devmap_trans_unstable+0x220/0x220 [ 729.413424] ? mark_held_locks+0x130/0x130 [ 729.417669] ? mark_held_locks+0x130/0x130 [ 729.421912] ? debug_smp_processor_id+0x1c/0x20 [ 729.426582] ? perf_trace_lock+0x14d/0x7a0 [ 729.430816] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 729.435408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.440960] __handle_mm_fault+0x3ea0/0x5be0 [ 729.445384] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 729.450235] ? lock_is_held_type+0x210/0x210 [ 729.454657] ? preempt_notifier_register+0x200/0x200 [ 729.459763] ? __switch_to_asm+0x34/0x70 [ 729.463830] ? __switch_to_asm+0x34/0x70 [ 729.467905] ? zap_class+0x640/0x640 [ 729.471621] ? zap_class+0x640/0x640 [ 729.475337] ? __x64_sys_futex+0x53e/0x6a0 [ 729.479577] ? find_held_lock+0x36/0x1c0 [ 729.483650] ? handle_mm_fault+0x42a/0xc70 [ 729.487893] ? lock_downgrade+0x900/0x900 [ 729.492046] ? check_preemption_disabled+0x48/0x280 [ 729.497071] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 729.502001] ? kasan_check_read+0x11/0x20 [ 729.506154] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 729.511432] ? rcu_softirq_qs+0x20/0x20 [ 729.515417] ? trace_hardirqs_off_caller+0x310/0x310 [ 729.520530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.526082] ? check_preemption_disabled+0x48/0x280 [ 729.531109] handle_mm_fault+0x54f/0xc70 [ 729.535178] ? __handle_mm_fault+0x5be0/0x5be0 [ 729.539782] ? find_vma+0x34/0x190 [ 729.543331] __do_page_fault+0x5e8/0xe60 [ 729.547393] ? trace_hardirqs_off+0xb8/0x310 [ 729.551818] do_page_fault+0xf2/0x7e0 [ 729.555626] ? vmalloc_sync_all+0x30/0x30 [ 729.559799] ? error_entry+0x70/0xd0 [ 729.563526] ? trace_hardirqs_off_caller+0xbb/0x310 [ 729.568541] ? trace_hardirqs_on_caller+0xc0/0x310 [ 729.573475] ? syscall_return_slowpath+0x5e0/0x5e0 [ 729.578404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.583256] ? trace_hardirqs_on_caller+0x310/0x310 [ 729.588275] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 729.593732] ? prepare_exit_to_usermode+0x291/0x3b0 [ 729.598754] ? page_fault+0x8/0x30 [ 729.602302] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.607153] ? page_fault+0x8/0x30 [ 729.610699] page_fault+0x1e/0x30 [ 729.614165] RIP: 0033:0x40f9c0 [ 729.617380] Code: Bad RIP value. [ 729.620738] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 729.626100] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 729.633368] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 729.640640] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 729.647908] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 729.655176] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 729.662489] CPU: 0 PID: 2847 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #144 [ 729.662563] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 729.669765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 729.669770] Call Trace: [ 729.669777] [ 729.669800] dump_stack+0x244/0x39d [ 729.669819] ? dump_stack_print_info.cold.1+0x20/0x20 [ 729.676391] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 729.685657] warn_alloc.cold.116+0xb7/0x1bd [ 729.688215] syz-fuzzer cpuset=/ mems_allowed=0 [ 729.690359] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 729.723050] ? lock_downgrade+0x900/0x900 [ 729.727211] ? trace_hardirqs_off+0xb8/0x310 [ 729.731626] ? trace_hardirqs_off+0xb8/0x310 [ 729.736049] __alloc_pages_slowpath+0x26e8/0x2e10 [ 729.740928] ? warn_alloc+0x120/0x120 [ 729.744741] ? print_usage_bug+0xc0/0xc0 [ 729.748808] ? warn_alloc+0x120/0x120 [ 729.752616] ? warn_alloc+0x120/0x120 [ 729.756420] ? print_usage_bug+0xc0/0xc0 [ 729.760497] ? print_usage_bug+0xc0/0xc0 [ 729.764601] ? __lock_acquire+0x62f/0x4c20 [ 729.768846] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.774388] ? should_fail+0x22d/0xd01 [ 729.778282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 729.783386] ? __lock_acquire+0x62f/0x4c20 [ 729.787626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 729.792735] ? __lock_acquire+0x62f/0x4c20 [ 729.796969] ? should_fail+0x22d/0xd01 [ 729.800861] ? find_held_lock+0x36/0x1c0 [ 729.804938] ? mark_held_locks+0x130/0x130 [ 729.809180] ? mark_held_locks+0x130/0x130 [ 729.813418] ? zap_class+0x640/0x640 [ 729.817138] ? zap_class+0x640/0x640 [ 729.820859] ? print_usage_bug+0xc0/0xc0 [ 729.824922] ? do_raw_spin_unlock+0xa7/0x330 [ 729.829333] ? zap_class+0x640/0x640 [ 729.833050] ? print_usage_bug+0xc0/0xc0 [ 729.837113] ? wq_watchdog_touch+0x9c/0xfe [ 729.841356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.846906] ? check_preemption_disabled+0x48/0x280 [ 729.851938] ? __lock_is_held+0xb5/0x140 [ 729.856012] __alloc_pages_nodemask+0xa80/0xde0 [ 729.860686] ? zap_class+0x640/0x640 [ 729.864409] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 729.869451] ? find_held_lock+0x36/0x1c0 [ 729.873525] ? ____cache_alloc_node+0x1c7/0x1e0 [ 729.878196] ? lock_downgrade+0x900/0x900 [ 729.882356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.887903] cache_grow_begin+0xa5/0x8c0 [ 729.891974] ? do_raw_spin_unlock+0xa7/0x330 [ 729.896424] fallback_alloc+0x204/0x2e0 [ 729.900451] ____cache_alloc_node+0x1c7/0x1e0 [ 729.904956] kmem_cache_alloc_node+0xe3/0x730 [ 729.909464] ? ipv6_get_ifaddr+0x42e/0x620 [ 729.913721] __alloc_skb+0x119/0x770 [ 729.917449] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 729.922738] ? netdev_alloc_frag+0x1f0/0x1f0 [ 729.927148] ? lock_downgrade+0x900/0x900 [ 729.931307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.936847] ? refcount_sub_and_test_checked+0x203/0x310 [ 729.942306] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 729.947759] ? addrconf_rs_timer+0x690/0x690 [ 729.952181] ndisc_alloc_skb+0x144/0x340 [ 729.956248] ndisc_send_rs+0x331/0x6e0 [ 729.960146] addrconf_rs_timer+0x314/0x690 [ 729.964400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 729.968644] call_timer_fn+0x272/0x920 [ 729.972532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 729.977020] ? process_timeout+0x40/0x40 [ 729.981089] ? __run_timers+0x7da/0xc70 [ 729.985063] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.989557] ? _raw_spin_unlock_irq+0x27/0x80 [ 729.994054] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 729.998293] ? lockdep_hardirqs_on+0x296/0x5b0 [ 730.002879] ? trace_hardirqs_on+0xbd/0x310 [ 730.007201] ? kasan_check_read+0x11/0x20 [ 730.011349] ? __run_timers+0x7da/0xc70 [ 730.015325] ? trace_hardirqs_off_caller+0x310/0x310 [ 730.020453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 730.024689] __run_timers+0x7e5/0xc70 [ 730.028509] ? timer_fixup_init+0x70/0x70 [ 730.032663] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 730.037681] ? zap_class+0x640/0x640 [ 730.041405] ? enqueue_hrtimer+0x1a5/0x560 [ 730.045648] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 730.050845] ? find_held_lock+0x36/0x1c0 [ 730.054918] ? zap_class+0x640/0x640 [ 730.058639] ? pvclock_read_flags+0x160/0x160 [ 730.063144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.068683] ? check_preemption_disabled+0x48/0x280 [ 730.073720] ? __lock_is_held+0xb5/0x140 [ 730.077792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.083334] ? check_preemption_disabled+0x48/0x280 [ 730.088374] run_timer_softirq+0x52/0xb0 [ 730.092450] ? rcu_read_lock_sched_held+0x14f/0x180 [ 730.097495] __do_softirq+0x308/0xb7e [ 730.101333] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 730.105863] ? lock_downgrade+0x900/0x900 [ 730.110011] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 730.115125] ? pvclock_read_flags+0x160/0x160 [ 730.119628] ? lapic_next_event+0x5a/0x90 [ 730.123785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.129328] ? kvm_clock_read+0x18/0x30 [ 730.133301] ? kvm_sched_clock_read+0x9/0x20 [ 730.137732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.143292] ? check_preemption_disabled+0x48/0x280 [ 730.148321] irq_exit+0x17f/0x1c0 [ 730.151784] smp_apic_timer_interrupt+0x1cb/0x760 [ 730.156628] ? smp_reschedule_interrupt+0x109/0x650 [ 730.161666] ? smp_call_function_single_interrupt+0x650/0x650 [ 730.167560] ? interrupt_entry+0xb5/0xc0 [ 730.171624] ? trace_hardirqs_off_caller+0xbb/0x310 [ 730.176644] ? trace_hardirqs_off_caller+0xbb/0x310 [ 730.181662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.186506] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.191526] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.196541] ? task_prio+0x50/0x50 [ 730.200089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.205630] ? check_preemption_disabled+0x48/0x280 [ 730.210659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.215515] apic_timer_interrupt+0xf/0x20 [ 730.219748] [ 730.221991] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 730.226920] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b7 [ 730.245820] RSP: 0000:ffff88018d36f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 730.253528] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 730.260796] RDX: 0000000000000000 RSI: ffff88017d13cb40 RDI: 0000000000000286 [ 730.268063] RBP: ffff88018d36f7a0 R08: ffff88017d13c2c0 R09: 0000000000000000 [ 730.275328] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 730.282595] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020 [ 730.289914] skb_clone+0x1bb/0x500 [ 730.293465] ? finish_task_switch+0x1b4/0x910 [ 730.297963] ? skb_split+0x11e0/0x11e0 [ 730.301855] ? preempt_notifier_register+0x200/0x200 [ 730.306955] ? __switch_to_asm+0x34/0x70 [ 730.311016] ? __switch_to_asm+0x34/0x70 [ 730.315075] ? __switch_to_asm+0x40/0x70 [ 730.319133] ? __switch_to_asm+0x34/0x70 [ 730.323196] ? __switch_to_asm+0x40/0x70 [ 730.327257] ? __switch_to_asm+0x34/0x70 [ 730.331314] ? __switch_to_asm+0x40/0x70 [ 730.335377] ? __switch_to_asm+0x34/0x70 [ 730.339436] ? __switch_to_asm+0x34/0x70 [ 730.343521] ? __switch_to_asm+0x40/0x70 [ 730.347583] ? __switch_to_asm+0x34/0x70 [ 730.351650] bpf_clone_redirect+0xb9/0x490 [ 730.355888] ? __schedule+0x8d7/0x21d0 [ 730.359787] bpf_prog_bebbfe2050753572+0x9b9/0x1000 [ 730.364810] ? __sched_text_start+0x8/0x8 [ 730.368962] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 730.373549] ? retint_kernel+0x2d/0x2d [ 730.377436] ? trace_hardirqs_on_caller+0xc0/0x310 [ 730.382385] ? find_held_lock+0x36/0x1c0 [ 730.386461] ? lock_acquire+0x1ed/0x520 [ 730.390451] ? bpf_test_run+0x3cb/0x780 [ 730.394428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.399979] ? check_preemption_disabled+0x48/0x280 [ 730.405007] ? kasan_check_read+0x11/0x20 [ 730.409160] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 730.414451] ? rcu_softirq_qs+0x20/0x20 [ 730.418429] ? preempt_schedule+0x4d/0x60 [ 730.422591] ? ___preempt_schedule+0x16/0x18 [ 730.427014] ? bpf_test_run+0x25d/0x780 [ 730.431000] ? netlink_diag_dump+0x2a0/0x2a0 [ 730.435419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.440983] ? bpf_test_init.isra.10+0x70/0x100 [ 730.445665] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 730.450445] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 730.455292] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 730.460841] ? fput+0x130/0x1a0 [ 730.464125] ? __bpf_prog_get+0x9b/0x290 [ 730.468193] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 730.473038] ? bpf_prog_test_run+0x130/0x1a0 [ 730.477457] ? __x64_sys_bpf+0x3d8/0x520 [ 730.481522] ? bpf_prog_get+0x20/0x20 [ 730.485343] ? do_syscall_64+0x1b9/0x820 [ 730.489407] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 730.494779] ? syscall_return_slowpath+0x5e0/0x5e0 [ 730.499715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.504568] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.509586] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 730.514607] ? prepare_exit_to_usermode+0x291/0x3b0 [ 730.519633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.524490] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 730.529877] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 730.529883] warn_alloc_show_mem: 1 callbacks suppressed [ 730.529890] Mem-Info: [ 730.536905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 730.542272] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 730.542272] active_file:14 inactive_file:14 isolated_file:0 [ 730.542272] unevictable:0 dirty:0 writeback:0 unstable:0 [ 730.542272] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 730.542272] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 730.542272] free:13772 free_pcp:380 free_cma:0 [ 730.544643] Call Trace: [ 730.554035] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 730.587156] [ 730.589730] 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 [ 730.617585] dump_stack+0x244/0x39d [ 730.619715] lowmem_reserve[]: 0 2818 6321 6321 [ 730.645837] ? dump_stack_print_info.cold.1+0x20/0x20 [ 730.649448] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 730.654034] warn_alloc.cold.116+0xb7/0x1bd [ 730.659190] lowmem_reserve[]: 0 0 3503 3503 [ 730.686701] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 730.691005] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 730.695322] ? lock_downgrade+0x900/0x900 [ 730.700137] lowmem_reserve[]: 0 0 0 0 [ 730.729295] ? trace_hardirqs_off+0xb8/0x310 [ 730.733416] 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 [ 730.737223] ? trace_hardirqs_off+0xb8/0x310 [ 730.741598] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 730.755125] __alloc_pages_slowpath+0x26e8/0x2e10 [ 730.759503] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 730.774790] ? warn_alloc+0x120/0x120 [ 730.779590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 730.793984] ? print_usage_bug+0xc0/0xc0 [ 730.797767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 730.806595] ? warn_alloc+0x120/0x120 [ 730.810635] 12557 total pagecache pages [ 730.819208] ? warn_alloc+0x120/0x120 [ 730.822979] 0 pages in swap cache [ 730.826946] ? print_usage_bug+0xc0/0xc0 [ 730.830725] Swap cache stats: add 0, delete 0, find 0/0 [ 730.834186] ? kvm_clock_read+0x18/0x30 [ 730.838221] Free swap = 0kB [ 730.843577] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 730.847527] Total swap = 0kB [ 730.850543] ? print_usage_bug+0xc0/0xc0 [ 730.855532] 1965979 pages RAM [ 730.858546] ? __lock_acquire+0x62f/0x4c20 [ 730.862585] 0 pages HighMem/MovableOnly [ 730.865690] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.869897] 342853 pages reserved [ 730.873864] ? should_fail+0x22d/0xd01 [ 730.879372] 0 pages cma reserved [ 730.882821] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 730.886762] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 730.890042] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 730.906871] ? __lock_acquire+0x62f/0x4c20 [ 730.911122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 730.915570] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 730.916230] ? __lock_acquire+0x62f/0x4c20 [ 730.916251] ? should_fail+0x22d/0xd01 [ 730.926726] kworker/0:2 cpuset=/ mems_allowed=0 [ 730.930959] ? rcu_irq_exit+0x1a2/0x390 [ 730.930988] ? mark_held_locks+0x130/0x130 [ 730.947797] ? mark_held_locks+0x130/0x130 [ 730.952040] ? mark_held_locks+0xc7/0x130 [ 730.956193] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 730.961221] ? zap_class+0x640/0x640 [ 730.964956] ? print_usage_bug+0xc0/0xc0 [ 730.969030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.974583] ? check_preemption_disabled+0x48/0x280 [ 730.979613] ? __lock_is_held+0xb5/0x140 [ 730.983687] __alloc_pages_nodemask+0xa80/0xde0 [ 730.988358] ? zap_class+0x640/0x640 [ 730.992079] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 730.997111] ? find_held_lock+0x36/0x1c0 [ 731.001185] ? ____cache_alloc_node+0x1c7/0x1e0 [ 731.005861] ? lock_downgrade+0x900/0x900 [ 731.010020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.015564] cache_grow_begin+0xa5/0x8c0 [ 731.019631] ? do_raw_spin_unlock+0xa7/0x330 [ 731.024049] fallback_alloc+0x204/0x2e0 [ 731.028033] ____cache_alloc_node+0x1c7/0x1e0 [ 731.032537] kmem_cache_alloc_node+0xe3/0x730 [ 731.037036] ? ipv6_get_ifaddr+0x42e/0x620 [ 731.041285] __alloc_skb+0x119/0x770 [ 731.045005] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 731.050291] ? netdev_alloc_frag+0x1f0/0x1f0 [ 731.054704] ? lock_downgrade+0x900/0x900 [ 731.058867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.064408] ? refcount_sub_and_test_checked+0x203/0x310 [ 731.069872] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 731.075327] ? addrconf_rs_timer+0x690/0x690 [ 731.079757] ndisc_alloc_skb+0x144/0x340 [ 731.083827] ndisc_send_rs+0x331/0x6e0 [ 731.087720] addrconf_rs_timer+0x314/0x690 [ 731.091984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.096237] call_timer_fn+0x272/0x920 [ 731.100127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.104366] ? process_timeout+0x40/0x40 [ 731.108451] ? mark_held_locks+0xc7/0x130 [ 731.112604] ? _raw_spin_unlock_irq+0x27/0x80 [ 731.117100] ? _raw_spin_unlock_irq+0x27/0x80 [ 731.121600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.125839] ? lockdep_hardirqs_on+0x296/0x5b0 [ 731.130463] ? trace_hardirqs_on+0xbd/0x310 [ 731.134788] ? kasan_check_read+0x11/0x20 [ 731.138936] ? __run_timers+0x7da/0xc70 [ 731.142914] ? trace_hardirqs_off_caller+0x310/0x310 [ 731.148022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.152269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 731.156508] __run_timers+0x7e5/0xc70 [ 731.160323] ? timer_fixup_init+0x70/0x70 [ 731.164480] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 731.169503] ? zap_class+0x640/0x640 [ 731.173233] ? print_usage_bug+0xc0/0xc0 [ 731.177301] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 731.182502] ? find_held_lock+0x36/0x1c0 [ 731.186571] ? zap_class+0x640/0x640 [ 731.190293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.195833] ? check_preemption_disabled+0x48/0x280 [ 731.200863] ? __lock_is_held+0xb5/0x140 [ 731.204927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.210484] ? check_preemption_disabled+0x48/0x280 [ 731.215504] run_timer_softirq+0x52/0xb0 [ 731.219571] ? rcu_read_lock_sched_held+0x14f/0x180 [ 731.224590] __do_softirq+0x308/0xb7e [ 731.228395] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 731.232889] ? lock_downgrade+0x900/0x900 [ 731.237042] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 731.242154] ? pvclock_read_flags+0x160/0x160 [ 731.246664] ? lapic_next_event+0x5a/0x90 [ 731.250823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.256367] ? kvm_clock_read+0x18/0x30 [ 731.260345] ? kvm_sched_clock_read+0x9/0x20 [ 731.264758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.270311] ? check_preemption_disabled+0x48/0x280 [ 731.275340] irq_exit+0x17f/0x1c0 [ 731.278800] smp_apic_timer_interrupt+0x1cb/0x760 [ 731.283646] ? smp_reschedule_interrupt+0x109/0x650 [ 731.288664] ? smp_call_function_single_interrupt+0x650/0x650 [ 731.294548] ? interrupt_entry+0xb5/0xc0 [ 731.298614] ? trace_hardirqs_off_caller+0xbb/0x310 [ 731.303632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 731.308652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.313498] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.318519] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.323539] ? task_prio+0x50/0x50 [ 731.327083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.332628] ? check_preemption_disabled+0x48/0x280 [ 731.337652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.342508] apic_timer_interrupt+0xf/0x20 [ 731.346737] [ 731.348978] RIP: 0010:dump_stack+0x20e/0x39d [ 731.353411] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 b7 94 ef f9 48 83 3d cf b7 7e 01 00 74 ad e8 c8 46 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 46 ac f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 [ 731.372331] RSP: 0000:ffff8801d86561e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 731.380043] RAX: ffff8801c23bc300 RBX: ffffffff8951fbb0 RCX: 1ffff1003847797e [ 731.387314] RDX: 0000000000000000 RSI: ffffffff87d343e8 RDI: 0000000000000293 [ 731.394580] RBP: ffff8801d8656290 R08: ffff8801c23bcbf0 R09: 0000000000000006 [ 731.401866] R10: 0000000000000000 R11: ffff8801c23bc300 R12: dffffc0000000000 [ 731.409132] R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 [ 731.416431] ? dump_stack+0x205/0x39d [ 731.420263] ? dump_stack_print_info.cold.1+0x20/0x20 [ 731.425466] ? mark_held_locks+0x130/0x130 [ 731.429706] ? mark_held_locks+0x130/0x130 [ 731.433950] dump_header+0x27b/0xf72 [ 731.437683] ? pagefault_out_of_memory+0x197/0x197 [ 731.442621] ? __lock_acquire+0x62f/0x4c20 [ 731.446859] ? percpu_ref_get_many+0x240/0x240 [ 731.451452] ? print_usage_bug+0xc0/0xc0 [ 731.455523] ? zap_class+0x640/0x640 [ 731.459245] ? print_usage_bug+0xc0/0xc0 [ 731.463309] ? print_usage_bug+0xc0/0xc0 [ 731.467375] ? zap_class+0x640/0x640 [ 731.471096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.476642] ? find_held_lock+0x36/0x1c0 [ 731.480713] ? mark_held_locks+0xc7/0x130 [ 731.484866] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 731.490055] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 731.495167] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 731.499761] ? trace_hardirqs_on+0xbd/0x310 [ 731.504081] ? kasan_check_read+0x11/0x20 [ 731.508236] ? ___ratelimit+0x3b4/0x672 [ 731.512220] ? trace_hardirqs_off_caller+0x310/0x310 [ 731.517328] ? trace_hardirqs_on+0x310/0x310 [ 731.521740] ? lock_downgrade+0x900/0x900 [ 731.525899] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 731.531003] ? ___ratelimit+0x3b9/0x672 [ 731.534979] ? idr_get_free+0xf70/0xf70 [ 731.538955] ? find_held_lock+0x36/0x1c0 [ 731.543026] oom_kill_process.cold.27+0x10/0x903 [ 731.547782] ? zap_class+0x640/0x640 [ 731.551499] ? check_preemption_disabled+0x48/0x280 [ 731.556517] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 731.561458] ? kasan_check_read+0x11/0x20 [ 731.565611] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 731.570896] ? oom_evaluate_task+0x540/0x540 [ 731.575325] ? find_held_lock+0x36/0x1c0 [ 731.579429] ? out_of_memory+0x974/0x1430 [ 731.583591] ? lock_downgrade+0x900/0x900 [ 731.587739] ? check_preemption_disabled+0x48/0x280 [ 731.592761] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 731.597693] ? kasan_check_read+0x11/0x20 [ 731.601844] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 731.607125] ? rcu_softirq_qs+0x20/0x20 [ 731.611119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.616654] ? oom_evaluate_task+0x302/0x540 [ 731.621071] out_of_memory+0xa84/0x1430 [ 731.625054] ? oom_killer_disable+0x3a0/0x3a0 [ 731.629553] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 731.634494] ? __ww_mutex_check_waiters+0x160/0x160 [ 731.639524] __alloc_pages_slowpath+0x2354/0x2e10 [ 731.644401] ? warn_alloc+0x120/0x120 [ 731.648207] ? mark_held_locks+0x130/0x130 [ 731.652468] ? find_get_entry+0xaae/0x1120 [ 731.656712] ? filemap_map_pages+0x1a20/0x1a20 [ 731.661300] ? zap_class+0x640/0x640 [ 731.665022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.670561] ? check_preemption_disabled+0x48/0x280 [ 731.675579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.681138] ? should_fail+0x22d/0xd01 [ 731.685067] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 731.690208] ? zap_class+0x640/0x640 [ 731.693949] ? __lock_is_held+0xb5/0x140 [ 731.698023] ? mark_held_locks+0x130/0x130 [ 731.702262] ? lock_release+0xa00/0xa00 [ 731.706240] ? perf_trace_sched_process_exec+0x860/0x860 [ 731.711693] ? xa_load+0x2ba/0x460 [ 731.715235] ? lock_downgrade+0x900/0x900 [ 731.719403] ? __might_sleep+0x95/0x190 [ 731.723380] __alloc_pages_nodemask+0xa80/0xde0 [ 731.728059] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 731.733078] ? __page_cache_alloc+0x191/0x5c0 [ 731.737572] ? xa_load+0x2e1/0x460 [ 731.741113] ? xa_clear_mark+0x40/0x40 [ 731.745019] ? zap_class+0x640/0x640 [ 731.748746] ? zap_class+0x640/0x640 [ 731.752468] ? zap_class+0x640/0x640 [ 731.756182] ? __do_page_cache_readahead+0x663/0x810 [ 731.761318] ? find_held_lock+0x36/0x1c0 [ 731.765411] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 731.770963] alloc_pages_current+0x173/0x350 [ 731.775384] __page_cache_alloc+0x38c/0x5c0 [ 731.779709] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 731.784645] ? kasan_check_read+0x11/0x20 [ 731.788797] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 731.794078] ? generic_perform_write+0x6a0/0x6a0 [ 731.798841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.804383] ? check_preemption_disabled+0x48/0x280 [ 731.809410] filemap_fault+0x1595/0x25f0 [ 731.813497] ? __lock_page_or_retry+0xa00/0xa00 [ 731.818174] ? mark_held_locks+0x130/0x130 [ 731.822425] ? filemap_map_pages+0xd6b/0x1a20 [ 731.826934] ? lock_downgrade+0x900/0x900 [ 731.831082] ? check_preemption_disabled+0x48/0x280 [ 731.836115] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 731.841046] ? kasan_check_read+0x11/0x20 [ 731.845196] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 731.850479] ? rcu_softirq_qs+0x20/0x20 [ 731.854479] ? filemap_map_pages+0xd92/0x1a20 [ 731.858990] ? find_get_entries_tag+0x1400/0x1400 [ 731.863844] ? debug_object_destroy+0x2b0/0x2b0 [ 731.868523] ? lock_pi_update_atomic+0x150/0x150 [ 731.873278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.878832] ? lock_acquire+0x1ed/0x520 [ 731.882808] ? ext4_filemap_fault+0x7a/0xad [ 731.887143] ? lock_release+0xa00/0xa00 [ 731.891115] ? perf_trace_sched_process_exec+0x860/0x860 [ 731.896570] ? print_usage_bug+0xc0/0xc0 [ 731.900639] ? print_usage_bug+0xc0/0xc0 [ 731.904746] ? down_read+0x8d/0x120 [ 731.908382] ? ext4_filemap_fault+0x7a/0xad [ 731.912707] ? __down_interruptible+0x700/0x700 [ 731.917391] ext4_filemap_fault+0x82/0xad [ 731.921544] __do_fault+0x100/0x6b0 [ 731.925177] ? find_held_lock+0x36/0x1c0 [ 731.929251] ? pmd_devmap_trans_unstable+0x220/0x220 [ 731.934365] ? mark_held_locks+0x130/0x130 [ 731.938604] ? mark_held_locks+0x130/0x130 [ 731.942846] ? debug_smp_processor_id+0x1c/0x20 [ 731.947527] ? perf_trace_lock+0x14d/0x7a0 [ 731.951762] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 731.956368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.961917] __handle_mm_fault+0x3ea0/0x5be0 [ 731.966337] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 731.971186] ? lock_is_held_type+0x210/0x210 [ 731.975610] ? preempt_notifier_register+0x200/0x200 [ 731.980716] ? __switch_to_asm+0x34/0x70 [ 731.984780] ? __switch_to_asm+0x34/0x70 [ 731.988861] ? zap_class+0x640/0x640 [ 731.992574] ? zap_class+0x640/0x640 [ 731.996293] ? __x64_sys_futex+0x53e/0x6a0 [ 732.000534] ? find_held_lock+0x36/0x1c0 [ 732.004609] ? handle_mm_fault+0x42a/0xc70 [ 732.008847] ? lock_downgrade+0x900/0x900 [ 732.012997] ? check_preemption_disabled+0x48/0x280 [ 732.018021] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 732.022953] ? kasan_check_read+0x11/0x20 [ 732.027102] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 732.032379] ? rcu_softirq_qs+0x20/0x20 [ 732.036359] ? trace_hardirqs_off_caller+0x310/0x310 [ 732.041471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.047012] ? check_preemption_disabled+0x48/0x280 [ 732.052041] handle_mm_fault+0x54f/0xc70 [ 732.056113] ? __handle_mm_fault+0x5be0/0x5be0 [ 732.060791] ? find_vma+0x34/0x190 [ 732.064343] __do_page_fault+0x5e8/0xe60 [ 732.068404] ? trace_hardirqs_off+0xb8/0x310 [ 732.072824] do_page_fault+0xf2/0x7e0 [ 732.076628] ? vmalloc_sync_all+0x30/0x30 [ 732.080783] ? error_entry+0x70/0xd0 [ 732.084505] ? trace_hardirqs_off_caller+0xbb/0x310 [ 732.089523] ? trace_hardirqs_on_caller+0xc0/0x310 [ 732.094461] ? syscall_return_slowpath+0x5e0/0x5e0 [ 732.099396] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.104245] ? trace_hardirqs_on_caller+0x310/0x310 [ 732.109747] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 732.115211] ? prepare_exit_to_usermode+0x291/0x3b0 [ 732.120233] ? page_fault+0x8/0x30 [ 732.123777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.129186] ? page_fault+0x8/0x30 [ 732.132738] page_fault+0x1e/0x30 [ 732.136193] RIP: 0033:0x40f9c0 [ 732.139405] Code: Bad RIP value. [ 732.142789] RSP: 002b:000000c42001eef8 EFLAGS: 00010216 [ 732.148151] RAX: ffffffffffffff92 RBX: 000000003b96d89b RCX: 000000000045ddf3 [ 732.155420] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 732.162693] RBP: 000000c42001ef20 R08: 0000000000000000 R09: 0000000000000000 [ 732.169959] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001 [ 732.177229] R13: 000000c42a612b40 R14: 0000000000000001 R15: 0000000000000000 [ 732.184535] CPU: 0 PID: 3424 Comm: kworker/0:2 Not tainted 4.20.0-rc1+ #144 [ 732.184608] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 732.191643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 732.191668] Workqueue: events_long br_fdb_cleanup [ 732.191682] Call Trace: [ 732.198295] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 732.207539] dump_stack+0x244/0x39d [ 732.212358] syz-fuzzer cpuset=/ mems_allowed=0 [ 732.214944] ? dump_stack_print_info.cold.1+0x20/0x20 [ 732.238531] warn_alloc.cold.116+0xb7/0x1bd [ 732.242861] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 732.247734] ? lock_downgrade+0x900/0x900 [ 732.251908] ? trace_hardirqs_off+0xb8/0x310 [ 732.256326] ? trace_hardirqs_off+0xb8/0x310 [ 732.260746] __alloc_pages_slowpath+0x26e8/0x2e10 [ 732.265624] ? warn_alloc+0x120/0x120 [ 732.269435] ? warn_alloc+0x120/0x120 [ 732.273261] ? __bfs+0xb0/0x780 [ 732.276546] ? warn_alloc+0x120/0x120 [ 732.280349] ? print_usage_bug+0xc0/0xc0 [ 732.284412] ? lockdep_on+0x50/0x50 [ 732.288048] ? print_bfs_bug+0x80/0x80 [ 732.291950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.297491] ? should_fail+0x22d/0xd01 [ 732.301391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 732.306499] ? __lock_acquire+0x62f/0x4c20 [ 732.310748] ? __lock_acquire+0x2aff/0x4c20 [ 732.315069] ? should_fail+0x22d/0xd01 [ 732.318973] ? mark_held_locks+0x130/0x130 [ 732.323214] ? mark_held_locks+0x130/0x130 [ 732.327458] ? mark_held_locks+0x130/0x130 [ 732.331696] ? __lock_acquire+0x62f/0x4c20 [ 732.335942] ? zap_class+0x640/0x640 [ 732.339665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.345207] ? check_preemption_disabled+0x48/0x280 [ 732.350242] ? __lock_is_held+0xb5/0x140 [ 732.354312] __alloc_pages_nodemask+0xa80/0xde0 [ 732.358985] ? zap_class+0x640/0x640 [ 732.362713] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 732.367746] ? find_held_lock+0x36/0x1c0 [ 732.371819] ? ____cache_alloc_node+0x1c7/0x1e0 [ 732.376499] ? lock_downgrade+0x900/0x900 [ 732.380661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.386207] cache_grow_begin+0xa5/0x8c0 [ 732.390274] ? do_raw_spin_unlock+0xa7/0x330 [ 732.394696] fallback_alloc+0x204/0x2e0 [ 732.398688] ____cache_alloc_node+0x1c7/0x1e0 [ 732.403196] kmem_cache_alloc_node+0xe3/0x730 [ 732.407694] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 732.412630] ? kasan_check_read+0x11/0x20 [ 732.416790] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 732.422081] __alloc_skb+0x119/0x770 [ 732.425803] ? netdev_alloc_frag+0x1f0/0x1f0 [ 732.430216] ? call_switchdev_notifiers+0x43/0x60 [ 732.435128] ? br_switchdev_fdb_notify+0xd1/0x5d0 [ 732.439981] ? br_switchdev_set_port_flag+0x3c0/0x3c0 [ 732.445178] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 732.450111] ? kasan_check_read+0x11/0x20 [ 732.454260] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 732.459540] ? rcu_softirq_qs+0x20/0x20 [ 732.463529] fdb_notify+0x9e/0x180 [ 732.467075] fdb_delete+0x803/0x1200 [ 732.470801] ? fdb_create+0x1710/0x1710 [ 732.474782] ? mark_held_locks+0xc7/0x130 [ 732.478934] ? mod_delayed_work_on+0x1c5/0x260 [ 732.483528] ? lock_acquire+0x1ed/0x520 [ 732.487508] ? br_fdb_cleanup+0x186/0x630 [ 732.491668] ? kasan_check_read+0x11/0x20 [ 732.495822] ? do_raw_spin_lock+0x14f/0x350 [ 732.500145] ? rwlock_bug.part.2+0x90/0x90 [ 732.504382] ? rcu_softirq_qs+0x20/0x20 [ 732.508371] br_fdb_cleanup+0x4f0/0x630 [ 732.512356] ? br_fdb_change_mac_address+0x540/0x540 [ 732.517470] ? __lock_is_held+0xb5/0x140 [ 732.521552] process_one_work+0xc90/0x1c40 [ 732.525789] ? mark_held_locks+0x130/0x130 [ 732.530038] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 732.534712] ? __switch_to_asm+0x40/0x70 [ 732.538772] ? __switch_to_asm+0x40/0x70 [ 732.542834] ? __switch_to_asm+0x34/0x70 [ 732.546892] ? __switch_to_asm+0x40/0x70 [ 732.550954] ? __switch_to_asm+0x34/0x70 [ 732.555012] ? __switch_to_asm+0x40/0x70 [ 732.559069] ? __switch_to_asm+0x34/0x70 [ 732.563127] ? __switch_to_asm+0x40/0x70 [ 732.567195] ? __schedule+0x8d7/0x21d0 [ 732.571085] ? __switch_to_asm+0x34/0x70 [ 732.575168] ? zap_class+0x640/0x640 [ 732.578892] ? __sched_text_start+0x8/0x8 [ 732.583059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.588604] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 732.593207] ? lock_acquire+0x1ed/0x520 [ 732.597187] ? worker_thread+0x3e0/0x1390 [ 732.601347] ? kasan_check_read+0x11/0x20 [ 732.605500] ? do_raw_spin_lock+0x14f/0x350 [ 732.609824] ? kasan_check_read+0x11/0x20 [ 732.613977] ? rwlock_bug.part.2+0x90/0x90 [ 732.618212] ? trace_hardirqs_on+0x310/0x310 [ 732.622639] worker_thread+0x17f/0x1390 [ 732.626613] ? __switch_to_asm+0x34/0x70 [ 732.630697] ? process_one_work+0x1c40/0x1c40 [ 732.635212] ? zap_class+0x640/0x640 [ 732.638960] ? __kthread_parkme+0xce/0x1a0 [ 732.643201] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 732.648305] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 732.653413] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 732.658011] ? trace_hardirqs_on+0xbd/0x310 [ 732.662333] ? kasan_check_read+0x11/0x20 [ 732.666660] ? __kthread_parkme+0xce/0x1a0 [ 732.670897] ? trace_hardirqs_off_caller+0x310/0x310 [ 732.676008] ? trace_hardirqs_off_caller+0x310/0x310 [ 732.681125] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 732.686233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.691775] ? __kthread_parkme+0xfb/0x1a0 [ 732.696016] ? process_one_work+0x1c40/0x1c40 [ 732.700522] kthread+0x35a/0x440 [ 732.703893] ? kthread_stop+0x900/0x900 [ 732.707875] ret_from_fork+0x3a/0x50 [ 732.711616] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #144 [ 732.711630] warn_alloc_show_mem: 1 callbacks suppressed [ 732.711634] Mem-Info: [ 732.718633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 732.718644] Call Trace: [ 732.724019] active_anon:59166 inactive_anon:6579 isolated_anon:0 [ 732.724019] active_file:14 inactive_file:14 isolated_file:0 [ 732.724019] unevictable:0 dirty:0 writeback:0 unstable:0 [ 732.724019] slab_reclaimable:9587 slab_unreclaimable:1439204 [ 732.724019] mapped:32770 shmem:12529 pagetables:543 bounce:0 [ 732.724019] free:13772 free_pcp:380 free_cma:0 [ 732.726389] [ 732.735760] Node 0 active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 732.738350] dump_stack+0x244/0x39d [ 732.771481] 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 [ 732.773648] ? dump_stack_print_info.cold.1+0x20/0x20 [ 732.801472] lowmem_reserve[]: 0 2818 6321 6321 [ 732.805117] warn_alloc.cold.116+0xb7/0x1bd [ 732.831194] Node 0 DMA32 free:25212kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 732.836390] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 732.840940] lowmem_reserve[]: 0 0 3503 3503 [ 732.845280] ? lock_downgrade+0x900/0x900 [ 732.872759] Node 0 Normal free:13968kB min:37364kB low:46704kB high:56044kB active_anon:236664kB inactive_anon:26316kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2172kB bounce:0kB free_pcp:1272kB local_pcp:248kB free_cma:0kB [ 732.877621] ? trace_hardirqs_off+0xb8/0x310 [ 732.881911] lowmem_reserve[]: 0 0 0 0 [ 732.886055] ? trace_hardirqs_off+0xb8/0x310 [ 732.915188] 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 [ 732.919606] __alloc_pages_slowpath+0x26e8/0x2e10 [ 732.923369] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 2*16kB (UM) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25212kB [ 732.927810] ? warn_alloc+0x120/0x120 [ 732.941308] Node 0 Normal: 1664*4kB (UMEH) 542*8kB (UMEH) 120*16kB (MEH) 31*32kB (UMEH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13968kB [ 732.946156] ? print_usage_bug+0xc0/0xc0 [ 732.961407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 732.965213] ? warn_alloc+0x120/0x120 [ 732.979798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 732.979808] 12557 total pagecache pages [ 732.983876] ? warn_alloc+0x120/0x120 [ 732.992684] 0 pages in swap cache [ 732.996492] ? print_usage_bug+0xc0/0xc0 [ 733.005055] Swap cache stats: add 0, delete 0, find 0/0 [ 733.009029] ? kvm_clock_read+0x18/0x30 [ 733.012803] Free swap = 0kB [ 733.016254] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 733.020288] Total swap = 0kB [ 733.025651] ? print_usage_bug+0xc0/0xc0 [ 733.029604] 1965979 pages RAM [ 733.032616] ? __lock_acquire+0x62f/0x4c20 [ 733.037606] 0 pages HighMem/MovableOnly [ 733.037615] 342853 pages reserved [ 733.040632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.044662] 0 pages cma reserved [ 733.047765] ? should_fail+0x22d/0xd01 [ 733.052930] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 733.055946] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 733.059378] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 733.064910] ? __lock_acquire+0x62f/0x4c20 [ 733.096409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 733.101523] ? __lock_acquire+0x62f/0x4c20 [ 733.106244] ? should_fail+0x22d/0xd01 [ 733.110149] ? mark_held_locks+0x130/0x130 [ 733.114389] ? mark_held_locks+0x130/0x130 [ 733.118636] ? zap_class+0x640/0x640 [ 733.122355] ? print_usage_bug+0xc0/0xc0 [ 733.126422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.131971] ? check_preemption_disabled+0x48/0x280 [ 733.137010] ? __lock_is_held+0xb5/0x140 [ 733.141083] __alloc_pages_nodemask+0xa80/0xde0 [ 733.145753] ? zap_class+0x640/0x640 [ 733.149480] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 733.154508] ? find_held_lock+0x36/0x1c0 [ 733.158583] ? ____cache_alloc_node+0x1c7/0x1e0 [ 733.163254] ? lock_downgrade+0x900/0x900 [ 733.167413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.172966] cache_grow_begin+0xa5/0x8c0 [ 733.177029] ? do_raw_spin_unlock+0xa7/0x330 [ 733.181468] fallback_alloc+0x204/0x2e0 [ 733.185463] ____cache_alloc_node+0x1c7/0x1e0 [ 733.189967] kmem_cache_alloc_node+0xe3/0x730 [ 733.194474] ? ipv6_get_ifaddr+0x42e/0x620 [ 733.198724] __alloc_skb+0x119/0x770 [ 733.202437] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 733.207734] ? netdev_alloc_frag+0x1f0/0x1f0 [ 733.212148] ? lock_downgrade+0x900/0x900 [ 733.216307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.221852] ? refcount_sub_and_test_checked+0x203/0x310 [ 733.227307] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 733.232759] ? addrconf_rs_timer+0x690/0x690