[ 206.566261] ? kasan_check_read+0x11/0x20 [ 206.570415] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 206.575700] ? generic_perform_write+0x6a0/0x6a0 [ 206.580465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.586007] ? check_preemption_disabled+0x48/0x280 [ 206.591034] filemap_fault+0x1595/0x25f0 [ 206.595116] ? __lock_page_or_retry+0xa00/0xa00 [ 206.599794] ? mark_held_locks+0x130/0x130 [ 206.604045] ? filemap_map_pages+0xd6b/0x1a20 [ 206.608549] ? lock_downgrade+0x900/0x900 [ 206.612699] ? check_preemption_disabled+0x48/0x280 [ 206.617723] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 206.622660] ? kasan_check_read+0x11/0x20 [ 206.626811] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 206.632089] ? rcu_softirq_qs+0x20/0x20 [ 206.636084] ? filemap_map_pages+0xd92/0x1a20 [ 206.640586] ? print_usage_bug+0xc0/0xc0 [ 206.644659] ? find_get_entries_tag+0x1400/0x1400 [ 206.649510] ? __kasan_slab_free+0x102/0x150 [ 206.653928] ? kasan_slab_free+0xe/0x10 [ 206.657906] ? kmem_cache_free+0x83/0x290 [ 206.662058] ? __sigqueue_free.part.29+0x74/0x90 [ 206.666837] ? lock_acquire+0x1ed/0x520 [ 206.670816] ? ext4_filemap_fault+0x7a/0xad [ 206.675153] ? lock_release+0xa00/0xa00 [ 206.679128] ? perf_trace_sched_process_exec+0x860/0x860 [ 206.684581] ? print_usage_bug+0xc0/0xc0 [ 206.688648] ? print_usage_bug+0xc0/0xc0 [ 206.692724] ? down_read+0x8d/0x120 [ 206.696356] ? ext4_filemap_fault+0x7a/0xad [ 206.700683] ? __down_interruptible+0x700/0x700 [ 206.705364] ext4_filemap_fault+0x82/0xad [ 206.709519] __do_fault+0x100/0x6b0 [ 206.713156] ? pmd_devmap_trans_unstable+0x220/0x220 [ 206.718276] ? mark_held_locks+0x130/0x130 [ 206.722527] ? mark_held_locks+0x130/0x130 [ 206.726771] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 206.732317] ? rcu_pm_notify+0xc0/0xc0 [ 206.736231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.741778] __handle_mm_fault+0x3ea0/0x5be0 [ 206.746208] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 206.751049] ? _raw_spin_unlock_irq+0x27/0x80 [ 206.755555] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 206.760146] ? trace_hardirqs_on+0xbd/0x310 [ 206.764475] ? kasan_check_read+0x11/0x20 [ 206.768627] ? __set_current_blocked+0xdf/0x120 [ 206.773305] ? trace_hardirqs_off_caller+0x310/0x310 [ 206.778427] ? zap_class+0x640/0x640 [ 206.782143] ? zap_class+0x640/0x640 [ 206.785866] ? find_held_lock+0x36/0x1c0 [ 206.789944] ? handle_mm_fault+0x42a/0xc70 [ 206.794185] ? lock_downgrade+0x900/0x900 [ 206.798352] ? check_preemption_disabled+0x48/0x280 [ 206.803378] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 206.808319] ? kasan_check_read+0x11/0x20 [ 206.812469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 206.817752] ? rcu_softirq_qs+0x20/0x20 [ 206.821732] ? trace_hardirqs_off_caller+0x310/0x310 [ 206.826843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.832394] ? check_preemption_disabled+0x48/0x280 [ 206.837426] handle_mm_fault+0x54f/0xc70 [ 206.841495] ? __handle_mm_fault+0x5be0/0x5be0 [ 206.846085] ? find_vma+0x34/0x190 [ 206.849636] __do_page_fault+0x5e8/0xe60 [ 206.853707] ? exit_to_usermode_loop+0x1f4/0x380 [ 206.858480] do_page_fault+0xf2/0x7e0 [ 206.862285] ? vmalloc_sync_all+0x30/0x30 [ 206.866440] ? error_entry+0x70/0xd0 [ 206.870162] ? trace_hardirqs_off_caller+0xbb/0x310 [ 206.875201] ? trace_hardirqs_on_caller+0xc0/0x310 [ 206.880138] ? syscall_return_slowpath+0x5e0/0x5e0 [ 206.885072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 206.889919] ? trace_hardirqs_on_caller+0x310/0x310 [ 206.894941] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 206.900402] ? prepare_exit_to_usermode+0x291/0x3b0 [ 206.905426] ? page_fault+0x8/0x30 [ 206.908979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 206.913830] ? page_fault+0x8/0x30 [ 206.917376] page_fault+0x1e/0x30 [ 206.920830] RIP: 0033:0x45db60 [ 206.924040] Code: Bad RIP value. [ 206.927407] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 206.932769] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 206.940043] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 206.947316] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 206.954585] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 206.961857] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 206.969210] aoe: skb alloc failure [ 206.972815] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 206.983035] syz-fuzzer cpuset=/ mems_allowed=0 [ 206.987634] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 206.994555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 207.003903] Call Trace: [ 207.006488] [ 207.008645] dump_stack+0x244/0x39d [ 207.012284] ? dump_stack_print_info.cold.1+0x20/0x20 [ 207.017493] warn_alloc.cold.116+0xb7/0x1bd [ 207.021820] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 207.026675] ? lock_downgrade+0x900/0x900 [ 207.030840] ? trace_hardirqs_off+0xb8/0x310 [ 207.035260] ? trace_hardirqs_off+0xb8/0x310 [ 207.039686] __alloc_pages_slowpath+0x26e8/0x2e10 [ 207.044565] ? warn_alloc+0x120/0x120 [ 207.048377] ? warn_alloc+0x120/0x120 [ 207.052689] ? warn_alloc+0x120/0x120 [ 207.056499] ? print_usage_bug+0xc0/0xc0 [ 207.060571] ? print_usage_bug+0xc0/0xc0 [ 207.064641] ? mark_held_locks+0x130/0x130 [ 207.068886] ? check_preemption_disabled+0x48/0x280 [ 207.073904] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 207.078410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.083954] ? should_fail+0x22d/0xd01 [ 207.087844] ? kasan_check_read+0x11/0x20 [ 207.092001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 207.097115] ? __lock_acquire+0x62f/0x4c20 [ 207.101359] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 207.106465] ? should_fail+0x22d/0xd01 [ 207.110359] ? zap_class+0x640/0x640 [ 207.114087] ? mark_held_locks+0x130/0x130 [ 207.118328] ? mark_held_locks+0x130/0x130 [ 207.122571] ? zap_class+0x640/0x640 [ 207.126291] ? zap_class+0x640/0x640 [ 207.130007] ? up+0xea/0x1c0 [ 207.133038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.138585] ? check_preemption_disabled+0x48/0x280 [ 207.143614] ? __lock_is_held+0xb5/0x140 [ 207.147684] __alloc_pages_nodemask+0xa80/0xde0 [ 207.152361] ? zap_class+0x640/0x640 [ 207.156085] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 207.161120] ? find_held_lock+0x36/0x1c0 [ 207.165211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 207.169892] ? lock_downgrade+0x900/0x900 [ 207.174055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.179598] cache_grow_begin+0xa5/0x8c0 [ 207.183662] ? do_raw_spin_unlock+0xa7/0x330 [ 207.188086] fallback_alloc+0x204/0x2e0 [ 207.192068] ____cache_alloc_node+0x1c7/0x1e0 [ 207.196573] kmem_cache_alloc_node+0xe3/0x730 [ 207.201070] ? __kmalloc_node_track_caller+0x50/0x70 [ 207.206186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.211738] __alloc_skb+0x119/0x770 [ 207.215544] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 207.220920] ? netdev_alloc_frag+0x1f0/0x1f0 [ 207.225340] ? vprintk_default+0x28/0x30 [ 207.229404] ? vprintk_func+0x85/0x181 [ 207.233298] ? printk+0xa7/0xcf [ 207.236588] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 207.241350] ? trace_hardirqs_off+0xb8/0x310 [ 207.245773] new_skb+0x26/0x1c0 [ 207.249059] aoecmd_cfg+0x279/0x7f0 [ 207.252703] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 207.257039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.262598] ? __lock_is_held+0xb5/0x140 [ 207.266673] discover_timer+0x50/0x60 [ 207.270481] call_timer_fn+0x272/0x920 [ 207.274377] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 207.279223] ? process_timeout+0x40/0x40 [ 207.283302] ? mark_held_locks+0xc7/0x130 [ 207.287458] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.291955] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.296457] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 207.301303] ? lockdep_hardirqs_on+0x296/0x5b0 [ 207.305890] ? trace_hardirqs_on+0xbd/0x310 [ 207.310221] ? kasan_check_read+0x11/0x20 [ 207.314374] ? __run_timers+0x7da/0xc70 [ 207.318354] ? trace_hardirqs_off_caller+0x310/0x310 [ 207.323480] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 207.328328] __run_timers+0x7e5/0xc70 [ 207.332157] ? timer_fixup_init+0x70/0x70 [ 207.336311] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 207.341331] ? zap_class+0x640/0x640 [ 207.345053] ? print_usage_bug+0xc0/0xc0 [ 207.349119] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 207.354328] ? find_held_lock+0x36/0x1c0 [ 207.358401] ? zap_class+0x640/0x640 [ 207.362124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.367676] ? check_preemption_disabled+0x48/0x280 [ 207.372716] ? __lock_is_held+0xb5/0x140 [ 207.376786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.382338] ? check_preemption_disabled+0x48/0x280 [ 207.387385] run_timer_softirq+0x52/0xb0 [ 207.391454] ? rcu_read_lock_sched_held+0x14f/0x180 [ 207.396473] __do_softirq+0x308/0xb7e [ 207.400283] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 207.404780] ? lock_downgrade+0x900/0x900 [ 207.408934] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 207.414049] ? pvclock_read_flags+0x160/0x160 [ 207.418553] ? lapic_next_event+0x5a/0x90 [ 207.422715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.428263] ? kvm_clock_read+0x18/0x30 [ 207.432244] ? kvm_sched_clock_read+0x9/0x20 [ 207.436658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.442206] ? check_preemption_disabled+0x48/0x280 [ 207.447241] irq_exit+0x17f/0x1c0 [ 207.450704] smp_apic_timer_interrupt+0x1cb/0x760 [ 207.455548] ? smp_reschedule_interrupt+0x109/0x650 [ 207.460582] ? smp_call_function_single_interrupt+0x650/0x650 [ 207.466475] ? interrupt_entry+0xb5/0xc0 [ 207.470546] ? trace_hardirqs_off_caller+0xbb/0x310 [ 207.475664] ? trace_hardirqs_off_caller+0xbb/0x310 [ 207.480694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.485540] ? trace_hardirqs_on_caller+0x310/0x310 [ 207.490560] ? trace_hardirqs_on_caller+0x310/0x310 [ 207.495577] ? task_prio+0x50/0x50 [ 207.499120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.504675] ? check_preemption_disabled+0x48/0x280 [ 207.509709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.514568] apic_timer_interrupt+0xf/0x20 [ 207.518803] [ 207.521048] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 207.526073] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 207.544976] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 207.552688] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 207.559961] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 207.567232] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 207.574507] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 207.581776] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 207.589084] rcu_read_lock_held+0xa9/0xc0 [ 207.593245] css_next_child+0x2a2/0x620 [ 207.597239] ? cgroup_mount+0xd30/0xd30 [ 207.601233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.606773] ? check_preemption_disabled+0x48/0x280 [ 207.611810] ? __lock_is_held+0xb5/0x140 [ 207.615893] css_next_descendant_pre+0xeb/0x190 [ 207.620574] mem_cgroup_iter+0x42f/0x1160 [ 207.624731] ? kasan_check_write+0x14/0x20 [ 207.628981] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 207.633745] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 207.638769] ? shrink_slab+0xfa/0x8c0 [ 207.642849] ? shrink_active_list+0x1f00/0x1f00 [ 207.647534] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 207.653167] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 207.658284] ? cgroup_procs_write_finish+0xf0/0xf0 [ 207.663230] ? find_held_lock+0x36/0x1c0 [ 207.667296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.672839] ? vmpressure+0x1a2/0x340 [ 207.676647] shrink_node+0x516/0x16b0 [ 207.680456] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 207.685789] ? shrink_node_memcg+0x18f0/0x18f0 [ 207.690381] ? kvm_clock_read+0x18/0x30 [ 207.694361] ? ktime_get+0x2c1/0x400 [ 207.698081] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 207.702590] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 207.708138] ? __cpuset_node_allowed+0x19b/0x660 [ 207.712903] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 207.718616] ? delayacct_end+0x5a/0x100 [ 207.722614] do_try_to_free_pages+0x3e7/0x1290 [ 207.727206] ? zap_class+0x640/0x640 [ 207.730940] ? shrink_node+0x16b0/0x16b0 [ 207.735007] ? __lock_is_held+0xb5/0x140 [ 207.739084] try_to_free_pages+0x4d0/0xb90 [ 207.743331] ? do_try_to_free_pages+0x1290/0x1290 [ 207.748196] ? lock_acquire+0x1ed/0x520 [ 207.752175] ? set_page_refcounted+0x280/0x280 [ 207.756771] ? lock_release+0xa00/0xa00 [ 207.760750] ? _raw_spin_unlock_irq+0x60/0x80 [ 207.765253] ? psi_memstall_enter+0x240/0x2b0 [ 207.769757] ? psi_memstall_tick+0x230/0x230 [ 207.774186] __alloc_pages_slowpath+0xa14/0x2e10 [ 207.778977] ? warn_alloc+0x120/0x120 [ 207.782784] ? mark_held_locks+0x130/0x130 [ 207.787038] ? find_get_entry+0xaae/0x1120 [ 207.791291] ? filemap_map_pages+0x1a20/0x1a20 [ 207.795891] ? zap_class+0x640/0x640 [ 207.799617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.805168] ? check_preemption_disabled+0x48/0x280 [ 207.810667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.816214] ? should_fail+0x22d/0xd01 [ 207.820122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 207.825230] ? zap_class+0x640/0x640 [ 207.828972] ? __lock_is_held+0xb5/0x140 [ 207.833047] ? mark_held_locks+0x130/0x130 [ 207.837300] ? lock_release+0xa00/0xa00 [ 207.841282] ? perf_trace_sched_process_exec+0x860/0x860 [ 207.846739] ? xa_load+0x2ba/0x460 [ 207.850290] ? lock_downgrade+0x900/0x900 [ 207.854446] ? __might_sleep+0x95/0x190 [ 207.858431] __alloc_pages_nodemask+0xa80/0xde0 [ 207.863124] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 207.868148] ? __page_cache_alloc+0x191/0x5c0 [ 207.872655] ? xa_load+0x2e1/0x460 [ 207.876206] ? xa_clear_mark+0x40/0x40 [ 207.880110] ? zap_class+0x640/0x640 [ 207.883836] ? zap_class+0x640/0x640 [ 207.887551] ? zap_class+0x640/0x640 [ 207.891270] ? __do_page_cache_readahead+0x663/0x810 [ 207.896385] ? find_held_lock+0x36/0x1c0 [ 207.900463] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 207.906018] alloc_pages_current+0x173/0x350 [ 207.910437] __page_cache_alloc+0x38c/0x5c0 [ 207.914760] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 207.919691] ? kasan_check_read+0x11/0x20 [ 207.923846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 207.929138] ? generic_perform_write+0x6a0/0x6a0 [ 207.933903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 207.939448] ? check_preemption_disabled+0x48/0x280 [ 207.944483] filemap_fault+0x1595/0x25f0 [ 207.948566] ? __lock_page_or_retry+0xa00/0xa00 [ 207.953246] ? mark_held_locks+0x130/0x130 [ 207.957491] ? filemap_map_pages+0xd6b/0x1a20 [ 207.961993] ? lock_downgrade+0x900/0x900 [ 207.966233] ? check_preemption_disabled+0x48/0x280 [ 207.971260] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 207.976191] ? kasan_check_read+0x11/0x20 [ 207.980343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 207.985624] ? rcu_softirq_qs+0x20/0x20 [ 207.989709] ? filemap_map_pages+0xd92/0x1a20 [ 207.994220] ? print_usage_bug+0xc0/0xc0 [ 207.998296] ? find_get_entries_tag+0x1400/0x1400 [ 208.003146] ? __kasan_slab_free+0x102/0x150 [ 208.007555] ? kasan_slab_free+0xe/0x10 [ 208.011530] ? kmem_cache_free+0x83/0x290 [ 208.015768] ? __sigqueue_free.part.29+0x74/0x90 [ 208.020549] ? lock_acquire+0x1ed/0x520 [ 208.024525] ? ext4_filemap_fault+0x7a/0xad [ 208.028862] ? lock_release+0xa00/0xa00 [ 208.032843] ? perf_trace_sched_process_exec+0x860/0x860 [ 208.038304] ? print_usage_bug+0xc0/0xc0 [ 208.042369] ? print_usage_bug+0xc0/0xc0 [ 208.046448] ? down_read+0x8d/0x120 [ 208.050079] ? ext4_filemap_fault+0x7a/0xad [ 208.054500] ? __down_interruptible+0x700/0x700 [ 208.059187] ext4_filemap_fault+0x82/0xad [ 208.063342] __do_fault+0x100/0x6b0 [ 208.066982] ? pmd_devmap_trans_unstable+0x220/0x220 [ 208.072101] ? mark_held_locks+0x130/0x130 [ 208.076341] ? mark_held_locks+0x130/0x130 [ 208.080586] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 208.086131] ? rcu_pm_notify+0xc0/0xc0 [ 208.090029] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.095581] __handle_mm_fault+0x3ea0/0x5be0 [ 208.100010] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 208.104857] ? _raw_spin_unlock_irq+0x27/0x80 [ 208.109361] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 208.113952] ? trace_hardirqs_on+0xbd/0x310 [ 208.118278] ? kasan_check_read+0x11/0x20 [ 208.122428] ? __set_current_blocked+0xdf/0x120 [ 208.127109] ? trace_hardirqs_off_caller+0x310/0x310 [ 208.132229] ? zap_class+0x640/0x640 [ 208.135961] ? zap_class+0x640/0x640 [ 208.139684] ? find_held_lock+0x36/0x1c0 [ 208.143761] ? handle_mm_fault+0x42a/0xc70 [ 208.148006] ? lock_downgrade+0x900/0x900 [ 208.152162] ? check_preemption_disabled+0x48/0x280 [ 208.157189] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 208.162120] ? kasan_check_read+0x11/0x20 [ 208.166271] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 208.171551] ? rcu_softirq_qs+0x20/0x20 [ 208.175532] ? trace_hardirqs_off_caller+0x310/0x310 [ 208.180645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.186187] ? check_preemption_disabled+0x48/0x280 [ 208.191220] handle_mm_fault+0x54f/0xc70 [ 208.195289] ? __handle_mm_fault+0x5be0/0x5be0 [ 208.199881] ? find_vma+0x34/0x190 [ 208.203430] __do_page_fault+0x5e8/0xe60 [ 208.207495] ? exit_to_usermode_loop+0x1f4/0x380 [ 208.212263] do_page_fault+0xf2/0x7e0 [ 208.216067] ? vmalloc_sync_all+0x30/0x30 [ 208.220229] ? error_entry+0x70/0xd0 [ 208.223948] ? trace_hardirqs_off_caller+0xbb/0x310 [ 208.228972] ? trace_hardirqs_on_caller+0xc0/0x310 [ 208.233904] ? syscall_return_slowpath+0x5e0/0x5e0 [ 208.238835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.243684] ? trace_hardirqs_on_caller+0x310/0x310 [ 208.248703] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 208.254165] ? prepare_exit_to_usermode+0x291/0x3b0 [ 208.259187] ? page_fault+0x8/0x30 [ 208.262734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.267587] ? page_fault+0x8/0x30 [ 208.271139] page_fault+0x1e/0x30 [ 208.274594] RIP: 0033:0x45db60 [ 208.277816] Code: Bad RIP value. [ 208.281183] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 208.286547] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 208.293819] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 208.301092] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 208.308359] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 208.315634] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 208.322933] warn_alloc_show_mem: 1 callbacks suppressed [ 208.322938] Mem-Info: [ 208.330720] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 208.330720] active_file:12 inactive_file:11 isolated_file:0 [ 208.330720] unevictable:0 dirty:0 writeback:0 unstable:0 [ 208.330720] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 208.330720] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 208.330720] free:13782 free_pcp:358 free_cma:0 [ 208.363651] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 208.391151] 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 [ 208.417308] lowmem_reserve[]: 0 2818 6321 6321 [ 208.421908] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 208.449956] lowmem_reserve[]: 0 0 3503 3503 [ 208.454302] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB [ 208.483390] lowmem_reserve[]: 0 0 0 0 [ 208.487201] 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 [ 208.500788] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 208.516032] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 208.531027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 208.539872] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 208.548446] 266 total pagecache pages [ 208.552265] 0 pages in swap cache [ 208.555718] Swap cache stats: add 0, delete 0, find 0/0 [ 208.561074] Free swap = 0kB [ 208.564088] Total swap = 0kB [ 208.567101] 1965979 pages RAM [ 208.570205] 0 pages HighMem/MovableOnly [ 208.574173] 342854 pages reserved [ 208.577621] 0 pages cma reserved [ 208.581032] aoe: skb alloc failure [ 208.584648] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 208.594870] syz-fuzzer cpuset=/ mems_allowed=0 [ 208.599469] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 208.606396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 208.615747] Call Trace: [ 208.618326] [ 208.620487] dump_stack+0x244/0x39d [ 208.624129] ? dump_stack_print_info.cold.1+0x20/0x20 [ 208.629335] warn_alloc.cold.116+0xb7/0x1bd [ 208.633662] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 208.638524] ? lock_downgrade+0x900/0x900 [ 208.642683] ? trace_hardirqs_off+0xb8/0x310 [ 208.647107] ? trace_hardirqs_off+0xb8/0x310 [ 208.651532] __alloc_pages_slowpath+0x26e8/0x2e10 [ 208.656402] ? warn_alloc+0x120/0x120 [ 208.660211] ? warn_alloc+0x120/0x120 [ 208.664023] ? warn_alloc+0x120/0x120 [ 208.667840] ? print_usage_bug+0xc0/0xc0 [ 208.671907] ? print_usage_bug+0xc0/0xc0 [ 208.675976] ? mark_held_locks+0x130/0x130 [ 208.680220] ? check_preemption_disabled+0x48/0x280 [ 208.685240] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 208.689742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.695283] ? should_fail+0x22d/0xd01 [ 208.699231] ? kasan_check_read+0x11/0x20 [ 208.703397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.708507] ? __lock_acquire+0x62f/0x4c20 [ 208.712753] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.717864] ? should_fail+0x22d/0xd01 [ 208.721755] ? zap_class+0x640/0x640 [ 208.725495] ? mark_held_locks+0x130/0x130 [ 208.729735] ? mark_held_locks+0x130/0x130 [ 208.733977] ? zap_class+0x640/0x640 [ 208.737698] ? zap_class+0x640/0x640 [ 208.741416] ? up+0xea/0x1c0 [ 208.744446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.749992] ? check_preemption_disabled+0x48/0x280 [ 208.755039] ? __lock_is_held+0xb5/0x140 [ 208.759113] __alloc_pages_nodemask+0xa80/0xde0 [ 208.763785] ? zap_class+0x640/0x640 [ 208.767509] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 208.772548] ? find_held_lock+0x36/0x1c0 [ 208.776630] ? ____cache_alloc_node+0x1c7/0x1e0 [ 208.781737] ? lock_downgrade+0x900/0x900 [ 208.785897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.791443] cache_grow_begin+0xa5/0x8c0 [ 208.795511] ? do_raw_spin_unlock+0xa7/0x330 [ 208.799936] fallback_alloc+0x204/0x2e0 [ 208.803926] ____cache_alloc_node+0x1c7/0x1e0 [ 208.808430] kmem_cache_alloc_node+0xe3/0x730 [ 208.812932] ? __kmalloc_node_track_caller+0x50/0x70 [ 208.818058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.823606] __alloc_skb+0x119/0x770 [ 208.827326] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 208.832712] ? netdev_alloc_frag+0x1f0/0x1f0 [ 208.837130] ? vprintk_default+0x28/0x30 [ 208.841195] ? vprintk_func+0x85/0x181 [ 208.845095] ? printk+0xa7/0xcf [ 208.848383] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 208.853151] ? trace_hardirqs_off+0xb8/0x310 [ 208.857574] new_skb+0x26/0x1c0 [ 208.860863] aoecmd_cfg+0x279/0x7f0 [ 208.864499] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 208.868835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.874391] ? __lock_is_held+0xb5/0x140 [ 208.878467] discover_timer+0x50/0x60 [ 208.882272] call_timer_fn+0x272/0x920 [ 208.886166] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 208.891009] ? process_timeout+0x40/0x40 [ 208.895091] ? mark_held_locks+0xc7/0x130 [ 208.899242] ? _raw_spin_unlock_irq+0x27/0x80 [ 208.903742] ? _raw_spin_unlock_irq+0x27/0x80 [ 208.908353] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 208.913200] ? lockdep_hardirqs_on+0x296/0x5b0 [ 208.917793] ? trace_hardirqs_on+0xbd/0x310 [ 208.922119] ? kasan_check_read+0x11/0x20 [ 208.926274] ? __run_timers+0x7da/0xc70 [ 208.930259] ? trace_hardirqs_off_caller+0x310/0x310 [ 208.935384] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 208.940231] __run_timers+0x7e5/0xc70 [ 208.944055] ? timer_fixup_init+0x70/0x70 [ 208.948214] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 208.953324] ? zap_class+0x640/0x640 [ 208.957047] ? print_usage_bug+0xc0/0xc0 [ 208.961117] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 208.966317] ? find_held_lock+0x36/0x1c0 [ 208.970385] ? zap_class+0x640/0x640 [ 208.974110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.979653] ? check_preemption_disabled+0x48/0x280 [ 208.984689] ? __lock_is_held+0xb5/0x140 [ 208.988759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.994307] ? check_preemption_disabled+0x48/0x280 [ 208.999334] run_timer_softirq+0x52/0xb0 [ 209.003402] ? rcu_read_lock_sched_held+0x14f/0x180 [ 209.008422] __do_softirq+0x308/0xb7e [ 209.012232] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 209.016733] ? lock_downgrade+0x900/0x900 [ 209.020890] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 209.026014] ? pvclock_read_flags+0x160/0x160 [ 209.030516] ? lapic_next_event+0x5a/0x90 [ 209.034676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.040221] ? kvm_clock_read+0x18/0x30 [ 209.044200] ? kvm_sched_clock_read+0x9/0x20 [ 209.048615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.054163] ? check_preemption_disabled+0x48/0x280 [ 209.059192] irq_exit+0x17f/0x1c0 [ 209.062653] smp_apic_timer_interrupt+0x1cb/0x760 [ 209.067503] ? smp_reschedule_interrupt+0x109/0x650 [ 209.072526] ? smp_call_function_single_interrupt+0x650/0x650 [ 209.078416] ? interrupt_entry+0xb5/0xc0 [ 209.082482] ? trace_hardirqs_off_caller+0xbb/0x310 [ 209.087506] ? trace_hardirqs_off_caller+0xbb/0x310 [ 209.092536] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.097381] ? trace_hardirqs_on_caller+0x310/0x310 [ 209.102410] ? trace_hardirqs_on_caller+0x310/0x310 [ 209.107430] ? task_prio+0x50/0x50 [ 209.110974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.116533] ? check_preemption_disabled+0x48/0x280 [ 209.121562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.126423] apic_timer_interrupt+0xf/0x20 [ 209.130657] [ 209.132900] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 209.137922] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 209.156825] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 209.164540] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 209.171813] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 209.179083] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 209.186355] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 209.193629] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 209.200940] rcu_read_lock_held+0xa9/0xc0 [ 209.205092] css_next_child+0x2a2/0x620 [ 209.209076] ? cgroup_mount+0xd30/0xd30 [ 209.213065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.218608] ? check_preemption_disabled+0x48/0x280 [ 209.223637] ? __lock_is_held+0xb5/0x140 [ 209.227717] css_next_descendant_pre+0xeb/0x190 [ 209.232393] mem_cgroup_iter+0x42f/0x1160 [ 209.236553] ? kasan_check_write+0x14/0x20 [ 209.240800] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 209.245558] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 209.250673] ? shrink_slab+0xfa/0x8c0 [ 209.254480] ? shrink_active_list+0x1f00/0x1f00 [ 209.259165] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 209.264796] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 209.269911] ? cgroup_procs_write_finish+0xf0/0xf0 [ 209.274852] ? find_held_lock+0x36/0x1c0 [ 209.278921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.284465] ? vmpressure+0x1a2/0x340 [ 209.288275] shrink_node+0x516/0x16b0 [ 209.292082] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 209.297392] ? shrink_node_memcg+0x18f0/0x18f0 [ 209.301993] ? kvm_clock_read+0x18/0x30 [ 209.305986] ? ktime_get+0x2c1/0x400 [ 209.309711] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 209.314215] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 209.319758] ? __cpuset_node_allowed+0x19b/0x660 [ 209.324530] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 209.330243] ? delayacct_end+0x5a/0x100 [ 209.334231] do_try_to_free_pages+0x3e7/0x1290 [ 209.338820] ? zap_class+0x640/0x640 [ 209.342564] ? shrink_node+0x16b0/0x16b0 [ 209.346635] ? __lock_is_held+0xb5/0x140 [ 209.350712] try_to_free_pages+0x4d0/0xb90 [ 209.354960] ? do_try_to_free_pages+0x1290/0x1290 [ 209.359828] ? lock_acquire+0x1ed/0x520 [ 209.363809] ? set_page_refcounted+0x280/0x280 [ 209.368401] ? lock_release+0xa00/0xa00 [ 209.372380] ? _raw_spin_unlock_irq+0x60/0x80 [ 209.376882] ? psi_memstall_enter+0x240/0x2b0 [ 209.381386] ? psi_memstall_tick+0x230/0x230 [ 209.385815] __alloc_pages_slowpath+0xa14/0x2e10 [ 209.390608] ? warn_alloc+0x120/0x120 [ 209.394411] ? mark_held_locks+0x130/0x130 [ 209.398655] ? find_get_entry+0xaae/0x1120 [ 209.402903] ? filemap_map_pages+0x1a20/0x1a20 [ 209.407492] ? zap_class+0x640/0x640 [ 209.411223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.416768] ? check_preemption_disabled+0x48/0x280 [ 209.421788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.427332] ? should_fail+0x22d/0xd01 [ 209.431227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 209.436341] ? zap_class+0x640/0x640 [ 209.440083] ? __lock_is_held+0xb5/0x140 [ 209.444164] ? mark_held_locks+0x130/0x130 [ 209.448404] ? lock_release+0xa00/0xa00 [ 209.452385] ? perf_trace_sched_process_exec+0x860/0x860 [ 209.457838] ? xa_load+0x2ba/0x460 [ 209.461382] ? lock_downgrade+0x900/0x900 [ 209.465544] ? __might_sleep+0x95/0x190 [ 209.469530] __alloc_pages_nodemask+0xa80/0xde0 [ 209.474216] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 209.479239] ? __page_cache_alloc+0x191/0x5c0 [ 209.483738] ? xa_load+0x2e1/0x460 [ 209.487281] ? xa_clear_mark+0x40/0x40 [ 209.491175] ? zap_class+0x640/0x640 [ 209.494900] ? zap_class+0x640/0x640 [ 209.498617] ? zap_class+0x640/0x640 [ 209.502338] ? __do_page_cache_readahead+0x663/0x810 [ 209.507455] ? find_held_lock+0x36/0x1c0 [ 209.511533] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 209.517089] alloc_pages_current+0x173/0x350 [ 209.521515] __page_cache_alloc+0x38c/0x5c0 [ 209.525843] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 209.530776] ? kasan_check_read+0x11/0x20 [ 209.534929] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 209.540216] ? generic_perform_write+0x6a0/0x6a0 [ 209.544989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.550532] ? check_preemption_disabled+0x48/0x280 [ 209.555564] filemap_fault+0x1595/0x25f0 [ 209.559645] ? __lock_page_or_retry+0xa00/0xa00 [ 209.564324] ? mark_held_locks+0x130/0x130 [ 209.568662] ? filemap_map_pages+0xd6b/0x1a20 [ 209.573166] ? lock_downgrade+0x900/0x900 [ 209.577322] ? check_preemption_disabled+0x48/0x280 [ 209.582345] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 209.587284] ? kasan_check_read+0x11/0x20 [ 209.591439] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 209.596723] ? rcu_softirq_qs+0x20/0x20 [ 209.600716] ? filemap_map_pages+0xd92/0x1a20 [ 209.605222] ? print_usage_bug+0xc0/0xc0 [ 209.609291] ? find_get_entries_tag+0x1400/0x1400 [ 209.614141] ? __kasan_slab_free+0x102/0x150 [ 209.618555] ? kasan_slab_free+0xe/0x10 [ 209.622531] ? kmem_cache_free+0x83/0x290 [ 209.626685] ? __sigqueue_free.part.29+0x74/0x90 [ 209.631461] ? lock_acquire+0x1ed/0x520 [ 209.635444] ? ext4_filemap_fault+0x7a/0xad [ 209.640105] ? lock_release+0xa00/0xa00 [ 209.644085] ? perf_trace_sched_process_exec+0x860/0x860 [ 209.649544] ? print_usage_bug+0xc0/0xc0 [ 209.653613] ? print_usage_bug+0xc0/0xc0 [ 209.657695] ? down_read+0x8d/0x120 [ 209.661326] ? ext4_filemap_fault+0x7a/0xad [ 209.665649] ? __down_interruptible+0x700/0x700 [ 209.670336] ext4_filemap_fault+0x82/0xad [ 209.674499] __do_fault+0x100/0x6b0 [ 209.678137] ? pmd_devmap_trans_unstable+0x220/0x220 [ 209.683251] ? mark_held_locks+0x130/0x130 [ 209.687497] ? mark_held_locks+0x130/0x130 [ 209.691739] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 209.697281] ? rcu_pm_notify+0xc0/0xc0 [ 209.701182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.706731] __handle_mm_fault+0x3ea0/0x5be0 [ 209.711157] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 209.716000] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.720505] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 209.725098] ? trace_hardirqs_on+0xbd/0x310 [ 209.729421] ? kasan_check_read+0x11/0x20 [ 209.733570] ? __set_current_blocked+0xdf/0x120 [ 209.738244] ? trace_hardirqs_off_caller+0x310/0x310 [ 209.743364] ? zap_class+0x640/0x640 [ 209.747084] ? zap_class+0x640/0x640 [ 209.750809] ? find_held_lock+0x36/0x1c0 [ 209.754884] ? handle_mm_fault+0x42a/0xc70 [ 209.759130] ? lock_downgrade+0x900/0x900 [ 209.763287] ? check_preemption_disabled+0x48/0x280 [ 209.768312] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 209.773247] ? kasan_check_read+0x11/0x20 [ 209.777397] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 209.782676] ? rcu_softirq_qs+0x20/0x20 [ 209.786656] ? trace_hardirqs_off_caller+0x310/0x310 [ 209.791764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.797311] ? check_preemption_disabled+0x48/0x280 [ 209.802337] handle_mm_fault+0x54f/0xc70 [ 209.806406] ? __handle_mm_fault+0x5be0/0x5be0 [ 209.811467] ? find_vma+0x34/0x190 [ 209.815021] __do_page_fault+0x5e8/0xe60 [ 209.819091] ? exit_to_usermode_loop+0x1f4/0x380 [ 209.823863] do_page_fault+0xf2/0x7e0 [ 209.827668] ? vmalloc_sync_all+0x30/0x30 [ 209.831824] ? error_entry+0x70/0xd0 [ 209.835550] ? trace_hardirqs_off_caller+0xbb/0x310 [ 209.840571] ? trace_hardirqs_on_caller+0xc0/0x310 [ 209.845506] ? syscall_return_slowpath+0x5e0/0x5e0 [ 209.850440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.855301] ? trace_hardirqs_on_caller+0x310/0x310 [ 209.860327] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.865790] ? prepare_exit_to_usermode+0x291/0x3b0 [ 209.870813] ? page_fault+0x8/0x30 [ 209.874364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.879215] ? page_fault+0x8/0x30 [ 209.882758] page_fault+0x1e/0x30 [ 209.886209] RIP: 0033:0x45db60 [ 209.889427] Code: Bad RIP value. [ 209.892797] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 209.898165] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 209.905434] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 209.912710] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 209.919986] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 209.927257] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 209.934546] Mem-Info: [ 209.936986] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 209.936986] active_file:12 inactive_file:11 isolated_file:0 [ 209.936986] unevictable:0 dirty:0 writeback:0 unstable:0 [ 209.936986] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 209.936986] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 209.936986] free:13782 free_pcp:358 free_cma:0 [ 209.970596] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 209.998094] 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 [ 210.024232] lowmem_reserve[]: 0 2818 6321 6321 [ 210.028830] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 210.056699] lowmem_reserve[]: 0 0 3503 3503 [ 210.061032] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB [ 210.090122] lowmem_reserve[]: 0 0 0 0 [ 210.093941] 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 [ 210.107531] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 210.122775] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 210.137764] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 210.146597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 210.155173] 266 total pagecache pages [ 210.158981] 0 pages in swap cache [ 210.162430] Swap cache stats: add 0, delete 0, find 0/0 [ 210.167791] Free swap = 0kB [ 210.170803] Total swap = 0kB [ 210.173815] 1965979 pages RAM [ 210.176921] 0 pages HighMem/MovableOnly [ 210.180887] 342854 pages reserved [ 210.184339] 0 pages cma reserved [ 210.187749] aoe: skb alloc failure [ 210.191320] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 210.201544] syz-fuzzer cpuset=/ mems_allowed=0 [ 210.206141] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 210.213064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 210.222415] Call Trace: [ 210.225001] [ 210.227163] dump_stack+0x244/0x39d [ 210.230801] ? dump_stack_print_info.cold.1+0x20/0x20 [ 210.236011] warn_alloc.cold.116+0xb7/0x1bd [ 210.240342] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 210.245195] ? lock_downgrade+0x900/0x900 [ 210.249357] ? trace_hardirqs_off+0xb8/0x310 [ 210.253776] ? trace_hardirqs_off+0xb8/0x310 [ 210.258197] __alloc_pages_slowpath+0x26e8/0x2e10 [ 210.263073] ? warn_alloc+0x120/0x120 [ 210.266889] ? warn_alloc+0x120/0x120 [ 210.270707] ? __lock_acquire+0x62f/0x4c20 [ 210.274947] ? warn_alloc+0x120/0x120 [ 210.278748] ? print_usage_bug+0xc0/0xc0 [ 210.282816] ? print_usage_bug+0xc0/0xc0 [ 210.286882] ? print_usage_bug+0xc0/0xc0 [ 210.290959] ? mark_held_locks+0x130/0x130 [ 210.295206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.300749] ? should_fail+0x22d/0xd01 [ 210.304637] ? zap_class+0x640/0x640 [ 210.308360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.313469] ? __lock_acquire+0x62f/0x4c20 [ 210.317716] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.322821] ? should_fail+0x22d/0xd01 [ 210.326714] ? zap_class+0x640/0x640 [ 210.330451] ? mark_held_locks+0x130/0x130 [ 210.334697] ? mark_held_locks+0x130/0x130 [ 210.338939] ? zap_class+0x640/0x640 [ 210.342659] ? zap_class+0x640/0x640 [ 210.346375] ? up+0xea/0x1c0 [ 210.349405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.354980] ? check_preemption_disabled+0x48/0x280 [ 210.360011] ? __lock_is_held+0xb5/0x140 [ 210.364086] __alloc_pages_nodemask+0xa80/0xde0 [ 210.368759] ? zap_class+0x640/0x640 [ 210.372484] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 210.377516] ? find_held_lock+0x36/0x1c0 [ 210.381588] ? ____cache_alloc_node+0x1c7/0x1e0 [ 210.386266] ? lock_downgrade+0x900/0x900 [ 210.390430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.395977] cache_grow_begin+0xa5/0x8c0 [ 210.400039] ? do_raw_spin_unlock+0xa7/0x330 [ 210.404467] fallback_alloc+0x204/0x2e0 [ 210.408459] ____cache_alloc_node+0x1c7/0x1e0 [ 210.412964] kmem_cache_alloc_node+0xe3/0x730 [ 210.417464] ? __kmalloc_node_track_caller+0x50/0x70 [ 210.422573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.428128] __alloc_skb+0x119/0x770 [ 210.431842] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 210.437214] ? netdev_alloc_frag+0x1f0/0x1f0 [ 210.441634] ? vprintk_default+0x28/0x30 [ 210.445699] ? vprintk_func+0x85/0x181 [ 210.449589] ? printk+0xa7/0xcf [ 210.452869] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 210.457639] ? trace_hardirqs_off+0xb8/0x310 [ 210.462060] new_skb+0x26/0x1c0 [ 210.465347] aoecmd_cfg+0x279/0x7f0 [ 210.468985] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 210.473322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.478874] ? __lock_is_held+0xb5/0x140 [ 210.482962] discover_timer+0x50/0x60 [ 210.486765] call_timer_fn+0x272/0x920 [ 210.490668] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 210.495515] ? process_timeout+0x40/0x40 [ 210.499594] ? mark_held_locks+0xc7/0x130 [ 210.503752] ? _raw_spin_unlock_irq+0x27/0x80 [ 210.508249] ? _raw_spin_unlock_irq+0x27/0x80 [ 210.512749] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 210.517946] ? lockdep_hardirqs_on+0x296/0x5b0 [ 210.522538] ? trace_hardirqs_on+0xbd/0x310 [ 210.526862] ? kasan_check_read+0x11/0x20 [ 210.531023] ? __run_timers+0x7da/0xc70 [ 210.535005] ? trace_hardirqs_off_caller+0x310/0x310 [ 210.540125] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 210.544980] __run_timers+0x7e5/0xc70 [ 210.548797] ? timer_fixup_init+0x70/0x70 [ 210.552957] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 210.557981] ? zap_class+0x640/0x640 [ 210.561792] ? print_usage_bug+0xc0/0xc0 [ 210.565857] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 210.571066] ? find_held_lock+0x36/0x1c0 [ 210.575143] ? zap_class+0x640/0x640 [ 210.578864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.584421] ? check_preemption_disabled+0x48/0x280 [ 210.589448] ? __lock_is_held+0xb5/0x140 [ 210.593513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.599058] ? check_preemption_disabled+0x48/0x280 [ 210.604084] run_timer_softirq+0x52/0xb0 [ 210.608154] ? rcu_read_lock_sched_held+0x14f/0x180 [ 210.613173] __do_softirq+0x308/0xb7e [ 210.616979] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 210.621477] ? lock_downgrade+0x900/0x900 [ 210.625633] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 210.630747] ? pvclock_read_flags+0x160/0x160 [ 210.635253] ? lapic_next_event+0x5a/0x90 [ 210.639411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.644962] ? kvm_clock_read+0x18/0x30 [ 210.648939] ? kvm_sched_clock_read+0x9/0x20 [ 210.653356] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.658904] ? check_preemption_disabled+0x48/0x280 [ 210.663934] irq_exit+0x17f/0x1c0 [ 210.667392] smp_apic_timer_interrupt+0x1cb/0x760 [ 210.672245] ? smp_reschedule_interrupt+0x109/0x650 [ 210.677271] ? smp_call_function_single_interrupt+0x650/0x650 [ 210.683163] ? interrupt_entry+0xb5/0xc0 [ 210.687229] ? trace_hardirqs_off_caller+0xbb/0x310 [ 210.692252] ? trace_hardirqs_off_caller+0xbb/0x310 [ 210.697276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 210.702127] ? trace_hardirqs_on_caller+0x310/0x310 [ 210.707149] ? trace_hardirqs_on_caller+0x310/0x310 [ 210.712175] ? task_prio+0x50/0x50 [ 210.715724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.721275] ? check_preemption_disabled+0x48/0x280 [ 210.726301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 210.731154] apic_timer_interrupt+0xf/0x20 [ 210.735382] [ 210.737629] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 210.742650] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 210.761551] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 210.769264] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 210.776533] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 210.783805] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 210.791082] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 210.798350] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 210.805662] rcu_read_lock_held+0xa9/0xc0 [ 210.809821] css_next_child+0x2a2/0x620 [ 210.813816] ? cgroup_mount+0xd30/0xd30 [ 210.817807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.823353] ? check_preemption_disabled+0x48/0x280 [ 210.828391] ? __lock_is_held+0xb5/0x140 [ 210.832472] css_next_descendant_pre+0xeb/0x190 [ 210.837153] mem_cgroup_iter+0x42f/0x1160 [ 210.841311] ? kasan_check_write+0x14/0x20 [ 210.845560] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 210.850324] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 210.855354] ? shrink_slab+0xfa/0x8c0 [ 210.859164] ? shrink_active_list+0x1f00/0x1f00 [ 210.863851] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 210.869485] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 210.874607] ? cgroup_procs_write_finish+0xf0/0xf0 [ 210.879543] ? find_held_lock+0x36/0x1c0 [ 210.883614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.889154] ? vmpressure+0x1a2/0x340 [ 210.892979] shrink_node+0x516/0x16b0 [ 210.896786] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 210.902093] ? shrink_node_memcg+0x18f0/0x18f0 [ 210.906685] ? kvm_clock_read+0x18/0x30 [ 210.910667] ? ktime_get+0x2c1/0x400 [ 210.914398] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 210.918900] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 210.924446] ? __cpuset_node_allowed+0x19b/0x660 [ 210.929209] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 210.934927] ? delayacct_end+0x5a/0x100 [ 210.938919] do_try_to_free_pages+0x3e7/0x1290 [ 210.943502] ? zap_class+0x640/0x640 [ 210.947241] ? shrink_node+0x16b0/0x16b0 [ 210.951306] ? __lock_is_held+0xb5/0x140 [ 210.955385] try_to_free_pages+0x4d0/0xb90 [ 210.959632] ? do_try_to_free_pages+0x1290/0x1290 [ 210.964491] ? lock_acquire+0x1ed/0x520 [ 210.968471] ? set_page_refcounted+0x280/0x280 [ 210.973065] ? lock_release+0xa00/0xa00 [ 210.977048] ? _raw_spin_unlock_irq+0x60/0x80 [ 210.981550] ? psi_memstall_enter+0x240/0x2b0 [ 210.986056] ? psi_memstall_tick+0x230/0x230 [ 210.990574] __alloc_pages_slowpath+0xa14/0x2e10 [ 210.995366] ? warn_alloc+0x120/0x120 [ 210.999172] ? mark_held_locks+0x130/0x130 [ 211.003413] ? find_get_entry+0xaae/0x1120 [ 211.007661] ? filemap_map_pages+0x1a20/0x1a20 [ 211.012251] ? zap_class+0x640/0x640 [ 211.015979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.021522] ? check_preemption_disabled+0x48/0x280 [ 211.026545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.032089] ? should_fail+0x22d/0xd01 [ 211.035987] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.041100] ? zap_class+0x640/0x640 [ 211.044853] ? __lock_is_held+0xb5/0x140 [ 211.049015] ? mark_held_locks+0x130/0x130 [ 211.053260] ? lock_release+0xa00/0xa00 [ 211.057240] ? perf_trace_sched_process_exec+0x860/0x860 [ 211.062696] ? xa_load+0x2ba/0x460 [ 211.066240] ? lock_downgrade+0x900/0x900 [ 211.070402] ? __might_sleep+0x95/0x190 [ 211.074389] __alloc_pages_nodemask+0xa80/0xde0 [ 211.079067] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 211.084090] ? __page_cache_alloc+0x191/0x5c0 [ 211.088589] ? xa_load+0x2e1/0x460 [ 211.092133] ? xa_clear_mark+0x40/0x40 [ 211.096032] ? zap_class+0x640/0x640 [ 211.099762] ? zap_class+0x640/0x640 [ 211.103484] ? zap_class+0x640/0x640 [ 211.107201] ? __do_page_cache_readahead+0x663/0x810 [ 211.112311] ? find_held_lock+0x36/0x1c0 [ 211.116386] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 211.121935] alloc_pages_current+0x173/0x350 [ 211.126355] __page_cache_alloc+0x38c/0x5c0 [ 211.130767] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 211.135700] ? kasan_check_read+0x11/0x20 [ 211.139861] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 211.145153] ? generic_perform_write+0x6a0/0x6a0 [ 211.149915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.155457] ? check_preemption_disabled+0x48/0x280 [ 211.160485] filemap_fault+0x1595/0x25f0 [ 211.164564] ? __lock_page_or_retry+0xa00/0xa00 [ 211.169244] ? mark_held_locks+0x130/0x130 [ 211.173497] ? filemap_map_pages+0xd6b/0x1a20 [ 211.178004] ? lock_downgrade+0x900/0x900 [ 211.182160] ? check_preemption_disabled+0x48/0x280 [ 211.187182] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 211.192116] ? kasan_check_read+0x11/0x20 [ 211.196267] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 211.201544] ? rcu_softirq_qs+0x20/0x20 [ 211.205538] ? filemap_map_pages+0xd92/0x1a20 [ 211.210044] ? print_usage_bug+0xc0/0xc0 [ 211.214119] ? find_get_entries_tag+0x1400/0x1400 [ 211.218968] ? __kasan_slab_free+0x102/0x150 [ 211.223386] ? kasan_slab_free+0xe/0x10 [ 211.227370] ? kmem_cache_free+0x83/0x290 [ 211.231524] ? __sigqueue_free.part.29+0x74/0x90 [ 211.236302] ? lock_acquire+0x1ed/0x520 [ 211.240277] ? ext4_filemap_fault+0x7a/0xad [ 211.244608] ? lock_release+0xa00/0xa00 [ 211.248672] ? perf_trace_sched_process_exec+0x860/0x860 [ 211.254133] ? print_usage_bug+0xc0/0xc0 [ 211.258199] ? print_usage_bug+0xc0/0xc0 [ 211.262275] ? down_read+0x8d/0x120 [ 211.265903] ? ext4_filemap_fault+0x7a/0xad [ 211.270232] ? __down_interruptible+0x700/0x700 [ 211.274916] ext4_filemap_fault+0x82/0xad [ 211.279073] __do_fault+0x100/0x6b0 [ 211.282708] ? pmd_devmap_trans_unstable+0x220/0x220 [ 211.287830] ? mark_held_locks+0x130/0x130 [ 211.292075] ? mark_held_locks+0x130/0x130 [ 211.296317] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 211.301865] ? rcu_pm_notify+0xc0/0xc0 [ 211.305768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.311315] __handle_mm_fault+0x3ea0/0x5be0 [ 211.315743] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 211.320590] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.325089] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 211.329681] ? trace_hardirqs_on+0xbd/0x310 [ 211.334005] ? kasan_check_read+0x11/0x20 [ 211.338158] ? __set_current_blocked+0xdf/0x120 [ 211.342840] ? trace_hardirqs_off_caller+0x310/0x310 [ 211.347961] ? zap_class+0x640/0x640 [ 211.351687] ? zap_class+0x640/0x640 [ 211.355413] ? find_held_lock+0x36/0x1c0 [ 211.359487] ? handle_mm_fault+0x42a/0xc70 [ 211.363729] ? lock_downgrade+0x900/0x900 [ 211.367885] ? check_preemption_disabled+0x48/0x280 [ 211.372908] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 211.377841] ? kasan_check_read+0x11/0x20 [ 211.381996] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 211.387274] ? rcu_softirq_qs+0x20/0x20 [ 211.391251] ? trace_hardirqs_off_caller+0x310/0x310 [ 211.396368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.401914] ? check_preemption_disabled+0x48/0x280 [ 211.406941] handle_mm_fault+0x54f/0xc70 [ 211.411008] ? __handle_mm_fault+0x5be0/0x5be0 [ 211.415602] ? find_vma+0x34/0x190 [ 211.419154] __do_page_fault+0x5e8/0xe60 [ 211.423221] ? exit_to_usermode_loop+0x1f4/0x380 [ 211.427996] do_page_fault+0xf2/0x7e0 [ 211.431813] ? vmalloc_sync_all+0x30/0x30 [ 211.435971] ? error_entry+0x70/0xd0 [ 211.439691] ? trace_hardirqs_off_caller+0xbb/0x310 [ 211.444712] ? trace_hardirqs_on_caller+0xc0/0x310 [ 211.449645] ? syscall_return_slowpath+0x5e0/0x5e0 [ 211.454581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.459430] ? trace_hardirqs_on_caller+0x310/0x310 [ 211.464453] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 211.469915] ? prepare_exit_to_usermode+0x291/0x3b0 [ 211.474937] ? page_fault+0x8/0x30 [ 211.478489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.483346] ? page_fault+0x8/0x30 [ 211.486902] page_fault+0x1e/0x30 [ 211.490360] RIP: 0033:0x45db60 [ 211.493569] Code: Bad RIP value. [ 211.496930] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 211.502291] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 211.509569] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 211.516841] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 211.524114] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 211.531387] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 211.538679] Mem-Info: [ 211.541114] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 211.541114] active_file:12 inactive_file:11 isolated_file:0 [ 211.541114] unevictable:0 dirty:0 writeback:0 unstable:0 [ 211.541114] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 211.541114] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 211.541114] free:13782 free_pcp:358 free_cma:0 [ 211.574040] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 211.601539] 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 [ 211.627680] lowmem_reserve[]: 0 2818 6321 6321 [ 211.632278] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 211.660419] lowmem_reserve[]: 0 0 3503 3503 [ 211.664752] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB [ 211.693846] lowmem_reserve[]: 0 0 0 0 [ 211.697659] 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 [ 211.711248] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 211.726498] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 211.741485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 211.750328] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 211.758903] 266 total pagecache pages [ 211.762713] 0 pages in swap cache [ 211.766165] Swap cache stats: add 0, delete 0, find 0/0 [ 211.771524] Free swap = 0kB [ 211.774538] Total swap = 0kB [ 211.777554] 1965979 pages RAM [ 211.780662] 0 pages HighMem/MovableOnly [ 211.784632] 342854 pages reserved [ 211.788080] 0 pages cma reserved [ 211.791486] aoe: skb alloc failure [ 211.795091] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 211.805314] syz-fuzzer cpuset=/ mems_allowed=0 [ 211.810509] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 211.817431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 211.826796] Call Trace: [ 211.829381] [ 211.831544] dump_stack+0x244/0x39d [ 211.835183] ? dump_stack_print_info.cold.1+0x20/0x20 [ 211.840391] warn_alloc.cold.116+0xb7/0x1bd [ 211.844728] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 211.849582] ? lock_downgrade+0x900/0x900 [ 211.853742] ? trace_hardirqs_off+0xb8/0x310 [ 211.858170] ? trace_hardirqs_off+0xb8/0x310 [ 211.862594] __alloc_pages_slowpath+0x26e8/0x2e10 [ 211.867472] ? warn_alloc+0x120/0x120 [ 211.871286] ? warn_alloc+0x120/0x120 [ 211.875103] ? warn_alloc+0x120/0x120 [ 211.878912] ? print_usage_bug+0xc0/0xc0 [ 211.882983] ? print_usage_bug+0xc0/0xc0 [ 211.887049] ? mark_held_locks+0x130/0x130 [ 211.891288] ? check_preemption_disabled+0x48/0x280 [ 211.896316] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 211.900818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.906364] ? should_fail+0x22d/0xd01 [ 211.910261] ? kasan_check_read+0x11/0x20 [ 211.914418] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.919524] ? __lock_acquire+0x62f/0x4c20 [ 211.923771] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.928879] ? should_fail+0x22d/0xd01 [ 211.932777] ? zap_class+0x640/0x640 [ 211.936508] ? mark_held_locks+0x130/0x130 [ 211.940761] ? mark_held_locks+0x130/0x130 [ 211.945010] ? zap_class+0x640/0x640 [ 211.948736] ? zap_class+0x640/0x640 [ 211.952461] ? up+0xea/0x1c0 [ 211.955489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.961032] ? check_preemption_disabled+0x48/0x280 [ 211.966066] ? __lock_is_held+0xb5/0x140 [ 211.970141] __alloc_pages_nodemask+0xa80/0xde0 [ 211.974815] ? zap_class+0x640/0x640 [ 211.978539] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 211.983571] ? find_held_lock+0x36/0x1c0 [ 211.987648] ? ____cache_alloc_node+0x1c7/0x1e0 [ 211.992322] ? lock_downgrade+0x900/0x900 [ 211.996498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.002047] cache_grow_begin+0xa5/0x8c0 [ 212.006126] ? do_raw_spin_unlock+0xa7/0x330 [ 212.010549] fallback_alloc+0x204/0x2e0 [ 212.014538] ____cache_alloc_node+0x1c7/0x1e0 [ 212.019044] kmem_cache_alloc_node+0xe3/0x730 [ 212.023547] ? __kmalloc_node_track_caller+0x50/0x70 [ 212.028662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.034211] __alloc_skb+0x119/0x770 [ 212.037928] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 212.043309] ? netdev_alloc_frag+0x1f0/0x1f0 [ 212.047732] ? vprintk_default+0x28/0x30 [ 212.051805] ? vprintk_func+0x85/0x181 [ 212.055701] ? printk+0xa7/0xcf [ 212.058985] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 212.063758] ? trace_hardirqs_off+0xb8/0x310 [ 212.068175] new_skb+0x26/0x1c0 [ 212.071468] aoecmd_cfg+0x279/0x7f0 [ 212.075109] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 212.079440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.084997] ? __lock_is_held+0xb5/0x140 [ 212.089080] discover_timer+0x50/0x60 [ 212.092885] call_timer_fn+0x272/0x920 [ 212.096781] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 212.101630] ? process_timeout+0x40/0x40 [ 212.105703] ? mark_held_locks+0xc7/0x130 [ 212.109856] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.114354] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.118852] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 212.123699] ? lockdep_hardirqs_on+0x296/0x5b0 [ 212.128289] ? trace_hardirqs_on+0xbd/0x310 [ 212.132614] ? kasan_check_read+0x11/0x20 [ 212.136775] ? __run_timers+0x7da/0xc70 [ 212.140759] ? trace_hardirqs_off_caller+0x310/0x310 [ 212.145879] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 212.150729] __run_timers+0x7e5/0xc70 [ 212.154555] ? timer_fixup_init+0x70/0x70 [ 212.158709] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 212.163741] ? zap_class+0x640/0x640 [ 212.167467] ? print_usage_bug+0xc0/0xc0 [ 212.171532] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 212.176731] ? find_held_lock+0x36/0x1c0 [ 212.180897] ? zap_class+0x640/0x640 [ 212.184626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.190184] ? check_preemption_disabled+0x48/0x280 [ 212.195216] ? __lock_is_held+0xb5/0x140 [ 212.199290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.204832] ? check_preemption_disabled+0x48/0x280 [ 212.209860] run_timer_softirq+0x52/0xb0 [ 212.213929] ? rcu_read_lock_sched_held+0x14f/0x180 [ 212.218947] __do_softirq+0x308/0xb7e [ 212.222767] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 212.227269] ? lock_downgrade+0x900/0x900 [ 212.231423] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 212.236537] ? pvclock_read_flags+0x160/0x160 [ 212.241044] ? lapic_next_event+0x5a/0x90 [ 212.245198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.250757] ? kvm_clock_read+0x18/0x30 [ 212.254742] ? kvm_sched_clock_read+0x9/0x20 [ 212.259162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.264791] ? check_preemption_disabled+0x48/0x280 [ 212.269825] irq_exit+0x17f/0x1c0 [ 212.273294] smp_apic_timer_interrupt+0x1cb/0x760 [ 212.278143] ? smp_reschedule_interrupt+0x109/0x650 [ 212.283163] ? smp_call_function_single_interrupt+0x650/0x650 [ 212.289052] ? interrupt_entry+0xb5/0xc0 [ 212.293115] ? trace_hardirqs_off_caller+0xbb/0x310 [ 212.298137] ? trace_hardirqs_off_caller+0xbb/0x310 [ 212.303160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 212.308007] ? trace_hardirqs_on_caller+0x310/0x310 [ 212.313026] ? trace_hardirqs_on_caller+0x310/0x310 [ 212.318045] ? task_prio+0x50/0x50 [ 212.321595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.327137] ? check_preemption_disabled+0x48/0x280 [ 212.332161] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 212.337019] apic_timer_interrupt+0xf/0x20 [ 212.341258] [ 212.343499] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 212.348520] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 212.367422] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 212.375133] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 212.382408] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 212.389684] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 212.396967] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 212.404237] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 212.411550] rcu_read_lock_held+0xa9/0xc0 [ 212.415707] css_next_child+0x2a2/0x620 [ 212.419703] ? cgroup_mount+0xd30/0xd30 [ 212.423699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.429252] ? check_preemption_disabled+0x48/0x280 [ 212.434289] ? __lock_is_held+0xb5/0x140 [ 212.438370] css_next_descendant_pre+0xeb/0x190 [ 212.443048] mem_cgroup_iter+0x42f/0x1160 [ 212.447204] ? kasan_check_write+0x14/0x20 [ 212.451454] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 212.456212] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 212.461239] ? shrink_slab+0xfa/0x8c0 [ 212.465054] ? shrink_active_list+0x1f00/0x1f00 [ 212.469748] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 212.475378] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 212.480494] ? cgroup_procs_write_finish+0xf0/0xf0 [ 212.485434] ? find_held_lock+0x36/0x1c0 [ 212.489502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.495045] ? vmpressure+0x1a2/0x340 [ 212.498855] shrink_node+0x516/0x16b0 [ 212.502665] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 212.507970] ? shrink_node_memcg+0x18f0/0x18f0 [ 212.512558] ? kvm_clock_read+0x18/0x30 [ 212.516536] ? ktime_get+0x2c1/0x400 [ 212.520264] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 212.524764] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 212.530302] ? __cpuset_node_allowed+0x19b/0x660 [ 212.535072] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 212.540798] ? delayacct_end+0x5a/0x100 [ 212.544790] do_try_to_free_pages+0x3e7/0x1290 [ 212.549375] ? zap_class+0x640/0x640 [ 212.553111] ? shrink_node+0x16b0/0x16b0 [ 212.557184] ? __lock_is_held+0xb5/0x140 [ 212.561267] try_to_free_pages+0x4d0/0xb90 [ 212.565513] ? do_try_to_free_pages+0x1290/0x1290 [ 212.570372] ? lock_acquire+0x1ed/0x520 [ 212.574349] ? set_page_refcounted+0x280/0x280 [ 212.578944] ? lock_release+0xa00/0xa00 [ 212.582927] ? _raw_spin_unlock_irq+0x60/0x80 [ 212.587424] ? psi_memstall_enter+0x240/0x2b0 [ 212.591927] ? psi_memstall_tick+0x230/0x230 [ 212.596353] __alloc_pages_slowpath+0xa14/0x2e10 [ 212.601147] ? warn_alloc+0x120/0x120 [ 212.604953] ? mark_held_locks+0x130/0x130 [ 212.609195] ? find_get_entry+0xaae/0x1120 [ 212.613448] ? filemap_map_pages+0x1a20/0x1a20 [ 212.618041] ? zap_class+0x640/0x640 [ 212.621776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.627318] ? check_preemption_disabled+0x48/0x280 [ 212.632341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.637885] ? should_fail+0x22d/0xd01 [ 212.641787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 212.646900] ? zap_class+0x640/0x640 [ 212.651076] ? __lock_is_held+0xb5/0x140 [ 212.655147] ? mark_held_locks+0x130/0x130 [ 212.659387] ? lock_release+0xa00/0xa00 [ 212.663372] ? perf_trace_sched_process_exec+0x860/0x860 [ 212.668828] ? xa_load+0x2ba/0x460 [ 212.672379] ? lock_downgrade+0x900/0x900 [ 212.676540] ? __might_sleep+0x95/0x190 [ 212.680528] __alloc_pages_nodemask+0xa80/0xde0 [ 212.685211] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 212.690237] ? __page_cache_alloc+0x191/0x5c0 [ 212.694738] ? xa_load+0x2e1/0x460 [ 212.698282] ? xa_clear_mark+0x40/0x40 [ 212.702188] ? zap_class+0x640/0x640 [ 212.705922] ? zap_class+0x640/0x640 [ 212.709644] ? zap_class+0x640/0x640 [ 212.713361] ? __do_page_cache_readahead+0x663/0x810 [ 212.718477] ? find_held_lock+0x36/0x1c0 [ 212.722551] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 212.728099] alloc_pages_current+0x173/0x350 [ 212.732518] __page_cache_alloc+0x38c/0x5c0 [ 212.736844] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 212.741779] ? kasan_check_read+0x11/0x20 [ 212.745933] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 212.751224] ? generic_perform_write+0x6a0/0x6a0 [ 212.755988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.761532] ? check_preemption_disabled+0x48/0x280 [ 212.766559] filemap_fault+0x1595/0x25f0 [ 212.770641] ? __lock_page_or_retry+0xa00/0xa00 [ 212.775327] ? mark_held_locks+0x130/0x130 [ 212.779575] ? filemap_map_pages+0xd6b/0x1a20 [ 212.784079] ? lock_downgrade+0x900/0x900 [ 212.788239] ? check_preemption_disabled+0x48/0x280 [ 212.793261] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 212.798197] ? kasan_check_read+0x11/0x20 [ 212.802356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 212.807639] ? rcu_softirq_qs+0x20/0x20 [ 212.811630] ? filemap_map_pages+0xd92/0x1a20 [ 212.816141] ? print_usage_bug+0xc0/0xc0 [ 212.820211] ? find_get_entries_tag+0x1400/0x1400 [ 212.825059] ? __kasan_slab_free+0x102/0x150 [ 212.829481] ? kasan_slab_free+0xe/0x10 [ 212.833457] ? kmem_cache_free+0x83/0x290 [ 212.837607] ? __sigqueue_free.part.29+0x74/0x90 [ 212.842388] ? lock_acquire+0x1ed/0x520 [ 212.846368] ? ext4_filemap_fault+0x7a/0xad [ 212.850707] ? lock_release+0xa00/0xa00 [ 212.854690] ? perf_trace_sched_process_exec+0x860/0x860 [ 212.860143] ? print_usage_bug+0xc0/0xc0 [ 212.864214] ? print_usage_bug+0xc0/0xc0 [ 212.868291] ? down_read+0x8d/0x120 [ 212.871922] ? ext4_filemap_fault+0x7a/0xad [ 212.876251] ? __down_interruptible+0x700/0x700 [ 212.880933] ext4_filemap_fault+0x82/0xad [ 212.885088] __do_fault+0x100/0x6b0 [ 212.888726] ? pmd_devmap_trans_unstable+0x220/0x220 [ 212.893836] ? mark_held_locks+0x130/0x130 [ 212.898075] ? mark_held_locks+0x130/0x130 [ 212.902314] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 212.907855] ? rcu_pm_notify+0xc0/0xc0 [ 212.911751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.917298] __handle_mm_fault+0x3ea0/0x5be0 [ 212.921717] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 212.926564] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.931067] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 212.935654] ? trace_hardirqs_on+0xbd/0x310 [ 212.939983] ? kasan_check_read+0x11/0x20 [ 212.944135] ? __set_current_blocked+0xdf/0x120 [ 212.948813] ? trace_hardirqs_off_caller+0x310/0x310 [ 212.953931] ? zap_class+0x640/0x640 [ 212.957646] ? zap_class+0x640/0x640 [ 212.961379] ? find_held_lock+0x36/0x1c0 [ 212.965465] ? handle_mm_fault+0x42a/0xc70 [ 212.969708] ? lock_downgrade+0x900/0x900 [ 212.973863] ? check_preemption_disabled+0x48/0x280 [ 212.978888] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 212.983824] ? kasan_check_read+0x11/0x20 [ 212.987974] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 212.993254] ? rcu_softirq_qs+0x20/0x20 [ 212.997235] ? trace_hardirqs_off_caller+0x310/0x310 [ 213.002347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.007890] ? check_preemption_disabled+0x48/0x280 [ 213.012924] handle_mm_fault+0x54f/0xc70 [ 213.016998] ? __handle_mm_fault+0x5be0/0x5be0 [ 213.021588] ? find_vma+0x34/0x190 [ 213.025136] __do_page_fault+0x5e8/0xe60 [ 213.029211] ? exit_to_usermode_loop+0x1f4/0x380 [ 213.033983] do_page_fault+0xf2/0x7e0 [ 213.037792] ? vmalloc_sync_all+0x30/0x30 [ 213.041948] ? error_entry+0x70/0xd0 [ 213.045674] ? trace_hardirqs_off_caller+0xbb/0x310 [ 213.050699] ? trace_hardirqs_on_caller+0xc0/0x310 [ 213.055635] ? syscall_return_slowpath+0x5e0/0x5e0 [ 213.060580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.065429] ? trace_hardirqs_on_caller+0x310/0x310 [ 213.070447] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 213.075910] ? prepare_exit_to_usermode+0x291/0x3b0 [ 213.080933] ? page_fault+0x8/0x30 [ 213.084483] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.089334] ? page_fault+0x8/0x30 [ 213.092878] page_fault+0x1e/0x30 [ 213.096334] RIP: 0033:0x45db60 [ 213.099540] Code: Bad RIP value. [ 213.102904] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 213.108269] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 213.115538] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 213.122813] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 213.130082] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 213.137354] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 213.144644] Mem-Info: [ 213.147084] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 213.147084] active_file:12 inactive_file:11 isolated_file:0 [ 213.147084] unevictable:0 dirty:0 writeback:0 unstable:0 [ 213.147084] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 213.147084] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 213.147084] free:13782 free_pcp:358 free_cma:0 [ 213.180102] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 213.207689] 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 [ 213.233834] lowmem_reserve[]: 0 2818 6321 6321 [ 213.238430] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 213.266304] lowmem_reserve[]: 0 0 3503 3503 [ 213.270637] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB [ 213.299731] lowmem_reserve[]: 0 0 0 0 [ 213.303546] 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 [ 213.317146] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 213.332401] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 213.347392] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 213.356234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 213.364806] 266 total pagecache pages [ 213.368617] 0 pages in swap cache [ 213.372074] Swap cache stats: add 0, delete 0, find 0/0 [ 213.377431] Free swap = 0kB [ 213.380448] Total swap = 0kB [ 213.383465] 1965979 pages RAM [ 213.386567] 0 pages HighMem/MovableOnly [ 213.390536] 342854 pages reserved [ 213.393992] 0 pages cma reserved [ 213.397400] aoe: skb alloc failure [ 213.400969] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 213.411195] syz-fuzzer cpuset=/ mems_allowed=0 [ 213.415798] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 213.422720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.432073] Call Trace: [ 213.434656] [ 213.436815] dump_stack+0x244/0x39d [ 213.440454] ? dump_stack_print_info.cold.1+0x20/0x20 [ 213.445672] warn_alloc.cold.116+0xb7/0x1bd [ 213.450003] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 213.454858] ? lock_downgrade+0x900/0x900 [ 213.459016] ? trace_hardirqs_off+0xb8/0x310 [ 213.463439] ? trace_hardirqs_off+0xb8/0x310 [ 213.467862] __alloc_pages_slowpath+0x26e8/0x2e10 [ 213.472740] ? warn_alloc+0x120/0x120 [ 213.476551] ? warn_alloc+0x120/0x120 [ 213.480357] ? __lock_acquire+0x62f/0x4c20 [ 213.484598] ? warn_alloc+0x120/0x120 [ 213.488409] ? print_usage_bug+0xc0/0xc0 [ 213.492479] ? print_usage_bug+0xc0/0xc0 [ 213.496549] ? print_usage_bug+0xc0/0xc0 [ 213.500617] ? mark_held_locks+0x130/0x130 [ 213.504872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.510416] ? should_fail+0x22d/0xd01 [ 213.514312] ? zap_class+0x640/0x640 [ 213.518037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.523151] ? __lock_acquire+0x62f/0x4c20 [ 213.527402] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.532594] ? should_fail+0x22d/0xd01 [ 213.536489] ? zap_class+0x640/0x640 [ 213.540218] ? mark_held_locks+0x130/0x130 [ 213.544459] ? mark_held_locks+0x130/0x130 [ 213.548872] ? zap_class+0x640/0x640 [ 213.552592] ? zap_class+0x640/0x640 [ 213.556316] ? up+0xea/0x1c0 [ 213.559342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.564881] ? check_preemption_disabled+0x48/0x280 [ 213.570525] ? __lock_is_held+0xb5/0x140 [ 213.574598] __alloc_pages_nodemask+0xa80/0xde0 [ 213.579275] ? zap_class+0x640/0x640 [ 213.583000] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 213.588034] ? find_held_lock+0x36/0x1c0 [ 213.592114] ? ____cache_alloc_node+0x1c7/0x1e0 [ 213.596797] ? lock_downgrade+0x900/0x900 [ 213.600961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.606512] cache_grow_begin+0xa5/0x8c0 [ 213.610581] ? do_raw_spin_unlock+0xa7/0x330 [ 213.615008] fallback_alloc+0x204/0x2e0 [ 213.618994] ____cache_alloc_node+0x1c7/0x1e0 [ 213.623500] kmem_cache_alloc_node+0xe3/0x730 [ 213.627999] ? __kmalloc_node_track_caller+0x50/0x70 [ 213.633111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.638668] __alloc_skb+0x119/0x770 [ 213.642778] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 213.648158] ? netdev_alloc_frag+0x1f0/0x1f0 [ 213.652582] ? vprintk_default+0x28/0x30 [ 213.656658] ? vprintk_func+0x85/0x181 [ 213.660550] ? printk+0xa7/0xcf [ 213.663923] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 213.668690] ? trace_hardirqs_off+0xb8/0x310 [ 213.673110] new_skb+0x26/0x1c0 [ 213.676401] aoecmd_cfg+0x279/0x7f0 [ 213.680039] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 213.684375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.689931] ? __lock_is_held+0xb5/0x140 [ 213.694015] discover_timer+0x50/0x60 [ 213.697821] call_timer_fn+0x272/0x920 [ 213.701712] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 213.706559] ? process_timeout+0x40/0x40 [ 213.710643] ? mark_held_locks+0xc7/0x130 [ 213.714801] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.719301] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.723803] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 213.728656] ? lockdep_hardirqs_on+0x296/0x5b0 [ 213.733245] ? trace_hardirqs_on+0xbd/0x310 [ 213.737569] ? kasan_check_read+0x11/0x20 [ 213.741731] ? __run_timers+0x7da/0xc70 [ 213.745713] ? trace_hardirqs_off_caller+0x310/0x310 [ 213.750832] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 213.755687] __run_timers+0x7e5/0xc70 [ 213.759506] ? timer_fixup_init+0x70/0x70 [ 213.763669] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 213.768716] ? zap_class+0x640/0x640 [ 213.772442] ? print_usage_bug+0xc0/0xc0 [ 213.776511] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 213.781711] ? find_held_lock+0x36/0x1c0 [ 213.785781] ? zap_class+0x640/0x640 [ 213.789509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.795053] ? check_preemption_disabled+0x48/0x280 [ 213.800087] ? __lock_is_held+0xb5/0x140 [ 213.804164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.810246] ? check_preemption_disabled+0x48/0x280 [ 213.815270] run_timer_softirq+0x52/0xb0 [ 213.819334] ? rcu_read_lock_sched_held+0x14f/0x180 [ 213.824359] __do_softirq+0x308/0xb7e [ 213.828171] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 213.832670] ? lock_downgrade+0x900/0x900 [ 213.836825] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 213.841943] ? pvclock_read_flags+0x160/0x160 [ 213.846450] ? lapic_next_event+0x5a/0x90 [ 213.850623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.856259] ? kvm_clock_read+0x18/0x30 [ 213.860238] ? kvm_sched_clock_read+0x9/0x20 [ 213.864657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.870200] ? check_preemption_disabled+0x48/0x280 [ 213.875236] irq_exit+0x17f/0x1c0 [ 213.878700] smp_apic_timer_interrupt+0x1cb/0x760 [ 213.883549] ? smp_reschedule_interrupt+0x109/0x650 [ 213.888573] ? smp_call_function_single_interrupt+0x650/0x650 [ 213.894469] ? interrupt_entry+0xb5/0xc0 [ 213.898537] ? trace_hardirqs_off_caller+0xbb/0x310 [ 213.903558] ? trace_hardirqs_off_caller+0xbb/0x310 [ 213.908593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.913439] ? trace_hardirqs_on_caller+0x310/0x310 [ 213.918460] ? trace_hardirqs_on_caller+0x310/0x310 [ 213.923482] ? task_prio+0x50/0x50 [ 213.927030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.932577] ? check_preemption_disabled+0x48/0x280 [ 213.937621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.942481] apic_timer_interrupt+0xf/0x20 [ 213.946711] [ 213.948956] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 213.953981] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 213.972886] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 213.980611] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 213.987886] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 213.995156] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 214.002425] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 214.009692] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 214.017006] rcu_read_lock_held+0xa9/0xc0 [ 214.021160] css_next_child+0x2a2/0x620 [ 214.025153] ? cgroup_mount+0xd30/0xd30 [ 214.029142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.034687] ? check_preemption_disabled+0x48/0x280 [ 214.039722] ? __lock_is_held+0xb5/0x140 [ 214.043806] css_next_descendant_pre+0xeb/0x190 [ 214.048489] mem_cgroup_iter+0x42f/0x1160 [ 214.052641] ? kasan_check_write+0x14/0x20 [ 214.056886] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 214.061643] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 214.066671] ? shrink_slab+0xfa/0x8c0 [ 214.070474] ? shrink_active_list+0x1f00/0x1f00 [ 214.075153] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 214.080781] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 214.085894] ? cgroup_procs_write_finish+0xf0/0xf0 [ 214.090833] ? find_held_lock+0x36/0x1c0 [ 214.094902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.100444] ? vmpressure+0x1a2/0x340 [ 214.104254] shrink_node+0x516/0x16b0 [ 214.108063] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 214.113373] ? shrink_node_memcg+0x18f0/0x18f0 [ 214.117960] ? kvm_clock_read+0x18/0x30 [ 214.121942] ? ktime_get+0x2c1/0x400 [ 214.125663] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 214.130162] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 214.135702] ? __cpuset_node_allowed+0x19b/0x660 [ 214.140465] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 214.146178] ? delayacct_end+0x5a/0x100 [ 214.150167] do_try_to_free_pages+0x3e7/0x1290 [ 214.154757] ? zap_class+0x640/0x640 [ 214.158491] ? shrink_node+0x16b0/0x16b0 [ 214.162560] ? __lock_is_held+0xb5/0x140 [ 214.166648] try_to_free_pages+0x4d0/0xb90 [ 214.170892] ? do_try_to_free_pages+0x1290/0x1290 [ 214.175756] ? lock_acquire+0x1ed/0x520 [ 214.179736] ? set_page_refcounted+0x280/0x280 [ 214.184327] ? lock_release+0xa00/0xa00 [ 214.188306] ? _raw_spin_unlock_irq+0x60/0x80 [ 214.192806] ? psi_memstall_enter+0x240/0x2b0 [ 214.197306] ? psi_memstall_tick+0x230/0x230 [ 214.201731] __alloc_pages_slowpath+0xa14/0x2e10 [ 214.206526] ? warn_alloc+0x120/0x120 [ 214.210339] ? mark_held_locks+0x130/0x130 [ 214.214592] ? find_get_entry+0xaae/0x1120 [ 214.218837] ? filemap_map_pages+0x1a20/0x1a20 [ 214.223430] ? zap_class+0x640/0x640 [ 214.227155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.232701] ? check_preemption_disabled+0x48/0x280 [ 214.237720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.243273] ? should_fail+0x22d/0xd01 [ 214.247167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 214.252275] ? zap_class+0x640/0x640 [ 214.256017] ? __lock_is_held+0xb5/0x140 [ 214.260094] ? mark_held_locks+0x130/0x130 [ 214.264340] ? lock_release+0xa00/0xa00 [ 214.268317] ? perf_trace_sched_process_exec+0x860/0x860 [ 214.273777] ? xa_load+0x2ba/0x460 [ 214.277334] ? lock_downgrade+0x900/0x900 [ 214.281489] ? __might_sleep+0x95/0x190 [ 214.285480] __alloc_pages_nodemask+0xa80/0xde0 [ 214.290160] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 214.295184] ? __page_cache_alloc+0x191/0x5c0 [ 214.299679] ? xa_load+0x2e1/0x460 [ 214.303230] ? xa_clear_mark+0x40/0x40 [ 214.307127] ? zap_class+0x640/0x640 [ 214.310857] ? zap_class+0x640/0x640 [ 214.314584] ? zap_class+0x640/0x640 [ 214.318305] ? __do_page_cache_readahead+0x663/0x810 [ 214.323420] ? find_held_lock+0x36/0x1c0 [ 214.327493] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 214.333040] alloc_pages_current+0x173/0x350 [ 214.337463] __page_cache_alloc+0x38c/0x5c0 [ 214.341793] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 214.346729] ? kasan_check_read+0x11/0x20 [ 214.350885] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 214.356169] ? generic_perform_write+0x6a0/0x6a0 [ 214.360929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.366474] ? check_preemption_disabled+0x48/0x280 [ 214.371501] filemap_fault+0x1595/0x25f0 [ 214.375587] ? __lock_page_or_retry+0xa00/0xa00 [ 214.380265] ? mark_held_locks+0x130/0x130 [ 214.384514] ? filemap_map_pages+0xd6b/0x1a20 [ 214.389022] ? lock_downgrade+0x900/0x900 [ 214.393176] ? check_preemption_disabled+0x48/0x280 [ 214.398202] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 214.403137] ? kasan_check_read+0x11/0x20 [ 214.407287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 214.412579] ? rcu_softirq_qs+0x20/0x20 [ 214.416578] ? filemap_map_pages+0xd92/0x1a20 [ 214.421086] ? print_usage_bug+0xc0/0xc0 [ 214.425163] ? find_get_entries_tag+0x1400/0x1400 [ 214.430007] ? __kasan_slab_free+0x102/0x150 [ 214.434422] ? kasan_slab_free+0xe/0x10 [ 214.438395] ? kmem_cache_free+0x83/0x290 [ 214.442552] ? __sigqueue_free.part.29+0x74/0x90 [ 214.447330] ? lock_acquire+0x1ed/0x520 [ 214.451310] ? ext4_filemap_fault+0x7a/0xad [ 214.455641] ? lock_release+0xa00/0xa00 [ 214.459620] ? perf_trace_sched_process_exec+0x860/0x860 [ 214.465080] ? print_usage_bug+0xc0/0xc0 [ 214.469147] ? print_usage_bug+0xc0/0xc0 [ 214.473226] ? down_read+0x8d/0x120 [ 214.476855] ? ext4_filemap_fault+0x7a/0xad [ 214.481444] ? __down_interruptible+0x700/0x700 [ 214.486130] ext4_filemap_fault+0x82/0xad [ 214.490284] __do_fault+0x100/0x6b0 [ 214.493925] ? pmd_devmap_trans_unstable+0x220/0x220 [ 214.499036] ? mark_held_locks+0x130/0x130 [ 214.503281] ? mark_held_locks+0x130/0x130 [ 214.507524] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 214.513083] ? rcu_pm_notify+0xc0/0xc0 [ 214.516983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.522529] __handle_mm_fault+0x3ea0/0x5be0 [ 214.526970] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 214.531814] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.536489] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 214.541080] ? trace_hardirqs_on+0xbd/0x310 [ 214.545404] ? kasan_check_read+0x11/0x20 [ 214.549571] ? __set_current_blocked+0xdf/0x120 [ 214.554249] ? trace_hardirqs_off_caller+0x310/0x310 [ 214.559373] ? zap_class+0x640/0x640 [ 214.563095] ? zap_class+0x640/0x640 [ 214.566822] ? find_held_lock+0x36/0x1c0 [ 214.570899] ? handle_mm_fault+0x42a/0xc70 [ 214.575138] ? lock_downgrade+0x900/0x900 [ 214.579291] ? check_preemption_disabled+0x48/0x280 [ 214.584318] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 214.589251] ? kasan_check_read+0x11/0x20 [ 214.593403] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 214.598686] ? rcu_softirq_qs+0x20/0x20 [ 214.602667] ? trace_hardirqs_off_caller+0x310/0x310 [ 214.607779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.613323] ? check_preemption_disabled+0x48/0x280 [ 214.618356] handle_mm_fault+0x54f/0xc70 [ 214.622431] ? __handle_mm_fault+0x5be0/0x5be0 [ 214.627025] ? find_vma+0x34/0x190 [ 214.630584] __do_page_fault+0x5e8/0xe60 [ 214.634656] ? exit_to_usermode_loop+0x1f4/0x380 [ 214.639429] do_page_fault+0xf2/0x7e0 [ 214.643233] ? vmalloc_sync_all+0x30/0x30 [ 214.647385] ? error_entry+0x70/0xd0 [ 214.651114] ? trace_hardirqs_off_caller+0xbb/0x310 [ 214.656133] ? trace_hardirqs_on_caller+0xc0/0x310 [ 214.661070] ? syscall_return_slowpath+0x5e0/0x5e0 [ 214.666003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 214.670855] ? trace_hardirqs_on_caller+0x310/0x310 [ 214.675878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 214.681340] ? prepare_exit_to_usermode+0x291/0x3b0 [ 214.686361] ? page_fault+0x8/0x30 [ 214.689906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 214.694761] ? page_fault+0x8/0x30 [ 214.698307] page_fault+0x1e/0x30 [ 214.701761] RIP: 0033:0x45db60 [ 214.704970] Code: Bad RIP value. [ 214.708337] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 214.713703] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 214.720976] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 214.728244] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 214.735525] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 214.742799] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 214.750357] Mem-Info: [ 214.752793] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 214.752793] active_file:12 inactive_file:11 isolated_file:0 [ 214.752793] unevictable:0 dirty:0 writeback:0 unstable:0 [ 214.752793] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 214.752793] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 214.752793] free:13782 free_pcp:358 free_cma:0 [ 214.785719] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 214.813218] 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 [ 214.839356] lowmem_reserve[]: 0 2818 6321 6321 [ 214.843950] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 214.871822] lowmem_reserve[]: 0 0 3503 3503 [ 214.876159] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB [ 214.905243] lowmem_reserve[]: 0 0 0 0 [ 214.909060] 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 [ 214.922649] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 214.937895] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 214.952881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 214.961718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 214.970286] 266 total pagecache pages [ 214.974090] 0 pages in swap cache [ 214.977545] Swap cache stats: add 0, delete 0, find 0/0 [ 214.982903] Free swap = 0kB [ 214.985922] Total swap = 0kB [ 214.988939] 1965979 pages RAM [ 214.992044] 0 pages HighMem/MovableOnly [ 214.996010] 342854 pages reserved [ 214.999462] 0 pages cma reserved [ 215.002873] aoe: skb alloc failure [ 215.006441] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 215.016669] syz-fuzzer cpuset=/ mems_allowed=0 [ 215.021270] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 215.028194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.037545] Call Trace: [ 215.040128] [ 215.042293] dump_stack+0x244/0x39d [ 215.045929] ? dump_stack_print_info.cold.1+0x20/0x20 [ 215.051138] warn_alloc.cold.116+0xb7/0x1bd [ 215.055470] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 215.060329] ? lock_downgrade+0x900/0x900 [ 215.064492] ? trace_hardirqs_off+0xb8/0x310 [ 215.068912] ? trace_hardirqs_off+0xb8/0x310 [ 215.073338] __alloc_pages_slowpath+0x26e8/0x2e10 [ 215.078219] ? warn_alloc+0x120/0x120 [ 215.082033] ? warn_alloc+0x120/0x120 [ 215.085840] ? __lock_acquire+0x62f/0x4c20 [ 215.090084] ? warn_alloc+0x120/0x120 [ 215.093917] ? print_usage_bug+0xc0/0xc0 [ 215.097989] ? print_usage_bug+0xc0/0xc0 [ 215.102071] ? print_usage_bug+0xc0/0xc0 [ 215.106136] ? mark_held_locks+0x130/0x130 [ 215.110383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.115923] ? should_fail+0x22d/0xd01 [ 215.119814] ? zap_class+0x640/0x640 [ 215.123536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 215.128645] ? __lock_acquire+0x62f/0x4c20 [ 215.132888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 215.137996] ? should_fail+0x22d/0xd01 [ 215.141896] ? zap_class+0x640/0x640 [ 215.145626] ? mark_held_locks+0x130/0x130 [ 215.149867] ? mark_held_locks+0x130/0x130 [ 215.154105] ? zap_class+0x640/0x640 [ 215.157824] ? zap_class+0x640/0x640 [ 215.161542] ? up+0xea/0x1c0 [ 215.164572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.170116] ? check_preemption_disabled+0x48/0x280 [ 215.175148] ? __lock_is_held+0xb5/0x140 [ 215.176942] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 215.179216] __alloc_pages_nodemask+0xa80/0xde0 [ 215.189681] syz-executor3 cpuset=syz3 mems_allowed=0 [ 215.194341] ? zap_class+0x640/0x640 [ 215.203125] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 215.208145] ? find_held_lock+0x36/0x1c0 [ 215.212212] ? ____cache_alloc_node+0x1c7/0x1e0 [ 215.216879] ? lock_downgrade+0x900/0x900 [ 215.221034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.226572] cache_grow_begin+0xa5/0x8c0 [ 215.230630] ? do_raw_spin_unlock+0xa7/0x330 [ 215.235041] fallback_alloc+0x204/0x2e0 [ 215.239018] ____cache_alloc_node+0x1c7/0x1e0 [ 215.243512] kmem_cache_alloc_node+0xe3/0x730 [ 215.248003] ? __kmalloc_node_track_caller+0x50/0x70 [ 215.253109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.258646] __alloc_skb+0x119/0x770 [ 215.262352] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 215.267714] ? netdev_alloc_frag+0x1f0/0x1f0 [ 215.272121] ? vprintk_default+0x28/0x30 [ 215.276179] ? vprintk_func+0x85/0x181 [ 215.280061] ? printk+0xa7/0xcf [ 215.283339] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 215.288097] ? trace_hardirqs_off+0xb8/0x310 [ 215.292590] new_skb+0x26/0x1c0 [ 215.295865] aoecmd_cfg+0x279/0x7f0 [ 215.299496] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 215.303818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.309361] ? __lock_is_held+0xb5/0x140 [ 215.313425] discover_timer+0x50/0x60 [ 215.317224] call_timer_fn+0x272/0x920 [ 215.321109] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 215.325948] ? process_timeout+0x40/0x40 [ 215.330098] ? mark_held_locks+0xc7/0x130 [ 215.334250] ? _raw_spin_unlock_irq+0x27/0x80 [ 215.338737] ? _raw_spin_unlock_irq+0x27/0x80 [ 215.343225] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 215.348062] ? lockdep_hardirqs_on+0x296/0x5b0 [ 215.352641] ? trace_hardirqs_on+0xbd/0x310 [ 215.356958] ? kasan_check_read+0x11/0x20 [ 215.361102] ? __run_timers+0x7da/0xc70 [ 215.365070] ? trace_hardirqs_off_caller+0x310/0x310 [ 215.370179] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 215.375018] __run_timers+0x7e5/0xc70 [ 215.378821] ? timer_fixup_init+0x70/0x70 [ 215.382963] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 215.387983] ? zap_class+0x640/0x640 [ 215.391714] ? print_usage_bug+0xc0/0xc0 [ 215.395776] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 215.400966] ? find_held_lock+0x36/0x1c0 [ 215.405029] ? zap_class+0x640/0x640 [ 215.408752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.414284] ? check_preemption_disabled+0x48/0x280 [ 215.419305] ? __lock_is_held+0xb5/0x140 [ 215.423361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.428891] ? check_preemption_disabled+0x48/0x280 [ 215.433910] run_timer_softirq+0x52/0xb0 [ 215.437965] ? rcu_read_lock_sched_held+0x14f/0x180 [ 215.442980] __do_softirq+0x308/0xb7e [ 215.446781] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 215.451271] ? lock_downgrade+0x900/0x900 [ 215.455417] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 215.460520] ? pvclock_read_flags+0x160/0x160 [ 215.465016] ? lapic_next_event+0x5a/0x90 [ 215.469160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.474700] ? kvm_clock_read+0x18/0x30 [ 215.478682] ? kvm_sched_clock_read+0x9/0x20 [ 215.483088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.488620] ? check_preemption_disabled+0x48/0x280 [ 215.493638] irq_exit+0x17f/0x1c0 [ 215.497096] smp_apic_timer_interrupt+0x1cb/0x760 [ 215.501932] ? smp_reschedule_interrupt+0x109/0x650 [ 215.506942] ? smp_call_function_single_interrupt+0x650/0x650 [ 215.512827] ? interrupt_entry+0xb5/0xc0 [ 215.516886] ? trace_hardirqs_off_caller+0xbb/0x310 [ 215.521896] ? trace_hardirqs_off_caller+0xbb/0x310 [ 215.526907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.531746] ? trace_hardirqs_on_caller+0x310/0x310 [ 215.536761] ? trace_hardirqs_on_caller+0x310/0x310 [ 215.541771] ? task_prio+0x50/0x50 [ 215.545306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.550841] ? check_preemption_disabled+0x48/0x280 [ 215.555861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.560704] apic_timer_interrupt+0xf/0x20 [ 215.564929] [ 215.567165] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 215.572176] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 215.591068] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 215.598770] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 215.606030] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 215.613292] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 215.620556] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 215.627817] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 215.635104] rcu_read_lock_held+0xa9/0xc0 [ 215.639512] css_next_child+0x2a2/0x620 [ 215.643486] ? cgroup_mount+0xd30/0xd30 [ 215.647470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.653004] ? check_preemption_disabled+0x48/0x280 [ 215.658024] ? __lock_is_held+0xb5/0x140 [ 215.662095] css_next_descendant_pre+0xeb/0x190 [ 215.666760] mem_cgroup_iter+0x42f/0x1160 [ 215.670904] ? kasan_check_write+0x14/0x20 [ 215.675139] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 215.679894] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 215.684913] ? shrink_slab+0xfa/0x8c0 [ 215.688711] ? shrink_active_list+0x1f00/0x1f00 [ 215.693382] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 215.699006] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 215.704108] ? cgroup_procs_write_finish+0xf0/0xf0 [ 215.709037] ? find_held_lock+0x36/0x1c0 [ 215.713094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.718625] ? vmpressure+0x1a2/0x340 [ 215.722426] shrink_node+0x516/0x16b0 [ 215.726230] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 215.731528] ? shrink_node_memcg+0x18f0/0x18f0 [ 215.736112] ? kvm_clock_read+0x18/0x30 [ 215.740087] ? ktime_get+0x2c1/0x400 [ 215.743814] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 215.748309] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 215.753841] ? __cpuset_node_allowed+0x19b/0x660 [ 215.758593] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 215.764301] ? delayacct_end+0x5a/0x100 [ 215.768281] do_try_to_free_pages+0x3e7/0x1290 [ 215.772859] ? zap_class+0x640/0x640 [ 215.776579] ? shrink_node+0x16b0/0x16b0 [ 215.780636] ? __lock_is_held+0xb5/0x140 [ 215.784707] try_to_free_pages+0x4d0/0xb90 [ 215.788942] ? do_try_to_free_pages+0x1290/0x1290 [ 215.793792] ? lock_acquire+0x1ed/0x520 [ 215.797762] ? set_page_refcounted+0x280/0x280 [ 215.802346] ? lock_release+0xa00/0xa00 [ 215.807013] ? _raw_spin_unlock_irq+0x60/0x80 [ 215.811507] ? psi_memstall_enter+0x240/0x2b0 [ 215.816000] ? psi_memstall_tick+0x230/0x230 [ 215.820419] __alloc_pages_slowpath+0xa14/0x2e10 [ 215.825203] ? warn_alloc+0x120/0x120 [ 215.828996] ? mark_held_locks+0x130/0x130 [ 215.833228] ? find_get_entry+0xaae/0x1120 [ 215.837475] ? filemap_map_pages+0x1a20/0x1a20 [ 215.842056] ? zap_class+0x640/0x640 [ 215.845771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.851309] ? check_preemption_disabled+0x48/0x280 [ 215.856321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.861851] ? should_fail+0x22d/0xd01 [ 215.865741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 215.870838] ? zap_class+0x640/0x640 [ 215.874571] ? __lock_is_held+0xb5/0x140 [ 215.878636] ? mark_held_locks+0x130/0x130 [ 215.882869] ? lock_release+0xa00/0xa00 [ 215.886839] ? perf_trace_sched_process_exec+0x860/0x860 [ 215.892286] ? xa_load+0x2ba/0x460 [ 215.895825] ? lock_downgrade+0x900/0x900 [ 215.899973] ? __might_sleep+0x95/0x190 [ 215.903945] __alloc_pages_nodemask+0xa80/0xde0 [ 215.908621] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 215.913635] ? __page_cache_alloc+0x191/0x5c0 [ 215.918121] ? xa_load+0x2e1/0x460 [ 215.921659] ? xa_clear_mark+0x40/0x40 [ 215.925543] ? zap_class+0x640/0x640 [ 215.929261] ? zap_class+0x640/0x640 [ 215.932969] ? zap_class+0x640/0x640 [ 215.936675] ? __do_page_cache_readahead+0x663/0x810 [ 215.941775] ? find_held_lock+0x36/0x1c0 [ 215.945835] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 215.951381] alloc_pages_current+0x173/0x350 [ 215.955793] __page_cache_alloc+0x38c/0x5c0 [ 215.960279] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 215.965200] ? kasan_check_read+0x11/0x20 [ 215.969346] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 215.974618] ? generic_perform_write+0x6a0/0x6a0 [ 215.979369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.984905] ? check_preemption_disabled+0x48/0x280 [ 215.989932] filemap_fault+0x1595/0x25f0 [ 215.994005] ? __lock_page_or_retry+0xa00/0xa00 [ 215.998669] ? mark_held_locks+0x130/0x130 [ 216.002911] ? filemap_map_pages+0xd6b/0x1a20 [ 216.007416] ? lock_downgrade+0x900/0x900 [ 216.011563] ? check_preemption_disabled+0x48/0x280 [ 216.016576] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 216.021499] ? kasan_check_read+0x11/0x20 [ 216.025646] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 216.030915] ? rcu_softirq_qs+0x20/0x20 [ 216.034898] ? filemap_map_pages+0xd92/0x1a20 [ 216.039392] ? print_usage_bug+0xc0/0xc0 [ 216.043460] ? find_get_entries_tag+0x1400/0x1400 [ 216.048305] ? __kasan_slab_free+0x102/0x150 [ 216.052708] ? kasan_slab_free+0xe/0x10 [ 216.056679] ? kmem_cache_free+0x83/0x290 [ 216.060820] ? __sigqueue_free.part.29+0x74/0x90 [ 216.065583] ? lock_acquire+0x1ed/0x520 [ 216.069554] ? ext4_filemap_fault+0x7a/0xad [ 216.073878] ? lock_release+0xa00/0xa00 [ 216.077843] ? perf_trace_sched_process_exec+0x860/0x860 [ 216.083287] ? print_usage_bug+0xc0/0xc0 [ 216.087343] ? print_usage_bug+0xc0/0xc0 [ 216.091419] ? down_read+0x8d/0x120 [ 216.095037] ? ext4_filemap_fault+0x7a/0xad [ 216.099358] ? __down_interruptible+0x700/0x700 [ 216.104032] ext4_filemap_fault+0x82/0xad [ 216.108175] __do_fault+0x100/0x6b0 [ 216.111800] ? pmd_devmap_trans_unstable+0x220/0x220 [ 216.116902] ? mark_held_locks+0x130/0x130 [ 216.121138] ? mark_held_locks+0x130/0x130 [ 216.125367] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 216.130906] ? rcu_pm_notify+0xc0/0xc0 [ 216.134807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.140348] __handle_mm_fault+0x3ea0/0x5be0 [ 216.144760] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 216.149594] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.154413] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 216.158994] ? trace_hardirqs_on+0xbd/0x310 [ 216.163309] ? kasan_check_read+0x11/0x20 [ 216.167453] ? __set_current_blocked+0xdf/0x120 [ 216.172121] ? trace_hardirqs_off_caller+0x310/0x310 [ 216.177232] ? zap_class+0x640/0x640 [ 216.180944] ? zap_class+0x640/0x640 [ 216.184661] ? find_held_lock+0x36/0x1c0 [ 216.188729] ? handle_mm_fault+0x42a/0xc70 [ 216.192969] ? lock_downgrade+0x900/0x900 [ 216.197114] ? check_preemption_disabled+0x48/0x280 [ 216.202128] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 216.207050] ? kasan_check_read+0x11/0x20 [ 216.211195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 216.216465] ? rcu_softirq_qs+0x20/0x20 [ 216.220437] ? trace_hardirqs_off_caller+0x310/0x310 [ 216.225534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.231067] ? check_preemption_disabled+0x48/0x280 [ 216.236083] handle_mm_fault+0x54f/0xc70 [ 216.240144] ? __handle_mm_fault+0x5be0/0x5be0 [ 216.244724] ? find_vma+0x34/0x190 [ 216.248277] __do_page_fault+0x5e8/0xe60 [ 216.252336] ? exit_to_usermode_loop+0x1f4/0x380 [ 216.257094] do_page_fault+0xf2/0x7e0 [ 216.260889] ? vmalloc_sync_all+0x30/0x30 [ 216.265033] ? error_entry+0x70/0xd0 [ 216.268741] ? trace_hardirqs_off_caller+0xbb/0x310 [ 216.273751] ? trace_hardirqs_on_caller+0xc0/0x310 [ 216.278673] ? syscall_return_slowpath+0x5e0/0x5e0 [ 216.283609] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.288450] ? trace_hardirqs_on_caller+0x310/0x310 [ 216.293462] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 216.298938] ? prepare_exit_to_usermode+0x291/0x3b0 [ 216.303948] ? page_fault+0x8/0x30 [ 216.307488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.312329] ? page_fault+0x8/0x30 [ 216.315878] page_fault+0x1e/0x30 [ 216.319322] RIP: 0033:0x45db60 [ 216.322524] Code: Bad RIP value. [ 216.325881] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 216.331238] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 216.338504] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 216.345854] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 216.353116] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 216.360386] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 216.367677] CPU: 0 PID: 9185 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #81 [ 216.367679] Mem-Info: [ 216.367710] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 216.367710] active_file:12 inactive_file:11 isolated_file:0 [ 216.367710] unevictable:0 dirty:0 writeback:0 unstable:0 [ 216.367710] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 216.367710] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 216.367710] free:13782 free_pcp:358 free_cma:0 [ 216.374863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.374871] Call Trace: [ 216.377307] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 216.410158] dump_stack+0x244/0x39d [ 216.419484] 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 [ 216.422066] ? dump_stack_print_info.cold.1+0x20/0x20 [ 216.449615] lowmem_reserve[]: 0 2818 6321 6321 [ 216.453248] warn_alloc.cold.116+0xb7/0x1bd [ 216.479320] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 216.484502] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 216.489050] lowmem_reserve[]: 0 0 3503 3503 [ 216.493379] ? lock_downgrade+0x900/0x900 [ 216.521280] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB [ 216.526121] ? trace_hardirqs_off+0xb8/0x310 [ 216.530400] lowmem_reserve[]: 0 0 0 0 [ 216.534558] ? trace_hardirqs_off+0xb8/0x310 [ 216.563586] 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 [ 216.567996] __alloc_pages_slowpath+0x26e8/0x2e10 [ 216.571754] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 216.576186] ? warn_alloc+0x120/0x120 [ 216.589656] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 216.594491] ? warn_alloc+0x120/0x120 [ 216.609636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 216.613427] ? dev_hard_start_xmit+0x42c/0xc80 [ 216.628312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 216.628321] 266 total pagecache pages [ 216.632114] ? warn_alloc+0x120/0x120 [ 216.641022] 0 pages in swap cache [ 216.645593] ? print_usage_bug+0xc0/0xc0 [ 216.654145] Swap cache stats: add 0, delete 0, find 0/0 [ 216.657932] ? find_held_lock+0x36/0x1c0 [ 216.661704] Free swap = 0kB [ 216.665147] ? print_usage_bug+0xc0/0xc0 [ 216.669192] Total swap = 0kB [ 216.674546] ? cpuacct_charge+0x265/0x440 [ 216.678577] 1965979 pages RAM [ 216.681583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.685618] 0 pages HighMem/MovableOnly [ 216.685626] 342854 pages reserved [ 216.688635] ? should_fail+0x22d/0xd01 [ 216.692751] 0 pages cma reserved [ 216.695847] ? find_held_lock+0x36/0x1c0 [ 216.701422] aoe: skb alloc failure [ 216.705330] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 216.705353] ? __lock_acquire+0x62f/0x4c20 [ 216.705373] ? should_fail+0x22d/0xd01 [ 216.708823] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 216.713399] ? mark_held_locks+0x130/0x130 [ 216.716726] syz-fuzzer cpuset=/ mems_allowed=0 [ 216.720779] ? mark_held_locks+0x130/0x130 [ 216.760697] ? __lock_acquire+0x62f/0x4c20 [ 216.764935] ? zap_class+0x640/0x640 [ 216.768646] ? __lock_is_held+0xb5/0x140 [ 216.772707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.778240] ? check_preemption_disabled+0x48/0x280 [ 216.783264] ? __lock_is_held+0xb5/0x140 [ 216.787326] __alloc_pages_nodemask+0xa80/0xde0 [ 216.792000] ? zap_class+0x640/0x640 [ 216.795716] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 216.800738] ? find_held_lock+0x36/0x1c0 [ 216.804803] ? ____cache_alloc_node+0x1c7/0x1e0 [ 216.809491] ? lock_downgrade+0x900/0x900 [ 216.813646] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 216.819186] cache_grow_begin+0xa5/0x8c0 [ 216.823247] ? do_raw_spin_unlock+0xa7/0x330 [ 216.827662] fallback_alloc+0x204/0x2e0 [ 216.831638] ____cache_alloc_node+0x1c7/0x1e0 [ 216.836137] kmem_cache_alloc+0x1f8/0x730 [ 216.840290] skb_clone+0x1bb/0x500 [ 216.843826] ? finish_task_switch+0x2f4/0x910 [ 216.848319] ? skb_split+0x11e0/0x11e0 [ 216.852211] ? preempt_notifier_register+0x200/0x200 [ 216.857307] ? __switch_to_asm+0x34/0x70 [ 216.861553] ? __switch_to_asm+0x34/0x70 [ 216.865604] ? __switch_to_asm+0x40/0x70 [ 216.869665] ? __switch_to_asm+0x34/0x70 [ 216.873724] ? __switch_to_asm+0x40/0x70 [ 216.877778] ? __switch_to_asm+0x34/0x70 [ 216.882091] ? __switch_to_asm+0x40/0x70 [ 216.886145] ? __switch_to_asm+0x34/0x70 [ 216.890200] ? __switch_to_asm+0x34/0x70 [ 216.894253] ? __switch_to_asm+0x40/0x70 [ 216.898311] ? __switch_to_asm+0x34/0x70 [ 216.902387] bpf_clone_redirect+0xb9/0x490 [ 216.906620] ? __schedule+0x8d7/0x21d0 [ 216.910507] bpf_prog_bebbfe2050753572+0x515/0x1000 [ 216.915522] ? __sched_text_start+0x8/0x8 [ 216.919666] ? retint_kernel+0x2d/0x2d [ 216.923559] ? find_held_lock+0x36/0x1c0 [ 216.927627] ? lock_acquire+0x1ed/0x520 [ 216.931596] ? bpf_test_run+0x3cb/0x780 [ 216.935570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.941105] ? check_preemption_disabled+0x48/0x280 [ 216.946122] ? kasan_check_read+0x11/0x20 [ 216.950266] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 216.955543] ? rcu_softirq_qs+0x20/0x20 [ 216.959529] ? preempt_schedule+0x4d/0x60 [ 216.963677] ? ___preempt_schedule+0x16/0x18 [ 216.968090] ? bpf_test_run+0x25d/0x780 [ 216.972072] ? netlink_diag_dump+0x2a0/0x2a0 [ 216.976504] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 216.982040] ? bpf_test_init.isra.10+0x70/0x100 [ 216.986711] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 216.991474] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 216.996312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 217.001850] ? fput+0x130/0x1a0 [ 217.005129] ? __bpf_prog_get+0x9b/0x290 [ 217.009187] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 217.014022] ? bpf_prog_test_run+0x130/0x1a0 [ 217.018428] ? __x64_sys_bpf+0x3d8/0x520 [ 217.022490] ? bpf_prog_get+0x20/0x20 [ 217.026317] ? do_syscall_64+0x1b9/0x820 [ 217.030385] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 217.035747] ? syscall_return_slowpath+0x5e0/0x5e0 [ 217.041539] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.046382] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.051398] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 217.056412] ? prepare_exit_to_usermode+0x291/0x3b0 [ 217.061428] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.066271] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.071658] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 217.071660] Mem-Info: [ 217.071694] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 217.071694] active_file:12 inactive_file:11 isolated_file:0 [ 217.071694] unevictable:0 dirty:0 writeback:0 unstable:0 [ 217.071694] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 217.071694] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 217.071694] free:13782 free_pcp:358 free_cma:0 [ 217.078586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.081013] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 217.113853] Call Trace: [ 217.123371] 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 [ 217.150853] [ 217.153413] lowmem_reserve[]: 0 2818 6321 6321 [ 217.179510] dump_stack+0x244/0x39d [ 217.181631] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 217.186215] ? dump_stack_print_info.cold.1+0x20/0x20 [ 217.189810] lowmem_reserve[]: 0 0 3503 3503 [ 217.217480] warn_alloc.cold.116+0xb7/0x1bd [ 217.222636] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 217.226947] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 217.231241] lowmem_reserve[]: 0 0 0 0 [ 217.260208] ? lock_downgrade+0x900/0x900 [ 217.265023] 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 [ 217.268818] ? trace_hardirqs_off+0xb8/0x310 [ 217.272935] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 217.286454] ? trace_hardirqs_off+0xb8/0x310 [ 217.290833] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 217.306089] __alloc_pages_slowpath+0x26e8/0x2e10 [ 217.310478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 217.326259] ? warn_alloc+0x120/0x120 [ 217.331074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 217.339896] ? warn_alloc+0x120/0x120 [ 217.343666] 266 total pagecache pages [ 217.352230] ? __lock_acquire+0x62f/0x4c20 [ 217.356008] 0 pages in swap cache [ 217.359790] ? warn_alloc+0x120/0x120 [ 217.363999] Swap cache stats: add 0, delete 0, find 0/0 [ 217.367448] ? print_usage_bug+0xc0/0xc0 [ 217.371218] Free swap = 0kB [ 217.376570] ? print_usage_bug+0xc0/0xc0 [ 217.380599] Total swap = 0kB [ 217.383605] ? mark_held_locks+0x130/0x130 [ 217.387638] 1965979 pages RAM [ 217.390644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.394846] 0 pages HighMem/MovableOnly [ 217.397937] ? should_fail+0x22d/0xd01 [ 217.403440] 342854 pages reserved [ 217.403448] 0 pages cma reserved [ 217.407407] ? zap_class+0x640/0x640 [ 217.421782] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.426898] ? __lock_acquire+0x62f/0x4c20 [ 217.431142] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.436250] ? should_fail+0x22d/0xd01 [ 217.440163] ? mark_held_locks+0x130/0x130 [ 217.444407] ? mark_held_locks+0x130/0x130 [ 217.448645] ? lock_downgrade+0x900/0x900 [ 217.452803] ? zap_class+0x640/0x640 [ 217.456527] ? zap_class+0x640/0x640 [ 217.460248] ? zap_class+0x640/0x640 [ 217.463981] ? do_raw_spin_unlock+0xa7/0x330 [ 217.468402] ? trace_hardirqs_on+0x310/0x310 [ 217.472825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.478380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.483925] ? check_preemption_disabled+0x48/0x280 [ 217.488959] ? __lock_is_held+0xb5/0x140 [ 217.493031] __alloc_pages_nodemask+0xa80/0xde0 [ 217.497709] ? zap_class+0x640/0x640 [ 217.501452] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 217.506488] ? find_held_lock+0x36/0x1c0 [ 217.510567] ? ____cache_alloc_node+0x1c7/0x1e0 [ 217.515240] ? lock_downgrade+0x900/0x900 [ 217.519403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.524954] cache_grow_begin+0xa5/0x8c0 [ 217.529023] ? do_raw_spin_unlock+0xa7/0x330 [ 217.533447] fallback_alloc+0x204/0x2e0 [ 217.537438] ____cache_alloc_node+0x1c7/0x1e0 [ 217.541942] kmem_cache_alloc_node+0xe3/0x730 [ 217.546444] ? __kmalloc_node_track_caller+0x50/0x70 [ 217.551552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.557099] __alloc_skb+0x119/0x770 [ 217.560821] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 217.566193] ? netdev_alloc_frag+0x1f0/0x1f0 [ 217.570617] ? vprintk_default+0x28/0x30 [ 217.574685] ? vprintk_func+0x85/0x181 [ 217.578577] ? printk+0xa7/0xcf [ 217.581864] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 217.586627] ? trace_hardirqs_off+0xb8/0x310 [ 217.591047] new_skb+0x26/0x1c0 [ 217.594338] aoecmd_cfg+0x279/0x7f0 [ 217.597975] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 217.602320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.607877] ? __lock_is_held+0xb5/0x140 [ 217.611956] discover_timer+0x50/0x60 [ 217.615762] call_timer_fn+0x272/0x920 [ 217.619655] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 217.624517] ? process_timeout+0x40/0x40 [ 217.628590] ? mark_held_locks+0xc7/0x130 [ 217.632748] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.637247] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.642080] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 217.646930] ? lockdep_hardirqs_on+0x296/0x5b0 [ 217.651522] ? trace_hardirqs_on+0xbd/0x310 [ 217.655848] ? kasan_check_read+0x11/0x20 [ 217.660004] ? __run_timers+0x7da/0xc70 [ 217.663985] ? trace_hardirqs_off_caller+0x310/0x310 [ 217.669108] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 217.673953] __run_timers+0x7e5/0xc70 [ 217.677772] ? timer_fixup_init+0x70/0x70 [ 217.681933] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 217.686955] ? zap_class+0x640/0x640 [ 217.690678] ? print_usage_bug+0xc0/0xc0 [ 217.694749] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 217.699950] ? find_held_lock+0x36/0x1c0 [ 217.704025] ? zap_class+0x640/0x640 [ 217.707749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.713301] ? check_preemption_disabled+0x48/0x280 [ 217.718333] ? __lock_is_held+0xb5/0x140 [ 217.722402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.727948] ? check_preemption_disabled+0x48/0x280 [ 217.732980] run_timer_softirq+0x52/0xb0 [ 217.737044] ? rcu_read_lock_sched_held+0x14f/0x180 [ 217.742071] __do_softirq+0x308/0xb7e [ 217.745886] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 217.750385] ? lock_downgrade+0x900/0x900 [ 217.754540] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 217.759652] ? pvclock_read_flags+0x160/0x160 [ 217.764156] ? lapic_next_event+0x5a/0x90 [ 217.768308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.773857] ? kvm_clock_read+0x18/0x30 [ 217.777834] ? kvm_sched_clock_read+0x9/0x20 [ 217.782270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.787819] ? check_preemption_disabled+0x48/0x280 [ 217.792853] irq_exit+0x17f/0x1c0 [ 217.796315] smp_apic_timer_interrupt+0x1cb/0x760 [ 217.801165] ? smp_reschedule_interrupt+0x109/0x650 [ 217.806190] ? smp_call_function_single_interrupt+0x650/0x650 [ 217.812610] ? interrupt_entry+0xb5/0xc0 [ 217.816678] ? trace_hardirqs_off_caller+0xbb/0x310 [ 217.821697] ? trace_hardirqs_off_caller+0xbb/0x310 [ 217.826718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.831570] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.836589] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.841612] ? task_prio+0x50/0x50 [ 217.845158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.850701] ? check_preemption_disabled+0x48/0x280 [ 217.855728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.860592] apic_timer_interrupt+0xf/0x20 [ 217.864827] [ 217.867071] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 217.872090] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 217.890998] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 217.898715] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 217.905985] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 217.913345] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 217.920621] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 217.927896] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 217.935211] rcu_read_lock_held+0xa9/0xc0 [ 217.939547] css_next_child+0x2a2/0x620 [ 217.943530] ? cgroup_mount+0xd30/0xd30 [ 217.947516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.953062] ? check_preemption_disabled+0x48/0x280 [ 217.958180] ? __lock_is_held+0xb5/0x140 [ 217.962272] css_next_descendant_pre+0xeb/0x190 [ 217.966948] mem_cgroup_iter+0x42f/0x1160 [ 217.971107] ? kasan_check_write+0x14/0x20 [ 217.975357] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 217.980122] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 217.985153] ? shrink_slab+0xfa/0x8c0 [ 217.988956] ? shrink_active_list+0x1f00/0x1f00 [ 217.993636] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 217.999272] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 218.004388] ? cgroup_procs_write_finish+0xf0/0xf0 [ 218.009328] ? find_held_lock+0x36/0x1c0 [ 218.013409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.018951] ? vmpressure+0x1a2/0x340 [ 218.022768] shrink_node+0x516/0x16b0 [ 218.026579] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 218.031887] ? shrink_node_memcg+0x18f0/0x18f0 [ 218.036478] ? kvm_clock_read+0x18/0x30 [ 218.040457] ? ktime_get+0x2c1/0x400 [ 218.044184] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 218.048688] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 218.054250] ? __cpuset_node_allowed+0x19b/0x660 [ 218.059023] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 218.064740] ? delayacct_end+0x5a/0x100 [ 218.068737] do_try_to_free_pages+0x3e7/0x1290 [ 218.073330] ? zap_class+0x640/0x640 [ 218.077070] ? shrink_node+0x16b0/0x16b0 [ 218.081134] ? __lock_is_held+0xb5/0x140 [ 218.085217] try_to_free_pages+0x4d0/0xb90 [ 218.089471] ? do_try_to_free_pages+0x1290/0x1290 [ 218.094336] ? lock_acquire+0x1ed/0x520 [ 218.098314] ? set_page_refcounted+0x280/0x280 [ 218.102910] ? lock_release+0xa00/0xa00 [ 218.106892] ? _raw_spin_unlock_irq+0x60/0x80 [ 218.111397] ? psi_memstall_enter+0x240/0x2b0 [ 218.115898] ? psi_memstall_tick+0x230/0x230 [ 218.120325] __alloc_pages_slowpath+0xa14/0x2e10 [ 218.125119] ? warn_alloc+0x120/0x120 [ 218.128922] ? mark_held_locks+0x130/0x130 [ 218.133166] ? find_get_entry+0xaae/0x1120 [ 218.137414] ? filemap_map_pages+0x1a20/0x1a20 [ 218.142008] ? zap_class+0x640/0x640 [ 218.145733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.151283] ? check_preemption_disabled+0x48/0x280 [ 218.156307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.161848] ? should_fail+0x22d/0xd01 [ 218.165752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.170868] ? zap_class+0x640/0x640 [ 218.174616] ? __lock_is_held+0xb5/0x140 [ 218.178690] ? mark_held_locks+0x130/0x130 [ 218.182937] ? lock_release+0xa00/0xa00 [ 218.186919] ? perf_trace_sched_process_exec+0x860/0x860 [ 218.192377] ? xa_load+0x2ba/0x460 [ 218.195926] ? lock_downgrade+0x900/0x900 [ 218.200082] ? __might_sleep+0x95/0x190 [ 218.204066] __alloc_pages_nodemask+0xa80/0xde0 [ 218.208749] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 218.213783] ? __page_cache_alloc+0x191/0x5c0 [ 218.218280] ? xa_load+0x2e1/0x460 [ 218.221826] ? xa_clear_mark+0x40/0x40 [ 218.225721] ? zap_class+0x640/0x640 [ 218.229449] ? zap_class+0x640/0x640 [ 218.233168] ? zap_class+0x640/0x640 [ 218.236883] ? __do_page_cache_readahead+0x663/0x810 [ 218.241996] ? find_held_lock+0x36/0x1c0 [ 218.246068] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 218.251616] alloc_pages_current+0x173/0x350 [ 218.256041] __page_cache_alloc+0x38c/0x5c0 [ 218.260370] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 218.265305] ? kasan_check_read+0x11/0x20 [ 218.269463] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 218.274747] ? generic_perform_write+0x6a0/0x6a0 [ 218.279513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.285058] ? check_preemption_disabled+0x48/0x280 [ 218.290089] filemap_fault+0x1595/0x25f0 [ 218.294172] ? __lock_page_or_retry+0xa00/0xa00 [ 218.298850] ? mark_held_locks+0x130/0x130 [ 218.303103] ? filemap_map_pages+0xd6b/0x1a20 [ 218.307605] ? lock_downgrade+0x900/0x900 [ 218.311761] ? check_preemption_disabled+0x48/0x280 [ 218.316785] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 218.321721] ? kasan_check_read+0x11/0x20 [ 218.325878] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 218.331160] ? rcu_softirq_qs+0x20/0x20 [ 218.335154] ? filemap_map_pages+0xd92/0x1a20 [ 218.339663] ? print_usage_bug+0xc0/0xc0 [ 218.343748] ? find_get_entries_tag+0x1400/0x1400 [ 218.348594] ? __kasan_slab_free+0x102/0x150 [ 218.353005] ? kasan_slab_free+0xe/0x10 [ 218.356985] ? kmem_cache_free+0x83/0x290 [ 218.361140] ? __sigqueue_free.part.29+0x74/0x90 [ 218.365920] ? lock_acquire+0x1ed/0x520 [ 218.369898] ? ext4_filemap_fault+0x7a/0xad [ 218.374237] ? lock_release+0xa00/0xa00 [ 218.378220] ? perf_trace_sched_process_exec+0x860/0x860 [ 218.383676] ? print_usage_bug+0xc0/0xc0 [ 218.387747] ? print_usage_bug+0xc0/0xc0 [ 218.391825] ? down_read+0x8d/0x120 [ 218.395453] ? ext4_filemap_fault+0x7a/0xad [ 218.399792] ? __down_interruptible+0x700/0x700 [ 218.404475] ext4_filemap_fault+0x82/0xad [ 218.408631] __do_fault+0x100/0x6b0 [ 218.412273] ? pmd_devmap_trans_unstable+0x220/0x220 [ 218.417383] ? mark_held_locks+0x130/0x130 [ 218.421623] ? mark_held_locks+0x130/0x130 [ 218.425865] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 218.431407] ? rcu_pm_notify+0xc0/0xc0 [ 218.435309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.440857] __handle_mm_fault+0x3ea0/0x5be0 [ 218.445279] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 218.450127] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.454629] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 218.459223] ? trace_hardirqs_on+0xbd/0x310 [ 218.463553] ? kasan_check_read+0x11/0x20 [ 218.467715] ? __set_current_blocked+0xdf/0x120 [ 218.472391] ? trace_hardirqs_off_caller+0x310/0x310 [ 218.477510] ? zap_class+0x640/0x640 [ 218.481236] ? zap_class+0x640/0x640 [ 218.484960] ? find_held_lock+0x36/0x1c0 [ 218.489035] ? handle_mm_fault+0x42a/0xc70 [ 218.493277] ? lock_downgrade+0x900/0x900 [ 218.497433] ? check_preemption_disabled+0x48/0x280 [ 218.502458] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 218.507398] ? kasan_check_read+0x11/0x20 [ 218.511546] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 218.516827] ? rcu_softirq_qs+0x20/0x20 [ 218.520808] ? trace_hardirqs_off_caller+0x310/0x310 [ 218.525917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.531458] ? check_preemption_disabled+0x48/0x280 [ 218.536492] handle_mm_fault+0x54f/0xc70 [ 218.540567] ? __handle_mm_fault+0x5be0/0x5be0 [ 218.545160] ? find_vma+0x34/0x190 [ 218.548720] __do_page_fault+0x5e8/0xe60 [ 218.552792] ? exit_to_usermode_loop+0x1f4/0x380 [ 218.557565] do_page_fault+0xf2/0x7e0 [ 218.561376] ? vmalloc_sync_all+0x30/0x30 [ 218.565533] ? error_entry+0x70/0xd0 [ 218.569254] ? trace_hardirqs_off_caller+0xbb/0x310 [ 218.574278] ? trace_hardirqs_on_caller+0xc0/0x310 [ 218.579220] ? syscall_return_slowpath+0x5e0/0x5e0 [ 218.584163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.589022] ? trace_hardirqs_on_caller+0x310/0x310 [ 218.594044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.599509] ? prepare_exit_to_usermode+0x291/0x3b0 [ 218.604535] ? page_fault+0x8/0x30 [ 218.608082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.613127] ? page_fault+0x8/0x30 [ 218.616673] page_fault+0x1e/0x30 [ 218.620126] RIP: 0033:0x45db60 [ 218.623338] Code: Bad RIP value. [ 218.624738] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 218.626696] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 218.626712] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 218.637265] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 218.642609] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 218.642620] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 218.669158] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 218.676428] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 218.683718] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 218.683777] aoe: skb alloc failure [ 218.690454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.690461] Call Trace: [ 218.694028] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 218.703330] dump_stack+0x244/0x39d [ 218.705883] syz-fuzzer cpuset=/ mems_allowed=0 [ 218.716095] ? dump_stack_print_info.cold.1+0x20/0x20 [ 218.729438] warn_alloc.cold.116+0xb7/0x1bd [ 218.733754] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 218.738593] ? lock_downgrade+0x900/0x900 [ 218.742751] ? trace_hardirqs_off+0xb8/0x310 [ 218.747162] ? trace_hardirqs_off+0xb8/0x310 [ 218.751577] __alloc_pages_slowpath+0x26e8/0x2e10 [ 218.756443] ? warn_alloc+0x120/0x120 [ 218.760330] ? warn_alloc+0x120/0x120 [ 218.764133] ? warn_alloc+0x120/0x120 [ 218.767930] ? print_usage_bug+0xc0/0xc0 [ 218.771985] ? print_usage_bug+0xc0/0xc0 [ 218.776044] ? print_usage_bug+0xc0/0xc0 [ 218.780098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.785631] ? check_preemption_disabled+0x48/0x280 [ 218.790645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.796185] ? should_fail+0x22d/0xd01 [ 218.800069] ? ring_buffer_record_is_on+0xe1/0x130 [ 218.805001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.810103] ? __lock_acquire+0x62f/0x4c20 [ 218.814342] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.819438] ? __lock_acquire+0x62f/0x4c20 [ 218.823669] ? should_fail+0x22d/0xd01 [ 218.827559] ? mark_held_locks+0x130/0x130 [ 218.831794] ? mark_held_locks+0x130/0x130 [ 218.836025] ? lock_downgrade+0x900/0x900 [ 218.840179] ? zap_class+0x640/0x640 [ 218.843888] ? print_usage_bug+0xc0/0xc0 [ 218.847946] ? trace_hardirqs_off+0xb8/0x310 [ 218.852352] ? kasan_check_read+0x11/0x20 [ 218.856494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.862026] ? check_preemption_disabled+0x48/0x280 [ 218.867044] ? __lock_is_held+0xb5/0x140 [ 218.871106] __alloc_pages_nodemask+0xa80/0xde0 [ 218.875771] ? zap_class+0x640/0x640 [ 218.879482] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 218.884505] ? find_held_lock+0x36/0x1c0 [ 218.888573] ? ____cache_alloc_node+0x1c7/0x1e0 [ 218.893239] ? lock_downgrade+0x900/0x900 [ 218.897389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.902923] cache_grow_begin+0xa5/0x8c0 [ 218.906978] ? do_raw_spin_unlock+0xa7/0x330 [ 218.911388] fallback_alloc+0x204/0x2e0 [ 218.915367] ____cache_alloc_node+0x1c7/0x1e0 [ 218.919859] kmem_cache_alloc_node+0xe3/0x730 [ 218.924351] ? ipv6_get_ifaddr+0x42e/0x620 [ 218.928587] __alloc_skb+0x119/0x770 [ 218.932294] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 218.937566] ? netdev_alloc_frag+0x1f0/0x1f0 [ 218.941968] ? lock_downgrade+0x900/0x900 [ 218.946118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.951653] ? refcount_sub_and_test_checked+0x203/0x310 [ 218.957100] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 218.962547] ? addrconf_rs_timer+0x690/0x690 [ 218.966961] ndisc_alloc_skb+0x144/0x340 [ 218.971021] ndisc_send_rs+0x331/0x6e0 [ 218.974907] addrconf_rs_timer+0x314/0x690 [ 218.979141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.983390] call_timer_fn+0x272/0x920 [ 218.987273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.991507] ? process_timeout+0x40/0x40 [ 218.995569] ? __run_timers+0x7da/0xc70 [ 218.999539] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.004025] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.008518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.012745] ? lockdep_hardirqs_on+0x296/0x5b0 [ 219.017327] ? trace_hardirqs_on+0xbd/0x310 [ 219.021641] ? kasan_check_read+0x11/0x20 [ 219.025780] ? __run_timers+0x7da/0xc70 [ 219.029748] ? trace_hardirqs_off_caller+0x310/0x310 [ 219.034856] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.039086] __run_timers+0x7e5/0xc70 [ 219.042891] ? timer_fixup_init+0x70/0x70 [ 219.047037] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.051525] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.056018] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 219.060594] ? trace_hardirqs_on+0xbd/0x310 [ 219.064908] ? kasan_check_read+0x11/0x20 [ 219.069055] ? finish_task_switch+0x1f4/0x910 [ 219.073544] ? trace_hardirqs_off_caller+0x310/0x310 [ 219.078640] ? compat_start_thread+0x80/0x80 [ 219.083060] ? pvclock_read_flags+0x160/0x160 [ 219.087550] ? __switch_to_asm+0x34/0x70 [ 219.091615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.097320] ? check_preemption_disabled+0x48/0x280 [ 219.102343] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 219.107875] ? rcu_pm_notify+0xc0/0xc0 [ 219.111761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.117296] ? check_preemption_disabled+0x48/0x280 [ 219.122314] run_timer_softirq+0x52/0xb0 [ 219.126374] ? rcu_read_lock_sched_held+0x14f/0x180 [ 219.131390] __do_softirq+0x308/0xb7e [ 219.135200] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 219.140299] ? smpboot_thread_fn+0x334/0xa00 [ 219.144707] ? schedule+0x108/0x460 [ 219.148333] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 219.153095] ? trace_hardirqs_off+0xb8/0x310 [ 219.157498] ? smpboot_thread_fn+0x68b/0xa00 [ 219.161901] ? trace_hardirqs_on+0x310/0x310 [ 219.166304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.171836] ? check_preemption_disabled+0x48/0x280 [ 219.176848] ? takeover_tasklets+0xa90/0xa90 [ 219.181254] run_ksoftirqd+0x5e/0x100 [ 219.185051] smpboot_thread_fn+0x68b/0xa00 [ 219.189290] ? sort_range+0x30/0x30 [ 219.192912] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 219.198008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.203537] ? __kthread_parkme+0xfb/0x1a0 [ 219.207768] ? sort_range+0x30/0x30 [ 219.211392] kthread+0x35a/0x440 [ 219.214756] ? kthread_stop+0x900/0x900 [ 219.218726] ret_from_fork+0x3a/0x50 [ 219.222451] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 219.222456] warn_alloc_show_mem: 1 callbacks suppressed [ 219.222462] Mem-Info: [ 219.229376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.234743] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 219.234743] active_file:12 inactive_file:11 isolated_file:0 [ 219.234743] unevictable:0 dirty:0 writeback:0 unstable:0 [ 219.234743] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 219.234743] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 219.234743] free:13782 free_pcp:358 free_cma:0 [ 219.237110] Call Trace: [ 219.246496] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 219.279333] [ 219.281896] 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 [ 219.309383] dump_stack+0x244/0x39d [ 219.311503] lowmem_reserve[]: 0 2818 6321 6321 [ 219.337604] ? dump_stack_print_info.cold.1+0x20/0x20 [ 219.341200] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 219.345789] warn_alloc.cold.116+0xb7/0x1bd [ 219.350936] lowmem_reserve[]: 0 0 3503 3503 [ 219.378617] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 219.382902] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 219.387213] ? lock_downgrade+0x900/0x900 [ 219.392042] lowmem_reserve[]: 0 0 0 0 [ 219.421015] ? trace_hardirqs_off+0xb8/0x310 [ 219.425138] 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 [ 219.428976] ? trace_hardirqs_off+0xb8/0x310 [ 219.433352] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 219.446872] __alloc_pages_slowpath+0x26e8/0x2e10 [ 219.451247] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 219.466434] ? warn_alloc+0x120/0x120 [ 219.471231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 219.486300] ? warn_alloc+0x120/0x120 [ 219.490078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 219.498897] ? warn_alloc+0x120/0x120 [ 219.502667] 266 total pagecache pages [ 219.511230] ? print_usage_bug+0xc0/0xc0 [ 219.515094] 0 pages in swap cache [ 219.518883] ? print_usage_bug+0xc0/0xc0 [ 219.522918] Swap cache stats: add 0, delete 0, find 0/0 [ 219.526355] ? ktime_get+0x2c1/0x400 [ 219.530397] Free swap = 0kB [ 219.535746] ? check_preemption_disabled+0x48/0x280 [ 219.539430] Total swap = 0kB [ 219.542436] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 219.547423] 1965979 pages RAM [ 219.550431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.554896] 0 pages HighMem/MovableOnly [ 219.557990] ? should_fail+0x22d/0xd01 [ 219.563493] 342854 pages reserved [ 219.567454] ? kasan_check_read+0x11/0x20 [ 219.571304] 0 pages cma reserved [ 219.571383] net_ratelimit: 246 callbacks suppressed [ 219.571389] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 219.574751] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.574766] ? __lock_acquire+0x62f/0x4c20 [ 219.574783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.578950] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 219.582259] ? should_fail+0x22d/0xd01 [ 219.587244] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 219.593720] ? print_usage_bug+0xc0/0xc0 [ 219.630964] ? mark_held_locks+0x130/0x130 [ 219.635200] ? mark_held_locks+0x130/0x130 [ 219.639703] ? check_preemption_disabled+0x48/0x280 [ 219.644732] ? zap_class+0x640/0x640 [ 219.648443] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 219.653202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.658733] ? check_preemption_disabled+0x48/0x280 [ 219.663753] ? __lock_is_held+0xb5/0x140 [ 219.667819] __alloc_pages_nodemask+0xa80/0xde0 [ 219.672485] ? zap_class+0x640/0x640 [ 219.676199] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 219.681222] ? find_held_lock+0x36/0x1c0 [ 219.685286] ? ____cache_alloc_node+0x1c7/0x1e0 [ 219.689954] ? lock_downgrade+0x900/0x900 [ 219.694113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.699656] cache_grow_begin+0xa5/0x8c0 [ 219.703712] ? do_raw_spin_unlock+0xa7/0x330 [ 219.708128] fallback_alloc+0x204/0x2e0 [ 219.712107] ____cache_alloc_node+0x1c7/0x1e0 [ 219.716690] kmem_cache_alloc_node+0xe3/0x730 [ 219.721179] ? __kmalloc_node_track_caller+0x50/0x70 [ 219.726282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.731822] __alloc_skb+0x119/0x770 [ 219.735527] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 219.740886] ? netdev_alloc_frag+0x1f0/0x1f0 [ 219.745300] ? vprintk_default+0x28/0x30 [ 219.749355] ? vprintk_func+0x85/0x181 [ 219.753238] ? printk+0xa7/0xcf [ 219.756515] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 219.761268] ? trace_hardirqs_off+0xb8/0x310 [ 219.765679] new_skb+0x26/0x1c0 [ 219.768956] aoecmd_cfg+0x279/0x7f0 [ 219.772586] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 219.776913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.782453] ? __lock_is_held+0xb5/0x140 [ 219.786517] discover_timer+0x50/0x60 [ 219.790312] call_timer_fn+0x272/0x920 [ 219.794194] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 219.799034] ? process_timeout+0x40/0x40 [ 219.803106] ? mark_held_locks+0xc7/0x130 [ 219.807750] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.812241] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.816733] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 219.821571] ? lockdep_hardirqs_on+0x296/0x5b0 [ 219.826150] ? trace_hardirqs_on+0xbd/0x310 [ 219.830471] ? kasan_check_read+0x11/0x20 [ 219.834620] ? __run_timers+0x7da/0xc70 [ 219.838588] ? trace_hardirqs_off_caller+0x310/0x310 [ 219.843703] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 219.848538] __run_timers+0x7e5/0xc70 [ 219.852340] ? timer_fixup_init+0x70/0x70 [ 219.856487] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 219.861500] ? zap_class+0x640/0x640 [ 219.865213] ? print_usage_bug+0xc0/0xc0 [ 219.869270] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 219.874460] ? find_held_lock+0x36/0x1c0 [ 219.878524] ? zap_class+0x640/0x640 [ 219.882239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.887775] ? check_preemption_disabled+0x48/0x280 [ 219.892796] ? __lock_is_held+0xb5/0x140 [ 219.896855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.902473] ? check_preemption_disabled+0x48/0x280 [ 219.907486] run_timer_softirq+0x52/0xb0 [ 219.911541] ? rcu_read_lock_sched_held+0x14f/0x180 [ 219.916551] __do_softirq+0x308/0xb7e [ 219.920347] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 219.924836] ? lock_downgrade+0x900/0x900 [ 219.928983] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 219.934101] ? pvclock_read_flags+0x160/0x160 [ 219.938595] ? lapic_next_event+0x5a/0x90 [ 219.942744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.948283] ? kvm_clock_read+0x18/0x30 [ 219.952255] ? kvm_sched_clock_read+0x9/0x20 [ 219.956660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.962196] ? check_preemption_disabled+0x48/0x280 [ 219.967214] irq_exit+0x17f/0x1c0 [ 219.970667] smp_apic_timer_interrupt+0x1cb/0x760 [ 219.975506] ? smp_reschedule_interrupt+0x109/0x650 [ 219.980517] ? smp_call_function_single_interrupt+0x650/0x650 [ 219.986395] ? interrupt_entry+0xb5/0xc0 [ 219.990454] ? trace_hardirqs_off_caller+0xbb/0x310 [ 219.995466] ? trace_hardirqs_off_caller+0xbb/0x310 [ 220.000482] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.005325] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.010339] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.015358] ? task_prio+0x50/0x50 [ 220.018893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.024425] ? check_preemption_disabled+0x48/0x280 [ 220.029440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.034289] apic_timer_interrupt+0xf/0x20 [ 220.038514] [ 220.040750] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 220.045765] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 220.064661] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 220.072362] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 220.079626] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 220.086891] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 220.094155] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 220.101416] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 220.108707] rcu_read_lock_held+0xa9/0xc0 [ 220.112853] css_next_child+0x2a2/0x620 [ 220.116830] ? cgroup_mount+0xd30/0xd30 [ 220.120801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.126332] ? check_preemption_disabled+0x48/0x280 [ 220.131353] ? __lock_is_held+0xb5/0x140 [ 220.135433] css_next_descendant_pre+0xeb/0x190 [ 220.140103] mem_cgroup_iter+0x42f/0x1160 [ 220.144253] ? kasan_check_write+0x14/0x20 [ 220.148492] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 220.153242] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 220.158260] ? shrink_slab+0xfa/0x8c0 [ 220.162065] ? shrink_active_list+0x1f00/0x1f00 [ 220.166737] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 220.172355] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 220.177461] ? cgroup_procs_write_finish+0xf0/0xf0 [ 220.182389] ? find_held_lock+0x36/0x1c0 [ 220.186445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.191976] ? vmpressure+0x1a2/0x340 [ 220.195773] shrink_node+0x516/0x16b0 [ 220.199568] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 220.204866] ? shrink_node_memcg+0x18f0/0x18f0 [ 220.209447] ? kvm_clock_read+0x18/0x30 [ 220.213417] ? ktime_get+0x2c1/0x400 [ 220.217133] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 220.221626] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 220.227158] ? __cpuset_node_allowed+0x19b/0x660 [ 220.231910] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 220.237617] ? delayacct_end+0x5a/0x100 [ 220.241599] do_try_to_free_pages+0x3e7/0x1290 [ 220.246175] ? zap_class+0x640/0x640 [ 220.249899] ? shrink_node+0x16b0/0x16b0 [ 220.253955] ? __lock_is_held+0xb5/0x140 [ 220.258022] try_to_free_pages+0x4d0/0xb90 [ 220.262267] ? do_try_to_free_pages+0x1290/0x1290 [ 220.267114] ? lock_acquire+0x1ed/0x520 [ 220.271082] ? set_page_refcounted+0x280/0x280 [ 220.275665] ? lock_release+0xa00/0xa00 [ 220.279635] ? _raw_spin_unlock_irq+0x60/0x80 [ 220.284123] ? psi_memstall_enter+0x240/0x2b0 [ 220.288615] ? psi_memstall_tick+0x230/0x230 [ 220.293026] __alloc_pages_slowpath+0xa14/0x2e10 [ 220.297806] ? warn_alloc+0x120/0x120 [ 220.301606] ? mark_held_locks+0x130/0x130 [ 220.305840] ? find_get_entry+0xaae/0x1120 [ 220.310085] ? filemap_map_pages+0x1a20/0x1a20 [ 220.314666] ? zap_class+0x640/0x640 [ 220.318382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.323913] ? check_preemption_disabled+0x48/0x280 [ 220.328926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.334462] ? should_fail+0x22d/0xd01 [ 220.338346] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.343445] ? zap_class+0x640/0x640 [ 220.347180] ? __lock_is_held+0xb5/0x140 [ 220.351329] ? mark_held_locks+0x130/0x130 [ 220.355559] ? lock_release+0xa00/0xa00 [ 220.359529] ? perf_trace_sched_process_exec+0x860/0x860 [ 220.364975] ? xa_load+0x2ba/0x460 [ 220.368512] ? lock_downgrade+0x900/0x900 [ 220.372656] ? __might_sleep+0x95/0x190 [ 220.376628] __alloc_pages_nodemask+0xa80/0xde0 [ 220.381303] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 220.386327] ? __page_cache_alloc+0x191/0x5c0 [ 220.390822] ? xa_load+0x2e1/0x460 [ 220.394357] ? xa_clear_mark+0x40/0x40 [ 220.398276] ? zap_class+0x640/0x640 [ 220.401999] ? zap_class+0x640/0x640 [ 220.405710] ? zap_class+0x640/0x640 [ 220.409421] ? __do_page_cache_readahead+0x663/0x810 [ 220.414522] ? find_held_lock+0x36/0x1c0 [ 220.418588] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 220.424129] alloc_pages_current+0x173/0x350 [ 220.428539] __page_cache_alloc+0x38c/0x5c0 [ 220.432856] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 220.437778] ? kasan_check_read+0x11/0x20 [ 220.441924] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 220.447200] ? generic_perform_write+0x6a0/0x6a0 [ 220.451950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.457483] ? check_preemption_disabled+0x48/0x280 [ 220.462500] filemap_fault+0x1595/0x25f0 [ 220.466575] ? __lock_page_or_retry+0xa00/0xa00 [ 220.471255] ? mark_held_locks+0x130/0x130 [ 220.475497] ? filemap_map_pages+0xd6b/0x1a20 [ 220.479991] ? lock_downgrade+0x900/0x900 [ 220.484136] ? check_preemption_disabled+0x48/0x280 [ 220.489152] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 220.494079] ? kasan_check_read+0x11/0x20 [ 220.498224] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 220.503495] ? rcu_softirq_qs+0x20/0x20 [ 220.507475] ? filemap_map_pages+0xd92/0x1a20 [ 220.511968] ? print_usage_bug+0xc0/0xc0 [ 220.516033] ? find_get_entries_tag+0x1400/0x1400 [ 220.520869] ? __kasan_slab_free+0x102/0x150 [ 220.525274] ? kasan_slab_free+0xe/0x10 [ 220.529243] ? kmem_cache_free+0x83/0x290 [ 220.533404] ? __sigqueue_free.part.29+0x74/0x90 [ 220.538176] ? lock_acquire+0x1ed/0x520 [ 220.542143] ? ext4_filemap_fault+0x7a/0xad [ 220.546463] ? lock_release+0xa00/0xa00 [ 220.550434] ? perf_trace_sched_process_exec+0x860/0x860 [ 220.555879] ? print_usage_bug+0xc0/0xc0 [ 220.560031] ? print_usage_bug+0xc0/0xc0 [ 220.564098] ? down_read+0x8d/0x120 [ 220.567717] ? ext4_filemap_fault+0x7a/0xad [ 220.572038] ? __down_interruptible+0x700/0x700 [ 220.576711] ext4_filemap_fault+0x82/0xad [ 220.580853] __do_fault+0x100/0x6b0 [ 220.584478] ? pmd_devmap_trans_unstable+0x220/0x220 [ 220.590793] ? mark_held_locks+0x130/0x130 [ 220.595028] ? mark_held_locks+0x130/0x130 [ 220.599264] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 220.604794] ? rcu_pm_notify+0xc0/0xc0 [ 220.608680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.614219] __handle_mm_fault+0x3ea0/0x5be0 [ 220.618628] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 220.623464] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.627959] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 220.632539] ? trace_hardirqs_on+0xbd/0x310 [ 220.636857] ? kasan_check_read+0x11/0x20 [ 220.641003] ? __set_current_blocked+0xdf/0x120 [ 220.645686] ? trace_hardirqs_off_caller+0x310/0x310 [ 220.650797] ? zap_class+0x640/0x640 [ 220.654505] ? zap_class+0x640/0x640 [ 220.658221] ? find_held_lock+0x36/0x1c0 [ 220.662284] ? handle_mm_fault+0x42a/0xc70 [ 220.666521] ? lock_downgrade+0x900/0x900 [ 220.670668] ? check_preemption_disabled+0x48/0x280 [ 220.675680] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 220.680602] ? kasan_check_read+0x11/0x20 [ 220.684744] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 220.690019] ? rcu_softirq_qs+0x20/0x20 [ 220.693987] ? trace_hardirqs_off_caller+0x310/0x310 [ 220.699182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.704715] ? check_preemption_disabled+0x48/0x280 [ 220.709734] handle_mm_fault+0x54f/0xc70 [ 220.713797] ? __handle_mm_fault+0x5be0/0x5be0 [ 220.718376] ? find_vma+0x34/0x190 [ 220.721927] __do_page_fault+0x5e8/0xe60 [ 220.725983] ? exit_to_usermode_loop+0x1f4/0x380 [ 220.730749] do_page_fault+0xf2/0x7e0 [ 220.734567] ? vmalloc_sync_all+0x30/0x30 [ 220.738712] ? error_entry+0x70/0xd0 [ 220.742422] ? trace_hardirqs_off_caller+0xbb/0x310 [ 220.747431] ? trace_hardirqs_on_caller+0xc0/0x310 [ 220.752358] ? syscall_return_slowpath+0x5e0/0x5e0 [ 220.757281] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.762122] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.767135] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.772584] ? prepare_exit_to_usermode+0x291/0x3b0 [ 220.777594] ? page_fault+0x8/0x30 [ 220.781129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.785967] ? page_fault+0x8/0x30 [ 220.789499] page_fault+0x1e/0x30 [ 220.792948] RIP: 0033:0x45db60 [ 220.796148] Code: Bad RIP value. [ 220.799503] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 220.804870] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 220.812135] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 220.819400] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 220.826679] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 220.833941] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 220.841225] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 220.841280] aoe: skb alloc failure [ 220.847974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.847979] Call Trace: [ 220.848004] dump_stack+0x244/0x39d [ 220.848024] ? dump_stack_print_info.cold.1+0x20/0x20 [ 220.851566] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 220.860891] warn_alloc.cold.116+0xb7/0x1bd [ 220.863443] syz-fuzzer cpuset=/ mems_allowed=0 [ 220.867057] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 220.896119] ? lock_downgrade+0x900/0x900 [ 220.900271] ? trace_hardirqs_off+0xb8/0x310 [ 220.904679] ? trace_hardirqs_off+0xb8/0x310 [ 220.909091] __alloc_pages_slowpath+0x26e8/0x2e10 [ 220.913952] ? warn_alloc+0x120/0x120 [ 220.917751] ? print_usage_bug+0xc0/0xc0 [ 220.921806] ? warn_alloc+0x120/0x120 [ 220.925607] ? warn_alloc+0x120/0x120 [ 220.929401] ? print_usage_bug+0xc0/0xc0 [ 220.933460] ? print_usage_bug+0xc0/0xc0 [ 220.937518] ? __lock_acquire+0x62f/0x4c20 [ 220.941753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.947285] ? should_fail+0x22d/0xd01 [ 220.951173] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.956273] ? __lock_acquire+0x62f/0x4c20 [ 220.960504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.965606] ? __lock_acquire+0x62f/0x4c20 [ 220.969835] ? should_fail+0x22d/0xd01 [ 220.973716] ? find_held_lock+0x36/0x1c0 [ 220.977781] ? mark_held_locks+0x130/0x130 [ 220.982026] ? mark_held_locks+0x130/0x130 [ 220.986253] ? zap_class+0x640/0x640 [ 220.989963] ? zap_class+0x640/0x640 [ 220.993678] ? print_usage_bug+0xc0/0xc0 [ 220.997731] ? do_raw_spin_unlock+0xa7/0x330 [ 221.002133] ? zap_class+0x640/0x640 [ 221.005838] ? print_usage_bug+0xc0/0xc0 [ 221.009892] ? wq_watchdog_touch+0x9c/0xfe [ 221.014135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.019672] ? check_preemption_disabled+0x48/0x280 [ 221.024692] ? __lock_is_held+0xb5/0x140 [ 221.028756] __alloc_pages_nodemask+0xa80/0xde0 [ 221.033418] ? zap_class+0x640/0x640 [ 221.037131] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 221.042163] ? find_held_lock+0x36/0x1c0 [ 221.046227] ? ____cache_alloc_node+0x1c7/0x1e0 [ 221.050889] ? lock_downgrade+0x900/0x900 [ 221.055041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.060575] cache_grow_begin+0xa5/0x8c0 [ 221.064629] ? do_raw_spin_unlock+0xa7/0x330 [ 221.069044] fallback_alloc+0x204/0x2e0 [ 221.073026] ____cache_alloc_node+0x1c7/0x1e0 [ 221.077518] kmem_cache_alloc_node+0xe3/0x730 [ 221.082018] ? ipv6_get_ifaddr+0x42e/0x620 [ 221.086255] __alloc_skb+0x119/0x770 [ 221.089964] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 221.095249] ? netdev_alloc_frag+0x1f0/0x1f0 [ 221.099653] ? lock_downgrade+0x900/0x900 [ 221.103806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.109334] ? refcount_sub_and_test_checked+0x203/0x310 [ 221.114789] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 221.120232] ? addrconf_rs_timer+0x690/0x690 [ 221.124646] ndisc_alloc_skb+0x144/0x340 [ 221.128705] ndisc_send_rs+0x331/0x6e0 [ 221.132592] addrconf_rs_timer+0x314/0x690 [ 221.136828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.141066] call_timer_fn+0x272/0x920 [ 221.144949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.149181] ? process_timeout+0x40/0x40 [ 221.153249] ? __run_timers+0x7da/0xc70 [ 221.157218] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.161707] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.166195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.170423] ? lockdep_hardirqs_on+0x296/0x5b0 [ 221.175010] ? trace_hardirqs_on+0xbd/0x310 [ 221.179327] ? kasan_check_read+0x11/0x20 [ 221.183466] ? __run_timers+0x7da/0xc70 [ 221.187434] ? trace_hardirqs_off_caller+0x310/0x310 [ 221.192537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.196772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.201004] __run_timers+0x7e5/0xc70 [ 221.204822] ? timer_fixup_init+0x70/0x70 [ 221.208972] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.213462] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.217955] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 221.222541] ? trace_hardirqs_on+0xbd/0x310 [ 221.226855] ? kasan_check_read+0x11/0x20 [ 221.231024] ? finish_task_switch+0x1f4/0x910 [ 221.235516] ? trace_hardirqs_off_caller+0x310/0x310 [ 221.240616] ? compat_start_thread+0x80/0x80 [ 221.245042] ? pvclock_read_flags+0x160/0x160 [ 221.249530] ? __switch_to_asm+0x34/0x70 [ 221.253590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.259123] ? check_preemption_disabled+0x48/0x280 [ 221.264185] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 221.269730] ? rcu_pm_notify+0xc0/0xc0 [ 221.273611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.279143] ? check_preemption_disabled+0x48/0x280 [ 221.284162] run_timer_softirq+0x52/0xb0 [ 221.288216] ? rcu_read_lock_sched_held+0x14f/0x180 [ 221.293226] __do_softirq+0x308/0xb7e [ 221.297052] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 221.302150] ? smpboot_thread_fn+0x334/0xa00 [ 221.306556] ? schedule+0x108/0x460 [ 221.310180] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 221.314938] ? trace_hardirqs_off+0xb8/0x310 [ 221.319349] ? smpboot_thread_fn+0x68b/0xa00 [ 221.323755] ? trace_hardirqs_on+0x310/0x310 [ 221.328158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.333691] ? check_preemption_disabled+0x48/0x280 [ 221.338713] ? takeover_tasklets+0xa90/0xa90 [ 221.343120] run_ksoftirqd+0x5e/0x100 [ 221.346922] smpboot_thread_fn+0x68b/0xa00 [ 221.351164] ? sort_range+0x30/0x30 [ 221.354786] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 221.359883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.365418] ? __kthread_parkme+0xfb/0x1a0 [ 221.369648] ? sort_range+0x30/0x30 [ 221.373273] kthread+0x35a/0x440 [ 221.376634] ? kthread_stop+0x900/0x900 [ 221.380611] ret_from_fork+0x3a/0x50 [ 221.384336] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 221.384340] warn_alloc_show_mem: 1 callbacks suppressed [ 221.384346] Mem-Info: [ 221.391262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.396622] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 221.396622] active_file:12 inactive_file:11 isolated_file:0 [ 221.396622] unevictable:0 dirty:0 writeback:0 unstable:0 [ 221.396622] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 221.396622] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 221.396622] free:13782 free_pcp:358 free_cma:0 [ 221.398998] Call Trace: [ 221.408370] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 221.441207] [ 221.443771] 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 [ 221.471260] dump_stack+0x244/0x39d [ 221.473383] lowmem_reserve[]: 0 2818 6321 6321 [ 221.499486] ? dump_stack_print_info.cold.1+0x20/0x20 [ 221.503088] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 221.507671] warn_alloc.cold.116+0xb7/0x1bd [ 221.512825] lowmem_reserve[]: 0 0 3503 3503 [ 221.540491] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 221.544782] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 221.549098] ? lock_downgrade+0x900/0x900 [ 221.553908] lowmem_reserve[]: 0 0 0 0 [ 221.582875] ? trace_hardirqs_off+0xb8/0x310 [ 221.586994] 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 [ 221.590788] ? trace_hardirqs_off+0xb8/0x310 [ 221.595161] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 221.608684] __alloc_pages_slowpath+0x26e8/0x2e10 [ 221.613058] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 221.628246] ? warn_alloc+0x120/0x120 [ 221.633046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 221.648264] ? warn_alloc+0x120/0x120 [ 221.652042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 221.660859] ? __lock_acquire+0x62f/0x4c20 [ 221.664629] 266 total pagecache pages [ 221.673190] ? warn_alloc+0x120/0x120 [ 221.677405] 0 pages in swap cache [ 221.681187] ? print_usage_bug+0xc0/0xc0 [ 221.684967] Swap cache stats: add 0, delete 0, find 0/0 [ 221.688401] ? print_usage_bug+0xc0/0xc0 [ 221.692432] Free swap = 0kB [ 221.697780] ? mark_held_locks+0x130/0x130 [ 221.701813] Total swap = 0kB [ 221.704820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.709023] 1965979 pages RAM [ 221.712028] ? should_fail+0x22d/0xd01 [ 221.717531] 0 pages HighMem/MovableOnly [ 221.717538] 342854 pages reserved [ 221.720630] ? zap_class+0x640/0x640 [ 221.724485] 0 pages cma reserved [ 221.728449] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.731966] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 221.735577] ? __lock_acquire+0x62f/0x4c20 [ 221.739016] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 221.744018] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.750481] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 221.754706] ? should_fail+0x22d/0xd01 [ 221.778613] ? mark_held_locks+0x130/0x130 [ 221.782843] ? mark_held_locks+0x130/0x130 [ 221.787075] ? lock_downgrade+0x900/0x900 [ 221.791227] ? zap_class+0x640/0x640 [ 221.794941] ? zap_class+0x640/0x640 [ 221.798654] ? zap_class+0x640/0x640 [ 221.802367] ? do_raw_spin_unlock+0xa7/0x330 [ 221.807307] ? trace_hardirqs_on+0x310/0x310 [ 221.811799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.817334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.822870] ? check_preemption_disabled+0x48/0x280 [ 221.827888] ? __lock_is_held+0xb5/0x140 [ 221.831958] __alloc_pages_nodemask+0xa80/0xde0 [ 221.836622] ? zap_class+0x640/0x640 [ 221.840333] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 221.845352] ? find_held_lock+0x36/0x1c0 [ 221.849416] ? ____cache_alloc_node+0x1c7/0x1e0 [ 221.854083] ? lock_downgrade+0x900/0x900 [ 221.858234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.863784] cache_grow_begin+0xa5/0x8c0 [ 221.867841] ? do_raw_spin_unlock+0xa7/0x330 [ 221.872252] fallback_alloc+0x204/0x2e0 [ 221.876227] ____cache_alloc_node+0x1c7/0x1e0 [ 221.880722] kmem_cache_alloc_node+0xe3/0x730 [ 221.885210] ? __kmalloc_node_track_caller+0x50/0x70 [ 221.890311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.895848] __alloc_skb+0x119/0x770 [ 221.899557] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 221.904927] ? netdev_alloc_frag+0x1f0/0x1f0 [ 221.909340] ? vprintk_default+0x28/0x30 [ 221.913400] ? vprintk_func+0x85/0x181 [ 221.917285] ? printk+0xa7/0xcf [ 221.920558] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 221.925310] ? trace_hardirqs_off+0xb8/0x310 [ 221.929718] new_skb+0x26/0x1c0 [ 221.932990] aoecmd_cfg+0x279/0x7f0 [ 221.936621] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 221.940944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.946487] ? __lock_is_held+0xb5/0x140 [ 221.950557] discover_timer+0x50/0x60 [ 221.954355] call_timer_fn+0x272/0x920 [ 221.958237] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 221.963076] ? process_timeout+0x40/0x40 [ 221.967139] ? mark_held_locks+0xc7/0x130 [ 221.971284] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.975782] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.980274] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 221.985113] ? lockdep_hardirqs_on+0x296/0x5b0 [ 221.989693] ? trace_hardirqs_on+0xbd/0x310 [ 221.994007] ? kasan_check_read+0x11/0x20 [ 221.998150] ? __run_timers+0x7da/0xc70 [ 222.002123] ? trace_hardirqs_off_caller+0x310/0x310 [ 222.007232] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 222.012066] __run_timers+0x7e5/0xc70 [ 222.015888] ? timer_fixup_init+0x70/0x70 [ 222.020042] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 222.025057] ? zap_class+0x640/0x640 [ 222.028768] ? print_usage_bug+0xc0/0xc0 [ 222.032828] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 222.038027] ? find_held_lock+0x36/0x1c0 [ 222.042092] ? zap_class+0x640/0x640 [ 222.045804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.051334] ? check_preemption_disabled+0x48/0x280 [ 222.056355] ? __lock_is_held+0xb5/0x140 [ 222.060416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.065949] ? check_preemption_disabled+0x48/0x280 [ 222.070963] run_timer_softirq+0x52/0xb0 [ 222.075022] ? rcu_read_lock_sched_held+0x14f/0x180 [ 222.080038] __do_softirq+0x308/0xb7e [ 222.083836] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 222.088331] ? lock_downgrade+0x900/0x900 [ 222.092477] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 222.097582] ? pvclock_read_flags+0x160/0x160 [ 222.102072] ? lapic_next_event+0x5a/0x90 [ 222.106217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.111752] ? kvm_clock_read+0x18/0x30 [ 222.115723] ? kvm_sched_clock_read+0x9/0x20 [ 222.120126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.125660] ? check_preemption_disabled+0x48/0x280 [ 222.130682] irq_exit+0x17f/0x1c0 [ 222.134134] smp_apic_timer_interrupt+0x1cb/0x760 [ 222.138969] ? smp_reschedule_interrupt+0x109/0x650 [ 222.143978] ? smp_call_function_single_interrupt+0x650/0x650 [ 222.149855] ? interrupt_entry+0xb5/0xc0 [ 222.153928] ? trace_hardirqs_off_caller+0xbb/0x310 [ 222.158936] ? trace_hardirqs_off_caller+0xbb/0x310 [ 222.163950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.168785] ? trace_hardirqs_on_caller+0x310/0x310 [ 222.173794] ? trace_hardirqs_on_caller+0x310/0x310 [ 222.178803] ? task_prio+0x50/0x50 [ 222.182341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.188056] ? check_preemption_disabled+0x48/0x280 [ 222.193070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.197915] apic_timer_interrupt+0xf/0x20 [ 222.202136] [ 222.204369] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 222.209379] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 222.228273] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 222.235973] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 222.243235] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 222.250496] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 222.257759] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 222.265024] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 222.272329] rcu_read_lock_held+0xa9/0xc0 [ 222.276470] css_next_child+0x2a2/0x620 [ 222.280443] ? cgroup_mount+0xd30/0xd30 [ 222.284422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.289952] ? check_preemption_disabled+0x48/0x280 [ 222.294973] ? __lock_is_held+0xb5/0x140 [ 222.299041] css_next_descendant_pre+0xeb/0x190 [ 222.303706] mem_cgroup_iter+0x42f/0x1160 [ 222.307852] ? kasan_check_write+0x14/0x20 [ 222.312091] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 222.316846] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 222.321866] ? shrink_slab+0xfa/0x8c0 [ 222.325670] ? shrink_active_list+0x1f00/0x1f00 [ 222.330341] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 222.335958] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 222.341064] ? cgroup_procs_write_finish+0xf0/0xf0 [ 222.345997] ? find_held_lock+0x36/0x1c0 [ 222.350057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.355590] ? vmpressure+0x1a2/0x340 [ 222.359390] shrink_node+0x516/0x16b0 [ 222.363186] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 222.368479] ? shrink_node_memcg+0x18f0/0x18f0 [ 222.373063] ? kvm_clock_read+0x18/0x30 [ 222.377031] ? ktime_get+0x2c1/0x400 [ 222.380745] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 222.385236] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.390766] ? __cpuset_node_allowed+0x19b/0x660 [ 222.395519] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 222.401227] ? delayacct_end+0x5a/0x100 [ 222.405202] do_try_to_free_pages+0x3e7/0x1290 [ 222.409776] ? zap_class+0x640/0x640 [ 222.413502] ? shrink_node+0x16b0/0x16b0 [ 222.417563] ? __lock_is_held+0xb5/0x140 [ 222.421631] try_to_free_pages+0x4d0/0xb90 [ 222.425870] ? do_try_to_free_pages+0x1290/0x1290 [ 222.430719] ? lock_acquire+0x1ed/0x520 [ 222.434686] ? set_page_refcounted+0x280/0x280 [ 222.439269] ? lock_release+0xa00/0xa00 [ 222.443236] ? _raw_spin_unlock_irq+0x60/0x80 [ 222.447730] ? psi_memstall_enter+0x240/0x2b0 [ 222.452304] ? psi_memstall_tick+0x230/0x230 [ 222.456719] __alloc_pages_slowpath+0xa14/0x2e10 [ 222.461494] ? warn_alloc+0x120/0x120 [ 222.465288] ? mark_held_locks+0x130/0x130 [ 222.469526] ? find_get_entry+0xaae/0x1120 [ 222.473766] ? filemap_map_pages+0x1a20/0x1a20 [ 222.478346] ? zap_class+0x640/0x640 [ 222.482059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.487592] ? check_preemption_disabled+0x48/0x280 [ 222.492602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.498135] ? should_fail+0x22d/0xd01 [ 222.502025] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.507126] ? zap_class+0x640/0x640 [ 222.510862] ? __lock_is_held+0xb5/0x140 [ 222.514929] ? mark_held_locks+0x130/0x130 [ 222.519164] ? lock_release+0xa00/0xa00 [ 222.523132] ? perf_trace_sched_process_exec+0x860/0x860 [ 222.528574] ? xa_load+0x2ba/0x460 [ 222.532108] ? lock_downgrade+0x900/0x900 [ 222.536255] ? __might_sleep+0x95/0x190 [ 222.540235] __alloc_pages_nodemask+0xa80/0xde0 [ 222.544903] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 222.549919] ? __page_cache_alloc+0x191/0x5c0 [ 222.554409] ? xa_load+0x2e1/0x460 [ 222.557946] ? xa_clear_mark+0x40/0x40 [ 222.561833] ? zap_class+0x640/0x640 [ 222.565556] ? zap_class+0x640/0x640 [ 222.569266] ? zap_class+0x640/0x640 [ 222.572975] ? __do_page_cache_readahead+0x663/0x810 [ 222.578078] ? find_held_lock+0x36/0x1c0 [ 222.582140] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 222.587678] alloc_pages_current+0x173/0x350 [ 222.592086] __page_cache_alloc+0x38c/0x5c0 [ 222.596407] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 222.601328] ? kasan_check_read+0x11/0x20 [ 222.605475] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 222.610747] ? generic_perform_write+0x6a0/0x6a0 [ 222.615500] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.621038] ? check_preemption_disabled+0x48/0x280 [ 222.626057] filemap_fault+0x1595/0x25f0 [ 222.630124] ? __lock_page_or_retry+0xa00/0xa00 [ 222.634792] ? mark_held_locks+0x130/0x130 [ 222.639032] ? filemap_map_pages+0xd6b/0x1a20 [ 222.643521] ? lock_downgrade+0x900/0x900 [ 222.647662] ? check_preemption_disabled+0x48/0x280 [ 222.652673] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 222.657606] ? kasan_check_read+0x11/0x20 [ 222.661746] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 222.667016] ? rcu_softirq_qs+0x20/0x20 [ 222.670999] ? filemap_map_pages+0xd92/0x1a20 [ 222.675492] ? print_usage_bug+0xc0/0xc0 [ 222.679556] ? find_get_entries_tag+0x1400/0x1400 [ 222.684393] ? __kasan_slab_free+0x102/0x150 [ 222.688799] ? kasan_slab_free+0xe/0x10 [ 222.692770] ? kmem_cache_free+0x83/0x290 [ 222.696913] ? __sigqueue_free.part.29+0x74/0x90 [ 222.701679] ? lock_acquire+0x1ed/0x520 [ 222.705645] ? ext4_filemap_fault+0x7a/0xad [ 222.709965] ? lock_release+0xa00/0xa00 [ 222.713932] ? perf_trace_sched_process_exec+0x860/0x860 [ 222.719380] ? print_usage_bug+0xc0/0xc0 [ 222.723436] ? print_usage_bug+0xc0/0xc0 [ 222.727500] ? down_read+0x8d/0x120 [ 222.731118] ? ext4_filemap_fault+0x7a/0xad [ 222.735434] ? __down_interruptible+0x700/0x700 [ 222.740104] ext4_filemap_fault+0x82/0xad [ 222.744247] __do_fault+0x100/0x6b0 [ 222.747874] ? pmd_devmap_trans_unstable+0x220/0x220 [ 222.752978] ? mark_held_locks+0x130/0x130 [ 222.757208] ? mark_held_locks+0x130/0x130 [ 222.761436] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 222.767392] ? rcu_pm_notify+0xc0/0xc0 [ 222.771284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.776823] __handle_mm_fault+0x3ea0/0x5be0 [ 222.781241] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 222.786163] ? _raw_spin_unlock_irq+0x27/0x80 [ 222.790655] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 222.795232] ? trace_hardirqs_on+0xbd/0x310 [ 222.799546] ? kasan_check_read+0x11/0x20 [ 222.803691] ? __set_current_blocked+0xdf/0x120 [ 222.808357] ? trace_hardirqs_off_caller+0x310/0x310 [ 222.813471] ? zap_class+0x640/0x640 [ 222.817180] ? zap_class+0x640/0x640 [ 222.820893] ? find_held_lock+0x36/0x1c0 [ 222.824960] ? handle_mm_fault+0x42a/0xc70 [ 222.829192] ? lock_downgrade+0x900/0x900 [ 222.833335] ? check_preemption_disabled+0x48/0x280 [ 222.838356] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 222.843282] ? kasan_check_read+0x11/0x20 [ 222.847424] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 222.852694] ? rcu_softirq_qs+0x20/0x20 [ 222.856661] ? trace_hardirqs_off_caller+0x310/0x310 [ 222.861758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.867290] ? check_preemption_disabled+0x48/0x280 [ 222.872306] handle_mm_fault+0x54f/0xc70 [ 222.876383] ? __handle_mm_fault+0x5be0/0x5be0 [ 222.880968] ? find_vma+0x34/0x190 [ 222.884505] __do_page_fault+0x5e8/0xe60 [ 222.888566] ? exit_to_usermode_loop+0x1f4/0x380 [ 222.893325] do_page_fault+0xf2/0x7e0 [ 222.897145] ? vmalloc_sync_all+0x30/0x30 [ 222.901290] ? error_entry+0x70/0xd0 [ 222.904997] ? trace_hardirqs_off_caller+0xbb/0x310 [ 222.910008] ? trace_hardirqs_on_caller+0xc0/0x310 [ 222.914930] ? syscall_return_slowpath+0x5e0/0x5e0 [ 222.919852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.924687] ? trace_hardirqs_on_caller+0x310/0x310 [ 222.929694] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.935142] ? prepare_exit_to_usermode+0x291/0x3b0 [ 222.940149] ? page_fault+0x8/0x30 [ 222.943686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.948537] ? page_fault+0x8/0x30 [ 222.952071] page_fault+0x1e/0x30 [ 222.955520] RIP: 0033:0x45db60 [ 222.958726] Code: Bad RIP value. [ 222.962080] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 222.967438] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 222.974700] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 222.981973] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 222.989233] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 222.996495] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 223.003786] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 223.003855] aoe: skb alloc failure [ 223.010546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.014114] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 223.023396] Call Trace: [ 223.033598] syz-fuzzer cpuset=/ mems_allowed=0 [ 223.036174] dump_stack+0x244/0x39d [ 223.044345] ? dump_stack_print_info.cold.1+0x20/0x20 [ 223.049543] warn_alloc.cold.116+0xb7/0x1bd [ 223.053868] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 223.058707] ? lock_downgrade+0x900/0x900 [ 223.062861] ? trace_hardirqs_off+0xb8/0x310 [ 223.067269] ? trace_hardirqs_off+0xb8/0x310 [ 223.071681] __alloc_pages_slowpath+0x26e8/0x2e10 [ 223.076545] ? warn_alloc+0x120/0x120 [ 223.080347] ? warn_alloc+0x120/0x120 [ 223.084161] ? warn_alloc+0x120/0x120 [ 223.087964] ? print_usage_bug+0xc0/0xc0 [ 223.092031] ? check_preemption_disabled+0x48/0x280 [ 223.097044] ? print_usage_bug+0xc0/0xc0 [ 223.101098] ? kasan_check_read+0x11/0x20 [ 223.105241] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 223.110511] ? rcu_softirq_qs+0x20/0x20 [ 223.114486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.120020] ? should_fail+0x22d/0xd01 [ 223.123905] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.129006] ? __lock_acquire+0x62f/0x4c20 [ 223.133240] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.138335] ? __lock_acquire+0x62f/0x4c20 [ 223.142565] ? should_fail+0x22d/0xd01 [ 223.146459] ? mark_held_locks+0x130/0x130 [ 223.150694] ? mark_held_locks+0x130/0x130 [ 223.154928] ? __enqueue_entity+0x10d/0x1f0 [ 223.159247] ? zap_class+0x640/0x640 [ 223.162958] ? print_usage_bug+0xc0/0xc0 [ 223.167019] ? enqueue_entity+0x34b/0x20a0 [ 223.171249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.176782] ? check_preemption_disabled+0x48/0x280 [ 223.181818] ? __lock_is_held+0xb5/0x140 [ 223.185880] __alloc_pages_nodemask+0xa80/0xde0 [ 223.190545] ? zap_class+0x640/0x640 [ 223.194256] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 223.199275] ? find_held_lock+0x36/0x1c0 [ 223.203336] ? ____cache_alloc_node+0x1c7/0x1e0 [ 223.208006] ? lock_downgrade+0x900/0x900 [ 223.212154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.217692] cache_grow_begin+0xa5/0x8c0 [ 223.221744] ? do_raw_spin_unlock+0xa7/0x330 [ 223.226156] fallback_alloc+0x204/0x2e0 [ 223.230132] ____cache_alloc_node+0x1c7/0x1e0 [ 223.234626] kmem_cache_alloc_node+0xe3/0x730 [ 223.239114] ? ipv6_get_ifaddr+0x42e/0x620 [ 223.243356] __alloc_skb+0x119/0x770 [ 223.247062] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 223.252336] ? netdev_alloc_frag+0x1f0/0x1f0 [ 223.256739] ? lock_downgrade+0x900/0x900 [ 223.260889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.266418] ? refcount_sub_and_test_checked+0x203/0x310 [ 223.271867] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 223.277310] ? addrconf_rs_timer+0x690/0x690 [ 223.281726] ndisc_alloc_skb+0x144/0x340 [ 223.285795] ndisc_send_rs+0x331/0x6e0 [ 223.289687] addrconf_rs_timer+0x314/0x690 [ 223.293921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.298160] call_timer_fn+0x272/0x920 [ 223.302044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.306270] ? process_timeout+0x40/0x40 [ 223.310330] ? __run_timers+0x7da/0xc70 [ 223.314299] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.318794] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.323287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.327517] ? lockdep_hardirqs_on+0x296/0x5b0 [ 223.332094] ? trace_hardirqs_on+0xbd/0x310 [ 223.336411] ? kasan_check_read+0x11/0x20 [ 223.340549] ? __run_timers+0x7da/0xc70 [ 223.344519] ? trace_hardirqs_off_caller+0x310/0x310 [ 223.349632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.353861] __run_timers+0x7e5/0xc70 [ 223.357668] ? timer_fixup_init+0x70/0x70 [ 223.361811] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.366303] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.370800] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 223.375380] ? trace_hardirqs_on+0xbd/0x310 [ 223.379697] ? kasan_check_read+0x11/0x20 [ 223.383848] ? finish_task_switch+0x1f4/0x910 [ 223.388338] ? trace_hardirqs_off_caller+0x310/0x310 [ 223.393435] ? compat_start_thread+0x80/0x80 [ 223.397859] ? pvclock_read_flags+0x160/0x160 [ 223.402350] ? __switch_to_asm+0x34/0x70 [ 223.406409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.411949] ? check_preemption_disabled+0x48/0x280 [ 223.416966] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 223.422499] ? rcu_pm_notify+0xc0/0xc0 [ 223.426388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.431921] ? check_preemption_disabled+0x48/0x280 [ 223.436938] run_timer_softirq+0x52/0xb0 [ 223.440994] ? rcu_read_lock_sched_held+0x14f/0x180 [ 223.446004] __do_softirq+0x308/0xb7e [ 223.449822] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 223.454919] ? smpboot_thread_fn+0x334/0xa00 [ 223.459325] ? schedule+0x108/0x460 [ 223.462946] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 223.467709] ? trace_hardirqs_off+0xb8/0x310 [ 223.472113] ? smpboot_thread_fn+0x68b/0xa00 [ 223.476518] ? trace_hardirqs_on+0x310/0x310 [ 223.480936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.486468] ? check_preemption_disabled+0x48/0x280 [ 223.491482] ? takeover_tasklets+0xa90/0xa90 [ 223.495888] run_ksoftirqd+0x5e/0x100 [ 223.499683] smpboot_thread_fn+0x68b/0xa00 [ 223.503919] ? sort_range+0x30/0x30 [ 223.507541] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 223.512638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.518174] ? __kthread_parkme+0xfb/0x1a0 [ 223.522410] ? sort_range+0x30/0x30 [ 223.526029] kthread+0x35a/0x440 [ 223.529392] ? kthread_stop+0x900/0x900 [ 223.533365] ret_from_fork+0x3a/0x50 [ 223.537084] warn_alloc_show_mem: 1 callbacks suppressed [ 223.537093] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 223.537095] Mem-Info: [ 223.537126] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 223.537126] active_file:12 inactive_file:11 isolated_file:0 [ 223.537126] unevictable:0 dirty:0 writeback:0 unstable:0 [ 223.537126] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 223.537126] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 223.537126] free:13782 free_pcp:358 free_cma:0 [ 223.542458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.549379] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 223.551777] Call Trace: [ 223.584632] 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 [ 223.593968] [ 223.621436] lowmem_reserve[]: 0 2818 6321 6321 [ 223.624016] dump_stack+0x244/0x39d [ 223.650555] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 223.652714] ? dump_stack_print_info.cold.1+0x20/0x20 [ 223.657251] lowmem_reserve[]: 0 0 3503 3503 [ 223.660881] warn_alloc.cold.116+0xb7/0x1bd [ 223.688521] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 223.693708] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 223.697999] lowmem_reserve[]: 0 0 0 0 [ 223.702314] ? lock_downgrade+0x900/0x900 [ 223.731518] 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 [ 223.736359] ? trace_hardirqs_off+0xb8/0x310 [ 223.740128] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 223.744268] ? trace_hardirqs_off+0xb8/0x310 [ 223.757847] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 223.762261] __alloc_pages_slowpath+0x26e8/0x2e10 [ 223.777401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 223.781812] ? warn_alloc+0x120/0x120 [ 223.796682] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 223.801509] ? warn_alloc+0x120/0x120 [ 223.811498] 266 total pagecache pages [ 223.815302] ? warn_alloc+0x120/0x120 [ 223.823852] 0 pages in swap cache [ 223.827637] ? print_usage_bug+0xc0/0xc0 [ 223.831410] Swap cache stats: add 0, delete 0, find 0/0 [ 223.835195] ? print_usage_bug+0xc0/0xc0 [ 223.838620] Free swap = 0kB [ 223.842665] ? ktime_get+0x2c1/0x400 [ 223.848000] Total swap = 0kB [ 223.852052] ? check_preemption_disabled+0x48/0x280 [ 223.855037] 1965979 pages RAM [ 223.858746] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 223.861732] 0 pages HighMem/MovableOnly [ 223.866747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.869823] 342854 pages reserved [ 223.874302] ? should_fail+0x22d/0xd01 [ 223.878247] 0 pages cma reserved [ 223.883774] ? kasan_check_read+0x11/0x20 [ 223.887273] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 223.891077] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.894491] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 223.898557] ? __lock_acquire+0x62f/0x4c20 [ 223.905017] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 223.910110] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.934345] ? should_fail+0x22d/0xd01 [ 223.938228] ? print_usage_bug+0xc0/0xc0 [ 223.942294] ? mark_held_locks+0x130/0x130 [ 223.946528] ? mark_held_locks+0x130/0x130 [ 223.950759] ? check_preemption_disabled+0x48/0x280 [ 223.955778] ? zap_class+0x640/0x640 [ 223.959494] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 223.964245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.969780] ? check_preemption_disabled+0x48/0x280 [ 223.974802] ? __lock_is_held+0xb5/0x140 [ 223.978865] __alloc_pages_nodemask+0xa80/0xde0 [ 223.983527] ? zap_class+0x640/0x640 [ 223.987242] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 223.992271] ? find_held_lock+0x36/0x1c0 [ 223.996339] ? ____cache_alloc_node+0x1c7/0x1e0 [ 224.001006] ? lock_downgrade+0x900/0x900 [ 224.005154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.010691] cache_grow_begin+0xa5/0x8c0 [ 224.014759] ? do_raw_spin_unlock+0xa7/0x330 [ 224.019180] fallback_alloc+0x204/0x2e0 [ 224.023157] ____cache_alloc_node+0x1c7/0x1e0 [ 224.027650] kmem_cache_alloc_node+0xe3/0x730 [ 224.032142] ? __kmalloc_node_track_caller+0x50/0x70 [ 224.037242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.042790] __alloc_skb+0x119/0x770 [ 224.046499] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 224.052384] ? netdev_alloc_frag+0x1f0/0x1f0 [ 224.056796] ? vprintk_default+0x28/0x30 [ 224.060854] ? vprintk_func+0x85/0x181 [ 224.064748] ? printk+0xa7/0xcf [ 224.068021] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 224.072775] ? trace_hardirqs_off+0xb8/0x310 [ 224.077184] new_skb+0x26/0x1c0 [ 224.080466] aoecmd_cfg+0x279/0x7f0 [ 224.084095] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 224.088420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.093962] ? __lock_is_held+0xb5/0x140 [ 224.098030] discover_timer+0x50/0x60 [ 224.101825] call_timer_fn+0x272/0x920 [ 224.105707] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 224.110557] ? process_timeout+0x40/0x40 [ 224.114621] ? mark_held_locks+0xc7/0x130 [ 224.118767] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.123262] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.127751] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 224.132587] ? lockdep_hardirqs_on+0x296/0x5b0 [ 224.137163] ? trace_hardirqs_on+0xbd/0x310 [ 224.141477] ? kasan_check_read+0x11/0x20 [ 224.145616] ? __run_timers+0x7da/0xc70 [ 224.149589] ? trace_hardirqs_off_caller+0x310/0x310 [ 224.154698] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 224.159542] __run_timers+0x7e5/0xc70 [ 224.163350] ? timer_fixup_init+0x70/0x70 [ 224.167493] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.172502] ? zap_class+0x640/0x640 [ 224.176215] ? print_usage_bug+0xc0/0xc0 [ 224.180273] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 224.185466] ? find_held_lock+0x36/0x1c0 [ 224.189530] ? zap_class+0x640/0x640 [ 224.193250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.198792] ? check_preemption_disabled+0x48/0x280 [ 224.203809] ? __lock_is_held+0xb5/0x140 [ 224.207955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.213503] ? check_preemption_disabled+0x48/0x280 [ 224.218519] run_timer_softirq+0x52/0xb0 [ 224.222578] ? rcu_read_lock_sched_held+0x14f/0x180 [ 224.227591] __do_softirq+0x308/0xb7e [ 224.231389] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 224.235877] ? lock_downgrade+0x900/0x900 [ 224.240023] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 224.245126] ? pvclock_read_flags+0x160/0x160 [ 224.249618] ? lapic_next_event+0x5a/0x90 [ 224.253767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.259308] ? kvm_clock_read+0x18/0x30 [ 224.263281] ? kvm_sched_clock_read+0x9/0x20 [ 224.267684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.273224] ? check_preemption_disabled+0x48/0x280 [ 224.278249] irq_exit+0x17f/0x1c0 [ 224.281697] smp_apic_timer_interrupt+0x1cb/0x760 [ 224.286540] ? smp_reschedule_interrupt+0x109/0x650 [ 224.291550] ? smp_call_function_single_interrupt+0x650/0x650 [ 224.297428] ? interrupt_entry+0xb5/0xc0 [ 224.301488] ? trace_hardirqs_off_caller+0xbb/0x310 [ 224.306496] ? trace_hardirqs_off_caller+0xbb/0x310 [ 224.311511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.316353] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.321363] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.326377] ? task_prio+0x50/0x50 [ 224.329915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.335448] ? check_preemption_disabled+0x48/0x280 [ 224.340464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.345309] apic_timer_interrupt+0xf/0x20 [ 224.349533] [ 224.351770] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 224.356785] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 224.375681] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 224.383393] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 224.390676] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 224.397944] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 224.405210] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 224.412476] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 224.419769] rcu_read_lock_held+0xa9/0xc0 [ 224.423932] css_next_child+0x2a2/0x620 [ 224.427907] ? cgroup_mount+0xd30/0xd30 [ 224.431881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.437412] ? check_preemption_disabled+0x48/0x280 [ 224.442431] ? __lock_is_held+0xb5/0x140 [ 224.446503] css_next_descendant_pre+0xeb/0x190 [ 224.451167] mem_cgroup_iter+0x42f/0x1160 [ 224.455313] ? kasan_check_write+0x14/0x20 [ 224.459548] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 224.464298] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.469317] ? shrink_slab+0xfa/0x8c0 [ 224.473111] ? shrink_active_list+0x1f00/0x1f00 [ 224.477783] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 224.483412] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 224.488516] ? cgroup_procs_write_finish+0xf0/0xf0 [ 224.493448] ? find_held_lock+0x36/0x1c0 [ 224.497505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.503035] ? vmpressure+0x1a2/0x340 [ 224.506839] shrink_node+0x516/0x16b0 [ 224.510633] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 224.515926] ? shrink_node_memcg+0x18f0/0x18f0 [ 224.520510] ? kvm_clock_read+0x18/0x30 [ 224.524479] ? ktime_get+0x2c1/0x400 [ 224.528195] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 224.532703] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 224.538242] ? __cpuset_node_allowed+0x19b/0x660 [ 224.542994] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 224.548709] ? delayacct_end+0x5a/0x100 [ 224.552698] do_try_to_free_pages+0x3e7/0x1290 [ 224.557272] ? zap_class+0x640/0x640 [ 224.560995] ? shrink_node+0x16b0/0x16b0 [ 224.565051] ? __lock_is_held+0xb5/0x140 [ 224.569122] try_to_free_pages+0x4d0/0xb90 [ 224.573359] ? do_try_to_free_pages+0x1290/0x1290 [ 224.578207] ? lock_acquire+0x1ed/0x520 [ 224.582186] ? set_page_refcounted+0x280/0x280 [ 224.586948] ? lock_release+0xa00/0xa00 [ 224.590915] ? _raw_spin_unlock_irq+0x60/0x80 [ 224.595408] ? psi_memstall_enter+0x240/0x2b0 [ 224.599898] ? psi_memstall_tick+0x230/0x230 [ 224.604313] __alloc_pages_slowpath+0xa14/0x2e10 [ 224.609092] ? warn_alloc+0x120/0x120 [ 224.612887] ? mark_held_locks+0x130/0x130 [ 224.617120] ? find_get_entry+0xaae/0x1120 [ 224.621357] ? filemap_map_pages+0x1a20/0x1a20 [ 224.625941] ? zap_class+0x640/0x640 [ 224.629652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.635190] ? check_preemption_disabled+0x48/0x280 [ 224.640203] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.645739] ? should_fail+0x22d/0xd01 [ 224.649632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.654818] ? zap_class+0x640/0x640 [ 224.658549] ? __lock_is_held+0xb5/0x140 [ 224.662610] ? mark_held_locks+0x130/0x130 [ 224.666839] ? lock_release+0xa00/0xa00 [ 224.670812] ? perf_trace_sched_process_exec+0x860/0x860 [ 224.676256] ? xa_load+0x2ba/0x460 [ 224.679793] ? lock_downgrade+0x900/0x900 [ 224.683944] ? __might_sleep+0x95/0x190 [ 224.687923] __alloc_pages_nodemask+0xa80/0xde0 [ 224.692592] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 224.697605] ? __page_cache_alloc+0x191/0x5c0 [ 224.702091] ? xa_load+0x2e1/0x460 [ 224.705630] ? xa_clear_mark+0x40/0x40 [ 224.709512] ? zap_class+0x640/0x640 [ 224.713231] ? zap_class+0x640/0x640 [ 224.716937] ? zap_class+0x640/0x640 [ 224.720649] ? __do_page_cache_readahead+0x663/0x810 [ 224.725760] ? find_held_lock+0x36/0x1c0 [ 224.729825] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 224.735366] alloc_pages_current+0x173/0x350 [ 224.739774] __page_cache_alloc+0x38c/0x5c0 [ 224.744181] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 224.749111] ? kasan_check_read+0x11/0x20 [ 224.753254] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 224.758526] ? generic_perform_write+0x6a0/0x6a0 [ 224.763277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.768810] ? check_preemption_disabled+0x48/0x280 [ 224.773827] filemap_fault+0x1595/0x25f0 [ 224.777893] ? __lock_page_or_retry+0xa00/0xa00 [ 224.782559] ? mark_held_locks+0x130/0x130 [ 224.786795] ? filemap_map_pages+0xd6b/0x1a20 [ 224.791302] ? lock_downgrade+0x900/0x900 [ 224.795536] ? check_preemption_disabled+0x48/0x280 [ 224.800548] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 224.805474] ? kasan_check_read+0x11/0x20 [ 224.809615] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 224.814884] ? rcu_softirq_qs+0x20/0x20 [ 224.818871] ? filemap_map_pages+0xd92/0x1a20 [ 224.823365] ? print_usage_bug+0xc0/0xc0 [ 224.827451] ? find_get_entries_tag+0x1400/0x1400 [ 224.832291] ? __kasan_slab_free+0x102/0x150 [ 224.836695] ? kasan_slab_free+0xe/0x10 [ 224.840667] ? kmem_cache_free+0x83/0x290 [ 224.844822] ? __sigqueue_free.part.29+0x74/0x90 [ 224.849590] ? lock_acquire+0x1ed/0x520 [ 224.853558] ? ext4_filemap_fault+0x7a/0xad [ 224.857881] ? lock_release+0xa00/0xa00 [ 224.861848] ? perf_trace_sched_process_exec+0x860/0x860 [ 224.867294] ? print_usage_bug+0xc0/0xc0 [ 224.871351] ? print_usage_bug+0xc0/0xc0 [ 224.875420] ? down_read+0x8d/0x120 [ 224.879041] ? ext4_filemap_fault+0x7a/0xad [ 224.883366] ? __down_interruptible+0x700/0x700 [ 224.888041] ext4_filemap_fault+0x82/0xad [ 224.892189] __do_fault+0x100/0x6b0 [ 224.895817] ? pmd_devmap_trans_unstable+0x220/0x220 [ 224.900917] ? mark_held_locks+0x130/0x130 [ 224.905152] ? mark_held_locks+0x130/0x130 [ 224.909391] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 224.914923] ? rcu_pm_notify+0xc0/0xc0 [ 224.918810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.924345] __handle_mm_fault+0x3ea0/0x5be0 [ 224.928762] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 224.933602] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.938095] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 224.942684] ? trace_hardirqs_on+0xbd/0x310 [ 224.946999] ? kasan_check_read+0x11/0x20 [ 224.951145] ? __set_current_blocked+0xdf/0x120 [ 224.955808] ? trace_hardirqs_off_caller+0x310/0x310 [ 224.960916] ? zap_class+0x640/0x640 [ 224.964627] ? zap_class+0x640/0x640 [ 224.968348] ? find_held_lock+0x36/0x1c0 [ 224.972421] ? handle_mm_fault+0x42a/0xc70 [ 224.976657] ? lock_downgrade+0x900/0x900 [ 224.980804] ? check_preemption_disabled+0x48/0x280 [ 224.985823] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 224.990745] ? kasan_check_read+0x11/0x20 [ 224.994885] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 225.000246] ? rcu_softirq_qs+0x20/0x20 [ 225.004219] ? trace_hardirqs_off_caller+0x310/0x310 [ 225.009322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.014856] ? check_preemption_disabled+0x48/0x280 [ 225.020047] handle_mm_fault+0x54f/0xc70 [ 225.024109] ? __handle_mm_fault+0x5be0/0x5be0 [ 225.028689] ? find_vma+0x34/0x190 [ 225.032227] __do_page_fault+0x5e8/0xe60 [ 225.036284] ? exit_to_usermode_loop+0x1f4/0x380 [ 225.041042] do_page_fault+0xf2/0x7e0 [ 225.044838] ? vmalloc_sync_all+0x30/0x30 [ 225.048984] ? error_entry+0x70/0xd0 [ 225.052694] ? trace_hardirqs_off_caller+0xbb/0x310 [ 225.057703] ? trace_hardirqs_on_caller+0xc0/0x310 [ 225.062633] ? syscall_return_slowpath+0x5e0/0x5e0 [ 225.067564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.072401] ? trace_hardirqs_on_caller+0x310/0x310 [ 225.077415] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.082867] ? prepare_exit_to_usermode+0x291/0x3b0 [ 225.087895] ? page_fault+0x8/0x30 [ 225.091437] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.096275] ? page_fault+0x8/0x30 [ 225.099814] page_fault+0x1e/0x30 [ 225.103266] RIP: 0033:0x45db60 [ 225.106463] Code: Bad RIP value. [ 225.109819] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 225.115177] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 225.122441] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 225.129707] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 225.136973] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 225.144237] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 225.151524] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 225.151582] aoe: skb alloc failure [ 225.158270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.158275] Call Trace: [ 225.158293] dump_stack+0x244/0x39d [ 225.158312] ? dump_stack_print_info.cold.1+0x20/0x20 [ 225.161877] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 225.171182] warn_alloc.cold.116+0xb7/0x1bd [ 225.173736] syz-fuzzer cpuset=/ mems_allowed=0 [ 225.177352] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.206419] ? lock_downgrade+0x900/0x900 [ 225.210569] ? trace_hardirqs_off+0xb8/0x310 [ 225.214980] ? trace_hardirqs_off+0xb8/0x310 [ 225.219395] __alloc_pages_slowpath+0x26e8/0x2e10 [ 225.224257] ? warn_alloc+0x120/0x120 [ 225.228053] ? print_usage_bug+0xc0/0xc0 [ 225.232109] ? warn_alloc+0x120/0x120 [ 225.235906] ? warn_alloc+0x120/0x120 [ 225.239706] ? print_usage_bug+0xc0/0xc0 [ 225.243768] ? print_usage_bug+0xc0/0xc0 [ 225.247825] ? __lock_acquire+0x62f/0x4c20 [ 225.252063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.257593] ? should_fail+0x22d/0xd01 [ 225.261486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.266610] ? __lock_acquire+0x62f/0x4c20 [ 225.270856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.275950] ? __lock_acquire+0x62f/0x4c20 [ 225.280179] ? should_fail+0x22d/0xd01 [ 225.284150] ? find_held_lock+0x36/0x1c0 [ 225.288220] ? mark_held_locks+0x130/0x130 [ 225.292457] ? mark_held_locks+0x130/0x130 [ 225.296682] ? zap_class+0x640/0x640 [ 225.300395] ? mark_held_locks+0xc7/0x130 [ 225.304535] ? do_raw_spin_unlock+0xa7/0x330 [ 225.308950] ? zap_class+0x640/0x640 [ 225.312664] ? print_usage_bug+0xc0/0xc0 [ 225.316724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.322255] ? check_preemption_disabled+0x48/0x280 [ 225.327272] ? __lock_is_held+0xb5/0x140 [ 225.331333] __alloc_pages_nodemask+0xa80/0xde0 [ 225.335993] ? zap_class+0x640/0x640 [ 225.339706] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 225.344727] ? find_held_lock+0x36/0x1c0 [ 225.348797] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.353463] ? lock_downgrade+0x900/0x900 [ 225.357620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.363163] cache_grow_begin+0xa5/0x8c0 [ 225.367225] ? do_raw_spin_unlock+0xa7/0x330 [ 225.371638] fallback_alloc+0x204/0x2e0 [ 225.375627] ____cache_alloc_node+0x1c7/0x1e0 [ 225.380138] kmem_cache_alloc_node+0xe3/0x730 [ 225.384636] ? ipv6_get_ifaddr+0x42e/0x620 [ 225.388884] __alloc_skb+0x119/0x770 [ 225.392597] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 225.397877] ? netdev_alloc_frag+0x1f0/0x1f0 [ 225.402278] ? lock_downgrade+0x900/0x900 [ 225.406426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.411958] ? refcount_sub_and_test_checked+0x203/0x310 [ 225.417409] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 225.422860] ? addrconf_rs_timer+0x690/0x690 [ 225.427273] ndisc_alloc_skb+0x144/0x340 [ 225.431336] ndisc_send_rs+0x331/0x6e0 [ 225.435222] addrconf_rs_timer+0x314/0x690 [ 225.439459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.443699] call_timer_fn+0x272/0x920 [ 225.447580] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.451818] ? process_timeout+0x40/0x40 [ 225.455879] ? __run_timers+0x7da/0xc70 [ 225.459849] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.464339] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.468829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.473057] ? lockdep_hardirqs_on+0x296/0x5b0 [ 225.477638] ? trace_hardirqs_on+0xbd/0x310 [ 225.481951] ? kasan_check_read+0x11/0x20 [ 225.486090] ? __run_timers+0x7da/0xc70 [ 225.490060] ? trace_hardirqs_off_caller+0x310/0x310 [ 225.495161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.499397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.503625] __run_timers+0x7e5/0xc70 [ 225.507440] ? timer_fixup_init+0x70/0x70 [ 225.511579] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.516074] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.520567] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 225.525149] ? trace_hardirqs_on+0xbd/0x310 [ 225.529463] ? kasan_check_read+0x11/0x20 [ 225.533613] ? finish_task_switch+0x1f4/0x910 [ 225.538106] ? trace_hardirqs_off_caller+0x310/0x310 [ 225.543202] ? compat_start_thread+0x80/0x80 [ 225.547636] ? pvclock_read_flags+0x160/0x160 [ 225.552126] ? __switch_to_asm+0x34/0x70 [ 225.556184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.561713] ? check_preemption_disabled+0x48/0x280 [ 225.566731] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 225.572266] ? rcu_pm_notify+0xc0/0xc0 [ 225.576152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.581685] ? check_preemption_disabled+0x48/0x280 [ 225.586699] run_timer_softirq+0x52/0xb0 [ 225.590755] ? rcu_read_lock_sched_held+0x14f/0x180 [ 225.595765] __do_softirq+0x308/0xb7e [ 225.599572] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 225.604674] ? smpboot_thread_fn+0x334/0xa00 [ 225.609080] ? schedule+0x108/0x460 [ 225.612704] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.617465] ? trace_hardirqs_off+0xb8/0x310 [ 225.621877] ? smpboot_thread_fn+0x68b/0xa00 [ 225.626282] ? trace_hardirqs_on+0x310/0x310 [ 225.630688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.636222] ? check_preemption_disabled+0x48/0x280 [ 225.641719] ? takeover_tasklets+0xa90/0xa90 [ 225.646124] run_ksoftirqd+0x5e/0x100 [ 225.649926] smpboot_thread_fn+0x68b/0xa00 [ 225.654159] ? sort_range+0x30/0x30 [ 225.657784] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 225.662885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.668419] ? __kthread_parkme+0xfb/0x1a0 [ 225.672659] ? sort_range+0x30/0x30 [ 225.676282] kthread+0x35a/0x440 [ 225.679650] ? kthread_stop+0x900/0x900 [ 225.683626] ret_from_fork+0x3a/0x50 [ 225.687352] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 225.687357] warn_alloc_show_mem: 1 callbacks suppressed [ 225.687363] Mem-Info: [ 225.694276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.699643] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 225.699643] active_file:12 inactive_file:11 isolated_file:0 [ 225.699643] unevictable:0 dirty:0 writeback:0 unstable:0 [ 225.699643] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 225.699643] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 225.699643] free:13782 free_pcp:358 free_cma:0 [ 225.702009] Call Trace: [ 225.711388] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 225.744224] [ 225.746788] 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 [ 225.774365] dump_stack+0x244/0x39d [ 225.776486] lowmem_reserve[]: 0 2818 6321 6321 [ 225.802590] ? dump_stack_print_info.cold.1+0x20/0x20 [ 225.806555] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 225.811151] warn_alloc.cold.116+0xb7/0x1bd [ 225.816316] lowmem_reserve[]: 0 0 3503 3503 [ 225.843976] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.848271] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 225.852591] ? lock_downgrade+0x900/0x900 [ 225.857399] lowmem_reserve[]: 0 0 0 0 [ 225.886371] ? trace_hardirqs_off+0xb8/0x310 [ 225.890487] 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 [ 225.894280] ? trace_hardirqs_off+0xb8/0x310 [ 225.898651] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 225.912174] __alloc_pages_slowpath+0x26e8/0x2e10 [ 225.916556] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 225.931748] ? warn_alloc+0x120/0x120 [ 225.936549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 225.951447] ? warn_alloc+0x120/0x120 [ 225.955220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 225.964038] ? warn_alloc+0x120/0x120 [ 225.967807] 266 total pagecache pages [ 225.976368] ? print_usage_bug+0xc0/0xc0 [ 225.980147] 0 pages in swap cache [ 225.983940] ? print_usage_bug+0xc0/0xc0 [ 225.987986] Swap cache stats: add 0, delete 0, find 0/0 [ 225.991427] ? ktime_get+0x2c1/0x400 [ 225.995456] Free swap = 0kB [ 226.000818] ? check_preemption_disabled+0x48/0x280 [ 226.004500] Total swap = 0kB [ 226.007507] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 226.012493] 1965979 pages RAM [ 226.015500] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.019965] 0 pages HighMem/MovableOnly [ 226.023059] ? should_fail+0x22d/0xd01 [ 226.028570] 342854 pages reserved [ 226.032531] ? kasan_check_read+0x11/0x20 [ 226.036389] 0 pages cma reserved [ 226.039830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.044004] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 226.047296] ? __lock_acquire+0x62f/0x4c20 [ 226.052440] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.058851] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.063055] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 226.073364] ? should_fail+0x22d/0xd01 [ 226.086977] ? print_usage_bug+0xc0/0xc0 [ 226.091040] ? mark_held_locks+0x130/0x130 [ 226.095272] ? mark_held_locks+0x130/0x130 [ 226.099501] ? check_preemption_disabled+0x48/0x280 [ 226.104523] ? zap_class+0x640/0x640 [ 226.108244] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.112999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.118531] ? check_preemption_disabled+0x48/0x280 [ 226.123564] ? __lock_is_held+0xb5/0x140 [ 226.127626] __alloc_pages_nodemask+0xa80/0xde0 [ 226.132287] ? zap_class+0x640/0x640 [ 226.136003] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 226.141021] ? find_held_lock+0x36/0x1c0 [ 226.145102] ? ____cache_alloc_node+0x1c7/0x1e0 [ 226.149767] ? lock_downgrade+0x900/0x900 [ 226.153914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.159448] cache_grow_begin+0xa5/0x8c0 [ 226.163506] ? do_raw_spin_unlock+0xa7/0x330 [ 226.167920] fallback_alloc+0x204/0x2e0 [ 226.171894] ____cache_alloc_node+0x1c7/0x1e0 [ 226.176393] kmem_cache_alloc_node+0xe3/0x730 [ 226.180882] ? __kmalloc_node_track_caller+0x50/0x70 [ 226.185984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.191522] __alloc_skb+0x119/0x770 [ 226.195234] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 226.200599] ? netdev_alloc_frag+0x1f0/0x1f0 [ 226.205010] ? vprintk_default+0x28/0x30 [ 226.209077] ? vprintk_func+0x85/0x181 [ 226.212960] ? printk+0xa7/0xcf [ 226.216331] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 226.221089] ? trace_hardirqs_off+0xb8/0x310 [ 226.225501] new_skb+0x26/0x1c0 [ 226.228775] aoecmd_cfg+0x279/0x7f0 [ 226.232403] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 226.236723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.242265] ? __lock_is_held+0xb5/0x140 [ 226.246333] discover_timer+0x50/0x60 [ 226.250126] call_timer_fn+0x272/0x920 [ 226.254009] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 226.258847] ? process_timeout+0x40/0x40 [ 226.262915] ? mark_held_locks+0xc7/0x130 [ 226.267060] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.271557] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.276046] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 226.280897] ? lockdep_hardirqs_on+0x296/0x5b0 [ 226.285476] ? trace_hardirqs_on+0xbd/0x310 [ 226.289791] ? kasan_check_read+0x11/0x20 [ 226.293929] ? __run_timers+0x7da/0xc70 [ 226.297900] ? trace_hardirqs_off_caller+0x310/0x310 [ 226.303009] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 226.307845] __run_timers+0x7e5/0xc70 [ 226.311652] ? timer_fixup_init+0x70/0x70 [ 226.315797] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 226.320806] ? zap_class+0x640/0x640 [ 226.324519] ? print_usage_bug+0xc0/0xc0 [ 226.328586] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 226.333779] ? find_held_lock+0x36/0x1c0 [ 226.337843] ? zap_class+0x640/0x640 [ 226.341567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.347100] ? check_preemption_disabled+0x48/0x280 [ 226.352119] ? __lock_is_held+0xb5/0x140 [ 226.356180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.361716] ? check_preemption_disabled+0x48/0x280 [ 226.366741] run_timer_softirq+0x52/0xb0 [ 226.370798] ? rcu_read_lock_sched_held+0x14f/0x180 [ 226.375812] __do_softirq+0x308/0xb7e [ 226.379614] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 226.384105] ? lock_downgrade+0x900/0x900 [ 226.388252] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 226.393357] ? pvclock_read_flags+0x160/0x160 [ 226.397852] ? lapic_next_event+0x5a/0x90 [ 226.402007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.407552] ? kvm_clock_read+0x18/0x30 [ 226.411526] ? kvm_sched_clock_read+0x9/0x20 [ 226.415930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.421460] ? check_preemption_disabled+0x48/0x280 [ 226.426480] irq_exit+0x17f/0x1c0 [ 226.429927] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.434764] ? smp_reschedule_interrupt+0x109/0x650 [ 226.439777] ? smp_call_function_single_interrupt+0x650/0x650 [ 226.445653] ? interrupt_entry+0xb5/0xc0 [ 226.449708] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.454722] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.459739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.464581] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.469590] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.474599] ? task_prio+0x50/0x50 [ 226.478143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.483682] ? check_preemption_disabled+0x48/0x280 [ 226.488697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.493549] apic_timer_interrupt+0xf/0x20 [ 226.497774] [ 226.500011] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 226.505024] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 226.523924] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 226.531628] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 226.538890] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 226.546151] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 226.553413] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 226.560673] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 226.567965] rcu_read_lock_held+0xa9/0xc0 [ 226.572109] css_next_child+0x2a2/0x620 [ 226.576086] ? cgroup_mount+0xd30/0xd30 [ 226.580062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.585595] ? check_preemption_disabled+0x48/0x280 [ 226.590615] ? __lock_is_held+0xb5/0x140 [ 226.594683] css_next_descendant_pre+0xeb/0x190 [ 226.599350] mem_cgroup_iter+0x42f/0x1160 [ 226.603493] ? kasan_check_write+0x14/0x20 [ 226.607734] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 226.612487] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 226.617516] ? shrink_slab+0xfa/0x8c0 [ 226.621319] ? shrink_active_list+0x1f00/0x1f00 [ 226.625991] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 226.631615] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 226.636717] ? cgroup_procs_write_finish+0xf0/0xf0 [ 226.641646] ? find_held_lock+0x36/0x1c0 [ 226.645711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.651240] ? vmpressure+0x1a2/0x340 [ 226.655043] shrink_node+0x516/0x16b0 [ 226.658837] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 226.664131] ? shrink_node_memcg+0x18f0/0x18f0 [ 226.668714] ? kvm_clock_read+0x18/0x30 [ 226.672685] ? ktime_get+0x2c1/0x400 [ 226.676396] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 226.680893] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 226.686426] ? __cpuset_node_allowed+0x19b/0x660 [ 226.691190] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 226.696899] ? delayacct_end+0x5a/0x100 [ 226.700877] do_try_to_free_pages+0x3e7/0x1290 [ 226.705455] ? zap_class+0x640/0x640 [ 226.709179] ? shrink_node+0x16b0/0x16b0 [ 226.713235] ? __lock_is_held+0xb5/0x140 [ 226.717303] try_to_free_pages+0x4d0/0xb90 [ 226.721539] ? do_try_to_free_pages+0x1290/0x1290 [ 226.726388] ? lock_acquire+0x1ed/0x520 [ 226.730358] ? set_page_refcounted+0x280/0x280 [ 226.734942] ? lock_release+0xa00/0xa00 [ 226.738915] ? _raw_spin_unlock_irq+0x60/0x80 [ 226.743411] ? psi_memstall_enter+0x240/0x2b0 [ 226.747914] ? psi_memstall_tick+0x230/0x230 [ 226.752328] __alloc_pages_slowpath+0xa14/0x2e10 [ 226.757102] ? warn_alloc+0x120/0x120 [ 226.760897] ? mark_held_locks+0x130/0x130 [ 226.765131] ? find_get_entry+0xaae/0x1120 [ 226.769373] ? filemap_map_pages+0x1a20/0x1a20 [ 226.773964] ? zap_class+0x640/0x640 [ 226.777681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.783214] ? check_preemption_disabled+0x48/0x280 [ 226.788229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.793764] ? should_fail+0x22d/0xd01 [ 226.797736] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.802849] ? zap_class+0x640/0x640 [ 226.806582] ? __lock_is_held+0xb5/0x140 [ 226.810657] ? mark_held_locks+0x130/0x130 [ 226.814893] ? lock_release+0xa00/0xa00 [ 226.818866] ? perf_trace_sched_process_exec+0x860/0x860 [ 226.824309] ? xa_load+0x2ba/0x460 [ 226.827845] ? lock_downgrade+0x900/0x900 [ 226.831991] ? __might_sleep+0x95/0x190 [ 226.835969] __alloc_pages_nodemask+0xa80/0xde0 [ 226.840643] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 226.845662] ? __page_cache_alloc+0x191/0x5c0 [ 226.850149] ? xa_load+0x2e1/0x460 [ 226.853684] ? xa_clear_mark+0x40/0x40 [ 226.857566] ? zap_class+0x640/0x640 [ 226.861282] ? zap_class+0x640/0x640 [ 226.864994] ? zap_class+0x640/0x640 [ 226.868705] ? __do_page_cache_readahead+0x663/0x810 [ 226.873810] ? find_held_lock+0x36/0x1c0 [ 226.877871] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 226.883412] alloc_pages_current+0x173/0x350 [ 226.887827] __page_cache_alloc+0x38c/0x5c0 [ 226.892144] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 226.897066] ? kasan_check_read+0x11/0x20 [ 226.901211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 226.906490] ? generic_perform_write+0x6a0/0x6a0 [ 226.911241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.916772] ? check_preemption_disabled+0x48/0x280 [ 226.921792] filemap_fault+0x1595/0x25f0 [ 226.925858] ? __lock_page_or_retry+0xa00/0xa00 [ 226.930522] ? mark_held_locks+0x130/0x130 [ 226.934761] ? filemap_map_pages+0xd6b/0x1a20 [ 226.939255] ? lock_downgrade+0x900/0x900 [ 226.943396] ? check_preemption_disabled+0x48/0x280 [ 226.948409] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 226.953337] ? kasan_check_read+0x11/0x20 [ 226.957490] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 226.962762] ? rcu_softirq_qs+0x20/0x20 [ 226.966750] ? filemap_map_pages+0xd92/0x1a20 [ 226.971248] ? print_usage_bug+0xc0/0xc0 [ 226.975310] ? find_get_entries_tag+0x1400/0x1400 [ 226.980153] ? __kasan_slab_free+0x102/0x150 [ 226.984554] ? kasan_slab_free+0xe/0x10 [ 226.988527] ? kmem_cache_free+0x83/0x290 [ 226.992668] ? __sigqueue_free.part.29+0x74/0x90 [ 226.997433] ? lock_acquire+0x1ed/0x520 [ 227.001403] ? ext4_filemap_fault+0x7a/0xad [ 227.005726] ? lock_release+0xa00/0xa00 [ 227.009699] ? perf_trace_sched_process_exec+0x860/0x860 [ 227.015143] ? print_usage_bug+0xc0/0xc0 [ 227.019198] ? print_usage_bug+0xc0/0xc0 [ 227.023271] ? down_read+0x8d/0x120 [ 227.026894] ? ext4_filemap_fault+0x7a/0xad [ 227.031210] ? __down_interruptible+0x700/0x700 [ 227.035881] ext4_filemap_fault+0x82/0xad [ 227.040031] __do_fault+0x100/0x6b0 [ 227.043661] ? pmd_devmap_trans_unstable+0x220/0x220 [ 227.048760] ? mark_held_locks+0x130/0x130 [ 227.052994] ? mark_held_locks+0x130/0x130 [ 227.057229] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 227.062762] ? rcu_pm_notify+0xc0/0xc0 [ 227.066650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.072184] __handle_mm_fault+0x3ea0/0x5be0 [ 227.076599] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 227.081438] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.085937] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 227.090515] ? trace_hardirqs_on+0xbd/0x310 [ 227.094828] ? kasan_check_read+0x11/0x20 [ 227.098968] ? __set_current_blocked+0xdf/0x120 [ 227.103633] ? trace_hardirqs_off_caller+0x310/0x310 [ 227.108739] ? zap_class+0x640/0x640 [ 227.112446] ? zap_class+0x640/0x640 [ 227.116164] ? find_held_lock+0x36/0x1c0 [ 227.120232] ? handle_mm_fault+0x42a/0xc70 [ 227.124473] ? lock_downgrade+0x900/0x900 [ 227.128626] ? check_preemption_disabled+0x48/0x280 [ 227.133644] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 227.138568] ? kasan_check_read+0x11/0x20 [ 227.142708] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 227.147979] ? rcu_softirq_qs+0x20/0x20 [ 227.151949] ? trace_hardirqs_off_caller+0x310/0x310 [ 227.157052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.162586] ? check_preemption_disabled+0x48/0x280 [ 227.167602] handle_mm_fault+0x54f/0xc70 [ 227.171658] ? __handle_mm_fault+0x5be0/0x5be0 [ 227.176237] ? find_vma+0x34/0x190 [ 227.179777] __do_page_fault+0x5e8/0xe60 [ 227.183837] ? exit_to_usermode_loop+0x1f4/0x380 [ 227.188598] do_page_fault+0xf2/0x7e0 [ 227.192397] ? vmalloc_sync_all+0x30/0x30 [ 227.196538] ? error_entry+0x70/0xd0 [ 227.200250] ? trace_hardirqs_off_caller+0xbb/0x310 [ 227.205260] ? trace_hardirqs_on_caller+0xc0/0x310 [ 227.210183] ? syscall_return_slowpath+0x5e0/0x5e0 [ 227.215108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.219950] ? trace_hardirqs_on_caller+0x310/0x310 [ 227.224962] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.230416] ? prepare_exit_to_usermode+0x291/0x3b0 [ 227.235430] ? page_fault+0x8/0x30 [ 227.238979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.243827] ? page_fault+0x8/0x30 [ 227.247365] page_fault+0x1e/0x30 [ 227.250812] RIP: 0033:0x45db60 [ 227.254014] Code: Bad RIP value. [ 227.257368] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 227.262724] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 227.269994] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 227.277256] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 227.284517] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 227.291779] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 227.299068] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 227.299126] aoe: skb alloc failure [ 227.305814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.305819] Call Trace: [ 227.305837] dump_stack+0x244/0x39d [ 227.305858] ? dump_stack_print_info.cold.1+0x20/0x20 [ 227.309396] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 227.318726] warn_alloc.cold.116+0xb7/0x1bd [ 227.321276] syz-fuzzer cpuset=/ mems_allowed=0 [ 227.324890] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.353976] ? lock_downgrade+0x900/0x900 [ 227.358128] ? trace_hardirqs_off+0xb8/0x310 [ 227.362536] ? trace_hardirqs_off+0xb8/0x310 [ 227.366946] __alloc_pages_slowpath+0x26e8/0x2e10 [ 227.371806] ? warn_alloc+0x120/0x120 [ 227.375603] ? print_usage_bug+0xc0/0xc0 [ 227.379663] ? warn_alloc+0x120/0x120 [ 227.383466] ? warn_alloc+0x120/0x120 [ 227.387265] ? print_usage_bug+0xc0/0xc0 [ 227.391324] ? print_usage_bug+0xc0/0xc0 [ 227.395383] ? __lock_acquire+0x62f/0x4c20 [ 227.399617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.405145] ? should_fail+0x22d/0xd01 [ 227.409031] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.414129] ? __lock_acquire+0x62f/0x4c20 [ 227.418362] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.423462] ? __lock_acquire+0x62f/0x4c20 [ 227.427699] ? should_fail+0x22d/0xd01 [ 227.431602] ? find_held_lock+0x36/0x1c0 [ 227.435667] ? mark_held_locks+0x130/0x130 [ 227.439899] ? mark_held_locks+0x130/0x130 [ 227.444129] ? zap_class+0x640/0x640 [ 227.447844] ? mark_held_locks+0xc7/0x130 [ 227.451990] ? do_raw_spin_unlock+0xa7/0x330 [ 227.456392] ? zap_class+0x640/0x640 [ 227.460105] ? print_usage_bug+0xc0/0xc0 [ 227.464167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.469702] ? check_preemption_disabled+0x48/0x280 [ 227.474721] ? __lock_is_held+0xb5/0x140 [ 227.478782] __alloc_pages_nodemask+0xa80/0xde0 [ 227.483455] ? zap_class+0x640/0x640 [ 227.487173] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 227.492198] ? find_held_lock+0x36/0x1c0 [ 227.496263] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.500926] ? lock_downgrade+0x900/0x900 [ 227.505073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.510612] cache_grow_begin+0xa5/0x8c0 [ 227.514667] ? do_raw_spin_unlock+0xa7/0x330 [ 227.519075] fallback_alloc+0x204/0x2e0 [ 227.523053] ____cache_alloc_node+0x1c7/0x1e0 [ 227.527550] kmem_cache_alloc_node+0xe3/0x730 [ 227.532040] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.536279] __alloc_skb+0x119/0x770 [ 227.539988] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 227.545262] ? netdev_alloc_frag+0x1f0/0x1f0 [ 227.549665] ? lock_downgrade+0x900/0x900 [ 227.553818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.559348] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.564796] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.570241] ? addrconf_rs_timer+0x690/0x690 [ 227.574653] ndisc_alloc_skb+0x144/0x340 [ 227.578718] ndisc_send_rs+0x331/0x6e0 [ 227.582606] addrconf_rs_timer+0x314/0x690 [ 227.586838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.591080] call_timer_fn+0x272/0x920 [ 227.594965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.599199] ? process_timeout+0x40/0x40 [ 227.603260] ? __run_timers+0x7da/0xc70 [ 227.607228] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.611723] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.616297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.620525] ? lockdep_hardirqs_on+0x296/0x5b0 [ 227.625101] ? trace_hardirqs_on+0xbd/0x310 [ 227.629414] ? kasan_check_read+0x11/0x20 [ 227.633568] ? __run_timers+0x7da/0xc70 [ 227.637538] ? trace_hardirqs_off_caller+0x310/0x310 [ 227.643112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.647351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.651587] __run_timers+0x7e5/0xc70 [ 227.655390] ? timer_fixup_init+0x70/0x70 [ 227.659538] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.664024] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.668517] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 227.673093] ? trace_hardirqs_on+0xbd/0x310 [ 227.677408] ? kasan_check_read+0x11/0x20 [ 227.681566] ? finish_task_switch+0x1f4/0x910 [ 227.686056] ? trace_hardirqs_off_caller+0x310/0x310 [ 227.691152] ? compat_start_thread+0x80/0x80 [ 227.695581] ? pvclock_read_flags+0x160/0x160 [ 227.700067] ? __switch_to_asm+0x34/0x70 [ 227.704124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.709656] ? check_preemption_disabled+0x48/0x280 [ 227.714673] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 227.720207] ? rcu_pm_notify+0xc0/0xc0 [ 227.724093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.729624] ? check_preemption_disabled+0x48/0x280 [ 227.734639] run_timer_softirq+0x52/0xb0 [ 227.738693] ? rcu_read_lock_sched_held+0x14f/0x180 [ 227.743702] __do_softirq+0x308/0xb7e [ 227.747509] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 227.752609] ? smpboot_thread_fn+0x334/0xa00 [ 227.757015] ? schedule+0x108/0x460 [ 227.760637] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.765394] ? trace_hardirqs_off+0xb8/0x310 [ 227.769803] ? smpboot_thread_fn+0x68b/0xa00 [ 227.774208] ? trace_hardirqs_on+0x310/0x310 [ 227.778616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.784146] ? check_preemption_disabled+0x48/0x280 [ 227.789157] ? takeover_tasklets+0xa90/0xa90 [ 227.793565] run_ksoftirqd+0x5e/0x100 [ 227.797360] smpboot_thread_fn+0x68b/0xa00 [ 227.801600] ? sort_range+0x30/0x30 [ 227.806452] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.811551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.817084] ? __kthread_parkme+0xfb/0x1a0 [ 227.821320] ? sort_range+0x30/0x30 [ 227.824940] kthread+0x35a/0x440 [ 227.828306] ? kthread_stop+0x900/0x900 [ 227.832277] ret_from_fork+0x3a/0x50 [ 227.836003] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 227.836008] warn_alloc_show_mem: 1 callbacks suppressed [ 227.836014] Mem-Info: [ 227.842924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.848287] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 227.848287] active_file:12 inactive_file:11 isolated_file:0 [ 227.848287] unevictable:0 dirty:0 writeback:0 unstable:0 [ 227.848287] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 227.848287] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 227.848287] free:13782 free_pcp:358 free_cma:0 [ 227.850652] Call Trace: [ 227.860026] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 227.892863] [ 227.895425] 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 [ 227.922924] dump_stack+0x244/0x39d [ 227.925045] lowmem_reserve[]: 0 2818 6321 6321 [ 227.951144] ? dump_stack_print_info.cold.1+0x20/0x20 [ 227.954741] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 227.959323] warn_alloc.cold.116+0xb7/0x1bd [ 227.964478] lowmem_reserve[]: 0 0 3503 3503 [ 227.992135] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.996431] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 228.000744] ? lock_downgrade+0x900/0x900 [ 228.005553] lowmem_reserve[]: 0 0 0 0 [ 228.034526] ? trace_hardirqs_off+0xb8/0x310 [ 228.038642] 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 [ 228.042436] ? trace_hardirqs_off+0xb8/0x310 [ 228.046813] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 228.060330] __alloc_pages_slowpath+0x26e8/0x2e10 [ 228.064705] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 228.079889] ? warn_alloc+0x120/0x120 [ 228.084690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 228.099936] ? warn_alloc+0x120/0x120 [ 228.103713] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 228.112535] ? __lock_acquire+0x62f/0x4c20 [ 228.116307] 266 total pagecache pages [ 228.124867] ? warn_alloc+0x120/0x120 [ 228.129082] 0 pages in swap cache [ 228.132864] ? print_usage_bug+0xc0/0xc0 [ 228.136641] Swap cache stats: add 0, delete 0, find 0/0 [ 228.140078] ? print_usage_bug+0xc0/0xc0 [ 228.144112] Free swap = 0kB [ 228.149464] ? mark_held_locks+0x130/0x130 [ 228.153488] Total swap = 0kB [ 228.153495] 1965979 pages RAM [ 228.156511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.161063] 0 pages HighMem/MovableOnly [ 228.164072] ? should_fail+0x22d/0xd01 [ 228.167143] 342854 pages reserved [ 228.167150] 0 pages cma reserved [ 228.172671] ? zap_class+0x640/0x640 [ 228.176678] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.180489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.183988] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.187269] ? __lock_acquire+0x62f/0x4c20 [ 228.190956] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 228.197439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.226755] ? should_fail+0x22d/0xd01 [ 228.230647] ? mark_held_locks+0x130/0x130 [ 228.234882] ? mark_held_locks+0x130/0x130 [ 228.239111] ? lock_downgrade+0x900/0x900 [ 228.243252] ? zap_class+0x640/0x640 [ 228.246964] ? zap_class+0x640/0x640 [ 228.250675] ? zap_class+0x640/0x640 [ 228.254386] ? do_raw_spin_unlock+0xa7/0x330 [ 228.258792] ? trace_hardirqs_on+0x310/0x310 [ 228.263198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.268728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.274261] ? check_preemption_disabled+0x48/0x280 [ 228.279281] ? __lock_is_held+0xb5/0x140 [ 228.283341] __alloc_pages_nodemask+0xa80/0xde0 [ 228.288021] ? zap_class+0x640/0x640 [ 228.291735] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 228.296756] ? find_held_lock+0x36/0x1c0 [ 228.300821] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.305488] ? lock_downgrade+0x900/0x900 [ 228.309641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.315178] cache_grow_begin+0xa5/0x8c0 [ 228.319233] ? do_raw_spin_unlock+0xa7/0x330 [ 228.323642] fallback_alloc+0x204/0x2e0 [ 228.327617] ____cache_alloc_node+0x1c7/0x1e0 [ 228.332115] kmem_cache_alloc_node+0xe3/0x730 [ 228.336604] ? __kmalloc_node_track_caller+0x50/0x70 [ 228.341702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.347250] __alloc_skb+0x119/0x770 [ 228.350967] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.356328] ? netdev_alloc_frag+0x1f0/0x1f0 [ 228.360745] ? vprintk_default+0x28/0x30 [ 228.364802] ? vprintk_func+0x85/0x181 [ 228.368685] ? printk+0xa7/0xcf [ 228.371958] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 228.376711] ? trace_hardirqs_off+0xb8/0x310 [ 228.381119] new_skb+0x26/0x1c0 [ 228.384392] aoecmd_cfg+0x279/0x7f0 [ 228.388019] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 228.392338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.397889] ? __lock_is_held+0xb5/0x140 [ 228.401958] discover_timer+0x50/0x60 [ 228.405754] call_timer_fn+0x272/0x920 [ 228.409640] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 228.414478] ? process_timeout+0x40/0x40 [ 228.418542] ? mark_held_locks+0xc7/0x130 [ 228.422685] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.427177] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.431752] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 228.436590] ? lockdep_hardirqs_on+0x296/0x5b0 [ 228.441173] ? trace_hardirqs_on+0xbd/0x310 [ 228.445490] ? kasan_check_read+0x11/0x20 [ 228.449631] ? __run_timers+0x7da/0xc70 [ 228.453600] ? trace_hardirqs_off_caller+0x310/0x310 [ 228.458709] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 228.463544] __run_timers+0x7e5/0xc70 [ 228.467354] ? timer_fixup_init+0x70/0x70 [ 228.471497] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 228.476508] ? zap_class+0x640/0x640 [ 228.480227] ? print_usage_bug+0xc0/0xc0 [ 228.484288] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 228.489478] ? find_held_lock+0x36/0x1c0 [ 228.493543] ? zap_class+0x640/0x640 [ 228.497256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.502793] ? check_preemption_disabled+0x48/0x280 [ 228.507812] ? __lock_is_held+0xb5/0x140 [ 228.511868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.517404] ? check_preemption_disabled+0x48/0x280 [ 228.522418] run_timer_softirq+0x52/0xb0 [ 228.526474] ? rcu_read_lock_sched_held+0x14f/0x180 [ 228.531497] __do_softirq+0x308/0xb7e [ 228.535298] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 228.539786] ? lock_downgrade+0x900/0x900 [ 228.543934] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 228.549042] ? pvclock_read_flags+0x160/0x160 [ 228.553533] ? lapic_next_event+0x5a/0x90 [ 228.557682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.563216] ? kvm_clock_read+0x18/0x30 [ 228.567187] ? kvm_sched_clock_read+0x9/0x20 [ 228.571594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.577125] ? check_preemption_disabled+0x48/0x280 [ 228.582145] irq_exit+0x17f/0x1c0 [ 228.585594] smp_apic_timer_interrupt+0x1cb/0x760 [ 228.590430] ? smp_reschedule_interrupt+0x109/0x650 [ 228.595442] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.601322] ? interrupt_entry+0xb5/0xc0 [ 228.605387] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.610399] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.615413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.620249] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.625262] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.630273] ? task_prio+0x50/0x50 [ 228.633811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.639353] ? check_preemption_disabled+0x48/0x280 [ 228.644371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.649709] apic_timer_interrupt+0xf/0x20 [ 228.653932] [ 228.656164] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 228.661176] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 228.680068] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 228.687768] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 228.695029] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 228.702290] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 228.709554] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 228.716815] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 228.724191] rcu_read_lock_held+0xa9/0xc0 [ 228.728343] css_next_child+0x2a2/0x620 [ 228.732318] ? cgroup_mount+0xd30/0xd30 [ 228.736296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.741844] ? check_preemption_disabled+0x48/0x280 [ 228.746870] ? __lock_is_held+0xb5/0x140 [ 228.750939] css_next_descendant_pre+0xeb/0x190 [ 228.755607] mem_cgroup_iter+0x42f/0x1160 [ 228.759750] ? kasan_check_write+0x14/0x20 [ 228.763983] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 228.768738] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 228.773753] ? shrink_slab+0xfa/0x8c0 [ 228.777548] ? shrink_active_list+0x1f00/0x1f00 [ 228.782219] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 228.787837] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 228.792944] ? cgroup_procs_write_finish+0xf0/0xf0 [ 228.797877] ? find_held_lock+0x36/0x1c0 [ 228.801933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.807680] ? vmpressure+0x1a2/0x340 [ 228.811477] shrink_node+0x516/0x16b0 [ 228.815272] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 228.820568] ? shrink_node_memcg+0x18f0/0x18f0 [ 228.825146] ? kvm_clock_read+0x18/0x30 [ 228.829118] ? ktime_get+0x2c1/0x400 [ 228.832832] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 228.837336] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 228.842876] ? __cpuset_node_allowed+0x19b/0x660 [ 228.847631] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 228.853348] ? delayacct_end+0x5a/0x100 [ 228.857331] do_try_to_free_pages+0x3e7/0x1290 [ 228.861924] ? zap_class+0x640/0x640 [ 228.865649] ? shrink_node+0x16b0/0x16b0 [ 228.869710] ? __lock_is_held+0xb5/0x140 [ 228.873810] try_to_free_pages+0x4d0/0xb90 [ 228.878064] ? do_try_to_free_pages+0x1290/0x1290 [ 228.882912] ? lock_acquire+0x1ed/0x520 [ 228.886879] ? set_page_refcounted+0x280/0x280 [ 228.891465] ? lock_release+0xa00/0xa00 [ 228.895438] ? _raw_spin_unlock_irq+0x60/0x80 [ 228.899928] ? psi_memstall_enter+0x240/0x2b0 [ 228.904419] ? psi_memstall_tick+0x230/0x230 [ 228.908832] __alloc_pages_slowpath+0xa14/0x2e10 [ 228.913609] ? warn_alloc+0x120/0x120 [ 228.917407] ? mark_held_locks+0x130/0x130 [ 228.921640] ? find_get_entry+0xaae/0x1120 [ 228.925877] ? filemap_map_pages+0x1a20/0x1a20 [ 228.930462] ? zap_class+0x640/0x640 [ 228.934178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.939720] ? check_preemption_disabled+0x48/0x280 [ 228.944734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.950266] ? should_fail+0x22d/0xd01 [ 228.954153] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.959253] ? zap_class+0x640/0x640 [ 228.962994] ? __lock_is_held+0xb5/0x140 [ 228.967061] ? mark_held_locks+0x130/0x130 [ 228.971296] ? lock_release+0xa00/0xa00 [ 228.975276] ? perf_trace_sched_process_exec+0x860/0x860 [ 228.980727] ? xa_load+0x2ba/0x460 [ 228.984266] ? lock_downgrade+0x900/0x900 [ 228.988412] ? __might_sleep+0x95/0x190 [ 228.992393] __alloc_pages_nodemask+0xa80/0xde0 [ 228.997064] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 229.002080] ? __page_cache_alloc+0x191/0x5c0 [ 229.006572] ? xa_load+0x2e1/0x460 [ 229.010111] ? xa_clear_mark+0x40/0x40 [ 229.013996] ? zap_class+0x640/0x640 [ 229.017720] ? zap_class+0x640/0x640 [ 229.021429] ? zap_class+0x640/0x640 [ 229.025137] ? __do_page_cache_readahead+0x663/0x810 [ 229.030239] ? find_held_lock+0x36/0x1c0 [ 229.034309] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 229.039850] alloc_pages_current+0x173/0x350 [ 229.044258] __page_cache_alloc+0x38c/0x5c0 [ 229.048572] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 229.053499] ? kasan_check_read+0x11/0x20 [ 229.057657] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 229.062928] ? generic_perform_write+0x6a0/0x6a0 [ 229.067680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.073213] ? check_preemption_disabled+0x48/0x280 [ 229.078228] filemap_fault+0x1595/0x25f0 [ 229.082308] ? __lock_page_or_retry+0xa00/0xa00 [ 229.086980] ? mark_held_locks+0x130/0x130 [ 229.091566] ? filemap_map_pages+0xd6b/0x1a20 [ 229.096056] ? lock_downgrade+0x900/0x900 [ 229.100197] ? check_preemption_disabled+0x48/0x280 [ 229.105214] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 229.110154] ? kasan_check_read+0x11/0x20 [ 229.114305] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 229.119580] ? rcu_softirq_qs+0x20/0x20 [ 229.123562] ? filemap_map_pages+0xd92/0x1a20 [ 229.128056] ? print_usage_bug+0xc0/0xc0 [ 229.132116] ? find_get_entries_tag+0x1400/0x1400 [ 229.136954] ? __kasan_slab_free+0x102/0x150 [ 229.141355] ? kasan_slab_free+0xe/0x10 [ 229.145321] ? kmem_cache_free+0x83/0x290 [ 229.149462] ? __sigqueue_free.part.29+0x74/0x90 [ 229.154230] ? lock_acquire+0x1ed/0x520 [ 229.158199] ? ext4_filemap_fault+0x7a/0xad [ 229.162520] ? lock_release+0xa00/0xa00 [ 229.166491] ? perf_trace_sched_process_exec+0x860/0x860 [ 229.171938] ? print_usage_bug+0xc0/0xc0 [ 229.175994] ? print_usage_bug+0xc0/0xc0 [ 229.180058] ? down_read+0x8d/0x120 [ 229.183675] ? ext4_filemap_fault+0x7a/0xad [ 229.187991] ? __down_interruptible+0x700/0x700 [ 229.192665] ext4_filemap_fault+0x82/0xad [ 229.196806] __do_fault+0x100/0x6b0 [ 229.201564] ? pmd_devmap_trans_unstable+0x220/0x220 [ 229.206664] ? mark_held_locks+0x130/0x130 [ 229.210895] ? mark_held_locks+0x130/0x130 [ 229.215130] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 229.220666] ? rcu_pm_notify+0xc0/0xc0 [ 229.224555] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.230095] __handle_mm_fault+0x3ea0/0x5be0 [ 229.234505] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 229.239341] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.243840] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 229.248418] ? trace_hardirqs_on+0xbd/0x310 [ 229.252731] ? kasan_check_read+0x11/0x20 [ 229.256876] ? __set_current_blocked+0xdf/0x120 [ 229.261541] ? trace_hardirqs_off_caller+0x310/0x310 [ 229.266651] ? zap_class+0x640/0x640 [ 229.270361] ? zap_class+0x640/0x640 [ 229.274074] ? find_held_lock+0x36/0x1c0 [ 229.278137] ? handle_mm_fault+0x42a/0xc70 [ 229.282368] ? lock_downgrade+0x900/0x900 [ 229.286514] ? check_preemption_disabled+0x48/0x280 [ 229.291530] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 229.296456] ? kasan_check_read+0x11/0x20 [ 229.300596] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 229.305866] ? rcu_softirq_qs+0x20/0x20 [ 229.309839] ? trace_hardirqs_off_caller+0x310/0x310 [ 229.314940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.320475] ? check_preemption_disabled+0x48/0x280 [ 229.325494] handle_mm_fault+0x54f/0xc70 [ 229.329566] ? __handle_mm_fault+0x5be0/0x5be0 [ 229.334149] ? find_vma+0x34/0x190 [ 229.337689] __do_page_fault+0x5e8/0xe60 [ 229.341746] ? exit_to_usermode_loop+0x1f4/0x380 [ 229.346508] do_page_fault+0xf2/0x7e0 [ 229.350306] ? vmalloc_sync_all+0x30/0x30 [ 229.354449] ? error_entry+0x70/0xd0 [ 229.358157] ? trace_hardirqs_off_caller+0xbb/0x310 [ 229.363165] ? trace_hardirqs_on_caller+0xc0/0x310 [ 229.368087] ? syscall_return_slowpath+0x5e0/0x5e0 [ 229.373019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.377858] ? trace_hardirqs_on_caller+0x310/0x310 [ 229.382866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.388317] ? prepare_exit_to_usermode+0x291/0x3b0 [ 229.393330] ? page_fault+0x8/0x30 [ 229.396865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.401707] ? page_fault+0x8/0x30 [ 229.405242] page_fault+0x1e/0x30 [ 229.408697] RIP: 0033:0x45db60 [ 229.411898] Code: Bad RIP value. [ 229.415253] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 229.420615] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 229.427878] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 229.435140] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 229.442400] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 229.449662] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 229.456948] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 229.457005] aoe: skb alloc failure [ 229.463699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.463703] Call Trace: [ 229.463721] dump_stack+0x244/0x39d [ 229.463743] ? dump_stack_print_info.cold.1+0x20/0x20 [ 229.467286] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 229.476615] warn_alloc.cold.116+0xb7/0x1bd [ 229.479167] syz-fuzzer cpuset=/ mems_allowed=0 [ 229.482780] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 229.511860] ? lock_downgrade+0x900/0x900 [ 229.516013] ? trace_hardirqs_off+0xb8/0x310 [ 229.520422] ? trace_hardirqs_off+0xb8/0x310 [ 229.524833] __alloc_pages_slowpath+0x26e8/0x2e10 [ 229.529693] ? warn_alloc+0x120/0x120 [ 229.533499] ? print_usage_bug+0xc0/0xc0 [ 229.537558] ? warn_alloc+0x120/0x120 [ 229.541364] ? warn_alloc+0x120/0x120 [ 229.545159] ? print_usage_bug+0xc0/0xc0 [ 229.549223] ? print_usage_bug+0xc0/0xc0 [ 229.553293] ? __lock_acquire+0x62f/0x4c20 [ 229.557528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.563058] ? should_fail+0x22d/0xd01 [ 229.566945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.572043] ? __lock_acquire+0x62f/0x4c20 [ 229.576291] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.581386] ? __lock_acquire+0x62f/0x4c20 [ 229.585612] ? should_fail+0x22d/0xd01 [ 229.589495] ? find_held_lock+0x36/0x1c0 [ 229.593558] ? mark_held_locks+0x130/0x130 [ 229.597791] ? mark_held_locks+0x130/0x130 [ 229.602019] ? zap_class+0x640/0x640 [ 229.605748] ? mark_held_locks+0xc7/0x130 [ 229.609902] ? do_raw_spin_unlock+0xa7/0x330 [ 229.614307] ? zap_class+0x640/0x640 [ 229.618016] ? print_usage_bug+0xc0/0xc0 [ 229.622073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.627606] ? check_preemption_disabled+0x48/0x280 [ 229.632628] ? __lock_is_held+0xb5/0x140 [ 229.636689] __alloc_pages_nodemask+0xa80/0xde0 [ 229.641797] ? zap_class+0x640/0x640 [ 229.645513] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 229.650532] ? find_held_lock+0x36/0x1c0 [ 229.654599] ? ____cache_alloc_node+0x1c7/0x1e0 [ 229.659267] ? lock_downgrade+0x900/0x900 [ 229.663440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.668979] cache_grow_begin+0xa5/0x8c0 [ 229.673033] ? do_raw_spin_unlock+0xa7/0x330 [ 229.677442] fallback_alloc+0x204/0x2e0 [ 229.681415] ____cache_alloc_node+0x1c7/0x1e0 [ 229.685910] kmem_cache_alloc_node+0xe3/0x730 [ 229.690400] ? ipv6_get_ifaddr+0x42e/0x620 [ 229.694642] __alloc_skb+0x119/0x770 [ 229.698353] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 229.703631] ? netdev_alloc_frag+0x1f0/0x1f0 [ 229.708123] ? lock_downgrade+0x900/0x900 [ 229.712279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.717816] ? refcount_sub_and_test_checked+0x203/0x310 [ 229.723350] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 229.728794] ? addrconf_rs_timer+0x690/0x690 [ 229.733209] ndisc_alloc_skb+0x144/0x340 [ 229.737283] ndisc_send_rs+0x331/0x6e0 [ 229.741169] addrconf_rs_timer+0x314/0x690 [ 229.745402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.749639] call_timer_fn+0x272/0x920 [ 229.753523] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.757754] ? process_timeout+0x40/0x40 [ 229.761816] ? __run_timers+0x7da/0xc70 [ 229.765790] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.770285] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.774772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.779001] ? lockdep_hardirqs_on+0x296/0x5b0 [ 229.783578] ? trace_hardirqs_on+0xbd/0x310 [ 229.787898] ? kasan_check_read+0x11/0x20 [ 229.792037] ? __run_timers+0x7da/0xc70 [ 229.796010] ? trace_hardirqs_off_caller+0x310/0x310 [ 229.801109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.805606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.809832] __run_timers+0x7e5/0xc70 [ 229.813637] ? timer_fixup_init+0x70/0x70 [ 229.817779] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.822271] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.826760] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 229.831340] ? trace_hardirqs_on+0xbd/0x310 [ 229.835655] ? kasan_check_read+0x11/0x20 [ 229.839804] ? finish_task_switch+0x1f4/0x910 [ 229.844292] ? trace_hardirqs_off_caller+0x310/0x310 [ 229.849394] ? compat_start_thread+0x80/0x80 [ 229.853820] ? pvclock_read_flags+0x160/0x160 [ 229.858306] ? __switch_to_asm+0x34/0x70 [ 229.862361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.867895] ? check_preemption_disabled+0x48/0x280 [ 229.872915] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 229.878451] ? rcu_pm_notify+0xc0/0xc0 [ 229.882338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.887876] ? check_preemption_disabled+0x48/0x280 [ 229.892891] run_timer_softirq+0x52/0xb0 [ 229.896953] ? rcu_read_lock_sched_held+0x14f/0x180 [ 229.901963] __do_softirq+0x308/0xb7e [ 229.905772] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 229.910871] ? smpboot_thread_fn+0x334/0xa00 [ 229.915278] ? schedule+0x108/0x460 [ 229.918899] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.923659] ? trace_hardirqs_off+0xb8/0x310 [ 229.928065] ? smpboot_thread_fn+0x68b/0xa00 [ 229.932468] ? trace_hardirqs_on+0x310/0x310 [ 229.936872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.942412] ? check_preemption_disabled+0x48/0x280 [ 229.947423] ? takeover_tasklets+0xa90/0xa90 [ 229.951829] run_ksoftirqd+0x5e/0x100 [ 229.955623] smpboot_thread_fn+0x68b/0xa00 [ 229.959860] ? sort_range+0x30/0x30 [ 229.963480] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.968581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.974113] ? __kthread_parkme+0xfb/0x1a0 [ 229.978344] ? sort_range+0x30/0x30 [ 229.981963] kthread+0x35a/0x440 [ 229.985329] ? kthread_stop+0x900/0x900 [ 229.989298] ret_from_fork+0x3a/0x50 [ 229.993018] warn_alloc_show_mem: 1 callbacks suppressed [ 229.993028] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 229.993029] Mem-Info: [ 229.993060] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 229.993060] active_file:12 inactive_file:11 isolated_file:0 [ 229.993060] unevictable:0 dirty:0 writeback:0 unstable:0 [ 229.993060] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 229.993060] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 229.993060] free:13782 free_pcp:358 free_cma:0 [ 229.998397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.005317] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 230.007707] Call Trace: [ 230.040569] 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 [ 230.049905] [ 230.077377] lowmem_reserve[]: 0 2818 6321 6321 [ 230.079957] dump_stack+0x244/0x39d [ 230.106040] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 230.108183] ? dump_stack_print_info.cold.1+0x20/0x20 [ 230.112734] lowmem_reserve[]: 0 0 3503 3503 [ 230.116361] warn_alloc.cold.116+0xb7/0x1bd [ 230.143992] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 230.149175] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.153467] lowmem_reserve[]: 0 0 0 0 [ 230.157778] ? lock_downgrade+0x900/0x900 [ 230.186717] 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 [ 230.191563] ? trace_hardirqs_off+0xb8/0x310 [ 230.195331] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 230.199476] ? trace_hardirqs_off+0xb8/0x310 [ 230.212967] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 230.217367] __alloc_pages_slowpath+0x26e8/0x2e10 [ 230.232510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 230.236923] ? warn_alloc+0x120/0x120 [ 230.251790] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 230.256617] ? warn_alloc+0x120/0x120 [ 230.265419] 266 total pagecache pages [ 230.269212] ? __lock_acquire+0x62f/0x4c20 [ 230.277765] 0 pages in swap cache [ 230.281548] ? warn_alloc+0x120/0x120 [ 230.285317] Swap cache stats: add 0, delete 0, find 0/0 [ 230.285324] Free swap = 0kB [ 230.289547] ? print_usage_bug+0xc0/0xc0 [ 230.292970] Total swap = 0kB [ 230.296757] ? print_usage_bug+0xc0/0xc0 [ 230.302090] 1965979 pages RAM [ 230.305098] ? mark_held_locks+0x130/0x130 [ 230.309131] 0 pages HighMem/MovableOnly [ 230.312143] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.316170] 342854 pages reserved [ 230.319271] ? should_fail+0x22d/0xd01 [ 230.323476] 0 pages cma reserved [ 230.327437] ? zap_class+0x640/0x640 [ 230.332999] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 230.336385] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.340290] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 230.343600] ? __lock_acquire+0x62f/0x4c20 [ 230.347286] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 230.353764] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.383074] ? should_fail+0x22d/0xd01 [ 230.386964] ? mark_held_locks+0x130/0x130 [ 230.391201] ? mark_held_locks+0x130/0x130 [ 230.395429] ? lock_downgrade+0x900/0x900 [ 230.399572] ? zap_class+0x640/0x640 [ 230.403286] ? zap_class+0x640/0x640 [ 230.406997] ? zap_class+0x640/0x640 [ 230.410707] ? do_raw_spin_unlock+0xa7/0x330 [ 230.415114] ? trace_hardirqs_on+0x310/0x310 [ 230.419516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.425048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.430578] ? check_preemption_disabled+0x48/0x280 [ 230.435601] ? __lock_is_held+0xb5/0x140 [ 230.439663] __alloc_pages_nodemask+0xa80/0xde0 [ 230.444325] ? zap_class+0x640/0x640 [ 230.448043] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 230.453062] ? find_held_lock+0x36/0x1c0 [ 230.457134] ? ____cache_alloc_node+0x1c7/0x1e0 [ 230.461813] ? lock_downgrade+0x900/0x900 [ 230.465962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.471499] cache_grow_begin+0xa5/0x8c0 [ 230.475552] ? do_raw_spin_unlock+0xa7/0x330 [ 230.479964] fallback_alloc+0x204/0x2e0 [ 230.483938] ____cache_alloc_node+0x1c7/0x1e0 [ 230.488435] kmem_cache_alloc_node+0xe3/0x730 [ 230.492927] ? __kmalloc_node_track_caller+0x50/0x70 [ 230.498028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.503564] __alloc_skb+0x119/0x770 [ 230.507270] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 230.512642] ? netdev_alloc_frag+0x1f0/0x1f0 [ 230.517055] ? vprintk_default+0x28/0x30 [ 230.521110] ? vprintk_func+0x85/0x181 [ 230.524996] ? printk+0xa7/0xcf [ 230.528273] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 230.533025] ? trace_hardirqs_off+0xb8/0x310 [ 230.537431] new_skb+0x26/0x1c0 [ 230.540710] aoecmd_cfg+0x279/0x7f0 [ 230.544336] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 230.548657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.554207] ? __lock_is_held+0xb5/0x140 [ 230.558278] discover_timer+0x50/0x60 [ 230.562072] call_timer_fn+0x272/0x920 [ 230.565956] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 230.570796] ? process_timeout+0x40/0x40 [ 230.574859] ? mark_held_locks+0xc7/0x130 [ 230.579001] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.583490] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.587979] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 230.592820] ? lockdep_hardirqs_on+0x296/0x5b0 [ 230.597399] ? trace_hardirqs_on+0xbd/0x310 [ 230.601716] ? kasan_check_read+0x11/0x20 [ 230.605860] ? __run_timers+0x7da/0xc70 [ 230.609829] ? trace_hardirqs_off_caller+0x310/0x310 [ 230.614945] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 230.619782] __run_timers+0x7e5/0xc70 [ 230.623589] ? timer_fixup_init+0x70/0x70 [ 230.627737] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 230.632751] ? zap_class+0x640/0x640 [ 230.636462] ? print_usage_bug+0xc0/0xc0 [ 230.640521] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 230.645716] ? find_held_lock+0x36/0x1c0 [ 230.649779] ? zap_class+0x640/0x640 [ 230.653492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.659028] ? check_preemption_disabled+0x48/0x280 [ 230.664046] ? __lock_is_held+0xb5/0x140 [ 230.668108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.673647] ? check_preemption_disabled+0x48/0x280 [ 230.678661] run_timer_softirq+0x52/0xb0 [ 230.682731] ? rcu_read_lock_sched_held+0x14f/0x180 [ 230.687739] __do_softirq+0x308/0xb7e [ 230.691540] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 230.696031] ? lock_downgrade+0x900/0x900 [ 230.700184] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 230.705288] ? pvclock_read_flags+0x160/0x160 [ 230.709779] ? lapic_next_event+0x5a/0x90 [ 230.713922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.719457] ? kvm_clock_read+0x18/0x30 [ 230.723425] ? kvm_sched_clock_read+0x9/0x20 [ 230.727830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.733362] ? check_preemption_disabled+0x48/0x280 [ 230.738385] irq_exit+0x17f/0x1c0 [ 230.741837] smp_apic_timer_interrupt+0x1cb/0x760 [ 230.746671] ? smp_reschedule_interrupt+0x109/0x650 [ 230.751688] ? smp_call_function_single_interrupt+0x650/0x650 [ 230.757566] ? interrupt_entry+0xb5/0xc0 [ 230.761622] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.766629] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.771640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.776479] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.781486] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.786496] ? task_prio+0x50/0x50 [ 230.790034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.795566] ? check_preemption_disabled+0x48/0x280 [ 230.800581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.805422] apic_timer_interrupt+0xf/0x20 [ 230.809643] [ 230.811875] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 230.816887] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 230.835782] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 230.843495] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 230.850759] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 230.858021] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 230.865388] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 230.872652] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 230.879946] rcu_read_lock_held+0xa9/0xc0 [ 230.884087] css_next_child+0x2a2/0x620 [ 230.888063] ? cgroup_mount+0xd30/0xd30 [ 230.892036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.897570] ? check_preemption_disabled+0x48/0x280 [ 230.902587] ? __lock_is_held+0xb5/0x140 [ 230.906656] css_next_descendant_pre+0xeb/0x190 [ 230.911331] mem_cgroup_iter+0x42f/0x1160 [ 230.915478] ? kasan_check_write+0x14/0x20 [ 230.919720] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 230.924471] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 230.929484] ? shrink_slab+0xfa/0x8c0 [ 230.933280] ? shrink_active_list+0x1f00/0x1f00 [ 230.937954] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 230.943574] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 230.948693] ? cgroup_procs_write_finish+0xf0/0xf0 [ 230.953629] ? find_held_lock+0x36/0x1c0 [ 230.957688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.963218] ? vmpressure+0x1a2/0x340 [ 230.967019] shrink_node+0x516/0x16b0 [ 230.970817] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 230.976112] ? shrink_node_memcg+0x18f0/0x18f0 [ 230.980698] ? kvm_clock_read+0x18/0x30 [ 230.984683] ? ktime_get+0x2c1/0x400 [ 230.988398] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 230.992893] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 230.998427] ? __cpuset_node_allowed+0x19b/0x660 [ 231.003180] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 231.008888] ? delayacct_end+0x5a/0x100 [ 231.012865] do_try_to_free_pages+0x3e7/0x1290 [ 231.017439] ? zap_class+0x640/0x640 [ 231.021247] ? shrink_node+0x16b0/0x16b0 [ 231.025306] ? __lock_is_held+0xb5/0x140 [ 231.029371] try_to_free_pages+0x4d0/0xb90 [ 231.033607] ? do_try_to_free_pages+0x1290/0x1290 [ 231.038458] ? lock_acquire+0x1ed/0x520 [ 231.042425] ? set_page_refcounted+0x280/0x280 [ 231.047012] ? lock_release+0xa00/0xa00 [ 231.051073] ? _raw_spin_unlock_irq+0x60/0x80 [ 231.055565] ? psi_memstall_enter+0x240/0x2b0 [ 231.060075] ? psi_memstall_tick+0x230/0x230 [ 231.064487] __alloc_pages_slowpath+0xa14/0x2e10 [ 231.069262] ? warn_alloc+0x120/0x120 [ 231.073057] ? mark_held_locks+0x130/0x130 [ 231.077303] ? find_get_entry+0xaae/0x1120 [ 231.081541] ? filemap_map_pages+0x1a20/0x1a20 [ 231.086132] ? zap_class+0x640/0x640 [ 231.089848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.095384] ? check_preemption_disabled+0x48/0x280 [ 231.100394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.106011] ? should_fail+0x22d/0xd01 [ 231.109898] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.114998] ? zap_class+0x640/0x640 [ 231.118732] ? __lock_is_held+0xb5/0x140 [ 231.122796] ? mark_held_locks+0x130/0x130 [ 231.127030] ? lock_release+0xa00/0xa00 [ 231.130999] ? perf_trace_sched_process_exec+0x860/0x860 [ 231.136446] ? xa_load+0x2ba/0x460 [ 231.139983] ? lock_downgrade+0x900/0x900 [ 231.144141] ? __might_sleep+0x95/0x190 [ 231.148126] __alloc_pages_nodemask+0xa80/0xde0 [ 231.152796] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 231.157809] ? __page_cache_alloc+0x191/0x5c0 [ 231.162295] ? xa_load+0x2e1/0x460 [ 231.165842] ? xa_clear_mark+0x40/0x40 [ 231.169726] ? zap_class+0x640/0x640 [ 231.173441] ? zap_class+0x640/0x640 [ 231.177149] ? zap_class+0x640/0x640 [ 231.180863] ? __do_page_cache_readahead+0x663/0x810 [ 231.185965] ? find_held_lock+0x36/0x1c0 [ 231.190026] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 231.195561] alloc_pages_current+0x173/0x350 [ 231.199968] __page_cache_alloc+0x38c/0x5c0 [ 231.204285] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 231.209212] ? kasan_check_read+0x11/0x20 [ 231.213352] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 231.218623] ? generic_perform_write+0x6a0/0x6a0 [ 231.223382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.228919] ? check_preemption_disabled+0x48/0x280 [ 231.233946] filemap_fault+0x1595/0x25f0 [ 231.238012] ? __lock_page_or_retry+0xa00/0xa00 [ 231.242681] ? mark_held_locks+0x130/0x130 [ 231.246985] ? filemap_map_pages+0xd6b/0x1a20 [ 231.251479] ? lock_downgrade+0x900/0x900 [ 231.255622] ? check_preemption_disabled+0x48/0x280 [ 231.260645] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 231.265570] ? kasan_check_read+0x11/0x20 [ 231.269715] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 231.274988] ? rcu_softirq_qs+0x20/0x20 [ 231.278983] ? filemap_map_pages+0xd92/0x1a20 [ 231.283478] ? print_usage_bug+0xc0/0xc0 [ 231.287543] ? find_get_entries_tag+0x1400/0x1400 [ 231.292379] ? __kasan_slab_free+0x102/0x150 [ 231.296781] ? kasan_slab_free+0xe/0x10 [ 231.300833] ? kmem_cache_free+0x83/0x290 [ 231.304973] ? __sigqueue_free.part.29+0x74/0x90 [ 231.309740] ? lock_acquire+0x1ed/0x520 [ 231.313707] ? ext4_filemap_fault+0x7a/0xad [ 231.318033] ? lock_release+0xa00/0xa00 [ 231.322001] ? perf_trace_sched_process_exec+0x860/0x860 [ 231.327449] ? print_usage_bug+0xc0/0xc0 [ 231.331506] ? print_usage_bug+0xc0/0xc0 [ 231.335570] ? down_read+0x8d/0x120 [ 231.339192] ? ext4_filemap_fault+0x7a/0xad [ 231.343514] ? __down_interruptible+0x700/0x700 [ 231.348186] ext4_filemap_fault+0x82/0xad [ 231.352332] __do_fault+0x100/0x6b0 [ 231.355959] ? pmd_devmap_trans_unstable+0x220/0x220 [ 231.361060] ? mark_held_locks+0x130/0x130 [ 231.365302] ? mark_held_locks+0x130/0x130 [ 231.369534] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 231.375067] ? rcu_pm_notify+0xc0/0xc0 [ 231.378964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.384501] __handle_mm_fault+0x3ea0/0x5be0 [ 231.388914] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 231.393752] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.398243] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 231.402822] ? trace_hardirqs_on+0xbd/0x310 [ 231.407142] ? kasan_check_read+0x11/0x20 [ 231.411286] ? __set_current_blocked+0xdf/0x120 [ 231.415956] ? trace_hardirqs_off_caller+0x310/0x310 [ 231.421062] ? zap_class+0x640/0x640 [ 231.424775] ? zap_class+0x640/0x640 [ 231.428493] ? find_held_lock+0x36/0x1c0 [ 231.432556] ? handle_mm_fault+0x42a/0xc70 [ 231.436790] ? lock_downgrade+0x900/0x900 [ 231.440936] ? check_preemption_disabled+0x48/0x280 [ 231.445960] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 231.450882] ? kasan_check_read+0x11/0x20 [ 231.455021] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 231.460294] ? rcu_softirq_qs+0x20/0x20 [ 231.464272] ? trace_hardirqs_off_caller+0x310/0x310 [ 231.469371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.474904] ? check_preemption_disabled+0x48/0x280 [ 231.479921] handle_mm_fault+0x54f/0xc70 [ 231.484072] ? __handle_mm_fault+0x5be0/0x5be0 [ 231.488660] ? find_vma+0x34/0x190 [ 231.492202] __do_page_fault+0x5e8/0xe60 [ 231.496265] ? exit_to_usermode_loop+0x1f4/0x380 [ 231.501032] do_page_fault+0xf2/0x7e0 [ 231.504840] ? vmalloc_sync_all+0x30/0x30 [ 231.508982] ? error_entry+0x70/0xd0 [ 231.512691] ? trace_hardirqs_off_caller+0xbb/0x310 [ 231.517704] ? trace_hardirqs_on_caller+0xc0/0x310 [ 231.522631] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.527553] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.532390] ? trace_hardirqs_on_caller+0x310/0x310 [ 231.537408] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.542858] ? prepare_exit_to_usermode+0x291/0x3b0 [ 231.547872] ? page_fault+0x8/0x30 [ 231.551410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.556252] ? page_fault+0x8/0x30 [ 231.559789] page_fault+0x1e/0x30 [ 231.563249] RIP: 0033:0x45db60 [ 231.566448] Code: Bad RIP value. [ 231.569804] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 231.575157] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 231.582419] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 231.589683] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 231.596944] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 231.604204] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 231.611491] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 231.611548] aoe: skb alloc failure [ 231.618238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.618243] Call Trace: [ 231.618260] dump_stack+0x244/0x39d [ 231.618279] ? dump_stack_print_info.cold.1+0x20/0x20 [ 231.621840] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.631149] warn_alloc.cold.116+0xb7/0x1bd [ 231.633698] syz-fuzzer cpuset=/ mems_allowed=0 [ 231.637312] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.666644] ? lock_downgrade+0x900/0x900 [ 231.670799] ? trace_hardirqs_off+0xb8/0x310 [ 231.675207] ? trace_hardirqs_off+0xb8/0x310 [ 231.679622] __alloc_pages_slowpath+0x26e8/0x2e10 [ 231.684484] ? warn_alloc+0x120/0x120 [ 231.688287] ? print_usage_bug+0xc0/0xc0 [ 231.692349] ? warn_alloc+0x120/0x120 [ 231.696149] ? warn_alloc+0x120/0x120 [ 231.699944] ? print_usage_bug+0xc0/0xc0 [ 231.704003] ? print_usage_bug+0xc0/0xc0 [ 231.708087] ? __lock_acquire+0x62f/0x4c20 [ 231.712326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.717858] ? should_fail+0x22d/0xd01 [ 231.721742] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.726839] ? __lock_acquire+0x62f/0x4c20 [ 231.731081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.736180] ? __lock_acquire+0x62f/0x4c20 [ 231.740410] ? should_fail+0x22d/0xd01 [ 231.744291] ? find_held_lock+0x36/0x1c0 [ 231.748528] ? mark_held_locks+0x130/0x130 [ 231.752777] ? mark_held_locks+0x130/0x130 [ 231.757014] ? zap_class+0x640/0x640 [ 231.760728] ? zap_class+0x640/0x640 [ 231.764441] ? print_usage_bug+0xc0/0xc0 [ 231.768495] ? do_raw_spin_unlock+0xa7/0x330 [ 231.772895] ? zap_class+0x640/0x640 [ 231.776606] ? print_usage_bug+0xc0/0xc0 [ 231.780660] ? wq_watchdog_touch+0x9c/0xfe [ 231.784897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.790432] ? check_preemption_disabled+0x48/0x280 [ 231.795452] ? __lock_is_held+0xb5/0x140 [ 231.799515] __alloc_pages_nodemask+0xa80/0xde0 [ 231.805029] ? zap_class+0x640/0x640 [ 231.809107] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 231.814139] ? find_held_lock+0x36/0x1c0 [ 231.818203] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.822868] ? lock_downgrade+0x900/0x900 [ 231.827026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.832567] cache_grow_begin+0xa5/0x8c0 [ 231.836626] ? do_raw_spin_unlock+0xa7/0x330 [ 231.841041] fallback_alloc+0x204/0x2e0 [ 231.845025] ____cache_alloc_node+0x1c7/0x1e0 [ 231.849539] kmem_cache_alloc_node+0xe3/0x730 [ 231.854032] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.858278] __alloc_skb+0x119/0x770 [ 231.861989] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 231.867263] ? netdev_alloc_frag+0x1f0/0x1f0 [ 231.871665] ? lock_downgrade+0x900/0x900 [ 231.875814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.881344] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.886794] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.892240] ? addrconf_rs_timer+0x690/0x690 [ 231.896660] ndisc_alloc_skb+0x144/0x340 [ 231.900721] ndisc_send_rs+0x331/0x6e0 [ 231.904608] addrconf_rs_timer+0x314/0x690 [ 231.908840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.913083] call_timer_fn+0x272/0x920 [ 231.916967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.921196] ? process_timeout+0x40/0x40 [ 231.925258] ? __run_timers+0x7da/0xc70 [ 231.929239] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.933730] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.938221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.942450] ? lockdep_hardirqs_on+0x296/0x5b0 [ 231.947028] ? trace_hardirqs_on+0xbd/0x310 [ 231.951349] ? kasan_check_read+0x11/0x20 [ 231.955488] ? __run_timers+0x7da/0xc70 [ 231.959456] ? trace_hardirqs_off_caller+0x310/0x310 [ 231.964555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.968791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.973020] __run_timers+0x7e5/0xc70 [ 231.976832] ? timer_fixup_init+0x70/0x70 [ 231.982018] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.986512] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.991003] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 231.995587] ? trace_hardirqs_on+0xbd/0x310 [ 231.999904] ? kasan_check_read+0x11/0x20 [ 232.004056] ? finish_task_switch+0x1f4/0x910 [ 232.008550] ? trace_hardirqs_off_caller+0x310/0x310 [ 232.013650] ? compat_start_thread+0x80/0x80 [ 232.018083] ? pvclock_read_flags+0x160/0x160 [ 232.022573] ? __switch_to_asm+0x34/0x70 [ 232.026630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.032165] ? check_preemption_disabled+0x48/0x280 [ 232.037187] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 232.042719] ? rcu_pm_notify+0xc0/0xc0 [ 232.046601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.052135] ? check_preemption_disabled+0x48/0x280 [ 232.057238] run_timer_softirq+0x52/0xb0 [ 232.061296] ? rcu_read_lock_sched_held+0x14f/0x180 [ 232.066317] __do_softirq+0x308/0xb7e [ 232.070120] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 232.075222] ? smpboot_thread_fn+0x334/0xa00 [ 232.079628] ? schedule+0x108/0x460 [ 232.083250] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 232.088011] ? trace_hardirqs_off+0xb8/0x310 [ 232.092426] ? smpboot_thread_fn+0x68b/0xa00 [ 232.096828] ? trace_hardirqs_on+0x310/0x310 [ 232.101491] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.107021] ? check_preemption_disabled+0x48/0x280 [ 232.112048] ? takeover_tasklets+0xa90/0xa90 [ 232.116453] run_ksoftirqd+0x5e/0x100 [ 232.120249] smpboot_thread_fn+0x68b/0xa00 [ 232.124482] ? sort_range+0x30/0x30 [ 232.128106] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.133213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.138745] ? __kthread_parkme+0xfb/0x1a0 [ 232.142974] ? sort_range+0x30/0x30 [ 232.146596] kthread+0x35a/0x440 [ 232.149955] ? kthread_stop+0x900/0x900 [ 232.153937] ret_from_fork+0x3a/0x50 [ 232.157666] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 232.157670] warn_alloc_show_mem: 1 callbacks suppressed [ 232.157676] Mem-Info: [ 232.164590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.169950] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 232.169950] active_file:12 inactive_file:11 isolated_file:0 [ 232.169950] unevictable:0 dirty:0 writeback:0 unstable:0 [ 232.169950] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 232.169950] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 232.169950] free:13782 free_pcp:358 free_cma:0 [ 232.172320] Call Trace: [ 232.181692] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 232.214531] [ 232.217113] 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 [ 232.244606] dump_stack+0x244/0x39d [ 232.246725] lowmem_reserve[]: 0 2818 6321 6321 [ 232.272826] ? dump_stack_print_info.cold.1+0x20/0x20 [ 232.276424] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 232.281004] warn_alloc.cold.116+0xb7/0x1bd [ 232.286153] lowmem_reserve[]: 0 0 3503 3503 [ 232.313819] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.318110] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 232.322421] ? lock_downgrade+0x900/0x900 [ 232.327230] lowmem_reserve[]: 0 0 0 0 [ 232.356194] ? trace_hardirqs_off+0xb8/0x310 [ 232.360316] 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 [ 232.364108] ? trace_hardirqs_off+0xb8/0x310 [ 232.368480] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 232.382005] __alloc_pages_slowpath+0x26e8/0x2e10 [ 232.386384] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 232.401574] ? warn_alloc+0x120/0x120 [ 232.406371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 232.421265] ? warn_alloc+0x120/0x120 [ 232.425040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 232.433859] ? warn_alloc+0x120/0x120 [ 232.437631] 266 total pagecache pages [ 232.446366] ? print_usage_bug+0xc0/0xc0 [ 232.450141] 0 pages in swap cache [ 232.453924] ? print_usage_bug+0xc0/0xc0 [ 232.457956] Swap cache stats: add 0, delete 0, find 0/0 [ 232.461393] ? ktime_get+0x2c1/0x400 [ 232.465812] Free swap = 0kB [ 232.471167] ? check_preemption_disabled+0x48/0x280 [ 232.474848] Total swap = 0kB [ 232.477850] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 232.482836] 1965979 pages RAM [ 232.485843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.490309] 0 pages HighMem/MovableOnly [ 232.493402] ? should_fail+0x22d/0xd01 [ 232.498902] 342854 pages reserved [ 232.498909] 0 pages cma reserved [ 232.502879] ? kasan_check_read+0x11/0x20 [ 232.506809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.510175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.513604] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.517669] ? __lock_acquire+0x62f/0x4c20 [ 232.524128] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 232.529222] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.553457] ? should_fail+0x22d/0xd01 [ 232.557342] ? print_usage_bug+0xc0/0xc0 [ 232.561410] ? mark_held_locks+0x130/0x130 [ 232.565646] ? mark_held_locks+0x130/0x130 [ 232.569877] ? check_preemption_disabled+0x48/0x280 [ 232.574894] ? zap_class+0x640/0x640 [ 232.578604] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 232.583356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.588892] ? check_preemption_disabled+0x48/0x280 [ 232.593919] ? __lock_is_held+0xb5/0x140 [ 232.597978] __alloc_pages_nodemask+0xa80/0xde0 [ 232.602651] ? zap_class+0x640/0x640 [ 232.606363] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 232.611382] ? find_held_lock+0x36/0x1c0 [ 232.615446] ? ____cache_alloc_node+0x1c7/0x1e0 [ 232.620114] ? lock_downgrade+0x900/0x900 [ 232.624263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.629798] cache_grow_begin+0xa5/0x8c0 [ 232.633857] ? do_raw_spin_unlock+0xa7/0x330 [ 232.638265] fallback_alloc+0x204/0x2e0 [ 232.642239] ____cache_alloc_node+0x1c7/0x1e0 [ 232.646738] kmem_cache_alloc_node+0xe3/0x730 [ 232.651224] ? __kmalloc_node_track_caller+0x50/0x70 [ 232.656324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.661860] __alloc_skb+0x119/0x770 [ 232.665569] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 232.670933] ? netdev_alloc_frag+0x1f0/0x1f0 [ 232.675343] ? vprintk_default+0x28/0x30 [ 232.679397] ? vprintk_func+0x85/0x181 [ 232.683278] ? printk+0xa7/0xcf [ 232.686552] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 232.691307] ? trace_hardirqs_off+0xb8/0x310 [ 232.695717] new_skb+0x26/0x1c0 [ 232.698998] aoecmd_cfg+0x279/0x7f0 [ 232.702626] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 232.706947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.712491] ? __lock_is_held+0xb5/0x140 [ 232.716562] discover_timer+0x50/0x60 [ 232.720356] call_timer_fn+0x272/0x920 [ 232.724241] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 232.729079] ? process_timeout+0x40/0x40 [ 232.733144] ? mark_held_locks+0xc7/0x130 [ 232.737286] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.741774] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.746260] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 232.751099] ? lockdep_hardirqs_on+0x296/0x5b0 [ 232.755676] ? trace_hardirqs_on+0xbd/0x310 [ 232.759999] ? kasan_check_read+0x11/0x20 [ 232.764142] ? __run_timers+0x7da/0xc70 [ 232.768116] ? trace_hardirqs_off_caller+0x310/0x310 [ 232.773223] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 232.778057] __run_timers+0x7e5/0xc70 [ 232.781860] ? timer_fixup_init+0x70/0x70 [ 232.786017] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.791030] ? zap_class+0x640/0x640 [ 232.794746] ? print_usage_bug+0xc0/0xc0 [ 232.798802] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.804002] ? find_held_lock+0x36/0x1c0 [ 232.808079] ? zap_class+0x640/0x640 [ 232.811811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.817343] ? check_preemption_disabled+0x48/0x280 [ 232.822362] ? __lock_is_held+0xb5/0x140 [ 232.826419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.831951] ? check_preemption_disabled+0x48/0x280 [ 232.836980] run_timer_softirq+0x52/0xb0 [ 232.841037] ? rcu_read_lock_sched_held+0x14f/0x180 [ 232.846047] __do_softirq+0x308/0xb7e [ 232.849848] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 232.854341] ? lock_downgrade+0x900/0x900 [ 232.858488] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 232.863597] ? pvclock_read_flags+0x160/0x160 [ 232.868089] ? lapic_next_event+0x5a/0x90 [ 232.872235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.877815] ? kvm_clock_read+0x18/0x30 [ 232.881783] ? kvm_sched_clock_read+0x9/0x20 [ 232.886193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.891724] ? check_preemption_disabled+0x48/0x280 [ 232.896742] irq_exit+0x17f/0x1c0 [ 232.900280] smp_apic_timer_interrupt+0x1cb/0x760 [ 232.905117] ? smp_reschedule_interrupt+0x109/0x650 [ 232.910131] ? smp_call_function_single_interrupt+0x650/0x650 [ 232.916008] ? interrupt_entry+0xb5/0xc0 [ 232.920066] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.925080] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.930094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.934932] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.939949] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.944974] ? task_prio+0x50/0x50 [ 232.948517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.954048] ? check_preemption_disabled+0x48/0x280 [ 232.959064] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.963910] apic_timer_interrupt+0xf/0x20 [ 232.968134] [ 232.970373] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 232.975388] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 232.994281] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 233.001986] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 233.009253] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 233.016513] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 233.023775] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 233.031039] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 233.038327] rcu_read_lock_held+0xa9/0xc0 [ 233.042471] css_next_child+0x2a2/0x620 [ 233.046448] ? cgroup_mount+0xd30/0xd30 [ 233.050423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.055963] ? check_preemption_disabled+0x48/0x280 [ 233.061003] ? __lock_is_held+0xb5/0x140 [ 233.065078] css_next_descendant_pre+0xeb/0x190 [ 233.069844] mem_cgroup_iter+0x42f/0x1160 [ 233.073992] ? kasan_check_write+0x14/0x20 [ 233.078228] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 233.082985] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 233.088003] ? shrink_slab+0xfa/0x8c0 [ 233.091800] ? shrink_active_list+0x1f00/0x1f00 [ 233.096470] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 233.102093] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.107199] ? cgroup_procs_write_finish+0xf0/0xf0 [ 233.112129] ? find_held_lock+0x36/0x1c0 [ 233.116184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.121715] ? vmpressure+0x1a2/0x340 [ 233.125516] shrink_node+0x516/0x16b0 [ 233.129309] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 233.134603] ? shrink_node_memcg+0x18f0/0x18f0 [ 233.139186] ? kvm_clock_read+0x18/0x30 [ 233.143158] ? ktime_get+0x2c1/0x400 [ 233.146872] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 233.151369] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 233.157072] ? __cpuset_node_allowed+0x19b/0x660 [ 233.161823] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 233.167529] ? delayacct_end+0x5a/0x100 [ 233.171511] do_try_to_free_pages+0x3e7/0x1290 [ 233.176084] ? zap_class+0x640/0x640 [ 233.179810] ? shrink_node+0x16b0/0x16b0 [ 233.183866] ? __lock_is_held+0xb5/0x140 [ 233.187960] try_to_free_pages+0x4d0/0xb90 [ 233.192193] ? do_try_to_free_pages+0x1290/0x1290 [ 233.197044] ? lock_acquire+0x1ed/0x520 [ 233.201013] ? set_page_refcounted+0x280/0x280 [ 233.205596] ? lock_release+0xa00/0xa00 [ 233.209568] ? _raw_spin_unlock_irq+0x60/0x80 [ 233.214069] ? psi_memstall_enter+0x240/0x2b0 [ 233.218562] ? psi_memstall_tick+0x230/0x230 [ 233.222981] __alloc_pages_slowpath+0xa14/0x2e10 [ 233.227757] ? warn_alloc+0x120/0x120 [ 233.231550] ? mark_held_locks+0x130/0x130 [ 233.235784] ? find_get_entry+0xaae/0x1120 [ 233.240021] ? filemap_map_pages+0x1a20/0x1a20 [ 233.244603] ? zap_class+0x640/0x640 [ 233.248316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.253853] ? check_preemption_disabled+0x48/0x280 [ 233.258870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.264579] ? should_fail+0x22d/0xd01 [ 233.268464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.273570] ? zap_class+0x640/0x640 [ 233.277305] ? __lock_is_held+0xb5/0x140 [ 233.281373] ? mark_held_locks+0x130/0x130 [ 233.285606] ? lock_release+0xa00/0xa00 [ 233.289579] ? perf_trace_sched_process_exec+0x860/0x860 [ 233.295043] ? xa_load+0x2ba/0x460 [ 233.298579] ? lock_downgrade+0x900/0x900 [ 233.302729] ? __might_sleep+0x95/0x190 [ 233.306705] __alloc_pages_nodemask+0xa80/0xde0 [ 233.311375] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 233.316386] ? __page_cache_alloc+0x191/0x5c0 [ 233.320880] ? xa_load+0x2e1/0x460 [ 233.324417] ? xa_clear_mark+0x40/0x40 [ 233.328299] ? zap_class+0x640/0x640 [ 233.332015] ? zap_class+0x640/0x640 [ 233.335900] ? zap_class+0x640/0x640 [ 233.339615] ? __do_page_cache_readahead+0x663/0x810 [ 233.344718] ? find_held_lock+0x36/0x1c0 [ 233.348776] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 233.354314] alloc_pages_current+0x173/0x350 [ 233.358720] __page_cache_alloc+0x38c/0x5c0 [ 233.363035] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 233.367961] ? kasan_check_read+0x11/0x20 [ 233.372102] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 233.377373] ? generic_perform_write+0x6a0/0x6a0 [ 233.382129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.387660] ? check_preemption_disabled+0x48/0x280 [ 233.392676] filemap_fault+0x1595/0x25f0 [ 233.396746] ? __lock_page_or_retry+0xa00/0xa00 [ 233.401411] ? mark_held_locks+0x130/0x130 [ 233.405648] ? filemap_map_pages+0xd6b/0x1a20 [ 233.410142] ? lock_downgrade+0x900/0x900 [ 233.414291] ? check_preemption_disabled+0x48/0x280 [ 233.419304] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 233.424228] ? kasan_check_read+0x11/0x20 [ 233.428370] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 233.433639] ? rcu_softirq_qs+0x20/0x20 [ 233.437618] ? filemap_map_pages+0xd92/0x1a20 [ 233.442115] ? print_usage_bug+0xc0/0xc0 [ 233.446180] ? find_get_entries_tag+0x1400/0x1400 [ 233.451029] ? __kasan_slab_free+0x102/0x150 [ 233.455432] ? kasan_slab_free+0xe/0x10 [ 233.459413] ? kmem_cache_free+0x83/0x290 [ 233.463555] ? __sigqueue_free.part.29+0x74/0x90 [ 233.468324] ? lock_acquire+0x1ed/0x520 [ 233.472293] ? ext4_filemap_fault+0x7a/0xad [ 233.476614] ? lock_release+0xa00/0xa00 [ 233.480579] ? perf_trace_sched_process_exec+0x860/0x860 [ 233.486027] ? print_usage_bug+0xc0/0xc0 [ 233.490092] ? print_usage_bug+0xc0/0xc0 [ 233.494165] ? down_read+0x8d/0x120 [ 233.497785] ? ext4_filemap_fault+0x7a/0xad [ 233.502125] ? __down_interruptible+0x700/0x700 [ 233.506795] ext4_filemap_fault+0x82/0xad [ 233.510946] __do_fault+0x100/0x6b0 [ 233.514570] ? pmd_devmap_trans_unstable+0x220/0x220 [ 233.519756] ? mark_held_locks+0x130/0x130 [ 233.523989] ? mark_held_locks+0x130/0x130 [ 233.528220] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 233.533754] ? rcu_pm_notify+0xc0/0xc0 [ 233.537640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.543174] __handle_mm_fault+0x3ea0/0x5be0 [ 233.547588] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 233.552425] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.556930] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 233.561512] ? trace_hardirqs_on+0xbd/0x310 [ 233.565824] ? kasan_check_read+0x11/0x20 [ 233.569965] ? __set_current_blocked+0xdf/0x120 [ 233.574632] ? trace_hardirqs_off_caller+0x310/0x310 [ 233.579741] ? zap_class+0x640/0x640 [ 233.583457] ? zap_class+0x640/0x640 [ 233.587168] ? find_held_lock+0x36/0x1c0 [ 233.591231] ? handle_mm_fault+0x42a/0xc70 [ 233.595464] ? lock_downgrade+0x900/0x900 [ 233.599606] ? check_preemption_disabled+0x48/0x280 [ 233.604620] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 233.609541] ? kasan_check_read+0x11/0x20 [ 233.613681] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 233.618949] ? rcu_softirq_qs+0x20/0x20 [ 233.622924] ? trace_hardirqs_off_caller+0x310/0x310 [ 233.628028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.633651] ? check_preemption_disabled+0x48/0x280 [ 233.639007] handle_mm_fault+0x54f/0xc70 [ 233.643082] ? __handle_mm_fault+0x5be0/0x5be0 [ 233.647668] ? find_vma+0x34/0x190 [ 233.651206] __do_page_fault+0x5e8/0xe60 [ 233.655267] ? exit_to_usermode_loop+0x1f4/0x380 [ 233.660027] do_page_fault+0xf2/0x7e0 [ 233.663828] ? vmalloc_sync_all+0x30/0x30 [ 233.667969] ? error_entry+0x70/0xd0 [ 233.671679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.676687] ? trace_hardirqs_on_caller+0xc0/0x310 [ 233.681608] ? syscall_return_slowpath+0x5e0/0x5e0 [ 233.686541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.691378] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.696387] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.701839] ? prepare_exit_to_usermode+0x291/0x3b0 [ 233.706848] ? page_fault+0x8/0x30 [ 233.710390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.715231] ? page_fault+0x8/0x30 [ 233.718769] page_fault+0x1e/0x30 [ 233.722217] RIP: 0033:0x45db60 [ 233.725421] Code: Bad RIP value. [ 233.728784] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 233.734144] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 233.741410] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 233.748679] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 233.755939] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 233.763200] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 233.770487] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 233.770543] aoe: skb alloc failure [ 233.777232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.777237] Call Trace: [ 233.777254] dump_stack+0x244/0x39d [ 233.777274] ? dump_stack_print_info.cold.1+0x20/0x20 [ 233.781036] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 233.790134] warn_alloc.cold.116+0xb7/0x1bd [ 233.792683] syz-fuzzer cpuset=/ mems_allowed=0 [ 233.796299] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.825770] ? lock_downgrade+0x900/0x900 [ 233.829936] ? trace_hardirqs_off+0xb8/0x310 [ 233.834343] ? trace_hardirqs_off+0xb8/0x310 [ 233.838759] __alloc_pages_slowpath+0x26e8/0x2e10 [ 233.843621] ? warn_alloc+0x120/0x120 [ 233.847418] ? print_usage_bug+0xc0/0xc0 [ 233.851491] ? warn_alloc+0x120/0x120 [ 233.855289] ? warn_alloc+0x120/0x120 [ 233.859088] ? print_usage_bug+0xc0/0xc0 [ 233.863153] ? print_usage_bug+0xc0/0xc0 [ 233.867211] ? __lock_acquire+0x62f/0x4c20 [ 233.871447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.876985] ? should_fail+0x22d/0xd01 [ 233.880869] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.885973] ? __lock_acquire+0x62f/0x4c20 [ 233.890209] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.895305] ? __lock_acquire+0x62f/0x4c20 [ 233.899533] ? should_fail+0x22d/0xd01 [ 233.903428] ? find_held_lock+0x36/0x1c0 [ 233.907492] ? mark_held_locks+0x130/0x130 [ 233.911724] ? mark_held_locks+0x130/0x130 [ 233.915954] ? zap_class+0x640/0x640 [ 233.919667] ? mark_held_locks+0xc7/0x130 [ 233.923807] ? do_raw_spin_unlock+0xa7/0x330 [ 233.928208] ? zap_class+0x640/0x640 [ 233.931921] ? print_usage_bug+0xc0/0xc0 [ 233.935982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.941533] ? check_preemption_disabled+0x48/0x280 [ 233.946570] ? __lock_is_held+0xb5/0x140 [ 233.950630] __alloc_pages_nodemask+0xa80/0xde0 [ 233.955291] ? zap_class+0x640/0x640 [ 233.959004] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 233.964024] ? find_held_lock+0x36/0x1c0 [ 233.968090] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.972766] ? lock_downgrade+0x900/0x900 [ 233.976920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.982455] cache_grow_begin+0xa5/0x8c0 [ 233.986508] ? do_raw_spin_unlock+0xa7/0x330 [ 233.990920] fallback_alloc+0x204/0x2e0 [ 233.994900] ____cache_alloc_node+0x1c7/0x1e0 [ 233.999399] kmem_cache_alloc_node+0xe3/0x730 [ 234.003900] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.008144] __alloc_skb+0x119/0x770 [ 234.011854] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 234.017138] ? netdev_alloc_frag+0x1f0/0x1f0 [ 234.021541] ? lock_downgrade+0x900/0x900 [ 234.025693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.031222] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.036673] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.042135] ? addrconf_rs_timer+0x690/0x690 [ 234.046547] ndisc_alloc_skb+0x144/0x340 [ 234.050606] ndisc_send_rs+0x331/0x6e0 [ 234.054491] addrconf_rs_timer+0x314/0x690 [ 234.058724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.062965] call_timer_fn+0x272/0x920 [ 234.066844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.071087] ? process_timeout+0x40/0x40 [ 234.075150] ? __run_timers+0x7da/0xc70 [ 234.079127] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.083618] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.088104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.092336] ? lockdep_hardirqs_on+0x296/0x5b0 [ 234.096919] ? trace_hardirqs_on+0xbd/0x310 [ 234.101236] ? kasan_check_read+0x11/0x20 [ 234.105380] ? __run_timers+0x7da/0xc70 [ 234.109349] ? trace_hardirqs_off_caller+0x310/0x310 [ 234.114450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.118691] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.122925] __run_timers+0x7e5/0xc70 [ 234.126732] ? timer_fixup_init+0x70/0x70 [ 234.130879] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.135384] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.139883] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 234.144466] ? trace_hardirqs_on+0xbd/0x310 [ 234.148781] ? kasan_check_read+0x11/0x20 [ 234.152924] ? finish_task_switch+0x1f4/0x910 [ 234.157418] ? trace_hardirqs_off_caller+0x310/0x310 [ 234.162518] ? compat_start_thread+0x80/0x80 [ 234.166940] ? pvclock_read_flags+0x160/0x160 [ 234.171427] ? __switch_to_asm+0x34/0x70 [ 234.175497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.181030] ? check_preemption_disabled+0x48/0x280 [ 234.186055] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 234.191590] ? rcu_pm_notify+0xc0/0xc0 [ 234.195472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.201007] ? check_preemption_disabled+0x48/0x280 [ 234.206021] run_timer_softirq+0x52/0xb0 [ 234.210078] ? rcu_read_lock_sched_held+0x14f/0x180 [ 234.215088] __do_softirq+0x308/0xb7e [ 234.218901] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 234.224002] ? smpboot_thread_fn+0x334/0xa00 [ 234.228417] ? schedule+0x108/0x460 [ 234.232043] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.236800] ? trace_hardirqs_off+0xb8/0x310 [ 234.241207] ? smpboot_thread_fn+0x68b/0xa00 [ 234.245612] ? trace_hardirqs_on+0x310/0x310 [ 234.250020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.255554] ? check_preemption_disabled+0x48/0x280 [ 234.260572] ? takeover_tasklets+0xa90/0xa90 [ 234.264982] run_ksoftirqd+0x5e/0x100 [ 234.268781] smpboot_thread_fn+0x68b/0xa00 [ 234.273028] ? sort_range+0x30/0x30 [ 234.276652] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.281750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.287288] ? __kthread_parkme+0xfb/0x1a0 [ 234.291526] ? sort_range+0x30/0x30 [ 234.295152] kthread+0x35a/0x440 [ 234.298516] ? kthread_stop+0x900/0x900 [ 234.302486] ret_from_fork+0x3a/0x50 [ 234.306220] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 234.306225] warn_alloc_show_mem: 1 callbacks suppressed [ 234.306231] Mem-Info: [ 234.313149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.318509] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 234.318509] active_file:12 inactive_file:11 isolated_file:0 [ 234.318509] unevictable:0 dirty:0 writeback:0 unstable:0 [ 234.318509] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 234.318509] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 234.318509] free:13782 free_pcp:358 free_cma:0 [ 234.320877] Call Trace: [ 234.330255] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 234.363269] [ 234.365834] 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 [ 234.393328] dump_stack+0x244/0x39d [ 234.395455] lowmem_reserve[]: 0 2818 6321 6321 [ 234.421559] ? dump_stack_print_info.cold.1+0x20/0x20 [ 234.425156] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 234.429741] warn_alloc.cold.116+0xb7/0x1bd [ 234.434889] lowmem_reserve[]: 0 0 3503 3503 [ 234.462561] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 234.466854] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 234.471169] ? lock_downgrade+0x900/0x900 [ 234.475981] lowmem_reserve[]: 0 0 0 0 [ 234.504949] ? trace_hardirqs_off+0xb8/0x310 [ 234.509094] 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 [ 234.512885] ? trace_hardirqs_off+0xb8/0x310 [ 234.517264] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 234.530779] __alloc_pages_slowpath+0x26e8/0x2e10 [ 234.535156] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 234.550340] ? warn_alloc+0x120/0x120 [ 234.555141] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 234.570057] ? warn_alloc+0x120/0x120 [ 234.573844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 234.582672] ? warn_alloc+0x120/0x120 [ 234.586448] 266 total pagecache pages [ 234.595017] ? print_usage_bug+0xc0/0xc0 [ 234.598791] 0 pages in swap cache [ 234.602576] ? zap_class+0x640/0x640 [ 234.606612] Swap cache stats: add 0, delete 0, find 0/0 [ 234.606619] Free swap = 0kB [ 234.610064] ? print_usage_bug+0xc0/0xc0 [ 234.613753] Total swap = 0kB [ 234.619108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.622095] 1965979 pages RAM [ 234.626144] ? should_fail+0x22d/0xd01 [ 234.629129] 0 pages HighMem/MovableOnly [ 234.629137] 342854 pages reserved [ 234.634661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.637733] 0 pages cma reserved [ 234.637801] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.641702] ? __lock_acquire+0x62f/0x4c20 [ 234.645738] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.649101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.654174] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 234.657532] ? __lock_acquire+0x62f/0x4c20 [ 234.692456] ? should_fail+0x22d/0xd01 [ 234.696347] ? mark_held_locks+0x130/0x130 [ 234.700590] ? mark_held_locks+0x130/0x130 [ 234.704827] ? try_to_wake_up+0x11c/0x1490 [ 234.709060] ? lock_downgrade+0x900/0x900 [ 234.713210] ? zap_class+0x640/0x640 [ 234.716924] ? print_usage_bug+0xc0/0xc0 [ 234.720978] ? trace_hardirqs_off+0xb8/0x310 [ 234.725384] ? kasan_check_read+0x11/0x20 [ 234.729529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.735063] ? check_preemption_disabled+0x48/0x280 [ 234.740084] ? __lock_is_held+0xb5/0x140 [ 234.744161] __alloc_pages_nodemask+0xa80/0xde0 [ 234.748830] ? zap_class+0x640/0x640 [ 234.752542] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 234.757562] ? find_held_lock+0x36/0x1c0 [ 234.761626] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.766291] ? lock_downgrade+0x900/0x900 [ 234.770438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.775974] cache_grow_begin+0xa5/0x8c0 [ 234.780029] ? do_raw_spin_unlock+0xa7/0x330 [ 234.784442] fallback_alloc+0x204/0x2e0 [ 234.788421] ____cache_alloc_node+0x1c7/0x1e0 [ 234.792917] kmem_cache_alloc_node+0xe3/0x730 [ 234.797491] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.801728] __alloc_skb+0x119/0x770 [ 234.805435] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 234.810711] ? netdev_alloc_frag+0x1f0/0x1f0 [ 234.815113] ? lock_downgrade+0x900/0x900 [ 234.819262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.824794] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.830249] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.835696] ? addrconf_rs_timer+0x690/0x690 [ 234.840114] ndisc_alloc_skb+0x144/0x340 [ 234.844172] ndisc_send_rs+0x331/0x6e0 [ 234.848062] addrconf_rs_timer+0x314/0x690 [ 234.852299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.856540] call_timer_fn+0x272/0x920 [ 234.860509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.864741] ? process_timeout+0x40/0x40 [ 234.868814] ? mark_held_locks+0xc7/0x130 [ 234.872963] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.877453] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.881940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.886167] ? lockdep_hardirqs_on+0x296/0x5b0 [ 234.890747] ? trace_hardirqs_on+0xbd/0x310 [ 234.895063] ? kasan_check_read+0x11/0x20 [ 234.899207] ? __run_timers+0x7da/0xc70 [ 234.903180] ? trace_hardirqs_off_caller+0x310/0x310 [ 234.908288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.912521] __run_timers+0x7e5/0xc70 [ 234.916324] ? timer_fixup_init+0x70/0x70 [ 234.920473] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.925484] ? zap_class+0x640/0x640 [ 234.929200] ? print_usage_bug+0xc0/0xc0 [ 234.933258] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.938455] ? find_held_lock+0x36/0x1c0 [ 234.942525] ? zap_class+0x640/0x640 [ 234.946239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.951769] ? check_preemption_disabled+0x48/0x280 [ 234.956802] ? __lock_is_held+0xb5/0x140 [ 234.960859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.966393] ? check_preemption_disabled+0x48/0x280 [ 234.971408] run_timer_softirq+0x52/0xb0 [ 234.975468] ? rcu_read_lock_sched_held+0x14f/0x180 [ 234.980484] __do_softirq+0x308/0xb7e [ 234.984282] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 234.988775] ? lock_downgrade+0x900/0x900 [ 234.992926] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 234.998117] ? pvclock_read_flags+0x160/0x160 [ 235.002619] ? lapic_next_event+0x5a/0x90 [ 235.006768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.012400] ? kvm_clock_read+0x18/0x30 [ 235.016371] ? kvm_sched_clock_read+0x9/0x20 [ 235.020778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.026325] ? check_preemption_disabled+0x48/0x280 [ 235.031348] irq_exit+0x17f/0x1c0 [ 235.034807] smp_apic_timer_interrupt+0x1cb/0x760 [ 235.039647] ? smp_reschedule_interrupt+0x109/0x650 [ 235.044661] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.050537] ? interrupt_entry+0xb5/0xc0 [ 235.054597] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.059610] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.064621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.069458] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.074468] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.079478] ? task_prio+0x50/0x50 [ 235.083013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.088544] ? check_preemption_disabled+0x48/0x280 [ 235.093563] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.098409] apic_timer_interrupt+0xf/0x20 [ 235.102630] [ 235.104863] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 235.109877] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 235.128863] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 235.136566] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 235.143831] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 235.151094] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 235.158359] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 235.165619] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 235.172913] rcu_read_lock_held+0xa9/0xc0 [ 235.177055] css_next_child+0x2a2/0x620 [ 235.181028] ? cgroup_mount+0xd30/0xd30 [ 235.185001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.190534] ? check_preemption_disabled+0x48/0x280 [ 235.195555] ? __lock_is_held+0xb5/0x140 [ 235.199621] css_next_descendant_pre+0xeb/0x190 [ 235.204290] mem_cgroup_iter+0x42f/0x1160 [ 235.208438] ? kasan_check_write+0x14/0x20 [ 235.212677] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 235.217426] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.222442] ? shrink_slab+0xfa/0x8c0 [ 235.226236] ? shrink_active_list+0x1f00/0x1f00 [ 235.230905] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 235.236542] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.241923] ? cgroup_procs_write_finish+0xf0/0xf0 [ 235.246857] ? find_held_lock+0x36/0x1c0 [ 235.250919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.256453] ? vmpressure+0x1a2/0x340 [ 235.260255] shrink_node+0x516/0x16b0 [ 235.264050] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 235.269345] ? shrink_node_memcg+0x18f0/0x18f0 [ 235.273929] ? kvm_clock_read+0x18/0x30 [ 235.277907] ? ktime_get+0x2c1/0x400 [ 235.281621] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 235.286118] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 235.291652] ? __cpuset_node_allowed+0x19b/0x660 [ 235.296405] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 235.302112] ? delayacct_end+0x5a/0x100 [ 235.306088] do_try_to_free_pages+0x3e7/0x1290 [ 235.310667] ? zap_class+0x640/0x640 [ 235.314399] ? shrink_node+0x16b0/0x16b0 [ 235.318459] ? __lock_is_held+0xb5/0x140 [ 235.322530] try_to_free_pages+0x4d0/0xb90 [ 235.326774] ? do_try_to_free_pages+0x1290/0x1290 [ 235.331975] ? lock_acquire+0x1ed/0x520 [ 235.335946] ? set_page_refcounted+0x280/0x280 [ 235.340527] ? lock_release+0xa00/0xa00 [ 235.344498] ? _raw_spin_unlock_irq+0x60/0x80 [ 235.348987] ? psi_memstall_enter+0x240/0x2b0 [ 235.353480] ? psi_memstall_tick+0x230/0x230 [ 235.357896] __alloc_pages_slowpath+0xa14/0x2e10 [ 235.362670] ? warn_alloc+0x120/0x120 [ 235.366465] ? mark_held_locks+0x130/0x130 [ 235.370712] ? find_get_entry+0xaae/0x1120 [ 235.374952] ? filemap_map_pages+0x1a20/0x1a20 [ 235.379531] ? zap_class+0x640/0x640 [ 235.383255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.388793] ? check_preemption_disabled+0x48/0x280 [ 235.393803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.399335] ? should_fail+0x22d/0xd01 [ 235.403224] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.408327] ? zap_class+0x640/0x640 [ 235.412058] ? __lock_is_held+0xb5/0x140 [ 235.416120] ? mark_held_locks+0x130/0x130 [ 235.420353] ? lock_release+0xa00/0xa00 [ 235.424326] ? perf_trace_sched_process_exec+0x860/0x860 [ 235.429775] ? xa_load+0x2ba/0x460 [ 235.433312] ? lock_downgrade+0x900/0x900 [ 235.437462] ? __might_sleep+0x95/0x190 [ 235.441438] __alloc_pages_nodemask+0xa80/0xde0 [ 235.446109] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 235.451122] ? __page_cache_alloc+0x191/0x5c0 [ 235.455616] ? xa_load+0x2e1/0x460 [ 235.459153] ? xa_clear_mark+0x40/0x40 [ 235.463036] ? zap_class+0x640/0x640 [ 235.466761] ? zap_class+0x640/0x640 [ 235.470473] ? zap_class+0x640/0x640 [ 235.474195] ? __do_page_cache_readahead+0x663/0x810 [ 235.479303] ? find_held_lock+0x36/0x1c0 [ 235.483364] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 235.488902] alloc_pages_current+0x173/0x350 [ 235.493316] __page_cache_alloc+0x38c/0x5c0 [ 235.497633] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 235.502560] ? kasan_check_read+0x11/0x20 [ 235.506704] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 235.511980] ? generic_perform_write+0x6a0/0x6a0 [ 235.516740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.522290] ? check_preemption_disabled+0x48/0x280 [ 235.527316] filemap_fault+0x1595/0x25f0 [ 235.531385] ? __lock_page_or_retry+0xa00/0xa00 [ 235.536058] ? mark_held_locks+0x130/0x130 [ 235.540306] ? filemap_map_pages+0xd6b/0x1a20 [ 235.544802] ? lock_downgrade+0x900/0x900 [ 235.548950] ? check_preemption_disabled+0x48/0x280 [ 235.553965] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 235.558895] ? kasan_check_read+0x11/0x20 [ 235.563039] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 235.568315] ? rcu_softirq_qs+0x20/0x20 [ 235.572305] ? filemap_map_pages+0xd92/0x1a20 [ 235.576803] ? print_usage_bug+0xc0/0xc0 [ 235.580867] ? find_get_entries_tag+0x1400/0x1400 [ 235.585709] ? __kasan_slab_free+0x102/0x150 [ 235.590123] ? kasan_slab_free+0xe/0x10 [ 235.594096] ? kmem_cache_free+0x83/0x290 [ 235.598240] ? __sigqueue_free.part.29+0x74/0x90 [ 235.603012] ? lock_acquire+0x1ed/0x520 [ 235.606991] ? ext4_filemap_fault+0x7a/0xad [ 235.611315] ? lock_release+0xa00/0xa00 [ 235.615302] ? perf_trace_sched_process_exec+0x860/0x860 [ 235.620763] ? print_usage_bug+0xc0/0xc0 [ 235.624822] ? print_usage_bug+0xc0/0xc0 [ 235.628891] ? down_read+0x8d/0x120 [ 235.632512] ? ext4_filemap_fault+0x7a/0xad [ 235.636835] ? __down_interruptible+0x700/0x700 [ 235.641817] ext4_filemap_fault+0x82/0xad [ 235.645964] __do_fault+0x100/0x6b0 [ 235.649594] ? pmd_devmap_trans_unstable+0x220/0x220 [ 235.654697] ? mark_held_locks+0x130/0x130 [ 235.658928] ? mark_held_locks+0x130/0x130 [ 235.663165] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 235.668702] ? rcu_pm_notify+0xc0/0xc0 [ 235.672603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.678147] __handle_mm_fault+0x3ea0/0x5be0 [ 235.682560] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 235.687398] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.691891] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 235.696472] ? trace_hardirqs_on+0xbd/0x310 [ 235.700789] ? kasan_check_read+0x11/0x20 [ 235.704936] ? __set_current_blocked+0xdf/0x120 [ 235.709606] ? trace_hardirqs_off_caller+0x310/0x310 [ 235.714719] ? zap_class+0x640/0x640 [ 235.718436] ? zap_class+0x640/0x640 [ 235.722159] ? find_held_lock+0x36/0x1c0 [ 235.726223] ? handle_mm_fault+0x42a/0xc70 [ 235.730459] ? lock_downgrade+0x900/0x900 [ 235.734609] ? check_preemption_disabled+0x48/0x280 [ 235.739629] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 235.744561] ? kasan_check_read+0x11/0x20 [ 235.748708] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 235.753994] ? rcu_softirq_qs+0x20/0x20 [ 235.757971] ? trace_hardirqs_off_caller+0x310/0x310 [ 235.763076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.768610] ? check_preemption_disabled+0x48/0x280 [ 235.773633] handle_mm_fault+0x54f/0xc70 [ 235.777782] ? __handle_mm_fault+0x5be0/0x5be0 [ 235.782368] ? find_vma+0x34/0x190 [ 235.785920] __do_page_fault+0x5e8/0xe60 [ 235.789985] ? exit_to_usermode_loop+0x1f4/0x380 [ 235.794764] do_page_fault+0xf2/0x7e0 [ 235.798586] ? vmalloc_sync_all+0x30/0x30 [ 235.802737] ? error_entry+0x70/0xd0 [ 235.806998] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.812014] ? trace_hardirqs_on_caller+0xc0/0x310 [ 235.816940] ? syscall_return_slowpath+0x5e0/0x5e0 [ 235.821868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.826709] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.831733] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.837187] ? prepare_exit_to_usermode+0x291/0x3b0 [ 235.842204] ? page_fault+0x8/0x30 [ 235.845752] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.850592] ? page_fault+0x8/0x30 [ 235.854129] page_fault+0x1e/0x30 [ 235.857580] RIP: 0033:0x45db60 [ 235.860779] Code: Bad RIP value. [ 235.864138] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 235.869497] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 235.876759] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 235.884023] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 235.891303] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 235.898566] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 235.905857] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 235.905918] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.912604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.912609] Call Trace: [ 235.912627] dump_stack+0x244/0x39d [ 235.912646] ? dump_stack_print_info.cold.1+0x20/0x20 [ 235.919175] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 235.928473] warn_alloc.cold.116+0xb7/0x1bd [ 235.931023] syz-fuzzer cpuset=/ mems_allowed=0 [ 235.934638] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.963794] ? lock_downgrade+0x900/0x900 [ 235.967945] ? trace_hardirqs_off+0xb8/0x310 [ 235.972371] ? trace_hardirqs_off+0xb8/0x310 [ 235.976784] __alloc_pages_slowpath+0x26e8/0x2e10 [ 235.981646] ? warn_alloc+0x120/0x120 [ 235.985445] ? print_usage_bug+0xc0/0xc0 [ 235.989500] ? warn_alloc+0x120/0x120 [ 235.993301] ? warn_alloc+0x120/0x120 [ 235.997110] ? print_usage_bug+0xc0/0xc0 [ 236.001171] ? print_usage_bug+0xc0/0xc0 [ 236.005240] ? __lock_acquire+0x62f/0x4c20 [ 236.009474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.015010] ? should_fail+0x22d/0xd01 [ 236.018983] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.024082] ? __lock_acquire+0x62f/0x4c20 [ 236.028314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.033413] ? __lock_acquire+0x62f/0x4c20 [ 236.037644] ? should_fail+0x22d/0xd01 [ 236.041543] ? mark_held_locks+0x130/0x130 [ 236.045776] ? mark_held_locks+0x130/0x130 [ 236.050003] ? zap_class+0x640/0x640 [ 236.053725] ? zap_class+0x640/0x640 [ 236.057439] ? print_usage_bug+0xc0/0xc0 [ 236.061493] ? mark_held_locks+0x130/0x130 [ 236.065736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.071272] ? check_preemption_disabled+0x48/0x280 [ 236.076291] ? __lock_is_held+0xb5/0x140 [ 236.080443] __alloc_pages_nodemask+0xa80/0xde0 [ 236.085107] ? zap_class+0x640/0x640 [ 236.088824] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 236.093848] ? find_held_lock+0x36/0x1c0 [ 236.097918] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.102605] ? lock_downgrade+0x900/0x900 [ 236.106758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.112302] cache_grow_begin+0xa5/0x8c0 [ 236.116360] ? do_raw_spin_unlock+0xa7/0x330 [ 236.120772] fallback_alloc+0x204/0x2e0 [ 236.124752] ____cache_alloc_node+0x1c7/0x1e0 [ 236.129252] kmem_cache_alloc_node+0xe3/0x730 [ 236.133751] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.137992] __alloc_skb+0x119/0x770 [ 236.141710] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 236.146989] ? netdev_alloc_frag+0x1f0/0x1f0 [ 236.151398] ? lock_downgrade+0x900/0x900 [ 236.155548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.161084] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.166531] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.171976] ? addrconf_rs_timer+0x690/0x690 [ 236.176389] ndisc_alloc_skb+0x144/0x340 [ 236.180449] ndisc_send_rs+0x331/0x6e0 [ 236.184336] addrconf_rs_timer+0x314/0x690 [ 236.188576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.192850] call_timer_fn+0x272/0x920 [ 236.196749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.200977] ? process_timeout+0x40/0x40 [ 236.205052] ? __run_timers+0x7da/0xc70 [ 236.209028] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.213522] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.218011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.222244] ? lockdep_hardirqs_on+0x296/0x5b0 [ 236.226826] ? trace_hardirqs_on+0xbd/0x310 [ 236.231144] ? kasan_check_read+0x11/0x20 [ 236.235286] ? __run_timers+0x7da/0xc70 [ 236.239257] ? trace_hardirqs_off_caller+0x310/0x310 [ 236.244363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.248589] __run_timers+0x7e5/0xc70 [ 236.252396] ? timer_fixup_init+0x70/0x70 [ 236.256539] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.261041] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.265532] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 236.270110] ? trace_hardirqs_on+0xbd/0x310 [ 236.274423] ? kasan_check_read+0x11/0x20 [ 236.278565] ? finish_task_switch+0x1f4/0x910 [ 236.283067] ? trace_hardirqs_off_caller+0x310/0x310 [ 236.288164] ? compat_start_thread+0x80/0x80 [ 236.292585] ? pvclock_read_flags+0x160/0x160 [ 236.297070] ? __switch_to_asm+0x34/0x70 [ 236.301213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.306750] ? check_preemption_disabled+0x48/0x280 [ 236.311783] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 236.317317] ? rcu_pm_notify+0xc0/0xc0 [ 236.321199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.326735] ? check_preemption_disabled+0x48/0x280 [ 236.331749] run_timer_softirq+0x52/0xb0 [ 236.335804] ? rcu_read_lock_sched_held+0x14f/0x180 [ 236.340820] __do_softirq+0x308/0xb7e [ 236.344633] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 236.349734] ? smpboot_thread_fn+0x334/0xa00 [ 236.354144] ? schedule+0x108/0x460 [ 236.357763] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.362524] ? trace_hardirqs_off+0xb8/0x310 [ 236.366930] ? smpboot_thread_fn+0x68b/0xa00 [ 236.371332] ? trace_hardirqs_on+0x310/0x310 [ 236.375741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.381273] ? check_preemption_disabled+0x48/0x280 [ 236.386289] ? takeover_tasklets+0xa90/0xa90 [ 236.390698] run_ksoftirqd+0x5e/0x100 [ 236.394500] smpboot_thread_fn+0x68b/0xa00 [ 236.398740] ? sort_range+0x30/0x30 [ 236.402360] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 236.407458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.412994] ? __kthread_parkme+0xfb/0x1a0 [ 236.417226] ? sort_range+0x30/0x30 [ 236.420848] kthread+0x35a/0x440 [ 236.424209] ? kthread_stop+0x900/0x900 [ 236.428178] ret_from_fork+0x3a/0x50 [ 236.431896] warn_alloc_show_mem: 1 callbacks suppressed [ 236.431905] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 236.431907] Mem-Info: [ 236.431936] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 236.431936] active_file:12 inactive_file:11 isolated_file:0 [ 236.431936] unevictable:0 dirty:0 writeback:0 unstable:0 [ 236.431936] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 236.431936] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 236.431936] free:13782 free_pcp:358 free_cma:0 [ 236.437268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.444201] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 236.446577] Call Trace: [ 236.479433] 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 [ 236.488774] [ 236.516238] lowmem_reserve[]: 0 2818 6321 6321 [ 236.518817] dump_stack+0x244/0x39d [ 236.544891] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 236.547038] ? dump_stack_print_info.cold.1+0x20/0x20 [ 236.551586] lowmem_reserve[]: 0 0 3503 3503 [ 236.555216] warn_alloc.cold.116+0xb7/0x1bd [ 236.582845] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 236.588023] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.592310] lowmem_reserve[]: 0 0 0 0 [ 236.596622] ? lock_downgrade+0x900/0x900 [ 236.625561] 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 [ 236.630400] ? trace_hardirqs_off+0xb8/0x310 [ 236.634168] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 236.638311] ? trace_hardirqs_off+0xb8/0x310 [ 236.651807] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 236.656220] __alloc_pages_slowpath+0x26e8/0x2e10 [ 236.671365] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 236.675778] ? warn_alloc+0x120/0x120 [ 236.690652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 236.695474] ? print_usage_bug+0xc0/0xc0 [ 236.704277] 266 total pagecache pages [ 236.708065] ? warn_alloc+0x120/0x120 [ 236.716880] 0 pages in swap cache [ 236.720927] ? warn_alloc+0x120/0x120 [ 236.724700] Swap cache stats: add 0, delete 0, find 0/0 [ 236.728481] ? print_usage_bug+0xc0/0xc0 [ 236.731905] Free swap = 0kB [ 236.735694] ? print_usage_bug+0xc0/0xc0 [ 236.741026] Total swap = 0kB [ 236.741034] 1965979 pages RAM [ 236.745082] ? __lock_acquire+0x62f/0x4c20 [ 236.748072] 0 pages HighMem/MovableOnly [ 236.752121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.755108] 342854 pages reserved [ 236.758206] ? should_fail+0x22d/0xd01 [ 236.762409] 0 pages cma reserved [ 236.766369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.771937] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.775315] ? __lock_acquire+0x62f/0x4c20 [ 236.775331] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.775342] ? __lock_acquire+0x62f/0x4c20 [ 236.775356] ? should_fail+0x22d/0xd01 [ 236.779264] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.782578] ? mark_held_locks+0x130/0x130 [ 236.787651] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 236.794131] ? mark_held_locks+0x130/0x130 [ 236.834885] ? zap_class+0x640/0x640 [ 236.838601] ? zap_class+0x640/0x640 [ 236.842313] ? print_usage_bug+0xc0/0xc0 [ 236.846367] ? wq_watchdog_touch+0x9c/0xfe [ 236.850600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.856143] ? check_preemption_disabled+0x48/0x280 [ 236.861172] ? __lock_is_held+0xb5/0x140 [ 236.865233] __alloc_pages_nodemask+0xa80/0xde0 [ 236.869896] ? zap_class+0x640/0x640 [ 236.873607] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 236.878643] ? find_held_lock+0x36/0x1c0 [ 236.882710] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.887374] ? lock_downgrade+0x900/0x900 [ 236.891521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.897059] cache_grow_begin+0xa5/0x8c0 [ 236.901204] ? do_raw_spin_unlock+0xa7/0x330 [ 236.905614] fallback_alloc+0x204/0x2e0 [ 236.909597] ____cache_alloc_node+0x1c7/0x1e0 [ 236.914095] kmem_cache_alloc_node+0xe3/0x730 [ 236.918587] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.922825] __alloc_skb+0x119/0x770 [ 236.926535] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 236.931813] ? netdev_alloc_frag+0x1f0/0x1f0 [ 236.936218] ? lock_downgrade+0x900/0x900 [ 236.940370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.945910] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.951357] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.956803] ? addrconf_rs_timer+0x690/0x690 [ 236.961214] ndisc_alloc_skb+0x144/0x340 [ 236.965274] ndisc_send_rs+0x331/0x6e0 [ 236.969167] addrconf_rs_timer+0x314/0x690 [ 236.973403] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.977649] call_timer_fn+0x272/0x920 [ 236.981529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.985756] ? process_timeout+0x40/0x40 [ 236.989820] ? mark_held_locks+0xc7/0x130 [ 236.993963] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.998450] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.002936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.007174] ? lockdep_hardirqs_on+0x296/0x5b0 [ 237.011771] ? trace_hardirqs_on+0xbd/0x310 [ 237.016091] ? kasan_check_read+0x11/0x20 [ 237.020242] ? __run_timers+0x7da/0xc70 [ 237.024214] ? trace_hardirqs_off_caller+0x310/0x310 [ 237.029324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.033555] __run_timers+0x7e5/0xc70 [ 237.037359] ? timer_fixup_init+0x70/0x70 [ 237.041503] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.046518] ? zap_class+0x640/0x640 [ 237.050230] ? print_usage_bug+0xc0/0xc0 [ 237.054291] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.059480] ? find_held_lock+0x36/0x1c0 [ 237.063539] ? zap_class+0x640/0x640 [ 237.067251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.072784] ? check_preemption_disabled+0x48/0x280 [ 237.077805] ? __lock_is_held+0xb5/0x140 [ 237.081861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.087392] ? check_preemption_disabled+0x48/0x280 [ 237.092409] run_timer_softirq+0x52/0xb0 [ 237.096465] ? rcu_read_lock_sched_held+0x14f/0x180 [ 237.101477] __do_softirq+0x308/0xb7e [ 237.105274] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 237.109762] ? lock_downgrade+0x900/0x900 [ 237.113907] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 237.119009] ? pvclock_read_flags+0x160/0x160 [ 237.123505] ? lapic_next_event+0x5a/0x90 [ 237.127651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.133189] ? kvm_clock_read+0x18/0x30 [ 237.137163] ? kvm_sched_clock_read+0x9/0x20 [ 237.141570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.147101] ? check_preemption_disabled+0x48/0x280 [ 237.152123] irq_exit+0x17f/0x1c0 [ 237.155578] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.160420] ? smp_reschedule_interrupt+0x109/0x650 [ 237.165434] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.171312] ? interrupt_entry+0xb5/0xc0 [ 237.175367] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.180376] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.185386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.190226] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.195236] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.200245] ? task_prio+0x50/0x50 [ 237.203782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.209318] ? check_preemption_disabled+0x48/0x280 [ 237.214332] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.219180] apic_timer_interrupt+0xf/0x20 [ 237.223413] [ 237.225645] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 237.230659] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 237.249551] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 237.257256] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 237.264518] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 237.271784] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 237.279046] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 237.286308] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 237.293606] rcu_read_lock_held+0xa9/0xc0 [ 237.297753] css_next_child+0x2a2/0x620 [ 237.301733] ? cgroup_mount+0xd30/0xd30 [ 237.305709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.311240] ? check_preemption_disabled+0x48/0x280 [ 237.316260] ? __lock_is_held+0xb5/0x140 [ 237.320326] css_next_descendant_pre+0xeb/0x190 [ 237.324991] mem_cgroup_iter+0x42f/0x1160 [ 237.329138] ? kasan_check_write+0x14/0x20 [ 237.333378] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 237.338130] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.343146] ? shrink_slab+0xfa/0x8c0 [ 237.346939] ? shrink_active_list+0x1f00/0x1f00 [ 237.351615] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 237.357237] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.362343] ? cgroup_procs_write_finish+0xf0/0xf0 [ 237.367276] ? find_held_lock+0x36/0x1c0 [ 237.371331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.376862] ? vmpressure+0x1a2/0x340 [ 237.380664] shrink_node+0x516/0x16b0 [ 237.384458] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 237.389749] ? shrink_node_memcg+0x18f0/0x18f0 [ 237.394328] ? kvm_clock_read+0x18/0x30 [ 237.398299] ? ktime_get+0x2c1/0x400 [ 237.402011] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 237.406503] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.412040] ? __cpuset_node_allowed+0x19b/0x660 [ 237.416792] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 237.422500] ? delayacct_end+0x5a/0x100 [ 237.426475] do_try_to_free_pages+0x3e7/0x1290 [ 237.431050] ? zap_class+0x640/0x640 [ 237.434774] ? shrink_node+0x16b0/0x16b0 [ 237.438831] ? __lock_is_held+0xb5/0x140 [ 237.442905] try_to_free_pages+0x4d0/0xb90 [ 237.447142] ? do_try_to_free_pages+0x1290/0x1290 [ 237.451993] ? lock_acquire+0x1ed/0x520 [ 237.455964] ? set_page_refcounted+0x280/0x280 [ 237.460548] ? lock_release+0xa00/0xa00 [ 237.464525] ? _raw_spin_unlock_irq+0x60/0x80 [ 237.469017] ? psi_memstall_enter+0x240/0x2b0 [ 237.473507] ? psi_memstall_tick+0x230/0x230 [ 237.477919] __alloc_pages_slowpath+0xa14/0x2e10 [ 237.482698] ? warn_alloc+0x120/0x120 [ 237.486491] ? mark_held_locks+0x130/0x130 [ 237.490726] ? find_get_entry+0xaae/0x1120 [ 237.494963] ? filemap_map_pages+0x1a20/0x1a20 [ 237.499544] ? zap_class+0x640/0x640 [ 237.503264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.508796] ? check_preemption_disabled+0x48/0x280 [ 237.513807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.519336] ? should_fail+0x22d/0xd01 [ 237.523222] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.528324] ? zap_class+0x640/0x640 [ 237.532055] ? __lock_is_held+0xb5/0x140 [ 237.536122] ? mark_held_locks+0x130/0x130 [ 237.540359] ? lock_release+0xa00/0xa00 [ 237.544331] ? perf_trace_sched_process_exec+0x860/0x860 [ 237.549781] ? xa_load+0x2ba/0x460 [ 237.553316] ? lock_downgrade+0x900/0x900 [ 237.557465] ? __might_sleep+0x95/0x190 [ 237.561437] __alloc_pages_nodemask+0xa80/0xde0 [ 237.566125] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 237.571137] ? __page_cache_alloc+0x191/0x5c0 [ 237.575626] ? xa_load+0x2e1/0x460 [ 237.579165] ? xa_clear_mark+0x40/0x40 [ 237.583053] ? zap_class+0x640/0x640 [ 237.586766] ? zap_class+0x640/0x640 [ 237.590478] ? zap_class+0x640/0x640 [ 237.594190] ? __do_page_cache_readahead+0x663/0x810 [ 237.599292] ? find_held_lock+0x36/0x1c0 [ 237.603353] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 237.608895] alloc_pages_current+0x173/0x350 [ 237.613304] __page_cache_alloc+0x38c/0x5c0 [ 237.617618] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 237.622545] ? kasan_check_read+0x11/0x20 [ 237.626692] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 237.631963] ? generic_perform_write+0x6a0/0x6a0 [ 237.636719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.642756] ? check_preemption_disabled+0x48/0x280 [ 237.647779] filemap_fault+0x1595/0x25f0 [ 237.651847] ? __lock_page_or_retry+0xa00/0xa00 [ 237.656518] ? mark_held_locks+0x130/0x130 [ 237.660765] ? filemap_map_pages+0xd6b/0x1a20 [ 237.665256] ? lock_downgrade+0x900/0x900 [ 237.669397] ? check_preemption_disabled+0x48/0x280 [ 237.674411] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 237.679334] ? kasan_check_read+0x11/0x20 [ 237.683476] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 237.688746] ? rcu_softirq_qs+0x20/0x20 [ 237.692726] ? filemap_map_pages+0xd92/0x1a20 [ 237.697218] ? print_usage_bug+0xc0/0xc0 [ 237.701282] ? find_get_entries_tag+0x1400/0x1400 [ 237.706125] ? __kasan_slab_free+0x102/0x150 [ 237.710526] ? kasan_slab_free+0xe/0x10 [ 237.714504] ? kmem_cache_free+0x83/0x290 [ 237.718646] ? __sigqueue_free.part.29+0x74/0x90 [ 237.723415] ? lock_acquire+0x1ed/0x520 [ 237.727393] ? ext4_filemap_fault+0x7a/0xad [ 237.731714] ? lock_release+0xa00/0xa00 [ 237.735683] ? perf_trace_sched_process_exec+0x860/0x860 [ 237.741134] ? print_usage_bug+0xc0/0xc0 [ 237.745195] ? print_usage_bug+0xc0/0xc0 [ 237.749266] ? down_read+0x8d/0x120 [ 237.752886] ? ext4_filemap_fault+0x7a/0xad [ 237.757206] ? __down_interruptible+0x700/0x700 [ 237.761879] ext4_filemap_fault+0x82/0xad [ 237.766117] __do_fault+0x100/0x6b0 [ 237.769745] ? pmd_devmap_trans_unstable+0x220/0x220 [ 237.774847] ? mark_held_locks+0x130/0x130 [ 237.779077] ? mark_held_locks+0x130/0x130 [ 237.783322] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 237.788856] ? rcu_pm_notify+0xc0/0xc0 [ 237.792747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.798280] __handle_mm_fault+0x3ea0/0x5be0 [ 237.802695] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 237.808037] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.812533] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 237.817120] ? trace_hardirqs_on+0xbd/0x310 [ 237.821438] ? kasan_check_read+0x11/0x20 [ 237.825583] ? __set_current_blocked+0xdf/0x120 [ 237.830248] ? trace_hardirqs_off_caller+0x310/0x310 [ 237.835360] ? zap_class+0x640/0x640 [ 237.839066] ? zap_class+0x640/0x640 [ 237.842782] ? find_held_lock+0x36/0x1c0 [ 237.846857] ? handle_mm_fault+0x42a/0xc70 [ 237.851091] ? lock_downgrade+0x900/0x900 [ 237.855236] ? check_preemption_disabled+0x48/0x280 [ 237.860251] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 237.865174] ? kasan_check_read+0x11/0x20 [ 237.869316] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 237.874587] ? rcu_softirq_qs+0x20/0x20 [ 237.878560] ? trace_hardirqs_off_caller+0x310/0x310 [ 237.883663] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.889197] ? check_preemption_disabled+0x48/0x280 [ 237.894213] handle_mm_fault+0x54f/0xc70 [ 237.898276] ? __handle_mm_fault+0x5be0/0x5be0 [ 237.902855] ? find_vma+0x34/0x190 [ 237.906402] __do_page_fault+0x5e8/0xe60 [ 237.910462] ? exit_to_usermode_loop+0x1f4/0x380 [ 237.915223] do_page_fault+0xf2/0x7e0 [ 237.919019] ? vmalloc_sync_all+0x30/0x30 [ 237.923161] ? error_entry+0x70/0xd0 [ 237.926877] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.931885] ? trace_hardirqs_on_caller+0xc0/0x310 [ 237.936821] ? syscall_return_slowpath+0x5e0/0x5e0 [ 237.941745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.946583] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.951595] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.957050] ? prepare_exit_to_usermode+0x291/0x3b0 [ 237.962062] ? page_fault+0x8/0x30 [ 237.965614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.970454] ? page_fault+0x8/0x30 [ 237.973989] page_fault+0x1e/0x30 [ 237.977435] RIP: 0033:0x45db60 [ 237.980633] Code: Bad RIP value. [ 237.983989] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 237.989344] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 237.996610] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 238.003870] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 238.011141] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 238.018402] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 238.025690] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 238.025749] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.032437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.032441] Call Trace: [ 238.032459] dump_stack+0x244/0x39d [ 238.032479] ? dump_stack_print_info.cold.1+0x20/0x20 [ 238.038992] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.048299] warn_alloc.cold.116+0xb7/0x1bd [ 238.050846] syz-fuzzer cpuset=/ mems_allowed=0 [ 238.054463] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.083537] ? lock_downgrade+0x900/0x900 [ 238.087690] ? trace_hardirqs_off+0xb8/0x310 [ 238.092097] ? trace_hardirqs_off+0xb8/0x310 [ 238.096506] __alloc_pages_slowpath+0x26e8/0x2e10 [ 238.101377] ? warn_alloc+0x120/0x120 [ 238.105174] ? print_usage_bug+0xc0/0xc0 [ 238.109230] ? warn_alloc+0x120/0x120 [ 238.113028] ? warn_alloc+0x120/0x120 [ 238.116825] ? print_usage_bug+0xc0/0xc0 [ 238.120887] ? print_usage_bug+0xc0/0xc0 [ 238.124943] ? __lock_acquire+0x62f/0x4c20 [ 238.129180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.134716] ? should_fail+0x22d/0xd01 [ 238.138622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.143719] ? __lock_acquire+0x62f/0x4c20 [ 238.147959] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.153054] ? __lock_acquire+0x62f/0x4c20 [ 238.157279] ? should_fail+0x22d/0xd01 [ 238.161164] ? find_held_lock+0x36/0x1c0 [ 238.165230] ? mark_held_locks+0x130/0x130 [ 238.169463] ? mark_held_locks+0x130/0x130 [ 238.173691] ? zap_class+0x640/0x640 [ 238.177398] ? zap_class+0x640/0x640 [ 238.181114] ? print_usage_bug+0xc0/0xc0 [ 238.185168] ? do_raw_spin_unlock+0xa7/0x330 [ 238.189576] ? zap_class+0x640/0x640 [ 238.193284] ? print_usage_bug+0xc0/0xc0 [ 238.197338] ? wq_watchdog_touch+0x9c/0xfe [ 238.201577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.207110] ? check_preemption_disabled+0x48/0x280 [ 238.212129] ? __lock_is_held+0xb5/0x140 [ 238.216193] __alloc_pages_nodemask+0xa80/0xde0 [ 238.220857] ? zap_class+0x640/0x640 [ 238.224578] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 238.229599] ? find_held_lock+0x36/0x1c0 [ 238.233665] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.238333] ? lock_downgrade+0x900/0x900 [ 238.242486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.248029] cache_grow_begin+0xa5/0x8c0 [ 238.252084] ? do_raw_spin_unlock+0xa7/0x330 [ 238.256494] fallback_alloc+0x204/0x2e0 [ 238.260483] ____cache_alloc_node+0x1c7/0x1e0 [ 238.264991] kmem_cache_alloc_node+0xe3/0x730 [ 238.269485] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.273731] __alloc_skb+0x119/0x770 [ 238.277438] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 238.282714] ? netdev_alloc_frag+0x1f0/0x1f0 [ 238.287120] ? lock_downgrade+0x900/0x900 [ 238.291269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.297331] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.302778] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.308223] ? addrconf_rs_timer+0x690/0x690 [ 238.312639] ndisc_alloc_skb+0x144/0x340 [ 238.316703] ndisc_send_rs+0x331/0x6e0 [ 238.320590] addrconf_rs_timer+0x314/0x690 [ 238.324824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.329063] call_timer_fn+0x272/0x920 [ 238.332944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.337172] ? process_timeout+0x40/0x40 [ 238.341238] ? __run_timers+0x7da/0xc70 [ 238.345210] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.349699] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.354188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.358416] ? lockdep_hardirqs_on+0x296/0x5b0 [ 238.363001] ? trace_hardirqs_on+0xbd/0x310 [ 238.367321] ? kasan_check_read+0x11/0x20 [ 238.371461] ? __run_timers+0x7da/0xc70 [ 238.375433] ? trace_hardirqs_off_caller+0x310/0x310 [ 238.380540] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.384777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.389010] __run_timers+0x7e5/0xc70 [ 238.393072] ? timer_fixup_init+0x70/0x70 [ 238.397213] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.401704] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.406197] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 238.410777] ? trace_hardirqs_on+0xbd/0x310 [ 238.415101] ? kasan_check_read+0x11/0x20 [ 238.419247] ? finish_task_switch+0x1f4/0x910 [ 238.423738] ? trace_hardirqs_off_caller+0x310/0x310 [ 238.428839] ? compat_start_thread+0x80/0x80 [ 238.433268] ? pvclock_read_flags+0x160/0x160 [ 238.437754] ? __switch_to_asm+0x34/0x70 [ 238.441811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.447343] ? check_preemption_disabled+0x48/0x280 [ 238.452370] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 238.457906] ? rcu_pm_notify+0xc0/0xc0 [ 238.461789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.467322] ? check_preemption_disabled+0x48/0x280 [ 238.472339] run_timer_softirq+0x52/0xb0 [ 238.476397] ? rcu_read_lock_sched_held+0x14f/0x180 [ 238.481408] __do_softirq+0x308/0xb7e [ 238.485211] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 238.490307] ? smpboot_thread_fn+0x334/0xa00 [ 238.494717] ? schedule+0x108/0x460 [ 238.498340] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.503099] ? trace_hardirqs_off+0xb8/0x310 [ 238.507511] ? smpboot_thread_fn+0x68b/0xa00 [ 238.511917] ? trace_hardirqs_on+0x310/0x310 [ 238.516323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.521857] ? check_preemption_disabled+0x48/0x280 [ 238.526868] ? takeover_tasklets+0xa90/0xa90 [ 238.531271] run_ksoftirqd+0x5e/0x100 [ 238.535066] smpboot_thread_fn+0x68b/0xa00 [ 238.539299] ? sort_range+0x30/0x30 [ 238.542923] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.548019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.553553] ? __kthread_parkme+0xfb/0x1a0 [ 238.557784] ? sort_range+0x30/0x30 [ 238.561410] kthread+0x35a/0x440 [ 238.564771] ? kthread_stop+0x900/0x900 [ 238.568741] ret_from_fork+0x3a/0x50 [ 238.572461] warn_alloc_show_mem: 1 callbacks suppressed [ 238.572471] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 238.572472] Mem-Info: [ 238.572510] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 238.572510] active_file:12 inactive_file:11 isolated_file:0 [ 238.572510] unevictable:0 dirty:0 writeback:0 unstable:0 [ 238.572510] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 238.572510] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 238.572510] free:13782 free_pcp:358 free_cma:0 [ 238.577840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.584764] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 238.587153] Call Trace: [ 238.620011] 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 [ 238.629354] [ 238.656824] lowmem_reserve[]: 0 2818 6321 6321 [ 238.659398] dump_stack+0x244/0x39d [ 238.685489] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 238.687634] ? dump_stack_print_info.cold.1+0x20/0x20 [ 238.692177] lowmem_reserve[]: 0 0 3503 3503 [ 238.695995] warn_alloc.cold.116+0xb7/0x1bd [ 238.723632] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 238.728816] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.733102] lowmem_reserve[]: 0 0 0 0 [ 238.737423] ? lock_downgrade+0x900/0x900 [ 238.766462] 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 [ 238.771308] ? trace_hardirqs_off+0xb8/0x310 [ 238.775080] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 238.779217] ? trace_hardirqs_off+0xb8/0x310 [ 238.792718] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 238.797125] __alloc_pages_slowpath+0x26e8/0x2e10 [ 238.812269] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 238.816684] ? warn_alloc+0x120/0x120 [ 238.831578] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 238.836409] ? print_usage_bug+0xc0/0xc0 [ 238.845216] 266 total pagecache pages [ 238.849009] ? warn_alloc+0x120/0x120 [ 238.857560] 0 pages in swap cache [ 238.861609] ? warn_alloc+0x120/0x120 [ 238.865384] Swap cache stats: add 0, delete 0, find 0/0 [ 238.869170] ? print_usage_bug+0xc0/0xc0 [ 238.872592] Free swap = 0kB [ 238.876383] ? print_usage_bug+0xc0/0xc0 [ 238.882064] Total swap = 0kB [ 238.886109] ? __lock_acquire+0x62f/0x4c20 [ 238.889097] 1965979 pages RAM [ 238.893145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.896134] 0 pages HighMem/MovableOnly [ 238.900353] ? should_fail+0x22d/0xd01 [ 238.903435] 342854 pages reserved [ 238.908966] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.912909] 0 pages cma reserved [ 238.916781] ? __lock_acquire+0x62f/0x4c20 [ 238.920263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.925295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.925307] ? __lock_acquire+0x62f/0x4c20 [ 238.925321] ? should_fail+0x22d/0xd01 [ 238.928707] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.932882] ? find_held_lock+0x36/0x1c0 [ 238.939346] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 238.944438] ? mark_held_locks+0x130/0x130 [ 238.975721] ? mark_held_locks+0x130/0x130 [ 238.979948] ? zap_class+0x640/0x640 [ 238.983659] ? zap_class+0x640/0x640 [ 238.987371] ? print_usage_bug+0xc0/0xc0 [ 238.991423] ? do_raw_spin_unlock+0xa7/0x330 [ 238.995836] ? zap_class+0x640/0x640 [ 238.999548] ? print_usage_bug+0xc0/0xc0 [ 239.003616] ? wq_watchdog_touch+0x9c/0xfe [ 239.007854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.013388] ? check_preemption_disabled+0x48/0x280 [ 239.018412] ? __lock_is_held+0xb5/0x140 [ 239.022478] __alloc_pages_nodemask+0xa80/0xde0 [ 239.027146] ? zap_class+0x640/0x640 [ 239.030858] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 239.035881] ? find_held_lock+0x36/0x1c0 [ 239.039946] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.044613] ? lock_downgrade+0x900/0x900 [ 239.048763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.054298] cache_grow_begin+0xa5/0x8c0 [ 239.058350] ? do_raw_spin_unlock+0xa7/0x330 [ 239.062761] fallback_alloc+0x204/0x2e0 [ 239.066735] ____cache_alloc_node+0x1c7/0x1e0 [ 239.071229] kmem_cache_alloc_node+0xe3/0x730 [ 239.075718] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.079957] __alloc_skb+0x119/0x770 [ 239.083665] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 239.088941] ? netdev_alloc_frag+0x1f0/0x1f0 [ 239.093347] ? lock_downgrade+0x900/0x900 [ 239.097499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.103036] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.108495] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.113940] ? addrconf_rs_timer+0x690/0x690 [ 239.118354] ndisc_alloc_skb+0x144/0x340 [ 239.122412] ndisc_send_rs+0x331/0x6e0 [ 239.126306] addrconf_rs_timer+0x314/0x690 [ 239.130538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.134780] call_timer_fn+0x272/0x920 [ 239.138664] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.142894] ? process_timeout+0x40/0x40 [ 239.146957] ? mark_held_locks+0xc7/0x130 [ 239.151104] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.155593] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.160082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.164311] ? lockdep_hardirqs_on+0x296/0x5b0 [ 239.168893] ? trace_hardirqs_on+0xbd/0x310 [ 239.173210] ? kasan_check_read+0x11/0x20 [ 239.177348] ? __run_timers+0x7da/0xc70 [ 239.181331] ? trace_hardirqs_off_caller+0x310/0x310 [ 239.186443] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.190687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.194913] __run_timers+0x7e5/0xc70 [ 239.198717] ? timer_fixup_init+0x70/0x70 [ 239.202862] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.207885] ? zap_class+0x640/0x640 [ 239.211599] ? print_usage_bug+0xc0/0xc0 [ 239.215659] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 239.220861] ? find_held_lock+0x36/0x1c0 [ 239.224923] ? zap_class+0x640/0x640 [ 239.228637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.234173] ? check_preemption_disabled+0x48/0x280 [ 239.239197] ? __lock_is_held+0xb5/0x140 [ 239.243255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.248886] ? check_preemption_disabled+0x48/0x280 [ 239.253906] run_timer_softirq+0x52/0xb0 [ 239.257971] ? rcu_read_lock_sched_held+0x14f/0x180 [ 239.262987] __do_softirq+0x308/0xb7e [ 239.266801] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 239.271291] ? lock_downgrade+0x900/0x900 [ 239.275447] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 239.280559] ? pvclock_read_flags+0x160/0x160 [ 239.285055] ? lapic_next_event+0x5a/0x90 [ 239.289198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.294742] ? kvm_clock_read+0x18/0x30 [ 239.298708] ? kvm_sched_clock_read+0x9/0x20 [ 239.303112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.308650] ? check_preemption_disabled+0x48/0x280 [ 239.313673] irq_exit+0x17f/0x1c0 [ 239.317122] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.321962] ? smp_reschedule_interrupt+0x109/0x650 [ 239.327003] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.332883] ? interrupt_entry+0xb5/0xc0 [ 239.336942] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.341962] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.346975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.351813] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.356823] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.361832] ? task_prio+0x50/0x50 [ 239.365369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.370899] ? check_preemption_disabled+0x48/0x280 [ 239.375914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.380759] apic_timer_interrupt+0xf/0x20 [ 239.384987] [ 239.387224] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 239.392234] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 239.411129] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 239.418829] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 239.426108] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 239.433370] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 239.440636] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 239.447905] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 239.455199] rcu_read_lock_held+0xa9/0xc0 [ 239.459343] css_next_child+0x2a2/0x620 [ 239.463317] ? cgroup_mount+0xd30/0xd30 [ 239.467290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.472821] ? check_preemption_disabled+0x48/0x280 [ 239.477845] ? __lock_is_held+0xb5/0x140 [ 239.481911] css_next_descendant_pre+0xeb/0x190 [ 239.486581] mem_cgroup_iter+0x42f/0x1160 [ 239.490727] ? kasan_check_write+0x14/0x20 [ 239.494979] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 239.499729] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.504745] ? shrink_slab+0xfa/0x8c0 [ 239.508543] ? shrink_active_list+0x1f00/0x1f00 [ 239.513215] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 239.518836] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.523942] ? cgroup_procs_write_finish+0xf0/0xf0 [ 239.528874] ? find_held_lock+0x36/0x1c0 [ 239.532930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.538467] ? vmpressure+0x1a2/0x340 [ 239.542272] shrink_node+0x516/0x16b0 [ 239.546066] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 239.551363] ? shrink_node_memcg+0x18f0/0x18f0 [ 239.555947] ? kvm_clock_read+0x18/0x30 [ 239.559916] ? ktime_get+0x2c1/0x400 [ 239.563632] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 239.568123] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 239.573655] ? __cpuset_node_allowed+0x19b/0x660 [ 239.578419] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 239.584125] ? delayacct_end+0x5a/0x100 [ 239.588101] do_try_to_free_pages+0x3e7/0x1290 [ 239.592679] ? zap_class+0x640/0x640 [ 239.596408] ? shrink_node+0x16b0/0x16b0 [ 239.600466] ? __lock_is_held+0xb5/0x140 [ 239.604535] try_to_free_pages+0x4d0/0xb90 [ 239.608780] ? do_try_to_free_pages+0x1290/0x1290 [ 239.613628] ? lock_acquire+0x1ed/0x520 [ 239.617600] ? set_page_refcounted+0x280/0x280 [ 239.622181] ? lock_release+0xa00/0xa00 [ 239.626151] ? _raw_spin_unlock_irq+0x60/0x80 [ 239.630643] ? psi_memstall_enter+0x240/0x2b0 [ 239.635220] ? psi_memstall_tick+0x230/0x230 [ 239.639935] __alloc_pages_slowpath+0xa14/0x2e10 [ 239.644713] ? warn_alloc+0x120/0x120 [ 239.648507] ? mark_held_locks+0x130/0x130 [ 239.652745] ? find_get_entry+0xaae/0x1120 [ 239.656982] ? filemap_map_pages+0x1a20/0x1a20 [ 239.661561] ? zap_class+0x640/0x640 [ 239.665274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.670806] ? check_preemption_disabled+0x48/0x280 [ 239.675817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.681347] ? should_fail+0x22d/0xd01 [ 239.685246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.690348] ? zap_class+0x640/0x640 [ 239.694079] ? __lock_is_held+0xb5/0x140 [ 239.698165] ? mark_held_locks+0x130/0x130 [ 239.702404] ? lock_release+0xa00/0xa00 [ 239.706373] ? perf_trace_sched_process_exec+0x860/0x860 [ 239.711828] ? xa_load+0x2ba/0x460 [ 239.715368] ? lock_downgrade+0x900/0x900 [ 239.719525] ? __might_sleep+0x95/0x190 [ 239.723500] __alloc_pages_nodemask+0xa80/0xde0 [ 239.728173] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 239.733185] ? __page_cache_alloc+0x191/0x5c0 [ 239.737675] ? xa_load+0x2e1/0x460 [ 239.741215] ? xa_clear_mark+0x40/0x40 [ 239.745099] ? zap_class+0x640/0x640 [ 239.748816] ? zap_class+0x640/0x640 [ 239.752523] ? zap_class+0x640/0x640 [ 239.756326] ? __do_page_cache_readahead+0x663/0x810 [ 239.761431] ? find_held_lock+0x36/0x1c0 [ 239.765493] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 239.771033] alloc_pages_current+0x173/0x350 [ 239.775441] __page_cache_alloc+0x38c/0x5c0 [ 239.779753] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 239.784685] ? kasan_check_read+0x11/0x20 [ 239.788830] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 239.794114] ? generic_perform_write+0x6a0/0x6a0 [ 239.798864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.804406] ? check_preemption_disabled+0x48/0x280 [ 239.809955] filemap_fault+0x1595/0x25f0 [ 239.814027] ? __lock_page_or_retry+0xa00/0xa00 [ 239.818693] ? mark_held_locks+0x130/0x130 [ 239.822935] ? filemap_map_pages+0xd6b/0x1a20 [ 239.827428] ? lock_downgrade+0x900/0x900 [ 239.831571] ? check_preemption_disabled+0x48/0x280 [ 239.836587] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 239.841510] ? kasan_check_read+0x11/0x20 [ 239.845656] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 239.850940] ? rcu_softirq_qs+0x20/0x20 [ 239.854928] ? filemap_map_pages+0xd92/0x1a20 [ 239.859423] ? print_usage_bug+0xc0/0xc0 [ 239.863498] ? find_get_entries_tag+0x1400/0x1400 [ 239.868336] ? __kasan_slab_free+0x102/0x150 [ 239.872737] ? kasan_slab_free+0xe/0x10 [ 239.876708] ? kmem_cache_free+0x83/0x290 [ 239.880853] ? __sigqueue_free.part.29+0x74/0x90 [ 239.885622] ? lock_acquire+0x1ed/0x520 [ 239.889600] ? ext4_filemap_fault+0x7a/0xad [ 239.893930] ? lock_release+0xa00/0xa00 [ 239.897902] ? perf_trace_sched_process_exec+0x860/0x860 [ 239.903350] ? print_usage_bug+0xc0/0xc0 [ 239.907411] ? print_usage_bug+0xc0/0xc0 [ 239.911479] ? down_read+0x8d/0x120 [ 239.915101] ? ext4_filemap_fault+0x7a/0xad [ 239.919416] ? __down_interruptible+0x700/0x700 [ 239.924093] ext4_filemap_fault+0x82/0xad [ 239.928237] __do_fault+0x100/0x6b0 [ 239.931867] ? pmd_devmap_trans_unstable+0x220/0x220 [ 239.936965] ? mark_held_locks+0x130/0x130 [ 239.941196] ? mark_held_locks+0x130/0x130 [ 239.945428] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 239.950959] ? rcu_pm_notify+0xc0/0xc0 [ 239.954847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.960390] __handle_mm_fault+0x3ea0/0x5be0 [ 239.964810] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 239.969645] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.974134] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 239.978711] ? trace_hardirqs_on+0xbd/0x310 [ 239.983024] ? kasan_check_read+0x11/0x20 [ 239.987163] ? __set_current_blocked+0xdf/0x120 [ 239.991829] ? trace_hardirqs_off_caller+0x310/0x310 [ 239.996941] ? zap_class+0x640/0x640 [ 240.000650] ? zap_class+0x640/0x640 [ 240.004370] ? find_held_lock+0x36/0x1c0 [ 240.008443] ? handle_mm_fault+0x42a/0xc70 [ 240.012674] ? lock_downgrade+0x900/0x900 [ 240.017355] ? check_preemption_disabled+0x48/0x280 [ 240.022385] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 240.027308] ? kasan_check_read+0x11/0x20 [ 240.031448] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 240.036719] ? rcu_softirq_qs+0x20/0x20 [ 240.040686] ? trace_hardirqs_off_caller+0x310/0x310 [ 240.045788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.051320] ? check_preemption_disabled+0x48/0x280 [ 240.056338] handle_mm_fault+0x54f/0xc70 [ 240.060402] ? __handle_mm_fault+0x5be0/0x5be0 [ 240.064986] ? find_vma+0x34/0x190 [ 240.068533] __do_page_fault+0x5e8/0xe60 [ 240.072591] ? exit_to_usermode_loop+0x1f4/0x380 [ 240.077349] do_page_fault+0xf2/0x7e0 [ 240.081157] ? vmalloc_sync_all+0x30/0x30 [ 240.085303] ? error_entry+0x70/0xd0 [ 240.089017] ? trace_hardirqs_off_caller+0xbb/0x310 [ 240.094026] ? trace_hardirqs_on_caller+0xc0/0x310 [ 240.098951] ? syscall_return_slowpath+0x5e0/0x5e0 [ 240.103874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.108713] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.113725] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.119174] ? prepare_exit_to_usermode+0x291/0x3b0 [ 240.124183] ? page_fault+0x8/0x30 [ 240.127732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.132570] ? page_fault+0x8/0x30 [ 240.136103] page_fault+0x1e/0x30 [ 240.139553] RIP: 0033:0x45db60 [ 240.142760] Code: Bad RIP value. [ 240.146115] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 240.151471] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 240.158731] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 240.165992] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 240.173254] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 240.180519] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 240.187808] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 240.187868] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.194556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.194560] Call Trace: [ 240.194577] dump_stack+0x244/0x39d [ 240.194597] ? dump_stack_print_info.cold.1+0x20/0x20 [ 240.201106] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.210415] warn_alloc.cold.116+0xb7/0x1bd [ 240.212967] syz-fuzzer cpuset=/ mems_allowed=0 [ 240.216589] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.245651] ? lock_downgrade+0x900/0x900 [ 240.249799] ? trace_hardirqs_off+0xb8/0x310 [ 240.254209] ? trace_hardirqs_off+0xb8/0x310 [ 240.258626] __alloc_pages_slowpath+0x26e8/0x2e10 [ 240.263489] ? warn_alloc+0x120/0x120 [ 240.267285] ? print_usage_bug+0xc0/0xc0 [ 240.271354] ? warn_alloc+0x120/0x120 [ 240.275159] ? warn_alloc+0x120/0x120 [ 240.278957] ? print_usage_bug+0xc0/0xc0 [ 240.283015] ? print_usage_bug+0xc0/0xc0 [ 240.287069] ? __lock_acquire+0x62f/0x4c20 [ 240.291306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.296844] ? should_fail+0x22d/0xd01 [ 240.300729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.305826] ? __lock_acquire+0x62f/0x4c20 [ 240.310064] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.315163] ? __lock_acquire+0x62f/0x4c20 [ 240.319393] ? should_fail+0x22d/0xd01 [ 240.323275] ? find_held_lock+0x36/0x1c0 [ 240.327347] ? mark_held_locks+0x130/0x130 [ 240.331583] ? mark_held_locks+0x130/0x130 [ 240.335808] ? zap_class+0x640/0x640 [ 240.339517] ? zap_class+0x640/0x640 [ 240.343227] ? print_usage_bug+0xc0/0xc0 [ 240.347281] ? do_raw_spin_unlock+0xa7/0x330 [ 240.351683] ? zap_class+0x640/0x640 [ 240.355398] ? print_usage_bug+0xc0/0xc0 [ 240.359455] ? wq_watchdog_touch+0x9c/0xfe [ 240.363688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.369219] ? check_preemption_disabled+0x48/0x280 [ 240.374237] ? __lock_is_held+0xb5/0x140 [ 240.378299] __alloc_pages_nodemask+0xa80/0xde0 [ 240.382973] ? zap_class+0x640/0x640 [ 240.386687] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 240.391710] ? find_held_lock+0x36/0x1c0 [ 240.395773] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.400439] ? lock_downgrade+0x900/0x900 [ 240.404591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.410126] cache_grow_begin+0xa5/0x8c0 [ 240.414181] ? do_raw_spin_unlock+0xa7/0x330 [ 240.418596] fallback_alloc+0x204/0x2e0 [ 240.422568] ____cache_alloc_node+0x1c7/0x1e0 [ 240.427065] kmem_cache_alloc_node+0xe3/0x730 [ 240.431554] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.435793] __alloc_skb+0x119/0x770 [ 240.439498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 240.444770] ? netdev_alloc_frag+0x1f0/0x1f0 [ 240.449174] ? lock_downgrade+0x900/0x900 [ 240.453335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.458870] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.464317] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.469773] ? addrconf_rs_timer+0x690/0x690 [ 240.474186] ndisc_alloc_skb+0x144/0x340 [ 240.478248] ndisc_send_rs+0x331/0x6e0 [ 240.482135] addrconf_rs_timer+0x314/0x690 [ 240.486374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.490980] call_timer_fn+0x272/0x920 [ 240.494858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.499087] ? process_timeout+0x40/0x40 [ 240.503150] ? __run_timers+0x7da/0xc70 [ 240.507120] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.511614] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.516108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.520346] ? lockdep_hardirqs_on+0x296/0x5b0 [ 240.524931] ? trace_hardirqs_on+0xbd/0x310 [ 240.529250] ? kasan_check_read+0x11/0x20 [ 240.533398] ? __run_timers+0x7da/0xc70 [ 240.537457] ? trace_hardirqs_off_caller+0x310/0x310 [ 240.542565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.546801] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.551034] __run_timers+0x7e5/0xc70 [ 240.554845] ? timer_fixup_init+0x70/0x70 [ 240.558997] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.563487] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.567984] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 240.572565] ? trace_hardirqs_on+0xbd/0x310 [ 240.576911] ? kasan_check_read+0x11/0x20 [ 240.581073] ? finish_task_switch+0x1f4/0x910 [ 240.585575] ? trace_hardirqs_off_caller+0x310/0x310 [ 240.590679] ? compat_start_thread+0x80/0x80 [ 240.595110] ? pvclock_read_flags+0x160/0x160 [ 240.599607] ? __switch_to_asm+0x34/0x70 [ 240.603670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.609209] ? check_preemption_disabled+0x48/0x280 [ 240.614234] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 240.619775] ? rcu_pm_notify+0xc0/0xc0 [ 240.623665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.629206] ? check_preemption_disabled+0x48/0x280 [ 240.634225] run_timer_softirq+0x52/0xb0 [ 240.638300] ? rcu_read_lock_sched_held+0x14f/0x180 [ 240.643352] __do_softirq+0x308/0xb7e [ 240.647168] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 240.652272] ? smpboot_thread_fn+0x334/0xa00 [ 240.656687] ? schedule+0x108/0x460 [ 240.660325] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.665093] ? trace_hardirqs_off+0xb8/0x310 [ 240.669538] ? smpboot_thread_fn+0x68b/0xa00 [ 240.673951] ? trace_hardirqs_on+0x310/0x310 [ 240.678449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.683988] ? check_preemption_disabled+0x48/0x280 [ 240.689003] ? takeover_tasklets+0xa90/0xa90 [ 240.693415] run_ksoftirqd+0x5e/0x100 [ 240.697219] smpboot_thread_fn+0x68b/0xa00 [ 240.701455] ? sort_range+0x30/0x30 [ 240.705087] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.710193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.715729] ? __kthread_parkme+0xfb/0x1a0 [ 240.719969] ? sort_range+0x30/0x30 [ 240.723597] kthread+0x35a/0x440 [ 240.726969] ? kthread_stop+0x900/0x900 [ 240.730945] ret_from_fork+0x3a/0x50 [ 240.734672] warn_alloc_show_mem: 1 callbacks suppressed [ 240.734681] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 240.734683] Mem-Info: [ 240.734717] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 240.734717] active_file:12 inactive_file:11 isolated_file:0 [ 240.734717] unevictable:0 dirty:0 writeback:0 unstable:0 [ 240.734717] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 240.734717] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 240.734717] free:13782 free_pcp:358 free_cma:0 [ 240.740061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.747023] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 240.749420] Call Trace: [ 240.782285] 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 [ 240.791645] [ 240.819123] lowmem_reserve[]: 0 2818 6321 6321 [ 240.821753] dump_stack+0x244/0x39d [ 240.847832] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 240.849994] ? dump_stack_print_info.cold.1+0x20/0x20 [ 240.854586] lowmem_reserve[]: 0 0 3503 3503 [ 240.858219] warn_alloc.cold.116+0xb7/0x1bd [ 240.885862] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 240.891048] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.895344] lowmem_reserve[]: 0 0 0 0 [ 240.899662] ? lock_downgrade+0x900/0x900 [ 240.928607] 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 [ 240.933451] ? trace_hardirqs_off+0xb8/0x310 [ 240.937225] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 240.941371] ? trace_hardirqs_off+0xb8/0x310 [ 240.954870] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 240.959292] __alloc_pages_slowpath+0x26e8/0x2e10 [ 240.974438] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 240.978863] ? warn_alloc+0x120/0x120 [ 240.993735] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 240.998566] ? print_usage_bug+0xc0/0xc0 [ 241.007382] 266 total pagecache pages [ 241.011205] ? warn_alloc+0x120/0x120 [ 241.019761] 0 pages in swap cache [ 241.023817] ? warn_alloc+0x120/0x120 [ 241.027594] Swap cache stats: add 0, delete 0, find 0/0 [ 241.031385] ? print_usage_bug+0xc0/0xc0 [ 241.034818] Free swap = 0kB [ 241.038613] ? print_usage_bug+0xc0/0xc0 [ 241.043953] Total swap = 0kB [ 241.048005] ? __lock_acquire+0x62f/0x4c20 [ 241.051003] 1965979 pages RAM [ 241.055089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.058080] 0 pages HighMem/MovableOnly [ 241.062324] ? should_fail+0x22d/0xd01 [ 241.065404] 342854 pages reserved [ 241.070932] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.074883] 0 pages cma reserved [ 241.078784] ? __lock_acquire+0x62f/0x4c20 [ 241.082282] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.087325] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.090724] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.094909] ? __lock_acquire+0x62f/0x4c20 [ 241.101377] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 241.106472] ? should_fail+0x22d/0xd01 [ 241.106487] ? find_held_lock+0x36/0x1c0 [ 241.133585] ? mark_held_locks+0x130/0x130 [ 241.137837] ? mark_held_locks+0x130/0x130 [ 241.142073] ? zap_class+0x640/0x640 [ 241.145793] ? zap_class+0x640/0x640 [ 241.149516] ? print_usage_bug+0xc0/0xc0 [ 241.153574] ? do_raw_spin_unlock+0xa7/0x330 [ 241.157983] ? zap_class+0x640/0x640 [ 241.161700] ? print_usage_bug+0xc0/0xc0 [ 241.165759] ? wq_watchdog_touch+0x9c/0xfe [ 241.169999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.175542] ? check_preemption_disabled+0x48/0x280 [ 241.180567] ? __lock_is_held+0xb5/0x140 [ 241.184676] __alloc_pages_nodemask+0xa80/0xde0 [ 241.189349] ? zap_class+0x640/0x640 [ 241.193069] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 241.198094] ? find_held_lock+0x36/0x1c0 [ 241.202165] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.206839] ? lock_downgrade+0x900/0x900 [ 241.210996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.216540] cache_grow_begin+0xa5/0x8c0 [ 241.220603] ? do_raw_spin_unlock+0xa7/0x330 [ 241.225022] fallback_alloc+0x204/0x2e0 [ 241.229003] ____cache_alloc_node+0x1c7/0x1e0 [ 241.233506] kmem_cache_alloc_node+0xe3/0x730 [ 241.238013] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.242269] __alloc_skb+0x119/0x770 [ 241.245988] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 241.251290] ? netdev_alloc_frag+0x1f0/0x1f0 [ 241.255705] ? lock_downgrade+0x900/0x900 [ 241.259867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.265404] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.270859] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.276309] ? addrconf_rs_timer+0x690/0x690 [ 241.280730] ndisc_alloc_skb+0x144/0x340 [ 241.284798] ndisc_send_rs+0x331/0x6e0 [ 241.288692] addrconf_rs_timer+0x314/0x690 [ 241.292930] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.297177] call_timer_fn+0x272/0x920 [ 241.301062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.305297] ? process_timeout+0x40/0x40 [ 241.309378] ? mark_held_locks+0xc7/0x130 [ 241.313530] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.318110] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.322602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.326839] ? lockdep_hardirqs_on+0x296/0x5b0 [ 241.331428] ? trace_hardirqs_on+0xbd/0x310 [ 241.335751] ? kasan_check_read+0x11/0x20 [ 241.339898] ? __run_timers+0x7da/0xc70 [ 241.343875] ? trace_hardirqs_off_caller+0x310/0x310 [ 241.348983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.353223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.357468] __run_timers+0x7e5/0xc70 [ 241.361293] ? timer_fixup_init+0x70/0x70 [ 241.365445] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.370469] ? zap_class+0x640/0x640 [ 241.374186] ? print_usage_bug+0xc0/0xc0 [ 241.378261] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.383547] ? find_held_lock+0x36/0x1c0 [ 241.387612] ? zap_class+0x640/0x640 [ 241.391330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.396873] ? check_preemption_disabled+0x48/0x280 [ 241.401945] ? __lock_is_held+0xb5/0x140 [ 241.406007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.411549] ? check_preemption_disabled+0x48/0x280 [ 241.416568] run_timer_softirq+0x52/0xb0 [ 241.420629] ? rcu_read_lock_sched_held+0x14f/0x180 [ 241.425682] __do_softirq+0x308/0xb7e [ 241.429492] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 241.433990] ? lock_downgrade+0x900/0x900 [ 241.438142] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 241.443264] ? pvclock_read_flags+0x160/0x160 [ 241.447761] ? lapic_next_event+0x5a/0x90 [ 241.451913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.457461] ? kvm_clock_read+0x18/0x30 [ 241.461440] ? kvm_sched_clock_read+0x9/0x20 [ 241.465854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.471393] ? check_preemption_disabled+0x48/0x280 [ 241.476422] irq_exit+0x17f/0x1c0 [ 241.479878] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.484718] ? smp_reschedule_interrupt+0x109/0x650 [ 241.489737] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.495798] ? interrupt_entry+0xb5/0xc0 [ 241.499860] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.504874] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.509892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.514739] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.519756] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.524780] ? task_prio+0x50/0x50 [ 241.528320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.533858] ? check_preemption_disabled+0x48/0x280 [ 241.538879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.543742] apic_timer_interrupt+0xf/0x20 [ 241.547978] [ 241.550224] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 241.555429] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 241.574359] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.582097] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 241.589366] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 241.596651] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 241.603923] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 241.611194] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 241.618512] rcu_read_lock_held+0xa9/0xc0 [ 241.622660] css_next_child+0x2a2/0x620 [ 241.626644] ? cgroup_mount+0xd30/0xd30 [ 241.630622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.636165] ? check_preemption_disabled+0x48/0x280 [ 241.641590] ? __lock_is_held+0xb5/0x140 [ 241.645681] css_next_descendant_pre+0xeb/0x190 [ 241.650358] mem_cgroup_iter+0x42f/0x1160 [ 241.654510] ? kasan_check_write+0x14/0x20 [ 241.658751] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 241.663513] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.668541] ? shrink_slab+0xfa/0x8c0 [ 241.672353] ? shrink_active_list+0x1f00/0x1f00 [ 241.677029] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 241.682661] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.687775] ? cgroup_procs_write_finish+0xf0/0xf0 [ 241.692710] ? find_held_lock+0x36/0x1c0 [ 241.696780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.702331] ? vmpressure+0x1a2/0x340 [ 241.706135] shrink_node+0x516/0x16b0 [ 241.709941] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 241.715256] ? shrink_node_memcg+0x18f0/0x18f0 [ 241.719848] ? kvm_clock_read+0x18/0x30 [ 241.723825] ? ktime_get+0x2c1/0x400 [ 241.727543] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 241.732041] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 241.737581] ? __cpuset_node_allowed+0x19b/0x660 [ 241.742339] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 241.748054] ? delayacct_end+0x5a/0x100 [ 241.752046] do_try_to_free_pages+0x3e7/0x1290 [ 241.756627] ? zap_class+0x640/0x640 [ 241.760357] ? shrink_node+0x16b0/0x16b0 [ 241.764419] ? __lock_is_held+0xb5/0x140 [ 241.768496] try_to_free_pages+0x4d0/0xb90 [ 241.772740] ? do_try_to_free_pages+0x1290/0x1290 [ 241.777684] ? lock_acquire+0x1ed/0x520 [ 241.781658] ? set_page_refcounted+0x280/0x280 [ 241.786255] ? lock_release+0xa00/0xa00 [ 241.790238] ? _raw_spin_unlock_irq+0x60/0x80 [ 241.794825] ? psi_memstall_enter+0x240/0x2b0 [ 241.799325] ? psi_memstall_tick+0x230/0x230 [ 241.803750] __alloc_pages_slowpath+0xa14/0x2e10 [ 241.809151] ? warn_alloc+0x120/0x120 [ 241.812953] ? mark_held_locks+0x130/0x130 [ 241.817192] ? find_get_entry+0xaae/0x1120 [ 241.821445] ? filemap_map_pages+0x1a20/0x1a20 [ 241.826036] ? zap_class+0x640/0x640 [ 241.829761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.835302] ? check_preemption_disabled+0x48/0x280 [ 241.840319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.845897] ? should_fail+0x22d/0xd01 [ 241.849789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.854896] ? zap_class+0x640/0x640 [ 241.858637] ? __lock_is_held+0xb5/0x140 [ 241.862707] ? mark_held_locks+0x130/0x130 [ 241.866954] ? lock_release+0xa00/0xa00 [ 241.870930] ? perf_trace_sched_process_exec+0x860/0x860 [ 241.876383] ? xa_load+0x2ba/0x460 [ 241.879925] ? lock_downgrade+0x900/0x900 [ 241.884083] ? __might_sleep+0x95/0x190 [ 241.888074] __alloc_pages_nodemask+0xa80/0xde0 [ 241.892753] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 241.897780] ? __page_cache_alloc+0x191/0x5c0 [ 241.902277] ? xa_load+0x2e1/0x460 [ 241.905822] ? xa_clear_mark+0x40/0x40 [ 241.909710] ? zap_class+0x640/0x640 [ 241.913438] ? zap_class+0x640/0x640 [ 241.917252] ? zap_class+0x640/0x640 [ 241.921054] ? __do_page_cache_readahead+0x663/0x810 [ 241.926161] ? find_held_lock+0x36/0x1c0 [ 241.930238] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 241.935780] alloc_pages_current+0x173/0x350 [ 241.940193] __page_cache_alloc+0x38c/0x5c0 [ 241.944526] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 241.949456] ? kasan_check_read+0x11/0x20 [ 241.953609] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 241.958896] ? generic_perform_write+0x6a0/0x6a0 [ 241.963653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.969192] ? check_preemption_disabled+0x48/0x280 [ 241.974239] filemap_fault+0x1595/0x25f0 [ 241.978324] ? __lock_page_or_retry+0xa00/0xa00 [ 241.983024] ? mark_held_locks+0x130/0x130 [ 241.987274] ? filemap_map_pages+0xd6b/0x1a20 [ 241.991808] ? lock_downgrade+0x900/0x900 [ 241.995956] ? check_preemption_disabled+0x48/0x280 [ 242.000975] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 242.005907] ? kasan_check_read+0x11/0x20 [ 242.010060] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 242.015338] ? rcu_softirq_qs+0x20/0x20 [ 242.019324] ? filemap_map_pages+0xd92/0x1a20 [ 242.023827] ? print_usage_bug+0xc0/0xc0 [ 242.027909] ? find_get_entries_tag+0x1400/0x1400 [ 242.032756] ? __kasan_slab_free+0x102/0x150 [ 242.037167] ? kasan_slab_free+0xe/0x10 [ 242.041154] ? kmem_cache_free+0x83/0x290 [ 242.045305] ? __sigqueue_free.part.29+0x74/0x90 [ 242.050109] ? lock_acquire+0x1ed/0x520 [ 242.054084] ? ext4_filemap_fault+0x7a/0xad [ 242.058418] ? lock_release+0xa00/0xa00 [ 242.062390] ? perf_trace_sched_process_exec+0x860/0x860 [ 242.067843] ? print_usage_bug+0xc0/0xc0 [ 242.071904] ? print_usage_bug+0xc0/0xc0 [ 242.075975] ? down_read+0x8d/0x120 [ 242.079601] ? ext4_filemap_fault+0x7a/0xad [ 242.083927] ? __down_interruptible+0x700/0x700 [ 242.088604] ext4_filemap_fault+0x82/0xad [ 242.092755] __do_fault+0x100/0x6b0 [ 242.096389] ? pmd_devmap_trans_unstable+0x220/0x220 [ 242.101499] ? mark_held_locks+0x130/0x130 [ 242.105740] ? mark_held_locks+0x130/0x130 [ 242.109975] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 242.115517] ? rcu_pm_notify+0xc0/0xc0 [ 242.119426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.124968] __handle_mm_fault+0x3ea0/0x5be0 [ 242.129384] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 242.134224] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.138737] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 242.143321] ? trace_hardirqs_on+0xbd/0x310 [ 242.147644] ? kasan_check_read+0x11/0x20 [ 242.151803] ? __set_current_blocked+0xdf/0x120 [ 242.156476] ? trace_hardirqs_off_caller+0x310/0x310 [ 242.161595] ? zap_class+0x640/0x640 [ 242.165308] ? zap_class+0x640/0x640 [ 242.169029] ? find_held_lock+0x36/0x1c0 [ 242.173101] ? handle_mm_fault+0x42a/0xc70 [ 242.177337] ? lock_downgrade+0x900/0x900 [ 242.181484] ? check_preemption_disabled+0x48/0x280 [ 242.186504] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 242.191442] ? kasan_check_read+0x11/0x20 [ 242.195588] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 242.200865] ? rcu_softirq_qs+0x20/0x20 [ 242.204837] ? trace_hardirqs_off_caller+0x310/0x310 [ 242.209944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.215746] ? check_preemption_disabled+0x48/0x280 [ 242.220772] handle_mm_fault+0x54f/0xc70 [ 242.224842] ? __handle_mm_fault+0x5be0/0x5be0 [ 242.229427] ? find_vma+0x34/0x190 [ 242.232972] __do_page_fault+0x5e8/0xe60 [ 242.237035] ? exit_to_usermode_loop+0x1f4/0x380 [ 242.241802] do_page_fault+0xf2/0x7e0 [ 242.245606] ? vmalloc_sync_all+0x30/0x30 [ 242.249755] ? error_entry+0x70/0xd0 [ 242.253472] ? trace_hardirqs_off_caller+0xbb/0x310 [ 242.258487] ? trace_hardirqs_on_caller+0xc0/0x310 [ 242.263416] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.268385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.273237] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.278254] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.283969] ? prepare_exit_to_usermode+0x291/0x3b0 [ 242.288996] ? page_fault+0x8/0x30 [ 242.292540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.297384] ? page_fault+0x8/0x30 [ 242.300924] page_fault+0x1e/0x30 [ 242.304382] RIP: 0033:0x45db60 [ 242.307586] Code: Bad RIP value. [ 242.310947] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 242.316311] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 242.323583] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 242.330853] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 242.338123] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 242.345391] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 242.352683] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 242.352750] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.359439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.359447] Call Trace: [ 242.366005] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.375281] dump_stack+0x244/0x39d [ 242.377838] syz-fuzzer cpuset=/ mems_allowed=0 [ 242.388063] ? dump_stack_print_info.cold.1+0x20/0x20 [ 242.401433] warn_alloc.cold.116+0xb7/0x1bd [ 242.405762] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.410608] ? lock_downgrade+0x900/0x900 [ 242.414764] ? trace_hardirqs_off+0xb8/0x310 [ 242.419196] ? trace_hardirqs_off+0xb8/0x310 [ 242.423614] __alloc_pages_slowpath+0x26e8/0x2e10 [ 242.428485] ? warn_alloc+0x120/0x120 [ 242.432287] ? print_usage_bug+0xc0/0xc0 [ 242.436354] ? warn_alloc+0x120/0x120 [ 242.440173] ? warn_alloc+0x120/0x120 [ 242.443980] ? print_usage_bug+0xc0/0xc0 [ 242.448048] ? print_usage_bug+0xc0/0xc0 [ 242.452110] ? __lock_acquire+0x62f/0x4c20 [ 242.456351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.461897] ? should_fail+0x22d/0xd01 [ 242.465793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.470897] ? __lock_acquire+0x62f/0x4c20 [ 242.475137] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.480256] ? __lock_acquire+0x62f/0x4c20 [ 242.484492] ? should_fail+0x22d/0xd01 [ 242.488384] ? find_held_lock+0x36/0x1c0 [ 242.492453] ? mark_held_locks+0x130/0x130 [ 242.496693] ? mark_held_locks+0x130/0x130 [ 242.500924] ? zap_class+0x640/0x640 [ 242.504639] ? zap_class+0x640/0x640 [ 242.508359] ? print_usage_bug+0xc0/0xc0 [ 242.512442] ? do_raw_spin_unlock+0xa7/0x330 [ 242.516852] ? zap_class+0x640/0x640 [ 242.520571] ? print_usage_bug+0xc0/0xc0 [ 242.524629] ? wq_watchdog_touch+0x9c/0xfe [ 242.528872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.534409] ? check_preemption_disabled+0x48/0x280 [ 242.539433] ? __lock_is_held+0xb5/0x140 [ 242.543504] __alloc_pages_nodemask+0xa80/0xde0 [ 242.548188] ? zap_class+0x640/0x640 [ 242.551906] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 242.556929] ? find_held_lock+0x36/0x1c0 [ 242.561001] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.565670] ? lock_downgrade+0x900/0x900 [ 242.569828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.575373] cache_grow_begin+0xa5/0x8c0 [ 242.579469] ? do_raw_spin_unlock+0xa7/0x330 [ 242.583885] fallback_alloc+0x204/0x2e0 [ 242.587863] ____cache_alloc_node+0x1c7/0x1e0 [ 242.592369] kmem_cache_alloc_node+0xe3/0x730 [ 242.596877] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.601127] __alloc_skb+0x119/0x770 [ 242.604849] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 242.610133] ? netdev_alloc_frag+0x1f0/0x1f0 [ 242.614555] ? lock_downgrade+0x900/0x900 [ 242.618714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.624253] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.629712] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.635180] ? addrconf_rs_timer+0x690/0x690 [ 242.639601] ndisc_alloc_skb+0x144/0x340 [ 242.643665] ndisc_send_rs+0x331/0x6e0 [ 242.647557] addrconf_rs_timer+0x314/0x690 [ 242.651803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.656047] call_timer_fn+0x272/0x920 [ 242.659945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.664185] ? process_timeout+0x40/0x40 [ 242.668257] ? __run_timers+0x7da/0xc70 [ 242.672232] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.676724] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.681221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.685458] ? lockdep_hardirqs_on+0x296/0x5b0 [ 242.690046] ? trace_hardirqs_on+0xbd/0x310 [ 242.694366] ? kasan_check_read+0x11/0x20 [ 242.698514] ? __run_timers+0x7da/0xc70 [ 242.702490] ? trace_hardirqs_off_caller+0x310/0x310 [ 242.707596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.711837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.716072] __run_timers+0x7e5/0xc70 [ 242.719883] ? timer_fixup_init+0x70/0x70 [ 242.724033] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.728535] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.733035] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 242.737621] ? trace_hardirqs_on+0xbd/0x310 [ 242.741964] ? kasan_check_read+0x11/0x20 [ 242.746116] ? finish_task_switch+0x1f4/0x910 [ 242.750626] ? trace_hardirqs_off_caller+0x310/0x310 [ 242.755732] ? compat_start_thread+0x80/0x80 [ 242.760174] ? pvclock_read_flags+0x160/0x160 [ 242.764666] ? __switch_to_asm+0x34/0x70 [ 242.768730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.774267] ? check_preemption_disabled+0x48/0x280 [ 242.779291] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 242.784830] ? rcu_pm_notify+0xc0/0xc0 [ 242.788723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.794263] ? check_preemption_disabled+0x48/0x280 [ 242.799289] run_timer_softirq+0x52/0xb0 [ 242.803350] ? rcu_read_lock_sched_held+0x14f/0x180 [ 242.808365] __do_softirq+0x308/0xb7e [ 242.812185] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 242.817295] ? smpboot_thread_fn+0x334/0xa00 [ 242.821709] ? schedule+0x108/0x460 [ 242.825335] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.830098] ? trace_hardirqs_off+0xb8/0x310 [ 242.834521] ? smpboot_thread_fn+0x68b/0xa00 [ 242.838929] ? trace_hardirqs_on+0x310/0x310 [ 242.843341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.848876] ? check_preemption_disabled+0x48/0x280 [ 242.853892] ? takeover_tasklets+0xa90/0xa90 [ 242.858301] run_ksoftirqd+0x5e/0x100 [ 242.862102] smpboot_thread_fn+0x68b/0xa00 [ 242.866353] ? sort_range+0x30/0x30 [ 242.869982] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.875105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.880653] ? __kthread_parkme+0xfb/0x1a0 [ 242.884899] ? sort_range+0x30/0x30 [ 242.888528] kthread+0x35a/0x440 [ 242.891898] ? kthread_stop+0x900/0x900 [ 242.896049] ret_from_fork+0x3a/0x50 [ 242.899773] warn_alloc_show_mem: 1 callbacks suppressed [ 242.899783] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 242.899784] Mem-Info: [ 242.899815] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 242.899815] active_file:12 inactive_file:11 isolated_file:0 [ 242.899815] unevictable:0 dirty:0 writeback:0 unstable:0 [ 242.899815] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 242.899815] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 242.899815] free:13782 free_pcp:358 free_cma:0 [ 242.905153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.912089] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 242.914483] Call Trace: [ 242.947345] 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 [ 242.956692] [ 242.984171] lowmem_reserve[]: 0 2818 6321 6321 [ 242.986755] dump_stack+0x244/0x39d [ 243.012841] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 243.014996] ? dump_stack_print_info.cold.1+0x20/0x20 [ 243.019560] lowmem_reserve[]: 0 0 3503 3503 [ 243.023191] warn_alloc.cold.116+0xb7/0x1bd [ 243.050919] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 243.056117] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.060407] lowmem_reserve[]: 0 0 0 0 [ 243.064731] ? lock_downgrade+0x900/0x900 [ 243.093679] 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 [ 243.098525] ? trace_hardirqs_off+0xb8/0x310 [ 243.102294] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 243.106497] ? trace_hardirqs_off+0xb8/0x310 [ 243.119988] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 243.124408] __alloc_pages_slowpath+0x26e8/0x2e10 [ 243.139559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 243.143978] ? warn_alloc+0x120/0x120 [ 243.158851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 243.163683] ? print_usage_bug+0xc0/0xc0 [ 243.172487] 266 total pagecache pages [ 243.172502] 0 pages in swap cache [ 243.176288] ? warn_alloc+0x120/0x120 [ 243.184839] Swap cache stats: add 0, delete 0, find 0/0 [ 243.184847] Free swap = 0kB [ 243.188903] ? warn_alloc+0x120/0x120 [ 243.192681] Total swap = 0kB [ 243.196140] ? print_usage_bug+0xc0/0xc0 [ 243.199920] 1965979 pages RAM [ 243.205274] ? kvm_clock_read+0x18/0x30 [ 243.208275] 0 pages HighMem/MovableOnly [ 243.212070] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 243.215065] 342854 pages reserved [ 243.219127] ? print_usage_bug+0xc0/0xc0 [ 243.222213] 0 pages cma reserved [ 243.226180] ? __lock_acquire+0x62f/0x4c20 [ 243.230218] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.235156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.235169] ? should_fail+0x22d/0xd01 [ 243.235184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 243.238664] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.242681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.246025] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 243.250258] ? __lock_acquire+0x62f/0x4c20 [ 243.295807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.300910] ? __lock_acquire+0x62f/0x4c20 [ 243.305149] ? should_fail+0x22d/0xd01 [ 243.309034] ? rcu_irq_exit+0x1a2/0x390 [ 243.313018] ? mark_held_locks+0x130/0x130 [ 243.317257] ? mark_held_locks+0x130/0x130 [ 243.321499] ? mark_held_locks+0xc7/0x130 [ 243.325647] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 243.330663] ? zap_class+0x640/0x640 [ 243.334376] ? print_usage_bug+0xc0/0xc0 [ 243.338444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.343983] ? check_preemption_disabled+0x48/0x280 [ 243.349011] ? __lock_is_held+0xb5/0x140 [ 243.353090] __alloc_pages_nodemask+0xa80/0xde0 [ 243.357761] ? zap_class+0x640/0x640 [ 243.361482] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 243.366507] ? find_held_lock+0x36/0x1c0 [ 243.370578] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.375256] ? lock_downgrade+0x900/0x900 [ 243.379413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.384992] cache_grow_begin+0xa5/0x8c0 [ 243.389053] ? do_raw_spin_unlock+0xa7/0x330 [ 243.393478] fallback_alloc+0x204/0x2e0 [ 243.397459] ____cache_alloc_node+0x1c7/0x1e0 [ 243.401962] kmem_cache_alloc_node+0xe3/0x730 [ 243.406458] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.410706] __alloc_skb+0x119/0x770 [ 243.414422] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 243.419704] ? netdev_alloc_frag+0x1f0/0x1f0 [ 243.424115] ? lock_downgrade+0x900/0x900 [ 243.428272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.433813] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.439279] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.444728] ? addrconf_rs_timer+0x690/0x690 [ 243.449146] ndisc_alloc_skb+0x144/0x340 [ 243.453300] ndisc_send_rs+0x331/0x6e0 [ 243.457194] addrconf_rs_timer+0x314/0x690 [ 243.461437] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.465683] call_timer_fn+0x272/0x920 [ 243.469569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.473811] ? process_timeout+0x40/0x40 [ 243.477881] ? mark_held_locks+0xc7/0x130 [ 243.482029] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.486528] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.491026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.495261] ? lockdep_hardirqs_on+0x296/0x5b0 [ 243.499844] ? trace_hardirqs_on+0xbd/0x310 [ 243.504164] ? kasan_check_read+0x11/0x20 [ 243.508315] ? __run_timers+0x7da/0xc70 [ 243.512289] ? trace_hardirqs_off_caller+0x310/0x310 [ 243.517395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.521635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.525876] __run_timers+0x7e5/0xc70 [ 243.529688] ? timer_fixup_init+0x70/0x70 [ 243.533836] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.538856] ? zap_class+0x640/0x640 [ 243.542583] ? print_usage_bug+0xc0/0xc0 [ 243.546648] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.551850] ? find_held_lock+0x36/0x1c0 [ 243.555926] ? zap_class+0x640/0x640 [ 243.559648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.565188] ? check_preemption_disabled+0x48/0x280 [ 243.570212] ? __lock_is_held+0xb5/0x140 [ 243.574276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.579813] ? check_preemption_disabled+0x48/0x280 [ 243.584837] run_timer_softirq+0x52/0xb0 [ 243.588897] ? rcu_read_lock_sched_held+0x14f/0x180 [ 243.593916] __do_softirq+0x308/0xb7e [ 243.597720] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 243.602214] ? lock_downgrade+0x900/0x900 [ 243.606365] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 243.611476] ? pvclock_read_flags+0x160/0x160 [ 243.616076] ? lapic_next_event+0x5a/0x90 [ 243.620240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.625786] ? kvm_clock_read+0x18/0x30 [ 243.629780] ? kvm_sched_clock_read+0x9/0x20 [ 243.634196] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.640157] ? check_preemption_disabled+0x48/0x280 [ 243.645185] irq_exit+0x17f/0x1c0 [ 243.648644] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.653487] ? smp_reschedule_interrupt+0x109/0x650 [ 243.658509] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.664390] ? interrupt_entry+0xb5/0xc0 [ 243.668545] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.673560] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.678580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.683429] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.688450] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.693465] ? task_prio+0x50/0x50 [ 243.697098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.702638] ? check_preemption_disabled+0x48/0x280 [ 243.707661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.712512] apic_timer_interrupt+0xf/0x20 [ 243.716828] [ 243.719079] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 243.724099] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 243.743029] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 243.750750] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 243.758018] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 243.765300] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 243.772598] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 243.779869] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 243.787171] rcu_read_lock_held+0xa9/0xc0 [ 243.791325] css_next_child+0x2a2/0x620 [ 243.795316] ? cgroup_mount+0xd30/0xd30 [ 243.799294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.805371] ? check_preemption_disabled+0x48/0x280 [ 243.810414] ? __lock_is_held+0xb5/0x140 [ 243.814504] css_next_descendant_pre+0xeb/0x190 [ 243.819177] mem_cgroup_iter+0x42f/0x1160 [ 243.823328] ? kasan_check_write+0x14/0x20 [ 243.827577] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 243.832332] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.837353] ? shrink_slab+0xfa/0x8c0 [ 243.841165] ? shrink_active_list+0x1f00/0x1f00 [ 243.845841] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 243.851475] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 243.856591] ? cgroup_procs_write_finish+0xf0/0xf0 [ 243.861529] ? find_held_lock+0x36/0x1c0 [ 243.865594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.871133] ? vmpressure+0x1a2/0x340 [ 243.874941] shrink_node+0x516/0x16b0 [ 243.878744] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 243.884065] ? shrink_node_memcg+0x18f0/0x18f0 [ 243.888744] ? kvm_clock_read+0x18/0x30 [ 243.892730] ? ktime_get+0x2c1/0x400 [ 243.896449] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 243.900947] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 243.906484] ? __cpuset_node_allowed+0x19b/0x660 [ 243.911246] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 243.916959] ? delayacct_end+0x5a/0x100 [ 243.920946] do_try_to_free_pages+0x3e7/0x1290 [ 243.925529] ? zap_class+0x640/0x640 [ 243.929263] ? shrink_node+0x16b0/0x16b0 [ 243.933327] ? __lock_is_held+0xb5/0x140 [ 243.937403] try_to_free_pages+0x4d0/0xb90 [ 243.941647] ? do_try_to_free_pages+0x1290/0x1290 [ 243.946502] ? lock_acquire+0x1ed/0x520 [ 243.950475] ? set_page_refcounted+0x280/0x280 [ 243.955071] ? lock_release+0xa00/0xa00 [ 243.959059] ? _raw_spin_unlock_irq+0x60/0x80 [ 243.963554] ? psi_memstall_enter+0x240/0x2b0 [ 243.968065] ? psi_memstall_tick+0x230/0x230 [ 243.972489] __alloc_pages_slowpath+0xa14/0x2e10 [ 243.977274] ? warn_alloc+0x120/0x120 [ 243.981077] ? mark_held_locks+0x130/0x130 [ 243.985316] ? find_get_entry+0xaae/0x1120 [ 243.989567] ? filemap_map_pages+0x1a20/0x1a20 [ 243.994157] ? zap_class+0x640/0x640 [ 243.997889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.003429] ? check_preemption_disabled+0x48/0x280 [ 244.008450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.013993] ? should_fail+0x22d/0xd01 [ 244.017903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.023013] ? zap_class+0x640/0x640 [ 244.026764] ? __lock_is_held+0xb5/0x140 [ 244.030837] ? mark_held_locks+0x130/0x130 [ 244.035083] ? lock_release+0xa00/0xa00 [ 244.039062] ? perf_trace_sched_process_exec+0x860/0x860 [ 244.044517] ? xa_load+0x2ba/0x460 [ 244.048068] ? lock_downgrade+0x900/0x900 [ 244.052227] ? __might_sleep+0x95/0x190 [ 244.056207] __alloc_pages_nodemask+0xa80/0xde0 [ 244.060886] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 244.065907] ? __page_cache_alloc+0x191/0x5c0 [ 244.070403] ? xa_load+0x2e1/0x460 [ 244.073957] ? xa_clear_mark+0x40/0x40 [ 244.077849] ? zap_class+0x640/0x640 [ 244.081573] ? zap_class+0x640/0x640 [ 244.085288] ? zap_class+0x640/0x640 [ 244.089000] ? __do_page_cache_readahead+0x663/0x810 [ 244.094118] ? find_held_lock+0x36/0x1c0 [ 244.098186] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 244.103734] alloc_pages_current+0x173/0x350 [ 244.108167] __page_cache_alloc+0x38c/0x5c0 [ 244.112491] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 244.117454] ? kasan_check_read+0x11/0x20 [ 244.121604] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 244.126888] ? generic_perform_write+0x6a0/0x6a0 [ 244.131650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.137191] ? check_preemption_disabled+0x48/0x280 [ 244.142215] filemap_fault+0x1595/0x25f0 [ 244.146287] ? __lock_page_or_retry+0xa00/0xa00 [ 244.150961] ? mark_held_locks+0x130/0x130 [ 244.155211] ? filemap_map_pages+0xd6b/0x1a20 [ 244.159706] ? lock_downgrade+0x900/0x900 [ 244.163854] ? check_preemption_disabled+0x48/0x280 [ 244.168871] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 244.173798] ? kasan_check_read+0x11/0x20 [ 244.177945] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 244.183221] ? rcu_softirq_qs+0x20/0x20 [ 244.187210] ? filemap_map_pages+0xd92/0x1a20 [ 244.191708] ? print_usage_bug+0xc0/0xc0 [ 244.195774] ? find_get_entries_tag+0x1400/0x1400 [ 244.200618] ? __kasan_slab_free+0x102/0x150 [ 244.205059] ? kasan_slab_free+0xe/0x10 [ 244.209041] ? kmem_cache_free+0x83/0x290 [ 244.213221] ? __sigqueue_free.part.29+0x74/0x90 [ 244.217995] ? lock_acquire+0x1ed/0x520 [ 244.221981] ? ext4_filemap_fault+0x7a/0xad [ 244.226321] ? lock_release+0xa00/0xa00 [ 244.230295] ? perf_trace_sched_process_exec+0x860/0x860 [ 244.235749] ? print_usage_bug+0xc0/0xc0 [ 244.239811] ? print_usage_bug+0xc0/0xc0 [ 244.243886] ? down_read+0x8d/0x120 [ 244.247511] ? ext4_filemap_fault+0x7a/0xad [ 244.251837] ? __down_interruptible+0x700/0x700 [ 244.256518] ext4_filemap_fault+0x82/0xad [ 244.260675] __do_fault+0x100/0x6b0 [ 244.264306] ? pmd_devmap_trans_unstable+0x220/0x220 [ 244.269418] ? mark_held_locks+0x130/0x130 [ 244.273659] ? mark_held_locks+0x130/0x130 [ 244.277935] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 244.283474] ? rcu_pm_notify+0xc0/0xc0 [ 244.287366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.292915] __handle_mm_fault+0x3ea0/0x5be0 [ 244.297332] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 244.302172] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.306669] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 244.311256] ? trace_hardirqs_on+0xbd/0x310 [ 244.315577] ? kasan_check_read+0x11/0x20 [ 244.319725] ? __set_current_blocked+0xdf/0x120 [ 244.324398] ? trace_hardirqs_off_caller+0x310/0x310 [ 244.329512] ? zap_class+0x640/0x640 [ 244.333238] ? zap_class+0x640/0x640 [ 244.336960] ? find_held_lock+0x36/0x1c0 [ 244.341044] ? handle_mm_fault+0x42a/0xc70 [ 244.345282] ? lock_downgrade+0x900/0x900 [ 244.349429] ? check_preemption_disabled+0x48/0x280 [ 244.354447] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 244.359378] ? kasan_check_read+0x11/0x20 [ 244.363536] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 244.368817] ? rcu_softirq_qs+0x20/0x20 [ 244.372832] ? trace_hardirqs_off_caller+0x310/0x310 [ 244.377935] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.383499] ? check_preemption_disabled+0x48/0x280 [ 244.388542] handle_mm_fault+0x54f/0xc70 [ 244.392608] ? __handle_mm_fault+0x5be0/0x5be0 [ 244.397195] ? find_vma+0x34/0x190 [ 244.400741] __do_page_fault+0x5e8/0xe60 [ 244.404805] ? exit_to_usermode_loop+0x1f4/0x380 [ 244.409569] do_page_fault+0xf2/0x7e0 [ 244.413370] ? vmalloc_sync_all+0x30/0x30 [ 244.417524] ? error_entry+0x70/0xd0 [ 244.421243] ? trace_hardirqs_off_caller+0xbb/0x310 [ 244.426261] ? trace_hardirqs_on_caller+0xc0/0x310 [ 244.431197] ? syscall_return_slowpath+0x5e0/0x5e0 [ 244.436128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.440974] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.446016] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.451483] ? prepare_exit_to_usermode+0x291/0x3b0 [ 244.456502] ? page_fault+0x8/0x30 [ 244.460051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.464895] ? page_fault+0x8/0x30 [ 244.468439] page_fault+0x1e/0x30 [ 244.471890] RIP: 0033:0x45db60 [ 244.475094] Code: Bad RIP value. [ 244.478459] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 244.483820] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 244.491088] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 244.498364] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 244.505631] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 244.512907] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 244.520298] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 244.520367] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.527053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.527058] Call Trace: [ 244.527078] dump_stack+0x244/0x39d [ 244.527096] ? dump_stack_print_info.cold.1+0x20/0x20 [ 244.533644] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.542933] warn_alloc.cold.116+0xb7/0x1bd [ 244.545486] syz-fuzzer cpuset=/ mems_allowed=0 [ 244.549107] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.578383] ? lock_downgrade+0x900/0x900 [ 244.582540] ? trace_hardirqs_off+0xb8/0x310 [ 244.587052] ? trace_hardirqs_off+0xb8/0x310 [ 244.591467] __alloc_pages_slowpath+0x26e8/0x2e10 [ 244.596340] ? warn_alloc+0x120/0x120 [ 244.600141] ? print_usage_bug+0xc0/0xc0 [ 244.604208] ? warn_alloc+0x120/0x120 [ 244.608024] ? warn_alloc+0x120/0x120 [ 244.611830] ? print_usage_bug+0xc0/0xc0 [ 244.615893] ? print_usage_bug+0xc0/0xc0 [ 244.619963] ? __lock_acquire+0x62f/0x4c20 [ 244.624220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.629759] ? should_fail+0x22d/0xd01 [ 244.633651] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.638756] ? __lock_acquire+0x62f/0x4c20 [ 244.643047] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.648168] ? __lock_acquire+0x62f/0x4c20 [ 244.652406] ? should_fail+0x22d/0xd01 [ 244.656290] ? find_held_lock+0x36/0x1c0 [ 244.660356] ? mark_held_locks+0x130/0x130 [ 244.664599] ? mark_held_locks+0x130/0x130 [ 244.668835] ? zap_class+0x640/0x640 [ 244.672555] ? zap_class+0x640/0x640 [ 244.676272] ? print_usage_bug+0xc0/0xc0 [ 244.680329] ? do_raw_spin_unlock+0xa7/0x330 [ 244.684739] ? zap_class+0x640/0x640 [ 244.688465] ? print_usage_bug+0xc0/0xc0 [ 244.692532] ? wq_watchdog_touch+0x9c/0xfe [ 244.696771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.702407] ? check_preemption_disabled+0x48/0x280 [ 244.707432] ? __lock_is_held+0xb5/0x140 [ 244.711503] __alloc_pages_nodemask+0xa80/0xde0 [ 244.716176] ? zap_class+0x640/0x640 [ 244.719894] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 244.724920] ? find_held_lock+0x36/0x1c0 [ 244.729008] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.733766] ? lock_downgrade+0x900/0x900 [ 244.737923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.743463] cache_grow_begin+0xa5/0x8c0 [ 244.747533] ? do_raw_spin_unlock+0xa7/0x330 [ 244.751948] fallback_alloc+0x204/0x2e0 [ 244.755944] ____cache_alloc_node+0x1c7/0x1e0 [ 244.760460] kmem_cache_alloc_node+0xe3/0x730 [ 244.765000] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.769245] __alloc_skb+0x119/0x770 [ 244.772976] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 244.778262] ? netdev_alloc_frag+0x1f0/0x1f0 [ 244.782671] ? lock_downgrade+0x900/0x900 [ 244.786826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.792364] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.797818] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.803268] ? addrconf_rs_timer+0x690/0x690 [ 244.807685] ndisc_alloc_skb+0x144/0x340 [ 244.811749] ndisc_send_rs+0x331/0x6e0 [ 244.815657] addrconf_rs_timer+0x314/0x690 [ 244.819897] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.824142] call_timer_fn+0x272/0x920 [ 244.828029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.832264] ? process_timeout+0x40/0x40 [ 244.836766] ? __run_timers+0x7da/0xc70 [ 244.840745] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.845243] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.849737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.853991] ? lockdep_hardirqs_on+0x296/0x5b0 [ 244.858576] ? trace_hardirqs_on+0xbd/0x310 [ 244.862896] ? kasan_check_read+0x11/0x20 [ 244.867042] ? __run_timers+0x7da/0xc70 [ 244.871018] ? trace_hardirqs_off_caller+0x310/0x310 [ 244.876126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.880368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.884604] __run_timers+0x7e5/0xc70 [ 244.888417] ? timer_fixup_init+0x70/0x70 [ 244.892564] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.897058] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.901557] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 244.906138] ? trace_hardirqs_on+0xbd/0x310 [ 244.910458] ? kasan_check_read+0x11/0x20 [ 244.914613] ? finish_task_switch+0x1f4/0x910 [ 244.919111] ? trace_hardirqs_off_caller+0x310/0x310 [ 244.924212] ? compat_start_thread+0x80/0x80 [ 244.928642] ? pvclock_read_flags+0x160/0x160 [ 244.933137] ? __switch_to_asm+0x34/0x70 [ 244.937198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.942735] ? check_preemption_disabled+0x48/0x280 [ 244.947758] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 244.953301] ? rcu_pm_notify+0xc0/0xc0 [ 244.957201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.962739] ? check_preemption_disabled+0x48/0x280 [ 244.967758] run_timer_softirq+0x52/0xb0 [ 244.971822] ? rcu_read_lock_sched_held+0x14f/0x180 [ 244.976836] __do_softirq+0x308/0xb7e [ 244.980644] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 244.985747] ? smpboot_thread_fn+0x334/0xa00 [ 244.990163] ? schedule+0x108/0x460 [ 244.993793] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.998560] ? trace_hardirqs_off+0xb8/0x310 [ 245.002986] ? smpboot_thread_fn+0x68b/0xa00 [ 245.007394] ? trace_hardirqs_on+0x310/0x310 [ 245.011805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.017346] ? check_preemption_disabled+0x48/0x280 [ 245.022367] ? takeover_tasklets+0xa90/0xa90 [ 245.026777] run_ksoftirqd+0x5e/0x100 [ 245.030577] smpboot_thread_fn+0x68b/0xa00 [ 245.034813] ? sort_range+0x30/0x30 [ 245.038438] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.043543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.049082] ? __kthread_parkme+0xfb/0x1a0 [ 245.053319] ? sort_range+0x30/0x30 [ 245.056957] kthread+0x35a/0x440 [ 245.060415] ? kthread_stop+0x900/0x900 [ 245.064388] ret_from_fork+0x3a/0x50 [ 245.068133] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 245.068138] warn_alloc_show_mem: 1 callbacks suppressed [ 245.068144] Mem-Info: [ 245.075063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.080428] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 245.080428] active_file:12 inactive_file:11 isolated_file:0 [ 245.080428] unevictable:0 dirty:0 writeback:0 unstable:0 [ 245.080428] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 245.080428] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 245.080428] free:13782 free_pcp:358 free_cma:0 [ 245.082803] Call Trace: [ 245.092183] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 245.127403] [ 245.129975] 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 [ 245.157474] dump_stack+0x244/0x39d [ 245.159600] lowmem_reserve[]: 0 2818 6321 6321 [ 245.185706] ? dump_stack_print_info.cold.1+0x20/0x20 [ 245.189309] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 245.193894] warn_alloc.cold.116+0xb7/0x1bd [ 245.199057] lowmem_reserve[]: 0 0 3503 3503 [ 245.226722] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.231021] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 245.235339] ? lock_downgrade+0x900/0x900 [ 245.240159] lowmem_reserve[]: 0 0 0 0 [ 245.269309] ? trace_hardirqs_off+0xb8/0x310 [ 245.273431] 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 [ 245.277236] ? trace_hardirqs_off+0xb8/0x310 [ 245.281629] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 245.295152] __alloc_pages_slowpath+0x26e8/0x2e10 [ 245.299528] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 245.315152] ? warn_alloc+0x120/0x120 [ 245.319956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 245.334852] ? print_usage_bug+0xc0/0xc0 [ 245.338635] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 245.347462] ? warn_alloc+0x120/0x120 [ 245.351499] 266 total pagecache pages [ 245.360066] ? warn_alloc+0x120/0x120 [ 245.363949] 0 pages in swap cache [ 245.367733] ? print_usage_bug+0xc0/0xc0 [ 245.371512] Swap cache stats: add 0, delete 0, find 0/0 [ 245.374956] ? kvm_clock_read+0x18/0x30 [ 245.378994] Free swap = 0kB [ 245.384350] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 245.388342] Total swap = 0kB [ 245.391353] ? print_usage_bug+0xc0/0xc0 [ 245.396381] 1965979 pages RAM [ 245.399393] ? __lock_acquire+0x62f/0x4c20 [ 245.403431] 0 pages HighMem/MovableOnly [ 245.406537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.410747] 342854 pages reserved [ 245.414717] ? should_fail+0x22d/0xd01 [ 245.420225] 0 pages cma reserved [ 245.420301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.423677] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 245.423694] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.423709] ? __lock_acquire+0x62f/0x4c20 [ 245.427631] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.430978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.437448] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 245.442732] ? __lock_acquire+0x62f/0x4c20 [ 245.442747] ? should_fail+0x22d/0xd01 [ 245.480206] ? rcu_irq_exit+0x1a2/0x390 [ 245.484190] ? mark_held_locks+0x130/0x130 [ 245.488427] ? mark_held_locks+0x130/0x130 [ 245.492670] ? mark_held_locks+0xc7/0x130 [ 245.496816] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 245.501831] ? zap_class+0x640/0x640 [ 245.505545] ? print_usage_bug+0xc0/0xc0 [ 245.509610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.515152] ? check_preemption_disabled+0x48/0x280 [ 245.520176] ? __lock_is_held+0xb5/0x140 [ 245.524242] __alloc_pages_nodemask+0xa80/0xde0 [ 245.528925] ? zap_class+0x640/0x640 [ 245.532643] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 245.537670] ? find_held_lock+0x36/0x1c0 [ 245.541741] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.546413] ? lock_downgrade+0x900/0x900 [ 245.550586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.556129] cache_grow_begin+0xa5/0x8c0 [ 245.560198] ? do_raw_spin_unlock+0xa7/0x330 [ 245.564613] fallback_alloc+0x204/0x2e0 [ 245.568596] ____cache_alloc_node+0x1c7/0x1e0 [ 245.573100] kmem_cache_alloc_node+0xe3/0x730 [ 245.577594] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.581838] __alloc_skb+0x119/0x770 [ 245.585553] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 245.590835] ? netdev_alloc_frag+0x1f0/0x1f0 [ 245.595245] ? lock_downgrade+0x900/0x900 [ 245.599399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.604970] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.610428] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.616226] ? addrconf_rs_timer+0x690/0x690 [ 245.620652] ndisc_alloc_skb+0x144/0x340 [ 245.624720] ndisc_send_rs+0x331/0x6e0 [ 245.628613] addrconf_rs_timer+0x314/0x690 [ 245.632851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.637536] call_timer_fn+0x272/0x920 [ 245.641431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.645664] ? process_timeout+0x40/0x40 [ 245.649736] ? mark_held_locks+0xc7/0x130 [ 245.653900] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.658398] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.662904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.667140] ? lockdep_hardirqs_on+0x296/0x5b0 [ 245.671726] ? trace_hardirqs_on+0xbd/0x310 [ 245.676050] ? kasan_check_read+0x11/0x20 [ 245.680195] ? __run_timers+0x7da/0xc70 [ 245.684176] ? trace_hardirqs_off_caller+0x310/0x310 [ 245.689282] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.693522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.697754] __run_timers+0x7e5/0xc70 [ 245.701561] ? timer_fixup_init+0x70/0x70 [ 245.705710] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.710725] ? zap_class+0x640/0x640 [ 245.714441] ? print_usage_bug+0xc0/0xc0 [ 245.718505] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.723786] ? find_held_lock+0x36/0x1c0 [ 245.727860] ? zap_class+0x640/0x640 [ 245.731580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.737119] ? check_preemption_disabled+0x48/0x280 [ 245.742146] ? __lock_is_held+0xb5/0x140 [ 245.746203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.751739] ? check_preemption_disabled+0x48/0x280 [ 245.756752] run_timer_softirq+0x52/0xb0 [ 245.760808] ? rcu_read_lock_sched_held+0x14f/0x180 [ 245.765819] __do_softirq+0x308/0xb7e [ 245.769617] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 245.774104] ? lock_downgrade+0x900/0x900 [ 245.778249] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 245.783353] ? pvclock_read_flags+0x160/0x160 [ 245.787842] ? lapic_next_event+0x5a/0x90 [ 245.791992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.797531] ? kvm_clock_read+0x18/0x30 [ 245.801498] ? kvm_sched_clock_read+0x9/0x20 [ 245.806388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.811927] ? check_preemption_disabled+0x48/0x280 [ 245.816946] irq_exit+0x17f/0x1c0 [ 245.820421] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.825257] ? smp_reschedule_interrupt+0x109/0x650 [ 245.830268] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.836145] ? interrupt_entry+0xb5/0xc0 [ 245.840201] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.845215] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.850228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.855064] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.860077] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.865086] ? task_prio+0x50/0x50 [ 245.868620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.874151] ? check_preemption_disabled+0x48/0x280 [ 245.879170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.884017] apic_timer_interrupt+0xf/0x20 [ 245.888240] [ 245.890475] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 245.895487] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 245.914379] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 245.922084] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 245.929347] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 245.936608] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 245.943881] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 245.951146] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 245.958438] rcu_read_lock_held+0xa9/0xc0 [ 245.962585] css_next_child+0x2a2/0x620 [ 245.966563] ? cgroup_mount+0xd30/0xd30 [ 245.970542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.976074] ? check_preemption_disabled+0x48/0x280 [ 245.981096] ? __lock_is_held+0xb5/0x140 [ 245.985163] css_next_descendant_pre+0xeb/0x190 [ 245.989833] mem_cgroup_iter+0x42f/0x1160 [ 245.993985] ? kasan_check_write+0x14/0x20 [ 245.998222] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 246.002971] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.007993] ? shrink_slab+0xfa/0x8c0 [ 246.011789] ? shrink_active_list+0x1f00/0x1f00 [ 246.016462] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 246.022084] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.027186] ? cgroup_procs_write_finish+0xf0/0xf0 [ 246.032118] ? find_held_lock+0x36/0x1c0 [ 246.036177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.041717] ? vmpressure+0x1a2/0x340 [ 246.045524] shrink_node+0x516/0x16b0 [ 246.049321] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 246.054613] ? shrink_node_memcg+0x18f0/0x18f0 [ 246.059280] ? kvm_clock_read+0x18/0x30 [ 246.063251] ? ktime_get+0x2c1/0x400 [ 246.066967] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 246.071462] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 246.076995] ? __cpuset_node_allowed+0x19b/0x660 [ 246.081748] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 246.087456] ? delayacct_end+0x5a/0x100 [ 246.091458] do_try_to_free_pages+0x3e7/0x1290 [ 246.096033] ? zap_class+0x640/0x640 [ 246.099756] ? shrink_node+0x16b0/0x16b0 [ 246.103823] ? __lock_is_held+0xb5/0x140 [ 246.107896] try_to_free_pages+0x4d0/0xb90 [ 246.112130] ? do_try_to_free_pages+0x1290/0x1290 [ 246.116982] ? lock_acquire+0x1ed/0x520 [ 246.120949] ? set_page_refcounted+0x280/0x280 [ 246.125531] ? lock_release+0xa00/0xa00 [ 246.129500] ? _raw_spin_unlock_irq+0x60/0x80 [ 246.133992] ? psi_memstall_enter+0x240/0x2b0 [ 246.138481] ? psi_memstall_tick+0x230/0x230 [ 246.142899] __alloc_pages_slowpath+0xa14/0x2e10 [ 246.147675] ? warn_alloc+0x120/0x120 [ 246.151469] ? mark_held_locks+0x130/0x130 [ 246.155701] ? find_get_entry+0xaae/0x1120 [ 246.159941] ? filemap_map_pages+0x1a20/0x1a20 [ 246.164523] ? zap_class+0x640/0x640 [ 246.168235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.173768] ? check_preemption_disabled+0x48/0x280 [ 246.178778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.184308] ? should_fail+0x22d/0xd01 [ 246.188193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.193289] ? zap_class+0x640/0x640 [ 246.197022] ? __lock_is_held+0xb5/0x140 [ 246.201084] ? mark_held_locks+0x130/0x130 [ 246.205314] ? lock_release+0xa00/0xa00 [ 246.209288] ? perf_trace_sched_process_exec+0x860/0x860 [ 246.214730] ? xa_load+0x2ba/0x460 [ 246.218265] ? lock_downgrade+0x900/0x900 [ 246.222411] ? __might_sleep+0x95/0x190 [ 246.226387] __alloc_pages_nodemask+0xa80/0xde0 [ 246.231056] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 246.236095] ? __page_cache_alloc+0x191/0x5c0 [ 246.240582] ? xa_load+0x2e1/0x460 [ 246.244121] ? xa_clear_mark+0x40/0x40 [ 246.248004] ? zap_class+0x640/0x640 [ 246.251719] ? zap_class+0x640/0x640 [ 246.255430] ? zap_class+0x640/0x640 [ 246.259140] ? __do_page_cache_readahead+0x663/0x810 [ 246.264244] ? find_held_lock+0x36/0x1c0 [ 246.268302] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 246.273846] alloc_pages_current+0x173/0x350 [ 246.278254] __page_cache_alloc+0x38c/0x5c0 [ 246.282568] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 246.287500] ? kasan_check_read+0x11/0x20 [ 246.291652] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 246.296932] ? generic_perform_write+0x6a0/0x6a0 [ 246.301687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.307220] ? check_preemption_disabled+0x48/0x280 [ 246.312241] filemap_fault+0x1595/0x25f0 [ 246.316307] ? __lock_page_or_retry+0xa00/0xa00 [ 246.320973] ? mark_held_locks+0x130/0x130 [ 246.325210] ? filemap_map_pages+0xd6b/0x1a20 [ 246.329703] ? lock_downgrade+0x900/0x900 [ 246.333853] ? check_preemption_disabled+0x48/0x280 [ 246.338867] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 246.343793] ? kasan_check_read+0x11/0x20 [ 246.347941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 246.353210] ? rcu_softirq_qs+0x20/0x20 [ 246.357190] ? filemap_map_pages+0xd92/0x1a20 [ 246.361682] ? print_usage_bug+0xc0/0xc0 [ 246.365744] ? find_get_entries_tag+0x1400/0x1400 [ 246.370582] ? __kasan_slab_free+0x102/0x150 [ 246.374997] ? kasan_slab_free+0xe/0x10 [ 246.378962] ? kmem_cache_free+0x83/0x290 [ 246.383105] ? __sigqueue_free.part.29+0x74/0x90 [ 246.387877] ? lock_acquire+0x1ed/0x520 [ 246.391851] ? ext4_filemap_fault+0x7a/0xad [ 246.396172] ? lock_release+0xa00/0xa00 [ 246.400141] ? perf_trace_sched_process_exec+0x860/0x860 [ 246.405590] ? print_usage_bug+0xc0/0xc0 [ 246.409649] ? print_usage_bug+0xc0/0xc0 [ 246.413718] ? down_read+0x8d/0x120 [ 246.417341] ? ext4_filemap_fault+0x7a/0xad [ 246.421661] ? __down_interruptible+0x700/0x700 [ 246.426335] ext4_filemap_fault+0x82/0xad [ 246.430482] __do_fault+0x100/0x6b0 [ 246.434111] ? pmd_devmap_trans_unstable+0x220/0x220 [ 246.439211] ? mark_held_locks+0x130/0x130 [ 246.443439] ? mark_held_locks+0x130/0x130 [ 246.447674] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 246.453208] ? rcu_pm_notify+0xc0/0xc0 [ 246.457095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.462629] __handle_mm_fault+0x3ea0/0x5be0 [ 246.467043] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 246.471883] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.476378] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 246.481131] ? trace_hardirqs_on+0xbd/0x310 [ 246.485446] ? kasan_check_read+0x11/0x20 [ 246.489587] ? __set_current_blocked+0xdf/0x120 [ 246.494254] ? trace_hardirqs_off_caller+0x310/0x310 [ 246.499366] ? zap_class+0x640/0x640 [ 246.503072] ? zap_class+0x640/0x640 [ 246.506788] ? find_held_lock+0x36/0x1c0 [ 246.510857] ? handle_mm_fault+0x42a/0xc70 [ 246.515092] ? lock_downgrade+0x900/0x900 [ 246.519238] ? check_preemption_disabled+0x48/0x280 [ 246.524280] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 246.529203] ? kasan_check_read+0x11/0x20 [ 246.533352] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 246.538621] ? rcu_softirq_qs+0x20/0x20 [ 246.542587] ? trace_hardirqs_off_caller+0x310/0x310 [ 246.547686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.553221] ? check_preemption_disabled+0x48/0x280 [ 246.558242] handle_mm_fault+0x54f/0xc70 [ 246.562300] ? __handle_mm_fault+0x5be0/0x5be0 [ 246.566880] ? find_vma+0x34/0x190 [ 246.570420] __do_page_fault+0x5e8/0xe60 [ 246.574485] ? exit_to_usermode_loop+0x1f4/0x380 [ 246.579244] do_page_fault+0xf2/0x7e0 [ 246.583040] ? vmalloc_sync_all+0x30/0x30 [ 246.587181] ? error_entry+0x70/0xd0 [ 246.590896] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.595904] ? trace_hardirqs_on_caller+0xc0/0x310 [ 246.600831] ? syscall_return_slowpath+0x5e0/0x5e0 [ 246.605757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.610779] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.615804] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.621251] ? prepare_exit_to_usermode+0x291/0x3b0 [ 246.626261] ? page_fault+0x8/0x30 [ 246.629808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.634647] ? page_fault+0x8/0x30 [ 246.638185] page_fault+0x1e/0x30 [ 246.641635] RIP: 0033:0x45db60 [ 246.644840] Code: Bad RIP value. [ 246.648212] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 246.653568] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 246.660834] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 246.668098] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 246.675360] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 246.682624] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 246.689914] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 246.689973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 246.696661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.696666] Call Trace: [ 246.696683] dump_stack+0x244/0x39d [ 246.696702] ? dump_stack_print_info.cold.1+0x20/0x20 [ 246.703243] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 246.712527] warn_alloc.cold.116+0xb7/0x1bd [ 246.715074] syz-fuzzer cpuset=/ mems_allowed=0 [ 246.718688] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.747776] ? lock_downgrade+0x900/0x900 [ 246.751935] ? trace_hardirqs_off+0xb8/0x310 [ 246.756343] ? trace_hardirqs_off+0xb8/0x310 [ 246.760757] __alloc_pages_slowpath+0x26e8/0x2e10 [ 246.765627] ? warn_alloc+0x120/0x120 [ 246.769428] ? print_usage_bug+0xc0/0xc0 [ 246.773486] ? warn_alloc+0x120/0x120 [ 246.777286] ? warn_alloc+0x120/0x120 [ 246.781085] ? print_usage_bug+0xc0/0xc0 [ 246.785148] ? print_usage_bug+0xc0/0xc0 [ 246.789203] ? __lock_acquire+0x62f/0x4c20 [ 246.793436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.798969] ? should_fail+0x22d/0xd01 [ 246.802854] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.807955] ? __lock_acquire+0x62f/0x4c20 [ 246.812189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.817284] ? __lock_acquire+0x62f/0x4c20 [ 246.821512] ? should_fail+0x22d/0xd01 [ 246.825394] ? find_held_lock+0x36/0x1c0 [ 246.829455] ? mark_held_locks+0x130/0x130 [ 246.833689] ? mark_held_locks+0x130/0x130 [ 246.837916] ? zap_class+0x640/0x640 [ 246.841625] ? zap_class+0x640/0x640 [ 246.845336] ? print_usage_bug+0xc0/0xc0 [ 246.849481] ? do_raw_spin_unlock+0xa7/0x330 [ 246.853887] ? zap_class+0x640/0x640 [ 246.857598] ? print_usage_bug+0xc0/0xc0 [ 246.861654] ? wq_watchdog_touch+0x9c/0xfe [ 246.865887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.871425] ? check_preemption_disabled+0x48/0x280 [ 246.876442] ? __lock_is_held+0xb5/0x140 [ 246.880502] __alloc_pages_nodemask+0xa80/0xde0 [ 246.885168] ? zap_class+0x640/0x640 [ 246.888879] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 246.893903] ? find_held_lock+0x36/0x1c0 [ 246.897968] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.902636] ? lock_downgrade+0x900/0x900 [ 246.906791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.912332] cache_grow_begin+0xa5/0x8c0 [ 246.916388] ? do_raw_spin_unlock+0xa7/0x330 [ 246.920804] fallback_alloc+0x204/0x2e0 [ 246.924801] ____cache_alloc_node+0x1c7/0x1e0 [ 246.929303] kmem_cache_alloc_node+0xe3/0x730 [ 246.933803] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.938050] __alloc_skb+0x119/0x770 [ 246.941758] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 246.947043] ? netdev_alloc_frag+0x1f0/0x1f0 [ 246.951449] ? lock_downgrade+0x900/0x900 [ 246.955602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.961138] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.966585] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.972031] ? addrconf_rs_timer+0x690/0x690 [ 246.976445] ndisc_alloc_skb+0x144/0x340 [ 246.980514] ndisc_send_rs+0x331/0x6e0 [ 246.984402] addrconf_rs_timer+0x314/0x690 [ 246.988636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.992876] call_timer_fn+0x272/0x920 [ 246.996756] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.000991] ? process_timeout+0x40/0x40 [ 247.005056] ? __run_timers+0x7da/0xc70 [ 247.009461] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.013964] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.018455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.022689] ? lockdep_hardirqs_on+0x296/0x5b0 [ 247.027271] ? trace_hardirqs_on+0xbd/0x310 [ 247.031589] ? kasan_check_read+0x11/0x20 [ 247.035733] ? __run_timers+0x7da/0xc70 [ 247.039712] ? trace_hardirqs_off_caller+0x310/0x310 [ 247.044819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.049062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.053291] __run_timers+0x7e5/0xc70 [ 247.057095] ? timer_fixup_init+0x70/0x70 [ 247.061235] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.065721] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.070214] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 247.074798] ? trace_hardirqs_on+0xbd/0x310 [ 247.079113] ? kasan_check_read+0x11/0x20 [ 247.083257] ? finish_task_switch+0x1f4/0x910 [ 247.087750] ? trace_hardirqs_off_caller+0x310/0x310 [ 247.092853] ? compat_start_thread+0x80/0x80 [ 247.097274] ? pvclock_read_flags+0x160/0x160 [ 247.101766] ? __switch_to_asm+0x34/0x70 [ 247.105829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.111361] ? check_preemption_disabled+0x48/0x280 [ 247.116384] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 247.121926] ? rcu_pm_notify+0xc0/0xc0 [ 247.125820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.131351] ? check_preemption_disabled+0x48/0x280 [ 247.136370] run_timer_softirq+0x52/0xb0 [ 247.140423] ? rcu_read_lock_sched_held+0x14f/0x180 [ 247.145437] __do_softirq+0x308/0xb7e [ 247.149244] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 247.154343] ? smpboot_thread_fn+0x334/0xa00 [ 247.158760] ? schedule+0x108/0x460 [ 247.162384] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.167141] ? trace_hardirqs_off+0xb8/0x310 [ 247.171546] ? smpboot_thread_fn+0x68b/0xa00 [ 247.176036] ? trace_hardirqs_on+0x310/0x310 [ 247.180442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.185980] ? check_preemption_disabled+0x48/0x280 [ 247.190995] ? takeover_tasklets+0xa90/0xa90 [ 247.195401] run_ksoftirqd+0x5e/0x100 [ 247.199194] smpboot_thread_fn+0x68b/0xa00 [ 247.203428] ? sort_range+0x30/0x30 [ 247.207049] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.212148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.217684] ? __kthread_parkme+0xfb/0x1a0 [ 247.221917] ? sort_range+0x30/0x30 [ 247.225538] kthread+0x35a/0x440 [ 247.228899] ? kthread_stop+0x900/0x900 [ 247.232870] ret_from_fork+0x3a/0x50 [ 247.236595] warn_alloc_show_mem: 1 callbacks suppressed [ 247.236605] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 247.236606] Mem-Info: [ 247.236637] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 247.236637] active_file:12 inactive_file:11 isolated_file:0 [ 247.236637] unevictable:0 dirty:0 writeback:0 unstable:0 [ 247.236637] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 247.236637] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 247.236637] free:13782 free_pcp:358 free_cma:0 [ 247.241982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.249036] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 247.251423] Call Trace: [ 247.284283] 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 [ 247.293623] [ 247.321090] lowmem_reserve[]: 0 2818 6321 6321 [ 247.323673] dump_stack+0x244/0x39d [ 247.349755] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 247.351902] ? dump_stack_print_info.cold.1+0x20/0x20 [ 247.356450] lowmem_reserve[]: 0 0 3503 3503 [ 247.360077] warn_alloc.cold.116+0xb7/0x1bd [ 247.387713] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 247.392904] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.397193] lowmem_reserve[]: 0 0 0 0 [ 247.401503] ? lock_downgrade+0x900/0x900 [ 247.430455] 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 [ 247.435302] ? trace_hardirqs_off+0xb8/0x310 [ 247.439070] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 247.443213] ? trace_hardirqs_off+0xb8/0x310 [ 247.456717] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 247.461131] __alloc_pages_slowpath+0x26e8/0x2e10 [ 247.476276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 247.480698] ? warn_alloc+0x120/0x120 [ 247.495565] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 247.500389] ? print_usage_bug+0xc0/0xc0 [ 247.509195] 266 total pagecache pages [ 247.512984] ? warn_alloc+0x120/0x120 [ 247.521536] 0 pages in swap cache [ 247.525580] ? warn_alloc+0x120/0x120 [ 247.529351] Swap cache stats: add 0, delete 0, find 0/0 [ 247.529359] Free swap = 0kB [ 247.533149] ? print_usage_bug+0xc0/0xc0 [ 247.536576] Total swap = 0kB [ 247.540366] ? kvm_clock_read+0x18/0x30 [ 247.545699] 1965979 pages RAM [ 247.548715] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 247.552751] 0 pages HighMem/MovableOnly [ 247.555754] ? print_usage_bug+0xc0/0xc0 [ 247.559701] 342854 pages reserved [ 247.562798] ? __lock_acquire+0x62f/0x4c20 [ 247.567782] 0 pages cma reserved [ 247.571753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.575865] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.579234] ? should_fail+0x22d/0xd01 [ 247.583510] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.586790] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 247.592296] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 247.598775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.627915] ? __lock_acquire+0x62f/0x4c20 [ 247.632151] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.637587] ? __lock_acquire+0x62f/0x4c20 [ 247.641822] ? should_fail+0x22d/0xd01 [ 247.645700] ? rcu_irq_exit+0x1a2/0x390 [ 247.649688] ? mark_held_locks+0x130/0x130 [ 247.653941] ? mark_held_locks+0x130/0x130 [ 247.658176] ? mark_held_locks+0xc7/0x130 [ 247.662326] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 247.667340] ? zap_class+0x640/0x640 [ 247.671052] ? print_usage_bug+0xc0/0xc0 [ 247.675111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.680642] ? check_preemption_disabled+0x48/0x280 [ 247.685662] ? __lock_is_held+0xb5/0x140 [ 247.689734] __alloc_pages_nodemask+0xa80/0xde0 [ 247.694398] ? zap_class+0x640/0x640 [ 247.698112] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 247.703134] ? find_held_lock+0x36/0x1c0 [ 247.707199] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.711863] ? lock_downgrade+0x900/0x900 [ 247.716012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.721548] cache_grow_begin+0xa5/0x8c0 [ 247.725603] ? do_raw_spin_unlock+0xa7/0x330 [ 247.730011] fallback_alloc+0x204/0x2e0 [ 247.733985] ____cache_alloc_node+0x1c7/0x1e0 [ 247.738482] kmem_cache_alloc_node+0xe3/0x730 [ 247.742972] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.747211] __alloc_skb+0x119/0x770 [ 247.750925] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 247.756201] ? netdev_alloc_frag+0x1f0/0x1f0 [ 247.760603] ? lock_downgrade+0x900/0x900 [ 247.765013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.770556] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.776181] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.781632] ? addrconf_rs_timer+0x690/0x690 [ 247.786045] ndisc_alloc_skb+0x144/0x340 [ 247.790103] ndisc_send_rs+0x331/0x6e0 [ 247.793991] addrconf_rs_timer+0x314/0x690 [ 247.798228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.802475] call_timer_fn+0x272/0x920 [ 247.806837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.811074] ? process_timeout+0x40/0x40 [ 247.815139] ? mark_held_locks+0xc7/0x130 [ 247.819293] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.823781] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.828269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.832499] ? lockdep_hardirqs_on+0x296/0x5b0 [ 247.837078] ? trace_hardirqs_on+0xbd/0x310 [ 247.841394] ? kasan_check_read+0x11/0x20 [ 247.845535] ? __run_timers+0x7da/0xc70 [ 247.849513] ? trace_hardirqs_off_caller+0x310/0x310 [ 247.854616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.858854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.863084] __run_timers+0x7e5/0xc70 [ 247.866890] ? timer_fixup_init+0x70/0x70 [ 247.871034] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.876046] ? zap_class+0x640/0x640 [ 247.879763] ? print_usage_bug+0xc0/0xc0 [ 247.883819] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.889009] ? find_held_lock+0x36/0x1c0 [ 247.893068] ? zap_class+0x640/0x640 [ 247.896783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.902320] ? check_preemption_disabled+0x48/0x280 [ 247.907337] ? __lock_is_held+0xb5/0x140 [ 247.911399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.916932] ? check_preemption_disabled+0x48/0x280 [ 247.921951] run_timer_softirq+0x52/0xb0 [ 247.926009] ? rcu_read_lock_sched_held+0x14f/0x180 [ 247.931018] __do_softirq+0x308/0xb7e [ 247.934836] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 247.939329] ? lock_downgrade+0x900/0x900 [ 247.943474] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 247.948577] ? pvclock_read_flags+0x160/0x160 [ 247.953072] ? lapic_next_event+0x5a/0x90 [ 247.957224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.962760] ? kvm_clock_read+0x18/0x30 [ 247.966727] ? kvm_sched_clock_read+0x9/0x20 [ 247.971151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.976691] ? check_preemption_disabled+0x48/0x280 [ 247.981716] irq_exit+0x17f/0x1c0 [ 247.985164] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.990000] ? smp_reschedule_interrupt+0x109/0x650 [ 247.995013] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.000895] ? interrupt_entry+0xb5/0xc0 [ 248.004966] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.009977] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.014990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.019833] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.024846] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.029860] ? task_prio+0x50/0x50 [ 248.033395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.038926] ? check_preemption_disabled+0x48/0x280 [ 248.043945] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.048790] apic_timer_interrupt+0xf/0x20 [ 248.053011] [ 248.055243] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 248.060260] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 248.079157] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 248.086857] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 248.094120] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 248.101382] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 248.108642] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 248.115913] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 248.123200] rcu_read_lock_held+0xa9/0xc0 [ 248.127346] css_next_child+0x2a2/0x620 [ 248.131320] ? cgroup_mount+0xd30/0xd30 [ 248.135293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.140829] ? check_preemption_disabled+0x48/0x280 [ 248.145851] ? __lock_is_held+0xb5/0x140 [ 248.149933] css_next_descendant_pre+0xeb/0x190 [ 248.154604] mem_cgroup_iter+0x42f/0x1160 [ 248.158749] ? kasan_check_write+0x14/0x20 [ 248.162987] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 248.167736] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.172752] ? shrink_slab+0xfa/0x8c0 [ 248.176550] ? shrink_active_list+0x1f00/0x1f00 [ 248.181225] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 248.186845] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.191947] ? cgroup_procs_write_finish+0xf0/0xf0 [ 248.196879] ? find_held_lock+0x36/0x1c0 [ 248.200938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.206474] ? vmpressure+0x1a2/0x340 [ 248.210270] shrink_node+0x516/0x16b0 [ 248.214068] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 248.219359] ? shrink_node_memcg+0x18f0/0x18f0 [ 248.223938] ? kvm_clock_read+0x18/0x30 [ 248.227994] ? ktime_get+0x2c1/0x400 [ 248.231711] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 248.236212] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.241747] ? __cpuset_node_allowed+0x19b/0x660 [ 248.246499] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 248.252214] ? delayacct_end+0x5a/0x100 [ 248.256201] do_try_to_free_pages+0x3e7/0x1290 [ 248.260782] ? zap_class+0x640/0x640 [ 248.264507] ? shrink_node+0x16b0/0x16b0 [ 248.268568] ? __lock_is_held+0xb5/0x140 [ 248.272633] try_to_free_pages+0x4d0/0xb90 [ 248.276872] ? do_try_to_free_pages+0x1290/0x1290 [ 248.281756] ? lock_acquire+0x1ed/0x520 [ 248.285741] ? set_page_refcounted+0x280/0x280 [ 248.290327] ? lock_release+0xa00/0xa00 [ 248.294297] ? _raw_spin_unlock_irq+0x60/0x80 [ 248.298790] ? psi_memstall_enter+0x240/0x2b0 [ 248.303284] ? psi_memstall_tick+0x230/0x230 [ 248.307701] __alloc_pages_slowpath+0xa14/0x2e10 [ 248.312479] ? warn_alloc+0x120/0x120 [ 248.316271] ? mark_held_locks+0x130/0x130 [ 248.320504] ? find_get_entry+0xaae/0x1120 [ 248.324744] ? filemap_map_pages+0x1a20/0x1a20 [ 248.329324] ? zap_class+0x640/0x640 [ 248.333039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.338569] ? check_preemption_disabled+0x48/0x280 [ 248.343578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.349112] ? should_fail+0x22d/0xd01 [ 248.352998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.358099] ? zap_class+0x640/0x640 [ 248.361899] ? __lock_is_held+0xb5/0x140 [ 248.365962] ? mark_held_locks+0x130/0x130 [ 248.370200] ? lock_release+0xa00/0xa00 [ 248.374170] ? perf_trace_sched_process_exec+0x860/0x860 [ 248.379616] ? xa_load+0x2ba/0x460 [ 248.383157] ? lock_downgrade+0x900/0x900 [ 248.387305] ? __might_sleep+0x95/0x190 [ 248.391281] __alloc_pages_nodemask+0xa80/0xde0 [ 248.396037] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 248.401052] ? __page_cache_alloc+0x191/0x5c0 [ 248.405552] ? xa_load+0x2e1/0x460 [ 248.409099] ? xa_clear_mark+0x40/0x40 [ 248.412984] ? zap_class+0x640/0x640 [ 248.416701] ? zap_class+0x640/0x640 [ 248.420409] ? zap_class+0x640/0x640 [ 248.424121] ? __do_page_cache_readahead+0x663/0x810 [ 248.429227] ? find_held_lock+0x36/0x1c0 [ 248.433287] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 248.438835] alloc_pages_current+0x173/0x350 [ 248.443246] __page_cache_alloc+0x38c/0x5c0 [ 248.447559] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 248.452481] ? kasan_check_read+0x11/0x20 [ 248.456627] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 248.461906] ? generic_perform_write+0x6a0/0x6a0 [ 248.466663] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.472206] ? check_preemption_disabled+0x48/0x280 [ 248.477222] filemap_fault+0x1595/0x25f0 [ 248.481291] ? __lock_page_or_retry+0xa00/0xa00 [ 248.485958] ? mark_held_locks+0x130/0x130 [ 248.490200] ? filemap_map_pages+0xd6b/0x1a20 [ 248.494695] ? lock_downgrade+0x900/0x900 [ 248.498841] ? check_preemption_disabled+0x48/0x280 [ 248.503852] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 248.508787] ? kasan_check_read+0x11/0x20 [ 248.512931] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 248.518202] ? rcu_softirq_qs+0x20/0x20 [ 248.522196] ? filemap_map_pages+0xd92/0x1a20 [ 248.526692] ? print_usage_bug+0xc0/0xc0 [ 248.530754] ? find_get_entries_tag+0x1400/0x1400 [ 248.535591] ? __kasan_slab_free+0x102/0x150 [ 248.539993] ? kasan_slab_free+0xe/0x10 [ 248.543960] ? kmem_cache_free+0x83/0x290 [ 248.548122] ? __sigqueue_free.part.29+0x74/0x90 [ 248.552889] ? lock_acquire+0x1ed/0x520 [ 248.556861] ? ext4_filemap_fault+0x7a/0xad [ 248.561185] ? lock_release+0xa00/0xa00 [ 248.565155] ? perf_trace_sched_process_exec+0x860/0x860 [ 248.570604] ? print_usage_bug+0xc0/0xc0 [ 248.574666] ? print_usage_bug+0xc0/0xc0 [ 248.578819] ? down_read+0x8d/0x120 [ 248.582698] ? ext4_filemap_fault+0x7a/0xad [ 248.587020] ? __down_interruptible+0x700/0x700 [ 248.591691] ext4_filemap_fault+0x82/0xad [ 248.595840] __do_fault+0x100/0x6b0 [ 248.599467] ? pmd_devmap_trans_unstable+0x220/0x220 [ 248.604568] ? mark_held_locks+0x130/0x130 [ 248.608797] ? mark_held_locks+0x130/0x130 [ 248.613026] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 248.618560] ? rcu_pm_notify+0xc0/0xc0 [ 248.622448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.627983] __handle_mm_fault+0x3ea0/0x5be0 [ 248.632395] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 248.637229] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.641723] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 248.646304] ? trace_hardirqs_on+0xbd/0x310 [ 248.650617] ? kasan_check_read+0x11/0x20 [ 248.655025] ? __set_current_blocked+0xdf/0x120 [ 248.659691] ? trace_hardirqs_off_caller+0x310/0x310 [ 248.664799] ? zap_class+0x640/0x640 [ 248.668506] ? zap_class+0x640/0x640 [ 248.672218] ? find_held_lock+0x36/0x1c0 [ 248.676421] ? handle_mm_fault+0x42a/0xc70 [ 248.680654] ? lock_downgrade+0x900/0x900 [ 248.684801] ? check_preemption_disabled+0x48/0x280 [ 248.689817] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 248.694739] ? kasan_check_read+0x11/0x20 [ 248.698881] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 248.704149] ? rcu_softirq_qs+0x20/0x20 [ 248.708127] ? trace_hardirqs_off_caller+0x310/0x310 [ 248.713232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.718767] ? check_preemption_disabled+0x48/0x280 [ 248.723783] handle_mm_fault+0x54f/0xc70 [ 248.727845] ? __handle_mm_fault+0x5be0/0x5be0 [ 248.732431] ? find_vma+0x34/0x190 [ 248.735969] __do_page_fault+0x5e8/0xe60 [ 248.740027] ? exit_to_usermode_loop+0x1f4/0x380 [ 248.744784] do_page_fault+0xf2/0x7e0 [ 248.748584] ? vmalloc_sync_all+0x30/0x30 [ 248.752731] ? error_entry+0x70/0xd0 [ 248.756527] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.761535] ? trace_hardirqs_on_caller+0xc0/0x310 [ 248.766460] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.771385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.776227] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.781240] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.786694] ? prepare_exit_to_usermode+0x291/0x3b0 [ 248.791708] ? page_fault+0x8/0x30 [ 248.795247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.800090] ? page_fault+0x8/0x30 [ 248.803636] page_fault+0x1e/0x30 [ 248.807085] RIP: 0033:0x45db60 [ 248.810281] Code: Bad RIP value. [ 248.813640] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 248.818993] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 248.826256] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 248.833521] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 248.840786] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 248.848053] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 248.855337] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 248.855397] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.862084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.862088] Call Trace: [ 248.862105] dump_stack+0x244/0x39d [ 248.862126] ? dump_stack_print_info.cold.1+0x20/0x20 [ 248.868647] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.877965] warn_alloc.cold.116+0xb7/0x1bd [ 248.880526] syz-fuzzer cpuset=/ mems_allowed=0 [ 248.884142] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.913205] ? lock_downgrade+0x900/0x900 [ 248.917355] ? trace_hardirqs_off+0xb8/0x310 [ 248.921764] ? trace_hardirqs_off+0xb8/0x310 [ 248.926171] __alloc_pages_slowpath+0x26e8/0x2e10 [ 248.931034] ? warn_alloc+0x120/0x120 [ 248.934831] ? print_usage_bug+0xc0/0xc0 [ 248.938887] ? warn_alloc+0x120/0x120 [ 248.942689] ? warn_alloc+0x120/0x120 [ 248.946489] ? print_usage_bug+0xc0/0xc0 [ 248.950553] ? print_usage_bug+0xc0/0xc0 [ 248.954620] ? __lock_acquire+0x62f/0x4c20 [ 248.958858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.964390] ? should_fail+0x22d/0xd01 [ 248.968280] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.973380] ? __lock_acquire+0x62f/0x4c20 [ 248.977621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.982726] ? __lock_acquire+0x62f/0x4c20 [ 248.986954] ? should_fail+0x22d/0xd01 [ 248.990837] ? find_held_lock+0x36/0x1c0 [ 248.994900] ? mark_held_locks+0x130/0x130 [ 248.999135] ? mark_held_locks+0x130/0x130 [ 249.003364] ? zap_class+0x640/0x640 [ 249.007080] ? mark_held_locks+0xc7/0x130 [ 249.011220] ? do_raw_spin_unlock+0xa7/0x330 [ 249.015647] ? zap_class+0x640/0x640 [ 249.019354] ? print_usage_bug+0xc0/0xc0 [ 249.023417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.028958] ? check_preemption_disabled+0x48/0x280 [ 249.033977] ? __lock_is_held+0xb5/0x140 [ 249.038038] __alloc_pages_nodemask+0xa80/0xde0 [ 249.042707] ? zap_class+0x640/0x640 [ 249.046424] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 249.051445] ? find_held_lock+0x36/0x1c0 [ 249.055510] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.060173] ? lock_downgrade+0x900/0x900 [ 249.064321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.069859] cache_grow_begin+0xa5/0x8c0 [ 249.073919] ? do_raw_spin_unlock+0xa7/0x330 [ 249.078330] fallback_alloc+0x204/0x2e0 [ 249.082302] ____cache_alloc_node+0x1c7/0x1e0 [ 249.086807] kmem_cache_alloc_node+0xe3/0x730 [ 249.091302] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.095543] __alloc_skb+0x119/0x770 [ 249.099254] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 249.104533] ? netdev_alloc_frag+0x1f0/0x1f0 [ 249.108935] ? lock_downgrade+0x900/0x900 [ 249.113084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.118617] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.124070] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.129512] ? addrconf_rs_timer+0x690/0x690 [ 249.133924] ndisc_alloc_skb+0x144/0x340 [ 249.137986] ndisc_send_rs+0x331/0x6e0 [ 249.141878] addrconf_rs_timer+0x314/0x690 [ 249.146116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.150354] call_timer_fn+0x272/0x920 [ 249.154236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.158463] ? process_timeout+0x40/0x40 [ 249.162525] ? __run_timers+0x7da/0xc70 [ 249.166493] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.170984] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.175475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.179707] ? lockdep_hardirqs_on+0x296/0x5b0 [ 249.184287] ? trace_hardirqs_on+0xbd/0x310 [ 249.188610] ? kasan_check_read+0x11/0x20 [ 249.192757] ? __run_timers+0x7da/0xc70 [ 249.196724] ? trace_hardirqs_off_caller+0x310/0x310 [ 249.201823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.206057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.210286] __run_timers+0x7e5/0xc70 [ 249.214093] ? timer_fixup_init+0x70/0x70 [ 249.218234] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.222723] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.227213] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 249.231794] ? trace_hardirqs_on+0xbd/0x310 [ 249.236107] ? kasan_check_read+0x11/0x20 [ 249.240254] ? finish_task_switch+0x1f4/0x910 [ 249.244848] ? trace_hardirqs_off_caller+0x310/0x310 [ 249.249952] ? compat_start_thread+0x80/0x80 [ 249.254376] ? pvclock_read_flags+0x160/0x160 [ 249.258866] ? __switch_to_asm+0x34/0x70 [ 249.262925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.268459] ? check_preemption_disabled+0x48/0x280 [ 249.273476] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 249.279007] ? rcu_pm_notify+0xc0/0xc0 [ 249.282889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.288424] ? check_preemption_disabled+0x48/0x280 [ 249.293439] run_timer_softirq+0x52/0xb0 [ 249.297496] ? rcu_read_lock_sched_held+0x14f/0x180 [ 249.302508] __do_softirq+0x308/0xb7e [ 249.306317] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 249.311415] ? smpboot_thread_fn+0x334/0xa00 [ 249.315908] ? schedule+0x108/0x460 [ 249.319530] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.324290] ? trace_hardirqs_off+0xb8/0x310 [ 249.328692] ? smpboot_thread_fn+0x68b/0xa00 [ 249.333097] ? trace_hardirqs_on+0x310/0x310 [ 249.337499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.343032] ? check_preemption_disabled+0x48/0x280 [ 249.348041] ? takeover_tasklets+0xa90/0xa90 [ 249.352445] run_ksoftirqd+0x5e/0x100 [ 249.356238] smpboot_thread_fn+0x68b/0xa00 [ 249.360473] ? sort_range+0x30/0x30 [ 249.364091] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.369188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.374724] ? __kthread_parkme+0xfb/0x1a0 [ 249.378957] ? sort_range+0x30/0x30 [ 249.382589] kthread+0x35a/0x440 [ 249.385958] ? kthread_stop+0x900/0x900 [ 249.389928] ret_from_fork+0x3a/0x50 [ 249.393654] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 249.393659] warn_alloc_show_mem: 1 callbacks suppressed [ 249.393665] Mem-Info: [ 249.400585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.405948] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 249.405948] active_file:12 inactive_file:11 isolated_file:0 [ 249.405948] unevictable:0 dirty:0 writeback:0 unstable:0 [ 249.405948] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 249.405948] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 249.405948] free:13782 free_pcp:358 free_cma:0 [ 249.408322] Call Trace: [ 249.417699] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 249.450549] [ 249.453120] 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 [ 249.480605] dump_stack+0x244/0x39d [ 249.480623] ? dump_stack_print_info.cold.1+0x20/0x20 [ 249.482755] lowmem_reserve[]: 0 2818 6321 6321 [ 249.508860] warn_alloc.cold.116+0xb7/0x1bd [ 249.512451] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 249.517633] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.522183] lowmem_reserve[]: 0 0 3503 3503 [ 249.526495] ? lock_downgrade+0x900/0x900 [ 249.554132] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 249.558970] ? trace_hardirqs_off+0xb8/0x310 [ 249.563257] lowmem_reserve[]: 0 0 0 0 [ 249.567398] ? trace_hardirqs_off+0xb8/0x310 [ 249.596337] 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 [ 249.600739] __alloc_pages_slowpath+0x26e8/0x2e10 [ 249.604507] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 249.608926] ? warn_alloc+0x120/0x120 [ 249.622395] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 249.627237] ? print_usage_bug+0xc0/0xc0 [ 249.642874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 249.646664] ? warn_alloc+0x120/0x120 [ 249.661549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 249.665604] ? warn_alloc+0x120/0x120 [ 249.674423] 266 total pagecache pages [ 249.678205] ? print_usage_bug+0xc0/0xc0 [ 249.686756] 0 pages in swap cache [ 249.690549] ? print_usage_bug+0xc0/0xc0 [ 249.694321] Swap cache stats: add 0, delete 0, find 0/0 [ 249.698367] ? __lock_acquire+0x62f/0x4c20 [ 249.701798] Free swap = 0kB [ 249.705849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.711283] Total swap = 0kB [ 249.715502] ? should_fail+0x22d/0xd01 [ 249.718494] 1965979 pages RAM [ 249.724017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.727006] 0 pages HighMem/MovableOnly [ 249.730879] ? __lock_acquire+0x62f/0x4c20 [ 249.733955] 342854 pages reserved [ 249.739046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.742988] 0 pages cma reserved [ 249.747211] ? __lock_acquire+0x62f/0x4c20 [ 249.750694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.755721] ? should_fail+0x22d/0xd01 [ 249.755736] ? find_held_lock+0x36/0x1c0 [ 249.755757] ? mark_held_locks+0x130/0x130 [ 249.759142] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.763314] ? mark_held_locks+0x130/0x130 [ 249.769778] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 249.773652] ? zap_class+0x640/0x640 [ 249.805271] ? zap_class+0x640/0x640 [ 249.808987] ? print_usage_bug+0xc0/0xc0 [ 249.813043] ? do_raw_spin_unlock+0xa7/0x330 [ 249.817461] ? zap_class+0x640/0x640 [ 249.821177] ? print_usage_bug+0xc0/0xc0 [ 249.825230] ? wq_watchdog_touch+0x9c/0xfe [ 249.829474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.835006] ? check_preemption_disabled+0x48/0x280 [ 249.840025] ? __lock_is_held+0xb5/0x140 [ 249.844089] __alloc_pages_nodemask+0xa80/0xde0 [ 249.848752] ? zap_class+0x640/0x640 [ 249.852466] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 249.857487] ? find_held_lock+0x36/0x1c0 [ 249.861560] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.866223] ? lock_downgrade+0x900/0x900 [ 249.870372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.875908] cache_grow_begin+0xa5/0x8c0 [ 249.879992] ? do_raw_spin_unlock+0xa7/0x330 [ 249.884400] fallback_alloc+0x204/0x2e0 [ 249.888379] ____cache_alloc_node+0x1c7/0x1e0 [ 249.892874] kmem_cache_alloc_node+0xe3/0x730 [ 249.897363] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.901600] __alloc_skb+0x119/0x770 [ 249.905310] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 249.910586] ? netdev_alloc_frag+0x1f0/0x1f0 [ 249.914990] ? lock_downgrade+0x900/0x900 [ 249.919140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.924673] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.930121] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.935565] ? addrconf_rs_timer+0x690/0x690 [ 249.939977] ndisc_alloc_skb+0x144/0x340 [ 249.944040] ndisc_send_rs+0x331/0x6e0 [ 249.947934] addrconf_rs_timer+0x314/0x690 [ 249.952171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.956409] call_timer_fn+0x272/0x920 [ 249.960292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.964525] ? process_timeout+0x40/0x40 [ 249.968593] ? mark_held_locks+0xc7/0x130 [ 249.972751] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.977246] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.981734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.985962] ? lockdep_hardirqs_on+0x296/0x5b0 [ 249.990547] ? trace_hardirqs_on+0xbd/0x310 [ 249.994864] ? kasan_check_read+0x11/0x20 [ 249.999004] ? __run_timers+0x7da/0xc70 [ 250.002974] ? trace_hardirqs_off_caller+0x310/0x310 [ 250.008081] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.012312] __run_timers+0x7e5/0xc70 [ 250.016115] ? timer_fixup_init+0x70/0x70 [ 250.020260] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.025272] ? zap_class+0x640/0x640 [ 250.028983] ? print_usage_bug+0xc0/0xc0 [ 250.033048] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.038240] ? find_held_lock+0x36/0x1c0 [ 250.042305] ? zap_class+0x640/0x640 [ 250.046017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.051551] ? check_preemption_disabled+0x48/0x280 [ 250.056570] ? __lock_is_held+0xb5/0x140 [ 250.060626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.066159] ? check_preemption_disabled+0x48/0x280 [ 250.071176] run_timer_softirq+0x52/0xb0 [ 250.075230] ? rcu_read_lock_sched_held+0x14f/0x180 [ 250.080241] __do_softirq+0x308/0xb7e [ 250.084043] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 250.088534] ? lock_downgrade+0x900/0x900 [ 250.092682] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 250.097786] ? pvclock_read_flags+0x160/0x160 [ 250.102277] ? lapic_next_event+0x5a/0x90 [ 250.106426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.111970] ? kvm_clock_read+0x18/0x30 [ 250.115938] ? kvm_sched_clock_read+0x9/0x20 [ 250.120352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.125884] ? check_preemption_disabled+0x48/0x280 [ 250.130904] irq_exit+0x17f/0x1c0 [ 250.134352] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.139203] ? smp_reschedule_interrupt+0x109/0x650 [ 250.144212] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.150090] ? interrupt_entry+0xb5/0xc0 [ 250.154147] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.159158] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.164173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.169011] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.174026] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.179047] ? task_prio+0x50/0x50 [ 250.182594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.188125] ? check_preemption_disabled+0x48/0x280 [ 250.193140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.197987] apic_timer_interrupt+0xf/0x20 [ 250.202215] [ 250.204450] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 250.209465] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 250.228365] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 250.236072] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 250.243334] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 250.250596] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 250.257861] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 250.265123] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 250.272415] rcu_read_lock_held+0xa9/0xc0 [ 250.276560] css_next_child+0x2a2/0x620 [ 250.280539] ? cgroup_mount+0xd30/0xd30 [ 250.284519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.290053] ? check_preemption_disabled+0x48/0x280 [ 250.295079] ? __lock_is_held+0xb5/0x140 [ 250.299159] css_next_descendant_pre+0xeb/0x190 [ 250.303826] mem_cgroup_iter+0x42f/0x1160 [ 250.307970] ? kasan_check_write+0x14/0x20 [ 250.312207] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 250.316957] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.321977] ? shrink_slab+0xfa/0x8c0 [ 250.325780] ? shrink_active_list+0x1f00/0x1f00 [ 250.330455] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 250.336089] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.341191] ? cgroup_procs_write_finish+0xf0/0xf0 [ 250.346124] ? find_held_lock+0x36/0x1c0 [ 250.350184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.355713] ? vmpressure+0x1a2/0x340 [ 250.359517] shrink_node+0x516/0x16b0 [ 250.363310] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 250.368604] ? shrink_node_memcg+0x18f0/0x18f0 [ 250.373189] ? kvm_clock_read+0x18/0x30 [ 250.377166] ? ktime_get+0x2c1/0x400 [ 250.380878] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 250.385369] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.390903] ? __cpuset_node_allowed+0x19b/0x660 [ 250.395659] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 250.401365] ? delayacct_end+0x5a/0x100 [ 250.405343] do_try_to_free_pages+0x3e7/0x1290 [ 250.409916] ? zap_class+0x640/0x640 [ 250.413637] ? shrink_node+0x16b0/0x16b0 [ 250.417787] ? __lock_is_held+0xb5/0x140 [ 250.421856] try_to_free_pages+0x4d0/0xb90 [ 250.426088] ? do_try_to_free_pages+0x1290/0x1290 [ 250.430939] ? lock_acquire+0x1ed/0x520 [ 250.434908] ? set_page_refcounted+0x280/0x280 [ 250.439497] ? lock_release+0xa00/0xa00 [ 250.443477] ? _raw_spin_unlock_irq+0x60/0x80 [ 250.447971] ? psi_memstall_enter+0x240/0x2b0 [ 250.452461] ? psi_memstall_tick+0x230/0x230 [ 250.456889] __alloc_pages_slowpath+0xa14/0x2e10 [ 250.461665] ? warn_alloc+0x120/0x120 [ 250.465458] ? mark_held_locks+0x130/0x130 [ 250.469698] ? find_get_entry+0xaae/0x1120 [ 250.473940] ? filemap_map_pages+0x1a20/0x1a20 [ 250.478521] ? zap_class+0x640/0x640 [ 250.482234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.487770] ? check_preemption_disabled+0x48/0x280 [ 250.492780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.498310] ? should_fail+0x22d/0xd01 [ 250.502197] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.507314] ? zap_class+0x640/0x640 [ 250.511051] ? __lock_is_held+0xb5/0x140 [ 250.515114] ? mark_held_locks+0x130/0x130 [ 250.519348] ? lock_release+0xa00/0xa00 [ 250.523316] ? perf_trace_sched_process_exec+0x860/0x860 [ 250.528761] ? xa_load+0x2ba/0x460 [ 250.532298] ? lock_downgrade+0x900/0x900 [ 250.536452] ? __might_sleep+0x95/0x190 [ 250.540432] __alloc_pages_nodemask+0xa80/0xde0 [ 250.545112] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 250.550133] ? __page_cache_alloc+0x191/0x5c0 [ 250.554620] ? xa_load+0x2e1/0x460 [ 250.558161] ? xa_clear_mark+0x40/0x40 [ 250.562043] ? zap_class+0x640/0x640 [ 250.565758] ? zap_class+0x640/0x640 [ 250.569471] ? zap_class+0x640/0x640 [ 250.573179] ? __do_page_cache_readahead+0x663/0x810 [ 250.578279] ? find_held_lock+0x36/0x1c0 [ 250.582352] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 250.587890] alloc_pages_current+0x173/0x350 [ 250.592301] __page_cache_alloc+0x38c/0x5c0 [ 250.596704] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 250.601626] ? kasan_check_read+0x11/0x20 [ 250.605767] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 250.611044] ? generic_perform_write+0x6a0/0x6a0 [ 250.615794] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.621326] ? check_preemption_disabled+0x48/0x280 [ 250.626344] filemap_fault+0x1595/0x25f0 [ 250.630411] ? __lock_page_or_retry+0xa00/0xa00 [ 250.635077] ? mark_held_locks+0x130/0x130 [ 250.639317] ? filemap_map_pages+0xd6b/0x1a20 [ 250.643812] ? lock_downgrade+0x900/0x900 [ 250.647953] ? check_preemption_disabled+0x48/0x280 [ 250.652966] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 250.657894] ? kasan_check_read+0x11/0x20 [ 250.662036] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 250.667306] ? rcu_softirq_qs+0x20/0x20 [ 250.671287] ? filemap_map_pages+0xd92/0x1a20 [ 250.675867] ? print_usage_bug+0xc0/0xc0 [ 250.679929] ? find_get_entries_tag+0x1400/0x1400 [ 250.684764] ? __kasan_slab_free+0x102/0x150 [ 250.689166] ? kasan_slab_free+0xe/0x10 [ 250.693138] ? kmem_cache_free+0x83/0x290 [ 250.697279] ? __sigqueue_free.part.29+0x74/0x90 [ 250.702046] ? lock_acquire+0x1ed/0x520 [ 250.706016] ? ext4_filemap_fault+0x7a/0xad [ 250.710338] ? lock_release+0xa00/0xa00 [ 250.714307] ? perf_trace_sched_process_exec+0x860/0x860 [ 250.719756] ? print_usage_bug+0xc0/0xc0 [ 250.723815] ? print_usage_bug+0xc0/0xc0 [ 250.727881] ? down_read+0x8d/0x120 [ 250.731507] ? ext4_filemap_fault+0x7a/0xad [ 250.735825] ? __down_interruptible+0x700/0x700 [ 250.740505] ext4_filemap_fault+0x82/0xad [ 250.744651] __do_fault+0x100/0x6b0 [ 250.748279] ? pmd_devmap_trans_unstable+0x220/0x220 [ 250.753377] ? mark_held_locks+0x130/0x130 [ 250.757613] ? mark_held_locks+0x130/0x130 [ 250.761843] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 250.767395] ? rcu_pm_notify+0xc0/0xc0 [ 250.771283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.776819] __handle_mm_fault+0x3ea0/0x5be0 [ 250.781232] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 250.786068] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.790562] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 250.795141] ? trace_hardirqs_on+0xbd/0x310 [ 250.799461] ? kasan_check_read+0x11/0x20 [ 250.803894] ? __set_current_blocked+0xdf/0x120 [ 250.808574] ? trace_hardirqs_off_caller+0x310/0x310 [ 250.813684] ? zap_class+0x640/0x640 [ 250.817393] ? zap_class+0x640/0x640 [ 250.821100] ? find_held_lock+0x36/0x1c0 [ 250.825157] ? handle_mm_fault+0x42a/0xc70 [ 250.829385] ? lock_downgrade+0x900/0x900 [ 250.833530] ? check_preemption_disabled+0x48/0x280 [ 250.838548] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 250.843472] ? kasan_check_read+0x11/0x20 [ 250.847616] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 250.852892] ? rcu_softirq_qs+0x20/0x20 [ 250.856860] ? trace_hardirqs_off_caller+0x310/0x310 [ 250.861960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.867498] ? check_preemption_disabled+0x48/0x280 [ 250.872516] handle_mm_fault+0x54f/0xc70 [ 250.876575] ? __handle_mm_fault+0x5be0/0x5be0 [ 250.881157] ? find_vma+0x34/0x190 [ 250.884709] __do_page_fault+0x5e8/0xe60 [ 250.888765] ? exit_to_usermode_loop+0x1f4/0x380 [ 250.893526] do_page_fault+0xf2/0x7e0 [ 250.897322] ? vmalloc_sync_all+0x30/0x30 [ 250.901474] ? error_entry+0x70/0xd0 [ 250.905181] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.910192] ? trace_hardirqs_on_caller+0xc0/0x310 [ 250.915121] ? syscall_return_slowpath+0x5e0/0x5e0 [ 250.920044] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.924886] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.929895] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.935347] ? prepare_exit_to_usermode+0x291/0x3b0 [ 250.940356] ? page_fault+0x8/0x30 [ 250.943893] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.948734] ? page_fault+0x8/0x30 [ 250.952272] page_fault+0x1e/0x30 [ 250.955718] RIP: 0033:0x45db60 [ 250.958918] Code: Bad RIP value. [ 250.962275] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 250.967631] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 250.974899] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 250.982160] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 250.989420] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 250.996692] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 251.003981] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 251.004045] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.010732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.010740] Call Trace: [ 251.017296] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.026561] dump_stack+0x244/0x39d [ 251.029118] syz-fuzzer cpuset=/ mems_allowed=0 [ 251.039332] ? dump_stack_print_info.cold.1+0x20/0x20 [ 251.052684] warn_alloc.cold.116+0xb7/0x1bd [ 251.057010] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.061948] ? lock_downgrade+0x900/0x900 [ 251.066097] ? trace_hardirqs_off+0xb8/0x310 [ 251.070507] ? trace_hardirqs_off+0xb8/0x310 [ 251.075005] __alloc_pages_slowpath+0x26e8/0x2e10 [ 251.079870] ? warn_alloc+0x120/0x120 [ 251.083672] ? print_usage_bug+0xc0/0xc0 [ 251.087727] ? warn_alloc+0x120/0x120 [ 251.091525] ? warn_alloc+0x120/0x120 [ 251.095320] ? print_usage_bug+0xc0/0xc0 [ 251.099383] ? print_usage_bug+0xc0/0xc0 [ 251.103444] ? __lock_acquire+0x62f/0x4c20 [ 251.107686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.113217] ? should_fail+0x22d/0xd01 [ 251.117192] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.122289] ? __lock_acquire+0x62f/0x4c20 [ 251.126524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.131627] ? __lock_acquire+0x62f/0x4c20 [ 251.135854] ? should_fail+0x22d/0xd01 [ 251.139750] ? find_held_lock+0x36/0x1c0 [ 251.143812] ? mark_held_locks+0x130/0x130 [ 251.148045] ? mark_held_locks+0x130/0x130 [ 251.152274] ? zap_class+0x640/0x640 [ 251.155984] ? zap_class+0x640/0x640 [ 251.159693] ? print_usage_bug+0xc0/0xc0 [ 251.163748] ? do_raw_spin_unlock+0xa7/0x330 [ 251.168152] ? zap_class+0x640/0x640 [ 251.171859] ? print_usage_bug+0xc0/0xc0 [ 251.175914] ? wq_watchdog_touch+0x9c/0xfe [ 251.180146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.185680] ? check_preemption_disabled+0x48/0x280 [ 251.190699] ? __lock_is_held+0xb5/0x140 [ 251.194762] __alloc_pages_nodemask+0xa80/0xde0 [ 251.199430] ? zap_class+0x640/0x640 [ 251.203145] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 251.208169] ? find_held_lock+0x36/0x1c0 [ 251.212237] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.216908] ? lock_downgrade+0x900/0x900 [ 251.221062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.226605] cache_grow_begin+0xa5/0x8c0 [ 251.230658] ? do_raw_spin_unlock+0xa7/0x330 [ 251.235070] fallback_alloc+0x204/0x2e0 [ 251.239047] ____cache_alloc_node+0x1c7/0x1e0 [ 251.243572] kmem_cache_alloc_node+0xe3/0x730 [ 251.248066] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.252311] __alloc_skb+0x119/0x770 [ 251.256021] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 251.261296] ? netdev_alloc_frag+0x1f0/0x1f0 [ 251.265699] ? lock_downgrade+0x900/0x900 [ 251.269848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.275378] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.280836] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.286281] ? addrconf_rs_timer+0x690/0x690 [ 251.290693] ndisc_alloc_skb+0x144/0x340 [ 251.294769] ndisc_send_rs+0x331/0x6e0 [ 251.298656] addrconf_rs_timer+0x314/0x690 [ 251.302892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.307136] call_timer_fn+0x272/0x920 [ 251.311021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.315252] ? process_timeout+0x40/0x40 [ 251.319317] ? __run_timers+0x7da/0xc70 [ 251.323293] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.327784] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.332273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.336502] ? lockdep_hardirqs_on+0x296/0x5b0 [ 251.341081] ? trace_hardirqs_on+0xbd/0x310 [ 251.345404] ? kasan_check_read+0x11/0x20 [ 251.349599] ? __run_timers+0x7da/0xc70 [ 251.353572] ? trace_hardirqs_off_caller+0x310/0x310 [ 251.358680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.362912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.367139] __run_timers+0x7e5/0xc70 [ 251.370943] ? timer_fixup_init+0x70/0x70 [ 251.375102] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.379592] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.384087] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 251.388663] ? trace_hardirqs_on+0xbd/0x310 [ 251.392999] ? kasan_check_read+0x11/0x20 [ 251.397145] ? finish_task_switch+0x1f4/0x910 [ 251.401636] ? trace_hardirqs_off_caller+0x310/0x310 [ 251.406734] ? compat_start_thread+0x80/0x80 [ 251.411158] ? pvclock_read_flags+0x160/0x160 [ 251.415645] ? __switch_to_asm+0x34/0x70 [ 251.419705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.425241] ? check_preemption_disabled+0x48/0x280 [ 251.430262] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 251.435795] ? rcu_pm_notify+0xc0/0xc0 [ 251.439682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.445217] ? check_preemption_disabled+0x48/0x280 [ 251.450231] run_timer_softirq+0x52/0xb0 [ 251.454289] ? rcu_read_lock_sched_held+0x14f/0x180 [ 251.459303] __do_softirq+0x308/0xb7e [ 251.463108] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 251.468205] ? smpboot_thread_fn+0x334/0xa00 [ 251.472712] ? schedule+0x108/0x460 [ 251.476463] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.481228] ? trace_hardirqs_off+0xb8/0x310 [ 251.485641] ? smpboot_thread_fn+0x68b/0xa00 [ 251.490054] ? trace_hardirqs_on+0x310/0x310 [ 251.494465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.500008] ? check_preemption_disabled+0x48/0x280 [ 251.505027] ? takeover_tasklets+0xa90/0xa90 [ 251.509442] run_ksoftirqd+0x5e/0x100 [ 251.513241] smpboot_thread_fn+0x68b/0xa00 [ 251.517475] ? sort_range+0x30/0x30 [ 251.521099] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 251.526197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.531733] ? __kthread_parkme+0xfb/0x1a0 [ 251.535965] ? sort_range+0x30/0x30 [ 251.539586] kthread+0x35a/0x440 [ 251.542959] ? kthread_stop+0x900/0x900 [ 251.546930] ret_from_fork+0x3a/0x50 [ 251.550650] warn_alloc_show_mem: 1 callbacks suppressed [ 251.550659] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 251.550661] Mem-Info: [ 251.550692] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 251.550692] active_file:12 inactive_file:11 isolated_file:0 [ 251.550692] unevictable:0 dirty:0 writeback:0 unstable:0 [ 251.550692] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 251.550692] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 251.550692] free:13782 free_pcp:358 free_cma:0 [ 251.556113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.563037] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 251.565430] Call Trace: [ 251.598390] 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 [ 251.607731] [ 251.635197] lowmem_reserve[]: 0 2818 6321 6321 [ 251.638101] dump_stack+0x244/0x39d [ 251.664179] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 251.666323] ? dump_stack_print_info.cold.1+0x20/0x20 [ 251.670869] lowmem_reserve[]: 0 0 3503 3503 [ 251.674497] warn_alloc.cold.116+0xb7/0x1bd [ 251.702136] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 251.707316] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.711600] lowmem_reserve[]: 0 0 0 0 [ 251.715921] ? lock_downgrade+0x900/0x900 [ 251.744883] 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 [ 251.749718] ? trace_hardirqs_off+0xb8/0x310 [ 251.753480] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 251.757630] ? trace_hardirqs_off+0xb8/0x310 [ 251.771114] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 251.775531] __alloc_pages_slowpath+0x26e8/0x2e10 [ 251.790675] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 251.795089] ? warn_alloc+0x120/0x120 [ 251.810368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 251.815208] ? print_usage_bug+0xc0/0xc0 [ 251.824007] 266 total pagecache pages [ 251.827795] ? warn_alloc+0x120/0x120 [ 251.836344] 0 pages in swap cache [ 251.840407] ? warn_alloc+0x120/0x120 [ 251.844186] Swap cache stats: add 0, delete 0, find 0/0 [ 251.847969] ? print_usage_bug+0xc0/0xc0 [ 251.851399] Free swap = 0kB [ 251.855188] ? kvm_clock_read+0x18/0x30 [ 251.860526] Total swap = 0kB [ 251.864575] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 251.867565] 1965979 pages RAM [ 251.871524] ? print_usage_bug+0xc0/0xc0 [ 251.874520] 0 pages HighMem/MovableOnly [ 251.879521] ? __lock_acquire+0x62f/0x4c20 [ 251.882603] 342854 pages reserved [ 251.886654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.890596] 0 pages cma reserved [ 251.894816] ? should_fail+0x22d/0xd01 [ 251.898299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.903767] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 251.903784] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.903800] ? __lock_acquire+0x62f/0x4c20 [ 251.907192] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.911017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.917476] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 251.922740] ? __lock_acquire+0x62f/0x4c20 [ 251.956369] ? should_fail+0x22d/0xd01 [ 251.960249] ? rcu_irq_exit+0x1a2/0x390 [ 251.964230] ? mark_held_locks+0x130/0x130 [ 251.968469] ? mark_held_locks+0x130/0x130 [ 251.972720] ? mark_held_locks+0xc7/0x130 [ 251.976861] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 251.981879] ? zap_class+0x640/0x640 [ 251.985586] ? print_usage_bug+0xc0/0xc0 [ 251.989655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.995191] ? check_preemption_disabled+0x48/0x280 [ 252.000215] ? __lock_is_held+0xb5/0x140 [ 252.004280] __alloc_pages_nodemask+0xa80/0xde0 [ 252.008950] ? zap_class+0x640/0x640 [ 252.012663] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 252.017687] ? find_held_lock+0x36/0x1c0 [ 252.021754] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.026419] ? lock_downgrade+0x900/0x900 [ 252.030567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.036102] cache_grow_begin+0xa5/0x8c0 [ 252.040161] ? do_raw_spin_unlock+0xa7/0x330 [ 252.044572] fallback_alloc+0x204/0x2e0 [ 252.048549] ____cache_alloc_node+0x1c7/0x1e0 [ 252.053042] kmem_cache_alloc_node+0xe3/0x730 [ 252.057530] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.061769] __alloc_skb+0x119/0x770 [ 252.065475] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 252.070749] ? netdev_alloc_frag+0x1f0/0x1f0 [ 252.075156] ? lock_downgrade+0x900/0x900 [ 252.079307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.084852] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.090303] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.095848] ? addrconf_rs_timer+0x690/0x690 [ 252.100266] ndisc_alloc_skb+0x144/0x340 [ 252.104324] ndisc_send_rs+0x331/0x6e0 [ 252.108217] addrconf_rs_timer+0x314/0x690 [ 252.112450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.116692] call_timer_fn+0x272/0x920 [ 252.120573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.124803] ? process_timeout+0x40/0x40 [ 252.128871] ? mark_held_locks+0xc7/0x130 [ 252.133015] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.137501] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.141987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.146218] ? lockdep_hardirqs_on+0x296/0x5b0 [ 252.150806] ? trace_hardirqs_on+0xbd/0x310 [ 252.155120] ? kasan_check_read+0x11/0x20 [ 252.159260] ? __run_timers+0x7da/0xc70 [ 252.163230] ? trace_hardirqs_off_caller+0x310/0x310 [ 252.168340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.172586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.176811] __run_timers+0x7e5/0xc70 [ 252.180618] ? timer_fixup_init+0x70/0x70 [ 252.184762] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.189773] ? zap_class+0x640/0x640 [ 252.193487] ? print_usage_bug+0xc0/0xc0 [ 252.197548] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.202744] ? find_held_lock+0x36/0x1c0 [ 252.206806] ? zap_class+0x640/0x640 [ 252.210521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.216054] ? check_preemption_disabled+0x48/0x280 [ 252.221077] ? __lock_is_held+0xb5/0x140 [ 252.225135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.230667] ? check_preemption_disabled+0x48/0x280 [ 252.235683] run_timer_softirq+0x52/0xb0 [ 252.239738] ? rcu_read_lock_sched_held+0x14f/0x180 [ 252.244760] __do_softirq+0x308/0xb7e [ 252.248562] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 252.253051] ? lock_downgrade+0x900/0x900 [ 252.257460] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 252.262568] ? pvclock_read_flags+0x160/0x160 [ 252.267062] ? lapic_next_event+0x5a/0x90 [ 252.271205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.276745] ? kvm_clock_read+0x18/0x30 [ 252.280714] ? kvm_sched_clock_read+0x9/0x20 [ 252.285118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.290651] ? check_preemption_disabled+0x48/0x280 [ 252.295674] irq_exit+0x17f/0x1c0 [ 252.299127] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.303962] ? smp_reschedule_interrupt+0x109/0x650 [ 252.308976] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.314873] ? interrupt_entry+0xb5/0xc0 [ 252.318936] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.323958] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.328975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.333816] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.338827] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.343842] ? task_prio+0x50/0x50 [ 252.347387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.352923] ? check_preemption_disabled+0x48/0x280 [ 252.357943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.362791] apic_timer_interrupt+0xf/0x20 [ 252.367021] [ 252.369252] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 252.374263] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 252.393155] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 252.400859] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 252.408120] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 252.415384] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 252.422647] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 252.429913] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 252.437203] rcu_read_lock_held+0xa9/0xc0 [ 252.441354] css_next_child+0x2a2/0x620 [ 252.445332] ? cgroup_mount+0xd30/0xd30 [ 252.449312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.454853] ? check_preemption_disabled+0x48/0x280 [ 252.459875] ? __lock_is_held+0xb5/0x140 [ 252.463946] css_next_descendant_pre+0xeb/0x190 [ 252.468615] mem_cgroup_iter+0x42f/0x1160 [ 252.472760] ? kasan_check_write+0x14/0x20 [ 252.476998] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 252.481749] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.486766] ? shrink_slab+0xfa/0x8c0 [ 252.490559] ? shrink_active_list+0x1f00/0x1f00 [ 252.495230] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 252.500851] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.505957] ? cgroup_procs_write_finish+0xf0/0xf0 [ 252.510895] ? find_held_lock+0x36/0x1c0 [ 252.514953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.520484] ? vmpressure+0x1a2/0x340 [ 252.524281] shrink_node+0x516/0x16b0 [ 252.528084] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 252.533379] ? shrink_node_memcg+0x18f0/0x18f0 [ 252.537961] ? kvm_clock_read+0x18/0x30 [ 252.541932] ? ktime_get+0x2c1/0x400 [ 252.545645] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 252.550142] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 252.555676] ? __cpuset_node_allowed+0x19b/0x660 [ 252.560427] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 252.566312] ? delayacct_end+0x5a/0x100 [ 252.570288] do_try_to_free_pages+0x3e7/0x1290 [ 252.574870] ? zap_class+0x640/0x640 [ 252.578592] ? shrink_node+0x16b0/0x16b0 [ 252.582651] ? __lock_is_held+0xb5/0x140 [ 252.586717] try_to_free_pages+0x4d0/0xb90 [ 252.591036] ? do_try_to_free_pages+0x1290/0x1290 [ 252.595885] ? lock_acquire+0x1ed/0x520 [ 252.599865] ? set_page_refcounted+0x280/0x280 [ 252.604452] ? lock_release+0xa00/0xa00 [ 252.608425] ? _raw_spin_unlock_irq+0x60/0x80 [ 252.612914] ? psi_memstall_enter+0x240/0x2b0 [ 252.617411] ? psi_memstall_tick+0x230/0x230 [ 252.621830] __alloc_pages_slowpath+0xa14/0x2e10 [ 252.626609] ? warn_alloc+0x120/0x120 [ 252.630405] ? mark_held_locks+0x130/0x130 [ 252.634638] ? find_get_entry+0xaae/0x1120 [ 252.638877] ? filemap_map_pages+0x1a20/0x1a20 [ 252.643459] ? zap_class+0x640/0x640 [ 252.647174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.652705] ? check_preemption_disabled+0x48/0x280 [ 252.657715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.663423] ? should_fail+0x22d/0xd01 [ 252.667316] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.672415] ? zap_class+0x640/0x640 [ 252.676144] ? __lock_is_held+0xb5/0x140 [ 252.680207] ? mark_held_locks+0x130/0x130 [ 252.684439] ? lock_release+0xa00/0xa00 [ 252.688414] ? perf_trace_sched_process_exec+0x860/0x860 [ 252.693862] ? xa_load+0x2ba/0x460 [ 252.697403] ? lock_downgrade+0x900/0x900 [ 252.701550] ? __might_sleep+0x95/0x190 [ 252.705522] __alloc_pages_nodemask+0xa80/0xde0 [ 252.710201] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 252.715214] ? __page_cache_alloc+0x191/0x5c0 [ 252.719701] ? xa_load+0x2e1/0x460 [ 252.723238] ? xa_clear_mark+0x40/0x40 [ 252.727124] ? zap_class+0x640/0x640 [ 252.730850] ? zap_class+0x640/0x640 [ 252.734558] ? zap_class+0x640/0x640 [ 252.738267] ? __do_page_cache_readahead+0x663/0x810 [ 252.743376] ? find_held_lock+0x36/0x1c0 [ 252.747446] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 252.752982] alloc_pages_current+0x173/0x350 [ 252.757391] __page_cache_alloc+0x38c/0x5c0 [ 252.761705] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 252.766633] ? kasan_check_read+0x11/0x20 [ 252.770778] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 252.776056] ? generic_perform_write+0x6a0/0x6a0 [ 252.780811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.786347] ? check_preemption_disabled+0x48/0x280 [ 252.791367] filemap_fault+0x1595/0x25f0 [ 252.795438] ? __lock_page_or_retry+0xa00/0xa00 [ 252.800102] ? mark_held_locks+0x130/0x130 [ 252.804339] ? filemap_map_pages+0xd6b/0x1a20 [ 252.808832] ? lock_downgrade+0x900/0x900 [ 252.812974] ? check_preemption_disabled+0x48/0x280 [ 252.817986] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 252.822923] ? kasan_check_read+0x11/0x20 [ 252.827064] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 252.832334] ? rcu_softirq_qs+0x20/0x20 [ 252.836318] ? filemap_map_pages+0xd92/0x1a20 [ 252.840820] ? print_usage_bug+0xc0/0xc0 [ 252.844885] ? find_get_entries_tag+0x1400/0x1400 [ 252.849724] ? __kasan_slab_free+0x102/0x150 [ 252.854126] ? kasan_slab_free+0xe/0x10 [ 252.858092] ? kmem_cache_free+0x83/0x290 [ 252.862234] ? __sigqueue_free.part.29+0x74/0x90 [ 252.867091] ? lock_acquire+0x1ed/0x520 [ 252.871066] ? ext4_filemap_fault+0x7a/0xad [ 252.875387] ? lock_release+0xa00/0xa00 [ 252.879358] ? perf_trace_sched_process_exec+0x860/0x860 [ 252.884809] ? print_usage_bug+0xc0/0xc0 [ 252.888870] ? print_usage_bug+0xc0/0xc0 [ 252.892938] ? down_read+0x8d/0x120 [ 252.896558] ? ext4_filemap_fault+0x7a/0xad [ 252.900888] ? __down_interruptible+0x700/0x700 [ 252.905559] ext4_filemap_fault+0x82/0xad [ 252.909702] __do_fault+0x100/0x6b0 [ 252.913331] ? pmd_devmap_trans_unstable+0x220/0x220 [ 252.918430] ? mark_held_locks+0x130/0x130 [ 252.922661] ? mark_held_locks+0x130/0x130 [ 252.926892] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 252.932426] ? rcu_pm_notify+0xc0/0xc0 [ 252.936315] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.941853] __handle_mm_fault+0x3ea0/0x5be0 [ 252.946272] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 252.951104] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.955598] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 252.960176] ? trace_hardirqs_on+0xbd/0x310 [ 252.964490] ? kasan_check_read+0x11/0x20 [ 252.968629] ? __set_current_blocked+0xdf/0x120 [ 252.973297] ? trace_hardirqs_off_caller+0x310/0x310 [ 252.978408] ? zap_class+0x640/0x640 [ 252.982114] ? zap_class+0x640/0x640 [ 252.985827] ? find_held_lock+0x36/0x1c0 [ 252.989900] ? handle_mm_fault+0x42a/0xc70 [ 252.994129] ? lock_downgrade+0x900/0x900 [ 252.998276] ? check_preemption_disabled+0x48/0x280 [ 253.003294] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 253.008218] ? kasan_check_read+0x11/0x20 [ 253.012371] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 253.017640] ? rcu_softirq_qs+0x20/0x20 [ 253.021610] ? trace_hardirqs_off_caller+0x310/0x310 [ 253.026709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.032242] ? check_preemption_disabled+0x48/0x280 [ 253.037277] handle_mm_fault+0x54f/0xc70 [ 253.041334] ? __handle_mm_fault+0x5be0/0x5be0 [ 253.045915] ? find_vma+0x34/0x190 [ 253.049456] __do_page_fault+0x5e8/0xe60 [ 253.053518] ? exit_to_usermode_loop+0x1f4/0x380 [ 253.058286] do_page_fault+0xf2/0x7e0 [ 253.062085] ? vmalloc_sync_all+0x30/0x30 [ 253.066230] ? error_entry+0x70/0xd0 [ 253.069948] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.074960] ? trace_hardirqs_on_caller+0xc0/0x310 [ 253.079882] ? syscall_return_slowpath+0x5e0/0x5e0 [ 253.084812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.089653] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.094664] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.100114] ? prepare_exit_to_usermode+0x291/0x3b0 [ 253.105128] ? page_fault+0x8/0x30 [ 253.108667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.113505] ? page_fault+0x8/0x30 [ 253.117044] page_fault+0x1e/0x30 [ 253.120499] RIP: 0033:0x45db60 [ 253.123696] Code: Bad RIP value. [ 253.127053] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 253.132416] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 253.139681] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 253.146941] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 253.154201] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 253.161463] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 253.168747] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 253.168810] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 253.175494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.175499] Call Trace: [ 253.175516] dump_stack+0x244/0x39d [ 253.175535] ? dump_stack_print_info.cold.1+0x20/0x20 [ 253.182074] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.191355] warn_alloc.cold.116+0xb7/0x1bd [ 253.193908] syz-fuzzer cpuset=/ mems_allowed=0 [ 253.197521] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.226584] ? lock_downgrade+0x900/0x900 [ 253.230740] ? trace_hardirqs_off+0xb8/0x310 [ 253.235147] ? trace_hardirqs_off+0xb8/0x310 [ 253.239557] __alloc_pages_slowpath+0x26e8/0x2e10 [ 253.244599] ? warn_alloc+0x120/0x120 [ 253.248396] ? print_usage_bug+0xc0/0xc0 [ 253.252454] ? warn_alloc+0x120/0x120 [ 253.256261] ? warn_alloc+0x120/0x120 [ 253.260063] ? print_usage_bug+0xc0/0xc0 [ 253.264122] ? print_usage_bug+0xc0/0xc0 [ 253.268178] ? __lock_acquire+0x62f/0x4c20 [ 253.272413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.277946] ? should_fail+0x22d/0xd01 [ 253.281831] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.286931] ? __lock_acquire+0x62f/0x4c20 [ 253.291172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.296274] ? __lock_acquire+0x62f/0x4c20 [ 253.300501] ? should_fail+0x22d/0xd01 [ 253.304385] ? find_held_lock+0x36/0x1c0 [ 253.308464] ? mark_held_locks+0x130/0x130 [ 253.312718] ? mark_held_locks+0x130/0x130 [ 253.316949] ? zap_class+0x640/0x640 [ 253.320660] ? zap_class+0x640/0x640 [ 253.324369] ? print_usage_bug+0xc0/0xc0 [ 253.328424] ? do_raw_spin_unlock+0xa7/0x330 [ 253.332827] ? zap_class+0x640/0x640 [ 253.336534] ? print_usage_bug+0xc0/0xc0 [ 253.340592] ? wq_watchdog_touch+0x9c/0xfe [ 253.344822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.350372] ? check_preemption_disabled+0x48/0x280 [ 253.355393] ? __lock_is_held+0xb5/0x140 [ 253.359453] __alloc_pages_nodemask+0xa80/0xde0 [ 253.364115] ? zap_class+0x640/0x640 [ 253.367832] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 253.372856] ? find_held_lock+0x36/0x1c0 [ 253.376923] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.381588] ? lock_downgrade+0x900/0x900 [ 253.385739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.391277] cache_grow_begin+0xa5/0x8c0 [ 253.395329] ? do_raw_spin_unlock+0xa7/0x330 [ 253.399740] fallback_alloc+0x204/0x2e0 [ 253.403719] ____cache_alloc_node+0x1c7/0x1e0 [ 253.408214] kmem_cache_alloc_node+0xe3/0x730 [ 253.412710] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.416953] __alloc_skb+0x119/0x770 [ 253.420671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 253.425946] ? netdev_alloc_frag+0x1f0/0x1f0 [ 253.430350] ? lock_downgrade+0x900/0x900 [ 253.434526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.440065] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.445516] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.450963] ? addrconf_rs_timer+0x690/0x690 [ 253.455378] ndisc_alloc_skb+0x144/0x340 [ 253.459444] ndisc_send_rs+0x331/0x6e0 [ 253.463330] addrconf_rs_timer+0x314/0x690 [ 253.467562] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.471802] call_timer_fn+0x272/0x920 [ 253.475682] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.479909] ? process_timeout+0x40/0x40 [ 253.483971] ? __run_timers+0x7da/0xc70 [ 253.487942] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.492429] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.496919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.501148] ? lockdep_hardirqs_on+0x296/0x5b0 [ 253.505729] ? trace_hardirqs_on+0xbd/0x310 [ 253.510043] ? kasan_check_read+0x11/0x20 [ 253.514188] ? __run_timers+0x7da/0xc70 [ 253.518167] ? trace_hardirqs_off_caller+0x310/0x310 [ 253.523271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.527507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.531738] __run_timers+0x7e5/0xc70 [ 253.535546] ? timer_fixup_init+0x70/0x70 [ 253.539691] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.544176] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.548677] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 253.553261] ? trace_hardirqs_on+0xbd/0x310 [ 253.557755] ? kasan_check_read+0x11/0x20 [ 253.561903] ? finish_task_switch+0x1f4/0x910 [ 253.566393] ? trace_hardirqs_off_caller+0x310/0x310 [ 253.571488] ? compat_start_thread+0x80/0x80 [ 253.575909] ? pvclock_read_flags+0x160/0x160 [ 253.580488] ? __switch_to_asm+0x34/0x70 [ 253.584550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.590086] ? check_preemption_disabled+0x48/0x280 [ 253.595106] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 253.600639] ? rcu_pm_notify+0xc0/0xc0 [ 253.604521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.610060] ? check_preemption_disabled+0x48/0x280 [ 253.615074] run_timer_softirq+0x52/0xb0 [ 253.619133] ? rcu_read_lock_sched_held+0x14f/0x180 [ 253.624150] __do_softirq+0x308/0xb7e [ 253.627954] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 253.633057] ? smpboot_thread_fn+0x334/0xa00 [ 253.637945] ? schedule+0x108/0x460 [ 253.641567] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.646329] ? trace_hardirqs_off+0xb8/0x310 [ 253.650736] ? smpboot_thread_fn+0x68b/0xa00 [ 253.655138] ? trace_hardirqs_on+0x310/0x310 [ 253.659548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.665170] ? check_preemption_disabled+0x48/0x280 [ 253.670194] ? takeover_tasklets+0xa90/0xa90 [ 253.674612] run_ksoftirqd+0x5e/0x100 [ 253.678411] smpboot_thread_fn+0x68b/0xa00 [ 253.682649] ? sort_range+0x30/0x30 [ 253.686273] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.691371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.696904] ? __kthread_parkme+0xfb/0x1a0 [ 253.701137] ? sort_range+0x30/0x30 [ 253.704759] kthread+0x35a/0x440 [ 253.708126] ? kthread_stop+0x900/0x900 [ 253.712099] ret_from_fork+0x3a/0x50 [ 253.715824] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 253.715829] warn_alloc_show_mem: 1 callbacks suppressed [ 253.715835] Mem-Info: [ 253.722755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.728120] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 253.728120] active_file:12 inactive_file:11 isolated_file:0 [ 253.728120] unevictable:0 dirty:0 writeback:0 unstable:0 [ 253.728120] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 253.728120] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 253.728120] free:13782 free_pcp:358 free_cma:0 [ 253.730489] Call Trace: [ 253.740646] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 253.773486] [ 253.776053] 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 [ 253.804240] dump_stack+0x244/0x39d [ 253.804259] ? dump_stack_print_info.cold.1+0x20/0x20 [ 253.806385] lowmem_reserve[]: 0 2818 6321 6321 [ 253.832493] warn_alloc.cold.116+0xb7/0x1bd [ 253.836086] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 253.841354] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.845902] lowmem_reserve[]: 0 0 3503 3503 [ 253.850216] ? lock_downgrade+0x900/0x900 [ 253.877859] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 253.882699] ? trace_hardirqs_off+0xb8/0x310 [ 253.886987] lowmem_reserve[]: 0 0 0 0 [ 253.891129] ? trace_hardirqs_off+0xb8/0x310 [ 253.920164] 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 [ 253.924579] __alloc_pages_slowpath+0x26e8/0x2e10 [ 253.928343] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 253.932781] ? warn_alloc+0x120/0x120 [ 253.946252] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 253.951084] ? print_usage_bug+0xc0/0xc0 [ 253.966236] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 253.970019] ? warn_alloc+0x120/0x120 [ 253.984907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 253.988954] ? warn_alloc+0x120/0x120 [ 253.997759] 266 total pagecache pages [ 254.001548] ? print_usage_bug+0xc0/0xc0 [ 254.010103] 0 pages in swap cache [ 254.013885] ? kvm_clock_read+0x18/0x30 [ 254.017657] Swap cache stats: add 0, delete 0, find 0/0 [ 254.021709] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 254.025128] Free swap = 0kB [ 254.029090] ? print_usage_bug+0xc0/0xc0 [ 254.034427] Total swap = 0kB [ 254.039431] ? __lock_acquire+0x62f/0x4c20 [ 254.042423] 1965979 pages RAM [ 254.046476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.049465] 0 pages HighMem/MovableOnly [ 254.053687] ? should_fail+0x22d/0xd01 [ 254.056767] 342854 pages reserved [ 254.062288] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.066233] 0 pages cma reserved [ 254.070110] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.073611] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.078795] ? __lock_acquire+0x62f/0x4c20 [ 254.082323] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.087230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.093693] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 254.097912] ? __lock_acquire+0x62f/0x4c20 [ 254.097926] ? should_fail+0x22d/0xd01 [ 254.126044] ? rcu_irq_exit+0x1a2/0x390 [ 254.130033] ? mark_held_locks+0x130/0x130 [ 254.134270] ? mark_held_locks+0x130/0x130 [ 254.138510] ? mark_held_locks+0xc7/0x130 [ 254.142656] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 254.147670] ? zap_class+0x640/0x640 [ 254.151386] ? print_usage_bug+0xc0/0xc0 [ 254.155449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.160990] ? check_preemption_disabled+0x48/0x280 [ 254.166012] ? __lock_is_held+0xb5/0x140 [ 254.170072] __alloc_pages_nodemask+0xa80/0xde0 [ 254.174735] ? zap_class+0x640/0x640 [ 254.178451] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 254.183470] ? find_held_lock+0x36/0x1c0 [ 254.187534] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.192198] ? lock_downgrade+0x900/0x900 [ 254.196349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.201884] cache_grow_begin+0xa5/0x8c0 [ 254.205944] ? do_raw_spin_unlock+0xa7/0x330 [ 254.210353] fallback_alloc+0x204/0x2e0 [ 254.214349] ____cache_alloc_node+0x1c7/0x1e0 [ 254.218848] kmem_cache_alloc_node+0xe3/0x730 [ 254.223343] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.227582] __alloc_skb+0x119/0x770 [ 254.231290] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.236563] ? netdev_alloc_frag+0x1f0/0x1f0 [ 254.240968] ? lock_downgrade+0x900/0x900 [ 254.245127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.250679] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.256134] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.261589] ? addrconf_rs_timer+0x690/0x690 [ 254.266005] ndisc_alloc_skb+0x144/0x340 [ 254.270063] ndisc_send_rs+0x331/0x6e0 [ 254.273950] addrconf_rs_timer+0x314/0x690 [ 254.278184] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.282425] call_timer_fn+0x272/0x920 [ 254.286307] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.290540] ? process_timeout+0x40/0x40 [ 254.294695] ? mark_held_locks+0xc7/0x130 [ 254.298837] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.303328] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.307828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.312056] ? lockdep_hardirqs_on+0x296/0x5b0 [ 254.316632] ? trace_hardirqs_on+0xbd/0x310 [ 254.320949] ? kasan_check_read+0x11/0x20 [ 254.325095] ? __run_timers+0x7da/0xc70 [ 254.329065] ? trace_hardirqs_off_caller+0x310/0x310 [ 254.334173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.338406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.342634] __run_timers+0x7e5/0xc70 [ 254.346441] ? timer_fixup_init+0x70/0x70 [ 254.350603] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.355615] ? zap_class+0x640/0x640 [ 254.359326] ? print_usage_bug+0xc0/0xc0 [ 254.363382] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.368570] ? find_held_lock+0x36/0x1c0 [ 254.372634] ? zap_class+0x640/0x640 [ 254.376350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.381882] ? check_preemption_disabled+0x48/0x280 [ 254.386904] ? __lock_is_held+0xb5/0x140 [ 254.390960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.396492] ? check_preemption_disabled+0x48/0x280 [ 254.401506] run_timer_softirq+0x52/0xb0 [ 254.405565] ? rcu_read_lock_sched_held+0x14f/0x180 [ 254.410579] __do_softirq+0x308/0xb7e [ 254.414378] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 254.418865] ? lock_downgrade+0x900/0x900 [ 254.423012] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 254.428121] ? pvclock_read_flags+0x160/0x160 [ 254.432623] ? lapic_next_event+0x5a/0x90 [ 254.436769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.442311] ? kvm_clock_read+0x18/0x30 [ 254.446279] ? kvm_sched_clock_read+0x9/0x20 [ 254.450688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.456224] ? check_preemption_disabled+0x48/0x280 [ 254.461246] irq_exit+0x17f/0x1c0 [ 254.464697] smp_apic_timer_interrupt+0x1cb/0x760 [ 254.469540] ? smp_reschedule_interrupt+0x109/0x650 [ 254.474552] ? smp_call_function_single_interrupt+0x650/0x650 [ 254.480430] ? interrupt_entry+0xb5/0xc0 [ 254.484486] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.489499] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.494510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.499348] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.504365] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.509374] ? task_prio+0x50/0x50 [ 254.512915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.518450] ? check_preemption_disabled+0x48/0x280 [ 254.523463] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.528328] apic_timer_interrupt+0xf/0x20 [ 254.532554] [ 254.534788] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 254.539797] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 254.558694] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 254.566394] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 254.573830] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 254.581093] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 254.588368] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 254.595629] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 254.602923] rcu_read_lock_held+0xa9/0xc0 [ 254.607065] css_next_child+0x2a2/0x620 [ 254.611040] ? cgroup_mount+0xd30/0xd30 [ 254.615012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.620552] ? check_preemption_disabled+0x48/0x280 [ 254.625571] ? __lock_is_held+0xb5/0x140 [ 254.629638] css_next_descendant_pre+0xeb/0x190 [ 254.634324] mem_cgroup_iter+0x42f/0x1160 [ 254.638468] ? kasan_check_write+0x14/0x20 [ 254.642705] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 254.647454] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.652473] ? shrink_slab+0xfa/0x8c0 [ 254.656269] ? shrink_active_list+0x1f00/0x1f00 [ 254.660937] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 254.666560] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.671669] ? cgroup_procs_write_finish+0xf0/0xf0 [ 254.676599] ? find_held_lock+0x36/0x1c0 [ 254.680657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.686189] ? vmpressure+0x1a2/0x340 [ 254.689987] shrink_node+0x516/0x16b0 [ 254.693795] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 254.699090] ? shrink_node_memcg+0x18f0/0x18f0 [ 254.703682] ? kvm_clock_read+0x18/0x30 [ 254.707655] ? ktime_get+0x2c1/0x400 [ 254.711372] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 254.715864] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 254.721396] ? __cpuset_node_allowed+0x19b/0x660 [ 254.726152] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 254.731860] ? delayacct_end+0x5a/0x100 [ 254.735841] do_try_to_free_pages+0x3e7/0x1290 [ 254.740417] ? zap_class+0x640/0x640 [ 254.744144] ? shrink_node+0x16b0/0x16b0 [ 254.748200] ? __lock_is_held+0xb5/0x140 [ 254.752616] try_to_free_pages+0x4d0/0xb90 [ 254.756857] ? do_try_to_free_pages+0x1290/0x1290 [ 254.761709] ? lock_acquire+0x1ed/0x520 [ 254.765682] ? set_page_refcounted+0x280/0x280 [ 254.770264] ? lock_release+0xa00/0xa00 [ 254.774237] ? _raw_spin_unlock_irq+0x60/0x80 [ 254.778729] ? psi_memstall_enter+0x240/0x2b0 [ 254.783218] ? psi_memstall_tick+0x230/0x230 [ 254.787630] __alloc_pages_slowpath+0xa14/0x2e10 [ 254.792410] ? warn_alloc+0x120/0x120 [ 254.796207] ? mark_held_locks+0x130/0x130 [ 254.800439] ? find_get_entry+0xaae/0x1120 [ 254.804679] ? filemap_map_pages+0x1a20/0x1a20 [ 254.809258] ? zap_class+0x640/0x640 [ 254.812970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.818505] ? check_preemption_disabled+0x48/0x280 [ 254.823524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.829069] ? should_fail+0x22d/0xd01 [ 254.832964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.838063] ? zap_class+0x640/0x640 [ 254.841795] ? __lock_is_held+0xb5/0x140 [ 254.845860] ? mark_held_locks+0x130/0x130 [ 254.850111] ? lock_release+0xa00/0xa00 [ 254.854080] ? perf_trace_sched_process_exec+0x860/0x860 [ 254.859530] ? xa_load+0x2ba/0x460 [ 254.863066] ? lock_downgrade+0x900/0x900 [ 254.867225] ? __might_sleep+0x95/0x190 [ 254.871200] __alloc_pages_nodemask+0xa80/0xde0 [ 254.875873] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 254.880883] ? __page_cache_alloc+0x191/0x5c0 [ 254.885371] ? xa_load+0x2e1/0x460 [ 254.888918] ? xa_clear_mark+0x40/0x40 [ 254.892806] ? zap_class+0x640/0x640 [ 254.896520] ? zap_class+0x640/0x640 [ 254.900232] ? zap_class+0x640/0x640 [ 254.903939] ? __do_page_cache_readahead+0x663/0x810 [ 254.909039] ? find_held_lock+0x36/0x1c0 [ 254.913106] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 254.918650] alloc_pages_current+0x173/0x350 [ 254.923060] __page_cache_alloc+0x38c/0x5c0 [ 254.927382] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 254.932303] ? kasan_check_read+0x11/0x20 [ 254.936447] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.941720] ? generic_perform_write+0x6a0/0x6a0 [ 254.946471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.952003] ? check_preemption_disabled+0x48/0x280 [ 254.957024] filemap_fault+0x1595/0x25f0 [ 254.961101] ? __lock_page_or_retry+0xa00/0xa00 [ 254.965771] ? mark_held_locks+0x130/0x130 [ 254.970010] ? filemap_map_pages+0xd6b/0x1a20 [ 254.974503] ? lock_downgrade+0x900/0x900 [ 254.978648] ? check_preemption_disabled+0x48/0x280 [ 254.983661] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 254.988582] ? kasan_check_read+0x11/0x20 [ 254.992724] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.998000] ? rcu_softirq_qs+0x20/0x20 [ 255.001980] ? filemap_map_pages+0xd92/0x1a20 [ 255.006475] ? print_usage_bug+0xc0/0xc0 [ 255.010538] ? find_get_entries_tag+0x1400/0x1400 [ 255.015376] ? __kasan_slab_free+0x102/0x150 [ 255.019781] ? kasan_slab_free+0xe/0x10 [ 255.023747] ? kmem_cache_free+0x83/0x290 [ 255.027890] ? __sigqueue_free.part.29+0x74/0x90 [ 255.032664] ? lock_acquire+0x1ed/0x520 [ 255.036634] ? ext4_filemap_fault+0x7a/0xad [ 255.040959] ? lock_release+0xa00/0xa00 [ 255.044928] ? perf_trace_sched_process_exec+0x860/0x860 [ 255.050375] ? print_usage_bug+0xc0/0xc0 [ 255.054433] ? print_usage_bug+0xc0/0xc0 [ 255.058503] ? down_read+0x8d/0x120 [ 255.062125] ? ext4_filemap_fault+0x7a/0xad [ 255.066446] ? __down_interruptible+0x700/0x700 [ 255.071121] ext4_filemap_fault+0x82/0xad [ 255.075279] __do_fault+0x100/0x6b0 [ 255.078902] ? pmd_devmap_trans_unstable+0x220/0x220 [ 255.084002] ? mark_held_locks+0x130/0x130 [ 255.088235] ? mark_held_locks+0x130/0x130 [ 255.092470] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 255.098003] ? rcu_pm_notify+0xc0/0xc0 [ 255.101896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.107436] __handle_mm_fault+0x3ea0/0x5be0 [ 255.111845] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 255.116683] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.121180] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 255.125760] ? trace_hardirqs_on+0xbd/0x310 [ 255.130084] ? kasan_check_read+0x11/0x20 [ 255.134231] ? __set_current_blocked+0xdf/0x120 [ 255.138896] ? trace_hardirqs_off_caller+0x310/0x310 [ 255.144002] ? zap_class+0x640/0x640 [ 255.147713] ? zap_class+0x640/0x640 [ 255.151427] ? find_held_lock+0x36/0x1c0 [ 255.155496] ? handle_mm_fault+0x42a/0xc70 [ 255.159741] ? lock_downgrade+0x900/0x900 [ 255.163888] ? check_preemption_disabled+0x48/0x280 [ 255.168909] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 255.173834] ? kasan_check_read+0x11/0x20 [ 255.177987] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 255.183259] ? rcu_softirq_qs+0x20/0x20 [ 255.187231] ? trace_hardirqs_off_caller+0x310/0x310 [ 255.192330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.197867] ? check_preemption_disabled+0x48/0x280 [ 255.202887] handle_mm_fault+0x54f/0xc70 [ 255.206947] ? __handle_mm_fault+0x5be0/0x5be0 [ 255.211529] ? find_vma+0x34/0x190 [ 255.215078] __do_page_fault+0x5e8/0xe60 [ 255.219138] ? exit_to_usermode_loop+0x1f4/0x380 [ 255.223896] do_page_fault+0xf2/0x7e0 [ 255.227692] ? vmalloc_sync_all+0x30/0x30 [ 255.231836] ? error_entry+0x70/0xd0 [ 255.235548] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.240561] ? trace_hardirqs_on_caller+0xc0/0x310 [ 255.245487] ? syscall_return_slowpath+0x5e0/0x5e0 [ 255.250408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.255248] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.260262] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.265714] ? prepare_exit_to_usermode+0x291/0x3b0 [ 255.270725] ? page_fault+0x8/0x30 [ 255.274262] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.279101] ? page_fault+0x8/0x30 [ 255.282640] page_fault+0x1e/0x30 [ 255.286087] RIP: 0033:0x45db60 [ 255.289298] Code: Bad RIP value. [ 255.292653] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 255.298006] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 255.305269] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 255.312536] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 255.319795] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 255.327066] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 255.334352] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 255.334411] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.341103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.341110] Call Trace: [ 255.347694] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.356944] dump_stack+0x244/0x39d [ 255.359500] syz-fuzzer cpuset=/ mems_allowed=0 [ 255.369714] ? dump_stack_print_info.cold.1+0x20/0x20 [ 255.383077] warn_alloc.cold.116+0xb7/0x1bd [ 255.387403] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.392247] ? lock_downgrade+0x900/0x900 [ 255.396398] ? trace_hardirqs_off+0xb8/0x310 [ 255.400807] ? trace_hardirqs_off+0xb8/0x310 [ 255.405218] __alloc_pages_slowpath+0x26e8/0x2e10 [ 255.410092] ? warn_alloc+0x120/0x120 [ 255.413895] ? warn_alloc+0x120/0x120 [ 255.417695] ? warn_alloc+0x120/0x120 [ 255.421498] ? print_usage_bug+0xc0/0xc0 [ 255.425562] ? print_usage_bug+0xc0/0xc0 [ 255.429624] ? print_usage_bug+0xc0/0xc0 [ 255.433679] ? find_held_lock+0x36/0x1c0 [ 255.437741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.443275] ? should_fail+0x22d/0xd01 [ 255.447156] ? try_to_wake_up+0x11c/0x1490 [ 255.451391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.456493] ? __lock_acquire+0x62f/0x4c20 [ 255.460727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.465822] ? __lock_acquire+0x62f/0x4c20 [ 255.470062] ? should_fail+0x22d/0xd01 [ 255.473961] ? mark_held_locks+0x130/0x130 [ 255.478199] ? mark_held_locks+0x130/0x130 [ 255.482428] ? try_to_wake_up+0x11c/0x1490 [ 255.486655] ? zap_class+0x640/0x640 [ 255.490362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.495893] ? check_preemption_disabled+0x48/0x280 [ 255.500906] ? zap_class+0x640/0x640 [ 255.504613] ? print_usage_bug+0xc0/0xc0 [ 255.508676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.514209] ? check_preemption_disabled+0x48/0x280 [ 255.519226] ? __lock_is_held+0xb5/0x140 [ 255.523285] __alloc_pages_nodemask+0xa80/0xde0 [ 255.527946] ? zap_class+0x640/0x640 [ 255.531660] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 255.536685] ? find_held_lock+0x36/0x1c0 [ 255.540749] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.545411] ? lock_downgrade+0x900/0x900 [ 255.549562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.555101] cache_grow_begin+0xa5/0x8c0 [ 255.559155] ? do_raw_spin_unlock+0xa7/0x330 [ 255.563564] fallback_alloc+0x204/0x2e0 [ 255.567547] ____cache_alloc_node+0x1c7/0x1e0 [ 255.572051] kmem_cache_alloc_node+0xe3/0x730 [ 255.576547] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.580959] __alloc_skb+0x119/0x770 [ 255.584665] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 255.589938] ? netdev_alloc_frag+0x1f0/0x1f0 [ 255.594345] ? lock_downgrade+0x900/0x900 [ 255.598501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.604043] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.609496] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.614944] ? addrconf_rs_timer+0x690/0x690 [ 255.619356] ndisc_alloc_skb+0x144/0x340 [ 255.623413] ndisc_send_rs+0x331/0x6e0 [ 255.627385] addrconf_rs_timer+0x314/0x690 [ 255.631626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.636377] call_timer_fn+0x272/0x920 [ 255.640261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.644494] ? process_timeout+0x40/0x40 [ 255.648645] ? __run_timers+0x7da/0xc70 [ 255.652613] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.657105] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.661594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.665823] ? lockdep_hardirqs_on+0x296/0x5b0 [ 255.670401] ? trace_hardirqs_on+0xbd/0x310 [ 255.674716] ? kasan_check_read+0x11/0x20 [ 255.678854] ? __run_timers+0x7da/0xc70 [ 255.682823] ? trace_hardirqs_off_caller+0x310/0x310 [ 255.687928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.692159] __run_timers+0x7e5/0xc70 [ 255.695962] ? timer_fixup_init+0x70/0x70 [ 255.700102] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.704591] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.709085] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 255.713662] ? trace_hardirqs_on+0xbd/0x310 [ 255.717988] ? kasan_check_read+0x11/0x20 [ 255.722133] ? finish_task_switch+0x1f4/0x910 [ 255.726628] ? trace_hardirqs_off_caller+0x310/0x310 [ 255.731728] ? compat_start_thread+0x80/0x80 [ 255.736148] ? pvclock_read_flags+0x160/0x160 [ 255.740633] ? __switch_to_asm+0x34/0x70 [ 255.744693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.750224] ? check_preemption_disabled+0x48/0x280 [ 255.755242] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 255.760776] ? rcu_pm_notify+0xc0/0xc0 [ 255.764662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.770203] ? check_preemption_disabled+0x48/0x280 [ 255.775221] run_timer_softirq+0x52/0xb0 [ 255.779278] ? rcu_read_lock_sched_held+0x14f/0x180 [ 255.784288] __do_softirq+0x308/0xb7e [ 255.788094] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 255.793195] ? smpboot_thread_fn+0x334/0xa00 [ 255.797615] ? schedule+0x108/0x460 [ 255.802113] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.807353] ? trace_hardirqs_off+0xb8/0x310 [ 255.811763] ? smpboot_thread_fn+0x68b/0xa00 [ 255.816169] ? trace_hardirqs_on+0x310/0x310 [ 255.820572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.826197] ? check_preemption_disabled+0x48/0x280 [ 255.831208] ? takeover_tasklets+0xa90/0xa90 [ 255.835612] run_ksoftirqd+0x5e/0x100 [ 255.839408] smpboot_thread_fn+0x68b/0xa00 [ 255.843644] ? sort_range+0x30/0x30 [ 255.847266] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.852364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.857913] ? __kthread_parkme+0xfb/0x1a0 [ 255.862148] ? sort_range+0x30/0x30 [ 255.865783] kthread+0x35a/0x440 [ 255.869149] ? kthread_stop+0x900/0x900 [ 255.873126] ret_from_fork+0x3a/0x50 [ 255.876850] warn_alloc_show_mem: 1 callbacks suppressed [ 255.876859] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 255.876861] Mem-Info: [ 255.876893] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 255.876893] active_file:12 inactive_file:11 isolated_file:0 [ 255.876893] unevictable:0 dirty:0 writeback:0 unstable:0 [ 255.876893] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 255.876893] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 255.876893] free:13782 free_pcp:358 free_cma:0 [ 255.882220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.889143] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 255.891530] Call Trace: [ 255.924388] 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 [ 255.933726] [ 255.961199] lowmem_reserve[]: 0 2818 6321 6321 [ 255.963775] dump_stack+0x244/0x39d [ 255.989853] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 255.991996] ? dump_stack_print_info.cold.1+0x20/0x20 [ 255.996553] lowmem_reserve[]: 0 0 3503 3503 [ 256.000177] warn_alloc.cold.116+0xb7/0x1bd [ 256.027810] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 256.033009] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.037295] lowmem_reserve[]: 0 0 0 0 [ 256.041609] ? lock_downgrade+0x900/0x900 [ 256.070555] 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 [ 256.075397] ? trace_hardirqs_off+0xb8/0x310 [ 256.079168] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 256.083308] ? trace_hardirqs_off+0xb8/0x310 [ 256.096795] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 256.101196] __alloc_pages_slowpath+0x26e8/0x2e10 [ 256.116339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 256.120757] ? warn_alloc+0x120/0x120 [ 256.135628] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 256.140457] ? print_usage_bug+0xc0/0xc0 [ 256.149267] 266 total pagecache pages [ 256.153056] ? warn_alloc+0x120/0x120 [ 256.161610] 0 pages in swap cache [ 256.165651] ? warn_alloc+0x120/0x120 [ 256.169423] Swap cache stats: add 0, delete 0, find 0/0 [ 256.173208] ? print_usage_bug+0xc0/0xc0 [ 256.176633] Free swap = 0kB [ 256.180429] ? kvm_clock_read+0x18/0x30 [ 256.185760] Total swap = 0kB [ 256.189807] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 256.192796] 1965979 pages RAM [ 256.196754] ? print_usage_bug+0xc0/0xc0 [ 256.199746] 0 pages HighMem/MovableOnly [ 256.204748] ? __lock_acquire+0x62f/0x4c20 [ 256.207826] 342854 pages reserved [ 256.211876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.215819] 0 pages cma reserved [ 256.220039] ? should_fail+0x22d/0xd01 [ 256.223518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.228996] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.232410] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.236215] ? __lock_acquire+0x62f/0x4c20 [ 256.242689] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 256.247783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.272020] ? __lock_acquire+0x62f/0x4c20 [ 256.276252] ? should_fail+0x22d/0xd01 [ 256.280149] ? mark_held_locks+0x130/0x130 [ 256.284385] ? mark_held_locks+0x130/0x130 [ 256.288622] ? zap_class+0x640/0x640 [ 256.292331] ? print_usage_bug+0xc0/0xc0 [ 256.296391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.301923] ? check_preemption_disabled+0x48/0x280 [ 256.306941] ? __lock_is_held+0xb5/0x140 [ 256.311015] __alloc_pages_nodemask+0xa80/0xde0 [ 256.315678] ? zap_class+0x640/0x640 [ 256.319391] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 256.324414] ? find_held_lock+0x36/0x1c0 [ 256.328476] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.333142] ? lock_downgrade+0x900/0x900 [ 256.337290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.342827] cache_grow_begin+0xa5/0x8c0 [ 256.346882] ? do_raw_spin_unlock+0xa7/0x330 [ 256.351292] fallback_alloc+0x204/0x2e0 [ 256.355268] ____cache_alloc_node+0x1c7/0x1e0 [ 256.359766] kmem_cache_alloc_node+0xe3/0x730 [ 256.364256] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.368498] __alloc_skb+0x119/0x770 [ 256.372213] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 256.377487] ? netdev_alloc_frag+0x1f0/0x1f0 [ 256.381891] ? lock_downgrade+0x900/0x900 [ 256.386041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.391572] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.397022] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.402465] ? addrconf_rs_timer+0x690/0x690 [ 256.406878] ndisc_alloc_skb+0x144/0x340 [ 256.410938] ndisc_send_rs+0x331/0x6e0 [ 256.414832] addrconf_rs_timer+0x314/0x690 [ 256.419064] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.423300] call_timer_fn+0x272/0x920 [ 256.427182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.431415] ? process_timeout+0x40/0x40 [ 256.435478] ? mark_held_locks+0xc7/0x130 [ 256.439625] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.444114] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.448605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.452834] ? lockdep_hardirqs_on+0x296/0x5b0 [ 256.457415] ? trace_hardirqs_on+0xbd/0x310 [ 256.461728] ? kasan_check_read+0x11/0x20 [ 256.465873] ? __run_timers+0x7da/0xc70 [ 256.469841] ? trace_hardirqs_off_caller+0x310/0x310 [ 256.474949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.479189] __run_timers+0x7e5/0xc70 [ 256.483000] ? timer_fixup_init+0x70/0x70 [ 256.487143] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.492158] ? zap_class+0x640/0x640 [ 256.495874] ? print_usage_bug+0xc0/0xc0 [ 256.499935] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.505135] ? find_held_lock+0x36/0x1c0 [ 256.509194] ? zap_class+0x640/0x640 [ 256.512912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.518443] ? check_preemption_disabled+0x48/0x280 [ 256.523469] ? __lock_is_held+0xb5/0x140 [ 256.527529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.533070] ? check_preemption_disabled+0x48/0x280 [ 256.538083] run_timer_softirq+0x52/0xb0 [ 256.542138] ? rcu_read_lock_sched_held+0x14f/0x180 [ 256.547149] __do_softirq+0x308/0xb7e [ 256.551041] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 256.555533] ? lock_downgrade+0x900/0x900 [ 256.559690] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 256.564805] ? pvclock_read_flags+0x160/0x160 [ 256.569297] ? lapic_next_event+0x5a/0x90 [ 256.573444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.578990] ? kvm_clock_read+0x18/0x30 [ 256.582967] ? kvm_sched_clock_read+0x9/0x20 [ 256.587370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.592905] ? check_preemption_disabled+0x48/0x280 [ 256.597925] irq_exit+0x17f/0x1c0 [ 256.601378] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.606212] ? smp_reschedule_interrupt+0x109/0x650 [ 256.611223] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.617100] ? interrupt_entry+0xb5/0xc0 [ 256.621158] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.626168] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.631181] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.636023] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.641033] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.646041] ? task_prio+0x50/0x50 [ 256.649579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.655113] ? check_preemption_disabled+0x48/0x280 [ 256.660129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.664978] apic_timer_interrupt+0xf/0x20 [ 256.669199] [ 256.671431] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 256.676442] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 256.695346] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 256.703050] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 256.710312] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 256.717572] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 256.724848] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 256.732110] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 256.739403] rcu_read_lock_held+0xa9/0xc0 [ 256.743549] css_next_child+0x2a2/0x620 [ 256.747522] ? cgroup_mount+0xd30/0xd30 [ 256.751502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.757034] ? check_preemption_disabled+0x48/0x280 [ 256.762053] ? __lock_is_held+0xb5/0x140 [ 256.766146] css_next_descendant_pre+0xeb/0x190 [ 256.770812] mem_cgroup_iter+0x42f/0x1160 [ 256.774965] ? kasan_check_write+0x14/0x20 [ 256.779201] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 256.783958] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.788972] ? shrink_slab+0xfa/0x8c0 [ 256.792769] ? shrink_active_list+0x1f00/0x1f00 [ 256.797438] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 256.803298] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.808410] ? cgroup_procs_write_finish+0xf0/0xf0 [ 256.813341] ? find_held_lock+0x36/0x1c0 [ 256.817401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.822948] ? vmpressure+0x1a2/0x340 [ 256.826746] shrink_node+0x516/0x16b0 [ 256.830542] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 256.835835] ? shrink_node_memcg+0x18f0/0x18f0 [ 256.840416] ? kvm_clock_read+0x18/0x30 [ 256.844495] ? ktime_get+0x2c1/0x400 [ 256.848207] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 256.852703] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.858232] ? __cpuset_node_allowed+0x19b/0x660 [ 256.862985] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 256.868690] ? delayacct_end+0x5a/0x100 [ 256.872670] do_try_to_free_pages+0x3e7/0x1290 [ 256.877243] ? zap_class+0x640/0x640 [ 256.880971] ? shrink_node+0x16b0/0x16b0 [ 256.885026] ? __lock_is_held+0xb5/0x140 [ 256.889092] try_to_free_pages+0x4d0/0xb90 [ 256.893330] ? do_try_to_free_pages+0x1290/0x1290 [ 256.898180] ? lock_acquire+0x1ed/0x520 [ 256.902151] ? set_page_refcounted+0x280/0x280 [ 256.906738] ? lock_release+0xa00/0xa00 [ 256.910704] ? _raw_spin_unlock_irq+0x60/0x80 [ 256.915194] ? psi_memstall_enter+0x240/0x2b0 [ 256.919684] ? psi_memstall_tick+0x230/0x230 [ 256.924100] __alloc_pages_slowpath+0xa14/0x2e10 [ 256.928876] ? warn_alloc+0x120/0x120 [ 256.932673] ? mark_held_locks+0x130/0x130 [ 256.936907] ? find_get_entry+0xaae/0x1120 [ 256.941153] ? filemap_map_pages+0x1a20/0x1a20 [ 256.945748] ? zap_class+0x640/0x640 [ 256.949465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.954995] ? check_preemption_disabled+0x48/0x280 [ 256.960011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.965550] ? should_fail+0x22d/0xd01 [ 256.969435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.974537] ? zap_class+0x640/0x640 [ 256.978266] ? __lock_is_held+0xb5/0x140 [ 256.982333] ? mark_held_locks+0x130/0x130 [ 256.986562] ? lock_release+0xa00/0xa00 [ 256.990535] ? perf_trace_sched_process_exec+0x860/0x860 [ 256.995984] ? xa_load+0x2ba/0x460 [ 256.999522] ? lock_downgrade+0x900/0x900 [ 257.003668] ? __might_sleep+0x95/0x190 [ 257.007641] __alloc_pages_nodemask+0xa80/0xde0 [ 257.012312] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 257.017323] ? __page_cache_alloc+0x191/0x5c0 [ 257.021812] ? xa_load+0x2e1/0x460 [ 257.025435] ? xa_clear_mark+0x40/0x40 [ 257.029324] ? zap_class+0x640/0x640 [ 257.033039] ? zap_class+0x640/0x640 [ 257.036745] ? zap_class+0x640/0x640 [ 257.040459] ? __do_page_cache_readahead+0x663/0x810 [ 257.045560] ? find_held_lock+0x36/0x1c0 [ 257.049623] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 257.055164] alloc_pages_current+0x173/0x350 [ 257.059577] __page_cache_alloc+0x38c/0x5c0 [ 257.063890] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.068822] ? kasan_check_read+0x11/0x20 [ 257.072964] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.078235] ? generic_perform_write+0x6a0/0x6a0 [ 257.082988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.088522] ? check_preemption_disabled+0x48/0x280 [ 257.093544] filemap_fault+0x1595/0x25f0 [ 257.097610] ? __lock_page_or_retry+0xa00/0xa00 [ 257.102276] ? mark_held_locks+0x130/0x130 [ 257.106512] ? filemap_map_pages+0xd6b/0x1a20 [ 257.111004] ? lock_downgrade+0x900/0x900 [ 257.115160] ? check_preemption_disabled+0x48/0x280 [ 257.120177] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.125103] ? kasan_check_read+0x11/0x20 [ 257.129245] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.134518] ? rcu_softirq_qs+0x20/0x20 [ 257.138499] ? filemap_map_pages+0xd92/0x1a20 [ 257.142994] ? print_usage_bug+0xc0/0xc0 [ 257.147054] ? find_get_entries_tag+0x1400/0x1400 [ 257.151888] ? __kasan_slab_free+0x102/0x150 [ 257.156296] ? kasan_slab_free+0xe/0x10 [ 257.160268] ? kmem_cache_free+0x83/0x290 [ 257.164415] ? __sigqueue_free.part.29+0x74/0x90 [ 257.169188] ? lock_acquire+0x1ed/0x520 [ 257.173159] ? ext4_filemap_fault+0x7a/0xad [ 257.177482] ? lock_release+0xa00/0xa00 [ 257.181454] ? perf_trace_sched_process_exec+0x860/0x860 [ 257.186910] ? print_usage_bug+0xc0/0xc0 [ 257.190977] ? print_usage_bug+0xc0/0xc0 [ 257.195044] ? down_read+0x8d/0x120 [ 257.198665] ? ext4_filemap_fault+0x7a/0xad [ 257.202983] ? __down_interruptible+0x700/0x700 [ 257.207657] ext4_filemap_fault+0x82/0xad [ 257.211805] __do_fault+0x100/0x6b0 [ 257.215436] ? pmd_devmap_trans_unstable+0x220/0x220 [ 257.220540] ? mark_held_locks+0x130/0x130 [ 257.225378] ? mark_held_locks+0x130/0x130 [ 257.229610] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 257.235142] ? rcu_pm_notify+0xc0/0xc0 [ 257.239033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.244576] __handle_mm_fault+0x3ea0/0x5be0 [ 257.248989] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 257.253825] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.258318] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 257.262908] ? trace_hardirqs_on+0xbd/0x310 [ 257.267222] ? kasan_check_read+0x11/0x20 [ 257.271364] ? __set_current_blocked+0xdf/0x120 [ 257.276033] ? trace_hardirqs_off_caller+0x310/0x310 [ 257.281140] ? zap_class+0x640/0x640 [ 257.284847] ? zap_class+0x640/0x640 [ 257.288572] ? find_held_lock+0x36/0x1c0 [ 257.292635] ? handle_mm_fault+0x42a/0xc70 [ 257.296869] ? lock_downgrade+0x900/0x900 [ 257.301019] ? check_preemption_disabled+0x48/0x280 [ 257.306033] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.310956] ? kasan_check_read+0x11/0x20 [ 257.315104] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.320375] ? rcu_softirq_qs+0x20/0x20 [ 257.324343] ? trace_hardirqs_off_caller+0x310/0x310 [ 257.329446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.334978] ? check_preemption_disabled+0x48/0x280 [ 257.339995] handle_mm_fault+0x54f/0xc70 [ 257.344053] ? __handle_mm_fault+0x5be0/0x5be0 [ 257.348635] ? find_vma+0x34/0x190 [ 257.352183] __do_page_fault+0x5e8/0xe60 [ 257.356246] ? exit_to_usermode_loop+0x1f4/0x380 [ 257.361004] do_page_fault+0xf2/0x7e0 [ 257.364802] ? vmalloc_sync_all+0x30/0x30 [ 257.368942] ? error_entry+0x70/0xd0 [ 257.372656] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.377664] ? trace_hardirqs_on_caller+0xc0/0x310 [ 257.382592] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.387514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.392351] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.397364] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.402810] ? prepare_exit_to_usermode+0x291/0x3b0 [ 257.407824] ? page_fault+0x8/0x30 [ 257.411364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.416207] ? page_fault+0x8/0x30 [ 257.419746] page_fault+0x1e/0x30 [ 257.423193] RIP: 0033:0x45db60 [ 257.426397] Code: Bad RIP value. [ 257.429757] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 257.435112] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 257.442373] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 257.449636] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 257.456900] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 257.464161] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 257.471451] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 257.471511] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.478200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.478205] Call Trace: [ 257.478222] dump_stack+0x244/0x39d [ 257.478241] ? dump_stack_print_info.cold.1+0x20/0x20 [ 257.484782] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.494060] warn_alloc.cold.116+0xb7/0x1bd [ 257.496609] syz-fuzzer cpuset=/ mems_allowed=0 [ 257.500225] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.529290] ? lock_downgrade+0x900/0x900 [ 257.533443] ? trace_hardirqs_off+0xb8/0x310 [ 257.537852] ? trace_hardirqs_off+0xb8/0x310 [ 257.542278] __alloc_pages_slowpath+0x26e8/0x2e10 [ 257.547142] ? warn_alloc+0x120/0x120 [ 257.550943] ? print_usage_bug+0xc0/0xc0 [ 257.555000] ? warn_alloc+0x120/0x120 [ 257.558802] ? warn_alloc+0x120/0x120 [ 257.562601] ? print_usage_bug+0xc0/0xc0 [ 257.566662] ? print_usage_bug+0xc0/0xc0 [ 257.570718] ? __lock_acquire+0x62f/0x4c20 [ 257.574953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.580485] ? should_fail+0x22d/0xd01 [ 257.584374] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.589474] ? __lock_acquire+0x62f/0x4c20 [ 257.593709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.598805] ? __lock_acquire+0x62f/0x4c20 [ 257.603043] ? should_fail+0x22d/0xd01 [ 257.606928] ? find_held_lock+0x36/0x1c0 [ 257.610990] ? mark_held_locks+0x130/0x130 [ 257.615225] ? mark_held_locks+0x130/0x130 [ 257.619450] ? zap_class+0x640/0x640 [ 257.623161] ? mark_held_locks+0xc7/0x130 [ 257.627304] ? do_raw_spin_unlock+0xa7/0x330 [ 257.631708] ? zap_class+0x640/0x640 [ 257.635903] ? print_usage_bug+0xc0/0xc0 [ 257.639978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.645514] ? check_preemption_disabled+0x48/0x280 [ 257.650531] ? __lock_is_held+0xb5/0x140 [ 257.654591] __alloc_pages_nodemask+0xa80/0xde0 [ 257.659254] ? zap_class+0x640/0x640 [ 257.662968] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 257.668000] ? find_held_lock+0x36/0x1c0 [ 257.672078] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.676756] ? lock_downgrade+0x900/0x900 [ 257.680914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.686449] cache_grow_begin+0xa5/0x8c0 [ 257.690506] ? do_raw_spin_unlock+0xa7/0x330 [ 257.694922] fallback_alloc+0x204/0x2e0 [ 257.698905] ____cache_alloc_node+0x1c7/0x1e0 [ 257.703408] kmem_cache_alloc_node+0xe3/0x730 [ 257.707904] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.712142] __alloc_skb+0x119/0x770 [ 257.715848] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.721132] ? netdev_alloc_frag+0x1f0/0x1f0 [ 257.725534] ? lock_downgrade+0x900/0x900 [ 257.729687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.735217] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.740665] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.746107] ? addrconf_rs_timer+0x690/0x690 [ 257.750521] ndisc_alloc_skb+0x144/0x340 [ 257.754580] ndisc_send_rs+0x331/0x6e0 [ 257.758469] addrconf_rs_timer+0x314/0x690 [ 257.762712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.766950] call_timer_fn+0x272/0x920 [ 257.770833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.775067] ? process_timeout+0x40/0x40 [ 257.779130] ? __run_timers+0x7da/0xc70 [ 257.783104] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.787594] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.792080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.796308] ? lockdep_hardirqs_on+0x296/0x5b0 [ 257.800901] ? trace_hardirqs_on+0xbd/0x310 [ 257.805544] ? kasan_check_read+0x11/0x20 [ 257.809690] ? __run_timers+0x7da/0xc70 [ 257.813664] ? trace_hardirqs_off_caller+0x310/0x310 [ 257.818771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.823010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.827236] __run_timers+0x7e5/0xc70 [ 257.831042] ? timer_fixup_init+0x70/0x70 [ 257.835187] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.839674] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.844167] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 257.848746] ? trace_hardirqs_on+0xbd/0x310 [ 257.853065] ? kasan_check_read+0x11/0x20 [ 257.857213] ? finish_task_switch+0x1f4/0x910 [ 257.861703] ? trace_hardirqs_off_caller+0x310/0x310 [ 257.866800] ? compat_start_thread+0x80/0x80 [ 257.871227] ? pvclock_read_flags+0x160/0x160 [ 257.875715] ? __switch_to_asm+0x34/0x70 [ 257.879801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.885358] ? check_preemption_disabled+0x48/0x280 [ 257.890376] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 257.895922] ? rcu_pm_notify+0xc0/0xc0 [ 257.899808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.905346] ? check_preemption_disabled+0x48/0x280 [ 257.910363] run_timer_softirq+0x52/0xb0 [ 257.914420] ? rcu_read_lock_sched_held+0x14f/0x180 [ 257.919429] __do_softirq+0x308/0xb7e [ 257.923233] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 257.928332] ? smpboot_thread_fn+0x334/0xa00 [ 257.932737] ? schedule+0x108/0x460 [ 257.936361] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.941118] ? trace_hardirqs_off+0xb8/0x310 [ 257.945522] ? smpboot_thread_fn+0x68b/0xa00 [ 257.949925] ? trace_hardirqs_on+0x310/0x310 [ 257.954328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.959862] ? check_preemption_disabled+0x48/0x280 [ 257.964885] ? takeover_tasklets+0xa90/0xa90 [ 257.969288] run_ksoftirqd+0x5e/0x100 [ 257.973086] smpboot_thread_fn+0x68b/0xa00 [ 257.977317] ? sort_range+0x30/0x30 [ 257.981030] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.986129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.991663] ? __kthread_parkme+0xfb/0x1a0 [ 257.995894] ? sort_range+0x30/0x30 [ 257.999518] kthread+0x35a/0x440 [ 258.002886] ? kthread_stop+0x900/0x900 [ 258.006860] ret_from_fork+0x3a/0x50 [ 258.010593] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 258.010597] warn_alloc_show_mem: 1 callbacks suppressed [ 258.010603] Mem-Info: [ 258.017520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.022887] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 258.022887] active_file:12 inactive_file:11 isolated_file:0 [ 258.022887] unevictable:0 dirty:0 writeback:0 unstable:0 [ 258.022887] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 258.022887] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 258.022887] free:13782 free_pcp:358 free_cma:0 [ 258.025253] Call Trace: [ 258.034628] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 258.067475] [ 258.070040] 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 [ 258.097528] dump_stack+0x244/0x39d [ 258.099647] lowmem_reserve[]: 0 2818 6321 6321 [ 258.125754] ? dump_stack_print_info.cold.1+0x20/0x20 [ 258.129352] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 258.133939] warn_alloc.cold.116+0xb7/0x1bd [ 258.139092] lowmem_reserve[]: 0 0 3503 3503 [ 258.166754] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.171045] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 258.175362] ? lock_downgrade+0x900/0x900 [ 258.180168] lowmem_reserve[]: 0 0 0 0 [ 258.209132] ? trace_hardirqs_off+0xb8/0x310 [ 258.213248] 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 [ 258.217040] ? trace_hardirqs_off+0xb8/0x310 [ 258.221415] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 258.234943] __alloc_pages_slowpath+0x26e8/0x2e10 [ 258.239318] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 258.254507] ? warn_alloc+0x120/0x120 [ 258.259317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 258.274210] ? print_usage_bug+0xc0/0xc0 [ 258.277988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 258.286814] ? warn_alloc+0x120/0x120 [ 258.290844] 266 total pagecache pages [ 258.299406] ? warn_alloc+0x120/0x120 [ 258.303206] 0 pages in swap cache [ 258.306987] ? print_usage_bug+0xc0/0xc0 [ 258.310762] Swap cache stats: add 0, delete 0, find 0/0 [ 258.314200] ? kvm_clock_read+0x18/0x30 [ 258.318230] Free swap = 0kB [ 258.323582] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 258.327522] Total swap = 0kB [ 258.327529] 1965979 pages RAM [ 258.330538] ? print_usage_bug+0xc0/0xc0 [ 258.335521] 0 pages HighMem/MovableOnly [ 258.335528] 342854 pages reserved [ 258.338534] ? __lock_acquire+0x62f/0x4c20 [ 258.341609] 0 pages cma reserved [ 258.341676] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.345669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.345682] ? should_fail+0x22d/0xd01 [ 258.345697] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 258.349779] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.353175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.357381] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 258.360735] ? __lock_acquire+0x62f/0x4c20 [ 258.406110] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.411207] ? __lock_acquire+0x62f/0x4c20 [ 258.415437] ? should_fail+0x22d/0xd01 [ 258.419333] ? rcu_irq_exit+0x1a2/0x390 [ 258.423313] ? mark_held_locks+0x130/0x130 [ 258.427552] ? mark_held_locks+0x130/0x130 [ 258.431786] ? mark_held_locks+0xc7/0x130 [ 258.435937] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 258.440947] ? zap_class+0x640/0x640 [ 258.444654] ? print_usage_bug+0xc0/0xc0 [ 258.448714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.454246] ? check_preemption_disabled+0x48/0x280 [ 258.459264] ? __lock_is_held+0xb5/0x140 [ 258.463328] __alloc_pages_nodemask+0xa80/0xde0 [ 258.467996] ? zap_class+0x640/0x640 [ 258.471711] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 258.476734] ? find_held_lock+0x36/0x1c0 [ 258.480804] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.485469] ? lock_downgrade+0x900/0x900 [ 258.489619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.495155] cache_grow_begin+0xa5/0x8c0 [ 258.499225] ? do_raw_spin_unlock+0xa7/0x330 [ 258.503647] fallback_alloc+0x204/0x2e0 [ 258.507620] ____cache_alloc_node+0x1c7/0x1e0 [ 258.512204] kmem_cache_alloc_node+0xe3/0x730 [ 258.516697] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.520938] __alloc_skb+0x119/0x770 [ 258.524649] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 258.529927] ? netdev_alloc_frag+0x1f0/0x1f0 [ 258.534333] ? lock_downgrade+0x900/0x900 [ 258.538485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.544016] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.549477] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.554922] ? addrconf_rs_timer+0x690/0x690 [ 258.559338] ndisc_alloc_skb+0x144/0x340 [ 258.563401] ndisc_send_rs+0x331/0x6e0 [ 258.567287] addrconf_rs_timer+0x314/0x690 [ 258.571527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.575769] call_timer_fn+0x272/0x920 [ 258.579657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.583891] ? process_timeout+0x40/0x40 [ 258.587953] ? mark_held_locks+0xc7/0x130 [ 258.592104] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.596590] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.601081] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.605319] ? lockdep_hardirqs_on+0x296/0x5b0 [ 258.609898] ? trace_hardirqs_on+0xbd/0x310 [ 258.614212] ? kasan_check_read+0x11/0x20 [ 258.618356] ? __run_timers+0x7da/0xc70 [ 258.622328] ? trace_hardirqs_off_caller+0x310/0x310 [ 258.627432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.631668] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.635900] __run_timers+0x7e5/0xc70 [ 258.639704] ? timer_fixup_init+0x70/0x70 [ 258.643850] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.648863] ? zap_class+0x640/0x640 [ 258.652574] ? print_usage_bug+0xc0/0xc0 [ 258.656633] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.661825] ? find_held_lock+0x36/0x1c0 [ 258.665889] ? zap_class+0x640/0x640 [ 258.669602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.675133] ? check_preemption_disabled+0x48/0x280 [ 258.680152] ? __lock_is_held+0xb5/0x140 [ 258.684212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.689746] ? check_preemption_disabled+0x48/0x280 [ 258.694778] run_timer_softirq+0x52/0xb0 [ 258.698834] ? rcu_read_lock_sched_held+0x14f/0x180 [ 258.703845] __do_softirq+0x308/0xb7e [ 258.707654] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 258.712144] ? lock_downgrade+0x900/0x900 [ 258.716289] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 258.721399] ? pvclock_read_flags+0x160/0x160 [ 258.725894] ? lapic_next_event+0x5a/0x90 [ 258.730036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.735577] ? kvm_clock_read+0x18/0x30 [ 258.739545] ? kvm_sched_clock_read+0x9/0x20 [ 258.743954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.749485] ? check_preemption_disabled+0x48/0x280 [ 258.754502] irq_exit+0x17f/0x1c0 [ 258.757952] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.762798] ? smp_reschedule_interrupt+0x109/0x650 [ 258.767807] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.773687] ? interrupt_entry+0xb5/0xc0 [ 258.777747] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.782772] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.787790] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.792626] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.797635] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.802644] ? task_prio+0x50/0x50 [ 258.806183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.811720] ? check_preemption_disabled+0x48/0x280 [ 258.816736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.821586] apic_timer_interrupt+0xf/0x20 [ 258.825809] [ 258.828045] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 258.833077] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 258.851969] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 258.860316] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 258.867578] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 258.874843] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 258.882109] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 258.889374] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 258.896662] rcu_read_lock_held+0xa9/0xc0 [ 258.900809] css_next_child+0x2a2/0x620 [ 258.904785] ? cgroup_mount+0xd30/0xd30 [ 258.908763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.914298] ? check_preemption_disabled+0x48/0x280 [ 258.919325] ? __lock_is_held+0xb5/0x140 [ 258.923393] css_next_descendant_pre+0xeb/0x190 [ 258.928060] mem_cgroup_iter+0x42f/0x1160 [ 258.932207] ? kasan_check_write+0x14/0x20 [ 258.936442] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 258.941193] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.946208] ? shrink_slab+0xfa/0x8c0 [ 258.950002] ? shrink_active_list+0x1f00/0x1f00 [ 258.954673] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 258.960299] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.965401] ? cgroup_procs_write_finish+0xf0/0xf0 [ 258.970333] ? find_held_lock+0x36/0x1c0 [ 258.974392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.979922] ? vmpressure+0x1a2/0x340 [ 258.983720] shrink_node+0x516/0x16b0 [ 258.987521] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 258.992822] ? shrink_node_memcg+0x18f0/0x18f0 [ 258.997414] ? kvm_clock_read+0x18/0x30 [ 259.001383] ? ktime_get+0x2c1/0x400 [ 259.005098] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 259.009591] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.015134] ? __cpuset_node_allowed+0x19b/0x660 [ 259.019888] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 259.025594] ? delayacct_end+0x5a/0x100 [ 259.029570] do_try_to_free_pages+0x3e7/0x1290 [ 259.034146] ? zap_class+0x640/0x640 [ 259.037867] ? shrink_node+0x16b0/0x16b0 [ 259.041928] ? __lock_is_held+0xb5/0x140 [ 259.045996] try_to_free_pages+0x4d0/0xb90 [ 259.050233] ? do_try_to_free_pages+0x1290/0x1290 [ 259.055081] ? lock_acquire+0x1ed/0x520 [ 259.059049] ? set_page_refcounted+0x280/0x280 [ 259.063629] ? lock_release+0xa00/0xa00 [ 259.067598] ? _raw_spin_unlock_irq+0x60/0x80 [ 259.072098] ? psi_memstall_enter+0x240/0x2b0 [ 259.076587] ? psi_memstall_tick+0x230/0x230 [ 259.081002] __alloc_pages_slowpath+0xa14/0x2e10 [ 259.085787] ? warn_alloc+0x120/0x120 [ 259.089584] ? mark_held_locks+0x130/0x130 [ 259.093821] ? find_get_entry+0xaae/0x1120 [ 259.098062] ? filemap_map_pages+0x1a20/0x1a20 [ 259.102641] ? zap_class+0x640/0x640 [ 259.106356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.111892] ? check_preemption_disabled+0x48/0x280 [ 259.116902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.122437] ? should_fail+0x22d/0xd01 [ 259.126326] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.131428] ? zap_class+0x640/0x640 [ 259.135161] ? __lock_is_held+0xb5/0x140 [ 259.139226] ? mark_held_locks+0x130/0x130 [ 259.143461] ? lock_release+0xa00/0xa00 [ 259.147435] ? perf_trace_sched_process_exec+0x860/0x860 [ 259.152881] ? xa_load+0x2ba/0x460 [ 259.156416] ? lock_downgrade+0x900/0x900 [ 259.160561] ? __might_sleep+0x95/0x190 [ 259.164537] __alloc_pages_nodemask+0xa80/0xde0 [ 259.169208] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 259.174219] ? __page_cache_alloc+0x191/0x5c0 [ 259.178706] ? xa_load+0x2e1/0x460 [ 259.182248] ? xa_clear_mark+0x40/0x40 [ 259.186132] ? zap_class+0x640/0x640 [ 259.189849] ? zap_class+0x640/0x640 [ 259.193560] ? zap_class+0x640/0x640 [ 259.197273] ? __do_page_cache_readahead+0x663/0x810 [ 259.202374] ? find_held_lock+0x36/0x1c0 [ 259.206438] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 259.211980] alloc_pages_current+0x173/0x350 [ 259.216389] __page_cache_alloc+0x38c/0x5c0 [ 259.220702] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 259.225629] ? kasan_check_read+0x11/0x20 [ 259.229772] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.235044] ? generic_perform_write+0x6a0/0x6a0 [ 259.239797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.245338] ? check_preemption_disabled+0x48/0x280 [ 259.250356] filemap_fault+0x1595/0x25f0 [ 259.254423] ? __lock_page_or_retry+0xa00/0xa00 [ 259.259107] ? mark_held_locks+0x130/0x130 [ 259.263344] ? filemap_map_pages+0xd6b/0x1a20 [ 259.267834] ? lock_downgrade+0x900/0x900 [ 259.271981] ? check_preemption_disabled+0x48/0x280 [ 259.276994] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 259.281920] ? kasan_check_read+0x11/0x20 [ 259.286064] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.291334] ? rcu_softirq_qs+0x20/0x20 [ 259.295312] ? filemap_map_pages+0xd92/0x1a20 [ 259.299807] ? print_usage_bug+0xc0/0xc0 [ 259.303866] ? find_get_entries_tag+0x1400/0x1400 [ 259.308700] ? __kasan_slab_free+0x102/0x150 [ 259.313109] ? kasan_slab_free+0xe/0x10 [ 259.317075] ? kmem_cache_free+0x83/0x290 [ 259.321220] ? __sigqueue_free.part.29+0x74/0x90 [ 259.325987] ? lock_acquire+0x1ed/0x520 [ 259.329958] ? ext4_filemap_fault+0x7a/0xad [ 259.334287] ? lock_release+0xa00/0xa00 [ 259.338257] ? perf_trace_sched_process_exec+0x860/0x860 [ 259.343703] ? print_usage_bug+0xc0/0xc0 [ 259.347789] ? print_usage_bug+0xc0/0xc0 [ 259.351942] ? down_read+0x8d/0x120 [ 259.355562] ? ext4_filemap_fault+0x7a/0xad [ 259.359896] ? __down_interruptible+0x700/0x700 [ 259.364568] ext4_filemap_fault+0x82/0xad [ 259.368720] __do_fault+0x100/0x6b0 [ 259.372347] ? pmd_devmap_trans_unstable+0x220/0x220 [ 259.377448] ? mark_held_locks+0x130/0x130 [ 259.381682] ? mark_held_locks+0x130/0x130 [ 259.385919] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 259.391451] ? rcu_pm_notify+0xc0/0xc0 [ 259.395338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.400873] __handle_mm_fault+0x3ea0/0x5be0 [ 259.405283] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 259.410121] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.414614] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 259.419192] ? trace_hardirqs_on+0xbd/0x310 [ 259.423508] ? kasan_check_read+0x11/0x20 [ 259.427648] ? __set_current_blocked+0xdf/0x120 [ 259.432323] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.437430] ? zap_class+0x640/0x640 [ 259.441141] ? zap_class+0x640/0x640 [ 259.444854] ? find_held_lock+0x36/0x1c0 [ 259.448918] ? handle_mm_fault+0x42a/0xc70 [ 259.453148] ? lock_downgrade+0x900/0x900 [ 259.457291] ? check_preemption_disabled+0x48/0x280 [ 259.462315] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 259.467241] ? kasan_check_read+0x11/0x20 [ 259.471383] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.476664] ? rcu_softirq_qs+0x20/0x20 [ 259.480633] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.485737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.491274] ? check_preemption_disabled+0x48/0x280 [ 259.496293] handle_mm_fault+0x54f/0xc70 [ 259.500353] ? __handle_mm_fault+0x5be0/0x5be0 [ 259.505032] ? find_vma+0x34/0x190 [ 259.508576] __do_page_fault+0x5e8/0xe60 [ 259.512630] ? exit_to_usermode_loop+0x1f4/0x380 [ 259.517391] do_page_fault+0xf2/0x7e0 [ 259.521187] ? vmalloc_sync_all+0x30/0x30 [ 259.525328] ? error_entry+0x70/0xd0 [ 259.529036] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.534047] ? trace_hardirqs_on_caller+0xc0/0x310 [ 259.538971] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.543894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.548732] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.553768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.559215] ? prepare_exit_to_usermode+0x291/0x3b0 [ 259.564226] ? page_fault+0x8/0x30 [ 259.567770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.572612] ? page_fault+0x8/0x30 [ 259.576150] page_fault+0x1e/0x30 [ 259.579599] RIP: 0033:0x45db60 [ 259.582803] Code: Bad RIP value. [ 259.586164] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 259.591519] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 259.598782] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 259.606055] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 259.613319] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 259.620580] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 259.627869] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 259.627927] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.634629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.634634] Call Trace: [ 259.634652] dump_stack+0x244/0x39d [ 259.634674] ? dump_stack_print_info.cold.1+0x20/0x20 [ 259.641445] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.650758] warn_alloc.cold.116+0xb7/0x1bd [ 259.653298] syz-fuzzer cpuset=/ mems_allowed=0 [ 259.656913] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.685982] ? lock_downgrade+0x900/0x900 [ 259.690135] ? trace_hardirqs_off+0xb8/0x310 [ 259.694542] ? trace_hardirqs_off+0xb8/0x310 [ 259.698954] __alloc_pages_slowpath+0x26e8/0x2e10 [ 259.703820] ? warn_alloc+0x120/0x120 [ 259.707616] ? print_usage_bug+0xc0/0xc0 [ 259.711672] ? warn_alloc+0x120/0x120 [ 259.715479] ? warn_alloc+0x120/0x120 [ 259.719274] ? print_usage_bug+0xc0/0xc0 [ 259.723333] ? print_usage_bug+0xc0/0xc0 [ 259.727388] ? __lock_acquire+0x62f/0x4c20 [ 259.731621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.737152] ? should_fail+0x22d/0xd01 [ 259.741039] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.746137] ? __lock_acquire+0x62f/0x4c20 [ 259.750372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.755472] ? __lock_acquire+0x62f/0x4c20 [ 259.759711] ? should_fail+0x22d/0xd01 [ 259.763600] ? find_held_lock+0x36/0x1c0 [ 259.767662] ? mark_held_locks+0x130/0x130 [ 259.771900] ? mark_held_locks+0x130/0x130 [ 259.776125] ? zap_class+0x640/0x640 [ 259.779833] ? zap_class+0x640/0x640 [ 259.783542] ? print_usage_bug+0xc0/0xc0 [ 259.787593] ? do_raw_spin_unlock+0xa7/0x330 [ 259.792007] ? zap_class+0x640/0x640 [ 259.795725] ? print_usage_bug+0xc0/0xc0 [ 259.799965] ? wq_watchdog_touch+0x9c/0xfe [ 259.804548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.810083] ? check_preemption_disabled+0x48/0x280 [ 259.815103] ? __lock_is_held+0xb5/0x140 [ 259.819166] __alloc_pages_nodemask+0xa80/0xde0 [ 259.823830] ? zap_class+0x640/0x640 [ 259.827541] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 259.832563] ? find_held_lock+0x36/0x1c0 [ 259.836625] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.841378] ? lock_downgrade+0x900/0x900 [ 259.845531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.851066] cache_grow_begin+0xa5/0x8c0 [ 259.855123] ? do_raw_spin_unlock+0xa7/0x330 [ 259.859533] fallback_alloc+0x204/0x2e0 [ 259.863505] ____cache_alloc_node+0x1c7/0x1e0 [ 259.867999] kmem_cache_alloc_node+0xe3/0x730 [ 259.872487] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.876813] __alloc_skb+0x119/0x770 [ 259.880521] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.885797] ? netdev_alloc_frag+0x1f0/0x1f0 [ 259.890202] ? lock_downgrade+0x900/0x900 [ 259.894353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.899888] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.905335] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.910779] ? addrconf_rs_timer+0x690/0x690 [ 259.915191] ndisc_alloc_skb+0x144/0x340 [ 259.919254] ndisc_send_rs+0x331/0x6e0 [ 259.923138] addrconf_rs_timer+0x314/0x690 [ 259.927373] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.931612] call_timer_fn+0x272/0x920 [ 259.935496] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.939724] ? process_timeout+0x40/0x40 [ 259.943795] ? __run_timers+0x7da/0xc70 [ 259.947766] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.952252] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.956744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.960976] ? lockdep_hardirqs_on+0x296/0x5b0 [ 259.965570] ? trace_hardirqs_on+0xbd/0x310 [ 259.969890] ? kasan_check_read+0x11/0x20 [ 259.974033] ? __run_timers+0x7da/0xc70 [ 259.978005] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.983109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.987340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.991565] __run_timers+0x7e5/0xc70 [ 259.995368] ? timer_fixup_init+0x70/0x70 [ 259.999510] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.003996] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.008486] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 260.013063] ? trace_hardirqs_on+0xbd/0x310 [ 260.017378] ? kasan_check_read+0x11/0x20 [ 260.021524] ? finish_task_switch+0x1f4/0x910 [ 260.026013] ? trace_hardirqs_off_caller+0x310/0x310 [ 260.031108] ? compat_start_thread+0x80/0x80 [ 260.035533] ? pvclock_read_flags+0x160/0x160 [ 260.040020] ? __switch_to_asm+0x34/0x70 [ 260.044080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.049614] ? check_preemption_disabled+0x48/0x280 [ 260.054633] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 260.060177] ? rcu_pm_notify+0xc0/0xc0 [ 260.064058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.069594] ? check_preemption_disabled+0x48/0x280 [ 260.074612] run_timer_softirq+0x52/0xb0 [ 260.078677] ? rcu_read_lock_sched_held+0x14f/0x180 [ 260.083697] __do_softirq+0x308/0xb7e [ 260.087503] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 260.092603] ? smpboot_thread_fn+0x334/0xa00 [ 260.097009] ? schedule+0x108/0x460 [ 260.100630] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.105395] ? trace_hardirqs_off+0xb8/0x310 [ 260.109803] ? smpboot_thread_fn+0x68b/0xa00 [ 260.114205] ? trace_hardirqs_on+0x310/0x310 [ 260.118607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.124138] ? check_preemption_disabled+0x48/0x280 [ 260.129148] ? takeover_tasklets+0xa90/0xa90 [ 260.133553] run_ksoftirqd+0x5e/0x100 [ 260.137351] smpboot_thread_fn+0x68b/0xa00 [ 260.141587] ? sort_range+0x30/0x30 [ 260.145211] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.150311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.155847] ? __kthread_parkme+0xfb/0x1a0 [ 260.160081] ? sort_range+0x30/0x30 [ 260.163706] kthread+0x35a/0x440 [ 260.167070] ? kthread_stop+0x900/0x900 [ 260.171037] ret_from_fork+0x3a/0x50 [ 260.174760] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 260.174765] warn_alloc_show_mem: 1 callbacks suppressed [ 260.174771] Mem-Info: [ 260.181684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.181691] Call Trace: [ 260.187053] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 260.187053] active_file:12 inactive_file:11 isolated_file:0 [ 260.187053] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.187053] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 260.187053] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 260.187053] free:13782 free_pcp:358 free_cma:0 [ 260.189420] [ 260.198777] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.201347] dump_stack+0x244/0x39d [ 260.234196] 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 [ 260.236339] ? dump_stack_print_info.cold.1+0x20/0x20 [ 260.263807] lowmem_reserve[]: 0 2818 6321 6321 [ 260.267436] warn_alloc.cold.116+0xb7/0x1bd [ 260.293515] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 260.298696] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.303254] lowmem_reserve[]: 0 0 3503 3503 [ 260.307573] ? lock_downgrade+0x900/0x900 [ 260.335294] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 260.340139] ? trace_hardirqs_off+0xb8/0x310 [ 260.344424] lowmem_reserve[]: 0 0 0 0 [ 260.348572] ? trace_hardirqs_off+0xb8/0x310 [ 260.377512] 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 [ 260.381916] __alloc_pages_slowpath+0x26e8/0x2e10 [ 260.385687] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 260.390107] ? warn_alloc+0x120/0x120 [ 260.403572] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 260.408412] ? print_usage_bug+0xc0/0xc0 [ 260.423557] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.427340] ? warn_alloc+0x120/0x120 [ 260.442228] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 260.446270] ? warn_alloc+0x120/0x120 [ 260.455076] 266 total pagecache pages [ 260.458862] ? print_usage_bug+0xc0/0xc0 [ 260.467415] 0 pages in swap cache [ 260.471200] ? print_usage_bug+0xc0/0xc0 [ 260.474975] Swap cache stats: add 0, delete 0, find 0/0 [ 260.479022] ? __lock_acquire+0x62f/0x4c20 [ 260.482446] Free swap = 0kB [ 260.486494] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.491825] Total swap = 0kB [ 260.496045] ? should_fail+0x22d/0xd01 [ 260.499035] 1965979 pages RAM [ 260.504557] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.507546] 0 pages HighMem/MovableOnly [ 260.511420] ? __lock_acquire+0x62f/0x4c20 [ 260.514490] 342854 pages reserved [ 260.514497] 0 pages cma reserved [ 260.519597] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.523600] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.527754] ? __lock_acquire+0x62f/0x4c20 [ 260.527769] ? should_fail+0x22d/0xd01 [ 260.531244] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.534551] ? find_held_lock+0x36/0x1c0 [ 260.539630] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 260.546111] ? mark_held_locks+0x130/0x130 [ 260.577394] ? mark_held_locks+0x130/0x130 [ 260.581627] ? zap_class+0x640/0x640 [ 260.585338] ? zap_class+0x640/0x640 [ 260.589048] ? print_usage_bug+0xc0/0xc0 [ 260.593103] ? do_raw_spin_unlock+0xa7/0x330 [ 260.597510] ? zap_class+0x640/0x640 [ 260.601304] ? print_usage_bug+0xc0/0xc0 [ 260.605361] ? wq_watchdog_touch+0x9c/0xfe [ 260.609592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.615130] ? check_preemption_disabled+0x48/0x280 [ 260.620161] ? __lock_is_held+0xb5/0x140 [ 260.624222] __alloc_pages_nodemask+0xa80/0xde0 [ 260.628887] ? zap_class+0x640/0x640 [ 260.632610] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 260.637636] ? find_held_lock+0x36/0x1c0 [ 260.641700] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.646367] ? lock_downgrade+0x900/0x900 [ 260.650515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.656053] cache_grow_begin+0xa5/0x8c0 [ 260.660118] ? do_raw_spin_unlock+0xa7/0x330 [ 260.664530] fallback_alloc+0x204/0x2e0 [ 260.668510] ____cache_alloc_node+0x1c7/0x1e0 [ 260.673004] kmem_cache_alloc_node+0xe3/0x730 [ 260.677495] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.681736] __alloc_skb+0x119/0x770 [ 260.685474] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.690751] ? netdev_alloc_frag+0x1f0/0x1f0 [ 260.695164] ? lock_downgrade+0x900/0x900 [ 260.699317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.704936] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.710384] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.715830] ? addrconf_rs_timer+0x690/0x690 [ 260.720241] ndisc_alloc_skb+0x144/0x340 [ 260.724302] ndisc_send_rs+0x331/0x6e0 [ 260.728190] addrconf_rs_timer+0x314/0x690 [ 260.732421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.736661] call_timer_fn+0x272/0x920 [ 260.740546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.744787] ? process_timeout+0x40/0x40 [ 260.748852] ? mark_held_locks+0xc7/0x130 [ 260.752996] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.757484] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.761974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.766205] ? lockdep_hardirqs_on+0x296/0x5b0 [ 260.770786] ? trace_hardirqs_on+0xbd/0x310 [ 260.775102] ? kasan_check_read+0x11/0x20 [ 260.779245] ? __run_timers+0x7da/0xc70 [ 260.783218] ? trace_hardirqs_off_caller+0x310/0x310 [ 260.788318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.792550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.796782] __run_timers+0x7e5/0xc70 [ 260.800800] ? timer_fixup_init+0x70/0x70 [ 260.804948] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.809959] ? zap_class+0x640/0x640 [ 260.813673] ? print_usage_bug+0xc0/0xc0 [ 260.817733] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.822924] ? find_held_lock+0x36/0x1c0 [ 260.826983] ? zap_class+0x640/0x640 [ 260.830697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.836234] ? check_preemption_disabled+0x48/0x280 [ 260.841259] ? __lock_is_held+0xb5/0x140 [ 260.845315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.850849] ? check_preemption_disabled+0x48/0x280 [ 260.855865] run_timer_softirq+0x52/0xb0 [ 260.859922] ? rcu_read_lock_sched_held+0x14f/0x180 [ 260.864936] __do_softirq+0x308/0xb7e [ 260.868740] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 260.873230] ? lock_downgrade+0x900/0x900 [ 260.877375] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 260.882479] ? pvclock_read_flags+0x160/0x160 [ 260.886971] ? lapic_next_event+0x5a/0x90 [ 260.891119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.896655] ? kvm_clock_read+0x18/0x30 [ 260.900623] ? kvm_sched_clock_read+0x9/0x20 [ 260.905028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.910559] ? check_preemption_disabled+0x48/0x280 [ 260.915593] irq_exit+0x17f/0x1c0 [ 260.919041] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.923875] ? smp_reschedule_interrupt+0x109/0x650 [ 260.928884] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.934763] ? interrupt_entry+0xb5/0xc0 [ 260.938819] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.943826] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.948840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.953681] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.958691] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.963705] ? task_prio+0x50/0x50 [ 260.967243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.972779] ? check_preemption_disabled+0x48/0x280 [ 260.977797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.982640] apic_timer_interrupt+0xf/0x20 [ 260.986867] [ 260.989098] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 260.994121] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 261.013012] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 261.020801] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 261.028062] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 261.035323] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 261.042590] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 261.049850] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 261.057147] rcu_read_lock_held+0xa9/0xc0 [ 261.061289] css_next_child+0x2a2/0x620 [ 261.065263] ? cgroup_mount+0xd30/0xd30 [ 261.069238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.074772] ? check_preemption_disabled+0x48/0x280 [ 261.079791] ? __lock_is_held+0xb5/0x140 [ 261.083864] css_next_descendant_pre+0xeb/0x190 [ 261.088534] mem_cgroup_iter+0x42f/0x1160 [ 261.092687] ? kasan_check_write+0x14/0x20 [ 261.096923] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 261.101671] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.106689] ? shrink_slab+0xfa/0x8c0 [ 261.110486] ? shrink_active_list+0x1f00/0x1f00 [ 261.115155] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 261.120775] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.125885] ? cgroup_procs_write_finish+0xf0/0xf0 [ 261.130814] ? find_held_lock+0x36/0x1c0 [ 261.134870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.140401] ? vmpressure+0x1a2/0x340 [ 261.144199] shrink_node+0x516/0x16b0 [ 261.147996] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 261.153290] ? shrink_node_memcg+0x18f0/0x18f0 [ 261.157872] ? kvm_clock_read+0x18/0x30 [ 261.161843] ? ktime_get+0x2c1/0x400 [ 261.165553] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 261.170055] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 261.175586] ? __cpuset_node_allowed+0x19b/0x660 [ 261.180339] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 261.186049] ? delayacct_end+0x5a/0x100 [ 261.190027] do_try_to_free_pages+0x3e7/0x1290 [ 261.194606] ? zap_class+0x640/0x640 [ 261.198327] ? shrink_node+0x16b0/0x16b0 [ 261.202385] ? __lock_is_held+0xb5/0x140 [ 261.206454] try_to_free_pages+0x4d0/0xb90 [ 261.210691] ? do_try_to_free_pages+0x1290/0x1290 [ 261.215539] ? lock_acquire+0x1ed/0x520 [ 261.219517] ? set_page_refcounted+0x280/0x280 [ 261.224107] ? lock_release+0xa00/0xa00 [ 261.228074] ? _raw_spin_unlock_irq+0x60/0x80 [ 261.232572] ? psi_memstall_enter+0x240/0x2b0 [ 261.237067] ? psi_memstall_tick+0x230/0x230 [ 261.241485] __alloc_pages_slowpath+0xa14/0x2e10 [ 261.246347] ? warn_alloc+0x120/0x120 [ 261.250141] ? mark_held_locks+0x130/0x130 [ 261.254374] ? find_get_entry+0xaae/0x1120 [ 261.258612] ? filemap_map_pages+0x1a20/0x1a20 [ 261.263197] ? zap_class+0x640/0x640 [ 261.266916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.272450] ? check_preemption_disabled+0x48/0x280 [ 261.277459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.282994] ? should_fail+0x22d/0xd01 [ 261.286882] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.291992] ? zap_class+0x640/0x640 [ 261.295721] ? __lock_is_held+0xb5/0x140 [ 261.299784] ? mark_held_locks+0x130/0x130 [ 261.304014] ? lock_release+0xa00/0xa00 [ 261.307983] ? perf_trace_sched_process_exec+0x860/0x860 [ 261.313426] ? xa_load+0x2ba/0x460 [ 261.316982] ? lock_downgrade+0x900/0x900 [ 261.321128] ? __might_sleep+0x95/0x190 [ 261.325109] __alloc_pages_nodemask+0xa80/0xde0 [ 261.329780] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 261.334790] ? __page_cache_alloc+0x191/0x5c0 [ 261.339276] ? xa_load+0x2e1/0x460 [ 261.342825] ? xa_clear_mark+0x40/0x40 [ 261.346710] ? zap_class+0x640/0x640 [ 261.350424] ? zap_class+0x640/0x640 [ 261.354130] ? zap_class+0x640/0x640 [ 261.357842] ? __do_page_cache_readahead+0x663/0x810 [ 261.362946] ? find_held_lock+0x36/0x1c0 [ 261.367007] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 261.372552] alloc_pages_current+0x173/0x350 [ 261.376965] __page_cache_alloc+0x38c/0x5c0 [ 261.381279] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 261.386205] ? kasan_check_read+0x11/0x20 [ 261.390350] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.395622] ? generic_perform_write+0x6a0/0x6a0 [ 261.400373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.405905] ? check_preemption_disabled+0x48/0x280 [ 261.410921] filemap_fault+0x1595/0x25f0 [ 261.415001] ? __lock_page_or_retry+0xa00/0xa00 [ 261.419669] ? mark_held_locks+0x130/0x130 [ 261.423908] ? filemap_map_pages+0xd6b/0x1a20 [ 261.428401] ? lock_downgrade+0x900/0x900 [ 261.432550] ? check_preemption_disabled+0x48/0x280 [ 261.437575] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 261.442502] ? kasan_check_read+0x11/0x20 [ 261.446647] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.451918] ? rcu_softirq_qs+0x20/0x20 [ 261.455897] ? filemap_map_pages+0xd92/0x1a20 [ 261.460389] ? print_usage_bug+0xc0/0xc0 [ 261.464448] ? find_get_entries_tag+0x1400/0x1400 [ 261.469287] ? __kasan_slab_free+0x102/0x150 [ 261.473689] ? kasan_slab_free+0xe/0x10 [ 261.477661] ? kmem_cache_free+0x83/0x290 [ 261.481808] ? __sigqueue_free.part.29+0x74/0x90 [ 261.486578] ? lock_acquire+0x1ed/0x520 [ 261.490553] ? ext4_filemap_fault+0x7a/0xad [ 261.494877] ? lock_release+0xa00/0xa00 [ 261.498846] ? perf_trace_sched_process_exec+0x860/0x860 [ 261.504294] ? print_usage_bug+0xc0/0xc0 [ 261.508348] ? print_usage_bug+0xc0/0xc0 [ 261.512413] ? down_read+0x8d/0x120 [ 261.516032] ? ext4_filemap_fault+0x7a/0xad [ 261.520350] ? __down_interruptible+0x700/0x700 [ 261.525023] ext4_filemap_fault+0x82/0xad [ 261.529169] __do_fault+0x100/0x6b0 [ 261.532792] ? pmd_devmap_trans_unstable+0x220/0x220 [ 261.537894] ? mark_held_locks+0x130/0x130 [ 261.542128] ? mark_held_locks+0x130/0x130 [ 261.546357] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 261.551888] ? rcu_pm_notify+0xc0/0xc0 [ 261.555777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.561313] __handle_mm_fault+0x3ea0/0x5be0 [ 261.565721] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 261.570554] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.575045] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 261.579628] ? trace_hardirqs_on+0xbd/0x310 [ 261.583945] ? kasan_check_read+0x11/0x20 [ 261.588088] ? __set_current_blocked+0xdf/0x120 [ 261.592753] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.597862] ? zap_class+0x640/0x640 [ 261.601575] ? zap_class+0x640/0x640 [ 261.605291] ? find_held_lock+0x36/0x1c0 [ 261.609354] ? handle_mm_fault+0x42a/0xc70 [ 261.613586] ? lock_downgrade+0x900/0x900 [ 261.617729] ? check_preemption_disabled+0x48/0x280 [ 261.622750] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 261.627673] ? kasan_check_read+0x11/0x20 [ 261.631824] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.637489] ? rcu_softirq_qs+0x20/0x20 [ 261.641466] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.646563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.652100] ? check_preemption_disabled+0x48/0x280 [ 261.657122] handle_mm_fault+0x54f/0xc70 [ 261.661179] ? __handle_mm_fault+0x5be0/0x5be0 [ 261.665761] ? find_vma+0x34/0x190 [ 261.669299] __do_page_fault+0x5e8/0xe60 [ 261.673359] ? exit_to_usermode_loop+0x1f4/0x380 [ 261.678121] do_page_fault+0xf2/0x7e0 [ 261.681919] ? vmalloc_sync_all+0x30/0x30 [ 261.686069] ? error_entry+0x70/0xd0 [ 261.689779] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.694787] ? trace_hardirqs_on_caller+0xc0/0x310 [ 261.699711] ? syscall_return_slowpath+0x5e0/0x5e0 [ 261.704634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.709471] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.714484] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.719940] ? prepare_exit_to_usermode+0x291/0x3b0 [ 261.724947] ? page_fault+0x8/0x30 [ 261.728484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.733327] ? page_fault+0x8/0x30 [ 261.736864] page_fault+0x1e/0x30 [ 261.740309] RIP: 0033:0x45db60 [ 261.743506] Code: Bad RIP value. [ 261.746869] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 261.752228] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 261.759491] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 261.766764] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 261.774024] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 261.781287] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 261.788573] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 261.788632] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.795317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.795321] Call Trace: [ 261.795339] dump_stack+0x244/0x39d [ 261.795358] ? dump_stack_print_info.cold.1+0x20/0x20 [ 261.801895] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.811514] warn_alloc.cold.116+0xb7/0x1bd [ 261.814064] syz-fuzzer cpuset=/ mems_allowed=0 [ 261.817680] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.846738] ? lock_downgrade+0x900/0x900 [ 261.850890] ? trace_hardirqs_off+0xb8/0x310 [ 261.855298] ? trace_hardirqs_off+0xb8/0x310 [ 261.859727] __alloc_pages_slowpath+0x26e8/0x2e10 [ 261.864603] ? warn_alloc+0x120/0x120 [ 261.868404] ? print_usage_bug+0xc0/0xc0 [ 261.872463] ? warn_alloc+0x120/0x120 [ 261.876263] ? warn_alloc+0x120/0x120 [ 261.880058] ? print_usage_bug+0xc0/0xc0 [ 261.884119] ? print_usage_bug+0xc0/0xc0 [ 261.888175] ? __lock_acquire+0x62f/0x4c20 [ 261.892413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.897948] ? should_fail+0x22d/0xd01 [ 261.901834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.906936] ? __lock_acquire+0x62f/0x4c20 [ 261.911171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.916270] ? __lock_acquire+0x62f/0x4c20 [ 261.920504] ? should_fail+0x22d/0xd01 [ 261.924393] ? find_held_lock+0x36/0x1c0 [ 261.928455] ? mark_held_locks+0x130/0x130 [ 261.932689] ? mark_held_locks+0x130/0x130 [ 261.936926] ? zap_class+0x640/0x640 [ 261.940643] ? zap_class+0x640/0x640 [ 261.944351] ? print_usage_bug+0xc0/0xc0 [ 261.948407] ? do_raw_spin_unlock+0xa7/0x330 [ 261.952808] ? zap_class+0x640/0x640 [ 261.956524] ? print_usage_bug+0xc0/0xc0 [ 261.960586] ? wq_watchdog_touch+0x9c/0xfe [ 261.964816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.970351] ? check_preemption_disabled+0x48/0x280 [ 261.975373] ? __lock_is_held+0xb5/0x140 [ 261.979436] __alloc_pages_nodemask+0xa80/0xde0 [ 261.984097] ? zap_class+0x640/0x640 [ 261.987811] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 261.992830] ? find_held_lock+0x36/0x1c0 [ 261.996894] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.001559] ? lock_downgrade+0x900/0x900 [ 262.005710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.011247] cache_grow_begin+0xa5/0x8c0 [ 262.015301] ? do_raw_spin_unlock+0xa7/0x330 [ 262.019711] fallback_alloc+0x204/0x2e0 [ 262.023684] ____cache_alloc_node+0x1c7/0x1e0 [ 262.028179] kmem_cache_alloc_node+0xe3/0x730 [ 262.032671] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.036913] __alloc_skb+0x119/0x770 [ 262.040618] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.045896] ? netdev_alloc_frag+0x1f0/0x1f0 [ 262.050312] ? lock_downgrade+0x900/0x900 [ 262.054460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.060003] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.065451] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.070903] ? addrconf_rs_timer+0x690/0x690 [ 262.075315] ndisc_alloc_skb+0x144/0x340 [ 262.079378] ndisc_send_rs+0x331/0x6e0 [ 262.083263] addrconf_rs_timer+0x314/0x690 [ 262.087501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.091742] call_timer_fn+0x272/0x920 [ 262.095626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.099859] ? process_timeout+0x40/0x40 [ 262.103919] ? __run_timers+0x7da/0xc70 [ 262.107889] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.112376] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.116867] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.121096] ? lockdep_hardirqs_on+0x296/0x5b0 [ 262.125677] ? trace_hardirqs_on+0xbd/0x310 [ 262.129989] ? kasan_check_read+0x11/0x20 [ 262.134129] ? __run_timers+0x7da/0xc70 [ 262.138116] ? trace_hardirqs_off_caller+0x310/0x310 [ 262.143216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.147448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.151682] __run_timers+0x7e5/0xc70 [ 262.155493] ? timer_fixup_init+0x70/0x70 [ 262.159636] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.164122] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.168616] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 262.173196] ? trace_hardirqs_on+0xbd/0x310 [ 262.177524] ? kasan_check_read+0x11/0x20 [ 262.181668] ? finish_task_switch+0x1f4/0x910 [ 262.186157] ? trace_hardirqs_off_caller+0x310/0x310 [ 262.191253] ? compat_start_thread+0x80/0x80 [ 262.195672] ? pvclock_read_flags+0x160/0x160 [ 262.200160] ? __switch_to_asm+0x34/0x70 [ 262.204217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.209749] ? check_preemption_disabled+0x48/0x280 [ 262.214771] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 262.220303] ? rcu_pm_notify+0xc0/0xc0 [ 262.224184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.229716] ? check_preemption_disabled+0x48/0x280 [ 262.234731] run_timer_softirq+0x52/0xb0 [ 262.238789] ? rcu_read_lock_sched_held+0x14f/0x180 [ 262.243799] __do_softirq+0x308/0xb7e [ 262.247605] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 262.252707] ? smpboot_thread_fn+0x334/0xa00 [ 262.257115] ? schedule+0x108/0x460 [ 262.260737] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.265511] ? trace_hardirqs_off+0xb8/0x310 [ 262.269919] ? smpboot_thread_fn+0x68b/0xa00 [ 262.274320] ? trace_hardirqs_on+0x310/0x310 [ 262.278726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.284270] ? check_preemption_disabled+0x48/0x280 [ 262.289282] ? takeover_tasklets+0xa90/0xa90 [ 262.293686] run_ksoftirqd+0x5e/0x100 [ 262.297487] smpboot_thread_fn+0x68b/0xa00 [ 262.301727] ? sort_range+0x30/0x30 [ 262.305355] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 262.310452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.315993] ? __kthread_parkme+0xfb/0x1a0 [ 262.320224] ? sort_range+0x30/0x30 [ 262.323843] kthread+0x35a/0x440 [ 262.327207] ? kthread_stop+0x900/0x900 [ 262.331188] ret_from_fork+0x3a/0x50 [ 262.334912] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 262.334917] warn_alloc_show_mem: 1 callbacks suppressed [ 262.334923] Mem-Info: [ 262.341835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.347196] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 262.347196] active_file:12 inactive_file:11 isolated_file:0 [ 262.347196] unevictable:0 dirty:0 writeback:0 unstable:0 [ 262.347196] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 262.347196] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 262.347196] free:13782 free_pcp:358 free_cma:0 [ 262.349563] Call Trace: [ 262.358933] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.391772] [ 262.394336] 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 [ 262.421822] dump_stack+0x244/0x39d [ 262.423942] lowmem_reserve[]: 0 2818 6321 6321 [ 262.450045] ? dump_stack_print_info.cold.1+0x20/0x20 [ 262.453643] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 262.458223] warn_alloc.cold.116+0xb7/0x1bd [ 262.463373] lowmem_reserve[]: 0 0 3503 3503 [ 262.491038] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.495329] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 262.499644] ? lock_downgrade+0x900/0x900 [ 262.504462] lowmem_reserve[]: 0 0 0 0 [ 262.533425] ? trace_hardirqs_off+0xb8/0x310 [ 262.537538] 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 [ 262.541333] ? trace_hardirqs_off+0xb8/0x310 [ 262.545710] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 262.559227] __alloc_pages_slowpath+0x26e8/0x2e10 [ 262.563603] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 262.578789] ? warn_alloc+0x120/0x120 [ 262.583590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 262.598487] ? print_usage_bug+0xc0/0xc0 [ 262.602264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 262.611079] ? warn_alloc+0x120/0x120 [ 262.615115] 266 total pagecache pages [ 262.623676] ? warn_alloc+0x120/0x120 [ 262.627459] 0 pages in swap cache [ 262.631239] ? print_usage_bug+0xc0/0xc0 [ 262.635023] Swap cache stats: add 0, delete 0, find 0/0 [ 262.638465] ? kvm_clock_read+0x18/0x30 [ 262.642596] Free swap = 0kB [ 262.647946] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 262.651888] Total swap = 0kB [ 262.654900] ? print_usage_bug+0xc0/0xc0 [ 262.659968] 1965979 pages RAM [ 262.659976] 0 pages HighMem/MovableOnly [ 262.662984] ? __lock_acquire+0x62f/0x4c20 [ 262.667021] 342854 pages reserved [ 262.670114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.674058] 0 pages cma reserved [ 262.678283] ? should_fail+0x22d/0xd01 [ 262.681761] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 262.687226] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.687243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.690631] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 262.694464] ? __lock_acquire+0x62f/0x4c20 [ 262.700928] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 262.706195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.735526] ? __lock_acquire+0x62f/0x4c20 [ 262.739755] ? should_fail+0x22d/0xd01 [ 262.743634] ? rcu_irq_exit+0x1a2/0x390 [ 262.747639] ? mark_held_locks+0x130/0x130 [ 262.751873] ? mark_held_locks+0x130/0x130 [ 262.756108] ? mark_held_locks+0xc7/0x130 [ 262.760250] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 262.765260] ? zap_class+0x640/0x640 [ 262.768970] ? print_usage_bug+0xc0/0xc0 [ 262.773031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.778564] ? check_preemption_disabled+0x48/0x280 [ 262.783582] ? __lock_is_held+0xb5/0x140 [ 262.787642] __alloc_pages_nodemask+0xa80/0xde0 [ 262.792308] ? zap_class+0x640/0x640 [ 262.796021] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 262.801041] ? find_held_lock+0x36/0x1c0 [ 262.805111] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.809775] ? lock_downgrade+0x900/0x900 [ 262.813927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.819463] cache_grow_begin+0xa5/0x8c0 [ 262.823526] ? do_raw_spin_unlock+0xa7/0x330 [ 262.827938] fallback_alloc+0x204/0x2e0 [ 262.831915] ____cache_alloc_node+0x1c7/0x1e0 [ 262.836410] kmem_cache_alloc_node+0xe3/0x730 [ 262.840912] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.845149] __alloc_skb+0x119/0x770 [ 262.848860] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.854136] ? netdev_alloc_frag+0x1f0/0x1f0 [ 262.858540] ? lock_downgrade+0x900/0x900 [ 262.862697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.868226] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.873673] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.879117] ? addrconf_rs_timer+0x690/0x690 [ 262.883534] ndisc_alloc_skb+0x144/0x340 [ 262.887592] ndisc_send_rs+0x331/0x6e0 [ 262.891483] addrconf_rs_timer+0x314/0x690 [ 262.895719] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.899964] call_timer_fn+0x272/0x920 [ 262.903843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.908070] ? process_timeout+0x40/0x40 [ 262.912138] ? mark_held_locks+0xc7/0x130 [ 262.916284] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.920771] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.925257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.929489] ? lockdep_hardirqs_on+0x296/0x5b0 [ 262.934069] ? trace_hardirqs_on+0xbd/0x310 [ 262.938383] ? kasan_check_read+0x11/0x20 [ 262.942534] ? __run_timers+0x7da/0xc70 [ 262.946505] ? trace_hardirqs_off_caller+0x310/0x310 [ 262.951609] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.955841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.960071] __run_timers+0x7e5/0xc70 [ 262.963878] ? timer_fixup_init+0x70/0x70 [ 262.968027] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.973042] ? zap_class+0x640/0x640 [ 262.976754] ? print_usage_bug+0xc0/0xc0 [ 262.980816] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.986009] ? find_held_lock+0x36/0x1c0 [ 262.990076] ? zap_class+0x640/0x640 [ 262.993792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.999325] ? check_preemption_disabled+0x48/0x280 [ 263.004345] ? __lock_is_held+0xb5/0x140 [ 263.008408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.013947] ? check_preemption_disabled+0x48/0x280 [ 263.018965] run_timer_softirq+0x52/0xb0 [ 263.023020] ? rcu_read_lock_sched_held+0x14f/0x180 [ 263.028031] __do_softirq+0x308/0xb7e [ 263.031833] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 263.036320] ? lock_downgrade+0x900/0x900 [ 263.040469] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 263.045574] ? pvclock_read_flags+0x160/0x160 [ 263.050067] ? lapic_next_event+0x5a/0x90 [ 263.054212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.059748] ? kvm_clock_read+0x18/0x30 [ 263.063719] ? kvm_sched_clock_read+0x9/0x20 [ 263.068126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.073672] ? check_preemption_disabled+0x48/0x280 [ 263.078695] irq_exit+0x17f/0x1c0 [ 263.082143] smp_apic_timer_interrupt+0x1cb/0x760 [ 263.086980] ? smp_reschedule_interrupt+0x109/0x650 [ 263.092078] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.097958] ? interrupt_entry+0xb5/0xc0 [ 263.102016] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.107028] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.112050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.116889] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.121904] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.126921] ? task_prio+0x50/0x50 [ 263.130465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.135997] ? check_preemption_disabled+0x48/0x280 [ 263.141012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.145859] apic_timer_interrupt+0xf/0x20 [ 263.150082] [ 263.152319] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 263.157330] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 263.176225] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 263.183934] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 263.191196] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 263.198461] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 263.205722] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 263.212982] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 263.220271] rcu_read_lock_held+0xa9/0xc0 [ 263.224419] css_next_child+0x2a2/0x620 [ 263.228400] ? cgroup_mount+0xd30/0xd30 [ 263.232372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.237911] ? check_preemption_disabled+0x48/0x280 [ 263.242944] ? __lock_is_held+0xb5/0x140 [ 263.247016] css_next_descendant_pre+0xeb/0x190 [ 263.251685] mem_cgroup_iter+0x42f/0x1160 [ 263.255828] ? kasan_check_write+0x14/0x20 [ 263.260069] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 263.264822] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.269839] ? shrink_slab+0xfa/0x8c0 [ 263.273638] ? shrink_active_list+0x1f00/0x1f00 [ 263.278311] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 263.283939] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.289042] ? cgroup_procs_write_finish+0xf0/0xf0 [ 263.293973] ? find_held_lock+0x36/0x1c0 [ 263.298034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.303568] ? vmpressure+0x1a2/0x340 [ 263.307381] shrink_node+0x516/0x16b0 [ 263.311177] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 263.316474] ? shrink_node_memcg+0x18f0/0x18f0 [ 263.321058] ? kvm_clock_read+0x18/0x30 [ 263.325031] ? ktime_get+0x2c1/0x400 [ 263.328743] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 263.333413] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 263.338946] ? __cpuset_node_allowed+0x19b/0x660 [ 263.343701] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 263.349804] ? delayacct_end+0x5a/0x100 [ 263.353780] do_try_to_free_pages+0x3e7/0x1290 [ 263.358384] ? zap_class+0x640/0x640 [ 263.362107] ? shrink_node+0x16b0/0x16b0 [ 263.366164] ? __lock_is_held+0xb5/0x140 [ 263.370233] try_to_free_pages+0x4d0/0xb90 [ 263.374471] ? do_try_to_free_pages+0x1290/0x1290 [ 263.379319] ? lock_acquire+0x1ed/0x520 [ 263.383290] ? set_page_refcounted+0x280/0x280 [ 263.387878] ? lock_release+0xa00/0xa00 [ 263.391851] ? _raw_spin_unlock_irq+0x60/0x80 [ 263.396341] ? psi_memstall_enter+0x240/0x2b0 [ 263.400928] ? psi_memstall_tick+0x230/0x230 [ 263.405343] __alloc_pages_slowpath+0xa14/0x2e10 [ 263.410133] ? warn_alloc+0x120/0x120 [ 263.413932] ? mark_held_locks+0x130/0x130 [ 263.418165] ? find_get_entry+0xaae/0x1120 [ 263.422402] ? filemap_map_pages+0x1a20/0x1a20 [ 263.426998] ? zap_class+0x640/0x640 [ 263.430710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.436249] ? check_preemption_disabled+0x48/0x280 [ 263.441261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.446796] ? should_fail+0x22d/0xd01 [ 263.450682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.455784] ? zap_class+0x640/0x640 [ 263.459513] ? __lock_is_held+0xb5/0x140 [ 263.463580] ? mark_held_locks+0x130/0x130 [ 263.467810] ? lock_release+0xa00/0xa00 [ 263.471788] ? perf_trace_sched_process_exec+0x860/0x860 [ 263.477236] ? xa_load+0x2ba/0x460 [ 263.480774] ? lock_downgrade+0x900/0x900 [ 263.484925] ? __might_sleep+0x95/0x190 [ 263.488905] __alloc_pages_nodemask+0xa80/0xde0 [ 263.493574] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 263.498594] ? __page_cache_alloc+0x191/0x5c0 [ 263.503086] ? xa_load+0x2e1/0x460 [ 263.506623] ? xa_clear_mark+0x40/0x40 [ 263.510510] ? zap_class+0x640/0x640 [ 263.514225] ? zap_class+0x640/0x640 [ 263.517936] ? zap_class+0x640/0x640 [ 263.521646] ? __do_page_cache_readahead+0x663/0x810 [ 263.526748] ? find_held_lock+0x36/0x1c0 [ 263.530808] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 263.536346] alloc_pages_current+0x173/0x350 [ 263.540760] __page_cache_alloc+0x38c/0x5c0 [ 263.545078] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.550001] ? kasan_check_read+0x11/0x20 [ 263.554148] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.559423] ? generic_perform_write+0x6a0/0x6a0 [ 263.564178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.569712] ? check_preemption_disabled+0x48/0x280 [ 263.574730] filemap_fault+0x1595/0x25f0 [ 263.578797] ? __lock_page_or_retry+0xa00/0xa00 [ 263.583462] ? mark_held_locks+0x130/0x130 [ 263.587700] ? filemap_map_pages+0xd6b/0x1a20 [ 263.592190] ? lock_downgrade+0x900/0x900 [ 263.596335] ? check_preemption_disabled+0x48/0x280 [ 263.601359] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.606282] ? kasan_check_read+0x11/0x20 [ 263.610431] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.615700] ? rcu_softirq_qs+0x20/0x20 [ 263.619685] ? filemap_map_pages+0xd92/0x1a20 [ 263.624182] ? print_usage_bug+0xc0/0xc0 [ 263.628244] ? find_get_entries_tag+0x1400/0x1400 [ 263.633082] ? __kasan_slab_free+0x102/0x150 [ 263.637740] ? kasan_slab_free+0xe/0x10 [ 263.641712] ? kmem_cache_free+0x83/0x290 [ 263.645866] ? __sigqueue_free.part.29+0x74/0x90 [ 263.650637] ? lock_acquire+0x1ed/0x520 [ 263.654607] ? ext4_filemap_fault+0x7a/0xad [ 263.658929] ? lock_release+0xa00/0xa00 [ 263.662900] ? perf_trace_sched_process_exec+0x860/0x860 [ 263.668351] ? print_usage_bug+0xc0/0xc0 [ 263.672407] ? print_usage_bug+0xc0/0xc0 [ 263.676473] ? down_read+0x8d/0x120 [ 263.680093] ? ext4_filemap_fault+0x7a/0xad [ 263.684411] ? __down_interruptible+0x700/0x700 [ 263.689172] ext4_filemap_fault+0x82/0xad [ 263.693318] __do_fault+0x100/0x6b0 [ 263.696953] ? pmd_devmap_trans_unstable+0x220/0x220 [ 263.702051] ? mark_held_locks+0x130/0x130 [ 263.706284] ? mark_held_locks+0x130/0x130 [ 263.710524] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 263.716079] ? rcu_pm_notify+0xc0/0xc0 [ 263.719969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.725504] __handle_mm_fault+0x3ea0/0x5be0 [ 263.729917] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 263.734755] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.739245] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 263.743821] ? trace_hardirqs_on+0xbd/0x310 [ 263.748138] ? kasan_check_read+0x11/0x20 [ 263.752298] ? __set_current_blocked+0xdf/0x120 [ 263.756970] ? trace_hardirqs_off_caller+0x310/0x310 [ 263.762169] ? zap_class+0x640/0x640 [ 263.765887] ? zap_class+0x640/0x640 [ 263.769605] ? find_held_lock+0x36/0x1c0 [ 263.773673] ? handle_mm_fault+0x42a/0xc70 [ 263.777904] ? lock_downgrade+0x900/0x900 [ 263.782052] ? check_preemption_disabled+0x48/0x280 [ 263.787066] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.791988] ? kasan_check_read+0x11/0x20 [ 263.796131] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.801415] ? rcu_softirq_qs+0x20/0x20 [ 263.805907] ? trace_hardirqs_off_caller+0x310/0x310 [ 263.811012] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.816547] ? check_preemption_disabled+0x48/0x280 [ 263.821568] handle_mm_fault+0x54f/0xc70 [ 263.825631] ? __handle_mm_fault+0x5be0/0x5be0 [ 263.830211] ? find_vma+0x34/0x190 [ 263.833749] __do_page_fault+0x5e8/0xe60 [ 263.837808] ? exit_to_usermode_loop+0x1f4/0x380 [ 263.842570] do_page_fault+0xf2/0x7e0 [ 263.846369] ? vmalloc_sync_all+0x30/0x30 [ 263.850511] ? error_entry+0x70/0xd0 [ 263.854221] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.859230] ? trace_hardirqs_on_caller+0xc0/0x310 [ 263.864152] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.869075] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.873911] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.878924] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.884374] ? prepare_exit_to_usermode+0x291/0x3b0 [ 263.889385] ? page_fault+0x8/0x30 [ 263.892927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.897766] ? page_fault+0x8/0x30 [ 263.901305] page_fault+0x1e/0x30 [ 263.904757] RIP: 0033:0x45db60 [ 263.907964] Code: Bad RIP value. [ 263.911331] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 263.916688] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 263.923951] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 263.931212] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 263.938479] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 263.945743] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 263.953030] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 263.953092] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.959779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.959786] Call Trace: [ 263.966349] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.975606] dump_stack+0x244/0x39d [ 263.978162] syz-fuzzer cpuset=/ mems_allowed=0 [ 263.988378] ? dump_stack_print_info.cold.1+0x20/0x20 [ 264.001727] warn_alloc.cold.116+0xb7/0x1bd [ 264.006043] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.010891] ? lock_downgrade+0x900/0x900 [ 264.015041] ? trace_hardirqs_off+0xb8/0x310 [ 264.019451] ? trace_hardirqs_off+0xb8/0x310 [ 264.023863] __alloc_pages_slowpath+0x26e8/0x2e10 [ 264.028723] ? warn_alloc+0x120/0x120 [ 264.032525] ? print_usage_bug+0xc0/0xc0 [ 264.036587] ? warn_alloc+0x120/0x120 [ 264.040386] ? warn_alloc+0x120/0x120 [ 264.044182] ? print_usage_bug+0xc0/0xc0 [ 264.048244] ? print_usage_bug+0xc0/0xc0 [ 264.052301] ? __lock_acquire+0x62f/0x4c20 [ 264.056542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.062072] ? should_fail+0x22d/0xd01 [ 264.065983] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.071079] ? __lock_acquire+0x62f/0x4c20 [ 264.075325] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.080422] ? __lock_acquire+0x62f/0x4c20 [ 264.084648] ? should_fail+0x22d/0xd01 [ 264.088527] ? find_held_lock+0x36/0x1c0 [ 264.092681] ? mark_held_locks+0x130/0x130 [ 264.096915] ? mark_held_locks+0x130/0x130 [ 264.101141] ? zap_class+0x640/0x640 [ 264.104858] ? zap_class+0x640/0x640 [ 264.108572] ? print_usage_bug+0xc0/0xc0 [ 264.112624] ? do_raw_spin_unlock+0xa7/0x330 [ 264.117031] ? zap_class+0x640/0x640 [ 264.120740] ? print_usage_bug+0xc0/0xc0 [ 264.124796] ? wq_watchdog_touch+0x9c/0xfe [ 264.129126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.134661] ? check_preemption_disabled+0x48/0x280 [ 264.139684] ? __lock_is_held+0xb5/0x140 [ 264.143749] __alloc_pages_nodemask+0xa80/0xde0 [ 264.148413] ? zap_class+0x640/0x640 [ 264.152131] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 264.157155] ? find_held_lock+0x36/0x1c0 [ 264.161219] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.165882] ? lock_downgrade+0x900/0x900 [ 264.170030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.175564] cache_grow_begin+0xa5/0x8c0 [ 264.179618] ? do_raw_spin_unlock+0xa7/0x330 [ 264.184025] fallback_alloc+0x204/0x2e0 [ 264.188000] ____cache_alloc_node+0x1c7/0x1e0 [ 264.192494] kmem_cache_alloc_node+0xe3/0x730 [ 264.196981] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.201224] __alloc_skb+0x119/0x770 [ 264.204930] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 264.210202] ? netdev_alloc_frag+0x1f0/0x1f0 [ 264.214614] ? lock_downgrade+0x900/0x900 [ 264.218766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.224304] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.229760] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.235208] ? addrconf_rs_timer+0x690/0x690 [ 264.239623] ndisc_alloc_skb+0x144/0x340 [ 264.243697] ndisc_send_rs+0x331/0x6e0 [ 264.247592] addrconf_rs_timer+0x314/0x690 [ 264.251827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.256066] call_timer_fn+0x272/0x920 [ 264.259947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.264174] ? process_timeout+0x40/0x40 [ 264.268240] ? __run_timers+0x7da/0xc70 [ 264.272213] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.276702] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.281190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.285420] ? lockdep_hardirqs_on+0x296/0x5b0 [ 264.289996] ? trace_hardirqs_on+0xbd/0x310 [ 264.294320] ? kasan_check_read+0x11/0x20 [ 264.298463] ? __run_timers+0x7da/0xc70 [ 264.302435] ? trace_hardirqs_off_caller+0x310/0x310 [ 264.307541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.311777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.316006] __run_timers+0x7e5/0xc70 [ 264.319809] ? timer_fixup_init+0x70/0x70 [ 264.323952] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.328442] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.332931] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 264.337508] ? trace_hardirqs_on+0xbd/0x310 [ 264.341830] ? kasan_check_read+0x11/0x20 [ 264.345974] ? finish_task_switch+0x1f4/0x910 [ 264.350465] ? trace_hardirqs_off_caller+0x310/0x310 [ 264.355565] ? compat_start_thread+0x80/0x80 [ 264.359985] ? pvclock_read_flags+0x160/0x160 [ 264.364472] ? __switch_to_asm+0x34/0x70 [ 264.368533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.374076] ? check_preemption_disabled+0x48/0x280 [ 264.379093] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 264.384630] ? rcu_pm_notify+0xc0/0xc0 [ 264.388515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.394046] ? check_preemption_disabled+0x48/0x280 [ 264.399062] run_timer_softirq+0x52/0xb0 [ 264.403116] ? rcu_read_lock_sched_held+0x14f/0x180 [ 264.408127] __do_softirq+0x308/0xb7e [ 264.411934] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 264.417039] ? smpboot_thread_fn+0x334/0xa00 [ 264.421448] ? schedule+0x108/0x460 [ 264.425069] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.429826] ? trace_hardirqs_off+0xb8/0x310 [ 264.434232] ? smpboot_thread_fn+0x68b/0xa00 [ 264.438649] ? trace_hardirqs_on+0x310/0x310 [ 264.443051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.448581] ? check_preemption_disabled+0x48/0x280 [ 264.453591] ? takeover_tasklets+0xa90/0xa90 [ 264.457994] run_ksoftirqd+0x5e/0x100 [ 264.461789] smpboot_thread_fn+0x68b/0xa00 [ 264.466019] ? sort_range+0x30/0x30 [ 264.469639] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.474736] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.480271] ? __kthread_parkme+0xfb/0x1a0 [ 264.484517] ? sort_range+0x30/0x30 [ 264.488140] kthread+0x35a/0x440 [ 264.491500] ? kthread_stop+0x900/0x900 [ 264.495473] ret_from_fork+0x3a/0x50 [ 264.499197] warn_alloc_show_mem: 1 callbacks suppressed [ 264.499206] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 264.499208] Mem-Info: [ 264.499240] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 264.499240] active_file:12 inactive_file:11 isolated_file:0 [ 264.499240] unevictable:0 dirty:0 writeback:0 unstable:0 [ 264.499240] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 264.499240] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 264.499240] free:13782 free_pcp:358 free_cma:0 [ 264.504568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.511491] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 264.513878] Call Trace: [ 264.546745] 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 [ 264.556086] [ 264.583552] lowmem_reserve[]: 0 2818 6321 6321 [ 264.586134] dump_stack+0x244/0x39d [ 264.612211] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 264.614357] ? dump_stack_print_info.cold.1+0x20/0x20 [ 264.618901] lowmem_reserve[]: 0 0 3503 3503 [ 264.622531] warn_alloc.cold.116+0xb7/0x1bd [ 264.650164] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 264.655344] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.659634] lowmem_reserve[]: 0 0 0 0 [ 264.663948] ? lock_downgrade+0x900/0x900 [ 264.692889] 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 [ 264.697727] ? trace_hardirqs_off+0xb8/0x310 [ 264.701494] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 264.705636] ? trace_hardirqs_off+0xb8/0x310 [ 264.719140] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 264.723539] __alloc_pages_slowpath+0x26e8/0x2e10 [ 264.739293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.743700] ? warn_alloc+0x120/0x120 [ 264.758585] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 264.763410] ? print_usage_bug+0xc0/0xc0 [ 264.772215] 266 total pagecache pages [ 264.775999] ? warn_alloc+0x120/0x120 [ 264.784551] 0 pages in swap cache [ 264.788593] ? warn_alloc+0x120/0x120 [ 264.792367] Swap cache stats: add 0, delete 0, find 0/0 [ 264.796152] ? print_usage_bug+0xc0/0xc0 [ 264.799591] Free swap = 0kB [ 264.799594] Total swap = 0kB [ 264.799597] 1965979 pages RAM [ 264.799600] 0 pages HighMem/MovableOnly [ 264.799603] 342854 pages reserved [ 264.799606] 0 pages cma reserved [ 264.799674] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.799716] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.799720] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 264.854221] ? kvm_clock_read+0x18/0x30 [ 264.858203] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 264.863216] ? print_usage_bug+0xc0/0xc0 [ 264.867279] ? __lock_acquire+0x62f/0x4c20 [ 264.871513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.877044] ? should_fail+0x22d/0xd01 [ 264.880926] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 264.886200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.891302] ? __lock_acquire+0x62f/0x4c20 [ 264.895534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.900632] ? __lock_acquire+0x62f/0x4c20 [ 264.904859] ? should_fail+0x22d/0xd01 [ 264.908738] ? rcu_irq_exit+0x1a2/0x390 [ 264.912728] ? mark_held_locks+0x130/0x130 [ 264.916961] ? mark_held_locks+0x130/0x130 [ 264.921200] ? mark_held_locks+0xc7/0x130 [ 264.925342] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 264.930364] ? zap_class+0x640/0x640 [ 264.934074] ? print_usage_bug+0xc0/0xc0 [ 264.938132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.943665] ? check_preemption_disabled+0x48/0x280 [ 264.948688] ? __lock_is_held+0xb5/0x140 [ 264.952754] __alloc_pages_nodemask+0xa80/0xde0 [ 264.957424] ? zap_class+0x640/0x640 [ 264.961157] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 264.966181] ? find_held_lock+0x36/0x1c0 [ 264.970256] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.974934] ? lock_downgrade+0x900/0x900 [ 264.979085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.984621] cache_grow_begin+0xa5/0x8c0 [ 264.988675] ? do_raw_spin_unlock+0xa7/0x330 [ 264.993089] fallback_alloc+0x204/0x2e0 [ 264.997062] ____cache_alloc_node+0x1c7/0x1e0 [ 265.001564] kmem_cache_alloc_node+0xe3/0x730 [ 265.006060] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.010300] __alloc_skb+0x119/0x770 [ 265.014008] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.019284] ? netdev_alloc_frag+0x1f0/0x1f0 [ 265.023687] ? lock_downgrade+0x900/0x900 [ 265.027835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.033374] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.038825] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.044273] ? addrconf_rs_timer+0x690/0x690 [ 265.048692] ndisc_alloc_skb+0x144/0x340 [ 265.052753] ndisc_send_rs+0x331/0x6e0 [ 265.056648] addrconf_rs_timer+0x314/0x690 [ 265.060881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.065118] call_timer_fn+0x272/0x920 [ 265.068999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.073235] ? process_timeout+0x40/0x40 [ 265.077299] ? mark_held_locks+0xc7/0x130 [ 265.081441] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.085931] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.090421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.094652] ? lockdep_hardirqs_on+0x296/0x5b0 [ 265.099239] ? trace_hardirqs_on+0xbd/0x310 [ 265.103560] ? kasan_check_read+0x11/0x20 [ 265.107701] ? __run_timers+0x7da/0xc70 [ 265.111677] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.116795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.121029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.125258] __run_timers+0x7e5/0xc70 [ 265.129067] ? timer_fixup_init+0x70/0x70 [ 265.133225] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.138255] ? zap_class+0x640/0x640 [ 265.141971] ? print_usage_bug+0xc0/0xc0 [ 265.146031] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.151229] ? find_held_lock+0x36/0x1c0 [ 265.155288] ? zap_class+0x640/0x640 [ 265.159011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.164546] ? check_preemption_disabled+0x48/0x280 [ 265.169564] ? __lock_is_held+0xb5/0x140 [ 265.173623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.179157] ? check_preemption_disabled+0x48/0x280 [ 265.184171] run_timer_softirq+0x52/0xb0 [ 265.188232] ? rcu_read_lock_sched_held+0x14f/0x180 [ 265.193248] __do_softirq+0x308/0xb7e [ 265.197049] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 265.201538] ? lock_downgrade+0x900/0x900 [ 265.205683] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 265.210798] ? pvclock_read_flags+0x160/0x160 [ 265.215288] ? lapic_next_event+0x5a/0x90 [ 265.219431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.224972] ? kvm_clock_read+0x18/0x30 [ 265.228939] ? kvm_sched_clock_read+0x9/0x20 [ 265.233430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.239358] ? check_preemption_disabled+0x48/0x280 [ 265.244376] irq_exit+0x17f/0x1c0 [ 265.247825] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.252668] ? smp_reschedule_interrupt+0x109/0x650 [ 265.257681] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.263559] ? interrupt_entry+0xb5/0xc0 [ 265.267620] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.272631] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.277643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.282478] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.287487] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.292501] ? task_prio+0x50/0x50 [ 265.296037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.301572] ? check_preemption_disabled+0x48/0x280 [ 265.306587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.311434] apic_timer_interrupt+0xf/0x20 [ 265.315657] [ 265.317890] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 265.322903] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 265.341797] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 265.349502] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 265.356769] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 265.364033] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 265.371299] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 265.378564] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 265.385852] rcu_read_lock_held+0xa9/0xc0 [ 265.389996] css_next_child+0x2a2/0x620 [ 265.393971] ? cgroup_mount+0xd30/0xd30 [ 265.397944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.403479] ? check_preemption_disabled+0x48/0x280 [ 265.408505] ? __lock_is_held+0xb5/0x140 [ 265.412573] css_next_descendant_pre+0xeb/0x190 [ 265.417242] mem_cgroup_iter+0x42f/0x1160 [ 265.421390] ? kasan_check_write+0x14/0x20 [ 265.425628] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 265.430381] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.435396] ? shrink_slab+0xfa/0x8c0 [ 265.439189] ? shrink_active_list+0x1f00/0x1f00 [ 265.443870] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 265.449496] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.454600] ? cgroup_procs_write_finish+0xf0/0xf0 [ 265.459530] ? find_held_lock+0x36/0x1c0 [ 265.463588] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.469117] ? vmpressure+0x1a2/0x340 [ 265.472920] shrink_node+0x516/0x16b0 [ 265.476719] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 265.482020] ? shrink_node_memcg+0x18f0/0x18f0 [ 265.486600] ? kvm_clock_read+0x18/0x30 [ 265.490570] ? ktime_get+0x2c1/0x400 [ 265.494284] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 265.498775] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 265.504310] ? __cpuset_node_allowed+0x19b/0x660 [ 265.509062] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 265.514781] ? delayacct_end+0x5a/0x100 [ 265.518758] do_try_to_free_pages+0x3e7/0x1290 [ 265.523332] ? zap_class+0x640/0x640 [ 265.527058] ? shrink_node+0x16b0/0x16b0 [ 265.531115] ? __lock_is_held+0xb5/0x140 [ 265.535191] try_to_free_pages+0x4d0/0xb90 [ 265.539438] ? do_try_to_free_pages+0x1290/0x1290 [ 265.544291] ? lock_acquire+0x1ed/0x520 [ 265.548264] ? set_page_refcounted+0x280/0x280 [ 265.552849] ? lock_release+0xa00/0xa00 [ 265.556822] ? _raw_spin_unlock_irq+0x60/0x80 [ 265.561314] ? psi_memstall_enter+0x240/0x2b0 [ 265.565805] ? psi_memstall_tick+0x230/0x230 [ 265.570227] __alloc_pages_slowpath+0xa14/0x2e10 [ 265.575004] ? warn_alloc+0x120/0x120 [ 265.578797] ? mark_held_locks+0x130/0x130 [ 265.583032] ? find_get_entry+0xaae/0x1120 [ 265.587271] ? filemap_map_pages+0x1a20/0x1a20 [ 265.591860] ? zap_class+0x640/0x640 [ 265.595576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.601109] ? check_preemption_disabled+0x48/0x280 [ 265.606120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.611650] ? should_fail+0x22d/0xd01 [ 265.615537] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.620636] ? zap_class+0x640/0x640 [ 265.624365] ? __lock_is_held+0xb5/0x140 [ 265.628428] ? mark_held_locks+0x130/0x130 [ 265.632659] ? lock_release+0xa00/0xa00 [ 265.636918] ? perf_trace_sched_process_exec+0x860/0x860 [ 265.642373] ? xa_load+0x2ba/0x460 [ 265.645911] ? lock_downgrade+0x900/0x900 [ 265.650059] ? __might_sleep+0x95/0x190 [ 265.654041] __alloc_pages_nodemask+0xa80/0xde0 [ 265.658719] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 265.663737] ? __page_cache_alloc+0x191/0x5c0 [ 265.668224] ? xa_load+0x2e1/0x460 [ 265.671762] ? xa_clear_mark+0x40/0x40 [ 265.675646] ? zap_class+0x640/0x640 [ 265.679372] ? zap_class+0x640/0x640 [ 265.683079] ? zap_class+0x640/0x640 [ 265.686786] ? __do_page_cache_readahead+0x663/0x810 [ 265.691888] ? find_held_lock+0x36/0x1c0 [ 265.695951] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 265.701488] alloc_pages_current+0x173/0x350 [ 265.705896] __page_cache_alloc+0x38c/0x5c0 [ 265.710209] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.715246] ? kasan_check_read+0x11/0x20 [ 265.719401] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.724677] ? generic_perform_write+0x6a0/0x6a0 [ 265.729431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.734974] ? check_preemption_disabled+0x48/0x280 [ 265.739993] filemap_fault+0x1595/0x25f0 [ 265.744058] ? __lock_page_or_retry+0xa00/0xa00 [ 265.748727] ? mark_held_locks+0x130/0x130 [ 265.752962] ? filemap_map_pages+0xd6b/0x1a20 [ 265.757452] ? lock_downgrade+0x900/0x900 [ 265.761596] ? check_preemption_disabled+0x48/0x280 [ 265.766611] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.771537] ? kasan_check_read+0x11/0x20 [ 265.775680] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.780952] ? rcu_softirq_qs+0x20/0x20 [ 265.784933] ? filemap_map_pages+0xd92/0x1a20 [ 265.789431] ? print_usage_bug+0xc0/0xc0 [ 265.793495] ? find_get_entries_tag+0x1400/0x1400 [ 265.798507] ? __kasan_slab_free+0x102/0x150 [ 265.803376] ? kasan_slab_free+0xe/0x10 [ 265.807344] ? kmem_cache_free+0x83/0x290 [ 265.811486] ? __sigqueue_free.part.29+0x74/0x90 [ 265.816260] ? lock_acquire+0x1ed/0x520 [ 265.820229] ? ext4_filemap_fault+0x7a/0xad [ 265.824549] ? lock_release+0xa00/0xa00 [ 265.828519] ? perf_trace_sched_process_exec+0x860/0x860 [ 265.833966] ? print_usage_bug+0xc0/0xc0 [ 265.838021] ? print_usage_bug+0xc0/0xc0 [ 265.842088] ? down_read+0x8d/0x120 [ 265.845709] ? ext4_filemap_fault+0x7a/0xad [ 265.850025] ? __down_interruptible+0x700/0x700 [ 265.854700] ext4_filemap_fault+0x82/0xad [ 265.858847] __do_fault+0x100/0x6b0 [ 265.862472] ? pmd_devmap_trans_unstable+0x220/0x220 [ 265.867576] ? mark_held_locks+0x130/0x130 [ 265.871805] ? mark_held_locks+0x130/0x130 [ 265.876039] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 265.881572] ? rcu_pm_notify+0xc0/0xc0 [ 265.885460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.890994] __handle_mm_fault+0x3ea0/0x5be0 [ 265.895405] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 265.900240] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.904730] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 265.909307] ? trace_hardirqs_on+0xbd/0x310 [ 265.913619] ? kasan_check_read+0x11/0x20 [ 265.917759] ? __set_current_blocked+0xdf/0x120 [ 265.922426] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.927536] ? zap_class+0x640/0x640 [ 265.931245] ? zap_class+0x640/0x640 [ 265.934962] ? find_held_lock+0x36/0x1c0 [ 265.939029] ? handle_mm_fault+0x42a/0xc70 [ 265.943264] ? lock_downgrade+0x900/0x900 [ 265.947407] ? check_preemption_disabled+0x48/0x280 [ 265.952421] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.957343] ? kasan_check_read+0x11/0x20 [ 265.961486] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.966758] ? rcu_softirq_qs+0x20/0x20 [ 265.970730] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.975831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.981364] ? check_preemption_disabled+0x48/0x280 [ 265.986379] handle_mm_fault+0x54f/0xc70 [ 265.990438] ? __handle_mm_fault+0x5be0/0x5be0 [ 265.995018] ? find_vma+0x34/0x190 [ 265.998559] __do_page_fault+0x5e8/0xe60 [ 266.002615] ? exit_to_usermode_loop+0x1f4/0x380 [ 266.007373] do_page_fault+0xf2/0x7e0 [ 266.011179] ? vmalloc_sync_all+0x30/0x30 [ 266.015321] ? error_entry+0x70/0xd0 [ 266.019031] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.024045] ? trace_hardirqs_on_caller+0xc0/0x310 [ 266.028971] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.033894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.038734] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.043748] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.049299] ? prepare_exit_to_usermode+0x291/0x3b0 [ 266.054307] ? page_fault+0x8/0x30 [ 266.057845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.062686] ? page_fault+0x8/0x30 [ 266.066221] page_fault+0x1e/0x30 [ 266.069673] RIP: 0033:0x45db60 [ 266.072876] Code: Bad RIP value. [ 266.076230] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 266.081583] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 266.088856] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 266.096116] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 266.103383] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 266.110644] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 266.117934] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 266.118003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.124680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.124685] Call Trace: [ 266.124703] dump_stack+0x244/0x39d [ 266.124723] ? dump_stack_print_info.cold.1+0x20/0x20 [ 266.131234] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.140539] warn_alloc.cold.116+0xb7/0x1bd [ 266.143086] syz-fuzzer cpuset=/ mems_allowed=0 [ 266.146703] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.175861] ? lock_downgrade+0x900/0x900 [ 266.180013] ? trace_hardirqs_off+0xb8/0x310 [ 266.184425] ? trace_hardirqs_off+0xb8/0x310 [ 266.188837] __alloc_pages_slowpath+0x26e8/0x2e10 [ 266.193700] ? warn_alloc+0x120/0x120 [ 266.197497] ? print_usage_bug+0xc0/0xc0 [ 266.201553] ? warn_alloc+0x120/0x120 [ 266.205353] ? warn_alloc+0x120/0x120 [ 266.209158] ? print_usage_bug+0xc0/0xc0 [ 266.213225] ? print_usage_bug+0xc0/0xc0 [ 266.217283] ? __lock_acquire+0x62f/0x4c20 [ 266.221512] ? __lock_acquire+0x62f/0x4c20 [ 266.225748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.231282] ? should_fail+0x22d/0xd01 [ 266.235172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.240274] ? __lock_acquire+0x62f/0x4c20 [ 266.244507] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.249607] ? __lock_acquire+0x62f/0x4c20 [ 266.253835] ? should_fail+0x22d/0xd01 [ 266.257716] ? find_held_lock+0x36/0x1c0 [ 266.261783] ? mark_held_locks+0x130/0x130 [ 266.266020] ? mark_held_locks+0x130/0x130 [ 266.270248] ? zap_class+0x640/0x640 [ 266.273966] ? zap_class+0x640/0x640 [ 266.277678] ? print_usage_bug+0xc0/0xc0 [ 266.281753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.287284] ? check_preemption_disabled+0x48/0x280 [ 266.292306] ? __lock_is_held+0xb5/0x140 [ 266.296366] __alloc_pages_nodemask+0xa80/0xde0 [ 266.301027] ? zap_class+0x640/0x640 [ 266.304739] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 266.309767] ? find_held_lock+0x36/0x1c0 [ 266.313833] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.318502] ? lock_downgrade+0x900/0x900 [ 266.322652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.328190] cache_grow_begin+0xa5/0x8c0 [ 266.332246] ? do_raw_spin_unlock+0xa7/0x330 [ 266.336658] fallback_alloc+0x204/0x2e0 [ 266.340640] ____cache_alloc_node+0x1c7/0x1e0 [ 266.345145] kmem_cache_alloc_node+0xe3/0x730 [ 266.349654] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.353896] __alloc_skb+0x119/0x770 [ 266.357608] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.362884] ? netdev_alloc_frag+0x1f0/0x1f0 [ 266.367290] ? lock_downgrade+0x900/0x900 [ 266.371439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.376974] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.382426] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.387875] ? addrconf_rs_timer+0x690/0x690 [ 266.392286] ndisc_alloc_skb+0x144/0x340 [ 266.396344] ndisc_send_rs+0x331/0x6e0 [ 266.400231] addrconf_rs_timer+0x314/0x690 [ 266.404468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.408709] call_timer_fn+0x272/0x920 [ 266.412592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.416820] ? process_timeout+0x40/0x40 [ 266.420883] ? __run_timers+0x7da/0xc70 [ 266.424851] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.429342] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.433834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.438072] ? lockdep_hardirqs_on+0x296/0x5b0 [ 266.442650] ? trace_hardirqs_on+0xbd/0x310 [ 266.446965] ? kasan_check_read+0x11/0x20 [ 266.451118] ? __run_timers+0x7da/0xc70 [ 266.455094] ? trace_hardirqs_off_caller+0x310/0x310 [ 266.460202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.464434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.468663] __run_timers+0x7e5/0xc70 [ 266.472469] ? timer_fixup_init+0x70/0x70 [ 266.476613] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.481099] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.485595] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 266.490173] ? trace_hardirqs_on+0xbd/0x310 [ 266.494491] ? kasan_check_read+0x11/0x20 [ 266.498634] ? finish_task_switch+0x1f4/0x910 [ 266.503131] ? trace_hardirqs_off_caller+0x310/0x310 [ 266.508236] ? compat_start_thread+0x80/0x80 [ 266.512660] ? pvclock_read_flags+0x160/0x160 [ 266.517152] ? __switch_to_asm+0x34/0x70 [ 266.521211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.526747] ? check_preemption_disabled+0x48/0x280 [ 266.531776] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 266.537309] ? rcu_pm_notify+0xc0/0xc0 [ 266.541202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.546740] ? check_preemption_disabled+0x48/0x280 [ 266.551755] run_timer_softirq+0x52/0xb0 [ 266.555813] ? rcu_read_lock_sched_held+0x14f/0x180 [ 266.560826] __do_softirq+0x308/0xb7e [ 266.564629] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 266.569732] ? smpboot_thread_fn+0x334/0xa00 [ 266.574147] ? schedule+0x108/0x460 [ 266.577769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.582527] ? trace_hardirqs_off+0xb8/0x310 [ 266.586928] ? smpboot_thread_fn+0x68b/0xa00 [ 266.591333] ? trace_hardirqs_on+0x310/0x310 [ 266.595736] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.601271] ? check_preemption_disabled+0x48/0x280 [ 266.606281] ? takeover_tasklets+0xa90/0xa90 [ 266.610683] run_ksoftirqd+0x5e/0x100 [ 266.614476] smpboot_thread_fn+0x68b/0xa00 [ 266.618708] ? sort_range+0x30/0x30 [ 266.622339] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.627439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.632970] ? __kthread_parkme+0xfb/0x1a0 [ 266.637207] ? sort_range+0x30/0x30 [ 266.640830] kthread+0x35a/0x440 [ 266.644191] ? kthread_stop+0x900/0x900 [ 266.648160] ret_from_fork+0x3a/0x50 [ 266.651885] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 266.651890] warn_alloc_show_mem: 1 callbacks suppressed [ 266.651896] Mem-Info: [ 266.658810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.664175] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 266.664175] active_file:12 inactive_file:11 isolated_file:0 [ 266.664175] unevictable:0 dirty:0 writeback:0 unstable:0 [ 266.664175] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 266.664175] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 266.664175] free:13782 free_pcp:358 free_cma:0 [ 266.666550] Call Trace: [ 266.675927] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 266.708762] [ 266.711328] 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 [ 266.738819] dump_stack+0x244/0x39d [ 266.740938] lowmem_reserve[]: 0 2818 6321 6321 [ 266.767036] ? dump_stack_print_info.cold.1+0x20/0x20 [ 266.770632] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 266.775214] warn_alloc.cold.116+0xb7/0x1bd [ 266.780361] lowmem_reserve[]: 0 0 3503 3503 [ 266.808198] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.812493] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 266.816805] ? lock_downgrade+0x900/0x900 [ 266.821611] lowmem_reserve[]: 0 0 0 0 [ 266.850852] ? trace_hardirqs_off+0xb8/0x310 [ 266.854967] 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 [ 266.858772] ? trace_hardirqs_off+0xb8/0x310 [ 266.863151] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 266.876666] __alloc_pages_slowpath+0x26e8/0x2e10 [ 266.881217] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 266.896420] ? warn_alloc+0x120/0x120 [ 266.901217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 266.916110] ? print_usage_bug+0xc0/0xc0 [ 266.919899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.928722] ? warn_alloc+0x120/0x120 [ 266.932752] 266 total pagecache pages [ 266.941312] ? warn_alloc+0x120/0x120 [ 266.945092] 0 pages in swap cache [ 266.948874] ? print_usage_bug+0xc0/0xc0 [ 266.952652] Swap cache stats: add 0, delete 0, find 0/0 [ 266.956097] ? print_usage_bug+0xc0/0xc0 [ 266.960134] Free swap = 0kB [ 266.965491] ? __lock_acquire+0x62f/0x4c20 [ 266.969519] Total swap = 0kB [ 266.969526] 1965979 pages RAM [ 266.972534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.976732] 0 pages HighMem/MovableOnly [ 266.976739] 342854 pages reserved [ 266.979747] ? should_fail+0x22d/0xd01 [ 266.982821] 0 pages cma reserved [ 266.988348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.992355] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.995734] ? __lock_acquire+0x62f/0x4c20 [ 266.999645] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.002958] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.008031] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 267.014504] ? __lock_acquire+0x62f/0x4c20 [ 267.014519] ? should_fail+0x22d/0xd01 [ 267.046831] ? find_held_lock+0x36/0x1c0 [ 267.050903] ? mark_held_locks+0x130/0x130 [ 267.055569] ? mark_held_locks+0x130/0x130 [ 267.059804] ? zap_class+0x640/0x640 [ 267.063517] ? zap_class+0x640/0x640 [ 267.067231] ? print_usage_bug+0xc0/0xc0 [ 267.071286] ? do_raw_spin_unlock+0xa7/0x330 [ 267.075689] ? zap_class+0x640/0x640 [ 267.079417] ? print_usage_bug+0xc0/0xc0 [ 267.083470] ? wq_watchdog_touch+0x9c/0xfe [ 267.087702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.093235] ? check_preemption_disabled+0x48/0x280 [ 267.098253] ? __lock_is_held+0xb5/0x140 [ 267.102314] __alloc_pages_nodemask+0xa80/0xde0 [ 267.106976] ? zap_class+0x640/0x640 [ 267.110689] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 267.115710] ? find_held_lock+0x36/0x1c0 [ 267.119775] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.124442] ? lock_downgrade+0x900/0x900 [ 267.128595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.134220] cache_grow_begin+0xa5/0x8c0 [ 267.138278] ? do_raw_spin_unlock+0xa7/0x330 [ 267.142690] fallback_alloc+0x204/0x2e0 [ 267.146666] ____cache_alloc_node+0x1c7/0x1e0 [ 267.151164] kmem_cache_alloc_node+0xe3/0x730 [ 267.155654] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.159889] __alloc_skb+0x119/0x770 [ 267.163599] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 267.168873] ? netdev_alloc_frag+0x1f0/0x1f0 [ 267.173278] ? lock_downgrade+0x900/0x900 [ 267.177428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.182958] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.188404] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.193847] ? addrconf_rs_timer+0x690/0x690 [ 267.198263] ndisc_alloc_skb+0x144/0x340 [ 267.202321] ndisc_send_rs+0x331/0x6e0 [ 267.206206] addrconf_rs_timer+0x314/0x690 [ 267.210444] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.214686] call_timer_fn+0x272/0x920 [ 267.218567] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.222799] ? process_timeout+0x40/0x40 [ 267.226866] ? mark_held_locks+0xc7/0x130 [ 267.231011] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.235505] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.239992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.244225] ? lockdep_hardirqs_on+0x296/0x5b0 [ 267.248802] ? trace_hardirqs_on+0xbd/0x310 [ 267.253205] ? kasan_check_read+0x11/0x20 [ 267.257346] ? __run_timers+0x7da/0xc70 [ 267.261329] ? trace_hardirqs_off_caller+0x310/0x310 [ 267.266433] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.270675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.274906] __run_timers+0x7e5/0xc70 [ 267.278720] ? timer_fixup_init+0x70/0x70 [ 267.282864] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.287874] ? zap_class+0x640/0x640 [ 267.291592] ? print_usage_bug+0xc0/0xc0 [ 267.295648] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.300843] ? find_held_lock+0x36/0x1c0 [ 267.304901] ? zap_class+0x640/0x640 [ 267.308616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.314147] ? check_preemption_disabled+0x48/0x280 [ 267.319168] ? __lock_is_held+0xb5/0x140 [ 267.323225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.328755] ? check_preemption_disabled+0x48/0x280 [ 267.333770] run_timer_softirq+0x52/0xb0 [ 267.337832] ? rcu_read_lock_sched_held+0x14f/0x180 [ 267.342841] __do_softirq+0x308/0xb7e [ 267.346648] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 267.351137] ? lock_downgrade+0x900/0x900 [ 267.355283] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 267.360388] ? pvclock_read_flags+0x160/0x160 [ 267.364878] ? lapic_next_event+0x5a/0x90 [ 267.369036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.374579] ? kvm_clock_read+0x18/0x30 [ 267.378549] ? kvm_sched_clock_read+0x9/0x20 [ 267.382956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.388487] ? check_preemption_disabled+0x48/0x280 [ 267.393507] irq_exit+0x17f/0x1c0 [ 267.396959] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.401793] ? smp_reschedule_interrupt+0x109/0x650 [ 267.406811] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.412693] ? interrupt_entry+0xb5/0xc0 [ 267.416750] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.421763] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.426865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.431703] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.436713] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.441726] ? task_prio+0x50/0x50 [ 267.445267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.450799] ? check_preemption_disabled+0x48/0x280 [ 267.455820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.460668] apic_timer_interrupt+0xf/0x20 [ 267.464893] [ 267.467129] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 267.472142] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 267.491207] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 267.498907] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 267.506169] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 267.513431] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 267.520694] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 267.527955] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 267.535244] rcu_read_lock_held+0xa9/0xc0 [ 267.539386] css_next_child+0x2a2/0x620 [ 267.543367] ? cgroup_mount+0xd30/0xd30 [ 267.547343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.552875] ? check_preemption_disabled+0x48/0x280 [ 267.557892] ? __lock_is_held+0xb5/0x140 [ 267.561963] css_next_descendant_pre+0xeb/0x190 [ 267.566629] mem_cgroup_iter+0x42f/0x1160 [ 267.570774] ? kasan_check_write+0x14/0x20 [ 267.575009] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 267.579765] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.584785] ? shrink_slab+0xfa/0x8c0 [ 267.588579] ? shrink_active_list+0x1f00/0x1f00 [ 267.593251] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 267.598871] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 267.603974] ? cgroup_procs_write_finish+0xf0/0xf0 [ 267.608903] ? find_held_lock+0x36/0x1c0 [ 267.612962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.618491] ? vmpressure+0x1a2/0x340 [ 267.622290] shrink_node+0x516/0x16b0 [ 267.626089] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 267.631381] ? shrink_node_memcg+0x18f0/0x18f0 [ 267.636251] ? kvm_clock_read+0x18/0x30 [ 267.640221] ? ktime_get+0x2c1/0x400 [ 267.643936] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 267.648428] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 267.653960] ? __cpuset_node_allowed+0x19b/0x660 [ 267.658710] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 267.664415] ? delayacct_end+0x5a/0x100 [ 267.668393] do_try_to_free_pages+0x3e7/0x1290 [ 267.672969] ? zap_class+0x640/0x640 [ 267.676691] ? shrink_node+0x16b0/0x16b0 [ 267.680747] ? __lock_is_held+0xb5/0x140 [ 267.684822] try_to_free_pages+0x4d0/0xb90 [ 267.689056] ? do_try_to_free_pages+0x1290/0x1290 [ 267.693907] ? lock_acquire+0x1ed/0x520 [ 267.697877] ? set_page_refcounted+0x280/0x280 [ 267.702457] ? lock_release+0xa00/0xa00 [ 267.706428] ? _raw_spin_unlock_irq+0x60/0x80 [ 267.710915] ? psi_memstall_enter+0x240/0x2b0 [ 267.715403] ? psi_memstall_tick+0x230/0x230 [ 267.719815] __alloc_pages_slowpath+0xa14/0x2e10 [ 267.724591] ? warn_alloc+0x120/0x120 [ 267.728384] ? mark_held_locks+0x130/0x130 [ 267.732622] ? find_get_entry+0xaae/0x1120 [ 267.736860] ? filemap_map_pages+0x1a20/0x1a20 [ 267.741441] ? zap_class+0x640/0x640 [ 267.745159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.750693] ? check_preemption_disabled+0x48/0x280 [ 267.755703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.761234] ? should_fail+0x22d/0xd01 [ 267.765123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.770220] ? zap_class+0x640/0x640 [ 267.773951] ? __lock_is_held+0xb5/0x140 [ 267.778022] ? mark_held_locks+0x130/0x130 [ 267.782258] ? lock_release+0xa00/0xa00 [ 267.786228] ? perf_trace_sched_process_exec+0x860/0x860 [ 267.791678] ? xa_load+0x2ba/0x460 [ 267.795219] ? lock_downgrade+0x900/0x900 [ 267.799411] ? __might_sleep+0x95/0x190 [ 267.803911] __alloc_pages_nodemask+0xa80/0xde0 [ 267.808585] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 267.813601] ? __page_cache_alloc+0x191/0x5c0 [ 267.818095] ? xa_load+0x2e1/0x460 [ 267.821635] ? xa_clear_mark+0x40/0x40 [ 267.825518] ? zap_class+0x640/0x640 [ 267.829240] ? zap_class+0x640/0x640 [ 267.832949] ? zap_class+0x640/0x640 [ 267.836658] ? __do_page_cache_readahead+0x663/0x810 [ 267.841758] ? find_held_lock+0x36/0x1c0 [ 267.845823] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 267.851358] alloc_pages_current+0x173/0x350 [ 267.855765] __page_cache_alloc+0x38c/0x5c0 [ 267.860083] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 267.865014] ? kasan_check_read+0x11/0x20 [ 267.869157] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 267.874430] ? generic_perform_write+0x6a0/0x6a0 [ 267.879184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.884715] ? check_preemption_disabled+0x48/0x280 [ 267.889733] filemap_fault+0x1595/0x25f0 [ 267.893798] ? __lock_page_or_retry+0xa00/0xa00 [ 267.898464] ? mark_held_locks+0x130/0x130 [ 267.902700] ? filemap_map_pages+0xd6b/0x1a20 [ 267.907189] ? lock_downgrade+0x900/0x900 [ 267.911331] ? check_preemption_disabled+0x48/0x280 [ 267.918168] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 267.923088] ? kasan_check_read+0x11/0x20 [ 267.927228] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 267.932496] ? rcu_softirq_qs+0x20/0x20 [ 267.936478] ? filemap_map_pages+0xd92/0x1a20 [ 267.940972] ? print_usage_bug+0xc0/0xc0 [ 267.945043] ? find_get_entries_tag+0x1400/0x1400 [ 267.949879] ? __kasan_slab_free+0x102/0x150 [ 267.954282] ? kasan_slab_free+0xe/0x10 [ 267.958249] ? kmem_cache_free+0x83/0x290 [ 267.962391] ? __sigqueue_free.part.29+0x74/0x90 [ 267.967171] ? lock_acquire+0x1ed/0x520 [ 267.971139] ? ext4_filemap_fault+0x7a/0xad [ 267.975461] ? lock_release+0xa00/0xa00 [ 267.979431] ? perf_trace_sched_process_exec+0x860/0x860 [ 267.984878] ? print_usage_bug+0xc0/0xc0 [ 267.988934] ? print_usage_bug+0xc0/0xc0 [ 267.993008] ? down_read+0x8d/0x120 [ 267.996630] ? ext4_filemap_fault+0x7a/0xad [ 268.000947] ? __down_interruptible+0x700/0x700 [ 268.005628] ext4_filemap_fault+0x82/0xad [ 268.009771] __do_fault+0x100/0x6b0 [ 268.013398] ? pmd_devmap_trans_unstable+0x220/0x220 [ 268.018501] ? mark_held_locks+0x130/0x130 [ 268.022740] ? mark_held_locks+0x130/0x130 [ 268.026979] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 268.032519] ? rcu_pm_notify+0xc0/0xc0 [ 268.036412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.041949] __handle_mm_fault+0x3ea0/0x5be0 [ 268.046374] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 268.051211] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.055702] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 268.060282] ? trace_hardirqs_on+0xbd/0x310 [ 268.064596] ? kasan_check_read+0x11/0x20 [ 268.068741] ? __set_current_blocked+0xdf/0x120 [ 268.073406] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.078528] ? zap_class+0x640/0x640 [ 268.082235] ? zap_class+0x640/0x640 [ 268.085949] ? find_held_lock+0x36/0x1c0 [ 268.090022] ? handle_mm_fault+0x42a/0xc70 [ 268.094254] ? lock_downgrade+0x900/0x900 [ 268.098397] ? check_preemption_disabled+0x48/0x280 [ 268.103408] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 268.108333] ? kasan_check_read+0x11/0x20 [ 268.112472] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.117752] ? rcu_softirq_qs+0x20/0x20 [ 268.121720] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.126819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.132350] ? check_preemption_disabled+0x48/0x280 [ 268.137467] handle_mm_fault+0x54f/0xc70 [ 268.141542] ? __handle_mm_fault+0x5be0/0x5be0 [ 268.146120] ? find_vma+0x34/0x190 [ 268.149661] __do_page_fault+0x5e8/0xe60 [ 268.153716] ? exit_to_usermode_loop+0x1f4/0x380 [ 268.158473] do_page_fault+0xf2/0x7e0 [ 268.162274] ? vmalloc_sync_all+0x30/0x30 [ 268.166414] ? error_entry+0x70/0xd0 [ 268.170127] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.175136] ? trace_hardirqs_on_caller+0xc0/0x310 [ 268.180057] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.184988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.189829] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.194842] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.200290] ? prepare_exit_to_usermode+0x291/0x3b0 [ 268.205300] ? page_fault+0x8/0x30 [ 268.208835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.213674] ? page_fault+0x8/0x30 [ 268.217210] page_fault+0x1e/0x30 [ 268.220657] RIP: 0033:0x45db60 [ 268.223858] Code: Bad RIP value. [ 268.227213] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 268.232573] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 268.239834] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 268.247094] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 268.254359] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 268.261619] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 268.268903] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 268.268973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.275649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.275654] Call Trace: [ 268.275671] dump_stack+0x244/0x39d [ 268.275691] ? dump_stack_print_info.cold.1+0x20/0x20 [ 268.282227] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.291593] warn_alloc.cold.116+0xb7/0x1bd [ 268.294141] syz-fuzzer cpuset=/ mems_allowed=0 [ 268.297755] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.326841] ? lock_downgrade+0x900/0x900 [ 268.330999] ? trace_hardirqs_off+0xb8/0x310 [ 268.335406] ? trace_hardirqs_off+0xb8/0x310 [ 268.339817] __alloc_pages_slowpath+0x26e8/0x2e10 [ 268.344679] ? warn_alloc+0x120/0x120 [ 268.348474] ? print_usage_bug+0xc0/0xc0 [ 268.352533] ? warn_alloc+0x120/0x120 [ 268.356340] ? warn_alloc+0x120/0x120 [ 268.360133] ? print_usage_bug+0xc0/0xc0 [ 268.364193] ? print_usage_bug+0xc0/0xc0 [ 268.368251] ? __lock_acquire+0x62f/0x4c20 [ 268.372484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.378019] ? should_fail+0x22d/0xd01 [ 268.381908] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.387007] ? __lock_acquire+0x62f/0x4c20 [ 268.391242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.396339] ? __lock_acquire+0x62f/0x4c20 [ 268.400566] ? should_fail+0x22d/0xd01 [ 268.404451] ? find_held_lock+0x36/0x1c0 [ 268.408517] ? mark_held_locks+0x130/0x130 [ 268.412752] ? mark_held_locks+0x130/0x130 [ 268.416990] ? zap_class+0x640/0x640 [ 268.420700] ? zap_class+0x640/0x640 [ 268.424407] ? print_usage_bug+0xc0/0xc0 [ 268.428464] ? do_raw_spin_unlock+0xa7/0x330 [ 268.432871] ? zap_class+0x640/0x640 [ 268.436582] ? print_usage_bug+0xc0/0xc0 [ 268.440636] ? wq_watchdog_touch+0x9c/0xfe [ 268.444869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.450401] ? check_preemption_disabled+0x48/0x280 [ 268.455419] ? __lock_is_held+0xb5/0x140 [ 268.459479] __alloc_pages_nodemask+0xa80/0xde0 [ 268.464140] ? zap_class+0x640/0x640 [ 268.467854] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 268.472877] ? find_held_lock+0x36/0x1c0 [ 268.476949] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.481627] ? lock_downgrade+0x900/0x900 [ 268.485774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.491309] cache_grow_begin+0xa5/0x8c0 [ 268.495364] ? do_raw_spin_unlock+0xa7/0x330 [ 268.499774] fallback_alloc+0x204/0x2e0 [ 268.503747] ____cache_alloc_node+0x1c7/0x1e0 [ 268.508242] kmem_cache_alloc_node+0xe3/0x730 [ 268.512732] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.516980] __alloc_skb+0x119/0x770 [ 268.520688] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.525975] ? netdev_alloc_frag+0x1f0/0x1f0 [ 268.530383] ? lock_downgrade+0x900/0x900 [ 268.534532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.540065] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.545511] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.550967] ? addrconf_rs_timer+0x690/0x690 [ 268.555379] ndisc_alloc_skb+0x144/0x340 [ 268.559441] ndisc_send_rs+0x331/0x6e0 [ 268.563332] addrconf_rs_timer+0x314/0x690 [ 268.567569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.571807] call_timer_fn+0x272/0x920 [ 268.575685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.579913] ? process_timeout+0x40/0x40 [ 268.583989] ? __run_timers+0x7da/0xc70 [ 268.587974] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.592459] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.596956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.601192] ? lockdep_hardirqs_on+0x296/0x5b0 [ 268.605787] ? trace_hardirqs_on+0xbd/0x310 [ 268.610105] ? kasan_check_read+0x11/0x20 [ 268.614245] ? __run_timers+0x7da/0xc70 [ 268.618215] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.623322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.627559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.631787] __run_timers+0x7e5/0xc70 [ 268.636029] ? timer_fixup_init+0x70/0x70 [ 268.640174] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.644666] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.649155] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 268.653731] ? trace_hardirqs_on+0xbd/0x310 [ 268.658048] ? kasan_check_read+0x11/0x20 [ 268.662194] ? finish_task_switch+0x1f4/0x910 [ 268.666687] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.671783] ? compat_start_thread+0x80/0x80 [ 268.676203] ? pvclock_read_flags+0x160/0x160 [ 268.680689] ? __switch_to_asm+0x34/0x70 [ 268.684748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.690285] ? check_preemption_disabled+0x48/0x280 [ 268.695306] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 268.700837] ? rcu_pm_notify+0xc0/0xc0 [ 268.704722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.710260] ? check_preemption_disabled+0x48/0x280 [ 268.715279] run_timer_softirq+0x52/0xb0 [ 268.719338] ? rcu_read_lock_sched_held+0x14f/0x180 [ 268.724348] __do_softirq+0x308/0xb7e [ 268.728157] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 268.733257] ? smpboot_thread_fn+0x334/0xa00 [ 268.737666] ? schedule+0x108/0x460 [ 268.741286] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.746051] ? trace_hardirqs_off+0xb8/0x310 [ 268.750452] ? smpboot_thread_fn+0x68b/0xa00 [ 268.754858] ? trace_hardirqs_on+0x310/0x310 [ 268.759264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.764795] ? check_preemption_disabled+0x48/0x280 [ 268.769805] ? takeover_tasklets+0xa90/0xa90 [ 268.774212] run_ksoftirqd+0x5e/0x100 [ 268.778008] smpboot_thread_fn+0x68b/0xa00 [ 268.782243] ? sort_range+0x30/0x30 [ 268.785865] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 268.790968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.796505] ? __kthread_parkme+0xfb/0x1a0 [ 268.800736] ? sort_range+0x30/0x30 [ 268.804365] kthread+0x35a/0x440 [ 268.807850] ? kthread_stop+0x900/0x900 [ 268.811819] ret_from_fork+0x3a/0x50 [ 268.815541] warn_alloc_show_mem: 1 callbacks suppressed [ 268.815551] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 268.815553] Mem-Info: [ 268.815583] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 268.815583] active_file:12 inactive_file:11 isolated_file:0 [ 268.815583] unevictable:0 dirty:0 writeback:0 unstable:0 [ 268.815583] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 268.815583] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 268.815583] free:13782 free_pcp:358 free_cma:0 [ 268.820921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.827844] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 268.830236] Call Trace: [ 268.863110] 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 [ 268.872454] [ 268.899926] lowmem_reserve[]: 0 2818 6321 6321 [ 268.902502] dump_stack+0x244/0x39d [ 268.928588] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 268.930732] ? dump_stack_print_info.cold.1+0x20/0x20 [ 268.935283] lowmem_reserve[]: 0 0 3503 3503 [ 268.938915] warn_alloc.cold.116+0xb7/0x1bd [ 268.966546] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 268.971727] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.976017] lowmem_reserve[]: 0 0 0 0 [ 268.980330] ? lock_downgrade+0x900/0x900 [ 269.009280] 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 [ 269.014119] ? trace_hardirqs_off+0xb8/0x310 [ 269.017883] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 269.022039] ? trace_hardirqs_off+0xb8/0x310 [ 269.035524] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 269.039946] __alloc_pages_slowpath+0x26e8/0x2e10 [ 269.055090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 269.059503] ? warn_alloc+0x120/0x120 [ 269.074370] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 269.079197] ? print_usage_bug+0xc0/0xc0 [ 269.088005] 266 total pagecache pages [ 269.091790] ? warn_alloc+0x120/0x120 [ 269.100342] 0 pages in swap cache [ 269.104388] ? warn_alloc+0x120/0x120 [ 269.108161] Swap cache stats: add 0, delete 0, find 0/0 [ 269.111948] ? print_usage_bug+0xc0/0xc0 [ 269.115373] Free swap = 0kB [ 269.119162] ? kvm_clock_read+0x18/0x30 [ 269.124496] Total swap = 0kB [ 269.128633] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 269.131621] 1965979 pages RAM [ 269.135584] ? print_usage_bug+0xc0/0xc0 [ 269.138569] 0 pages HighMem/MovableOnly [ 269.138576] 342854 pages reserved [ 269.144360] ? __lock_acquire+0x62f/0x4c20 [ 269.147434] 0 pages cma reserved [ 269.152870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.156884] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.160259] ? should_fail+0x22d/0xd01 [ 269.164539] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.167816] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.173323] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 269.179801] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.208956] ? __lock_acquire+0x62f/0x4c20 [ 269.213194] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.218288] ? __lock_acquire+0x62f/0x4c20 [ 269.222517] ? should_fail+0x22d/0xd01 [ 269.226395] ? rcu_irq_exit+0x1a2/0x390 [ 269.230375] ? mark_held_locks+0x130/0x130 [ 269.234614] ? mark_held_locks+0x130/0x130 [ 269.238851] ? mark_held_locks+0xc7/0x130 [ 269.243087] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 269.248286] ? zap_class+0x640/0x640 [ 269.251993] ? print_usage_bug+0xc0/0xc0 [ 269.256059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.261592] ? check_preemption_disabled+0x48/0x280 [ 269.266610] ? __lock_is_held+0xb5/0x140 [ 269.270671] __alloc_pages_nodemask+0xa80/0xde0 [ 269.275332] ? zap_class+0x640/0x640 [ 269.279049] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 269.284067] ? find_held_lock+0x36/0x1c0 [ 269.288137] ? ____cache_alloc_node+0x1c7/0x1e0 [ 269.292801] ? lock_downgrade+0x900/0x900 [ 269.296949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.302482] cache_grow_begin+0xa5/0x8c0 [ 269.306545] ? do_raw_spin_unlock+0xa7/0x330 [ 269.310955] fallback_alloc+0x204/0x2e0 [ 269.314931] ____cache_alloc_node+0x1c7/0x1e0 [ 269.319427] kmem_cache_alloc_node+0xe3/0x730 [ 269.323931] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.328182] __alloc_skb+0x119/0x770 [ 269.331902] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.337177] ? netdev_alloc_frag+0x1f0/0x1f0 [ 269.341578] ? lock_downgrade+0x900/0x900 [ 269.345727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.351260] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.356707] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.362153] ? addrconf_rs_timer+0x690/0x690 [ 269.366577] ndisc_alloc_skb+0x144/0x340 [ 269.370639] ndisc_send_rs+0x331/0x6e0 [ 269.374525] addrconf_rs_timer+0x314/0x690 [ 269.378759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.382995] call_timer_fn+0x272/0x920 [ 269.386882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.391113] ? process_timeout+0x40/0x40 [ 269.395178] ? mark_held_locks+0xc7/0x130 [ 269.399322] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.403812] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.408302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.412534] ? lockdep_hardirqs_on+0x296/0x5b0 [ 269.417200] ? trace_hardirqs_on+0xbd/0x310 [ 269.421535] ? kasan_check_read+0x11/0x20 [ 269.425676] ? __run_timers+0x7da/0xc70 [ 269.429648] ? trace_hardirqs_off_caller+0x310/0x310 [ 269.434756] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.438993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.443220] __run_timers+0x7e5/0xc70 [ 269.447023] ? timer_fixup_init+0x70/0x70 [ 269.451177] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.456188] ? zap_class+0x640/0x640 [ 269.459905] ? print_usage_bug+0xc0/0xc0 [ 269.463962] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.469151] ? find_held_lock+0x36/0x1c0 [ 269.473210] ? zap_class+0x640/0x640 [ 269.476922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.482468] ? check_preemption_disabled+0x48/0x280 [ 269.487492] ? __lock_is_held+0xb5/0x140 [ 269.491547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.497080] ? check_preemption_disabled+0x48/0x280 [ 269.502095] run_timer_softirq+0x52/0xb0 [ 269.506153] ? rcu_read_lock_sched_held+0x14f/0x180 [ 269.511167] __do_softirq+0x308/0xb7e [ 269.514963] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 269.519450] ? lock_downgrade+0x900/0x900 [ 269.523595] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 269.528698] ? pvclock_read_flags+0x160/0x160 [ 269.533194] ? lapic_next_event+0x5a/0x90 [ 269.537341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.542882] ? kvm_clock_read+0x18/0x30 [ 269.546856] ? kvm_sched_clock_read+0x9/0x20 [ 269.551264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.556796] ? check_preemption_disabled+0x48/0x280 [ 269.561817] irq_exit+0x17f/0x1c0 [ 269.565271] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.570110] ? smp_reschedule_interrupt+0x109/0x650 [ 269.575125] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.581004] ? interrupt_entry+0xb5/0xc0 [ 269.585066] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.590073] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.595175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.600015] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.605022] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.610033] ? task_prio+0x50/0x50 [ 269.613569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.619102] ? check_preemption_disabled+0x48/0x280 [ 269.624121] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.628969] apic_timer_interrupt+0xf/0x20 [ 269.633193] [ 269.635680] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 269.640696] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 269.659588] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 269.667287] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 269.674553] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 269.681819] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 269.689094] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 269.696357] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 269.703657] rcu_read_lock_held+0xa9/0xc0 [ 269.707803] css_next_child+0x2a2/0x620 [ 269.711787] ? cgroup_mount+0xd30/0xd30 [ 269.715759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.721293] ? check_preemption_disabled+0x48/0x280 [ 269.726315] ? __lock_is_held+0xb5/0x140 [ 269.730388] css_next_descendant_pre+0xeb/0x190 [ 269.735055] mem_cgroup_iter+0x42f/0x1160 [ 269.739199] ? kasan_check_write+0x14/0x20 [ 269.743439] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 269.748189] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.753203] ? shrink_slab+0xfa/0x8c0 [ 269.757002] ? shrink_active_list+0x1f00/0x1f00 [ 269.761672] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 269.767290] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.772394] ? cgroup_procs_write_finish+0xf0/0xf0 [ 269.777325] ? find_held_lock+0x36/0x1c0 [ 269.781385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.786917] ? vmpressure+0x1a2/0x340 [ 269.790714] shrink_node+0x516/0x16b0 [ 269.794509] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 269.799802] ? shrink_node_memcg+0x18f0/0x18f0 [ 269.804873] ? kvm_clock_read+0x18/0x30 [ 269.808854] ? ktime_get+0x2c1/0x400 [ 269.812565] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 269.817059] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.822591] ? __cpuset_node_allowed+0x19b/0x660 [ 269.827347] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 269.833056] ? delayacct_end+0x5a/0x100 [ 269.837035] do_try_to_free_pages+0x3e7/0x1290 [ 269.841615] ? zap_class+0x640/0x640 [ 269.845339] ? shrink_node+0x16b0/0x16b0 [ 269.849401] ? __lock_is_held+0xb5/0x140 [ 269.853469] try_to_free_pages+0x4d0/0xb90 [ 269.857703] ? do_try_to_free_pages+0x1290/0x1290 [ 269.862551] ? lock_acquire+0x1ed/0x520 [ 269.866517] ? set_page_refcounted+0x280/0x280 [ 269.871104] ? lock_release+0xa00/0xa00 [ 269.875074] ? _raw_spin_unlock_irq+0x60/0x80 [ 269.879564] ? psi_memstall_enter+0x240/0x2b0 [ 269.884057] ? psi_memstall_tick+0x230/0x230 [ 269.888472] __alloc_pages_slowpath+0xa14/0x2e10 [ 269.893251] ? warn_alloc+0x120/0x120 [ 269.897049] ? mark_held_locks+0x130/0x130 [ 269.901284] ? find_get_entry+0xaae/0x1120 [ 269.905520] ? filemap_map_pages+0x1a20/0x1a20 [ 269.910108] ? zap_class+0x640/0x640 [ 269.913833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.919370] ? check_preemption_disabled+0x48/0x280 [ 269.924381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.929917] ? should_fail+0x22d/0xd01 [ 269.933802] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.938907] ? zap_class+0x640/0x640 [ 269.942635] ? __lock_is_held+0xb5/0x140 [ 269.946702] ? mark_held_locks+0x130/0x130 [ 269.950933] ? lock_release+0xa00/0xa00 [ 269.954919] ? perf_trace_sched_process_exec+0x860/0x860 [ 269.960366] ? xa_load+0x2ba/0x460 [ 269.963921] ? lock_downgrade+0x900/0x900 [ 269.968066] ? __might_sleep+0x95/0x190 [ 269.972059] __alloc_pages_nodemask+0xa80/0xde0 [ 269.976729] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 269.981742] ? __page_cache_alloc+0x191/0x5c0 [ 269.986229] ? xa_load+0x2e1/0x460 [ 269.989763] ? xa_clear_mark+0x40/0x40 [ 269.993645] ? zap_class+0x640/0x640 [ 269.997364] ? zap_class+0x640/0x640 [ 270.001069] ? zap_class+0x640/0x640 [ 270.004775] ? __do_page_cache_readahead+0x663/0x810 [ 270.009900] ? find_held_lock+0x36/0x1c0 [ 270.013972] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 270.019508] alloc_pages_current+0x173/0x350 [ 270.023919] __page_cache_alloc+0x38c/0x5c0 [ 270.028234] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 270.033161] ? kasan_check_read+0x11/0x20 [ 270.037301] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.042585] ? generic_perform_write+0x6a0/0x6a0 [ 270.047344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.052879] ? check_preemption_disabled+0x48/0x280 [ 270.057896] filemap_fault+0x1595/0x25f0 [ 270.061962] ? __lock_page_or_retry+0xa00/0xa00 [ 270.066626] ? mark_held_locks+0x130/0x130 [ 270.070868] ? filemap_map_pages+0xd6b/0x1a20 [ 270.075361] ? lock_downgrade+0x900/0x900 [ 270.079503] ? check_preemption_disabled+0x48/0x280 [ 270.084515] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 270.089435] ? kasan_check_read+0x11/0x20 [ 270.093575] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.098846] ? rcu_softirq_qs+0x20/0x20 [ 270.102835] ? filemap_map_pages+0xd92/0x1a20 [ 270.107337] ? print_usage_bug+0xc0/0xc0 [ 270.111402] ? find_get_entries_tag+0x1400/0x1400 [ 270.116239] ? __kasan_slab_free+0x102/0x150 [ 270.120639] ? kasan_slab_free+0xe/0x10 [ 270.124604] ? kmem_cache_free+0x83/0x290 [ 270.128745] ? __sigqueue_free.part.29+0x74/0x90 [ 270.133510] ? lock_acquire+0x1ed/0x520 [ 270.137477] ? ext4_filemap_fault+0x7a/0xad [ 270.141806] ? lock_release+0xa00/0xa00 [ 270.145774] ? perf_trace_sched_process_exec+0x860/0x860 [ 270.151236] ? print_usage_bug+0xc0/0xc0 [ 270.155293] ? print_usage_bug+0xc0/0xc0 [ 270.159367] ? down_read+0x8d/0x120 [ 270.162990] ? ext4_filemap_fault+0x7a/0xad [ 270.167309] ? __down_interruptible+0x700/0x700 [ 270.171989] ext4_filemap_fault+0x82/0xad [ 270.176220] __do_fault+0x100/0x6b0 [ 270.179845] ? pmd_devmap_trans_unstable+0x220/0x220 [ 270.184948] ? mark_held_locks+0x130/0x130 [ 270.189199] ? mark_held_locks+0x130/0x130 [ 270.193433] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 270.198968] ? rcu_pm_notify+0xc0/0xc0 [ 270.202854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.208390] __handle_mm_fault+0x3ea0/0x5be0 [ 270.212808] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 270.217643] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.222138] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 270.226715] ? trace_hardirqs_on+0xbd/0x310 [ 270.231035] ? kasan_check_read+0x11/0x20 [ 270.235176] ? __set_current_blocked+0xdf/0x120 [ 270.239842] ? trace_hardirqs_off_caller+0x310/0x310 [ 270.244954] ? zap_class+0x640/0x640 [ 270.248673] ? zap_class+0x640/0x640 [ 270.252389] ? find_held_lock+0x36/0x1c0 [ 270.256451] ? handle_mm_fault+0x42a/0xc70 [ 270.260684] ? lock_downgrade+0x900/0x900 [ 270.264829] ? check_preemption_disabled+0x48/0x280 [ 270.269852] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 270.274774] ? kasan_check_read+0x11/0x20 [ 270.278923] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.284196] ? rcu_softirq_qs+0x20/0x20 [ 270.288166] ? trace_hardirqs_off_caller+0x310/0x310 [ 270.293262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.298800] ? check_preemption_disabled+0x48/0x280 [ 270.303820] handle_mm_fault+0x54f/0xc70 [ 270.307882] ? __handle_mm_fault+0x5be0/0x5be0 [ 270.312461] ? find_vma+0x34/0x190 [ 270.316001] __do_page_fault+0x5e8/0xe60 [ 270.320060] ? exit_to_usermode_loop+0x1f4/0x380 [ 270.324821] do_page_fault+0xf2/0x7e0 [ 270.328637] ? vmalloc_sync_all+0x30/0x30 [ 270.332797] ? error_entry+0x70/0xd0 [ 270.336518] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.341527] ? trace_hardirqs_on_caller+0xc0/0x310 [ 270.346453] ? syscall_return_slowpath+0x5e0/0x5e0 [ 270.351377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.356213] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.361221] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.366668] ? prepare_exit_to_usermode+0x291/0x3b0 [ 270.371678] ? page_fault+0x8/0x30 [ 270.375302] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.380147] ? page_fault+0x8/0x30 [ 270.383679] page_fault+0x1e/0x30 [ 270.387137] RIP: 0033:0x45db60 [ 270.390341] Code: Bad RIP value. [ 270.393696] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 270.399050] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 270.406317] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 270.413578] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 270.420840] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 270.428107] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 270.435395] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 270.435457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.442141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.442146] Call Trace: [ 270.442163] dump_stack+0x244/0x39d [ 270.442182] ? dump_stack_print_info.cold.1+0x20/0x20 [ 270.448694] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.457998] warn_alloc.cold.116+0xb7/0x1bd [ 270.460566] syz-fuzzer cpuset=/ mems_allowed=0 [ 270.464192] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.493260] ? lock_downgrade+0x900/0x900 [ 270.497407] ? trace_hardirqs_off+0xb8/0x310 [ 270.501821] ? trace_hardirqs_off+0xb8/0x310 [ 270.506232] __alloc_pages_slowpath+0x26e8/0x2e10 [ 270.511097] ? warn_alloc+0x120/0x120 [ 270.514901] ? print_usage_bug+0xc0/0xc0 [ 270.518958] ? warn_alloc+0x120/0x120 [ 270.522774] ? warn_alloc+0x120/0x120 [ 270.526575] ? print_usage_bug+0xc0/0xc0 [ 270.530634] ? print_usage_bug+0xc0/0xc0 [ 270.534690] ? __lock_acquire+0x62f/0x4c20 [ 270.538925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.544454] ? should_fail+0x22d/0xd01 [ 270.548342] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.553441] ? __lock_acquire+0x62f/0x4c20 [ 270.557677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.562778] ? __lock_acquire+0x62f/0x4c20 [ 270.567013] ? should_fail+0x22d/0xd01 [ 270.570899] ? find_held_lock+0x36/0x1c0 [ 270.574962] ? mark_held_locks+0x130/0x130 [ 270.579200] ? mark_held_locks+0x130/0x130 [ 270.583427] ? zap_class+0x640/0x640 [ 270.587140] ? mark_held_locks+0xc7/0x130 [ 270.591281] ? do_raw_spin_unlock+0xa7/0x330 [ 270.595684] ? zap_class+0x640/0x640 [ 270.599393] ? print_usage_bug+0xc0/0xc0 [ 270.603453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.608988] ? check_preemption_disabled+0x48/0x280 [ 270.614005] ? __lock_is_held+0xb5/0x140 [ 270.618067] __alloc_pages_nodemask+0xa80/0xde0 [ 270.622732] ? zap_class+0x640/0x640 [ 270.626450] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 270.631479] ? find_held_lock+0x36/0x1c0 [ 270.635542] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.640206] ? lock_downgrade+0x900/0x900 [ 270.644359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.649899] cache_grow_begin+0xa5/0x8c0 [ 270.653955] ? do_raw_spin_unlock+0xa7/0x330 [ 270.658363] fallback_alloc+0x204/0x2e0 [ 270.662339] ____cache_alloc_node+0x1c7/0x1e0 [ 270.666837] kmem_cache_alloc_node+0xe3/0x730 [ 270.671330] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.675568] __alloc_skb+0x119/0x770 [ 270.679280] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.684558] ? netdev_alloc_frag+0x1f0/0x1f0 [ 270.688976] ? lock_downgrade+0x900/0x900 [ 270.693130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.698669] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.704117] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.709570] ? addrconf_rs_timer+0x690/0x690 [ 270.713992] ndisc_alloc_skb+0x144/0x340 [ 270.718054] ndisc_send_rs+0x331/0x6e0 [ 270.721944] addrconf_rs_timer+0x314/0x690 [ 270.726181] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.730422] call_timer_fn+0x272/0x920 [ 270.734304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.738537] ? process_timeout+0x40/0x40 [ 270.742598] ? __run_timers+0x7da/0xc70 [ 270.746567] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.751055] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.755541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.759771] ? lockdep_hardirqs_on+0x296/0x5b0 [ 270.764355] ? trace_hardirqs_on+0xbd/0x310 [ 270.768675] ? kasan_check_read+0x11/0x20 [ 270.772820] ? __run_timers+0x7da/0xc70 [ 270.776793] ? trace_hardirqs_off_caller+0x310/0x310 [ 270.781898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.786134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.790364] __run_timers+0x7e5/0xc70 [ 270.794167] ? timer_fixup_init+0x70/0x70 [ 270.798307] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.802799] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.807293] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 270.811875] ? trace_hardirqs_on+0xbd/0x310 [ 270.816189] ? kasan_check_read+0x11/0x20 [ 270.820339] ? finish_task_switch+0x1f4/0x910 [ 270.824839] ? trace_hardirqs_off_caller+0x310/0x310 [ 270.829936] ? compat_start_thread+0x80/0x80 [ 270.834360] ? pvclock_read_flags+0x160/0x160 [ 270.838852] ? __switch_to_asm+0x34/0x70 [ 270.842909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.848450] ? check_preemption_disabled+0x48/0x280 [ 270.853470] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 270.859012] ? rcu_pm_notify+0xc0/0xc0 [ 270.862899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.868430] ? check_preemption_disabled+0x48/0x280 [ 270.873445] run_timer_softirq+0x52/0xb0 [ 270.877503] ? rcu_read_lock_sched_held+0x14f/0x180 [ 270.882514] __do_softirq+0x308/0xb7e [ 270.886317] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 270.891413] ? smpboot_thread_fn+0x334/0xa00 [ 270.895824] ? schedule+0x108/0x460 [ 270.899448] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.904204] ? trace_hardirqs_off+0xb8/0x310 [ 270.908650] ? smpboot_thread_fn+0x68b/0xa00 [ 270.913056] ? trace_hardirqs_on+0x310/0x310 [ 270.917458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.923017] ? check_preemption_disabled+0x48/0x280 [ 270.928032] ? takeover_tasklets+0xa90/0xa90 [ 270.932440] run_ksoftirqd+0x5e/0x100 [ 270.936236] smpboot_thread_fn+0x68b/0xa00 [ 270.940468] ? sort_range+0x30/0x30 [ 270.944089] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 270.949185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.954717] ? __kthread_parkme+0xfb/0x1a0 [ 270.958959] ? sort_range+0x30/0x30 [ 270.962579] kthread+0x35a/0x440 [ 270.965945] ? kthread_stop+0x900/0x900 [ 270.969917] ret_from_fork+0x3a/0x50 [ 270.973636] warn_alloc_show_mem: 1 callbacks suppressed [ 270.973646] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 270.973648] Mem-Info: [ 270.973679] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 270.973679] active_file:12 inactive_file:11 isolated_file:0 [ 270.973679] unevictable:0 dirty:0 writeback:0 unstable:0 [ 270.973679] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 270.973679] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 270.973679] free:13782 free_pcp:358 free_cma:0 [ 270.979012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.985935] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 270.988329] Call Trace: [ 271.021180] 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 [ 271.030530] [ 271.057999] lowmem_reserve[]: 0 2818 6321 6321 [ 271.060584] dump_stack+0x244/0x39d [ 271.086663] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 271.088808] ? dump_stack_print_info.cold.1+0x20/0x20 [ 271.093359] lowmem_reserve[]: 0 0 3503 3503 [ 271.096988] warn_alloc.cold.116+0xb7/0x1bd [ 271.124723] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 271.129909] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.134193] lowmem_reserve[]: 0 0 0 0 [ 271.138512] ? lock_downgrade+0x900/0x900 [ 271.167463] 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 [ 271.172317] ? trace_hardirqs_off+0xb8/0x310 [ 271.176077] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 271.180230] ? trace_hardirqs_off+0xb8/0x310 [ 271.193726] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 271.198131] __alloc_pages_slowpath+0x26e8/0x2e10 [ 271.213285] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 271.217697] ? warn_alloc+0x120/0x120 [ 271.232566] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 271.237389] ? print_usage_bug+0xc0/0xc0 [ 271.246194] 266 total pagecache pages [ 271.249983] ? warn_alloc+0x120/0x120 [ 271.258548] 0 pages in swap cache [ 271.262597] ? warn_alloc+0x120/0x120 [ 271.266371] Swap cache stats: add 0, delete 0, find 0/0 [ 271.270160] ? print_usage_bug+0xc0/0xc0 [ 271.273584] Free swap = 0kB [ 271.277382] ? print_usage_bug+0xc0/0xc0 [ 271.282718] Total swap = 0kB [ 271.286769] ? __lock_acquire+0x62f/0x4c20 [ 271.289762] 1965979 pages RAM [ 271.293810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.296796] 0 pages HighMem/MovableOnly [ 271.301021] ? should_fail+0x22d/0xd01 [ 271.304099] 342854 pages reserved [ 271.309625] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.313618] 0 pages cma reserved [ 271.317493] ? __lock_acquire+0x62f/0x4c20 [ 271.320975] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.326006] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.326018] ? __lock_acquire+0x62f/0x4c20 [ 271.326033] ? should_fail+0x22d/0xd01 [ 271.329421] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.333595] ? find_held_lock+0x36/0x1c0 [ 271.340064] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 271.345158] ? mark_held_locks+0x130/0x130 [ 271.376473] ? mark_held_locks+0x130/0x130 [ 271.380705] ? zap_class+0x640/0x640 [ 271.384417] ? zap_class+0x640/0x640 [ 271.388128] ? print_usage_bug+0xc0/0xc0 [ 271.392180] ? do_raw_spin_unlock+0xa7/0x330 [ 271.396582] ? zap_class+0x640/0x640 [ 271.400293] ? print_usage_bug+0xc0/0xc0 [ 271.404348] ? wq_watchdog_touch+0x9c/0xfe [ 271.408583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.414121] ? check_preemption_disabled+0x48/0x280 [ 271.419138] ? __lock_is_held+0xb5/0x140 [ 271.423200] __alloc_pages_nodemask+0xa80/0xde0 [ 271.427868] ? zap_class+0x640/0x640 [ 271.431580] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 271.436601] ? find_held_lock+0x36/0x1c0 [ 271.440667] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.445339] ? lock_downgrade+0x900/0x900 [ 271.449492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.455028] cache_grow_begin+0xa5/0x8c0 [ 271.459082] ? do_raw_spin_unlock+0xa7/0x330 [ 271.463496] fallback_alloc+0x204/0x2e0 [ 271.467470] ____cache_alloc_node+0x1c7/0x1e0 [ 271.471964] kmem_cache_alloc_node+0xe3/0x730 [ 271.476454] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.480698] __alloc_skb+0x119/0x770 [ 271.484408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.489693] ? netdev_alloc_frag+0x1f0/0x1f0 [ 271.494635] ? lock_downgrade+0x900/0x900 [ 271.498783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.504319] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.509766] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.515217] ? addrconf_rs_timer+0x690/0x690 [ 271.519630] ndisc_alloc_skb+0x144/0x340 [ 271.523695] ndisc_send_rs+0x331/0x6e0 [ 271.527583] addrconf_rs_timer+0x314/0x690 [ 271.531818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.536061] call_timer_fn+0x272/0x920 [ 271.539943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.544171] ? process_timeout+0x40/0x40 [ 271.548237] ? mark_held_locks+0xc7/0x130 [ 271.552384] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.556871] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.561360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.565591] ? lockdep_hardirqs_on+0x296/0x5b0 [ 271.570172] ? trace_hardirqs_on+0xbd/0x310 [ 271.574487] ? kasan_check_read+0x11/0x20 [ 271.578627] ? __run_timers+0x7da/0xc70 [ 271.582600] ? trace_hardirqs_off_caller+0x310/0x310 [ 271.587703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.591938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.596168] __run_timers+0x7e5/0xc70 [ 271.599973] ? timer_fixup_init+0x70/0x70 [ 271.604120] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.609133] ? zap_class+0x640/0x640 [ 271.612846] ? print_usage_bug+0xc0/0xc0 [ 271.616926] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.622116] ? find_held_lock+0x36/0x1c0 [ 271.626177] ? zap_class+0x640/0x640 [ 271.629893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.635686] ? check_preemption_disabled+0x48/0x280 [ 271.640709] ? __lock_is_held+0xb5/0x140 [ 271.644773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.650305] ? check_preemption_disabled+0x48/0x280 [ 271.655323] run_timer_softirq+0x52/0xb0 [ 271.659377] ? rcu_read_lock_sched_held+0x14f/0x180 [ 271.664393] __do_softirq+0x308/0xb7e [ 271.668200] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 271.672690] ? lock_downgrade+0x900/0x900 [ 271.676841] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 271.681943] ? pvclock_read_flags+0x160/0x160 [ 271.686434] ? lapic_next_event+0x5a/0x90 [ 271.690579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.696117] ? kvm_clock_read+0x18/0x30 [ 271.700084] ? kvm_sched_clock_read+0x9/0x20 [ 271.704488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.710022] ? check_preemption_disabled+0x48/0x280 [ 271.715043] irq_exit+0x17f/0x1c0 [ 271.718490] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.723326] ? smp_reschedule_interrupt+0x109/0x650 [ 271.728341] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.734221] ? interrupt_entry+0xb5/0xc0 [ 271.738280] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.743293] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.748305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.753143] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.758152] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.763168] ? task_prio+0x50/0x50 [ 271.766710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.772328] ? check_preemption_disabled+0x48/0x280 [ 271.777346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.782192] apic_timer_interrupt+0xf/0x20 [ 271.786415] [ 271.788650] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 271.793675] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 271.813104] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 271.820816] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 271.828079] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 271.835343] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 271.842610] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 271.849878] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 271.857184] rcu_read_lock_held+0xa9/0xc0 [ 271.861329] css_next_child+0x2a2/0x620 [ 271.865305] ? cgroup_mount+0xd30/0xd30 [ 271.869281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.874819] ? check_preemption_disabled+0x48/0x280 [ 271.879846] ? __lock_is_held+0xb5/0x140 [ 271.884010] css_next_descendant_pre+0xeb/0x190 [ 271.888684] mem_cgroup_iter+0x42f/0x1160 [ 271.892828] ? kasan_check_write+0x14/0x20 [ 271.897151] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 271.901902] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.906917] ? shrink_slab+0xfa/0x8c0 [ 271.910714] ? shrink_active_list+0x1f00/0x1f00 [ 271.915383] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 271.921005] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.926106] ? cgroup_procs_write_finish+0xf0/0xf0 [ 271.931041] ? find_held_lock+0x36/0x1c0 [ 271.935097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.940630] ? vmpressure+0x1a2/0x340 [ 271.944439] shrink_node+0x516/0x16b0 [ 271.948232] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 271.953529] ? shrink_node_memcg+0x18f0/0x18f0 [ 271.958110] ? kvm_clock_read+0x18/0x30 [ 271.962085] ? ktime_get+0x2c1/0x400 [ 271.965801] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 271.970293] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.975822] ? __cpuset_node_allowed+0x19b/0x660 [ 271.980577] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 271.986284] ? delayacct_end+0x5a/0x100 [ 271.990280] do_try_to_free_pages+0x3e7/0x1290 [ 271.994859] ? zap_class+0x640/0x640 [ 271.998581] ? shrink_node+0x16b0/0x16b0 [ 272.002728] ? __lock_is_held+0xb5/0x140 [ 272.006798] try_to_free_pages+0x4d0/0xb90 [ 272.011034] ? do_try_to_free_pages+0x1290/0x1290 [ 272.015882] ? lock_acquire+0x1ed/0x520 [ 272.020022] ? set_page_refcounted+0x280/0x280 [ 272.024605] ? lock_release+0xa00/0xa00 [ 272.028581] ? _raw_spin_unlock_irq+0x60/0x80 [ 272.033072] ? psi_memstall_enter+0x240/0x2b0 [ 272.037562] ? psi_memstall_tick+0x230/0x230 [ 272.041981] __alloc_pages_slowpath+0xa14/0x2e10 [ 272.046760] ? warn_alloc+0x120/0x120 [ 272.050553] ? mark_held_locks+0x130/0x130 [ 272.054789] ? find_get_entry+0xaae/0x1120 [ 272.059024] ? filemap_map_pages+0x1a20/0x1a20 [ 272.063607] ? zap_class+0x640/0x640 [ 272.067326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.072881] ? check_preemption_disabled+0x48/0x280 [ 272.077897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.083426] ? should_fail+0x22d/0xd01 [ 272.087312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.092410] ? zap_class+0x640/0x640 [ 272.096144] ? __lock_is_held+0xb5/0x140 [ 272.100217] ? mark_held_locks+0x130/0x130 [ 272.104447] ? lock_release+0xa00/0xa00 [ 272.108416] ? perf_trace_sched_process_exec+0x860/0x860 [ 272.113865] ? xa_load+0x2ba/0x460 [ 272.117402] ? lock_downgrade+0x900/0x900 [ 272.121549] ? __might_sleep+0x95/0x190 [ 272.125523] __alloc_pages_nodemask+0xa80/0xde0 [ 272.130201] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 272.135214] ? __page_cache_alloc+0x191/0x5c0 [ 272.139701] ? xa_load+0x2e1/0x460 [ 272.143318] ? xa_clear_mark+0x40/0x40 [ 272.147201] ? zap_class+0x640/0x640 [ 272.150916] ? zap_class+0x640/0x640 [ 272.154630] ? zap_class+0x640/0x640 [ 272.158343] ? __do_page_cache_readahead+0x663/0x810 [ 272.163532] ? find_held_lock+0x36/0x1c0 [ 272.167594] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 272.173137] alloc_pages_current+0x173/0x350 [ 272.177557] __page_cache_alloc+0x38c/0x5c0 [ 272.181887] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 272.186897] ? kasan_check_read+0x11/0x20 [ 272.191037] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.196309] ? generic_perform_write+0x6a0/0x6a0 [ 272.201061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.206593] ? check_preemption_disabled+0x48/0x280 [ 272.211629] filemap_fault+0x1595/0x25f0 [ 272.215696] ? __lock_page_or_retry+0xa00/0xa00 [ 272.220360] ? mark_held_locks+0x130/0x130 [ 272.224597] ? filemap_map_pages+0xd6b/0x1a20 [ 272.229097] ? lock_downgrade+0x900/0x900 [ 272.233243] ? check_preemption_disabled+0x48/0x280 [ 272.238257] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 272.243184] ? kasan_check_read+0x11/0x20 [ 272.247325] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.252596] ? rcu_softirq_qs+0x20/0x20 [ 272.256584] ? filemap_map_pages+0xd92/0x1a20 [ 272.261092] ? print_usage_bug+0xc0/0xc0 [ 272.265167] ? find_get_entries_tag+0x1400/0x1400 [ 272.270002] ? __kasan_slab_free+0x102/0x150 [ 272.274416] ? kasan_slab_free+0xe/0x10 [ 272.278384] ? kmem_cache_free+0x83/0x290 [ 272.282528] ? __sigqueue_free.part.29+0x74/0x90 [ 272.287293] ? lock_acquire+0x1ed/0x520 [ 272.291265] ? ext4_filemap_fault+0x7a/0xad [ 272.295587] ? lock_release+0xa00/0xa00 [ 272.299558] ? perf_trace_sched_process_exec+0x860/0x860 [ 272.305006] ? print_usage_bug+0xc0/0xc0 [ 272.309068] ? print_usage_bug+0xc0/0xc0 [ 272.313136] ? down_read+0x8d/0x120 [ 272.316764] ? ext4_filemap_fault+0x7a/0xad [ 272.321082] ? __down_interruptible+0x700/0x700 [ 272.325756] ext4_filemap_fault+0x82/0xad [ 272.329899] __do_fault+0x100/0x6b0 [ 272.333532] ? pmd_devmap_trans_unstable+0x220/0x220 [ 272.338635] ? mark_held_locks+0x130/0x130 [ 272.342866] ? mark_held_locks+0x130/0x130 [ 272.347095] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 272.352636] ? rcu_pm_notify+0xc0/0xc0 [ 272.356522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.362060] __handle_mm_fault+0x3ea0/0x5be0 [ 272.366470] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 272.371304] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.375809] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 272.380386] ? trace_hardirqs_on+0xbd/0x310 [ 272.384700] ? kasan_check_read+0x11/0x20 [ 272.388840] ? __set_current_blocked+0xdf/0x120 [ 272.393506] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.398622] ? zap_class+0x640/0x640 [ 272.402331] ? zap_class+0x640/0x640 [ 272.406044] ? find_held_lock+0x36/0x1c0 [ 272.410106] ? handle_mm_fault+0x42a/0xc70 [ 272.414686] ? lock_downgrade+0x900/0x900 [ 272.418828] ? check_preemption_disabled+0x48/0x280 [ 272.423841] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 272.428762] ? kasan_check_read+0x11/0x20 [ 272.432903] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.438177] ? rcu_softirq_qs+0x20/0x20 [ 272.442149] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.447247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.452780] ? check_preemption_disabled+0x48/0x280 [ 272.457796] handle_mm_fault+0x54f/0xc70 [ 272.461854] ? __handle_mm_fault+0x5be0/0x5be0 [ 272.466444] ? find_vma+0x34/0x190 [ 272.469985] __do_page_fault+0x5e8/0xe60 [ 272.474043] ? exit_to_usermode_loop+0x1f4/0x380 [ 272.478802] do_page_fault+0xf2/0x7e0 [ 272.482607] ? vmalloc_sync_all+0x30/0x30 [ 272.486754] ? error_entry+0x70/0xd0 [ 272.490462] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.495473] ? trace_hardirqs_on_caller+0xc0/0x310 [ 272.500393] ? syscall_return_slowpath+0x5e0/0x5e0 [ 272.505315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.510156] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.515167] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.520621] ? prepare_exit_to_usermode+0x291/0x3b0 [ 272.525629] ? page_fault+0x8/0x30 [ 272.529165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.534007] ? page_fault+0x8/0x30 [ 272.537543] page_fault+0x1e/0x30 [ 272.540990] RIP: 0033:0x45db60 [ 272.544193] Code: Bad RIP value. [ 272.547547] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 272.552901] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 272.560166] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 272.567430] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 272.574692] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 272.581956] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 272.589244] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 272.589306] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.595991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.595996] Call Trace: [ 272.596013] dump_stack+0x244/0x39d [ 272.596033] ? dump_stack_print_info.cold.1+0x20/0x20 [ 272.602568] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.611850] warn_alloc.cold.116+0xb7/0x1bd [ 272.614396] syz-fuzzer cpuset=/ mems_allowed=0 [ 272.618011] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.647491] ? lock_downgrade+0x900/0x900 [ 272.651650] ? trace_hardirqs_off+0xb8/0x310 [ 272.656056] ? trace_hardirqs_off+0xb8/0x310 [ 272.660466] __alloc_pages_slowpath+0x26e8/0x2e10 [ 272.665326] ? warn_alloc+0x120/0x120 [ 272.669130] ? print_usage_bug+0xc0/0xc0 [ 272.673184] ? warn_alloc+0x120/0x120 [ 272.676984] ? warn_alloc+0x120/0x120 [ 272.680782] ? print_usage_bug+0xc0/0xc0 [ 272.684840] ? print_usage_bug+0xc0/0xc0 [ 272.688894] ? __lock_acquire+0x62f/0x4c20 [ 272.693130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.698660] ? should_fail+0x22d/0xd01 [ 272.702546] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.707651] ? __lock_acquire+0x62f/0x4c20 [ 272.711888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.716995] ? __lock_acquire+0x62f/0x4c20 [ 272.721224] ? should_fail+0x22d/0xd01 [ 272.725104] ? find_held_lock+0x36/0x1c0 [ 272.729170] ? mark_held_locks+0x130/0x130 [ 272.733402] ? mark_held_locks+0x130/0x130 [ 272.737637] ? zap_class+0x640/0x640 [ 272.741347] ? zap_class+0x640/0x640 [ 272.745057] ? print_usage_bug+0xc0/0xc0 [ 272.749114] ? do_raw_spin_unlock+0xa7/0x330 [ 272.753521] ? zap_class+0x640/0x640 [ 272.757228] ? print_usage_bug+0xc0/0xc0 [ 272.761285] ? wq_watchdog_touch+0x9c/0xfe [ 272.765516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.771048] ? check_preemption_disabled+0x48/0x280 [ 272.776067] ? __lock_is_held+0xb5/0x140 [ 272.780124] __alloc_pages_nodemask+0xa80/0xde0 [ 272.784785] ? zap_class+0x640/0x640 [ 272.788495] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 272.793514] ? find_held_lock+0x36/0x1c0 [ 272.797584] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.802253] ? lock_downgrade+0x900/0x900 [ 272.806400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.811933] cache_grow_begin+0xa5/0x8c0 [ 272.815994] ? do_raw_spin_unlock+0xa7/0x330 [ 272.820402] fallback_alloc+0x204/0x2e0 [ 272.824377] ____cache_alloc_node+0x1c7/0x1e0 [ 272.828873] kmem_cache_alloc_node+0xe3/0x730 [ 272.833365] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.837614] __alloc_skb+0x119/0x770 [ 272.841324] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.846607] ? netdev_alloc_frag+0x1f0/0x1f0 [ 272.851010] ? lock_downgrade+0x900/0x900 [ 272.855160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.860690] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.866139] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.871593] ? addrconf_rs_timer+0x690/0x690 [ 272.876016] ndisc_alloc_skb+0x144/0x340 [ 272.880075] ndisc_send_rs+0x331/0x6e0 [ 272.883960] addrconf_rs_timer+0x314/0x690 [ 272.888192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.892429] call_timer_fn+0x272/0x920 [ 272.896309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.900537] ? process_timeout+0x40/0x40 [ 272.904609] ? __run_timers+0x7da/0xc70 [ 272.908587] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.913079] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.917573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.921807] ? lockdep_hardirqs_on+0x296/0x5b0 [ 272.926386] ? trace_hardirqs_on+0xbd/0x310 [ 272.930706] ? kasan_check_read+0x11/0x20 [ 272.934845] ? __run_timers+0x7da/0xc70 [ 272.938814] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.943917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.948154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.952379] __run_timers+0x7e5/0xc70 [ 272.956183] ? timer_fixup_init+0x70/0x70 [ 272.960323] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.964811] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.969302] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 272.973883] ? trace_hardirqs_on+0xbd/0x310 [ 272.978196] ? kasan_check_read+0x11/0x20 [ 272.982338] ? finish_task_switch+0x1f4/0x910 [ 272.986829] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.991925] ? compat_start_thread+0x80/0x80 [ 272.996350] ? pvclock_read_flags+0x160/0x160 [ 273.000837] ? __switch_to_asm+0x34/0x70 [ 273.004892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.010424] ? check_preemption_disabled+0x48/0x280 [ 273.015442] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 273.020977] ? rcu_pm_notify+0xc0/0xc0 [ 273.024864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.030393] ? check_preemption_disabled+0x48/0x280 [ 273.035418] run_timer_softirq+0x52/0xb0 [ 273.039472] ? rcu_read_lock_sched_held+0x14f/0x180 [ 273.044481] __do_softirq+0x308/0xb7e [ 273.048285] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 273.053388] ? smpboot_thread_fn+0x334/0xa00 [ 273.057794] ? schedule+0x108/0x460 [ 273.061415] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.066182] ? trace_hardirqs_off+0xb8/0x310 [ 273.070589] ? smpboot_thread_fn+0x68b/0xa00 [ 273.074998] ? trace_hardirqs_on+0x310/0x310 [ 273.079400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.084933] ? check_preemption_disabled+0x48/0x280 [ 273.089945] ? takeover_tasklets+0xa90/0xa90 [ 273.094350] run_ksoftirqd+0x5e/0x100 [ 273.098149] smpboot_thread_fn+0x68b/0xa00 [ 273.102381] ? sort_range+0x30/0x30 [ 273.106001] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 273.111101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.116641] ? __kthread_parkme+0xfb/0x1a0 [ 273.120872] ? sort_range+0x30/0x30 [ 273.124494] kthread+0x35a/0x440 [ 273.127856] ? kthread_stop+0x900/0x900 [ 273.131826] ret_from_fork+0x3a/0x50 [ 273.135559] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 273.135564] warn_alloc_show_mem: 1 callbacks suppressed [ 273.135570] Mem-Info: [ 273.142483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.147944] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 273.147944] active_file:12 inactive_file:11 isolated_file:0 [ 273.147944] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.147944] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 273.147944] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 273.147944] free:13782 free_pcp:358 free_cma:0 [ 273.150307] Call Trace: [ 273.150315] [ 273.159688] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 273.192543] dump_stack+0x244/0x39d [ 273.195099] 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 [ 273.197241] ? dump_stack_print_info.cold.1+0x20/0x20 [ 273.224702] lowmem_reserve[]: 0 2818 6321 6321 [ 273.228332] warn_alloc.cold.116+0xb7/0x1bd [ 273.254403] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 273.259582] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.264134] lowmem_reserve[]: 0 0 3503 3503 [ 273.268448] ? lock_downgrade+0x900/0x900 [ 273.296097] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 273.300933] ? trace_hardirqs_off+0xb8/0x310 [ 273.305219] lowmem_reserve[]: 0 0 0 0 [ 273.309359] ? trace_hardirqs_off+0xb8/0x310 [ 273.338308] 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 [ 273.342713] __alloc_pages_slowpath+0x26e8/0x2e10 [ 273.346479] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 273.350902] ? warn_alloc+0x120/0x120 [ 273.364385] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 273.369216] ? print_usage_bug+0xc0/0xc0 [ 273.384361] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 273.388143] ? warn_alloc+0x120/0x120 [ 273.403032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 273.407077] ? warn_alloc+0x120/0x120 [ 273.415887] 266 total pagecache pages [ 273.419675] ? print_usage_bug+0xc0/0xc0 [ 273.428227] 0 pages in swap cache [ 273.432009] ? kvm_clock_read+0x18/0x30 [ 273.435784] Swap cache stats: add 0, delete 0, find 0/0 [ 273.439827] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 273.443251] Free swap = 0kB [ 273.447213] ? print_usage_bug+0xc0/0xc0 [ 273.452567] Total swap = 0kB [ 273.457572] ? __lock_acquire+0x62f/0x4c20 [ 273.460567] 1965979 pages RAM [ 273.464615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.467605] 0 pages HighMem/MovableOnly [ 273.471824] ? should_fail+0x22d/0xd01 [ 273.474896] 342854 pages reserved [ 273.474903] 0 pages cma reserved [ 273.480423] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 273.484442] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.488243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.491719] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.495018] ? __lock_acquire+0x62f/0x4c20 [ 273.500286] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 273.506790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.536116] ? __lock_acquire+0x62f/0x4c20 [ 273.540346] ? should_fail+0x22d/0xd01 [ 273.544227] ? rcu_irq_exit+0x1a2/0x390 [ 273.548209] ? mark_held_locks+0x130/0x130 [ 273.552442] ? mark_held_locks+0x130/0x130 [ 273.556680] ? mark_held_locks+0xc7/0x130 [ 273.560823] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 273.565833] ? zap_class+0x640/0x640 [ 273.569539] ? print_usage_bug+0xc0/0xc0 [ 273.573596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.579128] ? check_preemption_disabled+0x48/0x280 [ 273.584146] ? __lock_is_held+0xb5/0x140 [ 273.588211] __alloc_pages_nodemask+0xa80/0xde0 [ 273.592877] ? zap_class+0x640/0x640 [ 273.596591] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 273.601619] ? find_held_lock+0x36/0x1c0 [ 273.605685] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.610351] ? lock_downgrade+0x900/0x900 [ 273.614509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.620132] cache_grow_begin+0xa5/0x8c0 [ 273.624187] ? do_raw_spin_unlock+0xa7/0x330 [ 273.628602] fallback_alloc+0x204/0x2e0 [ 273.632576] ____cache_alloc_node+0x1c7/0x1e0 [ 273.637544] kmem_cache_alloc_node+0xe3/0x730 [ 273.642043] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.646284] __alloc_skb+0x119/0x770 [ 273.649993] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 273.655267] ? netdev_alloc_frag+0x1f0/0x1f0 [ 273.659677] ? lock_downgrade+0x900/0x900 [ 273.663829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.669361] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.674813] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.680258] ? addrconf_rs_timer+0x690/0x690 [ 273.684676] ndisc_alloc_skb+0x144/0x340 [ 273.688737] ndisc_send_rs+0x331/0x6e0 [ 273.692623] addrconf_rs_timer+0x314/0x690 [ 273.696861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.701104] call_timer_fn+0x272/0x920 [ 273.704987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.709215] ? process_timeout+0x40/0x40 [ 273.713281] ? mark_held_locks+0xc7/0x130 [ 273.717423] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.721910] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.726399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.730634] ? lockdep_hardirqs_on+0x296/0x5b0 [ 273.735215] ? trace_hardirqs_on+0xbd/0x310 [ 273.739533] ? kasan_check_read+0x11/0x20 [ 273.743673] ? __run_timers+0x7da/0xc70 [ 273.747648] ? trace_hardirqs_off_caller+0x310/0x310 [ 273.752748] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.756979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.761205] __run_timers+0x7e5/0xc70 [ 273.765009] ? timer_fixup_init+0x70/0x70 [ 273.769155] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.774170] ? zap_class+0x640/0x640 [ 273.777972] ? print_usage_bug+0xc0/0xc0 [ 273.782037] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.787228] ? find_held_lock+0x36/0x1c0 [ 273.791286] ? zap_class+0x640/0x640 [ 273.794998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.800531] ? check_preemption_disabled+0x48/0x280 [ 273.806090] ? __lock_is_held+0xb5/0x140 [ 273.810150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.815683] ? check_preemption_disabled+0x48/0x280 [ 273.820698] run_timer_softirq+0x52/0xb0 [ 273.824753] ? rcu_read_lock_sched_held+0x14f/0x180 [ 273.829767] __do_softirq+0x308/0xb7e [ 273.833564] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 273.838052] ? lock_downgrade+0x900/0x900 [ 273.842197] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 273.847306] ? pvclock_read_flags+0x160/0x160 [ 273.851800] ? lapic_next_event+0x5a/0x90 [ 273.855946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.861491] ? kvm_clock_read+0x18/0x30 [ 273.865460] ? kvm_sched_clock_read+0x9/0x20 [ 273.869870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.875402] ? check_preemption_disabled+0x48/0x280 [ 273.880420] irq_exit+0x17f/0x1c0 [ 273.883872] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.888707] ? smp_reschedule_interrupt+0x109/0x650 [ 273.893716] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.899593] ? interrupt_entry+0xb5/0xc0 [ 273.903654] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.908665] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.913674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.918514] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.923527] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.928534] ? task_prio+0x50/0x50 [ 273.932068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.937600] ? check_preemption_disabled+0x48/0x280 [ 273.942617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.947460] apic_timer_interrupt+0xf/0x20 [ 273.951694] [ 273.953927] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 273.958938] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 273.977833] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 273.985535] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 273.992806] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 274.000068] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 274.007329] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 274.014589] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 274.021880] rcu_read_lock_held+0xa9/0xc0 [ 274.026029] css_next_child+0x2a2/0x620 [ 274.030093] ? cgroup_mount+0xd30/0xd30 [ 274.034067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.039602] ? check_preemption_disabled+0x48/0x280 [ 274.044621] ? __lock_is_held+0xb5/0x140 [ 274.048690] css_next_descendant_pre+0xeb/0x190 [ 274.053357] mem_cgroup_iter+0x42f/0x1160 [ 274.057501] ? kasan_check_write+0x14/0x20 [ 274.061735] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 274.066485] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.072281] ? shrink_slab+0xfa/0x8c0 [ 274.076079] ? shrink_active_list+0x1f00/0x1f00 [ 274.080755] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 274.086374] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.091487] ? cgroup_procs_write_finish+0xf0/0xf0 [ 274.096422] ? find_held_lock+0x36/0x1c0 [ 274.100483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.106017] ? vmpressure+0x1a2/0x340 [ 274.109814] shrink_node+0x516/0x16b0 [ 274.113607] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 274.118900] ? shrink_node_memcg+0x18f0/0x18f0 [ 274.123490] ? kvm_clock_read+0x18/0x30 [ 274.127468] ? ktime_get+0x2c1/0x400 [ 274.131184] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 274.135678] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 274.141210] ? __cpuset_node_allowed+0x19b/0x660 [ 274.145965] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 274.151675] ? delayacct_end+0x5a/0x100 [ 274.155653] do_try_to_free_pages+0x3e7/0x1290 [ 274.160231] ? zap_class+0x640/0x640 [ 274.163957] ? shrink_node+0x16b0/0x16b0 [ 274.168014] ? __lock_is_held+0xb5/0x140 [ 274.172079] try_to_free_pages+0x4d0/0xb90 [ 274.176315] ? do_try_to_free_pages+0x1290/0x1290 [ 274.181595] ? lock_acquire+0x1ed/0x520 [ 274.185566] ? set_page_refcounted+0x280/0x280 [ 274.190151] ? lock_release+0xa00/0xa00 [ 274.194118] ? _raw_spin_unlock_irq+0x60/0x80 [ 274.198607] ? psi_memstall_enter+0x240/0x2b0 [ 274.203099] ? psi_memstall_tick+0x230/0x230 [ 274.207513] __alloc_pages_slowpath+0xa14/0x2e10 [ 274.212288] ? warn_alloc+0x120/0x120 [ 274.216080] ? mark_held_locks+0x130/0x130 [ 274.220314] ? find_get_entry+0xaae/0x1120 [ 274.224553] ? filemap_map_pages+0x1a20/0x1a20 [ 274.229134] ? zap_class+0x640/0x640 [ 274.232849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.238383] ? check_preemption_disabled+0x48/0x280 [ 274.243393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.248927] ? should_fail+0x22d/0xd01 [ 274.252816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.257914] ? zap_class+0x640/0x640 [ 274.261645] ? __lock_is_held+0xb5/0x140 [ 274.265713] ? mark_held_locks+0x130/0x130 [ 274.269946] ? lock_release+0xa00/0xa00 [ 274.273918] ? perf_trace_sched_process_exec+0x860/0x860 [ 274.279362] ? xa_load+0x2ba/0x460 [ 274.282901] ? lock_downgrade+0x900/0x900 [ 274.287048] ? __might_sleep+0x95/0x190 [ 274.291021] __alloc_pages_nodemask+0xa80/0xde0 [ 274.295693] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 274.300702] ? __page_cache_alloc+0x191/0x5c0 [ 274.305188] ? xa_load+0x2e1/0x460 [ 274.308726] ? xa_clear_mark+0x40/0x40 [ 274.312612] ? zap_class+0x640/0x640 [ 274.316326] ? zap_class+0x640/0x640 [ 274.320032] ? zap_class+0x640/0x640 [ 274.323742] ? __do_page_cache_readahead+0x663/0x810 [ 274.328843] ? find_held_lock+0x36/0x1c0 [ 274.332906] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 274.338449] alloc_pages_current+0x173/0x350 [ 274.342860] __page_cache_alloc+0x38c/0x5c0 [ 274.347173] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.352099] ? kasan_check_read+0x11/0x20 [ 274.356243] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.361517] ? generic_perform_write+0x6a0/0x6a0 [ 274.366266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.371800] ? check_preemption_disabled+0x48/0x280 [ 274.376818] filemap_fault+0x1595/0x25f0 [ 274.380884] ? __lock_page_or_retry+0xa00/0xa00 [ 274.385554] ? mark_held_locks+0x130/0x130 [ 274.389792] ? filemap_map_pages+0xd6b/0x1a20 [ 274.394283] ? lock_downgrade+0x900/0x900 [ 274.398437] ? check_preemption_disabled+0x48/0x280 [ 274.403460] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.408385] ? kasan_check_read+0x11/0x20 [ 274.412529] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.417799] ? rcu_softirq_qs+0x20/0x20 [ 274.421781] ? filemap_map_pages+0xd92/0x1a20 [ 274.426280] ? print_usage_bug+0xc0/0xc0 [ 274.430344] ? find_get_entries_tag+0x1400/0x1400 [ 274.435196] ? __kasan_slab_free+0x102/0x150 [ 274.439602] ? kasan_slab_free+0xe/0x10 [ 274.443571] ? kmem_cache_free+0x83/0x290 [ 274.447714] ? __sigqueue_free.part.29+0x74/0x90 [ 274.452479] ? lock_acquire+0x1ed/0x520 [ 274.456453] ? ext4_filemap_fault+0x7a/0xad [ 274.460775] ? lock_release+0xa00/0xa00 [ 274.464743] ? perf_trace_sched_process_exec+0x860/0x860 [ 274.470188] ? print_usage_bug+0xc0/0xc0 [ 274.474248] ? print_usage_bug+0xc0/0xc0 [ 274.478312] ? down_read+0x8d/0x120 [ 274.481940] ? ext4_filemap_fault+0x7a/0xad [ 274.486260] ? __down_interruptible+0x700/0x700 [ 274.490931] ext4_filemap_fault+0x82/0xad [ 274.495082] __do_fault+0x100/0x6b0 [ 274.498711] ? pmd_devmap_trans_unstable+0x220/0x220 [ 274.503810] ? mark_held_locks+0x130/0x130 [ 274.508038] ? mark_held_locks+0x130/0x130 [ 274.512270] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 274.517813] ? rcu_pm_notify+0xc0/0xc0 [ 274.521700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.527240] __handle_mm_fault+0x3ea0/0x5be0 [ 274.531656] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 274.536493] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.540989] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 274.545571] ? trace_hardirqs_on+0xbd/0x310 [ 274.549889] ? kasan_check_read+0x11/0x20 [ 274.554031] ? __set_current_blocked+0xdf/0x120 [ 274.558693] ? trace_hardirqs_off_caller+0x310/0x310 [ 274.563813] ? zap_class+0x640/0x640 [ 274.567522] ? zap_class+0x640/0x640 [ 274.571238] ? find_held_lock+0x36/0x1c0 [ 274.575305] ? handle_mm_fault+0x42a/0xc70 [ 274.579535] ? lock_downgrade+0x900/0x900 [ 274.583680] ? check_preemption_disabled+0x48/0x280 [ 274.588696] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.593617] ? kasan_check_read+0x11/0x20 [ 274.597757] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.603027] ? rcu_softirq_qs+0x20/0x20 [ 274.606998] ? trace_hardirqs_off_caller+0x310/0x310 [ 274.612096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.617632] ? check_preemption_disabled+0x48/0x280 [ 274.622647] handle_mm_fault+0x54f/0xc70 [ 274.626708] ? __handle_mm_fault+0x5be0/0x5be0 [ 274.631290] ? find_vma+0x34/0x190 [ 274.634827] __do_page_fault+0x5e8/0xe60 [ 274.638885] ? exit_to_usermode_loop+0x1f4/0x380 [ 274.643641] do_page_fault+0xf2/0x7e0 [ 274.647440] ? vmalloc_sync_all+0x30/0x30 [ 274.651581] ? error_entry+0x70/0xd0 [ 274.655292] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.660300] ? trace_hardirqs_on_caller+0xc0/0x310 [ 274.665223] ? syscall_return_slowpath+0x5e0/0x5e0 [ 274.670157] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.674995] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.680007] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.685461] ? prepare_exit_to_usermode+0x291/0x3b0 [ 274.690470] ? page_fault+0x8/0x30 [ 274.694012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.698853] ? page_fault+0x8/0x30 [ 274.702390] page_fault+0x1e/0x30 [ 274.705845] RIP: 0033:0x45db60 [ 274.709043] Code: Bad RIP value. [ 274.712400] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 274.717764] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 274.725026] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 274.732306] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 274.739656] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 274.746917] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 274.754205] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 274.754265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.760952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.760959] Call Trace: [ 274.767513] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.776780] dump_stack+0x244/0x39d [ 274.779339] syz-fuzzer cpuset=/ mems_allowed=0 [ 274.789550] ? dump_stack_print_info.cold.1+0x20/0x20 [ 274.803010] warn_alloc.cold.116+0xb7/0x1bd [ 274.807326] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.812164] ? lock_downgrade+0x900/0x900 [ 274.816317] ? trace_hardirqs_off+0xb8/0x310 [ 274.820742] ? trace_hardirqs_off+0xb8/0x310 [ 274.825156] __alloc_pages_slowpath+0x26e8/0x2e10 [ 274.830018] ? warn_alloc+0x120/0x120 [ 274.833817] ? print_usage_bug+0xc0/0xc0 [ 274.837876] ? warn_alloc+0x120/0x120 [ 274.841674] ? warn_alloc+0x120/0x120 [ 274.845471] ? print_usage_bug+0xc0/0xc0 [ 274.849531] ? print_usage_bug+0xc0/0xc0 [ 274.853587] ? __lock_acquire+0x62f/0x4c20 [ 274.857826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.863357] ? should_fail+0x22d/0xd01 [ 274.867241] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.872341] ? __lock_acquire+0x62f/0x4c20 [ 274.876585] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.881684] ? __lock_acquire+0x62f/0x4c20 [ 274.885914] ? should_fail+0x22d/0xd01 [ 274.889795] ? find_held_lock+0x36/0x1c0 [ 274.893859] ? mark_held_locks+0x130/0x130 [ 274.898096] ? mark_held_locks+0x130/0x130 [ 274.902322] ? zap_class+0x640/0x640 [ 274.906029] ? zap_class+0x640/0x640 [ 274.909742] ? print_usage_bug+0xc0/0xc0 [ 274.913796] ? do_raw_spin_unlock+0xa7/0x330 [ 274.918199] ? zap_class+0x640/0x640 [ 274.921906] ? print_usage_bug+0xc0/0xc0 [ 274.925959] ? wq_watchdog_touch+0x9c/0xfe [ 274.930195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.935728] ? check_preemption_disabled+0x48/0x280 [ 274.940752] ? __lock_is_held+0xb5/0x140 [ 274.944812] __alloc_pages_nodemask+0xa80/0xde0 [ 274.949475] ? zap_class+0x640/0x640 [ 274.953186] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 274.958209] ? find_held_lock+0x36/0x1c0 [ 274.962276] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.966942] ? lock_downgrade+0x900/0x900 [ 274.971094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.976634] cache_grow_begin+0xa5/0x8c0 [ 274.980687] ? do_raw_spin_unlock+0xa7/0x330 [ 274.985097] fallback_alloc+0x204/0x2e0 [ 274.989075] ____cache_alloc_node+0x1c7/0x1e0 [ 274.993570] kmem_cache_alloc_node+0xe3/0x730 [ 274.998064] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.002302] __alloc_skb+0x119/0x770 [ 275.006008] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.011290] ? netdev_alloc_frag+0x1f0/0x1f0 [ 275.015691] ? lock_downgrade+0x900/0x900 [ 275.019839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.025381] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.030838] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.036287] ? addrconf_rs_timer+0x690/0x690 [ 275.040699] ndisc_alloc_skb+0x144/0x340 [ 275.044763] ndisc_send_rs+0x331/0x6e0 [ 275.048651] addrconf_rs_timer+0x314/0x690 [ 275.052886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.057124] call_timer_fn+0x272/0x920 [ 275.061007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.065233] ? process_timeout+0x40/0x40 [ 275.069295] ? __run_timers+0x7da/0xc70 [ 275.073266] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.077754] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.082245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.086474] ? lockdep_hardirqs_on+0x296/0x5b0 [ 275.091053] ? trace_hardirqs_on+0xbd/0x310 [ 275.095376] ? kasan_check_read+0x11/0x20 [ 275.099606] ? __run_timers+0x7da/0xc70 [ 275.103579] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.108682] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.112913] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.117141] __run_timers+0x7e5/0xc70 [ 275.120943] ? timer_fixup_init+0x70/0x70 [ 275.125088] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.129580] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.134072] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 275.138650] ? trace_hardirqs_on+0xbd/0x310 [ 275.142963] ? kasan_check_read+0x11/0x20 [ 275.147104] ? finish_task_switch+0x1f4/0x910 [ 275.151598] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.156693] ? compat_start_thread+0x80/0x80 [ 275.161114] ? pvclock_read_flags+0x160/0x160 [ 275.165604] ? __switch_to_asm+0x34/0x70 [ 275.169662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.175192] ? check_preemption_disabled+0x48/0x280 [ 275.180213] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 275.185748] ? rcu_pm_notify+0xc0/0xc0 [ 275.189635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.195166] ? check_preemption_disabled+0x48/0x280 [ 275.200181] run_timer_softirq+0x52/0xb0 [ 275.204234] ? rcu_read_lock_sched_held+0x14f/0x180 [ 275.209246] __do_softirq+0x308/0xb7e [ 275.213052] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 275.218159] ? smpboot_thread_fn+0x334/0xa00 [ 275.222575] ? schedule+0x108/0x460 [ 275.226195] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.230959] ? trace_hardirqs_off+0xb8/0x310 [ 275.235378] ? smpboot_thread_fn+0x68b/0xa00 [ 275.239784] ? trace_hardirqs_on+0x310/0x310 [ 275.244188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.249720] ? check_preemption_disabled+0x48/0x280 [ 275.254732] ? takeover_tasklets+0xa90/0xa90 [ 275.259140] run_ksoftirqd+0x5e/0x100 [ 275.262933] smpboot_thread_fn+0x68b/0xa00 [ 275.267250] ? sort_range+0x30/0x30 [ 275.270873] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 275.275975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.281509] ? __kthread_parkme+0xfb/0x1a0 [ 275.285745] ? sort_range+0x30/0x30 [ 275.289373] kthread+0x35a/0x440 [ 275.292740] ? kthread_stop+0x900/0x900 [ 275.296711] ret_from_fork+0x3a/0x50 [ 275.300438] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 275.300443] warn_alloc_show_mem: 1 callbacks suppressed [ 275.300449] Mem-Info: [ 275.307368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.312732] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 275.312732] active_file:12 inactive_file:11 isolated_file:0 [ 275.312732] unevictable:0 dirty:0 writeback:0 unstable:0 [ 275.312732] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 275.312732] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 275.312732] free:13782 free_pcp:358 free_cma:0 [ 275.315102] Call Trace: [ 275.324473] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 275.357310] [ 275.359873] 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 [ 275.387378] dump_stack+0x244/0x39d [ 275.389505] lowmem_reserve[]: 0 2818 6321 6321 [ 275.415615] ? dump_stack_print_info.cold.1+0x20/0x20 [ 275.419220] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 275.423800] warn_alloc.cold.116+0xb7/0x1bd [ 275.428950] lowmem_reserve[]: 0 0 3503 3503 [ 275.456788] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.461079] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 275.465395] ? lock_downgrade+0x900/0x900 [ 275.470207] lowmem_reserve[]: 0 0 0 0 [ 275.499174] ? trace_hardirqs_off+0xb8/0x310 [ 275.503292] 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 [ 275.507085] ? trace_hardirqs_off+0xb8/0x310 [ 275.511461] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 275.524979] __alloc_pages_slowpath+0x26e8/0x2e10 [ 275.529360] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 275.544543] ? warn_alloc+0x120/0x120 [ 275.549348] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 275.564238] ? print_usage_bug+0xc0/0xc0 [ 275.568018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 275.576832] ? warn_alloc+0x120/0x120 [ 275.580863] 266 total pagecache pages [ 275.589426] ? warn_alloc+0x120/0x120 [ 275.593203] 0 pages in swap cache [ 275.596987] ? print_usage_bug+0xc0/0xc0 [ 275.600761] Swap cache stats: add 0, delete 0, find 0/0 [ 275.604198] ? kvm_clock_read+0x18/0x30 [ 275.608228] Free swap = 0kB [ 275.613574] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 275.617515] Total swap = 0kB [ 275.620523] ? print_usage_bug+0xc0/0xc0 [ 275.625509] 1965979 pages RAM [ 275.628513] ? __lock_acquire+0x62f/0x4c20 [ 275.632546] 0 pages HighMem/MovableOnly [ 275.635947] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.640164] 342854 pages reserved [ 275.644124] ? should_fail+0x22d/0xd01 [ 275.649631] 0 pages cma reserved [ 275.653071] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.656987] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.660283] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.665602] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.672272] ? __lock_acquire+0x62f/0x4c20 [ 275.677347] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 275.687651] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.701597] ? __lock_acquire+0x62f/0x4c20 [ 275.705823] ? should_fail+0x22d/0xd01 [ 275.709713] ? rcu_irq_exit+0x1a2/0x390 [ 275.713689] ? mark_held_locks+0x130/0x130 [ 275.717920] ? mark_held_locks+0x130/0x130 [ 275.722152] ? mark_held_locks+0xc7/0x130 [ 275.726298] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 275.731323] ? zap_class+0x640/0x640 [ 275.735031] ? print_usage_bug+0xc0/0xc0 [ 275.739090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.744624] ? check_preemption_disabled+0x48/0x280 [ 275.749641] ? __lock_is_held+0xb5/0x140 [ 275.753706] __alloc_pages_nodemask+0xa80/0xde0 [ 275.758369] ? zap_class+0x640/0x640 [ 275.762081] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 275.767102] ? find_held_lock+0x36/0x1c0 [ 275.771184] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.775853] ? lock_downgrade+0x900/0x900 [ 275.780006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.785541] cache_grow_begin+0xa5/0x8c0 [ 275.789595] ? do_raw_spin_unlock+0xa7/0x330 [ 275.794003] fallback_alloc+0x204/0x2e0 [ 275.797976] ____cache_alloc_node+0x1c7/0x1e0 [ 275.802963] kmem_cache_alloc_node+0xe3/0x730 [ 275.807454] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.811696] __alloc_skb+0x119/0x770 [ 275.815403] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.820764] ? netdev_alloc_frag+0x1f0/0x1f0 [ 275.825171] ? lock_downgrade+0x900/0x900 [ 275.829337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.834872] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.840328] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.845773] ? addrconf_rs_timer+0x690/0x690 [ 275.850187] ndisc_alloc_skb+0x144/0x340 [ 275.854245] ndisc_send_rs+0x331/0x6e0 [ 275.858130] addrconf_rs_timer+0x314/0x690 [ 275.862362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.866603] call_timer_fn+0x272/0x920 [ 275.870491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.874720] ? process_timeout+0x40/0x40 [ 275.878784] ? mark_held_locks+0xc7/0x130 [ 275.882942] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.887446] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.891936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.896169] ? lockdep_hardirqs_on+0x296/0x5b0 [ 275.900745] ? trace_hardirqs_on+0xbd/0x310 [ 275.905063] ? kasan_check_read+0x11/0x20 [ 275.909205] ? __run_timers+0x7da/0xc70 [ 275.913178] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.918280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.922521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.926747] __run_timers+0x7e5/0xc70 [ 275.930550] ? timer_fixup_init+0x70/0x70 [ 275.934693] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.939707] ? zap_class+0x640/0x640 [ 275.943418] ? print_usage_bug+0xc0/0xc0 [ 275.947480] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 275.952669] ? find_held_lock+0x36/0x1c0 [ 275.956731] ? zap_class+0x640/0x640 [ 275.960447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.965978] ? check_preemption_disabled+0x48/0x280 [ 275.971001] ? __lock_is_held+0xb5/0x140 [ 275.975058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.980592] ? check_preemption_disabled+0x48/0x280 [ 275.985605] run_timer_softirq+0x52/0xb0 [ 275.989663] ? rcu_read_lock_sched_held+0x14f/0x180 [ 275.994672] __do_softirq+0x308/0xb7e [ 275.998474] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 276.002960] ? lock_downgrade+0x900/0x900 [ 276.007105] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 276.012211] ? pvclock_read_flags+0x160/0x160 [ 276.016704] ? lapic_next_event+0x5a/0x90 [ 276.020853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.026391] ? kvm_clock_read+0x18/0x30 [ 276.030358] ? kvm_sched_clock_read+0x9/0x20 [ 276.034763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.040302] ? check_preemption_disabled+0x48/0x280 [ 276.045330] irq_exit+0x17f/0x1c0 [ 276.048778] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.053617] ? smp_reschedule_interrupt+0x109/0x650 [ 276.058631] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.064510] ? interrupt_entry+0xb5/0xc0 [ 276.068567] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.073575] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.078587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.083426] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.088437] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.093445] ? task_prio+0x50/0x50 [ 276.096985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.102522] ? check_preemption_disabled+0x48/0x280 [ 276.107537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.112402] apic_timer_interrupt+0xf/0x20 [ 276.116629] [ 276.118863] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 276.123876] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 276.142771] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 276.150472] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 276.157734] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 276.164995] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 276.172260] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 276.179534] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 276.186831] rcu_read_lock_held+0xa9/0xc0 [ 276.190975] css_next_child+0x2a2/0x620 [ 276.194953] ? cgroup_mount+0xd30/0xd30 [ 276.198934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.204469] ? check_preemption_disabled+0x48/0x280 [ 276.209488] ? __lock_is_held+0xb5/0x140 [ 276.213553] css_next_descendant_pre+0xeb/0x190 [ 276.218223] mem_cgroup_iter+0x42f/0x1160 [ 276.222367] ? kasan_check_write+0x14/0x20 [ 276.226603] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 276.231356] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.236377] ? shrink_slab+0xfa/0x8c0 [ 276.240170] ? shrink_active_list+0x1f00/0x1f00 [ 276.244842] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 276.250480] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 276.255586] ? cgroup_procs_write_finish+0xf0/0xf0 [ 276.260516] ? find_held_lock+0x36/0x1c0 [ 276.264577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.270106] ? vmpressure+0x1a2/0x340 [ 276.273917] shrink_node+0x516/0x16b0 [ 276.277713] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 276.283005] ? shrink_node_memcg+0x18f0/0x18f0 [ 276.287585] ? kvm_clock_read+0x18/0x30 [ 276.291558] ? ktime_get+0x2c1/0x400 [ 276.295278] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 276.299770] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 276.305308] ? __cpuset_node_allowed+0x19b/0x660 [ 276.310060] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 276.315767] ? delayacct_end+0x5a/0x100 [ 276.319745] do_try_to_free_pages+0x3e7/0x1290 [ 276.324322] ? zap_class+0x640/0x640 [ 276.328044] ? shrink_node+0x16b0/0x16b0 [ 276.332099] ? __lock_is_held+0xb5/0x140 [ 276.336166] try_to_free_pages+0x4d0/0xb90 [ 276.340401] ? do_try_to_free_pages+0x1290/0x1290 [ 276.345247] ? lock_acquire+0x1ed/0x520 [ 276.349224] ? set_page_refcounted+0x280/0x280 [ 276.353809] ? lock_release+0xa00/0xa00 [ 276.357778] ? _raw_spin_unlock_irq+0x60/0x80 [ 276.362280] ? psi_memstall_enter+0x240/0x2b0 [ 276.366769] ? psi_memstall_tick+0x230/0x230 [ 276.371186] __alloc_pages_slowpath+0xa14/0x2e10 [ 276.375964] ? warn_alloc+0x120/0x120 [ 276.379759] ? mark_held_locks+0x130/0x130 [ 276.383994] ? find_get_entry+0xaae/0x1120 [ 276.388231] ? filemap_map_pages+0x1a20/0x1a20 [ 276.392826] ? zap_class+0x640/0x640 [ 276.396542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.402075] ? check_preemption_disabled+0x48/0x280 [ 276.407090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.412619] ? should_fail+0x22d/0xd01 [ 276.416509] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.421609] ? zap_class+0x640/0x640 [ 276.425337] ? __lock_is_held+0xb5/0x140 [ 276.429402] ? mark_held_locks+0x130/0x130 [ 276.433633] ? lock_release+0xa00/0xa00 [ 276.437604] ? perf_trace_sched_process_exec+0x860/0x860 [ 276.443052] ? xa_load+0x2ba/0x460 [ 276.446590] ? lock_downgrade+0x900/0x900 [ 276.450737] ? __might_sleep+0x95/0x190 [ 276.454710] __alloc_pages_nodemask+0xa80/0xde0 [ 276.459382] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 276.464644] ? __page_cache_alloc+0x191/0x5c0 [ 276.469135] ? xa_load+0x2e1/0x460 [ 276.472674] ? xa_clear_mark+0x40/0x40 [ 276.476557] ? zap_class+0x640/0x640 [ 276.480289] ? zap_class+0x640/0x640 [ 276.484001] ? zap_class+0x640/0x640 [ 276.487714] ? __do_page_cache_readahead+0x663/0x810 [ 276.492818] ? find_held_lock+0x36/0x1c0 [ 276.496878] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 276.502418] alloc_pages_current+0x173/0x350 [ 276.506831] __page_cache_alloc+0x38c/0x5c0 [ 276.511145] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 276.516066] ? kasan_check_read+0x11/0x20 [ 276.520206] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.525480] ? generic_perform_write+0x6a0/0x6a0 [ 276.530234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.535772] ? check_preemption_disabled+0x48/0x280 [ 276.540802] filemap_fault+0x1595/0x25f0 [ 276.544871] ? __lock_page_or_retry+0xa00/0xa00 [ 276.549539] ? mark_held_locks+0x130/0x130 [ 276.553778] ? filemap_map_pages+0xd6b/0x1a20 [ 276.558282] ? lock_downgrade+0x900/0x900 [ 276.562438] ? check_preemption_disabled+0x48/0x280 [ 276.567458] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 276.572382] ? kasan_check_read+0x11/0x20 [ 276.576525] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.581800] ? rcu_softirq_qs+0x20/0x20 [ 276.585795] ? filemap_map_pages+0xd92/0x1a20 [ 276.590290] ? print_usage_bug+0xc0/0xc0 [ 276.594356] ? find_get_entries_tag+0x1400/0x1400 [ 276.599192] ? __kasan_slab_free+0x102/0x150 [ 276.603594] ? kasan_slab_free+0xe/0x10 [ 276.607565] ? kmem_cache_free+0x83/0x290 [ 276.611708] ? __sigqueue_free.part.29+0x74/0x90 [ 276.616476] ? lock_acquire+0x1ed/0x520 [ 276.620447] ? ext4_filemap_fault+0x7a/0xad [ 276.624769] ? lock_release+0xa00/0xa00 [ 276.628743] ? perf_trace_sched_process_exec+0x860/0x860 [ 276.634195] ? print_usage_bug+0xc0/0xc0 [ 276.638259] ? print_usage_bug+0xc0/0xc0 [ 276.642325] ? down_read+0x8d/0x120 [ 276.645944] ? ext4_filemap_fault+0x7a/0xad [ 276.650269] ? __down_interruptible+0x700/0x700 [ 276.654942] ext4_filemap_fault+0x82/0xad [ 276.659086] __do_fault+0x100/0x6b0 [ 276.662716] ? pmd_devmap_trans_unstable+0x220/0x220 [ 276.667817] ? mark_held_locks+0x130/0x130 [ 276.672049] ? mark_held_locks+0x130/0x130 [ 276.676295] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 276.681828] ? rcu_pm_notify+0xc0/0xc0 [ 276.685723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.691273] __handle_mm_fault+0x3ea0/0x5be0 [ 276.695691] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 276.700531] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.705029] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 276.709609] ? trace_hardirqs_on+0xbd/0x310 [ 276.713926] ? kasan_check_read+0x11/0x20 [ 276.718068] ? __set_current_blocked+0xdf/0x120 [ 276.722740] ? trace_hardirqs_off_caller+0x310/0x310 [ 276.727852] ? zap_class+0x640/0x640 [ 276.731558] ? zap_class+0x640/0x640 [ 276.735272] ? find_held_lock+0x36/0x1c0 [ 276.739341] ? handle_mm_fault+0x42a/0xc70 [ 276.743583] ? lock_downgrade+0x900/0x900 [ 276.747731] ? check_preemption_disabled+0x48/0x280 [ 276.752746] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 276.757672] ? kasan_check_read+0x11/0x20 [ 276.761817] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.767089] ? rcu_softirq_qs+0x20/0x20 [ 276.771058] ? trace_hardirqs_off_caller+0x310/0x310 [ 276.776165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.781698] ? check_preemption_disabled+0x48/0x280 [ 276.786714] handle_mm_fault+0x54f/0xc70 [ 276.790778] ? __handle_mm_fault+0x5be0/0x5be0 [ 276.795362] ? find_vma+0x34/0x190 [ 276.799078] __do_page_fault+0x5e8/0xe60 [ 276.803138] ? exit_to_usermode_loop+0x1f4/0x380 [ 276.807895] do_page_fault+0xf2/0x7e0 [ 276.811693] ? vmalloc_sync_all+0x30/0x30 [ 276.815837] ? error_entry+0x70/0xd0 [ 276.819549] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.824559] ? trace_hardirqs_on_caller+0xc0/0x310 [ 276.829488] ? syscall_return_slowpath+0x5e0/0x5e0 [ 276.834412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.839258] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.844268] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.849717] ? prepare_exit_to_usermode+0x291/0x3b0 [ 276.854726] ? page_fault+0x8/0x30 [ 276.858268] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.863111] ? page_fault+0x8/0x30 [ 276.866651] page_fault+0x1e/0x30 [ 276.870100] RIP: 0033:0x45db60 [ 276.873298] Code: Bad RIP value. [ 276.876658] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 276.882016] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 276.889281] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 276.896550] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 276.903815] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 276.911077] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 276.918363] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 276.918422] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.925113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.925118] Call Trace: [ 276.925138] dump_stack+0x244/0x39d [ 276.925156] ? dump_stack_print_info.cold.1+0x20/0x20 [ 276.931668] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.940972] warn_alloc.cold.116+0xb7/0x1bd [ 276.943524] syz-fuzzer cpuset=/ mems_allowed=0 [ 276.947139] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.976196] ? lock_downgrade+0x900/0x900 [ 276.980352] ? trace_hardirqs_off+0xb8/0x310 [ 276.984765] ? trace_hardirqs_off+0xb8/0x310 [ 276.989178] __alloc_pages_slowpath+0x26e8/0x2e10 [ 276.994046] ? warn_alloc+0x120/0x120 [ 276.997844] ? print_usage_bug+0xc0/0xc0 [ 277.001903] ? warn_alloc+0x120/0x120 [ 277.005706] ? warn_alloc+0x120/0x120 [ 277.009501] ? print_usage_bug+0xc0/0xc0 [ 277.013559] ? print_usage_bug+0xc0/0xc0 [ 277.017614] ? __lock_acquire+0x62f/0x4c20 [ 277.021851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.027382] ? should_fail+0x22d/0xd01 [ 277.031271] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.036369] ? __lock_acquire+0x62f/0x4c20 [ 277.040602] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.045701] ? __lock_acquire+0x62f/0x4c20 [ 277.049927] ? should_fail+0x22d/0xd01 [ 277.053810] ? find_held_lock+0x36/0x1c0 [ 277.057875] ? mark_held_locks+0x130/0x130 [ 277.062107] ? mark_held_locks+0x130/0x130 [ 277.066340] ? zap_class+0x640/0x640 [ 277.070074] ? mark_held_locks+0xc7/0x130 [ 277.074220] ? do_raw_spin_unlock+0xa7/0x330 [ 277.078626] ? zap_class+0x640/0x640 [ 277.082346] ? print_usage_bug+0xc0/0xc0 [ 277.086405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.091941] ? check_preemption_disabled+0x48/0x280 [ 277.096960] ? __lock_is_held+0xb5/0x140 [ 277.101020] __alloc_pages_nodemask+0xa80/0xde0 [ 277.105681] ? zap_class+0x640/0x640 [ 277.109394] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 277.114413] ? find_held_lock+0x36/0x1c0 [ 277.118479] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.123145] ? lock_downgrade+0x900/0x900 [ 277.127295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.132832] cache_grow_begin+0xa5/0x8c0 [ 277.136886] ? do_raw_spin_unlock+0xa7/0x330 [ 277.141301] fallback_alloc+0x204/0x2e0 [ 277.145283] ____cache_alloc_node+0x1c7/0x1e0 [ 277.149781] kmem_cache_alloc_node+0xe3/0x730 [ 277.154273] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.158512] __alloc_skb+0x119/0x770 [ 277.162222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.167501] ? netdev_alloc_frag+0x1f0/0x1f0 [ 277.171903] ? lock_downgrade+0x900/0x900 [ 277.176054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.181597] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.187044] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.192492] ? addrconf_rs_timer+0x690/0x690 [ 277.196908] ndisc_alloc_skb+0x144/0x340 [ 277.200969] ndisc_send_rs+0x331/0x6e0 [ 277.204854] addrconf_rs_timer+0x314/0x690 [ 277.209091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.213329] call_timer_fn+0x272/0x920 [ 277.217242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.221483] ? process_timeout+0x40/0x40 [ 277.225545] ? __run_timers+0x7da/0xc70 [ 277.229515] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.234013] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.238500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.242734] ? lockdep_hardirqs_on+0x296/0x5b0 [ 277.247313] ? trace_hardirqs_on+0xbd/0x310 [ 277.251629] ? kasan_check_read+0x11/0x20 [ 277.255775] ? __run_timers+0x7da/0xc70 [ 277.259745] ? trace_hardirqs_off_caller+0x310/0x310 [ 277.265039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.269456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.273690] __run_timers+0x7e5/0xc70 [ 277.277509] ? timer_fixup_init+0x70/0x70 [ 277.281654] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.286139] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.290628] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 277.295210] ? trace_hardirqs_on+0xbd/0x310 [ 277.299532] ? kasan_check_read+0x11/0x20 [ 277.303681] ? finish_task_switch+0x1f4/0x910 [ 277.308178] ? trace_hardirqs_off_caller+0x310/0x310 [ 277.313287] ? compat_start_thread+0x80/0x80 [ 277.317707] ? pvclock_read_flags+0x160/0x160 [ 277.322198] ? __switch_to_asm+0x34/0x70 [ 277.326271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.331804] ? check_preemption_disabled+0x48/0x280 [ 277.336823] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 277.342356] ? rcu_pm_notify+0xc0/0xc0 [ 277.346247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.351778] ? check_preemption_disabled+0x48/0x280 [ 277.356794] run_timer_softirq+0x52/0xb0 [ 277.360850] ? rcu_read_lock_sched_held+0x14f/0x180 [ 277.365861] __do_softirq+0x308/0xb7e [ 277.369663] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 277.374759] ? smpboot_thread_fn+0x334/0xa00 [ 277.379165] ? schedule+0x108/0x460 [ 277.382792] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 277.387550] ? trace_hardirqs_off+0xb8/0x310 [ 277.391956] ? smpboot_thread_fn+0x68b/0xa00 [ 277.396359] ? trace_hardirqs_on+0x310/0x310 [ 277.400766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.406302] ? check_preemption_disabled+0x48/0x280 [ 277.411316] ? takeover_tasklets+0xa90/0xa90 [ 277.415727] run_ksoftirqd+0x5e/0x100 [ 277.419526] smpboot_thread_fn+0x68b/0xa00 [ 277.423763] ? sort_range+0x30/0x30 [ 277.427385] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.432483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.438014] ? __kthread_parkme+0xfb/0x1a0 [ 277.442251] ? sort_range+0x30/0x30 [ 277.445877] kthread+0x35a/0x440 [ 277.449240] ? kthread_stop+0x900/0x900 [ 277.453216] ret_from_fork+0x3a/0x50 [ 277.457119] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 277.457123] warn_alloc_show_mem: 1 callbacks suppressed [ 277.457129] Mem-Info: [ 277.464052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.469414] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 277.469414] active_file:12 inactive_file:11 isolated_file:0 [ 277.469414] unevictable:0 dirty:0 writeback:0 unstable:0 [ 277.469414] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 277.469414] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 277.469414] free:13782 free_pcp:358 free_cma:0 [ 277.471787] Call Trace: [ 277.481162] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 277.513997] [ 277.516559] 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 [ 277.544047] dump_stack+0x244/0x39d [ 277.546174] lowmem_reserve[]: 0 2818 6321 6321 [ 277.572275] ? dump_stack_print_info.cold.1+0x20/0x20 [ 277.575871] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 277.580453] warn_alloc.cold.116+0xb7/0x1bd [ 277.585598] lowmem_reserve[]: 0 0 3503 3503 [ 277.613264] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.617558] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 277.621869] ? lock_downgrade+0x900/0x900 [ 277.626685] lowmem_reserve[]: 0 0 0 0 [ 277.655919] ? trace_hardirqs_off+0xb8/0x310 [ 277.660036] 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 [ 277.663827] ? trace_hardirqs_off+0xb8/0x310 [ 277.668207] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 277.681730] __alloc_pages_slowpath+0x26e8/0x2e10 [ 277.686107] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 277.701290] ? warn_alloc+0x120/0x120 [ 277.706086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 277.720982] ? print_usage_bug+0xc0/0xc0 [ 277.724766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 277.733584] ? warn_alloc+0x120/0x120 [ 277.737616] 266 total pagecache pages [ 277.746181] ? warn_alloc+0x120/0x120 [ 277.749963] 0 pages in swap cache [ 277.753743] ? print_usage_bug+0xc0/0xc0 [ 277.757519] Swap cache stats: add 0, delete 0, find 0/0 [ 277.761041] ? print_usage_bug+0xc0/0xc0 [ 277.765071] Free swap = 0kB [ 277.770421] ? __lock_acquire+0x62f/0x4c20 [ 277.774453] Total swap = 0kB [ 277.777459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.781663] 1965979 pages RAM [ 277.784669] ? should_fail+0x22d/0xd01 [ 277.790181] 0 pages HighMem/MovableOnly [ 277.793271] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.797127] 342854 pages reserved [ 277.801095] ? __lock_acquire+0x62f/0x4c20 [ 277.806487] 0 pages cma reserved [ 277.809939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.814211] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 277.817494] ? __lock_acquire+0x62f/0x4c20 [ 277.817509] ? should_fail+0x22d/0xd01 [ 277.822660] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.829065] ? find_held_lock+0x36/0x1c0 [ 277.833273] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 277.837158] ? mark_held_locks+0x130/0x130 [ 277.860367] ? mark_held_locks+0x130/0x130 [ 277.864592] ? zap_class+0x640/0x640 [ 277.868299] ? zap_class+0x640/0x640 [ 277.872015] ? print_usage_bug+0xc0/0xc0 [ 277.876067] ? do_raw_spin_unlock+0xa7/0x330 [ 277.880473] ? zap_class+0x640/0x640 [ 277.884180] ? print_usage_bug+0xc0/0xc0 [ 277.888235] ? wq_watchdog_touch+0x9c/0xfe [ 277.892467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.897999] ? check_preemption_disabled+0x48/0x280 [ 277.903020] ? __lock_is_held+0xb5/0x140 [ 277.907083] __alloc_pages_nodemask+0xa80/0xde0 [ 277.911747] ? zap_class+0x640/0x640 [ 277.915459] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 277.920481] ? find_held_lock+0x36/0x1c0 [ 277.924548] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.929211] ? lock_downgrade+0x900/0x900 [ 277.933361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.938899] cache_grow_begin+0xa5/0x8c0 [ 277.942957] ? do_raw_spin_unlock+0xa7/0x330 [ 277.947366] fallback_alloc+0x204/0x2e0 [ 277.951339] ____cache_alloc_node+0x1c7/0x1e0 [ 277.955837] kmem_cache_alloc_node+0xe3/0x730 [ 277.960327] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.964569] __alloc_skb+0x119/0x770 [ 277.968276] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.973557] ? netdev_alloc_frag+0x1f0/0x1f0 [ 277.977957] ? lock_downgrade+0x900/0x900 [ 277.982107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.987646] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.993096] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.998545] ? addrconf_rs_timer+0x690/0x690 [ 278.002955] ndisc_alloc_skb+0x144/0x340 [ 278.007014] ndisc_send_rs+0x331/0x6e0 [ 278.010899] addrconf_rs_timer+0x314/0x690 [ 278.015139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.019379] call_timer_fn+0x272/0x920 [ 278.023264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.027496] ? process_timeout+0x40/0x40 [ 278.031572] ? mark_held_locks+0xc7/0x130 [ 278.035715] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.040207] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.044698] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.048929] ? lockdep_hardirqs_on+0x296/0x5b0 [ 278.053505] ? trace_hardirqs_on+0xbd/0x310 [ 278.057824] ? kasan_check_read+0x11/0x20 [ 278.061965] ? __run_timers+0x7da/0xc70 [ 278.065934] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.071039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.075292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.079524] __run_timers+0x7e5/0xc70 [ 278.083326] ? timer_fixup_init+0x70/0x70 [ 278.087468] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.092479] ? zap_class+0x640/0x640 [ 278.096191] ? print_usage_bug+0xc0/0xc0 [ 278.100250] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.105442] ? find_held_lock+0x36/0x1c0 [ 278.109502] ? zap_class+0x640/0x640 [ 278.113218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.118748] ? check_preemption_disabled+0x48/0x280 [ 278.123778] ? __lock_is_held+0xb5/0x140 [ 278.127837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.133373] ? check_preemption_disabled+0x48/0x280 [ 278.138387] run_timer_softirq+0x52/0xb0 [ 278.142442] ? rcu_read_lock_sched_held+0x14f/0x180 [ 278.147459] __do_softirq+0x308/0xb7e [ 278.151263] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 278.155750] ? lock_downgrade+0x900/0x900 [ 278.159899] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 278.165007] ? pvclock_read_flags+0x160/0x160 [ 278.169497] ? lapic_next_event+0x5a/0x90 [ 278.173646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.179181] ? kvm_clock_read+0x18/0x30 [ 278.183151] ? kvm_sched_clock_read+0x9/0x20 [ 278.187553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.193087] ? check_preemption_disabled+0x48/0x280 [ 278.198203] irq_exit+0x17f/0x1c0 [ 278.201659] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.206497] ? smp_reschedule_interrupt+0x109/0x650 [ 278.211511] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.217390] ? interrupt_entry+0xb5/0xc0 [ 278.221448] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.226459] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.231471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.236308] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.241316] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.246326] ? task_prio+0x50/0x50 [ 278.249863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.255392] ? check_preemption_disabled+0x48/0x280 [ 278.260406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.265249] apic_timer_interrupt+0xf/0x20 [ 278.269473] [ 278.271705] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 278.276722] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 278.295615] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 278.303321] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 278.310581] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 278.317849] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 278.325117] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 278.332378] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 278.339667] rcu_read_lock_held+0xa9/0xc0 [ 278.343808] css_next_child+0x2a2/0x620 [ 278.347787] ? cgroup_mount+0xd30/0xd30 [ 278.351761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.357292] ? check_preemption_disabled+0x48/0x280 [ 278.362315] ? __lock_is_held+0xb5/0x140 [ 278.366388] css_next_descendant_pre+0xeb/0x190 [ 278.371058] mem_cgroup_iter+0x42f/0x1160 [ 278.375211] ? kasan_check_write+0x14/0x20 [ 278.379546] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 278.384296] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.389309] ? shrink_slab+0xfa/0x8c0 [ 278.393109] ? shrink_active_list+0x1f00/0x1f00 [ 278.397783] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 278.403407] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 278.408512] ? cgroup_procs_write_finish+0xf0/0xf0 [ 278.413440] ? find_held_lock+0x36/0x1c0 [ 278.417498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.423027] ? vmpressure+0x1a2/0x340 [ 278.426828] shrink_node+0x516/0x16b0 [ 278.430634] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 278.435925] ? shrink_node_memcg+0x18f0/0x18f0 [ 278.440508] ? kvm_clock_read+0x18/0x30 [ 278.444479] ? ktime_get+0x2c1/0x400 [ 278.448194] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 278.452685] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 278.458215] ? __cpuset_node_allowed+0x19b/0x660 [ 278.462968] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 278.468676] ? delayacct_end+0x5a/0x100 [ 278.472652] do_try_to_free_pages+0x3e7/0x1290 [ 278.477225] ? zap_class+0x640/0x640 [ 278.480946] ? shrink_node+0x16b0/0x16b0 [ 278.485006] ? __lock_is_held+0xb5/0x140 [ 278.489072] try_to_free_pages+0x4d0/0xb90 [ 278.493316] ? do_try_to_free_pages+0x1290/0x1290 [ 278.498176] ? lock_acquire+0x1ed/0x520 [ 278.502143] ? set_page_refcounted+0x280/0x280 [ 278.506727] ? lock_release+0xa00/0xa00 [ 278.510696] ? _raw_spin_unlock_irq+0x60/0x80 [ 278.515185] ? psi_memstall_enter+0x240/0x2b0 [ 278.519677] ? psi_memstall_tick+0x230/0x230 [ 278.524096] __alloc_pages_slowpath+0xa14/0x2e10 [ 278.528869] ? warn_alloc+0x120/0x120 [ 278.532663] ? mark_held_locks+0x130/0x130 [ 278.536895] ? find_get_entry+0xaae/0x1120 [ 278.541135] ? filemap_map_pages+0x1a20/0x1a20 [ 278.545723] ? zap_class+0x640/0x640 [ 278.549439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.554973] ? check_preemption_disabled+0x48/0x280 [ 278.559983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.565512] ? should_fail+0x22d/0xd01 [ 278.569397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.576492] ? zap_class+0x640/0x640 [ 278.580224] ? __lock_is_held+0xb5/0x140 [ 278.584288] ? mark_held_locks+0x130/0x130 [ 278.588519] ? lock_release+0xa00/0xa00 [ 278.592493] ? perf_trace_sched_process_exec+0x860/0x860 [ 278.597942] ? xa_load+0x2ba/0x460 [ 278.601476] ? lock_downgrade+0x900/0x900 [ 278.605625] ? __might_sleep+0x95/0x190 [ 278.609603] __alloc_pages_nodemask+0xa80/0xde0 [ 278.614276] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 278.619290] ? __page_cache_alloc+0x191/0x5c0 [ 278.623778] ? xa_load+0x2e1/0x460 [ 278.627313] ? xa_clear_mark+0x40/0x40 [ 278.631198] ? zap_class+0x640/0x640 [ 278.634916] ? zap_class+0x640/0x640 [ 278.638625] ? zap_class+0x640/0x640 [ 278.642337] ? __do_page_cache_readahead+0x663/0x810 [ 278.647445] ? find_held_lock+0x36/0x1c0 [ 278.651505] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 278.657041] alloc_pages_current+0x173/0x350 [ 278.661456] __page_cache_alloc+0x38c/0x5c0 [ 278.665770] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 278.670693] ? kasan_check_read+0x11/0x20 [ 278.674835] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.680108] ? generic_perform_write+0x6a0/0x6a0 [ 278.684858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.690391] ? check_preemption_disabled+0x48/0x280 [ 278.695408] filemap_fault+0x1595/0x25f0 [ 278.699476] ? __lock_page_or_retry+0xa00/0xa00 [ 278.704141] ? mark_held_locks+0x130/0x130 [ 278.708381] ? filemap_map_pages+0xd6b/0x1a20 [ 278.712869] ? lock_downgrade+0x900/0x900 [ 278.717009] ? check_preemption_disabled+0x48/0x280 [ 278.722022] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 278.726942] ? kasan_check_read+0x11/0x20 [ 278.731087] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.736359] ? rcu_softirq_qs+0x20/0x20 [ 278.740343] ? filemap_map_pages+0xd92/0x1a20 [ 278.744840] ? print_usage_bug+0xc0/0xc0 [ 278.748899] ? find_get_entries_tag+0x1400/0x1400 [ 278.753739] ? __kasan_slab_free+0x102/0x150 [ 278.758141] ? kasan_slab_free+0xe/0x10 [ 278.762107] ? kmem_cache_free+0x83/0x290 [ 278.766252] ? __sigqueue_free.part.29+0x74/0x90 [ 278.771017] ? lock_acquire+0x1ed/0x520 [ 278.774986] ? ext4_filemap_fault+0x7a/0xad [ 278.779312] ? lock_release+0xa00/0xa00 [ 278.783279] ? perf_trace_sched_process_exec+0x860/0x860 [ 278.788724] ? print_usage_bug+0xc0/0xc0 [ 278.792781] ? print_usage_bug+0xc0/0xc0 [ 278.796849] ? down_read+0x8d/0x120 [ 278.800468] ? ext4_filemap_fault+0x7a/0xad [ 278.804788] ? __down_interruptible+0x700/0x700 [ 278.809464] ext4_filemap_fault+0x82/0xad [ 278.813609] __do_fault+0x100/0x6b0 [ 278.817235] ? pmd_devmap_trans_unstable+0x220/0x220 [ 278.822333] ? mark_held_locks+0x130/0x130 [ 278.826566] ? mark_held_locks+0x130/0x130 [ 278.830802] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 278.836336] ? rcu_pm_notify+0xc0/0xc0 [ 278.840223] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.845757] __handle_mm_fault+0x3ea0/0x5be0 [ 278.850167] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 278.855004] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.859494] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 278.864080] ? trace_hardirqs_on+0xbd/0x310 [ 278.868394] ? kasan_check_read+0x11/0x20 [ 278.872537] ? __set_current_blocked+0xdf/0x120 [ 278.877204] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.882313] ? zap_class+0x640/0x640 [ 278.886019] ? zap_class+0x640/0x640 [ 278.889736] ? find_held_lock+0x36/0x1c0 [ 278.893802] ? handle_mm_fault+0x42a/0xc70 [ 278.898036] ? lock_downgrade+0x900/0x900 [ 278.902186] ? check_preemption_disabled+0x48/0x280 [ 278.907197] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 278.912121] ? kasan_check_read+0x11/0x20 [ 278.916266] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.921536] ? rcu_softirq_qs+0x20/0x20 [ 278.925509] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.930607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.936143] ? check_preemption_disabled+0x48/0x280 [ 278.941167] handle_mm_fault+0x54f/0xc70 [ 278.945225] ? __handle_mm_fault+0x5be0/0x5be0 [ 278.949805] ? find_vma+0x34/0x190 [ 278.953341] __do_page_fault+0x5e8/0xe60 [ 278.957401] ? exit_to_usermode_loop+0x1f4/0x380 [ 278.962160] do_page_fault+0xf2/0x7e0 [ 278.965957] ? vmalloc_sync_all+0x30/0x30 [ 278.970097] ? error_entry+0x70/0xd0 [ 278.973806] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.978813] ? trace_hardirqs_on_caller+0xc0/0x310 [ 278.983736] ? syscall_return_slowpath+0x5e0/0x5e0 [ 278.988659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.993495] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.998504] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.004233] ? prepare_exit_to_usermode+0x291/0x3b0 [ 279.009248] ? page_fault+0x8/0x30 [ 279.012784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.017631] ? page_fault+0x8/0x30 [ 279.021169] page_fault+0x1e/0x30 [ 279.024616] RIP: 0033:0x45db60 [ 279.027818] Code: Bad RIP value. [ 279.031180] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 279.036536] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 279.043801] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 279.051063] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 279.058325] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 279.065589] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 279.072885] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 279.072945] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.079630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.079637] Call Trace: [ 279.086183] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.095456] dump_stack+0x244/0x39d [ 279.098012] syz-fuzzer cpuset=/ mems_allowed=0 [ 279.108228] ? dump_stack_print_info.cold.1+0x20/0x20 [ 279.121579] warn_alloc.cold.116+0xb7/0x1bd [ 279.125897] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.130736] ? lock_downgrade+0x900/0x900 [ 279.134883] ? trace_hardirqs_off+0xb8/0x310 [ 279.139294] ? trace_hardirqs_off+0xb8/0x310 [ 279.143709] __alloc_pages_slowpath+0x26e8/0x2e10 [ 279.148572] ? warn_alloc+0x120/0x120 [ 279.152464] ? print_usage_bug+0xc0/0xc0 [ 279.157399] ? warn_alloc+0x120/0x120 [ 279.161201] ? warn_alloc+0x120/0x120 [ 279.164998] ? print_usage_bug+0xc0/0xc0 [ 279.169077] ? print_usage_bug+0xc0/0xc0 [ 279.173133] ? __lock_acquire+0x62f/0x4c20 [ 279.177366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.182898] ? should_fail+0x22d/0xd01 [ 279.186781] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.191878] ? __lock_acquire+0x62f/0x4c20 [ 279.196116] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.201212] ? __lock_acquire+0x62f/0x4c20 [ 279.205437] ? should_fail+0x22d/0xd01 [ 279.209317] ? find_held_lock+0x36/0x1c0 [ 279.213379] ? mark_held_locks+0x130/0x130 [ 279.217617] ? mark_held_locks+0x130/0x130 [ 279.221843] ? zap_class+0x640/0x640 [ 279.225574] ? mark_held_locks+0xc7/0x130 [ 279.229715] ? do_raw_spin_unlock+0xa7/0x330 [ 279.234117] ? zap_class+0x640/0x640 [ 279.237824] ? print_usage_bug+0xc0/0xc0 [ 279.241883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.247423] ? check_preemption_disabled+0x48/0x280 [ 279.252441] ? __lock_is_held+0xb5/0x140 [ 279.256501] __alloc_pages_nodemask+0xa80/0xde0 [ 279.261174] ? zap_class+0x640/0x640 [ 279.264888] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 279.269907] ? find_held_lock+0x36/0x1c0 [ 279.273973] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.278641] ? lock_downgrade+0x900/0x900 [ 279.282787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.288321] cache_grow_begin+0xa5/0x8c0 [ 279.292383] ? do_raw_spin_unlock+0xa7/0x330 [ 279.296790] fallback_alloc+0x204/0x2e0 [ 279.300766] ____cache_alloc_node+0x1c7/0x1e0 [ 279.305259] kmem_cache_alloc_node+0xe3/0x730 [ 279.309750] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.313988] __alloc_skb+0x119/0x770 [ 279.317700] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 279.322974] ? netdev_alloc_frag+0x1f0/0x1f0 [ 279.327375] ? lock_downgrade+0x900/0x900 [ 279.331523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.337058] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.342504] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.347947] ? addrconf_rs_timer+0x690/0x690 [ 279.352367] ndisc_alloc_skb+0x144/0x340 [ 279.356429] ndisc_send_rs+0x331/0x6e0 [ 279.360318] addrconf_rs_timer+0x314/0x690 [ 279.364551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.368793] call_timer_fn+0x272/0x920 [ 279.372680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.376911] ? process_timeout+0x40/0x40 [ 279.380976] ? __run_timers+0x7da/0xc70 [ 279.384952] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.389437] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.393921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.398155] ? lockdep_hardirqs_on+0x296/0x5b0 [ 279.402736] ? trace_hardirqs_on+0xbd/0x310 [ 279.407058] ? kasan_check_read+0x11/0x20 [ 279.411199] ? __run_timers+0x7da/0xc70 [ 279.415173] ? trace_hardirqs_off_caller+0x310/0x310 [ 279.420276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.424510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.428752] __run_timers+0x7e5/0xc70 [ 279.432558] ? timer_fixup_init+0x70/0x70 [ 279.436700] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.441203] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.445706] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 279.450284] ? trace_hardirqs_on+0xbd/0x310 [ 279.454598] ? kasan_check_read+0x11/0x20 [ 279.458739] ? finish_task_switch+0x1f4/0x910 [ 279.463231] ? trace_hardirqs_off_caller+0x310/0x310 [ 279.468329] ? compat_start_thread+0x80/0x80 [ 279.472751] ? pvclock_read_flags+0x160/0x160 [ 279.477239] ? __switch_to_asm+0x34/0x70 [ 279.481296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.486835] ? check_preemption_disabled+0x48/0x280 [ 279.491853] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 279.497388] ? rcu_pm_notify+0xc0/0xc0 [ 279.501275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.506810] ? check_preemption_disabled+0x48/0x280 [ 279.511831] run_timer_softirq+0x52/0xb0 [ 279.515886] ? rcu_read_lock_sched_held+0x14f/0x180 [ 279.520895] __do_softirq+0x308/0xb7e [ 279.524702] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 279.529824] ? smpboot_thread_fn+0x334/0xa00 [ 279.534230] ? schedule+0x108/0x460 [ 279.537855] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.542613] ? trace_hardirqs_off+0xb8/0x310 [ 279.547023] ? smpboot_thread_fn+0x68b/0xa00 [ 279.551433] ? trace_hardirqs_on+0x310/0x310 [ 279.555839] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.561375] ? check_preemption_disabled+0x48/0x280 [ 279.566385] ? takeover_tasklets+0xa90/0xa90 [ 279.570787] run_ksoftirqd+0x5e/0x100 [ 279.574580] smpboot_thread_fn+0x68b/0xa00 [ 279.578817] ? sort_range+0x30/0x30 [ 279.582436] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 279.587536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.593069] ? __kthread_parkme+0xfb/0x1a0 [ 279.597304] ? sort_range+0x30/0x30 [ 279.600926] kthread+0x35a/0x440 [ 279.604290] ? kthread_stop+0x900/0x900 [ 279.608260] ret_from_fork+0x3a/0x50 [ 279.611993] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 279.611998] warn_alloc_show_mem: 1 callbacks suppressed [ 279.612004] Mem-Info: [ 279.618929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.624290] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 279.624290] active_file:12 inactive_file:11 isolated_file:0 [ 279.624290] unevictable:0 dirty:0 writeback:0 unstable:0 [ 279.624290] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 279.624290] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 279.624290] free:13782 free_pcp:358 free_cma:0 [ 279.626659] Call Trace: [ 279.636510] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.669355] [ 279.671917] 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 [ 279.699497] dump_stack+0x244/0x39d [ 279.701610] lowmem_reserve[]: 0 2818 6321 6321 [ 279.727708] ? dump_stack_print_info.cold.1+0x20/0x20 [ 279.731305] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 279.735884] warn_alloc.cold.116+0xb7/0x1bd [ 279.741033] lowmem_reserve[]: 0 0 3503 3503 [ 279.768709] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.773000] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 279.777311] ? lock_downgrade+0x900/0x900 [ 279.782122] lowmem_reserve[]: 0 0 0 0 [ 279.811590] ? trace_hardirqs_off+0xb8/0x310 [ 279.815706] 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 [ 279.819500] ? trace_hardirqs_off+0xb8/0x310 [ 279.823880] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 279.837398] __alloc_pages_slowpath+0x26e8/0x2e10 [ 279.841777] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 279.856970] ? warn_alloc+0x120/0x120 [ 279.861759] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 279.876656] ? print_usage_bug+0xc0/0xc0 [ 279.880433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 279.889246] ? warn_alloc+0x120/0x120 [ 279.893282] 266 total pagecache pages [ 279.901842] ? warn_alloc+0x120/0x120 [ 279.905627] 0 pages in swap cache [ 279.909415] ? print_usage_bug+0xc0/0xc0 [ 279.913189] Swap cache stats: add 0, delete 0, find 0/0 [ 279.916623] ? kvm_clock_read+0x18/0x30 [ 279.920655] Free swap = 0kB [ 279.926000] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 279.926015] ? print_usage_bug+0xc0/0xc0 [ 279.929972] Total swap = 0kB [ 279.932985] ? __lock_acquire+0x62f/0x4c20 [ 279.937980] 1965979 pages RAM [ 279.942032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.945022] 0 pages HighMem/MovableOnly [ 279.949245] ? should_fail+0x22d/0xd01 [ 279.952319] 342854 pages reserved [ 279.957842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 279.961787] 0 pages cma reserved [ 279.965659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.969148] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.974350] ? __lock_acquire+0x62f/0x4c20 [ 279.974366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.974381] ? __lock_acquire+0x62f/0x4c20 [ 279.977772] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.982811] ? should_fail+0x22d/0xd01 [ 279.989274] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 279.993499] ? rcu_irq_exit+0x1a2/0x390 [ 280.025573] ? mark_held_locks+0x130/0x130 [ 280.029807] ? mark_held_locks+0x130/0x130 [ 280.034045] ? mark_held_locks+0xc7/0x130 [ 280.038186] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 280.043199] ? zap_class+0x640/0x640 [ 280.046905] ? print_usage_bug+0xc0/0xc0 [ 280.050973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.056512] ? check_preemption_disabled+0x48/0x280 [ 280.061531] ? __lock_is_held+0xb5/0x140 [ 280.065592] __alloc_pages_nodemask+0xa80/0xde0 [ 280.070255] ? zap_class+0x640/0x640 [ 280.074016] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 280.079037] ? find_held_lock+0x36/0x1c0 [ 280.083106] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.087773] ? lock_downgrade+0x900/0x900 [ 280.091923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.097471] cache_grow_begin+0xa5/0x8c0 [ 280.101535] ? do_raw_spin_unlock+0xa7/0x330 [ 280.105954] fallback_alloc+0x204/0x2e0 [ 280.109931] ____cache_alloc_node+0x1c7/0x1e0 [ 280.114434] kmem_cache_alloc_node+0xe3/0x730 [ 280.118922] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.123167] __alloc_skb+0x119/0x770 [ 280.126878] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.132334] ? netdev_alloc_frag+0x1f0/0x1f0 [ 280.136742] ? lock_downgrade+0x900/0x900 [ 280.140892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.146424] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.151874] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.157324] ? addrconf_rs_timer+0x690/0x690 [ 280.161746] ndisc_alloc_skb+0x144/0x340 [ 280.165806] ndisc_send_rs+0x331/0x6e0 [ 280.169693] addrconf_rs_timer+0x314/0x690 [ 280.173928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.178177] call_timer_fn+0x272/0x920 [ 280.182147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.186375] ? process_timeout+0x40/0x40 [ 280.190446] ? mark_held_locks+0xc7/0x130 [ 280.194599] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.199087] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.203574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.207802] ? lockdep_hardirqs_on+0x296/0x5b0 [ 280.212386] ? trace_hardirqs_on+0xbd/0x310 [ 280.216706] ? kasan_check_read+0x11/0x20 [ 280.220850] ? __run_timers+0x7da/0xc70 [ 280.224822] ? trace_hardirqs_off_caller+0x310/0x310 [ 280.229928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.234171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.238400] __run_timers+0x7e5/0xc70 [ 280.242204] ? timer_fixup_init+0x70/0x70 [ 280.246350] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.251359] ? zap_class+0x640/0x640 [ 280.255075] ? print_usage_bug+0xc0/0xc0 [ 280.259134] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 280.264327] ? find_held_lock+0x36/0x1c0 [ 280.268387] ? zap_class+0x640/0x640 [ 280.272101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.280150] ? check_preemption_disabled+0x48/0x280 [ 280.285170] ? __lock_is_held+0xb5/0x140 [ 280.289224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.294759] ? check_preemption_disabled+0x48/0x280 [ 280.299776] run_timer_softirq+0x52/0xb0 [ 280.303839] ? rcu_read_lock_sched_held+0x14f/0x180 [ 280.308852] __do_softirq+0x308/0xb7e [ 280.312652] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 280.317140] ? lock_downgrade+0x900/0x900 [ 280.321288] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 280.326401] ? pvclock_read_flags+0x160/0x160 [ 280.330891] ? lapic_next_event+0x5a/0x90 [ 280.335042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.340578] ? kvm_clock_read+0x18/0x30 [ 280.344549] ? kvm_sched_clock_read+0x9/0x20 [ 280.348958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.354490] ? check_preemption_disabled+0x48/0x280 [ 280.359511] irq_exit+0x17f/0x1c0 [ 280.362966] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.367891] ? smp_reschedule_interrupt+0x109/0x650 [ 280.372916] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.378807] ? interrupt_entry+0xb5/0xc0 [ 280.382867] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.387880] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.392889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.397735] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.402754] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.407764] ? task_prio+0x50/0x50 [ 280.411303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.416839] ? check_preemption_disabled+0x48/0x280 [ 280.421855] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.426699] apic_timer_interrupt+0xf/0x20 [ 280.430926] [ 280.433161] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 280.438171] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 280.457062] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 280.464761] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 280.472029] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 280.479293] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 280.486555] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 280.493818] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 280.501107] rcu_read_lock_held+0xa9/0xc0 [ 280.505249] css_next_child+0x2a2/0x620 [ 280.509222] ? cgroup_mount+0xd30/0xd30 [ 280.513195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.518725] ? check_preemption_disabled+0x48/0x280 [ 280.523743] ? __lock_is_held+0xb5/0x140 [ 280.527808] css_next_descendant_pre+0xeb/0x190 [ 280.532480] mem_cgroup_iter+0x42f/0x1160 [ 280.536628] ? kasan_check_write+0x14/0x20 [ 280.540862] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 280.545612] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.550627] ? shrink_slab+0xfa/0x8c0 [ 280.554426] ? shrink_active_list+0x1f00/0x1f00 [ 280.559110] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 280.564733] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 280.569836] ? cgroup_procs_write_finish+0xf0/0xf0 [ 280.574765] ? find_held_lock+0x36/0x1c0 [ 280.578826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.584369] ? vmpressure+0x1a2/0x340 [ 280.588168] shrink_node+0x516/0x16b0 [ 280.591962] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 280.597259] ? shrink_node_memcg+0x18f0/0x18f0 [ 280.601844] ? kvm_clock_read+0x18/0x30 [ 280.605814] ? ktime_get+0x2c1/0x400 [ 280.609527] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 280.614022] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.619553] ? __cpuset_node_allowed+0x19b/0x660 [ 280.624304] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 280.630012] ? delayacct_end+0x5a/0x100 [ 280.633987] do_try_to_free_pages+0x3e7/0x1290 [ 280.638574] ? zap_class+0x640/0x640 [ 280.642300] ? shrink_node+0x16b0/0x16b0 [ 280.646356] ? __lock_is_held+0xb5/0x140 [ 280.650422] try_to_free_pages+0x4d0/0xb90 [ 280.654660] ? do_try_to_free_pages+0x1290/0x1290 [ 280.659509] ? lock_acquire+0x1ed/0x520 [ 280.663651] ? set_page_refcounted+0x280/0x280 [ 280.668233] ? lock_release+0xa00/0xa00 [ 280.672206] ? _raw_spin_unlock_irq+0x60/0x80 [ 280.676699] ? psi_memstall_enter+0x240/0x2b0 [ 280.681190] ? psi_memstall_tick+0x230/0x230 [ 280.685602] __alloc_pages_slowpath+0xa14/0x2e10 [ 280.690378] ? warn_alloc+0x120/0x120 [ 280.694173] ? mark_held_locks+0x130/0x130 [ 280.698413] ? find_get_entry+0xaae/0x1120 [ 280.702653] ? filemap_map_pages+0x1a20/0x1a20 [ 280.707233] ? zap_class+0x640/0x640 [ 280.710947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.716484] ? check_preemption_disabled+0x48/0x280 [ 280.721497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.727027] ? should_fail+0x22d/0xd01 [ 280.730922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.736021] ? zap_class+0x640/0x640 [ 280.739750] ? __lock_is_held+0xb5/0x140 [ 280.743813] ? mark_held_locks+0x130/0x130 [ 280.748044] ? lock_release+0xa00/0xa00 [ 280.752017] ? perf_trace_sched_process_exec+0x860/0x860 [ 280.757461] ? xa_load+0x2ba/0x460 [ 280.761001] ? lock_downgrade+0x900/0x900 [ 280.765146] ? __might_sleep+0x95/0x190 [ 280.769123] __alloc_pages_nodemask+0xa80/0xde0 [ 280.773791] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 280.778809] ? __page_cache_alloc+0x191/0x5c0 [ 280.783298] ? xa_load+0x2e1/0x460 [ 280.786837] ? xa_clear_mark+0x40/0x40 [ 280.790721] ? zap_class+0x640/0x640 [ 280.794445] ? zap_class+0x640/0x640 [ 280.798151] ? zap_class+0x640/0x640 [ 280.802345] ? __do_page_cache_readahead+0x663/0x810 [ 280.807450] ? find_held_lock+0x36/0x1c0 [ 280.811512] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 280.817048] alloc_pages_current+0x173/0x350 [ 280.821456] __page_cache_alloc+0x38c/0x5c0 [ 280.825769] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 280.830690] ? kasan_check_read+0x11/0x20 [ 280.834833] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.840107] ? generic_perform_write+0x6a0/0x6a0 [ 280.844856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.850398] ? check_preemption_disabled+0x48/0x280 [ 280.855437] filemap_fault+0x1595/0x25f0 [ 280.859502] ? __lock_page_or_retry+0xa00/0xa00 [ 280.864168] ? mark_held_locks+0x130/0x130 [ 280.868405] ? filemap_map_pages+0xd6b/0x1a20 [ 280.872908] ? lock_downgrade+0x900/0x900 [ 280.877049] ? check_preemption_disabled+0x48/0x280 [ 280.882063] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 280.886985] ? kasan_check_read+0x11/0x20 [ 280.891126] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.896399] ? rcu_softirq_qs+0x20/0x20 [ 280.900384] ? filemap_map_pages+0xd92/0x1a20 [ 280.904887] ? print_usage_bug+0xc0/0xc0 [ 280.908952] ? find_get_entries_tag+0x1400/0x1400 [ 280.913786] ? __kasan_slab_free+0x102/0x150 [ 280.918185] ? kasan_slab_free+0xe/0x10 [ 280.922154] ? kmem_cache_free+0x83/0x290 [ 280.926296] ? __sigqueue_free.part.29+0x74/0x90 [ 280.931061] ? lock_acquire+0x1ed/0x520 [ 280.935030] ? ext4_filemap_fault+0x7a/0xad [ 280.939354] ? lock_release+0xa00/0xa00 [ 280.943320] ? perf_trace_sched_process_exec+0x860/0x860 [ 280.948769] ? print_usage_bug+0xc0/0xc0 [ 280.952839] ? print_usage_bug+0xc0/0xc0 [ 280.956913] ? down_read+0x8d/0x120 [ 280.960535] ? ext4_filemap_fault+0x7a/0xad [ 280.964851] ? __down_interruptible+0x700/0x700 [ 280.969532] ext4_filemap_fault+0x82/0xad [ 280.973680] __do_fault+0x100/0x6b0 [ 280.977306] ? pmd_devmap_trans_unstable+0x220/0x220 [ 280.982410] ? mark_held_locks+0x130/0x130 [ 280.986643] ? mark_held_locks+0x130/0x130 [ 280.990879] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 280.996419] ? rcu_pm_notify+0xc0/0xc0 [ 281.000306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.005842] __handle_mm_fault+0x3ea0/0x5be0 [ 281.010257] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 281.015094] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.019588] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 281.024178] ? trace_hardirqs_on+0xbd/0x310 [ 281.028492] ? kasan_check_read+0x11/0x20 [ 281.032633] ? __set_current_blocked+0xdf/0x120 [ 281.037299] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.042425] ? zap_class+0x640/0x640 [ 281.046134] ? zap_class+0x640/0x640 [ 281.049847] ? find_held_lock+0x36/0x1c0 [ 281.053915] ? handle_mm_fault+0x42a/0xc70 [ 281.058149] ? lock_downgrade+0x900/0x900 [ 281.062302] ? check_preemption_disabled+0x48/0x280 [ 281.067319] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 281.072241] ? kasan_check_read+0x11/0x20 [ 281.076383] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.081655] ? rcu_softirq_qs+0x20/0x20 [ 281.085623] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.090722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.096254] ? check_preemption_disabled+0x48/0x280 [ 281.101273] handle_mm_fault+0x54f/0xc70 [ 281.105336] ? __handle_mm_fault+0x5be0/0x5be0 [ 281.109922] ? find_vma+0x34/0x190 [ 281.113462] __do_page_fault+0x5e8/0xe60 [ 281.117521] ? exit_to_usermode_loop+0x1f4/0x380 [ 281.122301] do_page_fault+0xf2/0x7e0 [ 281.126099] ? vmalloc_sync_all+0x30/0x30 [ 281.130242] ? error_entry+0x70/0xd0 [ 281.133953] ? trace_hardirqs_off_caller+0xbb/0x310 [ 281.139053] ? trace_hardirqs_on_caller+0xc0/0x310 [ 281.143976] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.148898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.153736] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.159011] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.164462] ? prepare_exit_to_usermode+0x291/0x3b0 [ 281.169473] ? page_fault+0x8/0x30 [ 281.173018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.177869] ? page_fault+0x8/0x30 [ 281.181406] page_fault+0x1e/0x30 [ 281.184865] RIP: 0033:0x45db60 [ 281.188068] Code: Bad RIP value. [ 281.191427] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 281.196784] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 281.204051] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 281.211312] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 281.218687] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 281.225948] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 281.233239] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 281.233298] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.239986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.239993] Call Trace: [ 281.246542] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.255811] dump_stack+0x244/0x39d [ 281.258367] syz-fuzzer cpuset=/ mems_allowed=0 [ 281.268582] ? dump_stack_print_info.cold.1+0x20/0x20 [ 281.281932] warn_alloc.cold.116+0xb7/0x1bd [ 281.286253] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.291097] ? lock_downgrade+0x900/0x900 [ 281.295247] ? trace_hardirqs_off+0xb8/0x310 [ 281.299661] ? trace_hardirqs_off+0xb8/0x310 [ 281.304074] __alloc_pages_slowpath+0x26e8/0x2e10 [ 281.308943] ? warn_alloc+0x120/0x120 [ 281.312747] ? print_usage_bug+0xc0/0xc0 [ 281.316812] ? warn_alloc+0x120/0x120 [ 281.320623] ? warn_alloc+0x120/0x120 [ 281.324422] ? print_usage_bug+0xc0/0xc0 [ 281.328480] ? print_usage_bug+0xc0/0xc0 [ 281.332537] ? __lock_acquire+0x62f/0x4c20 [ 281.336774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.342309] ? should_fail+0x22d/0xd01 [ 281.346194] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.351293] ? __lock_acquire+0x62f/0x4c20 [ 281.355526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.360625] ? __lock_acquire+0x62f/0x4c20 [ 281.364859] ? should_fail+0x22d/0xd01 [ 281.368744] ? find_held_lock+0x36/0x1c0 [ 281.372812] ? mark_held_locks+0x130/0x130 [ 281.377058] ? mark_held_locks+0x130/0x130 [ 281.381288] ? zap_class+0x640/0x640 [ 281.384996] ? zap_class+0x640/0x640 [ 281.388710] ? print_usage_bug+0xc0/0xc0 [ 281.392769] ? do_raw_spin_unlock+0xa7/0x330 [ 281.397173] ? zap_class+0x640/0x640 [ 281.400887] ? print_usage_bug+0xc0/0xc0 [ 281.404946] ? wq_watchdog_touch+0x9c/0xfe [ 281.409179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.414711] ? check_preemption_disabled+0x48/0x280 [ 281.419730] ? __lock_is_held+0xb5/0x140 [ 281.423792] __alloc_pages_nodemask+0xa80/0xde0 [ 281.428454] ? zap_class+0x640/0x640 [ 281.432175] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 281.437199] ? find_held_lock+0x36/0x1c0 [ 281.441266] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.445932] ? lock_downgrade+0x900/0x900 [ 281.450083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.455623] cache_grow_begin+0xa5/0x8c0 [ 281.459682] ? do_raw_spin_unlock+0xa7/0x330 [ 281.464102] fallback_alloc+0x204/0x2e0 [ 281.468077] ____cache_alloc_node+0x1c7/0x1e0 [ 281.472571] kmem_cache_alloc_node+0xe3/0x730 [ 281.477066] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.481304] __alloc_skb+0x119/0x770 [ 281.485014] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.490290] ? netdev_alloc_frag+0x1f0/0x1f0 [ 281.494694] ? lock_downgrade+0x900/0x900 [ 281.498849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.504386] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.509842] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.515291] ? addrconf_rs_timer+0x690/0x690 [ 281.519703] ndisc_alloc_skb+0x144/0x340 [ 281.523767] ndisc_send_rs+0x331/0x6e0 [ 281.527658] addrconf_rs_timer+0x314/0x690 [ 281.531892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.536133] call_timer_fn+0x272/0x920 [ 281.540015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.544243] ? process_timeout+0x40/0x40 [ 281.548303] ? __run_timers+0x7da/0xc70 [ 281.552276] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.556777] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.561266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.565494] ? lockdep_hardirqs_on+0x296/0x5b0 [ 281.570078] ? trace_hardirqs_on+0xbd/0x310 [ 281.574394] ? kasan_check_read+0x11/0x20 [ 281.578533] ? __run_timers+0x7da/0xc70 [ 281.582502] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.587601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.591841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.596073] __run_timers+0x7e5/0xc70 [ 281.599884] ? timer_fixup_init+0x70/0x70 [ 281.604028] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.608613] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.613105] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 281.617681] ? trace_hardirqs_on+0xbd/0x310 [ 281.621995] ? kasan_check_read+0x11/0x20 [ 281.626138] ? finish_task_switch+0x1f4/0x910 [ 281.630631] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.636236] ? compat_start_thread+0x80/0x80 [ 281.640665] ? pvclock_read_flags+0x160/0x160 [ 281.645154] ? __switch_to_asm+0x34/0x70 [ 281.649210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.654746] ? check_preemption_disabled+0x48/0x280 [ 281.659768] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 281.665300] ? rcu_pm_notify+0xc0/0xc0 [ 281.669181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.674713] ? check_preemption_disabled+0x48/0x280 [ 281.679731] run_timer_softirq+0x52/0xb0 [ 281.683787] ? rcu_read_lock_sched_held+0x14f/0x180 [ 281.688805] __do_softirq+0x308/0xb7e [ 281.692622] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 281.697737] ? smpboot_thread_fn+0x334/0xa00 [ 281.702143] ? schedule+0x108/0x460 [ 281.705767] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.710525] ? trace_hardirqs_off+0xb8/0x310 [ 281.714931] ? smpboot_thread_fn+0x68b/0xa00 [ 281.719336] ? trace_hardirqs_on+0x310/0x310 [ 281.723738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.729358] ? check_preemption_disabled+0x48/0x280 [ 281.734372] ? takeover_tasklets+0xa90/0xa90 [ 281.738781] run_ksoftirqd+0x5e/0x100 [ 281.742581] smpboot_thread_fn+0x68b/0xa00 [ 281.746825] ? sort_range+0x30/0x30 [ 281.750449] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.755546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.761082] ? __kthread_parkme+0xfb/0x1a0 [ 281.765317] ? sort_range+0x30/0x30 [ 281.768937] kthread+0x35a/0x440 [ 281.772303] ? kthread_stop+0x900/0x900 [ 281.776271] ret_from_fork+0x3a/0x50 [ 281.779996] warn_alloc_show_mem: 1 callbacks suppressed [ 281.780005] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 281.780006] Mem-Info: [ 281.780037] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 281.780037] active_file:12 inactive_file:11 isolated_file:0 [ 281.780037] unevictable:0 dirty:0 writeback:0 unstable:0 [ 281.780037] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 281.780037] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 281.780037] free:13782 free_pcp:358 free_cma:0 [ 281.785370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.792291] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 281.794681] Call Trace: [ 281.827826] 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 [ 281.837169] [ 281.864728] lowmem_reserve[]: 0 2818 6321 6321 [ 281.867309] dump_stack+0x244/0x39d [ 281.893382] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 281.895525] ? dump_stack_print_info.cold.1+0x20/0x20 [ 281.900073] lowmem_reserve[]: 0 0 3503 3503 [ 281.903699] warn_alloc.cold.116+0xb7/0x1bd [ 281.931327] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 281.936514] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.940808] lowmem_reserve[]: 0 0 0 0 [ 281.945122] ? lock_downgrade+0x900/0x900 [ 281.974060] 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 [ 281.978900] ? trace_hardirqs_off+0xb8/0x310 [ 281.982666] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 281.986810] ? trace_hardirqs_off+0xb8/0x310 [ 282.000314] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 282.004719] __alloc_pages_slowpath+0x26e8/0x2e10 [ 282.019864] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 282.024279] ? warn_alloc+0x120/0x120 [ 282.039154] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 282.043981] ? print_usage_bug+0xc0/0xc0 [ 282.052794] 266 total pagecache pages [ 282.056591] ? warn_alloc+0x120/0x120 [ 282.065143] 0 pages in swap cache [ 282.069188] ? warn_alloc+0x120/0x120 [ 282.072960] Swap cache stats: add 0, delete 0, find 0/0 [ 282.076747] ? print_usage_bug+0xc0/0xc0 [ 282.080173] Free swap = 0kB [ 282.083960] ? kvm_clock_read+0x18/0x30 [ 282.089295] Total swap = 0kB [ 282.093343] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 282.096331] 1965979 pages RAM [ 282.100291] ? print_usage_bug+0xc0/0xc0 [ 282.103283] 0 pages HighMem/MovableOnly [ 282.108292] ? __lock_acquire+0x62f/0x4c20 [ 282.111367] 342854 pages reserved [ 282.115419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.119362] 0 pages cma reserved [ 282.123582] ? should_fail+0x22d/0xd01 [ 282.127063] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.132524] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.132542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.132558] ? __lock_acquire+0x62f/0x4c20 [ 282.135988] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.139784] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.146245] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 282.151522] ? __lock_acquire+0x62f/0x4c20 [ 282.151536] ? should_fail+0x22d/0xd01 [ 282.188938] ? rcu_irq_exit+0x1a2/0x390 [ 282.192918] ? mark_held_locks+0x130/0x130 [ 282.197151] ? mark_held_locks+0x130/0x130 [ 282.201385] ? mark_held_locks+0xc7/0x130 [ 282.205526] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 282.210534] ? zap_class+0x640/0x640 [ 282.214242] ? print_usage_bug+0xc0/0xc0 [ 282.218305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.223838] ? check_preemption_disabled+0x48/0x280 [ 282.228858] ? __lock_is_held+0xb5/0x140 [ 282.232922] __alloc_pages_nodemask+0xa80/0xde0 [ 282.237587] ? zap_class+0x640/0x640 [ 282.241307] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 282.246330] ? find_held_lock+0x36/0x1c0 [ 282.250404] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.255066] ? lock_downgrade+0x900/0x900 [ 282.259214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.264750] cache_grow_begin+0xa5/0x8c0 [ 282.268811] ? do_raw_spin_unlock+0xa7/0x330 [ 282.273224] fallback_alloc+0x204/0x2e0 [ 282.277202] ____cache_alloc_node+0x1c7/0x1e0 [ 282.281695] kmem_cache_alloc_node+0xe3/0x730 [ 282.286183] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.290425] __alloc_skb+0x119/0x770 [ 282.294132] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.299405] ? netdev_alloc_frag+0x1f0/0x1f0 [ 282.303817] ? lock_downgrade+0x900/0x900 [ 282.307965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.313499] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.318946] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.324392] ? addrconf_rs_timer+0x690/0x690 [ 282.328809] ndisc_alloc_skb+0x144/0x340 [ 282.332869] ndisc_send_rs+0x331/0x6e0 [ 282.336763] addrconf_rs_timer+0x314/0x690 [ 282.340998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.345238] call_timer_fn+0x272/0x920 [ 282.349118] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.353347] ? process_timeout+0x40/0x40 [ 282.357409] ? mark_held_locks+0xc7/0x130 [ 282.361552] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.366044] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.370533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.374769] ? lockdep_hardirqs_on+0x296/0x5b0 [ 282.379351] ? trace_hardirqs_on+0xbd/0x310 [ 282.383666] ? kasan_check_read+0x11/0x20 [ 282.387806] ? __run_timers+0x7da/0xc70 [ 282.391783] ? trace_hardirqs_off_caller+0x310/0x310 [ 282.396893] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.401125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.405351] __run_timers+0x7e5/0xc70 [ 282.409157] ? timer_fixup_init+0x70/0x70 [ 282.413303] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.418313] ? zap_class+0x640/0x640 [ 282.422025] ? print_usage_bug+0xc0/0xc0 [ 282.426083] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.431274] ? find_held_lock+0x36/0x1c0 [ 282.435343] ? zap_class+0x640/0x640 [ 282.439053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.444584] ? check_preemption_disabled+0x48/0x280 [ 282.449606] ? __lock_is_held+0xb5/0x140 [ 282.453662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.459195] ? check_preemption_disabled+0x48/0x280 [ 282.464208] run_timer_softirq+0x52/0xb0 [ 282.468267] ? rcu_read_lock_sched_held+0x14f/0x180 [ 282.473286] __do_softirq+0x308/0xb7e [ 282.477088] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 282.481575] ? lock_downgrade+0x900/0x900 [ 282.485719] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 282.490832] ? pvclock_read_flags+0x160/0x160 [ 282.495323] ? lapic_next_event+0x5a/0x90 [ 282.499471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.505007] ? kvm_clock_read+0x18/0x30 [ 282.508988] ? kvm_sched_clock_read+0x9/0x20 [ 282.513399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.518929] ? check_preemption_disabled+0x48/0x280 [ 282.523947] irq_exit+0x17f/0x1c0 [ 282.527396] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.532231] ? smp_reschedule_interrupt+0x109/0x650 [ 282.537244] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.543130] ? interrupt_entry+0xb5/0xc0 [ 282.547190] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.552199] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.557215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.562050] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.567059] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.572068] ? task_prio+0x50/0x50 [ 282.575602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.581132] ? check_preemption_disabled+0x48/0x280 [ 282.586154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.590998] apic_timer_interrupt+0xf/0x20 [ 282.595224] [ 282.597456] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 282.602467] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 282.621361] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 282.629060] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 282.636328] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 282.643588] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 282.650852] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 282.658117] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 282.665403] rcu_read_lock_held+0xa9/0xc0 [ 282.669549] css_next_child+0x2a2/0x620 [ 282.673521] ? cgroup_mount+0xd30/0xd30 [ 282.677496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.683032] ? check_preemption_disabled+0x48/0x280 [ 282.688050] ? __lock_is_held+0xb5/0x140 [ 282.692120] css_next_descendant_pre+0xeb/0x190 [ 282.696787] mem_cgroup_iter+0x42f/0x1160 [ 282.700937] ? kasan_check_write+0x14/0x20 [ 282.705171] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 282.709921] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.714943] ? shrink_slab+0xfa/0x8c0 [ 282.718746] ? shrink_active_list+0x1f00/0x1f00 [ 282.723420] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 282.729043] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 282.734146] ? cgroup_procs_write_finish+0xf0/0xf0 [ 282.739076] ? find_held_lock+0x36/0x1c0 [ 282.743130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.748662] ? vmpressure+0x1a2/0x340 [ 282.752460] shrink_node+0x516/0x16b0 [ 282.756263] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 282.761654] ? shrink_node_memcg+0x18f0/0x18f0 [ 282.766234] ? kvm_clock_read+0x18/0x30 [ 282.770204] ? ktime_get+0x2c1/0x400 [ 282.773914] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 282.778411] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 282.783966] ? __cpuset_node_allowed+0x19b/0x660 [ 282.788731] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 282.794454] ? delayacct_end+0x5a/0x100 [ 282.798430] do_try_to_free_pages+0x3e7/0x1290 [ 282.803008] ? zap_class+0x640/0x640 [ 282.806741] ? shrink_node+0x16b0/0x16b0 [ 282.810804] ? __lock_is_held+0xb5/0x140 [ 282.814875] try_to_free_pages+0x4d0/0xb90 [ 282.819110] ? do_try_to_free_pages+0x1290/0x1290 [ 282.823956] ? lock_acquire+0x1ed/0x520 [ 282.827930] ? set_page_refcounted+0x280/0x280 [ 282.832512] ? lock_release+0xa00/0xa00 [ 282.836480] ? _raw_spin_unlock_irq+0x60/0x80 [ 282.840971] ? psi_memstall_enter+0x240/0x2b0 [ 282.845468] ? psi_memstall_tick+0x230/0x230 [ 282.849882] __alloc_pages_slowpath+0xa14/0x2e10 [ 282.854659] ? warn_alloc+0x120/0x120 [ 282.858454] ? mark_held_locks+0x130/0x130 [ 282.862687] ? find_get_entry+0xaae/0x1120 [ 282.866950] ? filemap_map_pages+0x1a20/0x1a20 [ 282.871536] ? zap_class+0x640/0x640 [ 282.875255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.880790] ? check_preemption_disabled+0x48/0x280 [ 282.885805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.891335] ? should_fail+0x22d/0xd01 [ 282.895219] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.900320] ? zap_class+0x640/0x640 [ 282.904048] ? __lock_is_held+0xb5/0x140 [ 282.908111] ? mark_held_locks+0x130/0x130 [ 282.912343] ? lock_release+0xa00/0xa00 [ 282.916314] ? perf_trace_sched_process_exec+0x860/0x860 [ 282.921761] ? xa_load+0x2ba/0x460 [ 282.925296] ? lock_downgrade+0x900/0x900 [ 282.929442] ? __might_sleep+0x95/0x190 [ 282.933417] __alloc_pages_nodemask+0xa80/0xde0 [ 282.938084] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 282.943101] ? __page_cache_alloc+0x191/0x5c0 [ 282.947589] ? xa_load+0x2e1/0x460 [ 282.951125] ? xa_clear_mark+0x40/0x40 [ 282.955009] ? zap_class+0x640/0x640 [ 282.958733] ? zap_class+0x640/0x640 [ 282.962444] ? zap_class+0x640/0x640 [ 282.966150] ? __do_page_cache_readahead+0x663/0x810 [ 282.971254] ? find_held_lock+0x36/0x1c0 [ 282.975314] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 282.980855] alloc_pages_current+0x173/0x350 [ 282.985270] __page_cache_alloc+0x38c/0x5c0 [ 282.989583] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 282.994507] ? kasan_check_read+0x11/0x20 [ 282.998661] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.003936] ? generic_perform_write+0x6a0/0x6a0 [ 283.008692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.014235] ? check_preemption_disabled+0x48/0x280 [ 283.019253] filemap_fault+0x1595/0x25f0 [ 283.023319] ? __lock_page_or_retry+0xa00/0xa00 [ 283.027988] ? mark_held_locks+0x130/0x130 [ 283.032238] ? filemap_map_pages+0xd6b/0x1a20 [ 283.036728] ? lock_downgrade+0x900/0x900 [ 283.040875] ? check_preemption_disabled+0x48/0x280 [ 283.045890] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 283.050816] ? kasan_check_read+0x11/0x20 [ 283.054961] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.060234] ? rcu_softirq_qs+0x20/0x20 [ 283.064212] ? filemap_map_pages+0xd92/0x1a20 [ 283.068718] ? print_usage_bug+0xc0/0xc0 [ 283.072778] ? find_get_entries_tag+0x1400/0x1400 [ 283.077617] ? __kasan_slab_free+0x102/0x150 [ 283.082019] ? kasan_slab_free+0xe/0x10 [ 283.085993] ? kmem_cache_free+0x83/0x290 [ 283.090132] ? __sigqueue_free.part.29+0x74/0x90 [ 283.094898] ? lock_acquire+0x1ed/0x520 [ 283.098869] ? ext4_filemap_fault+0x7a/0xad [ 283.103193] ? lock_release+0xa00/0xa00 [ 283.107168] ? perf_trace_sched_process_exec+0x860/0x860 [ 283.112611] ? print_usage_bug+0xc0/0xc0 [ 283.116668] ? print_usage_bug+0xc0/0xc0 [ 283.120740] ? down_read+0x8d/0x120 [ 283.124357] ? ext4_filemap_fault+0x7a/0xad [ 283.128673] ? __down_interruptible+0x700/0x700 [ 283.133352] ext4_filemap_fault+0x82/0xad [ 283.137494] __do_fault+0x100/0x6b0 [ 283.141118] ? pmd_devmap_trans_unstable+0x220/0x220 [ 283.146227] ? mark_held_locks+0x130/0x130 [ 283.150458] ? mark_held_locks+0x130/0x130 [ 283.154697] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 283.160236] ? rcu_pm_notify+0xc0/0xc0 [ 283.164134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.169669] __handle_mm_fault+0x3ea0/0x5be0 [ 283.174085] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 283.178920] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.183410] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 283.187990] ? trace_hardirqs_on+0xbd/0x310 [ 283.192304] ? kasan_check_read+0x11/0x20 [ 283.196443] ? __set_current_blocked+0xdf/0x120 [ 283.201109] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.206223] ? zap_class+0x640/0x640 [ 283.209934] ? zap_class+0x640/0x640 [ 283.213647] ? find_held_lock+0x36/0x1c0 [ 283.217719] ? handle_mm_fault+0x42a/0xc70 [ 283.221953] ? lock_downgrade+0x900/0x900 [ 283.226093] ? check_preemption_disabled+0x48/0x280 [ 283.231108] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 283.236033] ? kasan_check_read+0x11/0x20 [ 283.240177] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.245538] ? rcu_softirq_qs+0x20/0x20 [ 283.249510] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.254611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.260142] ? check_preemption_disabled+0x48/0x280 [ 283.265157] handle_mm_fault+0x54f/0xc70 [ 283.269224] ? __handle_mm_fault+0x5be0/0x5be0 [ 283.273804] ? find_vma+0x34/0x190 [ 283.277344] __do_page_fault+0x5e8/0xe60 [ 283.281403] ? exit_to_usermode_loop+0x1f4/0x380 [ 283.286163] do_page_fault+0xf2/0x7e0 [ 283.289961] ? vmalloc_sync_all+0x30/0x30 [ 283.294189] ? error_entry+0x70/0xd0 [ 283.297904] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.302911] ? trace_hardirqs_on_caller+0xc0/0x310 [ 283.307839] ? syscall_return_slowpath+0x5e0/0x5e0 [ 283.312769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.317607] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.322615] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.328068] ? prepare_exit_to_usermode+0x291/0x3b0 [ 283.333077] ? page_fault+0x8/0x30 [ 283.336617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.341458] ? page_fault+0x8/0x30 [ 283.344993] page_fault+0x1e/0x30 [ 283.348436] RIP: 0033:0x45db60 [ 283.351634] Code: Bad RIP value. [ 283.354994] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 283.360349] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 283.367610] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 283.374875] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 283.382135] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 283.389401] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 283.396701] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 283.396756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.403444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.403448] Call Trace: [ 283.403466] dump_stack+0x244/0x39d [ 283.403485] ? dump_stack_print_info.cold.1+0x20/0x20 [ 283.410001] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.419304] warn_alloc.cold.116+0xb7/0x1bd [ 283.421854] syz-fuzzer cpuset=/ mems_allowed=0 [ 283.425465] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.454966] ? lock_downgrade+0x900/0x900 [ 283.459116] ? trace_hardirqs_off+0xb8/0x310 [ 283.463523] ? trace_hardirqs_off+0xb8/0x310 [ 283.467931] __alloc_pages_slowpath+0x26e8/0x2e10 [ 283.472791] ? warn_alloc+0x120/0x120 [ 283.476591] ? print_usage_bug+0xc0/0xc0 [ 283.480650] ? warn_alloc+0x120/0x120 [ 283.484456] ? warn_alloc+0x120/0x120 [ 283.488250] ? print_usage_bug+0xc0/0xc0 [ 283.492308] ? print_usage_bug+0xc0/0xc0 [ 283.496365] ? __lock_acquire+0x62f/0x4c20 [ 283.500602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.506134] ? should_fail+0x22d/0xd01 [ 283.510019] ? __lock_acquire+0x62f/0x4c20 [ 283.514254] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.519355] ? __lock_acquire+0x62f/0x4c20 [ 283.523593] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.528699] ? __lock_acquire+0x62f/0x4c20 [ 283.532927] ? should_fail+0x22d/0xd01 [ 283.536820] ? mark_held_locks+0x130/0x130 [ 283.541055] ? mark_held_locks+0x130/0x130 [ 283.545286] ? lock_downgrade+0x900/0x900 [ 283.549431] ? zap_class+0x640/0x640 [ 283.553227] ? print_usage_bug+0xc0/0xc0 [ 283.557281] ? trace_hardirqs_off+0xb8/0x310 [ 283.561687] ? kasan_check_read+0x11/0x20 [ 283.565836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.571367] ? check_preemption_disabled+0x48/0x280 [ 283.576389] ? __lock_is_held+0xb5/0x140 [ 283.580455] __alloc_pages_nodemask+0xa80/0xde0 [ 283.585118] ? zap_class+0x640/0x640 [ 283.588829] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 283.593849] ? find_held_lock+0x36/0x1c0 [ 283.597910] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.602578] ? lock_downgrade+0x900/0x900 [ 283.606732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.612267] cache_grow_begin+0xa5/0x8c0 [ 283.616325] ? do_raw_spin_unlock+0xa7/0x330 [ 283.620742] fallback_alloc+0x204/0x2e0 [ 283.624722] ____cache_alloc_node+0x1c7/0x1e0 [ 283.629217] kmem_cache_alloc_node+0xe3/0x730 [ 283.634147] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.638387] __alloc_skb+0x119/0x770 [ 283.642095] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.647368] ? netdev_alloc_frag+0x1f0/0x1f0 [ 283.651774] ? lock_downgrade+0x900/0x900 [ 283.655921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.661453] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.666900] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.672345] ? addrconf_rs_timer+0x690/0x690 [ 283.676761] ndisc_alloc_skb+0x144/0x340 [ 283.680821] ndisc_send_rs+0x331/0x6e0 [ 283.684712] addrconf_rs_timer+0x314/0x690 [ 283.688944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.693183] call_timer_fn+0x272/0x920 [ 283.697067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.701299] ? process_timeout+0x40/0x40 [ 283.705360] ? __run_timers+0x7da/0xc70 [ 283.709328] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.713815] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.718307] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.722542] ? lockdep_hardirqs_on+0x296/0x5b0 [ 283.727120] ? trace_hardirqs_on+0xbd/0x310 [ 283.731436] ? kasan_check_read+0x11/0x20 [ 283.735581] ? __run_timers+0x7da/0xc70 [ 283.739552] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.744680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.748908] __run_timers+0x7e5/0xc70 [ 283.752712] ? timer_fixup_init+0x70/0x70 [ 283.756854] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.761343] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.765836] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 283.770411] ? trace_hardirqs_on+0xbd/0x310 [ 283.774726] ? kasan_check_read+0x11/0x20 [ 283.778871] ? finish_task_switch+0x1f4/0x910 [ 283.783453] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.788547] ? compat_start_thread+0x80/0x80 [ 283.792972] ? pvclock_read_flags+0x160/0x160 [ 283.797458] ? __switch_to_asm+0x34/0x70 [ 283.801904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.807443] ? check_preemption_disabled+0x48/0x280 [ 283.812461] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 283.817993] ? rcu_pm_notify+0xc0/0xc0 [ 283.821877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.827411] ? check_preemption_disabled+0x48/0x280 [ 283.832428] run_timer_softirq+0x52/0xb0 [ 283.836484] ? rcu_read_lock_sched_held+0x14f/0x180 [ 283.841495] __do_softirq+0x308/0xb7e [ 283.845302] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 283.850409] ? smpboot_thread_fn+0x334/0xa00 [ 283.854816] ? schedule+0x108/0x460 [ 283.858441] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 283.863199] ? trace_hardirqs_off+0xb8/0x310 [ 283.867600] ? smpboot_thread_fn+0x68b/0xa00 [ 283.872016] ? trace_hardirqs_on+0x310/0x310 [ 283.876419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.881951] ? check_preemption_disabled+0x48/0x280 [ 283.886965] ? takeover_tasklets+0xa90/0xa90 [ 283.891371] run_ksoftirqd+0x5e/0x100 [ 283.895163] smpboot_thread_fn+0x68b/0xa00 [ 283.899393] ? sort_range+0x30/0x30 [ 283.903015] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.908118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.913656] ? __kthread_parkme+0xfb/0x1a0 [ 283.917892] ? sort_range+0x30/0x30 [ 283.921514] kthread+0x35a/0x440 [ 283.924873] ? kthread_stop+0x900/0x900 [ 283.928842] ret_from_fork+0x3a/0x50 [ 283.932576] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 283.932581] warn_alloc_show_mem: 1 callbacks suppressed [ 283.932587] Mem-Info: [ 283.939505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.945290] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 283.945290] active_file:12 inactive_file:11 isolated_file:0 [ 283.945290] unevictable:0 dirty:0 writeback:0 unstable:0 [ 283.945290] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 283.945290] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 283.945290] free:13782 free_pcp:358 free_cma:0 [ 283.947654] Call Trace: [ 283.947663] [ 283.957033] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 283.989877] dump_stack+0x244/0x39d [ 283.992429] 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 [ 283.994571] ? dump_stack_print_info.cold.1+0x20/0x20 [ 284.022046] lowmem_reserve[]: 0 2818 6321 6321 [ 284.025678] warn_alloc.cold.116+0xb7/0x1bd [ 284.051751] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 284.056933] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.061482] lowmem_reserve[]: 0 0 3503 3503 [ 284.065796] ? lock_downgrade+0x900/0x900 [ 284.093436] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 284.098274] ? trace_hardirqs_off+0xb8/0x310 [ 284.102561] lowmem_reserve[]: 0 0 0 0 [ 284.106699] ? trace_hardirqs_off+0xb8/0x310 [ 284.135641] 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 [ 284.140045] __alloc_pages_slowpath+0x26e8/0x2e10 [ 284.143817] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 284.148239] ? warn_alloc+0x120/0x120 [ 284.161707] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 284.166550] ? print_usage_bug+0xc0/0xc0 [ 284.181785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 284.185568] ? warn_alloc+0x120/0x120 [ 284.200454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 284.204498] ? warn_alloc+0x120/0x120 [ 284.213310] 266 total pagecache pages [ 284.217097] ? print_usage_bug+0xc0/0xc0 [ 284.225659] 0 pages in swap cache [ 284.229440] ? print_usage_bug+0xc0/0xc0 [ 284.233215] Swap cache stats: add 0, delete 0, find 0/0 [ 284.237256] ? __lock_acquire+0x62f/0x4c20 [ 284.240679] Free swap = 0kB [ 284.244729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.250063] Total swap = 0kB [ 284.254282] ? should_fail+0x22d/0xd01 [ 284.257274] 1965979 pages RAM [ 284.262799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.265789] 0 pages HighMem/MovableOnly [ 284.269665] ? __lock_acquire+0x62f/0x4c20 [ 284.272743] 342854 pages reserved [ 284.277831] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.281777] 0 pages cma reserved [ 284.286000] ? __lock_acquire+0x62f/0x4c20 [ 284.289499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.294508] ? should_fail+0x22d/0xd01 [ 284.294523] ? find_held_lock+0x36/0x1c0 [ 284.294545] ? mark_held_locks+0x130/0x130 [ 284.297967] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.302106] ? mark_held_locks+0x130/0x130 [ 284.308569] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 284.312445] ? zap_class+0x640/0x640 [ 284.312460] ? zap_class+0x640/0x640 [ 284.347271] ? print_usage_bug+0xc0/0xc0 [ 284.351328] ? do_raw_spin_unlock+0xa7/0x330 [ 284.355730] ? zap_class+0x640/0x640 [ 284.359437] ? print_usage_bug+0xc0/0xc0 [ 284.363494] ? wq_watchdog_touch+0x9c/0xfe [ 284.367727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.373260] ? check_preemption_disabled+0x48/0x280 [ 284.378281] ? __lock_is_held+0xb5/0x140 [ 284.382347] __alloc_pages_nodemask+0xa80/0xde0 [ 284.387018] ? zap_class+0x640/0x640 [ 284.390733] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 284.395756] ? find_held_lock+0x36/0x1c0 [ 284.399823] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.404488] ? lock_downgrade+0x900/0x900 [ 284.408639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.414174] cache_grow_begin+0xa5/0x8c0 [ 284.418234] ? do_raw_spin_unlock+0xa7/0x330 [ 284.422648] fallback_alloc+0x204/0x2e0 [ 284.426624] ____cache_alloc_node+0x1c7/0x1e0 [ 284.431122] kmem_cache_alloc_node+0xe3/0x730 [ 284.435621] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.439858] __alloc_skb+0x119/0x770 [ 284.443564] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 284.448849] ? netdev_alloc_frag+0x1f0/0x1f0 [ 284.453250] ? lock_downgrade+0x900/0x900 [ 284.457403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.462941] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.468392] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.473835] ? addrconf_rs_timer+0x690/0x690 [ 284.478251] ndisc_alloc_skb+0x144/0x340 [ 284.482316] ndisc_send_rs+0x331/0x6e0 [ 284.486204] addrconf_rs_timer+0x314/0x690 [ 284.490436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.494678] call_timer_fn+0x272/0x920 [ 284.498561] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.502798] ? process_timeout+0x40/0x40 [ 284.506864] ? mark_held_locks+0xc7/0x130 [ 284.511008] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.515499] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.519985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.524212] ? lockdep_hardirqs_on+0x296/0x5b0 [ 284.528794] ? trace_hardirqs_on+0xbd/0x310 [ 284.533117] ? kasan_check_read+0x11/0x20 [ 284.537262] ? __run_timers+0x7da/0xc70 [ 284.541230] ? trace_hardirqs_off_caller+0x310/0x310 [ 284.546331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.550576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.554806] __run_timers+0x7e5/0xc70 [ 284.558616] ? timer_fixup_init+0x70/0x70 [ 284.562759] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.567771] ? zap_class+0x640/0x640 [ 284.571482] ? print_usage_bug+0xc0/0xc0 [ 284.575541] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.580734] ? find_held_lock+0x36/0x1c0 [ 284.584796] ? zap_class+0x640/0x640 [ 284.588509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.594230] ? check_preemption_disabled+0x48/0x280 [ 284.599247] ? __lock_is_held+0xb5/0x140 [ 284.603301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.608832] ? check_preemption_disabled+0x48/0x280 [ 284.613845] run_timer_softirq+0x52/0xb0 [ 284.617902] ? rcu_read_lock_sched_held+0x14f/0x180 [ 284.622917] __do_softirq+0x308/0xb7e [ 284.626725] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 284.631212] ? lock_downgrade+0x900/0x900 [ 284.635359] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 284.640462] ? pvclock_read_flags+0x160/0x160 [ 284.644956] ? lapic_next_event+0x5a/0x90 [ 284.649107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.654641] ? kvm_clock_read+0x18/0x30 [ 284.658614] ? kvm_sched_clock_read+0x9/0x20 [ 284.663021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.668559] ? check_preemption_disabled+0x48/0x280 [ 284.673582] irq_exit+0x17f/0x1c0 [ 284.677031] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.681865] ? smp_reschedule_interrupt+0x109/0x650 [ 284.686876] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.692752] ? interrupt_entry+0xb5/0xc0 [ 284.696808] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.701816] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.706830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.711672] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.716682] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.721707] ? task_prio+0x50/0x50 [ 284.725247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.730780] ? check_preemption_disabled+0x48/0x280 [ 284.735797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.740651] apic_timer_interrupt+0xf/0x20 [ 284.744884] [ 284.747121] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 284.752135] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 284.771029] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 284.778741] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 284.786005] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 284.793272] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 284.800535] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 284.807805] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 284.815104] rcu_read_lock_held+0xa9/0xc0 [ 284.819249] css_next_child+0x2a2/0x620 [ 284.823224] ? cgroup_mount+0xd30/0xd30 [ 284.827195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.832727] ? check_preemption_disabled+0x48/0x280 [ 284.837747] ? __lock_is_held+0xb5/0x140 [ 284.841814] css_next_descendant_pre+0xeb/0x190 [ 284.846480] mem_cgroup_iter+0x42f/0x1160 [ 284.850623] ? kasan_check_write+0x14/0x20 [ 284.854858] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 284.859606] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.864621] ? shrink_slab+0xfa/0x8c0 [ 284.868415] ? shrink_active_list+0x1f00/0x1f00 [ 284.873091] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 284.878722] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.883825] ? cgroup_procs_write_finish+0xf0/0xf0 [ 284.888758] ? find_held_lock+0x36/0x1c0 [ 284.892825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.898358] ? vmpressure+0x1a2/0x340 [ 284.902158] shrink_node+0x516/0x16b0 [ 284.905955] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 284.911253] ? shrink_node_memcg+0x18f0/0x18f0 [ 284.915834] ? kvm_clock_read+0x18/0x30 [ 284.919807] ? ktime_get+0x2c1/0x400 [ 284.923520] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 284.928018] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.933554] ? __cpuset_node_allowed+0x19b/0x660 [ 284.938307] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 284.944016] ? delayacct_end+0x5a/0x100 [ 284.947992] do_try_to_free_pages+0x3e7/0x1290 [ 284.952570] ? zap_class+0x640/0x640 [ 284.956294] ? shrink_node+0x16b0/0x16b0 [ 284.960355] ? __lock_is_held+0xb5/0x140 [ 284.964425] try_to_free_pages+0x4d0/0xb90 [ 284.968659] ? do_try_to_free_pages+0x1290/0x1290 [ 284.973507] ? lock_acquire+0x1ed/0x520 [ 284.977481] ? set_page_refcounted+0x280/0x280 [ 284.982060] ? lock_release+0xa00/0xa00 [ 284.986033] ? _raw_spin_unlock_irq+0x60/0x80 [ 284.990533] ? psi_memstall_enter+0x240/0x2b0 [ 284.995023] ? psi_memstall_tick+0x230/0x230 [ 284.999435] __alloc_pages_slowpath+0xa14/0x2e10 [ 285.004209] ? warn_alloc+0x120/0x120 [ 285.008008] ? mark_held_locks+0x130/0x130 [ 285.012241] ? find_get_entry+0xaae/0x1120 [ 285.016480] ? filemap_map_pages+0x1a20/0x1a20 [ 285.021065] ? zap_class+0x640/0x640 [ 285.024789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.030321] ? check_preemption_disabled+0x48/0x280 [ 285.035332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.040866] ? should_fail+0x22d/0xd01 [ 285.044755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.049856] ? zap_class+0x640/0x640 [ 285.053586] ? __lock_is_held+0xb5/0x140 [ 285.057650] ? mark_held_locks+0x130/0x130 [ 285.061886] ? lock_release+0xa00/0xa00 [ 285.065860] ? perf_trace_sched_process_exec+0x860/0x860 [ 285.071302] ? xa_load+0x2ba/0x460 [ 285.074837] ? lock_downgrade+0x900/0x900 [ 285.078987] ? __might_sleep+0x95/0x190 [ 285.082962] __alloc_pages_nodemask+0xa80/0xde0 [ 285.087632] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 285.092647] ? __page_cache_alloc+0x191/0x5c0 [ 285.097136] ? xa_load+0x2e1/0x460 [ 285.100673] ? xa_clear_mark+0x40/0x40 [ 285.104559] ? zap_class+0x640/0x640 [ 285.108281] ? zap_class+0x640/0x640 [ 285.111989] ? zap_class+0x640/0x640 [ 285.115699] ? __do_page_cache_readahead+0x663/0x810 [ 285.120821] ? find_held_lock+0x36/0x1c0 [ 285.124881] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 285.130419] alloc_pages_current+0x173/0x350 [ 285.134831] __page_cache_alloc+0x38c/0x5c0 [ 285.139144] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 285.144068] ? kasan_check_read+0x11/0x20 [ 285.148210] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.153483] ? generic_perform_write+0x6a0/0x6a0 [ 285.158243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.163775] ? check_preemption_disabled+0x48/0x280 [ 285.168795] filemap_fault+0x1595/0x25f0 [ 285.172864] ? __lock_page_or_retry+0xa00/0xa00 [ 285.177536] ? mark_held_locks+0x130/0x130 [ 285.181783] ? filemap_map_pages+0xd6b/0x1a20 [ 285.186274] ? lock_downgrade+0x900/0x900 [ 285.190417] ? check_preemption_disabled+0x48/0x280 [ 285.195431] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 285.200358] ? kasan_check_read+0x11/0x20 [ 285.204498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.209778] ? rcu_softirq_qs+0x20/0x20 [ 285.213757] ? filemap_map_pages+0xd92/0x1a20 [ 285.218254] ? print_usage_bug+0xc0/0xc0 [ 285.222319] ? find_get_entries_tag+0x1400/0x1400 [ 285.227164] ? __kasan_slab_free+0x102/0x150 [ 285.231572] ? kasan_slab_free+0xe/0x10 [ 285.235542] ? kmem_cache_free+0x83/0x290 [ 285.239690] ? __sigqueue_free.part.29+0x74/0x90 [ 285.244564] ? lock_acquire+0x1ed/0x520 [ 285.248535] ? ext4_filemap_fault+0x7a/0xad [ 285.252859] ? lock_release+0xa00/0xa00 [ 285.256828] ? perf_trace_sched_process_exec+0x860/0x860 [ 285.262277] ? print_usage_bug+0xc0/0xc0 [ 285.266333] ? print_usage_bug+0xc0/0xc0 [ 285.270397] ? down_read+0x8d/0x120 [ 285.274019] ? ext4_filemap_fault+0x7a/0xad [ 285.278340] ? __down_interruptible+0x700/0x700 [ 285.283013] ext4_filemap_fault+0x82/0xad [ 285.287159] __do_fault+0x100/0x6b0 [ 285.290788] ? pmd_devmap_trans_unstable+0x220/0x220 [ 285.295913] ? mark_held_locks+0x130/0x130 [ 285.300145] ? mark_held_locks+0x130/0x130 [ 285.304375] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 285.309913] ? rcu_pm_notify+0xc0/0xc0 [ 285.313805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.319341] __handle_mm_fault+0x3ea0/0x5be0 [ 285.323756] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 285.328589] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.333082] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 285.337661] ? trace_hardirqs_on+0xbd/0x310 [ 285.341981] ? kasan_check_read+0x11/0x20 [ 285.346124] ? __set_current_blocked+0xdf/0x120 [ 285.350789] ? trace_hardirqs_off_caller+0x310/0x310 [ 285.355896] ? zap_class+0x640/0x640 [ 285.359607] ? zap_class+0x640/0x640 [ 285.363321] ? find_held_lock+0x36/0x1c0 [ 285.367385] ? handle_mm_fault+0x42a/0xc70 [ 285.371615] ? lock_downgrade+0x900/0x900 [ 285.375757] ? check_preemption_disabled+0x48/0x280 [ 285.380769] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 285.385694] ? kasan_check_read+0x11/0x20 [ 285.389837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.395108] ? rcu_softirq_qs+0x20/0x20 [ 285.399076] ? trace_hardirqs_off_caller+0x310/0x310 [ 285.404173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.409705] ? check_preemption_disabled+0x48/0x280 [ 285.414722] handle_mm_fault+0x54f/0xc70 [ 285.418785] ? __handle_mm_fault+0x5be0/0x5be0 [ 285.423365] ? find_vma+0x34/0x190 [ 285.426909] __do_page_fault+0x5e8/0xe60 [ 285.430965] ? exit_to_usermode_loop+0x1f4/0x380 [ 285.435731] do_page_fault+0xf2/0x7e0 [ 285.439529] ? vmalloc_sync_all+0x30/0x30 [ 285.443671] ? error_entry+0x70/0xd0 [ 285.447393] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.452403] ? trace_hardirqs_on_caller+0xc0/0x310 [ 285.457325] ? syscall_return_slowpath+0x5e0/0x5e0 [ 285.462249] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.467259] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.472269] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.477721] ? prepare_exit_to_usermode+0x291/0x3b0 [ 285.482747] ? page_fault+0x8/0x30 [ 285.486285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.491137] ? page_fault+0x8/0x30 [ 285.494672] page_fault+0x1e/0x30 [ 285.498121] RIP: 0033:0x45db60 [ 285.501317] Code: Bad RIP value. [ 285.504685] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 285.510043] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 285.517305] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 285.524573] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 285.531838] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 285.539098] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 285.546386] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 285.546447] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.553132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.553136] Call Trace: [ 285.553154] dump_stack+0x244/0x39d [ 285.553172] ? dump_stack_print_info.cold.1+0x20/0x20 [ 285.559698] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.568986] warn_alloc.cold.116+0xb7/0x1bd [ 285.571535] syz-fuzzer cpuset=/ mems_allowed=0 [ 285.575147] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.604411] ? lock_downgrade+0x900/0x900 [ 285.608563] ? trace_hardirqs_off+0xb8/0x310 [ 285.612971] ? trace_hardirqs_off+0xb8/0x310 [ 285.617380] __alloc_pages_slowpath+0x26e8/0x2e10 [ 285.622255] ? warn_alloc+0x120/0x120 [ 285.626057] ? warn_alloc+0x120/0x120 [ 285.629859] ? warn_alloc+0x120/0x120 [ 285.634165] ? print_usage_bug+0xc0/0xc0 [ 285.638225] ? print_usage_bug+0xc0/0xc0 [ 285.642283] ? __bfs+0x321/0x780 [ 285.645656] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.651188] ? should_fail+0x22d/0xd01 [ 285.655069] ? __lock_acquire+0x62f/0x4c20 [ 285.659301] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.664397] ? __lock_acquire+0x62f/0x4c20 [ 285.668732] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.673826] ? __lock_acquire+0x62f/0x4c20 [ 285.678052] ? should_fail+0x22d/0xd01 [ 285.681943] ? mark_held_locks+0x130/0x130 [ 285.686179] ? mark_held_locks+0x130/0x130 [ 285.690417] ? mark_held_locks+0x130/0x130 [ 285.694646] ? zap_class+0x640/0x640 [ 285.698352] ? print_usage_bug+0xc0/0xc0 [ 285.702411] ? mark_held_locks+0x130/0x130 [ 285.706645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.712182] ? check_preemption_disabled+0x48/0x280 [ 285.717200] ? __lock_is_held+0xb5/0x140 [ 285.721260] __alloc_pages_nodemask+0xa80/0xde0 [ 285.725926] ? zap_class+0x640/0x640 [ 285.729653] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 285.734675] ? find_held_lock+0x36/0x1c0 [ 285.738738] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.743400] ? lock_downgrade+0x900/0x900 [ 285.747550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.753086] cache_grow_begin+0xa5/0x8c0 [ 285.757139] ? do_raw_spin_unlock+0xa7/0x330 [ 285.761723] fallback_alloc+0x204/0x2e0 [ 285.765697] ____cache_alloc_node+0x1c7/0x1e0 [ 285.770190] kmem_cache_alloc_node+0xe3/0x730 [ 285.774684] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.778926] __alloc_skb+0x119/0x770 [ 285.782635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.787907] ? netdev_alloc_frag+0x1f0/0x1f0 [ 285.792313] ? lock_downgrade+0x900/0x900 [ 285.796470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.802339] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.807789] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.813235] ? addrconf_rs_timer+0x690/0x690 [ 285.817652] ndisc_alloc_skb+0x144/0x340 [ 285.821714] ndisc_send_rs+0x331/0x6e0 [ 285.825601] addrconf_rs_timer+0x314/0x690 [ 285.829838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.834078] call_timer_fn+0x272/0x920 [ 285.837958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.842185] ? process_timeout+0x40/0x40 [ 285.846251] ? __run_timers+0x7da/0xc70 [ 285.850225] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.854717] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.859203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.863432] ? lockdep_hardirqs_on+0x296/0x5b0 [ 285.868016] ? trace_hardirqs_on+0xbd/0x310 [ 285.872331] ? kasan_check_read+0x11/0x20 [ 285.876477] ? __run_timers+0x7da/0xc70 [ 285.880457] ? trace_hardirqs_off_caller+0x310/0x310 [ 285.885571] ? tcp_compressed_ack_kick+0x220/0x220 [ 285.890504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.894732] __run_timers+0x7e5/0xc70 [ 285.898540] ? timer_fixup_init+0x70/0x70 [ 285.902685] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.907175] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.911663] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 285.916241] ? trace_hardirqs_on+0xbd/0x310 [ 285.920555] ? kasan_check_read+0x11/0x20 [ 285.924697] ? finish_task_switch+0x1f4/0x910 [ 285.929190] ? trace_hardirqs_off_caller+0x310/0x310 [ 285.934287] ? compat_start_thread+0x80/0x80 [ 285.938711] ? pvclock_read_flags+0x160/0x160 [ 285.943198] ? __switch_to_asm+0x34/0x70 [ 285.947259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.952790] ? check_preemption_disabled+0x48/0x280 [ 285.957810] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 285.963346] ? rcu_pm_notify+0xc0/0xc0 [ 285.967232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.972764] ? check_preemption_disabled+0x48/0x280 [ 285.977779] run_timer_softirq+0x52/0xb0 [ 285.981837] ? rcu_read_lock_sched_held+0x14f/0x180 [ 285.986848] __do_softirq+0x308/0xb7e [ 285.990651] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 285.995749] ? smpboot_thread_fn+0x334/0xa00 [ 286.000159] ? schedule+0x108/0x460 [ 286.003787] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.008546] ? trace_hardirqs_off+0xb8/0x310 [ 286.012947] ? smpboot_thread_fn+0x68b/0xa00 [ 286.017349] ? trace_hardirqs_on+0x310/0x310 [ 286.021754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.027285] ? check_preemption_disabled+0x48/0x280 [ 286.032300] ? takeover_tasklets+0xa90/0xa90 [ 286.036704] run_ksoftirqd+0x5e/0x100 [ 286.040500] smpboot_thread_fn+0x68b/0xa00 [ 286.044732] ? sort_range+0x30/0x30 [ 286.048352] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 286.053464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.059000] ? __kthread_parkme+0xfb/0x1a0 [ 286.063234] ? sort_range+0x30/0x30 [ 286.066857] kthread+0x35a/0x440 [ 286.070217] ? kthread_stop+0x900/0x900 [ 286.074194] ret_from_fork+0x3a/0x50 [ 286.077917] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 286.077922] warn_alloc_show_mem: 1 callbacks suppressed [ 286.077928] Mem-Info: [ 286.084843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.090205] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 286.090205] active_file:12 inactive_file:11 isolated_file:0 [ 286.090205] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.090205] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 286.090205] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 286.090205] free:13782 free_pcp:358 free_cma:0 [ 286.092567] Call Trace: [ 286.092575] [ 286.101953] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.134811] dump_stack+0x244/0x39d [ 286.137368] 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 [ 286.139525] ? dump_stack_print_info.cold.1+0x20/0x20 [ 286.167167] lowmem_reserve[]: 0 2818 6321 6321 [ 286.170795] warn_alloc.cold.116+0xb7/0x1bd [ 286.196897] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 286.202078] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.206623] lowmem_reserve[]: 0 0 3503 3503 [ 286.210940] ? lock_downgrade+0x900/0x900 [ 286.238666] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 286.243502] ? trace_hardirqs_off+0xb8/0x310 [ 286.247783] lowmem_reserve[]: 0 0 0 0 [ 286.251927] ? trace_hardirqs_off+0xb8/0x310 [ 286.280960] 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 [ 286.285367] __alloc_pages_slowpath+0x26e8/0x2e10 [ 286.289134] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 286.293553] ? warn_alloc+0x120/0x120 [ 286.307024] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 286.311858] ? print_usage_bug+0xc0/0xc0 [ 286.327005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 286.330785] ? warn_alloc+0x120/0x120 [ 286.345673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 286.349718] ? warn_alloc+0x120/0x120 [ 286.358520] 266 total pagecache pages [ 286.362305] ? print_usage_bug+0xc0/0xc0 [ 286.370856] 0 pages in swap cache [ 286.374639] ? print_usage_bug+0xc0/0xc0 [ 286.378420] Swap cache stats: add 0, delete 0, find 0/0 [ 286.382464] ? __lock_acquire+0x62f/0x4c20 [ 286.385891] Free swap = 0kB [ 286.389947] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.395277] Total swap = 0kB [ 286.399498] ? should_fail+0x22d/0xd01 [ 286.402485] 1965979 pages RAM [ 286.408009] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.410996] 0 pages HighMem/MovableOnly [ 286.414871] ? __lock_acquire+0x62f/0x4c20 [ 286.417942] 342854 pages reserved [ 286.417950] 0 pages cma reserved [ 286.423045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.427047] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 286.431203] ? __lock_acquire+0x62f/0x4c20 [ 286.431218] ? should_fail+0x22d/0xd01 [ 286.434717] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 286.438006] ? mark_held_locks+0x130/0x130 [ 286.443074] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 286.449553] ? mark_held_locks+0x130/0x130 [ 286.481014] ? zap_class+0x640/0x640 [ 286.484728] ? zap_class+0x640/0x640 [ 286.488434] ? print_usage_bug+0xc0/0xc0 [ 286.492490] ? wq_watchdog_touch+0x9c/0xfe [ 286.496721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.502254] ? check_preemption_disabled+0x48/0x280 [ 286.507361] ? __lock_is_held+0xb5/0x140 [ 286.511430] __alloc_pages_nodemask+0xa80/0xde0 [ 286.516102] ? zap_class+0x640/0x640 [ 286.519817] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 286.524855] ? find_held_lock+0x36/0x1c0 [ 286.528926] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.533593] ? lock_downgrade+0x900/0x900 [ 286.537745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.543282] cache_grow_begin+0xa5/0x8c0 [ 286.547336] ? do_raw_spin_unlock+0xa7/0x330 [ 286.551747] fallback_alloc+0x204/0x2e0 [ 286.555726] ____cache_alloc_node+0x1c7/0x1e0 [ 286.560222] kmem_cache_alloc_node+0xe3/0x730 [ 286.564713] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.568957] __alloc_skb+0x119/0x770 [ 286.572665] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 286.577945] ? netdev_alloc_frag+0x1f0/0x1f0 [ 286.582347] ? lock_downgrade+0x900/0x900 [ 286.586498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.592030] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.597481] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.602933] ? addrconf_rs_timer+0x690/0x690 [ 286.607348] ndisc_alloc_skb+0x144/0x340 [ 286.611414] ndisc_send_rs+0x331/0x6e0 [ 286.615299] addrconf_rs_timer+0x314/0x690 [ 286.619533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.623772] call_timer_fn+0x272/0x920 [ 286.627656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.631886] ? process_timeout+0x40/0x40 [ 286.635955] ? mark_held_locks+0xc7/0x130 [ 286.640102] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.644590] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.649077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.653305] ? lockdep_hardirqs_on+0x296/0x5b0 [ 286.657886] ? trace_hardirqs_on+0xbd/0x310 [ 286.662207] ? kasan_check_read+0x11/0x20 [ 286.666349] ? __run_timers+0x7da/0xc70 [ 286.670316] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.675423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.679822] __run_timers+0x7e5/0xc70 [ 286.683625] ? timer_fixup_init+0x70/0x70 [ 286.687770] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.692785] ? zap_class+0x640/0x640 [ 286.696496] ? print_usage_bug+0xc0/0xc0 [ 286.700552] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 286.705746] ? find_held_lock+0x36/0x1c0 [ 286.709808] ? zap_class+0x640/0x640 [ 286.713527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.719058] ? check_preemption_disabled+0x48/0x280 [ 286.724079] ? __lock_is_held+0xb5/0x140 [ 286.728135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.733671] ? check_preemption_disabled+0x48/0x280 [ 286.738685] run_timer_softirq+0x52/0xb0 [ 286.742744] ? rcu_read_lock_sched_held+0x14f/0x180 [ 286.747755] __do_softirq+0x308/0xb7e [ 286.751553] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 286.756044] ? lock_downgrade+0x900/0x900 [ 286.760198] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 286.765302] ? pvclock_read_flags+0x160/0x160 [ 286.769797] ? lapic_next_event+0x5a/0x90 [ 286.773941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.779483] ? kvm_clock_read+0x18/0x30 [ 286.783455] ? kvm_sched_clock_read+0x9/0x20 [ 286.787859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.793403] ? check_preemption_disabled+0x48/0x280 [ 286.798423] irq_exit+0x17f/0x1c0 [ 286.801871] smp_apic_timer_interrupt+0x1cb/0x760 [ 286.806710] ? smp_reschedule_interrupt+0x109/0x650 [ 286.811724] ? smp_call_function_single_interrupt+0x650/0x650 [ 286.817606] ? interrupt_entry+0xb5/0xc0 [ 286.821662] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.826674] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.831687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.836531] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.841539] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.846555] ? task_prio+0x50/0x50 [ 286.850095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.855634] ? check_preemption_disabled+0x48/0x280 [ 286.860653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.865499] apic_timer_interrupt+0xf/0x20 [ 286.869723] [ 286.871958] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 286.876970] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 286.895866] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 286.903574] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 286.910840] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 286.918106] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 286.925376] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 286.932637] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 286.939934] rcu_read_lock_held+0xa9/0xc0 [ 286.944082] css_next_child+0x2a2/0x620 [ 286.948061] ? cgroup_mount+0xd30/0xd30 [ 286.952035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.957570] ? check_preemption_disabled+0x48/0x280 [ 286.962589] ? __lock_is_held+0xb5/0x140 [ 286.966662] css_next_descendant_pre+0xeb/0x190 [ 286.971331] mem_cgroup_iter+0x42f/0x1160 [ 286.975486] ? kasan_check_write+0x14/0x20 [ 286.979722] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 286.984476] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.989495] ? shrink_slab+0xfa/0x8c0 [ 286.993291] ? shrink_active_list+0x1f00/0x1f00 [ 286.997970] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 287.003596] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 287.008702] ? cgroup_procs_write_finish+0xf0/0xf0 [ 287.013644] ? find_held_lock+0x36/0x1c0 [ 287.017704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.023238] ? vmpressure+0x1a2/0x340 [ 287.027038] shrink_node+0x516/0x16b0 [ 287.030837] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 287.036141] ? shrink_node_memcg+0x18f0/0x18f0 [ 287.040729] ? kvm_clock_read+0x18/0x30 [ 287.044699] ? ktime_get+0x2c1/0x400 [ 287.048413] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 287.052908] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.058439] ? __cpuset_node_allowed+0x19b/0x660 [ 287.063195] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 287.068907] ? delayacct_end+0x5a/0x100 [ 287.072888] do_try_to_free_pages+0x3e7/0x1290 [ 287.077464] ? zap_class+0x640/0x640 [ 287.081187] ? shrink_node+0x16b0/0x16b0 [ 287.085243] ? __lock_is_held+0xb5/0x140 [ 287.089312] try_to_free_pages+0x4d0/0xb90 [ 287.093554] ? do_try_to_free_pages+0x1290/0x1290 [ 287.098404] ? lock_acquire+0x1ed/0x520 [ 287.102379] ? set_page_refcounted+0x280/0x280 [ 287.106962] ? lock_release+0xa00/0xa00 [ 287.110930] ? _raw_spin_unlock_irq+0x60/0x80 [ 287.115421] ? psi_memstall_enter+0x240/0x2b0 [ 287.119912] ? psi_memstall_tick+0x230/0x230 [ 287.124328] __alloc_pages_slowpath+0xa14/0x2e10 [ 287.129109] ? warn_alloc+0x120/0x120 [ 287.133078] ? mark_held_locks+0x130/0x130 [ 287.137311] ? find_get_entry+0xaae/0x1120 [ 287.141575] ? filemap_map_pages+0x1a20/0x1a20 [ 287.146155] ? zap_class+0x640/0x640 [ 287.149968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.155503] ? check_preemption_disabled+0x48/0x280 [ 287.160514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.166045] ? should_fail+0x22d/0xd01 [ 287.169943] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.175041] ? zap_class+0x640/0x640 [ 287.178770] ? __lock_is_held+0xb5/0x140 [ 287.182835] ? mark_held_locks+0x130/0x130 [ 287.187070] ? lock_release+0xa00/0xa00 [ 287.191041] ? perf_trace_sched_process_exec+0x860/0x860 [ 287.196489] ? xa_load+0x2ba/0x460 [ 287.200030] ? lock_downgrade+0x900/0x900 [ 287.204177] ? __might_sleep+0x95/0x190 [ 287.208162] __alloc_pages_nodemask+0xa80/0xde0 [ 287.212832] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 287.217842] ? __page_cache_alloc+0x191/0x5c0 [ 287.222342] ? xa_load+0x2e1/0x460 [ 287.225884] ? xa_clear_mark+0x40/0x40 [ 287.229769] ? zap_class+0x640/0x640 [ 287.233485] ? zap_class+0x640/0x640 [ 287.237204] ? zap_class+0x640/0x640 [ 287.240912] ? __do_page_cache_readahead+0x663/0x810 [ 287.246452] ? find_held_lock+0x36/0x1c0 [ 287.250515] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 287.256053] alloc_pages_current+0x173/0x350 [ 287.260843] __page_cache_alloc+0x38c/0x5c0 [ 287.265162] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 287.270084] ? kasan_check_read+0x11/0x20 [ 287.274229] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.279502] ? generic_perform_write+0x6a0/0x6a0 [ 287.284255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.289790] ? check_preemption_disabled+0x48/0x280 [ 287.294812] filemap_fault+0x1595/0x25f0 [ 287.298882] ? __lock_page_or_retry+0xa00/0xa00 [ 287.303549] ? mark_held_locks+0x130/0x130 [ 287.307790] ? filemap_map_pages+0xd6b/0x1a20 [ 287.312279] ? lock_downgrade+0x900/0x900 [ 287.316427] ? check_preemption_disabled+0x48/0x280 [ 287.321442] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 287.326368] ? kasan_check_read+0x11/0x20 [ 287.330512] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.335786] ? rcu_softirq_qs+0x20/0x20 [ 287.339765] ? filemap_map_pages+0xd92/0x1a20 [ 287.344267] ? print_usage_bug+0xc0/0xc0 [ 287.348333] ? find_get_entries_tag+0x1400/0x1400 [ 287.353170] ? __kasan_slab_free+0x102/0x150 [ 287.357570] ? kasan_slab_free+0xe/0x10 [ 287.361541] ? kmem_cache_free+0x83/0x290 [ 287.365692] ? __sigqueue_free.part.29+0x74/0x90 [ 287.370459] ? lock_acquire+0x1ed/0x520 [ 287.374427] ? ext4_filemap_fault+0x7a/0xad [ 287.378749] ? lock_release+0xa00/0xa00 [ 287.382719] ? perf_trace_sched_process_exec+0x860/0x860 [ 287.388163] ? print_usage_bug+0xc0/0xc0 [ 287.392219] ? print_usage_bug+0xc0/0xc0 [ 287.396285] ? down_read+0x8d/0x120 [ 287.399916] ? ext4_filemap_fault+0x7a/0xad [ 287.404237] ? __down_interruptible+0x700/0x700 [ 287.408910] ext4_filemap_fault+0x82/0xad [ 287.413055] __do_fault+0x100/0x6b0 [ 287.416682] ? pmd_devmap_trans_unstable+0x220/0x220 [ 287.421783] ? mark_held_locks+0x130/0x130 [ 287.426015] ? mark_held_locks+0x130/0x130 [ 287.430250] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 287.435787] ? rcu_pm_notify+0xc0/0xc0 [ 287.439683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.445312] __handle_mm_fault+0x3ea0/0x5be0 [ 287.449733] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 287.454571] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.459070] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 287.463649] ? trace_hardirqs_on+0xbd/0x310 [ 287.467966] ? kasan_check_read+0x11/0x20 [ 287.472110] ? __set_current_blocked+0xdf/0x120 [ 287.476777] ? trace_hardirqs_off_caller+0x310/0x310 [ 287.481888] ? zap_class+0x640/0x640 [ 287.485597] ? zap_class+0x640/0x640 [ 287.489309] ? find_held_lock+0x36/0x1c0 [ 287.493382] ? handle_mm_fault+0x42a/0xc70 [ 287.497615] ? lock_downgrade+0x900/0x900 [ 287.501757] ? check_preemption_disabled+0x48/0x280 [ 287.506768] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 287.511694] ? kasan_check_read+0x11/0x20 [ 287.515836] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.521113] ? rcu_softirq_qs+0x20/0x20 [ 287.525098] ? trace_hardirqs_off_caller+0x310/0x310 [ 287.530199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.535819] ? check_preemption_disabled+0x48/0x280 [ 287.540840] handle_mm_fault+0x54f/0xc70 [ 287.544903] ? __handle_mm_fault+0x5be0/0x5be0 [ 287.549488] ? find_vma+0x34/0x190 [ 287.553030] __do_page_fault+0x5e8/0xe60 [ 287.557090] ? exit_to_usermode_loop+0x1f4/0x380 [ 287.561853] do_page_fault+0xf2/0x7e0 [ 287.565652] ? vmalloc_sync_all+0x30/0x30 [ 287.569795] ? error_entry+0x70/0xd0 [ 287.573504] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.578513] ? trace_hardirqs_on_caller+0xc0/0x310 [ 287.583439] ? syscall_return_slowpath+0x5e0/0x5e0 [ 287.588362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.593289] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.598313] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.603765] ? prepare_exit_to_usermode+0x291/0x3b0 [ 287.608779] ? page_fault+0x8/0x30 [ 287.612323] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.617166] ? page_fault+0x8/0x30 [ 287.620702] page_fault+0x1e/0x30 [ 287.624152] RIP: 0033:0x45db60 [ 287.627353] Code: Bad RIP value. [ 287.630710] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 287.636425] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 287.643688] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 287.650949] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 287.658210] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 287.665472] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 287.672759] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 287.672826] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.679504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.679511] Call Trace: [ 287.686054] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.695340] dump_stack+0x244/0x39d [ 287.697890] syz-fuzzer cpuset=/ mems_allowed=0 [ 287.708103] ? dump_stack_print_info.cold.1+0x20/0x20 [ 287.721453] warn_alloc.cold.116+0xb7/0x1bd [ 287.725773] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.730612] ? lock_downgrade+0x900/0x900 [ 287.734762] ? trace_hardirqs_off+0xb8/0x310 [ 287.739171] ? trace_hardirqs_off+0xb8/0x310 [ 287.743585] __alloc_pages_slowpath+0x26e8/0x2e10 [ 287.748449] ? warn_alloc+0x120/0x120 [ 287.752249] ? print_usage_bug+0xc0/0xc0 [ 287.756311] ? warn_alloc+0x120/0x120 [ 287.760112] ? warn_alloc+0x120/0x120 [ 287.763911] ? print_usage_bug+0xc0/0xc0 [ 287.767972] ? print_usage_bug+0xc0/0xc0 [ 287.772036] ? __lock_acquire+0x62f/0x4c20 [ 287.776274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.781813] ? should_fail+0x22d/0xd01 [ 287.785698] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.790801] ? __lock_acquire+0x62f/0x4c20 [ 287.795037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.801473] ? __lock_acquire+0x62f/0x4c20 [ 287.805707] ? should_fail+0x22d/0xd01 [ 287.809595] ? find_held_lock+0x36/0x1c0 [ 287.813659] ? mark_held_locks+0x130/0x130 [ 287.817892] ? mark_held_locks+0x130/0x130 [ 287.822122] ? zap_class+0x640/0x640 [ 287.825842] ? mark_held_locks+0xc7/0x130 [ 287.829981] ? do_raw_spin_unlock+0xa7/0x330 [ 287.834381] ? zap_class+0x640/0x640 [ 287.838088] ? print_usage_bug+0xc0/0xc0 [ 287.842235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.847768] ? check_preemption_disabled+0x48/0x280 [ 287.852789] ? __lock_is_held+0xb5/0x140 [ 287.856852] __alloc_pages_nodemask+0xa80/0xde0 [ 287.861515] ? zap_class+0x640/0x640 [ 287.865229] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 287.870263] ? find_held_lock+0x36/0x1c0 [ 287.874345] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.879011] ? lock_downgrade+0x900/0x900 [ 287.883161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.888695] cache_grow_begin+0xa5/0x8c0 [ 287.892750] ? do_raw_spin_unlock+0xa7/0x330 [ 287.897158] fallback_alloc+0x204/0x2e0 [ 287.901133] ____cache_alloc_node+0x1c7/0x1e0 [ 287.905630] kmem_cache_alloc_node+0xe3/0x730 [ 287.910121] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.914363] __alloc_skb+0x119/0x770 [ 287.918075] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.923352] ? netdev_alloc_frag+0x1f0/0x1f0 [ 287.927757] ? lock_downgrade+0x900/0x900 [ 287.931905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.937443] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.942890] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.948421] ? addrconf_rs_timer+0x690/0x690 [ 287.952833] ndisc_alloc_skb+0x144/0x340 [ 287.956892] ndisc_send_rs+0x331/0x6e0 [ 287.960789] addrconf_rs_timer+0x314/0x690 [ 287.965026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.969265] call_timer_fn+0x272/0x920 [ 287.973157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.977386] ? process_timeout+0x40/0x40 [ 287.981447] ? __run_timers+0x7da/0xc70 [ 287.985418] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.989906] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.994481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.998709] ? lockdep_hardirqs_on+0x296/0x5b0 [ 288.003295] ? trace_hardirqs_on+0xbd/0x310 [ 288.007614] ? kasan_check_read+0x11/0x20 [ 288.011753] ? __run_timers+0x7da/0xc70 [ 288.015721] ? trace_hardirqs_off_caller+0x310/0x310 [ 288.020833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.025066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.029298] __run_timers+0x7e5/0xc70 [ 288.033105] ? timer_fixup_init+0x70/0x70 [ 288.037246] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.041738] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.046229] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 288.050805] ? trace_hardirqs_on+0xbd/0x310 [ 288.055123] ? kasan_check_read+0x11/0x20 [ 288.059274] ? finish_task_switch+0x1f4/0x910 [ 288.063770] ? trace_hardirqs_off_caller+0x310/0x310 [ 288.068865] ? compat_start_thread+0x80/0x80 [ 288.073308] ? pvclock_read_flags+0x160/0x160 [ 288.077797] ? __switch_to_asm+0x34/0x70 [ 288.081853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.087384] ? check_preemption_disabled+0x48/0x280 [ 288.092415] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 288.097951] ? rcu_pm_notify+0xc0/0xc0 [ 288.101834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.107368] ? check_preemption_disabled+0x48/0x280 [ 288.112386] run_timer_softirq+0x52/0xb0 [ 288.116453] ? rcu_read_lock_sched_held+0x14f/0x180 [ 288.121462] __do_softirq+0x308/0xb7e [ 288.125272] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 288.130373] ? smpboot_thread_fn+0x334/0xa00 [ 288.134782] ? schedule+0x108/0x460 [ 288.138403] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.143159] ? trace_hardirqs_off+0xb8/0x310 [ 288.147566] ? smpboot_thread_fn+0x68b/0xa00 [ 288.151968] ? trace_hardirqs_on+0x310/0x310 [ 288.156370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.161901] ? check_preemption_disabled+0x48/0x280 [ 288.166916] ? takeover_tasklets+0xa90/0xa90 [ 288.171320] run_ksoftirqd+0x5e/0x100 [ 288.175117] smpboot_thread_fn+0x68b/0xa00 [ 288.179351] ? sort_range+0x30/0x30 [ 288.182973] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.188075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.193606] ? __kthread_parkme+0xfb/0x1a0 [ 288.197840] ? sort_range+0x30/0x30 [ 288.201464] kthread+0x35a/0x440 [ 288.204829] ? kthread_stop+0x900/0x900 [ 288.208798] ret_from_fork+0x3a/0x50 [ 288.212524] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 288.212528] warn_alloc_show_mem: 1 callbacks suppressed [ 288.212534] Mem-Info: [ 288.219447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.224810] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 288.224810] active_file:12 inactive_file:11 isolated_file:0 [ 288.224810] unevictable:0 dirty:0 writeback:0 unstable:0 [ 288.224810] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 288.224810] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 288.224810] free:13782 free_pcp:358 free_cma:0 [ 288.227190] Call Trace: [ 288.236563] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 288.269618] [ 288.272184] 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 [ 288.299681] dump_stack+0x244/0x39d [ 288.301800] lowmem_reserve[]: 0 2818 6321 6321 [ 288.327911] ? dump_stack_print_info.cold.1+0x20/0x20 [ 288.331505] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 288.336097] warn_alloc.cold.116+0xb7/0x1bd [ 288.341253] lowmem_reserve[]: 0 0 3503 3503 [ 288.368912] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.373205] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 288.377515] ? lock_downgrade+0x900/0x900 [ 288.382328] lowmem_reserve[]: 0 0 0 0 [ 288.411293] ? trace_hardirqs_off+0xb8/0x310 [ 288.415412] 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 [ 288.419208] ? trace_hardirqs_off+0xb8/0x310 [ 288.423586] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 288.437106] __alloc_pages_slowpath+0x26e8/0x2e10 [ 288.441480] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 288.456754] ? warn_alloc+0x120/0x120 [ 288.461553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 288.476458] ? print_usage_bug+0xc0/0xc0 [ 288.480238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 288.489050] ? warn_alloc+0x120/0x120 [ 288.493083] 266 total pagecache pages [ 288.501645] ? warn_alloc+0x120/0x120 [ 288.505420] 0 pages in swap cache [ 288.509201] ? print_usage_bug+0xc0/0xc0 [ 288.512975] Swap cache stats: add 0, delete 0, find 0/0 [ 288.516413] ? kvm_clock_read+0x18/0x30 [ 288.520444] Free swap = 0kB [ 288.525791] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 288.529728] Total swap = 0kB [ 288.529735] 1965979 pages RAM [ 288.532741] ? print_usage_bug+0xc0/0xc0 [ 288.537726] 0 pages HighMem/MovableOnly [ 288.537733] 342854 pages reserved [ 288.540740] ? __lock_acquire+0x62f/0x4c20 [ 288.543818] 0 pages cma reserved [ 288.547866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.551873] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.555257] ? should_fail+0x22d/0xd01 [ 288.559519] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.562824] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.568329] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 288.574811] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.603949] ? __lock_acquire+0x62f/0x4c20 [ 288.608185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.613290] ? __lock_acquire+0x62f/0x4c20 [ 288.617516] ? should_fail+0x22d/0xd01 [ 288.621397] ? rcu_irq_exit+0x1a2/0x390 [ 288.625380] ? mark_held_locks+0x130/0x130 [ 288.629615] ? mark_held_locks+0x130/0x130 [ 288.633848] ? mark_held_locks+0xc7/0x130 [ 288.637989] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 288.642998] ? zap_class+0x640/0x640 [ 288.646705] ? print_usage_bug+0xc0/0xc0 [ 288.650772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.656316] ? check_preemption_disabled+0x48/0x280 [ 288.661423] ? __lock_is_held+0xb5/0x140 [ 288.665483] __alloc_pages_nodemask+0xa80/0xde0 [ 288.670145] ? zap_class+0x640/0x640 [ 288.673856] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 288.678875] ? find_held_lock+0x36/0x1c0 [ 288.682940] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.687602] ? lock_downgrade+0x900/0x900 [ 288.691759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.697299] cache_grow_begin+0xa5/0x8c0 [ 288.701354] ? do_raw_spin_unlock+0xa7/0x330 [ 288.705768] fallback_alloc+0x204/0x2e0 [ 288.709750] ____cache_alloc_node+0x1c7/0x1e0 [ 288.714249] kmem_cache_alloc_node+0xe3/0x730 [ 288.718739] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.722988] __alloc_skb+0x119/0x770 [ 288.726694] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.731968] ? netdev_alloc_frag+0x1f0/0x1f0 [ 288.736395] ? lock_downgrade+0x900/0x900 [ 288.740544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.746074] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.751520] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.756976] ? addrconf_rs_timer+0x690/0x690 [ 288.761394] ndisc_alloc_skb+0x144/0x340 [ 288.765453] ndisc_send_rs+0x331/0x6e0 [ 288.769339] addrconf_rs_timer+0x314/0x690 [ 288.773573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.777813] call_timer_fn+0x272/0x920 [ 288.781693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.785926] ? process_timeout+0x40/0x40 [ 288.789988] ? mark_held_locks+0xc7/0x130 [ 288.794130] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.798621] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.803111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.807341] ? lockdep_hardirqs_on+0x296/0x5b0 [ 288.811919] ? trace_hardirqs_on+0xbd/0x310 [ 288.816430] ? kasan_check_read+0x11/0x20 [ 288.820574] ? __run_timers+0x7da/0xc70 [ 288.824549] ? trace_hardirqs_off_caller+0x310/0x310 [ 288.829651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.833887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.838116] __run_timers+0x7e5/0xc70 [ 288.841921] ? timer_fixup_init+0x70/0x70 [ 288.846064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 288.851075] ? zap_class+0x640/0x640 [ 288.854787] ? print_usage_bug+0xc0/0xc0 [ 288.858849] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 288.864040] ? find_held_lock+0x36/0x1c0 [ 288.868100] ? zap_class+0x640/0x640 [ 288.871814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.877349] ? check_preemption_disabled+0x48/0x280 [ 288.882369] ? __lock_is_held+0xb5/0x140 [ 288.886424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.891954] ? check_preemption_disabled+0x48/0x280 [ 288.896973] run_timer_softirq+0x52/0xb0 [ 288.901036] ? rcu_read_lock_sched_held+0x14f/0x180 [ 288.906044] __do_softirq+0x308/0xb7e [ 288.909847] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 288.914343] ? lock_downgrade+0x900/0x900 [ 288.918488] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 288.923590] ? pvclock_read_flags+0x160/0x160 [ 288.928082] ? lapic_next_event+0x5a/0x90 [ 288.932230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.937768] ? kvm_clock_read+0x18/0x30 [ 288.941743] ? kvm_sched_clock_read+0x9/0x20 [ 288.946146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.951677] ? check_preemption_disabled+0x48/0x280 [ 288.956695] irq_exit+0x17f/0x1c0 [ 288.960149] smp_apic_timer_interrupt+0x1cb/0x760 [ 288.964990] ? smp_reschedule_interrupt+0x109/0x650 [ 288.970004] ? smp_call_function_single_interrupt+0x650/0x650 [ 288.975882] ? interrupt_entry+0xb5/0xc0 [ 288.979938] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.984947] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.989988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.994914] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.999925] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.004933] ? task_prio+0x50/0x50 [ 289.008470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.014009] ? check_preemption_disabled+0x48/0x280 [ 289.019023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.023870] apic_timer_interrupt+0xf/0x20 [ 289.028093] [ 289.030330] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 289.035340] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 289.054323] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 289.062024] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 289.069289] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 289.076554] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 289.083819] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 289.091079] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 289.098365] rcu_read_lock_held+0xa9/0xc0 [ 289.102509] css_next_child+0x2a2/0x620 [ 289.106486] ? cgroup_mount+0xd30/0xd30 [ 289.110460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.116001] ? check_preemption_disabled+0x48/0x280 [ 289.121020] ? __lock_is_held+0xb5/0x140 [ 289.125089] css_next_descendant_pre+0xeb/0x190 [ 289.129759] mem_cgroup_iter+0x42f/0x1160 [ 289.133902] ? kasan_check_write+0x14/0x20 [ 289.138137] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 289.142885] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.147902] ? shrink_slab+0xfa/0x8c0 [ 289.151785] ? shrink_active_list+0x1f00/0x1f00 [ 289.156464] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 289.162084] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 289.167197] ? cgroup_procs_write_finish+0xf0/0xf0 [ 289.172127] ? find_held_lock+0x36/0x1c0 [ 289.176191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.181728] ? vmpressure+0x1a2/0x340 [ 289.185528] shrink_node+0x516/0x16b0 [ 289.189323] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 289.194620] ? shrink_node_memcg+0x18f0/0x18f0 [ 289.199205] ? kvm_clock_read+0x18/0x30 [ 289.203184] ? ktime_get+0x2c1/0x400 [ 289.206899] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 289.211478] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.217009] ? __cpuset_node_allowed+0x19b/0x660 [ 289.221771] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 289.227481] ? delayacct_end+0x5a/0x100 [ 289.231457] do_try_to_free_pages+0x3e7/0x1290 [ 289.236030] ? zap_class+0x640/0x640 [ 289.239755] ? shrink_node+0x16b0/0x16b0 [ 289.243812] ? __lock_is_held+0xb5/0x140 [ 289.247880] try_to_free_pages+0x4d0/0xb90 [ 289.252116] ? do_try_to_free_pages+0x1290/0x1290 [ 289.256964] ? lock_acquire+0x1ed/0x520 [ 289.260935] ? set_page_refcounted+0x280/0x280 [ 289.265519] ? lock_release+0xa00/0xa00 [ 289.269492] ? _raw_spin_unlock_irq+0x60/0x80 [ 289.273981] ? psi_memstall_enter+0x240/0x2b0 [ 289.278474] ? psi_memstall_tick+0x230/0x230 [ 289.282889] __alloc_pages_slowpath+0xa14/0x2e10 [ 289.287664] ? warn_alloc+0x120/0x120 [ 289.291467] ? mark_held_locks+0x130/0x130 [ 289.295711] ? find_get_entry+0xaae/0x1120 [ 289.299947] ? filemap_map_pages+0x1a20/0x1a20 [ 289.304530] ? zap_class+0x640/0x640 [ 289.308257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.313797] ? check_preemption_disabled+0x48/0x280 [ 289.318810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.324354] ? should_fail+0x22d/0xd01 [ 289.328248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.333349] ? zap_class+0x640/0x640 [ 289.337081] ? __lock_is_held+0xb5/0x140 [ 289.341144] ? mark_held_locks+0x130/0x130 [ 289.345392] ? lock_release+0xa00/0xa00 [ 289.349367] ? perf_trace_sched_process_exec+0x860/0x860 [ 289.354814] ? xa_load+0x2ba/0x460 [ 289.358353] ? lock_downgrade+0x900/0x900 [ 289.362503] ? __might_sleep+0x95/0x190 [ 289.366485] __alloc_pages_nodemask+0xa80/0xde0 [ 289.371162] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 289.376185] ? __page_cache_alloc+0x191/0x5c0 [ 289.380672] ? xa_load+0x2e1/0x460 [ 289.384213] ? xa_clear_mark+0x40/0x40 [ 289.388097] ? zap_class+0x640/0x640 [ 289.391814] ? zap_class+0x640/0x640 [ 289.395521] ? zap_class+0x640/0x640 [ 289.399233] ? __do_page_cache_readahead+0x663/0x810 [ 289.404339] ? find_held_lock+0x36/0x1c0 [ 289.408400] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 289.414023] alloc_pages_current+0x173/0x350 [ 289.418435] __page_cache_alloc+0x38c/0x5c0 [ 289.422750] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 289.427698] ? kasan_check_read+0x11/0x20 [ 289.431841] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.437116] ? generic_perform_write+0x6a0/0x6a0 [ 289.441877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.447410] ? check_preemption_disabled+0x48/0x280 [ 289.452429] filemap_fault+0x1595/0x25f0 [ 289.456496] ? __lock_page_or_retry+0xa00/0xa00 [ 289.461173] ? mark_held_locks+0x130/0x130 [ 289.465415] ? filemap_map_pages+0xd6b/0x1a20 [ 289.469927] ? lock_downgrade+0x900/0x900 [ 289.474070] ? check_preemption_disabled+0x48/0x280 [ 289.479085] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 289.484011] ? kasan_check_read+0x11/0x20 [ 289.488159] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.493430] ? rcu_softirq_qs+0x20/0x20 [ 289.497418] ? filemap_map_pages+0xd92/0x1a20 [ 289.501910] ? print_usage_bug+0xc0/0xc0 [ 289.505972] ? find_get_entries_tag+0x1400/0x1400 [ 289.510808] ? __kasan_slab_free+0x102/0x150 [ 289.515209] ? kasan_slab_free+0xe/0x10 [ 289.519180] ? kmem_cache_free+0x83/0x290 [ 289.523324] ? __sigqueue_free.part.29+0x74/0x90 [ 289.528091] ? lock_acquire+0x1ed/0x520 [ 289.532061] ? ext4_filemap_fault+0x7a/0xad [ 289.536386] ? lock_release+0xa00/0xa00 [ 289.540442] ? perf_trace_sched_process_exec+0x860/0x860 [ 289.545887] ? print_usage_bug+0xc0/0xc0 [ 289.549944] ? print_usage_bug+0xc0/0xc0 [ 289.554009] ? down_read+0x8d/0x120 [ 289.557626] ? ext4_filemap_fault+0x7a/0xad [ 289.561947] ? __down_interruptible+0x700/0x700 [ 289.566617] ext4_filemap_fault+0x82/0xad [ 289.570762] __do_fault+0x100/0x6b0 [ 289.574396] ? pmd_devmap_trans_unstable+0x220/0x220 [ 289.579497] ? mark_held_locks+0x130/0x130 [ 289.583730] ? mark_held_locks+0x130/0x130 [ 289.587961] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 289.593495] ? rcu_pm_notify+0xc0/0xc0 [ 289.597388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.603014] __handle_mm_fault+0x3ea0/0x5be0 [ 289.607426] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 289.612259] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.616750] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 289.621327] ? trace_hardirqs_on+0xbd/0x310 [ 289.625643] ? kasan_check_read+0x11/0x20 [ 289.629790] ? __set_current_blocked+0xdf/0x120 [ 289.634751] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.639860] ? zap_class+0x640/0x640 [ 289.643567] ? zap_class+0x640/0x640 [ 289.647281] ? find_held_lock+0x36/0x1c0 [ 289.651347] ? handle_mm_fault+0x42a/0xc70 [ 289.655577] ? lock_downgrade+0x900/0x900 [ 289.659726] ? check_preemption_disabled+0x48/0x280 [ 289.664740] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 289.669672] ? kasan_check_read+0x11/0x20 [ 289.673814] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.679085] ? rcu_softirq_qs+0x20/0x20 [ 289.683054] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.688160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.693694] ? check_preemption_disabled+0x48/0x280 [ 289.698713] handle_mm_fault+0x54f/0xc70 [ 289.702773] ? __handle_mm_fault+0x5be0/0x5be0 [ 289.707357] ? find_vma+0x34/0x190 [ 289.710899] __do_page_fault+0x5e8/0xe60 [ 289.714956] ? exit_to_usermode_loop+0x1f4/0x380 [ 289.719718] do_page_fault+0xf2/0x7e0 [ 289.723515] ? vmalloc_sync_all+0x30/0x30 [ 289.727676] ? error_entry+0x70/0xd0 [ 289.731384] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.736396] ? trace_hardirqs_on_caller+0xc0/0x310 [ 289.741318] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.746240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.751079] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.756096] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.761552] ? prepare_exit_to_usermode+0x291/0x3b0 [ 289.766564] ? page_fault+0x8/0x30 [ 289.770100] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.774947] ? page_fault+0x8/0x30 [ 289.778480] page_fault+0x1e/0x30 [ 289.781924] RIP: 0033:0x45db60 [ 289.785127] Code: Bad RIP value. [ 289.788487] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 289.793842] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 289.801587] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 289.808855] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 289.816126] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 289.823388] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 289.830683] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 289.830741] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.837428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.837433] Call Trace: [ 289.837453] dump_stack+0x244/0x39d [ 289.837472] ? dump_stack_print_info.cold.1+0x20/0x20 [ 289.844010] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.853301] warn_alloc.cold.116+0xb7/0x1bd [ 289.855854] syz-fuzzer cpuset=/ mems_allowed=0 [ 289.859466] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.888527] ? lock_downgrade+0x900/0x900 [ 289.892679] ? trace_hardirqs_off+0xb8/0x310 [ 289.897088] ? trace_hardirqs_off+0xb8/0x310 [ 289.901503] __alloc_pages_slowpath+0x26e8/0x2e10 [ 289.906372] ? warn_alloc+0x120/0x120 [ 289.910172] ? print_usage_bug+0xc0/0xc0 [ 289.914229] ? warn_alloc+0x120/0x120 [ 289.918031] ? warn_alloc+0x120/0x120 [ 289.921830] ? print_usage_bug+0xc0/0xc0 [ 289.925893] ? print_usage_bug+0xc0/0xc0 [ 289.929950] ? __lock_acquire+0x62f/0x4c20 [ 289.934195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.939726] ? should_fail+0x22d/0xd01 [ 289.943615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.948716] ? __lock_acquire+0x62f/0x4c20 [ 289.952948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.958042] ? __lock_acquire+0x62f/0x4c20 [ 289.962272] ? should_fail+0x22d/0xd01 [ 289.966159] ? find_held_lock+0x36/0x1c0 [ 289.970224] ? mark_held_locks+0x130/0x130 [ 289.974458] ? mark_held_locks+0x130/0x130 [ 289.978686] ? zap_class+0x640/0x640 [ 289.982396] ? zap_class+0x640/0x640 [ 289.986114] ? print_usage_bug+0xc0/0xc0 [ 289.990174] ? do_raw_spin_unlock+0xa7/0x330 [ 289.994576] ? zap_class+0x640/0x640 [ 289.998287] ? print_usage_bug+0xc0/0xc0 [ 290.002344] ? wq_watchdog_touch+0x9c/0xfe [ 290.006576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.012116] ? check_preemption_disabled+0x48/0x280 [ 290.017144] ? __lock_is_held+0xb5/0x140 [ 290.021206] __alloc_pages_nodemask+0xa80/0xde0 [ 290.025873] ? zap_class+0x640/0x640 [ 290.029598] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 290.034620] ? find_held_lock+0x36/0x1c0 [ 290.038683] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.043347] ? lock_downgrade+0x900/0x900 [ 290.047496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.053031] cache_grow_begin+0xa5/0x8c0 [ 290.057088] ? do_raw_spin_unlock+0xa7/0x330 [ 290.061505] fallback_alloc+0x204/0x2e0 [ 290.065482] ____cache_alloc_node+0x1c7/0x1e0 [ 290.069978] kmem_cache_alloc_node+0xe3/0x730 [ 290.074466] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.078703] __alloc_skb+0x119/0x770 [ 290.082409] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.087682] ? netdev_alloc_frag+0x1f0/0x1f0 [ 290.092088] ? lock_downgrade+0x900/0x900 [ 290.096245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.101780] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.107230] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.112676] ? addrconf_rs_timer+0x690/0x690 [ 290.117099] ndisc_alloc_skb+0x144/0x340 [ 290.121169] ndisc_send_rs+0x331/0x6e0 [ 290.125056] addrconf_rs_timer+0x314/0x690 [ 290.129289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.133531] call_timer_fn+0x272/0x920 [ 290.137412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.141639] ? process_timeout+0x40/0x40 [ 290.145701] ? __run_timers+0x7da/0xc70 [ 290.149676] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.154161] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.158649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.162881] ? lockdep_hardirqs_on+0x296/0x5b0 [ 290.167461] ? trace_hardirqs_on+0xbd/0x310 [ 290.171948] ? kasan_check_read+0x11/0x20 [ 290.176095] ? __run_timers+0x7da/0xc70 [ 290.180066] ? trace_hardirqs_off_caller+0x310/0x310 [ 290.185178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.189411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.193638] __run_timers+0x7e5/0xc70 [ 290.197443] ? timer_fixup_init+0x70/0x70 [ 290.201588] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.206078] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.210579] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 290.215158] ? trace_hardirqs_on+0xbd/0x310 [ 290.219472] ? kasan_check_read+0x11/0x20 [ 290.223621] ? finish_task_switch+0x1f4/0x910 [ 290.228110] ? trace_hardirqs_off_caller+0x310/0x310 [ 290.233210] ? compat_start_thread+0x80/0x80 [ 290.237636] ? pvclock_read_flags+0x160/0x160 [ 290.242129] ? __switch_to_asm+0x34/0x70 [ 290.246185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.251716] ? check_preemption_disabled+0x48/0x280 [ 290.256733] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 290.262264] ? rcu_pm_notify+0xc0/0xc0 [ 290.266147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.271678] ? check_preemption_disabled+0x48/0x280 [ 290.276692] run_timer_softirq+0x52/0xb0 [ 290.280747] ? rcu_read_lock_sched_held+0x14f/0x180 [ 290.285756] __do_softirq+0x308/0xb7e [ 290.289572] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 290.294669] ? smpboot_thread_fn+0x334/0xa00 [ 290.299082] ? schedule+0x108/0x460 [ 290.302706] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.307470] ? trace_hardirqs_off+0xb8/0x310 [ 290.311877] ? smpboot_thread_fn+0x68b/0xa00 [ 290.316277] ? trace_hardirqs_on+0x310/0x310 [ 290.320681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.326211] ? check_preemption_disabled+0x48/0x280 [ 290.331222] ? takeover_tasklets+0xa90/0xa90 [ 290.335624] run_ksoftirqd+0x5e/0x100 [ 290.339420] smpboot_thread_fn+0x68b/0xa00 [ 290.343656] ? sort_range+0x30/0x30 [ 290.347279] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.352376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.357905] ? __kthread_parkme+0xfb/0x1a0 [ 290.362136] ? sort_range+0x30/0x30 [ 290.365762] kthread+0x35a/0x440 [ 290.369130] ? kthread_stop+0x900/0x900 [ 290.373101] ret_from_fork+0x3a/0x50 [ 290.376825] warn_alloc_show_mem: 1 callbacks suppressed [ 290.376835] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 290.376836] Mem-Info: [ 290.376868] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 290.376868] active_file:12 inactive_file:11 isolated_file:0 [ 290.376868] unevictable:0 dirty:0 writeback:0 unstable:0 [ 290.376868] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 290.376868] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 290.376868] free:13782 free_pcp:358 free_cma:0 [ 290.382194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.389119] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 290.391500] Call Trace: [ 290.424358] 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 [ 290.433720] [ 290.461534] lowmem_reserve[]: 0 2818 6321 6321 [ 290.464118] dump_stack+0x244/0x39d [ 290.464137] ? dump_stack_print_info.cold.1+0x20/0x20 [ 290.490212] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 290.492368] warn_alloc.cold.116+0xb7/0x1bd [ 290.496910] lowmem_reserve[]: 0 0 3503 3503 [ 290.500527] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.505687] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 290.533348] ? lock_downgrade+0x900/0x900 [ 290.537630] lowmem_reserve[]: 0 0 0 0 [ 290.541955] ? trace_hardirqs_off+0xb8/0x310 [ 290.546769] 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 [ 290.575737] ? trace_hardirqs_off+0xb8/0x310 [ 290.579941] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 290.583740] __alloc_pages_slowpath+0x26e8/0x2e10 [ 290.588126] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 290.601660] ? warn_alloc+0x120/0x120 [ 290.606022] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 290.621175] ? print_usage_bug+0xc0/0xc0 [ 290.625994] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 290.640886] ? warn_alloc+0x120/0x120 [ 290.644661] 266 total pagecache pages [ 290.653482] ? warn_alloc+0x120/0x120 [ 290.657522] 0 pages in swap cache [ 290.666081] ? print_usage_bug+0xc0/0xc0 [ 290.669860] Swap cache stats: add 0, delete 0, find 0/0 [ 290.673902] ? kvm_clock_read+0x18/0x30 [ 290.677673] Free swap = 0kB [ 290.681114] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 290.685157] Total swap = 0kB [ 290.690508] ? print_usage_bug+0xc0/0xc0 [ 290.694454] 1965979 pages RAM [ 290.697462] ? __lock_acquire+0x62f/0x4c20 [ 290.702451] 0 pages HighMem/MovableOnly [ 290.705458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.709491] 342854 pages reserved [ 290.712588] ? should_fail+0x22d/0xd01 [ 290.716790] 0 pages cma reserved [ 290.720753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.720771] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.726338] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.729722] ? __lock_acquire+0x62f/0x4c20 [ 290.733653] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.736939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.742183] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 290.747271] ? __lock_acquire+0x62f/0x4c20 [ 290.782192] ? should_fail+0x22d/0xd01 [ 290.786075] ? rcu_irq_exit+0x1a2/0x390 [ 290.790062] ? mark_held_locks+0x130/0x130 [ 290.794296] ? mark_held_locks+0x130/0x130 [ 290.798532] ? mark_held_locks+0xc7/0x130 [ 290.802676] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 290.807685] ? zap_class+0x640/0x640 [ 290.811403] ? print_usage_bug+0xc0/0xc0 [ 290.815468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.821002] ? check_preemption_disabled+0x48/0x280 [ 290.826038] ? __lock_is_held+0xb5/0x140 [ 290.830104] __alloc_pages_nodemask+0xa80/0xde0 [ 290.834767] ? zap_class+0x640/0x640 [ 290.838484] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 290.843504] ? find_held_lock+0x36/0x1c0 [ 290.847572] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.852236] ? lock_downgrade+0x900/0x900 [ 290.856387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.861931] cache_grow_begin+0xa5/0x8c0 [ 290.865985] ? do_raw_spin_unlock+0xa7/0x330 [ 290.870394] fallback_alloc+0x204/0x2e0 [ 290.874370] ____cache_alloc_node+0x1c7/0x1e0 [ 290.878867] kmem_cache_alloc_node+0xe3/0x730 [ 290.883357] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.887596] __alloc_skb+0x119/0x770 [ 290.891304] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.896584] ? netdev_alloc_frag+0x1f0/0x1f0 [ 290.900990] ? lock_downgrade+0x900/0x900 [ 290.905151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.910686] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.916134] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.921582] ? addrconf_rs_timer+0x690/0x690 [ 290.925995] ndisc_alloc_skb+0x144/0x340 [ 290.930065] ndisc_send_rs+0x331/0x6e0 [ 290.933953] addrconf_rs_timer+0x314/0x690 [ 290.938188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.942425] call_timer_fn+0x272/0x920 [ 290.946306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.950535] ? process_timeout+0x40/0x40 [ 290.954616] ? mark_held_locks+0xc7/0x130 [ 290.958760] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.963250] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.967739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.971967] ? lockdep_hardirqs_on+0x296/0x5b0 [ 290.976544] ? trace_hardirqs_on+0xbd/0x310 [ 290.980863] ? kasan_check_read+0x11/0x20 [ 290.985011] ? __run_timers+0x7da/0xc70 [ 290.988988] ? trace_hardirqs_off_caller+0x310/0x310 [ 290.994093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.998325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.002557] __run_timers+0x7e5/0xc70 [ 291.006361] ? timer_fixup_init+0x70/0x70 [ 291.010509] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.015533] ? zap_class+0x640/0x640 [ 291.019250] ? print_usage_bug+0xc0/0xc0 [ 291.023327] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.028521] ? find_held_lock+0x36/0x1c0 [ 291.032583] ? zap_class+0x640/0x640 [ 291.036298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.041829] ? check_preemption_disabled+0x48/0x280 [ 291.046849] ? __lock_is_held+0xb5/0x140 [ 291.050908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.056445] ? check_preemption_disabled+0x48/0x280 [ 291.061458] run_timer_softirq+0x52/0xb0 [ 291.065514] ? rcu_read_lock_sched_held+0x14f/0x180 [ 291.070532] __do_softirq+0x308/0xb7e [ 291.074333] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 291.078821] ? lock_downgrade+0x900/0x900 [ 291.082967] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 291.088073] ? pvclock_read_flags+0x160/0x160 [ 291.092566] ? lapic_next_event+0x5a/0x90 [ 291.096713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.102249] ? kvm_clock_read+0x18/0x30 [ 291.106220] ? kvm_sched_clock_read+0x9/0x20 [ 291.110627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.116160] ? check_preemption_disabled+0x48/0x280 [ 291.121179] irq_exit+0x17f/0x1c0 [ 291.124630] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.129468] ? smp_reschedule_interrupt+0x109/0x650 [ 291.134479] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.140356] ? interrupt_entry+0xb5/0xc0 [ 291.144413] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.149422] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.154433] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.159270] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.164285] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.169315] ? task_prio+0x50/0x50 [ 291.172853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.178384] ? check_preemption_disabled+0x48/0x280 [ 291.183398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.188245] apic_timer_interrupt+0xf/0x20 [ 291.192468] [ 291.194705] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 291.199718] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 291.218611] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 291.226314] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 291.233580] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 291.240842] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 291.248108] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 291.255374] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 291.262668] rcu_read_lock_held+0xa9/0xc0 [ 291.266821] css_next_child+0x2a2/0x620 [ 291.270797] ? cgroup_mount+0xd30/0xd30 [ 291.274769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.280300] ? check_preemption_disabled+0x48/0x280 [ 291.285323] ? __lock_is_held+0xb5/0x140 [ 291.289395] css_next_descendant_pre+0xeb/0x190 [ 291.294064] mem_cgroup_iter+0x42f/0x1160 [ 291.298209] ? kasan_check_write+0x14/0x20 [ 291.302443] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 291.307197] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.312214] ? shrink_slab+0xfa/0x8c0 [ 291.316013] ? shrink_active_list+0x1f00/0x1f00 [ 291.320683] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 291.326307] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.331411] ? cgroup_procs_write_finish+0xf0/0xf0 [ 291.336341] ? find_held_lock+0x36/0x1c0 [ 291.340402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.345935] ? vmpressure+0x1a2/0x340 [ 291.349733] shrink_node+0x516/0x16b0 [ 291.353536] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 291.358838] ? shrink_node_memcg+0x18f0/0x18f0 [ 291.363421] ? kvm_clock_read+0x18/0x30 [ 291.367392] ? ktime_get+0x2c1/0x400 [ 291.371105] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 291.375599] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.381132] ? __cpuset_node_allowed+0x19b/0x660 [ 291.385888] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 291.391593] ? delayacct_end+0x5a/0x100 [ 291.395571] do_try_to_free_pages+0x3e7/0x1290 [ 291.400146] ? zap_class+0x640/0x640 [ 291.403868] ? shrink_node+0x16b0/0x16b0 [ 291.407925] ? __lock_is_held+0xb5/0x140 [ 291.412000] try_to_free_pages+0x4d0/0xb90 [ 291.416232] ? do_try_to_free_pages+0x1290/0x1290 [ 291.421079] ? lock_acquire+0x1ed/0x520 [ 291.425051] ? set_page_refcounted+0x280/0x280 [ 291.429638] ? lock_release+0xa00/0xa00 [ 291.433608] ? _raw_spin_unlock_irq+0x60/0x80 [ 291.438099] ? psi_memstall_enter+0x240/0x2b0 [ 291.442598] ? psi_memstall_tick+0x230/0x230 [ 291.447032] __alloc_pages_slowpath+0xa14/0x2e10 [ 291.451806] ? warn_alloc+0x120/0x120 [ 291.455599] ? mark_held_locks+0x130/0x130 [ 291.459832] ? find_get_entry+0xaae/0x1120 [ 291.464073] ? filemap_map_pages+0x1a20/0x1a20 [ 291.468657] ? zap_class+0x640/0x640 [ 291.472377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.477910] ? check_preemption_disabled+0x48/0x280 [ 291.482920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.488453] ? should_fail+0x22d/0xd01 [ 291.492337] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.497434] ? zap_class+0x640/0x640 [ 291.501169] ? __lock_is_held+0xb5/0x140 [ 291.505231] ? mark_held_locks+0x130/0x130 [ 291.509464] ? lock_release+0xa00/0xa00 [ 291.513437] ? perf_trace_sched_process_exec+0x860/0x860 [ 291.518882] ? xa_load+0x2ba/0x460 [ 291.522416] ? lock_downgrade+0x900/0x900 [ 291.526569] ? __might_sleep+0x95/0x190 [ 291.530541] __alloc_pages_nodemask+0xa80/0xde0 [ 291.535218] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 291.540635] ? __page_cache_alloc+0x191/0x5c0 [ 291.545127] ? xa_load+0x2e1/0x460 [ 291.548667] ? xa_clear_mark+0x40/0x40 [ 291.552548] ? zap_class+0x640/0x640 [ 291.556262] ? zap_class+0x640/0x640 [ 291.559976] ? zap_class+0x640/0x640 [ 291.563685] ? __do_page_cache_readahead+0x663/0x810 [ 291.568792] ? find_held_lock+0x36/0x1c0 [ 291.572855] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 291.578391] alloc_pages_current+0x173/0x350 [ 291.582797] __page_cache_alloc+0x38c/0x5c0 [ 291.587114] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.592038] ? kasan_check_read+0x11/0x20 [ 291.596186] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.601461] ? generic_perform_write+0x6a0/0x6a0 [ 291.606210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.611743] ? check_preemption_disabled+0x48/0x280 [ 291.616762] filemap_fault+0x1595/0x25f0 [ 291.620830] ? __lock_page_or_retry+0xa00/0xa00 [ 291.625511] ? mark_held_locks+0x130/0x130 [ 291.629749] ? filemap_map_pages+0xd6b/0x1a20 [ 291.634502] ? lock_downgrade+0x900/0x900 [ 291.638649] ? check_preemption_disabled+0x48/0x280 [ 291.643661] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.648584] ? kasan_check_read+0x11/0x20 [ 291.652730] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.657999] ? rcu_softirq_qs+0x20/0x20 [ 291.661986] ? filemap_map_pages+0xd92/0x1a20 [ 291.666483] ? print_usage_bug+0xc0/0xc0 [ 291.670552] ? find_get_entries_tag+0x1400/0x1400 [ 291.675387] ? __kasan_slab_free+0x102/0x150 [ 291.679797] ? kasan_slab_free+0xe/0x10 [ 291.683764] ? kmem_cache_free+0x83/0x290 [ 291.687906] ? __sigqueue_free.part.29+0x74/0x90 [ 291.692674] ? lock_acquire+0x1ed/0x520 [ 291.696643] ? ext4_filemap_fault+0x7a/0xad [ 291.700977] ? lock_release+0xa00/0xa00 [ 291.704949] ? perf_trace_sched_process_exec+0x860/0x860 [ 291.710406] ? print_usage_bug+0xc0/0xc0 [ 291.714464] ? print_usage_bug+0xc0/0xc0 [ 291.718546] ? down_read+0x8d/0x120 [ 291.722165] ? ext4_filemap_fault+0x7a/0xad [ 291.726485] ? __down_interruptible+0x700/0x700 [ 291.731173] ext4_filemap_fault+0x82/0xad [ 291.735322] __do_fault+0x100/0x6b0 [ 291.738959] ? pmd_devmap_trans_unstable+0x220/0x220 [ 291.744066] ? mark_held_locks+0x130/0x130 [ 291.748298] ? mark_held_locks+0x130/0x130 [ 291.752532] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 291.758076] ? rcu_pm_notify+0xc0/0xc0 [ 291.761975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.767517] __handle_mm_fault+0x3ea0/0x5be0 [ 291.771934] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 291.776776] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.781268] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 291.785844] ? trace_hardirqs_on+0xbd/0x310 [ 291.790157] ? kasan_check_read+0x11/0x20 [ 291.794300] ? __set_current_blocked+0xdf/0x120 [ 291.798969] ? trace_hardirqs_off_caller+0x310/0x310 [ 291.804567] ? zap_class+0x640/0x640 [ 291.808277] ? zap_class+0x640/0x640 [ 291.811995] ? find_held_lock+0x36/0x1c0 [ 291.816062] ? handle_mm_fault+0x42a/0xc70 [ 291.820293] ? lock_downgrade+0x900/0x900 [ 291.824437] ? check_preemption_disabled+0x48/0x280 [ 291.829450] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.834374] ? kasan_check_read+0x11/0x20 [ 291.838517] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.843786] ? rcu_softirq_qs+0x20/0x20 [ 291.847754] ? trace_hardirqs_off_caller+0x310/0x310 [ 291.852857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.858389] ? check_preemption_disabled+0x48/0x280 [ 291.863405] handle_mm_fault+0x54f/0xc70 [ 291.867479] ? __handle_mm_fault+0x5be0/0x5be0 [ 291.872058] ? find_vma+0x34/0x190 [ 291.875605] __do_page_fault+0x5e8/0xe60 [ 291.879666] ? exit_to_usermode_loop+0x1f4/0x380 [ 291.884431] do_page_fault+0xf2/0x7e0 [ 291.888225] ? vmalloc_sync_all+0x30/0x30 [ 291.892371] ? error_entry+0x70/0xd0 [ 291.896081] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.901091] ? trace_hardirqs_on_caller+0xc0/0x310 [ 291.906016] ? syscall_return_slowpath+0x5e0/0x5e0 [ 291.910946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.915783] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.920797] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.926244] ? prepare_exit_to_usermode+0x291/0x3b0 [ 291.931266] ? page_fault+0x8/0x30 [ 291.934801] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.939814] ? page_fault+0x8/0x30 [ 291.943348] page_fault+0x1e/0x30 [ 291.946803] RIP: 0033:0x45db60 [ 291.950003] Code: Bad RIP value. [ 291.953363] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 291.958717] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 291.965982] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 291.973243] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 291.980508] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 291.987771] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 291.995056] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 291.995117] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.001804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.001808] Call Trace: [ 292.001827] dump_stack+0x244/0x39d [ 292.001846] ? dump_stack_print_info.cold.1+0x20/0x20 [ 292.008358] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.017658] warn_alloc.cold.116+0xb7/0x1bd [ 292.020209] syz-fuzzer cpuset=/ mems_allowed=0 [ 292.023822] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.052889] ? lock_downgrade+0x900/0x900 [ 292.057040] ? trace_hardirqs_off+0xb8/0x310 [ 292.061449] ? trace_hardirqs_off+0xb8/0x310 [ 292.065858] __alloc_pages_slowpath+0x26e8/0x2e10 [ 292.070719] ? warn_alloc+0x120/0x120 [ 292.074519] ? print_usage_bug+0xc0/0xc0 [ 292.078573] ? warn_alloc+0x120/0x120 [ 292.082369] ? warn_alloc+0x120/0x120 [ 292.086169] ? print_usage_bug+0xc0/0xc0 [ 292.090230] ? print_usage_bug+0xc0/0xc0 [ 292.094284] ? __lock_acquire+0x62f/0x4c20 [ 292.098519] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.104060] ? should_fail+0x22d/0xd01 [ 292.107960] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.113061] ? __lock_acquire+0x62f/0x4c20 [ 292.117292] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.122386] ? __lock_acquire+0x62f/0x4c20 [ 292.126615] ? should_fail+0x22d/0xd01 [ 292.130497] ? find_held_lock+0x36/0x1c0 [ 292.134559] ? mark_held_locks+0x130/0x130 [ 292.138791] ? mark_held_locks+0x130/0x130 [ 292.143022] ? zap_class+0x640/0x640 [ 292.146733] ? mark_held_locks+0xc7/0x130 [ 292.150876] ? do_raw_spin_unlock+0xa7/0x330 [ 292.155280] ? zap_class+0x640/0x640 [ 292.158998] ? print_usage_bug+0xc0/0xc0 [ 292.163062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.168679] ? check_preemption_disabled+0x48/0x280 [ 292.173697] ? __lock_is_held+0xb5/0x140 [ 292.177758] __alloc_pages_nodemask+0xa80/0xde0 [ 292.182421] ? zap_class+0x640/0x640 [ 292.186132] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 292.191154] ? find_held_lock+0x36/0x1c0 [ 292.195223] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.199885] ? lock_downgrade+0x900/0x900 [ 292.204047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.209584] cache_grow_begin+0xa5/0x8c0 [ 292.213641] ? do_raw_spin_unlock+0xa7/0x330 [ 292.218055] fallback_alloc+0x204/0x2e0 [ 292.222034] ____cache_alloc_node+0x1c7/0x1e0 [ 292.226529] kmem_cache_alloc_node+0xe3/0x730 [ 292.231019] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.235258] __alloc_skb+0x119/0x770 [ 292.238969] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 292.244244] ? netdev_alloc_frag+0x1f0/0x1f0 [ 292.248644] ? lock_downgrade+0x900/0x900 [ 292.252794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.258323] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.263773] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.269221] ? addrconf_rs_timer+0x690/0x690 [ 292.273635] ndisc_alloc_skb+0x144/0x340 [ 292.277696] ndisc_send_rs+0x331/0x6e0 [ 292.281585] addrconf_rs_timer+0x314/0x690 [ 292.285817] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.290056] call_timer_fn+0x272/0x920 [ 292.293937] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.298175] ? process_timeout+0x40/0x40 [ 292.302238] ? __run_timers+0x7da/0xc70 [ 292.306207] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.310696] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.315187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.319417] ? lockdep_hardirqs_on+0x296/0x5b0 [ 292.323996] ? trace_hardirqs_on+0xbd/0x310 [ 292.328311] ? kasan_check_read+0x11/0x20 [ 292.332455] ? __run_timers+0x7da/0xc70 [ 292.336425] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.341527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.345761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.349987] __run_timers+0x7e5/0xc70 [ 292.353796] ? timer_fixup_init+0x70/0x70 [ 292.357947] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.362433] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.366939] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 292.371516] ? trace_hardirqs_on+0xbd/0x310 [ 292.375833] ? kasan_check_read+0x11/0x20 [ 292.379975] ? finish_task_switch+0x1f4/0x910 [ 292.384469] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.389585] ? compat_start_thread+0x80/0x80 [ 292.394009] ? pvclock_read_flags+0x160/0x160 [ 292.398509] ? __switch_to_asm+0x34/0x70 [ 292.402571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.408191] ? check_preemption_disabled+0x48/0x280 [ 292.413210] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 292.418744] ? rcu_pm_notify+0xc0/0xc0 [ 292.422630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.428163] ? check_preemption_disabled+0x48/0x280 [ 292.433181] run_timer_softirq+0x52/0xb0 [ 292.437237] ? rcu_read_lock_sched_held+0x14f/0x180 [ 292.442248] __do_softirq+0x308/0xb7e [ 292.446051] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 292.451176] ? smpboot_thread_fn+0x334/0xa00 [ 292.455583] ? schedule+0x108/0x460 [ 292.459218] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 292.464087] ? trace_hardirqs_off+0xb8/0x310 [ 292.468492] ? smpboot_thread_fn+0x68b/0xa00 [ 292.472905] ? trace_hardirqs_on+0x310/0x310 [ 292.477312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.482843] ? check_preemption_disabled+0x48/0x280 [ 292.487852] ? takeover_tasklets+0xa90/0xa90 [ 292.492254] run_ksoftirqd+0x5e/0x100 [ 292.496049] smpboot_thread_fn+0x68b/0xa00 [ 292.500288] ? sort_range+0x30/0x30 [ 292.503927] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.509025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.514559] ? __kthread_parkme+0xfb/0x1a0 [ 292.518796] ? sort_range+0x30/0x30 [ 292.522433] kthread+0x35a/0x440 [ 292.525797] ? kthread_stop+0x900/0x900 [ 292.529769] ret_from_fork+0x3a/0x50 [ 292.533503] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 292.533507] warn_alloc_show_mem: 1 callbacks suppressed [ 292.533513] Mem-Info: [ 292.540435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.545796] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 292.545796] active_file:12 inactive_file:11 isolated_file:0 [ 292.545796] unevictable:0 dirty:0 writeback:0 unstable:0 [ 292.545796] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 292.545796] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 292.545796] free:13782 free_pcp:358 free_cma:0 [ 292.548166] Call Trace: [ 292.557540] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 292.590387] [ 292.592950] 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 [ 292.620456] dump_stack+0x244/0x39d [ 292.622584] lowmem_reserve[]: 0 2818 6321 6321 [ 292.648686] ? dump_stack_print_info.cold.1+0x20/0x20 [ 292.652383] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 292.656969] warn_alloc.cold.116+0xb7/0x1bd [ 292.662123] lowmem_reserve[]: 0 0 3503 3503 [ 292.689784] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.694074] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 292.698387] ? lock_downgrade+0x900/0x900 [ 292.703199] lowmem_reserve[]: 0 0 0 0 [ 292.732166] ? trace_hardirqs_off+0xb8/0x310 [ 292.736283] 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 [ 292.740078] ? trace_hardirqs_off+0xb8/0x310 [ 292.744455] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 292.757971] __alloc_pages_slowpath+0x26e8/0x2e10 [ 292.762347] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 292.777529] ? warn_alloc+0x120/0x120 [ 292.782327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 292.797227] ? print_usage_bug+0xc0/0xc0 [ 292.801005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 292.809821] ? warn_alloc+0x120/0x120 [ 292.813852] 266 total pagecache pages [ 292.822430] ? warn_alloc+0x120/0x120 [ 292.826208] 0 pages in swap cache [ 292.829991] ? print_usage_bug+0xc0/0xc0 [ 292.833769] Swap cache stats: add 0, delete 0, find 0/0 [ 292.837209] ? print_usage_bug+0xc0/0xc0 [ 292.841252] Free swap = 0kB [ 292.846689] ? __lock_acquire+0x62f/0x4c20 [ 292.850722] Total swap = 0kB [ 292.853732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.857938] 1965979 pages RAM [ 292.860944] ? should_fail+0x22d/0xd01 [ 292.866448] 0 pages HighMem/MovableOnly [ 292.869543] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.873410] 342854 pages reserved [ 292.877371] ? __lock_acquire+0x62f/0x4c20 [ 292.882444] 0 pages cma reserved [ 292.885884] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.890151] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.893439] ? __lock_acquire+0x62f/0x4c20 [ 292.893452] ? should_fail+0x22d/0xd01 [ 292.893467] ? find_held_lock+0x36/0x1c0 [ 292.898592] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.905026] ? mark_held_locks+0x130/0x130 [ 292.909227] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 292.913100] ? mark_held_locks+0x130/0x130 [ 292.940509] ? zap_class+0x640/0x640 [ 292.944225] ? zap_class+0x640/0x640 [ 292.947939] ? print_usage_bug+0xc0/0xc0 [ 292.951992] ? do_raw_spin_unlock+0xa7/0x330 [ 292.956401] ? zap_class+0x640/0x640 [ 292.960112] ? print_usage_bug+0xc0/0xc0 [ 292.964170] ? wq_watchdog_touch+0x9c/0xfe [ 292.968404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.973936] ? check_preemption_disabled+0x48/0x280 [ 292.978956] ? __lock_is_held+0xb5/0x140 [ 292.983023] __alloc_pages_nodemask+0xa80/0xde0 [ 292.987686] ? zap_class+0x640/0x640 [ 292.991402] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 292.996422] ? find_held_lock+0x36/0x1c0 [ 293.000487] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.005151] ? lock_downgrade+0x900/0x900 [ 293.009299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.014835] cache_grow_begin+0xa5/0x8c0 [ 293.018899] ? do_raw_spin_unlock+0xa7/0x330 [ 293.023310] fallback_alloc+0x204/0x2e0 [ 293.027290] ____cache_alloc_node+0x1c7/0x1e0 [ 293.031784] kmem_cache_alloc_node+0xe3/0x730 [ 293.036274] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.040513] __alloc_skb+0x119/0x770 [ 293.044242] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.049516] ? netdev_alloc_frag+0x1f0/0x1f0 [ 293.053918] ? lock_downgrade+0x900/0x900 [ 293.058076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.063607] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.069067] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.074515] ? addrconf_rs_timer+0x690/0x690 [ 293.078930] ndisc_alloc_skb+0x144/0x340 [ 293.082994] ndisc_send_rs+0x331/0x6e0 [ 293.086884] addrconf_rs_timer+0x314/0x690 [ 293.091119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.095358] call_timer_fn+0x272/0x920 [ 293.099246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.103479] ? process_timeout+0x40/0x40 [ 293.107546] ? mark_held_locks+0xc7/0x130 [ 293.111688] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.116176] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.120661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.124895] ? lockdep_hardirqs_on+0x296/0x5b0 [ 293.129477] ? trace_hardirqs_on+0xbd/0x310 [ 293.133791] ? kasan_check_read+0x11/0x20 [ 293.137931] ? __run_timers+0x7da/0xc70 [ 293.141905] ? trace_hardirqs_off_caller+0x310/0x310 [ 293.147011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.151244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.155477] __run_timers+0x7e5/0xc70 [ 293.159281] ? timer_fixup_init+0x70/0x70 [ 293.163430] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.168442] ? zap_class+0x640/0x640 [ 293.172158] ? print_usage_bug+0xc0/0xc0 [ 293.176217] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.181411] ? find_held_lock+0x36/0x1c0 [ 293.185470] ? zap_class+0x640/0x640 [ 293.189184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.194716] ? check_preemption_disabled+0x48/0x280 [ 293.199740] ? __lock_is_held+0xb5/0x140 [ 293.203799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.209341] ? check_preemption_disabled+0x48/0x280 [ 293.214358] run_timer_softirq+0x52/0xb0 [ 293.218417] ? rcu_read_lock_sched_held+0x14f/0x180 [ 293.223430] __do_softirq+0x308/0xb7e [ 293.227228] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 293.231730] ? lock_downgrade+0x900/0x900 [ 293.235875] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 293.240980] ? pvclock_read_flags+0x160/0x160 [ 293.245472] ? lapic_next_event+0x5a/0x90 [ 293.249621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.255157] ? kvm_clock_read+0x18/0x30 [ 293.259126] ? kvm_sched_clock_read+0x9/0x20 [ 293.263545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.269077] ? check_preemption_disabled+0x48/0x280 [ 293.274097] irq_exit+0x17f/0x1c0 [ 293.277548] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.282394] ? smp_reschedule_interrupt+0x109/0x650 [ 293.287408] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.293286] ? interrupt_entry+0xb5/0xc0 [ 293.297342] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.302359] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.307372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.312209] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.317231] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.322239] ? task_prio+0x50/0x50 [ 293.325774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.331305] ? check_preemption_disabled+0x48/0x280 [ 293.336322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.341168] apic_timer_interrupt+0xf/0x20 [ 293.345391] [ 293.347624] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 293.352640] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 293.371533] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 293.379233] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 293.386497] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 293.393760] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 293.401024] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 293.408379] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 293.415673] rcu_read_lock_held+0xa9/0xc0 [ 293.419823] css_next_child+0x2a2/0x620 [ 293.423800] ? cgroup_mount+0xd30/0xd30 [ 293.427799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.433425] ? check_preemption_disabled+0x48/0x280 [ 293.438443] ? __lock_is_held+0xb5/0x140 [ 293.442510] css_next_descendant_pre+0xeb/0x190 [ 293.447188] mem_cgroup_iter+0x42f/0x1160 [ 293.451334] ? kasan_check_write+0x14/0x20 [ 293.455578] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 293.460329] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.465350] ? shrink_slab+0xfa/0x8c0 [ 293.469145] ? shrink_active_list+0x1f00/0x1f00 [ 293.473840] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 293.479465] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 293.484566] ? cgroup_procs_write_finish+0xf0/0xf0 [ 293.489497] ? find_held_lock+0x36/0x1c0 [ 293.493560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.499092] ? vmpressure+0x1a2/0x340 [ 293.502897] shrink_node+0x516/0x16b0 [ 293.506693] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 293.511989] ? shrink_node_memcg+0x18f0/0x18f0 [ 293.516571] ? kvm_clock_read+0x18/0x30 [ 293.520538] ? ktime_get+0x2c1/0x400 [ 293.524249] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 293.528742] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.534273] ? __cpuset_node_allowed+0x19b/0x660 [ 293.539038] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 293.544744] ? delayacct_end+0x5a/0x100 [ 293.548720] do_try_to_free_pages+0x3e7/0x1290 [ 293.553296] ? zap_class+0x640/0x640 [ 293.557017] ? shrink_node+0x16b0/0x16b0 [ 293.561073] ? __lock_is_held+0xb5/0x140 [ 293.565141] try_to_free_pages+0x4d0/0xb90 [ 293.569376] ? do_try_to_free_pages+0x1290/0x1290 [ 293.574223] ? lock_acquire+0x1ed/0x520 [ 293.578190] ? set_page_refcounted+0x280/0x280 [ 293.582771] ? lock_release+0xa00/0xa00 [ 293.586836] ? _raw_spin_unlock_irq+0x60/0x80 [ 293.591331] ? psi_memstall_enter+0x240/0x2b0 [ 293.595824] ? psi_memstall_tick+0x230/0x230 [ 293.600237] __alloc_pages_slowpath+0xa14/0x2e10 [ 293.605011] ? warn_alloc+0x120/0x120 [ 293.608823] ? mark_held_locks+0x130/0x130 [ 293.613056] ? find_get_entry+0xaae/0x1120 [ 293.617297] ? filemap_map_pages+0x1a20/0x1a20 [ 293.621885] ? zap_class+0x640/0x640 [ 293.625620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.631156] ? check_preemption_disabled+0x48/0x280 [ 293.636609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.642144] ? should_fail+0x22d/0xd01 [ 293.646036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.651135] ? zap_class+0x640/0x640 [ 293.654868] ? __lock_is_held+0xb5/0x140 [ 293.658932] ? mark_held_locks+0x130/0x130 [ 293.663163] ? lock_release+0xa00/0xa00 [ 293.667132] ? perf_trace_sched_process_exec+0x860/0x860 [ 293.672577] ? xa_load+0x2ba/0x460 [ 293.676111] ? lock_downgrade+0x900/0x900 [ 293.680258] ? __might_sleep+0x95/0x190 [ 293.684244] __alloc_pages_nodemask+0xa80/0xde0 [ 293.688914] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 293.693926] ? __page_cache_alloc+0x191/0x5c0 [ 293.698413] ? xa_load+0x2e1/0x460 [ 293.701959] ? xa_clear_mark+0x40/0x40 [ 293.705846] ? zap_class+0x640/0x640 [ 293.709562] ? zap_class+0x640/0x640 [ 293.713271] ? zap_class+0x640/0x640 [ 293.716983] ? __do_page_cache_readahead+0x663/0x810 [ 293.722086] ? find_held_lock+0x36/0x1c0 [ 293.726148] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 293.731688] alloc_pages_current+0x173/0x350 [ 293.736095] __page_cache_alloc+0x38c/0x5c0 [ 293.740411] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 293.745335] ? kasan_check_read+0x11/0x20 [ 293.749476] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.754754] ? generic_perform_write+0x6a0/0x6a0 [ 293.759526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.765065] ? check_preemption_disabled+0x48/0x280 [ 293.770087] filemap_fault+0x1595/0x25f0 [ 293.774155] ? __lock_page_or_retry+0xa00/0xa00 [ 293.778823] ? mark_held_locks+0x130/0x130 [ 293.783063] ? filemap_map_pages+0xd6b/0x1a20 [ 293.787557] ? lock_downgrade+0x900/0x900 [ 293.791699] ? check_preemption_disabled+0x48/0x280 [ 293.796713] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 293.802122] ? kasan_check_read+0x11/0x20 [ 293.806278] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.811553] ? rcu_softirq_qs+0x20/0x20 [ 293.815534] ? filemap_map_pages+0xd92/0x1a20 [ 293.820031] ? print_usage_bug+0xc0/0xc0 [ 293.824093] ? find_get_entries_tag+0x1400/0x1400 [ 293.828936] ? __kasan_slab_free+0x102/0x150 [ 293.833338] ? kasan_slab_free+0xe/0x10 [ 293.837315] ? kmem_cache_free+0x83/0x290 [ 293.841461] ? __sigqueue_free.part.29+0x74/0x90 [ 293.846231] ? lock_acquire+0x1ed/0x520 [ 293.850203] ? ext4_filemap_fault+0x7a/0xad [ 293.857134] ? lock_release+0xa00/0xa00 [ 293.861101] ? perf_trace_sched_process_exec+0x860/0x860 [ 293.866550] ? print_usage_bug+0xc0/0xc0 [ 293.870607] ? print_usage_bug+0xc0/0xc0 [ 293.874677] ? down_read+0x8d/0x120 [ 293.878297] ? ext4_filemap_fault+0x7a/0xad [ 293.882618] ? __down_interruptible+0x700/0x700 [ 293.887290] ext4_filemap_fault+0x82/0xad [ 293.891439] __do_fault+0x100/0x6b0 [ 293.895069] ? pmd_devmap_trans_unstable+0x220/0x220 [ 293.900789] ? mark_held_locks+0x130/0x130 [ 293.905022] ? mark_held_locks+0x130/0x130 [ 293.909258] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 293.914797] ? rcu_pm_notify+0xc0/0xc0 [ 293.918687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.924228] __handle_mm_fault+0x3ea0/0x5be0 [ 293.928654] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 293.933490] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.937982] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 293.942566] ? trace_hardirqs_on+0xbd/0x310 [ 293.946885] ? kasan_check_read+0x11/0x20 [ 293.951028] ? __set_current_blocked+0xdf/0x120 [ 293.955696] ? trace_hardirqs_off_caller+0x310/0x310 [ 293.960806] ? zap_class+0x640/0x640 [ 293.964512] ? zap_class+0x640/0x640 [ 293.968229] ? find_held_lock+0x36/0x1c0 [ 293.972292] ? handle_mm_fault+0x42a/0xc70 [ 293.976529] ? lock_downgrade+0x900/0x900 [ 293.980675] ? check_preemption_disabled+0x48/0x280 [ 293.985704] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 293.990628] ? kasan_check_read+0x11/0x20 [ 293.994778] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.000052] ? rcu_softirq_qs+0x20/0x20 [ 294.004022] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.009124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.014661] ? check_preemption_disabled+0x48/0x280 [ 294.019680] handle_mm_fault+0x54f/0xc70 [ 294.023742] ? __handle_mm_fault+0x5be0/0x5be0 [ 294.028333] ? find_vma+0x34/0x190 [ 294.031877] __do_page_fault+0x5e8/0xe60 [ 294.035938] ? exit_to_usermode_loop+0x1f4/0x380 [ 294.040702] do_page_fault+0xf2/0x7e0 [ 294.044500] ? vmalloc_sync_all+0x30/0x30 [ 294.048645] ? error_entry+0x70/0xd0 [ 294.052360] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.057384] ? trace_hardirqs_on_caller+0xc0/0x310 [ 294.062316] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.067243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.072089] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.077104] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.082553] ? prepare_exit_to_usermode+0x291/0x3b0 [ 294.087564] ? page_fault+0x8/0x30 [ 294.091102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.095943] ? page_fault+0x8/0x30 [ 294.099480] page_fault+0x1e/0x30 [ 294.102926] RIP: 0033:0x45db60 [ 294.106128] Code: Bad RIP value. [ 294.109484] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 294.114841] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 294.122106] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 294.129372] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 294.136637] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 294.143912] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 294.151216] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 294.151278] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.157967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.157972] Call Trace: [ 294.157990] dump_stack+0x244/0x39d [ 294.158011] ? dump_stack_print_info.cold.1+0x20/0x20 [ 294.164552] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.173834] warn_alloc.cold.116+0xb7/0x1bd [ 294.176385] syz-fuzzer cpuset=/ mems_allowed=0 [ 294.180004] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.209102] ? lock_downgrade+0x900/0x900 [ 294.213257] ? trace_hardirqs_off+0xb8/0x310 [ 294.217667] ? trace_hardirqs_off+0xb8/0x310 [ 294.222080] __alloc_pages_slowpath+0x26e8/0x2e10 [ 294.226958] ? warn_alloc+0x120/0x120 [ 294.230761] ? print_usage_bug+0xc0/0xc0 [ 294.234826] ? warn_alloc+0x120/0x120 [ 294.238630] ? warn_alloc+0x120/0x120 [ 294.242428] ? print_usage_bug+0xc0/0xc0 [ 294.246494] ? print_usage_bug+0xc0/0xc0 [ 294.250557] ? __lock_acquire+0x62f/0x4c20 [ 294.254799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.260333] ? should_fail+0x22d/0xd01 [ 294.264220] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.269321] ? __lock_acquire+0x62f/0x4c20 [ 294.273572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.278670] ? __lock_acquire+0x62f/0x4c20 [ 294.282904] ? should_fail+0x22d/0xd01 [ 294.286790] ? find_held_lock+0x36/0x1c0 [ 294.290853] ? mark_held_locks+0x130/0x130 [ 294.295102] ? mark_held_locks+0x130/0x130 [ 294.299329] ? zap_class+0x640/0x640 [ 294.303040] ? zap_class+0x640/0x640 [ 294.306757] ? print_usage_bug+0xc0/0xc0 [ 294.310815] ? do_raw_spin_unlock+0xa7/0x330 [ 294.315217] ? zap_class+0x640/0x640 [ 294.318932] ? print_usage_bug+0xc0/0xc0 [ 294.322989] ? wq_watchdog_touch+0x9c/0xfe [ 294.327225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.332769] ? check_preemption_disabled+0x48/0x280 [ 294.337794] ? __lock_is_held+0xb5/0x140 [ 294.341856] __alloc_pages_nodemask+0xa80/0xde0 [ 294.346519] ? zap_class+0x640/0x640 [ 294.350232] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 294.355254] ? find_held_lock+0x36/0x1c0 [ 294.359335] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.363998] ? lock_downgrade+0x900/0x900 [ 294.368164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.373704] cache_grow_begin+0xa5/0x8c0 [ 294.377771] ? do_raw_spin_unlock+0xa7/0x330 [ 294.382180] fallback_alloc+0x204/0x2e0 [ 294.386161] ____cache_alloc_node+0x1c7/0x1e0 [ 294.390656] kmem_cache_alloc_node+0xe3/0x730 [ 294.395150] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.399390] __alloc_skb+0x119/0x770 [ 294.403103] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.408377] ? netdev_alloc_frag+0x1f0/0x1f0 [ 294.412787] ? lock_downgrade+0x900/0x900 [ 294.416938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.422475] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.427926] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.433373] ? addrconf_rs_timer+0x690/0x690 [ 294.437877] ndisc_alloc_skb+0x144/0x340 [ 294.441937] ndisc_send_rs+0x331/0x6e0 [ 294.445826] addrconf_rs_timer+0x314/0x690 [ 294.450063] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.454307] call_timer_fn+0x272/0x920 [ 294.458192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.462419] ? process_timeout+0x40/0x40 [ 294.466482] ? __run_timers+0x7da/0xc70 [ 294.470456] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.474945] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.479448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.483680] ? lockdep_hardirqs_on+0x296/0x5b0 [ 294.488261] ? trace_hardirqs_on+0xbd/0x310 [ 294.492577] ? kasan_check_read+0x11/0x20 [ 294.496730] ? __run_timers+0x7da/0xc70 [ 294.500704] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.505810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.510049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.514276] __run_timers+0x7e5/0xc70 [ 294.518081] ? timer_fixup_init+0x70/0x70 [ 294.522226] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.526723] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.531222] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 294.535800] ? trace_hardirqs_on+0xbd/0x310 [ 294.540117] ? kasan_check_read+0x11/0x20 [ 294.544265] ? finish_task_switch+0x1f4/0x910 [ 294.548764] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.553863] ? compat_start_thread+0x80/0x80 [ 294.558287] ? pvclock_read_flags+0x160/0x160 [ 294.562782] ? __switch_to_asm+0x34/0x70 [ 294.566850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.572384] ? check_preemption_disabled+0x48/0x280 [ 294.577404] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 294.582937] ? rcu_pm_notify+0xc0/0xc0 [ 294.586821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.592357] ? check_preemption_disabled+0x48/0x280 [ 294.597376] run_timer_softirq+0x52/0xb0 [ 294.601432] ? rcu_read_lock_sched_held+0x14f/0x180 [ 294.606446] __do_softirq+0x308/0xb7e [ 294.610253] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 294.615355] ? smpboot_thread_fn+0x334/0xa00 [ 294.619782] ? schedule+0x108/0x460 [ 294.623405] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.628163] ? trace_hardirqs_off+0xb8/0x310 [ 294.632568] ? smpboot_thread_fn+0x68b/0xa00 [ 294.636972] ? trace_hardirqs_on+0x310/0x310 [ 294.641380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.646918] ? check_preemption_disabled+0x48/0x280 [ 294.651931] ? takeover_tasklets+0xa90/0xa90 [ 294.656336] run_ksoftirqd+0x5e/0x100 [ 294.660134] smpboot_thread_fn+0x68b/0xa00 [ 294.664367] ? sort_range+0x30/0x30 [ 294.667990] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.673089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.678624] ? __kthread_parkme+0xfb/0x1a0 [ 294.682958] ? sort_range+0x30/0x30 [ 294.686584] kthread+0x35a/0x440 [ 294.689963] ? kthread_stop+0x900/0x900 [ 294.693944] ret_from_fork+0x3a/0x50 [ 294.697672] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 294.697677] warn_alloc_show_mem: 1 callbacks suppressed [ 294.697683] Mem-Info: [ 294.704610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.710084] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 294.710084] active_file:12 inactive_file:11 isolated_file:0 [ 294.710084] unevictable:0 dirty:0 writeback:0 unstable:0 [ 294.710084] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 294.710084] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 294.710084] free:13782 free_pcp:358 free_cma:0 [ 294.712457] Call Trace: [ 294.721832] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 294.754682] [ 294.757255] 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 [ 294.784740] dump_stack+0x244/0x39d [ 294.784759] ? dump_stack_print_info.cold.1+0x20/0x20 [ 294.786879] lowmem_reserve[]: 0 2818 6321 6321 [ 294.812989] warn_alloc.cold.116+0xb7/0x1bd [ 294.816580] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 294.821778] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.826327] lowmem_reserve[]: 0 0 3503 3503 [ 294.830648] ? lock_downgrade+0x900/0x900 [ 294.858291] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 294.863132] ? trace_hardirqs_off+0xb8/0x310 [ 294.867420] lowmem_reserve[]: 0 0 0 0 [ 294.871574] ? trace_hardirqs_off+0xb8/0x310 [ 294.900779] 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 [ 294.905186] __alloc_pages_slowpath+0x26e8/0x2e10 [ 294.908955] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 294.913378] ? warn_alloc+0x120/0x120 [ 294.926847] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 294.931698] ? print_usage_bug+0xc0/0xc0 [ 294.946851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 294.950635] ? warn_alloc+0x120/0x120 [ 294.965612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 294.969662] ? warn_alloc+0x120/0x120 [ 294.978474] 266 total pagecache pages [ 294.982264] ? print_usage_bug+0xc0/0xc0 [ 294.990925] 0 pages in swap cache [ 294.994712] ? kvm_clock_read+0x18/0x30 [ 294.998494] Swap cache stats: add 0, delete 0, find 0/0 [ 295.002558] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 295.005983] Free swap = 0kB [ 295.009943] ? print_usage_bug+0xc0/0xc0 [ 295.015275] Total swap = 0kB [ 295.020277] ? __lock_acquire+0x62f/0x4c20 [ 295.023271] 1965979 pages RAM [ 295.027318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.030306] 0 pages HighMem/MovableOnly [ 295.034527] ? should_fail+0x22d/0xd01 [ 295.037602] 342854 pages reserved [ 295.043127] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.047102] 0 pages cma reserved [ 295.050975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.054463] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 295.059681] ? __lock_acquire+0x62f/0x4c20 [ 295.063097] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.068131] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.074612] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 295.078837] ? __lock_acquire+0x62f/0x4c20 [ 295.103172] ? should_fail+0x22d/0xd01 [ 295.107060] ? rcu_irq_exit+0x1a2/0x390 [ 295.111041] ? mark_held_locks+0x130/0x130 [ 295.115276] ? mark_held_locks+0x130/0x130 [ 295.119511] ? mark_held_locks+0xc7/0x130 [ 295.123655] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 295.128681] ? zap_class+0x640/0x640 [ 295.132393] ? print_usage_bug+0xc0/0xc0 [ 295.136457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.141990] ? check_preemption_disabled+0x48/0x280 [ 295.147013] ? __lock_is_held+0xb5/0x140 [ 295.151072] __alloc_pages_nodemask+0xa80/0xde0 [ 295.155738] ? zap_class+0x640/0x640 [ 295.159450] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 295.164477] ? find_held_lock+0x36/0x1c0 [ 295.168683] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.173348] ? lock_downgrade+0x900/0x900 [ 295.177499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.183045] cache_grow_begin+0xa5/0x8c0 [ 295.187102] ? do_raw_spin_unlock+0xa7/0x330 [ 295.191520] fallback_alloc+0x204/0x2e0 [ 295.195495] ____cache_alloc_node+0x1c7/0x1e0 [ 295.199996] kmem_cache_alloc_node+0xe3/0x730 [ 295.204489] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.208733] __alloc_skb+0x119/0x770 [ 295.212441] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.217732] ? netdev_alloc_frag+0x1f0/0x1f0 [ 295.222136] ? lock_downgrade+0x900/0x900 [ 295.226290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.231846] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.237297] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.242745] ? addrconf_rs_timer+0x690/0x690 [ 295.247159] ndisc_alloc_skb+0x144/0x340 [ 295.251224] ndisc_send_rs+0x331/0x6e0 [ 295.255111] addrconf_rs_timer+0x314/0x690 [ 295.259348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.263588] call_timer_fn+0x272/0x920 [ 295.267470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.271703] ? process_timeout+0x40/0x40 [ 295.275774] ? mark_held_locks+0xc7/0x130 [ 295.279918] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.284411] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.288904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.293135] ? lockdep_hardirqs_on+0x296/0x5b0 [ 295.297716] ? trace_hardirqs_on+0xbd/0x310 [ 295.302034] ? kasan_check_read+0x11/0x20 [ 295.306175] ? __run_timers+0x7da/0xc70 [ 295.310154] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.315259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.319495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.323725] __run_timers+0x7e5/0xc70 [ 295.327534] ? timer_fixup_init+0x70/0x70 [ 295.331683] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.336699] ? zap_class+0x640/0x640 [ 295.340413] ? print_usage_bug+0xc0/0xc0 [ 295.344473] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.349669] ? find_held_lock+0x36/0x1c0 [ 295.353734] ? zap_class+0x640/0x640 [ 295.357447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.362982] ? check_preemption_disabled+0x48/0x280 [ 295.368001] ? __lock_is_held+0xb5/0x140 [ 295.372058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.377590] ? check_preemption_disabled+0x48/0x280 [ 295.382605] run_timer_softirq+0x52/0xb0 [ 295.386670] ? rcu_read_lock_sched_held+0x14f/0x180 [ 295.391685] __do_softirq+0x308/0xb7e [ 295.395486] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 295.399979] ? lock_downgrade+0x900/0x900 [ 295.404128] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 295.409236] ? pvclock_read_flags+0x160/0x160 [ 295.413730] ? lapic_next_event+0x5a/0x90 [ 295.417876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.423418] ? kvm_clock_read+0x18/0x30 [ 295.427387] ? kvm_sched_clock_read+0x9/0x20 [ 295.431796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.437341] ? check_preemption_disabled+0x48/0x280 [ 295.442361] irq_exit+0x17f/0x1c0 [ 295.445813] smp_apic_timer_interrupt+0x1cb/0x760 [ 295.450655] ? smp_reschedule_interrupt+0x109/0x650 [ 295.455682] ? smp_call_function_single_interrupt+0x650/0x650 [ 295.461562] ? interrupt_entry+0xb5/0xc0 [ 295.465624] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.470651] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.475668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.480506] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.485545] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.490558] ? task_prio+0x50/0x50 [ 295.494096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.499652] ? check_preemption_disabled+0x48/0x280 [ 295.504675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.509521] apic_timer_interrupt+0xf/0x20 [ 295.513746] [ 295.515980] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 295.520994] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 295.539887] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 295.547588] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 295.554853] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 295.562119] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 295.569384] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 295.576648] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 295.583938] rcu_read_lock_held+0xa9/0xc0 [ 295.588086] css_next_child+0x2a2/0x620 [ 295.592060] ? cgroup_mount+0xd30/0xd30 [ 295.596034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.601571] ? check_preemption_disabled+0x48/0x280 [ 295.606594] ? __lock_is_held+0xb5/0x140 [ 295.610674] css_next_descendant_pre+0xeb/0x190 [ 295.615341] mem_cgroup_iter+0x42f/0x1160 [ 295.619493] ? kasan_check_write+0x14/0x20 [ 295.623732] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 295.628486] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.633504] ? shrink_slab+0xfa/0x8c0 [ 295.637301] ? shrink_active_list+0x1f00/0x1f00 [ 295.641974] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 295.647594] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.652706] ? cgroup_procs_write_finish+0xf0/0xf0 [ 295.657648] ? find_held_lock+0x36/0x1c0 [ 295.661708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.667252] ? vmpressure+0x1a2/0x340 [ 295.671052] shrink_node+0x516/0x16b0 [ 295.674850] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 295.680148] ? shrink_node_memcg+0x18f0/0x18f0 [ 295.684735] ? kvm_clock_read+0x18/0x30 [ 295.688705] ? ktime_get+0x2c1/0x400 [ 295.692419] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 295.696913] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 295.702548] ? __cpuset_node_allowed+0x19b/0x660 [ 295.707306] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 295.713018] ? delayacct_end+0x5a/0x100 [ 295.716997] do_try_to_free_pages+0x3e7/0x1290 [ 295.721574] ? zap_class+0x640/0x640 [ 295.725296] ? shrink_node+0x16b0/0x16b0 [ 295.729358] ? __lock_is_held+0xb5/0x140 [ 295.733427] try_to_free_pages+0x4d0/0xb90 [ 295.737667] ? do_try_to_free_pages+0x1290/0x1290 [ 295.742517] ? lock_acquire+0x1ed/0x520 [ 295.746488] ? set_page_refcounted+0x280/0x280 [ 295.751069] ? lock_release+0xa00/0xa00 [ 295.755038] ? _raw_spin_unlock_irq+0x60/0x80 [ 295.759529] ? psi_memstall_enter+0x240/0x2b0 [ 295.764019] ? psi_memstall_tick+0x230/0x230 [ 295.768433] __alloc_pages_slowpath+0xa14/0x2e10 [ 295.773208] ? warn_alloc+0x120/0x120 [ 295.777005] ? mark_held_locks+0x130/0x130 [ 295.781249] ? find_get_entry+0xaae/0x1120 [ 295.785486] ? filemap_map_pages+0x1a20/0x1a20 [ 295.790070] ? zap_class+0x640/0x640 [ 295.793896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.799432] ? check_preemption_disabled+0x48/0x280 [ 295.804993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.810532] ? should_fail+0x22d/0xd01 [ 295.814423] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.819524] ? zap_class+0x640/0x640 [ 295.823259] ? __lock_is_held+0xb5/0x140 [ 295.827326] ? mark_held_locks+0x130/0x130 [ 295.831573] ? lock_release+0xa00/0xa00 [ 295.835553] ? perf_trace_sched_process_exec+0x860/0x860 [ 295.841000] ? xa_load+0x2ba/0x460 [ 295.844537] ? lock_downgrade+0x900/0x900 [ 295.848686] ? __might_sleep+0x95/0x190 [ 295.852661] __alloc_pages_nodemask+0xa80/0xde0 [ 295.857334] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 295.862347] ? __page_cache_alloc+0x191/0x5c0 [ 295.866838] ? xa_load+0x2e1/0x460 [ 295.870379] ? xa_clear_mark+0x40/0x40 [ 295.874267] ? zap_class+0x640/0x640 [ 295.877984] ? zap_class+0x640/0x640 [ 295.881699] ? zap_class+0x640/0x640 [ 295.885412] ? __do_page_cache_readahead+0x663/0x810 [ 295.890512] ? find_held_lock+0x36/0x1c0 [ 295.894575] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 295.900119] alloc_pages_current+0x173/0x350 [ 295.904532] __page_cache_alloc+0x38c/0x5c0 [ 295.908852] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 295.913781] ? kasan_check_read+0x11/0x20 [ 295.917923] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.923202] ? generic_perform_write+0x6a0/0x6a0 [ 295.927953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.933486] ? check_preemption_disabled+0x48/0x280 [ 295.938508] filemap_fault+0x1595/0x25f0 [ 295.942578] ? __lock_page_or_retry+0xa00/0xa00 [ 295.947249] ? mark_held_locks+0x130/0x130 [ 295.951486] ? filemap_map_pages+0xd6b/0x1a20 [ 295.955978] ? lock_downgrade+0x900/0x900 [ 295.960124] ? check_preemption_disabled+0x48/0x280 [ 295.965146] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 295.970072] ? kasan_check_read+0x11/0x20 [ 295.974219] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.979496] ? rcu_softirq_qs+0x20/0x20 [ 295.983476] ? filemap_map_pages+0xd92/0x1a20 [ 295.987972] ? print_usage_bug+0xc0/0xc0 [ 295.992033] ? find_get_entries_tag+0x1400/0x1400 [ 295.996870] ? __kasan_slab_free+0x102/0x150 [ 296.001276] ? kasan_slab_free+0xe/0x10 [ 296.005246] ? kmem_cache_free+0x83/0x290 [ 296.009389] ? __sigqueue_free.part.29+0x74/0x90 [ 296.014160] ? lock_acquire+0x1ed/0x520 [ 296.018132] ? ext4_filemap_fault+0x7a/0xad [ 296.022460] ? lock_release+0xa00/0xa00 [ 296.026432] ? perf_trace_sched_process_exec+0x860/0x860 [ 296.031879] ? print_usage_bug+0xc0/0xc0 [ 296.035936] ? print_usage_bug+0xc0/0xc0 [ 296.040007] ? down_read+0x8d/0x120 [ 296.043626] ? ext4_filemap_fault+0x7a/0xad [ 296.047949] ? __down_interruptible+0x700/0x700 [ 296.052627] ext4_filemap_fault+0x82/0xad [ 296.056773] __do_fault+0x100/0x6b0 [ 296.060397] ? pmd_devmap_trans_unstable+0x220/0x220 [ 296.065499] ? mark_held_locks+0x130/0x130 [ 296.069732] ? mark_held_locks+0x130/0x130 [ 296.073964] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 296.079499] ? rcu_pm_notify+0xc0/0xc0 [ 296.083388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.088924] __handle_mm_fault+0x3ea0/0x5be0 [ 296.093337] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 296.098172] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.102669] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 296.107248] ? trace_hardirqs_on+0xbd/0x310 [ 296.111571] ? kasan_check_read+0x11/0x20 [ 296.115722] ? __set_current_blocked+0xdf/0x120 [ 296.120392] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.125501] ? zap_class+0x640/0x640 [ 296.129213] ? zap_class+0x640/0x640 [ 296.132930] ? find_held_lock+0x36/0x1c0 [ 296.137001] ? handle_mm_fault+0x42a/0xc70 [ 296.141247] ? lock_downgrade+0x900/0x900 [ 296.145395] ? check_preemption_disabled+0x48/0x280 [ 296.150408] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 296.155336] ? kasan_check_read+0x11/0x20 [ 296.159479] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.164751] ? rcu_softirq_qs+0x20/0x20 [ 296.168720] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.173818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.179350] ? check_preemption_disabled+0x48/0x280 [ 296.184368] handle_mm_fault+0x54f/0xc70 [ 296.188428] ? __handle_mm_fault+0x5be0/0x5be0 [ 296.193011] ? find_vma+0x34/0x190 [ 296.196555] __do_page_fault+0x5e8/0xe60 [ 296.200620] ? exit_to_usermode_loop+0x1f4/0x380 [ 296.205393] do_page_fault+0xf2/0x7e0 [ 296.209189] ? vmalloc_sync_all+0x30/0x30 [ 296.213346] ? error_entry+0x70/0xd0 [ 296.217060] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.222069] ? trace_hardirqs_on_caller+0xc0/0x310 [ 296.226995] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.231918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.236755] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.241767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.247218] ? prepare_exit_to_usermode+0x291/0x3b0 [ 296.252232] ? page_fault+0x8/0x30 [ 296.255776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.260619] ? page_fault+0x8/0x30 [ 296.264158] page_fault+0x1e/0x30 [ 296.267607] RIP: 0033:0x45db60 [ 296.270810] Code: Bad RIP value. [ 296.274172] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 296.279542] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 296.286826] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 296.294092] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 296.301367] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 296.308630] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 296.315921] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 296.315981] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.322687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.322692] Call Trace: [ 296.322709] dump_stack+0x244/0x39d [ 296.322728] ? dump_stack_print_info.cold.1+0x20/0x20 [ 296.329241] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.338548] warn_alloc.cold.116+0xb7/0x1bd [ 296.341103] syz-fuzzer cpuset=/ mems_allowed=0 [ 296.344714] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.373785] ? lock_downgrade+0x900/0x900 [ 296.377936] ? trace_hardirqs_off+0xb8/0x310 [ 296.382350] ? trace_hardirqs_off+0xb8/0x310 [ 296.386766] __alloc_pages_slowpath+0x26e8/0x2e10 [ 296.391633] ? warn_alloc+0x120/0x120 [ 296.395432] ? print_usage_bug+0xc0/0xc0 [ 296.399489] ? warn_alloc+0x120/0x120 [ 296.403287] ? warn_alloc+0x120/0x120 [ 296.407202] ? print_usage_bug+0xc0/0xc0 [ 296.411261] ? print_usage_bug+0xc0/0xc0 [ 296.415318] ? __lock_acquire+0x62f/0x4c20 [ 296.419560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.425109] ? should_fail+0x22d/0xd01 [ 296.428996] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.434096] ? __lock_acquire+0x62f/0x4c20 [ 296.438334] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.443431] ? __lock_acquire+0x62f/0x4c20 [ 296.447659] ? should_fail+0x22d/0xd01 [ 296.451543] ? find_held_lock+0x36/0x1c0 [ 296.455624] ? mark_held_locks+0x130/0x130 [ 296.459862] ? mark_held_locks+0x130/0x130 [ 296.464104] ? zap_class+0x640/0x640 [ 296.467820] ? mark_held_locks+0xc7/0x130 [ 296.471962] ? do_raw_spin_unlock+0xa7/0x330 [ 296.476370] ? zap_class+0x640/0x640 [ 296.480079] ? print_usage_bug+0xc0/0xc0 [ 296.484139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.489676] ? check_preemption_disabled+0x48/0x280 [ 296.494712] ? __lock_is_held+0xb5/0x140 [ 296.498779] __alloc_pages_nodemask+0xa80/0xde0 [ 296.503443] ? zap_class+0x640/0x640 [ 296.507159] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 296.512179] ? find_held_lock+0x36/0x1c0 [ 296.516245] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.520914] ? lock_downgrade+0x900/0x900 [ 296.525071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.530615] cache_grow_begin+0xa5/0x8c0 [ 296.534673] ? do_raw_spin_unlock+0xa7/0x330 [ 296.539100] fallback_alloc+0x204/0x2e0 [ 296.543075] ____cache_alloc_node+0x1c7/0x1e0 [ 296.547580] kmem_cache_alloc_node+0xe3/0x730 [ 296.552070] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.556310] __alloc_skb+0x119/0x770 [ 296.560017] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.565291] ? netdev_alloc_frag+0x1f0/0x1f0 [ 296.569695] ? lock_downgrade+0x900/0x900 [ 296.573845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.579378] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.584831] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.590276] ? addrconf_rs_timer+0x690/0x690 [ 296.594693] ndisc_alloc_skb+0x144/0x340 [ 296.598754] ndisc_send_rs+0x331/0x6e0 [ 296.602641] addrconf_rs_timer+0x314/0x690 [ 296.606875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.611121] call_timer_fn+0x272/0x920 [ 296.615001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.619231] ? process_timeout+0x40/0x40 [ 296.623293] ? __run_timers+0x7da/0xc70 [ 296.627264] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.631755] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.636243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.640478] ? lockdep_hardirqs_on+0x296/0x5b0 [ 296.645059] ? trace_hardirqs_on+0xbd/0x310 [ 296.649376] ? kasan_check_read+0x11/0x20 [ 296.653516] ? __run_timers+0x7da/0xc70 [ 296.657493] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.662603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.666841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.671417] __run_timers+0x7e5/0xc70 [ 296.675226] ? timer_fixup_init+0x70/0x70 [ 296.679367] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.683860] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.688354] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 296.692932] ? trace_hardirqs_on+0xbd/0x310 [ 296.697246] ? kasan_check_read+0x11/0x20 [ 296.701398] ? finish_task_switch+0x1f4/0x910 [ 296.705889] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.710986] ? compat_start_thread+0x80/0x80 [ 296.715407] ? pvclock_read_flags+0x160/0x160 [ 296.719897] ? __switch_to_asm+0x34/0x70 [ 296.723954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.729490] ? check_preemption_disabled+0x48/0x280 [ 296.734510] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 296.740049] ? rcu_pm_notify+0xc0/0xc0 [ 296.743937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.749566] ? check_preemption_disabled+0x48/0x280 [ 296.754585] run_timer_softirq+0x52/0xb0 [ 296.758640] ? rcu_read_lock_sched_held+0x14f/0x180 [ 296.763655] __do_softirq+0x308/0xb7e [ 296.767461] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 296.772568] ? smpboot_thread_fn+0x334/0xa00 [ 296.776974] ? schedule+0x108/0x460 [ 296.780595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.785353] ? trace_hardirqs_off+0xb8/0x310 [ 296.789758] ? smpboot_thread_fn+0x68b/0xa00 [ 296.794161] ? trace_hardirqs_on+0x310/0x310 [ 296.798571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.804107] ? check_preemption_disabled+0x48/0x280 [ 296.809122] ? takeover_tasklets+0xa90/0xa90 [ 296.813973] run_ksoftirqd+0x5e/0x100 [ 296.817774] smpboot_thread_fn+0x68b/0xa00 [ 296.822008] ? sort_range+0x30/0x30 [ 296.825634] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.830734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.836268] ? __kthread_parkme+0xfb/0x1a0 [ 296.840500] ? sort_range+0x30/0x30 [ 296.844127] kthread+0x35a/0x440 [ 296.847493] ? kthread_stop+0x900/0x900 [ 296.851471] ret_from_fork+0x3a/0x50 [ 296.855198] warn_alloc_show_mem: 1 callbacks suppressed [ 296.855207] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 296.855209] Mem-Info: [ 296.855242] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 296.855242] active_file:12 inactive_file:11 isolated_file:0 [ 296.855242] unevictable:0 dirty:0 writeback:0 unstable:0 [ 296.855242] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 296.855242] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 296.855242] free:13782 free_pcp:358 free_cma:0 [ 296.860574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.867499] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 296.869890] Call Trace: [ 296.902760] 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 [ 296.912100] [ 296.939579] lowmem_reserve[]: 0 2818 6321 6321 [ 296.942157] dump_stack+0x244/0x39d [ 296.968236] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 296.970384] ? dump_stack_print_info.cold.1+0x20/0x20 [ 296.974938] lowmem_reserve[]: 0 0 3503 3503 [ 296.978568] warn_alloc.cold.116+0xb7/0x1bd [ 297.006203] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 297.011385] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.015688] lowmem_reserve[]: 0 0 0 0 [ 297.020001] ? lock_downgrade+0x900/0x900 [ 297.048944] 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 [ 297.053784] ? trace_hardirqs_off+0xb8/0x310 [ 297.057557] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 297.061704] ? trace_hardirqs_off+0xb8/0x310 [ 297.075206] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 297.079617] __alloc_pages_slowpath+0x26e8/0x2e10 [ 297.094763] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 297.099179] ? warn_alloc+0x120/0x120 [ 297.114050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 297.118877] ? print_usage_bug+0xc0/0xc0 [ 297.127686] 266 total pagecache pages [ 297.131475] ? warn_alloc+0x120/0x120 [ 297.140036] 0 pages in swap cache [ 297.144087] ? warn_alloc+0x120/0x120 [ 297.147991] Swap cache stats: add 0, delete 0, find 0/0 [ 297.151780] ? print_usage_bug+0xc0/0xc0 [ 297.155205] Free swap = 0kB [ 297.158997] ? print_usage_bug+0xc0/0xc0 [ 297.164338] Total swap = 0kB [ 297.164345] 1965979 pages RAM [ 297.168392] ? __lock_acquire+0x62f/0x4c20 [ 297.171386] 0 pages HighMem/MovableOnly [ 297.175434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.178427] 342854 pages reserved [ 297.181525] ? should_fail+0x22d/0xd01 [ 297.185735] 0 pages cma reserved [ 297.189707] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.195275] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 297.198657] ? __lock_acquire+0x62f/0x4c20 [ 297.202598] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 297.205883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.210959] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 297.217447] ? __lock_acquire+0x62f/0x4c20 [ 297.217461] ? should_fail+0x22d/0xd01 [ 297.249789] ? find_held_lock+0x36/0x1c0 [ 297.253853] ? mark_held_locks+0x130/0x130 [ 297.258179] ? mark_held_locks+0x130/0x130 [ 297.262407] ? zap_class+0x640/0x640 [ 297.266116] ? zap_class+0x640/0x640 [ 297.269827] ? print_usage_bug+0xc0/0xc0 [ 297.273885] ? do_raw_spin_unlock+0xa7/0x330 [ 297.278289] ? zap_class+0x640/0x640 [ 297.282000] ? print_usage_bug+0xc0/0xc0 [ 297.286062] ? wq_watchdog_touch+0x9c/0xfe [ 297.290298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.295836] ? check_preemption_disabled+0x48/0x280 [ 297.300859] ? __lock_is_held+0xb5/0x140 [ 297.304941] __alloc_pages_nodemask+0xa80/0xde0 [ 297.309608] ? zap_class+0x640/0x640 [ 297.313322] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 297.318348] ? find_held_lock+0x36/0x1c0 [ 297.322413] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.327093] ? lock_downgrade+0x900/0x900 [ 297.331243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.336785] cache_grow_begin+0xa5/0x8c0 [ 297.340855] ? do_raw_spin_unlock+0xa7/0x330 [ 297.345270] fallback_alloc+0x204/0x2e0 [ 297.349248] ____cache_alloc_node+0x1c7/0x1e0 [ 297.353746] kmem_cache_alloc_node+0xe3/0x730 [ 297.358240] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.362492] __alloc_skb+0x119/0x770 [ 297.366202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.371488] ? netdev_alloc_frag+0x1f0/0x1f0 [ 297.375894] ? lock_downgrade+0x900/0x900 [ 297.380045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.385583] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.391034] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.396488] ? addrconf_rs_timer+0x690/0x690 [ 297.400914] ndisc_alloc_skb+0x144/0x340 [ 297.404974] ndisc_send_rs+0x331/0x6e0 [ 297.408867] addrconf_rs_timer+0x314/0x690 [ 297.413102] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.417342] call_timer_fn+0x272/0x920 [ 297.421225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.425456] ? process_timeout+0x40/0x40 [ 297.429525] ? mark_held_locks+0xc7/0x130 [ 297.433673] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.438161] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.442654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.446889] ? lockdep_hardirqs_on+0x296/0x5b0 [ 297.451488] ? trace_hardirqs_on+0xbd/0x310 [ 297.455807] ? kasan_check_read+0x11/0x20 [ 297.459949] ? __run_timers+0x7da/0xc70 [ 297.463935] ? trace_hardirqs_off_caller+0x310/0x310 [ 297.469039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.473272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.477500] __run_timers+0x7e5/0xc70 [ 297.481304] ? timer_fixup_init+0x70/0x70 [ 297.485450] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 297.490488] ? zap_class+0x640/0x640 [ 297.494207] ? print_usage_bug+0xc0/0xc0 [ 297.498271] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 297.503470] ? find_held_lock+0x36/0x1c0 [ 297.507531] ? zap_class+0x640/0x640 [ 297.511244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.516790] ? check_preemption_disabled+0x48/0x280 [ 297.521816] ? __lock_is_held+0xb5/0x140 [ 297.525872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.531406] ? check_preemption_disabled+0x48/0x280 [ 297.536421] run_timer_softirq+0x52/0xb0 [ 297.540489] ? rcu_read_lock_sched_held+0x14f/0x180 [ 297.545503] __do_softirq+0x308/0xb7e [ 297.549307] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 297.553801] ? lock_downgrade+0x900/0x900 [ 297.557947] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 297.563054] ? pvclock_read_flags+0x160/0x160 [ 297.567548] ? lapic_next_event+0x5a/0x90 [ 297.571694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.577232] ? kvm_clock_read+0x18/0x30 [ 297.581205] ? kvm_sched_clock_read+0x9/0x20 [ 297.585615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.591148] ? check_preemption_disabled+0x48/0x280 [ 297.596257] irq_exit+0x17f/0x1c0 [ 297.599711] smp_apic_timer_interrupt+0x1cb/0x760 [ 297.604551] ? smp_reschedule_interrupt+0x109/0x650 [ 297.609566] ? smp_call_function_single_interrupt+0x650/0x650 [ 297.615445] ? interrupt_entry+0xb5/0xc0 [ 297.619517] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.624530] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.629547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.634658] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.639672] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.644686] ? task_prio+0x50/0x50 [ 297.648227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.653760] ? check_preemption_disabled+0x48/0x280 [ 297.658780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.663626] apic_timer_interrupt+0xf/0x20 [ 297.667849] [ 297.670083] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 297.675100] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 297.693995] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 297.701697] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 297.708958] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 297.716247] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 297.723513] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 297.730777] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 297.738066] rcu_read_lock_held+0xa9/0xc0 [ 297.742210] css_next_child+0x2a2/0x620 [ 297.746186] ? cgroup_mount+0xd30/0xd30 [ 297.750164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.755786] ? check_preemption_disabled+0x48/0x280 [ 297.760805] ? __lock_is_held+0xb5/0x140 [ 297.764876] css_next_descendant_pre+0xeb/0x190 [ 297.769545] mem_cgroup_iter+0x42f/0x1160 [ 297.773695] ? kasan_check_write+0x14/0x20 [ 297.777932] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 297.782685] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 297.787702] ? shrink_slab+0xfa/0x8c0 [ 297.791499] ? shrink_active_list+0x1f00/0x1f00 [ 297.796171] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 297.802307] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 297.807415] ? cgroup_procs_write_finish+0xf0/0xf0 [ 297.812353] ? find_held_lock+0x36/0x1c0 [ 297.816412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.821954] ? vmpressure+0x1a2/0x340 [ 297.825758] shrink_node+0x516/0x16b0 [ 297.829555] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 297.834853] ? shrink_node_memcg+0x18f0/0x18f0 [ 297.839441] ? kvm_clock_read+0x18/0x30 [ 297.843411] ? ktime_get+0x2c1/0x400 [ 297.847128] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 297.851623] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 297.857154] ? __cpuset_node_allowed+0x19b/0x660 [ 297.861909] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 297.867619] ? delayacct_end+0x5a/0x100 [ 297.871601] do_try_to_free_pages+0x3e7/0x1290 [ 297.876191] ? zap_class+0x640/0x640 [ 297.879916] ? shrink_node+0x16b0/0x16b0 [ 297.883977] ? __lock_is_held+0xb5/0x140 [ 297.888050] try_to_free_pages+0x4d0/0xb90 [ 297.892286] ? do_try_to_free_pages+0x1290/0x1290 [ 297.897137] ? lock_acquire+0x1ed/0x520 [ 297.901107] ? set_page_refcounted+0x280/0x280 [ 297.905689] ? lock_release+0xa00/0xa00 [ 297.909664] ? _raw_spin_unlock_irq+0x60/0x80 [ 297.914155] ? psi_memstall_enter+0x240/0x2b0 [ 297.918645] ? psi_memstall_tick+0x230/0x230 [ 297.923062] __alloc_pages_slowpath+0xa14/0x2e10 [ 297.927837] ? warn_alloc+0x120/0x120 [ 297.931632] ? mark_held_locks+0x130/0x130 [ 297.935874] ? find_get_entry+0xaae/0x1120 [ 297.940114] ? filemap_map_pages+0x1a20/0x1a20 [ 297.944697] ? zap_class+0x640/0x640 [ 297.948413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.953954] ? check_preemption_disabled+0x48/0x280 [ 297.958984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.964519] ? should_fail+0x22d/0xd01 [ 297.968411] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.973523] ? zap_class+0x640/0x640 [ 297.977255] ? __lock_is_held+0xb5/0x140 [ 297.981321] ? mark_held_locks+0x130/0x130 [ 297.985553] ? lock_release+0xa00/0xa00 [ 297.989525] ? perf_trace_sched_process_exec+0x860/0x860 [ 297.994974] ? xa_load+0x2ba/0x460 [ 297.998510] ? lock_downgrade+0x900/0x900 [ 298.002661] ? __might_sleep+0x95/0x190 [ 298.006640] __alloc_pages_nodemask+0xa80/0xde0 [ 298.011311] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 298.016331] ? __page_cache_alloc+0x191/0x5c0 [ 298.020833] ? xa_load+0x2e1/0x460 [ 298.024373] ? xa_clear_mark+0x40/0x40 [ 298.028259] ? zap_class+0x640/0x640 [ 298.031976] ? zap_class+0x640/0x640 [ 298.035685] ? zap_class+0x640/0x640 [ 298.039399] ? __do_page_cache_readahead+0x663/0x810 [ 298.044509] ? find_held_lock+0x36/0x1c0 [ 298.048570] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 298.054112] alloc_pages_current+0x173/0x350 [ 298.058522] __page_cache_alloc+0x38c/0x5c0 [ 298.062841] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 298.067766] ? kasan_check_read+0x11/0x20 [ 298.071909] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.077187] ? generic_perform_write+0x6a0/0x6a0 [ 298.081941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.087485] ? check_preemption_disabled+0x48/0x280 [ 298.092515] filemap_fault+0x1595/0x25f0 [ 298.096585] ? __lock_page_or_retry+0xa00/0xa00 [ 298.101263] ? mark_held_locks+0x130/0x130 [ 298.105506] ? filemap_map_pages+0xd6b/0x1a20 [ 298.110001] ? lock_downgrade+0x900/0x900 [ 298.114159] ? check_preemption_disabled+0x48/0x280 [ 298.119174] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 298.124098] ? kasan_check_read+0x11/0x20 [ 298.128255] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.133525] ? rcu_softirq_qs+0x20/0x20 [ 298.137505] ? filemap_map_pages+0xd92/0x1a20 [ 298.142004] ? print_usage_bug+0xc0/0xc0 [ 298.146067] ? find_get_entries_tag+0x1400/0x1400 [ 298.150906] ? __kasan_slab_free+0x102/0x150 [ 298.155308] ? kasan_slab_free+0xe/0x10 [ 298.159275] ? kmem_cache_free+0x83/0x290 [ 298.163425] ? __sigqueue_free.part.29+0x74/0x90 [ 298.168191] ? lock_acquire+0x1ed/0x520 [ 298.172159] ? ext4_filemap_fault+0x7a/0xad [ 298.176481] ? lock_release+0xa00/0xa00 [ 298.180450] ? perf_trace_sched_process_exec+0x860/0x860 [ 298.185901] ? print_usage_bug+0xc0/0xc0 [ 298.189963] ? print_usage_bug+0xc0/0xc0 [ 298.194029] ? down_read+0x8d/0x120 [ 298.197648] ? ext4_filemap_fault+0x7a/0xad [ 298.201971] ? __down_interruptible+0x700/0x700 [ 298.206642] ext4_filemap_fault+0x82/0xad [ 298.210791] __do_fault+0x100/0x6b0 [ 298.214429] ? pmd_devmap_trans_unstable+0x220/0x220 [ 298.219545] ? mark_held_locks+0x130/0x130 [ 298.223775] ? mark_held_locks+0x130/0x130 [ 298.228007] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 298.233542] ? rcu_pm_notify+0xc0/0xc0 [ 298.237438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.242979] __handle_mm_fault+0x3ea0/0x5be0 [ 298.247390] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 298.252235] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.256730] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 298.261308] ? trace_hardirqs_on+0xbd/0x310 [ 298.265627] ? kasan_check_read+0x11/0x20 [ 298.269770] ? __set_current_blocked+0xdf/0x120 [ 298.274435] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.279547] ? zap_class+0x640/0x640 [ 298.283260] ? zap_class+0x640/0x640 [ 298.286973] ? find_held_lock+0x36/0x1c0 [ 298.291041] ? handle_mm_fault+0x42a/0xc70 [ 298.295273] ? lock_downgrade+0x900/0x900 [ 298.299424] ? check_preemption_disabled+0x48/0x280 [ 298.304441] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 298.309363] ? kasan_check_read+0x11/0x20 [ 298.313513] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.318784] ? rcu_softirq_qs+0x20/0x20 [ 298.322751] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.327852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.333397] ? check_preemption_disabled+0x48/0x280 [ 298.338428] handle_mm_fault+0x54f/0xc70 [ 298.342489] ? __handle_mm_fault+0x5be0/0x5be0 [ 298.347072] ? find_vma+0x34/0x190 [ 298.350613] __do_page_fault+0x5e8/0xe60 [ 298.354672] ? exit_to_usermode_loop+0x1f4/0x380 [ 298.359434] do_page_fault+0xf2/0x7e0 [ 298.363233] ? vmalloc_sync_all+0x30/0x30 [ 298.367378] ? error_entry+0x70/0xd0 [ 298.371095] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.376108] ? trace_hardirqs_on_caller+0xc0/0x310 [ 298.381034] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.385959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.390799] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.395818] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.401270] ? prepare_exit_to_usermode+0x291/0x3b0 [ 298.406281] ? page_fault+0x8/0x30 [ 298.409821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.414661] ? page_fault+0x8/0x30 [ 298.418198] page_fault+0x1e/0x30 [ 298.421646] RIP: 0033:0x45db60 [ 298.424844] Code: Bad RIP value. [ 298.428199] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 298.433560] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 298.440838] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 298.448101] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 298.455367] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 298.462659] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 298.469950] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 298.470012] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.476701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.476706] Call Trace: [ 298.476723] dump_stack+0x244/0x39d [ 298.476742] ? dump_stack_print_info.cold.1+0x20/0x20 [ 298.483320] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.492801] warn_alloc.cold.116+0xb7/0x1bd [ 298.495350] syz-fuzzer cpuset=/ mems_allowed=0 [ 298.498966] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.528041] ? lock_downgrade+0x900/0x900 [ 298.532191] ? trace_hardirqs_off+0xb8/0x310 [ 298.536602] ? trace_hardirqs_off+0xb8/0x310 [ 298.541017] __alloc_pages_slowpath+0x26e8/0x2e10 [ 298.545878] ? warn_alloc+0x120/0x120 [ 298.549680] ? print_usage_bug+0xc0/0xc0 [ 298.553740] ? warn_alloc+0x120/0x120 [ 298.557543] ? warn_alloc+0x120/0x120 [ 298.561344] ? print_usage_bug+0xc0/0xc0 [ 298.565419] ? print_usage_bug+0xc0/0xc0 [ 298.569486] ? __lock_acquire+0x62f/0x4c20 [ 298.573721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.579251] ? should_fail+0x22d/0xd01 [ 298.583138] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.588236] ? __lock_acquire+0x62f/0x4c20 [ 298.592478] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.597575] ? __lock_acquire+0x62f/0x4c20 [ 298.601801] ? should_fail+0x22d/0xd01 [ 298.605687] ? find_held_lock+0x36/0x1c0 [ 298.609751] ? mark_held_locks+0x130/0x130 [ 298.613987] ? mark_held_locks+0x130/0x130 [ 298.618214] ? zap_class+0x640/0x640 [ 298.621929] ? mark_held_locks+0xc7/0x130 [ 298.626070] ? do_raw_spin_unlock+0xa7/0x330 [ 298.630477] ? zap_class+0x640/0x640 [ 298.634185] ? print_usage_bug+0xc0/0xc0 [ 298.638244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.643775] ? check_preemption_disabled+0x48/0x280 [ 298.648807] ? __lock_is_held+0xb5/0x140 [ 298.652870] __alloc_pages_nodemask+0xa80/0xde0 [ 298.657547] ? zap_class+0x640/0x640 [ 298.661264] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 298.666284] ? find_held_lock+0x36/0x1c0 [ 298.670347] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.675378] ? lock_downgrade+0x900/0x900 [ 298.679538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.685075] cache_grow_begin+0xa5/0x8c0 [ 298.689128] ? do_raw_spin_unlock+0xa7/0x330 [ 298.693539] fallback_alloc+0x204/0x2e0 [ 298.697517] ____cache_alloc_node+0x1c7/0x1e0 [ 298.702013] kmem_cache_alloc_node+0xe3/0x730 [ 298.706505] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.710749] __alloc_skb+0x119/0x770 [ 298.714461] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.719743] ? netdev_alloc_frag+0x1f0/0x1f0 [ 298.724146] ? lock_downgrade+0x900/0x900 [ 298.728299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.733836] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.739290] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.744738] ? addrconf_rs_timer+0x690/0x690 [ 298.749153] ndisc_alloc_skb+0x144/0x340 [ 298.753213] ndisc_send_rs+0x331/0x6e0 [ 298.757099] addrconf_rs_timer+0x314/0x690 [ 298.761331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.765591] call_timer_fn+0x272/0x920 [ 298.769474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.773703] ? process_timeout+0x40/0x40 [ 298.777768] ? __run_timers+0x7da/0xc70 [ 298.781741] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.786227] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.790725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.794954] ? lockdep_hardirqs_on+0x296/0x5b0 [ 298.799532] ? trace_hardirqs_on+0xbd/0x310 [ 298.803851] ? kasan_check_read+0x11/0x20 [ 298.807993] ? __run_timers+0x7da/0xc70 [ 298.811979] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.817079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.821316] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.825556] __run_timers+0x7e5/0xc70 [ 298.829372] ? timer_fixup_init+0x70/0x70 [ 298.833523] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.838012] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.842515] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 298.847093] ? trace_hardirqs_on+0xbd/0x310 [ 298.851427] ? kasan_check_read+0x11/0x20 [ 298.855576] ? finish_task_switch+0x1f4/0x910 [ 298.860071] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.865172] ? compat_start_thread+0x80/0x80 [ 298.869596] ? pvclock_read_flags+0x160/0x160 [ 298.874096] ? __switch_to_asm+0x34/0x70 [ 298.878156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.883690] ? check_preemption_disabled+0x48/0x280 [ 298.888709] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 298.894244] ? rcu_pm_notify+0xc0/0xc0 [ 298.898130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.903663] ? check_preemption_disabled+0x48/0x280 [ 298.908683] run_timer_softirq+0x52/0xb0 [ 298.912743] ? rcu_read_lock_sched_held+0x14f/0x180 [ 298.917767] __do_softirq+0x308/0xb7e [ 298.921685] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 298.926784] ? smpboot_thread_fn+0x334/0xa00 [ 298.931194] ? schedule+0x108/0x460 [ 298.934815] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 298.939579] ? trace_hardirqs_off+0xb8/0x310 [ 298.943982] ? smpboot_thread_fn+0x68b/0xa00 [ 298.948392] ? trace_hardirqs_on+0x310/0x310 [ 298.952797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.958341] ? check_preemption_disabled+0x48/0x280 [ 298.963363] ? takeover_tasklets+0xa90/0xa90 [ 298.967772] run_ksoftirqd+0x5e/0x100 [ 298.971573] smpboot_thread_fn+0x68b/0xa00 [ 298.975805] ? sort_range+0x30/0x30 [ 298.979427] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.984536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.990069] ? __kthread_parkme+0xfb/0x1a0 [ 298.994305] ? sort_range+0x30/0x30 [ 298.997936] kthread+0x35a/0x440 [ 299.001305] ? kthread_stop+0x900/0x900 [ 299.005294] ret_from_fork+0x3a/0x50 [ 299.009033] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 299.009037] warn_alloc_show_mem: 1 callbacks suppressed [ 299.009043] Mem-Info: [ 299.015957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.021322] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 299.021322] active_file:12 inactive_file:11 isolated_file:0 [ 299.021322] unevictable:0 dirty:0 writeback:0 unstable:0 [ 299.021322] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 299.021322] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 299.021322] free:13782 free_pcp:358 free_cma:0 [ 299.023693] Call Trace: [ 299.033066] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 299.065904] [ 299.068468] 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 [ 299.095967] dump_stack+0x244/0x39d [ 299.098091] lowmem_reserve[]: 0 2818 6321 6321 [ 299.124192] ? dump_stack_print_info.cold.1+0x20/0x20 [ 299.127793] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 299.132378] warn_alloc.cold.116+0xb7/0x1bd [ 299.137537] lowmem_reserve[]: 0 0 3503 3503 [ 299.165200] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.169494] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 299.173807] ? lock_downgrade+0x900/0x900 [ 299.178620] lowmem_reserve[]: 0 0 0 0 [ 299.207809] ? trace_hardirqs_off+0xb8/0x310 [ 299.211924] 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 [ 299.215730] ? trace_hardirqs_off+0xb8/0x310 [ 299.220110] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 299.233626] __alloc_pages_slowpath+0x26e8/0x2e10 [ 299.238004] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 299.253191] ? warn_alloc+0x120/0x120 [ 299.257994] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 299.272888] ? print_usage_bug+0xc0/0xc0 [ 299.276668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 299.285483] ? warn_alloc+0x120/0x120 [ 299.289520] 266 total pagecache pages [ 299.298082] ? warn_alloc+0x120/0x120 [ 299.301861] 0 pages in swap cache [ 299.305645] ? print_usage_bug+0xc0/0xc0 [ 299.309421] Swap cache stats: add 0, delete 0, find 0/0 [ 299.312861] ? kvm_clock_read+0x18/0x30 [ 299.316896] Free swap = 0kB [ 299.322247] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 299.326195] Total swap = 0kB [ 299.329201] ? print_usage_bug+0xc0/0xc0 [ 299.334191] 1965979 pages RAM [ 299.337199] ? __lock_acquire+0x62f/0x4c20 [ 299.341331] 0 pages HighMem/MovableOnly [ 299.344434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.348640] 342854 pages reserved [ 299.352606] ? should_fail+0x22d/0xd01 [ 299.358110] 0 pages cma reserved [ 299.361550] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.365469] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.368769] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.374093] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.380500] ? __lock_acquire+0x62f/0x4c20 [ 299.385574] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 299.395878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.409826] ? __lock_acquire+0x62f/0x4c20 [ 299.414060] ? should_fail+0x22d/0xd01 [ 299.417944] ? rcu_irq_exit+0x1a2/0x390 [ 299.421924] ? mark_held_locks+0x130/0x130 [ 299.426173] ? mark_held_locks+0x130/0x130 [ 299.430408] ? mark_held_locks+0xc7/0x130 [ 299.434553] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 299.439566] ? zap_class+0x640/0x640 [ 299.443279] ? print_usage_bug+0xc0/0xc0 [ 299.447349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.452883] ? check_preemption_disabled+0x48/0x280 [ 299.457902] ? __lock_is_held+0xb5/0x140 [ 299.461968] __alloc_pages_nodemask+0xa80/0xde0 [ 299.466636] ? zap_class+0x640/0x640 [ 299.470354] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 299.475378] ? find_held_lock+0x36/0x1c0 [ 299.479443] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.484109] ? lock_downgrade+0x900/0x900 [ 299.488262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.493808] cache_grow_begin+0xa5/0x8c0 [ 299.497887] ? do_raw_spin_unlock+0xa7/0x330 [ 299.502303] fallback_alloc+0x204/0x2e0 [ 299.506282] ____cache_alloc_node+0x1c7/0x1e0 [ 299.510786] kmem_cache_alloc_node+0xe3/0x730 [ 299.515279] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.519530] __alloc_skb+0x119/0x770 [ 299.523236] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.528510] ? netdev_alloc_frag+0x1f0/0x1f0 [ 299.532915] ? lock_downgrade+0x900/0x900 [ 299.537065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.542599] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.548048] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.553498] ? addrconf_rs_timer+0x690/0x690 [ 299.557915] ndisc_alloc_skb+0x144/0x340 [ 299.561974] ndisc_send_rs+0x331/0x6e0 [ 299.565864] addrconf_rs_timer+0x314/0x690 [ 299.570100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.574344] call_timer_fn+0x272/0x920 [ 299.578227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.582459] ? process_timeout+0x40/0x40 [ 299.586525] ? mark_held_locks+0xc7/0x130 [ 299.590668] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.595156] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.599644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.603877] ? lockdep_hardirqs_on+0x296/0x5b0 [ 299.608460] ? trace_hardirqs_on+0xbd/0x310 [ 299.612780] ? kasan_check_read+0x11/0x20 [ 299.616921] ? __run_timers+0x7da/0xc70 [ 299.620893] ? trace_hardirqs_off_caller+0x310/0x310 [ 299.626004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.630237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.634800] __run_timers+0x7e5/0xc70 [ 299.638622] ? timer_fixup_init+0x70/0x70 [ 299.642769] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.647781] ? zap_class+0x640/0x640 [ 299.651498] ? print_usage_bug+0xc0/0xc0 [ 299.655560] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.660750] ? find_held_lock+0x36/0x1c0 [ 299.664816] ? zap_class+0x640/0x640 [ 299.668533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.674068] ? check_preemption_disabled+0x48/0x280 [ 299.679088] ? __lock_is_held+0xb5/0x140 [ 299.683145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.688679] ? check_preemption_disabled+0x48/0x280 [ 299.693696] run_timer_softirq+0x52/0xb0 [ 299.697755] ? rcu_read_lock_sched_held+0x14f/0x180 [ 299.702876] __do_softirq+0x308/0xb7e [ 299.706679] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 299.711168] ? lock_downgrade+0x900/0x900 [ 299.715315] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 299.720433] ? pvclock_read_flags+0x160/0x160 [ 299.724927] ? lapic_next_event+0x5a/0x90 [ 299.729073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.734610] ? kvm_clock_read+0x18/0x30 [ 299.738581] ? kvm_sched_clock_read+0x9/0x20 [ 299.742989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.748522] ? check_preemption_disabled+0x48/0x280 [ 299.753543] irq_exit+0x17f/0x1c0 [ 299.756994] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.761834] ? smp_reschedule_interrupt+0x109/0x650 [ 299.766847] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.772727] ? interrupt_entry+0xb5/0xc0 [ 299.776785] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.781805] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.786821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.791662] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.796674] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.802226] ? task_prio+0x50/0x50 [ 299.805767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.811305] ? check_preemption_disabled+0x48/0x280 [ 299.816322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.821173] apic_timer_interrupt+0xf/0x20 [ 299.825398] [ 299.827635] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 299.832649] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 299.851545] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 299.859251] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 299.866530] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 299.873797] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 299.881060] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 299.888332] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 299.895627] rcu_read_lock_held+0xa9/0xc0 [ 299.899772] css_next_child+0x2a2/0x620 [ 299.903755] ? cgroup_mount+0xd30/0xd30 [ 299.907728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.913270] ? check_preemption_disabled+0x48/0x280 [ 299.918298] ? __lock_is_held+0xb5/0x140 [ 299.922372] css_next_descendant_pre+0xeb/0x190 [ 299.927039] mem_cgroup_iter+0x42f/0x1160 [ 299.931185] ? kasan_check_write+0x14/0x20 [ 299.935427] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 299.940177] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.945198] ? shrink_slab+0xfa/0x8c0 [ 299.948994] ? shrink_active_list+0x1f00/0x1f00 [ 299.953670] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 299.959290] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 299.964393] ? cgroup_procs_write_finish+0xf0/0xf0 [ 299.969325] ? find_held_lock+0x36/0x1c0 [ 299.973387] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.978922] ? vmpressure+0x1a2/0x340 [ 299.982726] shrink_node+0x516/0x16b0 [ 299.986521] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 299.991821] ? shrink_node_memcg+0x18f0/0x18f0 [ 299.996403] ? kvm_clock_read+0x18/0x30 [ 300.000375] ? ktime_get+0x2c1/0x400 [ 300.004088] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 300.008585] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 300.014116] ? __cpuset_node_allowed+0x19b/0x660 [ 300.018872] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 300.024582] ? delayacct_end+0x5a/0x100 [ 300.028559] do_try_to_free_pages+0x3e7/0x1290 [ 300.033135] ? zap_class+0x640/0x640 [ 300.036859] ? shrink_node+0x16b0/0x16b0 [ 300.040916] ? __lock_is_held+0xb5/0x140 [ 300.044986] try_to_free_pages+0x4d0/0xb90 [ 300.049222] ? do_try_to_free_pages+0x1290/0x1290 [ 300.054076] ? lock_acquire+0x1ed/0x520 [ 300.058047] ? set_page_refcounted+0x280/0x280 [ 300.062630] ? lock_release+0xa00/0xa00 [ 300.066599] ? _raw_spin_unlock_irq+0x60/0x80 [ 300.071090] ? psi_memstall_enter+0x240/0x2b0 [ 300.075581] ? psi_memstall_tick+0x230/0x230 [ 300.079996] __alloc_pages_slowpath+0xa14/0x2e10 [ 300.084792] ? warn_alloc+0x120/0x120 [ 300.088589] ? mark_held_locks+0x130/0x130 [ 300.092825] ? find_get_entry+0xaae/0x1120 [ 300.097066] ? filemap_map_pages+0x1a20/0x1a20 [ 300.101657] ? zap_class+0x640/0x640 [ 300.105372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.110906] ? check_preemption_disabled+0x48/0x280 [ 300.115945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.121479] ? should_fail+0x22d/0xd01 [ 300.125369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.130470] ? zap_class+0x640/0x640 [ 300.134201] ? __lock_is_held+0xb5/0x140 [ 300.138278] ? mark_held_locks+0x130/0x130 [ 300.142511] ? lock_release+0xa00/0xa00 [ 300.146486] ? perf_trace_sched_process_exec+0x860/0x860 [ 300.151936] ? xa_load+0x2ba/0x460 [ 300.155476] ? lock_downgrade+0x900/0x900 [ 300.159622] ? __might_sleep+0x95/0x190 [ 300.163596] __alloc_pages_nodemask+0xa80/0xde0 [ 300.168269] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 300.173285] ? __page_cache_alloc+0x191/0x5c0 [ 300.177777] ? xa_load+0x2e1/0x460 [ 300.181315] ? xa_clear_mark+0x40/0x40 [ 300.185199] ? zap_class+0x640/0x640 [ 300.188925] ? zap_class+0x640/0x640 [ 300.192638] ? zap_class+0x640/0x640 [ 300.196348] ? __do_page_cache_readahead+0x663/0x810 [ 300.201450] ? find_held_lock+0x36/0x1c0 [ 300.205512] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 300.211049] alloc_pages_current+0x173/0x350 [ 300.215461] __page_cache_alloc+0x38c/0x5c0 [ 300.219779] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.224703] ? kasan_check_read+0x11/0x20 [ 300.228846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.234124] ? generic_perform_write+0x6a0/0x6a0 [ 300.238874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.244409] ? check_preemption_disabled+0x48/0x280 [ 300.249427] filemap_fault+0x1595/0x25f0 [ 300.253494] ? __lock_page_or_retry+0xa00/0xa00 [ 300.258164] ? mark_held_locks+0x130/0x130 [ 300.262407] ? filemap_map_pages+0xd6b/0x1a20 [ 300.266897] ? lock_downgrade+0x900/0x900 [ 300.271038] ? check_preemption_disabled+0x48/0x280 [ 300.276052] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.280979] ? kasan_check_read+0x11/0x20 [ 300.285123] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.290400] ? rcu_softirq_qs+0x20/0x20 [ 300.294385] ? filemap_map_pages+0xd92/0x1a20 [ 300.298881] ? print_usage_bug+0xc0/0xc0 [ 300.302947] ? find_get_entries_tag+0x1400/0x1400 [ 300.307788] ? __kasan_slab_free+0x102/0x150 [ 300.312195] ? kasan_slab_free+0xe/0x10 [ 300.316187] ? kmem_cache_free+0x83/0x290 [ 300.320336] ? __sigqueue_free.part.29+0x74/0x90 [ 300.325102] ? lock_acquire+0x1ed/0x520 [ 300.329070] ? ext4_filemap_fault+0x7a/0xad [ 300.333393] ? lock_release+0xa00/0xa00 [ 300.337360] ? perf_trace_sched_process_exec+0x860/0x860 [ 300.342809] ? print_usage_bug+0xc0/0xc0 [ 300.346866] ? print_usage_bug+0xc0/0xc0 [ 300.350933] ? down_read+0x8d/0x120 [ 300.354552] ? ext4_filemap_fault+0x7a/0xad [ 300.358875] ? __down_interruptible+0x700/0x700 [ 300.363549] ext4_filemap_fault+0x82/0xad [ 300.367694] __do_fault+0x100/0x6b0 [ 300.371325] ? pmd_devmap_trans_unstable+0x220/0x220 [ 300.376427] ? mark_held_locks+0x130/0x130 [ 300.380662] ? mark_held_locks+0x130/0x130 [ 300.384891] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 300.390426] ? rcu_pm_notify+0xc0/0xc0 [ 300.394316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.399853] __handle_mm_fault+0x3ea0/0x5be0 [ 300.404264] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 300.409098] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.413589] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 300.418283] ? trace_hardirqs_on+0xbd/0x310 [ 300.422599] ? kasan_check_read+0x11/0x20 [ 300.426741] ? __set_current_blocked+0xdf/0x120 [ 300.431424] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.436623] ? zap_class+0x640/0x640 [ 300.440331] ? zap_class+0x640/0x640 [ 300.444049] ? find_held_lock+0x36/0x1c0 [ 300.448115] ? handle_mm_fault+0x42a/0xc70 [ 300.452345] ? lock_downgrade+0x900/0x900 [ 300.456491] ? check_preemption_disabled+0x48/0x280 [ 300.461505] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.466434] ? kasan_check_read+0x11/0x20 [ 300.470580] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.475851] ? rcu_softirq_qs+0x20/0x20 [ 300.479823] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.484924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.490457] ? check_preemption_disabled+0x48/0x280 [ 300.495479] handle_mm_fault+0x54f/0xc70 [ 300.499538] ? __handle_mm_fault+0x5be0/0x5be0 [ 300.504122] ? find_vma+0x34/0x190 [ 300.507664] __do_page_fault+0x5e8/0xe60 [ 300.511734] ? exit_to_usermode_loop+0x1f4/0x380 [ 300.516498] do_page_fault+0xf2/0x7e0 [ 300.520312] ? vmalloc_sync_all+0x30/0x30 [ 300.524455] ? error_entry+0x70/0xd0 [ 300.528168] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.533180] ? trace_hardirqs_on_caller+0xc0/0x310 [ 300.538141] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.543065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.547904] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.552915] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.558368] ? prepare_exit_to_usermode+0x291/0x3b0 [ 300.563379] ? page_fault+0x8/0x30 [ 300.566917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.571764] ? page_fault+0x8/0x30 [ 300.575304] page_fault+0x1e/0x30 [ 300.578757] RIP: 0033:0x45db60 [ 300.581960] Code: Bad RIP value. [ 300.585316] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 300.590688] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 300.597967] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 300.605231] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 300.612495] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 300.619761] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 300.627050] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 300.627080] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 300.634239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.640447] rcu: (detected by 1, t=10697 jiffies, g=13285, q=34) [ 300.649784] Call Trace: [ 300.655999] rcu: All QSes seen, last rcu_preempt kthread activity 10672 (4294967215-4294956543), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 300.656008] syz-fuzzer R running task 12488 5975 5961 0x80000008 [ 300.658584] dump_stack+0x244/0x39d [ 300.671213] Call Trace: [ 300.678405] ? dump_stack_print_info.cold.1+0x20/0x20 [ 300.682005] [ 300.684584] warn_alloc.cold.116+0xb7/0x1bd [ 300.689751] sched_show_task.cold.84+0x2b6/0x30a [ 300.691884] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.696183] ? can_nice.part.74+0x20/0x20 [ 300.700928] ? lock_downgrade+0x900/0x900 [ 300.705751] ? vprintk_default+0x28/0x30 [ 300.709883] ? trace_hardirqs_off+0xb8/0x310 [ 300.714006] ? vprintk_func+0x85/0x181 [ 300.718052] ? trace_hardirqs_off+0xb8/0x310 [ 300.722451] ? vprintk_func+0x85/0x181 [ 300.726340] __alloc_pages_slowpath+0x26e8/0x2e10 [ 300.730742] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 300.734632] ? warn_alloc+0x120/0x120 [ 300.739438] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 300.744176] ? print_usage_bug+0xc0/0xc0 [ 300.747967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.752708] ? warn_alloc+0x120/0x120 [ 300.756755] print_other_cpu_stall.cold.66+0x7dd/0x8bb [ 300.762273] ? warn_alloc+0x120/0x120 [ 300.766064] ? print_usage_bug+0xc0/0xc0 [ 300.771336] ? print_usage_bug+0xc0/0xc0 [ 300.775118] ? rcu_qs+0x110/0x110 [ 300.779163] ? print_usage_bug+0xc0/0xc0 [ 300.783220] ? zap_class+0x640/0x640 [ 300.786739] ? __lock_acquire+0x62f/0x4c20 [ 300.790866] ? print_usage_bug+0xc0/0xc0 [ 300.794563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.798778] ? kasan_check_read+0x11/0x20 [ 300.802828] ? should_fail+0x22d/0xd01 [ 300.808347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.812477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.816346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.821860] ? __lock_acquire+0x62f/0x4c20 [ 300.826946] ? do_trace_rcu_torture_read+0x10/0x10 [ 300.832466] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.836684] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 300.841590] ? __lock_acquire+0x62f/0x4c20 [ 300.846671] ? __lock_is_held+0xb5/0x140 [ 300.851929] ? should_fail+0x22d/0xd01 [ 300.856142] ? __rcu_read_lock+0x50/0x50 [ 300.860188] ? find_held_lock+0x36/0x1c0 [ 300.864061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.868108] ? mark_held_locks+0x130/0x130 [ 300.872144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.877665] ? mark_held_locks+0x130/0x130 [ 300.881882] ? check_preemption_disabled+0x48/0x280 [ 300.887396] ? zap_class+0x640/0x640 [ 300.891617] rcu_check_callbacks+0xfd7/0x13f0 [ 300.896612] ? mark_held_locks+0xc7/0x130 [ 300.900308] ? rcutree_dead_cpu+0x10/0x10 [ 300.904785] ? do_raw_spin_unlock+0xa7/0x330 [ 300.908916] ? lock_downgrade+0x900/0x900 [ 300.913046] ? zap_class+0x640/0x640 [ 300.917435] ? lock_release+0x930/0xa00 [ 300.921563] ? print_usage_bug+0xc0/0xc0 [ 300.925262] ? zap_class+0x640/0x640 [ 300.929217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.933253] ? zap_class+0x640/0x640 [ 300.936951] ? check_preemption_disabled+0x48/0x280 [ 300.942466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.946175] ? __lock_is_held+0xb5/0x140 [ 300.951174] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 300.956695] __alloc_pages_nodemask+0xa80/0xde0 [ 300.960736] ? kvm_set_tsc_khz+0x540/0x540 [ 300.965296] ? zap_class+0x640/0x640 [ 300.969946] ? warn_alloc.cold.116+0xd1/0x1bd [ 300.974174] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 300.977871] ? find_held_lock+0x36/0x1c0 [ 300.982370] ? find_held_lock+0x36/0x1c0 [ 300.987361] ? zap_class+0x640/0x640 [ 300.991408] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.995446] ? timekeeping_advance+0x3cc/0xc00 [ 300.999142] ? lock_downgrade+0x900/0x900 [ 301.003792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.008356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.012482] ? check_preemption_disabled+0x48/0x280 [ 301.018001] cache_grow_begin+0xa5/0x8c0 [ 301.023629] ? trace_hardirqs_off+0xb8/0x310 [ 301.028623] ? do_raw_spin_unlock+0xa7/0x330 [ 301.032664] ? __lock_is_held+0xb5/0x140 [ 301.037059] fallback_alloc+0x204/0x2e0 [ 301.041448] ? trace_hardirqs_on+0x310/0x310 [ 301.045493] ____cache_alloc_node+0x1c7/0x1e0 [ 301.049450] ? check_preemption_disabled+0x48/0x280 [ 301.053841] kmem_cache_alloc_node+0xe3/0x730 [ 301.058319] ? raise_softirq+0x199/0x420 [ 301.063317] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.067789] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 301.071841] __alloc_skb+0x119/0x770 [ 301.076054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.080699] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.080717] ? netdev_alloc_frag+0x1f0/0x1f0 [ 301.084413] ? check_preemption_disabled+0x48/0x280 [ 301.089931] ? lock_downgrade+0x900/0x900 [ 301.095192] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.099592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.104587] ? hrtimer_run_queues+0x9a/0x400 [ 301.108715] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.114236] ? run_local_timers+0x19b/0x230 [ 301.119752] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.124136] ? timer_clear_idle+0x90/0x90 [ 301.129575] ? addrconf_rs_timer+0x690/0x690 [ 301.133876] ? debug_smp_processor_id+0x1c/0x20 [ 301.139317] ndisc_alloc_skb+0x144/0x340 [ 301.143459] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 301.147848] ndisc_send_rs+0x331/0x6e0 [ 301.152498] ? account_process_tick+0x282/0x350 [ 301.156538] addrconf_rs_timer+0x314/0x690 [ 301.162491] update_process_times+0x2d/0x70 [ 301.166372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.171025] tick_sched_handle+0x9f/0x180 [ 301.175245] call_timer_fn+0x272/0x920 [ 301.179559] tick_sched_timer+0x45/0x130 [ 301.183775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.187905] __hrtimer_run_queues+0x41c/0x10d0 [ 301.191771] ? process_timeout+0x40/0x40 [ 301.195820] ? tick_sched_do_timer+0x1a0/0x1a0 [ 301.200036] ? __run_timers+0x7da/0xc70 [ 301.204599] ? hrtimer_start_range_ns+0xe00/0xe00 [ 301.208641] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.213214] ? pvclock_read_flags+0x160/0x160 [ 301.217171] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.221995] ? trace_hardirqs_on+0x310/0x310 [ 301.226471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.230955] ? kvm_clock_read+0x18/0x30 [ 301.235426] ? lockdep_hardirqs_on+0x296/0x5b0 [ 301.239816] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 301.244031] ? trace_hardirqs_on+0xbd/0x310 [ 301.247989] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 301.252553] ? kasan_check_read+0x11/0x20 [ 301.257549] ? do_timer+0x50/0x50 [ 301.261849] ? __run_timers+0x7da/0xc70 [ 301.267193] ? rwlock_bug.part.2+0x90/0x90 [ 301.271321] ? trace_hardirqs_off_caller+0x310/0x310 [ 301.274754] ? trace_hardirqs_on+0x310/0x310 [ 301.278712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.282924] ? rcu_softirq_qs+0x20/0x20 [ 301.288012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.292408] hrtimer_interrupt+0x313/0x780 [ 301.296616] __run_timers+0x7e5/0xc70 [ 301.300586] smp_apic_timer_interrupt+0x1a1/0x760 [ 301.304799] ? timer_fixup_init+0x70/0x70 [ 301.309013] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.312793] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.317619] ? interrupt_entry+0xb5/0xc0 [ 301.321750] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.327620] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.332098] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 301.336147] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.340621] ? trace_hardirqs_on+0xbd/0x310 [ 301.345617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.350181] ? kasan_check_read+0x11/0x20 [ 301.354829] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.359140] ? finish_task_switch+0x1f4/0x910 [ 301.363970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.368094] ? trace_hardirqs_off_caller+0x310/0x310 [ 301.373091] apic_timer_interrupt+0xf/0x20 [ 301.377565] ? compat_start_thread+0x80/0x80 [ 301.382386] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 301.387483] ? pvclock_read_flags+0x160/0x160 [ 301.391685] Code: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 60 [ 301.396070] ? __switch_to_asm+0x34/0x70 [ 301.401411] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 301.405894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.424772] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10038422988 [ 301.428818] ? check_preemption_disabled+0x48/0x280 [ 301.436498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 301.442027] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 301.449274] RBP: ffff8801daf074c0 R08: ffff8801c2114c40 R09: 0000000000000002 [ 301.454286] ? rcu_pm_notify+0xc0/0xc0 [ 301.461534] R10: 0000000000000000 R11: ffff8801c2114300 R12: ffff8801d9a1c0c0 [ 301.467055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.474306] R13: ffff8801d9a1c0c0 R14: 0000000000000000 R15: 0000000000000286 [ 301.478184] ? check_preemption_disabled+0x48/0x280 [ 301.485437] ? apic_timer_interrupt+0xa/0x20 [ 301.490956] run_timer_softirq+0x52/0xb0 [ 301.498226] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.503214] ? rcu_read_lock_sched_held+0x14f/0x180 [ 301.507607] __alloc_skb+0x119/0x770 [ 301.511643] __do_softirq+0x308/0xb7e [ 301.515862] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.520878] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 301.524581] ? netdev_alloc_frag+0x1f0/0x1f0 [ 301.528364] ? smpboot_thread_fn+0x334/0xa00 [ 301.533621] ? lock_downgrade+0x900/0x900 [ 301.538716] ? schedule+0x108/0x460 [ 301.543110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.547495] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.547518] ? trace_hardirqs_off+0xb8/0x310 [ 301.551643] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.555250] ? smpboot_thread_fn+0x68b/0xa00 [ 301.560769] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.565506] ? trace_hardirqs_on+0x310/0x310 [ 301.569896] ? addrconf_rs_timer+0x690/0x690 [ 301.575326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.579721] ndisc_alloc_skb+0x144/0x340 [ 301.585156] ? check_preemption_disabled+0x48/0x280 [ 301.589546] ndisc_send_rs+0x331/0x6e0 [ 301.593937] ? takeover_tasklets+0xa90/0xa90 [ 301.599459] addrconf_rs_timer+0x314/0x690 [ 301.603496] run_ksoftirqd+0x5e/0x100 [ 301.608495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.612360] smpboot_thread_fn+0x68b/0xa00 [ 301.616757] call_timer_fn+0x272/0x920 [ 301.620970] ? sort_range+0x30/0x30 [ 301.624851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.629068] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 301.633624] ? process_timeout+0x40/0x40 [ 301.637495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.641118] ? mark_held_locks+0xc7/0x130 [ 301.645337] ? __kthread_parkme+0xfb/0x1a0 [ 301.650423] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.654467] ? sort_range+0x30/0x30 [ 301.659985] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.664123] kthread+0x35a/0x440 [ 301.668336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.672810] ? kthread_stop+0x900/0x900 [ 301.676435] ? lockdep_hardirqs_on+0x296/0x5b0 [ 301.680908] ret_from_fork+0x3a/0x50 [ 301.684258] ? trace_hardirqs_on+0xbd/0x310 [ 301.688481] warn_alloc_show_mem: 1 callbacks suppressed [ 301.688486] Mem-Info: [ 301.692432] ? kasan_check_read+0x11/0x20 [ 301.697009] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 301.697009] active_file:12 inactive_file:11 isolated_file:0 [ 301.697009] unevictable:0 dirty:0 writeback:0 unstable:0 [ 301.697009] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 301.697009] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 301.697009] free:13782 free_pcp:358 free_cma:0 [ 301.700688] ? __run_timers+0x7da/0xc70 [ 301.705005] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 301.710337] ? trace_hardirqs_off_caller+0x310/0x310 [ 301.712722] 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 [ 301.716880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.749725] lowmem_reserve[]: 0 2818 6321 6321 [ 301.753697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.781291] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 301.786396] __run_timers+0x7e5/0xc70 [ 301.812772] lowmem_reserve[]: 0 0 3503 3503 [ 301.817021] ? timer_fixup_init+0x70/0x70 [ 301.821566] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 301.825805] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.853440] lowmem_reserve[]: 0 0 0 0 [ 301.857238] ? zap_class+0x640/0x640 [ 301.861533] 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 [ 301.865674] ? print_usage_bug+0xc0/0xc0 [ 301.894614] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 301.899637] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.903418] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 301.907224] ? find_held_lock+0x36/0x1c0 [ 301.920732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 301.924870] ? zap_class+0x640/0x640 [ 301.940111] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 301.945287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.960180] 266 total pagecache pages [ 301.964232] ? check_preemption_disabled+0x48/0x280 [ 301.973216] 0 pages in swap cache [ 301.976922] ? __lock_is_held+0xb5/0x140 [ 301.985469] Swap cache stats: add 0, delete 0, find 0/0 [ 301.990992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.994764] Free swap = 0kB [ 301.999769] ? check_preemption_disabled+0x48/0x280 [ 302.003195] Total swap = 0kB [ 302.007247] run_timer_softirq+0x52/0xb0 [ 302.012583] 1965979 pages RAM [ 302.018112] ? rcu_read_lock_sched_held+0x14f/0x180 [ 302.021107] 0 pages HighMem/MovableOnly [ 302.026114] __do_softirq+0x308/0xb7e [ 302.029114] 342854 pages reserved [ 302.033158] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 302.036239] 0 pages cma reserved [ 302.041243] ? lock_downgrade+0x900/0x900 [ 302.045248] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.048981] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 302.052476] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.056986] ? pvclock_read_flags+0x160/0x160 [ 302.060410] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 302.064548] ? lapic_next_event+0x5a/0x90 [ 302.071027] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 302.076112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.086394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.086401] Call Trace: [ 302.090887] ? kvm_clock_read+0x18/0x30 [ 302.095538] dump_stack+0x244/0x39d [ 302.099668] ? kvm_sched_clock_read+0x9/0x20 [ 302.106404] ? dump_stack_print_info.cold.1+0x20/0x20 [ 302.111919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.121262] warn_alloc.cold.116+0xb7/0x1bd [ 302.123837] ? check_preemption_disabled+0x48/0x280 [ 302.127792] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.131404] irq_exit+0x17f/0x1c0 [ 302.135790] ? lock_downgrade+0x900/0x900 [ 302.140961] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.146482] ? trace_hardirqs_off+0xb8/0x310 [ 302.150783] ? smp_reschedule_interrupt+0x109/0x650 [ 302.155784] ? trace_hardirqs_off+0xb8/0x310 [ 302.160611] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.164047] __alloc_pages_slowpath+0x26e8/0x2e10 [ 302.168172] ? interrupt_entry+0xb5/0xc0 [ 302.173036] ? warn_alloc+0x120/0x120 [ 302.177401] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.182401] ? print_usage_bug+0xc0/0xc0 [ 302.187309] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.193171] ? warn_alloc+0x120/0x120 [ 302.197995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.202035] ? warn_alloc+0x120/0x120 [ 302.205818] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.210813] ? print_usage_bug+0xc0/0xc0 [ 302.214858] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.219858] ? print_usage_bug+0xc0/0xc0 [ 302.223638] ? task_prio+0x50/0x50 [ 302.228461] ? __lock_acquire+0x62f/0x4c20 [ 302.232241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.237239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.241294] ? check_preemption_disabled+0x48/0x280 [ 302.246295] ? should_fail+0x22d/0xd01 [ 302.250340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.253861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.258089] apic_timer_interrupt+0xf/0x20 [ 302.263609] ? __lock_acquire+0x62f/0x4c20 [ 302.269117] [ 302.274126] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.278167] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 302.282989] ? __lock_acquire+0x62f/0x4c20 [ 302.288076] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 302.292294] ? should_fail+0x22d/0xd01 [ 302.296502] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 302.298723] ? find_held_lock+0x36/0x1c0 [ 302.303804] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 302.308811] ? mark_held_locks+0x130/0x130 [ 302.313020] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 302.331922] ? mark_held_locks+0x130/0x130 [ 302.335798] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 302.343486] ? zap_class+0x640/0x640 [ 302.347530] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 302.354790] ? mark_held_locks+0xc7/0x130 [ 302.359002] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 302.366259] ? do_raw_spin_unlock+0xa7/0x330 [ 302.370495] rcu_read_lock_held+0xa9/0xc0 [ 302.377734] ? zap_class+0x640/0x640 [ 302.381427] css_next_child+0x2a2/0x620 [ 302.388682] ? print_usage_bug+0xc0/0xc0 [ 302.392817] ? cgroup_mount+0xd30/0xd30 [ 302.400074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.404462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.408588] ? check_preemption_disabled+0x48/0x280 [ 302.408611] ? __lock_is_held+0xb5/0x140 [ 302.412303] ? check_preemption_disabled+0x48/0x280 [ 302.416257] __alloc_pages_nodemask+0xa80/0xde0 [ 302.420302] ? __lock_is_held+0xb5/0x140 [ 302.424249] ? zap_class+0x640/0x640 [ 302.429777] css_next_descendant_pre+0xeb/0x190 [ 302.435289] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 302.440288] mem_cgroup_iter+0x42f/0x1160 [ 302.444334] ? find_held_lock+0x36/0x1c0 [ 302.449327] ? kasan_check_write+0x14/0x20 [ 302.453984] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.458024] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 302.461721] ? lock_downgrade+0x900/0x900 [ 302.466368] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.471369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.475495] ? shrink_slab+0xfa/0x8c0 [ 302.479550] cache_grow_begin+0xa5/0x8c0 [ 302.483763] ? shrink_active_list+0x1f00/0x1f00 [ 302.488410] ? do_raw_spin_unlock+0xa7/0x330 [ 302.493154] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 302.497286] fallback_alloc+0x204/0x2e0 [ 302.502279] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.507801] ____cache_alloc_node+0x1c7/0x1e0 [ 302.511586] ? cgroup_procs_write_finish+0xf0/0xf0 [ 302.515622] kmem_cache_alloc_node+0xe3/0x730 [ 302.520274] ? find_held_lock+0x36/0x1c0 [ 302.524658] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.530261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.534226] __alloc_skb+0x119/0x770 [ 302.539303] ? vmpressure+0x1a2/0x340 [ 302.543777] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.548692] shrink_node+0x516/0x16b0 [ 302.553168] ? netdev_alloc_frag+0x1f0/0x1f0 [ 302.557212] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 302.561430] ? lock_downgrade+0x900/0x900 [ 302.566965] ? shrink_node_memcg+0x18f0/0x18f0 [ 302.570649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.574430] ? kvm_clock_read+0x18/0x30 [ 302.579698] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.583478] ? ktime_get+0x2c1/0x400 [ 302.587870] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.593131] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 302.597267] ? addrconf_rs_timer+0x690/0x690 [ 302.601833] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.607359] ndisc_alloc_skb+0x144/0x340 [ 302.611306] ? __cpuset_node_allowed+0x19b/0x660 [ 302.616740] ndisc_send_rs+0x331/0x6e0 [ 302.620433] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 302.625866] addrconf_rs_timer+0x314/0x690 [ 302.630339] ? delayacct_end+0x5a/0x100 [ 302.634728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.640249] do_try_to_free_pages+0x3e7/0x1290 [ 302.644293] call_timer_fn+0x272/0x920 [ 302.649030] ? zap_class+0x640/0x640 [ 302.652898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.658601] ? shrink_node+0x16b0/0x16b0 [ 302.662807] ? process_timeout+0x40/0x40 [ 302.666765] ? __lock_is_held+0xb5/0x140 [ 302.670984] ? __run_timers+0x7da/0xc70 [ 302.675559] try_to_free_pages+0x4d0/0xb90 [ 302.679415] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.683112] ? do_try_to_free_pages+0x1290/0x1290 [ 302.687326] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.691378] ? lock_acquire+0x1ed/0x520 [ 302.695414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.699453] ? set_page_refcounted+0x280/0x280 [ 302.703409] ? lockdep_hardirqs_on+0x296/0x5b0 [ 302.707627] ? lock_release+0xa00/0xa00 [ 302.712101] ? trace_hardirqs_on+0xbd/0x310 [ 302.717405] ? _raw_spin_unlock_irq+0x60/0x80 [ 302.721884] ? kasan_check_read+0x11/0x20 [ 302.725839] ? psi_memstall_enter+0x240/0x2b0 [ 302.730058] ? __run_timers+0x7da/0xc70 [ 302.734624] ? psi_memstall_tick+0x230/0x230 [ 302.739189] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.743151] __alloc_pages_slowpath+0xa14/0x2e10 [ 302.747451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.751949] ? warn_alloc+0x120/0x120 [ 302.756066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.760537] ? mark_held_locks+0x130/0x130 [ 302.764488] __run_timers+0x7e5/0xc70 [ 302.768884] ? find_get_entry+0xaae/0x1120 [ 302.773973] ? timer_fixup_init+0x70/0x70 [ 302.778713] ? filemap_map_pages+0x1a20/0x1a20 [ 302.782923] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.786705] ? zap_class+0x640/0x640 [ 302.790919] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.795141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.798919] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 302.803133] ? check_preemption_disabled+0x48/0x280 [ 302.807259] ? trace_hardirqs_on+0xbd/0x310 [ 302.811821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.816289] ? kasan_check_read+0x11/0x20 [ 302.816307] ? finish_task_switch+0x1f4/0x910 [ 302.819997] ? should_fail+0x22d/0xd01 [ 302.824478] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.829994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.834578] ? compat_start_thread+0x80/0x80 [ 302.839577] ? zap_class+0x640/0x640 [ 302.843897] ? pvclock_read_flags+0x160/0x160 [ 302.849418] ? __lock_is_held+0xb5/0x140 [ 302.853529] ? __switch_to_asm+0x34/0x70 [ 302.858021] ? mark_held_locks+0x130/0x130 [ 302.861886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.866982] ? lock_release+0xa00/0xa00 [ 302.872071] ? check_preemption_disabled+0x48/0x280 [ 302.876457] ? perf_trace_sched_process_exec+0x860/0x860 [ 302.880159] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 302.884627] ? xa_load+0x2ba/0x460 [ 302.888667] ? rcu_pm_notify+0xc0/0xc0 [ 302.892708] ? lock_downgrade+0x900/0x900 [ 302.896925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.902442] ? __might_sleep+0x95/0x190 [ 302.906397] ? check_preemption_disabled+0x48/0x280 [ 302.911394] __alloc_pages_nodemask+0xa80/0xde0 [ 302.916844] run_timer_softirq+0x52/0xb0 [ 302.922365] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 302.925883] ? rcu_read_lock_sched_held+0x14f/0x180 [ 302.929748] ? __page_cache_alloc+0x191/0x5c0 [ 302.933876] __do_softirq+0x308/0xb7e [ 302.939407] ? xa_load+0x2e1/0x460 [ 302.943369] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 302.948365] ? xa_clear_mark+0x40/0x40 [ 302.953023] ? smpboot_thread_fn+0x334/0xa00 [ 302.957066] ? zap_class+0x640/0x640 [ 302.962066] ? schedule+0x108/0x460 [ 302.967066] ? zap_class+0x640/0x640 [ 302.971543] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.975323] ? zap_class+0x640/0x640 [ 302.978848] ? trace_hardirqs_off+0xb8/0x310 [ 302.983931] ? __do_page_cache_readahead+0x663/0x810 [ 302.987800] ? smpboot_thread_fn+0x68b/0xa00 [ 302.992190] ? find_held_lock+0x36/0x1c0 [ 302.995883] ? trace_hardirqs_on+0x310/0x310 [ 302.999491] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 303.003185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.007937] alloc_pages_current+0x173/0x350 [ 303.011632] ? check_preemption_disabled+0x48/0x280 [ 303.016025] __page_cache_alloc+0x38c/0x5c0 [ 303.021111] ? takeover_tasklets+0xa90/0xa90 [ 303.025497] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.029556] run_ksoftirqd+0x5e/0x100 [ 303.033941] ? kasan_check_read+0x11/0x20 [ 303.039457] smpboot_thread_fn+0x68b/0xa00 [ 303.044977] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.049370] ? sort_range+0x30/0x30 [ 303.054368] ? generic_perform_write+0x6a0/0x6a0 [ 303.058669] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.063058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.067966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.071748] ? check_preemption_disabled+0x48/0x280 [ 303.075880] ? __kthread_parkme+0xfb/0x1a0 [ 303.080102] filemap_fault+0x1595/0x25f0 [ 303.085353] ? sort_range+0x30/0x30 [ 303.088970] ? __lock_page_or_retry+0xa00/0xa00 [ 303.093697] kthread+0x35a/0x440 [ 303.098797] ? mark_held_locks+0x130/0x130 [ 303.104311] ? kthread_stop+0x900/0x900 [ 303.109831] ? filemap_map_pages+0xd6b/0x1a20 [ 303.114821] ret_from_fork+0x3a/0x50 [ 303.119039] ? lock_downgrade+0x900/0x900 [ 303.123145] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.126681] ? check_preemption_disabled+0x48/0x280 [ 303.126698] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.131387] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.134695] ? kasan_check_read+0x11/0x20 [ 303.138904] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 303.142865] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.147338] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 303.151032] ? rcu_softirq_qs+0x20/0x20 [ 303.155170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.161658] ? filemap_map_pages+0xd92/0x1a20 [ 303.166647] Call Trace: [ 303.171564] ? print_usage_bug+0xc0/0xc0 [ 303.181857] dump_stack+0x244/0x39d [ 303.185998] ? find_get_entries_tag+0x1400/0x1400 [ 303.190653] ? dump_stack_print_info.cold.1+0x20/0x20 [ 303.195908] ? __kasan_slab_free+0x102/0x150 [ 303.202650] warn_alloc.cold.116+0xb7/0x1bd [ 303.206598] ? kasan_slab_free+0xe/0x10 [ 303.215954] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.220430] ? kmem_cache_free+0x83/0x290 [ 303.223004] ? lock_downgrade+0x900/0x900 [ 303.227045] ? __sigqueue_free.part.29+0x74/0x90 [ 303.230660] ? trace_hardirqs_off+0xb8/0x310 [ 303.235491] ? lock_acquire+0x1ed/0x520 [ 303.240653] ? trace_hardirqs_off+0xb8/0x310 [ 303.245043] ? ext4_filemap_fault+0x7a/0xad [ 303.249354] __alloc_pages_slowpath+0x26e8/0x2e10 [ 303.253308] ? lock_release+0xa00/0xa00 [ 303.258150] ? warn_alloc+0x120/0x120 [ 303.262261] ? perf_trace_sched_process_exec+0x860/0x860 [ 303.266387] ? print_usage_bug+0xc0/0xc0 [ 303.271125] ? print_usage_bug+0xc0/0xc0 [ 303.275517] ? warn_alloc+0x120/0x120 [ 303.279472] ? print_usage_bug+0xc0/0xc0 [ 303.283864] ? warn_alloc+0x120/0x120 [ 303.288176] ? down_read+0x8d/0x120 [ 303.293006] ? print_usage_bug+0xc0/0xc0 [ 303.296953] ? ext4_filemap_fault+0x7a/0xad [ 303.300744] ? print_usage_bug+0xc0/0xc0 [ 303.306175] ? __down_interruptible+0x700/0x700 [ 303.310216] ? __lock_acquire+0x62f/0x4c20 [ 303.314264] ext4_filemap_fault+0x82/0xad [ 303.318047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.322183] __do_fault+0x100/0x6b0 [ 303.325973] ? should_fail+0x22d/0xd01 [ 303.329577] ? pmd_devmap_trans_unstable+0x220/0x220 [ 303.333633] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.337938] ? mark_held_locks+0x130/0x130 [ 303.341987] ? __lock_acquire+0x62f/0x4c20 [ 303.346648] ? mark_held_locks+0x130/0x130 [ 303.350872] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.354999] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 303.360605] ? __lock_acquire+0x62f/0x4c20 [ 303.364211] ? rcu_pm_notify+0xc0/0xc0 [ 303.368076] ? should_fail+0x22d/0xd01 [ 303.373176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.378258] ? find_held_lock+0x36/0x1c0 [ 303.382500] __handle_mm_fault+0x3ea0/0x5be0 [ 303.386727] ? mark_held_locks+0x130/0x130 [ 303.390943] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 303.396028] ? mark_held_locks+0x130/0x130 [ 303.401628] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.405845] ? zap_class+0x640/0x640 [ 303.409713] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 303.413578] ? zap_class+0x640/0x640 [ 303.419096] ? trace_hardirqs_on+0xbd/0x310 [ 303.423137] ? print_usage_bug+0xc0/0xc0 [ 303.427528] ? kasan_check_read+0x11/0x20 [ 303.431738] ? do_raw_spin_unlock+0xa7/0x330 [ 303.431753] ? zap_class+0x640/0x640 [ 303.436575] ? __set_current_blocked+0xdf/0x120 [ 303.440793] ? print_usage_bug+0xc0/0xc0 [ 303.445272] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.448974] ? wq_watchdog_touch+0x9c/0xfe [ 303.453544] ? zap_class+0x640/0x640 [ 303.457233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.461533] ? zap_class+0x640/0x640 [ 303.465575] ? check_preemption_disabled+0x48/0x280 [ 303.469707] ? find_held_lock+0x36/0x1c0 [ 303.474113] ? __lock_is_held+0xb5/0x140 [ 303.477811] ? handle_mm_fault+0x42a/0xc70 [ 303.482461] __alloc_pages_nodemask+0xa80/0xde0 [ 303.486502] ? lock_downgrade+0x900/0x900 [ 303.491584] ? zap_class+0x640/0x640 [ 303.495802] ? check_preemption_disabled+0x48/0x280 [ 303.499500] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 303.505020] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.508720] ? find_held_lock+0x36/0x1c0 [ 303.513709] ? kasan_check_read+0x11/0x20 [ 303.517931] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.521975] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.526194] ? lock_downgrade+0x900/0x900 [ 303.530845] ? rcu_softirq_qs+0x20/0x20 [ 303.534990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.538676] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.543676] cache_grow_begin+0xa5/0x8c0 [ 303.548674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.553584] ? do_raw_spin_unlock+0xa7/0x330 [ 303.557626] ? check_preemption_disabled+0x48/0x280 [ 303.561756] fallback_alloc+0x204/0x2e0 [ 303.566408] handle_mm_fault+0x54f/0xc70 [ 303.571664] ____cache_alloc_node+0x1c7/0x1e0 [ 303.575792] ? __handle_mm_fault+0x5be0/0x5be0 [ 303.579750] kmem_cache_alloc_node+0xe3/0x730 [ 303.585267] ? find_vma+0x34/0x190 [ 303.590348] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.594393] __do_page_fault+0x5e8/0xe60 [ 303.599917] __alloc_skb+0x119/0x770 [ 303.604300] ? exit_to_usermode_loop+0x1f4/0x380 [ 303.609295] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.613258] do_page_fault+0xf2/0x7e0 [ 303.617294] ? netdev_alloc_frag+0x1f0/0x1f0 [ 303.621770] ? vmalloc_sync_all+0x30/0x30 [ 303.626332] ? lock_downgrade+0x900/0x900 [ 303.630811] ? error_entry+0x70/0xd0 [ 303.634685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.638917] ? trace_hardirqs_off_caller+0xbb/0x310 [ 303.642969] ? refcount_sub_and_test_checked+0x203/0x310 [ 303.646663] ? trace_hardirqs_on_caller+0xc0/0x310 [ 303.651398] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 303.656655] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.660433] ? addrconf_rs_timer+0x690/0x690 [ 303.664819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.668960] ndisc_alloc_skb+0x144/0x340 [ 303.673082] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.676793] ndisc_send_rs+0x331/0x6e0 [ 303.682325] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.687324] addrconf_rs_timer+0x314/0x690 [ 303.692755] ? prepare_exit_to_usermode+0x291/0x3b0 [ 303.697668] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.703097] ? page_fault+0x8/0x30 [ 303.708012] call_timer_fn+0x272/0x920 [ 303.712399] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.717222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.721266] ? page_fault+0x8/0x30 [ 303.726263] ? process_timeout+0x40/0x40 [ 303.730130] page_fault+0x1e/0x30 [ 303.735568] ? __run_timers+0x7da/0xc70 [ 303.739777] RIP: 0033:0x45db60 [ 303.744781] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.749007] Code: Bad RIP value. [ 303.752520] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.756381] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 303.761206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.765415] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 303.768946] ? lockdep_hardirqs_on+0x296/0x5b0 [ 303.772980] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 303.776420] ? trace_hardirqs_on+0xbd/0x310 [ 303.780369] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 303.783539] ? kasan_check_read+0x11/0x20 [ 303.783552] ? __run_timers+0x7da/0xc70 [ 303.788027] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 303.791379] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.795862] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 303.801744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.805979] rcu: rcu_preempt kthread starved for 10672 jiffies! g13285 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 303.813241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.817795] rcu: RCU grace-period kthread stack dump: [ 303.825055] __run_timers+0x7e5/0xc70 [ 303.829364] rcu_preempt R running task 22568 10 2 0x80000000 [ 303.836631] ? timer_fixup_init+0x70/0x70 [ 303.840748] Call Trace: [ 303.844708] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.851961] __schedule+0x8cf/0x21d0 [ 303.857044] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.864306] ? __sched_text_start+0x8/0x8 [ 303.868516] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 303.878989] ? add_timer_on+0xa20/0xa20 [ 303.883219] ? trace_hardirqs_on+0xbd/0x310 [ 303.888386] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.892169] ? kasan_check_read+0x11/0x20 [ 303.899332] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.903469] ? finish_task_switch+0x1f4/0x910 [ 303.906033] ? trace_hardirqs_on+0xbd/0x310 [ 303.910521] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.914217] ? kasan_check_read+0x11/0x20 [ 303.918689] ? compat_start_thread+0x80/0x80 [ 303.922834] ? prepare_to_swait_event+0x25a/0x800 [ 303.927411] ? pvclock_read_flags+0x160/0x160 [ 303.931367] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.935665] ? __switch_to_asm+0x34/0x70 [ 303.940759] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.944892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.949977] schedule+0xfe/0x460 [ 303.954451] ? check_preemption_disabled+0x48/0x280 [ 303.958757] ? __schedule+0x21d0/0x21d0 [ 303.963845] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 303.967973] ? prepare_to_swait_event+0x25a/0x800 [ 303.972358] ? rcu_pm_notify+0xc0/0xc0 [ 303.977199] ? __init_swait_queue_head+0x150/0x150 [ 303.981670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.986756] ? __lockdep_init_map+0x105/0x590 [ 303.990797] ? check_preemption_disabled+0x48/0x280 [ 303.995882] ? lockdep_init_map+0x9/0x10 [ 304.001401] run_timer_softirq+0x52/0xb0 [ 304.004751] schedule_timeout+0x140/0x260 [ 304.009746] ? rcu_read_lock_sched_held+0x14f/0x180 [ 304.013702] ? usleep_range+0x1a0/0x1a0 [ 304.019218] __do_softirq+0x308/0xb7e [ 304.024042] ? __next_timer_interrupt+0x1a0/0x1a0 [ 304.027925] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 304.032839] rcu_gp_fqs_loop+0x762/0xa80 [ 304.038348] ? smpboot_thread_fn+0x334/0xa00 [ 304.042827] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 304.047823] ? schedule+0x108/0x460 [ 304.051863] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.055912] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.060036] ? perf_trace_sched_process_exec+0x860/0x860 [ 304.065037] ? trace_hardirqs_off+0xb8/0x310 [ 304.068988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.072795] ? smpboot_thread_fn+0x68b/0xa00 [ 304.077743] ? rcu_gp_init+0x90b/0x1260 [ 304.082827] ? trace_hardirqs_on+0x310/0x310 [ 304.086873] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 304.091260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.095998] ? rcu_accelerate_cbs+0x562/0xae0 [ 304.099604] ? check_preemption_disabled+0x48/0x280 [ 304.104688] ? zap_class+0x640/0x640 [ 304.109425] ? takeover_tasklets+0xa90/0xa90 [ 304.114863] ? zap_class+0x640/0x640 [ 304.119249] run_ksoftirqd+0x5e/0x100 [ 304.124777] ? __lock_is_held+0xb5/0x140 [ 304.129161] smpboot_thread_fn+0x68b/0xa00 [ 304.133116] ? __lock_is_held+0xb5/0x140 [ 304.137506] ? sort_range+0x30/0x30 [ 304.142242] ? zap_class+0x640/0x640 [ 304.147764] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.152244] ? rcu_accelerate_cbs+0x562/0xae0 [ 304.157242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.160945] ? find_held_lock+0x36/0x1c0 [ 304.165332] ? __kthread_parkme+0xfb/0x1a0 [ 304.169031] ? rcu_gp_kthread+0x8cf/0xc70 [ 304.172810] ? sort_range+0x30/0x30 [ 304.176849] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.181063] kthread+0x35a/0x440 [ 304.185101] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.188708] ? kthread_stop+0x900/0x900 [ 304.192401] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 304.197481] ret_from_fork+0x3a/0x50 [ 304.201960] ? trace_hardirqs_on+0xbd/0x310 [ 304.207544] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 304.211516] ? kasan_check_read+0x11/0x20 [ 304.211533] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.215810] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.219878] ? perf_trace_sched_process_exec+0x860/0x860 [ 304.223506] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 304.227993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.231337] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 304.235821] rcu_gp_kthread+0x341/0xc70 [ 304.239767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.244340] ? rcu_gp_init+0x1260/0x1260 [ 304.248023] Call Trace: [ 304.252333] ? mark_held_locks+0x130/0x130 [ 304.258802] dump_stack+0x244/0x39d [ 304.262930] ? __schedule+0x168a/0x21d0 [ 304.262946] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.268047] ? dump_stack_print_info.cold.1+0x20/0x20 [ 304.278336] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 304.283776] warn_alloc.cold.116+0xb7/0x1bd [ 304.288421] ? trace_hardirqs_on+0xbd/0x310 [ 304.293938] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.300671] ? kasan_check_read+0x11/0x20 [ 304.304628] ? lock_downgrade+0x900/0x900 [ 304.313963] ? __schedule+0x168a/0x21d0 [ 304.318014] ? trace_hardirqs_off+0xb8/0x310 [ 304.320580] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.324800] ? trace_hardirqs_off+0xb8/0x310 [ 304.328407] ? lock_pin_lock+0x350/0x350 [ 304.332372] __alloc_pages_slowpath+0x26e8/0x2e10 [ 304.336848] ? _raw_spin_unlock_irq+0x60/0x80 [ 304.342047] ? warn_alloc+0x120/0x120 [ 304.346590] ? __schedule+0x168a/0x21d0 [ 304.350900] ? print_usage_bug+0xc0/0xc0 [ 304.355204] ? __switch_to_asm+0x40/0x70 [ 304.360141] ? warn_alloc+0x120/0x120 [ 304.364272] ? __switch_to_asm+0x40/0x70 [ 304.368401] ? warn_alloc+0x120/0x120 [ 304.372364] ? show_schedstat+0x721/0xf30 [ 304.376753] ? print_usage_bug+0xc0/0xc0 [ 304.381839] ? __sched_text_start+0x8/0x8 [ 304.386227] ? print_usage_bug+0xc0/0xc0 [ 304.390272] ? find_held_lock+0x36/0x1c0 [ 304.395091] ? __lock_acquire+0x62f/0x4c20 [ 304.399572] ? __kthread_parkme+0xce/0x1a0 [ 304.403349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.407305] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 304.411351] ? should_fail+0x22d/0xd01 [ 304.415411] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 304.419191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.423232] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 304.427014] ? __lock_acquire+0x62f/0x4c20 [ 304.431141] ? trace_hardirqs_on+0xbd/0x310 [ 304.435182] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.439308] ? kasan_check_read+0x11/0x20 [ 304.443347] ? __lock_acquire+0x62f/0x4c20 [ 304.447391] ? __kthread_parkme+0xce/0x1a0 [ 304.451605] ? should_fail+0x22d/0xd01 [ 304.455819] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.461338] ? find_held_lock+0x36/0x1c0 [ 304.466429] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.470299] ? mark_held_locks+0x130/0x130 [ 304.475394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.480529] ? mark_held_locks+0x130/0x130 [ 304.485093] ? __kthread_parkme+0xfb/0x1a0 [ 304.489298] ? zap_class+0x640/0x640 [ 304.489317] ? mark_held_locks+0xc7/0x130 [ 304.493622] ? rcu_gp_init+0x1260/0x1260 [ 304.498702] ? do_raw_spin_unlock+0xa7/0x330 [ 304.502834] kthread+0x35a/0x440 [ 304.507047] ? zap_class+0x640/0x640 [ 304.511263] ? kthread_stop+0x900/0x900 [ 304.515130] ? print_usage_bug+0xc0/0xc0 [ 304.520214] ret_from_fork+0x3a/0x50 [ 304.524259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.529435] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 304.533561] ? check_preemption_disabled+0x48/0x280 [ 304.533588] ? __lock_is_held+0xb5/0x140 [ 304.539151] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.543336] __alloc_pages_nodemask+0xa80/0xde0 [ 304.547539] syz-fuzzer cpuset=/ mems_allowed=0 [ 304.551239] ? zap_class+0x640/0x640 [ 304.626684] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 304.632172] ? find_held_lock+0x36/0x1c0 [ 304.636238] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.640918] ? lock_downgrade+0x900/0x900 [ 304.645072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.650607] cache_grow_begin+0xa5/0x8c0 [ 304.654667] ? do_raw_spin_unlock+0xa7/0x330 [ 304.659076] fallback_alloc+0x204/0x2e0 [ 304.663051] ____cache_alloc_node+0x1c7/0x1e0 [ 304.667548] kmem_cache_alloc_node+0xe3/0x730 [ 304.672040] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.676279] __alloc_skb+0x119/0x770 [ 304.679989] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.685265] ? netdev_alloc_frag+0x1f0/0x1f0 [ 304.689694] ? lock_downgrade+0x900/0x900 [ 304.693855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.699392] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.704852] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.710302] ? addrconf_rs_timer+0x690/0x690 [ 304.714718] ndisc_alloc_skb+0x144/0x340 [ 304.718780] ndisc_send_rs+0x331/0x6e0 [ 304.722688] addrconf_rs_timer+0x314/0x690 [ 304.726933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.731175] call_timer_fn+0x272/0x920 [ 304.735058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.739288] ? process_timeout+0x40/0x40 [ 304.743351] ? __run_timers+0x7da/0xc70 [ 304.747325] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.751812] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.756309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.760539] ? lockdep_hardirqs_on+0x296/0x5b0 [ 304.765118] ? trace_hardirqs_on+0xbd/0x310 [ 304.769434] ? kasan_check_read+0x11/0x20 [ 304.773578] ? __run_timers+0x7da/0xc70 [ 304.777550] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.782653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.786895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.791132] __run_timers+0x7e5/0xc70 [ 304.794937] ? timer_fixup_init+0x70/0x70 [ 304.799341] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.803831] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.808331] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 304.812912] ? trace_hardirqs_on+0xbd/0x310 [ 304.817233] ? kasan_check_read+0x11/0x20 [ 304.821377] ? finish_task_switch+0x1f4/0x910 [ 304.825875] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.830983] ? compat_start_thread+0x80/0x80 [ 304.835407] ? pvclock_read_flags+0x160/0x160 [ 304.839904] ? __switch_to_asm+0x34/0x70 [ 304.843962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.849496] ? check_preemption_disabled+0x48/0x280 [ 304.854515] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 304.860049] ? rcu_pm_notify+0xc0/0xc0 [ 304.863935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.869475] ? check_preemption_disabled+0x48/0x280 [ 304.874505] run_timer_softirq+0x52/0xb0 [ 304.878565] ? rcu_read_lock_sched_held+0x14f/0x180 [ 304.883578] __do_softirq+0x308/0xb7e [ 304.887390] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 304.892506] ? smpboot_thread_fn+0x334/0xa00 [ 304.896917] ? schedule+0x108/0x460 [ 304.900543] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.905308] ? trace_hardirqs_off+0xb8/0x310 [ 304.909710] ? smpboot_thread_fn+0x68b/0xa00 [ 304.914119] ? trace_hardirqs_on+0x310/0x310 [ 304.918524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.924059] ? check_preemption_disabled+0x48/0x280 [ 304.929071] ? takeover_tasklets+0xa90/0xa90 [ 304.933480] run_ksoftirqd+0x5e/0x100 [ 304.937275] smpboot_thread_fn+0x68b/0xa00 [ 304.941511] ? sort_range+0x30/0x30 [ 304.945134] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.950232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.955767] ? __kthread_parkme+0xfb/0x1a0 [ 304.960003] ? sort_range+0x30/0x30 [ 304.963623] kthread+0x35a/0x440 [ 304.966986] ? kthread_stop+0x900/0x900 [ 304.970956] ret_from_fork+0x3a/0x50 [ 304.974681] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 304.974686] warn_alloc_show_mem: 2 callbacks suppressed [ 304.974692] Mem-Info: [ 304.981606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.986967] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 304.986967] active_file:12 inactive_file:11 isolated_file:0 [ 304.986967] unevictable:0 dirty:0 writeback:0 unstable:0 [ 304.986967] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 304.986967] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 304.986967] free:13782 free_pcp:358 free_cma:0 [ 304.989338] Call Trace: [ 304.998713] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 305.031552] [ 305.034117] 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 [ 305.061605] dump_stack+0x244/0x39d [ 305.063728] lowmem_reserve[]: 0 2818 6321 6321 [ 305.089845] ? dump_stack_print_info.cold.1+0x20/0x20 [ 305.093448] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 305.098045] warn_alloc.cold.116+0xb7/0x1bd [ 305.103200] lowmem_reserve[]: 0 0 3503 3503 [ 305.130859] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.130876] ? lock_downgrade+0x900/0x900 [ 305.135168] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 305.139486] ? trace_hardirqs_off+0xb8/0x310 [ 305.144296] lowmem_reserve[]: 0 0 0 0 [ 305.148437] ? trace_hardirqs_off+0xb8/0x310 [ 305.177383] 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 [ 305.181791] __alloc_pages_slowpath+0x26e8/0x2e10 [ 305.185559] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 305.189992] ? warn_alloc+0x120/0x120 [ 305.203469] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 305.208303] ? print_usage_bug+0xc0/0xc0 [ 305.223450] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 305.227237] ? warn_alloc+0x120/0x120 [ 305.242129] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 305.246178] ? warn_alloc+0x120/0x120 [ 305.254986] 266 total pagecache pages [ 305.258777] ? print_usage_bug+0xc0/0xc0 [ 305.267331] 0 pages in swap cache [ 305.271117] ? print_usage_bug+0xc0/0xc0 [ 305.274906] Swap cache stats: add 0, delete 0, find 0/0 [ 305.278952] ? __lock_acquire+0x62f/0x4c20 [ 305.282377] Free swap = 0kB [ 305.286427] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.291761] Total swap = 0kB [ 305.295986] ? should_fail+0x22d/0xd01 [ 305.298975] 1965979 pages RAM [ 305.304502] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.307489] 0 pages HighMem/MovableOnly [ 305.307496] 342854 pages reserved [ 305.311371] ? __lock_acquire+0x62f/0x4c20 [ 305.314451] 0 pages cma reserved [ 305.319545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.323548] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.326929] ? __lock_acquire+0x62f/0x4c20 [ 305.326944] ? should_fail+0x22d/0xd01 [ 305.331211] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.334504] ? find_held_lock+0x36/0x1c0 [ 305.339580] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 305.346078] ? mark_held_locks+0x130/0x130 [ 305.377371] ? mark_held_locks+0x130/0x130 [ 305.381603] ? zap_class+0x640/0x640 [ 305.385311] ? zap_class+0x640/0x640 [ 305.389025] ? print_usage_bug+0xc0/0xc0 [ 305.393078] ? do_raw_spin_unlock+0xa7/0x330 [ 305.397480] ? zap_class+0x640/0x640 [ 305.401188] ? print_usage_bug+0xc0/0xc0 [ 305.405242] ? wq_watchdog_touch+0x9c/0xfe [ 305.409491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.415026] ? check_preemption_disabled+0x48/0x280 [ 305.420049] ? __lock_is_held+0xb5/0x140 [ 305.424113] __alloc_pages_nodemask+0xa80/0xde0 [ 305.428778] ? zap_class+0x640/0x640 [ 305.432502] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 305.437524] ? find_held_lock+0x36/0x1c0 [ 305.441594] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.446262] ? lock_downgrade+0x900/0x900 [ 305.450416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.455952] cache_grow_begin+0xa5/0x8c0 [ 305.460007] ? do_raw_spin_unlock+0xa7/0x330 [ 305.464441] fallback_alloc+0x204/0x2e0 [ 305.468419] ____cache_alloc_node+0x1c7/0x1e0 [ 305.472915] kmem_cache_alloc_node+0xe3/0x730 [ 305.477410] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.481650] __alloc_skb+0x119/0x770 [ 305.485358] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.490634] ? netdev_alloc_frag+0x1f0/0x1f0 [ 305.495037] ? lock_downgrade+0x900/0x900 [ 305.499191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.504723] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.510171] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.515619] ? addrconf_rs_timer+0x690/0x690 [ 305.520033] ndisc_alloc_skb+0x144/0x340 [ 305.524094] ndisc_send_rs+0x331/0x6e0 [ 305.527984] addrconf_rs_timer+0x314/0x690 [ 305.532217] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.536456] call_timer_fn+0x272/0x920 [ 305.540343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.544576] ? process_timeout+0x40/0x40 [ 305.548642] ? mark_held_locks+0xc7/0x130 [ 305.552795] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.557284] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.561782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.566013] ? lockdep_hardirqs_on+0x296/0x5b0 [ 305.570594] ? trace_hardirqs_on+0xbd/0x310 [ 305.574909] ? kasan_check_read+0x11/0x20 [ 305.579054] ? __run_timers+0x7da/0xc70 [ 305.583024] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.588124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.592362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.596606] __run_timers+0x7e5/0xc70 [ 305.600411] ? timer_fixup_init+0x70/0x70 [ 305.604556] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.609572] ? zap_class+0x640/0x640 [ 305.613287] ? print_usage_bug+0xc0/0xc0 [ 305.617354] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.622545] ? find_held_lock+0x36/0x1c0 [ 305.626610] ? zap_class+0x640/0x640 [ 305.630346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.636189] ? check_preemption_disabled+0x48/0x280 [ 305.641213] ? __lock_is_held+0xb5/0x140 [ 305.645270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.650810] ? check_preemption_disabled+0x48/0x280 [ 305.655842] run_timer_softirq+0x52/0xb0 [ 305.659902] ? rcu_read_lock_sched_held+0x14f/0x180 [ 305.664928] __do_softirq+0x308/0xb7e [ 305.668984] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 305.673475] ? lock_downgrade+0x900/0x900 [ 305.677623] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 305.682729] ? pvclock_read_flags+0x160/0x160 [ 305.687222] ? lapic_next_event+0x5a/0x90 [ 305.691369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.696906] ? kvm_clock_read+0x18/0x30 [ 305.700888] ? kvm_sched_clock_read+0x9/0x20 [ 305.705304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.710841] ? check_preemption_disabled+0x48/0x280 [ 305.715861] irq_exit+0x17f/0x1c0 [ 305.719315] smp_apic_timer_interrupt+0x1cb/0x760 [ 305.724152] ? smp_reschedule_interrupt+0x109/0x650 [ 305.729166] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.735045] ? interrupt_entry+0xb5/0xc0 [ 305.739102] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.744112] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.749125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.753963] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.758975] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.763989] ? task_prio+0x50/0x50 [ 305.767527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.773061] ? check_preemption_disabled+0x48/0x280 [ 305.778076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.782922] apic_timer_interrupt+0xf/0x20 [ 305.787145] [ 305.789385] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 305.794399] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 305.813774] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 305.821485] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 305.828756] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 305.836128] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 305.843394] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 305.850657] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 305.857962] rcu_read_lock_held+0xa9/0xc0 [ 305.862106] css_next_child+0x2a2/0x620 [ 305.866094] ? cgroup_mount+0xd30/0xd30 [ 305.870071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.875612] ? check_preemption_disabled+0x48/0x280 [ 305.880711] ? __lock_is_held+0xb5/0x140 [ 305.884787] css_next_descendant_pre+0xeb/0x190 [ 305.889459] mem_cgroup_iter+0x42f/0x1160 [ 305.893612] ? kasan_check_write+0x14/0x20 [ 305.897850] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 305.902602] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.907618] ? shrink_slab+0xfa/0x8c0 [ 305.911413] ? shrink_active_list+0x1f00/0x1f00 [ 305.916089] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 305.921711] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.926822] ? cgroup_procs_write_finish+0xf0/0xf0 [ 305.931765] ? find_held_lock+0x36/0x1c0 [ 305.935826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.941362] ? vmpressure+0x1a2/0x340 [ 305.945161] shrink_node+0x516/0x16b0 [ 305.948958] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 305.954252] ? shrink_node_memcg+0x18f0/0x18f0 [ 305.958839] ? kvm_clock_read+0x18/0x30 [ 305.962811] ? ktime_get+0x2c1/0x400 [ 305.966524] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 305.971017] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 305.976551] ? __cpuset_node_allowed+0x19b/0x660 [ 305.981308] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 305.987016] ? delayacct_end+0x5a/0x100 [ 305.990994] do_try_to_free_pages+0x3e7/0x1290 [ 305.995574] ? zap_class+0x640/0x640 [ 305.999303] ? shrink_node+0x16b0/0x16b0 [ 306.003365] ? __lock_is_held+0xb5/0x140 [ 306.007438] try_to_free_pages+0x4d0/0xb90 [ 306.011673] ? do_try_to_free_pages+0x1290/0x1290 [ 306.016536] ? lock_acquire+0x1ed/0x520 [ 306.020510] ? set_page_refcounted+0x280/0x280 [ 306.025093] ? lock_release+0xa00/0xa00 [ 306.029063] ? _raw_spin_unlock_irq+0x60/0x80 [ 306.033554] ? psi_memstall_enter+0x240/0x2b0 [ 306.038044] ? psi_memstall_tick+0x230/0x230 [ 306.042458] __alloc_pages_slowpath+0xa14/0x2e10 [ 306.047235] ? warn_alloc+0x120/0x120 [ 306.051041] ? mark_held_locks+0x130/0x130 [ 306.055279] ? find_get_entry+0xaae/0x1120 [ 306.059516] ? filemap_map_pages+0x1a20/0x1a20 [ 306.064099] ? zap_class+0x640/0x640 [ 306.067816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.073354] ? check_preemption_disabled+0x48/0x280 [ 306.078366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.083898] ? should_fail+0x22d/0xd01 [ 306.087790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.092890] ? zap_class+0x640/0x640 [ 306.096623] ? __lock_is_held+0xb5/0x140 [ 306.100687] ? mark_held_locks+0x130/0x130 [ 306.104936] ? lock_release+0xa00/0xa00 [ 306.108909] ? perf_trace_sched_process_exec+0x860/0x860 [ 306.114369] ? xa_load+0x2ba/0x460 [ 306.117906] ? lock_downgrade+0x900/0x900 [ 306.122055] ? __might_sleep+0x95/0x190 [ 306.126027] __alloc_pages_nodemask+0xa80/0xde0 [ 306.130697] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 306.135717] ? __page_cache_alloc+0x191/0x5c0 [ 306.140227] ? xa_load+0x2e1/0x460 [ 306.143770] ? xa_clear_mark+0x40/0x40 [ 306.147655] ? zap_class+0x640/0x640 [ 306.151372] ? zap_class+0x640/0x640 [ 306.155079] ? zap_class+0x640/0x640 [ 306.158789] ? __do_page_cache_readahead+0x663/0x810 [ 306.163893] ? find_held_lock+0x36/0x1c0 [ 306.167954] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 306.173492] alloc_pages_current+0x173/0x350 [ 306.177901] __page_cache_alloc+0x38c/0x5c0 [ 306.182216] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.187144] ? kasan_check_read+0x11/0x20 [ 306.191289] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.196564] ? generic_perform_write+0x6a0/0x6a0 [ 306.201318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.206853] ? check_preemption_disabled+0x48/0x280 [ 306.211872] filemap_fault+0x1595/0x25f0 [ 306.215939] ? __lock_page_or_retry+0xa00/0xa00 [ 306.220610] ? mark_held_locks+0x130/0x130 [ 306.224848] ? filemap_map_pages+0xd6b/0x1a20 [ 306.229340] ? lock_downgrade+0x900/0x900 [ 306.233481] ? check_preemption_disabled+0x48/0x280 [ 306.238493] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.243415] ? kasan_check_read+0x11/0x20 [ 306.247558] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.252832] ? rcu_softirq_qs+0x20/0x20 [ 306.256814] ? filemap_map_pages+0xd92/0x1a20 [ 306.261312] ? print_usage_bug+0xc0/0xc0 [ 306.265376] ? find_get_entries_tag+0x1400/0x1400 [ 306.270217] ? __kasan_slab_free+0x102/0x150 [ 306.274624] ? kasan_slab_free+0xe/0x10 [ 306.278595] ? kmem_cache_free+0x83/0x290 [ 306.282745] ? __sigqueue_free.part.29+0x74/0x90 [ 306.287513] ? lock_acquire+0x1ed/0x520 [ 306.291481] ? ext4_filemap_fault+0x7a/0xad [ 306.295806] ? lock_release+0xa00/0xa00 [ 306.299775] ? perf_trace_sched_process_exec+0x860/0x860 [ 306.305224] ? print_usage_bug+0xc0/0xc0 [ 306.309289] ? print_usage_bug+0xc0/0xc0 [ 306.313360] ? down_read+0x8d/0x120 [ 306.316983] ? ext4_filemap_fault+0x7a/0xad [ 306.321416] ? __down_interruptible+0x700/0x700 [ 306.326089] ext4_filemap_fault+0x82/0xad [ 306.330232] __do_fault+0x100/0x6b0 [ 306.333863] ? pmd_devmap_trans_unstable+0x220/0x220 [ 306.338964] ? mark_held_locks+0x130/0x130 [ 306.343196] ? mark_held_locks+0x130/0x130 [ 306.347442] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 306.352976] ? rcu_pm_notify+0xc0/0xc0 [ 306.356868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.362405] __handle_mm_fault+0x3ea0/0x5be0 [ 306.366819] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 306.371659] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.376154] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 306.380734] ? trace_hardirqs_on+0xbd/0x310 [ 306.385049] ? kasan_check_read+0x11/0x20 [ 306.389195] ? __set_current_blocked+0xdf/0x120 [ 306.393859] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.398970] ? zap_class+0x640/0x640 [ 306.402679] ? zap_class+0x640/0x640 [ 306.406422] ? find_held_lock+0x36/0x1c0 [ 306.410491] ? handle_mm_fault+0x42a/0xc70 [ 306.414726] ? lock_downgrade+0x900/0x900 [ 306.418873] ? check_preemption_disabled+0x48/0x280 [ 306.423892] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.428815] ? kasan_check_read+0x11/0x20 [ 306.432962] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.438238] ? rcu_softirq_qs+0x20/0x20 [ 306.442211] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.447315] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.452861] ? check_preemption_disabled+0x48/0x280 [ 306.457879] handle_mm_fault+0x54f/0xc70 [ 306.461941] ? __handle_mm_fault+0x5be0/0x5be0 [ 306.466523] ? find_vma+0x34/0x190 [ 306.470068] __do_page_fault+0x5e8/0xe60 [ 306.474125] ? exit_to_usermode_loop+0x1f4/0x380 [ 306.478886] do_page_fault+0xf2/0x7e0 [ 306.482740] ? vmalloc_sync_all+0x30/0x30 [ 306.486889] ? error_entry+0x70/0xd0 [ 306.490599] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.495608] ? trace_hardirqs_on_caller+0xc0/0x310 [ 306.500533] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.505455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.510293] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.515308] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.520762] ? prepare_exit_to_usermode+0x291/0x3b0 [ 306.525775] ? page_fault+0x8/0x30 [ 306.529314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.534153] ? page_fault+0x8/0x30 [ 306.537696] page_fault+0x1e/0x30 [ 306.541141] RIP: 0033:0x45db60 [ 306.544343] Code: Bad RIP value. [ 306.547704] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 306.553062] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 306.560326] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 306.567606] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 306.574868] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 306.582129] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 306.589414] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 306.589477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.596164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.596169] Call Trace: [ 306.596186] dump_stack+0x244/0x39d [ 306.596205] ? dump_stack_print_info.cold.1+0x20/0x20 [ 306.602756] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.612034] warn_alloc.cold.116+0xb7/0x1bd [ 306.614582] syz-fuzzer cpuset=/ mems_allowed=0 [ 306.618200] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.647263] ? lock_downgrade+0x900/0x900 [ 306.651413] ? trace_hardirqs_off+0xb8/0x310 [ 306.655823] ? trace_hardirqs_off+0xb8/0x310 [ 306.660236] __alloc_pages_slowpath+0x26e8/0x2e10 [ 306.665101] ? warn_alloc+0x120/0x120 [ 306.668900] ? print_usage_bug+0xc0/0xc0 [ 306.672961] ? warn_alloc+0x120/0x120 [ 306.676762] ? warn_alloc+0x120/0x120 [ 306.680558] ? print_usage_bug+0xc0/0xc0 [ 306.684617] ? print_usage_bug+0xc0/0xc0 [ 306.688686] ? __lock_acquire+0x62f/0x4c20 [ 306.692940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.698471] ? should_fail+0x22d/0xd01 [ 306.702358] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.707456] ? __lock_acquire+0x62f/0x4c20 [ 306.711699] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.716884] ? __lock_acquire+0x62f/0x4c20 [ 306.721115] ? should_fail+0x22d/0xd01 [ 306.725010] ? mark_held_locks+0x130/0x130 [ 306.729244] ? mark_held_locks+0x130/0x130 [ 306.733475] ? zap_class+0x640/0x640 [ 306.737188] ? zap_class+0x640/0x640 [ 306.740903] ? zap_class+0x640/0x640 [ 306.744611] ? print_usage_bug+0xc0/0xc0 [ 306.748666] ? mark_held_locks+0x130/0x130 [ 306.752909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.758441] ? check_preemption_disabled+0x48/0x280 [ 306.763460] ? __lock_is_held+0xb5/0x140 [ 306.767522] __alloc_pages_nodemask+0xa80/0xde0 [ 306.772189] ? zap_class+0x640/0x640 [ 306.775903] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 306.780927] ? find_held_lock+0x36/0x1c0 [ 306.784991] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.789655] ? lock_downgrade+0x900/0x900 [ 306.793811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.799347] cache_grow_begin+0xa5/0x8c0 [ 306.803405] ? do_raw_spin_unlock+0xa7/0x330 [ 306.807815] fallback_alloc+0x204/0x2e0 [ 306.811791] ____cache_alloc_node+0x1c7/0x1e0 [ 306.816291] kmem_cache_alloc_node+0xe3/0x730 [ 306.820782] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.825021] __alloc_skb+0x119/0x770 [ 306.828728] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.834007] ? netdev_alloc_frag+0x1f0/0x1f0 [ 306.838408] ? lock_downgrade+0x900/0x900 [ 306.842560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.848089] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.853537] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.858987] ? addrconf_rs_timer+0x690/0x690 [ 306.863400] ndisc_alloc_skb+0x144/0x340 [ 306.867461] ndisc_send_rs+0x331/0x6e0 [ 306.871346] addrconf_rs_timer+0x314/0x690 [ 306.875580] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.879821] call_timer_fn+0x272/0x920 [ 306.883708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.887936] ? process_timeout+0x40/0x40 [ 306.891996] ? __run_timers+0x7da/0xc70 [ 306.895965] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.900454] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.904944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.909177] ? lockdep_hardirqs_on+0x296/0x5b0 [ 306.913761] ? trace_hardirqs_on+0xbd/0x310 [ 306.918079] ? kasan_check_read+0x11/0x20 [ 306.922220] ? __run_timers+0x7da/0xc70 [ 306.926189] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.931299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.935531] __run_timers+0x7e5/0xc70 [ 306.939339] ? timer_fixup_init+0x70/0x70 [ 306.943480] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.947968] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.952463] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 306.957042] ? trace_hardirqs_on+0xbd/0x310 [ 306.961359] ? kasan_check_read+0x11/0x20 [ 306.965506] ? finish_task_switch+0x1f4/0x910 [ 306.970000] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.975104] ? compat_start_thread+0x80/0x80 [ 306.979531] ? pvclock_read_flags+0x160/0x160 [ 306.984018] ? __switch_to_asm+0x34/0x70 [ 306.988078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.993612] ? check_preemption_disabled+0x48/0x280 [ 306.998637] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 307.004179] ? rcu_pm_notify+0xc0/0xc0 [ 307.008063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.013594] ? check_preemption_disabled+0x48/0x280 [ 307.018610] run_timer_softirq+0x52/0xb0 [ 307.022670] ? rcu_read_lock_sched_held+0x14f/0x180 [ 307.027693] __do_softirq+0x308/0xb7e [ 307.031497] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 307.036599] ? smpboot_thread_fn+0x334/0xa00 [ 307.041006] ? schedule+0x108/0x460 [ 307.044632] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.049397] ? trace_hardirqs_off+0xb8/0x310 [ 307.053803] ? smpboot_thread_fn+0x68b/0xa00 [ 307.058211] ? trace_hardirqs_on+0x310/0x310 [ 307.062614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.068154] ? check_preemption_disabled+0x48/0x280 [ 307.073170] ? takeover_tasklets+0xa90/0xa90 [ 307.077592] run_ksoftirqd+0x5e/0x100 [ 307.081386] smpboot_thread_fn+0x68b/0xa00 [ 307.085619] ? sort_range+0x30/0x30 [ 307.089247] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.094348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.099879] ? __kthread_parkme+0xfb/0x1a0 [ 307.104113] ? sort_range+0x30/0x30 [ 307.107735] kthread+0x35a/0x440 [ 307.111112] ? kthread_stop+0x900/0x900 [ 307.115082] ret_from_fork+0x3a/0x50 [ 307.118813] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 307.118818] warn_alloc_show_mem: 1 callbacks suppressed [ 307.118824] Mem-Info: [ 307.125739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.131103] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 307.131103] active_file:12 inactive_file:11 isolated_file:0 [ 307.131103] unevictable:0 dirty:0 writeback:0 unstable:0 [ 307.131103] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 307.131103] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 307.131103] free:13782 free_pcp:358 free_cma:0 [ 307.133473] Call Trace: [ 307.142844] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 307.175772] [ 307.178337] 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 [ 307.205825] dump_stack+0x244/0x39d [ 307.207949] lowmem_reserve[]: 0 2818 6321 6321 [ 307.234049] ? dump_stack_print_info.cold.1+0x20/0x20 [ 307.237653] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 307.242320] warn_alloc.cold.116+0xb7/0x1bd [ 307.247477] lowmem_reserve[]: 0 0 3503 3503 [ 307.275224] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.279530] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 307.283843] ? lock_downgrade+0x900/0x900 [ 307.288655] lowmem_reserve[]: 0 0 0 0 [ 307.317630] ? trace_hardirqs_off+0xb8/0x310 [ 307.321745] 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 [ 307.325538] ? trace_hardirqs_off+0xb8/0x310 [ 307.329916] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 307.343432] __alloc_pages_slowpath+0x26e8/0x2e10 [ 307.347811] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 307.363259] ? warn_alloc+0x120/0x120 [ 307.368057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.382949] ? print_usage_bug+0xc0/0xc0 [ 307.386725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.395540] ? warn_alloc+0x120/0x120 [ 307.399572] 266 total pagecache pages [ 307.408132] ? warn_alloc+0x120/0x120 [ 307.411909] 0 pages in swap cache [ 307.415693] ? print_usage_bug+0xc0/0xc0 [ 307.419469] Swap cache stats: add 0, delete 0, find 0/0 [ 307.422905] ? kvm_clock_read+0x18/0x30 [ 307.426939] Free swap = 0kB [ 307.432289] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 307.436237] Total swap = 0kB [ 307.439244] ? print_usage_bug+0xc0/0xc0 [ 307.444245] 1965979 pages RAM [ 307.447253] ? __lock_acquire+0x62f/0x4c20 [ 307.451286] 0 pages HighMem/MovableOnly [ 307.454381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.458586] 342854 pages reserved [ 307.462563] ? should_fail+0x22d/0xd01 [ 307.468073] 0 pages cma reserved [ 307.471513] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.475447] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.478734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.484070] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.490467] ? __lock_acquire+0x62f/0x4c20 [ 307.495543] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 307.505856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.519804] ? __lock_acquire+0x62f/0x4c20 [ 307.524033] ? should_fail+0x22d/0xd01 [ 307.527916] ? rcu_irq_exit+0x1a2/0x390 [ 307.531898] ? mark_held_locks+0x130/0x130 [ 307.536132] ? mark_held_locks+0x130/0x130 [ 307.540376] ? mark_held_locks+0xc7/0x130 [ 307.544517] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 307.549530] ? zap_class+0x640/0x640 [ 307.553240] ? print_usage_bug+0xc0/0xc0 [ 307.557300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.562833] ? check_preemption_disabled+0x48/0x280 [ 307.567853] ? __lock_is_held+0xb5/0x140 [ 307.571917] __alloc_pages_nodemask+0xa80/0xde0 [ 307.576585] ? zap_class+0x640/0x640 [ 307.580305] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 307.585325] ? find_held_lock+0x36/0x1c0 [ 307.589393] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.594063] ? lock_downgrade+0x900/0x900 [ 307.598214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.603753] cache_grow_begin+0xa5/0x8c0 [ 307.607810] ? do_raw_spin_unlock+0xa7/0x330 [ 307.612223] fallback_alloc+0x204/0x2e0 [ 307.616202] ____cache_alloc_node+0x1c7/0x1e0 [ 307.620699] kmem_cache_alloc_node+0xe3/0x730 [ 307.625189] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.629429] __alloc_skb+0x119/0x770 [ 307.633411] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.638694] ? netdev_alloc_frag+0x1f0/0x1f0 [ 307.643099] ? lock_downgrade+0x900/0x900 [ 307.647256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.652794] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.658244] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.663690] ? addrconf_rs_timer+0x690/0x690 [ 307.668123] ndisc_alloc_skb+0x144/0x340 [ 307.672189] ndisc_send_rs+0x331/0x6e0 [ 307.676077] addrconf_rs_timer+0x314/0x690 [ 307.680312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.684552] call_timer_fn+0x272/0x920 [ 307.688436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.692666] ? process_timeout+0x40/0x40 [ 307.696730] ? mark_held_locks+0xc7/0x130 [ 307.700876] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.705365] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.709853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.714084] ? lockdep_hardirqs_on+0x296/0x5b0 [ 307.718665] ? trace_hardirqs_on+0xbd/0x310 [ 307.722981] ? kasan_check_read+0x11/0x20 [ 307.727135] ? __run_timers+0x7da/0xc70 [ 307.731105] ? trace_hardirqs_off_caller+0x310/0x310 [ 307.736209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.740445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.744690] __run_timers+0x7e5/0xc70 [ 307.748495] ? timer_fixup_init+0x70/0x70 [ 307.752643] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.757658] ? zap_class+0x640/0x640 [ 307.761372] ? print_usage_bug+0xc0/0xc0 [ 307.765430] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.770625] ? find_held_lock+0x36/0x1c0 [ 307.774692] ? zap_class+0x640/0x640 [ 307.778405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.783940] ? check_preemption_disabled+0x48/0x280 [ 307.788965] ? __lock_is_held+0xb5/0x140 [ 307.793028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.798564] ? check_preemption_disabled+0x48/0x280 [ 307.804195] run_timer_softirq+0x52/0xb0 [ 307.808258] ? rcu_read_lock_sched_held+0x14f/0x180 [ 307.813272] __do_softirq+0x308/0xb7e [ 307.817074] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 307.821564] ? lock_downgrade+0x900/0x900 [ 307.825733] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 307.830838] ? pvclock_read_flags+0x160/0x160 [ 307.835332] ? lapic_next_event+0x5a/0x90 [ 307.839483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.845018] ? kvm_clock_read+0x18/0x30 [ 307.848989] ? kvm_sched_clock_read+0x9/0x20 [ 307.853410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.858949] ? check_preemption_disabled+0x48/0x280 [ 307.863969] irq_exit+0x17f/0x1c0 [ 307.867421] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.872259] ? smp_reschedule_interrupt+0x109/0x650 [ 307.877271] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.883165] ? interrupt_entry+0xb5/0xc0 [ 307.887224] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.892237] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.897249] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.902087] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.907106] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.912125] ? task_prio+0x50/0x50 [ 307.915667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.921203] ? check_preemption_disabled+0x48/0x280 [ 307.926221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.931065] apic_timer_interrupt+0xf/0x20 [ 307.935293] [ 307.937531] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 307.942547] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 307.961446] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 307.969150] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 307.976414] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 307.983679] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 307.990945] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 307.998207] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 308.005503] rcu_read_lock_held+0xa9/0xc0 [ 308.009649] css_next_child+0x2a2/0x620 [ 308.013634] ? cgroup_mount+0xd30/0xd30 [ 308.017609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.023142] ? check_preemption_disabled+0x48/0x280 [ 308.028171] ? __lock_is_held+0xb5/0x140 [ 308.032249] css_next_descendant_pre+0xeb/0x190 [ 308.036920] mem_cgroup_iter+0x42f/0x1160 [ 308.041066] ? kasan_check_write+0x14/0x20 [ 308.045305] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 308.050069] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.055088] ? shrink_slab+0xfa/0x8c0 [ 308.058888] ? shrink_active_list+0x1f00/0x1f00 [ 308.063580] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 308.069208] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 308.074316] ? cgroup_procs_write_finish+0xf0/0xf0 [ 308.079247] ? find_held_lock+0x36/0x1c0 [ 308.083307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.088842] ? vmpressure+0x1a2/0x340 [ 308.092647] shrink_node+0x516/0x16b0 [ 308.096446] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 308.101741] ? shrink_node_memcg+0x18f0/0x18f0 [ 308.106324] ? kvm_clock_read+0x18/0x30 [ 308.110297] ? ktime_get+0x2c1/0x400 [ 308.114039] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 308.118533] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 308.124071] ? __cpuset_node_allowed+0x19b/0x660 [ 308.128828] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 308.134537] ? delayacct_end+0x5a/0x100 [ 308.138521] do_try_to_free_pages+0x3e7/0x1290 [ 308.143110] ? zap_class+0x640/0x640 [ 308.146836] ? shrink_node+0x16b0/0x16b0 [ 308.150896] ? __lock_is_held+0xb5/0x140 [ 308.154964] try_to_free_pages+0x4d0/0xb90 [ 308.159201] ? do_try_to_free_pages+0x1290/0x1290 [ 308.164058] ? lock_acquire+0x1ed/0x520 [ 308.168036] ? set_page_refcounted+0x280/0x280 [ 308.172622] ? lock_release+0xa00/0xa00 [ 308.176593] ? _raw_spin_unlock_irq+0x60/0x80 [ 308.181101] ? psi_memstall_enter+0x240/0x2b0 [ 308.185593] ? psi_memstall_tick+0x230/0x230 [ 308.190009] __alloc_pages_slowpath+0xa14/0x2e10 [ 308.194803] ? warn_alloc+0x120/0x120 [ 308.198598] ? mark_held_locks+0x130/0x130 [ 308.202835] ? find_get_entry+0xaae/0x1120 [ 308.207073] ? filemap_map_pages+0x1a20/0x1a20 [ 308.211658] ? zap_class+0x640/0x640 [ 308.215374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.220913] ? check_preemption_disabled+0x48/0x280 [ 308.225934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.231467] ? should_fail+0x22d/0xd01 [ 308.235352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.240452] ? zap_class+0x640/0x640 [ 308.244183] ? __lock_is_held+0xb5/0x140 [ 308.248256] ? mark_held_locks+0x130/0x130 [ 308.252489] ? lock_release+0xa00/0xa00 [ 308.256459] ? perf_trace_sched_process_exec+0x860/0x860 [ 308.261909] ? xa_load+0x2ba/0x460 [ 308.265445] ? lock_downgrade+0x900/0x900 [ 308.269594] ? __might_sleep+0x95/0x190 [ 308.273576] __alloc_pages_nodemask+0xa80/0xde0 [ 308.278245] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 308.283272] ? __page_cache_alloc+0x191/0x5c0 [ 308.287766] ? xa_load+0x2e1/0x460 [ 308.291302] ? xa_clear_mark+0x40/0x40 [ 308.295189] ? zap_class+0x640/0x640 [ 308.298907] ? zap_class+0x640/0x640 [ 308.302629] ? zap_class+0x640/0x640 [ 308.306377] ? __do_page_cache_readahead+0x663/0x810 [ 308.311479] ? find_held_lock+0x36/0x1c0 [ 308.315546] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 308.321088] alloc_pages_current+0x173/0x350 [ 308.325498] __page_cache_alloc+0x38c/0x5c0 [ 308.329813] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.334738] ? kasan_check_read+0x11/0x20 [ 308.338882] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.344156] ? generic_perform_write+0x6a0/0x6a0 [ 308.348910] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.354447] ? check_preemption_disabled+0x48/0x280 [ 308.359468] filemap_fault+0x1595/0x25f0 [ 308.363543] ? __lock_page_or_retry+0xa00/0xa00 [ 308.368208] ? mark_held_locks+0x130/0x130 [ 308.372446] ? filemap_map_pages+0xd6b/0x1a20 [ 308.376938] ? lock_downgrade+0x900/0x900 [ 308.381097] ? check_preemption_disabled+0x48/0x280 [ 308.386112] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.391041] ? kasan_check_read+0x11/0x20 [ 308.395191] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.400565] ? rcu_softirq_qs+0x20/0x20 [ 308.404557] ? filemap_map_pages+0xd92/0x1a20 [ 308.409406] ? print_usage_bug+0xc0/0xc0 [ 308.413469] ? find_get_entries_tag+0x1400/0x1400 [ 308.418311] ? __kasan_slab_free+0x102/0x150 [ 308.422713] ? kasan_slab_free+0xe/0x10 [ 308.426682] ? kmem_cache_free+0x83/0x290 [ 308.430838] ? __sigqueue_free.part.29+0x74/0x90 [ 308.435609] ? lock_acquire+0x1ed/0x520 [ 308.439578] ? ext4_filemap_fault+0x7a/0xad [ 308.443900] ? lock_release+0xa00/0xa00 [ 308.447869] ? perf_trace_sched_process_exec+0x860/0x860 [ 308.453313] ? print_usage_bug+0xc0/0xc0 [ 308.457371] ? print_usage_bug+0xc0/0xc0 [ 308.461439] ? down_read+0x8d/0x120 [ 308.465066] ? ext4_filemap_fault+0x7a/0xad [ 308.469386] ? __down_interruptible+0x700/0x700 [ 308.474057] ext4_filemap_fault+0x82/0xad [ 308.478206] __do_fault+0x100/0x6b0 [ 308.481845] ? pmd_devmap_trans_unstable+0x220/0x220 [ 308.486951] ? mark_held_locks+0x130/0x130 [ 308.491181] ? mark_held_locks+0x130/0x130 [ 308.495416] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 308.500953] ? rcu_pm_notify+0xc0/0xc0 [ 308.504847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.510384] __handle_mm_fault+0x3ea0/0x5be0 [ 308.514796] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 308.519631] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.524124] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 308.528706] ? trace_hardirqs_on+0xbd/0x310 [ 308.533020] ? kasan_check_read+0x11/0x20 [ 308.537166] ? __set_current_blocked+0xdf/0x120 [ 308.541831] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.546942] ? zap_class+0x640/0x640 [ 308.550651] ? zap_class+0x640/0x640 [ 308.554380] ? find_held_lock+0x36/0x1c0 [ 308.558446] ? handle_mm_fault+0x42a/0xc70 [ 308.562680] ? lock_downgrade+0x900/0x900 [ 308.566824] ? check_preemption_disabled+0x48/0x280 [ 308.571836] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.576760] ? kasan_check_read+0x11/0x20 [ 308.580901] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.586172] ? rcu_softirq_qs+0x20/0x20 [ 308.590144] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.595247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.600786] ? check_preemption_disabled+0x48/0x280 [ 308.605803] handle_mm_fault+0x54f/0xc70 [ 308.609868] ? __handle_mm_fault+0x5be0/0x5be0 [ 308.614454] ? find_vma+0x34/0x190 [ 308.617993] __do_page_fault+0x5e8/0xe60 [ 308.622056] ? exit_to_usermode_loop+0x1f4/0x380 [ 308.626816] do_page_fault+0xf2/0x7e0 [ 308.630616] ? vmalloc_sync_all+0x30/0x30 [ 308.634763] ? error_entry+0x70/0xd0 [ 308.638575] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.643591] ? trace_hardirqs_on_caller+0xc0/0x310 [ 308.648524] ? syscall_return_slowpath+0x5e0/0x5e0 [ 308.653450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.658293] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.663304] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.668757] ? prepare_exit_to_usermode+0x291/0x3b0 [ 308.673768] ? page_fault+0x8/0x30 [ 308.677305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.682147] ? page_fault+0x8/0x30 [ 308.685687] page_fault+0x1e/0x30 [ 308.689132] RIP: 0033:0x45db60 [ 308.692337] Code: Bad RIP value. [ 308.695693] RSP: 002b:000000c420395ab8 EFLAGS: 00010246 [ 308.701053] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 308.708315] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011 [ 308.715579] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8 [ 308.722857] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 308.730135] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000 [ 308.737421] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81 [ 308.737483] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 308.744170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.744175] Call Trace: [ 308.744192] dump_stack+0x244/0x39d [ 308.744211] ? dump_stack_print_info.cold.1+0x20/0x20 [ 308.750728] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 308.760036] warn_alloc.cold.116+0xb7/0x1bd [ 308.762593] syz-fuzzer cpuset=/ mems_allowed=0 [ 308.766209] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.795381] ? lock_downgrade+0x900/0x900 [ 308.799544] ? trace_hardirqs_off+0xb8/0x310 [ 308.803954] ? trace_hardirqs_off+0xb8/0x310 [ 308.808368] __alloc_pages_slowpath+0x26e8/0x2e10 [ 308.813231] ? warn_alloc+0x120/0x120 [ 308.817029] ? print_usage_bug+0xc0/0xc0 [ 308.821091] ? warn_alloc+0x120/0x120 [ 308.824903] ? warn_alloc+0x120/0x120 [ 308.828709] ? print_usage_bug+0xc0/0xc0 [ 308.832771] ? print_usage_bug+0xc0/0xc0 [ 308.836829] ? __lock_acquire+0x62f/0x4c20 [ 308.841065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.846597] ? should_fail+0x22d/0xd01 [ 308.850482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.855590] ? __lock_acquire+0x62f/0x4c20 [ 308.859825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.864924] ? __lock_acquire+0x62f/0x4c20 [ 308.869154] ? should_fail+0x22d/0xd01 [ 308.873036] ? find_held_lock+0x36/0x1c0 [ 308.877104] ? mark_held_locks+0x130/0x130 [ 308.881339] ? mark_held_locks+0x130/0x130 [ 308.885567] ? zap_class+0x640/0x640 [ 308.889283] ? mark_held_locks+0xc7/0x130 [ 308.893428] ? do_raw_spin_unlock+0xa7/0x330 [ 308.897836] ? zap_class+0x640/0x640 [ 308.901559] ? print_usage_bug+0xc0/0xc0 [ 308.905619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.911152] ? check_preemption_disabled+0x48/0x280 [ 308.916174] ? __lock_is_held+0xb5/0x140 [ 308.920235] __alloc_pages_nodemask+0xa80/0xde0 [ 308.924900] ? zap_class+0x640/0x640 [ 308.928613] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 308.933635] ? find_held_lock+0x36/0x1c0 [ 308.937700] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.942364] ? lock_downgrade+0x900/0x900 [ 308.946524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.952059] cache_grow_begin+0xa5/0x8c0 [ 308.956117] ? do_raw_spin_unlock+0xa7/0x330 [ 308.960538] fallback_alloc+0x204/0x2e0 [ 308.964530] ____cache_alloc_node+0x1c7/0x1e0 [ 308.969024] kmem_cache_alloc_node+0xe3/0x730 [ 308.973525] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.977765] __alloc_skb+0x119/0x770 [ 308.981474] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.986855] ? netdev_alloc_frag+0x1f0/0x1f0 [ 308.991258] ? lock_downgrade+0x900/0x900 [ 308.995407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.000944] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.006396] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.012188] ? addrconf_rs_timer+0x690/0x690 [ 309.016603] ndisc_alloc_skb+0x144/0x340 [ 309.020669] ndisc_send_rs+0x331/0x6e0 [ 309.024561] addrconf_rs_timer+0x314/0x690 [ 309.028795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.033037] call_timer_fn+0x272/0x920 [ 309.036925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.041156] ? process_timeout+0x40/0x40 [ 309.045221] ? __run_timers+0x7da/0xc70 [ 309.049191] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.053683] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.058171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.062401] ? lockdep_hardirqs_on+0x296/0x5b0 [ 309.066980] ? trace_hardirqs_on+0xbd/0x310 [ 309.071297] ? kasan_check_read+0x11/0x20 [ 309.075440] ? __run_timers+0x7da/0xc70 [ 309.079410] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.084519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.088751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.092983] __run_timers+0x7e5/0xc70 [ 309.096787] ? timer_fixup_init+0x70/0x70 [ 309.100928] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.105419] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.109913] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 309.114499] ? trace_hardirqs_on+0xbd/0x310 [ 309.118832] ? kasan_check_read+0x11/0x20 [ 309.122991] ? finish_task_switch+0x1f4/0x910 [ 309.127497] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.132606] ? compat_start_thread+0x80/0x80 [ 309.137031] ? pvclock_read_flags+0x160/0x160 [ 309.141526] ? __switch_to_asm+0x34/0x70 [ 309.145587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.151120] ? check_preemption_disabled+0x48/0x280 [ 309.156137] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 309.161670] ? rcu_pm_notify+0xc0/0xc0 [ 309.165555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.171088] ? check_preemption_disabled+0x48/0x280 [ 309.176113] run_timer_softirq+0x52/0xb0 [ 309.180169] ? rcu_read_lock_sched_held+0x14f/0x180 [ 309.185196] __do_softirq+0x308/0xb7e [ 309.189005] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 309.194106] ? smpboot_thread_fn+0x334/0xa00 [ 309.198518] ? schedule+0x108/0x460 [ 309.202140] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.206902] ? trace_hardirqs_off+0xb8/0x310 [ 309.211308] ? smpboot_thread_fn+0x68b/0xa00 [ 309.215713] ? trace_hardirqs_on+0x310/0x310 [ 309.220117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.225652] ? check_preemption_disabled+0x48/0x280 [ 309.230665] ? takeover_tasklets+0xa90/0xa90 [ 309.235074] run_ksoftirqd+0x5e/0x100 [ 309.238870] smpboot_thread_fn+0x68b/0xa00 [ 309.243103] ? sort_range+0x30/0x30 [ 309.246730] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.251930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.257482] ? __kthread_parkme+0xfb/0x1a0 [ 309.261720] ? sort_range+0x30/0x30 [ 309.265340] kthread+0x35a/0x440 [ 309.268704] ? kthread_stop+0x900/0x900 [ 309.272680] ret_from_fork+0x3a/0x50 [ 309.276400] warn_alloc_show_mem: 1 callbacks suppressed [ 309.276409] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81 [ 309.276411] Mem-Info: [ 309.276445] active_anon:52607 inactive_anon:182 isolated_anon:0 [ 309.276445] active_file:12 inactive_file:11 isolated_file:0 [ 309.276445] unevictable:0 dirty:0 writeback:0 unstable:0 [ 309.276445] slab_reclaimable:9133 slab_unreclaimable:1457587 [ 309.276445] mapped:32770 shmem:243 pagetables:586 bounce:0 [ 309.276445] free:13782 free_pcp:358 free_cma:0 [ 309.281771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.281778] Call Trace: [ 309.288716] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 309.291106] [ 309.323961] 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 [ 309.333312] dump_stack+0x244/0x39d [ 309.335865] lowmem_reserve[]: 0 2818 6321 6321 [ 309.363361] ? dump_stack_print_info.cold.1+0x20/0x20 [ 309.365488] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 309.391590] warn_alloc.cold.116+0xb7/0x1bd [ 309.395194] lowmem_reserve[]: 0 0 3503 3503 [ 309.399773] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.404935] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB [ 309.432625] ? lock_downgrade+0x900/0x900 [ 309.436917] lowmem_reserve[]: 0 0 0 0 [ 309.441232] ? trace_hardirqs_off+0xb8/0x310 [ 309.446046] 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 [ 309.475011] ? trace_hardirqs_off+0xb8/0x310 [ 309.479129] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB [ 309.482924] __alloc_pages_slowpath+0x26e8/0x2e10 [ 309.487296] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB [ 309.500840] ? warn_alloc+0x120/0x120 [ 309.505209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 309.520364] ? print_usage_bug+0xc0/0xc0 [ 309.525183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 309.540075] ? warn_alloc+0x120/0x120 [ 309.543849] 266 total pagecache pages [ 309.552677] ? warn_alloc+0x120/0x120 [ 309.556718] 0 pages in swap cache [ 309.565276] ? print_usage_bug+0xc0/0xc0 [ 309.569055] Swap cache stats: add 0, delete 0, find 0/0 [ 309.572839] ? print_usage_bug+0xc0/0xc0 [ 309.576610] Free swap = 0kB [ 309.580050] ? __lock_acquire+0x62f/0x4c20 [ 309.584086] Total swap = 0kB [ 309.589445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.593476] 1965979 pages RAM [ 309.596485] ? should_fail+0x22d/0xd01 [ 309.600692] 0 pages HighMem/MovableOnly [ 309.603699] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.609216] 342854 pages reserved [ 309.609223] 0 pages cma reserved [ 309.612317] ? __lock_acquire+0x62f/0x4c20 [ 309.616237] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.620154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.625305] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.628672] ? __lock_acquire+0x62f/0x4c20 [ 309.632466] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 309.636692] ? should_fail+0x22d/0xd01 [ 309.671271] ? find_held_lock+0x36/0x1c0 [ 309.675336] ? mark_held_locks+0x130/0x130 [ 309.679573] ? mark_held_locks+0x130/0x130 [ 309.683802] ? zap_class+0x640/0x640 [ 309.687510] ? zap_class+0x640/0x640 [ 309.691223] ? print_usage_bug+0xc0/0xc0 [ 309.695281] ? do_raw_spin_unlock+0xa7/0x330 [ 309.699685] ? zap_class+0x640/0x640 [ 309.703393] ? print_usage_bug+0xc0/0xc0 [ 309.707456] ? wq_watchdog_touch+0x9c/0xfe [ 309.711713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.717248] ? check_preemption_disabled+0x48/0x280 [ 309.722269] ? __lock_is_held+0xb5/0x140 [ 309.726331] __alloc_pages_nodemask+0xa80/0xde0 [ 309.730994] ? zap_class+0x640/0x640 [ 309.734708] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 309.739742] ? find_held_lock+0x36/0x1c0 [ 309.743807] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.748477] ? lock_downgrade+0x900/0x900 [ 309.752626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.758169] cache_grow_begin+0xa5/0x8c0 [ 309.762223] ? do_raw_spin_unlock+0xa7/0x330 [ 309.766634] fallback_alloc+0x204/0x2e0 [ 309.770611] ____cache_alloc_node+0x1c7/0x1e0 [ 309.775112] kmem_cache_alloc_node+0xe3/0x730 [ 309.779606] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.783850] __alloc_skb+0x119/0x770 [ 309.787559] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.792835] ? netdev_alloc_frag+0x1f0/0x1f0 [ 309.797239] ? lock_downgrade+0x900/0x900 [ 309.801899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.807440] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.812888] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.818333] ? addrconf_rs_timer+0x690/0x690 [ 309.822749] ndisc_alloc_skb+0x144/0x340 [ 309.826822] ndisc_send_rs+0x331/0x6e0 [ 309.830712] addrconf_rs_timer+0x314/0x690 [ 309.834952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.839190] call_timer_fn+0x272/0x920 [ 309.843071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.847302] ? process_timeout+0x40/0x40 [ 309.851371] ? mark_held_locks+0xc7/0x130 [ 309.855516] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.860016] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.864508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.868737] ? lockdep_hardirqs_on+0x296/0x5b0 [ 309.873315] ? trace_hardirqs_on+0xbd/0x310 [ 309.877631] ? kasan_check_read+0x11/0x20 [ 309.881773] ? __run_timers+0x7da/0xc70 [ 309.885744] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.890845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.895078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.899306] __run_timers+0x7e5/0xc70 [ 309.903124] ? timer_fixup_init+0x70/0x70 [ 309.907272] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.912283] ? zap_class+0x640/0x640 [ 309.915997] ? print_usage_bug+0xc0/0xc0 [ 309.920059] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 309.925253] ? find_held_lock+0x36/0x1c0 [ 309.929314] ? zap_class+0x640/0x640 [ 309.933038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.938575] ? check_preemption_disabled+0x48/0x280 [ 309.943607] ? __lock_is_held+0xb5/0x140 [ 309.947666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.953197] ? check_preemption_disabled+0x48/0x280 [ 309.958211] run_timer_softirq+0x52/0xb0 [ 309.962265] ? rcu_read_lock_sched_held+0x14f/0x180 [ 309.967276] __do_softirq+0x308/0xb7e [ 309.971076] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 309.975572] ? lock_downgrade+0x900/0x900 [ 309.979716] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 309.984826] ? pvclock_read_flags+0x160/0x160 [ 309.989319] ? lapic_next_event+0x5a/0x90 [ 309.993467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.999008] ? kvm_clock_read+0x18/0x30 [ 310.002978] ? kvm_sched_clock_read+0x9/0x20 [ 310.007406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.012946] ? check_preemption_disabled+0x48/0x280 [ 310.017963] irq_exit+0x17f/0x1c0 [ 310.021417] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.026255] ? smp_reschedule_interrupt+0x109/0x650 [ 310.031345] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.037227] ? interrupt_entry+0xb5/0xc0 [ 310.041286] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.046299] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.051315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.056160] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.061170] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.066182] ? task_prio+0x50/0x50 [ 310.069720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.075257] ? check_preemption_disabled+0x48/0x280 [ 310.080364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.085214] apic_timer_interrupt+0xf/0x20 [ 310.089444] [ 310.091688] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 310.096700] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 [ 310.115945] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 310.123646] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 310.130910] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286 [ 310.138175] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67 [ 310.145438] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300 [ 310.152700] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000 [ 310.159992] rcu_read_lock_held+0xa9/0xc0 [ 310.164137] css_next_child+0x2a2/0x620 [ 310.168111] ? cgroup_mount+0xd30/0xd30 [ 310.172085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.177634] ? check_preemption_disabled+0x48/0x280 [ 310.182654] ? __lock_is_held+0xb5/0x140 [ 310.186723] css_next_descendant_pre+0xeb/0x190 [ 310.191397] mem_cgroup_iter+0x42f/0x1160 [ 310.195543] ? kasan_check_write+0x14/0x20 [ 310.199784] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 310.204534] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.209550] ? shrink_slab+0xfa/0x8c0 [ 310.213445] ? shrink_active_list+0x1f00/0x1f00 [ 310.218118] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 310.223738] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 310.228842] ? cgroup_procs_write_finish+0xf0/0xf0 [ 310.233778] ? find_held_lock+0x36/0x1c0 [ 310.237838] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.243371] ? vmpressure+0x1a2/0x340 [ 310.247177] shrink_node+0x516/0x16b0 [ 310.250975] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 310.256272] ? shrink_node_memcg+0x18f0/0x18f0 [ 310.260867] ? kvm_clock_read+0x18/0x30 [ 310.264842] ? ktime_get+0x2c1/0x400 [ 310.268556] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 310.273062] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.278595] ? __cpuset_node_allowed+0x19b/0x660 [ 310.283349] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 310.289065] ? delayacct_end+0x5a/0x100 [ 310.293046] do_try_to_free_pages+0x3e7/0x1290 [ 310.297623] ? zap_class+0x640/0x640 [ 310.301350] ? shrink_node+0x16b0/0x16b0 [ 310.305414] ? __lock_is_held+0xb5/0x140 [ 310.309489] try_to_free_pages+0x4d0/0xb90 [ 310.313726] ? do_try_to_free_pages+0x1290/0x1290 [ 310.318576] ? lock_acquire+0x1ed/0x520 [ 310.322561] ? set_page_refcounted+0x280/0x280 [ 310.327145] ? lock_release+0xa00/0xa00 [ 310.331116] ? _raw_spin_unlock_irq+0x60/0x80 [ 310.335611] ? psi_memstall_enter+0x240/0x2b0 [ 310.340101] ? psi_memstall_tick+0x230/0x230 [ 310.344513] __alloc_pages_slowpath+0xa14/0x2e10 [ 310.349291] ? warn_alloc+0x120/0x120 [ 310.353086] ? mark_held_locks+0x130/0x130 [ 310.357325] ? find_get_entry+0xaae/0x1120 [ 310.361564] ? filemap_map_pages+0x1a20/0x1a20 [ 310.366146] ? zap_class+0x640/0x640 [ 310.369862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.375396] ? check_preemption_disabled+0x48/0x280 [ 310.380407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.385940] ? should_fail+0x22d/0xd01 [ 310.389825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.394929] ? zap_class+0x640/0x640 [ 310.398658] ? __lock_is_held+0xb5/0x140 [ 310.402722] ? mark_held_locks+0x130/0x130 [ 310.406958] ? lock_release+0xa00/0xa00 [ 310.410934] ? perf_trace_sched_process_exec+0x860/0x860 [ 310.416385] ? xa_load+0x2ba/0x460 [ 310.419925] ? lock_downgrade+0x900/0x900 [ 310.424072] ? __might_sleep+0x95/0x190 [ 310.428048] __alloc_pages_nodemask+0xa80/0xde0 [ 310.432717] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 310.437729] ? __page_cache_alloc+0x191/0x5c0 [ 310.442222] ? xa_load+0x2e1/0x460 [ 310.445759] ? xa_clear_mark+0x40/0x40 [ 310.449643] ? zap_class+0x640/0x640 [ 310.453368] ? zap_class+0x640/0x640 [ 310.457077] ? zap_class+0x640/0x640 [ 310.460785] ? __do_page_cache_readahead+0x663/0x810 [ 310.465894] ? find_held_lock+0x36/0x1c0 [ 310.469957] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 310.475495] alloc_pages_current+0x173/0x350 [ 310.479911] __page_cache_alloc+0x38c/0x5c0 [ 310.484227] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 310.489149] ? kasan_check_read+0x11/0x20 [ 310.493293] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.498653] ? generic_perform_write+0x6a0/0x6a0 [ 310.503408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.508942] ? check_preemption_disabled+0x48/0x280 [ 310.513960] filemap_fault+0x1595/0x25f0 [ 310.518028] ? __lock_page_or_retry+0xa00/0xa00 [ 310.522694] ? mark_held_locks+0x130/0x130 [ 310.526934] ? filemap_map_pages+0xd6b/0x1a20 [ 310.531428] ? lock_downgrade+0x900/0x900 [ 310.535572] ? check_preemption_disabled+0x48/0x280 [ 310.540585] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 310.545509] ? kasan_check_read+0x11/0x20 [ 310.549654] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.554929] ? rcu_softirq_qs+0x20/0x20 [ 310.558912] ? filemap_map_pages+0xd92/0x1a20 [ 310.563412] ? print_usage_bug+0xc0/0xc0 [ 310.567475] ? find_get_entries_tag+0x1400/0x1400 [ 310.572314] ? __kasan_slab_free+0x102/0x150 [ 310.576726] ? kasan_slab_free+0xe/0x10 [ 310.580695] ? kmem_cache_free+0x83/0x290 [ 310.584845] ? __sigqueue_free.part.29+0x74/0x90 [ 310.589611] ? lock_acquire+0x1ed/0x520 [ 310.593581] ? ext4_filemap_fault+0x7a/0xad [ 310.597911] ? lock_release+0xa00/0xa00 [ 310.601883] ? perf_trace_sched_process_exec+0x860/0x860 [ 310.607329] ? print_usage_bug+0xc0/0xc0 [ 310.611395] ? print_usage_bug+0xc0/0xc0 [ 310.615462] ? down_read+0x8d/0x120 [ 310.619088] ? ext4_filemap_fault+0x7a/0xad [ 310.623418] ? __down_interruptible+0x700/0x700 [ 310.628092] ext4_filemap_fault+0x82/0xad [ 310.632237] __do_fault+0x100/0x6b0 [ 310.635867] ? pmd_devmap_trans_unstable+0x220/0x220 [ 310.640973] ? mark_held_locks+0x130/0x130