64909] dump_stack+0x244/0x39d [ 329.566787] Node 0 active_anon:206764kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 329.568560] ? dump_stack_print_info.cold.1+0x20/0x20 [ 329.568588] warn_alloc.cold.117+0xb7/0x1bd [ 329.568603] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 329.568620] ? lock_downgrade+0x900/0x900 [ 329.568642] ? trace_hardirqs_off+0xb8/0x310 [ 329.568664] ? trace_hardirqs_off+0xb8/0x310 [ 329.568691] __alloc_pages_slowpath+0x2660/0x2d70 [ 329.617163] Node 0 [ 329.619149] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 329.619171] ? warn_alloc+0x120/0x120 [ 329.619188] ? warn_alloc+0x120/0x120 [ 329.619205] ? print_usage_bug+0xc0/0xc0 [ 329.619219] ? warn_alloc+0x120/0x120 [ 329.619237] ? print_usage_bug+0xc0/0xc0 [ 329.642050] 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 [ 329.644104] ? mark_held_locks+0x130/0x130 [ 329.664394] lowmem_reserve[]: [ 329.681507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.681521] ? should_fail+0x22d/0xd01 [ 329.681532] ? zap_class+0x640/0x640 [ 329.681547] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.681559] ? __lock_acquire+0x62f/0x4c20 [ 329.681573] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.681584] ? __lock_acquire+0x62f/0x4c20 [ 329.681595] ? should_fail+0x22d/0xd01 [ 329.681607] ? zap_class+0x640/0x640 [ 329.681629] ? mark_held_locks+0x130/0x130 [ 329.681649] ? mark_held_locks+0x130/0x130 [ 329.681664] ? zap_class+0x640/0x640 [ 329.681682] ? zap_class+0x640/0x640 [ 329.681695] ? up+0xea/0x1c0 [ 329.681715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.705598] 0 [ 329.707313] ? check_preemption_disabled+0x48/0x280 [ 329.707345] ? __lock_is_held+0xb5/0x140 [ 329.707365] __alloc_pages_nodemask+0xa80/0xde0 [ 329.707379] ? zap_class+0x640/0x640 [ 329.707398] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 329.707421] ? find_held_lock+0x36/0x1c0 [ 329.726408] 2818 [ 329.728663] ? ____cache_alloc_node+0x1c7/0x1e0 [ 329.728681] ? lock_downgrade+0x900/0x900 [ 329.728703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.728720] cache_grow_begin+0xa5/0x8c0 [ 329.728737] ? do_raw_spin_unlock+0xa7/0x330 [ 329.732973] 6321 [ 329.737219] fallback_alloc+0x204/0x2e0 [ 329.737238] ____cache_alloc_node+0x1c7/0x1e0 [ 329.737255] kmem_cache_alloc_node+0xe3/0x730 [ 329.737270] ? lockdep_hardirqs_on+0x296/0x5b0 [ 329.737310] __alloc_skb+0x119/0x770 [ 329.737335] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 329.737353] ? netdev_alloc_frag+0x1f0/0x1f0 [ 329.737374] ? vprintk_default+0x28/0x30 [ 329.737391] ? vprintk_func+0x85/0x181 [ 329.737404] ? printk+0xa7/0xcf [ 329.737427] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 329.766711] 6321 [ 329.768967] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 329.768992] new_skb+0x26/0x1c0 [ 329.769007] aoecmd_cfg+0x279/0x7f0 [ 329.769023] ? find_held_lock+0x36/0x1c0 [ 329.769039] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 329.769060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.769083] ? __lock_is_held+0xb5/0x140 [ 329.792764] discover_timer+0x50/0x60 [ 329.813601] Node 0 [ 329.817334] call_timer_fn+0x272/0x920 [ 329.817353] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 329.817368] ? process_timeout+0x40/0x40 [ 329.817392] ? __run_timers+0x7da/0xc70 [ 329.817410] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.817424] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.817438] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 329.817453] ? lockdep_hardirqs_on+0x296/0x5b0 [ 329.817472] ? trace_hardirqs_on+0xbd/0x310 [ 329.841945] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 329.844082] ? kasan_check_read+0x11/0x20 [ 329.873109] lowmem_reserve[]: [ 329.874067] ? __run_timers+0x7da/0xc70 [ 329.884292] 0 [ 329.887962] ? trace_hardirqs_off_caller+0x310/0x310 [ 329.887992] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 329.888008] __run_timers+0x7e5/0xc70 [ 329.888035] ? timer_fixup_init+0x70/0x70 [ 329.888050] ? compat_start_thread+0x80/0x80 [ 329.888069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.897010] 0 [ 329.898017] ? _raw_spin_unlock_irq+0x60/0x80 [ 329.898035] ? finish_task_switch+0x1f4/0x910 [ 329.898047] ? finish_task_switch+0x1b4/0x910 [ 329.898060] ? __switch_to_asm+0x34/0x70 [ 329.898075] ? preempt_notifier_register+0x200/0x200 [ 329.898090] ? __switch_to_asm+0x34/0x70 [ 329.898103] ? __switch_to_asm+0x40/0x70 [ 329.898116] ? __switch_to_asm+0x34/0x70 [ 329.898129] ? __switch_to_asm+0x40/0x70 [ 329.898141] ? __switch_to_asm+0x34/0x70 [ 329.898153] ? __switch_to_asm+0x40/0x70 [ 329.898172] ? __switch_to_asm+0x40/0x70 [ 329.917042] 3503 [ 329.920023] ? pvclock_read_flags+0x160/0x160 [ 329.920040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.920054] ? check_preemption_disabled+0x48/0x280 [ 329.920080] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 329.920095] ? rcu_pm_notify+0xc0/0xc0 [ 329.920110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.920127] ? check_preemption_disabled+0x48/0x280 [ 329.940519] 3503 [ 329.960686] run_timer_softirq+0x52/0xb0 [ 329.960703] ? rcu_read_lock_sched_held+0x14f/0x180 [ 329.960716] __do_softirq+0x308/0xb7e [ 329.960734] ? retint_kernel+0x2d/0x2d [ 329.960749] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 329.960763] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 329.960783] ? schedule+0x108/0x460 [ 329.960799] ? __schedule+0x21d0/0x21d0 [ 329.960818] ? trace_hardirqs_off+0xb8/0x310 [ 329.960834] ? smpboot_thread_fn+0x68b/0xa00 [ 329.960848] ? trace_hardirqs_on+0x310/0x310 [ 329.960865] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.960880] ? check_preemption_disabled+0x48/0x280 [ 329.960899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.983856] ? takeover_tasklets+0xa90/0xa90 [ 330.005879] Node 0 [ 330.008010] run_ksoftirqd+0x5e/0x100 [ 330.008027] smpboot_thread_fn+0x68b/0xa00 [ 330.008042] ? sort_range+0x30/0x30 [ 330.008058] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 330.008073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.008089] ? __kthread_parkme+0xfb/0x1a0 [ 330.008112] kthread+0x35a/0x420 [ 330.031636] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206704kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1252kB local_pcp:1004kB free_cma:0kB [ 330.034367] ? sort_range+0x30/0x30 [ 330.053234] lowmem_reserve[]: [ 330.054643] ? kthread_stop+0x900/0x900 [ 330.056694] 0 [ 330.061194] ret_from_fork+0x3a/0x50 [ 330.061220] warn_alloc_show_mem: 1 callbacks suppressed [ 330.061224] Mem-Info: [ 330.061256] active_anon:51691 inactive_anon:132 isolated_anon:0 [ 330.061256] active_file:13 inactive_file:12 isolated_file:0 [ 330.061256] unevictable:0 dirty:0 writeback:0 unstable:0 [ 330.061256] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 330.061256] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 330.061256] free:13679 free_pcp:375 free_cma:0 [ 330.061293] Node 0 active_anon:206764kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 330.061299] 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 [ 330.061345] lowmem_reserve[]: [ 330.086692] 0 [ 330.086869] 0 [ 330.116842] 0 [ 330.121203] 2818 6321 6321 [ 330.121220] Node 0 DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 330.121253] lowmem_reserve[]: 0 0 3503 3503 [ 330.121274] Node 0 Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206704kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1252kB local_pcp:248kB free_cma:0kB [ 330.121317] lowmem_reserve[]: 0 0 0 0 [ 330.121347] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) [ 330.142241] 0 [ 330.147726] 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 330.147786] Node 0 DMA32: 5*4kB (M) 1*8kB (U) 4*16kB (M) 2*32kB (M) 4*64kB (UM) 3*128kB (M) [ 330.168854] 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24860kB [ 330.168901] Node 0 Normal: 767*4kB (UME) 454*8kB (ME) 185*16kB (UME) 80*32kB (UME) 22*64kB [ 330.173239] Node 0 [ 330.176808] (M) 1*128kB [ 330.206995] DMA: [ 330.223500] (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14012kB [ 330.223545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 330.223555] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 330.223560] 163 total pagecache pages [ 330.223573] 0 pages in swap cache [ 330.223580] Swap cache stats: add 0, delete 0, find 0/0 [ 330.223584] Free swap = 0kB [ 330.223588] Total swap = 0kB [ 330.223595] 1965979 pages RAM [ 330.223600] 0 pages HighMem/MovableOnly [ 330.223605] 342867 pages reserved [ 330.223609] 0 pages cma reserved [ 330.223667] aoe: skb alloc failure [ 330.223708] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 330.223720] ksoftirqd/0 cpuset= [ 330.247029] 1*4kB [ 330.247705] / mems_allowed=0 [ 330.247729] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 330.247736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.247741] Call Trace: [ 330.247765] dump_stack+0x244/0x39d [ 330.247782] ? dump_stack_print_info.cold.1+0x20/0x20 [ 330.247809] warn_alloc.cold.117+0xb7/0x1bd [ 330.247864] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 330.306691] (U) [ 330.308269] ? lock_downgrade+0x900/0x900 [ 330.308303] ? trace_hardirqs_off+0xb8/0x310 [ 330.308328] ? trace_hardirqs_off+0xb8/0x310 [ 330.308360] __alloc_pages_slowpath+0x2660/0x2d70 [ 330.308400] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 330.354395] 0*8kB [ 330.374018] ? warn_alloc+0x120/0x120 [ 330.374037] ? warn_alloc+0x120/0x120 [ 330.374052] ? print_usage_bug+0xc0/0xc0 [ 330.374065] ? warn_alloc+0x120/0x120 [ 330.374078] ? print_usage_bug+0xc0/0xc0 [ 330.374100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.374114] ? should_fail+0x22d/0xd01 [ 330.374126] ? zap_class+0x640/0x640 [ 330.374143] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.374158] ? __lock_acquire+0x62f/0x4c20 [ 330.374174] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.374186] ? __lock_acquire+0x62f/0x4c20 [ 330.374197] ? should_fail+0x22d/0xd01 [ 330.374209] ? mark_held_locks+0x130/0x130 [ 330.374227] ? mark_held_locks+0x130/0x130 [ 330.374247] ? mark_held_locks+0x130/0x130 [ 330.403264] 0*16kB [ 330.407587] ? zap_class+0x640/0x640 [ 330.407604] ? zap_class+0x640/0x640 [ 330.407623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.407638] ? check_preemption_disabled+0x48/0x280 [ 330.407660] ? __lock_is_held+0xb5/0x140 [ 330.407682] __alloc_pages_nodemask+0xa80/0xde0 [ 330.407696] ? zap_class+0x640/0x640 [ 330.407714] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 330.407737] ? find_held_lock+0x36/0x1c0 [ 330.407761] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.432043] 1*32kB [ 330.437106] ? lock_downgrade+0x900/0x900 [ 330.465309] (U) [ 330.467520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.467542] cache_grow_begin+0xa5/0x8c0 [ 330.467556] ? do_raw_spin_unlock+0xa7/0x330 [ 330.467578] fallback_alloc+0x204/0x2e0 [ 330.467596] ____cache_alloc_node+0x1c7/0x1e0 [ 330.467614] kmem_cache_alloc_node+0xe3/0x730 [ 330.467630] ? lockdep_hardirqs_on+0x296/0x5b0 [ 330.467653] __alloc_skb+0x119/0x770 [ 330.467670] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 330.467688] ? netdev_alloc_frag+0x1f0/0x1f0 [ 330.492096] 2*64kB [ 330.492377] ? vprintk_default+0x28/0x30 [ 330.516769] (U) [ 330.517605] ? vprintk_func+0x85/0x181 [ 330.517619] ? printk+0xa7/0xcf [ 330.517631] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 330.517650] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 330.517669] new_skb+0x26/0x1c0 [ 330.517686] aoecmd_cfg+0x279/0x7f0 [ 330.517701] ? find_held_lock+0x36/0x1c0 [ 330.517720] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 330.526164] 1*128kB [ 330.531597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.531622] ? __lock_is_held+0xb5/0x140 [ 330.531647] discover_timer+0x50/0x60 [ 330.531664] call_timer_fn+0x272/0x920 [ 330.531679] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.531696] ? process_timeout+0x40/0x40 [ 330.531719] ? __run_timers+0x7da/0xc70 [ 330.531737] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.531756] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.555678] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 330.556026] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.558598] syz-executor1 cpuset= [ 330.562242] ? lockdep_hardirqs_on+0x296/0x5b0 [ 330.567412] syz1 [ 330.571734] ? trace_hardirqs_on+0xbd/0x310 [ 330.576559] mems_allowed=0 [ 330.578546] ? kasan_check_read+0x11/0x20 [ 330.890221] ? __run_timers+0x7da/0xc70 [ 330.894376] ? trace_hardirqs_off_caller+0x310/0x310 [ 330.899501] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 330.904369] __run_timers+0x7e5/0xc70 [ 330.908200] ? timer_fixup_init+0x70/0x70 [ 330.912358] ? compat_start_thread+0x80/0x80 [ 330.916777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.922344] ? _raw_spin_unlock_irq+0x60/0x80 [ 330.926856] ? finish_task_switch+0x1f4/0x910 [ 330.931359] ? finish_task_switch+0x1b4/0x910 [ 330.935875] ? __switch_to_asm+0x34/0x70 [ 330.939954] ? preempt_notifier_register+0x200/0x200 [ 330.945065] ? __switch_to_asm+0x34/0x70 [ 330.949134] ? __switch_to_asm+0x40/0x70 [ 330.953199] ? __switch_to_asm+0x34/0x70 [ 330.957272] ? __switch_to_asm+0x40/0x70 [ 330.961354] ? __switch_to_asm+0x34/0x70 [ 330.965433] ? __switch_to_asm+0x40/0x70 [ 330.969497] ? __switch_to_asm+0x40/0x70 [ 330.973576] ? pvclock_read_flags+0x160/0x160 [ 330.978096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.983640] ? check_preemption_disabled+0x48/0x280 [ 330.988669] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 330.994226] ? rcu_pm_notify+0xc0/0xc0 [ 330.998125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.003665] ? check_preemption_disabled+0x48/0x280 [ 331.008691] run_timer_softirq+0x52/0xb0 [ 331.012764] ? rcu_read_lock_sched_held+0x14f/0x180 [ 331.017790] __do_softirq+0x308/0xb7e [ 331.021604] ? retint_kernel+0x2d/0x2d [ 331.025496] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 331.030617] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 331.036081] ? schedule+0x108/0x460 [ 331.039719] ? __schedule+0x21d0/0x21d0 [ 331.043701] ? trace_hardirqs_off+0xb8/0x310 [ 331.048123] ? smpboot_thread_fn+0x68b/0xa00 [ 331.052539] ? trace_hardirqs_on+0x310/0x310 [ 331.056971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.062513] ? check_preemption_disabled+0x48/0x280 [ 331.067546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.073093] ? takeover_tasklets+0xa90/0xa90 [ 331.077525] run_ksoftirqd+0x5e/0x100 [ 331.081337] smpboot_thread_fn+0x68b/0xa00 [ 331.085591] ? sort_range+0x30/0x30 [ 331.089230] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 331.094355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.099902] ? __kthread_parkme+0xfb/0x1a0 [ 331.104175] kthread+0x35a/0x420 [ 331.107556] ? sort_range+0x30/0x30 [ 331.111188] ? kthread_stop+0x900/0x900 [ 331.115172] ret_from_fork+0x3a/0x50 [ 331.118913] CPU: 1 PID: 8505 Comm: syz-executor1 Not tainted 4.19.0+ #135 [ 331.118980] aoe: skb alloc failure [ 331.125881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.125892] Call Trace: [ 331.129514] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.138838] dump_stack+0x244/0x39d [ 331.141399] ksoftirqd/0 cpuset= [ 331.151721] ? dump_stack_print_info.cold.1+0x20/0x20 [ 331.155352] / [ 331.158651] warn_alloc.cold.117+0xb7/0x1bd [ 331.163810] mems_allowed=0 [ 331.165531] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.177610] ? lock_downgrade+0x900/0x900 [ 331.181781] ? trace_hardirqs_off+0xb8/0x310 [ 331.186207] ? trace_hardirqs_off+0xb8/0x310 [ 331.190642] __alloc_pages_slowpath+0x2660/0x2d70 [ 331.195531] ? warn_alloc+0x120/0x120 [ 331.199353] ? warn_alloc+0x120/0x120 [ 331.203180] ? print_usage_bug+0xc0/0xc0 [ 331.207254] ? warn_alloc+0x120/0x120 [ 331.211081] ? print_usage_bug+0xc0/0xc0 [ 331.215160] ? cpuacct_charge+0x265/0x440 [ 331.219329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.224879] ? should_fail+0x22d/0xd01 [ 331.228782] ? find_held_lock+0x36/0x1c0 [ 331.232862] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.237976] ? __lock_acquire+0x62f/0x4c20 [ 331.242226] ? __lock_acquire+0x62f/0x4c20 [ 331.246473] ? should_fail+0x22d/0xd01 [ 331.250394] ? mark_held_locks+0x130/0x130 [ 331.254641] ? mark_held_locks+0x130/0x130 [ 331.258884] ? __lock_acquire+0x62f/0x4c20 [ 331.263153] ? zap_class+0x640/0x640 [ 331.266885] ? __lock_is_held+0xb5/0x140 [ 331.270985] ? __account_cfs_rq_runtime+0x790/0x790 [ 331.276011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.281557] ? check_preemption_disabled+0x48/0x280 [ 331.286604] ? __lock_is_held+0xb5/0x140 [ 331.290683] __alloc_pages_nodemask+0xa80/0xde0 [ 331.295381] ? zap_class+0x640/0x640 [ 331.299114] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 331.304175] ? find_held_lock+0x36/0x1c0 [ 331.308262] ? ____cache_alloc_node+0x1c7/0x1e0 [ 331.312953] ? lock_downgrade+0x900/0x900 [ 331.317128] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 331.322692] cache_grow_begin+0xa5/0x8c0 [ 331.326763] ? do_raw_spin_unlock+0xa7/0x330 [ 331.331199] fallback_alloc+0x204/0x2e0 [ 331.335195] ____cache_alloc_node+0x1c7/0x1e0 [ 331.339717] kmem_cache_alloc+0x1f8/0x730 [ 331.343890] skb_clone+0x1bb/0x500 [ 331.347442] ? finish_task_switch+0x1b4/0x910 [ 331.351947] ? skb_split+0x11e0/0x11e0 [ 331.355860] ? preempt_notifier_register+0x200/0x200 [ 331.360990] ? __switch_to_asm+0x34/0x70 [ 331.365059] ? __switch_to_asm+0x34/0x70 [ 331.369130] ? __switch_to_asm+0x40/0x70 [ 331.373207] ? __switch_to_asm+0x34/0x70 [ 331.377302] ? __switch_to_asm+0x40/0x70 [ 331.381387] ? __switch_to_asm+0x34/0x70 [ 331.385457] ? __switch_to_asm+0x40/0x70 [ 331.389522] ? __switch_to_asm+0x34/0x70 [ 331.393596] ? __switch_to_asm+0x34/0x70 [ 331.397671] ? __switch_to_asm+0x40/0x70 [ 331.401742] ? __switch_to_asm+0x34/0x70 [ 331.405820] bpf_clone_redirect+0xb9/0x490 [ 331.410070] ? __schedule+0x8d7/0x21d0 [ 331.413976] bpf_prog_dc6f81d0b0097db7+0xf00/0x1000 [ 331.419059] ? __sched_text_start+0x8/0x8 [ 331.423219] ? retint_kernel+0x2d/0x2d [ 331.427122] ? find_held_lock+0x36/0x1c0 [ 331.431205] ? lock_acquire+0x1ed/0x520 [ 331.435193] ? bpf_test_run+0x3cb/0x780 [ 331.439184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.444738] ? check_preemption_disabled+0x48/0x280 [ 331.449778] ? kasan_check_read+0x11/0x20 [ 331.453944] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 331.459248] ? rcu_softirq_qs+0x20/0x20 [ 331.463238] ? preempt_schedule+0x4d/0x60 [ 331.467914] ? ___preempt_schedule+0x16/0x18 [ 331.472343] ? bpf_test_run+0x25d/0x780 [ 331.476340] ? netlink_diag_dump+0x2a0/0x2a0 [ 331.480764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.486349] ? bpf_test_init.isra.10+0x70/0x100 [ 331.491054] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 331.495845] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 331.500698] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 331.506256] ? fput+0x130/0x1a0 [ 331.509560] ? __bpf_prog_get+0x9b/0x290 [ 331.513630] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 331.518479] ? bpf_prog_test_run+0x130/0x1a0 [ 331.522913] ? __x64_sys_bpf+0x3d8/0x520 [ 331.526990] ? bpf_prog_get+0x20/0x20 [ 331.530819] ? do_syscall_64+0x1b9/0x820 [ 331.534894] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 331.540301] ? syscall_return_slowpath+0x5e0/0x5e0 [ 331.545251] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.550296] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 331.555335] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 331.562021] ? __switch_to_asm+0x40/0x70 [ 331.566092] ? __switch_to_asm+0x34/0x70 [ 331.570185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.575054] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.580447] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 331.586961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.587375] (U) [ 331.596351] Call Trace: [ 331.596378] dump_stack+0x244/0x39d [ 331.604556] ? dump_stack_print_info.cold.1+0x20/0x20 [ 331.609775] warn_alloc.cold.117+0xb7/0x1bd [ 331.613041] 1*256kB (U) [ 331.614123] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.614154] ? lock_downgrade+0x900/0x900 [ 331.616815] 0*512kB [ 331.621678] ? trace_hardirqs_off+0xb8/0x310 [ 331.621696] ? trace_hardirqs_off+0xb8/0x310 [ 331.621717] __alloc_pages_slowpath+0x2660/0x2d70 [ 331.621750] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 331.621781] ? warn_alloc+0x120/0x120 [ 331.621800] ? warn_alloc+0x120/0x120 [ 331.621827] ? print_usage_bug+0xc0/0xc0 [ 331.621841] ? warn_alloc+0x120/0x120 [ 331.621859] ? print_usage_bug+0xc0/0xc0 [ 331.645801] 1*1024kB [ 331.647760] ? mark_held_locks+0x130/0x130 [ 331.647778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.647791] ? should_fail+0x22d/0xd01 [ 331.647802] ? zap_class+0x640/0x640 [ 331.647816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.647829] ? __lock_acquire+0x62f/0x4c20 [ 331.647846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.647859] ? __lock_acquire+0x62f/0x4c20 [ 331.647870] ? should_fail+0x22d/0xd01 [ 331.647892] ? mark_held_locks+0x130/0x130 [ 331.666572] (U) [ 331.667412] ? mark_held_locks+0x130/0x130 [ 331.667425] ? lock_downgrade+0x900/0x900 [ 331.667438] ? zap_class+0x640/0x640 [ 331.667454] ? zap_class+0x640/0x640 [ 331.667465] ? do_raw_spin_unlock+0xa7/0x330 [ 331.667481] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 331.667498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.667519] ? check_preemption_disabled+0x48/0x280 [ 331.669969] 1*2048kB [ 331.674168] ? __lock_is_held+0xb5/0x140 [ 331.704537] (M) [ 331.705919] __alloc_pages_nodemask+0xa80/0xde0 [ 331.735213] 3*4096kB [ 331.736202] ? zap_class+0x640/0x640 [ 331.746122] (M) [ 331.746503] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 331.776444] = 15908kB [ 331.777661] ? find_held_lock+0x36/0x1c0 [ 331.777685] ? ____cache_alloc_node+0x1c7/0x1e0 [ 331.777699] ? lock_downgrade+0x900/0x900 [ 331.777719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.777739] cache_grow_begin+0xa5/0x8c0 [ 331.777753] ? do_raw_spin_unlock+0xa7/0x330 [ 331.777775] fallback_alloc+0x204/0x2e0 [ 331.777794] ____cache_alloc_node+0x1c7/0x1e0 [ 331.794760] Node 0 [ 331.798629] kmem_cache_alloc_node+0xe3/0x730 [ 331.798645] ? lockdep_hardirqs_on+0x296/0x5b0 [ 331.798667] __alloc_skb+0x119/0x770 [ 331.798682] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 331.798698] ? netdev_alloc_frag+0x1f0/0x1f0 [ 331.798719] ? vprintk_default+0x28/0x30 [ 331.798732] ? vprintk_func+0x85/0x181 [ 331.798748] ? printk+0xa7/0xcf [ 331.802814] DMA32: [ 331.807218] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 331.807237] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.807256] new_skb+0x26/0x1c0 [ 331.807270] aoecmd_cfg+0x279/0x7f0 [ 331.807294] ? find_held_lock+0x36/0x1c0 [ 331.807313] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 331.807340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.807364] ? __lock_is_held+0xb5/0x140 [ 331.836161] 5*4kB [ 331.840569] discover_timer+0x50/0x60 [ 331.840588] call_timer_fn+0x272/0x920 [ 331.840602] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 331.840617] ? process_timeout+0x40/0x40 [ 331.840641] ? __run_timers+0x7da/0xc70 [ 331.840659] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.840673] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.840685] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 331.840698] ? lockdep_hardirqs_on+0x296/0x5b0 [ 331.840717] ? trace_hardirqs_on+0xbd/0x310 [ 331.862910] (M) [ 331.864033] ? kasan_check_read+0x11/0x20 [ 331.864053] ? __run_timers+0x7da/0xc70 [ 331.884588] 1*8kB [ 331.884869] ? trace_hardirqs_off_caller+0x310/0x310 [ 331.894016] (U) [ 331.894870] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 331.923783] 4*16kB [ 331.925404] __run_timers+0x7e5/0xc70 [ 331.952118] (M) [ 331.953597] ? timer_fixup_init+0x70/0x70 [ 331.970562] ? compat_start_thread+0x80/0x80 [ 331.975018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.975916] 2*32kB [ 331.980571] ? _raw_spin_unlock_irq+0x60/0x80 [ 331.980588] ? finish_task_switch+0x1f4/0x910 [ 331.980600] ? finish_task_switch+0x1b4/0x910 [ 331.980613] ? __switch_to_asm+0x34/0x70 [ 331.980628] ? preempt_notifier_register+0x200/0x200 [ 331.980641] ? __switch_to_asm+0x34/0x70 [ 331.980654] ? __switch_to_asm+0x40/0x70 [ 331.980666] ? __switch_to_asm+0x34/0x70 [ 331.980679] ? __switch_to_asm+0x40/0x70 [ 331.980691] ? __switch_to_asm+0x34/0x70 [ 331.980708] ? __switch_to_asm+0x40/0x70 [ 332.002616] (M) [ 332.005582] ? __switch_to_asm+0x40/0x70 [ 332.025201] 4*64kB [ 332.025839] ? pvclock_read_flags+0x160/0x160 [ 332.034885] (UM) [ 332.035910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.050222] ? check_preemption_disabled+0x48/0x280 [ 332.055260] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 332.060868] ? rcu_pm_notify+0xc0/0xc0 [ 332.062741] 3*128kB [ 332.064767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.064770] (M) 4*256kB [ 332.067116] ? check_preemption_disabled+0x48/0x280 [ 332.080357] run_timer_softirq+0x52/0xb0 [ 332.084436] ? rcu_read_lock_sched_held+0x14f/0x180 [ 332.089480] __do_softirq+0x308/0xb7e [ 332.092442] (UM) 3*512kB [ 332.093339] ? retint_kernel+0x2d/0x2d [ 332.093358] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 332.096107] (M) [ 332.100012] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.100032] ? schedule+0x108/0x460 [ 332.100052] ? __schedule+0x21d0/0x21d0 [ 332.100068] ? trace_hardirqs_off+0xb8/0x310 [ 332.100083] ? smpboot_thread_fn+0x68b/0xa00 [ 332.100095] ? trace_hardirqs_on+0x310/0x310 [ 332.100111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.100126] ? check_preemption_disabled+0x48/0x280 [ 332.100139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.100153] ? takeover_tasklets+0xa90/0xa90 [ 332.100169] run_ksoftirqd+0x5e/0x100 [ 332.100182] smpboot_thread_fn+0x68b/0xa00 [ 332.100197] ? sort_range+0x30/0x30 [ 332.100216] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 332.121707] 3*1024kB [ 332.124763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.147321] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 332.149652] ? __kthread_parkme+0xfb/0x1a0 [ 332.154050] syz-fuzzer cpuset= [ 332.157866] kthread+0x35a/0x420 [ 332.162078] / [ 332.165723] ? sort_range+0x30/0x30 [ 332.170801] mems_allowed=0 [ 332.208007] ? kthread_stop+0x900/0x900 [ 332.212000] ret_from_fork+0x3a/0x50 [ 332.215738] warn_alloc_show_mem: 2 callbacks suppressed [ 332.215750] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 332.215752] Mem-Info: [ 332.215783] active_anon:51691 inactive_anon:132 isolated_anon:0 [ 332.215783] active_file:13 inactive_file:12 isolated_file:0 [ 332.215783] unevictable:0 dirty:0 writeback:0 unstable:0 [ 332.215783] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 332.215783] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 332.215783] free:13679 free_pcp:375 free_cma:0 [ 332.221140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.227822] Node 0 active_anon:206764kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 332.230229] Call Trace: [ 332.263142] Node 0 [ 332.272508] [ 332.300036] 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 [ 332.302610] dump_stack+0x244/0x39d [ 332.304815] lowmem_reserve[]: 0 [ 332.306993] ? dump_stack_print_info.cold.1+0x20/0x20 [ 332.332497] 2818 6321 [ 332.336159] warn_alloc.cold.117+0xb7/0x1bd [ 332.339406] 6321 [ 332.344643] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.347118] Node 0 [ 332.351461] ? lock_downgrade+0x900/0x900 [ 332.353527] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 332.358683] ? trace_hardirqs_off+0xb8/0x310 [ 332.360894] lowmem_reserve[]: 0 [ 332.365065] ? trace_hardirqs_off+0xb8/0x310 [ 332.392019] 0 3503 [ 332.396460] __alloc_pages_slowpath+0x2660/0x2d70 [ 332.399716] 3503 [ 332.404418] ? warn_alloc+0x120/0x120 [ 332.411446] ? warn_alloc+0x120/0x120 [ 332.413484] Node 0 [ 332.417309] ? print_usage_bug+0xc0/0xc0 [ 332.421115] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206704kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1252kB local_pcp:248kB free_cma:0kB [ 332.423330] ? warn_alloc+0x120/0x120 [ 332.427363] lowmem_reserve[]: 0 [ 332.455776] ? print_usage_bug+0xc0/0xc0 [ 332.459555] 0 [ 332.462840] ? idle_cpu+0x1d0/0x1d0 [ 332.466871] 0 0 [ 332.468692] ? kvm_sched_clock_read+0x9/0x20 [ 332.472299] Node 0 [ 332.474277] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 332.478672] DMA: [ 332.480925] ? find_next_bit+0x104/0x130 [ 332.485930] 1*4kB [ 332.488003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.492051] (U) [ 332.494204] ? should_fail+0x22d/0xd01 [ 332.499714] 0*8kB 0*16kB [ 332.501705] ? __lock_is_held+0xb5/0x140 [ 332.505570] 1*32kB (U) [ 332.508358] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.512391] 2*64kB (U) [ 332.514986] ? __lock_acquire+0x62f/0x4c20 [ 332.520079] 1*128kB (U) [ 332.522699] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.526913] 1*256kB [ 332.529586] ? __lock_acquire+0x62f/0x4c20 [ 332.534664] (U) [ 332.536992] ? should_fail+0x22d/0xd01 [ 332.541208] 0*512kB 1*1024kB [ 332.543207] ? mark_held_locks+0x130/0x130 [ 332.547059] (U) [ 332.550184] ? mark_held_locks+0x130/0x130 [ 332.554392] 1*2048kB (M) [ 332.556384] ? account_entity_enqueue+0x3a3/0x660 [ 332.560610] 3*4096kB [ 332.563372] ? zap_class+0x640/0x640 [ 332.568182] (M) [ 332.570593] ? print_usage_bug+0xc0/0xc0 [ 332.574281] = 15908kB [ 332.574299] Node 0 [ 332.576299] ? rcu_softirq_qs+0x20/0x20 [ 332.580337] DMA32: 5*4kB [ 332.582761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.584972] (M) [ 332.588950] ? check_preemption_disabled+0x48/0x280 [ 332.591694] 1*8kB [ 332.597260] ? __lock_is_held+0xb5/0x140 [ 332.599211] (U) [ 332.604242] __alloc_pages_nodemask+0xa80/0xde0 [ 332.606377] 4*16kB [ 332.610447] ? zap_class+0x640/0x640 [ 332.612408] (M) [ 332.617085] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 332.619317] 2*32kB [ 332.623040] ? find_held_lock+0x36/0x1c0 [ 332.624994] (M) [ 332.630027] ? ____cache_alloc_node+0x1c7/0x1e0 [ 332.632241] 4*64kB [ 332.636310] ? lock_downgrade+0x900/0x900 [ 332.638260] (UM) [ 332.642941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.645152] 3*128kB [ 332.649332] cache_grow_begin+0xa5/0x8c0 [ 332.651380] (M) [ 332.656920] ? do_raw_spin_unlock+0xa7/0x330 [ 332.659219] 4*256kB [ 332.663299] fallback_alloc+0x204/0x2e0 [ 332.665253] (UM) [ 332.669671] ____cache_alloc_node+0x1c7/0x1e0 [ 332.671963] 3*512kB (M) [ 332.675961] kmem_cache_alloc_node+0xe3/0x730 [ 332.677999] 3*1024kB [ 332.682505] ? ipv6_get_ifaddr+0x42e/0x620 [ 332.685156] (UM) [ 332.689661] __alloc_skb+0x119/0x770 [ 332.692042] 3*2048kB [ 332.696277] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 332.698338] (UM) [ 332.702070] ? netdev_alloc_frag+0x1f0/0x1f0 [ 332.704455] 3*4096kB (M) [ 332.709742] ? lock_downgrade+0x900/0x900 [ 332.711784] = 24860kB [ 332.716198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.718938] Node 0 [ 332.723096] ? refcount_sub_and_test_checked+0x203/0x310 [ 332.725485] Normal: [ 332.731026] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 332.733240] 767*4kB [ 332.738700] ? addrconf_rs_timer+0x690/0x690 [ 332.741003] (UME) [ 332.746475] ndisc_alloc_skb+0x144/0x340 [ 332.748771] 454*8kB [ 332.753187] ndisc_send_rs+0x331/0x6e0 [ 332.755319] (ME) 185*16kB [ 332.759404] addrconf_rs_timer+0x314/0x690 [ 332.761708] (UME) [ 332.765599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.768413] 80*32kB (UME) [ 332.772691] call_timer_fn+0x272/0x920 [ 332.774804] 22*64kB (M) [ 332.779060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.781882] 1*128kB [ 332.785787] ? process_timeout+0x40/0x40 [ 332.788431] (U) [ 332.792695] ? mark_held_locks+0xc7/0x130 [ 332.795016] 1*256kB [ 332.799083] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.801035] (U) [ 332.805201] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.807503] 0*512kB [ 332.812016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.813973] 0*1024kB [ 332.818468] ? lockdep_hardirqs_on+0x296/0x5b0 [ 332.820767] 0*2048kB [ 332.825001] ? trace_hardirqs_on+0xbd/0x310 [ 332.827398] 0*4096kB [ 332.831991] ? kasan_check_read+0x11/0x20 [ 332.834378] = 14012kB [ 332.834393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 332.838711] ? __run_timers+0x7da/0xc70 [ 332.841101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 332.845261] ? trace_hardirqs_off_caller+0x310/0x310 [ 332.847655] 163 total pagecache pages [ 332.856505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.860455] 0 pages in swap cache [ 332.869041] __run_timers+0x7e5/0xc70 [ 332.874124] Swap cache stats: add 0, delete 0, find 0/0 [ 332.877938] ? timer_fixup_init+0x70/0x70 [ 332.882149] Free swap = 0kB [ 332.885613] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 332.889402] Total swap = 0kB [ 332.889410] 1965979 pages RAM [ 332.894791] ? zap_class+0x640/0x640 [ 332.898925] 0 pages HighMem/MovableOnly [ 332.898935] 342867 pages reserved [ 332.901969] ? print_usage_bug+0xc0/0xc0 [ 332.906963] 0 pages cma reserved [ 332.909987] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 332.913158] aoe: skb alloc failure [ 332.916785] ? find_held_lock+0x36/0x1c0 [ 332.920830] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 332.924205] ? zap_class+0x640/0x640 [ 332.928248] ksoftirqd/0 cpuset= [ 332.931622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.936783] / [ 332.940339] ? check_preemption_disabled+0x48/0x280 [ 332.944388] mems_allowed=0 [ 332.954711] ? __lock_is_held+0xb5/0x140 [ 332.980961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.986516] ? check_preemption_disabled+0x48/0x280 [ 332.991550] run_timer_softirq+0x52/0xb0 [ 332.995638] ? rcu_read_lock_sched_held+0x14f/0x180 [ 333.000693] __do_softirq+0x308/0xb7e [ 333.004508] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 333.009012] ? lock_downgrade+0x900/0x900 [ 333.013196] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 333.018345] ? pvclock_read_flags+0x160/0x160 [ 333.022954] ? lapic_next_event+0x5a/0x90 [ 333.027122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.032688] ? kvm_clock_read+0x18/0x30 [ 333.036695] ? kvm_sched_clock_read+0x9/0x20 [ 333.041117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.046674] ? check_preemption_disabled+0x48/0x280 [ 333.051716] irq_exit+0x17f/0x1c0 [ 333.055194] smp_apic_timer_interrupt+0x1cb/0x760 [ 333.060053] ? smp_reschedule_interrupt+0x109/0x650 [ 333.065089] ? smp_call_function_single_interrupt+0x650/0x650 [ 333.070993] ? interrupt_entry+0xb5/0xc0 [ 333.075072] ? trace_hardirqs_off_caller+0xbb/0x310 [ 333.080102] ? trace_hardirqs_off_caller+0xbb/0x310 [ 333.085153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.090011] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.095046] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.100079] ? task_prio+0x50/0x50 [ 333.103633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.109180] ? check_preemption_disabled+0x48/0x280 [ 333.114241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.119113] apic_timer_interrupt+0xf/0x20 [ 333.123354] [ 333.125601] RIP: 0010:write_comp_data+0x4/0x70 [ 333.130189] Code: 00 e9 a6 fc ff ff 4c 89 f7 e8 58 d9 42 00 e9 6f fc ff ff e8 ee a5 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 <65> 4c 8b 04 25 40 ee 01 00 65 8b 05 5c cc 83 7e a9 00 01 1f 00 75 [ 333.149103] RSP: 0000:ffff8801ba69e030 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 333.156841] RAX: 0000000000000001 RBX: ffff8801d538ce40 RCX: ffffffff81ae65f8 [ 333.164124] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005 [ 333.171410] RBP: ffff8801ba69e030 R08: ffff8801d7958300 R09: ffffed003b5e5b57 [ 333.178714] R10: ffffed003b5e5b57 R11: ffff8801daf2dabb R12: 1ffff100374d3c0b [ 333.186009] R13: ffff8801d8ace580 R14: 0000000000000001 R15: ffffffffffffffff [ 333.193339] ? list_lru_count_one+0x1a8/0x450 [ 333.197872] __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.203250] list_lru_count_one+0x1a8/0x450 [ 333.207590] ? list_lru_isolate_move+0x3c0/0x3c0 [ 333.212357] ? shmem_free_inode+0xd0/0xd0 [ 333.216545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.222098] ? ubifs_shrink_count+0xc4/0x100 [ 333.226526] super_cache_count+0x153/0x2e0 [ 333.230776] do_shrink_slab+0x1a7/0xd20 [ 333.234777] ? shrink_slab+0x207/0x8c0 [ 333.238681] ? snapshot_refaults+0x290/0x290 [ 333.243097] ? lock_release+0xa00/0xa00 [ 333.247084] ? perf_trace_sched_process_exec+0x860/0x860 [ 333.252568] ? down_read_trylock+0xda/0x140 [ 333.256909] ? shrink_slab+0x207/0x8c0 [ 333.260810] ? downgrade_write+0x270/0x270 [ 333.265072] shrink_slab+0x389/0x8c0 [ 333.268790] ? shrink_active_list+0x1c20/0x1c20 [ 333.273481] ? mark_held_locks+0xc7/0x130 [ 333.277663] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 333.283324] ? trace_hardirqs_on+0xbd/0x310 [ 333.287656] ? vmpressure+0x271/0x340 [ 333.291467] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.296596] ? cgroup_procs_write_finish+0xf0/0xf0 [ 333.301545] ? do_raw_spin_trylock+0x270/0x270 [ 333.306151] shrink_node+0x431/0x16b0 [ 333.309961] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 333.315301] ? shrink_node_memcg+0x18f0/0x18f0 [ 333.319902] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 333.324498] ? trace_hardirqs_on+0xbd/0x310 [ 333.328832] ? vmpressure+0x271/0x340 [ 333.332668] ? do_raw_spin_unlock+0xa7/0x330 [ 333.337091] ? do_raw_spin_trylock+0x270/0x270 [ 333.341701] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 333.347245] ? __cpuset_node_allowed+0x19b/0x660 [ 333.352038] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 333.357771] ? vmpressure+0x1a2/0x340 [ 333.361596] do_try_to_free_pages+0x3e7/0x1290 [ 333.366214] ? shrink_node+0x16b0/0x16b0 [ 333.370304] ? __lock_is_held+0xb5/0x140 [ 333.374403] try_to_free_pages+0x4d0/0xb90 [ 333.378679] ? do_try_to_free_pages+0x1290/0x1290 [ 333.383532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.389092] ? lock_acquire+0x1ed/0x520 [ 333.393089] ? set_page_refcounted+0x280/0x280 [ 333.397693] ? lock_release+0xa00/0xa00 [ 333.401683] ? perf_trace_sched_process_exec+0x860/0x860 [ 333.407155] __alloc_pages_slowpath+0x9c4/0x2d70 [ 333.411973] ? warn_alloc+0x120/0x120 [ 333.415794] ? rcu_softirq_qs+0x20/0x20 [ 333.419829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.425380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.430939] ? should_fail+0x22d/0xd01 [ 333.434853] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.439973] ? zap_class+0x640/0x640 [ 333.443721] ? __lock_is_held+0xb5/0x140 [ 333.447798] ? mark_held_locks+0x130/0x130 [ 333.452051] ? lock_release+0xa00/0xa00 [ 333.456067] ? perf_trace_sched_process_exec+0x860/0x860 [ 333.461547] ? __might_sleep+0x95/0x190 [ 333.465991] __alloc_pages_nodemask+0xa80/0xde0 [ 333.470680] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 333.475721] ? __page_cache_alloc+0x191/0x5c0 [ 333.480236] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 333.485174] ? kasan_check_read+0x11/0x20 [ 333.489333] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.494633] ? zap_class+0x640/0x640 [ 333.498371] ? zap_class+0x640/0x640 [ 333.502095] ? zap_class+0x640/0x640 [ 333.505816] ? __do_page_cache_readahead+0x7ce/0x980 [ 333.510944] ? find_held_lock+0x36/0x1c0 [ 333.515031] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 333.520623] alloc_pages_current+0x173/0x350 [ 333.525051] __page_cache_alloc+0x38c/0x5c0 [ 333.529387] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 333.534339] ? kasan_check_read+0x11/0x20 [ 333.538507] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.543798] ? generic_perform_write+0x6a0/0x6a0 [ 333.548566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.554126] ? check_preemption_disabled+0x48/0x280 [ 333.559172] filemap_fault+0x1594/0x25f0 [ 333.563256] ? __lock_page_or_retry+0xa00/0xa00 [ 333.567955] ? mark_held_locks+0x130/0x130 [ 333.572225] ? rcu_softirq_qs+0x20/0x20 [ 333.576213] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.581326] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 333.585919] ? trace_hardirqs_on+0xbd/0x310 [ 333.590264] ? filemap_map_pages+0xe04/0x1990 [ 333.594793] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 333.599922] ? __free_object+0x173/0x340 [ 333.604003] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 333.608952] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.614081] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 333.618777] ? debug_object_free+0x32d/0x690 [ 333.623195] ? kasan_check_read+0x11/0x20 [ 333.627354] ? debug_object_destroy+0x2b0/0x2b0 [ 333.632045] ? lock_pi_update_atomic+0x150/0x150 [ 333.636819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.642368] ? __hrtimer_init+0xdb/0x240 [ 333.646449] ? lock_acquire+0x1ed/0x520 [ 333.650436] ? ext4_filemap_fault+0x7a/0xad [ 333.654791] ? lock_release+0xa00/0xa00 [ 333.658778] ? perf_trace_sched_process_exec+0x860/0x860 [ 333.664236] ? print_usage_bug+0xc0/0xc0 [ 333.668319] ? print_usage_bug+0xc0/0xc0 [ 333.672410] ? down_read+0x8d/0x120 [ 333.676043] ? ext4_filemap_fault+0x7a/0xad [ 333.680374] ? __down_interruptible+0x700/0x700 [ 333.685062] ext4_filemap_fault+0x82/0xad [ 333.689231] __do_fault+0x100/0x6b0 [ 333.692875] ? pmd_devmap_trans_unstable+0x220/0x220 [ 333.697987] ? mark_held_locks+0x130/0x130 [ 333.702229] ? mark_held_locks+0x130/0x130 [ 333.706478] ? debug_smp_processor_id+0x1c/0x20 [ 333.711160] ? perf_trace_lock+0x14d/0x7a0 [ 333.715409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.720960] __handle_mm_fault+0x307c/0x5920 [ 333.725383] ? perf_trace_lock+0x7a0/0x7a0 [ 333.729643] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 333.734497] ? lock_is_held_type+0x210/0x210 [ 333.738921] ? ksys_dup3+0x680/0x680 [ 333.742654] ? zap_class+0x640/0x640 [ 333.746387] ? zap_class+0x640/0x640 [ 333.750106] ? __x64_sys_futex+0x53e/0x6a0 [ 333.754352] ? find_held_lock+0x36/0x1c0 [ 333.758430] ? handle_mm_fault+0x42a/0xc70 [ 333.762677] ? lock_downgrade+0x900/0x900 [ 333.766839] ? check_preemption_disabled+0x48/0x280 [ 333.771878] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 333.776815] ? kasan_check_read+0x11/0x20 [ 333.781003] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 333.786307] ? rcu_softirq_qs+0x20/0x20 [ 333.790312] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.795427] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.800976] ? check_preemption_disabled+0x48/0x280 [ 333.806030] handle_mm_fault+0x54f/0xc70 [ 333.810102] ? __handle_mm_fault+0x5920/0x5920 [ 333.814693] ? find_vma+0x34/0x190 [ 333.818248] __do_page_fault+0x5e8/0xe60 [ 333.822330] ? trace_hardirqs_off+0xb8/0x310 [ 333.826745] ? kernel_write+0x120/0x120 [ 333.830747] do_page_fault+0xf2/0x7e0 [ 333.834554] ? vmalloc_sync_all+0x30/0x30 [ 333.838732] ? error_entry+0x70/0xd0 [ 333.842456] ? trace_hardirqs_off_caller+0xbb/0x310 [ 333.847479] ? trace_hardirqs_on_caller+0xc0/0x310 [ 333.852415] ? syscall_return_slowpath+0x5e0/0x5e0 [ 333.857360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.862220] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.867245] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 333.872713] ? prepare_exit_to_usermode+0x291/0x3b0 [ 333.877748] ? page_fault+0x8/0x30 [ 333.881307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.886175] ? page_fault+0x8/0x30 [ 333.889725] page_fault+0x1e/0x30 [ 333.893193] RIP: 0033:0x45ddf3 [ 333.896405] Code: Bad RIP value. [ 333.899773] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 333.905143] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 333.912460] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 333.919744] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 333.927024] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 333.934318] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 333.941628] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 333.941702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 333.948146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.948152] Call Trace: [ 333.948178] dump_stack+0x244/0x39d [ 333.948194] ? dump_stack_print_info.cold.1+0x20/0x20 [ 333.948221] warn_alloc.cold.117+0xb7/0x1bd [ 333.971250] (UM) [ 333.975471] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 333.986696] ? lock_downgrade+0x900/0x900 [ 333.990869] ? trace_hardirqs_off+0xb8/0x310 [ 333.995301] ? trace_hardirqs_off+0xb8/0x310 [ 333.995315] 3*2048kB [ 333.999754] __alloc_pages_slowpath+0x2660/0x2d70 [ 333.999791] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 333.999808] ? warn_alloc+0x120/0x120 [ 333.999825] ? warn_alloc+0x120/0x120 [ 333.999841] ? print_usage_bug+0xc0/0xc0 [ 333.999855] ? warn_alloc+0x120/0x120 [ 333.999874] ? print_usage_bug+0xc0/0xc0 [ 334.022114] (UM) [ 334.024555] ? mark_held_locks+0x130/0x130 [ 334.038697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.044248] ? should_fail+0x22d/0xd01 [ 334.048163] ? zap_class+0x640/0x640 [ 334.051896] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.053175] 3*4096kB [ 334.057009] ? __lock_acquire+0x62f/0x4c20 [ 334.057020] (M) [ 334.059426] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.059438] ? __lock_acquire+0x62f/0x4c20 [ 334.059448] ? should_fail+0x22d/0xd01 [ 334.059469] ? mark_held_locks+0x130/0x130 [ 334.059486] ? mark_held_locks+0x130/0x130 [ 334.059497] ? lock_downgrade+0x900/0x900 [ 334.059518] ? zap_class+0x640/0x640 [ 334.059536] ? zap_class+0x640/0x640 [ 334.059547] ? do_raw_spin_unlock+0xa7/0x330 [ 334.059568] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 334.082028] = 24860kB [ 334.083249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.104891] Node 0 [ 334.108219] ? check_preemption_disabled+0x48/0x280 [ 334.108243] ? __lock_is_held+0xb5/0x140 [ 334.108263] __alloc_pages_nodemask+0xa80/0xde0 [ 334.108276] ? zap_class+0x640/0x640 [ 334.108306] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 334.108338] ? find_held_lock+0x36/0x1c0 [ 334.108362] ? ____cache_alloc_node+0x1c7/0x1e0 [ 334.108381] ? lock_downgrade+0x900/0x900 [ 334.115764] Normal: [ 334.116340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.142155] 767*4kB [ 334.145096] cache_grow_begin+0xa5/0x8c0 [ 334.165852] (UME) [ 334.168127] ? do_raw_spin_unlock+0xa7/0x330 [ 334.168150] fallback_alloc+0x204/0x2e0 [ 334.168168] ____cache_alloc_node+0x1c7/0x1e0 [ 334.168186] kmem_cache_alloc_node+0xe3/0x730 [ 334.168201] ? lockdep_hardirqs_on+0x296/0x5b0 [ 334.168224] __alloc_skb+0x119/0x770 [ 334.168241] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 334.168259] ? netdev_alloc_frag+0x1f0/0x1f0 [ 334.168279] ? vprintk_default+0x28/0x30 [ 334.175368] 454*8kB [ 334.178810] ? vprintk_func+0x85/0x181 [ 334.178824] ? printk+0xa7/0xcf [ 334.178836] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 334.178855] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 334.178876] new_skb+0x26/0x1c0 [ 334.178891] aoecmd_cfg+0x279/0x7f0 [ 334.178906] ? find_held_lock+0x36/0x1c0 [ 334.178924] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 334.178945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.178968] ? __lock_is_held+0xb5/0x140 [ 334.202036] (ME) [ 334.206032] discover_timer+0x50/0x60 [ 334.232303] 185*16kB [ 334.232720] call_timer_fn+0x272/0x920 [ 334.236334] (UME) 80*32kB [ 334.240419] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 334.240437] ? process_timeout+0x40/0x40 [ 334.240458] ? __run_timers+0x7da/0xc70 [ 334.240475] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.240487] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.240500] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 334.240516] ? lockdep_hardirqs_on+0x296/0x5b0 [ 334.240537] ? trace_hardirqs_on+0xbd/0x310 [ 334.261978] (UME) [ 334.262703] ? kasan_check_read+0x11/0x20 [ 334.266573] 22*64kB [ 334.269418] ? __run_timers+0x7da/0xc70 [ 334.269434] ? trace_hardirqs_off_caller+0x310/0x310 [ 334.269462] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 334.269475] __run_timers+0x7e5/0xc70 [ 334.269501] ? timer_fixup_init+0x70/0x70 [ 334.269516] ? compat_start_thread+0x80/0x80 [ 334.269534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.269562] ? _raw_spin_unlock_irq+0x60/0x80 [ 334.291893] (M) [ 334.296262] ? finish_task_switch+0x1f4/0x910 [ 334.325879] 1*128kB [ 334.327639] ? finish_task_switch+0x1b4/0x910 [ 334.327658] ? __switch_to_asm+0x34/0x70 [ 334.327675] ? preempt_notifier_register+0x200/0x200 [ 334.327688] ? __switch_to_asm+0x34/0x70 [ 334.327699] ? __switch_to_asm+0x40/0x70 [ 334.327711] ? __switch_to_asm+0x34/0x70 [ 334.327724] ? __switch_to_asm+0x40/0x70 [ 334.327737] ? __switch_to_asm+0x34/0x70 [ 334.327749] ? __switch_to_asm+0x40/0x70 [ 334.327763] ? __switch_to_asm+0x40/0x70 [ 334.327787] ? pvclock_read_flags+0x160/0x160 [ 334.327807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.346489] (U) [ 334.350173] ? check_preemption_disabled+0x48/0x280 [ 334.350197] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 334.350211] ? rcu_pm_notify+0xc0/0xc0 [ 334.350226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.350238] ? check_preemption_disabled+0x48/0x280 [ 334.350255] run_timer_softirq+0x52/0xb0 [ 334.350270] ? rcu_read_lock_sched_held+0x14f/0x180 [ 334.350296] __do_softirq+0x308/0xb7e [ 334.350316] ? retint_kernel+0x2d/0x2d [ 334.350346] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 334.350358] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 334.350375] ? schedule+0x108/0x460 [ 334.350392] ? __schedule+0x21d0/0x21d0 [ 334.372040] 1*256kB [ 334.373316] ? trace_hardirqs_off+0xb8/0x310 [ 334.392196] (U) [ 334.393577] ? smpboot_thread_fn+0x68b/0xa00 [ 334.412210] 0*512kB [ 334.413672] ? trace_hardirqs_on+0x310/0x310 [ 334.435002] 0*1024kB [ 334.438624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.438640] ? check_preemption_disabled+0x48/0x280 [ 334.438652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.438667] ? takeover_tasklets+0xa90/0xa90 [ 334.438681] run_ksoftirqd+0x5e/0x100 [ 334.438702] smpboot_thread_fn+0x68b/0xa00 [ 334.461918] 0*2048kB [ 334.465980] ? sort_range+0x30/0x30 [ 334.486048] 0*4096kB [ 334.486655] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 334.494023] = 14012kB [ 334.495780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.526195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 334.526726] ? __kthread_parkme+0xfb/0x1a0 [ 334.552072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 334.554626] kthread+0x35a/0x420 [ 334.570792] ? sort_range+0x30/0x30 [ 334.574443] ? kthread_stop+0x900/0x900 [ 334.576742] 163 total pagecache pages [ 334.578433] ret_from_fork+0x3a/0x50 [ 334.578460] warn_alloc_show_mem: 1 callbacks suppressed [ 334.578464] Mem-Info: [ 334.578495] active_anon:51691 inactive_anon:132 isolated_anon:0 [ 334.578495] active_file:13 inactive_file:12 isolated_file:0 [ 334.578495] unevictable:0 dirty:0 writeback:0 unstable:0 [ 334.578495] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 334.578495] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 334.578495] free:13679 free_pcp:375 free_cma:0 [ 334.578523] Node 0 active_anon:206764kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 334.578533] Node 0 [ 334.597328] 0 pages in swap cache [ 334.626729] 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 [ 334.626734] lowmem_reserve[]: 0 2818 6321 6321 [ 334.626756] Node 0 DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 334.626786] lowmem_reserve[]: 0 0 3503 3503 [ 334.626808] Node 0 Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206704kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1252kB local_pcp:248kB free_cma:0kB [ 334.626841] lowmem_reserve[]: 0 0 0 0 [ 334.626865] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB [ 334.670430] Swap cache stats: add 0, delete 0, find 0/0 [ 334.685612] (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 334.685654] Node 0 DMA32: 5*4kB (M) 1*8kB (U) 4*16kB (M) 2*32kB (M) 4*64kB (UM) 3*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24860kB [ 334.685761] Node 0 Normal: 767*4kB (UME) 454*8kB (ME) 185*16kB (UME) [ 334.715261] Free swap = 0kB [ 334.717976] 80*32kB (UME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14012kB [ 334.718041] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 334.718049] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 334.718054] 163 total pagecache pages [ 334.718070] 0 pages in swap cache [ 334.718078] Swap cache stats: add 0, delete 0, find 0/0 [ 334.718083] Free swap = 0kB [ 334.718088] Total swap = 0kB [ 334.718094] 1965979 pages RAM [ 334.718099] 0 pages HighMem/MovableOnly [ 334.718104] 342867 pages reserved [ 334.718108] 0 pages cma reserved [ 334.718183] aoe: skb alloc failure [ 334.741908] Total swap = 0kB [ 334.751544] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 334.751552] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 334.751578] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 334.751585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.751597] Call Trace: [ 334.770605] 1965979 pages RAM [ 334.775931] dump_stack+0x244/0x39d [ 334.816859] 0 pages HighMem/MovableOnly [ 334.819259] ? dump_stack_print_info.cold.1+0x20/0x20 [ 334.819298] warn_alloc.cold.117+0xb7/0x1bd [ 334.819313] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 334.819338] ? lock_downgrade+0x900/0x900 [ 334.819361] ? trace_hardirqs_off+0xb8/0x310 [ 334.819381] ? trace_hardirqs_off+0xb8/0x310 [ 334.852552] 342867 pages reserved [ 334.853707] __alloc_pages_slowpath+0x2660/0x2d70 [ 334.857141] 0 pages cma reserved [ 334.860550] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 334.860571] ? warn_alloc+0x120/0x120 [ 334.860589] ? warn_alloc+0x120/0x120 [ 334.860603] ? print_usage_bug+0xc0/0xc0 [ 334.860617] ? warn_alloc+0x120/0x120 [ 334.860633] ? print_usage_bug+0xc0/0xc0 [ 334.860654] ? mark_held_locks+0x130/0x130 [ 334.882025] Unreclaimable slab info: [ 334.882194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.905500] Name Used Total [ 334.907330] ? should_fail+0x22d/0xd01 [ 334.907344] ? zap_class+0x640/0x640 [ 334.907360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.907373] ? __lock_acquire+0x62f/0x4c20 [ 334.907389] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.907402] ? __lock_acquire+0x62f/0x4c20 [ 334.907413] ? should_fail+0x22d/0xd01 [ 334.907440] ? mark_held_locks+0x130/0x130 [ 334.916464] pid_2 1KB 20KB [ 334.916608] ? mark_held_locks+0x130/0x130 [ 334.942962] TIPC 10KB 14KB [ 334.946987] ? lock_downgrade+0x900/0x900 [ 334.973993] SCTPv6 14KB 18KB [ 334.975625] ? zap_class+0x640/0x640 [ 335.004514] DCCPv6 17KB 21KB [ 335.007350] ? zap_class+0x640/0x640 [ 335.007362] ? do_raw_spin_unlock+0xa7/0x330 [ 335.007379] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 335.007395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.007410] ? check_preemption_disabled+0x48/0x280 [ 335.007433] ? __lock_is_held+0xb5/0x140 [ 335.007455] __alloc_pages_nodemask+0xa80/0xde0 [ 335.007469] ? zap_class+0x640/0x640 [ 335.007488] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 335.007508] ? find_held_lock+0x36/0x1c0 [ 335.007532] ? ____cache_alloc_node+0x1c7/0x1e0 [ 335.026611] DCCP 16KB 20KB [ 335.029197] ? lock_downgrade+0x900/0x900 [ 335.029219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.029239] cache_grow_begin+0xa5/0x8c0 [ 335.029252] ? do_raw_spin_unlock+0xa7/0x330 [ 335.029270] fallback_alloc+0x204/0x2e0 [ 335.029302] ____cache_alloc_node+0x1c7/0x1e0 [ 335.029321] kmem_cache_alloc_node+0xe3/0x730 [ 335.029343] ? lockdep_hardirqs_on+0x296/0x5b0 [ 335.029366] __alloc_skb+0x119/0x770 [ 335.029383] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 335.029407] ? netdev_alloc_frag+0x1f0/0x1f0 [ 335.052038] bridge_fdb_cache 12KB 19KB [ 335.053902] ? vprintk_default+0x28/0x30 [ 335.072949] fib6_nodes 77KB 84KB [ 335.075810] ? vprintk_func+0x85/0x181 [ 335.103958] ip6_dst_cache 134KB 270KB [ 335.107852] ? printk+0xa7/0xcf [ 335.107865] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 335.107885] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 335.107904] new_skb+0x26/0x1c0 [ 335.107920] aoecmd_cfg+0x279/0x7f0 [ 335.107936] ? find_held_lock+0x36/0x1c0 [ 335.107953] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 335.107974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.107999] ? __lock_is_held+0xb5/0x140 [ 335.108024] discover_timer+0x50/0x60 [ 335.131891] RAWv6 68KB 71KB [ 335.136170] call_timer_fn+0x272/0x920 [ 335.155374] UDPv6 3KB 3KB [ 335.157393] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 335.157412] ? process_timeout+0x40/0x40 [ 335.157435] ? __run_timers+0x7da/0xc70 [ 335.157452] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.157466] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.157480] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 335.157506] ? lockdep_hardirqs_on+0x296/0x5b0 [ 335.157525] ? trace_hardirqs_on+0xbd/0x310 [ 335.181980] TCPv6 23KB 29KB [ 335.182087] ? kasan_check_read+0x11/0x20 [ 335.185975] nf_conntrack 1KB 11KB [ 335.191349] ? __run_timers+0x7da/0xc70 [ 335.191365] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.191393] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 335.191406] __run_timers+0x7e5/0xc70 [ 335.191431] ? timer_fixup_init+0x70/0x70 [ 335.191446] ? compat_start_thread+0x80/0x80 [ 335.191472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.191493] ? _raw_spin_unlock_irq+0x60/0x80 [ 335.191510] ? finish_task_switch+0x1f4/0x910 [ 335.191529] ? finish_task_switch+0x1b4/0x910 [ 335.210887] sd_ext_cdb 0KB 3KB [ 335.211536] ? __switch_to_asm+0x34/0x70 [ 335.215585] scsi_sense_cache 1056KB 1060KB [ 335.219902] ? preempt_notifier_register+0x200/0x200 [ 335.219917] ? __switch_to_asm+0x34/0x70 [ 335.219928] ? __switch_to_asm+0x40/0x70 [ 335.219940] ? __switch_to_asm+0x34/0x70 [ 335.219951] ? __switch_to_asm+0x40/0x70 [ 335.219962] ? __switch_to_asm+0x34/0x70 [ 335.219973] ? __switch_to_asm+0x40/0x70 [ 335.219987] ? __switch_to_asm+0x40/0x70 [ 335.220010] ? pvclock_read_flags+0x160/0x160 [ 335.242037] virtio_scsi_cmd 16KB 16KB [ 335.242635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.266136] sgpool-128 8KB 8KB [ 335.269864] ? check_preemption_disabled+0x48/0x280 [ 335.269888] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 335.269902] ? rcu_pm_notify+0xc0/0xc0 [ 335.269916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.269928] ? check_preemption_disabled+0x48/0x280 [ 335.269951] run_timer_softirq+0x52/0xb0 [ 335.269966] ? rcu_read_lock_sched_held+0x14f/0x180 [ 335.269980] __do_softirq+0x308/0xb7e [ 335.269997] ? retint_kernel+0x2d/0x2d [ 335.270020] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 335.292041] sgpool-64 4KB 6KB [ 335.293236] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.293259] ? schedule+0x108/0x460 [ 335.316096] sgpool-32 2KB 7KB [ 335.316318] ? __schedule+0x21d0/0x21d0 [ 335.325543] sgpool-16 1KB 3KB [ 335.330402] ? trace_hardirqs_off+0xb8/0x310 [ 335.330418] ? smpboot_thread_fn+0x68b/0xa00 [ 335.330432] ? trace_hardirqs_on+0x310/0x310 [ 335.330447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.330462] ? check_preemption_disabled+0x48/0x280 [ 335.330476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.330491] ? takeover_tasklets+0xa90/0xa90 [ 335.330506] run_ksoftirqd+0x5e/0x100 [ 335.330521] smpboot_thread_fn+0x68b/0xa00 [ 335.330537] ? sort_range+0x30/0x30 [ 335.330554] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 335.330568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.330587] ? __kthread_parkme+0xfb/0x1a0 [ 335.352258] sgpool-8 0KB 3KB [ 335.353476] kthread+0x35a/0x420 [ 335.376376] mqueue_inode_cache 10KB 14KB [ 335.380174] ? sort_range+0x30/0x30 [ 335.380189] ? kthread_stop+0x900/0x900 [ 335.380207] ret_from_fork+0x3a/0x50 [ 335.380278] aoe: skb alloc failure [ 335.402041] bio_post_read_ctx 14KB 15KB [ 335.402419] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 335.424805] bio-2 14KB 15KB [ 335.427671] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 335.427702] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 335.427710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.427715] Call Trace: [ 335.427737] dump_stack+0x244/0x39d [ 335.427754] ? dump_stack_print_info.cold.1+0x20/0x20 [ 335.427782] warn_alloc.cold.117+0xb7/0x1bd [ 335.427799] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 335.427824] ? lock_downgrade+0x900/0x900 [ 335.452294] jfs_mp 7KB 7KB [ 335.455143] ? trace_hardirqs_off+0xb8/0x310 [ 335.467104] nfs_commit_data 3KB 7KB [ 335.471444] ? trace_hardirqs_off+0xb8/0x310 [ 335.471468] __alloc_pages_slowpath+0x2660/0x2d70 [ 335.471504] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 335.471525] ? warn_alloc+0x120/0x120 [ 335.471544] ? warn_alloc+0x120/0x120 [ 335.471560] ? print_usage_bug+0xc0/0xc0 [ 335.471580] ? warn_alloc+0x120/0x120 [ 335.496099] nfs_write_data 34KB 37KB [ 335.498689] ? print_usage_bug+0xc0/0xc0 [ 335.498707] ? mark_held_locks+0x130/0x130 [ 335.498725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.498737] ? should_fail+0x22d/0xd01 [ 335.498748] ? zap_class+0x640/0x640 [ 335.498763] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.498777] ? __lock_acquire+0x62f/0x4c20 [ 335.498795] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.522097] ext4_system_zone 0KB 3KB [ 335.523682] ? __lock_acquire+0x62f/0x4c20 [ 335.542640] bio-1 1KB 3KB [ 335.545978] ? should_fail+0x22d/0xd01 [ 335.546007] ? mark_held_locks+0x130/0x130 [ 335.555452] pid_namespace 2KB 7KB [ 335.555605] ? mark_held_locks+0x130/0x130 [ 335.584090] rpc_buffers 17KB 19KB [ 335.584640] ? lock_downgrade+0x900/0x900 [ 335.614402] rpc_tasks 2KB 3KB [ 335.620836] ? zap_class+0x640/0x640 [ 335.620853] ? zap_class+0x640/0x640 [ 335.620864] ? do_raw_spin_unlock+0xa7/0x330 [ 335.620880] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 335.620896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.620910] ? check_preemption_disabled+0x48/0x280 [ 335.620932] ? __lock_is_held+0xb5/0x140 [ 335.620953] __alloc_pages_nodemask+0xa80/0xde0 [ 335.620966] ? zap_class+0x640/0x640 [ 335.620985] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 335.642638] UNIX 9KB 14KB [ 335.645682] ? find_held_lock+0x36/0x1c0 [ 335.667005] ip4-frags 241KB 243KB [ 335.670026] ? ____cache_alloc_node+0x1c7/0x1e0 [ 335.670044] ? lock_downgrade+0x900/0x900 [ 335.670065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.670083] cache_grow_begin+0xa5/0x8c0 [ 335.670097] ? do_raw_spin_unlock+0xa7/0x330 [ 335.670118] fallback_alloc+0x204/0x2e0 [ 335.670141] ____cache_alloc_node+0x1c7/0x1e0 [ 335.692124] tcp_bind_bucket 1KB 4KB [ 335.696773] kmem_cache_alloc_node+0xe3/0x730 [ 335.724440] inet_peer_cache 1KB 4KB [ 335.727544] ? lockdep_hardirqs_on+0x296/0x5b0 [ 335.727567] __alloc_skb+0x119/0x770 [ 335.727583] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 335.727599] ? netdev_alloc_frag+0x1f0/0x1f0 [ 335.727620] ? vprintk_default+0x28/0x30 [ 335.727634] ? vprintk_func+0x85/0x181 [ 335.727648] ? printk+0xa7/0xcf [ 335.727662] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 335.727682] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 335.727703] new_skb+0x26/0x1c0 [ 335.751990] ip_fib_trie 11KB 15KB [ 335.755912] aoecmd_cfg+0x279/0x7f0 [ 335.777671] ip_fib_alias 51KB 59KB [ 335.780410] ? find_held_lock+0x36/0x1c0 [ 335.784116] ip_dst_cache 2KB 28KB [ 335.787859] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 335.787880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.787903] ? __lock_is_held+0xb5/0x140 [ 335.787926] discover_timer+0x50/0x60 [ 335.787944] call_timer_fn+0x272/0x920 [ 335.787959] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 335.787975] ? process_timeout+0x40/0x40 [ 335.787998] ? __run_timers+0x7da/0xc70 [ 335.788014] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.788027] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.788045] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 335.811932] RAW 40KB 43KB [ 335.816487] ? lockdep_hardirqs_on+0x296/0x5b0 [ 335.835184] UDP 16KB 19KB [ 335.840012] ? trace_hardirqs_on+0xbd/0x310 [ 335.840028] ? kasan_check_read+0x11/0x20 [ 335.840044] ? __run_timers+0x7da/0xc70 [ 335.840057] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.840085] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 335.840103] __run_timers+0x7e5/0xc70 [ 335.862053] TCP 8KB 11KB [ 335.862921] ? timer_fixup_init+0x70/0x70 [ 335.866881] hugetlbfs_inode_cache 2KB 7KB [ 335.871374] ? compat_start_thread+0x80/0x80 [ 335.871394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.871413] ? _raw_spin_unlock_irq+0x60/0x80 [ 335.871431] ? finish_task_switch+0x1f4/0x910 [ 335.871443] ? finish_task_switch+0x1b4/0x910 [ 335.871455] ? __switch_to_asm+0x34/0x70 [ 335.871472] ? preempt_notifier_register+0x200/0x200 [ 335.871486] ? __switch_to_asm+0x34/0x70 [ 335.871499] ? __switch_to_asm+0x40/0x70 [ 335.871511] ? __switch_to_asm+0x34/0x70 [ 335.871524] ? __switch_to_asm+0x40/0x70 [ 335.871541] ? __switch_to_asm+0x34/0x70 [ 335.895292] fscache_cookie_jar 1KB 7KB [ 335.900395] ? __switch_to_asm+0x40/0x70 [ 335.900412] ? __switch_to_asm+0x40/0x70 [ 335.900434] ? pvclock_read_flags+0x160/0x160 [ 335.900450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.900465] ? check_preemption_disabled+0x48/0x280 [ 335.900490] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 335.900505] ? rcu_pm_notify+0xc0/0xc0 [ 335.900525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.921906] eventpoll_pwq 2KB 11KB [ 335.925994] ? check_preemption_disabled+0x48/0x280 [ 335.946854] eventpoll_epi 5KB 19KB [ 335.947689] run_timer_softirq+0x52/0xb0 [ 335.947706] ? rcu_read_lock_sched_held+0x14f/0x180 [ 335.947719] __do_softirq+0x308/0xb7e [ 335.947737] ? retint_kernel+0x2d/0x2d [ 335.947753] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 335.947767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.947787] ? schedule+0x108/0x460 [ 335.947803] ? __schedule+0x21d0/0x21d0 [ 335.947821] ? trace_hardirqs_off+0xb8/0x310 [ 335.947848] ? smpboot_thread_fn+0x68b/0xa00 [ 335.972009] inotify_inode_mark 5KB 23KB [ 335.974768] ? trace_hardirqs_on+0x310/0x310 [ 335.995492] request_queue 164KB 164KB [ 335.996602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.006462] blkdev_ioc 3KB 23KB [ 336.006797] ? check_preemption_disabled+0x48/0x280 [ 336.037169] bio-0 48KB 78KB [ 336.039066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.039082] ? takeover_tasklets+0xa90/0xa90 [ 336.039097] run_ksoftirqd+0x5e/0x100 [ 336.039111] smpboot_thread_fn+0x68b/0xa00 [ 336.039127] ? sort_range+0x30/0x30 [ 336.039143] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 336.039158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.039174] ? __kthread_parkme+0xfb/0x1a0 [ 336.039196] kthread+0x35a/0x420 [ 336.056995] biovec-max 1262KB 1262KB [ 336.058212] ? sort_range+0x30/0x30 [ 336.058226] ? kthread_stop+0x900/0x900 [ 336.058244] ret_from_fork+0x3a/0x50 [ 336.058269] warn_alloc_show_mem: 1 callbacks suppressed [ 336.058274] Mem-Info: [ 336.058320] active_anon:51691 inactive_anon:132 isolated_anon:0 [ 336.058320] active_file:13 inactive_file:12 isolated_file:0 [ 336.058320] unevictable:0 dirty:0 writeback:0 unstable:0 [ 336.058320] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 336.058320] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 336.058320] free:13679 free_pcp:375 free_cma:0 [ 336.058352] Node 0 active_anon:206764kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 336.063562] bio_integrity_payload 1KB 3KB [ 336.068276] 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 [ 336.068321] lowmem_reserve[]: 0 2818 6321 6321 [ 336.068350] Node 0 DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 336.068380] lowmem_reserve[]: 0 0 3503 3503 [ 336.068406] Node 0 Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206704kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1252kB local_pcp:248kB free_cma:0kB [ 336.068441] lowmem_reserve[]: 0 0 0 0 [ 336.068466] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB [ 336.092809] khugepaged_mm_slot 0KB 3KB [ 336.095163] (U) [ 336.124103] dmaengine-unmap-256 2KB 6KB [ 336.124934] 2*64kB [ 336.152140] dmaengine-unmap-128 1KB 3KB [ 336.154928] (U) [ 336.182882] dmaengine-unmap-16 0KB 4KB [ 336.183545] 1*128kB [ 336.206930] dmaengine-unmap-2 0KB 3KB [ 336.209953] (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 336.210001] Node 0 DMA32: 5*4kB (M) 1*8kB (U) 4*16kB (M) 2*32kB (M) 4*64kB (UM) 3*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB [ 336.231911] skbuff_fclone_cache 23KB 26KB [ 336.235255] (UM) 3*4096kB [ 336.263109] skbuff_head_cache 1819065KB 1819065KB [ 336.264742] (M) [ 336.294704] configfs_dir_cache 0KB 4KB [ 336.296154] = 24860kB [ 336.317369] file_lock_cache 0KB 3KB [ 336.348109] Node 0 Normal: 767*4kB (UME) 454*8kB (ME) 185*16kB (UME) 80*32kB (UME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14012kB [ 336.348209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 336.348220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 336.348226] 163 total pagecache pages [ 336.348241] 0 pages in swap cache [ 336.348249] Swap cache stats: add 0, delete 0, find 0/0 [ 336.348254] Free swap = 0kB [ 336.348259] Total swap = 0kB [ 336.348265] 1965979 pages RAM [ 336.348270] 0 pages HighMem/MovableOnly [ 336.348275] 342867 pages reserved [ 336.348280] 0 pages cma reserved [ 336.348353] aoe: skb alloc failure [ 336.393656] file_lock_ctx 0KB 3KB [ 336.408394] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 336.408402] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 336.408430] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 336.408438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.408444] Call Trace: [ 336.408468] dump_stack+0x244/0x39d [ 336.408487] ? dump_stack_print_info.cold.1+0x20/0x20 [ 336.408512] warn_alloc.cold.117+0xb7/0x1bd [ 336.432835] fsnotify_mark_connector 3KB 15KB [ 336.440711] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 336.440729] ? lock_downgrade+0x900/0x900 [ 336.440749] ? trace_hardirqs_off+0xb8/0x310 [ 336.440767] ? trace_hardirqs_off+0xb8/0x310 [ 336.440787] __alloc_pages_slowpath+0x2660/0x2d70 [ 336.440821] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 336.440839] ? warn_alloc+0x120/0x120 [ 336.440858] ? warn_alloc+0x120/0x120 [ 336.460736] net_namespace 51KB 51KB [ 336.474166] ? print_usage_bug+0xc0/0xc0 [ 336.474183] ? warn_alloc+0x120/0x120 [ 336.474196] ? print_usage_bug+0xc0/0xc0 [ 336.474212] ? mark_held_locks+0x130/0x130 [ 336.474229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.474242] ? should_fail+0x22d/0xd01 [ 336.474253] ? zap_class+0x640/0x640 [ 336.474267] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.474291] ? __lock_acquire+0x62f/0x4c20 [ 336.474309] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.474322] ? __lock_acquire+0x62f/0x4c20 [ 336.474339] ? should_fail+0x22d/0xd01 [ 336.474362] ? mark_held_locks+0x130/0x130 [ 336.474380] ? mark_held_locks+0x130/0x130 [ 336.474391] ? lock_downgrade+0x900/0x900 [ 336.474410] ? zap_class+0x640/0x640 [ 336.503402] shmem_inode_cache 3708KB 3809KB [ 336.504186] ? zap_class+0x640/0x640 [ 336.506150] task_delay_info 29KB 166KB [ 336.511595] ? do_raw_spin_unlock+0xa7/0x330 [ 336.511613] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 336.511628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.511642] ? check_preemption_disabled+0x48/0x280 [ 336.511664] ? __lock_is_held+0xb5/0x140 [ 336.511684] __alloc_pages_nodemask+0xa80/0xde0 [ 336.511698] ? zap_class+0x640/0x640 [ 336.511717] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 336.511742] ? find_held_lock+0x36/0x1c0 [ 336.511766] ? ____cache_alloc_node+0x1c7/0x1e0 [ 336.533945] taskstats 0KB 3KB [ 336.540091] ? lock_downgrade+0x900/0x900 [ 336.540113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.540134] cache_grow_begin+0xa5/0x8c0 [ 336.540146] ? do_raw_spin_unlock+0xa7/0x330 [ 336.540166] fallback_alloc+0x204/0x2e0 [ 336.540187] ____cache_alloc_node+0x1c7/0x1e0 [ 336.540207] kmem_cache_alloc_node+0xe3/0x730 [ 336.540226] ? lockdep_hardirqs_on+0x296/0x5b0 [ 336.562983] proc_dir_entry 579KB 588KB [ 336.563791] __alloc_skb+0x119/0x770 [ 336.592648] pde_opener 0KB 3KB [ 336.592729] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 336.626091] sigqueue 0KB 3KB [ 336.626981] ? netdev_alloc_frag+0x1f0/0x1f0 [ 336.655088] kernfs_node_cache 11124KB 11151KB [ 336.657680] ? vprintk_default+0x28/0x30 [ 336.657694] ? vprintk_func+0x85/0x181 [ 336.657707] ? printk+0xa7/0xcf [ 336.657720] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 336.657739] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 336.657760] new_skb+0x26/0x1c0 [ 336.657777] aoecmd_cfg+0x279/0x7f0 [ 336.657798] ? find_held_lock+0x36/0x1c0 [ 336.674163] mnt_cache 77KB 92KB [ 336.676259] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 336.699925] filp 245KB 570KB [ 336.700090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.704226] names_cache 280KB 280KB [ 336.708657] ? __lock_is_held+0xb5/0x140 [ 336.708684] discover_timer+0x50/0x60 [ 336.708702] call_timer_fn+0x272/0x920 [ 336.708716] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 336.708732] ? process_timeout+0x40/0x40 [ 336.708756] ? __run_timers+0x7da/0xc70 [ 336.708776] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.728549] iint_cache 74KB 79KB [ 336.731459] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.736855] key_jar 3KB 7KB [ 336.740934] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 336.740967] ? lockdep_hardirqs_on+0x296/0x5b0 [ 336.740982] ? trace_hardirqs_on+0xbd/0x310 [ 336.740996] ? kasan_check_read+0x11/0x20 [ 336.741011] ? __run_timers+0x7da/0xc70 [ 336.741035] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.741068] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 336.741086] __run_timers+0x7e5/0xc70 [ 336.762126] uts_namespace 2KB 7KB [ 336.762589] ? timer_fixup_init+0x70/0x70 [ 336.766305] nsproxy 1KB 3KB [ 336.771415] ? compat_start_thread+0x80/0x80 [ 336.771436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.771460] ? _raw_spin_unlock_irq+0x60/0x80 [ 336.771487] ? finish_task_switch+0x1f4/0x910 [ 336.771499] ? finish_task_switch+0x1b4/0x910 [ 336.771512] ? __switch_to_asm+0x34/0x70 [ 336.771529] ? preempt_notifier_register+0x200/0x200 [ 336.771544] ? __switch_to_asm+0x34/0x70 [ 336.771557] ? __switch_to_asm+0x40/0x70 [ 336.771569] ? __switch_to_asm+0x34/0x70 [ 336.771581] ? __switch_to_asm+0x40/0x70 [ 336.771594] ? __switch_to_asm+0x34/0x70 [ 336.771613] ? __switch_to_asm+0x40/0x70 [ 336.793403] vm_area_struct 320KB 699KB [ 336.797519] ? __switch_to_asm+0x40/0x70 [ 336.797542] ? pvclock_read_flags+0x160/0x160 [ 336.797559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.797573] ? check_preemption_disabled+0x48/0x280 [ 336.797597] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 336.797613] ? rcu_pm_notify+0xc0/0xc0 [ 336.797631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.822528] mm_struct 47KB 136KB [ 336.824305] ? check_preemption_disabled+0x48/0x280 [ 336.853655] fs_cache 7KB 48KB [ 336.857072] run_timer_softirq+0x52/0xb0 [ 336.886007] files_cache 28KB 75KB [ 336.889291] ? rcu_read_lock_sched_held+0x14f/0x180 [ 336.889309] __do_softirq+0x308/0xb7e [ 336.889336] ? retint_kernel+0x2d/0x2d [ 336.889352] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 336.889367] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 336.889387] ? schedule+0x108/0x460 [ 336.889402] ? __schedule+0x21d0/0x21d0 [ 336.889421] ? trace_hardirqs_off+0xb8/0x310 [ 336.889436] ? smpboot_thread_fn+0x68b/0xa00 [ 336.889454] ? trace_hardirqs_on+0x310/0x310 [ 336.906979] signal_cache 219KB 524KB [ 336.912348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.912363] ? check_preemption_disabled+0x48/0x280 [ 336.912375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.912388] ? takeover_tasklets+0xa90/0xa90 [ 336.912403] run_ksoftirqd+0x5e/0x100 [ 336.912420] smpboot_thread_fn+0x68b/0xa00 [ 336.912437] ? sort_range+0x30/0x30 [ 336.912458] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 336.932174] sighand_cache 353KB 457KB [ 336.932242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.936642] task_struct 1020KB 1020KB [ 336.942018] ? __kthread_parkme+0xfb/0x1a0 [ 336.942036] kthread+0x35a/0x420 [ 336.942051] ? sort_range+0x30/0x30 [ 336.942063] ? kthread_stop+0x900/0x900 [ 336.942080] ret_from_fork+0x3a/0x50 [ 336.942154] aoe: skb alloc failure [ 336.966950] cred_jar 46KB 348KB [ 336.970280] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 336.970299] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 336.970334] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 336.970342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.970348] Call Trace: [ 336.970373] dump_stack+0x244/0x39d [ 336.991978] anon_vma_chain 91KB 295KB [ 336.995034] ? dump_stack_print_info.cold.1+0x20/0x20 [ 337.022063] anon_vma 117KB 354KB [ 337.024980] warn_alloc.cold.117+0xb7/0x1bd [ 337.044567] pid 20KB 160KB [ 337.044682] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 337.054573] Acpi-Operand 106KB 158KB [ 337.058414] ? lock_downgrade+0x900/0x900 [ 337.058436] ? trace_hardirqs_off+0xb8/0x310 [ 337.058456] ? trace_hardirqs_off+0xb8/0x310 [ 337.058478] __alloc_pages_slowpath+0x2660/0x2d70 [ 337.058518] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 337.058539] ? warn_alloc+0x120/0x120 [ 337.058561] ? warn_alloc+0x120/0x120 [ 337.082166] Acpi-Namespace 19KB 23KB [ 337.085763] ? print_usage_bug+0xc0/0xc0 [ 337.106294] numa_policy 0KB 3KB [ 337.109683] ? warn_alloc+0x120/0x120 [ 337.109701] ? print_usage_bug+0xc0/0xc0 [ 337.109717] ? mark_held_locks+0x130/0x130 [ 337.109733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.109745] ? should_fail+0x22d/0xd01 [ 337.109756] ? zap_class+0x640/0x640 [ 337.109772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.109786] ? __lock_acquire+0x62f/0x4c20 [ 337.109803] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.109816] ? __lock_acquire+0x62f/0x4c20 [ 337.109826] ? should_fail+0x22d/0xd01 [ 337.109849] ? mark_held_locks+0x130/0x130 [ 337.109868] ? mark_held_locks+0x130/0x130 [ 337.109886] ? lock_downgrade+0x900/0x900 [ 337.134321] debug_objects_cache 832KB 834KB [ 337.136171] ? zap_class+0x640/0x640 [ 337.165299] trace_event_file 259KB 262KB [ 337.166350] ? zap_class+0x640/0x640 [ 337.196992] ftrace_event_field 374KB 378KB [ 337.197218] ? do_raw_spin_unlock+0xa7/0x330 [ 337.197237] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 337.197253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.197267] ? check_preemption_disabled+0x48/0x280 [ 337.197298] ? __lock_is_held+0xb5/0x140 [ 337.197320] __alloc_pages_nodemask+0xa80/0xde0 [ 337.197342] ? zap_class+0x640/0x640 [ 337.197364] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 337.212028] pool_workqueue 70KB 76KB [ 337.217179] ? find_held_lock+0x36/0x1c0 [ 337.238234] task_group 5KB 7KB [ 337.240402] ? ____cache_alloc_node+0x1c7/0x1e0 [ 337.244013] page->ptl 66KB 422KB [ 337.247984] ? lock_downgrade+0x900/0x900 [ 337.248005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.248023] cache_grow_begin+0xa5/0x8c0 [ 337.248036] ? do_raw_spin_unlock+0xa7/0x330 [ 337.248056] fallback_alloc+0x204/0x2e0 [ 337.248077] ____cache_alloc_node+0x1c7/0x1e0 [ 337.248097] kmem_cache_alloc_node+0xe3/0x730 [ 337.248112] ? lockdep_hardirqs_on+0x296/0x5b0 [ 337.248136] __alloc_skb+0x119/0x770 [ 337.248157] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 337.267313] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 337.272256] ? netdev_alloc_frag+0x1f0/0x1f0 [ 337.277258] init cpuset= [ 337.282812] ? vprintk_default+0x28/0x30 [ 337.287198] / [ 337.291003] ? vprintk_func+0x85/0x181 [ 337.295244] mems_allowed=0 [ 337.298865] ? printk+0xa7/0xcf [ 337.690520] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 337.695309] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 337.700445] new_skb+0x26/0x1c0 [ 337.703747] aoecmd_cfg+0x279/0x7f0 [ 337.707383] ? find_held_lock+0x36/0x1c0 [ 337.711452] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 337.715835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.721401] ? __lock_is_held+0xb5/0x140 [ 337.725483] discover_timer+0x50/0x60 [ 337.729299] call_timer_fn+0x272/0x920 [ 337.733211] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 337.738072] ? process_timeout+0x40/0x40 [ 337.742152] ? __run_timers+0x7da/0xc70 [ 337.746136] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.750644] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.755152] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 337.760005] ? lockdep_hardirqs_on+0x296/0x5b0 [ 337.764592] ? trace_hardirqs_on+0xbd/0x310 [ 337.768929] ? kasan_check_read+0x11/0x20 [ 337.773088] ? __run_timers+0x7da/0xc70 [ 337.777084] ? trace_hardirqs_off_caller+0x310/0x310 [ 337.782208] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 337.787085] __run_timers+0x7e5/0xc70 [ 337.790917] ? timer_fixup_init+0x70/0x70 [ 337.795072] ? compat_start_thread+0x80/0x80 [ 337.799487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.805040] ? _raw_spin_unlock_irq+0x60/0x80 [ 337.809550] ? finish_task_switch+0x1f4/0x910 [ 337.814048] ? finish_task_switch+0x1b4/0x910 [ 337.818579] ? __switch_to_asm+0x34/0x70 [ 337.822654] ? preempt_notifier_register+0x200/0x200 [ 337.827772] ? __switch_to_asm+0x34/0x70 [ 337.831840] ? __switch_to_asm+0x40/0x70 [ 337.835904] ? __switch_to_asm+0x34/0x70 [ 337.839970] ? __switch_to_asm+0x40/0x70 [ 337.844047] ? __switch_to_asm+0x34/0x70 [ 337.848131] ? __switch_to_asm+0x40/0x70 [ 337.852199] ? __switch_to_asm+0x40/0x70 [ 337.856273] ? pvclock_read_flags+0x160/0x160 [ 337.860799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.866376] ? check_preemption_disabled+0x48/0x280 [ 337.871414] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 337.876962] ? rcu_pm_notify+0xc0/0xc0 [ 337.880868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.886431] ? check_preemption_disabled+0x48/0x280 [ 337.891463] run_timer_softirq+0x52/0xb0 [ 337.895532] ? rcu_read_lock_sched_held+0x14f/0x180 [ 337.900562] __do_softirq+0x308/0xb7e [ 337.904401] ? retint_kernel+0x2d/0x2d [ 337.908306] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 337.913423] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 337.918897] ? schedule+0x108/0x460 [ 337.922551] ? __schedule+0x21d0/0x21d0 [ 337.926537] ? trace_hardirqs_off+0xb8/0x310 [ 337.930955] ? smpboot_thread_fn+0x68b/0xa00 [ 337.935378] ? trace_hardirqs_on+0x310/0x310 [ 337.939799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.945356] ? check_preemption_disabled+0x48/0x280 [ 337.950380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.955937] ? takeover_tasklets+0xa90/0xa90 [ 337.960362] run_ksoftirqd+0x5e/0x100 [ 337.964166] smpboot_thread_fn+0x68b/0xa00 [ 337.968412] ? sort_range+0x30/0x30 [ 337.972073] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 337.977185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.982745] ? __kthread_parkme+0xfb/0x1a0 [ 337.986992] kthread+0x35a/0x420 [ 337.990369] ? sort_range+0x30/0x30 [ 337.994003] ? kthread_stop+0x900/0x900 [ 337.997984] ret_from_fork+0x3a/0x50 [ 338.001717] warn_alloc_show_mem: 1 callbacks suppressed [ 338.001729] CPU: 1 PID: 1 Comm: init Not tainted 4.19.0+ #135 [ 338.001731] Mem-Info: [ 338.001762] active_anon:51691 inactive_anon:132 isolated_anon:0 [ 338.001762] active_file:13 inactive_file:12 isolated_file:0 [ 338.001762] unevictable:0 dirty:0 writeback:0 unstable:0 [ 338.001762] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 338.001762] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 338.001762] free:13679 free_pcp:375 free_cma:0 [ 338.007110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.007121] Call Trace: [ 338.013035] Node 0 active_anon:206764kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 338.015442] [ 338.048332] Node 0 [ 338.057706] dump_stack+0x244/0x39d [ 338.060301] 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 [ 338.087799] ? dump_stack_print_info.cold.1+0x20/0x20 [ 338.089926] lowmem_reserve[]: [ 338.092183] warn_alloc.cold.117+0xb7/0x1bd [ 338.095779] 0 2818 [ 338.121358] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 338.126531] 6321 [ 338.129641] ? lock_downgrade+0x900/0x900 [ 338.133935] 6321 [ 338.136202] ? trace_hardirqs_off+0xb8/0x310 [ 338.141016] Node 0 [ 338.143085] ? trace_hardirqs_off+0xb8/0x310 [ 338.147232] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 338.149281] __alloc_pages_slowpath+0x2660/0x2d70 [ 338.153690] lowmem_reserve[]: [ 338.155963] ? warn_alloc+0x120/0x120 [ 338.160331] 0 [ 338.187341] ? find_held_lock+0x36/0x1c0 [ 338.192179] 0 [ 338.195306] ? warn_alloc+0x120/0x120 [ 338.199078] 3503 [ 338.200883] ? print_usage_bug+0xc0/0xc0 [ 338.204923] 3503 [ 338.206743] ? warn_alloc+0x120/0x120 [ 338.210518] Node 0 [ 338.212598] ? print_usage_bug+0xc0/0xc0 [ 338.216664] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206704kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1252kB local_pcp:248kB free_cma:0kB [ 338.218704] ? check_preemption_disabled+0x48/0x280 [ 338.222476] lowmem_reserve[]: 0 [ 338.224741] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 338.228769] 0 [ 338.257149] ? kasan_check_read+0x11/0x20 [ 338.257170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.262176] 0 0 [ 338.265477] ? should_fail+0x22d/0xd01 [ 338.270382] Node 0 [ 338.272211] ? rcu_softirq_qs+0x20/0x20 [ 338.276337] DMA: 1*4kB [ 338.281897] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.283852] (U) [ 338.287742] ? __lock_acquire+0x62f/0x4c20 [ 338.289961] 0*8kB [ 338.293936] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.296497] 0*16kB 1*32kB [ 338.301619] ? __lock_acquire+0x62f/0x4c20 [ 338.303571] (U) [ 338.307819] ? should_fail+0x22d/0xd01 [ 338.309953] 2*64kB [ 338.315075] ? mark_held_locks+0x130/0x130 [ 338.317900] (U) [ 338.322142] ? mark_held_locks+0x130/0x130 [ 338.324091] 1*128kB [ 338.327979] ? account_entity_enqueue+0x3a3/0x660 [ 338.330192] (U) [ 338.334437] ? zap_class+0x640/0x640 [ 338.336394] 1*256kB [ 338.340628] ? print_usage_bug+0xc0/0xc0 [ 338.342927] (U) [ 338.347782] ? rcu_softirq_qs+0x20/0x20 [ 338.349742] 0*512kB [ 338.353468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.355773] 1*1024kB [ 338.360177] ? check_preemption_disabled+0x48/0x280 [ 338.362136] (U) [ 338.366119] ? __lock_is_held+0xb5/0x140 [ 338.368416] 1*2048kB [ 338.373963] __alloc_pages_nodemask+0xa80/0xde0 [ 338.376355] (M) [ 338.381395] ? zap_class+0x640/0x640 [ 338.383356] 3*4096kB [ 338.387431] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 338.389818] (M) [ 338.394523] ? find_held_lock+0x36/0x1c0 [ 338.396472] = 15908kB [ 338.400209] ? ____cache_alloc_node+0x1c7/0x1e0 [ 338.402602] Node 0 [ 338.407628] ? lock_downgrade+0x900/0x900 [ 338.409592] DMA32: [ 338.413662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.416065] 5*4kB [ 338.420739] cache_grow_begin+0xa5/0x8c0 [ 338.422950] (M) [ 338.427112] ? do_raw_spin_unlock+0xa7/0x330 [ 338.429335] 1*8kB [ 338.434890] fallback_alloc+0x204/0x2e0 [ 338.437030] (U) [ 338.441118] ____cache_alloc_node+0x1c7/0x1e0 [ 338.443072] 4*16kB [ 338.447493] kmem_cache_alloc_node+0xe3/0x730 [ 338.449624] (M) [ 338.453602] ? ipv6_get_ifaddr+0x42e/0x620 [ 338.455553] 2*32kB [ 338.460059] __alloc_skb+0x119/0x770 [ 338.462263] (M) [ 338.466783] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.468737] 4*64kB [ 338.472978] ? netdev_alloc_frag+0x1f0/0x1f0 [ 338.475193] (UM) [ 338.478912] ? lock_downgrade+0x900/0x900 [ 338.480864] 3*128kB [ 338.486157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.488400] (M) [ 338.492814] ? refcount_sub_and_test_checked+0x203/0x310 [ 338.494851] 4*256kB [ 338.499001] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 338.501307] (UM) [ 338.506854] ? addrconf_rs_timer+0x690/0x690 [ 338.508808] 3*512kB (M) [ 338.514296] ndisc_alloc_skb+0x144/0x340 [ 338.516589] 3*1024kB [ 338.522055] ndisc_send_rs+0x331/0x6e0 [ 338.524100] (UM) [ 338.528516] addrconf_rs_timer+0x314/0x690 [ 338.531153] 3*2048kB (UM) [ 338.535228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.537619] 3*4096kB [ 338.541524] call_timer_fn+0x272/0x920 [ 338.543555] (M) [ 338.547791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.550631] = 24860kB [ 338.554860] ? process_timeout+0x40/0x40 [ 338.557248] Node 0 [ 338.561158] ? mark_held_locks+0xc7/0x130 [ 338.563101] Normal: 767*4kB [ 338.567351] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.567368] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.569781] (UME) [ 338.573844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.576063] 454*8kB [ 338.580216] ? lockdep_hardirqs_on+0x296/0x5b0 [ 338.583208] (ME) [ 338.587707] ? trace_hardirqs_on+0xbd/0x310 [ 338.592186] 185*16kB [ 338.594345] ? kasan_check_read+0x11/0x20 [ 338.594365] ? __run_timers+0x7da/0xc70 [ 338.598577] (UME) 80*32kB [ 338.600922] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.605473] (UME) 22*64kB [ 338.607557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 338.611857] (M) [ 338.614318] __run_timers+0x7e5/0xc70 [ 338.618439] 1*128kB (U) [ 338.622477] ? timer_fixup_init+0x70/0x70 [ 338.625292] 1*256kB [ 338.630398] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 338.633224] (U) [ 338.637462] ? zap_class+0x640/0x640 [ 338.639416] 0*512kB [ 338.643222] ? print_usage_bug+0xc0/0xc0 [ 338.645873] 0*1024kB [ 338.650025] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 338.652331] 0*2048kB 0*4096kB [ 338.657367] ? find_held_lock+0x36/0x1c0 [ 338.659331] = 14012kB [ 338.663041] ? zap_class+0x640/0x640 [ 338.665351] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 338.669418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.671814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 338.677007] ? check_preemption_disabled+0x48/0x280 [ 338.680173] 163 total pagecache pages [ 338.684258] ? __lock_is_held+0xb5/0x140 [ 338.686648] 0 pages in swap cache [ 338.690372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.699197] Swap cache stats: add 0, delete 0, find 0/0 [ 338.699206] Free swap = 0kB [ 338.704763] ? check_preemption_disabled+0x48/0x280 [ 338.713322] Total swap = 0kB [ 338.713337] 1965979 pages RAM [ 338.718363] run_timer_softirq+0x52/0xb0 [ 338.722147] 0 pages HighMem/MovableOnly [ 338.722157] 342867 pages reserved [ 338.726237] ? rcu_read_lock_sched_held+0x14f/0x180 [ 338.729689] 0 pages cma reserved [ 338.735246] __do_softirq+0x308/0xb7e [ 338.740674] aoe: skb alloc failure [ 338.743978] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 338.749067] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 338.751998] ? lock_downgrade+0x900/0x900 [ 338.755079] ksoftirqd/0 cpuset= [ 338.759145] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 338.763115] / [ 338.766578] ? pvclock_read_flags+0x160/0x160 [ 338.771564] mems_allowed=0 [ 338.818681] ? lapic_next_event+0x5a/0x90 [ 338.822855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.828422] ? kvm_clock_read+0x18/0x30 [ 338.832403] ? kvm_sched_clock_read+0x9/0x20 [ 338.836838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.842394] ? check_preemption_disabled+0x48/0x280 [ 338.847452] irq_exit+0x17f/0x1c0 [ 338.850915] smp_apic_timer_interrupt+0x1cb/0x760 [ 338.855790] ? smp_reschedule_interrupt+0x109/0x650 [ 338.860835] ? smp_call_function_single_interrupt+0x650/0x650 [ 338.866735] ? interrupt_entry+0xb5/0xc0 [ 338.870808] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.875853] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.880885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.885739] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.890766] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.895805] ? task_prio+0x50/0x50 [ 338.899364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.904915] ? check_preemption_disabled+0x48/0x280 [ 338.909951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.914861] apic_timer_interrupt+0xf/0x20 [ 338.919100] [ 338.921358] RIP: 0010:write_comp_data+0x14/0x70 [ 338.926048] Code: fc ff ff e8 ee a5 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 65 8b 05 5c cc 83 7e 00 01 1f 00 75 51 41 8b 80 d0 12 00 00 83 f8 03 75 45 49 8b 80 [ 338.944979] RSP: 0000:ffff8801d9a4df38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 338.952810] RAX: 0000000080000001 RBX: 0000000000000001 RCX: ffffffff838dd36a [ 338.960097] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005 [ 338.967381] RBP: ffff8801d9a4df38 R08: ffff8801d9a40040 R09: 0000000000000008 [ 338.974664] R10: 00000000000000a0 R11: ffff8801d9a40040 R12: 0000000000000001 [ 338.981942] R13: ffffffff88609260 R14: ffffffff88609220 R15: 0000000000000000 [ 338.989255] ? check_preemption_disabled+0x3a/0x280 [ 338.994314] ? list_lru_count_one+0x8d/0x450 [ 338.998736] __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.004117] check_preemption_disabled+0x3a/0x280 [ 339.008983] debug_smp_processor_id+0x1c/0x20 [ 339.013491] rcu_dynticks_curr_cpu_in_eqs+0x69/0x170 [ 339.018605] ? rcu_softirq_qs+0x20/0x20 [ 339.022609] rcu_is_watching+0x10/0x30 [ 339.026511] list_lru_count_one+0x3a8/0x450 [ 339.030847] ? list_lru_isolate_move+0x3c0/0x3c0 [ 339.035609] ? shmem_free_inode+0xd0/0xd0 [ 339.039773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.045327] ? ubifs_shrink_count+0xc4/0x100 [ 339.049755] super_cache_count+0x1b9/0x2e0 [ 339.053999] do_shrink_slab+0x1a7/0xd20 [ 339.057988] ? shrink_slab+0x207/0x8c0 [ 339.061891] ? snapshot_refaults+0x290/0x290 [ 339.066316] ? lock_release+0xa00/0xa00 [ 339.070315] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 339.075268] ? down_read_trylock+0xda/0x140 [ 339.079610] ? shrink_slab+0x207/0x8c0 [ 339.083512] ? downgrade_write+0x270/0x270 [ 339.087776] shrink_slab+0x389/0x8c0 [ 339.091505] ? shrink_active_list+0x1c20/0x1c20 [ 339.096196] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 339.101835] ? zap_class+0x640/0x640 [ 339.105562] ? percpu_ref_get_many+0x240/0x240 [ 339.110186] shrink_node+0x431/0x16b0 [ 339.114008] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 339.119355] ? shrink_node_memcg+0x18f0/0x18f0 [ 339.123952] ? kvm_clock_read+0x18/0x30 [ 339.127937] ? ktime_get+0x2c1/0x400 [ 339.131662] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 339.136180] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 339.141731] ? __cpuset_node_allowed+0x19b/0x660 [ 339.146502] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 339.152245] do_try_to_free_pages+0x3e7/0x1290 [ 339.156875] ? shrink_node+0x16b0/0x16b0 [ 339.160955] ? __lock_is_held+0xb5/0x140 [ 339.165047] try_to_free_pages+0x4d0/0xb90 [ 339.169322] ? do_try_to_free_pages+0x1290/0x1290 [ 339.174208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.179784] ? lock_acquire+0x1ed/0x520 [ 339.183767] ? set_page_refcounted+0x280/0x280 [ 339.188372] ? lock_release+0xa00/0xa00 [ 339.192391] ? perf_trace_sched_process_exec+0x860/0x860 [ 339.197881] __alloc_pages_slowpath+0x9c4/0x2d70 [ 339.202688] ? warn_alloc+0x120/0x120 [ 339.206504] ? rcu_softirq_qs+0x20/0x20 [ 339.210547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.216118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.221669] ? should_fail+0x22d/0xd01 [ 339.225565] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.230687] ? zap_class+0x640/0x640 [ 339.234440] ? __lock_is_held+0xb5/0x140 [ 339.238558] ? mark_held_locks+0x130/0x130 [ 339.243340] ? lock_release+0xa00/0xa00 [ 339.247323] ? perf_trace_sched_process_exec+0x860/0x860 [ 339.252801] ? __might_sleep+0x95/0x190 [ 339.256800] __alloc_pages_nodemask+0xa80/0xde0 [ 339.261495] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 339.266522] ? __page_cache_alloc+0x191/0x5c0 [ 339.271037] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 339.275982] ? kasan_check_read+0x11/0x20 [ 339.280143] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.285434] ? zap_class+0x640/0x640 [ 339.289163] ? zap_class+0x640/0x640 [ 339.292889] ? zap_class+0x640/0x640 [ 339.296611] ? __do_page_cache_readahead+0x7ce/0x980 [ 339.301722] ? find_held_lock+0x36/0x1c0 [ 339.305803] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 339.311399] alloc_pages_current+0x173/0x350 [ 339.315836] __page_cache_alloc+0x38c/0x5c0 [ 339.320169] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 339.325113] ? kasan_check_read+0x11/0x20 [ 339.329279] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.334586] ? generic_perform_write+0x6a0/0x6a0 [ 339.339355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.344901] ? check_preemption_disabled+0x48/0x280 [ 339.349948] filemap_fault+0x1594/0x25f0 [ 339.354044] ? __lock_page_or_retry+0xa00/0xa00 [ 339.358726] ? mark_held_locks+0x130/0x130 [ 339.362970] ? rcu_softirq_qs+0x20/0x20 [ 339.366969] ? remove_wait_queue+0x1a6/0x360 [ 339.371396] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.376513] ? filemap_map_pages+0xe04/0x1990 [ 339.381025] ? print_usage_bug+0xc0/0xc0 [ 339.385114] ? add_wait_queue+0x2b0/0x2b0 [ 339.389278] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 339.394238] ? print_usage_bug+0xc0/0xc0 [ 339.398366] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 339.403921] ? fput+0x130/0x1a0 [ 339.407221] ? poll_freewait+0x1d6/0x260 [ 339.411308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.416871] ? print_usage_bug+0xc0/0xc0 [ 339.420942] ? __lock_acquire+0x62f/0x4c20 [ 339.425205] ? lock_acquire+0x1ed/0x520 [ 339.429192] ? ext4_filemap_fault+0x7a/0xad [ 339.433530] ? lock_release+0xa00/0xa00 [ 339.437514] ? perf_trace_sched_process_exec+0x860/0x860 [ 339.442978] ? print_usage_bug+0xc0/0xc0 [ 339.447063] ? print_usage_bug+0xc0/0xc0 [ 339.451145] ? down_read+0x8d/0x120 [ 339.454783] ? ext4_filemap_fault+0x7a/0xad [ 339.459110] ? __down_interruptible+0x700/0x700 [ 339.464274] ext4_filemap_fault+0x82/0xad [ 339.468449] __do_fault+0x100/0x6b0 [ 339.472094] ? pmd_devmap_trans_unstable+0x220/0x220 [ 339.477210] ? mark_held_locks+0x130/0x130 [ 339.481463] ? mark_held_locks+0x130/0x130 [ 339.485717] ? find_held_lock+0x36/0x1c0 [ 339.489791] ? zap_class+0x640/0x640 [ 339.493513] ? find_held_lock+0x36/0x1c0 [ 339.497583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.503150] __handle_mm_fault+0x307c/0x5920 [ 339.507572] ? poll_select_copy_remaining+0x18c/0x6a0 [ 339.512778] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 339.517635] ? __might_fault+0x12b/0x1e0 [ 339.521712] ? lock_downgrade+0x900/0x900 [ 339.525896] ? zap_class+0x640/0x640 [ 339.529628] ? zap_class+0x640/0x640 [ 339.533367] ? find_held_lock+0x36/0x1c0 [ 339.537446] ? handle_mm_fault+0x42a/0xc70 [ 339.541705] ? lock_downgrade+0x900/0x900 [ 339.545874] ? check_preemption_disabled+0x48/0x280 [ 339.550908] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 339.555850] ? kasan_check_read+0x11/0x20 [ 339.560021] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.565323] ? rcu_softirq_qs+0x20/0x20 [ 339.569314] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.574430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.580001] ? check_preemption_disabled+0x48/0x280 [ 339.585047] handle_mm_fault+0x54f/0xc70 [ 339.589122] ? __handle_mm_fault+0x5920/0x5920 [ 339.593715] ? find_vma+0x34/0x190 [ 339.597300] __do_page_fault+0x5e8/0xe60 [ 339.601385] ? trace_hardirqs_off+0xb8/0x310 [ 339.605907] do_page_fault+0xf2/0x7e0 [ 339.609724] ? vmalloc_sync_all+0x30/0x30 [ 339.613884] ? error_entry+0x70/0xd0 [ 339.617617] ? trace_hardirqs_off_caller+0xbb/0x310 [ 339.622659] ? trace_hardirqs_on_caller+0xc0/0x310 [ 339.627598] ? syscall_return_slowpath+0x5e0/0x5e0 [ 339.632538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.637422] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.642456] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 339.647924] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 339.652957] ? prepare_exit_to_usermode+0x291/0x3b0 [ 339.657993] ? page_fault+0x8/0x30 [ 339.661566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.666438] ? page_fault+0x8/0x30 [ 339.669994] page_fault+0x1e/0x30 [ 339.673454] RIP: 0033:0x7f9d40979dd3 [ 339.677185] Code: Bad RIP value. [ 339.680561] RSP: 002b:00007ffea1a8a538 EFLAGS: 00010246 [ 339.685953] RAX: 0000000000000000 RBX: 00007ffea1a8a6e0 RCX: 00007f9d40979dd3 [ 339.693231] RDX: 0000000000000000 RSI: 00007ffea1a8a890 RDI: 000000000000000b [ 339.700534] RBP: 00007ffea1a8a890 R08: 00007ffea1a8a910 R09: 0000000000000001 [ 339.707816] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 339.715102] R13: 00007ffea1a8ac70 R14: 0000000000000000 R15: 0000000000000000 [ 339.722421] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 339.722491] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 339.728931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.728937] Call Trace: [ 339.728961] dump_stack+0x244/0x39d [ 339.728978] ? dump_stack_print_info.cold.1+0x20/0x20 [ 339.729006] warn_alloc.cold.117+0xb7/0x1bd [ 339.746416] kmalloc-2097152 2050KB 2050KB [ 339.747433] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 339.747452] ? lock_downgrade+0x900/0x900 [ 339.747472] ? trace_hardirqs_off+0xb8/0x310 [ 339.747491] ? trace_hardirqs_off+0xb8/0x310 [ 339.747513] __alloc_pages_slowpath+0x2660/0x2d70 [ 339.747547] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 339.747567] ? warn_alloc+0x120/0x120 [ 339.751248] kmalloc-524288 2056KB 2056KB [ 339.756388] ? warn_alloc+0x120/0x120 [ 339.765800] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 339.766065] ? print_usage_bug+0xc0/0xc0 [ 339.770894] syz-executor1 cpuset= [ 339.775055] ? warn_alloc+0x120/0x120 [ 339.779452] syz1 [ 339.783890] ? print_usage_bug+0xc0/0xc0 [ 339.788728] mems_allowed=0 [ 339.794547] ? mark_held_locks+0x130/0x130 [ 339.842460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.848024] ? should_fail+0x22d/0xd01 [ 339.851926] ? zap_class+0x640/0x640 [ 339.855649] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.860766] ? __lock_acquire+0x62f/0x4c20 [ 339.865015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.870137] ? __lock_acquire+0x62f/0x4c20 [ 339.874381] ? should_fail+0x22d/0xd01 [ 339.878295] ? mark_held_locks+0x130/0x130 [ 339.882560] ? mark_held_locks+0x130/0x130 [ 339.886800] ? lock_downgrade+0x900/0x900 [ 339.890969] ? zap_class+0x640/0x640 [ 339.894695] ? zap_class+0x640/0x640 [ 339.898414] ? do_raw_spin_unlock+0xa7/0x330 [ 339.902836] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 339.907612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.913173] ? check_preemption_disabled+0x48/0x280 [ 339.918212] ? __lock_is_held+0xb5/0x140 [ 339.922313] __alloc_pages_nodemask+0xa80/0xde0 [ 339.927009] ? zap_class+0x640/0x640 [ 339.930756] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 339.935807] ? find_held_lock+0x36/0x1c0 [ 339.939886] ? ____cache_alloc_node+0x1c7/0x1e0 [ 339.944563] ? lock_downgrade+0x900/0x900 [ 339.948747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.954315] cache_grow_begin+0xa5/0x8c0 [ 339.958391] ? do_raw_spin_unlock+0xa7/0x330 [ 339.962814] fallback_alloc+0x204/0x2e0 [ 339.966801] ____cache_alloc_node+0x1c7/0x1e0 [ 339.971334] kmem_cache_alloc_node+0xe3/0x730 [ 339.975842] ? lockdep_hardirqs_on+0x296/0x5b0 [ 339.980440] __alloc_skb+0x119/0x770 [ 339.984164] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 339.989545] ? netdev_alloc_frag+0x1f0/0x1f0 [ 339.993978] ? vprintk_default+0x28/0x30 [ 339.998046] ? vprintk_func+0x85/0x181 [ 340.001937] ? printk+0xa7/0xcf [ 340.005217] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 340.009990] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 340.015115] new_skb+0x26/0x1c0 [ 340.018411] aoecmd_cfg+0x279/0x7f0 [ 340.022044] ? find_held_lock+0x36/0x1c0 [ 340.026119] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 340.030456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.036022] ? __lock_is_held+0xb5/0x140 [ 340.040107] discover_timer+0x50/0x60 [ 340.043916] call_timer_fn+0x272/0x920 [ 340.047812] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.052698] ? process_timeout+0x40/0x40 [ 340.056787] ? __run_timers+0x7da/0xc70 [ 340.060775] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.065310] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.069842] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.074709] ? lockdep_hardirqs_on+0x296/0x5b0 [ 340.079317] ? trace_hardirqs_on+0xbd/0x310 [ 340.083653] ? kasan_check_read+0x11/0x20 [ 340.087816] ? __run_timers+0x7da/0xc70 [ 340.091799] ? trace_hardirqs_off_caller+0x310/0x310 [ 340.096942] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.101799] __run_timers+0x7e5/0xc70 [ 340.105621] ? timer_fixup_init+0x70/0x70 [ 340.109781] ? compat_start_thread+0x80/0x80 [ 340.114207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.119774] ? _raw_spin_unlock_irq+0x60/0x80 [ 340.124281] ? finish_task_switch+0x1f4/0x910 [ 340.128801] ? finish_task_switch+0x1b4/0x910 [ 340.133313] ? __switch_to_asm+0x34/0x70 [ 340.137400] ? preempt_notifier_register+0x200/0x200 [ 340.142518] ? __switch_to_asm+0x34/0x70 [ 340.146584] ? __switch_to_asm+0x40/0x70 [ 340.150652] ? __switch_to_asm+0x34/0x70 [ 340.154714] ? __switch_to_asm+0x40/0x70 [ 340.158794] ? __switch_to_asm+0x34/0x70 [ 340.162861] ? __switch_to_asm+0x40/0x70 [ 340.166928] ? __switch_to_asm+0x40/0x70 [ 340.171004] ? pvclock_read_flags+0x160/0x160 [ 340.175504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.181061] ? check_preemption_disabled+0x48/0x280 [ 340.186097] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 340.191660] ? rcu_pm_notify+0xc0/0xc0 [ 340.195572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.201145] ? check_preemption_disabled+0x48/0x280 [ 340.206188] run_timer_softirq+0x52/0xb0 [ 340.210258] ? rcu_read_lock_sched_held+0x14f/0x180 [ 340.215297] __do_softirq+0x308/0xb7e [ 340.219129] ? retint_kernel+0x2d/0x2d [ 340.223038] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 340.228166] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 340.233628] ? schedule+0x108/0x460 [ 340.237265] ? __schedule+0x21d0/0x21d0 [ 340.241267] ? trace_hardirqs_off+0xb8/0x310 [ 340.245696] ? smpboot_thread_fn+0x68b/0xa00 [ 340.250112] ? trace_hardirqs_on+0x310/0x310 [ 340.254533] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.260086] ? check_preemption_disabled+0x48/0x280 [ 340.265124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.270689] ? takeover_tasklets+0xa90/0xa90 [ 340.275108] run_ksoftirqd+0x5e/0x100 [ 340.278916] smpboot_thread_fn+0x68b/0xa00 [ 340.283171] ? sort_range+0x30/0x30 [ 340.286833] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 340.291951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.297499] ? __kthread_parkme+0xfb/0x1a0 [ 340.301759] kthread+0x35a/0x420 [ 340.305144] ? sort_range+0x30/0x30 [ 340.308782] ? kthread_stop+0x900/0x900 [ 340.312773] ret_from_fork+0x3a/0x50 [ 340.316506] warn_alloc_show_mem: 1 callbacks suppressed [ 340.316520] CPU: 1 PID: 8505 Comm: syz-executor1 Not tainted 4.19.0+ #135 [ 340.316523] Mem-Info: [ 340.316555] active_anon:51691 inactive_anon:132 isolated_anon:0 [ 340.316555] active_file:13 inactive_file:12 isolated_file:0 [ 340.316555] unevictable:0 dirty:0 writeback:0 unstable:0 [ 340.316555] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 340.316555] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 340.316555] free:13679 free_pcp:375 free_cma:0 [ 340.321908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.321920] Call Trace: [ 340.328872] Node 0 active_anon:206764kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 340.331304] dump_stack+0x244/0x39d [ 340.364620] Node 0 [ 340.374011] ? dump_stack_print_info.cold.1+0x20/0x20 [ 340.376605] 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 [ 340.404117] warn_alloc.cold.117+0xb7/0x1bd [ 340.407737] lowmem_reserve[]: 0 [ 340.410014] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 340.415192] 2818 [ 340.440717] ? lock_downgrade+0x900/0x900 [ 340.445031] 6321 [ 340.448341] ? trace_hardirqs_off+0xb8/0x310 [ 340.453176] 6321 [ 340.455253] ? trace_hardirqs_off+0xb8/0x310 [ 340.461455] __alloc_pages_slowpath+0x2660/0x2d70 [ 340.465841] Node 0 [ 340.467942] ? warn_alloc+0x120/0x120 [ 340.472353] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 340.477182] ? warn_alloc+0x120/0x120 [ 340.479404] lowmem_reserve[]: [ 340.483222] ? print_usage_bug+0xc0/0xc0 [ 340.510200] 0 [ 340.514030] ? warn_alloc+0x120/0x120 [ 340.517117] 0 [ 340.521184] ? print_usage_bug+0xc0/0xc0 [ 340.522961] 3503 [ 340.526766] ? __lock_acquire+0x62f/0x4c20 [ 340.528546] 3503 [ 340.532610] ? cpuacct_charge+0x265/0x440 [ 340.532634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.538928] ? should_fail+0x22d/0xd01 [ 340.540975] Node 0 [ 340.545131] ? find_held_lock+0x36/0x1c0 [ 340.550677] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206704kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1252kB local_pcp:248kB free_cma:0kB [ 340.554552] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.556770] lowmem_reserve[]: [ 340.560847] ? __lock_acquire+0x62f/0x4c20 [ 340.589195] 0 [ 340.594327] ? __lock_acquire+0x62f/0x4c20 [ 340.597432] 0 [ 340.601666] ? should_fail+0x22d/0xd01 [ 340.601697] ? mark_held_locks+0x130/0x130 [ 340.603473] 0 [ 340.607720] ? mark_held_locks+0x130/0x130 [ 340.609499] 0 [ 340.613408] ? __lock_acquire+0x62f/0x4c20 [ 340.619442] ? update_load_avg+0x387/0x2470 [ 340.623654] Node 0 [ 340.625468] ? zap_class+0x640/0x640 [ 340.629676] DMA: [ 340.634011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.636222] 1*4kB [ 340.639950] ? check_preemption_disabled+0x48/0x280 [ 340.641991] (U) [ 340.647542] ? __lock_is_held+0xb5/0x140 [ 340.649670] 0*8kB [ 340.654705] __alloc_pages_nodemask+0xa80/0xde0 [ 340.656656] 0*16kB [ 340.660727] ? zap_class+0x640/0x640 [ 340.662859] 1*32kB [ 340.667564] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 340.669774] (U) [ 340.673500] ? find_held_lock+0x36/0x1c0 [ 340.675698] 2*64kB (U) [ 340.680746] ? ____cache_alloc_node+0x1c7/0x1e0 [ 340.682698] 1*128kB [ 340.686767] ? lock_downgrade+0x900/0x900 [ 340.689331] (U) [ 340.694011] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 340.696317] 1*256kB [ 340.700479] cache_grow_begin+0xa5/0x8c0 [ 340.702436] (U) [ 340.707989] ? do_raw_spin_unlock+0xa7/0x330 [ 340.710298] 0*512kB [ 340.714380] fallback_alloc+0x204/0x2e0 [ 340.716332] 1*1024kB [ 340.720751] ____cache_alloc_node+0x1c7/0x1e0 [ 340.723058] (U) 1*2048kB [ 340.727062] kmem_cache_alloc+0x1f8/0x730 [ 340.729459] (M) [ 340.733991] skb_clone+0x1bb/0x500 [ 340.736724] 3*4096kB [ 340.740887] ? finish_task_switch+0x1b4/0x910 [ 340.742830] (M) = 15908kB [ 340.746393] ? skb_split+0x11e0/0x11e0 [ 340.748787] Node 0 [ 340.753307] ? preempt_notifier_register+0x200/0x200 [ 340.756037] DMA32: [ 340.759932] ? __switch_to_asm+0x34/0x70 [ 340.762195] 5*4kB [ 340.767343] ? __switch_to_asm+0x34/0x70 [ 340.769565] (M) [ 340.773631] ? __switch_to_asm+0x40/0x70 [ 340.773648] ? __switch_to_asm+0x34/0x70 [ 340.775788] 1*8kB [ 340.779855] ? __switch_to_asm+0x40/0x70 [ 340.779873] ? __switch_to_asm+0x34/0x70 [ 340.781831] (U) 4*16kB [ 340.785918] ? __switch_to_asm+0x40/0x70 [ 340.785937] ? __switch_to_asm+0x34/0x70 [ 340.790006] (M) [ 340.792169] ? __switch_to_asm+0x34/0x70 [ 340.796203] 2*32kB [ 340.800272] ? __switch_to_asm+0x40/0x70 [ 340.802831] (M) [ 340.806898] ? __switch_to_asm+0x34/0x70 [ 340.806927] bpf_clone_redirect+0xb9/0x490 [ 340.810963] 4*64kB (UM) [ 340.812964] ? __schedule+0x8d7/0x21d0 [ 340.817012] 3*128kB [ 340.819260] bpf_prog_dc6f81d0b0097db7+0xf00/0x1000 [ 340.823310] (M) [ 340.825310] ? __sched_text_start+0x8/0x8 [ 340.829356] 4*256kB (UM) [ 340.833626] ? retint_kernel+0x2d/0x2d [ 340.836290] 3*512kB [ 340.840201] ? find_held_lock+0x36/0x1c0 [ 340.842496] (M) [ 340.847530] ? lock_acquire+0x1ed/0x520 [ 340.849479] 3*1024kB [ 340.853640] ? bpf_test_run+0x3cb/0x780 [ 340.856375] (UM) [ 340.860270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.862566] 3*2048kB [ 340.866634] ? check_preemption_disabled+0x48/0x280 [ 340.868590] (UM) [ 340.872601] ? kasan_check_read+0x11/0x20 [ 340.874993] 3*4096kB [ 340.878975] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 340.881017] (M) [ 340.886557] ? rcu_softirq_qs+0x20/0x20 [ 340.888944] = 24860kB [ 340.893970] ? preempt_schedule+0x4d/0x60 [ 340.896010] Node 0 [ 340.900168] ? ___preempt_schedule+0x16/0x18 [ 340.902554] Normal: [ 340.907845] ? bpf_test_run+0x25d/0x780 [ 340.909789] 767*4kB [ 340.913784] ? netlink_diag_dump+0x2a0/0x2a0 [ 340.916161] (UME) [ 340.920316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.922550] 454*8kB [ 340.926968] ? bpf_test_init.isra.10+0x70/0x100 [ 340.929271] (ME) [ 340.933263] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 340.935563] 185*16kB [ 340.939976] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 340.942095] (UME) [ 340.947640] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 340.947660] ? fput+0x130/0x1a0 [ 340.949982] 80*32kB [ 340.954654] ? __bpf_prog_get+0x9b/0x290 [ 340.956710] (UME) [ 340.961468] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 340.963857] 22*64kB [ 340.968709] ? bpf_prog_test_run+0x130/0x1a0 [ 340.970831] (M) 1*128kB [ 340.976382] ? __x64_sys_bpf+0x3d8/0x520 [ 340.979648] (U) 1*256kB [ 340.981988] ? bpf_prog_get+0x20/0x20 [ 340.986026] (U) [ 340.988207] ? do_syscall_64+0x1b9/0x820 [ 340.993008] 0*512kB [ 340.995343] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 340.999732] 0*1024kB [ 341.002419] ? syscall_return_slowpath+0x5e0/0x5e0 [ 341.006458] 0*2048kB [ 341.009135] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.012923] 0*4096kB [ 341.014897] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 341.018976] = 14012kB [ 341.021331] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 341.026679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 341.029088] ? __switch_to_asm+0x40/0x70 [ 341.033998] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 341.036408] ? __switch_to_asm+0x34/0x70 [ 341.041428] 163 total pagecache pages [ 341.043856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.048846] 0 pages in swap cache [ 341.051263] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 341.057913] Swap cache stats: add 0, delete 0, find 0/0 [ 341.082368] kmalloc-262144 1290KB 1290KB [ 341.083454] Free swap = 0kB [ 341.107112] kmalloc-131072 650KB 650KB [ 341.111593] Total swap = 0kB [ 341.111601] 1965979 pages RAM [ 341.111605] 0 pages HighMem/MovableOnly [ 341.111609] 342867 pages reserved [ 341.111613] 0 pages cma reserved [ 341.111668] aoe: skb alloc failure [ 341.111708] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 341.111719] ksoftirqd/0 cpuset= [ 341.134556] kmalloc-65536 330KB 330KB [ 341.136976] / mems_allowed=0 [ 341.162477] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 341.165386] kmalloc-32768 726KB 726KB [ 341.168982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.168988] Call Trace: [ 341.169014] dump_stack+0x244/0x39d [ 341.169031] ? dump_stack_print_info.cold.1+0x20/0x20 [ 341.169056] warn_alloc.cold.117+0xb7/0x1bd [ 341.169070] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 341.169088] ? lock_downgrade+0x900/0x900 [ 341.169112] ? trace_hardirqs_off+0xb8/0x310 [ 341.169133] ? trace_hardirqs_off+0xb8/0x310 [ 341.192085] kmalloc-16384 396KB 396KB [ 341.195246] __alloc_pages_slowpath+0x2660/0x2d70 [ 341.222088] kmalloc-8192 1749KB 1749KB [ 341.222711] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 341.238720] ? warn_alloc+0x120/0x120 [ 341.242558] ? warn_alloc+0x120/0x120 [ 341.242594] kmalloc-4096 5877KB 5877KB [ 341.246383] ? print_usage_bug+0xc0/0xc0 [ 341.255807] ? warn_alloc+0x120/0x120 [ 341.256806] kmalloc-2048 6443KB 7905KB [ 341.259612] ? print_usage_bug+0xc0/0xc0 [ 341.259636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.259648] ? should_fail+0x22d/0xd01 [ 341.259659] ? zap_class+0x640/0x640 [ 341.259674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.259688] ? __lock_acquire+0x62f/0x4c20 [ 341.259706] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.259718] ? __lock_acquire+0x62f/0x4c20 [ 341.259729] ? should_fail+0x22d/0xd01 [ 341.259742] ? mark_held_locks+0x130/0x130 [ 341.259765] ? mark_held_locks+0x130/0x130 [ 341.259785] ? mark_held_locks+0x130/0x130 [ 341.281494] kmalloc-1024 4098KB 6079KB [ 341.282322] ? zap_class+0x640/0x640 [ 341.305079] kmalloc-512 3613241KB 3613241KB [ 341.309102] ? zap_class+0x640/0x640 [ 341.309122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.309137] ? check_preemption_disabled+0x48/0x280 [ 341.309158] ? __lock_is_held+0xb5/0x140 [ 341.309179] __alloc_pages_nodemask+0xa80/0xde0 [ 341.309194] ? zap_class+0x640/0x640 [ 341.309212] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 341.309236] ? find_held_lock+0x36/0x1c0 [ 341.332935] kmalloc-256 1872KB 2385KB [ 341.335858] ? ____cache_alloc_node+0x1c7/0x1e0 [ 341.362700] kmalloc-128 444KB 854KB [ 341.363863] ? lock_downgrade+0x900/0x900 [ 341.387461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.392399] kmalloc-96 465KB 1684KB [ 341.393015] cache_grow_begin+0xa5/0x8c0 [ 341.402458] ? do_raw_spin_unlock+0xa7/0x330 [ 341.406888] fallback_alloc+0x204/0x2e0 [ 341.410878] ____cache_alloc_node+0x1c7/0x1e0 [ 341.415402] kmem_cache_alloc_node+0xe3/0x730 [ 341.419938] ? lockdep_hardirqs_on+0x296/0x5b0 [ 341.423202] kmalloc-64 741KB 1200KB [ 341.424538] __alloc_skb+0x119/0x770 [ 341.433684] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 341.439106] ? netdev_alloc_frag+0x1f0/0x1f0 [ 341.443534] ? vprintk_default+0x28/0x30 [ 341.447610] ? vprintk_func+0x85/0x181 [ 341.451514] ? printk+0xa7/0xcf [ 341.454803] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 341.454835] kmalloc-32 908KB 1563KB [ 341.459571] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 341.459590] new_skb+0x26/0x1c0 [ 341.459605] aoecmd_cfg+0x279/0x7f0 [ 341.459620] ? find_held_lock+0x36/0x1c0 [ 341.459636] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 341.459656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.459681] ? __lock_is_held+0xb5/0x140 [ 341.459706] discover_timer+0x50/0x60 [ 341.459723] call_timer_fn+0x272/0x920 [ 341.459736] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 341.459752] ? process_timeout+0x40/0x40 [ 341.459774] ? __run_timers+0x7da/0xc70 [ 341.486485] kmalloc-192 660KB 832KB [ 341.491894] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.491908] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.491923] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 341.491937] ? lockdep_hardirqs_on+0x296/0x5b0 [ 341.491952] ? trace_hardirqs_on+0xbd/0x310 [ 341.491966] ? kasan_check_read+0x11/0x20 [ 341.491983] ? __run_timers+0x7da/0xc70 [ 341.491997] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.492023] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 341.515859] kmem_cache 243KB 247KB [ 341.516634] __run_timers+0x7e5/0xc70 [ 341.546955] Out of memory: Kill process 5483 (syz-fuzzer) score 30 or sacrifice child [ 341.548847] ? timer_fixup_init+0x70/0x70 [ 341.548863] ? compat_start_thread+0x80/0x80 [ 341.548881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.548900] ? _raw_spin_unlock_irq+0x60/0x80 [ 341.548916] ? finish_task_switch+0x1f4/0x910 [ 341.548930] ? finish_task_switch+0x1b4/0x910 [ 341.548944] ? __switch_to_asm+0x34/0x70 [ 341.548963] ? preempt_notifier_register+0x200/0x200 [ 341.562203] Killed process 5519 (syz-executor2) total-vm:70212kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 341.562883] ? __switch_to_asm+0x34/0x70 [ 341.583905] oom_reaper: reaped process 5519 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 341.584143] ? __switch_to_asm+0x40/0x70 [ 341.603221] syz-fuzzer invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 341.607543] ? __switch_to_asm+0x34/0x70 [ 341.607556] ? __switch_to_asm+0x40/0x70 [ 341.607568] ? __switch_to_asm+0x34/0x70 [ 341.607578] ? __switch_to_asm+0x40/0x70 [ 341.607593] ? __switch_to_asm+0x40/0x70 [ 341.607614] ? pvclock_read_flags+0x160/0x160 [ 341.607631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.607651] ? check_preemption_disabled+0x48/0x280 [ 341.632766] syz-fuzzer cpuset= [ 341.640632] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 341.640647] ? rcu_pm_notify+0xc0/0xc0 [ 341.640663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.640677] ? check_preemption_disabled+0x48/0x280 [ 341.640694] run_timer_softirq+0x52/0xb0 [ 341.640710] ? rcu_read_lock_sched_held+0x14f/0x180 [ 341.640724] __do_softirq+0x308/0xb7e [ 341.640743] ? retint_kernel+0x2d/0x2d [ 341.640760] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 341.640774] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 341.640793] ? schedule+0x108/0x460 [ 341.662041] / [ 341.664434] ? __schedule+0x21d0/0x21d0 [ 341.686007] mems_allowed=0 [ 341.686627] ? trace_hardirqs_off+0xb8/0x310 [ 341.758687] ? smpboot_thread_fn+0x68b/0xa00 [ 341.763112] ? trace_hardirqs_on+0x310/0x310 [ 341.767543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.773092] ? check_preemption_disabled+0x48/0x280 [ 341.778150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.783700] ? takeover_tasklets+0xa90/0xa90 [ 341.788149] run_ksoftirqd+0x5e/0x100 [ 341.791975] smpboot_thread_fn+0x68b/0xa00 [ 341.796234] ? sort_range+0x30/0x30 [ 341.799889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 341.805004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.810553] ? __kthread_parkme+0xfb/0x1a0 [ 341.814805] kthread+0x35a/0x420 [ 341.818185] ? sort_range+0x30/0x30 [ 341.821820] ? kthread_stop+0x900/0x900 [ 341.825811] ret_from_fork+0x3a/0x50 [ 341.829546] warn_alloc_show_mem: 1 callbacks suppressed [ 341.829551] Mem-Info: [ 341.837095] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 341.837352] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 341.837352] active_file:13 inactive_file:12 isolated_file:0 [ 341.837352] unevictable:0 dirty:0 writeback:0 unstable:0 [ 341.837352] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 341.837352] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 341.837352] free:13679 free_pcp:387 free_cma:0 [ 341.843990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.844026] Call Trace: [ 341.876937] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 341.886280] dump_stack+0x244/0x39d [ 341.888856] Node 0 [ 341.916375] ? dump_stack_print_info.cold.1+0x20/0x20 [ 341.920006] 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 [ 341.922230] dump_header+0x27b/0xf72 [ 341.927392] lowmem_reserve[]: 0 [ 341.952932] ? mark_held_locks+0x130/0x130 [ 341.956627] 2818 [ 341.959905] ? pagefault_out_of_memory+0x197/0x197 [ 341.964114] 6321 6321 [ 341.966206] ? __lock_acquire+0x62f/0x4c20 [ 341.971105] Node 0 [ 341.973606] ? zap_class+0x640/0x640 [ 341.977840] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 341.980063] ? percpu_ref_get_many+0x240/0x240 [ 341.983744] lowmem_reserve[]: 0 [ 342.010754] ? print_usage_bug+0xc0/0xc0 [ 342.015321] 0 [ 342.018611] ? print_usage_bug+0xc0/0xc0 [ 342.022644] 3503 3503 [ 342.024477] ? zap_class+0x640/0x640 [ 342.028514] Node 0 [ 342.031017] ? print_usage_bug+0xc0/0xc0 [ 342.034738] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 342.036953] ? print_usage_bug+0xc0/0xc0 [ 342.040987] lowmem_reserve[]: 0 [ 342.069404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.073455] 0 [ 342.076748] ? find_held_lock+0x36/0x1c0 [ 342.082263] 0 [ 342.084095] ? mark_held_locks+0xc7/0x130 [ 342.088116] 0 [ 342.089934] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 342.094067] Node 0 [ 342.095896] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 342.100966] DMA: 1*4kB [ 342.103223] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 342.108309] (U) [ 342.110901] ? trace_hardirqs_on+0xbd/0x310 [ 342.115459] 0*8kB 0*16kB [ 342.117460] ? kasan_check_read+0x11/0x20 [ 342.121755] 1*32kB (U) [ 342.124527] ? ___ratelimit+0x3b4/0x672 [ 342.128663] 2*64kB [ 342.131254] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.135205] (U) [ 342.137449] ? trace_hardirqs_on+0x310/0x310 [ 342.142538] 1*128kB [ 342.144516] ? lock_downgrade+0x900/0x900 [ 342.148906] (U) [ 342.151246] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 342.155377] 1*256kB (U) [ 342.157367] ? ___ratelimit+0x3b9/0x672 [ 342.162443] 0*512kB 1*1024kB [ 342.165127] ? idr_get_free+0xec0/0xec0 [ 342.169077] (U) 1*2048kB [ 342.172200] ? find_held_lock+0x36/0x1c0 [ 342.176168] (M) [ 342.178935] oom_kill_process.cold.27+0x10/0x903 [ 342.182974] 3*4096kB [ 342.184955] ? zap_class+0x640/0x640 [ 342.189696] (M) [ 342.192117] ? check_preemption_disabled+0x48/0x280 [ 342.195801] = 15908kB [ 342.195810] Node 0 [ 342.197804] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 342.202787] DMA32: 5*4kB [ 342.205229] ? kasan_check_read+0x11/0x20 [ 342.207439] (M) [ 342.212384] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.215120] 1*8kB [ 342.219269] ? oom_evaluate_task+0x540/0x540 [ 342.221215] (U) 4*16kB [ 342.226518] ? find_held_lock+0x36/0x1c0 [ 342.228645] (M) [ 342.233080] ? out_of_memory+0x974/0x1430 [ 342.235635] 2*32kB [ 342.239710] ? lock_downgrade+0x900/0x900 [ 342.241666] (M) [ 342.245821] ? check_preemption_disabled+0x48/0x280 [ 342.248039] 4*64kB [ 342.252200] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 342.254146] (UM) [ 342.259172] ? kasan_check_read+0x11/0x20 [ 342.261391] 3*128kB [ 342.266335] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.268380] (M) [ 342.272531] ? rcu_softirq_qs+0x20/0x20 [ 342.274837] 4*256kB [ 342.280142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.282098] (UM) [ 342.286094] ? oom_evaluate_task+0x302/0x540 [ 342.288388] 3*512kB (M) [ 342.293947] out_of_memory+0xa84/0x1430 [ 342.295987] 3*1024kB [ 342.300415] ? oom_killer_disable+0x3a0/0x3a0 [ 342.303063] (UM) [ 342.307046] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 342.309434] 3*2048kB [ 342.313935] ? __mutex_add_waiter+0x2a0/0x2a0 [ 342.315976] (UM) [ 342.320923] __alloc_pages_slowpath+0x22d4/0x2d70 [ 342.323310] 3*4096kB [ 342.327844] ? warn_alloc+0x120/0x120 [ 342.329849] (M) [ 342.334709] ? rcu_softirq_qs+0x20/0x20 [ 342.337094] = 24860kB [ 342.340919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.342854] Node 0 [ 342.346840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.349229] Normal: [ 342.354773] ? should_fail+0x22d/0xd01 [ 342.357477] 767*4kB [ 342.363029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.365349] (UME) [ 342.369245] ? zap_class+0x640/0x640 [ 342.371545] 454*8kB [ 342.376669] ? __lock_is_held+0xb5/0x140 [ 342.378774] (ME) [ 342.382500] ? mark_held_locks+0x130/0x130 [ 342.384799] 185*16kB [ 342.388866] ? lock_release+0xa00/0xa00 [ 342.390904] (UME) [ 342.395142] ? perf_trace_sched_process_exec+0x860/0x860 [ 342.397535] 80*32kB [ 342.401525] ? __might_sleep+0x95/0x190 [ 342.403652] (UME) [ 342.409112] __alloc_pages_nodemask+0xa80/0xde0 [ 342.411409] 22*64kB [ 342.415402] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 342.417526] (M) [ 342.422208] ? __page_cache_alloc+0x191/0x5c0 [ 342.424509] 1*128kB [ 342.429531] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 342.431478] (U) [ 342.435977] ? kasan_check_read+0x11/0x20 [ 342.435998] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.438321] 1*256kB [ 342.443258] ? zap_class+0x640/0x640 [ 342.445209] (U) [ 342.449362] ? zap_class+0x640/0x640 [ 342.454615] 0*512kB 0*1024kB [ 342.456960] ? zap_class+0x640/0x640 [ 342.460668] 0*2048kB [ 342.462648] ? __do_page_cache_readahead+0x7ce/0x980 [ 342.466341] 0*4096kB [ 342.469449] ? find_held_lock+0x36/0x1c0 [ 342.473152] = 14012kB [ 342.475585] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 342.480676] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 342.483112] alloc_pages_current+0x173/0x350 [ 342.487170] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 342.489584] __page_cache_alloc+0x38c/0x5c0 [ 342.495095] 163 total pagecache pages [ 342.503942] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 342.508356] 0 pages in swap cache [ 342.516940] ? kasan_check_read+0x11/0x20 [ 342.521241] Swap cache stats: add 0, delete 0, find 0/0 [ 342.525057] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.529981] Free swap = 0kB [ 342.533444] ? generic_perform_write+0x6a0/0x6a0 [ 342.537576] Total swap = 0kB [ 342.542950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.548207] 1965979 pages RAM [ 342.551231] ? check_preemption_disabled+0x48/0x280 [ 342.555953] 0 pages HighMem/MovableOnly [ 342.555963] 342867 pages reserved [ 342.558997] filemap_fault+0x1594/0x25f0 [ 342.564518] 0 pages cma reserved [ 342.567645] ? __lock_page_or_retry+0xa00/0xa00 [ 342.572714] aoe: skb alloc failure [ 342.576622] ? mark_held_locks+0x130/0x130 [ 342.576643] ? rcu_softirq_qs+0x20/0x20 [ 342.580182] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.584162] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 342.587505] ksoftirqd/0 cpuset= [ 342.592181] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 342.595693] / [ 342.599939] ? trace_hardirqs_on+0xbd/0x310 [ 342.603897] mems_allowed=0 [ 342.614217] ? filemap_map_pages+0xe04/0x1990 [ 342.640617] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 342.645732] ? __free_object+0x173/0x340 [ 342.649833] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 342.654781] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.659902] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 342.664595] ? debug_object_free+0x32d/0x690 [ 342.669011] ? kasan_check_read+0x11/0x20 [ 342.673180] ? debug_object_destroy+0x2b0/0x2b0 [ 342.677868] ? lock_pi_update_atomic+0x150/0x150 [ 342.682631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.688177] ? __hrtimer_init+0xdb/0x240 [ 342.692265] ? lock_acquire+0x1ed/0x520 [ 342.696256] ? ext4_filemap_fault+0x7a/0xad [ 342.700601] ? lock_release+0xa00/0xa00 [ 342.704582] ? perf_trace_sched_process_exec+0x860/0x860 [ 342.710052] ? print_usage_bug+0xc0/0xc0 [ 342.714127] ? print_usage_bug+0xc0/0xc0 [ 342.718202] ? down_read+0x8d/0x120 [ 342.721852] ? ext4_filemap_fault+0x7a/0xad [ 342.726187] ? __down_interruptible+0x700/0x700 [ 342.730881] ext4_filemap_fault+0x82/0xad [ 342.735044] __do_fault+0x100/0x6b0 [ 342.738685] ? pmd_devmap_trans_unstable+0x220/0x220 [ 342.743806] ? mark_held_locks+0x130/0x130 [ 342.748068] ? mark_held_locks+0x130/0x130 [ 342.752433] ? debug_smp_processor_id+0x1c/0x20 [ 342.757115] ? perf_trace_lock+0x14d/0x7a0 [ 342.761364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.766927] __handle_mm_fault+0x307c/0x5920 [ 342.771349] ? perf_trace_lock+0x7a0/0x7a0 [ 342.775603] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 342.780455] ? lock_is_held_type+0x210/0x210 [ 342.784892] ? ksys_dup3+0x680/0x680 [ 342.788638] ? zap_class+0x640/0x640 [ 342.792357] ? zap_class+0x640/0x640 [ 342.796075] ? __x64_sys_futex+0x53e/0x6a0 [ 342.800330] ? find_held_lock+0x36/0x1c0 [ 342.804420] ? handle_mm_fault+0x42a/0xc70 [ 342.808671] ? lock_downgrade+0x900/0x900 [ 342.812831] ? check_preemption_disabled+0x48/0x280 [ 342.817869] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 342.822818] ? kasan_check_read+0x11/0x20 [ 342.826995] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.832301] ? rcu_softirq_qs+0x20/0x20 [ 342.836304] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.841426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.846982] ? check_preemption_disabled+0x48/0x280 [ 342.852024] handle_mm_fault+0x54f/0xc70 [ 342.856113] ? __handle_mm_fault+0x5920/0x5920 [ 342.860716] ? find_vma+0x34/0x190 [ 342.864276] __do_page_fault+0x5e8/0xe60 [ 342.868359] ? trace_hardirqs_off+0xb8/0x310 [ 342.872773] ? kernel_write+0x120/0x120 [ 342.876765] do_page_fault+0xf2/0x7e0 [ 342.880585] ? vmalloc_sync_all+0x30/0x30 [ 342.884748] ? error_entry+0x70/0xd0 [ 342.888474] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.893504] ? trace_hardirqs_on_caller+0xc0/0x310 [ 342.898450] ? syscall_return_slowpath+0x5e0/0x5e0 [ 342.903400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.908254] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.913297] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 342.918788] ? prepare_exit_to_usermode+0x291/0x3b0 [ 342.923846] ? page_fault+0x8/0x30 [ 342.927400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.932291] ? page_fault+0x8/0x30 [ 342.935859] page_fault+0x1e/0x30 [ 342.939330] RIP: 0033:0x45ddf3 [ 342.942543] Code: Bad RIP value. [ 342.945906] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 342.951277] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 342.958657] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 342.965942] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 342.973224] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 342.980507] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 342.987817] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 342.988128] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.994332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.994344] Call Trace: [ 343.004581] syz-fuzzer cpuset= [ 343.013999] dump_stack+0x244/0x39d [ 343.016570] / [ 343.019767] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.023375] mems_allowed=0 [ 343.025094] warn_alloc.cold.117+0xb7/0x1bd [ 343.037520] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.042381] ? lock_downgrade+0x900/0x900 [ 343.046542] ? trace_hardirqs_off+0xb8/0x310 [ 343.050995] ? trace_hardirqs_off+0xb8/0x310 [ 343.055422] __alloc_pages_slowpath+0x2660/0x2d70 [ 343.060302] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 343.066114] ? warn_alloc+0x120/0x120 [ 343.069944] ? warn_alloc+0x120/0x120 [ 343.073758] ? print_usage_bug+0xc0/0xc0 [ 343.077829] ? warn_alloc+0x120/0x120 [ 343.081643] ? print_usage_bug+0xc0/0xc0 [ 343.085721] ? mark_held_locks+0x130/0x130 [ 343.089978] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.095529] ? should_fail+0x22d/0xd01 [ 343.099427] ? zap_class+0x640/0x640 [ 343.103150] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.108274] ? __lock_acquire+0x62f/0x4c20 [ 343.112547] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.117668] ? __lock_acquire+0x62f/0x4c20 [ 343.121912] ? should_fail+0x22d/0xd01 [ 343.125821] ? mark_held_locks+0x130/0x130 [ 343.130085] ? mark_held_locks+0x130/0x130 [ 343.134344] ? lock_downgrade+0x900/0x900 [ 343.138512] ? zap_class+0x640/0x640 [ 343.142232] ? zap_class+0x640/0x640 [ 343.145948] ? do_raw_spin_unlock+0xa7/0x330 [ 343.150366] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 343.155140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.160683] ? check_preemption_disabled+0x48/0x280 [ 343.165714] ? __lock_is_held+0xb5/0x140 [ 343.169790] __alloc_pages_nodemask+0xa80/0xde0 [ 343.174479] ? zap_class+0x640/0x640 [ 343.178230] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 343.183259] ? find_held_lock+0x36/0x1c0 [ 343.187346] ? ____cache_alloc_node+0x1c7/0x1e0 [ 343.192034] ? lock_downgrade+0x900/0x900 [ 343.196195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.201745] cache_grow_begin+0xa5/0x8c0 [ 343.205812] ? do_raw_spin_unlock+0xa7/0x330 [ 343.210249] fallback_alloc+0x204/0x2e0 [ 343.214247] ____cache_alloc_node+0x1c7/0x1e0 [ 343.218750] kmem_cache_alloc_node+0xe3/0x730 [ 343.223251] ? lockdep_hardirqs_on+0x296/0x5b0 [ 343.227864] __alloc_skb+0x119/0x770 [ 343.231590] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 343.236966] ? netdev_alloc_frag+0x1f0/0x1f0 [ 343.241394] ? vprintk_default+0x28/0x30 [ 343.245460] ? vprintk_func+0x85/0x181 [ 343.249372] ? printk+0xa7/0xcf [ 343.252658] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 343.257428] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 343.262566] new_skb+0x26/0x1c0 [ 343.265853] aoecmd_cfg+0x279/0x7f0 [ 343.269503] ? find_held_lock+0x36/0x1c0 [ 343.273583] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 343.277923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.283489] ? __lock_is_held+0xb5/0x140 [ 343.287575] discover_timer+0x50/0x60 [ 343.291411] call_timer_fn+0x272/0x920 [ 343.295334] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 343.300199] ? process_timeout+0x40/0x40 [ 343.304279] ? __run_timers+0x7da/0xc70 [ 343.308279] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.312812] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.317330] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 343.322180] ? lockdep_hardirqs_on+0x296/0x5b0 [ 343.326768] ? trace_hardirqs_on+0xbd/0x310 [ 343.331102] ? kasan_check_read+0x11/0x20 [ 343.335263] ? __run_timers+0x7da/0xc70 [ 343.339251] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.344383] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 343.349244] __run_timers+0x7e5/0xc70 [ 343.353072] ? timer_fixup_init+0x70/0x70 [ 343.357230] ? compat_start_thread+0x80/0x80 [ 343.361649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.367197] ? _raw_spin_unlock_irq+0x60/0x80 [ 343.371716] ? finish_task_switch+0x1f4/0x910 [ 343.376230] ? finish_task_switch+0x1b4/0x910 [ 343.380729] ? __switch_to_asm+0x34/0x70 [ 343.384800] ? preempt_notifier_register+0x200/0x200 [ 343.389919] ? __switch_to_asm+0x34/0x70 [ 343.393986] ? __switch_to_asm+0x40/0x70 [ 343.398052] ? __switch_to_asm+0x34/0x70 [ 343.402114] ? __switch_to_asm+0x40/0x70 [ 343.406182] ? __switch_to_asm+0x34/0x70 [ 343.410465] ? __switch_to_asm+0x40/0x70 [ 343.414550] ? __switch_to_asm+0x40/0x70 [ 343.418636] ? pvclock_read_flags+0x160/0x160 [ 343.423150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.428708] ? check_preemption_disabled+0x48/0x280 [ 343.433760] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 343.439315] ? rcu_pm_notify+0xc0/0xc0 [ 343.443216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.448764] ? check_preemption_disabled+0x48/0x280 [ 343.453802] run_timer_softirq+0x52/0xb0 [ 343.457869] ? rcu_read_lock_sched_held+0x14f/0x180 [ 343.462888] __do_softirq+0x308/0xb7e [ 343.466986] ? retint_kernel+0x2d/0x2d [ 343.470894] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 343.476023] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 343.481493] ? schedule+0x108/0x460 [ 343.485125] ? __schedule+0x21d0/0x21d0 [ 343.489115] ? trace_hardirqs_off+0xb8/0x310 [ 343.493535] ? smpboot_thread_fn+0x68b/0xa00 [ 343.497964] ? trace_hardirqs_on+0x310/0x310 [ 343.502385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.507932] ? check_preemption_disabled+0x48/0x280 [ 343.512968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.518516] ? takeover_tasklets+0xa90/0xa90 [ 343.522929] run_ksoftirqd+0x5e/0x100 [ 343.526736] smpboot_thread_fn+0x68b/0xa00 [ 343.530990] ? sort_range+0x30/0x30 [ 343.534631] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 343.539762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.545317] ? __kthread_parkme+0xfb/0x1a0 [ 343.549577] kthread+0x35a/0x420 [ 343.552956] ? sort_range+0x30/0x30 [ 343.556593] ? kthread_stop+0x900/0x900 [ 343.560575] ret_from_fork+0x3a/0x50 [ 343.564311] Mem-Info: [ 343.564324] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 343.564339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.566758] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 343.566758] active_file:13 inactive_file:12 isolated_file:0 [ 343.566758] unevictable:0 dirty:0 writeback:0 unstable:0 [ 343.566758] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 343.566758] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 343.566758] free:13679 free_pcp:387 free_cma:0 [ 343.573417] Call Trace: [ 343.582826] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 343.615699] [ 343.618299] Node 0 [ 343.645815] dump_stack+0x244/0x39d [ 343.647978] 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 [ 343.650204] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.653802] lowmem_reserve[]: 0 [ 343.679353] warn_alloc.cold.117+0xb7/0x1bd [ 343.684525] 2818 [ 343.687813] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.692108] 6321 6321 [ 343.694198] ? lock_downgrade+0x900/0x900 [ 343.699023] Node 0 [ 343.701542] ? trace_hardirqs_off+0xb8/0x310 [ 343.705692] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 343.707919] ? trace_hardirqs_off+0xb8/0x310 [ 343.712304] lowmem_reserve[]: 0 [ 343.739350] __alloc_pages_slowpath+0x2660/0x2d70 [ 343.743748] 0 [ 343.747059] ? warn_alloc+0x120/0x120 [ 343.751845] 3503 3503 [ 343.753665] ? find_held_lock+0x36/0x1c0 [ 343.757449] Node 0 [ 343.759958] ? warn_alloc+0x120/0x120 [ 343.764022] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 343.766234] ? print_usage_bug+0xc0/0xc0 [ 343.770000] lowmem_reserve[]: 0 [ 343.798401] ? warn_alloc+0x120/0x120 [ 343.802455] 0 [ 343.805756] ? print_usage_bug+0xc0/0xc0 [ 343.809530] 0 [ 343.811350] ? check_preemption_disabled+0x48/0x280 [ 343.815394] 0 [ 343.817206] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 343.822222] Node 0 [ 343.824045] ? kasan_check_read+0x11/0x20 [ 343.828948] DMA: [ 343.831193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.835314] 1*4kB [ 343.837381] ? should_fail+0x22d/0xd01 [ 343.842897] (U) 0*8kB [ 343.845072] ? rcu_softirq_qs+0x20/0x20 [ 343.848934] 0*16kB [ 343.851430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.855378] 1*32kB (U) [ 343.857631] ? __lock_acquire+0x62f/0x4c20 [ 343.862708] 2*64kB (U) [ 343.865321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.869537] 1*128kB [ 343.872120] ? __lock_acquire+0x62f/0x4c20 [ 343.877200] (U) 1*256kB [ 343.879550] ? should_fail+0x22d/0xd01 [ 343.883754] (U) 0*512kB [ 343.886443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.890310] 1*1024kB [ 343.892989] ? mark_held_locks+0x130/0x130 [ 343.898500] (U) 1*2048kB [ 343.900945] ? mark_held_locks+0x130/0x130 [ 343.905142] (M) 3*4096kB [ 343.907914] ? try_to_wake_up+0x10a/0x12e0 [ 343.912119] (M) = 15908kB [ 343.914893] ? zap_class+0x640/0x640 [ 343.919103] Node 0 [ 343.921866] ? print_usage_bug+0xc0/0xc0 [ 343.925557] DMA32: [ 343.927796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.931863] 5*4kB [ 343.934120] ? check_preemption_disabled+0x48/0x280 [ 343.939631] (M) [ 343.941792] ? __lock_is_held+0xb5/0x140 [ 343.946798] 1*8kB [ 343.948807] __alloc_pages_nodemask+0xa80/0xde0 [ 343.952836] (U) [ 343.954990] ? zap_class+0x640/0x640 [ 343.959638] 4*16kB [ 343.961630] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 343.965340] (M) [ 343.967597] ? find_held_lock+0x36/0x1c0 [ 343.972582] 2*32kB (M) [ 343.974576] ? ____cache_alloc_node+0x1c7/0x1e0 [ 343.978598] 4*64kB (UM) [ 343.981196] ? lock_downgrade+0x900/0x900 [ 343.985841] 3*128kB (M) [ 343.988537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.992652] 4*256kB (UM) [ 343.995341] cache_grow_begin+0xa5/0x8c0 [ 344.000858] 3*512kB (M) [ 344.003636] ? do_raw_spin_unlock+0xa7/0x330 [ 344.007675] 3*1024kB [ 344.010358] fallback_alloc+0x204/0x2e0 [ 344.014738] (UM) [ 344.017161] ____cache_alloc_node+0x1c7/0x1e0 [ 344.021107] 3*2048kB (UM) [ 344.023195] kmem_cache_alloc_node+0xe3/0x730 [ 344.027663] 3*4096kB [ 344.030510] ? ipv6_get_ifaddr+0x42e/0x620 [ 344.034982] (M) [ 344.037427] __alloc_skb+0x119/0x770 [ 344.041635] = 24860kB [ 344.043617] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.047312] Node 0 [ 344.049728] ? netdev_alloc_frag+0x1f0/0x1f0 [ 344.054985] Normal: [ 344.057227] ? lock_downgrade+0x900/0x900 [ 344.061612] 767*4kB [ 344.063955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.068072] (UME) [ 344.070403] ? refcount_sub_and_test_checked+0x203/0x310 [ 344.075916] 454*8kB (ME) [ 344.078094] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 344.083507] 185*16kB (UME) [ 344.086304] ? addrconf_rs_timer+0x690/0x690 [ 344.091731] 80*32kB (UME) [ 344.094703] ndisc_alloc_skb+0x144/0x340 [ 344.099081] 22*64kB [ 344.101933] ndisc_send_rs+0x331/0x6e0 [ 344.105964] (M) [ 344.108303] addrconf_rs_timer+0x314/0x690 [ 344.112164] 1*128kB (U) [ 344.114163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.118365] 1*256kB (U) [ 344.121069] call_timer_fn+0x272/0x920 [ 344.125265] 0*512kB 0*1024kB [ 344.127964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.131829] 0*2048kB 0*4096kB [ 344.134955] ? process_timeout+0x40/0x40 [ 344.139167] = 14012kB [ 344.142373] ? mark_held_locks+0xc7/0x130 [ 344.146417] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 344.148839] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.152956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 344.152966] 163 total pagecache pages [ 344.161809] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.166305] 0 pages in swap cache [ 344.174892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.178669] Swap cache stats: add 0, delete 0, find 0/0 [ 344.178678] Free swap = 0kB [ 344.183183] ? lockdep_hardirqs_on+0x296/0x5b0 [ 344.186619] Total swap = 0kB [ 344.190863] ? trace_hardirqs_on+0xbd/0x310 [ 344.196214] 1965979 pages RAM [ 344.199236] ? kasan_check_read+0x11/0x20 [ 344.203798] 0 pages HighMem/MovableOnly [ 344.203808] 342867 pages reserved [ 344.206847] ? __run_timers+0x7da/0xc70 [ 344.211141] 0 pages cma reserved [ 344.214262] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.218491] aoe: skb alloc failure [ 344.222396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.225881] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 344.229834] __run_timers+0x7e5/0xc70 [ 344.233186] ksoftirqd/0 cpuset= [ 344.238310] ? timer_fixup_init+0x70/0x70 [ 344.241822] / [ 344.246072] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 344.256369] mems_allowed=0 [ 344.260175] ? zap_class+0x640/0x640 [ 344.280987] ? print_usage_bug+0xc0/0xc0 [ 344.285063] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 344.290266] ? find_held_lock+0x36/0x1c0 [ 344.294374] ? zap_class+0x640/0x640 [ 344.298111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.303654] ? check_preemption_disabled+0x48/0x280 [ 344.308687] ? __lock_is_held+0xb5/0x140 [ 344.312761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.318331] ? check_preemption_disabled+0x48/0x280 [ 344.323364] run_timer_softirq+0x52/0xb0 [ 344.327436] ? rcu_read_lock_sched_held+0x14f/0x180 [ 344.332470] __do_softirq+0x308/0xb7e [ 344.336299] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 344.340803] ? lock_downgrade+0x900/0x900 [ 344.344962] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 344.350090] ? pvclock_read_flags+0x160/0x160 [ 344.354607] ? lapic_next_event+0x5a/0x90 [ 344.359141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.364701] ? kvm_clock_read+0x18/0x30 [ 344.368691] ? kvm_sched_clock_read+0x9/0x20 [ 344.373116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.378660] ? check_preemption_disabled+0x48/0x280 [ 344.383694] irq_exit+0x17f/0x1c0 [ 344.387186] smp_apic_timer_interrupt+0x1cb/0x760 [ 344.392041] ? smp_reschedule_interrupt+0x109/0x650 [ 344.397067] ? smp_call_function_single_interrupt+0x650/0x650 [ 344.402966] ? interrupt_entry+0xb5/0xc0 [ 344.407042] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.412065] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.417086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.421952] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.426980] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.432007] ? task_prio+0x50/0x50 [ 344.435555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.441111] ? check_preemption_disabled+0x48/0x280 [ 344.446145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.451024] apic_timer_interrupt+0xf/0x20 [ 344.455267] [ 344.457525] RIP: 0010:dump_stack+0x358/0x39d [ 344.461939] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 344.480863] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 344.488613] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 344.495901] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 344.503182] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 344.510465] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 344.517747] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 344.525049] ? dump_stack+0x34f/0x39d [ 344.528889] ? dump_stack_print_info.cold.1+0x20/0x20 [ 344.534120] dump_header+0x27b/0xf72 [ 344.537860] ? mark_held_locks+0x130/0x130 [ 344.542102] ? pagefault_out_of_memory+0x197/0x197 [ 344.547058] ? __lock_acquire+0x62f/0x4c20 [ 344.551313] ? zap_class+0x640/0x640 [ 344.555042] ? percpu_ref_get_many+0x240/0x240 [ 344.559631] ? print_usage_bug+0xc0/0xc0 [ 344.563699] ? print_usage_bug+0xc0/0xc0 [ 344.567787] ? zap_class+0x640/0x640 [ 344.571514] ? print_usage_bug+0xc0/0xc0 [ 344.575576] ? print_usage_bug+0xc0/0xc0 [ 344.579650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.585207] ? find_held_lock+0x36/0x1c0 [ 344.589295] ? mark_held_locks+0xc7/0x130 [ 344.593458] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 344.598570] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 344.603691] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 344.608298] ? trace_hardirqs_on+0xbd/0x310 [ 344.612627] ? kasan_check_read+0x11/0x20 [ 344.616782] ? ___ratelimit+0x3b4/0x672 [ 344.620775] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.625891] ? trace_hardirqs_on+0x310/0x310 [ 344.630316] ? lock_downgrade+0x900/0x900 [ 344.634478] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 344.639597] ? ___ratelimit+0x3b9/0x672 [ 344.643581] ? idr_get_free+0xec0/0xec0 [ 344.647559] ? find_held_lock+0x36/0x1c0 [ 344.651636] oom_kill_process.cold.27+0x10/0x903 [ 344.656413] ? zap_class+0x640/0x640 [ 344.660135] ? check_preemption_disabled+0x48/0x280 [ 344.665164] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.670121] ? kasan_check_read+0x11/0x20 [ 344.674302] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.679596] ? oom_evaluate_task+0x540/0x540 [ 344.684016] ? find_held_lock+0x36/0x1c0 [ 344.688101] ? out_of_memory+0x974/0x1430 [ 344.692278] ? lock_downgrade+0x900/0x900 [ 344.696446] ? check_preemption_disabled+0x48/0x280 [ 344.701479] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.706417] ? kasan_check_read+0x11/0x20 [ 344.710583] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.715888] ? rcu_softirq_qs+0x20/0x20 [ 344.719873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.725419] ? oom_evaluate_task+0x302/0x540 [ 344.729867] out_of_memory+0xa84/0x1430 [ 344.733863] ? oom_killer_disable+0x3a0/0x3a0 [ 344.738369] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 344.743316] ? __mutex_add_waiter+0x2a0/0x2a0 [ 344.747849] __alloc_pages_slowpath+0x22d4/0x2d70 [ 344.752738] ? warn_alloc+0x120/0x120 [ 344.756548] ? rcu_softirq_qs+0x20/0x20 [ 344.760553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.766113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.771663] ? should_fail+0x22d/0xd01 [ 344.775562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.780679] ? zap_class+0x640/0x640 [ 344.784452] ? __lock_is_held+0xb5/0x140 [ 344.788538] ? mark_held_locks+0x130/0x130 [ 344.792783] ? lock_release+0xa00/0xa00 [ 344.796769] ? perf_trace_sched_process_exec+0x860/0x860 [ 344.802239] ? __might_sleep+0x95/0x190 [ 344.806238] __alloc_pages_nodemask+0xa80/0xde0 [ 344.810928] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 344.815954] ? __page_cache_alloc+0x191/0x5c0 [ 344.820459] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.825404] ? kasan_check_read+0x11/0x20 [ 344.829572] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.834861] ? zap_class+0x640/0x640 [ 344.838595] ? zap_class+0x640/0x640 [ 344.842330] ? zap_class+0x640/0x640 [ 344.846051] ? __do_page_cache_readahead+0x7ce/0x980 [ 344.851163] ? find_held_lock+0x36/0x1c0 [ 344.855240] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 344.860798] alloc_pages_current+0x173/0x350 [ 344.865229] __page_cache_alloc+0x38c/0x5c0 [ 344.869556] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 344.874494] ? kasan_check_read+0x11/0x20 [ 344.878656] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.883941] ? generic_perform_write+0x6a0/0x6a0 [ 344.888708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.894263] ? check_preemption_disabled+0x48/0x280 [ 344.899322] filemap_fault+0x1594/0x25f0 [ 344.903415] ? __lock_page_or_retry+0xa00/0xa00 [ 344.908096] ? mark_held_locks+0x130/0x130 [ 344.912365] ? rcu_softirq_qs+0x20/0x20 [ 344.916351] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 344.921465] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 344.926056] ? trace_hardirqs_on+0xbd/0x310 [ 344.930395] ? filemap_map_pages+0xe04/0x1990 [ 344.934907] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 344.940016] ? __free_object+0x173/0x340 [ 344.944089] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 344.949033] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.954144] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 344.958853] ? debug_object_free+0x32d/0x690 [ 344.963293] ? kasan_check_read+0x11/0x20 [ 344.967466] ? debug_object_destroy+0x2b0/0x2b0 [ 344.972148] ? lock_pi_update_atomic+0x150/0x150 [ 344.976911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.982464] ? __hrtimer_init+0xdb/0x240 [ 344.986545] ? lock_acquire+0x1ed/0x520 [ 344.990525] ? ext4_filemap_fault+0x7a/0xad [ 344.994862] ? lock_release+0xa00/0xa00 [ 344.998870] ? perf_trace_sched_process_exec+0x860/0x860 [ 345.004338] ? print_usage_bug+0xc0/0xc0 [ 345.008407] ? print_usage_bug+0xc0/0xc0 [ 345.012490] ? down_read+0x8d/0x120 [ 345.016127] ? ext4_filemap_fault+0x7a/0xad [ 345.020462] ? __down_interruptible+0x700/0x700 [ 345.025150] ext4_filemap_fault+0x82/0xad [ 345.029315] __do_fault+0x100/0x6b0 [ 345.032958] ? pmd_devmap_trans_unstable+0x220/0x220 [ 345.038082] ? mark_held_locks+0x130/0x130 [ 345.042341] ? mark_held_locks+0x130/0x130 [ 345.046585] ? debug_smp_processor_id+0x1c/0x20 [ 345.051277] ? perf_trace_lock+0x14d/0x7a0 [ 345.055538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.061088] __handle_mm_fault+0x307c/0x5920 [ 345.065504] ? perf_trace_lock+0x7a0/0x7a0 [ 345.069777] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 345.074664] ? lock_is_held_type+0x210/0x210 [ 345.079087] ? ksys_dup3+0x680/0x680 [ 345.082823] ? zap_class+0x640/0x640 [ 345.086547] ? zap_class+0x640/0x640 [ 345.090267] ? __x64_sys_futex+0x53e/0x6a0 [ 345.094518] ? find_held_lock+0x36/0x1c0 [ 345.098598] ? handle_mm_fault+0x42a/0xc70 [ 345.102845] ? lock_downgrade+0x900/0x900 [ 345.107006] ? check_preemption_disabled+0x48/0x280 [ 345.112048] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 345.116983] ? kasan_check_read+0x11/0x20 [ 345.121168] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.126458] ? rcu_softirq_qs+0x20/0x20 [ 345.130444] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.135556] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.141124] ? check_preemption_disabled+0x48/0x280 [ 345.146163] handle_mm_fault+0x54f/0xc70 [ 345.150239] ? __handle_mm_fault+0x5920/0x5920 [ 345.154860] ? find_vma+0x34/0x190 [ 345.158423] __do_page_fault+0x5e8/0xe60 [ 345.162499] ? trace_hardirqs_off+0xb8/0x310 [ 345.166909] ? kernel_write+0x120/0x120 [ 345.170906] do_page_fault+0xf2/0x7e0 [ 345.174724] ? vmalloc_sync_all+0x30/0x30 [ 345.178888] ? error_entry+0x70/0xd0 [ 345.182610] ? trace_hardirqs_off_caller+0xbb/0x310 [ 345.187631] ? trace_hardirqs_on_caller+0xc0/0x310 [ 345.192573] ? syscall_return_slowpath+0x5e0/0x5e0 [ 345.197522] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.202377] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.207400] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.212897] ? prepare_exit_to_usermode+0x291/0x3b0 [ 345.217922] ? page_fault+0x8/0x30 [ 345.221492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.226352] ? page_fault+0x8/0x30 [ 345.229918] page_fault+0x1e/0x30 [ 345.233418] RIP: 0033:0x45ddf3 [ 345.236623] Code: Bad RIP value. [ 345.239989] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 345.245359] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 345.252638] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 345.259915] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 345.267207] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 345.274485] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 345.281796] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 345.281871] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 345.288329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.288343] Call Trace: [ 345.288366] dump_stack+0x244/0x39d [ 345.288383] ? dump_stack_print_info.cold.1+0x20/0x20 [ 345.288414] warn_alloc.cold.117+0xb7/0x1bd [ 345.294947] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 345.304257] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 345.306831] syz-fuzzer cpuset= [ 345.310458] ? lock_downgrade+0x900/0x900 [ 345.315631] / [ 345.319964] ? trace_hardirqs_off+0xb8/0x310 [ 345.330164] mems_allowed=0 [ 345.351377] ? trace_hardirqs_off+0xb8/0x310 [ 345.355813] __alloc_pages_slowpath+0x2660/0x2d70 [ 345.360691] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 345.366501] ? warn_alloc+0x120/0x120 [ 345.370333] ? warn_alloc+0x120/0x120 [ 345.374150] ? print_usage_bug+0xc0/0xc0 [ 345.378230] ? warn_alloc+0x120/0x120 [ 345.382042] ? print_usage_bug+0xc0/0xc0 [ 345.386140] ? mark_held_locks+0x130/0x130 [ 345.390384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.395934] ? should_fail+0x22d/0xd01 [ 345.399828] ? zap_class+0x640/0x640 [ 345.403551] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.408666] ? __lock_acquire+0x62f/0x4c20 [ 345.412911] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.418042] ? __lock_acquire+0x62f/0x4c20 [ 345.422300] ? should_fail+0x22d/0xd01 [ 345.426214] ? mark_held_locks+0x130/0x130 [ 345.430461] ? mark_held_locks+0x130/0x130 [ 345.434702] ? lock_downgrade+0x900/0x900 [ 345.438869] ? zap_class+0x640/0x640 [ 345.442612] ? zap_class+0x640/0x640 [ 345.446339] ? zap_class+0x640/0x640 [ 345.450058] ? do_raw_spin_unlock+0xa7/0x330 [ 345.454476] ? trace_hardirqs_on+0x310/0x310 [ 345.458900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.464844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.470396] ? check_preemption_disabled+0x48/0x280 [ 345.475431] ? __lock_is_held+0xb5/0x140 [ 345.479513] __alloc_pages_nodemask+0xa80/0xde0 [ 345.484192] ? zap_class+0x640/0x640 [ 345.487915] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 345.492948] ? find_held_lock+0x36/0x1c0 [ 345.497028] ? ____cache_alloc_node+0x1c7/0x1e0 [ 345.501716] ? lock_downgrade+0x900/0x900 [ 345.505878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.511431] cache_grow_begin+0xa5/0x8c0 [ 345.515499] ? do_raw_spin_unlock+0xa7/0x330 [ 345.519928] fallback_alloc+0x204/0x2e0 [ 345.523926] ____cache_alloc_node+0x1c7/0x1e0 [ 345.528436] kmem_cache_alloc_node+0xe3/0x730 [ 345.532938] ? lockdep_hardirqs_on+0x296/0x5b0 [ 345.537536] __alloc_skb+0x119/0x770 [ 345.541266] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 345.546666] ? netdev_alloc_frag+0x1f0/0x1f0 [ 345.551097] ? vprintk_default+0x28/0x30 [ 345.555172] ? vprintk_func+0x85/0x181 [ 345.559081] ? printk+0xa7/0xcf [ 345.562393] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 345.567184] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 345.572333] new_skb+0x26/0x1c0 [ 345.575628] aoecmd_cfg+0x279/0x7f0 [ 345.579264] ? find_held_lock+0x36/0x1c0 [ 345.583368] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 345.587710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.593270] ? __lock_is_held+0xb5/0x140 [ 345.597364] discover_timer+0x50/0x60 [ 345.601182] call_timer_fn+0x272/0x920 [ 345.605103] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.609971] ? process_timeout+0x40/0x40 [ 345.614055] ? __run_timers+0x7da/0xc70 [ 345.618040] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.622560] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.627099] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.631993] ? lockdep_hardirqs_on+0x296/0x5b0 [ 345.636593] ? trace_hardirqs_on+0xbd/0x310 [ 345.640944] ? kasan_check_read+0x11/0x20 [ 345.645104] ? __run_timers+0x7da/0xc70 [ 345.649100] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.654242] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.659093] __run_timers+0x7e5/0xc70 [ 345.662910] ? timer_fixup_init+0x70/0x70 [ 345.667093] ? compat_start_thread+0x80/0x80 [ 345.671522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.677074] ? _raw_spin_unlock_irq+0x60/0x80 [ 345.681584] ? finish_task_switch+0x1f4/0x910 [ 345.686102] ? finish_task_switch+0x1b4/0x910 [ 345.690620] ? __switch_to_asm+0x34/0x70 [ 345.694696] ? preempt_notifier_register+0x200/0x200 [ 345.699808] ? __switch_to_asm+0x34/0x70 [ 345.703884] ? __switch_to_asm+0x40/0x70 [ 345.707950] ? __switch_to_asm+0x34/0x70 [ 345.712028] ? __switch_to_asm+0x40/0x70 [ 345.716091] ? __switch_to_asm+0x34/0x70 [ 345.720153] ? __switch_to_asm+0x40/0x70 [ 345.724235] ? __switch_to_asm+0x40/0x70 [ 345.728319] ? pvclock_read_flags+0x160/0x160 [ 345.732845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.738401] ? check_preemption_disabled+0x48/0x280 [ 345.743441] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 345.749024] ? rcu_pm_notify+0xc0/0xc0 [ 345.752934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.758487] ? check_preemption_disabled+0x48/0x280 [ 345.763514] run_timer_softirq+0x52/0xb0 [ 345.767578] ? rcu_read_lock_sched_held+0x14f/0x180 [ 345.772607] __do_softirq+0x308/0xb7e [ 345.776424] ? retint_kernel+0x2d/0x2d [ 345.780356] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 345.785469] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.790938] ? schedule+0x108/0x460 [ 345.794576] ? __schedule+0x21d0/0x21d0 [ 345.798560] ? trace_hardirqs_off+0xb8/0x310 [ 345.802977] ? smpboot_thread_fn+0x68b/0xa00 [ 345.807391] ? trace_hardirqs_on+0x310/0x310 [ 345.811819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.817366] ? check_preemption_disabled+0x48/0x280 [ 345.822390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.827939] ? takeover_tasklets+0xa90/0xa90 [ 345.832374] run_ksoftirqd+0x5e/0x100 [ 345.836195] smpboot_thread_fn+0x68b/0xa00 [ 345.840451] ? sort_range+0x30/0x30 [ 345.844087] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 345.849214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.854766] ? __kthread_parkme+0xfb/0x1a0 [ 345.859058] kthread+0x35a/0x420 [ 345.862430] ? sort_range+0x30/0x30 [ 345.866057] ? kthread_stop+0x900/0x900 [ 345.870046] ret_from_fork+0x3a/0x50 [ 345.873793] warn_alloc_show_mem: 1 callbacks suppressed [ 345.873806] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 345.873808] Mem-Info: [ 345.873839] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 345.873839] active_file:13 inactive_file:12 isolated_file:0 [ 345.873839] unevictable:0 dirty:0 writeback:0 unstable:0 [ 345.873839] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 345.873839] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 345.873839] free:13679 free_pcp:387 free_cma:0 [ 345.879189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.879198] Call Trace: [ 345.885884] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 345.888307] [ 345.921290] Node 0 [ 345.930668] dump_stack+0x244/0x39d [ 345.933267] 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 [ 345.960783] ? dump_stack_print_info.cold.1+0x20/0x20 [ 345.962922] lowmem_reserve[]: [ 345.965179] warn_alloc.cold.117+0xb7/0x1bd [ 345.968770] 0 [ 345.994301] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 345.999482] 2818 [ 346.002597] ? lock_downgrade+0x900/0x900 [ 346.006897] 6321 [ 346.008708] ? trace_hardirqs_off+0xb8/0x310 [ 346.013542] 6321 [ 346.015616] ? trace_hardirqs_off+0xb8/0x310 [ 346.019746] Node 0 [ 346.021834] __alloc_pages_slowpath+0x2660/0x2d70 [ 346.026241] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 346.028331] ? warn_alloc+0x120/0x120 [ 346.032684] lowmem_reserve[]: 0 [ 346.034941] ? warn_alloc+0x120/0x120 [ 346.039756] 0 3503 [ 346.066769] ? print_usage_bug+0xc0/0xc0 [ 346.070553] 3503 [ 346.073844] ? warn_alloc+0x120/0x120 [ 346.079865] ? print_usage_bug+0xc0/0xc0 [ 346.083900] Node 0 [ 346.085965] ? __lock_acquire+0x62f/0x4c20 [ 346.089766] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 346.093810] ? __lock_acquire+0x62f/0x4c20 [ 346.096024] lowmem_reserve[]: [ 346.100266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.128630] 0 0 [ 346.132900] ? should_fail+0x22d/0xd01 [ 346.135995] 0 0 [ 346.141557] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.143508] Node 0 [ 346.147415] ? __lock_acquire+0x62f/0x4c20 [ 346.149384] DMA: [ 346.154488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.156704] 1*4kB [ 346.160936] ? __lock_acquire+0x62f/0x4c20 [ 346.162975] (U) [ 346.168081] ? should_fail+0x22d/0xd01 [ 346.170211] 0*8kB [ 346.174451] ? find_held_lock+0x36/0x1c0 [ 346.176405] 0*16kB [ 346.180318] ? mark_held_locks+0x130/0x130 [ 346.182447] 1*32kB [ 346.186509] ? mark_held_locks+0x130/0x130 [ 346.188737] (U) [ 346.192997] ? zap_class+0x640/0x640 [ 346.193013] ? zap_class+0x640/0x640 [ 346.195236] 2*64kB [ 346.199484] ? print_usage_bug+0xc0/0xc0 [ 346.201443] (U) [ 346.205163] ? do_raw_spin_unlock+0xa7/0x330 [ 346.208851] 1*128kB (U) [ 346.211097] ? zap_class+0x640/0x640 [ 346.215139] 1*256kB [ 346.217121] ? print_usage_bug+0xc0/0xc0 [ 346.221511] (U) [ 346.224189] ? wq_watchdog_touch+0x9c/0xfe [ 346.227892] 0*512kB 1*1024kB [ 346.230227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.234262] (U) 1*2048kB [ 346.236263] ? check_preemption_disabled+0x48/0x280 [ 346.240470] (M) 3*4096kB [ 346.243594] ? __lock_is_held+0xb5/0x140 [ 346.249111] (M) [ 346.251879] __alloc_pages_nodemask+0xa80/0xde0 [ 346.256869] = 15908kB [ 346.256879] Node 0 [ 346.259644] ? zap_class+0x640/0x640 [ 346.263670] DMA32: 5*4kB [ 346.265679] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 346.270322] (M) [ 346.272745] ? find_held_lock+0x36/0x1c0 [ 346.274956] 1*8kB [ 346.278694] ? ____cache_alloc_node+0x1c7/0x1e0 [ 346.281424] (U) [ 346.286440] ? lock_downgrade+0x900/0x900 [ 346.288393] 4*16kB [ 346.292481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.294608] (M) [ 346.299292] cache_grow_begin+0xa5/0x8c0 [ 346.301241] 2*32kB (M) [ 346.305401] ? do_raw_spin_unlock+0xa7/0x330 [ 346.307619] 4*64kB [ 346.313183] fallback_alloc+0x204/0x2e0 [ 346.315136] (UM) [ 346.319208] ____cache_alloc_node+0x1c7/0x1e0 [ 346.321762] 3*128kB [ 346.326179] kmem_cache_alloc_node+0xe3/0x730 [ 346.328405] (M) [ 346.332388] ? ipv6_get_ifaddr+0x42e/0x620 [ 346.334431] 4*256kB [ 346.338935] __alloc_skb+0x119/0x770 [ 346.341244] (UM) [ 346.345750] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.347703] 3*512kB [ 346.351950] ? netdev_alloc_frag+0x1f0/0x1f0 [ 346.354253] (M) [ 346.357974] ? lock_downgrade+0x900/0x900 [ 346.360014] 3*1024kB (UM) [ 346.365317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.367622] 3*2048kB [ 346.372035] ? refcount_sub_and_test_checked+0x203/0x310 [ 346.373985] (UM) [ 346.378140] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 346.380961] 3*4096kB [ 346.386517] ? addrconf_rs_timer+0x690/0x690 [ 346.388907] (M) [ 346.394386] ndisc_alloc_skb+0x144/0x340 [ 346.396415] = 24860kB [ 346.396424] Node 0 [ 346.401882] ndisc_send_rs+0x331/0x6e0 [ 346.404264] Normal: 767*4kB [ 346.408706] addrconf_rs_timer+0x314/0x690 [ 346.410650] (UME) 454*8kB [ 346.414736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.417126] (ME) [ 346.419373] call_timer_fn+0x272/0x920 [ 346.423241] 185*16kB (UME) [ 346.426294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.430503] 80*32kB (UME) [ 346.433381] ? process_timeout+0x40/0x40 [ 346.437593] 22*64kB (M) [ 346.439677] ? mark_held_locks+0xc7/0x130 [ 346.443535] 1*128kB (U) [ 346.446496] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.450696] 1*256kB (U) [ 346.453558] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.457589] 0*512kB 0*1024kB [ 346.460276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.464408] 0*2048kB 0*4096kB [ 346.467102] ? lockdep_hardirqs_on+0x296/0x5b0 [ 346.471574] = 14012kB [ 346.474249] ? trace_hardirqs_on+0xbd/0x310 [ 346.478732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 346.481847] ? kasan_check_read+0x11/0x20 [ 346.486062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 346.489256] ? __run_timers+0x7da/0xc70 [ 346.493813] 163 total pagecache pages [ 346.496232] ? trace_hardirqs_off_caller+0x310/0x310 [ 346.500538] 0 pages in swap cache [ 346.509396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.513539] Swap cache stats: add 0, delete 0, find 0/0 [ 346.522126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.526074] Free swap = 0kB [ 346.526084] Total swap = 0kB [ 346.529892] __run_timers+0x7e5/0xc70 [ 346.534965] 1965979 pages RAM [ 346.538455] ? timer_fixup_init+0x70/0x70 [ 346.542654] 0 pages HighMem/MovableOnly [ 346.542663] 342867 pages reserved [ 346.548034] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 346.552251] 0 pages cma reserved [ 346.555274] ? zap_class+0x640/0x640 [ 346.558372] aoe: skb alloc failure [ 346.562106] ? print_usage_bug+0xc0/0xc0 [ 346.565329] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 346.569346] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 346.573331] ksoftirqd/0 cpuset= [ 346.576794] ? find_held_lock+0x36/0x1c0 [ 346.581809] / [ 346.585200] ? zap_class+0x640/0x640 [ 346.588905] mems_allowed=0 [ 346.627669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.633218] ? check_preemption_disabled+0x48/0x280 [ 346.638268] ? __lock_is_held+0xb5/0x140 [ 346.642355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.647902] ? check_preemption_disabled+0x48/0x280 [ 346.652930] run_timer_softirq+0x52/0xb0 [ 346.657006] ? rcu_read_lock_sched_held+0x14f/0x180 [ 346.662047] __do_softirq+0x308/0xb7e [ 346.665867] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 346.670368] ? lock_downgrade+0x900/0x900 [ 346.674535] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 346.679665] ? pvclock_read_flags+0x160/0x160 [ 346.684175] ? lapic_next_event+0x5a/0x90 [ 346.688337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.693889] ? kvm_clock_read+0x18/0x30 [ 346.697878] ? kvm_sched_clock_read+0x9/0x20 [ 346.702311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.707868] ? check_preemption_disabled+0x48/0x280 [ 346.712913] irq_exit+0x17f/0x1c0 [ 346.716387] smp_apic_timer_interrupt+0x1cb/0x760 [ 346.721248] ? smp_reschedule_interrupt+0x109/0x650 [ 346.726295] ? smp_call_function_single_interrupt+0x650/0x650 [ 346.732198] ? interrupt_entry+0xb5/0xc0 [ 346.736278] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.741329] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.746367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.751227] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.756260] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.761320] ? task_prio+0x50/0x50 [ 346.764890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.770470] ? check_preemption_disabled+0x48/0x280 [ 346.775518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.780395] apic_timer_interrupt+0xf/0x20 [ 346.784999] [ 346.787248] RIP: 0010:dump_stack+0x358/0x39d [ 346.791671] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 346.810586] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 346.818323] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 346.825610] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 346.832894] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 346.840179] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 346.847465] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 346.854773] ? dump_stack+0x34f/0x39d [ 346.858611] ? dump_stack_print_info.cold.1+0x20/0x20 [ 346.863851] dump_header+0x27b/0xf72 [ 346.867606] ? mark_held_locks+0x130/0x130 [ 346.871873] ? pagefault_out_of_memory+0x197/0x197 [ 346.876838] ? __lock_acquire+0x62f/0x4c20 [ 346.881103] ? zap_class+0x640/0x640 [ 346.884861] ? percpu_ref_get_many+0x240/0x240 [ 346.889474] ? print_usage_bug+0xc0/0xc0 [ 346.893563] ? print_usage_bug+0xc0/0xc0 [ 346.897650] ? zap_class+0x640/0x640 [ 346.901388] ? print_usage_bug+0xc0/0xc0 [ 346.905482] ? print_usage_bug+0xc0/0xc0 [ 346.909574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.915155] ? find_held_lock+0x36/0x1c0 [ 346.919241] ? mark_held_locks+0xc7/0x130 [ 346.923441] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 346.928572] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 346.933704] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 346.938327] ? trace_hardirqs_on+0xbd/0x310 [ 346.942671] ? kasan_check_read+0x11/0x20 [ 346.946846] ? ___ratelimit+0x3b4/0x672 [ 346.950864] ? trace_hardirqs_off_caller+0x310/0x310 [ 346.955987] ? trace_hardirqs_on+0x310/0x310 [ 346.960418] ? lock_downgrade+0x900/0x900 [ 346.964588] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 346.969713] ? ___ratelimit+0x3b9/0x672 [ 346.973706] ? idr_get_free+0xec0/0xec0 [ 346.977700] ? find_held_lock+0x36/0x1c0 [ 346.981788] oom_kill_process.cold.27+0x10/0x903 [ 346.986567] ? zap_class+0x640/0x640 [ 346.990314] ? check_preemption_disabled+0x48/0x280 [ 346.995364] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.000320] ? kasan_check_read+0x11/0x20 [ 347.004491] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.009794] ? oom_evaluate_task+0x540/0x540 [ 347.014236] ? find_held_lock+0x36/0x1c0 [ 347.018327] ? out_of_memory+0x974/0x1430 [ 347.022509] ? lock_downgrade+0x900/0x900 [ 347.026677] ? check_preemption_disabled+0x48/0x280 [ 347.031723] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.036674] ? kasan_check_read+0x11/0x20 [ 347.040849] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.046149] ? rcu_softirq_qs+0x20/0x20 [ 347.050143] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.055718] ? oom_evaluate_task+0x302/0x540 [ 347.060140] out_of_memory+0xa84/0x1430 [ 347.064127] ? oom_killer_disable+0x3a0/0x3a0 [ 347.068627] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 347.073574] ? __mutex_add_waiter+0x2a0/0x2a0 [ 347.078110] __alloc_pages_slowpath+0x22d4/0x2d70 [ 347.082991] ? warn_alloc+0x120/0x120 [ 347.086795] ? rcu_softirq_qs+0x20/0x20 [ 347.090816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.096374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.101918] ? should_fail+0x22d/0xd01 [ 347.105832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.110964] ? zap_class+0x640/0x640 [ 347.114709] ? __lock_is_held+0xb5/0x140 [ 347.118785] ? mark_held_locks+0x130/0x130 [ 347.123028] ? lock_release+0xa00/0xa00 [ 347.127017] ? perf_trace_sched_process_exec+0x860/0x860 [ 347.132491] ? __might_sleep+0x95/0x190 [ 347.136480] __alloc_pages_nodemask+0xa80/0xde0 [ 347.141167] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 347.146207] ? __page_cache_alloc+0x191/0x5c0 [ 347.150718] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.155658] ? kasan_check_read+0x11/0x20 [ 347.159817] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.165126] ? zap_class+0x640/0x640 [ 347.168880] ? zap_class+0x640/0x640 [ 347.172601] ? zap_class+0x640/0x640 [ 347.176327] ? __do_page_cache_readahead+0x7ce/0x980 [ 347.181450] ? find_held_lock+0x36/0x1c0 [ 347.185528] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 347.191089] alloc_pages_current+0x173/0x350 [ 347.195515] __page_cache_alloc+0x38c/0x5c0 [ 347.199855] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.204794] ? kasan_check_read+0x11/0x20 [ 347.208957] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.214245] ? generic_perform_write+0x6a0/0x6a0 [ 347.219015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.224569] ? check_preemption_disabled+0x48/0x280 [ 347.229604] filemap_fault+0x1594/0x25f0 [ 347.233690] ? __lock_page_or_retry+0xa00/0xa00 [ 347.238378] ? mark_held_locks+0x130/0x130 [ 347.242624] ? rcu_softirq_qs+0x20/0x20 [ 347.246604] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 347.251732] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 347.256341] ? trace_hardirqs_on+0xbd/0x310 [ 347.260683] ? filemap_map_pages+0xe04/0x1990 [ 347.265196] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 347.270318] ? __free_object+0x173/0x340 [ 347.274403] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 347.279367] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.284478] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 347.289167] ? debug_object_free+0x32d/0x690 [ 347.293591] ? kasan_check_read+0x11/0x20 [ 347.297756] ? debug_object_destroy+0x2b0/0x2b0 [ 347.302434] ? lock_pi_update_atomic+0x150/0x150 [ 347.307195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.312751] ? __hrtimer_init+0xdb/0x240 [ 347.316846] ? lock_acquire+0x1ed/0x520 [ 347.320832] ? ext4_filemap_fault+0x7a/0xad [ 347.325166] ? lock_release+0xa00/0xa00 [ 347.329152] ? perf_trace_sched_process_exec+0x860/0x860 [ 347.334618] ? print_usage_bug+0xc0/0xc0 [ 347.338684] ? print_usage_bug+0xc0/0xc0 [ 347.342761] ? down_read+0x8d/0x120 [ 347.346396] ? ext4_filemap_fault+0x7a/0xad [ 347.350729] ? __down_interruptible+0x700/0x700 [ 347.355422] ext4_filemap_fault+0x82/0xad [ 347.359592] __do_fault+0x100/0x6b0 [ 347.363291] ? pmd_devmap_trans_unstable+0x220/0x220 [ 347.368415] ? mark_held_locks+0x130/0x130 [ 347.372660] ? mark_held_locks+0x130/0x130 [ 347.376913] ? debug_smp_processor_id+0x1c/0x20 [ 347.381586] ? perf_trace_lock+0x14d/0x7a0 [ 347.385855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.391409] __handle_mm_fault+0x307c/0x5920 [ 347.395831] ? perf_trace_lock+0x7a0/0x7a0 [ 347.400096] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 347.404954] ? lock_is_held_type+0x210/0x210 [ 347.409378] ? ksys_dup3+0x680/0x680 [ 347.413115] ? zap_class+0x640/0x640 [ 347.416842] ? zap_class+0x640/0x640 [ 347.420572] ? __x64_sys_futex+0x53e/0x6a0 [ 347.424831] ? find_held_lock+0x36/0x1c0 [ 347.428912] ? handle_mm_fault+0x42a/0xc70 [ 347.433155] ? lock_downgrade+0x900/0x900 [ 347.437317] ? check_preemption_disabled+0x48/0x280 [ 347.442358] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.447301] ? kasan_check_read+0x11/0x20 [ 347.451479] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.456793] ? rcu_softirq_qs+0x20/0x20 [ 347.460781] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.466422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.471968] ? check_preemption_disabled+0x48/0x280 [ 347.477019] handle_mm_fault+0x54f/0xc70 [ 347.481097] ? __handle_mm_fault+0x5920/0x5920 [ 347.485692] ? find_vma+0x34/0x190 [ 347.489253] __do_page_fault+0x5e8/0xe60 [ 347.493342] ? trace_hardirqs_off+0xb8/0x310 [ 347.497776] ? kernel_write+0x120/0x120 [ 347.501768] do_page_fault+0xf2/0x7e0 [ 347.505572] ? vmalloc_sync_all+0x30/0x30 [ 347.509735] ? error_entry+0x70/0xd0 [ 347.513495] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.518519] ? trace_hardirqs_on_caller+0xc0/0x310 [ 347.523457] ? syscall_return_slowpath+0x5e0/0x5e0 [ 347.528397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.533256] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.538300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.543769] ? prepare_exit_to_usermode+0x291/0x3b0 [ 347.548805] ? page_fault+0x8/0x30 [ 347.552368] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.557223] ? page_fault+0x8/0x30 [ 347.560768] page_fault+0x1e/0x30 [ 347.564233] RIP: 0033:0x45ddf3 [ 347.567452] Code: Bad RIP value. [ 347.570821] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 347.576204] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 347.583487] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 347.590764] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 347.598046] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 347.605352] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 347.612665] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 347.612729] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 347.619175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.619181] Call Trace: [ 347.619206] dump_stack+0x244/0x39d [ 347.619223] ? dump_stack_print_info.cold.1+0x20/0x20 [ 347.619252] warn_alloc.cold.117+0xb7/0x1bd [ 347.625937] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 347.635109] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 347.637671] syz-fuzzer cpuset= [ 347.641307] ? lock_downgrade+0x900/0x900 [ 347.646500] / [ 347.650831] ? trace_hardirqs_off+0xb8/0x310 [ 347.661038] mems_allowed=0 [ 347.682265] ? trace_hardirqs_off+0xb8/0x310 [ 347.686696] __alloc_pages_slowpath+0x2660/0x2d70 [ 347.691573] ? warn_alloc+0x120/0x120 [ 347.695394] ? warn_alloc+0x120/0x120 [ 347.699209] ? print_usage_bug+0xc0/0xc0 [ 347.703292] ? warn_alloc+0x120/0x120 [ 347.707109] ? print_usage_bug+0xc0/0xc0 [ 347.711175] ? zap_class+0x640/0x640 [ 347.714895] ? put_dec+0x3b/0xf0 [ 347.718296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.723857] ? should_fail+0x22d/0xd01 [ 347.727752] ? __lock_acquire+0x62f/0x4c20 [ 347.731993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.737116] ? __lock_acquire+0x62f/0x4c20 [ 347.741374] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.746497] ? __lock_acquire+0x62f/0x4c20 [ 347.750732] ? should_fail+0x22d/0xd01 [ 347.754646] ? mark_held_locks+0x130/0x130 [ 347.758916] ? mark_held_locks+0x130/0x130 [ 347.763192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.768741] ? zap_class+0x640/0x640 [ 347.772458] ? print_usage_bug+0xc0/0xc0 [ 347.776527] ? mark_held_locks+0x130/0x130 [ 347.780779] ? find_held_lock+0x36/0x1c0 [ 347.784854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.790398] ? check_preemption_disabled+0x48/0x280 [ 347.795432] ? __lock_is_held+0xb5/0x140 [ 347.799514] __alloc_pages_nodemask+0xa80/0xde0 [ 347.804196] ? zap_class+0x640/0x640 [ 347.807941] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 347.812981] ? find_held_lock+0x36/0x1c0 [ 347.817059] ? ____cache_alloc_node+0x1c7/0x1e0 [ 347.821774] ? lock_downgrade+0x900/0x900 [ 347.825957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.831511] cache_grow_begin+0xa5/0x8c0 [ 347.835580] ? do_raw_spin_unlock+0xa7/0x330 [ 347.840015] fallback_alloc+0x204/0x2e0 [ 347.844031] ____cache_alloc_node+0x1c7/0x1e0 [ 347.848553] kmem_cache_alloc_node+0xe3/0x730 [ 347.853054] ? ipv6_get_ifaddr+0x42e/0x620 [ 347.857311] __alloc_skb+0x119/0x770 [ 347.861044] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.866352] ? netdev_alloc_frag+0x1f0/0x1f0 [ 347.870769] ? lock_downgrade+0x900/0x900 [ 347.874934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.880486] ? refcount_sub_and_test_checked+0x203/0x310 [ 347.885983] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 347.891443] ? addrconf_rs_timer+0x690/0x690 [ 347.895867] ndisc_alloc_skb+0x144/0x340 [ 347.899935] ndisc_send_rs+0x331/0x6e0 [ 347.903840] addrconf_rs_timer+0x314/0x690 [ 347.908090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.912354] call_timer_fn+0x272/0x920 [ 347.916248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.920522] ? process_timeout+0x40/0x40 [ 347.924602] ? __run_timers+0x7da/0xc70 [ 347.928585] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.933085] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.937596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.941842] ? lockdep_hardirqs_on+0x296/0x5b0 [ 347.946435] ? trace_hardirqs_on+0xbd/0x310 [ 347.950759] ? kasan_check_read+0x11/0x20 [ 347.954915] ? __run_timers+0x7da/0xc70 [ 347.958899] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.964024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.968269] __run_timers+0x7e5/0xc70 [ 347.972103] ? timer_fixup_init+0x70/0x70 [ 347.976259] ? compat_start_thread+0x80/0x80 [ 347.980682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.986234] ? _raw_spin_unlock_irq+0x60/0x80 [ 347.990742] ? finish_task_switch+0x1f4/0x910 [ 347.995244] ? finish_task_switch+0x1b4/0x910 [ 347.999746] ? __switch_to_asm+0x34/0x70 [ 348.003818] ? preempt_notifier_register+0x200/0x200 [ 348.008937] ? __switch_to_asm+0x34/0x70 [ 348.013001] ? __switch_to_asm+0x40/0x70 [ 348.017064] ? __switch_to_asm+0x34/0x70 [ 348.021128] ? __switch_to_asm+0x40/0x70 [ 348.025197] ? __switch_to_asm+0x34/0x70 [ 348.029259] ? __switch_to_asm+0x40/0x70 [ 348.033350] ? __switch_to_asm+0x40/0x70 [ 348.037425] ? pvclock_read_flags+0x160/0x160 [ 348.041930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.047498] ? check_preemption_disabled+0x48/0x280 [ 348.052553] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 348.058098] ? rcu_pm_notify+0xc0/0xc0 [ 348.062002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.067549] ? check_preemption_disabled+0x48/0x280 [ 348.072581] run_timer_softirq+0x52/0xb0 [ 348.076652] ? rcu_read_lock_sched_held+0x14f/0x180 [ 348.081688] __do_softirq+0x308/0xb7e [ 348.085506] ? retint_kernel+0x2d/0x2d [ 348.089404] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 348.094512] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.099987] ? schedule+0x108/0x460 [ 348.103636] ? __schedule+0x21d0/0x21d0 [ 348.107623] ? trace_hardirqs_off+0xb8/0x310 [ 348.112038] ? smpboot_thread_fn+0x68b/0xa00 [ 348.116466] ? trace_hardirqs_on+0x310/0x310 [ 348.120900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.126458] ? check_preemption_disabled+0x48/0x280 [ 348.131484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.137036] ? takeover_tasklets+0xa90/0xa90 [ 348.141458] run_ksoftirqd+0x5e/0x100 [ 348.145298] smpboot_thread_fn+0x68b/0xa00 [ 348.149557] ? sort_range+0x30/0x30 [ 348.153218] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 348.158335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.163879] ? __kthread_parkme+0xfb/0x1a0 [ 348.168142] kthread+0x35a/0x420 [ 348.171527] ? sort_range+0x30/0x30 [ 348.175158] ? kthread_stop+0x900/0x900 [ 348.179144] ret_from_fork+0x3a/0x50 [ 348.182893] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 348.182900] warn_alloc_show_mem: 1 callbacks suppressed [ 348.182907] Mem-Info: [ 348.189583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.194965] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 348.194965] active_file:13 inactive_file:12 isolated_file:0 [ 348.194965] unevictable:0 dirty:0 writeback:0 unstable:0 [ 348.194965] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 348.194965] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 348.194965] free:13679 free_pcp:387 free_cma:0 [ 348.197347] Call Trace: [ 348.206763] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 348.239630] [ 348.242211] Node 0 [ 348.269829] dump_stack+0x244/0x39d [ 348.271979] 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 [ 348.274198] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.277790] lowmem_reserve[]: 0 [ 348.303338] warn_alloc.cold.117+0xb7/0x1bd [ 348.308513] 2818 [ 348.311797] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.316089] 6321 [ 348.318156] ? lock_downgrade+0x900/0x900 [ 348.322972] 6321 [ 348.325056] ? trace_hardirqs_off+0xb8/0x310 [ 348.329178] Node 0 [ 348.331257] ? trace_hardirqs_off+0xb8/0x310 [ 348.335666] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 348.337895] __alloc_pages_slowpath+0x2660/0x2d70 [ 348.342270] lowmem_reserve[]: 0 [ 348.369534] ? warn_alloc+0x120/0x120 [ 348.374349] 0 [ 348.377642] ? find_held_lock+0x36/0x1c0 [ 348.381417] 3503 3503 [ 348.383241] ? warn_alloc+0x120/0x120 [ 348.389788] ? print_usage_bug+0xc0/0xc0 [ 348.393562] Node 0 [ 348.397628] ? warn_alloc+0x120/0x120 [ 348.397660] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 348.397668] lowmem_reserve[]: [ 348.399912] ? print_usage_bug+0xc0/0xc0 [ 348.403699] 0 [ 348.432078] ? check_preemption_disabled+0x48/0x280 [ 348.432102] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 348.435226] 0 [ 348.439310] ? kasan_check_read+0x11/0x20 [ 348.441090] 0 [ 348.446111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.451015] 0 [ 348.452837] ? should_fail+0x22d/0xd01 [ 348.456963] Node 0 [ 348.458784] ? rcu_softirq_qs+0x20/0x20 [ 348.464304] DMA: [ 348.466116] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.469997] 1*4kB [ 348.472241] ? __lock_acquire+0x62f/0x4c20 [ 348.476192] (U) [ 348.478264] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.483350] 0*8kB [ 348.485503] ? __lock_acquire+0x62f/0x4c20 [ 348.489709] 0*16kB 1*32kB [ 348.491699] ? should_fail+0x22d/0xd01 [ 348.496801] (U) 2*64kB [ 348.498984] ? mark_held_locks+0x130/0x130 [ 348.503204] (U) [ 348.506082] ? mark_held_locks+0x130/0x130 [ 348.509947] 1*128kB [ 348.512531] ? account_entity_enqueue+0x3a3/0x660 [ 348.516740] (U) 1*256kB [ 348.518743] ? zap_class+0x640/0x640 [ 348.522949] (U) 0*512kB [ 348.525304] ? print_usage_bug+0xc0/0xc0 [ 348.530114] 1*1024kB (U) [ 348.532808] ? rcu_softirq_qs+0x20/0x20 [ 348.536500] 1*2048kB (M) [ 348.539192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.543220] 3*4096kB (M) [ 348.546009] ? check_preemption_disabled+0x48/0x280 [ 348.549952] = 15908kB [ 348.549961] Node 0 [ 348.552731] ? __lock_is_held+0xb5/0x140 [ 348.558238] DMA32: 5*4kB [ 348.561032] __alloc_pages_nodemask+0xa80/0xde0 [ 348.566021] (M) [ 348.568437] ? zap_class+0x640/0x640 [ 348.570655] 1*8kB [ 348.574726] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 348.577460] (U) [ 348.582140] ? find_held_lock+0x36/0x1c0 [ 348.584084] 4*16kB [ 348.587804] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.589924] (M) [ 348.594947] ? lock_downgrade+0x900/0x900 [ 348.596925] 2*32kB [ 348.600994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.603204] (M) [ 348.607878] cache_grow_begin+0xa5/0x8c0 [ 348.609825] 4*64kB (UM) 3*128kB [ 348.613994] ? do_raw_spin_unlock+0xa7/0x330 [ 348.616213] (M) [ 348.621766] fallback_alloc+0x204/0x2e0 [ 348.623716] 4*256kB [ 348.627788] ____cache_alloc_node+0x1c7/0x1e0 [ 348.631130] (UM) 3*512kB [ 348.635567] kmem_cache_alloc_node+0xe3/0x730 [ 348.637533] (M) [ 348.641513] ? ipv6_get_ifaddr+0x42e/0x620 [ 348.643812] 3*1024kB [ 348.648327] __alloc_skb+0x119/0x770 [ 348.651063] (UM) [ 348.655574] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 348.657532] 3*2048kB [ 348.661776] ? netdev_alloc_frag+0x1f0/0x1f0 [ 348.664162] (UM) [ 348.667877] ? lock_downgrade+0x900/0x900 [ 348.669907] 3*4096kB (M) [ 348.675208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.677595] = 24860kB [ 348.677605] Node 0 [ 348.682025] ? refcount_sub_and_test_checked+0x203/0x310 [ 348.684062] Normal: [ 348.688214] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 348.690948] 767*4kB [ 348.696499] ? addrconf_rs_timer+0x690/0x690 [ 348.698892] (UME) [ 348.701144] ndisc_alloc_skb+0x144/0x340 [ 348.706576] 454*8kB (ME) [ 348.708919] ndisc_send_rs+0x331/0x6e0 [ 348.714352] 185*16kB [ 348.716688] addrconf_rs_timer+0x314/0x690 [ 348.721067] (UME) 80*32kB [ 348.723242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.727271] (UME) [ 348.730058] call_timer_fn+0x272/0x920 [ 348.733912] 22*64kB [ 348.736337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.740557] (M) [ 348.743411] ? process_timeout+0x40/0x40 [ 348.747619] 1*128kB [ 348.749777] ? mark_held_locks+0xc7/0x130 [ 348.753634] (U) [ 348.755969] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.760189] 1*256kB (U) [ 348.762193] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.766223] 0*512kB 0*1024kB [ 348.768564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.772697] 0*2048kB [ 348.774684] ? lockdep_hardirqs_on+0x296/0x5b0 [ 348.779159] 0*4096kB = 14012kB [ 348.781871] ? trace_hardirqs_on+0xbd/0x310 [ 348.786358] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 348.789491] ? kasan_check_read+0x11/0x20 [ 348.793707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 348.793716] 163 total pagecache pages [ 348.796132] ? __run_timers+0x7da/0xc70 [ 348.800697] 0 pages in swap cache [ 348.803910] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.808218] Swap cache stats: add 0, delete 0, find 0/0 [ 348.817083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.821215] Free swap = 0kB [ 348.821226] Total swap = 0kB [ 348.829850] __run_timers+0x7e5/0xc70 [ 348.833629] 1965979 pages RAM [ 348.837622] ? timer_fixup_init+0x70/0x70 [ 348.841043] 0 pages HighMem/MovableOnly [ 348.846163] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 348.851504] 342867 pages reserved [ 348.851514] 0 pages cma reserved [ 348.855759] ? zap_class+0x640/0x640 [ 348.858836] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 348.861786] ? print_usage_bug+0xc0/0xc0 [ 348.865655] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.868687] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 348.872813] ksoftirqd/0 cpuset= [ 348.876805] ? find_held_lock+0x36/0x1c0 [ 348.881812] / [ 348.885313] ? zap_class+0x640/0x640 [ 348.888672] mems_allowed=0 [ 348.892417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.939665] ? check_preemption_disabled+0x48/0x280 [ 348.944710] ? __lock_is_held+0xb5/0x140 [ 348.948801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.954387] ? check_preemption_disabled+0x48/0x280 [ 348.959436] run_timer_softirq+0x52/0xb0 [ 348.963521] ? rcu_read_lock_sched_held+0x14f/0x180 [ 348.968572] __do_softirq+0x308/0xb7e [ 348.972434] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 348.976955] ? lock_downgrade+0x900/0x900 [ 348.981130] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 348.986254] ? pvclock_read_flags+0x160/0x160 [ 348.990775] ? lapic_next_event+0x5a/0x90 [ 348.994944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.000503] ? kvm_clock_read+0x18/0x30 [ 349.004485] ? kvm_sched_clock_read+0x9/0x20 [ 349.008906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.014470] ? check_preemption_disabled+0x48/0x280 [ 349.019516] irq_exit+0x17f/0x1c0 [ 349.022983] smp_apic_timer_interrupt+0x1cb/0x760 [ 349.027839] ? smp_reschedule_interrupt+0x109/0x650 [ 349.032875] ? smp_call_function_single_interrupt+0x650/0x650 [ 349.038777] ? interrupt_entry+0xb5/0xc0 [ 349.042861] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.047885] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.052944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.057811] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.062858] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.067891] ? task_prio+0x50/0x50 [ 349.071454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.077018] ? check_preemption_disabled+0x48/0x280 [ 349.082074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.086942] apic_timer_interrupt+0xf/0x20 [ 349.091184] [ 349.093445] RIP: 0010:dump_stack+0x358/0x39d [ 349.097874] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 349.116789] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 349.124533] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 349.131819] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 349.139113] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 349.146399] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 349.153686] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 349.161001] ? dump_stack+0x34f/0x39d [ 349.164839] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.170075] dump_header+0x27b/0xf72 [ 349.173839] ? mark_held_locks+0x130/0x130 [ 349.178102] ? pagefault_out_of_memory+0x197/0x197 [ 349.183062] ? __lock_acquire+0x62f/0x4c20 [ 349.187317] ? zap_class+0x640/0x640 [ 349.191048] ? percpu_ref_get_many+0x240/0x240 [ 349.195649] ? print_usage_bug+0xc0/0xc0 [ 349.199731] ? print_usage_bug+0xc0/0xc0 [ 349.203815] ? zap_class+0x640/0x640 [ 349.207553] ? print_usage_bug+0xc0/0xc0 [ 349.211623] ? print_usage_bug+0xc0/0xc0 [ 349.215701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.221263] ? find_held_lock+0x36/0x1c0 [ 349.225354] ? mark_held_locks+0xc7/0x130 [ 349.229513] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.234623] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.239749] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 349.244344] ? trace_hardirqs_on+0xbd/0x310 [ 349.248683] ? kasan_check_read+0x11/0x20 [ 349.252843] ? ___ratelimit+0x3b4/0x672 [ 349.256845] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.261973] ? trace_hardirqs_on+0x310/0x310 [ 349.266394] ? lock_downgrade+0x900/0x900 [ 349.270566] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 349.275678] ? ___ratelimit+0x3b9/0x672 [ 349.279667] ? idr_get_free+0xec0/0xec0 [ 349.283653] ? find_held_lock+0x36/0x1c0 [ 349.287727] oom_kill_process.cold.27+0x10/0x903 [ 349.292490] ? zap_class+0x640/0x640 [ 349.296212] ? check_preemption_disabled+0x48/0x280 [ 349.301247] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.306195] ? kasan_check_read+0x11/0x20 [ 349.310377] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.315696] ? oom_evaluate_task+0x540/0x540 [ 349.320124] ? find_held_lock+0x36/0x1c0 [ 349.324203] ? out_of_memory+0x974/0x1430 [ 349.328358] ? lock_downgrade+0x900/0x900 [ 349.332520] ? check_preemption_disabled+0x48/0x280 [ 349.337561] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.342498] ? kasan_check_read+0x11/0x20 [ 349.346651] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.351942] ? rcu_softirq_qs+0x20/0x20 [ 349.355934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.361478] ? oom_evaluate_task+0x302/0x540 [ 349.365895] out_of_memory+0xa84/0x1430 [ 349.369888] ? oom_killer_disable+0x3a0/0x3a0 [ 349.374403] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 349.379365] ? __mutex_add_waiter+0x2a0/0x2a0 [ 349.383885] __alloc_pages_slowpath+0x22d4/0x2d70 [ 349.388771] ? warn_alloc+0x120/0x120 [ 349.392587] ? rcu_softirq_qs+0x20/0x20 [ 349.396614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.402166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.407718] ? should_fail+0x22d/0xd01 [ 349.411631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.416756] ? zap_class+0x640/0x640 [ 349.420505] ? __lock_is_held+0xb5/0x140 [ 349.424584] ? mark_held_locks+0x130/0x130 [ 349.428845] ? lock_release+0xa00/0xa00 [ 349.432844] ? perf_trace_sched_process_exec+0x860/0x860 [ 349.438342] ? __might_sleep+0x95/0x190 [ 349.442335] __alloc_pages_nodemask+0xa80/0xde0 [ 349.447023] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 349.452071] ? __page_cache_alloc+0x191/0x5c0 [ 349.456581] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.461517] ? kasan_check_read+0x11/0x20 [ 349.466166] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.471488] ? zap_class+0x640/0x640 [ 349.475223] ? zap_class+0x640/0x640 [ 349.478945] ? zap_class+0x640/0x640 [ 349.482668] ? __do_page_cache_readahead+0x7ce/0x980 [ 349.487808] ? find_held_lock+0x36/0x1c0 [ 349.491899] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 349.497456] alloc_pages_current+0x173/0x350 [ 349.501884] __page_cache_alloc+0x38c/0x5c0 [ 349.506221] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.511173] ? kasan_check_read+0x11/0x20 [ 349.515339] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.520629] ? generic_perform_write+0x6a0/0x6a0 [ 349.525397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.530958] ? check_preemption_disabled+0x48/0x280 [ 349.535992] filemap_fault+0x1594/0x25f0 [ 349.540070] ? __lock_page_or_retry+0xa00/0xa00 [ 349.544751] ? mark_held_locks+0x130/0x130 [ 349.549008] ? rcu_softirq_qs+0x20/0x20 [ 349.552995] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.558120] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 349.562715] ? trace_hardirqs_on+0xbd/0x310 [ 349.567059] ? filemap_map_pages+0xe04/0x1990 [ 349.571585] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 349.576699] ? __free_object+0x173/0x340 [ 349.580769] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 349.585721] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.590844] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 349.595538] ? debug_object_free+0x32d/0x690 [ 349.599953] ? kasan_check_read+0x11/0x20 [ 349.604114] ? debug_object_destroy+0x2b0/0x2b0 [ 349.608796] ? lock_pi_update_atomic+0x150/0x150 [ 349.613567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.619116] ? __hrtimer_init+0xdb/0x240 [ 349.623228] ? lock_acquire+0x1ed/0x520 [ 349.627214] ? ext4_filemap_fault+0x7a/0xad [ 349.631554] ? lock_release+0xa00/0xa00 [ 349.635535] ? perf_trace_sched_process_exec+0x860/0x860 [ 349.641002] ? print_usage_bug+0xc0/0xc0 [ 349.645076] ? print_usage_bug+0xc0/0xc0 [ 349.649153] ? down_read+0x8d/0x120 [ 349.652782] ? ext4_filemap_fault+0x7a/0xad [ 349.657112] ? __down_interruptible+0x700/0x700 [ 349.661832] ext4_filemap_fault+0x82/0xad [ 349.665995] __do_fault+0x100/0x6b0 [ 349.669633] ? pmd_devmap_trans_unstable+0x220/0x220 [ 349.674749] ? mark_held_locks+0x130/0x130 [ 349.679025] ? mark_held_locks+0x130/0x130 [ 349.683290] ? debug_smp_processor_id+0x1c/0x20 [ 349.687967] ? perf_trace_lock+0x14d/0x7a0 [ 349.692215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.697774] __handle_mm_fault+0x307c/0x5920 [ 349.702195] ? perf_trace_lock+0x7a0/0x7a0 [ 349.706457] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 349.711314] ? lock_is_held_type+0x210/0x210 [ 349.715741] ? ksys_dup3+0x680/0x680 [ 349.719493] ? zap_class+0x640/0x640 [ 349.723229] ? zap_class+0x640/0x640 [ 349.726950] ? __x64_sys_futex+0x53e/0x6a0 [ 349.731202] ? find_held_lock+0x36/0x1c0 [ 349.735303] ? handle_mm_fault+0x42a/0xc70 [ 349.739569] ? lock_downgrade+0x900/0x900 [ 349.743740] ? check_preemption_disabled+0x48/0x280 [ 349.748774] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.753713] ? kasan_check_read+0x11/0x20 [ 349.757881] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.763173] ? rcu_softirq_qs+0x20/0x20 [ 349.767160] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.772276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.777873] ? check_preemption_disabled+0x48/0x280 [ 349.782910] handle_mm_fault+0x54f/0xc70 [ 349.786983] ? __handle_mm_fault+0x5920/0x5920 [ 349.791586] ? find_vma+0x34/0x190 [ 349.795149] __do_page_fault+0x5e8/0xe60 [ 349.799227] ? trace_hardirqs_off+0xb8/0x310 [ 349.803667] ? kernel_write+0x120/0x120 [ 349.807658] do_page_fault+0xf2/0x7e0 [ 349.811481] ? vmalloc_sync_all+0x30/0x30 [ 349.815648] ? error_entry+0x70/0xd0 [ 349.819371] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.824390] ? trace_hardirqs_on_caller+0xc0/0x310 [ 349.829325] ? syscall_return_slowpath+0x5e0/0x5e0 [ 349.834270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.839135] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.844158] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.849633] ? prepare_exit_to_usermode+0x291/0x3b0 [ 349.854670] ? page_fault+0x8/0x30 [ 349.858221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.863078] ? page_fault+0x8/0x30 [ 349.866628] page_fault+0x1e/0x30 [ 349.870087] RIP: 0033:0x45ddf3 [ 349.873306] Code: Bad RIP value. [ 349.876674] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 349.882043] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 349.889324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 349.896614] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 349.903897] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 349.911225] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 349.918531] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 349.918598] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 349.925039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.925049] Call Trace: [ 349.931671] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.940922] dump_stack+0x244/0x39d [ 349.943489] syz-fuzzer cpuset= [ 349.953736] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.957341] / [ 349.960545] warn_alloc.cold.117+0xb7/0x1bd [ 349.965720] mems_allowed=0 [ 349.974701] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 349.979557] ? lock_downgrade+0x900/0x900 [ 349.983731] ? trace_hardirqs_off+0xb8/0x310 [ 349.988168] ? trace_hardirqs_off+0xb8/0x310 [ 349.992609] __alloc_pages_slowpath+0x2660/0x2d70 [ 349.997488] ? warn_alloc+0x120/0x120 [ 350.001335] ? warn_alloc+0x120/0x120 [ 350.005144] ? print_usage_bug+0xc0/0xc0 [ 350.009213] ? warn_alloc+0x120/0x120 [ 350.013023] ? print_usage_bug+0xc0/0xc0 [ 350.017104] ? __lock_acquire+0x62f/0x4c20 [ 350.021354] ? __lock_acquire+0x62f/0x4c20 [ 350.025606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.031148] ? should_fail+0x22d/0xd01 [ 350.035045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.040167] ? __lock_acquire+0x62f/0x4c20 [ 350.044425] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.049529] ? __lock_acquire+0x62f/0x4c20 [ 350.053765] ? should_fail+0x22d/0xd01 [ 350.057677] ? mark_held_locks+0x130/0x130 [ 350.061940] ? mark_held_locks+0x130/0x130 [ 350.066180] ? zap_class+0x640/0x640 [ 350.069906] ? zap_class+0x640/0x640 [ 350.073629] ? zap_class+0x640/0x640 [ 350.077373] ? print_usage_bug+0xc0/0xc0 [ 350.081446] ? mark_held_locks+0x130/0x130 [ 350.085689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.091229] ? check_preemption_disabled+0x48/0x280 [ 350.096271] ? __lock_is_held+0xb5/0x140 [ 350.100363] __alloc_pages_nodemask+0xa80/0xde0 [ 350.105036] ? zap_class+0x640/0x640 [ 350.108758] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 350.113794] ? find_held_lock+0x36/0x1c0 [ 350.117876] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.122556] ? lock_downgrade+0x900/0x900 [ 350.126717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.132276] cache_grow_begin+0xa5/0x8c0 [ 350.136362] ? do_raw_spin_unlock+0xa7/0x330 [ 350.140783] fallback_alloc+0x204/0x2e0 [ 350.144776] ____cache_alloc_node+0x1c7/0x1e0 [ 350.149298] kmem_cache_alloc_node+0xe3/0x730 [ 350.153811] ? ipv6_get_ifaddr+0x42e/0x620 [ 350.158062] __alloc_skb+0x119/0x770 [ 350.161787] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.167074] ? netdev_alloc_frag+0x1f0/0x1f0 [ 350.171497] ? lock_downgrade+0x900/0x900 [ 350.175661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.181204] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.186674] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.192140] ? addrconf_rs_timer+0x690/0x690 [ 350.196572] ndisc_alloc_skb+0x144/0x340 [ 350.200644] ndisc_send_rs+0x331/0x6e0 [ 350.204540] addrconf_rs_timer+0x314/0x690 [ 350.208811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.213071] call_timer_fn+0x272/0x920 [ 350.216966] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.221209] ? process_timeout+0x40/0x40 [ 350.225295] ? __run_timers+0x7da/0xc70 [ 350.229303] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.233812] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.238317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.242566] ? lockdep_hardirqs_on+0x296/0x5b0 [ 350.247163] ? trace_hardirqs_on+0xbd/0x310 [ 350.251510] ? kasan_check_read+0x11/0x20 [ 350.255664] ? __run_timers+0x7da/0xc70 [ 350.259646] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.264772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.269021] __run_timers+0x7e5/0xc70 [ 350.272838] ? timer_fixup_init+0x70/0x70 [ 350.276992] ? compat_start_thread+0x80/0x80 [ 350.281408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.286969] ? _raw_spin_unlock_irq+0x60/0x80 [ 350.291488] ? finish_task_switch+0x1f4/0x910 [ 350.295994] ? finish_task_switch+0x1b4/0x910 [ 350.300499] ? __switch_to_asm+0x34/0x70 [ 350.304597] ? preempt_notifier_register+0x200/0x200 [ 350.309719] ? __switch_to_asm+0x34/0x70 [ 350.313784] ? __switch_to_asm+0x40/0x70 [ 350.317850] ? __switch_to_asm+0x34/0x70 [ 350.321914] ? __switch_to_asm+0x40/0x70 [ 350.326000] ? __switch_to_asm+0x34/0x70 [ 350.330067] ? __switch_to_asm+0x40/0x70 [ 350.334133] ? __switch_to_asm+0x40/0x70 [ 350.338209] ? pvclock_read_flags+0x160/0x160 [ 350.342717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.348276] ? check_preemption_disabled+0x48/0x280 [ 350.353337] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 350.359334] ? rcu_pm_notify+0xc0/0xc0 [ 350.363229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.368781] ? check_preemption_disabled+0x48/0x280 [ 350.373807] run_timer_softirq+0x52/0xb0 [ 350.377871] ? rcu_read_lock_sched_held+0x14f/0x180 [ 350.382895] __do_softirq+0x308/0xb7e [ 350.386709] ? retint_kernel+0x2d/0x2d [ 350.390606] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 350.395721] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.401194] ? schedule+0x108/0x460 [ 350.404835] ? __schedule+0x21d0/0x21d0 [ 350.408841] ? trace_hardirqs_off+0xb8/0x310 [ 350.413260] ? smpboot_thread_fn+0x68b/0xa00 [ 350.417682] ? trace_hardirqs_on+0x310/0x310 [ 350.422121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.427665] ? check_preemption_disabled+0x48/0x280 [ 350.432689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.438242] ? takeover_tasklets+0xa90/0xa90 [ 350.442663] run_ksoftirqd+0x5e/0x100 [ 350.446473] smpboot_thread_fn+0x68b/0xa00 [ 350.450720] ? sort_range+0x30/0x30 [ 350.454357] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 350.459477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.465027] ? __kthread_parkme+0xfb/0x1a0 [ 350.469276] kthread+0x35a/0x420 [ 350.472668] ? sort_range+0x30/0x30 [ 350.476320] ? kthread_stop+0x900/0x900 [ 350.480320] ret_from_fork+0x3a/0x50 [ 350.484057] warn_alloc_show_mem: 1 callbacks suppressed [ 350.484069] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 350.484071] Mem-Info: [ 350.484102] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 350.484102] active_file:13 inactive_file:12 isolated_file:0 [ 350.484102] unevictable:0 dirty:0 writeback:0 unstable:0 [ 350.484102] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 350.484102] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 350.484102] free:13679 free_pcp:387 free_cma:0 [ 350.489459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.496154] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 350.498571] Call Trace: [ 350.531468] Node 0 [ 350.540833] [ 350.568361] 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 [ 350.570930] dump_stack+0x244/0x39d [ 350.573133] lowmem_reserve[]: 0 [ 350.575312] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.600806] 2818 [ 350.604462] warn_alloc.cold.117+0xb7/0x1bd [ 350.607711] 6321 [ 350.612909] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.614949] 6321 [ 350.619295] ? lock_downgrade+0x900/0x900 [ 350.621339] Node 0 [ 350.626197] ? trace_hardirqs_off+0xb8/0x310 [ 350.628270] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 350.632397] ? trace_hardirqs_off+0xb8/0x310 [ 350.634609] lowmem_reserve[]: 0 [ 350.639031] __alloc_pages_slowpath+0x2660/0x2d70 [ 350.666000] 0 3503 [ 350.670463] ? warn_alloc+0x120/0x120 [ 350.673685] 3503 [ 350.678559] ? warn_alloc+0x120/0x120 [ 350.680772] Node 0 [ 350.684583] ? print_usage_bug+0xc0/0xc0 [ 350.686647] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 350.690441] ? warn_alloc+0x120/0x120 [ 350.692652] lowmem_reserve[]: [ 350.696733] ? print_usage_bug+0xc0/0xc0 [ 350.725082] 0 0 [ 350.728906] ? __lock_acquire+0x62f/0x4c20 [ 350.731980] 0 0 [ 350.736053] ? __lock_acquire+0x62f/0x4c20 [ 350.742254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.744207] Node 0 [ 350.748445] ? should_fail+0x22d/0xd01 [ 350.753961] DMA: [ 350.756223] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.760091] 1*4kB [ 350.762158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.767411] (U) [ 350.769564] ? __lock_acquire+0x62f/0x4c20 [ 350.774636] 0*8kB 0*16kB [ 350.776631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.780836] 1*32kB (U) [ 350.783621] ? __lock_acquire+0x62f/0x4c20 [ 350.788702] 2*64kB (U) [ 350.791315] ? should_fail+0x22d/0xd01 [ 350.795529] 1*128kB (U) [ 350.798129] ? rcu_irq_exit+0x1a2/0x390 [ 350.801993] 1*256kB (U) [ 350.804698] ? mark_held_locks+0x130/0x130 [ 350.808643] 0*512kB [ 350.811330] ? mark_held_locks+0x130/0x130 [ 350.815548] 1*1024kB (U) [ 350.817888] ? mark_held_locks+0xc7/0x130 [ 350.822111] 1*2048kB (M) [ 350.824895] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 350.824914] ? zap_class+0x640/0x640 [ 350.829046] 3*4096kB [ 350.831805] ? print_usage_bug+0xc0/0xc0 [ 350.836797] (M) [ 350.840521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.842918] = 15908kB [ 350.846981] ? check_preemption_disabled+0x48/0x280 [ 350.848932] Node 0 [ 350.854478] ? __lock_is_held+0xb5/0x140 [ 350.856861] DMA32: [ 350.861901] __alloc_pages_nodemask+0xa80/0xde0 [ 350.864120] 5*4kB [ 350.868185] ? zap_class+0x640/0x640 [ 350.870401] (M) [ 350.875071] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 350.877195] 1*8kB [ 350.880921] ? find_held_lock+0x36/0x1c0 [ 350.882867] (U) [ 350.887895] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.890017] 4*16kB [ 350.894079] ? lock_downgrade+0x900/0x900 [ 350.896051] (M) [ 350.900732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.902964] 2*32kB [ 350.907115] cache_grow_begin+0xa5/0x8c0 [ 350.909064] (M) [ 350.914607] ? do_raw_spin_unlock+0xa7/0x330 [ 350.916818] 4*64kB (UM) [ 350.920909] fallback_alloc+0x204/0x2e0 [ 350.922860] 3*128kB [ 350.927273] ____cache_alloc_node+0x1c7/0x1e0 [ 350.929925] (M) [ 350.933925] kmem_cache_alloc_node+0xe3/0x730 [ 350.936224] 4*256kB [ 350.940721] ? ipv6_get_ifaddr+0x42e/0x620 [ 350.942671] (UM) [ 350.947185] __alloc_skb+0x119/0x770 [ 350.949486] 3*512kB [ 350.953732] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.955773] (M) [ 350.959492] ? netdev_alloc_frag+0x1f0/0x1f0 [ 350.961802] 3*1024kB [ 350.967084] ? lock_downgrade+0x900/0x900 [ 350.969051] (UM) [ 350.973470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.975852] 3*2048kB [ 350.979997] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.982036] (UM) [ 350.987585] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.989970] 3*4096kB (M) [ 350.995440] ? addrconf_rs_timer+0x690/0x690 [ 350.997481] = 24860kB [ 351.002939] ndisc_alloc_skb+0x144/0x340 [ 351.005691] Node 0 [ 351.010124] ndisc_send_rs+0x331/0x6e0 [ 351.012511] Normal: [ 351.016576] addrconf_rs_timer+0x314/0x690 [ 351.018786] 767*4kB (UME) [ 351.022686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.024983] 454*8kB (ME) [ 351.029246] call_timer_fn+0x272/0x920 [ 351.032096] 185*16kB (UME) [ 351.036521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.039255] 80*32kB [ 351.043153] ? process_timeout+0x40/0x40 [ 351.046067] (UME) [ 351.050322] ? mark_held_locks+0xc7/0x130 [ 351.052635] 22*64kB (M) [ 351.056710] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.058829] 1*128kB (U) [ 351.062997] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.065651] 1*256kB [ 351.070151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.072795] (U) [ 351.077302] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.079604] 0*512kB [ 351.083864] ? trace_hardirqs_on+0xbd/0x310 [ 351.085818] 0*1024kB [ 351.090431] ? kasan_check_read+0x11/0x20 [ 351.092724] 0*2048kB 0*4096kB [ 351.097076] ? __run_timers+0x7da/0xc70 [ 351.099454] = 14012kB [ 351.099469] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 351.103626] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.106802] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 351.110779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.113194] 163 total pagecache pages [ 351.122042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.127138] 0 pages in swap cache [ 351.135724] __run_timers+0x7e5/0xc70 [ 351.139940] Swap cache stats: add 0, delete 0, find 0/0 [ 351.143755] ? timer_fixup_init+0x70/0x70 [ 351.147965] Free swap = 0kB [ 351.151425] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 351.155200] Total swap = 0kB [ 351.160572] ? zap_class+0x640/0x640 [ 351.164708] 1965979 pages RAM [ 351.167745] ? print_usage_bug+0xc0/0xc0 [ 351.172743] 0 pages HighMem/MovableOnly [ 351.172752] 342867 pages reserved [ 351.175777] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 351.179461] 0 pages cma reserved [ 351.179550] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 351.182590] ? find_held_lock+0x36/0x1c0 [ 351.186746] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.190637] ? zap_class+0x640/0x640 [ 351.190660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.194265] ksoftirqd/0 cpuset= [ 351.199472] ? check_preemption_disabled+0x48/0x280 [ 351.199499] ? __lock_is_held+0xb5/0x140 [ 351.203094] / [ 351.209526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.209540] ? check_preemption_disabled+0x48/0x280 [ 351.209560] run_timer_softirq+0x52/0xb0 [ 351.209574] ? rcu_read_lock_sched_held+0x14f/0x180 [ 351.209592] __do_softirq+0x308/0xb7e [ 351.209611] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 351.209625] ? lock_downgrade+0x900/0x900 [ 351.213853] mems_allowed=0 [ 351.224176] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 351.287473] ? pvclock_read_flags+0x160/0x160 [ 351.291981] ? lapic_next_event+0x5a/0x90 [ 351.296150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.301707] ? kvm_clock_read+0x18/0x30 [ 351.305685] ? kvm_sched_clock_read+0x9/0x20 [ 351.310105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.315662] ? check_preemption_disabled+0x48/0x280 [ 351.320705] irq_exit+0x17f/0x1c0 [ 351.324166] smp_apic_timer_interrupt+0x1cb/0x760 [ 351.329018] ? smp_reschedule_interrupt+0x109/0x650 [ 351.334076] ? smp_call_function_single_interrupt+0x650/0x650 [ 351.339979] ? interrupt_entry+0xb5/0xc0 [ 351.344047] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.349070] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.354106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.359005] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.364031] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.369092] ? task_prio+0x50/0x50 [ 351.372646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.378188] ? check_preemption_disabled+0x48/0x280 [ 351.383220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.388095] apic_timer_interrupt+0xf/0x20 [ 351.392333] [ 351.394584] RIP: 0010:dump_stack+0x358/0x39d [ 351.398997] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 351.417912] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 351.425662] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 351.432944] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 351.440246] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 351.447536] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 351.454815] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 351.462129] ? dump_stack+0x34f/0x39d [ 351.466445] ? dump_stack_print_info.cold.1+0x20/0x20 [ 351.471655] dump_header+0x27b/0xf72 [ 351.475402] ? mark_held_locks+0x130/0x130 [ 351.479647] ? pagefault_out_of_memory+0x197/0x197 [ 351.484615] ? __lock_acquire+0x62f/0x4c20 [ 351.488861] ? zap_class+0x640/0x640 [ 351.492595] ? percpu_ref_get_many+0x240/0x240 [ 351.497202] ? print_usage_bug+0xc0/0xc0 [ 351.501270] ? print_usage_bug+0xc0/0xc0 [ 351.505349] ? zap_class+0x640/0x640 [ 351.509077] ? print_usage_bug+0xc0/0xc0 [ 351.513153] ? print_usage_bug+0xc0/0xc0 [ 351.517230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.522783] ? find_held_lock+0x36/0x1c0 [ 351.526868] ? mark_held_locks+0xc7/0x130 [ 351.531039] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 351.536173] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 351.541295] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 351.545907] ? trace_hardirqs_on+0xbd/0x310 [ 351.550259] ? kasan_check_read+0x11/0x20 [ 351.554427] ? ___ratelimit+0x3b4/0x672 [ 351.558411] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.563522] ? trace_hardirqs_on+0x310/0x310 [ 351.567947] ? lock_downgrade+0x900/0x900 [ 351.572114] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 351.577224] ? ___ratelimit+0x3b9/0x672 [ 351.581211] ? idr_get_free+0xec0/0xec0 [ 351.585199] ? find_held_lock+0x36/0x1c0 [ 351.589322] oom_kill_process.cold.27+0x10/0x903 [ 351.594087] ? zap_class+0x640/0x640 [ 351.597804] ? check_preemption_disabled+0x48/0x280 [ 351.602861] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 351.607802] ? kasan_check_read+0x11/0x20 [ 351.611965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.617275] ? oom_evaluate_task+0x540/0x540 [ 351.621715] ? find_held_lock+0x36/0x1c0 [ 351.625798] ? out_of_memory+0x974/0x1430 [ 351.629963] ? lock_downgrade+0x900/0x900 [ 351.634116] ? check_preemption_disabled+0x48/0x280 [ 351.639170] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 351.644122] ? kasan_check_read+0x11/0x20 [ 351.648297] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.653592] ? rcu_softirq_qs+0x20/0x20 [ 351.657580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.663137] ? oom_evaluate_task+0x302/0x540 [ 351.667566] out_of_memory+0xa84/0x1430 [ 351.671557] ? oom_killer_disable+0x3a0/0x3a0 [ 351.676072] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 351.681024] ? __mutex_add_waiter+0x2a0/0x2a0 [ 351.685549] __alloc_pages_slowpath+0x22d4/0x2d70 [ 351.690433] ? warn_alloc+0x120/0x120 [ 351.694243] ? rcu_softirq_qs+0x20/0x20 [ 351.698258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.703819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.709375] ? should_fail+0x22d/0xd01 [ 351.713272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.718402] ? zap_class+0x640/0x640 [ 351.722152] ? __lock_is_held+0xb5/0x140 [ 351.726229] ? mark_held_locks+0x130/0x130 [ 351.730472] ? lock_release+0xa00/0xa00 [ 351.734457] ? perf_trace_sched_process_exec+0x860/0x860 [ 351.739944] ? __might_sleep+0x95/0x190 [ 351.743935] __alloc_pages_nodemask+0xa80/0xde0 [ 351.748619] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 351.753647] ? __page_cache_alloc+0x191/0x5c0 [ 351.758159] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 351.763120] ? kasan_check_read+0x11/0x20 [ 351.767290] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.772584] ? zap_class+0x640/0x640 [ 351.776327] ? zap_class+0x640/0x640 [ 351.780072] ? zap_class+0x640/0x640 [ 351.783795] ? __do_page_cache_readahead+0x7ce/0x980 [ 351.788919] ? find_held_lock+0x36/0x1c0 [ 351.793001] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 351.798562] alloc_pages_current+0x173/0x350 [ 351.802986] __page_cache_alloc+0x38c/0x5c0 [ 351.807320] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 351.812281] ? kasan_check_read+0x11/0x20 [ 351.816453] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.821743] ? generic_perform_write+0x6a0/0x6a0 [ 351.826511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.832062] ? check_preemption_disabled+0x48/0x280 [ 351.837120] filemap_fault+0x1594/0x25f0 [ 351.841202] ? __lock_page_or_retry+0xa00/0xa00 [ 351.845909] ? mark_held_locks+0x130/0x130 [ 351.850158] ? rcu_softirq_qs+0x20/0x20 [ 351.854139] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 351.859267] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 351.863878] ? trace_hardirqs_on+0xbd/0x310 [ 351.868213] ? filemap_map_pages+0xe04/0x1990 [ 351.872723] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 351.877846] ? __free_object+0x173/0x340 [ 351.881925] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 351.886883] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.891991] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 351.896690] ? debug_object_free+0x32d/0x690 [ 351.901110] ? kasan_check_read+0x11/0x20 [ 351.905267] ? debug_object_destroy+0x2b0/0x2b0 [ 351.909953] ? lock_pi_update_atomic+0x150/0x150 [ 351.914733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.920281] ? __hrtimer_init+0xdb/0x240 [ 351.924377] ? lock_acquire+0x1ed/0x520 [ 351.928356] ? ext4_filemap_fault+0x7a/0xad [ 351.932696] ? lock_release+0xa00/0xa00 [ 351.936675] ? perf_trace_sched_process_exec+0x860/0x860 [ 351.942131] ? print_usage_bug+0xc0/0xc0 [ 351.946205] ? print_usage_bug+0xc0/0xc0 [ 351.950291] ? down_read+0x8d/0x120 [ 351.953924] ? ext4_filemap_fault+0x7a/0xad [ 351.958270] ? __down_interruptible+0x700/0x700 [ 351.962971] ext4_filemap_fault+0x82/0xad [ 351.967137] __do_fault+0x100/0x6b0 [ 351.970776] ? pmd_devmap_trans_unstable+0x220/0x220 [ 351.975887] ? mark_held_locks+0x130/0x130 [ 351.980136] ? mark_held_locks+0x130/0x130 [ 351.984383] ? debug_smp_processor_id+0x1c/0x20 [ 351.989059] ? perf_trace_lock+0x14d/0x7a0 [ 351.993312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.998883] __handle_mm_fault+0x307c/0x5920 [ 352.003319] ? perf_trace_lock+0x7a0/0x7a0 [ 352.007578] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 352.012425] ? lock_is_held_type+0x210/0x210 [ 352.016860] ? ksys_dup3+0x680/0x680 [ 352.020601] ? zap_class+0x640/0x640 [ 352.024325] ? zap_class+0x640/0x640 [ 352.028047] ? __x64_sys_futex+0x53e/0x6a0 [ 352.032322] ? find_held_lock+0x36/0x1c0 [ 352.036416] ? handle_mm_fault+0x42a/0xc70 [ 352.040658] ? lock_downgrade+0x900/0x900 [ 352.044810] ? check_preemption_disabled+0x48/0x280 [ 352.049857] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.054799] ? kasan_check_read+0x11/0x20 [ 352.058980] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.064297] ? rcu_softirq_qs+0x20/0x20 [ 352.068298] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.073421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.078963] ? check_preemption_disabled+0x48/0x280 [ 352.083998] handle_mm_fault+0x54f/0xc70 [ 352.088093] ? __handle_mm_fault+0x5920/0x5920 [ 352.092691] ? find_vma+0x34/0x190 [ 352.096243] __do_page_fault+0x5e8/0xe60 [ 352.100329] ? trace_hardirqs_off+0xb8/0x310 [ 352.104748] ? kernel_write+0x120/0x120 [ 352.108741] do_page_fault+0xf2/0x7e0 [ 352.112554] ? vmalloc_sync_all+0x30/0x30 [ 352.116710] ? error_entry+0x70/0xd0 [ 352.120438] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.125461] ? trace_hardirqs_on_caller+0xc0/0x310 [ 352.130398] ? syscall_return_slowpath+0x5e0/0x5e0 [ 352.135344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.140208] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.145244] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.150706] ? prepare_exit_to_usermode+0x291/0x3b0 [ 352.155742] ? page_fault+0x8/0x30 [ 352.159307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.164167] ? page_fault+0x8/0x30 [ 352.167714] page_fault+0x1e/0x30 [ 352.171174] RIP: 0033:0x45ddf3 [ 352.174391] Code: Bad RIP value. [ 352.177754] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 352.183120] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 352.190396] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 352.197677] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 352.204953] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 352.212252] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 352.219565] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 352.219630] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 352.226096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.226108] Call Trace: [ 352.232717] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 352.241964] dump_stack+0x244/0x39d [ 352.244530] syz-fuzzer cpuset= [ 352.254765] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.258373] / [ 352.261586] warn_alloc.cold.117+0xb7/0x1bd [ 352.266747] mems_allowed=0 [ 352.268458] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.280532] ? lock_downgrade+0x900/0x900 [ 352.284692] ? trace_hardirqs_off+0xb8/0x310 [ 352.289107] ? trace_hardirqs_off+0xb8/0x310 [ 352.293532] __alloc_pages_slowpath+0x2660/0x2d70 [ 352.298424] ? warn_alloc+0x120/0x120 [ 352.302259] ? warn_alloc+0x120/0x120 [ 352.306082] ? print_usage_bug+0xc0/0xc0 [ 352.310146] ? print_bfs_bug+0x80/0x80 [ 352.314077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.319627] ? should_fail+0x22d/0xd01 [ 352.323520] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 352.329458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.334579] ? __lock_acquire+0x62f/0x4c20 [ 352.338822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.343926] ? should_fail+0x22d/0xd01 [ 352.347818] ? find_held_lock+0x36/0x1c0 [ 352.351906] ? mark_held_locks+0x130/0x130 [ 352.356628] ? mark_held_locks+0x130/0x130 [ 352.360875] ? kasan_check_read+0x11/0x20 [ 352.365034] ? __lock_acquire+0x2aff/0x4c20 [ 352.369388] ? zap_class+0x640/0x640 [ 352.373160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.378717] ? check_preemption_disabled+0x48/0x280 [ 352.383747] ? __lock_is_held+0xb5/0x140 [ 352.387825] __alloc_pages_nodemask+0xa80/0xde0 [ 352.392510] ? zap_class+0x640/0x640 [ 352.396236] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 352.401265] ? find_held_lock+0x36/0x1c0 [ 352.405363] ? ____cache_alloc_node+0x1c7/0x1e0 [ 352.410046] ? lock_downgrade+0x900/0x900 [ 352.414204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.419749] cache_grow_begin+0xa5/0x8c0 [ 352.423821] ? do_raw_spin_unlock+0xa7/0x330 [ 352.428249] fallback_alloc+0x204/0x2e0 [ 352.432414] ____cache_alloc_node+0x1c7/0x1e0 [ 352.436920] kmem_cache_alloc_node+0xe3/0x730 [ 352.441425] ? do_raw_spin_unlock+0xa7/0x330 [ 352.445872] ? do_raw_spin_trylock+0x270/0x270 [ 352.450470] __alloc_skb+0x119/0x770 [ 352.454190] ? netdev_alloc_frag+0x1f0/0x1f0 [ 352.458606] ? atomic_notifier_call_chain+0xc6/0x190 [ 352.463718] ? lock_downgrade+0x900/0x900 [ 352.467869] ? check_preemption_disabled+0x48/0x280 [ 352.472894] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.477834] ? kasan_check_read+0x11/0x20 [ 352.481992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.487279] ? rcu_softirq_qs+0x20/0x20 [ 352.491274] ? kasan_check_read+0x11/0x20 [ 352.495454] ? do_raw_write_trylock+0x270/0x270 [ 352.500137] __neigh_notify+0x8c/0x160 [ 352.504032] ? neigh_connected_output+0x780/0x780 [ 352.508886] neigh_timer_handler+0x6cb/0xdf0 [ 352.513312] ? check_preemption_disabled+0x48/0x280 [ 352.518364] ? __neigh_for_each_release+0x520/0x520 [ 352.523391] ? __lock_is_held+0xb5/0x140 [ 352.527478] call_timer_fn+0x272/0x920 [ 352.531389] ? __neigh_for_each_release+0x520/0x520 [ 352.536421] ? process_timeout+0x40/0x40 [ 352.540499] ? __run_timers+0x7da/0xc70 [ 352.544491] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.549011] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.553515] ? __neigh_for_each_release+0x520/0x520 [ 352.558544] ? lockdep_hardirqs_on+0x296/0x5b0 [ 352.563147] ? trace_hardirqs_on+0xbd/0x310 [ 352.567476] ? kasan_check_read+0x11/0x20 [ 352.571634] ? __run_timers+0x7da/0xc70 [ 352.575611] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.580746] ? __neigh_for_each_release+0x520/0x520 [ 352.585770] __run_timers+0x7e5/0xc70 [ 352.589593] ? timer_fixup_init+0x70/0x70 [ 352.593744] ? compat_start_thread+0x80/0x80 [ 352.598170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.603723] ? _raw_spin_unlock_irq+0x60/0x80 [ 352.608237] ? finish_task_switch+0x1f4/0x910 [ 352.612735] ? finish_task_switch+0x1b4/0x910 [ 352.617252] ? __switch_to_asm+0x34/0x70 [ 352.621338] ? preempt_notifier_register+0x200/0x200 [ 352.626448] ? __switch_to_asm+0x34/0x70 [ 352.630514] ? __switch_to_asm+0x40/0x70 [ 352.634594] ? __switch_to_asm+0x34/0x70 [ 352.638657] ? __switch_to_asm+0x40/0x70 [ 352.642721] ? __switch_to_asm+0x34/0x70 [ 352.646786] ? __switch_to_asm+0x40/0x70 [ 352.650857] ? __switch_to_asm+0x40/0x70 [ 352.654933] ? pvclock_read_flags+0x160/0x160 [ 352.659445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.664988] ? check_preemption_disabled+0x48/0x280 [ 352.670049] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 352.675596] ? rcu_pm_notify+0xc0/0xc0 [ 352.679492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.685046] ? check_preemption_disabled+0x48/0x280 [ 352.690106] run_timer_softirq+0x52/0xb0 [ 352.694178] ? rcu_read_lock_sched_held+0x14f/0x180 [ 352.699201] __do_softirq+0x308/0xb7e [ 352.703013] ? retint_kernel+0x2d/0x2d [ 352.706934] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 352.712044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.717522] ? schedule+0x108/0x460 [ 352.721157] ? __schedule+0x21d0/0x21d0 [ 352.725148] ? trace_hardirqs_off+0xb8/0x310 [ 352.729584] ? smpboot_thread_fn+0x68b/0xa00 [ 352.734003] ? trace_hardirqs_on+0x310/0x310 [ 352.738420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.743974] ? check_preemption_disabled+0x48/0x280 [ 352.749013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.754561] ? takeover_tasklets+0xa90/0xa90 [ 352.758980] run_ksoftirqd+0x5e/0x100 [ 352.762792] smpboot_thread_fn+0x68b/0xa00 [ 352.767039] ? sort_range+0x30/0x30 [ 352.770697] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.775807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.781362] ? __kthread_parkme+0xfb/0x1a0 [ 352.785619] kthread+0x35a/0x420 [ 352.788990] ? sort_range+0x30/0x30 [ 352.792618] ? kthread_stop+0x900/0x900 [ 352.796602] ret_from_fork+0x3a/0x50 [ 352.800369] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 352.800375] warn_alloc_show_mem: 1 callbacks suppressed [ 352.800383] Mem-Info: [ 352.807071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.812453] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 352.812453] active_file:13 inactive_file:12 isolated_file:0 [ 352.812453] unevictable:0 dirty:0 writeback:0 unstable:0 [ 352.812453] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 352.812453] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 352.812453] free:13679 free_pcp:387 free_cma:0 [ 352.814831] Call Trace: [ 352.824237] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 352.857107] [ 352.859690] Node 0 [ 352.887238] dump_stack+0x244/0x39d [ 352.889426] 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 [ 352.891657] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.895259] lowmem_reserve[]: 0 [ 352.920822] warn_alloc.cold.117+0xb7/0x1bd [ 352.925992] 2818 6321 [ 352.929303] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.933593] 6321 [ 352.936107] ? lock_downgrade+0x900/0x900 [ 352.940923] Node 0 [ 352.942998] ? trace_hardirqs_off+0xb8/0x310 [ 352.947147] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 352.949365] ? trace_hardirqs_off+0xb8/0x310 [ 352.953738] lowmem_reserve[]: 0 [ 352.980777] __alloc_pages_slowpath+0x2660/0x2d70 [ 352.985166] 0 3503 [ 352.988492] ? warn_alloc+0x120/0x120 [ 352.993277] 3503 [ 352.995537] ? warn_alloc+0x120/0x120 [ 352.999320] Node 0 [ 353.001398] ? print_usage_bug+0xc0/0xc0 [ 353.005202] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 353.007420] ? warn_alloc+0x120/0x120 [ 353.011460] lowmem_reserve[]: [ 353.039849] ? print_usage_bug+0xc0/0xc0 [ 353.043627] 0 [ 353.046739] ? __lock_acquire+0x62f/0x4c20 [ 353.050767] 0 0 [ 353.052585] ? __lock_acquire+0x62f/0x4c20 [ 353.056793] 0 [ 353.058792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.063019] Node 0 [ 353.064840] ? should_fail+0x22d/0xd01 [ 353.070349] DMA: 1*4kB [ 353.072608] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.076470] (U) [ 353.079061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.084323] 0*8kB 0*16kB [ 353.086339] ? __lock_acquire+0x62f/0x4c20 [ 353.091426] 1*32kB (U) [ 353.094211] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.098412] 2*64kB (U) [ 353.101011] ? __lock_acquire+0x62f/0x4c20 [ 353.106092] 1*128kB (U) [ 353.108692] ? should_fail+0x22d/0xd01 [ 353.112901] 1*256kB (U) [ 353.115606] ? rcu_irq_exit+0x1a2/0x390 [ 353.119466] 0*512kB 1*1024kB [ 353.122162] ? mark_held_locks+0x130/0x130 [ 353.126103] (U) 1*2048kB [ 353.129235] ? mark_held_locks+0x130/0x130 [ 353.133428] (M) 3*4096kB [ 353.136221] ? mark_held_locks+0xc7/0x130 [ 353.140409] (M) = 15908kB [ 353.143182] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 353.143201] ? zap_class+0x640/0x640 [ 353.147342] Node 0 [ 353.150113] ? print_usage_bug+0xc0/0xc0 [ 353.155099] DMA32: 5*4kB [ 353.158831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.161048] (M) 1*8kB [ 353.165129] ? check_preemption_disabled+0x48/0x280 [ 353.167866] (U) [ 353.173416] ? __lock_is_held+0xb5/0x140 [ 353.175885] 4*16kB (M) [ 353.180934] __alloc_pages_nodemask+0xa80/0xde0 [ 353.182893] 2*32kB [ 353.186956] ? zap_class+0x640/0x640 [ 353.189510] (M) 4*64kB [ 353.194204] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 353.196405] (UM) 3*128kB [ 353.200147] ? find_held_lock+0x36/0x1c0 [ 353.202703] (M) [ 353.207731] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.210460] 4*256kB [ 353.214521] ? lock_downgrade+0x900/0x900 [ 353.216469] (UM) 3*512kB [ 353.221160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.223471] (M) [ 353.227624] cache_grow_begin+0xa5/0x8c0 [ 353.230363] 3*1024kB (UM) [ 353.235919] ? do_raw_spin_unlock+0xa7/0x330 [ 353.237880] 3*2048kB [ 353.241945] fallback_alloc+0x204/0x2e0 [ 353.244769] (UM) [ 353.249183] ____cache_alloc_node+0x1c7/0x1e0 [ 353.251557] 3*4096kB (M) [ 353.255553] kmem_cache_alloc_node+0xe3/0x730 [ 353.257595] = 24860kB [ 353.262094] ? ipv6_get_ifaddr+0x42e/0x620 [ 353.264824] Node 0 [ 353.269333] __alloc_skb+0x119/0x770 [ 353.271720] Normal: 767*4kB [ 353.275978] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.278191] (UME) [ 353.281913] ? netdev_alloc_frag+0x1f0/0x1f0 [ 353.284912] 454*8kB [ 353.290192] ? lock_downgrade+0x900/0x900 [ 353.292330] (ME) [ 353.296746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.299041] 185*16kB [ 353.303194] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.305225] (UME) 80*32kB [ 353.310786] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.313176] (UME) [ 353.318626] ? addrconf_rs_timer+0x690/0x690 [ 353.321448] 22*64kB [ 353.326919] ndisc_alloc_skb+0x144/0x340 [ 353.329044] (M) [ 353.333457] ndisc_send_rs+0x331/0x6e0 [ 353.335755] 1*128kB [ 353.339821] addrconf_rs_timer+0x314/0x690 [ 353.341787] (U) [ 353.345684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.347986] 1*256kB [ 353.352229] call_timer_fn+0x272/0x920 [ 353.354171] (U) [ 353.358408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.360712] 0*512kB [ 353.364606] ? process_timeout+0x40/0x40 [ 353.366556] 0*1024kB [ 353.370795] ? mark_held_locks+0xc7/0x130 [ 353.373090] 0*2048kB [ 353.377158] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.379544] 0*4096kB = 14012kB [ 353.383704] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.386097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 353.390585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.393764] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 353.398263] ? lockdep_hardirqs_on+0x296/0x5b0 [ 353.407082] 163 total pagecache pages [ 353.411332] ? trace_hardirqs_on+0xbd/0x310 [ 353.419899] 0 pages in swap cache [ 353.424487] ? kasan_check_read+0x11/0x20 [ 353.428262] Swap cache stats: add 0, delete 0, find 0/0 [ 353.428272] Free swap = 0kB [ 353.432615] ? __run_timers+0x7da/0xc70 [ 353.436034] Total swap = 0kB [ 353.436044] 1965979 pages RAM [ 353.440196] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.445552] 0 pages HighMem/MovableOnly [ 353.445561] 342867 pages reserved [ 353.448589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.452537] 0 pages cma reserved [ 353.452680] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.455573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.458656] ksoftirqd/0 cpuset= [ 353.464329] __run_timers+0x7e5/0xc70 [ 353.468301] / [ 353.471768] ? timer_fixup_init+0x70/0x70 [ 353.475972] mems_allowed=0 [ 353.479339] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 353.514729] ? zap_class+0x640/0x640 [ 353.518470] ? print_usage_bug+0xc0/0xc0 [ 353.522547] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 353.527750] ? find_held_lock+0x36/0x1c0 [ 353.531841] ? zap_class+0x640/0x640 [ 353.535576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.541226] ? check_preemption_disabled+0x48/0x280 [ 353.546260] ? __lock_is_held+0xb5/0x140 [ 353.550359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.555912] ? check_preemption_disabled+0x48/0x280 [ 353.560948] run_timer_softirq+0x52/0xb0 [ 353.565018] ? rcu_read_lock_sched_held+0x14f/0x180 [ 353.570047] __do_softirq+0x308/0xb7e [ 353.573865] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 353.578364] ? lock_downgrade+0x900/0x900 [ 353.582522] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 353.587649] ? pvclock_read_flags+0x160/0x160 [ 353.592158] ? lapic_next_event+0x5a/0x90 [ 353.596322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.601878] ? kvm_clock_read+0x18/0x30 [ 353.605878] ? kvm_sched_clock_read+0x9/0x20 [ 353.610309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.615860] ? check_preemption_disabled+0x48/0x280 [ 353.620894] irq_exit+0x17f/0x1c0 [ 353.624366] smp_apic_timer_interrupt+0x1cb/0x760 [ 353.629222] ? smp_reschedule_interrupt+0x109/0x650 [ 353.634254] ? smp_call_function_single_interrupt+0x650/0x650 [ 353.640163] ? interrupt_entry+0xb5/0xc0 [ 353.644239] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.649266] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.654303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.659164] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.664187] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.669209] ? task_prio+0x50/0x50 [ 353.672755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.678318] ? check_preemption_disabled+0x48/0x280 [ 353.683359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.688221] apic_timer_interrupt+0xf/0x20 [ 353.692454] [ 353.694702] RIP: 0010:dump_stack+0x358/0x39d [ 353.699118] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 353.718033] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 353.725760] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 353.733046] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 353.740324] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 353.747609] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 353.754890] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 353.762218] ? dump_stack+0x34f/0x39d [ 353.766059] ? dump_stack_print_info.cold.1+0x20/0x20 [ 353.771278] dump_header+0x27b/0xf72 [ 353.775022] ? mark_held_locks+0x130/0x130 [ 353.779265] ? pagefault_out_of_memory+0x197/0x197 [ 353.784228] ? __lock_acquire+0x62f/0x4c20 [ 353.788473] ? zap_class+0x640/0x640 [ 353.792197] ? percpu_ref_get_many+0x240/0x240 [ 353.796789] ? print_usage_bug+0xc0/0xc0 [ 353.800865] ? print_usage_bug+0xc0/0xc0 [ 353.804947] ? zap_class+0x640/0x640 [ 353.808669] ? print_usage_bug+0xc0/0xc0 [ 353.812731] ? print_usage_bug+0xc0/0xc0 [ 353.816806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.822375] ? find_held_lock+0x36/0x1c0 [ 353.826459] ? mark_held_locks+0xc7/0x130 [ 353.830618] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 353.835731] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 353.840852] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 353.845445] ? trace_hardirqs_on+0xbd/0x310 [ 353.849772] ? kasan_check_read+0x11/0x20 [ 353.853935] ? ___ratelimit+0x3b4/0x672 [ 353.857925] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.863036] ? trace_hardirqs_on+0x310/0x310 [ 353.867456] ? lock_downgrade+0x900/0x900 [ 353.871623] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 353.876740] ? ___ratelimit+0x3b9/0x672 [ 353.880721] ? idr_get_free+0xec0/0xec0 [ 353.884721] ? find_held_lock+0x36/0x1c0 [ 353.888817] oom_kill_process.cold.27+0x10/0x903 [ 353.893605] ? zap_class+0x640/0x640 [ 353.897336] ? check_preemption_disabled+0x48/0x280 [ 353.902374] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 353.907323] ? kasan_check_read+0x11/0x20 [ 353.911495] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.916791] ? oom_evaluate_task+0x540/0x540 [ 353.921214] ? find_held_lock+0x36/0x1c0 [ 353.925302] ? out_of_memory+0x974/0x1430 [ 353.929470] ? lock_downgrade+0x900/0x900 [ 353.933639] ? check_preemption_disabled+0x48/0x280 [ 353.938682] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 353.943628] ? kasan_check_read+0x11/0x20 [ 353.947816] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.953130] ? rcu_softirq_qs+0x20/0x20 [ 353.957130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.962689] ? oom_evaluate_task+0x302/0x540 [ 353.967123] out_of_memory+0xa84/0x1430 [ 353.971133] ? oom_killer_disable+0x3a0/0x3a0 [ 353.975660] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 353.980616] ? __mutex_add_waiter+0x2a0/0x2a0 [ 353.985144] __alloc_pages_slowpath+0x22d4/0x2d70 [ 353.990037] ? warn_alloc+0x120/0x120 [ 353.993863] ? rcu_softirq_qs+0x20/0x20 [ 353.997892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.003464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.009032] ? should_fail+0x22d/0xd01 [ 354.012944] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.018076] ? zap_class+0x640/0x640 [ 354.021840] ? __lock_is_held+0xb5/0x140 [ 354.025931] ? mark_held_locks+0x130/0x130 [ 354.030181] ? lock_release+0xa00/0xa00 [ 354.034175] ? perf_trace_sched_process_exec+0x860/0x860 [ 354.039679] ? __might_sleep+0x95/0x190 [ 354.043672] __alloc_pages_nodemask+0xa80/0xde0 [ 354.048358] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 354.053387] ? __page_cache_alloc+0x191/0x5c0 [ 354.057898] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.062848] ? kasan_check_read+0x11/0x20 [ 354.067014] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.072347] ? zap_class+0x640/0x640 [ 354.076089] ? zap_class+0x640/0x640 [ 354.079833] ? zap_class+0x640/0x640 [ 354.083565] ? __do_page_cache_readahead+0x7ce/0x980 [ 354.088687] ? find_held_lock+0x36/0x1c0 [ 354.092762] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 354.098426] alloc_pages_current+0x173/0x350 [ 354.102878] __page_cache_alloc+0x38c/0x5c0 [ 354.107223] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.112208] ? kasan_check_read+0x11/0x20 [ 354.116421] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.121727] ? generic_perform_write+0x6a0/0x6a0 [ 354.126525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.132113] ? check_preemption_disabled+0x48/0x280 [ 354.137162] filemap_fault+0x1594/0x25f0 [ 354.141269] ? __lock_page_or_retry+0xa00/0xa00 [ 354.145967] ? mark_held_locks+0x130/0x130 [ 354.150219] ? rcu_softirq_qs+0x20/0x20 [ 354.154222] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.159344] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 354.163950] ? trace_hardirqs_on+0xbd/0x310 [ 354.168314] ? filemap_map_pages+0xe04/0x1990 [ 354.172840] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 354.177956] ? __free_object+0x173/0x340 [ 354.182042] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 354.187014] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.192139] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 354.196842] ? debug_object_free+0x32d/0x690 [ 354.201272] ? kasan_check_read+0x11/0x20 [ 354.205460] ? debug_object_destroy+0x2b0/0x2b0 [ 354.210153] ? lock_pi_update_atomic+0x150/0x150 [ 354.214944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.220524] ? __hrtimer_init+0xdb/0x240 [ 354.224624] ? lock_acquire+0x1ed/0x520 [ 354.228617] ? ext4_filemap_fault+0x7a/0xad [ 354.232962] ? lock_release+0xa00/0xa00 [ 354.236947] ? perf_trace_sched_process_exec+0x860/0x860 [ 354.242419] ? print_usage_bug+0xc0/0xc0 [ 354.246502] ? print_usage_bug+0xc0/0xc0 [ 354.250593] ? down_read+0x8d/0x120 [ 354.254230] ? ext4_filemap_fault+0x7a/0xad [ 354.258566] ? __down_interruptible+0x700/0x700 [ 354.263255] ext4_filemap_fault+0x82/0xad [ 354.267431] __do_fault+0x100/0x6b0 [ 354.271079] ? pmd_devmap_trans_unstable+0x220/0x220 [ 354.276196] ? mark_held_locks+0x130/0x130 [ 354.280440] ? mark_held_locks+0x130/0x130 [ 354.284684] ? debug_smp_processor_id+0x1c/0x20 [ 354.289370] ? perf_trace_lock+0x14d/0x7a0 [ 354.293622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.299172] __handle_mm_fault+0x307c/0x5920 [ 354.303588] ? perf_trace_lock+0x7a0/0x7a0 [ 354.307853] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 354.312712] ? lock_is_held_type+0x210/0x210 [ 354.317140] ? ksys_dup3+0x680/0x680 [ 354.320878] ? zap_class+0x640/0x640 [ 354.324598] ? zap_class+0x640/0x640 [ 354.328328] ? __x64_sys_futex+0x53e/0x6a0 [ 354.332587] ? find_held_lock+0x36/0x1c0 [ 354.336665] ? handle_mm_fault+0x42a/0xc70 [ 354.340907] ? lock_downgrade+0x900/0x900 [ 354.345058] ? check_preemption_disabled+0x48/0x280 [ 354.350099] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.355041] ? kasan_check_read+0x11/0x20 [ 354.359571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.364869] ? rcu_softirq_qs+0x20/0x20 [ 354.368864] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.373989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.379563] ? check_preemption_disabled+0x48/0x280 [ 354.384599] handle_mm_fault+0x54f/0xc70 [ 354.388683] ? __handle_mm_fault+0x5920/0x5920 [ 354.393297] ? find_vma+0x34/0x190 [ 354.396862] __do_page_fault+0x5e8/0xe60 [ 354.400928] ? trace_hardirqs_off+0xb8/0x310 [ 354.405368] ? kernel_write+0x120/0x120 [ 354.409399] do_page_fault+0xf2/0x7e0 [ 354.413211] ? vmalloc_sync_all+0x30/0x30 [ 354.417371] ? error_entry+0x70/0xd0 [ 354.421092] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.426121] ? trace_hardirqs_on_caller+0xc0/0x310 [ 354.431079] ? syscall_return_slowpath+0x5e0/0x5e0 [ 354.436019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.440875] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.445919] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.451418] ? prepare_exit_to_usermode+0x291/0x3b0 [ 354.456472] ? page_fault+0x8/0x30 [ 354.460025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.464882] ? page_fault+0x8/0x30 [ 354.468444] page_fault+0x1e/0x30 [ 354.471920] RIP: 0033:0x45ddf3 [ 354.475141] Code: Bad RIP value. [ 354.478509] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 354.483875] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 354.491155] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 354.498437] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 354.505718] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 354.513000] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 354.520316] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 354.520402] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 354.526834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.526845] Call Trace: [ 354.533488] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.542708] dump_stack+0x244/0x39d [ 354.545272] syz-fuzzer cpuset= [ 354.555526] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.559134] / [ 354.562345] warn_alloc.cold.117+0xb7/0x1bd [ 354.567503] mems_allowed=0 [ 354.576470] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.581343] ? lock_downgrade+0x900/0x900 [ 354.585515] ? trace_hardirqs_off+0xb8/0x310 [ 354.589933] ? trace_hardirqs_off+0xb8/0x310 [ 354.594359] __alloc_pages_slowpath+0x2660/0x2d70 [ 354.599241] ? warn_alloc+0x120/0x120 [ 354.603059] ? warn_alloc+0x120/0x120 [ 354.606889] ? print_usage_bug+0xc0/0xc0 [ 354.610964] ? warn_alloc+0x120/0x120 [ 354.614769] ? print_usage_bug+0xc0/0xc0 [ 354.618848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.624406] ? should_fail+0x22d/0xd01 [ 354.628307] ? should_fail+0x22d/0xd01 [ 354.632207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.637331] ? __lock_acquire+0x62f/0x4c20 [ 354.641586] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.646692] ? __lock_acquire+0x62f/0x4c20 [ 354.650951] ? should_fail+0x22d/0xd01 [ 354.654841] ? should_fail+0x22d/0xd01 [ 354.658738] ? find_held_lock+0x36/0x1c0 [ 354.662814] ? mark_held_locks+0x130/0x130 [ 354.667057] ? mark_held_locks+0x130/0x130 [ 354.671306] ? zap_class+0x640/0x640 [ 354.675033] ? kasan_check_read+0x11/0x20 [ 354.679193] ? __lock_acquire+0x2aff/0x4c20 [ 354.683520] ? zap_class+0x640/0x640 [ 354.687240] ? print_usage_bug+0xc0/0xc0 [ 354.691315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.696878] ? check_preemption_disabled+0x48/0x280 [ 354.701913] ? __lock_is_held+0xb5/0x140 [ 354.705992] __alloc_pages_nodemask+0xa80/0xde0 [ 354.710666] ? zap_class+0x640/0x640 [ 354.714403] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 354.719444] ? find_held_lock+0x36/0x1c0 [ 354.723519] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.728191] ? lock_downgrade+0x900/0x900 [ 354.732370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.737922] cache_grow_begin+0xa5/0x8c0 [ 354.741988] ? do_raw_spin_unlock+0xa7/0x330 [ 354.746426] fallback_alloc+0x204/0x2e0 [ 354.750431] ____cache_alloc_node+0x1c7/0x1e0 [ 354.754938] kmem_cache_alloc_node+0xe3/0x730 [ 354.759450] ? ipv6_get_ifaddr+0x42e/0x620 [ 354.763698] __alloc_skb+0x119/0x770 [ 354.767431] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.772721] ? netdev_alloc_frag+0x1f0/0x1f0 [ 354.777136] ? lock_downgrade+0x900/0x900 [ 354.781306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.786869] ? refcount_sub_and_test_checked+0x203/0x310 [ 354.792350] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 354.797818] ? addrconf_rs_timer+0x690/0x690 [ 354.802246] ndisc_alloc_skb+0x144/0x340 [ 354.806335] ndisc_send_rs+0x331/0x6e0 [ 354.810240] addrconf_rs_timer+0x314/0x690 [ 354.814486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.818741] call_timer_fn+0x272/0x920 [ 354.822645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.826901] ? process_timeout+0x40/0x40 [ 354.830984] ? __run_timers+0x7da/0xc70 [ 354.834965] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.839466] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.843979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.848237] ? lockdep_hardirqs_on+0x296/0x5b0 [ 354.852839] ? trace_hardirqs_on+0xbd/0x310 [ 354.857173] ? kasan_check_read+0x11/0x20 [ 354.861334] ? __run_timers+0x7da/0xc70 [ 354.865333] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.870468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.874722] __run_timers+0x7e5/0xc70 [ 354.878551] ? timer_fixup_init+0x70/0x70 [ 354.882709] ? compat_start_thread+0x80/0x80 [ 354.887133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.892703] ? _raw_spin_unlock_irq+0x60/0x80 [ 354.897211] ? finish_task_switch+0x1f4/0x910 [ 354.901722] ? finish_task_switch+0x1b4/0x910 [ 354.906226] ? __switch_to_asm+0x34/0x70 [ 354.910317] ? preempt_notifier_register+0x200/0x200 [ 354.915442] ? __switch_to_asm+0x34/0x70 [ 354.919509] ? __switch_to_asm+0x40/0x70 [ 354.923574] ? __switch_to_asm+0x34/0x70 [ 354.927652] ? __switch_to_asm+0x40/0x70 [ 354.931729] ? __switch_to_asm+0x34/0x70 [ 354.935796] ? __switch_to_asm+0x40/0x70 [ 354.939862] ? __switch_to_asm+0x40/0x70 [ 354.943935] ? pvclock_read_flags+0x160/0x160 [ 354.948441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.954004] ? check_preemption_disabled+0x48/0x280 [ 354.959041] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 354.964587] ? rcu_pm_notify+0xc0/0xc0 [ 354.968485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.974042] ? check_preemption_disabled+0x48/0x280 [ 354.979082] run_timer_softirq+0x52/0xb0 [ 354.983166] ? rcu_read_lock_sched_held+0x14f/0x180 [ 354.988208] __do_softirq+0x308/0xb7e [ 354.992030] ? retint_kernel+0x2d/0x2d [ 354.995926] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 355.001034] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.006509] ? schedule+0x108/0x460 [ 355.010149] ? __schedule+0x21d0/0x21d0 [ 355.014139] ? trace_hardirqs_off+0xb8/0x310 [ 355.018560] ? smpboot_thread_fn+0x68b/0xa00 [ 355.022972] ? trace_hardirqs_on+0x310/0x310 [ 355.027391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.032954] ? check_preemption_disabled+0x48/0x280 [ 355.037998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.043554] ? takeover_tasklets+0xa90/0xa90 [ 355.047966] run_ksoftirqd+0x5e/0x100 [ 355.051779] smpboot_thread_fn+0x68b/0xa00 [ 355.056031] ? sort_range+0x30/0x30 [ 355.059680] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 355.064793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.070342] ? __kthread_parkme+0xfb/0x1a0 [ 355.074603] kthread+0x35a/0x420 [ 355.077975] ? sort_range+0x30/0x30 [ 355.081606] ? kthread_stop+0x900/0x900 [ 355.085600] ret_from_fork+0x3a/0x50 [ 355.089345] warn_alloc_show_mem: 1 callbacks suppressed [ 355.089358] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 355.089359] Mem-Info: [ 355.089392] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 355.089392] active_file:13 inactive_file:12 isolated_file:0 [ 355.089392] unevictable:0 dirty:0 writeback:0 unstable:0 [ 355.089392] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 355.089392] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 355.089392] free:13679 free_pcp:387 free_cma:0 [ 355.094746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.094757] Call Trace: [ 355.101450] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 355.103857] [ 355.136746] Node 0 [ 355.146118] dump_stack+0x244/0x39d [ 355.148708] 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 [ 355.176203] ? dump_stack_print_info.cold.1+0x20/0x20 [ 355.178341] lowmem_reserve[]: [ 355.180593] warn_alloc.cold.117+0xb7/0x1bd [ 355.184206] 0 [ 355.209729] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.214910] 2818 [ 355.218031] ? lock_downgrade+0x900/0x900 [ 355.222349] 6321 [ 355.224159] ? trace_hardirqs_off+0xb8/0x310 [ 355.228971] 6321 [ 355.231038] ? trace_hardirqs_off+0xb8/0x310 [ 355.235166] Node 0 [ 355.237257] __alloc_pages_slowpath+0x2660/0x2d70 [ 355.241668] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 355.243738] ? warn_alloc+0x120/0x120 [ 355.248089] lowmem_reserve[]: 0 [ 355.250345] ? warn_alloc+0x120/0x120 [ 355.255170] 0 3503 [ 355.282191] ? print_usage_bug+0xc0/0xc0 [ 355.285973] 3503 [ 355.289260] ? warn_alloc+0x120/0x120 [ 355.295310] ? print_usage_bug+0xc0/0xc0 [ 355.299358] Node 0 [ 355.301427] ? __lock_acquire+0x62f/0x4c20 [ 355.305224] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 355.309279] ? __lock_acquire+0x62f/0x4c20 [ 355.311497] lowmem_reserve[]: 0 [ 355.315753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.344101] 0 0 [ 355.348367] ? should_fail+0x22d/0xd01 [ 355.351633] 0 [ 355.357181] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.357201] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.363067] ? __lock_acquire+0x62f/0x4c20 [ 355.364844] Node 0 [ 355.370123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.375206] DMA: 1*4kB [ 355.379498] ? __lock_acquire+0x62f/0x4c20 [ 355.379516] ? should_fail+0x22d/0xd01 [ 355.381759] (U) [ 355.386872] ? rcu_irq_exit+0x1a2/0x390 [ 355.389425] 0*8kB 0*16kB [ 355.393680] ? mark_held_locks+0x130/0x130 [ 355.397537] 1*32kB (U) [ 355.399537] ? mark_held_locks+0x130/0x130 [ 355.403488] 2*64kB (U) [ 355.406269] ? mark_held_locks+0xc7/0x130 [ 355.410467] 1*128kB (U) [ 355.413068] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 355.417275] 1*256kB (U) [ 355.419884] ? zap_class+0x640/0x640 [ 355.424011] 0*512kB [ 355.426697] ? print_usage_bug+0xc0/0xc0 [ 355.431698] 1*1024kB [ 355.434380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.438084] (U) 1*2048kB [ 355.440436] ? check_preemption_disabled+0x48/0x280 [ 355.444471] (M) [ 355.446894] ? __lock_is_held+0xb5/0x140 [ 355.452395] 3*4096kB (M) [ 355.455176] __alloc_pages_nodemask+0xa80/0xde0 [ 355.460169] = 15908kB [ 355.460179] Node 0 [ 355.462164] ? zap_class+0x640/0x640 [ 355.466511] DMA32: 5*4kB [ 355.469302] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 355.473938] (M) [ 355.476363] ? find_held_lock+0x36/0x1c0 [ 355.478570] 1*8kB (U) [ 355.482323] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.485060] 4*16kB [ 355.490114] ? lock_downgrade+0x900/0x900 [ 355.492066] (M) [ 355.496136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.498613] 2*32kB [ 355.503314] cache_grow_begin+0xa5/0x8c0 [ 355.505549] (M) [ 355.509706] ? do_raw_spin_unlock+0xa7/0x330 [ 355.511662] 4*64kB [ 355.517211] fallback_alloc+0x204/0x2e0 [ 355.519413] (UM) 3*128kB [ 355.523498] ____cache_alloc_node+0x1c7/0x1e0 [ 355.525449] (M) [ 355.529872] kmem_cache_alloc_node+0xe3/0x730 [ 355.532087] 4*256kB [ 355.536084] ? ipv6_get_ifaddr+0x42e/0x620 [ 355.538812] (UM) [ 355.543348] __alloc_skb+0x119/0x770 [ 355.545314] 3*512kB [ 355.549821] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.552116] (M) [ 355.556358] ? netdev_alloc_frag+0x1f0/0x1f0 [ 355.558400] 3*1024kB [ 355.562128] ? lock_downgrade+0x900/0x900 [ 355.564437] (UM) [ 355.569726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.571670] 3*2048kB (UM) [ 355.576093] ? refcount_sub_and_test_checked+0x203/0x310 [ 355.578487] 3*4096kB (M) [ 355.582661] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 355.584702] = 24860kB [ 355.584713] Node 0 [ 355.590296] ? addrconf_rs_timer+0x690/0x690 [ 355.593121] Normal: [ 355.598586] ndisc_alloc_skb+0x144/0x340 [ 355.601317] 767*4kB [ 355.606778] ndisc_send_rs+0x331/0x6e0 [ 355.609166] (UME) [ 355.611417] addrconf_rs_timer+0x314/0x690 [ 355.615797] 454*8kB [ 355.618219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.622249] (ME) 185*16kB [ 355.624617] call_timer_fn+0x272/0x920 [ 355.628476] (UME) [ 355.630634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.634841] 80*32kB (UME) [ 355.637193] ? process_timeout+0x40/0x40 [ 355.641408] 22*64kB [ 355.644271] ? mark_held_locks+0xc7/0x130 [ 355.648139] (M) 1*128kB [ 355.650317] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.654534] (U) [ 355.657386] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.661417] 1*256kB (U) [ 355.663763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.667892] 0*512kB 0*1024kB [ 355.670587] ? lockdep_hardirqs_on+0x296/0x5b0 [ 355.675067] 0*2048kB 0*4096kB [ 355.677064] ? trace_hardirqs_on+0xbd/0x310 [ 355.681533] = 14012kB [ 355.684209] ? kasan_check_read+0x11/0x20 [ 355.688440] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 355.691564] ? __run_timers+0x7da/0xc70 [ 355.696131] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 355.696141] 163 total pagecache pages [ 355.699348] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.699369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.703687] 0 pages in swap cache [ 355.706104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.710245] Swap cache stats: add 0, delete 0, find 0/0 [ 355.710256] Free swap = 0kB [ 355.719130] __run_timers+0x7e5/0xc70 [ 355.723092] Total swap = 0kB [ 355.731693] ? timer_fixup_init+0x70/0x70 [ 355.735477] 1965979 pages RAM [ 355.740589] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 355.744804] 0 pages HighMem/MovableOnly [ 355.744815] 342867 pages reserved [ 355.748296] ? zap_class+0x640/0x640 [ 355.752510] 0 pages cma reserved [ 355.752636] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 355.757894] ? print_usage_bug+0xc0/0xc0 [ 355.757912] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 355.757932] ? find_held_lock+0x36/0x1c0 [ 355.760990] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.764739] ? zap_class+0x640/0x640 [ 355.767753] ksoftirqd/0 cpuset= [ 355.771918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.775002] / [ 355.780028] ? check_preemption_disabled+0x48/0x280 [ 355.783980] mems_allowed=0 [ 355.787439] ? __lock_is_held+0xb5/0x140 [ 355.850848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.856412] ? check_preemption_disabled+0x48/0x280 [ 355.861455] run_timer_softirq+0x52/0xb0 [ 355.865531] ? rcu_read_lock_sched_held+0x14f/0x180 [ 355.870560] __do_softirq+0x308/0xb7e [ 355.874408] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 355.878935] ? lock_downgrade+0x900/0x900 [ 355.883104] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 355.888252] ? pvclock_read_flags+0x160/0x160 [ 355.892771] ? lapic_next_event+0x5a/0x90 [ 355.896949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.902523] ? kvm_clock_read+0x18/0x30 [ 355.906520] ? kvm_sched_clock_read+0x9/0x20 [ 355.910960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.916519] ? check_preemption_disabled+0x48/0x280 [ 355.921570] irq_exit+0x17f/0x1c0 [ 355.925054] smp_apic_timer_interrupt+0x1cb/0x760 [ 355.929920] ? smp_reschedule_interrupt+0x109/0x650 [ 355.934966] ? smp_call_function_single_interrupt+0x650/0x650 [ 355.940899] ? interrupt_entry+0xb5/0xc0 [ 355.944987] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.950023] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.955082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.959958] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.964997] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.970037] ? task_prio+0x50/0x50 [ 355.973616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.979179] ? check_preemption_disabled+0x48/0x280 [ 355.984234] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.989116] apic_timer_interrupt+0xf/0x20 [ 355.993368] [ 355.995617] RIP: 0010:dump_stack+0x358/0x39d [ 356.000041] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 356.018959] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 356.026692] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 356.033985] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 356.041278] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 356.048582] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 356.055867] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 356.063186] ? dump_stack+0x34f/0x39d [ 356.067026] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.072249] dump_header+0x27b/0xf72 [ 356.075996] ? mark_held_locks+0x130/0x130 [ 356.080245] ? pagefault_out_of_memory+0x197/0x197 [ 356.085204] ? __lock_acquire+0x62f/0x4c20 [ 356.089475] ? zap_class+0x640/0x640 [ 356.093222] ? percpu_ref_get_many+0x240/0x240 [ 356.097830] ? print_usage_bug+0xc0/0xc0 [ 356.101907] ? print_usage_bug+0xc0/0xc0 [ 356.105988] ? zap_class+0x640/0x640 [ 356.109731] ? print_usage_bug+0xc0/0xc0 [ 356.113817] ? print_usage_bug+0xc0/0xc0 [ 356.117913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.123473] ? find_held_lock+0x36/0x1c0 [ 356.127564] ? mark_held_locks+0xc7/0x130 [ 356.131744] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.136882] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.142015] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 356.146629] ? trace_hardirqs_on+0xbd/0x310 [ 356.150976] ? kasan_check_read+0x11/0x20 [ 356.155143] ? ___ratelimit+0x3b4/0x672 [ 356.159154] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.164296] ? trace_hardirqs_on+0x310/0x310 [ 356.168737] ? lock_downgrade+0x900/0x900 [ 356.172917] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.178047] ? ___ratelimit+0x3b9/0x672 [ 356.182036] ? idr_get_free+0xec0/0xec0 [ 356.186029] ? find_held_lock+0x36/0x1c0 [ 356.190138] oom_kill_process.cold.27+0x10/0x903 [ 356.194927] ? zap_class+0x640/0x640 [ 356.198656] ? check_preemption_disabled+0x48/0x280 [ 356.203699] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.208645] ? kasan_check_read+0x11/0x20 [ 356.212821] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.218136] ? oom_evaluate_task+0x540/0x540 [ 356.222573] ? find_held_lock+0x36/0x1c0 [ 356.226662] ? out_of_memory+0x974/0x1430 [ 356.230833] ? lock_downgrade+0x900/0x900 [ 356.235000] ? check_preemption_disabled+0x48/0x280 [ 356.240047] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.245003] ? kasan_check_read+0x11/0x20 [ 356.249182] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.254487] ? rcu_softirq_qs+0x20/0x20 [ 356.258504] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.264068] ? oom_evaluate_task+0x302/0x540 [ 356.268512] out_of_memory+0xa84/0x1430 [ 356.272522] ? oom_killer_disable+0x3a0/0x3a0 [ 356.277048] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 356.282010] ? __mutex_add_waiter+0x2a0/0x2a0 [ 356.286551] __alloc_pages_slowpath+0x22d4/0x2d70 [ 356.291460] ? warn_alloc+0x120/0x120 [ 356.295299] ? rcu_softirq_qs+0x20/0x20 [ 356.299344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.304916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.310481] ? should_fail+0x22d/0xd01 [ 356.314406] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.319546] ? zap_class+0x640/0x640 [ 356.323334] ? __lock_is_held+0xb5/0x140 [ 356.327429] ? mark_held_locks+0x130/0x130 [ 356.331684] ? lock_release+0xa00/0xa00 [ 356.335711] ? perf_trace_sched_process_exec+0x860/0x860 [ 356.341221] ? __might_sleep+0x95/0x190 [ 356.345230] __alloc_pages_nodemask+0xa80/0xde0 [ 356.349935] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 356.354975] ? __page_cache_alloc+0x191/0x5c0 [ 356.359810] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.364776] ? kasan_check_read+0x11/0x20 [ 356.368953] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.374268] ? zap_class+0x640/0x640 [ 356.378033] ? zap_class+0x640/0x640 [ 356.381774] ? zap_class+0x640/0x640 [ 356.385518] ? __do_page_cache_readahead+0x7ce/0x980 [ 356.390650] ? find_held_lock+0x36/0x1c0 [ 356.394739] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 356.400315] alloc_pages_current+0x173/0x350 [ 356.404767] __page_cache_alloc+0x38c/0x5c0 [ 356.409116] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.414069] ? kasan_check_read+0x11/0x20 [ 356.418239] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.423541] ? generic_perform_write+0x6a0/0x6a0 [ 356.428339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.433908] ? check_preemption_disabled+0x48/0x280 [ 356.438960] filemap_fault+0x1594/0x25f0 [ 356.443057] ? __lock_page_or_retry+0xa00/0xa00 [ 356.447760] ? mark_held_locks+0x130/0x130 [ 356.452023] ? rcu_softirq_qs+0x20/0x20 [ 356.456024] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.461156] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 356.465765] ? trace_hardirqs_on+0xbd/0x310 [ 356.470123] ? filemap_map_pages+0xe04/0x1990 [ 356.474645] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.479778] ? __free_object+0x173/0x340 [ 356.483870] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 356.488822] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.493950] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 356.498653] ? debug_object_free+0x32d/0x690 [ 356.503067] ? kasan_check_read+0x11/0x20 [ 356.507240] ? debug_object_destroy+0x2b0/0x2b0 [ 356.511938] ? lock_pi_update_atomic+0x150/0x150 [ 356.516710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.522255] ? __hrtimer_init+0xdb/0x240 [ 356.526348] ? lock_acquire+0x1ed/0x520 [ 356.530342] ? ext4_filemap_fault+0x7a/0xad [ 356.534694] ? lock_release+0xa00/0xa00 [ 356.538703] ? perf_trace_sched_process_exec+0x860/0x860 [ 356.544165] ? print_usage_bug+0xc0/0xc0 [ 356.548240] ? print_usage_bug+0xc0/0xc0 [ 356.552339] ? down_read+0x8d/0x120 [ 356.555980] ? ext4_filemap_fault+0x7a/0xad [ 356.560326] ? __down_interruptible+0x700/0x700 [ 356.565020] ext4_filemap_fault+0x82/0xad [ 356.569182] __do_fault+0x100/0x6b0 [ 356.572842] ? pmd_devmap_trans_unstable+0x220/0x220 [ 356.577963] ? mark_held_locks+0x130/0x130 [ 356.582212] ? mark_held_locks+0x130/0x130 [ 356.586471] ? debug_smp_processor_id+0x1c/0x20 [ 356.591163] ? perf_trace_lock+0x14d/0x7a0 [ 356.595428] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.600985] __handle_mm_fault+0x307c/0x5920 [ 356.605407] ? perf_trace_lock+0x7a0/0x7a0 [ 356.609675] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 356.614547] ? lock_is_held_type+0x210/0x210 [ 356.618974] ? ksys_dup3+0x680/0x680 [ 356.622717] ? zap_class+0x640/0x640 [ 356.626434] ? zap_class+0x640/0x640 [ 356.630156] ? __x64_sys_futex+0x53e/0x6a0 [ 356.634428] ? find_held_lock+0x36/0x1c0 [ 356.638523] ? handle_mm_fault+0x42a/0xc70 [ 356.642777] ? lock_downgrade+0x900/0x900 [ 356.646933] ? check_preemption_disabled+0x48/0x280 [ 356.651968] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.656912] ? kasan_check_read+0x11/0x20 [ 356.661082] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.666388] ? rcu_softirq_qs+0x20/0x20 [ 356.670374] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.675502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.681079] ? check_preemption_disabled+0x48/0x280 [ 356.686120] handle_mm_fault+0x54f/0xc70 [ 356.690214] ? __handle_mm_fault+0x5920/0x5920 [ 356.694841] ? find_vma+0x34/0x190 [ 356.698404] __do_page_fault+0x5e8/0xe60 [ 356.702489] ? trace_hardirqs_off+0xb8/0x310 [ 356.706902] ? kernel_write+0x120/0x120 [ 356.710905] do_page_fault+0xf2/0x7e0 [ 356.714742] ? vmalloc_sync_all+0x30/0x30 [ 356.718910] ? error_entry+0x70/0xd0 [ 356.722644] ? trace_hardirqs_off_caller+0xbb/0x310 [ 356.727664] ? trace_hardirqs_on_caller+0xc0/0x310 [ 356.732605] ? syscall_return_slowpath+0x5e0/0x5e0 [ 356.737555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.742422] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.747467] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.752938] ? prepare_exit_to_usermode+0x291/0x3b0 [ 356.757977] ? page_fault+0x8/0x30 [ 356.761536] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.766408] ? page_fault+0x8/0x30 [ 356.769992] page_fault+0x1e/0x30 [ 356.773452] RIP: 0033:0x45ddf3 [ 356.776668] Code: Bad RIP value. [ 356.780037] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 356.785408] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 356.792689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 356.799976] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 356.807259] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 356.814551] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 356.821877] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 356.821941] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.828387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.828393] Call Trace: [ 356.828417] dump_stack+0x244/0x39d [ 356.828436] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.828463] warn_alloc.cold.117+0xb7/0x1bd [ 356.834995] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.844320] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.846892] syz-fuzzer cpuset= [ 356.850541] ? lock_downgrade+0x900/0x900 [ 356.855706] / [ 356.860042] ? trace_hardirqs_off+0xb8/0x310 [ 356.870250] mems_allowed=0 [ 356.891497] ? trace_hardirqs_off+0xb8/0x310 [ 356.895937] __alloc_pages_slowpath+0x2660/0x2d70 [ 356.900839] ? warn_alloc+0x120/0x120 [ 356.904665] ? warn_alloc+0x120/0x120 [ 356.908482] ? print_usage_bug+0xc0/0xc0 [ 356.912556] ? warn_alloc+0x120/0x120 [ 356.916365] ? print_usage_bug+0xc0/0xc0 [ 356.920462] ? __lock_acquire+0x62f/0x4c20 [ 356.924722] ? __lock_acquire+0x62f/0x4c20 [ 356.928976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.934521] ? should_fail+0x22d/0xd01 [ 356.938420] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.943541] ? __lock_acquire+0x62f/0x4c20 [ 356.947801] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.952918] ? __lock_acquire+0x62f/0x4c20 [ 356.957161] ? should_fail+0x22d/0xd01 [ 356.961062] ? find_held_lock+0x36/0x1c0 [ 356.965194] ? mark_held_locks+0x130/0x130 [ 356.969440] ? mark_held_locks+0x130/0x130 [ 356.973687] ? zap_class+0x640/0x640 [ 356.977413] ? zap_class+0x640/0x640 [ 356.981144] ? print_usage_bug+0xc0/0xc0 [ 356.985213] ? do_raw_spin_unlock+0xa7/0x330 [ 356.989636] ? zap_class+0x640/0x640 [ 356.993363] ? print_usage_bug+0xc0/0xc0 [ 356.997435] ? wq_watchdog_touch+0x9c/0xfe [ 357.001695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.007253] ? check_preemption_disabled+0x48/0x280 [ 357.012310] ? __lock_is_held+0xb5/0x140 [ 357.016403] __alloc_pages_nodemask+0xa80/0xde0 [ 357.021086] ? zap_class+0x640/0x640 [ 357.024828] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 357.029876] ? find_held_lock+0x36/0x1c0 [ 357.033960] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.038636] ? lock_downgrade+0x900/0x900 [ 357.042802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.048365] cache_grow_begin+0xa5/0x8c0 [ 357.052450] ? do_raw_spin_unlock+0xa7/0x330 [ 357.056882] fallback_alloc+0x204/0x2e0 [ 357.060874] ____cache_alloc_node+0x1c7/0x1e0 [ 357.065403] kmem_cache_alloc_node+0xe3/0x730 [ 357.069909] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.074159] __alloc_skb+0x119/0x770 [ 357.077887] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.083188] ? netdev_alloc_frag+0x1f0/0x1f0 [ 357.087614] ? lock_downgrade+0x900/0x900 [ 357.091778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.097343] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.102818] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.108301] ? addrconf_rs_timer+0x690/0x690 [ 357.112739] ndisc_alloc_skb+0x144/0x340 [ 357.116811] ndisc_send_rs+0x331/0x6e0 [ 357.120707] addrconf_rs_timer+0x314/0x690 [ 357.124974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.129253] call_timer_fn+0x272/0x920 [ 357.133163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.137408] ? process_timeout+0x40/0x40 [ 357.141485] ? __run_timers+0x7da/0xc70 [ 357.145477] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.149985] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.154493] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.158742] ? lockdep_hardirqs_on+0x296/0x5b0 [ 357.163349] ? trace_hardirqs_on+0xbd/0x310 [ 357.167701] ? kasan_check_read+0x11/0x20 [ 357.171865] ? __run_timers+0x7da/0xc70 [ 357.175851] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.180994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.185265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.189529] __run_timers+0x7e5/0xc70 [ 357.193356] ? timer_fixup_init+0x70/0x70 [ 357.197512] ? compat_start_thread+0x80/0x80 [ 357.201930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.207495] ? _raw_spin_unlock_irq+0x60/0x80 [ 357.212017] ? finish_task_switch+0x1f4/0x910 [ 357.216528] ? finish_task_switch+0x1b4/0x910 [ 357.221039] ? __switch_to_asm+0x34/0x70 [ 357.225123] ? preempt_notifier_register+0x200/0x200 [ 357.230266] ? __switch_to_asm+0x34/0x70 [ 357.234368] ? __switch_to_asm+0x40/0x70 [ 357.238436] ? __switch_to_asm+0x34/0x70 [ 357.242499] ? __switch_to_asm+0x40/0x70 [ 357.246595] ? __switch_to_asm+0x34/0x70 [ 357.250661] ? __switch_to_asm+0x40/0x70 [ 357.254729] ? __switch_to_asm+0x40/0x70 [ 357.258815] ? pvclock_read_flags+0x160/0x160 [ 357.263338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.268891] ? check_preemption_disabled+0x48/0x280 [ 357.273930] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 357.279484] ? rcu_pm_notify+0xc0/0xc0 [ 357.283398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.288956] ? check_preemption_disabled+0x48/0x280 [ 357.293990] run_timer_softirq+0x52/0xb0 [ 357.298057] ? rcu_read_lock_sched_held+0x14f/0x180 [ 357.303083] __do_softirq+0x308/0xb7e [ 357.306907] ? retint_kernel+0x2d/0x2d [ 357.310816] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 357.315933] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.321400] ? schedule+0x108/0x460 [ 357.325040] ? __schedule+0x21d0/0x21d0 [ 357.329033] ? trace_hardirqs_off+0xb8/0x310 [ 357.333479] ? smpboot_thread_fn+0x68b/0xa00 [ 357.338951] ? trace_hardirqs_on+0x310/0x310 [ 357.343374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.348933] ? check_preemption_disabled+0x48/0x280 [ 357.353965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.359520] ? takeover_tasklets+0xa90/0xa90 [ 357.363960] run_ksoftirqd+0x5e/0x100 [ 357.367782] smpboot_thread_fn+0x68b/0xa00 [ 357.372034] ? sort_range+0x30/0x30 [ 357.375671] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 357.380780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.386354] ? __kthread_parkme+0xfb/0x1a0 [ 357.390617] kthread+0x35a/0x420 [ 357.393992] ? sort_range+0x30/0x30 [ 357.397623] ? kthread_stop+0x900/0x900 [ 357.401606] ret_from_fork+0x3a/0x50 [ 357.405350] warn_alloc_show_mem: 1 callbacks suppressed [ 357.405362] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 357.405364] Mem-Info: [ 357.405395] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 357.405395] active_file:13 inactive_file:12 isolated_file:0 [ 357.405395] unevictable:0 dirty:0 writeback:0 unstable:0 [ 357.405395] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 357.405395] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 357.405395] free:13679 free_pcp:387 free_cma:0 [ 357.410756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.417446] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 357.419851] Call Trace: [ 357.452733] Node 0 [ 357.462101] [ 357.490010] 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 [ 357.492599] dump_stack+0x244/0x39d [ 357.494809] lowmem_reserve[]: 0 [ 357.496983] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.522465] 2818 6321 [ 357.526133] warn_alloc.cold.117+0xb7/0x1bd [ 357.529380] 6321 [ 357.534591] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.537061] Node 0 [ 357.541404] ? lock_downgrade+0x900/0x900 [ 357.543478] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 357.548323] ? trace_hardirqs_off+0xb8/0x310 [ 357.550545] lowmem_reserve[]: [ 357.554702] ? trace_hardirqs_off+0xb8/0x310 [ 357.581660] 0 0 [ 357.586103] __alloc_pages_slowpath+0x2660/0x2d70 [ 357.589186] 3503 [ 357.593636] ? warn_alloc+0x120/0x120 [ 357.595565] 3503 [ 357.600422] ? warn_alloc+0x120/0x120 [ 357.606265] ? print_usage_bug+0xc0/0xc0 [ 357.608311] Node 0 [ 357.612120] ? warn_alloc+0x120/0x120 [ 357.616201] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 357.618415] ? print_usage_bug+0xc0/0xc0 [ 357.622197] lowmem_reserve[]: 0 [ 357.650601] ? __lock_acquire+0x62f/0x4c20 [ 357.654647] 0 [ 357.657930] ? __lock_acquire+0x62f/0x4c20 [ 357.662131] 0 0 [ 357.663951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.670153] ? should_fail+0x22d/0xd01 [ 357.675674] Node 0 DMA: [ 357.679569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.679588] ? __lock_acquire+0x62f/0x4c20 [ 357.682239] 1*4kB [ 357.687355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.691570] (U) [ 357.693727] ? __lock_acquire+0x62f/0x4c20 [ 357.698827] 0*8kB 0*16kB [ 357.700831] ? should_fail+0x22d/0xd01 [ 357.705056] 1*32kB [ 357.707820] ? find_held_lock+0x36/0x1c0 [ 357.711684] (U) [ 357.713931] ? mark_held_locks+0x130/0x130 [ 357.717965] 2*64kB [ 357.719944] ? mark_held_locks+0x130/0x130 [ 357.724156] (U) 1*128kB [ 357.726421] ? zap_class+0x640/0x640 [ 357.730630] (U) 1*256kB [ 357.733324] ? zap_class+0x640/0x640 [ 357.737015] (U) [ 357.739685] ? print_usage_bug+0xc0/0xc0 [ 357.743378] 0*512kB [ 357.745357] ? do_raw_spin_unlock+0xa7/0x330 [ 357.749396] 1*1024kB (U) [ 357.751748] ? zap_class+0x640/0x640 [ 357.756135] 1*2048kB [ 357.758891] ? print_usage_bug+0xc0/0xc0 [ 357.762576] (M) [ 357.764990] ? wq_watchdog_touch+0x9c/0xfe [ 357.769030] 3*4096kB [ 357.771014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.775226] (M) [ 357.777649] ? check_preemption_disabled+0x48/0x280 [ 357.783170] = 15908kB [ 357.783180] Node 0 [ 357.785171] ? __lock_is_held+0xb5/0x140 [ 357.790153] DMA32: 5*4kB [ 357.792591] __alloc_pages_nodemask+0xa80/0xde0 [ 357.794795] (M) [ 357.798863] ? zap_class+0x640/0x640 [ 357.801593] 1*8kB (U) [ 357.806281] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 357.808236] 4*16kB (M) [ 357.811974] ? find_held_lock+0x36/0x1c0 [ 357.814442] 2*32kB [ 357.819465] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.822020] (M) [ 357.826092] ? lock_downgrade+0x900/0x900 [ 357.828313] 4*64kB (UM) [ 357.833012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.834962] 3*128kB [ 357.839116] cache_grow_begin+0xa5/0x8c0 [ 357.841764] (M) [ 357.847317] ? do_raw_spin_unlock+0xa7/0x330 [ 357.849632] 4*256kB [ 357.853722] fallback_alloc+0x204/0x2e0 [ 357.855670] (UM) [ 357.860084] ____cache_alloc_node+0x1c7/0x1e0 [ 357.862383] 3*512kB [ 357.866365] kmem_cache_alloc_node+0xe3/0x730 [ 357.868428] (M) [ 357.872930] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.875237] 3*1024kB [ 357.879749] __alloc_skb+0x119/0x770 [ 357.881701] (UM) [ 357.885941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.888362] 3*2048kB (UM) [ 357.892102] ? netdev_alloc_frag+0x1f0/0x1f0 [ 357.894153] 3*4096kB [ 357.899431] ? lock_downgrade+0x900/0x900 [ 357.902254] (M) [ 357.906683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.909078] = 24860kB [ 357.913241] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.915193] Node 0 [ 357.920739] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.923122] Normal: [ 357.928588] ? addrconf_rs_timer+0x690/0x690 [ 357.930811] 767*4kB [ 357.936297] ndisc_alloc_skb+0x144/0x340 [ 357.938595] (UME) [ 357.943011] ndisc_send_rs+0x331/0x6e0 [ 357.945320] 454*8kB [ 357.949414] addrconf_rs_timer+0x314/0x690 [ 357.951554] (ME) [ 357.955457] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.957814] 185*16kB (UME) 80*32kB [ 357.962093] call_timer_fn+0x272/0x920 [ 357.964124] (UME) 22*64kB [ 357.968383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.971997] (M) [ 357.975916] ? process_timeout+0x40/0x40 [ 357.978737] 1*128kB [ 357.982987] ? mark_held_locks+0xc7/0x130 [ 357.984946] (U) [ 357.989019] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.991344] 1*256kB [ 357.995514] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.997468] (U) [ 358.001967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.004270] 0*512kB [ 358.008782] ? lockdep_hardirqs_on+0x296/0x5b0 [ 358.010741] 0*1024kB [ 358.014987] ? trace_hardirqs_on+0xbd/0x310 [ 358.017296] 0*2048kB 0*4096kB [ 358.021898] ? kasan_check_read+0x11/0x20 [ 358.024292] = 14012kB [ 358.028612] ? __run_timers+0x7da/0xc70 [ 358.031794] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 358.035958] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.038360] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 358.038370] 163 total pagecache pages [ 358.042355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.051180] 0 pages in swap cache [ 358.056311] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.064894] Swap cache stats: add 0, delete 0, find 0/0 [ 358.068707] __run_timers+0x7e5/0xc70 [ 358.072948] Free swap = 0kB [ 358.076422] ? timer_fixup_init+0x70/0x70 [ 358.080641] Total swap = 0kB [ 358.086036] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 358.089834] 1965979 pages RAM [ 358.089845] 0 pages HighMem/MovableOnly [ 358.092883] ? zap_class+0x640/0x640 [ 358.097013] 342867 pages reserved [ 358.097024] 0 pages cma reserved [ 358.100068] ? print_usage_bug+0xc0/0xc0 [ 358.105154] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.108207] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 358.108227] ? find_held_lock+0x36/0x1c0 [ 358.108245] ? zap_class+0x640/0x640 [ 358.108267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.112395] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.116018] ? check_preemption_disabled+0x48/0x280 [ 358.119465] ksoftirqd/0 cpuset= [ 358.122857] ? __lock_is_held+0xb5/0x140 [ 358.126895] / [ 358.133418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.138601] mems_allowed=0 [ 358.184800] ? check_preemption_disabled+0x48/0x280 [ 358.189865] run_timer_softirq+0x52/0xb0 [ 358.193956] ? rcu_read_lock_sched_held+0x14f/0x180 [ 358.198993] __do_softirq+0x308/0xb7e [ 358.202819] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 358.207344] ? lock_downgrade+0x900/0x900 [ 358.211515] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 358.216640] ? pvclock_read_flags+0x160/0x160 [ 358.221165] ? lapic_next_event+0x5a/0x90 [ 358.225349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.230914] ? kvm_clock_read+0x18/0x30 [ 358.234906] ? kvm_sched_clock_read+0x9/0x20 [ 358.239338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.244901] ? check_preemption_disabled+0x48/0x280 [ 358.249955] irq_exit+0x17f/0x1c0 [ 358.253426] smp_apic_timer_interrupt+0x1cb/0x760 [ 358.258293] ? smp_reschedule_interrupt+0x109/0x650 [ 358.263350] ? smp_call_function_single_interrupt+0x650/0x650 [ 358.269262] ? interrupt_entry+0xb5/0xc0 [ 358.273366] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.278419] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.283498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.288369] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.293410] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.298449] ? task_prio+0x50/0x50 [ 358.302025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.307580] ? check_preemption_disabled+0x48/0x280 [ 358.312664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.317539] apic_timer_interrupt+0xf/0x20 [ 358.321779] [ 358.324028] RIP: 0010:dump_stack+0x358/0x39d [ 358.328454] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 358.347370] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 358.355101] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 358.362780] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 358.370062] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 358.377349] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 358.384632] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 358.391943] ? dump_stack+0x34f/0x39d [ 358.395779] ? dump_stack_print_info.cold.1+0x20/0x20 [ 358.401013] dump_header+0x27b/0xf72 [ 358.404758] ? mark_held_locks+0x130/0x130 [ 358.409013] ? pagefault_out_of_memory+0x197/0x197 [ 358.413978] ? __lock_acquire+0x62f/0x4c20 [ 358.418228] ? zap_class+0x640/0x640 [ 358.421957] ? percpu_ref_get_many+0x240/0x240 [ 358.426557] ? print_usage_bug+0xc0/0xc0 [ 358.430641] ? print_usage_bug+0xc0/0xc0 [ 358.434732] ? zap_class+0x640/0x640 [ 358.438474] ? print_usage_bug+0xc0/0xc0 [ 358.442565] ? print_usage_bug+0xc0/0xc0 [ 358.446657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.452220] ? find_held_lock+0x36/0x1c0 [ 358.456326] ? mark_held_locks+0xc7/0x130 [ 358.460516] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 358.465646] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 358.470772] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 358.475379] ? trace_hardirqs_on+0xbd/0x310 [ 358.479724] ? kasan_check_read+0x11/0x20 [ 358.483897] ? ___ratelimit+0x3b4/0x672 [ 358.487904] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.493026] ? trace_hardirqs_on+0x310/0x310 [ 358.497451] ? lock_downgrade+0x900/0x900 [ 358.501627] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 358.506753] ? ___ratelimit+0x3b9/0x672 [ 358.510781] ? idr_get_free+0xec0/0xec0 [ 358.514775] ? find_held_lock+0x36/0x1c0 [ 358.518868] oom_kill_process.cold.27+0x10/0x903 [ 358.523651] ? zap_class+0x640/0x640 [ 358.527379] ? check_preemption_disabled+0x48/0x280 [ 358.532412] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 358.537380] ? kasan_check_read+0x11/0x20 [ 358.541558] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.546863] ? oom_evaluate_task+0x540/0x540 [ 358.551301] ? find_held_lock+0x36/0x1c0 [ 358.555386] ? out_of_memory+0x974/0x1430 [ 358.559546] ? lock_downgrade+0x900/0x900 [ 358.563718] ? check_preemption_disabled+0x48/0x280 [ 358.568765] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 358.573718] ? kasan_check_read+0x11/0x20 [ 358.577891] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.583294] ? rcu_softirq_qs+0x20/0x20 [ 358.587320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.592891] ? oom_evaluate_task+0x302/0x540 [ 358.597341] out_of_memory+0xa84/0x1430 [ 358.601355] ? oom_killer_disable+0x3a0/0x3a0 [ 358.605886] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 358.610852] ? __mutex_add_waiter+0x2a0/0x2a0 [ 358.615411] __alloc_pages_slowpath+0x22d4/0x2d70 [ 358.620326] ? warn_alloc+0x120/0x120 [ 358.624155] ? rcu_softirq_qs+0x20/0x20 [ 358.628215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.633784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.639350] ? should_fail+0x22d/0xd01 [ 358.643274] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.648415] ? zap_class+0x640/0x640 [ 358.652183] ? __lock_is_held+0xb5/0x140 [ 358.656302] ? mark_held_locks+0x130/0x130 [ 358.660559] ? lock_release+0xa00/0xa00 [ 358.664555] ? perf_trace_sched_process_exec+0x860/0x860 [ 358.670054] ? __might_sleep+0x95/0x190 [ 358.674075] __alloc_pages_nodemask+0xa80/0xde0 [ 358.678776] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 358.683818] ? __page_cache_alloc+0x191/0x5c0 [ 358.688339] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 358.693309] ? kasan_check_read+0x11/0x20 [ 358.697491] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.702798] ? zap_class+0x640/0x640 [ 358.706557] ? zap_class+0x640/0x640 [ 358.710302] ? zap_class+0x640/0x640 [ 358.714049] ? __do_page_cache_readahead+0x7ce/0x980 [ 358.719192] ? find_held_lock+0x36/0x1c0 [ 358.723296] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 358.728871] alloc_pages_current+0x173/0x350 [ 358.733323] __page_cache_alloc+0x38c/0x5c0 [ 358.737671] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 358.742634] ? kasan_check_read+0x11/0x20 [ 358.746808] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.752126] ? generic_perform_write+0x6a0/0x6a0 [ 358.756916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.762489] ? check_preemption_disabled+0x48/0x280 [ 358.767548] filemap_fault+0x1594/0x25f0 [ 358.771648] ? __lock_page_or_retry+0xa00/0xa00 [ 358.776350] ? mark_held_locks+0x130/0x130 [ 358.780619] ? rcu_softirq_qs+0x20/0x20 [ 358.784617] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 358.789750] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 358.794377] ? trace_hardirqs_on+0xbd/0x310 [ 358.798731] ? filemap_map_pages+0xe04/0x1990 [ 358.803298] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 358.808449] ? __free_object+0x173/0x340 [ 358.812554] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 358.817513] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.822642] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 358.827396] ? debug_object_free+0x32d/0x690 [ 358.831837] ? kasan_check_read+0x11/0x20 [ 358.836002] ? debug_object_destroy+0x2b0/0x2b0 [ 358.840695] ? lock_pi_update_atomic+0x150/0x150 [ 358.845475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.851032] ? __hrtimer_init+0xdb/0x240 [ 358.855125] ? lock_acquire+0x1ed/0x520 [ 358.859124] ? ext4_filemap_fault+0x7a/0xad [ 358.863478] ? lock_release+0xa00/0xa00 [ 358.867472] ? perf_trace_sched_process_exec+0x860/0x860 [ 358.872945] ? print_usage_bug+0xc0/0xc0 [ 358.877023] ? print_usage_bug+0xc0/0xc0 [ 358.881118] ? down_read+0x8d/0x120 [ 358.884772] ? ext4_filemap_fault+0x7a/0xad [ 358.889126] ? __down_interruptible+0x700/0x700 [ 358.893828] ext4_filemap_fault+0x82/0xad [ 358.897996] __do_fault+0x100/0x6b0 [ 358.901645] ? pmd_devmap_trans_unstable+0x220/0x220 [ 358.906781] ? mark_held_locks+0x130/0x130 [ 358.911047] ? mark_held_locks+0x130/0x130 [ 358.915316] ? debug_smp_processor_id+0x1c/0x20 [ 358.920013] ? perf_trace_lock+0x14d/0x7a0 [ 358.924273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.929882] __handle_mm_fault+0x307c/0x5920 [ 358.934324] ? perf_trace_lock+0x7a0/0x7a0 [ 358.938603] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 358.943470] ? lock_is_held_type+0x210/0x210 [ 358.947906] ? ksys_dup3+0x680/0x680 [ 358.951675] ? zap_class+0x640/0x640 [ 358.955414] ? zap_class+0x640/0x640 [ 358.959140] ? __x64_sys_futex+0x53e/0x6a0 [ 358.963415] ? find_held_lock+0x36/0x1c0 [ 358.967516] ? handle_mm_fault+0x42a/0xc70 [ 358.971781] ? lock_downgrade+0x900/0x900 [ 358.975946] ? check_preemption_disabled+0x48/0x280 [ 358.980981] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 358.985925] ? kasan_check_read+0x11/0x20 [ 358.990109] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.995414] ? rcu_softirq_qs+0x20/0x20 [ 358.999432] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.004555] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.010112] ? check_preemption_disabled+0x48/0x280 [ 359.015163] handle_mm_fault+0x54f/0xc70 [ 359.019251] ? __handle_mm_fault+0x5920/0x5920 [ 359.023867] ? find_vma+0x34/0x190 [ 359.027430] __do_page_fault+0x5e8/0xe60 [ 359.031505] ? trace_hardirqs_off+0xb8/0x310 [ 359.035933] ? kernel_write+0x120/0x120 [ 359.039940] do_page_fault+0xf2/0x7e0 [ 359.043766] ? vmalloc_sync_all+0x30/0x30 [ 359.047930] ? error_entry+0x70/0xd0 [ 359.051662] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.056698] ? trace_hardirqs_on_caller+0xc0/0x310 [ 359.061644] ? syscall_return_slowpath+0x5e0/0x5e0 [ 359.066587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.071451] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.076491] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.081971] ? prepare_exit_to_usermode+0x291/0x3b0 [ 359.087006] ? page_fault+0x8/0x30 [ 359.090565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.095438] ? page_fault+0x8/0x30 [ 359.099020] page_fault+0x1e/0x30 [ 359.102496] RIP: 0033:0x45ddf3 [ 359.105721] Code: Bad RIP value. [ 359.109085] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 359.114460] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 359.121744] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 359.129034] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 359.136326] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 359.143614] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 359.150931] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 359.150997] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 359.157447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.157453] Call Trace: [ 359.157479] dump_stack+0x244/0x39d [ 359.157496] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.157522] warn_alloc.cold.117+0xb7/0x1bd [ 359.164073] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.173390] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.175959] syz-fuzzer cpuset= [ 359.179599] ? lock_downgrade+0x900/0x900 [ 359.184773] / [ 359.189120] ? trace_hardirqs_off+0xb8/0x310 [ 359.199333] mems_allowed=0 [ 359.220588] ? trace_hardirqs_off+0xb8/0x310 [ 359.225043] __alloc_pages_slowpath+0x2660/0x2d70 [ 359.229970] ? warn_alloc+0x120/0x120 [ 359.233810] ? warn_alloc+0x120/0x120 [ 359.237628] ? print_usage_bug+0xc0/0xc0 [ 359.241706] ? warn_alloc+0x120/0x120 [ 359.245534] ? print_usage_bug+0xc0/0xc0 [ 359.249645] ? __bfs+0x321/0x780 [ 359.253049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.258605] ? should_fail+0x22d/0xd01 [ 359.262515] ? __lock_acquire+0x62f/0x4c20 [ 359.266777] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.271905] ? __lock_acquire+0x62f/0x4c20 [ 359.276167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.281302] ? __lock_acquire+0x62f/0x4c20 [ 359.285570] ? should_fail+0x22d/0xd01 [ 359.289508] ? mark_held_locks+0x130/0x130 [ 359.293772] ? mark_held_locks+0x130/0x130 [ 359.298063] ? mark_held_locks+0x130/0x130 [ 359.302348] ? zap_class+0x640/0x640 [ 359.306092] ? print_usage_bug+0xc0/0xc0 [ 359.310191] ? mark_held_locks+0x130/0x130 [ 359.314460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.320046] ? check_preemption_disabled+0x48/0x280 [ 359.325102] ? __lock_is_held+0xb5/0x140 [ 359.329199] __alloc_pages_nodemask+0xa80/0xde0 [ 359.333897] ? zap_class+0x640/0x640 [ 359.337644] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 359.342688] ? find_held_lock+0x36/0x1c0 [ 359.346790] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.351489] ? lock_downgrade+0x900/0x900 [ 359.355671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.361256] cache_grow_begin+0xa5/0x8c0 [ 359.365353] ? do_raw_spin_unlock+0xa7/0x330 [ 359.369795] fallback_alloc+0x204/0x2e0 [ 359.373806] ____cache_alloc_node+0x1c7/0x1e0 [ 359.378343] kmem_cache_alloc_node+0xe3/0x730 [ 359.382863] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.387133] __alloc_skb+0x119/0x770 [ 359.390867] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.396172] ? netdev_alloc_frag+0x1f0/0x1f0 [ 359.400623] ? lock_downgrade+0x900/0x900 [ 359.404802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.410398] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.415887] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.421372] ? addrconf_rs_timer+0x690/0x690 [ 359.425812] ndisc_alloc_skb+0x144/0x340 [ 359.429895] ndisc_send_rs+0x331/0x6e0 [ 359.433798] addrconf_rs_timer+0x314/0x690 [ 359.438112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.442391] call_timer_fn+0x272/0x920 [ 359.446305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.450562] ? process_timeout+0x40/0x40 [ 359.454644] ? __run_timers+0x7da/0xc70 [ 359.458642] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.463165] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.468060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.472333] ? lockdep_hardirqs_on+0x296/0x5b0 [ 359.476943] ? trace_hardirqs_on+0xbd/0x310 [ 359.481297] ? kasan_check_read+0x11/0x20 [ 359.485477] ? __run_timers+0x7da/0xc70 [ 359.489481] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.494615] ? tcp_compressed_ack_kick+0x220/0x220 [ 359.499578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.503864] __run_timers+0x7e5/0xc70 [ 359.507704] ? timer_fixup_init+0x70/0x70 [ 359.511873] ? compat_start_thread+0x80/0x80 [ 359.516329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.521903] ? _raw_spin_unlock_irq+0x60/0x80 [ 359.526430] ? finish_task_switch+0x1f4/0x910 [ 359.530946] ? finish_task_switch+0x1b4/0x910 [ 359.535464] ? __switch_to_asm+0x34/0x70 [ 359.539574] ? preempt_notifier_register+0x200/0x200 [ 359.544724] ? __switch_to_asm+0x34/0x70 [ 359.548827] ? __switch_to_asm+0x40/0x70 [ 359.552916] ? __switch_to_asm+0x34/0x70 [ 359.556994] ? __switch_to_asm+0x40/0x70 [ 359.561076] ? __switch_to_asm+0x34/0x70 [ 359.565167] ? __switch_to_asm+0x40/0x70 [ 359.569279] ? __switch_to_asm+0x40/0x70 [ 359.573390] ? pvclock_read_flags+0x160/0x160 [ 359.577909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.583468] ? check_preemption_disabled+0x48/0x280 [ 359.588532] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 359.594101] ? rcu_pm_notify+0xc0/0xc0 [ 359.598014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.603573] ? check_preemption_disabled+0x48/0x280 [ 359.608614] run_timer_softirq+0x52/0xb0 [ 359.612692] ? rcu_read_lock_sched_held+0x14f/0x180 [ 359.617738] __do_softirq+0x308/0xb7e [ 359.621575] ? retint_kernel+0x2d/0x2d [ 359.625509] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 359.630646] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.636129] ? schedule+0x108/0x460 [ 359.639785] ? __schedule+0x21d0/0x21d0 [ 359.643779] ? trace_hardirqs_off+0xb8/0x310 [ 359.648220] ? smpboot_thread_fn+0x68b/0xa00 [ 359.652651] ? trace_hardirqs_on+0x310/0x310 [ 359.657079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.662646] ? check_preemption_disabled+0x48/0x280 [ 359.667678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.673240] ? takeover_tasklets+0xa90/0xa90 [ 359.677678] run_ksoftirqd+0x5e/0x100 [ 359.681499] smpboot_thread_fn+0x68b/0xa00 [ 359.685753] ? sort_range+0x30/0x30 [ 359.689403] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.694531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.700095] ? __kthread_parkme+0xfb/0x1a0 [ 359.704369] kthread+0x35a/0x420 [ 359.707758] ? sort_range+0x30/0x30 [ 359.711399] ? kthread_stop+0x900/0x900 [ 359.715398] ret_from_fork+0x3a/0x50 [ 359.719137] warn_alloc_show_mem: 1 callbacks suppressed [ 359.719150] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 359.719152] Mem-Info: [ 359.719183] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 359.719183] active_file:13 inactive_file:12 isolated_file:0 [ 359.719183] unevictable:0 dirty:0 writeback:0 unstable:0 [ 359.719183] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 359.719183] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 359.719183] free:13679 free_pcp:387 free_cma:0 [ 359.724530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.724541] Call Trace: [ 359.731258] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 359.733676] [ 359.766562] Node 0 [ 359.775941] dump_stack+0x244/0x39d [ 359.778546] 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 [ 359.806048] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.808185] lowmem_reserve[]: 0 [ 359.810469] warn_alloc.cold.117+0xb7/0x1bd [ 359.814062] 2818 [ 359.839587] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.844778] 6321 [ 359.848076] ? lock_downgrade+0x900/0x900 [ 359.852377] 6321 [ 359.854455] ? trace_hardirqs_off+0xb8/0x310 [ 359.859275] Node 0 [ 359.861374] ? trace_hardirqs_off+0xb8/0x310 [ 359.865533] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 359.867587] __alloc_pages_slowpath+0x2660/0x2d70 [ 359.871957] lowmem_reserve[]: 0 [ 359.874235] ? warn_alloc+0x120/0x120 [ 359.878591] 0 3503 [ 359.905601] ? warn_alloc+0x120/0x120 [ 359.910436] 3503 [ 359.913732] ? print_usage_bug+0xc0/0xc0 [ 359.917527] Node 0 [ 359.919771] ? warn_alloc+0x120/0x120 [ 359.923575] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 359.925616] ? print_usage_bug+0xc0/0xc0 [ 359.929651] lowmem_reserve[]: 0 [ 359.931903] ? __lock_acquire+0x62f/0x4c20 [ 359.935703] 0 [ 359.964087] ? __lock_acquire+0x62f/0x4c20 [ 359.968136] 0 0 [ 359.971449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.977467] ? should_fail+0x22d/0xd01 [ 359.981681] Node 0 [ 359.983666] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.989223] DMA: 1*4kB [ 359.993148] ? __lock_acquire+0x62f/0x4c20 [ 359.995367] (U) [ 360.000487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.003066] 0*8kB [ 360.007321] ? __lock_acquire+0x62f/0x4c20 [ 360.009303] 0*16kB [ 360.014424] ? should_fail+0x22d/0xd01 [ 360.016558] 1*32kB (U) [ 360.020840] ? find_held_lock+0x36/0x1c0 [ 360.023049] 2*64kB [ 360.026942] ? mark_held_locks+0x130/0x130 [ 360.029521] (U) [ 360.033591] ? mark_held_locks+0x130/0x130 [ 360.035810] 1*128kB [ 360.040056] ? zap_class+0x640/0x640 [ 360.042020] (U) [ 360.046261] ? zap_class+0x640/0x640 [ 360.048566] 1*256kB [ 360.052297] ? print_usage_bug+0xc0/0xc0 [ 360.054252] (U) [ 360.057969] ? do_raw_spin_unlock+0xa7/0x330 [ 360.060271] 0*512kB [ 360.064351] ? zap_class+0x640/0x640 [ 360.066318] 1*1024kB [ 360.070743] ? print_usage_bug+0xc0/0xc0 [ 360.073053] (U) [ 360.076770] ? wq_watchdog_touch+0x9c/0xfe [ 360.079156] 1*2048kB [ 360.083219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.085167] (M) [ 360.089404] ? check_preemption_disabled+0x48/0x280 [ 360.091790] 3*4096kB (M) [ 360.097371] ? __lock_is_held+0xb5/0x140 [ 360.099343] = 15908kB [ 360.104360] __alloc_pages_nodemask+0xa80/0xde0 [ 360.107095] Node 0 [ 360.111157] ? zap_class+0x640/0x640 [ 360.113568] DMA32: [ 360.118271] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 360.120491] 5*4kB [ 360.124224] ? find_held_lock+0x36/0x1c0 [ 360.126430] (M) [ 360.131457] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.133575] 1*8kB (U) [ 360.137656] ? lock_downgrade+0x900/0x900 [ 360.139611] 4*16kB (M) [ 360.144308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.146781] 2*32kB [ 360.150949] cache_grow_begin+0xa5/0x8c0 [ 360.153518] (M) [ 360.159063] ? do_raw_spin_unlock+0xa7/0x330 [ 360.161290] 4*64kB [ 360.165358] fallback_alloc+0x204/0x2e0 [ 360.167316] (UM) [ 360.171736] ____cache_alloc_node+0x1c7/0x1e0 [ 360.173987] 3*128kB [ 360.177988] kmem_cache_alloc_node+0xe3/0x730 [ 360.180037] (M) [ 360.184535] ? ipv6_get_ifaddr+0x42e/0x620 [ 360.186834] 4*256kB (UM) [ 360.191347] __alloc_skb+0x119/0x770 [ 360.193311] 3*512kB [ 360.197573] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.200317] (M) [ 360.204043] ? netdev_alloc_frag+0x1f0/0x1f0 [ 360.206369] 3*1024kB [ 360.211653] ? lock_downgrade+0x900/0x900 [ 360.213608] (UM) [ 360.218034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.220429] 3*2048kB [ 360.224582] ? refcount_sub_and_test_checked+0x203/0x310 [ 360.226619] (UM) [ 360.232167] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 360.234557] 3*4096kB [ 360.240026] ? addrconf_rs_timer+0x690/0x690 [ 360.242072] (M) [ 360.247537] ndisc_alloc_skb+0x144/0x340 [ 360.249917] = 24860kB [ 360.254352] ndisc_send_rs+0x331/0x6e0 [ 360.256317] Node 0 [ 360.260395] addrconf_rs_timer+0x314/0x690 [ 360.262781] Normal: [ 360.266692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.268901] 767*4kB [ 360.273144] call_timer_fn+0x272/0x920 [ 360.275444] (UME) [ 360.279696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.282005] 454*8kB [ 360.285900] ? process_timeout+0x40/0x40 [ 360.288033] (ME) [ 360.292278] ? mark_held_locks+0xc7/0x130 [ 360.294578] 185*16kB [ 360.298652] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.300690] (UME) [ 360.304850] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.307240] 80*32kB [ 360.311753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.313883] (UME) [ 360.318385] ? lockdep_hardirqs_on+0x296/0x5b0 [ 360.320687] 22*64kB [ 360.324928] ? trace_hardirqs_on+0xbd/0x310 [ 360.327066] (M) [ 360.331656] ? kasan_check_read+0x11/0x20 [ 360.333956] 1*128kB [ 360.338298] ? __run_timers+0x7da/0xc70 [ 360.340250] (U) [ 360.344413] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.346713] 1*256kB [ 360.350694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.352645] (U) [ 360.358001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.360319] 0*512kB [ 360.364584] __run_timers+0x7e5/0xc70 [ 360.366540] 0*1024kB [ 360.370788] ? timer_fixup_init+0x70/0x70 [ 360.373076] 0*2048kB 0*4096kB [ 360.376890] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 360.379277] = 14012kB [ 360.383439] ? zap_class+0x640/0x640 [ 360.386636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 360.391672] ? print_usage_bug+0xc0/0xc0 [ 360.394065] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 360.397777] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 360.406595] 163 total pagecache pages [ 360.406613] 0 pages in swap cache [ 360.410687] ? find_held_lock+0x36/0x1c0 [ 360.419241] Swap cache stats: add 0, delete 0, find 0/0 [ 360.419253] Free swap = 0kB [ 360.424467] ? zap_class+0x640/0x640 [ 360.428244] Total swap = 0kB [ 360.431705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.435736] 1965979 pages RAM [ 360.441115] ? check_preemption_disabled+0x48/0x280 [ 360.444116] 0 pages HighMem/MovableOnly [ 360.447847] ? __lock_is_held+0xb5/0x140 [ 360.450824] 342867 pages reserved [ 360.450829] 0 pages cma reserved [ 360.450918] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.456405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.459616] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.464522] ? check_preemption_disabled+0x48/0x280 [ 360.468495] ksoftirqd/0 cpuset= [ 360.472579] run_timer_softirq+0x52/0xb0 [ 360.476005] / [ 360.479378] ? rcu_read_lock_sched_held+0x14f/0x180 [ 360.485868] mems_allowed=0 [ 360.491411] __do_softirq+0x308/0xb7e [ 360.527556] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 360.532057] ? lock_downgrade+0x900/0x900 [ 360.536214] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 360.541336] ? pvclock_read_flags+0x160/0x160 [ 360.545856] ? lapic_next_event+0x5a/0x90 [ 360.550017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.555574] ? kvm_clock_read+0x18/0x30 [ 360.559551] ? kvm_sched_clock_read+0x9/0x20 [ 360.563970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.569528] ? check_preemption_disabled+0x48/0x280 [ 360.574564] irq_exit+0x17f/0x1c0 [ 360.578030] smp_apic_timer_interrupt+0x1cb/0x760 [ 360.582872] ? smp_reschedule_interrupt+0x109/0x650 [ 360.587897] ? smp_call_function_single_interrupt+0x650/0x650 [ 360.593793] ? interrupt_entry+0xb5/0xc0 [ 360.597867] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.602889] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.607914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.612782] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.617850] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.622872] ? task_prio+0x50/0x50 [ 360.626432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.631984] ? check_preemption_disabled+0x48/0x280 [ 360.637024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.641888] apic_timer_interrupt+0xf/0x20 [ 360.646124] [ 360.648364] RIP: 0010:dump_stack+0x358/0x39d [ 360.652774] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 360.671739] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 360.679477] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 360.686762] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 360.694047] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 360.701333] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 360.708619] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 360.715927] ? dump_stack+0x34f/0x39d [ 360.719750] ? dump_stack_print_info.cold.1+0x20/0x20 [ 360.724973] dump_header+0x27b/0xf72 [ 360.728700] ? mark_held_locks+0x130/0x130 [ 360.732946] ? pagefault_out_of_memory+0x197/0x197 [ 360.737891] ? __lock_acquire+0x62f/0x4c20 [ 360.742133] ? zap_class+0x640/0x640 [ 360.745867] ? percpu_ref_get_many+0x240/0x240 [ 360.750458] ? print_usage_bug+0xc0/0xc0 [ 360.754536] ? print_usage_bug+0xc0/0xc0 [ 360.758615] ? zap_class+0x640/0x640 [ 360.762351] ? print_usage_bug+0xc0/0xc0 [ 360.766418] ? print_usage_bug+0xc0/0xc0 [ 360.770493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.776044] ? find_held_lock+0x36/0x1c0 [ 360.780140] ? mark_held_locks+0xc7/0x130 [ 360.784321] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 360.789445] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 360.794561] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 360.799148] ? trace_hardirqs_on+0xbd/0x310 [ 360.803488] ? kasan_check_read+0x11/0x20 [ 360.807644] ? ___ratelimit+0x3b4/0x672 [ 360.811632] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.816745] ? trace_hardirqs_on+0x310/0x310 [ 360.821162] ? lock_downgrade+0x900/0x900 [ 360.825330] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 360.830441] ? ___ratelimit+0x3b9/0x672 [ 360.834429] ? idr_get_free+0xec0/0xec0 [ 360.838424] ? find_held_lock+0x36/0x1c0 [ 360.842500] oom_kill_process.cold.27+0x10/0x903 [ 360.847268] ? zap_class+0x640/0x640 [ 360.850995] ? check_preemption_disabled+0x48/0x280 [ 360.856032] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.860974] ? kasan_check_read+0x11/0x20 [ 360.865130] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.870416] ? oom_evaluate_task+0x540/0x540 [ 360.874849] ? find_held_lock+0x36/0x1c0 [ 360.878937] ? out_of_memory+0x974/0x1430 [ 360.883107] ? lock_downgrade+0x900/0x900 [ 360.887265] ? check_preemption_disabled+0x48/0x280 [ 360.892314] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.897251] ? kasan_check_read+0x11/0x20 [ 360.901431] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.906728] ? rcu_softirq_qs+0x20/0x20 [ 360.910724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.916289] ? oom_evaluate_task+0x302/0x540 [ 360.920708] out_of_memory+0xa84/0x1430 [ 360.924704] ? oom_killer_disable+0x3a0/0x3a0 [ 360.929217] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 360.934169] ? __mutex_add_waiter+0x2a0/0x2a0 [ 360.938687] __alloc_pages_slowpath+0x22d4/0x2d70 [ 360.943566] ? warn_alloc+0x120/0x120 [ 360.947375] ? rcu_softirq_qs+0x20/0x20 [ 360.951393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.956946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.962497] ? should_fail+0x22d/0xd01 [ 360.966398] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.971508] ? zap_class+0x640/0x640 [ 360.975259] ? __lock_is_held+0xb5/0x140 [ 360.979352] ? mark_held_locks+0x130/0x130 [ 360.983605] ? lock_release+0xa00/0xa00 [ 360.987596] ? perf_trace_sched_process_exec+0x860/0x860 [ 360.993062] ? __might_sleep+0x95/0x190 [ 360.997043] __alloc_pages_nodemask+0xa80/0xde0 [ 361.001737] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 361.006772] ? __page_cache_alloc+0x191/0x5c0 [ 361.011323] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 361.016269] ? kasan_check_read+0x11/0x20 [ 361.020440] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.025739] ? zap_class+0x640/0x640 [ 361.029493] ? zap_class+0x640/0x640 [ 361.033222] ? zap_class+0x640/0x640 [ 361.036953] ? __do_page_cache_readahead+0x7ce/0x980 [ 361.042077] ? find_held_lock+0x36/0x1c0 [ 361.046160] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 361.051721] alloc_pages_current+0x173/0x350 [ 361.056159] __page_cache_alloc+0x38c/0x5c0 [ 361.060504] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 361.065458] ? kasan_check_read+0x11/0x20 [ 361.069628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.074932] ? generic_perform_write+0x6a0/0x6a0 [ 361.079697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.085237] ? check_preemption_disabled+0x48/0x280 [ 361.090276] filemap_fault+0x1594/0x25f0 [ 361.094371] ? __lock_page_or_retry+0xa00/0xa00 [ 361.099046] ? mark_held_locks+0x130/0x130 [ 361.103297] ? rcu_softirq_qs+0x20/0x20 [ 361.107291] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 361.112417] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 361.117024] ? trace_hardirqs_on+0xbd/0x310 [ 361.121366] ? filemap_map_pages+0xe04/0x1990 [ 361.125882] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 361.130997] ? __free_object+0x173/0x340 [ 361.135072] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 361.140021] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.145133] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 361.149829] ? debug_object_free+0x32d/0x690 [ 361.154240] ? kasan_check_read+0x11/0x20 [ 361.158395] ? debug_object_destroy+0x2b0/0x2b0 [ 361.163092] ? lock_pi_update_atomic+0x150/0x150 [ 361.167864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.173420] ? __hrtimer_init+0xdb/0x240 [ 361.177501] ? lock_acquire+0x1ed/0x520 [ 361.181481] ? ext4_filemap_fault+0x7a/0xad [ 361.185831] ? lock_release+0xa00/0xa00 [ 361.189821] ? perf_trace_sched_process_exec+0x860/0x860 [ 361.195302] ? print_usage_bug+0xc0/0xc0 [ 361.199371] ? print_usage_bug+0xc0/0xc0 [ 361.203459] ? down_read+0x8d/0x120 [ 361.207085] ? ext4_filemap_fault+0x7a/0xad [ 361.211418] ? __down_interruptible+0x700/0x700 [ 361.216114] ext4_filemap_fault+0x82/0xad [ 361.220292] __do_fault+0x100/0x6b0 [ 361.223930] ? pmd_devmap_trans_unstable+0x220/0x220 [ 361.229042] ? mark_held_locks+0x130/0x130 [ 361.233292] ? mark_held_locks+0x130/0x130 [ 361.237544] ? debug_smp_processor_id+0x1c/0x20 [ 361.242224] ? perf_trace_lock+0x14d/0x7a0 [ 361.246482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.252046] __handle_mm_fault+0x307c/0x5920 [ 361.256458] ? perf_trace_lock+0x7a0/0x7a0 [ 361.260712] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 361.265573] ? lock_is_held_type+0x210/0x210 [ 361.270008] ? ksys_dup3+0x680/0x680 [ 361.273755] ? zap_class+0x640/0x640 [ 361.277474] ? zap_class+0x640/0x640 [ 361.281189] ? __x64_sys_futex+0x53e/0x6a0 [ 361.285435] ? find_held_lock+0x36/0x1c0 [ 361.289519] ? handle_mm_fault+0x42a/0xc70 [ 361.293777] ? lock_downgrade+0x900/0x900 [ 361.297926] ? check_preemption_disabled+0x48/0x280 [ 361.302951] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 361.307886] ? kasan_check_read+0x11/0x20 [ 361.312044] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.317343] ? rcu_softirq_qs+0x20/0x20 [ 361.321329] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.326441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.331984] ? check_preemption_disabled+0x48/0x280 [ 361.337031] handle_mm_fault+0x54f/0xc70 [ 361.341120] ? __handle_mm_fault+0x5920/0x5920 [ 361.345714] ? find_vma+0x34/0x190 [ 361.349265] __do_page_fault+0x5e8/0xe60 [ 361.353339] ? trace_hardirqs_off+0xb8/0x310 [ 361.357759] ? kernel_write+0x120/0x120 [ 361.361773] do_page_fault+0xf2/0x7e0 [ 361.365595] ? vmalloc_sync_all+0x30/0x30 [ 361.369762] ? error_entry+0x70/0xd0 [ 361.373488] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.378519] ? trace_hardirqs_on_caller+0xc0/0x310 [ 361.383454] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.388392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.393250] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.398293] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.403768] ? prepare_exit_to_usermode+0x291/0x3b0 [ 361.408803] ? page_fault+0x8/0x30 [ 361.412363] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.417227] ? page_fault+0x8/0x30 [ 361.420777] page_fault+0x1e/0x30 [ 361.424233] RIP: 0033:0x45ddf3 [ 361.427457] Code: Bad RIP value. [ 361.430819] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 361.436192] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 361.443475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 361.450756] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 361.458047] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 361.465831] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 361.473141] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 361.473209] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.479648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.479654] Call Trace: [ 361.479676] dump_stack+0x244/0x39d [ 361.479695] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.479722] warn_alloc.cold.117+0xb7/0x1bd [ 361.486378] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.495567] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.498147] syz-fuzzer cpuset= [ 361.501775] ? lock_downgrade+0x900/0x900 [ 361.506938] / [ 361.511267] ? trace_hardirqs_off+0xb8/0x310 [ 361.521472] mems_allowed=0 [ 361.542687] ? trace_hardirqs_off+0xb8/0x310 [ 361.547136] __alloc_pages_slowpath+0x2660/0x2d70 [ 361.552016] ? warn_alloc+0x120/0x120 [ 361.555827] ? warn_alloc+0x120/0x120 [ 361.559639] ? print_usage_bug+0xc0/0xc0 [ 361.563704] ? warn_alloc+0x120/0x120 [ 361.567528] ? print_usage_bug+0xc0/0xc0 [ 361.571613] ? __lock_acquire+0x62f/0x4c20 [ 361.575866] ? __lock_acquire+0x62f/0x4c20 [ 361.580109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.585647] ? should_fail+0x22d/0xd01 [ 361.589545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.594666] ? __lock_acquire+0x62f/0x4c20 [ 361.598922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.604054] ? __lock_acquire+0x62f/0x4c20 [ 361.608301] ? should_fail+0x22d/0xd01 [ 361.612219] ? find_held_lock+0x36/0x1c0 [ 361.616303] ? mark_held_locks+0x130/0x130 [ 361.620559] ? mark_held_locks+0x130/0x130 [ 361.624805] ? zap_class+0x640/0x640 [ 361.628536] ? mark_held_locks+0xc7/0x130 [ 361.632687] ? do_raw_spin_unlock+0xa7/0x330 [ 361.637128] ? zap_class+0x640/0x640 [ 361.640847] ? print_usage_bug+0xc0/0xc0 [ 361.644926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.650502] ? check_preemption_disabled+0x48/0x280 [ 361.655546] ? __lock_is_held+0xb5/0x140 [ 361.659622] __alloc_pages_nodemask+0xa80/0xde0 [ 361.664307] ? zap_class+0x640/0x640 [ 361.668050] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 361.673110] ? find_held_lock+0x36/0x1c0 [ 361.677205] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.681886] ? lock_downgrade+0x900/0x900 [ 361.686048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.691595] cache_grow_begin+0xa5/0x8c0 [ 361.695666] ? do_raw_spin_unlock+0xa7/0x330 [ 361.700111] fallback_alloc+0x204/0x2e0 [ 361.704104] ____cache_alloc_node+0x1c7/0x1e0 [ 361.708610] kmem_cache_alloc_node+0xe3/0x730 [ 361.713129] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.717383] __alloc_skb+0x119/0x770 [ 361.721108] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.726412] ? netdev_alloc_frag+0x1f0/0x1f0 [ 361.730831] ? lock_downgrade+0x900/0x900 [ 361.734994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.740538] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.746000] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.751480] ? addrconf_rs_timer+0x690/0x690 [ 361.755915] ndisc_alloc_skb+0x144/0x340 [ 361.760005] ndisc_send_rs+0x331/0x6e0 [ 361.763903] addrconf_rs_timer+0x314/0x690 [ 361.768154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.772419] call_timer_fn+0x272/0x920 [ 361.776342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.780600] ? process_timeout+0x40/0x40 [ 361.784687] ? __run_timers+0x7da/0xc70 [ 361.788672] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.793187] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.797698] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.801950] ? lockdep_hardirqs_on+0x296/0x5b0 [ 361.806555] ? trace_hardirqs_on+0xbd/0x310 [ 361.810888] ? kasan_check_read+0x11/0x20 [ 361.815058] ? __run_timers+0x7da/0xc70 [ 361.819054] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.824172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.828434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.832683] __run_timers+0x7e5/0xc70 [ 361.836502] ? timer_fixup_init+0x70/0x70 [ 361.840655] ? compat_start_thread+0x80/0x80 [ 361.845071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.850622] ? _raw_spin_unlock_irq+0x60/0x80 [ 361.855144] ? finish_task_switch+0x1f4/0x910 [ 361.859656] ? finish_task_switch+0x1b4/0x910 [ 361.864166] ? __switch_to_asm+0x34/0x70 [ 361.868237] ? preempt_notifier_register+0x200/0x200 [ 361.873350] ? __switch_to_asm+0x34/0x70 [ 361.877447] ? __switch_to_asm+0x40/0x70 [ 361.881520] ? __switch_to_asm+0x34/0x70 [ 361.885590] ? __switch_to_asm+0x40/0x70 [ 361.889666] ? __switch_to_asm+0x34/0x70 [ 361.893738] ? __switch_to_asm+0x40/0x70 [ 361.897808] ? __switch_to_asm+0x40/0x70 [ 361.901900] ? pvclock_read_flags+0x160/0x160 [ 361.906429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.911977] ? check_preemption_disabled+0x48/0x280 [ 361.917017] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 361.922578] ? rcu_pm_notify+0xc0/0xc0 [ 361.926500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.932054] ? check_preemption_disabled+0x48/0x280 [ 361.937086] run_timer_softirq+0x52/0xb0 [ 361.941156] ? rcu_read_lock_sched_held+0x14f/0x180 [ 361.946193] __do_softirq+0x308/0xb7e [ 361.950015] ? retint_kernel+0x2d/0x2d [ 361.953916] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 361.959036] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.964511] ? schedule+0x108/0x460 [ 361.968157] ? __schedule+0x21d0/0x21d0 [ 361.972165] ? trace_hardirqs_off+0xb8/0x310 [ 361.976602] ? smpboot_thread_fn+0x68b/0xa00 [ 361.981021] ? trace_hardirqs_on+0x310/0x310 [ 361.985458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.991013] ? check_preemption_disabled+0x48/0x280 [ 361.996034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.001590] ? takeover_tasklets+0xa90/0xa90 [ 362.006008] run_ksoftirqd+0x5e/0x100 [ 362.009817] smpboot_thread_fn+0x68b/0xa00 [ 362.014069] ? sort_range+0x30/0x30 [ 362.017728] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.022833] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.028391] ? __kthread_parkme+0xfb/0x1a0 [ 362.032639] kthread+0x35a/0x420 [ 362.036014] ? sort_range+0x30/0x30 [ 362.039649] ? kthread_stop+0x900/0x900 [ 362.043635] ret_from_fork+0x3a/0x50 [ 362.047369] warn_alloc_show_mem: 1 callbacks suppressed [ 362.047381] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 362.047383] Mem-Info: [ 362.047415] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 362.047415] active_file:13 inactive_file:12 isolated_file:0 [ 362.047415] unevictable:0 dirty:0 writeback:0 unstable:0 [ 362.047415] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 362.047415] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 362.047415] free:13679 free_pcp:387 free_cma:0 [ 362.052771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.059450] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 362.061854] Call Trace: [ 362.094739] Node 0 [ 362.104107] [ 362.131642] 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 [ 362.134218] dump_stack+0x244/0x39d [ 362.136437] lowmem_reserve[]: [ 362.138593] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.164082] 0 2818 [ 362.167750] warn_alloc.cold.117+0xb7/0x1bd [ 362.170843] 6321 [ 362.176047] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.178262] 6321 [ 362.182596] ? lock_downgrade+0x900/0x900 [ 362.184635] Node 0 [ 362.189492] ? trace_hardirqs_off+0xb8/0x310 [ 362.191552] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 362.195691] ? trace_hardirqs_off+0xb8/0x310 [ 362.197895] lowmem_reserve[]: 0 [ 362.202330] __alloc_pages_slowpath+0x2660/0x2d70 [ 362.229312] 0 [ 362.233761] ? warn_alloc+0x120/0x120 [ 362.236994] 3503 [ 362.241855] ? warn_alloc+0x120/0x120 [ 362.243626] 3503 [ 362.247444] ? print_usage_bug+0xc0/0xc0 [ 362.249491] Node 0 [ 362.253331] ? warn_alloc+0x120/0x120 [ 362.255402] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 362.259442] ? print_usage_bug+0xc0/0xc0 [ 362.261658] lowmem_reserve[]: [ 362.265459] ? idle_cpu+0x1d0/0x1d0 [ 362.293806] 0 0 [ 362.297907] ? kvm_sched_clock_read+0x9/0x20 [ 362.300993] 0 [ 362.304637] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.306608] 0 [ 362.311024] ? find_next_bit+0x104/0x130 [ 362.317831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.319606] Node 0 [ 362.323674] ? should_fail+0x22d/0xd01 [ 362.329193] DMA: 1*4kB [ 362.331455] ? __lock_is_held+0xb5/0x140 [ 362.335320] (U) [ 362.337926] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.341964] 0*8kB [ 362.343939] ? __lock_acquire+0x62f/0x4c20 [ 362.349017] 0*16kB 1*32kB [ 362.351190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.355401] (U) 2*64kB [ 362.358651] ? __lock_acquire+0x62f/0x4c20 [ 362.363736] (U) [ 362.366323] ? should_fail+0x22d/0xd01 [ 362.370537] 1*128kB [ 362.372528] ? mark_held_locks+0x130/0x130 [ 362.376380] (U) 1*256kB [ 362.378735] ? mark_held_locks+0x130/0x130 [ 362.382942] (U) 0*512kB [ 362.385627] ? account_entity_enqueue+0x3a3/0x660 [ 362.389831] 1*1024kB (U) [ 362.392520] ? zap_class+0x640/0x640 [ 362.397334] 1*2048kB [ 362.400098] ? print_usage_bug+0xc0/0xc0 [ 362.403799] (M) [ 362.406240] ? rcu_softirq_qs+0x20/0x20 [ 362.410274] 3*4096kB [ 362.412261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.416205] (M) [ 362.418617] ? check_preemption_disabled+0x48/0x280 [ 362.424137] = 15908kB [ 362.424147] Node 0 [ 362.426137] ? __lock_is_held+0xb5/0x140 [ 362.431128] DMA32: 5*4kB [ 362.433568] __alloc_pages_nodemask+0xa80/0xde0 [ 362.435775] (M) [ 362.439840] ? zap_class+0x640/0x640 [ 362.442574] 1*8kB [ 362.447243] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 362.449197] (U) [ 362.452927] ? find_held_lock+0x36/0x1c0 [ 362.455059] 4*16kB (M) [ 362.460116] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.462063] 2*32kB [ 362.466123] ? lock_downgrade+0x900/0x900 [ 362.468681] (M) [ 362.473356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.475569] 4*64kB [ 362.479734] cache_grow_begin+0xa5/0x8c0 [ 362.481690] (UM) [ 362.487233] ? do_raw_spin_unlock+0xa7/0x330 [ 362.489450] 3*128kB [ 362.493516] fallback_alloc+0x204/0x2e0 [ 362.495553] (M) [ 362.499969] ____cache_alloc_node+0x1c7/0x1e0 [ 362.502264] 4*256kB (UM) [ 362.506273] kmem_cache_alloc_node+0xe3/0x730 [ 362.508241] 3*512kB [ 362.512738] ? ipv6_get_ifaddr+0x42e/0x620 [ 362.515475] (M) [ 362.519972] __alloc_skb+0x119/0x770 [ 362.522268] 3*1024kB [ 362.526521] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.528469] (UM) 3*2048kB [ 362.532206] ? netdev_alloc_frag+0x1f0/0x1f0 [ 362.534598] (UM) [ 362.539873] ? lock_downgrade+0x900/0x900 [ 362.542696] 3*4096kB [ 362.547107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.549156] (M) [ 362.553365] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.555751] = 24860kB [ 362.555761] Node 0 [ 362.561310] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.563258] Normal: [ 362.568719] ? addrconf_rs_timer+0x690/0x690 [ 362.571109] 767*4kB [ 362.573361] ndisc_alloc_skb+0x144/0x340 [ 362.578786] (UME) [ 362.581121] ndisc_send_rs+0x331/0x6e0 [ 362.585504] 454*8kB [ 362.587837] addrconf_rs_timer+0x314/0x690 [ 362.591880] (ME) [ 362.594042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.597902] 185*16kB (UME) [ 362.600254] call_timer_fn+0x272/0x920 [ 362.604451] 80*32kB (UME) [ 362.606529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.610738] 22*64kB [ 362.613932] ? process_timeout+0x40/0x40 [ 362.617795] (M) [ 362.620661] ? mark_held_locks+0xc7/0x130 [ 362.624868] 1*128kB (U) [ 362.627223] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.631263] 1*256kB (U) [ 362.633277] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.637411] 0*512kB [ 362.640101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.644569] 0*1024kB [ 362.647238] ? lockdep_hardirqs_on+0x296/0x5b0 [ 362.651712] 0*2048kB [ 362.654043] ? trace_hardirqs_on+0xbd/0x310 [ 362.658259] 0*4096kB = 14012kB [ 362.660704] ? kasan_check_read+0x11/0x20 [ 362.665265] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 362.667684] ? __run_timers+0x7da/0xc70 [ 362.671981] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 362.671991] 163 total pagecache pages [ 362.675188] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.679331] 0 pages in swap cache [ 362.688183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.692149] Swap cache stats: add 0, delete 0, find 0/0 [ 362.700734] __run_timers+0x7e5/0xc70 [ 362.704514] Free swap = 0kB [ 362.709645] ? timer_fixup_init+0x70/0x70 [ 362.713080] Total swap = 0kB [ 362.717332] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.722702] 1965979 pages RAM [ 362.726504] ? zap_class+0x640/0x640 [ 362.729503] 0 pages HighMem/MovableOnly [ 362.733670] ? print_usage_bug+0xc0/0xc0 [ 362.736665] 342867 pages reserved [ 362.736675] 0 pages cma reserved [ 362.741702] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 362.744886] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 362.748499] ? find_held_lock+0x36/0x1c0 [ 362.748518] ? zap_class+0x640/0x640 [ 362.748539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.752588] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 362.756562] ? check_preemption_disabled+0x48/0x280 [ 362.760005] ksoftirqd/0 cpuset= [ 362.763391] ? __lock_is_held+0xb5/0x140 [ 362.768555] / [ 362.775058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.779116] mems_allowed=0 [ 362.782841] ? check_preemption_disabled+0x48/0x280 [ 362.826228] run_timer_softirq+0x52/0xb0 [ 362.830307] ? rcu_read_lock_sched_held+0x14f/0x180 [ 362.835338] __do_softirq+0x308/0xb7e [ 362.839163] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 362.843686] ? lock_downgrade+0x900/0x900 [ 362.847855] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 362.852979] ? pvclock_read_flags+0x160/0x160 [ 362.857484] ? lapic_next_event+0x5a/0x90 [ 362.861647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.867201] ? kvm_clock_read+0x18/0x30 [ 362.871184] ? kvm_sched_clock_read+0x9/0x20 [ 362.875600] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.881147] ? check_preemption_disabled+0x48/0x280 [ 362.886184] irq_exit+0x17f/0x1c0 [ 362.889654] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.894503] ? smp_reschedule_interrupt+0x109/0x650 [ 362.899525] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.905415] ? interrupt_entry+0xb5/0xc0 [ 362.909497] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.914534] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.919567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.924422] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.929444] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.934467] ? task_prio+0x50/0x50 [ 362.938044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.943629] ? check_preemption_disabled+0x48/0x280 [ 362.948675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.953539] apic_timer_interrupt+0xf/0x20 [ 362.957769] [ 362.960024] RIP: 0010:dump_stack+0x358/0x39d [ 362.964449] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 362.983380] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 362.991139] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 362.998435] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 363.005717] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 363.012993] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 363.020281] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 363.027602] ? dump_stack+0x34f/0x39d [ 363.031435] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.036648] dump_header+0x27b/0xf72 [ 363.040387] ? mark_held_locks+0x130/0x130 [ 363.044644] ? pagefault_out_of_memory+0x197/0x197 [ 363.049598] ? __lock_acquire+0x62f/0x4c20 [ 363.053852] ? zap_class+0x640/0x640 [ 363.057583] ? percpu_ref_get_many+0x240/0x240 [ 363.062179] ? print_usage_bug+0xc0/0xc0 [ 363.066246] ? print_usage_bug+0xc0/0xc0 [ 363.070333] ? zap_class+0x640/0x640 [ 363.074059] ? print_usage_bug+0xc0/0xc0 [ 363.078126] ? print_usage_bug+0xc0/0xc0 [ 363.082219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.087782] ? find_held_lock+0x36/0x1c0 [ 363.091863] ? mark_held_locks+0xc7/0x130 [ 363.096042] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 363.101154] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 363.106271] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 363.110886] ? trace_hardirqs_on+0xbd/0x310 [ 363.115221] ? kasan_check_read+0x11/0x20 [ 363.119378] ? ___ratelimit+0x3b4/0x672 [ 363.123372] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.128527] ? trace_hardirqs_on+0x310/0x310 [ 363.132952] ? lock_downgrade+0x900/0x900 [ 363.137128] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 363.142240] ? ___ratelimit+0x3b9/0x672 [ 363.146230] ? idr_get_free+0xec0/0xec0 [ 363.150216] ? find_held_lock+0x36/0x1c0 [ 363.154302] oom_kill_process.cold.27+0x10/0x903 [ 363.159064] ? zap_class+0x640/0x640 [ 363.162799] ? check_preemption_disabled+0x48/0x280 [ 363.167844] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 363.172788] ? kasan_check_read+0x11/0x20 [ 363.176964] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.182256] ? oom_evaluate_task+0x540/0x540 [ 363.186681] ? find_held_lock+0x36/0x1c0 [ 363.190820] ? out_of_memory+0x974/0x1430 [ 363.194988] ? lock_downgrade+0x900/0x900 [ 363.199149] ? check_preemption_disabled+0x48/0x280 [ 363.204187] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 363.209126] ? kasan_check_read+0x11/0x20 [ 363.213280] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.218578] ? rcu_softirq_qs+0x20/0x20 [ 363.222573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.228126] ? oom_evaluate_task+0x302/0x540 [ 363.232551] out_of_memory+0xa84/0x1430 [ 363.236541] ? oom_killer_disable+0x3a0/0x3a0 [ 363.241042] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 363.245983] ? __mutex_add_waiter+0x2a0/0x2a0 [ 363.250508] __alloc_pages_slowpath+0x22d4/0x2d70 [ 363.255402] ? warn_alloc+0x120/0x120 [ 363.259212] ? rcu_softirq_qs+0x20/0x20 [ 363.263217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.268757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.274319] ? should_fail+0x22d/0xd01 [ 363.278236] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.283357] ? zap_class+0x640/0x640 [ 363.287105] ? __lock_is_held+0xb5/0x140 [ 363.291182] ? mark_held_locks+0x130/0x130 [ 363.295422] ? lock_release+0xa00/0xa00 [ 363.299403] ? perf_trace_sched_process_exec+0x860/0x860 [ 363.304883] ? __might_sleep+0x95/0x190 [ 363.308874] __alloc_pages_nodemask+0xa80/0xde0 [ 363.313569] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 363.318597] ? __page_cache_alloc+0x191/0x5c0 [ 363.323101] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 363.328048] ? kasan_check_read+0x11/0x20 [ 363.332211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.337511] ? zap_class+0x640/0x640 [ 363.341250] ? zap_class+0x640/0x640 [ 363.344983] ? zap_class+0x640/0x640 [ 363.348703] ? __do_page_cache_readahead+0x7ce/0x980 [ 363.353834] ? find_held_lock+0x36/0x1c0 [ 363.357912] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 363.363471] alloc_pages_current+0x173/0x350 [ 363.367907] __page_cache_alloc+0x38c/0x5c0 [ 363.372237] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 363.377175] ? kasan_check_read+0x11/0x20 [ 363.381342] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.386639] ? generic_perform_write+0x6a0/0x6a0 [ 363.391405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.396964] ? check_preemption_disabled+0x48/0x280 [ 363.402001] filemap_fault+0x1594/0x25f0 [ 363.406263] ? __lock_page_or_retry+0xa00/0xa00 [ 363.410955] ? mark_held_locks+0x130/0x130 [ 363.415195] ? rcu_softirq_qs+0x20/0x20 [ 363.419173] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 363.424291] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 363.428906] ? trace_hardirqs_on+0xbd/0x310 [ 363.433254] ? filemap_map_pages+0xe04/0x1990 [ 363.437779] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 363.442888] ? __free_object+0x173/0x340 [ 363.446956] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 363.451907] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.457031] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 363.461727] ? debug_object_free+0x32d/0x690 [ 363.466590] ? kasan_check_read+0x11/0x20 [ 363.470751] ? debug_object_destroy+0x2b0/0x2b0 [ 363.475429] ? lock_pi_update_atomic+0x150/0x150 [ 363.480210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.485766] ? __hrtimer_init+0xdb/0x240 [ 363.489855] ? lock_acquire+0x1ed/0x520 [ 363.493839] ? ext4_filemap_fault+0x7a/0xad [ 363.498172] ? lock_release+0xa00/0xa00 [ 363.502149] ? perf_trace_sched_process_exec+0x860/0x860 [ 363.507629] ? print_usage_bug+0xc0/0xc0 [ 363.511714] ? print_usage_bug+0xc0/0xc0 [ 363.515799] ? down_read+0x8d/0x120 [ 363.519436] ? ext4_filemap_fault+0x7a/0xad [ 363.523762] ? __down_interruptible+0x700/0x700 [ 363.528448] ext4_filemap_fault+0x82/0xad [ 363.532610] __do_fault+0x100/0x6b0 [ 363.536248] ? pmd_devmap_trans_unstable+0x220/0x220 [ 363.541375] ? mark_held_locks+0x130/0x130 [ 363.545627] ? mark_held_locks+0x130/0x130 [ 363.549868] ? debug_smp_processor_id+0x1c/0x20 [ 363.554549] ? perf_trace_lock+0x14d/0x7a0 [ 363.558802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.564359] __handle_mm_fault+0x307c/0x5920 [ 363.568808] ? perf_trace_lock+0x7a0/0x7a0 [ 363.573079] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 363.577935] ? lock_is_held_type+0x210/0x210 [ 363.582365] ? ksys_dup3+0x680/0x680 [ 363.586107] ? zap_class+0x640/0x640 [ 363.589830] ? zap_class+0x640/0x640 [ 363.593552] ? __x64_sys_futex+0x53e/0x6a0 [ 363.597806] ? find_held_lock+0x36/0x1c0 [ 363.601890] ? handle_mm_fault+0x42a/0xc70 [ 363.606131] ? lock_downgrade+0x900/0x900 [ 363.610298] ? check_preemption_disabled+0x48/0x280 [ 363.615334] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 363.620268] ? kasan_check_read+0x11/0x20 [ 363.624434] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.629733] ? rcu_softirq_qs+0x20/0x20 [ 363.633728] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.638856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.644494] ? check_preemption_disabled+0x48/0x280 [ 363.649528] handle_mm_fault+0x54f/0xc70 [ 363.653604] ? __handle_mm_fault+0x5920/0x5920 [ 363.658226] ? find_vma+0x34/0x190 [ 363.661798] __do_page_fault+0x5e8/0xe60 [ 363.665876] ? trace_hardirqs_off+0xb8/0x310 [ 363.670294] ? kernel_write+0x120/0x120 [ 363.674293] do_page_fault+0xf2/0x7e0 [ 363.678103] ? vmalloc_sync_all+0x30/0x30 [ 363.682266] ? error_entry+0x70/0xd0 [ 363.685996] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.691017] ? trace_hardirqs_on_caller+0xc0/0x310 [ 363.695954] ? syscall_return_slowpath+0x5e0/0x5e0 [ 363.700902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.705762] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.710793] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.716273] ? prepare_exit_to_usermode+0x291/0x3b0 [ 363.721323] ? page_fault+0x8/0x30 [ 363.724894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.729755] ? page_fault+0x8/0x30 [ 363.733320] page_fault+0x1e/0x30 [ 363.736780] RIP: 0033:0x45ddf3 [ 363.739990] Code: Bad RIP value. [ 363.743355] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 363.748731] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 363.756006] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 363.763296] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 363.770575] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 363.777859] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 363.785172] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 363.785239] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.791700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.791706] Call Trace: [ 363.791732] dump_stack+0x244/0x39d [ 363.791750] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.791777] warn_alloc.cold.117+0xb7/0x1bd [ 363.798408] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.807673] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.810242] syz-fuzzer cpuset= [ 363.813881] ? lock_downgrade+0x900/0x900 [ 363.819047] / [ 363.823375] ? trace_hardirqs_off+0xb8/0x310 [ 363.833599] mems_allowed=0 [ 363.838462] ? trace_hardirqs_off+0xb8/0x310 [ 363.859215] __alloc_pages_slowpath+0x2660/0x2d70 [ 363.864093] ? warn_alloc+0x120/0x120 [ 363.867906] ? warn_alloc+0x120/0x120 [ 363.871728] ? print_usage_bug+0xc0/0xc0 [ 363.875816] ? warn_alloc+0x120/0x120 [ 363.879628] ? print_usage_bug+0xc0/0xc0 [ 363.883699] ? __lock_acquire+0x62f/0x4c20 [ 363.887944] ? __lock_acquire+0x62f/0x4c20 [ 363.892187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.897733] ? should_fail+0x22d/0xd01 [ 363.901634] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.906745] ? __lock_acquire+0x62f/0x4c20 [ 363.910997] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.916106] ? __lock_acquire+0x62f/0x4c20 [ 363.920365] ? should_fail+0x22d/0xd01 [ 363.924301] ? mark_held_locks+0x130/0x130 [ 363.928554] ? mark_held_locks+0x130/0x130 [ 363.932793] ? zap_class+0x640/0x640 [ 363.936514] ? zap_class+0x640/0x640 [ 363.940246] ? zap_class+0x640/0x640 [ 363.943976] ? print_usage_bug+0xc0/0xc0 [ 363.948039] ? mark_held_locks+0x130/0x130 [ 363.952294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.957863] ? check_preemption_disabled+0x48/0x280 [ 363.962901] ? __lock_is_held+0xb5/0x140 [ 363.966981] __alloc_pages_nodemask+0xa80/0xde0 [ 363.971657] ? zap_class+0x640/0x640 [ 363.975385] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 363.980419] ? find_held_lock+0x36/0x1c0 [ 363.984493] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.989186] ? lock_downgrade+0x900/0x900 [ 363.993374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.998924] cache_grow_begin+0xa5/0x8c0 [ 364.003002] ? do_raw_spin_unlock+0xa7/0x330 [ 364.007422] fallback_alloc+0x204/0x2e0 [ 364.011425] ____cache_alloc_node+0x1c7/0x1e0 [ 364.015940] kmem_cache_alloc_node+0xe3/0x730 [ 364.020456] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.024710] __alloc_skb+0x119/0x770 [ 364.028429] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.033712] ? netdev_alloc_frag+0x1f0/0x1f0 [ 364.038133] ? lock_downgrade+0x900/0x900 [ 364.042320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.047875] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.053341] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.058807] ? addrconf_rs_timer+0x690/0x690 [ 364.063234] ndisc_alloc_skb+0x144/0x340 [ 364.067341] ndisc_send_rs+0x331/0x6e0 [ 364.071244] addrconf_rs_timer+0x314/0x690 [ 364.075491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.079745] call_timer_fn+0x272/0x920 [ 364.083645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.087907] ? process_timeout+0x40/0x40 [ 364.091997] ? __run_timers+0x7da/0xc70 [ 364.095983] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.100485] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.105001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.109243] ? lockdep_hardirqs_on+0x296/0x5b0 [ 364.113832] ? trace_hardirqs_on+0xbd/0x310 [ 364.118196] ? kasan_check_read+0x11/0x20 [ 364.122360] ? __run_timers+0x7da/0xc70 [ 364.126355] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.131475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.135713] __run_timers+0x7e5/0xc70 [ 364.139545] ? timer_fixup_init+0x70/0x70 [ 364.143711] ? compat_start_thread+0x80/0x80 [ 364.148133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.153687] ? _raw_spin_unlock_irq+0x60/0x80 [ 364.158190] ? finish_task_switch+0x1f4/0x910 [ 364.162687] ? finish_task_switch+0x1b4/0x910 [ 364.167206] ? __switch_to_asm+0x34/0x70 [ 364.171301] ? preempt_notifier_register+0x200/0x200 [ 364.176426] ? __switch_to_asm+0x34/0x70 [ 364.180490] ? __switch_to_asm+0x40/0x70 [ 364.184553] ? __switch_to_asm+0x34/0x70 [ 364.188614] ? __switch_to_asm+0x40/0x70 [ 364.192694] ? __switch_to_asm+0x34/0x70 [ 364.196770] ? __switch_to_asm+0x40/0x70 [ 364.200837] ? __switch_to_asm+0x40/0x70 [ 364.204929] ? pvclock_read_flags+0x160/0x160 [ 364.209454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.215017] ? check_preemption_disabled+0x48/0x280 [ 364.220070] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 364.225622] ? rcu_pm_notify+0xc0/0xc0 [ 364.229516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.235057] ? check_preemption_disabled+0x48/0x280 [ 364.240086] run_timer_softirq+0x52/0xb0 [ 364.244169] ? rcu_read_lock_sched_held+0x14f/0x180 [ 364.249195] __do_softirq+0x308/0xb7e [ 364.253011] ? retint_kernel+0x2d/0x2d [ 364.256903] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 364.262045] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.267540] ? schedule+0x108/0x460 [ 364.271180] ? __schedule+0x21d0/0x21d0 [ 364.275166] ? trace_hardirqs_off+0xb8/0x310 [ 364.279589] ? smpboot_thread_fn+0x68b/0xa00 [ 364.284000] ? trace_hardirqs_on+0x310/0x310 [ 364.288421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.293979] ? check_preemption_disabled+0x48/0x280 [ 364.299004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.304553] ? takeover_tasklets+0xa90/0xa90 [ 364.308980] run_ksoftirqd+0x5e/0x100 [ 364.312791] smpboot_thread_fn+0x68b/0xa00 [ 364.317037] ? sort_range+0x30/0x30 [ 364.320676] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 364.325808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.331383] ? __kthread_parkme+0xfb/0x1a0 [ 364.335629] kthread+0x35a/0x420 [ 364.339007] ? sort_range+0x30/0x30 [ 364.342639] ? kthread_stop+0x900/0x900 [ 364.346635] ret_from_fork+0x3a/0x50 [ 364.350374] warn_alloc_show_mem: 1 callbacks suppressed [ 364.350387] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 364.350389] Mem-Info: [ 364.350420] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 364.350420] active_file:13 inactive_file:12 isolated_file:0 [ 364.350420] unevictable:0 dirty:0 writeback:0 unstable:0 [ 364.350420] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 364.350420] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 364.350420] free:13679 free_pcp:387 free_cma:0 [ 364.355770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.355780] Call Trace: [ 364.362890] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 364.365315] [ 364.398202] Node 0 [ 364.407586] dump_stack+0x244/0x39d [ 364.410176] 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 [ 364.437672] ? dump_stack_print_info.cold.1+0x20/0x20 [ 364.439812] lowmem_reserve[]: 0 [ 364.442076] warn_alloc.cold.117+0xb7/0x1bd [ 364.445669] 2818 [ 364.471195] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.476368] 6321 6321 [ 364.479678] ? lock_downgrade+0x900/0x900 [ 364.483978] Node 0 [ 364.486052] ? trace_hardirqs_off+0xb8/0x310 [ 364.490896] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 364.493371] ? trace_hardirqs_off+0xb8/0x310 [ 364.497488] lowmem_reserve[]: 0 [ 364.499747] __alloc_pages_slowpath+0x2660/0x2d70 [ 364.504130] 0 3503 [ 364.531164] ? warn_alloc+0x120/0x120 [ 364.535534] 3503 [ 364.538821] ? warn_alloc+0x120/0x120 [ 364.543640] Node 0 [ 364.545880] ? print_usage_bug+0xc0/0xc0 [ 364.549704] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 364.551754] ? warn_alloc+0x120/0x120 [ 364.555536] lowmem_reserve[]: [ 364.557802] ? print_usage_bug+0xc0/0xc0 [ 364.561831] 0 0 [ 364.590229] ? __lock_acquire+0x62f/0x4c20 [ 364.594009] 0 [ 364.597125] ? __lock_acquire+0x62f/0x4c20 [ 364.601168] 0 [ 364.603157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.607366] Node 0 [ 364.609174] ? should_fail+0x22d/0xd01 [ 364.613384] DMA: [ 364.615190] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.620741] 1*4kB [ 364.622986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.626849] (U) [ 364.628920] ? __lock_acquire+0x62f/0x4c20 [ 364.634171] 0*8kB [ 364.636352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.641427] 0*16kB 1*32kB [ 364.643420] ? __lock_acquire+0x62f/0x4c20 [ 364.647629] (U) 2*64kB [ 364.649794] ? should_fail+0x22d/0xd01 [ 364.654879] (U) [ 364.657731] ? rcu_irq_exit+0x1a2/0x390 [ 364.661931] 1*128kB (U) [ 364.664537] ? mark_held_locks+0x130/0x130 [ 364.668389] 1*256kB (U) [ 364.670383] ? mark_held_locks+0x130/0x130 [ 364.674341] 0*512kB [ 364.677017] ? mark_held_locks+0xc7/0x130 [ 364.681236] 1*1024kB [ 364.683913] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 364.688139] (U) [ 364.690467] ? zap_class+0x640/0x640 [ 364.694589] 1*2048kB (M) [ 364.697017] ? print_usage_bug+0xc0/0xc0 [ 364.702008] 3*4096kB [ 364.703987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.707674] (M) = 15908kB [ 364.710445] ? check_preemption_disabled+0x48/0x280 [ 364.714479] Node 0 [ 364.716902] ? __lock_is_held+0xb5/0x140 [ 364.722405] DMA32: 5*4kB [ 364.725193] __alloc_pages_nodemask+0xa80/0xde0 [ 364.730184] (M) 1*8kB [ 364.732438] ? zap_class+0x640/0x640 [ 364.736472] (U) [ 364.739237] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 364.743876] 4*16kB (M) [ 364.746399] ? find_held_lock+0x36/0x1c0 [ 364.750075] 2*32kB (M) [ 364.752069] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.757066] 4*64kB (UM) [ 364.759672] ? lock_downgrade+0x900/0x900 [ 364.763703] 3*128kB (M) [ 364.766316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.770957] 4*256kB (UM) [ 364.773646] cache_grow_begin+0xa5/0x8c0 [ 364.777791] 3*512kB (M) [ 364.780489] ? do_raw_spin_unlock+0xa7/0x330 [ 364.786008] 3*1024kB (UM) [ 364.788790] fallback_alloc+0x204/0x2e0 [ 364.792819] 3*2048kB (UM) [ 364.795520] ____cache_alloc_node+0x1c7/0x1e0 [ 364.799888] 3*4096kB (M) [ 364.802747] kmem_cache_alloc_node+0xe3/0x730 [ 364.806696] = 24860kB [ 364.809543] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.814035] Node 0 [ 364.816806] __alloc_skb+0x119/0x770 [ 364.821267] Normal: 767*4kB [ 364.823699] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.827907] (UME) [ 364.830143] ? netdev_alloc_frag+0x1f0/0x1f0 [ 364.833830] 454*8kB (ME) [ 364.836865] ? lock_downgrade+0x900/0x900 [ 364.842132] 185*16kB [ 364.844301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.848669] (UME) 80*32kB [ 364.851444] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.855563] (UME) [ 364.857976] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.863486] 22*64kB (M) [ 364.866353] ? addrconf_rs_timer+0x690/0x690 [ 364.871776] 1*128kB (U) [ 364.873957] ndisc_alloc_skb+0x144/0x340 [ 364.879368] 1*256kB (U) [ 364.882056] ndisc_send_rs+0x331/0x6e0 [ 364.886439] 0*512kB 0*1024kB [ 364.889132] addrconf_rs_timer+0x314/0x690 [ 364.893158] 0*2048kB 0*4096kB [ 364.895859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.899711] = 14012kB [ 364.899726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 364.902853] call_timer_fn+0x272/0x920 [ 364.907054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 364.910249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.914469] 163 total pagecache pages [ 364.916887] ? process_timeout+0x40/0x40 [ 364.925703] 0 pages in swap cache [ 364.929596] ? mark_held_locks+0xc7/0x130 [ 364.938152] Swap cache stats: add 0, delete 0, find 0/0 [ 364.938163] Free swap = 0kB [ 364.942416] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.946192] Total swap = 0kB [ 364.950258] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.953689] 1965979 pages RAM [ 364.957837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.957856] ? lockdep_hardirqs_on+0x296/0x5b0 [ 364.963208] 0 pages HighMem/MovableOnly [ 364.963219] 342867 pages reserved [ 364.966255] ? trace_hardirqs_on+0xbd/0x310 [ 364.970728] 0 pages cma reserved [ 364.973751] ? kasan_check_read+0x11/0x20 [ 364.978342] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.981332] ? __run_timers+0x7da/0xc70 [ 364.985609] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.990159] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.994111] ksoftirqd/0 cpuset= [ 364.997570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.001890] / [ 365.005259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.009393] mems_allowed=0 [ 365.015903] __run_timers+0x7e5/0xc70 [ 365.055498] ? timer_fixup_init+0x70/0x70 [ 365.059683] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 365.064721] ? zap_class+0x640/0x640 [ 365.068452] ? print_usage_bug+0xc0/0xc0 [ 365.072520] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 365.077722] ? find_held_lock+0x36/0x1c0 [ 365.081800] ? zap_class+0x640/0x640 [ 365.085536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.091103] ? check_preemption_disabled+0x48/0x280 [ 365.096139] ? __lock_is_held+0xb5/0x140 [ 365.100206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.105766] ? check_preemption_disabled+0x48/0x280 [ 365.110811] run_timer_softirq+0x52/0xb0 [ 365.114914] ? rcu_read_lock_sched_held+0x14f/0x180 [ 365.119943] __do_softirq+0x308/0xb7e [ 365.123757] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 365.128259] ? lock_downgrade+0x900/0x900 [ 365.132430] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 365.137553] ? pvclock_read_flags+0x160/0x160 [ 365.142069] ? lapic_next_event+0x5a/0x90 [ 365.146229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.151798] ? kvm_clock_read+0x18/0x30 [ 365.155790] ? kvm_sched_clock_read+0x9/0x20 [ 365.160224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.165772] ? check_preemption_disabled+0x48/0x280 [ 365.170814] irq_exit+0x17f/0x1c0 [ 365.174298] smp_apic_timer_interrupt+0x1cb/0x760 [ 365.179161] ? smp_reschedule_interrupt+0x109/0x650 [ 365.184189] ? smp_call_function_single_interrupt+0x650/0x650 [ 365.190084] ? interrupt_entry+0xb5/0xc0 [ 365.194164] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.199192] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.204223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.209074] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.214093] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.219123] ? task_prio+0x50/0x50 [ 365.222679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.228247] ? check_preemption_disabled+0x48/0x280 [ 365.233294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.238155] apic_timer_interrupt+0xf/0x20 [ 365.242391] [ 365.244637] RIP: 0010:dump_stack+0x358/0x39d [ 365.249053] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 365.267967] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 365.275698] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 365.282984] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 365.290267] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 365.297558] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 365.304849] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 365.312151] ? dump_stack+0x34f/0x39d [ 365.315972] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.321213] dump_header+0x27b/0xf72 [ 365.324947] ? mark_held_locks+0x130/0x130 [ 365.329215] ? pagefault_out_of_memory+0x197/0x197 [ 365.334162] ? __lock_acquire+0x62f/0x4c20 [ 365.338409] ? zap_class+0x640/0x640 [ 365.342134] ? percpu_ref_get_many+0x240/0x240 [ 365.346758] ? print_usage_bug+0xc0/0xc0 [ 365.350858] ? print_usage_bug+0xc0/0xc0 [ 365.354933] ? zap_class+0x640/0x640 [ 365.358658] ? print_usage_bug+0xc0/0xc0 [ 365.362739] ? print_usage_bug+0xc0/0xc0 [ 365.366816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.372377] ? find_held_lock+0x36/0x1c0 [ 365.376465] ? mark_held_locks+0xc7/0x130 [ 365.380632] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.385750] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.390867] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 365.395470] ? trace_hardirqs_on+0xbd/0x310 [ 365.399804] ? kasan_check_read+0x11/0x20 [ 365.403978] ? ___ratelimit+0x3b4/0x672 [ 365.407971] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.413084] ? trace_hardirqs_on+0x310/0x310 [ 365.417498] ? lock_downgrade+0x900/0x900 [ 365.421658] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.426779] ? ___ratelimit+0x3b9/0x672 [ 365.430772] ? idr_get_free+0xec0/0xec0 [ 365.434764] ? find_held_lock+0x36/0x1c0 [ 365.438852] oom_kill_process.cold.27+0x10/0x903 [ 365.443615] ? zap_class+0x640/0x640 [ 365.447340] ? check_preemption_disabled+0x48/0x280 [ 365.452403] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.457344] ? kasan_check_read+0x11/0x20 [ 365.461510] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.467198] ? oom_evaluate_task+0x540/0x540 [ 365.471619] ? find_held_lock+0x36/0x1c0 [ 365.475702] ? out_of_memory+0x974/0x1430 [ 365.479868] ? lock_downgrade+0x900/0x900 [ 365.484026] ? check_preemption_disabled+0x48/0x280 [ 365.489056] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.494001] ? kasan_check_read+0x11/0x20 [ 365.498164] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.503470] ? rcu_softirq_qs+0x20/0x20 [ 365.507463] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.513005] ? oom_evaluate_task+0x302/0x540 [ 365.517432] out_of_memory+0xa84/0x1430 [ 365.521432] ? oom_killer_disable+0x3a0/0x3a0 [ 365.525941] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 365.530886] ? __mutex_add_waiter+0x2a0/0x2a0 [ 365.535403] __alloc_pages_slowpath+0x22d4/0x2d70 [ 365.540281] ? warn_alloc+0x120/0x120 [ 365.544099] ? rcu_softirq_qs+0x20/0x20 [ 365.548102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.553666] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.559234] ? should_fail+0x22d/0xd01 [ 365.563141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.568253] ? zap_class+0x640/0x640 [ 365.572002] ? __lock_is_held+0xb5/0x140 [ 365.576098] ? mark_held_locks+0x130/0x130 [ 365.580357] ? lock_release+0xa00/0xa00 [ 365.584343] ? perf_trace_sched_process_exec+0x860/0x860 [ 365.589810] ? __might_sleep+0x95/0x190 [ 365.593821] __alloc_pages_nodemask+0xa80/0xde0 [ 365.598508] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 365.603559] ? __page_cache_alloc+0x191/0x5c0 [ 365.608071] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.613006] ? kasan_check_read+0x11/0x20 [ 365.617172] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.622462] ? zap_class+0x640/0x640 [ 365.626210] ? zap_class+0x640/0x640 [ 365.629944] ? zap_class+0x640/0x640 [ 365.633669] ? __do_page_cache_readahead+0x7ce/0x980 [ 365.638782] ? find_held_lock+0x36/0x1c0 [ 365.642856] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 365.648408] alloc_pages_current+0x173/0x350 [ 365.652852] __page_cache_alloc+0x38c/0x5c0 [ 365.657196] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.662135] ? kasan_check_read+0x11/0x20 [ 365.666300] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.671593] ? generic_perform_write+0x6a0/0x6a0 [ 365.676361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.681927] ? check_preemption_disabled+0x48/0x280 [ 365.686977] filemap_fault+0x1594/0x25f0 [ 365.691057] ? __lock_page_or_retry+0xa00/0xa00 [ 365.695732] ? mark_held_locks+0x130/0x130 [ 365.699974] ? rcu_softirq_qs+0x20/0x20 [ 365.703960] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.709086] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 365.713690] ? trace_hardirqs_on+0xbd/0x310 [ 365.718026] ? filemap_map_pages+0xe04/0x1990 [ 365.722544] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.727660] ? __free_object+0x173/0x340 [ 365.731739] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 365.736680] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.741806] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 365.746509] ? debug_object_free+0x32d/0x690 [ 365.750926] ? kasan_check_read+0x11/0x20 [ 365.755090] ? debug_object_destroy+0x2b0/0x2b0 [ 365.759772] ? lock_pi_update_atomic+0x150/0x150 [ 365.764535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.770092] ? __hrtimer_init+0xdb/0x240 [ 365.774175] ? lock_acquire+0x1ed/0x520 [ 365.778164] ? ext4_filemap_fault+0x7a/0xad [ 365.782503] ? lock_release+0xa00/0xa00 [ 365.786484] ? perf_trace_sched_process_exec+0x860/0x860 [ 365.791940] ? print_usage_bug+0xc0/0xc0 [ 365.796009] ? print_usage_bug+0xc0/0xc0 [ 365.800097] ? down_read+0x8d/0x120 [ 365.803727] ? ext4_filemap_fault+0x7a/0xad [ 365.808057] ? __down_interruptible+0x700/0x700 [ 365.812740] ext4_filemap_fault+0x82/0xad [ 365.816895] __do_fault+0x100/0x6b0 [ 365.820537] ? pmd_devmap_trans_unstable+0x220/0x220 [ 365.825660] ? mark_held_locks+0x130/0x130 [ 365.829912] ? mark_held_locks+0x130/0x130 [ 365.834159] ? debug_smp_processor_id+0x1c/0x20 [ 365.838840] ? perf_trace_lock+0x14d/0x7a0 [ 365.843088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.848648] __handle_mm_fault+0x307c/0x5920 [ 365.853067] ? perf_trace_lock+0x7a0/0x7a0 [ 365.857321] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 365.862173] ? lock_is_held_type+0x210/0x210 [ 365.866594] ? ksys_dup3+0x680/0x680 [ 365.870345] ? zap_class+0x640/0x640 [ 365.874063] ? zap_class+0x640/0x640 [ 365.877779] ? __x64_sys_futex+0x53e/0x6a0 [ 365.882025] ? find_held_lock+0x36/0x1c0 [ 365.886101] ? handle_mm_fault+0x42a/0xc70 [ 365.890356] ? lock_downgrade+0x900/0x900 [ 365.894514] ? check_preemption_disabled+0x48/0x280 [ 365.899544] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.904480] ? kasan_check_read+0x11/0x20 [ 365.908638] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.913931] ? rcu_softirq_qs+0x20/0x20 [ 365.917909] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.923020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.928572] ? check_preemption_disabled+0x48/0x280 [ 365.933618] handle_mm_fault+0x54f/0xc70 [ 365.937700] ? __handle_mm_fault+0x5920/0x5920 [ 365.942312] ? find_vma+0x34/0x190 [ 365.945872] __do_page_fault+0x5e8/0xe60 [ 365.949942] ? trace_hardirqs_off+0xb8/0x310 [ 365.954353] ? kernel_write+0x120/0x120 [ 365.958351] do_page_fault+0xf2/0x7e0 [ 365.962164] ? vmalloc_sync_all+0x30/0x30 [ 365.966330] ? error_entry+0x70/0xd0 [ 365.970049] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.975068] ? trace_hardirqs_on_caller+0xc0/0x310 [ 365.980007] ? syscall_return_slowpath+0x5e0/0x5e0 [ 365.984947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.989797] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.994820] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.000312] ? prepare_exit_to_usermode+0x291/0x3b0 [ 366.005371] ? page_fault+0x8/0x30 [ 366.008922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.013787] ? page_fault+0x8/0x30 [ 366.017339] page_fault+0x1e/0x30 [ 366.020797] RIP: 0033:0x45ddf3 [ 366.024016] Code: Bad RIP value. [ 366.027387] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 366.032755] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 366.040030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 366.047320] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 366.054606] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 366.061885] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 366.069189] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 366.069254] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.075699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.075711] Call Trace: [ 366.082361] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.091599] dump_stack+0x244/0x39d [ 366.094161] syz-fuzzer cpuset= [ 366.104407] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.108008] / [ 366.111209] warn_alloc.cold.117+0xb7/0x1bd [ 366.116378] mems_allowed=0 [ 366.118097] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.130185] ? lock_downgrade+0x900/0x900 [ 366.134374] ? trace_hardirqs_off+0xb8/0x310 [ 366.138799] ? trace_hardirqs_off+0xb8/0x310 [ 366.143224] __alloc_pages_slowpath+0x2660/0x2d70 [ 366.148102] ? warn_alloc+0x120/0x120 [ 366.151927] ? warn_alloc+0x120/0x120 [ 366.155745] ? print_usage_bug+0xc0/0xc0 [ 366.159813] ? warn_alloc+0x120/0x120 [ 366.163635] ? print_usage_bug+0xc0/0xc0 [ 366.167706] ? __lock_acquire+0x62f/0x4c20 [ 366.171945] ? __lock_acquire+0x62f/0x4c20 [ 366.176191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.181741] ? should_fail+0x22d/0xd01 [ 366.185638] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.190749] ? __lock_acquire+0x62f/0x4c20 [ 366.194998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.200106] ? __lock_acquire+0x62f/0x4c20 [ 366.204357] ? should_fail+0x22d/0xd01 [ 366.208260] ? find_held_lock+0x36/0x1c0 [ 366.212347] ? mark_held_locks+0x130/0x130 [ 366.216590] ? mark_held_locks+0x130/0x130 [ 366.220832] ? zap_class+0x640/0x640 [ 366.224554] ? zap_class+0x640/0x640 [ 366.228298] ? print_usage_bug+0xc0/0xc0 [ 366.232376] ? do_raw_spin_unlock+0xa7/0x330 [ 366.236801] ? zap_class+0x640/0x640 [ 366.240537] ? print_usage_bug+0xc0/0xc0 [ 366.244612] ? wq_watchdog_touch+0x9c/0xfe [ 366.248857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.254418] ? check_preemption_disabled+0x48/0x280 [ 366.259473] ? __lock_is_held+0xb5/0x140 [ 366.263554] __alloc_pages_nodemask+0xa80/0xde0 [ 366.268229] ? zap_class+0x640/0x640 [ 366.271956] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 366.276989] ? find_held_lock+0x36/0x1c0 [ 366.281091] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.285783] ? lock_downgrade+0x900/0x900 [ 366.289947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.295497] cache_grow_begin+0xa5/0x8c0 [ 366.299564] ? do_raw_spin_unlock+0xa7/0x330 [ 366.303994] fallback_alloc+0x204/0x2e0 [ 366.308020] ____cache_alloc_node+0x1c7/0x1e0 [ 366.312541] kmem_cache_alloc_node+0xe3/0x730 [ 366.317046] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.321304] __alloc_skb+0x119/0x770 [ 366.325051] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.330347] ? netdev_alloc_frag+0x1f0/0x1f0 [ 366.334767] ? lock_downgrade+0x900/0x900 [ 366.338938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.344491] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.349955] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.355444] ? addrconf_rs_timer+0x690/0x690 [ 366.360365] ndisc_alloc_skb+0x144/0x340 [ 366.364456] ndisc_send_rs+0x331/0x6e0 [ 366.368359] addrconf_rs_timer+0x314/0x690 [ 366.372616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.376877] call_timer_fn+0x272/0x920 [ 366.380770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.385031] ? process_timeout+0x40/0x40 [ 366.389110] ? __run_timers+0x7da/0xc70 [ 366.393098] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.397598] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.402114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.406370] ? lockdep_hardirqs_on+0x296/0x5b0 [ 366.410968] ? trace_hardirqs_on+0xbd/0x310 [ 366.415308] ? kasan_check_read+0x11/0x20 [ 366.419468] ? __run_timers+0x7da/0xc70 [ 366.423452] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.428570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.432823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.437079] __run_timers+0x7e5/0xc70 [ 366.440916] ? timer_fixup_init+0x70/0x70 [ 366.445070] ? compat_start_thread+0x80/0x80 [ 366.449490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.455048] ? _raw_spin_unlock_irq+0x60/0x80 [ 366.459569] ? finish_task_switch+0x1f4/0x910 [ 366.464073] ? finish_task_switch+0x1b4/0x910 [ 366.468576] ? __switch_to_asm+0x34/0x70 [ 366.472647] ? preempt_notifier_register+0x200/0x200 [ 366.477759] ? __switch_to_asm+0x34/0x70 [ 366.481832] ? __switch_to_asm+0x40/0x70 [ 366.485907] ? __switch_to_asm+0x34/0x70 [ 366.489984] ? __switch_to_asm+0x40/0x70 [ 366.494053] ? __switch_to_asm+0x34/0x70 [ 366.498119] ? __switch_to_asm+0x40/0x70 [ 366.502190] ? __switch_to_asm+0x40/0x70 [ 366.506267] ? pvclock_read_flags+0x160/0x160 [ 366.510794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.516356] ? check_preemption_disabled+0x48/0x280 [ 366.521400] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 366.526945] ? rcu_pm_notify+0xc0/0xc0 [ 366.530843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.536402] ? check_preemption_disabled+0x48/0x280 [ 366.541431] run_timer_softirq+0x52/0xb0 [ 366.545520] ? rcu_read_lock_sched_held+0x14f/0x180 [ 366.550550] __do_softirq+0x308/0xb7e [ 366.554367] ? retint_kernel+0x2d/0x2d [ 366.558265] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 366.563393] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.568859] ? schedule+0x108/0x460 [ 366.572491] ? __schedule+0x21d0/0x21d0 [ 366.576476] ? trace_hardirqs_off+0xb8/0x310 [ 366.580904] ? smpboot_thread_fn+0x68b/0xa00 [ 366.585343] ? trace_hardirqs_on+0x310/0x310 [ 366.589763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.595314] ? check_preemption_disabled+0x48/0x280 [ 366.600348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.605893] ? takeover_tasklets+0xa90/0xa90 [ 366.610339] run_ksoftirqd+0x5e/0x100 [ 366.614177] smpboot_thread_fn+0x68b/0xa00 [ 366.618424] ? sort_range+0x30/0x30 [ 366.622060] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 366.627170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.632721] ? __kthread_parkme+0xfb/0x1a0 [ 366.636981] kthread+0x35a/0x420 [ 366.640374] ? sort_range+0x30/0x30 [ 366.644011] ? kthread_stop+0x900/0x900 [ 366.647997] ret_from_fork+0x3a/0x50 [ 366.651731] warn_alloc_show_mem: 1 callbacks suppressed [ 366.651743] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 366.651746] Mem-Info: [ 366.651778] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 366.651778] active_file:13 inactive_file:12 isolated_file:0 [ 366.651778] unevictable:0 dirty:0 writeback:0 unstable:0 [ 366.651778] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 366.651778] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 366.651778] free:13679 free_pcp:387 free_cma:0 [ 366.657126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.657136] Call Trace: [ 366.663826] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 366.666243] [ 366.699128] Node 0 [ 366.708503] dump_stack+0x244/0x39d [ 366.711093] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 366.738589] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.740718] lowmem_reserve[]: [ 366.742968] warn_alloc.cold.117+0xb7/0x1bd [ 366.746560] 0 [ 366.772082] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.777272] 2818 [ 366.780404] ? lock_downgrade+0x900/0x900 [ 366.784698] 6321 [ 366.786511] ? trace_hardirqs_off+0xb8/0x310 [ 366.791323] 6321 [ 366.793414] ? trace_hardirqs_off+0xb8/0x310 [ 366.797549] Node 0 [ 366.799622] __alloc_pages_slowpath+0x2660/0x2d70 [ 366.804048] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 366.806125] ? warn_alloc+0x120/0x120 [ 366.810474] lowmem_reserve[]: 0 [ 366.812733] ? warn_alloc+0x120/0x120 [ 366.817557] 0 [ 366.844556] ? print_usage_bug+0xc0/0xc0 [ 366.848339] 3503 [ 366.851623] ? warn_alloc+0x120/0x120 [ 366.855406] 3503 [ 366.857224] ? print_usage_bug+0xc0/0xc0 [ 366.861259] Node 0 [ 366.863335] ? __lock_acquire+0x62f/0x4c20 [ 366.867149] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 366.869191] ? __lock_acquire+0x62f/0x4c20 [ 366.873219] lowmem_reserve[]: 0 [ 366.875469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.879675] 0 0 [ 366.908069] ? should_fail+0x22d/0xd01 [ 366.912292] 0 [ 366.915600] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.921122] Node 0 [ 366.923108] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.926978] DMA: [ 366.928781] ? __lock_acquire+0x62f/0x4c20 [ 366.934046] 1*4kB [ 366.936302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.941383] (U) [ 366.943453] ? __lock_acquire+0x62f/0x4c20 [ 366.947662] 0*8kB [ 366.949810] ? should_fail+0x22d/0xd01 [ 366.954884] 0*16kB 1*32kB [ 366.956876] ? rcu_irq_exit+0x1a2/0x390 [ 366.961089] (U) [ 366.963252] ? mark_held_locks+0x130/0x130 [ 366.967106] 2*64kB (U) [ 366.969974] ? mark_held_locks+0x130/0x130 [ 366.973923] 1*128kB [ 366.975899] ? mark_held_locks+0xc7/0x130 [ 366.980125] (U) [ 366.982711] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 366.986929] 1*256kB [ 366.989256] ? zap_class+0x640/0x640 [ 366.993388] (U) 0*512kB [ 366.995389] ? print_usage_bug+0xc0/0xc0 [ 367.000380] 1*1024kB [ 367.002707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.006401] (U) [ 367.009092] ? check_preemption_disabled+0x48/0x280 [ 367.013134] 1*2048kB [ 367.015556] ? __lock_is_held+0xb5/0x140 [ 367.021069] (M) [ 367.023052] __alloc_pages_nodemask+0xa80/0xde0 [ 367.028041] 3*4096kB [ 367.030474] ? zap_class+0x640/0x640 [ 367.034515] (M) [ 367.036500] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 367.041156] = 15908kB [ 367.041166] Node 0 [ 367.043593] ? find_held_lock+0x36/0x1c0 [ 367.047276] DMA32: [ 367.049269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.054261] 5*4kB [ 367.056680] ? lock_downgrade+0x900/0x900 [ 367.058893] (M) [ 367.062959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.065172] 1*8kB (U) [ 367.069866] cache_grow_begin+0xa5/0x8c0 [ 367.071992] 4*16kB [ 367.076153] ? do_raw_spin_unlock+0xa7/0x330 [ 367.078106] (M) [ 367.083650] fallback_alloc+0x204/0x2e0 [ 367.086125] 2*32kB [ 367.090206] ____cache_alloc_node+0x1c7/0x1e0 [ 367.092418] (M) 4*64kB [ 367.096852] kmem_cache_alloc_node+0xe3/0x730 [ 367.098794] (UM) [ 367.102771] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.104988] 3*128kB [ 367.109488] __alloc_skb+0x119/0x770 [ 367.112046] (M) [ 367.116564] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.118606] 4*256kB [ 367.122849] ? netdev_alloc_frag+0x1f0/0x1f0 [ 367.125161] (UM) [ 367.128873] ? lock_downgrade+0x900/0x900 [ 367.130837] 3*512kB [ 367.136119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.138416] (M) 3*1024kB [ 367.142852] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.144893] (UM) [ 367.149046] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.151353] 3*2048kB [ 367.156888] ? addrconf_rs_timer+0x690/0x690 [ 367.159626] (UM) [ 367.165101] ndisc_alloc_skb+0x144/0x340 [ 367.167147] 3*4096kB [ 367.172603] ndisc_send_rs+0x331/0x6e0 [ 367.174990] (M) [ 367.179404] addrconf_rs_timer+0x314/0x690 [ 367.181441] = 24860kB [ 367.185505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.187888] Node 0 [ 367.191800] call_timer_fn+0x272/0x920 [ 367.193752] Normal: [ 367.197995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.200385] 767*4kB [ 367.204627] ? process_timeout+0x40/0x40 [ 367.206845] (UME) [ 367.210740] ? mark_held_locks+0xc7/0x130 [ 367.213038] 454*8kB [ 367.217298] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.219606] (ME) [ 367.223673] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.225799] 185*16kB [ 367.229954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.232263] (UME) [ 367.236768] ? lockdep_hardirqs_on+0x296/0x5b0 [ 367.238807] 80*32kB [ 367.243333] ? trace_hardirqs_on+0xbd/0x310 [ 367.245731] (UME) 22*64kB [ 367.249990] ? kasan_check_read+0x11/0x20 [ 367.252119] (M) [ 367.256706] ? __run_timers+0x7da/0xc70 [ 367.259004] 1*128kB [ 367.263384] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.266203] (U) 1*256kB [ 367.270381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.272343] (U) [ 367.276334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.278641] 0*512kB [ 367.283745] __run_timers+0x7e5/0xc70 [ 367.286391] 0*1024kB 0*2048kB [ 367.290654] ? timer_fixup_init+0x70/0x70 [ 367.292593] 0*4096kB = 14012kB [ 367.296858] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 367.299167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 367.302964] ? zap_class+0x640/0x640 [ 367.306135] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 367.306144] 163 total pagecache pages [ 367.310314] ? print_usage_bug+0xc0/0xc0 [ 367.313494] 0 pages in swap cache [ 367.318527] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 367.327354] Swap cache stats: add 0, delete 0, find 0/0 [ 367.327365] Free swap = 0kB [ 367.331096] ? find_held_lock+0x36/0x1c0 [ 367.339636] Total swap = 0kB [ 367.339646] 1965979 pages RAM [ 367.343458] ? zap_class+0x640/0x640 [ 367.347497] 0 pages HighMem/MovableOnly [ 367.347508] 342867 pages reserved [ 367.350977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.356134] 0 pages cma reserved [ 367.356248] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.361510] ? check_preemption_disabled+0x48/0x280 [ 367.361534] ? __lock_is_held+0xb5/0x140 [ 367.361553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.364611] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.368617] ? check_preemption_disabled+0x48/0x280 [ 367.371620] ksoftirqd/0 cpuset= [ 367.374739] run_timer_softirq+0x52/0xb0 [ 367.378429] / [ 367.382411] ? rcu_read_lock_sched_held+0x14f/0x180 [ 367.385844] mems_allowed=0 [ 367.391378] __do_softirq+0x308/0xb7e [ 367.451912] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 367.456416] ? lock_downgrade+0x900/0x900 [ 367.460574] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 367.466175] ? pvclock_read_flags+0x160/0x160 [ 367.470681] ? lapic_next_event+0x5a/0x90 [ 367.474868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.480437] ? kvm_clock_read+0x18/0x30 [ 367.484424] ? kvm_sched_clock_read+0x9/0x20 [ 367.488848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.494389] ? check_preemption_disabled+0x48/0x280 [ 367.499433] irq_exit+0x17f/0x1c0 [ 367.502908] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.507764] ? smp_reschedule_interrupt+0x109/0x650 [ 367.512793] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.518689] ? interrupt_entry+0xb5/0xc0 [ 367.522760] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.527801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.532849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.537706] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.542728] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.547748] ? task_prio+0x50/0x50 [ 367.551326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.556889] ? check_preemption_disabled+0x48/0x280 [ 367.561924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.566799] apic_timer_interrupt+0xf/0x20 [ 367.571049] [ 367.573300] RIP: 0010:dump_stack+0x358/0x39d [ 367.577732] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 367.596647] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 367.604381] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 367.611680] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 367.618956] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 367.626243] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 367.633538] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 367.640846] ? dump_stack+0x34f/0x39d [ 367.644672] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.649902] dump_header+0x27b/0xf72 [ 367.653655] ? mark_held_locks+0x130/0x130 [ 367.657907] ? pagefault_out_of_memory+0x197/0x197 [ 367.662854] ? __lock_acquire+0x62f/0x4c20 [ 367.667096] ? zap_class+0x640/0x640 [ 367.670828] ? percpu_ref_get_many+0x240/0x240 [ 367.675441] ? print_usage_bug+0xc0/0xc0 [ 367.679521] ? print_usage_bug+0xc0/0xc0 [ 367.683594] ? zap_class+0x640/0x640 [ 367.687322] ? print_usage_bug+0xc0/0xc0 [ 367.691386] ? print_usage_bug+0xc0/0xc0 [ 367.695467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.701020] ? find_held_lock+0x36/0x1c0 [ 367.705111] ? mark_held_locks+0xc7/0x130 [ 367.709272] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.714394] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.719519] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 367.724111] ? trace_hardirqs_on+0xbd/0x310 [ 367.728444] ? kasan_check_read+0x11/0x20 [ 367.732600] ? ___ratelimit+0x3b4/0x672 [ 367.736607] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.741724] ? trace_hardirqs_on+0x310/0x310 [ 367.746142] ? lock_downgrade+0x900/0x900 [ 367.750315] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.755437] ? ___ratelimit+0x3b9/0x672 [ 367.759423] ? idr_get_free+0xec0/0xec0 [ 367.763409] ? find_held_lock+0x36/0x1c0 [ 367.767496] oom_kill_process.cold.27+0x10/0x903 [ 367.772276] ? zap_class+0x640/0x640 [ 367.776008] ? check_preemption_disabled+0x48/0x280 [ 367.781058] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.785995] ? kasan_check_read+0x11/0x20 [ 367.790159] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.795452] ? oom_evaluate_task+0x540/0x540 [ 367.799869] ? find_held_lock+0x36/0x1c0 [ 367.803941] ? out_of_memory+0x974/0x1430 [ 367.808105] ? lock_downgrade+0x900/0x900 [ 367.812261] ? check_preemption_disabled+0x48/0x280 [ 367.817313] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.822262] ? kasan_check_read+0x11/0x20 [ 367.826447] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.831733] ? rcu_softirq_qs+0x20/0x20 [ 367.835726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.841277] ? oom_evaluate_task+0x302/0x540 [ 367.845705] out_of_memory+0xa84/0x1430 [ 367.849696] ? oom_killer_disable+0x3a0/0x3a0 [ 367.854195] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 367.859148] ? __mutex_add_waiter+0x2a0/0x2a0 [ 367.863678] __alloc_pages_slowpath+0x22d4/0x2d70 [ 367.868565] ? warn_alloc+0x120/0x120 [ 367.872372] ? rcu_softirq_qs+0x20/0x20 [ 367.876381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.881931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.887491] ? should_fail+0x22d/0xd01 [ 367.891394] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.896509] ? zap_class+0x640/0x640 [ 367.900250] ? __lock_is_held+0xb5/0x140 [ 367.904349] ? mark_held_locks+0x130/0x130 [ 367.908603] ? lock_release+0xa00/0xa00 [ 367.912592] ? perf_trace_sched_process_exec+0x860/0x860 [ 367.918071] ? __might_sleep+0x95/0x190 [ 367.922079] __alloc_pages_nodemask+0xa80/0xde0 [ 367.926775] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 367.931794] ? __page_cache_alloc+0x191/0x5c0 [ 367.936328] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.941294] ? kasan_check_read+0x11/0x20 [ 367.945458] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.950746] ? zap_class+0x640/0x640 [ 367.954470] ? zap_class+0x640/0x640 [ 367.958185] ? zap_class+0x640/0x640 [ 367.961914] ? __do_page_cache_readahead+0x7ce/0x980 [ 367.967050] ? find_held_lock+0x36/0x1c0 [ 367.971138] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 367.976691] alloc_pages_current+0x173/0x350 [ 367.981112] __page_cache_alloc+0x38c/0x5c0 [ 367.985444] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.990384] ? kasan_check_read+0x11/0x20 [ 367.994539] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.999839] ? generic_perform_write+0x6a0/0x6a0 [ 368.004612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.010157] ? check_preemption_disabled+0x48/0x280 [ 368.015196] filemap_fault+0x1594/0x25f0 [ 368.019275] ? __lock_page_or_retry+0xa00/0xa00 [ 368.023966] ? mark_held_locks+0x130/0x130 [ 368.028212] ? rcu_softirq_qs+0x20/0x20 [ 368.032204] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 368.037328] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 368.041924] ? trace_hardirqs_on+0xbd/0x310 [ 368.046273] ? filemap_map_pages+0xe04/0x1990 [ 368.050806] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.055933] ? __free_object+0x173/0x340 [ 368.060005] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 368.064952] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.070063] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 368.074753] ? debug_object_free+0x32d/0x690 [ 368.079177] ? kasan_check_read+0x11/0x20 [ 368.083340] ? debug_object_destroy+0x2b0/0x2b0 [ 368.088027] ? lock_pi_update_atomic+0x150/0x150 [ 368.092793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.098341] ? __hrtimer_init+0xdb/0x240 [ 368.102428] ? lock_acquire+0x1ed/0x520 [ 368.106414] ? ext4_filemap_fault+0x7a/0xad [ 368.110748] ? lock_release+0xa00/0xa00 [ 368.114734] ? perf_trace_sched_process_exec+0x860/0x860 [ 368.120195] ? print_usage_bug+0xc0/0xc0 [ 368.124265] ? print_usage_bug+0xc0/0xc0 [ 368.128352] ? down_read+0x8d/0x120 [ 368.131979] ? ext4_filemap_fault+0x7a/0xad [ 368.136320] ? __down_interruptible+0x700/0x700 [ 368.141020] ext4_filemap_fault+0x82/0xad [ 368.145177] __do_fault+0x100/0x6b0 [ 368.148819] ? pmd_devmap_trans_unstable+0x220/0x220 [ 368.153936] ? mark_held_locks+0x130/0x130 [ 368.158179] ? mark_held_locks+0x130/0x130 [ 368.162429] ? debug_smp_processor_id+0x1c/0x20 [ 368.167107] ? perf_trace_lock+0x14d/0x7a0 [ 368.171364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.176916] __handle_mm_fault+0x307c/0x5920 [ 368.181330] ? perf_trace_lock+0x7a0/0x7a0 [ 368.185586] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 368.190442] ? lock_is_held_type+0x210/0x210 [ 368.194866] ? ksys_dup3+0x680/0x680 [ 368.198615] ? zap_class+0x640/0x640 [ 368.202334] ? zap_class+0x640/0x640 [ 368.206055] ? __x64_sys_futex+0x53e/0x6a0 [ 368.210310] ? find_held_lock+0x36/0x1c0 [ 368.214396] ? handle_mm_fault+0x42a/0xc70 [ 368.218642] ? lock_downgrade+0x900/0x900 [ 368.222800] ? check_preemption_disabled+0x48/0x280 [ 368.227846] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 368.232784] ? kasan_check_read+0x11/0x20 [ 368.236945] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.242236] ? rcu_softirq_qs+0x20/0x20 [ 368.246222] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.251344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.256890] ? check_preemption_disabled+0x48/0x280 [ 368.261923] handle_mm_fault+0x54f/0xc70 [ 368.266007] ? __handle_mm_fault+0x5920/0x5920 [ 368.270612] ? find_vma+0x34/0x190 [ 368.274167] __do_page_fault+0x5e8/0xe60 [ 368.278236] ? trace_hardirqs_off+0xb8/0x310 [ 368.282649] ? kernel_write+0x120/0x120 [ 368.286640] do_page_fault+0xf2/0x7e0 [ 368.290460] ? vmalloc_sync_all+0x30/0x30 [ 368.294619] ? error_entry+0x70/0xd0 [ 368.298341] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.303390] ? trace_hardirqs_on_caller+0xc0/0x310 [ 368.308343] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.313295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.318155] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.323179] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.328655] ? prepare_exit_to_usermode+0x291/0x3b0 [ 368.333686] ? page_fault+0x8/0x30 [ 368.337261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.342134] ? page_fault+0x8/0x30 [ 368.345687] page_fault+0x1e/0x30 [ 368.349143] RIP: 0033:0x45ddf3 [ 368.352351] Code: Bad RIP value. [ 368.355724] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 368.361341] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 368.368622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 368.375897] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 368.383177] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 368.390456] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 368.397762] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 368.397834] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 368.404294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.404304] Call Trace: [ 368.410912] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.420180] dump_stack+0x244/0x39d [ 368.422748] syz-fuzzer cpuset= [ 368.432989] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.436627] / [ 368.439839] warn_alloc.cold.117+0xb7/0x1bd [ 368.445012] mems_allowed=0 [ 368.446731] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.458813] ? lock_downgrade+0x900/0x900 [ 368.462988] ? trace_hardirqs_off+0xb8/0x310 [ 368.467418] ? trace_hardirqs_off+0xb8/0x310 [ 368.471848] __alloc_pages_slowpath+0x2660/0x2d70 [ 368.476743] ? warn_alloc+0x120/0x120 [ 368.480557] ? warn_alloc+0x120/0x120 [ 368.484366] ? print_usage_bug+0xc0/0xc0 [ 368.488435] ? warn_alloc+0x120/0x120 [ 368.492254] ? print_usage_bug+0xc0/0xc0 [ 368.496348] ? __lock_acquire+0x62f/0x4c20 [ 368.500593] ? __lock_acquire+0x62f/0x4c20 [ 368.504837] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.510387] ? should_fail+0x22d/0xd01 [ 368.514306] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.519444] ? __lock_acquire+0x62f/0x4c20 [ 368.523692] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.528800] ? __lock_acquire+0x62f/0x4c20 [ 368.533046] ? should_fail+0x22d/0xd01 [ 368.536951] ? find_held_lock+0x36/0x1c0 [ 368.541033] ? mark_held_locks+0x130/0x130 [ 368.545290] ? mark_held_locks+0x130/0x130 [ 368.549537] ? zap_class+0x640/0x640 [ 368.553262] ? zap_class+0x640/0x640 [ 368.557000] ? print_usage_bug+0xc0/0xc0 [ 368.561066] ? do_raw_spin_unlock+0xa7/0x330 [ 368.565481] ? zap_class+0x640/0x640 [ 368.569216] ? print_usage_bug+0xc0/0xc0 [ 368.573294] ? wq_watchdog_touch+0x9c/0xfe [ 368.577542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.583084] ? check_preemption_disabled+0x48/0x280 [ 368.588120] ? __lock_is_held+0xb5/0x140 [ 368.592206] __alloc_pages_nodemask+0xa80/0xde0 [ 368.596891] ? zap_class+0x640/0x640 [ 368.600622] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 368.605656] ? find_held_lock+0x36/0x1c0 [ 368.609746] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.614433] ? lock_downgrade+0x900/0x900 [ 368.618611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.624182] cache_grow_begin+0xa5/0x8c0 [ 368.628259] ? do_raw_spin_unlock+0xa7/0x330 [ 368.632697] fallback_alloc+0x204/0x2e0 [ 368.636686] ____cache_alloc_node+0x1c7/0x1e0 [ 368.641199] kmem_cache_alloc_node+0xe3/0x730 [ 368.645717] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.649978] __alloc_skb+0x119/0x770 [ 368.653724] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.659014] ? netdev_alloc_frag+0x1f0/0x1f0 [ 368.663428] ? lock_downgrade+0x900/0x900 [ 368.667603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.673166] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.678634] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.684093] ? addrconf_rs_timer+0x690/0x690 [ 368.688520] ndisc_alloc_skb+0x144/0x340 [ 368.692608] ndisc_send_rs+0x331/0x6e0 [ 368.696519] addrconf_rs_timer+0x314/0x690 [ 368.700768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.705023] call_timer_fn+0x272/0x920 [ 368.708915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.713164] ? process_timeout+0x40/0x40 [ 368.717267] ? __run_timers+0x7da/0xc70 [ 368.721269] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.725782] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.730280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.734553] ? lockdep_hardirqs_on+0x296/0x5b0 [ 368.739148] ? trace_hardirqs_on+0xbd/0x310 [ 368.743477] ? kasan_check_read+0x11/0x20 [ 368.747636] ? __run_timers+0x7da/0xc70 [ 368.751626] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.756763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.761014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.765256] __run_timers+0x7e5/0xc70 [ 368.769095] ? timer_fixup_init+0x70/0x70 [ 368.773268] ? compat_start_thread+0x80/0x80 [ 368.777702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.783266] ? _raw_spin_unlock_irq+0x60/0x80 [ 368.787783] ? finish_task_switch+0x1f4/0x910 [ 368.792299] ? finish_task_switch+0x1b4/0x910 [ 368.796821] ? __switch_to_asm+0x34/0x70 [ 368.800897] ? preempt_notifier_register+0x200/0x200 [ 368.806011] ? __switch_to_asm+0x34/0x70 [ 368.810079] ? __switch_to_asm+0x40/0x70 [ 368.814144] ? __switch_to_asm+0x34/0x70 [ 368.818208] ? __switch_to_asm+0x40/0x70 [ 368.822291] ? __switch_to_asm+0x34/0x70 [ 368.826366] ? __switch_to_asm+0x40/0x70 [ 368.830443] ? __switch_to_asm+0x40/0x70 [ 368.834521] ? pvclock_read_flags+0x160/0x160 [ 368.839043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.844591] ? check_preemption_disabled+0x48/0x280 [ 368.849642] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 368.855196] ? rcu_pm_notify+0xc0/0xc0 [ 368.859090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.864640] ? check_preemption_disabled+0x48/0x280 [ 368.869681] run_timer_softirq+0x52/0xb0 [ 368.873760] ? rcu_read_lock_sched_held+0x14f/0x180 [ 368.878789] __do_softirq+0x308/0xb7e [ 368.882604] ? retint_kernel+0x2d/0x2d [ 368.886510] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 368.891622] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.897089] ? schedule+0x108/0x460 [ 368.900729] ? __schedule+0x21d0/0x21d0 [ 368.904723] ? trace_hardirqs_off+0xb8/0x310 [ 368.909146] ? smpboot_thread_fn+0x68b/0xa00 [ 368.913565] ? trace_hardirqs_on+0x310/0x310 [ 368.917980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.923538] ? check_preemption_disabled+0x48/0x280 [ 368.928575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.934121] ? takeover_tasklets+0xa90/0xa90 [ 368.938540] run_ksoftirqd+0x5e/0x100 [ 368.942355] smpboot_thread_fn+0x68b/0xa00 [ 368.946608] ? sort_range+0x30/0x30 [ 368.950253] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.955372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.960925] ? __kthread_parkme+0xfb/0x1a0 [ 368.965180] kthread+0x35a/0x420 [ 368.968556] ? sort_range+0x30/0x30 [ 368.972188] ? kthread_stop+0x900/0x900 [ 368.976185] ret_from_fork+0x3a/0x50 [ 368.979920] warn_alloc_show_mem: 1 callbacks suppressed [ 368.979933] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 368.979935] Mem-Info: [ 368.979966] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 368.979966] active_file:13 inactive_file:12 isolated_file:0 [ 368.979966] unevictable:0 dirty:0 writeback:0 unstable:0 [ 368.979966] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 368.979966] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 368.979966] free:13679 free_pcp:387 free_cma:0 [ 368.985316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.985332] Call Trace: [ 368.992015] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.994418] [ 369.027332] Node 0 [ 369.036700] dump_stack+0x244/0x39d [ 369.039298] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 369.066792] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.068919] lowmem_reserve[]: [ 369.071166] warn_alloc.cold.117+0xb7/0x1bd [ 369.074765] 0 2818 [ 369.100316] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.105500] 6321 [ 369.108616] ? lock_downgrade+0x900/0x900 [ 369.112911] 6321 [ 369.115164] ? trace_hardirqs_off+0xb8/0x310 [ 369.119981] Node 0 [ 369.122046] ? trace_hardirqs_off+0xb8/0x310 [ 369.126200] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 369.128250] __alloc_pages_slowpath+0x2660/0x2d70 [ 369.132626] lowmem_reserve[]: 0 [ 369.134917] ? warn_alloc+0x120/0x120 [ 369.139296] 0 3503 [ 369.166312] ? warn_alloc+0x120/0x120 [ 369.171139] 3503 [ 369.174422] ? print_usage_bug+0xc0/0xc0 [ 369.178208] Node 0 [ 369.180448] ? warn_alloc+0x120/0x120 [ 369.184251] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 369.186301] ? print_usage_bug+0xc0/0xc0 [ 369.190334] lowmem_reserve[]: 0 [ 369.192583] ? __lock_acquire+0x62f/0x4c20 [ 369.196366] 0 [ 369.224751] ? __lock_acquire+0x62f/0x4c20 [ 369.228790] 0 [ 369.232072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.236294] 0 [ 369.238099] ? should_fail+0x22d/0xd01 [ 369.244127] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.249642] Node 0 [ 369.251447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.255315] DMA: 1*4kB [ 369.260606] ? __lock_acquire+0x62f/0x4c20 [ 369.262824] (U) [ 369.267937] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.270504] 0*8kB [ 369.274733] ? __lock_acquire+0x62f/0x4c20 [ 369.276693] 0*16kB [ 369.281800] ? should_fail+0x22d/0xd01 [ 369.281821] ? rcu_irq_exit+0x1a2/0x390 [ 369.283966] 1*32kB (U) [ 369.288219] ? mark_held_locks+0x130/0x130 [ 369.290431] 2*64kB [ 369.294325] ? mark_held_locks+0x130/0x130 [ 369.298289] (U) [ 369.300878] ? mark_held_locks+0xc7/0x130 [ 369.305097] 1*128kB [ 369.307332] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 369.311551] (U) [ 369.313531] ? zap_class+0x640/0x640 [ 369.317666] 1*256kB [ 369.319993] ? print_usage_bug+0xc0/0xc0 [ 369.324991] (U) 0*512kB [ 369.326985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.330673] 1*1024kB (U) [ 369.333012] ? check_preemption_disabled+0x48/0x280 [ 369.337068] 1*2048kB (M) [ 369.339758] ? __lock_is_held+0xb5/0x140 [ 369.345272] 3*4096kB (M) [ 369.348061] __alloc_pages_nodemask+0xa80/0xde0 [ 369.353050] = 15908kB [ 369.355806] ? zap_class+0x640/0x640 [ 369.359850] Node 0 [ 369.362614] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 369.367257] DMA32: 5*4kB [ 369.369714] ? find_held_lock+0x36/0x1c0 [ 369.373408] (M) [ 369.375656] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.380647] 1*8kB [ 369.383406] ? lock_downgrade+0x900/0x900 [ 369.387446] (U) [ 369.389432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.394076] 4*16kB (M) [ 369.396250] cache_grow_begin+0xa5/0x8c0 [ 369.400372] 2*32kB [ 369.402348] ? do_raw_spin_unlock+0xa7/0x330 [ 369.407864] (M) [ 369.410460] fallback_alloc+0x204/0x2e0 [ 369.414496] 4*64kB [ 369.416739] ____cache_alloc_node+0x1c7/0x1e0 [ 369.421125] (UM) [ 369.423107] kmem_cache_alloc_node+0xe3/0x730 [ 369.427054] 3*128kB [ 369.429306] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.433778] (M) [ 369.435852] __alloc_skb+0x119/0x770 [ 369.440315] 4*256kB (UM) [ 369.442663] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.446874] 3*512kB (M) [ 369.448875] ? netdev_alloc_frag+0x1f0/0x1f0 [ 369.452561] 3*1024kB [ 369.455328] ? lock_downgrade+0x900/0x900 [ 369.460590] (UM) [ 369.463295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.467985] 3*2048kB (UM) [ 369.470435] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.474551] 3*4096kB (M) [ 369.476630] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.482146] = 24860kB [ 369.484989] ? addrconf_rs_timer+0x690/0x690 [ 369.490431] Node 0 [ 369.493210] ndisc_alloc_skb+0x144/0x340 [ 369.498623] Normal: 767*4kB [ 369.501055] ndisc_send_rs+0x331/0x6e0 [ 369.505438] (UME) [ 369.507693] addrconf_rs_timer+0x314/0x690 [ 369.511730] 454*8kB [ 369.514746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.518625] (ME) 185*16kB [ 369.520804] call_timer_fn+0x272/0x920 [ 369.525000] (UME) 80*32kB [ 369.527348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.531562] (UME) [ 369.534416] ? process_timeout+0x40/0x40 [ 369.538281] 22*64kB [ 369.541136] ? mark_held_locks+0xc7/0x130 [ 369.545351] (M) 1*128kB [ 369.547530] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.551562] (U) 1*256kB [ 369.553919] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.558042] (U) 0*512kB [ 369.560723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.565199] 0*1024kB 0*2048kB [ 369.567890] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.572362] 0*4096kB = 14012kB [ 369.575053] ? trace_hardirqs_on+0xbd/0x310 [ 369.579270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 369.582466] ? kasan_check_read+0x11/0x20 [ 369.587028] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 369.587037] 163 total pagecache pages [ 369.590238] ? __run_timers+0x7da/0xc70 [ 369.594542] 0 pages in swap cache [ 369.603391] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.607520] Swap cache stats: add 0, delete 0, find 0/0 [ 369.607530] Free swap = 0kB [ 369.616115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.619887] Total swap = 0kB [ 369.619897] 1965979 pages RAM [ 369.623891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.627331] 0 pages HighMem/MovableOnly [ 369.632432] __run_timers+0x7e5/0xc70 [ 369.637770] 342867 pages reserved [ 369.637779] 0 pages cma reserved [ 369.640811] ? timer_fixup_init+0x70/0x70 [ 369.645096] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.648050] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.648065] ? zap_class+0x640/0x640 [ 369.648082] ? print_usage_bug+0xc0/0xc0 [ 369.648100] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.651254] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.655461] ? find_held_lock+0x36/0x1c0 [ 369.659410] ksoftirqd/0 cpuset= [ 369.663220] ? zap_class+0x640/0x640 [ 369.666648] / [ 369.670018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.674145] mems_allowed=0 [ 369.730084] ? check_preemption_disabled+0x48/0x280 [ 369.735117] ? __lock_is_held+0xb5/0x140 [ 369.739191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.744738] ? check_preemption_disabled+0x48/0x280 [ 369.749773] run_timer_softirq+0x52/0xb0 [ 369.753844] ? rcu_read_lock_sched_held+0x14f/0x180 [ 369.758875] __do_softirq+0x308/0xb7e [ 369.762685] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 369.767185] ? lock_downgrade+0x900/0x900 [ 369.771344] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 369.776481] ? pvclock_read_flags+0x160/0x160 [ 369.780994] ? lapic_next_event+0x5a/0x90 [ 369.785151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.790702] ? kvm_clock_read+0x18/0x30 [ 369.794677] ? kvm_sched_clock_read+0x9/0x20 [ 369.799108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.804658] ? check_preemption_disabled+0x48/0x280 [ 369.809690] irq_exit+0x17f/0x1c0 [ 369.813152] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.818004] ? smp_reschedule_interrupt+0x109/0x650 [ 369.823028] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.828930] ? interrupt_entry+0xb5/0xc0 [ 369.833011] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.838039] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.843067] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.847915] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.852945] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.857985] ? task_prio+0x50/0x50 [ 369.861535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.867079] ? check_preemption_disabled+0x48/0x280 [ 369.872107] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.876981] apic_timer_interrupt+0xf/0x20 [ 369.881219] [ 369.883461] RIP: 0010:dump_stack+0x358/0x39d [ 369.887874] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 369.906788] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 369.914522] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 369.921797] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 369.929081] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 369.936363] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 369.943634] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 369.950956] ? dump_stack+0x34f/0x39d [ 369.954795] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.960011] dump_header+0x27b/0xf72 [ 369.963738] ? mark_held_locks+0x130/0x130 [ 369.967977] ? pagefault_out_of_memory+0x197/0x197 [ 369.972928] ? __lock_acquire+0x62f/0x4c20 [ 369.977167] ? zap_class+0x640/0x640 [ 369.980896] ? percpu_ref_get_many+0x240/0x240 [ 369.985491] ? print_usage_bug+0xc0/0xc0 [ 369.989557] ? print_usage_bug+0xc0/0xc0 [ 369.993633] ? zap_class+0x640/0x640 [ 369.997352] ? print_usage_bug+0xc0/0xc0 [ 370.001416] ? print_usage_bug+0xc0/0xc0 [ 370.005499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.011049] ? find_held_lock+0x36/0x1c0 [ 370.015128] ? mark_held_locks+0xc7/0x130 [ 370.019292] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.024407] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.029535] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 370.034128] ? trace_hardirqs_on+0xbd/0x310 [ 370.038455] ? kasan_check_read+0x11/0x20 [ 370.042608] ? ___ratelimit+0x3b4/0x672 [ 370.046590] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.051710] ? trace_hardirqs_on+0x310/0x310 [ 370.056135] ? lock_downgrade+0x900/0x900 [ 370.060304] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.065415] ? ___ratelimit+0x3b9/0x672 [ 370.069404] ? idr_get_free+0xec0/0xec0 [ 370.073386] ? find_held_lock+0x36/0x1c0 [ 370.077462] oom_kill_process.cold.27+0x10/0x903 [ 370.082233] ? zap_class+0x640/0x640 [ 370.085952] ? check_preemption_disabled+0x48/0x280 [ 370.090995] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.095933] ? kasan_check_read+0x11/0x20 [ 370.100088] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.105390] ? oom_evaluate_task+0x540/0x540 [ 370.109814] ? find_held_lock+0x36/0x1c0 [ 370.113893] ? out_of_memory+0x974/0x1430 [ 370.118048] ? lock_downgrade+0x900/0x900 [ 370.122199] ? check_preemption_disabled+0x48/0x280 [ 370.127232] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.132177] ? kasan_check_read+0x11/0x20 [ 370.136338] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.141623] ? rcu_softirq_qs+0x20/0x20 [ 370.145610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.151158] ? oom_evaluate_task+0x302/0x540 [ 370.155581] out_of_memory+0xa84/0x1430 [ 370.159569] ? oom_killer_disable+0x3a0/0x3a0 [ 370.164071] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 370.169018] ? __mutex_add_waiter+0x2a0/0x2a0 [ 370.173534] __alloc_pages_slowpath+0x22d4/0x2d70 [ 370.178412] ? warn_alloc+0x120/0x120 [ 370.182230] ? rcu_softirq_qs+0x20/0x20 [ 370.186247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.191799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.197347] ? should_fail+0x22d/0xd01 [ 370.201247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.206382] ? zap_class+0x640/0x640 [ 370.210134] ? __lock_is_held+0xb5/0x140 [ 370.214211] ? mark_held_locks+0x130/0x130 [ 370.218455] ? lock_release+0xa00/0xa00 [ 370.222439] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.227907] ? __might_sleep+0x95/0x190 [ 370.231900] __alloc_pages_nodemask+0xa80/0xde0 [ 370.236587] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 370.241613] ? __page_cache_alloc+0x191/0x5c0 [ 370.246113] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.251048] ? kasan_check_read+0x11/0x20 [ 370.255205] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.260508] ? zap_class+0x640/0x640 [ 370.264236] ? zap_class+0x640/0x640 [ 370.267950] ? zap_class+0x640/0x640 [ 370.271667] ? __do_page_cache_readahead+0x7ce/0x980 [ 370.276778] ? find_held_lock+0x36/0x1c0 [ 370.280866] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 370.286440] alloc_pages_current+0x173/0x350 [ 370.290876] __page_cache_alloc+0x38c/0x5c0 [ 370.295205] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.300147] ? kasan_check_read+0x11/0x20 [ 370.304315] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.309613] ? generic_perform_write+0x6a0/0x6a0 [ 370.314382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.319950] ? check_preemption_disabled+0x48/0x280 [ 370.324982] filemap_fault+0x1594/0x25f0 [ 370.329059] ? __lock_page_or_retry+0xa00/0xa00 [ 370.333764] ? mark_held_locks+0x130/0x130 [ 370.338021] ? rcu_softirq_qs+0x20/0x20 [ 370.342015] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.347124] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 370.351715] ? trace_hardirqs_on+0xbd/0x310 [ 370.356272] ? filemap_map_pages+0xe04/0x1990 [ 370.360812] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.365930] ? __free_object+0x173/0x340 [ 370.370011] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 370.374945] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.380069] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 370.384770] ? debug_object_free+0x32d/0x690 [ 370.389186] ? kasan_check_read+0x11/0x20 [ 370.393345] ? debug_object_destroy+0x2b0/0x2b0 [ 370.398032] ? lock_pi_update_atomic+0x150/0x150 [ 370.402796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.408345] ? __hrtimer_init+0xdb/0x240 [ 370.412432] ? lock_acquire+0x1ed/0x520 [ 370.416414] ? ext4_filemap_fault+0x7a/0xad [ 370.420755] ? lock_release+0xa00/0xa00 [ 370.424732] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.430189] ? print_usage_bug+0xc0/0xc0 [ 370.434266] ? print_usage_bug+0xc0/0xc0 [ 370.438378] ? down_read+0x8d/0x120 [ 370.442012] ? ext4_filemap_fault+0x7a/0xad [ 370.446335] ? __down_interruptible+0x700/0x700 [ 370.451018] ext4_filemap_fault+0x82/0xad [ 370.455178] __do_fault+0x100/0x6b0 [ 370.458820] ? pmd_devmap_trans_unstable+0x220/0x220 [ 370.463957] ? mark_held_locks+0x130/0x130 [ 370.468200] ? mark_held_locks+0x130/0x130 [ 370.472446] ? debug_smp_processor_id+0x1c/0x20 [ 370.477130] ? perf_trace_lock+0x14d/0x7a0 [ 370.481382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.486940] __handle_mm_fault+0x307c/0x5920 [ 370.491354] ? perf_trace_lock+0x7a0/0x7a0 [ 370.495609] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 370.500464] ? lock_is_held_type+0x210/0x210 [ 370.504885] ? ksys_dup3+0x680/0x680 [ 370.508613] ? zap_class+0x640/0x640 [ 370.512341] ? zap_class+0x640/0x640 [ 370.516072] ? __x64_sys_futex+0x53e/0x6a0 [ 370.520326] ? find_held_lock+0x36/0x1c0 [ 370.524403] ? handle_mm_fault+0x42a/0xc70 [ 370.528644] ? lock_downgrade+0x900/0x900 [ 370.532795] ? check_preemption_disabled+0x48/0x280 [ 370.537847] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.542786] ? kasan_check_read+0x11/0x20 [ 370.546944] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.552225] ? rcu_softirq_qs+0x20/0x20 [ 370.556215] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.561331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.566887] ? check_preemption_disabled+0x48/0x280 [ 370.571922] handle_mm_fault+0x54f/0xc70 [ 370.576001] ? __handle_mm_fault+0x5920/0x5920 [ 370.580609] ? find_vma+0x34/0x190 [ 370.584159] __do_page_fault+0x5e8/0xe60 [ 370.588227] ? trace_hardirqs_off+0xb8/0x310 [ 370.592649] ? kernel_write+0x120/0x120 [ 370.596658] do_page_fault+0xf2/0x7e0 [ 370.600483] ? vmalloc_sync_all+0x30/0x30 [ 370.604636] ? error_entry+0x70/0xd0 [ 370.608361] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.613400] ? trace_hardirqs_on_caller+0xc0/0x310 [ 370.618341] ? syscall_return_slowpath+0x5e0/0x5e0 [ 370.623277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.628137] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.633166] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.638639] ? prepare_exit_to_usermode+0x291/0x3b0 [ 370.643671] ? page_fault+0x8/0x30 [ 370.647230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.652082] ? page_fault+0x8/0x30 [ 370.655633] page_fault+0x1e/0x30 [ 370.659089] RIP: 0033:0x45ddf3 [ 370.662306] Code: Bad RIP value. [ 370.665675] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 370.671046] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 370.678326] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 370.685597] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 370.692887] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 370.700162] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 370.707461] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 370.707526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.713983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.713994] Call Trace: [ 370.720614] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.729887] dump_stack+0x244/0x39d [ 370.732461] syz-fuzzer cpuset= [ 370.742702] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.746316] / [ 370.749527] warn_alloc.cold.117+0xb7/0x1bd [ 370.754685] mems_allowed=0 [ 370.763650] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.768525] ? lock_downgrade+0x900/0x900 [ 370.772703] ? trace_hardirqs_off+0xb8/0x310 [ 370.777137] ? trace_hardirqs_off+0xb8/0x310 [ 370.781564] __alloc_pages_slowpath+0x2660/0x2d70 [ 370.786448] ? warn_alloc+0x120/0x120 [ 370.790264] ? warn_alloc+0x120/0x120 [ 370.794087] ? print_usage_bug+0xc0/0xc0 [ 370.798157] ? warn_alloc+0x120/0x120 [ 370.801964] ? print_usage_bug+0xc0/0xc0 [ 370.806031] ? __lock_acquire+0x62f/0x4c20 [ 370.810278] ? __lock_acquire+0x62f/0x4c20 [ 370.814537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.820077] ? should_fail+0x22d/0xd01 [ 370.823974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.829086] ? __lock_acquire+0x62f/0x4c20 [ 370.833339] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.838445] ? __lock_acquire+0x62f/0x4c20 [ 370.842876] ? should_fail+0x22d/0xd01 [ 370.846774] ? find_held_lock+0x36/0x1c0 [ 370.850849] ? mark_held_locks+0x130/0x130 [ 370.855094] ? mark_held_locks+0x130/0x130 [ 370.859340] ? zap_class+0x640/0x640 [ 370.863077] ? zap_class+0x640/0x640 [ 370.866797] ? print_usage_bug+0xc0/0xc0 [ 370.870860] ? do_raw_spin_unlock+0xa7/0x330 [ 370.875271] ? zap_class+0x640/0x640 [ 370.878996] ? print_usage_bug+0xc0/0xc0 [ 370.883061] ? wq_watchdog_touch+0x9c/0xfe [ 370.887312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.892860] ? check_preemption_disabled+0x48/0x280 [ 370.897888] ? __lock_is_held+0xb5/0x140 [ 370.901976] __alloc_pages_nodemask+0xa80/0xde0 [ 370.906665] ? zap_class+0x640/0x640 [ 370.910387] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 370.915417] ? find_held_lock+0x36/0x1c0 [ 370.919495] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.924168] ? lock_downgrade+0x900/0x900 [ 370.928338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.933886] cache_grow_begin+0xa5/0x8c0 [ 370.937965] ? do_raw_spin_unlock+0xa7/0x330 [ 370.942386] fallback_alloc+0x204/0x2e0 [ 370.946371] ____cache_alloc_node+0x1c7/0x1e0 [ 370.950876] kmem_cache_alloc_node+0xe3/0x730 [ 370.955390] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.959638] __alloc_skb+0x119/0x770 [ 370.963365] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.968649] ? netdev_alloc_frag+0x1f0/0x1f0 [ 370.973077] ? lock_downgrade+0x900/0x900 [ 370.977239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.982788] ? refcount_sub_and_test_checked+0x203/0x310 [ 370.988275] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 370.993763] ? addrconf_rs_timer+0x690/0x690 [ 370.998191] ndisc_alloc_skb+0x144/0x340 [ 371.002264] ndisc_send_rs+0x331/0x6e0 [ 371.006171] addrconf_rs_timer+0x314/0x690 [ 371.010420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.014675] call_timer_fn+0x272/0x920 [ 371.018578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.022842] ? process_timeout+0x40/0x40 [ 371.026921] ? __run_timers+0x7da/0xc70 [ 371.030916] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.035415] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.039910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.044148] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.048744] ? trace_hardirqs_on+0xbd/0x310 [ 371.053070] ? kasan_check_read+0x11/0x20 [ 371.057226] ? __run_timers+0x7da/0xc70 [ 371.061208] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.066340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.070605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.074844] __run_timers+0x7e5/0xc70 [ 371.078668] ? timer_fixup_init+0x70/0x70 [ 371.082822] ? compat_start_thread+0x80/0x80 [ 371.087241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.092786] ? _raw_spin_unlock_irq+0x60/0x80 [ 371.097303] ? finish_task_switch+0x1f4/0x910 [ 371.101809] ? finish_task_switch+0x1b4/0x910 [ 371.106315] ? __switch_to_asm+0x34/0x70 [ 371.110393] ? preempt_notifier_register+0x200/0x200 [ 371.115507] ? __switch_to_asm+0x34/0x70 [ 371.119569] ? __switch_to_asm+0x40/0x70 [ 371.123633] ? __switch_to_asm+0x34/0x70 [ 371.127699] ? __switch_to_asm+0x40/0x70 [ 371.131780] ? __switch_to_asm+0x34/0x70 [ 371.135846] ? __switch_to_asm+0x40/0x70 [ 371.139912] ? __switch_to_asm+0x40/0x70 [ 371.143994] ? pvclock_read_flags+0x160/0x160 [ 371.148502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.154041] ? check_preemption_disabled+0x48/0x280 [ 371.159091] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 371.164641] ? rcu_pm_notify+0xc0/0xc0 [ 371.168536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.174081] ? check_preemption_disabled+0x48/0x280 [ 371.179118] run_timer_softirq+0x52/0xb0 [ 371.183195] ? rcu_read_lock_sched_held+0x14f/0x180 [ 371.188233] __do_softirq+0x308/0xb7e [ 371.192054] ? retint_kernel+0x2d/0x2d [ 371.195952] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 371.201060] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.206524] ? schedule+0x108/0x460 [ 371.210164] ? __schedule+0x21d0/0x21d0 [ 371.214153] ? trace_hardirqs_off+0xb8/0x310 [ 371.218568] ? smpboot_thread_fn+0x68b/0xa00 [ 371.223001] ? trace_hardirqs_on+0x310/0x310 [ 371.227424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.232987] ? check_preemption_disabled+0x48/0x280 [ 371.238019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.243588] ? takeover_tasklets+0xa90/0xa90 [ 371.248007] run_ksoftirqd+0x5e/0x100 [ 371.251817] smpboot_thread_fn+0x68b/0xa00 [ 371.256063] ? sort_range+0x30/0x30 [ 371.259701] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 371.264815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.270361] ? __kthread_parkme+0xfb/0x1a0 [ 371.274614] kthread+0x35a/0x420 [ 371.277990] ? sort_range+0x30/0x30 [ 371.281626] ? kthread_stop+0x900/0x900 [ 371.285610] ret_from_fork+0x3a/0x50 [ 371.289346] warn_alloc_show_mem: 1 callbacks suppressed [ 371.289359] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 371.289360] Mem-Info: [ 371.289393] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 371.289393] active_file:13 inactive_file:12 isolated_file:0 [ 371.289393] unevictable:0 dirty:0 writeback:0 unstable:0 [ 371.289393] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 371.289393] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 371.289393] free:13679 free_pcp:387 free_cma:0 [ 371.294742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.301419] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 371.303823] Call Trace: [ 371.336705] Node 0 [ 371.346073] [ 371.373600] 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 [ 371.376182] dump_stack+0x244/0x39d [ 371.378397] lowmem_reserve[]: [ 371.380557] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.406041] 0 2818 [ 371.409704] warn_alloc.cold.117+0xb7/0x1bd [ 371.412776] 6321 [ 371.417965] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.420179] 6321 [ 371.424500] ? lock_downgrade+0x900/0x900 [ 371.431387] ? trace_hardirqs_off+0xb8/0x310 [ 371.433426] Node 0 [ 371.437574] ? trace_hardirqs_off+0xb8/0x310 [ 371.441987] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 371.444203] __alloc_pages_slowpath+0x2660/0x2d70 [ 371.448583] lowmem_reserve[]: 0 [ 371.476078] ? warn_alloc+0x120/0x120 [ 371.480873] 0 3503 [ 371.484164] ? warn_alloc+0x120/0x120 [ 371.487943] 3503 [ 371.490181] ? print_usage_bug+0xc0/0xc0 [ 371.496024] ? warn_alloc+0x120/0x120 [ 371.500067] Node 0 [ 371.503864] ? print_usage_bug+0xc0/0xc0 [ 371.503895] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 371.503903] lowmem_reserve[]: [ 371.506139] ? __lock_acquire+0x62f/0x4c20 [ 371.510178] 0 [ 371.538565] ? __lock_acquire+0x62f/0x4c20 [ 371.541650] 0 [ 371.545888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.547674] 0 [ 371.551915] ? should_fail+0x22d/0xd01 [ 371.553693] 0 [ 371.559229] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.559247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.561032] Node 0 [ 371.564927] ? __lock_acquire+0x62f/0x4c20 [ 371.566710] DMA: [ 371.571984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.577066] 1*4kB [ 371.579313] ? __lock_acquire+0x62f/0x4c20 [ 371.583528] (U) [ 371.585594] ? should_fail+0x22d/0xd01 [ 371.590673] 0*8kB 0*16kB [ 371.592846] ? rcu_irq_exit+0x1a2/0x390 [ 371.597053] 1*32kB (U) [ 371.599073] ? mark_held_locks+0x130/0x130 [ 371.602927] 2*64kB (U) [ 371.605695] ? mark_held_locks+0x130/0x130 [ 371.609644] 1*128kB (U) [ 371.612247] ? mark_held_locks+0xc7/0x130 [ 371.616453] 1*256kB (U) [ 371.619049] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 371.623257] 0*512kB 1*1024kB [ 371.625964] ? zap_class+0x640/0x640 [ 371.630086] (U) 1*2048kB [ 371.632781] ? print_usage_bug+0xc0/0xc0 [ 371.637776] (M) [ 371.640885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.644574] 3*4096kB (M) [ 371.647351] ? check_preemption_disabled+0x48/0x280 [ 371.651388] = 15908kB [ 371.653371] ? __lock_is_held+0xb5/0x140 [ 371.658875] Node 0 DMA32: [ 371.661657] __alloc_pages_nodemask+0xa80/0xde0 [ 371.666650] 5*4kB [ 371.669059] ? zap_class+0x640/0x640 [ 371.673095] (M) [ 371.675949] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 371.680594] 1*8kB [ 371.682752] ? find_held_lock+0x36/0x1c0 [ 371.686438] (U) [ 371.688421] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.693424] 4*16kB (M) [ 371.695586] ? lock_downgrade+0x900/0x900 [ 371.699626] 2*32kB [ 371.701606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.706244] (M) 4*64kB [ 371.708862] cache_grow_begin+0xa5/0x8c0 [ 371.712997] (UM) 3*128kB [ 371.715243] ? do_raw_spin_unlock+0xa7/0x330 [ 371.720758] (M) 4*256kB [ 371.723369] fallback_alloc+0x204/0x2e0 [ 371.727401] (UM) [ 371.730166] ____cache_alloc_node+0x1c7/0x1e0 [ 371.734562] 3*512kB (M) [ 371.737255] kmem_cache_alloc_node+0xe3/0x730 [ 371.741196] 3*1024kB (UM) [ 371.743272] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.747757] 3*2048kB [ 371.750437] __alloc_skb+0x119/0x770 [ 371.754903] (UM) 3*4096kB [ 371.757767] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.761973] (M) [ 371.764386] ? netdev_alloc_frag+0x1f0/0x1f0 [ 371.768094] = 24860kB [ 371.770938] ? lock_downgrade+0x900/0x900 [ 371.776195] Node 0 [ 371.778176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.782559] Normal: [ 371.784972] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.789097] 767*4kB [ 371.791337] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.796858] (UME) [ 371.799183] ? addrconf_rs_timer+0x690/0x690 [ 371.804620] 454*8kB [ 371.806947] ndisc_alloc_skb+0x144/0x340 [ 371.812366] (ME) 185*16kB [ 371.814531] ndisc_send_rs+0x331/0x6e0 [ 371.819265] (UME) [ 371.821599] addrconf_rs_timer+0x314/0x690 [ 371.825646] 80*32kB (UME) [ 371.828505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.832374] 22*64kB [ 371.834533] call_timer_fn+0x272/0x920 [ 371.838731] (M) 1*128kB [ 371.841584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.845796] (U) [ 371.848122] ? process_timeout+0x40/0x40 [ 371.851989] 1*256kB [ 371.854669] ? mark_held_locks+0xc7/0x130 [ 371.858879] (U) [ 371.860860] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.864900] 0*512kB [ 371.867235] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.871366] 0*1024kB [ 371.873336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.873354] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.877827] 0*2048kB 0*4096kB [ 371.880170] ? trace_hardirqs_on+0xbd/0x310 [ 371.884641] = 14012kB [ 371.884656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 371.887063] ? kasan_check_read+0x11/0x20 [ 371.891299] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 371.891309] 163 total pagecache pages [ 371.895904] ? __run_timers+0x7da/0xc70 [ 371.899072] 0 pages in swap cache [ 371.903387] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.905781] Swap cache stats: add 0, delete 0, find 0/0 [ 371.914612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.918743] Free swap = 0kB [ 371.927322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.931107] Total swap = 0kB [ 371.935081] __run_timers+0x7e5/0xc70 [ 371.938516] 1965979 pages RAM [ 371.943650] ? timer_fixup_init+0x70/0x70 [ 371.948984] 0 pages HighMem/MovableOnly [ 371.948994] 342867 pages reserved [ 371.953229] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.956231] 0 pages cma reserved [ 371.956331] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.960472] ? zap_class+0x640/0x640 [ 371.960491] ? print_usage_bug+0xc0/0xc0 [ 371.960508] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.963593] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.967331] ? find_held_lock+0x36/0x1c0 [ 371.970424] ksoftirqd/0 cpuset= [ 371.974585] ? zap_class+0x640/0x640 [ 371.978539] / [ 371.982007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.987006] mems_allowed=0 [ 371.990368] ? check_preemption_disabled+0x48/0x280 [ 372.046240] ? __lock_is_held+0xb5/0x140 [ 372.050314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.055862] ? check_preemption_disabled+0x48/0x280 [ 372.060890] run_timer_softirq+0x52/0xb0 [ 372.064972] ? rcu_read_lock_sched_held+0x14f/0x180 [ 372.069992] __do_softirq+0x308/0xb7e [ 372.073799] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 372.078312] ? lock_downgrade+0x900/0x900 [ 372.082468] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 372.087581] ? pvclock_read_flags+0x160/0x160 [ 372.092083] ? lapic_next_event+0x5a/0x90 [ 372.096236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.101780] ? kvm_clock_read+0x18/0x30 [ 372.105779] ? kvm_sched_clock_read+0x9/0x20 [ 372.110196] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.115745] ? check_preemption_disabled+0x48/0x280 [ 372.120779] irq_exit+0x17f/0x1c0 [ 372.124236] smp_apic_timer_interrupt+0x1cb/0x760 [ 372.129080] ? smp_reschedule_interrupt+0x109/0x650 [ 372.134098] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.139989] ? interrupt_entry+0xb5/0xc0 [ 372.144058] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.149078] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.154101] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.158946] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.163964] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.168984] ? task_prio+0x50/0x50 [ 372.172527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.178067] ? check_preemption_disabled+0x48/0x280 [ 372.183091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.187945] apic_timer_interrupt+0xf/0x20 [ 372.192173] [ 372.194431] RIP: 0010:dump_stack+0x358/0x39d [ 372.198850] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 372.217765] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 372.225479] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 372.232750] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 372.240020] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 372.247297] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 372.254569] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 372.261864] ? dump_stack+0x34f/0x39d [ 372.265683] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.270891] dump_header+0x27b/0xf72 [ 372.274620] ? mark_held_locks+0x130/0x130 [ 372.278863] ? pagefault_out_of_memory+0x197/0x197 [ 372.283800] ? __lock_acquire+0x62f/0x4c20 [ 372.288052] ? zap_class+0x640/0x640 [ 372.291788] ? percpu_ref_get_many+0x240/0x240 [ 372.296376] ? print_usage_bug+0xc0/0xc0 [ 372.300440] ? print_usage_bug+0xc0/0xc0 [ 372.304510] ? zap_class+0x640/0x640 [ 372.308229] ? print_usage_bug+0xc0/0xc0 [ 372.312301] ? print_usage_bug+0xc0/0xc0 [ 372.316374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.321924] ? find_held_lock+0x36/0x1c0 [ 372.326001] ? mark_held_locks+0xc7/0x130 [ 372.330177] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.335310] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.340423] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.345010] ? trace_hardirqs_on+0xbd/0x310 [ 372.349336] ? kasan_check_read+0x11/0x20 [ 372.353485] ? ___ratelimit+0x3b4/0x672 [ 372.357613] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.362724] ? trace_hardirqs_on+0x310/0x310 [ 372.367138] ? lock_downgrade+0x900/0x900 [ 372.371316] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.376425] ? ___ratelimit+0x3b9/0x672 [ 372.380405] ? idr_get_free+0xec0/0xec0 [ 372.384382] ? find_held_lock+0x36/0x1c0 [ 372.388456] oom_kill_process.cold.27+0x10/0x903 [ 372.393219] ? zap_class+0x640/0x640 [ 372.396939] ? check_preemption_disabled+0x48/0x280 [ 372.401968] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.406904] ? kasan_check_read+0x11/0x20 [ 372.411057] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.416341] ? oom_evaluate_task+0x540/0x540 [ 372.420760] ? find_held_lock+0x36/0x1c0 [ 372.424840] ? out_of_memory+0x974/0x1430 [ 372.429005] ? lock_downgrade+0x900/0x900 [ 372.433168] ? check_preemption_disabled+0x48/0x280 [ 372.438195] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.443130] ? kasan_check_read+0x11/0x20 [ 372.447303] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.452589] ? rcu_softirq_qs+0x20/0x20 [ 372.456578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.462113] ? oom_evaluate_task+0x302/0x540 [ 372.466545] out_of_memory+0xa84/0x1430 [ 372.470548] ? oom_killer_disable+0x3a0/0x3a0 [ 372.475060] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 372.479992] ? __mutex_add_waiter+0x2a0/0x2a0 [ 372.484507] __alloc_pages_slowpath+0x22d4/0x2d70 [ 372.489394] ? warn_alloc+0x120/0x120 [ 372.493197] ? rcu_softirq_qs+0x20/0x20 [ 372.497217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.502777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.508324] ? should_fail+0x22d/0xd01 [ 372.512216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.517325] ? zap_class+0x640/0x640 [ 372.521098] ? __lock_is_held+0xb5/0x140 [ 372.525174] ? mark_held_locks+0x130/0x130 [ 372.529414] ? lock_release+0xa00/0xa00 [ 372.533390] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.538857] ? __might_sleep+0x95/0x190 [ 372.542848] __alloc_pages_nodemask+0xa80/0xde0 [ 372.547528] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 372.552551] ? __page_cache_alloc+0x191/0x5c0 [ 372.557051] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.561982] ? kasan_check_read+0x11/0x20 [ 372.566136] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.571422] ? zap_class+0x640/0x640 [ 372.575145] ? zap_class+0x640/0x640 [ 372.578862] ? zap_class+0x640/0x640 [ 372.582580] ? __do_page_cache_readahead+0x7ce/0x980 [ 372.587707] ? find_held_lock+0x36/0x1c0 [ 372.591784] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 372.597333] alloc_pages_current+0x173/0x350 [ 372.601751] __page_cache_alloc+0x38c/0x5c0 [ 372.606076] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.611006] ? kasan_check_read+0x11/0x20 [ 372.615158] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.620446] ? generic_perform_write+0x6a0/0x6a0 [ 372.625221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.630764] ? check_preemption_disabled+0x48/0x280 [ 372.635792] filemap_fault+0x1594/0x25f0 [ 372.639879] ? __lock_page_or_retry+0xa00/0xa00 [ 372.644558] ? mark_held_locks+0x130/0x130 [ 372.648798] ? rcu_softirq_qs+0x20/0x20 [ 372.652781] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.657889] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.662480] ? trace_hardirqs_on+0xbd/0x310 [ 372.666811] ? filemap_map_pages+0xe04/0x1990 [ 372.671336] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.676447] ? __free_object+0x173/0x340 [ 372.680532] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 372.685468] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.690600] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 372.695294] ? debug_object_free+0x32d/0x690 [ 372.699712] ? kasan_check_read+0x11/0x20 [ 372.703867] ? debug_object_destroy+0x2b0/0x2b0 [ 372.708543] ? lock_pi_update_atomic+0x150/0x150 [ 372.713308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.718854] ? __hrtimer_init+0xdb/0x240 [ 372.722933] ? lock_acquire+0x1ed/0x520 [ 372.726909] ? ext4_filemap_fault+0x7a/0xad [ 372.731259] ? lock_release+0xa00/0xa00 [ 372.735248] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.740712] ? print_usage_bug+0xc0/0xc0 [ 372.744776] ? print_usage_bug+0xc0/0xc0 [ 372.748858] ? down_read+0x8d/0x120 [ 372.752500] ? ext4_filemap_fault+0x7a/0xad [ 372.756829] ? __down_interruptible+0x700/0x700 [ 372.761512] ext4_filemap_fault+0x82/0xad [ 372.765670] __do_fault+0x100/0x6b0 [ 372.769312] ? pmd_devmap_trans_unstable+0x220/0x220 [ 372.774429] ? mark_held_locks+0x130/0x130 [ 372.778692] ? mark_held_locks+0x130/0x130 [ 372.782932] ? debug_smp_processor_id+0x1c/0x20 [ 372.787604] ? perf_trace_lock+0x14d/0x7a0 [ 372.791854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.797401] __handle_mm_fault+0x307c/0x5920 [ 372.801809] ? perf_trace_lock+0x7a0/0x7a0 [ 372.806065] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 372.810910] ? lock_is_held_type+0x210/0x210 [ 372.815331] ? ksys_dup3+0x680/0x680 [ 372.819061] ? zap_class+0x640/0x640 [ 372.822778] ? zap_class+0x640/0x640 [ 372.826494] ? __x64_sys_futex+0x53e/0x6a0 [ 372.830753] ? find_held_lock+0x36/0x1c0 [ 372.834832] ? handle_mm_fault+0x42a/0xc70 [ 372.839072] ? lock_downgrade+0x900/0x900 [ 372.843220] ? check_preemption_disabled+0x48/0x280 [ 372.848249] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.853195] ? kasan_check_read+0x11/0x20 [ 372.857346] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.862646] ? rcu_softirq_qs+0x20/0x20 [ 372.866622] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.871736] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.877275] ? check_preemption_disabled+0x48/0x280 [ 372.882324] handle_mm_fault+0x54f/0xc70 [ 372.886395] ? __handle_mm_fault+0x5920/0x5920 [ 372.891005] ? find_vma+0x34/0x190 [ 372.894557] __do_page_fault+0x5e8/0xe60 [ 372.898619] ? trace_hardirqs_off+0xb8/0x310 [ 372.903030] ? kernel_write+0x120/0x120 [ 372.907018] do_page_fault+0xf2/0x7e0 [ 372.910833] ? vmalloc_sync_all+0x30/0x30 [ 372.914988] ? error_entry+0x70/0xd0 [ 372.918704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.923725] ? trace_hardirqs_on_caller+0xc0/0x310 [ 372.928686] ? syscall_return_slowpath+0x5e0/0x5e0 [ 372.933619] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.938483] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.943503] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.948972] ? prepare_exit_to_usermode+0x291/0x3b0 [ 372.953991] ? page_fault+0x8/0x30 [ 372.957539] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.962395] ? page_fault+0x8/0x30 [ 372.965940] page_fault+0x1e/0x30 [ 372.969394] RIP: 0033:0x45ddf3 [ 372.972600] Code: Bad RIP value. [ 372.975962] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 372.981326] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 372.988613] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 372.995883] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 373.003153] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 373.010423] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 373.017717] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 373.017783] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.024238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.024247] Call Trace: [ 373.030847] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.040106] dump_stack+0x244/0x39d [ 373.042672] syz-fuzzer cpuset= [ 373.052895] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.056519] / [ 373.059734] warn_alloc.cold.117+0xb7/0x1bd [ 373.064908] mems_allowed=0 [ 373.066623] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.078686] ? lock_downgrade+0x900/0x900 [ 373.082845] ? trace_hardirqs_off+0xb8/0x310 [ 373.087264] ? trace_hardirqs_off+0xb8/0x310 [ 373.091692] __alloc_pages_slowpath+0x2660/0x2d70 [ 373.096567] ? warn_alloc+0x120/0x120 [ 373.100378] ? warn_alloc+0x120/0x120 [ 373.104185] ? print_usage_bug+0xc0/0xc0 [ 373.108249] ? warn_alloc+0x120/0x120 [ 373.112067] ? print_usage_bug+0xc0/0xc0 [ 373.116134] ? __lock_acquire+0x62f/0x4c20 [ 373.120371] ? __lock_acquire+0x62f/0x4c20 [ 373.124612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.130148] ? should_fail+0x22d/0xd01 [ 373.134034] ? __lock_acquire+0x62f/0x4c20 [ 373.138274] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.143390] ? __lock_acquire+0x62f/0x4c20 [ 373.147650] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.152757] ? __lock_acquire+0x62f/0x4c20 [ 373.156991] ? should_fail+0x22d/0xd01 [ 373.160891] ? mark_held_locks+0x130/0x130 [ 373.165131] ? mark_held_locks+0x130/0x130 [ 373.169364] ? zap_class+0x640/0x640 [ 373.173083] ? zap_class+0x640/0x640 [ 373.176802] ? print_usage_bug+0xc0/0xc0 [ 373.180867] ? do_raw_spin_unlock+0xa7/0x330 [ 373.185278] ? zap_class+0x640/0x640 [ 373.189003] ? print_usage_bug+0xc0/0xc0 [ 373.193069] ? wq_watchdog_touch+0x9c/0xfe [ 373.197317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.202863] ? check_preemption_disabled+0x48/0x280 [ 373.207892] ? __lock_is_held+0xb5/0x140 [ 373.211961] __alloc_pages_nodemask+0xa80/0xde0 [ 373.216632] ? zap_class+0x640/0x640 [ 373.220359] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 373.225393] ? find_held_lock+0x36/0x1c0 [ 373.229470] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.234140] ? lock_downgrade+0x900/0x900 [ 373.238306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.243860] cache_grow_begin+0xa5/0x8c0 [ 373.247925] ? do_raw_spin_unlock+0xa7/0x330 [ 373.252353] fallback_alloc+0x204/0x2e0 [ 373.256345] ____cache_alloc_node+0x1c7/0x1e0 [ 373.260850] kmem_cache_alloc_node+0xe3/0x730 [ 373.265357] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.269604] __alloc_skb+0x119/0x770 [ 373.273331] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.278616] ? netdev_alloc_frag+0x1f0/0x1f0 [ 373.283030] ? lock_downgrade+0x900/0x900 [ 373.287192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.292735] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.298209] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.303661] ? addrconf_rs_timer+0x690/0x690 [ 373.308083] ndisc_alloc_skb+0x144/0x340 [ 373.312149] ndisc_send_rs+0x331/0x6e0 [ 373.316046] addrconf_rs_timer+0x314/0x690 [ 373.320297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.324556] call_timer_fn+0x272/0x920 [ 373.328444] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.332681] ? process_timeout+0x40/0x40 [ 373.336768] ? __run_timers+0x7da/0xc70 [ 373.340752] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.345250] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.349750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.353986] ? lockdep_hardirqs_on+0x296/0x5b0 [ 373.358574] ? trace_hardirqs_on+0xbd/0x310 [ 373.362901] ? kasan_check_read+0x11/0x20 [ 373.367052] ? __run_timers+0x7da/0xc70 [ 373.371047] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.376166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.380402] __run_timers+0x7e5/0xc70 [ 373.384219] ? timer_fixup_init+0x70/0x70 [ 373.388370] ? compat_start_thread+0x80/0x80 [ 373.392785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.398339] ? _raw_spin_unlock_irq+0x60/0x80 [ 373.402841] ? finish_task_switch+0x1f4/0x910 [ 373.407345] ? finish_task_switch+0x1b4/0x910 [ 373.411842] ? __switch_to_asm+0x34/0x70 [ 373.415929] ? preempt_notifier_register+0x200/0x200 [ 373.421036] ? __switch_to_asm+0x34/0x70 [ 373.425101] ? __switch_to_asm+0x40/0x70 [ 373.429207] ? __switch_to_asm+0x34/0x70 [ 373.433268] ? __switch_to_asm+0x40/0x70 [ 373.437367] ? __switch_to_asm+0x34/0x70 [ 373.441433] ? __switch_to_asm+0x40/0x70 [ 373.445498] ? __switch_to_asm+0x40/0x70 [ 373.449571] ? pvclock_read_flags+0x160/0x160 [ 373.454070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.459610] ? check_preemption_disabled+0x48/0x280 [ 373.464771] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 373.470320] ? rcu_pm_notify+0xc0/0xc0 [ 373.474220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.479758] ? check_preemption_disabled+0x48/0x280 [ 373.484780] run_timer_softirq+0x52/0xb0 [ 373.488841] ? rcu_read_lock_sched_held+0x14f/0x180 [ 373.493878] __do_softirq+0x308/0xb7e [ 373.497690] ? retint_kernel+0x2d/0x2d [ 373.501584] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 373.506687] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.512147] ? schedule+0x108/0x460 [ 373.515782] ? __schedule+0x21d0/0x21d0 [ 373.519763] ? trace_hardirqs_off+0xb8/0x310 [ 373.524176] ? smpboot_thread_fn+0x68b/0xa00 [ 373.528586] ? trace_hardirqs_on+0x310/0x310 [ 373.532999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.538541] ? check_preemption_disabled+0x48/0x280 [ 373.543561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.549098] ? takeover_tasklets+0xa90/0xa90 [ 373.553527] run_ksoftirqd+0x5e/0x100 [ 373.557336] smpboot_thread_fn+0x68b/0xa00 [ 373.561576] ? sort_range+0x30/0x30 [ 373.565206] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 373.570319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.575867] ? __kthread_parkme+0xfb/0x1a0 [ 373.580114] kthread+0x35a/0x420 [ 373.583487] ? sort_range+0x30/0x30 [ 373.587118] ? kthread_stop+0x900/0x900 [ 373.591095] ret_from_fork+0x3a/0x50 [ 373.594845] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 373.594852] warn_alloc_show_mem: 1 callbacks suppressed [ 373.594860] Mem-Info: [ 373.601530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.606901] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 373.606901] active_file:13 inactive_file:12 isolated_file:0 [ 373.606901] unevictable:0 dirty:0 writeback:0 unstable:0 [ 373.606901] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 373.606901] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 373.606901] free:13679 free_pcp:387 free_cma:0 [ 373.609292] Call Trace: [ 373.618683] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 373.651538] [ 373.654117] Node 0 [ 373.682066] dump_stack+0x244/0x39d [ 373.684221] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 373.686436] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.690037] lowmem_reserve[]: 0 [ 373.715566] warn_alloc.cold.117+0xb7/0x1bd [ 373.720730] 2818 [ 373.724025] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.728331] 6321 [ 373.730395] ? lock_downgrade+0x900/0x900 [ 373.735214] 6321 [ 373.737299] ? trace_hardirqs_off+0xb8/0x310 [ 373.743478] ? trace_hardirqs_off+0xb8/0x310 [ 373.747867] Node 0 DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 373.752314] __alloc_pages_slowpath+0x2660/0x2d70 [ 373.752356] ? warn_alloc+0x120/0x120 [ 373.779899] lowmem_reserve[]: 0 [ 373.784756] ? warn_alloc+0x120/0x120 [ 373.788536] 0 [ 373.791816] ? print_usage_bug+0xc0/0xc0 [ 373.795595] 3503 [ 373.797395] ? warn_alloc+0x120/0x120 [ 373.801438] 3503 [ 373.803499] ? print_usage_bug+0xc0/0xc0 [ 373.809349] ? __lock_acquire+0x62f/0x4c20 [ 373.813389] Node 0 [ 373.817619] ? __lock_acquire+0x62f/0x4c20 [ 373.817650] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 373.817658] lowmem_reserve[]: [ 373.819896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.824107] 0 [ 373.852488] ? should_fail+0x22d/0xd01 [ 373.855575] 0 [ 373.861113] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.862891] 0 [ 373.866779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.868567] 0 [ 373.873844] ? __lock_acquire+0x62f/0x4c20 [ 373.875636] Node 0 [ 373.880736] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.882518] DMA: [ 373.886749] ? __lock_acquire+0x62f/0x4c20 [ 373.888964] 1*4kB [ 373.894081] ? should_fail+0x22d/0xd01 [ 373.896133] (U) [ 373.900369] ? rcu_irq_exit+0x1a2/0x390 [ 373.902499] 0*8kB [ 373.906389] ? mark_held_locks+0x130/0x130 [ 373.908348] 0*16kB [ 373.912323] ? mark_held_locks+0x130/0x130 [ 373.914461] 1*32kB [ 373.918693] ? mark_held_locks+0xc7/0x130 [ 373.920924] (U) [ 373.925160] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 373.927379] 2*64kB [ 373.931524] ? zap_class+0x640/0x640 [ 373.933480] (U) [ 373.938492] ? print_usage_bug+0xc0/0xc0 [ 373.940730] 1*128kB (U) [ 373.944455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.946410] 1*256kB [ 373.950465] ? check_preemption_disabled+0x48/0x280 [ 373.950489] ? __lock_is_held+0xb5/0x140 [ 373.953143] (U) [ 373.958683] __alloc_pages_nodemask+0xa80/0xde0 [ 373.960989] 0*512kB [ 373.966004] ? zap_class+0x640/0x640 [ 373.970051] 1*1024kB [ 373.972030] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 373.976673] (U) [ 373.979010] ? find_held_lock+0x36/0x1c0 [ 373.982694] 1*2048kB [ 373.985110] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.990124] (M) [ 373.992099] ? lock_downgrade+0x900/0x900 [ 373.996149] 3*4096kB (M) [ 373.998575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.003214] = 15908kB [ 374.003223] Node 0 [ 374.005203] cache_grow_begin+0xa5/0x8c0 [ 374.009331] DMA32: [ 374.012081] ? do_raw_spin_unlock+0xa7/0x330 [ 374.017598] 5*4kB [ 374.020012] fallback_alloc+0x204/0x2e0 [ 374.022230] (M) [ 374.026302] ____cache_alloc_node+0x1c7/0x1e0 [ 374.028517] 1*8kB [ 374.032925] kmem_cache_alloc_node+0xe3/0x730 [ 374.035056] (U) [ 374.039027] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.040987] 4*16kB [ 374.045488] __alloc_skb+0x119/0x770 [ 374.047614] (M) [ 374.052113] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.054067] 2*32kB [ 374.058309] ? netdev_alloc_frag+0x1f0/0x1f0 [ 374.060533] (M) [ 374.064281] ? lock_downgrade+0x900/0x900 [ 374.066273] 4*64kB [ 374.071559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.073776] (UM) [ 374.078187] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.080146] 3*128kB [ 374.084302] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.086514] (M) [ 374.092051] ? addrconf_rs_timer+0x690/0x690 [ 374.094095] 4*256kB [ 374.099550] ndisc_alloc_skb+0x144/0x340 [ 374.101856] (UM) 3*512kB [ 374.107324] ndisc_send_rs+0x331/0x6e0 [ 374.109290] (M) [ 374.113707] addrconf_rs_timer+0x314/0x690 [ 374.116011] 3*1024kB [ 374.120087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.122839] (UM) [ 374.126756] call_timer_fn+0x272/0x920 [ 374.128707] 3*2048kB [ 374.132937] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.135359] (UM) [ 374.139589] ? process_timeout+0x40/0x40 [ 374.141631] 3*4096kB [ 374.145519] ? mark_held_locks+0xc7/0x130 [ 374.147908] (M) [ 374.152147] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.154187] = 24860kB [ 374.158244] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.160636] Node 0 [ 374.164780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.166735] Normal: [ 374.171242] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.173637] 767*4kB [ 374.178131] ? trace_hardirqs_on+0xbd/0x310 [ 374.180352] (UME) [ 374.184587] ? kasan_check_read+0x11/0x20 [ 374.186887] 454*8kB [ 374.191467] ? __run_timers+0x7da/0xc70 [ 374.193772] (ME) [ 374.198094] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.200217] 185*16kB (UME) [ 374.204371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.206683] 80*32kB [ 374.210655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.212714] (UME) [ 374.217819] __run_timers+0x7e5/0xc70 [ 374.220747] 22*64kB [ 374.224988] ? timer_fixup_init+0x70/0x70 [ 374.227309] (M) [ 374.231545] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.233677] 1*128kB [ 374.237473] ? zap_class+0x640/0x640 [ 374.239775] (U) [ 374.243919] ? print_usage_bug+0xc0/0xc0 [ 374.245875] 1*256kB [ 374.250890] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.253193] (U) [ 374.256907] ? find_held_lock+0x36/0x1c0 [ 374.258878] 0*512kB [ 374.262934] ? zap_class+0x640/0x640 [ 374.265239] 0*1024kB [ 374.270427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.272380] 0*2048kB [ 374.276454] ? check_preemption_disabled+0x48/0x280 [ 374.278755] 0*4096kB [ 374.282469] ? __lock_is_held+0xb5/0x140 [ 374.284858] = 14012kB [ 374.290411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.292812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 374.297822] ? check_preemption_disabled+0x48/0x280 [ 374.300218] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 374.304272] run_timer_softirq+0x52/0xb0 [ 374.306669] 163 total pagecache pages [ 374.312201] ? rcu_read_lock_sched_held+0x14f/0x180 [ 374.321019] 0 pages in swap cache [ 374.326028] __do_softirq+0x308/0xb7e [ 374.334586] Swap cache stats: add 0, delete 0, find 0/0 [ 374.338643] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 374.342418] Free swap = 0kB [ 374.342428] Total swap = 0kB [ 374.347463] ? lock_downgrade+0x900/0x900 [ 374.350895] 1965979 pages RAM [ 374.354701] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 374.360505] 0 pages HighMem/MovableOnly [ 374.360515] 342867 pages reserved [ 374.365024] ? pvclock_read_flags+0x160/0x160 [ 374.368017] 0 pages cma reserved [ 374.371036] ? lapic_next_event+0x5a/0x90 [ 374.375231] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.378264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.378294] ? kvm_clock_read+0x18/0x30 [ 374.378311] ? kvm_sched_clock_read+0x9/0x20 [ 374.383462] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.387382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.390815] ksoftirqd/0 cpuset= [ 374.395321] ? check_preemption_disabled+0x48/0x280 [ 374.398668] / [ 374.402818] irq_exit+0x17f/0x1c0 [ 374.409296] mems_allowed=0 [ 374.414844] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.460189] ? smp_reschedule_interrupt+0x109/0x650 [ 374.465216] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.471105] ? interrupt_entry+0xb5/0xc0 [ 374.475174] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.480188] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.485206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.490067] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.495093] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.500110] ? task_prio+0x50/0x50 [ 374.503652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.509210] ? check_preemption_disabled+0x48/0x280 [ 374.514250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.519113] apic_timer_interrupt+0xf/0x20 [ 374.523344] [ 374.525587] RIP: 0010:dump_stack+0x358/0x39d [ 374.530014] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 374.548916] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 374.556628] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 374.563898] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 374.571180] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 374.578465] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 374.585747] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 374.593031] ? dump_stack+0x34f/0x39d [ 374.596858] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.602065] dump_header+0x27b/0xf72 [ 374.605791] ? mark_held_locks+0x130/0x130 [ 374.610036] ? pagefault_out_of_memory+0x197/0x197 [ 374.614973] ? __lock_acquire+0x62f/0x4c20 [ 374.619208] ? zap_class+0x640/0x640 [ 374.622933] ? percpu_ref_get_many+0x240/0x240 [ 374.627539] ? print_usage_bug+0xc0/0xc0 [ 374.631604] ? print_usage_bug+0xc0/0xc0 [ 374.635703] ? zap_class+0x640/0x640 [ 374.639425] ? print_usage_bug+0xc0/0xc0 [ 374.643493] ? print_usage_bug+0xc0/0xc0 [ 374.647566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.653112] ? find_held_lock+0x36/0x1c0 [ 374.657185] ? mark_held_locks+0xc7/0x130 [ 374.661340] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.666447] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.671556] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 374.676146] ? trace_hardirqs_on+0xbd/0x310 [ 374.680479] ? kasan_check_read+0x11/0x20 [ 374.684628] ? ___ratelimit+0x3b4/0x672 [ 374.688610] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.693732] ? trace_hardirqs_on+0x310/0x310 [ 374.698144] ? lock_downgrade+0x900/0x900 [ 374.702311] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.707419] ? ___ratelimit+0x3b9/0x672 [ 374.711399] ? idr_get_free+0xec0/0xec0 [ 374.715380] ? find_held_lock+0x36/0x1c0 [ 374.719457] oom_kill_process.cold.27+0x10/0x903 [ 374.724214] ? zap_class+0x640/0x640 [ 374.727948] ? check_preemption_disabled+0x48/0x280 [ 374.732973] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.737904] ? kasan_check_read+0x11/0x20 [ 374.742055] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.747336] ? oom_evaluate_task+0x540/0x540 [ 374.751787] ? find_held_lock+0x36/0x1c0 [ 374.755859] ? out_of_memory+0x974/0x1430 [ 374.760010] ? lock_downgrade+0x900/0x900 [ 374.764163] ? check_preemption_disabled+0x48/0x280 [ 374.769201] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.774166] ? kasan_check_read+0x11/0x20 [ 374.778329] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.783613] ? rcu_softirq_qs+0x20/0x20 [ 374.787611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.793152] ? oom_evaluate_task+0x302/0x540 [ 374.797569] out_of_memory+0xa84/0x1430 [ 374.801570] ? oom_killer_disable+0x3a0/0x3a0 [ 374.806085] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 374.811035] ? __mutex_add_waiter+0x2a0/0x2a0 [ 374.815637] __alloc_pages_slowpath+0x22d4/0x2d70 [ 374.820522] ? warn_alloc+0x120/0x120 [ 374.824326] ? rcu_softirq_qs+0x20/0x20 [ 374.828334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.833880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.839422] ? should_fail+0x22d/0xd01 [ 374.843318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.848430] ? zap_class+0x640/0x640 [ 374.852170] ? __lock_is_held+0xb5/0x140 [ 374.856240] ? mark_held_locks+0x130/0x130 [ 374.860479] ? lock_release+0xa00/0xa00 [ 374.864458] ? perf_trace_sched_process_exec+0x860/0x860 [ 374.869925] ? __might_sleep+0x95/0x190 [ 374.873907] __alloc_pages_nodemask+0xa80/0xde0 [ 374.878588] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 374.883609] ? __page_cache_alloc+0x191/0x5c0 [ 374.888108] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.893042] ? kasan_check_read+0x11/0x20 [ 374.897195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.902481] ? zap_class+0x640/0x640 [ 374.906209] ? zap_class+0x640/0x640 [ 374.909936] ? zap_class+0x640/0x640 [ 374.913655] ? __do_page_cache_readahead+0x7ce/0x980 [ 374.918764] ? find_held_lock+0x36/0x1c0 [ 374.922852] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 374.928401] alloc_pages_current+0x173/0x350 [ 374.932850] __page_cache_alloc+0x38c/0x5c0 [ 374.937180] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 374.942109] ? kasan_check_read+0x11/0x20 [ 374.946267] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.951573] ? generic_perform_write+0x6a0/0x6a0 [ 374.956335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.961874] ? check_preemption_disabled+0x48/0x280 [ 374.966904] filemap_fault+0x1594/0x25f0 [ 374.970990] ? __lock_page_or_retry+0xa00/0xa00 [ 374.975659] ? mark_held_locks+0x130/0x130 [ 374.979908] ? rcu_softirq_qs+0x20/0x20 [ 374.983886] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.988995] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 374.993596] ? trace_hardirqs_on+0xbd/0x310 [ 374.997939] ? filemap_map_pages+0xe04/0x1990 [ 375.002465] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.007574] ? __free_object+0x173/0x340 [ 375.011641] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 375.016578] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.021688] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 375.026378] ? debug_object_free+0x32d/0x690 [ 375.030787] ? kasan_check_read+0x11/0x20 [ 375.034940] ? debug_object_destroy+0x2b0/0x2b0 [ 375.039612] ? lock_pi_update_atomic+0x150/0x150 [ 375.044368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.049930] ? __hrtimer_init+0xdb/0x240 [ 375.054020] ? lock_acquire+0x1ed/0x520 [ 375.058018] ? ext4_filemap_fault+0x7a/0xad [ 375.062347] ? lock_release+0xa00/0xa00 [ 375.066322] ? perf_trace_sched_process_exec+0x860/0x860 [ 375.071789] ? print_usage_bug+0xc0/0xc0 [ 375.075862] ? print_usage_bug+0xc0/0xc0 [ 375.079935] ? down_read+0x8d/0x120 [ 375.083563] ? ext4_filemap_fault+0x7a/0xad [ 375.087888] ? __down_interruptible+0x700/0x700 [ 375.092568] ext4_filemap_fault+0x82/0xad [ 375.096719] __do_fault+0x100/0x6b0 [ 375.100366] ? pmd_devmap_trans_unstable+0x220/0x220 [ 375.105560] ? mark_held_locks+0x130/0x130 [ 375.109798] ? mark_held_locks+0x130/0x130 [ 375.114044] ? debug_smp_processor_id+0x1c/0x20 [ 375.118716] ? perf_trace_lock+0x14d/0x7a0 [ 375.122957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.128501] __handle_mm_fault+0x307c/0x5920 [ 375.132913] ? perf_trace_lock+0x7a0/0x7a0 [ 375.137164] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 375.142010] ? lock_is_held_type+0x210/0x210 [ 375.146429] ? ksys_dup3+0x680/0x680 [ 375.150159] ? zap_class+0x640/0x640 [ 375.153878] ? zap_class+0x640/0x640 [ 375.157618] ? __x64_sys_futex+0x53e/0x6a0 [ 375.161866] ? find_held_lock+0x36/0x1c0 [ 375.165942] ? handle_mm_fault+0x42a/0xc70 [ 375.170180] ? lock_downgrade+0x900/0x900 [ 375.174327] ? check_preemption_disabled+0x48/0x280 [ 375.179353] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.184295] ? kasan_check_read+0x11/0x20 [ 375.188451] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.193736] ? rcu_softirq_qs+0x20/0x20 [ 375.197710] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.202816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.208364] ? check_preemption_disabled+0x48/0x280 [ 375.213394] handle_mm_fault+0x54f/0xc70 [ 375.217461] ? __handle_mm_fault+0x5920/0x5920 [ 375.222053] ? find_vma+0x34/0x190 [ 375.225628] __do_page_fault+0x5e8/0xe60 [ 375.229692] ? trace_hardirqs_off+0xb8/0x310 [ 375.234122] ? kernel_write+0x120/0x120 [ 375.238113] do_page_fault+0xf2/0x7e0 [ 375.241920] ? vmalloc_sync_all+0x30/0x30 [ 375.246081] ? error_entry+0x70/0xd0 [ 375.249811] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.254851] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.259782] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.264711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.269561] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.274594] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.280052] ? prepare_exit_to_usermode+0x291/0x3b0 [ 375.285070] ? page_fault+0x8/0x30 [ 375.288634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.293488] ? page_fault+0x8/0x30 [ 375.297033] page_fault+0x1e/0x30 [ 375.300485] RIP: 0033:0x45ddf3 [ 375.303694] Code: Bad RIP value. [ 375.307058] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 375.312468] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 375.319742] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 375.327009] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 375.334275] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 375.341557] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 375.348874] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 375.348942] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.355376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.355386] Call Trace: [ 375.361991] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.371230] dump_stack+0x244/0x39d [ 375.373794] syz-fuzzer cpuset= [ 375.384017] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.387621] / [ 375.390821] warn_alloc.cold.117+0xb7/0x1bd [ 375.395990] mems_allowed=0 [ 375.397705] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.409765] ? lock_downgrade+0x900/0x900 [ 375.413924] ? trace_hardirqs_off+0xb8/0x310 [ 375.418345] ? trace_hardirqs_off+0xb8/0x310 [ 375.422765] __alloc_pages_slowpath+0x2660/0x2d70 [ 375.427642] ? warn_alloc+0x120/0x120 [ 375.431451] ? warn_alloc+0x120/0x120 [ 375.435257] ? print_usage_bug+0xc0/0xc0 [ 375.439334] ? warn_alloc+0x120/0x120 [ 375.443140] ? print_usage_bug+0xc0/0xc0 [ 375.447206] ? __lock_acquire+0x62f/0x4c20 [ 375.451443] ? __lock_acquire+0x62f/0x4c20 [ 375.455700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.461238] ? should_fail+0x22d/0xd01 [ 375.465293] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.470422] ? __lock_acquire+0x62f/0x4c20 [ 375.474664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.479842] ? __lock_acquire+0x62f/0x4c20 [ 375.484079] ? should_fail+0x22d/0xd01 [ 375.487992] ? find_held_lock+0x36/0x1c0 [ 375.492112] ? mark_held_locks+0x130/0x130 [ 375.496358] ? mark_held_locks+0x130/0x130 [ 375.500592] ? zap_class+0x640/0x640 [ 375.504315] ? zap_class+0x640/0x640 [ 375.508049] ? print_usage_bug+0xc0/0xc0 [ 375.512120] ? do_raw_spin_unlock+0xa7/0x330 [ 375.516547] ? zap_class+0x640/0x640 [ 375.520273] ? print_usage_bug+0xc0/0xc0 [ 375.524348] ? wq_watchdog_touch+0x9c/0xfe [ 375.528609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.534148] ? check_preemption_disabled+0x48/0x280 [ 375.539183] ? __lock_is_held+0xb5/0x140 [ 375.543255] __alloc_pages_nodemask+0xa80/0xde0 [ 375.547935] ? zap_class+0x640/0x640 [ 375.551658] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 375.556687] ? find_held_lock+0x36/0x1c0 [ 375.560761] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.565445] ? lock_downgrade+0x900/0x900 [ 375.569621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.575168] cache_grow_begin+0xa5/0x8c0 [ 375.579229] ? do_raw_spin_unlock+0xa7/0x330 [ 375.583650] fallback_alloc+0x204/0x2e0 [ 375.587634] ____cache_alloc_node+0x1c7/0x1e0 [ 375.592139] kmem_cache_alloc_node+0xe3/0x730 [ 375.596639] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.600885] __alloc_skb+0x119/0x770 [ 375.604601] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.609903] ? netdev_alloc_frag+0x1f0/0x1f0 [ 375.614337] ? lock_downgrade+0x900/0x900 [ 375.618496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.624039] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.629513] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.634969] ? addrconf_rs_timer+0x690/0x690 [ 375.639393] ndisc_alloc_skb+0x144/0x340 [ 375.643491] ndisc_send_rs+0x331/0x6e0 [ 375.647392] addrconf_rs_timer+0x314/0x690 [ 375.651640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.655896] call_timer_fn+0x272/0x920 [ 375.659799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.664040] ? process_timeout+0x40/0x40 [ 375.668136] ? __run_timers+0x7da/0xc70 [ 375.672120] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.676618] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.681117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.685362] ? lockdep_hardirqs_on+0x296/0x5b0 [ 375.689966] ? trace_hardirqs_on+0xbd/0x310 [ 375.694300] ? kasan_check_read+0x11/0x20 [ 375.698456] ? __run_timers+0x7da/0xc70 [ 375.702433] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.707545] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.711787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.716036] __run_timers+0x7e5/0xc70 [ 375.719856] ? timer_fixup_init+0x70/0x70 [ 375.724023] ? compat_start_thread+0x80/0x80 [ 375.728441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.733994] ? _raw_spin_unlock_irq+0x60/0x80 [ 375.738492] ? finish_task_switch+0x1f4/0x910 [ 375.742989] ? finish_task_switch+0x1b4/0x910 [ 375.747502] ? __switch_to_asm+0x34/0x70 [ 375.751572] ? preempt_notifier_register+0x200/0x200 [ 375.756681] ? __switch_to_asm+0x34/0x70 [ 375.760754] ? __switch_to_asm+0x40/0x70 [ 375.764817] ? __switch_to_asm+0x34/0x70 [ 375.768883] ? __switch_to_asm+0x40/0x70 [ 375.772945] ? __switch_to_asm+0x34/0x70 [ 375.777010] ? __switch_to_asm+0x40/0x70 [ 375.781071] ? __switch_to_asm+0x40/0x70 [ 375.785143] ? pvclock_read_flags+0x160/0x160 [ 375.789644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.795188] ? check_preemption_disabled+0x48/0x280 [ 375.800220] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 375.805777] ? rcu_pm_notify+0xc0/0xc0 [ 375.809672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.815209] ? check_preemption_disabled+0x48/0x280 [ 375.820236] run_timer_softirq+0x52/0xb0 [ 375.824306] ? rcu_read_lock_sched_held+0x14f/0x180 [ 375.829336] __do_softirq+0x308/0xb7e [ 375.833169] ? retint_kernel+0x2d/0x2d [ 375.837064] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 375.842171] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.847631] ? schedule+0x108/0x460 [ 375.851262] ? __schedule+0x21d0/0x21d0 [ 375.855251] ? trace_hardirqs_off+0xb8/0x310 [ 375.859670] ? smpboot_thread_fn+0x68b/0xa00 [ 375.864079] ? trace_hardirqs_on+0x310/0x310 [ 375.868492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.874051] ? check_preemption_disabled+0x48/0x280 [ 375.879069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.884609] ? takeover_tasklets+0xa90/0xa90 [ 375.889022] run_ksoftirqd+0x5e/0x100 [ 375.892827] smpboot_thread_fn+0x68b/0xa00 [ 375.897072] ? sort_range+0x30/0x30 [ 375.900702] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.905806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.911353] ? __kthread_parkme+0xfb/0x1a0 [ 375.915598] kthread+0x35a/0x420 [ 375.918969] ? sort_range+0x30/0x30 [ 375.922597] ? kthread_stop+0x900/0x900 [ 375.926578] ret_from_fork+0x3a/0x50 [ 375.930322] warn_alloc_show_mem: 1 callbacks suppressed [ 375.930334] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 375.930336] Mem-Info: [ 375.930367] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 375.930367] active_file:13 inactive_file:12 isolated_file:0 [ 375.930367] unevictable:0 dirty:0 writeback:0 unstable:0 [ 375.930367] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 375.930367] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 375.930367] free:13679 free_pcp:387 free_cma:0 [ 375.935713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.942388] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 375.944793] Call Trace: [ 375.977685] Node 0 [ 375.987052] [ 376.014561] 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 [ 376.017132] dump_stack+0x244/0x39d [ 376.019356] lowmem_reserve[]: 0 [ 376.021537] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.047019] 2818 6321 [ 376.050666] warn_alloc.cold.117+0xb7/0x1bd [ 376.053914] 6321 [ 376.059099] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.065926] ? lock_downgrade+0x900/0x900 [ 376.067967] Node 0 [ 376.072812] ? trace_hardirqs_off+0xb8/0x310 [ 376.076960] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 376.079173] ? trace_hardirqs_off+0xb8/0x310 [ 376.083553] lowmem_reserve[]: 0 [ 376.110547] __alloc_pages_slowpath+0x2660/0x2d70 [ 376.114935] 0 [ 376.118240] ? warn_alloc+0x120/0x120 [ 376.123050] 3503 [ 376.124855] ? warn_alloc+0x120/0x120 [ 376.128635] 3503 [ 376.130700] ? print_usage_bug+0xc0/0xc0 [ 376.136552] ? warn_alloc+0x120/0x120 [ 376.140592] Node 0 [ 376.144411] ? print_usage_bug+0xc0/0xc0 [ 376.144442] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 376.144450] lowmem_reserve[]: [ 376.146689] ? __lock_acquire+0x62f/0x4c20 [ 376.150744] 0 [ 376.179369] ? __lock_acquire+0x62f/0x4c20 [ 376.182459] 0 [ 376.186694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.188492] 0 [ 376.192726] ? should_fail+0x22d/0xd01 [ 376.194506] 0 [ 376.200039] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.205733] ? __lock_acquire+0x62f/0x4c20 [ 376.207518] Node 0 [ 376.212619] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.216837] DMA: [ 376.219075] ? __lock_acquire+0x62f/0x4c20 [ 376.224171] 1*4kB [ 376.226247] ? should_fail+0x22d/0xd01 [ 376.230466] (U) [ 376.232631] ? mark_held_locks+0x130/0x130 [ 376.236505] 0*8kB 0*16kB [ 376.238492] ? mark_held_locks+0x130/0x130 [ 376.242708] 1*32kB [ 376.245469] ? zap_class+0x640/0x640 [ 376.249689] (U) [ 376.251951] ? print_usage_bug+0xc0/0xc0 [ 376.255642] 2*64kB (U) [ 376.257629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.261661] 1*128kB (U) [ 376.264253] ? check_preemption_disabled+0x48/0x280 [ 376.269762] 1*256kB (U) [ 376.272460] ? __lock_is_held+0xb5/0x140 [ 376.277453] 0*512kB [ 376.280134] __alloc_pages_nodemask+0xa80/0xde0 [ 376.284176] 1*1024kB (U) [ 376.286506] ? zap_class+0x640/0x640 [ 376.291147] 1*2048kB (M) [ 376.293910] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 376.297627] 3*4096kB [ 376.300388] ? find_held_lock+0x36/0x1c0 [ 376.305394] (M) [ 376.307823] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.311856] = 15908kB [ 376.313837] ? lock_downgrade+0x900/0x900 [ 376.318481] Node 0 [ 376.320894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.325010] DMA32: 5*4kB [ 376.327273] cache_grow_begin+0xa5/0x8c0 [ 376.332810] (M) [ 376.335596] ? do_raw_spin_unlock+0xa7/0x330 [ 376.339647] 1*8kB (U) [ 376.341638] fallback_alloc+0x204/0x2e0 [ 376.346019] 4*16kB (M) [ 376.348534] ____cache_alloc_node+0x1c7/0x1e0 [ 376.352477] 2*32kB (M) [ 376.355075] kmem_cache_alloc_node+0xe3/0x730 [ 376.359992] 4*64kB (UM) [ 376.362591] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.367066] 3*128kB [ 376.369741] __alloc_skb+0x119/0x770 [ 376.373963] (M) [ 376.376312] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.380011] 4*256kB (UM) [ 376.382004] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.387266] 3*512kB (M) [ 376.390053] ? lock_downgrade+0x900/0x900 [ 376.394449] 3*1024kB (UM) [ 376.397135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.401256] 3*2048kB [ 376.404099] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.409610] (UM) [ 376.412022] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.417450] 3*4096kB (M) [ 376.419526] ? addrconf_rs_timer+0x690/0x690 [ 376.424951] = 24860kB [ 376.424960] Node 0 [ 376.427727] ndisc_alloc_skb+0x144/0x340 [ 376.432105] Normal: [ 376.434516] ndisc_send_rs+0x331/0x6e0 [ 376.436735] 767*4kB [ 376.440797] addrconf_rs_timer+0x314/0x690 [ 376.443113] (UME) [ 376.446999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.449311] 454*8kB [ 376.453552] call_timer_fn+0x272/0x920 [ 376.455671] (ME) [ 376.459900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.462197] 185*16kB (UME) [ 376.466108] ? process_timeout+0x40/0x40 [ 376.468152] 80*32kB (UME) [ 376.472413] ? mark_held_locks+0xc7/0x130 [ 376.475334] 22*64kB [ 376.479398] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.482221] (M) [ 376.486367] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.488670] 1*128kB [ 376.493162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.495116] (U) [ 376.499607] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.501913] 1*256kB [ 376.506157] ? trace_hardirqs_on+0xbd/0x310 [ 376.508115] (U) [ 376.512697] ? kasan_check_read+0x11/0x20 [ 376.514997] 0*512kB [ 376.519323] ? __run_timers+0x7da/0xc70 [ 376.521292] 0*1024kB [ 376.525440] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.527744] 0*2048kB [ 376.531750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.534134] 0*4096kB [ 376.539248] __run_timers+0x7e5/0xc70 [ 376.541632] = 14012kB [ 376.541647] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 376.545881] ? timer_fixup_init+0x70/0x70 [ 376.548289] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 376.548299] 163 total pagecache pages [ 376.552099] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.554493] 0 pages in swap cache [ 376.563327] ? zap_class+0x640/0x640 [ 376.567467] Swap cache stats: add 0, delete 0, find 0/0 [ 376.576038] ? print_usage_bug+0xc0/0xc0 [ 376.579847] Free swap = 0kB [ 376.584864] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.588306] Total swap = 0kB [ 376.592039] ? find_held_lock+0x36/0x1c0 [ 376.597397] 1965979 pages RAM [ 376.601453] ? zap_class+0x640/0x640 [ 376.604452] 0 pages HighMem/MovableOnly [ 376.609644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.612636] 342867 pages reserved [ 376.612645] 0 pages cma reserved [ 376.616706] ? check_preemption_disabled+0x48/0x280 [ 376.619927] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.623538] ? __lock_is_held+0xb5/0x140 [ 376.627581] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.633035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.636487] ksoftirqd/0 cpuset= [ 376.639860] ? check_preemption_disabled+0x48/0x280 [ 376.644860] / [ 376.651361] run_timer_softirq+0x52/0xb0 [ 376.655407] mems_allowed=0 [ 376.665739] ? rcu_read_lock_sched_held+0x14f/0x180 [ 376.693262] __do_softirq+0x308/0xb7e [ 376.697082] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 376.701577] ? lock_downgrade+0x900/0x900 [ 376.705735] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 376.710857] ? pvclock_read_flags+0x160/0x160 [ 376.715374] ? lapic_next_event+0x5a/0x90 [ 376.719530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.725075] ? kvm_clock_read+0x18/0x30 [ 376.729060] ? kvm_sched_clock_read+0x9/0x20 [ 376.733474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.739016] ? check_preemption_disabled+0x48/0x280 [ 376.744045] irq_exit+0x17f/0x1c0 [ 376.747532] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.752375] ? smp_reschedule_interrupt+0x109/0x650 [ 376.757396] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.763293] ? interrupt_entry+0xb5/0xc0 [ 376.767366] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.772385] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.777426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.782275] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.787308] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.792356] ? task_prio+0x50/0x50 [ 376.795905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.801463] ? check_preemption_disabled+0x48/0x280 [ 376.806492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.811355] apic_timer_interrupt+0xf/0x20 [ 376.815594] [ 376.817839] RIP: 0010:dump_stack+0x358/0x39d [ 376.822253] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 376.841184] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 376.848905] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 376.856171] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 376.863439] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 376.870712] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 376.877980] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 376.885265] ? dump_stack+0x34f/0x39d [ 376.889090] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.894305] dump_header+0x27b/0xf72 [ 376.898044] ? mark_held_locks+0x130/0x130 [ 376.902291] ? pagefault_out_of_memory+0x197/0x197 [ 376.907236] ? __lock_acquire+0x62f/0x4c20 [ 376.911472] ? zap_class+0x640/0x640 [ 376.915192] ? percpu_ref_get_many+0x240/0x240 [ 376.919779] ? print_usage_bug+0xc0/0xc0 [ 376.923846] ? print_usage_bug+0xc0/0xc0 [ 376.927915] ? zap_class+0x640/0x640 [ 376.931631] ? print_usage_bug+0xc0/0xc0 [ 376.935695] ? print_usage_bug+0xc0/0xc0 [ 376.939764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.945316] ? find_held_lock+0x36/0x1c0 [ 376.949389] ? mark_held_locks+0xc7/0x130 [ 376.953546] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.958651] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.963777] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 376.968363] ? trace_hardirqs_on+0xbd/0x310 [ 376.972693] ? kasan_check_read+0x11/0x20 [ 376.976847] ? ___ratelimit+0x3b4/0x672 [ 376.980840] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.985950] ? trace_hardirqs_on+0x310/0x310 [ 376.990373] ? lock_downgrade+0x900/0x900 [ 376.994528] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 376.999634] ? ___ratelimit+0x3b9/0x672 [ 377.003614] ? idr_get_free+0xec0/0xec0 [ 377.007593] ? find_held_lock+0x36/0x1c0 [ 377.011673] oom_kill_process.cold.27+0x10/0x903 [ 377.016432] ? zap_class+0x640/0x640 [ 377.020167] ? check_preemption_disabled+0x48/0x280 [ 377.025202] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.030156] ? kasan_check_read+0x11/0x20 [ 377.034317] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.039598] ? oom_evaluate_task+0x540/0x540 [ 377.044026] ? find_held_lock+0x36/0x1c0 [ 377.048113] ? out_of_memory+0x974/0x1430 [ 377.052261] ? lock_downgrade+0x900/0x900 [ 377.056419] ? check_preemption_disabled+0x48/0x280 [ 377.061475] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.066426] ? kasan_check_read+0x11/0x20 [ 377.070579] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.075857] ? rcu_softirq_qs+0x20/0x20 [ 377.079860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.085518] ? oom_evaluate_task+0x302/0x540 [ 377.089933] out_of_memory+0xa84/0x1430 [ 377.093916] ? oom_killer_disable+0x3a0/0x3a0 [ 377.098412] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 377.103362] ? __mutex_add_waiter+0x2a0/0x2a0 [ 377.107885] __alloc_pages_slowpath+0x22d4/0x2d70 [ 377.112786] ? warn_alloc+0x120/0x120 [ 377.116592] ? rcu_softirq_qs+0x20/0x20 [ 377.120591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.126134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.131670] ? should_fail+0x22d/0xd01 [ 377.135560] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.140668] ? zap_class+0x640/0x640 [ 377.144422] ? __lock_is_held+0xb5/0x140 [ 377.148497] ? mark_held_locks+0x130/0x130 [ 377.152736] ? lock_release+0xa00/0xa00 [ 377.156723] ? perf_trace_sched_process_exec+0x860/0x860 [ 377.162186] ? __might_sleep+0x95/0x190 [ 377.166206] __alloc_pages_nodemask+0xa80/0xde0 [ 377.170881] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 377.175898] ? __page_cache_alloc+0x191/0x5c0 [ 377.180403] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.185334] ? kasan_check_read+0x11/0x20 [ 377.189488] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.194768] ? zap_class+0x640/0x640 [ 377.198500] ? zap_class+0x640/0x640 [ 377.202211] ? zap_class+0x640/0x640 [ 377.205924] ? __do_page_cache_readahead+0x7ce/0x980 [ 377.211036] ? find_held_lock+0x36/0x1c0 [ 377.215102] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 377.220653] alloc_pages_current+0x173/0x350 [ 377.225114] __page_cache_alloc+0x38c/0x5c0 [ 377.229437] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.234455] ? kasan_check_read+0x11/0x20 [ 377.238609] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.243889] ? generic_perform_write+0x6a0/0x6a0 [ 377.248648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.254191] ? check_preemption_disabled+0x48/0x280 [ 377.259217] filemap_fault+0x1594/0x25f0 [ 377.263312] ? __lock_page_or_retry+0xa00/0xa00 [ 377.268001] ? mark_held_locks+0x130/0x130 [ 377.272265] ? rcu_softirq_qs+0x20/0x20 [ 377.276253] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.281366] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.285954] ? trace_hardirqs_on+0xbd/0x310 [ 377.290295] ? filemap_map_pages+0xe04/0x1990 [ 377.294805] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.299923] ? __free_object+0x173/0x340 [ 377.303991] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 377.308923] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.314030] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 377.318713] ? debug_object_free+0x32d/0x690 [ 377.323136] ? kasan_check_read+0x11/0x20 [ 377.327297] ? debug_object_destroy+0x2b0/0x2b0 [ 377.331972] ? lock_pi_update_atomic+0x150/0x150 [ 377.336729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.342267] ? __hrtimer_init+0xdb/0x240 [ 377.346376] ? lock_acquire+0x1ed/0x520 [ 377.350356] ? ext4_filemap_fault+0x7a/0xad [ 377.354689] ? lock_release+0xa00/0xa00 [ 377.358665] ? perf_trace_sched_process_exec+0x860/0x860 [ 377.364117] ? print_usage_bug+0xc0/0xc0 [ 377.368181] ? print_usage_bug+0xc0/0xc0 [ 377.372516] ? down_read+0x8d/0x120 [ 377.376141] ? ext4_filemap_fault+0x7a/0xad [ 377.380473] ? __down_interruptible+0x700/0x700 [ 377.385180] ext4_filemap_fault+0x82/0xad [ 377.389333] __do_fault+0x100/0x6b0 [ 377.392979] ? pmd_devmap_trans_unstable+0x220/0x220 [ 377.398090] ? mark_held_locks+0x130/0x130 [ 377.402327] ? mark_held_locks+0x130/0x130 [ 377.406570] ? debug_smp_processor_id+0x1c/0x20 [ 377.411263] ? perf_trace_lock+0x14d/0x7a0 [ 377.415515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.421062] __handle_mm_fault+0x307c/0x5920 [ 377.425524] ? perf_trace_lock+0x7a0/0x7a0 [ 377.429782] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 377.434632] ? lock_is_held_type+0x210/0x210 [ 377.439046] ? ksys_dup3+0x680/0x680 [ 377.442831] ? zap_class+0x640/0x640 [ 377.446549] ? zap_class+0x640/0x640 [ 377.450262] ? __x64_sys_futex+0x53e/0x6a0 [ 377.454531] ? find_held_lock+0x36/0x1c0 [ 377.458604] ? handle_mm_fault+0x42a/0xc70 [ 377.462846] ? lock_downgrade+0x900/0x900 [ 377.467452] ? check_preemption_disabled+0x48/0x280 [ 377.472481] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.477417] ? kasan_check_read+0x11/0x20 [ 377.481583] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.486865] ? rcu_softirq_qs+0x20/0x20 [ 377.490844] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.495961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.501498] ? check_preemption_disabled+0x48/0x280 [ 377.506526] handle_mm_fault+0x54f/0xc70 [ 377.510608] ? __handle_mm_fault+0x5920/0x5920 [ 377.515198] ? find_vma+0x34/0x190 [ 377.518745] __do_page_fault+0x5e8/0xe60 [ 377.522850] ? trace_hardirqs_off+0xb8/0x310 [ 377.527277] ? kernel_write+0x120/0x120 [ 377.531276] do_page_fault+0xf2/0x7e0 [ 377.535104] ? vmalloc_sync_all+0x30/0x30 [ 377.539256] ? error_entry+0x70/0xd0 [ 377.542980] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.547997] ? trace_hardirqs_on_caller+0xc0/0x310 [ 377.552930] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.557857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.562716] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.567747] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.573220] ? prepare_exit_to_usermode+0x291/0x3b0 [ 377.578237] ? page_fault+0x8/0x30 [ 377.581815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.586667] ? page_fault+0x8/0x30 [ 377.590214] page_fault+0x1e/0x30 [ 377.593665] RIP: 0033:0x45ddf3 [ 377.596870] Code: Bad RIP value. [ 377.600231] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 377.605597] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 377.612864] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 377.620131] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 377.627409] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 377.634676] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 377.641989] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 377.642075] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.648488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.648494] Call Trace: [ 377.648515] dump_stack+0x244/0x39d [ 377.648535] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.655067] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.664637] warn_alloc.cold.117+0xb7/0x1bd [ 377.667200] syz-fuzzer cpuset= [ 377.670849] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.676023] / [ 377.686259] ? lock_downgrade+0x900/0x900 [ 377.690564] mems_allowed=0 [ 377.693755] ? trace_hardirqs_off+0xb8/0x310 [ 377.711750] ? trace_hardirqs_off+0xb8/0x310 [ 377.716205] __alloc_pages_slowpath+0x2660/0x2d70 [ 377.721087] ? warn_alloc+0x120/0x120 [ 377.724895] ? warn_alloc+0x120/0x120 [ 377.728705] ? print_usage_bug+0xc0/0xc0 [ 377.732771] ? warn_alloc+0x120/0x120 [ 377.736608] ? print_usage_bug+0xc0/0xc0 [ 377.740675] ? __lock_acquire+0x62f/0x4c20 [ 377.744912] ? __lock_acquire+0x62f/0x4c20 [ 377.749152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.754702] ? should_fail+0x22d/0xd01 [ 377.758594] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.763699] ? __lock_acquire+0x62f/0x4c20 [ 377.767955] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.773061] ? __lock_acquire+0x62f/0x4c20 [ 377.777301] ? should_fail+0x22d/0xd01 [ 377.781202] ? find_held_lock+0x36/0x1c0 [ 377.785277] ? mark_held_locks+0x130/0x130 [ 377.789532] ? mark_held_locks+0x130/0x130 [ 377.793778] ? zap_class+0x640/0x640 [ 377.797507] ? mark_held_locks+0xc7/0x130 [ 377.801654] ? do_raw_spin_unlock+0xa7/0x330 [ 377.806078] ? zap_class+0x640/0x640 [ 377.809816] ? print_usage_bug+0xc0/0xc0 [ 377.813898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.819441] ? check_preemption_disabled+0x48/0x280 [ 377.824468] ? __lock_is_held+0xb5/0x140 [ 377.828540] __alloc_pages_nodemask+0xa80/0xde0 [ 377.833214] ? zap_class+0x640/0x640 [ 377.836935] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 377.841977] ? find_held_lock+0x36/0x1c0 [ 377.846050] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.850721] ? lock_downgrade+0x900/0x900 [ 377.854877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.860422] cache_grow_begin+0xa5/0x8c0 [ 377.864486] ? do_raw_spin_unlock+0xa7/0x330 [ 377.868903] fallback_alloc+0x204/0x2e0 [ 377.872887] ____cache_alloc_node+0x1c7/0x1e0 [ 377.877393] kmem_cache_alloc_node+0xe3/0x730 [ 377.881891] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.886157] __alloc_skb+0x119/0x770 [ 377.889880] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.895788] ? netdev_alloc_frag+0x1f0/0x1f0 [ 377.900199] ? lock_downgrade+0x900/0x900 [ 377.904373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.909914] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.915372] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.920825] ? addrconf_rs_timer+0x690/0x690 [ 377.925246] ndisc_alloc_skb+0x144/0x340 [ 377.929333] ndisc_send_rs+0x331/0x6e0 [ 377.933230] addrconf_rs_timer+0x314/0x690 [ 377.937472] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.941725] call_timer_fn+0x272/0x920 [ 377.945636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.949901] ? process_timeout+0x40/0x40 [ 377.954006] ? __run_timers+0x7da/0xc70 [ 377.957989] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.962486] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.966977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.971216] ? lockdep_hardirqs_on+0x296/0x5b0 [ 377.975803] ? trace_hardirqs_on+0xbd/0x310 [ 377.980154] ? kasan_check_read+0x11/0x20 [ 377.984317] ? __run_timers+0x7da/0xc70 [ 377.988310] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.993430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.997675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.001913] __run_timers+0x7e5/0xc70 [ 378.005742] ? timer_fixup_init+0x70/0x70 [ 378.009891] ? compat_start_thread+0x80/0x80 [ 378.014311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.019873] ? _raw_spin_unlock_irq+0x60/0x80 [ 378.024371] ? finish_task_switch+0x1f4/0x910 [ 378.028870] ? finish_task_switch+0x1b4/0x910 [ 378.033375] ? __switch_to_asm+0x34/0x70 [ 378.037454] ? preempt_notifier_register+0x200/0x200 [ 378.042560] ? __switch_to_asm+0x34/0x70 [ 378.046624] ? __switch_to_asm+0x40/0x70 [ 378.050701] ? __switch_to_asm+0x34/0x70 [ 378.054767] ? __switch_to_asm+0x40/0x70 [ 378.058828] ? __switch_to_asm+0x34/0x70 [ 378.062893] ? __switch_to_asm+0x40/0x70 [ 378.066955] ? __switch_to_asm+0x40/0x70 [ 378.071027] ? pvclock_read_flags+0x160/0x160 [ 378.075528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.081068] ? check_preemption_disabled+0x48/0x280 [ 378.086097] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 378.091648] ? rcu_pm_notify+0xc0/0xc0 [ 378.095537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.101188] ? check_preemption_disabled+0x48/0x280 [ 378.106209] run_timer_softirq+0x52/0xb0 [ 378.110290] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.115319] __do_softirq+0x308/0xb7e [ 378.119191] ? retint_kernel+0x2d/0x2d [ 378.123100] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 378.128212] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.133674] ? schedule+0x108/0x460 [ 378.137322] ? __schedule+0x21d0/0x21d0 [ 378.141329] ? trace_hardirqs_off+0xb8/0x310 [ 378.145755] ? smpboot_thread_fn+0x68b/0xa00 [ 378.150165] ? trace_hardirqs_on+0x310/0x310 [ 378.154577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.160115] ? check_preemption_disabled+0x48/0x280 [ 378.165132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.170670] ? takeover_tasklets+0xa90/0xa90 [ 378.175092] run_ksoftirqd+0x5e/0x100 [ 378.178896] smpboot_thread_fn+0x68b/0xa00 [ 378.183137] ? sort_range+0x30/0x30 [ 378.186778] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.191997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.197539] ? __kthread_parkme+0xfb/0x1a0 [ 378.201797] kthread+0x35a/0x420 [ 378.205206] ? sort_range+0x30/0x30 [ 378.208836] ? kthread_stop+0x900/0x900 [ 378.212820] ret_from_fork+0x3a/0x50 [ 378.216553] warn_alloc_show_mem: 1 callbacks suppressed [ 378.216565] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 378.216567] Mem-Info: [ 378.216600] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 378.216600] active_file:13 inactive_file:12 isolated_file:0 [ 378.216600] unevictable:0 dirty:0 writeback:0 unstable:0 [ 378.216600] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 378.216600] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 378.216600] free:13679 free_pcp:387 free_cma:0 [ 378.221938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.221946] Call Trace: [ 378.228651] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 378.231070] [ 378.263953] Node 0 [ 378.273327] dump_stack+0x244/0x39d [ 378.275946] 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 [ 378.303430] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.305563] lowmem_reserve[]: [ 378.307811] warn_alloc.cold.117+0xb7/0x1bd [ 378.311414] 0 [ 378.336928] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.342105] 2818 [ 378.345220] ? lock_downgrade+0x900/0x900 [ 378.349537] 6321 [ 378.351348] ? trace_hardirqs_off+0xb8/0x310 [ 378.356617] 6321 [ 378.358704] ? trace_hardirqs_off+0xb8/0x310 [ 378.362835] Node 0 [ 378.364908] __alloc_pages_slowpath+0x2660/0x2d70 [ 378.369322] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 378.371387] ? warn_alloc+0x120/0x120 [ 378.375759] lowmem_reserve[]: 0 [ 378.378004] ? warn_alloc+0x120/0x120 [ 378.382832] 0 3503 [ 378.409817] ? print_usage_bug+0xc0/0xc0 [ 378.413614] 3503 [ 378.416900] ? warn_alloc+0x120/0x120 [ 378.420708] Node 0 [ 378.422959] ? print_usage_bug+0xc0/0xc0 [ 378.427027] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 378.429078] ? __lock_acquire+0x62f/0x4c20 [ 378.432858] lowmem_reserve[]: [ 378.435092] ? __lock_acquire+0x62f/0x4c20 [ 378.439134] 0 [ 378.467501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.471711] 0 [ 378.474813] ? should_fail+0x22d/0xd01 [ 378.479029] 0 [ 378.480843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.486379] 0 [ 378.488185] ? __lock_acquire+0x62f/0x4c20 [ 378.493870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.498953] Node 0 [ 378.500764] ? __lock_acquire+0x62f/0x4c20 [ 378.504974] DMA: [ 378.510086] ? should_fail+0x22d/0xd01 [ 378.512312] 1*4kB [ 378.516570] ? find_held_lock+0x36/0x1c0 [ 378.518613] (U) [ 378.522502] ? mark_held_locks+0x130/0x130 [ 378.524631] 0*8kB [ 378.528706] ? mark_held_locks+0x130/0x130 [ 378.530671] 0*16kB [ 378.534912] ? zap_class+0x640/0x640 [ 378.537092] 1*32kB (U) 2*64kB [ 378.541341] ? zap_class+0x640/0x640 [ 378.541358] ? print_usage_bug+0xc0/0xc0 [ 378.543584] (U) [ 378.547312] ? do_raw_spin_unlock+0xa7/0x330 [ 378.550489] 1*128kB [ 378.554196] ? zap_class+0x640/0x640 [ 378.558339] (U) [ 378.560322] ? print_usage_bug+0xc0/0xc0 [ 378.564809] 1*256kB (U) [ 378.567152] ? wq_watchdog_touch+0x9c/0xfe [ 378.570868] 0*512kB [ 378.572849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.576885] 1*1024kB [ 378.579554] ? check_preemption_disabled+0x48/0x280 [ 378.583787] (U) [ 378.586114] ? __lock_is_held+0xb5/0x140 [ 378.591644] 1*2048kB (M) [ 378.594083] __alloc_pages_nodemask+0xa80/0xde0 [ 378.599071] 3*4096kB [ 378.601050] ? zap_class+0x640/0x640 [ 378.605101] (M) [ 378.607862] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 378.612511] = 15908kB [ 378.614924] ? find_held_lock+0x36/0x1c0 [ 378.618619] Node 0 [ 378.620603] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.625588] DMA32: 5*4kB [ 378.628005] ? lock_downgrade+0x900/0x900 [ 378.632056] (M) [ 378.634307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.638952] 1*8kB [ 378.641709] cache_grow_begin+0xa5/0x8c0 [ 378.645844] (U) 4*16kB [ 378.647847] ? do_raw_spin_unlock+0xa7/0x330 [ 378.653362] (M) 2*32kB [ 378.655535] fallback_alloc+0x204/0x2e0 [ 378.659592] (M) [ 378.662197] ____cache_alloc_node+0x1c7/0x1e0 [ 378.666581] 4*64kB (UM) [ 378.669183] kmem_cache_alloc_node+0xe3/0x730 [ 378.673133] 3*128kB [ 378.675126] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.679598] (M) [ 378.682271] __alloc_skb+0x119/0x770 [ 378.686751] 4*256kB [ 378.689077] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.693292] (UM) [ 378.695278] ? netdev_alloc_frag+0x1f0/0x1f0 [ 378.698984] 3*512kB [ 378.701335] ? lock_downgrade+0x900/0x900 [ 378.706604] (M) [ 378.708672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.713056] 3*1024kB [ 378.715383] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.719508] (UM) [ 378.721487] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.726999] 3*2048kB [ 378.729408] ? addrconf_rs_timer+0x690/0x690 [ 378.734829] (UM) 3*4096kB [ 378.736918] ndisc_alloc_skb+0x144/0x340 [ 378.742341] (M) [ 378.744746] ndisc_send_rs+0x331/0x6e0 [ 378.749132] = 24860kB [ 378.751977] addrconf_rs_timer+0x314/0x690 [ 378.756027] Node 0 [ 378.758015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.761879] Normal: [ 378.764303] call_timer_fn+0x272/0x920 [ 378.768511] 767*4kB [ 378.770747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.774956] (UME) [ 378.777279] ? process_timeout+0x40/0x40 [ 378.781155] 454*8kB [ 378.783484] ? mark_held_locks+0xc7/0x130 [ 378.787692] (ME) [ 378.789845] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.793880] 185*16kB [ 378.796198] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.800342] (UME) [ 378.802402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.806895] 80*32kB [ 378.809311] ? lockdep_hardirqs_on+0x296/0x5b0 [ 378.813808] (UME) [ 378.815969] ? trace_hardirqs_on+0xbd/0x310 [ 378.820180] 22*64kB [ 378.822504] ? kasan_check_read+0x11/0x20 [ 378.827058] (M) 1*128kB [ 378.829225] ? __run_timers+0x7da/0xc70 [ 378.833535] (U) [ 378.835862] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.839988] 1*256kB [ 378.842656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.846620] (U) [ 378.848605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.853707] 0*512kB [ 378.856041] __run_timers+0x7e5/0xc70 [ 378.860270] 0*1024kB [ 378.862270] ? timer_fixup_init+0x70/0x70 [ 378.866489] 0*2048kB [ 378.868816] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.872594] 0*4096kB [ 378.875010] ? zap_class+0x640/0x640 [ 378.879147] = 14012kB [ 378.881557] ? print_usage_bug+0xc0/0xc0 [ 378.886563] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.888967] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.892665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.895073] ? find_held_lock+0x36/0x1c0 [ 378.899116] 163 total pagecache pages [ 378.907950] ? zap_class+0x640/0x640 [ 378.913125] 0 pages in swap cache [ 378.921709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.925776] Swap cache stats: add 0, delete 0, find 0/0 [ 378.929575] ? check_preemption_disabled+0x48/0x280 [ 378.933269] Free swap = 0kB [ 378.936731] ? __lock_is_held+0xb5/0x140 [ 378.942243] Total swap = 0kB [ 378.947628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.952646] 1965979 pages RAM [ 378.955673] ? check_preemption_disabled+0x48/0x280 [ 378.959716] 0 pages HighMem/MovableOnly [ 378.962730] run_timer_softirq+0x52/0xb0 [ 378.968245] 342867 pages reserved [ 378.971354] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.976350] 0 pages cma reserved [ 378.980326] __do_softirq+0x308/0xb7e [ 378.984460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.987842] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 378.987855] ? lock_downgrade+0x900/0x900 [ 378.987872] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 378.992931] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.996255] ? pvclock_read_flags+0x160/0x160 [ 379.000042] ksoftirqd/0 cpuset= [ 379.006534] ? lapic_next_event+0x5a/0x90 [ 379.011049] / [ 379.015213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.020317] mems_allowed=0 [ 379.030628] ? kvm_clock_read+0x18/0x30 [ 379.056640] ? kvm_sched_clock_read+0x9/0x20 [ 379.061051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.066590] ? check_preemption_disabled+0x48/0x280 [ 379.071619] irq_exit+0x17f/0x1c0 [ 379.075076] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.079919] ? smp_reschedule_interrupt+0x109/0x650 [ 379.084955] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.090850] ? interrupt_entry+0xb5/0xc0 [ 379.094917] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.099945] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.104971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.109836] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.114859] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.119876] ? task_prio+0x50/0x50 [ 379.123423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.128977] ? check_preemption_disabled+0x48/0x280 [ 379.134008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.138877] apic_timer_interrupt+0xf/0x20 [ 379.143108] [ 379.145358] RIP: 0010:dump_stack+0x358/0x39d [ 379.149769] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 379.168684] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 379.176397] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 379.183667] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 379.190936] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 379.198219] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 379.205506] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 379.212793] ? dump_stack+0x34f/0x39d [ 379.216614] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.221841] dump_header+0x27b/0xf72 [ 379.225568] ? mark_held_locks+0x130/0x130 [ 379.229807] ? pagefault_out_of_memory+0x197/0x197 [ 379.234752] ? __lock_acquire+0x62f/0x4c20 [ 379.238987] ? zap_class+0x640/0x640 [ 379.242706] ? percpu_ref_get_many+0x240/0x240 [ 379.247322] ? print_usage_bug+0xc0/0xc0 [ 379.251386] ? print_usage_bug+0xc0/0xc0 [ 379.255459] ? zap_class+0x640/0x640 [ 379.259177] ? print_usage_bug+0xc0/0xc0 [ 379.263241] ? print_usage_bug+0xc0/0xc0 [ 379.267321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.272869] ? find_held_lock+0x36/0x1c0 [ 379.276942] ? mark_held_locks+0xc7/0x130 [ 379.281117] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 379.286238] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 379.291345] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 379.295947] ? trace_hardirqs_on+0xbd/0x310 [ 379.300276] ? kasan_check_read+0x11/0x20 [ 379.304441] ? ___ratelimit+0x3b4/0x672 [ 379.308421] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.313530] ? trace_hardirqs_on+0x310/0x310 [ 379.317941] ? lock_downgrade+0x900/0x900 [ 379.322109] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.327211] ? ___ratelimit+0x3b9/0x672 [ 379.331215] ? idr_get_free+0xec0/0xec0 [ 379.335188] ? find_held_lock+0x36/0x1c0 [ 379.339262] oom_kill_process.cold.27+0x10/0x903 [ 379.344033] ? zap_class+0x640/0x640 [ 379.347749] ? check_preemption_disabled+0x48/0x280 [ 379.352786] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.357732] ? kasan_check_read+0x11/0x20 [ 379.361909] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.367218] ? oom_evaluate_task+0x540/0x540 [ 379.371634] ? find_held_lock+0x36/0x1c0 [ 379.375704] ? out_of_memory+0x974/0x1430 [ 379.379859] ? lock_downgrade+0x900/0x900 [ 379.384010] ? check_preemption_disabled+0x48/0x280 [ 379.389053] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.393981] ? kasan_check_read+0x11/0x20 [ 379.398130] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.403418] ? rcu_softirq_qs+0x20/0x20 [ 379.407403] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.412943] ? oom_evaluate_task+0x302/0x540 [ 379.417360] out_of_memory+0xa84/0x1430 [ 379.421349] ? oom_killer_disable+0x3a0/0x3a0 [ 379.425863] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 379.430806] ? __mutex_add_waiter+0x2a0/0x2a0 [ 379.435330] __alloc_pages_slowpath+0x22d4/0x2d70 [ 379.440208] ? warn_alloc+0x120/0x120 [ 379.444029] ? rcu_softirq_qs+0x20/0x20 [ 379.448044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.453620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.459167] ? should_fail+0x22d/0xd01 [ 379.463060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.468634] ? zap_class+0x640/0x640 [ 379.472392] ? __lock_is_held+0xb5/0x140 [ 379.476465] ? mark_held_locks+0x130/0x130 [ 379.480709] ? lock_release+0xa00/0xa00 [ 379.484704] ? perf_trace_sched_process_exec+0x860/0x860 [ 379.490196] ? __might_sleep+0x95/0x190 [ 379.494180] __alloc_pages_nodemask+0xa80/0xde0 [ 379.498864] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 379.503885] ? __page_cache_alloc+0x191/0x5c0 [ 379.508394] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.513324] ? kasan_check_read+0x11/0x20 [ 379.517474] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.522818] ? zap_class+0x640/0x640 [ 379.526560] ? zap_class+0x640/0x640 [ 379.530300] ? zap_class+0x640/0x640 [ 379.534016] ? __do_page_cache_readahead+0x7ce/0x980 [ 379.539135] ? find_held_lock+0x36/0x1c0 [ 379.543205] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 379.548749] alloc_pages_current+0x173/0x350 [ 379.553167] __page_cache_alloc+0x38c/0x5c0 [ 379.557494] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.562428] ? kasan_check_read+0x11/0x20 [ 379.566579] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.571866] ? generic_perform_write+0x6a0/0x6a0 [ 379.576626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.582176] ? check_preemption_disabled+0x48/0x280 [ 379.587205] filemap_fault+0x1594/0x25f0 [ 379.591308] ? __lock_page_or_retry+0xa00/0xa00 [ 379.595993] ? mark_held_locks+0x130/0x130 [ 379.600250] ? rcu_softirq_qs+0x20/0x20 [ 379.604241] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 379.609364] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 379.613954] ? trace_hardirqs_on+0xbd/0x310 [ 379.618293] ? filemap_map_pages+0xe04/0x1990 [ 379.622806] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.627919] ? __free_object+0x173/0x340 [ 379.631985] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 379.636923] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.642031] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 379.646719] ? debug_object_free+0x32d/0x690 [ 379.651133] ? kasan_check_read+0x11/0x20 [ 379.655295] ? debug_object_destroy+0x2b0/0x2b0 [ 379.659979] ? lock_pi_update_atomic+0x150/0x150 [ 379.664738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.670281] ? __hrtimer_init+0xdb/0x240 [ 379.674386] ? lock_acquire+0x1ed/0x520 [ 379.678361] ? ext4_filemap_fault+0x7a/0xad [ 379.682692] ? lock_release+0xa00/0xa00 [ 379.686668] ? perf_trace_sched_process_exec+0x860/0x860 [ 379.692134] ? print_usage_bug+0xc0/0xc0 [ 379.696207] ? print_usage_bug+0xc0/0xc0 [ 379.700280] ? down_read+0x8d/0x120 [ 379.703916] ? ext4_filemap_fault+0x7a/0xad [ 379.708264] ? __down_interruptible+0x700/0x700 [ 379.712968] ext4_filemap_fault+0x82/0xad [ 379.717128] __do_fault+0x100/0x6b0 [ 379.720763] ? pmd_devmap_trans_unstable+0x220/0x220 [ 379.725887] ? mark_held_locks+0x130/0x130 [ 379.730137] ? mark_held_locks+0x130/0x130 [ 379.734395] ? debug_smp_processor_id+0x1c/0x20 [ 379.739069] ? perf_trace_lock+0x14d/0x7a0 [ 379.743339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.748888] __handle_mm_fault+0x307c/0x5920 [ 379.753303] ? perf_trace_lock+0x7a0/0x7a0 [ 379.757555] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 379.762412] ? lock_is_held_type+0x210/0x210 [ 379.766837] ? ksys_dup3+0x680/0x680 [ 379.770925] ? zap_class+0x640/0x640 [ 379.774643] ? zap_class+0x640/0x640 [ 379.778358] ? __x64_sys_futex+0x53e/0x6a0 [ 379.782600] ? find_held_lock+0x36/0x1c0 [ 379.786692] ? handle_mm_fault+0x42a/0xc70 [ 379.790959] ? lock_downgrade+0x900/0x900 [ 379.795111] ? check_preemption_disabled+0x48/0x280 [ 379.800165] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.805101] ? kasan_check_read+0x11/0x20 [ 379.809252] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.814540] ? rcu_softirq_qs+0x20/0x20 [ 379.818518] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.823626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.829182] ? check_preemption_disabled+0x48/0x280 [ 379.834223] handle_mm_fault+0x54f/0xc70 [ 379.838298] ? __handle_mm_fault+0x5920/0x5920 [ 379.842885] ? find_vma+0x34/0x190 [ 379.846460] __do_page_fault+0x5e8/0xe60 [ 379.850523] ? trace_hardirqs_off+0xb8/0x310 [ 379.854950] ? kernel_write+0x120/0x120 [ 379.858957] do_page_fault+0xf2/0x7e0 [ 379.862774] ? vmalloc_sync_all+0x30/0x30 [ 379.866925] ? error_entry+0x70/0xd0 [ 379.870651] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.875678] ? trace_hardirqs_on_caller+0xc0/0x310 [ 379.880618] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.885548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.890395] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.895413] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.900869] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.905886] ? page_fault+0x8/0x30 [ 379.909432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.914321] ? page_fault+0x8/0x30 [ 379.917884] page_fault+0x1e/0x30 [ 379.921338] RIP: 0033:0x45ddf3 [ 379.924546] Code: Bad RIP value. [ 379.927927] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 379.933302] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 379.940576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 379.947886] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 379.955155] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 379.962425] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 379.969894] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 379.969974] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.976407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.976417] Call Trace: [ 379.982986] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.992253] dump_stack+0x244/0x39d [ 379.994817] syz-fuzzer cpuset= [ 380.005040] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.008665] / [ 380.011866] warn_alloc.cold.117+0xb7/0x1bd [ 380.017025] mems_allowed=0 [ 380.025986] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.030872] ? lock_downgrade+0x900/0x900 [ 380.035032] ? trace_hardirqs_off+0xb8/0x310 [ 380.039466] ? trace_hardirqs_off+0xb8/0x310 [ 380.043884] __alloc_pages_slowpath+0x2660/0x2d70 [ 380.048758] ? warn_alloc+0x120/0x120 [ 380.052569] ? warn_alloc+0x120/0x120 [ 380.056375] ? print_usage_bug+0xc0/0xc0 [ 380.060441] ? warn_alloc+0x120/0x120 [ 380.064247] ? print_usage_bug+0xc0/0xc0 [ 380.068390] ? __lock_acquire+0x62f/0x4c20 [ 380.072644] ? __lock_acquire+0x62f/0x4c20 [ 380.076886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.082451] ? should_fail+0x22d/0xd01 [ 380.086352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.091461] ? __lock_acquire+0x62f/0x4c20 [ 380.095700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.100802] ? __lock_acquire+0x62f/0x4c20 [ 380.105053] ? should_fail+0x22d/0xd01 [ 380.108942] ? find_held_lock+0x36/0x1c0 [ 380.113017] ? mark_held_locks+0x130/0x130 [ 380.117277] ? mark_held_locks+0x130/0x130 [ 380.121537] ? zap_class+0x640/0x640 [ 380.125257] ? zap_class+0x640/0x640 [ 380.128982] ? print_usage_bug+0xc0/0xc0 [ 380.133054] ? do_raw_spin_unlock+0xa7/0x330 [ 380.137469] ? zap_class+0x640/0x640 [ 380.141186] ? print_usage_bug+0xc0/0xc0 [ 380.145269] ? wq_watchdog_touch+0x9c/0xfe [ 380.149543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.155082] ? check_preemption_disabled+0x48/0x280 [ 380.160110] ? __lock_is_held+0xb5/0x140 [ 380.164183] __alloc_pages_nodemask+0xa80/0xde0 [ 380.168850] ? zap_class+0x640/0x640 [ 380.172576] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 380.177605] ? find_held_lock+0x36/0x1c0 [ 380.181681] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.186358] ? lock_downgrade+0x900/0x900 [ 380.190516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.196060] cache_grow_begin+0xa5/0x8c0 [ 380.200143] ? do_raw_spin_unlock+0xa7/0x330 [ 380.204564] fallback_alloc+0x204/0x2e0 [ 380.208549] ____cache_alloc_node+0x1c7/0x1e0 [ 380.213054] kmem_cache_alloc_node+0xe3/0x730 [ 380.217565] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.221816] __alloc_skb+0x119/0x770 [ 380.225546] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.230853] ? netdev_alloc_frag+0x1f0/0x1f0 [ 380.235265] ? lock_downgrade+0x900/0x900 [ 380.239429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.244972] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.250443] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.255912] ? addrconf_rs_timer+0x690/0x690 [ 380.260364] ndisc_alloc_skb+0x144/0x340 [ 380.264439] ndisc_send_rs+0x331/0x6e0 [ 380.268352] addrconf_rs_timer+0x314/0x690 [ 380.272624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.276874] call_timer_fn+0x272/0x920 [ 380.280775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.285015] ? process_timeout+0x40/0x40 [ 380.289104] ? __run_timers+0x7da/0xc70 [ 380.293096] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.297593] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.302085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.306366] ? lockdep_hardirqs_on+0x296/0x5b0 [ 380.310957] ? trace_hardirqs_on+0xbd/0x310 [ 380.315281] ? kasan_check_read+0x11/0x20 [ 380.319463] ? __run_timers+0x7da/0xc70 [ 380.323440] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.328551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.332804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.337042] __run_timers+0x7e5/0xc70 [ 380.340872] ? timer_fixup_init+0x70/0x70 [ 380.345028] ? compat_start_thread+0x80/0x80 [ 380.349456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.355036] ? _raw_spin_unlock_irq+0x60/0x80 [ 380.360002] ? finish_task_switch+0x1f4/0x910 [ 380.364521] ? finish_task_switch+0x1b4/0x910 [ 380.369022] ? __switch_to_asm+0x34/0x70 [ 380.373088] ? preempt_notifier_register+0x200/0x200 [ 380.378193] ? __switch_to_asm+0x34/0x70 [ 380.382269] ? __switch_to_asm+0x40/0x70 [ 380.386349] ? __switch_to_asm+0x34/0x70 [ 380.390413] ? __switch_to_asm+0x40/0x70 [ 380.394491] ? __switch_to_asm+0x34/0x70 [ 380.398552] ? __switch_to_asm+0x40/0x70 [ 380.402614] ? __switch_to_asm+0x40/0x70 [ 380.406686] ? pvclock_read_flags+0x160/0x160 [ 380.411189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.416730] ? check_preemption_disabled+0x48/0x280 [ 380.421756] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 380.427304] ? rcu_pm_notify+0xc0/0xc0 [ 380.431232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.436768] ? check_preemption_disabled+0x48/0x280 [ 380.441788] run_timer_softirq+0x52/0xb0 [ 380.445849] ? rcu_read_lock_sched_held+0x14f/0x180 [ 380.450867] __do_softirq+0x308/0xb7e [ 380.454688] ? retint_kernel+0x2d/0x2d [ 380.458594] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 380.463699] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.469154] ? schedule+0x108/0x460 [ 380.472791] ? __schedule+0x21d0/0x21d0 [ 380.476776] ? trace_hardirqs_off+0xb8/0x310 [ 380.481191] ? smpboot_thread_fn+0x68b/0xa00 [ 380.485599] ? trace_hardirqs_on+0x310/0x310 [ 380.490010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.495588] ? check_preemption_disabled+0x48/0x280 [ 380.500621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.506159] ? takeover_tasklets+0xa90/0xa90 [ 380.510743] run_ksoftirqd+0x5e/0x100 [ 380.514560] smpboot_thread_fn+0x68b/0xa00 [ 380.518801] ? sort_range+0x30/0x30 [ 380.522432] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.527533] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.533072] ? __kthread_parkme+0xfb/0x1a0 [ 380.537322] kthread+0x35a/0x420 [ 380.540697] ? sort_range+0x30/0x30 [ 380.544333] ? kthread_stop+0x900/0x900 [ 380.548318] ret_from_fork+0x3a/0x50 [ 380.552067] warn_alloc_show_mem: 1 callbacks suppressed [ 380.552078] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 380.552080] Mem-Info: [ 380.552111] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 380.552111] active_file:13 inactive_file:12 isolated_file:0 [ 380.552111] unevictable:0 dirty:0 writeback:0 unstable:0 [ 380.552111] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 380.552111] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 380.552111] free:13679 free_pcp:387 free_cma:0 [ 380.557456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.564125] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 380.566528] Call Trace: [ 380.599600] Node 0 [ 380.608948] [ 380.636458] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 380.639022] dump_stack+0x244/0x39d [ 380.641243] lowmem_reserve[]: [ 380.643396] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.668889] 0 2818 [ 380.672555] warn_alloc.cold.117+0xb7/0x1bd [ 380.675619] 6321 6321 [ 380.680846] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.687395] ? lock_downgrade+0x900/0x900 [ 380.689872] Node 0 [ 380.694718] ? trace_hardirqs_off+0xb8/0x310 [ 380.698868] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 380.701091] ? trace_hardirqs_off+0xb8/0x310 [ 380.705472] lowmem_reserve[]: 0 [ 380.732477] __alloc_pages_slowpath+0x2660/0x2d70 [ 380.736861] 0 [ 380.740182] ? warn_alloc+0x120/0x120 [ 380.744978] 3503 [ 380.746781] ? warn_alloc+0x120/0x120 [ 380.750559] 3503 [ 380.752624] ? print_usage_bug+0xc0/0xc0 [ 380.758487] ? warn_alloc+0x120/0x120 [ 380.762531] Node 0 [ 380.766327] ? print_usage_bug+0xc0/0xc0 [ 380.766363] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 380.768575] ? __lock_acquire+0x62f/0x4c20 [ 380.772617] lowmem_reserve[]: [ 380.801000] ? __lock_acquire+0x62f/0x4c20 [ 380.805214] 0 [ 380.808328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.812546] 0 [ 380.814341] ? should_fail+0x22d/0xd01 [ 380.814362] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.819889] 0 [ 380.821716] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.825591] 0 [ 380.830877] ? __lock_acquire+0x62f/0x4c20 [ 380.832660] Node 0 [ 380.837757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.839543] DMA: [ 380.843790] ? __lock_acquire+0x62f/0x4c20 [ 380.846023] 1*4kB [ 380.851131] ? should_fail+0x22d/0xd01 [ 380.853188] (U) [ 380.857422] ? rcu_irq_exit+0x1a2/0x390 [ 380.859548] 0*8kB [ 380.863438] ? mark_held_locks+0x130/0x130 [ 380.865392] 0*16kB [ 380.869378] ? mark_held_locks+0x130/0x130 [ 380.871511] 1*32kB [ 380.875743] ? mark_held_locks+0xc7/0x130 [ 380.877958] (U) [ 380.882188] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 380.884415] 2*64kB [ 380.888557] ? zap_class+0x640/0x640 [ 380.890518] (U) [ 380.895532] ? print_usage_bug+0xc0/0xc0 [ 380.897751] 1*128kB [ 380.901464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.903422] (U) [ 380.907486] ? check_preemption_disabled+0x48/0x280 [ 380.909791] 1*256kB [ 380.915327] ? __lock_is_held+0xb5/0x140 [ 380.917281] (U) [ 380.922315] __alloc_pages_nodemask+0xa80/0xde0 [ 380.924623] 0*512kB [ 380.928678] ? zap_class+0x640/0x640 [ 380.930638] 1*1024kB [ 380.935324] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 380.937636] (U) [ 380.941355] ? find_held_lock+0x36/0x1c0 [ 380.943738] 1*2048kB (M) [ 380.948766] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.950717] 3*4096kB [ 380.954775] ? lock_downgrade+0x900/0x900 [ 380.957508] (M) = 15908kB [ 380.962188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.964574] Node 0 [ 380.968728] cache_grow_begin+0xa5/0x8c0 [ 380.971466] DMA32: [ 380.977000] ? do_raw_spin_unlock+0xa7/0x330 [ 380.979232] 5*4kB [ 380.983311] fallback_alloc+0x204/0x2e0 [ 380.985532] (M) [ 380.989940] ____cache_alloc_node+0x1c7/0x1e0 [ 380.992066] 1*8kB [ 380.996066] kmem_cache_alloc_node+0xe3/0x730 [ 380.998023] (U) [ 381.002514] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.004644] 4*16kB [ 381.009144] __alloc_skb+0x119/0x770 [ 381.011106] (M) [ 381.015341] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.015359] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.017579] 2*32kB [ 381.021308] ? lock_downgrade+0x900/0x900 [ 381.023272] (M) [ 381.028561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.032951] 4*64kB [ 381.035205] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.039341] (UM) [ 381.041331] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.046850] 3*128kB [ 381.049081] ? addrconf_rs_timer+0x690/0x690 [ 381.054528] (M) [ 381.056608] ndisc_alloc_skb+0x144/0x340 [ 381.062027] 4*256kB (UM) [ 381.064374] ndisc_send_rs+0x331/0x6e0 [ 381.068772] 3*512kB [ 381.070745] addrconf_rs_timer+0x314/0x690 [ 381.074790] (M) [ 381.077546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.081418] 3*1024kB [ 381.083758] call_timer_fn+0x272/0x920 [ 381.087962] (UM) [ 381.089956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.094168] 3*2048kB (UM) [ 381.096588] ? process_timeout+0x40/0x40 [ 381.100456] 3*4096kB [ 381.102520] ? mark_held_locks+0xc7/0x130 [ 381.106729] (M) [ 381.109589] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.113629] = 24860kB [ 381.116037] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.120166] Node 0 [ 381.122137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.126613] Normal: [ 381.129025] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.133498] 767*4kB [ 381.135733] ? trace_hardirqs_on+0xbd/0x310 [ 381.139945] (UME) [ 381.142273] ? kasan_check_read+0x11/0x20 [ 381.146843] 454*8kB [ 381.149200] ? __run_timers+0x7da/0xc70 [ 381.153508] (ME) [ 381.155671] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.159799] 185*16kB [ 381.162122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.166076] (UME) [ 381.168139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.173215] 80*32kB (UME) [ 381.175651] __run_timers+0x7e5/0xc70 [ 381.179865] 22*64kB [ 381.182023] ? timer_fixup_init+0x70/0x70 [ 381.186237] (M) 1*128kB [ 381.189093] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.192875] (U) [ 381.195223] ? zap_class+0x640/0x640 [ 381.199354] 1*256kB [ 381.202039] ? print_usage_bug+0xc0/0xc0 [ 381.207047] (U) [ 381.209020] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.212720] 0*512kB [ 381.215043] ? find_held_lock+0x36/0x1c0 [ 381.219080] 0*1024kB [ 381.221051] ? zap_class+0x640/0x640 [ 381.226213] 0*2048kB 0*4096kB [ 381.228560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.232595] = 14012kB [ 381.235001] ? check_preemption_disabled+0x48/0x280 [ 381.238699] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 381.241887] ? __lock_is_held+0xb5/0x140 [ 381.247403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.249804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.254799] 163 total pagecache pages [ 381.263661] ? check_preemption_disabled+0x48/0x280 [ 381.267707] 0 pages in swap cache [ 381.276273] run_timer_softirq+0x52/0xb0 [ 381.281802] Swap cache stats: add 0, delete 0, find 0/0 [ 381.285600] ? rcu_read_lock_sched_held+0x14f/0x180 [ 381.290608] Free swap = 0kB [ 381.294059] __do_softirq+0x308/0xb7e [ 381.298113] Total swap = 0kB [ 381.303473] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 381.308479] 1965979 pages RAM [ 381.311507] ? lock_downgrade+0x900/0x900 [ 381.315277] 0 pages HighMem/MovableOnly [ 381.315295] 342867 pages reserved [ 381.318323] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 381.322797] 0 pages cma reserved [ 381.325926] ? pvclock_read_flags+0x160/0x160 [ 381.330146] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.334062] ? lapic_next_event+0x5a/0x90 [ 381.337609] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.342611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.345978] ksoftirqd/0 cpuset= [ 381.350491] ? kvm_clock_read+0x18/0x30 [ 381.356970] / [ 381.361130] ? kvm_sched_clock_read+0x9/0x20 [ 381.371431] mems_allowed=0 [ 381.376976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.398779] ? check_preemption_disabled+0x48/0x280 [ 381.403809] irq_exit+0x17f/0x1c0 [ 381.407273] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.412150] ? smp_reschedule_interrupt+0x109/0x650 [ 381.417171] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.423063] ? interrupt_entry+0xb5/0xc0 [ 381.427132] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.432149] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.437174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.442025] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.447043] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.452061] ? task_prio+0x50/0x50 [ 381.455609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.461163] ? check_preemption_disabled+0x48/0x280 [ 381.466694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.471555] apic_timer_interrupt+0xf/0x20 [ 381.475784] [ 381.478030] RIP: 0010:dump_stack+0x358/0x39d [ 381.482445] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 381.501375] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 381.509128] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 381.516403] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 381.523680] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 381.530975] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 381.538264] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 381.545578] ? dump_stack+0x34f/0x39d [ 381.549407] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.554621] dump_header+0x27b/0xf72 [ 381.558351] ? mark_held_locks+0x130/0x130 [ 381.562595] ? pagefault_out_of_memory+0x197/0x197 [ 381.567540] ? __lock_acquire+0x62f/0x4c20 [ 381.571780] ? zap_class+0x640/0x640 [ 381.575521] ? percpu_ref_get_many+0x240/0x240 [ 381.580137] ? print_usage_bug+0xc0/0xc0 [ 381.584197] ? print_usage_bug+0xc0/0xc0 [ 381.588308] ? zap_class+0x640/0x640 [ 381.592043] ? print_usage_bug+0xc0/0xc0 [ 381.596104] ? print_usage_bug+0xc0/0xc0 [ 381.600186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.605736] ? find_held_lock+0x36/0x1c0 [ 381.609838] ? mark_held_locks+0xc7/0x130 [ 381.613994] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 381.619100] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 381.624224] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 381.628811] ? trace_hardirqs_on+0xbd/0x310 [ 381.633140] ? kasan_check_read+0x11/0x20 [ 381.637300] ? ___ratelimit+0x3b4/0x672 [ 381.641296] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.646411] ? trace_hardirqs_on+0x310/0x310 [ 381.650839] ? lock_downgrade+0x900/0x900 [ 381.655005] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.660112] ? ___ratelimit+0x3b9/0x672 [ 381.664100] ? idr_get_free+0xec0/0xec0 [ 381.668081] ? find_held_lock+0x36/0x1c0 [ 381.672176] oom_kill_process.cold.27+0x10/0x903 [ 381.676935] ? zap_class+0x640/0x640 [ 381.680650] ? check_preemption_disabled+0x48/0x280 [ 381.685685] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.690625] ? kasan_check_read+0x11/0x20 [ 381.694782] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.700068] ? oom_evaluate_task+0x540/0x540 [ 381.704500] ? find_held_lock+0x36/0x1c0 [ 381.708575] ? out_of_memory+0x974/0x1430 [ 381.712725] ? lock_downgrade+0x900/0x900 [ 381.716891] ? check_preemption_disabled+0x48/0x280 [ 381.721919] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.726856] ? kasan_check_read+0x11/0x20 [ 381.731019] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.736306] ? rcu_softirq_qs+0x20/0x20 [ 381.740305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.745849] ? oom_evaluate_task+0x302/0x540 [ 381.750264] out_of_memory+0xa84/0x1430 [ 381.754261] ? oom_killer_disable+0x3a0/0x3a0 [ 381.758779] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 381.763727] ? __mutex_add_waiter+0x2a0/0x2a0 [ 381.768258] __alloc_pages_slowpath+0x22d4/0x2d70 [ 381.773145] ? warn_alloc+0x120/0x120 [ 381.776948] ? rcu_softirq_qs+0x20/0x20 [ 381.780965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.786526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.792068] ? should_fail+0x22d/0xd01 [ 381.795962] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.801069] ? zap_class+0x640/0x640 [ 381.804807] ? __lock_is_held+0xb5/0x140 [ 381.808896] ? mark_held_locks+0x130/0x130 [ 381.813142] ? lock_release+0xa00/0xa00 [ 381.817118] ? perf_trace_sched_process_exec+0x860/0x860 [ 381.822581] ? __might_sleep+0x95/0x190 [ 381.826566] __alloc_pages_nodemask+0xa80/0xde0 [ 381.831246] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 381.836268] ? __page_cache_alloc+0x191/0x5c0 [ 381.840775] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.845712] ? kasan_check_read+0x11/0x20 [ 381.849888] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.855173] ? zap_class+0x640/0x640 [ 381.858897] ? zap_class+0x640/0x640 [ 381.862613] ? zap_class+0x640/0x640 [ 381.866345] ? __do_page_cache_readahead+0x7ce/0x980 [ 381.871456] ? find_held_lock+0x36/0x1c0 [ 381.875527] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 381.881078] alloc_pages_current+0x173/0x350 [ 381.885527] __page_cache_alloc+0x38c/0x5c0 [ 381.889860] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.894791] ? kasan_check_read+0x11/0x20 [ 381.898951] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.904237] ? generic_perform_write+0x6a0/0x6a0 [ 381.909004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.914542] ? check_preemption_disabled+0x48/0x280 [ 381.919573] filemap_fault+0x1594/0x25f0 [ 381.923649] ? __lock_page_or_retry+0xa00/0xa00 [ 381.928329] ? mark_held_locks+0x130/0x130 [ 381.932569] ? rcu_softirq_qs+0x20/0x20 [ 381.936549] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 381.941662] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 381.946263] ? trace_hardirqs_on+0xbd/0x310 [ 381.950621] ? filemap_map_pages+0xe04/0x1990 [ 381.955137] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.960245] ? __free_object+0x173/0x340 [ 381.964327] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 381.969267] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.974383] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 381.979085] ? debug_object_free+0x32d/0x690 [ 381.983511] ? kasan_check_read+0x11/0x20 [ 381.987669] ? debug_object_destroy+0x2b0/0x2b0 [ 381.992364] ? lock_pi_update_atomic+0x150/0x150 [ 381.997131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.002674] ? __hrtimer_init+0xdb/0x240 [ 382.006752] ? lock_acquire+0x1ed/0x520 [ 382.010750] ? ext4_filemap_fault+0x7a/0xad [ 382.015082] ? lock_release+0xa00/0xa00 [ 382.019057] ? perf_trace_sched_process_exec+0x860/0x860 [ 382.024511] ? print_usage_bug+0xc0/0xc0 [ 382.028582] ? print_usage_bug+0xc0/0xc0 [ 382.032677] ? down_read+0x8d/0x120 [ 382.036322] ? ext4_filemap_fault+0x7a/0xad [ 382.040675] ? __down_interruptible+0x700/0x700 [ 382.045384] ext4_filemap_fault+0x82/0xad [ 382.049562] __do_fault+0x100/0x6b0 [ 382.053199] ? pmd_devmap_trans_unstable+0x220/0x220 [ 382.058320] ? mark_held_locks+0x130/0x130 [ 382.062561] ? mark_held_locks+0x130/0x130 [ 382.066801] ? debug_smp_processor_id+0x1c/0x20 [ 382.071487] ? perf_trace_lock+0x14d/0x7a0 [ 382.075741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.081293] __handle_mm_fault+0x307c/0x5920 [ 382.085727] ? perf_trace_lock+0x7a0/0x7a0 [ 382.090000] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 382.094862] ? lock_is_held_type+0x210/0x210 [ 382.099291] ? ksys_dup3+0x680/0x680 [ 382.103029] ? zap_class+0x640/0x640 [ 382.106748] ? zap_class+0x640/0x640 [ 382.110475] ? __x64_sys_futex+0x53e/0x6a0 [ 382.114718] ? find_held_lock+0x36/0x1c0 [ 382.118791] ? handle_mm_fault+0x42a/0xc70 [ 382.123031] ? lock_downgrade+0x900/0x900 [ 382.127182] ? check_preemption_disabled+0x48/0x280 [ 382.132226] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.137172] ? kasan_check_read+0x11/0x20 [ 382.141337] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.146623] ? rcu_softirq_qs+0x20/0x20 [ 382.150637] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.155746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.161291] ? check_preemption_disabled+0x48/0x280 [ 382.166328] handle_mm_fault+0x54f/0xc70 [ 382.170400] ? __handle_mm_fault+0x5920/0x5920 [ 382.174989] ? find_vma+0x34/0x190 [ 382.178537] __do_page_fault+0x5e8/0xe60 [ 382.182599] ? trace_hardirqs_off+0xb8/0x310 [ 382.187009] ? kernel_write+0x120/0x120 [ 382.191022] do_page_fault+0xf2/0x7e0 [ 382.194850] ? vmalloc_sync_all+0x30/0x30 [ 382.199040] ? error_entry+0x70/0xd0 [ 382.202758] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.207799] ? trace_hardirqs_on_caller+0xc0/0x310 [ 382.212755] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.217686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.222535] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.227555] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.233031] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.238123] ? page_fault+0x8/0x30 [ 382.241676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.246537] ? page_fault+0x8/0x30 [ 382.250099] page_fault+0x1e/0x30 [ 382.253559] RIP: 0033:0x45ddf3 [ 382.256769] Code: Bad RIP value. [ 382.260132] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 382.265505] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 382.272778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 382.280051] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 382.287334] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 382.294627] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 382.301946] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 382.302024] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.308457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.308463] Call Trace: [ 382.308487] dump_stack+0x244/0x39d [ 382.308505] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.315057] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.324387] warn_alloc.cold.117+0xb7/0x1bd [ 382.326989] syz-fuzzer cpuset= [ 382.330631] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.335830] / [ 382.346081] ? lock_downgrade+0x900/0x900 [ 382.350385] mems_allowed=0 [ 382.353580] ? trace_hardirqs_off+0xb8/0x310 [ 382.371781] ? trace_hardirqs_off+0xb8/0x310 [ 382.376222] __alloc_pages_slowpath+0x2660/0x2d70 [ 382.381116] ? warn_alloc+0x120/0x120 [ 382.384926] ? warn_alloc+0x120/0x120 [ 382.388757] ? print_usage_bug+0xc0/0xc0 [ 382.392899] ? warn_alloc+0x120/0x120 [ 382.396732] ? print_usage_bug+0xc0/0xc0 [ 382.400798] ? __lock_acquire+0x62f/0x4c20 [ 382.405035] ? __lock_acquire+0x62f/0x4c20 [ 382.409278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.414824] ? should_fail+0x22d/0xd01 [ 382.418732] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.423841] ? __lock_acquire+0x62f/0x4c20 [ 382.428104] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.433214] ? __lock_acquire+0x62f/0x4c20 [ 382.437473] ? should_fail+0x22d/0xd01 [ 382.441363] ? find_held_lock+0x36/0x1c0 [ 382.445448] ? mark_held_locks+0x130/0x130 [ 382.449691] ? mark_held_locks+0x130/0x130 [ 382.453954] ? zap_class+0x640/0x640 [ 382.457676] ? mark_held_locks+0xc7/0x130 [ 382.461846] ? do_raw_spin_unlock+0xa7/0x330 [ 382.466257] ? zap_class+0x640/0x640 [ 382.469981] ? print_usage_bug+0xc0/0xc0 [ 382.474048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.479591] ? check_preemption_disabled+0x48/0x280 [ 382.484620] ? __lock_is_held+0xb5/0x140 [ 382.488692] __alloc_pages_nodemask+0xa80/0xde0 [ 382.493361] ? zap_class+0x640/0x640 [ 382.497097] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 382.502123] ? find_held_lock+0x36/0x1c0 [ 382.506195] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.510865] ? lock_downgrade+0x900/0x900 [ 382.515023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.520566] cache_grow_begin+0xa5/0x8c0 [ 382.524628] ? do_raw_spin_unlock+0xa7/0x330 [ 382.529045] fallback_alloc+0x204/0x2e0 [ 382.533026] ____cache_alloc_node+0x1c7/0x1e0 [ 382.537531] kmem_cache_alloc_node+0xe3/0x730 [ 382.542030] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.546298] __alloc_skb+0x119/0x770 [ 382.550025] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.555317] ? netdev_alloc_frag+0x1f0/0x1f0 [ 382.559739] ? lock_downgrade+0x900/0x900 [ 382.563908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.569454] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.574921] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.580396] ? addrconf_rs_timer+0x690/0x690 [ 382.584823] ndisc_alloc_skb+0x144/0x340 [ 382.588901] ndisc_send_rs+0x331/0x6e0 [ 382.592795] addrconf_rs_timer+0x314/0x690 [ 382.597040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.601303] call_timer_fn+0x272/0x920 [ 382.605202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.609453] ? process_timeout+0x40/0x40 [ 382.613539] ? __run_timers+0x7da/0xc70 [ 382.617523] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.622055] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.626653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.630892] ? lockdep_hardirqs_on+0x296/0x5b0 [ 382.635489] ? trace_hardirqs_on+0xbd/0x310 [ 382.639816] ? kasan_check_read+0x11/0x20 [ 382.644021] ? __run_timers+0x7da/0xc70 [ 382.648014] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.653129] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.657388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.661632] __run_timers+0x7e5/0xc70 [ 382.665449] ? timer_fixup_init+0x70/0x70 [ 382.669599] ? compat_start_thread+0x80/0x80 [ 382.674017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.679565] ? _raw_spin_unlock_irq+0x60/0x80 [ 382.684067] ? finish_task_switch+0x1f4/0x910 [ 382.688659] ? finish_task_switch+0x1b4/0x910 [ 382.693174] ? __switch_to_asm+0x34/0x70 [ 382.697239] ? preempt_notifier_register+0x200/0x200 [ 382.702362] ? __switch_to_asm+0x34/0x70 [ 382.706448] ? __switch_to_asm+0x40/0x70 [ 382.710511] ? __switch_to_asm+0x34/0x70 [ 382.714574] ? __switch_to_asm+0x40/0x70 [ 382.718634] ? __switch_to_asm+0x34/0x70 [ 382.722698] ? __switch_to_asm+0x40/0x70 [ 382.726763] ? __switch_to_asm+0x40/0x70 [ 382.730835] ? pvclock_read_flags+0x160/0x160 [ 382.735341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.740886] ? check_preemption_disabled+0x48/0x280 [ 382.745917] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 382.751460] ? rcu_pm_notify+0xc0/0xc0 [ 382.755356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.760898] ? check_preemption_disabled+0x48/0x280 [ 382.765939] run_timer_softirq+0x52/0xb0 [ 382.770015] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.775059] __do_softirq+0x308/0xb7e [ 382.778880] ? retint_kernel+0x2d/0x2d [ 382.782773] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.787894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.793365] ? schedule+0x108/0x460 [ 382.797022] ? __schedule+0x21d0/0x21d0 [ 382.801012] ? trace_hardirqs_off+0xb8/0x310 [ 382.805427] ? smpboot_thread_fn+0x68b/0xa00 [ 382.809838] ? trace_hardirqs_on+0x310/0x310 [ 382.814259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.819804] ? check_preemption_disabled+0x48/0x280 [ 382.824819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.830365] ? takeover_tasklets+0xa90/0xa90 [ 382.834779] run_ksoftirqd+0x5e/0x100 [ 382.838585] smpboot_thread_fn+0x68b/0xa00 [ 382.842826] ? sort_range+0x30/0x30 [ 382.846459] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.851563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.857108] ? __kthread_parkme+0xfb/0x1a0 [ 382.861352] kthread+0x35a/0x420 [ 382.864733] ? sort_range+0x30/0x30 [ 382.868363] ? kthread_stop+0x900/0x900 [ 382.872350] ret_from_fork+0x3a/0x50 [ 382.876115] warn_alloc_show_mem: 1 callbacks suppressed [ 382.876127] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 382.876129] Mem-Info: [ 382.876161] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 382.876161] active_file:13 inactive_file:12 isolated_file:0 [ 382.876161] unevictable:0 dirty:0 writeback:0 unstable:0 [ 382.876161] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 382.876161] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 382.876161] free:13679 free_pcp:387 free_cma:0 [ 382.881508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.888181] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 382.890585] Call Trace: [ 382.923457] Node 0 [ 382.932818] [ 382.960346] 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 [ 382.962899] dump_stack+0x244/0x39d [ 382.965114] lowmem_reserve[]: [ 382.967267] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.992765] 0 [ 382.996403] warn_alloc.cold.117+0xb7/0x1bd [ 382.999484] 2818 6321 [ 383.004683] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.006470] 6321 [ 383.010788] ? lock_downgrade+0x900/0x900 [ 383.018111] ? trace_hardirqs_off+0xb8/0x310 [ 383.020160] Node 0 [ 383.024324] ? trace_hardirqs_off+0xb8/0x310 [ 383.028750] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 383.030963] __alloc_pages_slowpath+0x2660/0x2d70 [ 383.035357] lowmem_reserve[]: [ 383.062357] ? warn_alloc+0x120/0x120 [ 383.067155] 0 0 [ 383.070280] ? warn_alloc+0x120/0x120 [ 383.074065] 3503 [ 383.076040] ? print_usage_bug+0xc0/0xc0 [ 383.079825] 3503 [ 383.081903] ? warn_alloc+0x120/0x120 [ 383.085971] Node 0 [ 383.088037] ? print_usage_bug+0xc0/0xc0 [ 383.091838] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 383.094052] ? __lock_acquire+0x62f/0x4c20 [ 383.098103] lowmem_reserve[]: [ 383.126492] ? __lock_acquire+0x62f/0x4c20 [ 383.130712] 0 [ 383.133816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.138039] 0 [ 383.139841] ? should_fail+0x22d/0xd01 [ 383.145358] 0 [ 383.147167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.151026] 0 [ 383.152866] ? __lock_acquire+0x62f/0x4c20 [ 383.157947] Node 0 [ 383.159751] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.163968] DMA: [ 383.166200] ? __lock_acquire+0x62f/0x4c20 [ 383.171291] 1*4kB [ 383.173350] ? should_fail+0x22d/0xd01 [ 383.177573] (U) [ 383.179734] ? find_held_lock+0x36/0x1c0 [ 383.183602] 0*8kB [ 383.185584] ? mark_held_locks+0x130/0x130 [ 383.189622] 0*16kB [ 383.191767] ? mark_held_locks+0x130/0x130 [ 383.195977] 1*32kB [ 383.198208] ? zap_class+0x640/0x640 [ 383.202423] (U) [ 383.204659] ? zap_class+0x640/0x640 [ 383.208364] 2*64kB (U) [ 383.210349] ? print_usage_bug+0xc0/0xc0 [ 383.214042] 1*128kB [ 383.216632] ? do_raw_spin_unlock+0xa7/0x330 [ 383.220670] (U) [ 383.223025] ? zap_class+0x640/0x640 [ 383.227410] 1*256kB (U) [ 383.229389] ? print_usage_bug+0xc0/0xc0 [ 383.233079] 0*512kB [ 383.235748] ? wq_watchdog_touch+0x9c/0xfe [ 383.239785] 1*1024kB [ 383.242109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.246332] (U) [ 383.248743] ? check_preemption_disabled+0x48/0x280 [ 383.254255] 1*2048kB [ 383.256246] ? __lock_is_held+0xb5/0x140 [ 383.261258] (M) [ 383.263691] __alloc_pages_nodemask+0xa80/0xde0 [ 383.267743] 3*4096kB (M) [ 383.269741] ? zap_class+0x640/0x640 [ 383.274396] = 15908kB [ 383.274405] Node 0 [ 383.277160] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 383.280873] DMA32: 5*4kB [ 383.283307] ? find_held_lock+0x36/0x1c0 [ 383.285519] (M) [ 383.290545] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.293281] 1*8kB [ 383.297349] ? lock_downgrade+0x900/0x900 [ 383.299315] (U) [ 383.303994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.306121] 4*16kB [ 383.310302] cache_grow_begin+0xa5/0x8c0 [ 383.312252] (M) [ 383.317800] ? do_raw_spin_unlock+0xa7/0x330 [ 383.320027] 2*32kB [ 383.324092] fallback_alloc+0x204/0x2e0 [ 383.326057] (M) [ 383.330487] ____cache_alloc_node+0x1c7/0x1e0 [ 383.332714] 4*64kB (UM) [ 383.336710] kmem_cache_alloc_node+0xe3/0x730 [ 383.338669] 3*128kB [ 383.343164] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.345812] (M) [ 383.350359] __alloc_skb+0x119/0x770 [ 383.352663] 4*256kB [ 383.356925] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.358891] (UM) [ 383.362611] ? netdev_alloc_frag+0x1f0/0x1f0 [ 383.364916] 3*512kB [ 383.370193] ? lock_downgrade+0x900/0x900 [ 383.372230] (M) 3*1024kB [ 383.376664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.378972] (UM) 3*2048kB [ 383.383159] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.383181] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.385919] (UM) [ 383.391467] ? addrconf_rs_timer+0x690/0x690 [ 383.394322] 3*4096kB [ 383.399799] ndisc_alloc_skb+0x144/0x340 [ 383.405224] (M) [ 383.407310] ndisc_send_rs+0x331/0x6e0 [ 383.411691] = 24860kB [ 383.414098] addrconf_rs_timer+0x314/0x690 [ 383.418137] Node 0 [ 383.420108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.423968] Normal: 767*4kB [ 383.426405] call_timer_fn+0x272/0x920 [ 383.430603] (UME) [ 383.432842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.437049] 454*8kB (ME) [ 383.440079] ? process_timeout+0x40/0x40 [ 383.443949] 185*16kB [ 383.446126] ? mark_held_locks+0xc7/0x130 [ 383.450353] (UME) [ 383.453122] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.457150] 80*32kB (UME) [ 383.459568] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.463973] 22*64kB (M) [ 383.466137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.470608] 1*128kB (U) [ 383.473467] ? lockdep_hardirqs_on+0x296/0x5b0 [ 383.477935] 1*256kB (U) [ 383.480616] ? trace_hardirqs_on+0xbd/0x310 [ 383.484826] 0*512kB [ 383.487507] ? kasan_check_read+0x11/0x20 [ 383.492099] 0*1024kB 0*2048kB [ 383.494790] ? __run_timers+0x7da/0xc70 [ 383.499082] 0*4096kB = 14012kB [ 383.501418] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.505553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.508738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.512718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.512728] 163 total pagecache pages [ 383.515922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.521037] 0 pages in swap cache [ 383.529987] __run_timers+0x7e5/0xc70 [ 383.534206] Swap cache stats: add 0, delete 0, find 0/0 [ 383.542818] ? timer_fixup_init+0x70/0x70 [ 383.546583] Free swap = 0kB [ 383.550814] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.554252] Total swap = 0kB [ 383.554261] 1965979 pages RAM [ 383.558090] ? zap_class+0x640/0x640 [ 383.563435] 0 pages HighMem/MovableOnly [ 383.563445] 342867 pages reserved [ 383.567607] ? print_usage_bug+0xc0/0xc0 [ 383.570609] 0 pages cma reserved [ 383.575625] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 383.578696] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.581740] ? find_held_lock+0x36/0x1c0 [ 383.585483] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.589409] ? zap_class+0x640/0x640 [ 383.592841] ksoftirqd/0 cpuset= [ 383.596913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.600259] / [ 383.605462] ? check_preemption_disabled+0x48/0x280 [ 383.611938] mems_allowed=0 [ 383.615995] ? __lock_is_held+0xb5/0x140 [ 383.652517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.658085] ? check_preemption_disabled+0x48/0x280 [ 383.663149] run_timer_softirq+0x52/0xb0 [ 383.667224] ? rcu_read_lock_sched_held+0x14f/0x180 [ 383.672259] __do_softirq+0x308/0xb7e [ 383.676117] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 383.680614] ? lock_downgrade+0x900/0x900 [ 383.684769] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 383.689895] ? pvclock_read_flags+0x160/0x160 [ 383.694401] ? lapic_next_event+0x5a/0x90 [ 383.698570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.704110] ? kvm_clock_read+0x18/0x30 [ 383.708085] ? kvm_sched_clock_read+0x9/0x20 [ 383.712509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.718053] ? check_preemption_disabled+0x48/0x280 [ 383.723083] irq_exit+0x17f/0x1c0 [ 383.726540] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.731388] ? smp_reschedule_interrupt+0x109/0x650 [ 383.736416] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.742314] ? interrupt_entry+0xb5/0xc0 [ 383.746382] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.751437] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.756467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.761327] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.766357] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.771376] ? task_prio+0x50/0x50 [ 383.774920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.780491] ? check_preemption_disabled+0x48/0x280 [ 383.785546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.790413] apic_timer_interrupt+0xf/0x20 [ 383.794644] [ 383.796925] RIP: 0010:dump_stack+0x358/0x39d [ 383.801350] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 383.820265] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 383.827993] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 383.835273] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 383.842566] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 383.849846] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 383.857118] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 383.864438] ? dump_stack+0x34f/0x39d [ 383.868297] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.873512] dump_header+0x27b/0xf72 [ 383.877238] ? mark_held_locks+0x130/0x130 [ 383.881492] ? pagefault_out_of_memory+0x197/0x197 [ 383.886442] ? __lock_acquire+0x62f/0x4c20 [ 383.890688] ? zap_class+0x640/0x640 [ 383.894409] ? percpu_ref_get_many+0x240/0x240 [ 383.899018] ? print_usage_bug+0xc0/0xc0 [ 383.903091] ? print_usage_bug+0xc0/0xc0 [ 383.907172] ? zap_class+0x640/0x640 [ 383.910903] ? print_usage_bug+0xc0/0xc0 [ 383.914967] ? print_usage_bug+0xc0/0xc0 [ 383.919039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.924594] ? find_held_lock+0x36/0x1c0 [ 383.928669] ? mark_held_locks+0xc7/0x130 [ 383.932833] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 383.937943] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 383.943050] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 383.947646] ? trace_hardirqs_on+0xbd/0x310 [ 383.951972] ? kasan_check_read+0x11/0x20 [ 383.956130] ? ___ratelimit+0x3b4/0x672 [ 383.960116] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.965224] ? trace_hardirqs_on+0x310/0x310 [ 383.969646] ? lock_downgrade+0x900/0x900 [ 383.973819] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 383.978929] ? ___ratelimit+0x3b9/0x672 [ 383.982916] ? idr_get_free+0xec0/0xec0 [ 383.986917] ? find_held_lock+0x36/0x1c0 [ 383.991022] oom_kill_process.cold.27+0x10/0x903 [ 383.995784] ? zap_class+0x640/0x640 [ 383.999502] ? check_preemption_disabled+0x48/0x280 [ 384.004531] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 384.009469] ? kasan_check_read+0x11/0x20 [ 384.013626] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.018930] ? oom_evaluate_task+0x540/0x540 [ 384.023348] ? find_held_lock+0x36/0x1c0 [ 384.027437] ? out_of_memory+0x974/0x1430 [ 384.031596] ? lock_downgrade+0x900/0x900 [ 384.035761] ? check_preemption_disabled+0x48/0x280 [ 384.040799] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 384.045755] ? kasan_check_read+0x11/0x20 [ 384.049936] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.055232] ? rcu_softirq_qs+0x20/0x20 [ 384.059218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.064757] ? oom_evaluate_task+0x302/0x540 [ 384.069173] out_of_memory+0xa84/0x1430 [ 384.073167] ? oom_killer_disable+0x3a0/0x3a0 [ 384.077690] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 384.082624] ? __mutex_add_waiter+0x2a0/0x2a0 [ 384.087177] __alloc_pages_slowpath+0x22d4/0x2d70 [ 384.092085] ? warn_alloc+0x120/0x120 [ 384.095893] ? rcu_softirq_qs+0x20/0x20 [ 384.099899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.105440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.110979] ? should_fail+0x22d/0xd01 [ 384.114882] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.119987] ? zap_class+0x640/0x640 [ 384.123788] ? __lock_is_held+0xb5/0x140 [ 384.127883] ? mark_held_locks+0x130/0x130 [ 384.132126] ? lock_release+0xa00/0xa00 [ 384.136107] ? perf_trace_sched_process_exec+0x860/0x860 [ 384.141568] ? __might_sleep+0x95/0x190 [ 384.145550] __alloc_pages_nodemask+0xa80/0xde0 [ 384.150232] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 384.155258] ? __page_cache_alloc+0x191/0x5c0 [ 384.159772] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 384.164707] ? kasan_check_read+0x11/0x20 [ 384.168860] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.174138] ? zap_class+0x640/0x640 [ 384.177870] ? zap_class+0x640/0x640 [ 384.181588] ? zap_class+0x640/0x640 [ 384.185323] ? __do_page_cache_readahead+0x7ce/0x980 [ 384.190438] ? find_held_lock+0x36/0x1c0 [ 384.194506] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 384.200058] alloc_pages_current+0x173/0x350 [ 384.204485] __page_cache_alloc+0x38c/0x5c0 [ 384.208812] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 384.213748] ? kasan_check_read+0x11/0x20 [ 384.217904] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.223190] ? generic_perform_write+0x6a0/0x6a0 [ 384.227952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.233496] ? check_preemption_disabled+0x48/0x280 [ 384.238532] filemap_fault+0x1594/0x25f0 [ 384.242612] ? __lock_page_or_retry+0xa00/0xa00 [ 384.247333] ? mark_held_locks+0x130/0x130 [ 384.251596] ? rcu_softirq_qs+0x20/0x20 [ 384.255584] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 384.260696] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 384.265281] ? trace_hardirqs_on+0xbd/0x310 [ 384.269628] ? filemap_map_pages+0xe04/0x1990 [ 384.274153] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.279268] ? __free_object+0x173/0x340 [ 384.283341] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 384.288315] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.293429] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 384.298117] ? debug_object_free+0x32d/0x690 [ 384.302543] ? kasan_check_read+0x11/0x20 [ 384.306701] ? debug_object_destroy+0x2b0/0x2b0 [ 384.311384] ? lock_pi_update_atomic+0x150/0x150 [ 384.316145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.321685] ? __hrtimer_init+0xdb/0x240 [ 384.325760] ? lock_acquire+0x1ed/0x520 [ 384.329764] ? ext4_filemap_fault+0x7a/0xad [ 384.334103] ? lock_release+0xa00/0xa00 [ 384.338082] ? perf_trace_sched_process_exec+0x860/0x860 [ 384.343536] ? print_usage_bug+0xc0/0xc0 [ 384.347604] ? print_usage_bug+0xc0/0xc0 [ 384.351682] ? down_read+0x8d/0x120 [ 384.355321] ? ext4_filemap_fault+0x7a/0xad [ 384.359838] ? __down_interruptible+0x700/0x700 [ 384.364519] ext4_filemap_fault+0x82/0xad [ 384.368677] __do_fault+0x100/0x6b0 [ 384.372323] ? pmd_devmap_trans_unstable+0x220/0x220 [ 384.377443] ? mark_held_locks+0x130/0x130 [ 384.381708] ? mark_held_locks+0x130/0x130 [ 384.385961] ? debug_smp_processor_id+0x1c/0x20 [ 384.390636] ? perf_trace_lock+0x14d/0x7a0 [ 384.394883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.400432] __handle_mm_fault+0x307c/0x5920 [ 384.404846] ? perf_trace_lock+0x7a0/0x7a0 [ 384.409095] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 384.413948] ? lock_is_held_type+0x210/0x210 [ 384.418372] ? ksys_dup3+0x680/0x680 [ 384.422099] ? zap_class+0x640/0x640 [ 384.425819] ? zap_class+0x640/0x640 [ 384.429540] ? __x64_sys_futex+0x53e/0x6a0 [ 384.433785] ? find_held_lock+0x36/0x1c0 [ 384.437863] ? handle_mm_fault+0x42a/0xc70 [ 384.442098] ? lock_downgrade+0x900/0x900 [ 384.446251] ? check_preemption_disabled+0x48/0x280 [ 384.451301] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 384.456236] ? kasan_check_read+0x11/0x20 [ 384.460389] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.465673] ? rcu_softirq_qs+0x20/0x20 [ 384.469649] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.474758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.480306] ? check_preemption_disabled+0x48/0x280 [ 384.485353] handle_mm_fault+0x54f/0xc70 [ 384.489426] ? __handle_mm_fault+0x5920/0x5920 [ 384.494022] ? find_vma+0x34/0x190 [ 384.497573] __do_page_fault+0x5e8/0xe60 [ 384.501653] ? trace_hardirqs_off+0xb8/0x310 [ 384.506070] ? kernel_write+0x120/0x120 [ 384.510058] do_page_fault+0xf2/0x7e0 [ 384.513864] ? vmalloc_sync_all+0x30/0x30 [ 384.518016] ? error_entry+0x70/0xd0 [ 384.521733] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.526753] ? trace_hardirqs_on_caller+0xc0/0x310 [ 384.531742] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.536671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.541531] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.546553] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.552026] ? prepare_exit_to_usermode+0x291/0x3b0 [ 384.557049] ? page_fault+0x8/0x30 [ 384.560605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.565456] ? page_fault+0x8/0x30 [ 384.569003] page_fault+0x1e/0x30 [ 384.572486] RIP: 0033:0x45ddf3 [ 384.575704] Code: Bad RIP value. [ 384.579090] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 384.584459] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 384.591739] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 384.599021] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 384.606310] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 384.613603] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 384.620902] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 384.620967] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.627416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.627421] Call Trace: [ 384.627457] dump_stack+0x244/0x39d [ 384.627476] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.634020] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.643346] warn_alloc.cold.117+0xb7/0x1bd [ 384.645896] syz-fuzzer cpuset= [ 384.649526] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.654830] / [ 384.665094] ? lock_downgrade+0x900/0x900 [ 384.669408] mems_allowed=0 [ 384.672603] ? trace_hardirqs_off+0xb8/0x310 [ 384.690662] ? trace_hardirqs_off+0xb8/0x310 [ 384.695098] __alloc_pages_slowpath+0x2660/0x2d70 [ 384.700015] ? warn_alloc+0x120/0x120 [ 384.703824] ? warn_alloc+0x120/0x120 [ 384.707631] ? print_usage_bug+0xc0/0xc0 [ 384.711694] ? warn_alloc+0x120/0x120 [ 384.715507] ? print_usage_bug+0xc0/0xc0 [ 384.719580] ? __lock_acquire+0x62f/0x4c20 [ 384.723818] ? __lock_acquire+0x62f/0x4c20 [ 384.728063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.733609] ? should_fail+0x22d/0xd01 [ 384.737505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.742611] ? __lock_acquire+0x62f/0x4c20 [ 384.746853] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.751972] ? __lock_acquire+0x62f/0x4c20 [ 384.756206] ? should_fail+0x22d/0xd01 [ 384.760098] ? find_held_lock+0x36/0x1c0 [ 384.764180] ? mark_held_locks+0x130/0x130 [ 384.768450] ? mark_held_locks+0x130/0x130 [ 384.772698] ? zap_class+0x640/0x640 [ 384.776421] ? zap_class+0x640/0x640 [ 384.780143] ? print_usage_bug+0xc0/0xc0 [ 384.784207] ? do_raw_spin_unlock+0xa7/0x330 [ 384.788634] ? zap_class+0x640/0x640 [ 384.792354] ? print_usage_bug+0xc0/0xc0 [ 384.796429] ? wq_watchdog_touch+0x9c/0xfe [ 384.800672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.806228] ? check_preemption_disabled+0x48/0x280 [ 384.811265] ? __lock_is_held+0xb5/0x140 [ 384.815366] __alloc_pages_nodemask+0xa80/0xde0 [ 384.820058] ? zap_class+0x640/0x640 [ 384.823784] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 384.828825] ? find_held_lock+0x36/0x1c0 [ 384.832939] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.837618] ? lock_downgrade+0x900/0x900 [ 384.841778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.847336] cache_grow_begin+0xa5/0x8c0 [ 384.851402] ? do_raw_spin_unlock+0xa7/0x330 [ 384.855820] fallback_alloc+0x204/0x2e0 [ 384.859806] ____cache_alloc_node+0x1c7/0x1e0 [ 384.864315] kmem_cache_alloc_node+0xe3/0x730 [ 384.868820] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.873081] __alloc_skb+0x119/0x770 [ 384.876803] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.882092] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.886505] ? lock_downgrade+0x900/0x900 [ 384.890667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.896215] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.901678] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.907135] ? addrconf_rs_timer+0x690/0x690 [ 384.911562] ndisc_alloc_skb+0x144/0x340 [ 384.915634] ndisc_send_rs+0x331/0x6e0 [ 384.919534] addrconf_rs_timer+0x314/0x690 [ 384.923788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.928041] call_timer_fn+0x272/0x920 [ 384.931927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.936167] ? process_timeout+0x40/0x40 [ 384.940279] ? __run_timers+0x7da/0xc70 [ 384.944278] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.948787] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.953304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.957556] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.962145] ? trace_hardirqs_on+0xbd/0x310 [ 384.966475] ? kasan_check_read+0x11/0x20 [ 384.970629] ? __run_timers+0x7da/0xc70 [ 384.974621] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.979733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.983983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.988226] __run_timers+0x7e5/0xc70 [ 384.992046] ? timer_fixup_init+0x70/0x70 [ 384.996203] ? compat_start_thread+0x80/0x80 [ 385.000617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.006169] ? _raw_spin_unlock_irq+0x60/0x80 [ 385.010683] ? finish_task_switch+0x1f4/0x910 [ 385.015199] ? finish_task_switch+0x1b4/0x910 [ 385.019700] ? __switch_to_asm+0x34/0x70 [ 385.023767] ? preempt_notifier_register+0x200/0x200 [ 385.028891] ? __switch_to_asm+0x34/0x70 [ 385.032967] ? __switch_to_asm+0x40/0x70 [ 385.037029] ? __switch_to_asm+0x34/0x70 [ 385.041090] ? __switch_to_asm+0x40/0x70 [ 385.045154] ? __switch_to_asm+0x34/0x70 [ 385.049218] ? __switch_to_asm+0x40/0x70 [ 385.053281] ? __switch_to_asm+0x40/0x70 [ 385.057371] ? pvclock_read_flags+0x160/0x160 [ 385.061871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.067412] ? check_preemption_disabled+0x48/0x280 [ 385.072448] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 385.077996] ? rcu_pm_notify+0xc0/0xc0 [ 385.081888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.087449] ? check_preemption_disabled+0x48/0x280 [ 385.092475] run_timer_softirq+0x52/0xb0 [ 385.096539] ? rcu_read_lock_sched_held+0x14f/0x180 [ 385.101556] __do_softirq+0x308/0xb7e [ 385.105365] ? retint_kernel+0x2d/0x2d [ 385.109281] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 385.114405] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.119886] ? schedule+0x108/0x460 [ 385.123520] ? __schedule+0x21d0/0x21d0 [ 385.127507] ? trace_hardirqs_off+0xb8/0x310 [ 385.131923] ? smpboot_thread_fn+0x68b/0xa00 [ 385.136344] ? trace_hardirqs_on+0x310/0x310 [ 385.140770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.146332] ? check_preemption_disabled+0x48/0x280 [ 385.151355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.156895] ? takeover_tasklets+0xa90/0xa90 [ 385.161317] run_ksoftirqd+0x5e/0x100 [ 385.165134] smpboot_thread_fn+0x68b/0xa00 [ 385.169386] ? sort_range+0x30/0x30 [ 385.173024] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.178130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.183674] ? __kthread_parkme+0xfb/0x1a0 [ 385.187918] kthread+0x35a/0x420 [ 385.191295] ? sort_range+0x30/0x30 [ 385.194954] ? kthread_stop+0x900/0x900 [ 385.198939] ret_from_fork+0x3a/0x50 [ 385.202669] warn_alloc_show_mem: 1 callbacks suppressed [ 385.202681] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 385.202683] Mem-Info: [ 385.202716] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 385.202716] active_file:13 inactive_file:12 isolated_file:0 [ 385.202716] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.202716] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 385.202716] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 385.202716] free:13679 free_pcp:387 free_cma:0 [ 385.208072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.214772] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 385.217173] Call Trace: [ 385.250053] Node 0 [ 385.259417] [ 385.286956] 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 [ 385.289528] dump_stack+0x244/0x39d [ 385.291733] lowmem_reserve[]: 0 [ 385.293897] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.319384] 2818 6321 [ 385.323072] warn_alloc.cold.117+0xb7/0x1bd [ 385.326319] 6321 [ 385.331521] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.338327] ? lock_downgrade+0x900/0x900 [ 385.340375] Node 0 [ 385.345231] ? trace_hardirqs_off+0xb8/0x310 [ 385.349384] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 385.351604] ? trace_hardirqs_off+0xb8/0x310 [ 385.355986] lowmem_reserve[]: 0 [ 385.382981] __alloc_pages_slowpath+0x2660/0x2d70 [ 385.387375] 0 [ 385.390690] ? warn_alloc+0x120/0x120 [ 385.395488] 3503 [ 385.397300] ? warn_alloc+0x120/0x120 [ 385.401106] 3503 [ 385.403185] ? print_usage_bug+0xc0/0xc0 [ 385.409042] ? warn_alloc+0x120/0x120 [ 385.413098] Node 0 [ 385.416919] ? print_usage_bug+0xc0/0xc0 [ 385.416963] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 385.416970] lowmem_reserve[]: [ 385.419218] ? __lock_acquire+0x62f/0x4c20 [ 385.423278] 0 [ 385.451664] ? __lock_acquire+0x62f/0x4c20 [ 385.454751] 0 [ 385.458987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.460766] 0 [ 385.465499] ? should_fail+0x22d/0xd01 [ 385.467297] 0 [ 385.472836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.474631] Node 0 [ 385.478530] ? __lock_acquire+0x62f/0x4c20 [ 385.480315] DMA: [ 385.485414] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.487633] 1*4kB [ 385.491877] ? __lock_acquire+0x62f/0x4c20 [ 385.493919] (U) [ 385.499018] ? should_fail+0x22d/0xd01 [ 385.501175] 0*8kB [ 385.505408] ? find_held_lock+0x36/0x1c0 [ 385.507388] 0*16kB [ 385.511273] ? mark_held_locks+0x130/0x130 [ 385.513432] 1*32kB [ 385.517489] ? mark_held_locks+0x130/0x130 [ 385.519708] (U) [ 385.523940] ? zap_class+0x640/0x640 [ 385.526158] 2*64kB [ 385.530387] ? zap_class+0x640/0x640 [ 385.532345] (U) [ 385.536073] ? print_usage_bug+0xc0/0xc0 [ 385.538301] 1*128kB [ 385.542012] ? do_raw_spin_unlock+0xa7/0x330 [ 385.543966] (U) [ 385.548036] ? zap_class+0x640/0x640 [ 385.550383] 1*256kB [ 385.554802] ? print_usage_bug+0xc0/0xc0 [ 385.556758] (U) [ 385.560486] ? wq_watchdog_touch+0x9c/0xfe [ 385.562795] 0*512kB [ 385.566853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.568812] 1*1024kB [ 385.573043] ? check_preemption_disabled+0x48/0x280 [ 385.575351] (U) [ 385.580890] ? __lock_is_held+0xb5/0x140 [ 385.583276] 1*2048kB [ 385.588336] __alloc_pages_nodemask+0xa80/0xde0 [ 385.590316] (M) [ 385.594377] ? zap_class+0x640/0x640 [ 385.596775] 3*4096kB [ 385.601439] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 385.603392] (M) [ 385.607114] ? find_held_lock+0x36/0x1c0 [ 385.609498] = 15908kB [ 385.614520] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.616473] Node 0 [ 385.620548] ? lock_downgrade+0x900/0x900 [ 385.622941] DMA32: [ 385.627610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.629840] 5*4kB [ 385.633999] cache_grow_begin+0xa5/0x8c0 [ 385.636236] (M) 1*8kB [ 385.641786] ? do_raw_spin_unlock+0xa7/0x330 [ 385.643922] (U) [ 385.647984] fallback_alloc+0x204/0x2e0 [ 385.650457] 4*16kB (M) [ 385.654879] ____cache_alloc_node+0x1c7/0x1e0 [ 385.656842] 2*32kB (M) [ 385.660853] kmem_cache_alloc_node+0xe3/0x730 [ 385.663412] 4*64kB (UM) [ 385.667915] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.670480] 3*128kB [ 385.674992] __alloc_skb+0x119/0x770 [ 385.677648] (M) 4*256kB [ 385.681898] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.684196] (UM) [ 385.687919] ? netdev_alloc_frag+0x1f0/0x1f0 [ 385.690568] 3*512kB (M) [ 385.695854] ? lock_downgrade+0x900/0x900 [ 385.697916] 3*1024kB (UM) [ 385.702367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.705015] 3*2048kB [ 385.709161] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.711981] (UM) [ 385.717534] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.719928] 3*4096kB [ 385.725384] ? addrconf_rs_timer+0x690/0x690 [ 385.727428] (M) [ 385.732898] ndisc_alloc_skb+0x144/0x340 [ 385.735281] = 24860kB [ 385.739694] ndisc_send_rs+0x331/0x6e0 [ 385.741666] Node 0 [ 385.745724] addrconf_rs_timer+0x314/0x690 [ 385.748112] Normal: [ 385.751997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.754228] 767*4kB [ 385.758481] call_timer_fn+0x272/0x920 [ 385.760781] (UME) [ 385.765008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.767314] 454*8kB [ 385.771216] ? process_timeout+0x40/0x40 [ 385.773351] (ME) [ 385.777605] ? mark_held_locks+0xc7/0x130 [ 385.779899] 185*16kB (UME) [ 385.783968] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.786009] 80*32kB [ 385.790151] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.793085] (UME) [ 385.797578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.799894] 22*64kB (M) [ 385.804398] ? lockdep_hardirqs_on+0x296/0x5b0 [ 385.806529] 1*128kB [ 385.810763] ? trace_hardirqs_on+0xbd/0x310 [ 385.813415] (U) [ 385.818013] ? kasan_check_read+0x11/0x20 [ 385.820316] 1*256kB [ 385.824636] ? __run_timers+0x7da/0xc70 [ 385.826594] (U) [ 385.830754] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.833069] 0*512kB [ 385.837047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.839007] 0*1024kB [ 385.844105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.846405] 0*2048kB 0*4096kB [ 385.850647] __run_timers+0x7e5/0xc70 [ 385.853034] = 14012kB [ 385.857298] ? timer_fixup_init+0x70/0x70 [ 385.860468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 385.864259] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.866668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 385.870807] ? zap_class+0x640/0x640 [ 385.879637] 163 total pagecache pages [ 385.884658] ? print_usage_bug+0xc0/0xc0 [ 385.893220] 0 pages in swap cache [ 385.896938] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.900735] Swap cache stats: add 0, delete 0, find 0/0 [ 385.900744] Free swap = 0kB [ 385.904821] ? find_held_lock+0x36/0x1c0 [ 385.908254] Total swap = 0kB [ 385.913444] ? zap_class+0x640/0x640 [ 385.918788] 1965979 pages RAM [ 385.921819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.925858] 0 pages HighMem/MovableOnly [ 385.928876] ? check_preemption_disabled+0x48/0x280 [ 385.932570] 342867 pages reserved [ 385.935687] ? __lock_is_held+0xb5/0x140 [ 385.941210] 0 pages cma reserved [ 385.941378] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.945209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.950337] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.953705] ? check_preemption_disabled+0x48/0x280 [ 385.957744] ksoftirqd/0 cpuset= [ 385.961106] run_timer_softirq+0x52/0xb0 [ 385.967579] / [ 385.973144] ? rcu_read_lock_sched_held+0x14f/0x180 [ 385.983451] mems_allowed=0 [ 385.988463] __do_softirq+0x308/0xb7e [ 386.009194] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 386.013696] ? lock_downgrade+0x900/0x900 [ 386.017868] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.022981] ? pvclock_read_flags+0x160/0x160 [ 386.027498] ? lapic_next_event+0x5a/0x90 [ 386.031649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.037197] ? kvm_clock_read+0x18/0x30 [ 386.041175] ? kvm_sched_clock_read+0x9/0x20 [ 386.045586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.051125] ? check_preemption_disabled+0x48/0x280 [ 386.056155] irq_exit+0x17f/0x1c0 [ 386.059609] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.064454] ? smp_reschedule_interrupt+0x109/0x650 [ 386.069474] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.075362] ? interrupt_entry+0xb5/0xc0 [ 386.079428] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.084446] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.089467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.094316] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.099337] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.104369] ? task_prio+0x50/0x50 [ 386.107915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.113451] ? check_preemption_disabled+0x48/0x280 [ 386.118478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.123336] apic_timer_interrupt+0xf/0x20 [ 386.127594] [ 386.129838] RIP: 0010:dump_stack+0x358/0x39d [ 386.134257] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 386.153181] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 386.160907] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 386.168176] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 386.175447] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 386.182714] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 386.189985] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 386.197271] ? dump_stack+0x34f/0x39d [ 386.201109] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.206322] dump_header+0x27b/0xf72 [ 386.210046] ? mark_held_locks+0x130/0x130 [ 386.214306] ? pagefault_out_of_memory+0x197/0x197 [ 386.219244] ? __lock_acquire+0x62f/0x4c20 [ 386.223479] ? zap_class+0x640/0x640 [ 386.227197] ? percpu_ref_get_many+0x240/0x240 [ 386.231780] ? print_usage_bug+0xc0/0xc0 [ 386.235847] ? print_usage_bug+0xc0/0xc0 [ 386.239912] ? zap_class+0x640/0x640 [ 386.243643] ? print_usage_bug+0xc0/0xc0 [ 386.247704] ? print_usage_bug+0xc0/0xc0 [ 386.251772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.257343] ? find_held_lock+0x36/0x1c0 [ 386.261415] ? mark_held_locks+0xc7/0x130 [ 386.265567] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 386.270695] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 386.275799] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 386.280388] ? trace_hardirqs_on+0xbd/0x310 [ 386.284711] ? kasan_check_read+0x11/0x20 [ 386.288859] ? ___ratelimit+0x3b4/0x672 [ 386.292867] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.297988] ? trace_hardirqs_on+0x310/0x310 [ 386.302444] ? lock_downgrade+0x900/0x900 [ 386.306613] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.311728] ? ___ratelimit+0x3b9/0x672 [ 386.315706] ? idr_get_free+0xec0/0xec0 [ 386.319681] ? find_held_lock+0x36/0x1c0 [ 386.323753] oom_kill_process.cold.27+0x10/0x903 [ 386.328516] ? zap_class+0x640/0x640 [ 386.332229] ? check_preemption_disabled+0x48/0x280 [ 386.337254] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.342193] ? kasan_check_read+0x11/0x20 [ 386.346345] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.351643] ? oom_evaluate_task+0x540/0x540 [ 386.356205] ? find_held_lock+0x36/0x1c0 [ 386.360297] ? out_of_memory+0x974/0x1430 [ 386.364462] ? lock_downgrade+0x900/0x900 [ 386.368610] ? check_preemption_disabled+0x48/0x280 [ 386.373634] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.378566] ? kasan_check_read+0x11/0x20 [ 386.382717] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.387998] ? rcu_softirq_qs+0x20/0x20 [ 386.391977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.397517] ? oom_evaluate_task+0x302/0x540 [ 386.401934] out_of_memory+0xa84/0x1430 [ 386.405939] ? oom_killer_disable+0x3a0/0x3a0 [ 386.410442] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 386.415378] ? __mutex_add_waiter+0x2a0/0x2a0 [ 386.419888] __alloc_pages_slowpath+0x22d4/0x2d70 [ 386.424774] ? warn_alloc+0x120/0x120 [ 386.428588] ? rcu_softirq_qs+0x20/0x20 [ 386.432590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.438130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.443677] ? should_fail+0x22d/0xd01 [ 386.447571] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.452680] ? zap_class+0x640/0x640 [ 386.456463] ? __lock_is_held+0xb5/0x140 [ 386.460535] ? mark_held_locks+0x130/0x130 [ 386.464780] ? lock_release+0xa00/0xa00 [ 386.468769] ? perf_trace_sched_process_exec+0x860/0x860 [ 386.474260] ? __might_sleep+0x95/0x190 [ 386.478252] __alloc_pages_nodemask+0xa80/0xde0 [ 386.482945] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 386.487995] ? __page_cache_alloc+0x191/0x5c0 [ 386.492492] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.497442] ? kasan_check_read+0x11/0x20 [ 386.501601] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.506885] ? zap_class+0x640/0x640 [ 386.510625] ? zap_class+0x640/0x640 [ 386.514340] ? zap_class+0x640/0x640 [ 386.518062] ? __do_page_cache_readahead+0x7ce/0x980 [ 386.523173] ? find_held_lock+0x36/0x1c0 [ 386.527241] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 386.532785] alloc_pages_current+0x173/0x350 [ 386.537209] __page_cache_alloc+0x38c/0x5c0 [ 386.541537] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.546467] ? kasan_check_read+0x11/0x20 [ 386.550618] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.555902] ? generic_perform_write+0x6a0/0x6a0 [ 386.560663] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.566202] ? check_preemption_disabled+0x48/0x280 [ 386.571268] filemap_fault+0x1594/0x25f0 [ 386.575359] ? __lock_page_or_retry+0xa00/0xa00 [ 386.580082] ? mark_held_locks+0x130/0x130 [ 386.584327] ? rcu_softirq_qs+0x20/0x20 [ 386.588327] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 386.593453] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 386.598062] ? trace_hardirqs_on+0xbd/0x310 [ 386.602406] ? filemap_map_pages+0xe04/0x1990 [ 386.606921] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.612032] ? __free_object+0x173/0x340 [ 386.616121] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 386.621057] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.626181] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 386.630868] ? debug_object_free+0x32d/0x690 [ 386.635299] ? kasan_check_read+0x11/0x20 [ 386.639459] ? debug_object_destroy+0x2b0/0x2b0 [ 386.644140] ? lock_pi_update_atomic+0x150/0x150 [ 386.648917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.654456] ? __hrtimer_init+0xdb/0x240 [ 386.658536] ? lock_acquire+0x1ed/0x520 [ 386.662534] ? ext4_filemap_fault+0x7a/0xad [ 386.666869] ? lock_release+0xa00/0xa00 [ 386.670847] ? perf_trace_sched_process_exec+0x860/0x860 [ 386.676312] ? print_usage_bug+0xc0/0xc0 [ 386.680382] ? print_usage_bug+0xc0/0xc0 [ 386.684458] ? down_read+0x8d/0x120 [ 386.688104] ? ext4_filemap_fault+0x7a/0xad [ 386.692429] ? __down_interruptible+0x700/0x700 [ 386.697146] ext4_filemap_fault+0x82/0xad [ 386.701323] __do_fault+0x100/0x6b0 [ 386.704955] ? pmd_devmap_trans_unstable+0x220/0x220 [ 386.710070] ? mark_held_locks+0x130/0x130 [ 386.714316] ? mark_held_locks+0x130/0x130 [ 386.718553] ? debug_smp_processor_id+0x1c/0x20 [ 386.723263] ? perf_trace_lock+0x14d/0x7a0 [ 386.727523] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.733071] __handle_mm_fault+0x307c/0x5920 [ 386.737484] ? perf_trace_lock+0x7a0/0x7a0 [ 386.741741] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 386.746591] ? lock_is_held_type+0x210/0x210 [ 386.751011] ? ksys_dup3+0x680/0x680 [ 386.754740] ? zap_class+0x640/0x640 [ 386.758454] ? zap_class+0x640/0x640 [ 386.762166] ? __x64_sys_futex+0x53e/0x6a0 [ 386.766434] ? find_held_lock+0x36/0x1c0 [ 386.770510] ? handle_mm_fault+0x42a/0xc70 [ 386.774748] ? lock_downgrade+0x900/0x900 [ 386.778901] ? check_preemption_disabled+0x48/0x280 [ 386.783937] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.788872] ? kasan_check_read+0x11/0x20 [ 386.793023] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.798314] ? rcu_softirq_qs+0x20/0x20 [ 386.802309] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.807448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.812991] ? check_preemption_disabled+0x48/0x280 [ 386.818017] handle_mm_fault+0x54f/0xc70 [ 386.822086] ? __handle_mm_fault+0x5920/0x5920 [ 386.826702] ? find_vma+0x34/0x190 [ 386.830335] __do_page_fault+0x5e8/0xe60 [ 386.834406] ? trace_hardirqs_off+0xb8/0x310 [ 386.838814] ? kernel_write+0x120/0x120 [ 386.842806] do_page_fault+0xf2/0x7e0 [ 386.846616] ? vmalloc_sync_all+0x30/0x30 [ 386.850783] ? error_entry+0x70/0xd0 [ 386.854505] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.859524] ? trace_hardirqs_on_caller+0xc0/0x310 [ 386.864458] ? syscall_return_slowpath+0x5e0/0x5e0 [ 386.869395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.874257] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.879281] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.884786] ? prepare_exit_to_usermode+0x291/0x3b0 [ 386.889832] ? page_fault+0x8/0x30 [ 386.893382] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.898251] ? page_fault+0x8/0x30 [ 386.901820] page_fault+0x1e/0x30 [ 386.905280] RIP: 0033:0x45ddf3 [ 386.908502] Code: Bad RIP value. [ 386.911864] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 386.917323] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 386.924605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 386.931902] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 386.939173] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 386.946441] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 386.953739] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 386.953804] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.960253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.960262] Call Trace: [ 386.960294] dump_stack+0x244/0x39d [ 386.960314] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.966877] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.976270] warn_alloc.cold.117+0xb7/0x1bd [ 386.978832] syz-fuzzer cpuset= [ 386.982487] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.987662] / [ 386.997895] ? lock_downgrade+0x900/0x900 [ 387.002209] mems_allowed=0 [ 387.005404] ? trace_hardirqs_off+0xb8/0x310 [ 387.023401] ? trace_hardirqs_off+0xb8/0x310 [ 387.027830] __alloc_pages_slowpath+0x2660/0x2d70 [ 387.032708] ? warn_alloc+0x120/0x120 [ 387.036520] ? warn_alloc+0x120/0x120 [ 387.040346] ? print_usage_bug+0xc0/0xc0 [ 387.044416] ? warn_alloc+0x120/0x120 [ 387.048224] ? print_usage_bug+0xc0/0xc0 [ 387.052298] ? __lock_acquire+0x62f/0x4c20 [ 387.056542] ? __lock_acquire+0x62f/0x4c20 [ 387.060789] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.066346] ? should_fail+0x22d/0xd01 [ 387.070237] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.075347] ? __lock_acquire+0x62f/0x4c20 [ 387.079589] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.084702] ? __lock_acquire+0x62f/0x4c20 [ 387.088941] ? should_fail+0x22d/0xd01 [ 387.092837] ? find_held_lock+0x36/0x1c0 [ 387.096911] ? mark_held_locks+0x130/0x130 [ 387.101150] ? mark_held_locks+0x130/0x130 [ 387.105412] ? zap_class+0x640/0x640 [ 387.109145] ? mark_held_locks+0xc7/0x130 [ 387.113302] ? do_raw_spin_unlock+0xa7/0x330 [ 387.117717] ? zap_class+0x640/0x640 [ 387.121432] ? print_usage_bug+0xc0/0xc0 [ 387.125550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.131099] ? check_preemption_disabled+0x48/0x280 [ 387.136130] ? __lock_is_held+0xb5/0x140 [ 387.140203] __alloc_pages_nodemask+0xa80/0xde0 [ 387.144879] ? zap_class+0x640/0x640 [ 387.148604] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 387.153661] ? find_held_lock+0x36/0x1c0 [ 387.157761] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.162440] ? lock_downgrade+0x900/0x900 [ 387.166600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.172145] cache_grow_begin+0xa5/0x8c0 [ 387.176205] ? do_raw_spin_unlock+0xa7/0x330 [ 387.180632] fallback_alloc+0x204/0x2e0 [ 387.184616] ____cache_alloc_node+0x1c7/0x1e0 [ 387.189119] kmem_cache_alloc_node+0xe3/0x730 [ 387.193618] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.197873] __alloc_skb+0x119/0x770 [ 387.201606] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.206904] ? netdev_alloc_frag+0x1f0/0x1f0 [ 387.211332] ? lock_downgrade+0x900/0x900 [ 387.215507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.221061] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.226519] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.231988] ? addrconf_rs_timer+0x690/0x690 [ 387.236412] ndisc_alloc_skb+0x144/0x340 [ 387.240484] ndisc_send_rs+0x331/0x6e0 [ 387.244378] addrconf_rs_timer+0x314/0x690 [ 387.248629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.252893] call_timer_fn+0x272/0x920 [ 387.256796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.261035] ? process_timeout+0x40/0x40 [ 387.265109] ? __run_timers+0x7da/0xc70 [ 387.269091] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.273600] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.278121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.282373] ? lockdep_hardirqs_on+0x296/0x5b0 [ 387.286972] ? trace_hardirqs_on+0xbd/0x310 [ 387.291316] ? kasan_check_read+0x11/0x20 [ 387.295480] ? __run_timers+0x7da/0xc70 [ 387.299458] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.304569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.308811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.313067] __run_timers+0x7e5/0xc70 [ 387.316885] ? timer_fixup_init+0x70/0x70 [ 387.321039] ? compat_start_thread+0x80/0x80 [ 387.325491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.331039] ? _raw_spin_unlock_irq+0x60/0x80 [ 387.335541] ? finish_task_switch+0x1f4/0x910 [ 387.340040] ? finish_task_switch+0x1b4/0x910 [ 387.344564] ? __switch_to_asm+0x34/0x70 [ 387.348649] ? preempt_notifier_register+0x200/0x200 [ 387.353773] ? __switch_to_asm+0x34/0x70 [ 387.357847] ? __switch_to_asm+0x40/0x70 [ 387.361906] ? __switch_to_asm+0x34/0x70 [ 387.365965] ? __switch_to_asm+0x40/0x70 [ 387.370030] ? __switch_to_asm+0x34/0x70 [ 387.374092] ? __switch_to_asm+0x40/0x70 [ 387.378158] ? __switch_to_asm+0x40/0x70 [ 387.382246] ? pvclock_read_flags+0x160/0x160 [ 387.386746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.392293] ? check_preemption_disabled+0x48/0x280 [ 387.397356] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 387.402914] ? rcu_pm_notify+0xc0/0xc0 [ 387.406821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.412363] ? check_preemption_disabled+0x48/0x280 [ 387.417397] run_timer_softirq+0x52/0xb0 [ 387.421463] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.426486] __do_softirq+0x308/0xb7e [ 387.430314] ? retint_kernel+0x2d/0x2d [ 387.434216] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.439332] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.444795] ? schedule+0x108/0x460 [ 387.448424] ? __schedule+0x21d0/0x21d0 [ 387.452407] ? trace_hardirqs_off+0xb8/0x310 [ 387.456818] ? smpboot_thread_fn+0x68b/0xa00 [ 387.461232] ? trace_hardirqs_on+0x310/0x310 [ 387.465999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.471543] ? check_preemption_disabled+0x48/0x280 [ 387.476561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.482108] ? takeover_tasklets+0xa90/0xa90 [ 387.486525] run_ksoftirqd+0x5e/0x100 [ 387.490339] smpboot_thread_fn+0x68b/0xa00 [ 387.494581] ? sort_range+0x30/0x30 [ 387.498212] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 387.503332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.508880] ? __kthread_parkme+0xfb/0x1a0 [ 387.513123] kthread+0x35a/0x420 [ 387.516497] ? sort_range+0x30/0x30 [ 387.520125] ? kthread_stop+0x900/0x900 [ 387.524127] ret_from_fork+0x3a/0x50 [ 387.527860] warn_alloc_show_mem: 1 callbacks suppressed [ 387.527885] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 387.527887] Mem-Info: [ 387.527917] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 387.527917] active_file:13 inactive_file:12 isolated_file:0 [ 387.527917] unevictable:0 dirty:0 writeback:0 unstable:0 [ 387.527917] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 387.527917] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 387.527917] free:13679 free_pcp:387 free_cma:0 [ 387.533262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.539947] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 387.542329] Call Trace: [ 387.542363] [ 387.575253] Node 0 [ 387.584634] dump_stack+0x244/0x39d [ 387.612146] 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 [ 387.614723] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.616839] lowmem_reserve[]: 0 [ 387.619092] warn_alloc.cold.117+0xb7/0x1bd [ 387.622689] 2818 [ 387.648212] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.653392] 6321 [ 387.656673] ? lock_downgrade+0x900/0x900 [ 387.660986] 6321 [ 387.663078] ? trace_hardirqs_off+0xb8/0x310 [ 387.667910] Node 0 [ 387.669990] ? trace_hardirqs_off+0xb8/0x310 [ 387.674152] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 387.676197] __alloc_pages_slowpath+0x2660/0x2d70 [ 387.680580] lowmem_reserve[]: [ 387.682881] ? warn_alloc+0x120/0x120 [ 387.687225] 0 0 [ 387.714234] ? warn_alloc+0x120/0x120 [ 387.719053] 3503 [ 387.722154] ? print_usage_bug+0xc0/0xc0 [ 387.725937] 3503 [ 387.727916] ? warn_alloc+0x120/0x120 [ 387.733757] ? print_usage_bug+0xc0/0xc0 [ 387.737807] Node 0 [ 387.739873] ? __lock_acquire+0x62f/0x4c20 [ 387.743678] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 387.747732] ? __lock_acquire+0x62f/0x4c20 [ 387.749941] lowmem_reserve[]: 0 [ 387.754227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.782572] 0 0 [ 387.786836] ? should_fail+0x22d/0xd01 [ 387.790088] 0 [ 387.795621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.801480] ? __lock_acquire+0x62f/0x4c20 [ 387.803263] Node 0 [ 387.808376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.812594] DMA: [ 387.814836] ? __lock_acquire+0x62f/0x4c20 [ 387.819914] 1*4kB [ 387.821973] ? should_fail+0x22d/0xd01 [ 387.826195] (U) [ 387.828354] ? find_held_lock+0x36/0x1c0 [ 387.832222] 0*8kB [ 387.834201] ? mark_held_locks+0x130/0x130 [ 387.838250] 0*16kB 1*32kB [ 387.840443] ? mark_held_locks+0x130/0x130 [ 387.844662] (U) [ 387.847513] ? zap_class+0x640/0x640 [ 387.851725] 2*64kB [ 387.853694] ? zap_class+0x640/0x640 [ 387.857387] (U) [ 387.859621] ? print_usage_bug+0xc0/0xc0 [ 387.863332] 1*128kB [ 387.865314] ? do_raw_spin_unlock+0xa7/0x330 [ 387.869359] (U) 1*256kB [ 387.871696] ? zap_class+0x640/0x640 [ 387.876084] (U) [ 387.878756] ? print_usage_bug+0xc0/0xc0 [ 387.882472] 0*512kB [ 387.884479] ? wq_watchdog_touch+0x9c/0xfe [ 387.888516] 1*1024kB (U) [ 387.890865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.895087] 1*2048kB [ 387.897856] ? check_preemption_disabled+0x48/0x280 [ 387.903401] (M) [ 387.905834] ? __lock_is_held+0xb5/0x140 [ 387.910817] 3*4096kB (M) [ 387.912816] __alloc_pages_nodemask+0xa80/0xde0 [ 387.916850] = 15908kB [ 387.919605] ? zap_class+0x640/0x640 [ 387.924255] Node 0 [ 387.926666] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 387.930378] DMA32: 5*4kB [ 387.932631] ? find_held_lock+0x36/0x1c0 [ 387.938249] (M) [ 387.941013] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.945042] 1*8kB (U) [ 387.947037] ? lock_downgrade+0x900/0x900 [ 387.951676] 4*16kB (M) [ 387.954374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.958495] 2*32kB [ 387.961089] cache_grow_begin+0xa5/0x8c0 [ 387.966616] (M) 4*64kB [ 387.968864] ? do_raw_spin_unlock+0xa7/0x330 [ 387.972903] (UM) [ 387.975490] fallback_alloc+0x204/0x2e0 [ 387.979864] 3*128kB (M) [ 387.981940] ____cache_alloc_node+0x1c7/0x1e0 [ 387.985890] 4*256kB [ 387.988569] kmem_cache_alloc_node+0xe3/0x730 [ 387.993043] (UM) [ 387.995364] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.999832] 3*512kB (M) [ 388.001909] __alloc_skb+0x119/0x770 [ 388.006136] 3*1024kB (UM) [ 388.008822] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.012512] 3*2048kB [ 388.015354] ? netdev_alloc_frag+0x1f0/0x1f0 [ 388.020616] (UM) 3*4096kB [ 388.023042] ? lock_downgrade+0x900/0x900 [ 388.027425] (M) [ 388.030274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.034431] = 24860kB [ 388.036416] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.041948] Node 0 [ 388.044399] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.049826] Normal: 767*4kB [ 388.052067] ? addrconf_rs_timer+0x690/0x690 [ 388.057492] (UME) 454*8kB [ 388.060538] ndisc_alloc_skb+0x144/0x340 [ 388.064908] (ME) 185*16kB [ 388.067761] ndisc_send_rs+0x331/0x6e0 [ 388.071796] (UME) [ 388.074640] addrconf_rs_timer+0x314/0x690 [ 388.078502] 80*32kB (UME) [ 388.080669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.084884] 22*64kB [ 388.087747] call_timer_fn+0x272/0x920 [ 388.091947] (M) [ 388.094282] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.098165] 1*128kB (U) [ 388.100151] ? process_timeout+0x40/0x40 [ 388.104356] 1*256kB (U) [ 388.107061] ? mark_held_locks+0xc7/0x130 [ 388.111099] 0*512kB [ 388.113773] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.117904] 0*1024kB [ 388.120225] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.124710] 0*2048kB [ 388.127145] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.131612] 0*4096kB = 14012kB [ 388.134048] ? lockdep_hardirqs_on+0x296/0x5b0 [ 388.138264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 388.141456] ? trace_hardirqs_on+0xbd/0x310 [ 388.146020] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 388.154864] ? kasan_check_read+0x11/0x20 [ 388.159163] 163 total pagecache pages [ 388.167748] ? __run_timers+0x7da/0xc70 [ 388.171881] 0 pages in swap cache [ 388.175675] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.179626] Swap cache stats: add 0, delete 0, find 0/0 [ 388.179638] Free swap = 0kB [ 388.183091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.188165] Total swap = 0kB [ 388.188174] 1965979 pages RAM [ 388.193547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.196552] 0 pages HighMem/MovableOnly [ 388.200789] __run_timers+0x7e5/0xc70 [ 388.203776] 342867 pages reserved [ 388.203785] 0 pages cma reserved [ 388.206904] ? timer_fixup_init+0x70/0x70 [ 388.211215] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.215111] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.215129] ? zap_class+0x640/0x640 [ 388.219026] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.222397] ? print_usage_bug+0xc0/0xc0 [ 388.225762] ksoftirqd/0 cpuset= [ 388.229910] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.236385] / [ 388.241409] ? find_held_lock+0x36/0x1c0 [ 388.245102] mems_allowed=0 [ 388.255415] ? zap_class+0x640/0x640 [ 388.280304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.285855] ? check_preemption_disabled+0x48/0x280 [ 388.290890] ? __lock_is_held+0xb5/0x140 [ 388.294956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.300501] ? check_preemption_disabled+0x48/0x280 [ 388.305540] run_timer_softirq+0x52/0xb0 [ 388.309615] ? rcu_read_lock_sched_held+0x14f/0x180 [ 388.314666] __do_softirq+0x308/0xb7e [ 388.318507] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 388.323004] ? lock_downgrade+0x900/0x900 [ 388.327182] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 388.332302] ? pvclock_read_flags+0x160/0x160 [ 388.336819] ? lapic_next_event+0x5a/0x90 [ 388.340986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.346533] ? kvm_clock_read+0x18/0x30 [ 388.350509] ? kvm_sched_clock_read+0x9/0x20 [ 388.354924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.360878] ? check_preemption_disabled+0x48/0x280 [ 388.365966] irq_exit+0x17f/0x1c0 [ 388.369428] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.374268] ? smp_reschedule_interrupt+0x109/0x650 [ 388.379353] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.385247] ? interrupt_entry+0xb5/0xc0 [ 388.389321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.394347] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.399390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.404241] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.409262] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.414296] ? task_prio+0x50/0x50 [ 388.417854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.423401] ? check_preemption_disabled+0x48/0x280 [ 388.428448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.433333] apic_timer_interrupt+0xf/0x20 [ 388.437566] [ 388.439820] RIP: 0010:dump_stack+0x358/0x39d [ 388.444236] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 388.463156] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 388.470998] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 388.478278] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 388.485556] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 388.492830] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 388.500116] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 388.507402] ? dump_stack+0x34f/0x39d [ 388.511217] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.516423] dump_header+0x27b/0xf72 [ 388.520176] ? mark_held_locks+0x130/0x130 [ 388.524418] ? pagefault_out_of_memory+0x197/0x197 [ 388.529360] ? __lock_acquire+0x62f/0x4c20 [ 388.533596] ? zap_class+0x640/0x640 [ 388.537321] ? percpu_ref_get_many+0x240/0x240 [ 388.541909] ? print_usage_bug+0xc0/0xc0 [ 388.545973] ? print_usage_bug+0xc0/0xc0 [ 388.550101] ? zap_class+0x640/0x640 [ 388.553821] ? print_usage_bug+0xc0/0xc0 [ 388.557892] ? print_usage_bug+0xc0/0xc0 [ 388.561984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.567526] ? find_held_lock+0x36/0x1c0 [ 388.571598] ? mark_held_locks+0xc7/0x130 [ 388.575756] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.580881] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.585993] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 388.590577] ? trace_hardirqs_on+0xbd/0x310 [ 388.594902] ? kasan_check_read+0x11/0x20 [ 388.599073] ? ___ratelimit+0x3b4/0x672 [ 388.603049] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.608158] ? trace_hardirqs_on+0x310/0x310 [ 388.612573] ? lock_downgrade+0x900/0x900 [ 388.616731] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.621839] ? ___ratelimit+0x3b9/0x672 [ 388.625816] ? idr_get_free+0xec0/0xec0 [ 388.629798] ? find_held_lock+0x36/0x1c0 [ 388.633876] oom_kill_process.cold.27+0x10/0x903 [ 388.638633] ? zap_class+0x640/0x640 [ 388.642348] ? check_preemption_disabled+0x48/0x280 [ 388.647379] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.652326] ? kasan_check_read+0x11/0x20 [ 388.656483] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.661762] ? oom_evaluate_task+0x540/0x540 [ 388.666181] ? find_held_lock+0x36/0x1c0 [ 388.670270] ? out_of_memory+0x974/0x1430 [ 388.674433] ? lock_downgrade+0x900/0x900 [ 388.678588] ? check_preemption_disabled+0x48/0x280 [ 388.683614] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.688547] ? kasan_check_read+0x11/0x20 [ 388.692700] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.697995] ? rcu_softirq_qs+0x20/0x20 [ 388.701980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.707515] ? oom_evaluate_task+0x302/0x540 [ 388.711937] out_of_memory+0xa84/0x1430 [ 388.715923] ? oom_killer_disable+0x3a0/0x3a0 [ 388.720425] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 388.725360] ? __mutex_add_waiter+0x2a0/0x2a0 [ 388.729883] __alloc_pages_slowpath+0x22d4/0x2d70 [ 388.734779] ? warn_alloc+0x120/0x120 [ 388.738589] ? rcu_softirq_qs+0x20/0x20 [ 388.742592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.748136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.753676] ? should_fail+0x22d/0xd01 [ 388.757571] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.762679] ? zap_class+0x640/0x640 [ 388.766419] ? __lock_is_held+0xb5/0x140 [ 388.770499] ? mark_held_locks+0x130/0x130 [ 388.774740] ? lock_release+0xa00/0xa00 [ 388.778715] ? perf_trace_sched_process_exec+0x860/0x860 [ 388.784176] ? __might_sleep+0x95/0x190 [ 388.788177] __alloc_pages_nodemask+0xa80/0xde0 [ 388.792860] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 388.797906] ? __page_cache_alloc+0x191/0x5c0 [ 388.802405] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.807337] ? kasan_check_read+0x11/0x20 [ 388.811490] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.816786] ? zap_class+0x640/0x640 [ 388.820511] ? zap_class+0x640/0x640 [ 388.824228] ? zap_class+0x640/0x640 [ 388.827944] ? __do_page_cache_readahead+0x7ce/0x980 [ 388.833057] ? find_held_lock+0x36/0x1c0 [ 388.837149] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 388.842695] alloc_pages_current+0x173/0x350 [ 388.847110] __page_cache_alloc+0x38c/0x5c0 [ 388.851435] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.856369] ? kasan_check_read+0x11/0x20 [ 388.860519] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.865801] ? generic_perform_write+0x6a0/0x6a0 [ 388.870569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.876135] ? check_preemption_disabled+0x48/0x280 [ 388.881178] filemap_fault+0x1594/0x25f0 [ 388.885253] ? __lock_page_or_retry+0xa00/0xa00 [ 388.889932] ? mark_held_locks+0x130/0x130 [ 388.894171] ? rcu_softirq_qs+0x20/0x20 [ 388.898147] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.903264] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 388.907864] ? trace_hardirqs_on+0xbd/0x310 [ 388.912195] ? filemap_map_pages+0xe04/0x1990 [ 388.916722] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.921849] ? __free_object+0x173/0x340 [ 388.925916] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 388.930863] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.935983] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 388.940691] ? debug_object_free+0x32d/0x690 [ 388.945103] ? kasan_check_read+0x11/0x20 [ 388.949261] ? debug_object_destroy+0x2b0/0x2b0 [ 388.953946] ? lock_pi_update_atomic+0x150/0x150 [ 388.958704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.964242] ? __hrtimer_init+0xdb/0x240 [ 388.968336] ? lock_acquire+0x1ed/0x520 [ 388.972320] ? ext4_filemap_fault+0x7a/0xad [ 388.976653] ? lock_release+0xa00/0xa00 [ 388.980627] ? perf_trace_sched_process_exec+0x860/0x860 [ 388.986083] ? print_usage_bug+0xc0/0xc0 [ 388.990149] ? print_usage_bug+0xc0/0xc0 [ 388.994226] ? down_read+0x8d/0x120 [ 388.997854] ? ext4_filemap_fault+0x7a/0xad [ 389.002180] ? __down_interruptible+0x700/0x700 [ 389.006866] ext4_filemap_fault+0x82/0xad [ 389.011020] __do_fault+0x100/0x6b0 [ 389.014656] ? pmd_devmap_trans_unstable+0x220/0x220 [ 389.019776] ? mark_held_locks+0x130/0x130 [ 389.024043] ? mark_held_locks+0x130/0x130 [ 389.028279] ? debug_smp_processor_id+0x1c/0x20 [ 389.032957] ? perf_trace_lock+0x14d/0x7a0 [ 389.037214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.042760] __handle_mm_fault+0x307c/0x5920 [ 389.047180] ? perf_trace_lock+0x7a0/0x7a0 [ 389.051443] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 389.056307] ? lock_is_held_type+0x210/0x210 [ 389.060727] ? ksys_dup3+0x680/0x680 [ 389.064461] ? zap_class+0x640/0x640 [ 389.068174] ? zap_class+0x640/0x640 [ 389.071903] ? __x64_sys_futex+0x53e/0x6a0 [ 389.076147] ? find_held_lock+0x36/0x1c0 [ 389.080218] ? handle_mm_fault+0x42a/0xc70 [ 389.084455] ? lock_downgrade+0x900/0x900 [ 389.088604] ? check_preemption_disabled+0x48/0x280 [ 389.093648] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.098580] ? kasan_check_read+0x11/0x20 [ 389.102738] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.108025] ? rcu_softirq_qs+0x20/0x20 [ 389.112001] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.117111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.122652] ? check_preemption_disabled+0x48/0x280 [ 389.127692] handle_mm_fault+0x54f/0xc70 [ 389.131760] ? __handle_mm_fault+0x5920/0x5920 [ 389.136351] ? find_vma+0x34/0x190 [ 389.139911] __do_page_fault+0x5e8/0xe60 [ 389.143973] ? trace_hardirqs_off+0xb8/0x310 [ 389.148383] ? kernel_write+0x120/0x120 [ 389.152375] do_page_fault+0xf2/0x7e0 [ 389.156179] ? vmalloc_sync_all+0x30/0x30 [ 389.160342] ? error_entry+0x70/0xd0 [ 389.164070] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.169086] ? trace_hardirqs_on_caller+0xc0/0x310 [ 389.174017] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.178948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.183806] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.188833] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.194312] ? prepare_exit_to_usermode+0x291/0x3b0 [ 389.199335] ? page_fault+0x8/0x30 [ 389.202890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.207739] ? page_fault+0x8/0x30 [ 389.211294] page_fault+0x1e/0x30 [ 389.214758] RIP: 0033:0x45ddf3 [ 389.217962] Code: Bad RIP value. [ 389.221325] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 389.226688] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 389.233964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 389.241234] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 389.248502] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 389.255770] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 389.263073] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 389.263142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.269574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.269579] Call Trace: [ 389.269599] dump_stack+0x244/0x39d [ 389.269621] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.276172] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.285481] warn_alloc.cold.117+0xb7/0x1bd [ 389.288057] syz-fuzzer cpuset= [ 389.291707] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.296883] / [ 389.307110] ? lock_downgrade+0x900/0x900 [ 389.311412] mems_allowed=0 [ 389.314607] ? trace_hardirqs_off+0xb8/0x310 [ 389.332637] ? trace_hardirqs_off+0xb8/0x310 [ 389.337058] __alloc_pages_slowpath+0x2660/0x2d70 [ 389.341954] ? warn_alloc+0x120/0x120 [ 389.345780] ? warn_alloc+0x120/0x120 [ 389.350832] ? print_usage_bug+0xc0/0xc0 [ 389.354932] ? warn_alloc+0x120/0x120 [ 389.358750] ? print_usage_bug+0xc0/0xc0 [ 389.362821] ? __lock_acquire+0x62f/0x4c20 [ 389.367091] ? __lock_acquire+0x62f/0x4c20 [ 389.371367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.376919] ? should_fail+0x22d/0xd01 [ 389.380846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.385955] ? __lock_acquire+0x62f/0x4c20 [ 389.390195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.395308] ? __lock_acquire+0x62f/0x4c20 [ 389.399550] ? should_fail+0x22d/0xd01 [ 389.403451] ? find_held_lock+0x36/0x1c0 [ 389.407529] ? mark_held_locks+0x130/0x130 [ 389.411776] ? mark_held_locks+0x130/0x130 [ 389.416012] ? zap_class+0x640/0x640 [ 389.419742] ? mark_held_locks+0xc7/0x130 [ 389.423891] ? do_raw_spin_unlock+0xa7/0x330 [ 389.428319] ? zap_class+0x640/0x640 [ 389.432048] ? print_usage_bug+0xc0/0xc0 [ 389.436114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.441653] ? check_preemption_disabled+0x48/0x280 [ 389.446705] ? __lock_is_held+0xb5/0x140 [ 389.450789] __alloc_pages_nodemask+0xa80/0xde0 [ 389.455466] ? zap_class+0x640/0x640 [ 389.459186] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 389.464530] ? find_held_lock+0x36/0x1c0 [ 389.468614] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.473315] ? lock_downgrade+0x900/0x900 [ 389.477488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.483035] cache_grow_begin+0xa5/0x8c0 [ 389.487097] ? do_raw_spin_unlock+0xa7/0x330 [ 389.491520] fallback_alloc+0x204/0x2e0 [ 389.495515] ____cache_alloc_node+0x1c7/0x1e0 [ 389.500792] kmem_cache_alloc_node+0xe3/0x730 [ 389.505302] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.509557] __alloc_skb+0x119/0x770 [ 389.513275] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.518572] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.522986] ? lock_downgrade+0x900/0x900 [ 389.527145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.532687] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.538144] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.543621] ? addrconf_rs_timer+0x690/0x690 [ 389.548066] ndisc_alloc_skb+0x144/0x340 [ 389.552136] ndisc_send_rs+0x331/0x6e0 [ 389.556032] addrconf_rs_timer+0x314/0x690 [ 389.560274] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.564543] call_timer_fn+0x272/0x920 [ 389.568459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.572703] ? process_timeout+0x40/0x40 [ 389.576823] ? __run_timers+0x7da/0xc70 [ 389.580805] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.585312] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.589843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.594082] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.598669] ? trace_hardirqs_on+0xbd/0x310 [ 389.602998] ? kasan_check_read+0x11/0x20 [ 389.607157] ? __run_timers+0x7da/0xc70 [ 389.611139] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.616252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.620498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.624735] __run_timers+0x7e5/0xc70 [ 389.628553] ? timer_fixup_init+0x70/0x70 [ 389.632709] ? compat_start_thread+0x80/0x80 [ 389.637125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.642674] ? _raw_spin_unlock_irq+0x60/0x80 [ 389.647181] ? finish_task_switch+0x1f4/0x910 [ 389.651684] ? finish_task_switch+0x1b4/0x910 [ 389.656186] ? __switch_to_asm+0x34/0x70 [ 389.660257] ? preempt_notifier_register+0x200/0x200 [ 389.665377] ? __switch_to_asm+0x34/0x70 [ 389.669441] ? __switch_to_asm+0x40/0x70 [ 389.673511] ? __switch_to_asm+0x34/0x70 [ 389.677572] ? __switch_to_asm+0x40/0x70 [ 389.681640] ? __switch_to_asm+0x34/0x70 [ 389.685704] ? __switch_to_asm+0x40/0x70 [ 389.689771] ? __switch_to_asm+0x40/0x70 [ 389.693849] ? pvclock_read_flags+0x160/0x160 [ 389.698379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.703922] ? check_preemption_disabled+0x48/0x280 [ 389.708951] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 389.714502] ? rcu_pm_notify+0xc0/0xc0 [ 389.718399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.723939] ? check_preemption_disabled+0x48/0x280 [ 389.728964] run_timer_softirq+0x52/0xb0 [ 389.733032] ? rcu_read_lock_sched_held+0x14f/0x180 [ 389.738053] __do_softirq+0x308/0xb7e [ 389.741882] ? retint_kernel+0x2d/0x2d [ 389.745771] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 389.750878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.756346] ? schedule+0x108/0x460 [ 389.759982] ? __schedule+0x21d0/0x21d0 [ 389.763964] ? trace_hardirqs_off+0xb8/0x310 [ 389.768385] ? smpboot_thread_fn+0x68b/0xa00 [ 389.772820] ? trace_hardirqs_on+0x310/0x310 [ 389.777264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.782818] ? check_preemption_disabled+0x48/0x280 [ 389.787835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.793375] ? takeover_tasklets+0xa90/0xa90 [ 389.797798] run_ksoftirqd+0x5e/0x100 [ 389.801600] smpboot_thread_fn+0x68b/0xa00 [ 389.805854] ? sort_range+0x30/0x30 [ 389.809500] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.814606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.820160] ? __kthread_parkme+0xfb/0x1a0 [ 389.824413] kthread+0x35a/0x420 [ 389.827782] ? sort_range+0x30/0x30 [ 389.831411] ? kthread_stop+0x900/0x900 [ 389.835392] ret_from_fork+0x3a/0x50 [ 389.839119] warn_alloc_show_mem: 1 callbacks suppressed [ 389.839131] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 389.839133] Mem-Info: [ 389.839165] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 389.839165] active_file:13 inactive_file:12 isolated_file:0 [ 389.839165] unevictable:0 dirty:0 writeback:0 unstable:0 [ 389.839165] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 389.839165] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 389.839165] free:13679 free_pcp:387 free_cma:0 [ 389.844514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.851202] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 389.853603] Call Trace: [ 389.886487] Node 0 [ 389.895846] [ 389.923354] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 389.925915] dump_stack+0x244/0x39d [ 389.928127] lowmem_reserve[]: [ 389.930279] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.955763] 0 2818 [ 389.959418] warn_alloc.cold.117+0xb7/0x1bd [ 389.962504] 6321 [ 389.967710] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.969931] 6321 [ 389.974253] ? lock_downgrade+0x900/0x900 [ 389.981157] ? trace_hardirqs_off+0xb8/0x310 [ 389.983211] Node 0 [ 389.987360] ? trace_hardirqs_off+0xb8/0x310 [ 389.991773] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 389.993989] __alloc_pages_slowpath+0x2660/0x2d70 [ 389.998373] lowmem_reserve[]: [ 390.025374] ? warn_alloc+0x120/0x120 [ 390.030190] 0 [ 390.033304] ? warn_alloc+0x120/0x120 [ 390.037082] 0 [ 390.038882] ? print_usage_bug+0xc0/0xc0 [ 390.042670] 3503 [ 390.044471] ? warn_alloc+0x120/0x120 [ 390.048509] 3503 [ 390.050573] ? print_usage_bug+0xc0/0xc0 [ 390.056411] ? __lock_acquire+0x62f/0x4c20 [ 390.060450] Node 0 [ 390.064679] ? __lock_acquire+0x62f/0x4c20 [ 390.064716] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 390.066923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.071137] lowmem_reserve[]: [ 390.099502] ? should_fail+0x22d/0xd01 [ 390.105018] 0 [ 390.108121] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.111992] 0 [ 390.113794] ? __lock_acquire+0x62f/0x4c20 [ 390.118876] 0 [ 390.120678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.124891] 0 [ 390.126693] ? __lock_acquire+0x62f/0x4c20 [ 390.131795] Node 0 [ 390.133604] ? should_fail+0x22d/0xd01 [ 390.137820] DMA: [ 390.140061] ? find_held_lock+0x36/0x1c0 [ 390.143931] 1*4kB [ 390.145993] ? mark_held_locks+0x130/0x130 [ 390.150035] (U) [ 390.152198] ? mark_held_locks+0x130/0x130 [ 390.156411] 0*8kB [ 390.158386] ? zap_class+0x640/0x640 [ 390.162604] 0*16kB [ 390.164750] ? zap_class+0x640/0x640 [ 390.168443] 1*32kB [ 390.170679] ? print_usage_bug+0xc0/0xc0 [ 390.174382] (U) 2*64kB [ 390.176628] ? do_raw_spin_unlock+0xa7/0x330 [ 390.180668] (U) [ 390.183251] ? zap_class+0x640/0x640 [ 390.187638] 1*128kB [ 390.189614] ? print_usage_bug+0xc0/0xc0 [ 390.193316] (U) [ 390.195647] ? wq_watchdog_touch+0x9c/0xfe [ 390.199693] 1*256kB [ 390.201678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.205885] (U) [ 390.208208] ? check_preemption_disabled+0x48/0x280 [ 390.213726] 0*512kB [ 390.215706] ? __lock_is_held+0xb5/0x140 [ 390.220706] 1*1024kB [ 390.223033] __alloc_pages_nodemask+0xa80/0xde0 [ 390.227090] (U) [ 390.229508] ? zap_class+0x640/0x640 [ 390.234159] 1*2048kB [ 390.236129] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 390.239848] (M) [ 390.242264] ? find_held_lock+0x36/0x1c0 [ 390.247253] 3*4096kB [ 390.249250] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.253302] (M) [ 390.255723] ? lock_downgrade+0x900/0x900 [ 390.260383] = 15908kB [ 390.262355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.266476] Node 0 [ 390.268886] cache_grow_begin+0xa5/0x8c0 [ 390.274401] DMA32: [ 390.276634] ? do_raw_spin_unlock+0xa7/0x330 [ 390.280675] 5*4kB [ 390.282925] fallback_alloc+0x204/0x2e0 [ 390.287318] (M) [ 390.289476] ____cache_alloc_node+0x1c7/0x1e0 [ 390.293453] 1*8kB [ 390.295447] kmem_cache_alloc_node+0xe3/0x730 [ 390.299915] (U) [ 390.302060] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.306570] 4*16kB (M) [ 390.308558] __alloc_skb+0x119/0x770 [ 390.312774] 2*32kB (M) [ 390.315373] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.319063] 4*64kB [ 390.321657] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.326912] (UM) 3*128kB [ 390.329153] ? lock_downgrade+0x900/0x900 [ 390.333548] (M) 4*256kB [ 390.336324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.340452] (UM) [ 390.343139] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.348649] 3*512kB (M) [ 390.350723] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.356612] 3*1024kB (UM) [ 390.359302] ? addrconf_rs_timer+0x690/0x690 [ 390.364750] 3*2048kB (UM) [ 390.367622] ndisc_alloc_skb+0x144/0x340 [ 390.372009] 3*4096kB [ 390.374858] ndisc_send_rs+0x331/0x6e0 [ 390.378897] (M) [ 390.381320] addrconf_rs_timer+0x314/0x690 [ 390.385188] = 24860kB [ 390.387169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.391397] Node 0 [ 390.393816] call_timer_fn+0x272/0x920 [ 390.398020] Normal: [ 390.400270] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.404149] 767*4kB [ 390.406469] ? process_timeout+0x40/0x40 [ 390.410678] (UME) [ 390.413005] ? mark_held_locks+0xc7/0x130 [ 390.417047] 454*8kB [ 390.419199] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.423330] (ME) [ 390.425648] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.430121] 185*16kB [ 390.432180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.436652] (UME) [ 390.439071] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.443290] 80*32kB (UME) [ 390.445457] ? trace_hardirqs_on+0xbd/0x310 [ 390.450019] 22*64kB [ 390.452866] ? kasan_check_read+0x11/0x20 [ 390.457164] (M) [ 390.459498] ? __run_timers+0x7da/0xc70 [ 390.463623] 1*128kB [ 390.465600] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.469552] (U) [ 390.471872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.476950] 1*256kB (U) [ 390.478965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.483180] 0*512kB [ 390.485862] __run_timers+0x7e5/0xc70 [ 390.490075] 0*1024kB [ 390.492404] ? timer_fixup_init+0x70/0x70 [ 390.496173] 0*2048kB [ 390.498585] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 390.502711] 0*4096kB [ 390.505119] ? zap_class+0x640/0x640 [ 390.510129] = 14012kB [ 390.512541] ? print_usage_bug+0xc0/0xc0 [ 390.516266] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 390.518681] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 390.522756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 390.531585] ? find_held_lock+0x36/0x1c0 [ 390.536753] 163 total pagecache pages [ 390.545348] ? zap_class+0x640/0x640 [ 390.549406] 0 pages in swap cache [ 390.553197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.556891] Swap cache stats: add 0, delete 0, find 0/0 [ 390.560345] ? check_preemption_disabled+0x48/0x280 [ 390.565858] Free swap = 0kB [ 390.571224] ? __lock_is_held+0xb5/0x140 [ 390.576209] Total swap = 0kB [ 390.576218] 1965979 pages RAM [ 390.579235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.583302] 0 pages HighMem/MovableOnly [ 390.586324] ? check_preemption_disabled+0x48/0x280 [ 390.589414] 342867 pages reserved [ 390.594945] run_timer_softirq+0x52/0xb0 [ 390.598902] 0 pages cma reserved [ 390.603915] ? rcu_read_lock_sched_held+0x14f/0x180 [ 390.607436] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.611422] __do_softirq+0x308/0xb7e [ 390.614840] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.619785] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 390.626257] ksoftirqd/0 cpuset= [ 390.630063] ? lock_downgrade+0x900/0x900 [ 390.640353] / [ 390.644851] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 390.648124] mems_allowed=0 [ 390.652275] ? pvclock_read_flags+0x160/0x160 [ 390.666515] ? lapic_next_event+0x5a/0x90 [ 390.670669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.676228] ? kvm_clock_read+0x18/0x30 [ 390.680207] ? kvm_sched_clock_read+0x9/0x20 [ 390.684638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.690177] ? check_preemption_disabled+0x48/0x280 [ 390.695219] irq_exit+0x17f/0x1c0 [ 390.698674] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.703518] ? smp_reschedule_interrupt+0x109/0x650 [ 390.708539] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.714427] ? interrupt_entry+0xb5/0xc0 [ 390.718492] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.723509] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.728538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.733382] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.738399] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.743433] ? task_prio+0x50/0x50 [ 390.746993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.752533] ? check_preemption_disabled+0x48/0x280 [ 390.757557] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.762427] apic_timer_interrupt+0xf/0x20 [ 390.766662] [ 390.768899] RIP: 0010:dump_stack+0x358/0x39d [ 390.773316] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 390.792230] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 390.799965] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 390.807248] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 390.814519] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 390.821788] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 390.829056] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 390.836359] ? dump_stack+0x34f/0x39d [ 390.840176] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.845398] dump_header+0x27b/0xf72 [ 390.849125] ? mark_held_locks+0x130/0x130 [ 390.853362] ? pagefault_out_of_memory+0x197/0x197 [ 390.858310] ? __lock_acquire+0x62f/0x4c20 [ 390.862547] ? zap_class+0x640/0x640 [ 390.866292] ? percpu_ref_get_many+0x240/0x240 [ 390.870912] ? print_usage_bug+0xc0/0xc0 [ 390.874971] ? print_usage_bug+0xc0/0xc0 [ 390.879037] ? zap_class+0x640/0x640 [ 390.882756] ? print_usage_bug+0xc0/0xc0 [ 390.886863] ? print_usage_bug+0xc0/0xc0 [ 390.890936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.896477] ? find_held_lock+0x36/0x1c0 [ 390.900547] ? mark_held_locks+0xc7/0x130 [ 390.904700] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 390.909820] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 390.914942] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 390.919524] ? trace_hardirqs_on+0xbd/0x310 [ 390.923849] ? kasan_check_read+0x11/0x20 [ 390.928013] ? ___ratelimit+0x3b4/0x672 [ 390.931991] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.937108] ? trace_hardirqs_on+0x310/0x310 [ 390.941517] ? lock_downgrade+0x900/0x900 [ 390.945675] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 390.950781] ? ___ratelimit+0x3b9/0x672 [ 390.954755] ? idr_get_free+0xec0/0xec0 [ 390.958733] ? find_held_lock+0x36/0x1c0 [ 390.962815] oom_kill_process.cold.27+0x10/0x903 [ 390.967585] ? zap_class+0x640/0x640 [ 390.971310] ? check_preemption_disabled+0x48/0x280 [ 390.976340] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 390.981272] ? kasan_check_read+0x11/0x20 [ 390.985432] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.990714] ? oom_evaluate_task+0x540/0x540 [ 390.995146] ? find_held_lock+0x36/0x1c0 [ 390.999219] ? out_of_memory+0x974/0x1430 [ 391.003372] ? lock_downgrade+0x900/0x900 [ 391.007520] ? check_preemption_disabled+0x48/0x280 [ 391.012544] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.017491] ? kasan_check_read+0x11/0x20 [ 391.021660] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.026942] ? rcu_softirq_qs+0x20/0x20 [ 391.030936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.036474] ? oom_evaluate_task+0x302/0x540 [ 391.040894] out_of_memory+0xa84/0x1430 [ 391.044891] ? oom_killer_disable+0x3a0/0x3a0 [ 391.049432] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 391.054387] ? __mutex_add_waiter+0x2a0/0x2a0 [ 391.058896] __alloc_pages_slowpath+0x22d4/0x2d70 [ 391.063773] ? warn_alloc+0x120/0x120 [ 391.067578] ? rcu_softirq_qs+0x20/0x20 [ 391.071580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.077122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.082659] ? should_fail+0x22d/0xd01 [ 391.086554] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.091663] ? zap_class+0x640/0x640 [ 391.095406] ? __lock_is_held+0xb5/0x140 [ 391.099511] ? mark_held_locks+0x130/0x130 [ 391.103755] ? lock_release+0xa00/0xa00 [ 391.107732] ? perf_trace_sched_process_exec+0x860/0x860 [ 391.113193] ? __might_sleep+0x95/0x190 [ 391.117202] __alloc_pages_nodemask+0xa80/0xde0 [ 391.121909] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 391.126931] ? __page_cache_alloc+0x191/0x5c0 [ 391.131430] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.136365] ? kasan_check_read+0x11/0x20 [ 391.140535] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.145834] ? zap_class+0x640/0x640 [ 391.149557] ? zap_class+0x640/0x640 [ 391.153314] ? zap_class+0x640/0x640 [ 391.157060] ? __do_page_cache_readahead+0x7ce/0x980 [ 391.162192] ? find_held_lock+0x36/0x1c0 [ 391.166262] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 391.171819] alloc_pages_current+0x173/0x350 [ 391.176242] __page_cache_alloc+0x38c/0x5c0 [ 391.180567] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.185500] ? kasan_check_read+0x11/0x20 [ 391.189650] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.194934] ? generic_perform_write+0x6a0/0x6a0 [ 391.199694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.205234] ? check_preemption_disabled+0x48/0x280 [ 391.210260] filemap_fault+0x1594/0x25f0 [ 391.214346] ? __lock_page_or_retry+0xa00/0xa00 [ 391.219023] ? mark_held_locks+0x130/0x130 [ 391.223322] ? rcu_softirq_qs+0x20/0x20 [ 391.227311] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.232418] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 391.237016] ? trace_hardirqs_on+0xbd/0x310 [ 391.241350] ? filemap_map_pages+0xe04/0x1990 [ 391.245863] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.250986] ? __free_object+0x173/0x340 [ 391.255052] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 391.259993] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.265099] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 391.269785] ? debug_object_free+0x32d/0x690 [ 391.274195] ? kasan_check_read+0x11/0x20 [ 391.278345] ? debug_object_destroy+0x2b0/0x2b0 [ 391.283033] ? lock_pi_update_atomic+0x150/0x150 [ 391.287794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.293345] ? __hrtimer_init+0xdb/0x240 [ 391.297426] ? lock_acquire+0x1ed/0x520 [ 391.301405] ? ext4_filemap_fault+0x7a/0xad [ 391.305734] ? lock_release+0xa00/0xa00 [ 391.309709] ? perf_trace_sched_process_exec+0x860/0x860 [ 391.315162] ? print_usage_bug+0xc0/0xc0 [ 391.319253] ? print_usage_bug+0xc0/0xc0 [ 391.323338] ? down_read+0x8d/0x120 [ 391.326966] ? ext4_filemap_fault+0x7a/0xad [ 391.331314] ? __down_interruptible+0x700/0x700 [ 391.336031] ext4_filemap_fault+0x82/0xad [ 391.340200] __do_fault+0x100/0x6b0 [ 391.343844] ? pmd_devmap_trans_unstable+0x220/0x220 [ 391.348959] ? mark_held_locks+0x130/0x130 [ 391.353215] ? mark_held_locks+0x130/0x130 [ 391.357458] ? debug_smp_processor_id+0x1c/0x20 [ 391.362146] ? perf_trace_lock+0x14d/0x7a0 [ 391.366392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.371937] __handle_mm_fault+0x307c/0x5920 [ 391.376375] ? perf_trace_lock+0x7a0/0x7a0 [ 391.380631] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 391.385488] ? lock_is_held_type+0x210/0x210 [ 391.389908] ? ksys_dup3+0x680/0x680 [ 391.393650] ? zap_class+0x640/0x640 [ 391.397364] ? zap_class+0x640/0x640 [ 391.401080] ? __x64_sys_futex+0x53e/0x6a0 [ 391.405324] ? find_held_lock+0x36/0x1c0 [ 391.409436] ? handle_mm_fault+0x42a/0xc70 [ 391.413702] ? lock_downgrade+0x900/0x900 [ 391.417861] ? check_preemption_disabled+0x48/0x280 [ 391.422902] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.427859] ? kasan_check_read+0x11/0x20 [ 391.432011] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.437302] ? rcu_softirq_qs+0x20/0x20 [ 391.441281] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.446397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.451938] ? check_preemption_disabled+0x48/0x280 [ 391.456965] handle_mm_fault+0x54f/0xc70 [ 391.461033] ? __handle_mm_fault+0x5920/0x5920 [ 391.465742] ? find_vma+0x34/0x190 [ 391.469305] __do_page_fault+0x5e8/0xe60 [ 391.473372] ? trace_hardirqs_off+0xb8/0x310 [ 391.477783] ? kernel_write+0x120/0x120 [ 391.481771] do_page_fault+0xf2/0x7e0 [ 391.485575] ? vmalloc_sync_all+0x30/0x30 [ 391.489726] ? error_entry+0x70/0xd0 [ 391.493444] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.498471] ? trace_hardirqs_on_caller+0xc0/0x310 [ 391.503402] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.508331] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.513187] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.518203] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.523681] ? prepare_exit_to_usermode+0x291/0x3b0 [ 391.528717] ? page_fault+0x8/0x30 [ 391.532277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.537134] ? page_fault+0x8/0x30 [ 391.540679] page_fault+0x1e/0x30 [ 391.544149] RIP: 0033:0x45ddf3 [ 391.547385] Code: Bad RIP value. [ 391.550751] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 391.556150] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 391.563420] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 391.570688] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 391.577956] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 391.585241] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 391.592538] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 391.592605] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.599038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.599043] Call Trace: [ 391.599066] dump_stack+0x244/0x39d [ 391.599085] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.605614] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.614938] warn_alloc.cold.117+0xb7/0x1bd [ 391.617494] syz-fuzzer cpuset= [ 391.621114] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.626304] / [ 391.636533] ? lock_downgrade+0x900/0x900 [ 391.640848] mems_allowed=0 [ 391.644038] ? trace_hardirqs_off+0xb8/0x310 [ 391.662064] ? trace_hardirqs_off+0xb8/0x310 [ 391.666499] __alloc_pages_slowpath+0x2660/0x2d70 [ 391.671378] ? warn_alloc+0x120/0x120 [ 391.675191] ? warn_alloc+0x120/0x120 [ 391.678995] ? print_usage_bug+0xc0/0xc0 [ 391.683071] ? warn_alloc+0x120/0x120 [ 391.686874] ? print_usage_bug+0xc0/0xc0 [ 391.690959] ? __lock_acquire+0x62f/0x4c20 [ 391.695196] ? __lock_acquire+0x62f/0x4c20 [ 391.699440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.705014] ? should_fail+0x22d/0xd01 [ 391.708905] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.714016] ? __lock_acquire+0x62f/0x4c20 [ 391.718261] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.723375] ? __lock_acquire+0x62f/0x4c20 [ 391.727606] ? should_fail+0x22d/0xd01 [ 391.731497] ? find_held_lock+0x36/0x1c0 [ 391.735571] ? mark_held_locks+0x130/0x130 [ 391.739818] ? mark_held_locks+0x130/0x130 [ 391.744055] ? zap_class+0x640/0x640 [ 391.747791] ? zap_class+0x640/0x640 [ 391.751514] ? print_usage_bug+0xc0/0xc0 [ 391.755574] ? do_raw_spin_unlock+0xa7/0x330 [ 391.759990] ? zap_class+0x640/0x640 [ 391.763707] ? print_usage_bug+0xc0/0xc0 [ 391.767768] ? wq_watchdog_touch+0x9c/0xfe [ 391.772014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.777572] ? check_preemption_disabled+0x48/0x280 [ 391.782600] ? __lock_is_held+0xb5/0x140 [ 391.786691] __alloc_pages_nodemask+0xa80/0xde0 [ 391.791375] ? zap_class+0x640/0x640 [ 391.795105] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 391.800155] ? find_held_lock+0x36/0x1c0 [ 391.804248] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.808928] ? lock_downgrade+0x900/0x900 [ 391.813094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.818650] cache_grow_begin+0xa5/0x8c0 [ 391.822714] ? do_raw_spin_unlock+0xa7/0x330 [ 391.827135] fallback_alloc+0x204/0x2e0 [ 391.831124] ____cache_alloc_node+0x1c7/0x1e0 [ 391.835626] kmem_cache_alloc_node+0xe3/0x730 [ 391.840132] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.844390] __alloc_skb+0x119/0x770 [ 391.848112] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.853399] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.857808] ? lock_downgrade+0x900/0x900 [ 391.861985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.867530] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.872990] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.878442] ? addrconf_rs_timer+0x690/0x690 [ 391.882866] ndisc_alloc_skb+0x144/0x340 [ 391.886937] ndisc_send_rs+0x331/0x6e0 [ 391.890832] addrconf_rs_timer+0x314/0x690 [ 391.895072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.899335] call_timer_fn+0x272/0x920 [ 391.903243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.907482] ? process_timeout+0x40/0x40 [ 391.911572] ? __run_timers+0x7da/0xc70 [ 391.915551] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.920047] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.924570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.928811] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.933402] ? trace_hardirqs_on+0xbd/0x310 [ 391.937749] ? kasan_check_read+0x11/0x20 [ 391.941901] ? __run_timers+0x7da/0xc70 [ 391.945879] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.951004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.955247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.959499] __run_timers+0x7e5/0xc70 [ 391.963322] ? timer_fixup_init+0x70/0x70 [ 391.967480] ? compat_start_thread+0x80/0x80 [ 391.971911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.977465] ? _raw_spin_unlock_irq+0x60/0x80 [ 391.981964] ? finish_task_switch+0x1f4/0x910 [ 391.986475] ? finish_task_switch+0x1b4/0x910 [ 391.990997] ? __switch_to_asm+0x34/0x70 [ 391.995078] ? preempt_notifier_register+0x200/0x200 [ 392.000191] ? __switch_to_asm+0x34/0x70 [ 392.004264] ? __switch_to_asm+0x40/0x70 [ 392.008345] ? __switch_to_asm+0x34/0x70 [ 392.012404] ? __switch_to_asm+0x40/0x70 [ 392.016468] ? __switch_to_asm+0x34/0x70 [ 392.020561] ? __switch_to_asm+0x40/0x70 [ 392.024631] ? __switch_to_asm+0x40/0x70 [ 392.028706] ? pvclock_read_flags+0x160/0x160 [ 392.033203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.038742] ? check_preemption_disabled+0x48/0x280 [ 392.043769] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 392.049330] ? rcu_pm_notify+0xc0/0xc0 [ 392.053221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.058758] ? check_preemption_disabled+0x48/0x280 [ 392.063787] run_timer_softirq+0x52/0xb0 [ 392.067860] ? rcu_read_lock_sched_held+0x14f/0x180 [ 392.072879] __do_softirq+0x308/0xb7e [ 392.076683] ? retint_kernel+0x2d/0x2d [ 392.080576] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 392.085693] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.091148] ? schedule+0x108/0x460 [ 392.094779] ? __schedule+0x21d0/0x21d0 [ 392.098763] ? trace_hardirqs_off+0xb8/0x310 [ 392.103174] ? smpboot_thread_fn+0x68b/0xa00 [ 392.107594] ? trace_hardirqs_on+0x310/0x310 [ 392.112004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.117568] ? check_preemption_disabled+0x48/0x280 [ 392.122597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.128137] ? takeover_tasklets+0xa90/0xa90 [ 392.132547] run_ksoftirqd+0x5e/0x100 [ 392.136372] smpboot_thread_fn+0x68b/0xa00 [ 392.140611] ? sort_range+0x30/0x30 [ 392.144254] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.149380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.154924] ? __kthread_parkme+0xfb/0x1a0 [ 392.159171] kthread+0x35a/0x420 [ 392.162539] ? sort_range+0x30/0x30 [ 392.166167] ? kthread_stop+0x900/0x900 [ 392.170144] ret_from_fork+0x3a/0x50 [ 392.173880] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 392.173886] warn_alloc_show_mem: 1 callbacks suppressed [ 392.173893] Mem-Info: [ 392.180562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.185937] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 392.185937] active_file:13 inactive_file:12 isolated_file:0 [ 392.185937] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.185937] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 392.185937] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 392.185937] free:13679 free_pcp:387 free_cma:0 [ 392.188324] Call Trace: [ 392.197733] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.230592] [ 392.233181] Node 0 [ 392.260692] dump_stack+0x244/0x39d [ 392.262856] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 392.262864] lowmem_reserve[]: [ 392.265098] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.268747] 0 [ 392.294269] warn_alloc.cold.117+0xb7/0x1bd [ 392.297344] 2818 6321 [ 392.302542] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.304331] 6321 [ 392.308663] ? lock_downgrade+0x900/0x900 [ 392.315975] ? trace_hardirqs_off+0xb8/0x310 [ 392.318015] Node 0 [ 392.322175] ? trace_hardirqs_off+0xb8/0x310 [ 392.326604] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 392.328833] __alloc_pages_slowpath+0x2660/0x2d70 [ 392.333226] lowmem_reserve[]: 0 [ 392.360532] ? warn_alloc+0x120/0x120 [ 392.365332] 0 [ 392.368610] ? warn_alloc+0x120/0x120 [ 392.372387] 3503 [ 392.374196] ? print_usage_bug+0xc0/0xc0 [ 392.377969] 3503 [ 392.380062] ? warn_alloc+0x120/0x120 [ 392.386172] ? print_usage_bug+0xc0/0xc0 [ 392.389951] Node 0 [ 392.394019] ? __lock_acquire+0x62f/0x4c20 [ 392.394051] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 392.394058] lowmem_reserve[]: [ 392.396326] ? __lock_acquire+0x62f/0x4c20 [ 392.400538] 0 0 [ 392.428926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.432022] 0 [ 392.436250] ? should_fail+0x22d/0xd01 [ 392.438208] 0 [ 392.443742] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.449437] ? __lock_acquire+0x62f/0x4c20 [ 392.451225] Node 0 [ 392.456326] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.460539] DMA: 1*4kB [ 392.462796] ? __lock_acquire+0x62f/0x4c20 [ 392.467907] (U) [ 392.470502] ? should_fail+0x22d/0xd01 [ 392.474715] 0*8kB 0*16kB [ 392.476702] ? find_held_lock+0x36/0x1c0 [ 392.480568] 1*32kB [ 392.483327] ? mark_held_locks+0x130/0x130 [ 392.487376] (U) [ 392.489620] ? mark_held_locks+0x130/0x130 [ 392.493859] 2*64kB [ 392.495849] ? zap_class+0x640/0x640 [ 392.500067] (U) [ 392.502312] ? zap_class+0x640/0x640 [ 392.506012] 1*128kB [ 392.507999] ? print_usage_bug+0xc0/0xc0 [ 392.511695] (U) [ 392.514019] ? do_raw_spin_unlock+0xa7/0x330 [ 392.518059] 1*256kB (U) [ 392.520046] ? zap_class+0x640/0x640 [ 392.524442] 0*512kB [ 392.527153] ? print_usage_bug+0xc0/0xc0 [ 392.530848] 1*1024kB [ 392.533176] ? wq_watchdog_touch+0x9c/0xfe [ 392.537215] (U) [ 392.539635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.543859] 1*2048kB (M) [ 392.545858] ? check_preemption_disabled+0x48/0x280 [ 392.551369] 3*4096kB (M) [ 392.554141] ? __lock_is_held+0xb5/0x140 [ 392.559154] = 15908kB [ 392.561934] __alloc_pages_nodemask+0xa80/0xde0 [ 392.565971] Node 0 [ 392.568381] ? zap_class+0x640/0x640 [ 392.573038] DMA32: 5*4kB [ 392.575327] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 392.579021] (M) 1*8kB [ 392.581796] ? find_held_lock+0x36/0x1c0 [ 392.586789] (U) [ 392.589302] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.593336] 4*16kB (M) [ 392.595329] ? lock_downgrade+0x900/0x900 [ 392.599982] 2*32kB (M) [ 392.602578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.606716] 4*64kB [ 392.609332] cache_grow_begin+0xa5/0x8c0 [ 392.614849] (UM) [ 392.617081] ? do_raw_spin_unlock+0xa7/0x330 [ 392.621120] 3*128kB [ 392.623185] fallback_alloc+0x204/0x2e0 [ 392.627567] (M) [ 392.629887] ____cache_alloc_node+0x1c7/0x1e0 [ 392.633841] 4*256kB [ 392.635838] kmem_cache_alloc_node+0xe3/0x730 [ 392.640312] (UM) [ 392.642636] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.647112] 3*512kB [ 392.649180] __alloc_skb+0x119/0x770 [ 392.653383] (M) 3*1024kB [ 392.655718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.659422] (UM) [ 392.662188] ? netdev_alloc_frag+0x1f0/0x1f0 [ 392.667436] 3*2048kB (UM) [ 392.669508] ? lock_downgrade+0x900/0x900 [ 392.673913] 3*4096kB [ 392.676775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.680890] (M) = 24860kB [ 392.683318] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.688841] Node 0 [ 392.691598] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.697022] Normal: 767*4kB [ 392.699269] ? addrconf_rs_timer+0x690/0x690 [ 392.704698] (UME) 454*8kB [ 392.707738] ndisc_alloc_skb+0x144/0x340 [ 392.712118] (ME) 185*16kB [ 392.714973] ndisc_send_rs+0x331/0x6e0 [ 392.719011] (UME) 80*32kB [ 392.721875] addrconf_rs_timer+0x314/0x690 [ 392.725743] (UME) [ 392.728586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.732799] 22*64kB (M) [ 392.734973] call_timer_fn+0x272/0x920 [ 392.739174] 1*128kB (U) [ 392.741858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.745729] 1*256kB [ 392.748403] ? process_timeout+0x40/0x40 [ 392.752631] (U) [ 392.754968] ? mark_held_locks+0xc7/0x130 [ 392.759002] 0*512kB [ 392.760980] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.765114] 0*1024kB 0*2048kB [ 392.767449] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.771921] 0*4096kB [ 392.775124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.779600] = 14012kB [ 392.782039] ? lockdep_hardirqs_on+0x296/0x5b0 [ 392.786260] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 392.788661] ? trace_hardirqs_on+0xbd/0x310 [ 392.793226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 392.802069] ? kasan_check_read+0x11/0x20 [ 392.806377] 163 total pagecache pages [ 392.814959] ? __run_timers+0x7da/0xc70 [ 392.819096] 0 pages in swap cache [ 392.822884] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.826831] Swap cache stats: add 0, delete 0, find 0/0 [ 392.826841] Free swap = 0kB [ 392.830301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.835385] Total swap = 0kB [ 392.840763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.843763] 1965979 pages RAM [ 392.847994] __run_timers+0x7e5/0xc70 [ 392.850990] 0 pages HighMem/MovableOnly [ 392.855231] ? timer_fixup_init+0x70/0x70 [ 392.858331] 342867 pages reserved [ 392.862123] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 392.866088] 0 pages cma reserved [ 392.870246] ? zap_class+0x640/0x640 [ 392.873752] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 392.878695] ? print_usage_bug+0xc0/0xc0 [ 392.878723] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 392.878743] ? find_held_lock+0x36/0x1c0 [ 392.882149] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 392.885805] ? zap_class+0x640/0x640 [ 392.892278] ksoftirqd/0 cpuset= [ 392.896350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.901519] / [ 392.905600] ? check_preemption_disabled+0x48/0x280 [ 392.915906] mems_allowed=0 [ 392.919617] ? __lock_is_held+0xb5/0x140 [ 392.942128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.947670] ? check_preemption_disabled+0x48/0x280 [ 392.952693] run_timer_softirq+0x52/0xb0 [ 392.956769] ? rcu_read_lock_sched_held+0x14f/0x180 [ 392.961816] __do_softirq+0x308/0xb7e [ 392.965644] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 392.970154] ? lock_downgrade+0x900/0x900 [ 392.974326] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 392.979440] ? pvclock_read_flags+0x160/0x160 [ 392.983956] ? lapic_next_event+0x5a/0x90 [ 392.988107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.993652] ? kvm_clock_read+0x18/0x30 [ 392.997625] ? kvm_sched_clock_read+0x9/0x20 [ 393.002066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.007608] ? check_preemption_disabled+0x48/0x280 [ 393.012634] irq_exit+0x17f/0x1c0 [ 393.016102] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.020941] ? smp_reschedule_interrupt+0x109/0x650 [ 393.025984] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.031876] ? interrupt_entry+0xb5/0xc0 [ 393.035956] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.040973] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.046007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.050856] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.055878] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.060899] ? task_prio+0x50/0x50 [ 393.064447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.070004] ? check_preemption_disabled+0x48/0x280 [ 393.075029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.079884] apic_timer_interrupt+0xf/0x20 [ 393.084118] [ 393.086382] RIP: 0010:dump_stack+0x358/0x39d [ 393.090794] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 393.109709] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 393.117417] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 393.124687] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 393.131981] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 393.139259] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 393.146537] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 393.153822] ? dump_stack+0x34f/0x39d [ 393.157645] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.162884] dump_header+0x27b/0xf72 [ 393.166611] ? mark_held_locks+0x130/0x130 [ 393.170852] ? pagefault_out_of_memory+0x197/0x197 [ 393.175789] ? __lock_acquire+0x62f/0x4c20 [ 393.180023] ? zap_class+0x640/0x640 [ 393.183759] ? percpu_ref_get_many+0x240/0x240 [ 393.188346] ? print_usage_bug+0xc0/0xc0 [ 393.192413] ? print_usage_bug+0xc0/0xc0 [ 393.196482] ? zap_class+0x640/0x640 [ 393.200200] ? print_usage_bug+0xc0/0xc0 [ 393.204277] ? print_usage_bug+0xc0/0xc0 [ 393.208371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.214012] ? find_held_lock+0x36/0x1c0 [ 393.218085] ? mark_held_locks+0xc7/0x130 [ 393.222248] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 393.227353] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 393.232462] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 393.237090] ? trace_hardirqs_on+0xbd/0x310 [ 393.241407] ? kasan_check_read+0x11/0x20 [ 393.245554] ? ___ratelimit+0x3b4/0x672 [ 393.249531] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.254663] ? trace_hardirqs_on+0x310/0x310 [ 393.259086] ? lock_downgrade+0x900/0x900 [ 393.263245] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 393.268366] ? ___ratelimit+0x3b9/0x672 [ 393.272343] ? idr_get_free+0xec0/0xec0 [ 393.276321] ? find_held_lock+0x36/0x1c0 [ 393.280397] oom_kill_process.cold.27+0x10/0x903 [ 393.285168] ? zap_class+0x640/0x640 [ 393.288900] ? check_preemption_disabled+0x48/0x280 [ 393.293926] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.298861] ? kasan_check_read+0x11/0x20 [ 393.303015] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.308318] ? oom_evaluate_task+0x540/0x540 [ 393.312738] ? find_held_lock+0x36/0x1c0 [ 393.316820] ? out_of_memory+0x974/0x1430 [ 393.320979] ? lock_downgrade+0x900/0x900 [ 393.325132] ? check_preemption_disabled+0x48/0x280 [ 393.330155] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.335101] ? kasan_check_read+0x11/0x20 [ 393.339626] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.344912] ? rcu_softirq_qs+0x20/0x20 [ 393.348894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.354432] ? oom_evaluate_task+0x302/0x540 [ 393.358851] out_of_memory+0xa84/0x1430 [ 393.362843] ? oom_killer_disable+0x3a0/0x3a0 [ 393.367359] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 393.372306] ? __mutex_add_waiter+0x2a0/0x2a0 [ 393.376822] __alloc_pages_slowpath+0x22d4/0x2d70 [ 393.381704] ? warn_alloc+0x120/0x120 [ 393.385511] ? rcu_softirq_qs+0x20/0x20 [ 393.389512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.395058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.400597] ? should_fail+0x22d/0xd01 [ 393.404492] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.409600] ? zap_class+0x640/0x640 [ 393.413343] ? __lock_is_held+0xb5/0x140 [ 393.417414] ? mark_held_locks+0x130/0x130 [ 393.421655] ? lock_release+0xa00/0xa00 [ 393.425654] ? perf_trace_sched_process_exec+0x860/0x860 [ 393.431117] ? __might_sleep+0x95/0x190 [ 393.435126] __alloc_pages_nodemask+0xa80/0xde0 [ 393.439815] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 393.444865] ? __page_cache_alloc+0x191/0x5c0 [ 393.449374] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.454334] ? kasan_check_read+0x11/0x20 [ 393.458497] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.464254] ? zap_class+0x640/0x640 [ 393.467987] ? zap_class+0x640/0x640 [ 393.471701] ? zap_class+0x640/0x640 [ 393.475419] ? __do_page_cache_readahead+0x7ce/0x980 [ 393.480532] ? find_held_lock+0x36/0x1c0 [ 393.484601] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 393.490151] alloc_pages_current+0x173/0x350 [ 393.494578] __page_cache_alloc+0x38c/0x5c0 [ 393.498904] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.503861] ? kasan_check_read+0x11/0x20 [ 393.508012] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.513315] ? generic_perform_write+0x6a0/0x6a0 [ 393.518078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.523622] ? check_preemption_disabled+0x48/0x280 [ 393.528650] filemap_fault+0x1594/0x25f0 [ 393.532726] ? __lock_page_or_retry+0xa00/0xa00 [ 393.537401] ? mark_held_locks+0x130/0x130 [ 393.541641] ? rcu_softirq_qs+0x20/0x20 [ 393.545634] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 393.550746] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 393.555333] ? trace_hardirqs_on+0xbd/0x310 [ 393.559675] ? filemap_map_pages+0xe04/0x1990 [ 393.564195] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 393.569310] ? __free_object+0x173/0x340 [ 393.573378] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 393.578317] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.583423] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 393.588110] ? debug_object_free+0x32d/0x690 [ 393.592522] ? kasan_check_read+0x11/0x20 [ 393.596676] ? debug_object_destroy+0x2b0/0x2b0 [ 393.601359] ? lock_pi_update_atomic+0x150/0x150 [ 393.606117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.611654] ? __hrtimer_init+0xdb/0x240 [ 393.615726] ? lock_acquire+0x1ed/0x520 [ 393.619704] ? ext4_filemap_fault+0x7a/0xad [ 393.624033] ? lock_release+0xa00/0xa00 [ 393.628009] ? perf_trace_sched_process_exec+0x860/0x860 [ 393.633469] ? print_usage_bug+0xc0/0xc0 [ 393.637537] ? print_usage_bug+0xc0/0xc0 [ 393.641613] ? down_read+0x8d/0x120 [ 393.645245] ? ext4_filemap_fault+0x7a/0xad [ 393.649590] ? __down_interruptible+0x700/0x700 [ 393.654293] ext4_filemap_fault+0x82/0xad [ 393.658448] __do_fault+0x100/0x6b0 [ 393.662086] ? pmd_devmap_trans_unstable+0x220/0x220 [ 393.667198] ? mark_held_locks+0x130/0x130 [ 393.671453] ? mark_held_locks+0x130/0x130 [ 393.675694] ? debug_smp_processor_id+0x1c/0x20 [ 393.680375] ? perf_trace_lock+0x14d/0x7a0 [ 393.684621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.690168] __handle_mm_fault+0x307c/0x5920 [ 393.694578] ? perf_trace_lock+0x7a0/0x7a0 [ 393.698823] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 393.703677] ? lock_is_held_type+0x210/0x210 [ 393.708105] ? ksys_dup3+0x680/0x680 [ 393.711843] ? zap_class+0x640/0x640 [ 393.715557] ? zap_class+0x640/0x640 [ 393.719274] ? __x64_sys_futex+0x53e/0x6a0 [ 393.723525] ? find_held_lock+0x36/0x1c0 [ 393.727599] ? handle_mm_fault+0x42a/0xc70 [ 393.731857] ? lock_downgrade+0x900/0x900 [ 393.736009] ? check_preemption_disabled+0x48/0x280 [ 393.741033] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.745976] ? kasan_check_read+0x11/0x20 [ 393.750129] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.755411] ? rcu_softirq_qs+0x20/0x20 [ 393.759386] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.764493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.770033] ? check_preemption_disabled+0x48/0x280 [ 393.775063] handle_mm_fault+0x54f/0xc70 [ 393.779131] ? __handle_mm_fault+0x5920/0x5920 [ 393.783723] ? find_vma+0x34/0x190 [ 393.787303] __do_page_fault+0x5e8/0xe60 [ 393.791370] ? trace_hardirqs_off+0xb8/0x310 [ 393.795798] ? kernel_write+0x120/0x120 [ 393.799841] do_page_fault+0xf2/0x7e0 [ 393.803645] ? vmalloc_sync_all+0x30/0x30 [ 393.807799] ? error_entry+0x70/0xd0 [ 393.811522] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.816540] ? trace_hardirqs_on_caller+0xc0/0x310 [ 393.821475] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.826409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.831254] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.836275] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.841743] ? prepare_exit_to_usermode+0x291/0x3b0 [ 393.846763] ? page_fault+0x8/0x30 [ 393.850315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.855175] ? page_fault+0x8/0x30 [ 393.858741] page_fault+0x1e/0x30 [ 393.862219] RIP: 0033:0x45ddf3 [ 393.865447] Code: Bad RIP value. [ 393.868811] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 393.874183] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 393.881452] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 393.888722] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 393.895989] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 393.903257] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 393.910574] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 393.910650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.917096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.917111] Call Trace: [ 393.923690] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.933061] dump_stack+0x244/0x39d [ 393.935625] syz-fuzzer cpuset= [ 393.945850] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.949470] / [ 393.952676] warn_alloc.cold.117+0xb7/0x1bd [ 393.957842] mems_allowed=0 [ 393.959564] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.971633] ? lock_downgrade+0x900/0x900 [ 393.975802] ? trace_hardirqs_off+0xb8/0x310 [ 393.980227] ? trace_hardirqs_off+0xb8/0x310 [ 393.984646] __alloc_pages_slowpath+0x2660/0x2d70 [ 393.989521] ? warn_alloc+0x120/0x120 [ 393.993338] ? warn_alloc+0x120/0x120 [ 393.997142] ? print_usage_bug+0xc0/0xc0 [ 394.001240] ? warn_alloc+0x120/0x120 [ 394.005040] ? print_usage_bug+0xc0/0xc0 [ 394.009101] ? __lock_acquire+0x62f/0x4c20 [ 394.013354] ? __lock_acquire+0x62f/0x4c20 [ 394.017597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.023137] ? should_fail+0x22d/0xd01 [ 394.027043] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.032163] ? __lock_acquire+0x62f/0x4c20 [ 394.036408] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.041524] ? __lock_acquire+0x62f/0x4c20 [ 394.045757] ? should_fail+0x22d/0xd01 [ 394.049646] ? find_held_lock+0x36/0x1c0 [ 394.053718] ? mark_held_locks+0x130/0x130 [ 394.057960] ? mark_held_locks+0x130/0x130 [ 394.062192] ? zap_class+0x640/0x640 [ 394.065908] ? zap_class+0x640/0x640 [ 394.069627] ? print_usage_bug+0xc0/0xc0 [ 394.073688] ? do_raw_spin_unlock+0xa7/0x330 [ 394.078101] ? zap_class+0x640/0x640 [ 394.081826] ? print_usage_bug+0xc0/0xc0 [ 394.085897] ? wq_watchdog_touch+0x9c/0xfe [ 394.090135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.095674] ? check_preemption_disabled+0x48/0x280 [ 394.100710] ? __lock_is_held+0xb5/0x140 [ 394.104783] __alloc_pages_nodemask+0xa80/0xde0 [ 394.109454] ? zap_class+0x640/0x640 [ 394.113189] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 394.118220] ? find_held_lock+0x36/0x1c0 [ 394.122301] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.127051] ? lock_downgrade+0x900/0x900 [ 394.131219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.136760] cache_grow_begin+0xa5/0x8c0 [ 394.140820] ? do_raw_spin_unlock+0xa7/0x330 [ 394.145239] fallback_alloc+0x204/0x2e0 [ 394.149222] ____cache_alloc_node+0x1c7/0x1e0 [ 394.153739] kmem_cache_alloc_node+0xe3/0x730 [ 394.158252] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.162509] __alloc_skb+0x119/0x770 [ 394.166229] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.171510] ? netdev_alloc_frag+0x1f0/0x1f0 [ 394.175919] ? lock_downgrade+0x900/0x900 [ 394.180074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.185614] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.191099] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.196553] ? addrconf_rs_timer+0x690/0x690 [ 394.200985] ndisc_alloc_skb+0x144/0x340 [ 394.205046] ndisc_send_rs+0x331/0x6e0 [ 394.208956] addrconf_rs_timer+0x314/0x690 [ 394.213198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.217453] call_timer_fn+0x272/0x920 [ 394.221367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.225617] ? process_timeout+0x40/0x40 [ 394.229703] ? __run_timers+0x7da/0xc70 [ 394.233683] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.238178] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.242671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.246909] ? lockdep_hardirqs_on+0x296/0x5b0 [ 394.251496] ? trace_hardirqs_on+0xbd/0x310 [ 394.255821] ? kasan_check_read+0x11/0x20 [ 394.259979] ? __run_timers+0x7da/0xc70 [ 394.263954] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.269064] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.273332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.277570] __run_timers+0x7e5/0xc70 [ 394.281381] ? timer_fixup_init+0x70/0x70 [ 394.285533] ? compat_start_thread+0x80/0x80 [ 394.289948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.295511] ? _raw_spin_unlock_irq+0x60/0x80 [ 394.300015] ? finish_task_switch+0x1f4/0x910 [ 394.304514] ? finish_task_switch+0x1b4/0x910 [ 394.309017] ? __switch_to_asm+0x34/0x70 [ 394.313111] ? preempt_notifier_register+0x200/0x200 [ 394.318225] ? __switch_to_asm+0x34/0x70 [ 394.322292] ? __switch_to_asm+0x40/0x70 [ 394.326360] ? __switch_to_asm+0x34/0x70 [ 394.330422] ? __switch_to_asm+0x40/0x70 [ 394.334486] ? __switch_to_asm+0x34/0x70 [ 394.338545] ? __switch_to_asm+0x40/0x70 [ 394.342607] ? __switch_to_asm+0x40/0x70 [ 394.346679] ? pvclock_read_flags+0x160/0x160 [ 394.351191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.357137] ? check_preemption_disabled+0x48/0x280 [ 394.362172] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 394.367713] ? rcu_pm_notify+0xc0/0xc0 [ 394.371605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.377142] ? check_preemption_disabled+0x48/0x280 [ 394.382172] run_timer_softirq+0x52/0xb0 [ 394.386230] ? rcu_read_lock_sched_held+0x14f/0x180 [ 394.391257] __do_softirq+0x308/0xb7e [ 394.395074] ? retint_kernel+0x2d/0x2d [ 394.398976] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 394.404129] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.409603] ? schedule+0x108/0x460 [ 394.413260] ? __schedule+0x21d0/0x21d0 [ 394.417257] ? trace_hardirqs_off+0xb8/0x310 [ 394.421676] ? smpboot_thread_fn+0x68b/0xa00 [ 394.426088] ? trace_hardirqs_on+0x310/0x310 [ 394.430511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.436064] ? check_preemption_disabled+0x48/0x280 [ 394.441083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.446638] ? takeover_tasklets+0xa90/0xa90 [ 394.451055] run_ksoftirqd+0x5e/0x100 [ 394.454875] smpboot_thread_fn+0x68b/0xa00 [ 394.459127] ? sort_range+0x30/0x30 [ 394.462758] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.467861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.473420] ? __kthread_parkme+0xfb/0x1a0 [ 394.477669] kthread+0x35a/0x420 [ 394.481037] ? sort_range+0x30/0x30 [ 394.484686] ? kthread_stop+0x900/0x900 [ 394.488666] ret_from_fork+0x3a/0x50 [ 394.492394] warn_alloc_show_mem: 1 callbacks suppressed [ 394.492406] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 394.492408] Mem-Info: [ 394.492440] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 394.492440] active_file:13 inactive_file:12 isolated_file:0 [ 394.492440] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.492440] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 394.492440] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 394.492440] free:13679 free_pcp:387 free_cma:0 [ 394.497795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.504470] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 394.506879] Call Trace: [ 394.539756] Node 0 [ 394.549109] [ 394.576620] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 394.579185] dump_stack+0x244/0x39d [ 394.581400] lowmem_reserve[]: [ 394.583552] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.609025] 0 2818 [ 394.612679] warn_alloc.cold.117+0xb7/0x1bd [ 394.615755] 6321 [ 394.620939] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.623163] 6321 [ 394.627498] ? lock_downgrade+0x900/0x900 [ 394.634391] ? trace_hardirqs_off+0xb8/0x310 [ 394.636428] Node 0 [ 394.640636] ? trace_hardirqs_off+0xb8/0x310 [ 394.645046] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 394.647276] __alloc_pages_slowpath+0x2660/0x2d70 [ 394.651659] lowmem_reserve[]: 0 [ 394.678695] ? warn_alloc+0x120/0x120 [ 394.683493] 0 [ 394.686774] ? warn_alloc+0x120/0x120 [ 394.690550] 3503 [ 394.692364] ? print_usage_bug+0xc0/0xc0 [ 394.696142] 3503 [ 394.698201] ? warn_alloc+0x120/0x120 [ 394.704312] ? print_usage_bug+0xc0/0xc0 [ 394.708099] Node 0 [ 394.712167] ? __lock_acquire+0x62f/0x4c20 [ 394.712199] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 394.712206] lowmem_reserve[]: [ 394.714441] ? __lock_acquire+0x62f/0x4c20 [ 394.718658] 0 [ 394.747029] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.750110] 0 [ 394.754346] ? should_fail+0x22d/0xd01 [ 394.756127] 0 0 [ 394.761674] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.763452] Node 0 [ 394.767343] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.769319] DMA: [ 394.774597] ? __lock_acquire+0x62f/0x4c20 [ 394.776823] 1*4kB [ 394.781935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.783978] (U) [ 394.788212] ? __lock_acquire+0x62f/0x4c20 [ 394.790340] 0*8kB 0*16kB [ 394.795451] ? should_fail+0x22d/0xd01 [ 394.797414] 1*32kB [ 394.801649] ? rcu_irq_exit+0x1a2/0x390 [ 394.804408] (U) [ 394.808341] ? mark_held_locks+0x130/0x130 [ 394.810568] 2*64kB [ 394.814556] ? mark_held_locks+0x130/0x130 [ 394.816514] (U) [ 394.820775] ? mark_held_locks+0xc7/0x130 [ 394.822993] 1*128kB [ 394.827227] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 394.829179] (U) [ 394.833354] ? zap_class+0x640/0x640 [ 394.835693] 1*256kB [ 394.840705] ? print_usage_bug+0xc0/0xc0 [ 394.842663] (U) [ 394.846407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.848704] 0*512kB [ 394.852759] ? check_preemption_disabled+0x48/0x280 [ 394.854719] 1*1024kB [ 394.860258] ? __lock_is_held+0xb5/0x140 [ 394.862555] (U) [ 394.867572] __alloc_pages_nodemask+0xa80/0xde0 [ 394.869960] 1*2048kB [ 394.874015] ? zap_class+0x640/0x640 [ 394.875996] (M) [ 394.880676] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 394.883066] 3*4096kB [ 394.886777] ? find_held_lock+0x36/0x1c0 [ 394.888726] (M) [ 394.893746] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.896136] = 15908kB [ 394.900189] ? lock_downgrade+0x900/0x900 [ 394.902159] Node 0 [ 394.906836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.909215] DMA32: 5*4kB [ 394.913373] cache_grow_begin+0xa5/0x8c0 [ 394.915588] (M) [ 394.921124] ? do_raw_spin_unlock+0xa7/0x330 [ 394.923877] 1*8kB [ 394.927954] fallback_alloc+0x204/0x2e0 [ 394.929915] (U) [ 394.934332] ____cache_alloc_node+0x1c7/0x1e0 [ 394.936468] 4*16kB [ 394.940472] kmem_cache_alloc_node+0xe3/0x730 [ 394.942424] (M) [ 394.946915] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.949130] 2*32kB [ 394.953625] __alloc_skb+0x119/0x770 [ 394.955578] (M) [ 394.959812] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.962022] 4*64kB [ 394.965728] ? netdev_alloc_frag+0x1f0/0x1f0 [ 394.967685] (UM) [ 394.972962] ? lock_downgrade+0x900/0x900 [ 394.975189] 3*128kB [ 394.979598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.981635] (M) [ 394.985779] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.988074] 4*256kB (UM) [ 394.993620] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.995580] 3*512kB [ 395.001028] ? addrconf_rs_timer+0x690/0x690 [ 395.003766] (M) [ 395.009235] ndisc_alloc_skb+0x144/0x340 [ 395.011536] 3*1024kB [ 395.015951] ndisc_send_rs+0x331/0x6e0 [ 395.017919] (UM) [ 395.021989] addrconf_rs_timer+0x314/0x690 [ 395.024382] 3*2048kB [ 395.028314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.030360] (UM) [ 395.034599] call_timer_fn+0x272/0x920 [ 395.036986] 3*4096kB [ 395.041213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.043256] (M) [ 395.047179] ? process_timeout+0x40/0x40 [ 395.049569] = 24860kB [ 395.053818] ? mark_held_locks+0xc7/0x130 [ 395.055781] Node 0 [ 395.059844] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.062230] Normal: [ 395.066380] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.068595] 767*4kB [ 395.073085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.075394] (UME) [ 395.079887] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.082193] 454*8kB [ 395.086439] ? trace_hardirqs_on+0xbd/0x310 [ 395.088571] (ME) [ 395.093154] ? kasan_check_read+0x11/0x20 [ 395.095456] 185*16kB [ 395.099777] ? __run_timers+0x7da/0xc70 [ 395.101820] (UME) [ 395.105968] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.108373] 80*32kB [ 395.112348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.114479] (UME) [ 395.119612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.121921] 22*64kB [ 395.126153] __run_timers+0x7e5/0xc70 [ 395.128291] (M) [ 395.132533] ? timer_fixup_init+0x70/0x70 [ 395.134837] 1*128kB [ 395.138639] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.140605] (U) [ 395.144780] ? zap_class+0x640/0x640 [ 395.147084] 1*256kB [ 395.152097] ? print_usage_bug+0xc0/0xc0 [ 395.154050] (U) [ 395.157766] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.160069] 0*512kB 0*1024kB [ 395.164140] ? find_held_lock+0x36/0x1c0 [ 395.166093] 0*2048kB [ 395.171280] ? zap_class+0x640/0x640 [ 395.174391] 0*4096kB [ 395.178455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.180843] = 14012kB [ 395.184551] ? check_preemption_disabled+0x48/0x280 [ 395.186948] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.192519] ? __lock_is_held+0xb5/0x140 [ 395.194916] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.199921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.208740] 163 total pagecache pages [ 395.212839] ? check_preemption_disabled+0x48/0x280 [ 395.221394] 0 pages in swap cache [ 395.226936] run_timer_softirq+0x52/0xb0 [ 395.230732] Swap cache stats: add 0, delete 0, find 0/0 [ 395.235741] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.239174] Free swap = 0kB [ 395.243232] __do_softirq+0x308/0xb7e [ 395.248588] Total swap = 0kB [ 395.253606] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 395.256605] 1965979 pages RAM [ 395.260404] ? lock_downgrade+0x900/0x900 [ 395.263421] 0 pages HighMem/MovableOnly [ 395.263431] 342867 pages reserved [ 395.267923] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 395.271019] 0 pages cma reserved [ 395.275179] ? pvclock_read_flags+0x160/0x160 [ 395.279219] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.282580] ? lapic_next_event+0x5a/0x90 [ 395.287760] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.291025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.295500] ksoftirqd/0 cpuset= [ 395.301993] ? kvm_clock_read+0x18/0x30 [ 395.306151] / [ 395.316478] ? kvm_sched_clock_read+0x9/0x20 [ 395.322017] mems_allowed=0 [ 395.325299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.343831] ? check_preemption_disabled+0x48/0x280 [ 395.348866] irq_exit+0x17f/0x1c0 [ 395.352328] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.357174] ? smp_reschedule_interrupt+0x109/0x650 [ 395.362195] ? smp_call_function_single_interrupt+0x650/0x650 [ 395.368101] ? interrupt_entry+0xb5/0xc0 [ 395.372167] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.377187] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.382209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.387055] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.392070] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.397113] ? task_prio+0x50/0x50 [ 395.400682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.406221] ? check_preemption_disabled+0x48/0x280 [ 395.411244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.416127] apic_timer_interrupt+0xf/0x20 [ 395.420358] [ 395.422602] RIP: 0010:dump_stack+0x358/0x39d [ 395.427018] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 395.445939] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 395.453672] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 395.460960] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 395.468759] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 395.476029] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 395.483305] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 395.490598] ? dump_stack+0x34f/0x39d [ 395.494414] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.499621] dump_header+0x27b/0xf72 [ 395.503367] ? mark_held_locks+0x130/0x130 [ 395.507612] ? pagefault_out_of_memory+0x197/0x197 [ 395.512552] ? __lock_acquire+0x62f/0x4c20 [ 395.516791] ? zap_class+0x640/0x640 [ 395.520515] ? percpu_ref_get_many+0x240/0x240 [ 395.525103] ? print_usage_bug+0xc0/0xc0 [ 395.529168] ? print_usage_bug+0xc0/0xc0 [ 395.533239] ? zap_class+0x640/0x640 [ 395.536960] ? print_usage_bug+0xc0/0xc0 [ 395.541024] ? print_usage_bug+0xc0/0xc0 [ 395.545101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.550645] ? find_held_lock+0x36/0x1c0 [ 395.554719] ? mark_held_locks+0xc7/0x130 [ 395.558875] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 395.563981] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 395.569088] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 395.573677] ? trace_hardirqs_on+0xbd/0x310 [ 395.578003] ? kasan_check_read+0x11/0x20 [ 395.582152] ? ___ratelimit+0x3b4/0x672 [ 395.586131] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.591241] ? trace_hardirqs_on+0x310/0x310 [ 395.595658] ? lock_downgrade+0x900/0x900 [ 395.599837] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 395.604944] ? ___ratelimit+0x3b9/0x672 [ 395.608923] ? idr_get_free+0xec0/0xec0 [ 395.612903] ? find_held_lock+0x36/0x1c0 [ 395.616999] oom_kill_process.cold.27+0x10/0x903 [ 395.621760] ? zap_class+0x640/0x640 [ 395.625478] ? check_preemption_disabled+0x48/0x280 [ 395.630508] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 395.635443] ? kasan_check_read+0x11/0x20 [ 395.639599] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.644896] ? oom_evaluate_task+0x540/0x540 [ 395.649338] ? find_held_lock+0x36/0x1c0 [ 395.653415] ? out_of_memory+0x974/0x1430 [ 395.657569] ? lock_downgrade+0x900/0x900 [ 395.661720] ? check_preemption_disabled+0x48/0x280 [ 395.666763] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 395.671697] ? kasan_check_read+0x11/0x20 [ 395.675851] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.681132] ? rcu_softirq_qs+0x20/0x20 [ 395.685132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.690672] ? oom_evaluate_task+0x302/0x540 [ 395.695097] out_of_memory+0xa84/0x1430 [ 395.699079] ? oom_killer_disable+0x3a0/0x3a0 [ 395.703578] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 395.708515] ? __mutex_add_waiter+0x2a0/0x2a0 [ 395.713025] __alloc_pages_slowpath+0x22d4/0x2d70 [ 395.717901] ? warn_alloc+0x120/0x120 [ 395.721703] ? rcu_softirq_qs+0x20/0x20 [ 395.725704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.731242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.736782] ? should_fail+0x22d/0xd01 [ 395.740674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.745782] ? zap_class+0x640/0x640 [ 395.749520] ? __lock_is_held+0xb5/0x140 [ 395.753589] ? mark_held_locks+0x130/0x130 [ 395.757834] ? lock_release+0xa00/0xa00 [ 395.761830] ? perf_trace_sched_process_exec+0x860/0x860 [ 395.767303] ? __might_sleep+0x95/0x190 [ 395.771296] __alloc_pages_nodemask+0xa80/0xde0 [ 395.775980] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 395.781010] ? __page_cache_alloc+0x191/0x5c0 [ 395.785527] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 395.790459] ? kasan_check_read+0x11/0x20 [ 395.794612] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.799897] ? zap_class+0x640/0x640 [ 395.803648] ? zap_class+0x640/0x640 [ 395.807369] ? zap_class+0x640/0x640 [ 395.811093] ? __do_page_cache_readahead+0x7ce/0x980 [ 395.816221] ? find_held_lock+0x36/0x1c0 [ 395.820314] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 395.825864] alloc_pages_current+0x173/0x350 [ 395.830281] __page_cache_alloc+0x38c/0x5c0 [ 395.834619] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 395.839555] ? kasan_check_read+0x11/0x20 [ 395.843710] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.849009] ? generic_perform_write+0x6a0/0x6a0 [ 395.853774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.859355] ? check_preemption_disabled+0x48/0x280 [ 395.864385] filemap_fault+0x1594/0x25f0 [ 395.868466] ? __lock_page_or_retry+0xa00/0xa00 [ 395.873143] ? mark_held_locks+0x130/0x130 [ 395.877381] ? rcu_softirq_qs+0x20/0x20 [ 395.881710] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 395.886865] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 395.891500] ? trace_hardirqs_on+0xbd/0x310 [ 395.895854] ? filemap_map_pages+0xe04/0x1990 [ 395.900364] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 395.905475] ? __free_object+0x173/0x340 [ 395.909539] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 395.914475] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.919582] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 395.924280] ? debug_object_free+0x32d/0x690 [ 395.928706] ? kasan_check_read+0x11/0x20 [ 395.932867] ? debug_object_destroy+0x2b0/0x2b0 [ 395.937576] ? lock_pi_update_atomic+0x150/0x150 [ 395.942336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.947877] ? __hrtimer_init+0xdb/0x240 [ 395.951981] ? lock_acquire+0x1ed/0x520 [ 395.955979] ? ext4_filemap_fault+0x7a/0xad [ 395.960344] ? lock_release+0xa00/0xa00 [ 395.964324] ? perf_trace_sched_process_exec+0x860/0x860 [ 395.969794] ? print_usage_bug+0xc0/0xc0 [ 395.973868] ? print_usage_bug+0xc0/0xc0 [ 395.977951] ? down_read+0x8d/0x120 [ 395.981578] ? ext4_filemap_fault+0x7a/0xad [ 395.985927] ? __down_interruptible+0x700/0x700 [ 395.990624] ext4_filemap_fault+0x82/0xad [ 395.994781] __do_fault+0x100/0x6b0 [ 395.998414] ? pmd_devmap_trans_unstable+0x220/0x220 [ 396.003522] ? mark_held_locks+0x130/0x130 [ 396.007761] ? mark_held_locks+0x130/0x130 [ 396.011999] ? debug_smp_processor_id+0x1c/0x20 [ 396.016702] ? perf_trace_lock+0x14d/0x7a0 [ 396.020948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.026492] __handle_mm_fault+0x307c/0x5920 [ 396.030905] ? perf_trace_lock+0x7a0/0x7a0 [ 396.035167] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 396.040011] ? lock_is_held_type+0x210/0x210 [ 396.044428] ? ksys_dup3+0x680/0x680 [ 396.048155] ? zap_class+0x640/0x640 [ 396.051866] ? zap_class+0x640/0x640 [ 396.055590] ? __x64_sys_futex+0x53e/0x6a0 [ 396.059839] ? find_held_lock+0x36/0x1c0 [ 396.063927] ? handle_mm_fault+0x42a/0xc70 [ 396.068179] ? lock_downgrade+0x900/0x900 [ 396.072325] ? check_preemption_disabled+0x48/0x280 [ 396.077358] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.082311] ? kasan_check_read+0x11/0x20 [ 396.086478] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.091763] ? rcu_softirq_qs+0x20/0x20 [ 396.095736] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.100846] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.106391] ? check_preemption_disabled+0x48/0x280 [ 396.111437] handle_mm_fault+0x54f/0xc70 [ 396.115505] ? __handle_mm_fault+0x5920/0x5920 [ 396.120104] ? find_vma+0x34/0x190 [ 396.123667] __do_page_fault+0x5e8/0xe60 [ 396.127743] ? trace_hardirqs_off+0xb8/0x310 [ 396.132149] ? kernel_write+0x120/0x120 [ 396.136136] do_page_fault+0xf2/0x7e0 [ 396.139942] ? vmalloc_sync_all+0x30/0x30 [ 396.144122] ? error_entry+0x70/0xd0 [ 396.147868] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.152884] ? trace_hardirqs_on_caller+0xc0/0x310 [ 396.157834] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.162778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.167626] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.172641] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.178100] ? prepare_exit_to_usermode+0x291/0x3b0 [ 396.183145] ? page_fault+0x8/0x30 [ 396.186690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.191550] ? page_fault+0x8/0x30 [ 396.195108] page_fault+0x1e/0x30 [ 396.198575] RIP: 0033:0x45ddf3 [ 396.201781] Code: Bad RIP value. [ 396.205144] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 396.210514] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 396.217781] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 396.225046] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 396.232341] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 396.239617] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 396.246916] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 396.246984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.253421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.253427] Call Trace: [ 396.253449] dump_stack+0x244/0x39d [ 396.253468] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.260033] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.269323] warn_alloc.cold.117+0xb7/0x1bd [ 396.271883] syz-fuzzer cpuset= [ 396.275510] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.280681] / [ 396.290922] ? lock_downgrade+0x900/0x900 [ 396.295229] mems_allowed=0 [ 396.298424] ? trace_hardirqs_off+0xb8/0x310 [ 396.316465] ? trace_hardirqs_off+0xb8/0x310 [ 396.320883] __alloc_pages_slowpath+0x2660/0x2d70 [ 396.325782] ? warn_alloc+0x120/0x120 [ 396.329598] ? warn_alloc+0x120/0x120 [ 396.333404] ? print_usage_bug+0xc0/0xc0 [ 396.337471] ? warn_alloc+0x120/0x120 [ 396.341298] ? print_usage_bug+0xc0/0xc0 [ 396.345382] ? __lock_acquire+0x62f/0x4c20 [ 396.349638] ? __lock_acquire+0x62f/0x4c20 [ 396.353907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.359916] ? should_fail+0x22d/0xd01 [ 396.363808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.368923] ? __lock_acquire+0x62f/0x4c20 [ 396.373175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.378296] ? __lock_acquire+0x62f/0x4c20 [ 396.382535] ? should_fail+0x22d/0xd01 [ 396.386440] ? mark_held_locks+0x130/0x130 [ 396.390680] ? mark_held_locks+0x130/0x130 [ 396.394911] ? zap_class+0x640/0x640 [ 396.398644] ? zap_class+0x640/0x640 [ 396.402361] ? print_usage_bug+0xc0/0xc0 [ 396.406427] ? mark_held_locks+0x130/0x130 [ 396.410668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.416221] ? check_preemption_disabled+0x48/0x280 [ 396.421251] ? __lock_is_held+0xb5/0x140 [ 396.425339] __alloc_pages_nodemask+0xa80/0xde0 [ 396.430012] ? zap_class+0x640/0x640 [ 396.433733] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 396.438760] ? find_held_lock+0x36/0x1c0 [ 396.442835] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.447537] ? lock_downgrade+0x900/0x900 [ 396.451713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.457278] cache_grow_begin+0xa5/0x8c0 [ 396.461359] ? do_raw_spin_unlock+0xa7/0x330 [ 396.465780] fallback_alloc+0x204/0x2e0 [ 396.469764] ____cache_alloc_node+0x1c7/0x1e0 [ 396.474269] kmem_cache_alloc_node+0xe3/0x730 [ 396.478780] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.483054] __alloc_skb+0x119/0x770 [ 396.486775] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.492060] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.496470] ? lock_downgrade+0x900/0x900 [ 396.500626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.506170] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.511628] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.517082] ? addrconf_rs_timer+0x690/0x690 [ 396.521517] ndisc_alloc_skb+0x144/0x340 [ 396.525602] ndisc_send_rs+0x331/0x6e0 [ 396.529517] addrconf_rs_timer+0x314/0x690 [ 396.533777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.538033] call_timer_fn+0x272/0x920 [ 396.541921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.546173] ? process_timeout+0x40/0x40 [ 396.550251] ? __run_timers+0x7da/0xc70 [ 396.554234] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.558729] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.563256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.567507] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.572111] ? trace_hardirqs_on+0xbd/0x310 [ 396.576435] ? kasan_check_read+0x11/0x20 [ 396.580585] ? __run_timers+0x7da/0xc70 [ 396.584578] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.589697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.593939] __run_timers+0x7e5/0xc70 [ 396.597755] ? timer_fixup_init+0x70/0x70 [ 396.601907] ? compat_start_thread+0x80/0x80 [ 396.606339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.611903] ? _raw_spin_unlock_irq+0x60/0x80 [ 396.616436] ? finish_task_switch+0x1f4/0x910 [ 396.620972] ? finish_task_switch+0x1b4/0x910 [ 396.625473] ? __switch_to_asm+0x34/0x70 [ 396.629541] ? preempt_notifier_register+0x200/0x200 [ 396.634670] ? __switch_to_asm+0x34/0x70 [ 396.638733] ? __switch_to_asm+0x40/0x70 [ 396.642795] ? __switch_to_asm+0x34/0x70 [ 396.646870] ? __switch_to_asm+0x40/0x70 [ 396.650932] ? __switch_to_asm+0x34/0x70 [ 396.655007] ? __switch_to_asm+0x40/0x70 [ 396.659078] ? __switch_to_asm+0x40/0x70 [ 396.663161] ? pvclock_read_flags+0x160/0x160 [ 396.667693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.673261] ? check_preemption_disabled+0x48/0x280 [ 396.678311] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 396.683859] ? rcu_pm_notify+0xc0/0xc0 [ 396.687751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.693299] ? check_preemption_disabled+0x48/0x280 [ 396.698335] run_timer_softirq+0x52/0xb0 [ 396.702397] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.707417] __do_softirq+0x308/0xb7e [ 396.711223] ? retint_kernel+0x2d/0x2d [ 396.715127] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.720243] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.725702] ? schedule+0x108/0x460 [ 396.729347] ? __schedule+0x21d0/0x21d0 [ 396.733346] ? trace_hardirqs_off+0xb8/0x310 [ 396.737775] ? smpboot_thread_fn+0x68b/0xa00 [ 396.742197] ? trace_hardirqs_on+0x310/0x310 [ 396.746611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.752148] ? check_preemption_disabled+0x48/0x280 [ 396.757164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.762702] ? takeover_tasklets+0xa90/0xa90 [ 396.767141] run_ksoftirqd+0x5e/0x100 [ 396.770944] smpboot_thread_fn+0x68b/0xa00 [ 396.775199] ? sort_range+0x30/0x30 [ 396.778872] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.783988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.789542] ? __kthread_parkme+0xfb/0x1a0 [ 396.793787] kthread+0x35a/0x420 [ 396.797202] ? sort_range+0x30/0x30 [ 396.800826] ? kthread_stop+0x900/0x900 [ 396.804825] ret_from_fork+0x3a/0x50 [ 396.808555] warn_alloc_show_mem: 1 callbacks suppressed [ 396.808566] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 396.808569] Mem-Info: [ 396.808604] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 396.808604] active_file:13 inactive_file:12 isolated_file:0 [ 396.808604] unevictable:0 dirty:0 writeback:0 unstable:0 [ 396.808604] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 396.808604] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 396.808604] free:13679 free_pcp:387 free_cma:0 [ 396.813960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.820633] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 396.823035] Call Trace: [ 396.855916] Node 0 [ 396.865264] [ 396.892807] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 396.895369] dump_stack+0x244/0x39d [ 396.897585] lowmem_reserve[]: [ 396.899736] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.925208] 0 2818 [ 396.928869] warn_alloc.cold.117+0xb7/0x1bd [ 396.931942] 6321 [ 396.937144] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.939370] 6321 [ 396.943690] ? lock_downgrade+0x900/0x900 [ 396.950592] ? trace_hardirqs_off+0xb8/0x310 [ 396.952635] Node 0 [ 396.956802] ? trace_hardirqs_off+0xb8/0x310 [ 396.961214] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 396.963429] __alloc_pages_slowpath+0x2660/0x2d70 [ 396.967820] lowmem_reserve[]: 0 [ 396.994853] ? warn_alloc+0x120/0x120 [ 396.999649] 0 [ 397.002936] ? warn_alloc+0x120/0x120 [ 397.006723] 3503 3503 [ 397.008538] ? print_usage_bug+0xc0/0xc0 [ 397.014807] ? warn_alloc+0x120/0x120 [ 397.018849] Node 0 [ 397.022655] ? print_usage_bug+0xc0/0xc0 [ 397.022687] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 397.022694] lowmem_reserve[]: [ 397.024927] ? __lock_acquire+0x62f/0x4c20 [ 397.028979] 0 [ 397.057339] ? __lock_acquire+0x62f/0x4c20 [ 397.057359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.060448] 0 [ 397.064678] ? should_fail+0x22d/0xd01 [ 397.066464] 0 [ 397.070699] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.076211] 0 [ 397.078029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.083721] ? __lock_acquire+0x62f/0x4c20 [ 397.088975] Node 0 [ 397.090775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.095856] DMA: [ 397.100087] ? __lock_acquire+0x62f/0x4c20 [ 397.102321] 1*4kB [ 397.107418] ? should_fail+0x22d/0xd01 [ 397.109460] (U) [ 397.113688] ? rcu_irq_exit+0x1a2/0x390 [ 397.113712] ? mark_held_locks+0x130/0x130 [ 397.115845] 0*8kB [ 397.119752] ? mark_held_locks+0x130/0x130 [ 397.121711] 0*16kB [ 397.125681] ? mark_held_locks+0xc7/0x130 [ 397.129910] 1*32kB [ 397.132054] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 397.136269] (U) [ 397.138514] ? zap_class+0x640/0x640 [ 397.142644] 2*64kB [ 397.144876] ? print_usage_bug+0xc0/0xc0 [ 397.149869] (U) [ 397.151847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.155546] 1*128kB [ 397.157792] ? check_preemption_disabled+0x48/0x280 [ 397.161837] (U) [ 397.163814] ? __lock_is_held+0xb5/0x140 [ 397.169322] 1*256kB [ 397.171657] __alloc_pages_nodemask+0xa80/0xde0 [ 397.176650] (U) [ 397.178624] ? zap_class+0x640/0x640 [ 397.182665] 0*512kB [ 397.184988] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 397.189637] 1*1024kB [ 397.191620] ? find_held_lock+0x36/0x1c0 [ 397.195311] (U) [ 397.197641] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.202633] 1*2048kB [ 397.205040] ? lock_downgrade+0x900/0x900 [ 397.209077] (M) [ 397.211056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.215705] 3*4096kB [ 397.218119] cache_grow_begin+0xa5/0x8c0 [ 397.222242] (M) [ 397.224228] ? do_raw_spin_unlock+0xa7/0x330 [ 397.229758] = 15908kB [ 397.232167] fallback_alloc+0x204/0x2e0 [ 397.236208] Node 0 [ 397.238184] ____cache_alloc_node+0x1c7/0x1e0 [ 397.242570] DMA32: [ 397.244977] kmem_cache_alloc_node+0xe3/0x730 [ 397.248952] 5*4kB [ 397.251186] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.255652] (M) 1*8kB [ 397.257904] __alloc_skb+0x119/0x770 [ 397.262372] (U) [ 397.264524] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.268731] 4*16kB [ 397.271226] ? netdev_alloc_frag+0x1f0/0x1f0 [ 397.274921] (M) [ 397.276894] ? lock_downgrade+0x900/0x900 [ 397.282152] 2*32kB [ 397.284390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.288770] (M) [ 397.290749] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.294870] 4*64kB [ 397.297108] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.302623] (UM) [ 397.304600] ? addrconf_rs_timer+0x690/0x690 [ 397.310028] 3*128kB [ 397.312270] ndisc_alloc_skb+0x144/0x340 [ 397.317689] (M) 4*256kB [ 397.319792] ndisc_send_rs+0x331/0x6e0 [ 397.324193] (UM) [ 397.326519] addrconf_rs_timer+0x314/0x690 [ 397.330562] 3*512kB [ 397.333231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.337098] (M) [ 397.339168] call_timer_fn+0x272/0x920 [ 397.343372] 3*1024kB [ 397.345700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.349914] (UM) [ 397.351903] ? process_timeout+0x40/0x40 [ 397.355772] 3*2048kB [ 397.358212] ? mark_held_locks+0xc7/0x130 [ 397.362420] (UM) [ 397.364486] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.368527] 3*4096kB [ 397.370933] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.375057] (M) [ 397.377152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.381625] = 24860kB [ 397.384029] ? lockdep_hardirqs_on+0x296/0x5b0 [ 397.388543] Node 0 [ 397.390518] ? trace_hardirqs_on+0xbd/0x310 [ 397.394733] Normal: [ 397.397143] ? kasan_check_read+0x11/0x20 [ 397.401708] 767*4kB [ 397.403972] ? __run_timers+0x7da/0xc70 [ 397.408274] (UME) [ 397.410603] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.414733] 454*8kB [ 397.417081] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.421036] (ME) [ 397.423198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.428296] 185*16kB (UME) [ 397.430629] __run_timers+0x7e5/0xc70 [ 397.434845] 80*32kB [ 397.436929] ? timer_fixup_init+0x70/0x70 [ 397.441150] (UME) [ 397.444103] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 397.447890] 22*64kB [ 397.450213] ? zap_class+0x640/0x640 [ 397.454342] (M) 1*128kB [ 397.456503] ? print_usage_bug+0xc0/0xc0 [ 397.461498] (U) [ 397.464333] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 397.468052] 1*256kB [ 397.470728] ? find_held_lock+0x36/0x1c0 [ 397.474764] (U) [ 397.476738] ? zap_class+0x640/0x640 [ 397.481906] 0*512kB [ 397.484229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.488263] 0*1024kB 0*2048kB [ 397.490258] ? check_preemption_disabled+0x48/0x280 [ 397.493945] 0*4096kB = 14012kB [ 397.496307] ? __lock_is_held+0xb5/0x140 [ 397.501846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 397.505034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.510032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 397.513218] ? check_preemption_disabled+0x48/0x280 [ 397.517259] 163 total pagecache pages [ 397.526098] run_timer_softirq+0x52/0xb0 [ 397.531616] 0 pages in swap cache [ 397.540183] ? rcu_read_lock_sched_held+0x14f/0x180 [ 397.545200] Swap cache stats: add 0, delete 0, find 0/0 [ 397.549003] __do_softirq+0x308/0xb7e [ 397.553046] Free swap = 0kB [ 397.556538] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 397.561562] Total swap = 0kB [ 397.566929] ? lock_downgrade+0x900/0x900 [ 397.570707] 1965979 pages RAM [ 397.573724] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 397.578235] 0 pages HighMem/MovableOnly [ 397.581276] ? pvclock_read_flags+0x160/0x160 [ 397.585411] 342867 pages reserved [ 397.588514] ? lapic_next_event+0x5a/0x90 [ 397.593607] 0 pages cma reserved [ 397.597576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.602183] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.605546] ? kvm_clock_read+0x18/0x30 [ 397.609772] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.613040] ? kvm_sched_clock_read+0x9/0x20 [ 397.618568] ksoftirqd/0 cpuset= [ 397.625084] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.629060] / [ 397.639378] ? check_preemption_disabled+0x48/0x280 [ 397.643766] mems_allowed=0 [ 397.647072] irq_exit+0x17f/0x1c0 [ 397.665673] smp_apic_timer_interrupt+0x1cb/0x760 [ 397.670540] ? smp_reschedule_interrupt+0x109/0x650 [ 397.675556] ? smp_call_function_single_interrupt+0x650/0x650 [ 397.681448] ? interrupt_entry+0xb5/0xc0 [ 397.685537] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.690555] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.695580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.700478] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.705501] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.710519] ? task_prio+0x50/0x50 [ 397.714064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.719629] ? check_preemption_disabled+0x48/0x280 [ 397.724663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.729519] apic_timer_interrupt+0xf/0x20 [ 397.733748] [ 397.735987] RIP: 0010:dump_stack+0x358/0x39d [ 397.740396] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 397.759343] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 397.767056] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 397.774335] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 397.781604] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 397.788877] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 397.796171] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 397.803473] ? dump_stack+0x34f/0x39d [ 397.807321] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.812527] dump_header+0x27b/0xf72 [ 397.816254] ? mark_held_locks+0x130/0x130 [ 397.820499] ? pagefault_out_of_memory+0x197/0x197 [ 397.825447] ? __lock_acquire+0x62f/0x4c20 [ 397.829680] ? zap_class+0x640/0x640 [ 397.833394] ? percpu_ref_get_many+0x240/0x240 [ 397.837988] ? print_usage_bug+0xc0/0xc0 [ 397.842049] ? print_usage_bug+0xc0/0xc0 [ 397.846122] ? zap_class+0x640/0x640 [ 397.849845] ? print_usage_bug+0xc0/0xc0 [ 397.853908] ? print_usage_bug+0xc0/0xc0 [ 397.857974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.863530] ? find_held_lock+0x36/0x1c0 [ 397.867615] ? mark_held_locks+0xc7/0x130 [ 397.871767] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.876875] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.881981] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 397.886572] ? trace_hardirqs_on+0xbd/0x310 [ 397.890898] ? kasan_check_read+0x11/0x20 [ 397.895047] ? ___ratelimit+0x3b4/0x672 [ 397.899023] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.904124] ? trace_hardirqs_on+0x310/0x310 [ 397.908536] ? lock_downgrade+0x900/0x900 [ 397.912691] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.917797] ? ___ratelimit+0x3b9/0x672 [ 397.921784] ? idr_get_free+0xec0/0xec0 [ 397.925758] ? find_held_lock+0x36/0x1c0 [ 397.929835] oom_kill_process.cold.27+0x10/0x903 [ 397.934593] ? zap_class+0x640/0x640 [ 397.938316] ? check_preemption_disabled+0x48/0x280 [ 397.943342] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.948272] ? kasan_check_read+0x11/0x20 [ 397.952449] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.957741] ? oom_evaluate_task+0x540/0x540 [ 397.962160] ? find_held_lock+0x36/0x1c0 [ 397.966244] ? out_of_memory+0x974/0x1430 [ 397.970396] ? lock_downgrade+0x900/0x900 [ 397.974547] ? check_preemption_disabled+0x48/0x280 [ 397.979593] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.984522] ? kasan_check_read+0x11/0x20 [ 397.988688] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.993972] ? rcu_softirq_qs+0x20/0x20 [ 397.997953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.003512] ? oom_evaluate_task+0x302/0x540 [ 398.007937] out_of_memory+0xa84/0x1430 [ 398.011928] ? oom_killer_disable+0x3a0/0x3a0 [ 398.016443] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 398.021380] ? __mutex_add_waiter+0x2a0/0x2a0 [ 398.025902] __alloc_pages_slowpath+0x22d4/0x2d70 [ 398.030792] ? warn_alloc+0x120/0x120 [ 398.034608] ? rcu_softirq_qs+0x20/0x20 [ 398.038618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.044154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.049692] ? should_fail+0x22d/0xd01 [ 398.053582] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.058683] ? zap_class+0x640/0x640 [ 398.062435] ? __lock_is_held+0xb5/0x140 [ 398.066498] ? mark_held_locks+0x130/0x130 [ 398.070742] ? lock_release+0xa00/0xa00 [ 398.074719] ? perf_trace_sched_process_exec+0x860/0x860 [ 398.080189] ? __might_sleep+0x95/0x190 [ 398.084171] __alloc_pages_nodemask+0xa80/0xde0 [ 398.088866] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 398.093884] ? __page_cache_alloc+0x191/0x5c0 [ 398.098380] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.103333] ? kasan_check_read+0x11/0x20 [ 398.107487] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.112786] ? zap_class+0x640/0x640 [ 398.116515] ? zap_class+0x640/0x640 [ 398.120229] ? zap_class+0x640/0x640 [ 398.123944] ? __do_page_cache_readahead+0x7ce/0x980 [ 398.129057] ? find_held_lock+0x36/0x1c0 [ 398.133128] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 398.138674] alloc_pages_current+0x173/0x350 [ 398.143093] __page_cache_alloc+0x38c/0x5c0 [ 398.147419] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.152351] ? kasan_check_read+0x11/0x20 [ 398.156518] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.161799] ? generic_perform_write+0x6a0/0x6a0 [ 398.166564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.172110] ? check_preemption_disabled+0x48/0x280 [ 398.177138] filemap_fault+0x1594/0x25f0 [ 398.181217] ? __lock_page_or_retry+0xa00/0xa00 [ 398.185893] ? mark_held_locks+0x130/0x130 [ 398.190133] ? rcu_softirq_qs+0x20/0x20 [ 398.194112] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 398.199220] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 398.203812] ? trace_hardirqs_on+0xbd/0x310 [ 398.208147] ? filemap_map_pages+0xe04/0x1990 [ 398.212661] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 398.217768] ? __free_object+0x173/0x340 [ 398.221851] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 398.226787] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.231912] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 398.236596] ? debug_object_free+0x32d/0x690 [ 398.241005] ? kasan_check_read+0x11/0x20 [ 398.245166] ? debug_object_destroy+0x2b0/0x2b0 [ 398.249847] ? lock_pi_update_atomic+0x150/0x150 [ 398.254606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.260163] ? __hrtimer_init+0xdb/0x240 [ 398.264239] ? lock_acquire+0x1ed/0x520 [ 398.268214] ? ext4_filemap_fault+0x7a/0xad [ 398.272543] ? lock_release+0xa00/0xa00 [ 398.276518] ? perf_trace_sched_process_exec+0x860/0x860 [ 398.281969] ? print_usage_bug+0xc0/0xc0 [ 398.286038] ? print_usage_bug+0xc0/0xc0 [ 398.290114] ? down_read+0x8d/0x120 [ 398.293741] ? ext4_filemap_fault+0x7a/0xad [ 398.298063] ? __down_interruptible+0x700/0x700 [ 398.302743] ext4_filemap_fault+0x82/0xad [ 398.306895] __do_fault+0x100/0x6b0 [ 398.310534] ? pmd_devmap_trans_unstable+0x220/0x220 [ 398.315645] ? mark_held_locks+0x130/0x130 [ 398.319887] ? mark_held_locks+0x130/0x130 [ 398.324129] ? debug_smp_processor_id+0x1c/0x20 [ 398.328798] ? perf_trace_lock+0x14d/0x7a0 [ 398.333045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.338588] __handle_mm_fault+0x307c/0x5920 [ 398.342998] ? perf_trace_lock+0x7a0/0x7a0 [ 398.347245] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 398.352091] ? lock_is_held_type+0x210/0x210 [ 398.356693] ? ksys_dup3+0x680/0x680 [ 398.360425] ? zap_class+0x640/0x640 [ 398.364142] ? zap_class+0x640/0x640 [ 398.367870] ? __x64_sys_futex+0x53e/0x6a0 [ 398.372111] ? find_held_lock+0x36/0x1c0 [ 398.376182] ? handle_mm_fault+0x42a/0xc70 [ 398.380433] ? lock_downgrade+0x900/0x900 [ 398.384582] ? check_preemption_disabled+0x48/0x280 [ 398.389608] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.394543] ? kasan_check_read+0x11/0x20 [ 398.398693] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.404000] ? rcu_softirq_qs+0x20/0x20 [ 398.407983] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.413086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.418627] ? check_preemption_disabled+0x48/0x280 [ 398.423655] handle_mm_fault+0x54f/0xc70 [ 398.427721] ? __handle_mm_fault+0x5920/0x5920 [ 398.432318] ? find_vma+0x34/0x190 [ 398.435867] __do_page_fault+0x5e8/0xe60 [ 398.439927] ? trace_hardirqs_off+0xb8/0x310 [ 398.444342] ? kernel_write+0x120/0x120 [ 398.448331] do_page_fault+0xf2/0x7e0 [ 398.452140] ? vmalloc_sync_all+0x30/0x30 [ 398.456300] ? error_entry+0x70/0xd0 [ 398.460016] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.465043] ? trace_hardirqs_on_caller+0xc0/0x310 [ 398.469979] ? syscall_return_slowpath+0x5e0/0x5e0 [ 398.474907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.479753] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.484769] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.490242] ? prepare_exit_to_usermode+0x291/0x3b0 [ 398.495262] ? page_fault+0x8/0x30 [ 398.498816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.503694] ? page_fault+0x8/0x30 [ 398.507239] page_fault+0x1e/0x30 [ 398.510693] RIP: 0033:0x45ddf3 [ 398.513892] Code: Bad RIP value. [ 398.517255] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 398.522629] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 398.529895] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 398.537160] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 398.544443] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 398.551711] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 398.559013] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 398.559101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.565526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.565535] Call Trace: [ 398.572138] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.581392] dump_stack+0x244/0x39d [ 398.583957] syz-fuzzer cpuset= [ 398.594177] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.597789] / [ 398.600989] warn_alloc.cold.117+0xb7/0x1bd [ 398.606152] mems_allowed=0 [ 398.607876] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.619946] ? lock_downgrade+0x900/0x900 [ 398.624122] ? trace_hardirqs_off+0xb8/0x310 [ 398.628566] ? trace_hardirqs_off+0xb8/0x310 [ 398.632986] __alloc_pages_slowpath+0x2660/0x2d70 [ 398.637860] ? warn_alloc+0x120/0x120 [ 398.641685] ? warn_alloc+0x120/0x120 [ 398.645493] ? print_usage_bug+0xc0/0xc0 [ 398.649582] ? warn_alloc+0x120/0x120 [ 398.653387] ? print_usage_bug+0xc0/0xc0 [ 398.657450] ? __lock_acquire+0x62f/0x4c20 [ 398.661717] ? __lock_acquire+0x62f/0x4c20 [ 398.665957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.671513] ? should_fail+0x22d/0xd01 [ 398.675406] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.680514] ? __lock_acquire+0x62f/0x4c20 [ 398.684754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.689858] ? __lock_acquire+0x62f/0x4c20 [ 398.694090] ? should_fail+0x22d/0xd01 [ 398.697981] ? find_held_lock+0x36/0x1c0 [ 398.702078] ? mark_held_locks+0x130/0x130 [ 398.706337] ? mark_held_locks+0x130/0x130 [ 398.710572] ? zap_class+0x640/0x640 [ 398.714303] ? mark_held_locks+0xc7/0x130 [ 398.718471] ? do_raw_spin_unlock+0xa7/0x330 [ 398.722896] ? zap_class+0x640/0x640 [ 398.726655] ? print_usage_bug+0xc0/0xc0 [ 398.730720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.736261] ? check_preemption_disabled+0x48/0x280 [ 398.741304] ? __lock_is_held+0xb5/0x140 [ 398.745379] __alloc_pages_nodemask+0xa80/0xde0 [ 398.750058] ? zap_class+0x640/0x640 [ 398.753818] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 398.758848] ? find_held_lock+0x36/0x1c0 [ 398.762941] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.767613] ? lock_downgrade+0x900/0x900 [ 398.771793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.777354] cache_grow_begin+0xa5/0x8c0 [ 398.781436] ? do_raw_spin_unlock+0xa7/0x330 [ 398.785866] fallback_alloc+0x204/0x2e0 [ 398.789861] ____cache_alloc_node+0x1c7/0x1e0 [ 398.794362] kmem_cache_alloc_node+0xe3/0x730 [ 398.798861] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.803119] __alloc_skb+0x119/0x770 [ 398.806834] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.812142] ? netdev_alloc_frag+0x1f0/0x1f0 [ 398.816558] ? lock_downgrade+0x900/0x900 [ 398.820724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.826266] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.831730] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.837179] ? addrconf_rs_timer+0x690/0x690 [ 398.841606] ndisc_alloc_skb+0x144/0x340 [ 398.845677] ndisc_send_rs+0x331/0x6e0 [ 398.849612] addrconf_rs_timer+0x314/0x690 [ 398.853870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.858130] call_timer_fn+0x272/0x920 [ 398.862049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.866301] ? process_timeout+0x40/0x40 [ 398.870384] ? __run_timers+0x7da/0xc70 [ 398.874365] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.878862] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.883360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.887595] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.892191] ? trace_hardirqs_on+0xbd/0x310 [ 398.896529] ? kasan_check_read+0x11/0x20 [ 398.900707] ? __run_timers+0x7da/0xc70 [ 398.904689] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.909795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.914050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.918298] __run_timers+0x7e5/0xc70 [ 398.922130] ? timer_fixup_init+0x70/0x70 [ 398.926304] ? compat_start_thread+0x80/0x80 [ 398.930736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.936279] ? _raw_spin_unlock_irq+0x60/0x80 [ 398.940791] ? finish_task_switch+0x1f4/0x910 [ 398.945336] ? finish_task_switch+0x1b4/0x910 [ 398.949883] ? __switch_to_asm+0x34/0x70 [ 398.953962] ? preempt_notifier_register+0x200/0x200 [ 398.959125] ? __switch_to_asm+0x34/0x70 [ 398.963199] ? __switch_to_asm+0x40/0x70 [ 398.967265] ? __switch_to_asm+0x34/0x70 [ 398.971354] ? __switch_to_asm+0x40/0x70 [ 398.975423] ? __switch_to_asm+0x34/0x70 [ 398.979485] ? __switch_to_asm+0x40/0x70 [ 398.983557] ? __switch_to_asm+0x40/0x70 [ 398.987628] ? pvclock_read_flags+0x160/0x160 [ 398.992148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.997689] ? check_preemption_disabled+0x48/0x280 [ 399.002733] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 399.008278] ? rcu_pm_notify+0xc0/0xc0 [ 399.012179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.017735] ? check_preemption_disabled+0x48/0x280 [ 399.022768] run_timer_softirq+0x52/0xb0 [ 399.026827] ? rcu_read_lock_sched_held+0x14f/0x180 [ 399.031854] __do_softirq+0x308/0xb7e [ 399.035662] ? retint_kernel+0x2d/0x2d [ 399.039555] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 399.044658] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.050113] ? schedule+0x108/0x460 [ 399.053753] ? __schedule+0x21d0/0x21d0 [ 399.057749] ? trace_hardirqs_off+0xb8/0x310 [ 399.062166] ? smpboot_thread_fn+0x68b/0xa00 [ 399.066583] ? trace_hardirqs_on+0x310/0x310 [ 399.071020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.076583] ? check_preemption_disabled+0x48/0x280 [ 399.081600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.087138] ? takeover_tasklets+0xa90/0xa90 [ 399.091551] run_ksoftirqd+0x5e/0x100 [ 399.095359] smpboot_thread_fn+0x68b/0xa00 [ 399.099598] ? sort_range+0x30/0x30 [ 399.103238] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.108397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.113941] ? __kthread_parkme+0xfb/0x1a0 [ 399.118182] kthread+0x35a/0x420 [ 399.121549] ? sort_range+0x30/0x30 [ 399.125179] ? kthread_stop+0x900/0x900 [ 399.129161] ret_from_fork+0x3a/0x50 [ 399.132891] warn_alloc_show_mem: 1 callbacks suppressed [ 399.132916] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 399.132919] Mem-Info: [ 399.132949] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 399.132949] active_file:13 inactive_file:12 isolated_file:0 [ 399.132949] unevictable:0 dirty:0 writeback:0 unstable:0 [ 399.132949] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 399.132949] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 399.132949] free:13679 free_pcp:387 free_cma:0 [ 399.138310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.144987] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 399.147387] Call Trace: [ 399.180279] Node 0 [ 399.189640] [ 399.217147] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 399.219708] dump_stack+0x244/0x39d [ 399.221915] lowmem_reserve[]: [ 399.224082] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.249557] 0 2818 [ 399.253207] warn_alloc.cold.117+0xb7/0x1bd [ 399.256302] 6321 [ 399.261490] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.263703] 6321 [ 399.268037] ? lock_downgrade+0x900/0x900 [ 399.274924] ? trace_hardirqs_off+0xb8/0x310 [ 399.276981] Node 0 [ 399.281130] ? trace_hardirqs_off+0xb8/0x310 [ 399.285537] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 399.287750] __alloc_pages_slowpath+0x2660/0x2d70 [ 399.292150] lowmem_reserve[]: [ 399.319161] ? warn_alloc+0x120/0x120 [ 399.323963] 0 [ 399.327067] ? warn_alloc+0x120/0x120 [ 399.330855] 0 [ 399.332656] ? print_usage_bug+0xc0/0xc0 [ 399.336446] 3503 [ 399.338243] ? warn_alloc+0x120/0x120 [ 399.342295] 3503 [ 399.344368] ? print_usage_bug+0xc0/0xc0 [ 399.350218] ? __lock_acquire+0x62f/0x4c20 [ 399.354258] Node 0 [ 399.358495] ? __lock_acquire+0x62f/0x4c20 [ 399.358532] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 399.360743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.364965] lowmem_reserve[]: [ 399.393358] ? should_fail+0x22d/0xd01 [ 399.398878] 0 [ 399.401985] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.405845] 0 [ 399.407650] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.412916] 0 [ 399.414720] ? __lock_acquire+0x62f/0x4c20 [ 399.419807] 0 [ 399.421612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.427632] ? __lock_acquire+0x62f/0x4c20 [ 399.432717] Node 0 [ 399.436947] ? should_fail+0x22d/0xd01 [ 399.436957] DMA: [ 399.439226] ? rcu_irq_exit+0x1a2/0x390 [ 399.443104] 1*4kB [ 399.445177] ? mark_held_locks+0x130/0x130 [ 399.449146] (U) [ 399.451309] ? mark_held_locks+0x130/0x130 [ 399.455533] 0*8kB [ 399.457512] ? mark_held_locks+0xc7/0x130 [ 399.461724] 0*16kB [ 399.464346] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 399.468479] 1*32kB [ 399.470711] ? zap_class+0x640/0x640 [ 399.475708] (U) [ 399.477939] ? print_usage_bug+0xc0/0xc0 [ 399.481642] 2*64kB [ 399.483651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.487715] (U) [ 399.489947] ? check_preemption_disabled+0x48/0x280 [ 399.495461] 1*128kB [ 399.497452] ? __lock_is_held+0xb5/0x140 [ 399.502457] (U) [ 399.504784] __alloc_pages_nodemask+0xa80/0xde0 [ 399.508816] 1*256kB (U) 0*512kB [ 399.510807] ? zap_class+0x640/0x640 [ 399.515454] 1*1024kB [ 399.518814] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 399.522507] (U) [ 399.524923] ? find_held_lock+0x36/0x1c0 [ 399.529925] 1*2048kB [ 399.531905] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.535952] (M) [ 399.538389] ? lock_downgrade+0x900/0x900 [ 399.543034] 3*4096kB [ 399.545014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.549134] (M) [ 399.551553] cache_grow_begin+0xa5/0x8c0 [ 399.557069] = 15908kB [ 399.559040] ? do_raw_spin_unlock+0xa7/0x330 [ 399.563090] Node 0 [ 399.565502] fallback_alloc+0x204/0x2e0 [ 399.569905] DMA32: [ 399.572142] ____cache_alloc_node+0x1c7/0x1e0 [ 399.576113] 5*4kB [ 399.578361] kmem_cache_alloc_node+0xe3/0x730 [ 399.582849] (M) [ 399.585003] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.589481] 1*8kB [ 399.591464] __alloc_skb+0x119/0x770 [ 399.595669] (U) [ 399.597820] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.601518] 4*16kB [ 399.603494] ? netdev_alloc_frag+0x1f0/0x1f0 [ 399.608751] (M) [ 399.610982] ? lock_downgrade+0x900/0x900 [ 399.615370] 2*32kB [ 399.617348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.621473] (M) [ 399.623711] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.629225] 4*64kB [ 399.631205] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.636650] (UM) [ 399.638895] ? addrconf_rs_timer+0x690/0x690 [ 399.644332] 3*128kB [ 399.646398] ndisc_alloc_skb+0x144/0x340 [ 399.650777] (M) [ 399.653101] ndisc_send_rs+0x331/0x6e0 [ 399.657144] 4*256kB [ 399.659123] addrconf_rs_timer+0x314/0x690 [ 399.662987] (UM) [ 399.665382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.669597] 3*512kB [ 399.671665] call_timer_fn+0x272/0x920 [ 399.675866] (M) [ 399.678187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.682059] 3*1024kB [ 399.684030] ? process_timeout+0x40/0x40 [ 399.688243] (UM) [ 399.690657] ? mark_held_locks+0xc7/0x130 [ 399.694690] 3*2048kB [ 399.696749] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.700869] (UM) [ 399.703277] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.707758] 3*4096kB [ 399.709841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.714318] (M) [ 399.716741] ? lockdep_hardirqs_on+0x296/0x5b0 [ 399.720954] = 24860kB [ 399.722940] ? trace_hardirqs_on+0xbd/0x310 [ 399.727503] Node 0 [ 399.729930] ? kasan_check_read+0x11/0x20 [ 399.734227] Normal: [ 399.736464] ? __run_timers+0x7da/0xc70 [ 399.740588] 767*4kB [ 399.742920] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.746875] (UME) [ 399.749209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.754298] 454*8kB (ME) [ 399.756490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.760700] 185*16kB (UME) [ 399.763472] __run_timers+0x7e5/0xc70 [ 399.767687] 80*32kB [ 399.770653] ? timer_fixup_init+0x70/0x70 [ 399.774424] (UME) [ 399.776744] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 399.780871] 22*64kB [ 399.783017] ? zap_class+0x640/0x640 [ 399.788034] (M) [ 399.790360] ? print_usage_bug+0xc0/0xc0 [ 399.794059] 1*128kB [ 399.796057] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 399.800097] (U) [ 399.802420] ? find_held_lock+0x36/0x1c0 [ 399.807588] 1*256kB [ 399.809561] ? zap_class+0x640/0x640 [ 399.813604] (U) [ 399.815933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.819622] 0*512kB [ 399.821635] ? check_preemption_disabled+0x48/0x280 [ 399.827152] 0*1024kB [ 399.829511] ? __lock_is_held+0xb5/0x140 [ 399.834504] 0*2048kB [ 399.836917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.840954] 0*4096kB [ 399.843357] ? check_preemption_disabled+0x48/0x280 [ 399.848871] = 14012kB [ 399.851302] run_timer_softirq+0x52/0xb0 [ 399.856309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 399.858708] ? rcu_read_lock_sched_held+0x14f/0x180 [ 399.862752] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 399.871591] __do_softirq+0x308/0xb7e [ 399.876618] 163 total pagecache pages [ 399.885191] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 399.888991] 0 pages in swap cache [ 399.892787] ? lock_downgrade+0x900/0x900 [ 399.897267] Swap cache stats: add 0, delete 0, find 0/0 [ 399.900723] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 399.904850] Free swap = 0kB [ 399.910229] ? pvclock_read_flags+0x160/0x160 [ 399.915314] Total swap = 0kB [ 399.915323] 1965979 pages RAM [ 399.918348] ? lapic_next_event+0x5a/0x90 [ 399.922814] 0 pages HighMem/MovableOnly [ 399.922823] 342867 pages reserved [ 399.925855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.928939] 0 pages cma reserved [ 399.933090] ? kvm_clock_read+0x18/0x30 [ 399.937112] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.940483] ? kvm_sched_clock_read+0x9/0x20 [ 399.940499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.940520] ? check_preemption_disabled+0x48/0x280 [ 399.946108] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.949412] irq_exit+0x17f/0x1c0 [ 399.953367] ksoftirqd/0 cpuset= [ 399.959860] smp_apic_timer_interrupt+0x1cb/0x760 [ 399.964248] / [ 399.969802] ? smp_reschedule_interrupt+0x109/0x650 [ 399.974826] mems_allowed=0 [ 399.985150] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.012202] ? interrupt_entry+0xb5/0xc0 [ 400.016271] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.021315] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.026341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.031190] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.036207] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.041239] ? task_prio+0x50/0x50 [ 400.044781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.050328] ? check_preemption_disabled+0x48/0x280 [ 400.055395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.060257] apic_timer_interrupt+0xf/0x20 [ 400.064492] [ 400.066748] RIP: 0010:dump_stack+0x358/0x39d [ 400.071154] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 400.090065] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 400.097778] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 400.105047] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 400.112318] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 400.119587] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 400.126854] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 400.134150] ? dump_stack+0x34f/0x39d [ 400.137962] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.143177] dump_header+0x27b/0xf72 [ 400.146910] ? mark_held_locks+0x130/0x130 [ 400.151150] ? pagefault_out_of_memory+0x197/0x197 [ 400.156100] ? __lock_acquire+0x62f/0x4c20 [ 400.160352] ? zap_class+0x640/0x640 [ 400.164076] ? percpu_ref_get_many+0x240/0x240 [ 400.168674] ? print_usage_bug+0xc0/0xc0 [ 400.172742] ? print_usage_bug+0xc0/0xc0 [ 400.176808] ? zap_class+0x640/0x640 [ 400.180534] ? print_usage_bug+0xc0/0xc0 [ 400.184597] ? print_usage_bug+0xc0/0xc0 [ 400.188669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.194241] ? find_held_lock+0x36/0x1c0 [ 400.198336] ? mark_held_locks+0xc7/0x130 [ 400.202491] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 400.207599] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 400.212702] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 400.217293] ? trace_hardirqs_on+0xbd/0x310 [ 400.221616] ? kasan_check_read+0x11/0x20 [ 400.225779] ? ___ratelimit+0x3b4/0x672 [ 400.229755] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.234860] ? trace_hardirqs_on+0x310/0x310 [ 400.239272] ? lock_downgrade+0x900/0x900 [ 400.243452] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.248561] ? ___ratelimit+0x3b9/0x672 [ 400.252549] ? idr_get_free+0xec0/0xec0 [ 400.256528] ? find_held_lock+0x36/0x1c0 [ 400.260601] oom_kill_process.cold.27+0x10/0x903 [ 400.265372] ? zap_class+0x640/0x640 [ 400.269085] ? check_preemption_disabled+0x48/0x280 [ 400.274143] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 400.279077] ? kasan_check_read+0x11/0x20 [ 400.283226] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.288516] ? oom_evaluate_task+0x540/0x540 [ 400.292944] ? find_held_lock+0x36/0x1c0 [ 400.297052] ? out_of_memory+0x974/0x1430 [ 400.301234] ? lock_downgrade+0x900/0x900 [ 400.305387] ? check_preemption_disabled+0x48/0x280 [ 400.310412] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 400.315363] ? kasan_check_read+0x11/0x20 [ 400.319520] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.324829] ? rcu_softirq_qs+0x20/0x20 [ 400.328808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.334351] ? oom_evaluate_task+0x302/0x540 [ 400.338764] out_of_memory+0xa84/0x1430 [ 400.342754] ? oom_killer_disable+0x3a0/0x3a0 [ 400.347253] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 400.352213] ? __mutex_add_waiter+0x2a0/0x2a0 [ 400.356854] __alloc_pages_slowpath+0x22d4/0x2d70 [ 400.361748] ? warn_alloc+0x120/0x120 [ 400.365570] ? rcu_softirq_qs+0x20/0x20 [ 400.369576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.375116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.380663] ? should_fail+0x22d/0xd01 [ 400.384557] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.389661] ? zap_class+0x640/0x640 [ 400.393397] ? __lock_is_held+0xb5/0x140 [ 400.397492] ? mark_held_locks+0x130/0x130 [ 400.401744] ? lock_release+0xa00/0xa00 [ 400.405733] ? perf_trace_sched_process_exec+0x860/0x860 [ 400.411297] ? __might_sleep+0x95/0x190 [ 400.415309] __alloc_pages_nodemask+0xa80/0xde0 [ 400.419987] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 400.425006] ? __page_cache_alloc+0x191/0x5c0 [ 400.429503] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 400.434452] ? kasan_check_read+0x11/0x20 [ 400.438602] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.443882] ? zap_class+0x640/0x640 [ 400.447603] ? zap_class+0x640/0x640 [ 400.451317] ? zap_class+0x640/0x640 [ 400.455039] ? __do_page_cache_readahead+0x7ce/0x980 [ 400.460162] ? find_held_lock+0x36/0x1c0 [ 400.464230] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 400.469789] alloc_pages_current+0x173/0x350 [ 400.474208] __page_cache_alloc+0x38c/0x5c0 [ 400.478532] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 400.483465] ? kasan_check_read+0x11/0x20 [ 400.487627] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.492927] ? generic_perform_write+0x6a0/0x6a0 [ 400.497692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.503234] ? check_preemption_disabled+0x48/0x280 [ 400.508275] filemap_fault+0x1594/0x25f0 [ 400.512388] ? __lock_page_or_retry+0xa00/0xa00 [ 400.517112] ? mark_held_locks+0x130/0x130 [ 400.521360] ? rcu_softirq_qs+0x20/0x20 [ 400.525343] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 400.530449] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 400.535053] ? trace_hardirqs_on+0xbd/0x310 [ 400.539383] ? filemap_map_pages+0xe04/0x1990 [ 400.543904] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.549020] ? __free_object+0x173/0x340 [ 400.553083] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 400.558016] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.563122] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 400.567806] ? debug_object_free+0x32d/0x690 [ 400.572220] ? kasan_check_read+0x11/0x20 [ 400.576370] ? debug_object_destroy+0x2b0/0x2b0 [ 400.581049] ? lock_pi_update_atomic+0x150/0x150 [ 400.585817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.591363] ? __hrtimer_init+0xdb/0x240 [ 400.595438] ? lock_acquire+0x1ed/0x520 [ 400.599419] ? ext4_filemap_fault+0x7a/0xad [ 400.603760] ? lock_release+0xa00/0xa00 [ 400.607750] ? perf_trace_sched_process_exec+0x860/0x860 [ 400.613200] ? print_usage_bug+0xc0/0xc0 [ 400.617260] ? print_usage_bug+0xc0/0xc0 [ 400.621341] ? down_read+0x8d/0x120 [ 400.624991] ? ext4_filemap_fault+0x7a/0xad [ 400.629318] ? __down_interruptible+0x700/0x700 [ 400.634012] ext4_filemap_fault+0x82/0xad [ 400.638166] __do_fault+0x100/0x6b0 [ 400.641800] ? pmd_devmap_trans_unstable+0x220/0x220 [ 400.646926] ? mark_held_locks+0x130/0x130 [ 400.651160] ? mark_held_locks+0x130/0x130 [ 400.655396] ? debug_smp_processor_id+0x1c/0x20 [ 400.660079] ? perf_trace_lock+0x14d/0x7a0 [ 400.664343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.669917] __handle_mm_fault+0x307c/0x5920 [ 400.674326] ? perf_trace_lock+0x7a0/0x7a0 [ 400.678572] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 400.683420] ? lock_is_held_type+0x210/0x210 [ 400.687877] ? ksys_dup3+0x680/0x680 [ 400.691604] ? zap_class+0x640/0x640 [ 400.695320] ? zap_class+0x640/0x640 [ 400.699043] ? __x64_sys_futex+0x53e/0x6a0 [ 400.703303] ? find_held_lock+0x36/0x1c0 [ 400.707377] ? handle_mm_fault+0x42a/0xc70 [ 400.711619] ? lock_downgrade+0x900/0x900 [ 400.715812] ? check_preemption_disabled+0x48/0x280 [ 400.720846] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 400.725780] ? kasan_check_read+0x11/0x20 [ 400.729945] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.735233] ? rcu_softirq_qs+0x20/0x20 [ 400.739223] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.744329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.749881] ? check_preemption_disabled+0x48/0x280 [ 400.754907] handle_mm_fault+0x54f/0xc70 [ 400.758991] ? __handle_mm_fault+0x5920/0x5920 [ 400.763579] ? find_vma+0x34/0x190 [ 400.767130] __do_page_fault+0x5e8/0xe60 [ 400.771193] ? trace_hardirqs_off+0xb8/0x310 [ 400.775602] ? kernel_write+0x120/0x120 [ 400.779587] do_page_fault+0xf2/0x7e0 [ 400.783392] ? vmalloc_sync_all+0x30/0x30 [ 400.787545] ? error_entry+0x70/0xd0 [ 400.791275] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.796312] ? trace_hardirqs_on_caller+0xc0/0x310 [ 400.801244] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.806174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.811036] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.816052] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.821510] ? prepare_exit_to_usermode+0x291/0x3b0 [ 400.826535] ? page_fault+0x8/0x30 [ 400.830082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.834965] ? page_fault+0x8/0x30 [ 400.838512] page_fault+0x1e/0x30 [ 400.841970] RIP: 0033:0x45ddf3 [ 400.845174] Code: Bad RIP value. [ 400.848561] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 400.853925] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 400.861194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 400.868493] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 400.875760] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 400.883028] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 400.890339] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 400.890401] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.896841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.896850] Call Trace: [ 400.903439] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.912706] dump_stack+0x244/0x39d [ 400.915301] syz-fuzzer cpuset= [ 400.925530] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.929138] / [ 400.932370] warn_alloc.cold.117+0xb7/0x1bd [ 400.937532] mems_allowed=0 [ 400.939242] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.951320] ? lock_downgrade+0x900/0x900 [ 400.955485] ? trace_hardirqs_off+0xb8/0x310 [ 400.959901] ? trace_hardirqs_off+0xb8/0x310 [ 400.964334] __alloc_pages_slowpath+0x2660/0x2d70 [ 400.969246] ? warn_alloc+0x120/0x120 [ 400.973079] ? warn_alloc+0x120/0x120 [ 400.976886] ? print_usage_bug+0xc0/0xc0 [ 400.980970] ? warn_alloc+0x120/0x120 [ 400.984835] ? print_usage_bug+0xc0/0xc0 [ 400.988901] ? __lock_acquire+0x62f/0x4c20 [ 400.993151] ? __lock_acquire+0x62f/0x4c20 [ 400.997396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.002943] ? should_fail+0x22d/0xd01 [ 401.006833] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.011944] ? __lock_acquire+0x62f/0x4c20 [ 401.016195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.021348] ? __lock_acquire+0x62f/0x4c20 [ 401.025583] ? should_fail+0x22d/0xd01 [ 401.029474] ? find_held_lock+0x36/0x1c0 [ 401.033561] ? mark_held_locks+0x130/0x130 [ 401.037813] ? mark_held_locks+0x130/0x130 [ 401.042050] ? zap_class+0x640/0x640 [ 401.045768] ? zap_class+0x640/0x640 [ 401.049508] ? print_usage_bug+0xc0/0xc0 [ 401.053582] ? do_raw_spin_unlock+0xa7/0x330 [ 401.058009] ? zap_class+0x640/0x640 [ 401.061722] ? print_usage_bug+0xc0/0xc0 [ 401.065781] ? wq_watchdog_touch+0x9c/0xfe [ 401.070024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.075586] ? check_preemption_disabled+0x48/0x280 [ 401.080641] ? __lock_is_held+0xb5/0x140 [ 401.084713] __alloc_pages_nodemask+0xa80/0xde0 [ 401.089391] ? zap_class+0x640/0x640 [ 401.093141] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 401.098174] ? find_held_lock+0x36/0x1c0 [ 401.102249] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.106927] ? lock_downgrade+0x900/0x900 [ 401.111090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.116661] cache_grow_begin+0xa5/0x8c0 [ 401.120725] ? do_raw_spin_unlock+0xa7/0x330 [ 401.125143] fallback_alloc+0x204/0x2e0 [ 401.129124] ____cache_alloc_node+0x1c7/0x1e0 [ 401.133624] kmem_cache_alloc_node+0xe3/0x730 [ 401.138123] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.142373] __alloc_skb+0x119/0x770 [ 401.146095] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.151374] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.155801] ? lock_downgrade+0x900/0x900 [ 401.159957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.165526] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.170980] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.176432] ? addrconf_rs_timer+0x690/0x690 [ 401.180856] ndisc_alloc_skb+0x144/0x340 [ 401.184953] ndisc_send_rs+0x331/0x6e0 [ 401.188845] addrconf_rs_timer+0x314/0x690 [ 401.193093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.197362] call_timer_fn+0x272/0x920 [ 401.201253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.205514] ? process_timeout+0x40/0x40 [ 401.209590] ? __run_timers+0x7da/0xc70 [ 401.213580] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.218092] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.222599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.226840] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.231428] ? trace_hardirqs_on+0xbd/0x310 [ 401.235749] ? kasan_check_read+0x11/0x20 [ 401.239900] ? __run_timers+0x7da/0xc70 [ 401.243879] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.248989] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.253231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.257471] __run_timers+0x7e5/0xc70 [ 401.261311] ? timer_fixup_init+0x70/0x70 [ 401.265471] ? compat_start_thread+0x80/0x80 [ 401.269883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.275452] ? _raw_spin_unlock_irq+0x60/0x80 [ 401.279956] ? finish_task_switch+0x1f4/0x910 [ 401.284475] ? finish_task_switch+0x1b4/0x910 [ 401.288995] ? __switch_to_asm+0x34/0x70 [ 401.293098] ? preempt_notifier_register+0x200/0x200 [ 401.298200] ? __switch_to_asm+0x34/0x70 [ 401.302261] ? __switch_to_asm+0x40/0x70 [ 401.306333] ? __switch_to_asm+0x34/0x70 [ 401.310398] ? __switch_to_asm+0x40/0x70 [ 401.314458] ? __switch_to_asm+0x34/0x70 [ 401.318528] ? __switch_to_asm+0x40/0x70 [ 401.322600] ? __switch_to_asm+0x40/0x70 [ 401.326667] ? pvclock_read_flags+0x160/0x160 [ 401.331164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.336715] ? check_preemption_disabled+0x48/0x280 [ 401.341743] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 401.347303] ? rcu_pm_notify+0xc0/0xc0 [ 401.351197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.356738] ? check_preemption_disabled+0x48/0x280 [ 401.361760] run_timer_softirq+0x52/0xb0 [ 401.365839] ? rcu_read_lock_sched_held+0x14f/0x180 [ 401.370868] __do_softirq+0x308/0xb7e [ 401.374707] ? retint_kernel+0x2d/0x2d [ 401.378609] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 401.383734] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.389193] ? schedule+0x108/0x460 [ 401.392864] ? __schedule+0x21d0/0x21d0 [ 401.396861] ? trace_hardirqs_off+0xb8/0x310 [ 401.401274] ? smpboot_thread_fn+0x68b/0xa00 [ 401.405704] ? trace_hardirqs_on+0x310/0x310 [ 401.410116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.415655] ? check_preemption_disabled+0x48/0x280 [ 401.420670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.426210] ? takeover_tasklets+0xa90/0xa90 [ 401.430622] run_ksoftirqd+0x5e/0x100 [ 401.434426] smpboot_thread_fn+0x68b/0xa00 [ 401.438688] ? sort_range+0x30/0x30 [ 401.442337] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.447455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.453009] ? __kthread_parkme+0xfb/0x1a0 [ 401.457254] kthread+0x35a/0x420 [ 401.460633] ? sort_range+0x30/0x30 [ 401.464427] ? kthread_stop+0x900/0x900 [ 401.468423] ret_from_fork+0x3a/0x50 [ 401.472168] warn_alloc_show_mem: 1 callbacks suppressed [ 401.472180] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 401.472182] Mem-Info: [ 401.472214] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 401.472214] active_file:13 inactive_file:12 isolated_file:0 [ 401.472214] unevictable:0 dirty:0 writeback:0 unstable:0 [ 401.472214] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 401.472214] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 401.472214] free:13679 free_pcp:387 free_cma:0 [ 401.477564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.484239] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 401.486656] Call Trace: [ 401.519616] Node 0 [ 401.528963] [ 401.556481] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 401.559062] dump_stack+0x244/0x39d [ 401.561275] lowmem_reserve[]: [ 401.563445] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.588919] 0 2818 [ 401.592563] warn_alloc.cold.117+0xb7/0x1bd [ 401.595641] 6321 [ 401.600834] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.603058] 6321 [ 401.607378] ? lock_downgrade+0x900/0x900 [ 401.614263] ? trace_hardirqs_off+0xb8/0x310 [ 401.616311] Node 0 [ 401.620475] ? trace_hardirqs_off+0xb8/0x310 [ 401.624886] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 401.627111] __alloc_pages_slowpath+0x2660/0x2d70 [ 401.631506] lowmem_reserve[]: 0 [ 401.658520] ? warn_alloc+0x120/0x120 [ 401.663332] 0 [ 401.666607] ? warn_alloc+0x120/0x120 [ 401.670385] 3503 [ 401.672187] ? print_usage_bug+0xc0/0xc0 [ 401.675963] 3503 [ 401.678027] ? warn_alloc+0x120/0x120 [ 401.684159] ? print_usage_bug+0xc0/0xc0 [ 401.687941] Node 0 [ 401.691997] ? __lock_acquire+0x62f/0x4c20 [ 401.692028] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 401.692035] lowmem_reserve[]: [ 401.694293] ? __lock_acquire+0x62f/0x4c20 [ 401.698508] 0 [ 401.726874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.729956] 0 [ 401.734187] ? should_fail+0x22d/0xd01 [ 401.735971] 0 [ 401.741507] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.743295] 0 [ 401.747196] ? __lock_acquire+0x62f/0x4c20 [ 401.754085] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.755867] Node 0 [ 401.760095] ? __lock_acquire+0x62f/0x4c20 [ 401.765173] DMA: [ 401.767407] ? should_fail+0x22d/0xd01 [ 401.771624] 1*4kB [ 401.773688] ? mark_held_locks+0x130/0x130 [ 401.777549] (U) [ 401.779698] ? mark_held_locks+0x130/0x130 [ 401.783909] 0*8kB [ 401.785901] ? zap_class+0x640/0x640 [ 401.790113] 0*16kB [ 401.792262] ? print_usage_bug+0xc0/0xc0 [ 401.795955] 1*32kB [ 401.798188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.802243] (U) [ 401.804479] ? check_preemption_disabled+0x48/0x280 [ 401.810007] 2*64kB [ 401.811984] ? __lock_is_held+0xb5/0x140 [ 401.816973] (U) [ 401.819212] __alloc_pages_nodemask+0xa80/0xde0 [ 401.823244] 1*128kB (U) [ 401.825226] ? zap_class+0x640/0x640 [ 401.829882] 1*256kB (U) [ 401.832559] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 401.836248] 0*512kB 1*1024kB [ 401.838943] ? find_held_lock+0x36/0x1c0 [ 401.843946] (U) [ 401.847058] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.851087] 1*2048kB (M) [ 401.853070] ? lock_downgrade+0x900/0x900 [ 401.857717] 3*4096kB [ 401.860474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.864599] (M) [ 401.867028] cache_grow_begin+0xa5/0x8c0 [ 401.872552] = 15908kB [ 401.872561] Node 0 [ 401.874533] ? do_raw_spin_unlock+0xa7/0x330 [ 401.878574] DMA32: [ 401.880985] fallback_alloc+0x204/0x2e0 [ 401.883199] 5*4kB [ 401.887608] ____cache_alloc_node+0x1c7/0x1e0 [ 401.889819] (M) [ 401.893796] kmem_cache_alloc_node+0xe3/0x730 [ 401.895926] 1*8kB [ 401.900414] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.902392] (U) [ 401.906897] __alloc_skb+0x119/0x770 [ 401.909019] 4*16kB [ 401.913281] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.915245] (M) [ 401.918954] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.921172] 2*32kB [ 401.926444] ? lock_downgrade+0x900/0x900 [ 401.928399] (M) [ 401.932807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.935018] 4*64kB (UM) [ 401.939192] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.941157] 3*128kB [ 401.946691] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.949356] (M) [ 401.954801] ? addrconf_rs_timer+0x690/0x690 [ 401.957105] 4*256kB [ 401.962554] ndisc_alloc_skb+0x144/0x340 [ 401.964522] (UM) [ 401.968935] ndisc_send_rs+0x331/0x6e0 [ 401.971246] 3*512kB (M) [ 401.975324] addrconf_rs_timer+0x314/0x690 [ 401.977374] 3*1024kB [ 401.981257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.983905] (UM) [ 401.988144] call_timer_fn+0x272/0x920 [ 401.990525] 3*2048kB [ 401.994784] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.996837] (UM) [ 402.000733] ? process_timeout+0x40/0x40 [ 402.003121] 3*4096kB [ 402.007359] ? mark_held_locks+0xc7/0x130 [ 402.009397] (M) [ 402.013467] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.015855] = 24860kB [ 402.019995] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.021950] Node 0 [ 402.026439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.028821] Normal: 767*4kB [ 402.033326] ? lockdep_hardirqs_on+0x296/0x5b0 [ 402.035553] (UME) [ 402.039791] ? trace_hardirqs_on+0xbd/0x310 [ 402.042787] 454*8kB [ 402.047367] ? kasan_check_read+0x11/0x20 [ 402.049505] (ME) [ 402.053841] ? __run_timers+0x7da/0xc70 [ 402.056156] 185*16kB [ 402.060311] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.062378] (UME) [ 402.066357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.068743] 80*32kB [ 402.073856] __run_timers+0x7e5/0xc70 [ 402.075988] (UME) [ 402.080229] ? timer_fixup_init+0x70/0x70 [ 402.082524] 22*64kB (M) [ 402.086359] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 402.088516] 1*128kB [ 402.092659] ? zap_class+0x640/0x640 [ 402.095330] (U) [ 402.100342] ? print_usage_bug+0xc0/0xc0 [ 402.102646] 1*256kB [ 402.106355] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 402.108316] (U) [ 402.112377] ? find_held_lock+0x36/0x1c0 [ 402.114686] 0*512kB [ 402.119891] ? zap_class+0x640/0x640 [ 402.121845] 0*1024kB 0*2048kB [ 402.125912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.128211] 0*4096kB = 14012kB [ 402.131929] ? check_preemption_disabled+0x48/0x280 [ 402.135109] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 402.140664] ? __lock_is_held+0xb5/0x140 [ 402.143833] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 402.143843] 163 total pagecache pages [ 402.148862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.157684] 0 pages in swap cache [ 402.161734] ? check_preemption_disabled+0x48/0x280 [ 402.170331] Swap cache stats: add 0, delete 0, find 0/0 [ 402.170341] Free swap = 0kB [ 402.174154] run_timer_softirq+0x52/0xb0 [ 402.179672] Total swap = 0kB [ 402.183122] ? rcu_read_lock_sched_held+0x14f/0x180 [ 402.188129] 1965979 pages RAM [ 402.193499] __do_softirq+0x308/0xb7e [ 402.196502] 0 pages HighMem/MovableOnly [ 402.200560] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 402.203558] 342867 pages reserved [ 402.208567] ? lock_downgrade+0x900/0x900 [ 402.211650] 0 pages cma reserved [ 402.215463] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 402.220212] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 402.224635] ? pvclock_read_flags+0x160/0x160 [ 402.228162] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.232224] ? lapic_next_event+0x5a/0x90 [ 402.235571] ksoftirqd/0 cpuset= [ 402.240671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.247137] / [ 402.251629] ? kvm_clock_read+0x18/0x30 [ 402.261947] mems_allowed=0 [ 402.266092] ? kvm_sched_clock_read+0x9/0x20 [ 402.287871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.293414] ? check_preemption_disabled+0x48/0x280 [ 402.298486] irq_exit+0x17f/0x1c0 [ 402.301959] smp_apic_timer_interrupt+0x1cb/0x760 [ 402.306801] ? smp_reschedule_interrupt+0x109/0x650 [ 402.311829] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.317719] ? interrupt_entry+0xb5/0xc0 [ 402.321784] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.326798] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.331832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.336679] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.341696] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.346718] ? task_prio+0x50/0x50 [ 402.350262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.355821] ? check_preemption_disabled+0x48/0x280 [ 402.361016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.365889] apic_timer_interrupt+0xf/0x20 [ 402.370116] [ 402.372356] RIP: 0010:dump_stack+0x358/0x39d [ 402.376767] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 402.395666] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 402.403381] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 402.410666] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 402.417946] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 402.425214] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 402.432678] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 402.439961] ? dump_stack+0x34f/0x39d [ 402.443777] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.448979] dump_header+0x27b/0xf72 [ 402.452708] ? mark_held_locks+0x130/0x130 [ 402.456971] ? pagefault_out_of_memory+0x197/0x197 [ 402.461908] ? __lock_acquire+0x62f/0x4c20 [ 402.466152] ? zap_class+0x640/0x640 [ 402.469874] ? percpu_ref_get_many+0x240/0x240 [ 402.474457] ? print_usage_bug+0xc0/0xc0 [ 402.478523] ? print_usage_bug+0xc0/0xc0 [ 402.482608] ? zap_class+0x640/0x640 [ 402.486341] ? print_usage_bug+0xc0/0xc0 [ 402.490404] ? print_usage_bug+0xc0/0xc0 [ 402.494490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.500045] ? find_held_lock+0x36/0x1c0 [ 402.504133] ? mark_held_locks+0xc7/0x130 [ 402.508298] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.513423] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.518532] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 402.523119] ? trace_hardirqs_on+0xbd/0x310 [ 402.527463] ? kasan_check_read+0x11/0x20 [ 402.531615] ? ___ratelimit+0x3b4/0x672 [ 402.535590] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.540695] ? trace_hardirqs_on+0x310/0x310 [ 402.545134] ? lock_downgrade+0x900/0x900 [ 402.549302] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.554409] ? ___ratelimit+0x3b9/0x672 [ 402.558390] ? idr_get_free+0xec0/0xec0 [ 402.562372] ? find_held_lock+0x36/0x1c0 [ 402.566451] oom_kill_process.cold.27+0x10/0x903 [ 402.571214] ? zap_class+0x640/0x640 [ 402.574930] ? check_preemption_disabled+0x48/0x280 [ 402.579954] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.584885] ? kasan_check_read+0x11/0x20 [ 402.589039] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.594328] ? oom_evaluate_task+0x540/0x540 [ 402.598762] ? find_held_lock+0x36/0x1c0 [ 402.602849] ? out_of_memory+0x974/0x1430 [ 402.606999] ? lock_downgrade+0x900/0x900 [ 402.611156] ? check_preemption_disabled+0x48/0x280 [ 402.616176] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.621104] ? kasan_check_read+0x11/0x20 [ 402.625268] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.630569] ? rcu_softirq_qs+0x20/0x20 [ 402.634559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.640154] ? oom_evaluate_task+0x302/0x540 [ 402.644567] out_of_memory+0xa84/0x1430 [ 402.648570] ? oom_killer_disable+0x3a0/0x3a0 [ 402.653068] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 402.658000] ? __mutex_add_waiter+0x2a0/0x2a0 [ 402.662508] __alloc_pages_slowpath+0x22d4/0x2d70 [ 402.667383] ? warn_alloc+0x120/0x120 [ 402.671185] ? rcu_softirq_qs+0x20/0x20 [ 402.675187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.680752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.686306] ? should_fail+0x22d/0xd01 [ 402.690200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.695314] ? zap_class+0x640/0x640 [ 402.699055] ? __lock_is_held+0xb5/0x140 [ 402.703154] ? mark_held_locks+0x130/0x130 [ 402.707395] ? lock_release+0xa00/0xa00 [ 402.711373] ? perf_trace_sched_process_exec+0x860/0x860 [ 402.716841] ? __might_sleep+0x95/0x190 [ 402.720843] __alloc_pages_nodemask+0xa80/0xde0 [ 402.725521] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 402.730540] ? __page_cache_alloc+0x191/0x5c0 [ 402.735035] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.739966] ? kasan_check_read+0x11/0x20 [ 402.744120] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.749401] ? zap_class+0x640/0x640 [ 402.753121] ? zap_class+0x640/0x640 [ 402.756838] ? zap_class+0x640/0x640 [ 402.760555] ? __do_page_cache_readahead+0x7ce/0x980 [ 402.765669] ? find_held_lock+0x36/0x1c0 [ 402.769737] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 402.775279] alloc_pages_current+0x173/0x350 [ 402.779703] __page_cache_alloc+0x38c/0x5c0 [ 402.784028] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.788961] ? kasan_check_read+0x11/0x20 [ 402.793114] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.798397] ? generic_perform_write+0x6a0/0x6a0 [ 402.803154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.808694] ? check_preemption_disabled+0x48/0x280 [ 402.813720] filemap_fault+0x1594/0x25f0 [ 402.817795] ? __lock_page_or_retry+0xa00/0xa00 [ 402.822472] ? mark_held_locks+0x130/0x130 [ 402.826724] ? rcu_softirq_qs+0x20/0x20 [ 402.830699] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.835831] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 402.840465] ? trace_hardirqs_on+0xbd/0x310 [ 402.844807] ? filemap_map_pages+0xe04/0x1990 [ 402.849332] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.854442] ? __free_object+0x173/0x340 [ 402.858516] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 402.863461] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.868577] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 402.873268] ? debug_object_free+0x32d/0x690 [ 402.877700] ? kasan_check_read+0x11/0x20 [ 402.881854] ? debug_object_destroy+0x2b0/0x2b0 [ 402.886567] ? lock_pi_update_atomic+0x150/0x150 [ 402.891350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.896895] ? __hrtimer_init+0xdb/0x240 [ 402.900980] ? lock_acquire+0x1ed/0x520 [ 402.904961] ? ext4_filemap_fault+0x7a/0xad [ 402.909301] ? lock_release+0xa00/0xa00 [ 402.913303] ? perf_trace_sched_process_exec+0x860/0x860 [ 402.918759] ? print_usage_bug+0xc0/0xc0 [ 402.922820] ? print_usage_bug+0xc0/0xc0 [ 402.926897] ? down_read+0x8d/0x120 [ 402.930536] ? ext4_filemap_fault+0x7a/0xad [ 402.934865] ? __down_interruptible+0x700/0x700 [ 402.939548] ext4_filemap_fault+0x82/0xad [ 402.943713] __do_fault+0x100/0x6b0 [ 402.947362] ? pmd_devmap_trans_unstable+0x220/0x220 [ 402.952480] ? mark_held_locks+0x130/0x130 [ 402.956728] ? mark_held_locks+0x130/0x130 [ 402.960962] ? debug_smp_processor_id+0x1c/0x20 [ 402.965631] ? perf_trace_lock+0x14d/0x7a0 [ 402.969880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.975438] __handle_mm_fault+0x307c/0x5920 [ 402.979858] ? perf_trace_lock+0x7a0/0x7a0 [ 402.984101] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 402.988946] ? lock_is_held_type+0x210/0x210 [ 402.993376] ? ksys_dup3+0x680/0x680 [ 402.997104] ? zap_class+0x640/0x640 [ 403.000821] ? zap_class+0x640/0x640 [ 403.004558] ? __x64_sys_futex+0x53e/0x6a0 [ 403.008799] ? find_held_lock+0x36/0x1c0 [ 403.012882] ? handle_mm_fault+0x42a/0xc70 [ 403.017139] ? lock_downgrade+0x900/0x900 [ 403.021295] ? check_preemption_disabled+0x48/0x280 [ 403.026327] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 403.031262] ? kasan_check_read+0x11/0x20 [ 403.035419] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.040707] ? rcu_softirq_qs+0x20/0x20 [ 403.044696] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.049833] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.055413] ? check_preemption_disabled+0x48/0x280 [ 403.060467] handle_mm_fault+0x54f/0xc70 [ 403.064546] ? __handle_mm_fault+0x5920/0x5920 [ 403.069135] ? find_vma+0x34/0x190 [ 403.072682] __do_page_fault+0x5e8/0xe60 [ 403.076746] ? trace_hardirqs_off+0xb8/0x310 [ 403.081156] ? kernel_write+0x120/0x120 [ 403.085144] do_page_fault+0xf2/0x7e0 [ 403.088947] ? vmalloc_sync_all+0x30/0x30 [ 403.093100] ? error_entry+0x70/0xd0 [ 403.096820] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.101847] ? trace_hardirqs_on_caller+0xc0/0x310 [ 403.106778] ? syscall_return_slowpath+0x5e0/0x5e0 [ 403.111711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.116561] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.121580] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.127037] ? prepare_exit_to_usermode+0x291/0x3b0 [ 403.132062] ? page_fault+0x8/0x30 [ 403.135631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.140480] ? page_fault+0x8/0x30 [ 403.144040] page_fault+0x1e/0x30 [ 403.147494] RIP: 0033:0x45ddf3 [ 403.150698] Code: Bad RIP value. [ 403.154063] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 403.159431] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 403.166699] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 403.173986] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 403.181264] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 403.188539] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 403.195845] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 403.195913] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.202365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.202371] Call Trace: [ 403.202395] dump_stack+0x244/0x39d [ 403.202415] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.209003] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.218296] warn_alloc.cold.117+0xb7/0x1bd [ 403.220850] syz-fuzzer cpuset= [ 403.224476] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.229659] / [ 403.239904] ? lock_downgrade+0x900/0x900 [ 403.244241] mems_allowed=0 [ 403.247447] ? trace_hardirqs_off+0xb8/0x310 [ 403.265460] ? trace_hardirqs_off+0xb8/0x310 [ 403.269895] __alloc_pages_slowpath+0x2660/0x2d70 [ 403.274784] ? warn_alloc+0x120/0x120 [ 403.278632] ? warn_alloc+0x120/0x120 [ 403.282444] ? print_usage_bug+0xc0/0xc0 [ 403.286511] ? warn_alloc+0x120/0x120 [ 403.290320] ? print_usage_bug+0xc0/0xc0 [ 403.294391] ? __lock_acquire+0x62f/0x4c20 [ 403.298627] ? __lock_acquire+0x62f/0x4c20 [ 403.302886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.308430] ? should_fail+0x22d/0xd01 [ 403.312391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.317499] ? __lock_acquire+0x62f/0x4c20 [ 403.321742] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.326847] ? __lock_acquire+0x62f/0x4c20 [ 403.331084] ? should_fail+0x22d/0xd01 [ 403.334973] ? find_held_lock+0x36/0x1c0 [ 403.339044] ? mark_held_locks+0x130/0x130 [ 403.343311] ? mark_held_locks+0x130/0x130 [ 403.347545] ? zap_class+0x640/0x640 [ 403.351266] ? mark_held_locks+0xc7/0x130 [ 403.355425] ? do_raw_spin_unlock+0xa7/0x330 [ 403.359838] ? zap_class+0x640/0x640 [ 403.363563] ? print_usage_bug+0xc0/0xc0 [ 403.367633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.373174] ? check_preemption_disabled+0x48/0x280 [ 403.378216] ? __lock_is_held+0xb5/0x140 [ 403.382294] __alloc_pages_nodemask+0xa80/0xde0 [ 403.386981] ? zap_class+0x640/0x640 [ 403.390730] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 403.395758] ? find_held_lock+0x36/0x1c0 [ 403.399832] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.404518] ? lock_downgrade+0x900/0x900 [ 403.408674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.414254] cache_grow_begin+0xa5/0x8c0 [ 403.418323] ? do_raw_spin_unlock+0xa7/0x330 [ 403.422773] fallback_alloc+0x204/0x2e0 [ 403.426757] ____cache_alloc_node+0x1c7/0x1e0 [ 403.431258] kmem_cache_alloc_node+0xe3/0x730 [ 403.435763] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.440005] __alloc_skb+0x119/0x770 [ 403.443730] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.449021] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.453431] ? lock_downgrade+0x900/0x900 [ 403.457588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.463155] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.468757] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.474206] ? addrconf_rs_timer+0x690/0x690 [ 403.478629] ndisc_alloc_skb+0x144/0x340 [ 403.482695] ndisc_send_rs+0x331/0x6e0 [ 403.486588] addrconf_rs_timer+0x314/0x690 [ 403.490834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.495100] call_timer_fn+0x272/0x920 [ 403.499003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.503259] ? process_timeout+0x40/0x40 [ 403.507348] ? __run_timers+0x7da/0xc70 [ 403.511356] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.515878] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.520372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.524609] ? lockdep_hardirqs_on+0x296/0x5b0 [ 403.529194] ? trace_hardirqs_on+0xbd/0x310 [ 403.533517] ? kasan_check_read+0x11/0x20 [ 403.537665] ? __run_timers+0x7da/0xc70 [ 403.541654] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.546763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.551006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.555243] __run_timers+0x7e5/0xc70 [ 403.559056] ? timer_fixup_init+0x70/0x70 [ 403.563209] ? compat_start_thread+0x80/0x80 [ 403.567623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.573174] ? _raw_spin_unlock_irq+0x60/0x80 [ 403.577702] ? finish_task_switch+0x1f4/0x910 [ 403.582199] ? finish_task_switch+0x1b4/0x910 [ 403.586710] ? __switch_to_asm+0x34/0x70 [ 403.590774] ? preempt_notifier_register+0x200/0x200 [ 403.595880] ? __switch_to_asm+0x34/0x70 [ 403.599938] ? __switch_to_asm+0x40/0x70 [ 403.603998] ? __switch_to_asm+0x34/0x70 [ 403.608069] ? __switch_to_asm+0x40/0x70 [ 403.612129] ? __switch_to_asm+0x34/0x70 [ 403.616187] ? __switch_to_asm+0x40/0x70 [ 403.620250] ? __switch_to_asm+0x40/0x70 [ 403.624336] ? pvclock_read_flags+0x160/0x160 [ 403.628833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.634373] ? check_preemption_disabled+0x48/0x280 [ 403.639400] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 403.644943] ? rcu_pm_notify+0xc0/0xc0 [ 403.648834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.654372] ? check_preemption_disabled+0x48/0x280 [ 403.659394] run_timer_softirq+0x52/0xb0 [ 403.663454] ? rcu_read_lock_sched_held+0x14f/0x180 [ 403.668473] __do_softirq+0x308/0xb7e [ 403.672280] ? retint_kernel+0x2d/0x2d [ 403.676181] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 403.681294] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.686754] ? schedule+0x108/0x460 [ 403.690386] ? __schedule+0x21d0/0x21d0 [ 403.694388] ? trace_hardirqs_off+0xb8/0x310 [ 403.698797] ? smpboot_thread_fn+0x68b/0xa00 [ 403.703207] ? trace_hardirqs_on+0x310/0x310 [ 403.707616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.713171] ? check_preemption_disabled+0x48/0x280 [ 403.718201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.723740] ? takeover_tasklets+0xa90/0xa90 [ 403.728152] run_ksoftirqd+0x5e/0x100 [ 403.731958] smpboot_thread_fn+0x68b/0xa00 [ 403.736195] ? sort_range+0x30/0x30 [ 403.739827] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.744931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.750489] ? __kthread_parkme+0xfb/0x1a0 [ 403.754732] kthread+0x35a/0x420 [ 403.758120] ? sort_range+0x30/0x30 [ 403.761787] ? kthread_stop+0x900/0x900 [ 403.765777] ret_from_fork+0x3a/0x50 [ 403.769506] warn_alloc_show_mem: 1 callbacks suppressed [ 403.769518] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 403.769520] Mem-Info: [ 403.769552] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 403.769552] active_file:13 inactive_file:12 isolated_file:0 [ 403.769552] unevictable:0 dirty:0 writeback:0 unstable:0 [ 403.769552] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 403.769552] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 403.769552] free:13679 free_pcp:387 free_cma:0 [ 403.774895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.781583] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 403.783983] Call Trace: [ 403.816867] Node 0 [ 403.826214] [ 403.853733] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 403.856299] dump_stack+0x244/0x39d [ 403.858514] lowmem_reserve[]: [ 403.860662] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.886151] 0 2818 [ 403.889806] warn_alloc.cold.117+0xb7/0x1bd [ 403.892895] 6321 [ 403.898085] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.900314] 6321 [ 403.904631] ? lock_downgrade+0x900/0x900 [ 403.911509] ? trace_hardirqs_off+0xb8/0x310 [ 403.913549] Node 0 [ 403.917695] ? trace_hardirqs_off+0xb8/0x310 [ 403.922104] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 403.924325] __alloc_pages_slowpath+0x2660/0x2d70 [ 403.928710] lowmem_reserve[]: [ 403.955710] ? warn_alloc+0x120/0x120 [ 403.960507] 0 [ 403.963655] ? warn_alloc+0x120/0x120 [ 403.967433] 0 [ 403.969232] ? print_usage_bug+0xc0/0xc0 [ 403.973038] 3503 [ 403.974868] ? warn_alloc+0x120/0x120 [ 403.978923] 3503 [ 403.980983] ? print_usage_bug+0xc0/0xc0 [ 403.984765] Node 0 [ 403.986832] ? __lock_acquire+0x62f/0x4c20 [ 403.990893] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 403.993105] ? __lock_acquire+0x62f/0x4c20 [ 403.997312] lowmem_reserve[]: 0 [ 404.025687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.029919] 0 [ 404.033201] ? should_fail+0x22d/0xd01 [ 404.038736] 0 0 [ 404.040551] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.046422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.051682] Node 0 [ 404.056776] ? __lock_acquire+0x62f/0x4c20 [ 404.056779] DMA: 1*4kB [ 404.059019] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.063258] (U) [ 404.065854] ? __lock_acquire+0x62f/0x4c20 [ 404.070927] 0*8kB 0*16kB [ 404.072910] ? should_fail+0x22d/0xd01 [ 404.077152] 1*32kB [ 404.079915] ? rcu_irq_exit+0x1a2/0x390 [ 404.083778] (U) [ 404.086018] ? mark_held_locks+0x130/0x130 [ 404.089962] 2*64kB (U) [ 404.091961] ? mark_held_locks+0x130/0x130 [ 404.096174] 1*128kB [ 404.098762] ? mark_held_locks+0xc7/0x130 [ 404.102982] (U) 1*256kB [ 404.105321] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 404.109459] (U) [ 404.112140] ? zap_class+0x640/0x640 [ 404.117135] 0*512kB [ 404.119108] ? print_usage_bug+0xc0/0xc0 [ 404.122823] 1*1024kB [ 404.125148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.129205] (U) [ 404.131626] ? check_preemption_disabled+0x48/0x280 [ 404.137133] 1*2048kB (M) [ 404.139124] ? __lock_is_held+0xb5/0x140 [ 404.144115] 3*4096kB [ 404.146871] __alloc_pages_nodemask+0xa80/0xde0 [ 404.150906] (M) [ 404.153330] ? zap_class+0x640/0x640 [ 404.158000] = 15908kB [ 404.159977] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 404.163667] Node 0 [ 404.166109] ? find_held_lock+0x36/0x1c0 [ 404.171095] DMA32: [ 404.173347] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.177388] 5*4kB [ 404.179683] ? lock_downgrade+0x900/0x900 [ 404.184358] (M) [ 404.186511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.190650] 1*8kB [ 404.192621] cache_grow_begin+0xa5/0x8c0 [ 404.198138] (U) 4*16kB [ 404.200305] ? do_raw_spin_unlock+0xa7/0x330 [ 404.204349] (M) [ 404.206938] fallback_alloc+0x204/0x2e0 [ 404.211332] 2*32kB [ 404.213310] ____cache_alloc_node+0x1c7/0x1e0 [ 404.217260] (M) [ 404.219506] kmem_cache_alloc_node+0xe3/0x730 [ 404.223978] 4*64kB [ 404.225954] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.230427] (UM) [ 404.232673] __alloc_skb+0x119/0x770 [ 404.236891] 3*128kB [ 404.238949] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.242641] (M) [ 404.244983] ? netdev_alloc_frag+0x1f0/0x1f0 [ 404.250246] 4*256kB (UM) [ 404.252227] ? lock_downgrade+0x900/0x900 [ 404.256618] 3*512kB [ 404.259411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.263531] (M) [ 404.265868] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.271378] 3*1024kB (UM) [ 404.273367] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.278798] 3*2048kB [ 404.281637] ? addrconf_rs_timer+0x690/0x690 [ 404.287060] (UM) 3*4096kB [ 404.289493] ndisc_alloc_skb+0x144/0x340 [ 404.293880] (M) [ 404.296722] ndisc_send_rs+0x331/0x6e0 [ 404.300760] = 24860kB [ 404.302732] addrconf_rs_timer+0x314/0x690 [ 404.306596] Node 0 [ 404.308999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.313208] Normal: [ 404.315459] call_timer_fn+0x272/0x920 [ 404.319697] 767*4kB [ 404.322038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.325904] (UME) [ 404.328232] ? process_timeout+0x40/0x40 [ 404.332445] 454*8kB [ 404.334598] ? mark_held_locks+0xc7/0x130 [ 404.338645] (ME) [ 404.340971] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.345096] 185*16kB [ 404.347162] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.351645] (UME) [ 404.354053] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.358938] 80*32kB (UME) [ 404.361098] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.365367] 22*64kB [ 404.368237] ? trace_hardirqs_on+0xbd/0x310 [ 404.372792] (M) 1*128kB [ 404.375130] ? kasan_check_read+0x11/0x20 [ 404.379424] (U) [ 404.382089] ? __run_timers+0x7da/0xc70 [ 404.386214] 1*256kB [ 404.388184] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.392132] (U) [ 404.394474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.399549] 0*512kB 0*1024kB [ 404.401533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.405761] 0*2048kB [ 404.408865] __run_timers+0x7e5/0xc70 [ 404.413076] 0*4096kB = 14012kB [ 404.415507] ? timer_fixup_init+0x70/0x70 [ 404.419293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 404.422491] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 404.426626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 404.435457] ? zap_class+0x640/0x640 [ 404.440481] 163 total pagecache pages [ 404.449053] ? print_usage_bug+0xc0/0xc0 [ 404.452752] 0 pages in swap cache [ 404.456545] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 404.460591] Swap cache stats: add 0, delete 0, find 0/0 [ 404.464064] ? find_held_lock+0x36/0x1c0 [ 404.469230] Free swap = 0kB [ 404.474596] ? zap_class+0x640/0x640 [ 404.478636] Total swap = 0kB [ 404.481652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.485350] 1965979 pages RAM [ 404.488368] ? check_preemption_disabled+0x48/0x280 [ 404.493874] 0 pages HighMem/MovableOnly [ 404.493884] 342867 pages reserved [ 404.496990] ? __lock_is_held+0xb5/0x140 [ 404.501987] 0 pages cma reserved [ 404.502071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.505969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.509488] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.513479] ? check_preemption_disabled+0x48/0x280 [ 404.516835] ksoftirqd/0 cpuset= [ 404.523326] run_timer_softirq+0x52/0xb0 [ 404.528844] / [ 404.539152] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.544148] mems_allowed=0 [ 404.547432] __do_softirq+0x308/0xb7e [ 404.564906] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 404.569421] ? lock_downgrade+0x900/0x900 [ 404.573586] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.578698] ? pvclock_read_flags+0x160/0x160 [ 404.583196] ? lapic_next_event+0x5a/0x90 [ 404.587349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.592896] ? kvm_clock_read+0x18/0x30 [ 404.596868] ? kvm_sched_clock_read+0x9/0x20 [ 404.601276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.606820] ? check_preemption_disabled+0x48/0x280 [ 404.611855] irq_exit+0x17f/0x1c0 [ 404.615316] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.620172] ? smp_reschedule_interrupt+0x109/0x650 [ 404.625186] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.631085] ? interrupt_entry+0xb5/0xc0 [ 404.635147] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.640159] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.645179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.650041] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.655098] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.660118] ? task_prio+0x50/0x50 [ 404.663662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.669199] ? check_preemption_disabled+0x48/0x280 [ 404.674247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.679140] apic_timer_interrupt+0xf/0x20 [ 404.683376] [ 404.685616] RIP: 0010:dump_stack+0x358/0x39d [ 404.690029] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 404.708940] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 404.716648] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 404.723916] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 404.731200] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 404.738478] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 404.745743] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 404.753035] ? dump_stack+0x34f/0x39d [ 404.756851] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.762052] dump_header+0x27b/0xf72 [ 404.765786] ? mark_held_locks+0x130/0x130 [ 404.770023] ? pagefault_out_of_memory+0x197/0x197 [ 404.774958] ? __lock_acquire+0x62f/0x4c20 [ 404.779219] ? zap_class+0x640/0x640 [ 404.782956] ? percpu_ref_get_many+0x240/0x240 [ 404.787542] ? print_usage_bug+0xc0/0xc0 [ 404.791621] ? print_usage_bug+0xc0/0xc0 [ 404.795705] ? zap_class+0x640/0x640 [ 404.799436] ? print_usage_bug+0xc0/0xc0 [ 404.803500] ? print_usage_bug+0xc0/0xc0 [ 404.807573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.813118] ? find_held_lock+0x36/0x1c0 [ 404.817191] ? mark_held_locks+0xc7/0x130 [ 404.821346] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.826453] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.831559] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.836145] ? trace_hardirqs_on+0xbd/0x310 [ 404.840483] ? kasan_check_read+0x11/0x20 [ 404.844660] ? ___ratelimit+0x3b4/0x672 [ 404.848634] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.853737] ? trace_hardirqs_on+0x310/0x310 [ 404.858151] ? lock_downgrade+0x900/0x900 [ 404.862315] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.867424] ? ___ratelimit+0x3b9/0x672 [ 404.871400] ? idr_get_free+0xec0/0xec0 [ 404.875374] ? find_held_lock+0x36/0x1c0 [ 404.879454] oom_kill_process.cold.27+0x10/0x903 [ 404.884226] ? zap_class+0x640/0x640 [ 404.887940] ? check_preemption_disabled+0x48/0x280 [ 404.892975] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.897927] ? kasan_check_read+0x11/0x20 [ 404.902074] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.907351] ? oom_evaluate_task+0x540/0x540 [ 404.911761] ? find_held_lock+0x36/0x1c0 [ 404.915837] ? out_of_memory+0x974/0x1430 [ 404.919988] ? lock_downgrade+0x900/0x900 [ 404.924135] ? check_preemption_disabled+0x48/0x280 [ 404.929173] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.934102] ? kasan_check_read+0x11/0x20 [ 404.938278] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.943580] ? rcu_softirq_qs+0x20/0x20 [ 404.947582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.953145] ? oom_evaluate_task+0x302/0x540 [ 404.957569] out_of_memory+0xa84/0x1430 [ 404.961562] ? oom_killer_disable+0x3a0/0x3a0 [ 404.966056] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 404.970988] ? __mutex_add_waiter+0x2a0/0x2a0 [ 404.975494] __alloc_pages_slowpath+0x22d4/0x2d70 [ 404.980367] ? warn_alloc+0x120/0x120 [ 404.984170] ? rcu_softirq_qs+0x20/0x20 [ 404.988169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.993705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.999326] ? should_fail+0x22d/0xd01 [ 405.003230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.008332] ? zap_class+0x640/0x640 [ 405.012091] ? __lock_is_held+0xb5/0x140 [ 405.016166] ? mark_held_locks+0x130/0x130 [ 405.020411] ? lock_release+0xa00/0xa00 [ 405.024398] ? perf_trace_sched_process_exec+0x860/0x860 [ 405.029862] ? __might_sleep+0x95/0x190 [ 405.033856] __alloc_pages_nodemask+0xa80/0xde0 [ 405.038545] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 405.043565] ? __page_cache_alloc+0x191/0x5c0 [ 405.048062] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 405.052994] ? kasan_check_read+0x11/0x20 [ 405.057147] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.062425] ? zap_class+0x640/0x640 [ 405.066148] ? zap_class+0x640/0x640 [ 405.069862] ? zap_class+0x640/0x640 [ 405.073588] ? __do_page_cache_readahead+0x7ce/0x980 [ 405.078695] ? find_held_lock+0x36/0x1c0 [ 405.082765] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 405.088321] alloc_pages_current+0x173/0x350 [ 405.092736] __page_cache_alloc+0x38c/0x5c0 [ 405.097057] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 405.102009] ? kasan_check_read+0x11/0x20 [ 405.106159] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.111457] ? generic_perform_write+0x6a0/0x6a0 [ 405.116213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.121752] ? check_preemption_disabled+0x48/0x280 [ 405.126779] filemap_fault+0x1594/0x25f0 [ 405.130856] ? __lock_page_or_retry+0xa00/0xa00 [ 405.135528] ? mark_held_locks+0x130/0x130 [ 405.139766] ? rcu_softirq_qs+0x20/0x20 [ 405.143741] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 405.148860] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 405.153452] ? trace_hardirqs_on+0xbd/0x310 [ 405.157781] ? filemap_map_pages+0xe04/0x1990 [ 405.162298] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 405.167408] ? __free_object+0x173/0x340 [ 405.171476] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 405.176420] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.181527] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 405.186224] ? debug_object_free+0x32d/0x690 [ 405.190643] ? kasan_check_read+0x11/0x20 [ 405.194809] ? debug_object_destroy+0x2b0/0x2b0 [ 405.199518] ? lock_pi_update_atomic+0x150/0x150 [ 405.204274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.209829] ? __hrtimer_init+0xdb/0x240 [ 405.213904] ? lock_acquire+0x1ed/0x520 [ 405.217880] ? ext4_filemap_fault+0x7a/0xad [ 405.222209] ? lock_release+0xa00/0xa00 [ 405.226219] ? perf_trace_sched_process_exec+0x860/0x860 [ 405.231687] ? print_usage_bug+0xc0/0xc0 [ 405.235755] ? print_usage_bug+0xc0/0xc0 [ 405.239836] ? down_read+0x8d/0x120 [ 405.243476] ? ext4_filemap_fault+0x7a/0xad [ 405.247800] ? __down_interruptible+0x700/0x700 [ 405.252482] ext4_filemap_fault+0x82/0xad [ 405.256647] __do_fault+0x100/0x6b0 [ 405.260276] ? pmd_devmap_trans_unstable+0x220/0x220 [ 405.265395] ? mark_held_locks+0x130/0x130 [ 405.269643] ? mark_held_locks+0x130/0x130 [ 405.273892] ? debug_smp_processor_id+0x1c/0x20 [ 405.278570] ? perf_trace_lock+0x14d/0x7a0 [ 405.282839] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.288379] __handle_mm_fault+0x307c/0x5920 [ 405.292802] ? perf_trace_lock+0x7a0/0x7a0 [ 405.297048] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 405.301889] ? lock_is_held_type+0x210/0x210 [ 405.306304] ? ksys_dup3+0x680/0x680 [ 405.310040] ? zap_class+0x640/0x640 [ 405.313752] ? zap_class+0x640/0x640 [ 405.317473] ? __x64_sys_futex+0x53e/0x6a0 [ 405.321708] ? find_held_lock+0x36/0x1c0 [ 405.325774] ? handle_mm_fault+0x42a/0xc70 [ 405.330017] ? lock_downgrade+0x900/0x900 [ 405.334162] ? check_preemption_disabled+0x48/0x280 [ 405.339210] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 405.344157] ? kasan_check_read+0x11/0x20 [ 405.348312] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.353589] ? rcu_softirq_qs+0x20/0x20 [ 405.357572] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.362676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.368210] ? check_preemption_disabled+0x48/0x280 [ 405.373248] handle_mm_fault+0x54f/0xc70 [ 405.377324] ? __handle_mm_fault+0x5920/0x5920 [ 405.381913] ? find_vma+0x34/0x190 [ 405.385461] __do_page_fault+0x5e8/0xe60 [ 405.389526] ? trace_hardirqs_off+0xb8/0x310 [ 405.393931] ? kernel_write+0x120/0x120 [ 405.397931] do_page_fault+0xf2/0x7e0 [ 405.401735] ? vmalloc_sync_all+0x30/0x30 [ 405.405901] ? error_entry+0x70/0xd0 [ 405.409628] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.414657] ? trace_hardirqs_on_caller+0xc0/0x310 [ 405.419589] ? syscall_return_slowpath+0x5e0/0x5e0 [ 405.424519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.429401] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.434444] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.439913] ? prepare_exit_to_usermode+0x291/0x3b0 [ 405.444931] ? page_fault+0x8/0x30 [ 405.448490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.453342] ? page_fault+0x8/0x30 [ 405.456884] page_fault+0x1e/0x30 [ 405.460334] RIP: 0033:0x45ddf3 [ 405.463538] Code: Bad RIP value. [ 405.467414] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 405.472780] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 405.480051] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 405.487333] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 405.494608] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 405.501876] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 405.509192] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 405.509258] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.515690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.515700] Call Trace: [ 405.522297] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.531549] dump_stack+0x244/0x39d [ 405.534112] syz-fuzzer cpuset= [ 405.544338] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.547936] / [ 405.551136] warn_alloc.cold.117+0xb7/0x1bd [ 405.556305] mems_allowed=0 [ 405.558022] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.570143] ? lock_downgrade+0x900/0x900 [ 405.574311] ? trace_hardirqs_off+0xb8/0x310 [ 405.578734] ? trace_hardirqs_off+0xb8/0x310 [ 405.583151] __alloc_pages_slowpath+0x2660/0x2d70 [ 405.588021] ? warn_alloc+0x120/0x120 [ 405.591829] ? warn_alloc+0x120/0x120 [ 405.595647] ? print_usage_bug+0xc0/0xc0 [ 405.599711] ? warn_alloc+0x120/0x120 [ 405.603511] ? print_usage_bug+0xc0/0xc0 [ 405.607578] ? __lock_acquire+0x62f/0x4c20 [ 405.611811] ? __lock_acquire+0x62f/0x4c20 [ 405.616052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.621597] ? should_fail+0x22d/0xd01 [ 405.625491] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.630610] ? __lock_acquire+0x62f/0x4c20 [ 405.634850] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.639951] ? __lock_acquire+0x62f/0x4c20 [ 405.644192] ? should_fail+0x22d/0xd01 [ 405.648077] ? find_held_lock+0x36/0x1c0 [ 405.652147] ? mark_held_locks+0x130/0x130 [ 405.656390] ? mark_held_locks+0x130/0x130 [ 405.660628] ? zap_class+0x640/0x640 [ 405.664380] ? mark_held_locks+0xc7/0x130 [ 405.668525] ? do_raw_spin_unlock+0xa7/0x330 [ 405.672936] ? zap_class+0x640/0x640 [ 405.676689] ? print_usage_bug+0xc0/0xc0 [ 405.680754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.686304] ? check_preemption_disabled+0x48/0x280 [ 405.691347] ? __lock_is_held+0xb5/0x140 [ 405.695421] __alloc_pages_nodemask+0xa80/0xde0 [ 405.700104] ? zap_class+0x640/0x640 [ 405.703823] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 405.708852] ? find_held_lock+0x36/0x1c0 [ 405.712924] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.717597] ? lock_downgrade+0x900/0x900 [ 405.721756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.727307] cache_grow_begin+0xa5/0x8c0 [ 405.731389] ? do_raw_spin_unlock+0xa7/0x330 [ 405.735809] fallback_alloc+0x204/0x2e0 [ 405.739792] ____cache_alloc_node+0x1c7/0x1e0 [ 405.744337] kmem_cache_alloc_node+0xe3/0x730 [ 405.748835] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.753083] __alloc_skb+0x119/0x770 [ 405.756799] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.762081] ? netdev_alloc_frag+0x1f0/0x1f0 [ 405.766504] ? lock_downgrade+0x900/0x900 [ 405.770669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.776222] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.781680] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.787134] ? addrconf_rs_timer+0x690/0x690 [ 405.791557] ndisc_alloc_skb+0x144/0x340 [ 405.795624] ndisc_send_rs+0x331/0x6e0 [ 405.799519] addrconf_rs_timer+0x314/0x690 [ 405.803768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.808028] call_timer_fn+0x272/0x920 [ 405.811917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.816162] ? process_timeout+0x40/0x40 [ 405.820238] ? __run_timers+0x7da/0xc70 [ 405.824219] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.828730] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.833232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.837470] ? lockdep_hardirqs_on+0x296/0x5b0 [ 405.842060] ? trace_hardirqs_on+0xbd/0x310 [ 405.846395] ? kasan_check_read+0x11/0x20 [ 405.850542] ? __run_timers+0x7da/0xc70 [ 405.854520] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.859640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.863883] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.868122] __run_timers+0x7e5/0xc70 [ 405.871939] ? timer_fixup_init+0x70/0x70 [ 405.876108] ? compat_start_thread+0x80/0x80 [ 405.880535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.886092] ? _raw_spin_unlock_irq+0x60/0x80 [ 405.890616] ? finish_task_switch+0x1f4/0x910 [ 405.895114] ? finish_task_switch+0x1b4/0x910 [ 405.899609] ? __switch_to_asm+0x34/0x70 [ 405.903687] ? preempt_notifier_register+0x200/0x200 [ 405.908814] ? __switch_to_asm+0x34/0x70 [ 405.912874] ? __switch_to_asm+0x40/0x70 [ 405.916932] ? __switch_to_asm+0x34/0x70 [ 405.920988] ? __switch_to_asm+0x40/0x70 [ 405.925047] ? __switch_to_asm+0x34/0x70 [ 405.929118] ? __switch_to_asm+0x40/0x70 [ 405.933181] ? __switch_to_asm+0x40/0x70 [ 405.937265] ? pvclock_read_flags+0x160/0x160 [ 405.941789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.947338] ? check_preemption_disabled+0x48/0x280 [ 405.952367] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 405.957935] ? rcu_pm_notify+0xc0/0xc0 [ 405.961853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.967395] ? check_preemption_disabled+0x48/0x280 [ 405.972428] run_timer_softirq+0x52/0xb0 [ 405.976518] ? rcu_read_lock_sched_held+0x14f/0x180 [ 405.981545] __do_softirq+0x308/0xb7e [ 405.985355] ? retint_kernel+0x2d/0x2d [ 405.989247] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 405.994363] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.999832] ? schedule+0x108/0x460 [ 406.003463] ? __schedule+0x21d0/0x21d0 [ 406.007442] ? trace_hardirqs_off+0xb8/0x310 [ 406.011852] ? smpboot_thread_fn+0x68b/0xa00 [ 406.016272] ? trace_hardirqs_on+0x310/0x310 [ 406.020704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.026249] ? check_preemption_disabled+0x48/0x280 [ 406.031269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.036820] ? takeover_tasklets+0xa90/0xa90 [ 406.041239] run_ksoftirqd+0x5e/0x100 [ 406.045040] smpboot_thread_fn+0x68b/0xa00 [ 406.049304] ? sort_range+0x30/0x30 [ 406.052943] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.058048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.063613] ? __kthread_parkme+0xfb/0x1a0 [ 406.067860] kthread+0x35a/0x420 [ 406.071228] ? sort_range+0x30/0x30 [ 406.074870] ? kthread_stop+0x900/0x900 [ 406.078848] ret_from_fork+0x3a/0x50 [ 406.082581] warn_alloc_show_mem: 1 callbacks suppressed [ 406.082593] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 406.082595] Mem-Info: [ 406.082627] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 406.082627] active_file:13 inactive_file:12 isolated_file:0 [ 406.082627] unevictable:0 dirty:0 writeback:0 unstable:0 [ 406.082627] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 406.082627] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 406.082627] free:13679 free_pcp:387 free_cma:0 [ 406.087960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.087969] Call Trace: [ 406.094649] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 406.097054] [ 406.129922] Node 0 [ 406.139299] dump_stack+0x244/0x39d [ 406.141916] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 406.169388] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.171519] lowmem_reserve[]: [ 406.173761] warn_alloc.cold.117+0xb7/0x1bd [ 406.177359] 0 [ 406.202860] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.208027] 2818 [ 406.211129] ? lock_downgrade+0x900/0x900 [ 406.215429] 6321 [ 406.217236] ? trace_hardirqs_off+0xb8/0x310 [ 406.222068] 6321 [ 406.224134] ? trace_hardirqs_off+0xb8/0x310 [ 406.228262] Node 0 [ 406.230333] __alloc_pages_slowpath+0x2660/0x2d70 [ 406.234767] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 406.236844] ? warn_alloc+0x120/0x120 [ 406.241204] lowmem_reserve[]: [ 406.243441] ? warn_alloc+0x120/0x120 [ 406.248267] 0 [ 406.275250] ? print_usage_bug+0xc0/0xc0 [ 406.279027] 0 [ 406.282139] ? warn_alloc+0x120/0x120 [ 406.285943] 3503 [ 406.287743] ? print_usage_bug+0xc0/0xc0 [ 406.291779] 3503 [ 406.293578] ? __lock_acquire+0x62f/0x4c20 [ 406.299423] ? __lock_acquire+0x62f/0x4c20 [ 406.303466] Node 0 [ 406.305545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.309777] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 406.313982] ? should_fail+0x22d/0xd01 [ 406.316190] lowmem_reserve[]: 0 [ 406.321734] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.350102] 0 [ 406.353997] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.357732] 0 0 [ 406.363026] ? __lock_acquire+0x62f/0x4c20 [ 406.364838] Node 0 [ 406.369954] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.371910] DMA: [ 406.376157] ? __lock_acquire+0x62f/0x4c20 [ 406.378369] 1*4kB [ 406.383466] ? should_fail+0x22d/0xd01 [ 406.385511] (U) [ 406.389748] ? rcu_irq_exit+0x1a2/0x390 [ 406.391883] 0*8kB 0*16kB [ 406.395787] ? mark_held_locks+0x130/0x130 [ 406.397733] 1*32kB [ 406.401706] ? mark_held_locks+0x130/0x130 [ 406.404448] (U) [ 406.408710] ? mark_held_locks+0xc7/0x130 [ 406.410924] 2*64kB [ 406.415156] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 406.417112] (U) [ 406.421256] ? zap_class+0x640/0x640 [ 406.423476] 1*128kB [ 406.428497] ? print_usage_bug+0xc0/0xc0 [ 406.430454] (U) [ 406.434167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.436463] 1*256kB (U) [ 406.440550] ? check_preemption_disabled+0x48/0x280 [ 406.442508] 0*512kB [ 406.448073] ? __lock_is_held+0xb5/0x140 [ 406.450730] 1*1024kB (U) [ 406.455757] __alloc_pages_nodemask+0xa80/0xde0 [ 406.458062] 1*2048kB (M) [ 406.462133] ? zap_class+0x640/0x640 [ 406.464864] 3*4096kB (M) [ 406.469545] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 406.472289] = 15908kB [ 406.476004] ? find_held_lock+0x36/0x1c0 [ 406.478736] Node 0 [ 406.483770] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.486157] DMA32: [ 406.490220] ? lock_downgrade+0x900/0x900 [ 406.492434] 5*4kB [ 406.497101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.499331] (M) [ 406.503492] cache_grow_begin+0xa5/0x8c0 [ 406.505633] 1*8kB (U) [ 406.511181] ? do_raw_spin_unlock+0xa7/0x330 [ 406.513138] 4*16kB [ 406.517199] fallback_alloc+0x204/0x2e0 [ 406.519678] (M) 2*32kB [ 406.524102] ____cache_alloc_node+0x1c7/0x1e0 [ 406.526316] (M) [ 406.530299] kmem_cache_alloc_node+0xe3/0x730 [ 406.532862] 4*64kB [ 406.537357] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.539316] (UM) [ 406.543817] __alloc_skb+0x119/0x770 [ 406.546036] 3*128kB (M) [ 406.550291] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.552333] 4*256kB [ 406.556043] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.558695] (UM) [ 406.563984] ? lock_downgrade+0x900/0x900 [ 406.566307] 3*512kB [ 406.570733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.572766] (M) 3*1024kB [ 406.576921] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.579231] (UM) [ 406.584780] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.587514] 3*2048kB [ 406.592963] ? addrconf_rs_timer+0x690/0x690 [ 406.595004] (UM) [ 406.600461] ndisc_alloc_skb+0x144/0x340 [ 406.602842] 3*4096kB [ 406.607246] ndisc_send_rs+0x331/0x6e0 [ 406.609304] (M) [ 406.613370] addrconf_rs_timer+0x314/0x690 [ 406.615763] = 24860kB [ 406.619671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.621631] Node 0 [ 406.625876] call_timer_fn+0x272/0x920 [ 406.628276] Normal: 767*4kB [ 406.632529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.634752] (UME) [ 406.638640] ? process_timeout+0x40/0x40 [ 406.641630] 454*8kB (ME) [ 406.645877] ? mark_held_locks+0xc7/0x130 [ 406.648000] 185*16kB [ 406.652059] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.654798] (UME) [ 406.658967] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.661363] 80*32kB (UME) [ 406.665864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.667995] 22*64kB [ 406.672494] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.675318] (M) [ 406.679555] ? trace_hardirqs_on+0xbd/0x310 [ 406.681862] 1*128kB [ 406.686483] ? kasan_check_read+0x11/0x20 [ 406.688438] (U) [ 406.692760] ? __run_timers+0x7da/0xc70 [ 406.695059] 1*256kB [ 406.699218] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.701171] (U) [ 406.705146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.707447] 0*512kB [ 406.712546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.714502] 0*1024kB [ 406.718737] __run_timers+0x7e5/0xc70 [ 406.721035] 0*2048kB 0*4096kB [ 406.725297] ? timer_fixup_init+0x70/0x70 [ 406.727678] = 14012kB [ 406.731476] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 406.734653] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 406.738802] ? zap_class+0x640/0x640 [ 406.741195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 406.746200] ? print_usage_bug+0xc0/0xc0 [ 406.755033] 163 total pagecache pages [ 406.758748] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 406.767318] 0 pages in swap cache [ 406.771386] ? find_held_lock+0x36/0x1c0 [ 406.775170] Swap cache stats: add 0, delete 0, find 0/0 [ 406.775179] Free swap = 0kB [ 406.780371] ? zap_class+0x640/0x640 [ 406.783791] Total swap = 0kB [ 406.783800] 1965979 pages RAM [ 406.787867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.793218] 0 pages HighMem/MovableOnly [ 406.796236] ? check_preemption_disabled+0x48/0x280 [ 406.799924] 342867 pages reserved [ 406.802963] ? __lock_is_held+0xb5/0x140 [ 406.806040] 0 pages cma reserved [ 406.811576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.815618] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 406.820540] ? check_preemption_disabled+0x48/0x280 [ 406.820568] run_timer_softirq+0x52/0xb0 [ 406.820586] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.824086] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.828084] __do_softirq+0x308/0xb7e [ 406.831433] ksoftirqd/0 cpuset= [ 406.836975] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 406.843442] / [ 406.848475] ? lock_downgrade+0x900/0x900 [ 406.852516] mems_allowed=0 [ 406.857528] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.893292] ? pvclock_read_flags+0x160/0x160 [ 406.897799] ? lapic_next_event+0x5a/0x90 [ 406.901956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.907504] ? kvm_clock_read+0x18/0x30 [ 406.911480] ? kvm_sched_clock_read+0x9/0x20 [ 406.915893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.921436] ? check_preemption_disabled+0x48/0x280 [ 406.926479] irq_exit+0x17f/0x1c0 [ 406.929953] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.934796] ? smp_reschedule_interrupt+0x109/0x650 [ 406.939819] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.945734] ? interrupt_entry+0xb5/0xc0 [ 406.949803] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.954830] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.959852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.964713] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.969732] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.974762] ? task_prio+0x50/0x50 [ 406.978328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.983878] ? check_preemption_disabled+0x48/0x280 [ 406.988905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.993762] apic_timer_interrupt+0xf/0x20 [ 406.997991] [ 407.000250] RIP: 0010:dump_stack+0x358/0x39d [ 407.004669] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 407.023581] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 407.031312] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 407.038607] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 407.045879] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 407.053148] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 407.060420] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 407.067739] ? dump_stack+0x34f/0x39d [ 407.071551] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.076771] dump_header+0x27b/0xf72 [ 407.080508] ? mark_held_locks+0x130/0x130 [ 407.084773] ? pagefault_out_of_memory+0x197/0x197 [ 407.089721] ? __lock_acquire+0x62f/0x4c20 [ 407.093983] ? zap_class+0x640/0x640 [ 407.097718] ? percpu_ref_get_many+0x240/0x240 [ 407.102311] ? print_usage_bug+0xc0/0xc0 [ 407.106379] ? print_usage_bug+0xc0/0xc0 [ 407.110451] ? zap_class+0x640/0x640 [ 407.114169] ? print_usage_bug+0xc0/0xc0 [ 407.118232] ? print_usage_bug+0xc0/0xc0 [ 407.122309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.127877] ? find_held_lock+0x36/0x1c0 [ 407.131964] ? mark_held_locks+0xc7/0x130 [ 407.136132] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.141238] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.146346] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.150933] ? trace_hardirqs_on+0xbd/0x310 [ 407.155261] ? kasan_check_read+0x11/0x20 [ 407.159422] ? ___ratelimit+0x3b4/0x672 [ 407.163418] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.168544] ? trace_hardirqs_on+0x310/0x310 [ 407.172958] ? lock_downgrade+0x900/0x900 [ 407.177116] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.182226] ? ___ratelimit+0x3b9/0x672 [ 407.186208] ? idr_get_free+0xec0/0xec0 [ 407.190204] ? find_held_lock+0x36/0x1c0 [ 407.194280] oom_kill_process.cold.27+0x10/0x903 [ 407.199049] ? zap_class+0x640/0x640 [ 407.202778] ? check_preemption_disabled+0x48/0x280 [ 407.207816] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.212755] ? kasan_check_read+0x11/0x20 [ 407.216907] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.222188] ? oom_evaluate_task+0x540/0x540 [ 407.226604] ? find_held_lock+0x36/0x1c0 [ 407.230674] ? out_of_memory+0x974/0x1430 [ 407.234832] ? lock_downgrade+0x900/0x900 [ 407.238999] ? check_preemption_disabled+0x48/0x280 [ 407.244025] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.248957] ? kasan_check_read+0x11/0x20 [ 407.253105] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.258392] ? rcu_softirq_qs+0x20/0x20 [ 407.262378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.267916] ? oom_evaluate_task+0x302/0x540 [ 407.272335] out_of_memory+0xa84/0x1430 [ 407.276336] ? oom_killer_disable+0x3a0/0x3a0 [ 407.280842] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 407.285801] ? __mutex_add_waiter+0x2a0/0x2a0 [ 407.290325] __alloc_pages_slowpath+0x22d4/0x2d70 [ 407.295211] ? warn_alloc+0x120/0x120 [ 407.299017] ? rcu_softirq_qs+0x20/0x20 [ 407.303024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.308567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.314118] ? should_fail+0x22d/0xd01 [ 407.318028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.323134] ? zap_class+0x640/0x640 [ 407.326877] ? __lock_is_held+0xb5/0x140 [ 407.330950] ? mark_held_locks+0x130/0x130 [ 407.335194] ? lock_release+0xa00/0xa00 [ 407.339170] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.344630] ? __might_sleep+0x95/0x190 [ 407.348637] __alloc_pages_nodemask+0xa80/0xde0 [ 407.353331] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 407.358369] ? __page_cache_alloc+0x191/0x5c0 [ 407.362875] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.367819] ? kasan_check_read+0x11/0x20 [ 407.371996] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.377277] ? zap_class+0x640/0x640 [ 407.381007] ? zap_class+0x640/0x640 [ 407.384729] ? zap_class+0x640/0x640 [ 407.388448] ? __do_page_cache_readahead+0x7ce/0x980 [ 407.393563] ? find_held_lock+0x36/0x1c0 [ 407.397637] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 407.403200] alloc_pages_current+0x173/0x350 [ 407.407624] __page_cache_alloc+0x38c/0x5c0 [ 407.411958] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.416896] ? kasan_check_read+0x11/0x20 [ 407.421074] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.426362] ? generic_perform_write+0x6a0/0x6a0 [ 407.431134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.436685] ? check_preemption_disabled+0x48/0x280 [ 407.441715] filemap_fault+0x1594/0x25f0 [ 407.445791] ? __lock_page_or_retry+0xa00/0xa00 [ 407.450478] ? mark_held_locks+0x130/0x130 [ 407.454720] ? rcu_softirq_qs+0x20/0x20 [ 407.458702] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.464340] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.468929] ? trace_hardirqs_on+0xbd/0x310 [ 407.473258] ? filemap_map_pages+0xe04/0x1990 [ 407.477772] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.482882] ? __free_object+0x173/0x340 [ 407.486952] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 407.491890] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.497003] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 407.501711] ? debug_object_free+0x32d/0x690 [ 407.506123] ? kasan_check_read+0x11/0x20 [ 407.510274] ? debug_object_destroy+0x2b0/0x2b0 [ 407.514957] ? lock_pi_update_atomic+0x150/0x150 [ 407.519748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.525295] ? __hrtimer_init+0xdb/0x240 [ 407.529386] ? lock_acquire+0x1ed/0x520 [ 407.533364] ? ext4_filemap_fault+0x7a/0xad [ 407.537698] ? lock_release+0xa00/0xa00 [ 407.541677] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.547132] ? print_usage_bug+0xc0/0xc0 [ 407.551202] ? print_usage_bug+0xc0/0xc0 [ 407.555329] ? down_read+0x8d/0x120 [ 407.558957] ? ext4_filemap_fault+0x7a/0xad [ 407.563281] ? __down_interruptible+0x700/0x700 [ 407.568003] ext4_filemap_fault+0x82/0xad [ 407.572171] __do_fault+0x100/0x6b0 [ 407.575838] ? pmd_devmap_trans_unstable+0x220/0x220 [ 407.580955] ? mark_held_locks+0x130/0x130 [ 407.585194] ? mark_held_locks+0x130/0x130 [ 407.589432] ? debug_smp_processor_id+0x1c/0x20 [ 407.594138] ? perf_trace_lock+0x14d/0x7a0 [ 407.598384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.603933] __handle_mm_fault+0x307c/0x5920 [ 407.608347] ? perf_trace_lock+0x7a0/0x7a0 [ 407.612599] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 407.617447] ? lock_is_held_type+0x210/0x210 [ 407.621867] ? ksys_dup3+0x680/0x680 [ 407.625599] ? zap_class+0x640/0x640 [ 407.629328] ? zap_class+0x640/0x640 [ 407.633043] ? __x64_sys_futex+0x53e/0x6a0 [ 407.637291] ? find_held_lock+0x36/0x1c0 [ 407.641382] ? handle_mm_fault+0x42a/0xc70 [ 407.645634] ? lock_downgrade+0x900/0x900 [ 407.649788] ? check_preemption_disabled+0x48/0x280 [ 407.654841] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.659786] ? kasan_check_read+0x11/0x20 [ 407.663938] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.669220] ? rcu_softirq_qs+0x20/0x20 [ 407.673196] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.678324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.683878] ? check_preemption_disabled+0x48/0x280 [ 407.688907] handle_mm_fault+0x54f/0xc70 [ 407.693095] ? __handle_mm_fault+0x5920/0x5920 [ 407.697687] ? find_vma+0x34/0x190 [ 407.701237] __do_page_fault+0x5e8/0xe60 [ 407.705331] ? trace_hardirqs_off+0xb8/0x310 [ 407.709744] ? kernel_write+0x120/0x120 [ 407.713753] do_page_fault+0xf2/0x7e0 [ 407.717556] ? vmalloc_sync_all+0x30/0x30 [ 407.721714] ? error_entry+0x70/0xd0 [ 407.725438] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.730457] ? trace_hardirqs_on_caller+0xc0/0x310 [ 407.735419] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.740349] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.745203] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.750235] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.755696] ? prepare_exit_to_usermode+0x291/0x3b0 [ 407.760735] ? page_fault+0x8/0x30 [ 407.764290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.769139] ? page_fault+0x8/0x30 [ 407.772683] page_fault+0x1e/0x30 [ 407.776147] RIP: 0033:0x45ddf3 [ 407.779354] Code: Bad RIP value. [ 407.782731] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 407.788107] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 407.795386] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 407.802661] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 407.809937] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 407.817223] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 407.824525] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 407.824591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.831030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.831036] Call Trace: [ 407.831058] dump_stack+0x244/0x39d [ 407.831089] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.837664] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.846948] warn_alloc.cold.117+0xb7/0x1bd [ 407.849505] syz-fuzzer cpuset= [ 407.853130] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.858305] / [ 407.868545] ? lock_downgrade+0x900/0x900 [ 407.872846] mems_allowed=0 [ 407.876036] ? trace_hardirqs_off+0xb8/0x310 [ 407.894024] ? trace_hardirqs_off+0xb8/0x310 [ 407.898449] __alloc_pages_slowpath+0x2660/0x2d70 [ 407.903358] ? warn_alloc+0x120/0x120 [ 407.907170] ? warn_alloc+0x120/0x120 [ 407.910977] ? print_usage_bug+0xc0/0xc0 [ 407.915042] ? warn_alloc+0x120/0x120 [ 407.918854] ? print_usage_bug+0xc0/0xc0 [ 407.922921] ? __lock_acquire+0x62f/0x4c20 [ 407.927159] ? __lock_acquire+0x62f/0x4c20 [ 407.931493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.937037] ? should_fail+0x22d/0xd01 [ 407.940949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.946057] ? __lock_acquire+0x62f/0x4c20 [ 407.950300] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.955420] ? __lock_acquire+0x62f/0x4c20 [ 407.959652] ? should_fail+0x22d/0xd01 [ 407.963547] ? find_held_lock+0x36/0x1c0 [ 407.967621] ? mark_held_locks+0x130/0x130 [ 407.971861] ? mark_held_locks+0x130/0x130 [ 407.976103] ? zap_class+0x640/0x640 [ 407.979835] ? zap_class+0x640/0x640 [ 407.983581] ? print_usage_bug+0xc0/0xc0 [ 407.987647] ? do_raw_spin_unlock+0xa7/0x330 [ 407.992057] ? zap_class+0x640/0x640 [ 407.995803] ? print_usage_bug+0xc0/0xc0 [ 407.999888] ? wq_watchdog_touch+0x9c/0xfe [ 408.004138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.009696] ? check_preemption_disabled+0x48/0x280 [ 408.014750] ? __lock_is_held+0xb5/0x140 [ 408.018839] __alloc_pages_nodemask+0xa80/0xde0 [ 408.023511] ? zap_class+0x640/0x640 [ 408.027242] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 408.032297] ? find_held_lock+0x36/0x1c0 [ 408.036399] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.041084] ? lock_downgrade+0x900/0x900 [ 408.045241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.050791] cache_grow_begin+0xa5/0x8c0 [ 408.054854] ? do_raw_spin_unlock+0xa7/0x330 [ 408.059272] fallback_alloc+0x204/0x2e0 [ 408.063261] ____cache_alloc_node+0x1c7/0x1e0 [ 408.067788] kmem_cache_alloc_node+0xe3/0x730 [ 408.072296] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.076548] __alloc_skb+0x119/0x770 [ 408.080264] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.085557] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.089975] ? lock_downgrade+0x900/0x900 [ 408.094146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.099688] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.105164] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.110618] ? addrconf_rs_timer+0x690/0x690 [ 408.115073] ndisc_alloc_skb+0x144/0x340 [ 408.119152] ndisc_send_rs+0x331/0x6e0 [ 408.123051] addrconf_rs_timer+0x314/0x690 [ 408.127303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.131562] call_timer_fn+0x272/0x920 [ 408.135460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.139698] ? process_timeout+0x40/0x40 [ 408.143775] ? __run_timers+0x7da/0xc70 [ 408.147763] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.152258] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.156800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.161043] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.165636] ? trace_hardirqs_on+0xbd/0x310 [ 408.169977] ? kasan_check_read+0x11/0x20 [ 408.174140] ? __run_timers+0x7da/0xc70 [ 408.178147] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.183297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.187547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.191784] __run_timers+0x7e5/0xc70 [ 408.195621] ? timer_fixup_init+0x70/0x70 [ 408.199777] ? compat_start_thread+0x80/0x80 [ 408.204195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.209765] ? _raw_spin_unlock_irq+0x60/0x80 [ 408.214269] ? finish_task_switch+0x1f4/0x910 [ 408.218777] ? finish_task_switch+0x1b4/0x910 [ 408.223305] ? __switch_to_asm+0x34/0x70 [ 408.227379] ? preempt_notifier_register+0x200/0x200 [ 408.232483] ? __switch_to_asm+0x34/0x70 [ 408.236560] ? __switch_to_asm+0x40/0x70 [ 408.240624] ? __switch_to_asm+0x34/0x70 [ 408.244684] ? __switch_to_asm+0x40/0x70 [ 408.248744] ? __switch_to_asm+0x34/0x70 [ 408.252806] ? __switch_to_asm+0x40/0x70 [ 408.256898] ? __switch_to_asm+0x40/0x70 [ 408.260974] ? pvclock_read_flags+0x160/0x160 [ 408.265476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.271028] ? check_preemption_disabled+0x48/0x280 [ 408.276122] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 408.281674] ? rcu_pm_notify+0xc0/0xc0 [ 408.285567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.291123] ? check_preemption_disabled+0x48/0x280 [ 408.296176] run_timer_softirq+0x52/0xb0 [ 408.300243] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.305260] __do_softirq+0x308/0xb7e [ 408.309075] ? retint_kernel+0x2d/0x2d [ 408.312969] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 408.318086] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.323547] ? schedule+0x108/0x460 [ 408.327177] ? __schedule+0x21d0/0x21d0 [ 408.331161] ? trace_hardirqs_off+0xb8/0x310 [ 408.335578] ? smpboot_thread_fn+0x68b/0xa00 [ 408.339992] ? trace_hardirqs_on+0x310/0x310 [ 408.344408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.349949] ? check_preemption_disabled+0x48/0x280 [ 408.354977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.360970] ? takeover_tasklets+0xa90/0xa90 [ 408.365391] run_ksoftirqd+0x5e/0x100 [ 408.369220] smpboot_thread_fn+0x68b/0xa00 [ 408.373464] ? sort_range+0x30/0x30 [ 408.377100] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.382208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.387749] ? __kthread_parkme+0xfb/0x1a0 [ 408.392015] kthread+0x35a/0x420 [ 408.395433] ? sort_range+0x30/0x30 [ 408.399065] ? kthread_stop+0x900/0x900 [ 408.403049] ret_from_fork+0x3a/0x50 [ 408.406777] warn_alloc_show_mem: 1 callbacks suppressed [ 408.406789] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 408.406791] Mem-Info: [ 408.406823] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 408.406823] active_file:13 inactive_file:12 isolated_file:0 [ 408.406823] unevictable:0 dirty:0 writeback:0 unstable:0 [ 408.406823] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 408.406823] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 408.406823] free:13679 free_pcp:387 free_cma:0 [ 408.412179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.418861] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 408.418871] Node 0 [ 408.421315] Call Trace: [ 408.454223] 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 [ 408.463579] [ 408.491088] lowmem_reserve[]: 0 [ 408.493353] dump_stack+0x244/0x39d [ 408.495912] 2818 [ 408.521445] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.523573] 6321 [ 408.526867] warn_alloc.cold.117+0xb7/0x1bd [ 408.530467] 6321 [ 408.532530] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.537713] Node 0 [ 408.539777] ? lock_downgrade+0x900/0x900 [ 408.544099] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 408.546137] ? trace_hardirqs_off+0xb8/0x310 [ 408.550954] lowmem_reserve[]: 0 [ 408.553210] ? trace_hardirqs_off+0xb8/0x310 [ 408.557323] 0 3503 [ 408.584354] __alloc_pages_slowpath+0x2660/0x2d70 [ 408.588748] 3503 [ 408.592055] ? warn_alloc+0x120/0x120 [ 408.598663] ? warn_alloc+0x120/0x120 [ 408.603499] Node 0 [ 408.605561] ? print_usage_bug+0xc0/0xc0 [ 408.609368] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 408.613142] ? warn_alloc+0x120/0x120 [ 408.615355] lowmem_reserve[]: [ 408.619412] ? print_usage_bug+0xc0/0xc0 [ 408.647774] 0 0 [ 408.651598] ? __lock_acquire+0x62f/0x4c20 [ 408.654669] 0 0 [ 408.658748] ? __lock_acquire+0x62f/0x4c20 [ 408.664945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.666899] Node 0 [ 408.671140] ? should_fail+0x22d/0xd01 [ 408.676655] DMA: 1*4kB [ 408.678909] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.682790] (U) [ 408.685387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.690659] 0*8kB [ 408.692639] ? __lock_acquire+0x62f/0x4c20 [ 408.697733] 0*16kB 1*32kB [ 408.699908] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.704145] (U) [ 408.706985] ? __lock_acquire+0x62f/0x4c20 [ 408.712058] 2*64kB (U) [ 408.714039] ? should_fail+0x22d/0xd01 [ 408.718252] 1*128kB (U) [ 408.720862] ? rcu_irq_exit+0x1a2/0x390 [ 408.724717] 1*256kB (U) [ 408.727421] ? mark_held_locks+0x130/0x130 [ 408.731369] 0*512kB [ 408.734047] ? mark_held_locks+0x130/0x130 [ 408.738275] 1*1024kB [ 408.740619] ? mark_held_locks+0xc7/0x130 [ 408.744834] (U) [ 408.747242] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 408.751372] 1*2048kB [ 408.753350] ? zap_class+0x640/0x640 [ 408.758356] (M) [ 408.760776] ? print_usage_bug+0xc0/0xc0 [ 408.764478] 3*4096kB [ 408.766455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.770485] (M) = 15908kB [ 408.772919] ? check_preemption_disabled+0x48/0x280 [ 408.778436] Node 0 [ 408.781204] ? __lock_is_held+0xb5/0x140 [ 408.786198] DMA32: 5*4kB [ 408.788452] __alloc_pages_nodemask+0xa80/0xde0 [ 408.792487] (M) [ 408.795240] ? zap_class+0x640/0x640 [ 408.799884] 1*8kB (U) [ 408.801874] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 408.805571] 4*16kB [ 408.808080] ? find_held_lock+0x36/0x1c0 [ 408.813061] (M) 2*32kB [ 408.815323] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.819355] (M) 4*64kB [ 408.821961] ? lock_downgrade+0x900/0x900 [ 408.826606] (UM) [ 408.829190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.833317] 3*128kB [ 408.835382] cache_grow_begin+0xa5/0x8c0 [ 408.840888] (M) 4*256kB [ 408.843219] ? do_raw_spin_unlock+0xa7/0x330 [ 408.847253] (UM) 3*512kB [ 408.849947] fallback_alloc+0x204/0x2e0 [ 408.854330] (M) [ 408.857112] ____cache_alloc_node+0x1c7/0x1e0 [ 408.861061] 3*1024kB [ 408.863033] kmem_cache_alloc_node+0xe3/0x730 [ 408.867502] (UM) [ 408.869910] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.874384] 3*2048kB [ 408.876453] __alloc_skb+0x119/0x770 [ 408.880673] (UM) 3*4096kB [ 408.883111] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.886790] (M) = 24860kB [ 408.889673] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.894932] Node 0 [ 408.897708] ? lock_downgrade+0x900/0x900 [ 408.902090] Normal: [ 408.904328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.908463] 767*4kB [ 408.910788] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.916328] (UME) [ 408.918653] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.924076] 454*8kB [ 408.926227] ? addrconf_rs_timer+0x690/0x690 [ 408.931655] (ME) [ 408.934000] ndisc_alloc_skb+0x144/0x340 [ 408.938400] 185*16kB (UME) [ 408.940485] ndisc_send_rs+0x331/0x6e0 [ 408.944525] 80*32kB [ 408.947453] addrconf_rs_timer+0x314/0x690 [ 408.951310] (UME) 22*64kB [ 408.953649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.957855] (M) [ 408.960710] call_timer_fn+0x272/0x920 [ 408.964915] 1*128kB [ 408.966890] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.970752] (U) 1*256kB [ 408.973090] ? process_timeout+0x40/0x40 [ 408.977309] (U) [ 408.979984] ? mark_held_locks+0xc7/0x130 [ 408.984015] 0*512kB 0*1024kB [ 408.986003] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.990139] 0*2048kB 0*4096kB [ 408.993275] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.997755] = 14012kB [ 409.000942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.005421] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 409.007833] ? lockdep_hardirqs_on+0x296/0x5b0 [ 409.012050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 409.012060] 163 total pagecache pages [ 409.020894] ? trace_hardirqs_on+0xbd/0x310 [ 409.025461] 0 pages in swap cache [ 409.034037] ? kasan_check_read+0x11/0x20 [ 409.037815] Swap cache stats: add 0, delete 0, find 0/0 [ 409.042181] ? __run_timers+0x7da/0xc70 [ 409.045615] Free swap = 0kB [ 409.049769] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.055116] Total swap = 0kB [ 409.059088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.062095] 1965979 pages RAM [ 409.067214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.070225] 0 pages HighMem/MovableOnly [ 409.074464] __run_timers+0x7e5/0xc70 [ 409.077545] 342867 pages reserved [ 409.081783] ? timer_fixup_init+0x70/0x70 [ 409.085725] 0 pages cma reserved [ 409.085814] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 409.089533] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.089549] ? zap_class+0x640/0x640 [ 409.089568] ? print_usage_bug+0xc0/0xc0 [ 409.093064] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.097150] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.100495] ksoftirqd/0 cpuset= [ 409.106992] ? find_held_lock+0x36/0x1c0 [ 409.111987] / [ 409.115701] ? zap_class+0x640/0x640 [ 409.119746] mems_allowed=0 [ 409.130062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.156423] ? check_preemption_disabled+0x48/0x280 [ 409.161459] ? __lock_is_held+0xb5/0x140 [ 409.165531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.171081] ? check_preemption_disabled+0x48/0x280 [ 409.176108] run_timer_softirq+0x52/0xb0 [ 409.180172] ? rcu_read_lock_sched_held+0x14f/0x180 [ 409.185194] __do_softirq+0x308/0xb7e [ 409.189002] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 409.193500] ? lock_downgrade+0x900/0x900 [ 409.197653] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.202797] ? pvclock_read_flags+0x160/0x160 [ 409.207319] ? lapic_next_event+0x5a/0x90 [ 409.211496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.217045] ? kvm_clock_read+0x18/0x30 [ 409.221025] ? kvm_sched_clock_read+0x9/0x20 [ 409.225458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.231017] ? check_preemption_disabled+0x48/0x280 [ 409.236045] irq_exit+0x17f/0x1c0 [ 409.239523] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.244365] ? smp_reschedule_interrupt+0x109/0x650 [ 409.249386] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.255275] ? interrupt_entry+0xb5/0xc0 [ 409.259380] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.264438] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.269463] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.274318] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.279355] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.284375] ? task_prio+0x50/0x50 [ 409.287935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.293484] ? check_preemption_disabled+0x48/0x280 [ 409.298510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.303369] apic_timer_interrupt+0xf/0x20 [ 409.307600] [ 409.309842] RIP: 0010:dump_stack+0x358/0x39d [ 409.314260] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 409.333196] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 409.340921] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 409.348192] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 409.355463] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 409.362740] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 409.370013] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 409.377328] ? dump_stack+0x34f/0x39d [ 409.381174] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.386382] dump_header+0x27b/0xf72 [ 409.390112] ? mark_held_locks+0x130/0x130 [ 409.394350] ? pagefault_out_of_memory+0x197/0x197 [ 409.399313] ? __lock_acquire+0x62f/0x4c20 [ 409.403552] ? zap_class+0x640/0x640 [ 409.407274] ? percpu_ref_get_many+0x240/0x240 [ 409.411870] ? print_usage_bug+0xc0/0xc0 [ 409.415935] ? print_usage_bug+0xc0/0xc0 [ 409.420010] ? zap_class+0x640/0x640 [ 409.423751] ? print_usage_bug+0xc0/0xc0 [ 409.427847] ? print_usage_bug+0xc0/0xc0 [ 409.431920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.437471] ? find_held_lock+0x36/0x1c0 [ 409.441553] ? mark_held_locks+0xc7/0x130 [ 409.445708] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.450831] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.455936] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.460538] ? trace_hardirqs_on+0xbd/0x310 [ 409.465384] ? kasan_check_read+0x11/0x20 [ 409.469539] ? ___ratelimit+0x3b4/0x672 [ 409.473517] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.478631] ? trace_hardirqs_on+0x310/0x310 [ 409.483050] ? lock_downgrade+0x900/0x900 [ 409.487220] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.492328] ? ___ratelimit+0x3b9/0x672 [ 409.496314] ? idr_get_free+0xec0/0xec0 [ 409.500302] ? find_held_lock+0x36/0x1c0 [ 409.504383] oom_kill_process.cold.27+0x10/0x903 [ 409.509162] ? zap_class+0x640/0x640 [ 409.512879] ? check_preemption_disabled+0x48/0x280 [ 409.517907] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.522858] ? kasan_check_read+0x11/0x20 [ 409.527010] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.532301] ? oom_evaluate_task+0x540/0x540 [ 409.536720] ? find_held_lock+0x36/0x1c0 [ 409.540795] ? out_of_memory+0x974/0x1430 [ 409.544952] ? lock_downgrade+0x900/0x900 [ 409.549106] ? check_preemption_disabled+0x48/0x280 [ 409.554152] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.559083] ? kasan_check_read+0x11/0x20 [ 409.563233] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.568514] ? rcu_softirq_qs+0x20/0x20 [ 409.572501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.578044] ? oom_evaluate_task+0x302/0x540 [ 409.582495] out_of_memory+0xa84/0x1430 [ 409.586491] ? oom_killer_disable+0x3a0/0x3a0 [ 409.590993] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 409.595953] ? __mutex_add_waiter+0x2a0/0x2a0 [ 409.600463] __alloc_pages_slowpath+0x22d4/0x2d70 [ 409.605349] ? warn_alloc+0x120/0x120 [ 409.609166] ? rcu_softirq_qs+0x20/0x20 [ 409.613201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.618742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.624302] ? should_fail+0x22d/0xd01 [ 409.628200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.633315] ? zap_class+0x640/0x640 [ 409.637062] ? __lock_is_held+0xb5/0x140 [ 409.641135] ? mark_held_locks+0x130/0x130 [ 409.645378] ? lock_release+0xa00/0xa00 [ 409.649359] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.654851] ? __might_sleep+0x95/0x190 [ 409.658855] __alloc_pages_nodemask+0xa80/0xde0 [ 409.663543] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 409.668566] ? __page_cache_alloc+0x191/0x5c0 [ 409.673070] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.678014] ? kasan_check_read+0x11/0x20 [ 409.682164] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.687455] ? zap_class+0x640/0x640 [ 409.691178] ? zap_class+0x640/0x640 [ 409.694892] ? zap_class+0x640/0x640 [ 409.698609] ? __do_page_cache_readahead+0x7ce/0x980 [ 409.703724] ? find_held_lock+0x36/0x1c0 [ 409.707795] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 409.713352] alloc_pages_current+0x173/0x350 [ 409.717773] __page_cache_alloc+0x38c/0x5c0 [ 409.722106] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.727038] ? kasan_check_read+0x11/0x20 [ 409.731192] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.736489] ? generic_perform_write+0x6a0/0x6a0 [ 409.741257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.746831] ? check_preemption_disabled+0x48/0x280 [ 409.751867] filemap_fault+0x1594/0x25f0 [ 409.755983] ? __lock_page_or_retry+0xa00/0xa00 [ 409.760674] ? mark_held_locks+0x130/0x130 [ 409.764950] ? rcu_softirq_qs+0x20/0x20 [ 409.768926] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.774030] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.778624] ? trace_hardirqs_on+0xbd/0x310 [ 409.782956] ? filemap_map_pages+0xe04/0x1990 [ 409.787464] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.792576] ? __free_object+0x173/0x340 [ 409.796645] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 409.801577] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.806684] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 409.811372] ? debug_object_free+0x32d/0x690 [ 409.815800] ? kasan_check_read+0x11/0x20 [ 409.819969] ? debug_object_destroy+0x2b0/0x2b0 [ 409.824644] ? lock_pi_update_atomic+0x150/0x150 [ 409.829425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.834986] ? __hrtimer_init+0xdb/0x240 [ 409.839076] ? lock_acquire+0x1ed/0x520 [ 409.843088] ? ext4_filemap_fault+0x7a/0xad [ 409.847428] ? lock_release+0xa00/0xa00 [ 409.851407] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.856866] ? print_usage_bug+0xc0/0xc0 [ 409.860930] ? print_usage_bug+0xc0/0xc0 [ 409.865004] ? down_read+0x8d/0x120 [ 409.868653] ? ext4_filemap_fault+0x7a/0xad [ 409.872980] ? __down_interruptible+0x700/0x700 [ 409.877671] ext4_filemap_fault+0x82/0xad [ 409.881854] __do_fault+0x100/0x6b0 [ 409.885486] ? pmd_devmap_trans_unstable+0x220/0x220 [ 409.890603] ? mark_held_locks+0x130/0x130 [ 409.894848] ? mark_held_locks+0x130/0x130 [ 409.899088] ? debug_smp_processor_id+0x1c/0x20 [ 409.903759] ? perf_trace_lock+0x14d/0x7a0 [ 409.908011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.913557] __handle_mm_fault+0x307c/0x5920 [ 409.917967] ? perf_trace_lock+0x7a0/0x7a0 [ 409.922234] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 409.927105] ? lock_is_held_type+0x210/0x210 [ 409.931525] ? ksys_dup3+0x680/0x680 [ 409.935257] ? zap_class+0x640/0x640 [ 409.939041] ? zap_class+0x640/0x640 [ 409.942771] ? __x64_sys_futex+0x53e/0x6a0 [ 409.947026] ? find_held_lock+0x36/0x1c0 [ 409.951127] ? handle_mm_fault+0x42a/0xc70 [ 409.955380] ? lock_downgrade+0x900/0x900 [ 409.959531] ? check_preemption_disabled+0x48/0x280 [ 409.964561] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.969493] ? kasan_check_read+0x11/0x20 [ 409.973645] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.978932] ? rcu_softirq_qs+0x20/0x20 [ 409.982917] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.988030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.993578] ? check_preemption_disabled+0x48/0x280 [ 409.998610] handle_mm_fault+0x54f/0xc70 [ 410.002683] ? __handle_mm_fault+0x5920/0x5920 [ 410.007299] ? find_vma+0x34/0x190 [ 410.010865] __do_page_fault+0x5e8/0xe60 [ 410.014926] ? trace_hardirqs_off+0xb8/0x310 [ 410.019351] ? kernel_write+0x120/0x120 [ 410.023344] do_page_fault+0xf2/0x7e0 [ 410.027149] ? vmalloc_sync_all+0x30/0x30 [ 410.031306] ? error_entry+0x70/0xd0 [ 410.035029] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.040045] ? trace_hardirqs_on_caller+0xc0/0x310 [ 410.044981] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.049906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.054763] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.059785] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.065244] ? prepare_exit_to_usermode+0x291/0x3b0 [ 410.070277] ? page_fault+0x8/0x30 [ 410.073843] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.078696] ? page_fault+0x8/0x30 [ 410.082245] page_fault+0x1e/0x30 [ 410.085697] RIP: 0033:0x45ddf3 [ 410.088910] Code: Bad RIP value. [ 410.092274] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 410.097656] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 410.104925] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 410.112199] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 410.119468] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 410.126745] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 410.134055] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 410.134132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 410.140573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.140579] Call Trace: [ 410.140602] dump_stack+0x244/0x39d [ 410.140622] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.147166] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.156496] warn_alloc.cold.117+0xb7/0x1bd [ 410.159047] syz-fuzzer cpuset= [ 410.162683] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.167851] / [ 410.178079] ? lock_downgrade+0x900/0x900 [ 410.182376] mems_allowed=0 [ 410.199208] ? trace_hardirqs_off+0xb8/0x310 [ 410.203645] ? trace_hardirqs_off+0xb8/0x310 [ 410.208076] __alloc_pages_slowpath+0x2660/0x2d70 [ 410.212954] ? warn_alloc+0x120/0x120 [ 410.216763] ? warn_alloc+0x120/0x120 [ 410.220575] ? print_usage_bug+0xc0/0xc0 [ 410.224667] ? warn_alloc+0x120/0x120 [ 410.228490] ? print_usage_bug+0xc0/0xc0 [ 410.232559] ? __lock_acquire+0x62f/0x4c20 [ 410.236795] ? __lock_acquire+0x62f/0x4c20 [ 410.241039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.246599] ? should_fail+0x22d/0xd01 [ 410.250533] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.255640] ? __lock_acquire+0x62f/0x4c20 [ 410.259881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.264996] ? __lock_acquire+0x62f/0x4c20 [ 410.269255] ? should_fail+0x22d/0xd01 [ 410.273156] ? find_held_lock+0x36/0x1c0 [ 410.277232] ? mark_held_locks+0x130/0x130 [ 410.281480] ? mark_held_locks+0x130/0x130 [ 410.285717] ? zap_class+0x640/0x640 [ 410.289450] ? zap_class+0x640/0x640 [ 410.293190] ? print_usage_bug+0xc0/0xc0 [ 410.297278] ? do_raw_spin_unlock+0xa7/0x330 [ 410.301726] ? zap_class+0x640/0x640 [ 410.305443] ? print_usage_bug+0xc0/0xc0 [ 410.309505] ? wq_watchdog_touch+0x9c/0xfe [ 410.313753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.319312] ? check_preemption_disabled+0x48/0x280 [ 410.324361] ? __lock_is_held+0xb5/0x140 [ 410.328439] __alloc_pages_nodemask+0xa80/0xde0 [ 410.333109] ? zap_class+0x640/0x640 [ 410.336833] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 410.341872] ? find_held_lock+0x36/0x1c0 [ 410.345959] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.350635] ? lock_downgrade+0x900/0x900 [ 410.354794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.360801] cache_grow_begin+0xa5/0x8c0 [ 410.364881] ? do_raw_spin_unlock+0xa7/0x330 [ 410.369319] fallback_alloc+0x204/0x2e0 [ 410.373319] ____cache_alloc_node+0x1c7/0x1e0 [ 410.377829] kmem_cache_alloc_node+0xe3/0x730 [ 410.382356] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.386607] __alloc_skb+0x119/0x770 [ 410.390335] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.395635] ? netdev_alloc_frag+0x1f0/0x1f0 [ 410.400048] ? lock_downgrade+0x900/0x900 [ 410.404226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.409767] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.415224] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.420696] ? addrconf_rs_timer+0x690/0x690 [ 410.425123] ndisc_alloc_skb+0x144/0x340 [ 410.429198] ndisc_send_rs+0x331/0x6e0 [ 410.433093] addrconf_rs_timer+0x314/0x690 [ 410.437343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.441601] call_timer_fn+0x272/0x920 [ 410.445494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.449740] ? process_timeout+0x40/0x40 [ 410.453814] ? __run_timers+0x7da/0xc70 [ 410.457819] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.462346] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.466856] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.471094] ? lockdep_hardirqs_on+0x296/0x5b0 [ 410.475681] ? trace_hardirqs_on+0xbd/0x310 [ 410.480020] ? kasan_check_read+0x11/0x20 [ 410.484188] ? __run_timers+0x7da/0xc70 [ 410.488167] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.493278] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.497530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.501775] __run_timers+0x7e5/0xc70 [ 410.505594] ? timer_fixup_init+0x70/0x70 [ 410.509769] ? compat_start_thread+0x80/0x80 [ 410.514194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.519741] ? _raw_spin_unlock_irq+0x60/0x80 [ 410.524246] ? finish_task_switch+0x1f4/0x910 [ 410.528741] ? finish_task_switch+0x1b4/0x910 [ 410.533238] ? __switch_to_asm+0x34/0x70 [ 410.537313] ? preempt_notifier_register+0x200/0x200 [ 410.542436] ? __switch_to_asm+0x34/0x70 [ 410.546501] ? __switch_to_asm+0x40/0x70 [ 410.550561] ? __switch_to_asm+0x34/0x70 [ 410.554623] ? __switch_to_asm+0x40/0x70 [ 410.558689] ? __switch_to_asm+0x34/0x70 [ 410.562750] ? __switch_to_asm+0x40/0x70 [ 410.566816] ? __switch_to_asm+0x40/0x70 [ 410.570891] ? pvclock_read_flags+0x160/0x160 [ 410.575402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.580951] ? check_preemption_disabled+0x48/0x280 [ 410.586004] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 410.591553] ? rcu_pm_notify+0xc0/0xc0 [ 410.595448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.601016] ? check_preemption_disabled+0x48/0x280 [ 410.606041] run_timer_softirq+0x52/0xb0 [ 410.610110] ? rcu_read_lock_sched_held+0x14f/0x180 [ 410.615130] __do_softirq+0x308/0xb7e [ 410.618944] ? retint_kernel+0x2d/0x2d [ 410.622844] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 410.627977] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.633437] ? schedule+0x108/0x460 [ 410.637087] ? __schedule+0x21d0/0x21d0 [ 410.641075] ? trace_hardirqs_off+0xb8/0x310 [ 410.645494] ? smpboot_thread_fn+0x68b/0xa00 [ 410.649908] ? trace_hardirqs_on+0x310/0x310 [ 410.654333] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.659875] ? check_preemption_disabled+0x48/0x280 [ 410.664898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.670445] ? takeover_tasklets+0xa90/0xa90 [ 410.674861] run_ksoftirqd+0x5e/0x100 [ 410.678670] smpboot_thread_fn+0x68b/0xa00 [ 410.682930] ? sort_range+0x30/0x30 [ 410.686566] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 410.691672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.697215] ? __kthread_parkme+0xfb/0x1a0 [ 410.701463] kthread+0x35a/0x420 [ 410.704849] ? sort_range+0x30/0x30 [ 410.708480] ? kthread_stop+0x900/0x900 [ 410.712462] ret_from_fork+0x3a/0x50 [ 410.716196] warn_alloc_show_mem: 1 callbacks suppressed [ 410.716208] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 410.716210] Mem-Info: [ 410.716241] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 410.716241] active_file:13 inactive_file:12 isolated_file:0 [ 410.716241] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.716241] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 410.716241] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 410.716241] free:13679 free_pcp:387 free_cma:0 [ 410.721584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.721594] Call Trace: [ 410.728290] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.730696] [ 410.763583] Node 0 [ 410.772972] dump_stack+0x244/0x39d [ 410.775575] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 410.803084] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.805211] lowmem_reserve[]: [ 410.807456] warn_alloc.cold.117+0xb7/0x1bd [ 410.811063] 0 [ 410.836582] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.841748] 2818 [ 410.844859] ? lock_downgrade+0x900/0x900 [ 410.849163] 6321 [ 410.850985] ? trace_hardirqs_off+0xb8/0x310 [ 410.855798] 6321 [ 410.857899] ? trace_hardirqs_off+0xb8/0x310 [ 410.862111] Node 0 [ 410.864179] __alloc_pages_slowpath+0x2660/0x2d70 [ 410.868584] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 410.870648] ? warn_alloc+0x120/0x120 [ 410.875004] lowmem_reserve[]: 0 [ 410.877254] ? warn_alloc+0x120/0x120 [ 410.882064] 0 3503 [ 410.909098] ? print_usage_bug+0xc0/0xc0 [ 410.912879] 3503 [ 410.916172] ? warn_alloc+0x120/0x120 [ 410.922185] ? print_usage_bug+0xc0/0xc0 [ 410.926222] Node 0 [ 410.928294] ? __lock_acquire+0x62f/0x4c20 [ 410.932106] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 410.936166] ? __lock_acquire+0x62f/0x4c20 [ 410.938379] lowmem_reserve[]: [ 410.942618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.970967] 0 0 [ 410.975222] ? should_fail+0x22d/0xd01 [ 410.978310] 0 [ 410.983849] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.985830] 0 [ 410.989733] ? __lock_acquire+0x62f/0x4c20 [ 410.991512] Node 0 [ 410.996618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.998404] DMA: [ 411.002639] ? __lock_acquire+0x62f/0x4c20 [ 411.004863] 1*4kB [ 411.009974] ? should_fail+0x22d/0xd01 [ 411.012035] (U) [ 411.016267] ? find_held_lock+0x36/0x1c0 [ 411.018406] 0*8kB [ 411.022305] ? mark_held_locks+0x130/0x130 [ 411.024259] 0*16kB [ 411.028327] ? mark_held_locks+0x130/0x130 [ 411.030463] 1*32kB [ 411.034700] ? zap_class+0x640/0x640 [ 411.036919] (U) [ 411.041181] ? zap_class+0x640/0x640 [ 411.043400] 2*64kB [ 411.047110] ? print_usage_bug+0xc0/0xc0 [ 411.049066] (U) [ 411.052780] ? do_raw_spin_unlock+0xa7/0x330 [ 411.054998] 1*128kB [ 411.059058] ? zap_class+0x640/0x640 [ 411.061015] (U) [ 411.065420] ? print_usage_bug+0xc0/0xc0 [ 411.067723] 1*256kB [ 411.071434] ? wq_watchdog_touch+0x9c/0xfe [ 411.073405] (U) 0*512kB [ 411.077477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.079781] 1*1024kB [ 411.084024] ? check_preemption_disabled+0x48/0x280 [ 411.086665] (U) 1*2048kB [ 411.092261] ? __lock_is_held+0xb5/0x140 [ 411.094645] (M) [ 411.099663] __alloc_pages_nodemask+0xa80/0xde0 [ 411.102401] 3*4096kB [ 411.106467] ? zap_class+0x640/0x640 [ 411.108450] (M) = 15908kB [ 411.113132] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 411.115523] Node 0 [ 411.119252] ? find_held_lock+0x36/0x1c0 [ 411.121979] DMA32: [ 411.127001] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.129213] 5*4kB [ 411.133275] ? lock_downgrade+0x900/0x900 [ 411.135504] (M) [ 411.140181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.142337] 1*8kB [ 411.146477] cache_grow_begin+0xa5/0x8c0 [ 411.148431] (U) [ 411.153982] ? do_raw_spin_unlock+0xa7/0x330 [ 411.156117] 4*16kB [ 411.160185] fallback_alloc+0x204/0x2e0 [ 411.162137] (M) [ 411.166567] ____cache_alloc_node+0x1c7/0x1e0 [ 411.168792] 2*32kB [ 411.172765] kmem_cache_alloc_node+0xe3/0x730 [ 411.174717] (M) [ 411.179219] ? ipv6_get_ifaddr+0x42e/0x620 [ 411.181438] 4*64kB [ 411.185933] __alloc_skb+0x119/0x770 [ 411.187881] (UM) [ 411.192138] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.194353] 3*128kB [ 411.198068] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.200107] (M) [ 411.205384] ? lock_downgrade+0x900/0x900 [ 411.207689] 4*256kB [ 411.212102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.214056] (UM) [ 411.218221] ? refcount_sub_and_test_checked+0x203/0x310 [ 411.220525] 3*512kB [ 411.226065] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 411.228105] (M) [ 411.233554] ? addrconf_rs_timer+0x690/0x690 [ 411.235856] 3*1024kB [ 411.241336] ndisc_alloc_skb+0x144/0x340 [ 411.243301] (UM) [ 411.247710] ndisc_send_rs+0x331/0x6e0 [ 411.250098] 3*2048kB [ 411.254154] addrconf_rs_timer+0x314/0x690 [ 411.256198] (UM) [ 411.260086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.262471] 3*4096kB (M) [ 411.266743] call_timer_fn+0x272/0x920 [ 411.268767] = 24860kB [ 411.268777] Node 0 [ 411.273010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.275750] Normal: [ 411.279638] ? process_timeout+0x40/0x40 [ 411.282042] 767*4kB [ 411.284294] ? mark_held_locks+0xc7/0x130 [ 411.288501] (UME) 454*8kB [ 411.290845] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.294881] (ME) [ 411.297206] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.301335] 185*16kB [ 411.304180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.304199] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.308689] (UME) [ 411.310768] ? trace_hardirqs_on+0xbd/0x310 [ 411.315234] 80*32kB (UME) [ 411.317668] ? kasan_check_read+0x11/0x20 [ 411.321879] 22*64kB [ 411.326461] ? __run_timers+0x7da/0xc70 [ 411.328589] (M) [ 411.332913] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.335735] 1*128kB [ 411.339879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.342188] (U) 1*256kB [ 411.346176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.348129] (U) [ 411.353239] __run_timers+0x7e5/0xc70 [ 411.355540] 0*512kB [ 411.359782] ? timer_fixup_init+0x70/0x70 [ 411.362429] 0*1024kB [ 411.366662] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.368621] 0*2048kB [ 411.372423] ? zap_class+0x640/0x640 [ 411.374726] 0*4096kB [ 411.378870] ? print_usage_bug+0xc0/0xc0 [ 411.381259] = 14012kB [ 411.386279] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.388686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 411.392396] ? find_held_lock+0x36/0x1c0 [ 411.394787] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 411.398851] ? zap_class+0x640/0x640 [ 411.401246] 163 total pagecache pages [ 411.406436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.415276] 0 pages in swap cache [ 411.419345] ? check_preemption_disabled+0x48/0x280 [ 411.419370] ? __lock_is_held+0xb5/0x140 [ 411.427925] Swap cache stats: add 0, delete 0, find 0/0 [ 411.431640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.435417] Free swap = 0kB [ 411.440953] ? check_preemption_disabled+0x48/0x280 [ 411.444382] Total swap = 0kB [ 411.449399] run_timer_softirq+0x52/0xb0 [ 411.453437] 1965979 pages RAM [ 411.458801] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.464498] 0 pages HighMem/MovableOnly [ 411.464508] 342867 pages reserved [ 411.467529] __do_softirq+0x308/0xb7e [ 411.472522] 0 pages cma reserved [ 411.472609] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 411.475562] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 411.479703] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.482702] ? lock_downgrade+0x900/0x900 [ 411.487698] ksoftirqd/0 cpuset= [ 411.491675] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.495108] / [ 411.498914] ? pvclock_read_flags+0x160/0x160 [ 411.502260] mems_allowed=0 [ 411.508758] ? lapic_next_event+0x5a/0x90 [ 411.549277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.554849] ? kvm_clock_read+0x18/0x30 [ 411.558862] ? kvm_sched_clock_read+0x9/0x20 [ 411.563277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.568838] ? check_preemption_disabled+0x48/0x280 [ 411.573872] irq_exit+0x17f/0x1c0 [ 411.577333] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.582179] ? smp_reschedule_interrupt+0x109/0x650 [ 411.587197] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.593089] ? interrupt_entry+0xb5/0xc0 [ 411.597172] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.602191] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.607212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.612079] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.617105] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.622148] ? task_prio+0x50/0x50 [ 411.625699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.631243] ? check_preemption_disabled+0x48/0x280 [ 411.636281] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.641177] apic_timer_interrupt+0xf/0x20 [ 411.645421] [ 411.647662] RIP: 0010:dump_stack+0x358/0x39d [ 411.652074] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 411.670985] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 411.678713] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 411.685983] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 411.693253] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 411.700532] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 411.707823] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 411.715122] ? dump_stack+0x34f/0x39d [ 411.718938] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.724160] dump_header+0x27b/0xf72 [ 411.727891] ? mark_held_locks+0x130/0x130 [ 411.732133] ? pagefault_out_of_memory+0x197/0x197 [ 411.737094] ? __lock_acquire+0x62f/0x4c20 [ 411.741337] ? zap_class+0x640/0x640 [ 411.745061] ? percpu_ref_get_many+0x240/0x240 [ 411.749647] ? print_usage_bug+0xc0/0xc0 [ 411.753713] ? print_usage_bug+0xc0/0xc0 [ 411.757782] ? zap_class+0x640/0x640 [ 411.761529] ? print_usage_bug+0xc0/0xc0 [ 411.765593] ? print_usage_bug+0xc0/0xc0 [ 411.769670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.775213] ? find_held_lock+0x36/0x1c0 [ 411.779301] ? mark_held_locks+0xc7/0x130 [ 411.783479] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.788588] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.793699] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 411.798313] ? trace_hardirqs_on+0xbd/0x310 [ 411.802648] ? kasan_check_read+0x11/0x20 [ 411.806800] ? ___ratelimit+0x3b4/0x672 [ 411.810783] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.815889] ? trace_hardirqs_on+0x310/0x310 [ 411.820319] ? lock_downgrade+0x900/0x900 [ 411.824495] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.829610] ? ___ratelimit+0x3b9/0x672 [ 411.833608] ? idr_get_free+0xec0/0xec0 [ 411.837584] ? find_held_lock+0x36/0x1c0 [ 411.841673] oom_kill_process.cold.27+0x10/0x903 [ 411.846439] ? zap_class+0x640/0x640 [ 411.850167] ? check_preemption_disabled+0x48/0x280 [ 411.855197] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.860139] ? kasan_check_read+0x11/0x20 [ 411.864310] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.869594] ? oom_evaluate_task+0x540/0x540 [ 411.874008] ? find_held_lock+0x36/0x1c0 [ 411.878080] ? out_of_memory+0x974/0x1430 [ 411.882236] ? lock_downgrade+0x900/0x900 [ 411.886388] ? check_preemption_disabled+0x48/0x280 [ 411.891433] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.896366] ? kasan_check_read+0x11/0x20 [ 411.900526] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.905808] ? rcu_softirq_qs+0x20/0x20 [ 411.909803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.915371] ? oom_evaluate_task+0x302/0x540 [ 411.919791] out_of_memory+0xa84/0x1430 [ 411.923786] ? oom_killer_disable+0x3a0/0x3a0 [ 411.928293] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 411.933228] ? __mutex_add_waiter+0x2a0/0x2a0 [ 411.937746] __alloc_pages_slowpath+0x22d4/0x2d70 [ 411.942625] ? warn_alloc+0x120/0x120 [ 411.946430] ? rcu_softirq_qs+0x20/0x20 [ 411.950436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.955981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.961520] ? should_fail+0x22d/0xd01 [ 411.965426] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.970531] ? zap_class+0x640/0x640 [ 411.974274] ? __lock_is_held+0xb5/0x140 [ 411.978359] ? mark_held_locks+0x130/0x130 [ 411.982600] ? lock_release+0xa00/0xa00 [ 411.986578] ? perf_trace_sched_process_exec+0x860/0x860 [ 411.992046] ? __might_sleep+0x95/0x190 [ 411.996034] __alloc_pages_nodemask+0xa80/0xde0 [ 412.000721] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 412.005741] ? __page_cache_alloc+0x191/0x5c0 [ 412.010238] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.015176] ? kasan_check_read+0x11/0x20 [ 412.019331] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.024615] ? zap_class+0x640/0x640 [ 412.028339] ? zap_class+0x640/0x640 [ 412.032056] ? zap_class+0x640/0x640 [ 412.035775] ? __do_page_cache_readahead+0x7ce/0x980 [ 412.040886] ? find_held_lock+0x36/0x1c0 [ 412.044962] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 412.050523] alloc_pages_current+0x173/0x350 [ 412.054971] __page_cache_alloc+0x38c/0x5c0 [ 412.059302] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.064236] ? kasan_check_read+0x11/0x20 [ 412.068390] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.073681] ? generic_perform_write+0x6a0/0x6a0 [ 412.078443] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.083983] ? check_preemption_disabled+0x48/0x280 [ 412.089010] filemap_fault+0x1594/0x25f0 [ 412.093113] ? __lock_page_or_retry+0xa00/0xa00 [ 412.097810] ? mark_held_locks+0x130/0x130 [ 412.102052] ? rcu_softirq_qs+0x20/0x20 [ 412.106042] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 412.111174] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 412.115781] ? trace_hardirqs_on+0xbd/0x310 [ 412.120115] ? filemap_map_pages+0xe04/0x1990 [ 412.124652] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.129761] ? __free_object+0x173/0x340 [ 412.133838] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 412.138785] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.143909] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 412.148598] ? debug_object_free+0x32d/0x690 [ 412.153020] ? kasan_check_read+0x11/0x20 [ 412.157176] ? debug_object_destroy+0x2b0/0x2b0 [ 412.161854] ? lock_pi_update_atomic+0x150/0x150 [ 412.166611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.172162] ? __hrtimer_init+0xdb/0x240 [ 412.176241] ? lock_acquire+0x1ed/0x520 [ 412.180215] ? ext4_filemap_fault+0x7a/0xad [ 412.184547] ? lock_release+0xa00/0xa00 [ 412.188522] ? perf_trace_sched_process_exec+0x860/0x860 [ 412.193982] ? print_usage_bug+0xc0/0xc0 [ 412.198047] ? print_usage_bug+0xc0/0xc0 [ 412.202121] ? down_read+0x8d/0x120 [ 412.205753] ? ext4_filemap_fault+0x7a/0xad [ 412.210077] ? __down_interruptible+0x700/0x700 [ 412.214804] ext4_filemap_fault+0x82/0xad [ 412.218965] __do_fault+0x100/0x6b0 [ 412.222601] ? pmd_devmap_trans_unstable+0x220/0x220 [ 412.227710] ? mark_held_locks+0x130/0x130 [ 412.231948] ? mark_held_locks+0x130/0x130 [ 412.236189] ? debug_smp_processor_id+0x1c/0x20 [ 412.240867] ? perf_trace_lock+0x14d/0x7a0 [ 412.245111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.250679] __handle_mm_fault+0x307c/0x5920 [ 412.255122] ? perf_trace_lock+0x7a0/0x7a0 [ 412.259374] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 412.264225] ? lock_is_held_type+0x210/0x210 [ 412.268644] ? ksys_dup3+0x680/0x680 [ 412.272424] ? zap_class+0x640/0x640 [ 412.276137] ? zap_class+0x640/0x640 [ 412.279855] ? __x64_sys_futex+0x53e/0x6a0 [ 412.284123] ? find_held_lock+0x36/0x1c0 [ 412.288204] ? handle_mm_fault+0x42a/0xc70 [ 412.292445] ? lock_downgrade+0x900/0x900 [ 412.296596] ? check_preemption_disabled+0x48/0x280 [ 412.301624] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.306563] ? kasan_check_read+0x11/0x20 [ 412.310731] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.316010] ? rcu_softirq_qs+0x20/0x20 [ 412.319984] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.325097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.330645] ? check_preemption_disabled+0x48/0x280 [ 412.335676] handle_mm_fault+0x54f/0xc70 [ 412.339743] ? __handle_mm_fault+0x5920/0x5920 [ 412.344333] ? find_vma+0x34/0x190 [ 412.347887] __do_page_fault+0x5e8/0xe60 [ 412.351963] ? trace_hardirqs_off+0xb8/0x310 [ 412.356553] ? kernel_write+0x120/0x120 [ 412.360546] do_page_fault+0xf2/0x7e0 [ 412.364352] ? vmalloc_sync_all+0x30/0x30 [ 412.368505] ? error_entry+0x70/0xd0 [ 412.372243] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.377299] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.382237] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.387185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.392031] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.397054] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.402533] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.407562] ? page_fault+0x8/0x30 [ 412.411107] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.415974] ? page_fault+0x8/0x30 [ 412.419520] page_fault+0x1e/0x30 [ 412.422983] RIP: 0033:0x45ddf3 [ 412.426205] Code: Bad RIP value. [ 412.429572] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 412.434939] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 412.442208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 412.449492] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 412.456763] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 412.464033] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 412.471343] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 412.471407] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.477858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.477863] Call Trace: [ 412.477889] dump_stack+0x244/0x39d [ 412.477907] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.477945] warn_alloc.cold.117+0xb7/0x1bd [ 412.484568] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.493776] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.496367] syz-fuzzer cpuset= [ 412.500007] ? lock_downgrade+0x900/0x900 [ 412.505175] / [ 412.509500] ? trace_hardirqs_off+0xb8/0x310 [ 412.519718] mems_allowed=0 [ 412.540928] ? trace_hardirqs_off+0xb8/0x310 [ 412.545368] __alloc_pages_slowpath+0x2660/0x2d70 [ 412.550249] ? warn_alloc+0x120/0x120 [ 412.554067] ? warn_alloc+0x120/0x120 [ 412.557875] ? print_usage_bug+0xc0/0xc0 [ 412.561937] ? warn_alloc+0x120/0x120 [ 412.565741] ? print_usage_bug+0xc0/0xc0 [ 412.569819] ? __lock_acquire+0x62f/0x4c20 [ 412.574063] ? __lock_acquire+0x62f/0x4c20 [ 412.578313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.583876] ? should_fail+0x22d/0xd01 [ 412.587766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.592883] ? __lock_acquire+0x62f/0x4c20 [ 412.597129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.602235] ? __lock_acquire+0x62f/0x4c20 [ 412.606467] ? should_fail+0x22d/0xd01 [ 412.610369] ? mark_held_locks+0x130/0x130 [ 412.614614] ? mark_held_locks+0x130/0x130 [ 412.618864] ? zap_class+0x640/0x640 [ 412.622594] ? zap_class+0x640/0x640 [ 412.626317] ? print_usage_bug+0xc0/0xc0 [ 412.630388] ? mark_held_locks+0x130/0x130 [ 412.634628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.640172] ? check_preemption_disabled+0x48/0x280 [ 412.645214] ? __lock_is_held+0xb5/0x140 [ 412.649294] __alloc_pages_nodemask+0xa80/0xde0 [ 412.653972] ? zap_class+0x640/0x640 [ 412.657717] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 412.662753] ? find_held_lock+0x36/0x1c0 [ 412.666855] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.671532] ? lock_downgrade+0x900/0x900 [ 412.675693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.681237] cache_grow_begin+0xa5/0x8c0 [ 412.685309] ? do_raw_spin_unlock+0xa7/0x330 [ 412.689757] fallback_alloc+0x204/0x2e0 [ 412.693765] ____cache_alloc_node+0x1c7/0x1e0 [ 412.698290] kmem_cache_alloc_node+0xe3/0x730 [ 412.702883] ? ipv6_get_ifaddr+0x42e/0x620 [ 412.707134] __alloc_skb+0x119/0x770 [ 412.710854] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.716159] ? netdev_alloc_frag+0x1f0/0x1f0 [ 412.720574] ? lock_downgrade+0x900/0x900 [ 412.724731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.730270] ? refcount_sub_and_test_checked+0x203/0x310 [ 412.735755] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 412.741232] ? addrconf_rs_timer+0x690/0x690 [ 412.745682] ndisc_alloc_skb+0x144/0x340 [ 412.749758] ndisc_send_rs+0x331/0x6e0 [ 412.753679] addrconf_rs_timer+0x314/0x690 [ 412.757924] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.762190] call_timer_fn+0x272/0x920 [ 412.766098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.770350] ? process_timeout+0x40/0x40 [ 412.774426] ? __run_timers+0x7da/0xc70 [ 412.778411] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.782908] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.787415] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.791665] ? lockdep_hardirqs_on+0x296/0x5b0 [ 412.796260] ? trace_hardirqs_on+0xbd/0x310 [ 412.800593] ? kasan_check_read+0x11/0x20 [ 412.804755] ? __run_timers+0x7da/0xc70 [ 412.808767] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.813920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.818180] __run_timers+0x7e5/0xc70 [ 412.822001] ? timer_fixup_init+0x70/0x70 [ 412.826150] ? compat_start_thread+0x80/0x80 [ 412.830581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.836139] ? _raw_spin_unlock_irq+0x60/0x80 [ 412.840657] ? finish_task_switch+0x1f4/0x910 [ 412.845159] ? finish_task_switch+0x1b4/0x910 [ 412.849662] ? __switch_to_asm+0x34/0x70 [ 412.853730] ? preempt_notifier_register+0x200/0x200 [ 412.858855] ? __switch_to_asm+0x34/0x70 [ 412.862941] ? __switch_to_asm+0x40/0x70 [ 412.867022] ? __switch_to_asm+0x34/0x70 [ 412.871085] ? __switch_to_asm+0x40/0x70 [ 412.875150] ? __switch_to_asm+0x34/0x70 [ 412.879212] ? __switch_to_asm+0x40/0x70 [ 412.883309] ? __switch_to_asm+0x40/0x70 [ 412.887408] ? pvclock_read_flags+0x160/0x160 [ 412.891945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.897491] ? check_preemption_disabled+0x48/0x280 [ 412.902528] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 412.908072] ? rcu_pm_notify+0xc0/0xc0 [ 412.911991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.917566] ? check_preemption_disabled+0x48/0x280 [ 412.922599] run_timer_softirq+0x52/0xb0 [ 412.926754] ? rcu_read_lock_sched_held+0x14f/0x180 [ 412.931779] __do_softirq+0x308/0xb7e [ 412.935593] ? retint_kernel+0x2d/0x2d [ 412.939499] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 412.944609] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.950067] ? schedule+0x108/0x460 [ 412.953697] ? __schedule+0x21d0/0x21d0 [ 412.957692] ? trace_hardirqs_off+0xb8/0x310 [ 412.962117] ? smpboot_thread_fn+0x68b/0xa00 [ 412.966539] ? trace_hardirqs_on+0x310/0x310 [ 412.970959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.976498] ? check_preemption_disabled+0x48/0x280 [ 412.981541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.987137] ? takeover_tasklets+0xa90/0xa90 [ 412.991556] run_ksoftirqd+0x5e/0x100 [ 412.995376] smpboot_thread_fn+0x68b/0xa00 [ 412.999617] ? sort_range+0x30/0x30 [ 413.003248] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 413.008371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.013920] ? __kthread_parkme+0xfb/0x1a0 [ 413.018170] kthread+0x35a/0x420 [ 413.021541] ? sort_range+0x30/0x30 [ 413.025168] ? kthread_stop+0x900/0x900 [ 413.029166] ret_from_fork+0x3a/0x50 [ 413.032917] warn_alloc_show_mem: 1 callbacks suppressed [ 413.032930] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 413.032932] Mem-Info: [ 413.032963] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 413.032963] active_file:13 inactive_file:12 isolated_file:0 [ 413.032963] unevictable:0 dirty:0 writeback:0 unstable:0 [ 413.032963] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 413.032963] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 413.032963] free:13679 free_pcp:387 free_cma:0 [ 413.038329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.045034] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 413.047435] Call Trace: [ 413.080342] Node 0 [ 413.089715] [ 413.117241] 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 [ 413.119810] dump_stack+0x244/0x39d [ 413.122041] lowmem_reserve[]: [ 413.124194] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.149732] 0 2818 [ 413.153410] warn_alloc.cold.117+0xb7/0x1bd [ 413.156504] 6321 [ 413.161706] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.163917] 6321 [ 413.168233] ? lock_downgrade+0x900/0x900 [ 413.175154] ? trace_hardirqs_off+0xb8/0x310 [ 413.177195] Node 0 [ 413.181353] ? trace_hardirqs_off+0xb8/0x310 [ 413.185763] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 413.187980] __alloc_pages_slowpath+0x2660/0x2d70 [ 413.192361] lowmem_reserve[]: [ 413.219386] ? warn_alloc+0x120/0x120 [ 413.224210] 0 0 [ 413.227351] ? warn_alloc+0x120/0x120 [ 413.231148] 3503 [ 413.233129] ? print_usage_bug+0xc0/0xc0 [ 413.236909] 3503 [ 413.238965] ? warn_alloc+0x120/0x120 [ 413.243018] Node 0 [ 413.245089] ? print_usage_bug+0xc0/0xc0 [ 413.248907] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 413.251132] ? __lock_acquire+0x62f/0x4c20 [ 413.255165] lowmem_reserve[]: 0 [ 413.283564] ? __lock_acquire+0x62f/0x4c20 [ 413.287777] 0 [ 413.291077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.295316] 0 [ 413.297124] ? should_fail+0x22d/0xd01 [ 413.302642] 0 [ 413.304449] ? __lock_acquire+0x62f/0x4c20 [ 413.308320] Node 0 [ 413.310123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.314358] DMA: 1*4kB [ 413.316608] ? __lock_acquire+0x62f/0x4c20 [ 413.321696] (U) [ 413.324307] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.328517] 0*8kB [ 413.330496] ? __lock_acquire+0x62f/0x4c20 [ 413.335579] 0*16kB [ 413.337725] ? should_fail+0x22d/0xd01 [ 413.341943] 1*32kB [ 413.344196] ? mark_held_locks+0x130/0x130 [ 413.348061] (U) 2*64kB [ 413.350332] ? mark_held_locks+0x130/0x130 [ 413.354554] (U) 1*128kB [ 413.357179] ? zap_class+0x640/0x640 [ 413.361390] (U) 1*256kB [ 413.364072] ? zap_class+0x640/0x640 [ 413.367760] (U) [ 413.370440] ? print_usage_bug+0xc0/0xc0 [ 413.374134] 0*512kB [ 413.376108] ? wq_watchdog_touch+0x9c/0xfe [ 413.380144] 1*1024kB [ 413.382465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.386678] (U) [ 413.389087] ? check_preemption_disabled+0x48/0x280 [ 413.394603] 1*2048kB (M) [ 413.396609] ? __lock_is_held+0xb5/0x140 [ 413.401594] 3*4096kB (M) [ 413.404369] __alloc_pages_nodemask+0xa80/0xde0 [ 413.408403] = 15908kB [ 413.411156] ? zap_class+0x640/0x640 [ 413.415801] Node 0 [ 413.418219] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 413.421914] DMA32: [ 413.424162] ? find_held_lock+0x36/0x1c0 [ 413.429145] 5*4kB [ 413.431389] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.435420] (M) [ 413.437568] ? lock_downgrade+0x900/0x900 [ 413.442229] 1*8kB (U) [ 413.444238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.448378] 4*16kB (M) [ 413.450889] cache_grow_begin+0xa5/0x8c0 [ 413.456395] 2*32kB (M) [ 413.458983] ? do_raw_spin_unlock+0xa7/0x330 [ 413.463046] 4*64kB [ 413.466168] fallback_alloc+0x204/0x2e0 [ 413.470571] (UM) [ 413.472817] ____cache_alloc_node+0x1c7/0x1e0 [ 413.476763] 3*128kB [ 413.478831] kmem_cache_alloc_node+0xe3/0x730 [ 413.483313] (M) [ 413.485637] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.490134] 4*256kB [ 413.492151] __alloc_skb+0x119/0x770 [ 413.496382] (UM) [ 413.498718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.502404] 3*512kB [ 413.504463] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.509717] (M) [ 413.512053] ? lock_downgrade+0x900/0x900 [ 413.516438] 3*1024kB (UM) [ 413.518440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.522572] 3*2048kB (UM) [ 413.525429] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.530938] 3*4096kB (M) [ 413.533795] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.539222] = 24860kB [ 413.539230] Node 0 [ 413.542002] ? addrconf_rs_timer+0x690/0x690 [ 413.547431] Normal: [ 413.549854] ndisc_alloc_skb+0x144/0x340 [ 413.552063] 767*4kB [ 413.556471] ndisc_send_rs+0x331/0x6e0 [ 413.558783] (UME) [ 413.562886] addrconf_rs_timer+0x314/0x690 [ 413.565212] 454*8kB [ 413.569117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.571236] (ME) 185*16kB [ 413.575490] call_timer_fn+0x272/0x920 [ 413.577784] (UME) [ 413.582036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.584861] 80*32kB [ 413.588769] ? process_timeout+0x40/0x40 [ 413.590897] (UME) [ 413.595135] ? mark_held_locks+0xc7/0x130 [ 413.597435] 22*64kB [ 413.601498] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.603628] (M) [ 413.607777] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.610078] 1*128kB (U) [ 413.614591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.616547] 1*256kB [ 413.621059] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.623708] (U) [ 413.627948] ? trace_hardirqs_on+0xbd/0x310 [ 413.630253] 0*512kB [ 413.634846] ? kasan_check_read+0x11/0x20 [ 413.636814] 0*1024kB [ 413.641142] ? __run_timers+0x7da/0xc70 [ 413.643463] 0*2048kB 0*4096kB [ 413.647623] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.650011] = 14012kB [ 413.654004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.657201] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 413.662314] __run_timers+0x7e5/0xc70 [ 413.664708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 413.668943] ? timer_fixup_init+0x70/0x70 [ 413.677754] 163 total pagecache pages [ 413.681563] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.690123] 0 pages in swap cache [ 413.694304] ? zap_class+0x640/0x640 [ 413.698079] Swap cache stats: add 0, delete 0, find 0/0 [ 413.698089] Free swap = 0kB [ 413.703102] ? print_usage_bug+0xc0/0xc0 [ 413.706535] Total swap = 0kB [ 413.706545] 1965979 pages RAM [ 413.710266] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.715610] 0 pages HighMem/MovableOnly [ 413.718634] ? find_held_lock+0x36/0x1c0 [ 413.722670] 342867 pages reserved [ 413.725688] ? zap_class+0x640/0x640 [ 413.728774] 0 pages cma reserved [ 413.728862] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.733985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.738068] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.742017] ? check_preemption_disabled+0x48/0x280 [ 413.745452] ksoftirqd/0 cpuset= [ 413.749170] ? __lock_is_held+0xb5/0x140 [ 413.752516] / [ 413.759022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.764540] mems_allowed=0 [ 413.774854] ? check_preemption_disabled+0x48/0x280 [ 413.802400] run_timer_softirq+0x52/0xb0 [ 413.806484] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.811517] __do_softirq+0x308/0xb7e [ 413.815323] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 413.819840] ? lock_downgrade+0x900/0x900 [ 413.824005] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.829133] ? pvclock_read_flags+0x160/0x160 [ 413.833648] ? lapic_next_event+0x5a/0x90 [ 413.837800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.843393] ? kvm_clock_read+0x18/0x30 [ 413.847371] ? kvm_sched_clock_read+0x9/0x20 [ 413.851800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.857354] ? check_preemption_disabled+0x48/0x280 [ 413.862396] irq_exit+0x17f/0x1c0 [ 413.865861] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.870706] ? smp_reschedule_interrupt+0x109/0x650 [ 413.875735] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.881624] ? interrupt_entry+0xb5/0xc0 [ 413.885705] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.890747] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.895778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.900654] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.905696] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.910716] ? task_prio+0x50/0x50 [ 413.914263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.919828] ? check_preemption_disabled+0x48/0x280 [ 413.924859] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.929718] apic_timer_interrupt+0xf/0x20 [ 413.934036] [ 413.936279] RIP: 0010:dump_stack+0x358/0x39d [ 413.940705] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 413.959656] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 413.967388] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 413.974673] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 413.981942] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 413.989222] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 413.996497] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 414.003789] ? dump_stack+0x34f/0x39d [ 414.007606] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.012850] dump_header+0x27b/0xf72 [ 414.016585] ? mark_held_locks+0x130/0x130 [ 414.020847] ? pagefault_out_of_memory+0x197/0x197 [ 414.025799] ? __lock_acquire+0x62f/0x4c20 [ 414.030032] ? zap_class+0x640/0x640 [ 414.033765] ? percpu_ref_get_many+0x240/0x240 [ 414.038355] ? print_usage_bug+0xc0/0xc0 [ 414.042423] ? print_usage_bug+0xc0/0xc0 [ 414.046503] ? zap_class+0x640/0x640 [ 414.050234] ? print_usage_bug+0xc0/0xc0 [ 414.054304] ? print_usage_bug+0xc0/0xc0 [ 414.058390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.063942] ? find_held_lock+0x36/0x1c0 [ 414.068035] ? mark_held_locks+0xc7/0x130 [ 414.072191] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.077305] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.082439] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 414.087071] ? trace_hardirqs_on+0xbd/0x310 [ 414.091396] ? kasan_check_read+0x11/0x20 [ 414.095545] ? ___ratelimit+0x3b4/0x672 [ 414.099521] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.104635] ? trace_hardirqs_on+0x310/0x310 [ 414.109057] ? lock_downgrade+0x900/0x900 [ 414.113220] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.118328] ? ___ratelimit+0x3b9/0x672 [ 414.122337] ? idr_get_free+0xec0/0xec0 [ 414.126322] ? find_held_lock+0x36/0x1c0 [ 414.130413] oom_kill_process.cold.27+0x10/0x903 [ 414.135176] ? zap_class+0x640/0x640 [ 414.138905] ? check_preemption_disabled+0x48/0x280 [ 414.143942] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.148882] ? kasan_check_read+0x11/0x20 [ 414.153050] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.158390] ? oom_evaluate_task+0x540/0x540 [ 414.162806] ? find_held_lock+0x36/0x1c0 [ 414.166882] ? out_of_memory+0x974/0x1430 [ 414.171033] ? lock_downgrade+0x900/0x900 [ 414.175190] ? check_preemption_disabled+0x48/0x280 [ 414.180240] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.185188] ? kasan_check_read+0x11/0x20 [ 414.189366] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.194663] ? rcu_softirq_qs+0x20/0x20 [ 414.198701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.204244] ? oom_evaluate_task+0x302/0x540 [ 414.208657] out_of_memory+0xa84/0x1430 [ 414.212644] ? oom_killer_disable+0x3a0/0x3a0 [ 414.217144] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 414.222090] ? __mutex_add_waiter+0x2a0/0x2a0 [ 414.226604] __alloc_pages_slowpath+0x22d4/0x2d70 [ 414.231489] ? warn_alloc+0x120/0x120 [ 414.235318] ? rcu_softirq_qs+0x20/0x20 [ 414.239350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.244917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.250464] ? should_fail+0x22d/0xd01 [ 414.254366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.259473] ? zap_class+0x640/0x640 [ 414.263226] ? __lock_is_held+0xb5/0x140 [ 414.267318] ? mark_held_locks+0x130/0x130 [ 414.271584] ? lock_release+0xa00/0xa00 [ 414.275581] ? perf_trace_sched_process_exec+0x860/0x860 [ 414.281046] ? __might_sleep+0x95/0x190 [ 414.285028] __alloc_pages_nodemask+0xa80/0xde0 [ 414.289723] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 414.294759] ? __page_cache_alloc+0x191/0x5c0 [ 414.299275] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.304250] ? kasan_check_read+0x11/0x20 [ 414.308415] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.313708] ? zap_class+0x640/0x640 [ 414.317445] ? zap_class+0x640/0x640 [ 414.321173] ? zap_class+0x640/0x640 [ 414.324892] ? __do_page_cache_readahead+0x7ce/0x980 [ 414.330016] ? find_held_lock+0x36/0x1c0 [ 414.334088] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 414.339653] alloc_pages_current+0x173/0x350 [ 414.344075] __page_cache_alloc+0x38c/0x5c0 [ 414.348415] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.353355] ? kasan_check_read+0x11/0x20 [ 414.357711] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.363015] ? generic_perform_write+0x6a0/0x6a0 [ 414.367809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.373357] ? check_preemption_disabled+0x48/0x280 [ 414.378394] filemap_fault+0x1594/0x25f0 [ 414.382504] ? __lock_page_or_retry+0xa00/0xa00 [ 414.387184] ? mark_held_locks+0x130/0x130 [ 414.391451] ? rcu_softirq_qs+0x20/0x20 [ 414.395430] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.400540] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 414.405143] ? trace_hardirqs_on+0xbd/0x310 [ 414.409505] ? filemap_map_pages+0xe04/0x1990 [ 414.414016] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.419120] ? __free_object+0x173/0x340 [ 414.423194] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 414.428150] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.433320] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 414.438024] ? debug_object_free+0x32d/0x690 [ 414.442434] ? kasan_check_read+0x11/0x20 [ 414.446587] ? debug_object_destroy+0x2b0/0x2b0 [ 414.451264] ? lock_pi_update_atomic+0x150/0x150 [ 414.456028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.461582] ? __hrtimer_init+0xdb/0x240 [ 414.465700] ? lock_acquire+0x1ed/0x520 [ 414.469700] ? ext4_filemap_fault+0x7a/0xad [ 414.474031] ? lock_release+0xa00/0xa00 [ 414.478032] ? perf_trace_sched_process_exec+0x860/0x860 [ 414.483534] ? print_usage_bug+0xc0/0xc0 [ 414.487601] ? print_usage_bug+0xc0/0xc0 [ 414.491679] ? down_read+0x8d/0x120 [ 414.495312] ? ext4_filemap_fault+0x7a/0xad [ 414.499640] ? __down_interruptible+0x700/0x700 [ 414.504329] ext4_filemap_fault+0x82/0xad [ 414.508485] __do_fault+0x100/0x6b0 [ 414.512117] ? pmd_devmap_trans_unstable+0x220/0x220 [ 414.517251] ? mark_held_locks+0x130/0x130 [ 414.521500] ? mark_held_locks+0x130/0x130 [ 414.525737] ? debug_smp_processor_id+0x1c/0x20 [ 414.530421] ? perf_trace_lock+0x14d/0x7a0 [ 414.534662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.540207] __handle_mm_fault+0x307c/0x5920 [ 414.544628] ? perf_trace_lock+0x7a0/0x7a0 [ 414.548884] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 414.553731] ? lock_is_held_type+0x210/0x210 [ 414.558147] ? ksys_dup3+0x680/0x680 [ 414.561891] ? zap_class+0x640/0x640 [ 414.565610] ? zap_class+0x640/0x640 [ 414.569326] ? __x64_sys_futex+0x53e/0x6a0 [ 414.573566] ? find_held_lock+0x36/0x1c0 [ 414.577641] ? handle_mm_fault+0x42a/0xc70 [ 414.581877] ? lock_downgrade+0x900/0x900 [ 414.586025] ? check_preemption_disabled+0x48/0x280 [ 414.591075] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.596017] ? kasan_check_read+0x11/0x20 [ 414.600169] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.605451] ? rcu_softirq_qs+0x20/0x20 [ 414.609427] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.614533] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.620084] ? check_preemption_disabled+0x48/0x280 [ 414.625114] handle_mm_fault+0x54f/0xc70 [ 414.629196] ? __handle_mm_fault+0x5920/0x5920 [ 414.633784] ? find_vma+0x34/0x190 [ 414.637331] __do_page_fault+0x5e8/0xe60 [ 414.641397] ? trace_hardirqs_off+0xb8/0x310 [ 414.645806] ? kernel_write+0x120/0x120 [ 414.649793] do_page_fault+0xf2/0x7e0 [ 414.653601] ? vmalloc_sync_all+0x30/0x30 [ 414.657756] ? error_entry+0x70/0xd0 [ 414.661497] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.666511] ? trace_hardirqs_on_caller+0xc0/0x310 [ 414.671442] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.676373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.681217] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.686251] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.691719] ? prepare_exit_to_usermode+0x291/0x3b0 [ 414.696760] ? page_fault+0x8/0x30 [ 414.700310] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.705161] ? page_fault+0x8/0x30 [ 414.708724] page_fault+0x1e/0x30 [ 414.712183] RIP: 0033:0x45ddf3 [ 414.715393] Code: Bad RIP value. [ 414.718756] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 414.724129] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 414.731399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 414.738670] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 414.745940] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 414.753226] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 414.760519] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 414.760584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 414.767016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.767025] Call Trace: [ 414.773598] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.782881] dump_stack+0x244/0x39d [ 414.785446] syz-fuzzer cpuset= [ 414.795689] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.799320] / [ 414.802539] warn_alloc.cold.117+0xb7/0x1bd [ 414.807703] mems_allowed=0 [ 414.809426] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.821503] ? lock_downgrade+0x900/0x900 [ 414.825659] ? trace_hardirqs_off+0xb8/0x310 [ 414.830072] ? trace_hardirqs_off+0xb8/0x310 [ 414.834526] __alloc_pages_slowpath+0x2660/0x2d70 [ 414.839404] ? warn_alloc+0x120/0x120 [ 414.843214] ? warn_alloc+0x120/0x120 [ 414.847030] ? print_usage_bug+0xc0/0xc0 [ 414.851112] ? warn_alloc+0x120/0x120 [ 414.854914] ? print_usage_bug+0xc0/0xc0 [ 414.858985] ? __lock_acquire+0x62f/0x4c20 [ 414.863222] ? __lock_acquire+0x62f/0x4c20 [ 414.867484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.873033] ? should_fail+0x22d/0xd01 [ 414.876925] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.882044] ? __lock_acquire+0x62f/0x4c20 [ 414.886316] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.891433] ? __lock_acquire+0x62f/0x4c20 [ 414.895665] ? should_fail+0x22d/0xd01 [ 414.899554] ? find_held_lock+0x36/0x1c0 [ 414.903625] ? mark_held_locks+0x130/0x130 [ 414.907883] ? mark_held_locks+0x130/0x130 [ 414.912120] ? zap_class+0x640/0x640 [ 414.915838] ? mark_held_locks+0xc7/0x130 [ 414.919990] ? do_raw_spin_unlock+0xa7/0x330 [ 414.924403] ? zap_class+0x640/0x640 [ 414.928117] ? print_usage_bug+0xc0/0xc0 [ 414.932199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.937739] ? check_preemption_disabled+0x48/0x280 [ 414.942768] ? __lock_is_held+0xb5/0x140 [ 414.946839] __alloc_pages_nodemask+0xa80/0xde0 [ 414.951512] ? zap_class+0x640/0x640 [ 414.955239] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 414.960269] ? find_held_lock+0x36/0x1c0 [ 414.964377] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.969048] ? lock_downgrade+0x900/0x900 [ 414.973218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.978761] cache_grow_begin+0xa5/0x8c0 [ 414.982826] ? do_raw_spin_unlock+0xa7/0x330 [ 414.987249] fallback_alloc+0x204/0x2e0 [ 414.991229] ____cache_alloc_node+0x1c7/0x1e0 [ 414.995730] kmem_cache_alloc_node+0xe3/0x730 [ 415.000229] ? ipv6_get_ifaddr+0x42e/0x620 [ 415.004477] __alloc_skb+0x119/0x770 [ 415.008195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.013475] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.017899] ? lock_downgrade+0x900/0x900 [ 415.022058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.027603] ? refcount_sub_and_test_checked+0x203/0x310 [ 415.033060] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 415.038514] ? addrconf_rs_timer+0x690/0x690 [ 415.042965] ndisc_alloc_skb+0x144/0x340 [ 415.047031] ndisc_send_rs+0x331/0x6e0 [ 415.050924] addrconf_rs_timer+0x314/0x690 [ 415.055164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.059416] call_timer_fn+0x272/0x920 [ 415.063333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.067576] ? process_timeout+0x40/0x40 [ 415.071647] ? __run_timers+0x7da/0xc70 [ 415.075627] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.080124] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.084624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.088863] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.093447] ? trace_hardirqs_on+0xbd/0x310 [ 415.097772] ? kasan_check_read+0x11/0x20 [ 415.101923] ? __run_timers+0x7da/0xc70 [ 415.105902] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.111019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.115273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.119520] __run_timers+0x7e5/0xc70 [ 415.123346] ? timer_fixup_init+0x70/0x70 [ 415.127497] ? compat_start_thread+0x80/0x80 [ 415.131922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.137491] ? _raw_spin_unlock_irq+0x60/0x80 [ 415.141994] ? finish_task_switch+0x1f4/0x910 [ 415.146489] ? finish_task_switch+0x1b4/0x910 [ 415.150984] ? __switch_to_asm+0x34/0x70 [ 415.155074] ? preempt_notifier_register+0x200/0x200 [ 415.160179] ? __switch_to_asm+0x34/0x70 [ 415.164252] ? __switch_to_asm+0x40/0x70 [ 415.168322] ? __switch_to_asm+0x34/0x70 [ 415.172394] ? __switch_to_asm+0x40/0x70 [ 415.176455] ? __switch_to_asm+0x34/0x70 [ 415.180518] ? __switch_to_asm+0x40/0x70 [ 415.184584] ? __switch_to_asm+0x40/0x70 [ 415.188668] ? pvclock_read_flags+0x160/0x160 [ 415.193170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.198725] ? check_preemption_disabled+0x48/0x280 [ 415.203771] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 415.209331] ? rcu_pm_notify+0xc0/0xc0 [ 415.213222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.218760] ? check_preemption_disabled+0x48/0x280 [ 415.223786] run_timer_softirq+0x52/0xb0 [ 415.227850] ? rcu_read_lock_sched_held+0x14f/0x180 [ 415.232880] __do_softirq+0x308/0xb7e [ 415.236696] ? retint_kernel+0x2d/0x2d [ 415.240587] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 415.245688] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.251145] ? schedule+0x108/0x460 [ 415.254786] ? __schedule+0x21d0/0x21d0 [ 415.258765] ? trace_hardirqs_off+0xb8/0x310 [ 415.263176] ? smpboot_thread_fn+0x68b/0xa00 [ 415.267586] ? trace_hardirqs_on+0x310/0x310 [ 415.272021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.277564] ? check_preemption_disabled+0x48/0x280 [ 415.282592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.288146] ? takeover_tasklets+0xa90/0xa90 [ 415.292567] run_ksoftirqd+0x5e/0x100 [ 415.296380] smpboot_thread_fn+0x68b/0xa00 [ 415.300657] ? sort_range+0x30/0x30 [ 415.304301] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.309438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.315000] ? __kthread_parkme+0xfb/0x1a0 [ 415.319251] kthread+0x35a/0x420 [ 415.322640] ? sort_range+0x30/0x30 [ 415.326268] ? kthread_stop+0x900/0x900 [ 415.330259] ret_from_fork+0x3a/0x50 [ 415.334033] warn_alloc_show_mem: 1 callbacks suppressed [ 415.334046] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 415.334048] Mem-Info: [ 415.334080] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 415.334080] active_file:13 inactive_file:12 isolated_file:0 [ 415.334080] unevictable:0 dirty:0 writeback:0 unstable:0 [ 415.334080] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 415.334080] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 415.334080] free:13679 free_pcp:387 free_cma:0 [ 415.339429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.346132] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 415.348533] Call Trace: [ 415.381404] Node 0 [ 415.390753] [ 415.418266] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 415.420852] dump_stack+0x244/0x39d [ 415.423067] lowmem_reserve[]: [ 415.425218] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.450695] 0 2818 [ 415.454344] warn_alloc.cold.117+0xb7/0x1bd [ 415.457422] 6321 [ 415.462609] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.465017] 6321 [ 415.469360] ? lock_downgrade+0x900/0x900 [ 415.471398] Node 0 [ 415.476273] ? trace_hardirqs_off+0xb8/0x310 [ 415.478356] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 415.482496] ? trace_hardirqs_off+0xb8/0x310 [ 415.484709] lowmem_reserve[]: 0 [ 415.489128] __alloc_pages_slowpath+0x2660/0x2d70 [ 415.516079] 0 3503 [ 415.520538] ? warn_alloc+0x120/0x120 [ 415.523768] 3503 [ 415.528610] ? warn_alloc+0x120/0x120 [ 415.534629] ? print_usage_bug+0xc0/0xc0 [ 415.536672] Node 0 [ 415.540470] ? warn_alloc+0x120/0x120 [ 415.544533] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 415.546758] ? print_usage_bug+0xc0/0xc0 [ 415.550541] lowmem_reserve[]: [ 415.578923] ? __lock_acquire+0x62f/0x4c20 [ 415.582964] 0 [ 415.586067] ? __lock_acquire+0x62f/0x4c20 [ 415.590278] 0 [ 415.592100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.596312] 0 [ 415.598110] ? should_fail+0x22d/0xd01 [ 415.603629] 0 [ 415.605434] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.611110] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.616367] Node 0 [ 415.621467] ? __lock_acquire+0x62f/0x4c20 [ 415.621470] DMA: 1*4kB [ 415.623708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.627929] (U) [ 415.630514] ? __lock_acquire+0x62f/0x4c20 [ 415.635590] 0*8kB 0*16kB [ 415.637574] ? should_fail+0x22d/0xd01 [ 415.641788] 1*32kB [ 415.644547] ? rcu_irq_exit+0x1a2/0x390 [ 415.648412] (U) [ 415.650650] ? mark_held_locks+0x130/0x130 [ 415.654595] 2*64kB (U) [ 415.656583] ? mark_held_locks+0x130/0x130 [ 415.660803] 1*128kB [ 415.663388] ? mark_held_locks+0xc7/0x130 [ 415.667602] (U) [ 415.669935] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 415.674065] 1*256kB [ 415.676036] ? zap_class+0x640/0x640 [ 415.681042] (U) [ 415.683389] ? print_usage_bug+0xc0/0xc0 [ 415.687083] 0*512kB [ 415.689091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.693182] 1*1024kB [ 415.695504] ? check_preemption_disabled+0x48/0x280 [ 415.701028] (U) [ 415.703439] ? __lock_is_held+0xb5/0x140 [ 415.708432] 1*2048kB [ 415.710408] __alloc_pages_nodemask+0xa80/0xde0 [ 415.714441] (M) [ 415.716860] ? zap_class+0x640/0x640 [ 415.721502] 3*4096kB (M) [ 415.723487] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 415.727181] = 15908kB [ 415.729946] ? find_held_lock+0x36/0x1c0 [ 415.734935] Node 0 [ 415.737350] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.741385] DMA32: 5*4kB [ 415.743633] ? lock_downgrade+0x900/0x900 [ 415.748273] (M) 1*8kB [ 415.751059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.755189] (U) [ 415.757691] cache_grow_begin+0xa5/0x8c0 [ 415.763203] 4*16kB [ 415.765192] ? do_raw_spin_unlock+0xa7/0x330 [ 415.769227] (M) [ 415.771472] fallback_alloc+0x204/0x2e0 [ 415.775857] 2*32kB [ 415.777836] ____cache_alloc_node+0x1c7/0x1e0 [ 415.781777] (M) [ 415.784009] kmem_cache_alloc_node+0xe3/0x730 [ 415.788483] 4*64kB [ 415.790457] ? ipv6_get_ifaddr+0x42e/0x620 [ 415.794929] (UM) [ 415.797170] __alloc_skb+0x119/0x770 [ 415.801379] 3*128kB [ 415.803441] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.807127] (M) [ 415.809446] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.814715] 4*256kB [ 415.816687] ? lock_downgrade+0x900/0x900 [ 415.821071] (UM) [ 415.823399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.827526] 3*512kB [ 415.829590] ? refcount_sub_and_test_checked+0x203/0x310 [ 415.835108] (M) 3*1024kB [ 415.837452] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 415.842876] (UM) [ 415.845636] ? addrconf_rs_timer+0x690/0x690 [ 415.851068] 3*2048kB [ 415.853137] ndisc_alloc_skb+0x144/0x340 [ 415.857515] (UM) [ 415.859924] ndisc_send_rs+0x331/0x6e0 [ 415.863964] 3*4096kB [ 415.866042] addrconf_rs_timer+0x314/0x690 [ 415.869911] (M) [ 415.872329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.876542] = 24860kB [ 415.876551] Node 0 [ 415.878537] call_timer_fn+0x272/0x920 [ 415.882743] Normal: [ 415.885148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.887367] 767*4kB [ 415.891250] ? process_timeout+0x40/0x40 [ 415.893554] (UME) [ 415.897791] ? mark_held_locks+0xc7/0x130 [ 415.900090] 454*8kB [ 415.904172] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.906310] (ME) [ 415.910471] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.912778] 185*16kB [ 415.917268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.919318] (UME) [ 415.923843] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.926228] 80*32kB [ 415.930458] ? trace_hardirqs_on+0xbd/0x310 [ 415.932600] (UME) [ 415.937202] ? kasan_check_read+0x11/0x20 [ 415.939512] 22*64kB (M) [ 415.943842] ? __run_timers+0x7da/0xc70 [ 415.945974] 1*128kB [ 415.950143] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.952792] (U) [ 415.956760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.959059] 1*256kB (U) [ 415.964171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.966132] 0*512kB [ 415.970363] __run_timers+0x7e5/0xc70 [ 415.973012] 0*1024kB [ 415.977261] ? timer_fixup_init+0x70/0x70 [ 415.979557] 0*2048kB [ 415.983363] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.985752] 0*4096kB [ 415.989894] ? zap_class+0x640/0x640 [ 415.992301] = 14012kB [ 415.997319] ? print_usage_bug+0xc0/0xc0 [ 415.999719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 416.003425] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 416.005819] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 416.009876] ? find_held_lock+0x36/0x1c0 [ 416.018692] 163 total pagecache pages [ 416.023895] ? zap_class+0x640/0x640 [ 416.032456] 0 pages in swap cache [ 416.036513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.040303] Swap cache stats: add 0, delete 0, find 0/0 [ 416.044015] ? check_preemption_disabled+0x48/0x280 [ 416.047447] Free swap = 0kB [ 416.052997] ? __lock_is_held+0xb5/0x140 [ 416.058344] Total swap = 0kB [ 416.063373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.066372] 1965979 pages RAM [ 416.070433] ? check_preemption_disabled+0x48/0x280 [ 416.073430] 0 pages HighMem/MovableOnly [ 416.078972] run_timer_softirq+0x52/0xb0 [ 416.082067] 342867 pages reserved [ 416.082076] 0 pages cma reserved [ 416.087110] ? rcu_read_lock_sched_held+0x14f/0x180 [ 416.091155] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 416.095155] __do_softirq+0x308/0xb7e [ 416.098689] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.101964] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 416.106976] ksoftirqd/0 cpuset= [ 416.113481] ? lock_downgrade+0x900/0x900 [ 416.113499] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 416.117291] / [ 416.127601] ? pvclock_read_flags+0x160/0x160 [ 416.132091] mems_allowed=0 [ 416.135390] ? lapic_next_event+0x5a/0x90 [ 416.157871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.163417] ? kvm_clock_read+0x18/0x30 [ 416.167396] ? kvm_sched_clock_read+0x9/0x20 [ 416.171811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.177358] ? check_preemption_disabled+0x48/0x280 [ 416.182386] irq_exit+0x17f/0x1c0 [ 416.185849] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.190693] ? smp_reschedule_interrupt+0x109/0x650 [ 416.195728] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.201632] ? interrupt_entry+0xb5/0xc0 [ 416.205697] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.210714] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.215740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.220586] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.225607] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.230642] ? task_prio+0x50/0x50 [ 416.234204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.239759] ? check_preemption_disabled+0x48/0x280 [ 416.244809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.249684] apic_timer_interrupt+0xf/0x20 [ 416.253930] [ 416.256171] RIP: 0010:dump_stack+0x358/0x39d [ 416.260584] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 416.279489] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 416.287202] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 416.294485] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 416.301760] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 416.309033] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 416.316320] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 416.323631] ? dump_stack+0x34f/0x39d [ 416.327448] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.332655] dump_header+0x27b/0xf72 [ 416.336383] ? mark_held_locks+0x130/0x130 [ 416.340627] ? pagefault_out_of_memory+0x197/0x197 [ 416.345585] ? __lock_acquire+0x62f/0x4c20 [ 416.349832] ? zap_class+0x640/0x640 [ 416.353556] ? percpu_ref_get_many+0x240/0x240 [ 416.358322] ? print_usage_bug+0xc0/0xc0 [ 416.362395] ? print_usage_bug+0xc0/0xc0 [ 416.366473] ? zap_class+0x640/0x640 [ 416.370201] ? print_usage_bug+0xc0/0xc0 [ 416.374290] ? print_usage_bug+0xc0/0xc0 [ 416.378369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.383915] ? find_held_lock+0x36/0x1c0 [ 416.387991] ? mark_held_locks+0xc7/0x130 [ 416.392161] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.397295] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.402420] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 416.407012] ? trace_hardirqs_on+0xbd/0x310 [ 416.411340] ? kasan_check_read+0x11/0x20 [ 416.415495] ? ___ratelimit+0x3b4/0x672 [ 416.419488] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.424614] ? trace_hardirqs_on+0x310/0x310 [ 416.429034] ? lock_downgrade+0x900/0x900 [ 416.433194] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.438312] ? ___ratelimit+0x3b9/0x672 [ 416.442300] ? idr_get_free+0xec0/0xec0 [ 416.446300] ? find_held_lock+0x36/0x1c0 [ 416.450400] oom_kill_process.cold.27+0x10/0x903 [ 416.455165] ? zap_class+0x640/0x640 [ 416.458885] ? check_preemption_disabled+0x48/0x280 [ 416.463917] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.468861] ? kasan_check_read+0x11/0x20 [ 416.473027] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.478343] ? oom_evaluate_task+0x540/0x540 [ 416.482770] ? find_held_lock+0x36/0x1c0 [ 416.486853] ? out_of_memory+0x974/0x1430 [ 416.491012] ? lock_downgrade+0x900/0x900 [ 416.495166] ? check_preemption_disabled+0x48/0x280 [ 416.500214] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.505166] ? kasan_check_read+0x11/0x20 [ 416.509344] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.514656] ? rcu_softirq_qs+0x20/0x20 [ 416.518683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.524248] ? oom_evaluate_task+0x302/0x540 [ 416.528698] out_of_memory+0xa84/0x1430 [ 416.532693] ? oom_killer_disable+0x3a0/0x3a0 [ 416.537201] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 416.542144] ? __mutex_add_waiter+0x2a0/0x2a0 [ 416.546674] __alloc_pages_slowpath+0x22d4/0x2d70 [ 416.551569] ? warn_alloc+0x120/0x120 [ 416.555390] ? rcu_softirq_qs+0x20/0x20 [ 416.559419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.564979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.570533] ? should_fail+0x22d/0xd01 [ 416.574430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.579550] ? zap_class+0x640/0x640 [ 416.583322] ? __lock_is_held+0xb5/0x140 [ 416.587427] ? mark_held_locks+0x130/0x130 [ 416.591681] ? lock_release+0xa00/0xa00 [ 416.595662] ? perf_trace_sched_process_exec+0x860/0x860 [ 416.601145] ? __might_sleep+0x95/0x190 [ 416.605132] __alloc_pages_nodemask+0xa80/0xde0 [ 416.609840] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 416.614880] ? __page_cache_alloc+0x191/0x5c0 [ 416.619381] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.624323] ? kasan_check_read+0x11/0x20 [ 416.628484] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.633775] ? zap_class+0x640/0x640 [ 416.637517] ? zap_class+0x640/0x640 [ 416.641235] ? zap_class+0x640/0x640 [ 416.644953] ? __do_page_cache_readahead+0x7ce/0x980 [ 416.650072] ? find_held_lock+0x36/0x1c0 [ 416.654143] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 416.659700] alloc_pages_current+0x173/0x350 [ 416.664142] __page_cache_alloc+0x38c/0x5c0 [ 416.668483] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.673433] ? kasan_check_read+0x11/0x20 [ 416.677593] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.682891] ? generic_perform_write+0x6a0/0x6a0 [ 416.687677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.693254] ? check_preemption_disabled+0x48/0x280 [ 416.698317] filemap_fault+0x1594/0x25f0 [ 416.702401] ? __lock_page_or_retry+0xa00/0xa00 [ 416.707076] ? mark_held_locks+0x130/0x130 [ 416.711322] ? rcu_softirq_qs+0x20/0x20 [ 416.715318] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.720435] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 416.725021] ? trace_hardirqs_on+0xbd/0x310 [ 416.729357] ? filemap_map_pages+0xe04/0x1990 [ 416.733874] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.738995] ? __free_object+0x173/0x340 [ 416.743074] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 416.748010] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.753121] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 416.757805] ? debug_object_free+0x32d/0x690 [ 416.762228] ? kasan_check_read+0x11/0x20 [ 416.766396] ? debug_object_destroy+0x2b0/0x2b0 [ 416.771075] ? lock_pi_update_atomic+0x150/0x150 [ 416.775841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.781388] ? __hrtimer_init+0xdb/0x240 [ 416.785468] ? lock_acquire+0x1ed/0x520 [ 416.789461] ? ext4_filemap_fault+0x7a/0xad [ 416.793792] ? lock_release+0xa00/0xa00 [ 416.797772] ? perf_trace_sched_process_exec+0x860/0x860 [ 416.803224] ? print_usage_bug+0xc0/0xc0 [ 416.807302] ? print_usage_bug+0xc0/0xc0 [ 416.811392] ? down_read+0x8d/0x120 [ 416.815019] ? ext4_filemap_fault+0x7a/0xad [ 416.819345] ? __down_interruptible+0x700/0x700 [ 416.824024] ext4_filemap_fault+0x82/0xad [ 416.828178] __do_fault+0x100/0x6b0 [ 416.831816] ? pmd_devmap_trans_unstable+0x220/0x220 [ 416.836946] ? mark_held_locks+0x130/0x130 [ 416.841189] ? mark_held_locks+0x130/0x130 [ 416.845443] ? debug_smp_processor_id+0x1c/0x20 [ 416.850112] ? perf_trace_lock+0x14d/0x7a0 [ 416.854360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.859923] __handle_mm_fault+0x307c/0x5920 [ 416.864340] ? perf_trace_lock+0x7a0/0x7a0 [ 416.868593] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 416.873438] ? lock_is_held_type+0x210/0x210 [ 416.877858] ? ksys_dup3+0x680/0x680 [ 416.881601] ? zap_class+0x640/0x640 [ 416.885321] ? zap_class+0x640/0x640 [ 416.889045] ? __x64_sys_futex+0x53e/0x6a0 [ 416.893293] ? find_held_lock+0x36/0x1c0 [ 416.897367] ? handle_mm_fault+0x42a/0xc70 [ 416.901627] ? lock_downgrade+0x900/0x900 [ 416.905787] ? check_preemption_disabled+0x48/0x280 [ 416.910837] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.915797] ? kasan_check_read+0x11/0x20 [ 416.919988] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.925272] ? rcu_softirq_qs+0x20/0x20 [ 416.929270] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.934418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.939961] ? check_preemption_disabled+0x48/0x280 [ 416.944991] handle_mm_fault+0x54f/0xc70 [ 416.949060] ? __handle_mm_fault+0x5920/0x5920 [ 416.953656] ? find_vma+0x34/0x190 [ 416.957213] __do_page_fault+0x5e8/0xe60 [ 416.961280] ? trace_hardirqs_off+0xb8/0x310 [ 416.965703] ? kernel_write+0x120/0x120 [ 416.969691] do_page_fault+0xf2/0x7e0 [ 416.973500] ? vmalloc_sync_all+0x30/0x30 [ 416.977683] ? error_entry+0x70/0xd0 [ 416.981406] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.986429] ? trace_hardirqs_on_caller+0xc0/0x310 [ 416.991376] ? syscall_return_slowpath+0x5e0/0x5e0 [ 416.996322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.001176] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.006206] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.011671] ? prepare_exit_to_usermode+0x291/0x3b0 [ 417.016695] ? page_fault+0x8/0x30 [ 417.020240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.025095] ? page_fault+0x8/0x30 [ 417.028652] page_fault+0x1e/0x30 [ 417.032106] RIP: 0033:0x45ddf3 [ 417.035321] Code: Bad RIP value. [ 417.038687] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 417.044073] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 417.051383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 417.058670] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 417.065938] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 417.073212] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 417.080535] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 417.080599] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 417.087044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.087054] Call Trace: [ 417.093633] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.102926] dump_stack+0x244/0x39d [ 417.105493] syz-fuzzer cpuset= [ 417.115724] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.119332] / [ 417.122542] warn_alloc.cold.117+0xb7/0x1bd [ 417.127712] mems_allowed=0 [ 417.136701] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.141554] ? lock_downgrade+0x900/0x900 [ 417.145716] ? trace_hardirqs_off+0xb8/0x310 [ 417.150146] ? trace_hardirqs_off+0xb8/0x310 [ 417.154579] __alloc_pages_slowpath+0x2660/0x2d70 [ 417.159459] ? warn_alloc+0x120/0x120 [ 417.163268] ? warn_alloc+0x120/0x120 [ 417.167082] ? print_usage_bug+0xc0/0xc0 [ 417.171149] ? warn_alloc+0x120/0x120 [ 417.175005] ? print_usage_bug+0xc0/0xc0 [ 417.179083] ? __lock_acquire+0x62f/0x4c20 [ 417.183330] ? __lock_acquire+0x62f/0x4c20 [ 417.187579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.193123] ? should_fail+0x22d/0xd01 [ 417.197023] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.202149] ? __lock_acquire+0x62f/0x4c20 [ 417.206409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.211530] ? __lock_acquire+0x62f/0x4c20 [ 417.215805] ? should_fail+0x22d/0xd01 [ 417.219714] ? find_held_lock+0x36/0x1c0 [ 417.223823] ? mark_held_locks+0x130/0x130 [ 417.228088] ? mark_held_locks+0x130/0x130 [ 417.232366] ? zap_class+0x640/0x640 [ 417.236100] ? mark_held_locks+0xc7/0x130 [ 417.240262] ? do_raw_spin_unlock+0xa7/0x330 [ 417.244696] ? zap_class+0x640/0x640 [ 417.248431] ? print_usage_bug+0xc0/0xc0 [ 417.252520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.258077] ? check_preemption_disabled+0x48/0x280 [ 417.263121] ? __lock_is_held+0xb5/0x140 [ 417.267207] __alloc_pages_nodemask+0xa80/0xde0 [ 417.271898] ? zap_class+0x640/0x640 [ 417.275639] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 417.280703] ? find_held_lock+0x36/0x1c0 [ 417.284791] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.289478] ? lock_downgrade+0x900/0x900 [ 417.293649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.299230] cache_grow_begin+0xa5/0x8c0 [ 417.303331] ? do_raw_spin_unlock+0xa7/0x330 [ 417.307776] fallback_alloc+0x204/0x2e0 [ 417.311778] ____cache_alloc_node+0x1c7/0x1e0 [ 417.316334] kmem_cache_alloc_node+0xe3/0x730 [ 417.320865] ? ipv6_get_ifaddr+0x42e/0x620 [ 417.325149] __alloc_skb+0x119/0x770 [ 417.328892] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.334201] ? netdev_alloc_frag+0x1f0/0x1f0 [ 417.338635] ? lock_downgrade+0x900/0x900 [ 417.342825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.348382] ? refcount_sub_and_test_checked+0x203/0x310 [ 417.353865] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 417.359354] ? addrconf_rs_timer+0x690/0x690 [ 417.363796] ndisc_alloc_skb+0x144/0x340 [ 417.367880] ndisc_send_rs+0x331/0x6e0 [ 417.371790] addrconf_rs_timer+0x314/0x690 [ 417.376051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.380322] call_timer_fn+0x272/0x920 [ 417.384277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.388566] ? process_timeout+0x40/0x40 [ 417.392667] ? __run_timers+0x7da/0xc70 [ 417.396654] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.401178] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.405762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.410062] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.414669] ? trace_hardirqs_on+0xbd/0x310 [ 417.419002] ? kasan_check_read+0x11/0x20 [ 417.423161] ? __run_timers+0x7da/0xc70 [ 417.427161] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.432390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.436690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.440950] __run_timers+0x7e5/0xc70 [ 417.444776] ? timer_fixup_init+0x70/0x70 [ 417.448930] ? compat_start_thread+0x80/0x80 [ 417.453359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.458942] ? _raw_spin_unlock_irq+0x60/0x80 [ 417.463794] ? finish_task_switch+0x1f4/0x910 [ 417.468301] ? finish_task_switch+0x1b4/0x910 [ 417.472830] ? __switch_to_asm+0x34/0x70 [ 417.476996] ? preempt_notifier_register+0x200/0x200 [ 417.482111] ? __switch_to_asm+0x34/0x70 [ 417.486187] ? __switch_to_asm+0x40/0x70 [ 417.490274] ? __switch_to_asm+0x34/0x70 [ 417.494377] ? __switch_to_asm+0x40/0x70 [ 417.498446] ? __switch_to_asm+0x34/0x70 [ 417.502515] ? __switch_to_asm+0x40/0x70 [ 417.506597] ? __switch_to_asm+0x40/0x70 [ 417.510684] ? pvclock_read_flags+0x160/0x160 [ 417.515206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.520772] ? check_preemption_disabled+0x48/0x280 [ 417.525810] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 417.531365] ? rcu_pm_notify+0xc0/0xc0 [ 417.535263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.540907] ? check_preemption_disabled+0x48/0x280 [ 417.546074] run_timer_softirq+0x52/0xb0 [ 417.550171] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.555215] __do_softirq+0x308/0xb7e [ 417.559083] ? retint_kernel+0x2d/0x2d [ 417.563008] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 417.568133] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.573620] ? schedule+0x108/0x460 [ 417.577255] ? __schedule+0x21d0/0x21d0 [ 417.581265] ? trace_hardirqs_off+0xb8/0x310 [ 417.585691] ? smpboot_thread_fn+0x68b/0xa00 [ 417.590193] ? trace_hardirqs_on+0x310/0x310 [ 417.594665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.600223] ? check_preemption_disabled+0x48/0x280 [ 417.605255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.610812] ? takeover_tasklets+0xa90/0xa90 [ 417.615234] run_ksoftirqd+0x5e/0x100 [ 417.619087] smpboot_thread_fn+0x68b/0xa00 [ 417.623362] ? sort_range+0x30/0x30 [ 417.627004] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.632146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.637860] ? __kthread_parkme+0xfb/0x1a0 [ 417.642173] kthread+0x35a/0x420 [ 417.645549] ? sort_range+0x30/0x30 [ 417.649197] ? kthread_stop+0x900/0x900 [ 417.653263] ret_from_fork+0x3a/0x50 [ 417.657043] warn_alloc_show_mem: 1 callbacks suppressed [ 417.657056] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 417.657058] Mem-Info: [ 417.657089] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 417.657089] active_file:13 inactive_file:12 isolated_file:0 [ 417.657089] unevictable:0 dirty:0 writeback:0 unstable:0 [ 417.657089] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 417.657089] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 417.657089] free:13679 free_pcp:387 free_cma:0 [ 417.662479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.669169] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 417.671588] Call Trace: [ 417.704487] Node 0 [ 417.713858] [ 417.741400] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 417.743976] dump_stack+0x244/0x39d [ 417.746188] lowmem_reserve[]: 0 [ 417.748402] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.773895] 2818 6321 [ 417.777578] warn_alloc.cold.117+0xb7/0x1bd [ 417.780848] 6321 [ 417.786090] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.788570] Node 0 [ 417.792904] ? lock_downgrade+0x900/0x900 [ 417.794969] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 417.799876] ? trace_hardirqs_off+0xb8/0x310 [ 417.802068] lowmem_reserve[]: [ 417.806238] ? trace_hardirqs_off+0xb8/0x310 [ 417.833199] 0 0 [ 417.837641] __alloc_pages_slowpath+0x2660/0x2d70 [ 417.840709] 3503 3503 [ 417.845156] ? warn_alloc+0x120/0x120 [ 417.847087] Node 0 [ 417.851930] ? warn_alloc+0x120/0x120 [ 417.854435] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 417.858227] ? print_usage_bug+0xc0/0xc0 [ 417.860436] lowmem_reserve[]: 0 [ 417.864251] ? warn_alloc+0x120/0x120 [ 417.892600] 0 0 [ 417.896686] ? print_usage_bug+0xc0/0xc0 [ 417.899939] 0 [ 417.903749] ? __lock_acquire+0x62f/0x4c20 [ 417.905708] Node 0 [ 417.909774] ? __lock_acquire+0x62f/0x4c20 [ 417.911558] DMA: [ 417.915795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.918008] 1*4kB [ 417.922236] ? should_fail+0x22d/0xd01 [ 417.924280] (U) [ 417.929847] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.931969] 0*8kB [ 417.935894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.937853] 0*16kB [ 417.943130] ? __lock_acquire+0x62f/0x4c20 [ 417.945265] 1*32kB [ 417.950399] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.952620] (U) [ 417.956862] ? __lock_acquire+0x62f/0x4c20 [ 417.959071] 2*64kB (U) [ 417.964185] ? should_fail+0x22d/0xd01 [ 417.966154] 1*128kB [ 417.970392] ? rcu_irq_exit+0x1a2/0x390 [ 417.972970] (U) [ 417.976876] ? mark_held_locks+0x130/0x130 [ 417.979172] 1*256kB [ 417.983145] ? mark_held_locks+0x130/0x130 [ 417.985103] (U) [ 417.989343] ? mark_held_locks+0xc7/0x130 [ 417.991661] 0*512kB 1*1024kB [ 417.995916] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 417.997876] (U) [ 418.002026] ? zap_class+0x640/0x640 [ 418.005116] 1*2048kB (M) [ 418.010141] ? print_usage_bug+0xc0/0xc0 [ 418.012102] 3*4096kB [ 418.015823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.018553] (M) = 15908kB [ 418.022655] ? check_preemption_disabled+0x48/0x280 [ 418.025057] Node 0 [ 418.030609] ? __lock_is_held+0xb5/0x140 [ 418.033351] DMA32: 5*4kB [ 418.038421] __alloc_pages_nodemask+0xa80/0xde0 [ 418.040634] (M) [ 418.044701] ? zap_class+0x640/0x640 [ 418.047458] 1*8kB [ 418.052141] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 418.054091] (U) [ 418.057836] ? find_held_lock+0x36/0x1c0 [ 418.059960] 4*16kB (M) [ 418.064993] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.066943] 2*32kB [ 418.071013] ? lock_downgrade+0x900/0x900 [ 418.073574] (M) [ 418.078246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.080461] 4*64kB [ 418.084608] cache_grow_begin+0xa5/0x8c0 [ 418.086574] (UM) 3*128kB [ 418.092129] ? do_raw_spin_unlock+0xa7/0x330 [ 418.094353] (M) [ 418.098424] fallback_alloc+0x204/0x2e0 [ 418.101150] 4*256kB (UM) [ 418.105573] ____cache_alloc_node+0x1c7/0x1e0 [ 418.107524] 3*512kB (M) [ 418.111510] kmem_cache_alloc_node+0xe3/0x730 [ 418.114239] 3*1024kB (UM) [ 418.118772] ? ipv6_get_ifaddr+0x42e/0x620 [ 418.121427] 3*2048kB [ 418.125927] __alloc_skb+0x119/0x770 [ 418.128744] (UM) [ 418.133013] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.135400] 3*4096kB [ 418.139114] ? netdev_alloc_frag+0x1f0/0x1f0 [ 418.141160] (M) [ 418.146472] ? lock_downgrade+0x900/0x900 [ 418.148861] = 24860kB [ 418.153277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.155240] Node 0 [ 418.159408] ? refcount_sub_and_test_checked+0x203/0x310 [ 418.161796] Normal: [ 418.167358] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 418.169594] 767*4kB [ 418.175049] ? addrconf_rs_timer+0x690/0x690 [ 418.177356] (UME) [ 418.182829] ndisc_alloc_skb+0x144/0x340 [ 418.185116] 454*8kB [ 418.189527] ndisc_send_rs+0x331/0x6e0 [ 418.191661] (ME) [ 418.195759] addrconf_rs_timer+0x314/0x690 [ 418.198087] 185*16kB [ 418.201982] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.204016] (UME) [ 418.208270] call_timer_fn+0x272/0x920 [ 418.210679] 80*32kB [ 418.214925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.217056] (UME) [ 418.220962] ? process_timeout+0x40/0x40 [ 418.223266] 22*64kB [ 418.227527] ? mark_held_locks+0xc7/0x130 [ 418.229651] (M) [ 418.233725] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.236018] 1*128kB (U) [ 418.240183] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.242139] 1*256kB [ 418.246653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.249318] (U) [ 418.253830] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.256128] 0*512kB [ 418.260364] ? trace_hardirqs_on+0xbd/0x310 [ 418.262331] 0*1024kB [ 418.266911] ? kasan_check_read+0x11/0x20 [ 418.269217] 0*2048kB [ 418.273546] ? __run_timers+0x7da/0xc70 [ 418.275932] 0*4096kB = 14012kB [ 418.280096] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.282489] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 418.286468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.289647] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 418.294750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.303582] 163 total pagecache pages [ 418.307843] __run_timers+0x7e5/0xc70 [ 418.316393] 0 pages in swap cache [ 418.320660] ? timer_fixup_init+0x70/0x70 [ 418.324469] Swap cache stats: add 0, delete 0, find 0/0 [ 418.328294] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.331723] Free swap = 0kB [ 418.331734] Total swap = 0kB [ 418.335903] ? zap_class+0x640/0x640 [ 418.341261] 1965979 pages RAM [ 418.346320] ? print_usage_bug+0xc0/0xc0 [ 418.349341] 0 pages HighMem/MovableOnly [ 418.352451] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 418.356632] 342867 pages reserved [ 418.356642] 0 pages cma reserved [ 418.359774] ? find_held_lock+0x36/0x1c0 [ 418.363897] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.367798] ? zap_class+0x640/0x640 [ 418.367820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.367842] ? check_preemption_disabled+0x48/0x280 [ 418.373079] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.376481] ? __lock_is_held+0xb5/0x140 [ 418.379817] ksoftirqd/0 cpuset= [ 418.383891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.390379] / [ 418.394109] ? check_preemption_disabled+0x48/0x280 [ 418.399621] mems_allowed=0 [ 418.404650] run_timer_softirq+0x52/0xb0 [ 418.441524] ? rcu_read_lock_sched_held+0x14f/0x180 [ 418.446554] __do_softirq+0x308/0xb7e [ 418.450367] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 418.454884] ? lock_downgrade+0x900/0x900 [ 418.459043] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 418.464170] ? pvclock_read_flags+0x160/0x160 [ 418.468670] ? lapic_next_event+0x5a/0x90 [ 418.472852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.478403] ? kvm_clock_read+0x18/0x30 [ 418.482379] ? kvm_sched_clock_read+0x9/0x20 [ 418.486804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.492347] ? check_preemption_disabled+0x48/0x280 [ 418.497382] irq_exit+0x17f/0x1c0 [ 418.500846] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.505688] ? smp_reschedule_interrupt+0x109/0x650 [ 418.510710] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.516606] ? interrupt_entry+0xb5/0xc0 [ 418.520673] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.525693] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.530714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.535559] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.540581] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.545613] ? task_prio+0x50/0x50 [ 418.549162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.554704] ? check_preemption_disabled+0x48/0x280 [ 418.559762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.564627] apic_timer_interrupt+0xf/0x20 [ 418.568860] [ 418.571104] RIP: 0010:dump_stack+0x358/0x39d [ 418.575515] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 418.594429] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 418.602146] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 418.609421] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 418.616696] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 418.623969] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 418.631262] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 418.638567] ? dump_stack+0x34f/0x39d [ 418.642385] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.647591] dump_header+0x27b/0xf72 [ 418.651327] ? mark_held_locks+0x130/0x130 [ 418.655573] ? pagefault_out_of_memory+0x197/0x197 [ 418.660510] ? __lock_acquire+0x62f/0x4c20 [ 418.664747] ? zap_class+0x640/0x640 [ 418.668470] ? percpu_ref_get_many+0x240/0x240 [ 418.673062] ? print_usage_bug+0xc0/0xc0 [ 418.677128] ? print_usage_bug+0xc0/0xc0 [ 418.681201] ? zap_class+0x640/0x640 [ 418.684927] ? print_usage_bug+0xc0/0xc0 [ 418.688999] ? print_usage_bug+0xc0/0xc0 [ 418.693078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.698631] ? find_held_lock+0x36/0x1c0 [ 418.702708] ? mark_held_locks+0xc7/0x130 [ 418.706869] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 418.711980] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 418.717089] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 418.721681] ? trace_hardirqs_on+0xbd/0x310 [ 418.726010] ? kasan_check_read+0x11/0x20 [ 418.730161] ? ___ratelimit+0x3b4/0x672 [ 418.734158] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.739265] ? trace_hardirqs_on+0x310/0x310 [ 418.743688] ? lock_downgrade+0x900/0x900 [ 418.747856] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 418.752966] ? ___ratelimit+0x3b9/0x672 [ 418.756945] ? idr_get_free+0xec0/0xec0 [ 418.760926] ? find_held_lock+0x36/0x1c0 [ 418.765000] oom_kill_process.cold.27+0x10/0x903 [ 418.769761] ? zap_class+0x640/0x640 [ 418.773481] ? check_preemption_disabled+0x48/0x280 [ 418.778504] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 418.783442] ? kasan_check_read+0x11/0x20 [ 418.787595] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.792894] ? oom_evaluate_task+0x540/0x540 [ 418.797325] ? find_held_lock+0x36/0x1c0 [ 418.801395] ? out_of_memory+0x974/0x1430 [ 418.805549] ? lock_downgrade+0x900/0x900 [ 418.809697] ? check_preemption_disabled+0x48/0x280 [ 418.814737] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 418.819669] ? kasan_check_read+0x11/0x20 [ 418.823846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.829140] ? rcu_softirq_qs+0x20/0x20 [ 418.833135] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.838707] ? oom_evaluate_task+0x302/0x540 [ 418.843123] out_of_memory+0xa84/0x1430 [ 418.847121] ? oom_killer_disable+0x3a0/0x3a0 [ 418.851618] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 418.856556] ? __mutex_add_waiter+0x2a0/0x2a0 [ 418.861065] __alloc_pages_slowpath+0x22d4/0x2d70 [ 418.865960] ? warn_alloc+0x120/0x120 [ 418.869782] ? rcu_softirq_qs+0x20/0x20 [ 418.873801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.879358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.884909] ? should_fail+0x22d/0xd01 [ 418.888805] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.893916] ? zap_class+0x640/0x640 [ 418.897677] ? __lock_is_held+0xb5/0x140 [ 418.901749] ? mark_held_locks+0x130/0x130 [ 418.905989] ? lock_release+0xa00/0xa00 [ 418.909981] ? perf_trace_sched_process_exec+0x860/0x860 [ 418.915442] ? __might_sleep+0x95/0x190 [ 418.919425] __alloc_pages_nodemask+0xa80/0xde0 [ 418.924104] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 418.929123] ? __page_cache_alloc+0x191/0x5c0 [ 418.933620] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 418.938553] ? kasan_check_read+0x11/0x20 [ 418.942719] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.948011] ? zap_class+0x640/0x640 [ 418.951746] ? zap_class+0x640/0x640 [ 418.955460] ? zap_class+0x640/0x640 [ 418.959190] ? __do_page_cache_readahead+0x7ce/0x980 [ 418.964311] ? find_held_lock+0x36/0x1c0 [ 418.968386] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 418.973934] alloc_pages_current+0x173/0x350 [ 418.978357] __page_cache_alloc+0x38c/0x5c0 [ 418.982682] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 418.987617] ? kasan_check_read+0x11/0x20 [ 418.991772] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.997055] ? generic_perform_write+0x6a0/0x6a0 [ 419.001814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.007362] ? check_preemption_disabled+0x48/0x280 [ 419.012389] filemap_fault+0x1594/0x25f0 [ 419.016464] ? __lock_page_or_retry+0xa00/0xa00 [ 419.021139] ? mark_held_locks+0x130/0x130 [ 419.025385] ? rcu_softirq_qs+0x20/0x20 [ 419.029379] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.034484] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 419.039086] ? trace_hardirqs_on+0xbd/0x310 [ 419.043415] ? filemap_map_pages+0xe04/0x1990 [ 419.047947] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.053060] ? __free_object+0x173/0x340 [ 419.057139] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 419.062081] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.067202] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 419.071884] ? debug_object_free+0x32d/0x690 [ 419.076301] ? kasan_check_read+0x11/0x20 [ 419.080461] ? debug_object_destroy+0x2b0/0x2b0 [ 419.085136] ? lock_pi_update_atomic+0x150/0x150 [ 419.089920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.095457] ? __hrtimer_init+0xdb/0x240 [ 419.099534] ? lock_acquire+0x1ed/0x520 [ 419.103511] ? ext4_filemap_fault+0x7a/0xad [ 419.107849] ? lock_release+0xa00/0xa00 [ 419.111830] ? perf_trace_sched_process_exec+0x860/0x860 [ 419.117290] ? print_usage_bug+0xc0/0xc0 [ 419.121359] ? print_usage_bug+0xc0/0xc0 [ 419.125447] ? down_read+0x8d/0x120 [ 419.129074] ? ext4_filemap_fault+0x7a/0xad [ 419.133398] ? __down_interruptible+0x700/0x700 [ 419.138089] ext4_filemap_fault+0x82/0xad [ 419.142291] __do_fault+0x100/0x6b0 [ 419.145926] ? pmd_devmap_trans_unstable+0x220/0x220 [ 419.151033] ? mark_held_locks+0x130/0x130 [ 419.155297] ? mark_held_locks+0x130/0x130 [ 419.159548] ? debug_smp_processor_id+0x1c/0x20 [ 419.164219] ? perf_trace_lock+0x14d/0x7a0 [ 419.168463] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.174022] __handle_mm_fault+0x307c/0x5920 [ 419.178429] ? perf_trace_lock+0x7a0/0x7a0 [ 419.182685] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 419.187533] ? lock_is_held_type+0x210/0x210 [ 419.191973] ? ksys_dup3+0x680/0x680 [ 419.195704] ? zap_class+0x640/0x640 [ 419.199428] ? zap_class+0x640/0x640 [ 419.203149] ? __x64_sys_futex+0x53e/0x6a0 [ 419.207391] ? find_held_lock+0x36/0x1c0 [ 419.211479] ? handle_mm_fault+0x42a/0xc70 [ 419.215719] ? lock_downgrade+0x900/0x900 [ 419.219885] ? check_preemption_disabled+0x48/0x280 [ 419.224912] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.229849] ? kasan_check_read+0x11/0x20 [ 419.234016] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.239308] ? rcu_softirq_qs+0x20/0x20 [ 419.243296] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.248401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.253941] ? check_preemption_disabled+0x48/0x280 [ 419.258969] handle_mm_fault+0x54f/0xc70 [ 419.263038] ? __handle_mm_fault+0x5920/0x5920 [ 419.267630] ? find_vma+0x34/0x190 [ 419.271198] __do_page_fault+0x5e8/0xe60 [ 419.275276] ? trace_hardirqs_off+0xb8/0x310 [ 419.279697] ? kernel_write+0x120/0x120 [ 419.283682] do_page_fault+0xf2/0x7e0 [ 419.287485] ? vmalloc_sync_all+0x30/0x30 [ 419.291646] ? error_entry+0x70/0xd0 [ 419.295360] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.300377] ? trace_hardirqs_on_caller+0xc0/0x310 [ 419.305349] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.310301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.315149] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.320214] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.325670] ? prepare_exit_to_usermode+0x291/0x3b0 [ 419.330692] ? page_fault+0x8/0x30 [ 419.334239] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.339084] ? page_fault+0x8/0x30 [ 419.342630] page_fault+0x1e/0x30 [ 419.346080] RIP: 0033:0x45ddf3 [ 419.349295] Code: Bad RIP value. [ 419.352719] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 419.358103] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 419.365370] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 419.372639] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 419.379921] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 419.387191] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 419.394490] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 419.394556] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 419.400986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.400991] Call Trace: [ 419.401013] dump_stack+0x244/0x39d [ 419.401033] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.407605] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.416883] warn_alloc.cold.117+0xb7/0x1bd [ 419.419447] syz-fuzzer cpuset= [ 419.423095] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.428267] / [ 419.438511] ? lock_downgrade+0x900/0x900 [ 419.442813] mems_allowed=0 [ 419.446006] ? trace_hardirqs_off+0xb8/0x310 [ 419.464165] ? trace_hardirqs_off+0xb8/0x310 [ 419.468602] __alloc_pages_slowpath+0x2660/0x2d70 [ 419.473480] ? warn_alloc+0x120/0x120 [ 419.477300] ? warn_alloc+0x120/0x120 [ 419.481114] ? print_usage_bug+0xc0/0xc0 [ 419.485187] ? warn_alloc+0x120/0x120 [ 419.488990] ? print_usage_bug+0xc0/0xc0 [ 419.493054] ? __lock_acquire+0x62f/0x4c20 [ 419.497319] ? __lock_acquire+0x62f/0x4c20 [ 419.501567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.507105] ? should_fail+0x22d/0xd01 [ 419.510998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.516106] ? __lock_acquire+0x62f/0x4c20 [ 419.520354] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.525460] ? __lock_acquire+0x62f/0x4c20 [ 419.529694] ? should_fail+0x22d/0xd01 [ 419.533585] ? find_held_lock+0x36/0x1c0 [ 419.537659] ? mark_held_locks+0x130/0x130 [ 419.541899] ? mark_held_locks+0x130/0x130 [ 419.546133] ? zap_class+0x640/0x640 [ 419.549850] ? zap_class+0x640/0x640 [ 419.553580] ? print_usage_bug+0xc0/0xc0 [ 419.557646] ? do_raw_spin_unlock+0xa7/0x330 [ 419.562058] ? zap_class+0x640/0x640 [ 419.565772] ? print_usage_bug+0xc0/0xc0 [ 419.569848] ? wq_watchdog_touch+0x9c/0xfe [ 419.574098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.579635] ? check_preemption_disabled+0x48/0x280 [ 419.584663] ? __lock_is_held+0xb5/0x140 [ 419.588737] __alloc_pages_nodemask+0xa80/0xde0 [ 419.593433] ? zap_class+0x640/0x640 [ 419.597171] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 419.602216] ? find_held_lock+0x36/0x1c0 [ 419.606302] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.610977] ? lock_downgrade+0x900/0x900 [ 419.615149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.620692] cache_grow_begin+0xa5/0x8c0 [ 419.624755] ? do_raw_spin_unlock+0xa7/0x330 [ 419.629168] fallback_alloc+0x204/0x2e0 [ 419.633145] ____cache_alloc_node+0x1c7/0x1e0 [ 419.637655] kmem_cache_alloc_node+0xe3/0x730 [ 419.642152] ? ipv6_get_ifaddr+0x42e/0x620 [ 419.646399] __alloc_skb+0x119/0x770 [ 419.650114] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.655400] ? netdev_alloc_frag+0x1f0/0x1f0 [ 419.659825] ? lock_downgrade+0x900/0x900 [ 419.663985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.669543] ? refcount_sub_and_test_checked+0x203/0x310 [ 419.675011] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 419.680467] ? addrconf_rs_timer+0x690/0x690 [ 419.684884] ndisc_alloc_skb+0x144/0x340 [ 419.688947] ndisc_send_rs+0x331/0x6e0 [ 419.692853] addrconf_rs_timer+0x314/0x690 [ 419.697096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.701368] call_timer_fn+0x272/0x920 [ 419.705256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.709501] ? process_timeout+0x40/0x40 [ 419.713590] ? __run_timers+0x7da/0xc70 [ 419.717571] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.722067] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.726574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.730808] ? lockdep_hardirqs_on+0x296/0x5b0 [ 419.735425] ? trace_hardirqs_on+0xbd/0x310 [ 419.739751] ? kasan_check_read+0x11/0x20 [ 419.743917] ? __run_timers+0x7da/0xc70 [ 419.747923] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.753040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.757281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.761533] __run_timers+0x7e5/0xc70 [ 419.765353] ? timer_fixup_init+0x70/0x70 [ 419.769505] ? compat_start_thread+0x80/0x80 [ 419.773921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.779492] ? _raw_spin_unlock_irq+0x60/0x80 [ 419.784004] ? finish_task_switch+0x1f4/0x910 [ 419.788502] ? finish_task_switch+0x1b4/0x910 [ 419.792998] ? __switch_to_asm+0x34/0x70 [ 419.797061] ? preempt_notifier_register+0x200/0x200 [ 419.802191] ? __switch_to_asm+0x34/0x70 [ 419.806252] ? __switch_to_asm+0x40/0x70 [ 419.810331] ? __switch_to_asm+0x34/0x70 [ 419.814394] ? __switch_to_asm+0x40/0x70 [ 419.818459] ? __switch_to_asm+0x34/0x70 [ 419.822532] ? __switch_to_asm+0x40/0x70 [ 419.826605] ? __switch_to_asm+0x40/0x70 [ 419.830677] ? pvclock_read_flags+0x160/0x160 [ 419.835178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.840716] ? check_preemption_disabled+0x48/0x280 [ 419.845758] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 419.851303] ? rcu_pm_notify+0xc0/0xc0 [ 419.855200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.860736] ? check_preemption_disabled+0x48/0x280 [ 419.865784] run_timer_softirq+0x52/0xb0 [ 419.869845] ? rcu_read_lock_sched_held+0x14f/0x180 [ 419.874870] __do_softirq+0x308/0xb7e [ 419.878675] ? retint_kernel+0x2d/0x2d [ 419.882567] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 419.887668] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.893123] ? schedule+0x108/0x460 [ 419.896754] ? __schedule+0x21d0/0x21d0 [ 419.900731] ? trace_hardirqs_off+0xb8/0x310 [ 419.905161] ? smpboot_thread_fn+0x68b/0xa00 [ 419.909584] ? trace_hardirqs_on+0x310/0x310 [ 419.914016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.919552] ? check_preemption_disabled+0x48/0x280 [ 419.924577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.930115] ? takeover_tasklets+0xa90/0xa90 [ 419.934527] run_ksoftirqd+0x5e/0x100 [ 419.938338] smpboot_thread_fn+0x68b/0xa00 [ 419.942580] ? sort_range+0x30/0x30 [ 419.946223] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.951340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.956879] ? __kthread_parkme+0xfb/0x1a0 [ 419.961131] kthread+0x35a/0x420 [ 419.964497] ? sort_range+0x30/0x30 [ 419.968128] ? kthread_stop+0x900/0x900 [ 419.972107] ret_from_fork+0x3a/0x50 [ 419.975850] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 419.975856] warn_alloc_show_mem: 1 callbacks suppressed [ 419.975864] Mem-Info: [ 419.982527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.982536] Call Trace: [ 419.987922] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 419.987922] active_file:13 inactive_file:12 isolated_file:0 [ 419.987922] unevictable:0 dirty:0 writeback:0 unstable:0 [ 419.987922] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 419.987922] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 419.987922] free:13679 free_pcp:387 free_cma:0 [ 419.990304] [ 419.999696] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 420.002290] dump_stack+0x244/0x39d [ 420.035162] Node 0 [ 420.037320] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.064826] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 420.068458] warn_alloc.cold.117+0xb7/0x1bd [ 420.070660] lowmem_reserve[]: 0 [ 420.075882] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.101382] 2818 [ 420.105728] ? lock_downgrade+0x900/0x900 [ 420.108986] 6321 [ 420.113850] ? trace_hardirqs_off+0xb8/0x310 [ 420.115885] 6321 [ 420.120045] ? trace_hardirqs_off+0xb8/0x310 [ 420.126501] __alloc_pages_slowpath+0x2660/0x2d70 [ 420.128539] Node 0 [ 420.132982] ? warn_alloc+0x120/0x120 [ 420.137819] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 420.140031] ? warn_alloc+0x120/0x120 [ 420.143812] lowmem_reserve[]: [ 420.170794] ? print_usage_bug+0xc0/0xc0 [ 420.174593] 0 [ 420.177702] ? warn_alloc+0x120/0x120 [ 420.181744] 0 3503 [ 420.183560] ? print_usage_bug+0xc0/0xc0 [ 420.187352] 3503 [ 420.189590] ? __lock_acquire+0x62f/0x4c20 [ 420.195696] ? __lock_acquire+0x62f/0x4c20 [ 420.199921] Node 0 Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 420.204197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.204214] ? should_fail+0x22d/0xd01 [ 420.233176] lowmem_reserve[]: 0 [ 420.238742] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.242597] 0 0 [ 420.245881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.251131] 0 [ 420.253112] ? __lock_acquire+0x62f/0x4c20 [ 420.258205] Node 0 [ 420.260004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.264215] DMA: [ 420.266450] ? __lock_acquire+0x62f/0x4c20 [ 420.271530] 1*4kB [ 420.273587] ? should_fail+0x22d/0xd01 [ 420.277808] (U) 0*8kB [ 420.279984] ? rcu_irq_exit+0x1a2/0x390 [ 420.283869] 0*16kB [ 420.286371] ? mark_held_locks+0x130/0x130 [ 420.290322] 1*32kB [ 420.292557] ? mark_held_locks+0x130/0x130 [ 420.296768] (U) [ 420.299004] ? mark_held_locks+0xc7/0x130 [ 420.303210] 2*64kB (U) [ 420.305199] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 420.309321] 1*128kB (U) [ 420.311910] ? zap_class+0x640/0x640 [ 420.316903] 1*256kB (U) [ 420.319607] ? print_usage_bug+0xc0/0xc0 [ 420.323310] 0*512kB [ 420.326001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.330041] 1*1024kB [ 420.332369] ? check_preemption_disabled+0x48/0x280 [ 420.337890] (U) [ 420.340334] ? __lock_is_held+0xb5/0x140 [ 420.345346] 1*2048kB (M) [ 420.347357] __alloc_pages_nodemask+0xa80/0xde0 [ 420.351400] 3*4096kB [ 420.354180] ? zap_class+0x640/0x640 [ 420.359311] (M) = 15908kB [ 420.361745] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 420.365439] Node 0 [ 420.368218] ? find_held_lock+0x36/0x1c0 [ 420.373201] DMA32: [ 420.375443] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.379477] 5*4kB [ 420.381714] ? lock_downgrade+0x900/0x900 [ 420.386358] (M) [ 420.388511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.392632] 1*8kB [ 420.394609] cache_grow_begin+0xa5/0x8c0 [ 420.400122] (U) [ 420.402271] ? do_raw_spin_unlock+0xa7/0x330 [ 420.406321] 4*16kB [ 420.408327] fallback_alloc+0x204/0x2e0 [ 420.412735] (M) [ 420.414969] ____cache_alloc_node+0x1c7/0x1e0 [ 420.418912] 2*32kB (M) [ 420.420897] kmem_cache_alloc_node+0xe3/0x730 [ 420.425365] 4*64kB (UM) [ 420.427958] ? ipv6_get_ifaddr+0x42e/0x620 [ 420.432424] 3*128kB (M) [ 420.435108] __alloc_skb+0x119/0x770 [ 420.439314] 4*256kB (UM) [ 420.441998] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.445689] 3*512kB [ 420.448448] ? netdev_alloc_frag+0x1f0/0x1f0 [ 420.453711] (M) [ 420.456034] ? lock_downgrade+0x900/0x900 [ 420.460429] 3*1024kB [ 420.462412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.466535] (UM) [ 420.468963] ? refcount_sub_and_test_checked+0x203/0x310 [ 420.474471] 3*2048kB (UM) [ 420.476547] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 420.481983] 3*4096kB (M) [ 420.484859] ? addrconf_rs_timer+0x690/0x690 [ 420.490297] = 24860kB [ 420.490306] Node 0 [ 420.493071] ndisc_alloc_skb+0x144/0x340 [ 420.497459] Normal: [ 420.499882] ndisc_send_rs+0x331/0x6e0 [ 420.502089] 767*4kB [ 420.506174] addrconf_rs_timer+0x314/0x690 [ 420.508489] (UME) [ 420.512388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.514693] 454*8kB [ 420.518932] call_timer_fn+0x272/0x920 [ 420.521053] (ME) [ 420.525292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.527596] 185*16kB [ 420.531481] ? process_timeout+0x40/0x40 [ 420.533523] (UME) [ 420.537764] ? mark_held_locks+0xc7/0x130 [ 420.540166] 80*32kB [ 420.544226] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.546356] (UME) [ 420.550503] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.552810] 22*64kB (M) [ 420.557330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.559466] 1*128kB [ 420.563960] ? lockdep_hardirqs_on+0x296/0x5b0 [ 420.566610] (U) [ 420.570844] ? trace_hardirqs_on+0xbd/0x310 [ 420.573158] 1*256kB [ 420.577751] ? kasan_check_read+0x11/0x20 [ 420.577770] ? __run_timers+0x7da/0xc70 [ 420.579743] (U) [ 420.584063] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.586369] 0*512kB [ 420.590520] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.594482] 0*1024kB [ 420.596467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.601557] 0*2048kB 0*4096kB [ 420.603908] __run_timers+0x7e5/0xc70 [ 420.608155] = 14012kB [ 420.608170] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 420.610593] ? timer_fixup_init+0x70/0x70 [ 420.614814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 420.614823] 163 total pagecache pages [ 420.618025] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.621832] 0 pages in swap cache [ 420.621852] Swap cache stats: add 0, delete 0, find 0/0 [ 420.621861] Free swap = 0kB [ 420.624296] ? zap_class+0x640/0x640 [ 420.633111] Total swap = 0kB [ 420.633120] 1965979 pages RAM [ 420.637280] ? print_usage_bug+0xc0/0xc0 [ 420.645852] 0 pages HighMem/MovableOnly [ 420.645862] 342867 pages reserved [ 420.649693] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.654693] 0 pages cma reserved [ 420.654792] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 420.658212] ? find_held_lock+0x36/0x1c0 [ 420.658228] ? zap_class+0x640/0x640 [ 420.658247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.658264] ? check_preemption_disabled+0x48/0x280 [ 420.663715] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.666683] ? __lock_is_held+0xb5/0x140 [ 420.670373] ksoftirqd/0 cpuset= [ 420.673398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.676483] / [ 420.680547] ? check_preemption_disabled+0x48/0x280 [ 420.684506] mems_allowed=0 [ 420.687957] run_timer_softirq+0x52/0xb0 [ 420.758159] ? rcu_read_lock_sched_held+0x14f/0x180 [ 420.763195] __do_softirq+0x308/0xb7e [ 420.767012] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 420.771515] ? lock_downgrade+0x900/0x900 [ 420.775688] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 420.780808] ? pvclock_read_flags+0x160/0x160 [ 420.785354] ? lapic_next_event+0x5a/0x90 [ 420.789526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.795097] ? kvm_clock_read+0x18/0x30 [ 420.799074] ? kvm_sched_clock_read+0x9/0x20 [ 420.803489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.809036] ? check_preemption_disabled+0x48/0x280 [ 420.814078] irq_exit+0x17f/0x1c0 [ 420.817539] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.822418] ? smp_reschedule_interrupt+0x109/0x650 [ 420.827443] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.833333] ? interrupt_entry+0xb5/0xc0 [ 420.837430] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.842450] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.847473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.852334] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.857364] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.862386] ? task_prio+0x50/0x50 [ 420.865933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.871475] ? check_preemption_disabled+0x48/0x280 [ 420.876529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.881392] apic_timer_interrupt+0xf/0x20 [ 420.885621] [ 420.887866] RIP: 0010:dump_stack+0x358/0x39d [ 420.892291] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 420.911212] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 420.918933] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 420.926213] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 420.933498] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 420.940787] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 420.948062] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 420.955363] ? dump_stack+0x34f/0x39d [ 420.959178] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.964388] dump_header+0x27b/0xf72 [ 420.968119] ? mark_held_locks+0x130/0x130 [ 420.972426] ? pagefault_out_of_memory+0x197/0x197 [ 420.977396] ? __lock_acquire+0x62f/0x4c20 [ 420.981641] ? zap_class+0x640/0x640 [ 420.985360] ? percpu_ref_get_many+0x240/0x240 [ 420.989943] ? print_usage_bug+0xc0/0xc0 [ 420.994008] ? print_usage_bug+0xc0/0xc0 [ 420.998098] ? zap_class+0x640/0x640 [ 421.001815] ? print_usage_bug+0xc0/0xc0 [ 421.005899] ? print_usage_bug+0xc0/0xc0 [ 421.009975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.015540] ? find_held_lock+0x36/0x1c0 [ 421.019618] ? mark_held_locks+0xc7/0x130 [ 421.023773] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.028888] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.034020] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 421.038609] ? trace_hardirqs_on+0xbd/0x310 [ 421.042953] ? kasan_check_read+0x11/0x20 [ 421.047129] ? ___ratelimit+0x3b4/0x672 [ 421.051141] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.056268] ? trace_hardirqs_on+0x310/0x310 [ 421.060710] ? lock_downgrade+0x900/0x900 [ 421.064875] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.069984] ? ___ratelimit+0x3b9/0x672 [ 421.073974] ? idr_get_free+0xec0/0xec0 [ 421.077953] ? find_held_lock+0x36/0x1c0 [ 421.082046] oom_kill_process.cold.27+0x10/0x903 [ 421.086806] ? zap_class+0x640/0x640 [ 421.090543] ? check_preemption_disabled+0x48/0x280 [ 421.095576] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.100513] ? kasan_check_read+0x11/0x20 [ 421.104670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.109986] ? oom_evaluate_task+0x540/0x540 [ 421.114409] ? find_held_lock+0x36/0x1c0 [ 421.118485] ? out_of_memory+0x974/0x1430 [ 421.122640] ? lock_downgrade+0x900/0x900 [ 421.126822] ? check_preemption_disabled+0x48/0x280 [ 421.131881] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.136838] ? kasan_check_read+0x11/0x20 [ 421.140997] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.146300] ? rcu_softirq_qs+0x20/0x20 [ 421.150313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.155882] ? oom_evaluate_task+0x302/0x540 [ 421.160324] out_of_memory+0xa84/0x1430 [ 421.164335] ? oom_killer_disable+0x3a0/0x3a0 [ 421.168841] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 421.173829] ? __mutex_add_waiter+0x2a0/0x2a0 [ 421.178400] __alloc_pages_slowpath+0x22d4/0x2d70 [ 421.183310] ? warn_alloc+0x120/0x120 [ 421.187145] ? rcu_softirq_qs+0x20/0x20 [ 421.191167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.196733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.202312] ? should_fail+0x22d/0xd01 [ 421.206216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.211327] ? zap_class+0x640/0x640 [ 421.215082] ? __lock_is_held+0xb5/0x140 [ 421.219159] ? mark_held_locks+0x130/0x130 [ 421.223403] ? lock_release+0xa00/0xa00 [ 421.227387] ? perf_trace_sched_process_exec+0x860/0x860 [ 421.232869] ? __might_sleep+0x95/0x190 [ 421.236859] __alloc_pages_nodemask+0xa80/0xde0 [ 421.241547] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 421.246575] ? __page_cache_alloc+0x191/0x5c0 [ 421.251078] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.256010] ? kasan_check_read+0x11/0x20 [ 421.260161] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.265445] ? zap_class+0x640/0x640 [ 421.269174] ? zap_class+0x640/0x640 [ 421.272900] ? zap_class+0x640/0x640 [ 421.276617] ? __do_page_cache_readahead+0x7ce/0x980 [ 421.281761] ? find_held_lock+0x36/0x1c0 [ 421.285855] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 421.291419] alloc_pages_current+0x173/0x350 [ 421.295849] __page_cache_alloc+0x38c/0x5c0 [ 421.300177] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.305115] ? kasan_check_read+0x11/0x20 [ 421.309266] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.314562] ? generic_perform_write+0x6a0/0x6a0 [ 421.319325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.324870] ? check_preemption_disabled+0x48/0x280 [ 421.329894] filemap_fault+0x1594/0x25f0 [ 421.333970] ? __lock_page_or_retry+0xa00/0xa00 [ 421.338642] ? mark_held_locks+0x130/0x130 [ 421.342897] ? rcu_softirq_qs+0x20/0x20 [ 421.346887] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.351995] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 421.356583] ? trace_hardirqs_on+0xbd/0x310 [ 421.360914] ? filemap_map_pages+0xe04/0x1990 [ 421.365423] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.370531] ? __free_object+0x173/0x340 [ 421.374605] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 421.379539] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.384645] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 421.389330] ? debug_object_free+0x32d/0x690 [ 421.393739] ? kasan_check_read+0x11/0x20 [ 421.397888] ? debug_object_destroy+0x2b0/0x2b0 [ 421.402561] ? lock_pi_update_atomic+0x150/0x150 [ 421.407320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.412862] ? __hrtimer_init+0xdb/0x240 [ 421.416951] ? lock_acquire+0x1ed/0x520 [ 421.420926] ? ext4_filemap_fault+0x7a/0xad [ 421.425264] ? lock_release+0xa00/0xa00 [ 421.429264] ? perf_trace_sched_process_exec+0x860/0x860 [ 421.434727] ? print_usage_bug+0xc0/0xc0 [ 421.438789] ? print_usage_bug+0xc0/0xc0 [ 421.442878] ? down_read+0x8d/0x120 [ 421.446506] ? ext4_filemap_fault+0x7a/0xad [ 421.450843] ? __down_interruptible+0x700/0x700 [ 421.455523] ext4_filemap_fault+0x82/0xad [ 421.459677] __do_fault+0x100/0x6b0 [ 421.463314] ? pmd_devmap_trans_unstable+0x220/0x220 [ 421.468891] ? mark_held_locks+0x130/0x130 [ 421.473128] ? mark_held_locks+0x130/0x130 [ 421.477879] ? debug_smp_processor_id+0x1c/0x20 [ 421.482551] ? perf_trace_lock+0x14d/0x7a0 [ 421.486822] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.492373] __handle_mm_fault+0x307c/0x5920 [ 421.496785] ? perf_trace_lock+0x7a0/0x7a0 [ 421.501075] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 421.505919] ? lock_is_held_type+0x210/0x210 [ 421.510354] ? ksys_dup3+0x680/0x680 [ 421.514085] ? zap_class+0x640/0x640 [ 421.517798] ? zap_class+0x640/0x640 [ 421.521520] ? __x64_sys_futex+0x53e/0x6a0 [ 421.525764] ? find_held_lock+0x36/0x1c0 [ 421.529843] ? handle_mm_fault+0x42a/0xc70 [ 421.534082] ? lock_downgrade+0x900/0x900 [ 421.538240] ? check_preemption_disabled+0x48/0x280 [ 421.543265] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.548223] ? kasan_check_read+0x11/0x20 [ 421.552375] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.557655] ? rcu_softirq_qs+0x20/0x20 [ 421.561636] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.566756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.572303] ? check_preemption_disabled+0x48/0x280 [ 421.577334] handle_mm_fault+0x54f/0xc70 [ 421.581405] ? __handle_mm_fault+0x5920/0x5920 [ 421.585995] ? find_vma+0x34/0x190 [ 421.589541] __do_page_fault+0x5e8/0xe60 [ 421.593600] ? trace_hardirqs_off+0xb8/0x310 [ 421.598007] ? kernel_write+0x120/0x120 [ 421.601992] do_page_fault+0xf2/0x7e0 [ 421.605793] ? vmalloc_sync_all+0x30/0x30 [ 421.609953] ? error_entry+0x70/0xd0 [ 421.613667] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.618685] ? trace_hardirqs_on_caller+0xc0/0x310 [ 421.623620] ? syscall_return_slowpath+0x5e0/0x5e0 [ 421.628561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.633407] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.638424] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.643879] ? prepare_exit_to_usermode+0x291/0x3b0 [ 421.648896] ? page_fault+0x8/0x30 [ 421.652441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.657296] ? page_fault+0x8/0x30 [ 421.660847] page_fault+0x1e/0x30 [ 421.664341] RIP: 0033:0x45ddf3 [ 421.667547] Code: Bad RIP value. [ 421.670906] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 421.676291] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 421.683564] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 421.690850] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 421.698121] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 421.705392] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 421.712689] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 421.712763] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 421.719224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.719229] Call Trace: [ 421.719250] dump_stack+0x244/0x39d [ 421.719270] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.725822] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.735321] warn_alloc.cold.117+0xb7/0x1bd [ 421.737878] syz-fuzzer cpuset= [ 421.741521] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.746688] / [ 421.756914] ? lock_downgrade+0x900/0x900 [ 421.761219] mems_allowed=0 [ 421.764413] ? trace_hardirqs_off+0xb8/0x310 [ 421.782406] ? trace_hardirqs_off+0xb8/0x310 [ 421.786825] __alloc_pages_slowpath+0x2660/0x2d70 [ 421.791699] ? warn_alloc+0x120/0x120 [ 421.795506] ? warn_alloc+0x120/0x120 [ 421.799343] ? print_usage_bug+0xc0/0xc0 [ 421.803420] ? warn_alloc+0x120/0x120 [ 421.807235] ? print_usage_bug+0xc0/0xc0 [ 421.811336] ? __lock_acquire+0x62f/0x4c20 [ 421.815572] ? __lock_acquire+0x62f/0x4c20 [ 421.819831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.825394] ? should_fail+0x22d/0xd01 [ 421.829294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.834404] ? __lock_acquire+0x62f/0x4c20 [ 421.838650] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.843753] ? __lock_acquire+0x62f/0x4c20 [ 421.847988] ? should_fail+0x22d/0xd01 [ 421.851878] ? find_held_lock+0x36/0x1c0 [ 421.855987] ? mark_held_locks+0x130/0x130 [ 421.860236] ? mark_held_locks+0x130/0x130 [ 421.864479] ? zap_class+0x640/0x640 [ 421.868193] ? zap_class+0x640/0x640 [ 421.871912] ? print_usage_bug+0xc0/0xc0 [ 421.875975] ? do_raw_spin_unlock+0xa7/0x330 [ 421.880384] ? zap_class+0x640/0x640 [ 421.884096] ? print_usage_bug+0xc0/0xc0 [ 421.888169] ? wq_watchdog_touch+0x9c/0xfe [ 421.892409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.897974] ? check_preemption_disabled+0x48/0x280 [ 421.903017] ? __lock_is_held+0xb5/0x140 [ 421.907089] __alloc_pages_nodemask+0xa80/0xde0 [ 421.911759] ? zap_class+0x640/0x640 [ 421.915479] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 421.920511] ? find_held_lock+0x36/0x1c0 [ 421.924584] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.929259] ? lock_downgrade+0x900/0x900 [ 421.933423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.938969] cache_grow_begin+0xa5/0x8c0 [ 421.943044] ? do_raw_spin_unlock+0xa7/0x330 [ 421.947487] fallback_alloc+0x204/0x2e0 [ 421.951471] ____cache_alloc_node+0x1c7/0x1e0 [ 421.955989] kmem_cache_alloc_node+0xe3/0x730 [ 421.960486] ? ipv6_get_ifaddr+0x42e/0x620 [ 421.964730] __alloc_skb+0x119/0x770 [ 421.968446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.973744] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.978163] ? lock_downgrade+0x900/0x900 [ 421.982332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.987902] ? refcount_sub_and_test_checked+0x203/0x310 [ 421.993384] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 421.998850] ? addrconf_rs_timer+0x690/0x690 [ 422.003273] ndisc_alloc_skb+0x144/0x340 [ 422.007367] ndisc_send_rs+0x331/0x6e0 [ 422.011262] addrconf_rs_timer+0x314/0x690 [ 422.015523] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.019786] call_timer_fn+0x272/0x920 [ 422.023675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.027912] ? process_timeout+0x40/0x40 [ 422.031982] ? __run_timers+0x7da/0xc70 [ 422.035961] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.040470] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.044964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.049242] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.053833] ? trace_hardirqs_on+0xbd/0x310 [ 422.058167] ? kasan_check_read+0x11/0x20 [ 422.062321] ? __run_timers+0x7da/0xc70 [ 422.066335] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.071448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.075690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.079927] __run_timers+0x7e5/0xc70 [ 422.083764] ? timer_fixup_init+0x70/0x70 [ 422.087938] ? compat_start_thread+0x80/0x80 [ 422.092375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.097917] ? _raw_spin_unlock_irq+0x60/0x80 [ 422.102416] ? finish_task_switch+0x1f4/0x910 [ 422.106911] ? finish_task_switch+0x1b4/0x910 [ 422.111409] ? __switch_to_asm+0x34/0x70 [ 422.115486] ? preempt_notifier_register+0x200/0x200 [ 422.120591] ? __switch_to_asm+0x34/0x70 [ 422.124650] ? __switch_to_asm+0x40/0x70 [ 422.128705] ? __switch_to_asm+0x34/0x70 [ 422.132766] ? __switch_to_asm+0x40/0x70 [ 422.136827] ? __switch_to_asm+0x34/0x70 [ 422.140886] ? __switch_to_asm+0x40/0x70 [ 422.144949] ? __switch_to_asm+0x40/0x70 [ 422.149021] ? pvclock_read_flags+0x160/0x160 [ 422.153518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.159057] ? check_preemption_disabled+0x48/0x280 [ 422.164084] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 422.169625] ? rcu_pm_notify+0xc0/0xc0 [ 422.173515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.179063] ? check_preemption_disabled+0x48/0x280 [ 422.184099] run_timer_softirq+0x52/0xb0 [ 422.188160] ? rcu_read_lock_sched_held+0x14f/0x180 [ 422.193192] __do_softirq+0x308/0xb7e [ 422.197001] ? retint_kernel+0x2d/0x2d [ 422.200895] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 422.206009] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.211471] ? schedule+0x108/0x460 [ 422.215120] ? __schedule+0x21d0/0x21d0 [ 422.219109] ? trace_hardirqs_off+0xb8/0x310 [ 422.223521] ? smpboot_thread_fn+0x68b/0xa00 [ 422.227936] ? trace_hardirqs_on+0x310/0x310 [ 422.232380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.237929] ? check_preemption_disabled+0x48/0x280 [ 422.242947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.248512] ? takeover_tasklets+0xa90/0xa90 [ 422.252923] run_ksoftirqd+0x5e/0x100 [ 422.256720] smpboot_thread_fn+0x68b/0xa00 [ 422.260959] ? sort_range+0x30/0x30 [ 422.264588] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.269724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.275262] ? __kthread_parkme+0xfb/0x1a0 [ 422.279513] kthread+0x35a/0x420 [ 422.282882] ? sort_range+0x30/0x30 [ 422.286512] ? kthread_stop+0x900/0x900 [ 422.290490] ret_from_fork+0x3a/0x50 [ 422.294237] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 422.294243] warn_alloc_show_mem: 1 callbacks suppressed [ 422.294250] Mem-Info: [ 422.300948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.306345] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 422.306345] active_file:13 inactive_file:12 isolated_file:0 [ 422.306345] unevictable:0 dirty:0 writeback:0 unstable:0 [ 422.306345] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 422.306345] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 422.306345] free:13679 free_pcp:387 free_cma:0 [ 422.308718] Call Trace: [ 422.318129] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 422.351365] [ 422.353959] Node 0 [ 422.381784] dump_stack+0x244/0x39d [ 422.383955] 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 [ 422.386183] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.389786] lowmem_reserve[]: 0 [ 422.415522] warn_alloc.cold.117+0xb7/0x1bd [ 422.420685] 2818 [ 422.423962] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.428255] 6321 6321 [ 422.430336] ? lock_downgrade+0x900/0x900 [ 422.437693] ? trace_hardirqs_off+0xb8/0x310 [ 422.441819] Node 0 DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 422.446298] ? trace_hardirqs_off+0xb8/0x310 [ 422.446320] __alloc_pages_slowpath+0x2660/0x2d70 [ 422.473912] lowmem_reserve[]: 0 [ 422.478360] ? warn_alloc+0x120/0x120 [ 422.483162] 0 [ 422.486452] ? warn_alloc+0x120/0x120 [ 422.490227] 3503 3503 [ 422.492040] ? print_usage_bug+0xc0/0xc0 [ 422.498319] ? warn_alloc+0x120/0x120 [ 422.502367] Node 0 [ 422.506165] ? print_usage_bug+0xc0/0xc0 [ 422.506196] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 422.506204] lowmem_reserve[]: [ 422.508444] ? __lock_acquire+0x62f/0x4c20 [ 422.512485] 0 [ 422.541212] ? __lock_acquire+0x62f/0x4c20 [ 422.544317] 0 [ 422.548570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.550355] 0 [ 422.554589] ? should_fail+0x22d/0xd01 [ 422.556365] 0 [ 422.561928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.563713] Node 0 [ 422.567597] ? __lock_acquire+0x62f/0x4c20 [ 422.569382] DMA: [ 422.574511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.576727] 1*4kB [ 422.580981] ? __lock_acquire+0x62f/0x4c20 [ 422.583044] (U) [ 422.588155] ? should_fail+0x22d/0xd01 [ 422.590296] 0*8kB [ 422.594526] ? find_held_lock+0x36/0x1c0 [ 422.596490] 0*16kB [ 422.600394] ? mark_held_locks+0x130/0x130 [ 422.602522] 1*32kB [ 422.606576] ? mark_held_locks+0x130/0x130 [ 422.608794] (U) [ 422.613052] ? zap_class+0x640/0x640 [ 422.613068] ? zap_class+0x640/0x640 [ 422.615302] 2*64kB [ 422.619542] ? print_usage_bug+0xc0/0xc0 [ 422.621513] (U) [ 422.625222] ? do_raw_spin_unlock+0xa7/0x330 [ 422.628914] 1*128kB [ 422.631143] ? zap_class+0x640/0x640 [ 422.635174] (U) 1*256kB [ 422.637171] ? print_usage_bug+0xc0/0xc0 [ 422.641560] (U) [ 422.643885] ? wq_watchdog_touch+0x9c/0xfe [ 422.647580] 0*512kB [ 422.650257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.654294] 1*1024kB (U) [ 422.656276] ? check_preemption_disabled+0x48/0x280 [ 422.660504] 1*2048kB [ 422.662845] ? __lock_is_held+0xb5/0x140 [ 422.668363] (M) [ 422.671154] __alloc_pages_nodemask+0xa80/0xde0 [ 422.676143] 3*4096kB [ 422.678559] ? zap_class+0x640/0x640 [ 422.682596] (M) = 15908kB [ 422.684583] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 422.689245] Node 0 [ 422.691663] ? find_held_lock+0x36/0x1c0 [ 422.695355] DMA32: [ 422.698121] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.703113] 5*4kB [ 422.705364] ? lock_downgrade+0x900/0x900 [ 422.709408] (M) [ 422.711648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.716292] 1*8kB (U) [ 422.718465] cache_grow_begin+0xa5/0x8c0 [ 422.722592] 4*16kB [ 422.724566] ? do_raw_spin_unlock+0xa7/0x330 [ 422.730081] (M) [ 422.732580] fallback_alloc+0x204/0x2e0 [ 422.736619] 2*32kB [ 422.738862] ____cache_alloc_node+0x1c7/0x1e0 [ 422.743248] (M) [ 422.745224] kmem_cache_alloc_node+0xe3/0x730 [ 422.749176] 4*64kB [ 422.751412] ? ipv6_get_ifaddr+0x42e/0x620 [ 422.755877] (UM) 3*128kB [ 422.757868] __alloc_skb+0x119/0x770 [ 422.762345] (M) [ 422.764583] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.768793] 4*256kB [ 422.771547] ? netdev_alloc_frag+0x1f0/0x1f0 [ 422.775236] (UM) [ 422.777215] ? lock_downgrade+0x900/0x900 [ 422.782470] 3*512kB [ 422.784808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.789195] (M) [ 422.791259] ? refcount_sub_and_test_checked+0x203/0x310 [ 422.795379] 3*1024kB [ 422.797701] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 422.803225] (UM) [ 422.805225] ? addrconf_rs_timer+0x690/0x690 [ 422.810656] 3*2048kB [ 422.813071] ndisc_alloc_skb+0x144/0x340 [ 422.818495] (UM) [ 422.820562] ndisc_send_rs+0x331/0x6e0 [ 422.824952] 3*4096kB [ 422.827364] addrconf_rs_timer+0x314/0x690 [ 422.831402] (M) [ 422.833477] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.837352] = 24860kB [ 422.839770] call_timer_fn+0x272/0x920 [ 422.843977] Node 0 [ 422.845958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.850178] Normal: [ 422.852603] ? process_timeout+0x40/0x40 [ 422.856467] 767*4kB [ 422.858706] ? mark_held_locks+0xc7/0x130 [ 422.862946] (UME) [ 422.865269] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.869317] 454*8kB (ME) [ 422.871647] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.875772] 185*16kB [ 422.877917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.882391] (UME) [ 422.885147] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.889627] 80*32kB [ 422.892033] ? trace_hardirqs_on+0xbd/0x310 [ 422.896243] (UME) [ 422.898393] ? kasan_check_read+0x11/0x20 [ 422.902974] 22*64kB [ 422.905353] ? __run_timers+0x7da/0xc70 [ 422.909652] (M) [ 422.911799] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.915923] 1*128kB [ 422.918245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.922220] (U) [ 422.924207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.929298] 1*256kB [ 422.931621] __run_timers+0x7e5/0xc70 [ 422.935836] (U) [ 422.937820] ? timer_fixup_init+0x70/0x70 [ 422.942036] 0*512kB [ 422.944372] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.948168] 0*1024kB 0*2048kB [ 422.950176] ? zap_class+0x640/0x640 [ 422.954312] 0*4096kB [ 422.956635] ? print_usage_bug+0xc0/0xc0 [ 422.961626] = 14012kB [ 422.961641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 422.964835] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.968538] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 422.970945] ? find_held_lock+0x36/0x1c0 [ 422.974988] 163 total pagecache pages [ 422.977394] ? zap_class+0x640/0x640 [ 422.986221] 0 pages in swap cache [ 422.991415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.999985] Swap cache stats: add 0, delete 0, find 0/0 [ 423.004052] ? check_preemption_disabled+0x48/0x280 [ 423.007828] Free swap = 0kB [ 423.007839] Total swap = 0kB [ 423.011553] ? __lock_is_held+0xb5/0x140 [ 423.014980] 1965979 pages RAM [ 423.020515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.025872] 0 pages HighMem/MovableOnly [ 423.030887] ? check_preemption_disabled+0x48/0x280 [ 423.033883] 342867 pages reserved [ 423.036920] run_timer_softirq+0x52/0xb0 [ 423.040982] 0 pages cma reserved [ 423.044117] ? rcu_read_lock_sched_held+0x14f/0x180 [ 423.049714] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 423.053612] __do_softirq+0x308/0xb7e [ 423.058699] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.062069] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 423.066123] ksoftirqd/0 cpuset= [ 423.069503] ? lock_downgrade+0x900/0x900 [ 423.074499] / [ 423.081003] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 423.084788] mems_allowed=0 [ 423.095101] ? pvclock_read_flags+0x160/0x160 [ 423.121201] ? lapic_next_event+0x5a/0x90 [ 423.125370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.130940] ? kvm_clock_read+0x18/0x30 [ 423.134928] ? kvm_sched_clock_read+0x9/0x20 [ 423.139340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.144910] ? check_preemption_disabled+0x48/0x280 [ 423.149939] irq_exit+0x17f/0x1c0 [ 423.153397] smp_apic_timer_interrupt+0x1cb/0x760 [ 423.158238] ? smp_reschedule_interrupt+0x109/0x650 [ 423.163258] ? smp_call_function_single_interrupt+0x650/0x650 [ 423.169155] ? interrupt_entry+0xb5/0xc0 [ 423.173222] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.178276] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.183335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.188192] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.193209] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.198224] ? task_prio+0x50/0x50 [ 423.201781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.207325] ? check_preemption_disabled+0x48/0x280 [ 423.212355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.217212] apic_timer_interrupt+0xf/0x20 [ 423.221442] [ 423.223703] RIP: 0010:dump_stack+0x358/0x39d [ 423.228115] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 423.247017] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 423.254727] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 423.261993] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 423.269279] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 423.276558] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 423.283847] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 423.291133] ? dump_stack+0x34f/0x39d [ 423.294951] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.300179] dump_header+0x27b/0xf72 [ 423.303908] ? mark_held_locks+0x130/0x130 [ 423.308163] ? pagefault_out_of_memory+0x197/0x197 [ 423.313106] ? __lock_acquire+0x62f/0x4c20 [ 423.317341] ? zap_class+0x640/0x640 [ 423.321083] ? percpu_ref_get_many+0x240/0x240 [ 423.325675] ? print_usage_bug+0xc0/0xc0 [ 423.329752] ? print_usage_bug+0xc0/0xc0 [ 423.333819] ? zap_class+0x640/0x640 [ 423.337550] ? print_usage_bug+0xc0/0xc0 [ 423.341617] ? print_usage_bug+0xc0/0xc0 [ 423.345692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.351236] ? find_held_lock+0x36/0x1c0 [ 423.355358] ? mark_held_locks+0xc7/0x130 [ 423.359518] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.364626] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.369763] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 423.374376] ? trace_hardirqs_on+0xbd/0x310 [ 423.378698] ? kasan_check_read+0x11/0x20 [ 423.382854] ? ___ratelimit+0x3b4/0x672 [ 423.386844] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.391960] ? trace_hardirqs_on+0x310/0x310 [ 423.396389] ? lock_downgrade+0x900/0x900 [ 423.400546] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.405650] ? ___ratelimit+0x3b9/0x672 [ 423.409647] ? idr_get_free+0xec0/0xec0 [ 423.413627] ? find_held_lock+0x36/0x1c0 [ 423.417727] oom_kill_process.cold.27+0x10/0x903 [ 423.422486] ? zap_class+0x640/0x640 [ 423.426202] ? check_preemption_disabled+0x48/0x280 [ 423.431229] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.436161] ? kasan_check_read+0x11/0x20 [ 423.440330] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.445612] ? oom_evaluate_task+0x540/0x540 [ 423.450041] ? find_held_lock+0x36/0x1c0 [ 423.454112] ? out_of_memory+0x974/0x1430 [ 423.458306] ? lock_downgrade+0x900/0x900 [ 423.462468] ? check_preemption_disabled+0x48/0x280 [ 423.467985] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.472934] ? kasan_check_read+0x11/0x20 [ 423.477088] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.482369] ? rcu_softirq_qs+0x20/0x20 [ 423.486353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.491904] ? oom_evaluate_task+0x302/0x540 [ 423.496350] out_of_memory+0xa84/0x1430 [ 423.500335] ? oom_killer_disable+0x3a0/0x3a0 [ 423.504838] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 423.509773] ? __mutex_add_waiter+0x2a0/0x2a0 [ 423.514281] __alloc_pages_slowpath+0x22d4/0x2d70 [ 423.519180] ? warn_alloc+0x120/0x120 [ 423.522983] ? rcu_softirq_qs+0x20/0x20 [ 423.526979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.532521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.538058] ? should_fail+0x22d/0xd01 [ 423.541950] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.547066] ? zap_class+0x640/0x640 [ 423.550804] ? __lock_is_held+0xb5/0x140 [ 423.554878] ? mark_held_locks+0x130/0x130 [ 423.559152] ? lock_release+0xa00/0xa00 [ 423.563126] ? perf_trace_sched_process_exec+0x860/0x860 [ 423.568602] ? __might_sleep+0x95/0x190 [ 423.572584] __alloc_pages_nodemask+0xa80/0xde0 [ 423.577271] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 423.582307] ? __page_cache_alloc+0x191/0x5c0 [ 423.586805] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.591742] ? kasan_check_read+0x11/0x20 [ 423.595895] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.601175] ? zap_class+0x640/0x640 [ 423.604898] ? zap_class+0x640/0x640 [ 423.608612] ? zap_class+0x640/0x640 [ 423.612328] ? __do_page_cache_readahead+0x7ce/0x980 [ 423.617439] ? find_held_lock+0x36/0x1c0 [ 423.621508] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 423.627053] alloc_pages_current+0x173/0x350 [ 423.631472] __page_cache_alloc+0x38c/0x5c0 [ 423.635798] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.640735] ? kasan_check_read+0x11/0x20 [ 423.644883] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.650163] ? generic_perform_write+0x6a0/0x6a0 [ 423.654936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.660507] ? check_preemption_disabled+0x48/0x280 [ 423.665535] filemap_fault+0x1594/0x25f0 [ 423.669611] ? __lock_page_or_retry+0xa00/0xa00 [ 423.674305] ? mark_held_locks+0x130/0x130 [ 423.678548] ? rcu_softirq_qs+0x20/0x20 [ 423.682546] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.687668] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 423.692259] ? trace_hardirqs_on+0xbd/0x310 [ 423.696596] ? filemap_map_pages+0xe04/0x1990 [ 423.701104] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.706215] ? __free_object+0x173/0x340 [ 423.710280] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 423.715220] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.720331] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 423.725016] ? debug_object_free+0x32d/0x690 [ 423.729423] ? kasan_check_read+0x11/0x20 [ 423.733574] ? debug_object_destroy+0x2b0/0x2b0 [ 423.738245] ? lock_pi_update_atomic+0x150/0x150 [ 423.743001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.748566] ? __hrtimer_init+0xdb/0x240 [ 423.752647] ? lock_acquire+0x1ed/0x520 [ 423.756622] ? ext4_filemap_fault+0x7a/0xad [ 423.760950] ? lock_release+0xa00/0xa00 [ 423.764923] ? perf_trace_sched_process_exec+0x860/0x860 [ 423.770379] ? print_usage_bug+0xc0/0xc0 [ 423.774471] ? print_usage_bug+0xc0/0xc0 [ 423.778547] ? down_read+0x8d/0x120 [ 423.782191] ? ext4_filemap_fault+0x7a/0xad [ 423.786532] ? __down_interruptible+0x700/0x700 [ 423.791216] ext4_filemap_fault+0x82/0xad [ 423.795369] __do_fault+0x100/0x6b0 [ 423.799004] ? pmd_devmap_trans_unstable+0x220/0x220 [ 423.804125] ? mark_held_locks+0x130/0x130 [ 423.808383] ? mark_held_locks+0x130/0x130 [ 423.812641] ? debug_smp_processor_id+0x1c/0x20 [ 423.817321] ? perf_trace_lock+0x14d/0x7a0 [ 423.821562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.827106] __handle_mm_fault+0x307c/0x5920 [ 423.831517] ? perf_trace_lock+0x7a0/0x7a0 [ 423.835762] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 423.840606] ? lock_is_held_type+0x210/0x210 [ 423.845021] ? ksys_dup3+0x680/0x680 [ 423.848750] ? zap_class+0x640/0x640 [ 423.852464] ? zap_class+0x640/0x640 [ 423.856195] ? __x64_sys_futex+0x53e/0x6a0 [ 423.860458] ? find_held_lock+0x36/0x1c0 [ 423.864547] ? handle_mm_fault+0x42a/0xc70 [ 423.868787] ? lock_downgrade+0x900/0x900 [ 423.872952] ? check_preemption_disabled+0x48/0x280 [ 423.877978] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.882911] ? kasan_check_read+0x11/0x20 [ 423.887061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.892365] ? rcu_softirq_qs+0x20/0x20 [ 423.896346] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.901469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.907019] ? check_preemption_disabled+0x48/0x280 [ 423.912045] handle_mm_fault+0x54f/0xc70 [ 423.916109] ? __handle_mm_fault+0x5920/0x5920 [ 423.920699] ? find_vma+0x34/0x190 [ 423.924244] __do_page_fault+0x5e8/0xe60 [ 423.928326] ? trace_hardirqs_off+0xb8/0x310 [ 423.932748] ? kernel_write+0x120/0x120 [ 423.936786] do_page_fault+0xf2/0x7e0 [ 423.940620] ? vmalloc_sync_all+0x30/0x30 [ 423.944784] ? error_entry+0x70/0xd0 [ 423.948517] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.953536] ? trace_hardirqs_on_caller+0xc0/0x310 [ 423.958470] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.963411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.968255] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.973291] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.978761] ? prepare_exit_to_usermode+0x291/0x3b0 [ 423.983787] ? page_fault+0x8/0x30 [ 423.987380] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.992228] ? page_fault+0x8/0x30 [ 423.995809] page_fault+0x1e/0x30 [ 423.999267] RIP: 0033:0x45ddf3 [ 424.002482] Code: Bad RIP value. [ 424.005846] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 424.011228] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 424.018496] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 424.025776] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 424.033048] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 424.040335] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 424.047633] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 424.047665] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 424.054150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.054159] Call Trace: [ 424.069758] dump_stack+0x244/0x39d [ 424.072557] rcu: 0-...!: (504 ticks this GP) idle=c5e/1/0x4000000000000000 softirq=11763/11772 fqs=548 [ 424.075963] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.075990] warn_alloc.cold.117+0xb7/0x1bd [ 424.076005] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.076024] ? lock_downgrade+0x900/0x900 [ 424.076059] ? trace_hardirqs_off+0xb8/0x310 [ 424.076090] ? trace_hardirqs_off+0xb8/0x310 [ 424.076123] __alloc_pages_slowpath+0x2660/0x2d70 [ 424.076163] ? warn_alloc+0x120/0x120 [ 424.085984] rcu: [ 424.091182] ? warn_alloc+0x120/0x120 [ 424.095503] (detected by 1, t=10625 jiffies, g=13497, q=11) [ 424.100350] ? print_usage_bug+0xc0/0xc0 [ 424.104484] Sending NMI from CPU 1 to CPUs 0: [ 424.108887] ? warn_alloc+0x120/0x120 [ 424.115477] NMI backtrace for cpu 0 [ 424.115484] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 424.115491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.115496] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 424.115508] Code: 14 dd 28 00 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 <55> 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 e8 cb [ 424.115513] RSP: 0000:ffff8801d9aae2d0 EFLAGS: 00000002 [ 424.115534] RAX: 0000000000000007 RBX: 000000000000000f RCX: dffffc0000000000 [ 424.115540] RDX: 0000000000000006 RSI: ffffffff87c2348b RDI: 0000000000000001 [ 424.115546] RBP: ffff8801d9aae3a8 R08: ffff8801d9aa0240 R09: ffffed003b355c90 [ 424.115552] R10: ffffed003b355c90 R11: 0000000000000003 R12: ffffffff882be26e [ 424.115557] R13: 0000000000000000 R14: ffffffff882be26e R15: ffff8801d9aae380 [ 424.115564] FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 424.115569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 424.115575] CR2: 00007f0ff172de40 CR3: 00000001bd6a1000 CR4: 00000000001406f0 [ 424.115581] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 424.115587] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 [ 424.115590] Call Trace: [ 424.115594] ? vsnprintf+0x162/0x1b60 [ 424.115598] ? pointer+0x990/0x990 [ 424.115602] snprintf+0xae/0xe0 [ 424.115605] ? vsprintf+0x40/0x40 [ 424.115609] ? lock_acquire+0x1ed/0x520 [ 424.115613] print_prefix+0x38e/0x3f0 [ 424.115617] msg_print_text+0x83/0x1d0 [ 424.115621] console_unlock+0x4d3/0x1160 [ 424.115626] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 424.115630] ? lock_release+0xa00/0xa00 [ 424.115634] ? trace_hardirqs_off+0xb8/0x310 [ 424.115638] ? do_raw_spin_trylock+0x270/0x270 [ 424.115654] ? trace_hardirqs_on+0x310/0x310 [ 424.115659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.115663] vprintk_emit+0x33d/0x930 [ 424.115666] ? wake_up_klogd+0x180/0x180 [ 424.115671] ? find_held_lock+0x36/0x1c0 [ 424.115675] ? is_bpf_text_address+0xac/0x170 [ 424.115692] ? lock_downgrade+0x900/0x900 [ 424.115697] ? check_preemption_disabled+0x48/0x280 [ 424.115700] vprintk_default+0x28/0x30 [ 424.115704] vprintk_func+0x7e/0x181 [ 424.115708] ? unwind_dump+0x190/0x190 [ 424.115712] printk+0xa7/0xcf [ 424.115716] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 424.115720] ? is_bpf_text_address+0xd3/0x170 [ 424.115724] ? warn_alloc+0x120/0x120 [ 424.115729] show_trace_log_lvl+0x23a/0x28c [ 424.115732] ? warn_alloc+0x120/0x120 [ 424.115737] ? __alloc_pages_nodemask+0xa80/0xde0 [ 424.115740] show_stack+0x38/0x3a [ 424.115744] dump_stack+0x244/0x39d [ 424.115749] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.115753] warn_alloc.cold.117+0xb7/0x1bd [ 424.115774] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.115778] ? lock_downgrade+0x900/0x900 [ 424.115782] ? trace_hardirqs_off+0xb8/0x310 [ 424.115786] ? trace_hardirqs_off+0xb8/0x310 [ 424.115790] __alloc_pages_slowpath+0x2660/0x2d70 [ 424.115794] ? warn_alloc+0x120/0x120 [ 424.115798] ? warn_alloc+0x120/0x120 [ 424.115802] ? print_usage_bug+0xc0/0xc0 [ 424.115806] ? warn_alloc+0x120/0x120 [ 424.115810] ? print_usage_bug+0xc0/0xc0 [ 424.115814] ? __lock_acquire+0x62f/0x4c20 [ 424.115818] ? __lock_acquire+0x62f/0x4c20 [ 424.115823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.115834] ? should_fail+0x22d/0xd01 [ 424.115839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.115843] ? __lock_acquire+0x62f/0x4c20 [ 424.115847] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.115851] ? __lock_acquire+0x62f/0x4c20 [ 424.115855] ? should_fail+0x22d/0xd01 [ 424.115859] ? find_held_lock+0x36/0x1c0 [ 424.115863] ? mark_held_locks+0x130/0x130 [ 424.115867] ? mark_held_locks+0x130/0x130 [ 424.115871] ? zap_class+0x640/0x640 [ 424.115875] ? mark_held_locks+0xc7/0x130 [ 424.115879] ? do_raw_spin_unlock+0xa7/0x330 [ 424.115883] ? zap_class+0x640/0x640 [ 424.115887] ? print_usage_bug+0xc0/0xc0 [ 424.115892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.115896] ? check_preemption_disabled+0x48/0x280 [ 424.115901] ? __lock_is_held+0xb5/0x140 [ 424.115905] __alloc_pages_nodemask+0xa80/0xde0 [ 424.115909] ? zap_class+0x640/0x640 [ 424.115913] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 424.115916] ? find_held_lock+0x36/0x1c0 [ 424.115921] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.115925] ? lock_downgrade+0x900/0x900 [ 424.115930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.115934] cache_grow_begin+0xa5/0x8c0 [ 424.115938] ? do_raw_spin_unlock+0xa7/0x330 [ 424.115942] fallback_alloc+0x204/0x2e0 [ 424.115946] ____cache_alloc_node+0x1c7/0x1e0 [ 424.115950] kmem_cache_alloc_node+0xe3/0x730 [ 424.115954] ? ipv6_get_ifaddr+0x42e/0x620 [ 424.115958] __alloc_skb+0x119/0x770 [ 424.115963] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.115967] ? netdev_alloc_frag+0x1f0/0x1f0 [ 424.115971] ? lock_downgrade+0x900/0x900 [ 424.115976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.115981] ? refcount_sub_and_test_checked+0x203/0x310 [ 424.115985] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 424.115990] ? addrconf_rs_timer+0x690/0x690 [ 424.115994] ndisc_alloc_skb+0x144/0x340 [ 424.115998] ndisc_send_rs+0x331/0x6e0 [ 424.116002] addrconf_rs_timer+0x314/0x690 [ 424.116005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.116009] call_timer_fn+0x272/0x920 [ 424.116013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.116017] ? process_timeout+0x40/0x40 [ 424.116021] ? __run_timers+0x7da/0xc70 [ 424.116025] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.116030] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.116034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.116038] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.116042] ? trace_hardirqs_on+0xbd/0x310 [ 424.116046] ? kasan_check_read+0x11/0x20 [ 424.116050] ? __run_timers+0x7da/0xc70 [ 424.116055] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.116059] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.116063] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.116067] __run_timers+0x7e5/0xc70 [ 424.116071] ? timer_fixup_init+0x70/0x70 [ 424.116075] ? compat_start_thread+0x80/0x80 [ 424.116096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.116101] ? _raw_spin_unlock_irq+0x60/0x80 [ 424.116105] ? finish_task_switch+0x1f4/0x910 [ 424.116109] ? finish_task_switch+0x1b4/0x910 [ 424.116113] ? __switch_to_asm+0x34/0x70 [ 424.116118] ? preempt_notifier_register+0x200/0x200 [ 424.116122] ? __switch_to_asm+0x34/0x70 [ 424.116126] ? __switch_to_asm+0x40/0x70 [ 424.116130] ? __switch_to_asm+0x34/0x70 [ 424.116135] ? __switch_to_asm+0x40/0x70 [ 424.116139] ? __switch_to_asm+0x34/0x70 [ 424.116143] ? __switch_to_asm+0x40/0x70 [ 424.116147] ? __switch_to_asm+0x40/0x70 [ 424.116151] ? pvclock_read_flags+0x160/0x160 [ 424.116156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.116161] ? check_preemption_disabled+0x48/0x280 [ 424.116166] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 424.116170] ? rcu_pm_notify+0xc0/0xc0 [ 424.116175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.116179] ? check_preemption_disabled+0x48/0x280 [ 424.116183] run_timer_softirq+0x52/0xb0 [ 424.116189] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.116193] __do_softirq+0x308/0xb7e [ 424.116197] ? retint_kernel+0x2d/0x2d [ 424.116201] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.116206] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.116210] ? schedule+0x108/0x460 [ 424.116214] ? __schedule+0x21d0/0x21d0 [ 424.116218] ? trace_hardirqs_off+0xb8/0x310 [ 424.116223] ? smpboot_thread_fn+0x68b/0xa00 [ 424.116227] ? trace_hardirqs_on+0x310/0x310 [ 424.116232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.116237] ? check_preemption_disabled+0x48/0x280 [ 424.116242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.116247] ? takeover_tasklets+0xa90/0xa90 [ 424.116251] run_ksoftirqd+0x5e/0x100 [ 424.116255] smpboot_thread_fn+0x68b/0xa00 [ 424.116259] ? sort_range+0x30/0x30 [ 424.116263] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.116268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.116272] ? __kthread_parkme+0xfb/0x1a0 [ 424.116276] kthread+0x35a/0x420 [ 424.116280] ? sort_range+0x30/0x30 [ 424.116294] ? kthread_stop+0x900/0x900 [ 424.116298] ret_from_fork+0x3a/0x50 [ 424.116318] rcu: rcu_preempt kthread starved for 8222 jiffies! g13497 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 424.120140] ? print_usage_bug+0xc0/0xc0 [ 424.123929] rcu: RCU grace-period kthread stack dump: [ 424.126094] ? __lock_acquire+0x62f/0x4c20 [ 424.129877] rcu_preempt R [ 424.135587] ? __lock_acquire+0x62f/0x4c20 [ 424.139617] running task 23224 10 2 0x80000000 [ 424.144138] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.147942] Call Trace: [ 424.151570] ? should_fail+0x22d/0xd01 [ 424.158061] __schedule+0x8cf/0x21d0 [ 424.167410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.172769] ? __sched_text_start+0x8/0x8 [ 424.191673] ? __lock_acquire+0x62f/0x4c20 [ 424.197041] ? add_timer_on+0xa20/0xa20 [ 424.204311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.211591] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.218852] ? __lock_acquire+0x62f/0x4c20 [ 424.226114] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.233372] ? should_fail+0x22d/0xd01 [ 424.241604] ? trace_hardirqs_on+0xbd/0x310 [ 424.247475] ? find_held_lock+0x36/0x1c0 [ 424.254739] ? kasan_check_read+0x11/0x20 [ 424.262001] ? mark_held_locks+0x130/0x130 [ 424.269262] ? prepare_to_swait_event+0x25a/0x800 [ 424.271847] ? mark_held_locks+0x130/0x130 [ 424.275638] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.279166] ? zap_class+0x640/0x640 [ 424.282441] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.285881] ? mark_held_locks+0xc7/0x130 [ 424.289859] schedule+0xfe/0x460 [ 424.293639] ? do_raw_spin_unlock+0xa7/0x330 [ 424.297517] ? __schedule+0x21d0/0x21d0 [ 424.301583] ? zap_class+0x640/0x640 [ 424.306244] ? prepare_to_swait_event+0x25a/0x800 [ 424.310204] ? print_usage_bug+0xc0/0xc0 [ 424.314608] ? __init_swait_queue_head+0x150/0x150 [ 424.319177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.323572] ? __lockdep_init_map+0x105/0x590 [ 424.329096] ? check_preemption_disabled+0x48/0x280 [ 424.332886] ? lockdep_init_map+0x9/0x10 [ 424.336939] ? __lock_is_held+0xb5/0x140 [ 424.340984] schedule_timeout+0x140/0x260 [ 424.345484] __alloc_pages_nodemask+0xa80/0xde0 [ 424.349616] ? usleep_range+0x1a0/0x1a0 [ 424.354636] ? zap_class+0x640/0x640 [ 424.358622] ? __next_timer_interrupt+0x1a0/0x1a0 [ 424.362350] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 424.366254] rcu_gp_fqs_loop+0x762/0xa80 [ 424.369352] ? find_held_lock+0x36/0x1c0 [ 424.374087] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 424.378575] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.382387] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.386695] ? lock_downgrade+0x900/0x900 [ 424.390494] ? perf_trace_sched_process_exec+0x860/0x860 [ 424.395336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.398767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.402387] cache_grow_begin+0xa5/0x8c0 [ 424.407581] ? rcu_gp_init+0x90b/0x1260 [ 424.411886] ? do_raw_spin_unlock+0xa7/0x330 [ 424.416718] ? __switch_to_asm+0x40/0x70 [ 424.420856] fallback_alloc+0x204/0x2e0 [ 424.425269] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 424.429675] ____cache_alloc_node+0x1c7/0x1e0 [ 424.434504] ? __switch_to_asm+0x40/0x70 [ 424.438309] kmem_cache_alloc_node+0xe3/0x730 [ 424.442099] ? find_held_lock+0x36/0x1c0 [ 424.446153] ? ipv6_get_ifaddr+0x42e/0x620 [ 424.449950] ? zap_class+0x640/0x640 [ 424.454004] __alloc_skb+0x119/0x770 [ 424.458238] ? prepare_to_swait_event+0x25a/0x800 [ 424.462461] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.468000] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.471877] ? netdev_alloc_frag+0x1f0/0x1f0 [ 424.476983] ? find_held_lock+0x36/0x1c0 [ 424.481225] ? lock_downgrade+0x900/0x900 [ 424.486326] ? finish_swait+0x25d/0x430 [ 424.490555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.494428] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.498482] ? refcount_sub_and_test_checked+0x203/0x310 [ 424.502717] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.506964] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 424.510686] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 424.514833] ? addrconf_rs_timer+0x690/0x690 [ 424.519236] ? trace_hardirqs_on+0xbd/0x310 [ 424.522945] ndisc_alloc_skb+0x144/0x340 [ 424.526988] ? kasan_check_read+0x11/0x20 [ 424.532527] ndisc_send_rs+0x331/0x6e0 [ 424.537548] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.541599] addrconf_rs_timer+0x314/0x690 [ 424.546257] ? __init_swait_queue_head+0x150/0x150 [ 424.549958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.554991] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.559046] call_timer_fn+0x272/0x920 [ 424.563693] ? finish_swait+0x25d/0x430 [ 424.567828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.573365] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 424.577462] ? process_timeout+0x40/0x40 [ 424.581857] ? swake_up_locked+0x360/0x360 [ 424.585824] ? __run_timers+0x7da/0xc70 [ 424.590318] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.594809] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.599037] ? perf_trace_sched_process_exec+0x860/0x860 [ 424.602740] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.608002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.612395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.616559] rcu_gp_kthread+0x341/0xc70 [ 424.622081] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.627538] ? rcu_gp_init+0x1260/0x1260 [ 424.632982] ? trace_hardirqs_on+0xbd/0x310 [ 424.637384] ? mark_held_locks+0x130/0x130 [ 424.641433] ? kasan_check_read+0x11/0x20 [ 424.645326] ? __schedule+0x168a/0x21d0 [ 424.649583] ? __run_timers+0x7da/0xc70 [ 424.653808] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.657686] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.661910] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 424.665955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.669937] ? trace_hardirqs_on+0xbd/0x310 [ 424.674421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.678919] ? kasan_check_read+0x11/0x20 [ 424.683143] __run_timers+0x7e5/0xc70 [ 424.687716] ? __schedule+0x168a/0x21d0 [ 424.692034] ? timer_fixup_init+0x70/0x70 [ 424.696164] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.700130] ? compat_start_thread+0x80/0x80 [ 424.705232] ? lock_pin_lock+0x350/0x350 [ 424.709457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.713699] ? _raw_spin_unlock_irq+0x60/0x80 [ 424.717483] ? _raw_spin_unlock_irq+0x60/0x80 [ 424.721627] ? __schedule+0x168a/0x21d0 [ 424.726030] ? finish_task_switch+0x1f4/0x910 [ 424.731560] ? __switch_to_asm+0x40/0x70 [ 424.736060] ? finish_task_switch+0x1b4/0x910 [ 424.740545] ? __switch_to_asm+0x40/0x70 [ 424.745039] ? __switch_to_asm+0x34/0x70 [ 424.749099] ? __ia32_sys_membarrier+0xb1/0x150 [ 424.754194] ? preempt_notifier_register+0x200/0x200 [ 424.758249] ? __sched_text_start+0x8/0x8 [ 424.762311] ? __switch_to_asm+0x34/0x70 [ 424.766380] ? find_held_lock+0x36/0x1c0 [ 424.770453] ? __switch_to_asm+0x40/0x70 [ 424.774515] ? __kthread_parkme+0xce/0x1a0 [ 424.778561] ? __switch_to_asm+0x34/0x70 [ 424.782633] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.787113] ? __switch_to_asm+0x40/0x70 [ 424.792637] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.797648] ? __switch_to_asm+0x34/0x70 [ 424.803188] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 424.807075] ? __switch_to_asm+0x40/0x70 [ 424.812601] ? trace_hardirqs_on+0xbd/0x310 [ 424.817607] ? __switch_to_asm+0x40/0x70 [ 424.821657] ? kasan_check_read+0x11/0x20 [ 424.826668] ? pvclock_read_flags+0x160/0x160 [ 424.830457] ? __kthread_parkme+0xce/0x1a0 [ 424.834335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.839419] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.844870] ? check_preemption_disabled+0x48/0x280 [ 424.848504] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.852472] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 424.856876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.861309] ? rcu_pm_notify+0xc0/0xc0 [ 424.865722] ? __kthread_parkme+0xfb/0x1a0 [ 424.871269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.876324] kthread+0x35a/0x420 [ 424.881851] ? check_preemption_disabled+0x48/0x280 [ 424.886247] ? rcu_gp_init+0x1260/0x1260 [ 424.890035] run_timer_softirq+0x52/0xb0 [ 424.894260] ? kthread_stop+0x900/0x900 [ 424.897874] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.902967] ret_from_fork+0x3a/0x50 [ 424.908524] __do_softirq+0x308/0xb7e [ 424.913091] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 424.916104] ? retint_kernel+0x2d/0x2d [ 424.919797] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.923680] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.927407] syz-fuzzer cpuset= [ 424.937798] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.937818] ? schedule+0x108/0x460 [ 424.941863] / [ 424.947053] ? __schedule+0x21d0/0x21d0 [ 424.951273] mems_allowed=0 [ 424.954384] ? trace_hardirqs_off+0xb8/0x310 [ 425.746752] ? smpboot_thread_fn+0x68b/0xa00 [ 425.751165] ? trace_hardirqs_on+0x310/0x310 [ 425.755577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.761141] ? check_preemption_disabled+0x48/0x280 [ 425.766172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.771729] ? takeover_tasklets+0xa90/0xa90 [ 425.776159] run_ksoftirqd+0x5e/0x100 [ 425.779971] smpboot_thread_fn+0x68b/0xa00 [ 425.784212] ? sort_range+0x30/0x30 [ 425.787853] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.792959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.798500] ? __kthread_parkme+0xfb/0x1a0 [ 425.802746] kthread+0x35a/0x420 [ 425.806114] ? sort_range+0x30/0x30 [ 425.809744] ? kthread_stop+0x900/0x900 [ 425.813719] ret_from_fork+0x3a/0x50 [ 425.817463] warn_alloc_show_mem: 1 callbacks suppressed [ 425.817475] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 425.817477] Mem-Info: [ 425.817509] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 425.817509] active_file:13 inactive_file:12 isolated_file:0 [ 425.817509] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.817509] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 425.817509] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 425.817509] free:13679 free_pcp:387 free_cma:0 [ 425.822855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.829529] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 425.831942] Call Trace: [ 425.864810] Node 0 [ 425.874169] [ 425.901678] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 425.904248] dump_stack+0x244/0x39d [ 425.906485] lowmem_reserve[]: [ 425.908646] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.934122] 0 2818 [ 425.937770] warn_alloc.cold.117+0xb7/0x1bd [ 425.940843] 6321 [ 425.946039] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.948260] 6321 [ 425.952585] ? lock_downgrade+0x900/0x900 [ 425.959466] ? trace_hardirqs_off+0xb8/0x310 [ 425.961509] Node 0 [ 425.965656] ? trace_hardirqs_off+0xb8/0x310 [ 425.970067] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 425.972293] __alloc_pages_slowpath+0x2660/0x2d70 [ 425.976668] lowmem_reserve[]: 0 [ 426.003688] ? warn_alloc+0x120/0x120 [ 426.008494] 0 3503 [ 426.011793] ? warn_alloc+0x120/0x120 [ 426.015575] 3503 [ 426.017814] ? print_usage_bug+0xc0/0xc0 [ 426.023657] ? warn_alloc+0x120/0x120 [ 426.027695] Node 0 [ 426.031493] ? print_usage_bug+0xc0/0xc0 [ 426.031524] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 426.031531] lowmem_reserve[]: [ 426.033767] ? __lock_acquire+0x62f/0x4c20 [ 426.037838] 0 [ 426.066202] ? __lock_acquire+0x62f/0x4c20 [ 426.069299] 0 [ 426.073819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.075602] 0 [ 426.079833] ? should_fail+0x22d/0xd01 [ 426.079854] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.081642] 0 [ 426.087190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.092864] ? __lock_acquire+0x62f/0x4c20 [ 426.098120] Node 0 [ 426.099930] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.105024] DMA: 1*4kB [ 426.109269] ? __lock_acquire+0x62f/0x4c20 [ 426.111494] (U) [ 426.116590] ? should_fail+0x22d/0xd01 [ 426.119165] 0*8kB [ 426.123397] ? rcu_irq_exit+0x1a2/0x390 [ 426.125358] 0*16kB [ 426.129247] ? mark_held_locks+0x130/0x130 [ 426.131380] 1*32kB [ 426.135351] ? mark_held_locks+0x130/0x130 [ 426.137572] (U) [ 426.141840] ? mark_held_locks+0xc7/0x130 [ 426.144048] 2*64kB (U) [ 426.148299] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 426.150261] 1*128kB [ 426.154410] ? zap_class+0x640/0x640 [ 426.156978] (U) [ 426.161987] ? print_usage_bug+0xc0/0xc0 [ 426.164313] 1*256kB [ 426.168036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.169988] (U) [ 426.174047] ? check_preemption_disabled+0x48/0x280 [ 426.176351] 0*512kB [ 426.181976] ? __lock_is_held+0xb5/0x140 [ 426.183928] 1*1024kB [ 426.188957] __alloc_pages_nodemask+0xa80/0xde0 [ 426.191272] (U) [ 426.195338] ? zap_class+0x640/0x640 [ 426.195357] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 426.197759] 1*2048kB (M) [ 426.202465] ? find_held_lock+0x36/0x1c0 [ 426.204456] 3*4096kB (M) [ 426.208181] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.213185] = 15908kB [ 426.213194] Node 0 [ 426.215954] ? lock_downgrade+0x900/0x900 [ 426.220005] DMA32: [ 426.222765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.227468] 5*4kB [ 426.229879] cache_grow_begin+0xa5/0x8c0 [ 426.232091] (M) [ 426.236235] ? do_raw_spin_unlock+0xa7/0x330 [ 426.238453] 1*8kB [ 426.243990] fallback_alloc+0x204/0x2e0 [ 426.246133] (U) [ 426.250204] ____cache_alloc_node+0x1c7/0x1e0 [ 426.252162] 4*16kB [ 426.256569] kmem_cache_alloc_node+0xe3/0x730 [ 426.258696] (M) [ 426.262667] ? ipv6_get_ifaddr+0x42e/0x620 [ 426.264626] 2*32kB [ 426.269122] __alloc_skb+0x119/0x770 [ 426.271358] (M) [ 426.275876] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.277842] 4*64kB [ 426.282099] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.284315] (UM) [ 426.288028] ? lock_downgrade+0x900/0x900 [ 426.289986] 3*128kB [ 426.295271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.297492] (M) [ 426.301899] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.303938] 4*256kB [ 426.308079] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.310391] (UM) [ 426.315925] ? addrconf_rs_timer+0x690/0x690 [ 426.317880] 3*512kB [ 426.323333] ndisc_alloc_skb+0x144/0x340 [ 426.325632] (M) [ 426.331104] ndisc_send_rs+0x331/0x6e0 [ 426.333152] 3*1024kB [ 426.337558] addrconf_rs_timer+0x314/0x690 [ 426.339887] (UM) 3*2048kB [ 426.343965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.345920] (UM) [ 426.349831] call_timer_fn+0x272/0x920 [ 426.352219] 3*4096kB (M) [ 426.356679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.359505] = 24860kB [ 426.359515] Node 0 [ 426.363750] ? process_timeout+0x40/0x40 [ 426.365785] Normal: 767*4kB [ 426.369711] ? mark_held_locks+0xc7/0x130 [ 426.372441] (UME) [ 426.376676] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.379087] 454*8kB [ 426.381319] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.385370] (ME) [ 426.388406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.392537] 185*16kB [ 426.394694] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.399182] (UME) [ 426.401509] ? trace_hardirqs_on+0xbd/0x310 [ 426.405982] 80*32kB [ 426.408045] ? kasan_check_read+0x11/0x20 [ 426.412256] (UME) [ 426.414676] ? __run_timers+0x7da/0xc70 [ 426.419241] 22*64kB [ 426.421393] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.425693] (M) [ 426.428011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.432139] 1*128kB [ 426.434297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.438249] (U) [ 426.440573] __run_timers+0x7e5/0xc70 [ 426.445653] 1*256kB [ 426.447636] ? timer_fixup_init+0x70/0x70 [ 426.451841] (U) [ 426.454164] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.458376] 0*512kB [ 426.460351] ? zap_class+0x640/0x640 [ 426.464126] 0*1024kB 0*2048kB [ 426.466464] ? print_usage_bug+0xc0/0xc0 [ 426.470590] 0*4096kB [ 426.472565] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.477563] = 14012kB [ 426.479888] ? find_held_lock+0x36/0x1c0 [ 426.483600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 426.486797] ? zap_class+0x640/0x640 [ 426.490845] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 426.493248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.498417] 163 total pagecache pages [ 426.500837] ? check_preemption_disabled+0x48/0x280 [ 426.504893] 0 pages in swap cache [ 426.513817] ? __lock_is_held+0xb5/0x140 [ 426.517511] Swap cache stats: add 0, delete 0, find 0/0 [ 426.526097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.531625] Free swap = 0kB [ 426.535426] ? check_preemption_disabled+0x48/0x280 [ 426.540430] Total swap = 0kB [ 426.543882] run_timer_softirq+0x52/0xb0 [ 426.547919] 1965979 pages RAM [ 426.553300] ? rcu_read_lock_sched_held+0x14f/0x180 [ 426.558816] 0 pages HighMem/MovableOnly [ 426.561839] __do_softirq+0x308/0xb7e [ 426.566914] 342867 pages reserved [ 426.569935] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 426.573983] 0 pages cma reserved [ 426.577084] ? lock_downgrade+0x900/0x900 [ 426.582300] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.975 msecs [ 426.586041] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 426.589902] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.593291] ? pvclock_read_flags+0x160/0x160 [ 426.597877] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.601146] ? lapic_next_event+0x5a/0x90 [ 426.605274] ksoftirqd/0 cpuset= [ 426.613795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.618891] / [ 426.625387] ? kvm_clock_read+0x18/0x30 [ 426.629863] mems_allowed=0 [ 426.640203] ? kvm_sched_clock_read+0x9/0x20 [ 426.666118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.671661] ? check_preemption_disabled+0x48/0x280 [ 426.676691] irq_exit+0x17f/0x1c0 [ 426.680147] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.685001] ? smp_reschedule_interrupt+0x109/0x650 [ 426.690017] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.695905] ? interrupt_entry+0xb5/0xc0 [ 426.699971] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.704988] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.710007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.714876] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.719895] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.724913] ? task_prio+0x50/0x50 [ 426.728460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.734001] ? check_preemption_disabled+0x48/0x280 [ 426.739041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.743912] apic_timer_interrupt+0xf/0x20 [ 426.748228] [ 426.750469] RIP: 0010:dump_stack+0x358/0x39d [ 426.754884] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 426.773790] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 426.781523] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 426.788842] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 426.796128] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 426.803399] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 426.810666] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 426.817962] ? dump_stack+0x34f/0x39d [ 426.821797] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.827017] dump_header+0x27b/0xf72 [ 426.830757] ? mark_held_locks+0x130/0x130 [ 426.835009] ? pagefault_out_of_memory+0x197/0x197 [ 426.839978] ? __lock_acquire+0x62f/0x4c20 [ 426.844226] ? zap_class+0x640/0x640 [ 426.847942] ? percpu_ref_get_many+0x240/0x240 [ 426.852528] ? print_usage_bug+0xc0/0xc0 [ 426.856595] ? print_usage_bug+0xc0/0xc0 [ 426.860664] ? zap_class+0x640/0x640 [ 426.864401] ? print_usage_bug+0xc0/0xc0 [ 426.868466] ? print_usage_bug+0xc0/0xc0 [ 426.872536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.878111] ? find_held_lock+0x36/0x1c0 [ 426.882209] ? mark_held_locks+0xc7/0x130 [ 426.886396] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.891528] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.896648] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 426.901260] ? trace_hardirqs_on+0xbd/0x310 [ 426.905611] ? kasan_check_read+0x11/0x20 [ 426.909764] ? ___ratelimit+0x3b4/0x672 [ 426.913744] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.918853] ? trace_hardirqs_on+0x310/0x310 [ 426.923265] ? lock_downgrade+0x900/0x900 [ 426.927439] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.932561] ? ___ratelimit+0x3b9/0x672 [ 426.936539] ? idr_get_free+0xec0/0xec0 [ 426.940517] ? find_held_lock+0x36/0x1c0 [ 426.944614] oom_kill_process.cold.27+0x10/0x903 [ 426.949376] ? zap_class+0x640/0x640 [ 426.953108] ? check_preemption_disabled+0x48/0x280 [ 426.958148] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 426.963108] ? kasan_check_read+0x11/0x20 [ 426.967264] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.972554] ? oom_evaluate_task+0x540/0x540 [ 426.976970] ? find_held_lock+0x36/0x1c0 [ 426.981043] ? out_of_memory+0x974/0x1430 [ 426.985225] ? lock_downgrade+0x900/0x900 [ 426.989372] ? check_preemption_disabled+0x48/0x280 [ 426.994421] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 426.999373] ? kasan_check_read+0x11/0x20 [ 427.003530] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.008814] ? rcu_softirq_qs+0x20/0x20 [ 427.012804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.018367] ? oom_evaluate_task+0x302/0x540 [ 427.022797] out_of_memory+0xa84/0x1430 [ 427.026790] ? oom_killer_disable+0x3a0/0x3a0 [ 427.031321] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 427.036255] ? __mutex_add_waiter+0x2a0/0x2a0 [ 427.040782] __alloc_pages_slowpath+0x22d4/0x2d70 [ 427.045669] ? warn_alloc+0x120/0x120 [ 427.049477] ? rcu_softirq_qs+0x20/0x20 [ 427.053478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.059030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.064577] ? should_fail+0x22d/0xd01 [ 427.068471] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.073582] ? zap_class+0x640/0x640 [ 427.077332] ? __lock_is_held+0xb5/0x140 [ 427.081418] ? mark_held_locks+0x130/0x130 [ 427.085676] ? lock_release+0xa00/0xa00 [ 427.089654] ? perf_trace_sched_process_exec+0x860/0x860 [ 427.095128] ? __might_sleep+0x95/0x190 [ 427.099113] __alloc_pages_nodemask+0xa80/0xde0 [ 427.103808] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 427.108840] ? __page_cache_alloc+0x191/0x5c0 [ 427.113378] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.118315] ? kasan_check_read+0x11/0x20 [ 427.122486] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.127771] ? zap_class+0x640/0x640 [ 427.131494] ? zap_class+0x640/0x640 [ 427.135223] ? zap_class+0x640/0x640 [ 427.138940] ? __do_page_cache_readahead+0x7ce/0x980 [ 427.144054] ? find_held_lock+0x36/0x1c0 [ 427.148126] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 427.153689] alloc_pages_current+0x173/0x350 [ 427.158110] __page_cache_alloc+0x38c/0x5c0 [ 427.162470] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.167408] ? kasan_check_read+0x11/0x20 [ 427.171578] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.176865] ? generic_perform_write+0x6a0/0x6a0 [ 427.181641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.187201] ? check_preemption_disabled+0x48/0x280 [ 427.192249] filemap_fault+0x1594/0x25f0 [ 427.196329] ? __lock_page_or_retry+0xa00/0xa00 [ 427.201014] ? mark_held_locks+0x130/0x130 [ 427.205253] ? rcu_softirq_qs+0x20/0x20 [ 427.209240] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.214348] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 427.218938] ? trace_hardirqs_on+0xbd/0x310 [ 427.223310] ? filemap_map_pages+0xe04/0x1990 [ 427.227843] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.232953] ? __free_object+0x173/0x340 [ 427.237022] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 427.241956] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.247063] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 427.251767] ? debug_object_free+0x32d/0x690 [ 427.256181] ? kasan_check_read+0x11/0x20 [ 427.260339] ? debug_object_destroy+0x2b0/0x2b0 [ 427.265016] ? lock_pi_update_atomic+0x150/0x150 [ 427.269777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.275325] ? __hrtimer_init+0xdb/0x240 [ 427.279417] ? lock_acquire+0x1ed/0x520 [ 427.283394] ? ext4_filemap_fault+0x7a/0xad [ 427.287723] ? lock_release+0xa00/0xa00 [ 427.291697] ? perf_trace_sched_process_exec+0x860/0x860 [ 427.297155] ? print_usage_bug+0xc0/0xc0 [ 427.301222] ? print_usage_bug+0xc0/0xc0 [ 427.305309] ? down_read+0x8d/0x120 [ 427.308943] ? ext4_filemap_fault+0x7a/0xad [ 427.313274] ? __down_interruptible+0x700/0x700 [ 427.317970] ext4_filemap_fault+0x82/0xad [ 427.322125] __do_fault+0x100/0x6b0 [ 427.325762] ? pmd_devmap_trans_unstable+0x220/0x220 [ 427.330880] ? mark_held_locks+0x130/0x130 [ 427.335118] ? mark_held_locks+0x130/0x130 [ 427.339376] ? debug_smp_processor_id+0x1c/0x20 [ 427.344051] ? perf_trace_lock+0x14d/0x7a0 [ 427.348306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.353861] __handle_mm_fault+0x307c/0x5920 [ 427.358272] ? perf_trace_lock+0x7a0/0x7a0 [ 427.362529] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 427.367380] ? lock_is_held_type+0x210/0x210 [ 427.371807] ? ksys_dup3+0x680/0x680 [ 427.375545] ? zap_class+0x640/0x640 [ 427.379259] ? zap_class+0x640/0x640 [ 427.382982] ? __x64_sys_futex+0x53e/0x6a0 [ 427.387244] ? find_held_lock+0x36/0x1c0 [ 427.391328] ? handle_mm_fault+0x42a/0xc70 [ 427.395578] ? lock_downgrade+0x900/0x900 [ 427.399734] ? check_preemption_disabled+0x48/0x280 [ 427.404766] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.409708] ? kasan_check_read+0x11/0x20 [ 427.413871] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.419162] ? rcu_softirq_qs+0x20/0x20 [ 427.423146] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.428296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.433852] ? check_preemption_disabled+0x48/0x280 [ 427.438900] handle_mm_fault+0x54f/0xc70 [ 427.442975] ? __handle_mm_fault+0x5920/0x5920 [ 427.447575] ? find_vma+0x34/0x190 [ 427.451128] __do_page_fault+0x5e8/0xe60 [ 427.455198] ? trace_hardirqs_off+0xb8/0x310 [ 427.459622] ? kernel_write+0x120/0x120 [ 427.463925] do_page_fault+0xf2/0x7e0 [ 427.467733] ? vmalloc_sync_all+0x30/0x30 [ 427.471894] ? error_entry+0x70/0xd0 [ 427.475615] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.480636] ? trace_hardirqs_on_caller+0xc0/0x310 [ 427.485577] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.490518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.495379] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.500407] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.505889] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.510930] ? page_fault+0x8/0x30 [ 427.514480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.519337] ? page_fault+0x8/0x30 [ 427.522888] page_fault+0x1e/0x30 [ 427.526347] RIP: 0033:0x45ddf3 [ 427.529555] Code: Bad RIP value. [ 427.532919] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 427.538293] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 427.545581] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 427.552854] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 427.560147] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 427.567432] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 427.574768] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 427.574858] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 427.581299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.581304] Call Trace: [ 427.581345] dump_stack+0x244/0x39d [ 427.581364] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.587990] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.597251] warn_alloc.cold.117+0xb7/0x1bd [ 427.599818] syz-fuzzer cpuset= [ 427.603448] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.608618] / [ 427.618873] ? lock_downgrade+0x900/0x900 [ 427.623216] mems_allowed=0 [ 427.626409] ? trace_hardirqs_off+0xb8/0x310 [ 427.644390] ? trace_hardirqs_off+0xb8/0x310 [ 427.648808] __alloc_pages_slowpath+0x2660/0x2d70 [ 427.653712] ? warn_alloc+0x120/0x120 [ 427.657519] ? warn_alloc+0x120/0x120 [ 427.661334] ? print_usage_bug+0xc0/0xc0 [ 427.665420] ? warn_alloc+0x120/0x120 [ 427.669230] ? print_usage_bug+0xc0/0xc0 [ 427.673322] ? __lock_acquire+0x62f/0x4c20 [ 427.677602] ? __lock_acquire+0x62f/0x4c20 [ 427.681850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.687447] ? should_fail+0x22d/0xd01 [ 427.691376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.696504] ? __lock_acquire+0x62f/0x4c20 [ 427.700760] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.705869] ? __lock_acquire+0x62f/0x4c20 [ 427.710120] ? should_fail+0x22d/0xd01 [ 427.714016] ? find_held_lock+0x36/0x1c0 [ 427.718099] ? mark_held_locks+0x130/0x130 [ 427.722372] ? mark_held_locks+0x130/0x130 [ 427.726609] ? zap_class+0x640/0x640 [ 427.730339] ? mark_held_locks+0xc7/0x130 [ 427.734493] ? do_raw_spin_unlock+0xa7/0x330 [ 427.738912] ? zap_class+0x640/0x640 [ 427.742658] ? print_usage_bug+0xc0/0xc0 [ 427.746731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.752291] ? check_preemption_disabled+0x48/0x280 [ 427.757344] ? __lock_is_held+0xb5/0x140 [ 427.761475] __alloc_pages_nodemask+0xa80/0xde0 [ 427.766157] ? zap_class+0x640/0x640 [ 427.769904] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 427.774944] ? find_held_lock+0x36/0x1c0 [ 427.779028] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.783706] ? lock_downgrade+0x900/0x900 [ 427.787879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.793459] cache_grow_begin+0xa5/0x8c0 [ 427.797528] ? do_raw_spin_unlock+0xa7/0x330 [ 427.801950] fallback_alloc+0x204/0x2e0 [ 427.805937] ____cache_alloc_node+0x1c7/0x1e0 [ 427.810441] kmem_cache_alloc_node+0xe3/0x730 [ 427.814939] ? ipv6_get_ifaddr+0x42e/0x620 [ 427.819188] __alloc_skb+0x119/0x770 [ 427.822911] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.828210] ? netdev_alloc_frag+0x1f0/0x1f0 [ 427.832648] ? lock_downgrade+0x900/0x900 [ 427.836835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.842411] ? refcount_sub_and_test_checked+0x203/0x310 [ 427.847897] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 427.853382] ? addrconf_rs_timer+0x690/0x690 [ 427.857832] ndisc_alloc_skb+0x144/0x340 [ 427.861911] ndisc_send_rs+0x331/0x6e0 [ 427.865820] addrconf_rs_timer+0x314/0x690 [ 427.870088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.874365] call_timer_fn+0x272/0x920 [ 427.878271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.882553] ? process_timeout+0x40/0x40 [ 427.886646] ? __run_timers+0x7da/0xc70 [ 427.890637] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.895157] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.899683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.903932] ? lockdep_hardirqs_on+0x296/0x5b0 [ 427.908528] ? trace_hardirqs_on+0xbd/0x310 [ 427.912864] ? kasan_check_read+0x11/0x20 [ 427.917026] ? __run_timers+0x7da/0xc70 [ 427.921036] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.926157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.930422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.934673] __run_timers+0x7e5/0xc70 [ 427.938502] ? timer_fixup_init+0x70/0x70 [ 427.942704] ? compat_start_thread+0x80/0x80 [ 427.947130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.952688] ? _raw_spin_unlock_irq+0x60/0x80 [ 427.957202] ? finish_task_switch+0x1f4/0x910 [ 427.961728] ? finish_task_switch+0x1b4/0x910 [ 427.966235] ? __switch_to_asm+0x34/0x70 [ 427.970323] ? preempt_notifier_register+0x200/0x200 [ 427.975467] ? __switch_to_asm+0x34/0x70 [ 427.979547] ? __switch_to_asm+0x40/0x70 [ 427.983617] ? __switch_to_asm+0x34/0x70 [ 427.987688] ? __switch_to_asm+0x40/0x70 [ 427.991763] ? __switch_to_asm+0x34/0x70 [ 427.995836] ? __switch_to_asm+0x40/0x70 [ 427.999914] ? __switch_to_asm+0x40/0x70 [ 428.003998] ? pvclock_read_flags+0x160/0x160 [ 428.008514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.014066] ? check_preemption_disabled+0x48/0x280 [ 428.019122] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 428.024673] ? rcu_pm_notify+0xc0/0xc0 [ 428.028608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.034157] ? check_preemption_disabled+0x48/0x280 [ 428.039193] run_timer_softirq+0x52/0xb0 [ 428.043270] ? rcu_read_lock_sched_held+0x14f/0x180 [ 428.048317] __do_softirq+0x308/0xb7e [ 428.052152] ? retint_kernel+0x2d/0x2d [ 428.056065] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 428.061182] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.066658] ? schedule+0x108/0x460 [ 428.070306] ? __schedule+0x21d0/0x21d0 [ 428.074323] ? trace_hardirqs_off+0xb8/0x310 [ 428.078748] ? smpboot_thread_fn+0x68b/0xa00 [ 428.083188] ? trace_hardirqs_on+0x310/0x310 [ 428.087603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.093155] ? check_preemption_disabled+0x48/0x280 [ 428.098175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.103736] ? takeover_tasklets+0xa90/0xa90 [ 428.108163] run_ksoftirqd+0x5e/0x100 [ 428.111973] smpboot_thread_fn+0x68b/0xa00 [ 428.116228] ? sort_range+0x30/0x30 [ 428.119869] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.124981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.130541] ? __kthread_parkme+0xfb/0x1a0 [ 428.134790] kthread+0x35a/0x420 [ 428.138161] ? sort_range+0x30/0x30 [ 428.141799] ? kthread_stop+0x900/0x900 [ 428.145795] ret_from_fork+0x3a/0x50 [ 428.149527] warn_alloc_show_mem: 1 callbacks suppressed [ 428.149539] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 428.149541] Mem-Info: [ 428.149572] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 428.149572] active_file:13 inactive_file:12 isolated_file:0 [ 428.149572] unevictable:0 dirty:0 writeback:0 unstable:0 [ 428.149572] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 428.149572] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 428.149572] free:13679 free_pcp:387 free_cma:0 [ 428.154941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.161621] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 428.164025] Call Trace: [ 428.196908] Node 0 [ 428.206278] [ 428.233820] 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 [ 428.236414] dump_stack+0x244/0x39d [ 428.238633] lowmem_reserve[]: [ 428.240803] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.266370] 0 2818 [ 428.270053] warn_alloc.cold.117+0xb7/0x1bd [ 428.273127] 6321 [ 428.278331] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.280568] 6321 [ 428.284897] ? lock_downgrade+0x900/0x900 [ 428.286952] Node 0 [ 428.291823] ? trace_hardirqs_off+0xb8/0x310 [ 428.293881] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 428.298011] ? trace_hardirqs_off+0xb8/0x310 [ 428.300237] lowmem_reserve[]: [ 428.304672] __alloc_pages_slowpath+0x2660/0x2d70 [ 428.331643] 0 [ 428.336097] ? warn_alloc+0x120/0x120 [ 428.339154] 0 [ 428.344002] ? warn_alloc+0x120/0x120 [ 428.345789] 3503 [ 428.349590] ? print_usage_bug+0xc0/0xc0 [ 428.351372] 3503 [ 428.355170] ? warn_alloc+0x120/0x120 [ 428.357507] Node 0 [ 428.361574] ? print_usage_bug+0xc0/0xc0 [ 428.363640] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 428.367417] ? __lock_acquire+0x62f/0x4c20 [ 428.369631] lowmem_reserve[]: [ 428.373697] ? __lock_acquire+0x62f/0x4c20 [ 428.402048] 0 0 [ 428.406338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.409426] 0 [ 428.413669] ? should_fail+0x22d/0xd01 [ 428.415625] 0 [ 428.421167] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.426846] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.428624] Node 0 [ 428.433908] ? __lock_acquire+0x62f/0x4c20 [ 428.438995] DMA: 1*4kB [ 428.441260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.445493] (U) 0*8kB [ 428.448096] ? __lock_acquire+0x62f/0x4c20 [ 428.453179] 0*16kB 1*32kB [ 428.455690] ? should_fail+0x22d/0xd01 [ 428.459897] (U) 2*64kB [ 428.462752] ? rcu_irq_exit+0x1a2/0x390 [ 428.462779] ? mark_held_locks+0x130/0x130 [ 428.466644] (U) [ 428.469236] ? mark_held_locks+0x130/0x130 [ 428.473185] 1*128kB [ 428.477425] ? mark_held_locks+0xc7/0x130 [ 428.479394] (U) [ 428.483627] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 428.483644] ? zap_class+0x640/0x640 [ 428.485951] 1*256kB (U) [ 428.490114] ? print_usage_bug+0xc0/0xc0 [ 428.492074] 0*512kB [ 428.497097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.500791] 1*1024kB [ 428.503469] ? check_preemption_disabled+0x48/0x280 [ 428.507504] (U) [ 428.509841] ? __lock_is_held+0xb5/0x140 [ 428.515340] 1*2048kB (M) [ 428.517770] __alloc_pages_nodemask+0xa80/0xde0 [ 428.522755] 3*4096kB (M) [ 428.524747] ? zap_class+0x640/0x640 [ 428.528781] = 15908kB [ 428.531552] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 428.536200] Node 0 [ 428.538968] ? find_held_lock+0x36/0x1c0 [ 428.542643] DMA32: 5*4kB [ 428.545085] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.550085] (M) [ 428.552331] ? lock_downgrade+0x900/0x900 [ 428.556380] 1*8kB [ 428.559169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.563821] (U) [ 428.565821] cache_grow_begin+0xa5/0x8c0 [ 428.569936] 4*16kB (M) [ 428.572148] ? do_raw_spin_unlock+0xa7/0x330 [ 428.577659] 2*32kB (M) [ 428.579658] fallback_alloc+0x204/0x2e0 [ 428.583683] 4*64kB (UM) [ 428.586301] ____cache_alloc_node+0x1c7/0x1e0 [ 428.590677] 3*128kB (M) [ 428.593276] kmem_cache_alloc_node+0xe3/0x730 [ 428.597229] 4*256kB [ 428.599900] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.604406] (UM) [ 428.607086] __alloc_skb+0x119/0x770 [ 428.611559] 3*512kB (M) [ 428.613907] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.618117] 3*1024kB [ 428.620180] ? netdev_alloc_frag+0x1f0/0x1f0 [ 428.623879] (UM) [ 428.626554] ? lock_downgrade+0x900/0x900 [ 428.631801] 3*2048kB (UM) [ 428.634239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.638619] 3*4096kB (M) [ 428.640698] ? refcount_sub_and_test_checked+0x203/0x310 [ 428.644815] = 24860kB [ 428.644824] Node 0 [ 428.647679] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 428.653209] Normal: [ 428.655966] ? addrconf_rs_timer+0x690/0x690 [ 428.661395] 767*4kB [ 428.663813] ndisc_alloc_skb+0x144/0x340 [ 428.666034] (UME) [ 428.671493] ndisc_send_rs+0x331/0x6e0 [ 428.673793] 454*8kB [ 428.678208] addrconf_rs_timer+0x314/0x690 [ 428.680508] (ME) [ 428.684575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.686718] 185*16kB [ 428.690644] call_timer_fn+0x272/0x920 [ 428.692941] (UME) [ 428.697197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.699243] 80*32kB [ 428.703482] ? process_timeout+0x40/0x40 [ 428.705873] (UME) [ 428.709767] ? mark_held_locks+0xc7/0x130 [ 428.711892] 22*64kB [ 428.716130] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.718434] (M) [ 428.722500] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.724624] 1*128kB (U) [ 428.728793] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.731088] 1*256kB (U) [ 428.735609] ? lockdep_hardirqs_on+0x296/0x5b0 [ 428.737563] 0*512kB 0*1024kB [ 428.742068] ? trace_hardirqs_on+0xbd/0x310 [ 428.744729] 0*2048kB [ 428.748966] ? kasan_check_read+0x11/0x20 [ 428.751625] 0*4096kB = 14012kB [ 428.756220] ? __run_timers+0x7da/0xc70 [ 428.759314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 428.763630] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.766022] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 428.770165] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.773342] 163 total pagecache pages [ 428.777320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.786161] 0 pages in swap cache [ 428.791261] __run_timers+0x7e5/0xc70 [ 428.799843] Swap cache stats: add 0, delete 0, find 0/0 [ 428.804087] ? timer_fixup_init+0x70/0x70 [ 428.807869] Free swap = 0kB [ 428.812104] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.815537] Total swap = 0kB [ 428.819333] ? zap_class+0x640/0x640 [ 428.824692] 1965979 pages RAM [ 428.828845] ? print_usage_bug+0xc0/0xc0 [ 428.831833] 0 pages HighMem/MovableOnly [ 428.831842] 342867 pages reserved [ 428.836866] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.839863] 0 pages cma reserved [ 428.843574] ? find_held_lock+0x36/0x1c0 [ 428.846733] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.850719] ? zap_class+0x640/0x640 [ 428.850741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.850760] ? check_preemption_disabled+0x48/0x280 [ 428.854772] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.858174] ? __lock_is_held+0xb5/0x140 [ 428.863360] ksoftirqd/0 cpuset= [ 428.866726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.870774] / [ 428.877263] ? check_preemption_disabled+0x48/0x280 [ 428.880956] mems_allowed=0 [ 428.886488] run_timer_softirq+0x52/0xb0 [ 428.928341] ? rcu_read_lock_sched_held+0x14f/0x180 [ 428.933367] __do_softirq+0x308/0xb7e [ 428.937190] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 428.941685] ? lock_downgrade+0x900/0x900 [ 428.945842] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 428.950958] ? pvclock_read_flags+0x160/0x160 [ 428.955458] ? lapic_next_event+0x5a/0x90 [ 428.959615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.965171] ? kvm_clock_read+0x18/0x30 [ 428.969148] ? kvm_sched_clock_read+0x9/0x20 [ 428.973564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.979118] ? check_preemption_disabled+0x48/0x280 [ 428.984143] irq_exit+0x17f/0x1c0 [ 428.987598] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.992442] ? smp_reschedule_interrupt+0x109/0x650 [ 428.997460] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.003350] ? interrupt_entry+0xb5/0xc0 [ 429.007427] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.012440] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.017466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.022318] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.027336] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.032357] ? task_prio+0x50/0x50 [ 429.035903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.041443] ? check_preemption_disabled+0x48/0x280 [ 429.046467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.051328] apic_timer_interrupt+0xf/0x20 [ 429.055558] [ 429.057810] RIP: 0010:dump_stack+0x358/0x39d [ 429.062254] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 429.081163] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 429.088894] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 429.096162] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 429.103434] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 429.110717] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 429.118013] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 429.125307] ? dump_stack+0x34f/0x39d [ 429.129124] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.134330] dump_header+0x27b/0xf72 [ 429.138057] ? mark_held_locks+0x130/0x130 [ 429.142304] ? pagefault_out_of_memory+0x197/0x197 [ 429.147243] ? __lock_acquire+0x62f/0x4c20 [ 429.151495] ? zap_class+0x640/0x640 [ 429.155212] ? percpu_ref_get_many+0x240/0x240 [ 429.159814] ? print_usage_bug+0xc0/0xc0 [ 429.163912] ? print_usage_bug+0xc0/0xc0 [ 429.167982] ? zap_class+0x640/0x640 [ 429.171716] ? print_usage_bug+0xc0/0xc0 [ 429.175779] ? print_usage_bug+0xc0/0xc0 [ 429.179869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.185415] ? find_held_lock+0x36/0x1c0 [ 429.189491] ? mark_held_locks+0xc7/0x130 [ 429.193647] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.198751] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.203873] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 429.208463] ? trace_hardirqs_on+0xbd/0x310 [ 429.212804] ? kasan_check_read+0x11/0x20 [ 429.216957] ? ___ratelimit+0x3b4/0x672 [ 429.220937] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.226041] ? trace_hardirqs_on+0x310/0x310 [ 429.230452] ? lock_downgrade+0x900/0x900 [ 429.234607] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.239714] ? ___ratelimit+0x3b9/0x672 [ 429.243692] ? idr_get_free+0xec0/0xec0 [ 429.247667] ? find_held_lock+0x36/0x1c0 [ 429.251741] oom_kill_process.cold.27+0x10/0x903 [ 429.256503] ? zap_class+0x640/0x640 [ 429.260218] ? check_preemption_disabled+0x48/0x280 [ 429.265242] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.270173] ? kasan_check_read+0x11/0x20 [ 429.274326] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.279610] ? oom_evaluate_task+0x540/0x540 [ 429.284026] ? find_held_lock+0x36/0x1c0 [ 429.288097] ? out_of_memory+0x974/0x1430 [ 429.292249] ? lock_downgrade+0x900/0x900 [ 429.296432] ? check_preemption_disabled+0x48/0x280 [ 429.301475] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.306408] ? kasan_check_read+0x11/0x20 [ 429.310560] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.315865] ? rcu_softirq_qs+0x20/0x20 [ 429.319854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.325391] ? oom_evaluate_task+0x302/0x540 [ 429.329806] out_of_memory+0xa84/0x1430 [ 429.333816] ? oom_killer_disable+0x3a0/0x3a0 [ 429.338357] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 429.343301] ? __mutex_add_waiter+0x2a0/0x2a0 [ 429.347834] __alloc_pages_slowpath+0x22d4/0x2d70 [ 429.352713] ? warn_alloc+0x120/0x120 [ 429.356516] ? rcu_softirq_qs+0x20/0x20 [ 429.360523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.366062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.371625] ? should_fail+0x22d/0xd01 [ 429.375516] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.380627] ? zap_class+0x640/0x640 [ 429.384366] ? __lock_is_held+0xb5/0x140 [ 429.388441] ? mark_held_locks+0x130/0x130 [ 429.392685] ? lock_release+0xa00/0xa00 [ 429.396664] ? perf_trace_sched_process_exec+0x860/0x860 [ 429.402127] ? __might_sleep+0x95/0x190 [ 429.406114] __alloc_pages_nodemask+0xa80/0xde0 [ 429.410795] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 429.415833] ? __page_cache_alloc+0x191/0x5c0 [ 429.420332] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.425266] ? kasan_check_read+0x11/0x20 [ 429.429445] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.434728] ? zap_class+0x640/0x640 [ 429.438456] ? zap_class+0x640/0x640 [ 429.442172] ? zap_class+0x640/0x640 [ 429.445889] ? __do_page_cache_readahead+0x7ce/0x980 [ 429.451010] ? find_held_lock+0x36/0x1c0 [ 429.455080] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 429.460629] alloc_pages_current+0x173/0x350 [ 429.465527] __page_cache_alloc+0x38c/0x5c0 [ 429.469875] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.475377] ? kasan_check_read+0x11/0x20 [ 429.479530] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.484813] ? generic_perform_write+0x6a0/0x6a0 [ 429.489577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.495117] ? check_preemption_disabled+0x48/0x280 [ 429.500149] filemap_fault+0x1594/0x25f0 [ 429.504240] ? __lock_page_or_retry+0xa00/0xa00 [ 429.508944] ? mark_held_locks+0x130/0x130 [ 429.513198] ? rcu_softirq_qs+0x20/0x20 [ 429.517202] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.522323] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 429.526912] ? trace_hardirqs_on+0xbd/0x310 [ 429.531243] ? filemap_map_pages+0xe04/0x1990 [ 429.535750] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.540865] ? __free_object+0x173/0x340 [ 429.544938] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 429.549879] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.554989] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 429.559678] ? debug_object_free+0x32d/0x690 [ 429.564091] ? kasan_check_read+0x11/0x20 [ 429.568245] ? debug_object_destroy+0x2b0/0x2b0 [ 429.572953] ? lock_pi_update_atomic+0x150/0x150 [ 429.577713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.583269] ? __hrtimer_init+0xdb/0x240 [ 429.587379] ? lock_acquire+0x1ed/0x520 [ 429.591352] ? ext4_filemap_fault+0x7a/0xad [ 429.595679] ? lock_release+0xa00/0xa00 [ 429.599668] ? perf_trace_sched_process_exec+0x860/0x860 [ 429.605129] ? print_usage_bug+0xc0/0xc0 [ 429.609195] ? print_usage_bug+0xc0/0xc0 [ 429.613272] ? down_read+0x8d/0x120 [ 429.616909] ? ext4_filemap_fault+0x7a/0xad [ 429.621233] ? __down_interruptible+0x700/0x700 [ 429.625923] ext4_filemap_fault+0x82/0xad [ 429.630078] __do_fault+0x100/0x6b0 [ 429.633711] ? pmd_devmap_trans_unstable+0x220/0x220 [ 429.638841] ? mark_held_locks+0x130/0x130 [ 429.643091] ? mark_held_locks+0x130/0x130 [ 429.647344] ? debug_smp_processor_id+0x1c/0x20 [ 429.652023] ? perf_trace_lock+0x14d/0x7a0 [ 429.656301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.661859] __handle_mm_fault+0x307c/0x5920 [ 429.666293] ? perf_trace_lock+0x7a0/0x7a0 [ 429.670560] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 429.675415] ? lock_is_held_type+0x210/0x210 [ 429.679868] ? ksys_dup3+0x680/0x680 [ 429.683621] ? zap_class+0x640/0x640 [ 429.687341] ? zap_class+0x640/0x640 [ 429.691059] ? __x64_sys_futex+0x53e/0x6a0 [ 429.695318] ? find_held_lock+0x36/0x1c0 [ 429.699405] ? handle_mm_fault+0x42a/0xc70 [ 429.703651] ? lock_downgrade+0x900/0x900 [ 429.707800] ? check_preemption_disabled+0x48/0x280 [ 429.712837] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.717770] ? kasan_check_read+0x11/0x20 [ 429.721920] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.727202] ? rcu_softirq_qs+0x20/0x20 [ 429.731178] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.736297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.741846] ? check_preemption_disabled+0x48/0x280 [ 429.746878] handle_mm_fault+0x54f/0xc70 [ 429.750944] ? __handle_mm_fault+0x5920/0x5920 [ 429.755535] ? find_vma+0x34/0x190 [ 429.759085] __do_page_fault+0x5e8/0xe60 [ 429.763149] ? trace_hardirqs_off+0xb8/0x310 [ 429.767558] ? kernel_write+0x120/0x120 [ 429.771543] do_page_fault+0xf2/0x7e0 [ 429.775347] ? vmalloc_sync_all+0x30/0x30 [ 429.779501] ? error_entry+0x70/0xd0 [ 429.783229] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.788250] ? trace_hardirqs_on_caller+0xc0/0x310 [ 429.793189] ? syscall_return_slowpath+0x5e0/0x5e0 [ 429.798119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.802972] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.807995] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.813458] ? prepare_exit_to_usermode+0x291/0x3b0 [ 429.818487] ? page_fault+0x8/0x30 [ 429.822084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.826942] ? page_fault+0x8/0x30 [ 429.830500] page_fault+0x1e/0x30 [ 429.833967] RIP: 0033:0x45ddf3 [ 429.837177] Code: Bad RIP value. [ 429.840556] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 429.845927] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 429.853205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 429.860481] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 429.867771] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 429.875043] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 429.882374] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 429.882469] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 429.888890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.888896] Call Trace: [ 429.888919] dump_stack+0x244/0x39d [ 429.888938] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.895474] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.904831] warn_alloc.cold.117+0xb7/0x1bd [ 429.907392] syz-fuzzer cpuset= [ 429.911016] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.916184] / [ 429.926413] ? lock_downgrade+0x900/0x900 [ 429.930717] mems_allowed=0 [ 429.933920] ? trace_hardirqs_off+0xb8/0x310 [ 429.951931] ? trace_hardirqs_off+0xb8/0x310 [ 429.956358] __alloc_pages_slowpath+0x2660/0x2d70 [ 429.961236] ? warn_alloc+0x120/0x120 [ 429.965053] ? warn_alloc+0x120/0x120 [ 429.968881] ? print_usage_bug+0xc0/0xc0 [ 429.972954] ? warn_alloc+0x120/0x120 [ 429.976772] ? print_usage_bug+0xc0/0xc0 [ 429.980842] ? __lock_acquire+0x62f/0x4c20 [ 429.985104] ? __lock_acquire+0x62f/0x4c20 [ 429.989353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.994896] ? should_fail+0x22d/0xd01 [ 429.998819] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.003926] ? __lock_acquire+0x62f/0x4c20 [ 430.008168] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.013271] ? __lock_acquire+0x62f/0x4c20 [ 430.017537] ? should_fail+0x22d/0xd01 [ 430.021428] ? find_held_lock+0x36/0x1c0 [ 430.025517] ? mark_held_locks+0x130/0x130 [ 430.029764] ? mark_held_locks+0x130/0x130 [ 430.034000] ? zap_class+0x640/0x640 [ 430.037717] ? zap_class+0x640/0x640 [ 430.041441] ? print_usage_bug+0xc0/0xc0 [ 430.045503] ? do_raw_spin_unlock+0xa7/0x330 [ 430.049917] ? zap_class+0x640/0x640 [ 430.053634] ? print_usage_bug+0xc0/0xc0 [ 430.057715] ? wq_watchdog_touch+0x9c/0xfe [ 430.061958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.067503] ? check_preemption_disabled+0x48/0x280 [ 430.072538] ? __lock_is_held+0xb5/0x140 [ 430.076612] __alloc_pages_nodemask+0xa80/0xde0 [ 430.081302] ? zap_class+0x640/0x640 [ 430.085035] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 430.090074] ? find_held_lock+0x36/0x1c0 [ 430.094153] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.098833] ? lock_downgrade+0x900/0x900 [ 430.102996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.108546] cache_grow_begin+0xa5/0x8c0 [ 430.112613] ? do_raw_spin_unlock+0xa7/0x330 [ 430.117067] fallback_alloc+0x204/0x2e0 [ 430.121056] ____cache_alloc_node+0x1c7/0x1e0 [ 430.125574] kmem_cache_alloc_node+0xe3/0x730 [ 430.130123] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.134397] __alloc_skb+0x119/0x770 [ 430.138141] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.143454] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.147888] ? lock_downgrade+0x900/0x900 [ 430.152065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.157618] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.163079] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.168548] ? addrconf_rs_timer+0x690/0x690 [ 430.172990] ndisc_alloc_skb+0x144/0x340 [ 430.177069] ndisc_send_rs+0x331/0x6e0 [ 430.180994] addrconf_rs_timer+0x314/0x690 [ 430.185260] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.189528] call_timer_fn+0x272/0x920 [ 430.193424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.197665] ? process_timeout+0x40/0x40 [ 430.201739] ? __run_timers+0x7da/0xc70 [ 430.205721] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.210237] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.214740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.218981] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.223597] ? trace_hardirqs_on+0xbd/0x310 [ 430.227933] ? kasan_check_read+0x11/0x20 [ 430.232104] ? __run_timers+0x7da/0xc70 [ 430.236087] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.241227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.245470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.249725] __run_timers+0x7e5/0xc70 [ 430.253539] ? timer_fixup_init+0x70/0x70 [ 430.257702] ? compat_start_thread+0x80/0x80 [ 430.262120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.267674] ? _raw_spin_unlock_irq+0x60/0x80 [ 430.272178] ? finish_task_switch+0x1f4/0x910 [ 430.276675] ? finish_task_switch+0x1b4/0x910 [ 430.281179] ? __switch_to_asm+0x34/0x70 [ 430.285249] ? preempt_notifier_register+0x200/0x200 [ 430.290366] ? __switch_to_asm+0x34/0x70 [ 430.294428] ? __switch_to_asm+0x40/0x70 [ 430.298493] ? __switch_to_asm+0x34/0x70 [ 430.302557] ? __switch_to_asm+0x40/0x70 [ 430.306621] ? __switch_to_asm+0x34/0x70 [ 430.310713] ? __switch_to_asm+0x40/0x70 [ 430.314789] ? __switch_to_asm+0x40/0x70 [ 430.318867] ? pvclock_read_flags+0x160/0x160 [ 430.323371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.328909] ? check_preemption_disabled+0x48/0x280 [ 430.333957] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 430.339501] ? rcu_pm_notify+0xc0/0xc0 [ 430.343396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.348939] ? check_preemption_disabled+0x48/0x280 [ 430.353962] run_timer_softirq+0x52/0xb0 [ 430.358448] ? rcu_read_lock_sched_held+0x14f/0x180 [ 430.363497] __do_softirq+0x308/0xb7e [ 430.367340] ? retint_kernel+0x2d/0x2d [ 430.371233] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 430.376342] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.381815] ? schedule+0x108/0x460 [ 430.385474] ? __schedule+0x21d0/0x21d0 [ 430.389458] ? trace_hardirqs_off+0xb8/0x310 [ 430.393872] ? smpboot_thread_fn+0x68b/0xa00 [ 430.398291] ? trace_hardirqs_on+0x310/0x310 [ 430.402715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.408306] ? check_preemption_disabled+0x48/0x280 [ 430.413339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.418880] ? takeover_tasklets+0xa90/0xa90 [ 430.423299] run_ksoftirqd+0x5e/0x100 [ 430.427109] smpboot_thread_fn+0x68b/0xa00 [ 430.431352] ? sort_range+0x30/0x30 [ 430.435003] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 430.440110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.445655] ? __kthread_parkme+0xfb/0x1a0 [ 430.449897] kthread+0x35a/0x420 [ 430.453265] ? sort_range+0x30/0x30 [ 430.456902] ? kthread_stop+0x900/0x900 [ 430.460884] ret_from_fork+0x3a/0x50 [ 430.464623] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 430.464629] warn_alloc_show_mem: 1 callbacks suppressed [ 430.464637] Mem-Info: [ 430.471309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.476685] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 430.476685] active_file:13 inactive_file:12 isolated_file:0 [ 430.476685] unevictable:0 dirty:0 writeback:0 unstable:0 [ 430.476685] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 430.476685] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 430.476685] free:13679 free_pcp:387 free_cma:0 [ 430.479071] Call Trace: [ 430.488492] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 430.521343] [ 430.523916] Node 0 [ 430.551416] dump_stack+0x244/0x39d [ 430.553569] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 430.555783] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.559380] lowmem_reserve[]: 0 [ 430.584901] warn_alloc.cold.117+0xb7/0x1bd [ 430.590074] 2818 [ 430.593350] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.597653] 6321 [ 430.599728] ? lock_downgrade+0x900/0x900 [ 430.604547] 6321 [ 430.606616] ? trace_hardirqs_off+0xb8/0x310 [ 430.610752] Node 0 [ 430.612849] ? trace_hardirqs_off+0xb8/0x310 [ 430.617258] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 430.619478] __alloc_pages_slowpath+0x2660/0x2d70 [ 430.623877] lowmem_reserve[]: [ 430.650882] ? warn_alloc+0x120/0x120 [ 430.655697] 0 [ 430.658803] ? warn_alloc+0x120/0x120 [ 430.662582] 0 [ 430.664390] ? print_usage_bug+0xc0/0xc0 [ 430.668169] 3503 [ 430.669970] ? warn_alloc+0x120/0x120 [ 430.674027] 3503 [ 430.676092] ? print_usage_bug+0xc0/0xc0 [ 430.679876] Node 0 [ 430.681940] ? __lock_acquire+0x62f/0x4c20 [ 430.686009] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 430.688221] ? __lock_acquire+0x62f/0x4c20 [ 430.692434] lowmem_reserve[]: [ 430.720820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.725038] 0 [ 430.728140] ? should_fail+0x22d/0xd01 [ 430.733660] 0 [ 430.735461] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.739331] 0 [ 430.741133] ? __lock_acquire+0x62f/0x4c20 [ 430.746213] 0 [ 430.748017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.754032] ? __lock_acquire+0x62f/0x4c20 [ 430.759129] Node 0 [ 430.763358] ? should_fail+0x22d/0xd01 [ 430.763368] DMA: [ 430.765601] ? find_held_lock+0x36/0x1c0 [ 430.769470] 1*4kB [ 430.771534] ? mark_held_locks+0x130/0x130 [ 430.775572] (U) [ 430.777720] ? mark_held_locks+0x130/0x130 [ 430.781933] 0*8kB [ 430.783904] ? zap_class+0x640/0x640 [ 430.788131] 0*16kB 1*32kB [ 430.790301] ? zap_class+0x640/0x640 [ 430.793995] (U) [ 430.796842] ? print_usage_bug+0xc0/0xc0 [ 430.800535] 2*64kB [ 430.802511] ? do_raw_spin_unlock+0xa7/0x330 [ 430.806551] (U) [ 430.808787] ? zap_class+0x640/0x640 [ 430.813169] 1*128kB (U) [ 430.815157] ? print_usage_bug+0xc0/0xc0 [ 430.818850] 1*256kB [ 430.821520] ? wq_watchdog_touch+0x9c/0xfe [ 430.825557] (U) [ 430.827880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.832109] 0*512kB [ 430.834088] ? check_preemption_disabled+0x48/0x280 [ 430.839605] 1*1024kB [ 430.841934] ? __lock_is_held+0xb5/0x140 [ 430.846927] (U) [ 430.849344] __alloc_pages_nodemask+0xa80/0xde0 [ 430.853381] 1*2048kB [ 430.855355] ? zap_class+0x640/0x640 [ 430.860002] (M) [ 430.862409] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 430.866104] 3*4096kB [ 430.868085] ? find_held_lock+0x36/0x1c0 [ 430.873072] (M) [ 430.875487] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.879522] = 15908kB [ 430.881494] ? lock_downgrade+0x900/0x900 [ 430.886155] Node 0 [ 430.888578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.892701] DMA32: [ 430.894939] cache_grow_begin+0xa5/0x8c0 [ 430.900471] 5*4kB [ 430.902709] ? do_raw_spin_unlock+0xa7/0x330 [ 430.906752] (M) [ 430.908917] fallback_alloc+0x204/0x2e0 [ 430.913310] 1*8kB [ 430.915297] ____cache_alloc_node+0x1c7/0x1e0 [ 430.919248] (U) [ 430.921402] kmem_cache_alloc_node+0xe3/0x730 [ 430.925878] 4*16kB [ 430.927856] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.932341] (M) [ 430.934585] __alloc_skb+0x119/0x770 [ 430.938790] 2*32kB (M) [ 430.940785] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.944466] 4*64kB (UM) [ 430.947064] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.952323] 3*128kB [ 430.955000] ? lock_downgrade+0x900/0x900 [ 430.959388] (M) [ 430.961720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.965843] 4*256kB [ 430.967823] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.973340] (UM) 3*512kB [ 430.975691] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.981124] (M) [ 430.983888] ? addrconf_rs_timer+0x690/0x690 [ 430.989317] 3*1024kB (UM) [ 430.991328] ndisc_alloc_skb+0x144/0x340 [ 430.995709] 3*2048kB (UM) [ 430.998572] ndisc_send_rs+0x331/0x6e0 [ 431.002613] 3*4096kB [ 431.005464] addrconf_rs_timer+0x314/0x690 [ 431.009332] (M) [ 431.011740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.015956] = 24860kB [ 431.017951] call_timer_fn+0x272/0x920 [ 431.022154] Node 0 [ 431.024564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.028438] Normal: [ 431.030680] ? process_timeout+0x40/0x40 [ 431.034912] 767*4kB [ 431.037241] ? mark_held_locks+0xc7/0x130 [ 431.041277] (UME) [ 431.043613] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.047731] 454*8kB (ME) [ 431.049890] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.054358] 185*16kB (UME) [ 431.057140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.061619] 80*32kB [ 431.064551] ? lockdep_hardirqs_on+0x296/0x5b0 [ 431.068774] (UME) 22*64kB [ 431.071115] ? trace_hardirqs_on+0xbd/0x310 [ 431.075677] (M) [ 431.078532] ? kasan_check_read+0x11/0x20 [ 431.082824] 1*128kB (U) 1*256kB [ 431.084846] ? __run_timers+0x7da/0xc70 [ 431.088980] (U) [ 431.092352] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.096309] 0*512kB [ 431.098320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.103409] 0*1024kB [ 431.105731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.109947] 0*2048kB [ 431.112361] __run_timers+0x7e5/0xc70 [ 431.116573] 0*4096kB [ 431.118990] ? timer_fixup_init+0x70/0x70 [ 431.122762] = 14012kB [ 431.125174] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 431.129310] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 431.131715] ? zap_class+0x640/0x640 [ 431.136714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 431.136724] 163 total pagecache pages [ 431.145564] ? print_usage_bug+0xc0/0xc0 [ 431.149262] 0 pages in swap cache [ 431.157844] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 431.161627] Swap cache stats: add 0, delete 0, find 0/0 [ 431.165691] ? find_held_lock+0x36/0x1c0 [ 431.169116] Free swap = 0kB [ 431.174320] ? zap_class+0x640/0x640 [ 431.179663] Total swap = 0kB [ 431.179672] 1965979 pages RAM [ 431.183739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.186727] 0 pages HighMem/MovableOnly [ 431.186736] 342867 pages reserved [ 431.190454] ? check_preemption_disabled+0x48/0x280 [ 431.193454] 0 pages cma reserved [ 431.196568] ? __lock_is_held+0xb5/0x140 [ 431.202153] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 431.206053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.209590] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.214522] ? check_preemption_disabled+0x48/0x280 [ 431.217886] ksoftirqd/0 cpuset= [ 431.221952] run_timer_softirq+0x52/0xb0 [ 431.228430] / [ 431.234019] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.244315] mems_allowed=0 [ 431.266309] __do_softirq+0x308/0xb7e [ 431.270136] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 431.274648] ? lock_downgrade+0x900/0x900 [ 431.278805] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 431.283927] ? pvclock_read_flags+0x160/0x160 [ 431.288431] ? lapic_next_event+0x5a/0x90 [ 431.292589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.298136] ? kvm_clock_read+0x18/0x30 [ 431.302114] ? kvm_sched_clock_read+0x9/0x20 [ 431.306530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.312075] ? check_preemption_disabled+0x48/0x280 [ 431.317108] irq_exit+0x17f/0x1c0 [ 431.320570] smp_apic_timer_interrupt+0x1cb/0x760 [ 431.325417] ? smp_reschedule_interrupt+0x109/0x650 [ 431.330440] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.336332] ? interrupt_entry+0xb5/0xc0 [ 431.340398] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.345421] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.350445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.355304] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.360326] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.365347] ? task_prio+0x50/0x50 [ 431.368902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.374459] ? check_preemption_disabled+0x48/0x280 [ 431.379510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.384375] apic_timer_interrupt+0xf/0x20 [ 431.388606] [ 431.390853] RIP: 0010:dump_stack+0x358/0x39d [ 431.395266] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 431.414203] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 431.421934] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 431.429210] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 431.436479] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 431.443747] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 431.451016] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 431.458320] ? dump_stack+0x34f/0x39d [ 431.462142] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.467584] dump_header+0x27b/0xf72 [ 431.471320] ? mark_held_locks+0x130/0x130 [ 431.475561] ? pagefault_out_of_memory+0x197/0x197 [ 431.480499] ? __lock_acquire+0x62f/0x4c20 [ 431.484731] ? zap_class+0x640/0x640 [ 431.488454] ? percpu_ref_get_many+0x240/0x240 [ 431.493041] ? print_usage_bug+0xc0/0xc0 [ 431.497103] ? print_usage_bug+0xc0/0xc0 [ 431.501172] ? zap_class+0x640/0x640 [ 431.504889] ? print_usage_bug+0xc0/0xc0 [ 431.508964] ? print_usage_bug+0xc0/0xc0 [ 431.513045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.518588] ? find_held_lock+0x36/0x1c0 [ 431.522668] ? mark_held_locks+0xc7/0x130 [ 431.526830] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.531936] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.537054] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 431.541645] ? trace_hardirqs_on+0xbd/0x310 [ 431.545969] ? kasan_check_read+0x11/0x20 [ 431.550123] ? ___ratelimit+0x3b4/0x672 [ 431.554102] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.559212] ? trace_hardirqs_on+0x310/0x310 [ 431.563627] ? lock_downgrade+0x900/0x900 [ 431.567786] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.572900] ? ___ratelimit+0x3b9/0x672 [ 431.576880] ? idr_get_free+0xec0/0xec0 [ 431.580872] ? find_held_lock+0x36/0x1c0 [ 431.584946] oom_kill_process.cold.27+0x10/0x903 [ 431.589734] ? zap_class+0x640/0x640 [ 431.593460] ? check_preemption_disabled+0x48/0x280 [ 431.598501] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.603455] ? kasan_check_read+0x11/0x20 [ 431.607606] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.612887] ? oom_evaluate_task+0x540/0x540 [ 431.617308] ? find_held_lock+0x36/0x1c0 [ 431.621382] ? out_of_memory+0x974/0x1430 [ 431.625541] ? lock_downgrade+0x900/0x900 [ 431.629707] ? check_preemption_disabled+0x48/0x280 [ 431.634731] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.639662] ? kasan_check_read+0x11/0x20 [ 431.643814] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.649100] ? rcu_softirq_qs+0x20/0x20 [ 431.653085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.658622] ? oom_evaluate_task+0x302/0x540 [ 431.663039] out_of_memory+0xa84/0x1430 [ 431.667028] ? oom_killer_disable+0x3a0/0x3a0 [ 431.671529] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 431.676467] ? __mutex_add_waiter+0x2a0/0x2a0 [ 431.680995] __alloc_pages_slowpath+0x22d4/0x2d70 [ 431.685887] ? warn_alloc+0x120/0x120 [ 431.689693] ? rcu_softirq_qs+0x20/0x20 [ 431.693698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.699242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.704785] ? should_fail+0x22d/0xd01 [ 431.708688] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.713801] ? zap_class+0x640/0x640 [ 431.717547] ? __lock_is_held+0xb5/0x140 [ 431.721620] ? mark_held_locks+0x130/0x130 [ 431.725865] ? lock_release+0xa00/0xa00 [ 431.729846] ? perf_trace_sched_process_exec+0x860/0x860 [ 431.735317] ? __might_sleep+0x95/0x190 [ 431.739317] __alloc_pages_nodemask+0xa80/0xde0 [ 431.743999] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 431.749020] ? __page_cache_alloc+0x191/0x5c0 [ 431.753518] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.758451] ? kasan_check_read+0x11/0x20 [ 431.762608] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.767910] ? zap_class+0x640/0x640 [ 431.771636] ? zap_class+0x640/0x640 [ 431.775351] ? zap_class+0x640/0x640 [ 431.779069] ? __do_page_cache_readahead+0x7ce/0x980 [ 431.784199] ? find_held_lock+0x36/0x1c0 [ 431.788270] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 431.793833] alloc_pages_current+0x173/0x350 [ 431.798261] __page_cache_alloc+0x38c/0x5c0 [ 431.802598] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.807530] ? kasan_check_read+0x11/0x20 [ 431.811693] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.816982] ? generic_perform_write+0x6a0/0x6a0 [ 431.821750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.827306] ? check_preemption_disabled+0x48/0x280 [ 431.832340] filemap_fault+0x1594/0x25f0 [ 431.836419] ? __lock_page_or_retry+0xa00/0xa00 [ 431.841115] ? mark_held_locks+0x130/0x130 [ 431.845359] ? rcu_softirq_qs+0x20/0x20 [ 431.849344] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.854455] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 431.859047] ? trace_hardirqs_on+0xbd/0x310 [ 431.863385] ? filemap_map_pages+0xe04/0x1990 [ 431.867908] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.873022] ? __free_object+0x173/0x340 [ 431.877095] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 431.882031] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.887142] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 431.891833] ? debug_object_free+0x32d/0x690 [ 431.896247] ? kasan_check_read+0x11/0x20 [ 431.900412] ? debug_object_destroy+0x2b0/0x2b0 [ 431.905088] ? lock_pi_update_atomic+0x150/0x150 [ 431.909848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.915387] ? __hrtimer_init+0xdb/0x240 [ 431.919468] ? lock_acquire+0x1ed/0x520 [ 431.923456] ? ext4_filemap_fault+0x7a/0xad [ 431.927787] ? lock_release+0xa00/0xa00 [ 431.931765] ? perf_trace_sched_process_exec+0x860/0x860 [ 431.937229] ? print_usage_bug+0xc0/0xc0 [ 431.941307] ? print_usage_bug+0xc0/0xc0 [ 431.945385] ? down_read+0x8d/0x120 [ 431.949013] ? ext4_filemap_fault+0x7a/0xad [ 431.953347] ? __down_interruptible+0x700/0x700 [ 431.958051] ext4_filemap_fault+0x82/0xad [ 431.962232] __do_fault+0x100/0x6b0 [ 431.965882] ? pmd_devmap_trans_unstable+0x220/0x220 [ 431.971010] ? mark_held_locks+0x130/0x130 [ 431.975253] ? mark_held_locks+0x130/0x130 [ 431.979504] ? debug_smp_processor_id+0x1c/0x20 [ 431.984200] ? perf_trace_lock+0x14d/0x7a0 [ 431.988453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.994005] __handle_mm_fault+0x307c/0x5920 [ 431.998424] ? perf_trace_lock+0x7a0/0x7a0 [ 432.002684] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 432.007532] ? lock_is_held_type+0x210/0x210 [ 432.011954] ? ksys_dup3+0x680/0x680 [ 432.015715] ? zap_class+0x640/0x640 [ 432.019439] ? zap_class+0x640/0x640 [ 432.023169] ? __x64_sys_futex+0x53e/0x6a0 [ 432.027418] ? find_held_lock+0x36/0x1c0 [ 432.031497] ? handle_mm_fault+0x42a/0xc70 [ 432.035744] ? lock_downgrade+0x900/0x900 [ 432.039899] ? check_preemption_disabled+0x48/0x280 [ 432.044948] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.049892] ? kasan_check_read+0x11/0x20 [ 432.054049] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.059337] ? rcu_softirq_qs+0x20/0x20 [ 432.063325] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.068433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.073974] ? check_preemption_disabled+0x48/0x280 [ 432.079002] handle_mm_fault+0x54f/0xc70 [ 432.083071] ? __handle_mm_fault+0x5920/0x5920 [ 432.087686] ? find_vma+0x34/0x190 [ 432.091236] __do_page_fault+0x5e8/0xe60 [ 432.095310] ? trace_hardirqs_off+0xb8/0x310 [ 432.099722] ? kernel_write+0x120/0x120 [ 432.103714] do_page_fault+0xf2/0x7e0 [ 432.107521] ? vmalloc_sync_all+0x30/0x30 [ 432.111677] ? error_entry+0x70/0xd0 [ 432.115398] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.120427] ? trace_hardirqs_on_caller+0xc0/0x310 [ 432.125366] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.130316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.135172] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.140196] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.145677] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.150702] ? page_fault+0x8/0x30 [ 432.154250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.159112] ? page_fault+0x8/0x30 [ 432.162662] page_fault+0x1e/0x30 [ 432.166117] RIP: 0033:0x45ddf3 [ 432.169326] Code: Bad RIP value. [ 432.172689] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 432.178059] RAX: ffffffffffffff92 RBX: 0000000036e67cb0 RCX: 000000000045ddf3 [ 432.185343] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80 [ 432.192626] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 432.199951] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 432.207257] R13: 000000c42890dd40 R14: 0000000000000001 R15: 0000000000000000 [ 432.214562] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135 [ 432.214627] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.221080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.221085] Call Trace: [ 432.221131] dump_stack+0x244/0x39d [ 432.221163] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.227730] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.237013] warn_alloc.cold.117+0xb7/0x1bd [ 432.239574] syz-fuzzer cpuset= [ 432.243209] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.248377] / [ 432.258630] ? lock_downgrade+0x900/0x900 [ 432.262935] mems_allowed=0 [ 432.266146] ? trace_hardirqs_off+0xb8/0x310 [ 432.284145] ? trace_hardirqs_off+0xb8/0x310 [ 432.288581] __alloc_pages_slowpath+0x2660/0x2d70 [ 432.293474] ? warn_alloc+0x120/0x120 [ 432.297306] ? warn_alloc+0x120/0x120 [ 432.301133] ? print_usage_bug+0xc0/0xc0 [ 432.305212] ? warn_alloc+0x120/0x120 [ 432.309054] ? print_usage_bug+0xc0/0xc0 [ 432.313156] ? __lock_acquire+0x62f/0x4c20 [ 432.317406] ? __lock_acquire+0x62f/0x4c20 [ 432.321659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.327209] ? should_fail+0x22d/0xd01 [ 432.331112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.336226] ? __lock_acquire+0x62f/0x4c20 [ 432.340478] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.345600] ? __lock_acquire+0x62f/0x4c20 [ 432.349852] ? should_fail+0x22d/0xd01 [ 432.353764] ? find_held_lock+0x36/0x1c0 [ 432.358308] ? mark_held_locks+0x130/0x130 [ 432.362571] ? mark_held_locks+0x130/0x130 [ 432.366813] ? zap_class+0x640/0x640 [ 432.370538] ? mark_held_locks+0xc7/0x130 [ 432.374689] ? do_raw_spin_unlock+0xa7/0x330 [ 432.379103] ? zap_class+0x640/0x640 [ 432.382819] ? print_usage_bug+0xc0/0xc0 [ 432.386894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.392438] ? check_preemption_disabled+0x48/0x280 [ 432.397467] ? __lock_is_held+0xb5/0x140 [ 432.401537] __alloc_pages_nodemask+0xa80/0xde0 [ 432.406206] ? zap_class+0x640/0x640 [ 432.409951] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 432.414982] ? find_held_lock+0x36/0x1c0 [ 432.419054] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.423726] ? lock_downgrade+0x900/0x900 [ 432.427886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.433430] cache_grow_begin+0xa5/0x8c0 [ 432.437519] ? do_raw_spin_unlock+0xa7/0x330 [ 432.441942] fallback_alloc+0x204/0x2e0 [ 432.445929] ____cache_alloc_node+0x1c7/0x1e0 [ 432.450460] kmem_cache_alloc_node+0xe3/0x730 [ 432.454957] ? ipv6_get_ifaddr+0x42e/0x620 [ 432.459206] __alloc_skb+0x119/0x770 [ 432.462926] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.468213] ? netdev_alloc_frag+0x1f0/0x1f0 [ 432.472623] ? lock_downgrade+0x900/0x900 [ 432.476783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.482347] ? refcount_sub_and_test_checked+0x203/0x310 [ 432.487806] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 432.493257] ? addrconf_rs_timer+0x690/0x690 [ 432.497691] ndisc_alloc_skb+0x144/0x340 [ 432.501764] ndisc_send_rs+0x331/0x6e0 [ 432.505746] addrconf_rs_timer+0x314/0x690 [ 432.509986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.514248] call_timer_fn+0x272/0x920 [ 432.518147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.522391] ? process_timeout+0x40/0x40 [ 432.526466] ? __run_timers+0x7da/0xc70 [ 432.530451] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.534952] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.539448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.543684] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.548273] ? trace_hardirqs_on+0xbd/0x310 [ 432.552606] ? kasan_check_read+0x11/0x20 [ 432.556755] ? __run_timers+0x7da/0xc70 [ 432.560733] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.565844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.570086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.574334] __run_timers+0x7e5/0xc70 [ 432.578154] ? timer_fixup_init+0x70/0x70 [ 432.582312] ? compat_start_thread+0x80/0x80 [ 432.586734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.592293] ? _raw_spin_unlock_irq+0x60/0x80 [ 432.596799] ? finish_task_switch+0x1f4/0x910 [ 432.601303] ? finish_task_switch+0x1b4/0x910 [ 432.605806] ? __switch_to_asm+0x34/0x70 [ 432.609872] ? preempt_notifier_register+0x200/0x200 [ 432.614979] ? __switch_to_asm+0x34/0x70 [ 432.619040] ? __switch_to_asm+0x40/0x70 [ 432.623102] ? __switch_to_asm+0x34/0x70 [ 432.627175] ? __switch_to_asm+0x40/0x70 [ 432.631260] ? __switch_to_asm+0x34/0x70 [ 432.635346] ? __switch_to_asm+0x40/0x70 [ 432.639414] ? __switch_to_asm+0x40/0x70 [ 432.643493] ? pvclock_read_flags+0x160/0x160 [ 432.647992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.653533] ? check_preemption_disabled+0x48/0x280 [ 432.658564] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 432.664127] ? rcu_pm_notify+0xc0/0xc0 [ 432.668023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.673561] ? check_preemption_disabled+0x48/0x280 [ 432.678601] run_timer_softirq+0x52/0xb0 [ 432.682668] ? rcu_read_lock_sched_held+0x14f/0x180 [ 432.687688] __do_softirq+0x308/0xb7e [ 432.691498] ? retint_kernel+0x2d/0x2d [ 432.695390] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 432.700495] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.705954] ? schedule+0x108/0x460 [ 432.709588] ? __schedule+0x21d0/0x21d0 [ 432.713571] ? trace_hardirqs_off+0xb8/0x310 [ 432.717985] ? smpboot_thread_fn+0x68b/0xa00 [ 432.722399] ? trace_hardirqs_on+0x310/0x310 [ 432.726822] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.732364] ? check_preemption_disabled+0x48/0x280 [ 432.737383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.742925] ? takeover_tasklets+0xa90/0xa90 [ 432.747359] run_ksoftirqd+0x5e/0x100 [ 432.751171] smpboot_thread_fn+0x68b/0xa00 [ 432.755415] ? sort_range+0x30/0x30 [ 432.759050] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.764164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.769717] ? __kthread_parkme+0xfb/0x1a0 [ 432.773964] kthread+0x35a/0x420 [ 432.777344] ? sort_range+0x30/0x30 [ 432.780976] ? kthread_stop+0x900/0x900 [ 432.784961] ret_from_fork+0x3a/0x50 [ 432.788693] warn_alloc_show_mem: 1 callbacks suppressed [ 432.788704] CPU: 1 PID: 5483 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 432.788706] Mem-Info: [ 432.788738] active_anon:51666 inactive_anon:132 isolated_anon:0 [ 432.788738] active_file:13 inactive_file:12 isolated_file:0 [ 432.788738] unevictable:0 dirty:0 writeback:0 unstable:0 [ 432.788738] slab_reclaimable:8930 slab_unreclaimable:1469701 [ 432.788738] mapped:32779 shmem:138 pagetables:554 bounce:0 [ 432.788738] free:13679 free_pcp:387 free_cma:0 [ 432.794082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.800758] Node 0 active_anon:206664kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131116kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 432.803160] Call Trace: [ 432.836063] Node 0 [ 432.845424] [ 432.872971] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 432.875554] dump_stack+0x244/0x39d [ 432.877774] lowmem_reserve[]: [ 432.879924] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.905412] 0 2818 [ 432.909077] warn_alloc.cold.117+0xb7/0x1bd [ 432.912146] 6321 [ 432.917360] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.919573] 6321 [ 432.923901] ? lock_downgrade+0x900/0x900 [ 432.925953] Node 0 [ 432.930808] ? trace_hardirqs_off+0xb8/0x310 [ 432.932875] DMA32 free:24860kB min:30052kB low:37564kB high:45076kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 432.932884] lowmem_reserve[]: [ 432.937046] ? trace_hardirqs_off+0xb8/0x310 [ 432.939255] 0 [ 432.943668] __alloc_pages_slowpath+0x2660/0x2d70 [ 432.970640] 0 3503 [ 432.973811] ? warn_alloc+0x120/0x120 [ 432.978167] 3503 [ 432.979974] ? warn_alloc+0x120/0x120 [ 432.984799] Node 0 [ 432.987059] ? print_usage_bug+0xc0/0xc0 [ 432.990862] Normal free:13948kB min:37364kB low:46704kB high:56044kB active_anon:206604kB inactive_anon:528kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5216kB pagetables:2216kB bounce:0kB free_pcp:1300kB local_pcp:248kB free_cma:0kB [ 432.990871] lowmem_reserve[]: [ 432.992935] ? warn_alloc+0x120/0x120 [ 432.996714] 0 [ 432.998951] ? print_usage_bug+0xc0/0xc0 [ 433.002996] 0 [ 433.031396] ? __lock_acquire+0x62f/0x4c20 [ 433.034488] 0 [ 433.038296] ? __lock_acquire+0x62f/0x4c20 [ 433.040081] 0 [ 433.044141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.050153] ? should_fail+0x22d/0xd01 [ 433.051936] Node 0 [ 433.056168] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.056187] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.057971] DMA: [ 433.063507] ? __lock_acquire+0x62f/0x4c20 [ 433.067373] 1*4kB [ 433.069606] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.074883] (U) [ 433.080006] ? __lock_acquire+0x62f/0x4c20 [ 433.082051] 0*8kB [ 433.086290] ? should_fail+0x22d/0xd01 [ 433.088420] 0*16kB [ 433.093525] ? rcu_irq_exit+0x1a2/0x390 [ 433.095484] 1*32kB [ 433.099738] ? mark_held_locks+0x130/0x130 [ 433.101857] (U) [ 433.105752] ? mark_held_locks+0x130/0x130 [ 433.107969] 2*64kB [ 433.111952] ? mark_held_locks+0xc7/0x130 [ 433.114167] (U) [ 433.118404] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 433.120361] 1*128kB [ 433.124592] ? zap_class+0x640/0x640 [ 433.126808] (U) [ 433.130961] ? print_usage_bug+0xc0/0xc0 [ 433.132923] 1*256kB [ 433.137937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.140247] (U) [ 433.143963] ? check_preemption_disabled+0x48/0x280 [ 433.145931] 0*512kB [ 433.150003] ? __lock_is_held+0xb5/0x140 [ 433.152332] 1*1024kB [ 433.157893] __alloc_pages_nodemask+0xa80/0xde0 [ 433.159849] (U) [ 433.164868] ? zap_class+0x640/0x640 [ 433.167169] 1*2048kB [ 433.171230] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 433.173620] (M) [ 433.178306] ? find_held_lock+0x36/0x1c0 [ 433.180255] 3*4096kB [ 433.183990] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.186389] (M) [ 433.191412] ? lock_downgrade+0x900/0x900 [ 433.193368] = 15908kB [ 433.197433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.199818] Node 0 [ 433.204496] cache_grow_begin+0xa5/0x8c0 [ 433.206462] DMA32: [ 433.210607] ? do_raw_spin_unlock+0xa7/0x330 [ 433.213003] 5*4kB [ 433.218545] fallback_alloc+0x204/0x2e0 [ 433.220752] (M) 1*8kB [ 433.224841] ____cache_alloc_node+0x1c7/0x1e0 [ 433.227065] (U) [ 433.231484] kmem_cache_alloc_node+0xe3/0x730 [ 433.233613] 4*16kB [ 433.237584] ? ipv6_get_ifaddr+0x42e/0x620 [ 433.240059] (M) [ 433.244559] __alloc_skb+0x119/0x770 [ 433.246521] 2*32kB [ 433.251026] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.253232] (M) 4*64kB [ 433.257475] ? netdev_alloc_frag+0x1f0/0x1f0 [ 433.259442] (UM) 3*128kB [ 433.263170] ? lock_downgrade+0x900/0x900 [ 433.265385] (M) [ 433.270662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.273224] 4*256kB [ 433.277632] ? refcount_sub_and_test_checked+0x203/0x310 [ 433.280368] (UM) [ 433.284514] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 433.286473] 3*512kB [ 433.292034] ? addrconf_rs_timer+0x690/0x690 [ 433.294364] (M) [ 433.299819] ndisc_alloc_skb+0x144/0x340 [ 433.301870] 3*1024kB (UM) [ 433.307328] ndisc_send_rs+0x331/0x6e0 [ 433.309638] 3*2048kB [ 433.314057] addrconf_rs_timer+0x314/0x690 [ 433.316039] (UM) [ 433.320113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.322933] 3*4096kB (M) [ 433.326850] call_timer_fn+0x272/0x920 [ 433.329227] = 24860kB [ 433.333457] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.335504] Node 0 [ 433.339740] ? process_timeout+0x40/0x40 [ 433.342470] Normal: 767*4kB [ 433.346374] ? mark_held_locks+0xc7/0x130 [ 433.348759] (UME) [ 433.352997] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.355210] 454*8kB (ME) [ 433.359312] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.362314] 185*16kB [ 433.366485] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.368611] (UME) [ 433.373106] ? lockdep_hardirqs_on+0x296/0x5b0 [ 433.375870] 80*32kB [ 433.380362] ? trace_hardirqs_on+0xbd/0x310 [ 433.382750] (UME) [ 433.386986] ? kasan_check_read+0x11/0x20 [ 433.389123] 22*64kB [ 433.393717] ? __run_timers+0x7da/0xc70 [ 433.396011] (M) 1*128kB [ 433.400344] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.402473] (U) [ 433.406622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.408938] 1*256kB [ 433.412928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.415585] (U) [ 433.420692] __run_timers+0x7e5/0xc70 [ 433.422640] 0*512kB 0*1024kB [ 433.426892] ? timer_fixup_init+0x70/0x70 [ 433.429194] 0*2048kB [ 433.433430] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.435384] 0*4096kB [ 433.439182] ? zap_class+0x640/0x640 [ 433.442267] = 14012kB [ 433.446425] ? print_usage_bug+0xc0/0xc0 [ 433.448827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 433.453869] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.456262] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 433.459970] ? find_held_lock+0x36/0x1c0 [ 433.462373] 163 total pagecache pages [ 433.466949] ? zap_class+0x640/0x640 [ 433.475774] 0 pages in swap cache [ 433.480986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.489538] Swap cache stats: add 0, delete 0, find 0/0 [ 433.489548] Free swap = 0kB [ 433.493617] ? check_preemption_disabled+0x48/0x280 [ 433.497390] Total swap = 0kB [ 433.497399] 1965979 pages RAM [ 433.501122] ? __lock_is_held+0xb5/0x140 [ 433.504550] 0 pages HighMem/MovableOnly [ 433.510096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.515449] 342867 pages reserved [ 433.515459] 0 pages cma reserved [ 433.518486] ? check_preemption_disabled+0x48/0x280 [ 433.523556] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 433.526505] run_timer_softirq+0x52/0xb0 [ 433.529755] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.533652] ? rcu_read_lock_sched_held+0x14f/0x180 [ 433.537603] ksoftirqd/0 cpuset= [ 433.543140] __do_softirq+0x308/0xb7e [ 433.546573] / [ 433.549941] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 433.554943] mems_allowed=0 [ 433.561434] ? lock_downgrade+0x900/0x900 [ 433.561455] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 433.606199] ? pvclock_read_flags+0x160/0x160 [ 433.610700] ? lapic_next_event+0x5a/0x90 [ 433.614857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.620423] ? kvm_clock_read+0x18/0x30 [ 433.624404] ? kvm_sched_clock_read+0x9/0x20 [ 433.628863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.634406] ? check_preemption_disabled+0x48/0x280 [ 433.639435] irq_exit+0x17f/0x1c0 [ 433.642908] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.647758] ? smp_reschedule_interrupt+0x109/0x650 [ 433.652790] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.658679] ? interrupt_entry+0xb5/0xc0 [ 433.662743] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.667760] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.672784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.677635] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.682653] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.687674] ? task_prio+0x50/0x50 [ 433.691222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.696770] ? check_preemption_disabled+0x48/0x280 [ 433.701802] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.706667] apic_timer_interrupt+0xf/0x20 [ 433.710897] [ 433.713141] RIP: 0010:dump_stack+0x358/0x39d [ 433.717568] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 433.736505] RSP: 0000:ffff8801ba69e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 433.744225] RAX: ffff8801d7958300 RBX: 1ffffffff12a3e8e RCX: 1ffff1003af2b17e [ 433.751502] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 [ 433.758798] RBP: ffff8801ba69e2c8 R08: ffff8801d7958bf0 R09: 0000000000000006 [ 433.766083] R10: 0000000000000000 R11: ffff8801d7958300 R12: 1ffff100374d3c4c [ 433.773378] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 433.780677] ? dump_stack+0x34f/0x39d [ 433.784499] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.789709] dump_header+0x27b/0xf72 [ 433.793439] ? mark_held_locks+0x130/0x130 [ 433.797687] ? pagefault_out_of_memory+0x197/0x197 [ 433.802630] ? __lock_acquire+0x62f/0x4c20 [ 433.806866] ? zap_class+0x640/0x640 [ 433.810588] ? percpu_ref_get_many+0x240/0x240 [ 433.815178] ? print_usage_bug+0xc0/0xc0 [ 433.819245] ? print_usage_bug+0xc0/0xc0 [ 433.823322] ? zap_class+0x640/0x640 [ 433.827064] ? print_usage_bug+0xc0/0xc0 [ 433.831129] ? print_usage_bug+0xc0/0xc0 [ 433.835229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.840789] ? find_held_lock+0x36/0x1c0 [ 433.844894] ? mark_held_locks+0xc7/0x130 [ 433.849072] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.854205] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.859338] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 433.863940] ? trace_hardirqs_on+0xbd/0x310 [ 433.868267] ? kasan_check_read+0x11/0x20 [ 433.872437] ? ___ratelimit+0x3b4/0x672 [ 433.876417] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.881529] ? trace_hardirqs_on+0x310/0x310 [ 433.885948] ? lock_downgrade+0x900/0x900 [ 433.890111] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.895216] ? ___ratelimit+0x3b9/0x672 [ 433.899230] ? idr_get_free+0xec0/0xec0 [ 433.903209] ? find_held_lock+0x36/0x1c0 [ 433.907296] oom_kill_process.cold.27+0x10/0x903 [ 433.912060] ? zap_class+0x640/0x640 [ 433.915777] ? check_preemption_disabled+0x48/0x280 [ 433.920802] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.925739] ? kasan_check_read+0x11/0x20 [ 433.929891] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.935174] ? oom_evaluate_task+0x540/0x540 [ 433.939588] ? find_held_lock+0x36/0x1c0 [ 433.943661] ? out_of_memory+0x974/0x1430 [ 433.947811] ? lock_downgrade+0x900/0x900 [ 433.951966] ? check_preemption_disabled+0x48/0x280 [ 433.956989] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.961921] ? kasan_check_read+0x11/0x20 [ 433.966077] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.971360] ? rcu_softirq_qs+0x20/0x20 [ 433.975344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.980884] ? oom_evaluate_task+0x302/0x540 [ 433.985313] out_of_memory+0xa84/0x1430 [ 433.989320] ? oom_killer_disable+0x3a0/0x3a0 [ 433.993847] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 433.998794] ? __mutex_add_waiter+0x2a0/0x2a0 [ 434.003317] __alloc_pages_slowpath+0x22d4/0x2d70 [ 434.008193] ? warn_alloc+0x120/0x120 [ 434.012000] ? rcu_softirq_qs+0x20/0x20 [ 434.016020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.021563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.027100] ? should_fail+0x22d/0xd01 [ 434.030992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.036098] ? zap_class+0x640/0x640 [ 434.039850] ? __lock_is_held+0xb5/0x140 [ 434.043922] ? mark_held_locks+0x130/0x130 [ 434.048160] ? lock_release+0xa00/0xa00 [ 434.052137] ? perf_trace_sched_process_exec+0x860/0x860 [ 434.057601] ? __might_sleep+0x95/0x190 [ 434.061583] __alloc_pages_nodemask+0xa80/0xde0 [ 434.066260] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 434.071299] ? __page_cache_alloc+0x191/0x5c0 [ 434.075800] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.080736] ? kasan_check_read+0x11/0x20 [ 434.084886] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.090171] ? zap_class+0x640/0x640