] receive_buf+0xb3c/0x3270 [ 350.063795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.069345] ? __msecs_to_jiffies+0x4a/0x60 [ 350.073683] ? update_group_capacity+0xf9/0x11a0 [ 350.078443] ? receive_mergeable+0x3a90/0x3a90 [ 350.083052] ? __update_idle_core+0x600/0x600 [ 350.087562] ? print_usage_bug+0xc0/0xc0 [ 350.091620] ? find_next_and_bit+0x183/0x1e0 [ 350.096100] ? cpumask_next_and+0x49/0x50 [ 350.100275] ? update_sd_lb_stats+0x41b/0x3230 [ 350.104856] ? try_to_wake_up+0x11c/0x1490 [ 350.109096] ? zap_class+0x640/0x640 [ 350.112822] ? zap_class+0x640/0x640 [ 350.116532] ? __update_load_avg_se+0x5eb/0xae0 [ 350.121200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.126772] ? __update_load_avg_blocked_se+0x690/0x690 [ 350.132148] ? __update_load_avg_se+0xae0/0xae0 [ 350.136817] ? __lock_is_held+0xb5/0x140 [ 350.140891] ? update_load_avg+0x387/0x2470 [ 350.145215] ? rcu_read_lock_sched_held+0x14f/0x180 [ 350.150234] ? update_cfs_rq_load_avg.part.68+0x253/0x2e0 [ 350.155779] ? attach_entity_load_avg+0x860/0x860 [ 350.160627] ? update_load_avg+0x13b8/0x2470 [ 350.165075] ? attach_entity_load_avg+0x860/0x860 [ 350.169940] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.175477] ? zap_class+0x640/0x640 [ 350.179202] ? mark_held_locks+0x130/0x130 [ 350.183439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.188980] ? vring_use_dma_api+0xa5/0xc0 [ 350.193217] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.198756] ? vring_unmap_one+0x5a/0x410 [ 350.202912] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.208450] ? detach_buf+0x34b/0x5d0 [ 350.212437] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 350.217994] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 350.222756] ? virtqueue_detach_unused_buf+0x220/0x220 [ 350.228038] ? print_usage_bug+0xc0/0xc0 [ 350.232103] virtnet_poll+0x421/0x105f [ 350.236005] ? receive_buf+0x3270/0x3270 [ 350.240068] ? __lock_acquire+0x62f/0x4c20 [ 350.244303] ? net_rx_action+0x4b5/0x19b0 [ 350.248444] ? net_rx_action+0x4b5/0x19b0 [ 350.252593] ? lockdep_hardirqs_on+0x296/0x5b0 [ 350.257184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.262720] ? check_preemption_disabled+0x48/0x280 [ 350.267732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.273284] net_rx_action+0x7fa/0x19b0 [ 350.277300] ? napi_complete_done+0x7a0/0x7a0 [ 350.281843] ? rcu_note_context_switch+0x12ad/0x2150 [ 350.286955] ? zap_class+0x640/0x640 [ 350.290672] ? run_rebalance_domains+0x500/0x500 [ 350.295459] ? zap_class+0x640/0x640 [ 350.299181] ? find_held_lock+0x36/0x1c0 [ 350.303252] ? finish_task_switch+0x1f4/0x910 [ 350.307753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.313290] ? __run_timers+0xa4a/0xc70 [ 350.317269] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 350.321854] ? trace_hardirqs_on+0xbd/0x310 [ 350.326190] ? kasan_check_read+0x11/0x20 [ 350.330345] ? finish_task_switch+0x1f4/0x910 [ 350.334842] ? timer_fixup_init+0x70/0x70 [ 350.338989] ? compat_start_thread+0x80/0x80 [ 350.343400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.348944] ? kasan_check_write+0x14/0x20 [ 350.353180] ? finish_task_switch+0x2f4/0x910 [ 350.357674] ? __switch_to_asm+0x40/0x70 [ 350.361750] ? preempt_notifier_register+0x200/0x200 [ 350.366848] ? __switch_to_asm+0x34/0x70 [ 350.370912] ? __switch_to_asm+0x34/0x70 [ 350.374968] ? __switch_to_asm+0x40/0x70 [ 350.379027] ? __switch_to_asm+0x34/0x70 [ 350.383081] ? __switch_to_asm+0x40/0x70 [ 350.387175] ? __switch_to_asm+0x34/0x70 [ 350.391236] ? __switch_to_asm+0x40/0x70 [ 350.395291] ? __switch_to_asm+0x34/0x70 [ 350.399360] ? pvclock_read_flags+0x160/0x160 [ 350.403882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.409421] ? check_preemption_disabled+0x48/0x280 [ 350.414459] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 350.419999] ? rcu_pm_notify+0xc0/0xc0 [ 350.423905] __do_softirq+0x308/0xb7e [ 350.427719] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 350.432825] ? smpboot_thread_fn+0x334/0xa00 [ 350.437241] ? schedule+0x108/0x460 [ 350.440881] ? trace_hardirqs_off+0xb8/0x310 [ 350.445290] ? smpboot_thread_fn+0x68b/0xa00 [ 350.449716] ? trace_hardirqs_on+0x310/0x310 [ 350.454126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.459694] ? check_preemption_disabled+0x48/0x280 [ 350.464709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.470245] ? takeover_tasklets+0xa90/0xa90 [ 350.474660] run_ksoftirqd+0x5e/0x100 [ 350.478463] smpboot_thread_fn+0x68b/0xa00 [ 350.482703] ? sort_range+0x30/0x30 [ 350.486344] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 350.491446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.496997] ? __kthread_parkme+0xfb/0x1a0 [ 350.501269] ? sort_range+0x30/0x30 [ 350.504897] kthread+0x35a/0x440 [ 350.508281] ? kthread_stop+0x900/0x900 [ 350.512257] ret_from_fork+0x3a/0x50 [ 350.515997] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 350.516002] warn_alloc_show_mem: 1 callbacks suppressed [ 350.516010] Mem-Info: [ 350.523363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.528732] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 350.528732] active_file:15 inactive_file:12 isolated_file:0 [ 350.528732] unevictable:0 dirty:0 writeback:0 unstable:0 [ 350.528732] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 350.528732] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 350.528732] free:13769 free_pcp:281 free_cma:0 [ 350.531126] Call Trace: [ 350.540536] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 350.573666] [ 350.576236] 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 [ 350.604072] dump_stack+0x244/0x39d [ 350.606199] lowmem_reserve[]: 0 2818 6321 6321 [ 350.632301] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.635903] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 350.640502] warn_alloc.cold.116+0xb7/0x1bd [ 350.645655] lowmem_reserve[]: 0 0 3503 3503 [ 350.673055] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.677351] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:876kB local_pcp:604kB free_cma:0kB [ 350.681665] ? lock_downgrade+0x900/0x900 [ 350.681686] ? trace_hardirqs_off+0xb8/0x310 [ 350.686503] lowmem_reserve[]: 0 0 0 0 [ 350.715559] ? trace_hardirqs_off+0xb8/0x310 [ 350.719678] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 350.724083] __alloc_pages_slowpath+0x26e8/0x2e10 [ 350.727855] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 350.732275] ? warn_alloc+0x120/0x120 [ 350.745749] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 350.750587] ? print_usage_bug+0xc0/0xc0 [ 350.766101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 350.769886] ? warn_alloc+0x120/0x120 [ 350.784608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 350.788658] ? warn_alloc+0x120/0x120 [ 350.797472] 12557 total pagecache pages [ 350.801269] ? print_usage_bug+0xc0/0xc0 [ 350.809819] 0 pages in swap cache [ 350.813605] ? print_usage_bug+0xc0/0xc0 [ 350.817559] Swap cache stats: add 0, delete 0, find 0/0 [ 350.821609] ? __lock_acquire+0x62f/0x4c20 [ 350.825038] Free swap = 0kB [ 350.829091] ? __local_bh_enable_ip+0x160/0x260 [ 350.834429] Total swap = 0kB [ 350.838658] ? lockdep_hardirqs_on+0x296/0x5b0 [ 350.841663] 1965979 pages RAM [ 350.846327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.849325] 0 pages HighMem/MovableOnly [ 350.853898] ? should_fail+0x22d/0xd01 [ 350.856978] 342853 pages reserved [ 350.862522] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.866471] 0 pages cma reserved [ 350.870351] ? __lock_acquire+0x62f/0x4c20 [ 350.873903] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.878894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.882238] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 350.886476] ? __lock_acquire+0x62f/0x4c20 [ 350.910737] ? should_fail+0x22d/0xd01 [ 350.914638] ? mark_held_locks+0x130/0x130 [ 350.918899] ? mark_held_locks+0x130/0x130 [ 350.923147] ? __local_bh_enable_ip+0x160/0x260 [ 350.927824] ? lockdep_hardirqs_on+0x296/0x5b0 [ 350.932410] ? zap_class+0x640/0x640 [ 350.936129] ? print_usage_bug+0xc0/0xc0 [ 350.940235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.945776] ? check_preemption_disabled+0x48/0x280 [ 350.950798] ? __lock_is_held+0xb5/0x140 [ 350.954869] __alloc_pages_nodemask+0xa80/0xde0 [ 350.959535] ? zap_class+0x640/0x640 [ 350.963255] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 350.968280] ? find_held_lock+0x36/0x1c0 [ 350.972357] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.977025] ? lock_downgrade+0x900/0x900 [ 350.981187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.986735] cache_grow_begin+0xa5/0x8c0 [ 350.990797] ? do_raw_spin_unlock+0xa7/0x330 [ 350.995233] fallback_alloc+0x204/0x2e0 [ 350.999216] ____cache_alloc_node+0x1c7/0x1e0 [ 351.003729] kmem_cache_alloc_node+0xe3/0x730 [ 351.008243] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.012505] __alloc_skb+0x119/0x770 [ 351.016214] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.021491] ? netdev_alloc_frag+0x1f0/0x1f0 [ 351.025897] ? lock_downgrade+0x900/0x900 [ 351.030052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.035588] ? refcount_sub_and_test_checked+0x203/0x310 [ 351.041040] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 351.046518] ? addrconf_rs_timer+0x690/0x690 [ 351.050942] ndisc_alloc_skb+0x144/0x340 [ 351.055020] ndisc_send_rs+0x331/0x6e0 [ 351.058924] addrconf_rs_timer+0x314/0x690 [ 351.063171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.067414] call_timer_fn+0x272/0x920 [ 351.071304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.075536] ? process_timeout+0x40/0x40 [ 351.079602] ? __run_timers+0x7da/0xc70 [ 351.083574] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.088068] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.092564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.096797] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.101398] ? trace_hardirqs_on+0xbd/0x310 [ 351.105719] ? kasan_check_read+0x11/0x20 [ 351.109865] ? __run_timers+0x7da/0xc70 [ 351.113838] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.118946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.123219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.127452] __run_timers+0x7e5/0xc70 [ 351.131273] ? timer_fixup_init+0x70/0x70 [ 351.135425] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 351.140491] ? zap_class+0x640/0x640 [ 351.144224] ? enqueue_hrtimer+0x1a5/0x560 [ 351.148480] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 351.153680] ? find_held_lock+0x36/0x1c0 [ 351.157751] ? zap_class+0x640/0x640 [ 351.161471] ? pvclock_read_flags+0x160/0x160 [ 351.165970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.171520] ? check_preemption_disabled+0x48/0x280 [ 351.176540] ? __lock_is_held+0xb5/0x140 [ 351.180604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.186145] ? check_preemption_disabled+0x48/0x280 [ 351.191226] run_timer_softirq+0x52/0xb0 [ 351.195291] ? rcu_read_lock_sched_held+0x14f/0x180 [ 351.200308] __do_softirq+0x308/0xb7e [ 351.204111] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 351.208630] ? lock_downgrade+0x900/0x900 [ 351.213285] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 351.218401] ? pvclock_read_flags+0x160/0x160 [ 351.222897] ? lapic_next_event+0x5a/0x90 [ 351.227049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.232592] ? kvm_clock_read+0x18/0x30 [ 351.236563] ? kvm_sched_clock_read+0x9/0x20 [ 351.240975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.246515] ? check_preemption_disabled+0x48/0x280 [ 351.251539] irq_exit+0x17f/0x1c0 [ 351.254991] smp_apic_timer_interrupt+0x1cb/0x760 [ 351.259832] ? smp_reschedule_interrupt+0x109/0x650 [ 351.264846] ? smp_call_function_single_interrupt+0x650/0x650 [ 351.270727] ? interrupt_entry+0xb5/0xc0 [ 351.274786] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.279815] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.284836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.289677] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.294723] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.299741] ? task_prio+0x50/0x50 [ 351.303281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.308823] ? check_preemption_disabled+0x48/0x280 [ 351.313854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.318723] apic_timer_interrupt+0xf/0x20 [ 351.322954] [ 351.325194] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 351.331081] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 351.350174] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 351.357891] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 351.365164] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 351.372440] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 351.379706] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 351.386974] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 351.394266] ? save_stack+0xa9/0xd0 [ 351.397903] __kmalloc_node_track_caller+0x3c/0x70 [ 351.402849] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 351.407610] pskb_expand_head+0x230/0x10f0 [ 351.411843] ? check_preemption_disabled+0x48/0x280 [ 351.416862] ? memcpy+0x45/0x50 [ 351.420161] ? __copy_skb_header+0x350/0x6b0 [ 351.424598] ? skb_release_data+0x880/0x880 [ 351.428915] ? __alloc_skb+0x770/0x770 [ 351.432806] ? __lock_is_held+0xb5/0x140 [ 351.436875] ? kasan_check_write+0x14/0x20 [ 351.441108] ? __skb_clone+0x6c7/0xa00 [ 351.445000] ? __copy_skb_header+0x6b0/0x6b0 [ 351.449409] ? kmem_cache_alloc+0x33a/0x730 [ 351.453734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.459284] skb_ensure_writable+0x3dd/0x640 [ 351.463701] ? skb_checksum_setup+0xaa0/0xaa0 [ 351.468215] ? preempt_notifier_register+0x200/0x200 [ 351.473318] ? __switch_to_asm+0x34/0x70 [ 351.477374] ? __switch_to_asm+0x34/0x70 [ 351.481430] ? __switch_to_asm+0x40/0x70 [ 351.485485] ? __switch_to_asm+0x34/0x70 [ 351.489562] ? __switch_to_asm+0x40/0x70 [ 351.493624] ? __switch_to_asm+0x40/0x70 [ 351.497715] ? __switch_to_asm+0x34/0x70 [ 351.501783] ? __switch_to_asm+0x34/0x70 [ 351.505840] ? __switch_to_asm+0x40/0x70 [ 351.509899] ? __switch_to_asm+0x34/0x70 [ 351.513966] bpf_clone_redirect+0x14a/0x490 [ 351.518297] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 351.523318] ? __sched_text_start+0x8/0x8 [ 351.527471] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 351.532235] ? find_held_lock+0x36/0x1c0 [ 351.536305] ? lock_acquire+0x1ed/0x520 [ 351.540283] ? bpf_test_run+0x3cb/0x780 [ 351.544257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.549791] ? check_preemption_disabled+0x48/0x280 [ 351.554811] ? kasan_check_read+0x11/0x20 [ 351.558959] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.564239] ? rcu_softirq_qs+0x20/0x20 [ 351.568262] ? preempt_schedule+0x4d/0x60 [ 351.572410] ? ___preempt_schedule+0x16/0x18 [ 351.576830] ? bpf_test_run+0x25d/0x780 [ 351.580830] ? netlink_diag_dump+0x2a0/0x2a0 [ 351.585241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.590792] ? bpf_test_init.isra.10+0x70/0x100 [ 351.595463] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 351.600263] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 351.605104] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.610647] ? fput+0x130/0x1a0 [ 351.613923] ? __bpf_prog_get+0x9b/0x290 [ 351.617985] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 351.622829] ? bpf_prog_test_run+0x130/0x1a0 [ 351.627241] ? __x64_sys_bpf+0x3db/0x520 [ 351.631333] ? bpf_prog_get+0x20/0x20 [ 351.635167] ? do_syscall_64+0x1b9/0x820 [ 351.639232] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 351.644600] ? syscall_return_slowpath+0x5e0/0x5e0 [ 351.649533] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.654548] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 351.659579] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 351.666272] ? __switch_to_asm+0x40/0x70 [ 351.670332] ? __switch_to_asm+0x34/0x70 [ 351.674399] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.679248] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.684629] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 351.684699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 351.691559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.691568] Call Trace: [ 351.698155] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.707426] dump_stack+0x244/0x39d [ 351.709985] syz-executor2 cpuset=syz2 mems_allowed=0 [ 351.720461] ? dump_stack_print_info.cold.1+0x20/0x20 [ 351.734348] warn_alloc.cold.116+0xb7/0x1bd [ 351.738705] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.743576] ? lock_downgrade+0x900/0x900 [ 351.747735] ? trace_hardirqs_off+0xb8/0x310 [ 351.752157] ? trace_hardirqs_off+0xb8/0x310 [ 351.756587] __alloc_pages_slowpath+0x26e8/0x2e10 [ 351.761471] ? warn_alloc+0x120/0x120 [ 351.765279] ? warn_alloc+0x120/0x120 [ 351.769083] ? print_usage_bug+0xc0/0xc0 [ 351.773153] ? warn_alloc+0x120/0x120 [ 351.776957] ? print_usage_bug+0xc0/0xc0 [ 351.781017] ? print_usage_bug+0xc0/0xc0 [ 351.785085] ? ep_poll_callback+0xa7b/0x10e0 [ 351.789495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.795035] ? should_fail+0x22d/0xd01 [ 351.798988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.804124] ? __lock_acquire+0x62f/0x4c20 [ 351.808370] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.813474] ? should_fail+0x22d/0xd01 [ 351.817378] ? mark_held_locks+0x130/0x130 [ 351.821615] ? mark_held_locks+0x130/0x130 [ 351.825857] ? reverse_path_check_proc+0x5c0/0x5c0 [ 351.830790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.836331] ? check_preemption_disabled+0x48/0x280 [ 351.841356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.846909] ? check_preemption_disabled+0x48/0x280 [ 351.851947] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 351.857482] ? rcu_pm_notify+0xc0/0xc0 [ 351.861378] __alloc_pages_nodemask+0xa80/0xde0 [ 351.866048] ? zap_class+0x640/0x640 [ 351.869765] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 351.874817] ? find_held_lock+0x36/0x1c0 [ 351.878890] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.883565] ? lock_downgrade+0x900/0x900 [ 351.887721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.893264] cache_grow_begin+0xa5/0x8c0 [ 351.897328] ? do_raw_spin_unlock+0xa7/0x330 [ 351.901746] fallback_alloc+0x204/0x2e0 [ 351.905727] ____cache_alloc_node+0x1c7/0x1e0 [ 351.910243] kmem_cache_alloc+0x1f8/0x730 [ 351.914394] ? print_usage_bug+0xc0/0xc0 [ 351.918463] __build_skb+0xab/0x430 [ 351.922095] ? skb_try_coalesce+0x1b70/0x1b70 [ 351.926594] ? print_usage_bug+0xc0/0xc0 [ 351.930660] ? __alloc_pages_nodemask+0xde0/0xde0 [ 351.935522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.941071] ? check_preemption_disabled+0x48/0x280 [ 351.946094] __napi_alloc_skb+0x1d6/0x310 [ 351.950273] page_to_skb.isra.45+0xee/0x8d0 [ 351.954623] ? check_preemption_disabled+0x48/0x280 [ 351.959641] ? virtnet_remove+0xf0/0xf0 [ 351.963618] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 351.968570] ? kasan_check_read+0x11/0x20 [ 351.972720] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.977995] ? rcu_softirq_qs+0x20/0x20 [ 351.981982] receive_mergeable+0x155d/0x3a90 [ 351.986426] ? virtnet_probe+0x2240/0x2240 [ 351.990667] ? zap_class+0x640/0x640 [ 351.994395] ? zap_class+0x640/0x640 [ 351.998147] ? rb_erase+0x3710/0x3710 [ 352.001946] ? cpuacct_charge+0x265/0x440 [ 352.006096] ? zap_class+0x640/0x640 [ 352.009826] ? find_held_lock+0x36/0x1c0 [ 352.013888] ? cpuacct_charge+0x265/0x440 [ 352.018033] ? find_held_lock+0x36/0x1c0 [ 352.022099] ? update_curr+0x4cf/0xbd0 [ 352.025984] ? lock_downgrade+0x900/0x900 [ 352.030127] ? check_preemption_disabled+0x48/0x280 [ 352.035166] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.040107] ? kasan_check_read+0x11/0x20 [ 352.044265] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.049541] ? rcu_softirq_qs+0x20/0x20 [ 352.053585] ? update_curr+0x4ec/0xbd0 [ 352.057472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.063037] ? __cpu_to_node+0x7d/0xa0 [ 352.066927] ? account_entity_enqueue+0x3a3/0x660 [ 352.071774] ? zap_class+0x640/0x640 [ 352.075495] ? enqueue_entity+0x34b/0x20a0 [ 352.079728] ? __lock_acquire+0x62f/0x4c20 [ 352.083973] ? print_usage_bug+0xc0/0xc0 [ 352.088035] ? __lock_is_held+0xb5/0x140 [ 352.092110] ? update_curr+0x344/0xbd0 [ 352.096016] ? zap_class+0x640/0x640 [ 352.099728] ? __lock_is_held+0xb5/0x140 [ 352.103804] ? rb_erase_cached+0xc78/0x3720 [ 352.108132] ? rb_next+0x140/0x140 [ 352.111690] ? mark_held_locks+0x130/0x130 [ 352.115928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.121469] ? ring_buffer_record_is_on+0xe1/0x130 [ 352.126400] ? zap_class+0x640/0x640 [ 352.130113] ? zap_class+0x640/0x640 [ 352.133848] ? check_preemption_disabled+0x48/0x280 [ 352.138868] ? print_usage_bug+0xc0/0xc0 [ 352.142927] ? print_usage_bug+0xc0/0xc0 [ 352.147009] ? check_preemption_disabled+0x48/0x280 [ 352.152032] ? print_usage_bug+0xc0/0xc0 [ 352.156093] ? print_usage_bug+0xc0/0xc0 [ 352.160170] receive_buf+0xb3c/0x3270 [ 352.163993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.169546] ? __msecs_to_jiffies+0x4a/0x60 [ 352.173882] ? update_group_capacity+0xf9/0x11a0 [ 352.178639] ? receive_mergeable+0x3a90/0x3a90 [ 352.183222] ? __update_idle_core+0x600/0x600 [ 352.187734] ? print_usage_bug+0xc0/0xc0 [ 352.191807] ? find_next_and_bit+0x183/0x1e0 [ 352.196228] ? cpumask_next_and+0x49/0x50 [ 352.200378] ? update_sd_lb_stats+0x41b/0x3230 [ 352.204965] ? try_to_wake_up+0x11c/0x1490 [ 352.209205] ? zap_class+0x640/0x640 [ 352.213027] ? zap_class+0x640/0x640 [ 352.216744] ? __update_load_avg_se+0x5eb/0xae0 [ 352.221430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.226973] ? __update_load_avg_blocked_se+0x690/0x690 [ 352.232344] ? __update_load_avg_se+0xae0/0xae0 [ 352.237014] ? __lock_is_held+0xb5/0x140 [ 352.241085] ? update_load_avg+0x387/0x2470 [ 352.245411] ? rcu_read_lock_sched_held+0x14f/0x180 [ 352.250426] ? update_cfs_rq_load_avg.part.68+0x253/0x2e0 [ 352.255967] ? attach_entity_load_avg+0x860/0x860 [ 352.260815] ? update_load_avg+0x13b8/0x2470 [ 352.265248] ? attach_entity_load_avg+0x860/0x860 [ 352.270109] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 352.275658] ? zap_class+0x640/0x640 [ 352.279383] ? mark_held_locks+0x130/0x130 [ 352.283618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.289169] ? vring_use_dma_api+0xa5/0xc0 [ 352.293424] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 352.298964] ? vring_unmap_one+0x5a/0x410 [ 352.303118] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 352.308667] ? detach_buf+0x34b/0x5d0 [ 352.312485] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 352.318025] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 352.322792] ? virtqueue_detach_unused_buf+0x220/0x220 [ 352.328091] ? print_usage_bug+0xc0/0xc0 [ 352.332166] virtnet_poll+0x421/0x105f [ 352.336066] ? receive_buf+0x3270/0x3270 [ 352.340132] ? __lock_acquire+0x62f/0x4c20 [ 352.344384] ? net_rx_action+0x4b5/0x19b0 [ 352.348545] ? net_rx_action+0x4b5/0x19b0 [ 352.352708] ? lockdep_hardirqs_on+0x296/0x5b0 [ 352.357312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.362854] ? check_preemption_disabled+0x48/0x280 [ 352.367873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.373413] net_rx_action+0x7fa/0x19b0 [ 352.377402] ? napi_complete_done+0x7a0/0x7a0 [ 352.381901] ? rcu_note_context_switch+0x12ad/0x2150 [ 352.387056] ? zap_class+0x640/0x640 [ 352.390772] ? run_rebalance_domains+0x500/0x500 [ 352.395531] ? zap_class+0x640/0x640 [ 352.399252] ? find_held_lock+0x36/0x1c0 [ 352.403352] ? finish_task_switch+0x1f4/0x910 [ 352.407853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.413388] ? __run_timers+0xa4a/0xc70 [ 352.417366] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 352.421948] ? trace_hardirqs_on+0xbd/0x310 [ 352.426268] ? kasan_check_read+0x11/0x20 [ 352.430420] ? finish_task_switch+0x1f4/0x910 [ 352.434912] ? timer_fixup_init+0x70/0x70 [ 352.439054] ? compat_start_thread+0x80/0x80 [ 352.443465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.449007] ? kasan_check_write+0x14/0x20 [ 352.453242] ? finish_task_switch+0x2f4/0x910 [ 352.457738] ? __switch_to_asm+0x40/0x70 [ 352.461820] ? preempt_notifier_register+0x200/0x200 [ 352.466957] ? __switch_to_asm+0x34/0x70 [ 352.471013] ? __switch_to_asm+0x34/0x70 [ 352.475070] ? __switch_to_asm+0x40/0x70 [ 352.479151] ? __switch_to_asm+0x34/0x70 [ 352.483215] ? __switch_to_asm+0x40/0x70 [ 352.487301] ? __switch_to_asm+0x34/0x70 [ 352.491394] ? __switch_to_asm+0x40/0x70 [ 352.495466] ? __switch_to_asm+0x34/0x70 [ 352.499565] ? pvclock_read_flags+0x160/0x160 [ 352.504060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.509600] ? check_preemption_disabled+0x48/0x280 [ 352.514647] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 352.520207] ? rcu_pm_notify+0xc0/0xc0 [ 352.524114] __do_softirq+0x308/0xb7e [ 352.527930] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 352.533034] ? smpboot_thread_fn+0x334/0xa00 [ 352.537453] ? schedule+0x108/0x460 [ 352.541110] ? trace_hardirqs_off+0xb8/0x310 [ 352.545528] ? smpboot_thread_fn+0x68b/0xa00 [ 352.549934] ? trace_hardirqs_on+0x310/0x310 [ 352.554343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.559896] ? check_preemption_disabled+0x48/0x280 [ 352.564916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.570454] ? takeover_tasklets+0xa90/0xa90 [ 352.574882] run_ksoftirqd+0x5e/0x100 [ 352.578706] smpboot_thread_fn+0x68b/0xa00 [ 352.582977] ? sort_range+0x30/0x30 [ 352.586600] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.591700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.597238] ? __kthread_parkme+0xfb/0x1a0 [ 352.601475] ? sort_range+0x30/0x30 [ 352.605105] kthread+0x35a/0x440 [ 352.608479] ? kthread_stop+0x900/0x900 [ 352.612471] ret_from_fork+0x3a/0x50 [ 352.616207] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 352.616212] warn_alloc_show_mem: 1 callbacks suppressed [ 352.616220] Mem-Info: [ 352.623577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.628939] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 352.628939] active_file:15 inactive_file:12 isolated_file:0 [ 352.628939] unevictable:0 dirty:0 writeback:0 unstable:0 [ 352.628939] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 352.628939] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 352.628939] free:13769 free_pcp:281 free_cma:0 [ 352.631327] Call Trace: [ 352.640714] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 352.673815] [ 352.676382] 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 [ 352.704221] dump_stack+0x244/0x39d [ 352.706350] lowmem_reserve[]: 0 2818 6321 6321 [ 352.732452] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.736053] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 352.740641] warn_alloc.cold.116+0xb7/0x1bd [ 352.745813] lowmem_reserve[]: 0 0 3503 3503 [ 352.773219] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.777516] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:876kB local_pcp:604kB free_cma:0kB [ 352.781830] ? lock_downgrade+0x900/0x900 [ 352.786662] lowmem_reserve[]: 0 0 0 0 [ 352.815724] ? trace_hardirqs_off+0xb8/0x310 [ 352.819843] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 352.823639] ? trace_hardirqs_off+0xb8/0x310 [ 352.828026] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 352.841541] __alloc_pages_slowpath+0x26e8/0x2e10 [ 352.845922] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 352.861472] ? warn_alloc+0x120/0x120 [ 352.866275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 352.881001] ? print_usage_bug+0xc0/0xc0 [ 352.884785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 352.893605] ? warn_alloc+0x120/0x120 [ 352.897644] 12557 total pagecache pages [ 352.906228] ? warn_alloc+0x120/0x120 [ 352.910020] 0 pages in swap cache [ 352.913978] ? print_usage_bug+0xc0/0xc0 [ 352.917757] Swap cache stats: add 0, delete 0, find 0/0 [ 352.921201] ? kvm_clock_read+0x18/0x30 [ 352.925240] Free swap = 0kB [ 352.930611] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 352.934563] Total swap = 0kB [ 352.937573] ? print_usage_bug+0xc0/0xc0 [ 352.942561] 1965979 pages RAM [ 352.945574] ? __lock_acquire+0x62f/0x4c20 [ 352.949615] 0 pages HighMem/MovableOnly [ 352.952726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.956936] 342853 pages reserved [ 352.960905] ? should_fail+0x22d/0xd01 [ 352.966419] 0 pages cma reserved [ 352.969864] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.973875] Mem-Info: [ 352.977105] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.982425] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 352.982425] active_file:15 inactive_file:12 isolated_file:0 [ 352.982425] unevictable:0 dirty:0 writeback:0 unstable:0 [ 352.982425] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 352.982425] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 352.982425] free:13769 free_pcp:281 free_cma:0 [ 352.984768] ? __lock_acquire+0x62f/0x4c20 [ 352.989896] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 353.023193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.023206] ? __lock_acquire+0x62f/0x4c20 [ 353.023222] ? should_fail+0x22d/0xd01 [ 353.027441] 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 [ 353.055271] ? rcu_irq_exit+0x1a2/0x390 [ 353.055296] ? mark_held_locks+0x130/0x130 [ 353.055315] ? mark_held_locks+0x130/0x130 [ 353.060396] lowmem_reserve[]: 0 2818 6321 6321 [ 353.064626] ? mark_held_locks+0xc7/0x130 [ 353.064641] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 353.064657] ? zap_class+0x640/0x640 [ 353.068534] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 353.094629] ? print_usage_bug+0xc0/0xc0 [ 353.094647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.094672] ? check_preemption_disabled+0x48/0x280 [ 353.098626] lowmem_reserve[]: 0 0 3503 3503 [ 353.102875] ? __lock_is_held+0xb5/0x140 [ 353.102898] __alloc_pages_nodemask+0xa80/0xde0 [ 353.107110] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:876kB local_pcp:604kB free_cma:0kB [ 353.111686] ? zap_class+0x640/0x640 [ 353.115834] lowmem_reserve[]: 0 0 0 0 [ 353.120817] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 353.124534] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 353.151915] ? find_held_lock+0x36/0x1c0 [ 353.151939] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.155976] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 353.161515] ? lock_downgrade+0x900/0x900 [ 353.166531] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 353.170821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.174902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 353.179560] cache_grow_begin+0xa5/0x8c0 [ 353.208631] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 353.212312] ? do_raw_spin_unlock+0xa7/0x330 [ 353.212334] fallback_alloc+0x204/0x2e0 [ 353.212368] ____cache_alloc_node+0x1c7/0x1e0 [ 353.216153] 12557 total pagecache pages [ 353.221192] kmem_cache_alloc_node+0xe3/0x730 [ 353.234741] 0 pages in swap cache [ 353.238759] ? ipv6_get_ifaddr+0x42e/0x620 [ 353.243455] Swap cache stats: add 0, delete 0, find 0/0 [ 353.258945] __alloc_skb+0x119/0x770 [ 353.258958] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.258975] ? netdev_alloc_frag+0x1f0/0x1f0 [ 353.263126] Free swap = 0kB [ 353.277829] ? lock_downgrade+0x900/0x900 [ 353.277851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.277869] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.283442] Total swap = 0kB [ 353.292260] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.292276] ? addrconf_rs_timer+0x690/0x690 [ 353.292333] ndisc_alloc_skb+0x144/0x340 [ 353.296371] 1965979 pages RAM [ 353.304938] ndisc_send_rs+0x331/0x6e0 [ 353.304958] addrconf_rs_timer+0x314/0x690 [ 353.304978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.309383] 0 pages HighMem/MovableOnly [ 353.313383] call_timer_fn+0x272/0x920 [ 353.313412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.313427] ? process_timeout+0x40/0x40 [ 353.317905] 342853 pages reserved [ 353.321888] ? __run_timers+0x7da/0xc70 [ 353.321904] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.321919] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.326404] 0 pages cma reserved [ 353.329845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.329862] ? lockdep_hardirqs_on+0x296/0x5b0 [ 353.334104] Unreclaimable slab info: [ 353.339432] ? trace_hardirqs_on+0xbd/0x310 [ 353.343609] Name Used Total [ 353.348845] ? kasan_check_read+0x11/0x20 [ 353.348860] ? __run_timers+0x7da/0xc70 [ 353.353311] pid_2 1KB 36KB [ 353.356269] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.360460] TIPC 10KB 14KB [ 353.365948] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.365968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.365983] __run_timers+0x7e5/0xc70 [ 353.371434] SCTPv6 14KB 18KB [ 353.374437] ? timer_fixup_init+0x70/0x70 [ 353.374468] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 353.374484] ? zap_class+0x640/0x640 [ 353.379927] DCCPv6 17KB 21KB [ 353.384331] ? enqueue_hrtimer+0x1a5/0x560 [ 353.384362] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 353.384383] ? find_held_lock+0x36/0x1c0 [ 353.388447] DCCP 16KB 20KB [ 353.391535] ? zap_class+0x640/0x640 [ 353.395447] bridge_fdb_cache 13KB 15KB [ 353.399629] ? pvclock_read_flags+0x160/0x160 [ 353.403889] nf-frags 0KB 3KB [ 353.407827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.411694] fib6_nodes 76KB 92KB [ 353.415915] ? check_preemption_disabled+0x48/0x280 [ 353.415938] ? __lock_is_held+0xb5/0x140 [ 353.415955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.420001] ip6_dst_cache 109KB 247KB [ 353.423436] ? check_preemption_disabled+0x48/0x280 [ 353.423456] run_timer_softirq+0x52/0xb0 [ 353.423474] ? rcu_read_lock_sched_held+0x14f/0x180 [ 353.427435] RAWv6 68KB 71KB [ 353.431910] __do_softirq+0x308/0xb7e [ 353.431928] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 353.431945] ? lock_downgrade+0x900/0x900 [ 353.436428] UDPv6 3KB 3KB [ 353.439780] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 353.444028] TCPv6 23KB 23KB [ 353.448572] ? pvclock_read_flags+0x160/0x160 [ 353.452297] nf_conntrack 124KB 127KB [ 353.456576] ? lapic_next_event+0x5a/0x90 [ 353.462155] sd_ext_cdb 0KB 3KB [ 353.466230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.470184] scsi_sense_cache 1056KB 1060KB [ 353.475551] ? kvm_clock_read+0x18/0x30 [ 353.475565] ? kvm_sched_clock_read+0x9/0x20 [ 353.475582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.480691] virtio_scsi_cmd 16KB 16KB [ 353.486038] ? check_preemption_disabled+0x48/0x280 [ 353.486062] irq_exit+0x17f/0x1c0 [ 353.486079] smp_apic_timer_interrupt+0x1cb/0x760 [ 353.490306] sgpool-128 8KB 8KB [ 353.494516] ? smp_reschedule_interrupt+0x109/0x650 [ 353.494533] ? smp_call_function_single_interrupt+0x650/0x650 [ 353.494550] ? interrupt_entry+0xb5/0xc0 [ 353.498339] sgpool-64 4KB 6KB [ 353.503682] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.503694] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.503715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.507845] sgpool-32 2KB 7KB [ 353.512844] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.512857] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.512875] ? task_prio+0x50/0x50 [ 353.516580] sgpool-16 1KB 3KB [ 353.521928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.521957] ? check_preemption_disabled+0x48/0x280 [ 353.521977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.526193] sgpool-8 0KB 3KB [ 353.531404] apic_timer_interrupt+0xf/0x20 [ 353.535475] mqueue_inode_cache 10KB 14KB [ 353.540787] [ 353.544518] bio_post_read_ctx 14KB 15KB [ 353.549836] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 353.554362] bio-2 14KB 15KB [ 353.559658] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 353.565209] jfs_mp 7KB 7KB [ 353.570525] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 353.575583] nfs_commit_data 3KB 7KB [ 353.579576] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 353.579589] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 353.585162] nfs_write_data 32KB 32KB [ 353.590481] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 353.590494] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 353.595578] ext4_system_zone 0KB 3KB [ 353.599571] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 353.599610] ? save_stack+0xa9/0xd0 [ 353.604629] bio-1 1KB 3KB [ 353.609946] __kmalloc_node_track_caller+0x3c/0x70 [ 353.613776] pid_namespace 2KB 7KB [ 353.618221] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 353.622384] rpc_buffers 17KB 19KB [ 353.627701] pskb_expand_head+0x230/0x10f0 [ 353.632813] rpc_tasks 2KB 3KB [ 353.638147] ? check_preemption_disabled+0x48/0x280 [ 353.642680] UNIX 9KB 14KB [ 353.647998] ? memcpy+0x45/0x50 [ 353.652169] ip4-frags 295KB 297KB [ 353.657500] ? __copy_skb_header+0x350/0x6b0 [ 353.663047] tcp_bind_bucket 1KB 4KB [ 353.668373] ? skb_release_data+0x880/0x880 [ 353.672357] inet_peer_cache 11KB 12KB [ 353.676726] ? __alloc_skb+0x770/0x770 [ 353.682307] ip_fib_trie 11KB 15KB [ 353.687616] ? __lock_is_held+0xb5/0x140 [ 353.692635] ip_fib_alias 51KB 59KB [ 353.696048] ? kasan_check_write+0x14/0x20 [ 353.700871] ip_dst_cache 89KB 148KB [ 353.706234] ? __skb_clone+0x6c7/0xa00 [ 353.706282] ? __copy_skb_header+0x6b0/0x6b0 [ 353.706300] ? kmem_cache_alloc+0x33a/0x730 [ 353.711301] RAW 40KB 50KB [ 353.717180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.717202] skb_ensure_writable+0x3dd/0x640 [ 353.717218] ? skb_checksum_setup+0xaa0/0xaa0 [ 353.721269] UDP 16KB 19KB [ 353.726621] ? preempt_notifier_register+0x200/0x200 [ 353.726633] ? __switch_to_asm+0x34/0x70 [ 353.726648] ? __switch_to_asm+0x34/0x70 [ 353.731664] TCP 8KB 11KB [ 353.736649] ? __switch_to_asm+0x40/0x70 [ 353.736661] ? __switch_to_asm+0x34/0x70 [ 353.736671] ? __switch_to_asm+0x40/0x70 [ 353.736689] ? __switch_to_asm+0x40/0x70 [ 353.741517] hugetlbfs_inode_cache 2KB 7KB [ 353.746874] ? __switch_to_asm+0x34/0x70 [ 353.746886] ? __switch_to_asm+0x34/0x70 [ 353.746896] ? __switch_to_asm+0x40/0x70 [ 353.746925] ? __switch_to_asm+0x34/0x70 [ 353.751967] fscache_cookie_jar 1KB 7KB [ 353.756959] bpf_clone_redirect+0x14a/0x490 [ 353.760490] eventpoll_pwq 3KB 23KB [ 353.765844] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 353.765861] ? __sched_text_start+0x8/0x8 [ 353.765878] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 353.771414] eventpoll_epi 6KB 35KB [ 353.776426] ? find_held_lock+0x36/0x1c0 [ 353.776448] ? lock_acquire+0x1ed/0x520 [ 353.781293] inotify_inode_mark 5KB 27KB [ 353.786655] ? bpf_test_run+0x3cb/0x780 [ 353.786669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.786684] ? check_preemption_disabled+0x48/0x280 [ 353.786702] ? kasan_check_read+0x11/0x20 [ 353.790940] request_queue 164KB 164KB [ 353.796368] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.796382] ? rcu_softirq_qs+0x20/0x20 [ 353.796402] ? preempt_schedule+0x4d/0x60 [ 353.798629] blkdev_ioc 3KB 15KB [ 353.803977] ? ___preempt_schedule+0x16/0x18 [ 353.803998] ? bpf_test_run+0x25d/0x780 [ 353.804022] ? netlink_diag_dump+0x2a0/0x2a0 [ 353.809886] bio-0 56KB 131KB [ 353.815239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.815268] ? bpf_test_init.isra.10+0x70/0x100 [ 353.815288] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 353.834220] biovec-max 1254KB 1254KB [ 353.839547] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 353.847260] bio_integrity_payload 1KB 3KB [ 353.852593] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.852609] ? fput+0x130/0x1a0 [ 353.852639] ? __bpf_prog_get+0x9b/0x290 [ 353.859904] khugepaged_mm_slot 0KB 7KB [ 353.867172] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 353.867185] ? bpf_prog_test_run+0x130/0x1a0 [ 353.867201] ? __x64_sys_bpf+0x3db/0x520 [ 353.872626] dmaengine-unmap-256 2KB 6KB [ 353.879847] ? bpf_prog_get+0x20/0x20 [ 353.887155] dmaengine-unmap-128 1KB 3KB [ 353.892485] ? do_syscall_64+0x1b9/0x820 [ 353.892502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 353.899775] dmaengine-unmap-16 0KB 4KB [ 353.903386] ? syscall_return_slowpath+0x5e0/0x5e0 [ 353.903404] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.903422] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 353.908788] dmaengine-unmap-2 0KB 3KB [ 353.913705] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 353.913718] ? __switch_to_asm+0x40/0x70 [ 353.913733] ? __switch_to_asm+0x34/0x70 [ 353.919088] skbuff_fclone_cache 28KB 37KB [ 353.923834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.923862] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.929220] skbuff_head_cache 835305KB 835305KB [ 353.933499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 353.938814] configfs_dir_cache 0KB 4KB [ 353.943910] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.949248] file_lock_cache 0KB 3KB [ 353.952506] syz-executor2 cpuset=syz2 mems_allowed=0 [ 353.952532] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 353.952545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.957897] file_lock_ctx 0KB 3KB [ 353.962280] Call Trace: [ 353.962286] [ 353.962303] dump_stack+0x244/0x39d [ 353.962327] ? dump_stack_print_info.cold.1+0x20/0x20 [ 353.967682] fsnotify_mark_connector 3KB 19KB [ 353.972000] warn_alloc.cold.116+0xb7/0x1bd [ 353.972020] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 353.977367] net_namespace 51KB 51KB [ 353.981248] ? lock_downgrade+0x900/0x900 [ 353.986623] shmem_inode_cache 4492KB 4581KB [ 353.990663] ? trace_hardirqs_off+0xb8/0x310 [ 353.996040] task_delay_info 43KB 195KB [ 354.000236] ? trace_hardirqs_off+0xb8/0x310 [ 354.005625] taskstats 0KB 7KB [ 354.009467] __alloc_pages_slowpath+0x26e8/0x2e10 [ 354.013885] proc_dir_entry 584KB 592KB [ 354.018202] ? warn_alloc+0x120/0x120 [ 354.023587] pde_opener 0KB 3KB [ 354.029089] ? print_usage_bug+0xc0/0xc0 [ 354.033508] seq_file 0KB 11KB [ 354.037967] ? warn_alloc+0x120/0x120 [ 354.043343] sigqueue 2KB 23KB [ 354.048409] ? warn_alloc+0x120/0x120 [ 354.052479] kernfs_node_cache 12099KB 12123KB [ 354.056501] ? print_usage_bug+0xc0/0xc0 [ 354.061877] mnt_cache 77KB 96KB [ 354.065900] ? kvm_clock_read+0x18/0x30 [ 354.069939] filp 263KB 675KB [ 354.073985] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 354.074001] ? print_usage_bug+0xc0/0xc0 [ 354.074019] ? __lock_acquire+0x62f/0x4c20 [ 354.078066] names_cache 527KB 527KB [ 354.083766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.083782] ? should_fail+0x22d/0xd01 [ 354.083799] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.087849] iint_cache 74KB 79KB [ 354.091896] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.091912] ? __lock_acquire+0x62f/0x4c20 [ 354.091930] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.095975] key_jar 3KB 7KB [ 354.100020] ? __lock_acquire+0x62f/0x4c20 [ 354.100036] ? should_fail+0x22d/0xd01 [ 354.105495] uts_namespace 2KB 7KB [ 354.109772] ? rcu_irq_exit+0x1a2/0x390 [ 354.109796] ? mark_held_locks+0x130/0x130 [ 354.115191] nsproxy 1KB 7KB [ 354.120196] ? mark_held_locks+0x130/0x130 [ 354.124356] vm_area_struct 386KB 1032KB [ 354.129073] ? mark_held_locks+0xc7/0x130 [ 354.134444] mm_struct 55KB 156KB [ 354.138466] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 354.138483] ? zap_class+0x640/0x640 [ 354.142471] fs_cache 8KB 56KB [ 354.147880] ? print_usage_bug+0xc0/0xc0 [ 354.151882] files_cache 31KB 82KB [ 354.157381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.162405] signal_cache 301KB 733KB [ 354.166517] ? check_preemption_disabled+0x48/0x280 [ 354.171900] sighand_cache 478KB 527KB [ 354.177146] ? __lock_is_held+0xb5/0x140 [ 354.181109] task_struct 1367KB 1367KB [ 354.185246] __alloc_pages_nodemask+0xa80/0xde0 [ 354.185259] ? zap_class+0x640/0x640 [ 354.185276] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 354.190621] cred_jar 62KB 452KB [ 354.195022] ? find_held_lock+0x36/0x1c0 [ 354.195046] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.199000] anon_vma_chain 135KB 594KB [ 354.203416] ? lock_downgrade+0x900/0x900 [ 354.203454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.203473] cache_grow_begin+0xa5/0x8c0 [ 354.208818] anon_vma 118KB 338KB [ 354.214850] ? do_raw_spin_unlock+0xa7/0x330 [ 354.214873] fallback_alloc+0x204/0x2e0 [ 354.214893] ____cache_alloc_node+0x1c7/0x1e0 [ 354.219548] pid 27KB 164KB [ 354.224291] kmem_cache_alloc_node+0xe3/0x730 [ 354.224306] ? ipv6_get_ifaddr+0x42e/0x620 [ 354.224329] __alloc_skb+0x119/0x770 [ 354.229688] Acpi-Operand 106KB 162KB [ 354.234527] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.234545] ? netdev_alloc_frag+0x1f0/0x1f0 [ 354.234563] ? lock_downgrade+0x900/0x900 [ 354.240291] Acpi-Namespace 19KB 23KB [ 354.245831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.245847] ? refcount_sub_and_test_checked+0x203/0x310 [ 354.245865] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 354.249131] numa_policy 0KB 3KB [ 354.253203] ? addrconf_rs_timer+0x690/0x690 [ 354.253231] ndisc_alloc_skb+0x144/0x340 [ 354.253249] ndisc_send_rs+0x331/0x6e0 [ 354.258686] debug_objects_cache 840KB 842KB [ 354.263513] addrconf_rs_timer+0x314/0x690 [ 354.263532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.263555] call_timer_fn+0x272/0x920 [ 354.267941] trace_event_file 260KB 262KB [ 354.271986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.272000] ? process_timeout+0x40/0x40 [ 354.272021] ? __run_timers+0x7da/0xc70 [ 354.277544] ftrace_event_field 376KB 378KB [ 354.281332] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.286883] pool_workqueue 87KB 92KB [ 354.290902] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.296276] task_group 5KB 7KB [ 354.301680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.301697] ? lockdep_hardirqs_on+0x296/0x5b0 [ 354.306657] page->ptl 79KB 723KB [ 354.311806] ? trace_hardirqs_on+0xbd/0x310 [ 354.316869] kmalloc-2M 2050KB 2050KB [ 354.322178] ? kasan_check_read+0x11/0x20 [ 354.322191] ? __run_timers+0x7da/0xc70 [ 354.322207] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.322226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.328877] kmalloc-512k 2056KB 2056KB [ 354.332922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.332935] __run_timers+0x7e5/0xc70 [ 354.332957] ? timer_fixup_init+0x70/0x70 [ 354.336997] kmalloc-256k 1290KB 1290KB [ 354.342520] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 354.342535] ? zap_class+0x640/0x640 [ 354.342553] ? enqueue_hrtimer+0x1a5/0x560 [ 354.347386] kmalloc-128k 650KB 650KB [ 354.352739] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 354.352761] ? find_held_lock+0x36/0x1c0 [ 354.352780] ? zap_class+0x640/0x640 [ 354.358126] kmalloc-64k 330KB 330KB [ 354.364616] ? pvclock_read_flags+0x160/0x160 [ 354.364633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.364652] ? check_preemption_disabled+0x48/0x280 [ 354.370091] kmalloc-32k 1221KB 1221KB [ 354.380569] ? __lock_is_held+0xb5/0x140 [ 354.380585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.380603] ? check_preemption_disabled+0x48/0x280 [ 354.385974] kmalloc-16k 412KB 412KB [ 354.391038] run_timer_softirq+0x52/0xb0 [ 354.398431] kmalloc-8k 1922KB 1922KB [ 354.407747] ? rcu_read_lock_sched_held+0x14f/0x180 [ 354.407762] __do_softirq+0x308/0xb7e [ 354.407780] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 354.413176] kmalloc-4k 6523KB 6523KB [ 354.415711] ? lock_downgrade+0x900/0x900 [ 354.415730] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 354.417864] kmalloc-2k 6557KB 8083KB [ 354.421482] ? pvclock_read_flags+0x160/0x160 [ 354.426700] kmalloc-1k 2959432KB 2959432KB [ 354.432544] ? lapic_next_event+0x5a/0x90 [ 354.432561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.432580] ? kvm_clock_read+0x18/0x30 [ 354.436885] kmalloc-512 1647058KB 1647060KB [ 354.441716] ? kvm_sched_clock_read+0x9/0x20 [ 354.447089] kmalloc-256 2548KB 3026KB [ 354.451198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.456573] kmalloc-128 651KB 1094KB [ 354.460942] ? check_preemption_disabled+0x48/0x280 [ 354.466332] kmalloc-96 585KB 2056KB [ 354.470694] irq_exit+0x17f/0x1c0 [ 354.476075] kmalloc-64 1403KB 2140KB [ 354.480877] smp_apic_timer_interrupt+0x1cb/0x760 [ 354.486249] kmalloc-32 1025KB 1732KB [ 354.490014] ? smp_reschedule_interrupt+0x109/0x650 [ 354.495385] kmalloc-192 709KB 960KB [ 354.499407] ? smp_call_function_single_interrupt+0x650/0x650 [ 354.504791] kmem_cache 261KB 266KB [ 354.508553] ? interrupt_entry+0xb5/0xc0 [ 354.513929] Out of memory: Kill process 6016 (syz-fuzzer) score 34 or sacrifice child [ 354.517693] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.523159] Killed process 6168 (syz-executor5) total-vm:70208kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB [ 354.527096] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.527116] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.532796] oom_reaper: reaped process 6168 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 354.536425] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.547525] syz-fuzzer invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 354.550855] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.555097] syz-fuzzer cpuset=/ mems_allowed=0 [ 354.560424] ? task_prio+0x50/0x50 [ 355.261715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.267291] ? check_preemption_disabled+0x48/0x280 [ 355.272333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.277214] apic_timer_interrupt+0xf/0x20 [ 355.281441] [ 355.283688] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 355.289578] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 355.308475] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 355.316184] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 355.323459] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 355.330729] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 355.338014] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 355.345425] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 355.352739] ? save_stack+0xa9/0xd0 [ 355.356377] __kmalloc_node_track_caller+0x3c/0x70 [ 355.361329] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 355.366095] pskb_expand_head+0x230/0x10f0 [ 355.370331] ? check_preemption_disabled+0x48/0x280 [ 355.375354] ? memcpy+0x45/0x50 [ 355.378636] ? __copy_skb_header+0x350/0x6b0 [ 355.383046] ? skb_release_data+0x880/0x880 [ 355.387370] ? __alloc_skb+0x770/0x770 [ 355.391268] ? __lock_is_held+0xb5/0x140 [ 355.395353] ? kasan_check_write+0x14/0x20 [ 355.399588] ? __skb_clone+0x6c7/0xa00 [ 355.403482] ? __copy_skb_header+0x6b0/0x6b0 [ 355.407894] ? kmem_cache_alloc+0x33a/0x730 [ 355.412238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.417786] skb_ensure_writable+0x3dd/0x640 [ 355.422221] ? skb_checksum_setup+0xaa0/0xaa0 [ 355.426724] ? preempt_notifier_register+0x200/0x200 [ 355.431824] ? __switch_to_asm+0x34/0x70 [ 355.435884] ? __switch_to_asm+0x34/0x70 [ 355.439945] ? __switch_to_asm+0x40/0x70 [ 355.444007] ? __switch_to_asm+0x34/0x70 [ 355.448068] ? __switch_to_asm+0x40/0x70 [ 355.452128] ? __switch_to_asm+0x40/0x70 [ 355.456199] ? __switch_to_asm+0x34/0x70 [ 355.460289] ? __switch_to_asm+0x34/0x70 [ 355.464353] ? __switch_to_asm+0x40/0x70 [ 355.468431] ? __switch_to_asm+0x34/0x70 [ 355.472500] bpf_clone_redirect+0x14a/0x490 [ 355.476829] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 355.481848] ? __sched_text_start+0x8/0x8 [ 355.486001] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 355.490767] ? find_held_lock+0x36/0x1c0 [ 355.494841] ? lock_acquire+0x1ed/0x520 [ 355.498819] ? bpf_test_run+0x3cb/0x780 [ 355.502796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.508333] ? check_preemption_disabled+0x48/0x280 [ 355.513360] ? kasan_check_read+0x11/0x20 [ 355.517512] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.522792] ? rcu_softirq_qs+0x20/0x20 [ 355.526785] ? preempt_schedule+0x4d/0x60 [ 355.530934] ? ___preempt_schedule+0x16/0x18 [ 355.535356] ? bpf_test_run+0x25d/0x780 [ 355.539377] ? netlink_diag_dump+0x2a0/0x2a0 [ 355.543787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.549324] ? bpf_test_init.isra.10+0x70/0x100 [ 355.554001] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 355.558767] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 355.563609] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.569165] ? fput+0x130/0x1a0 [ 355.572494] ? __bpf_prog_get+0x9b/0x290 [ 355.576590] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 355.581448] ? bpf_prog_test_run+0x130/0x1a0 [ 355.585863] ? __x64_sys_bpf+0x3db/0x520 [ 355.589925] ? bpf_prog_get+0x20/0x20 [ 355.593749] ? do_syscall_64+0x1b9/0x820 [ 355.597812] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 355.603184] ? syscall_return_slowpath+0x5e0/0x5e0 [ 355.608116] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.613168] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 355.618188] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 355.624853] ? __switch_to_asm+0x40/0x70 [ 355.628925] ? __switch_to_asm+0x34/0x70 [ 355.632995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.637864] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.643250] CPU: 1 PID: 6028 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #147 [ 355.643255] warn_alloc_show_mem: 1 callbacks suppressed [ 355.643264] Mem-Info: [ 355.650272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.655652] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 355.655652] active_file:15 inactive_file:12 isolated_file:0 [ 355.655652] unevictable:0 dirty:0 writeback:0 unstable:0 [ 355.655652] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 355.655652] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 355.655652] free:13769 free_pcp:294 free_cma:0 [ 355.658029] Call Trace: [ 355.667426] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 355.700551] dump_stack+0x244/0x39d [ 355.703114] 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 [ 355.730954] ? dump_stack_print_info.cold.1+0x20/0x20 [ 355.734554] lowmem_reserve[]: 0 2818 6321 6321 [ 355.760680] ? mark_held_locks+0x130/0x130 [ 355.765837] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 355.770414] ? mark_held_locks+0x130/0x130 [ 355.774622] lowmem_reserve[]: 0 0 3503 3503 [ 355.802200] dump_header+0x27b/0xf72 [ 355.806412] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:272kB free_cma:0kB [ 355.810732] ? pagefault_out_of_memory+0x197/0x197 [ 355.814412] lowmem_reserve[]: 0 0 0 0 [ 355.843469] ? __lock_acquire+0x62f/0x4c20 [ 355.848369] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 355.852168] ? percpu_ref_get_many+0x240/0x240 [ 355.852187] ? print_usage_bug+0xc0/0xc0 [ 355.856403] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 355.869918] ? zap_class+0x640/0x640 [ 355.874478] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 355.878550] ? print_usage_bug+0xc0/0xc0 [ 355.894053] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 355.897788] ? print_usage_bug+0xc0/0xc0 [ 355.912506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 355.916559] ? zap_class+0x640/0x640 [ 355.925371] 12557 total pagecache pages [ 355.929425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.937992] 0 pages in swap cache [ 355.941695] ? find_held_lock+0x36/0x1c0 [ 355.945684] Swap cache stats: add 0, delete 0, find 0/0 [ 355.951216] ? mark_held_locks+0xc7/0x130 [ 355.954666] Free swap = 0kB [ 355.954676] Total swap = 0kB [ 355.958731] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 355.964073] 1965979 pages RAM [ 355.968214] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 355.971210] 0 pages HighMem/MovableOnly [ 355.974227] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 355.979305] 342853 pages reserved [ 355.982418] ? trace_hardirqs_on+0xbd/0x310 [ 355.987497] 0 pages cma reserved [ 355.991466] ? kasan_check_read+0x11/0x20 [ 355.996115] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 355.999467] ? ___ratelimit+0x3b4/0x672 [ 356.003961] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.007134] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.011268] syz-executor2 cpuset=syz2 mems_allowed=0 [ 356.017755] ? trace_hardirqs_on+0x310/0x310 [ 356.046753] ? lock_downgrade+0x900/0x900 [ 356.050923] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.056026] ? ___ratelimit+0x3b9/0x672 [ 356.060027] ? idr_get_free+0xf70/0xf70 [ 356.064005] ? find_held_lock+0x36/0x1c0 [ 356.068078] oom_kill_process.cold.27+0x10/0x903 [ 356.072837] ? zap_class+0x640/0x640 [ 356.076573] ? check_preemption_disabled+0x48/0x280 [ 356.081594] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.086538] ? kasan_check_read+0x11/0x20 [ 356.090690] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.095985] ? oom_evaluate_task+0x540/0x540 [ 356.100403] ? find_held_lock+0x36/0x1c0 [ 356.104504] ? out_of_memory+0x974/0x1430 [ 356.108680] ? lock_downgrade+0x900/0x900 [ 356.112832] ? check_preemption_disabled+0x48/0x280 [ 356.117887] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.122821] ? kasan_check_read+0x11/0x20 [ 356.126970] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.132258] ? rcu_softirq_qs+0x20/0x20 [ 356.136243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.141778] ? oom_evaluate_task+0x302/0x540 [ 356.146205] out_of_memory+0xa84/0x1430 [ 356.150212] ? oom_killer_disable+0x3a0/0x3a0 [ 356.154712] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 356.159650] ? __ww_mutex_check_waiters+0x160/0x160 [ 356.164750] __alloc_pages_slowpath+0x2354/0x2e10 [ 356.169627] ? warn_alloc+0x120/0x120 [ 356.173432] ? mark_held_locks+0x130/0x130 [ 356.177680] ? find_get_entry+0xaae/0x1120 [ 356.181933] ? filemap_map_pages+0x1a20/0x1a20 [ 356.186529] ? zap_class+0x640/0x640 [ 356.190254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.195799] ? check_preemption_disabled+0x48/0x280 [ 356.200821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.206361] ? should_fail+0x22d/0xd01 [ 356.210260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.215543] ? zap_class+0x640/0x640 [ 356.219291] ? __lock_is_held+0xb5/0x140 [ 356.223369] ? mark_held_locks+0x130/0x130 [ 356.227612] ? lock_release+0xa00/0xa00 [ 356.231589] ? perf_trace_sched_process_exec+0x860/0x860 [ 356.237048] ? xa_load+0x2ba/0x460 [ 356.240591] ? lock_downgrade+0x900/0x900 [ 356.244774] ? __might_sleep+0x95/0x190 [ 356.248755] __alloc_pages_nodemask+0xa80/0xde0 [ 356.253448] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 356.258481] ? __page_cache_alloc+0x191/0x5c0 [ 356.262980] ? xa_load+0x2e1/0x460 [ 356.266525] ? xa_clear_mark+0x40/0x40 [ 356.270433] ? zap_class+0x640/0x640 [ 356.274176] ? zap_class+0x640/0x640 [ 356.277892] ? zap_class+0x640/0x640 [ 356.281609] ? __do_page_cache_readahead+0x663/0x810 [ 356.286722] ? find_held_lock+0x36/0x1c0 [ 356.290791] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 356.296349] alloc_pages_current+0x173/0x350 [ 356.300766] __page_cache_alloc+0x38c/0x5c0 [ 356.305119] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.310057] ? kasan_check_read+0x11/0x20 [ 356.314207] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.319491] ? generic_perform_write+0x6a0/0x6a0 [ 356.324258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.329796] ? check_preemption_disabled+0x48/0x280 [ 356.334824] filemap_fault+0x1595/0x25f0 [ 356.338904] ? __lock_page_or_retry+0xa00/0xa00 [ 356.343577] ? mark_held_locks+0x130/0x130 [ 356.347825] ? filemap_map_pages+0xd6b/0x1a20 [ 356.352323] ? lock_downgrade+0x900/0x900 [ 356.356472] ? check_preemption_disabled+0x48/0x280 [ 356.361495] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.366425] ? kasan_check_read+0x11/0x20 [ 356.370572] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.375851] ? rcu_softirq_qs+0x20/0x20 [ 356.379853] ? filemap_map_pages+0xd92/0x1a20 [ 356.384354] ? print_usage_bug+0xc0/0xc0 [ 356.388427] ? find_get_entries_tag+0x1400/0x1400 [ 356.393289] ? __kasan_slab_free+0x102/0x150 [ 356.397696] ? kasan_slab_free+0xe/0x10 [ 356.401674] ? kmem_cache_free+0x83/0x290 [ 356.405843] ? __sigqueue_free.part.29+0x74/0x90 [ 356.410623] ? lock_acquire+0x1ed/0x520 [ 356.414605] ? ext4_filemap_fault+0x7a/0xad [ 356.418952] ? lock_release+0xa00/0xa00 [ 356.422928] ? perf_trace_sched_process_exec+0x860/0x860 [ 356.428428] ? print_usage_bug+0xc0/0xc0 [ 356.432507] ? print_usage_bug+0xc0/0xc0 [ 356.436585] ? down_read+0x8d/0x120 [ 356.440212] ? ext4_filemap_fault+0x7a/0xad [ 356.444535] ? __down_interruptible+0x700/0x700 [ 356.449216] ext4_filemap_fault+0x82/0xad [ 356.453367] __do_fault+0x100/0x6b0 [ 356.457000] ? pmd_devmap_trans_unstable+0x220/0x220 [ 356.462109] ? mark_held_locks+0x130/0x130 [ 356.466371] ? mark_held_locks+0x130/0x130 [ 356.470645] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 356.476192] ? rcu_pm_notify+0xc0/0xc0 [ 356.480088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.485642] __handle_mm_fault+0x3ea0/0x5be0 [ 356.490081] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 356.494983] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.499482] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 356.504088] ? trace_hardirqs_on+0xbd/0x310 [ 356.508412] ? kasan_check_read+0x11/0x20 [ 356.512559] ? __set_current_blocked+0xdf/0x120 [ 356.517234] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.522355] ? zap_class+0x640/0x640 [ 356.526072] ? zap_class+0x640/0x640 [ 356.529794] ? find_held_lock+0x36/0x1c0 [ 356.533885] ? handle_mm_fault+0x42a/0xc70 [ 356.538122] ? lock_downgrade+0x900/0x900 [ 356.542278] ? check_preemption_disabled+0x48/0x280 [ 356.547301] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 356.552245] ? kasan_check_read+0x11/0x20 [ 356.556407] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.561686] ? rcu_softirq_qs+0x20/0x20 [ 356.565667] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.570789] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.576333] ? check_preemption_disabled+0x48/0x280 [ 356.581359] handle_mm_fault+0x54f/0xc70 [ 356.585456] ? __handle_mm_fault+0x5be0/0x5be0 [ 356.590071] ? find_vma+0x34/0x190 [ 356.593621] __do_page_fault+0x5e8/0xe60 [ 356.597691] ? exit_to_usermode_loop+0x1f4/0x380 [ 356.602461] do_page_fault+0xf2/0x7e0 [ 356.606263] ? vmalloc_sync_all+0x30/0x30 [ 356.610409] ? error_entry+0x70/0xd0 [ 356.614152] ? trace_hardirqs_off_caller+0xbb/0x310 [ 356.619175] ? trace_hardirqs_on_caller+0xc0/0x310 [ 356.624106] ? syscall_return_slowpath+0x5e0/0x5e0 [ 356.629046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.633893] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.638907] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.644380] ? prepare_exit_to_usermode+0x291/0x3b0 [ 356.649396] ? page_fault+0x8/0x30 [ 356.652961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.657808] ? page_fault+0x8/0x30 [ 356.661351] page_fault+0x1e/0x30 [ 356.664818] RIP: 0033:0x45db60 [ 356.668020] Code: Bad RIP value. [ 356.671382] RSP: 002b:000000c42038dab8 EFLAGS: 00010286 [ 356.676748] RAX: 0000000000000000 RBX: 000000c420088700 RCX: 000000000045ddf3 [ 356.684017] RDX: 000000c42038dac0 RSI: 000000c42038dbf0 RDI: 0000000000000011 [ 356.691282] RBP: 000000c420291e30 R08: 0000000000000000 R09: 0000000000000000 [ 356.698547] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000001 [ 356.705832] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000 [ 356.713127] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 356.713208] Mem-Info: [ 356.720510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.720520] Call Trace: [ 356.722980] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 356.722980] active_file:15 inactive_file:12 isolated_file:0 [ 356.722980] unevictable:0 dirty:0 writeback:0 unstable:0 [ 356.722980] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 356.722980] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 356.722980] free:13769 free_pcp:294 free_cma:0 [ 356.732258] [ 356.732276] dump_stack+0x244/0x39d [ 356.732300] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.734914] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 356.768078] warn_alloc.cold.116+0xb7/0x1bd [ 356.768100] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.770439] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.773881] ? lock_downgrade+0x900/0x900 [ 356.779045] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 356.806886] ? trace_hardirqs_off+0xb8/0x310 [ 356.839509] ? trace_hardirqs_off+0xb8/0x310 [ 356.843939] __alloc_pages_slowpath+0x26e8/0x2e10 [ 356.848825] ? warn_alloc+0x120/0x120 [ 356.852629] ? print_usage_bug+0xc0/0xc0 [ 356.856735] ? warn_alloc+0x120/0x120 [ 356.860546] ? warn_alloc+0x120/0x120 [ 356.864349] ? print_usage_bug+0xc0/0xc0 [ 356.868409] ? kvm_clock_read+0x18/0x30 [ 356.872386] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 356.877403] ? print_usage_bug+0xc0/0xc0 [ 356.881484] ? __lock_acquire+0x62f/0x4c20 [ 356.885738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.891275] ? should_fail+0x22d/0xd01 [ 356.895190] ? __lock_acquire+0x62f/0x4c20 [ 356.899428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.904545] ? __lock_acquire+0x62f/0x4c20 [ 356.908805] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.913907] ? __lock_acquire+0x62f/0x4c20 [ 356.918151] ? should_fail+0x22d/0xd01 [ 356.922054] ? mark_held_locks+0x130/0x130 [ 356.926293] ? mark_held_locks+0x130/0x130 [ 356.930540] ? zap_class+0x640/0x640 [ 356.934256] ? print_usage_bug+0xc0/0xc0 [ 356.938318] ? __lock_acquire+0x62f/0x4c20 [ 356.942556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.948109] ? check_preemption_disabled+0x48/0x280 [ 356.953160] ? __lock_is_held+0xb5/0x140 [ 356.957230] __alloc_pages_nodemask+0xa80/0xde0 [ 356.961909] ? zap_class+0x640/0x640 [ 356.965633] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 356.970681] ? find_held_lock+0x36/0x1c0 [ 356.974754] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.979425] ? lock_downgrade+0x900/0x900 [ 356.983580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.989123] cache_grow_begin+0xa5/0x8c0 [ 356.993210] ? do_raw_spin_unlock+0xa7/0x330 [ 356.997638] fallback_alloc+0x204/0x2e0 [ 357.001647] ____cache_alloc_node+0x1c7/0x1e0 [ 357.006161] kmem_cache_alloc_node+0xe3/0x730 [ 357.010663] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.014961] __alloc_skb+0x119/0x770 [ 357.018679] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.023960] ? netdev_alloc_frag+0x1f0/0x1f0 [ 357.028382] ? lock_downgrade+0x900/0x900 [ 357.032537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.038079] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.043546] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.049040] ? addrconf_rs_timer+0x690/0x690 [ 357.053460] ndisc_alloc_skb+0x144/0x340 [ 357.057524] ndisc_send_rs+0x331/0x6e0 [ 357.061423] addrconf_rs_timer+0x314/0x690 [ 357.065661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.069909] call_timer_fn+0x272/0x920 [ 357.073800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.078036] ? process_timeout+0x40/0x40 [ 357.082106] ? __run_timers+0x7da/0xc70 [ 357.086081] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.090577] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.095069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.099303] ? lockdep_hardirqs_on+0x296/0x5b0 [ 357.103887] ? trace_hardirqs_on+0xbd/0x310 [ 357.108207] ? kasan_check_read+0x11/0x20 [ 357.112355] ? __run_timers+0x7da/0xc70 [ 357.116330] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.121451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.125687] __run_timers+0x7e5/0xc70 [ 357.129499] ? timer_fixup_init+0x70/0x70 [ 357.133650] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 357.138665] ? zap_class+0x640/0x640 [ 357.142413] ? enqueue_hrtimer+0x1a5/0x560 [ 357.146667] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 357.151866] ? find_held_lock+0x36/0x1c0 [ 357.155930] ? zap_class+0x640/0x640 [ 357.159646] ? pvclock_read_flags+0x160/0x160 [ 357.164151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.169704] ? check_preemption_disabled+0x48/0x280 [ 357.174746] ? __lock_is_held+0xb5/0x140 [ 357.178822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.184364] ? check_preemption_disabled+0x48/0x280 [ 357.189389] run_timer_softirq+0x52/0xb0 [ 357.193483] ? rcu_read_lock_sched_held+0x14f/0x180 [ 357.198520] __do_softirq+0x308/0xb7e [ 357.202327] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 357.206821] ? lock_downgrade+0x900/0x900 [ 357.210976] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 357.216084] ? pvclock_read_flags+0x160/0x160 [ 357.220581] ? lapic_next_event+0x5a/0x90 [ 357.224730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.230279] ? kvm_clock_read+0x18/0x30 [ 357.234256] ? kvm_sched_clock_read+0x9/0x20 [ 357.238668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.244209] ? check_preemption_disabled+0x48/0x280 [ 357.249252] irq_exit+0x17f/0x1c0 [ 357.252720] smp_apic_timer_interrupt+0x1cb/0x760 [ 357.257590] ? smp_reschedule_interrupt+0x109/0x650 [ 357.262611] ? smp_call_function_single_interrupt+0x650/0x650 [ 357.268499] ? interrupt_entry+0xb5/0xc0 [ 357.272564] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.277577] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.282608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.287453] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.292467] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.297481] ? task_prio+0x50/0x50 [ 357.301025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.306565] ? check_preemption_disabled+0x48/0x280 [ 357.311605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.316460] apic_timer_interrupt+0xf/0x20 [ 357.320689] [ 357.322941] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 357.328824] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 357.347916] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 357.355638] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 357.362906] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 357.370179] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 357.377444] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 357.384714] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 357.392041] ? save_stack+0xa9/0xd0 [ 357.395678] __kmalloc_node_track_caller+0x3c/0x70 [ 357.400617] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 357.405383] pskb_expand_head+0x230/0x10f0 [ 357.409617] ? check_preemption_disabled+0x48/0x280 [ 357.414640] ? memcpy+0x45/0x50 [ 357.417926] ? __copy_skb_header+0x350/0x6b0 [ 357.422336] ? skb_release_data+0x880/0x880 [ 357.426661] ? __alloc_skb+0x770/0x770 [ 357.430560] ? __lock_is_held+0xb5/0x140 [ 357.434660] ? kasan_check_write+0x14/0x20 [ 357.438894] ? __skb_clone+0x6c7/0xa00 [ 357.442813] ? __copy_skb_header+0x6b0/0x6b0 [ 357.447232] ? kmem_cache_alloc+0x33a/0x730 [ 357.451561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.457108] skb_ensure_writable+0x3dd/0x640 [ 357.461522] ? skb_checksum_setup+0xaa0/0xaa0 [ 357.466022] ? preempt_notifier_register+0x200/0x200 [ 357.471136] ? __switch_to_asm+0x34/0x70 [ 357.475245] ? __switch_to_asm+0x34/0x70 [ 357.479303] ? __switch_to_asm+0x40/0x70 [ 357.483365] ? __switch_to_asm+0x34/0x70 [ 357.487427] ? __switch_to_asm+0x40/0x70 [ 357.491486] ? __switch_to_asm+0x40/0x70 [ 357.495544] ? __switch_to_asm+0x34/0x70 [ 357.499605] ? __switch_to_asm+0x34/0x70 [ 357.503660] ? __switch_to_asm+0x40/0x70 [ 357.507747] ? __switch_to_asm+0x34/0x70 [ 357.511815] bpf_clone_redirect+0x14a/0x490 [ 357.516158] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 357.521187] ? __sched_text_start+0x8/0x8 [ 357.525334] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 357.530103] ? find_held_lock+0x36/0x1c0 [ 357.534179] ? lock_acquire+0x1ed/0x520 [ 357.538181] ? bpf_test_run+0x3cb/0x780 [ 357.542167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.547724] ? check_preemption_disabled+0x48/0x280 [ 357.552742] ? kasan_check_read+0x11/0x20 [ 357.556888] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.562175] ? rcu_softirq_qs+0x20/0x20 [ 357.566181] ? preempt_schedule+0x4d/0x60 [ 357.570335] ? ___preempt_schedule+0x16/0x18 [ 357.574755] ? bpf_test_run+0x25d/0x780 [ 357.578739] ? netlink_diag_dump+0x2a0/0x2a0 [ 357.583180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.588720] ? bpf_test_init.isra.10+0x70/0x100 [ 357.593398] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 357.598193] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 357.603038] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 357.608576] ? fput+0x130/0x1a0 [ 357.611859] ? __bpf_prog_get+0x9b/0x290 [ 357.615921] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 357.620760] ? bpf_prog_test_run+0x130/0x1a0 [ 357.625183] ? __x64_sys_bpf+0x3db/0x520 [ 357.629250] ? bpf_prog_get+0x20/0x20 [ 357.633072] ? do_syscall_64+0x1b9/0x820 [ 357.637129] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 357.642505] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.647452] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.652474] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 357.657506] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 357.664184] ? __switch_to_asm+0x40/0x70 [ 357.668247] ? __switch_to_asm+0x34/0x70 [ 357.672319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.677181] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.682567] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 357.682569] Mem-Info: [ 357.682601] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 357.682601] active_file:15 inactive_file:12 isolated_file:0 [ 357.682601] unevictable:0 dirty:0 writeback:0 unstable:0 [ 357.682601] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 357.682601] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 357.682601] free:13769 free_pcp:294 free_cma:0 [ 357.689509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.691955] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 357.725053] Call Trace: [ 357.734396] 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 [ 357.762234] dump_stack+0x244/0x39d [ 357.764795] lowmem_reserve[]: 0 2818 6321 6321 [ 357.790900] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.794501] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 357.799086] warn_alloc.cold.116+0xb7/0x1bd [ 357.804240] lowmem_reserve[]: 0 0 3503 3503 [ 357.831822] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.836117] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:272kB free_cma:0kB [ 357.840435] ? lock_downgrade+0x900/0x900 [ 357.845249] lowmem_reserve[]: 0 0 0 0 [ 357.874308] ? trace_hardirqs_off+0xb8/0x310 [ 357.878425] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 357.882230] ? trace_hardirqs_off+0xb8/0x310 [ 357.886645] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 357.900179] __alloc_pages_slowpath+0x26e8/0x2e10 [ 357.904564] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 357.920099] ? warn_alloc+0x120/0x120 [ 357.924900] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 357.939624] ? warn_alloc+0x120/0x120 [ 357.943409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 357.952232] ? warn_alloc+0x120/0x120 [ 357.956010] 12557 total pagecache pages [ 357.964577] ? print_usage_bug+0xc0/0xc0 [ 357.968356] 0 pages in swap cache [ 357.972323] ? print_usage_bug+0xc0/0xc0 [ 357.976364] Swap cache stats: add 0, delete 0, find 0/0 [ 357.979807] ? find_held_lock+0x36/0x1c0 [ 357.983842] Free swap = 0kB [ 357.989200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.993232] Total swap = 0kB [ 357.996249] ? should_fail+0x22d/0xd01 [ 358.001759] 1965979 pages RAM [ 358.004774] ? try_to_wake_up+0x11c/0x1490 [ 358.008636] 0 pages HighMem/MovableOnly [ 358.011742] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.015950] 342853 pages reserved [ 358.019917] ? __lock_acquire+0x62f/0x4c20 [ 358.024997] 0 pages cma reserved [ 358.028443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.032725] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.036010] ? __lock_acquire+0x62f/0x4c20 [ 358.036027] ? should_fail+0x22d/0xd01 [ 358.041176] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.047595] ? mark_held_locks+0x130/0x130 [ 358.051798] syz-executor2 cpuset=syz2 mems_allowed=0 [ 358.055692] ? mark_held_locks+0x130/0x130 [ 358.079712] ? try_to_wake_up+0x11c/0x1490 [ 358.083954] ? zap_class+0x640/0x640 [ 358.087676] ? print_usage_bug+0xc0/0xc0 [ 358.091739] ? enqueue_entity+0x34b/0x20a0 [ 358.095981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.101521] ? check_preemption_disabled+0x48/0x280 [ 358.106553] ? __lock_is_held+0xb5/0x140 [ 358.110622] __alloc_pages_nodemask+0xa80/0xde0 [ 358.115297] ? zap_class+0x640/0x640 [ 358.119016] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 358.124044] ? find_held_lock+0x36/0x1c0 [ 358.128116] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.132795] ? lock_downgrade+0x900/0x900 [ 358.136950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.142490] cache_grow_begin+0xa5/0x8c0 [ 358.146563] ? do_raw_spin_unlock+0xa7/0x330 [ 358.150982] fallback_alloc+0x204/0x2e0 [ 358.154990] ____cache_alloc_node+0x1c7/0x1e0 [ 358.159493] kmem_cache_alloc_node+0xe3/0x730 [ 358.163990] ? ipv6_get_ifaddr+0x42e/0x620 [ 358.168241] __alloc_skb+0x119/0x770 [ 358.171957] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.177254] ? netdev_alloc_frag+0x1f0/0x1f0 [ 358.181680] ? lock_downgrade+0x900/0x900 [ 358.185835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.191374] ? refcount_sub_and_test_checked+0x203/0x310 [ 358.196833] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 358.202311] ? addrconf_rs_timer+0x690/0x690 [ 358.206733] ndisc_alloc_skb+0x144/0x340 [ 358.210947] ndisc_send_rs+0x331/0x6e0 [ 358.214846] addrconf_rs_timer+0x314/0x690 [ 358.219086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.223331] call_timer_fn+0x272/0x920 [ 358.227233] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.231470] ? process_timeout+0x40/0x40 [ 358.235542] ? __run_timers+0x7da/0xc70 [ 358.239518] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.244027] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.248524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.252766] ? lockdep_hardirqs_on+0x296/0x5b0 [ 358.257354] ? trace_hardirqs_on+0xbd/0x310 [ 358.261679] ? kasan_check_read+0x11/0x20 [ 358.265828] ? __run_timers+0x7da/0xc70 [ 358.269807] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.274927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.279169] __run_timers+0x7e5/0xc70 [ 358.282992] ? timer_fixup_init+0x70/0x70 [ 358.287138] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.291643] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.296185] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 358.300773] ? trace_hardirqs_on+0xbd/0x310 [ 358.305096] ? kasan_check_read+0x11/0x20 [ 358.309254] ? finish_task_switch+0x1f4/0x910 [ 358.313762] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.318885] ? compat_start_thread+0x80/0x80 [ 358.323317] ? pvclock_read_flags+0x160/0x160 [ 358.327809] ? __switch_to_asm+0x34/0x70 [ 358.331868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.337405] ? check_preemption_disabled+0x48/0x280 [ 358.342438] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 358.347975] ? rcu_pm_notify+0xc0/0xc0 [ 358.351861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.357398] ? check_preemption_disabled+0x48/0x280 [ 358.362425] run_timer_softirq+0x52/0xb0 [ 358.366485] ? rcu_read_lock_sched_held+0x14f/0x180 [ 358.371504] __do_softirq+0x308/0xb7e [ 358.375319] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 358.380429] ? smpboot_thread_fn+0x334/0xa00 [ 358.384846] ? schedule+0x108/0x460 [ 358.388485] ? trace_hardirqs_off+0xb8/0x310 [ 358.392909] ? smpboot_thread_fn+0x68b/0xa00 [ 358.397324] ? trace_hardirqs_on+0x310/0x310 [ 358.401738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.407279] ? check_preemption_disabled+0x48/0x280 [ 358.412313] ? takeover_tasklets+0xa90/0xa90 [ 358.416741] run_ksoftirqd+0x5e/0x100 [ 358.420544] smpboot_thread_fn+0x68b/0xa00 [ 358.424783] ? sort_range+0x30/0x30 [ 358.428434] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 358.433552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.439191] ? __kthread_parkme+0xfb/0x1a0 [ 358.443449] ? sort_range+0x30/0x30 [ 358.447076] kthread+0x35a/0x440 [ 358.450444] ? kthread_stop+0x900/0x900 [ 358.454417] ret_from_fork+0x3a/0x50 [ 358.458165] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 358.458167] Mem-Info: [ 358.458199] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 358.458199] active_file:15 inactive_file:12 isolated_file:0 [ 358.458199] unevictable:0 dirty:0 writeback:0 unstable:0 [ 358.458199] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 358.458199] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 358.458199] free:13769 free_pcp:294 free_cma:0 [ 358.465529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.467968] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 358.501065] Call Trace: [ 358.510408] 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 [ 358.538241] [ 358.540808] lowmem_reserve[]: 0 2818 6321 6321 [ 358.566921] dump_stack+0x244/0x39d [ 358.569061] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 358.573637] ? dump_stack_print_info.cold.1+0x20/0x20 [ 358.577236] lowmem_reserve[]: 0 0 3503 3503 [ 358.604681] warn_alloc.cold.116+0xb7/0x1bd [ 358.609848] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 358.614177] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.618473] lowmem_reserve[]: 0 0 0 0 [ 358.647550] ? lock_downgrade+0x900/0x900 [ 358.652371] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 358.656186] ? trace_hardirqs_off+0xb8/0x310 [ 358.660302] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 358.673828] ? trace_hardirqs_off+0xb8/0x310 [ 358.678205] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 358.693741] __alloc_pages_slowpath+0x26e8/0x2e10 [ 358.698127] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 358.712914] ? warn_alloc+0x120/0x120 [ 358.717713] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 358.726538] ? print_usage_bug+0xc0/0xc0 [ 358.730309] 12557 total pagecache pages [ 358.738881] ? warn_alloc+0x120/0x120 [ 358.742924] 0 pages in swap cache [ 358.746882] ? warn_alloc+0x120/0x120 [ 358.750664] Swap cache stats: add 0, delete 0, find 0/0 [ 358.754105] ? print_usage_bug+0xc0/0xc0 [ 358.757882] Free swap = 0kB [ 358.763240] ? print_usage_bug+0xc0/0xc0 [ 358.767278] Total swap = 0kB [ 358.770298] ? __lock_acquire+0x62f/0x4c20 [ 358.774335] 1965979 pages RAM [ 358.777351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.781559] 0 pages HighMem/MovableOnly [ 358.784664] ? should_fail+0x22d/0xd01 [ 358.790177] 342853 pages reserved [ 358.794158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.798017] 0 pages cma reserved [ 358.801462] ? __lock_acquire+0x62f/0x4c20 [ 358.806708] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.809910] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.814214] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.820616] ? __lock_acquire+0x62f/0x4c20 [ 358.825707] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 358.836010] ? should_fail+0x22d/0xd01 [ 358.848752] ? find_held_lock+0x36/0x1c0 [ 358.852834] ? mark_held_locks+0x130/0x130 [ 358.857074] ? mark_held_locks+0x130/0x130 [ 358.861304] ? zap_class+0x640/0x640 [ 358.865034] ? zap_class+0x640/0x640 [ 358.868760] ? print_usage_bug+0xc0/0xc0 [ 358.872822] ? do_raw_spin_unlock+0xa7/0x330 [ 358.877230] ? zap_class+0x640/0x640 [ 358.880946] ? print_usage_bug+0xc0/0xc0 [ 358.885005] ? wq_watchdog_touch+0x9c/0xfe [ 358.889248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.894787] ? check_preemption_disabled+0x48/0x280 [ 358.899828] ? __lock_is_held+0xb5/0x140 [ 358.903911] __alloc_pages_nodemask+0xa80/0xde0 [ 358.908583] ? zap_class+0x640/0x640 [ 358.912303] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 358.917332] ? find_held_lock+0x36/0x1c0 [ 358.921406] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.926080] ? lock_downgrade+0x900/0x900 [ 358.930238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.935783] cache_grow_begin+0xa5/0x8c0 [ 358.939847] ? do_raw_spin_unlock+0xa7/0x330 [ 358.944268] fallback_alloc+0x204/0x2e0 [ 358.948253] ____cache_alloc_node+0x1c7/0x1e0 [ 358.952755] kmem_cache_alloc_node+0xe3/0x730 [ 358.957252] ? ipv6_get_ifaddr+0x42e/0x620 [ 358.961504] __alloc_skb+0x119/0x770 [ 358.965238] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.970558] ? netdev_alloc_frag+0x1f0/0x1f0 [ 358.974983] ? lock_downgrade+0x900/0x900 [ 358.979151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.984695] ? refcount_sub_and_test_checked+0x203/0x310 [ 358.990167] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 358.995620] ? addrconf_rs_timer+0x690/0x690 [ 359.000046] ndisc_alloc_skb+0x144/0x340 [ 359.004112] ndisc_send_rs+0x331/0x6e0 [ 359.008017] addrconf_rs_timer+0x314/0x690 [ 359.012258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.016502] call_timer_fn+0x272/0x920 [ 359.020390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.024624] ? process_timeout+0x40/0x40 [ 359.028697] ? __run_timers+0x7da/0xc70 [ 359.032675] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.037180] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.041692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.045929] ? lockdep_hardirqs_on+0x296/0x5b0 [ 359.050614] ? trace_hardirqs_on+0xbd/0x310 [ 359.054941] ? kasan_check_read+0x11/0x20 [ 359.059091] ? __run_timers+0x7da/0xc70 [ 359.063073] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.068194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.072438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.076673] __run_timers+0x7e5/0xc70 [ 359.080497] ? timer_fixup_init+0x70/0x70 [ 359.084651] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 359.089672] ? zap_class+0x640/0x640 [ 359.093393] ? enqueue_hrtimer+0x1a5/0x560 [ 359.097631] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 359.102837] ? find_held_lock+0x36/0x1c0 [ 359.106908] ? zap_class+0x640/0x640 [ 359.110630] ? pvclock_read_flags+0x160/0x160 [ 359.115130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.120684] ? check_preemption_disabled+0x48/0x280 [ 359.125720] ? __lock_is_held+0xb5/0x140 [ 359.129785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.135325] ? check_preemption_disabled+0x48/0x280 [ 359.140349] run_timer_softirq+0x52/0xb0 [ 359.144412] ? rcu_read_lock_sched_held+0x14f/0x180 [ 359.149433] __do_softirq+0x308/0xb7e [ 359.153240] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 359.157736] ? lock_downgrade+0x900/0x900 [ 359.161894] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 359.167019] ? pvclock_read_flags+0x160/0x160 [ 359.171518] ? lapic_next_event+0x5a/0x90 [ 359.175670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.181222] ? kvm_clock_read+0x18/0x30 [ 359.185204] ? kvm_sched_clock_read+0x9/0x20 [ 359.189622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.195178] ? check_preemption_disabled+0x48/0x280 [ 359.200208] irq_exit+0x17f/0x1c0 [ 359.203667] smp_apic_timer_interrupt+0x1cb/0x760 [ 359.208512] ? smp_reschedule_interrupt+0x109/0x650 [ 359.213994] ? smp_call_function_single_interrupt+0x650/0x650 [ 359.219878] ? interrupt_entry+0xb5/0xc0 [ 359.223946] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.228963] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.233982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.238826] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.243842] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.248861] ? task_prio+0x50/0x50 [ 359.252410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.257952] ? check_preemption_disabled+0x48/0x280 [ 359.262978] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.267832] apic_timer_interrupt+0xf/0x20 [ 359.272061] [ 359.274301] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 359.280190] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 359.299092] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 359.306813] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 359.314093] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 359.321362] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 359.328630] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 359.335896] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 359.343339] ? save_stack+0xa9/0xd0 [ 359.346981] __kmalloc_node_track_caller+0x3c/0x70 [ 359.351916] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 359.356678] pskb_expand_head+0x230/0x10f0 [ 359.360916] ? check_preemption_disabled+0x48/0x280 [ 359.365938] ? memcpy+0x45/0x50 [ 359.369224] ? __copy_skb_header+0x350/0x6b0 [ 359.373639] ? skb_release_data+0x880/0x880 [ 359.377965] ? __alloc_skb+0x770/0x770 [ 359.381868] ? __lock_is_held+0xb5/0x140 [ 359.385948] ? kasan_check_write+0x14/0x20 [ 359.390199] ? __skb_clone+0x6c7/0xa00 [ 359.394089] ? __copy_skb_header+0x6b0/0x6b0 [ 359.398500] ? kmem_cache_alloc+0x33a/0x730 [ 359.402829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.408380] skb_ensure_writable+0x3dd/0x640 [ 359.412793] ? skb_checksum_setup+0xaa0/0xaa0 [ 359.417297] ? preempt_notifier_register+0x200/0x200 [ 359.422401] ? __switch_to_asm+0x34/0x70 [ 359.426462] ? __switch_to_asm+0x34/0x70 [ 359.430523] ? __switch_to_asm+0x40/0x70 [ 359.434584] ? __switch_to_asm+0x34/0x70 [ 359.438648] ? __switch_to_asm+0x40/0x70 [ 359.442707] ? __switch_to_asm+0x40/0x70 [ 359.446767] ? __switch_to_asm+0x34/0x70 [ 359.450826] ? __switch_to_asm+0x34/0x70 [ 359.454886] ? __switch_to_asm+0x40/0x70 [ 359.458948] ? __switch_to_asm+0x34/0x70 [ 359.463016] bpf_clone_redirect+0x14a/0x490 [ 359.467350] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 359.472375] ? __sched_text_start+0x8/0x8 [ 359.476528] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 359.481300] ? find_held_lock+0x36/0x1c0 [ 359.485373] ? lock_acquire+0x1ed/0x520 [ 359.489349] ? bpf_test_run+0x3cb/0x780 [ 359.493327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.498868] ? check_preemption_disabled+0x48/0x280 [ 359.503912] ? kasan_check_read+0x11/0x20 [ 359.508070] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.513370] ? rcu_softirq_qs+0x20/0x20 [ 359.517354] ? preempt_schedule+0x4d/0x60 [ 359.521505] ? ___preempt_schedule+0x16/0x18 [ 359.525925] ? bpf_test_run+0x25d/0x780 [ 359.529912] ? netlink_diag_dump+0x2a0/0x2a0 [ 359.534331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.539869] ? bpf_test_init.isra.10+0x70/0x100 [ 359.544545] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 359.549314] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 359.554171] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 359.559739] ? fput+0x130/0x1a0 [ 359.563034] ? __bpf_prog_get+0x9b/0x290 [ 359.567105] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 359.571952] ? bpf_prog_test_run+0x130/0x1a0 [ 359.576368] ? __x64_sys_bpf+0x3db/0x520 [ 359.580430] ? bpf_prog_get+0x20/0x20 [ 359.584256] ? do_syscall_64+0x1b9/0x820 [ 359.588323] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 359.593689] ? syscall_return_slowpath+0x5e0/0x5e0 [ 359.598627] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.603644] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 359.608681] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 359.615362] ? __switch_to_asm+0x40/0x70 [ 359.619422] ? __switch_to_asm+0x34/0x70 [ 359.623488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.628355] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.633738] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 359.633828] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 359.640678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.640687] Call Trace: [ 359.647284] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.656532] dump_stack+0x244/0x39d [ 359.659094] syz-executor2 cpuset=syz2 mems_allowed=0 [ 359.669592] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.683475] warn_alloc.cold.116+0xb7/0x1bd [ 359.687805] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.692653] ? lock_downgrade+0x900/0x900 [ 359.696819] ? trace_hardirqs_off+0xb8/0x310 [ 359.701239] ? trace_hardirqs_off+0xb8/0x310 [ 359.705663] __alloc_pages_slowpath+0x26e8/0x2e10 [ 359.710542] ? warn_alloc+0x120/0x120 [ 359.714348] ? print_usage_bug+0xc0/0xc0 [ 359.718417] ? warn_alloc+0x120/0x120 [ 359.722230] ? warn_alloc+0x120/0x120 [ 359.726039] ? print_usage_bug+0xc0/0xc0 [ 359.730107] ? print_usage_bug+0xc0/0xc0 [ 359.734183] ? __lock_acquire+0x62f/0x4c20 [ 359.738426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.743965] ? should_fail+0x22d/0xd01 [ 359.747861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.752970] ? __lock_acquire+0x62f/0x4c20 [ 359.757213] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.762318] ? __lock_acquire+0x62f/0x4c20 [ 359.766554] ? should_fail+0x22d/0xd01 [ 359.770443] ? find_held_lock+0x36/0x1c0 [ 359.774515] ? mark_held_locks+0x130/0x130 [ 359.778756] ? mark_held_locks+0x130/0x130 [ 359.782993] ? zap_class+0x640/0x640 [ 359.786716] ? mark_held_locks+0xc7/0x130 [ 359.790861] ? do_raw_spin_unlock+0xa7/0x330 [ 359.795273] ? zap_class+0x640/0x640 [ 359.798991] ? print_usage_bug+0xc0/0xc0 [ 359.803060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.808600] ? check_preemption_disabled+0x48/0x280 [ 359.813626] ? __lock_is_held+0xb5/0x140 [ 359.817699] __alloc_pages_nodemask+0xa80/0xde0 [ 359.822369] ? zap_class+0x640/0x640 [ 359.826091] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 359.831124] ? find_held_lock+0x36/0x1c0 [ 359.835209] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.839880] ? lock_downgrade+0x900/0x900 [ 359.844043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.849594] cache_grow_begin+0xa5/0x8c0 [ 359.853666] ? do_raw_spin_unlock+0xa7/0x330 [ 359.858083] fallback_alloc+0x204/0x2e0 [ 359.862067] ____cache_alloc_node+0x1c7/0x1e0 [ 359.866569] kmem_cache_alloc_node+0xe3/0x730 [ 359.871067] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.875318] __alloc_skb+0x119/0x770 [ 359.879050] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.884338] ? netdev_alloc_frag+0x1f0/0x1f0 [ 359.888749] ? lock_downgrade+0x900/0x900 [ 359.892914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.898456] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.903915] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.909371] ? addrconf_rs_timer+0x690/0x690 [ 359.913793] ndisc_alloc_skb+0x144/0x340 [ 359.917859] ndisc_send_rs+0x331/0x6e0 [ 359.921766] addrconf_rs_timer+0x314/0x690 [ 359.926010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.930258] call_timer_fn+0x272/0x920 [ 359.934164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.938401] ? process_timeout+0x40/0x40 [ 359.942473] ? __run_timers+0x7da/0xc70 [ 359.946455] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.950957] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.955456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.959699] ? lockdep_hardirqs_on+0x296/0x5b0 [ 359.964284] ? trace_hardirqs_on+0xbd/0x310 [ 359.968609] ? kasan_check_read+0x11/0x20 [ 359.972756] ? __run_timers+0x7da/0xc70 [ 359.976732] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.981851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.986091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.990325] __run_timers+0x7e5/0xc70 [ 359.994140] ? timer_fixup_init+0x70/0x70 [ 359.998304] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.002805] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.007313] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 360.011904] ? trace_hardirqs_on+0xbd/0x310 [ 360.016246] ? kasan_check_read+0x11/0x20 [ 360.020401] ? finish_task_switch+0x1f4/0x910 [ 360.024899] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.030022] ? compat_start_thread+0x80/0x80 [ 360.034452] ? pvclock_read_flags+0x160/0x160 [ 360.038976] ? __switch_to_asm+0x34/0x70 [ 360.043054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.048607] ? check_preemption_disabled+0x48/0x280 [ 360.053635] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 360.059186] ? rcu_pm_notify+0xc0/0xc0 [ 360.063076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.068618] ? check_preemption_disabled+0x48/0x280 [ 360.073641] run_timer_softirq+0x52/0xb0 [ 360.077709] ? rcu_read_lock_sched_held+0x14f/0x180 [ 360.082723] __do_softirq+0x308/0xb7e [ 360.086534] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 360.091639] ? smpboot_thread_fn+0x334/0xa00 [ 360.096057] ? schedule+0x108/0x460 [ 360.099706] ? trace_hardirqs_off+0xb8/0x310 [ 360.104121] ? smpboot_thread_fn+0x68b/0xa00 [ 360.108543] ? trace_hardirqs_on+0x310/0x310 [ 360.112957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.118502] ? check_preemption_disabled+0x48/0x280 [ 360.123522] ? takeover_tasklets+0xa90/0xa90 [ 360.127933] run_ksoftirqd+0x5e/0x100 [ 360.131741] smpboot_thread_fn+0x68b/0xa00 [ 360.135981] ? sort_range+0x30/0x30 [ 360.139609] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 360.144718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.150258] ? __kthread_parkme+0xfb/0x1a0 [ 360.154501] ? sort_range+0x30/0x30 [ 360.158131] kthread+0x35a/0x440 [ 360.161511] ? kthread_stop+0x900/0x900 [ 360.165489] ret_from_fork+0x3a/0x50 [ 360.169244] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 360.169249] warn_alloc_show_mem: 1 callbacks suppressed [ 360.169257] Mem-Info: [ 360.176608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.176617] Call Trace: [ 360.181995] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 360.181995] active_file:15 inactive_file:12 isolated_file:0 [ 360.181995] unevictable:0 dirty:0 writeback:0 unstable:0 [ 360.181995] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 360.181995] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 360.181995] free:13769 free_pcp:294 free_cma:0 [ 360.184370] [ 360.193734] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 360.196320] dump_stack+0x244/0x39d [ 360.229626] 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 [ 360.231788] ? dump_stack_print_info.cold.1+0x20/0x20 [ 360.259602] lowmem_reserve[]: 0 2818 6321 6321 [ 360.263242] warn_alloc.cold.116+0xb7/0x1bd [ 360.289320] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 360.294514] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.299063] lowmem_reserve[]: 0 0 3503 3503 [ 360.303384] ? lock_downgrade+0x900/0x900 [ 360.330780] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 360.335633] ? trace_hardirqs_off+0xb8/0x310 [ 360.339921] lowmem_reserve[]: 0 0 0 0 [ 360.344066] ? trace_hardirqs_off+0xb8/0x310 [ 360.373096] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 360.377518] __alloc_pages_slowpath+0x26e8/0x2e10 [ 360.381288] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 360.385713] ? warn_alloc+0x120/0x120 [ 360.399188] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 360.404028] ? print_usage_bug+0xc0/0xc0 [ 360.419530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 360.423323] ? warn_alloc+0x120/0x120 [ 360.438046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 360.442119] ? warn_alloc+0x120/0x120 [ 360.450931] 12557 total pagecache pages [ 360.454734] ? print_usage_bug+0xc0/0xc0 [ 360.463283] 0 pages in swap cache [ 360.467076] ? kvm_clock_read+0x18/0x30 [ 360.471029] Swap cache stats: add 0, delete 0, find 0/0 [ 360.475086] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 360.478511] Free swap = 0kB [ 360.482480] ? print_usage_bug+0xc0/0xc0 [ 360.487819] Total swap = 0kB [ 360.492838] ? __lock_acquire+0x62f/0x4c20 [ 360.495831] 1965979 pages RAM [ 360.499897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.502882] 0 pages HighMem/MovableOnly [ 360.507111] ? should_fail+0x22d/0xd01 [ 360.510192] 342853 pages reserved [ 360.515723] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.519671] 0 pages cma reserved [ 360.523561] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.527057] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.532259] ? __lock_acquire+0x62f/0x4c20 [ 360.532281] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.532297] ? __lock_acquire+0x62f/0x4c20 [ 360.535706] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.540747] ? should_fail+0x22d/0xd01 [ 360.547219] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 360.551448] ? rcu_irq_exit+0x1a2/0x390 [ 360.583573] ? mark_held_locks+0x130/0x130 [ 360.587817] ? mark_held_locks+0x130/0x130 [ 360.592062] ? mark_held_locks+0xc7/0x130 [ 360.596218] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 360.601241] ? zap_class+0x640/0x640 [ 360.604957] ? print_usage_bug+0xc0/0xc0 [ 360.609025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.614570] ? check_preemption_disabled+0x48/0x280 [ 360.619603] ? __lock_is_held+0xb5/0x140 [ 360.623675] __alloc_pages_nodemask+0xa80/0xde0 [ 360.628349] ? zap_class+0x640/0x640 [ 360.632071] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 360.637099] ? find_held_lock+0x36/0x1c0 [ 360.641199] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.645888] ? lock_downgrade+0x900/0x900 [ 360.650044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.655590] cache_grow_begin+0xa5/0x8c0 [ 360.659651] ? do_raw_spin_unlock+0xa7/0x330 [ 360.664071] fallback_alloc+0x204/0x2e0 [ 360.668054] ____cache_alloc_node+0x1c7/0x1e0 [ 360.672557] kmem_cache_alloc_node+0xe3/0x730 [ 360.677059] ? ipv6_get_ifaddr+0x42e/0x620 [ 360.681312] __alloc_skb+0x119/0x770 [ 360.685026] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.690307] ? netdev_alloc_frag+0x1f0/0x1f0 [ 360.694717] ? lock_downgrade+0x900/0x900 [ 360.698873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.704416] ? refcount_sub_and_test_checked+0x203/0x310 [ 360.709874] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 360.715326] ? addrconf_rs_timer+0x690/0x690 [ 360.719748] ndisc_alloc_skb+0x144/0x340 [ 360.723832] ndisc_send_rs+0x331/0x6e0 [ 360.727756] addrconf_rs_timer+0x314/0x690 [ 360.732025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.736271] call_timer_fn+0x272/0x920 [ 360.740176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.744412] ? process_timeout+0x40/0x40 [ 360.748483] ? __run_timers+0x7da/0xc70 [ 360.752468] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.756961] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.761461] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.765706] ? lockdep_hardirqs_on+0x296/0x5b0 [ 360.770295] ? trace_hardirqs_on+0xbd/0x310 [ 360.774619] ? kasan_check_read+0x11/0x20 [ 360.778767] ? __run_timers+0x7da/0xc70 [ 360.782745] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.787854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.792094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.796326] __run_timers+0x7e5/0xc70 [ 360.800151] ? timer_fixup_init+0x70/0x70 [ 360.804313] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 360.809331] ? zap_class+0x640/0x640 [ 360.813049] ? enqueue_hrtimer+0x1a5/0x560 [ 360.817288] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 360.822486] ? find_held_lock+0x36/0x1c0 [ 360.826570] ? zap_class+0x640/0x640 [ 360.830289] ? pvclock_read_flags+0x160/0x160 [ 360.834802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.840355] ? check_preemption_disabled+0x48/0x280 [ 360.845379] ? __lock_is_held+0xb5/0x140 [ 360.849474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.855027] ? check_preemption_disabled+0x48/0x280 [ 360.860048] run_timer_softirq+0x52/0xb0 [ 360.864115] ? rcu_read_lock_sched_held+0x14f/0x180 [ 360.869153] __do_softirq+0x308/0xb7e [ 360.872967] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 360.877462] ? lock_downgrade+0x900/0x900 [ 360.881618] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 360.886729] ? pvclock_read_flags+0x160/0x160 [ 360.891240] ? lapic_next_event+0x5a/0x90 [ 360.895399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.900945] ? kvm_clock_read+0x18/0x30 [ 360.904924] ? kvm_sched_clock_read+0x9/0x20 [ 360.909342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.914887] ? check_preemption_disabled+0x48/0x280 [ 360.919931] irq_exit+0x17f/0x1c0 [ 360.923392] smp_apic_timer_interrupt+0x1cb/0x760 [ 360.928243] ? smp_reschedule_interrupt+0x109/0x650 [ 360.933272] ? smp_call_function_single_interrupt+0x650/0x650 [ 360.939171] ? interrupt_entry+0xb5/0xc0 [ 360.943246] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.948264] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.953285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.958151] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.963192] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.968214] ? task_prio+0x50/0x50 [ 360.971758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.977301] ? check_preemption_disabled+0x48/0x280 [ 360.982330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.987193] apic_timer_interrupt+0xf/0x20 [ 360.991421] [ 360.993667] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 360.999554] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 361.018457] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 361.026174] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 361.033444] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 361.040711] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 361.047977] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 361.055249] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 361.062561] ? save_stack+0xa9/0xd0 [ 361.066202] __kmalloc_node_track_caller+0x3c/0x70 [ 361.071137] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 361.075919] pskb_expand_head+0x230/0x10f0 [ 361.080167] ? check_preemption_disabled+0x48/0x280 [ 361.085239] ? memcpy+0x45/0x50 [ 361.088523] ? __copy_skb_header+0x350/0x6b0 [ 361.092938] ? skb_release_data+0x880/0x880 [ 361.097265] ? __alloc_skb+0x770/0x770 [ 361.101176] ? __lock_is_held+0xb5/0x140 [ 361.105252] ? kasan_check_write+0x14/0x20 [ 361.109492] ? __skb_clone+0x6c7/0xa00 [ 361.113385] ? __copy_skb_header+0x6b0/0x6b0 [ 361.117796] ? kmem_cache_alloc+0x33a/0x730 [ 361.122122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.127680] skb_ensure_writable+0x3dd/0x640 [ 361.132100] ? skb_checksum_setup+0xaa0/0xaa0 [ 361.136599] ? preempt_notifier_register+0x200/0x200 [ 361.141701] ? __switch_to_asm+0x34/0x70 [ 361.145760] ? __switch_to_asm+0x34/0x70 [ 361.149819] ? __switch_to_asm+0x40/0x70 [ 361.153879] ? __switch_to_asm+0x34/0x70 [ 361.157937] ? __switch_to_asm+0x40/0x70 [ 361.161998] ? __switch_to_asm+0x40/0x70 [ 361.166055] ? __switch_to_asm+0x34/0x70 [ 361.170129] ? __switch_to_asm+0x34/0x70 [ 361.174208] ? __switch_to_asm+0x40/0x70 [ 361.178269] ? __switch_to_asm+0x34/0x70 [ 361.182336] bpf_clone_redirect+0x14a/0x490 [ 361.186668] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 361.191690] ? __sched_text_start+0x8/0x8 [ 361.195866] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.200635] ? find_held_lock+0x36/0x1c0 [ 361.204726] ? lock_acquire+0x1ed/0x520 [ 361.208699] ? bpf_test_run+0x3cb/0x780 [ 361.212679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.218233] ? check_preemption_disabled+0x48/0x280 [ 361.223281] ? kasan_check_read+0x11/0x20 [ 361.227432] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.232708] ? rcu_softirq_qs+0x20/0x20 [ 361.236700] ? preempt_schedule+0x4d/0x60 [ 361.240873] ? ___preempt_schedule+0x16/0x18 [ 361.245308] ? bpf_test_run+0x25d/0x780 [ 361.249295] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.253708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.259250] ? bpf_test_init.isra.10+0x70/0x100 [ 361.263932] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 361.268699] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.273545] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.279084] ? fput+0x130/0x1a0 [ 361.282641] ? __bpf_prog_get+0x9b/0x290 [ 361.286714] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.291557] ? bpf_prog_test_run+0x130/0x1a0 [ 361.295972] ? __x64_sys_bpf+0x3db/0x520 [ 361.300040] ? bpf_prog_get+0x20/0x20 [ 361.303867] ? do_syscall_64+0x1b9/0x820 [ 361.307928] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.313308] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.318276] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.323311] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.328332] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 361.334997] ? __switch_to_asm+0x40/0x70 [ 361.339075] ? __switch_to_asm+0x34/0x70 [ 361.343335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.348196] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.353582] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 361.353651] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.360523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.360531] Call Trace: [ 361.367105] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.376385] dump_stack+0x244/0x39d [ 361.378975] syz-executor2 cpuset=syz2 mems_allowed=0 [ 361.389452] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.403334] warn_alloc.cold.116+0xb7/0x1bd [ 361.407679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.412533] ? lock_downgrade+0x900/0x900 [ 361.416709] ? trace_hardirqs_off+0xb8/0x310 [ 361.421137] ? trace_hardirqs_off+0xb8/0x310 [ 361.425561] __alloc_pages_slowpath+0x26e8/0x2e10 [ 361.430445] ? warn_alloc+0x120/0x120 [ 361.434253] ? print_usage_bug+0xc0/0xc0 [ 361.438315] ? warn_alloc+0x120/0x120 [ 361.442119] ? warn_alloc+0x120/0x120 [ 361.445929] ? print_usage_bug+0xc0/0xc0 [ 361.449995] ? print_usage_bug+0xc0/0xc0 [ 361.454058] ? __lock_acquire+0x62f/0x4c20 [ 361.458302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.463836] ? should_fail+0x22d/0xd01 [ 361.467727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.472846] ? __lock_acquire+0x62f/0x4c20 [ 361.477085] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.482186] ? __lock_acquire+0x62f/0x4c20 [ 361.486416] ? should_fail+0x22d/0xd01 [ 361.490302] ? find_held_lock+0x36/0x1c0 [ 361.494375] ? mark_held_locks+0x130/0x130 [ 361.498628] ? mark_held_locks+0x130/0x130 [ 361.502867] ? zap_class+0x640/0x640 [ 361.506611] ? zap_class+0x640/0x640 [ 361.510330] ? print_usage_bug+0xc0/0xc0 [ 361.514385] ? do_raw_spin_unlock+0xa7/0x330 [ 361.518793] ? zap_class+0x640/0x640 [ 361.522509] ? print_usage_bug+0xc0/0xc0 [ 361.526598] ? wq_watchdog_touch+0x9c/0xfe [ 361.530838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.536376] ? check_preemption_disabled+0x48/0x280 [ 361.541402] ? __lock_is_held+0xb5/0x140 [ 361.545489] __alloc_pages_nodemask+0xa80/0xde0 [ 361.550164] ? zap_class+0x640/0x640 [ 361.553898] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 361.558938] ? find_held_lock+0x36/0x1c0 [ 361.563010] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.567682] ? lock_downgrade+0x900/0x900 [ 361.571834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.577372] cache_grow_begin+0xa5/0x8c0 [ 361.581433] ? do_raw_spin_unlock+0xa7/0x330 [ 361.585844] fallback_alloc+0x204/0x2e0 [ 361.589836] ____cache_alloc_node+0x1c7/0x1e0 [ 361.594353] kmem_cache_alloc_node+0xe3/0x730 [ 361.598852] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.603097] __alloc_skb+0x119/0x770 [ 361.606813] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.612093] ? netdev_alloc_frag+0x1f0/0x1f0 [ 361.616520] ? lock_downgrade+0x900/0x900 [ 361.620684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.626226] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.631683] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.637140] ? addrconf_rs_timer+0x690/0x690 [ 361.641588] ndisc_alloc_skb+0x144/0x340 [ 361.645670] ndisc_send_rs+0x331/0x6e0 [ 361.649562] addrconf_rs_timer+0x314/0x690 [ 361.653802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.658047] call_timer_fn+0x272/0x920 [ 361.661930] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.666168] ? process_timeout+0x40/0x40 [ 361.670249] ? __run_timers+0x7da/0xc70 [ 361.674224] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.678716] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.683211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.687454] ? lockdep_hardirqs_on+0x296/0x5b0 [ 361.692051] ? trace_hardirqs_on+0xbd/0x310 [ 361.696369] ? kasan_check_read+0x11/0x20 [ 361.700511] ? __run_timers+0x7da/0xc70 [ 361.704484] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.709584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.713824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.718054] __run_timers+0x7e5/0xc70 [ 361.721864] ? timer_fixup_init+0x70/0x70 [ 361.726041] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.730535] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.735030] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 361.739617] ? trace_hardirqs_on+0xbd/0x310 [ 361.743933] ? kasan_check_read+0x11/0x20 [ 361.748078] ? finish_task_switch+0x1f4/0x910 [ 361.752574] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.757699] ? compat_start_thread+0x80/0x80 [ 361.762128] ? pvclock_read_flags+0x160/0x160 [ 361.766623] ? __switch_to_asm+0x34/0x70 [ 361.770682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.776221] ? check_preemption_disabled+0x48/0x280 [ 361.781261] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 361.786846] ? rcu_pm_notify+0xc0/0xc0 [ 361.790731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.796269] ? check_preemption_disabled+0x48/0x280 [ 361.801294] run_timer_softirq+0x52/0xb0 [ 361.805371] ? rcu_read_lock_sched_held+0x14f/0x180 [ 361.810405] __do_softirq+0x308/0xb7e [ 361.814234] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 361.819367] ? smpboot_thread_fn+0x334/0xa00 [ 361.823795] ? schedule+0x108/0x460 [ 361.827432] ? trace_hardirqs_off+0xb8/0x310 [ 361.831837] ? smpboot_thread_fn+0x68b/0xa00 [ 361.836256] ? trace_hardirqs_on+0x310/0x310 [ 361.840669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.846208] ? check_preemption_disabled+0x48/0x280 [ 361.851229] ? takeover_tasklets+0xa90/0xa90 [ 361.855639] run_ksoftirqd+0x5e/0x100 [ 361.859446] smpboot_thread_fn+0x68b/0xa00 [ 361.863694] ? sort_range+0x30/0x30 [ 361.867322] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 361.872423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.877960] ? __kthread_parkme+0xfb/0x1a0 [ 361.882203] ? sort_range+0x30/0x30 [ 361.885829] kthread+0x35a/0x440 [ 361.889200] ? kthread_stop+0x900/0x900 [ 361.893185] ret_from_fork+0x3a/0x50 [ 361.896921] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 361.896926] warn_alloc_show_mem: 1 callbacks suppressed [ 361.896934] Mem-Info: [ 361.904283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.909669] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 361.909669] active_file:15 inactive_file:12 isolated_file:0 [ 361.909669] unevictable:0 dirty:0 writeback:0 unstable:0 [ 361.909669] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 361.909669] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 361.909669] free:13769 free_pcp:294 free_cma:0 [ 361.912051] Call Trace: [ 361.921456] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 361.954560] [ 361.957126] 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 [ 361.984978] dump_stack+0x244/0x39d [ 361.987106] lowmem_reserve[]: 0 2818 6321 6321 [ 362.013209] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.016809] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 362.021390] warn_alloc.cold.116+0xb7/0x1bd [ 362.026544] lowmem_reserve[]: 0 0 3503 3503 [ 362.053945] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.058239] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 362.062550] ? lock_downgrade+0x900/0x900 [ 362.067365] lowmem_reserve[]: 0 0 0 0 [ 362.096420] ? trace_hardirqs_off+0xb8/0x310 [ 362.100552] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 362.104366] ? trace_hardirqs_off+0xb8/0x310 [ 362.108748] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 362.122279] __alloc_pages_slowpath+0x26e8/0x2e10 [ 362.126678] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 362.142220] ? warn_alloc+0x120/0x120 [ 362.147021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 362.161746] ? print_usage_bug+0xc0/0xc0 [ 362.165527] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 362.174358] ? warn_alloc+0x120/0x120 [ 362.178392] 12557 total pagecache pages [ 362.186956] ? warn_alloc+0x120/0x120 [ 362.190735] 0 pages in swap cache [ 362.194695] ? print_usage_bug+0xc0/0xc0 [ 362.198489] Swap cache stats: add 0, delete 0, find 0/0 [ 362.201927] ? kvm_clock_read+0x18/0x30 [ 362.205962] Free swap = 0kB [ 362.211831] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 362.215782] Total swap = 0kB [ 362.218811] ? print_usage_bug+0xc0/0xc0 [ 362.223816] 1965979 pages RAM [ 362.226842] ? __lock_acquire+0x62f/0x4c20 [ 362.230875] 0 pages HighMem/MovableOnly [ 362.234004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.238212] 342853 pages reserved [ 362.242210] ? should_fail+0x22d/0xd01 [ 362.247720] 0 pages cma reserved [ 362.251178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.255096] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 362.258398] ? __lock_acquire+0x62f/0x4c20 [ 362.263568] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 362.269979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.274193] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 362.284497] ? __lock_acquire+0x62f/0x4c20 [ 362.298451] ? should_fail+0x22d/0xd01 [ 362.302349] ? mark_held_locks+0x130/0x130 [ 362.306604] ? mark_held_locks+0x130/0x130 [ 362.310878] ? zap_class+0x640/0x640 [ 362.314593] ? print_usage_bug+0xc0/0xc0 [ 362.318663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.324217] ? check_preemption_disabled+0x48/0x280 [ 362.329246] ? __lock_is_held+0xb5/0x140 [ 362.333314] __alloc_pages_nodemask+0xa80/0xde0 [ 362.338854] ? zap_class+0x640/0x640 [ 362.342591] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 362.347617] ? find_held_lock+0x36/0x1c0 [ 362.351689] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.356396] ? lock_downgrade+0x900/0x900 [ 362.360565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.366107] cache_grow_begin+0xa5/0x8c0 [ 362.370176] ? do_raw_spin_unlock+0xa7/0x330 [ 362.374608] fallback_alloc+0x204/0x2e0 [ 362.378587] ____cache_alloc_node+0x1c7/0x1e0 [ 362.383085] kmem_cache_alloc_node+0xe3/0x730 [ 362.387585] ? ipv6_get_ifaddr+0x42e/0x620 [ 362.391834] __alloc_skb+0x119/0x770 [ 362.395542] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.400822] ? netdev_alloc_frag+0x1f0/0x1f0 [ 362.405233] ? lock_downgrade+0x900/0x900 [ 362.409386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.414934] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.420402] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.425866] ? addrconf_rs_timer+0x690/0x690 [ 362.430287] ndisc_alloc_skb+0x144/0x340 [ 362.434352] ndisc_send_rs+0x331/0x6e0 [ 362.438241] addrconf_rs_timer+0x314/0x690 [ 362.442477] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.446717] call_timer_fn+0x272/0x920 [ 362.450604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.454836] ? process_timeout+0x40/0x40 [ 362.458900] ? __run_timers+0x7da/0xc70 [ 362.462877] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.467368] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.471875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.476106] ? lockdep_hardirqs_on+0x296/0x5b0 [ 362.480685] ? trace_hardirqs_on+0xbd/0x310 [ 362.485018] ? kasan_check_read+0x11/0x20 [ 362.489194] ? __run_timers+0x7da/0xc70 [ 362.493179] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.498304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.502539] __run_timers+0x7e5/0xc70 [ 362.506382] ? timer_fixup_init+0x70/0x70 [ 362.510536] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.515554] ? zap_class+0x640/0x640 [ 362.519273] ? enqueue_hrtimer+0x1a5/0x560 [ 362.523511] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 362.528719] ? find_held_lock+0x36/0x1c0 [ 362.532817] ? zap_class+0x640/0x640 [ 362.536537] ? pvclock_read_flags+0x160/0x160 [ 362.541034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.546573] ? check_preemption_disabled+0x48/0x280 [ 362.551604] ? __lock_is_held+0xb5/0x140 [ 362.555680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.561221] ? check_preemption_disabled+0x48/0x280 [ 362.566281] run_timer_softirq+0x52/0xb0 [ 362.570349] ? rcu_read_lock_sched_held+0x14f/0x180 [ 362.575376] __do_softirq+0x308/0xb7e [ 362.579208] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 362.583725] ? lock_downgrade+0x900/0x900 [ 362.587876] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 362.592988] ? pvclock_read_flags+0x160/0x160 [ 362.597485] ? lapic_next_event+0x5a/0x90 [ 362.601648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.607202] ? kvm_clock_read+0x18/0x30 [ 362.611184] ? kvm_sched_clock_read+0x9/0x20 [ 362.615614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.621175] ? check_preemption_disabled+0x48/0x280 [ 362.626203] irq_exit+0x17f/0x1c0 [ 362.629660] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.634519] ? smp_reschedule_interrupt+0x109/0x650 [ 362.639549] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.645432] ? interrupt_entry+0xb5/0xc0 [ 362.649496] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.654510] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.659530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.664404] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.669434] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.674448] ? task_prio+0x50/0x50 [ 362.677991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.683543] ? check_preemption_disabled+0x48/0x280 [ 362.688599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.693463] apic_timer_interrupt+0xf/0x20 [ 362.697689] [ 362.699927] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 362.705823] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 362.724726] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 362.732440] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 362.739703] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 362.746993] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 362.754255] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 362.761535] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 362.768842] ? save_stack+0xa9/0xd0 [ 362.772479] __kmalloc_node_track_caller+0x3c/0x70 [ 362.777412] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 362.782195] pskb_expand_head+0x230/0x10f0 [ 362.786434] ? check_preemption_disabled+0x48/0x280 [ 362.791466] ? memcpy+0x45/0x50 [ 362.794750] ? __copy_skb_header+0x350/0x6b0 [ 362.799175] ? skb_release_data+0x880/0x880 [ 362.803497] ? __alloc_skb+0x770/0x770 [ 362.807410] ? __lock_is_held+0xb5/0x140 [ 362.811489] ? kasan_check_write+0x14/0x20 [ 362.815721] ? __skb_clone+0x6c7/0xa00 [ 362.819626] ? __copy_skb_header+0x6b0/0x6b0 [ 362.824064] ? kmem_cache_alloc+0x33a/0x730 [ 362.828388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.833932] skb_ensure_writable+0x3dd/0x640 [ 362.838351] ? skb_checksum_setup+0xaa0/0xaa0 [ 362.842849] ? preempt_notifier_register+0x200/0x200 [ 362.847953] ? __switch_to_asm+0x34/0x70 [ 362.852012] ? __switch_to_asm+0x34/0x70 [ 362.856070] ? __switch_to_asm+0x40/0x70 [ 362.860128] ? __switch_to_asm+0x34/0x70 [ 362.864210] ? __switch_to_asm+0x40/0x70 [ 362.868273] ? __switch_to_asm+0x40/0x70 [ 362.872330] ? __switch_to_asm+0x34/0x70 [ 362.876390] ? __switch_to_asm+0x34/0x70 [ 362.880451] ? __switch_to_asm+0x40/0x70 [ 362.884511] ? __switch_to_asm+0x34/0x70 [ 362.888596] bpf_clone_redirect+0x14a/0x490 [ 362.892943] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 362.897961] ? __sched_text_start+0x8/0x8 [ 362.902123] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 362.906898] ? find_held_lock+0x36/0x1c0 [ 362.910966] ? lock_acquire+0x1ed/0x520 [ 362.914938] ? bpf_test_run+0x3cb/0x780 [ 362.918911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.924448] ? check_preemption_disabled+0x48/0x280 [ 362.929469] ? kasan_check_read+0x11/0x20 [ 362.933616] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.938888] ? rcu_softirq_qs+0x20/0x20 [ 362.942858] ? preempt_schedule+0x4d/0x60 [ 362.947003] ? ___preempt_schedule+0x16/0x18 [ 362.951417] ? bpf_test_run+0x25d/0x780 [ 362.955403] ? netlink_diag_dump+0x2a0/0x2a0 [ 362.959816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.965354] ? bpf_test_init.isra.10+0x70/0x100 [ 362.970041] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 362.974821] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 362.979658] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 362.985214] ? fput+0x130/0x1a0 [ 362.988496] ? __bpf_prog_get+0x9b/0x290 [ 362.992576] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 362.997413] ? bpf_prog_test_run+0x130/0x1a0 [ 363.001854] ? __x64_sys_bpf+0x3db/0x520 [ 363.005910] ? bpf_prog_get+0x20/0x20 [ 363.009729] ? do_syscall_64+0x1b9/0x820 [ 363.013831] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 363.019197] ? syscall_return_slowpath+0x5e0/0x5e0 [ 363.024129] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.029173] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 363.034196] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 363.040862] ? __switch_to_asm+0x40/0x70 [ 363.044919] ? __switch_to_asm+0x34/0x70 [ 363.048982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.053830] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.059209] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 363.059275] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.066133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.066138] Call Trace: [ 363.066164] dump_stack+0x244/0x39d [ 363.066184] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.066209] warn_alloc.cold.116+0xb7/0x1bd [ 363.072748] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.082018] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.084591] syz-executor2 cpuset=syz2 mems_allowed=0 [ 363.088208] ? lock_downgrade+0x900/0x900 [ 363.122201] ? trace_hardirqs_off+0xb8/0x310 [ 363.126617] ? trace_hardirqs_off+0xb8/0x310 [ 363.131031] __alloc_pages_slowpath+0x26e8/0x2e10 [ 363.135901] ? warn_alloc+0x120/0x120 [ 363.139703] ? print_usage_bug+0xc0/0xc0 [ 363.143769] ? warn_alloc+0x120/0x120 [ 363.147574] ? warn_alloc+0x120/0x120 [ 363.151373] ? print_usage_bug+0xc0/0xc0 [ 363.155438] ? print_usage_bug+0xc0/0xc0 [ 363.159514] ? __lock_acquire+0x62f/0x4c20 [ 363.163751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.169288] ? should_fail+0x22d/0xd01 [ 363.173198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.178302] ? __lock_acquire+0x62f/0x4c20 [ 363.182536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.187632] ? __lock_acquire+0x62f/0x4c20 [ 363.191878] ? should_fail+0x22d/0xd01 [ 363.195790] ? find_held_lock+0x36/0x1c0 [ 363.199889] ? mark_held_locks+0x130/0x130 [ 363.204130] ? mark_held_locks+0x130/0x130 [ 363.208366] ? zap_class+0x640/0x640 [ 363.212081] ? mark_held_locks+0xc7/0x130 [ 363.216222] ? do_raw_spin_unlock+0xa7/0x330 [ 363.220629] ? zap_class+0x640/0x640 [ 363.224357] ? print_usage_bug+0xc0/0xc0 [ 363.228417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.233954] ? check_preemption_disabled+0x48/0x280 [ 363.239000] ? __lock_is_held+0xb5/0x140 [ 363.243067] __alloc_pages_nodemask+0xa80/0xde0 [ 363.247736] ? zap_class+0x640/0x640 [ 363.251459] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 363.256492] ? find_held_lock+0x36/0x1c0 [ 363.260588] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.265259] ? lock_downgrade+0x900/0x900 [ 363.269448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.275011] cache_grow_begin+0xa5/0x8c0 [ 363.279076] ? do_raw_spin_unlock+0xa7/0x330 [ 363.283494] fallback_alloc+0x204/0x2e0 [ 363.287492] ____cache_alloc_node+0x1c7/0x1e0 [ 363.292026] kmem_cache_alloc_node+0xe3/0x730 [ 363.296521] ? ipv6_get_ifaddr+0x42e/0x620 [ 363.300769] __alloc_skb+0x119/0x770 [ 363.304505] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.309815] ? netdev_alloc_frag+0x1f0/0x1f0 [ 363.314240] ? lock_downgrade+0x900/0x900 [ 363.318395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.323932] ? refcount_sub_and_test_checked+0x203/0x310 [ 363.329391] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 363.334860] ? addrconf_rs_timer+0x690/0x690 [ 363.339288] ndisc_alloc_skb+0x144/0x340 [ 363.343485] ndisc_send_rs+0x331/0x6e0 [ 363.347377] addrconf_rs_timer+0x314/0x690 [ 363.351618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.355868] call_timer_fn+0x272/0x920 [ 363.359771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.364004] ? process_timeout+0x40/0x40 [ 363.368075] ? __run_timers+0x7da/0xc70 [ 363.372051] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.376544] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.381034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.385269] ? lockdep_hardirqs_on+0x296/0x5b0 [ 363.389852] ? trace_hardirqs_on+0xbd/0x310 [ 363.394184] ? kasan_check_read+0x11/0x20 [ 363.398358] ? __run_timers+0x7da/0xc70 [ 363.402349] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.407453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.411692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.415922] __run_timers+0x7e5/0xc70 [ 363.419735] ? timer_fixup_init+0x70/0x70 [ 363.423897] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.428396] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.432897] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 363.437482] ? trace_hardirqs_on+0xbd/0x310 [ 363.441800] ? kasan_check_read+0x11/0x20 [ 363.445948] ? finish_task_switch+0x1f4/0x910 [ 363.450446] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.455550] ? compat_start_thread+0x80/0x80 [ 363.459981] ? pvclock_read_flags+0x160/0x160 [ 363.464487] ? __switch_to_asm+0x34/0x70 [ 363.468549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.474083] ? check_preemption_disabled+0x48/0x280 [ 363.479119] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 363.484708] ? rcu_pm_notify+0xc0/0xc0 [ 363.488611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.494153] ? check_preemption_disabled+0x48/0x280 [ 363.499179] run_timer_softirq+0x52/0xb0 [ 363.503238] ? rcu_read_lock_sched_held+0x14f/0x180 [ 363.508266] __do_softirq+0x308/0xb7e [ 363.512073] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 363.517176] ? smpboot_thread_fn+0x334/0xa00 [ 363.521585] ? schedule+0x108/0x460 [ 363.525220] ? trace_hardirqs_off+0xb8/0x310 [ 363.529630] ? smpboot_thread_fn+0x68b/0xa00 [ 363.534043] ? trace_hardirqs_on+0x310/0x310 [ 363.538453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.543991] ? check_preemption_disabled+0x48/0x280 [ 363.549009] ? takeover_tasklets+0xa90/0xa90 [ 363.553421] run_ksoftirqd+0x5e/0x100 [ 363.557222] smpboot_thread_fn+0x68b/0xa00 [ 363.561464] ? sort_range+0x30/0x30 [ 363.565090] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 363.570215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.575767] ? __kthread_parkme+0xfb/0x1a0 [ 363.580002] ? sort_range+0x30/0x30 [ 363.583639] kthread+0x35a/0x440 [ 363.587033] ? kthread_stop+0x900/0x900 [ 363.591008] ret_from_fork+0x3a/0x50 [ 363.594733] warn_alloc_show_mem: 1 callbacks suppressed [ 363.594744] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 363.594746] Mem-Info: [ 363.594778] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 363.594778] active_file:15 inactive_file:12 isolated_file:0 [ 363.594778] unevictable:0 dirty:0 writeback:0 unstable:0 [ 363.594778] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 363.594778] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 363.594778] free:13769 free_pcp:294 free_cma:0 [ 363.600126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.607492] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 363.609888] Call Trace: [ 363.643010] 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 [ 363.652366] [ 363.680202] lowmem_reserve[]: 0 2818 6321 6321 [ 363.682782] dump_stack+0x244/0x39d [ 363.708874] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 363.711022] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.715591] lowmem_reserve[]: 0 0 3503 3503 [ 363.719246] warn_alloc.cold.116+0xb7/0x1bd [ 363.746652] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 363.751834] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.756129] lowmem_reserve[]: 0 0 0 0 [ 363.760461] ? lock_downgrade+0x900/0x900 [ 363.789496] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 363.794353] ? trace_hardirqs_off+0xb8/0x310 [ 363.798139] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 363.802295] ? trace_hardirqs_off+0xb8/0x310 [ 363.815788] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 363.820195] __alloc_pages_slowpath+0x26e8/0x2e10 [ 363.835691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 363.840116] ? warn_alloc+0x120/0x120 [ 363.854811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 363.859638] ? print_usage_bug+0xc0/0xc0 [ 363.868449] 12557 total pagecache pages [ 363.872239] ? warn_alloc+0x120/0x120 [ 363.880794] 0 pages in swap cache [ 363.884858] ? warn_alloc+0x120/0x120 [ 363.888813] Swap cache stats: add 0, delete 0, find 0/0 [ 363.892634] ? print_usage_bug+0xc0/0xc0 [ 363.896064] Free swap = 0kB [ 363.899856] ? kvm_clock_read+0x18/0x30 [ 363.905193] Total swap = 0kB [ 363.909249] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 363.912243] 1965979 pages RAM [ 363.916244] ? print_usage_bug+0xc0/0xc0 [ 363.919239] 0 pages HighMem/MovableOnly [ 363.924246] ? __lock_acquire+0x62f/0x4c20 [ 363.927336] 342853 pages reserved [ 363.927344] 0 pages cma reserved [ 363.931398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.935412] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.939576] ? should_fail+0x22d/0xd01 [ 363.943084] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.946362] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.951872] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 363.958357] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.987577] ? __lock_acquire+0x62f/0x4c20 [ 363.991819] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.996919] ? __lock_acquire+0x62f/0x4c20 [ 364.001164] ? should_fail+0x22d/0xd01 [ 364.005054] ? rcu_irq_exit+0x1a2/0x390 [ 364.009036] ? mark_held_locks+0x130/0x130 [ 364.013287] ? mark_held_locks+0x130/0x130 [ 364.017555] ? mark_held_locks+0xc7/0x130 [ 364.021730] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 364.026746] ? zap_class+0x640/0x640 [ 364.030457] ? print_usage_bug+0xc0/0xc0 [ 364.034517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.040069] ? check_preemption_disabled+0x48/0x280 [ 364.045107] ? __lock_is_held+0xb5/0x140 [ 364.049224] __alloc_pages_nodemask+0xa80/0xde0 [ 364.053888] ? zap_class+0x640/0x640 [ 364.057602] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 364.062641] ? find_held_lock+0x36/0x1c0 [ 364.066710] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.071378] ? lock_downgrade+0x900/0x900 [ 364.075531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.081071] cache_grow_begin+0xa5/0x8c0 [ 364.085128] ? do_raw_spin_unlock+0xa7/0x330 [ 364.089590] fallback_alloc+0x204/0x2e0 [ 364.093572] ____cache_alloc_node+0x1c7/0x1e0 [ 364.098071] kmem_cache_alloc_node+0xe3/0x730 [ 364.102567] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.106813] __alloc_skb+0x119/0x770 [ 364.110557] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.115862] ? netdev_alloc_frag+0x1f0/0x1f0 [ 364.120266] ? lock_downgrade+0x900/0x900 [ 364.124423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.129959] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.135412] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.140874] ? addrconf_rs_timer+0x690/0x690 [ 364.145290] ndisc_alloc_skb+0x144/0x340 [ 364.149370] ndisc_send_rs+0x331/0x6e0 [ 364.153260] addrconf_rs_timer+0x314/0x690 [ 364.157506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.161754] call_timer_fn+0x272/0x920 [ 364.165645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.169879] ? process_timeout+0x40/0x40 [ 364.173955] ? __run_timers+0x7da/0xc70 [ 364.177931] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.182423] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.186915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.191155] ? lockdep_hardirqs_on+0x296/0x5b0 [ 364.195801] ? trace_hardirqs_on+0xbd/0x310 [ 364.200118] ? kasan_check_read+0x11/0x20 [ 364.204266] ? __run_timers+0x7da/0xc70 [ 364.208244] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.213827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.218068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.222317] __run_timers+0x7e5/0xc70 [ 364.226123] ? timer_fixup_init+0x70/0x70 [ 364.230289] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 364.235303] ? zap_class+0x640/0x640 [ 364.239017] ? enqueue_hrtimer+0x1a5/0x560 [ 364.243253] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 364.248449] ? find_held_lock+0x36/0x1c0 [ 364.252527] ? zap_class+0x640/0x640 [ 364.256241] ? pvclock_read_flags+0x160/0x160 [ 364.260736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.266276] ? check_preemption_disabled+0x48/0x280 [ 364.271301] ? __lock_is_held+0xb5/0x140 [ 364.275363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.280903] ? check_preemption_disabled+0x48/0x280 [ 364.285926] run_timer_softirq+0x52/0xb0 [ 364.289988] ? rcu_read_lock_sched_held+0x14f/0x180 [ 364.295004] __do_softirq+0x308/0xb7e [ 364.298813] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 364.303303] ? lock_downgrade+0x900/0x900 [ 364.307469] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 364.312580] ? pvclock_read_flags+0x160/0x160 [ 364.317079] ? lapic_next_event+0x5a/0x90 [ 364.321232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.326774] ? kvm_clock_read+0x18/0x30 [ 364.330752] ? kvm_sched_clock_read+0x9/0x20 [ 364.335189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.340743] ? check_preemption_disabled+0x48/0x280 [ 364.345770] irq_exit+0x17f/0x1c0 [ 364.349241] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.354083] ? smp_reschedule_interrupt+0x109/0x650 [ 364.359103] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.365034] ? interrupt_entry+0xb5/0xc0 [ 364.369094] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.374108] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.379169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.384027] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.389040] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.394055] ? task_prio+0x50/0x50 [ 364.397599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.403132] ? check_preemption_disabled+0x48/0x280 [ 364.408175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.413025] apic_timer_interrupt+0xf/0x20 [ 364.417256] [ 364.419497] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 364.425389] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 364.444283] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 364.451982] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 364.459275] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 364.466537] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 364.473800] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 364.481066] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 364.488389] ? save_stack+0xa9/0xd0 [ 364.492022] __kmalloc_node_track_caller+0x3c/0x70 [ 364.496949] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 364.501721] pskb_expand_head+0x230/0x10f0 [ 364.505971] ? check_preemption_disabled+0x48/0x280 [ 364.511004] ? memcpy+0x45/0x50 [ 364.514285] ? __copy_skb_header+0x350/0x6b0 [ 364.518693] ? skb_release_data+0x880/0x880 [ 364.523046] ? __alloc_skb+0x770/0x770 [ 364.526937] ? __lock_is_held+0xb5/0x140 [ 364.531009] ? kasan_check_write+0x14/0x20 [ 364.535245] ? __skb_clone+0x6c7/0xa00 [ 364.539134] ? __copy_skb_header+0x6b0/0x6b0 [ 364.543553] ? kmem_cache_alloc+0x33a/0x730 [ 364.547888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.553446] skb_ensure_writable+0x3dd/0x640 [ 364.557871] ? skb_checksum_setup+0xaa0/0xaa0 [ 364.562384] ? preempt_notifier_register+0x200/0x200 [ 364.567481] ? __switch_to_asm+0x34/0x70 [ 364.571539] ? __switch_to_asm+0x34/0x70 [ 364.575593] ? __switch_to_asm+0x40/0x70 [ 364.579662] ? __switch_to_asm+0x34/0x70 [ 364.583720] ? __switch_to_asm+0x40/0x70 [ 364.587780] ? __switch_to_asm+0x40/0x70 [ 364.591839] ? __switch_to_asm+0x34/0x70 [ 364.595894] ? __switch_to_asm+0x34/0x70 [ 364.599966] ? __switch_to_asm+0x40/0x70 [ 364.604017] ? __switch_to_asm+0x34/0x70 [ 364.608077] bpf_clone_redirect+0x14a/0x490 [ 364.612402] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 364.617417] ? __sched_text_start+0x8/0x8 [ 364.621564] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.626332] ? find_held_lock+0x36/0x1c0 [ 364.630402] ? lock_acquire+0x1ed/0x520 [ 364.634376] ? bpf_test_run+0x3cb/0x780 [ 364.638348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.643884] ? check_preemption_disabled+0x48/0x280 [ 364.648908] ? kasan_check_read+0x11/0x20 [ 364.653056] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.658331] ? rcu_softirq_qs+0x20/0x20 [ 364.662304] ? preempt_schedule+0x4d/0x60 [ 364.666450] ? ___preempt_schedule+0x16/0x18 [ 364.670864] ? bpf_test_run+0x25d/0x780 [ 364.674856] ? netlink_diag_dump+0x2a0/0x2a0 [ 364.679269] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.684807] ? bpf_test_init.isra.10+0x70/0x100 [ 364.689479] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 364.694290] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 364.699133] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.704690] ? fput+0x130/0x1a0 [ 364.707971] ? __bpf_prog_get+0x9b/0x290 [ 364.712035] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 364.716875] ? bpf_prog_test_run+0x130/0x1a0 [ 364.721284] ? __x64_sys_bpf+0x3db/0x520 [ 364.725345] ? bpf_prog_get+0x20/0x20 [ 364.729175] ? do_syscall_64+0x1b9/0x820 [ 364.733234] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 364.738602] ? syscall_return_slowpath+0x5e0/0x5e0 [ 364.743530] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.748543] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 364.753558] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 364.760219] ? __switch_to_asm+0x40/0x70 [ 364.764275] ? __switch_to_asm+0x34/0x70 [ 364.768335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.773210] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.778596] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 364.778663] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.785520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.785525] Call Trace: [ 364.785542] dump_stack+0x244/0x39d [ 364.785565] ? dump_stack_print_info.cold.1+0x20/0x20 [ 364.792138] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.801407] warn_alloc.cold.116+0xb7/0x1bd [ 364.803959] syz-executor2 cpuset=syz2 mems_allowed=0 [ 364.807574] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.837534] ? lock_downgrade+0x900/0x900 [ 364.841690] ? trace_hardirqs_off+0xb8/0x310 [ 364.846105] ? trace_hardirqs_off+0xb8/0x310 [ 364.850558] __alloc_pages_slowpath+0x26e8/0x2e10 [ 364.855425] ? warn_alloc+0x120/0x120 [ 364.859240] ? print_usage_bug+0xc0/0xc0 [ 364.863304] ? warn_alloc+0x120/0x120 [ 364.867108] ? warn_alloc+0x120/0x120 [ 364.870912] ? print_usage_bug+0xc0/0xc0 [ 364.874977] ? print_usage_bug+0xc0/0xc0 [ 364.879043] ? __lock_acquire+0x62f/0x4c20 [ 364.883290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.888847] ? should_fail+0x22d/0xd01 [ 364.892759] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.897875] ? __lock_acquire+0x62f/0x4c20 [ 364.902112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.907216] ? __lock_acquire+0x62f/0x4c20 [ 364.911464] ? should_fail+0x22d/0xd01 [ 364.915369] ? find_held_lock+0x36/0x1c0 [ 364.919454] ? mark_held_locks+0x130/0x130 [ 364.923701] ? mark_held_locks+0x130/0x130 [ 364.927935] ? zap_class+0x640/0x640 [ 364.931671] ? mark_held_locks+0xc7/0x130 [ 364.935818] ? do_raw_spin_unlock+0xa7/0x330 [ 364.940230] ? zap_class+0x640/0x640 [ 364.943946] ? print_usage_bug+0xc0/0xc0 [ 364.948014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.953550] ? check_preemption_disabled+0x48/0x280 [ 364.958576] ? __lock_is_held+0xb5/0x140 [ 364.962643] __alloc_pages_nodemask+0xa80/0xde0 [ 364.967316] ? zap_class+0x640/0x640 [ 364.971053] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 364.976095] ? find_held_lock+0x36/0x1c0 [ 364.980172] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.984846] ? lock_downgrade+0x900/0x900 [ 364.989002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.994546] cache_grow_begin+0xa5/0x8c0 [ 364.998607] ? do_raw_spin_unlock+0xa7/0x330 [ 365.003055] fallback_alloc+0x204/0x2e0 [ 365.007063] ____cache_alloc_node+0x1c7/0x1e0 [ 365.011566] kmem_cache_alloc_node+0xe3/0x730 [ 365.016066] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.020313] __alloc_skb+0x119/0x770 [ 365.024028] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.029308] ? netdev_alloc_frag+0x1f0/0x1f0 [ 365.033715] ? lock_downgrade+0x900/0x900 [ 365.037888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.043425] ? refcount_sub_and_test_checked+0x203/0x310 [ 365.048878] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 365.054332] ? addrconf_rs_timer+0x690/0x690 [ 365.058756] ndisc_alloc_skb+0x144/0x340 [ 365.062824] ndisc_send_rs+0x331/0x6e0 [ 365.066720] addrconf_rs_timer+0x314/0x690 [ 365.070963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.075208] call_timer_fn+0x272/0x920 [ 365.079092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.083330] ? process_timeout+0x40/0x40 [ 365.087402] ? __run_timers+0x7da/0xc70 [ 365.091383] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.095877] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.100376] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.104613] ? lockdep_hardirqs_on+0x296/0x5b0 [ 365.109217] ? trace_hardirqs_on+0xbd/0x310 [ 365.113549] ? kasan_check_read+0x11/0x20 [ 365.117709] ? __run_timers+0x7da/0xc70 [ 365.121689] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.126804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.131042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.135273] __run_timers+0x7e5/0xc70 [ 365.139080] ? timer_fixup_init+0x70/0x70 [ 365.143225] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.147716] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.152213] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 365.156797] ? trace_hardirqs_on+0xbd/0x310 [ 365.161121] ? kasan_check_read+0x11/0x20 [ 365.165278] ? finish_task_switch+0x1f4/0x910 [ 365.169772] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.174875] ? compat_start_thread+0x80/0x80 [ 365.179302] ? pvclock_read_flags+0x160/0x160 [ 365.183794] ? __switch_to_asm+0x34/0x70 [ 365.187853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.193390] ? check_preemption_disabled+0x48/0x280 [ 365.198412] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 365.203948] ? rcu_pm_notify+0xc0/0xc0 [ 365.207836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.213371] ? check_preemption_disabled+0x48/0x280 [ 365.218391] run_timer_softirq+0x52/0xb0 [ 365.222465] ? rcu_read_lock_sched_held+0x14f/0x180 [ 365.227539] __do_softirq+0x308/0xb7e [ 365.231347] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 365.236447] ? smpboot_thread_fn+0x334/0xa00 [ 365.240874] ? schedule+0x108/0x460 [ 365.244509] ? trace_hardirqs_off+0xb8/0x310 [ 365.248915] ? smpboot_thread_fn+0x68b/0xa00 [ 365.253321] ? trace_hardirqs_on+0x310/0x310 [ 365.257747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.263287] ? check_preemption_disabled+0x48/0x280 [ 365.268302] ? takeover_tasklets+0xa90/0xa90 [ 365.272711] run_ksoftirqd+0x5e/0x100 [ 365.276509] smpboot_thread_fn+0x68b/0xa00 [ 365.280757] ? sort_range+0x30/0x30 [ 365.284382] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.289498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.295036] ? __kthread_parkme+0xfb/0x1a0 [ 365.299275] ? sort_range+0x30/0x30 [ 365.302905] kthread+0x35a/0x440 [ 365.306277] ? kthread_stop+0x900/0x900 [ 365.310254] ret_from_fork+0x3a/0x50 [ 365.313985] warn_alloc_show_mem: 1 callbacks suppressed [ 365.313997] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 365.313999] Mem-Info: [ 365.314032] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 365.314032] active_file:15 inactive_file:12 isolated_file:0 [ 365.314032] unevictable:0 dirty:0 writeback:0 unstable:0 [ 365.314032] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 365.314032] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 365.314032] free:13769 free_pcp:294 free_cma:0 [ 365.319361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.326724] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 365.329127] Call Trace: [ 365.362729] 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 [ 365.372072] [ 365.399896] lowmem_reserve[]: 0 2818 6321 6321 [ 365.402493] dump_stack+0x244/0x39d [ 365.428577] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 365.430728] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.435280] lowmem_reserve[]: 0 0 3503 3503 [ 365.438910] warn_alloc.cold.116+0xb7/0x1bd [ 365.466286] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 365.471469] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.475760] lowmem_reserve[]: 0 0 0 0 [ 365.480091] ? lock_downgrade+0x900/0x900 [ 365.509124] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 365.513977] ? trace_hardirqs_off+0xb8/0x310 [ 365.517753] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 365.521899] ? trace_hardirqs_off+0xb8/0x310 [ 365.535394] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 365.539812] __alloc_pages_slowpath+0x26e8/0x2e10 [ 365.555314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 365.559727] ? warn_alloc+0x120/0x120 [ 365.574418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 365.574427] 12557 total pagecache pages [ 365.579264] ? print_usage_bug+0xc0/0xc0 [ 365.588079] 0 pages in swap cache [ 365.591863] ? warn_alloc+0x120/0x120 [ 365.600414] Swap cache stats: add 0, delete 0, find 0/0 [ 365.604372] ? warn_alloc+0x120/0x120 [ 365.608409] Free swap = 0kB [ 365.611853] ? print_usage_bug+0xc0/0xc0 [ 365.615636] Total swap = 0kB [ 365.620993] ? kvm_clock_read+0x18/0x30 [ 365.624764] 1965979 pages RAM [ 365.627773] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 365.631810] 0 pages HighMem/MovableOnly [ 365.634824] ? print_usage_bug+0xc0/0xc0 [ 365.638774] 342853 pages reserved [ 365.641872] ? __lock_acquire+0x62f/0x4c20 [ 365.646860] 0 pages cma reserved [ 365.650825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.654923] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 365.658308] ? should_fail+0x22d/0xd01 [ 365.662598] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.665879] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.671388] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 365.677871] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.707021] ? __lock_acquire+0x62f/0x4c20 [ 365.711260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.716362] ? __lock_acquire+0x62f/0x4c20 [ 365.720593] ? should_fail+0x22d/0xd01 [ 365.724475] ? rcu_irq_exit+0x1a2/0x390 [ 365.728459] ? mark_held_locks+0x130/0x130 [ 365.732701] ? mark_held_locks+0x130/0x130 [ 365.736943] ? mark_held_locks+0xc7/0x130 [ 365.741108] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 365.746155] ? zap_class+0x640/0x640 [ 365.749878] ? print_usage_bug+0xc0/0xc0 [ 365.753941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.759476] ? check_preemption_disabled+0x48/0x280 [ 365.764497] ? __lock_is_held+0xb5/0x140 [ 365.768578] __alloc_pages_nodemask+0xa80/0xde0 [ 365.773251] ? zap_class+0x640/0x640 [ 365.776963] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 365.781986] ? find_held_lock+0x36/0x1c0 [ 365.786055] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.790722] ? lock_downgrade+0x900/0x900 [ 365.794872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.800412] cache_grow_begin+0xa5/0x8c0 [ 365.804470] ? do_raw_spin_unlock+0xa7/0x330 [ 365.808899] fallback_alloc+0x204/0x2e0 [ 365.812921] ____cache_alloc_node+0x1c7/0x1e0 [ 365.817433] kmem_cache_alloc_node+0xe3/0x730 [ 365.821930] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.826191] __alloc_skb+0x119/0x770 [ 365.829921] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.835201] ? netdev_alloc_frag+0x1f0/0x1f0 [ 365.839608] ? lock_downgrade+0x900/0x900 [ 365.843761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.849296] ? refcount_sub_and_test_checked+0x203/0x310 [ 365.854748] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 365.860203] ? addrconf_rs_timer+0x690/0x690 [ 365.864621] ndisc_alloc_skb+0x144/0x340 [ 365.868715] ndisc_send_rs+0x331/0x6e0 [ 365.872609] addrconf_rs_timer+0x314/0x690 [ 365.876848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.881089] call_timer_fn+0x272/0x920 [ 365.884974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.889228] ? process_timeout+0x40/0x40 [ 365.893300] ? __run_timers+0x7da/0xc70 [ 365.897291] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.901787] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.906283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.910518] ? lockdep_hardirqs_on+0x296/0x5b0 [ 365.915105] ? trace_hardirqs_on+0xbd/0x310 [ 365.919447] ? kasan_check_read+0x11/0x20 [ 365.923595] ? __run_timers+0x7da/0xc70 [ 365.927571] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.932678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.936919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.941169] __run_timers+0x7e5/0xc70 [ 365.944984] ? timer_fixup_init+0x70/0x70 [ 365.949138] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 365.954183] ? zap_class+0x640/0x640 [ 365.957906] ? enqueue_hrtimer+0x1a5/0x560 [ 365.962169] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 365.967373] ? find_held_lock+0x36/0x1c0 [ 365.971441] ? zap_class+0x640/0x640 [ 365.975176] ? pvclock_read_flags+0x160/0x160 [ 365.979679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.985225] ? check_preemption_disabled+0x48/0x280 [ 365.990255] ? __lock_is_held+0xb5/0x140 [ 365.994321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.999873] ? check_preemption_disabled+0x48/0x280 [ 366.004897] run_timer_softirq+0x52/0xb0 [ 366.008962] ? rcu_read_lock_sched_held+0x14f/0x180 [ 366.013978] __do_softirq+0x308/0xb7e [ 366.017780] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 366.022273] ? lock_downgrade+0x900/0x900 [ 366.026428] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 366.031540] ? pvclock_read_flags+0x160/0x160 [ 366.036039] ? lapic_next_event+0x5a/0x90 [ 366.040193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.045734] ? kvm_clock_read+0x18/0x30 [ 366.049706] ? kvm_sched_clock_read+0x9/0x20 [ 366.054114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.059659] ? check_preemption_disabled+0x48/0x280 [ 366.064687] irq_exit+0x17f/0x1c0 [ 366.068139] smp_apic_timer_interrupt+0x1cb/0x760 [ 366.072994] ? smp_reschedule_interrupt+0x109/0x650 [ 366.078020] ? smp_call_function_single_interrupt+0x650/0x650 [ 366.083897] ? interrupt_entry+0xb5/0xc0 [ 366.087954] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.092974] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.097990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.102830] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.107846] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.112858] ? task_prio+0x50/0x50 [ 366.116402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.121939] ? check_preemption_disabled+0x48/0x280 [ 366.126961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.131842] apic_timer_interrupt+0xf/0x20 [ 366.136080] [ 366.138317] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 366.144218] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 366.163118] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 366.170833] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 366.178103] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 366.185370] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 366.192640] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 366.199907] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 366.207215] ? save_stack+0xa9/0xd0 [ 366.211214] __kmalloc_node_track_caller+0x3c/0x70 [ 366.216166] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 366.220931] pskb_expand_head+0x230/0x10f0 [ 366.225178] ? check_preemption_disabled+0x48/0x280 [ 366.230204] ? memcpy+0x45/0x50 [ 366.233489] ? __copy_skb_header+0x350/0x6b0 [ 366.237899] ? skb_release_data+0x880/0x880 [ 366.242223] ? __alloc_skb+0x770/0x770 [ 366.246120] ? __lock_is_held+0xb5/0x140 [ 366.250201] ? kasan_check_write+0x14/0x20 [ 366.254438] ? __skb_clone+0x6c7/0xa00 [ 366.258346] ? __copy_skb_header+0x6b0/0x6b0 [ 366.262767] ? kmem_cache_alloc+0x33a/0x730 [ 366.267118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.272668] skb_ensure_writable+0x3dd/0x640 [ 366.277082] ? skb_checksum_setup+0xaa0/0xaa0 [ 366.281595] ? preempt_notifier_register+0x200/0x200 [ 366.286698] ? __switch_to_asm+0x34/0x70 [ 366.290757] ? __switch_to_asm+0x34/0x70 [ 366.294820] ? __switch_to_asm+0x40/0x70 [ 366.298885] ? __switch_to_asm+0x34/0x70 [ 366.302946] ? __switch_to_asm+0x40/0x70 [ 366.307036] ? __switch_to_asm+0x40/0x70 [ 366.311096] ? __switch_to_asm+0x34/0x70 [ 366.315168] ? __switch_to_asm+0x34/0x70 [ 366.319246] ? __switch_to_asm+0x40/0x70 [ 366.323337] ? __switch_to_asm+0x34/0x70 [ 366.327425] bpf_clone_redirect+0x14a/0x490 [ 366.331759] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 366.336777] ? __sched_text_start+0x8/0x8 [ 366.341850] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 366.346617] ? find_held_lock+0x36/0x1c0 [ 366.350687] ? lock_acquire+0x1ed/0x520 [ 366.354677] ? bpf_test_run+0x3cb/0x780 [ 366.358653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.364194] ? check_preemption_disabled+0x48/0x280 [ 366.369217] ? kasan_check_read+0x11/0x20 [ 366.373369] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.378659] ? rcu_softirq_qs+0x20/0x20 [ 366.382638] ? preempt_schedule+0x4d/0x60 [ 366.386785] ? ___preempt_schedule+0x16/0x18 [ 366.391215] ? bpf_test_run+0x25d/0x780 [ 366.395215] ? netlink_diag_dump+0x2a0/0x2a0 [ 366.399625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.405172] ? bpf_test_init.isra.10+0x70/0x100 [ 366.409874] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 366.414655] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.419497] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.425032] ? fput+0x130/0x1a0 [ 366.428311] ? __bpf_prog_get+0x9b/0x290 [ 366.432370] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.437225] ? bpf_prog_test_run+0x130/0x1a0 [ 366.441651] ? __x64_sys_bpf+0x3db/0x520 [ 366.445722] ? bpf_prog_get+0x20/0x20 [ 366.449536] ? do_syscall_64+0x1b9/0x820 [ 366.453606] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.458964] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.463923] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.468939] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 366.473952] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 366.480615] ? __switch_to_asm+0x40/0x70 [ 366.484672] ? __switch_to_asm+0x34/0x70 [ 366.488770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.493648] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.499045] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 366.499133] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.505967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.505972] Call Trace: [ 366.505990] dump_stack+0x244/0x39d [ 366.506012] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.512566] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.521841] warn_alloc.cold.116+0xb7/0x1bd [ 366.524402] syz-executor2 cpuset=syz2 mems_allowed=0 [ 366.528036] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.557912] ? lock_downgrade+0x900/0x900 [ 366.562067] ? trace_hardirqs_off+0xb8/0x310 [ 366.566485] ? trace_hardirqs_off+0xb8/0x310 [ 366.570909] __alloc_pages_slowpath+0x26e8/0x2e10 [ 366.575780] ? warn_alloc+0x120/0x120 [ 366.579583] ? print_usage_bug+0xc0/0xc0 [ 366.583663] ? warn_alloc+0x120/0x120 [ 366.587467] ? warn_alloc+0x120/0x120 [ 366.591269] ? print_usage_bug+0xc0/0xc0 [ 366.595339] ? print_usage_bug+0xc0/0xc0 [ 366.599400] ? __lock_acquire+0x62f/0x4c20 [ 366.603640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.609193] ? should_fail+0x22d/0xd01 [ 366.613083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.618191] ? __lock_acquire+0x62f/0x4c20 [ 366.622434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.627550] ? __lock_acquire+0x62f/0x4c20 [ 366.631819] ? should_fail+0x22d/0xd01 [ 366.635719] ? find_held_lock+0x36/0x1c0 [ 366.639790] ? mark_held_locks+0x130/0x130 [ 366.644074] ? mark_held_locks+0x130/0x130 [ 366.648301] ? zap_class+0x640/0x640 [ 366.652059] ? mark_held_locks+0xc7/0x130 [ 366.656235] ? do_raw_spin_unlock+0xa7/0x330 [ 366.660642] ? zap_class+0x640/0x640 [ 366.664374] ? print_usage_bug+0xc0/0xc0 [ 366.668436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.673970] ? check_preemption_disabled+0x48/0x280 [ 366.678990] ? __lock_is_held+0xb5/0x140 [ 366.683057] __alloc_pages_nodemask+0xa80/0xde0 [ 366.687721] ? zap_class+0x640/0x640 [ 366.691438] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 366.696462] ? find_held_lock+0x36/0x1c0 [ 366.700531] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.705204] ? lock_downgrade+0x900/0x900 [ 366.709354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.714896] cache_grow_begin+0xa5/0x8c0 [ 366.718952] ? do_raw_spin_unlock+0xa7/0x330 [ 366.723365] fallback_alloc+0x204/0x2e0 [ 366.727350] ____cache_alloc_node+0x1c7/0x1e0 [ 366.731867] kmem_cache_alloc_node+0xe3/0x730 [ 366.736365] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.740611] __alloc_skb+0x119/0x770 [ 366.744343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.749626] ? netdev_alloc_frag+0x1f0/0x1f0 [ 366.754037] ? lock_downgrade+0x900/0x900 [ 366.758194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.763732] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.769193] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.774642] ? addrconf_rs_timer+0x690/0x690 [ 366.779066] ndisc_alloc_skb+0x144/0x340 [ 366.783131] ndisc_send_rs+0x331/0x6e0 [ 366.787048] addrconf_rs_timer+0x314/0x690 [ 366.791292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.795540] call_timer_fn+0x272/0x920 [ 366.799427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.803667] ? process_timeout+0x40/0x40 [ 366.807739] ? __run_timers+0x7da/0xc70 [ 366.811715] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.816227] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.820739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.824976] ? lockdep_hardirqs_on+0x296/0x5b0 [ 366.829564] ? trace_hardirqs_on+0xbd/0x310 [ 366.833899] ? kasan_check_read+0x11/0x20 [ 366.838047] ? __run_timers+0x7da/0xc70 [ 366.842025] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.847136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.851384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.855616] __run_timers+0x7e5/0xc70 [ 366.859428] ? timer_fixup_init+0x70/0x70 [ 366.863579] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.868071] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.872567] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 366.877157] ? trace_hardirqs_on+0xbd/0x310 [ 366.881483] ? kasan_check_read+0x11/0x20 [ 366.885644] ? finish_task_switch+0x1f4/0x910 [ 366.890198] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.895336] ? compat_start_thread+0x80/0x80 [ 366.899771] ? pvclock_read_flags+0x160/0x160 [ 366.904264] ? __switch_to_asm+0x34/0x70 [ 366.908343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.913884] ? check_preemption_disabled+0x48/0x280 [ 366.918908] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 366.924451] ? rcu_pm_notify+0xc0/0xc0 [ 366.928342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.933882] ? check_preemption_disabled+0x48/0x280 [ 366.938901] run_timer_softirq+0x52/0xb0 [ 366.942959] ? rcu_read_lock_sched_held+0x14f/0x180 [ 366.947977] __do_softirq+0x308/0xb7e [ 366.951803] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 366.956904] ? smpboot_thread_fn+0x334/0xa00 [ 366.961320] ? schedule+0x108/0x460 [ 366.964960] ? trace_hardirqs_off+0xb8/0x310 [ 366.969374] ? smpboot_thread_fn+0x68b/0xa00 [ 366.973781] ? trace_hardirqs_on+0x310/0x310 [ 366.978240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.983783] ? check_preemption_disabled+0x48/0x280 [ 366.988802] ? takeover_tasklets+0xa90/0xa90 [ 366.993217] run_ksoftirqd+0x5e/0x100 [ 366.997018] smpboot_thread_fn+0x68b/0xa00 [ 367.001259] ? sort_range+0x30/0x30 [ 367.004886] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.009992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.015531] ? __kthread_parkme+0xfb/0x1a0 [ 367.019768] ? sort_range+0x30/0x30 [ 367.023400] kthread+0x35a/0x440 [ 367.026771] ? kthread_stop+0x900/0x900 [ 367.030764] ret_from_fork+0x3a/0x50 [ 367.034493] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 367.034498] warn_alloc_show_mem: 1 callbacks suppressed [ 367.034505] Mem-Info: [ 367.041856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.047235] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 367.047235] active_file:15 inactive_file:12 isolated_file:0 [ 367.047235] unevictable:0 dirty:0 writeback:0 unstable:0 [ 367.047235] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 367.047235] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 367.047235] free:13769 free_pcp:294 free_cma:0 [ 367.049607] Call Trace: [ 367.059039] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 367.092139] [ 367.094713] 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 [ 367.122554] dump_stack+0x244/0x39d [ 367.124680] lowmem_reserve[]: 0 2818 6321 6321 [ 367.150785] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.154388] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 367.158973] warn_alloc.cold.116+0xb7/0x1bd [ 367.164128] lowmem_reserve[]: 0 0 3503 3503 [ 367.191540] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 367.195847] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 367.200177] ? lock_downgrade+0x900/0x900 [ 367.204989] lowmem_reserve[]: 0 0 0 0 [ 367.234477] ? trace_hardirqs_off+0xb8/0x310 [ 367.238598] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 367.242394] ? trace_hardirqs_off+0xb8/0x310 [ 367.246780] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 367.260294] __alloc_pages_slowpath+0x26e8/0x2e10 [ 367.264692] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 367.280233] ? warn_alloc+0x120/0x120 [ 367.285034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 367.299758] ? print_usage_bug+0xc0/0xc0 [ 367.303561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 367.312381] ? warn_alloc+0x120/0x120 [ 367.316420] 12557 total pagecache pages [ 367.324991] ? warn_alloc+0x120/0x120 [ 367.328770] 0 pages in swap cache [ 367.332748] ? print_usage_bug+0xc0/0xc0 [ 367.336526] Swap cache stats: add 0, delete 0, find 0/0 [ 367.339983] ? kvm_clock_read+0x18/0x30 [ 367.344490] Free swap = 0kB [ 367.344500] Total swap = 0kB [ 367.349859] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 367.353807] 1965979 pages RAM [ 367.356818] ? print_usage_bug+0xc0/0xc0 [ 367.359813] 0 pages HighMem/MovableOnly [ 367.364821] ? __lock_acquire+0x62f/0x4c20 [ 367.367904] 342853 pages reserved [ 367.371959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.375908] 0 pages cma reserved [ 367.380132] ? should_fail+0x22d/0xd01 [ 367.383626] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.389084] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.389103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.392530] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.396332] ? __lock_acquire+0x62f/0x4c20 [ 367.402799] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 367.408070] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.437417] ? __lock_acquire+0x62f/0x4c20 [ 367.441645] ? should_fail+0x22d/0xd01 [ 367.445532] ? rcu_irq_exit+0x1a2/0x390 [ 367.449528] ? mark_held_locks+0x130/0x130 [ 367.453765] ? mark_held_locks+0x130/0x130 [ 367.458002] ? mark_held_locks+0xc7/0x130 [ 367.462145] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 367.467184] ? zap_class+0x640/0x640 [ 367.470897] ? print_usage_bug+0xc0/0xc0 [ 367.474961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.480495] ? check_preemption_disabled+0x48/0x280 [ 367.485530] ? __lock_is_held+0xb5/0x140 [ 367.489594] __alloc_pages_nodemask+0xa80/0xde0 [ 367.494263] ? zap_class+0x640/0x640 [ 367.498019] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 367.503048] ? find_held_lock+0x36/0x1c0 [ 367.507124] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.511810] ? lock_downgrade+0x900/0x900 [ 367.515966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.521511] cache_grow_begin+0xa5/0x8c0 [ 367.525570] ? do_raw_spin_unlock+0xa7/0x330 [ 367.529986] fallback_alloc+0x204/0x2e0 [ 367.533967] ____cache_alloc_node+0x1c7/0x1e0 [ 367.538468] kmem_cache_alloc_node+0xe3/0x730 [ 367.542966] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.547213] __alloc_skb+0x119/0x770 [ 367.550926] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.556227] ? netdev_alloc_frag+0x1f0/0x1f0 [ 367.560655] ? lock_downgrade+0x900/0x900 [ 367.564828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.570371] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.575826] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.581290] ? addrconf_rs_timer+0x690/0x690 [ 367.585715] ndisc_alloc_skb+0x144/0x340 [ 367.589796] ndisc_send_rs+0x331/0x6e0 [ 367.593693] addrconf_rs_timer+0x314/0x690 [ 367.597932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.602191] call_timer_fn+0x272/0x920 [ 367.606080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.610329] ? process_timeout+0x40/0x40 [ 367.614399] ? __run_timers+0x7da/0xc70 [ 367.618378] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.622883] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.627378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.631616] ? lockdep_hardirqs_on+0x296/0x5b0 [ 367.636202] ? trace_hardirqs_on+0xbd/0x310 [ 367.640529] ? kasan_check_read+0x11/0x20 [ 367.644690] ? __run_timers+0x7da/0xc70 [ 367.648668] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.653780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.658019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.662251] __run_timers+0x7e5/0xc70 [ 367.666068] ? timer_fixup_init+0x70/0x70 [ 367.670223] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 367.675244] ? zap_class+0x640/0x640 [ 367.678961] ? enqueue_hrtimer+0x1a5/0x560 [ 367.683202] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 367.688399] ? find_held_lock+0x36/0x1c0 [ 367.692511] ? zap_class+0x640/0x640 [ 367.696232] ? pvclock_read_flags+0x160/0x160 [ 367.700743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.706299] ? check_preemption_disabled+0x48/0x280 [ 367.711322] ? __lock_is_held+0xb5/0x140 [ 367.715411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.720945] ? check_preemption_disabled+0x48/0x280 [ 367.725962] run_timer_softirq+0x52/0xb0 [ 367.730017] ? rcu_read_lock_sched_held+0x14f/0x180 [ 367.735064] __do_softirq+0x308/0xb7e [ 367.738866] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 367.743370] ? lock_downgrade+0x900/0x900 [ 367.747518] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 367.752626] ? pvclock_read_flags+0x160/0x160 [ 367.757120] ? lapic_next_event+0x5a/0x90 [ 367.761275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.766812] ? kvm_clock_read+0x18/0x30 [ 367.770799] ? kvm_sched_clock_read+0x9/0x20 [ 367.775224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.780788] ? check_preemption_disabled+0x48/0x280 [ 367.785813] irq_exit+0x17f/0x1c0 [ 367.789264] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.794102] ? smp_reschedule_interrupt+0x109/0x650 [ 367.799116] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.805025] ? interrupt_entry+0xb5/0xc0 [ 367.809086] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.814099] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.819114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.823955] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.828985] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.834031] ? task_prio+0x50/0x50 [ 367.837573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.843112] ? check_preemption_disabled+0x48/0x280 [ 367.848143] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.853008] apic_timer_interrupt+0xf/0x20 [ 367.857238] [ 367.859482] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 367.865367] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 367.884263] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 367.891971] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 367.899237] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 367.906505] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 367.913774] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 367.921041] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 367.928341] ? save_stack+0xa9/0xd0 [ 367.931984] __kmalloc_node_track_caller+0x3c/0x70 [ 367.936917] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 367.941708] pskb_expand_head+0x230/0x10f0 [ 367.945959] ? check_preemption_disabled+0x48/0x280 [ 367.950983] ? memcpy+0x45/0x50 [ 367.954265] ? __copy_skb_header+0x350/0x6b0 [ 367.958679] ? skb_release_data+0x880/0x880 [ 367.963015] ? __alloc_skb+0x770/0x770 [ 367.966941] ? __lock_is_held+0xb5/0x140 [ 367.971013] ? kasan_check_write+0x14/0x20 [ 367.975251] ? __skb_clone+0x6c7/0xa00 [ 367.979143] ? __copy_skb_header+0x6b0/0x6b0 [ 367.983604] ? kmem_cache_alloc+0x33a/0x730 [ 367.987972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.993536] skb_ensure_writable+0x3dd/0x640 [ 367.997948] ? skb_checksum_setup+0xaa0/0xaa0 [ 368.002445] ? preempt_notifier_register+0x200/0x200 [ 368.007545] ? __switch_to_asm+0x34/0x70 [ 368.011623] ? __switch_to_asm+0x34/0x70 [ 368.015722] ? __switch_to_asm+0x40/0x70 [ 368.019781] ? __switch_to_asm+0x34/0x70 [ 368.023843] ? __switch_to_asm+0x40/0x70 [ 368.027901] ? __switch_to_asm+0x40/0x70 [ 368.031959] ? __switch_to_asm+0x34/0x70 [ 368.036022] ? __switch_to_asm+0x34/0x70 [ 368.040079] ? __switch_to_asm+0x40/0x70 [ 368.044135] ? __switch_to_asm+0x34/0x70 [ 368.048219] bpf_clone_redirect+0x14a/0x490 [ 368.052549] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 368.057567] ? __sched_text_start+0x8/0x8 [ 368.061713] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 368.066483] ? find_held_lock+0x36/0x1c0 [ 368.070556] ? lock_acquire+0x1ed/0x520 [ 368.074530] ? bpf_test_run+0x3cb/0x780 [ 368.078509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.084048] ? check_preemption_disabled+0x48/0x280 [ 368.089072] ? kasan_check_read+0x11/0x20 [ 368.093224] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.098505] ? rcu_softirq_qs+0x20/0x20 [ 368.102490] ? preempt_schedule+0x4d/0x60 [ 368.106637] ? ___preempt_schedule+0x16/0x18 [ 368.111054] ? bpf_test_run+0x25d/0x780 [ 368.115044] ? netlink_diag_dump+0x2a0/0x2a0 [ 368.119457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.124990] ? bpf_test_init.isra.10+0x70/0x100 [ 368.129664] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 368.134429] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 368.139275] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 368.144814] ? fput+0x130/0x1a0 [ 368.148095] ? __bpf_prog_get+0x9b/0x290 [ 368.152173] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 368.157015] ? bpf_prog_test_run+0x130/0x1a0 [ 368.161432] ? __x64_sys_bpf+0x3db/0x520 [ 368.165493] ? bpf_prog_get+0x20/0x20 [ 368.169317] ? do_syscall_64+0x1b9/0x820 [ 368.173374] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 368.178753] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.183701] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.188720] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 368.193766] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 368.200453] ? __switch_to_asm+0x40/0x70 [ 368.204510] ? __switch_to_asm+0x34/0x70 [ 368.208578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.213922] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.219305] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 368.219369] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 368.226231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.226236] Call Trace: [ 368.226253] dump_stack+0x244/0x39d [ 368.226275] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.232834] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.242106] warn_alloc.cold.116+0xb7/0x1bd [ 368.244654] syz-executor2 cpuset=syz2 mems_allowed=0 [ 368.248278] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.278138] ? lock_downgrade+0x900/0x900 [ 368.282305] ? trace_hardirqs_off+0xb8/0x310 [ 368.286732] ? trace_hardirqs_off+0xb8/0x310 [ 368.291204] __alloc_pages_slowpath+0x26e8/0x2e10 [ 368.296081] ? warn_alloc+0x120/0x120 [ 368.299886] ? print_usage_bug+0xc0/0xc0 [ 368.303951] ? warn_alloc+0x120/0x120 [ 368.307754] ? warn_alloc+0x120/0x120 [ 368.311562] ? print_usage_bug+0xc0/0xc0 [ 368.315657] ? print_usage_bug+0xc0/0xc0 [ 368.319745] ? __lock_acquire+0x62f/0x4c20 [ 368.323989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.329543] ? should_fail+0x22d/0xd01 [ 368.333435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.338540] ? __lock_acquire+0x62f/0x4c20 [ 368.342780] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.347879] ? __lock_acquire+0x62f/0x4c20 [ 368.352114] ? should_fail+0x22d/0xd01 [ 368.355997] ? find_held_lock+0x36/0x1c0 [ 368.360064] ? mark_held_locks+0x130/0x130 [ 368.364304] ? mark_held_locks+0x130/0x130 [ 368.368534] ? zap_class+0x640/0x640 [ 368.372253] ? mark_held_locks+0xc7/0x130 [ 368.376415] ? do_raw_spin_unlock+0xa7/0x330 [ 368.380824] ? zap_class+0x640/0x640 [ 368.384541] ? print_usage_bug+0xc0/0xc0 [ 368.388604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.394141] ? check_preemption_disabled+0x48/0x280 [ 368.399183] ? __lock_is_held+0xb5/0x140 [ 368.403268] __alloc_pages_nodemask+0xa80/0xde0 [ 368.407935] ? zap_class+0x640/0x640 [ 368.411656] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 368.416710] ? find_held_lock+0x36/0x1c0 [ 368.420786] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.425457] ? lock_downgrade+0x900/0x900 [ 368.429613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.435160] cache_grow_begin+0xa5/0x8c0 [ 368.439219] ? do_raw_spin_unlock+0xa7/0x330 [ 368.443651] fallback_alloc+0x204/0x2e0 [ 368.447655] ____cache_alloc_node+0x1c7/0x1e0 [ 368.452172] kmem_cache_alloc_node+0xe3/0x730 [ 368.456675] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.460919] __alloc_skb+0x119/0x770 [ 368.464633] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.469921] ? netdev_alloc_frag+0x1f0/0x1f0 [ 368.474340] ? lock_downgrade+0x900/0x900 [ 368.478496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.484038] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.489491] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.494955] ? addrconf_rs_timer+0x690/0x690 [ 368.499372] ndisc_alloc_skb+0x144/0x340 [ 368.503449] ndisc_send_rs+0x331/0x6e0 [ 368.507344] addrconf_rs_timer+0x314/0x690 [ 368.511600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.515847] call_timer_fn+0x272/0x920 [ 368.519738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.523986] ? process_timeout+0x40/0x40 [ 368.528067] ? __run_timers+0x7da/0xc70 [ 368.532040] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.536532] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.541022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.545259] ? lockdep_hardirqs_on+0x296/0x5b0 [ 368.549846] ? trace_hardirqs_on+0xbd/0x310 [ 368.554174] ? kasan_check_read+0x11/0x20 [ 368.558318] ? __run_timers+0x7da/0xc70 [ 368.562295] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.567424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.571674] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.575918] __run_timers+0x7e5/0xc70 [ 368.579728] ? timer_fixup_init+0x70/0x70 [ 368.583886] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.588375] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.592867] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 368.597454] ? trace_hardirqs_on+0xbd/0x310 [ 368.601773] ? kasan_check_read+0x11/0x20 [ 368.605922] ? finish_task_switch+0x1f4/0x910 [ 368.610435] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.615538] ? compat_start_thread+0x80/0x80 [ 368.619968] ? pvclock_read_flags+0x160/0x160 [ 368.624463] ? __switch_to_asm+0x34/0x70 [ 368.628527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.634063] ? check_preemption_disabled+0x48/0x280 [ 368.639092] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 368.644629] ? rcu_pm_notify+0xc0/0xc0 [ 368.648519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.654071] ? check_preemption_disabled+0x48/0x280 [ 368.659095] run_timer_softirq+0x52/0xb0 [ 368.663165] ? rcu_read_lock_sched_held+0x14f/0x180 [ 368.668191] __do_softirq+0x308/0xb7e [ 368.672002] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 368.677113] ? smpboot_thread_fn+0x334/0xa00 [ 368.681529] ? schedule+0x108/0x460 [ 368.685186] ? trace_hardirqs_off+0xb8/0x310 [ 368.689595] ? smpboot_thread_fn+0x68b/0xa00 [ 368.694020] ? trace_hardirqs_on+0x310/0x310 [ 368.698429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.703965] ? check_preemption_disabled+0x48/0x280 [ 368.708983] ? takeover_tasklets+0xa90/0xa90 [ 368.713392] run_ksoftirqd+0x5e/0x100 [ 368.717200] smpboot_thread_fn+0x68b/0xa00 [ 368.721438] ? sort_range+0x30/0x30 [ 368.725069] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.730183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.735724] ? __kthread_parkme+0xfb/0x1a0 [ 368.739962] ? sort_range+0x30/0x30 [ 368.743591] kthread+0x35a/0x440 [ 368.746959] ? kthread_stop+0x900/0x900 [ 368.750950] ret_from_fork+0x3a/0x50 [ 368.754693] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 368.754698] warn_alloc_show_mem: 1 callbacks suppressed [ 368.754706] Mem-Info: [ 368.762063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.767432] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 368.767432] active_file:15 inactive_file:12 isolated_file:0 [ 368.767432] unevictable:0 dirty:0 writeback:0 unstable:0 [ 368.767432] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 368.767432] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 368.767432] free:13769 free_pcp:294 free_cma:0 [ 368.769818] Call Trace: [ 368.779234] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.812340] [ 368.814913] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 368.842755] dump_stack+0x244/0x39d [ 368.844883] lowmem_reserve[]: 0 2818 6321 6321 [ 368.870987] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.874585] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 368.879182] warn_alloc.cold.116+0xb7/0x1bd [ 368.884349] lowmem_reserve[]: 0 0 3503 3503 [ 368.911770] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.916063] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 368.920379] ? lock_downgrade+0x900/0x900 [ 368.925193] lowmem_reserve[]: 0 0 0 0 [ 368.954247] ? trace_hardirqs_off+0xb8/0x310 [ 368.958372] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 368.962178] ? trace_hardirqs_off+0xb8/0x310 [ 368.966557] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 368.980078] __alloc_pages_slowpath+0x26e8/0x2e10 [ 368.984457] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 368.999990] ? warn_alloc+0x120/0x120 [ 369.004795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 369.019518] ? print_usage_bug+0xc0/0xc0 [ 369.023299] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 369.032128] ? warn_alloc+0x120/0x120 [ 369.036166] 12557 total pagecache pages [ 369.036181] 0 pages in swap cache [ 369.044755] ? warn_alloc+0x120/0x120 [ 369.048530] Swap cache stats: add 0, delete 0, find 0/0 [ 369.052491] ? print_usage_bug+0xc0/0xc0 [ 369.055914] Free swap = 0kB [ 369.059701] ? kvm_clock_read+0x18/0x30 [ 369.065053] Total swap = 0kB [ 369.069115] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 369.072104] 1965979 pages RAM [ 369.076108] ? print_usage_bug+0xc0/0xc0 [ 369.079137] 0 pages HighMem/MovableOnly [ 369.084168] ? __lock_acquire+0x62f/0x4c20 [ 369.087241] 342853 pages reserved [ 369.091296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.095241] 0 pages cma reserved [ 369.099484] ? should_fail+0x22d/0xd01 [ 369.103003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.108440] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.108458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.111857] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.115682] ? __lock_acquire+0x62f/0x4c20 [ 369.122146] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 369.127424] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.156756] ? __lock_acquire+0x62f/0x4c20 [ 369.160990] ? should_fail+0x22d/0xd01 [ 369.164879] ? rcu_irq_exit+0x1a2/0x390 [ 369.168863] ? mark_held_locks+0x130/0x130 [ 369.173101] ? mark_held_locks+0x130/0x130 [ 369.177345] ? mark_held_locks+0xc7/0x130 [ 369.181504] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 369.186518] ? zap_class+0x640/0x640 [ 369.190232] ? print_usage_bug+0xc0/0xc0 [ 369.194299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.199835] ? check_preemption_disabled+0x48/0x280 [ 369.204864] ? __lock_is_held+0xb5/0x140 [ 369.208929] __alloc_pages_nodemask+0xa80/0xde0 [ 369.213598] ? zap_class+0x640/0x640 [ 369.217318] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 369.222350] ? find_held_lock+0x36/0x1c0 [ 369.226418] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.231090] ? lock_downgrade+0x900/0x900 [ 369.235245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.240784] cache_grow_begin+0xa5/0x8c0 [ 369.244845] ? do_raw_spin_unlock+0xa7/0x330 [ 369.249260] fallback_alloc+0x204/0x2e0 [ 369.253258] ____cache_alloc_node+0x1c7/0x1e0 [ 369.257801] kmem_cache_alloc_node+0xe3/0x730 [ 369.262308] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.266556] __alloc_skb+0x119/0x770 [ 369.270268] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.275556] ? netdev_alloc_frag+0x1f0/0x1f0 [ 369.279962] ? lock_downgrade+0x900/0x900 [ 369.284117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.289659] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.295115] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.300564] ? addrconf_rs_timer+0x690/0x690 [ 369.305021] ndisc_alloc_skb+0x144/0x340 [ 369.309088] ndisc_send_rs+0x331/0x6e0 [ 369.312982] addrconf_rs_timer+0x314/0x690 [ 369.317223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.321467] call_timer_fn+0x272/0x920 [ 369.325358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.329596] ? process_timeout+0x40/0x40 [ 369.333663] ? __run_timers+0x7da/0xc70 [ 369.337641] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.342296] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.346787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.351023] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.355609] ? trace_hardirqs_on+0xbd/0x310 [ 369.359924] ? kasan_check_read+0x11/0x20 [ 369.364066] ? __run_timers+0x7da/0xc70 [ 369.368055] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.373170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.377407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.381635] __run_timers+0x7e5/0xc70 [ 369.385503] ? timer_fixup_init+0x70/0x70 [ 369.389666] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.394679] ? zap_class+0x640/0x640 [ 369.398397] ? enqueue_hrtimer+0x1a5/0x560 [ 369.402634] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.407831] ? find_held_lock+0x36/0x1c0 [ 369.411897] ? zap_class+0x640/0x640 [ 369.415613] ? pvclock_read_flags+0x160/0x160 [ 369.420109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.425644] ? check_preemption_disabled+0x48/0x280 [ 369.430671] ? __lock_is_held+0xb5/0x140 [ 369.434733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.440271] ? check_preemption_disabled+0x48/0x280 [ 369.445293] run_timer_softirq+0x52/0xb0 [ 369.449357] ? rcu_read_lock_sched_held+0x14f/0x180 [ 369.454374] __do_softirq+0x308/0xb7e [ 369.458186] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 369.462679] ? lock_downgrade+0x900/0x900 [ 369.466830] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 369.471939] ? pvclock_read_flags+0x160/0x160 [ 369.476438] ? lapic_next_event+0x5a/0x90 [ 369.480587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.486130] ? kvm_clock_read+0x18/0x30 [ 369.490116] ? kvm_sched_clock_read+0x9/0x20 [ 369.494532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.500069] ? check_preemption_disabled+0x48/0x280 [ 369.505112] irq_exit+0x17f/0x1c0 [ 369.508566] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.513412] ? smp_reschedule_interrupt+0x109/0x650 [ 369.518434] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.524316] ? interrupt_entry+0xb5/0xc0 [ 369.528380] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.533412] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.538431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.543275] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.548296] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.553309] ? task_prio+0x50/0x50 [ 369.556851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.562389] ? check_preemption_disabled+0x48/0x280 [ 369.567411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.572266] apic_timer_interrupt+0xf/0x20 [ 369.576495] [ 369.578735] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 369.584622] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 369.603548] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 369.611254] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 369.618521] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 369.625788] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 369.633069] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 369.640365] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 369.647663] ? save_stack+0xa9/0xd0 [ 369.651304] __kmalloc_node_track_caller+0x3c/0x70 [ 369.656239] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 369.661003] pskb_expand_head+0x230/0x10f0 [ 369.665241] ? check_preemption_disabled+0x48/0x280 [ 369.670267] ? memcpy+0x45/0x50 [ 369.673550] ? __copy_skb_header+0x350/0x6b0 [ 369.677957] ? skb_release_data+0x880/0x880 [ 369.682281] ? __alloc_skb+0x770/0x770 [ 369.686211] ? __lock_is_held+0xb5/0x140 [ 369.690285] ? kasan_check_write+0x14/0x20 [ 369.694522] ? __skb_clone+0x6c7/0xa00 [ 369.698432] ? __copy_skb_header+0x6b0/0x6b0 [ 369.702842] ? kmem_cache_alloc+0x33a/0x730 [ 369.707180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.712724] skb_ensure_writable+0x3dd/0x640 [ 369.717131] ? skb_checksum_setup+0xaa0/0xaa0 [ 369.721644] ? preempt_notifier_register+0x200/0x200 [ 369.726762] ? __switch_to_asm+0x34/0x70 [ 369.730817] ? __switch_to_asm+0x34/0x70 [ 369.734878] ? __switch_to_asm+0x40/0x70 [ 369.738937] ? __switch_to_asm+0x34/0x70 [ 369.742989] ? __switch_to_asm+0x40/0x70 [ 369.747078] ? __switch_to_asm+0x40/0x70 [ 369.751165] ? __switch_to_asm+0x34/0x70 [ 369.755228] ? __switch_to_asm+0x34/0x70 [ 369.759284] ? __switch_to_asm+0x40/0x70 [ 369.763356] ? __switch_to_asm+0x34/0x70 [ 369.767416] bpf_clone_redirect+0x14a/0x490 [ 369.771762] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 369.776794] ? __sched_text_start+0x8/0x8 [ 369.780953] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.785736] ? find_held_lock+0x36/0x1c0 [ 369.789806] ? lock_acquire+0x1ed/0x520 [ 369.793781] ? bpf_test_run+0x3cb/0x780 [ 369.797753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.803289] ? check_preemption_disabled+0x48/0x280 [ 369.808324] ? kasan_check_read+0x11/0x20 [ 369.812467] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.817743] ? rcu_softirq_qs+0x20/0x20 [ 369.821740] ? preempt_schedule+0x4d/0x60 [ 369.825891] ? ___preempt_schedule+0x16/0x18 [ 369.830352] ? bpf_test_run+0x25d/0x780 [ 369.834340] ? netlink_diag_dump+0x2a0/0x2a0 [ 369.838753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.844292] ? bpf_test_init.isra.10+0x70/0x100 [ 369.848969] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 369.853734] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.858573] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.864141] ? fput+0x130/0x1a0 [ 369.867449] ? __bpf_prog_get+0x9b/0x290 [ 369.871530] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.876368] ? bpf_prog_test_run+0x130/0x1a0 [ 369.880777] ? __x64_sys_bpf+0x3db/0x520 [ 369.884836] ? bpf_prog_get+0x20/0x20 [ 369.888658] ? do_syscall_64+0x1b9/0x820 [ 369.892714] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.898079] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.903009] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.908050] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.913082] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 369.919745] ? __switch_to_asm+0x40/0x70 [ 369.923805] ? __switch_to_asm+0x34/0x70 [ 369.927910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.932759] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.938136] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 369.938219] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.945080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.945084] Call Trace: [ 369.945117] dump_stack+0x244/0x39d [ 369.945138] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.951700] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.961024] warn_alloc.cold.116+0xb7/0x1bd [ 369.963591] syz-executor2 cpuset=syz2 mems_allowed=0 [ 369.967248] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.997096] ? lock_downgrade+0x900/0x900 [ 370.001252] ? trace_hardirqs_off+0xb8/0x310 [ 370.005674] ? trace_hardirqs_off+0xb8/0x310 [ 370.010091] __alloc_pages_slowpath+0x26e8/0x2e10 [ 370.014965] ? warn_alloc+0x120/0x120 [ 370.018787] ? print_usage_bug+0xc0/0xc0 [ 370.022848] ? warn_alloc+0x120/0x120 [ 370.026655] ? warn_alloc+0x120/0x120 [ 370.030467] ? print_usage_bug+0xc0/0xc0 [ 370.034539] ? print_usage_bug+0xc0/0xc0 [ 370.038605] ? __lock_acquire+0x62f/0x4c20 [ 370.042876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.048412] ? should_fail+0x22d/0xd01 [ 370.052306] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.057426] ? __lock_acquire+0x62f/0x4c20 [ 370.061669] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.066770] ? __lock_acquire+0x62f/0x4c20 [ 370.071007] ? should_fail+0x22d/0xd01 [ 370.074894] ? find_held_lock+0x36/0x1c0 [ 370.078962] ? mark_held_locks+0x130/0x130 [ 370.083206] ? mark_held_locks+0x130/0x130 [ 370.087440] ? zap_class+0x640/0x640 [ 370.091164] ? zap_class+0x640/0x640 [ 370.094886] ? print_usage_bug+0xc0/0xc0 [ 370.098948] ? do_raw_spin_unlock+0xa7/0x330 [ 370.103356] ? zap_class+0x640/0x640 [ 370.107090] ? print_usage_bug+0xc0/0xc0 [ 370.111169] ? wq_watchdog_touch+0x9c/0xfe [ 370.115411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.120956] ? check_preemption_disabled+0x48/0x280 [ 370.125980] ? __lock_is_held+0xb5/0x140 [ 370.130063] __alloc_pages_nodemask+0xa80/0xde0 [ 370.134730] ? zap_class+0x640/0x640 [ 370.138459] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.143482] ? find_held_lock+0x36/0x1c0 [ 370.147562] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.152228] ? lock_downgrade+0x900/0x900 [ 370.156408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.161981] cache_grow_begin+0xa5/0x8c0 [ 370.166042] ? do_raw_spin_unlock+0xa7/0x330 [ 370.170458] fallback_alloc+0x204/0x2e0 [ 370.174434] ____cache_alloc_node+0x1c7/0x1e0 [ 370.178933] kmem_cache_alloc_node+0xe3/0x730 [ 370.183435] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.187683] __alloc_skb+0x119/0x770 [ 370.191395] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.196709] ? netdev_alloc_frag+0x1f0/0x1f0 [ 370.201120] ? lock_downgrade+0x900/0x900 [ 370.205293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.210983] ? refcount_sub_and_test_checked+0x203/0x310 [ 370.216432] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 370.221881] ? addrconf_rs_timer+0x690/0x690 [ 370.226297] ndisc_alloc_skb+0x144/0x340 [ 370.230363] ndisc_send_rs+0x331/0x6e0 [ 370.234259] addrconf_rs_timer+0x314/0x690 [ 370.238506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.242769] call_timer_fn+0x272/0x920 [ 370.246655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.250933] ? process_timeout+0x40/0x40 [ 370.255045] ? __run_timers+0x7da/0xc70 [ 370.259031] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.263521] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.268013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.272243] ? lockdep_hardirqs_on+0x296/0x5b0 [ 370.276824] ? trace_hardirqs_on+0xbd/0x310 [ 370.281158] ? kasan_check_read+0x11/0x20 [ 370.285320] ? __run_timers+0x7da/0xc70 [ 370.289309] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.294421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.298682] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.302928] __run_timers+0x7e5/0xc70 [ 370.306753] ? timer_fixup_init+0x70/0x70 [ 370.310903] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.315408] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.319920] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 370.324517] ? trace_hardirqs_on+0xbd/0x310 [ 370.328839] ? kasan_check_read+0x11/0x20 [ 370.332989] ? finish_task_switch+0x1f4/0x910 [ 370.337490] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.342596] ? compat_start_thread+0x80/0x80 [ 370.347028] ? pvclock_read_flags+0x160/0x160 [ 370.351521] ? __switch_to_asm+0x34/0x70 [ 370.355584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.361138] ? check_preemption_disabled+0x48/0x280 [ 370.366212] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 370.371747] ? rcu_pm_notify+0xc0/0xc0 [ 370.375633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.381183] ? check_preemption_disabled+0x48/0x280 [ 370.386223] run_timer_softirq+0x52/0xb0 [ 370.390283] ? rcu_read_lock_sched_held+0x14f/0x180 [ 370.395312] __do_softirq+0x308/0xb7e [ 370.399140] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 370.404269] ? smpboot_thread_fn+0x334/0xa00 [ 370.408705] ? schedule+0x108/0x460 [ 370.412343] ? trace_hardirqs_off+0xb8/0x310 [ 370.416752] ? smpboot_thread_fn+0x68b/0xa00 [ 370.421172] ? trace_hardirqs_on+0x310/0x310 [ 370.425584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.431124] ? check_preemption_disabled+0x48/0x280 [ 370.436162] ? takeover_tasklets+0xa90/0xa90 [ 370.440576] run_ksoftirqd+0x5e/0x100 [ 370.444375] smpboot_thread_fn+0x68b/0xa00 [ 370.448616] ? sort_range+0x30/0x30 [ 370.452241] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.457392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.462930] ? __kthread_parkme+0xfb/0x1a0 [ 370.467178] ? sort_range+0x30/0x30 [ 370.470809] kthread+0x35a/0x440 [ 370.474200] ? kthread_stop+0x900/0x900 [ 370.478195] ret_from_fork+0x3a/0x50 [ 370.481927] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 370.481932] warn_alloc_show_mem: 1 callbacks suppressed [ 370.481939] Mem-Info: [ 370.489289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.494651] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 370.494651] active_file:15 inactive_file:12 isolated_file:0 [ 370.494651] unevictable:0 dirty:0 writeback:0 unstable:0 [ 370.494651] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 370.494651] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 370.494651] free:13769 free_pcp:294 free_cma:0 [ 370.497019] Call Trace: [ 370.506424] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 370.539521] [ 370.542093] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 370.569931] dump_stack+0x244/0x39d [ 370.572058] lowmem_reserve[]: 0 2818 6321 6321 [ 370.598172] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.601769] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 370.606347] warn_alloc.cold.116+0xb7/0x1bd [ 370.611503] lowmem_reserve[]: 0 0 3503 3503 [ 370.638902] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.643203] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 370.647558] ? lock_downgrade+0x900/0x900 [ 370.652389] lowmem_reserve[]: 0 0 0 0 [ 370.681457] ? trace_hardirqs_off+0xb8/0x310 [ 370.685572] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 370.689374] ? trace_hardirqs_off+0xb8/0x310 [ 370.693754] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 370.707274] __alloc_pages_slowpath+0x26e8/0x2e10 [ 370.711666] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 370.727205] ? warn_alloc+0x120/0x120 [ 370.732011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 370.746732] ? print_usage_bug+0xc0/0xc0 [ 370.750514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 370.759330] ? warn_alloc+0x120/0x120 [ 370.763363] 12557 total pagecache pages [ 370.771927] ? warn_alloc+0x120/0x120 [ 370.775707] 0 pages in swap cache [ 370.779667] ? print_usage_bug+0xc0/0xc0 [ 370.783468] Swap cache stats: add 0, delete 0, find 0/0 [ 370.786925] ? print_usage_bug+0xc0/0xc0 [ 370.790961] Free swap = 0kB [ 370.796312] ? __lock_acquire+0x62f/0x4c20 [ 370.800346] Total swap = 0kB [ 370.803357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.807565] 1965979 pages RAM [ 370.810592] ? should_fail+0x22d/0xd01 [ 370.816101] 0 pages HighMem/MovableOnly [ 370.819245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.823103] 342853 pages reserved [ 370.827063] ? __lock_acquire+0x62f/0x4c20 [ 370.832139] 0 pages cma reserved [ 370.835596] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.839898] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.843167] ? __lock_acquire+0x62f/0x4c20 [ 370.843180] ? should_fail+0x22d/0xd01 [ 370.843196] ? find_held_lock+0x36/0x1c0 [ 370.848325] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.854760] ? mark_held_locks+0x130/0x130 [ 370.858964] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 370.862846] ? mark_held_locks+0x130/0x130 [ 370.890297] ? zap_class+0x640/0x640 [ 370.894010] ? zap_class+0x640/0x640 [ 370.897739] ? print_usage_bug+0xc0/0xc0 [ 370.901802] ? do_raw_spin_unlock+0xa7/0x330 [ 370.906213] ? zap_class+0x640/0x640 [ 370.909930] ? print_usage_bug+0xc0/0xc0 [ 370.913990] ? wq_watchdog_touch+0x9c/0xfe [ 370.918228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.923770] ? check_preemption_disabled+0x48/0x280 [ 370.928824] ? __lock_is_held+0xb5/0x140 [ 370.932908] __alloc_pages_nodemask+0xa80/0xde0 [ 370.937577] ? zap_class+0x640/0x640 [ 370.941298] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.946327] ? find_held_lock+0x36/0x1c0 [ 370.950401] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.955070] ? lock_downgrade+0x900/0x900 [ 370.959243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.964790] cache_grow_begin+0xa5/0x8c0 [ 370.968853] ? do_raw_spin_unlock+0xa7/0x330 [ 370.973304] fallback_alloc+0x204/0x2e0 [ 370.977291] ____cache_alloc_node+0x1c7/0x1e0 [ 370.981796] kmem_cache_alloc_node+0xe3/0x730 [ 370.986291] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.990555] __alloc_skb+0x119/0x770 [ 370.994270] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.999552] ? netdev_alloc_frag+0x1f0/0x1f0 [ 371.003964] ? lock_downgrade+0x900/0x900 [ 371.008123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.013701] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.019166] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.024633] ? addrconf_rs_timer+0x690/0x690 [ 371.029051] ndisc_alloc_skb+0x144/0x340 [ 371.033114] ndisc_send_rs+0x331/0x6e0 [ 371.037006] addrconf_rs_timer+0x314/0x690 [ 371.041242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.045482] call_timer_fn+0x272/0x920 [ 371.049394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.053644] ? process_timeout+0x40/0x40 [ 371.057727] ? __run_timers+0x7da/0xc70 [ 371.061703] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.066200] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.070695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.074953] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.079535] ? trace_hardirqs_on+0xbd/0x310 [ 371.083858] ? kasan_check_read+0x11/0x20 [ 371.088004] ? __run_timers+0x7da/0xc70 [ 371.091978] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.097091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.101342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.105577] __run_timers+0x7e5/0xc70 [ 371.109391] ? timer_fixup_init+0x70/0x70 [ 371.113542] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.118559] ? zap_class+0x640/0x640 [ 371.122283] ? enqueue_hrtimer+0x1a5/0x560 [ 371.126534] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.131730] ? find_held_lock+0x36/0x1c0 [ 371.135801] ? zap_class+0x640/0x640 [ 371.139520] ? pvclock_read_flags+0x160/0x160 [ 371.144019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.149615] ? check_preemption_disabled+0x48/0x280 [ 371.154655] ? __lock_is_held+0xb5/0x140 [ 371.158736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.164291] ? check_preemption_disabled+0x48/0x280 [ 371.169312] run_timer_softirq+0x52/0xb0 [ 371.173370] ? rcu_read_lock_sched_held+0x14f/0x180 [ 371.178391] __do_softirq+0x308/0xb7e [ 371.182196] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 371.186691] ? lock_downgrade+0x900/0x900 [ 371.190844] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 371.195954] ? pvclock_read_flags+0x160/0x160 [ 371.200451] ? lapic_next_event+0x5a/0x90 [ 371.204601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.210146] ? kvm_clock_read+0x18/0x30 [ 371.214606] ? kvm_sched_clock_read+0x9/0x20 [ 371.219015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.224554] ? check_preemption_disabled+0x48/0x280 [ 371.229580] irq_exit+0x17f/0x1c0 [ 371.233039] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.237883] ? smp_reschedule_interrupt+0x109/0x650 [ 371.242959] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.248843] ? interrupt_entry+0xb5/0xc0 [ 371.252909] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.257927] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.262944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.267785] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.272803] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.277822] ? task_prio+0x50/0x50 [ 371.281366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.286910] ? check_preemption_disabled+0x48/0x280 [ 371.291932] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.296788] apic_timer_interrupt+0xf/0x20 [ 371.301016] [ 371.303261] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 371.309148] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 371.328060] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 371.335769] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 371.343038] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 371.350482] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 371.357772] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 371.365037] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 371.372338] ? save_stack+0xa9/0xd0 [ 371.375979] __kmalloc_node_track_caller+0x3c/0x70 [ 371.380914] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 371.385680] pskb_expand_head+0x230/0x10f0 [ 371.389945] ? check_preemption_disabled+0x48/0x280 [ 371.394979] ? memcpy+0x45/0x50 [ 371.398262] ? __copy_skb_header+0x350/0x6b0 [ 371.402674] ? skb_release_data+0x880/0x880 [ 371.406994] ? __alloc_skb+0x770/0x770 [ 371.410893] ? __lock_is_held+0xb5/0x140 [ 371.414966] ? kasan_check_write+0x14/0x20 [ 371.419200] ? __skb_clone+0x6c7/0xa00 [ 371.423092] ? __copy_skb_header+0x6b0/0x6b0 [ 371.427501] ? kmem_cache_alloc+0x33a/0x730 [ 371.431827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.437371] skb_ensure_writable+0x3dd/0x640 [ 371.441785] ? skb_checksum_setup+0xaa0/0xaa0 [ 371.446300] ? preempt_notifier_register+0x200/0x200 [ 371.451407] ? __switch_to_asm+0x34/0x70 [ 371.455469] ? __switch_to_asm+0x34/0x70 [ 371.459529] ? __switch_to_asm+0x40/0x70 [ 371.463590] ? __switch_to_asm+0x34/0x70 [ 371.467645] ? __switch_to_asm+0x40/0x70 [ 371.471705] ? __switch_to_asm+0x40/0x70 [ 371.475765] ? __switch_to_asm+0x34/0x70 [ 371.479829] ? __switch_to_asm+0x34/0x70 [ 371.483887] ? __switch_to_asm+0x40/0x70 [ 371.487948] ? __switch_to_asm+0x34/0x70 [ 371.492010] bpf_clone_redirect+0x14a/0x490 [ 371.496344] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 371.501367] ? __sched_text_start+0x8/0x8 [ 371.505519] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 371.510288] ? find_held_lock+0x36/0x1c0 [ 371.514358] ? lock_acquire+0x1ed/0x520 [ 371.518339] ? bpf_test_run+0x3cb/0x780 [ 371.522317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.527853] ? check_preemption_disabled+0x48/0x280 [ 371.532873] ? kasan_check_read+0x11/0x20 [ 371.537035] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.542314] ? rcu_softirq_qs+0x20/0x20 [ 371.546290] ? preempt_schedule+0x4d/0x60 [ 371.550437] ? ___preempt_schedule+0x16/0x18 [ 371.554870] ? bpf_test_run+0x25d/0x780 [ 371.558870] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.563280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.568816] ? bpf_test_init.isra.10+0x70/0x100 [ 371.573504] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 371.578269] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.583113] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.588648] ? fput+0x130/0x1a0 [ 371.591929] ? __bpf_prog_get+0x9b/0x290 [ 371.595992] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.600834] ? bpf_prog_test_run+0x130/0x1a0 [ 371.605245] ? __x64_sys_bpf+0x3db/0x520 [ 371.609304] ? bpf_prog_get+0x20/0x20 [ 371.613127] ? do_syscall_64+0x1b9/0x820 [ 371.617200] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.622565] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.627501] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.632514] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.637531] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 371.644194] ? __switch_to_asm+0x40/0x70 [ 371.648287] ? __switch_to_asm+0x34/0x70 [ 371.652353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.657216] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.662598] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 371.662697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.669561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.669569] Call Trace: [ 371.676130] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.685443] dump_stack+0x244/0x39d [ 371.687995] syz-executor2 cpuset=syz2 mems_allowed=0 [ 371.698477] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.712354] warn_alloc.cold.116+0xb7/0x1bd [ 371.716701] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.721550] ? lock_downgrade+0x900/0x900 [ 371.725704] ? trace_hardirqs_off+0xb8/0x310 [ 371.730133] ? trace_hardirqs_off+0xb8/0x310 [ 371.734557] __alloc_pages_slowpath+0x26e8/0x2e10 [ 371.739426] ? warn_alloc+0x120/0x120 [ 371.743228] ? print_usage_bug+0xc0/0xc0 [ 371.747286] ? warn_alloc+0x120/0x120 [ 371.751103] ? warn_alloc+0x120/0x120 [ 371.754913] ? print_usage_bug+0xc0/0xc0 [ 371.758979] ? print_usage_bug+0xc0/0xc0 [ 371.763041] ? __lock_acquire+0x62f/0x4c20 [ 371.767289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.772827] ? should_fail+0x22d/0xd01 [ 371.776720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.781838] ? __lock_acquire+0x62f/0x4c20 [ 371.786095] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.791196] ? __lock_acquire+0x62f/0x4c20 [ 371.795426] ? should_fail+0x22d/0xd01 [ 371.799309] ? find_held_lock+0x36/0x1c0 [ 371.803378] ? mark_held_locks+0x130/0x130 [ 371.807615] ? mark_held_locks+0x130/0x130 [ 371.811847] ? zap_class+0x640/0x640 [ 371.815572] ? zap_class+0x640/0x640 [ 371.819299] ? print_usage_bug+0xc0/0xc0 [ 371.823354] ? do_raw_spin_unlock+0xa7/0x330 [ 371.827762] ? zap_class+0x640/0x640 [ 371.831488] ? print_usage_bug+0xc0/0xc0 [ 371.835563] ? wq_watchdog_touch+0x9c/0xfe [ 371.839811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.845356] ? check_preemption_disabled+0x48/0x280 [ 371.850413] ? __lock_is_held+0xb5/0x140 [ 371.854478] __alloc_pages_nodemask+0xa80/0xde0 [ 371.859144] ? zap_class+0x640/0x640 [ 371.862907] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 371.867950] ? find_held_lock+0x36/0x1c0 [ 371.872024] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.876711] ? lock_downgrade+0x900/0x900 [ 371.880868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.886414] cache_grow_begin+0xa5/0x8c0 [ 371.890473] ? do_raw_spin_unlock+0xa7/0x330 [ 371.894886] fallback_alloc+0x204/0x2e0 [ 371.898869] ____cache_alloc_node+0x1c7/0x1e0 [ 371.903385] kmem_cache_alloc_node+0xe3/0x730 [ 371.907881] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.912129] __alloc_skb+0x119/0x770 [ 371.915852] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.921137] ? netdev_alloc_frag+0x1f0/0x1f0 [ 371.925554] ? lock_downgrade+0x900/0x900 [ 371.929713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.935249] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.940706] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.946162] ? addrconf_rs_timer+0x690/0x690 [ 371.950588] ndisc_alloc_skb+0x144/0x340 [ 371.954657] ndisc_send_rs+0x331/0x6e0 [ 371.958575] addrconf_rs_timer+0x314/0x690 [ 371.962818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.967063] call_timer_fn+0x272/0x920 [ 371.970949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.975190] ? process_timeout+0x40/0x40 [ 371.979263] ? __run_timers+0x7da/0xc70 [ 371.983240] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.987732] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.992227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.996468] ? lockdep_hardirqs_on+0x296/0x5b0 [ 372.001068] ? trace_hardirqs_on+0xbd/0x310 [ 372.005390] ? kasan_check_read+0x11/0x20 [ 372.009536] ? __run_timers+0x7da/0xc70 [ 372.013510] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.018616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.022857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.027104] __run_timers+0x7e5/0xc70 [ 372.030913] ? timer_fixup_init+0x70/0x70 [ 372.035060] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.039565] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.044058] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.048639] ? trace_hardirqs_on+0xbd/0x310 [ 372.052976] ? kasan_check_read+0x11/0x20 [ 372.057121] ? finish_task_switch+0x1f4/0x910 [ 372.061626] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.066728] ? compat_start_thread+0x80/0x80 [ 372.071169] ? pvclock_read_flags+0x160/0x160 [ 372.075671] ? __switch_to_asm+0x34/0x70 [ 372.079750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.085287] ? check_preemption_disabled+0x48/0x280 [ 372.090317] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 372.095861] ? rcu_pm_notify+0xc0/0xc0 [ 372.099754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.105299] ? check_preemption_disabled+0x48/0x280 [ 372.110326] run_timer_softirq+0x52/0xb0 [ 372.114388] ? rcu_read_lock_sched_held+0x14f/0x180 [ 372.119406] __do_softirq+0x308/0xb7e [ 372.123217] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 372.128327] ? smpboot_thread_fn+0x334/0xa00 [ 372.132741] ? schedule+0x108/0x460 [ 372.136409] ? trace_hardirqs_off+0xb8/0x310 [ 372.140826] ? smpboot_thread_fn+0x68b/0xa00 [ 372.145236] ? trace_hardirqs_on+0x310/0x310 [ 372.149681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.155222] ? check_preemption_disabled+0x48/0x280 [ 372.160239] ? takeover_tasklets+0xa90/0xa90 [ 372.164687] run_ksoftirqd+0x5e/0x100 [ 372.168491] smpboot_thread_fn+0x68b/0xa00 [ 372.172730] ? sort_range+0x30/0x30 [ 372.176357] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.181461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.186998] ? __kthread_parkme+0xfb/0x1a0 [ 372.191233] ? sort_range+0x30/0x30 [ 372.194862] kthread+0x35a/0x440 [ 372.198231] ? kthread_stop+0x900/0x900 [ 372.202205] ret_from_fork+0x3a/0x50 [ 372.205953] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 372.205959] warn_alloc_show_mem: 1 callbacks suppressed [ 372.205966] Mem-Info: [ 372.213811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.219197] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 372.219197] active_file:15 inactive_file:12 isolated_file:0 [ 372.219197] unevictable:0 dirty:0 writeback:0 unstable:0 [ 372.219197] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 372.219197] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 372.219197] free:13769 free_pcp:294 free_cma:0 [ 372.221583] Call Trace: [ 372.231000] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 372.264101] [ 372.266667] 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 [ 372.294505] dump_stack+0x244/0x39d [ 372.296628] lowmem_reserve[]: 0 2818 6321 6321 [ 372.322754] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.326356] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 372.330938] warn_alloc.cold.116+0xb7/0x1bd [ 372.336091] lowmem_reserve[]: 0 0 3503 3503 [ 372.363498] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 372.367792] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 372.372116] ? lock_downgrade+0x900/0x900 [ 372.376930] lowmem_reserve[]: 0 0 0 0 [ 372.405983] ? trace_hardirqs_off+0xb8/0x310 [ 372.410114] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 372.413909] ? trace_hardirqs_off+0xb8/0x310 [ 372.418290] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 372.431805] __alloc_pages_slowpath+0x26e8/0x2e10 [ 372.436190] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 372.451728] ? warn_alloc+0x120/0x120 [ 372.456530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 372.471255] ? print_usage_bug+0xc0/0xc0 [ 372.475036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 372.483853] ? warn_alloc+0x120/0x120 [ 372.487901] 12557 total pagecache pages [ 372.496466] ? warn_alloc+0x120/0x120 [ 372.500262] 0 pages in swap cache [ 372.504224] ? print_usage_bug+0xc0/0xc0 [ 372.508004] Swap cache stats: add 0, delete 0, find 0/0 [ 372.511444] ? kvm_clock_read+0x18/0x30 [ 372.515481] Free swap = 0kB [ 372.520836] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 372.524791] Total swap = 0kB [ 372.527799] ? print_usage_bug+0xc0/0xc0 [ 372.532825] 1965979 pages RAM [ 372.535844] ? __lock_acquire+0x62f/0x4c20 [ 372.539882] 0 pages HighMem/MovableOnly [ 372.542979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.547187] 342853 pages reserved [ 372.551160] ? should_fail+0x22d/0xd01 [ 372.556701] 0 pages cma reserved [ 372.560145] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.564113] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 372.567453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.572813] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.579197] ? __lock_acquire+0x62f/0x4c20 [ 372.584274] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 372.594576] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.608525] ? __lock_acquire+0x62f/0x4c20 [ 372.612772] ? should_fail+0x22d/0xd01 [ 372.616656] ? rcu_irq_exit+0x1a2/0x390 [ 372.620641] ? mark_held_locks+0x130/0x130 [ 372.624883] ? mark_held_locks+0x130/0x130 [ 372.629121] ? mark_held_locks+0xc7/0x130 [ 372.633277] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 372.638341] ? zap_class+0x640/0x640 [ 372.642069] ? print_usage_bug+0xc0/0xc0 [ 372.646210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.651764] ? check_preemption_disabled+0x48/0x280 [ 372.656791] ? __lock_is_held+0xb5/0x140 [ 372.660903] __alloc_pages_nodemask+0xa80/0xde0 [ 372.665574] ? zap_class+0x640/0x640 [ 372.669295] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 372.674327] ? find_held_lock+0x36/0x1c0 [ 372.678401] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.683073] ? lock_downgrade+0x900/0x900 [ 372.687246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.692786] cache_grow_begin+0xa5/0x8c0 [ 372.696842] ? do_raw_spin_unlock+0xa7/0x330 [ 372.701258] fallback_alloc+0x204/0x2e0 [ 372.705237] ____cache_alloc_node+0x1c7/0x1e0 [ 372.709733] kmem_cache_alloc_node+0xe3/0x730 [ 372.714227] ? ipv6_get_ifaddr+0x42e/0x620 [ 372.718487] __alloc_skb+0x119/0x770 [ 372.722218] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.727496] ? netdev_alloc_frag+0x1f0/0x1f0 [ 372.731902] ? lock_downgrade+0x900/0x900 [ 372.736060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.741596] ? refcount_sub_and_test_checked+0x203/0x310 [ 372.747049] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.752499] ? addrconf_rs_timer+0x690/0x690 [ 372.756920] ndisc_alloc_skb+0x144/0x340 [ 372.760982] ndisc_send_rs+0x331/0x6e0 [ 372.764902] addrconf_rs_timer+0x314/0x690 [ 372.769146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.773434] call_timer_fn+0x272/0x920 [ 372.777336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.781570] ? process_timeout+0x40/0x40 [ 372.785638] ? __run_timers+0x7da/0xc70 [ 372.789628] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.794136] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.798639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.802883] ? lockdep_hardirqs_on+0x296/0x5b0 [ 372.807464] ? trace_hardirqs_on+0xbd/0x310 [ 372.811784] ? kasan_check_read+0x11/0x20 [ 372.815933] ? __run_timers+0x7da/0xc70 [ 372.819910] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.825016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.829256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.833488] __run_timers+0x7e5/0xc70 [ 372.837298] ? timer_fixup_init+0x70/0x70 [ 372.841446] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 372.846464] ? zap_class+0x640/0x640 [ 372.850199] ? enqueue_hrtimer+0x1a5/0x560 [ 372.854439] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 372.859634] ? find_held_lock+0x36/0x1c0 [ 372.863700] ? zap_class+0x640/0x640 [ 372.867416] ? pvclock_read_flags+0x160/0x160 [ 372.871953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.877492] ? check_preemption_disabled+0x48/0x280 [ 372.882519] ? __lock_is_held+0xb5/0x140 [ 372.886580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.892120] ? check_preemption_disabled+0x48/0x280 [ 372.897144] run_timer_softirq+0x52/0xb0 [ 372.901216] ? rcu_read_lock_sched_held+0x14f/0x180 [ 372.906232] __do_softirq+0x308/0xb7e [ 372.910039] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 372.914533] ? lock_downgrade+0x900/0x900 [ 372.918700] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 372.923823] ? pvclock_read_flags+0x160/0x160 [ 372.928322] ? lapic_next_event+0x5a/0x90 [ 372.932475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.938017] ? kvm_clock_read+0x18/0x30 [ 372.941995] ? kvm_sched_clock_read+0x9/0x20 [ 372.946405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.951947] ? check_preemption_disabled+0x48/0x280 [ 372.956972] irq_exit+0x17f/0x1c0 [ 372.960440] smp_apic_timer_interrupt+0x1cb/0x760 [ 372.965280] ? smp_reschedule_interrupt+0x109/0x650 [ 372.970299] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.976193] ? interrupt_entry+0xb5/0xc0 [ 372.980272] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.985303] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.990323] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.995204] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.000223] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.005236] ? task_prio+0x50/0x50 [ 373.008805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.014340] ? check_preemption_disabled+0x48/0x280 [ 373.019359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.024214] apic_timer_interrupt+0xf/0x20 [ 373.028447] [ 373.030687] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 373.036571] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 373.055464] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 373.063175] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 373.070439] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 373.077701] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 373.084960] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 373.092226] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 373.099547] ? save_stack+0xa9/0xd0 [ 373.103196] __kmalloc_node_track_caller+0x3c/0x70 [ 373.108130] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 373.112914] pskb_expand_head+0x230/0x10f0 [ 373.117145] ? check_preemption_disabled+0x48/0x280 [ 373.122201] ? memcpy+0x45/0x50 [ 373.125484] ? __copy_skb_header+0x350/0x6b0 [ 373.129895] ? skb_release_data+0x880/0x880 [ 373.134233] ? __alloc_skb+0x770/0x770 [ 373.138132] ? __lock_is_held+0xb5/0x140 [ 373.142220] ? kasan_check_write+0x14/0x20 [ 373.146451] ? __skb_clone+0x6c7/0xa00 [ 373.150339] ? __copy_skb_header+0x6b0/0x6b0 [ 373.154748] ? kmem_cache_alloc+0x33a/0x730 [ 373.159072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.164614] skb_ensure_writable+0x3dd/0x640 [ 373.169027] ? skb_checksum_setup+0xaa0/0xaa0 [ 373.173530] ? preempt_notifier_register+0x200/0x200 [ 373.178630] ? __switch_to_asm+0x34/0x70 [ 373.182683] ? __switch_to_asm+0x34/0x70 [ 373.186754] ? __switch_to_asm+0x40/0x70 [ 373.190821] ? __switch_to_asm+0x34/0x70 [ 373.194876] ? __switch_to_asm+0x40/0x70 [ 373.198930] ? __switch_to_asm+0x40/0x70 [ 373.203002] ? __switch_to_asm+0x34/0x70 [ 373.207081] ? __switch_to_asm+0x34/0x70 [ 373.211137] ? __switch_to_asm+0x40/0x70 [ 373.215204] ? __switch_to_asm+0x34/0x70 [ 373.219271] bpf_clone_redirect+0x14a/0x490 [ 373.223596] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 373.228630] ? __sched_text_start+0x8/0x8 [ 373.232776] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 373.237557] ? find_held_lock+0x36/0x1c0 [ 373.241628] ? lock_acquire+0x1ed/0x520 [ 373.245603] ? bpf_test_run+0x3cb/0x780 [ 373.249589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.255124] ? check_preemption_disabled+0x48/0x280 [ 373.260198] ? kasan_check_read+0x11/0x20 [ 373.264347] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.269623] ? rcu_softirq_qs+0x20/0x20 [ 373.273599] ? preempt_schedule+0x4d/0x60 [ 373.277749] ? ___preempt_schedule+0x16/0x18 [ 373.282192] ? bpf_test_run+0x25d/0x780 [ 373.286189] ? netlink_diag_dump+0x2a0/0x2a0 [ 373.290614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.296178] ? bpf_test_init.isra.10+0x70/0x100 [ 373.300872] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 373.305638] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 373.310485] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 373.316024] ? fput+0x130/0x1a0 [ 373.319307] ? __bpf_prog_get+0x9b/0x290 [ 373.323387] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 373.328262] ? bpf_prog_test_run+0x130/0x1a0 [ 373.332688] ? __x64_sys_bpf+0x3db/0x520 [ 373.336762] ? bpf_prog_get+0x20/0x20 [ 373.340598] ? do_syscall_64+0x1b9/0x820 [ 373.344835] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 373.350202] ? syscall_return_slowpath+0x5e0/0x5e0 [ 373.355136] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.360188] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 373.365241] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 373.371903] ? __switch_to_asm+0x40/0x70 [ 373.375963] ? __switch_to_asm+0x34/0x70 [ 373.380029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.384878] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.390258] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 373.390324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.397182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.397187] Call Trace: [ 373.397204] dump_stack+0x244/0x39d [ 373.397223] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.397247] warn_alloc.cold.116+0xb7/0x1bd [ 373.403832] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.413091] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.415652] syz-executor2 cpuset=syz2 mems_allowed=0 [ 373.419275] ? lock_downgrade+0x900/0x900 [ 373.453273] ? trace_hardirqs_off+0xb8/0x310 [ 373.457691] ? trace_hardirqs_off+0xb8/0x310 [ 373.462123] __alloc_pages_slowpath+0x26e8/0x2e10 [ 373.467004] ? warn_alloc+0x120/0x120 [ 373.470808] ? print_usage_bug+0xc0/0xc0 [ 373.474870] ? warn_alloc+0x120/0x120 [ 373.478713] ? warn_alloc+0x120/0x120 [ 373.482548] ? print_usage_bug+0xc0/0xc0 [ 373.486626] ? print_usage_bug+0xc0/0xc0 [ 373.490694] ? __lock_acquire+0x62f/0x4c20 [ 373.494936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.500471] ? should_fail+0x22d/0xd01 [ 373.504381] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.509483] ? __lock_acquire+0x62f/0x4c20 [ 373.513722] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.518824] ? __lock_acquire+0x62f/0x4c20 [ 373.523059] ? should_fail+0x22d/0xd01 [ 373.526944] ? find_held_lock+0x36/0x1c0 [ 373.531014] ? mark_held_locks+0x130/0x130 [ 373.535252] ? mark_held_locks+0x130/0x130 [ 373.539486] ? zap_class+0x640/0x640 [ 373.543215] ? mark_held_locks+0xc7/0x130 [ 373.547358] ? do_raw_spin_unlock+0xa7/0x330 [ 373.551775] ? zap_class+0x640/0x640 [ 373.555485] ? print_usage_bug+0xc0/0xc0 [ 373.559545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.565079] ? check_preemption_disabled+0x48/0x280 [ 373.570101] ? __lock_is_held+0xb5/0x140 [ 373.574174] __alloc_pages_nodemask+0xa80/0xde0 [ 373.578858] ? zap_class+0x640/0x640 [ 373.582578] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 373.587607] ? find_held_lock+0x36/0x1c0 [ 373.591699] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.596374] ? lock_downgrade+0x900/0x900 [ 373.600532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.606088] cache_grow_begin+0xa5/0x8c0 [ 373.610145] ? do_raw_spin_unlock+0xa7/0x330 [ 373.614572] fallback_alloc+0x204/0x2e0 [ 373.618571] ____cache_alloc_node+0x1c7/0x1e0 [ 373.623069] kmem_cache_alloc_node+0xe3/0x730 [ 373.627563] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.631802] __alloc_skb+0x119/0x770 [ 373.635509] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.640798] ? netdev_alloc_frag+0x1f0/0x1f0 [ 373.645221] ? lock_downgrade+0x900/0x900 [ 373.649386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.654918] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.660406] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.665868] ? addrconf_rs_timer+0x690/0x690 [ 373.670301] ndisc_alloc_skb+0x144/0x340 [ 373.674382] ndisc_send_rs+0x331/0x6e0 [ 373.678271] addrconf_rs_timer+0x314/0x690 [ 373.682527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.686798] call_timer_fn+0x272/0x920 [ 373.690689] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.694953] ? process_timeout+0x40/0x40 [ 373.699019] ? __run_timers+0x7da/0xc70 [ 373.702991] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.707482] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.711972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.716207] ? lockdep_hardirqs_on+0x296/0x5b0 [ 373.720791] ? trace_hardirqs_on+0xbd/0x310 [ 373.725119] ? kasan_check_read+0x11/0x20 [ 373.729271] ? __run_timers+0x7da/0xc70 [ 373.733247] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.738355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.742614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.746846] __run_timers+0x7e5/0xc70 [ 373.750661] ? timer_fixup_init+0x70/0x70 [ 373.754826] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.759328] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.763842] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 373.768433] ? trace_hardirqs_on+0xbd/0x310 [ 373.772770] ? kasan_check_read+0x11/0x20 [ 373.776945] ? finish_task_switch+0x1f4/0x910 [ 373.781445] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.786552] ? compat_start_thread+0x80/0x80 [ 373.790981] ? pvclock_read_flags+0x160/0x160 [ 373.795473] ? __switch_to_asm+0x34/0x70 [ 373.799541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.805083] ? check_preemption_disabled+0x48/0x280 [ 373.810109] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 373.815650] ? rcu_pm_notify+0xc0/0xc0 [ 373.819543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.825095] ? check_preemption_disabled+0x48/0x280 [ 373.830143] run_timer_softirq+0x52/0xb0 [ 373.834233] ? rcu_read_lock_sched_held+0x14f/0x180 [ 373.839254] __do_softirq+0x308/0xb7e [ 373.843066] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 373.848178] ? smpboot_thread_fn+0x334/0xa00 [ 373.852594] ? schedule+0x108/0x460 [ 373.856236] ? trace_hardirqs_off+0xb8/0x310 [ 373.860649] ? smpboot_thread_fn+0x68b/0xa00 [ 373.865061] ? trace_hardirqs_on+0x310/0x310 [ 373.869478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.875016] ? check_preemption_disabled+0x48/0x280 [ 373.880040] ? takeover_tasklets+0xa90/0xa90 [ 373.884452] run_ksoftirqd+0x5e/0x100 [ 373.888258] smpboot_thread_fn+0x68b/0xa00 [ 373.892499] ? sort_range+0x30/0x30 [ 373.896128] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 373.901242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.906782] ? __kthread_parkme+0xfb/0x1a0 [ 373.911020] ? sort_range+0x30/0x30 [ 373.914659] kthread+0x35a/0x440 [ 373.918064] ? kthread_stop+0x900/0x900 [ 373.922038] ret_from_fork+0x3a/0x50 [ 373.925788] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 373.925793] warn_alloc_show_mem: 1 callbacks suppressed [ 373.925800] Mem-Info: [ 373.933167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.938588] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 373.938588] active_file:15 inactive_file:12 isolated_file:0 [ 373.938588] unevictable:0 dirty:0 writeback:0 unstable:0 [ 373.938588] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 373.938588] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 373.938588] free:13769 free_pcp:294 free_cma:0 [ 373.940956] Call Trace: [ 373.950338] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 373.983440] [ 373.986006] 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 [ 374.013858] dump_stack+0x244/0x39d [ 374.015983] lowmem_reserve[]: 0 2818 6321 6321 [ 374.042086] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.045724] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 374.050333] warn_alloc.cold.116+0xb7/0x1bd [ 374.055486] lowmem_reserve[]: 0 0 3503 3503 [ 374.082901] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.087200] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 374.091516] ? lock_downgrade+0x900/0x900 [ 374.096334] lowmem_reserve[]: 0 0 0 0 [ 374.125404] ? trace_hardirqs_off+0xb8/0x310 [ 374.129521] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 374.133314] ? trace_hardirqs_off+0xb8/0x310 [ 374.137711] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 374.151242] __alloc_pages_slowpath+0x26e8/0x2e10 [ 374.155636] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 374.171193] ? warn_alloc+0x120/0x120 [ 374.176009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 374.190744] ? print_usage_bug+0xc0/0xc0 [ 374.194538] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 374.203357] ? warn_alloc+0x120/0x120 [ 374.207399] 12557 total pagecache pages [ 374.216453] ? warn_alloc+0x120/0x120 [ 374.220283] 0 pages in swap cache [ 374.224246] ? print_usage_bug+0xc0/0xc0 [ 374.228024] Swap cache stats: add 0, delete 0, find 0/0 [ 374.231468] ? kvm_clock_read+0x18/0x30 [ 374.235505] Free swap = 0kB [ 374.240871] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 374.244818] Total swap = 0kB [ 374.247823] ? print_usage_bug+0xc0/0xc0 [ 374.252810] 1965979 pages RAM [ 374.255850] ? __lock_acquire+0x62f/0x4c20 [ 374.259885] 0 pages HighMem/MovableOnly [ 374.262998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.267232] 342853 pages reserved [ 374.271202] ? should_fail+0x22d/0xd01 [ 374.276712] 0 pages cma reserved [ 374.280179] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.284165] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.287393] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.292743] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.299146] ? __lock_acquire+0x62f/0x4c20 [ 374.304235] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 374.314540] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.328485] ? __lock_acquire+0x62f/0x4c20 [ 374.332720] ? should_fail+0x22d/0xd01 [ 374.337564] ? rcu_irq_exit+0x1a2/0x390 [ 374.341551] ? mark_held_locks+0x130/0x130 [ 374.345791] ? mark_held_locks+0x130/0x130 [ 374.350035] ? mark_held_locks+0xc7/0x130 [ 374.354219] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 374.359236] ? zap_class+0x640/0x640 [ 374.362950] ? print_usage_bug+0xc0/0xc0 [ 374.367014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.372563] ? check_preemption_disabled+0x48/0x280 [ 374.377590] ? __lock_is_held+0xb5/0x140 [ 374.381651] __alloc_pages_nodemask+0xa80/0xde0 [ 374.386334] ? zap_class+0x640/0x640 [ 374.390048] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 374.395072] ? find_held_lock+0x36/0x1c0 [ 374.399140] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.403821] ? lock_downgrade+0x900/0x900 [ 374.407974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.413513] cache_grow_begin+0xa5/0x8c0 [ 374.417573] ? do_raw_spin_unlock+0xa7/0x330 [ 374.421987] fallback_alloc+0x204/0x2e0 [ 374.425979] ____cache_alloc_node+0x1c7/0x1e0 [ 374.430496] kmem_cache_alloc_node+0xe3/0x730 [ 374.435004] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.439247] __alloc_skb+0x119/0x770 [ 374.442953] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.448234] ? netdev_alloc_frag+0x1f0/0x1f0 [ 374.452637] ? lock_downgrade+0x900/0x900 [ 374.456834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.462365] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.467830] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.473275] ? addrconf_rs_timer+0x690/0x690 [ 374.477692] ndisc_alloc_skb+0x144/0x340 [ 374.481766] ndisc_send_rs+0x331/0x6e0 [ 374.485650] addrconf_rs_timer+0x314/0x690 [ 374.489915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.494159] call_timer_fn+0x272/0x920 [ 374.498056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.502284] ? process_timeout+0x40/0x40 [ 374.506367] ? __run_timers+0x7da/0xc70 [ 374.510358] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.514853] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.519349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.523593] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.528182] ? trace_hardirqs_on+0xbd/0x310 [ 374.532530] ? kasan_check_read+0x11/0x20 [ 374.536703] ? __run_timers+0x7da/0xc70 [ 374.540679] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.545787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.550023] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.554253] __run_timers+0x7e5/0xc70 [ 374.558059] ? timer_fixup_init+0x70/0x70 [ 374.562206] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.567237] ? zap_class+0x640/0x640 [ 374.570999] ? enqueue_hrtimer+0x1a5/0x560 [ 374.575234] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.580460] ? find_held_lock+0x36/0x1c0 [ 374.584525] ? zap_class+0x640/0x640 [ 374.588240] ? pvclock_read_flags+0x160/0x160 [ 374.592769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.598322] ? check_preemption_disabled+0x48/0x280 [ 374.603343] ? __lock_is_held+0xb5/0x140 [ 374.607408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.612947] ? check_preemption_disabled+0x48/0x280 [ 374.617968] run_timer_softirq+0x52/0xb0 [ 374.622031] ? rcu_read_lock_sched_held+0x14f/0x180 [ 374.627061] __do_softirq+0x308/0xb7e [ 374.630866] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 374.635360] ? lock_downgrade+0x900/0x900 [ 374.639514] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 374.644655] ? pvclock_read_flags+0x160/0x160 [ 374.649192] ? lapic_next_event+0x5a/0x90 [ 374.653343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.658889] ? kvm_clock_read+0x18/0x30 [ 374.662864] ? kvm_sched_clock_read+0x9/0x20 [ 374.667274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.672814] ? check_preemption_disabled+0x48/0x280 [ 374.677841] irq_exit+0x17f/0x1c0 [ 374.681296] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.686137] ? smp_reschedule_interrupt+0x109/0x650 [ 374.691188] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.697094] ? interrupt_entry+0xb5/0xc0 [ 374.701171] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.706204] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.711221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.716068] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.721085] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.726102] ? task_prio+0x50/0x50 [ 374.729649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.735194] ? check_preemption_disabled+0x48/0x280 [ 374.740216] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.745065] apic_timer_interrupt+0xf/0x20 [ 374.749293] [ 374.751532] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 374.757413] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 374.776309] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 374.784012] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 374.791274] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 374.798566] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 374.805830] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 374.813098] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 374.820393] ? save_stack+0xa9/0xd0 [ 374.824033] __kmalloc_node_track_caller+0x3c/0x70 [ 374.828965] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 374.833726] pskb_expand_head+0x230/0x10f0 [ 374.837961] ? check_preemption_disabled+0x48/0x280 [ 374.842978] ? memcpy+0x45/0x50 [ 374.846261] ? __copy_skb_header+0x350/0x6b0 [ 374.850674] ? skb_release_data+0x880/0x880 [ 374.854994] ? __alloc_skb+0x770/0x770 [ 374.858886] ? __lock_is_held+0xb5/0x140 [ 374.862954] ? kasan_check_write+0x14/0x20 [ 374.867190] ? __skb_clone+0x6c7/0xa00 [ 374.871084] ? __copy_skb_header+0x6b0/0x6b0 [ 374.875491] ? kmem_cache_alloc+0x33a/0x730 [ 374.879817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.885366] skb_ensure_writable+0x3dd/0x640 [ 374.889779] ? skb_checksum_setup+0xaa0/0xaa0 [ 374.894292] ? preempt_notifier_register+0x200/0x200 [ 374.899393] ? __switch_to_asm+0x34/0x70 [ 374.903453] ? __switch_to_asm+0x34/0x70 [ 374.907526] ? __switch_to_asm+0x40/0x70 [ 374.911600] ? __switch_to_asm+0x34/0x70 [ 374.915660] ? __switch_to_asm+0x40/0x70 [ 374.919718] ? __switch_to_asm+0x40/0x70 [ 374.923776] ? __switch_to_asm+0x34/0x70 [ 374.927837] ? __switch_to_asm+0x34/0x70 [ 374.931900] ? __switch_to_asm+0x40/0x70 [ 374.935975] ? __switch_to_asm+0x34/0x70 [ 374.940041] bpf_clone_redirect+0x14a/0x490 [ 374.944371] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 374.949390] ? __sched_text_start+0x8/0x8 [ 374.953536] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 374.958302] ? find_held_lock+0x36/0x1c0 [ 374.962387] ? lock_acquire+0x1ed/0x520 [ 374.966364] ? bpf_test_run+0x3cb/0x780 [ 374.970351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.975889] ? check_preemption_disabled+0x48/0x280 [ 374.980913] ? kasan_check_read+0x11/0x20 [ 374.985062] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.990340] ? rcu_softirq_qs+0x20/0x20 [ 374.994311] ? preempt_schedule+0x4d/0x60 [ 374.998457] ? ___preempt_schedule+0x16/0x18 [ 375.002870] ? bpf_test_run+0x25d/0x780 [ 375.006849] ? netlink_diag_dump+0x2a0/0x2a0 [ 375.011290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.016834] ? bpf_test_init.isra.10+0x70/0x100 [ 375.021506] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 375.026269] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 375.031111] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.036648] ? fput+0x130/0x1a0 [ 375.039929] ? __bpf_prog_get+0x9b/0x290 [ 375.043994] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 375.048830] ? bpf_prog_test_run+0x130/0x1a0 [ 375.053241] ? __x64_sys_bpf+0x3db/0x520 [ 375.057317] ? bpf_prog_get+0x20/0x20 [ 375.061137] ? do_syscall_64+0x1b9/0x820 [ 375.065212] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 375.070588] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.075518] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.080538] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 375.085572] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 375.092238] ? __switch_to_asm+0x40/0x70 [ 375.096309] ? __switch_to_asm+0x34/0x70 [ 375.100375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.105259] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.110637] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 375.110715] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.117575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.117580] Call Trace: [ 375.117597] dump_stack+0x244/0x39d [ 375.117616] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.117641] warn_alloc.cold.116+0xb7/0x1bd [ 375.124199] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.133459] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.136017] syz-executor2 cpuset=syz2 mems_allowed=0 [ 375.139637] ? lock_downgrade+0x900/0x900 [ 375.173621] ? trace_hardirqs_off+0xb8/0x310 [ 375.178035] ? trace_hardirqs_off+0xb8/0x310 [ 375.182454] __alloc_pages_slowpath+0x26e8/0x2e10 [ 375.187319] ? warn_alloc+0x120/0x120 [ 375.191114] ? print_usage_bug+0xc0/0xc0 [ 375.195176] ? warn_alloc+0x120/0x120 [ 375.198978] ? warn_alloc+0x120/0x120 [ 375.202783] ? print_usage_bug+0xc0/0xc0 [ 375.206846] ? print_usage_bug+0xc0/0xc0 [ 375.210907] ? __lock_acquire+0x62f/0x4c20 [ 375.215148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.220694] ? should_fail+0x22d/0xd01 [ 375.224583] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.229706] ? __lock_acquire+0x62f/0x4c20 [ 375.233969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.239072] ? __lock_acquire+0x62f/0x4c20 [ 375.243303] ? should_fail+0x22d/0xd01 [ 375.247191] ? find_held_lock+0x36/0x1c0 [ 375.251258] ? mark_held_locks+0x130/0x130 [ 375.255507] ? mark_held_locks+0x130/0x130 [ 375.259749] ? zap_class+0x640/0x640 [ 375.263469] ? mark_held_locks+0xc7/0x130 [ 375.267613] ? do_raw_spin_unlock+0xa7/0x330 [ 375.272018] ? zap_class+0x640/0x640 [ 375.275747] ? print_usage_bug+0xc0/0xc0 [ 375.279815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.285367] ? check_preemption_disabled+0x48/0x280 [ 375.290394] ? __lock_is_held+0xb5/0x140 [ 375.294460] __alloc_pages_nodemask+0xa80/0xde0 [ 375.299127] ? zap_class+0x640/0x640 [ 375.302853] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 375.308053] ? find_held_lock+0x36/0x1c0 [ 375.312124] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.316800] ? lock_downgrade+0x900/0x900 [ 375.320954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.326496] cache_grow_begin+0xa5/0x8c0 [ 375.330558] ? do_raw_spin_unlock+0xa7/0x330 [ 375.334978] fallback_alloc+0x204/0x2e0 [ 375.338959] ____cache_alloc_node+0x1c7/0x1e0 [ 375.343955] kmem_cache_alloc_node+0xe3/0x730 [ 375.348455] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.352718] __alloc_skb+0x119/0x770 [ 375.356430] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.361715] ? netdev_alloc_frag+0x1f0/0x1f0 [ 375.366138] ? lock_downgrade+0x900/0x900 [ 375.370319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.375873] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.381357] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.386810] ? addrconf_rs_timer+0x690/0x690 [ 375.391232] ndisc_alloc_skb+0x144/0x340 [ 375.395298] ndisc_send_rs+0x331/0x6e0 [ 375.399199] addrconf_rs_timer+0x314/0x690 [ 375.403442] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.407699] call_timer_fn+0x272/0x920 [ 375.411595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.415830] ? process_timeout+0x40/0x40 [ 375.419903] ? __run_timers+0x7da/0xc70 [ 375.423883] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.428414] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.432913] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.437162] ? lockdep_hardirqs_on+0x296/0x5b0 [ 375.441763] ? trace_hardirqs_on+0xbd/0x310 [ 375.446081] ? kasan_check_read+0x11/0x20 [ 375.450225] ? __run_timers+0x7da/0xc70 [ 375.454201] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.459312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.463553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.467791] __run_timers+0x7e5/0xc70 [ 375.471606] ? timer_fixup_init+0x70/0x70 [ 375.475768] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.480267] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.484762] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 375.489360] ? trace_hardirqs_on+0xbd/0x310 [ 375.493688] ? kasan_check_read+0x11/0x20 [ 375.497838] ? finish_task_switch+0x1f4/0x910 [ 375.502339] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.507442] ? compat_start_thread+0x80/0x80 [ 375.511871] ? pvclock_read_flags+0x160/0x160 [ 375.516368] ? __switch_to_asm+0x34/0x70 [ 375.520433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.525971] ? check_preemption_disabled+0x48/0x280 [ 375.530995] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 375.536536] ? rcu_pm_notify+0xc0/0xc0 [ 375.540423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.545957] ? check_preemption_disabled+0x48/0x280 [ 375.550977] run_timer_softirq+0x52/0xb0 [ 375.555035] ? rcu_read_lock_sched_held+0x14f/0x180 [ 375.560050] __do_softirq+0x308/0xb7e [ 375.563876] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 375.568987] ? smpboot_thread_fn+0x334/0xa00 [ 375.573416] ? schedule+0x108/0x460 [ 375.577065] ? trace_hardirqs_off+0xb8/0x310 [ 375.581472] ? smpboot_thread_fn+0x68b/0xa00 [ 375.585881] ? trace_hardirqs_on+0x310/0x310 [ 375.590291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.595829] ? check_preemption_disabled+0x48/0x280 [ 375.600859] ? takeover_tasklets+0xa90/0xa90 [ 375.605299] run_ksoftirqd+0x5e/0x100 [ 375.609099] smpboot_thread_fn+0x68b/0xa00 [ 375.613335] ? sort_range+0x30/0x30 [ 375.616962] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.622064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.627603] ? __kthread_parkme+0xfb/0x1a0 [ 375.631842] ? sort_range+0x30/0x30 [ 375.635485] kthread+0x35a/0x440 [ 375.638860] ? kthread_stop+0x900/0x900 [ 375.642841] ret_from_fork+0x3a/0x50 [ 375.646578] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 375.646583] warn_alloc_show_mem: 1 callbacks suppressed [ 375.646590] Mem-Info: [ 375.653947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.659316] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 375.659316] active_file:15 inactive_file:12 isolated_file:0 [ 375.659316] unevictable:0 dirty:0 writeback:0 unstable:0 [ 375.659316] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 375.659316] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 375.659316] free:13769 free_pcp:294 free_cma:0 [ 375.661685] Call Trace: [ 375.671070] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 375.704194] [ 375.706793] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 375.734630] dump_stack+0x244/0x39d [ 375.736753] lowmem_reserve[]: 0 2818 6321 6321 [ 375.762884] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.766482] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 375.771061] warn_alloc.cold.116+0xb7/0x1bd [ 375.776233] lowmem_reserve[]: 0 0 3503 3503 [ 375.803637] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.807936] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 375.812255] ? lock_downgrade+0x900/0x900 [ 375.817071] lowmem_reserve[]: 0 0 0 0 [ 375.846128] ? trace_hardirqs_off+0xb8/0x310 [ 375.850245] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 375.854038] ? trace_hardirqs_off+0xb8/0x310 [ 375.858419] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 375.871937] __alloc_pages_slowpath+0x26e8/0x2e10 [ 375.876313] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 375.891877] ? warn_alloc+0x120/0x120 [ 375.896688] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 375.911415] ? print_usage_bug+0xc0/0xc0 [ 375.915195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 375.924012] ? warn_alloc+0x120/0x120 [ 375.928046] 12557 total pagecache pages [ 375.936606] ? warn_alloc+0x120/0x120 [ 375.940381] 0 pages in swap cache [ 375.944341] ? print_usage_bug+0xc0/0xc0 [ 375.948115] Swap cache stats: add 0, delete 0, find 0/0 [ 375.951559] ? kvm_clock_read+0x18/0x30 [ 375.955605] Free swap = 0kB [ 375.960956] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 375.964900] Total swap = 0kB [ 375.967913] ? print_usage_bug+0xc0/0xc0 [ 375.972924] 1965979 pages RAM [ 375.975937] ? __lock_acquire+0x62f/0x4c20 [ 375.979971] 0 pages HighMem/MovableOnly [ 375.983070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.987278] 342853 pages reserved [ 375.991260] ? should_fail+0x22d/0xd01 [ 375.996768] 0 pages cma reserved [ 376.000214] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.004140] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.007436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.012781] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.019200] ? __lock_acquire+0x62f/0x4c20 [ 376.024278] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 376.034581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.048551] ? __lock_acquire+0x62f/0x4c20 [ 376.052786] ? should_fail+0x22d/0xd01 [ 376.056670] ? rcu_irq_exit+0x1a2/0x390 [ 376.060660] ? mark_held_locks+0x130/0x130 [ 376.064913] ? mark_held_locks+0x130/0x130 [ 376.069162] ? mark_held_locks+0xc7/0x130 [ 376.073319] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 376.078335] ? zap_class+0x640/0x640 [ 376.082048] ? print_usage_bug+0xc0/0xc0 [ 376.086113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.091647] ? check_preemption_disabled+0x48/0x280 [ 376.096662] ? __lock_is_held+0xb5/0x140 [ 376.100732] __alloc_pages_nodemask+0xa80/0xde0 [ 376.105418] ? zap_class+0x640/0x640 [ 376.109194] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 376.114227] ? find_held_lock+0x36/0x1c0 [ 376.118299] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.122974] ? lock_downgrade+0x900/0x900 [ 376.127126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.132674] cache_grow_begin+0xa5/0x8c0 [ 376.136737] ? do_raw_spin_unlock+0xa7/0x330 [ 376.141162] fallback_alloc+0x204/0x2e0 [ 376.145147] ____cache_alloc_node+0x1c7/0x1e0 [ 376.149659] kmem_cache_alloc_node+0xe3/0x730 [ 376.154150] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.158427] __alloc_skb+0x119/0x770 [ 376.162137] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.167427] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.171835] ? lock_downgrade+0x900/0x900 [ 376.176000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.181533] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.186998] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.192481] ? addrconf_rs_timer+0x690/0x690 [ 376.196903] ndisc_alloc_skb+0x144/0x340 [ 376.200970] ndisc_send_rs+0x331/0x6e0 [ 376.204895] addrconf_rs_timer+0x314/0x690 [ 376.209144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.213838] call_timer_fn+0x272/0x920 [ 376.217739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.221988] ? process_timeout+0x40/0x40 [ 376.226052] ? __run_timers+0x7da/0xc70 [ 376.230026] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.234518] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.239008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.243235] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.247827] ? trace_hardirqs_on+0xbd/0x310 [ 376.252145] ? kasan_check_read+0x11/0x20 [ 376.256317] ? __run_timers+0x7da/0xc70 [ 376.260286] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.265450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.269716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.273958] __run_timers+0x7e5/0xc70 [ 376.277760] ? timer_fixup_init+0x70/0x70 [ 376.281901] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.286917] ? zap_class+0x640/0x640 [ 376.290633] ? enqueue_hrtimer+0x1a5/0x560 [ 376.294884] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.300109] ? find_held_lock+0x36/0x1c0 [ 376.304185] ? zap_class+0x640/0x640 [ 376.307905] ? pvclock_read_flags+0x160/0x160 [ 376.312419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.317956] ? check_preemption_disabled+0x48/0x280 [ 376.322982] ? __lock_is_held+0xb5/0x140 [ 376.327045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.332581] ? check_preemption_disabled+0x48/0x280 [ 376.337605] run_timer_softirq+0x52/0xb0 [ 376.341665] ? rcu_read_lock_sched_held+0x14f/0x180 [ 376.346725] __do_softirq+0x308/0xb7e [ 376.350529] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 376.355050] ? lock_downgrade+0x900/0x900 [ 376.359204] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 376.364313] ? pvclock_read_flags+0x160/0x160 [ 376.368811] ? lapic_next_event+0x5a/0x90 [ 376.372962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.378503] ? kvm_clock_read+0x18/0x30 [ 376.382513] ? kvm_sched_clock_read+0x9/0x20 [ 376.386920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.392454] ? check_preemption_disabled+0x48/0x280 [ 376.397475] irq_exit+0x17f/0x1c0 [ 376.400945] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.405816] ? smp_reschedule_interrupt+0x109/0x650 [ 376.410830] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.416714] ? interrupt_entry+0xb5/0xc0 [ 376.420773] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.425789] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.430815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.435668] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.440678] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.445693] ? task_prio+0x50/0x50 [ 376.449233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.454786] ? check_preemption_disabled+0x48/0x280 [ 376.459807] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.464656] apic_timer_interrupt+0xf/0x20 [ 376.468880] [ 376.471120] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 376.477010] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 376.495902] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 376.503620] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 376.510881] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 376.518148] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 376.525424] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 376.532701] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 376.539993] ? save_stack+0xa9/0xd0 [ 376.543630] __kmalloc_node_track_caller+0x3c/0x70 [ 376.548561] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 376.553318] pskb_expand_head+0x230/0x10f0 [ 376.557548] ? check_preemption_disabled+0x48/0x280 [ 376.562580] ? memcpy+0x45/0x50 [ 376.565854] ? __copy_skb_header+0x350/0x6b0 [ 376.570265] ? skb_release_data+0x880/0x880 [ 376.574584] ? __alloc_skb+0x770/0x770 [ 376.578482] ? __lock_is_held+0xb5/0x140 [ 376.582547] ? kasan_check_write+0x14/0x20 [ 376.586779] ? __skb_clone+0x6c7/0xa00 [ 376.590667] ? __copy_skb_header+0x6b0/0x6b0 [ 376.595082] ? kmem_cache_alloc+0x33a/0x730 [ 376.599405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.604947] skb_ensure_writable+0x3dd/0x640 [ 376.609364] ? skb_checksum_setup+0xaa0/0xaa0 [ 376.613869] ? preempt_notifier_register+0x200/0x200 [ 376.618966] ? __switch_to_asm+0x34/0x70 [ 376.623028] ? __switch_to_asm+0x34/0x70 [ 376.627084] ? __switch_to_asm+0x40/0x70 [ 376.631139] ? __switch_to_asm+0x34/0x70 [ 376.635208] ? __switch_to_asm+0x40/0x70 [ 376.639265] ? __switch_to_asm+0x40/0x70 [ 376.643338] ? __switch_to_asm+0x34/0x70 [ 376.647426] ? __switch_to_asm+0x34/0x70 [ 376.651484] ? __switch_to_asm+0x40/0x70 [ 376.655545] ? __switch_to_asm+0x34/0x70 [ 376.659610] bpf_clone_redirect+0x14a/0x490 [ 376.663938] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 376.668958] ? __sched_text_start+0x8/0x8 [ 376.673106] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 376.677872] ? find_held_lock+0x36/0x1c0 [ 376.681941] ? lock_acquire+0x1ed/0x520 [ 376.685913] ? bpf_test_run+0x3cb/0x780 [ 376.689902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.695458] ? check_preemption_disabled+0x48/0x280 [ 376.700485] ? kasan_check_read+0x11/0x20 [ 376.704629] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.709908] ? rcu_softirq_qs+0x20/0x20 [ 376.713916] ? preempt_schedule+0x4d/0x60 [ 376.718062] ? ___preempt_schedule+0x16/0x18 [ 376.722479] ? bpf_test_run+0x25d/0x780 [ 376.726464] ? netlink_diag_dump+0x2a0/0x2a0 [ 376.730872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.736404] ? bpf_test_init.isra.10+0x70/0x100 [ 376.741077] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 376.745840] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 376.750681] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 376.756232] ? fput+0x130/0x1a0 [ 376.759509] ? __bpf_prog_get+0x9b/0x290 [ 376.763573] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 376.768424] ? bpf_prog_test_run+0x130/0x1a0 [ 376.772835] ? __x64_sys_bpf+0x3db/0x520 [ 376.776890] ? bpf_prog_get+0x20/0x20 [ 376.780724] ? do_syscall_64+0x1b9/0x820 [ 376.784775] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 376.790134] ? syscall_return_slowpath+0x5e0/0x5e0 [ 376.795073] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.800083] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 376.805094] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 376.811752] ? __switch_to_asm+0x40/0x70 [ 376.815807] ? __switch_to_asm+0x34/0x70 [ 376.819872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.824716] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.830097] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 376.830181] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.837025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.837030] Call Trace: [ 376.837049] dump_stack+0x244/0x39d [ 376.837072] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.843624] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.852894] warn_alloc.cold.116+0xb7/0x1bd [ 376.855448] syz-executor2 cpuset=syz2 mems_allowed=0 [ 376.859064] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.888941] ? lock_downgrade+0x900/0x900 [ 376.893106] ? trace_hardirqs_off+0xb8/0x310 [ 376.897520] ? trace_hardirqs_off+0xb8/0x310 [ 376.901936] __alloc_pages_slowpath+0x26e8/0x2e10 [ 376.906807] ? warn_alloc+0x120/0x120 [ 376.910610] ? print_usage_bug+0xc0/0xc0 [ 376.914677] ? warn_alloc+0x120/0x120 [ 376.918498] ? warn_alloc+0x120/0x120 [ 376.922302] ? print_usage_bug+0xc0/0xc0 [ 376.926370] ? print_usage_bug+0xc0/0xc0 [ 376.930448] ? __lock_acquire+0x62f/0x4c20 [ 376.934711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.940248] ? should_fail+0x22d/0xd01 [ 376.944136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.949244] ? __lock_acquire+0x62f/0x4c20 [ 376.953500] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.958601] ? __lock_acquire+0x62f/0x4c20 [ 376.962838] ? should_fail+0x22d/0xd01 [ 376.966766] ? find_held_lock+0x36/0x1c0 [ 376.970848] ? mark_held_locks+0x130/0x130 [ 376.975089] ? mark_held_locks+0x130/0x130 [ 376.979323] ? zap_class+0x640/0x640 [ 376.983041] ? mark_held_locks+0xc7/0x130 [ 376.987201] ? do_raw_spin_unlock+0xa7/0x330 [ 376.991609] ? zap_class+0x640/0x640 [ 376.995328] ? print_usage_bug+0xc0/0xc0 [ 376.999396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.004937] ? check_preemption_disabled+0x48/0x280 [ 377.009966] ? __lock_is_held+0xb5/0x140 [ 377.014037] __alloc_pages_nodemask+0xa80/0xde0 [ 377.018708] ? zap_class+0x640/0x640 [ 377.022431] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 377.027458] ? find_held_lock+0x36/0x1c0 [ 377.031531] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.036204] ? lock_downgrade+0x900/0x900 [ 377.040356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.045901] cache_grow_begin+0xa5/0x8c0 [ 377.049962] ? do_raw_spin_unlock+0xa7/0x330 [ 377.054379] fallback_alloc+0x204/0x2e0 [ 377.058363] ____cache_alloc_node+0x1c7/0x1e0 [ 377.062869] kmem_cache_alloc_node+0xe3/0x730 [ 377.067372] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.071622] __alloc_skb+0x119/0x770 [ 377.075339] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.080624] ? netdev_alloc_frag+0x1f0/0x1f0 [ 377.085047] ? lock_downgrade+0x900/0x900 [ 377.089209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.094750] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.100211] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.105660] ? addrconf_rs_timer+0x690/0x690 [ 377.110088] ndisc_alloc_skb+0x144/0x340 [ 377.114162] ndisc_send_rs+0x331/0x6e0 [ 377.118057] addrconf_rs_timer+0x314/0x690 [ 377.122302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.126548] call_timer_fn+0x272/0x920 [ 377.130438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.134681] ? process_timeout+0x40/0x40 [ 377.138751] ? __run_timers+0x7da/0xc70 [ 377.142729] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.147225] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.151716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.155950] ? lockdep_hardirqs_on+0x296/0x5b0 [ 377.160543] ? trace_hardirqs_on+0xbd/0x310 [ 377.164866] ? kasan_check_read+0x11/0x20 [ 377.169010] ? __run_timers+0x7da/0xc70 [ 377.172988] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.178098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.182341] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.186576] __run_timers+0x7e5/0xc70 [ 377.190385] ? timer_fixup_init+0x70/0x70 [ 377.194552] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.199064] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.203558] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.208140] ? trace_hardirqs_on+0xbd/0x310 [ 377.212466] ? kasan_check_read+0x11/0x20 [ 377.216638] ? finish_task_switch+0x1f4/0x910 [ 377.221139] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.226250] ? compat_start_thread+0x80/0x80 [ 377.230683] ? pvclock_read_flags+0x160/0x160 [ 377.235186] ? __switch_to_asm+0x34/0x70 [ 377.239251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.244809] ? check_preemption_disabled+0x48/0x280 [ 377.249861] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 377.255441] ? rcu_pm_notify+0xc0/0xc0 [ 377.259347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.264914] ? check_preemption_disabled+0x48/0x280 [ 377.269949] run_timer_softirq+0x52/0xb0 [ 377.274008] ? rcu_read_lock_sched_held+0x14f/0x180 [ 377.279040] __do_softirq+0x308/0xb7e [ 377.282946] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 377.288051] ? smpboot_thread_fn+0x334/0xa00 [ 377.292460] ? schedule+0x108/0x460 [ 377.296093] ? trace_hardirqs_off+0xb8/0x310 [ 377.300513] ? smpboot_thread_fn+0x68b/0xa00 [ 377.304920] ? trace_hardirqs_on+0x310/0x310 [ 377.309331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.314872] ? check_preemption_disabled+0x48/0x280 [ 377.319887] ? takeover_tasklets+0xa90/0xa90 [ 377.324298] run_ksoftirqd+0x5e/0x100 [ 377.328099] smpboot_thread_fn+0x68b/0xa00 [ 377.332342] ? sort_range+0x30/0x30 [ 377.335968] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.341073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.347145] ? __kthread_parkme+0xfb/0x1a0 [ 377.351396] ? sort_range+0x30/0x30 [ 377.355024] kthread+0x35a/0x440 [ 377.358408] ? kthread_stop+0x900/0x900 [ 377.362388] ret_from_fork+0x3a/0x50 [ 377.366121] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 377.366126] warn_alloc_show_mem: 1 callbacks suppressed [ 377.366133] Mem-Info: [ 377.373537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.378902] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 377.378902] active_file:15 inactive_file:12 isolated_file:0 [ 377.378902] unevictable:0 dirty:0 writeback:0 unstable:0 [ 377.378902] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 377.378902] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 377.378902] free:13769 free_pcp:294 free_cma:0 [ 377.381273] Call Trace: [ 377.390663] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 377.423765] [ 377.426334] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 377.454194] dump_stack+0x244/0x39d [ 377.456311] lowmem_reserve[]: 0 2818 6321 6321 [ 377.482430] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.486046] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 377.490622] warn_alloc.cold.116+0xb7/0x1bd [ 377.495774] lowmem_reserve[]: 0 0 3503 3503 [ 377.523191] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.527486] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 377.531798] ? lock_downgrade+0x900/0x900 [ 377.536616] lowmem_reserve[]: 0 0 0 0 [ 377.565670] ? trace_hardirqs_off+0xb8/0x310 [ 377.569790] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 377.573585] ? trace_hardirqs_off+0xb8/0x310 [ 377.577963] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 377.591477] __alloc_pages_slowpath+0x26e8/0x2e10 [ 377.595860] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 377.611391] ? warn_alloc+0x120/0x120 [ 377.616197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 377.630923] ? print_usage_bug+0xc0/0xc0 [ 377.634704] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 377.643541] ? warn_alloc+0x120/0x120 [ 377.647578] 12557 total pagecache pages [ 377.656143] ? warn_alloc+0x120/0x120 [ 377.659929] 0 pages in swap cache [ 377.663901] ? print_usage_bug+0xc0/0xc0 [ 377.667682] Swap cache stats: add 0, delete 0, find 0/0 [ 377.671123] ? kvm_clock_read+0x18/0x30 [ 377.675163] Free swap = 0kB [ 377.680547] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 377.684505] Total swap = 0kB [ 377.687510] ? print_usage_bug+0xc0/0xc0 [ 377.692498] 1965979 pages RAM [ 377.695504] ? __lock_acquire+0x62f/0x4c20 [ 377.699539] 0 pages HighMem/MovableOnly [ 377.702636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.706841] 342853 pages reserved [ 377.710823] ? should_fail+0x22d/0xd01 [ 377.716334] 0 pages cma reserved [ 377.719779] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.723738] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.726998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.732420] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.738729] ? __lock_acquire+0x62f/0x4c20 [ 377.743838] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 377.754162] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.768107] ? __lock_acquire+0x62f/0x4c20 [ 377.772341] ? should_fail+0x22d/0xd01 [ 377.776219] ? rcu_irq_exit+0x1a2/0x390 [ 377.780219] ? mark_held_locks+0x130/0x130 [ 377.784460] ? mark_held_locks+0x130/0x130 [ 377.788701] ? mark_held_locks+0xc7/0x130 [ 377.792852] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 377.797864] ? zap_class+0x640/0x640 [ 377.801576] ? print_usage_bug+0xc0/0xc0 [ 377.805639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.811190] ? check_preemption_disabled+0x48/0x280 [ 377.816215] ? __lock_is_held+0xb5/0x140 [ 377.820291] __alloc_pages_nodemask+0xa80/0xde0 [ 377.824957] ? zap_class+0x640/0x640 [ 377.828669] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 377.833700] ? find_held_lock+0x36/0x1c0 [ 377.837773] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.842439] ? lock_downgrade+0x900/0x900 [ 377.846609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.852178] cache_grow_begin+0xa5/0x8c0 [ 377.856242] ? do_raw_spin_unlock+0xa7/0x330 [ 377.860663] fallback_alloc+0x204/0x2e0 [ 377.864658] ____cache_alloc_node+0x1c7/0x1e0 [ 377.869201] kmem_cache_alloc_node+0xe3/0x730 [ 377.873699] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.877945] __alloc_skb+0x119/0x770 [ 377.881654] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.886935] ? netdev_alloc_frag+0x1f0/0x1f0 [ 377.891342] ? lock_downgrade+0x900/0x900 [ 377.895496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.901031] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.906488] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.911941] ? addrconf_rs_timer+0x690/0x690 [ 377.916362] ndisc_alloc_skb+0x144/0x340 [ 377.920428] ndisc_send_rs+0x331/0x6e0 [ 377.924334] addrconf_rs_timer+0x314/0x690 [ 377.928589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.932831] call_timer_fn+0x272/0x920 [ 377.936723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.940957] ? process_timeout+0x40/0x40 [ 377.945026] ? __run_timers+0x7da/0xc70 [ 377.949003] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.953494] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.957987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.962220] ? lockdep_hardirqs_on+0x296/0x5b0 [ 377.966820] ? trace_hardirqs_on+0xbd/0x310 [ 377.971140] ? kasan_check_read+0x11/0x20 [ 377.975317] ? __run_timers+0x7da/0xc70 [ 377.979293] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.984405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.988645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.992876] __run_timers+0x7e5/0xc70 [ 377.996684] ? timer_fixup_init+0x70/0x70 [ 378.000838] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.005856] ? zap_class+0x640/0x640 [ 378.009573] ? enqueue_hrtimer+0x1a5/0x560 [ 378.013807] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.019020] ? find_held_lock+0x36/0x1c0 [ 378.023082] ? zap_class+0x640/0x640 [ 378.026800] ? pvclock_read_flags+0x160/0x160 [ 378.031300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.036841] ? check_preemption_disabled+0x48/0x280 [ 378.041866] ? __lock_is_held+0xb5/0x140 [ 378.045932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.051469] ? check_preemption_disabled+0x48/0x280 [ 378.056503] run_timer_softirq+0x52/0xb0 [ 378.060560] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.065570] __do_softirq+0x308/0xb7e [ 378.069375] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 378.073871] ? lock_downgrade+0x900/0x900 [ 378.078034] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 378.083139] ? pvclock_read_flags+0x160/0x160 [ 378.087650] ? lapic_next_event+0x5a/0x90 [ 378.091800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.097360] ? kvm_clock_read+0x18/0x30 [ 378.101332] ? kvm_sched_clock_read+0x9/0x20 [ 378.105739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.111275] ? check_preemption_disabled+0x48/0x280 [ 378.116320] irq_exit+0x17f/0x1c0 [ 378.119774] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.124627] ? smp_reschedule_interrupt+0x109/0x650 [ 378.129643] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.135541] ? interrupt_entry+0xb5/0xc0 [ 378.139602] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.144631] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.149649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.154495] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.159509] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.164543] ? task_prio+0x50/0x50 [ 378.168099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.173637] ? check_preemption_disabled+0x48/0x280 [ 378.178657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.183512] apic_timer_interrupt+0xf/0x20 [ 378.187738] [ 378.189974] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 378.195861] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 378.215210] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 378.222918] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 378.230188] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 378.237453] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 378.244719] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 378.251985] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 378.259306] ? save_stack+0xa9/0xd0 [ 378.262941] __kmalloc_node_track_caller+0x3c/0x70 [ 378.267871] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 378.272631] pskb_expand_head+0x230/0x10f0 [ 378.276861] ? check_preemption_disabled+0x48/0x280 [ 378.281888] ? memcpy+0x45/0x50 [ 378.285188] ? __copy_skb_header+0x350/0x6b0 [ 378.289615] ? skb_release_data+0x880/0x880 [ 378.293960] ? __alloc_skb+0x770/0x770 [ 378.297910] ? __lock_is_held+0xb5/0x140 [ 378.301977] ? kasan_check_write+0x14/0x20 [ 378.306211] ? __skb_clone+0x6c7/0xa00 [ 378.310102] ? __copy_skb_header+0x6b0/0x6b0 [ 378.314514] ? kmem_cache_alloc+0x33a/0x730 [ 378.318837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.324384] skb_ensure_writable+0x3dd/0x640 [ 378.328816] ? skb_checksum_setup+0xaa0/0xaa0 [ 378.333315] ? preempt_notifier_register+0x200/0x200 [ 378.338420] ? __switch_to_asm+0x34/0x70 [ 378.342479] ? __switch_to_asm+0x34/0x70 [ 378.346536] ? __switch_to_asm+0x40/0x70 [ 378.350597] ? __switch_to_asm+0x34/0x70 [ 378.354657] ? __switch_to_asm+0x40/0x70 [ 378.358716] ? __switch_to_asm+0x40/0x70 [ 378.362772] ? __switch_to_asm+0x34/0x70 [ 378.366834] ? __switch_to_asm+0x34/0x70 [ 378.370893] ? __switch_to_asm+0x40/0x70 [ 378.374953] ? __switch_to_asm+0x34/0x70 [ 378.379050] bpf_clone_redirect+0x14a/0x490 [ 378.383380] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 378.388403] ? __sched_text_start+0x8/0x8 [ 378.392556] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 378.397327] ? find_held_lock+0x36/0x1c0 [ 378.401398] ? lock_acquire+0x1ed/0x520 [ 378.405377] ? bpf_test_run+0x3cb/0x780 [ 378.409353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.414892] ? check_preemption_disabled+0x48/0x280 [ 378.419913] ? kasan_check_read+0x11/0x20 [ 378.424059] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.429338] ? rcu_softirq_qs+0x20/0x20 [ 378.433318] ? preempt_schedule+0x4d/0x60 [ 378.437465] ? ___preempt_schedule+0x16/0x18 [ 378.441880] ? bpf_test_run+0x25d/0x780 [ 378.445866] ? netlink_diag_dump+0x2a0/0x2a0 [ 378.450307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.455840] ? bpf_test_init.isra.10+0x70/0x100 [ 378.460515] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 378.465281] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 378.470119] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 378.475655] ? fput+0x130/0x1a0 [ 378.478935] ? __bpf_prog_get+0x9b/0x290 [ 378.482995] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 378.487850] ? bpf_prog_test_run+0x130/0x1a0 [ 378.492261] ? __x64_sys_bpf+0x3db/0x520 [ 378.496319] ? bpf_prog_get+0x20/0x20 [ 378.500136] ? do_syscall_64+0x1b9/0x820 [ 378.504200] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 378.509562] ? syscall_return_slowpath+0x5e0/0x5e0 [ 378.514490] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.519532] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 378.524578] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 378.531260] ? __switch_to_asm+0x40/0x70 [ 378.535315] ? __switch_to_asm+0x34/0x70 [ 378.539396] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.544263] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 378.549640] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 378.549706] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.556566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.556571] Call Trace: [ 378.556589] dump_stack+0x244/0x39d [ 378.556609] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.563250] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.572438] warn_alloc.cold.116+0xb7/0x1bd [ 378.574998] syz-executor2 cpuset=syz2 mems_allowed=0 [ 378.578612] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.608507] ? lock_downgrade+0x900/0x900 [ 378.612699] ? trace_hardirqs_off+0xb8/0x310 [ 378.617111] ? trace_hardirqs_off+0xb8/0x310 [ 378.621527] __alloc_pages_slowpath+0x26e8/0x2e10 [ 378.626400] ? warn_alloc+0x120/0x120 [ 378.630206] ? print_usage_bug+0xc0/0xc0 [ 378.634296] ? warn_alloc+0x120/0x120 [ 378.638104] ? warn_alloc+0x120/0x120 [ 378.641908] ? print_usage_bug+0xc0/0xc0 [ 378.645973] ? print_usage_bug+0xc0/0xc0 [ 378.650038] ? print_usage_bug+0xc0/0xc0 [ 378.654102] ? __lock_acquire+0x62f/0x4c20 [ 378.658343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.663886] ? should_fail+0x22d/0xd01 [ 378.667786] ? __lock_acquire+0x62f/0x4c20 [ 378.672024] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.677127] ? __lock_acquire+0x62f/0x4c20 [ 378.681374] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.686474] ? __lock_acquire+0x62f/0x4c20 [ 378.690705] ? should_fail+0x22d/0xd01 [ 378.694602] ? mark_held_locks+0x130/0x130 [ 378.698840] ? mark_held_locks+0x130/0x130 [ 378.703111] ? lock_downgrade+0x900/0x900 [ 378.707263] ? zap_class+0x640/0x640 [ 378.710992] ? print_usage_bug+0xc0/0xc0 [ 378.715054] ? trace_hardirqs_off+0xb8/0x310 [ 378.719467] ? kasan_check_read+0x11/0x20 [ 378.723617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.729163] ? check_preemption_disabled+0x48/0x280 [ 378.734200] ? __lock_is_held+0xb5/0x140 [ 378.738282] __alloc_pages_nodemask+0xa80/0xde0 [ 378.742949] ? zap_class+0x640/0x640 [ 378.746670] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 378.751749] ? find_held_lock+0x36/0x1c0 [ 378.755815] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.760483] ? lock_downgrade+0x900/0x900 [ 378.764636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.770190] cache_grow_begin+0xa5/0x8c0 [ 378.774249] ? do_raw_spin_unlock+0xa7/0x330 [ 378.778663] fallback_alloc+0x204/0x2e0 [ 378.782645] ____cache_alloc_node+0x1c7/0x1e0 [ 378.787145] kmem_cache_alloc_node+0xe3/0x730 [ 378.791663] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.795912] __alloc_skb+0x119/0x770 [ 378.799626] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.804904] ? netdev_alloc_frag+0x1f0/0x1f0 [ 378.809306] ? lock_downgrade+0x900/0x900 [ 378.813460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.818992] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.824445] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.829894] ? addrconf_rs_timer+0x690/0x690 [ 378.834324] ndisc_alloc_skb+0x144/0x340 [ 378.838386] ndisc_send_rs+0x331/0x6e0 [ 378.842277] addrconf_rs_timer+0x314/0x690 [ 378.846515] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.850774] call_timer_fn+0x272/0x920 [ 378.854659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.858928] ? process_timeout+0x40/0x40 [ 378.862996] ? __run_timers+0x7da/0xc70 [ 378.866969] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.871465] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.875963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.880213] ? lockdep_hardirqs_on+0x296/0x5b0 [ 378.884801] ? trace_hardirqs_on+0xbd/0x310 [ 378.889123] ? kasan_check_read+0x11/0x20 [ 378.893277] ? __run_timers+0x7da/0xc70 [ 378.897255] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.902409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.906643] __run_timers+0x7e5/0xc70 [ 378.910459] ? timer_fixup_init+0x70/0x70 [ 378.914622] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.919115] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.923621] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 378.928205] ? trace_hardirqs_on+0xbd/0x310 [ 378.932525] ? kasan_check_read+0x11/0x20 [ 378.936682] ? finish_task_switch+0x1f4/0x910 [ 378.941187] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.946291] ? compat_start_thread+0x80/0x80 [ 378.950724] ? pvclock_read_flags+0x160/0x160 [ 378.955233] ? __switch_to_asm+0x34/0x70 [ 378.959297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.964834] ? check_preemption_disabled+0x48/0x280 [ 378.969878] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 378.975417] ? rcu_pm_notify+0xc0/0xc0 [ 378.979309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.984844] ? check_preemption_disabled+0x48/0x280 [ 378.989861] run_timer_softirq+0x52/0xb0 [ 378.993923] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.998941] __do_softirq+0x308/0xb7e [ 379.002771] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 379.007895] ? smpboot_thread_fn+0x334/0xa00 [ 379.012312] ? schedule+0x108/0x460 [ 379.015950] ? trace_hardirqs_off+0xb8/0x310 [ 379.020361] ? smpboot_thread_fn+0x68b/0xa00 [ 379.024770] ? trace_hardirqs_on+0x310/0x310 [ 379.029196] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.034733] ? check_preemption_disabled+0x48/0x280 [ 379.039767] ? takeover_tasklets+0xa90/0xa90 [ 379.044188] run_ksoftirqd+0x5e/0x100 [ 379.048035] smpboot_thread_fn+0x68b/0xa00 [ 379.052278] ? sort_range+0x30/0x30 [ 379.055907] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.061011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.066544] ? __kthread_parkme+0xfb/0x1a0 [ 379.070778] ? sort_range+0x30/0x30 [ 379.074415] kthread+0x35a/0x440 [ 379.077782] ? kthread_stop+0x900/0x900 [ 379.081760] ret_from_fork+0x3a/0x50 [ 379.085493] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 379.085498] warn_alloc_show_mem: 1 callbacks suppressed [ 379.085504] Mem-Info: [ 379.092853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.098219] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 379.098219] active_file:15 inactive_file:12 isolated_file:0 [ 379.098219] unevictable:0 dirty:0 writeback:0 unstable:0 [ 379.098219] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 379.098219] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 379.098219] free:13769 free_pcp:294 free_cma:0 [ 379.100608] Call Trace: [ 379.109995] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 379.143094] [ 379.145671] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 379.173517] dump_stack+0x244/0x39d [ 379.175643] lowmem_reserve[]: 0 2818 6321 6321 [ 379.201741] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.205340] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 379.209955] warn_alloc.cold.116+0xb7/0x1bd [ 379.215128] lowmem_reserve[]: 0 0 3503 3503 [ 379.242554] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.246848] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 379.251162] ? lock_downgrade+0x900/0x900 [ 379.255987] lowmem_reserve[]: 0 0 0 0 [ 379.285041] ? trace_hardirqs_off+0xb8/0x310 [ 379.289174] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 379.292969] ? trace_hardirqs_off+0xb8/0x310 [ 379.297350] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 379.310893] __alloc_pages_slowpath+0x26e8/0x2e10 [ 379.315280] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 379.330827] ? warn_alloc+0x120/0x120 [ 379.335627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 379.350524] ? print_usage_bug+0xc0/0xc0 [ 379.354307] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 379.363138] ? warn_alloc+0x120/0x120 [ 379.367172] 12557 total pagecache pages [ 379.367187] 0 pages in swap cache [ 379.375747] ? warn_alloc+0x120/0x120 [ 379.379523] Swap cache stats: add 0, delete 0, find 0/0 [ 379.383502] ? print_usage_bug+0xc0/0xc0 [ 379.386933] Free swap = 0kB [ 379.390724] ? kvm_clock_read+0x18/0x30 [ 379.396064] Total swap = 0kB [ 379.400116] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 379.403106] 1965979 pages RAM [ 379.407069] ? print_usage_bug+0xc0/0xc0 [ 379.410061] 0 pages HighMem/MovableOnly [ 379.415066] ? __lock_acquire+0x62f/0x4c20 [ 379.418151] 342853 pages reserved [ 379.422213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.426163] 0 pages cma reserved [ 379.430396] ? should_fail+0x22d/0xd01 [ 379.433917] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.439365] ? __lock_acquire+0x62f/0x4c20 [ 379.442785] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.446587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.453051] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 379.457302] ? __lock_acquire+0x62f/0x4c20 [ 379.481604] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.486702] ? __lock_acquire+0x62f/0x4c20 [ 379.490932] ? should_fail+0x22d/0xd01 [ 379.494826] ? mark_held_locks+0x130/0x130 [ 379.499065] ? mark_held_locks+0x130/0x130 [ 379.503303] ? zap_class+0x640/0x640 [ 379.507030] ? print_usage_bug+0xc0/0xc0 [ 379.511109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.516649] ? check_preemption_disabled+0x48/0x280 [ 379.521738] ? __lock_is_held+0xb5/0x140 [ 379.525807] __alloc_pages_nodemask+0xa80/0xde0 [ 379.530479] ? zap_class+0x640/0x640 [ 379.534217] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 379.539244] ? find_held_lock+0x36/0x1c0 [ 379.543361] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.548028] ? lock_downgrade+0x900/0x900 [ 379.552193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.557733] cache_grow_begin+0xa5/0x8c0 [ 379.561795] ? do_raw_spin_unlock+0xa7/0x330 [ 379.566244] fallback_alloc+0x204/0x2e0 [ 379.570247] ____cache_alloc_node+0x1c7/0x1e0 [ 379.574778] kmem_cache_alloc_node+0xe3/0x730 [ 379.579272] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.583517] __alloc_skb+0x119/0x770 [ 379.587228] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.592506] ? netdev_alloc_frag+0x1f0/0x1f0 [ 379.596911] ? lock_downgrade+0x900/0x900 [ 379.601079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.606616] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.612086] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.617540] ? addrconf_rs_timer+0x690/0x690 [ 379.621957] ndisc_alloc_skb+0x144/0x340 [ 379.626020] ndisc_send_rs+0x331/0x6e0 [ 379.629914] addrconf_rs_timer+0x314/0x690 [ 379.634164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.638415] call_timer_fn+0x272/0x920 [ 379.642300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.646530] ? process_timeout+0x40/0x40 [ 379.650596] ? __run_timers+0x7da/0xc70 [ 379.654570] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.659066] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.663558] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.667795] ? lockdep_hardirqs_on+0x296/0x5b0 [ 379.672379] ? trace_hardirqs_on+0xbd/0x310 [ 379.676697] ? kasan_check_read+0x11/0x20 [ 379.680855] ? __run_timers+0x7da/0xc70 [ 379.684833] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.689950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.694224] __run_timers+0x7e5/0xc70 [ 379.698034] ? timer_fixup_init+0x70/0x70 [ 379.702190] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.707220] ? zap_class+0x640/0x640 [ 379.710937] ? enqueue_hrtimer+0x1a5/0x560 [ 379.715202] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 379.720406] ? find_held_lock+0x36/0x1c0 [ 379.724514] ? zap_class+0x640/0x640 [ 379.728245] ? pvclock_read_flags+0x160/0x160 [ 379.732746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.738288] ? check_preemption_disabled+0x48/0x280 [ 379.743319] ? __lock_is_held+0xb5/0x140 [ 379.747387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.752929] ? check_preemption_disabled+0x48/0x280 [ 379.757950] run_timer_softirq+0x52/0xb0 [ 379.762013] ? rcu_read_lock_sched_held+0x14f/0x180 [ 379.767032] __do_softirq+0x308/0xb7e [ 379.770837] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 379.775331] ? lock_downgrade+0x900/0x900 [ 379.779488] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 379.784599] ? pvclock_read_flags+0x160/0x160 [ 379.789094] ? lapic_next_event+0x5a/0x90 [ 379.793262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.798809] ? kvm_clock_read+0x18/0x30 [ 379.802782] ? kvm_sched_clock_read+0x9/0x20 [ 379.807197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.812766] ? check_preemption_disabled+0x48/0x280 [ 379.817789] irq_exit+0x17f/0x1c0 [ 379.821271] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.826111] ? smp_reschedule_interrupt+0x109/0x650 [ 379.831132] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.837029] ? interrupt_entry+0xb5/0xc0 [ 379.841104] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.846127] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.851144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.856001] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.861017] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.866030] ? task_prio+0x50/0x50 [ 379.869575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.875113] ? check_preemption_disabled+0x48/0x280 [ 379.880131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.884995] apic_timer_interrupt+0xf/0x20 [ 379.889222] [ 379.891479] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 379.897410] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 379.916310] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 379.924014] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 379.931280] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 379.938549] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 379.945812] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 379.953075] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 379.960373] ? save_stack+0xa9/0xd0 [ 379.964012] __kmalloc_node_track_caller+0x3c/0x70 [ 379.968949] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 379.973710] pskb_expand_head+0x230/0x10f0 [ 379.977943] ? check_preemption_disabled+0x48/0x280 [ 379.982967] ? memcpy+0x45/0x50 [ 379.986253] ? __copy_skb_header+0x350/0x6b0 [ 379.990667] ? skb_release_data+0x880/0x880 [ 379.994988] ? __alloc_skb+0x770/0x770 [ 379.998884] ? __lock_is_held+0xb5/0x140 [ 380.002980] ? kasan_check_write+0x14/0x20 [ 380.007214] ? __skb_clone+0x6c7/0xa00 [ 380.011102] ? __copy_skb_header+0x6b0/0x6b0 [ 380.015508] ? kmem_cache_alloc+0x33a/0x730 [ 380.019833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.025377] skb_ensure_writable+0x3dd/0x640 [ 380.029788] ? skb_checksum_setup+0xaa0/0xaa0 [ 380.034292] ? preempt_notifier_register+0x200/0x200 [ 380.039396] ? __switch_to_asm+0x34/0x70 [ 380.043453] ? __switch_to_asm+0x34/0x70 [ 380.047507] ? __switch_to_asm+0x40/0x70 [ 380.051564] ? __switch_to_asm+0x34/0x70 [ 380.055623] ? __switch_to_asm+0x40/0x70 [ 380.059695] ? __switch_to_asm+0x40/0x70 [ 380.063752] ? __switch_to_asm+0x34/0x70 [ 380.067807] ? __switch_to_asm+0x34/0x70 [ 380.071880] ? __switch_to_asm+0x40/0x70 [ 380.075934] ? __switch_to_asm+0x34/0x70 [ 380.079998] bpf_clone_redirect+0x14a/0x490 [ 380.084331] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 380.089352] ? __sched_text_start+0x8/0x8 [ 380.093500] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.098269] ? find_held_lock+0x36/0x1c0 [ 380.102352] ? lock_acquire+0x1ed/0x520 [ 380.106363] ? bpf_test_run+0x3cb/0x780 [ 380.110341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.115883] ? check_preemption_disabled+0x48/0x280 [ 380.120906] ? kasan_check_read+0x11/0x20 [ 380.125055] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.130329] ? rcu_softirq_qs+0x20/0x20 [ 380.134304] ? preempt_schedule+0x4d/0x60 [ 380.138457] ? ___preempt_schedule+0x16/0x18 [ 380.142872] ? bpf_test_run+0x25d/0x780 [ 380.146858] ? netlink_diag_dump+0x2a0/0x2a0 [ 380.151268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.156802] ? bpf_test_init.isra.10+0x70/0x100 [ 380.161482] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 380.166263] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 380.171107] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 380.176644] ? fput+0x130/0x1a0 [ 380.179926] ? __bpf_prog_get+0x9b/0x290 [ 380.184003] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 380.188847] ? bpf_prog_test_run+0x130/0x1a0 [ 380.193275] ? __x64_sys_bpf+0x3db/0x520 [ 380.197349] ? bpf_prog_get+0x20/0x20 [ 380.201211] ? do_syscall_64+0x1b9/0x820 [ 380.205275] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 380.210643] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.216002] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.221019] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 380.226035] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 380.232699] ? __switch_to_asm+0x40/0x70 [ 380.236759] ? __switch_to_asm+0x34/0x70 [ 380.240840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.245698] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.251079] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 380.251146] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.258001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.258006] Call Trace: [ 380.258024] dump_stack+0x244/0x39d [ 380.258043] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.258068] warn_alloc.cold.116+0xb7/0x1bd [ 380.264607] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.273875] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.276448] syz-executor2 cpuset=syz2 mems_allowed=0 [ 380.280068] ? lock_downgrade+0x900/0x900 [ 380.314058] ? trace_hardirqs_off+0xb8/0x310 [ 380.318473] ? trace_hardirqs_off+0xb8/0x310 [ 380.322890] __alloc_pages_slowpath+0x26e8/0x2e10 [ 380.327762] ? warn_alloc+0x120/0x120 [ 380.331565] ? print_usage_bug+0xc0/0xc0 [ 380.335647] ? warn_alloc+0x120/0x120 [ 380.339490] ? warn_alloc+0x120/0x120 [ 380.343306] ? print_usage_bug+0xc0/0xc0 [ 380.347376] ? print_usage_bug+0xc0/0xc0 [ 380.351439] ? __lock_acquire+0x62f/0x4c20 [ 380.355684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.361224] ? should_fail+0x22d/0xd01 [ 380.365117] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.370221] ? __lock_acquire+0x62f/0x4c20 [ 380.374464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.379568] ? __lock_acquire+0x62f/0x4c20 [ 380.383799] ? should_fail+0x22d/0xd01 [ 380.387696] ? find_held_lock+0x36/0x1c0 [ 380.391780] ? mark_held_locks+0x130/0x130 [ 380.396023] ? mark_held_locks+0x130/0x130 [ 380.400260] ? zap_class+0x640/0x640 [ 380.403978] ? mark_held_locks+0xc7/0x130 [ 380.408127] ? do_raw_spin_unlock+0xa7/0x330 [ 380.412543] ? zap_class+0x640/0x640 [ 380.416259] ? print_usage_bug+0xc0/0xc0 [ 380.420324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.425868] ? check_preemption_disabled+0x48/0x280 [ 380.430892] ? __lock_is_held+0xb5/0x140 [ 380.434965] __alloc_pages_nodemask+0xa80/0xde0 [ 380.439634] ? zap_class+0x640/0x640 [ 380.443356] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 380.448386] ? find_held_lock+0x36/0x1c0 [ 380.452477] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.457146] ? lock_downgrade+0x900/0x900 [ 380.461314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.466854] cache_grow_begin+0xa5/0x8c0 [ 380.470912] ? do_raw_spin_unlock+0xa7/0x330 [ 380.475329] fallback_alloc+0x204/0x2e0 [ 380.479322] ____cache_alloc_node+0x1c7/0x1e0 [ 380.483823] kmem_cache_alloc_node+0xe3/0x730 [ 380.488315] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.492561] __alloc_skb+0x119/0x770 [ 380.496273] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.501568] ? netdev_alloc_frag+0x1f0/0x1f0 [ 380.505970] ? lock_downgrade+0x900/0x900 [ 380.510121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.515665] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.521123] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.526579] ? addrconf_rs_timer+0x690/0x690 [ 380.530998] ndisc_alloc_skb+0x144/0x340 [ 380.535077] ndisc_send_rs+0x331/0x6e0 [ 380.538973] addrconf_rs_timer+0x314/0x690 [ 380.543231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.547511] call_timer_fn+0x272/0x920 [ 380.551400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.555638] ? process_timeout+0x40/0x40 [ 380.559715] ? __run_timers+0x7da/0xc70 [ 380.563700] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.568200] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.572698] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.576933] ? lockdep_hardirqs_on+0x296/0x5b0 [ 380.581518] ? trace_hardirqs_on+0xbd/0x310 [ 380.585843] ? kasan_check_read+0x11/0x20 [ 380.589988] ? __run_timers+0x7da/0xc70 [ 380.593964] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.599075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.603315] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.607550] __run_timers+0x7e5/0xc70 [ 380.611360] ? timer_fixup_init+0x70/0x70 [ 380.615511] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.620008] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.624504] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 380.629091] ? trace_hardirqs_on+0xbd/0x310 [ 380.633417] ? kasan_check_read+0x11/0x20 [ 380.637572] ? finish_task_switch+0x1f4/0x910 [ 380.642072] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.647179] ? compat_start_thread+0x80/0x80 [ 380.651617] ? pvclock_read_flags+0x160/0x160 [ 380.656109] ? __switch_to_asm+0x34/0x70 [ 380.660180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.665724] ? check_preemption_disabled+0x48/0x280 [ 380.670750] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 380.676289] ? rcu_pm_notify+0xc0/0xc0 [ 380.680185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.685728] ? check_preemption_disabled+0x48/0x280 [ 380.690750] run_timer_softirq+0x52/0xb0 [ 380.694810] ? rcu_read_lock_sched_held+0x14f/0x180 [ 380.699827] __do_softirq+0x308/0xb7e [ 380.703639] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 380.708752] ? smpboot_thread_fn+0x334/0xa00 [ 380.713178] ? schedule+0x108/0x460 [ 380.716822] ? trace_hardirqs_off+0xb8/0x310 [ 380.721230] ? smpboot_thread_fn+0x68b/0xa00 [ 380.725643] ? trace_hardirqs_on+0x310/0x310 [ 380.730060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.735599] ? check_preemption_disabled+0x48/0x280 [ 380.740617] ? takeover_tasklets+0xa90/0xa90 [ 380.745049] run_ksoftirqd+0x5e/0x100 [ 380.748861] smpboot_thread_fn+0x68b/0xa00 [ 380.753099] ? sort_range+0x30/0x30 [ 380.756726] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.761826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.767379] ? __kthread_parkme+0xfb/0x1a0 [ 380.771616] ? sort_range+0x30/0x30 [ 380.775246] kthread+0x35a/0x440 [ 380.778616] ? kthread_stop+0x900/0x900 [ 380.782593] ret_from_fork+0x3a/0x50 [ 380.786342] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 380.786348] warn_alloc_show_mem: 1 callbacks suppressed [ 380.786355] Mem-Info: [ 380.793721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.799105] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 380.799105] active_file:15 inactive_file:12 isolated_file:0 [ 380.799105] unevictable:0 dirty:0 writeback:0 unstable:0 [ 380.799105] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 380.799105] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 380.799105] free:13769 free_pcp:294 free_cma:0 [ 380.801478] Call Trace: [ 380.810867] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 380.843967] [ 380.846535] 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 [ 380.874380] dump_stack+0x244/0x39d [ 380.876508] lowmem_reserve[]: 0 2818 6321 6321 [ 380.902610] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.906227] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 380.910809] warn_alloc.cold.116+0xb7/0x1bd [ 380.915980] lowmem_reserve[]: 0 0 3503 3503 [ 380.943388] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.947691] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 380.952009] ? lock_downgrade+0x900/0x900 [ 380.956839] lowmem_reserve[]: 0 0 0 0 [ 380.985897] ? trace_hardirqs_off+0xb8/0x310 [ 380.990014] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 380.993807] ? trace_hardirqs_off+0xb8/0x310 [ 380.998196] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 381.011714] __alloc_pages_slowpath+0x26e8/0x2e10 [ 381.016107] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 381.031643] ? warn_alloc+0x120/0x120 [ 381.036449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 381.051183] ? print_usage_bug+0xc0/0xc0 [ 381.054963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.063780] ? warn_alloc+0x120/0x120 [ 381.067817] 12557 total pagecache pages [ 381.076383] ? warn_alloc+0x120/0x120 [ 381.080198] 0 pages in swap cache [ 381.084189] ? print_usage_bug+0xc0/0xc0 [ 381.087985] Swap cache stats: add 0, delete 0, find 0/0 [ 381.091433] ? kvm_clock_read+0x18/0x30 [ 381.095467] Free swap = 0kB [ 381.100825] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 381.104776] Total swap = 0kB [ 381.107789] ? print_usage_bug+0xc0/0xc0 [ 381.112777] 1965979 pages RAM [ 381.115786] ? __lock_acquire+0x62f/0x4c20 [ 381.119823] 0 pages HighMem/MovableOnly [ 381.122923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.127130] 342853 pages reserved [ 381.131101] ? should_fail+0x22d/0xd01 [ 381.136628] 0 pages cma reserved [ 381.140072] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.143995] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.147303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.152653] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.159056] ? __lock_acquire+0x62f/0x4c20 [ 381.164134] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 381.174504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.188466] ? __lock_acquire+0x62f/0x4c20 [ 381.192695] ? should_fail+0x22d/0xd01 [ 381.196575] ? rcu_irq_exit+0x1a2/0x390 [ 381.200554] ? mark_held_locks+0x130/0x130 [ 381.204791] ? mark_held_locks+0x130/0x130 [ 381.209028] ? mark_held_locks+0xc7/0x130 [ 381.213184] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 381.218204] ? zap_class+0x640/0x640 [ 381.221917] ? print_usage_bug+0xc0/0xc0 [ 381.225985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.231527] ? check_preemption_disabled+0x48/0x280 [ 381.236570] ? __lock_is_held+0xb5/0x140 [ 381.240636] __alloc_pages_nodemask+0xa80/0xde0 [ 381.245306] ? zap_class+0x640/0x640 [ 381.249024] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 381.254051] ? find_held_lock+0x36/0x1c0 [ 381.258122] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.262797] ? lock_downgrade+0x900/0x900 [ 381.266953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.272490] cache_grow_begin+0xa5/0x8c0 [ 381.276547] ? do_raw_spin_unlock+0xa7/0x330 [ 381.280962] fallback_alloc+0x204/0x2e0 [ 381.284959] ____cache_alloc_node+0x1c7/0x1e0 [ 381.289461] kmem_cache_alloc_node+0xe3/0x730 [ 381.293954] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.298252] __alloc_skb+0x119/0x770 [ 381.301965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.307244] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.311653] ? lock_downgrade+0x900/0x900 [ 381.315806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.321352] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.326804] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.332255] ? addrconf_rs_timer+0x690/0x690 [ 381.336688] ndisc_alloc_skb+0x144/0x340 [ 381.340769] ndisc_send_rs+0x331/0x6e0 [ 381.344869] addrconf_rs_timer+0x314/0x690 [ 381.349126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.353376] call_timer_fn+0x272/0x920 [ 381.357267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.361502] ? process_timeout+0x40/0x40 [ 381.365571] ? __run_timers+0x7da/0xc70 [ 381.369551] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.374046] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.378555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.382791] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.387378] ? trace_hardirqs_on+0xbd/0x310 [ 381.391698] ? kasan_check_read+0x11/0x20 [ 381.395846] ? __run_timers+0x7da/0xc70 [ 381.399820] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.404925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.409199] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.413461] __run_timers+0x7e5/0xc70 [ 381.417271] ? timer_fixup_init+0x70/0x70 [ 381.421434] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.426455] ? zap_class+0x640/0x640 [ 381.430188] ? enqueue_hrtimer+0x1a5/0x560 [ 381.434426] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.439649] ? find_held_lock+0x36/0x1c0 [ 381.443714] ? zap_class+0x640/0x640 [ 381.447450] ? pvclock_read_flags+0x160/0x160 [ 381.451945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.457479] ? check_preemption_disabled+0x48/0x280 [ 381.462502] ? __lock_is_held+0xb5/0x140 [ 381.466566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.472102] ? check_preemption_disabled+0x48/0x280 [ 381.477120] run_timer_softirq+0x52/0xb0 [ 381.481231] ? rcu_read_lock_sched_held+0x14f/0x180 [ 381.486246] __do_softirq+0x308/0xb7e [ 381.490057] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 381.494562] ? lock_downgrade+0x900/0x900 [ 381.498730] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 381.503834] ? pvclock_read_flags+0x160/0x160 [ 381.508328] ? lapic_next_event+0x5a/0x90 [ 381.512494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.518034] ? kvm_clock_read+0x18/0x30 [ 381.522043] ? kvm_sched_clock_read+0x9/0x20 [ 381.526469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.532007] ? check_preemption_disabled+0x48/0x280 [ 381.537027] irq_exit+0x17f/0x1c0 [ 381.540484] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.545326] ? smp_reschedule_interrupt+0x109/0x650 [ 381.550341] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.556241] ? interrupt_entry+0xb5/0xc0 [ 381.560302] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.565339] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.570385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.575247] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.580271] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.585291] ? task_prio+0x50/0x50 [ 381.588890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.594441] ? check_preemption_disabled+0x48/0x280 [ 381.599456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.604303] apic_timer_interrupt+0xf/0x20 [ 381.608528] [ 381.610760] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 381.616637] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 381.635533] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 381.643242] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 381.650509] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 381.657777] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 381.665066] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 381.672326] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 381.679618] ? save_stack+0xa9/0xd0 [ 381.683253] __kmalloc_node_track_caller+0x3c/0x70 [ 381.688195] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 381.692956] pskb_expand_head+0x230/0x10f0 [ 381.697198] ? check_preemption_disabled+0x48/0x280 [ 381.702222] ? memcpy+0x45/0x50 [ 381.705503] ? __copy_skb_header+0x350/0x6b0 [ 381.709919] ? skb_release_data+0x880/0x880 [ 381.714247] ? __alloc_skb+0x770/0x770 [ 381.718145] ? __lock_is_held+0xb5/0x140 [ 381.722255] ? kasan_check_write+0x14/0x20 [ 381.726486] ? __skb_clone+0x6c7/0xa00 [ 381.730378] ? __copy_skb_header+0x6b0/0x6b0 [ 381.734787] ? kmem_cache_alloc+0x33a/0x730 [ 381.739142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.744697] skb_ensure_writable+0x3dd/0x640 [ 381.749107] ? skb_checksum_setup+0xaa0/0xaa0 [ 381.753603] ? preempt_notifier_register+0x200/0x200 [ 381.758701] ? __switch_to_asm+0x34/0x70 [ 381.762757] ? __switch_to_asm+0x34/0x70 [ 381.766819] ? __switch_to_asm+0x40/0x70 [ 381.770890] ? __switch_to_asm+0x34/0x70 [ 381.774945] ? __switch_to_asm+0x40/0x70 [ 381.779005] ? __switch_to_asm+0x40/0x70 [ 381.783070] ? __switch_to_asm+0x34/0x70 [ 381.787132] ? __switch_to_asm+0x34/0x70 [ 381.791221] ? __switch_to_asm+0x40/0x70 [ 381.795284] ? __switch_to_asm+0x34/0x70 [ 381.799349] bpf_clone_redirect+0x14a/0x490 [ 381.803679] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 381.808699] ? __sched_text_start+0x8/0x8 [ 381.812851] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 381.817646] ? find_held_lock+0x36/0x1c0 [ 381.821716] ? lock_acquire+0x1ed/0x520 [ 381.825693] ? bpf_test_run+0x3cb/0x780 [ 381.829669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.835211] ? check_preemption_disabled+0x48/0x280 [ 381.840231] ? kasan_check_read+0x11/0x20 [ 381.844397] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.849683] ? rcu_softirq_qs+0x20/0x20 [ 381.853659] ? preempt_schedule+0x4d/0x60 [ 381.857816] ? ___preempt_schedule+0x16/0x18 [ 381.862227] ? bpf_test_run+0x25d/0x780 [ 381.866227] ? netlink_diag_dump+0x2a0/0x2a0 [ 381.870643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.876193] ? bpf_test_init.isra.10+0x70/0x100 [ 381.880870] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 381.885641] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 381.890485] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 381.896022] ? fput+0x130/0x1a0 [ 381.899301] ? __bpf_prog_get+0x9b/0x290 [ 381.903365] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 381.908225] ? bpf_prog_test_run+0x130/0x1a0 [ 381.912636] ? __x64_sys_bpf+0x3db/0x520 [ 381.916694] ? bpf_prog_get+0x20/0x20 [ 381.920523] ? do_syscall_64+0x1b9/0x820 [ 381.924584] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 381.929955] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.934890] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.939908] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 381.944923] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 381.951592] ? __switch_to_asm+0x40/0x70 [ 381.955651] ? __switch_to_asm+0x34/0x70 [ 381.959716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.964567] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.969947] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 381.970030] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.976886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.976891] Call Trace: [ 381.976910] dump_stack+0x244/0x39d [ 381.976934] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.983486] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.992760] warn_alloc.cold.116+0xb7/0x1bd [ 381.995312] syz-executor2 cpuset=syz2 mems_allowed=0 [ 381.998949] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.028808] ? lock_downgrade+0x900/0x900 [ 382.032963] ? trace_hardirqs_off+0xb8/0x310 [ 382.037378] ? trace_hardirqs_off+0xb8/0x310 [ 382.041793] __alloc_pages_slowpath+0x26e8/0x2e10 [ 382.046660] ? warn_alloc+0x120/0x120 [ 382.050504] ? print_usage_bug+0xc0/0xc0 [ 382.054569] ? warn_alloc+0x120/0x120 [ 382.058373] ? warn_alloc+0x120/0x120 [ 382.062182] ? print_usage_bug+0xc0/0xc0 [ 382.066248] ? print_usage_bug+0xc0/0xc0 [ 382.070330] ? __lock_acquire+0x62f/0x4c20 [ 382.074571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.080106] ? should_fail+0x22d/0xd01 [ 382.084011] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.089118] ? __lock_acquire+0x62f/0x4c20 [ 382.093357] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.098490] ? __lock_acquire+0x62f/0x4c20 [ 382.102736] ? should_fail+0x22d/0xd01 [ 382.106621] ? find_held_lock+0x36/0x1c0 [ 382.110698] ? mark_held_locks+0x130/0x130 [ 382.116244] ? mark_held_locks+0x130/0x130 [ 382.120476] ? zap_class+0x640/0x640 [ 382.124199] ? mark_held_locks+0xc7/0x130 [ 382.128349] ? do_raw_spin_unlock+0xa7/0x330 [ 382.132760] ? zap_class+0x640/0x640 [ 382.136472] ? print_usage_bug+0xc0/0xc0 [ 382.140542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.146083] ? check_preemption_disabled+0x48/0x280 [ 382.151124] ? __lock_is_held+0xb5/0x140 [ 382.155199] __alloc_pages_nodemask+0xa80/0xde0 [ 382.159869] ? zap_class+0x640/0x640 [ 382.163587] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 382.168619] ? find_held_lock+0x36/0x1c0 [ 382.172711] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.177379] ? lock_downgrade+0x900/0x900 [ 382.181534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.187106] cache_grow_begin+0xa5/0x8c0 [ 382.191176] ? do_raw_spin_unlock+0xa7/0x330 [ 382.195596] fallback_alloc+0x204/0x2e0 [ 382.199616] ____cache_alloc_node+0x1c7/0x1e0 [ 382.204114] kmem_cache_alloc_node+0xe3/0x730 [ 382.208614] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.213057] __alloc_skb+0x119/0x770 [ 382.216771] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.222055] ? netdev_alloc_frag+0x1f0/0x1f0 [ 382.226464] ? lock_downgrade+0x900/0x900 [ 382.230619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.236189] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.241646] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.247120] ? addrconf_rs_timer+0x690/0x690 [ 382.251536] ndisc_alloc_skb+0x144/0x340 [ 382.255600] ndisc_send_rs+0x331/0x6e0 [ 382.259523] addrconf_rs_timer+0x314/0x690 [ 382.263760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.268010] call_timer_fn+0x272/0x920 [ 382.271899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.276135] ? process_timeout+0x40/0x40 [ 382.280212] ? __run_timers+0x7da/0xc70 [ 382.284198] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.288692] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.293217] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.297469] ? lockdep_hardirqs_on+0x296/0x5b0 [ 382.302071] ? trace_hardirqs_on+0xbd/0x310 [ 382.306399] ? kasan_check_read+0x11/0x20 [ 382.310549] ? __run_timers+0x7da/0xc70 [ 382.314527] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.319638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.323881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.328111] __run_timers+0x7e5/0xc70 [ 382.331923] ? timer_fixup_init+0x70/0x70 [ 382.336068] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.340985] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.345481] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 382.350100] ? trace_hardirqs_on+0xbd/0x310 [ 382.354425] ? kasan_check_read+0x11/0x20 [ 382.358578] ? finish_task_switch+0x1f4/0x910 [ 382.363074] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.368182] ? compat_start_thread+0x80/0x80 [ 382.372612] ? pvclock_read_flags+0x160/0x160 [ 382.377106] ? __switch_to_asm+0x34/0x70 [ 382.381175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.386712] ? check_preemption_disabled+0x48/0x280 [ 382.391739] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 382.397284] ? rcu_pm_notify+0xc0/0xc0 [ 382.401188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.406728] ? check_preemption_disabled+0x48/0x280 [ 382.411748] run_timer_softirq+0x52/0xb0 [ 382.415810] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.420827] __do_softirq+0x308/0xb7e [ 382.424642] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.429747] ? smpboot_thread_fn+0x334/0xa00 [ 382.434167] ? schedule+0x108/0x460 [ 382.437807] ? trace_hardirqs_off+0xb8/0x310 [ 382.442251] ? smpboot_thread_fn+0x68b/0xa00 [ 382.446660] ? trace_hardirqs_on+0x310/0x310 [ 382.451072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.456608] ? check_preemption_disabled+0x48/0x280 [ 382.461637] ? takeover_tasklets+0xa90/0xa90 [ 382.466067] run_ksoftirqd+0x5e/0x100 [ 382.469879] smpboot_thread_fn+0x68b/0xa00 [ 382.474119] ? sort_range+0x30/0x30 [ 382.477750] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.482854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.488390] ? __kthread_parkme+0xfb/0x1a0 [ 382.492640] ? sort_range+0x30/0x30 [ 382.496267] kthread+0x35a/0x440 [ 382.499651] ? kthread_stop+0x900/0x900 [ 382.503646] ret_from_fork+0x3a/0x50 [ 382.507411] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 382.507417] warn_alloc_show_mem: 1 callbacks suppressed [ 382.507424] Mem-Info: [ 382.514776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.520142] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 382.520142] active_file:15 inactive_file:12 isolated_file:0 [ 382.520142] unevictable:0 dirty:0 writeback:0 unstable:0 [ 382.520142] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 382.520142] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 382.520142] free:13769 free_pcp:294 free_cma:0 [ 382.522513] Call Trace: [ 382.531905] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 382.565004] [ 382.567588] 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 [ 382.595448] dump_stack+0x244/0x39d [ 382.597567] lowmem_reserve[]: 0 2818 6321 6321 [ 382.623670] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.627274] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 382.631871] warn_alloc.cold.116+0xb7/0x1bd [ 382.637038] lowmem_reserve[]: 0 0 3503 3503 [ 382.664456] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.668754] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 382.673072] ? lock_downgrade+0x900/0x900 [ 382.677916] lowmem_reserve[]: 0 0 0 0 [ 382.706977] ? trace_hardirqs_off+0xb8/0x310 [ 382.711099] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 382.714898] ? trace_hardirqs_off+0xb8/0x310 [ 382.719278] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 382.732803] __alloc_pages_slowpath+0x26e8/0x2e10 [ 382.737217] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 382.752762] ? warn_alloc+0x120/0x120 [ 382.757567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 382.772291] ? print_usage_bug+0xc0/0xc0 [ 382.776073] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 382.784906] ? warn_alloc+0x120/0x120 [ 382.788945] 12557 total pagecache pages [ 382.797507] ? warn_alloc+0x120/0x120 [ 382.801324] 0 pages in swap cache [ 382.805286] ? print_usage_bug+0xc0/0xc0 [ 382.809077] Swap cache stats: add 0, delete 0, find 0/0 [ 382.812525] ? kvm_clock_read+0x18/0x30 [ 382.816557] Free swap = 0kB [ 382.821912] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 382.825856] Total swap = 0kB [ 382.828876] ? print_usage_bug+0xc0/0xc0 [ 382.833866] 1965979 pages RAM [ 382.836876] ? __lock_acquire+0x62f/0x4c20 [ 382.840908] 0 pages HighMem/MovableOnly [ 382.844035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.848269] 342853 pages reserved [ 382.852240] ? should_fail+0x22d/0xd01 [ 382.857748] 0 pages cma reserved [ 382.861201] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.865130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.868444] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.873796] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.880208] ? __lock_acquire+0x62f/0x4c20 [ 382.885302] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 382.895622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.909623] ? __lock_acquire+0x62f/0x4c20 [ 382.913855] ? should_fail+0x22d/0xd01 [ 382.917740] ? rcu_irq_exit+0x1a2/0x390 [ 382.921740] ? mark_held_locks+0x130/0x130 [ 382.925983] ? mark_held_locks+0x130/0x130 [ 382.930231] ? mark_held_locks+0xc7/0x130 [ 382.934393] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 382.939416] ? zap_class+0x640/0x640 [ 382.943130] ? print_usage_bug+0xc0/0xc0 [ 382.947223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.952765] ? check_preemption_disabled+0x48/0x280 [ 382.957792] ? __lock_is_held+0xb5/0x140 [ 382.961860] __alloc_pages_nodemask+0xa80/0xde0 [ 382.966533] ? zap_class+0x640/0x640 [ 382.970256] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 382.975288] ? find_held_lock+0x36/0x1c0 [ 382.979376] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.984046] ? lock_downgrade+0x900/0x900 [ 382.988223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.993766] cache_grow_begin+0xa5/0x8c0 [ 382.997824] ? do_raw_spin_unlock+0xa7/0x330 [ 383.002247] fallback_alloc+0x204/0x2e0 [ 383.006234] ____cache_alloc_node+0x1c7/0x1e0 [ 383.010733] kmem_cache_alloc_node+0xe3/0x730 [ 383.015233] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.019482] __alloc_skb+0x119/0x770 [ 383.023201] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.028482] ? netdev_alloc_frag+0x1f0/0x1f0 [ 383.032888] ? lock_downgrade+0x900/0x900 [ 383.037041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.042582] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.048050] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.053501] ? addrconf_rs_timer+0x690/0x690 [ 383.057917] ndisc_alloc_skb+0x144/0x340 [ 383.061980] ndisc_send_rs+0x331/0x6e0 [ 383.065871] addrconf_rs_timer+0x314/0x690 [ 383.070124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.074362] call_timer_fn+0x272/0x920 [ 383.078252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.082497] ? process_timeout+0x40/0x40 [ 383.086560] ? __run_timers+0x7da/0xc70 [ 383.090554] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.095059] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.099553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.103800] ? lockdep_hardirqs_on+0x296/0x5b0 [ 383.108378] ? trace_hardirqs_on+0xbd/0x310 [ 383.112695] ? kasan_check_read+0x11/0x20 [ 383.116834] ? __run_timers+0x7da/0xc70 [ 383.120809] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.125929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.130178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.134445] __run_timers+0x7e5/0xc70 [ 383.138259] ? timer_fixup_init+0x70/0x70 [ 383.142412] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.147428] ? zap_class+0x640/0x640 [ 383.151147] ? enqueue_hrtimer+0x1a5/0x560 [ 383.155395] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 383.160591] ? find_held_lock+0x36/0x1c0 [ 383.164657] ? zap_class+0x640/0x640 [ 383.168402] ? pvclock_read_flags+0x160/0x160 [ 383.172905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.178450] ? check_preemption_disabled+0x48/0x280 [ 383.183479] ? __lock_is_held+0xb5/0x140 [ 383.187542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.193081] ? check_preemption_disabled+0x48/0x280 [ 383.198099] run_timer_softirq+0x52/0xb0 [ 383.202166] ? rcu_read_lock_sched_held+0x14f/0x180 [ 383.207207] __do_softirq+0x308/0xb7e [ 383.211484] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 383.216001] ? lock_downgrade+0x900/0x900 [ 383.220185] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 383.225313] ? pvclock_read_flags+0x160/0x160 [ 383.229828] ? lapic_next_event+0x5a/0x90 [ 383.233980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.239539] ? kvm_clock_read+0x18/0x30 [ 383.243514] ? kvm_sched_clock_read+0x9/0x20 [ 383.247926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.253491] ? check_preemption_disabled+0x48/0x280 [ 383.258534] irq_exit+0x17f/0x1c0 [ 383.261986] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.266842] ? smp_reschedule_interrupt+0x109/0x650 [ 383.271860] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.277754] ? interrupt_entry+0xb5/0xc0 [ 383.281819] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.286836] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.291852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.296695] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.301712] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.306727] ? task_prio+0x50/0x50 [ 383.310283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.315820] ? check_preemption_disabled+0x48/0x280 [ 383.320842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.325694] apic_timer_interrupt+0xf/0x20 [ 383.329926] [ 383.332174] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 383.338058] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 383.357116] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 383.364821] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 383.372099] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 383.379365] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 383.386648] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 383.393914] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 383.401230] ? save_stack+0xa9/0xd0 [ 383.404868] __kmalloc_node_track_caller+0x3c/0x70 [ 383.409814] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 383.414592] pskb_expand_head+0x230/0x10f0 [ 383.418824] ? check_preemption_disabled+0x48/0x280 [ 383.423847] ? memcpy+0x45/0x50 [ 383.427130] ? __copy_skb_header+0x350/0x6b0 [ 383.431560] ? skb_release_data+0x880/0x880 [ 383.435897] ? __alloc_skb+0x770/0x770 [ 383.439806] ? __lock_is_held+0xb5/0x140 [ 383.443871] ? kasan_check_write+0x14/0x20 [ 383.448122] ? __skb_clone+0x6c7/0xa00 [ 383.452039] ? __copy_skb_header+0x6b0/0x6b0 [ 383.456442] ? kmem_cache_alloc+0x33a/0x730 [ 383.460780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.466325] skb_ensure_writable+0x3dd/0x640 [ 383.470738] ? skb_checksum_setup+0xaa0/0xaa0 [ 383.475240] ? preempt_notifier_register+0x200/0x200 [ 383.480339] ? __switch_to_asm+0x34/0x70 [ 383.484399] ? __switch_to_asm+0x34/0x70 [ 383.488460] ? __switch_to_asm+0x40/0x70 [ 383.492519] ? __switch_to_asm+0x34/0x70 [ 383.496577] ? __switch_to_asm+0x40/0x70 [ 383.500637] ? __switch_to_asm+0x40/0x70 [ 383.504711] ? __switch_to_asm+0x34/0x70 [ 383.508770] ? __switch_to_asm+0x34/0x70 [ 383.512843] ? __switch_to_asm+0x40/0x70 [ 383.516920] ? __switch_to_asm+0x34/0x70 [ 383.521005] bpf_clone_redirect+0x14a/0x490 [ 383.525340] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 383.530361] ? __sched_text_start+0x8/0x8 [ 383.534509] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 383.539278] ? find_held_lock+0x36/0x1c0 [ 383.543355] ? lock_acquire+0x1ed/0x520 [ 383.547337] ? bpf_test_run+0x3cb/0x780 [ 383.551323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.556862] ? check_preemption_disabled+0x48/0x280 [ 383.561881] ? kasan_check_read+0x11/0x20 [ 383.566030] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.571310] ? rcu_softirq_qs+0x20/0x20 [ 383.575302] ? preempt_schedule+0x4d/0x60 [ 383.579453] ? ___preempt_schedule+0x16/0x18 [ 383.583868] ? bpf_test_run+0x25d/0x780 [ 383.587852] ? netlink_diag_dump+0x2a0/0x2a0 [ 383.592282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.597814] ? bpf_test_init.isra.10+0x70/0x100 [ 383.602490] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 383.607271] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 383.612113] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 383.617674] ? fput+0x130/0x1a0 [ 383.620957] ? __bpf_prog_get+0x9b/0x290 [ 383.625019] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 383.629859] ? bpf_prog_test_run+0x130/0x1a0 [ 383.634279] ? __x64_sys_bpf+0x3db/0x520 [ 383.638357] ? bpf_prog_get+0x20/0x20 [ 383.642189] ? do_syscall_64+0x1b9/0x820 [ 383.646250] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 383.651619] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.656549] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.661563] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 383.666586] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 383.673248] ? __switch_to_asm+0x40/0x70 [ 383.677308] ? __switch_to_asm+0x34/0x70 [ 383.681376] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.686224] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.691606] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 383.691689] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.698552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.698557] Call Trace: [ 383.698578] dump_stack+0x244/0x39d [ 383.698600] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.705172] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.714434] warn_alloc.cold.116+0xb7/0x1bd [ 383.716999] syz-executor2 cpuset=syz2 mems_allowed=0 [ 383.720616] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.750506] ? lock_downgrade+0x900/0x900 [ 383.754666] ? trace_hardirqs_off+0xb8/0x310 [ 383.759090] ? trace_hardirqs_off+0xb8/0x310 [ 383.763505] __alloc_pages_slowpath+0x26e8/0x2e10 [ 383.768419] ? warn_alloc+0x120/0x120 [ 383.772222] ? print_usage_bug+0xc0/0xc0 [ 383.776289] ? warn_alloc+0x120/0x120 [ 383.780097] ? warn_alloc+0x120/0x120 [ 383.783896] ? print_usage_bug+0xc0/0xc0 [ 383.787963] ? print_usage_bug+0xc0/0xc0 [ 383.792023] ? __lock_acquire+0x62f/0x4c20 [ 383.796260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.801798] ? should_fail+0x22d/0xd01 [ 383.805694] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.810801] ? __lock_acquire+0x62f/0x4c20 [ 383.815040] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.820144] ? __lock_acquire+0x62f/0x4c20 [ 383.824382] ? should_fail+0x22d/0xd01 [ 383.828269] ? find_held_lock+0x36/0x1c0 [ 383.832387] ? mark_held_locks+0x130/0x130 [ 383.836628] ? mark_held_locks+0x130/0x130 [ 383.840890] ? zap_class+0x640/0x640 [ 383.844615] ? mark_held_locks+0xc7/0x130 [ 383.848761] ? do_raw_spin_unlock+0xa7/0x330 [ 383.853176] ? zap_class+0x640/0x640 [ 383.856892] ? print_usage_bug+0xc0/0xc0 [ 383.860998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.866535] ? check_preemption_disabled+0x48/0x280 [ 383.871560] ? __lock_is_held+0xb5/0x140 [ 383.875624] __alloc_pages_nodemask+0xa80/0xde0 [ 383.880303] ? zap_class+0x640/0x640 [ 383.884021] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 383.889051] ? find_held_lock+0x36/0x1c0 [ 383.893121] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.897805] ? lock_downgrade+0x900/0x900 [ 383.901975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.907517] cache_grow_begin+0xa5/0x8c0 [ 383.911579] ? do_raw_spin_unlock+0xa7/0x330 [ 383.915992] fallback_alloc+0x204/0x2e0 [ 383.919991] ____cache_alloc_node+0x1c7/0x1e0 [ 383.924511] kmem_cache_alloc_node+0xe3/0x730 [ 383.929023] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.933273] __alloc_skb+0x119/0x770 [ 383.936985] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.942272] ? netdev_alloc_frag+0x1f0/0x1f0 [ 383.946688] ? lock_downgrade+0x900/0x900 [ 383.950843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.956377] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.961834] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.967286] ? addrconf_rs_timer+0x690/0x690 [ 383.971710] ndisc_alloc_skb+0x144/0x340 [ 383.975790] ndisc_send_rs+0x331/0x6e0 [ 383.979692] addrconf_rs_timer+0x314/0x690 [ 383.983934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.988188] call_timer_fn+0x272/0x920 [ 383.992079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.996316] ? process_timeout+0x40/0x40 [ 384.000385] ? __run_timers+0x7da/0xc70 [ 384.004361] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.008855] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.013353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.017594] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.022186] ? trace_hardirqs_on+0xbd/0x310 [ 384.026509] ? kasan_check_read+0x11/0x20 [ 384.030655] ? __run_timers+0x7da/0xc70 [ 384.034634] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.039800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.044044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.048279] __run_timers+0x7e5/0xc70 [ 384.052090] ? timer_fixup_init+0x70/0x70 [ 384.056245] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.060739] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.065239] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 384.069823] ? trace_hardirqs_on+0xbd/0x310 [ 384.074146] ? kasan_check_read+0x11/0x20 [ 384.078309] ? finish_task_switch+0x1f4/0x910 [ 384.082813] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.087918] ? compat_start_thread+0x80/0x80 [ 384.092354] ? pvclock_read_flags+0x160/0x160 [ 384.096852] ? __switch_to_asm+0x34/0x70 [ 384.100928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.106468] ? check_preemption_disabled+0x48/0x280 [ 384.111508] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 384.117051] ? rcu_pm_notify+0xc0/0xc0 [ 384.120940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.126483] ? check_preemption_disabled+0x48/0x280 [ 384.131510] run_timer_softirq+0x52/0xb0 [ 384.135571] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.140588] __do_softirq+0x308/0xb7e [ 384.144404] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.149514] ? smpboot_thread_fn+0x334/0xa00 [ 384.153928] ? schedule+0x108/0x460 [ 384.157568] ? trace_hardirqs_off+0xb8/0x310 [ 384.161983] ? smpboot_thread_fn+0x68b/0xa00 [ 384.166396] ? trace_hardirqs_on+0x310/0x310 [ 384.170810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.176349] ? check_preemption_disabled+0x48/0x280 [ 384.181367] ? takeover_tasklets+0xa90/0xa90 [ 384.185781] run_ksoftirqd+0x5e/0x100 [ 384.189585] smpboot_thread_fn+0x68b/0xa00 [ 384.193841] ? sort_range+0x30/0x30 [ 384.197502] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.202619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.208156] ? __kthread_parkme+0xfb/0x1a0 [ 384.212555] ? sort_range+0x30/0x30 [ 384.216188] kthread+0x35a/0x440 [ 384.219557] ? kthread_stop+0x900/0x900 [ 384.223536] ret_from_fork+0x3a/0x50 [ 384.227270] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 384.227275] warn_alloc_show_mem: 1 callbacks suppressed [ 384.227283] Mem-Info: [ 384.234637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.240015] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 384.240015] active_file:15 inactive_file:12 isolated_file:0 [ 384.240015] unevictable:0 dirty:0 writeback:0 unstable:0 [ 384.240015] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 384.240015] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 384.240015] free:13769 free_pcp:294 free_cma:0 [ 384.242369] Call Trace: [ 384.251757] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 384.284857] [ 384.287440] 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 [ 384.315281] dump_stack+0x244/0x39d [ 384.317412] lowmem_reserve[]: 0 2818 6321 6321 [ 384.343517] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.347117] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 384.351708] warn_alloc.cold.116+0xb7/0x1bd [ 384.356865] lowmem_reserve[]: 0 0 3503 3503 [ 384.384271] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.388581] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 384.392900] ? lock_downgrade+0x900/0x900 [ 384.397719] lowmem_reserve[]: 0 0 0 0 [ 384.426821] ? trace_hardirqs_off+0xb8/0x310 [ 384.430939] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 384.434732] ? trace_hardirqs_off+0xb8/0x310 [ 384.439110] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 384.452629] __alloc_pages_slowpath+0x26e8/0x2e10 [ 384.457011] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 384.472543] ? warn_alloc+0x120/0x120 [ 384.477345] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 384.492069] ? print_usage_bug+0xc0/0xc0 [ 384.495851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 384.504689] ? warn_alloc+0x120/0x120 [ 384.508725] 12557 total pagecache pages [ 384.517293] ? warn_alloc+0x120/0x120 [ 384.521090] 0 pages in swap cache [ 384.525061] ? print_usage_bug+0xc0/0xc0 [ 384.528840] Swap cache stats: add 0, delete 0, find 0/0 [ 384.532282] ? kvm_clock_read+0x18/0x30 [ 384.536317] Free swap = 0kB [ 384.541674] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 384.545624] Total swap = 0kB [ 384.548633] ? print_usage_bug+0xc0/0xc0 [ 384.553621] 1965979 pages RAM [ 384.556632] ? __lock_acquire+0x62f/0x4c20 [ 384.560666] 0 pages HighMem/MovableOnly [ 384.563763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.567971] 342853 pages reserved [ 384.571937] ? should_fail+0x22d/0xd01 [ 384.577444] 0 pages cma reserved [ 384.580902] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.584829] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.588118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.593448] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.599864] ? __lock_acquire+0x62f/0x4c20 [ 384.604944] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 384.615248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.629219] ? __lock_acquire+0x62f/0x4c20 [ 384.633478] ? should_fail+0x22d/0xd01 [ 384.637383] ? rcu_irq_exit+0x1a2/0x390 [ 384.641374] ? mark_held_locks+0x130/0x130 [ 384.645637] ? mark_held_locks+0x130/0x130 [ 384.649872] ? mark_held_locks+0xc7/0x130 [ 384.654017] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 384.659037] ? zap_class+0x640/0x640 [ 384.662750] ? print_usage_bug+0xc0/0xc0 [ 384.666861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.672404] ? check_preemption_disabled+0x48/0x280 [ 384.677432] ? __lock_is_held+0xb5/0x140 [ 384.681502] __alloc_pages_nodemask+0xa80/0xde0 [ 384.686182] ? zap_class+0x640/0x640 [ 384.689908] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 384.694934] ? find_held_lock+0x36/0x1c0 [ 384.699004] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.703672] ? lock_downgrade+0x900/0x900 [ 384.707828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.713392] cache_grow_begin+0xa5/0x8c0 [ 384.717465] ? do_raw_spin_unlock+0xa7/0x330 [ 384.721882] fallback_alloc+0x204/0x2e0 [ 384.725867] ____cache_alloc_node+0x1c7/0x1e0 [ 384.730369] kmem_cache_alloc_node+0xe3/0x730 [ 384.734880] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.739125] __alloc_skb+0x119/0x770 [ 384.742844] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.748127] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.752540] ? lock_downgrade+0x900/0x900 [ 384.756696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.762241] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.767709] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.773153] ? addrconf_rs_timer+0x690/0x690 [ 384.777589] ndisc_alloc_skb+0x144/0x340 [ 384.781671] ndisc_send_rs+0x331/0x6e0 [ 384.785576] addrconf_rs_timer+0x314/0x690 [ 384.789822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.794068] call_timer_fn+0x272/0x920 [ 384.797951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.802222] ? process_timeout+0x40/0x40 [ 384.806292] ? __run_timers+0x7da/0xc70 [ 384.810268] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.814764] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.819255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.823507] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.828092] ? trace_hardirqs_on+0xbd/0x310 [ 384.832431] ? kasan_check_read+0x11/0x20 [ 384.836596] ? __run_timers+0x7da/0xc70 [ 384.840583] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.845688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.849927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.854179] __run_timers+0x7e5/0xc70 [ 384.857990] ? timer_fixup_init+0x70/0x70 [ 384.862137] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.867175] ? zap_class+0x640/0x640 [ 384.870891] ? enqueue_hrtimer+0x1a5/0x560 [ 384.875130] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 384.880340] ? find_held_lock+0x36/0x1c0 [ 384.884405] ? zap_class+0x640/0x640 [ 384.888126] ? pvclock_read_flags+0x160/0x160 [ 384.892643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.898190] ? check_preemption_disabled+0x48/0x280 [ 384.903218] ? __lock_is_held+0xb5/0x140 [ 384.907286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.912824] ? check_preemption_disabled+0x48/0x280 [ 384.917850] run_timer_softirq+0x52/0xb0 [ 384.921911] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.926931] __do_softirq+0x308/0xb7e [ 384.930738] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 384.935250] ? lock_downgrade+0x900/0x900 [ 384.939416] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.944528] ? pvclock_read_flags+0x160/0x160 [ 384.949028] ? lapic_next_event+0x5a/0x90 [ 384.953190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.958731] ? kvm_clock_read+0x18/0x30 [ 384.962709] ? kvm_sched_clock_read+0x9/0x20 [ 384.967121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.972672] ? check_preemption_disabled+0x48/0x280 [ 384.977703] irq_exit+0x17f/0x1c0 [ 384.981174] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.986016] ? smp_reschedule_interrupt+0x109/0x650 [ 384.991034] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.996922] ? interrupt_entry+0xb5/0xc0 [ 385.000985] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.005999] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.011019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.015863] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.020876] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.025894] ? task_prio+0x50/0x50 [ 385.029446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.035014] ? check_preemption_disabled+0x48/0x280 [ 385.040037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.044889] apic_timer_interrupt+0xf/0x20 [ 385.049114] [ 385.051351] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 385.057236] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 385.076146] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 385.083877] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 385.091141] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 385.098422] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 385.105690] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 385.112970] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 385.120263] ? save_stack+0xa9/0xd0 [ 385.123899] __kmalloc_node_track_caller+0x3c/0x70 [ 385.128829] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 385.133593] pskb_expand_head+0x230/0x10f0 [ 385.137831] ? check_preemption_disabled+0x48/0x280 [ 385.142864] ? memcpy+0x45/0x50 [ 385.146176] ? __copy_skb_header+0x350/0x6b0 [ 385.150589] ? skb_release_data+0x880/0x880 [ 385.154906] ? __alloc_skb+0x770/0x770 [ 385.158798] ? __lock_is_held+0xb5/0x140 [ 385.162867] ? kasan_check_write+0x14/0x20 [ 385.167115] ? __skb_clone+0x6c7/0xa00 [ 385.171032] ? __copy_skb_header+0x6b0/0x6b0 [ 385.175439] ? kmem_cache_alloc+0x33a/0x730 [ 385.179780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.185325] skb_ensure_writable+0x3dd/0x640 [ 385.189758] ? skb_checksum_setup+0xaa0/0xaa0 [ 385.194256] ? preempt_notifier_register+0x200/0x200 [ 385.199357] ? __switch_to_asm+0x34/0x70 [ 385.203429] ? __switch_to_asm+0x34/0x70 [ 385.207505] ? __switch_to_asm+0x40/0x70 [ 385.211559] ? __switch_to_asm+0x34/0x70 [ 385.215616] ? __switch_to_asm+0x40/0x70 [ 385.219676] ? __switch_to_asm+0x40/0x70 [ 385.223737] ? __switch_to_asm+0x34/0x70 [ 385.227794] ? __switch_to_asm+0x34/0x70 [ 385.231857] ? __switch_to_asm+0x40/0x70 [ 385.235915] ? __switch_to_asm+0x34/0x70 [ 385.239979] bpf_clone_redirect+0x14a/0x490 [ 385.244304] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 385.249334] ? __sched_text_start+0x8/0x8 [ 385.253479] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 385.258258] ? find_held_lock+0x36/0x1c0 [ 385.262343] ? lock_acquire+0x1ed/0x520 [ 385.266311] ? bpf_test_run+0x3cb/0x780 [ 385.270282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.275831] ? check_preemption_disabled+0x48/0x280 [ 385.280852] ? kasan_check_read+0x11/0x20 [ 385.284994] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.290265] ? rcu_softirq_qs+0x20/0x20 [ 385.294244] ? preempt_schedule+0x4d/0x60 [ 385.298392] ? ___preempt_schedule+0x16/0x18 [ 385.302807] ? bpf_test_run+0x25d/0x780 [ 385.306796] ? netlink_diag_dump+0x2a0/0x2a0 [ 385.311229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.316774] ? bpf_test_init.isra.10+0x70/0x100 [ 385.321469] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 385.326247] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 385.331106] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 385.336643] ? fput+0x130/0x1a0 [ 385.339938] ? __bpf_prog_get+0x9b/0x290 [ 385.344228] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 385.349087] ? bpf_prog_test_run+0x130/0x1a0 [ 385.353501] ? __x64_sys_bpf+0x3db/0x520 [ 385.357574] ? bpf_prog_get+0x20/0x20 [ 385.361416] ? do_syscall_64+0x1b9/0x820 [ 385.365479] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 385.370846] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.375778] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.380796] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 385.385817] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 385.392520] ? __switch_to_asm+0x40/0x70 [ 385.396590] ? __switch_to_asm+0x34/0x70 [ 385.400716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.405569] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.410946] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 385.411013] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.417868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.417874] Call Trace: [ 385.417892] dump_stack+0x244/0x39d [ 385.417917] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.424464] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.433747] warn_alloc.cold.116+0xb7/0x1bd [ 385.436299] syz-executor2 cpuset=syz2 mems_allowed=0 [ 385.439919] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.469768] ? lock_downgrade+0x900/0x900 [ 385.473925] ? trace_hardirqs_off+0xb8/0x310 [ 385.478339] ? trace_hardirqs_off+0xb8/0x310 [ 385.482770] __alloc_pages_slowpath+0x26e8/0x2e10 [ 385.487683] ? warn_alloc+0x120/0x120 [ 385.491501] ? print_usage_bug+0xc0/0xc0 [ 385.495568] ? warn_alloc+0x120/0x120 [ 385.499377] ? warn_alloc+0x120/0x120 [ 385.503183] ? print_usage_bug+0xc0/0xc0 [ 385.507251] ? print_usage_bug+0xc0/0xc0 [ 385.511312] ? __lock_acquire+0x62f/0x4c20 [ 385.515552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.521094] ? should_fail+0x22d/0xd01 [ 385.524988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.530089] ? __lock_acquire+0x62f/0x4c20 [ 385.534328] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.539431] ? __lock_acquire+0x62f/0x4c20 [ 385.543682] ? should_fail+0x22d/0xd01 [ 385.547568] ? find_held_lock+0x36/0x1c0 [ 385.551635] ? mark_held_locks+0x130/0x130 [ 385.555892] ? mark_held_locks+0x130/0x130 [ 385.560123] ? zap_class+0x640/0x640 [ 385.563853] ? mark_held_locks+0xc7/0x130 [ 385.567999] ? do_raw_spin_unlock+0xa7/0x330 [ 385.572405] ? zap_class+0x640/0x640 [ 385.576130] ? print_usage_bug+0xc0/0xc0 [ 385.580215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.585771] ? check_preemption_disabled+0x48/0x280 [ 385.590795] ? __lock_is_held+0xb5/0x140 [ 385.594864] __alloc_pages_nodemask+0xa80/0xde0 [ 385.599525] ? zap_class+0x640/0x640 [ 385.603241] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 385.608268] ? find_held_lock+0x36/0x1c0 [ 385.612334] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.617002] ? lock_downgrade+0x900/0x900 [ 385.621169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.626712] cache_grow_begin+0xa5/0x8c0 [ 385.630771] ? do_raw_spin_unlock+0xa7/0x330 [ 385.635238] fallback_alloc+0x204/0x2e0 [ 385.639221] ____cache_alloc_node+0x1c7/0x1e0 [ 385.643721] kmem_cache_alloc_node+0xe3/0x730 [ 385.648218] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.652470] __alloc_skb+0x119/0x770 [ 385.656189] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.661471] ? netdev_alloc_frag+0x1f0/0x1f0 [ 385.665884] ? lock_downgrade+0x900/0x900 [ 385.670040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.675577] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.681031] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.686481] ? addrconf_rs_timer+0x690/0x690 [ 385.690904] ndisc_alloc_skb+0x144/0x340 [ 385.694972] ndisc_send_rs+0x331/0x6e0 [ 385.698879] addrconf_rs_timer+0x314/0x690 [ 385.703116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.707360] call_timer_fn+0x272/0x920 [ 385.711254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.715522] ? process_timeout+0x40/0x40 [ 385.719591] ? __run_timers+0x7da/0xc70 [ 385.723567] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.728058] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.732549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.736786] ? lockdep_hardirqs_on+0x296/0x5b0 [ 385.741381] ? trace_hardirqs_on+0xbd/0x310 [ 385.745701] ? kasan_check_read+0x11/0x20 [ 385.749848] ? __run_timers+0x7da/0xc70 [ 385.753822] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.758929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.763171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.767402] __run_timers+0x7e5/0xc70 [ 385.771206] ? timer_fixup_init+0x70/0x70 [ 385.775378] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.779921] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.784417] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 385.789016] ? trace_hardirqs_on+0xbd/0x310 [ 385.793338] ? kasan_check_read+0x11/0x20 [ 385.797490] ? finish_task_switch+0x1f4/0x910 [ 385.801986] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.807086] ? compat_start_thread+0x80/0x80 [ 385.811516] ? pvclock_read_flags+0x160/0x160 [ 385.816007] ? __switch_to_asm+0x34/0x70 [ 385.820070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.825620] ? check_preemption_disabled+0x48/0x280 [ 385.830649] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 385.836237] ? rcu_pm_notify+0xc0/0xc0 [ 385.840139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.845690] ? check_preemption_disabled+0x48/0x280 [ 385.850711] run_timer_softirq+0x52/0xb0 [ 385.854788] ? rcu_read_lock_sched_held+0x14f/0x180 [ 385.859819] __do_softirq+0x308/0xb7e [ 385.863636] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 385.868747] ? smpboot_thread_fn+0x334/0xa00 [ 385.873170] ? schedule+0x108/0x460 [ 385.876806] ? trace_hardirqs_off+0xb8/0x310 [ 385.881213] ? smpboot_thread_fn+0x68b/0xa00 [ 385.885644] ? trace_hardirqs_on+0x310/0x310 [ 385.890059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.895600] ? check_preemption_disabled+0x48/0x280 [ 385.900632] ? takeover_tasklets+0xa90/0xa90 [ 385.905046] run_ksoftirqd+0x5e/0x100 [ 385.908846] smpboot_thread_fn+0x68b/0xa00 [ 385.913089] ? sort_range+0x30/0x30 [ 385.916721] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.921861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.927416] ? __kthread_parkme+0xfb/0x1a0 [ 385.931659] ? sort_range+0x30/0x30 [ 385.935311] kthread+0x35a/0x440 [ 385.938709] ? kthread_stop+0x900/0x900 [ 385.942702] ret_from_fork+0x3a/0x50 [ 385.946467] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 385.946472] warn_alloc_show_mem: 1 callbacks suppressed [ 385.946480] Mem-Info: [ 385.953831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.959205] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 385.959205] active_file:15 inactive_file:12 isolated_file:0 [ 385.959205] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.959205] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 385.959205] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 385.959205] free:13769 free_pcp:294 free_cma:0 [ 385.961574] Call Trace: [ 385.970961] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 386.004060] [ 386.006626] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 386.034477] dump_stack+0x244/0x39d [ 386.036600] lowmem_reserve[]: 0 2818 6321 6321 [ 386.062700] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.066299] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 386.070879] warn_alloc.cold.116+0xb7/0x1bd [ 386.076032] lowmem_reserve[]: 0 0 3503 3503 [ 386.103437] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.107737] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 386.112054] ? lock_downgrade+0x900/0x900 [ 386.116873] lowmem_reserve[]: 0 0 0 0 [ 386.145957] ? trace_hardirqs_off+0xb8/0x310 [ 386.150076] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 386.153874] ? trace_hardirqs_off+0xb8/0x310 [ 386.158255] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 386.171774] __alloc_pages_slowpath+0x26e8/0x2e10 [ 386.176152] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 386.191695] ? warn_alloc+0x120/0x120 [ 386.196505] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 386.211761] ? print_usage_bug+0xc0/0xc0 [ 386.215544] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 386.224367] ? warn_alloc+0x120/0x120 [ 386.228403] 12557 total pagecache pages [ 386.236967] ? warn_alloc+0x120/0x120 [ 386.240744] 0 pages in swap cache [ 386.244708] ? print_usage_bug+0xc0/0xc0 [ 386.248485] Swap cache stats: add 0, delete 0, find 0/0 [ 386.251923] ? kvm_clock_read+0x18/0x30 [ 386.255955] Free swap = 0kB [ 386.261309] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 386.265317] Total swap = 0kB [ 386.268324] ? print_usage_bug+0xc0/0xc0 [ 386.273314] 1965979 pages RAM [ 386.276325] ? __lock_acquire+0x62f/0x4c20 [ 386.280366] 0 pages HighMem/MovableOnly [ 386.283468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.287675] 342853 pages reserved [ 386.291639] ? should_fail+0x22d/0xd01 [ 386.297148] 0 pages cma reserved [ 386.300606] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.304533] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.307830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.313203] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.319574] ? __lock_acquire+0x62f/0x4c20 [ 386.324650] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 386.334953] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.348929] ? __lock_acquire+0x62f/0x4c20 [ 386.353168] ? should_fail+0x22d/0xd01 [ 386.357072] ? rcu_irq_exit+0x1a2/0x390 [ 386.361055] ? mark_held_locks+0x130/0x130 [ 386.365297] ? mark_held_locks+0x130/0x130 [ 386.369538] ? mark_held_locks+0xc7/0x130 [ 386.373687] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 386.378703] ? zap_class+0x640/0x640 [ 386.382436] ? print_usage_bug+0xc0/0xc0 [ 386.386517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.392073] ? check_preemption_disabled+0x48/0x280 [ 386.397098] ? __lock_is_held+0xb5/0x140 [ 386.401178] __alloc_pages_nodemask+0xa80/0xde0 [ 386.405852] ? zap_class+0x640/0x640 [ 386.409572] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 386.414601] ? find_held_lock+0x36/0x1c0 [ 386.418689] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.423391] ? lock_downgrade+0x900/0x900 [ 386.427553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.433098] cache_grow_begin+0xa5/0x8c0 [ 386.437212] ? do_raw_spin_unlock+0xa7/0x330 [ 386.441633] fallback_alloc+0x204/0x2e0 [ 386.445613] ____cache_alloc_node+0x1c7/0x1e0 [ 386.450129] kmem_cache_alloc_node+0xe3/0x730 [ 386.454651] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.458893] __alloc_skb+0x119/0x770 [ 386.462618] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.467928] ? netdev_alloc_frag+0x1f0/0x1f0 [ 386.472340] ? lock_downgrade+0x900/0x900 [ 386.476493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.482027] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.487477] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.492940] ? addrconf_rs_timer+0x690/0x690 [ 386.497356] ndisc_alloc_skb+0x144/0x340 [ 386.501422] ndisc_send_rs+0x331/0x6e0 [ 386.505331] addrconf_rs_timer+0x314/0x690 [ 386.509572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.513812] call_timer_fn+0x272/0x920 [ 386.517695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.521931] ? process_timeout+0x40/0x40 [ 386.526001] ? __run_timers+0x7da/0xc70 [ 386.529977] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.534469] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.538959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.543202] ? lockdep_hardirqs_on+0x296/0x5b0 [ 386.547790] ? trace_hardirqs_on+0xbd/0x310 [ 386.552107] ? kasan_check_read+0x11/0x20 [ 386.556269] ? __run_timers+0x7da/0xc70 [ 386.560247] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.565354] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.569592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.573826] __run_timers+0x7e5/0xc70 [ 386.577635] ? timer_fixup_init+0x70/0x70 [ 386.581789] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 386.586806] ? zap_class+0x640/0x640 [ 386.590522] ? enqueue_hrtimer+0x1a5/0x560 [ 386.594757] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 386.599948] ? find_held_lock+0x36/0x1c0 [ 386.604037] ? zap_class+0x640/0x640 [ 386.607780] ? pvclock_read_flags+0x160/0x160 [ 386.612294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.617830] ? check_preemption_disabled+0x48/0x280 [ 386.622869] ? __lock_is_held+0xb5/0x140 [ 386.626929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.632499] ? check_preemption_disabled+0x48/0x280 [ 386.637519] run_timer_softirq+0x52/0xb0 [ 386.641580] ? rcu_read_lock_sched_held+0x14f/0x180 [ 386.646613] __do_softirq+0x308/0xb7e [ 386.650417] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 386.654912] ? lock_downgrade+0x900/0x900 [ 386.659066] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.664189] ? pvclock_read_flags+0x160/0x160 [ 386.668705] ? lapic_next_event+0x5a/0x90 [ 386.672868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.678424] ? kvm_clock_read+0x18/0x30 [ 386.682397] ? kvm_sched_clock_read+0x9/0x20 [ 386.686807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.692346] ? check_preemption_disabled+0x48/0x280 [ 386.697371] irq_exit+0x17f/0x1c0 [ 386.700824] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.705699] ? smp_reschedule_interrupt+0x109/0x650 [ 386.710719] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.716608] ? interrupt_entry+0xb5/0xc0 [ 386.720669] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.725686] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.730703] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.735560] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.740575] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.745588] ? task_prio+0x50/0x50 [ 386.749138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.754700] ? check_preemption_disabled+0x48/0x280 [ 386.759719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.764564] apic_timer_interrupt+0xf/0x20 [ 386.768804] [ 386.771043] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 386.776926] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 386.795818] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 386.803517] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 386.810780] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 386.818047] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 386.825329] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 386.832593] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 386.839885] ? save_stack+0xa9/0xd0 [ 386.843520] __kmalloc_node_track_caller+0x3c/0x70 [ 386.848466] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 386.853228] pskb_expand_head+0x230/0x10f0 [ 386.857464] ? check_preemption_disabled+0x48/0x280 [ 386.862483] ? memcpy+0x45/0x50 [ 386.865762] ? __copy_skb_header+0x350/0x6b0 [ 386.870180] ? skb_release_data+0x880/0x880 [ 386.874521] ? __alloc_skb+0x770/0x770 [ 386.878430] ? __lock_is_held+0xb5/0x140 [ 386.882499] ? kasan_check_write+0x14/0x20 [ 386.886731] ? __skb_clone+0x6c7/0xa00 [ 386.890623] ? __copy_skb_header+0x6b0/0x6b0 [ 386.895029] ? kmem_cache_alloc+0x33a/0x730 [ 386.899353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.904896] skb_ensure_writable+0x3dd/0x640 [ 386.909328] ? skb_checksum_setup+0xaa0/0xaa0 [ 386.913829] ? preempt_notifier_register+0x200/0x200 [ 386.918933] ? __switch_to_asm+0x34/0x70 [ 386.922994] ? __switch_to_asm+0x34/0x70 [ 386.927057] ? __switch_to_asm+0x40/0x70 [ 386.931113] ? __switch_to_asm+0x34/0x70 [ 386.935182] ? __switch_to_asm+0x40/0x70 [ 386.939245] ? __switch_to_asm+0x40/0x70 [ 386.943303] ? __switch_to_asm+0x34/0x70 [ 386.947361] ? __switch_to_asm+0x34/0x70 [ 386.951423] ? __switch_to_asm+0x40/0x70 [ 386.955483] ? __switch_to_asm+0x34/0x70 [ 386.959550] bpf_clone_redirect+0x14a/0x490 [ 386.963878] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 386.968895] ? __sched_text_start+0x8/0x8 [ 386.973043] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 386.977808] ? find_held_lock+0x36/0x1c0 [ 386.981875] ? lock_acquire+0x1ed/0x520 [ 386.985852] ? bpf_test_run+0x3cb/0x780 [ 386.989828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.995366] ? check_preemption_disabled+0x48/0x280 [ 387.000405] ? kasan_check_read+0x11/0x20 [ 387.004584] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.009864] ? rcu_softirq_qs+0x20/0x20 [ 387.013841] ? preempt_schedule+0x4d/0x60 [ 387.017986] ? ___preempt_schedule+0x16/0x18 [ 387.022402] ? bpf_test_run+0x25d/0x780 [ 387.026387] ? netlink_diag_dump+0x2a0/0x2a0 [ 387.030825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.036415] ? bpf_test_init.isra.10+0x70/0x100 [ 387.041085] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 387.045848] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.050683] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 387.056230] ? fput+0x130/0x1a0 [ 387.059539] ? __bpf_prog_get+0x9b/0x290 [ 387.063600] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.068440] ? bpf_prog_test_run+0x130/0x1a0 [ 387.072849] ? __x64_sys_bpf+0x3db/0x520 [ 387.076912] ? bpf_prog_get+0x20/0x20 [ 387.080735] ? do_syscall_64+0x1b9/0x820 [ 387.084794] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 387.090155] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.095099] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.100136] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 387.105196] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 387.111863] ? __switch_to_asm+0x40/0x70 [ 387.115922] ? __switch_to_asm+0x34/0x70 [ 387.119991] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.124843] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.130224] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 387.130293] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.137145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.137151] Call Trace: [ 387.137178] dump_stack+0x244/0x39d [ 387.137198] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.137224] warn_alloc.cold.116+0xb7/0x1bd [ 387.143799] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.153056] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.155615] syz-executor2 cpuset=syz2 mems_allowed=0 [ 387.159238] ? lock_downgrade+0x900/0x900 [ 387.193320] ? trace_hardirqs_off+0xb8/0x310 [ 387.197741] ? trace_hardirqs_off+0xb8/0x310 [ 387.202183] __alloc_pages_slowpath+0x26e8/0x2e10 [ 387.207059] ? warn_alloc+0x120/0x120 [ 387.210855] ? print_usage_bug+0xc0/0xc0 [ 387.214925] ? warn_alloc+0x120/0x120 [ 387.218746] ? warn_alloc+0x120/0x120 [ 387.222549] ? print_usage_bug+0xc0/0xc0 [ 387.226627] ? print_usage_bug+0xc0/0xc0 [ 387.230695] ? __lock_acquire+0x62f/0x4c20 [ 387.234942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.240480] ? should_fail+0x22d/0xd01 [ 387.244376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.249482] ? __lock_acquire+0x62f/0x4c20 [ 387.253725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.258829] ? __lock_acquire+0x62f/0x4c20 [ 387.263058] ? should_fail+0x22d/0xd01 [ 387.266946] ? find_held_lock+0x36/0x1c0 [ 387.271015] ? mark_held_locks+0x130/0x130 [ 387.275285] ? mark_held_locks+0x130/0x130 [ 387.279550] ? zap_class+0x640/0x640 [ 387.283269] ? mark_held_locks+0xc7/0x130 [ 387.287445] ? do_raw_spin_unlock+0xa7/0x330 [ 387.291867] ? zap_class+0x640/0x640 [ 387.295594] ? print_usage_bug+0xc0/0xc0 [ 387.299693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.305231] ? check_preemption_disabled+0x48/0x280 [ 387.310255] ? __lock_is_held+0xb5/0x140 [ 387.314322] __alloc_pages_nodemask+0xa80/0xde0 [ 387.318990] ? zap_class+0x640/0x640 [ 387.322707] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 387.327736] ? find_held_lock+0x36/0x1c0 [ 387.331806] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.336479] ? lock_downgrade+0x900/0x900 [ 387.340636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.346700] cache_grow_begin+0xa5/0x8c0 [ 387.350765] ? do_raw_spin_unlock+0xa7/0x330 [ 387.355206] fallback_alloc+0x204/0x2e0 [ 387.359199] ____cache_alloc_node+0x1c7/0x1e0 [ 387.363716] kmem_cache_alloc_node+0xe3/0x730 [ 387.368213] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.372459] __alloc_skb+0x119/0x770 [ 387.376211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.381492] ? netdev_alloc_frag+0x1f0/0x1f0 [ 387.385904] ? lock_downgrade+0x900/0x900 [ 387.390062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.395600] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.401056] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.406509] ? addrconf_rs_timer+0x690/0x690 [ 387.410938] ndisc_alloc_skb+0x144/0x340 [ 387.415003] ndisc_send_rs+0x331/0x6e0 [ 387.418899] addrconf_rs_timer+0x314/0x690 [ 387.423136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.427394] call_timer_fn+0x272/0x920 [ 387.431281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.435514] ? process_timeout+0x40/0x40 [ 387.439581] ? __run_timers+0x7da/0xc70 [ 387.443567] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.448062] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.452555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.456793] ? lockdep_hardirqs_on+0x296/0x5b0 [ 387.461387] ? trace_hardirqs_on+0xbd/0x310 [ 387.465704] ? kasan_check_read+0x11/0x20 [ 387.469851] ? __run_timers+0x7da/0xc70 [ 387.473825] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.478928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.483169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.487432] __run_timers+0x7e5/0xc70 [ 387.491237] ? timer_fixup_init+0x70/0x70 [ 387.495382] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.499869] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.504359] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 387.508940] ? trace_hardirqs_on+0xbd/0x310 [ 387.513260] ? kasan_check_read+0x11/0x20 [ 387.517406] ? finish_task_switch+0x1f4/0x910 [ 387.521897] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.527000] ? compat_start_thread+0x80/0x80 [ 387.531424] ? pvclock_read_flags+0x160/0x160 [ 387.535916] ? __switch_to_asm+0x34/0x70 [ 387.539977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.545511] ? check_preemption_disabled+0x48/0x280 [ 387.550533] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 387.556068] ? rcu_pm_notify+0xc0/0xc0 [ 387.559954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.565492] ? check_preemption_disabled+0x48/0x280 [ 387.570517] run_timer_softirq+0x52/0xb0 [ 387.574599] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.579614] __do_softirq+0x308/0xb7e [ 387.583420] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.588520] ? smpboot_thread_fn+0x334/0xa00 [ 387.592931] ? schedule+0x108/0x460 [ 387.596582] ? trace_hardirqs_off+0xb8/0x310 [ 387.601030] ? smpboot_thread_fn+0x68b/0xa00 [ 387.605435] ? trace_hardirqs_on+0x310/0x310 [ 387.609860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.615399] ? check_preemption_disabled+0x48/0x280 [ 387.620430] ? takeover_tasklets+0xa90/0xa90 [ 387.624837] run_ksoftirqd+0x5e/0x100 [ 387.628636] smpboot_thread_fn+0x68b/0xa00 [ 387.632892] ? sort_range+0x30/0x30 [ 387.636513] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 387.641634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.647174] ? __kthread_parkme+0xfb/0x1a0 [ 387.651426] ? sort_range+0x30/0x30 [ 387.655051] kthread+0x35a/0x440 [ 387.658436] ? kthread_stop+0x900/0x900 [ 387.662410] ret_from_fork+0x3a/0x50 [ 387.666140] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 387.666145] warn_alloc_show_mem: 1 callbacks suppressed [ 387.666152] Mem-Info: [ 387.673518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.678879] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 387.678879] active_file:15 inactive_file:12 isolated_file:0 [ 387.678879] unevictable:0 dirty:0 writeback:0 unstable:0 [ 387.678879] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 387.678879] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 387.678879] free:13769 free_pcp:294 free_cma:0 [ 387.681251] Call Trace: [ 387.690660] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 387.723761] [ 387.726328] 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 [ 387.754188] dump_stack+0x244/0x39d [ 387.756313] lowmem_reserve[]: 0 2818 6321 6321 [ 387.782415] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.786019] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 387.790600] warn_alloc.cold.116+0xb7/0x1bd [ 387.795756] lowmem_reserve[]: 0 0 3503 3503 [ 387.823169] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.827462] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 387.831775] ? lock_downgrade+0x900/0x900 [ 387.836590] lowmem_reserve[]: 0 0 0 0 [ 387.865649] ? trace_hardirqs_off+0xb8/0x310 [ 387.869770] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 387.873567] ? trace_hardirqs_off+0xb8/0x310 [ 387.877951] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 387.891473] __alloc_pages_slowpath+0x26e8/0x2e10 [ 387.895875] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 387.911414] ? warn_alloc+0x120/0x120 [ 387.916216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 387.930944] ? print_usage_bug+0xc0/0xc0 [ 387.934725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 387.943544] ? warn_alloc+0x120/0x120 [ 387.947584] 12557 total pagecache pages [ 387.956151] ? warn_alloc+0x120/0x120 [ 387.959939] 0 pages in swap cache [ 387.963896] ? print_usage_bug+0xc0/0xc0 [ 387.967677] Swap cache stats: add 0, delete 0, find 0/0 [ 387.971115] ? kvm_clock_read+0x18/0x30 [ 387.975150] Free swap = 0kB [ 387.980510] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 387.984473] Total swap = 0kB [ 387.987510] ? print_usage_bug+0xc0/0xc0 [ 387.992517] 1965979 pages RAM [ 387.995529] ? __lock_acquire+0x62f/0x4c20 [ 387.999561] 0 pages HighMem/MovableOnly [ 388.002669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.006912] 342853 pages reserved [ 388.010911] ? should_fail+0x22d/0xd01 [ 388.016418] 0 pages cma reserved [ 388.019861] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.023782] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.027078] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.032462] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.038819] ? __lock_acquire+0x62f/0x4c20 [ 388.043905] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 388.054207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.068180] ? __lock_acquire+0x62f/0x4c20 [ 388.072412] ? should_fail+0x22d/0xd01 [ 388.076295] ? rcu_irq_exit+0x1a2/0x390 [ 388.080280] ? mark_held_locks+0x130/0x130 [ 388.084536] ? mark_held_locks+0x130/0x130 [ 388.088780] ? mark_held_locks+0xc7/0x130 [ 388.092944] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 388.097962] ? zap_class+0x640/0x640 [ 388.101690] ? print_usage_bug+0xc0/0xc0 [ 388.105752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.111288] ? check_preemption_disabled+0x48/0x280 [ 388.116320] ? __lock_is_held+0xb5/0x140 [ 388.120405] __alloc_pages_nodemask+0xa80/0xde0 [ 388.125086] ? zap_class+0x640/0x640 [ 388.128804] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 388.133829] ? find_held_lock+0x36/0x1c0 [ 388.137919] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.142592] ? lock_downgrade+0x900/0x900 [ 388.146756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.152301] cache_grow_begin+0xa5/0x8c0 [ 388.156364] ? do_raw_spin_unlock+0xa7/0x330 [ 388.160781] fallback_alloc+0x204/0x2e0 [ 388.164760] ____cache_alloc_node+0x1c7/0x1e0 [ 388.169258] kmem_cache_alloc_node+0xe3/0x730 [ 388.173756] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.177998] __alloc_skb+0x119/0x770 [ 388.181712] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.186995] ? netdev_alloc_frag+0x1f0/0x1f0 [ 388.191402] ? lock_downgrade+0x900/0x900 [ 388.195554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.201090] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.206544] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.212444] ? addrconf_rs_timer+0x690/0x690 [ 388.216864] ndisc_alloc_skb+0x144/0x340 [ 388.220946] ndisc_send_rs+0x331/0x6e0 [ 388.224838] addrconf_rs_timer+0x314/0x690 [ 388.229089] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.233331] call_timer_fn+0x272/0x920 [ 388.237228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.241465] ? process_timeout+0x40/0x40 [ 388.245532] ? __run_timers+0x7da/0xc70 [ 388.249531] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.254036] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.258526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.262761] ? lockdep_hardirqs_on+0x296/0x5b0 [ 388.267353] ? trace_hardirqs_on+0xbd/0x310 [ 388.271674] ? kasan_check_read+0x11/0x20 [ 388.275819] ? __run_timers+0x7da/0xc70 [ 388.279794] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.284899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.289143] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.293392] __run_timers+0x7e5/0xc70 [ 388.297246] ? timer_fixup_init+0x70/0x70 [ 388.301397] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.306410] ? zap_class+0x640/0x640 [ 388.310129] ? enqueue_hrtimer+0x1a5/0x560 [ 388.314373] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.319566] ? find_held_lock+0x36/0x1c0 [ 388.323630] ? zap_class+0x640/0x640 [ 388.327359] ? pvclock_read_flags+0x160/0x160 [ 388.331871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.337413] ? check_preemption_disabled+0x48/0x280 [ 388.342457] ? __lock_is_held+0xb5/0x140 [ 388.346531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.352073] ? check_preemption_disabled+0x48/0x280 [ 388.357096] run_timer_softirq+0x52/0xb0 [ 388.361156] ? rcu_read_lock_sched_held+0x14f/0x180 [ 388.366235] __do_softirq+0x308/0xb7e [ 388.370042] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 388.374541] ? lock_downgrade+0x900/0x900 [ 388.378693] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 388.383807] ? pvclock_read_flags+0x160/0x160 [ 388.388305] ? lapic_next_event+0x5a/0x90 [ 388.392457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.398000] ? kvm_clock_read+0x18/0x30 [ 388.401988] ? kvm_sched_clock_read+0x9/0x20 [ 388.406397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.411933] ? check_preemption_disabled+0x48/0x280 [ 388.416959] irq_exit+0x17f/0x1c0 [ 388.420416] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.425254] ? smp_reschedule_interrupt+0x109/0x650 [ 388.430272] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.436183] ? interrupt_entry+0xb5/0xc0 [ 388.440251] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.445270] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.450284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.455126] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.460138] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.465169] ? task_prio+0x50/0x50 [ 388.468727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.474279] ? check_preemption_disabled+0x48/0x280 [ 388.479312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.484175] apic_timer_interrupt+0xf/0x20 [ 388.488404] [ 388.490646] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 388.496531] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 388.515442] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 388.523145] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 388.530423] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 388.537698] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 388.544965] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 388.552235] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 388.559534] ? save_stack+0xa9/0xd0 [ 388.563186] __kmalloc_node_track_caller+0x3c/0x70 [ 388.568123] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 388.572905] pskb_expand_head+0x230/0x10f0 [ 388.577143] ? check_preemption_disabled+0x48/0x280 [ 388.582206] ? memcpy+0x45/0x50 [ 388.585491] ? __copy_skb_header+0x350/0x6b0 [ 388.589900] ? skb_release_data+0x880/0x880 [ 388.594225] ? __alloc_skb+0x770/0x770 [ 388.598125] ? __lock_is_held+0xb5/0x140 [ 388.602204] ? kasan_check_write+0x14/0x20 [ 388.606456] ? __skb_clone+0x6c7/0xa00 [ 388.610352] ? __copy_skb_header+0x6b0/0x6b0 [ 388.614760] ? kmem_cache_alloc+0x33a/0x730 [ 388.619083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.624641] skb_ensure_writable+0x3dd/0x640 [ 388.629054] ? skb_checksum_setup+0xaa0/0xaa0 [ 388.633553] ? preempt_notifier_register+0x200/0x200 [ 388.638656] ? __switch_to_asm+0x34/0x70 [ 388.642729] ? __switch_to_asm+0x34/0x70 [ 388.646785] ? __switch_to_asm+0x40/0x70 [ 388.650846] ? __switch_to_asm+0x34/0x70 [ 388.654904] ? __switch_to_asm+0x40/0x70 [ 388.658979] ? __switch_to_asm+0x40/0x70 [ 388.663050] ? __switch_to_asm+0x34/0x70 [ 388.667112] ? __switch_to_asm+0x34/0x70 [ 388.671183] ? __switch_to_asm+0x40/0x70 [ 388.675258] ? __switch_to_asm+0x34/0x70 [ 388.679326] bpf_clone_redirect+0x14a/0x490 [ 388.683658] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 388.688676] ? __sched_text_start+0x8/0x8 [ 388.692842] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 388.697609] ? find_held_lock+0x36/0x1c0 [ 388.701709] ? lock_acquire+0x1ed/0x520 [ 388.705683] ? bpf_test_run+0x3cb/0x780 [ 388.709731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.715270] ? check_preemption_disabled+0x48/0x280 [ 388.720295] ? kasan_check_read+0x11/0x20 [ 388.724443] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.729717] ? rcu_softirq_qs+0x20/0x20 [ 388.733694] ? preempt_schedule+0x4d/0x60 [ 388.737842] ? ___preempt_schedule+0x16/0x18 [ 388.742256] ? bpf_test_run+0x25d/0x780 [ 388.746240] ? netlink_diag_dump+0x2a0/0x2a0 [ 388.750652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.756195] ? bpf_test_init.isra.10+0x70/0x100 [ 388.760867] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 388.765634] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 388.770476] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.776015] ? fput+0x130/0x1a0 [ 388.779301] ? __bpf_prog_get+0x9b/0x290 [ 388.783416] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 388.788257] ? bpf_prog_test_run+0x130/0x1a0 [ 388.792669] ? __x64_sys_bpf+0x3db/0x520 [ 388.796746] ? bpf_prog_get+0x20/0x20 [ 388.800584] ? do_syscall_64+0x1b9/0x820 [ 388.804643] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 388.810005] ? syscall_return_slowpath+0x5e0/0x5e0 [ 388.814933] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.819949] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 388.824968] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 388.831632] ? __switch_to_asm+0x40/0x70 [ 388.835720] ? __switch_to_asm+0x34/0x70 [ 388.839797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.844645] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.850022] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 388.850086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.856945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.856950] Call Trace: [ 388.856997] dump_stack+0x244/0x39d [ 388.857015] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.857040] warn_alloc.cold.116+0xb7/0x1bd [ 388.863585] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.872858] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.875420] syz-executor2 cpuset=syz2 mems_allowed=0 [ 388.879038] ? lock_downgrade+0x900/0x900 [ 388.913020] ? trace_hardirqs_off+0xb8/0x310 [ 388.917465] ? trace_hardirqs_off+0xb8/0x310 [ 388.921881] __alloc_pages_slowpath+0x26e8/0x2e10 [ 388.926769] ? warn_alloc+0x120/0x120 [ 388.930573] ? print_usage_bug+0xc0/0xc0 [ 388.934637] ? warn_alloc+0x120/0x120 [ 388.938440] ? warn_alloc+0x120/0x120 [ 388.942239] ? print_usage_bug+0xc0/0xc0 [ 388.946300] ? print_usage_bug+0xc0/0xc0 [ 388.950362] ? __lock_acquire+0x62f/0x4c20 [ 388.954601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.960132] ? should_fail+0x22d/0xd01 [ 388.964031] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.969149] ? __lock_acquire+0x62f/0x4c20 [ 388.973392] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.978493] ? __lock_acquire+0x62f/0x4c20 [ 388.982721] ? should_fail+0x22d/0xd01 [ 388.986617] ? find_held_lock+0x36/0x1c0 [ 388.990689] ? mark_held_locks+0x130/0x130 [ 388.994924] ? mark_held_locks+0x130/0x130 [ 388.999152] ? zap_class+0x640/0x640 [ 389.002881] ? mark_held_locks+0xc7/0x130 [ 389.007052] ? do_raw_spin_unlock+0xa7/0x330 [ 389.011456] ? zap_class+0x640/0x640 [ 389.015194] ? print_usage_bug+0xc0/0xc0 [ 389.019275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.024810] ? check_preemption_disabled+0x48/0x280 [ 389.029832] ? __lock_is_held+0xb5/0x140 [ 389.033894] __alloc_pages_nodemask+0xa80/0xde0 [ 389.038603] ? zap_class+0x640/0x640 [ 389.042318] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 389.047349] ? find_held_lock+0x36/0x1c0 [ 389.051418] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.056085] ? lock_downgrade+0x900/0x900 [ 389.060238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.065784] cache_grow_begin+0xa5/0x8c0 [ 389.069842] ? do_raw_spin_unlock+0xa7/0x330 [ 389.074258] fallback_alloc+0x204/0x2e0 [ 389.078251] ____cache_alloc_node+0x1c7/0x1e0 [ 389.082751] kmem_cache_alloc_node+0xe3/0x730 [ 389.087248] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.091491] __alloc_skb+0x119/0x770 [ 389.095206] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.100488] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.104895] ? lock_downgrade+0x900/0x900 [ 389.109049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.114585] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.120040] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.125488] ? addrconf_rs_timer+0x690/0x690 [ 389.129907] ndisc_alloc_skb+0x144/0x340 [ 389.133973] ndisc_send_rs+0x331/0x6e0 [ 389.137864] addrconf_rs_timer+0x314/0x690 [ 389.142107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.146355] call_timer_fn+0x272/0x920 [ 389.150239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.154474] ? process_timeout+0x40/0x40 [ 389.158542] ? __run_timers+0x7da/0xc70 [ 389.162531] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.167028] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.171521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.175756] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.180348] ? trace_hardirqs_on+0xbd/0x310 [ 389.184676] ? kasan_check_read+0x11/0x20 [ 389.188840] ? __run_timers+0x7da/0xc70 [ 389.192814] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.197923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.202169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.206406] __run_timers+0x7e5/0xc70 [ 389.210217] ? timer_fixup_init+0x70/0x70 [ 389.214365] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.218855] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.223351] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.227933] ? trace_hardirqs_on+0xbd/0x310 [ 389.232271] ? kasan_check_read+0x11/0x20 [ 389.236424] ? finish_task_switch+0x1f4/0x910 [ 389.240921] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.246024] ? compat_start_thread+0x80/0x80 [ 389.250451] ? pvclock_read_flags+0x160/0x160 [ 389.254940] ? __switch_to_asm+0x34/0x70 [ 389.259001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.264538] ? check_preemption_disabled+0x48/0x280 [ 389.269564] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 389.275100] ? rcu_pm_notify+0xc0/0xc0 [ 389.278984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.284524] ? check_preemption_disabled+0x48/0x280 [ 389.289547] run_timer_softirq+0x52/0xb0 [ 389.293609] ? rcu_read_lock_sched_held+0x14f/0x180 [ 389.298623] __do_softirq+0x308/0xb7e [ 389.302460] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 389.307567] ? smpboot_thread_fn+0x334/0xa00 [ 389.311995] ? schedule+0x108/0x460 [ 389.315656] ? trace_hardirqs_off+0xb8/0x310 [ 389.320072] ? smpboot_thread_fn+0x68b/0xa00 [ 389.324486] ? trace_hardirqs_on+0x310/0x310 [ 389.328915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.334454] ? check_preemption_disabled+0x48/0x280 [ 389.339483] ? takeover_tasklets+0xa90/0xa90 [ 389.344343] run_ksoftirqd+0x5e/0x100 [ 389.348145] smpboot_thread_fn+0x68b/0xa00 [ 389.352393] ? sort_range+0x30/0x30 [ 389.356026] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.361130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.366699] ? __kthread_parkme+0xfb/0x1a0 [ 389.370941] ? sort_range+0x30/0x30 [ 389.374566] kthread+0x35a/0x440 [ 389.377934] ? kthread_stop+0x900/0x900 [ 389.381920] ret_from_fork+0x3a/0x50 [ 389.385664] warn_alloc_show_mem: 1 callbacks suppressed [ 389.385675] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 389.385677] Mem-Info: [ 389.385709] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 389.385709] active_file:15 inactive_file:12 isolated_file:0 [ 389.385709] unevictable:0 dirty:0 writeback:0 unstable:0 [ 389.385709] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 389.385709] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 389.385709] free:13769 free_pcp:294 free_cma:0 [ 389.391042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.398405] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 389.400800] Call Trace: [ 389.433925] 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 [ 389.443266] [ 389.471106] lowmem_reserve[]: 0 2818 6321 6321 [ 389.473695] dump_stack+0x244/0x39d [ 389.499777] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 389.501924] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.506481] lowmem_reserve[]: 0 0 3503 3503 [ 389.510111] warn_alloc.cold.116+0xb7/0x1bd [ 389.537488] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 389.542690] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.546983] lowmem_reserve[]: 0 0 0 0 [ 389.551298] ? lock_downgrade+0x900/0x900 [ 389.580329] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 389.585180] ? trace_hardirqs_off+0xb8/0x310 [ 389.588944] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 389.593087] ? trace_hardirqs_off+0xb8/0x310 [ 389.606583] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 389.610988] __alloc_pages_slowpath+0x26e8/0x2e10 [ 389.626488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 389.630903] ? warn_alloc+0x120/0x120 [ 389.645598] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 389.650426] ? print_usage_bug+0xc0/0xc0 [ 389.659268] 12557 total pagecache pages [ 389.663059] ? warn_alloc+0x120/0x120 [ 389.671616] 0 pages in swap cache [ 389.675664] ? warn_alloc+0x120/0x120 [ 389.679624] Swap cache stats: add 0, delete 0, find 0/0 [ 389.683417] ? print_usage_bug+0xc0/0xc0 [ 389.686842] Free swap = 0kB [ 389.690637] ? kvm_clock_read+0x18/0x30 [ 389.695971] Total swap = 0kB [ 389.700022] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 389.703049] 1965979 pages RAM [ 389.707016] ? print_usage_bug+0xc0/0xc0 [ 389.710009] 0 pages HighMem/MovableOnly [ 389.715014] ? __lock_acquire+0x62f/0x4c20 [ 389.718095] 342853 pages reserved [ 389.722146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.726091] 0 pages cma reserved [ 389.730322] ? should_fail+0x22d/0xd01 [ 389.733824] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.739271] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.739289] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.742734] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.746535] ? __lock_acquire+0x62f/0x4c20 [ 389.753004] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 389.758278] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.787625] ? __lock_acquire+0x62f/0x4c20 [ 389.791863] ? should_fail+0x22d/0xd01 [ 389.795751] ? rcu_irq_exit+0x1a2/0x390 [ 389.799737] ? mark_held_locks+0x130/0x130 [ 389.803979] ? mark_held_locks+0x130/0x130 [ 389.808230] ? mark_held_locks+0xc7/0x130 [ 389.812382] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 389.817399] ? zap_class+0x640/0x640 [ 389.821116] ? print_usage_bug+0xc0/0xc0 [ 389.825196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.830754] ? check_preemption_disabled+0x48/0x280 [ 389.835792] ? __lock_is_held+0xb5/0x140 [ 389.839860] __alloc_pages_nodemask+0xa80/0xde0 [ 389.844529] ? zap_class+0x640/0x640 [ 389.848249] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 389.853305] ? find_held_lock+0x36/0x1c0 [ 389.857382] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.862055] ? lock_downgrade+0x900/0x900 [ 389.866210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.871751] cache_grow_begin+0xa5/0x8c0 [ 389.875827] ? do_raw_spin_unlock+0xa7/0x330 [ 389.880255] fallback_alloc+0x204/0x2e0 [ 389.884270] ____cache_alloc_node+0x1c7/0x1e0 [ 389.888785] kmem_cache_alloc_node+0xe3/0x730 [ 389.893284] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.897533] __alloc_skb+0x119/0x770 [ 389.901245] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.906565] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.910976] ? lock_downgrade+0x900/0x900 [ 389.915143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.920694] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.926150] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.931625] ? addrconf_rs_timer+0x690/0x690 [ 389.936045] ndisc_alloc_skb+0x144/0x340 [ 389.940112] ndisc_send_rs+0x331/0x6e0 [ 389.944007] addrconf_rs_timer+0x314/0x690 [ 389.948246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.952493] call_timer_fn+0x272/0x920 [ 389.956384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.960622] ? process_timeout+0x40/0x40 [ 389.964703] ? __run_timers+0x7da/0xc70 [ 389.968683] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.973191] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.977701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.981935] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.986517] ? trace_hardirqs_on+0xbd/0x310 [ 389.990838] ? kasan_check_read+0x11/0x20 [ 389.994996] ? __run_timers+0x7da/0xc70 [ 389.998969] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.004101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.008335] __run_timers+0x7e5/0xc70 [ 390.012146] ? timer_fixup_init+0x70/0x70 [ 390.016311] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 390.021330] ? zap_class+0x640/0x640 [ 390.025047] ? enqueue_hrtimer+0x1a5/0x560 [ 390.029283] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 390.034481] ? find_held_lock+0x36/0x1c0 [ 390.038551] ? zap_class+0x640/0x640 [ 390.042268] ? pvclock_read_flags+0x160/0x160 [ 390.046782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.052321] ? check_preemption_disabled+0x48/0x280 [ 390.057345] ? __lock_is_held+0xb5/0x140 [ 390.061426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.066967] ? check_preemption_disabled+0x48/0x280 [ 390.072010] run_timer_softirq+0x52/0xb0 [ 390.076068] ? rcu_read_lock_sched_held+0x14f/0x180 [ 390.081088] __do_softirq+0x308/0xb7e [ 390.084895] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 390.089391] ? lock_downgrade+0x900/0x900 [ 390.093550] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 390.098659] ? pvclock_read_flags+0x160/0x160 [ 390.103169] ? lapic_next_event+0x5a/0x90 [ 390.107329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.112870] ? kvm_clock_read+0x18/0x30 [ 390.116845] ? kvm_sched_clock_read+0x9/0x20 [ 390.121261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.126819] ? check_preemption_disabled+0x48/0x280 [ 390.131865] irq_exit+0x17f/0x1c0 [ 390.135321] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.140175] ? smp_reschedule_interrupt+0x109/0x650 [ 390.145211] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.151097] ? interrupt_entry+0xb5/0xc0 [ 390.155169] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.160205] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.165227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.170070] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.175084] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.180098] ? task_prio+0x50/0x50 [ 390.183639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.189211] ? check_preemption_disabled+0x48/0x280 [ 390.194269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.199131] apic_timer_interrupt+0xf/0x20 [ 390.203366] [ 390.205605] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 390.212002] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 390.230903] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 390.238612] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 390.245882] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 390.253147] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 390.260425] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 390.267692] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 390.274988] ? save_stack+0xa9/0xd0 [ 390.278624] __kmalloc_node_track_caller+0x3c/0x70 [ 390.283559] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 390.288322] pskb_expand_head+0x230/0x10f0 [ 390.292558] ? check_preemption_disabled+0x48/0x280 [ 390.297582] ? memcpy+0x45/0x50 [ 390.300865] ? __copy_skb_header+0x350/0x6b0 [ 390.305276] ? skb_release_data+0x880/0x880 [ 390.309597] ? __alloc_skb+0x770/0x770 [ 390.313494] ? __lock_is_held+0xb5/0x140 [ 390.317565] ? kasan_check_write+0x14/0x20 [ 390.321799] ? __skb_clone+0x6c7/0xa00 [ 390.325693] ? __copy_skb_header+0x6b0/0x6b0 [ 390.330101] ? kmem_cache_alloc+0x33a/0x730 [ 390.334427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.340877] skb_ensure_writable+0x3dd/0x640 [ 390.345294] ? skb_checksum_setup+0xaa0/0xaa0 [ 390.349793] ? preempt_notifier_register+0x200/0x200 [ 390.354890] ? __switch_to_asm+0x34/0x70 [ 390.358948] ? __switch_to_asm+0x34/0x70 [ 390.363019] ? __switch_to_asm+0x40/0x70 [ 390.367078] ? __switch_to_asm+0x34/0x70 [ 390.371153] ? __switch_to_asm+0x40/0x70 [ 390.375249] ? __switch_to_asm+0x40/0x70 [ 390.379308] ? __switch_to_asm+0x34/0x70 [ 390.383369] ? __switch_to_asm+0x34/0x70 [ 390.387431] ? __switch_to_asm+0x40/0x70 [ 390.391491] ? __switch_to_asm+0x34/0x70 [ 390.395557] bpf_clone_redirect+0x14a/0x490 [ 390.399886] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 390.404907] ? __sched_text_start+0x8/0x8 [ 390.409057] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.413841] ? find_held_lock+0x36/0x1c0 [ 390.417914] ? lock_acquire+0x1ed/0x520 [ 390.421907] ? bpf_test_run+0x3cb/0x780 [ 390.425910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.431468] ? check_preemption_disabled+0x48/0x280 [ 390.436506] ? kasan_check_read+0x11/0x20 [ 390.440651] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.445933] ? rcu_softirq_qs+0x20/0x20 [ 390.449906] ? preempt_schedule+0x4d/0x60 [ 390.454055] ? ___preempt_schedule+0x16/0x18 [ 390.458471] ? bpf_test_run+0x25d/0x780 [ 390.462496] ? netlink_diag_dump+0x2a0/0x2a0 [ 390.466912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.472453] ? bpf_test_init.isra.10+0x70/0x100 [ 390.477133] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 390.481911] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 390.486770] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 390.492310] ? fput+0x130/0x1a0 [ 390.495591] ? __bpf_prog_get+0x9b/0x290 [ 390.499655] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 390.504496] ? bpf_prog_test_run+0x130/0x1a0 [ 390.508907] ? __x64_sys_bpf+0x3db/0x520 [ 390.512981] ? bpf_prog_get+0x20/0x20 [ 390.516804] ? do_syscall_64+0x1b9/0x820 [ 390.520882] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 390.526248] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.531202] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.536223] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 390.541241] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 390.547905] ? __switch_to_asm+0x40/0x70 [ 390.551963] ? __switch_to_asm+0x34/0x70 [ 390.556052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.560902] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.566297] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 390.566360] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.573233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.573239] Call Trace: [ 390.573258] dump_stack+0x244/0x39d [ 390.573282] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.579803] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.589109] warn_alloc.cold.116+0xb7/0x1bd [ 390.591666] syz-executor2 cpuset=syz2 mems_allowed=0 [ 390.595287] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.625140] ? lock_downgrade+0x900/0x900 [ 390.629303] ? trace_hardirqs_off+0xb8/0x310 [ 390.633733] ? trace_hardirqs_off+0xb8/0x310 [ 390.638148] __alloc_pages_slowpath+0x26e8/0x2e10 [ 390.643023] ? warn_alloc+0x120/0x120 [ 390.646829] ? print_usage_bug+0xc0/0xc0 [ 390.650895] ? warn_alloc+0x120/0x120 [ 390.654723] ? warn_alloc+0x120/0x120 [ 390.658524] ? print_usage_bug+0xc0/0xc0 [ 390.662592] ? print_usage_bug+0xc0/0xc0 [ 390.666667] ? __lock_acquire+0x62f/0x4c20 [ 390.670912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.676452] ? should_fail+0x22d/0xd01 [ 390.680343] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.685444] ? __lock_acquire+0x62f/0x4c20 [ 390.689688] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.694794] ? __lock_acquire+0x62f/0x4c20 [ 390.699026] ? should_fail+0x22d/0xd01 [ 390.702915] ? find_held_lock+0x36/0x1c0 [ 390.706999] ? mark_held_locks+0x130/0x130 [ 390.711241] ? mark_held_locks+0x130/0x130 [ 390.715471] ? zap_class+0x640/0x640 [ 390.719195] ? mark_held_locks+0xc7/0x130 [ 390.723341] ? do_raw_spin_unlock+0xa7/0x330 [ 390.727760] ? zap_class+0x640/0x640 [ 390.731495] ? print_usage_bug+0xc0/0xc0 [ 390.735556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.741093] ? check_preemption_disabled+0x48/0x280 [ 390.746115] ? __lock_is_held+0xb5/0x140 [ 390.750186] __alloc_pages_nodemask+0xa80/0xde0 [ 390.754852] ? zap_class+0x640/0x640 [ 390.758569] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 390.763613] ? find_held_lock+0x36/0x1c0 [ 390.767695] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.772365] ? lock_downgrade+0x900/0x900 [ 390.776541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.782085] cache_grow_begin+0xa5/0x8c0 [ 390.786147] ? do_raw_spin_unlock+0xa7/0x330 [ 390.790568] fallback_alloc+0x204/0x2e0 [ 390.794576] ____cache_alloc_node+0x1c7/0x1e0 [ 390.799080] kmem_cache_alloc_node+0xe3/0x730 [ 390.803578] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.807825] __alloc_skb+0x119/0x770 [ 390.811533] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.816816] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.821229] ? lock_downgrade+0x900/0x900 [ 390.825387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.830942] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.836400] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.841879] ? addrconf_rs_timer+0x690/0x690 [ 390.846345] ndisc_alloc_skb+0x144/0x340 [ 390.850411] ndisc_send_rs+0x331/0x6e0 [ 390.854332] addrconf_rs_timer+0x314/0x690 [ 390.858586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.862834] call_timer_fn+0x272/0x920 [ 390.866726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.870963] ? process_timeout+0x40/0x40 [ 390.875044] ? __run_timers+0x7da/0xc70 [ 390.879021] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.883515] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.888011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.892246] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.896828] ? trace_hardirqs_on+0xbd/0x310 [ 390.901152] ? kasan_check_read+0x11/0x20 [ 390.905306] ? __run_timers+0x7da/0xc70 [ 390.909287] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.914400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.918639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.922874] __run_timers+0x7e5/0xc70 [ 390.926693] ? timer_fixup_init+0x70/0x70 [ 390.930842] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.935338] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.939837] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 390.944419] ? trace_hardirqs_on+0xbd/0x310 [ 390.948748] ? kasan_check_read+0x11/0x20 [ 390.952900] ? finish_task_switch+0x1f4/0x910 [ 390.957396] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.962501] ? compat_start_thread+0x80/0x80 [ 390.966938] ? pvclock_read_flags+0x160/0x160 [ 390.971430] ? __switch_to_asm+0x34/0x70 [ 390.975492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.981037] ? check_preemption_disabled+0x48/0x280 [ 390.986068] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 390.991610] ? rcu_pm_notify+0xc0/0xc0 [ 390.995499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.001036] ? check_preemption_disabled+0x48/0x280 [ 391.006060] run_timer_softirq+0x52/0xb0 [ 391.010124] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.015150] __do_softirq+0x308/0xb7e [ 391.018982] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.024090] ? smpboot_thread_fn+0x334/0xa00 [ 391.028502] ? schedule+0x108/0x460 [ 391.032143] ? trace_hardirqs_off+0xb8/0x310 [ 391.036562] ? smpboot_thread_fn+0x68b/0xa00 [ 391.040977] ? trace_hardirqs_on+0x310/0x310 [ 391.045388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.050940] ? check_preemption_disabled+0x48/0x280 [ 391.055959] ? takeover_tasklets+0xa90/0xa90 [ 391.060369] run_ksoftirqd+0x5e/0x100 [ 391.064177] smpboot_thread_fn+0x68b/0xa00 [ 391.068437] ? sort_range+0x30/0x30 [ 391.072068] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.077179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.082719] ? __kthread_parkme+0xfb/0x1a0 [ 391.086959] ? sort_range+0x30/0x30 [ 391.090595] kthread+0x35a/0x440 [ 391.093966] ? kthread_stop+0x900/0x900 [ 391.097959] ret_from_fork+0x3a/0x50 [ 391.101699] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 391.101705] warn_alloc_show_mem: 1 callbacks suppressed [ 391.101712] Mem-Info: [ 391.109091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.114458] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 391.114458] active_file:15 inactive_file:12 isolated_file:0 [ 391.114458] unevictable:0 dirty:0 writeback:0 unstable:0 [ 391.114458] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 391.114458] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 391.114458] free:13769 free_pcp:294 free_cma:0 [ 391.116834] Call Trace: [ 391.126204] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 391.126239] 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 [ 391.159365] [ 391.161931] lowmem_reserve[]: 0 2818 6321 6321 [ 391.189774] dump_stack+0x244/0x39d [ 391.215856] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 391.218005] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.222557] lowmem_reserve[]: 0 0 3503 3503 [ 391.226200] warn_alloc.cold.116+0xb7/0x1bd [ 391.253581] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 391.258779] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.263072] lowmem_reserve[]: 0 0 0 0 [ 391.267395] ? lock_downgrade+0x900/0x900 [ 391.296431] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 391.301377] ? trace_hardirqs_off+0xb8/0x310 [ 391.305150] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 391.309322] ? trace_hardirqs_off+0xb8/0x310 [ 391.322823] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 391.327233] __alloc_pages_slowpath+0x26e8/0x2e10 [ 391.343257] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 391.347683] ? warn_alloc+0x120/0x120 [ 391.362384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 391.367226] ? print_usage_bug+0xc0/0xc0 [ 391.376033] 12557 total pagecache pages [ 391.379826] ? warn_alloc+0x120/0x120 [ 391.388379] 0 pages in swap cache [ 391.392427] ? warn_alloc+0x120/0x120 [ 391.396379] Swap cache stats: add 0, delete 0, find 0/0 [ 391.400194] ? print_usage_bug+0xc0/0xc0 [ 391.403631] Free swap = 0kB [ 391.407428] ? print_usage_bug+0xc0/0xc0 [ 391.412766] Total swap = 0kB [ 391.416822] ? __lock_acquire+0x62f/0x4c20 [ 391.419819] 1965979 pages RAM [ 391.423915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.426908] 0 pages HighMem/MovableOnly [ 391.431136] ? should_fail+0x22d/0xd01 [ 391.434214] 342853 pages reserved [ 391.439746] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.443709] 0 pages cma reserved [ 391.447588] ? __lock_acquire+0x62f/0x4c20 [ 391.451080] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.456114] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.456128] ? __lock_acquire+0x62f/0x4c20 [ 391.456144] ? should_fail+0x22d/0xd01 [ 391.459598] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.463727] ? find_held_lock+0x36/0x1c0 [ 391.470195] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 391.475298] ? mark_held_locks+0x130/0x130 [ 391.506605] ? mark_held_locks+0x130/0x130 [ 391.510840] ? zap_class+0x640/0x640 [ 391.514572] ? zap_class+0x640/0x640 [ 391.518289] ? print_usage_bug+0xc0/0xc0 [ 391.522350] ? do_raw_spin_unlock+0xa7/0x330 [ 391.526758] ? zap_class+0x640/0x640 [ 391.530470] ? print_usage_bug+0xc0/0xc0 [ 391.534542] ? wq_watchdog_touch+0x9c/0xfe [ 391.538786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.544340] ? check_preemption_disabled+0x48/0x280 [ 391.549386] ? __lock_is_held+0xb5/0x140 [ 391.553452] __alloc_pages_nodemask+0xa80/0xde0 [ 391.558118] ? zap_class+0x640/0x640 [ 391.561864] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 391.566925] ? find_held_lock+0x36/0x1c0 [ 391.571003] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.575675] ? lock_downgrade+0x900/0x900 [ 391.579828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.585369] cache_grow_begin+0xa5/0x8c0 [ 391.589443] ? do_raw_spin_unlock+0xa7/0x330 [ 391.593878] fallback_alloc+0x204/0x2e0 [ 391.597856] ____cache_alloc_node+0x1c7/0x1e0 [ 391.602356] kmem_cache_alloc_node+0xe3/0x730 [ 391.606856] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.611102] __alloc_skb+0x119/0x770 [ 391.614826] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.620106] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.624567] ? lock_downgrade+0x900/0x900 [ 391.628724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.634263] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.639718] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.645182] ? addrconf_rs_timer+0x690/0x690 [ 391.649620] ndisc_alloc_skb+0x144/0x340 [ 391.653689] ndisc_send_rs+0x331/0x6e0 [ 391.657587] addrconf_rs_timer+0x314/0x690 [ 391.661826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.666085] call_timer_fn+0x272/0x920 [ 391.669969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.674204] ? process_timeout+0x40/0x40 [ 391.678269] ? __run_timers+0x7da/0xc70 [ 391.682261] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.686755] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.691258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.695492] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.700117] ? trace_hardirqs_on+0xbd/0x310 [ 391.704452] ? kasan_check_read+0x11/0x20 [ 391.708595] ? __run_timers+0x7da/0xc70 [ 391.712569] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.717680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.721931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.726178] __run_timers+0x7e5/0xc70 [ 391.729992] ? timer_fixup_init+0x70/0x70 [ 391.734142] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.739171] ? zap_class+0x640/0x640 [ 391.742896] ? enqueue_hrtimer+0x1a5/0x560 [ 391.747130] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.752332] ? find_held_lock+0x36/0x1c0 [ 391.756420] ? zap_class+0x640/0x640 [ 391.760138] ? pvclock_read_flags+0x160/0x160 [ 391.764646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.770224] ? check_preemption_disabled+0x48/0x280 [ 391.775250] ? __lock_is_held+0xb5/0x140 [ 391.779311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.784850] ? check_preemption_disabled+0x48/0x280 [ 391.789871] run_timer_softirq+0x52/0xb0 [ 391.793929] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.798946] __do_softirq+0x308/0xb7e [ 391.802755] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 391.807250] ? lock_downgrade+0x900/0x900 [ 391.811402] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.816513] ? pvclock_read_flags+0x160/0x160 [ 391.821013] ? lapic_next_event+0x5a/0x90 [ 391.825187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.830747] ? kvm_clock_read+0x18/0x30 [ 391.834722] ? kvm_sched_clock_read+0x9/0x20 [ 391.839131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.844675] ? check_preemption_disabled+0x48/0x280 [ 391.849730] irq_exit+0x17f/0x1c0 [ 391.853195] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.858041] ? smp_reschedule_interrupt+0x109/0x650 [ 391.863057] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.868940] ? interrupt_entry+0xb5/0xc0 [ 391.873001] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.878032] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.883051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.887893] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.892906] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.897923] ? task_prio+0x50/0x50 [ 391.901479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.907017] ? check_preemption_disabled+0x48/0x280 [ 391.912041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.916891] apic_timer_interrupt+0xf/0x20 [ 391.921117] [ 391.923358] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 391.929242] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 391.948138] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 391.955852] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 391.963131] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 391.970402] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 391.977680] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 391.984950] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 391.992249] ? save_stack+0xa9/0xd0 [ 391.995890] __kmalloc_node_track_caller+0x3c/0x70 [ 392.000839] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 392.005604] pskb_expand_head+0x230/0x10f0 [ 392.009843] ? check_preemption_disabled+0x48/0x280 [ 392.014861] ? memcpy+0x45/0x50 [ 392.018140] ? __copy_skb_header+0x350/0x6b0 [ 392.022560] ? skb_release_data+0x880/0x880 [ 392.026884] ? __alloc_skb+0x770/0x770 [ 392.030777] ? __lock_is_held+0xb5/0x140 [ 392.034841] ? kasan_check_write+0x14/0x20 [ 392.039073] ? __skb_clone+0x6c7/0xa00 [ 392.042975] ? __copy_skb_header+0x6b0/0x6b0 [ 392.047393] ? kmem_cache_alloc+0x33a/0x730 [ 392.051719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.057260] skb_ensure_writable+0x3dd/0x640 [ 392.061674] ? skb_checksum_setup+0xaa0/0xaa0 [ 392.066208] ? preempt_notifier_register+0x200/0x200 [ 392.071311] ? __switch_to_asm+0x34/0x70 [ 392.075369] ? __switch_to_asm+0x34/0x70 [ 392.079424] ? __switch_to_asm+0x40/0x70 [ 392.083480] ? __switch_to_asm+0x34/0x70 [ 392.087539] ? __switch_to_asm+0x40/0x70 [ 392.091597] ? __switch_to_asm+0x40/0x70 [ 392.095658] ? __switch_to_asm+0x34/0x70 [ 392.099735] ? __switch_to_asm+0x34/0x70 [ 392.103790] ? __switch_to_asm+0x40/0x70 [ 392.107849] ? __switch_to_asm+0x34/0x70 [ 392.111914] bpf_clone_redirect+0x14a/0x490 [ 392.116266] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 392.121287] ? __sched_text_start+0x8/0x8 [ 392.125436] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 392.130216] ? find_held_lock+0x36/0x1c0 [ 392.134285] ? lock_acquire+0x1ed/0x520 [ 392.138265] ? bpf_test_run+0x3cb/0x780 [ 392.142241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.147781] ? check_preemption_disabled+0x48/0x280 [ 392.152801] ? kasan_check_read+0x11/0x20 [ 392.156947] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.162224] ? rcu_softirq_qs+0x20/0x20 [ 392.166201] ? preempt_schedule+0x4d/0x60 [ 392.170348] ? ___preempt_schedule+0x16/0x18 [ 392.174761] ? bpf_test_run+0x25d/0x780 [ 392.178747] ? netlink_diag_dump+0x2a0/0x2a0 [ 392.183169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.188726] ? bpf_test_init.isra.10+0x70/0x100 [ 392.193404] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 392.198182] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 392.203027] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 392.208561] ? fput+0x130/0x1a0 [ 392.212346] ? __bpf_prog_get+0x9b/0x290 [ 392.216409] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 392.221265] ? bpf_prog_test_run+0x130/0x1a0 [ 392.225675] ? __x64_sys_bpf+0x3db/0x520 [ 392.229735] ? bpf_prog_get+0x20/0x20 [ 392.233558] ? do_syscall_64+0x1b9/0x820 [ 392.237616] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 392.242981] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.247911] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.252952] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 392.257994] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 392.264671] ? __switch_to_asm+0x40/0x70 [ 392.268744] ? __switch_to_asm+0x34/0x70 [ 392.272851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.277692] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.283068] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 392.283126] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 392.289986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.289995] Call Trace: [ 392.296550] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 392.305818] dump_stack+0x244/0x39d [ 392.308383] syz-executor2 cpuset=syz2 mems_allowed=0 [ 392.318869] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.332745] warn_alloc.cold.116+0xb7/0x1bd [ 392.337072] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.341919] ? lock_downgrade+0x900/0x900 [ 392.346080] ? trace_hardirqs_off+0xb8/0x310 [ 392.350500] ? trace_hardirqs_off+0xb8/0x310 [ 392.354922] __alloc_pages_slowpath+0x26e8/0x2e10 [ 392.359808] ? warn_alloc+0x120/0x120 [ 392.363621] ? warn_alloc+0x120/0x120 [ 392.367429] ? warn_alloc+0x120/0x120 [ 392.371263] ? print_usage_bug+0xc0/0xc0 [ 392.375357] ? check_preemption_disabled+0x48/0x280 [ 392.380380] ? print_usage_bug+0xc0/0xc0 [ 392.384447] ? kasan_check_read+0x11/0x20 [ 392.388608] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.393882] ? rcu_softirq_qs+0x20/0x20 [ 392.397858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.403411] ? should_fail+0x22d/0xd01 [ 392.407303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.412406] ? __lock_acquire+0x62f/0x4c20 [ 392.416644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.421769] ? __lock_acquire+0x62f/0x4c20 [ 392.426005] ? should_fail+0x22d/0xd01 [ 392.429906] ? mark_held_locks+0x130/0x130 [ 392.434145] ? mark_held_locks+0x130/0x130 [ 392.438391] ? __enqueue_entity+0x10d/0x1f0 [ 392.442722] ? zap_class+0x640/0x640 [ 392.446437] ? print_usage_bug+0xc0/0xc0 [ 392.450496] ? enqueue_entity+0x34b/0x20a0 [ 392.454735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.460273] ? check_preemption_disabled+0x48/0x280 [ 392.465304] ? __lock_is_held+0xb5/0x140 [ 392.469389] __alloc_pages_nodemask+0xa80/0xde0 [ 392.474057] ? zap_class+0x640/0x640 [ 392.477776] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 392.482800] ? find_held_lock+0x36/0x1c0 [ 392.486874] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.491546] ? lock_downgrade+0x900/0x900 [ 392.495702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.501247] cache_grow_begin+0xa5/0x8c0 [ 392.505311] ? do_raw_spin_unlock+0xa7/0x330 [ 392.509739] fallback_alloc+0x204/0x2e0 [ 392.513724] ____cache_alloc_node+0x1c7/0x1e0 [ 392.518230] kmem_cache_alloc_node+0xe3/0x730 [ 392.522728] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.526972] __alloc_skb+0x119/0x770 [ 392.530684] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.535986] ? netdev_alloc_frag+0x1f0/0x1f0 [ 392.540417] ? lock_downgrade+0x900/0x900 [ 392.544572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.550111] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.555569] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.561025] ? addrconf_rs_timer+0x690/0x690 [ 392.565490] ndisc_alloc_skb+0x144/0x340 [ 392.569562] ndisc_send_rs+0x331/0x6e0 [ 392.573471] addrconf_rs_timer+0x314/0x690 [ 392.577724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.581967] call_timer_fn+0x272/0x920 [ 392.585872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.590106] ? process_timeout+0x40/0x40 [ 392.594186] ? __run_timers+0x7da/0xc70 [ 392.598175] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.602679] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.607180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.611432] ? lockdep_hardirqs_on+0x296/0x5b0 [ 392.616018] ? trace_hardirqs_on+0xbd/0x310 [ 392.620338] ? kasan_check_read+0x11/0x20 [ 392.624482] ? __run_timers+0x7da/0xc70 [ 392.628456] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.633575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.637807] __run_timers+0x7e5/0xc70 [ 392.641632] ? timer_fixup_init+0x70/0x70 [ 392.645780] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.650272] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.654764] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 392.659350] ? trace_hardirqs_on+0xbd/0x310 [ 392.663667] ? kasan_check_read+0x11/0x20 [ 392.667821] ? finish_task_switch+0x1f4/0x910 [ 392.672317] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.677418] ? compat_start_thread+0x80/0x80 [ 392.681849] ? pvclock_read_flags+0x160/0x160 [ 392.686342] ? __switch_to_asm+0x34/0x70 [ 392.690418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.695955] ? check_preemption_disabled+0x48/0x280 [ 392.700980] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 392.706549] ? rcu_pm_notify+0xc0/0xc0 [ 392.710449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.715984] ? check_preemption_disabled+0x48/0x280 [ 392.721002] run_timer_softirq+0x52/0xb0 [ 392.725062] ? rcu_read_lock_sched_held+0x14f/0x180 [ 392.730081] __do_softirq+0x308/0xb7e [ 392.733906] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 392.739008] ? smpboot_thread_fn+0x334/0xa00 [ 392.743431] ? schedule+0x108/0x460 [ 392.747063] ? trace_hardirqs_off+0xb8/0x310 [ 392.751500] ? smpboot_thread_fn+0x68b/0xa00 [ 392.755923] ? trace_hardirqs_on+0x310/0x310 [ 392.760332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.765870] ? check_preemption_disabled+0x48/0x280 [ 392.770899] ? takeover_tasklets+0xa90/0xa90 [ 392.775306] run_ksoftirqd+0x5e/0x100 [ 392.779105] smpboot_thread_fn+0x68b/0xa00 [ 392.783341] ? sort_range+0x30/0x30 [ 392.786969] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.792067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.797599] ? __kthread_parkme+0xfb/0x1a0 [ 392.801829] ? sort_range+0x30/0x30 [ 392.805451] kthread+0x35a/0x440 [ 392.808818] ? kthread_stop+0x900/0x900 [ 392.812789] ret_from_fork+0x3a/0x50 [ 392.816531] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 392.816536] warn_alloc_show_mem: 1 callbacks suppressed [ 392.816543] Mem-Info: [ 392.823896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.829266] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 392.829266] active_file:15 inactive_file:12 isolated_file:0 [ 392.829266] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.829266] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 392.829266] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 392.829266] free:13769 free_pcp:294 free_cma:0 [ 392.831635] Call Trace: [ 392.841023] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.874125] [ 392.876703] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 392.904544] dump_stack+0x244/0x39d [ 392.906678] lowmem_reserve[]: 0 2818 6321 6321 [ 392.932779] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.936383] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 392.940965] warn_alloc.cold.116+0xb7/0x1bd [ 392.946121] lowmem_reserve[]: 0 0 3503 3503 [ 392.973613] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.977911] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 392.982225] ? lock_downgrade+0x900/0x900 [ 392.987044] lowmem_reserve[]: 0 0 0 0 [ 393.016100] ? trace_hardirqs_off+0xb8/0x310 [ 393.020220] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 393.024013] ? trace_hardirqs_off+0xb8/0x310 [ 393.028407] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 393.041938] __alloc_pages_slowpath+0x26e8/0x2e10 [ 393.046316] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 393.061861] ? warn_alloc+0x120/0x120 [ 393.066659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 393.081386] ? print_usage_bug+0xc0/0xc0 [ 393.085192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 393.094033] ? warn_alloc+0x120/0x120 [ 393.098073] 12557 total pagecache pages [ 393.106639] ? warn_alloc+0x120/0x120 [ 393.110432] 0 pages in swap cache [ 393.114393] ? print_usage_bug+0xc0/0xc0 [ 393.118199] Swap cache stats: add 0, delete 0, find 0/0 [ 393.121642] ? kvm_clock_read+0x18/0x30 [ 393.125680] Free swap = 0kB [ 393.131031] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 393.135031] Total swap = 0kB [ 393.138041] ? print_usage_bug+0xc0/0xc0 [ 393.143035] 1965979 pages RAM [ 393.146044] ? __lock_acquire+0x62f/0x4c20 [ 393.150079] 0 pages HighMem/MovableOnly [ 393.153199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.157407] 342853 pages reserved [ 393.161375] ? should_fail+0x22d/0xd01 [ 393.166886] 0 pages cma reserved [ 393.170332] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.174272] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.177554] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.182883] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.189287] ? __lock_acquire+0x62f/0x4c20 [ 393.194379] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 393.204681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.218659] ? __lock_acquire+0x62f/0x4c20 [ 393.222896] ? should_fail+0x22d/0xd01 [ 393.226794] ? rcu_irq_exit+0x1a2/0x390 [ 393.230781] ? mark_held_locks+0x130/0x130 [ 393.235033] ? mark_held_locks+0x130/0x130 [ 393.239298] ? mark_held_locks+0xc7/0x130 [ 393.243462] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 393.248478] ? zap_class+0x640/0x640 [ 393.252206] ? print_usage_bug+0xc0/0xc0 [ 393.256288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.261824] ? check_preemption_disabled+0x48/0x280 [ 393.266849] ? __lock_is_held+0xb5/0x140 [ 393.270914] __alloc_pages_nodemask+0xa80/0xde0 [ 393.275581] ? zap_class+0x640/0x640 [ 393.279303] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 393.284355] ? find_held_lock+0x36/0x1c0 [ 393.288440] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.293108] ? lock_downgrade+0x900/0x900 [ 393.297277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.302822] cache_grow_begin+0xa5/0x8c0 [ 393.306879] ? do_raw_spin_unlock+0xa7/0x330 [ 393.311293] fallback_alloc+0x204/0x2e0 [ 393.315277] ____cache_alloc_node+0x1c7/0x1e0 [ 393.319790] kmem_cache_alloc_node+0xe3/0x730 [ 393.324298] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.328543] __alloc_skb+0x119/0x770 [ 393.332258] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.337543] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.342343] ? lock_downgrade+0x900/0x900 [ 393.346493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.352031] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.357485] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.362939] ? addrconf_rs_timer+0x690/0x690 [ 393.367363] ndisc_alloc_skb+0x144/0x340 [ 393.371431] ndisc_send_rs+0x331/0x6e0 [ 393.375324] addrconf_rs_timer+0x314/0x690 [ 393.379574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.383832] call_timer_fn+0x272/0x920 [ 393.387715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.391952] ? process_timeout+0x40/0x40 [ 393.396020] ? __run_timers+0x7da/0xc70 [ 393.399994] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.404504] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.408998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.413234] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.417816] ? trace_hardirqs_on+0xbd/0x310 [ 393.422135] ? kasan_check_read+0x11/0x20 [ 393.426316] ? __run_timers+0x7da/0xc70 [ 393.430295] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.435402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.439642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.443887] __run_timers+0x7e5/0xc70 [ 393.447725] ? timer_fixup_init+0x70/0x70 [ 393.451877] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.456901] ? zap_class+0x640/0x640 [ 393.460633] ? enqueue_hrtimer+0x1a5/0x560 [ 393.464868] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.470065] ? find_held_lock+0x36/0x1c0 [ 393.474134] ? zap_class+0x640/0x640 [ 393.477862] ? pvclock_read_flags+0x160/0x160 [ 393.482364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.487900] ? check_preemption_disabled+0x48/0x280 [ 393.492967] ? __lock_is_held+0xb5/0x140 [ 393.497037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.502602] ? check_preemption_disabled+0x48/0x280 [ 393.507638] run_timer_softirq+0x52/0xb0 [ 393.511699] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.516714] __do_softirq+0x308/0xb7e [ 393.520520] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 393.525026] ? lock_downgrade+0x900/0x900 [ 393.529189] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.534335] ? pvclock_read_flags+0x160/0x160 [ 393.538833] ? lapic_next_event+0x5a/0x90 [ 393.542984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.548525] ? kvm_clock_read+0x18/0x30 [ 393.552496] ? kvm_sched_clock_read+0x9/0x20 [ 393.556907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.562444] ? check_preemption_disabled+0x48/0x280 [ 393.567476] irq_exit+0x17f/0x1c0 [ 393.570930] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.575774] ? smp_reschedule_interrupt+0x109/0x650 [ 393.580795] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.586677] ? interrupt_entry+0xb5/0xc0 [ 393.590758] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.595782] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.600803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.605650] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.610682] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.615707] ? task_prio+0x50/0x50 [ 393.619268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.624806] ? check_preemption_disabled+0x48/0x280 [ 393.629830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.634677] apic_timer_interrupt+0xf/0x20 [ 393.638921] [ 393.641170] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 393.647065] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 393.665981] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 393.673703] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.680967] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 393.688236] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 393.695500] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 393.702765] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 393.710060] ? save_stack+0xa9/0xd0 [ 393.713694] __kmalloc_node_track_caller+0x3c/0x70 [ 393.718640] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 393.723421] pskb_expand_head+0x230/0x10f0 [ 393.727660] ? check_preemption_disabled+0x48/0x280 [ 393.732682] ? memcpy+0x45/0x50 [ 393.735964] ? __copy_skb_header+0x350/0x6b0 [ 393.740400] ? skb_release_data+0x880/0x880 [ 393.744746] ? __alloc_skb+0x770/0x770 [ 393.748653] ? __lock_is_held+0xb5/0x140 [ 393.752716] ? kasan_check_write+0x14/0x20 [ 393.756951] ? __skb_clone+0x6c7/0xa00 [ 393.760840] ? __copy_skb_header+0x6b0/0x6b0 [ 393.765247] ? kmem_cache_alloc+0x33a/0x730 [ 393.769568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.775113] skb_ensure_writable+0x3dd/0x640 [ 393.779529] ? skb_checksum_setup+0xaa0/0xaa0 [ 393.784031] ? preempt_notifier_register+0x200/0x200 [ 393.789134] ? __switch_to_asm+0x34/0x70 [ 393.793232] ? __switch_to_asm+0x34/0x70 [ 393.797293] ? __switch_to_asm+0x40/0x70 [ 393.801350] ? __switch_to_asm+0x34/0x70 [ 393.805404] ? __switch_to_asm+0x40/0x70 [ 393.809461] ? __switch_to_asm+0x40/0x70 [ 393.813523] ? __switch_to_asm+0x34/0x70 [ 393.817631] ? __switch_to_asm+0x34/0x70 [ 393.821716] ? __switch_to_asm+0x40/0x70 [ 393.825775] ? __switch_to_asm+0x34/0x70 [ 393.829842] bpf_clone_redirect+0x14a/0x490 [ 393.834189] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 393.839215] ? __sched_text_start+0x8/0x8 [ 393.843365] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.848129] ? find_held_lock+0x36/0x1c0 [ 393.852244] ? lock_acquire+0x1ed/0x520 [ 393.856263] ? bpf_test_run+0x3cb/0x780 [ 393.860250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.865789] ? check_preemption_disabled+0x48/0x280 [ 393.870811] ? kasan_check_read+0x11/0x20 [ 393.874955] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.880232] ? rcu_softirq_qs+0x20/0x20 [ 393.884227] ? preempt_schedule+0x4d/0x60 [ 393.888375] ? ___preempt_schedule+0x16/0x18 [ 393.892790] ? bpf_test_run+0x25d/0x780 [ 393.896775] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.901195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.906734] ? bpf_test_init.isra.10+0x70/0x100 [ 393.911412] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 393.916193] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.921036] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.926576] ? fput+0x130/0x1a0 [ 393.929857] ? __bpf_prog_get+0x9b/0x290 [ 393.933926] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.938770] ? bpf_prog_test_run+0x130/0x1a0 [ 393.943195] ? __x64_sys_bpf+0x3db/0x520 [ 393.947264] ? bpf_prog_get+0x20/0x20 [ 393.951088] ? do_syscall_64+0x1b9/0x820 [ 393.955144] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.960521] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.965452] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.970474] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.975491] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 393.982157] ? __switch_to_asm+0x40/0x70 [ 393.986234] ? __switch_to_asm+0x34/0x70 [ 393.990303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.995153] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.000547] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 394.000660] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 394.007505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.007511] Call Trace: [ 394.007528] dump_stack+0x244/0x39d [ 394.007553] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.014101] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 394.023380] warn_alloc.cold.116+0xb7/0x1bd [ 394.025932] syz-executor2 cpuset=syz2 mems_allowed=0 [ 394.029554] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.059459] ? lock_downgrade+0x900/0x900 [ 394.063629] ? trace_hardirqs_off+0xb8/0x310 [ 394.068044] ? trace_hardirqs_off+0xb8/0x310 [ 394.072463] __alloc_pages_slowpath+0x26e8/0x2e10 [ 394.077334] ? warn_alloc+0x120/0x120 [ 394.081153] ? print_usage_bug+0xc0/0xc0 [ 394.085236] ? warn_alloc+0x120/0x120 [ 394.089039] ? warn_alloc+0x120/0x120 [ 394.092845] ? print_usage_bug+0xc0/0xc0 [ 394.096941] ? print_usage_bug+0xc0/0xc0 [ 394.101002] ? __lock_acquire+0x62f/0x4c20 [ 394.105243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.110782] ? should_fail+0x22d/0xd01 [ 394.114683] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.119788] ? __lock_acquire+0x62f/0x4c20 [ 394.124054] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.129160] ? __lock_acquire+0x62f/0x4c20 [ 394.133401] ? should_fail+0x22d/0xd01 [ 394.137289] ? find_held_lock+0x36/0x1c0 [ 394.141375] ? mark_held_locks+0x130/0x130 [ 394.145629] ? mark_held_locks+0x130/0x130 [ 394.149879] ? zap_class+0x640/0x640 [ 394.153613] ? mark_held_locks+0xc7/0x130 [ 394.157761] ? do_raw_spin_unlock+0xa7/0x330 [ 394.162194] ? zap_class+0x640/0x640 [ 394.165910] ? print_usage_bug+0xc0/0xc0 [ 394.169974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.175515] ? check_preemption_disabled+0x48/0x280 [ 394.180545] ? __lock_is_held+0xb5/0x140 [ 394.184615] __alloc_pages_nodemask+0xa80/0xde0 [ 394.189306] ? zap_class+0x640/0x640 [ 394.193039] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 394.198066] ? find_held_lock+0x36/0x1c0 [ 394.202136] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.206808] ? lock_downgrade+0x900/0x900 [ 394.211252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.216798] cache_grow_begin+0xa5/0x8c0 [ 394.220871] ? do_raw_spin_unlock+0xa7/0x330 [ 394.225315] fallback_alloc+0x204/0x2e0 [ 394.229291] ____cache_alloc_node+0x1c7/0x1e0 [ 394.233788] kmem_cache_alloc_node+0xe3/0x730 [ 394.238302] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.242561] __alloc_skb+0x119/0x770 [ 394.246276] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.251559] ? netdev_alloc_frag+0x1f0/0x1f0 [ 394.255964] ? lock_downgrade+0x900/0x900 [ 394.260120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.265651] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.271112] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.276565] ? addrconf_rs_timer+0x690/0x690 [ 394.280987] ndisc_alloc_skb+0x144/0x340 [ 394.285051] ndisc_send_rs+0x331/0x6e0 [ 394.288958] addrconf_rs_timer+0x314/0x690 [ 394.293204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.297448] call_timer_fn+0x272/0x920 [ 394.301340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.305579] ? process_timeout+0x40/0x40 [ 394.309667] ? __run_timers+0x7da/0xc70 [ 394.313647] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.318156] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.322672] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.326913] ? lockdep_hardirqs_on+0x296/0x5b0 [ 394.331508] ? trace_hardirqs_on+0xbd/0x310 [ 394.335831] ? kasan_check_read+0x11/0x20 [ 394.339974] ? __run_timers+0x7da/0xc70 [ 394.343960] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.349067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.353322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.357588] __run_timers+0x7e5/0xc70 [ 394.361400] ? timer_fixup_init+0x70/0x70 [ 394.365547] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.370038] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.374540] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 394.379122] ? trace_hardirqs_on+0xbd/0x310 [ 394.383444] ? kasan_check_read+0x11/0x20 [ 394.387592] ? finish_task_switch+0x1f4/0x910 [ 394.392106] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.397212] ? compat_start_thread+0x80/0x80 [ 394.401644] ? pvclock_read_flags+0x160/0x160 [ 394.406139] ? __switch_to_asm+0x34/0x70 [ 394.410222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.415775] ? check_preemption_disabled+0x48/0x280 [ 394.420813] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 394.426356] ? rcu_pm_notify+0xc0/0xc0 [ 394.430248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.435805] ? check_preemption_disabled+0x48/0x280 [ 394.440839] run_timer_softirq+0x52/0xb0 [ 394.444900] ? rcu_read_lock_sched_held+0x14f/0x180 [ 394.449917] __do_softirq+0x308/0xb7e [ 394.453762] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 394.458885] ? smpboot_thread_fn+0x334/0xa00 [ 394.463297] ? schedule+0x108/0x460 [ 394.466936] ? trace_hardirqs_off+0xb8/0x310 [ 394.471344] ? smpboot_thread_fn+0x68b/0xa00 [ 394.475757] ? trace_hardirqs_on+0x310/0x310 [ 394.480174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.485764] ? check_preemption_disabled+0x48/0x280 [ 394.490788] ? takeover_tasklets+0xa90/0xa90 [ 394.495205] run_ksoftirqd+0x5e/0x100 [ 394.499010] smpboot_thread_fn+0x68b/0xa00 [ 394.503251] ? sort_range+0x30/0x30 [ 394.506878] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.511984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.517523] ? __kthread_parkme+0xfb/0x1a0 [ 394.521762] ? sort_range+0x30/0x30 [ 394.525389] kthread+0x35a/0x440 [ 394.528765] ? kthread_stop+0x900/0x900 [ 394.532745] ret_from_fork+0x3a/0x50 [ 394.536479] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 394.536485] warn_alloc_show_mem: 1 callbacks suppressed [ 394.536492] Mem-Info: [ 394.543877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.549257] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 394.549257] active_file:15 inactive_file:12 isolated_file:0 [ 394.549257] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.549257] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 394.549257] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 394.549257] free:13769 free_pcp:294 free_cma:0 [ 394.551628] Call Trace: [ 394.561019] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 394.594116] [ 394.596714] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 394.624555] dump_stack+0x244/0x39d [ 394.626726] lowmem_reserve[]: 0 2818 6321 6321 [ 394.652855] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.656460] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 394.661041] warn_alloc.cold.116+0xb7/0x1bd [ 394.666196] lowmem_reserve[]: 0 0 3503 3503 [ 394.693602] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.697904] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 394.702235] ? lock_downgrade+0x900/0x900 [ 394.707068] lowmem_reserve[]: 0 0 0 0 [ 394.736129] ? trace_hardirqs_off+0xb8/0x310 [ 394.740248] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 394.744040] ? trace_hardirqs_off+0xb8/0x310 [ 394.748419] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 394.761939] __alloc_pages_slowpath+0x26e8/0x2e10 [ 394.766317] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 394.781892] ? warn_alloc+0x120/0x120 [ 394.786695] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 394.801421] ? print_usage_bug+0xc0/0xc0 [ 394.805203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 394.814028] ? warn_alloc+0x120/0x120 [ 394.818065] 12557 total pagecache pages [ 394.826637] ? warn_alloc+0x120/0x120 [ 394.830418] 0 pages in swap cache [ 394.834384] ? print_usage_bug+0xc0/0xc0 [ 394.838191] Swap cache stats: add 0, delete 0, find 0/0 [ 394.841653] ? kvm_clock_read+0x18/0x30 [ 394.845690] Free swap = 0kB [ 394.851046] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 394.854998] Total swap = 0kB [ 394.858008] ? print_usage_bug+0xc0/0xc0 [ 394.863001] 1965979 pages RAM [ 394.866015] ? __lock_acquire+0x62f/0x4c20 [ 394.870074] 0 pages HighMem/MovableOnly [ 394.873193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.877393] 342853 pages reserved [ 394.881378] ? should_fail+0x22d/0xd01 [ 394.886889] 0 pages cma reserved [ 394.890339] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.894282] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 394.897577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.902925] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 394.909337] ? __lock_acquire+0x62f/0x4c20 [ 394.914419] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 394.924720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.938673] ? __lock_acquire+0x62f/0x4c20 [ 394.942910] ? should_fail+0x22d/0xd01 [ 394.946793] ? rcu_irq_exit+0x1a2/0x390 [ 394.950791] ? mark_held_locks+0x130/0x130 [ 394.955030] ? mark_held_locks+0x130/0x130 [ 394.959274] ? mark_held_locks+0xc7/0x130 [ 394.963429] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 394.968447] ? zap_class+0x640/0x640 [ 394.972160] ? print_usage_bug+0xc0/0xc0 [ 394.976242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.981784] ? check_preemption_disabled+0x48/0x280 [ 394.986825] ? __lock_is_held+0xb5/0x140 [ 394.990901] __alloc_pages_nodemask+0xa80/0xde0 [ 394.995572] ? zap_class+0x640/0x640 [ 394.999290] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 395.004317] ? find_held_lock+0x36/0x1c0 [ 395.008391] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.013061] ? lock_downgrade+0x900/0x900 [ 395.017223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.022779] cache_grow_begin+0xa5/0x8c0 [ 395.026842] ? do_raw_spin_unlock+0xa7/0x330 [ 395.031263] fallback_alloc+0x204/0x2e0 [ 395.035245] ____cache_alloc_node+0x1c7/0x1e0 [ 395.039765] kmem_cache_alloc_node+0xe3/0x730 [ 395.044266] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.048511] __alloc_skb+0x119/0x770 [ 395.052222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.057504] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.061913] ? lock_downgrade+0x900/0x900 [ 395.066066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.071603] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.077070] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.082524] ? addrconf_rs_timer+0x690/0x690 [ 395.086948] ndisc_alloc_skb+0x144/0x340 [ 395.091011] ndisc_send_rs+0x331/0x6e0 [ 395.094903] addrconf_rs_timer+0x314/0x690 [ 395.099147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.103418] call_timer_fn+0x272/0x920 [ 395.107318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.111555] ? process_timeout+0x40/0x40 [ 395.115626] ? __run_timers+0x7da/0xc70 [ 395.119603] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.124094] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.128588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.132863] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.137445] ? trace_hardirqs_on+0xbd/0x310 [ 395.141776] ? kasan_check_read+0x11/0x20 [ 395.145920] ? __run_timers+0x7da/0xc70 [ 395.149890] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.155013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.159255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.163486] __run_timers+0x7e5/0xc70 [ 395.167299] ? timer_fixup_init+0x70/0x70 [ 395.171449] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.176479] ? zap_class+0x640/0x640 [ 395.180203] ? enqueue_hrtimer+0x1a5/0x560 [ 395.184440] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.189634] ? find_held_lock+0x36/0x1c0 [ 395.193713] ? zap_class+0x640/0x640 [ 395.197427] ? pvclock_read_flags+0x160/0x160 [ 395.201944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.207481] ? check_preemption_disabled+0x48/0x280 [ 395.212977] ? __lock_is_held+0xb5/0x140 [ 395.217036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.222571] ? check_preemption_disabled+0x48/0x280 [ 395.227588] run_timer_softirq+0x52/0xb0 [ 395.231661] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.236679] __do_softirq+0x308/0xb7e [ 395.240482] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 395.244969] ? lock_downgrade+0x900/0x900 [ 395.249117] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 395.254234] ? pvclock_read_flags+0x160/0x160 [ 395.258730] ? lapic_next_event+0x5a/0x90 [ 395.262875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.268431] ? kvm_clock_read+0x18/0x30 [ 395.272399] ? kvm_sched_clock_read+0x9/0x20 [ 395.276836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.282402] ? check_preemption_disabled+0x48/0x280 [ 395.287439] irq_exit+0x17f/0x1c0 [ 395.290910] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.295749] ? smp_reschedule_interrupt+0x109/0x650 [ 395.300796] ? smp_call_function_single_interrupt+0x650/0x650 [ 395.306681] ? interrupt_entry+0xb5/0xc0 [ 395.310751] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.315764] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.320781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.325627] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.330645] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.335661] ? task_prio+0x50/0x50 [ 395.339209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.344867] ? check_preemption_disabled+0x48/0x280 [ 395.349890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.354741] apic_timer_interrupt+0xf/0x20 [ 395.358971] [ 395.361217] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 395.367100] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 395.386000] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 395.393707] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 395.400986] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 395.408252] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 395.415522] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 395.422791] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 395.430099] ? save_stack+0xa9/0xd0 [ 395.433737] __kmalloc_node_track_caller+0x3c/0x70 [ 395.438674] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 395.443440] pskb_expand_head+0x230/0x10f0 [ 395.447692] ? check_preemption_disabled+0x48/0x280 [ 395.452742] ? memcpy+0x45/0x50 [ 395.456022] ? __copy_skb_header+0x350/0x6b0 [ 395.460432] ? skb_release_data+0x880/0x880 [ 395.464751] ? __alloc_skb+0x770/0x770 [ 395.468646] ? __lock_is_held+0xb5/0x140 [ 395.472719] ? kasan_check_write+0x14/0x20 [ 395.476953] ? __skb_clone+0x6c7/0xa00 [ 395.480846] ? __copy_skb_header+0x6b0/0x6b0 [ 395.485252] ? kmem_cache_alloc+0x33a/0x730 [ 395.489578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.495119] skb_ensure_writable+0x3dd/0x640 [ 395.499529] ? skb_checksum_setup+0xaa0/0xaa0 [ 395.504030] ? preempt_notifier_register+0x200/0x200 [ 395.509143] ? __switch_to_asm+0x34/0x70 [ 395.513212] ? __switch_to_asm+0x34/0x70 [ 395.517268] ? __switch_to_asm+0x40/0x70 [ 395.521338] ? __switch_to_asm+0x34/0x70 [ 395.525425] ? __switch_to_asm+0x40/0x70 [ 395.529514] ? __switch_to_asm+0x40/0x70 [ 395.533573] ? __switch_to_asm+0x34/0x70 [ 395.537646] ? __switch_to_asm+0x34/0x70 [ 395.541706] ? __switch_to_asm+0x40/0x70 [ 395.545767] ? __switch_to_asm+0x34/0x70 [ 395.549833] bpf_clone_redirect+0x14a/0x490 [ 395.554187] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 395.559210] ? __sched_text_start+0x8/0x8 [ 395.563355] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 395.568153] ? find_held_lock+0x36/0x1c0 [ 395.572255] ? lock_acquire+0x1ed/0x520 [ 395.576263] ? bpf_test_run+0x3cb/0x780 [ 395.580250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.585797] ? check_preemption_disabled+0x48/0x280 [ 395.590815] ? kasan_check_read+0x11/0x20 [ 395.594967] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.600240] ? rcu_softirq_qs+0x20/0x20 [ 395.604214] ? preempt_schedule+0x4d/0x60 [ 395.608358] ? ___preempt_schedule+0x16/0x18 [ 395.612788] ? bpf_test_run+0x25d/0x780 [ 395.616788] ? netlink_diag_dump+0x2a0/0x2a0 [ 395.621211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.626767] ? bpf_test_init.isra.10+0x70/0x100 [ 395.631446] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 395.636221] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 395.641060] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 395.646595] ? fput+0x130/0x1a0 [ 395.649873] ? __bpf_prog_get+0x9b/0x290 [ 395.653944] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 395.658780] ? bpf_prog_test_run+0x130/0x1a0 [ 395.663197] ? __x64_sys_bpf+0x3db/0x520 [ 395.667261] ? bpf_prog_get+0x20/0x20 [ 395.671085] ? do_syscall_64+0x1b9/0x820 [ 395.675147] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 395.680528] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.685467] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.690491] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 395.695514] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 395.702189] ? __switch_to_asm+0x40/0x70 [ 395.706277] ? __switch_to_asm+0x34/0x70 [ 395.710342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.715202] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.720582] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 395.720649] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.727509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.727515] Call Trace: [ 395.727547] dump_stack+0x244/0x39d [ 395.727567] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.727592] warn_alloc.cold.116+0xb7/0x1bd [ 395.734132] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.743419] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.745999] syz-executor2 cpuset=syz2 mems_allowed=0 [ 395.749621] ? lock_downgrade+0x900/0x900 [ 395.783620] ? trace_hardirqs_off+0xb8/0x310 [ 395.788038] ? trace_hardirqs_off+0xb8/0x310 [ 395.792453] __alloc_pages_slowpath+0x26e8/0x2e10 [ 395.797328] ? warn_alloc+0x120/0x120 [ 395.801144] ? print_usage_bug+0xc0/0xc0 [ 395.805219] ? warn_alloc+0x120/0x120 [ 395.809021] ? warn_alloc+0x120/0x120 [ 395.812821] ? print_usage_bug+0xc0/0xc0 [ 395.816883] ? print_usage_bug+0xc0/0xc0 [ 395.820957] ? __lock_acquire+0x62f/0x4c20 [ 395.825233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.830772] ? should_fail+0x22d/0xd01 [ 395.834667] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.839778] ? __lock_acquire+0x62f/0x4c20 [ 395.844016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.849115] ? __lock_acquire+0x62f/0x4c20 [ 395.853343] ? should_fail+0x22d/0xd01 [ 395.857242] ? find_held_lock+0x36/0x1c0 [ 395.861317] ? mark_held_locks+0x130/0x130 [ 395.865558] ? mark_held_locks+0x130/0x130 [ 395.869788] ? zap_class+0x640/0x640 [ 395.873510] ? mark_held_locks+0xc7/0x130 [ 395.877706] ? do_raw_spin_unlock+0xa7/0x330 [ 395.882113] ? zap_class+0x640/0x640 [ 395.885824] ? print_usage_bug+0xc0/0xc0 [ 395.889890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.895446] ? check_preemption_disabled+0x48/0x280 [ 395.900474] ? __lock_is_held+0xb5/0x140 [ 395.904544] __alloc_pages_nodemask+0xa80/0xde0 [ 395.909229] ? zap_class+0x640/0x640 [ 395.912946] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 395.917971] ? find_held_lock+0x36/0x1c0 [ 395.922044] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.926722] ? lock_downgrade+0x900/0x900 [ 395.930881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.936428] cache_grow_begin+0xa5/0x8c0 [ 395.940490] ? do_raw_spin_unlock+0xa7/0x330 [ 395.944905] fallback_alloc+0x204/0x2e0 [ 395.948884] ____cache_alloc_node+0x1c7/0x1e0 [ 395.953400] kmem_cache_alloc_node+0xe3/0x730 [ 395.957896] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.962147] __alloc_skb+0x119/0x770 [ 395.965872] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.971153] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.975607] ? lock_downgrade+0x900/0x900 [ 395.979766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.985304] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.990757] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.996225] ? addrconf_rs_timer+0x690/0x690 [ 396.000646] ndisc_alloc_skb+0x144/0x340 [ 396.004731] ndisc_send_rs+0x331/0x6e0 [ 396.008628] addrconf_rs_timer+0x314/0x690 [ 396.012892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.017160] call_timer_fn+0x272/0x920 [ 396.021058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.025297] ? process_timeout+0x40/0x40 [ 396.029366] ? __run_timers+0x7da/0xc70 [ 396.033341] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.037840] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.042336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.046575] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.051160] ? trace_hardirqs_on+0xbd/0x310 [ 396.055488] ? kasan_check_read+0x11/0x20 [ 396.059635] ? __run_timers+0x7da/0xc70 [ 396.063628] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.068740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.072995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.077229] __run_timers+0x7e5/0xc70 [ 396.081038] ? timer_fixup_init+0x70/0x70 [ 396.085189] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.089701] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.094207] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 396.098806] ? trace_hardirqs_on+0xbd/0x310 [ 396.103128] ? kasan_check_read+0x11/0x20 [ 396.107278] ? finish_task_switch+0x1f4/0x910 [ 396.111779] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.116881] ? compat_start_thread+0x80/0x80 [ 396.121307] ? pvclock_read_flags+0x160/0x160 [ 396.125800] ? __switch_to_asm+0x34/0x70 [ 396.129898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.135439] ? check_preemption_disabled+0x48/0x280 [ 396.140468] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 396.146025] ? rcu_pm_notify+0xc0/0xc0 [ 396.149925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.155465] ? check_preemption_disabled+0x48/0x280 [ 396.160503] run_timer_softirq+0x52/0xb0 [ 396.164563] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.169576] __do_softirq+0x308/0xb7e [ 396.173391] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.178500] ? smpboot_thread_fn+0x334/0xa00 [ 396.182916] ? schedule+0x108/0x460 [ 396.186570] ? trace_hardirqs_off+0xb8/0x310 [ 396.190997] ? smpboot_thread_fn+0x68b/0xa00 [ 396.195410] ? trace_hardirqs_on+0x310/0x310 [ 396.199818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.205372] ? check_preemption_disabled+0x48/0x280 [ 396.210409] ? takeover_tasklets+0xa90/0xa90 [ 396.214958] run_ksoftirqd+0x5e/0x100 [ 396.218771] smpboot_thread_fn+0x68b/0xa00 [ 396.223011] ? sort_range+0x30/0x30 [ 396.226666] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.231777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.237335] ? __kthread_parkme+0xfb/0x1a0 [ 396.241573] ? sort_range+0x30/0x30 [ 396.245221] kthread+0x35a/0x440 [ 396.248592] ? kthread_stop+0x900/0x900 [ 396.252565] ret_from_fork+0x3a/0x50 [ 396.256296] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 396.256301] warn_alloc_show_mem: 1 callbacks suppressed [ 396.256309] Mem-Info: [ 396.263658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.269025] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 396.269025] active_file:15 inactive_file:12 isolated_file:0 [ 396.269025] unevictable:0 dirty:0 writeback:0 unstable:0 [ 396.269025] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 396.269025] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 396.269025] free:13769 free_pcp:294 free_cma:0 [ 396.271397] Call Trace: [ 396.280784] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 396.313886] [ 396.316459] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 396.344301] dump_stack+0x244/0x39d [ 396.346447] lowmem_reserve[]: 0 2818 6321 6321 [ 396.372553] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.376154] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 396.380748] warn_alloc.cold.116+0xb7/0x1bd [ 396.385908] lowmem_reserve[]: 0 0 3503 3503 [ 396.413312] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.417612] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 396.421931] ? lock_downgrade+0x900/0x900 [ 396.426750] lowmem_reserve[]: 0 0 0 0 [ 396.455804] ? trace_hardirqs_off+0xb8/0x310 [ 396.459920] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 396.463746] ? trace_hardirqs_off+0xb8/0x310 [ 396.468145] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 396.481687] __alloc_pages_slowpath+0x26e8/0x2e10 [ 396.486074] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 396.501607] ? warn_alloc+0x120/0x120 [ 396.506409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 396.521135] ? print_usage_bug+0xc0/0xc0 [ 396.524916] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 396.533735] ? warn_alloc+0x120/0x120 [ 396.537873] 12557 total pagecache pages [ 396.546444] ? warn_alloc+0x120/0x120 [ 396.550233] 0 pages in swap cache [ 396.554208] ? print_usage_bug+0xc0/0xc0 [ 396.557987] Swap cache stats: add 0, delete 0, find 0/0 [ 396.561434] ? kvm_clock_read+0x18/0x30 [ 396.565472] Free swap = 0kB [ 396.570829] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 396.574779] Total swap = 0kB [ 396.577790] ? print_usage_bug+0xc0/0xc0 [ 396.582780] 1965979 pages RAM [ 396.585816] ? __lock_acquire+0x62f/0x4c20 [ 396.589855] 0 pages HighMem/MovableOnly [ 396.592955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.597170] 342853 pages reserved [ 396.601138] ? should_fail+0x22d/0xd01 [ 396.606664] 0 pages cma reserved [ 396.610128] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.614054] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.617345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.622730] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.629082] ? __lock_acquire+0x62f/0x4c20 [ 396.634185] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 396.644490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.658493] ? __lock_acquire+0x62f/0x4c20 [ 396.662725] ? should_fail+0x22d/0xd01 [ 396.666608] ? rcu_irq_exit+0x1a2/0x390 [ 396.670592] ? mark_held_locks+0x130/0x130 [ 396.674831] ? mark_held_locks+0x130/0x130 [ 396.679077] ? mark_held_locks+0xc7/0x130 [ 396.683226] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 396.688244] ? zap_class+0x640/0x640 [ 396.691976] ? print_usage_bug+0xc0/0xc0 [ 396.696086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.701623] ? check_preemption_disabled+0x48/0x280 [ 396.706655] ? __lock_is_held+0xb5/0x140 [ 396.710739] __alloc_pages_nodemask+0xa80/0xde0 [ 396.715406] ? zap_class+0x640/0x640 [ 396.719146] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 396.724198] ? find_held_lock+0x36/0x1c0 [ 396.728275] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.732947] ? lock_downgrade+0x900/0x900 [ 396.737106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.742645] cache_grow_begin+0xa5/0x8c0 [ 396.746703] ? do_raw_spin_unlock+0xa7/0x330 [ 396.751121] fallback_alloc+0x204/0x2e0 [ 396.755098] ____cache_alloc_node+0x1c7/0x1e0 [ 396.759595] kmem_cache_alloc_node+0xe3/0x730 [ 396.764090] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.768330] __alloc_skb+0x119/0x770 [ 396.772077] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.777354] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.781775] ? lock_downgrade+0x900/0x900 [ 396.785950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.791484] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.796933] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.802384] ? addrconf_rs_timer+0x690/0x690 [ 396.806801] ndisc_alloc_skb+0x144/0x340 [ 396.810870] ndisc_send_rs+0x331/0x6e0 [ 396.814800] addrconf_rs_timer+0x314/0x690 [ 396.819048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.823288] call_timer_fn+0x272/0x920 [ 396.827200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.831445] ? process_timeout+0x40/0x40 [ 396.835530] ? __run_timers+0x7da/0xc70 [ 396.839521] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.844013] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.848519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.852753] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.857351] ? trace_hardirqs_on+0xbd/0x310 [ 396.861689] ? kasan_check_read+0x11/0x20 [ 396.865846] ? __run_timers+0x7da/0xc70 [ 396.869836] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.874942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.879190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.883420] __run_timers+0x7e5/0xc70 [ 396.887231] ? timer_fixup_init+0x70/0x70 [ 396.891384] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 396.896434] ? zap_class+0x640/0x640 [ 396.900156] ? enqueue_hrtimer+0x1a5/0x560 [ 396.904409] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 396.909624] ? find_held_lock+0x36/0x1c0 [ 396.913745] ? zap_class+0x640/0x640 [ 396.917465] ? pvclock_read_flags+0x160/0x160 [ 396.921963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.927500] ? check_preemption_disabled+0x48/0x280 [ 396.932524] ? __lock_is_held+0xb5/0x140 [ 396.936586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.942122] ? check_preemption_disabled+0x48/0x280 [ 396.947140] run_timer_softirq+0x52/0xb0 [ 396.951213] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.956244] __do_softirq+0x308/0xb7e [ 396.960045] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 396.964540] ? lock_downgrade+0x900/0x900 [ 396.968694] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.973806] ? pvclock_read_flags+0x160/0x160 [ 396.978300] ? lapic_next_event+0x5a/0x90 [ 396.982465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.988007] ? kvm_clock_read+0x18/0x30 [ 396.991978] ? kvm_sched_clock_read+0x9/0x20 [ 396.996388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.001921] ? check_preemption_disabled+0x48/0x280 [ 397.006941] irq_exit+0x17f/0x1c0 [ 397.010393] smp_apic_timer_interrupt+0x1cb/0x760 [ 397.015233] ? smp_reschedule_interrupt+0x109/0x650 [ 397.020245] ? smp_call_function_single_interrupt+0x650/0x650 [ 397.026141] ? interrupt_entry+0xb5/0xc0 [ 397.030241] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.035272] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.040289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.045129] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.050138] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.055159] ? task_prio+0x50/0x50 [ 397.058719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.064263] ? check_preemption_disabled+0x48/0x280 [ 397.069289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.074140] apic_timer_interrupt+0xf/0x20 [ 397.078383] [ 397.080623] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 397.086507] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 397.105406] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 397.113111] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 397.120377] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 397.127646] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 397.134910] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 397.142223] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 397.149533] ? save_stack+0xa9/0xd0 [ 397.153187] __kmalloc_node_track_caller+0x3c/0x70 [ 397.158153] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 397.162944] pskb_expand_head+0x230/0x10f0 [ 397.167191] ? check_preemption_disabled+0x48/0x280 [ 397.172218] ? memcpy+0x45/0x50 [ 397.175504] ? __copy_skb_header+0x350/0x6b0 [ 397.179914] ? skb_release_data+0x880/0x880 [ 397.184237] ? __alloc_skb+0x770/0x770 [ 397.188134] ? __lock_is_held+0xb5/0x140 [ 397.192217] ? kasan_check_write+0x14/0x20 [ 397.196453] ? __skb_clone+0x6c7/0xa00 [ 397.200344] ? __copy_skb_header+0x6b0/0x6b0 [ 397.204769] ? kmem_cache_alloc+0x33a/0x730 [ 397.209093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.214643] skb_ensure_writable+0x3dd/0x640 [ 397.219058] ? skb_checksum_setup+0xaa0/0xaa0 [ 397.223563] ? preempt_notifier_register+0x200/0x200 [ 397.228668] ? __switch_to_asm+0x34/0x70 [ 397.232727] ? __switch_to_asm+0x34/0x70 [ 397.236784] ? __switch_to_asm+0x40/0x70 [ 397.240842] ? __switch_to_asm+0x34/0x70 [ 397.244930] ? __switch_to_asm+0x40/0x70 [ 397.249022] ? __switch_to_asm+0x40/0x70 [ 397.253080] ? __switch_to_asm+0x34/0x70 [ 397.257135] ? __switch_to_asm+0x34/0x70 [ 397.261222] ? __switch_to_asm+0x40/0x70 [ 397.265288] ? __switch_to_asm+0x34/0x70 [ 397.269353] bpf_clone_redirect+0x14a/0x490 [ 397.273685] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 397.278720] ? __sched_text_start+0x8/0x8 [ 397.282871] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 397.287680] ? find_held_lock+0x36/0x1c0 [ 397.291783] ? lock_acquire+0x1ed/0x520 [ 397.295762] ? bpf_test_run+0x3cb/0x780 [ 397.299733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.305273] ? check_preemption_disabled+0x48/0x280 [ 397.310382] ? kasan_check_read+0x11/0x20 [ 397.314546] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.319870] ? rcu_softirq_qs+0x20/0x20 [ 397.323859] ? preempt_schedule+0x4d/0x60 [ 397.328024] ? ___preempt_schedule+0x16/0x18 [ 397.332446] ? bpf_test_run+0x25d/0x780 [ 397.336436] ? netlink_diag_dump+0x2a0/0x2a0 [ 397.340847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.346486] ? bpf_test_init.isra.10+0x70/0x100 [ 397.351189] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 397.355956] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 397.360798] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 397.366339] ? fput+0x130/0x1a0 [ 397.369622] ? __bpf_prog_get+0x9b/0x290 [ 397.373685] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 397.378559] ? bpf_prog_test_run+0x130/0x1a0 [ 397.382972] ? __x64_sys_bpf+0x3db/0x520 [ 397.387030] ? bpf_prog_get+0x20/0x20 [ 397.390854] ? do_syscall_64+0x1b9/0x820 [ 397.394913] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 397.400285] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.405220] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.410241] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 397.415286] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 397.421953] ? __switch_to_asm+0x40/0x70 [ 397.426014] ? __switch_to_asm+0x34/0x70 [ 397.430083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.434935] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.440317] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 397.440380] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.447238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.447243] Call Trace: [ 397.447262] dump_stack+0x244/0x39d [ 397.447285] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.453846] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.463124] warn_alloc.cold.116+0xb7/0x1bd [ 397.465686] syz-executor2 cpuset=syz2 mems_allowed=0 [ 397.469303] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.499178] ? lock_downgrade+0x900/0x900 [ 397.503337] ? trace_hardirqs_off+0xb8/0x310 [ 397.507752] ? trace_hardirqs_off+0xb8/0x310 [ 397.512181] __alloc_pages_slowpath+0x26e8/0x2e10 [ 397.517054] ? warn_alloc+0x120/0x120 [ 397.520875] ? warn_alloc+0x120/0x120 [ 397.524699] ? warn_alloc+0x120/0x120 [ 397.528504] ? print_usage_bug+0xc0/0xc0 [ 397.532565] ? check_preemption_disabled+0x48/0x280 [ 397.537585] ? print_usage_bug+0xc0/0xc0 [ 397.541647] ? kasan_check_read+0x11/0x20 [ 397.545803] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.551098] ? rcu_softirq_qs+0x20/0x20 [ 397.555078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.560630] ? should_fail+0x22d/0xd01 [ 397.564539] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.569643] ? __lock_acquire+0x62f/0x4c20 [ 397.573890] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.579011] ? __lock_acquire+0x62f/0x4c20 [ 397.583243] ? should_fail+0x22d/0xd01 [ 397.587139] ? mark_held_locks+0x130/0x130 [ 397.591388] ? mark_held_locks+0x130/0x130 [ 397.595627] ? lock_downgrade+0x900/0x900 [ 397.599792] ? zap_class+0x640/0x640 [ 397.603537] ? print_usage_bug+0xc0/0xc0 [ 397.607595] ? trace_hardirqs_off+0xb8/0x310 [ 397.611999] ? kasan_check_read+0x11/0x20 [ 397.616148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.621699] ? check_preemption_disabled+0x48/0x280 [ 397.626740] ? __lock_is_held+0xb5/0x140 [ 397.630806] __alloc_pages_nodemask+0xa80/0xde0 [ 397.635475] ? zap_class+0x640/0x640 [ 397.639202] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 397.644230] ? find_held_lock+0x36/0x1c0 [ 397.648298] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.652969] ? lock_downgrade+0x900/0x900 [ 397.657126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.662668] cache_grow_begin+0xa5/0x8c0 [ 397.666753] ? do_raw_spin_unlock+0xa7/0x330 [ 397.671180] fallback_alloc+0x204/0x2e0 [ 397.675163] ____cache_alloc_node+0x1c7/0x1e0 [ 397.679695] kmem_cache_alloc_node+0xe3/0x730 [ 397.684202] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.688462] __alloc_skb+0x119/0x770 [ 397.692183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.697462] ? netdev_alloc_frag+0x1f0/0x1f0 [ 397.701871] ? lock_downgrade+0x900/0x900 [ 397.706022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.711578] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.717061] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.722513] ? addrconf_rs_timer+0x690/0x690 [ 397.726930] ndisc_alloc_skb+0x144/0x340 [ 397.731023] ndisc_send_rs+0x331/0x6e0 [ 397.734933] addrconf_rs_timer+0x314/0x690 [ 397.739180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.743444] call_timer_fn+0x272/0x920 [ 397.747330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.751577] ? process_timeout+0x40/0x40 [ 397.755649] ? __run_timers+0x7da/0xc70 [ 397.759626] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.764153] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.768650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.772887] ? lockdep_hardirqs_on+0x296/0x5b0 [ 397.777469] ? trace_hardirqs_on+0xbd/0x310 [ 397.781789] ? kasan_check_read+0x11/0x20 [ 397.785932] ? __run_timers+0x7da/0xc70 [ 397.789922] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.795035] ? __queue_work+0x1440/0x1440 [ 397.799196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.803427] __run_timers+0x7e5/0xc70 [ 397.807236] ? timer_fixup_init+0x70/0x70 [ 397.811418] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.815912] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.820446] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 397.825033] ? trace_hardirqs_on+0xbd/0x310 [ 397.829359] ? kasan_check_read+0x11/0x20 [ 397.833511] ? finish_task_switch+0x1f4/0x910 [ 397.838007] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.843142] ? compat_start_thread+0x80/0x80 [ 397.847577] ? pvclock_read_flags+0x160/0x160 [ 397.852067] ? __switch_to_asm+0x34/0x70 [ 397.856131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.861688] ? check_preemption_disabled+0x48/0x280 [ 397.866714] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 397.872273] ? rcu_pm_notify+0xc0/0xc0 [ 397.876163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.881710] ? check_preemption_disabled+0x48/0x280 [ 397.886739] run_timer_softirq+0x52/0xb0 [ 397.890802] ? rcu_read_lock_sched_held+0x14f/0x180 [ 397.895833] __do_softirq+0x308/0xb7e [ 397.899664] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 397.904789] ? smpboot_thread_fn+0x334/0xa00 [ 397.909231] ? schedule+0x108/0x460 [ 397.912882] ? trace_hardirqs_off+0xb8/0x310 [ 397.917297] ? smpboot_thread_fn+0x68b/0xa00 [ 397.921713] ? trace_hardirqs_on+0x310/0x310 [ 397.926123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.931689] ? check_preemption_disabled+0x48/0x280 [ 397.936709] ? takeover_tasklets+0xa90/0xa90 [ 397.941123] run_ksoftirqd+0x5e/0x100 [ 397.944922] smpboot_thread_fn+0x68b/0xa00 [ 397.949189] ? sort_range+0x30/0x30 [ 397.952820] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.957941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.963513] ? __kthread_parkme+0xfb/0x1a0 [ 397.967761] ? sort_range+0x30/0x30 [ 397.971388] kthread+0x35a/0x440 [ 397.974758] ? kthread_stop+0x900/0x900 [ 397.978737] ret_from_fork+0x3a/0x50 [ 397.982463] warn_alloc_show_mem: 1 callbacks suppressed [ 397.982475] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 397.982476] Mem-Info: [ 397.982509] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 397.982509] active_file:15 inactive_file:12 isolated_file:0 [ 397.982509] unevictable:0 dirty:0 writeback:0 unstable:0 [ 397.982509] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 397.982509] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 397.982509] free:13769 free_pcp:294 free_cma:0 [ 397.987837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.995210] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 397.997613] Call Trace: [ 398.030739] 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 [ 398.040080] [ 398.067905] lowmem_reserve[]: 0 2818 6321 6321 [ 398.070480] dump_stack+0x244/0x39d [ 398.096562] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 398.098709] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.103265] lowmem_reserve[]: 0 0 3503 3503 [ 398.106893] warn_alloc.cold.116+0xb7/0x1bd [ 398.134273] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 398.139491] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.143785] lowmem_reserve[]: 0 0 0 0 [ 398.148101] ? lock_downgrade+0x900/0x900 [ 398.177133] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 398.181968] ? trace_hardirqs_off+0xb8/0x310 [ 398.185762] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 398.189905] ? trace_hardirqs_off+0xb8/0x310 [ 398.203403] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 398.207819] __alloc_pages_slowpath+0x26e8/0x2e10 [ 398.223597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 398.228013] ? warn_alloc+0x120/0x120 [ 398.242710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 398.247538] ? print_usage_bug+0xc0/0xc0 [ 398.256393] 12557 total pagecache pages [ 398.260191] ? warn_alloc+0x120/0x120 [ 398.268740] 0 pages in swap cache [ 398.272786] ? warn_alloc+0x120/0x120 [ 398.276740] Swap cache stats: add 0, delete 0, find 0/0 [ 398.280544] ? print_usage_bug+0xc0/0xc0 [ 398.283972] Free swap = 0kB [ 398.287763] ? kvm_clock_read+0x18/0x30 [ 398.293098] Total swap = 0kB [ 398.297207] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 398.300214] 1965979 pages RAM [ 398.304205] ? print_usage_bug+0xc0/0xc0 [ 398.307196] 0 pages HighMem/MovableOnly [ 398.312228] ? __lock_acquire+0x62f/0x4c20 [ 398.315324] 342853 pages reserved [ 398.319393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.323342] 0 pages cma reserved [ 398.327568] ? should_fail+0x22d/0xd01 [ 398.331044] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.337484] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.337504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.337520] ? __lock_acquire+0x62f/0x4c20 [ 398.340929] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.344764] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.351244] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 398.356515] ? __lock_acquire+0x62f/0x4c20 [ 398.390087] ? should_fail+0x22d/0xd01 [ 398.393969] ? rcu_irq_exit+0x1a2/0x390 [ 398.397954] ? mark_held_locks+0x130/0x130 [ 398.402205] ? mark_held_locks+0x130/0x130 [ 398.406465] ? mark_held_locks+0xc7/0x130 [ 398.410614] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 398.415634] ? zap_class+0x640/0x640 [ 398.419352] ? print_usage_bug+0xc0/0xc0 [ 398.423415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.428955] ? check_preemption_disabled+0x48/0x280 [ 398.433978] ? __lock_is_held+0xb5/0x140 [ 398.438043] __alloc_pages_nodemask+0xa80/0xde0 [ 398.442706] ? zap_class+0x640/0x640 [ 398.446422] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 398.451442] ? find_held_lock+0x36/0x1c0 [ 398.455510] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.460189] ? lock_downgrade+0x900/0x900 [ 398.464344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.469884] cache_grow_begin+0xa5/0x8c0 [ 398.473941] ? do_raw_spin_unlock+0xa7/0x330 [ 398.478357] fallback_alloc+0x204/0x2e0 [ 398.482351] ____cache_alloc_node+0x1c7/0x1e0 [ 398.486854] kmem_cache_alloc_node+0xe3/0x730 [ 398.491343] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.495582] __alloc_skb+0x119/0x770 [ 398.499306] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.504587] ? netdev_alloc_frag+0x1f0/0x1f0 [ 398.509007] ? lock_downgrade+0x900/0x900 [ 398.513157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.518728] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.524194] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.529677] ? addrconf_rs_timer+0x690/0x690 [ 398.534105] ndisc_alloc_skb+0x144/0x340 [ 398.538173] ndisc_send_rs+0x331/0x6e0 [ 398.542070] addrconf_rs_timer+0x314/0x690 [ 398.546308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.550569] call_timer_fn+0x272/0x920 [ 398.554456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.558685] ? process_timeout+0x40/0x40 [ 398.562781] ? __run_timers+0x7da/0xc70 [ 398.566757] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.571251] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.575742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.579976] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.584559] ? trace_hardirqs_on+0xbd/0x310 [ 398.588877] ? kasan_check_read+0x11/0x20 [ 398.593023] ? __run_timers+0x7da/0xc70 [ 398.596998] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.602116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.606353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.610583] __run_timers+0x7e5/0xc70 [ 398.614392] ? timer_fixup_init+0x70/0x70 [ 398.618545] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 398.623591] ? zap_class+0x640/0x640 [ 398.627314] ? enqueue_hrtimer+0x1a5/0x560 [ 398.631567] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 398.636760] ? find_held_lock+0x36/0x1c0 [ 398.640823] ? zap_class+0x640/0x640 [ 398.644540] ? pvclock_read_flags+0x160/0x160 [ 398.649035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.654572] ? check_preemption_disabled+0x48/0x280 [ 398.659595] ? __lock_is_held+0xb5/0x140 [ 398.663660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.669226] ? check_preemption_disabled+0x48/0x280 [ 398.674246] run_timer_softirq+0x52/0xb0 [ 398.678306] ? rcu_read_lock_sched_held+0x14f/0x180 [ 398.683322] __do_softirq+0x308/0xb7e [ 398.687124] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 398.691617] ? lock_downgrade+0x900/0x900 [ 398.695770] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 398.700880] ? pvclock_read_flags+0x160/0x160 [ 398.705374] ? lapic_next_event+0x5a/0x90 [ 398.709523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.715063] ? kvm_clock_read+0x18/0x30 [ 398.719067] ? kvm_sched_clock_read+0x9/0x20 [ 398.723509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.729059] ? check_preemption_disabled+0x48/0x280 [ 398.734085] irq_exit+0x17f/0x1c0 [ 398.737537] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.742375] ? smp_reschedule_interrupt+0x109/0x650 [ 398.747398] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.753283] ? interrupt_entry+0xb5/0xc0 [ 398.757340] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.762367] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.767381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.772222] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.777234] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.782264] ? task_prio+0x50/0x50 [ 398.785838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.791406] ? check_preemption_disabled+0x48/0x280 [ 398.796459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.801326] apic_timer_interrupt+0xf/0x20 [ 398.805551] [ 398.807790] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 398.813672] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 398.832566] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 398.840268] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 398.847548] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 398.854817] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 398.862082] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 398.869345] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 398.876638] ? save_stack+0xa9/0xd0 [ 398.880276] __kmalloc_node_track_caller+0x3c/0x70 [ 398.885209] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 398.889968] pskb_expand_head+0x230/0x10f0 [ 398.894204] ? check_preemption_disabled+0x48/0x280 [ 398.899223] ? memcpy+0x45/0x50 [ 398.902504] ? __copy_skb_header+0x350/0x6b0 [ 398.906911] ? skb_release_data+0x880/0x880 [ 398.911234] ? __alloc_skb+0x770/0x770 [ 398.915130] ? __lock_is_held+0xb5/0x140 [ 398.919209] ? kasan_check_write+0x14/0x20 [ 398.923444] ? __skb_clone+0x6c7/0xa00 [ 398.927338] ? __copy_skb_header+0x6b0/0x6b0 [ 398.931746] ? kmem_cache_alloc+0x33a/0x730 [ 398.936099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.941647] skb_ensure_writable+0x3dd/0x640 [ 398.946058] ? skb_checksum_setup+0xaa0/0xaa0 [ 398.950556] ? preempt_notifier_register+0x200/0x200 [ 398.955673] ? __switch_to_asm+0x34/0x70 [ 398.959732] ? __switch_to_asm+0x34/0x70 [ 398.963797] ? __switch_to_asm+0x40/0x70 [ 398.967854] ? __switch_to_asm+0x34/0x70 [ 398.971942] ? __switch_to_asm+0x40/0x70 [ 398.976000] ? __switch_to_asm+0x40/0x70 [ 398.980061] ? __switch_to_asm+0x34/0x70 [ 398.984121] ? __switch_to_asm+0x34/0x70 [ 398.988218] ? __switch_to_asm+0x40/0x70 [ 398.992309] ? __switch_to_asm+0x34/0x70 [ 398.996373] bpf_clone_redirect+0x14a/0x490 [ 399.000712] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 399.005726] ? __sched_text_start+0x8/0x8 [ 399.009875] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.014639] ? find_held_lock+0x36/0x1c0 [ 399.018706] ? lock_acquire+0x1ed/0x520 [ 399.022678] ? bpf_test_run+0x3cb/0x780 [ 399.026650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.032222] ? check_preemption_disabled+0x48/0x280 [ 399.037244] ? kasan_check_read+0x11/0x20 [ 399.041395] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.046670] ? rcu_softirq_qs+0x20/0x20 [ 399.050660] ? preempt_schedule+0x4d/0x60 [ 399.054802] ? ___preempt_schedule+0x16/0x18 [ 399.059230] ? bpf_test_run+0x25d/0x780 [ 399.063218] ? netlink_diag_dump+0x2a0/0x2a0 [ 399.067629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.073172] ? bpf_test_init.isra.10+0x70/0x100 [ 399.077846] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 399.082607] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 399.087460] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 399.092998] ? fput+0x130/0x1a0 [ 399.096275] ? __bpf_prog_get+0x9b/0x290 [ 399.100333] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 399.105182] ? bpf_prog_test_run+0x130/0x1a0 [ 399.109594] ? __x64_sys_bpf+0x3db/0x520 [ 399.113652] ? bpf_prog_get+0x20/0x20 [ 399.117474] ? do_syscall_64+0x1b9/0x820 [ 399.121551] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 399.126935] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.131867] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.136882] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 399.141914] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 399.148576] ? __switch_to_asm+0x40/0x70 [ 399.152632] ? __switch_to_asm+0x34/0x70 [ 399.156713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.161576] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.166954] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 399.167013] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.173876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.173881] Call Trace: [ 399.173899] dump_stack+0x244/0x39d [ 399.173950] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.180468] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.189780] warn_alloc.cold.116+0xb7/0x1bd [ 399.192333] syz-executor2 cpuset=syz2 mems_allowed=0 [ 399.195967] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.225842] ? lock_downgrade+0x900/0x900 [ 399.229997] ? trace_hardirqs_off+0xb8/0x310 [ 399.234410] ? trace_hardirqs_off+0xb8/0x310 [ 399.238823] __alloc_pages_slowpath+0x26e8/0x2e10 [ 399.243693] ? warn_alloc+0x120/0x120 [ 399.247496] ? print_usage_bug+0xc0/0xc0 [ 399.251559] ? warn_alloc+0x120/0x120 [ 399.255364] ? warn_alloc+0x120/0x120 [ 399.259175] ? print_usage_bug+0xc0/0xc0 [ 399.263254] ? print_usage_bug+0xc0/0xc0 [ 399.267320] ? __lock_acquire+0x62f/0x4c20 [ 399.271557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.277091] ? should_fail+0x22d/0xd01 [ 399.280987] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.286098] ? __lock_acquire+0x62f/0x4c20 [ 399.290338] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.295448] ? __lock_acquire+0x62f/0x4c20 [ 399.299682] ? should_fail+0x22d/0xd01 [ 399.303572] ? find_held_lock+0x36/0x1c0 [ 399.307659] ? mark_held_locks+0x130/0x130 [ 399.311935] ? mark_held_locks+0x130/0x130 [ 399.316174] ? zap_class+0x640/0x640 [ 399.319889] ? zap_class+0x640/0x640 [ 399.323606] ? print_usage_bug+0xc0/0xc0 [ 399.327666] ? do_raw_spin_unlock+0xa7/0x330 [ 399.332076] ? zap_class+0x640/0x640 [ 399.335787] ? print_usage_bug+0xc0/0xc0 [ 399.339855] ? wq_watchdog_touch+0x9c/0xfe [ 399.344565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.350103] ? check_preemption_disabled+0x48/0x280 [ 399.355125] ? __lock_is_held+0xb5/0x140 [ 399.359198] __alloc_pages_nodemask+0xa80/0xde0 [ 399.363869] ? zap_class+0x640/0x640 [ 399.367585] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 399.372616] ? find_held_lock+0x36/0x1c0 [ 399.376690] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.381361] ? lock_downgrade+0x900/0x900 [ 399.385521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.391095] cache_grow_begin+0xa5/0x8c0 [ 399.395158] ? do_raw_spin_unlock+0xa7/0x330 [ 399.399585] fallback_alloc+0x204/0x2e0 [ 399.403588] ____cache_alloc_node+0x1c7/0x1e0 [ 399.408086] kmem_cache_alloc_node+0xe3/0x730 [ 399.412582] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.416847] __alloc_skb+0x119/0x770 [ 399.420573] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.425852] ? netdev_alloc_frag+0x1f0/0x1f0 [ 399.430264] ? lock_downgrade+0x900/0x900 [ 399.434438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.439974] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.445435] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.450900] ? addrconf_rs_timer+0x690/0x690 [ 399.455319] ndisc_alloc_skb+0x144/0x340 [ 399.459384] ndisc_send_rs+0x331/0x6e0 [ 399.463279] addrconf_rs_timer+0x314/0x690 [ 399.467522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.471771] call_timer_fn+0x272/0x920 [ 399.475671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.479923] ? process_timeout+0x40/0x40 [ 399.483993] ? __run_timers+0x7da/0xc70 [ 399.487968] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.492460] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.496966] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.501204] ? lockdep_hardirqs_on+0x296/0x5b0 [ 399.505793] ? trace_hardirqs_on+0xbd/0x310 [ 399.510116] ? kasan_check_read+0x11/0x20 [ 399.514263] ? __run_timers+0x7da/0xc70 [ 399.518241] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.523353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.527593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.531830] __run_timers+0x7e5/0xc70 [ 399.535642] ? timer_fixup_init+0x70/0x70 [ 399.539792] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.544298] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.548813] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 399.553401] ? trace_hardirqs_on+0xbd/0x310 [ 399.557722] ? kasan_check_read+0x11/0x20 [ 399.561872] ? finish_task_switch+0x1f4/0x910 [ 399.566368] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.571517] ? compat_start_thread+0x80/0x80 [ 399.575951] ? pvclock_read_flags+0x160/0x160 [ 399.580460] ? __switch_to_asm+0x34/0x70 [ 399.584525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.590061] ? check_preemption_disabled+0x48/0x280 [ 399.595087] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 399.600620] ? rcu_pm_notify+0xc0/0xc0 [ 399.604502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.610036] ? check_preemption_disabled+0x48/0x280 [ 399.615056] run_timer_softirq+0x52/0xb0 [ 399.619129] ? rcu_read_lock_sched_held+0x14f/0x180 [ 399.624147] __do_softirq+0x308/0xb7e [ 399.627970] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 399.633088] ? smpboot_thread_fn+0x334/0xa00 [ 399.637502] ? schedule+0x108/0x460 [ 399.641144] ? trace_hardirqs_off+0xb8/0x310 [ 399.645561] ? smpboot_thread_fn+0x68b/0xa00 [ 399.649967] ? trace_hardirqs_on+0x310/0x310 [ 399.654391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.659924] ? check_preemption_disabled+0x48/0x280 [ 399.664938] ? takeover_tasklets+0xa90/0xa90 [ 399.669351] run_ksoftirqd+0x5e/0x100 [ 399.673152] smpboot_thread_fn+0x68b/0xa00 [ 399.677400] ? sort_range+0x30/0x30 [ 399.681024] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.686126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.691663] ? __kthread_parkme+0xfb/0x1a0 [ 399.695908] ? sort_range+0x30/0x30 [ 399.699536] kthread+0x35a/0x440 [ 399.702898] ? kthread_stop+0x900/0x900 [ 399.706872] ret_from_fork+0x3a/0x50 [ 399.710602] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 399.710607] warn_alloc_show_mem: 1 callbacks suppressed [ 399.710614] Mem-Info: [ 399.717972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.723334] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 399.723334] active_file:15 inactive_file:12 isolated_file:0 [ 399.723334] unevictable:0 dirty:0 writeback:0 unstable:0 [ 399.723334] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 399.723334] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 399.723334] free:13769 free_pcp:294 free_cma:0 [ 399.725730] Call Trace: [ 399.735128] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 399.768226] [ 399.770813] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 399.798657] dump_stack+0x244/0x39d [ 399.800780] lowmem_reserve[]: 0 2818 6321 6321 [ 399.826878] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.830474] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 399.835051] warn_alloc.cold.116+0xb7/0x1bd [ 399.840205] lowmem_reserve[]: 0 0 3503 3503 [ 399.867608] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.871904] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 399.876217] ? lock_downgrade+0x900/0x900 [ 399.881029] lowmem_reserve[]: 0 0 0 0 [ 399.910086] ? trace_hardirqs_off+0xb8/0x310 [ 399.914207] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 399.918003] ? trace_hardirqs_off+0xb8/0x310 [ 399.922383] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 399.935901] __alloc_pages_slowpath+0x26e8/0x2e10 [ 399.940280] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 399.955817] ? warn_alloc+0x120/0x120 [ 399.960621] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 399.975361] ? print_usage_bug+0xc0/0xc0 [ 399.979155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 399.987991] ? warn_alloc+0x120/0x120 [ 399.992045] 12557 total pagecache pages [ 400.000609] ? warn_alloc+0x120/0x120 [ 400.004387] 0 pages in swap cache [ 400.008370] ? print_usage_bug+0xc0/0xc0 [ 400.012182] Swap cache stats: add 0, delete 0, find 0/0 [ 400.015644] ? print_usage_bug+0xc0/0xc0 [ 400.019683] Free swap = 0kB [ 400.025031] ? __lock_acquire+0x62f/0x4c20 [ 400.029068] Total swap = 0kB [ 400.032081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.036287] 1965979 pages RAM [ 400.039299] ? should_fail+0x22d/0xd01 [ 400.044822] 0 pages HighMem/MovableOnly [ 400.047917] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.051776] 342853 pages reserved [ 400.055739] ? __lock_acquire+0x62f/0x4c20 [ 400.060813] 0 pages cma reserved [ 400.064257] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.068569] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.071826] ? __lock_acquire+0x62f/0x4c20 [ 400.076987] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.083396] ? should_fail+0x22d/0xd01 [ 400.087605] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 400.097911] ? find_held_lock+0x36/0x1c0 [ 400.110499] ? mark_held_locks+0x130/0x130 [ 400.114739] ? mark_held_locks+0x130/0x130 [ 400.119002] ? zap_class+0x640/0x640 [ 400.122728] ? zap_class+0x640/0x640 [ 400.126445] ? print_usage_bug+0xc0/0xc0 [ 400.130503] ? do_raw_spin_unlock+0xa7/0x330 [ 400.134911] ? zap_class+0x640/0x640 [ 400.138623] ? print_usage_bug+0xc0/0xc0 [ 400.142679] ? wq_watchdog_touch+0x9c/0xfe [ 400.146923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.152470] ? check_preemption_disabled+0x48/0x280 [ 400.157490] ? __lock_is_held+0xb5/0x140 [ 400.161551] __alloc_pages_nodemask+0xa80/0xde0 [ 400.166215] ? zap_class+0x640/0x640 [ 400.169928] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 400.174956] ? find_held_lock+0x36/0x1c0 [ 400.179024] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.183693] ? lock_downgrade+0x900/0x900 [ 400.187851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.193405] cache_grow_begin+0xa5/0x8c0 [ 400.197463] ? do_raw_spin_unlock+0xa7/0x330 [ 400.201873] fallback_alloc+0x204/0x2e0 [ 400.205849] ____cache_alloc_node+0x1c7/0x1e0 [ 400.210348] kmem_cache_alloc_node+0xe3/0x730 [ 400.215283] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.219530] __alloc_skb+0x119/0x770 [ 400.223240] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.228520] ? netdev_alloc_frag+0x1f0/0x1f0 [ 400.232932] ? lock_downgrade+0x900/0x900 [ 400.237083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.242633] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.248084] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.253541] ? addrconf_rs_timer+0x690/0x690 [ 400.257955] ndisc_alloc_skb+0x144/0x340 [ 400.262017] ndisc_send_rs+0x331/0x6e0 [ 400.265918] addrconf_rs_timer+0x314/0x690 [ 400.270155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.274436] call_timer_fn+0x272/0x920 [ 400.278324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.282554] ? process_timeout+0x40/0x40 [ 400.286620] ? __run_timers+0x7da/0xc70 [ 400.290593] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.295083] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.299586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.303836] ? lockdep_hardirqs_on+0x296/0x5b0 [ 400.308435] ? trace_hardirqs_on+0xbd/0x310 [ 400.312759] ? kasan_check_read+0x11/0x20 [ 400.316908] ? __run_timers+0x7da/0xc70 [ 400.320883] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.325988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.330230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.334463] __run_timers+0x7e5/0xc70 [ 400.338271] ? timer_fixup_init+0x70/0x70 [ 400.342431] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.347451] ? zap_class+0x640/0x640 [ 400.351184] ? enqueue_hrtimer+0x1a5/0x560 [ 400.355421] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 400.360650] ? find_held_lock+0x36/0x1c0 [ 400.364730] ? zap_class+0x640/0x640 [ 400.368446] ? pvclock_read_flags+0x160/0x160 [ 400.372946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.378485] ? check_preemption_disabled+0x48/0x280 [ 400.383527] ? __lock_is_held+0xb5/0x140 [ 400.387593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.393132] ? check_preemption_disabled+0x48/0x280 [ 400.398173] run_timer_softirq+0x52/0xb0 [ 400.402242] ? rcu_read_lock_sched_held+0x14f/0x180 [ 400.407263] __do_softirq+0x308/0xb7e [ 400.411067] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 400.415562] ? lock_downgrade+0x900/0x900 [ 400.419731] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 400.424842] ? pvclock_read_flags+0x160/0x160 [ 400.429352] ? lapic_next_event+0x5a/0x90 [ 400.433504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.439049] ? kvm_clock_read+0x18/0x30 [ 400.443020] ? kvm_sched_clock_read+0x9/0x20 [ 400.447435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.452972] ? check_preemption_disabled+0x48/0x280 [ 400.458000] irq_exit+0x17f/0x1c0 [ 400.461453] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.466297] ? smp_reschedule_interrupt+0x109/0x650 [ 400.471313] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.477205] ? interrupt_entry+0xb5/0xc0 [ 400.481269] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.486287] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.491306] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.496146] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.501184] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.506204] ? task_prio+0x50/0x50 [ 400.509748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.515283] ? check_preemption_disabled+0x48/0x280 [ 400.520303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.525153] apic_timer_interrupt+0xf/0x20 [ 400.529392] [ 400.531632] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 400.537515] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 400.556418] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 400.564124] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 400.571389] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 400.578655] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 400.585917] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 400.593189] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 400.600497] ? save_stack+0xa9/0xd0 [ 400.604132] __kmalloc_node_track_caller+0x3c/0x70 [ 400.609105] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 400.613865] pskb_expand_head+0x230/0x10f0 [ 400.618094] ? check_preemption_disabled+0x48/0x280 [ 400.623113] ? memcpy+0x45/0x50 [ 400.626409] ? __copy_skb_header+0x350/0x6b0 [ 400.630816] ? skb_release_data+0x880/0x880 [ 400.635133] ? __alloc_skb+0x770/0x770 [ 400.639026] ? __lock_is_held+0xb5/0x140 [ 400.643089] ? kasan_check_write+0x14/0x20 [ 400.647316] ? __skb_clone+0x6c7/0xa00 [ 400.651211] ? __copy_skb_header+0x6b0/0x6b0 [ 400.655620] ? kmem_cache_alloc+0x33a/0x730 [ 400.659947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.665486] skb_ensure_writable+0x3dd/0x640 [ 400.669896] ? skb_checksum_setup+0xaa0/0xaa0 [ 400.674406] ? preempt_notifier_register+0x200/0x200 [ 400.679504] ? __switch_to_asm+0x34/0x70 [ 400.683570] ? __switch_to_asm+0x34/0x70 [ 400.687644] ? __switch_to_asm+0x40/0x70 [ 400.691698] ? __switch_to_asm+0x34/0x70 [ 400.695756] ? __switch_to_asm+0x40/0x70 [ 400.699812] ? __switch_to_asm+0x40/0x70 [ 400.703871] ? __switch_to_asm+0x34/0x70 [ 400.707926] ? __switch_to_asm+0x34/0x70 [ 400.711998] ? __switch_to_asm+0x40/0x70 [ 400.716068] ? __switch_to_asm+0x34/0x70 [ 400.720131] bpf_clone_redirect+0x14a/0x490 [ 400.724459] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 400.729482] ? __sched_text_start+0x8/0x8 [ 400.733628] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 400.738392] ? find_held_lock+0x36/0x1c0 [ 400.742457] ? lock_acquire+0x1ed/0x520 [ 400.746428] ? bpf_test_run+0x3cb/0x780 [ 400.750460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.756043] ? check_preemption_disabled+0x48/0x280 [ 400.761059] ? kasan_check_read+0x11/0x20 [ 400.765223] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.770525] ? rcu_softirq_qs+0x20/0x20 [ 400.774496] ? preempt_schedule+0x4d/0x60 [ 400.778641] ? ___preempt_schedule+0x16/0x18 [ 400.783055] ? bpf_test_run+0x25d/0x780 [ 400.787036] ? netlink_diag_dump+0x2a0/0x2a0 [ 400.791570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.797105] ? bpf_test_init.isra.10+0x70/0x100 [ 400.801778] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 400.806542] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 400.811397] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 400.816929] ? fput+0x130/0x1a0 [ 400.820242] ? __bpf_prog_get+0x9b/0x290 [ 400.824309] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 400.829157] ? bpf_prog_test_run+0x130/0x1a0 [ 400.833610] ? __x64_sys_bpf+0x3db/0x520 [ 400.837685] ? bpf_prog_get+0x20/0x20 [ 400.841519] ? do_syscall_64+0x1b9/0x820 [ 400.845576] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 400.850942] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.855877] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.860895] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 400.865913] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 400.872574] ? __switch_to_asm+0x40/0x70 [ 400.876632] ? __switch_to_asm+0x34/0x70 [ 400.880700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.885550] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.890928] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 400.890979] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.897850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.897855] Call Trace: [ 400.897873] dump_stack+0x244/0x39d [ 400.897898] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.904556] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.913732] warn_alloc.cold.116+0xb7/0x1bd [ 400.916288] syz-executor2 cpuset=syz2 mems_allowed=0 [ 400.919909] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.949773] ? lock_downgrade+0x900/0x900 [ 400.953930] ? trace_hardirqs_off+0xb8/0x310 [ 400.958348] ? trace_hardirqs_off+0xb8/0x310 [ 400.962769] __alloc_pages_slowpath+0x26e8/0x2e10 [ 400.967638] ? warn_alloc+0x120/0x120 [ 400.971488] ? print_usage_bug+0xc0/0xc0 [ 400.975552] ? warn_alloc+0x120/0x120 [ 400.979363] ? warn_alloc+0x120/0x120 [ 400.983174] ? print_usage_bug+0xc0/0xc0 [ 400.987272] ? print_usage_bug+0xc0/0xc0 [ 400.991339] ? __lock_acquire+0x62f/0x4c20 [ 400.995578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.001117] ? should_fail+0x22d/0xd01 [ 401.005009] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.010111] ? __lock_acquire+0x62f/0x4c20 [ 401.014366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.019468] ? __lock_acquire+0x62f/0x4c20 [ 401.023702] ? should_fail+0x22d/0xd01 [ 401.027591] ? find_held_lock+0x36/0x1c0 [ 401.031659] ? mark_held_locks+0x130/0x130 [ 401.035902] ? mark_held_locks+0x130/0x130 [ 401.040145] ? zap_class+0x640/0x640 [ 401.043868] ? mark_held_locks+0xc7/0x130 [ 401.048009] ? do_raw_spin_unlock+0xa7/0x330 [ 401.052414] ? zap_class+0x640/0x640 [ 401.056126] ? print_usage_bug+0xc0/0xc0 [ 401.060197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.065744] ? check_preemption_disabled+0x48/0x280 [ 401.070765] ? __lock_is_held+0xb5/0x140 [ 401.074826] __alloc_pages_nodemask+0xa80/0xde0 [ 401.079493] ? zap_class+0x640/0x640 [ 401.083208] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 401.088240] ? find_held_lock+0x36/0x1c0 [ 401.092309] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.096978] ? lock_downgrade+0x900/0x900 [ 401.101145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.106741] cache_grow_begin+0xa5/0x8c0 [ 401.110798] ? do_raw_spin_unlock+0xa7/0x330 [ 401.115212] fallback_alloc+0x204/0x2e0 [ 401.119198] ____cache_alloc_node+0x1c7/0x1e0 [ 401.123720] kmem_cache_alloc_node+0xe3/0x730 [ 401.128215] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.132461] __alloc_skb+0x119/0x770 [ 401.136179] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.141460] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.145870] ? lock_downgrade+0x900/0x900 [ 401.150025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.155568] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.161026] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.166482] ? addrconf_rs_timer+0x690/0x690 [ 401.170903] ndisc_alloc_skb+0x144/0x340 [ 401.174975] ndisc_send_rs+0x331/0x6e0 [ 401.178868] addrconf_rs_timer+0x314/0x690 [ 401.183112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.187363] call_timer_fn+0x272/0x920 [ 401.191251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.195484] ? process_timeout+0x40/0x40 [ 401.199553] ? __run_timers+0x7da/0xc70 [ 401.203528] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.208024] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.212517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.216767] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.221349] ? trace_hardirqs_on+0xbd/0x310 [ 401.225669] ? kasan_check_read+0x11/0x20 [ 401.229824] ? __run_timers+0x7da/0xc70 [ 401.233807] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.238917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.243160] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.247416] __run_timers+0x7e5/0xc70 [ 401.251244] ? timer_fixup_init+0x70/0x70 [ 401.255390] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.259897] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.264412] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 401.269009] ? trace_hardirqs_on+0xbd/0x310 [ 401.273329] ? kasan_check_read+0x11/0x20 [ 401.277493] ? finish_task_switch+0x1f4/0x910 [ 401.281992] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.287096] ? compat_start_thread+0x80/0x80 [ 401.291525] ? pvclock_read_flags+0x160/0x160 [ 401.296021] ? __switch_to_asm+0x34/0x70 [ 401.300086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.305624] ? check_preemption_disabled+0x48/0x280 [ 401.310667] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 401.316214] ? rcu_pm_notify+0xc0/0xc0 [ 401.320102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.325673] ? check_preemption_disabled+0x48/0x280 [ 401.330703] run_timer_softirq+0x52/0xb0 [ 401.334762] ? rcu_read_lock_sched_held+0x14f/0x180 [ 401.339777] __do_softirq+0x308/0xb7e [ 401.344055] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 401.349161] ? smpboot_thread_fn+0x334/0xa00 [ 401.353585] ? schedule+0x108/0x460 [ 401.357243] ? trace_hardirqs_off+0xb8/0x310 [ 401.361671] ? smpboot_thread_fn+0x68b/0xa00 [ 401.366100] ? trace_hardirqs_on+0x310/0x310 [ 401.370512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.376055] ? check_preemption_disabled+0x48/0x280 [ 401.381071] ? takeover_tasklets+0xa90/0xa90 [ 401.385485] run_ksoftirqd+0x5e/0x100 [ 401.389285] smpboot_thread_fn+0x68b/0xa00 [ 401.393527] ? sort_range+0x30/0x30 [ 401.397152] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.402277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.407831] ? __kthread_parkme+0xfb/0x1a0 [ 401.412071] ? sort_range+0x30/0x30 [ 401.415746] kthread+0x35a/0x440 [ 401.419118] ? kthread_stop+0x900/0x900 [ 401.423117] ret_from_fork+0x3a/0x50 [ 401.426843] warn_alloc_show_mem: 1 callbacks suppressed [ 401.426855] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 401.426856] Mem-Info: [ 401.426888] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 401.426888] active_file:15 inactive_file:12 isolated_file:0 [ 401.426888] unevictable:0 dirty:0 writeback:0 unstable:0 [ 401.426888] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 401.426888] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 401.426888] free:13769 free_pcp:294 free_cma:0 [ 401.432223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.439592] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 401.441986] Call Trace: [ 401.475105] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 401.484450] [ 401.512280] lowmem_reserve[]: 0 2818 6321 6321 [ 401.514860] dump_stack+0x244/0x39d [ 401.540946] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 401.543104] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.547660] lowmem_reserve[]: 0 0 3503 3503 [ 401.551287] warn_alloc.cold.116+0xb7/0x1bd [ 401.578670] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 401.583853] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.588148] lowmem_reserve[]: 0 0 0 0 [ 401.592475] ? lock_downgrade+0x900/0x900 [ 401.621517] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 401.626359] ? trace_hardirqs_off+0xb8/0x310 [ 401.630130] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 401.634276] ? trace_hardirqs_off+0xb8/0x310 [ 401.647768] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 401.652185] __alloc_pages_slowpath+0x26e8/0x2e10 [ 401.667702] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 401.672109] ? warn_alloc+0x120/0x120 [ 401.686806] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 401.691635] ? warn_alloc+0x120/0x120 [ 401.700445] 12557 total pagecache pages [ 401.704234] ? warn_alloc+0x120/0x120 [ 401.712805] 0 pages in swap cache [ 401.716606] ? print_usage_bug+0xc0/0xc0 [ 401.720574] Swap cache stats: add 0, delete 0, find 0/0 [ 401.724376] ? __lock_acquire+0x62f/0x4c20 [ 401.727804] Free swap = 0kB [ 401.731869] ? print_usage_bug+0xc0/0xc0 [ 401.737211] Total swap = 0kB [ 401.741436] ? __lock_acquire+0x62f/0x4c20 [ 401.744432] 1965979 pages RAM [ 401.748490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.751484] 0 pages HighMem/MovableOnly [ 401.755716] ? should_fail+0x22d/0xd01 [ 401.758797] 342853 pages reserved [ 401.764325] ? __lock_acquire+0x62f/0x4c20 [ 401.768277] 0 pages cma reserved [ 401.772160] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.775668] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.779836] ? __lock_acquire+0x62f/0x4c20 [ 401.783273] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.788291] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.794762] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 401.798989] ? __lock_acquire+0x62f/0x4c20 [ 401.823241] ? should_fail+0x22d/0xd01 [ 401.827142] ? mark_held_locks+0x130/0x130 [ 401.831394] ? mark_held_locks+0x130/0x130 [ 401.835627] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.840739] ? zap_class+0x640/0x640 [ 401.844453] ? print_usage_bug+0xc0/0xc0 [ 401.848518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.854058] ? check_preemption_disabled+0x48/0x280 [ 401.859084] ? __lock_is_held+0xb5/0x140 [ 401.863153] __alloc_pages_nodemask+0xa80/0xde0 [ 401.867833] ? zap_class+0x640/0x640 [ 401.871555] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 401.876584] ? find_held_lock+0x36/0x1c0 [ 401.880659] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.885329] ? lock_downgrade+0x900/0x900 [ 401.889490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.895033] cache_grow_begin+0xa5/0x8c0 [ 401.899091] ? do_raw_spin_unlock+0xa7/0x330 [ 401.903507] fallback_alloc+0x204/0x2e0 [ 401.907488] ____cache_alloc_node+0x1c7/0x1e0 [ 401.911994] kmem_cache_alloc_node+0xe3/0x730 [ 401.916492] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.920741] __alloc_skb+0x119/0x770 [ 401.924456] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.929737] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.934147] ? lock_downgrade+0x900/0x900 [ 401.938317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.943860] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.949328] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.954781] ? addrconf_rs_timer+0x690/0x690 [ 401.959237] ndisc_alloc_skb+0x144/0x340 [ 401.963308] ndisc_send_rs+0x331/0x6e0 [ 401.967245] addrconf_rs_timer+0x314/0x690 [ 401.971490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.975738] call_timer_fn+0x272/0x920 [ 401.979642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.983891] ? process_timeout+0x40/0x40 [ 401.987964] ? __run_timers+0x7da/0xc70 [ 401.991944] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.996440] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.000935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.005183] ? lockdep_hardirqs_on+0x296/0x5b0 [ 402.009767] ? trace_hardirqs_on+0xbd/0x310 [ 402.014100] ? kasan_check_read+0x11/0x20 [ 402.018250] ? __run_timers+0x7da/0xc70 [ 402.022237] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.027408] ? prandom_seed_full_state+0x3b0/0x3b0 [ 402.032351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.036586] __run_timers+0x7e5/0xc70 [ 402.040400] ? timer_fixup_init+0x70/0x70 [ 402.044556] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 402.049576] ? zap_class+0x640/0x640 [ 402.053298] ? enqueue_hrtimer+0x1a5/0x560 [ 402.057538] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 402.062761] ? find_held_lock+0x36/0x1c0 [ 402.066845] ? zap_class+0x640/0x640 [ 402.070564] ? pvclock_read_flags+0x160/0x160 [ 402.075066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.080607] ? check_preemption_disabled+0x48/0x280 [ 402.085649] ? __lock_is_held+0xb5/0x140 [ 402.089708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.095264] ? check_preemption_disabled+0x48/0x280 [ 402.100319] run_timer_softirq+0x52/0xb0 [ 402.104386] ? rcu_read_lock_sched_held+0x14f/0x180 [ 402.109402] __do_softirq+0x308/0xb7e [ 402.113213] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 402.117709] ? lock_downgrade+0x900/0x900 [ 402.121865] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 402.126974] ? pvclock_read_flags+0x160/0x160 [ 402.131478] ? lapic_next_event+0x5a/0x90 [ 402.135627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.141176] ? kvm_clock_read+0x18/0x30 [ 402.145157] ? kvm_sched_clock_read+0x9/0x20 [ 402.149582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.155120] ? check_preemption_disabled+0x48/0x280 [ 402.160149] irq_exit+0x17f/0x1c0 [ 402.163637] smp_apic_timer_interrupt+0x1cb/0x760 [ 402.168476] ? smp_reschedule_interrupt+0x109/0x650 [ 402.173491] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.179371] ? interrupt_entry+0xb5/0xc0 [ 402.183431] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.188446] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.193463] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.198308] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.203322] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.208335] ? task_prio+0x50/0x50 [ 402.212370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.217936] ? check_preemption_disabled+0x48/0x280 [ 402.222988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.227836] apic_timer_interrupt+0xf/0x20 [ 402.232058] [ 402.234292] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 402.240185] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 402.259086] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 402.266787] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 402.274052] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 402.281313] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 402.288577] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 402.295852] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 402.303144] ? save_stack+0xa9/0xd0 [ 402.306797] __kmalloc_node_track_caller+0x3c/0x70 [ 402.311733] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 402.316501] pskb_expand_head+0x230/0x10f0 [ 402.320767] ? check_preemption_disabled+0x48/0x280 [ 402.325784] ? memcpy+0x45/0x50 [ 402.329070] ? __copy_skb_header+0x350/0x6b0 [ 402.333488] ? skb_release_data+0x880/0x880 [ 402.337813] ? __alloc_skb+0x770/0x770 [ 402.341736] ? __lock_is_held+0xb5/0x140 [ 402.345812] ? kasan_check_write+0x14/0x20 [ 402.350074] ? __skb_clone+0x6c7/0xa00 [ 402.354448] ? __copy_skb_header+0x6b0/0x6b0 [ 402.358855] ? kmem_cache_alloc+0x33a/0x730 [ 402.363191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.368750] skb_ensure_writable+0x3dd/0x640 [ 402.373162] ? skb_checksum_setup+0xaa0/0xaa0 [ 402.377692] ? preempt_notifier_register+0x200/0x200 [ 402.382792] ? __switch_to_asm+0x34/0x70 [ 402.386853] ? __switch_to_asm+0x34/0x70 [ 402.390910] ? __switch_to_asm+0x40/0x70 [ 402.394984] ? __switch_to_asm+0x34/0x70 [ 402.399039] ? __switch_to_asm+0x40/0x70 [ 402.403101] ? __switch_to_asm+0x40/0x70 [ 402.407156] ? __switch_to_asm+0x34/0x70 [ 402.411230] ? __switch_to_asm+0x34/0x70 [ 402.415305] ? __switch_to_asm+0x40/0x70 [ 402.419363] ? __switch_to_asm+0x34/0x70 [ 402.423429] bpf_clone_redirect+0x14a/0x490 [ 402.427763] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 402.432789] ? __sched_text_start+0x8/0x8 [ 402.436939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.441745] ? find_held_lock+0x36/0x1c0 [ 402.445826] ? lock_acquire+0x1ed/0x520 [ 402.449807] ? bpf_test_run+0x3cb/0x780 [ 402.453783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.459321] ? check_preemption_disabled+0x48/0x280 [ 402.464346] ? kasan_check_read+0x11/0x20 [ 402.468514] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.473787] ? rcu_softirq_qs+0x20/0x20 [ 402.477761] ? preempt_schedule+0x4d/0x60 [ 402.481907] ? ___preempt_schedule+0x16/0x18 [ 402.486338] ? bpf_test_run+0x25d/0x780 [ 402.490338] ? netlink_diag_dump+0x2a0/0x2a0 [ 402.494766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.500301] ? bpf_test_init.isra.10+0x70/0x100 [ 402.504976] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 402.509744] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 402.514605] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 402.520140] ? fput+0x130/0x1a0 [ 402.523427] ? __bpf_prog_get+0x9b/0x290 [ 402.527488] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 402.532332] ? bpf_prog_test_run+0x130/0x1a0 [ 402.536775] ? __x64_sys_bpf+0x3db/0x520 [ 402.540853] ? bpf_prog_get+0x20/0x20 [ 402.544674] ? do_syscall_64+0x1b9/0x820 [ 402.548733] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 402.554100] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.559033] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.564065] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 402.569099] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 402.575775] ? __switch_to_asm+0x40/0x70 [ 402.579837] ? __switch_to_asm+0x34/0x70 [ 402.583904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.588757] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.594162] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 402.594289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 402.601116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.601125] Call Trace: [ 402.607676] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.616947] dump_stack+0x244/0x39d [ 402.619510] syz-executor2 cpuset=syz2 mems_allowed=0 [ 402.629989] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.643876] warn_alloc.cold.116+0xb7/0x1bd [ 402.648219] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.653068] ? lock_downgrade+0x900/0x900 [ 402.657226] ? trace_hardirqs_off+0xb8/0x310 [ 402.661642] ? trace_hardirqs_off+0xb8/0x310 [ 402.666057] __alloc_pages_slowpath+0x26e8/0x2e10 [ 402.670934] ? warn_alloc+0x120/0x120 [ 402.674741] ? print_usage_bug+0xc0/0xc0 [ 402.678816] ? warn_alloc+0x120/0x120 [ 402.682621] ? warn_alloc+0x120/0x120 [ 402.686420] ? print_usage_bug+0xc0/0xc0 [ 402.690484] ? print_usage_bug+0xc0/0xc0 [ 402.694546] ? __lock_acquire+0x62f/0x4c20 [ 402.698791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.704327] ? should_fail+0x22d/0xd01 [ 402.708216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.713318] ? __lock_acquire+0x62f/0x4c20 [ 402.717554] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.722657] ? __lock_acquire+0x62f/0x4c20 [ 402.726897] ? should_fail+0x22d/0xd01 [ 402.730781] ? find_held_lock+0x36/0x1c0 [ 402.734844] ? mark_held_locks+0x130/0x130 [ 402.739078] ? mark_held_locks+0x130/0x130 [ 402.743309] ? zap_class+0x640/0x640 [ 402.747037] ? mark_held_locks+0xc7/0x130 [ 402.751187] ? do_raw_spin_unlock+0xa7/0x330 [ 402.755596] ? zap_class+0x640/0x640 [ 402.759308] ? print_usage_bug+0xc0/0xc0 [ 402.763368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.768906] ? check_preemption_disabled+0x48/0x280 [ 402.773929] ? __lock_is_held+0xb5/0x140 [ 402.777995] __alloc_pages_nodemask+0xa80/0xde0 [ 402.782662] ? zap_class+0x640/0x640 [ 402.786384] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 402.791415] ? find_held_lock+0x36/0x1c0 [ 402.795495] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.800193] ? lock_downgrade+0x900/0x900 [ 402.804350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.809891] cache_grow_begin+0xa5/0x8c0 [ 402.813947] ? do_raw_spin_unlock+0xa7/0x330 [ 402.818362] fallback_alloc+0x204/0x2e0 [ 402.822340] ____cache_alloc_node+0x1c7/0x1e0 [ 402.826862] kmem_cache_alloc_node+0xe3/0x730 [ 402.831358] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.835616] __alloc_skb+0x119/0x770 [ 402.839331] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.844611] ? netdev_alloc_frag+0x1f0/0x1f0 [ 402.849016] ? lock_downgrade+0x900/0x900 [ 402.853180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.858735] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.864196] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.869647] ? addrconf_rs_timer+0x690/0x690 [ 402.874071] ndisc_alloc_skb+0x144/0x340 [ 402.878134] ndisc_send_rs+0x331/0x6e0 [ 402.882025] addrconf_rs_timer+0x314/0x690 [ 402.886284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.890529] call_timer_fn+0x272/0x920 [ 402.894417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.898650] ? process_timeout+0x40/0x40 [ 402.902739] ? __run_timers+0x7da/0xc70 [ 402.906717] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.911214] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.915708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.919947] ? lockdep_hardirqs_on+0x296/0x5b0 [ 402.924535] ? trace_hardirqs_on+0xbd/0x310 [ 402.928856] ? kasan_check_read+0x11/0x20 [ 402.933019] ? __run_timers+0x7da/0xc70 [ 402.937007] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.942117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.946356] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.950592] __run_timers+0x7e5/0xc70 [ 402.954418] ? timer_fixup_init+0x70/0x70 [ 402.958564] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.963060] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.967555] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 402.972137] ? trace_hardirqs_on+0xbd/0x310 [ 402.976464] ? kasan_check_read+0x11/0x20 [ 402.980617] ? finish_task_switch+0x1f4/0x910 [ 402.985133] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.990242] ? compat_start_thread+0x80/0x80 [ 402.994669] ? pvclock_read_flags+0x160/0x160 [ 402.999166] ? __switch_to_asm+0x34/0x70 [ 403.003242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.008794] ? check_preemption_disabled+0x48/0x280 [ 403.013821] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 403.019360] ? rcu_pm_notify+0xc0/0xc0 [ 403.023255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.028790] ? check_preemption_disabled+0x48/0x280 [ 403.033810] run_timer_softirq+0x52/0xb0 [ 403.037872] ? rcu_read_lock_sched_held+0x14f/0x180 [ 403.042888] __do_softirq+0x308/0xb7e [ 403.046697] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 403.051822] ? smpboot_thread_fn+0x334/0xa00 [ 403.056259] ? schedule+0x108/0x460 [ 403.059895] ? trace_hardirqs_off+0xb8/0x310 [ 403.064302] ? smpboot_thread_fn+0x68b/0xa00 [ 403.068757] ? trace_hardirqs_on+0x310/0x310 [ 403.073189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.078728] ? check_preemption_disabled+0x48/0x280 [ 403.083746] ? takeover_tasklets+0xa90/0xa90 [ 403.088192] run_ksoftirqd+0x5e/0x100 [ 403.092022] smpboot_thread_fn+0x68b/0xa00 [ 403.096275] ? sort_range+0x30/0x30 [ 403.099894] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.104992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.110528] ? __kthread_parkme+0xfb/0x1a0 [ 403.114760] ? sort_range+0x30/0x30 [ 403.118401] kthread+0x35a/0x440 [ 403.121783] ? kthread_stop+0x900/0x900 [ 403.125760] ret_from_fork+0x3a/0x50 [ 403.129511] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 403.129516] warn_alloc_show_mem: 1 callbacks suppressed [ 403.129524] Mem-Info: [ 403.136872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.142236] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 403.142236] active_file:15 inactive_file:12 isolated_file:0 [ 403.142236] unevictable:0 dirty:0 writeback:0 unstable:0 [ 403.142236] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 403.142236] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 403.142236] free:13769 free_pcp:294 free_cma:0 [ 403.144604] Call Trace: [ 403.153982] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 403.187089] [ 403.189673] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 403.218023] dump_stack+0x244/0x39d [ 403.220150] lowmem_reserve[]: 0 2818 6321 6321 [ 403.246265] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.249907] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 403.254502] warn_alloc.cold.116+0xb7/0x1bd [ 403.259655] lowmem_reserve[]: 0 0 3503 3503 [ 403.287054] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.291350] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 403.295675] ? lock_downgrade+0x900/0x900 [ 403.300507] lowmem_reserve[]: 0 0 0 0 [ 403.329580] ? trace_hardirqs_off+0xb8/0x310 [ 403.333706] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 403.337504] ? trace_hardirqs_off+0xb8/0x310 [ 403.341884] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 403.355578] __alloc_pages_slowpath+0x26e8/0x2e10 [ 403.359965] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 403.375503] ? warn_alloc+0x120/0x120 [ 403.380304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 403.395030] ? print_usage_bug+0xc0/0xc0 [ 403.398826] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 403.407645] ? warn_alloc+0x120/0x120 [ 403.411699] 12557 total pagecache pages [ 403.420282] ? warn_alloc+0x120/0x120 [ 403.424064] 0 pages in swap cache [ 403.428030] ? print_usage_bug+0xc0/0xc0 [ 403.431809] Swap cache stats: add 0, delete 0, find 0/0 [ 403.435254] ? kvm_clock_read+0x18/0x30 [ 403.439288] Free swap = 0kB [ 403.444641] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 403.448623] Total swap = 0kB [ 403.451674] ? print_usage_bug+0xc0/0xc0 [ 403.456671] 1965979 pages RAM [ 403.459697] ? __lock_acquire+0x62f/0x4c20 [ 403.459717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.463786] 0 pages HighMem/MovableOnly [ 403.466883] ? should_fail+0x22d/0xd01 [ 403.471092] 342853 pages reserved [ 403.476618] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.480566] 0 pages cma reserved [ 403.484443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.487944] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.493156] ? __lock_acquire+0x62f/0x4c20 [ 403.493190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.493206] ? __lock_acquire+0x62f/0x4c20 [ 403.496602] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.501652] ? should_fail+0x22d/0xd01 [ 403.508118] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 403.512344] ? rcu_irq_exit+0x1a2/0x390 [ 403.544464] ? mark_held_locks+0x130/0x130 [ 403.548707] ? mark_held_locks+0x130/0x130 [ 403.552947] ? mark_held_locks+0xc7/0x130 [ 403.557096] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 403.562112] ? zap_class+0x640/0x640 [ 403.565829] ? print_usage_bug+0xc0/0xc0 [ 403.569897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.575450] ? check_preemption_disabled+0x48/0x280 [ 403.580486] ? __lock_is_held+0xb5/0x140 [ 403.584553] __alloc_pages_nodemask+0xa80/0xde0 [ 403.589222] ? zap_class+0x640/0x640 [ 403.592936] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 403.597961] ? find_held_lock+0x36/0x1c0 [ 403.602029] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.606700] ? lock_downgrade+0x900/0x900 [ 403.610874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.616433] cache_grow_begin+0xa5/0x8c0 [ 403.620496] ? do_raw_spin_unlock+0xa7/0x330 [ 403.624915] fallback_alloc+0x204/0x2e0 [ 403.628903] ____cache_alloc_node+0x1c7/0x1e0 [ 403.633422] kmem_cache_alloc_node+0xe3/0x730 [ 403.637919] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.642191] __alloc_skb+0x119/0x770 [ 403.645907] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.651197] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.655604] ? lock_downgrade+0x900/0x900 [ 403.659774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.665317] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.670774] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.676227] ? addrconf_rs_timer+0x690/0x690 [ 403.680646] ndisc_alloc_skb+0x144/0x340 [ 403.684710] ndisc_send_rs+0x331/0x6e0 [ 403.688601] addrconf_rs_timer+0x314/0x690 [ 403.692844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.697089] call_timer_fn+0x272/0x920 [ 403.700973] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.705217] ? process_timeout+0x40/0x40 [ 403.709286] ? __run_timers+0x7da/0xc70 [ 403.713261] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.717756] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.722255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.726494] ? lockdep_hardirqs_on+0x296/0x5b0 [ 403.731080] ? trace_hardirqs_on+0xbd/0x310 [ 403.735403] ? kasan_check_read+0x11/0x20 [ 403.739563] ? __run_timers+0x7da/0xc70 [ 403.743586] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.748709] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.752962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.757202] __run_timers+0x7e5/0xc70 [ 403.761031] ? timer_fixup_init+0x70/0x70 [ 403.765190] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.770234] ? zap_class+0x640/0x640 [ 403.773961] ? enqueue_hrtimer+0x1a5/0x560 [ 403.778211] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.783425] ? find_held_lock+0x36/0x1c0 [ 403.787506] ? zap_class+0x640/0x640 [ 403.791231] ? pvclock_read_flags+0x160/0x160 [ 403.795732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.801304] ? check_preemption_disabled+0x48/0x280 [ 403.806363] ? __lock_is_held+0xb5/0x140 [ 403.810427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.815977] ? check_preemption_disabled+0x48/0x280 [ 403.821014] run_timer_softirq+0x52/0xb0 [ 403.825076] ? rcu_read_lock_sched_held+0x14f/0x180 [ 403.830116] __do_softirq+0x308/0xb7e [ 403.833931] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 403.838447] ? lock_downgrade+0x900/0x900 [ 403.842602] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 403.847707] ? pvclock_read_flags+0x160/0x160 [ 403.852222] ? lapic_next_event+0x5a/0x90 [ 403.856392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.861935] ? kvm_clock_read+0x18/0x30 [ 403.865908] ? kvm_sched_clock_read+0x9/0x20 [ 403.870333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.875872] ? check_preemption_disabled+0x48/0x280 [ 403.880911] irq_exit+0x17f/0x1c0 [ 403.884368] smp_apic_timer_interrupt+0x1cb/0x760 [ 403.889235] ? smp_reschedule_interrupt+0x109/0x650 [ 403.894267] ? smp_call_function_single_interrupt+0x650/0x650 [ 403.900149] ? interrupt_entry+0xb5/0xc0 [ 403.904240] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.909254] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.914287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.919133] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.924154] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.929193] ? task_prio+0x50/0x50 [ 403.932735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.938301] ? check_preemption_disabled+0x48/0x280 [ 403.943337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.948198] apic_timer_interrupt+0xf/0x20 [ 403.952424] [ 403.954664] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 403.960555] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 403.979468] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 403.987183] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 403.994464] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 404.001734] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 404.009003] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 404.016268] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 404.023562] ? save_stack+0xa9/0xd0 [ 404.027214] __kmalloc_node_track_caller+0x3c/0x70 [ 404.032147] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 404.036921] pskb_expand_head+0x230/0x10f0 [ 404.041155] ? check_preemption_disabled+0x48/0x280 [ 404.046211] ? memcpy+0x45/0x50 [ 404.049496] ? __copy_skb_header+0x350/0x6b0 [ 404.053911] ? skb_release_data+0x880/0x880 [ 404.058235] ? __alloc_skb+0x770/0x770 [ 404.062133] ? __lock_is_held+0xb5/0x140 [ 404.066259] ? kasan_check_write+0x14/0x20 [ 404.070510] ? __skb_clone+0x6c7/0xa00 [ 404.074399] ? __copy_skb_header+0x6b0/0x6b0 [ 404.078804] ? kmem_cache_alloc+0x33a/0x730 [ 404.083141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.088699] skb_ensure_writable+0x3dd/0x640 [ 404.093113] ? skb_checksum_setup+0xaa0/0xaa0 [ 404.097614] ? preempt_notifier_register+0x200/0x200 [ 404.102733] ? __switch_to_asm+0x34/0x70 [ 404.106810] ? __switch_to_asm+0x34/0x70 [ 404.110868] ? __switch_to_asm+0x40/0x70 [ 404.114927] ? __switch_to_asm+0x34/0x70 [ 404.118982] ? __switch_to_asm+0x40/0x70 [ 404.123086] ? __switch_to_asm+0x40/0x70 [ 404.127145] ? __switch_to_asm+0x34/0x70 [ 404.131230] ? __switch_to_asm+0x34/0x70 [ 404.135296] ? __switch_to_asm+0x40/0x70 [ 404.139355] ? __switch_to_asm+0x34/0x70 [ 404.143426] bpf_clone_redirect+0x14a/0x490 [ 404.147756] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 404.152775] ? __sched_text_start+0x8/0x8 [ 404.156921] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.161689] ? find_held_lock+0x36/0x1c0 [ 404.165761] ? lock_acquire+0x1ed/0x520 [ 404.169735] ? bpf_test_run+0x3cb/0x780 [ 404.173714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.179257] ? check_preemption_disabled+0x48/0x280 [ 404.184282] ? kasan_check_read+0x11/0x20 [ 404.188450] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.193744] ? rcu_softirq_qs+0x20/0x20 [ 404.197738] ? preempt_schedule+0x4d/0x60 [ 404.201887] ? ___preempt_schedule+0x16/0x18 [ 404.206321] ? bpf_test_run+0x25d/0x780 [ 404.210321] ? netlink_diag_dump+0x2a0/0x2a0 [ 404.215239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.220775] ? bpf_test_init.isra.10+0x70/0x100 [ 404.225450] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 404.230219] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 404.235059] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 404.240603] ? fput+0x130/0x1a0 [ 404.243893] ? __bpf_prog_get+0x9b/0x290 [ 404.247959] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 404.252796] ? bpf_prog_test_run+0x130/0x1a0 [ 404.257210] ? __x64_sys_bpf+0x3db/0x520 [ 404.261290] ? bpf_prog_get+0x20/0x20 [ 404.265160] ? do_syscall_64+0x1b9/0x820 [ 404.269237] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 404.274603] ? syscall_return_slowpath+0x5e0/0x5e0 [ 404.279536] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.284551] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 404.289569] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 404.296233] ? __switch_to_asm+0x40/0x70 [ 404.300289] ? __switch_to_asm+0x34/0x70 [ 404.304354] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.309217] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.314623] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 404.314690] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.321565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.321574] Call Trace: [ 404.328159] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.337404] dump_stack+0x244/0x39d [ 404.339965] syz-executor2 cpuset=syz2 mems_allowed=0 [ 404.350442] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.364315] warn_alloc.cold.116+0xb7/0x1bd [ 404.368638] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.373485] ? lock_downgrade+0x900/0x900 [ 404.377644] ? trace_hardirqs_off+0xb8/0x310 [ 404.382078] ? trace_hardirqs_off+0xb8/0x310 [ 404.386530] __alloc_pages_slowpath+0x26e8/0x2e10 [ 404.391404] ? warn_alloc+0x120/0x120 [ 404.395213] ? print_usage_bug+0xc0/0xc0 [ 404.399276] ? warn_alloc+0x120/0x120 [ 404.403080] ? warn_alloc+0x120/0x120 [ 404.406881] ? print_usage_bug+0xc0/0xc0 [ 404.410946] ? print_usage_bug+0xc0/0xc0 [ 404.415008] ? __lock_acquire+0x62f/0x4c20 [ 404.419251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.424789] ? should_fail+0x22d/0xd01 [ 404.428687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.433790] ? __lock_acquire+0x62f/0x4c20 [ 404.438032] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.443131] ? __lock_acquire+0x62f/0x4c20 [ 404.447365] ? should_fail+0x22d/0xd01 [ 404.451258] ? find_held_lock+0x36/0x1c0 [ 404.455341] ? mark_held_locks+0x130/0x130 [ 404.459582] ? mark_held_locks+0x130/0x130 [ 404.463815] ? zap_class+0x640/0x640 [ 404.467530] ? zap_class+0x640/0x640 [ 404.471249] ? print_usage_bug+0xc0/0xc0 [ 404.475332] ? do_raw_spin_unlock+0xa7/0x330 [ 404.479738] ? zap_class+0x640/0x640 [ 404.483447] ? print_usage_bug+0xc0/0xc0 [ 404.487509] ? wq_watchdog_touch+0x9c/0xfe [ 404.491748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.497287] ? check_preemption_disabled+0x48/0x280 [ 404.502328] ? __lock_is_held+0xb5/0x140 [ 404.506397] __alloc_pages_nodemask+0xa80/0xde0 [ 404.511081] ? zap_class+0x640/0x640 [ 404.514801] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 404.519852] ? find_held_lock+0x36/0x1c0 [ 404.523939] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.528628] ? lock_downgrade+0x900/0x900 [ 404.532784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.538337] cache_grow_begin+0xa5/0x8c0 [ 404.542398] ? do_raw_spin_unlock+0xa7/0x330 [ 404.546833] fallback_alloc+0x204/0x2e0 [ 404.550818] ____cache_alloc_node+0x1c7/0x1e0 [ 404.555321] kmem_cache_alloc_node+0xe3/0x730 [ 404.559830] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.564074] __alloc_skb+0x119/0x770 [ 404.567790] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.573071] ? netdev_alloc_frag+0x1f0/0x1f0 [ 404.577481] ? lock_downgrade+0x900/0x900 [ 404.581647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.587200] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.592657] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.598111] ? addrconf_rs_timer+0x690/0x690 [ 404.602579] ndisc_alloc_skb+0x144/0x340 [ 404.606664] ndisc_send_rs+0x331/0x6e0 [ 404.610575] addrconf_rs_timer+0x314/0x690 [ 404.614818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.619064] call_timer_fn+0x272/0x920 [ 404.622950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.627208] ? process_timeout+0x40/0x40 [ 404.631281] ? __run_timers+0x7da/0xc70 [ 404.635270] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.639778] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.644286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.648521] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.653104] ? trace_hardirqs_on+0xbd/0x310 [ 404.657424] ? kasan_check_read+0x11/0x20 [ 404.661571] ? __run_timers+0x7da/0xc70 [ 404.665548] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.670657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.674913] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.679149] __run_timers+0x7e5/0xc70 [ 404.682967] ? timer_fixup_init+0x70/0x70 [ 404.687113] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.691610] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.696106] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.700693] ? trace_hardirqs_on+0xbd/0x310 [ 404.705012] ? kasan_check_read+0x11/0x20 [ 404.709162] ? finish_task_switch+0x1f4/0x910 [ 404.713668] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.718775] ? compat_start_thread+0x80/0x80 [ 404.723225] ? pvclock_read_flags+0x160/0x160 [ 404.727732] ? __switch_to_asm+0x34/0x70 [ 404.731813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.737354] ? check_preemption_disabled+0x48/0x280 [ 404.742381] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 404.747925] ? rcu_pm_notify+0xc0/0xc0 [ 404.751816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.757349] ? check_preemption_disabled+0x48/0x280 [ 404.762370] run_timer_softirq+0x52/0xb0 [ 404.766429] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.771447] __do_softirq+0x308/0xb7e [ 404.775259] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.780365] ? smpboot_thread_fn+0x334/0xa00 [ 404.784777] ? schedule+0x108/0x460 [ 404.788413] ? trace_hardirqs_off+0xb8/0x310 [ 404.792853] ? smpboot_thread_fn+0x68b/0xa00 [ 404.797262] ? trace_hardirqs_on+0x310/0x310 [ 404.801690] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.807247] ? check_preemption_disabled+0x48/0x280 [ 404.812267] ? takeover_tasklets+0xa90/0xa90 [ 404.816689] run_ksoftirqd+0x5e/0x100 [ 404.820519] smpboot_thread_fn+0x68b/0xa00 [ 404.824759] ? sort_range+0x30/0x30 [ 404.828383] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.833488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.839030] ? __kthread_parkme+0xfb/0x1a0 [ 404.843266] ? sort_range+0x30/0x30 [ 404.846927] kthread+0x35a/0x440 [ 404.850295] ? kthread_stop+0x900/0x900 [ 404.854275] ret_from_fork+0x3a/0x50 [ 404.858010] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 404.858015] warn_alloc_show_mem: 1 callbacks suppressed [ 404.858023] Mem-Info: [ 404.865377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.870743] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 404.870743] active_file:15 inactive_file:12 isolated_file:0 [ 404.870743] unevictable:0 dirty:0 writeback:0 unstable:0 [ 404.870743] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 404.870743] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 404.870743] free:13769 free_pcp:294 free_cma:0 [ 404.873117] Call Trace: [ 404.882506] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 404.915627] [ 404.918205] 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 [ 404.946047] dump_stack+0x244/0x39d [ 404.948188] lowmem_reserve[]: 0 2818 6321 6321 [ 404.974294] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.977893] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 404.982478] warn_alloc.cold.116+0xb7/0x1bd [ 404.987650] lowmem_reserve[]: 0 0 3503 3503 [ 405.015051] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.019347] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 405.023662] ? lock_downgrade+0x900/0x900 [ 405.028496] lowmem_reserve[]: 0 0 0 0 [ 405.057559] ? trace_hardirqs_off+0xb8/0x310 [ 405.061685] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 405.065473] ? trace_hardirqs_off+0xb8/0x310 [ 405.069858] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 405.083376] __alloc_pages_slowpath+0x26e8/0x2e10 [ 405.087754] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 405.103293] ? warn_alloc+0x120/0x120 [ 405.108094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.122816] ? print_usage_bug+0xc0/0xc0 [ 405.126600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.135422] ? warn_alloc+0x120/0x120 [ 405.139459] 12557 total pagecache pages [ 405.148023] ? warn_alloc+0x120/0x120 [ 405.151802] 0 pages in swap cache [ 405.155761] ? print_usage_bug+0xc0/0xc0 [ 405.159539] Swap cache stats: add 0, delete 0, find 0/0 [ 405.162983] ? kvm_clock_read+0x18/0x30 [ 405.167018] Free swap = 0kB [ 405.172376] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 405.176325] Total swap = 0kB [ 405.179340] ? print_usage_bug+0xc0/0xc0 [ 405.184332] 1965979 pages RAM [ 405.187346] ? __lock_acquire+0x62f/0x4c20 [ 405.191379] 0 pages HighMem/MovableOnly [ 405.194479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.198689] 342853 pages reserved [ 405.202654] ? should_fail+0x22d/0xd01 [ 405.208167] 0 pages cma reserved [ 405.211621] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.215534] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.218839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.224177] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.230579] ? __lock_acquire+0x62f/0x4c20 [ 405.235658] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 405.245959] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.259917] ? __lock_acquire+0x62f/0x4c20 [ 405.264145] ? should_fail+0x22d/0xd01 [ 405.268036] ? rcu_irq_exit+0x1a2/0x390 [ 405.272017] ? mark_held_locks+0x130/0x130 [ 405.276254] ? mark_held_locks+0x130/0x130 [ 405.280494] ? mark_held_locks+0xc7/0x130 [ 405.284661] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 405.289693] ? zap_class+0x640/0x640 [ 405.293408] ? print_usage_bug+0xc0/0xc0 [ 405.297473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.303010] ? check_preemption_disabled+0x48/0x280 [ 405.308038] ? __lock_is_held+0xb5/0x140 [ 405.312120] __alloc_pages_nodemask+0xa80/0xde0 [ 405.316790] ? zap_class+0x640/0x640 [ 405.320527] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 405.325559] ? find_held_lock+0x36/0x1c0 [ 405.329631] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.334306] ? lock_downgrade+0x900/0x900 [ 405.338462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.344195] cache_grow_begin+0xa5/0x8c0 [ 405.348264] ? do_raw_spin_unlock+0xa7/0x330 [ 405.352727] fallback_alloc+0x204/0x2e0 [ 405.356709] ____cache_alloc_node+0x1c7/0x1e0 [ 405.361222] kmem_cache_alloc_node+0xe3/0x730 [ 405.365717] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.369976] __alloc_skb+0x119/0x770 [ 405.373686] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.378973] ? netdev_alloc_frag+0x1f0/0x1f0 [ 405.383383] ? lock_downgrade+0x900/0x900 [ 405.387543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.393083] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.398540] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.403987] ? addrconf_rs_timer+0x690/0x690 [ 405.408409] ndisc_alloc_skb+0x144/0x340 [ 405.412480] ndisc_send_rs+0x331/0x6e0 [ 405.416378] addrconf_rs_timer+0x314/0x690 [ 405.420618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.424880] call_timer_fn+0x272/0x920 [ 405.428781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.433016] ? process_timeout+0x40/0x40 [ 405.437087] ? __run_timers+0x7da/0xc70 [ 405.441065] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.445562] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.450056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.454297] ? lockdep_hardirqs_on+0x296/0x5b0 [ 405.458883] ? trace_hardirqs_on+0xbd/0x310 [ 405.463225] ? kasan_check_read+0x11/0x20 [ 405.467371] ? __run_timers+0x7da/0xc70 [ 405.471349] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.476463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.480718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.484952] __run_timers+0x7e5/0xc70 [ 405.488761] ? timer_fixup_init+0x70/0x70 [ 405.492913] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.497932] ? zap_class+0x640/0x640 [ 405.501648] ? enqueue_hrtimer+0x1a5/0x560 [ 405.505885] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.511080] ? find_held_lock+0x36/0x1c0 [ 405.515147] ? zap_class+0x640/0x640 [ 405.518878] ? pvclock_read_flags+0x160/0x160 [ 405.523373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.528925] ? check_preemption_disabled+0x48/0x280 [ 405.533953] ? __lock_is_held+0xb5/0x140 [ 405.538018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.543561] ? check_preemption_disabled+0x48/0x280 [ 405.548583] run_timer_softirq+0x52/0xb0 [ 405.552644] ? rcu_read_lock_sched_held+0x14f/0x180 [ 405.557662] __do_softirq+0x308/0xb7e [ 405.561483] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 405.565974] ? lock_downgrade+0x900/0x900 [ 405.570125] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 405.575237] ? pvclock_read_flags+0x160/0x160 [ 405.579736] ? lapic_next_event+0x5a/0x90 [ 405.583887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.589455] ? kvm_clock_read+0x18/0x30 [ 405.593455] ? kvm_sched_clock_read+0x9/0x20 [ 405.597863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.603416] ? check_preemption_disabled+0x48/0x280 [ 405.608460] irq_exit+0x17f/0x1c0 [ 405.611918] smp_apic_timer_interrupt+0x1cb/0x760 [ 405.616758] ? smp_reschedule_interrupt+0x109/0x650 [ 405.621778] ? smp_call_function_single_interrupt+0x650/0x650 [ 405.627664] ? interrupt_entry+0xb5/0xc0 [ 405.631724] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.636742] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.641772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.646614] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.651630] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.656648] ? task_prio+0x50/0x50 [ 405.660262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.665812] ? check_preemption_disabled+0x48/0x280 [ 405.670830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.675693] apic_timer_interrupt+0xf/0x20 [ 405.679919] [ 405.682158] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 405.688054] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 405.706951] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 405.714652] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 405.721916] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 405.729192] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 405.736455] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 405.743718] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 405.751007] ? save_stack+0xa9/0xd0 [ 405.754637] __kmalloc_node_track_caller+0x3c/0x70 [ 405.759583] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 405.764341] pskb_expand_head+0x230/0x10f0 [ 405.768574] ? check_preemption_disabled+0x48/0x280 [ 405.773591] ? memcpy+0x45/0x50 [ 405.776872] ? __copy_skb_header+0x350/0x6b0 [ 405.781282] ? skb_release_data+0x880/0x880 [ 405.785598] ? __alloc_skb+0x770/0x770 [ 405.789492] ? __lock_is_held+0xb5/0x140 [ 405.793577] ? kasan_check_write+0x14/0x20 [ 405.797828] ? __skb_clone+0x6c7/0xa00 [ 405.801717] ? __copy_skb_header+0x6b0/0x6b0 [ 405.806122] ? kmem_cache_alloc+0x33a/0x730 [ 405.810444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.815994] skb_ensure_writable+0x3dd/0x640 [ 405.820409] ? skb_checksum_setup+0xaa0/0xaa0 [ 405.824914] ? preempt_notifier_register+0x200/0x200 [ 405.830016] ? __switch_to_asm+0x34/0x70 [ 405.834077] ? __switch_to_asm+0x34/0x70 [ 405.838131] ? __switch_to_asm+0x40/0x70 [ 405.842213] ? __switch_to_asm+0x34/0x70 [ 405.846268] ? __switch_to_asm+0x40/0x70 [ 405.850329] ? __switch_to_asm+0x40/0x70 [ 405.854386] ? __switch_to_asm+0x34/0x70 [ 405.858448] ? __switch_to_asm+0x34/0x70 [ 405.862511] ? __switch_to_asm+0x40/0x70 [ 405.866567] ? __switch_to_asm+0x34/0x70 [ 405.870630] bpf_clone_redirect+0x14a/0x490 [ 405.874959] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 405.879977] ? __sched_text_start+0x8/0x8 [ 405.884123] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.888891] ? find_held_lock+0x36/0x1c0 [ 405.892957] ? lock_acquire+0x1ed/0x520 [ 405.896930] ? bpf_test_run+0x3cb/0x780 [ 405.900922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.906463] ? check_preemption_disabled+0x48/0x280 [ 405.911484] ? kasan_check_read+0x11/0x20 [ 405.915645] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.920922] ? rcu_softirq_qs+0x20/0x20 [ 405.924916] ? preempt_schedule+0x4d/0x60 [ 405.929078] ? ___preempt_schedule+0x16/0x18 [ 405.933495] ? bpf_test_run+0x25d/0x780 [ 405.937482] ? netlink_diag_dump+0x2a0/0x2a0 [ 405.941899] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.947450] ? bpf_test_init.isra.10+0x70/0x100 [ 405.952127] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 405.956891] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 405.961734] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 405.967270] ? fput+0x130/0x1a0 [ 405.970568] ? __bpf_prog_get+0x9b/0x290 [ 405.974632] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 405.979472] ? bpf_prog_test_run+0x130/0x1a0 [ 405.983884] ? __x64_sys_bpf+0x3db/0x520 [ 405.987945] ? bpf_prog_get+0x20/0x20 [ 405.991765] ? do_syscall_64+0x1b9/0x820 [ 405.995834] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 406.001233] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.006193] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.011213] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 406.016229] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 406.022894] ? __switch_to_asm+0x40/0x70 [ 406.026964] ? __switch_to_asm+0x34/0x70 [ 406.031026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.035876] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.041255] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 406.041315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 406.048185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.048190] Call Trace: [ 406.048207] dump_stack+0x244/0x39d [ 406.048225] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.048249] warn_alloc.cold.116+0xb7/0x1bd [ 406.054792] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.064066] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.066627] syz-executor2 cpuset=syz2 mems_allowed=0 [ 406.070258] ? lock_downgrade+0x900/0x900 [ 406.104281] ? trace_hardirqs_off+0xb8/0x310 [ 406.108713] ? trace_hardirqs_off+0xb8/0x310 [ 406.113133] __alloc_pages_slowpath+0x26e8/0x2e10 [ 406.118003] ? warn_alloc+0x120/0x120 [ 406.121805] ? print_usage_bug+0xc0/0xc0 [ 406.125894] ? warn_alloc+0x120/0x120 [ 406.129699] ? warn_alloc+0x120/0x120 [ 406.133528] ? print_usage_bug+0xc0/0xc0 [ 406.137612] ? print_usage_bug+0xc0/0xc0 [ 406.141694] ? __lock_acquire+0x62f/0x4c20 [ 406.145965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.151535] ? should_fail+0x22d/0xd01 [ 406.155434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.160551] ? __lock_acquire+0x62f/0x4c20 [ 406.164786] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.169886] ? __lock_acquire+0x62f/0x4c20 [ 406.174119] ? should_fail+0x22d/0xd01 [ 406.178011] ? find_held_lock+0x36/0x1c0 [ 406.182082] ? mark_held_locks+0x130/0x130 [ 406.186334] ? mark_held_locks+0x130/0x130 [ 406.190569] ? zap_class+0x640/0x640 [ 406.194291] ? mark_held_locks+0xc7/0x130 [ 406.198441] ? do_raw_spin_unlock+0xa7/0x330 [ 406.202853] ? zap_class+0x640/0x640 [ 406.206594] ? print_usage_bug+0xc0/0xc0 [ 406.210659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.216458] ? check_preemption_disabled+0x48/0x280 [ 406.221497] ? __lock_is_held+0xb5/0x140 [ 406.225565] __alloc_pages_nodemask+0xa80/0xde0 [ 406.230230] ? zap_class+0x640/0x640 [ 406.233945] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 406.238973] ? find_held_lock+0x36/0x1c0 [ 406.243085] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.247773] ? lock_downgrade+0x900/0x900 [ 406.251926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.257466] cache_grow_begin+0xa5/0x8c0 [ 406.261539] ? do_raw_spin_unlock+0xa7/0x330 [ 406.265971] fallback_alloc+0x204/0x2e0 [ 406.269950] ____cache_alloc_node+0x1c7/0x1e0 [ 406.274466] kmem_cache_alloc_node+0xe3/0x730 [ 406.278958] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.283203] __alloc_skb+0x119/0x770 [ 406.286917] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.292197] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.296613] ? lock_downgrade+0x900/0x900 [ 406.300773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.306327] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.311784] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.317233] ? addrconf_rs_timer+0x690/0x690 [ 406.321653] ndisc_alloc_skb+0x144/0x340 [ 406.325721] ndisc_send_rs+0x331/0x6e0 [ 406.329651] addrconf_rs_timer+0x314/0x690 [ 406.333913] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.338164] call_timer_fn+0x272/0x920 [ 406.342060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.346295] ? process_timeout+0x40/0x40 [ 406.350364] ? __run_timers+0x7da/0xc70 [ 406.354345] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.358843] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.363356] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.367596] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.372195] ? trace_hardirqs_on+0xbd/0x310 [ 406.376516] ? kasan_check_read+0x11/0x20 [ 406.380675] ? __run_timers+0x7da/0xc70 [ 406.384665] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.389776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.394015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.398247] __run_timers+0x7e5/0xc70 [ 406.402055] ? timer_fixup_init+0x70/0x70 [ 406.406205] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.410705] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.415210] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 406.419798] ? trace_hardirqs_on+0xbd/0x310 [ 406.424121] ? kasan_check_read+0x11/0x20 [ 406.428269] ? finish_task_switch+0x1f4/0x910 [ 406.432763] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.437869] ? compat_start_thread+0x80/0x80 [ 406.442296] ? pvclock_read_flags+0x160/0x160 [ 406.446787] ? __switch_to_asm+0x34/0x70 [ 406.450850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.456388] ? check_preemption_disabled+0x48/0x280 [ 406.461442] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 406.466994] ? rcu_pm_notify+0xc0/0xc0 [ 406.470881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.476417] ? check_preemption_disabled+0x48/0x280 [ 406.481453] run_timer_softirq+0x52/0xb0 [ 406.485516] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.490558] __do_softirq+0x308/0xb7e [ 406.494388] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.499488] ? smpboot_thread_fn+0x334/0xa00 [ 406.503898] ? schedule+0x108/0x460 [ 406.507534] ? trace_hardirqs_off+0xb8/0x310 [ 406.511937] ? smpboot_thread_fn+0x68b/0xa00 [ 406.516344] ? trace_hardirqs_on+0x310/0x310 [ 406.520752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.526292] ? check_preemption_disabled+0x48/0x280 [ 406.531307] ? takeover_tasklets+0xa90/0xa90 [ 406.535761] run_ksoftirqd+0x5e/0x100 [ 406.539590] smpboot_thread_fn+0x68b/0xa00 [ 406.543834] ? sort_range+0x30/0x30 [ 406.547462] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.552563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.558100] ? __kthread_parkme+0xfb/0x1a0 [ 406.562337] ? sort_range+0x30/0x30 [ 406.565962] kthread+0x35a/0x440 [ 406.569327] ? kthread_stop+0x900/0x900 [ 406.573332] ret_from_fork+0x3a/0x50 [ 406.577066] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 406.577071] warn_alloc_show_mem: 1 callbacks suppressed [ 406.577078] Mem-Info: [ 406.584435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.589803] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 406.589803] active_file:15 inactive_file:12 isolated_file:0 [ 406.589803] unevictable:0 dirty:0 writeback:0 unstable:0 [ 406.589803] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 406.589803] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 406.589803] free:13769 free_pcp:294 free_cma:0 [ 406.592198] Call Trace: [ 406.601604] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 406.634701] [ 406.637273] 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 [ 406.665110] dump_stack+0x244/0x39d [ 406.667235] lowmem_reserve[]: 0 2818 6321 6321 [ 406.693333] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.696933] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 406.701510] warn_alloc.cold.116+0xb7/0x1bd [ 406.706669] lowmem_reserve[]: 0 0 3503 3503 [ 406.734103] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.738398] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 406.742708] ? lock_downgrade+0x900/0x900 [ 406.747524] lowmem_reserve[]: 0 0 0 0 [ 406.776627] ? trace_hardirqs_off+0xb8/0x310 [ 406.780746] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 406.784540] ? trace_hardirqs_off+0xb8/0x310 [ 406.788922] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 406.802447] __alloc_pages_slowpath+0x26e8/0x2e10 [ 406.806824] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 406.822357] ? warn_alloc+0x120/0x120 [ 406.827157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 406.841891] ? print_usage_bug+0xc0/0xc0 [ 406.845669] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 406.854491] ? warn_alloc+0x120/0x120 [ 406.858527] 12557 total pagecache pages [ 406.867093] ? warn_alloc+0x120/0x120 [ 406.870869] 0 pages in swap cache [ 406.874829] ? print_usage_bug+0xc0/0xc0 [ 406.878610] Swap cache stats: add 0, delete 0, find 0/0 [ 406.882052] ? kvm_clock_read+0x18/0x30 [ 406.886086] Free swap = 0kB [ 406.891445] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 406.895397] Total swap = 0kB [ 406.898407] ? print_usage_bug+0xc0/0xc0 [ 406.903399] 1965979 pages RAM [ 406.906407] ? __lock_acquire+0x62f/0x4c20 [ 406.910453] 0 pages HighMem/MovableOnly [ 406.913552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.917760] 342853 pages reserved [ 406.921727] ? should_fail+0x22d/0xd01 [ 406.927238] 0 pages cma reserved [ 406.930682] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.934604] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 406.937905] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.943240] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.949648] ? __lock_acquire+0x62f/0x4c20 [ 406.954726] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 406.965028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.978979] ? __lock_acquire+0x62f/0x4c20 [ 406.983217] ? should_fail+0x22d/0xd01 [ 406.987119] ? rcu_irq_exit+0x1a2/0x390 [ 406.991102] ? mark_held_locks+0x130/0x130 [ 406.995344] ? mark_held_locks+0x130/0x130 [ 406.999585] ? mark_held_locks+0xc7/0x130 [ 407.003753] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 407.008816] ? zap_class+0x640/0x640 [ 407.012546] ? print_usage_bug+0xc0/0xc0 [ 407.016609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.022145] ? check_preemption_disabled+0x48/0x280 [ 407.027205] ? __lock_is_held+0xb5/0x140 [ 407.031276] __alloc_pages_nodemask+0xa80/0xde0 [ 407.035945] ? zap_class+0x640/0x640 [ 407.039661] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 407.044687] ? find_held_lock+0x36/0x1c0 [ 407.048770] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.053438] ? lock_downgrade+0x900/0x900 [ 407.057590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.063134] cache_grow_begin+0xa5/0x8c0 [ 407.067205] ? do_raw_spin_unlock+0xa7/0x330 [ 407.071622] fallback_alloc+0x204/0x2e0 [ 407.075601] ____cache_alloc_node+0x1c7/0x1e0 [ 407.080100] kmem_cache_alloc_node+0xe3/0x730 [ 407.084610] ? ipv6_get_ifaddr+0x42e/0x620 [ 407.088850] __alloc_skb+0x119/0x770 [ 407.092561] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.097840] ? netdev_alloc_frag+0x1f0/0x1f0 [ 407.102247] ? lock_downgrade+0x900/0x900 [ 407.106404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.111947] ? refcount_sub_and_test_checked+0x203/0x310 [ 407.117399] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 407.122848] ? addrconf_rs_timer+0x690/0x690 [ 407.127266] ndisc_alloc_skb+0x144/0x340 [ 407.131330] ndisc_send_rs+0x331/0x6e0 [ 407.135220] addrconf_rs_timer+0x314/0x690 [ 407.139476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.143723] call_timer_fn+0x272/0x920 [ 407.147665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.151915] ? process_timeout+0x40/0x40 [ 407.155984] ? __run_timers+0x7da/0xc70 [ 407.159958] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.164469] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.168967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.173208] ? lockdep_hardirqs_on+0x296/0x5b0 [ 407.177793] ? trace_hardirqs_on+0xbd/0x310 [ 407.182112] ? kasan_check_read+0x11/0x20 [ 407.186283] ? __run_timers+0x7da/0xc70 [ 407.190260] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.195368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.199613] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.203849] __run_timers+0x7e5/0xc70 [ 407.207664] ? timer_fixup_init+0x70/0x70 [ 407.212277] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 407.217295] ? zap_class+0x640/0x640 [ 407.221013] ? enqueue_hrtimer+0x1a5/0x560 [ 407.225250] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 407.230449] ? find_held_lock+0x36/0x1c0 [ 407.234515] ? zap_class+0x640/0x640 [ 407.238236] ? pvclock_read_flags+0x160/0x160 [ 407.242737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.248274] ? check_preemption_disabled+0x48/0x280 [ 407.253303] ? __lock_is_held+0xb5/0x140 [ 407.257370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.262907] ? check_preemption_disabled+0x48/0x280 [ 407.267927] run_timer_softirq+0x52/0xb0 [ 407.272002] ? rcu_read_lock_sched_held+0x14f/0x180 [ 407.277032] __do_softirq+0x308/0xb7e [ 407.280850] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 407.285346] ? lock_downgrade+0x900/0x900 [ 407.289499] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 407.294613] ? pvclock_read_flags+0x160/0x160 [ 407.299111] ? lapic_next_event+0x5a/0x90 [ 407.303259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.308817] ? kvm_clock_read+0x18/0x30 [ 407.312794] ? kvm_sched_clock_read+0x9/0x20 [ 407.317222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.322763] ? check_preemption_disabled+0x48/0x280 [ 407.327787] irq_exit+0x17f/0x1c0 [ 407.331239] smp_apic_timer_interrupt+0x1cb/0x760 [ 407.336079] ? smp_reschedule_interrupt+0x109/0x650 [ 407.341098] ? smp_call_function_single_interrupt+0x650/0x650 [ 407.347166] ? interrupt_entry+0xb5/0xc0 [ 407.351257] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.356270] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.361287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.366131] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.371163] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.376203] ? task_prio+0x50/0x50 [ 407.379760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.385304] ? check_preemption_disabled+0x48/0x280 [ 407.390326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.395187] apic_timer_interrupt+0xf/0x20 [ 407.399419] [ 407.401660] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 407.407558] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 407.426452] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 407.434160] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 407.441453] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 407.448719] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 407.455983] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 407.463244] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 407.470531] ? save_stack+0xa9/0xd0 [ 407.474163] __kmalloc_node_track_caller+0x3c/0x70 [ 407.479109] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 407.483867] pskb_expand_head+0x230/0x10f0 [ 407.488098] ? check_preemption_disabled+0x48/0x280 [ 407.493114] ? memcpy+0x45/0x50 [ 407.496394] ? __copy_skb_header+0x350/0x6b0 [ 407.500800] ? skb_release_data+0x880/0x880 [ 407.505119] ? __alloc_skb+0x770/0x770 [ 407.509009] ? __lock_is_held+0xb5/0x140 [ 407.513093] ? kasan_check_write+0x14/0x20 [ 407.517340] ? __skb_clone+0x6c7/0xa00 [ 407.521228] ? __copy_skb_header+0x6b0/0x6b0 [ 407.525661] ? kmem_cache_alloc+0x33a/0x730 [ 407.529985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.535530] skb_ensure_writable+0x3dd/0x640 [ 407.539957] ? skb_checksum_setup+0xaa0/0xaa0 [ 407.544454] ? preempt_notifier_register+0x200/0x200 [ 407.549553] ? __switch_to_asm+0x34/0x70 [ 407.553611] ? __switch_to_asm+0x34/0x70 [ 407.557687] ? __switch_to_asm+0x40/0x70 [ 407.561753] ? __switch_to_asm+0x34/0x70 [ 407.565810] ? __switch_to_asm+0x40/0x70 [ 407.569885] ? __switch_to_asm+0x40/0x70 [ 407.573946] ? __switch_to_asm+0x34/0x70 [ 407.578007] ? __switch_to_asm+0x34/0x70 [ 407.582064] ? __switch_to_asm+0x40/0x70 [ 407.586119] ? __switch_to_asm+0x34/0x70 [ 407.590207] bpf_clone_redirect+0x14a/0x490 [ 407.594565] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 407.599583] ? __sched_text_start+0x8/0x8 [ 407.603747] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.608517] ? find_held_lock+0x36/0x1c0 [ 407.612587] ? lock_acquire+0x1ed/0x520 [ 407.616577] ? bpf_test_run+0x3cb/0x780 [ 407.620549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.626092] ? check_preemption_disabled+0x48/0x280 [ 407.631127] ? kasan_check_read+0x11/0x20 [ 407.635290] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.640579] ? rcu_softirq_qs+0x20/0x20 [ 407.644559] ? preempt_schedule+0x4d/0x60 [ 407.648710] ? ___preempt_schedule+0x16/0x18 [ 407.653127] ? bpf_test_run+0x25d/0x780 [ 407.657112] ? netlink_diag_dump+0x2a0/0x2a0 [ 407.661525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.667077] ? bpf_test_init.isra.10+0x70/0x100 [ 407.671754] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 407.676521] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 407.681377] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 407.686911] ? fput+0x130/0x1a0 [ 407.690205] ? __bpf_prog_get+0x9b/0x290 [ 407.694268] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 407.699106] ? bpf_prog_test_run+0x130/0x1a0 [ 407.703519] ? __x64_sys_bpf+0x3db/0x520 [ 407.707595] ? bpf_prog_get+0x20/0x20 [ 407.711421] ? do_syscall_64+0x1b9/0x820 [ 407.715479] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 407.720843] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.725775] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.730794] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 407.735811] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 407.742500] ? __switch_to_asm+0x40/0x70 [ 407.746599] ? __switch_to_asm+0x34/0x70 [ 407.750663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.755509] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.760898] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 407.760964] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.767830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.767850] Call Trace: [ 407.767882] dump_stack+0x244/0x39d [ 407.767901] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.767941] warn_alloc.cold.116+0xb7/0x1bd [ 407.774483] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.783751] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.786317] syz-executor2 cpuset=syz2 mems_allowed=0 [ 407.789935] ? lock_downgrade+0x900/0x900 [ 407.823947] ? trace_hardirqs_off+0xb8/0x310 [ 407.828362] ? trace_hardirqs_off+0xb8/0x310 [ 407.832784] __alloc_pages_slowpath+0x26e8/0x2e10 [ 407.837657] ? warn_alloc+0x120/0x120 [ 407.841480] ? print_usage_bug+0xc0/0xc0 [ 407.845544] ? warn_alloc+0x120/0x120 [ 407.849349] ? warn_alloc+0x120/0x120 [ 407.853149] ? print_usage_bug+0xc0/0xc0 [ 407.857266] ? print_usage_bug+0xc0/0xc0 [ 407.861333] ? __lock_acquire+0x62f/0x4c20 [ 407.865573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.871112] ? should_fail+0x22d/0xd01 [ 407.875004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.880111] ? __lock_acquire+0x62f/0x4c20 [ 407.884354] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.889454] ? __lock_acquire+0x62f/0x4c20 [ 407.893702] ? should_fail+0x22d/0xd01 [ 407.897610] ? find_held_lock+0x36/0x1c0 [ 407.901699] ? mark_held_locks+0x130/0x130 [ 407.905937] ? mark_held_locks+0x130/0x130 [ 407.910179] ? zap_class+0x640/0x640 [ 407.913897] ? mark_held_locks+0xc7/0x130 [ 407.918045] ? do_raw_spin_unlock+0xa7/0x330 [ 407.922452] ? zap_class+0x640/0x640 [ 407.926165] ? print_usage_bug+0xc0/0xc0 [ 407.930275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.935814] ? check_preemption_disabled+0x48/0x280 [ 407.940838] ? __lock_is_held+0xb5/0x140 [ 407.944913] __alloc_pages_nodemask+0xa80/0xde0 [ 407.949596] ? zap_class+0x640/0x640 [ 407.953330] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 407.958358] ? find_held_lock+0x36/0x1c0 [ 407.962431] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.967103] ? lock_downgrade+0x900/0x900 [ 407.971258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.976810] cache_grow_begin+0xa5/0x8c0 [ 407.980871] ? do_raw_spin_unlock+0xa7/0x330 [ 407.985291] fallback_alloc+0x204/0x2e0 [ 407.989276] ____cache_alloc_node+0x1c7/0x1e0 [ 407.993774] kmem_cache_alloc_node+0xe3/0x730 [ 407.998274] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.002534] __alloc_skb+0x119/0x770 [ 408.006278] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.011559] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.015970] ? lock_downgrade+0x900/0x900 [ 408.020122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.025672] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.031143] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.036601] ? addrconf_rs_timer+0x690/0x690 [ 408.041022] ndisc_alloc_skb+0x144/0x340 [ 408.045105] ndisc_send_rs+0x331/0x6e0 [ 408.049001] addrconf_rs_timer+0x314/0x690 [ 408.053252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.057498] call_timer_fn+0x272/0x920 [ 408.061388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.065629] ? process_timeout+0x40/0x40 [ 408.069707] ? __run_timers+0x7da/0xc70 [ 408.073723] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.078218] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.082748] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.086997] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.091585] ? trace_hardirqs_on+0xbd/0x310 [ 408.095907] ? kasan_check_read+0x11/0x20 [ 408.100055] ? __run_timers+0x7da/0xc70 [ 408.104037] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.109144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.113392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.117629] __run_timers+0x7e5/0xc70 [ 408.121442] ? timer_fixup_init+0x70/0x70 [ 408.125589] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.130082] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.134580] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 408.139184] ? trace_hardirqs_on+0xbd/0x310 [ 408.143509] ? kasan_check_read+0x11/0x20 [ 408.147659] ? finish_task_switch+0x1f4/0x910 [ 408.152164] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.157275] ? compat_start_thread+0x80/0x80 [ 408.161712] ? pvclock_read_flags+0x160/0x160 [ 408.166204] ? __switch_to_asm+0x34/0x70 [ 408.170267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.175811] ? check_preemption_disabled+0x48/0x280 [ 408.180840] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 408.186384] ? rcu_pm_notify+0xc0/0xc0 [ 408.190277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.195818] ? check_preemption_disabled+0x48/0x280 [ 408.200856] run_timer_softirq+0x52/0xb0 [ 408.204931] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.209949] __do_softirq+0x308/0xb7e [ 408.213975] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 408.219084] ? smpboot_thread_fn+0x334/0xa00 [ 408.223503] ? schedule+0x108/0x460 [ 408.227163] ? trace_hardirqs_off+0xb8/0x310 [ 408.231581] ? smpboot_thread_fn+0x68b/0xa00 [ 408.235996] ? trace_hardirqs_on+0x310/0x310 [ 408.240408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.245948] ? check_preemption_disabled+0x48/0x280 [ 408.250964] ? takeover_tasklets+0xa90/0xa90 [ 408.255374] run_ksoftirqd+0x5e/0x100 [ 408.259193] smpboot_thread_fn+0x68b/0xa00 [ 408.263471] ? sort_range+0x30/0x30 [ 408.267097] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.272213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.277757] ? __kthread_parkme+0xfb/0x1a0 [ 408.281994] ? sort_range+0x30/0x30 [ 408.285622] kthread+0x35a/0x440 [ 408.288987] ? kthread_stop+0x900/0x900 [ 408.292979] ret_from_fork+0x3a/0x50 [ 408.296714] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 408.296733] warn_alloc_show_mem: 1 callbacks suppressed [ 408.296740] Mem-Info: [ 408.304094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.309467] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 408.309467] active_file:15 inactive_file:12 isolated_file:0 [ 408.309467] unevictable:0 dirty:0 writeback:0 unstable:0 [ 408.309467] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 408.309467] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 408.309467] free:13769 free_pcp:294 free_cma:0 [ 408.311840] Call Trace: [ 408.321234] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 408.354423] [ 408.356995] 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 [ 408.384834] dump_stack+0x244/0x39d [ 408.386971] lowmem_reserve[]: 0 2818 6321 6321 [ 408.413090] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.416689] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 408.421271] warn_alloc.cold.116+0xb7/0x1bd [ 408.426426] lowmem_reserve[]: 0 0 3503 3503 [ 408.453828] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.458123] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 408.462456] ? lock_downgrade+0x900/0x900 [ 408.467271] lowmem_reserve[]: 0 0 0 0 [ 408.496327] ? trace_hardirqs_off+0xb8/0x310 [ 408.500442] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 408.504235] ? trace_hardirqs_off+0xb8/0x310 [ 408.508616] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 408.522150] __alloc_pages_slowpath+0x26e8/0x2e10 [ 408.526526] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 408.542055] ? warn_alloc+0x120/0x120 [ 408.546870] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 408.561590] ? print_usage_bug+0xc0/0xc0 [ 408.565365] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 408.574199] ? warn_alloc+0x120/0x120 [ 408.578236] 12557 total pagecache pages [ 408.586800] ? warn_alloc+0x120/0x120 [ 408.590581] 0 pages in swap cache [ 408.594542] ? print_usage_bug+0xc0/0xc0 [ 408.598321] Swap cache stats: add 0, delete 0, find 0/0 [ 408.601795] ? kvm_clock_read+0x18/0x30 [ 408.605833] Free swap = 0kB [ 408.611196] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.615138] Total swap = 0kB [ 408.618148] ? print_usage_bug+0xc0/0xc0 [ 408.623140] 1965979 pages RAM [ 408.626149] ? __lock_acquire+0x62f/0x4c20 [ 408.630186] 0 pages HighMem/MovableOnly [ 408.630194] 342853 pages reserved [ 408.633294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.637500] 0 pages cma reserved [ 408.641466] ? should_fail+0x22d/0xd01 [ 408.644956] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.650414] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.650433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.653874] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.657732] ? __lock_acquire+0x62f/0x4c20 [ 408.664203] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 408.669485] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.698955] ? __lock_acquire+0x62f/0x4c20 [ 408.703226] ? should_fail+0x22d/0xd01 [ 408.707115] ? rcu_irq_exit+0x1a2/0x390 [ 408.711101] ? mark_held_locks+0x130/0x130 [ 408.715338] ? mark_held_locks+0x130/0x130 [ 408.719582] ? mark_held_locks+0xc7/0x130 [ 408.723728] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 408.728744] ? zap_class+0x640/0x640 [ 408.732461] ? print_usage_bug+0xc0/0xc0 [ 408.736531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.742070] ? check_preemption_disabled+0x48/0x280 [ 408.747099] ? __lock_is_held+0xb5/0x140 [ 408.751166] __alloc_pages_nodemask+0xa80/0xde0 [ 408.755866] ? zap_class+0x640/0x640 [ 408.759583] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 408.764614] ? find_held_lock+0x36/0x1c0 [ 408.768687] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.773360] ? lock_downgrade+0x900/0x900 [ 408.777517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.783063] cache_grow_begin+0xa5/0x8c0 [ 408.787128] ? do_raw_spin_unlock+0xa7/0x330 [ 408.791544] fallback_alloc+0x204/0x2e0 [ 408.795524] ____cache_alloc_node+0x1c7/0x1e0 [ 408.800026] kmem_cache_alloc_node+0xe3/0x730 [ 408.804527] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.808778] __alloc_skb+0x119/0x770 [ 408.812493] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.817773] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.822191] ? lock_downgrade+0x900/0x900 [ 408.826348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.831885] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.837343] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.842796] ? addrconf_rs_timer+0x690/0x690 [ 408.847226] ndisc_alloc_skb+0x144/0x340 [ 408.851296] ndisc_send_rs+0x331/0x6e0 [ 408.855203] addrconf_rs_timer+0x314/0x690 [ 408.859450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.863696] call_timer_fn+0x272/0x920 [ 408.867588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.871822] ? process_timeout+0x40/0x40 [ 408.875894] ? __run_timers+0x7da/0xc70 [ 408.879870] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.884362] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.888855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.893088] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.897686] ? trace_hardirqs_on+0xbd/0x310 [ 408.902008] ? kasan_check_read+0x11/0x20 [ 408.906156] ? __run_timers+0x7da/0xc70 [ 408.910148] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.915267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.919509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.923740] __run_timers+0x7e5/0xc70 [ 408.927551] ? timer_fixup_init+0x70/0x70 [ 408.931701] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.936721] ? zap_class+0x640/0x640 [ 408.940440] ? enqueue_hrtimer+0x1a5/0x560 [ 408.944707] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 408.949901] ? find_held_lock+0x36/0x1c0 [ 408.953968] ? zap_class+0x640/0x640 [ 408.957684] ? pvclock_read_flags+0x160/0x160 [ 408.962220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.967778] ? check_preemption_disabled+0x48/0x280 [ 408.972808] ? __lock_is_held+0xb5/0x140 [ 408.976871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.982408] ? check_preemption_disabled+0x48/0x280 [ 408.987442] run_timer_softirq+0x52/0xb0 [ 408.991510] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.996524] __do_softirq+0x308/0xb7e [ 409.000333] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 409.004825] ? lock_downgrade+0x900/0x900 [ 409.008973] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.014080] ? pvclock_read_flags+0x160/0x160 [ 409.018590] ? lapic_next_event+0x5a/0x90 [ 409.022769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.028327] ? kvm_clock_read+0x18/0x30 [ 409.032302] ? kvm_sched_clock_read+0x9/0x20 [ 409.036712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.042253] ? check_preemption_disabled+0x48/0x280 [ 409.047277] irq_exit+0x17f/0x1c0 [ 409.050730] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.055587] ? smp_reschedule_interrupt+0x109/0x650 [ 409.060602] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.066499] ? interrupt_entry+0xb5/0xc0 [ 409.070560] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.075577] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.080592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.085433] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.090463] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.095490] ? task_prio+0x50/0x50 [ 409.099032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.104572] ? check_preemption_disabled+0x48/0x280 [ 409.109621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.114468] apic_timer_interrupt+0xf/0x20 [ 409.118706] [ 409.120954] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 409.126837] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 409.145769] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 409.153472] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 409.160752] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 409.168018] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 409.175284] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 409.182554] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 409.189911] ? save_stack+0xa9/0xd0 [ 409.193547] __kmalloc_node_track_caller+0x3c/0x70 [ 409.198505] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 409.203266] pskb_expand_head+0x230/0x10f0 [ 409.207500] ? check_preemption_disabled+0x48/0x280 [ 409.212517] ? memcpy+0x45/0x50 [ 409.215801] ? __copy_skb_header+0x350/0x6b0 [ 409.220224] ? skb_release_data+0x880/0x880 [ 409.224546] ? __alloc_skb+0x770/0x770 [ 409.228445] ? __lock_is_held+0xb5/0x140 [ 409.232525] ? kasan_check_write+0x14/0x20 [ 409.236769] ? __skb_clone+0x6c7/0xa00 [ 409.240660] ? __copy_skb_header+0x6b0/0x6b0 [ 409.245065] ? kmem_cache_alloc+0x33a/0x730 [ 409.249390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.254933] skb_ensure_writable+0x3dd/0x640 [ 409.259341] ? skb_checksum_setup+0xaa0/0xaa0 [ 409.263837] ? preempt_notifier_register+0x200/0x200 [ 409.268938] ? __switch_to_asm+0x34/0x70 [ 409.273025] ? __switch_to_asm+0x34/0x70 [ 409.277082] ? __switch_to_asm+0x40/0x70 [ 409.281140] ? __switch_to_asm+0x34/0x70 [ 409.285211] ? __switch_to_asm+0x40/0x70 [ 409.289277] ? __switch_to_asm+0x40/0x70 [ 409.293350] ? __switch_to_asm+0x34/0x70 [ 409.297407] ? __switch_to_asm+0x34/0x70 [ 409.301495] ? __switch_to_asm+0x40/0x70 [ 409.305552] ? __switch_to_asm+0x34/0x70 [ 409.309616] bpf_clone_redirect+0x14a/0x490 [ 409.313946] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 409.318994] ? __sched_text_start+0x8/0x8 [ 409.323144] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 409.327917] ? find_held_lock+0x36/0x1c0 [ 409.332006] ? lock_acquire+0x1ed/0x520 [ 409.335983] ? bpf_test_run+0x3cb/0x780 [ 409.340001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.345722] ? check_preemption_disabled+0x48/0x280 [ 409.350744] ? kasan_check_read+0x11/0x20 [ 409.354894] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.360168] ? rcu_softirq_qs+0x20/0x20 [ 409.364159] ? preempt_schedule+0x4d/0x60 [ 409.368322] ? ___preempt_schedule+0x16/0x18 [ 409.372738] ? bpf_test_run+0x25d/0x780 [ 409.376729] ? netlink_diag_dump+0x2a0/0x2a0 [ 409.381138] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.386673] ? bpf_test_init.isra.10+0x70/0x100 [ 409.391352] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 409.396117] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 409.400958] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 409.406494] ? fput+0x130/0x1a0 [ 409.409778] ? __bpf_prog_get+0x9b/0x290 [ 409.413844] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 409.418683] ? bpf_prog_test_run+0x130/0x1a0 [ 409.423098] ? __x64_sys_bpf+0x3db/0x520 [ 409.427162] ? bpf_prog_get+0x20/0x20 [ 409.430999] ? do_syscall_64+0x1b9/0x820 [ 409.435058] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 409.440422] ? syscall_return_slowpath+0x5e0/0x5e0 [ 409.445354] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.450372] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 409.455404] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 409.462071] ? __switch_to_asm+0x40/0x70 [ 409.466147] ? __switch_to_asm+0x34/0x70 [ 409.470225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.475072] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.480456] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 409.480521] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 409.487380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.487385] Call Trace: [ 409.487404] dump_stack+0x244/0x39d [ 409.487458] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.494010] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.503314] warn_alloc.cold.116+0xb7/0x1bd [ 409.505867] syz-executor2 cpuset=syz2 mems_allowed=0 [ 409.509489] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.539356] ? lock_downgrade+0x900/0x900 [ 409.543514] ? trace_hardirqs_off+0xb8/0x310 [ 409.547961] ? trace_hardirqs_off+0xb8/0x310 [ 409.552378] __alloc_pages_slowpath+0x26e8/0x2e10 [ 409.557252] ? warn_alloc+0x120/0x120 [ 409.561075] ? print_usage_bug+0xc0/0xc0 [ 409.565136] ? warn_alloc+0x120/0x120 [ 409.568952] ? warn_alloc+0x120/0x120 [ 409.572758] ? print_usage_bug+0xc0/0xc0 [ 409.576822] ? print_usage_bug+0xc0/0xc0 [ 409.580892] ? __lock_acquire+0x62f/0x4c20 [ 409.585131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.590672] ? should_fail+0x22d/0xd01 [ 409.594568] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.599690] ? __lock_acquire+0x62f/0x4c20 [ 409.603932] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.609041] ? __lock_acquire+0x62f/0x4c20 [ 409.613272] ? should_fail+0x22d/0xd01 [ 409.617162] ? find_held_lock+0x36/0x1c0 [ 409.621240] ? mark_held_locks+0x130/0x130 [ 409.625513] ? mark_held_locks+0x130/0x130 [ 409.629758] ? zap_class+0x640/0x640 [ 409.633477] ? mark_held_locks+0xc7/0x130 [ 409.637635] ? do_raw_spin_unlock+0xa7/0x330 [ 409.642046] ? zap_class+0x640/0x640 [ 409.645759] ? print_usage_bug+0xc0/0xc0 [ 409.649840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.655380] ? check_preemption_disabled+0x48/0x280 [ 409.660409] ? __lock_is_held+0xb5/0x140 [ 409.664478] __alloc_pages_nodemask+0xa80/0xde0 [ 409.669149] ? zap_class+0x640/0x640 [ 409.672874] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 409.677901] ? find_held_lock+0x36/0x1c0 [ 409.681976] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.686666] ? lock_downgrade+0x900/0x900 [ 409.690824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.696369] cache_grow_begin+0xa5/0x8c0 [ 409.700442] ? do_raw_spin_unlock+0xa7/0x330 [ 409.704863] fallback_alloc+0x204/0x2e0 [ 409.708848] ____cache_alloc_node+0x1c7/0x1e0 [ 409.713347] kmem_cache_alloc_node+0xe3/0x730 [ 409.717844] ? ipv6_get_ifaddr+0x42e/0x620 [ 409.722093] __alloc_skb+0x119/0x770 [ 409.725823] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.731103] ? netdev_alloc_frag+0x1f0/0x1f0 [ 409.735546] ? lock_downgrade+0x900/0x900 [ 409.739719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.745289] ? refcount_sub_and_test_checked+0x203/0x310 [ 409.750745] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 409.756206] ? addrconf_rs_timer+0x690/0x690 [ 409.760631] ndisc_alloc_skb+0x144/0x340 [ 409.764706] ndisc_send_rs+0x331/0x6e0 [ 409.768601] addrconf_rs_timer+0x314/0x690 [ 409.772841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.777093] call_timer_fn+0x272/0x920 [ 409.780993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.785229] ? process_timeout+0x40/0x40 [ 409.789299] ? __run_timers+0x7da/0xc70 [ 409.793277] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.797775] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.802268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.806506] ? lockdep_hardirqs_on+0x296/0x5b0 [ 409.811090] ? trace_hardirqs_on+0xbd/0x310 [ 409.815415] ? kasan_check_read+0x11/0x20 [ 409.819563] ? __run_timers+0x7da/0xc70 [ 409.823543] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.828654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.832910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.837140] __run_timers+0x7e5/0xc70 [ 409.840951] ? timer_fixup_init+0x70/0x70 [ 409.845100] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.849598] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.854094] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.858680] ? trace_hardirqs_on+0xbd/0x310 [ 409.863029] ? kasan_check_read+0x11/0x20 [ 409.867182] ? finish_task_switch+0x1f4/0x910 [ 409.871701] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.876819] ? compat_start_thread+0x80/0x80 [ 409.881254] ? pvclock_read_flags+0x160/0x160 [ 409.885752] ? __switch_to_asm+0x34/0x70 [ 409.889813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.895356] ? check_preemption_disabled+0x48/0x280 [ 409.900385] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 409.905927] ? rcu_pm_notify+0xc0/0xc0 [ 409.909815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.915367] ? check_preemption_disabled+0x48/0x280 [ 409.920390] run_timer_softirq+0x52/0xb0 [ 409.924450] ? rcu_read_lock_sched_held+0x14f/0x180 [ 409.929467] __do_softirq+0x308/0xb7e [ 409.933284] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.938389] ? smpboot_thread_fn+0x334/0xa00 [ 409.942803] ? schedule+0x108/0x460 [ 409.946440] ? trace_hardirqs_off+0xb8/0x310 [ 409.950864] ? smpboot_thread_fn+0x68b/0xa00 [ 409.955277] ? trace_hardirqs_on+0x310/0x310 [ 409.959732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.965270] ? check_preemption_disabled+0x48/0x280 [ 409.970290] ? takeover_tasklets+0xa90/0xa90 [ 409.974708] run_ksoftirqd+0x5e/0x100 [ 409.978513] smpboot_thread_fn+0x68b/0xa00 [ 409.982762] ? sort_range+0x30/0x30 [ 409.986386] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.991492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.997033] ? __kthread_parkme+0xfb/0x1a0 [ 410.001284] ? sort_range+0x30/0x30 [ 410.004910] kthread+0x35a/0x440 [ 410.008278] ? kthread_stop+0x900/0x900 [ 410.012254] ret_from_fork+0x3a/0x50 [ 410.015988] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 410.015994] warn_alloc_show_mem: 1 callbacks suppressed [ 410.016001] Mem-Info: [ 410.023367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.028754] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 410.028754] active_file:15 inactive_file:12 isolated_file:0 [ 410.028754] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.028754] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 410.028754] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 410.028754] free:13769 free_pcp:294 free_cma:0 [ 410.031140] Call Trace: [ 410.040527] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.073630] [ 410.076206] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 410.104045] dump_stack+0x244/0x39d [ 410.106171] lowmem_reserve[]: 0 2818 6321 6321 [ 410.132297] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.135915] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 410.140513] warn_alloc.cold.116+0xb7/0x1bd [ 410.145673] lowmem_reserve[]: 0 0 3503 3503 [ 410.173083] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.177390] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 410.181720] ? lock_downgrade+0x900/0x900 [ 410.186538] lowmem_reserve[]: 0 0 0 0 [ 410.216162] ? trace_hardirqs_off+0xb8/0x310 [ 410.220305] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 410.224101] ? trace_hardirqs_off+0xb8/0x310 [ 410.228480] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 410.242014] __alloc_pages_slowpath+0x26e8/0x2e10 [ 410.246654] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 410.262199] ? warn_alloc+0x120/0x120 [ 410.266997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 410.281724] ? print_usage_bug+0xc0/0xc0 [ 410.285506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 410.294327] ? warn_alloc+0x120/0x120 [ 410.298363] 12557 total pagecache pages [ 410.306933] ? warn_alloc+0x120/0x120 [ 410.310719] 0 pages in swap cache [ 410.314682] ? print_usage_bug+0xc0/0xc0 [ 410.318467] Swap cache stats: add 0, delete 0, find 0/0 [ 410.321917] ? kvm_clock_read+0x18/0x30 [ 410.325954] Free swap = 0kB [ 410.331394] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.335342] Total swap = 0kB [ 410.339321] ? print_usage_bug+0xc0/0xc0 [ 410.344316] 1965979 pages RAM [ 410.347333] ? __lock_acquire+0x62f/0x4c20 [ 410.351368] 0 pages HighMem/MovableOnly [ 410.354468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.358700] 342853 pages reserved [ 410.362665] ? should_fail+0x22d/0xd01 [ 410.368190] 0 pages cma reserved [ 410.371635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.375580] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 410.378870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.384270] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.390611] ? __lock_acquire+0x62f/0x4c20 [ 410.395708] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 410.406012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.419966] ? __lock_acquire+0x62f/0x4c20 [ 410.424211] ? should_fail+0x22d/0xd01 [ 410.428100] ? rcu_irq_exit+0x1a2/0x390 [ 410.432090] ? mark_held_locks+0x130/0x130 [ 410.436334] ? mark_held_locks+0x130/0x130 [ 410.440574] ? mark_held_locks+0xc7/0x130 [ 410.444741] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 410.449771] ? zap_class+0x640/0x640 [ 410.453484] ? print_usage_bug+0xc0/0xc0 [ 410.457566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.463117] ? check_preemption_disabled+0x48/0x280 [ 410.468144] ? __lock_is_held+0xb5/0x140 [ 410.472255] __alloc_pages_nodemask+0xa80/0xde0 [ 410.476925] ? zap_class+0x640/0x640 [ 410.480646] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 410.485672] ? find_held_lock+0x36/0x1c0 [ 410.489747] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.494417] ? lock_downgrade+0x900/0x900 [ 410.498578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.504122] cache_grow_begin+0xa5/0x8c0 [ 410.508192] ? do_raw_spin_unlock+0xa7/0x330 [ 410.512615] fallback_alloc+0x204/0x2e0 [ 410.516613] ____cache_alloc_node+0x1c7/0x1e0 [ 410.521114] kmem_cache_alloc_node+0xe3/0x730 [ 410.525613] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.529862] __alloc_skb+0x119/0x770 [ 410.533591] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.538885] ? netdev_alloc_frag+0x1f0/0x1f0 [ 410.543293] ? lock_downgrade+0x900/0x900 [ 410.547451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.552989] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.558452] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.563900] ? addrconf_rs_timer+0x690/0x690 [ 410.568330] ndisc_alloc_skb+0x144/0x340 [ 410.572413] ndisc_send_rs+0x331/0x6e0 [ 410.576338] addrconf_rs_timer+0x314/0x690 [ 410.580597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.584844] call_timer_fn+0x272/0x920 [ 410.588729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.592967] ? process_timeout+0x40/0x40 [ 410.597039] ? __run_timers+0x7da/0xc70 [ 410.601015] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.605511] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.610005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.614239] ? lockdep_hardirqs_on+0x296/0x5b0 [ 410.618826] ? trace_hardirqs_on+0xbd/0x310 [ 410.623149] ? kasan_check_read+0x11/0x20 [ 410.627305] ? __run_timers+0x7da/0xc70 [ 410.631280] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.636385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.640623] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.644856] __run_timers+0x7e5/0xc70 [ 410.648661] ? timer_fixup_init+0x70/0x70 [ 410.652805] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 410.657836] ? zap_class+0x640/0x640 [ 410.661555] ? enqueue_hrtimer+0x1a5/0x560 [ 410.665789] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 410.670982] ? find_held_lock+0x36/0x1c0 [ 410.675049] ? zap_class+0x640/0x640 [ 410.678767] ? pvclock_read_flags+0x160/0x160 [ 410.683274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.688816] ? check_preemption_disabled+0x48/0x280 [ 410.693844] ? __lock_is_held+0xb5/0x140 [ 410.697908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.703459] ? check_preemption_disabled+0x48/0x280 [ 410.708481] run_timer_softirq+0x52/0xb0 [ 410.712544] ? rcu_read_lock_sched_held+0x14f/0x180 [ 410.717572] __do_softirq+0x308/0xb7e [ 410.721375] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 410.725887] ? lock_downgrade+0x900/0x900 [ 410.730049] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 410.735157] ? pvclock_read_flags+0x160/0x160 [ 410.739681] ? lapic_next_event+0x5a/0x90 [ 410.743829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.749374] ? kvm_clock_read+0x18/0x30 [ 410.753345] ? kvm_sched_clock_read+0x9/0x20 [ 410.757763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.763296] ? check_preemption_disabled+0x48/0x280 [ 410.768318] irq_exit+0x17f/0x1c0 [ 410.771767] smp_apic_timer_interrupt+0x1cb/0x760 [ 410.776609] ? smp_reschedule_interrupt+0x109/0x650 [ 410.781624] ? smp_call_function_single_interrupt+0x650/0x650 [ 410.787504] ? interrupt_entry+0xb5/0xc0 [ 410.791563] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.796573] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.801618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.806458] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.811469] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.816481] ? task_prio+0x50/0x50 [ 410.820018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.825570] ? check_preemption_disabled+0x48/0x280 [ 410.830620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.835468] apic_timer_interrupt+0xf/0x20 [ 410.839707] [ 410.841946] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 410.847841] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 410.866753] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 410.874460] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 410.881722] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 410.888986] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 410.896251] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 410.903532] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 410.910826] ? save_stack+0xa9/0xd0 [ 410.914468] __kmalloc_node_track_caller+0x3c/0x70 [ 410.919404] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 410.924164] pskb_expand_head+0x230/0x10f0 [ 410.928451] ? check_preemption_disabled+0x48/0x280 [ 410.933472] ? memcpy+0x45/0x50 [ 410.936772] ? __copy_skb_header+0x350/0x6b0 [ 410.941208] ? skb_release_data+0x880/0x880 [ 410.945535] ? __alloc_skb+0x770/0x770 [ 410.949432] ? __lock_is_held+0xb5/0x140 [ 410.953501] ? kasan_check_write+0x14/0x20 [ 410.957733] ? __skb_clone+0x6c7/0xa00 [ 410.961638] ? __copy_skb_header+0x6b0/0x6b0 [ 410.966048] ? kmem_cache_alloc+0x33a/0x730 [ 410.970375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.975948] skb_ensure_writable+0x3dd/0x640 [ 410.980365] ? skb_checksum_setup+0xaa0/0xaa0 [ 410.984865] ? preempt_notifier_register+0x200/0x200 [ 410.989969] ? __switch_to_asm+0x34/0x70 [ 410.994046] ? __switch_to_asm+0x34/0x70 [ 410.998103] ? __switch_to_asm+0x40/0x70 [ 411.002165] ? __switch_to_asm+0x34/0x70 [ 411.006252] ? __switch_to_asm+0x40/0x70 [ 411.010313] ? __switch_to_asm+0x40/0x70 [ 411.014370] ? __switch_to_asm+0x34/0x70 [ 411.018431] ? __switch_to_asm+0x34/0x70 [ 411.022487] ? __switch_to_asm+0x40/0x70 [ 411.026544] ? __switch_to_asm+0x34/0x70 [ 411.030629] bpf_clone_redirect+0x14a/0x490 [ 411.034964] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 411.039986] ? __sched_text_start+0x8/0x8 [ 411.044130] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 411.048897] ? find_held_lock+0x36/0x1c0 [ 411.052969] ? lock_acquire+0x1ed/0x520 [ 411.056948] ? bpf_test_run+0x3cb/0x780 [ 411.060925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.066464] ? check_preemption_disabled+0x48/0x280 [ 411.071500] ? kasan_check_read+0x11/0x20 [ 411.075657] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.080947] ? rcu_softirq_qs+0x20/0x20 [ 411.084922] ? preempt_schedule+0x4d/0x60 [ 411.089068] ? ___preempt_schedule+0x16/0x18 [ 411.093480] ? bpf_test_run+0x25d/0x780 [ 411.097464] ? netlink_diag_dump+0x2a0/0x2a0 [ 411.101873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.107408] ? bpf_test_init.isra.10+0x70/0x100 [ 411.112083] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 411.116877] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 411.121727] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 411.127261] ? fput+0x130/0x1a0 [ 411.130556] ? __bpf_prog_get+0x9b/0x290 [ 411.134639] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 411.139481] ? bpf_prog_test_run+0x130/0x1a0 [ 411.143923] ? __x64_sys_bpf+0x3db/0x520 [ 411.147982] ? bpf_prog_get+0x20/0x20 [ 411.151820] ? do_syscall_64+0x1b9/0x820 [ 411.155880] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 411.161245] ? syscall_return_slowpath+0x5e0/0x5e0 [ 411.166194] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.171219] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 411.176242] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 411.182904] ? __switch_to_asm+0x40/0x70 [ 411.186965] ? __switch_to_asm+0x34/0x70 [ 411.191027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.195874] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.201254] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 411.201324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 411.208188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.208193] Call Trace: [ 411.208210] dump_stack+0x244/0x39d [ 411.208228] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.208252] warn_alloc.cold.116+0xb7/0x1bd [ 411.215236] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.224495] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.227057] syz-executor2 cpuset=syz2 mems_allowed=0 [ 411.230675] ? lock_downgrade+0x900/0x900 [ 411.264731] ? trace_hardirqs_off+0xb8/0x310 [ 411.269145] ? trace_hardirqs_off+0xb8/0x310 [ 411.273562] __alloc_pages_slowpath+0x26e8/0x2e10 [ 411.278430] ? warn_alloc+0x120/0x120 [ 411.282246] ? warn_alloc+0x120/0x120 [ 411.286064] ? warn_alloc+0x120/0x120 [ 411.289862] ? print_usage_bug+0xc0/0xc0 [ 411.293931] ? print_usage_bug+0xc0/0xc0 [ 411.298003] ? __bfs+0x321/0x780 [ 411.301377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.306911] ? should_fail+0x22d/0xd01 [ 411.310803] ? __lock_acquire+0x62f/0x4c20 [ 411.315088] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.320199] ? __lock_acquire+0x62f/0x4c20 [ 411.324439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.329559] ? __lock_acquire+0x62f/0x4c20 [ 411.333795] ? should_fail+0x22d/0xd01 [ 411.337699] ? mark_held_locks+0x130/0x130 [ 411.341939] ? mark_held_locks+0x130/0x130 [ 411.346662] ? mark_held_locks+0x130/0x130 [ 411.350899] ? zap_class+0x640/0x640 [ 411.354609] ? print_usage_bug+0xc0/0xc0 [ 411.358672] ? mark_held_locks+0x130/0x130 [ 411.362910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.368447] ? check_preemption_disabled+0x48/0x280 [ 411.373471] ? __lock_is_held+0xb5/0x140 [ 411.377541] __alloc_pages_nodemask+0xa80/0xde0 [ 411.382213] ? zap_class+0x640/0x640 [ 411.385935] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 411.390962] ? find_held_lock+0x36/0x1c0 [ 411.395041] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.399711] ? lock_downgrade+0x900/0x900 [ 411.403879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.409418] cache_grow_begin+0xa5/0x8c0 [ 411.413478] ? do_raw_spin_unlock+0xa7/0x330 [ 411.417892] fallback_alloc+0x204/0x2e0 [ 411.421874] ____cache_alloc_node+0x1c7/0x1e0 [ 411.426380] kmem_cache_alloc_node+0xe3/0x730 [ 411.430876] ? ipv6_get_ifaddr+0x42e/0x620 [ 411.435122] __alloc_skb+0x119/0x770 [ 411.438837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.444119] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.448528] ? lock_downgrade+0x900/0x900 [ 411.452692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.458229] ? refcount_sub_and_test_checked+0x203/0x310 [ 411.463689] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 411.469153] ? addrconf_rs_timer+0x690/0x690 [ 411.473594] ndisc_alloc_skb+0x144/0x340 [ 411.477656] ndisc_send_rs+0x331/0x6e0 [ 411.481583] addrconf_rs_timer+0x314/0x690 [ 411.485821] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.490082] call_timer_fn+0x272/0x920 [ 411.493981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.498214] ? process_timeout+0x40/0x40 [ 411.502279] ? __run_timers+0x7da/0xc70 [ 411.506255] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.510765] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.515256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.519508] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.524103] ? trace_hardirqs_on+0xbd/0x310 [ 411.528427] ? kasan_check_read+0x11/0x20 [ 411.532601] ? __run_timers+0x7da/0xc70 [ 411.536609] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.541747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.545978] __run_timers+0x7e5/0xc70 [ 411.549788] ? timer_fixup_init+0x70/0x70 [ 411.553949] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.558447] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.562946] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 411.567530] ? trace_hardirqs_on+0xbd/0x310 [ 411.571856] ? kasan_check_read+0x11/0x20 [ 411.576003] ? finish_task_switch+0x1f4/0x910 [ 411.580498] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.585597] ? compat_start_thread+0x80/0x80 [ 411.590025] ? pvclock_read_flags+0x160/0x160 [ 411.594516] ? __switch_to_asm+0x34/0x70 [ 411.598582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.604121] ? check_preemption_disabled+0x48/0x280 [ 411.609224] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 411.614806] ? rcu_pm_notify+0xc0/0xc0 [ 411.618703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.624242] ? check_preemption_disabled+0x48/0x280 [ 411.629263] run_timer_softirq+0x52/0xb0 [ 411.633323] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.638338] __do_softirq+0x308/0xb7e [ 411.642149] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.647260] ? smpboot_thread_fn+0x334/0xa00 [ 411.651673] ? schedule+0x108/0x460 [ 411.655331] ? trace_hardirqs_off+0xb8/0x310 [ 411.659745] ? smpboot_thread_fn+0x68b/0xa00 [ 411.664162] ? trace_hardirqs_on+0x310/0x310 [ 411.668612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.674149] ? check_preemption_disabled+0x48/0x280 [ 411.679185] ? takeover_tasklets+0xa90/0xa90 [ 411.683598] run_ksoftirqd+0x5e/0x100 [ 411.687425] smpboot_thread_fn+0x68b/0xa00 [ 411.691683] ? sort_range+0x30/0x30 [ 411.695316] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.700422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.705962] ? __kthread_parkme+0xfb/0x1a0 [ 411.710204] ? sort_range+0x30/0x30 [ 411.713833] kthread+0x35a/0x440 [ 411.717209] ? kthread_stop+0x900/0x900 [ 411.721191] ret_from_fork+0x3a/0x50 [ 411.724928] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 411.724933] warn_alloc_show_mem: 1 callbacks suppressed [ 411.724941] Mem-Info: [ 411.732293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.737676] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 411.737676] active_file:15 inactive_file:12 isolated_file:0 [ 411.737676] unevictable:0 dirty:0 writeback:0 unstable:0 [ 411.737676] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 411.737676] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 411.737676] free:13769 free_pcp:294 free_cma:0 [ 411.740050] Call Trace: [ 411.749437] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 411.782554] [ 411.785120] 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 [ 411.812959] dump_stack+0x244/0x39d [ 411.815085] lowmem_reserve[]: 0 2818 6321 6321 [ 411.841197] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.844796] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 411.849385] warn_alloc.cold.116+0xb7/0x1bd [ 411.854542] lowmem_reserve[]: 0 0 3503 3503 [ 411.881949] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.886242] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 411.890555] ? lock_downgrade+0x900/0x900 [ 411.895370] lowmem_reserve[]: 0 0 0 0 [ 411.924430] ? trace_hardirqs_off+0xb8/0x310 [ 411.928550] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 411.932345] ? trace_hardirqs_off+0xb8/0x310 [ 411.936727] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 411.950247] __alloc_pages_slowpath+0x26e8/0x2e10 [ 411.954628] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 411.970166] ? warn_alloc+0x120/0x120 [ 411.974967] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 411.989692] ? print_usage_bug+0xc0/0xc0 [ 411.993480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 412.002303] ? warn_alloc+0x120/0x120 [ 412.006344] 12557 total pagecache pages [ 412.014921] ? warn_alloc+0x120/0x120 [ 412.018702] 0 pages in swap cache [ 412.022658] ? print_usage_bug+0xc0/0xc0 [ 412.026438] Swap cache stats: add 0, delete 0, find 0/0 [ 412.029884] ? kvm_clock_read+0x18/0x30 [ 412.033918] Free swap = 0kB [ 412.039272] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.043236] Total swap = 0kB [ 412.046258] ? print_usage_bug+0xc0/0xc0 [ 412.051248] 1965979 pages RAM [ 412.054260] ? __lock_acquire+0x62f/0x4c20 [ 412.058298] 0 pages HighMem/MovableOnly [ 412.061401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.065612] 342853 pages reserved [ 412.069595] ? should_fail+0x22d/0xd01 [ 412.075103] 0 pages cma reserved [ 412.078570] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.082491] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.085806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.091109] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.097545] ? __lock_acquire+0x62f/0x4c20 [ 412.102627] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 412.112934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.126930] ? __lock_acquire+0x62f/0x4c20 [ 412.131161] ? should_fail+0x22d/0xd01 [ 412.135058] ? rcu_irq_exit+0x1a2/0x390 [ 412.139053] ? mark_held_locks+0x130/0x130 [ 412.143297] ? mark_held_locks+0x130/0x130 [ 412.147541] ? mark_held_locks+0xc7/0x130 [ 412.151686] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 412.156699] ? zap_class+0x640/0x640 [ 412.160415] ? print_usage_bug+0xc0/0xc0 [ 412.164483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.170020] ? check_preemption_disabled+0x48/0x280 [ 412.175044] ? __lock_is_held+0xb5/0x140 [ 412.179111] __alloc_pages_nodemask+0xa80/0xde0 [ 412.183782] ? zap_class+0x640/0x640 [ 412.187503] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 412.192579] ? find_held_lock+0x36/0x1c0 [ 412.196652] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.201355] ? lock_downgrade+0x900/0x900 [ 412.205513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.211526] cache_grow_begin+0xa5/0x8c0 [ 412.215598] ? do_raw_spin_unlock+0xa7/0x330 [ 412.220014] fallback_alloc+0x204/0x2e0 [ 412.223995] ____cache_alloc_node+0x1c7/0x1e0 [ 412.228518] kmem_cache_alloc_node+0xe3/0x730 [ 412.233010] ? ipv6_get_ifaddr+0x42e/0x620 [ 412.237277] __alloc_skb+0x119/0x770 [ 412.240990] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.246274] ? netdev_alloc_frag+0x1f0/0x1f0 [ 412.250682] ? lock_downgrade+0x900/0x900 [ 412.254854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.260417] ? refcount_sub_and_test_checked+0x203/0x310 [ 412.265887] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 412.271338] ? addrconf_rs_timer+0x690/0x690 [ 412.275761] ndisc_alloc_skb+0x144/0x340 [ 412.279830] ndisc_send_rs+0x331/0x6e0 [ 412.283720] addrconf_rs_timer+0x314/0x690 [ 412.287958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.292262] call_timer_fn+0x272/0x920 [ 412.296146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.300390] ? process_timeout+0x40/0x40 [ 412.304472] ? __run_timers+0x7da/0xc70 [ 412.308465] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.312973] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.317483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.321720] ? lockdep_hardirqs_on+0x296/0x5b0 [ 412.326307] ? trace_hardirqs_on+0xbd/0x310 [ 412.330627] ? kasan_check_read+0x11/0x20 [ 412.334776] ? __run_timers+0x7da/0xc70 [ 412.338755] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.343863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.348117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.352347] __run_timers+0x7e5/0xc70 [ 412.356159] ? timer_fixup_init+0x70/0x70 [ 412.360317] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 412.365339] ? zap_class+0x640/0x640 [ 412.369055] ? enqueue_hrtimer+0x1a5/0x560 [ 412.373293] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 412.378491] ? find_held_lock+0x36/0x1c0 [ 412.382589] ? zap_class+0x640/0x640 [ 412.386312] ? pvclock_read_flags+0x160/0x160 [ 412.390813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.396364] ? check_preemption_disabled+0x48/0x280 [ 412.401404] ? __lock_is_held+0xb5/0x140 [ 412.405479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.411019] ? check_preemption_disabled+0x48/0x280 [ 412.416037] run_timer_softirq+0x52/0xb0 [ 412.420097] ? rcu_read_lock_sched_held+0x14f/0x180 [ 412.425112] __do_softirq+0x308/0xb7e [ 412.428917] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 412.433409] ? lock_downgrade+0x900/0x900 [ 412.437581] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 412.442690] ? pvclock_read_flags+0x160/0x160 [ 412.447201] ? lapic_next_event+0x5a/0x90 [ 412.451369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.456920] ? kvm_clock_read+0x18/0x30 [ 412.460892] ? kvm_sched_clock_read+0x9/0x20 [ 412.465305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.470844] ? check_preemption_disabled+0x48/0x280 [ 412.475869] irq_exit+0x17f/0x1c0 [ 412.479341] smp_apic_timer_interrupt+0x1cb/0x760 [ 412.484202] ? smp_reschedule_interrupt+0x109/0x650 [ 412.489222] ? smp_call_function_single_interrupt+0x650/0x650 [ 412.495107] ? interrupt_entry+0xb5/0xc0 [ 412.499170] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.504221] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.509244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.514086] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.519120] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.524135] ? task_prio+0x50/0x50 [ 412.527674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.533232] ? check_preemption_disabled+0x48/0x280 [ 412.538254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.543106] apic_timer_interrupt+0xf/0x20 [ 412.547349] [ 412.549619] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 412.555519] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 412.574416] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 412.582121] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 412.589386] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 412.596651] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 412.603934] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 412.611205] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 412.618531] ? save_stack+0xa9/0xd0 [ 412.622171] __kmalloc_node_track_caller+0x3c/0x70 [ 412.627115] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 412.631879] pskb_expand_head+0x230/0x10f0 [ 412.636126] ? check_preemption_disabled+0x48/0x280 [ 412.641189] ? memcpy+0x45/0x50 [ 412.644475] ? __copy_skb_header+0x350/0x6b0 [ 412.648900] ? skb_release_data+0x880/0x880 [ 412.653236] ? __alloc_skb+0x770/0x770 [ 412.657137] ? __lock_is_held+0xb5/0x140 [ 412.661218] ? kasan_check_write+0x14/0x20 [ 412.665453] ? __skb_clone+0x6c7/0xa00 [ 412.669347] ? __copy_skb_header+0x6b0/0x6b0 [ 412.673753] ? kmem_cache_alloc+0x33a/0x730 [ 412.678076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.683625] skb_ensure_writable+0x3dd/0x640 [ 412.688039] ? skb_checksum_setup+0xaa0/0xaa0 [ 412.692536] ? preempt_notifier_register+0x200/0x200 [ 412.697644] ? __switch_to_asm+0x34/0x70 [ 412.701704] ? __switch_to_asm+0x34/0x70 [ 412.705767] ? __switch_to_asm+0x40/0x70 [ 412.709862] ? __switch_to_asm+0x34/0x70 [ 412.713922] ? __switch_to_asm+0x40/0x70 [ 412.717979] ? __switch_to_asm+0x40/0x70 [ 412.722039] ? __switch_to_asm+0x34/0x70 [ 412.726111] ? __switch_to_asm+0x34/0x70 [ 412.730213] ? __switch_to_asm+0x40/0x70 [ 412.734274] ? __switch_to_asm+0x34/0x70 [ 412.738345] bpf_clone_redirect+0x14a/0x490 [ 412.742675] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 412.747730] ? __sched_text_start+0x8/0x8 [ 412.751893] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 412.756661] ? find_held_lock+0x36/0x1c0 [ 412.760734] ? lock_acquire+0x1ed/0x520 [ 412.764726] ? bpf_test_run+0x3cb/0x780 [ 412.768719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.774256] ? check_preemption_disabled+0x48/0x280 [ 412.779276] ? kasan_check_read+0x11/0x20 [ 412.783428] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.788702] ? rcu_softirq_qs+0x20/0x20 [ 412.792679] ? preempt_schedule+0x4d/0x60 [ 412.796828] ? ___preempt_schedule+0x16/0x18 [ 412.801241] ? bpf_test_run+0x25d/0x780 [ 412.805234] ? netlink_diag_dump+0x2a0/0x2a0 [ 412.809644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.815191] ? bpf_test_init.isra.10+0x70/0x100 [ 412.819868] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 412.824633] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 412.829478] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 412.835014] ? fput+0x130/0x1a0 [ 412.838298] ? __bpf_prog_get+0x9b/0x290 [ 412.842365] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 412.847215] ? bpf_prog_test_run+0x130/0x1a0 [ 412.851626] ? __x64_sys_bpf+0x3db/0x520 [ 412.855686] ? bpf_prog_get+0x20/0x20 [ 412.859509] ? do_syscall_64+0x1b9/0x820 [ 412.863585] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 412.868967] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.873898] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.878931] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 412.883952] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 412.890644] ? __switch_to_asm+0x40/0x70 [ 412.894751] ? __switch_to_asm+0x34/0x70 [ 412.898819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.903668] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.909059] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 412.909128] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.915983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.915988] Call Trace: [ 412.916005] dump_stack+0x244/0x39d [ 412.916028] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.922581] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.931856] warn_alloc.cold.116+0xb7/0x1bd [ 412.934408] syz-executor2 cpuset=syz2 mems_allowed=0 [ 412.938049] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.967907] ? lock_downgrade+0x900/0x900 [ 412.972061] ? trace_hardirqs_off+0xb8/0x310 [ 412.976474] ? trace_hardirqs_off+0xb8/0x310 [ 412.980899] __alloc_pages_slowpath+0x26e8/0x2e10 [ 412.985799] ? warn_alloc+0x120/0x120 [ 412.989604] ? print_usage_bug+0xc0/0xc0 [ 412.993667] ? warn_alloc+0x120/0x120 [ 412.997496] ? warn_alloc+0x120/0x120 [ 413.001298] ? print_usage_bug+0xc0/0xc0 [ 413.005364] ? print_usage_bug+0xc0/0xc0 [ 413.009432] ? __lock_acquire+0x62f/0x4c20 [ 413.013695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.019253] ? should_fail+0x22d/0xd01 [ 413.023147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.028260] ? __lock_acquire+0x62f/0x4c20 [ 413.032504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.037610] ? __lock_acquire+0x62f/0x4c20 [ 413.041847] ? should_fail+0x22d/0xd01 [ 413.045729] ? find_held_lock+0x36/0x1c0 [ 413.049811] ? mark_held_locks+0x130/0x130 [ 413.054045] ? mark_held_locks+0x130/0x130 [ 413.058273] ? zap_class+0x640/0x640 [ 413.061986] ? zap_class+0x640/0x640 [ 413.065749] ? print_usage_bug+0xc0/0xc0 [ 413.069821] ? do_raw_spin_unlock+0xa7/0x330 [ 413.074244] ? zap_class+0x640/0x640 [ 413.077951] ? print_usage_bug+0xc0/0xc0 [ 413.082008] ? wq_watchdog_touch+0x9c/0xfe [ 413.086242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.091777] ? check_preemption_disabled+0x48/0x280 [ 413.096798] ? __lock_is_held+0xb5/0x140 [ 413.100866] __alloc_pages_nodemask+0xa80/0xde0 [ 413.105546] ? zap_class+0x640/0x640 [ 413.109265] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 413.114291] ? find_held_lock+0x36/0x1c0 [ 413.118364] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.123045] ? lock_downgrade+0x900/0x900 [ 413.127235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.132778] cache_grow_begin+0xa5/0x8c0 [ 413.136840] ? do_raw_spin_unlock+0xa7/0x330 [ 413.141257] fallback_alloc+0x204/0x2e0 [ 413.145240] ____cache_alloc_node+0x1c7/0x1e0 [ 413.149749] kmem_cache_alloc_node+0xe3/0x730 [ 413.154241] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.158483] __alloc_skb+0x119/0x770 [ 413.162197] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.167485] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.171937] ? lock_downgrade+0x900/0x900 [ 413.176122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.181675] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.187129] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.192578] ? addrconf_rs_timer+0x690/0x690 [ 413.196996] ndisc_alloc_skb+0x144/0x340 [ 413.201064] ndisc_send_rs+0x331/0x6e0 [ 413.204959] addrconf_rs_timer+0x314/0x690 [ 413.209208] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.213460] call_timer_fn+0x272/0x920 [ 413.217361] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.221593] ? process_timeout+0x40/0x40 [ 413.225658] ? __run_timers+0x7da/0xc70 [ 413.229638] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.234130] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.238623] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.242869] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.247446] ? trace_hardirqs_on+0xbd/0x310 [ 413.251763] ? kasan_check_read+0x11/0x20 [ 413.255919] ? __run_timers+0x7da/0xc70 [ 413.259907] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.265024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.269261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.273496] __run_timers+0x7e5/0xc70 [ 413.277332] ? timer_fixup_init+0x70/0x70 [ 413.281483] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.285991] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.290519] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 413.295119] ? trace_hardirqs_on+0xbd/0x310 [ 413.299453] ? kasan_check_read+0x11/0x20 [ 413.303607] ? finish_task_switch+0x1f4/0x910 [ 413.308110] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.313242] ? compat_start_thread+0x80/0x80 [ 413.317678] ? pvclock_read_flags+0x160/0x160 [ 413.322186] ? __switch_to_asm+0x34/0x70 [ 413.326248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.331785] ? check_preemption_disabled+0x48/0x280 [ 413.336842] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 413.342744] ? rcu_pm_notify+0xc0/0xc0 [ 413.346630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.352187] ? check_preemption_disabled+0x48/0x280 [ 413.357218] run_timer_softirq+0x52/0xb0 [ 413.361322] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.366370] __do_softirq+0x308/0xb7e [ 413.370187] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.375297] ? smpboot_thread_fn+0x334/0xa00 [ 413.379713] ? schedule+0x108/0x460 [ 413.383354] ? trace_hardirqs_off+0xb8/0x310 [ 413.387764] ? smpboot_thread_fn+0x68b/0xa00 [ 413.392171] ? trace_hardirqs_on+0x310/0x310 [ 413.396592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.402127] ? check_preemption_disabled+0x48/0x280 [ 413.407148] ? takeover_tasklets+0xa90/0xa90 [ 413.411563] run_ksoftirqd+0x5e/0x100 [ 413.415362] smpboot_thread_fn+0x68b/0xa00 [ 413.419603] ? sort_range+0x30/0x30 [ 413.423231] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 413.428338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.433876] ? __kthread_parkme+0xfb/0x1a0 [ 413.438114] ? sort_range+0x30/0x30 [ 413.441755] kthread+0x35a/0x440 [ 413.445122] ? kthread_stop+0x900/0x900 [ 413.449099] ret_from_fork+0x3a/0x50 [ 413.452828] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 413.452833] warn_alloc_show_mem: 1 callbacks suppressed [ 413.452840] Mem-Info: [ 413.460212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.465596] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 413.465596] active_file:15 inactive_file:12 isolated_file:0 [ 413.465596] unevictable:0 dirty:0 writeback:0 unstable:0 [ 413.465596] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 413.465596] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 413.465596] free:13769 free_pcp:294 free_cma:0 [ 413.467969] Call Trace: [ 413.477362] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 413.510464] [ 413.513047] 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 [ 413.540904] dump_stack+0x244/0x39d [ 413.543026] lowmem_reserve[]: 0 2818 6321 6321 [ 413.569134] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.572734] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 413.577316] warn_alloc.cold.116+0xb7/0x1bd [ 413.582476] lowmem_reserve[]: 0 0 3503 3503 [ 413.609894] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.614190] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 413.618530] ? lock_downgrade+0x900/0x900 [ 413.623343] lowmem_reserve[]: 0 0 0 0 [ 413.652414] ? trace_hardirqs_off+0xb8/0x310 [ 413.656547] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 413.660340] ? trace_hardirqs_off+0xb8/0x310 [ 413.664724] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 413.678245] __alloc_pages_slowpath+0x26e8/0x2e10 [ 413.682627] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 413.698156] ? warn_alloc+0x120/0x120 [ 413.702955] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 413.717702] ? print_usage_bug+0xc0/0xc0 [ 413.721480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 413.730314] ? warn_alloc+0x120/0x120 [ 413.734378] 12557 total pagecache pages [ 413.742944] ? warn_alloc+0x120/0x120 [ 413.746722] 0 pages in swap cache [ 413.750705] ? print_usage_bug+0xc0/0xc0 [ 413.754486] Swap cache stats: add 0, delete 0, find 0/0 [ 413.757924] ? kvm_clock_read+0x18/0x30 [ 413.761956] Free swap = 0kB [ 413.767307] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.771261] Total swap = 0kB [ 413.774271] ? print_usage_bug+0xc0/0xc0 [ 413.779260] 1965979 pages RAM [ 413.782271] ? __lock_acquire+0x62f/0x4c20 [ 413.786309] 0 pages HighMem/MovableOnly [ 413.789404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.793614] 342853 pages reserved [ 413.797579] ? should_fail+0x22d/0xd01 [ 413.803092] 0 pages cma reserved [ 413.806536] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.810488] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.813751] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.813766] ? __lock_acquire+0x62f/0x4c20 [ 413.813783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.819093] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.825522] ? __lock_acquire+0x62f/0x4c20 [ 413.830600] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 413.834841] ? should_fail+0x22d/0xd01 [ 413.862957] ? rcu_irq_exit+0x1a2/0x390 [ 413.866941] ? mark_held_locks+0x130/0x130 [ 413.871196] ? mark_held_locks+0x130/0x130 [ 413.875443] ? mark_held_locks+0xc7/0x130 [ 413.879604] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 413.884621] ? zap_class+0x640/0x640 [ 413.888338] ? print_usage_bug+0xc0/0xc0 [ 413.892413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.897955] ? check_preemption_disabled+0x48/0x280 [ 413.902981] ? __lock_is_held+0xb5/0x140 [ 413.907064] __alloc_pages_nodemask+0xa80/0xde0 [ 413.911733] ? zap_class+0x640/0x640 [ 413.915456] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 413.920485] ? find_held_lock+0x36/0x1c0 [ 413.924555] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.929230] ? lock_downgrade+0x900/0x900 [ 413.933386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.938932] cache_grow_begin+0xa5/0x8c0 [ 413.942995] ? do_raw_spin_unlock+0xa7/0x330 [ 413.947415] fallback_alloc+0x204/0x2e0 [ 413.951402] ____cache_alloc_node+0x1c7/0x1e0 [ 413.955902] kmem_cache_alloc_node+0xe3/0x730 [ 413.960396] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.964641] __alloc_skb+0x119/0x770 [ 413.968352] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.973634] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.978040] ? lock_downgrade+0x900/0x900 [ 413.982209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.987752] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.993219] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.998679] ? addrconf_rs_timer+0x690/0x690 [ 414.003101] ndisc_alloc_skb+0x144/0x340 [ 414.007166] ndisc_send_rs+0x331/0x6e0 [ 414.011072] addrconf_rs_timer+0x314/0x690 [ 414.015318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.019563] call_timer_fn+0x272/0x920 [ 414.023454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.027688] ? process_timeout+0x40/0x40 [ 414.031757] ? __run_timers+0x7da/0xc70 [ 414.035730] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.040221] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.044726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.048964] ? lockdep_hardirqs_on+0x296/0x5b0 [ 414.053550] ? trace_hardirqs_on+0xbd/0x310 [ 414.057872] ? kasan_check_read+0x11/0x20 [ 414.062018] ? __run_timers+0x7da/0xc70 [ 414.065996] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.071106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.075352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.079588] __run_timers+0x7e5/0xc70 [ 414.083398] ? timer_fixup_init+0x70/0x70 [ 414.087551] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 414.092569] ? zap_class+0x640/0x640 [ 414.096291] ? enqueue_hrtimer+0x1a5/0x560 [ 414.100531] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 414.105731] ? find_held_lock+0x36/0x1c0 [ 414.109799] ? zap_class+0x640/0x640 [ 414.113517] ? pvclock_read_flags+0x160/0x160 [ 414.118019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.123557] ? check_preemption_disabled+0x48/0x280 [ 414.128583] ? __lock_is_held+0xb5/0x140 [ 414.132650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.138205] ? check_preemption_disabled+0x48/0x280 [ 414.143230] run_timer_softirq+0x52/0xb0 [ 414.147295] ? rcu_read_lock_sched_held+0x14f/0x180 [ 414.152315] __do_softirq+0x308/0xb7e [ 414.156122] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 414.160616] ? lock_downgrade+0x900/0x900 [ 414.164768] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 414.169880] ? pvclock_read_flags+0x160/0x160 [ 414.174380] ? lapic_next_event+0x5a/0x90 [ 414.178534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.184077] ? kvm_clock_read+0x18/0x30 [ 414.188058] ? kvm_sched_clock_read+0x9/0x20 [ 414.192468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.198025] ? check_preemption_disabled+0x48/0x280 [ 414.203055] irq_exit+0x17f/0x1c0 [ 414.206514] smp_apic_timer_interrupt+0x1cb/0x760 [ 414.211852] ? smp_reschedule_interrupt+0x109/0x650 [ 414.216873] ? smp_call_function_single_interrupt+0x650/0x650 [ 414.222759] ? interrupt_entry+0xb5/0xc0 [ 414.226828] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.231849] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.236871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.241730] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.246773] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.251803] ? task_prio+0x50/0x50 [ 414.255350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.260889] ? check_preemption_disabled+0x48/0x280 [ 414.265914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.270769] apic_timer_interrupt+0xf/0x20 [ 414.274996] [ 414.277242] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 414.283126] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 414.302027] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 414.309731] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 414.317008] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 414.324302] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 414.331566] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 414.339741] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 414.347042] ? save_stack+0xa9/0xd0 [ 414.350684] __kmalloc_node_track_caller+0x3c/0x70 [ 414.355619] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 414.360399] pskb_expand_head+0x230/0x10f0 [ 414.364632] ? check_preemption_disabled+0x48/0x280 [ 414.369651] ? memcpy+0x45/0x50 [ 414.372952] ? __copy_skb_header+0x350/0x6b0 [ 414.377364] ? skb_release_data+0x880/0x880 [ 414.381735] ? __alloc_skb+0x770/0x770 [ 414.385631] ? __lock_is_held+0xb5/0x140 [ 414.389712] ? kasan_check_write+0x14/0x20 [ 414.393942] ? __skb_clone+0x6c7/0xa00 [ 414.397835] ? __copy_skb_header+0x6b0/0x6b0 [ 414.402239] ? kmem_cache_alloc+0x33a/0x730 [ 414.406563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.412105] skb_ensure_writable+0x3dd/0x640 [ 414.416515] ? skb_checksum_setup+0xaa0/0xaa0 [ 414.421016] ? preempt_notifier_register+0x200/0x200 [ 414.426113] ? __switch_to_asm+0x34/0x70 [ 414.430183] ? __switch_to_asm+0x34/0x70 [ 414.434246] ? __switch_to_asm+0x40/0x70 [ 414.438303] ? __switch_to_asm+0x34/0x70 [ 414.442358] ? __switch_to_asm+0x40/0x70 [ 414.446449] ? __switch_to_asm+0x40/0x70 [ 414.450536] ? __switch_to_asm+0x34/0x70 [ 414.454612] ? __switch_to_asm+0x34/0x70 [ 414.458667] ? __switch_to_asm+0x40/0x70 [ 414.462729] ? __switch_to_asm+0x34/0x70 [ 414.466793] bpf_clone_redirect+0x14a/0x490 [ 414.471121] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 414.476137] ? __sched_text_start+0x8/0x8 [ 414.480285] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 414.485053] ? find_held_lock+0x36/0x1c0 [ 414.489127] ? lock_acquire+0x1ed/0x520 [ 414.493134] ? bpf_test_run+0x3cb/0x780 [ 414.497112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.502649] ? check_preemption_disabled+0x48/0x280 [ 414.507672] ? kasan_check_read+0x11/0x20 [ 414.511819] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.517093] ? rcu_softirq_qs+0x20/0x20 [ 414.521088] ? preempt_schedule+0x4d/0x60 [ 414.525233] ? ___preempt_schedule+0x16/0x18 [ 414.529663] ? bpf_test_run+0x25d/0x780 [ 414.533653] ? netlink_diag_dump+0x2a0/0x2a0 [ 414.538066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.543601] ? bpf_test_init.isra.10+0x70/0x100 [ 414.548274] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 414.553037] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 414.557879] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 414.563416] ? fput+0x130/0x1a0 [ 414.566696] ? __bpf_prog_get+0x9b/0x290 [ 414.570775] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 414.575615] ? bpf_prog_test_run+0x130/0x1a0 [ 414.580053] ? __x64_sys_bpf+0x3db/0x520 [ 414.584138] ? bpf_prog_get+0x20/0x20 [ 414.587989] ? do_syscall_64+0x1b9/0x820 [ 414.592054] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 414.597427] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.602368] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.607385] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 414.612416] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 414.619111] ? __switch_to_asm+0x40/0x70 [ 414.623166] ? __switch_to_asm+0x34/0x70 [ 414.627243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.632101] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.637493] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 414.637576] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 414.644434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.644439] Call Trace: [ 414.644457] dump_stack+0x244/0x39d [ 414.644495] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.651015] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.660332] warn_alloc.cold.116+0xb7/0x1bd [ 414.662883] syz-executor2 cpuset=syz2 mems_allowed=0 [ 414.666518] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.696410] ? lock_downgrade+0x900/0x900 [ 414.700566] ? trace_hardirqs_off+0xb8/0x310 [ 414.704981] ? trace_hardirqs_off+0xb8/0x310 [ 414.709398] __alloc_pages_slowpath+0x26e8/0x2e10 [ 414.714275] ? warn_alloc+0x120/0x120 [ 414.718078] ? print_usage_bug+0xc0/0xc0 [ 414.722140] ? warn_alloc+0x120/0x120 [ 414.725944] ? warn_alloc+0x120/0x120 [ 414.729746] ? print_usage_bug+0xc0/0xc0 [ 414.733810] ? print_usage_bug+0xc0/0xc0 [ 414.737894] ? __lock_acquire+0x62f/0x4c20 [ 414.742162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.747710] ? should_fail+0x22d/0xd01 [ 414.751605] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.756718] ? __lock_acquire+0x62f/0x4c20 [ 414.760955] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.766057] ? __lock_acquire+0x62f/0x4c20 [ 414.770291] ? should_fail+0x22d/0xd01 [ 414.774189] ? find_held_lock+0x36/0x1c0 [ 414.778274] ? mark_held_locks+0x130/0x130 [ 414.782513] ? mark_held_locks+0x130/0x130 [ 414.786744] ? zap_class+0x640/0x640 [ 414.790470] ? zap_class+0x640/0x640 [ 414.794191] ? print_usage_bug+0xc0/0xc0 [ 414.798251] ? do_raw_spin_unlock+0xa7/0x330 [ 414.802661] ? zap_class+0x640/0x640 [ 414.806384] ? print_usage_bug+0xc0/0xc0 [ 414.810444] ? wq_watchdog_touch+0x9c/0xfe [ 414.814703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.820247] ? check_preemption_disabled+0x48/0x280 [ 414.825276] ? __lock_is_held+0xb5/0x140 [ 414.829345] __alloc_pages_nodemask+0xa80/0xde0 [ 414.834013] ? zap_class+0x640/0x640 [ 414.837738] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 414.842771] ? find_held_lock+0x36/0x1c0 [ 414.846840] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.851509] ? lock_downgrade+0x900/0x900 [ 414.855668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.861223] cache_grow_begin+0xa5/0x8c0 [ 414.865287] ? do_raw_spin_unlock+0xa7/0x330 [ 414.869710] fallback_alloc+0x204/0x2e0 [ 414.873697] ____cache_alloc_node+0x1c7/0x1e0 [ 414.878209] kmem_cache_alloc_node+0xe3/0x730 [ 414.882709] ? ipv6_get_ifaddr+0x42e/0x620 [ 414.886969] __alloc_skb+0x119/0x770 [ 414.890685] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.896000] ? netdev_alloc_frag+0x1f0/0x1f0 [ 414.900498] ? lock_downgrade+0x900/0x900 [ 414.904675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.910217] ? refcount_sub_and_test_checked+0x203/0x310 [ 414.915670] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 414.921130] ? addrconf_rs_timer+0x690/0x690 [ 414.925551] ndisc_alloc_skb+0x144/0x340 [ 414.929617] ndisc_send_rs+0x331/0x6e0 [ 414.933514] addrconf_rs_timer+0x314/0x690 [ 414.937775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.942024] call_timer_fn+0x272/0x920 [ 414.945931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.950165] ? process_timeout+0x40/0x40 [ 414.954244] ? __run_timers+0x7da/0xc70 [ 414.958219] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.962713] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.967209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.971452] ? lockdep_hardirqs_on+0x296/0x5b0 [ 414.976040] ? trace_hardirqs_on+0xbd/0x310 [ 414.980362] ? kasan_check_read+0x11/0x20 [ 414.984514] ? __run_timers+0x7da/0xc70 [ 414.988490] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.993600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.997868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.002114] __run_timers+0x7e5/0xc70 [ 415.005953] ? timer_fixup_init+0x70/0x70 [ 415.010104] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.014601] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.019099] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 415.023682] ? trace_hardirqs_on+0xbd/0x310 [ 415.028025] ? kasan_check_read+0x11/0x20 [ 415.032199] ? finish_task_switch+0x1f4/0x910 [ 415.036701] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.041805] ? compat_start_thread+0x80/0x80 [ 415.046239] ? pvclock_read_flags+0x160/0x160 [ 415.050737] ? __switch_to_asm+0x34/0x70 [ 415.054800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.060338] ? check_preemption_disabled+0x48/0x280 [ 415.065367] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 415.070906] ? rcu_pm_notify+0xc0/0xc0 [ 415.074809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.080346] ? check_preemption_disabled+0x48/0x280 [ 415.085398] run_timer_softirq+0x52/0xb0 [ 415.089460] ? rcu_read_lock_sched_held+0x14f/0x180 [ 415.094474] __do_softirq+0x308/0xb7e [ 415.098286] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 415.103405] ? smpboot_thread_fn+0x334/0xa00 [ 415.107818] ? schedule+0x108/0x460 [ 415.111456] ? trace_hardirqs_off+0xb8/0x310 [ 415.115864] ? smpboot_thread_fn+0x68b/0xa00 [ 415.120269] ? trace_hardirqs_on+0x310/0x310 [ 415.124675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.130224] ? check_preemption_disabled+0x48/0x280 [ 415.135242] ? takeover_tasklets+0xa90/0xa90 [ 415.139653] run_ksoftirqd+0x5e/0x100 [ 415.143460] smpboot_thread_fn+0x68b/0xa00 [ 415.147705] ? sort_range+0x30/0x30 [ 415.151333] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.156438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.161976] ? __kthread_parkme+0xfb/0x1a0 [ 415.166243] ? sort_range+0x30/0x30 [ 415.169870] kthread+0x35a/0x440 [ 415.173243] ? kthread_stop+0x900/0x900 [ 415.177226] ret_from_fork+0x3a/0x50 [ 415.180965] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 415.180970] warn_alloc_show_mem: 1 callbacks suppressed [ 415.180978] Mem-Info: [ 415.188328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.193698] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 415.193698] active_file:15 inactive_file:12 isolated_file:0 [ 415.193698] unevictable:0 dirty:0 writeback:0 unstable:0 [ 415.193698] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 415.193698] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 415.193698] free:13769 free_pcp:294 free_cma:0 [ 415.196067] Call Trace: [ 415.205456] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 415.238555] [ 415.241120] 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 [ 415.268956] dump_stack+0x244/0x39d [ 415.271092] lowmem_reserve[]: 0 2818 6321 6321 [ 415.297230] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.300829] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 415.305407] warn_alloc.cold.116+0xb7/0x1bd [ 415.310562] lowmem_reserve[]: 0 0 3503 3503 [ 415.337965] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.342278] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 415.346594] ? lock_downgrade+0x900/0x900 [ 415.351415] lowmem_reserve[]: 0 0 0 0 [ 415.380477] ? trace_hardirqs_off+0xb8/0x310 [ 415.384599] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 415.388397] ? trace_hardirqs_off+0xb8/0x310 [ 415.392780] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 415.406303] __alloc_pages_slowpath+0x26e8/0x2e10 [ 415.410700] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 415.426239] ? warn_alloc+0x120/0x120 [ 415.431040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 415.445766] ? print_usage_bug+0xc0/0xc0 [ 415.449549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 415.458371] ? warn_alloc+0x120/0x120 [ 415.462406] 12557 total pagecache pages [ 415.470974] ? warn_alloc+0x120/0x120 [ 415.474758] 0 pages in swap cache [ 415.478720] ? print_usage_bug+0xc0/0xc0 [ 415.482495] Swap cache stats: add 0, delete 0, find 0/0 [ 415.485938] ? print_usage_bug+0xc0/0xc0 [ 415.489976] Free swap = 0kB [ 415.495330] ? __lock_acquire+0x62f/0x4c20 [ 415.499379] Total swap = 0kB [ 415.502395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.506618] 1965979 pages RAM [ 415.509628] ? should_fail+0x22d/0xd01 [ 415.515138] 0 pages HighMem/MovableOnly [ 415.518233] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.522094] 342853 pages reserved [ 415.526060] ? __lock_acquire+0x62f/0x4c20 [ 415.531139] 0 pages cma reserved [ 415.534600] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.538885] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.542186] ? __lock_acquire+0x62f/0x4c20 [ 415.542206] ? should_fail+0x22d/0xd01 [ 415.542222] ? find_held_lock+0x36/0x1c0 [ 415.547353] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.553790] ? mark_held_locks+0x130/0x130 [ 415.557997] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 415.561906] ? mark_held_locks+0x130/0x130 [ 415.589364] ? zap_class+0x640/0x640 [ 415.593076] ? zap_class+0x640/0x640 [ 415.596790] ? print_usage_bug+0xc0/0xc0 [ 415.600863] ? do_raw_spin_unlock+0xa7/0x330 [ 415.605272] ? zap_class+0x640/0x640 [ 415.608984] ? print_usage_bug+0xc0/0xc0 [ 415.613043] ? wq_watchdog_touch+0x9c/0xfe [ 415.617282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.622819] ? check_preemption_disabled+0x48/0x280 [ 415.627873] ? __lock_is_held+0xb5/0x140 [ 415.631954] __alloc_pages_nodemask+0xa80/0xde0 [ 415.636634] ? zap_class+0x640/0x640 [ 415.640365] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 415.645390] ? find_held_lock+0x36/0x1c0 [ 415.649462] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.654130] ? lock_downgrade+0x900/0x900 [ 415.658286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.663834] cache_grow_begin+0xa5/0x8c0 [ 415.667898] ? do_raw_spin_unlock+0xa7/0x330 [ 415.672313] fallback_alloc+0x204/0x2e0 [ 415.676298] ____cache_alloc_node+0x1c7/0x1e0 [ 415.680816] kmem_cache_alloc_node+0xe3/0x730 [ 415.685313] ? ipv6_get_ifaddr+0x42e/0x620 [ 415.689561] __alloc_skb+0x119/0x770 [ 415.693273] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.698550] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.702953] ? lock_downgrade+0x900/0x900 [ 415.707111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.712664] ? refcount_sub_and_test_checked+0x203/0x310 [ 415.718115] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 415.723567] ? addrconf_rs_timer+0x690/0x690 [ 415.727986] ndisc_alloc_skb+0x144/0x340 [ 415.732054] ndisc_send_rs+0x331/0x6e0 [ 415.735952] addrconf_rs_timer+0x314/0x690 [ 415.740206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.744454] call_timer_fn+0x272/0x920 [ 415.748351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.752589] ? process_timeout+0x40/0x40 [ 415.756672] ? __run_timers+0x7da/0xc70 [ 415.760665] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.765159] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.769685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.773918] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.778510] ? trace_hardirqs_on+0xbd/0x310 [ 415.782829] ? kasan_check_read+0x11/0x20 [ 415.786988] ? __run_timers+0x7da/0xc70 [ 415.790962] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.796066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.800305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.804541] __run_timers+0x7e5/0xc70 [ 415.808350] ? timer_fixup_init+0x70/0x70 [ 415.812504] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.817520] ? zap_class+0x640/0x640 [ 415.821241] ? enqueue_hrtimer+0x1a5/0x560 [ 415.825478] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.830676] ? find_held_lock+0x36/0x1c0 [ 415.834747] ? zap_class+0x640/0x640 [ 415.838464] ? pvclock_read_flags+0x160/0x160 [ 415.842961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.848504] ? check_preemption_disabled+0x48/0x280 [ 415.853529] ? __lock_is_held+0xb5/0x140 [ 415.857591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.863126] ? check_preemption_disabled+0x48/0x280 [ 415.868148] run_timer_softirq+0x52/0xb0 [ 415.872237] ? rcu_read_lock_sched_held+0x14f/0x180 [ 415.877261] __do_softirq+0x308/0xb7e [ 415.881069] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 415.885561] ? lock_downgrade+0x900/0x900 [ 415.889718] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 415.894832] ? pvclock_read_flags+0x160/0x160 [ 415.899343] ? lapic_next_event+0x5a/0x90 [ 415.903496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.909042] ? kvm_clock_read+0x18/0x30 [ 415.913011] ? kvm_sched_clock_read+0x9/0x20 [ 415.917435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.922975] ? check_preemption_disabled+0x48/0x280 [ 415.928002] irq_exit+0x17f/0x1c0 [ 415.931460] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.936305] ? smp_reschedule_interrupt+0x109/0x650 [ 415.941322] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.947218] ? interrupt_entry+0xb5/0xc0 [ 415.951280] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.956295] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.961316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.966158] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.971210] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.976245] ? task_prio+0x50/0x50 [ 415.979789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.985331] ? check_preemption_disabled+0x48/0x280 [ 415.990372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.995230] apic_timer_interrupt+0xf/0x20 [ 415.999460] [ 416.001698] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 416.007584] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 416.026497] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 416.034231] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 416.041497] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 416.048778] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 416.056046] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 416.063316] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 416.070613] ? save_stack+0xa9/0xd0 [ 416.074251] __kmalloc_node_track_caller+0x3c/0x70 [ 416.079196] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 416.083954] pskb_expand_head+0x230/0x10f0 [ 416.088199] ? check_preemption_disabled+0x48/0x280 [ 416.093225] ? memcpy+0x45/0x50 [ 416.096507] ? __copy_skb_header+0x350/0x6b0 [ 416.100917] ? skb_release_data+0x880/0x880 [ 416.105239] ? __alloc_skb+0x770/0x770 [ 416.109135] ? __lock_is_held+0xb5/0x140 [ 416.113217] ? kasan_check_write+0x14/0x20 [ 416.117455] ? __skb_clone+0x6c7/0xa00 [ 416.121344] ? __copy_skb_header+0x6b0/0x6b0 [ 416.125765] ? kmem_cache_alloc+0x33a/0x730 [ 416.130107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.135650] skb_ensure_writable+0x3dd/0x640 [ 416.140061] ? skb_checksum_setup+0xaa0/0xaa0 [ 416.144558] ? preempt_notifier_register+0x200/0x200 [ 416.149668] ? __switch_to_asm+0x34/0x70 [ 416.153729] ? __switch_to_asm+0x34/0x70 [ 416.157785] ? __switch_to_asm+0x40/0x70 [ 416.161843] ? __switch_to_asm+0x34/0x70 [ 416.165897] ? __switch_to_asm+0x40/0x70 [ 416.169957] ? __switch_to_asm+0x40/0x70 [ 416.174014] ? __switch_to_asm+0x34/0x70 [ 416.178094] ? __switch_to_asm+0x34/0x70 [ 416.182149] ? __switch_to_asm+0x40/0x70 [ 416.186241] ? __switch_to_asm+0x34/0x70 [ 416.190307] bpf_clone_redirect+0x14a/0x490 [ 416.194638] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 416.199662] ? __sched_text_start+0x8/0x8 [ 416.203809] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.208583] ? find_held_lock+0x36/0x1c0 [ 416.212983] ? lock_acquire+0x1ed/0x520 [ 416.216963] ? bpf_test_run+0x3cb/0x780 [ 416.220941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.226493] ? check_preemption_disabled+0x48/0x280 [ 416.231514] ? kasan_check_read+0x11/0x20 [ 416.235664] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.240940] ? rcu_softirq_qs+0x20/0x20 [ 416.244912] ? preempt_schedule+0x4d/0x60 [ 416.249058] ? ___preempt_schedule+0x16/0x18 [ 416.253508] ? bpf_test_run+0x25d/0x780 [ 416.257525] ? netlink_diag_dump+0x2a0/0x2a0 [ 416.261949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.267487] ? bpf_test_init.isra.10+0x70/0x100 [ 416.272163] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 416.276943] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 416.281798] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 416.287332] ? fput+0x130/0x1a0 [ 416.290627] ? __bpf_prog_get+0x9b/0x290 [ 416.294690] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 416.299531] ? bpf_prog_test_run+0x130/0x1a0 [ 416.303946] ? __x64_sys_bpf+0x3db/0x520 [ 416.308008] ? bpf_prog_get+0x20/0x20 [ 416.311841] ? do_syscall_64+0x1b9/0x820 [ 416.315903] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 416.321278] ? syscall_return_slowpath+0x5e0/0x5e0 [ 416.326220] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.331245] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 416.336271] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 416.342937] ? __switch_to_asm+0x40/0x70 [ 416.347013] ? __switch_to_asm+0x34/0x70 [ 416.351080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.355933] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.361316] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 416.361379] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 416.368242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.368247] Call Trace: [ 416.368265] dump_stack+0x244/0x39d [ 416.368284] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.368310] warn_alloc.cold.116+0xb7/0x1bd [ 416.375173] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.384154] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.384173] ? lock_downgrade+0x900/0x900 [ 416.386886] syz-executor2 cpuset=syz2 mems_allowed=0 [ 416.390514] ? trace_hardirqs_off+0xb8/0x310 [ 416.390535] ? trace_hardirqs_off+0xb8/0x310 [ 416.433452] __alloc_pages_slowpath+0x26e8/0x2e10 [ 416.438327] ? warn_alloc+0x120/0x120 [ 416.442129] ? print_usage_bug+0xc0/0xc0 [ 416.446201] ? warn_alloc+0x120/0x120 [ 416.450022] ? warn_alloc+0x120/0x120 [ 416.453825] ? print_usage_bug+0xc0/0xc0 [ 416.457890] ? print_usage_bug+0xc0/0xc0 [ 416.461955] ? __lock_acquire+0x62f/0x4c20 [ 416.466223] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.471779] ? should_fail+0x22d/0xd01 [ 416.475673] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.480785] ? __lock_acquire+0x62f/0x4c20 [ 416.485030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.490131] ? __lock_acquire+0x62f/0x4c20 [ 416.494365] ? should_fail+0x22d/0xd01 [ 416.498252] ? find_held_lock+0x36/0x1c0 [ 416.502340] ? mark_held_locks+0x130/0x130 [ 416.506595] ? mark_held_locks+0x130/0x130 [ 416.510842] ? zap_class+0x640/0x640 [ 416.514553] ? zap_class+0x640/0x640 [ 416.518265] ? print_usage_bug+0xc0/0xc0 [ 416.522322] ? do_raw_spin_unlock+0xa7/0x330 [ 416.526743] ? zap_class+0x640/0x640 [ 416.530472] ? print_usage_bug+0xc0/0xc0 [ 416.534536] ? wq_watchdog_touch+0x9c/0xfe [ 416.538810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.544350] ? check_preemption_disabled+0x48/0x280 [ 416.549377] ? __lock_is_held+0xb5/0x140 [ 416.553444] __alloc_pages_nodemask+0xa80/0xde0 [ 416.558111] ? zap_class+0x640/0x640 [ 416.561827] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 416.566871] ? find_held_lock+0x36/0x1c0 [ 416.570948] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.575622] ? lock_downgrade+0x900/0x900 [ 416.579783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.585326] cache_grow_begin+0xa5/0x8c0 [ 416.589386] ? do_raw_spin_unlock+0xa7/0x330 [ 416.593804] fallback_alloc+0x204/0x2e0 [ 416.597785] ____cache_alloc_node+0x1c7/0x1e0 [ 416.602282] kmem_cache_alloc_node+0xe3/0x730 [ 416.606782] ? ipv6_get_ifaddr+0x42e/0x620 [ 416.611031] __alloc_skb+0x119/0x770 [ 416.614742] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.620020] ? netdev_alloc_frag+0x1f0/0x1f0 [ 416.624423] ? lock_downgrade+0x900/0x900 [ 416.628589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.634127] ? refcount_sub_and_test_checked+0x203/0x310 [ 416.639583] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 416.645031] ? addrconf_rs_timer+0x690/0x690 [ 416.649449] ndisc_alloc_skb+0x144/0x340 [ 416.653514] ndisc_send_rs+0x331/0x6e0 [ 416.657423] addrconf_rs_timer+0x314/0x690 [ 416.661680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.665936] call_timer_fn+0x272/0x920 [ 416.669822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.674074] ? process_timeout+0x40/0x40 [ 416.678141] ? __run_timers+0x7da/0xc70 [ 416.682118] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.686609] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.691102] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.695338] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.699936] ? trace_hardirqs_on+0xbd/0x310 [ 416.704288] ? kasan_check_read+0x11/0x20 [ 416.708438] ? __run_timers+0x7da/0xc70 [ 416.712413] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.717537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.721777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.726012] __run_timers+0x7e5/0xc70 [ 416.729837] ? timer_fixup_init+0x70/0x70 [ 416.733982] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.738473] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.742969] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 416.747554] ? trace_hardirqs_on+0xbd/0x310 [ 416.751877] ? kasan_check_read+0x11/0x20 [ 416.756026] ? finish_task_switch+0x1f4/0x910 [ 416.760536] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.765640] ? compat_start_thread+0x80/0x80 [ 416.770072] ? pvclock_read_flags+0x160/0x160 [ 416.774562] ? __switch_to_asm+0x34/0x70 [ 416.778624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.784163] ? check_preemption_disabled+0x48/0x280 [ 416.789202] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 416.794745] ? rcu_pm_notify+0xc0/0xc0 [ 416.798635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.804184] ? check_preemption_disabled+0x48/0x280 [ 416.809218] run_timer_softirq+0x52/0xb0 [ 416.813285] ? rcu_read_lock_sched_held+0x14f/0x180 [ 416.818304] __do_softirq+0x308/0xb7e [ 416.822143] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 416.827251] ? smpboot_thread_fn+0x334/0xa00 [ 416.831670] ? schedule+0x108/0x460 [ 416.835317] ? trace_hardirqs_off+0xb8/0x310 [ 416.839729] ? smpboot_thread_fn+0x68b/0xa00 [ 416.844136] ? trace_hardirqs_on+0x310/0x310 [ 416.848543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.854084] ? check_preemption_disabled+0x48/0x280 [ 416.859103] ? takeover_tasklets+0xa90/0xa90 [ 416.863513] run_ksoftirqd+0x5e/0x100 [ 416.867314] smpboot_thread_fn+0x68b/0xa00 [ 416.871551] ? sort_range+0x30/0x30 [ 416.875188] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.880299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.885841] ? __kthread_parkme+0xfb/0x1a0 [ 416.890086] ? sort_range+0x30/0x30 [ 416.893720] kthread+0x35a/0x440 [ 416.897090] ? kthread_stop+0x900/0x900 [ 416.901069] ret_from_fork+0x3a/0x50 [ 416.904803] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 416.904808] warn_alloc_show_mem: 1 callbacks suppressed [ 416.904815] Mem-Info: [ 416.912194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.917563] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 416.917563] active_file:15 inactive_file:12 isolated_file:0 [ 416.917563] unevictable:0 dirty:0 writeback:0 unstable:0 [ 416.917563] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 416.917563] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 416.917563] free:13769 free_pcp:294 free_cma:0 [ 416.919932] Call Trace: [ 416.929321] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 416.962420] [ 416.965005] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 416.992842] dump_stack+0x244/0x39d [ 416.994967] lowmem_reserve[]: 0 2818 6321 6321 [ 417.021070] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.024670] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 417.029255] warn_alloc.cold.116+0xb7/0x1bd [ 417.034427] lowmem_reserve[]: 0 0 3503 3503 [ 417.061838] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.066132] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 417.070449] ? lock_downgrade+0x900/0x900 [ 417.075265] lowmem_reserve[]: 0 0 0 0 [ 417.104328] ? trace_hardirqs_off+0xb8/0x310 [ 417.108448] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 417.112266] ? trace_hardirqs_off+0xb8/0x310 [ 417.116646] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 417.130168] __alloc_pages_slowpath+0x26e8/0x2e10 [ 417.134572] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 417.150103] ? warn_alloc+0x120/0x120 [ 417.154909] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 417.169638] ? warn_alloc+0x120/0x120 [ 417.173419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 417.182258] ? print_bfs_bug+0x80/0x80 [ 417.186044] 12557 total pagecache pages [ 417.194612] ? warn_alloc+0x120/0x120 [ 417.198481] 0 pages in swap cache [ 417.202446] ? kasan_check_read+0x11/0x20 [ 417.206225] Swap cache stats: add 0, delete 0, find 0/0 [ 417.209669] ? print_usage_bug+0xc0/0xc0 [ 417.213795] Free swap = 0kB [ 417.219148] ? print_usage_bug+0xc0/0xc0 [ 417.223199] Total swap = 0kB [ 417.226229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.230261] 1965979 pages RAM [ 417.233290] ? should_fail+0x22d/0xd01 [ 417.238797] 0 pages HighMem/MovableOnly [ 417.241898] ? check_usage_forwards+0x3d0/0x3d0 [ 417.245760] 342853 pages reserved [ 417.249727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.254370] 0 pages cma reserved [ 417.257814] ? __lock_acquire+0x62f/0x4c20 [ 417.262988] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 417.266269] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.270535] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.276965] ? should_fail+0x22d/0xd01 [ 417.282043] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 417.292357] ? mark_held_locks+0x130/0x130 [ 417.305087] ? mark_held_locks+0x130/0x130 [ 417.309322] ? print_usage_bug+0xc0/0xc0 [ 417.313392] ? find_held_lock+0x36/0x1c0 [ 417.317469] ? zap_class+0x640/0x640 [ 417.321215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.326758] ? check_preemption_disabled+0x48/0x280 [ 417.331789] ? __lock_is_held+0xb5/0x140 [ 417.335860] __alloc_pages_nodemask+0xa80/0xde0 [ 417.340545] ? zap_class+0x640/0x640 [ 417.344410] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 417.349443] ? find_held_lock+0x36/0x1c0 [ 417.353518] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.358244] ? lock_downgrade+0x900/0x900 [ 417.362399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.367942] cache_grow_begin+0xa5/0x8c0 [ 417.372001] ? do_raw_spin_unlock+0xa7/0x330 [ 417.376416] fallback_alloc+0x204/0x2e0 [ 417.380398] ____cache_alloc_node+0x1c7/0x1e0 [ 417.384904] kmem_cache_alloc_node+0xe3/0x730 [ 417.389401] ? mark_held_locks+0xc7/0x130 [ 417.393564] __alloc_skb+0x119/0x770 [ 417.397283] ? netdev_alloc_frag+0x1f0/0x1f0 [ 417.401692] ? do_raw_spin_trylock+0x270/0x270 [ 417.406283] ? kmem_cache_alloc_trace+0x353/0x750 [ 417.411128] ? queue_work_on+0x12c/0x1e0 [ 417.415209] ? switchdev_port_obj_del+0xdc/0x440 [ 417.419964] ? switchdev_trans_item_enqueue+0x260/0x260 [ 417.425367] ? mod_timer+0x631/0x1560 [ 417.429169] ? wake_up_klogd+0x180/0x180 [ 417.433245] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 417.438337] __br_mdb_notify+0x4ff/0x15d0 [ 417.442504] ? __br_mdb_add+0x7f0/0x7f0 [ 417.446493] ? zap_class+0x640/0x640 [ 417.450251] ? br_multicast_group_expired+0x96/0x610 [ 417.455367] br_mdb_notify+0x310/0x410 [ 417.459255] ? br_mdb_dump+0x27b0/0x27b0 [ 417.463320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.468867] br_multicast_group_expired+0x1bc/0x610 [ 417.473888] ? br_mdb_free+0x80/0x80 [ 417.477614] call_timer_fn+0x272/0x920 [ 417.481535] ? br_mdb_free+0x80/0x80 [ 417.485249] ? process_timeout+0x40/0x40 [ 417.489316] ? __run_timers+0x7da/0xc70 [ 417.493291] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.497784] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.502280] ? br_mdb_free+0x80/0x80 [ 417.505998] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.510594] ? trace_hardirqs_on+0xbd/0x310 [ 417.514928] ? kasan_check_read+0x11/0x20 [ 417.519100] ? __run_timers+0x7da/0xc70 [ 417.523074] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.528210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.532462] ? br_mdb_free+0x80/0x80 [ 417.536188] __run_timers+0x7e5/0xc70 [ 417.540018] ? timer_fixup_init+0x70/0x70 [ 417.544196] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.549261] ? zap_class+0x640/0x640 [ 417.552980] ? enqueue_hrtimer+0x1a5/0x560 [ 417.557224] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 417.562421] ? find_held_lock+0x36/0x1c0 [ 417.566490] ? zap_class+0x640/0x640 [ 417.570225] ? pvclock_read_flags+0x160/0x160 [ 417.574729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.580287] ? check_preemption_disabled+0x48/0x280 [ 417.585317] ? __lock_is_held+0xb5/0x140 [ 417.589384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.594923] ? check_preemption_disabled+0x48/0x280 [ 417.599950] run_timer_softirq+0x52/0xb0 [ 417.604011] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.609029] __do_softirq+0x308/0xb7e [ 417.612893] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 417.617405] ? lock_downgrade+0x900/0x900 [ 417.621560] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 417.626684] ? pvclock_read_flags+0x160/0x160 [ 417.631216] ? lapic_next_event+0x5a/0x90 [ 417.635372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.640914] ? kvm_clock_read+0x18/0x30 [ 417.644894] ? kvm_sched_clock_read+0x9/0x20 [ 417.649309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.654849] ? check_preemption_disabled+0x48/0x280 [ 417.659880] irq_exit+0x17f/0x1c0 [ 417.663336] smp_apic_timer_interrupt+0x1cb/0x760 [ 417.668176] ? smp_reschedule_interrupt+0x109/0x650 [ 417.673226] ? smp_call_function_single_interrupt+0x650/0x650 [ 417.679113] ? interrupt_entry+0xb5/0xc0 [ 417.683188] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.688219] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.693237] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.698096] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.703110] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.708135] ? task_prio+0x50/0x50 [ 417.711706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.717248] ? check_preemption_disabled+0x48/0x280 [ 417.722269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.727121] apic_timer_interrupt+0xf/0x20 [ 417.731348] [ 417.733591] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 417.739477] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 417.758376] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 417.766082] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 417.773349] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 417.780616] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 417.787880] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 417.795146] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 417.802477] ? save_stack+0xa9/0xd0 [ 417.806129] __kmalloc_node_track_caller+0x3c/0x70 [ 417.811064] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 417.815845] pskb_expand_head+0x230/0x10f0 [ 417.820083] ? check_preemption_disabled+0x48/0x280 [ 417.825106] ? memcpy+0x45/0x50 [ 417.828404] ? __copy_skb_header+0x350/0x6b0 [ 417.832815] ? skb_release_data+0x880/0x880 [ 417.837133] ? __alloc_skb+0x770/0x770 [ 417.841029] ? __lock_is_held+0xb5/0x140 [ 417.845113] ? kasan_check_write+0x14/0x20 [ 417.849353] ? __skb_clone+0x6c7/0xa00 [ 417.853246] ? __copy_skb_header+0x6b0/0x6b0 [ 417.857652] ? kmem_cache_alloc+0x33a/0x730 [ 417.861993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.867536] skb_ensure_writable+0x3dd/0x640 [ 417.871949] ? skb_checksum_setup+0xaa0/0xaa0 [ 417.876448] ? preempt_notifier_register+0x200/0x200 [ 417.881553] ? __switch_to_asm+0x34/0x70 [ 417.885626] ? __switch_to_asm+0x34/0x70 [ 417.889685] ? __switch_to_asm+0x40/0x70 [ 417.893745] ? __switch_to_asm+0x34/0x70 [ 417.897816] ? __switch_to_asm+0x40/0x70 [ 417.901888] ? __switch_to_asm+0x40/0x70 [ 417.905946] ? __switch_to_asm+0x34/0x70 [ 417.910019] ? __switch_to_asm+0x34/0x70 [ 417.914077] ? __switch_to_asm+0x40/0x70 [ 417.918133] ? __switch_to_asm+0x34/0x70 [ 417.922215] bpf_clone_redirect+0x14a/0x490 [ 417.926553] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 417.931575] ? __sched_text_start+0x8/0x8 [ 417.935752] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 417.940521] ? find_held_lock+0x36/0x1c0 [ 417.944605] ? lock_acquire+0x1ed/0x520 [ 417.948583] ? bpf_test_run+0x3cb/0x780 [ 417.952557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.958096] ? check_preemption_disabled+0x48/0x280 [ 417.963119] ? kasan_check_read+0x11/0x20 [ 417.967270] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.972564] ? rcu_softirq_qs+0x20/0x20 [ 417.976572] ? preempt_schedule+0x4d/0x60 [ 417.980727] ? ___preempt_schedule+0x16/0x18 [ 417.985141] ? bpf_test_run+0x25d/0x780 [ 417.989130] ? netlink_diag_dump+0x2a0/0x2a0 [ 417.993599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.999135] ? bpf_test_init.isra.10+0x70/0x100 [ 418.003809] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 418.008589] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 418.013434] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 418.018970] ? fput+0x130/0x1a0 [ 418.022263] ? __bpf_prog_get+0x9b/0x290 [ 418.026333] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 418.031172] ? bpf_prog_test_run+0x130/0x1a0 [ 418.035598] ? __x64_sys_bpf+0x3db/0x520 [ 418.039657] ? bpf_prog_get+0x20/0x20 [ 418.043483] ? do_syscall_64+0x1b9/0x820 [ 418.047560] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 418.052924] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.057859] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.062881] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 418.067903] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 418.074567] ? __switch_to_asm+0x40/0x70 [ 418.078622] ? __switch_to_asm+0x34/0x70 [ 418.082688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.087538] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.092925] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 418.093560] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.099864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.110330] syz-executor2 cpuset=syz2 mems_allowed=0 [ 418.119670] Call Trace: [ 418.127341] dump_stack+0x244/0x39d [ 418.130982] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.136192] warn_alloc.cold.116+0xb7/0x1bd [ 418.140520] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.145367] ? lock_downgrade+0x900/0x900 [ 418.149528] ? trace_hardirqs_off+0xb8/0x310 [ 418.153944] ? trace_hardirqs_off+0xb8/0x310 [ 418.158382] __alloc_pages_slowpath+0x26e8/0x2e10 [ 418.163255] ? warn_alloc+0x120/0x120 [ 418.167063] ? print_usage_bug+0xc0/0xc0 [ 418.171127] ? warn_alloc+0x120/0x120 [ 418.174934] ? warn_alloc+0x120/0x120 [ 418.178736] ? print_usage_bug+0xc0/0xc0 [ 418.182803] ? print_usage_bug+0xc0/0xc0 [ 418.186878] ? __lock_acquire+0x62f/0x4c20 [ 418.191124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.196664] ? should_fail+0x22d/0xd01 [ 418.200576] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.205702] ? __lock_acquire+0x62f/0x4c20 [ 418.209947] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.215449] ? __lock_acquire+0x62f/0x4c20 [ 418.219687] ? should_fail+0x22d/0xd01 [ 418.223675] ? find_held_lock+0x36/0x1c0 [ 418.227752] ? mark_held_locks+0x130/0x130 [ 418.232012] ? mark_held_locks+0x130/0x130 [ 418.236248] ? zap_class+0x640/0x640 [ 418.239996] ? zap_class+0x640/0x640 [ 418.243728] ? print_usage_bug+0xc0/0xc0 [ 418.247789] ? do_raw_spin_unlock+0xa7/0x330 [ 418.252232] ? zap_class+0x640/0x640 [ 418.255944] ? print_usage_bug+0xc0/0xc0 [ 418.260008] ? wq_watchdog_touch+0x9c/0xfe [ 418.264254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.269803] ? check_preemption_disabled+0x48/0x280 [ 418.274831] ? __lock_is_held+0xb5/0x140 [ 418.278918] __alloc_pages_nodemask+0xa80/0xde0 [ 418.283594] ? zap_class+0x640/0x640 [ 418.287321] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 418.292363] ? find_held_lock+0x36/0x1c0 [ 418.296441] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.301116] ? lock_downgrade+0x900/0x900 [ 418.305274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.310823] cache_grow_begin+0xa5/0x8c0 [ 418.314885] ? do_raw_spin_unlock+0xa7/0x330 [ 418.319302] fallback_alloc+0x204/0x2e0 [ 418.323313] ____cache_alloc_node+0x1c7/0x1e0 [ 418.327813] kmem_cache_alloc_node+0xe3/0x730 [ 418.332311] ? ipv6_get_ifaddr+0x42e/0x620 [ 418.337026] __alloc_skb+0x119/0x770 [ 418.340742] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.346024] ? netdev_alloc_frag+0x1f0/0x1f0 [ 418.350439] ? lock_downgrade+0x900/0x900 [ 418.354598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.360142] ? refcount_sub_and_test_checked+0x203/0x310 [ 418.365600] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 418.371052] ? addrconf_rs_timer+0x690/0x690 [ 418.375476] ndisc_alloc_skb+0x144/0x340 [ 418.379545] ndisc_send_rs+0x331/0x6e0 [ 418.383439] addrconf_rs_timer+0x314/0x690 [ 418.387683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.391939] call_timer_fn+0x272/0x920 [ 418.395844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.400094] ? process_timeout+0x40/0x40 [ 418.404165] ? __run_timers+0x7da/0xc70 [ 418.408151] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.412660] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.417159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.421421] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.426007] ? trace_hardirqs_on+0xbd/0x310 [ 418.430330] ? kasan_check_read+0x11/0x20 [ 418.434479] ? __run_timers+0x7da/0xc70 [ 418.438460] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.443569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.447812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.452049] __run_timers+0x7e5/0xc70 [ 418.455880] ? timer_fixup_init+0x70/0x70 [ 418.460028] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.464526] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.469024] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 418.473612] ? trace_hardirqs_on+0xbd/0x310 [ 418.477951] ? kasan_check_read+0x11/0x20 [ 418.482101] ? finish_task_switch+0x1f4/0x910 [ 418.486600] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.491744] ? compat_start_thread+0x80/0x80 [ 418.496186] ? pvclock_read_flags+0x160/0x160 [ 418.500679] ? __switch_to_asm+0x34/0x70 [ 418.504775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.510314] ? check_preemption_disabled+0x48/0x280 [ 418.515347] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 418.520885] ? rcu_pm_notify+0xc0/0xc0 [ 418.524773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.530314] ? check_preemption_disabled+0x48/0x280 [ 418.535337] run_timer_softirq+0x52/0xb0 [ 418.539403] ? rcu_read_lock_sched_held+0x14f/0x180 [ 418.544422] __do_softirq+0x308/0xb7e [ 418.548253] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 418.553364] ? smpboot_thread_fn+0x334/0xa00 [ 418.557781] ? schedule+0x108/0x460 [ 418.561420] ? trace_hardirqs_off+0xb8/0x310 [ 418.565829] ? smpboot_thread_fn+0x68b/0xa00 [ 418.570246] ? trace_hardirqs_on+0x310/0x310 [ 418.574695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.580266] ? check_preemption_disabled+0x48/0x280 [ 418.585288] ? takeover_tasklets+0xa90/0xa90 [ 418.589702] run_ksoftirqd+0x5e/0x100 [ 418.593507] smpboot_thread_fn+0x68b/0xa00 [ 418.597750] ? sort_range+0x30/0x30 [ 418.601396] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 418.606534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.612075] ? __kthread_parkme+0xfb/0x1a0 [ 418.616313] ? sort_range+0x30/0x30 [ 418.619958] kthread+0x35a/0x440 [ 418.623339] ? kthread_stop+0x900/0x900 [ 418.627317] ret_from_fork+0x3a/0x50 [ 418.631046] warn_alloc_show_mem: 1 callbacks suppressed [ 418.631059] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 418.631061] Mem-Info: [ 418.631092] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 418.631092] active_file:15 inactive_file:12 isolated_file:0 [ 418.631092] unevictable:0 dirty:0 writeback:0 unstable:0 [ 418.631092] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 418.631092] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 418.631092] free:13769 free_pcp:294 free_cma:0 [ 418.636431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.643792] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 418.646195] Call Trace: [ 418.679323] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 418.688682] [ 418.716541] lowmem_reserve[]: 0 2818 6321 6321 [ 418.719131] dump_stack+0x244/0x39d [ 418.745233] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 418.747385] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.751933] lowmem_reserve[]: 0 0 3503 3503 [ 418.755567] warn_alloc.cold.116+0xb7/0x1bd [ 418.782955] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 418.788141] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.792436] lowmem_reserve[]: 0 0 0 0 [ 418.796767] ? lock_downgrade+0x900/0x900 [ 418.825806] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 418.830652] ? trace_hardirqs_off+0xb8/0x310 [ 418.834419] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 418.838569] ? trace_hardirqs_off+0xb8/0x310 [ 418.852065] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 418.856477] __alloc_pages_slowpath+0x26e8/0x2e10 [ 418.871977] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 418.876397] ? warn_alloc+0x120/0x120 [ 418.891097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 418.895960] ? warn_alloc+0x120/0x120 [ 418.904765] 12557 total pagecache pages [ 418.908562] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.917114] 0 pages in swap cache [ 418.920920] ? warn_alloc+0x120/0x120 [ 418.924873] Swap cache stats: add 0, delete 0, find 0/0 [ 418.929881] ? print_usage_bug+0xc0/0xc0 [ 418.933308] Free swap = 0kB [ 418.937098] ? print_usage_bug+0xc0/0xc0 [ 418.942437] Total swap = 0kB [ 418.946494] ? check_usage+0x1aa/0x790 [ 418.949491] 1965979 pages RAM [ 418.953549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.956561] 0 pages HighMem/MovableOnly [ 418.960441] ? should_fail+0x22d/0xd01 [ 418.963525] 342853 pages reserved [ 418.969055] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 418.973021] 0 pages cma reserved [ 418.976901] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.980397] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.986211] ? __lock_acquire+0x62f/0x4c20 [ 418.986230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.986246] ? should_fail+0x22d/0xd01 [ 418.989651] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.994708] ? mark_held_locks+0x130/0x130 [ 419.001173] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 419.005424] ? mark_held_locks+0x130/0x130 [ 419.037767] ? print_usage_bug+0xc0/0xc0 [ 419.041850] ? find_held_lock+0x36/0x1c0 [ 419.045912] ? zap_class+0x640/0x640 [ 419.049632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.055208] ? check_preemption_disabled+0x48/0x280 [ 419.060235] ? __lock_is_held+0xb5/0x140 [ 419.064304] __alloc_pages_nodemask+0xa80/0xde0 [ 419.068972] ? zap_class+0x640/0x640 [ 419.072693] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 419.077726] ? find_held_lock+0x36/0x1c0 [ 419.081796] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.086464] ? lock_downgrade+0x900/0x900 [ 419.090617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.096157] cache_grow_begin+0xa5/0x8c0 [ 419.100230] ? do_raw_spin_unlock+0xa7/0x330 [ 419.104643] fallback_alloc+0x204/0x2e0 [ 419.108637] ____cache_alloc_node+0x1c7/0x1e0 [ 419.113137] kmem_cache_alloc_node+0xe3/0x730 [ 419.117659] ? mark_held_locks+0xc7/0x130 [ 419.121815] __alloc_skb+0x119/0x770 [ 419.125540] ? netdev_alloc_frag+0x1f0/0x1f0 [ 419.129947] ? do_raw_spin_trylock+0x270/0x270 [ 419.134531] ? kmem_cache_alloc_trace+0x353/0x750 [ 419.139377] ? queue_work_on+0x12c/0x1e0 [ 419.143447] ? switchdev_port_obj_del+0xdc/0x440 [ 419.148214] ? switchdev_trans_item_enqueue+0x260/0x260 [ 419.153615] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 419.158639] __br_mdb_notify+0x4ff/0x15d0 [ 419.162812] ? __br_mdb_add+0x7f0/0x7f0 [ 419.166815] ? zap_class+0x640/0x640 [ 419.170540] ? br_multicast_group_expired+0x96/0x610 [ 419.175645] ? lock_downgrade+0x900/0x900 [ 419.179801] br_mdb_notify+0x310/0x410 [ 419.183693] ? br_mdb_dump+0x27b0/0x27b0 [ 419.187762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.193309] br_multicast_group_expired+0x1bc/0x610 [ 419.198331] ? br_mdb_free+0x80/0x80 [ 419.202054] call_timer_fn+0x272/0x920 [ 419.205959] ? br_mdb_free+0x80/0x80 [ 419.209676] ? process_timeout+0x40/0x40 [ 419.214231] ? __run_timers+0x7da/0xc70 [ 419.218247] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.222741] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.227243] ? br_mdb_free+0x80/0x80 [ 419.230962] ? lockdep_hardirqs_on+0x296/0x5b0 [ 419.235553] ? trace_hardirqs_on+0xbd/0x310 [ 419.239878] ? kasan_check_read+0x11/0x20 [ 419.244025] ? __run_timers+0x7da/0xc70 [ 419.248000] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.253108] ? br_mdb_free+0x80/0x80 [ 419.256830] ? br_mdb_free+0x80/0x80 [ 419.260548] __run_timers+0x7e5/0xc70 [ 419.264360] ? timer_fixup_init+0x70/0x70 [ 419.268513] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.273536] ? zap_class+0x640/0x640 [ 419.277263] ? enqueue_hrtimer+0x1a5/0x560 [ 419.281507] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 419.286722] ? find_held_lock+0x36/0x1c0 [ 419.290789] ? zap_class+0x640/0x640 [ 419.294508] ? pvclock_read_flags+0x160/0x160 [ 419.299021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.304564] ? check_preemption_disabled+0x48/0x280 [ 419.309594] ? __lock_is_held+0xb5/0x140 [ 419.313660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.319225] ? check_preemption_disabled+0x48/0x280 [ 419.324261] run_timer_softirq+0x52/0xb0 [ 419.328341] ? rcu_read_lock_sched_held+0x14f/0x180 [ 419.333364] __do_softirq+0x308/0xb7e [ 419.337169] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 419.341679] ? lock_downgrade+0x900/0x900 [ 419.346024] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 419.351136] ? pvclock_read_flags+0x160/0x160 [ 419.355636] ? lapic_next_event+0x5a/0x90 [ 419.359790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.365348] ? kvm_clock_read+0x18/0x30 [ 419.369326] ? kvm_sched_clock_read+0x9/0x20 [ 419.373735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.379273] ? check_preemption_disabled+0x48/0x280 [ 419.384317] irq_exit+0x17f/0x1c0 [ 419.387776] smp_apic_timer_interrupt+0x1cb/0x760 [ 419.392632] ? smp_reschedule_interrupt+0x109/0x650 [ 419.397654] ? smp_call_function_single_interrupt+0x650/0x650 [ 419.403551] ? interrupt_entry+0xb5/0xc0 [ 419.407630] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.412662] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.417679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.422527] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.427544] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.432564] ? task_prio+0x50/0x50 [ 419.436107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.441645] ? check_preemption_disabled+0x48/0x280 [ 419.446668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.451530] apic_timer_interrupt+0xf/0x20 [ 419.455761] [ 419.457997] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 419.463885] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 419.482782] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 419.490486] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 419.497749] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 419.505014] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 419.512278] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 419.519547] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 419.526839] ? save_stack+0xa9/0xd0 [ 419.530480] __kmalloc_node_track_caller+0x3c/0x70 [ 419.535418] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 419.540198] pskb_expand_head+0x230/0x10f0 [ 419.544451] ? check_preemption_disabled+0x48/0x280 [ 419.549505] ? memcpy+0x45/0x50 [ 419.552796] ? __copy_skb_header+0x350/0x6b0 [ 419.557224] ? skb_release_data+0x880/0x880 [ 419.561549] ? __alloc_skb+0x770/0x770 [ 419.565448] ? __lock_is_held+0xb5/0x140 [ 419.569524] ? kasan_check_write+0x14/0x20 [ 419.573761] ? __skb_clone+0x6c7/0xa00 [ 419.577651] ? __copy_skb_header+0x6b0/0x6b0 [ 419.582060] ? kmem_cache_alloc+0x33a/0x730 [ 419.586398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.591943] skb_ensure_writable+0x3dd/0x640 [ 419.596361] ? skb_checksum_setup+0xaa0/0xaa0 [ 419.600858] ? preempt_notifier_register+0x200/0x200 [ 419.605957] ? __switch_to_asm+0x34/0x70 [ 419.610034] ? __switch_to_asm+0x34/0x70 [ 419.614092] ? __switch_to_asm+0x40/0x70 [ 419.618151] ? __switch_to_asm+0x34/0x70 [ 419.622234] ? __switch_to_asm+0x40/0x70 [ 419.626294] ? __switch_to_asm+0x40/0x70 [ 419.630374] ? __switch_to_asm+0x34/0x70 [ 419.634436] ? __switch_to_asm+0x34/0x70 [ 419.638493] ? __switch_to_asm+0x40/0x70 [ 419.642564] ? __switch_to_asm+0x34/0x70 [ 419.646633] bpf_clone_redirect+0x14a/0x490 [ 419.650965] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 419.655997] ? __sched_text_start+0x8/0x8 [ 419.660146] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 419.664920] ? find_held_lock+0x36/0x1c0 [ 419.669003] ? lock_acquire+0x1ed/0x520 [ 419.672979] ? bpf_test_run+0x3cb/0x780 [ 419.676956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.682497] ? check_preemption_disabled+0x48/0x280 [ 419.687525] ? kasan_check_read+0x11/0x20 [ 419.691673] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.696947] ? rcu_softirq_qs+0x20/0x20 [ 419.700923] ? preempt_schedule+0x4d/0x60 [ 419.705076] ? ___preempt_schedule+0x16/0x18 [ 419.709498] ? bpf_test_run+0x25d/0x780 [ 419.713501] ? netlink_diag_dump+0x2a0/0x2a0 [ 419.717915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.723451] ? bpf_test_init.isra.10+0x70/0x100 [ 419.728131] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 419.732897] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 419.737743] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 419.743282] ? fput+0x130/0x1a0 [ 419.746564] ? __bpf_prog_get+0x9b/0x290 [ 419.750630] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 419.755477] ? bpf_prog_test_run+0x130/0x1a0 [ 419.759894] ? __x64_sys_bpf+0x3db/0x520 [ 419.763963] ? bpf_prog_get+0x20/0x20 [ 419.767791] ? do_syscall_64+0x1b9/0x820 [ 419.771852] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 419.777227] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.782158] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.787212] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 419.792239] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 419.798917] ? __switch_to_asm+0x40/0x70 [ 419.802988] ? __switch_to_asm+0x34/0x70 [ 419.807059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.811929] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.817328] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 419.817484] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.824292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.834762] syz-executor2 cpuset=syz2 mems_allowed=0 [ 419.844100] Call Trace: [ 419.851781] dump_stack+0x244/0x39d [ 419.855414] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.860638] warn_alloc.cold.116+0xb7/0x1bd [ 419.864977] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.869827] ? lock_downgrade+0x900/0x900 [ 419.874002] ? trace_hardirqs_off+0xb8/0x310 [ 419.878417] ? trace_hardirqs_off+0xb8/0x310 [ 419.882836] __alloc_pages_slowpath+0x26e8/0x2e10 [ 419.887716] ? warn_alloc+0x120/0x120 [ 419.891522] ? print_usage_bug+0xc0/0xc0 [ 419.895588] ? warn_alloc+0x120/0x120 [ 419.899399] ? warn_alloc+0x120/0x120 [ 419.903206] ? print_usage_bug+0xc0/0xc0 [ 419.907279] ? print_usage_bug+0xc0/0xc0 [ 419.911342] ? __lock_acquire+0x62f/0x4c20 [ 419.915583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.921140] ? should_fail+0x22d/0xd01 [ 419.925053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.930156] ? __lock_acquire+0x62f/0x4c20 [ 419.934407] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.939513] ? __lock_acquire+0x62f/0x4c20 [ 419.943748] ? should_fail+0x22d/0xd01 [ 419.947635] ? find_held_lock+0x36/0x1c0 [ 419.951710] ? mark_held_locks+0x130/0x130 [ 419.955956] ? mark_held_locks+0x130/0x130 [ 419.960196] ? zap_class+0x640/0x640 [ 419.963931] ? zap_class+0x640/0x640 [ 419.967651] ? print_usage_bug+0xc0/0xc0 [ 419.971715] ? do_raw_spin_unlock+0xa7/0x330 [ 419.976126] ? zap_class+0x640/0x640 [ 419.979839] ? print_usage_bug+0xc0/0xc0 [ 419.983903] ? wq_watchdog_touch+0x9c/0xfe [ 419.988148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.993697] ? check_preemption_disabled+0x48/0x280 [ 419.998751] ? __lock_is_held+0xb5/0x140 [ 420.002826] __alloc_pages_nodemask+0xa80/0xde0 [ 420.007499] ? zap_class+0x640/0x640 [ 420.011225] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 420.016258] ? find_held_lock+0x36/0x1c0 [ 420.020332] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.025000] ? lock_downgrade+0x900/0x900 [ 420.029153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.034718] cache_grow_begin+0xa5/0x8c0 [ 420.038780] ? do_raw_spin_unlock+0xa7/0x330 [ 420.043207] fallback_alloc+0x204/0x2e0 [ 420.047198] ____cache_alloc_node+0x1c7/0x1e0 [ 420.051706] kmem_cache_alloc_node+0xe3/0x730 [ 420.056225] ? ipv6_get_ifaddr+0x42e/0x620 [ 420.060471] __alloc_skb+0x119/0x770 [ 420.064193] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.069492] ? netdev_alloc_frag+0x1f0/0x1f0 [ 420.073907] ? lock_downgrade+0x900/0x900 [ 420.078083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.083628] ? refcount_sub_and_test_checked+0x203/0x310 [ 420.089102] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 420.094556] ? addrconf_rs_timer+0x690/0x690 [ 420.098981] ndisc_alloc_skb+0x144/0x340 [ 420.103049] ndisc_send_rs+0x331/0x6e0 [ 420.106943] addrconf_rs_timer+0x314/0x690 [ 420.111204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.115467] call_timer_fn+0x272/0x920 [ 420.119354] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.123593] ? process_timeout+0x40/0x40 [ 420.127677] ? __run_timers+0x7da/0xc70 [ 420.131702] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.136203] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.140720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.144976] ? lockdep_hardirqs_on+0x296/0x5b0 [ 420.149562] ? trace_hardirqs_on+0xbd/0x310 [ 420.153890] ? kasan_check_read+0x11/0x20 [ 420.158049] ? __run_timers+0x7da/0xc70 [ 420.162024] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.167137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.171378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.175611] __run_timers+0x7e5/0xc70 [ 420.179429] ? timer_fixup_init+0x70/0x70 [ 420.183580] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.188080] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.192576] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 420.197173] ? trace_hardirqs_on+0xbd/0x310 [ 420.201551] ? kasan_check_read+0x11/0x20 [ 420.205732] ? finish_task_switch+0x1f4/0x910 [ 420.210254] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.215512] ? compat_start_thread+0x80/0x80 [ 420.219947] ? pvclock_read_flags+0x160/0x160 [ 420.224439] ? __switch_to_asm+0x34/0x70 [ 420.228499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.234038] ? check_preemption_disabled+0x48/0x280 [ 420.239064] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 420.244637] ? rcu_pm_notify+0xc0/0xc0 [ 420.248561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.254105] ? check_preemption_disabled+0x48/0x280 [ 420.259131] run_timer_softirq+0x52/0xb0 [ 420.263198] ? rcu_read_lock_sched_held+0x14f/0x180 [ 420.268221] __do_softirq+0x308/0xb7e [ 420.272038] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 420.277145] ? smpboot_thread_fn+0x334/0xa00 [ 420.281569] ? schedule+0x108/0x460 [ 420.285218] ? trace_hardirqs_off+0xb8/0x310 [ 420.289631] ? smpboot_thread_fn+0x68b/0xa00 [ 420.294058] ? trace_hardirqs_on+0x310/0x310 [ 420.298471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.304015] ? check_preemption_disabled+0x48/0x280 [ 420.309036] ? takeover_tasklets+0xa90/0xa90 [ 420.313457] run_ksoftirqd+0x5e/0x100 [ 420.317270] smpboot_thread_fn+0x68b/0xa00 [ 420.321519] ? sort_range+0x30/0x30 [ 420.325148] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 420.330265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.335814] ? __kthread_parkme+0xfb/0x1a0 [ 420.340053] ? sort_range+0x30/0x30 [ 420.343682] kthread+0x35a/0x440 [ 420.347099] ? kthread_stop+0x900/0x900 [ 420.351075] ret_from_fork+0x3a/0x50 [ 420.354816] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 420.354821] warn_alloc_show_mem: 1 callbacks suppressed [ 420.354828] Mem-Info: [ 420.362236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.367609] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 420.367609] active_file:15 inactive_file:12 isolated_file:0 [ 420.367609] unevictable:0 dirty:0 writeback:0 unstable:0 [ 420.367609] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 420.367609] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 420.367609] free:13769 free_pcp:294 free_cma:0 [ 420.369997] Call Trace: [ 420.379401] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 420.412512] [ 420.415087] 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 [ 420.442930] dump_stack+0x244/0x39d [ 420.445051] lowmem_reserve[]: 0 2818 6321 6321 [ 420.471199] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.474816] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 420.479401] warn_alloc.cold.116+0xb7/0x1bd [ 420.484556] lowmem_reserve[]: 0 0 3503 3503 [ 420.511980] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.516274] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 420.520590] ? lock_downgrade+0x900/0x900 [ 420.525403] lowmem_reserve[]: 0 0 0 0 [ 420.554475] ? trace_hardirqs_off+0xb8/0x310 [ 420.558598] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 420.562398] ? trace_hardirqs_off+0xb8/0x310 [ 420.566780] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 420.580308] __alloc_pages_slowpath+0x26e8/0x2e10 [ 420.584686] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 420.600265] ? warn_alloc+0x120/0x120 [ 420.605066] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 420.619807] ? warn_alloc+0x120/0x120 [ 420.623599] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 420.632428] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.636229] 12557 total pagecache pages [ 420.644796] ? warn_alloc+0x120/0x120 [ 420.649797] 0 pages in swap cache [ 420.653761] ? print_usage_bug+0xc0/0xc0 [ 420.657541] Swap cache stats: add 0, delete 0, find 0/0 [ 420.661000] ? print_usage_bug+0xc0/0xc0 [ 420.665033] Free swap = 0kB [ 420.670393] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.674431] Total swap = 0kB [ 420.677446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.682604] 1965979 pages RAM [ 420.685618] ? should_fail+0x22d/0xd01 [ 420.691129] 0 pages HighMem/MovableOnly [ 420.694226] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.698090] 342853 pages reserved [ 420.702057] ? __lock_acquire+0x62f/0x4c20 [ 420.707133] 0 pages cma reserved [ 420.710582] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.714877] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 420.718149] ? should_fail+0x22d/0xd01 [ 420.723320] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.729728] ? mark_held_locks+0x130/0x130 [ 420.733599] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 420.743908] ? mark_held_locks+0x130/0x130 [ 420.756994] ? print_usage_bug+0xc0/0xc0 [ 420.761060] ? find_held_lock+0x36/0x1c0 [ 420.765122] ? zap_class+0x640/0x640 [ 420.768843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.774381] ? check_preemption_disabled+0x48/0x280 [ 420.779410] ? __lock_is_held+0xb5/0x140 [ 420.783476] __alloc_pages_nodemask+0xa80/0xde0 [ 420.788170] ? zap_class+0x640/0x640 [ 420.791906] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 420.796931] ? find_held_lock+0x36/0x1c0 [ 420.801000] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.805699] ? lock_downgrade+0x900/0x900 [ 420.809871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.815410] cache_grow_begin+0xa5/0x8c0 [ 420.819475] ? do_raw_spin_unlock+0xa7/0x330 [ 420.823898] fallback_alloc+0x204/0x2e0 [ 420.827898] ____cache_alloc_node+0x1c7/0x1e0 [ 420.832416] kmem_cache_alloc_node+0xe3/0x730 [ 420.836916] ? mark_held_locks+0xc7/0x130 [ 420.841087] __alloc_skb+0x119/0x770 [ 420.844812] ? netdev_alloc_frag+0x1f0/0x1f0 [ 420.849255] ? do_raw_spin_trylock+0x270/0x270 [ 420.853840] ? kmem_cache_alloc_trace+0x353/0x750 [ 420.858685] ? queue_work_on+0x12c/0x1e0 [ 420.862770] ? switchdev_port_obj_del+0xdc/0x440 [ 420.867531] ? switchdev_trans_item_enqueue+0x260/0x260 [ 420.872900] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 420.877920] __br_mdb_notify+0x4ff/0x15d0 [ 420.882077] ? __br_mdb_add+0x7f0/0x7f0 [ 420.886067] ? zap_class+0x640/0x640 [ 420.889796] ? br_multicast_group_expired+0x96/0x610 [ 420.894904] ? lock_downgrade+0x900/0x900 [ 420.899063] br_mdb_notify+0x310/0x410 [ 420.902968] ? br_mdb_dump+0x27b0/0x27b0 [ 420.907036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.912585] br_multicast_group_expired+0x1bc/0x610 [ 420.917623] ? br_mdb_free+0x80/0x80 [ 420.921347] call_timer_fn+0x272/0x920 [ 420.925240] ? br_mdb_free+0x80/0x80 [ 420.928969] ? process_timeout+0x40/0x40 [ 420.933041] ? __run_timers+0x7da/0xc70 [ 420.937024] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.941520] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.946018] ? br_mdb_free+0x80/0x80 [ 420.949736] ? lockdep_hardirqs_on+0x296/0x5b0 [ 420.954324] ? trace_hardirqs_on+0xbd/0x310 [ 420.958676] ? kasan_check_read+0x11/0x20 [ 420.962819] ? __run_timers+0x7da/0xc70 [ 420.966795] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.971900] ? br_mdb_free+0x80/0x80 [ 420.975624] ? br_mdb_free+0x80/0x80 [ 420.979337] __run_timers+0x7e5/0xc70 [ 420.983148] ? timer_fixup_init+0x70/0x70 [ 420.987309] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.992331] ? zap_class+0x640/0x640 [ 420.996055] ? enqueue_hrtimer+0x1a5/0x560 [ 421.000315] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.005515] ? find_held_lock+0x36/0x1c0 [ 421.009601] ? zap_class+0x640/0x640 [ 421.013344] ? pvclock_read_flags+0x160/0x160 [ 421.017842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.023397] ? check_preemption_disabled+0x48/0x280 [ 421.028426] ? __lock_is_held+0xb5/0x140 [ 421.032490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.038030] ? check_preemption_disabled+0x48/0x280 [ 421.043055] run_timer_softirq+0x52/0xb0 [ 421.047121] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.052143] __do_softirq+0x308/0xb7e [ 421.055948] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 421.060441] ? lock_downgrade+0x900/0x900 [ 421.064596] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.069720] ? pvclock_read_flags+0x160/0x160 [ 421.074238] ? lapic_next_event+0x5a/0x90 [ 421.078391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.083934] ? kvm_clock_read+0x18/0x30 [ 421.087906] ? kvm_sched_clock_read+0x9/0x20 [ 421.092320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.097859] ? check_preemption_disabled+0x48/0x280 [ 421.102887] irq_exit+0x17f/0x1c0 [ 421.106346] smp_apic_timer_interrupt+0x1cb/0x760 [ 421.111200] ? smp_reschedule_interrupt+0x109/0x650 [ 421.116240] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.122129] ? interrupt_entry+0xb5/0xc0 [ 421.126219] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.131240] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.136259] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.141118] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.146138] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.151152] ? task_prio+0x50/0x50 [ 421.154708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.160252] ? check_preemption_disabled+0x48/0x280 [ 421.165279] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.170136] apic_timer_interrupt+0xf/0x20 [ 421.174364] [ 421.176610] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 421.182497] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 421.201398] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 421.209106] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 421.216374] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 421.223641] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 421.230908] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 421.238173] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 421.245496] ? save_stack+0xa9/0xd0 [ 421.249139] __kmalloc_node_track_caller+0x3c/0x70 [ 421.254076] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 421.258839] pskb_expand_head+0x230/0x10f0 [ 421.263075] ? check_preemption_disabled+0x48/0x280 [ 421.268100] ? memcpy+0x45/0x50 [ 421.271388] ? __copy_skb_header+0x350/0x6b0 [ 421.275799] ? skb_release_data+0x880/0x880 [ 421.280141] ? __alloc_skb+0x770/0x770 [ 421.284079] ? __lock_is_held+0xb5/0x140 [ 421.288161] ? kasan_check_write+0x14/0x20 [ 421.292420] ? __skb_clone+0x6c7/0xa00 [ 421.296314] ? __copy_skb_header+0x6b0/0x6b0 [ 421.300722] ? kmem_cache_alloc+0x33a/0x730 [ 421.305046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.310592] skb_ensure_writable+0x3dd/0x640 [ 421.315007] ? skb_checksum_setup+0xaa0/0xaa0 [ 421.319507] ? preempt_notifier_register+0x200/0x200 [ 421.324612] ? __switch_to_asm+0x34/0x70 [ 421.328674] ? __switch_to_asm+0x34/0x70 [ 421.332728] ? __switch_to_asm+0x40/0x70 [ 421.336781] ? __switch_to_asm+0x34/0x70 [ 421.340855] ? __switch_to_asm+0x40/0x70 [ 421.345079] ? __switch_to_asm+0x40/0x70 [ 421.349139] ? __switch_to_asm+0x34/0x70 [ 421.353212] ? __switch_to_asm+0x34/0x70 [ 421.357273] ? __switch_to_asm+0x40/0x70 [ 421.361333] ? __switch_to_asm+0x34/0x70 [ 421.365402] bpf_clone_redirect+0x14a/0x490 [ 421.369733] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 421.374788] ? __sched_text_start+0x8/0x8 [ 421.378956] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.383730] ? find_held_lock+0x36/0x1c0 [ 421.387798] ? lock_acquire+0x1ed/0x520 [ 421.391787] ? bpf_test_run+0x3cb/0x780 [ 421.395762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.401318] ? check_preemption_disabled+0x48/0x280 [ 421.406346] ? kasan_check_read+0x11/0x20 [ 421.410494] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.415773] ? rcu_softirq_qs+0x20/0x20 [ 421.419769] ? preempt_schedule+0x4d/0x60 [ 421.423931] ? ___preempt_schedule+0x16/0x18 [ 421.428350] ? bpf_test_run+0x25d/0x780 [ 421.432336] ? netlink_diag_dump+0x2a0/0x2a0 [ 421.436747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.442284] ? bpf_test_init.isra.10+0x70/0x100 [ 421.446961] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 421.451727] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 421.456581] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 421.462121] ? fput+0x130/0x1a0 [ 421.465407] ? __bpf_prog_get+0x9b/0x290 [ 421.469479] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 421.474334] ? bpf_prog_test_run+0x130/0x1a0 [ 421.478765] ? __x64_sys_bpf+0x3db/0x520 [ 421.482828] ? bpf_prog_get+0x20/0x20 [ 421.486666] ? do_syscall_64+0x1b9/0x820 [ 421.490724] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 421.496093] ? syscall_return_slowpath+0x5e0/0x5e0 [ 421.501023] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.506051] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 421.511071] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 421.517732] ? __switch_to_asm+0x40/0x70 [ 421.521804] ? __switch_to_asm+0x34/0x70 [ 421.525867] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.530716] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.536100] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 421.536294] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.543034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.553500] syz-executor2 cpuset=syz2 mems_allowed=0 [ 421.562855] Call Trace: [ 421.570519] dump_stack+0x244/0x39d [ 421.574171] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.579389] warn_alloc.cold.116+0xb7/0x1bd [ 421.583714] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.588561] ? lock_downgrade+0x900/0x900 [ 421.592721] ? trace_hardirqs_off+0xb8/0x310 [ 421.597140] ? trace_hardirqs_off+0xb8/0x310 [ 421.601559] __alloc_pages_slowpath+0x26e8/0x2e10 [ 421.606447] ? warn_alloc+0x120/0x120 [ 421.610266] ? print_usage_bug+0xc0/0xc0 [ 421.614329] ? warn_alloc+0x120/0x120 [ 421.618132] ? warn_alloc+0x120/0x120 [ 421.621933] ? print_usage_bug+0xc0/0xc0 [ 421.626002] ? print_usage_bug+0xc0/0xc0 [ 421.630067] ? __lock_acquire+0x62f/0x4c20 [ 421.634326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.639864] ? should_fail+0x22d/0xd01 [ 421.643762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.648867] ? __lock_acquire+0x62f/0x4c20 [ 421.653111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.658227] ? __lock_acquire+0x62f/0x4c20 [ 421.662461] ? should_fail+0x22d/0xd01 [ 421.666352] ? find_held_lock+0x36/0x1c0 [ 421.670436] ? mark_held_locks+0x130/0x130 [ 421.674671] ? mark_held_locks+0x130/0x130 [ 421.678903] ? zap_class+0x640/0x640 [ 421.682621] ? mark_held_locks+0xc7/0x130 [ 421.686762] ? do_raw_spin_unlock+0xa7/0x330 [ 421.691213] ? zap_class+0x640/0x640 [ 421.694921] ? print_usage_bug+0xc0/0xc0 [ 421.698979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.704510] ? check_preemption_disabled+0x48/0x280 [ 421.709531] ? __lock_is_held+0xb5/0x140 [ 421.713598] __alloc_pages_nodemask+0xa80/0xde0 [ 421.718266] ? zap_class+0x640/0x640 [ 421.721986] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 421.727009] ? find_held_lock+0x36/0x1c0 [ 421.731078] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.735747] ? lock_downgrade+0x900/0x900 [ 421.739895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.745437] cache_grow_begin+0xa5/0x8c0 [ 421.749495] ? do_raw_spin_unlock+0xa7/0x330 [ 421.753925] fallback_alloc+0x204/0x2e0 [ 421.757925] ____cache_alloc_node+0x1c7/0x1e0 [ 421.762425] kmem_cache_alloc_node+0xe3/0x730 [ 421.766917] ? ipv6_get_ifaddr+0x42e/0x620 [ 421.771157] __alloc_skb+0x119/0x770 [ 421.774875] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.780152] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.784567] ? lock_downgrade+0x900/0x900 [ 421.788718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.794253] ? refcount_sub_and_test_checked+0x203/0x310 [ 421.799717] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 421.805164] ? addrconf_rs_timer+0x690/0x690 [ 421.809598] ndisc_alloc_skb+0x144/0x340 [ 421.813662] ndisc_send_rs+0x331/0x6e0 [ 421.817577] addrconf_rs_timer+0x314/0x690 [ 421.821816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.826060] call_timer_fn+0x272/0x920 [ 421.829946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.834201] ? process_timeout+0x40/0x40 [ 421.838272] ? __run_timers+0x7da/0xc70 [ 421.842243] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.846733] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.851228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.855465] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.860053] ? trace_hardirqs_on+0xbd/0x310 [ 421.864373] ? kasan_check_read+0x11/0x20 [ 421.868522] ? __run_timers+0x7da/0xc70 [ 421.872500] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.877607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.881843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.886075] __run_timers+0x7e5/0xc70 [ 421.889889] ? timer_fixup_init+0x70/0x70 [ 421.894039] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.898537] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.903033] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 421.907612] ? trace_hardirqs_on+0xbd/0x310 [ 421.911933] ? kasan_check_read+0x11/0x20 [ 421.916095] ? finish_task_switch+0x1f4/0x910 [ 421.920597] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.925719] ? compat_start_thread+0x80/0x80 [ 421.930163] ? pvclock_read_flags+0x160/0x160 [ 421.934678] ? __switch_to_asm+0x34/0x70 [ 421.938761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.944298] ? check_preemption_disabled+0x48/0x280 [ 421.949337] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 421.954872] ? rcu_pm_notify+0xc0/0xc0 [ 421.958760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.964312] ? check_preemption_disabled+0x48/0x280 [ 421.969338] run_timer_softirq+0x52/0xb0 [ 421.973410] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.978442] __do_softirq+0x308/0xb7e [ 421.982254] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.987361] ? smpboot_thread_fn+0x334/0xa00 [ 421.991775] ? schedule+0x108/0x460 [ 421.995413] ? trace_hardirqs_off+0xb8/0x310 [ 421.999826] ? smpboot_thread_fn+0x68b/0xa00 [ 422.004237] ? trace_hardirqs_on+0x310/0x310 [ 422.008651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.014199] ? check_preemption_disabled+0x48/0x280 [ 422.019225] ? takeover_tasklets+0xa90/0xa90 [ 422.023647] run_ksoftirqd+0x5e/0x100 [ 422.027472] smpboot_thread_fn+0x68b/0xa00 [ 422.031749] ? sort_range+0x30/0x30 [ 422.035388] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.040515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.046064] ? __kthread_parkme+0xfb/0x1a0 [ 422.050303] ? sort_range+0x30/0x30 [ 422.053926] kthread+0x35a/0x440 [ 422.057293] ? kthread_stop+0x900/0x900 [ 422.061270] ret_from_fork+0x3a/0x50 [ 422.064997] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 422.065002] warn_alloc_show_mem: 1 callbacks suppressed [ 422.065009] Mem-Info: [ 422.072354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.077768] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 422.077768] active_file:15 inactive_file:12 isolated_file:0 [ 422.077768] unevictable:0 dirty:0 writeback:0 unstable:0 [ 422.077768] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 422.077768] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 422.077768] free:13769 free_pcp:294 free_cma:0 [ 422.080136] Call Trace: [ 422.089518] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 422.122619] [ 422.125208] 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 [ 422.153049] dump_stack+0x244/0x39d [ 422.155175] lowmem_reserve[]: 0 2818 6321 6321 [ 422.181316] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.184919] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 422.189516] warn_alloc.cold.116+0xb7/0x1bd [ 422.194669] lowmem_reserve[]: 0 0 3503 3503 [ 422.222542] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.226840] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 422.231158] ? lock_downgrade+0x900/0x900 [ 422.235971] lowmem_reserve[]: 0 0 0 0 [ 422.265033] ? trace_hardirqs_off+0xb8/0x310 [ 422.269155] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 422.272955] ? trace_hardirqs_off+0xb8/0x310 [ 422.277343] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 422.290856] __alloc_pages_slowpath+0x26e8/0x2e10 [ 422.295234] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 422.310782] ? warn_alloc+0x120/0x120 [ 422.315584] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 422.330311] ? warn_alloc+0x120/0x120 [ 422.334093] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 422.343846] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.347624] 12557 total pagecache pages [ 422.356200] ? warn_alloc+0x120/0x120 [ 422.361197] 0 pages in swap cache [ 422.365168] ? print_usage_bug+0xc0/0xc0 [ 422.368956] Swap cache stats: add 0, delete 0, find 0/0 [ 422.372399] ? print_usage_bug+0xc0/0xc0 [ 422.376436] Free swap = 0kB [ 422.381794] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.385827] Total swap = 0kB [ 422.388839] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.393998] 1965979 pages RAM [ 422.397041] ? should_fail+0x22d/0xd01 [ 422.402554] 0 pages HighMem/MovableOnly [ 422.405652] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.409512] 342853 pages reserved [ 422.413479] ? __lock_acquire+0x62f/0x4c20 [ 422.418553] 0 pages cma reserved [ 422.422014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.426299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 422.429584] ? should_fail+0x22d/0xd01 [ 422.434752] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.441151] ? mark_held_locks+0x130/0x130 [ 422.445004] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 422.455305] ? mark_held_locks+0x130/0x130 [ 422.468512] ? print_usage_bug+0xc0/0xc0 [ 422.472588] ? find_held_lock+0x36/0x1c0 [ 422.476646] ? zap_class+0x640/0x640 [ 422.480362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.485897] ? check_preemption_disabled+0x48/0x280 [ 422.490939] ? __lock_is_held+0xb5/0x140 [ 422.495004] __alloc_pages_nodemask+0xa80/0xde0 [ 422.499670] ? zap_class+0x640/0x640 [ 422.503388] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 422.508441] ? find_held_lock+0x36/0x1c0 [ 422.512523] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.517206] ? lock_downgrade+0x900/0x900 [ 422.521358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.526895] cache_grow_begin+0xa5/0x8c0 [ 422.530964] ? do_raw_spin_unlock+0xa7/0x330 [ 422.535383] fallback_alloc+0x204/0x2e0 [ 422.539365] ____cache_alloc_node+0x1c7/0x1e0 [ 422.543868] kmem_cache_alloc_node+0xe3/0x730 [ 422.548363] ? mark_held_locks+0xc7/0x130 [ 422.552524] __alloc_skb+0x119/0x770 [ 422.556306] ? netdev_alloc_frag+0x1f0/0x1f0 [ 422.560732] ? do_raw_spin_trylock+0x270/0x270 [ 422.565332] ? kmem_cache_alloc_trace+0x353/0x750 [ 422.570207] ? queue_work_on+0x12c/0x1e0 [ 422.574276] ? switchdev_port_obj_del+0xdc/0x440 [ 422.579029] ? switchdev_trans_item_enqueue+0x260/0x260 [ 422.584402] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.589425] __br_mdb_notify+0x4ff/0x15d0 [ 422.593588] ? __br_mdb_add+0x7f0/0x7f0 [ 422.597617] ? zap_class+0x640/0x640 [ 422.601345] ? br_multicast_group_expired+0x96/0x610 [ 422.606463] ? lock_downgrade+0x900/0x900 [ 422.610616] br_mdb_notify+0x310/0x410 [ 422.614504] ? br_mdb_dump+0x27b0/0x27b0 [ 422.618575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.624135] br_multicast_group_expired+0x1bc/0x610 [ 422.629156] ? br_mdb_free+0x80/0x80 [ 422.632888] call_timer_fn+0x272/0x920 [ 422.636780] ? br_mdb_free+0x80/0x80 [ 422.640496] ? process_timeout+0x40/0x40 [ 422.644580] ? __run_timers+0x7da/0xc70 [ 422.648557] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.653083] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.657576] ? br_mdb_free+0x80/0x80 [ 422.661294] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.665880] ? trace_hardirqs_on+0xbd/0x310 [ 422.670213] ? kasan_check_read+0x11/0x20 [ 422.674357] ? __run_timers+0x7da/0xc70 [ 422.678360] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.683494] ? br_mdb_free+0x80/0x80 [ 422.687227] ? br_mdb_free+0x80/0x80 [ 422.690936] __run_timers+0x7e5/0xc70 [ 422.694742] ? timer_fixup_init+0x70/0x70 [ 422.698907] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.703931] ? zap_class+0x640/0x640 [ 422.707666] ? enqueue_hrtimer+0x1a5/0x560 [ 422.711898] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.717106] ? find_held_lock+0x36/0x1c0 [ 422.721167] ? zap_class+0x640/0x640 [ 422.724895] ? pvclock_read_flags+0x160/0x160 [ 422.729392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.734930] ? check_preemption_disabled+0x48/0x280 [ 422.739958] ? __lock_is_held+0xb5/0x140 [ 422.744034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.749573] ? check_preemption_disabled+0x48/0x280 [ 422.754594] run_timer_softirq+0x52/0xb0 [ 422.758656] ? rcu_read_lock_sched_held+0x14f/0x180 [ 422.763691] __do_softirq+0x308/0xb7e [ 422.767515] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 422.772025] ? lock_downgrade+0x900/0x900 [ 422.776177] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 422.781306] ? pvclock_read_flags+0x160/0x160 [ 422.785803] ? lapic_next_event+0x5a/0x90 [ 422.789951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.795506] ? kvm_clock_read+0x18/0x30 [ 422.799484] ? kvm_sched_clock_read+0x9/0x20 [ 422.803898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.809436] ? check_preemption_disabled+0x48/0x280 [ 422.814466] irq_exit+0x17f/0x1c0 [ 422.817922] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.822765] ? smp_reschedule_interrupt+0x109/0x650 [ 422.827841] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.833729] ? interrupt_entry+0xb5/0xc0 [ 422.837807] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.842852] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.847865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.852703] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.857730] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.862748] ? task_prio+0x50/0x50 [ 422.866302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.871841] ? check_preemption_disabled+0x48/0x280 [ 422.876861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.881712] apic_timer_interrupt+0xf/0x20 [ 422.885957] [ 422.888221] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 422.894106] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 422.913001] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 422.920706] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 422.927973] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 422.935240] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 422.942506] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 422.949782] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 422.957072] ? save_stack+0xa9/0xd0 [ 422.960704] __kmalloc_node_track_caller+0x3c/0x70 [ 422.965635] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 422.970396] pskb_expand_head+0x230/0x10f0 [ 422.974629] ? check_preemption_disabled+0x48/0x280 [ 422.979653] ? memcpy+0x45/0x50 [ 422.982932] ? __copy_skb_header+0x350/0x6b0 [ 422.987337] ? skb_release_data+0x880/0x880 [ 422.991657] ? __alloc_skb+0x770/0x770 [ 422.995567] ? __lock_is_held+0xb5/0x140 [ 422.999628] ? kasan_check_write+0x14/0x20 [ 423.003862] ? __skb_clone+0x6c7/0xa00 [ 423.007749] ? __copy_skb_header+0x6b0/0x6b0 [ 423.012154] ? kmem_cache_alloc+0x33a/0x730 [ 423.016490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.022065] skb_ensure_writable+0x3dd/0x640 [ 423.026475] ? skb_checksum_setup+0xaa0/0xaa0 [ 423.030969] ? preempt_notifier_register+0x200/0x200 [ 423.036069] ? __switch_to_asm+0x34/0x70 [ 423.040125] ? __switch_to_asm+0x34/0x70 [ 423.044179] ? __switch_to_asm+0x40/0x70 [ 423.048264] ? __switch_to_asm+0x34/0x70 [ 423.052349] ? __switch_to_asm+0x40/0x70 [ 423.056407] ? __switch_to_asm+0x40/0x70 [ 423.060466] ? __switch_to_asm+0x34/0x70 [ 423.064528] ? __switch_to_asm+0x34/0x70 [ 423.068619] ? __switch_to_asm+0x40/0x70 [ 423.072679] ? __switch_to_asm+0x34/0x70 [ 423.076742] bpf_clone_redirect+0x14a/0x490 [ 423.081067] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 423.086084] ? __sched_text_start+0x8/0x8 [ 423.090228] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 423.094986] ? find_held_lock+0x36/0x1c0 [ 423.099055] ? lock_acquire+0x1ed/0x520 [ 423.103027] ? bpf_test_run+0x3cb/0x780 [ 423.106997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.112533] ? check_preemption_disabled+0x48/0x280 [ 423.117588] ? kasan_check_read+0x11/0x20 [ 423.121737] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.127014] ? rcu_softirq_qs+0x20/0x20 [ 423.130987] ? preempt_schedule+0x4d/0x60 [ 423.135132] ? ___preempt_schedule+0x16/0x18 [ 423.139548] ? bpf_test_run+0x25d/0x780 [ 423.143529] ? netlink_diag_dump+0x2a0/0x2a0 [ 423.147952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.153483] ? bpf_test_init.isra.10+0x70/0x100 [ 423.158152] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 423.162923] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 423.167764] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 423.173299] ? fput+0x130/0x1a0 [ 423.176575] ? __bpf_prog_get+0x9b/0x290 [ 423.180649] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 423.185508] ? bpf_prog_test_run+0x130/0x1a0 [ 423.189933] ? __x64_sys_bpf+0x3db/0x520 [ 423.194007] ? bpf_prog_get+0x20/0x20 [ 423.197824] ? do_syscall_64+0x1b9/0x820 [ 423.201876] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 423.207235] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.212630] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.217651] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 423.222668] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 423.229328] ? __switch_to_asm+0x40/0x70 [ 423.233386] ? __switch_to_asm+0x34/0x70 [ 423.237451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.242301] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.247679] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 423.247816] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.254612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.265077] syz-executor2 cpuset=syz2 mems_allowed=0 [ 423.274411] Call Trace: [ 423.282079] dump_stack+0x244/0x39d [ 423.285714] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.290915] warn_alloc.cold.116+0xb7/0x1bd [ 423.295256] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.300120] ? lock_downgrade+0x900/0x900 [ 423.304279] ? trace_hardirqs_off+0xb8/0x310 [ 423.308692] ? trace_hardirqs_off+0xb8/0x310 [ 423.313117] __alloc_pages_slowpath+0x26e8/0x2e10 [ 423.318018] ? warn_alloc+0x120/0x120 [ 423.321837] ? print_usage_bug+0xc0/0xc0 [ 423.325919] ? warn_alloc+0x120/0x120 [ 423.329743] ? warn_alloc+0x120/0x120 [ 423.333564] ? print_usage_bug+0xc0/0xc0 [ 423.337631] ? print_usage_bug+0xc0/0xc0 [ 423.341717] ? __lock_acquire+0x62f/0x4c20 [ 423.346414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.351951] ? should_fail+0x22d/0xd01 [ 423.355842] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.360946] ? __lock_acquire+0x62f/0x4c20 [ 423.365189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.370294] ? __lock_acquire+0x62f/0x4c20 [ 423.374526] ? should_fail+0x22d/0xd01 [ 423.378430] ? find_held_lock+0x36/0x1c0 [ 423.382507] ? mark_held_locks+0x130/0x130 [ 423.386766] ? mark_held_locks+0x130/0x130 [ 423.391001] ? zap_class+0x640/0x640 [ 423.394725] ? mark_held_locks+0xc7/0x130 [ 423.398869] ? do_raw_spin_unlock+0xa7/0x330 [ 423.403289] ? zap_class+0x640/0x640 [ 423.407006] ? print_usage_bug+0xc0/0xc0 [ 423.411068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.416606] ? check_preemption_disabled+0x48/0x280 [ 423.421631] ? __lock_is_held+0xb5/0x140 [ 423.425699] __alloc_pages_nodemask+0xa80/0xde0 [ 423.430367] ? zap_class+0x640/0x640 [ 423.434085] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 423.439108] ? find_held_lock+0x36/0x1c0 [ 423.443175] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.447851] ? lock_downgrade+0x900/0x900 [ 423.451999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.457601] cache_grow_begin+0xa5/0x8c0 [ 423.461658] ? do_raw_spin_unlock+0xa7/0x330 [ 423.466073] fallback_alloc+0x204/0x2e0 [ 423.470054] ____cache_alloc_node+0x1c7/0x1e0 [ 423.474549] kmem_cache_alloc_node+0xe3/0x730 [ 423.479040] ? ipv6_get_ifaddr+0x42e/0x620 [ 423.483282] __alloc_skb+0x119/0x770 [ 423.487009] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.492291] ? netdev_alloc_frag+0x1f0/0x1f0 [ 423.496721] ? lock_downgrade+0x900/0x900 [ 423.500883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.506436] ? refcount_sub_and_test_checked+0x203/0x310 [ 423.511905] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 423.517354] ? addrconf_rs_timer+0x690/0x690 [ 423.521775] ndisc_alloc_skb+0x144/0x340 [ 423.525838] ndisc_send_rs+0x331/0x6e0 [ 423.529766] addrconf_rs_timer+0x314/0x690 [ 423.534010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.538255] call_timer_fn+0x272/0x920 [ 423.542147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.546385] ? process_timeout+0x40/0x40 [ 423.550453] ? __run_timers+0x7da/0xc70 [ 423.554433] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.558926] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.563416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.567668] ? lockdep_hardirqs_on+0x296/0x5b0 [ 423.572254] ? trace_hardirqs_on+0xbd/0x310 [ 423.576576] ? kasan_check_read+0x11/0x20 [ 423.580725] ? __run_timers+0x7da/0xc70 [ 423.584708] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.589827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.594061] __run_timers+0x7e5/0xc70 [ 423.597870] ? timer_fixup_init+0x70/0x70 [ 423.602021] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.606530] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.611029] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 423.615609] ? trace_hardirqs_on+0xbd/0x310 [ 423.619926] ? kasan_check_read+0x11/0x20 [ 423.624077] ? finish_task_switch+0x1f4/0x910 [ 423.628589] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.633690] ? compat_start_thread+0x80/0x80 [ 423.638126] ? pvclock_read_flags+0x160/0x160 [ 423.642619] ? __switch_to_asm+0x34/0x70 [ 423.646682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.652226] ? check_preemption_disabled+0x48/0x280 [ 423.657250] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 423.662790] ? rcu_pm_notify+0xc0/0xc0 [ 423.666722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.672261] ? check_preemption_disabled+0x48/0x280 [ 423.677280] run_timer_softirq+0x52/0xb0 [ 423.681336] ? rcu_read_lock_sched_held+0x14f/0x180 [ 423.686352] __do_softirq+0x308/0xb7e [ 423.690162] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 423.695296] ? smpboot_thread_fn+0x334/0xa00 [ 423.699714] ? schedule+0x108/0x460 [ 423.703353] ? trace_hardirqs_off+0xb8/0x310 [ 423.707763] ? smpboot_thread_fn+0x68b/0xa00 [ 423.712172] ? trace_hardirqs_on+0x310/0x310 [ 423.716592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.722150] ? check_preemption_disabled+0x48/0x280 [ 423.727173] ? takeover_tasklets+0xa90/0xa90 [ 423.731588] run_ksoftirqd+0x5e/0x100 [ 423.735391] smpboot_thread_fn+0x68b/0xa00 [ 423.739645] ? sort_range+0x30/0x30 [ 423.743274] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.748374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.753909] ? __kthread_parkme+0xfb/0x1a0 [ 423.758148] ? sort_range+0x30/0x30 [ 423.761775] kthread+0x35a/0x440 [ 423.765170] ? kthread_stop+0x900/0x900 [ 423.769199] ret_from_fork+0x3a/0x50 [ 423.772933] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 423.772938] warn_alloc_show_mem: 1 callbacks suppressed [ 423.772945] Mem-Info: [ 423.780312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.785679] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 423.785679] active_file:15 inactive_file:12 isolated_file:0 [ 423.785679] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.785679] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 423.785679] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 423.785679] free:13769 free_pcp:294 free_cma:0 [ 423.788054] Call Trace: [ 423.797441] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 423.830544] [ 423.833127] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 423.860970] dump_stack+0x244/0x39d [ 423.863112] lowmem_reserve[]: 0 2818 6321 6321 [ 423.889228] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.892845] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 423.897444] warn_alloc.cold.116+0xb7/0x1bd [ 423.902603] lowmem_reserve[]: 0 0 3503 3503 [ 423.930008] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.934307] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 423.938639] ? lock_downgrade+0x900/0x900 [ 423.943463] lowmem_reserve[]: 0 0 0 0 [ 423.972523] ? trace_hardirqs_off+0xb8/0x310 [ 423.976639] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 423.980431] ? trace_hardirqs_off+0xb8/0x310 [ 423.984814] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 423.998332] __alloc_pages_slowpath+0x26e8/0x2e10 [ 424.002715] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 424.018250] ? warn_alloc+0x120/0x120 [ 424.023048] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 424.037769] ? warn_alloc+0x120/0x120 [ 424.041547] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 424.050367] ? warn_alloc+0x120/0x120 [ 424.054139] 12557 total pagecache pages [ 424.062701] ? print_usage_bug+0xc0/0xc0 [ 424.066479] 0 pages in swap cache [ 424.070453] ? mark_held_locks+0x130/0x130 [ 424.074510] Swap cache stats: add 0, delete 0, find 0/0 [ 424.077963] ? kvm_clock_read+0x18/0x30 [ 424.082166] Free swap = 0kB [ 424.087539] ? print_usage_bug+0xc0/0xc0 [ 424.091486] Total swap = 0kB [ 424.094503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.098548] 1965979 pages RAM [ 424.101561] ? should_fail+0x22d/0xd01 [ 424.107072] 0 pages HighMem/MovableOnly [ 424.110169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.114035] 342853 pages reserved [ 424.117999] ? __lock_acquire+0x62f/0x4c20 [ 424.123073] 0 pages cma reserved [ 424.126515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.130813] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 424.134088] ? __lock_acquire+0x62f/0x4c20 [ 424.134101] ? should_fail+0x22d/0xd01 [ 424.134125] ? mark_held_locks+0x130/0x130 [ 424.139271] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.145704] ? mark_held_locks+0x130/0x130 [ 424.149918] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 424.153824] ? zap_class+0x640/0x640 [ 424.180938] ? print_usage_bug+0xc0/0xc0 [ 424.184999] ? find_held_lock+0x36/0x1c0 [ 424.189061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.194605] ? check_preemption_disabled+0x48/0x280 [ 424.199634] ? __lock_is_held+0xb5/0x140 [ 424.203696] __alloc_pages_nodemask+0xa80/0xde0 [ 424.208364] ? zap_class+0x640/0x640 [ 424.212553] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 424.217579] ? find_held_lock+0x36/0x1c0 [ 424.221647] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.226313] ? lock_downgrade+0x900/0x900 [ 424.230543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.236099] cache_grow_begin+0xa5/0x8c0 [ 424.240156] ? do_raw_spin_unlock+0xa7/0x330 [ 424.244587] fallback_alloc+0x204/0x2e0 [ 424.248573] ____cache_alloc_node+0x1c7/0x1e0 [ 424.253122] kmem_cache_alloc_node+0xe3/0x730 [ 424.257616] ? ipv6_get_ifaddr+0x42e/0x620 [ 424.261858] __alloc_skb+0x119/0x770 [ 424.265599] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.270880] ? netdev_alloc_frag+0x1f0/0x1f0 [ 424.275298] ? lock_downgrade+0x900/0x900 [ 424.279500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.285035] ? refcount_sub_and_test_checked+0x203/0x310 [ 424.290505] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 424.295984] ? addrconf_rs_timer+0x690/0x690 [ 424.300410] ndisc_alloc_skb+0x144/0x340 [ 424.304475] ndisc_send_rs+0x331/0x6e0 [ 424.308368] addrconf_rs_timer+0x314/0x690 [ 424.312625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.316927] call_timer_fn+0x272/0x920 [ 424.320833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.325066] ? process_timeout+0x40/0x40 [ 424.329153] ? __run_timers+0x7da/0xc70 [ 424.333137] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.337636] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.342133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.346376] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.350963] ? trace_hardirqs_on+0xbd/0x310 [ 424.355303] ? kasan_check_read+0x11/0x20 [ 424.359452] ? __run_timers+0x7da/0xc70 [ 424.363433] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.368549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.372788] __run_timers+0x7e5/0xc70 [ 424.376602] ? timer_fixup_init+0x70/0x70 [ 424.380751] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.385798] ? zap_class+0x640/0x640 [ 424.389519] ? enqueue_hrtimer+0x1a5/0x560 [ 424.393757] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 424.398959] ? find_held_lock+0x36/0x1c0 [ 424.403024] ? zap_class+0x640/0x640 [ 424.406741] ? pvclock_read_flags+0x160/0x160 [ 424.411250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.416786] ? check_preemption_disabled+0x48/0x280 [ 424.421817] ? __lock_is_held+0xb5/0x140 [ 424.425893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.431430] ? check_preemption_disabled+0x48/0x280 [ 424.436454] run_timer_softirq+0x52/0xb0 [ 424.440517] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.445567] __do_softirq+0x308/0xb7e [ 424.449370] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 424.453899] ? lock_downgrade+0x900/0x900 [ 424.458071] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.463178] ? pvclock_read_flags+0x160/0x160 [ 424.467687] ? lapic_next_event+0x5a/0x90 [ 424.471839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.477383] ? kvm_clock_read+0x18/0x30 [ 424.481357] ? kvm_sched_clock_read+0x9/0x20 [ 424.485767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.491314] ? check_preemption_disabled+0x48/0x280 [ 424.496345] irq_exit+0x17f/0x1c0 [ 424.499803] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.504647] ? smp_reschedule_interrupt+0x109/0x650 [ 424.509666] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.515551] ? interrupt_entry+0xb5/0xc0 [ 424.519613] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.524640] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.529670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.534511] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.539526] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.544543] ? task_prio+0x50/0x50 [ 424.548090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.553646] ? check_preemption_disabled+0x48/0x280 [ 424.558683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.563538] apic_timer_interrupt+0xf/0x20 [ 424.567767] [ 424.570011] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 424.575892] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 424.594789] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 424.602497] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 424.609763] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 424.617030] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 424.624298] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 424.631568] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 424.638864] ? save_stack+0xa9/0xd0 [ 424.642524] __kmalloc_node_track_caller+0x3c/0x70 [ 424.647461] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 424.652233] pskb_expand_head+0x230/0x10f0 [ 424.656471] ? check_preemption_disabled+0x48/0x280 [ 424.661491] ? memcpy+0x45/0x50 [ 424.664787] ? __copy_skb_header+0x350/0x6b0 [ 424.669212] ? skb_release_data+0x880/0x880 [ 424.673540] ? __alloc_skb+0x770/0x770 [ 424.677442] ? __lock_is_held+0xb5/0x140 [ 424.681514] ? kasan_check_write+0x14/0x20 [ 424.685747] ? __skb_clone+0x6c7/0xa00 [ 424.689657] ? __copy_skb_header+0x6b0/0x6b0 [ 424.694064] ? kmem_cache_alloc+0x33a/0x730 [ 424.698389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.703936] skb_ensure_writable+0x3dd/0x640 [ 424.708351] ? skb_checksum_setup+0xaa0/0xaa0 [ 424.712848] ? preempt_notifier_register+0x200/0x200 [ 424.717962] ? __switch_to_asm+0x34/0x70 [ 424.722024] ? __switch_to_asm+0x34/0x70 [ 424.726086] ? __switch_to_asm+0x40/0x70 [ 424.730143] ? __switch_to_asm+0x34/0x70 [ 424.734212] ? __switch_to_asm+0x40/0x70 [ 424.738274] ? __switch_to_asm+0x40/0x70 [ 424.742336] ? __switch_to_asm+0x34/0x70 [ 424.746394] ? __switch_to_asm+0x34/0x70 [ 424.750451] ? __switch_to_asm+0x40/0x70 [ 424.754536] ? __switch_to_asm+0x34/0x70 [ 424.758597] bpf_clone_redirect+0x14a/0x490 [ 424.762924] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 424.767942] ? __sched_text_start+0x8/0x8 [ 424.772088] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 424.776854] ? find_held_lock+0x36/0x1c0 [ 424.780924] ? lock_acquire+0x1ed/0x520 [ 424.784901] ? bpf_test_run+0x3cb/0x780 [ 424.788873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.794406] ? check_preemption_disabled+0x48/0x280 [ 424.799425] ? kasan_check_read+0x11/0x20 [ 424.803572] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.808861] ? rcu_softirq_qs+0x20/0x20 [ 424.812835] ? preempt_schedule+0x4d/0x60 [ 424.816980] ? ___preempt_schedule+0x16/0x18 [ 424.821399] ? bpf_test_run+0x25d/0x780 [ 424.825383] ? netlink_diag_dump+0x2a0/0x2a0 [ 424.829793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.835328] ? bpf_test_init.isra.10+0x70/0x100 [ 424.840004] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 424.844783] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 424.849641] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 424.855179] ? fput+0x130/0x1a0 [ 424.858501] ? __bpf_prog_get+0x9b/0x290 [ 424.862568] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 424.867411] ? bpf_prog_test_run+0x130/0x1a0 [ 424.871823] ? __x64_sys_bpf+0x3db/0x520 [ 424.875885] ? bpf_prog_get+0x20/0x20 [ 424.879703] ? do_syscall_64+0x1b9/0x820 [ 424.883766] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 424.889129] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.894062] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.899082] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 424.904101] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 424.910763] ? __switch_to_asm+0x40/0x70 [ 424.914818] ? __switch_to_asm+0x34/0x70 [ 424.918916] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.923764] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.929141] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 424.929217] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 424.936064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.936069] Call Trace: [ 424.936088] dump_stack+0x244/0x39d [ 424.936111] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.942657] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.951933] warn_alloc.cold.116+0xb7/0x1bd [ 424.954487] syz-executor2 cpuset=syz2 mems_allowed=0 [ 424.958107] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.987959] ? lock_downgrade+0x900/0x900 [ 424.992116] ? trace_hardirqs_off+0xb8/0x310 [ 424.996525] ? trace_hardirqs_off+0xb8/0x310 [ 425.000942] __alloc_pages_slowpath+0x26e8/0x2e10 [ 425.005814] ? warn_alloc+0x120/0x120 [ 425.009620] ? print_usage_bug+0xc0/0xc0 [ 425.013680] ? warn_alloc+0x120/0x120 [ 425.017495] ? warn_alloc+0x120/0x120 [ 425.021300] ? print_usage_bug+0xc0/0xc0 [ 425.025376] ? print_usage_bug+0xc0/0xc0 [ 425.029438] ? __lock_acquire+0x62f/0x4c20 [ 425.033680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.039226] ? should_fail+0x22d/0xd01 [ 425.043117] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.048247] ? __lock_acquire+0x62f/0x4c20 [ 425.052486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.057582] ? __lock_acquire+0x62f/0x4c20 [ 425.061811] ? should_fail+0x22d/0xd01 [ 425.065712] ? find_held_lock+0x36/0x1c0 [ 425.069776] ? mark_held_locks+0x130/0x130 [ 425.074011] ? mark_held_locks+0x130/0x130 [ 425.078241] ? zap_class+0x640/0x640 [ 425.081952] ? zap_class+0x640/0x640 [ 425.085680] ? print_usage_bug+0xc0/0xc0 [ 425.089759] ? do_raw_spin_unlock+0xa7/0x330 [ 425.094167] ? zap_class+0x640/0x640 [ 425.097887] ? print_usage_bug+0xc0/0xc0 [ 425.101944] ? wq_watchdog_touch+0x9c/0xfe [ 425.106222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.111757] ? check_preemption_disabled+0x48/0x280 [ 425.116777] ? __lock_is_held+0xb5/0x140 [ 425.120844] __alloc_pages_nodemask+0xa80/0xde0 [ 425.125509] ? zap_class+0x640/0x640 [ 425.129228] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 425.134258] ? find_held_lock+0x36/0x1c0 [ 425.138328] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.143002] ? lock_downgrade+0x900/0x900 [ 425.147152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.152688] cache_grow_begin+0xa5/0x8c0 [ 425.156752] ? do_raw_spin_unlock+0xa7/0x330 [ 425.161166] fallback_alloc+0x204/0x2e0 [ 425.165154] ____cache_alloc_node+0x1c7/0x1e0 [ 425.169661] kmem_cache_alloc_node+0xe3/0x730 [ 425.174176] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.178445] __alloc_skb+0x119/0x770 [ 425.182153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.187453] ? netdev_alloc_frag+0x1f0/0x1f0 [ 425.191861] ? lock_downgrade+0x900/0x900 [ 425.196015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.201551] ? refcount_sub_and_test_checked+0x203/0x310 [ 425.207015] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 425.212479] ? addrconf_rs_timer+0x690/0x690 [ 425.216898] ndisc_alloc_skb+0x144/0x340 [ 425.220960] ndisc_send_rs+0x331/0x6e0 [ 425.224850] addrconf_rs_timer+0x314/0x690 [ 425.229093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.233337] call_timer_fn+0x272/0x920 [ 425.237223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.241492] ? process_timeout+0x40/0x40 [ 425.245563] ? __run_timers+0x7da/0xc70 [ 425.249537] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.254026] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.258519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.262753] ? lockdep_hardirqs_on+0x296/0x5b0 [ 425.267337] ? trace_hardirqs_on+0xbd/0x310 [ 425.271656] ? kasan_check_read+0x11/0x20 [ 425.275802] ? __run_timers+0x7da/0xc70 [ 425.279776] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.284886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.289125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.293360] __run_timers+0x7e5/0xc70 [ 425.297172] ? timer_fixup_init+0x70/0x70 [ 425.301328] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.305821] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.310335] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 425.314922] ? trace_hardirqs_on+0xbd/0x310 [ 425.319251] ? kasan_check_read+0x11/0x20 [ 425.323405] ? finish_task_switch+0x1f4/0x910 [ 425.327903] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.333010] ? compat_start_thread+0x80/0x80 [ 425.337440] ? pvclock_read_flags+0x160/0x160 [ 425.341931] ? __switch_to_asm+0x34/0x70 [ 425.346499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.352039] ? check_preemption_disabled+0x48/0x280 [ 425.357066] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 425.362611] ? rcu_pm_notify+0xc0/0xc0 [ 425.366500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.372038] ? check_preemption_disabled+0x48/0x280 [ 425.377064] run_timer_softirq+0x52/0xb0 [ 425.381121] ? rcu_read_lock_sched_held+0x14f/0x180 [ 425.386142] __do_softirq+0x308/0xb7e [ 425.389957] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 425.395069] ? smpboot_thread_fn+0x334/0xa00 [ 425.399502] ? schedule+0x108/0x460 [ 425.403171] ? trace_hardirqs_off+0xb8/0x310 [ 425.407590] ? smpboot_thread_fn+0x68b/0xa00 [ 425.412003] ? trace_hardirqs_on+0x310/0x310 [ 425.416416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.421952] ? check_preemption_disabled+0x48/0x280 [ 425.426971] ? takeover_tasklets+0xa90/0xa90 [ 425.431376] run_ksoftirqd+0x5e/0x100 [ 425.435178] smpboot_thread_fn+0x68b/0xa00 [ 425.439423] ? sort_range+0x30/0x30 [ 425.443051] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.448151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.453701] ? __kthread_parkme+0xfb/0x1a0 [ 425.457936] ? sort_range+0x30/0x30 [ 425.461558] kthread+0x35a/0x440 [ 425.464939] ? kthread_stop+0x900/0x900 [ 425.468959] ret_from_fork+0x3a/0x50 [ 425.472725] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 425.472730] warn_alloc_show_mem: 1 callbacks suppressed [ 425.472737] Mem-Info: [ 425.480105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.485472] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 425.485472] active_file:15 inactive_file:12 isolated_file:0 [ 425.485472] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.485472] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 425.485472] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 425.485472] free:13769 free_pcp:294 free_cma:0 [ 425.487839] Call Trace: [ 425.497239] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 425.530340] [ 425.532906] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 425.560760] dump_stack+0x244/0x39d [ 425.562884] lowmem_reserve[]: 0 2818 6321 6321 [ 425.588987] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.592600] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 425.597190] warn_alloc.cold.116+0xb7/0x1bd [ 425.602347] lowmem_reserve[]: 0 0 3503 3503 [ 425.629770] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.634067] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 425.638387] ? lock_downgrade+0x900/0x900 [ 425.643200] lowmem_reserve[]: 0 0 0 0 [ 425.672267] ? trace_hardirqs_off+0xb8/0x310 [ 425.676415] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 425.680219] ? trace_hardirqs_off+0xb8/0x310 [ 425.684602] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 425.698125] __alloc_pages_slowpath+0x26e8/0x2e10 [ 425.702507] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 425.718043] ? warn_alloc+0x120/0x120 [ 425.722847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 425.737570] ? print_usage_bug+0xc0/0xc0 [ 425.741349] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 425.750166] ? warn_alloc+0x120/0x120 [ 425.754210] 12557 total pagecache pages [ 425.762774] ? warn_alloc+0x120/0x120 [ 425.766551] 0 pages in swap cache [ 425.770512] ? print_usage_bug+0xc0/0xc0 [ 425.774287] Swap cache stats: add 0, delete 0, find 0/0 [ 425.777740] ? kvm_clock_read+0x18/0x30 [ 425.781775] Free swap = 0kB [ 425.787143] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 425.791089] Total swap = 0kB [ 425.794098] ? print_usage_bug+0xc0/0xc0 [ 425.799089] 1965979 pages RAM [ 425.802097] ? __lock_acquire+0x62f/0x4c20 [ 425.806136] 0 pages HighMem/MovableOnly [ 425.809234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.813469] 342853 pages reserved [ 425.817437] ? should_fail+0x22d/0xd01 [ 425.822944] 0 pages cma reserved [ 425.826392] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.830316] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 425.833610] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.833625] ? __lock_acquire+0x62f/0x4c20 [ 425.833644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.838952] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.845388] ? __lock_acquire+0x62f/0x4c20 [ 425.850467] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 425.854694] ? should_fail+0x22d/0xd01 [ 425.882859] ? rcu_irq_exit+0x1a2/0x390 [ 425.886844] ? mark_held_locks+0x130/0x130 [ 425.891087] ? mark_held_locks+0x130/0x130 [ 425.895341] ? mark_held_locks+0xc7/0x130 [ 425.899508] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 425.904524] ? zap_class+0x640/0x640 [ 425.908242] ? print_usage_bug+0xc0/0xc0 [ 425.912312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.917849] ? check_preemption_disabled+0x48/0x280 [ 425.922873] ? __lock_is_held+0xb5/0x140 [ 425.926946] __alloc_pages_nodemask+0xa80/0xde0 [ 425.931614] ? zap_class+0x640/0x640 [ 425.935330] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 425.940355] ? find_held_lock+0x36/0x1c0 [ 425.944420] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.949102] ? lock_downgrade+0x900/0x900 [ 425.953258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.958811] cache_grow_begin+0xa5/0x8c0 [ 425.962868] ? do_raw_spin_unlock+0xa7/0x330 [ 425.967313] fallback_alloc+0x204/0x2e0 [ 425.971295] ____cache_alloc_node+0x1c7/0x1e0 [ 425.975798] kmem_cache_alloc_node+0xe3/0x730 [ 425.980318] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.984608] __alloc_skb+0x119/0x770 [ 425.988322] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.993604] ? netdev_alloc_frag+0x1f0/0x1f0 [ 425.998010] ? lock_downgrade+0x900/0x900 [ 426.002161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.007720] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.013200] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.018654] ? addrconf_rs_timer+0x690/0x690 [ 426.023076] ndisc_alloc_skb+0x144/0x340 [ 426.027171] ndisc_send_rs+0x331/0x6e0 [ 426.031078] addrconf_rs_timer+0x314/0x690 [ 426.035352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.039609] call_timer_fn+0x272/0x920 [ 426.043495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.047742] ? process_timeout+0x40/0x40 [ 426.051805] ? __run_timers+0x7da/0xc70 [ 426.055776] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.060267] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.064757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.069006] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.073592] ? trace_hardirqs_on+0xbd/0x310 [ 426.077913] ? kasan_check_read+0x11/0x20 [ 426.082055] ? __run_timers+0x7da/0xc70 [ 426.086025] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.091141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.095420] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.099677] __run_timers+0x7e5/0xc70 [ 426.103491] ? timer_fixup_init+0x70/0x70 [ 426.107638] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.112649] ? zap_class+0x640/0x640 [ 426.116368] ? enqueue_hrtimer+0x1a5/0x560 [ 426.120633] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.125832] ? find_held_lock+0x36/0x1c0 [ 426.129899] ? zap_class+0x640/0x640 [ 426.133615] ? pvclock_read_flags+0x160/0x160 [ 426.138124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.143663] ? check_preemption_disabled+0x48/0x280 [ 426.148689] ? __lock_is_held+0xb5/0x140 [ 426.152749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.158301] ? check_preemption_disabled+0x48/0x280 [ 426.163346] run_timer_softirq+0x52/0xb0 [ 426.167412] ? rcu_read_lock_sched_held+0x14f/0x180 [ 426.172441] __do_softirq+0x308/0xb7e [ 426.176246] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 426.180740] ? lock_downgrade+0x900/0x900 [ 426.184890] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 426.189999] ? pvclock_read_flags+0x160/0x160 [ 426.194501] ? lapic_next_event+0x5a/0x90 [ 426.198667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.204231] ? kvm_clock_read+0x18/0x30 [ 426.208216] ? kvm_sched_clock_read+0x9/0x20 [ 426.213079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.218620] ? check_preemption_disabled+0x48/0x280 [ 426.223651] irq_exit+0x17f/0x1c0 [ 426.227109] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.231956] ? smp_reschedule_interrupt+0x109/0x650 [ 426.236975] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.242862] ? interrupt_entry+0xb5/0xc0 [ 426.246942] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.251970] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.256988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.261833] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.266850] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.271867] ? task_prio+0x50/0x50 [ 426.275410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.280960] ? check_preemption_disabled+0x48/0x280 [ 426.285982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.290844] apic_timer_interrupt+0xf/0x20 [ 426.295071] [ 426.297328] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 426.303236] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 426.322137] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 426.329845] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 426.338022] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 426.345296] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 426.352562] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 426.359827] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 426.367123] ? save_stack+0xa9/0xd0 [ 426.370761] __kmalloc_node_track_caller+0x3c/0x70 [ 426.375695] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 426.380456] pskb_expand_head+0x230/0x10f0 [ 426.384690] ? check_preemption_disabled+0x48/0x280 [ 426.389714] ? memcpy+0x45/0x50 [ 426.392993] ? __copy_skb_header+0x350/0x6b0 [ 426.397415] ? skb_release_data+0x880/0x880 [ 426.401737] ? __alloc_skb+0x770/0x770 [ 426.405643] ? __lock_is_held+0xb5/0x140 [ 426.409707] ? kasan_check_write+0x14/0x20 [ 426.413941] ? __skb_clone+0x6c7/0xa00 [ 426.417827] ? __copy_skb_header+0x6b0/0x6b0 [ 426.422245] ? kmem_cache_alloc+0x33a/0x730 [ 426.426566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.432128] skb_ensure_writable+0x3dd/0x640 [ 426.436544] ? skb_checksum_setup+0xaa0/0xaa0 [ 426.441042] ? preempt_notifier_register+0x200/0x200 [ 426.446142] ? __switch_to_asm+0x34/0x70 [ 426.450213] ? __switch_to_asm+0x34/0x70 [ 426.454276] ? __switch_to_asm+0x40/0x70 [ 426.458339] ? __switch_to_asm+0x34/0x70 [ 426.462396] ? __switch_to_asm+0x40/0x70 [ 426.466456] ? __switch_to_asm+0x40/0x70 [ 426.470514] ? __switch_to_asm+0x34/0x70 [ 426.474572] ? __switch_to_asm+0x34/0x70 [ 426.478628] ? __switch_to_asm+0x40/0x70 [ 426.482690] ? __switch_to_asm+0x34/0x70 [ 426.486761] bpf_clone_redirect+0x14a/0x490 [ 426.491092] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 426.496112] ? __sched_text_start+0x8/0x8 [ 426.500267] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.505037] ? find_held_lock+0x36/0x1c0 [ 426.509107] ? lock_acquire+0x1ed/0x520 [ 426.513086] ? bpf_test_run+0x3cb/0x780 [ 426.517060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.522599] ? check_preemption_disabled+0x48/0x280 [ 426.527627] ? kasan_check_read+0x11/0x20 [ 426.531797] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.537072] ? rcu_softirq_qs+0x20/0x20 [ 426.541052] ? preempt_schedule+0x4d/0x60 [ 426.545214] ? ___preempt_schedule+0x16/0x18 [ 426.549632] ? bpf_test_run+0x25d/0x780 [ 426.553619] ? netlink_diag_dump+0x2a0/0x2a0 [ 426.558031] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.563569] ? bpf_test_init.isra.10+0x70/0x100 [ 426.568252] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 426.573018] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 426.577864] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 426.583405] ? fput+0x130/0x1a0 [ 426.586689] ? __bpf_prog_get+0x9b/0x290 [ 426.590755] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 426.595594] ? bpf_prog_test_run+0x130/0x1a0 [ 426.600021] ? __x64_sys_bpf+0x3db/0x520 [ 426.604086] ? bpf_prog_get+0x20/0x20 [ 426.607927] ? do_syscall_64+0x1b9/0x820 [ 426.611985] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 426.617353] ? syscall_return_slowpath+0x5e0/0x5e0 [ 426.622305] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.627321] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 426.632340] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 426.639001] ? __switch_to_asm+0x40/0x70 [ 426.643052] ? __switch_to_asm+0x34/0x70 [ 426.647118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.651999] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 426.657377] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 426.657464] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.664301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.664306] Call Trace: [ 426.664324] dump_stack+0x244/0x39d [ 426.664346] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.670879] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.680168] warn_alloc.cold.116+0xb7/0x1bd [ 426.682737] syz-executor2 cpuset=syz2 mems_allowed=0 [ 426.686358] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.716259] ? lock_downgrade+0x900/0x900 [ 426.720430] ? trace_hardirqs_off+0xb8/0x310 [ 426.724861] ? trace_hardirqs_off+0xb8/0x310 [ 426.729277] __alloc_pages_slowpath+0x26e8/0x2e10 [ 426.734144] ? warn_alloc+0x120/0x120 [ 426.737945] ? print_usage_bug+0xc0/0xc0 [ 426.742001] ? warn_alloc+0x120/0x120 [ 426.745804] ? warn_alloc+0x120/0x120 [ 426.749617] ? print_usage_bug+0xc0/0xc0 [ 426.753677] ? print_usage_bug+0xc0/0xc0 [ 426.757762] ? __lock_acquire+0x62f/0x4c20 [ 426.761998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.767533] ? should_fail+0x22d/0xd01 [ 426.771424] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.776530] ? __lock_acquire+0x62f/0x4c20 [ 426.780780] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.785890] ? __lock_acquire+0x62f/0x4c20 [ 426.790121] ? should_fail+0x22d/0xd01 [ 426.794002] ? find_held_lock+0x36/0x1c0 [ 426.798065] ? mark_held_locks+0x130/0x130 [ 426.802302] ? mark_held_locks+0x130/0x130 [ 426.806547] ? zap_class+0x640/0x640 [ 426.810257] ? zap_class+0x640/0x640 [ 426.813973] ? print_usage_bug+0xc0/0xc0 [ 426.818031] ? do_raw_spin_unlock+0xa7/0x330 [ 426.822443] ? zap_class+0x640/0x640 [ 426.826155] ? print_usage_bug+0xc0/0xc0 [ 426.830238] ? wq_watchdog_touch+0x9c/0xfe [ 426.834480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.840023] ? check_preemption_disabled+0x48/0x280 [ 426.845062] ? __lock_is_held+0xb5/0x140 [ 426.849127] __alloc_pages_nodemask+0xa80/0xde0 [ 426.853792] ? zap_class+0x640/0x640 [ 426.857510] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 426.862548] ? find_held_lock+0x36/0x1c0 [ 426.866616] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.871287] ? lock_downgrade+0x900/0x900 [ 426.875442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.880983] cache_grow_begin+0xa5/0x8c0 [ 426.885054] ? do_raw_spin_unlock+0xa7/0x330 [ 426.889486] fallback_alloc+0x204/0x2e0 [ 426.893470] ____cache_alloc_node+0x1c7/0x1e0 [ 426.897971] kmem_cache_alloc_node+0xe3/0x730 [ 426.902471] ? ipv6_get_ifaddr+0x42e/0x620 [ 426.906719] __alloc_skb+0x119/0x770 [ 426.910436] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.915736] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.920146] ? lock_downgrade+0x900/0x900 [ 426.924306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.929847] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.935301] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.940751] ? addrconf_rs_timer+0x690/0x690 [ 426.945176] ndisc_alloc_skb+0x144/0x340 [ 426.949250] ndisc_send_rs+0x331/0x6e0 [ 426.953145] addrconf_rs_timer+0x314/0x690 [ 426.957385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.961633] call_timer_fn+0x272/0x920 [ 426.965518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.969771] ? process_timeout+0x40/0x40 [ 426.973840] ? __run_timers+0x7da/0xc70 [ 426.977818] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.982310] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.986804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.991046] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.995630] ? trace_hardirqs_on+0xbd/0x310 [ 426.999952] ? kasan_check_read+0x11/0x20 [ 427.004101] ? __run_timers+0x7da/0xc70 [ 427.008080] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.013197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.017436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.021684] __run_timers+0x7e5/0xc70 [ 427.025500] ? timer_fixup_init+0x70/0x70 [ 427.029650] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.034139] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.038632] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 427.043218] ? trace_hardirqs_on+0xbd/0x310 [ 427.047550] ? kasan_check_read+0x11/0x20 [ 427.051715] ? finish_task_switch+0x1f4/0x910 [ 427.056258] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.061398] ? compat_start_thread+0x80/0x80 [ 427.065870] ? pvclock_read_flags+0x160/0x160 [ 427.070366] ? __switch_to_asm+0x34/0x70 [ 427.074443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.079993] ? check_preemption_disabled+0x48/0x280 [ 427.085020] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 427.090560] ? rcu_pm_notify+0xc0/0xc0 [ 427.094454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.099994] ? check_preemption_disabled+0x48/0x280 [ 427.105033] run_timer_softirq+0x52/0xb0 [ 427.109112] ? rcu_read_lock_sched_held+0x14f/0x180 [ 427.114129] __do_softirq+0x308/0xb7e [ 427.117942] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 427.123055] ? smpboot_thread_fn+0x334/0xa00 [ 427.127474] ? schedule+0x108/0x460 [ 427.131112] ? trace_hardirqs_off+0xb8/0x310 [ 427.135557] ? smpboot_thread_fn+0x68b/0xa00 [ 427.139969] ? trace_hardirqs_on+0x310/0x310 [ 427.144381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.149925] ? check_preemption_disabled+0x48/0x280 [ 427.154952] ? takeover_tasklets+0xa90/0xa90 [ 427.159364] run_ksoftirqd+0x5e/0x100 [ 427.163167] smpboot_thread_fn+0x68b/0xa00 [ 427.167411] ? sort_range+0x30/0x30 [ 427.171041] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.176144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.181704] ? __kthread_parkme+0xfb/0x1a0 [ 427.185944] ? sort_range+0x30/0x30 [ 427.189575] kthread+0x35a/0x440 [ 427.192941] ? kthread_stop+0x900/0x900 [ 427.196912] ret_from_fork+0x3a/0x50 [ 427.200641] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 427.200646] warn_alloc_show_mem: 1 callbacks suppressed [ 427.200653] Mem-Info: [ 427.208002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.213384] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 427.213384] active_file:15 inactive_file:12 isolated_file:0 [ 427.213384] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.213384] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 427.213384] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 427.213384] free:13769 free_pcp:294 free_cma:0 [ 427.215762] Call Trace: [ 427.225141] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.258243] [ 427.260806] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 427.288653] dump_stack+0x244/0x39d [ 427.290774] lowmem_reserve[]: 0 2818 6321 6321 [ 427.316899] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.320506] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 427.325092] warn_alloc.cold.116+0xb7/0x1bd [ 427.330252] lowmem_reserve[]: 0 0 3503 3503 [ 427.357659] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.361974] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 427.366293] ? lock_downgrade+0x900/0x900 [ 427.371109] lowmem_reserve[]: 0 0 0 0 [ 427.400169] ? trace_hardirqs_off+0xb8/0x310 [ 427.404293] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 427.408105] ? trace_hardirqs_off+0xb8/0x310 [ 427.412484] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 427.425999] __alloc_pages_slowpath+0x26e8/0x2e10 [ 427.430375] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 427.445907] ? warn_alloc+0x120/0x120 [ 427.450714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 427.465439] ? print_usage_bug+0xc0/0xc0 [ 427.469235] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 427.478068] ? warn_alloc+0x120/0x120 [ 427.482103] 12557 total pagecache pages [ 427.490667] ? warn_alloc+0x120/0x120 [ 427.494444] 0 pages in swap cache [ 427.498403] ? print_usage_bug+0xc0/0xc0 [ 427.502216] Swap cache stats: add 0, delete 0, find 0/0 [ 427.505678] ? print_usage_bug+0xc0/0xc0 [ 427.509718] Free swap = 0kB [ 427.515075] ? __lock_acquire+0x62f/0x4c20 [ 427.519112] Total swap = 0kB [ 427.522125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.526364] 1965979 pages RAM [ 427.529390] ? should_fail+0x22d/0xd01 [ 427.534900] 0 pages HighMem/MovableOnly [ 427.537999] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.541862] 342853 pages reserved [ 427.545826] ? __lock_acquire+0x62f/0x4c20 [ 427.550902] 0 pages cma reserved [ 427.554346] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.558617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 427.561907] ? __lock_acquire+0x62f/0x4c20 [ 427.561919] ? should_fail+0x22d/0xd01 [ 427.561938] ? find_held_lock+0x36/0x1c0 [ 427.567076] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.573511] ? mark_held_locks+0x130/0x130 [ 427.577723] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 427.581603] ? mark_held_locks+0x130/0x130 [ 427.609034] ? zap_class+0x640/0x640 [ 427.612744] ? zap_class+0x640/0x640 [ 427.616458] ? print_usage_bug+0xc0/0xc0 [ 427.620522] ? do_raw_spin_unlock+0xa7/0x330 [ 427.624930] ? zap_class+0x640/0x640 [ 427.628659] ? print_usage_bug+0xc0/0xc0 [ 427.632749] ? wq_watchdog_touch+0x9c/0xfe [ 427.637022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.642572] ? check_preemption_disabled+0x48/0x280 [ 427.647606] ? __lock_is_held+0xb5/0x140 [ 427.651666] __alloc_pages_nodemask+0xa80/0xde0 [ 427.656328] ? zap_class+0x640/0x640 [ 427.660073] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 427.665101] ? find_held_lock+0x36/0x1c0 [ 427.669194] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.673897] ? lock_downgrade+0x900/0x900 [ 427.678056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.683596] cache_grow_begin+0xa5/0x8c0 [ 427.687655] ? do_raw_spin_unlock+0xa7/0x330 [ 427.692070] fallback_alloc+0x204/0x2e0 [ 427.696051] ____cache_alloc_node+0x1c7/0x1e0 [ 427.700580] kmem_cache_alloc_node+0xe3/0x730 [ 427.705072] ? ipv6_get_ifaddr+0x42e/0x620 [ 427.709325] __alloc_skb+0x119/0x770 [ 427.713068] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.718366] ? netdev_alloc_frag+0x1f0/0x1f0 [ 427.722777] ? lock_downgrade+0x900/0x900 [ 427.726960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.732494] ? refcount_sub_and_test_checked+0x203/0x310 [ 427.737948] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 427.743394] ? addrconf_rs_timer+0x690/0x690 [ 427.747822] ndisc_alloc_skb+0x144/0x340 [ 427.751898] ndisc_send_rs+0x331/0x6e0 [ 427.755801] addrconf_rs_timer+0x314/0x690 [ 427.760040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.764320] call_timer_fn+0x272/0x920 [ 427.768215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.772444] ? process_timeout+0x40/0x40 [ 427.776505] ? __run_timers+0x7da/0xc70 [ 427.780477] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.784966] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.789455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.793700] ? lockdep_hardirqs_on+0x296/0x5b0 [ 427.798285] ? trace_hardirqs_on+0xbd/0x310 [ 427.802643] ? kasan_check_read+0x11/0x20 [ 427.806806] ? __run_timers+0x7da/0xc70 [ 427.810779] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.815886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.820130] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.824379] __run_timers+0x7e5/0xc70 [ 427.828201] ? timer_fixup_init+0x70/0x70 [ 427.832350] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 427.837365] ? zap_class+0x640/0x640 [ 427.841081] ? enqueue_hrtimer+0x1a5/0x560 [ 427.845318] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 427.850521] ? find_held_lock+0x36/0x1c0 [ 427.854586] ? zap_class+0x640/0x640 [ 427.858357] ? pvclock_read_flags+0x160/0x160 [ 427.862870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.868411] ? check_preemption_disabled+0x48/0x280 [ 427.873437] ? __lock_is_held+0xb5/0x140 [ 427.877518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.883067] ? check_preemption_disabled+0x48/0x280 [ 427.888118] run_timer_softirq+0x52/0xb0 [ 427.892183] ? rcu_read_lock_sched_held+0x14f/0x180 [ 427.897227] __do_softirq+0x308/0xb7e [ 427.901032] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 427.905527] ? lock_downgrade+0x900/0x900 [ 427.909694] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 427.914819] ? pvclock_read_flags+0x160/0x160 [ 427.919318] ? lapic_next_event+0x5a/0x90 [ 427.923469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.929015] ? kvm_clock_read+0x18/0x30 [ 427.933017] ? kvm_sched_clock_read+0x9/0x20 [ 427.937427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.942969] ? check_preemption_disabled+0x48/0x280 [ 427.947991] irq_exit+0x17f/0x1c0 [ 427.951446] smp_apic_timer_interrupt+0x1cb/0x760 [ 427.956288] ? smp_reschedule_interrupt+0x109/0x650 [ 427.961305] ? smp_call_function_single_interrupt+0x650/0x650 [ 427.967215] ? interrupt_entry+0xb5/0xc0 [ 427.971279] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.976298] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.981318] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.986159] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.991183] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.996244] ? task_prio+0x50/0x50 [ 427.999787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.005325] ? check_preemption_disabled+0x48/0x280 [ 428.010350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.015217] apic_timer_interrupt+0xf/0x20 [ 428.019452] [ 428.021688] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 428.027591] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 428.046487] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 428.054235] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 428.061501] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 428.068784] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 428.076047] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 428.083317] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 428.090608] ? save_stack+0xa9/0xd0 [ 428.094242] __kmalloc_node_track_caller+0x3c/0x70 [ 428.099171] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 428.103940] pskb_expand_head+0x230/0x10f0 [ 428.108177] ? check_preemption_disabled+0x48/0x280 [ 428.113231] ? memcpy+0x45/0x50 [ 428.116512] ? __copy_skb_header+0x350/0x6b0 [ 428.120922] ? skb_release_data+0x880/0x880 [ 428.125243] ? __alloc_skb+0x770/0x770 [ 428.129139] ? __lock_is_held+0xb5/0x140 [ 428.133222] ? kasan_check_write+0x14/0x20 [ 428.137459] ? __skb_clone+0x6c7/0xa00 [ 428.141365] ? __copy_skb_header+0x6b0/0x6b0 [ 428.145809] ? kmem_cache_alloc+0x33a/0x730 [ 428.150130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.155684] skb_ensure_writable+0x3dd/0x640 [ 428.160093] ? skb_checksum_setup+0xaa0/0xaa0 [ 428.164637] ? preempt_notifier_register+0x200/0x200 [ 428.169748] ? __switch_to_asm+0x34/0x70 [ 428.173823] ? __switch_to_asm+0x34/0x70 [ 428.177885] ? __switch_to_asm+0x40/0x70 [ 428.181942] ? __switch_to_asm+0x34/0x70 [ 428.185998] ? __switch_to_asm+0x40/0x70 [ 428.190060] ? __switch_to_asm+0x40/0x70 [ 428.194132] ? __switch_to_asm+0x34/0x70 [ 428.198245] ? __switch_to_asm+0x34/0x70 [ 428.202300] ? __switch_to_asm+0x40/0x70 [ 428.206357] ? __switch_to_asm+0x34/0x70 [ 428.210429] bpf_clone_redirect+0x14a/0x490 [ 428.215264] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 428.220317] ? __sched_text_start+0x8/0x8 [ 428.224465] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 428.229243] ? find_held_lock+0x36/0x1c0 [ 428.233310] ? lock_acquire+0x1ed/0x520 [ 428.237282] ? bpf_test_run+0x3cb/0x780 [ 428.241257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.246807] ? check_preemption_disabled+0x48/0x280 [ 428.251829] ? kasan_check_read+0x11/0x20 [ 428.255992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.261286] ? rcu_softirq_qs+0x20/0x20 [ 428.265262] ? preempt_schedule+0x4d/0x60 [ 428.269429] ? ___preempt_schedule+0x16/0x18 [ 428.273848] ? bpf_test_run+0x25d/0x780 [ 428.277829] ? netlink_diag_dump+0x2a0/0x2a0 [ 428.282280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.287814] ? bpf_test_init.isra.10+0x70/0x100 [ 428.292486] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 428.297251] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 428.302090] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 428.307629] ? fput+0x130/0x1a0 [ 428.310924] ? __bpf_prog_get+0x9b/0x290 [ 428.315018] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 428.319860] ? bpf_prog_test_run+0x130/0x1a0 [ 428.324272] ? __x64_sys_bpf+0x3db/0x520 [ 428.328332] ? bpf_prog_get+0x20/0x20 [ 428.332159] ? do_syscall_64+0x1b9/0x820 [ 428.336228] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 428.341613] ? syscall_return_slowpath+0x5e0/0x5e0 [ 428.346543] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.351561] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 428.356591] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 428.363272] ? __switch_to_asm+0x40/0x70 [ 428.367343] ? __switch_to_asm+0x34/0x70 [ 428.371410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.376263] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 428.381643] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 428.381703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.388564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.388569] Call Trace: [ 428.388587] dump_stack+0x244/0x39d [ 428.388606] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.388632] warn_alloc.cold.116+0xb7/0x1bd [ 428.395173] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.404446] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.407007] syz-executor2 cpuset=syz2 mems_allowed=0 [ 428.410624] ? lock_downgrade+0x900/0x900 [ 428.444623] ? trace_hardirqs_off+0xb8/0x310 [ 428.449036] ? trace_hardirqs_off+0xb8/0x310 [ 428.453482] __alloc_pages_slowpath+0x26e8/0x2e10 [ 428.458363] ? warn_alloc+0x120/0x120 [ 428.462163] ? print_usage_bug+0xc0/0xc0 [ 428.466229] ? warn_alloc+0x120/0x120 [ 428.470032] ? warn_alloc+0x120/0x120 [ 428.473837] ? print_usage_bug+0xc0/0xc0 [ 428.477927] ? print_usage_bug+0xc0/0xc0 [ 428.481985] ? __lock_acquire+0x62f/0x4c20 [ 428.486253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.491800] ? should_fail+0x22d/0xd01 [ 428.495709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.500825] ? __lock_acquire+0x62f/0x4c20 [ 428.505059] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.510159] ? __lock_acquire+0x62f/0x4c20 [ 428.514414] ? should_fail+0x22d/0xd01 [ 428.518307] ? find_held_lock+0x36/0x1c0 [ 428.522381] ? mark_held_locks+0x130/0x130 [ 428.526624] ? mark_held_locks+0x130/0x130 [ 428.530859] ? zap_class+0x640/0x640 [ 428.534575] ? zap_class+0x640/0x640 [ 428.538294] ? print_usage_bug+0xc0/0xc0 [ 428.542357] ? do_raw_spin_unlock+0xa7/0x330 [ 428.546764] ? zap_class+0x640/0x640 [ 428.550480] ? print_usage_bug+0xc0/0xc0 [ 428.554541] ? wq_watchdog_touch+0x9c/0xfe [ 428.558790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.564331] ? check_preemption_disabled+0x48/0x280 [ 428.569362] ? __lock_is_held+0xb5/0x140 [ 428.573432] __alloc_pages_nodemask+0xa80/0xde0 [ 428.578099] ? zap_class+0x640/0x640 [ 428.581815] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 428.586840] ? find_held_lock+0x36/0x1c0 [ 428.590946] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.595616] ? lock_downgrade+0x900/0x900 [ 428.599772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.605311] cache_grow_begin+0xa5/0x8c0 [ 428.609372] ? do_raw_spin_unlock+0xa7/0x330 [ 428.613799] fallback_alloc+0x204/0x2e0 [ 428.617795] ____cache_alloc_node+0x1c7/0x1e0 [ 428.622311] kmem_cache_alloc_node+0xe3/0x730 [ 428.626819] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.631063] __alloc_skb+0x119/0x770 [ 428.634774] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.640054] ? netdev_alloc_frag+0x1f0/0x1f0 [ 428.644456] ? lock_downgrade+0x900/0x900 [ 428.648624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.654178] ? refcount_sub_and_test_checked+0x203/0x310 [ 428.659656] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 428.665120] ? addrconf_rs_timer+0x690/0x690 [ 428.669557] ndisc_alloc_skb+0x144/0x340 [ 428.673634] ndisc_send_rs+0x331/0x6e0 [ 428.677538] addrconf_rs_timer+0x314/0x690 [ 428.681774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.686016] call_timer_fn+0x272/0x920 [ 428.689903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.694139] ? process_timeout+0x40/0x40 [ 428.698209] ? __run_timers+0x7da/0xc70 [ 428.702191] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.706682] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.711173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.715425] ? lockdep_hardirqs_on+0x296/0x5b0 [ 428.720002] ? trace_hardirqs_on+0xbd/0x310 [ 428.724332] ? kasan_check_read+0x11/0x20 [ 428.728476] ? __run_timers+0x7da/0xc70 [ 428.732449] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.737594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.741844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.746084] __run_timers+0x7e5/0xc70 [ 428.749891] ? timer_fixup_init+0x70/0x70 [ 428.754047] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.758554] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.763075] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 428.767669] ? trace_hardirqs_on+0xbd/0x310 [ 428.772007] ? kasan_check_read+0x11/0x20 [ 428.776170] ? finish_task_switch+0x1f4/0x910 [ 428.780676] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.785778] ? compat_start_thread+0x80/0x80 [ 428.790220] ? pvclock_read_flags+0x160/0x160 [ 428.794746] ? __switch_to_asm+0x34/0x70 [ 428.798820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.804356] ? check_preemption_disabled+0x48/0x280 [ 428.809383] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 428.814967] ? rcu_pm_notify+0xc0/0xc0 [ 428.818869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.824403] ? check_preemption_disabled+0x48/0x280 [ 428.829423] run_timer_softirq+0x52/0xb0 [ 428.833485] ? rcu_read_lock_sched_held+0x14f/0x180 [ 428.838542] __do_softirq+0x308/0xb7e [ 428.842354] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 428.847459] ? smpboot_thread_fn+0x334/0xa00 [ 428.851870] ? schedule+0x108/0x460 [ 428.855501] ? trace_hardirqs_off+0xb8/0x310 [ 428.859907] ? smpboot_thread_fn+0x68b/0xa00 [ 428.864333] ? trace_hardirqs_on+0x310/0x310 [ 428.868769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.874323] ? check_preemption_disabled+0x48/0x280 [ 428.879337] ? takeover_tasklets+0xa90/0xa90 [ 428.883745] run_ksoftirqd+0x5e/0x100 [ 428.887544] smpboot_thread_fn+0x68b/0xa00 [ 428.891779] ? sort_range+0x30/0x30 [ 428.895420] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.900521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.906056] ? __kthread_parkme+0xfb/0x1a0 [ 428.910297] ? sort_range+0x30/0x30 [ 428.913920] kthread+0x35a/0x440 [ 428.917287] ? kthread_stop+0x900/0x900 [ 428.921282] ret_from_fork+0x3a/0x50 [ 428.925016] warn_alloc_show_mem: 1 callbacks suppressed [ 428.925028] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 428.925029] Mem-Info: [ 428.925061] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 428.925061] active_file:15 inactive_file:12 isolated_file:0 [ 428.925061] unevictable:0 dirty:0 writeback:0 unstable:0 [ 428.925061] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 428.925061] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 428.925061] free:13769 free_pcp:294 free_cma:0 [ 428.930397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.937761] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 428.940161] Call Trace: [ 428.973280] 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 [ 428.982617] [ 429.010458] lowmem_reserve[]: 0 2818 6321 6321 [ 429.013035] dump_stack+0x244/0x39d [ 429.039117] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 429.041262] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.045816] lowmem_reserve[]: 0 0 3503 3503 [ 429.049470] warn_alloc.cold.116+0xb7/0x1bd [ 429.076848] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 429.082044] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.086361] lowmem_reserve[]: 0 0 0 0 [ 429.090689] ? lock_downgrade+0x900/0x900 [ 429.119726] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 429.124565] ? trace_hardirqs_off+0xb8/0x310 [ 429.128337] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 429.132479] ? trace_hardirqs_off+0xb8/0x310 [ 429.145970] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 429.150416] __alloc_pages_slowpath+0x26e8/0x2e10 [ 429.165955] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 429.170373] ? warn_alloc+0x120/0x120 [ 429.185066] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 429.189893] ? print_usage_bug+0xc0/0xc0 [ 429.198704] 12557 total pagecache pages [ 429.202492] ? warn_alloc+0x120/0x120 [ 429.211046] 0 pages in swap cache [ 429.215128] ? warn_alloc+0x120/0x120 [ 429.219078] Swap cache stats: add 0, delete 0, find 0/0 [ 429.222866] ? print_usage_bug+0xc0/0xc0 [ 429.226302] Free swap = 0kB [ 429.230090] ? kvm_clock_read+0x18/0x30 [ 429.235423] Total swap = 0kB [ 429.239488] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 429.242498] 1965979 pages RAM [ 429.246459] ? print_usage_bug+0xc0/0xc0 [ 429.249452] 0 pages HighMem/MovableOnly [ 429.254460] ? __lock_acquire+0x62f/0x4c20 [ 429.257555] 342853 pages reserved [ 429.261608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.265553] 0 pages cma reserved [ 429.269782] ? should_fail+0x22d/0xd01 [ 429.273271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 429.278730] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.278762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.282181] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.285983] ? __lock_acquire+0x62f/0x4c20 [ 429.292447] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 429.297724] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.327057] ? __lock_acquire+0x62f/0x4c20 [ 429.331303] ? should_fail+0x22d/0xd01 [ 429.335202] ? rcu_irq_exit+0x1a2/0x390 [ 429.339194] ? mark_held_locks+0x130/0x130 [ 429.343569] ? mark_held_locks+0x130/0x130 [ 429.347845] ? mark_held_locks+0xc7/0x130 [ 429.351989] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 429.357007] ? zap_class+0x640/0x640 [ 429.360719] ? print_usage_bug+0xc0/0xc0 [ 429.364796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.370333] ? check_preemption_disabled+0x48/0x280 [ 429.375356] ? __lock_is_held+0xb5/0x140 [ 429.379424] __alloc_pages_nodemask+0xa80/0xde0 [ 429.384092] ? zap_class+0x640/0x640 [ 429.387808] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 429.392832] ? find_held_lock+0x36/0x1c0 [ 429.396904] ? ____cache_alloc_node+0x1c7/0x1e0 [ 429.401570] ? lock_downgrade+0x900/0x900 [ 429.405720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.411276] cache_grow_begin+0xa5/0x8c0 [ 429.415348] ? do_raw_spin_unlock+0xa7/0x330 [ 429.419791] fallback_alloc+0x204/0x2e0 [ 429.423775] ____cache_alloc_node+0x1c7/0x1e0 [ 429.428272] kmem_cache_alloc_node+0xe3/0x730 [ 429.432771] ? ipv6_get_ifaddr+0x42e/0x620 [ 429.437014] __alloc_skb+0x119/0x770 [ 429.440729] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.446008] ? netdev_alloc_frag+0x1f0/0x1f0 [ 429.450414] ? lock_downgrade+0x900/0x900 [ 429.454564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.460102] ? refcount_sub_and_test_checked+0x203/0x310 [ 429.465573] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 429.471021] ? addrconf_rs_timer+0x690/0x690 [ 429.475456] ndisc_alloc_skb+0x144/0x340 [ 429.479523] ndisc_send_rs+0x331/0x6e0 [ 429.483417] addrconf_rs_timer+0x314/0x690 [ 429.487656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.491897] call_timer_fn+0x272/0x920 [ 429.495783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.500016] ? process_timeout+0x40/0x40 [ 429.504081] ? __run_timers+0x7da/0xc70 [ 429.508056] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.512550] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.517042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.521282] ? lockdep_hardirqs_on+0x296/0x5b0 [ 429.525867] ? trace_hardirqs_on+0xbd/0x310 [ 429.530201] ? kasan_check_read+0x11/0x20 [ 429.534347] ? __run_timers+0x7da/0xc70 [ 429.538325] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.543435] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.547690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.551921] __run_timers+0x7e5/0xc70 [ 429.555730] ? timer_fixup_init+0x70/0x70 [ 429.559883] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.564902] ? zap_class+0x640/0x640 [ 429.568634] ? enqueue_hrtimer+0x1a5/0x560 [ 429.572874] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 429.578081] ? find_held_lock+0x36/0x1c0 [ 429.582143] ? zap_class+0x640/0x640 [ 429.585874] ? pvclock_read_flags+0x160/0x160 [ 429.590370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.595909] ? check_preemption_disabled+0x48/0x280 [ 429.600963] ? __lock_is_held+0xb5/0x140 [ 429.605021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.610555] ? check_preemption_disabled+0x48/0x280 [ 429.615575] run_timer_softirq+0x52/0xb0 [ 429.619640] ? rcu_read_lock_sched_held+0x14f/0x180 [ 429.624652] __do_softirq+0x308/0xb7e [ 429.628451] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 429.632940] ? lock_downgrade+0x900/0x900 [ 429.637123] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 429.642236] ? pvclock_read_flags+0x160/0x160 [ 429.646733] ? lapic_next_event+0x5a/0x90 [ 429.650899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.656451] ? kvm_clock_read+0x18/0x30 [ 429.660421] ? kvm_sched_clock_read+0x9/0x20 [ 429.664831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.670366] ? check_preemption_disabled+0x48/0x280 [ 429.675395] irq_exit+0x17f/0x1c0 [ 429.678852] smp_apic_timer_interrupt+0x1cb/0x760 [ 429.683694] ? smp_reschedule_interrupt+0x109/0x650 [ 429.688708] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.694607] ? interrupt_entry+0xb5/0xc0 [ 429.698670] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.703681] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.708699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.713597] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.718614] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.723644] ? task_prio+0x50/0x50 [ 429.727193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.732745] ? check_preemption_disabled+0x48/0x280 [ 429.737771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.742623] apic_timer_interrupt+0xf/0x20 [ 429.746851] [ 429.749104] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 429.754988] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 429.773901] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 429.781601] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 429.788878] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 429.796141] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 429.803404] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 429.810665] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 429.817988] ? save_stack+0xa9/0xd0 [ 429.821629] __kmalloc_node_track_caller+0x3c/0x70 [ 429.826561] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 429.831319] pskb_expand_head+0x230/0x10f0 [ 429.835555] ? check_preemption_disabled+0x48/0x280 [ 429.840573] ? memcpy+0x45/0x50 [ 429.843863] ? __copy_skb_header+0x350/0x6b0 [ 429.848273] ? skb_release_data+0x880/0x880 [ 429.852593] ? __alloc_skb+0x770/0x770 [ 429.856492] ? __lock_is_held+0xb5/0x140 [ 429.860561] ? kasan_check_write+0x14/0x20 [ 429.864825] ? __skb_clone+0x6c7/0xa00 [ 429.868713] ? __copy_skb_header+0x6b0/0x6b0 [ 429.873120] ? kmem_cache_alloc+0x33a/0x730 [ 429.877445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.883006] skb_ensure_writable+0x3dd/0x640 [ 429.887415] ? skb_checksum_setup+0xaa0/0xaa0 [ 429.891915] ? preempt_notifier_register+0x200/0x200 [ 429.897015] ? __switch_to_asm+0x34/0x70 [ 429.901073] ? __switch_to_asm+0x34/0x70 [ 429.905147] ? __switch_to_asm+0x40/0x70 [ 429.909217] ? __switch_to_asm+0x34/0x70 [ 429.913278] ? __switch_to_asm+0x40/0x70 [ 429.917334] ? __switch_to_asm+0x40/0x70 [ 429.921394] ? __switch_to_asm+0x34/0x70 [ 429.925460] ? __switch_to_asm+0x34/0x70 [ 429.929522] ? __switch_to_asm+0x40/0x70 [ 429.933587] ? __switch_to_asm+0x34/0x70 [ 429.937657] bpf_clone_redirect+0x14a/0x490 [ 429.941987] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 429.947011] ? __sched_text_start+0x8/0x8 [ 429.951154] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.955928] ? find_held_lock+0x36/0x1c0 [ 429.960014] ? lock_acquire+0x1ed/0x520 [ 429.963989] ? bpf_test_run+0x3cb/0x780 [ 429.967962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.973503] ? check_preemption_disabled+0x48/0x280 [ 429.978526] ? kasan_check_read+0x11/0x20 [ 429.982676] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.987954] ? rcu_softirq_qs+0x20/0x20 [ 429.991925] ? preempt_schedule+0x4d/0x60 [ 429.996070] ? ___preempt_schedule+0x16/0x18 [ 430.000487] ? bpf_test_run+0x25d/0x780 [ 430.004475] ? netlink_diag_dump+0x2a0/0x2a0 [ 430.008885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.014424] ? bpf_test_init.isra.10+0x70/0x100 [ 430.019099] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 430.023863] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 430.028705] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.034258] ? fput+0x130/0x1a0 [ 430.037542] ? __bpf_prog_get+0x9b/0x290 [ 430.041609] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 430.046449] ? bpf_prog_test_run+0x130/0x1a0 [ 430.050863] ? __x64_sys_bpf+0x3db/0x520 [ 430.054923] ? bpf_prog_get+0x20/0x20 [ 430.058744] ? do_syscall_64+0x1b9/0x820 [ 430.062800] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 430.068175] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.073115] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.078132] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 430.083149] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 430.089828] ? __switch_to_asm+0x40/0x70 [ 430.093882] ? __switch_to_asm+0x34/0x70 [ 430.097946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.102792] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 430.108208] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 430.108279] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 430.115131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.115136] Call Trace: [ 430.115153] dump_stack+0x244/0x39d [ 430.115176] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.121710] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.131011] warn_alloc.cold.116+0xb7/0x1bd [ 430.133561] syz-executor2 cpuset=syz2 mems_allowed=0 [ 430.137218] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.167095] ? lock_downgrade+0x900/0x900 [ 430.171249] ? trace_hardirqs_off+0xb8/0x310 [ 430.175683] ? trace_hardirqs_off+0xb8/0x310 [ 430.180105] __alloc_pages_slowpath+0x26e8/0x2e10 [ 430.184990] ? warn_alloc+0x120/0x120 [ 430.188791] ? print_usage_bug+0xc0/0xc0 [ 430.192852] ? warn_alloc+0x120/0x120 [ 430.196659] ? warn_alloc+0x120/0x120 [ 430.200461] ? print_usage_bug+0xc0/0xc0 [ 430.204528] ? print_usage_bug+0xc0/0xc0 [ 430.208597] ? __lock_acquire+0x62f/0x4c20 [ 430.213118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.218656] ? should_fail+0x22d/0xd01 [ 430.222545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.227649] ? __lock_acquire+0x62f/0x4c20 [ 430.231886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.237003] ? __lock_acquire+0x62f/0x4c20 [ 430.241233] ? should_fail+0x22d/0xd01 [ 430.245113] ? find_held_lock+0x36/0x1c0 [ 430.249182] ? mark_held_locks+0x130/0x130 [ 430.253462] ? mark_held_locks+0x130/0x130 [ 430.257711] ? zap_class+0x640/0x640 [ 430.261463] ? mark_held_locks+0xc7/0x130 [ 430.265626] ? do_raw_spin_unlock+0xa7/0x330 [ 430.270034] ? zap_class+0x640/0x640 [ 430.273746] ? print_usage_bug+0xc0/0xc0 [ 430.277824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.283358] ? check_preemption_disabled+0x48/0x280 [ 430.288380] ? __lock_is_held+0xb5/0x140 [ 430.292443] __alloc_pages_nodemask+0xa80/0xde0 [ 430.297114] ? zap_class+0x640/0x640 [ 430.300833] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 430.305859] ? find_held_lock+0x36/0x1c0 [ 430.309931] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.314598] ? lock_downgrade+0x900/0x900 [ 430.318753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.324297] cache_grow_begin+0xa5/0x8c0 [ 430.328355] ? do_raw_spin_unlock+0xa7/0x330 [ 430.332773] fallback_alloc+0x204/0x2e0 [ 430.336755] ____cache_alloc_node+0x1c7/0x1e0 [ 430.341271] kmem_cache_alloc_node+0xe3/0x730 [ 430.345767] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.350010] __alloc_skb+0x119/0x770 [ 430.353732] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.359010] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.363421] ? lock_downgrade+0x900/0x900 [ 430.367580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.373130] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.378597] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.384045] ? addrconf_rs_timer+0x690/0x690 [ 430.388470] ndisc_alloc_skb+0x144/0x340 [ 430.392543] ndisc_send_rs+0x331/0x6e0 [ 430.396450] addrconf_rs_timer+0x314/0x690 [ 430.400712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.404960] call_timer_fn+0x272/0x920 [ 430.408850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.413085] ? process_timeout+0x40/0x40 [ 430.417152] ? __run_timers+0x7da/0xc70 [ 430.421138] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.425629] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.430125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.434360] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.438975] ? trace_hardirqs_on+0xbd/0x310 [ 430.443299] ? kasan_check_read+0x11/0x20 [ 430.447444] ? __run_timers+0x7da/0xc70 [ 430.451424] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.456532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.460769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.465002] __run_timers+0x7e5/0xc70 [ 430.468813] ? timer_fixup_init+0x70/0x70 [ 430.472960] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.477453] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.481946] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 430.486526] ? trace_hardirqs_on+0xbd/0x310 [ 430.490841] ? kasan_check_read+0x11/0x20 [ 430.495031] ? finish_task_switch+0x1f4/0x910 [ 430.499527] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.504627] ? compat_start_thread+0x80/0x80 [ 430.509057] ? pvclock_read_flags+0x160/0x160 [ 430.513547] ? __switch_to_asm+0x34/0x70 [ 430.517608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.523143] ? check_preemption_disabled+0x48/0x280 [ 430.528170] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 430.533722] ? rcu_pm_notify+0xc0/0xc0 [ 430.537615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.543166] ? check_preemption_disabled+0x48/0x280 [ 430.548202] run_timer_softirq+0x52/0xb0 [ 430.552266] ? rcu_read_lock_sched_held+0x14f/0x180 [ 430.557283] __do_softirq+0x308/0xb7e [ 430.561092] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 430.566198] ? smpboot_thread_fn+0x334/0xa00 [ 430.570610] ? schedule+0x108/0x460 [ 430.574281] ? trace_hardirqs_off+0xb8/0x310 [ 430.578683] ? smpboot_thread_fn+0x68b/0xa00 [ 430.583089] ? trace_hardirqs_on+0x310/0x310 [ 430.587495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.593029] ? check_preemption_disabled+0x48/0x280 [ 430.598042] ? takeover_tasklets+0xa90/0xa90 [ 430.602453] run_ksoftirqd+0x5e/0x100 [ 430.606279] smpboot_thread_fn+0x68b/0xa00 [ 430.610526] ? sort_range+0x30/0x30 [ 430.614149] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 430.619273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.624825] ? __kthread_parkme+0xfb/0x1a0 [ 430.629062] ? sort_range+0x30/0x30 [ 430.632707] kthread+0x35a/0x440 [ 430.636105] ? kthread_stop+0x900/0x900 [ 430.640085] ret_from_fork+0x3a/0x50 [ 430.643823] warn_alloc_show_mem: 1 callbacks suppressed [ 430.643835] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 430.643836] Mem-Info: [ 430.643866] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 430.643866] active_file:15 inactive_file:12 isolated_file:0 [ 430.643866] unevictable:0 dirty:0 writeback:0 unstable:0 [ 430.643866] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 430.643866] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 430.643866] free:13769 free_pcp:294 free_cma:0 [ 430.649206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.656566] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 430.658961] Call Trace: [ 430.692085] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 430.701424] [ 430.729250] lowmem_reserve[]: 0 2818 6321 6321 [ 430.731832] dump_stack+0x244/0x39d [ 430.757912] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 430.760056] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.764609] lowmem_reserve[]: 0 0 3503 3503 [ 430.768249] warn_alloc.cold.116+0xb7/0x1bd [ 430.795632] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 430.800815] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.805104] lowmem_reserve[]: 0 0 0 0 [ 430.809415] ? lock_downgrade+0x900/0x900 [ 430.838449] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 430.843303] ? trace_hardirqs_off+0xb8/0x310 [ 430.847090] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 430.851235] ? trace_hardirqs_off+0xb8/0x310 [ 430.864733] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 430.869135] __alloc_pages_slowpath+0x26e8/0x2e10 [ 430.884633] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 430.889044] ? warn_alloc+0x120/0x120 [ 430.903744] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 430.908574] ? print_usage_bug+0xc0/0xc0 [ 430.917384] 12557 total pagecache pages [ 430.921174] ? warn_alloc+0x120/0x120 [ 430.929734] 0 pages in swap cache [ 430.933781] ? warn_alloc+0x120/0x120 [ 430.937730] Swap cache stats: add 0, delete 0, find 0/0 [ 430.941518] ? print_usage_bug+0xc0/0xc0 [ 430.944950] Free swap = 0kB [ 430.948759] ? print_usage_bug+0xc0/0xc0 [ 430.954095] Total swap = 0kB [ 430.958147] ? __lock_acquire+0x62f/0x4c20 [ 430.961141] 1965979 pages RAM [ 430.965205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.968206] 0 pages HighMem/MovableOnly [ 430.972434] ? should_fail+0x22d/0xd01 [ 430.975517] 342853 pages reserved [ 430.981042] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.984990] 0 pages cma reserved [ 430.988871] ? __lock_acquire+0x62f/0x4c20 [ 430.992411] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 430.997406] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.000812] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.005009] ? __lock_acquire+0x62f/0x4c20 [ 431.011476] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 431.016572] ? should_fail+0x22d/0xd01 [ 431.039665] ? find_held_lock+0x36/0x1c0 [ 431.043750] ? mark_held_locks+0x130/0x130 [ 431.047990] ? mark_held_locks+0x130/0x130 [ 431.052239] ? zap_class+0x640/0x640 [ 431.055951] ? zap_class+0x640/0x640 [ 431.059668] ? print_usage_bug+0xc0/0xc0 [ 431.063727] ? do_raw_spin_unlock+0xa7/0x330 [ 431.068130] ? zap_class+0x640/0x640 [ 431.071844] ? print_usage_bug+0xc0/0xc0 [ 431.075896] ? wq_watchdog_touch+0x9c/0xfe [ 431.080131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.085664] ? check_preemption_disabled+0x48/0x280 [ 431.090686] ? __lock_is_held+0xb5/0x140 [ 431.094748] __alloc_pages_nodemask+0xa80/0xde0 [ 431.099416] ? zap_class+0x640/0x640 [ 431.103135] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 431.108162] ? find_held_lock+0x36/0x1c0 [ 431.112247] ? ____cache_alloc_node+0x1c7/0x1e0 [ 431.116918] ? lock_downgrade+0x900/0x900 [ 431.121069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.126613] cache_grow_begin+0xa5/0x8c0 [ 431.130670] ? do_raw_spin_unlock+0xa7/0x330 [ 431.135083] fallback_alloc+0x204/0x2e0 [ 431.139062] ____cache_alloc_node+0x1c7/0x1e0 [ 431.143563] kmem_cache_alloc_node+0xe3/0x730 [ 431.148075] ? ipv6_get_ifaddr+0x42e/0x620 [ 431.152319] __alloc_skb+0x119/0x770 [ 431.156028] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.161311] ? netdev_alloc_frag+0x1f0/0x1f0 [ 431.165733] ? lock_downgrade+0x900/0x900 [ 431.169886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.175419] ? refcount_sub_and_test_checked+0x203/0x310 [ 431.180874] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.186326] ? addrconf_rs_timer+0x690/0x690 [ 431.190744] ndisc_alloc_skb+0x144/0x340 [ 431.194810] ndisc_send_rs+0x331/0x6e0 [ 431.198698] addrconf_rs_timer+0x314/0x690 [ 431.202938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.207180] call_timer_fn+0x272/0x920 [ 431.211527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.215761] ? process_timeout+0x40/0x40 [ 431.219830] ? __run_timers+0x7da/0xc70 [ 431.223814] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.228305] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.232826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.237058] ? lockdep_hardirqs_on+0x296/0x5b0 [ 431.241634] ? trace_hardirqs_on+0xbd/0x310 [ 431.245947] ? kasan_check_read+0x11/0x20 [ 431.250090] ? __run_timers+0x7da/0xc70 [ 431.254061] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.259163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.263425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.267655] __run_timers+0x7e5/0xc70 [ 431.271462] ? timer_fixup_init+0x70/0x70 [ 431.275608] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 431.280637] ? zap_class+0x640/0x640 [ 431.284368] ? enqueue_hrtimer+0x1a5/0x560 [ 431.288603] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 431.293814] ? find_held_lock+0x36/0x1c0 [ 431.297893] ? zap_class+0x640/0x640 [ 431.301624] ? pvclock_read_flags+0x160/0x160 [ 431.306120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.311671] ? check_preemption_disabled+0x48/0x280 [ 431.316700] ? __lock_is_held+0xb5/0x140 [ 431.320765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.326322] ? check_preemption_disabled+0x48/0x280 [ 431.331343] run_timer_softirq+0x52/0xb0 [ 431.335420] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.340641] __do_softirq+0x308/0xb7e [ 431.344647] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 431.349143] ? lock_downgrade+0x900/0x900 [ 431.353336] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 431.358443] ? pvclock_read_flags+0x160/0x160 [ 431.362944] ? lapic_next_event+0x5a/0x90 [ 431.367092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.372631] ? kvm_clock_read+0x18/0x30 [ 431.376607] ? kvm_sched_clock_read+0x9/0x20 [ 431.381018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.386553] ? check_preemption_disabled+0x48/0x280 [ 431.391577] irq_exit+0x17f/0x1c0 [ 431.395074] smp_apic_timer_interrupt+0x1cb/0x760 [ 431.399916] ? smp_reschedule_interrupt+0x109/0x650 [ 431.404931] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.410830] ? interrupt_entry+0xb5/0xc0 [ 431.414890] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.419903] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.424918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.429765] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.434815] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.439831] ? task_prio+0x50/0x50 [ 431.443370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.448938] ? check_preemption_disabled+0x48/0x280 [ 431.453958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.458804] apic_timer_interrupt+0xf/0x20 [ 431.463045] [ 431.465281] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 431.471166] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 431.490070] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 431.497771] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 431.505033] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 431.512297] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 431.519561] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 431.526827] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 431.534125] ? save_stack+0xa9/0xd0 [ 431.537778] __kmalloc_node_track_caller+0x3c/0x70 [ 431.542737] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 431.547502] pskb_expand_head+0x230/0x10f0 [ 431.551739] ? check_preemption_disabled+0x48/0x280 [ 431.556760] ? memcpy+0x45/0x50 [ 431.560061] ? __copy_skb_header+0x350/0x6b0 [ 431.564474] ? skb_release_data+0x880/0x880 [ 431.568799] ? __alloc_skb+0x770/0x770 [ 431.572695] ? __lock_is_held+0xb5/0x140 [ 431.576764] ? kasan_check_write+0x14/0x20 [ 431.581010] ? __skb_clone+0x6c7/0xa00 [ 431.584892] ? __copy_skb_header+0x6b0/0x6b0 [ 431.589298] ? kmem_cache_alloc+0x33a/0x730 [ 431.593618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.599157] skb_ensure_writable+0x3dd/0x640 [ 431.603589] ? skb_checksum_setup+0xaa0/0xaa0 [ 431.608084] ? preempt_notifier_register+0x200/0x200 [ 431.613180] ? __switch_to_asm+0x34/0x70 [ 431.617251] ? __switch_to_asm+0x34/0x70 [ 431.621315] ? __switch_to_asm+0x40/0x70 [ 431.625370] ? __switch_to_asm+0x34/0x70 [ 431.629426] ? __switch_to_asm+0x40/0x70 [ 431.633483] ? __switch_to_asm+0x40/0x70 [ 431.637559] ? __switch_to_asm+0x34/0x70 [ 431.641614] ? __switch_to_asm+0x34/0x70 [ 431.645670] ? __switch_to_asm+0x40/0x70 [ 431.649727] ? __switch_to_asm+0x34/0x70 [ 431.653790] bpf_clone_redirect+0x14a/0x490 [ 431.658118] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 431.663131] ? __sched_text_start+0x8/0x8 [ 431.667272] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 431.672040] ? find_held_lock+0x36/0x1c0 [ 431.676105] ? lock_acquire+0x1ed/0x520 [ 431.680077] ? bpf_test_run+0x3cb/0x780 [ 431.684046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.689584] ? check_preemption_disabled+0x48/0x280 [ 431.694602] ? kasan_check_read+0x11/0x20 [ 431.698744] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.704030] ? rcu_softirq_qs+0x20/0x20 [ 431.708005] ? preempt_schedule+0x4d/0x60 [ 431.712166] ? ___preempt_schedule+0x16/0x18 [ 431.716626] ? bpf_test_run+0x25d/0x780 [ 431.720609] ? netlink_diag_dump+0x2a0/0x2a0 [ 431.725029] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.730564] ? bpf_test_init.isra.10+0x70/0x100 [ 431.735237] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 431.740004] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 431.744838] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 431.750368] ? fput+0x130/0x1a0 [ 431.753648] ? __bpf_prog_get+0x9b/0x290 [ 431.757744] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 431.762582] ? bpf_prog_test_run+0x130/0x1a0 [ 431.766988] ? __x64_sys_bpf+0x3db/0x520 [ 431.771044] ? bpf_prog_get+0x20/0x20 [ 431.774865] ? do_syscall_64+0x1b9/0x820 [ 431.778922] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 431.784286] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.789224] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.794250] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 431.799263] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 431.805920] ? __switch_to_asm+0x40/0x70 [ 431.809974] ? __switch_to_asm+0x34/0x70 [ 431.814038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.818886] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.824267] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 431.824327] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 431.831186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.831207] Call Trace: [ 431.837756] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.847035] dump_stack+0x244/0x39d [ 431.849609] syz-executor2 cpuset=syz2 mems_allowed=0 [ 431.860083] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.873973] warn_alloc.cold.116+0xb7/0x1bd [ 431.878306] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.883147] ? lock_downgrade+0x900/0x900 [ 431.887322] ? trace_hardirqs_off+0xb8/0x310 [ 431.891739] ? trace_hardirqs_off+0xb8/0x310 [ 431.896153] __alloc_pages_slowpath+0x26e8/0x2e10 [ 431.901046] ? warn_alloc+0x120/0x120 [ 431.904845] ? print_usage_bug+0xc0/0xc0 [ 431.908924] ? warn_alloc+0x120/0x120 [ 431.912735] ? warn_alloc+0x120/0x120 [ 431.916541] ? print_usage_bug+0xc0/0xc0 [ 431.920608] ? print_usage_bug+0xc0/0xc0 [ 431.924671] ? __lock_acquire+0x62f/0x4c20 [ 431.928916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.934453] ? should_fail+0x22d/0xd01 [ 431.938360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.943478] ? __lock_acquire+0x62f/0x4c20 [ 431.947740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.952859] ? __lock_acquire+0x62f/0x4c20 [ 431.957093] ? should_fail+0x22d/0xd01 [ 431.960996] ? find_held_lock+0x36/0x1c0 [ 431.965069] ? mark_held_locks+0x130/0x130 [ 431.969336] ? mark_held_locks+0x130/0x130 [ 431.973568] ? zap_class+0x640/0x640 [ 431.977279] ? zap_class+0x640/0x640 [ 431.980996] ? print_usage_bug+0xc0/0xc0 [ 431.985060] ? do_raw_spin_unlock+0xa7/0x330 [ 431.989479] ? zap_class+0x640/0x640 [ 431.993199] ? print_usage_bug+0xc0/0xc0 [ 431.997256] ? wq_watchdog_touch+0x9c/0xfe [ 432.001492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.007029] ? check_preemption_disabled+0x48/0x280 [ 432.012053] ? __lock_is_held+0xb5/0x140 [ 432.016119] __alloc_pages_nodemask+0xa80/0xde0 [ 432.020787] ? zap_class+0x640/0x640 [ 432.024502] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 432.029530] ? find_held_lock+0x36/0x1c0 [ 432.033597] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.038266] ? lock_downgrade+0x900/0x900 [ 432.042416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.047960] cache_grow_begin+0xa5/0x8c0 [ 432.052032] ? do_raw_spin_unlock+0xa7/0x330 [ 432.056474] fallback_alloc+0x204/0x2e0 [ 432.060481] ____cache_alloc_node+0x1c7/0x1e0 [ 432.064979] kmem_cache_alloc_node+0xe3/0x730 [ 432.069476] ? ipv6_get_ifaddr+0x42e/0x620 [ 432.073764] __alloc_skb+0x119/0x770 [ 432.077475] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.082753] ? netdev_alloc_frag+0x1f0/0x1f0 [ 432.087158] ? lock_downgrade+0x900/0x900 [ 432.091317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.096853] ? refcount_sub_and_test_checked+0x203/0x310 [ 432.102310] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 432.107760] ? addrconf_rs_timer+0x690/0x690 [ 432.112183] ndisc_alloc_skb+0x144/0x340 [ 432.116259] ndisc_send_rs+0x331/0x6e0 [ 432.120149] addrconf_rs_timer+0x314/0x690 [ 432.124388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.128635] call_timer_fn+0x272/0x920 [ 432.132522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.136781] ? process_timeout+0x40/0x40 [ 432.140853] ? __run_timers+0x7da/0xc70 [ 432.144824] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.149317] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.153810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.158059] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.162644] ? trace_hardirqs_on+0xbd/0x310 [ 432.166980] ? kasan_check_read+0x11/0x20 [ 432.171125] ? __run_timers+0x7da/0xc70 [ 432.175126] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.180231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.184471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.188712] __run_timers+0x7e5/0xc70 [ 432.192553] ? timer_fixup_init+0x70/0x70 [ 432.196695] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.201197] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.205693] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 432.210283] ? trace_hardirqs_on+0xbd/0x310 [ 432.214740] ? kasan_check_read+0x11/0x20 [ 432.218888] ? finish_task_switch+0x1f4/0x910 [ 432.223402] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.228503] ? compat_start_thread+0x80/0x80 [ 432.232933] ? pvclock_read_flags+0x160/0x160 [ 432.237425] ? __switch_to_asm+0x34/0x70 [ 432.241501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.247061] ? check_preemption_disabled+0x48/0x280 [ 432.252110] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 432.257654] ? rcu_pm_notify+0xc0/0xc0 [ 432.261547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.267088] ? check_preemption_disabled+0x48/0x280 [ 432.272111] run_timer_softirq+0x52/0xb0 [ 432.276171] ? rcu_read_lock_sched_held+0x14f/0x180 [ 432.281213] __do_softirq+0x308/0xb7e [ 432.285022] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 432.290121] ? smpboot_thread_fn+0x334/0xa00 [ 432.294531] ? schedule+0x108/0x460 [ 432.298177] ? trace_hardirqs_off+0xb8/0x310 [ 432.302610] ? smpboot_thread_fn+0x68b/0xa00 [ 432.307022] ? trace_hardirqs_on+0x310/0x310 [ 432.311433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.316972] ? check_preemption_disabled+0x48/0x280 [ 432.321989] ? takeover_tasklets+0xa90/0xa90 [ 432.326398] run_ksoftirqd+0x5e/0x100 [ 432.330222] smpboot_thread_fn+0x68b/0xa00 [ 432.334463] ? sort_range+0x30/0x30 [ 432.338105] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.343213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.348754] ? __kthread_parkme+0xfb/0x1a0 [ 432.352990] ? sort_range+0x30/0x30 [ 432.356617] kthread+0x35a/0x440 [ 432.359982] ? kthread_stop+0x900/0x900 [ 432.363953] ret_from_fork+0x3a/0x50 [ 432.367681] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 432.367712] warn_alloc_show_mem: 1 callbacks suppressed [ 432.367720] Mem-Info: [ 432.375088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.380455] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 432.380455] active_file:15 inactive_file:12 isolated_file:0 [ 432.380455] unevictable:0 dirty:0 writeback:0 unstable:0 [ 432.380455] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 432.380455] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 432.380455] free:13769 free_pcp:294 free_cma:0 [ 432.382826] Call Trace: [ 432.392220] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 432.425342] [ 432.427909] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 432.455746] dump_stack+0x244/0x39d [ 432.457872] lowmem_reserve[]: 0 2818 6321 6321 [ 432.483975] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.487578] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 432.492156] warn_alloc.cold.116+0xb7/0x1bd [ 432.497309] lowmem_reserve[]: 0 0 3503 3503 [ 432.524730] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.529023] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 432.533334] ? lock_downgrade+0x900/0x900 [ 432.538168] lowmem_reserve[]: 0 0 0 0 [ 432.567262] ? trace_hardirqs_off+0xb8/0x310 [ 432.571382] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 432.575180] ? trace_hardirqs_off+0xb8/0x310 [ 432.579573] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 432.593096] __alloc_pages_slowpath+0x26e8/0x2e10 [ 432.597478] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 432.613008] ? warn_alloc+0x120/0x120 [ 432.617812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 432.632534] ? print_usage_bug+0xc0/0xc0 [ 432.636318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 432.645140] ? warn_alloc+0x120/0x120 [ 432.649206] 12557 total pagecache pages [ 432.657771] ? warn_alloc+0x120/0x120 [ 432.661556] 0 pages in swap cache [ 432.665524] ? print_usage_bug+0xc0/0xc0 [ 432.669301] Swap cache stats: add 0, delete 0, find 0/0 [ 432.672741] ? kvm_clock_read+0x18/0x30 [ 432.676807] Free swap = 0kB [ 432.682204] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 432.686158] Total swap = 0kB [ 432.689168] ? print_usage_bug+0xc0/0xc0 [ 432.694186] 1965979 pages RAM [ 432.697224] ? __lock_acquire+0x62f/0x4c20 [ 432.701262] 0 pages HighMem/MovableOnly [ 432.704358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.708576] 342853 pages reserved [ 432.712543] ? should_fail+0x22d/0xd01 [ 432.718056] 0 pages cma reserved [ 432.721499] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.725425] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.728729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.734067] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.740461] ? __lock_acquire+0x62f/0x4c20 [ 432.745554] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 432.755873] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.769867] ? __lock_acquire+0x62f/0x4c20 [ 432.774101] ? should_fail+0x22d/0xd01 [ 432.777985] ? rcu_irq_exit+0x1a2/0x390 [ 432.781986] ? mark_held_locks+0x130/0x130 [ 432.786292] ? mark_held_locks+0x130/0x130 [ 432.790542] ? mark_held_locks+0xc7/0x130 [ 432.794684] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 432.799699] ? zap_class+0x640/0x640 [ 432.803410] ? print_usage_bug+0xc0/0xc0 [ 432.807477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.813014] ? check_preemption_disabled+0x48/0x280 [ 432.818035] ? __lock_is_held+0xb5/0x140 [ 432.822103] __alloc_pages_nodemask+0xa80/0xde0 [ 432.826787] ? zap_class+0x640/0x640 [ 432.830531] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 432.835555] ? find_held_lock+0x36/0x1c0 [ 432.839626] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.844294] ? lock_downgrade+0x900/0x900 [ 432.848463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.854007] cache_grow_begin+0xa5/0x8c0 [ 432.858065] ? do_raw_spin_unlock+0xa7/0x330 [ 432.862485] fallback_alloc+0x204/0x2e0 [ 432.866470] ____cache_alloc_node+0x1c7/0x1e0 [ 432.870971] kmem_cache_alloc_node+0xe3/0x730 [ 432.875468] ? ipv6_get_ifaddr+0x42e/0x620 [ 432.879712] __alloc_skb+0x119/0x770 [ 432.883423] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.888702] ? netdev_alloc_frag+0x1f0/0x1f0 [ 432.893113] ? lock_downgrade+0x900/0x900 [ 432.897268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.902807] ? refcount_sub_and_test_checked+0x203/0x310 [ 432.908263] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 432.913710] ? addrconf_rs_timer+0x690/0x690 [ 432.918128] ndisc_alloc_skb+0x144/0x340 [ 432.922203] ndisc_send_rs+0x331/0x6e0 [ 432.926097] addrconf_rs_timer+0x314/0x690 [ 432.930343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.934589] call_timer_fn+0x272/0x920 [ 432.938473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.942708] ? process_timeout+0x40/0x40 [ 432.946780] ? __run_timers+0x7da/0xc70 [ 432.950756] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.955253] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.959745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.963979] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.968567] ? trace_hardirqs_on+0xbd/0x310 [ 432.972886] ? kasan_check_read+0x11/0x20 [ 432.977029] ? __run_timers+0x7da/0xc70 [ 432.981008] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.986122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.990364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.994598] __run_timers+0x7e5/0xc70 [ 432.998412] ? timer_fixup_init+0x70/0x70 [ 433.002598] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.007615] ? zap_class+0x640/0x640 [ 433.011335] ? enqueue_hrtimer+0x1a5/0x560 [ 433.015571] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.020765] ? find_held_lock+0x36/0x1c0 [ 433.024831] ? zap_class+0x640/0x640 [ 433.028569] ? pvclock_read_flags+0x160/0x160 [ 433.033070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.038609] ? check_preemption_disabled+0x48/0x280 [ 433.043635] ? __lock_is_held+0xb5/0x140 [ 433.047716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.053267] ? check_preemption_disabled+0x48/0x280 [ 433.058306] run_timer_softirq+0x52/0xb0 [ 433.062366] ? rcu_read_lock_sched_held+0x14f/0x180 [ 433.067382] __do_softirq+0x308/0xb7e [ 433.071181] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 433.075686] ? lock_downgrade+0x900/0x900 [ 433.079835] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 433.084939] ? pvclock_read_flags+0x160/0x160 [ 433.089436] ? lapic_next_event+0x5a/0x90 [ 433.093598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.099167] ? kvm_clock_read+0x18/0x30 [ 433.103156] ? kvm_sched_clock_read+0x9/0x20 [ 433.107579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.113131] ? check_preemption_disabled+0x48/0x280 [ 433.118162] irq_exit+0x17f/0x1c0 [ 433.121637] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.126474] ? smp_reschedule_interrupt+0x109/0x650 [ 433.131518] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.137400] ? interrupt_entry+0xb5/0xc0 [ 433.141458] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.146500] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.151514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.156368] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.161385] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.166400] ? task_prio+0x50/0x50 [ 433.169938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.175474] ? check_preemption_disabled+0x48/0x280 [ 433.180493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.185355] apic_timer_interrupt+0xf/0x20 [ 433.189596] [ 433.191838] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 433.197737] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 433.216632] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 433.224333] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 433.231595] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 433.238860] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 433.246119] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 433.253387] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 433.260683] ? save_stack+0xa9/0xd0 [ 433.264321] __kmalloc_node_track_caller+0x3c/0x70 [ 433.269289] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 433.274068] pskb_expand_head+0x230/0x10f0 [ 433.278301] ? check_preemption_disabled+0x48/0x280 [ 433.283352] ? memcpy+0x45/0x50 [ 433.286638] ? __copy_skb_header+0x350/0x6b0 [ 433.291047] ? skb_release_data+0x880/0x880 [ 433.295391] ? __alloc_skb+0x770/0x770 [ 433.299285] ? __lock_is_held+0xb5/0x140 [ 433.303368] ? kasan_check_write+0x14/0x20 [ 433.307604] ? __skb_clone+0x6c7/0xa00 [ 433.311493] ? __copy_skb_header+0x6b0/0x6b0 [ 433.315914] ? kmem_cache_alloc+0x33a/0x730 [ 433.320237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.325781] skb_ensure_writable+0x3dd/0x640 [ 433.330217] ? skb_checksum_setup+0xaa0/0xaa0 [ 433.334733] ? preempt_notifier_register+0x200/0x200 [ 433.339834] ? __switch_to_asm+0x34/0x70 [ 433.344074] ? __switch_to_asm+0x34/0x70 [ 433.348132] ? __switch_to_asm+0x40/0x70 [ 433.352195] ? __switch_to_asm+0x34/0x70 [ 433.356255] ? __switch_to_asm+0x40/0x70 [ 433.360309] ? __switch_to_asm+0x40/0x70 [ 433.364367] ? __switch_to_asm+0x34/0x70 [ 433.368436] ? __switch_to_asm+0x34/0x70 [ 433.372493] ? __switch_to_asm+0x40/0x70 [ 433.376560] ? __switch_to_asm+0x34/0x70 [ 433.380624] bpf_clone_redirect+0x14a/0x490 [ 433.384952] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 433.389970] ? __sched_text_start+0x8/0x8 [ 433.394118] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 433.398885] ? find_held_lock+0x36/0x1c0 [ 433.402955] ? lock_acquire+0x1ed/0x520 [ 433.406943] ? bpf_test_run+0x3cb/0x780 [ 433.410912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.416450] ? check_preemption_disabled+0x48/0x280 [ 433.421468] ? kasan_check_read+0x11/0x20 [ 433.425615] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.430905] ? rcu_softirq_qs+0x20/0x20 [ 433.434900] ? preempt_schedule+0x4d/0x60 [ 433.439066] ? ___preempt_schedule+0x16/0x18 [ 433.443477] ? bpf_test_run+0x25d/0x780 [ 433.447485] ? netlink_diag_dump+0x2a0/0x2a0 [ 433.451959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.457498] ? bpf_test_init.isra.10+0x70/0x100 [ 433.462171] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 433.466949] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 433.471791] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 433.477326] ? fput+0x130/0x1a0 [ 433.480605] ? __bpf_prog_get+0x9b/0x290 [ 433.484666] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 433.489506] ? bpf_prog_test_run+0x130/0x1a0 [ 433.493913] ? __x64_sys_bpf+0x3db/0x520 [ 433.497977] ? bpf_prog_get+0x20/0x20 [ 433.501835] ? do_syscall_64+0x1b9/0x820 [ 433.505897] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 433.511278] ? syscall_return_slowpath+0x5e0/0x5e0 [ 433.516239] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.521277] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 433.526295] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 433.532965] ? __switch_to_asm+0x40/0x70 [ 433.537022] ? __switch_to_asm+0x34/0x70 [ 433.541090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.545954] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 433.551337] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 433.551406] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 433.558280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.558285] Call Trace: [ 433.558303] dump_stack+0x244/0x39d [ 433.558322] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.558348] warn_alloc.cold.116+0xb7/0x1bd [ 433.565174] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.574165] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.574184] ? lock_downgrade+0x900/0x900 [ 433.576899] syz-executor2 cpuset=syz2 mems_allowed=0 [ 433.580550] ? trace_hardirqs_off+0xb8/0x310 [ 433.580572] ? trace_hardirqs_off+0xb8/0x310 [ 433.623526] __alloc_pages_slowpath+0x26e8/0x2e10 [ 433.628398] ? warn_alloc+0x120/0x120 [ 433.632212] ? print_usage_bug+0xc0/0xc0 [ 433.636278] ? warn_alloc+0x120/0x120 [ 433.640084] ? warn_alloc+0x120/0x120 [ 433.643891] ? print_usage_bug+0xc0/0xc0 [ 433.647956] ? print_usage_bug+0xc0/0xc0 [ 433.652021] ? __lock_acquire+0x62f/0x4c20 [ 433.656260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.661832] ? should_fail+0x22d/0xd01 [ 433.665740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.670843] ? __lock_acquire+0x62f/0x4c20 [ 433.675078] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.680177] ? __lock_acquire+0x62f/0x4c20 [ 433.684417] ? should_fail+0x22d/0xd01 [ 433.688309] ? find_held_lock+0x36/0x1c0 [ 433.692376] ? mark_held_locks+0x130/0x130 [ 433.696617] ? mark_held_locks+0x130/0x130 [ 433.700845] ? zap_class+0x640/0x640 [ 433.704587] ? mark_held_locks+0xc7/0x130 [ 433.708734] ? do_raw_spin_unlock+0xa7/0x330 [ 433.713139] ? zap_class+0x640/0x640 [ 433.716850] ? print_usage_bug+0xc0/0xc0 [ 433.720912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.726473] ? check_preemption_disabled+0x48/0x280 [ 433.731509] ? __lock_is_held+0xb5/0x140 [ 433.735569] __alloc_pages_nodemask+0xa80/0xde0 [ 433.740237] ? zap_class+0x640/0x640 [ 433.743957] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 433.748986] ? find_held_lock+0x36/0x1c0 [ 433.753070] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.757736] ? lock_downgrade+0x900/0x900 [ 433.761888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.767426] cache_grow_begin+0xa5/0x8c0 [ 433.771482] ? do_raw_spin_unlock+0xa7/0x330 [ 433.775894] fallback_alloc+0x204/0x2e0 [ 433.779874] ____cache_alloc_node+0x1c7/0x1e0 [ 433.784370] kmem_cache_alloc_node+0xe3/0x730 [ 433.788864] ? ipv6_get_ifaddr+0x42e/0x620 [ 433.793121] __alloc_skb+0x119/0x770 [ 433.796834] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.802111] ? netdev_alloc_frag+0x1f0/0x1f0 [ 433.806536] ? lock_downgrade+0x900/0x900 [ 433.810714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.816252] ? refcount_sub_and_test_checked+0x203/0x310 [ 433.821705] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 433.827154] ? addrconf_rs_timer+0x690/0x690 [ 433.831601] ndisc_alloc_skb+0x144/0x340 [ 433.835664] ndisc_send_rs+0x331/0x6e0 [ 433.839570] addrconf_rs_timer+0x314/0x690 [ 433.843852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.848128] call_timer_fn+0x272/0x920 [ 433.852015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.856251] ? process_timeout+0x40/0x40 [ 433.860330] ? __run_timers+0x7da/0xc70 [ 433.864322] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.868814] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.873323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.877557] ? lockdep_hardirqs_on+0x296/0x5b0 [ 433.882143] ? trace_hardirqs_on+0xbd/0x310 [ 433.886466] ? kasan_check_read+0x11/0x20 [ 433.890612] ? __run_timers+0x7da/0xc70 [ 433.894588] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.899689] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.903926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.908154] __run_timers+0x7e5/0xc70 [ 433.911967] ? timer_fixup_init+0x70/0x70 [ 433.916112] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.920605] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.925105] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 433.929693] ? trace_hardirqs_on+0xbd/0x310 [ 433.934020] ? kasan_check_read+0x11/0x20 [ 433.938184] ? finish_task_switch+0x1f4/0x910 [ 433.942737] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.947843] ? compat_start_thread+0x80/0x80 [ 433.952270] ? pvclock_read_flags+0x160/0x160 [ 433.956765] ? __switch_to_asm+0x34/0x70 [ 433.960859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.966394] ? check_preemption_disabled+0x48/0x280 [ 433.971422] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 433.976974] ? rcu_pm_notify+0xc0/0xc0 [ 433.980863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.986399] ? check_preemption_disabled+0x48/0x280 [ 433.991424] run_timer_softirq+0x52/0xb0 [ 433.995515] ? rcu_read_lock_sched_held+0x14f/0x180 [ 434.000530] __do_softirq+0x308/0xb7e [ 434.004342] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 434.009493] ? smpboot_thread_fn+0x334/0xa00 [ 434.013914] ? schedule+0x108/0x460 [ 434.017546] ? trace_hardirqs_off+0xb8/0x310 [ 434.021952] ? smpboot_thread_fn+0x68b/0xa00 [ 434.026360] ? trace_hardirqs_on+0x310/0x310 [ 434.030771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.036310] ? check_preemption_disabled+0x48/0x280 [ 434.041357] ? takeover_tasklets+0xa90/0xa90 [ 434.045779] run_ksoftirqd+0x5e/0x100 [ 434.049574] smpboot_thread_fn+0x68b/0xa00 [ 434.053839] ? sort_range+0x30/0x30 [ 434.057463] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 434.062592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.068143] ? __kthread_parkme+0xfb/0x1a0 [ 434.072389] ? sort_range+0x30/0x30 [ 434.076016] kthread+0x35a/0x440 [ 434.079409] ? kthread_stop+0x900/0x900 [ 434.083397] ret_from_fork+0x3a/0x50 [ 434.087139] warn_alloc_show_mem: 1 callbacks suppressed [ 434.087150] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 434.087151] Mem-Info: [ 434.087183] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 434.087183] active_file:15 inactive_file:12 isolated_file:0 [ 434.087183] unevictable:0 dirty:0 writeback:0 unstable:0 [ 434.087183] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 434.087183] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 434.087183] free:13769 free_pcp:294 free_cma:0 [ 434.092509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.099867] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 434.102277] Call Trace: [ 434.135394] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 434.144757] [ 434.172584] lowmem_reserve[]: 0 2818 6321 6321 [ 434.175163] dump_stack+0x244/0x39d [ 434.201245] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 434.203393] ? dump_stack_print_info.cold.1+0x20/0x20 [ 434.207962] lowmem_reserve[]: 0 0 3503 3503 [ 434.212131] warn_alloc.cold.116+0xb7/0x1bd [ 434.239509] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 434.244687] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.248979] lowmem_reserve[]: 0 0 0 0 [ 434.253294] ? lock_downgrade+0x900/0x900 [ 434.282326] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 434.287159] ? trace_hardirqs_off+0xb8/0x310 [ 434.290957] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 434.295098] ? trace_hardirqs_off+0xb8/0x310 [ 434.308594] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 434.312998] ? noop_count+0x40/0x40 [ 434.328504] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 434.332902] __alloc_pages_slowpath+0x26e8/0x2e10 [ 434.347621] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 434.351265] ? check_usage+0x1aa/0x790 [ 434.360061] 12557 total pagecache pages [ 434.364899] ? warn_alloc+0x120/0x120 [ 434.373472] 0 pages in swap cache [ 434.377350] ? warn_alloc+0x120/0x120 [ 434.381304] Swap cache stats: add 0, delete 0, find 0/0 [ 434.385091] ? __bfs+0xb0/0x780 [ 434.388519] Free swap = 0kB [ 434.392309] ? print_bfs_bug+0x80/0x80 [ 434.397648] Total swap = 0kB [ 434.400919] ? warn_alloc+0x120/0x120 [ 434.403915] 1965979 pages RAM [ 434.407791] ? print_usage_bug+0xc0/0xc0 [ 434.410786] 0 pages HighMem/MovableOnly [ 434.414584] ? mark_held_locks+0x130/0x130 [ 434.417661] 342853 pages reserved [ 434.421718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.425666] 0 pages cma reserved [ 434.429892] ? should_fail+0x22d/0xd01 [ 434.433376] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 434.438845] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 434.442317] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.446096] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.452560] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 434.458437] ? __lock_acquire+0x62f/0x4c20 [ 434.482692] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.487793] ? should_fail+0x22d/0xd01 [ 434.491690] ? mark_held_locks+0x130/0x130 [ 434.495929] ? mark_held_locks+0x130/0x130 [ 434.500163] ? zap_class+0x640/0x640 [ 434.503888] ? zap_class+0x640/0x640 [ 434.507602] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 434.513518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.519053] ? check_preemption_disabled+0x48/0x280 [ 434.524079] ? __lock_is_held+0xb5/0x140 [ 434.528144] __alloc_pages_nodemask+0xa80/0xde0 [ 434.532808] ? zap_class+0x640/0x640 [ 434.536524] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 434.541565] ? find_held_lock+0x36/0x1c0 [ 434.545631] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.550313] ? lock_downgrade+0x900/0x900 [ 434.554476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.560015] cache_grow_begin+0xa5/0x8c0 [ 434.564076] ? do_raw_spin_unlock+0xa7/0x330 [ 434.568491] fallback_alloc+0x204/0x2e0 [ 434.572467] ____cache_alloc_node+0x1c7/0x1e0 [ 434.576968] kmem_cache_alloc_node+0xe3/0x730 [ 434.581463] ? mark_held_locks+0xc7/0x130 [ 434.585625] __alloc_skb+0x119/0x770 [ 434.589338] ? netdev_alloc_frag+0x1f0/0x1f0 [ 434.593736] ? do_raw_spin_trylock+0x270/0x270 [ 434.598313] ? kmem_cache_alloc_trace+0x353/0x750 [ 434.603152] ? queue_work_on+0x12c/0x1e0 [ 434.607225] ? switchdev_port_obj_del+0xdc/0x440 [ 434.611992] ? switchdev_trans_item_enqueue+0x260/0x260 [ 434.617412] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 434.622437] __br_mdb_notify+0x4ff/0x15d0 [ 434.626581] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 434.631684] ? __br_mdb_add+0x7f0/0x7f0 [ 434.635687] ? mark_held_locks+0x130/0x130 [ 434.639984] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 434.645092] ? debug_object_assert_init+0x368/0x4b0 [ 434.650110] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.655225] ? debug_object_init_on_stack+0x20/0x20 [ 434.660243] ? zap_class+0x640/0x640 [ 434.663960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.669508] br_mdb_notify+0x310/0x410 [ 434.673401] ? br_mdb_dump+0x27b0/0x27b0 [ 434.677483] br_multicast_del_pg+0x3df/0x790 [ 434.681903] ? br_mdb_ip_get+0x940/0x940 [ 434.685968] ? rwlock_bug.part.2+0x90/0x90 [ 434.690222] ? __lock_is_held+0xb5/0x140 [ 434.694298] br_multicast_port_group_expired+0x189/0x1e0 [ 434.699756] call_timer_fn+0x272/0x920 [ 434.703657] ? br_multicast_del_pg+0x790/0x790 [ 434.708244] ? process_timeout+0x40/0x40 [ 434.712318] ? __run_timers+0x7da/0xc70 [ 434.716315] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.720818] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.725311] ? br_multicast_del_pg+0x790/0x790 [ 434.729895] ? lockdep_hardirqs_on+0x296/0x5b0 [ 434.734492] ? trace_hardirqs_on+0xbd/0x310 [ 434.738832] ? kasan_check_read+0x11/0x20 [ 434.742977] ? __run_timers+0x7da/0xc70 [ 434.746952] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.752066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.756311] ? br_multicast_del_pg+0x790/0x790 [ 434.760896] __run_timers+0x7e5/0xc70 [ 434.764706] ? timer_fixup_init+0x70/0x70 [ 434.768867] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 434.773887] ? zap_class+0x640/0x640 [ 434.777608] ? enqueue_hrtimer+0x1a5/0x560 [ 434.781848] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 434.787045] ? find_held_lock+0x36/0x1c0 [ 434.791107] ? zap_class+0x640/0x640 [ 434.794823] ? pvclock_read_flags+0x160/0x160 [ 434.799333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.804870] ? check_preemption_disabled+0x48/0x280 [ 434.809908] ? __lock_is_held+0xb5/0x140 [ 434.813967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.819501] ? check_preemption_disabled+0x48/0x280 [ 434.824528] run_timer_softirq+0x52/0xb0 [ 434.828601] ? rcu_read_lock_sched_held+0x14f/0x180 [ 434.833617] __do_softirq+0x308/0xb7e [ 434.837420] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 434.841912] ? lock_downgrade+0x900/0x900 [ 434.846062] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 434.851175] ? pvclock_read_flags+0x160/0x160 [ 434.855683] ? lapic_next_event+0x5a/0x90 [ 434.859835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.865384] ? kvm_clock_read+0x18/0x30 [ 434.869394] ? kvm_sched_clock_read+0x9/0x20 [ 434.873838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.879374] ? check_preemption_disabled+0x48/0x280 [ 434.884400] irq_exit+0x17f/0x1c0 [ 434.887853] smp_apic_timer_interrupt+0x1cb/0x760 [ 434.892694] ? smp_reschedule_interrupt+0x109/0x650 [ 434.897713] ? smp_call_function_single_interrupt+0x650/0x650 [ 434.903593] ? interrupt_entry+0xb5/0xc0 [ 434.907692] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.912703] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.917724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.922584] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.927612] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.932628] ? task_prio+0x50/0x50 [ 434.936171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.941718] ? check_preemption_disabled+0x48/0x280 [ 434.946751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.951620] apic_timer_interrupt+0xf/0x20 [ 434.955859] [ 434.958095] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 434.964007] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 434.982907] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 434.990612] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 434.997876] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 435.005142] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 435.012411] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 435.019680] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 435.026985] ? save_stack+0xa9/0xd0 [ 435.030624] __kmalloc_node_track_caller+0x3c/0x70 [ 435.035556] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 435.040336] pskb_expand_head+0x230/0x10f0 [ 435.044568] ? check_preemption_disabled+0x48/0x280 [ 435.049584] ? memcpy+0x45/0x50 [ 435.052861] ? __copy_skb_header+0x350/0x6b0 [ 435.057269] ? skb_release_data+0x880/0x880 [ 435.061608] ? __alloc_skb+0x770/0x770 [ 435.065498] ? __lock_is_held+0xb5/0x140 [ 435.069562] ? kasan_check_write+0x14/0x20 [ 435.073807] ? __skb_clone+0x6c7/0xa00 [ 435.077699] ? __copy_skb_header+0x6b0/0x6b0 [ 435.082115] ? kmem_cache_alloc+0x33a/0x730 [ 435.086437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.091975] skb_ensure_writable+0x3dd/0x640 [ 435.096387] ? skb_checksum_setup+0xaa0/0xaa0 [ 435.100907] ? preempt_notifier_register+0x200/0x200 [ 435.106039] ? __switch_to_asm+0x34/0x70 [ 435.110095] ? __switch_to_asm+0x34/0x70 [ 435.114168] ? __switch_to_asm+0x40/0x70 [ 435.118233] ? __switch_to_asm+0x34/0x70 [ 435.122301] ? __switch_to_asm+0x40/0x70 [ 435.126359] ? __switch_to_asm+0x40/0x70 [ 435.130414] ? __switch_to_asm+0x34/0x70 [ 435.134501] ? __switch_to_asm+0x34/0x70 [ 435.138585] ? __switch_to_asm+0x40/0x70 [ 435.142659] ? __switch_to_asm+0x34/0x70 [ 435.146742] bpf_clone_redirect+0x14a/0x490 [ 435.151069] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 435.156119] ? __sched_text_start+0x8/0x8 [ 435.160294] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 435.165091] ? find_held_lock+0x36/0x1c0 [ 435.169158] ? lock_acquire+0x1ed/0x520 [ 435.173135] ? bpf_test_run+0x3cb/0x780 [ 435.177111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.182645] ? check_preemption_disabled+0x48/0x280 [ 435.187668] ? kasan_check_read+0x11/0x20 [ 435.191822] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.197094] ? rcu_softirq_qs+0x20/0x20 [ 435.201074] ? preempt_schedule+0x4d/0x60 [ 435.205227] ? ___preempt_schedule+0x16/0x18 [ 435.209674] ? bpf_test_run+0x25d/0x780 [ 435.214127] ? netlink_diag_dump+0x2a0/0x2a0 [ 435.218551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.224086] ? bpf_test_init.isra.10+0x70/0x100 [ 435.228765] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 435.233532] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 435.238375] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 435.243906] ? fput+0x130/0x1a0 [ 435.247182] ? __bpf_prog_get+0x9b/0x290 [ 435.251256] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 435.256099] ? bpf_prog_test_run+0x130/0x1a0 [ 435.260509] ? __x64_sys_bpf+0x3db/0x520 [ 435.264598] ? bpf_prog_get+0x20/0x20 [ 435.268418] ? do_syscall_64+0x1b9/0x820 [ 435.272481] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 435.277844] ? syscall_return_slowpath+0x5e0/0x5e0 [ 435.282868] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.287882] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 435.292896] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 435.299558] ? __switch_to_asm+0x40/0x70 [ 435.303619] ? __switch_to_asm+0x34/0x70 [ 435.307684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.312537] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 435.317919] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 435.318651] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.324851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.335316] syz-executor2 cpuset=syz2 mems_allowed=0 [ 435.345095] Call Trace: [ 435.352818] dump_stack+0x244/0x39d [ 435.356447] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.361646] warn_alloc.cold.116+0xb7/0x1bd [ 435.365965] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.370809] ? lock_downgrade+0x900/0x900 [ 435.374964] ? trace_hardirqs_off+0xb8/0x310 [ 435.379378] ? trace_hardirqs_off+0xb8/0x310 [ 435.383791] __alloc_pages_slowpath+0x26e8/0x2e10 [ 435.388675] ? warn_alloc+0x120/0x120 [ 435.392482] ? print_usage_bug+0xc0/0xc0 [ 435.396549] ? warn_alloc+0x120/0x120 [ 435.400371] ? warn_alloc+0x120/0x120 [ 435.404188] ? print_usage_bug+0xc0/0xc0 [ 435.408276] ? print_usage_bug+0xc0/0xc0 [ 435.412342] ? __lock_acquire+0x62f/0x4c20 [ 435.416583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.422118] ? should_fail+0x22d/0xd01 [ 435.426008] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.431114] ? __lock_acquire+0x62f/0x4c20 [ 435.435356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.440459] ? __lock_acquire+0x62f/0x4c20 [ 435.444690] ? should_fail+0x22d/0xd01 [ 435.448578] ? find_held_lock+0x36/0x1c0 [ 435.452644] ? mark_held_locks+0x130/0x130 [ 435.456898] ? mark_held_locks+0x130/0x130 [ 435.461128] ? zap_class+0x640/0x640 [ 435.464867] ? mark_held_locks+0xc7/0x130 [ 435.469079] ? do_raw_spin_unlock+0xa7/0x330 [ 435.473494] ? zap_class+0x640/0x640 [ 435.477215] ? print_usage_bug+0xc0/0xc0 [ 435.481283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.486824] ? check_preemption_disabled+0x48/0x280 [ 435.491904] ? __lock_is_held+0xb5/0x140 [ 435.495970] __alloc_pages_nodemask+0xa80/0xde0 [ 435.500637] ? zap_class+0x640/0x640 [ 435.504359] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 435.509392] ? find_held_lock+0x36/0x1c0 [ 435.513470] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.518139] ? lock_downgrade+0x900/0x900 [ 435.522308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.527851] cache_grow_begin+0xa5/0x8c0 [ 435.531929] ? do_raw_spin_unlock+0xa7/0x330 [ 435.536363] fallback_alloc+0x204/0x2e0 [ 435.540349] ____cache_alloc_node+0x1c7/0x1e0 [ 435.544852] kmem_cache_alloc_node+0xe3/0x730 [ 435.549349] ? ipv6_get_ifaddr+0x42e/0x620 [ 435.553596] __alloc_skb+0x119/0x770 [ 435.557309] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.562592] ? netdev_alloc_frag+0x1f0/0x1f0 [ 435.567005] ? lock_downgrade+0x900/0x900 [ 435.571198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.576738] ? refcount_sub_and_test_checked+0x203/0x310 [ 435.582197] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 435.587652] ? addrconf_rs_timer+0x690/0x690 [ 435.592094] ndisc_alloc_skb+0x144/0x340 [ 435.596177] ndisc_send_rs+0x331/0x6e0 [ 435.600077] addrconf_rs_timer+0x314/0x690 [ 435.604316] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.608562] call_timer_fn+0x272/0x920 [ 435.612468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.616736] ? process_timeout+0x40/0x40 [ 435.620821] ? __run_timers+0x7da/0xc70 [ 435.624802] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.629301] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.633810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.638044] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.642633] ? trace_hardirqs_on+0xbd/0x310 [ 435.646955] ? kasan_check_read+0x11/0x20 [ 435.651105] ? __run_timers+0x7da/0xc70 [ 435.655080] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.660186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.664439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.668678] __run_timers+0x7e5/0xc70 [ 435.672509] ? timer_fixup_init+0x70/0x70 [ 435.676656] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.681155] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.685652] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 435.690238] ? trace_hardirqs_on+0xbd/0x310 [ 435.694559] ? kasan_check_read+0x11/0x20 [ 435.698713] ? finish_task_switch+0x1f4/0x910 [ 435.703217] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.708322] ? compat_start_thread+0x80/0x80 [ 435.712771] ? pvclock_read_flags+0x160/0x160 [ 435.717262] ? __switch_to_asm+0x34/0x70 [ 435.721325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.726862] ? check_preemption_disabled+0x48/0x280 [ 435.731899] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 435.737435] ? rcu_pm_notify+0xc0/0xc0 [ 435.741334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.746881] ? check_preemption_disabled+0x48/0x280 [ 435.751911] run_timer_softirq+0x52/0xb0 [ 435.755982] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.760994] __do_softirq+0x308/0xb7e [ 435.764813] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.769914] ? smpboot_thread_fn+0x334/0xa00 [ 435.774324] ? schedule+0x108/0x460 [ 435.777970] ? trace_hardirqs_off+0xb8/0x310 [ 435.782380] ? smpboot_thread_fn+0x68b/0xa00 [ 435.786820] ? trace_hardirqs_on+0x310/0x310 [ 435.791228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.796763] ? check_preemption_disabled+0x48/0x280 [ 435.801790] ? takeover_tasklets+0xa90/0xa90 [ 435.806203] run_ksoftirqd+0x5e/0x100 [ 435.810003] smpboot_thread_fn+0x68b/0xa00 [ 435.814255] ? sort_range+0x30/0x30 [ 435.817923] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.823022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.828555] ? __kthread_parkme+0xfb/0x1a0 [ 435.832791] ? sort_range+0x30/0x30 [ 435.836416] kthread+0x35a/0x440 [ 435.839785] ? kthread_stop+0x900/0x900 [ 435.843769] ret_from_fork+0x3a/0x50 [ 435.847500] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 435.847505] warn_alloc_show_mem: 1 callbacks suppressed [ 435.847526] Mem-Info: [ 435.854906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.860276] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 435.860276] active_file:15 inactive_file:12 isolated_file:0 [ 435.860276] unevictable:0 dirty:0 writeback:0 unstable:0 [ 435.860276] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 435.860276] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 435.860276] free:13769 free_pcp:294 free_cma:0 [ 435.862644] Call Trace: [ 435.872030] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 435.905130] [ 435.907699] 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 [ 435.935558] dump_stack+0x244/0x39d [ 435.937706] lowmem_reserve[]: 0 2818 6321 6321 [ 435.963812] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.967413] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 435.971996] warn_alloc.cold.116+0xb7/0x1bd [ 435.977152] lowmem_reserve[]: 0 0 3503 3503 [ 436.004554] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 436.008849] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 436.013163] ? lock_downgrade+0x900/0x900 [ 436.017996] lowmem_reserve[]: 0 0 0 0 [ 436.047055] ? trace_hardirqs_off+0xb8/0x310 [ 436.051174] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 436.054978] ? trace_hardirqs_off+0xb8/0x310 [ 436.059359] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 436.072876] __alloc_pages_slowpath+0x26e8/0x2e10 [ 436.077256] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 436.092786] ? warn_alloc+0x120/0x120 [ 436.097625] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 436.112353] ? warn_alloc+0x120/0x120 [ 436.116131] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 436.124949] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 436.128731] 12557 total pagecache pages [ 436.137310] ? warn_alloc+0x120/0x120 [ 436.142312] 0 pages in swap cache [ 436.146276] ? print_usage_bug+0xc0/0xc0 [ 436.150060] Swap cache stats: add 0, delete 0, find 0/0 [ 436.153513] ? print_usage_bug+0xc0/0xc0 [ 436.157550] Free swap = 0kB [ 436.162905] ? check_usage+0x1aa/0x790 [ 436.166944] Total swap = 0kB [ 436.169955] ? check_usage+0x1aa/0x790 [ 436.173815] 1965979 pages RAM [ 436.176826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.180688] 0 pages HighMem/MovableOnly [ 436.183816] ? should_fail+0x22d/0xd01 [ 436.189325] 342853 pages reserved [ 436.193290] ? check_usage_forwards+0x3d0/0x3d0 [ 436.197150] 0 pages cma reserved [ 436.200596] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.205300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 436.208599] ? __lock_acquire+0x62f/0x4c20 [ 436.214015] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 436.220395] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.224606] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 436.234903] ? should_fail+0x22d/0xd01 [ 436.248519] ? mark_held_locks+0x130/0x130 [ 436.252753] ? mark_held_locks+0x130/0x130 [ 436.256983] ? print_usage_bug+0xc0/0xc0 [ 436.261044] ? find_held_lock+0x36/0x1c0 [ 436.265105] ? zap_class+0x640/0x640 [ 436.268823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.274358] ? check_preemption_disabled+0x48/0x280 [ 436.279384] ? __lock_is_held+0xb5/0x140 [ 436.283491] __alloc_pages_nodemask+0xa80/0xde0 [ 436.288212] ? zap_class+0x640/0x640 [ 436.291931] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 436.296974] ? find_held_lock+0x36/0x1c0 [ 436.301043] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.305713] ? lock_downgrade+0x900/0x900 [ 436.309871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.315439] cache_grow_begin+0xa5/0x8c0 [ 436.319501] ? do_raw_spin_unlock+0xa7/0x330 [ 436.323918] fallback_alloc+0x204/0x2e0 [ 436.327903] ____cache_alloc_node+0x1c7/0x1e0 [ 436.332402] kmem_cache_alloc_node+0xe3/0x730 [ 436.336895] ? mark_held_locks+0xc7/0x130 [ 436.341053] __alloc_skb+0x119/0x770 [ 436.344770] ? netdev_alloc_frag+0x1f0/0x1f0 [ 436.349173] ? do_raw_spin_trylock+0x270/0x270 [ 436.353764] ? kmem_cache_alloc_trace+0x353/0x750 [ 436.358626] ? queue_work_on+0x12c/0x1e0 [ 436.362688] ? switchdev_port_obj_del+0xdc/0x440 [ 436.367484] ? switchdev_trans_item_enqueue+0x260/0x260 [ 436.372847] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 436.377869] __br_mdb_notify+0x4ff/0x15d0 [ 436.382013] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.387152] ? __br_mdb_add+0x7f0/0x7f0 [ 436.391127] ? mark_held_locks+0x130/0x130 [ 436.395369] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 436.400470] ? debug_object_assert_init+0x368/0x4b0 [ 436.405500] ? debug_object_init_on_stack+0x20/0x20 [ 436.410512] ? zap_class+0x640/0x640 [ 436.414269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.419809] br_mdb_notify+0x310/0x410 [ 436.423697] ? br_mdb_dump+0x27b0/0x27b0 [ 436.427783] br_multicast_del_pg+0x3df/0x790 [ 436.432222] ? br_mdb_ip_get+0x940/0x940 [ 436.436287] ? rwlock_bug.part.2+0x90/0x90 [ 436.440525] ? __lock_is_held+0xb5/0x140 [ 436.444591] br_multicast_port_group_expired+0x189/0x1e0 [ 436.450060] call_timer_fn+0x272/0x920 [ 436.453976] ? br_multicast_del_pg+0x790/0x790 [ 436.458555] ? process_timeout+0x40/0x40 [ 436.462622] ? __run_timers+0x7da/0xc70 [ 436.466606] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.471097] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.475589] ? br_multicast_del_pg+0x790/0x790 [ 436.480172] ? lockdep_hardirqs_on+0x296/0x5b0 [ 436.484765] ? trace_hardirqs_on+0xbd/0x310 [ 436.489085] ? kasan_check_read+0x11/0x20 [ 436.493231] ? __run_timers+0x7da/0xc70 [ 436.497218] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.502339] ? br_multicast_del_pg+0x790/0x790 [ 436.506923] ? br_multicast_del_pg+0x790/0x790 [ 436.511514] __run_timers+0x7e5/0xc70 [ 436.515338] ? timer_fixup_init+0x70/0x70 [ 436.519487] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 436.524505] ? zap_class+0x640/0x640 [ 436.528262] ? enqueue_hrtimer+0x1a5/0x560 [ 436.532513] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 436.537708] ? find_held_lock+0x36/0x1c0 [ 436.541776] ? zap_class+0x640/0x640 [ 436.545488] ? pvclock_read_flags+0x160/0x160 [ 436.549991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.555524] ? check_preemption_disabled+0x48/0x280 [ 436.560544] ? __lock_is_held+0xb5/0x140 [ 436.564618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.570160] ? check_preemption_disabled+0x48/0x280 [ 436.575185] run_timer_softirq+0x52/0xb0 [ 436.579258] ? rcu_read_lock_sched_held+0x14f/0x180 [ 436.584273] __do_softirq+0x308/0xb7e [ 436.588077] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 436.592570] ? lock_downgrade+0x900/0x900 [ 436.596737] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 436.601845] ? pvclock_read_flags+0x160/0x160 [ 436.606339] ? lapic_next_event+0x5a/0x90 [ 436.610488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.616029] ? kvm_clock_read+0x18/0x30 [ 436.619999] ? kvm_sched_clock_read+0x9/0x20 [ 436.624403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.629935] ? check_preemption_disabled+0x48/0x280 [ 436.634954] irq_exit+0x17f/0x1c0 [ 436.638421] smp_apic_timer_interrupt+0x1cb/0x760 [ 436.643259] ? smp_reschedule_interrupt+0x109/0x650 [ 436.648302] ? smp_call_function_single_interrupt+0x650/0x650 [ 436.654187] ? interrupt_entry+0xb5/0xc0 [ 436.658264] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.663279] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.668346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.673188] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.678225] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.683242] ? task_prio+0x50/0x50 [ 436.686787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.692339] ? check_preemption_disabled+0x48/0x280 [ 436.697358] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.702247] apic_timer_interrupt+0xf/0x20 [ 436.706471] [ 436.708724] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 436.714623] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 436.733519] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 436.741233] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 436.748498] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 436.755768] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 436.763037] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 436.770306] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 436.777600] ? save_stack+0xa9/0xd0 [ 436.781253] __kmalloc_node_track_caller+0x3c/0x70 [ 436.786188] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 436.790967] pskb_expand_head+0x230/0x10f0 [ 436.795214] ? check_preemption_disabled+0x48/0x280 [ 436.800243] ? memcpy+0x45/0x50 [ 436.803526] ? __copy_skb_header+0x350/0x6b0 [ 436.807935] ? skb_release_data+0x880/0x880 [ 436.812273] ? __alloc_skb+0x770/0x770 [ 436.816168] ? __lock_is_held+0xb5/0x140 [ 436.820253] ? kasan_check_write+0x14/0x20 [ 436.824491] ? __skb_clone+0x6c7/0xa00 [ 436.828386] ? __copy_skb_header+0x6b0/0x6b0 [ 436.832791] ? kmem_cache_alloc+0x33a/0x730 [ 436.837117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.842661] skb_ensure_writable+0x3dd/0x640 [ 436.847074] ? skb_checksum_setup+0xaa0/0xaa0 [ 436.851574] ? preempt_notifier_register+0x200/0x200 [ 436.856677] ? __switch_to_asm+0x34/0x70 [ 436.860739] ? __switch_to_asm+0x34/0x70 [ 436.864795] ? __switch_to_asm+0x40/0x70 [ 436.868855] ? __switch_to_asm+0x34/0x70 [ 436.872917] ? __switch_to_asm+0x40/0x70 [ 436.876978] ? __switch_to_asm+0x40/0x70 [ 436.881038] ? __switch_to_asm+0x34/0x70 [ 436.885101] ? __switch_to_asm+0x34/0x70 [ 436.889161] ? __switch_to_asm+0x40/0x70 [ 436.893246] ? __switch_to_asm+0x34/0x70 [ 436.897325] bpf_clone_redirect+0x14a/0x490 [ 436.901658] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 436.906681] ? __sched_text_start+0x8/0x8 [ 436.910827] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.915596] ? find_held_lock+0x36/0x1c0 [ 436.919665] ? lock_acquire+0x1ed/0x520 [ 436.923640] ? bpf_test_run+0x3cb/0x780 [ 436.927615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.933152] ? check_preemption_disabled+0x48/0x280 [ 436.938174] ? kasan_check_read+0x11/0x20 [ 436.942331] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.947605] ? rcu_softirq_qs+0x20/0x20 [ 436.951581] ? preempt_schedule+0x4d/0x60 [ 436.955727] ? ___preempt_schedule+0x16/0x18 [ 436.960146] ? bpf_test_run+0x25d/0x780 [ 436.964130] ? netlink_diag_dump+0x2a0/0x2a0 [ 436.968541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.974077] ? bpf_test_init.isra.10+0x70/0x100 [ 436.978755] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 436.983539] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 436.988378] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 436.993913] ? fput+0x130/0x1a0 [ 436.997198] ? __bpf_prog_get+0x9b/0x290 [ 437.001283] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 437.006126] ? bpf_prog_test_run+0x130/0x1a0 [ 437.010541] ? __x64_sys_bpf+0x3db/0x520 [ 437.014618] ? bpf_prog_get+0x20/0x20 [ 437.018445] ? do_syscall_64+0x1b9/0x820 [ 437.022521] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 437.027918] ? syscall_return_slowpath+0x5e0/0x5e0 [ 437.032851] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.037867] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 437.042882] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 437.049541] ? __switch_to_asm+0x40/0x70 [ 437.053612] ? __switch_to_asm+0x34/0x70 [ 437.057680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.062547] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 437.067971] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 437.068137] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.074900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.085370] syz-executor2 cpuset=syz2 mems_allowed=0 [ 437.094708] Call Trace: [ 437.102408] dump_stack+0x244/0x39d [ 437.106073] ? dump_stack_print_info.cold.1+0x20/0x20 [ 437.111274] warn_alloc.cold.116+0xb7/0x1bd [ 437.115598] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.120461] ? lock_downgrade+0x900/0x900 [ 437.124627] ? trace_hardirqs_off+0xb8/0x310 [ 437.129043] ? trace_hardirqs_off+0xb8/0x310 [ 437.133458] __alloc_pages_slowpath+0x26e8/0x2e10 [ 437.138330] ? warn_alloc+0x120/0x120 [ 437.142135] ? warn_alloc+0x120/0x120 [ 437.145938] ? warn_alloc+0x120/0x120 [ 437.149739] ? print_usage_bug+0xc0/0xc0 [ 437.153798] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 437.158820] ? print_usage_bug+0xc0/0xc0 [ 437.162889] ? print_usage_bug+0xc0/0xc0 [ 437.166974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.172509] ? should_fail+0x22d/0xd01 [ 437.176427] ? mark_held_locks+0x130/0x130 [ 437.180671] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.185777] ? __lock_acquire+0x62f/0x4c20 [ 437.190020] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.195122] ? __lock_acquire+0x62f/0x4c20 [ 437.199353] ? should_fail+0x22d/0xd01 [ 437.203284] ? print_usage_bug+0xc0/0xc0 [ 437.207358] ? mark_held_locks+0x130/0x130 [ 437.211600] ? mark_held_locks+0x130/0x130 [ 437.215848] ? zap_class+0x640/0x640 [ 437.219564] ? ret_from_fork+0x3a/0x50 [ 437.223448] ? zap_class+0x640/0x640 [ 437.227168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.232718] ? check_preemption_disabled+0x48/0x280 [ 437.237744] ? __lock_is_held+0xb5/0x140 [ 437.241810] __alloc_pages_nodemask+0xa80/0xde0 [ 437.246492] ? zap_class+0x640/0x640 [ 437.250215] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 437.255290] ? find_held_lock+0x36/0x1c0 [ 437.259365] ? ____cache_alloc_node+0x1c7/0x1e0 [ 437.264032] ? lock_downgrade+0x900/0x900 [ 437.268188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.273738] cache_grow_begin+0xa5/0x8c0 [ 437.277807] ? do_raw_spin_unlock+0xa7/0x330 [ 437.282233] fallback_alloc+0x204/0x2e0 [ 437.286223] ____cache_alloc_node+0x1c7/0x1e0 [ 437.290731] kmem_cache_alloc_node+0xe3/0x730 [ 437.295232] ? mark_held_locks+0xc7/0x130 [ 437.299392] __alloc_skb+0x119/0x770 [ 437.303129] ? netdev_alloc_frag+0x1f0/0x1f0 [ 437.307554] ? do_raw_spin_trylock+0x270/0x270 [ 437.312152] ? kmem_cache_alloc_trace+0x353/0x750 [ 437.317001] ? queue_work_on+0x12c/0x1e0 [ 437.321068] ? switchdev_port_obj_del+0xdc/0x440 [ 437.325843] ? switchdev_trans_item_enqueue+0x260/0x260 [ 437.331211] ? mod_timer+0x631/0x1560 [ 437.335010] ? wake_up_klogd+0x180/0x180 [ 437.339073] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 437.344594] __br_mdb_notify+0x4ff/0x15d0 [ 437.348749] ? __br_mdb_add+0x7f0/0x7f0 [ 437.352723] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.357837] ? zap_class+0x640/0x640 [ 437.361565] ? br_multicast_group_expired+0x96/0x610 [ 437.366675] br_mdb_notify+0x310/0x410 [ 437.370567] ? br_mdb_dump+0x27b0/0x27b0 [ 437.374636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.380185] br_multicast_group_expired+0x1bc/0x610 [ 437.385234] ? br_mdb_free+0x80/0x80 [ 437.388960] call_timer_fn+0x272/0x920 [ 437.392842] ? br_mdb_free+0x80/0x80 [ 437.396569] ? process_timeout+0x40/0x40 [ 437.400666] ? __run_timers+0x7da/0xc70 [ 437.404644] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.409135] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.413635] ? br_mdb_free+0x80/0x80 [ 437.417396] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.421991] ? trace_hardirqs_on+0xbd/0x310 [ 437.426314] ? kasan_check_read+0x11/0x20 [ 437.430491] ? __run_timers+0x7da/0xc70 [ 437.434474] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.439615] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.443856] ? br_mdb_free+0x80/0x80 [ 437.447592] __run_timers+0x7e5/0xc70 [ 437.451404] ? timer_fixup_init+0x70/0x70 [ 437.455552] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.460047] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.464548] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 437.469135] ? trace_hardirqs_on+0xbd/0x310 [ 437.473458] ? kasan_check_read+0x11/0x20 [ 437.477611] ? finish_task_switch+0x1f4/0x910 [ 437.482109] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.487221] ? compat_start_thread+0x80/0x80 [ 437.491659] ? pvclock_read_flags+0x160/0x160 [ 437.496154] ? __switch_to_asm+0x34/0x70 [ 437.500227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.505799] ? check_preemption_disabled+0x48/0x280 [ 437.510839] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 437.516407] ? rcu_pm_notify+0xc0/0xc0 [ 437.520295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.525835] ? check_preemption_disabled+0x48/0x280 [ 437.530864] run_timer_softirq+0x52/0xb0 [ 437.534937] ? rcu_read_lock_sched_held+0x14f/0x180 [ 437.539954] __do_softirq+0x308/0xb7e [ 437.543773] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 437.548879] ? smpboot_thread_fn+0x334/0xa00 [ 437.553302] ? schedule+0x108/0x460 [ 437.556940] ? trace_hardirqs_off+0xb8/0x310 [ 437.561350] ? smpboot_thread_fn+0x68b/0xa00 [ 437.565761] ? trace_hardirqs_on+0x310/0x310 [ 437.570174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.575747] ? check_preemption_disabled+0x48/0x280 [ 437.580764] ? takeover_tasklets+0xa90/0xa90 [ 437.585173] run_ksoftirqd+0x5e/0x100 [ 437.588997] smpboot_thread_fn+0x68b/0xa00 [ 437.593234] ? sort_range+0x30/0x30 [ 437.596859] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 437.601959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.607500] ? __kthread_parkme+0xfb/0x1a0 [ 437.611742] ? sort_range+0x30/0x30 [ 437.615369] kthread+0x35a/0x440 [ 437.618736] ? kthread_stop+0x900/0x900 [ 437.622735] ret_from_fork+0x3a/0x50 [ 437.626474] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 437.626489] warn_alloc_show_mem: 1 callbacks suppressed [ 437.626493] Mem-Info: [ 437.633840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.639213] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 437.639213] active_file:15 inactive_file:12 isolated_file:0 [ 437.639213] unevictable:0 dirty:0 writeback:0 unstable:0 [ 437.639213] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 437.639213] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 437.639213] free:13769 free_pcp:294 free_cma:0 [ 437.641603] Call Trace: [ 437.650984] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 437.684093] [ 437.686662] 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 [ 437.714498] dump_stack+0x244/0x39d [ 437.716624] lowmem_reserve[]: 0 2818 6321 6321 [ 437.742729] ? dump_stack_print_info.cold.1+0x20/0x20 [ 437.746329] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 437.750906] warn_alloc.cold.116+0xb7/0x1bd [ 437.756062] lowmem_reserve[]: 0 0 3503 3503 [ 437.783463] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.787774] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 437.792087] ? lock_downgrade+0x900/0x900 [ 437.796899] lowmem_reserve[]: 0 0 0 0 [ 437.825947] ? trace_hardirqs_off+0xb8/0x310 [ 437.830066] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 437.833859] ? trace_hardirqs_off+0xb8/0x310 [ 437.838237] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 437.851753] __alloc_pages_slowpath+0x26e8/0x2e10 [ 437.856132] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 437.871680] ? warn_alloc+0x120/0x120 [ 437.876507] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 437.891247] ? warn_alloc+0x120/0x120 [ 437.895026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 437.903849] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 437.907622] 12557 total pagecache pages [ 437.916183] ? warn_alloc+0x120/0x120 [ 437.921184] 0 pages in swap cache [ 437.925174] ? print_usage_bug+0xc0/0xc0 [ 437.928969] Swap cache stats: add 0, delete 0, find 0/0 [ 437.932412] ? print_usage_bug+0xc0/0xc0 [ 437.936445] Free swap = 0kB [ 437.941798] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 437.945838] Total swap = 0kB [ 437.948852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.954012] 1965979 pages RAM [ 437.957051] ? should_fail+0x22d/0xd01 [ 437.962571] 0 pages HighMem/MovableOnly [ 437.965686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.969547] 342853 pages reserved [ 437.973513] ? __lock_acquire+0x62f/0x4c20 [ 437.978589] 0 pages cma reserved [ 437.982032] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.986369] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.989594] ? should_fail+0x22d/0xd01 [ 437.994670] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 438.004988] ? mark_held_locks+0x130/0x130 [ 438.017752] ? mark_held_locks+0x130/0x130 [ 438.021984] ? print_usage_bug+0xc0/0xc0 [ 438.026043] ? find_held_lock+0x36/0x1c0 [ 438.030098] ? zap_class+0x640/0x640 [ 438.033812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.039348] ? check_preemption_disabled+0x48/0x280 [ 438.044367] ? __lock_is_held+0xb5/0x140 [ 438.048426] __alloc_pages_nodemask+0xa80/0xde0 [ 438.053090] ? zap_class+0x640/0x640 [ 438.056804] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 438.061841] ? find_held_lock+0x36/0x1c0 [ 438.065927] ? ____cache_alloc_node+0x1c7/0x1e0 [ 438.070596] ? lock_downgrade+0x900/0x900 [ 438.074767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.080311] cache_grow_begin+0xa5/0x8c0 [ 438.084374] ? do_raw_spin_unlock+0xa7/0x330 [ 438.088789] fallback_alloc+0x204/0x2e0 [ 438.092779] ____cache_alloc_node+0x1c7/0x1e0 [ 438.097280] kmem_cache_alloc_node+0xe3/0x730 [ 438.101772] ? mark_held_locks+0xc7/0x130 [ 438.105929] __alloc_skb+0x119/0x770 [ 438.109645] ? netdev_alloc_frag+0x1f0/0x1f0 [ 438.114053] ? do_raw_spin_trylock+0x270/0x270 [ 438.118636] ? kmem_cache_alloc_trace+0x353/0x750 [ 438.123496] ? queue_work_on+0x12c/0x1e0 [ 438.127562] ? switchdev_port_obj_del+0xdc/0x440 [ 438.132326] ? switchdev_trans_item_enqueue+0x260/0x260 [ 438.137723] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 438.142760] __br_mdb_notify+0x4ff/0x15d0 [ 438.146914] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 438.152035] ? __br_mdb_add+0x7f0/0x7f0 [ 438.156026] ? mark_held_locks+0x130/0x130 [ 438.160262] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 438.165380] ? debug_object_assert_init+0x368/0x4b0 [ 438.170393] ? debug_object_init_on_stack+0x20/0x20 [ 438.175422] ? zap_class+0x640/0x640 [ 438.179132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.184703] br_mdb_notify+0x310/0x410 [ 438.188588] ? br_mdb_dump+0x27b0/0x27b0 [ 438.192661] br_multicast_del_pg+0x3df/0x790 [ 438.197076] ? br_mdb_ip_get+0x940/0x940 [ 438.201136] ? rwlock_bug.part.2+0x90/0x90 [ 438.205375] ? __lock_is_held+0xb5/0x140 [ 438.209447] br_multicast_port_group_expired+0x189/0x1e0 [ 438.215348] call_timer_fn+0x272/0x920 [ 438.219236] ? br_multicast_del_pg+0x790/0x790 [ 438.223814] ? process_timeout+0x40/0x40 [ 438.227920] ? __run_timers+0x7da/0xc70 [ 438.231927] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.236426] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.240918] ? br_multicast_del_pg+0x790/0x790 [ 438.245529] ? lockdep_hardirqs_on+0x296/0x5b0 [ 438.250128] ? trace_hardirqs_on+0xbd/0x310 [ 438.254444] ? kasan_check_read+0x11/0x20 [ 438.258634] ? __run_timers+0x7da/0xc70 [ 438.262608] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.267711] ? br_multicast_del_pg+0x790/0x790 [ 438.272300] ? br_multicast_del_pg+0x790/0x790 [ 438.276891] __run_timers+0x7e5/0xc70 [ 438.280721] ? timer_fixup_init+0x70/0x70 [ 438.284870] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 438.289898] ? zap_class+0x640/0x640 [ 438.293640] ? enqueue_hrtimer+0x1a5/0x560 [ 438.297877] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 438.303071] ? find_held_lock+0x36/0x1c0 [ 438.307140] ? zap_class+0x640/0x640 [ 438.310874] ? pvclock_read_flags+0x160/0x160 [ 438.315376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.320932] ? check_preemption_disabled+0x48/0x280 [ 438.325960] ? __lock_is_held+0xb5/0x140 [ 438.330025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.335566] ? check_preemption_disabled+0x48/0x280 [ 438.341516] run_timer_softirq+0x52/0xb0 [ 438.345576] ? rcu_read_lock_sched_held+0x14f/0x180 [ 438.350609] __do_softirq+0x308/0xb7e [ 438.354413] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 438.358904] ? lock_downgrade+0x900/0x900 [ 438.363057] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 438.368164] ? pvclock_read_flags+0x160/0x160 [ 438.372665] ? lapic_next_event+0x5a/0x90 [ 438.376834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.382390] ? kvm_clock_read+0x18/0x30 [ 438.386364] ? kvm_sched_clock_read+0x9/0x20 [ 438.390777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.396329] ? check_preemption_disabled+0x48/0x280 [ 438.401355] irq_exit+0x17f/0x1c0 [ 438.404810] smp_apic_timer_interrupt+0x1cb/0x760 [ 438.409667] ? smp_reschedule_interrupt+0x109/0x650 [ 438.414683] ? smp_call_function_single_interrupt+0x650/0x650 [ 438.420568] ? interrupt_entry+0xb5/0xc0 [ 438.424633] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.429665] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.434678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.439522] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.444534] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.449548] ? task_prio+0x50/0x50 [ 438.453087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.458622] ? check_preemption_disabled+0x48/0x280 [ 438.463657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.468522] apic_timer_interrupt+0xf/0x20 [ 438.472762] [ 438.475000] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 438.480883] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 438.499794] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 438.507509] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 438.514772] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 438.522035] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 438.529302] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 438.536563] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 438.543856] ? save_stack+0xa9/0xd0 [ 438.547488] __kmalloc_node_track_caller+0x3c/0x70 [ 438.552420] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 438.557181] pskb_expand_head+0x230/0x10f0 [ 438.561437] ? check_preemption_disabled+0x48/0x280 [ 438.566458] ? memcpy+0x45/0x50 [ 438.569739] ? __copy_skb_header+0x350/0x6b0 [ 438.574147] ? skb_release_data+0x880/0x880 [ 438.578466] ? __alloc_skb+0x770/0x770 [ 438.582361] ? __lock_is_held+0xb5/0x140 [ 438.586448] ? kasan_check_write+0x14/0x20 [ 438.590679] ? __skb_clone+0x6c7/0xa00 [ 438.594571] ? __copy_skb_header+0x6b0/0x6b0 [ 438.598986] ? kmem_cache_alloc+0x33a/0x730 [ 438.603335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.608875] skb_ensure_writable+0x3dd/0x640 [ 438.613312] ? skb_checksum_setup+0xaa0/0xaa0 [ 438.617826] ? preempt_notifier_register+0x200/0x200 [ 438.622926] ? __switch_to_asm+0x34/0x70 [ 438.626990] ? __switch_to_asm+0x34/0x70 [ 438.631047] ? __switch_to_asm+0x40/0x70 [ 438.635101] ? __switch_to_asm+0x34/0x70 [ 438.639157] ? __switch_to_asm+0x40/0x70 [ 438.643256] ? __switch_to_asm+0x40/0x70 [ 438.647316] ? __switch_to_asm+0x34/0x70 [ 438.651374] ? __switch_to_asm+0x34/0x70 [ 438.655435] ? __switch_to_asm+0x40/0x70 [ 438.659493] ? __switch_to_asm+0x34/0x70 [ 438.663605] bpf_clone_redirect+0x14a/0x490 [ 438.667965] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 438.672985] ? __sched_text_start+0x8/0x8 [ 438.677132] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 438.681900] ? find_held_lock+0x36/0x1c0 [ 438.685970] ? lock_acquire+0x1ed/0x520 [ 438.689947] ? bpf_test_run+0x3cb/0x780 [ 438.693923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.699468] ? check_preemption_disabled+0x48/0x280 [ 438.704496] ? kasan_check_read+0x11/0x20 [ 438.708646] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.713925] ? rcu_softirq_qs+0x20/0x20 [ 438.717900] ? preempt_schedule+0x4d/0x60 [ 438.722063] ? ___preempt_schedule+0x16/0x18 [ 438.726479] ? bpf_test_run+0x25d/0x780 [ 438.730470] ? netlink_diag_dump+0x2a0/0x2a0 [ 438.734898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.740430] ? bpf_test_init.isra.10+0x70/0x100 [ 438.745105] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 438.749871] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 438.754706] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 438.760253] ? fput+0x130/0x1a0 [ 438.763542] ? __bpf_prog_get+0x9b/0x290 [ 438.767603] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 438.772442] ? bpf_prog_test_run+0x130/0x1a0 [ 438.776860] ? __x64_sys_bpf+0x3db/0x520 [ 438.780917] ? bpf_prog_get+0x20/0x20 [ 438.784741] ? do_syscall_64+0x1b9/0x820 [ 438.788797] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 438.794158] ? syscall_return_slowpath+0x5e0/0x5e0 [ 438.799086] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.804098] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 438.809118] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 438.815800] ? __switch_to_asm+0x40/0x70 [ 438.819873] ? __switch_to_asm+0x34/0x70 [ 438.823940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.828802] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 438.834177] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 438.834332] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 438.841116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 438.851584] syz-executor2 cpuset=syz2 mems_allowed=0 [ 438.860927] Call Trace: [ 438.868611] dump_stack+0x244/0x39d [ 438.872245] ? dump_stack_print_info.cold.1+0x20/0x20 [ 438.877460] warn_alloc.cold.116+0xb7/0x1bd [ 438.881787] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 438.886663] ? lock_downgrade+0x900/0x900 [ 438.890819] ? trace_hardirqs_off+0xb8/0x310 [ 438.895242] ? trace_hardirqs_off+0xb8/0x310 [ 438.899660] __alloc_pages_slowpath+0x26e8/0x2e10 [ 438.904532] ? warn_alloc+0x120/0x120 [ 438.908339] ? warn_alloc+0x120/0x120 [ 438.912148] ? warn_alloc+0x120/0x120 [ 438.915949] ? print_usage_bug+0xc0/0xc0 [ 438.920010] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 438.925034] ? print_usage_bug+0xc0/0xc0 [ 438.929094] ? print_usage_bug+0xc0/0xc0 [ 438.933165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.938714] ? should_fail+0x22d/0xd01 [ 438.942601] ? mark_held_locks+0x130/0x130 [ 438.946857] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.951960] ? __lock_acquire+0x62f/0x4c20 [ 438.956205] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.961323] ? __lock_acquire+0x62f/0x4c20 [ 438.965558] ? should_fail+0x22d/0xd01 [ 438.969442] ? print_usage_bug+0xc0/0xc0 [ 438.973524] ? mark_held_locks+0x130/0x130 [ 438.977765] ? mark_held_locks+0x130/0x130 [ 438.982009] ? zap_class+0x640/0x640 [ 438.985726] ? ret_from_fork+0x3a/0x50 [ 438.989619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.995158] ? check_preemption_disabled+0x48/0x280 [ 439.000182] ? __lock_is_held+0xb5/0x140 [ 439.004278] __alloc_pages_nodemask+0xa80/0xde0 [ 439.008963] ? zap_class+0x640/0x640 [ 439.012684] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 439.017718] ? find_held_lock+0x36/0x1c0 [ 439.021789] ? ____cache_alloc_node+0x1c7/0x1e0 [ 439.026458] ? lock_downgrade+0x900/0x900 [ 439.030610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.036151] cache_grow_begin+0xa5/0x8c0 [ 439.040216] ? do_raw_spin_unlock+0xa7/0x330 [ 439.044639] fallback_alloc+0x204/0x2e0 [ 439.048619] ____cache_alloc_node+0x1c7/0x1e0 [ 439.053120] kmem_cache_alloc_node+0xe3/0x730 [ 439.057610] ? mark_held_locks+0xc7/0x130 [ 439.061764] __alloc_skb+0x119/0x770 [ 439.065489] ? netdev_alloc_frag+0x1f0/0x1f0 [ 439.069898] ? do_raw_spin_trylock+0x270/0x270 [ 439.074479] ? kmem_cache_alloc_trace+0x353/0x750 [ 439.079361] ? queue_work_on+0x12c/0x1e0 [ 439.083429] ? switchdev_port_obj_del+0xdc/0x440 [ 439.088183] ? switchdev_trans_item_enqueue+0x260/0x260 [ 439.093556] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 439.098575] __br_mdb_notify+0x4ff/0x15d0 [ 439.102735] ? __br_mdb_add+0x7f0/0x7f0 [ 439.106727] ? zap_class+0x640/0x640 [ 439.110457] ? br_multicast_group_expired+0x96/0x610 [ 439.115596] ? lock_downgrade+0x900/0x900 [ 439.119768] br_mdb_notify+0x310/0x410 [ 439.123656] ? br_mdb_dump+0x27b0/0x27b0 [ 439.127740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.133311] br_multicast_group_expired+0x1bc/0x610 [ 439.138331] ? br_mdb_free+0x80/0x80 [ 439.142056] call_timer_fn+0x272/0x920 [ 439.145941] ? br_mdb_free+0x80/0x80 [ 439.149653] ? process_timeout+0x40/0x40 [ 439.153728] ? __run_timers+0x7da/0xc70 [ 439.157727] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.162263] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.166759] ? br_mdb_free+0x80/0x80 [ 439.170476] ? lockdep_hardirqs_on+0x296/0x5b0 [ 439.175058] ? trace_hardirqs_on+0xbd/0x310 [ 439.179377] ? kasan_check_read+0x11/0x20 [ 439.183520] ? __run_timers+0x7da/0xc70 [ 439.187496] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.192602] ? br_mdb_free+0x80/0x80 [ 439.196323] ? br_mdb_free+0x80/0x80 [ 439.200037] __run_timers+0x7e5/0xc70 [ 439.203850] ? timer_fixup_init+0x70/0x70 [ 439.207994] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.212489] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.216991] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 439.221578] ? trace_hardirqs_on+0xbd/0x310 [ 439.225901] ? kasan_check_read+0x11/0x20 [ 439.230051] ? finish_task_switch+0x1f4/0x910 [ 439.234550] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.239655] ? compat_start_thread+0x80/0x80 [ 439.244084] ? pvclock_read_flags+0x160/0x160 [ 439.248573] ? __switch_to_asm+0x34/0x70 [ 439.252638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.258179] ? check_preemption_disabled+0x48/0x280 [ 439.263229] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 439.268769] ? rcu_pm_notify+0xc0/0xc0 [ 439.272661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.278208] ? check_preemption_disabled+0x48/0x280 [ 439.283247] run_timer_softirq+0x52/0xb0 [ 439.287339] ? rcu_read_lock_sched_held+0x14f/0x180 [ 439.292360] __do_softirq+0x308/0xb7e [ 439.296187] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 439.301302] ? smpboot_thread_fn+0x334/0xa00 [ 439.305718] ? schedule+0x108/0x460 [ 439.309365] ? trace_hardirqs_off+0xb8/0x310 [ 439.313773] ? smpboot_thread_fn+0x68b/0xa00 [ 439.318181] ? trace_hardirqs_on+0x310/0x310 [ 439.322601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.328150] ? check_preemption_disabled+0x48/0x280 [ 439.333170] ? takeover_tasklets+0xa90/0xa90 [ 439.337618] run_ksoftirqd+0x5e/0x100 [ 439.341418] smpboot_thread_fn+0x68b/0xa00 [ 439.346110] ? sort_range+0x30/0x30 [ 439.349754] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 439.354859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.360414] ? __kthread_parkme+0xfb/0x1a0 [ 439.364653] ? sort_range+0x30/0x30 [ 439.368299] kthread+0x35a/0x440 [ 439.371670] ? kthread_stop+0x900/0x900 [ 439.375646] ret_from_fork+0x3a/0x50 [ 439.379405] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 439.379410] warn_alloc_show_mem: 1 callbacks suppressed [ 439.379418] Mem-Info: [ 439.386775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.392157] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 439.392157] active_file:15 inactive_file:12 isolated_file:0 [ 439.392157] unevictable:0 dirty:0 writeback:0 unstable:0 [ 439.392157] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 439.392157] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 439.392157] free:13769 free_pcp:294 free_cma:0 [ 439.394530] Call Trace: [ 439.403931] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 439.437030] [ 439.439598] 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 [ 439.467454] dump_stack+0x244/0x39d [ 439.469581] lowmem_reserve[]: 0 2818 6321 6321 [ 439.495685] ? dump_stack_print_info.cold.1+0x20/0x20 [ 439.499284] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 439.503867] warn_alloc.cold.116+0xb7/0x1bd [ 439.509027] lowmem_reserve[]: 0 0 3503 3503 [ 439.536435] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 439.540749] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 439.545091] ? lock_downgrade+0x900/0x900 [ 439.549906] lowmem_reserve[]: 0 0 0 0 [ 439.578964] ? trace_hardirqs_off+0xb8/0x310 [ 439.583085] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 439.586880] ? trace_hardirqs_off+0xb8/0x310 [ 439.591282] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 439.604802] __alloc_pages_slowpath+0x26e8/0x2e10 [ 439.609182] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 439.624730] ? warn_alloc+0x120/0x120 [ 439.629539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 439.644262] ? warn_alloc+0x120/0x120 [ 439.648042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 439.656865] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 439.660650] 12557 total pagecache pages [ 439.669223] ? warn_alloc+0x120/0x120 [ 439.674224] 0 pages in swap cache [ 439.678183] ? print_usage_bug+0xc0/0xc0 [ 439.681966] Swap cache stats: add 0, delete 0, find 0/0 [ 439.685429] ? print_usage_bug+0xc0/0xc0 [ 439.689468] Free swap = 0kB [ 439.694822] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 439.698863] Total swap = 0kB [ 439.701879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.707042] 1965979 pages RAM [ 439.710056] ? should_fail+0x22d/0xd01 [ 439.715564] 0 pages HighMem/MovableOnly [ 439.715573] 342853 pages reserved [ 439.718689] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.722558] 0 pages cma reserved [ 439.726526] ? __lock_acquire+0x62f/0x4c20 [ 439.730081] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 439.735046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.738387] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 439.742626] ? should_fail+0x22d/0xd01 [ 439.766558] ? mark_held_locks+0x130/0x130 [ 439.770799] ? mark_held_locks+0x130/0x130 [ 439.775034] ? print_usage_bug+0xc0/0xc0 [ 439.779102] ? find_held_lock+0x36/0x1c0 [ 439.783169] ? zap_class+0x640/0x640 [ 439.786898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.792450] ? check_preemption_disabled+0x48/0x280 [ 439.797475] ? __lock_is_held+0xb5/0x140 [ 439.801542] __alloc_pages_nodemask+0xa80/0xde0 [ 439.806225] ? zap_class+0x640/0x640 [ 439.809946] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 439.814973] ? find_held_lock+0x36/0x1c0 [ 439.819044] ? ____cache_alloc_node+0x1c7/0x1e0 [ 439.823714] ? lock_downgrade+0x900/0x900 [ 439.827871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.833413] cache_grow_begin+0xa5/0x8c0 [ 439.837476] ? do_raw_spin_unlock+0xa7/0x330 [ 439.841891] fallback_alloc+0x204/0x2e0 [ 439.845904] ____cache_alloc_node+0x1c7/0x1e0 [ 439.850406] kmem_cache_alloc_node+0xe3/0x730 [ 439.854900] ? mark_held_locks+0xc7/0x130 [ 439.859059] __alloc_skb+0x119/0x770 [ 439.862793] ? netdev_alloc_frag+0x1f0/0x1f0 [ 439.867211] ? do_raw_spin_trylock+0x270/0x270 [ 439.871810] ? kmem_cache_alloc_trace+0x353/0x750 [ 439.876657] ? queue_work_on+0x12c/0x1e0 [ 439.880722] ? switchdev_port_obj_del+0xdc/0x440 [ 439.885482] ? switchdev_trans_item_enqueue+0x260/0x260 [ 439.890853] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 439.895871] __br_mdb_notify+0x4ff/0x15d0 [ 439.900017] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 439.905146] ? __br_mdb_add+0x7f0/0x7f0 [ 439.909126] ? mark_held_locks+0x130/0x130 [ 439.913368] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 439.918475] ? debug_object_assert_init+0x368/0x4b0 [ 439.923494] ? debug_object_init_on_stack+0x20/0x20 [ 439.928510] ? zap_class+0x640/0x640 [ 439.932239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.937794] br_mdb_notify+0x310/0x410 [ 439.941680] ? br_mdb_dump+0x27b0/0x27b0 [ 439.945757] br_multicast_del_pg+0x3df/0x790 [ 439.950175] ? br_mdb_ip_get+0x940/0x940 [ 439.954253] ? rwlock_bug.part.2+0x90/0x90 [ 439.958494] ? __lock_is_held+0xb5/0x140 [ 439.962568] br_multicast_port_group_expired+0x189/0x1e0 [ 439.968021] call_timer_fn+0x272/0x920 [ 439.971912] ? br_multicast_del_pg+0x790/0x790 [ 439.976497] ? process_timeout+0x40/0x40 [ 439.980564] ? __run_timers+0x7da/0xc70 [ 439.984542] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.989073] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.993580] ? br_multicast_del_pg+0x790/0x790 [ 439.998162] ? lockdep_hardirqs_on+0x296/0x5b0 [ 440.002755] ? trace_hardirqs_on+0xbd/0x310 [ 440.007088] ? kasan_check_read+0x11/0x20 [ 440.011232] ? __run_timers+0x7da/0xc70 [ 440.015249] ? trace_hardirqs_off_caller+0x310/0x310 [ 440.020358] ? br_multicast_del_pg+0x790/0x790 [ 440.024963] ? br_multicast_del_pg+0x790/0x790 [ 440.029561] __run_timers+0x7e5/0xc70 [ 440.033384] ? timer_fixup_init+0x70/0x70 [ 440.037536] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 440.042557] ? zap_class+0x640/0x640 [ 440.046275] ? enqueue_hrtimer+0x1a5/0x560 [ 440.050529] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 440.055742] ? find_held_lock+0x36/0x1c0 [ 440.059846] ? zap_class+0x640/0x640 [ 440.063562] ? pvclock_read_flags+0x160/0x160 [ 440.068057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.073606] ? check_preemption_disabled+0x48/0x280 [ 440.078666] ? __lock_is_held+0xb5/0x140 [ 440.082730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.088276] ? check_preemption_disabled+0x48/0x280 [ 440.093301] run_timer_softirq+0x52/0xb0 [ 440.097368] ? rcu_read_lock_sched_held+0x14f/0x180 [ 440.102390] __do_softirq+0x308/0xb7e [ 440.106211] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 440.110706] ? lock_downgrade+0x900/0x900 [ 440.114862] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 440.120020] ? pvclock_read_flags+0x160/0x160 [ 440.124536] ? lapic_next_event+0x5a/0x90 [ 440.128687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.134236] ? kvm_clock_read+0x18/0x30 [ 440.138248] ? kvm_sched_clock_read+0x9/0x20 [ 440.142657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.148200] ? check_preemption_disabled+0x48/0x280 [ 440.153247] irq_exit+0x17f/0x1c0 [ 440.156721] smp_apic_timer_interrupt+0x1cb/0x760 [ 440.161562] ? smp_reschedule_interrupt+0x109/0x650 [ 440.166580] ? smp_call_function_single_interrupt+0x650/0x650 [ 440.172467] ? interrupt_entry+0xb5/0xc0 [ 440.176548] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.181562] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.186588] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.191428] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.196442] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.201456] ? task_prio+0x50/0x50 [ 440.204995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.210551] ? check_preemption_disabled+0x48/0x280 [ 440.216059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.220940] apic_timer_interrupt+0xf/0x20 [ 440.225181] [ 440.227454] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 440.233355] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 440.252283] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 440.260001] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 440.267269] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 440.274575] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 440.281838] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 440.289104] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 440.296399] ? save_stack+0xa9/0xd0 [ 440.300035] __kmalloc_node_track_caller+0x3c/0x70 [ 440.304967] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 440.309749] pskb_expand_head+0x230/0x10f0 [ 440.313984] ? check_preemption_disabled+0x48/0x280 [ 440.319007] ? memcpy+0x45/0x50 [ 440.322291] ? __copy_skb_header+0x350/0x6b0 [ 440.326706] ? skb_release_data+0x880/0x880 [ 440.331036] ? __alloc_skb+0x770/0x770 [ 440.334935] ? __lock_is_held+0xb5/0x140 [ 440.339007] ? kasan_check_write+0x14/0x20 [ 440.343259] ? __skb_clone+0x6c7/0xa00 [ 440.347150] ? __copy_skb_header+0x6b0/0x6b0 [ 440.351557] ? kmem_cache_alloc+0x33a/0x730 [ 440.355907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.361454] skb_ensure_writable+0x3dd/0x640 [ 440.365865] ? skb_checksum_setup+0xaa0/0xaa0 [ 440.370362] ? preempt_notifier_register+0x200/0x200 [ 440.375465] ? __switch_to_asm+0x34/0x70 [ 440.379528] ? __switch_to_asm+0x34/0x70 [ 440.383587] ? __switch_to_asm+0x40/0x70 [ 440.387689] ? __switch_to_asm+0x34/0x70 [ 440.391781] ? __switch_to_asm+0x40/0x70 [ 440.395845] ? __switch_to_asm+0x40/0x70 [ 440.399905] ? __switch_to_asm+0x34/0x70 [ 440.403961] ? __switch_to_asm+0x34/0x70 [ 440.408019] ? __switch_to_asm+0x40/0x70 [ 440.412080] ? __switch_to_asm+0x34/0x70 [ 440.416145] bpf_clone_redirect+0x14a/0x490 [ 440.420473] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 440.425491] ? __sched_text_start+0x8/0x8 [ 440.429640] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 440.434409] ? find_held_lock+0x36/0x1c0 [ 440.438493] ? lock_acquire+0x1ed/0x520 [ 440.442467] ? bpf_test_run+0x3cb/0x780 [ 440.446455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.451997] ? check_preemption_disabled+0x48/0x280 [ 440.457017] ? kasan_check_read+0x11/0x20 [ 440.461162] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.466462] ? rcu_softirq_qs+0x20/0x20 [ 440.470436] ? preempt_schedule+0x4d/0x60 [ 440.474584] ? ___preempt_schedule+0x16/0x18 [ 440.478999] ? bpf_test_run+0x25d/0x780 [ 440.482993] ? netlink_diag_dump+0x2a0/0x2a0 [ 440.487407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.492944] ? bpf_test_init.isra.10+0x70/0x100 [ 440.497620] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 440.502384] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 440.507250] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 440.512788] ? fput+0x130/0x1a0 [ 440.516072] ? __bpf_prog_get+0x9b/0x290 [ 440.520138] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 440.524981] ? bpf_prog_test_run+0x130/0x1a0 [ 440.529397] ? __x64_sys_bpf+0x3db/0x520 [ 440.533468] ? bpf_prog_get+0x20/0x20 [ 440.537314] ? do_syscall_64+0x1b9/0x820 [ 440.541381] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 440.546748] ? syscall_return_slowpath+0x5e0/0x5e0 [ 440.551697] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.556718] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 440.561741] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 440.568407] ? __switch_to_asm+0x40/0x70 [ 440.572471] ? __switch_to_asm+0x34/0x70 [ 440.576540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.581395] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 440.586781] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 440.586920] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 440.593722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.604189] syz-executor2 cpuset=syz2 mems_allowed=0 [ 440.613540] Call Trace: [ 440.621212] dump_stack+0x244/0x39d [ 440.624847] ? dump_stack_print_info.cold.1+0x20/0x20 [ 440.630055] warn_alloc.cold.116+0xb7/0x1bd [ 440.634381] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 440.639232] ? lock_downgrade+0x900/0x900 [ 440.643392] ? trace_hardirqs_off+0xb8/0x310 [ 440.647810] ? trace_hardirqs_off+0xb8/0x310 [ 440.652234] __alloc_pages_slowpath+0x26e8/0x2e10 [ 440.657110] ? warn_alloc+0x120/0x120 [ 440.660917] ? warn_alloc+0x120/0x120 [ 440.664729] ? warn_alloc+0x120/0x120 [ 440.668531] ? print_usage_bug+0xc0/0xc0 [ 440.672590] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 440.677614] ? print_usage_bug+0xc0/0xc0 [ 440.681682] ? print_usage_bug+0xc0/0xc0 [ 440.685759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.691315] ? should_fail+0x22d/0xd01 [ 440.695214] ? mark_held_locks+0x130/0x130 [ 440.699459] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.704567] ? __lock_acquire+0x62f/0x4c20 [ 440.708809] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.713913] ? __lock_acquire+0x62f/0x4c20 [ 440.718144] ? should_fail+0x22d/0xd01 [ 440.722029] ? print_usage_bug+0xc0/0xc0 [ 440.726105] ? mark_held_locks+0x130/0x130 [ 440.730348] ? mark_held_locks+0x130/0x130 [ 440.734612] ? zap_class+0x640/0x640 [ 440.738338] ? ret_from_fork+0x3a/0x50 [ 440.742238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.747775] ? check_preemption_disabled+0x48/0x280 [ 440.752798] ? __lock_is_held+0xb5/0x140 [ 440.756862] __alloc_pages_nodemask+0xa80/0xde0 [ 440.761536] ? zap_class+0x640/0x640 [ 440.765255] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 440.770285] ? find_held_lock+0x36/0x1c0 [ 440.774355] ? ____cache_alloc_node+0x1c7/0x1e0 [ 440.779025] ? lock_downgrade+0x900/0x900 [ 440.783180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.788747] cache_grow_begin+0xa5/0x8c0 [ 440.792820] ? do_raw_spin_unlock+0xa7/0x330 [ 440.797244] fallback_alloc+0x204/0x2e0 [ 440.801247] ____cache_alloc_node+0x1c7/0x1e0 [ 440.805746] kmem_cache_alloc_node+0xe3/0x730 [ 440.810240] ? mark_held_locks+0xc7/0x130 [ 440.814400] __alloc_skb+0x119/0x770 [ 440.818134] ? netdev_alloc_frag+0x1f0/0x1f0 [ 440.822543] ? do_raw_spin_trylock+0x270/0x270 [ 440.827126] ? kmem_cache_alloc_trace+0x353/0x750 [ 440.831975] ? queue_work_on+0x12c/0x1e0 [ 440.836041] ? switchdev_port_obj_del+0xdc/0x440 [ 440.840815] ? switchdev_trans_item_enqueue+0x260/0x260 [ 440.846184] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 440.851230] __br_mdb_notify+0x4ff/0x15d0 [ 440.855385] ? __br_mdb_add+0x7f0/0x7f0 [ 440.859371] ? zap_class+0x640/0x640 [ 440.863099] ? br_multicast_group_expired+0x96/0x610 [ 440.868214] ? lock_downgrade+0x900/0x900 [ 440.872368] br_mdb_notify+0x310/0x410 [ 440.876256] ? br_mdb_dump+0x27b0/0x27b0 [ 440.880341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.885890] br_multicast_group_expired+0x1bc/0x610 [ 440.890924] ? br_mdb_free+0x80/0x80 [ 440.894651] call_timer_fn+0x272/0x920 [ 440.898540] ? br_mdb_free+0x80/0x80 [ 440.902256] ? process_timeout+0x40/0x40 [ 440.906327] ? __run_timers+0x7da/0xc70 [ 440.910300] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.914799] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.919293] ? br_mdb_free+0x80/0x80 [ 440.923010] ? lockdep_hardirqs_on+0x296/0x5b0 [ 440.927598] ? trace_hardirqs_on+0xbd/0x310 [ 440.931935] ? kasan_check_read+0x11/0x20 [ 440.936095] ? __run_timers+0x7da/0xc70 [ 440.940070] ? trace_hardirqs_off_caller+0x310/0x310 [ 440.945181] ? br_mdb_free+0x80/0x80 [ 440.948911] ? br_mdb_free+0x80/0x80 [ 440.952621] __run_timers+0x7e5/0xc70 [ 440.956431] ? timer_fixup_init+0x70/0x70 [ 440.960580] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.965074] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.969572] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 440.974154] ? trace_hardirqs_on+0xbd/0x310 [ 440.978478] ? kasan_check_read+0x11/0x20 [ 440.982626] ? finish_task_switch+0x1f4/0x910 [ 440.987127] ? trace_hardirqs_off_caller+0x310/0x310 [ 440.992274] ? compat_start_thread+0x80/0x80 [ 440.996711] ? pvclock_read_flags+0x160/0x160 [ 441.001212] ? __switch_to_asm+0x34/0x70 [ 441.005282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.010830] ? check_preemption_disabled+0x48/0x280 [ 441.015855] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 441.021398] ? rcu_pm_notify+0xc0/0xc0 [ 441.025287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.030836] ? check_preemption_disabled+0x48/0x280 [ 441.035874] run_timer_softirq+0x52/0xb0 [ 441.039939] ? rcu_read_lock_sched_held+0x14f/0x180 [ 441.044992] __do_softirq+0x308/0xb7e [ 441.048847] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 441.053968] ? smpboot_thread_fn+0x334/0xa00 [ 441.058383] ? schedule+0x108/0x460 [ 441.062024] ? trace_hardirqs_off+0xb8/0x310 [ 441.066433] ? smpboot_thread_fn+0x68b/0xa00 [ 441.070847] ? trace_hardirqs_on+0x310/0x310 [ 441.075274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.080809] ? check_preemption_disabled+0x48/0x280 [ 441.085827] ? takeover_tasklets+0xa90/0xa90 [ 441.090255] run_ksoftirqd+0x5e/0x100 [ 441.094057] smpboot_thread_fn+0x68b/0xa00 [ 441.098298] ? sort_range+0x30/0x30 [ 441.101939] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 441.107042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.112577] ? __kthread_parkme+0xfb/0x1a0 [ 441.116816] ? sort_range+0x30/0x30 [ 441.120442] kthread+0x35a/0x440 [ 441.123816] ? kthread_stop+0x900/0x900 [ 441.127797] ret_from_fork+0x3a/0x50 [ 441.131532] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 441.131537] warn_alloc_show_mem: 1 callbacks suppressed [ 441.131545] Mem-Info: [ 441.138931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.144318] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 441.144318] active_file:15 inactive_file:12 isolated_file:0 [ 441.144318] unevictable:0 dirty:0 writeback:0 unstable:0 [ 441.144318] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 441.144318] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 441.144318] free:13769 free_pcp:294 free_cma:0 [ 441.146692] Call Trace: [ 441.156083] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 441.189180] [ 441.191756] 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 [ 441.219594] dump_stack+0x244/0x39d [ 441.221725] lowmem_reserve[]: 0 2818 6321 6321 [ 441.247824] ? dump_stack_print_info.cold.1+0x20/0x20 [ 441.251421] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 441.255998] warn_alloc.cold.116+0xb7/0x1bd [ 441.261157] lowmem_reserve[]: 0 0 3503 3503 [ 441.288578] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 441.292876] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 441.297203] ? lock_downgrade+0x900/0x900 [ 441.302036] lowmem_reserve[]: 0 0 0 0 [ 441.331095] ? trace_hardirqs_off+0xb8/0x310 [ 441.335224] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 441.339022] ? trace_hardirqs_off+0xb8/0x310 [ 441.343934] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 441.357459] __alloc_pages_slowpath+0x26e8/0x2e10 [ 441.361837] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 441.377390] ? warn_alloc+0x120/0x120 [ 441.382191] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 441.396927] ? warn_alloc+0x120/0x120 [ 441.400728] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 441.409548] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 441.413323] 12557 total pagecache pages [ 441.421885] ? warn_alloc+0x120/0x120 [ 441.426884] 0 pages in swap cache [ 441.430845] ? print_usage_bug+0xc0/0xc0 [ 441.434624] Swap cache stats: add 0, delete 0, find 0/0 [ 441.438065] ? print_usage_bug+0xc0/0xc0 [ 441.442098] Free swap = 0kB [ 441.447454] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 441.451489] Total swap = 0kB [ 441.454501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.459662] 1965979 pages RAM [ 441.462673] ? should_fail+0x22d/0xd01 [ 441.468174] 0 pages HighMem/MovableOnly [ 441.468183] 342853 pages reserved [ 441.471323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.475184] 0 pages cma reserved [ 441.479160] ? __lock_acquire+0x62f/0x4c20 [ 441.482715] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 441.487680] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.491026] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 441.495290] ? should_fail+0x22d/0xd01 [ 441.519211] ? mark_held_locks+0x130/0x130 [ 441.523450] ? mark_held_locks+0x130/0x130 [ 441.527684] ? print_usage_bug+0xc0/0xc0 [ 441.531749] ? find_held_lock+0x36/0x1c0 [ 441.535823] ? zap_class+0x640/0x640 [ 441.539570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.545109] ? check_preemption_disabled+0x48/0x280 [ 441.550133] ? __lock_is_held+0xb5/0x140 [ 441.554202] __alloc_pages_nodemask+0xa80/0xde0 [ 441.558869] ? zap_class+0x640/0x640 [ 441.562611] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 441.567631] ? find_held_lock+0x36/0x1c0 [ 441.571698] ? ____cache_alloc_node+0x1c7/0x1e0 [ 441.576366] ? lock_downgrade+0x900/0x900 [ 441.580530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.586066] cache_grow_begin+0xa5/0x8c0 [ 441.590124] ? do_raw_spin_unlock+0xa7/0x330 [ 441.594540] fallback_alloc+0x204/0x2e0 [ 441.598517] ____cache_alloc_node+0x1c7/0x1e0 [ 441.603015] kmem_cache_alloc_node+0xe3/0x730 [ 441.607508] ? mark_held_locks+0xc7/0x130 [ 441.611694] __alloc_skb+0x119/0x770 [ 441.615410] ? netdev_alloc_frag+0x1f0/0x1f0 [ 441.619812] ? do_raw_spin_trylock+0x270/0x270 [ 441.624408] ? kmem_cache_alloc_trace+0x353/0x750 [ 441.629263] ? queue_work_on+0x12c/0x1e0 [ 441.633342] ? switchdev_port_obj_del+0xdc/0x440 [ 441.638092] ? switchdev_trans_item_enqueue+0x260/0x260 [ 441.643461] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 441.648481] __br_mdb_notify+0x4ff/0x15d0 [ 441.652625] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 441.657744] ? __br_mdb_add+0x7f0/0x7f0 [ 441.661719] ? mark_held_locks+0x130/0x130 [ 441.665959] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 441.671063] ? debug_object_assert_init+0x368/0x4b0 [ 441.676078] ? debug_object_init_on_stack+0x20/0x20 [ 441.681103] ? zap_class+0x640/0x640 [ 441.684818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.690362] br_mdb_notify+0x310/0x410 [ 441.694258] ? br_mdb_dump+0x27b0/0x27b0 [ 441.698337] br_multicast_del_pg+0x3df/0x790 [ 441.702772] ? br_mdb_ip_get+0x940/0x940 [ 441.706834] ? rwlock_bug.part.2+0x90/0x90 [ 441.711088] ? __lock_is_held+0xb5/0x140 [ 441.715156] br_multicast_port_group_expired+0x189/0x1e0 [ 441.720609] call_timer_fn+0x272/0x920 [ 441.724496] ? br_multicast_del_pg+0x790/0x790 [ 441.729074] ? process_timeout+0x40/0x40 [ 441.733146] ? __run_timers+0x7da/0xc70 [ 441.737122] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.741611] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.746103] ? br_multicast_del_pg+0x790/0x790 [ 441.750683] ? lockdep_hardirqs_on+0x296/0x5b0 [ 441.755283] ? trace_hardirqs_on+0xbd/0x310 [ 441.759601] ? kasan_check_read+0x11/0x20 [ 441.763741] ? __run_timers+0x7da/0xc70 [ 441.767714] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.772819] ? br_multicast_del_pg+0x790/0x790 [ 441.777403] ? br_multicast_del_pg+0x790/0x790 [ 441.781976] __run_timers+0x7e5/0xc70 [ 441.785780] ? timer_fixup_init+0x70/0x70 [ 441.789925] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 441.794938] ? zap_class+0x640/0x640 [ 441.798647] ? enqueue_hrtimer+0x1a5/0x560 [ 441.802900] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 441.808113] ? find_held_lock+0x36/0x1c0 [ 441.812178] ? zap_class+0x640/0x640 [ 441.815930] ? pvclock_read_flags+0x160/0x160 [ 441.820435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.826006] ? check_preemption_disabled+0x48/0x280 [ 441.831029] ? __lock_is_held+0xb5/0x140 [ 441.835092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.840627] ? check_preemption_disabled+0x48/0x280 [ 441.845650] run_timer_softirq+0x52/0xb0 [ 441.849706] ? rcu_read_lock_sched_held+0x14f/0x180 [ 441.854722] __do_softirq+0x308/0xb7e [ 441.858531] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 441.863023] ? lock_downgrade+0x900/0x900 [ 441.867173] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 441.872306] ? pvclock_read_flags+0x160/0x160 [ 441.876833] ? lapic_next_event+0x5a/0x90 [ 441.880988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.886549] ? kvm_clock_read+0x18/0x30 [ 441.890524] ? kvm_sched_clock_read+0x9/0x20 [ 441.894930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.900470] ? check_preemption_disabled+0x48/0x280 [ 441.905496] irq_exit+0x17f/0x1c0 [ 441.908952] smp_apic_timer_interrupt+0x1cb/0x760 [ 441.913791] ? smp_reschedule_interrupt+0x109/0x650 [ 441.918836] ? smp_call_function_single_interrupt+0x650/0x650 [ 441.924721] ? interrupt_entry+0xb5/0xc0 [ 441.928802] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.933817] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.938831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.943677] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.948692] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.953720] ? task_prio+0x50/0x50 [ 441.957275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.962813] ? check_preemption_disabled+0x48/0x280 [ 441.967838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.972686] apic_timer_interrupt+0xf/0x20 [ 441.976914] [ 441.979154] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 441.985037] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 442.003933] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 442.011639] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 442.018921] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 442.026186] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 442.033475] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 442.040756] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 442.048046] ? save_stack+0xa9/0xd0 [ 442.051697] __kmalloc_node_track_caller+0x3c/0x70 [ 442.056638] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 442.061396] pskb_expand_head+0x230/0x10f0 [ 442.065628] ? check_preemption_disabled+0x48/0x280 [ 442.070644] ? memcpy+0x45/0x50 [ 442.073919] ? __copy_skb_header+0x350/0x6b0 [ 442.078326] ? skb_release_data+0x880/0x880 [ 442.082649] ? __alloc_skb+0x770/0x770 [ 442.086571] ? __lock_is_held+0xb5/0x140 [ 442.090652] ? kasan_check_write+0x14/0x20 [ 442.094884] ? __skb_clone+0x6c7/0xa00 [ 442.098768] ? __copy_skb_header+0x6b0/0x6b0 [ 442.103168] ? kmem_cache_alloc+0x33a/0x730 [ 442.107514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.113061] skb_ensure_writable+0x3dd/0x640 [ 442.117475] ? skb_checksum_setup+0xaa0/0xaa0 [ 442.121996] ? preempt_notifier_register+0x200/0x200 [ 442.127138] ? __switch_to_asm+0x34/0x70 [ 442.131202] ? __switch_to_asm+0x34/0x70 [ 442.135267] ? __switch_to_asm+0x40/0x70 [ 442.139329] ? __switch_to_asm+0x34/0x70 [ 442.143385] ? __switch_to_asm+0x40/0x70 [ 442.147442] ? __switch_to_asm+0x40/0x70 [ 442.151503] ? __switch_to_asm+0x34/0x70 [ 442.155562] ? __switch_to_asm+0x34/0x70 [ 442.159618] ? __switch_to_asm+0x40/0x70 [ 442.163677] ? __switch_to_asm+0x34/0x70 [ 442.167756] bpf_clone_redirect+0x14a/0x490 [ 442.172086] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 442.177103] ? __sched_text_start+0x8/0x8 [ 442.181252] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 442.186014] ? find_held_lock+0x36/0x1c0 [ 442.190081] ? lock_acquire+0x1ed/0x520 [ 442.194056] ? bpf_test_run+0x3cb/0x780 [ 442.198030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.203665] ? check_preemption_disabled+0x48/0x280 [ 442.208692] ? kasan_check_read+0x11/0x20 [ 442.213350] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.218627] ? rcu_softirq_qs+0x20/0x20 [ 442.222603] ? preempt_schedule+0x4d/0x60 [ 442.226774] ? ___preempt_schedule+0x16/0x18 [ 442.231202] ? bpf_test_run+0x25d/0x780 [ 442.235248] ? netlink_diag_dump+0x2a0/0x2a0 [ 442.239689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.245235] ? bpf_test_init.isra.10+0x70/0x100 [ 442.249911] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 442.254723] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 442.259563] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 442.265100] ? fput+0x130/0x1a0 [ 442.268385] ? __bpf_prog_get+0x9b/0x290 [ 442.272452] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 442.277293] ? bpf_prog_test_run+0x130/0x1a0 [ 442.281703] ? __x64_sys_bpf+0x3db/0x520 [ 442.285789] ? bpf_prog_get+0x20/0x20 [ 442.289611] ? do_syscall_64+0x1b9/0x820 [ 442.293671] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 442.299051] ? syscall_return_slowpath+0x5e0/0x5e0 [ 442.304000] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.309031] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 442.314052] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 442.320723] ? __switch_to_asm+0x40/0x70 [ 442.324797] ? __switch_to_asm+0x34/0x70 [ 442.328865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.333712] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 442.339964] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147 [ 442.340104] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 442.346911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.357379] syz-executor2 cpuset=syz2 mems_allowed=0 [ 442.366720] Call Trace: [ 442.374405] dump_stack+0x244/0x39d [ 442.378042] ? dump_stack_print_info.cold.1+0x20/0x20 [ 442.383244] warn_alloc.cold.116+0xb7/0x1bd [ 442.387569] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 442.392416] ? lock_downgrade+0x900/0x900 [ 442.396601] ? trace_hardirqs_off+0xb8/0x310 [ 442.401016] ? trace_hardirqs_off+0xb8/0x310 [ 442.405433] __alloc_pages_slowpath+0x26e8/0x2e10 [ 442.410321] ? warn_alloc+0x120/0x120 [ 442.414129] ? warn_alloc+0x120/0x120 [ 442.417932] ? warn_alloc+0x120/0x120 [ 442.421740] ? print_usage_bug+0xc0/0xc0 [ 442.425800] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 442.430838] ? print_usage_bug+0xc0/0xc0 [ 442.434901] ? print_usage_bug+0xc0/0xc0 [ 442.438969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.444508] ? should_fail+0x22d/0xd01 [ 442.448393] ? mark_held_locks+0x130/0x130 [ 442.452627] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.457728] ? __lock_acquire+0x62f/0x4c20 [ 442.461966] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.467068] ? __lock_acquire+0x62f/0x4c20 [ 442.471303] ? should_fail+0x22d/0xd01 [ 442.475203] ? print_usage_bug+0xc0/0xc0 [ 442.479276] ? mark_held_locks+0x130/0x130 [ 442.483515] ? mark_held_locks+0x130/0x130 [ 442.487758] ? zap_class+0x640/0x640 [ 442.491470] ? ret_from_fork+0x3a/0x50 [ 442.495361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.500900] ? check_preemption_disabled+0x48/0x280 [ 442.505923] ? __lock_is_held+0xb5/0x140 [ 442.509989] __alloc_pages_nodemask+0xa80/0xde0 [ 442.514654] ? zap_class+0x640/0x640 [ 442.518392] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 442.523421] ? find_held_lock+0x36/0x1c0 [ 442.527488] ? ____cache_alloc_node+0x1c7/0x1e0 [ 442.532159] ? lock_downgrade+0x900/0x900 [ 442.536314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.541855] cache_grow_begin+0xa5/0x8c0 [ 442.545918] ? do_raw_spin_unlock+0xa7/0x330 [ 442.550360] fallback_alloc+0x204/0x2e0 [ 442.554359] ____cache_alloc_node+0x1c7/0x1e0 [ 442.558858] kmem_cache_alloc_node+0xe3/0x730 [ 442.563365] ? mark_held_locks+0xc7/0x130 [ 442.567527] __alloc_skb+0x119/0x770 [ 442.571264] ? netdev_alloc_frag+0x1f0/0x1f0 [ 442.575670] ? do_raw_spin_trylock+0x270/0x270 [ 442.580253] ? kmem_cache_alloc_trace+0x353/0x750 [ 442.585097] ? queue_work_on+0x12c/0x1e0 [ 442.589160] ? switchdev_port_obj_del+0xdc/0x440 [ 442.593921] ? switchdev_trans_item_enqueue+0x260/0x260 [ 442.599289] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 442.604312] __br_mdb_notify+0x4ff/0x15d0 [ 442.608470] ? __br_mdb_add+0x7f0/0x7f0 [ 442.612458] ? zap_class+0x640/0x640 [ 442.616182] ? br_multicast_group_expired+0x96/0x610 [ 442.621298] ? lock_downgrade+0x900/0x900 [ 442.625460] br_mdb_notify+0x310/0x410 [ 442.629346] ? br_mdb_dump+0x27b0/0x27b0 [ 442.633409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.638954] br_multicast_group_expired+0x1bc/0x610 [ 442.643973] ? br_mdb_free+0x80/0x80 [ 442.647703] call_timer_fn+0x272/0x920 [ 442.651594] ? br_mdb_free+0x80/0x80 [ 442.655311] ? process_timeout+0x40/0x40 [ 442.659413] ? __run_timers+0x7da/0xc70 [ 442.663387] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.667883] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.672386] ? br_mdb_free+0x80/0x80 [ 442.676101] ? lockdep_hardirqs_on+0x296/0x5b0 [ 442.680701] ? trace_hardirqs_on+0xbd/0x310 [ 442.685026] ? kasan_check_read+0x11/0x20 [ 442.689174] ? __run_timers+0x7da/0xc70 [ 442.693157] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.698268] ? br_mdb_free+0x80/0x80 [ 442.701989] ? br_mdb_free+0x80/0x80 [ 442.705734] __run_timers+0x7e5/0xc70 [ 442.709549] ? timer_fixup_init+0x70/0x70 [ 442.713699] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.718205] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.722698] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 442.727281] ? trace_hardirqs_on+0xbd/0x310 [ 442.731596] ? kasan_check_read+0x11/0x20 [ 442.735764] ? finish_task_switch+0x1f4/0x910 [ 442.740276] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.745381] ? compat_start_thread+0x80/0x80 [ 442.749807] ? pvclock_read_flags+0x160/0x160 [ 442.754324] ? __switch_to_asm+0x34/0x70 [ 442.758386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.763923] ? check_preemption_disabled+0x48/0x280 [ 442.768962] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 442.774528] ? rcu_pm_notify+0xc0/0xc0 [ 442.778428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.783983] ? check_preemption_disabled+0x48/0x280 [ 442.788999] run_timer_softirq+0x52/0xb0 [ 442.793058] ? rcu_read_lock_sched_held+0x14f/0x180 [ 442.798072] __do_softirq+0x308/0xb7e [ 442.801883] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 442.806986] ? smpboot_thread_fn+0x334/0xa00 [ 442.811452] ? schedule+0x108/0x460 [ 442.815103] ? trace_hardirqs_off+0xb8/0x310 [ 442.819525] ? smpboot_thread_fn+0x68b/0xa00 [ 442.823931] ? trace_hardirqs_on+0x310/0x310 [ 442.828368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.833916] ? check_preemption_disabled+0x48/0x280 [ 442.838931] ? takeover_tasklets+0xa90/0xa90 [ 442.843343] run_ksoftirqd+0x5e/0x100 [ 442.847140] smpboot_thread_fn+0x68b/0xa00 [ 442.851380] ? sort_range+0x30/0x30 [ 442.855013] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 442.860138] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.865674] ? __kthread_parkme+0xfb/0x1a0 [ 442.869919] ? sort_range+0x30/0x30 [ 442.873545] kthread+0x35a/0x440 [ 442.876912] ? kthread_stop+0x900/0x900 [ 442.880888] ret_from_fork+0x3a/0x50 [ 442.884624] CPU: 0 PID: 14642 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #147 [ 442.884629] warn_alloc_show_mem: 1 callbacks suppressed [ 442.884637] Mem-Info: [ 442.891992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.897360] active_anon:61924 inactive_anon:8920 isolated_anon:0 [ 442.897360] active_file:15 inactive_file:12 isolated_file:0 [ 442.897360] unevictable:0 dirty:0 writeback:0 unstable:0 [ 442.897360] slab_reclaimable:9491 slab_unreclaimable:1435833 [ 442.897360] mapped:32770 shmem:12530 pagetables:553 bounce:0 [ 442.897360] free:13769 free_pcp:294 free_cma:0 [ 442.899734] Call Trace: [ 442.909155] Node 0 active_anon:247696kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:50120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 442.942258] [ 442.944844] 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 [ 442.972700] dump_stack+0x244/0x39d [ 442.974829] lowmem_reserve[]: 0 2818 6321 6321 [ 443.000931] ? dump_stack_print_info.cold.1+0x20/0x20 [ 443.004546] Node 0 DMA32 free:25212kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 443.009130] warn_alloc.cold.116+0xb7/0x1bd [ 443.014301] lowmem_reserve[]: 0 0 3503 3503 [ 443.041705] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 443.046008] Node 0 Normal free:13956kB min:37364kB low:46704kB high:56044kB active_anon:247636kB inactive_anon:35680kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6944kB pagetables:2212kB bounce:0kB free_pcp:928kB local_pcp:656kB free_cma:0kB [ 443.050350] ? lock_downgrade+0x900/0x900 [ 443.055167] lowmem_reserve[]: 0 0 0 0 [ 443.084234] ? trace_hardirqs_off+0xb8/0x310 [ 443.088351] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 443.092145] ? trace_hardirqs_off+0xb8/0x310 [ 443.096524] Node 0 DMA32: 1*4kB (M) 1*8kB (M) 3*16kB (UM) 6*32kB (MH) 6*64kB (MH) 4*128kB (M) 6*256kB (UMH) 6*512kB (UMH) 5*1024kB (UMH) 1*2048kB (M) 3*4096kB (M) = 25212kB [ 443.110042] __alloc_pages_slowpath+0x26e8/0x2e10 [ 443.114422] Node 0 Normal: 1135*4kB (UME) 483*8kB (UMEH) 211*16kB (UMEH) 54*32kB (UMEH) 1*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13956kB [ 443.129971] ? warn_alloc+0x120/0x120 [ 443.134772] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 443.149511] ? warn_alloc+0x120/0x120 [ 443.153298] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 443.162118] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 443.165894] 12557 total pagecache pages [ 443.174459] ? warn_alloc+0x120/0x120 [ 443.179453] 0 pages in swap cache [ 443.183409] ? print_usage_bug+0xc0/0xc0 [ 443.187185] Swap cache stats: add 0, delete 0, find 0/0 [ 443.190634] ? print_usage_bug+0xc0/0xc0 [ 443.194670] Free swap = 0kB [ 443.200028] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 443.204066] Total swap = 0kB [ 443.207081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.212244] 1965979 pages RAM [ 443.215261] ? should_fail+0x22d/0xd01 [ 443.220769] 0 pages HighMem/MovableOnly [ 443.223865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.227729] 342853 pages reserved [ 443.231711] ? __lock_acquire+0x62f/0x4c20 [ 443.236790] 0 pages cma reserved [ 443.236941] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 443.240253] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.244460] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 443.247813] ? should_fail+0x22d/0xd01 [ 443.271721] ? mark_held_locks+0x130/0x130 [ 443.275965] ? mark_held_locks+0x130/0x130 [ 443.280302] ? print_usage_bug+0xc0/0xc0 [ 443.284362] ? find_held_lock+0x36/0x1c0 [ 443.288431] ? zap_class+0x640/0x640 [ 443.292146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.297699] ? check_preemption_disabled+0x48/0x280 [ 443.302739] ? __lock_is_held+0xb5/0x140 [ 443.306823] __alloc_pages_nodemask+0xa80/0xde0 [ 443.311516] ? zap_class+0x640/0x640 [ 443.315251] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 443.320281] ? find_held_lock+0x36/0x1c0 [ 443.324364] ? ____cache_alloc_node+0x1c7/0x1e0 [ 443.329034] ? lock_downgrade+0x900/0x900 [ 443.333188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.338747] cache_grow_begin+0xa5/0x8c0 [ 443.342805] ? do_raw_spin_unlock+0xa7/0x330 [ 443.347391] fallback_alloc+0x204/0x2e0 [ 443.351374] ____cache_alloc_node+0x1c7/0x1e0 [ 443.355876] kmem_cache_alloc_node+0xe3/0x730 [ 443.360368] ? mark_held_locks+0xc7/0x130 [ 443.364524] __alloc_skb+0x119/0x770 [ 443.368263] ? netdev_alloc_frag+0x1f0/0x1f0 [ 443.372670] ? do_raw_spin_trylock+0x270/0x270 [ 443.377280] ? kmem_cache_alloc_trace+0x353/0x750 [ 443.382127] ? queue_work_on+0x12c/0x1e0 [ 443.386221] ? switchdev_port_obj_del+0xdc/0x440 [ 443.390997] ? switchdev_trans_item_enqueue+0x260/0x260 [ 443.396379] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 443.401402] __br_mdb_notify+0x4ff/0x15d0 [ 443.405547] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.410660] ? __br_mdb_add+0x7f0/0x7f0 [ 443.414655] ? mark_held_locks+0x130/0x130 [ 443.418890] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 443.424049] ? debug_object_assert_init+0x368/0x4b0 [ 443.429100] ? debug_object_init_on_stack+0x20/0x20 [ 443.434126] ? zap_class+0x640/0x640 [ 443.437836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.443387] br_mdb_notify+0x310/0x410 [ 443.447275] ? br_mdb_dump+0x27b0/0x27b0 [ 443.451351] br_multicast_del_pg+0x3df/0x790 [ 443.455768] ? br_mdb_ip_get+0x940/0x940 [ 443.459830] ? rwlock_bug.part.2+0x90/0x90 [ 443.464068] ? __lock_is_held+0xb5/0x140 [ 443.468142] br_multicast_port_group_expired+0x189/0x1e0 [ 443.473599] call_timer_fn+0x272/0x920 [ 443.477491] ? br_multicast_del_pg+0x790/0x790 [ 443.482075] ? process_timeout+0x40/0x40 [ 443.486145] ? __run_timers+0x7da/0xc70 [ 443.490129] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.494642] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.499134] ? br_multicast_del_pg+0x790/0x790 [ 443.503715] ? lockdep_hardirqs_on+0x296/0x5b0 [ 443.508298] ? trace_hardirqs_on+0xbd/0x310 [ 443.512618] ? kasan_check_read+0x11/0x20 [ 443.516776] ? __run_timers+0x7da/0xc70 [ 443.520751] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.525863] ? br_multicast_del_pg+0x790/0x790 [ 443.530465] ? br_multicast_del_pg+0x790/0x790 [ 443.535061] __run_timers+0x7e5/0xc70 [ 443.538891] ? timer_fixup_init+0x70/0x70 [ 443.543039] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 443.548055] ? zap_class+0x640/0x640 [ 443.551773] ? enqueue_hrtimer+0x1a5/0x560 [ 443.556008] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 443.561218] ? find_held_lock+0x36/0x1c0 [ 443.565287] ? zap_class+0x640/0x640 [ 443.569007] ? pvclock_read_flags+0x160/0x160 [ 443.573504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.579045] ? check_preemption_disabled+0x48/0x280 [ 443.584064] ? __lock_is_held+0xb5/0x140 [ 443.588120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.593664] ? check_preemption_disabled+0x48/0x280 [ 443.598686] run_timer_softirq+0x52/0xb0 [ 443.602749] ? rcu_read_lock_sched_held+0x14f/0x180 [ 443.607775] __do_softirq+0x308/0xb7e [ 443.611576] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 443.616081] ? lock_downgrade+0x900/0x900 [ 443.620238] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 443.625343] ? pvclock_read_flags+0x160/0x160 [ 443.629838] ? lapic_next_event+0x5a/0x90 [ 443.633986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.639540] ? kvm_clock_read+0x18/0x30 [ 443.643512] ? kvm_sched_clock_read+0x9/0x20 [ 443.647923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.653459] ? check_preemption_disabled+0x48/0x280 [ 443.658481] irq_exit+0x17f/0x1c0 [ 443.661937] smp_apic_timer_interrupt+0x1cb/0x760 [ 443.666775] ? smp_reschedule_interrupt+0x109/0x650 [ 443.671791] ? smp_call_function_single_interrupt+0x650/0x650 [ 443.677670] ? interrupt_entry+0xb5/0xc0 [ 443.681744] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.686761] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.691796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.696643] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.701660] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.706684] ? task_prio+0x50/0x50 [ 443.710241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.715798] ? check_preemption_disabled+0x48/0x280 [ 443.720824] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.725672] apic_timer_interrupt+0xf/0x20 [ 443.729899] [ 443.732139] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 443.738026] Code: 3f 7e 0f 85 32 ff ff ff e8 a3 b0 3d ff e9 28 ff ff ff e8 0a e6 c2 ff 48 83 3d 22 2f 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 bd [ 443.756927] RSP: 0000:ffff8801bc48f478 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 443.764633] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 443.771901] RDX: 0000000000000000 RSI: ffff88018a3e4f00 RDI: 0000000000000286 [ 443.779170] RBP: ffff8801bc48f4f0 R08: ffff88018a3e4680 R09: 0000000000000000 [ 443.786449] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 443.793715] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 443.801010] ? save_stack+0xa9/0xd0 [ 443.804679] __kmalloc_node_track_caller+0x3c/0x70 [ 443.809611] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 443.814391] pskb_expand_head+0x230/0x10f0 [ 443.818627] ? check_preemption_disabled+0x48/0x280 [ 443.823662] ? memcpy+0x45/0x50 [ 443.826948] ? __copy_skb_header+0x350/0x6b0 [ 443.831355] ? skb_release_data+0x880/0x880 [ 443.835674] ? __alloc_skb+0x770/0x770 [ 443.839569] ? __lock_is_held+0xb5/0x140 [ 443.843655] ? kasan_check_write+0x14/0x20 [ 443.847888] ? __skb_clone+0x6c7/0xa00 [ 443.851787] ? __copy_skb_header+0x6b0/0x6b0 [ 443.856228] ? kmem_cache_alloc+0x33a/0x730 [ 443.860562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.866108] skb_ensure_writable+0x3dd/0x640 [ 443.870524] ? skb_checksum_setup+0xaa0/0xaa0 [ 443.875029] ? preempt_notifier_register+0x200/0x200 [ 443.880132] ? __switch_to_asm+0x34/0x70 [ 443.884211] ? __switch_to_asm+0x34/0x70 [ 443.888280] ? __switch_to_asm+0x40/0x70 [ 443.892344] ? __switch_to_asm+0x34/0x70 [ 443.896411] ? __switch_to_asm+0x40/0x70 [ 443.900478] ? __switch_to_asm+0x40/0x70 [ 443.904542] ? __switch_to_asm+0x34/0x70 [ 443.908610] ? __switch_to_asm+0x34/0x70 [ 443.912677] ? __switch_to_asm+0x40/0x70 [ 443.916742] ? __switch_to_asm+0x34/0x70 [ 443.920820] bpf_clone_redirect+0x14a/0x490 [ 443.925157] bpf_prog_bebbfe2050753572+0x122/0x1000 [ 443.930186] ? __sched_text_start+0x8/0x8 [ 443.934361] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 443.939135] ? find_held_lock+0x36/0x1c0 [ 443.943231] ? lock_acquire+0x1ed/0x520 [ 443.947230] ? bpf_test_run+0x3cb/0x780 [ 443.951231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.956780] ? check_preemption_disabled+0x48/0x280 [ 443.961809] ? kasan_check_read+0x11/0x20 [ 443.965968] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.971257] ? rcu_softirq_qs+0x20/0x20 [ 443.975254] ? preempt_schedule+0x4d/0x60 [ 443.979409] ? ___preempt_schedule+0x16/0x18 [ 443.983834] ? bpf_test_run+0x25d/0x780 [ 443.987833] ? netlink_diag_dump+0x2a0/0x2a0 [ 443.992258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.997806] ? bpf_test_init.isra.10+0x70/0x100 [ 444.002490] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 444.007267] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 444.012117] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 444.017661] ? fput+0x130/0x1a0 [ 444.020968] ? __bpf_prog_get+0x9b/0x290 [ 444.025040] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 444.029893] ? bpf_prog_test_run+0x130/0x1a0 [ 444.034317] ? __x64_sys_bpf+0x3db/0x520 [ 444.038390] ? bpf_prog_get+0x20/0x20 [ 444.042241] ? do_syscall_64+0x1b9/0x820 [ 444.046314] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 444.051689] ? syscall_return_slowpath+0x5e0/0x5e0 [ 444.056636] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.061703] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 444.066735] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 444.073413] ? __switch_to_asm+0x40/0x70 [ 444.077481] ? __switch_to_asm+0x34/0x70 [ 444.081554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.086413] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 444.091801] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #147