10+0x70/0x100 [ 333.623014] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 333.627783] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 333.632631] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 333.638171] ? fput+0x130/0x1a0 [ 333.641452] ? __bpf_prog_get+0x9b/0x290 [ 333.645519] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 333.650369] ? bpf_prog_test_run+0x130/0x1a0 [ 333.654784] ? __x64_sys_bpf+0x3d8/0x520 [ 333.658844] ? bpf_prog_get+0x20/0x20 [ 333.662670] ? do_syscall_64+0x1b9/0x820 [ 333.666731] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 333.672099] ? syscall_return_slowpath+0x5e0/0x5e0 [ 333.677794] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.682649] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.687668] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 333.692687] ? prepare_exit_to_usermode+0x291/0x3b0 [ 333.697712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.702588] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.708055] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 333.718537] syz-executor4 cpuset=syz4 mems_allowed=0 [ 333.723662] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 333.730927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.740279] Call Trace: [ 333.742877] dump_stack+0x244/0x39d [ 333.746519] ? dump_stack_print_info.cold.1+0x20/0x20 [ 333.751737] warn_alloc.cold.116+0xb7/0x1bd [ 333.756065] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 333.760915] ? lock_downgrade+0x900/0x900 [ 333.765075] ? trace_hardirqs_off+0xb8/0x310 [ 333.769497] ? trace_hardirqs_off+0xb8/0x310 [ 333.774661] __alloc_pages_slowpath+0x26e8/0x2e10 [ 333.779554] ? warn_alloc+0x120/0x120 [ 333.783360] ? zap_class+0x640/0x640 [ 333.787079] ? warn_alloc+0x120/0x120 [ 333.790893] ? warn_alloc+0x120/0x120 [ 333.794699] ? __lock_acquire+0x62f/0x4c20 [ 333.798940] ? print_usage_bug+0xc0/0xc0 [ 333.803008] ? print_usage_bug+0xc0/0xc0 [ 333.807084] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.812629] ? should_fail+0x22d/0xd01 [ 333.816520] ? find_held_lock+0x36/0x1c0 [ 333.820591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.825704] ? __lock_acquire+0x62f/0x4c20 [ 333.829946] ? should_fail+0x22d/0xd01 [ 333.833837] ? check_preemption_disabled+0x48/0x280 [ 333.838868] ? mark_held_locks+0x130/0x130 [ 333.843109] ? mark_held_locks+0x130/0x130 [ 333.847344] ? __lock_is_held+0xb5/0x140 [ 333.851418] ? zap_class+0x640/0x640 [ 333.855135] ? update_curr+0x344/0xbd0 [ 333.859029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.864576] ? check_preemption_disabled+0x48/0x280 [ 333.869609] ? __lock_is_held+0xb5/0x140 [ 333.874383] __alloc_pages_nodemask+0xa80/0xde0 [ 333.879061] ? zap_class+0x640/0x640 [ 333.882789] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 333.887820] ? find_held_lock+0x36/0x1c0 [ 333.891892] ? ____cache_alloc_node+0x1c7/0x1e0 [ 333.896572] ? lock_downgrade+0x900/0x900 [ 333.900734] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 333.906276] cache_grow_begin+0xa5/0x8c0 [ 333.910354] ? do_raw_spin_unlock+0xa7/0x330 [ 333.914774] fallback_alloc+0x204/0x2e0 [ 333.918761] ____cache_alloc_node+0x1c7/0x1e0 [ 333.923353] kmem_cache_alloc+0x1f8/0x730 [ 333.927519] skb_clone+0x1bb/0x500 [ 333.931072] ? skb_split+0x11e0/0x11e0 [ 333.934963] ? kasan_check_read+0x11/0x20 [ 333.939115] ? __schedule+0x168a/0x21d0 [ 333.943100] ? trace_hardirqs_off_caller+0x310/0x310 [ 333.948206] ? lock_pin_lock+0x350/0x350 [ 333.952285] bpf_clone_redirect+0xb9/0x490 [ 333.956531] ? __schedule+0x168a/0x21d0 [ 333.960515] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 333.965555] ? __sched_text_start+0x8/0x8 [ 333.969710] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 333.975239] ? find_held_lock+0x36/0x1c0 [ 333.978868] oom_reaper: reaped process 12195 (syz-executor4), now anon-rss:0kB, file-rss:32640kB, shmem-rss:0kB [ 333.979309] ? lock_acquire+0x1ed/0x520 [ 333.979330] ? bpf_test_run+0x3cb/0x780 [ 333.979346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.002330] syz-fuzzer invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 334.003280] ? check_preemption_disabled+0x48/0x280 [ 334.014714] syz-fuzzer cpuset=/ mems_allowed=0 [ 334.019697] ? kasan_check_read+0x11/0x20 [ 334.019709] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.019724] ? rcu_softirq_qs+0x20/0x20 [ 334.037647] ? preempt_schedule+0x4d/0x60 [ 334.041793] ? ___preempt_schedule+0x16/0x18 [ 334.046208] ? bpf_test_run+0x25d/0x780 [ 334.050190] ? netlink_diag_dump+0x2a0/0x2a0 [ 334.054604] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.060137] ? bpf_test_init.isra.10+0x70/0x100 [ 334.064812] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 334.069582] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 334.075126] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 334.080663] ? fput+0x130/0x1a0 [ 334.083942] ? __bpf_prog_get+0x9b/0x290 [ 334.088007] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 334.092845] ? bpf_prog_test_run+0x130/0x1a0 [ 334.097252] ? __x64_sys_bpf+0x3d8/0x520 [ 334.101313] ? bpf_prog_get+0x20/0x20 [ 334.105131] ? do_syscall_64+0x1b9/0x820 [ 334.109193] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 334.114556] ? syscall_return_slowpath+0x5e0/0x5e0 [ 334.119484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.124336] ? trace_hardirqs_on_caller+0x310/0x310 [ 334.129355] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 334.134371] ? prepare_exit_to_usermode+0x291/0x3b0 [ 334.139392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.144239] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 334.149620] warn_alloc_show_mem: 1 callbacks suppressed [ 334.149630] CPU: 0 PID: 5982 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82 [ 334.149631] Mem-Info: [ 334.149666] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 334.149666] active_file:10 inactive_file:14 isolated_file:0 [ 334.149666] unevictable:0 dirty:0 writeback:0 unstable:0 [ 334.149666] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 334.149666] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 334.149666] free:13688 free_pcp:208 free_cma:0 [ 334.154993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.161914] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 334.164312] Call Trace: [ 334.198027] 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 [ 334.207378] dump_stack+0x244/0x39d [ 334.235006] lowmem_reserve[]: 0 2818 6321 6321 [ 334.237587] ? dump_stack_print_info.cold.1+0x20/0x20 [ 334.263665] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 334.267286] ? mark_held_locks+0x130/0x130 [ 334.271834] lowmem_reserve[]: 0 0 3503 3503 [ 334.277370] ? mark_held_locks+0x130/0x130 [ 334.304834] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:248kB free_cma:0kB [ 334.309062] dump_header+0x27b/0xf72 [ 334.313523] lowmem_reserve[]: 0 0 0 0 [ 334.317771] ? pagefault_out_of_memory+0x197/0x197 [ 334.346700] 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 [ 334.350408] ? __lock_acquire+0x62f/0x4c20 [ 334.354174] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 334.359094] ? percpu_ref_get_many+0x240/0x240 [ 334.372583] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 334.377129] ? print_usage_bug+0xc0/0xc0 [ 334.392796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 334.397363] ? zap_class+0x640/0x640 [ 334.412251] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 334.416290] ? print_usage_bug+0xc0/0xc0 [ 334.425192] 1671 total pagecache pages [ 334.428925] ? print_usage_bug+0xc0/0xc0 [ 334.437490] 0 pages in swap cache [ 334.441534] ? zap_class+0x640/0x640 [ 334.445392] Swap cache stats: add 0, delete 0, find 0/0 [ 334.449439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.452859] Free swap = 0kB [ 334.456562] ? find_held_lock+0x36/0x1c0 [ 334.461895] Total swap = 0kB [ 334.467421] ? mark_held_locks+0xc7/0x130 [ 334.470414] 1965979 pages RAM [ 334.474775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 334.477764] 0 pages HighMem/MovableOnly [ 334.481894] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 334.484977] 342853 pages reserved [ 334.484985] 0 pages cma reserved [ 334.490078] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 334.494135] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 334.499111] ? trace_hardirqs_on+0xbd/0x310 [ 334.502547] syz-executor4 cpuset=syz4 mems_allowed=0 [ 334.505897] ? kasan_check_read+0x11/0x20 [ 334.505912] ? ___ratelimit+0x3b4/0x672 [ 334.538402] ? trace_hardirqs_off_caller+0x310/0x310 [ 334.543507] ? trace_hardirqs_on+0x310/0x310 [ 334.547925] ? lock_downgrade+0x900/0x900 [ 334.552069] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 334.557186] ? ___ratelimit+0x3b9/0x672 [ 334.561153] ? idr_get_free+0xf70/0xf70 [ 334.565119] ? find_held_lock+0x36/0x1c0 [ 334.569184] oom_kill_process.cold.27+0x10/0x903 [ 334.574231] ? zap_class+0x640/0x640 [ 334.577938] ? check_preemption_disabled+0x48/0x280 [ 334.582952] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 334.587875] ? kasan_check_read+0x11/0x20 [ 334.592013] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.597286] ? oom_evaluate_task+0x540/0x540 [ 334.601692] ? find_held_lock+0x36/0x1c0 [ 334.605759] ? out_of_memory+0x974/0x1430 [ 334.609901] ? lock_downgrade+0x900/0x900 [ 334.614043] ? check_preemption_disabled+0x48/0x280 [ 334.619053] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 334.623975] ? kasan_check_read+0x11/0x20 [ 334.628118] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.633388] ? rcu_softirq_qs+0x20/0x20 [ 334.637364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.642897] ? oom_evaluate_task+0x302/0x540 [ 334.647303] out_of_memory+0xa84/0x1430 [ 334.651280] ? oom_killer_disable+0x3a0/0x3a0 [ 334.655775] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 334.660706] ? __ww_mutex_check_waiters+0x160/0x160 [ 334.665734] __alloc_pages_slowpath+0x2354/0x2e10 [ 334.670599] ? warn_alloc+0x120/0x120 [ 334.674679] ? mark_held_locks+0x130/0x130 [ 334.678915] ? find_get_entry+0xaae/0x1120 [ 334.683158] ? filemap_map_pages+0x1a20/0x1a20 [ 334.687744] ? zap_class+0x640/0x640 [ 334.691462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.696992] ? check_preemption_disabled+0x48/0x280 [ 334.702001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.707530] ? should_fail+0x22d/0xd01 [ 334.711418] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.716514] ? zap_class+0x640/0x640 [ 334.720241] ? __lock_is_held+0xb5/0x140 [ 334.724304] ? mark_held_locks+0x130/0x130 [ 334.728545] ? lock_release+0xa00/0xa00 [ 334.732511] ? perf_trace_sched_process_exec+0x860/0x860 [ 334.737954] ? xa_load+0x2ba/0x460 [ 334.741488] ? lock_downgrade+0x900/0x900 [ 334.745641] ? __might_sleep+0x95/0x190 [ 334.749617] __alloc_pages_nodemask+0xa80/0xde0 [ 334.754281] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 334.759290] ? __page_cache_alloc+0x191/0x5c0 [ 334.763781] ? xa_load+0x2e1/0x460 [ 334.767338] ? xa_clear_mark+0x40/0x40 [ 334.771224] ? zap_class+0x640/0x640 [ 334.775263] ? zap_class+0x640/0x640 [ 334.778968] ? zap_class+0x640/0x640 [ 334.782681] ? __do_page_cache_readahead+0x663/0x810 [ 334.787784] ? find_held_lock+0x36/0x1c0 [ 334.791844] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 334.797381] alloc_pages_current+0x173/0x350 [ 334.801789] __page_cache_alloc+0x38c/0x5c0 [ 334.806102] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 334.811022] ? kasan_check_read+0x11/0x20 [ 334.815164] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.820440] ? generic_perform_write+0x6a0/0x6a0 [ 334.825199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.830731] ? check_preemption_disabled+0x48/0x280 [ 334.835747] filemap_fault+0x1595/0x25f0 [ 334.839812] ? __lock_page_or_retry+0xa00/0xa00 [ 334.844475] ? mark_held_locks+0x130/0x130 [ 334.848719] ? filemap_map_pages+0xd6b/0x1a20 [ 334.853452] ? lock_downgrade+0x900/0x900 [ 334.857595] ? check_preemption_disabled+0x48/0x280 [ 334.862608] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 334.867531] ? kasan_check_read+0x11/0x20 [ 334.871671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 334.877259] ? rcu_softirq_qs+0x20/0x20 [ 334.881236] ? filemap_map_pages+0xd92/0x1a20 [ 334.885740] ? find_get_entries_tag+0x1400/0x1400 [ 334.890580] ? debug_object_destroy+0x2b0/0x2b0 [ 334.895250] ? lock_pi_update_atomic+0x150/0x150 [ 334.900003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.905546] ? lock_acquire+0x1ed/0x520 [ 334.909513] ? ext4_filemap_fault+0x7a/0xad [ 334.913833] ? lock_release+0xa00/0xa00 [ 334.917797] ? perf_trace_sched_process_exec+0x860/0x860 [ 334.923241] ? print_usage_bug+0xc0/0xc0 [ 334.927299] ? print_usage_bug+0xc0/0xc0 [ 334.931368] ? down_read+0x8d/0x120 [ 334.934996] ? ext4_filemap_fault+0x7a/0xad [ 334.939320] ? __down_interruptible+0x700/0x700 [ 334.943989] ext4_filemap_fault+0x82/0xad [ 334.948131] __do_fault+0x100/0x6b0 [ 334.951754] ? pmd_devmap_trans_unstable+0x220/0x220 [ 334.956853] ? mark_held_locks+0x130/0x130 [ 334.961083] ? mark_held_locks+0x130/0x130 [ 334.965326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.970866] __handle_mm_fault+0x3ea0/0x5be0 [ 334.975657] ? perf_trace_lock+0x7a0/0x7a0 [ 334.979896] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 334.984761] ? __schedule+0x8d7/0x21d0 [ 334.988640] ? __switch_to_asm+0x34/0x70 [ 334.992712] ? zap_class+0x640/0x640 [ 334.996421] ? zap_class+0x640/0x640 [ 335.000134] ? __x64_sys_futex+0x53e/0x6a0 [ 335.004367] ? find_held_lock+0x36/0x1c0 [ 335.008435] ? handle_mm_fault+0x42a/0xc70 [ 335.012662] ? lock_downgrade+0x900/0x900 [ 335.016816] ? check_preemption_disabled+0x48/0x280 [ 335.022070] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 335.026993] ? kasan_check_read+0x11/0x20 [ 335.031132] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.036405] ? rcu_softirq_qs+0x20/0x20 [ 335.040380] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.045479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.051014] ? check_preemption_disabled+0x48/0x280 [ 335.056031] handle_mm_fault+0x54f/0xc70 [ 335.060090] ? __handle_mm_fault+0x5be0/0x5be0 [ 335.064670] ? find_vma+0x34/0x190 [ 335.068212] __do_page_fault+0x5e8/0xe60 [ 335.072262] ? trace_hardirqs_off+0xb8/0x310 [ 335.076999] do_page_fault+0xf2/0x7e0 [ 335.080795] ? vmalloc_sync_all+0x30/0x30 [ 335.084936] ? error_entry+0x70/0xd0 [ 335.088645] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.093652] ? trace_hardirqs_on_caller+0xc0/0x310 [ 335.098580] ? syscall_return_slowpath+0x5e0/0x5e0 [ 335.103504] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.108359] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.113367] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.118816] ? prepare_exit_to_usermode+0x291/0x3b0 [ 335.123825] ? page_fault+0x8/0x30 [ 335.127361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.132200] ? page_fault+0x8/0x30 [ 335.135739] page_fault+0x1e/0x30 [ 335.139182] RIP: 0033:0x45ddf3 [ 335.142379] Code: Bad RIP value. [ 335.145737] RSP: 002b:000000c42001fea0 EFLAGS: 00010206 [ 335.151091] RAX: ffffffffffffff92 RBX: 00000000368c9a84 RCX: 000000000045ddf3 [ 335.158350] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00 [ 335.165611] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 335.172882] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001 [ 335.180433] R13: 000000c42787a4e0 R14: 0000000000000001 R15: 0000000000000000 [ 335.187731] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 335.187787] Mem-Info: [ 335.195014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.197460] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 335.197460] active_file:10 inactive_file:14 isolated_file:0 [ 335.197460] unevictable:0 dirty:0 writeback:0 unstable:0 [ 335.197460] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 335.197460] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 335.197460] free:13688 free_pcp:208 free_cma:0 [ 335.206741] Call Trace: [ 335.206761] dump_stack+0x244/0x39d [ 335.206797] ? dump_stack_print_info.cold.1+0x20/0x20 [ 335.239865] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 335.242415] warn_alloc.cold.116+0xb7/0x1bd [ 335.246024] 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 [ 335.251181] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 335.279162] lowmem_reserve[]: 0 2818 6321 6321 [ 335.283447] ? lock_downgrade+0x900/0x900 [ 335.309550] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 335.314360] ? trace_hardirqs_off+0xb8/0x310 [ 335.318932] lowmem_reserve[]: 0 0 3503 3503 [ 335.323056] ? trace_hardirqs_off+0xb8/0x310 [ 335.350383] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 335.354762] __alloc_pages_slowpath+0x26e8/0x2e10 [ 335.359069] lowmem_reserve[]: 0 0 0 0 [ 335.363593] ? warn_alloc+0x120/0x120 [ 335.392945] 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 [ 335.397754] ? zap_class+0x640/0x640 [ 335.397775] ? warn_alloc+0x120/0x120 [ 335.401548] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 335.405337] ? warn_alloc+0x120/0x120 [ 335.418848] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 335.422525] ? __lock_acquire+0x62f/0x4c20 [ 335.422542] ? print_usage_bug+0xc0/0xc0 [ 335.426341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 335.441996] ? print_usage_bug+0xc0/0xc0 [ 335.442022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.445816] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 335.460688] ? should_fail+0x22d/0xd01 [ 335.460702] ? find_held_lock+0x36/0x1c0 [ 335.460719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.464923] 1671 total pagecache pages [ 335.468971] ? __lock_acquire+0x62f/0x4c20 [ 335.468989] ? should_fail+0x22d/0xd01 [ 335.469007] ? check_preemption_disabled+0x48/0x280 [ 335.478173] 0 pages in swap cache [ 335.482201] ? mark_held_locks+0x130/0x130 [ 335.487726] Swap cache stats: add 0, delete 0, find 0/0 [ 335.496264] ? mark_held_locks+0x130/0x130 [ 335.496275] ? __lock_is_held+0xb5/0x140 [ 335.496297] ? zap_class+0x640/0x640 [ 335.500156] Free swap = 0kB [ 335.504201] ? update_curr+0x344/0xbd0 [ 335.509301] Total swap = 0kB [ 335.513159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.517392] 1965979 pages RAM [ 335.521246] ? check_preemption_disabled+0x48/0x280 [ 335.526257] 0 pages HighMem/MovableOnly [ 335.529683] ? __lock_is_held+0xb5/0x140 [ 335.533882] 342853 pages reserved [ 335.539235] __alloc_pages_nodemask+0xa80/0xde0 [ 335.539250] ? zap_class+0x640/0x640 [ 335.539269] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 335.543473] 0 pages cma reserved [ 335.547548] ? find_held_lock+0x36/0x1c0 [ 335.547572] ? ____cache_alloc_node+0x1c7/0x1e0 [ 335.551256] Unreclaimable slab info: [ 335.554263] ? lock_downgrade+0x900/0x900 [ 335.558148] Name Used Total [ 335.561145] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 335.566702] pid_2 1KB 24KB [ 335.569743] cache_grow_begin+0xa5/0x8c0 [ 335.575104] TIPC 10KB 14KB [ 335.579023] ? do_raw_spin_unlock+0xa7/0x330 [ 335.579045] fallback_alloc+0x204/0x2e0 [ 335.579066] ____cache_alloc_node+0x1c7/0x1e0 [ 335.583106] SCTPv6 14KB 18KB [ 335.586539] kmem_cache_alloc+0x1f8/0x730 [ 335.586566] skb_clone+0x1bb/0x500 [ 335.591304] DCCPv6 17KB 21KB [ 335.594998] ? skb_split+0x11e0/0x11e0 [ 335.600012] DCCP 16KB 20KB [ 335.603340] ? kasan_check_read+0x11/0x20 [ 335.607420] bridge_fdb_cache 13KB 19KB [ 335.612034] ? __schedule+0x168a/0x21d0 [ 335.615742] nf-frags 0KB 3KB [ 335.619864] ? trace_hardirqs_off_caller+0x310/0x310 [ 335.625384] fib6_nodes 75KB 84KB [ 335.630898] ? lock_pin_lock+0x350/0x350 [ 335.630925] bpf_clone_redirect+0xb9/0x490 [ 335.636283] ip6_dst_cache 77KB 258KB [ 335.640317] ? __schedule+0x168a/0x21d0 [ 335.645685] RAWv6 68KB 71KB [ 335.650058] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 335.654000] UDPv6 3KB 3KB [ 335.658478] ? __sched_text_start+0x8/0x8 [ 335.658493] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 335.658518] ? find_held_lock+0x36/0x1c0 [ 335.663853] TCPv6 23KB 23KB [ 335.667986] ? lock_acquire+0x1ed/0x520 [ 335.668004] ? bpf_test_run+0x3cb/0x780 [ 335.671525] nf_conntrack 10KB 22KB [ 335.677325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.677342] ? check_preemption_disabled+0x48/0x280 [ 335.677362] ? kasan_check_read+0x11/0x20 [ 335.681349] sd_ext_cdb 0KB 3KB [ 335.686668] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 335.686683] ? rcu_softirq_qs+0x20/0x20 [ 335.686700] ? preempt_schedule+0x4d/0x60 [ 335.690824] scsi_sense_cache 1056KB 1060KB [ 335.696164] ? ___preempt_schedule+0x16/0x18 [ 335.696191] ? bpf_test_run+0x25d/0x780 [ 335.700142] virtio_scsi_cmd 16KB 16KB [ 335.705500] ? netlink_diag_dump+0x2a0/0x2a0 [ 335.705517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.710604] sgpool-128 8KB 8KB [ 335.715960] ? bpf_test_init.isra.10+0x70/0x100 [ 335.715980] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 335.716004] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 335.720037] sgpool-64 4KB 6KB [ 335.724245] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 335.724261] ? fput+0x130/0x1a0 [ 335.729632] sgpool-32 2KB 7KB [ 335.733567] ? __bpf_prog_get+0x9b/0x290 [ 335.738931] sgpool-16 1KB 3KB [ 335.743906] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 335.749269] sgpool-8 0KB 3KB [ 335.753386] ? bpf_prog_test_run+0x130/0x1a0 [ 335.758148] mqueue_inode_cache 10KB 14KB [ 335.762184] ? __x64_sys_bpf+0x3d8/0x520 [ 335.767549] bio_post_read_ctx 14KB 15KB [ 335.771482] ? bpf_prog_get+0x20/0x20 [ 335.775768] bio-2 14KB 15KB [ 335.781076] ? do_syscall_64+0x1b9/0x820 [ 335.786596] jfs_mp 7KB 7KB [ 335.791584] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 335.791602] ? syscall_return_slowpath+0x5e0/0x5e0 [ 335.795764] nfs_commit_data 3KB 7KB [ 335.801066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.801083] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.806355] nfs_write_data 32KB 32KB [ 335.810294] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 335.814430] ext4_system_zone 0KB 3KB [ 335.819765] ? prepare_exit_to_usermode+0x291/0x3b0 [ 335.819785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.819807] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 335.824202] bio-1 1KB 3KB [ 335.828249] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 335.833515] pid_namespace 2KB 7KB [ 335.837893] syz-executor4 cpuset=syz4 mems_allowed=0 [ 335.837919] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 335.837930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.843453] rpc_buffers 17KB 19KB [ 335.848779] Call Trace: [ 335.848799] dump_stack+0x244/0x39d [ 335.848819] ? dump_stack_print_info.cold.1+0x20/0x20 [ 335.853464] rpc_tasks 2KB 3KB [ 335.858215] warn_alloc.cold.116+0xb7/0x1bd [ 335.858233] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 335.863052] UNIX 9KB 14KB [ 335.868398] ? lock_downgrade+0x900/0x900 [ 335.868422] ? trace_hardirqs_off+0xb8/0x310 [ 335.874219] ip4-frags 180KB 181KB [ 335.877488] ? trace_hardirqs_off+0xb8/0x310 [ 335.877511] __alloc_pages_slowpath+0x26e8/0x2e10 [ 335.882855] tcp_bind_bucket 1KB 4KB [ 335.886921] ? warn_alloc+0x120/0x120 [ 335.892261] inet_peer_cache 0KB 4KB [ 335.897087] ? zap_class+0x640/0x640 [ 335.897102] ? warn_alloc+0x120/0x120 [ 335.897126] ? warn_alloc+0x120/0x120 [ 335.902465] ip_fib_trie 11KB 19KB [ 335.906848] ? __lock_acquire+0x62f/0x4c20 [ 335.906864] ? print_usage_bug+0xc0/0xc0 [ 335.906882] ? print_usage_bug+0xc0/0xc0 [ 335.912318] ip_fib_alias 50KB 71KB [ 335.916378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.916396] ? should_fail+0x22d/0xd01 [ 335.921733] ip_dst_cache 6KB 72KB [ 335.925531] ? find_held_lock+0x36/0x1c0 [ 335.925548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.925565] ? __lock_acquire+0x62f/0x4c20 [ 335.930905] RAW 40KB 50KB [ 335.934946] ? should_fail+0x22d/0xd01 [ 335.940309] UDP 16KB 26KB [ 335.945632] ? check_preemption_disabled+0x48/0x280 [ 335.945660] ? mark_held_locks+0x130/0x130 [ 335.950571] TCP 8KB 11KB [ 335.955912] ? mark_held_locks+0x130/0x130 [ 335.955925] ? __lock_is_held+0xb5/0x140 [ 335.955959] ? zap_class+0x640/0x640 [ 335.960801] hugetlbfs_inode_cache 2KB 7KB [ 335.965793] ? update_curr+0x344/0xbd0 [ 335.965810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.965828] ? check_preemption_disabled+0x48/0x280 [ 335.971252] fscache_cookie_jar 1KB 3KB [ 335.976790] ? __lock_is_held+0xb5/0x140 [ 335.976812] __alloc_pages_nodemask+0xa80/0xde0 [ 335.982151] eventpoll_pwq 3KB 15KB [ 335.987145] ? zap_class+0x640/0x640 [ 335.987165] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 335.987190] ? find_held_lock+0x36/0x1c0 [ 335.992005] eventpoll_epi 6KB 23KB [ 335.997365] ? ____cache_alloc_node+0x1c7/0x1e0 [ 335.997384] ? lock_downgrade+0x900/0x900 [ 336.002722] inotify_inode_mark 5KB 19KB [ 336.013196] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 336.013216] cache_grow_begin+0xa5/0x8c0 [ 336.018579] request_queue 164KB 164KB [ 336.023656] ? do_raw_spin_unlock+0xa7/0x330 [ 336.030929] blkdev_ioc 4KB 15KB [ 336.040252] fallback_alloc+0x204/0x2e0 [ 336.040274] ____cache_alloc_node+0x1c7/0x1e0 [ 336.045642] bio-0 39KB 90KB [ 336.048197] kmem_cache_alloc+0x1f8/0x730 [ 336.051881] biovec-max 1196KB 1196KB [ 336.057062] skb_clone+0x1bb/0x500 [ 336.057079] ? skb_split+0x11e0/0x11e0 [ 336.062425] bio_integrity_payload 1KB 7KB [ 336.066723] ? kasan_check_read+0x11/0x20 [ 336.066749] ? __schedule+0x168a/0x21d0 [ 336.066766] ? trace_hardirqs_off_caller+0x310/0x310 [ 336.071582] khugepaged_mm_slot 0KB 7KB [ 336.077635] ? lock_pin_lock+0x350/0x350 [ 336.077664] bpf_clone_redirect+0xb9/0x490 [ 336.081803] dmaengine-unmap-256 2KB 6KB [ 336.086187] ? __schedule+0x168a/0x21d0 [ 336.086206] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 336.086223] ? __sched_text_start+0x8/0x8 [ 336.091564] dmaengine-unmap-128 1KB 3KB [ 336.095954] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 336.095981] ? find_held_lock+0x36/0x1c0 [ 336.100800] dmaengine-unmap-16 0KB 4KB [ 336.106150] ? lock_acquire+0x1ed/0x520 [ 336.106164] ? bpf_test_run+0x3cb/0x780 [ 336.106181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.109960] dmaengine-unmap-2 0KB 3KB [ 336.115304] ? check_preemption_disabled+0x48/0x280 [ 336.119013] skbuff_fclone_cache 13KB 60KB [ 336.122774] ? kasan_check_read+0x11/0x20 [ 336.126570] skbuff_head_cache 445226KB 445226KB [ 336.131900] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 336.136130] configfs_dir_cache 0KB 4KB [ 336.140151] ? rcu_softirq_qs+0x20/0x20 [ 336.144186] file_lock_cache 0KB 3KB [ 336.149530] ? preempt_schedule+0x4d/0x60 [ 336.149545] ? ___preempt_schedule+0x16/0x18 [ 336.149567] ? bpf_test_run+0x25d/0x780 [ 336.155077] file_lock_ctx 0KB 3KB [ 336.158961] ? netlink_diag_dump+0x2a0/0x2a0 [ 336.158979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.164407] fsnotify_mark_connector 3KB 19KB [ 336.168451] ? bpf_test_init.isra.10+0x70/0x100 [ 336.168470] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 336.168495] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 336.173846] net_namespace 51KB 51KB [ 336.178062] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 336.178077] ? fput+0x130/0x1a0 [ 336.178097] ? __bpf_prog_get+0x9b/0x290 [ 336.183436] shmem_inode_cache 4486KB 4558KB [ 336.187308] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 336.187321] ? bpf_prog_test_run+0x130/0x1a0 [ 336.187346] ? __x64_sys_bpf+0x3d8/0x520 [ 336.192685] task_delay_info 42KB 199KB [ 336.197680] ? bpf_prog_get+0x20/0x20 [ 336.197714] ? do_syscall_64+0x1b9/0x820 [ 336.201937] taskstats 0KB 3KB [ 336.207281] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 336.207298] ? syscall_return_slowpath+0x5e0/0x5e0 [ 336.207315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.211533] proc_dir_entry 584KB 592KB [ 336.215573] ? trace_hardirqs_on_caller+0x310/0x310 [ 336.215589] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 336.215606] ? prepare_exit_to_usermode+0x291/0x3b0 [ 336.219294] pde_opener 0KB 3KB [ 336.224987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.228872] seq_file 0KB 3KB [ 336.234375] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 336.239382] sigqueue 0KB 23KB [ 336.244805] warn_alloc_show_mem: 1 callbacks suppressed [ 336.244809] Mem-Info: [ 336.248853] kernfs_node_cache 12067KB 12088KB [ 336.253499] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 336.253499] active_file:10 inactive_file:14 isolated_file:0 [ 336.253499] unevictable:0 dirty:0 writeback:0 unstable:0 [ 336.253499] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 336.253499] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 336.253499] free:13688 free_pcp:208 free_cma:0 [ 336.258841] mnt_cache 77KB 92KB [ 336.262536] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 336.267538] filp 251KB 588KB [ 336.271553] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 336.277236] names_cache 106KB 106KB [ 336.281860] lowmem_reserve[]: 0 2818 6321 6321 [ 336.286019] iint_cache 74KB 79KB [ 336.291426] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 336.296971] key_jar 3KB 7KB [ 336.300978] lowmem_reserve[]: 0 0 3503 3503 [ 336.306361] uts_namespace 2KB 7KB [ 336.310812] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:248kB free_cma:0kB [ 336.316184] nsproxy 1KB 7KB [ 336.320280] lowmem_reserve[]: 0 0 0 0 [ 336.324765] vm_area_struct 364KB 792KB [ 336.330100] 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 [ 336.334269] mm_struct 52KB 143KB [ 336.339598] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 336.343172] fs_cache 8KB 56KB [ 336.347029] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 336.352754] files_cache 30KB 82KB [ 336.356877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 336.356888] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 336.356893] 1671 total pagecache pages [ 336.356907] 0 pages in swap cache [ 336.360859] signal_cache 297KB 747KB [ 336.365934] Swap cache stats: add 0, delete 0, find 0/0 [ 336.365940] Free swap = 0kB [ 336.365945] Total swap = 0kB [ 336.365950] 1965979 pages RAM [ 336.365955] 0 pages HighMem/MovableOnly [ 336.365963] 342853 pages reserved [ 336.371401] sighand_cache 471KB 499KB [ 336.376127] 0 pages cma reserved [ 336.376226] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 336.380384] task_struct 1342KB 1342KB [ 336.385891] syz-executor4 cpuset=syz4 mems_allowed=0 [ 336.385916] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 336.385927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.389885] cred_jar 59KB 460KB [ 336.394869] Call Trace: [ 336.394891] dump_stack+0x244/0x39d [ 336.399040] anon_vma_chain 121KB 393KB [ 336.404545] ? dump_stack_print_info.cold.1+0x20/0x20 [ 336.409299] anon_vma 121KB 377KB [ 336.413348] warn_alloc.cold.116+0xb7/0x1bd [ 336.418785] pid 26KB 160KB [ 336.422723] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 336.426691] Acpi-Operand 106KB 162KB [ 336.432192] ? lock_downgrade+0x900/0x900 [ 336.437556] Acpi-Namespace 19KB 23KB [ 336.442537] ? trace_hardirqs_off+0xb8/0x310 [ 336.448066] numa_policy 0KB 3KB [ 336.452201] ? trace_hardirqs_off+0xb8/0x310 [ 336.457566] debug_objects_cache 839KB 842KB [ 336.462810] __alloc_pages_slowpath+0x26e8/0x2e10 [ 336.468266] trace_event_file 260KB 262KB [ 336.472228] ? warn_alloc+0x120/0x120 [ 336.477866] ftrace_event_field 376KB 378KB [ 336.481975] ? zap_class+0x640/0x640 [ 336.486382] pool_workqueue 87KB 92KB [ 336.490321] ? warn_alloc+0x120/0x120 [ 336.495680] task_group 5KB 7KB [ 336.500061] ? warn_alloc+0x120/0x120 [ 336.505595] page->ptl 71KB 411KB [ 336.511433] ? __lock_acquire+0x62f/0x4c20 [ 336.511450] ? print_usage_bug+0xc0/0xc0 [ 336.516141] kmalloc-2M 2050KB 2050KB [ 336.520835] ? print_usage_bug+0xc0/0xc0 [ 336.525676] kmalloc-512k 2056KB 2056KB [ 336.531011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.536538] kmalloc-256k 1290KB 1290KB [ 336.539784] ? should_fail+0x22d/0xd01 [ 336.543816] kmalloc-128k 650KB 650KB [ 336.549160] ? find_held_lock+0x36/0x1c0 [ 336.549177] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.549193] ? __lock_acquire+0x62f/0x4c20 [ 336.554026] kmalloc-64k 330KB 330KB [ 336.558417] ? should_fail+0x22d/0xd01 [ 336.558431] ? check_preemption_disabled+0x48/0x280 [ 336.558456] ? mark_held_locks+0x130/0x130 [ 336.562490] kmalloc-32k 1221KB 1221KB [ 336.567838] ? mark_held_locks+0x130/0x130 [ 336.567851] ? __lock_is_held+0xb5/0x140 [ 336.567874] ? zap_class+0x640/0x640 [ 336.571649] kmalloc-16k 396KB 396KB [ 336.576200] ? update_curr+0x344/0xbd0 [ 336.576219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.576237] ? check_preemption_disabled+0x48/0x280 [ 336.581578] kmalloc-8k 1914KB 1914KB [ 336.586943] ? __lock_is_held+0xb5/0x140 [ 336.586965] __alloc_pages_nodemask+0xa80/0xde0 [ 336.591871] kmalloc-4k 6455KB 6455KB [ 336.596693] ? zap_class+0x640/0x640 [ 336.596711] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 336.596737] ? find_held_lock+0x36/0x1c0 [ 336.602160] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 336.607084] ? ____cache_alloc_node+0x1c7/0x1e0 [ 336.612065] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 336.617073] ? lock_downgrade+0x900/0x900 [ 337.308917] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 337.314456] cache_grow_begin+0xa5/0x8c0 [ 337.318512] ? do_raw_spin_unlock+0xa7/0x330 [ 337.322924] fallback_alloc+0x204/0x2e0 [ 337.326902] ____cache_alloc_node+0x1c7/0x1e0 [ 337.331398] kmem_cache_alloc+0x1f8/0x730 [ 337.335552] skb_clone+0x1bb/0x500 [ 337.339102] ? skb_split+0x11e0/0x11e0 [ 337.342989] ? kasan_check_read+0x11/0x20 [ 337.347139] ? __schedule+0x168a/0x21d0 [ 337.351113] ? trace_hardirqs_off_caller+0x310/0x310 [ 337.356215] ? lock_pin_lock+0x350/0x350 [ 337.360291] bpf_clone_redirect+0xb9/0x490 [ 337.364532] ? __schedule+0x168a/0x21d0 [ 337.368508] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 337.374061] ? __sched_text_start+0x8/0x8 [ 337.378206] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 337.382976] ? find_held_lock+0x36/0x1c0 [ 337.387046] ? lock_acquire+0x1ed/0x520 [ 337.391014] ? bpf_test_run+0x3cb/0x780 [ 337.394993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.400547] ? check_preemption_disabled+0x48/0x280 [ 337.405563] ? kasan_check_read+0x11/0x20 [ 337.409704] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.414973] ? rcu_softirq_qs+0x20/0x20 [ 337.418949] ? preempt_schedule+0x4d/0x60 [ 337.423093] ? ___preempt_schedule+0x16/0x18 [ 337.427504] ? bpf_test_run+0x25d/0x780 [ 337.431485] ? netlink_diag_dump+0x2a0/0x2a0 [ 337.435887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.441420] ? bpf_test_init.isra.10+0x70/0x100 [ 337.446089] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 337.450849] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 337.455684] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 337.461224] ? fput+0x130/0x1a0 [ 337.464503] ? __bpf_prog_get+0x9b/0x290 [ 337.468565] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 337.474134] ? bpf_prog_test_run+0x130/0x1a0 [ 337.478544] ? __x64_sys_bpf+0x3d8/0x520 [ 337.482601] ? bpf_prog_get+0x20/0x20 [ 337.486418] ? do_syscall_64+0x1b9/0x820 [ 337.490472] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 337.495835] ? syscall_return_slowpath+0x5e0/0x5e0 [ 337.500759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.505599] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.510613] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 337.515626] ? prepare_exit_to_usermode+0x291/0x3b0 [ 337.520640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.525486] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.530879] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 337.531015] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 337.537649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.548106] syz-executor4 cpuset=syz4 mems_allowed=0 [ 337.557438] Call Trace: [ 337.565094] dump_stack+0x244/0x39d [ 337.568722] ? dump_stack_print_info.cold.1+0x20/0x20 [ 337.574267] warn_alloc.cold.116+0xb7/0x1bd [ 337.578592] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 337.583432] ? lock_downgrade+0x900/0x900 [ 337.587591] ? trace_hardirqs_off+0xb8/0x310 [ 337.592005] ? trace_hardirqs_off+0xb8/0x310 [ 337.596416] __alloc_pages_slowpath+0x26e8/0x2e10 [ 337.601276] ? warn_alloc+0x120/0x120 [ 337.605071] ? print_usage_bug+0xc0/0xc0 [ 337.609127] ? warn_alloc+0x120/0x120 [ 337.612936] ? warn_alloc+0x120/0x120 [ 337.616729] ? print_usage_bug+0xc0/0xc0 [ 337.620786] ? print_usage_bug+0xc0/0xc0 [ 337.624839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.630370] ? check_preemption_disabled+0x48/0x280 [ 337.635384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.640916] ? should_fail+0x22d/0xd01 [ 337.644797] ? ring_buffer_record_is_on+0xe1/0x130 [ 337.649726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.654821] ? __lock_acquire+0x62f/0x4c20 [ 337.659052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.664146] ? __lock_acquire+0x62f/0x4c20 [ 337.668374] ? should_fail+0x22d/0xd01 [ 337.672265] ? mark_held_locks+0x130/0x130 [ 337.676825] ? mark_held_locks+0x130/0x130 [ 337.681056] ? lock_downgrade+0x900/0x900 [ 337.685207] ? lock_downgrade+0x900/0x900 [ 337.689351] ? zap_class+0x640/0x640 [ 337.693060] ? print_usage_bug+0xc0/0xc0 [ 337.697111] ? trace_hardirqs_off+0xb8/0x310 [ 337.701514] ? kasan_check_read+0x11/0x20 [ 337.705680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.711215] ? check_preemption_disabled+0x48/0x280 [ 337.716233] ? __lock_is_held+0xb5/0x140 [ 337.720291] __alloc_pages_nodemask+0xa80/0xde0 [ 337.724951] ? zap_class+0x640/0x640 [ 337.728663] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 337.733683] ? find_held_lock+0x36/0x1c0 [ 337.737744] ? ____cache_alloc_node+0x1c7/0x1e0 [ 337.742411] ? lock_downgrade+0x900/0x900 [ 337.746559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.752092] cache_grow_begin+0xa5/0x8c0 [ 337.756145] ? do_raw_spin_unlock+0xa7/0x330 [ 337.760550] fallback_alloc+0x204/0x2e0 [ 337.764526] ____cache_alloc_node+0x1c7/0x1e0 [ 337.769024] kmem_cache_alloc_node+0xe3/0x730 [ 337.773785] ? ipv6_get_ifaddr+0x42e/0x620 [ 337.778021] __alloc_skb+0x119/0x770 [ 337.781726] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 337.786998] ? netdev_alloc_frag+0x1f0/0x1f0 [ 337.791399] ? lock_downgrade+0x900/0x900 [ 337.795550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.801079] ? refcount_sub_and_test_checked+0x203/0x310 [ 337.806525] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 337.811970] ? addrconf_rs_timer+0x690/0x690 [ 337.816382] ndisc_alloc_skb+0x144/0x340 [ 337.820446] ndisc_send_rs+0x331/0x6e0 [ 337.824338] addrconf_rs_timer+0x314/0x690 [ 337.828569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.832811] call_timer_fn+0x272/0x920 [ 337.836692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.840918] ? process_timeout+0x40/0x40 [ 337.844981] ? __run_timers+0x7da/0xc70 [ 337.848950] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.853441] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.857927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.862156] ? lockdep_hardirqs_on+0x296/0x5b0 [ 337.866741] ? trace_hardirqs_on+0xbd/0x310 [ 337.871054] ? kasan_check_read+0x11/0x20 [ 337.875512] ? __run_timers+0x7da/0xc70 [ 337.879480] ? trace_hardirqs_off_caller+0x310/0x310 [ 337.884587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.888817] __run_timers+0x7e5/0xc70 [ 337.892621] ? timer_fixup_init+0x70/0x70 [ 337.896760] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.901250] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.905734] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 337.910326] ? trace_hardirqs_on+0xbd/0x310 [ 337.914639] ? kasan_check_read+0x11/0x20 [ 337.918780] ? finish_task_switch+0x1f4/0x910 [ 337.923271] ? trace_hardirqs_off_caller+0x310/0x310 [ 337.928371] ? compat_start_thread+0x80/0x80 [ 337.932791] ? pvclock_read_flags+0x160/0x160 [ 337.937282] ? __switch_to_asm+0x34/0x70 [ 337.941345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.946878] ? check_preemption_disabled+0x48/0x280 [ 337.951895] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 337.957434] ? rcu_pm_notify+0xc0/0xc0 [ 337.961321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.966851] ? check_preemption_disabled+0x48/0x280 [ 337.971865] run_timer_softirq+0x52/0xb0 [ 337.976203] ? rcu_read_lock_sched_held+0x14f/0x180 [ 337.981219] __do_softirq+0x308/0xb7e [ 337.985016] ? trace_hardirqs_on_caller+0xc0/0x310 [ 337.989945] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 337.995043] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 338.000495] ? schedule+0x108/0x460 [ 338.004123] ? trace_hardirqs_off+0xb8/0x310 [ 338.008528] ? smpboot_thread_fn+0x68b/0xa00 [ 338.012934] ? trace_hardirqs_on+0x310/0x310 [ 338.017338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.022871] ? check_preemption_disabled+0x48/0x280 [ 338.027883] ? takeover_tasklets+0xa90/0xa90 [ 338.032289] run_ksoftirqd+0x5e/0x100 [ 338.036082] smpboot_thread_fn+0x68b/0xa00 [ 338.040311] ? sort_range+0x30/0x30 [ 338.043931] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 338.049030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.054561] ? __kthread_parkme+0xfb/0x1a0 [ 338.058791] ? sort_range+0x30/0x30 [ 338.062412] kthread+0x35a/0x440 [ 338.065782] ? kthread_stop+0x900/0x900 [ 338.069750] ret_from_fork+0x3a/0x50 [ 338.073784] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 338.073789] warn_alloc_show_mem: 1 callbacks suppressed [ 338.073796] Mem-Info: [ 338.081060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.086428] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 338.086428] active_file:10 inactive_file:14 isolated_file:0 [ 338.086428] unevictable:0 dirty:0 writeback:0 unstable:0 [ 338.086428] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 338.086428] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 338.086428] free:13688 free_pcp:208 free_cma:0 [ 338.088791] Call Trace: [ 338.098172] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 338.131194] dump_stack+0x244/0x39d [ 338.133765] 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 [ 338.161430] ? dump_stack_print_info.cold.1+0x20/0x20 [ 338.165022] lowmem_reserve[]: 0 2818 6321 6321 [ 338.191615] warn_alloc.cold.116+0xb7/0x1bd [ 338.196769] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 338.201344] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 338.205631] lowmem_reserve[]: 0 0 3503 3503 [ 338.233032] ? lock_downgrade+0x900/0x900 [ 338.237859] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 338.242183] ? trace_hardirqs_off+0xb8/0x310 [ 338.246292] lowmem_reserve[]: 0 0 0 0 [ 338.275798] ? trace_hardirqs_off+0xb8/0x310 [ 338.280177] 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 [ 338.283973] __alloc_pages_slowpath+0x26e8/0x2e10 [ 338.288346] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 338.301883] ? warn_alloc+0x120/0x120 [ 338.306674] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 338.322356] ? zap_class+0x640/0x640 [ 338.326220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 338.341111] ? warn_alloc+0x120/0x120 [ 338.344803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 338.353619] ? warn_alloc+0x120/0x120 [ 338.357387] 1671 total pagecache pages [ 338.365944] ? __lock_acquire+0x62f/0x4c20 [ 338.369720] 0 pages in swap cache [ 338.374053] ? print_usage_bug+0xc0/0xc0 [ 338.378259] Swap cache stats: add 0, delete 0, find 0/0 [ 338.381694] ? print_usage_bug+0xc0/0xc0 [ 338.385726] Free swap = 0kB [ 338.391081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.395105] Total swap = 0kB [ 338.398110] ? should_fail+0x22d/0xd01 [ 338.403618] 1965979 pages RAM [ 338.406620] ? find_held_lock+0x36/0x1c0 [ 338.410478] 0 pages HighMem/MovableOnly [ 338.413568] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.417596] 342853 pages reserved [ 338.421554] ? __lock_acquire+0x62f/0x4c20 [ 338.426628] 0 pages cma reserved [ 338.430068] ? should_fail+0x22d/0xd01 [ 338.434332] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 338.437626] ? check_preemption_disabled+0x48/0x280 [ 338.437654] ? mark_held_locks+0x130/0x130 [ 338.441562] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 338.447991] ? mark_held_locks+0x130/0x130 [ 338.452975] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 338.457195] ? __lock_is_held+0xb5/0x140 [ 338.481142] ? zap_class+0x640/0x640 [ 338.484849] ? update_curr+0x344/0xbd0 [ 338.488742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.494278] ? check_preemption_disabled+0x48/0x280 [ 338.499303] ? __lock_is_held+0xb5/0x140 [ 338.503367] __alloc_pages_nodemask+0xa80/0xde0 [ 338.508029] ? zap_class+0x640/0x640 [ 338.511741] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 338.516766] ? find_held_lock+0x36/0x1c0 [ 338.520844] ? ____cache_alloc_node+0x1c7/0x1e0 [ 338.525509] ? lock_downgrade+0x900/0x900 [ 338.529658] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 338.535193] cache_grow_begin+0xa5/0x8c0 [ 338.539250] ? do_raw_spin_unlock+0xa7/0x330 [ 338.543663] fallback_alloc+0x204/0x2e0 [ 338.547640] ____cache_alloc_node+0x1c7/0x1e0 [ 338.552146] kmem_cache_alloc+0x1f8/0x730 [ 338.556303] skb_clone+0x1bb/0x500 [ 338.559844] ? skb_split+0x11e0/0x11e0 [ 338.563732] ? kasan_check_read+0x11/0x20 [ 338.567880] ? __schedule+0x168a/0x21d0 [ 338.571850] ? trace_hardirqs_off_caller+0x310/0x310 [ 338.577676] ? lock_pin_lock+0x350/0x350 [ 338.581742] bpf_clone_redirect+0xb9/0x490 [ 338.585973] ? __schedule+0x168a/0x21d0 [ 338.589947] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 338.594957] ? __sched_text_start+0x8/0x8 [ 338.599100] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 338.603867] ? find_held_lock+0x36/0x1c0 [ 338.607935] ? lock_acquire+0x1ed/0x520 [ 338.611903] ? bpf_test_run+0x3cb/0x780 [ 338.615881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.621414] ? check_preemption_disabled+0x48/0x280 [ 338.626437] ? kasan_check_read+0x11/0x20 [ 338.630580] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 338.635850] ? rcu_softirq_qs+0x20/0x20 [ 338.639826] ? preempt_schedule+0x4d/0x60 [ 338.643968] ? ___preempt_schedule+0x16/0x18 [ 338.648381] ? bpf_test_run+0x25d/0x780 [ 338.652362] ? netlink_diag_dump+0x2a0/0x2a0 [ 338.656771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.662305] ? bpf_test_init.isra.10+0x70/0x100 [ 338.666973] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 338.671736] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 338.677061] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 338.682592] ? fput+0x130/0x1a0 [ 338.685873] ? __bpf_prog_get+0x9b/0x290 [ 338.689933] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 338.694768] ? bpf_prog_test_run+0x130/0x1a0 [ 338.699174] ? __x64_sys_bpf+0x3d8/0x520 [ 338.703228] ? bpf_prog_get+0x20/0x20 [ 338.707039] ? do_syscall_64+0x1b9/0x820 [ 338.711094] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 338.716465] ? syscall_return_slowpath+0x5e0/0x5e0 [ 338.721388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.726227] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.731238] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 338.736249] ? prepare_exit_to_usermode+0x291/0x3b0 [ 338.741266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.746118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 338.751502] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 338.751627] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 338.758271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.768734] syz-executor4 cpuset=syz4 mems_allowed=0 [ 338.778525] Call Trace: [ 338.786184] dump_stack+0x244/0x39d [ 338.789809] ? dump_stack_print_info.cold.1+0x20/0x20 [ 338.795004] warn_alloc.cold.116+0xb7/0x1bd [ 338.799322] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 338.804174] ? lock_downgrade+0x900/0x900 [ 338.808323] ? trace_hardirqs_off+0xb8/0x310 [ 338.812739] ? trace_hardirqs_off+0xb8/0x310 [ 338.817152] __alloc_pages_slowpath+0x26e8/0x2e10 [ 338.822010] ? warn_alloc+0x120/0x120 [ 338.825819] ? print_usage_bug+0xc0/0xc0 [ 338.829875] ? warn_alloc+0x120/0x120 [ 338.833674] ? warn_alloc+0x120/0x120 [ 338.837469] ? print_usage_bug+0xc0/0xc0 [ 338.841526] ? print_usage_bug+0xc0/0xc0 [ 338.845584] ? __lock_acquire+0x62f/0x4c20 [ 338.849818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.855589] ? should_fail+0x22d/0xd01 [ 338.859478] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.864580] ? __lock_acquire+0x62f/0x4c20 [ 338.868815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.874210] ? __lock_acquire+0x62f/0x4c20 [ 338.878440] ? should_fail+0x22d/0xd01 [ 338.882318] ? find_held_lock+0x36/0x1c0 [ 338.886388] ? mark_held_locks+0x130/0x130 [ 338.890622] ? mark_held_locks+0x130/0x130 [ 338.894845] ? zap_class+0x640/0x640 [ 338.898552] ? zap_class+0x640/0x640 [ 338.902260] ? print_usage_bug+0xc0/0xc0 [ 338.906312] ? do_raw_spin_unlock+0xa7/0x330 [ 338.910722] ? zap_class+0x640/0x640 [ 338.914427] ? print_usage_bug+0xc0/0xc0 [ 338.918481] ? wq_watchdog_touch+0x9c/0xfe [ 338.922715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.928262] ? check_preemption_disabled+0x48/0x280 [ 338.933279] ? __lock_is_held+0xb5/0x140 [ 338.937344] __alloc_pages_nodemask+0xa80/0xde0 [ 338.942006] ? zap_class+0x640/0x640 [ 338.945717] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 338.950735] ? find_held_lock+0x36/0x1c0 [ 338.954799] ? ____cache_alloc_node+0x1c7/0x1e0 [ 338.959461] ? lock_downgrade+0x900/0x900 [ 338.963607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.969143] cache_grow_begin+0xa5/0x8c0 [ 338.973534] ? do_raw_spin_unlock+0xa7/0x330 [ 338.977943] fallback_alloc+0x204/0x2e0 [ 338.981916] ____cache_alloc_node+0x1c7/0x1e0 [ 338.986408] kmem_cache_alloc_node+0xe3/0x730 [ 338.990897] ? ipv6_get_ifaddr+0x42e/0x620 [ 338.995137] __alloc_skb+0x119/0x770 [ 338.998844] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.004121] ? netdev_alloc_frag+0x1f0/0x1f0 [ 339.008520] ? lock_downgrade+0x900/0x900 [ 339.012667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.018199] ? refcount_sub_and_test_checked+0x203/0x310 [ 339.023872] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 339.029321] ? addrconf_rs_timer+0x690/0x690 [ 339.033734] ndisc_alloc_skb+0x144/0x340 [ 339.037807] ndisc_send_rs+0x331/0x6e0 [ 339.041695] addrconf_rs_timer+0x314/0x690 [ 339.045939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.050177] call_timer_fn+0x272/0x920 [ 339.054055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.058291] ? process_timeout+0x40/0x40 [ 339.062353] ? __run_timers+0x7da/0xc70 [ 339.066326] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.070821] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.075601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.079833] ? lockdep_hardirqs_on+0x296/0x5b0 [ 339.084417] ? trace_hardirqs_on+0xbd/0x310 [ 339.088734] ? kasan_check_read+0x11/0x20 [ 339.092874] ? __run_timers+0x7da/0xc70 [ 339.096845] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.101946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.106182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.110410] __run_timers+0x7e5/0xc70 [ 339.114213] ? timer_fixup_init+0x70/0x70 [ 339.118355] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.122844] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.127342] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 339.131918] ? trace_hardirqs_on+0xbd/0x310 [ 339.136234] ? kasan_check_read+0x11/0x20 [ 339.140380] ? finish_task_switch+0x1f4/0x910 [ 339.144867] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.149972] ? compat_start_thread+0x80/0x80 [ 339.154405] ? pvclock_read_flags+0x160/0x160 [ 339.158891] ? __switch_to_asm+0x34/0x70 [ 339.162950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.168505] ? check_preemption_disabled+0x48/0x280 [ 339.173848] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 339.179381] ? rcu_pm_notify+0xc0/0xc0 [ 339.183270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.188800] ? check_preemption_disabled+0x48/0x280 [ 339.193815] run_timer_softirq+0x52/0xb0 [ 339.197867] ? rcu_read_lock_sched_held+0x14f/0x180 [ 339.202879] __do_softirq+0x308/0xb7e [ 339.206675] ? trace_hardirqs_on_caller+0xc0/0x310 [ 339.211602] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 339.216695] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 339.222231] ? schedule+0x108/0x460 [ 339.225861] ? trace_hardirqs_off+0xb8/0x310 [ 339.230267] ? smpboot_thread_fn+0x68b/0xa00 [ 339.234669] ? trace_hardirqs_on+0x310/0x310 [ 339.239080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.244615] ? check_preemption_disabled+0x48/0x280 [ 339.249626] ? takeover_tasklets+0xa90/0xa90 [ 339.254030] run_ksoftirqd+0x5e/0x100 [ 339.257842] smpboot_thread_fn+0x68b/0xa00 [ 339.262082] ? sort_range+0x30/0x30 [ 339.265696] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 339.270810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.276706] ? __kthread_parkme+0xfb/0x1a0 [ 339.280943] ? sort_range+0x30/0x30 [ 339.284562] kthread+0x35a/0x440 [ 339.287925] ? kthread_stop+0x900/0x900 [ 339.291899] ret_from_fork+0x3a/0x50 [ 339.295615] warn_alloc_show_mem: 1 callbacks suppressed [ 339.295625] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 339.295627] Mem-Info: [ 339.295657] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 339.295657] active_file:10 inactive_file:14 isolated_file:0 [ 339.295657] unevictable:0 dirty:0 writeback:0 unstable:0 [ 339.295657] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 339.295657] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 339.295657] free:13688 free_pcp:208 free_cma:0 [ 339.300992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.308274] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 339.310659] Call Trace: [ 339.343690] 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 [ 339.353039] dump_stack+0x244/0x39d [ 339.381022] lowmem_reserve[]: 0 2818 6321 6321 [ 339.383608] ? dump_stack_print_info.cold.1+0x20/0x20 [ 339.409684] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 339.413309] warn_alloc.cold.116+0xb7/0x1bd [ 339.417853] lowmem_reserve[]: 0 0 3503 3503 [ 339.423033] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 339.450333] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 339.454648] ? lock_downgrade+0x900/0x900 [ 339.458928] lowmem_reserve[]: 0 0 0 0 [ 339.463770] ? trace_hardirqs_off+0xb8/0x310 [ 339.492989] 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 [ 339.497135] ? trace_hardirqs_off+0xb8/0x310 [ 339.500896] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 339.505309] __alloc_pages_slowpath+0x26e8/0x2e10 [ 339.518802] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 339.523229] ? warn_alloc+0x120/0x120 [ 339.538880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 339.543703] ? zap_class+0x640/0x640 [ 339.558592] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 339.558600] 1671 total pagecache pages [ 339.562395] ? warn_alloc+0x120/0x120 [ 339.571207] 0 pages in swap cache [ 339.575604] ? warn_alloc+0x120/0x120 [ 339.584149] Swap cache stats: add 0, delete 0, find 0/0 [ 339.588018] ? __lock_acquire+0x62f/0x4c20 [ 339.591804] Free swap = 0kB [ 339.595247] ? print_usage_bug+0xc0/0xc0 [ 339.599011] Total swap = 0kB [ 339.599019] 1965979 pages RAM [ 339.604373] ? print_usage_bug+0xc0/0xc0 [ 339.608572] 0 pages HighMem/MovableOnly [ 339.608579] 342853 pages reserved [ 339.611591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.615615] 0 pages cma reserved [ 339.618618] ? should_fail+0x22d/0xd01 [ 339.621752] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 339.625740] ? find_held_lock+0x36/0x1c0 [ 339.625757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.625775] ? __lock_acquire+0x62f/0x4c20 [ 339.629770] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 339.633167] ? should_fail+0x22d/0xd01 [ 339.638672] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 339.642032] ? check_preemption_disabled+0x48/0x280 [ 339.642058] ? mark_held_locks+0x130/0x130 [ 339.694270] ? mark_held_locks+0x130/0x130 [ 339.698498] ? __lock_is_held+0xb5/0x140 [ 339.702560] ? zap_class+0x640/0x640 [ 339.706272] ? update_curr+0x344/0xbd0 [ 339.710159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.715691] ? check_preemption_disabled+0x48/0x280 [ 339.720708] ? __lock_is_held+0xb5/0x140 [ 339.724775] __alloc_pages_nodemask+0xa80/0xde0 [ 339.729452] ? zap_class+0x640/0x640 [ 339.733163] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 339.738187] ? find_held_lock+0x36/0x1c0 [ 339.742254] ? ____cache_alloc_node+0x1c7/0x1e0 [ 339.746918] ? lock_downgrade+0x900/0x900 [ 339.751079] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 339.756613] cache_grow_begin+0xa5/0x8c0 [ 339.760668] ? do_raw_spin_unlock+0xa7/0x330 [ 339.765075] fallback_alloc+0x204/0x2e0 [ 339.769050] ____cache_alloc_node+0x1c7/0x1e0 [ 339.774291] kmem_cache_alloc+0x1f8/0x730 [ 339.778451] skb_clone+0x1bb/0x500 [ 339.781985] ? skb_split+0x11e0/0x11e0 [ 339.785874] ? kasan_check_read+0x11/0x20 [ 339.790027] ? __schedule+0x168a/0x21d0 [ 339.793999] ? trace_hardirqs_off_caller+0x310/0x310 [ 339.799112] ? lock_pin_lock+0x350/0x350 [ 339.803180] bpf_clone_redirect+0xb9/0x490 [ 339.807412] ? __schedule+0x168a/0x21d0 [ 339.811387] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 339.816399] ? __sched_text_start+0x8/0x8 [ 339.820543] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 339.825305] ? find_held_lock+0x36/0x1c0 [ 339.829367] ? lock_acquire+0x1ed/0x520 [ 339.833340] ? bpf_test_run+0x3cb/0x780 [ 339.837311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.842862] ? check_preemption_disabled+0x48/0x280 [ 339.847880] ? kasan_check_read+0x11/0x20 [ 339.852029] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 339.857298] ? rcu_softirq_qs+0x20/0x20 [ 339.861271] ? preempt_schedule+0x4d/0x60 [ 339.865414] ? ___preempt_schedule+0x16/0x18 [ 339.869819] ? bpf_test_run+0x25d/0x780 [ 339.874361] ? netlink_diag_dump+0x2a0/0x2a0 [ 339.878771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.884303] ? bpf_test_init.isra.10+0x70/0x100 [ 339.888973] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 339.893740] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 339.898584] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 339.904115] ? fput+0x130/0x1a0 [ 339.907392] ? __bpf_prog_get+0x9b/0x290 [ 339.911448] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 339.916285] ? bpf_prog_test_run+0x130/0x1a0 [ 339.920692] ? __x64_sys_bpf+0x3d8/0x520 [ 339.924745] ? bpf_prog_get+0x20/0x20 [ 339.928577] ? do_syscall_64+0x1b9/0x820 [ 339.932644] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 339.938018] ? syscall_return_slowpath+0x5e0/0x5e0 [ 339.942941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.947782] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.952793] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 339.957803] ? prepare_exit_to_usermode+0x291/0x3b0 [ 339.962822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.967665] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.973587] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 339.973698] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 339.980358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.990821] syz-executor4 cpuset=syz4 mems_allowed=0 [ 340.000158] Call Trace: [ 340.007815] dump_stack+0x244/0x39d [ 340.011438] ? dump_stack_print_info.cold.1+0x20/0x20 [ 340.016632] warn_alloc.cold.116+0xb7/0x1bd [ 340.020949] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 340.025789] ? lock_downgrade+0x900/0x900 [ 340.029938] ? trace_hardirqs_off+0xb8/0x310 [ 340.034342] ? trace_hardirqs_off+0xb8/0x310 [ 340.038753] __alloc_pages_slowpath+0x26e8/0x2e10 [ 340.043612] ? warn_alloc+0x120/0x120 [ 340.047418] ? print_usage_bug+0xc0/0xc0 [ 340.051476] ? warn_alloc+0x120/0x120 [ 340.055278] ? warn_alloc+0x120/0x120 [ 340.059073] ? print_usage_bug+0xc0/0xc0 [ 340.063131] ? print_usage_bug+0xc0/0xc0 [ 340.067186] ? __lock_acquire+0x62f/0x4c20 [ 340.071420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.077270] ? should_fail+0x22d/0xd01 [ 340.081154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.086257] ? __lock_acquire+0x62f/0x4c20 [ 340.090488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.095583] ? __lock_acquire+0x62f/0x4c20 [ 340.099811] ? should_fail+0x22d/0xd01 [ 340.103692] ? find_held_lock+0x36/0x1c0 [ 340.107756] ? mark_held_locks+0x130/0x130 [ 340.111995] ? mark_held_locks+0x130/0x130 [ 340.116223] ? zap_class+0x640/0x640 [ 340.119931] ? zap_class+0x640/0x640 [ 340.123642] ? print_usage_bug+0xc0/0xc0 [ 340.127696] ? do_raw_spin_unlock+0xa7/0x330 [ 340.132098] ? zap_class+0x640/0x640 [ 340.135812] ? print_usage_bug+0xc0/0xc0 [ 340.139867] ? wq_watchdog_touch+0x9c/0xfe [ 340.144096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.149626] ? check_preemption_disabled+0x48/0x280 [ 340.154645] ? __lock_is_held+0xb5/0x140 [ 340.158703] __alloc_pages_nodemask+0xa80/0xde0 [ 340.163365] ? zap_class+0x640/0x640 [ 340.167077] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 340.172097] ? find_held_lock+0x36/0x1c0 [ 340.176447] ? ____cache_alloc_node+0x1c7/0x1e0 [ 340.181109] ? lock_downgrade+0x900/0x900 [ 340.185257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.190790] cache_grow_begin+0xa5/0x8c0 [ 340.194846] ? do_raw_spin_unlock+0xa7/0x330 [ 340.199260] fallback_alloc+0x204/0x2e0 [ 340.203239] ____cache_alloc_node+0x1c7/0x1e0 [ 340.207732] kmem_cache_alloc_node+0xe3/0x730 [ 340.212220] ? ipv6_get_ifaddr+0x42e/0x620 [ 340.216471] __alloc_skb+0x119/0x770 [ 340.220196] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 340.225475] ? netdev_alloc_frag+0x1f0/0x1f0 [ 340.229881] ? lock_downgrade+0x900/0x900 [ 340.234034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.239599] ? refcount_sub_and_test_checked+0x203/0x310 [ 340.245045] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 340.250489] ? addrconf_rs_timer+0x690/0x690 [ 340.254911] ndisc_alloc_skb+0x144/0x340 [ 340.258974] ndisc_send_rs+0x331/0x6e0 [ 340.262861] addrconf_rs_timer+0x314/0x690 [ 340.267092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.271328] call_timer_fn+0x272/0x920 [ 340.275553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.279780] ? process_timeout+0x40/0x40 [ 340.283845] ? __run_timers+0x7da/0xc70 [ 340.287816] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.292300] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.296786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.301018] ? lockdep_hardirqs_on+0x296/0x5b0 [ 340.305597] ? trace_hardirqs_on+0xbd/0x310 [ 340.309909] ? kasan_check_read+0x11/0x20 [ 340.314049] ? __run_timers+0x7da/0xc70 [ 340.318016] ? trace_hardirqs_off_caller+0x310/0x310 [ 340.323114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.327354] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 340.331578] __run_timers+0x7e5/0xc70 [ 340.335381] ? timer_fixup_init+0x70/0x70 [ 340.339518] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.344003] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.348495] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 340.353071] ? trace_hardirqs_on+0xbd/0x310 [ 340.357384] ? kasan_check_read+0x11/0x20 [ 340.361530] ? finish_task_switch+0x1f4/0x910 [ 340.366037] ? trace_hardirqs_off_caller+0x310/0x310 [ 340.371134] ? compat_start_thread+0x80/0x80 [ 340.375839] ? pvclock_read_flags+0x160/0x160 [ 340.380323] ? __switch_to_asm+0x34/0x70 [ 340.384379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.389912] ? check_preemption_disabled+0x48/0x280 [ 340.394930] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 340.400464] ? rcu_pm_notify+0xc0/0xc0 [ 340.404345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.409876] ? check_preemption_disabled+0x48/0x280 [ 340.414887] run_timer_softirq+0x52/0xb0 [ 340.418940] ? rcu_read_lock_sched_held+0x14f/0x180 [ 340.423963] __do_softirq+0x308/0xb7e [ 340.427761] ? trace_hardirqs_on_caller+0xc0/0x310 [ 340.432689] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 340.437784] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 340.443233] ? schedule+0x108/0x460 [ 340.446862] ? trace_hardirqs_off+0xb8/0x310 [ 340.451264] ? smpboot_thread_fn+0x68b/0xa00 [ 340.455663] ? trace_hardirqs_on+0x310/0x310 [ 340.460080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.465608] ? check_preemption_disabled+0x48/0x280 [ 340.470630] ? takeover_tasklets+0xa90/0xa90 [ 340.475360] run_ksoftirqd+0x5e/0x100 [ 340.479151] smpboot_thread_fn+0x68b/0xa00 [ 340.483378] ? sort_range+0x30/0x30 [ 340.487003] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 340.492098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.497626] ? __kthread_parkme+0xfb/0x1a0 [ 340.501859] ? sort_range+0x30/0x30 [ 340.505479] kthread+0x35a/0x440 [ 340.508837] ? kthread_stop+0x900/0x900 [ 340.512807] ret_from_fork+0x3a/0x50 [ 340.516526] warn_alloc_show_mem: 1 callbacks suppressed [ 340.516537] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 340.516538] Mem-Info: [ 340.516569] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 340.516569] active_file:10 inactive_file:14 isolated_file:0 [ 340.516569] unevictable:0 dirty:0 writeback:0 unstable:0 [ 340.516569] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 340.516569] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 340.516569] free:13688 free_pcp:208 free_cma:0 [ 340.521895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.521902] Call Trace: [ 340.529186] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 340.531585] dump_stack+0x244/0x39d [ 340.564607] 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 [ 340.574473] ? dump_stack_print_info.cold.1+0x20/0x20 [ 340.577025] lowmem_reserve[]: 0 2818 6321 6321 [ 340.604703] warn_alloc.cold.116+0xb7/0x1bd [ 340.608291] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 340.634402] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 340.639559] lowmem_reserve[]: 0 0 3503 3503 [ 340.644133] ? lock_downgrade+0x900/0x900 [ 340.648426] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 340.676458] ? trace_hardirqs_off+0xb8/0x310 [ 340.681260] lowmem_reserve[]: 0 0 0 0 [ 340.685581] ? trace_hardirqs_off+0xb8/0x310 [ 340.689701] 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 [ 340.718697] __alloc_pages_slowpath+0x26e8/0x2e10 [ 340.723068] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 340.726899] ? warn_alloc+0x120/0x120 [ 340.731256] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 340.744765] ? zap_class+0x640/0x640 [ 340.749582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 340.765265] ? warn_alloc+0x120/0x120 [ 340.769044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 340.784520] ? warn_alloc+0x120/0x120 [ 340.788213] 1671 total pagecache pages [ 340.797206] ? __lock_acquire+0x62f/0x4c20 [ 340.800997] 0 pages in swap cache [ 340.809553] ? print_usage_bug+0xc0/0xc0 [ 340.813324] Swap cache stats: add 0, delete 0, find 0/0 [ 340.817195] ? print_usage_bug+0xc0/0xc0 [ 340.821399] Free swap = 0kB [ 340.824844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.828865] Total swap = 0kB [ 340.834213] ? should_fail+0x22d/0xd01 [ 340.838240] 1965979 pages RAM [ 340.841245] ? find_held_lock+0x36/0x1c0 [ 340.846748] 0 pages HighMem/MovableOnly [ 340.846756] 342853 pages reserved [ 340.849762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.853849] 0 pages cma reserved [ 340.856951] ? __lock_acquire+0x62f/0x4c20 [ 340.861041] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 340.864948] ? should_fail+0x22d/0xd01 [ 340.868535] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 340.874180] ? check_preemption_disabled+0x48/0x280 [ 340.877524] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 340.881752] ? mark_held_locks+0x130/0x130 [ 340.916238] ? mark_held_locks+0x130/0x130 [ 340.920467] ? __lock_is_held+0xb5/0x140 [ 340.924529] ? zap_class+0x640/0x640 [ 340.928240] ? update_curr+0x344/0xbd0 [ 340.932135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.937676] ? check_preemption_disabled+0x48/0x280 [ 340.942700] ? __lock_is_held+0xb5/0x140 [ 340.946761] __alloc_pages_nodemask+0xa80/0xde0 [ 340.951423] ? zap_class+0x640/0x640 [ 340.955135] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 340.960158] ? find_held_lock+0x36/0x1c0 [ 340.964223] ? ____cache_alloc_node+0x1c7/0x1e0 [ 340.968887] ? lock_downgrade+0x900/0x900 [ 340.973743] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 340.979281] cache_grow_begin+0xa5/0x8c0 [ 340.983340] ? do_raw_spin_unlock+0xa7/0x330 [ 340.987749] fallback_alloc+0x204/0x2e0 [ 340.991722] ____cache_alloc_node+0x1c7/0x1e0 [ 340.996216] kmem_cache_alloc+0x1f8/0x730 [ 341.000372] skb_clone+0x1bb/0x500 [ 341.003914] ? skb_split+0x11e0/0x11e0 [ 341.007802] ? kasan_check_read+0x11/0x20 [ 341.011944] ? __schedule+0x168a/0x21d0 [ 341.015925] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.021514] ? lock_pin_lock+0x350/0x350 [ 341.025582] bpf_clone_redirect+0xb9/0x490 [ 341.029812] ? __schedule+0x168a/0x21d0 [ 341.033783] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 341.038796] ? __sched_text_start+0x8/0x8 [ 341.042939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 341.047702] ? find_held_lock+0x36/0x1c0 [ 341.051766] ? lock_acquire+0x1ed/0x520 [ 341.055739] ? bpf_test_run+0x3cb/0x780 [ 341.059708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.065246] ? check_preemption_disabled+0x48/0x280 [ 341.070268] ? kasan_check_read+0x11/0x20 [ 341.075114] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.080385] ? rcu_softirq_qs+0x20/0x20 [ 341.084355] ? preempt_schedule+0x4d/0x60 [ 341.088508] ? ___preempt_schedule+0x16/0x18 [ 341.093005] ? bpf_test_run+0x25d/0x780 [ 341.096983] ? netlink_diag_dump+0x2a0/0x2a0 [ 341.101392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.106926] ? bpf_test_init.isra.10+0x70/0x100 [ 341.111593] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 341.116357] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 341.121197] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 341.128118] ? fput+0x130/0x1a0 [ 341.131392] ? __bpf_prog_get+0x9b/0x290 [ 341.135452] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 341.140291] ? bpf_prog_test_run+0x130/0x1a0 [ 341.144695] ? __x64_sys_bpf+0x3d8/0x520 [ 341.148750] ? bpf_prog_get+0x20/0x20 [ 341.152562] ? do_syscall_64+0x1b9/0x820 [ 341.156628] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 341.162012] ? syscall_return_slowpath+0x5e0/0x5e0 [ 341.166944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.171784] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.177541] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 341.182552] ? prepare_exit_to_usermode+0x291/0x3b0 [ 341.187568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.192408] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 341.197779] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 341.197897] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 341.204530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.214999] syz-executor4 cpuset=syz4 mems_allowed=0 [ 341.224334] Call Trace: [ 341.231990] dump_stack+0x244/0x39d [ 341.235615] ? dump_stack_print_info.cold.1+0x20/0x20 [ 341.240809] warn_alloc.cold.116+0xb7/0x1bd [ 341.245148] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 341.249989] ? lock_downgrade+0x900/0x900 [ 341.254155] ? trace_hardirqs_off+0xb8/0x310 [ 341.258577] ? trace_hardirqs_off+0xb8/0x310 [ 341.262989] __alloc_pages_slowpath+0x26e8/0x2e10 [ 341.267851] ? warn_alloc+0x120/0x120 [ 341.271652] ? print_usage_bug+0xc0/0xc0 [ 341.275999] ? warn_alloc+0x120/0x120 [ 341.279795] ? warn_alloc+0x120/0x120 [ 341.283592] ? print_usage_bug+0xc0/0xc0 [ 341.287647] ? print_usage_bug+0xc0/0xc0 [ 341.291703] ? print_usage_bug+0xc0/0xc0 [ 341.295758] ? __lock_acquire+0x62f/0x4c20 [ 341.299993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.305541] ? should_fail+0x22d/0xd01 [ 341.309420] ? __lock_acquire+0x62f/0x4c20 [ 341.313652] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.318746] ? __lock_acquire+0x62f/0x4c20 [ 341.322980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.328081] ? __lock_acquire+0x62f/0x4c20 [ 341.332307] ? should_fail+0x22d/0xd01 [ 341.336199] ? mark_held_locks+0x130/0x130 [ 341.340429] ? mark_held_locks+0x130/0x130 [ 341.344664] ? lock_downgrade+0x900/0x900 [ 341.348804] ? zap_class+0x640/0x640 [ 341.352510] ? print_usage_bug+0xc0/0xc0 [ 341.356569] ? trace_hardirqs_off+0xb8/0x310 [ 341.360967] ? kasan_check_read+0x11/0x20 [ 341.365107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.370646] ? check_preemption_disabled+0x48/0x280 [ 341.376000] ? __lock_is_held+0xb5/0x140 [ 341.380065] __alloc_pages_nodemask+0xa80/0xde0 [ 341.384724] ? zap_class+0x640/0x640 [ 341.388454] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 341.393469] ? find_held_lock+0x36/0x1c0 [ 341.397530] ? ____cache_alloc_node+0x1c7/0x1e0 [ 341.402195] ? lock_downgrade+0x900/0x900 [ 341.406356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.411894] cache_grow_begin+0xa5/0x8c0 [ 341.415944] ? do_raw_spin_unlock+0xa7/0x330 [ 341.420349] fallback_alloc+0x204/0x2e0 [ 341.424323] ____cache_alloc_node+0x1c7/0x1e0 [ 341.428822] kmem_cache_alloc_node+0xe3/0x730 [ 341.433311] ? ipv6_get_ifaddr+0x42e/0x620 [ 341.437546] __alloc_skb+0x119/0x770 [ 341.441250] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.446535] ? netdev_alloc_frag+0x1f0/0x1f0 [ 341.450935] ? lock_downgrade+0x900/0x900 [ 341.455082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.460617] ? refcount_sub_and_test_checked+0x203/0x310 [ 341.466066] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 341.471507] ? addrconf_rs_timer+0x690/0x690 [ 341.476234] ndisc_alloc_skb+0x144/0x340 [ 341.480289] ndisc_send_rs+0x331/0x6e0 [ 341.484173] addrconf_rs_timer+0x314/0x690 [ 341.488404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.492661] call_timer_fn+0x272/0x920 [ 341.496540] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.500771] ? process_timeout+0x40/0x40 [ 341.504829] ? __run_timers+0x7da/0xc70 [ 341.508805] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.513295] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.517779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.522011] ? lockdep_hardirqs_on+0x296/0x5b0 [ 341.526593] ? trace_hardirqs_on+0xbd/0x310 [ 341.530906] ? kasan_check_read+0x11/0x20 [ 341.535045] ? __run_timers+0x7da/0xc70 [ 341.539029] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.544138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.548366] __run_timers+0x7e5/0xc70 [ 341.552167] ? timer_fixup_init+0x70/0x70 [ 341.556307] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.560795] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.565285] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 341.569869] ? trace_hardirqs_on+0xbd/0x310 [ 341.574496] ? kasan_check_read+0x11/0x20 [ 341.578641] ? finish_task_switch+0x1f4/0x910 [ 341.583135] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.588234] ? compat_start_thread+0x80/0x80 [ 341.592651] ? pvclock_read_flags+0x160/0x160 [ 341.597138] ? __switch_to_asm+0x34/0x70 [ 341.601203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.606737] ? check_preemption_disabled+0x48/0x280 [ 341.611754] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 341.617285] ? rcu_pm_notify+0xc0/0xc0 [ 341.621169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.626700] ? check_preemption_disabled+0x48/0x280 [ 341.631715] run_timer_softirq+0x52/0xb0 [ 341.635767] ? rcu_read_lock_sched_held+0x14f/0x180 [ 341.640776] __do_softirq+0x308/0xb7e [ 341.644577] ? trace_hardirqs_on_caller+0xc0/0x310 [ 341.649506] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 341.654603] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 341.660052] ? schedule+0x108/0x460 [ 341.663685] ? trace_hardirqs_off+0xb8/0x310 [ 341.668088] ? smpboot_thread_fn+0x68b/0xa00 [ 341.672829] ? trace_hardirqs_on+0x310/0x310 [ 341.677233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.682763] ? check_preemption_disabled+0x48/0x280 [ 341.687774] ? takeover_tasklets+0xa90/0xa90 [ 341.692174] run_ksoftirqd+0x5e/0x100 [ 341.695966] smpboot_thread_fn+0x68b/0xa00 [ 341.700212] ? sort_range+0x30/0x30 [ 341.703832] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 341.708934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.714491] ? __kthread_parkme+0xfb/0x1a0 [ 341.718723] ? sort_range+0x30/0x30 [ 341.722347] kthread+0x35a/0x440 [ 341.725711] ? kthread_stop+0x900/0x900 [ 341.729678] ret_from_fork+0x3a/0x50 [ 341.733404] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 341.733409] warn_alloc_show_mem: 1 callbacks suppressed [ 341.733416] Mem-Info: [ 341.740680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.746039] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 341.746039] active_file:10 inactive_file:14 isolated_file:0 [ 341.746039] unevictable:0 dirty:0 writeback:0 unstable:0 [ 341.746039] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 341.746039] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 341.746039] free:13688 free_pcp:208 free_cma:0 [ 341.748406] Call Trace: [ 341.757781] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 341.791296] dump_stack+0x244/0x39d [ 341.793859] 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 [ 341.821542] ? dump_stack_print_info.cold.1+0x20/0x20 [ 341.825134] lowmem_reserve[]: 0 2818 6321 6321 [ 341.851244] warn_alloc.cold.116+0xb7/0x1bd [ 341.856398] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 341.861060] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 341.865348] lowmem_reserve[]: 0 0 3503 3503 [ 341.893190] ? lock_downgrade+0x900/0x900 [ 341.898001] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 341.902326] ? trace_hardirqs_off+0xb8/0x310 [ 341.906437] lowmem_reserve[]: 0 0 0 0 [ 341.935398] ? trace_hardirqs_off+0xb8/0x310 [ 341.939792] 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 [ 341.943595] __alloc_pages_slowpath+0x26e8/0x2e10 [ 341.947967] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 341.961501] ? warn_alloc+0x120/0x120 [ 341.966289] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 341.982500] ? zap_class+0x640/0x640 [ 341.986276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 342.001166] ? warn_alloc+0x120/0x120 [ 342.004857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 342.013676] ? warn_alloc+0x120/0x120 [ 342.017458] 1671 total pagecache pages [ 342.026017] ? __lock_acquire+0x62f/0x4c20 [ 342.029816] 0 pages in swap cache [ 342.033695] ? print_usage_bug+0xc0/0xc0 [ 342.037901] Swap cache stats: add 0, delete 0, find 0/0 [ 342.041444] ? print_usage_bug+0xc0/0xc0 [ 342.045474] Free swap = 0kB [ 342.050916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.054935] Total swap = 0kB [ 342.054943] 1965979 pages RAM [ 342.057951] ? should_fail+0x22d/0xd01 [ 342.063454] 0 pages HighMem/MovableOnly [ 342.063462] 342853 pages reserved [ 342.066464] ? find_held_lock+0x36/0x1c0 [ 342.069542] 0 pages cma reserved [ 342.074165] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.078166] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 342.081549] ? __lock_acquire+0x62f/0x4c20 [ 342.085675] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.088957] ? should_fail+0x22d/0xd01 [ 342.094030] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 342.100506] ? check_preemption_disabled+0x48/0x280 [ 342.128543] ? mark_held_locks+0x130/0x130 [ 342.132792] ? mark_held_locks+0x130/0x130 [ 342.137024] ? __lock_is_held+0xb5/0x140 [ 342.141090] ? zap_class+0x640/0x640 [ 342.144795] ? update_curr+0x344/0xbd0 [ 342.148689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.154224] ? check_preemption_disabled+0x48/0x280 [ 342.159241] ? __lock_is_held+0xb5/0x140 [ 342.163300] __alloc_pages_nodemask+0xa80/0xde0 [ 342.167962] ? zap_class+0x640/0x640 [ 342.171678] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 342.177197] ? find_held_lock+0x36/0x1c0 [ 342.181259] ? ____cache_alloc_node+0x1c7/0x1e0 [ 342.185921] ? lock_downgrade+0x900/0x900 [ 342.190069] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 342.195605] cache_grow_begin+0xa5/0x8c0 [ 342.199664] ? do_raw_spin_unlock+0xa7/0x330 [ 342.204073] fallback_alloc+0x204/0x2e0 [ 342.208048] ____cache_alloc_node+0x1c7/0x1e0 [ 342.212542] kmem_cache_alloc+0x1f8/0x730 [ 342.216701] skb_clone+0x1bb/0x500 [ 342.220237] ? skb_split+0x11e0/0x11e0 [ 342.224122] ? kasan_check_read+0x11/0x20 [ 342.228286] ? __schedule+0x168a/0x21d0 [ 342.232258] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.237614] ? lock_pin_lock+0x350/0x350 [ 342.241680] bpf_clone_redirect+0xb9/0x490 [ 342.245916] ? __schedule+0x168a/0x21d0 [ 342.249889] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 342.254905] ? __sched_text_start+0x8/0x8 [ 342.259049] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 342.263817] ? find_held_lock+0x36/0x1c0 [ 342.267881] ? lock_acquire+0x1ed/0x520 [ 342.271849] ? bpf_test_run+0x3cb/0x780 [ 342.276578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.282112] ? check_preemption_disabled+0x48/0x280 [ 342.287129] ? kasan_check_read+0x11/0x20 [ 342.291279] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.296553] ? rcu_softirq_qs+0x20/0x20 [ 342.300525] ? preempt_schedule+0x4d/0x60 [ 342.304671] ? ___preempt_schedule+0x16/0x18 [ 342.309084] ? bpf_test_run+0x25d/0x780 [ 342.313062] ? netlink_diag_dump+0x2a0/0x2a0 [ 342.317471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.323000] ? bpf_test_init.isra.10+0x70/0x100 [ 342.327663] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 342.332435] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 342.337268] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 342.342804] ? fput+0x130/0x1a0 [ 342.346078] ? __bpf_prog_get+0x9b/0x290 [ 342.350148] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 342.354983] ? bpf_prog_test_run+0x130/0x1a0 [ 342.359478] ? __x64_sys_bpf+0x3d8/0x520 [ 342.363532] ? bpf_prog_get+0x20/0x20 [ 342.367351] ? do_syscall_64+0x1b9/0x820 [ 342.371404] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 342.377520] ? syscall_return_slowpath+0x5e0/0x5e0 [ 342.382454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.387294] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.392315] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 342.397330] ? prepare_exit_to_usermode+0x291/0x3b0 [ 342.402347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.407281] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 342.412657] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 342.412762] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.419407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.429868] syz-executor4 cpuset=syz4 mems_allowed=0 [ 342.439208] Call Trace: [ 342.446867] dump_stack+0x244/0x39d [ 342.450492] ? dump_stack_print_info.cold.1+0x20/0x20 [ 342.455703] warn_alloc.cold.116+0xb7/0x1bd [ 342.460018] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 342.464864] ? lock_downgrade+0x900/0x900 [ 342.469016] ? trace_hardirqs_off+0xb8/0x310 [ 342.473741] ? trace_hardirqs_off+0xb8/0x310 [ 342.478160] __alloc_pages_slowpath+0x26e8/0x2e10 [ 342.483033] ? warn_alloc+0x120/0x120 [ 342.486830] ? print_usage_bug+0xc0/0xc0 [ 342.490884] ? warn_alloc+0x120/0x120 [ 342.494682] ? warn_alloc+0x120/0x120 [ 342.498477] ? print_usage_bug+0xc0/0xc0 [ 342.502534] ? print_usage_bug+0xc0/0xc0 [ 342.506595] ? __lock_acquire+0x62f/0x4c20 [ 342.510828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.516360] ? should_fail+0x22d/0xd01 [ 342.520245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.525338] ? __lock_acquire+0x62f/0x4c20 [ 342.529567] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.534662] ? __lock_acquire+0x62f/0x4c20 [ 342.538892] ? should_fail+0x22d/0xd01 [ 342.542778] ? find_held_lock+0x36/0x1c0 [ 342.546837] ? mark_held_locks+0x130/0x130 [ 342.551068] ? mark_held_locks+0x130/0x130 [ 342.555295] ? zap_class+0x640/0x640 [ 342.559005] ? mark_held_locks+0xc7/0x130 [ 342.563151] ? do_raw_spin_unlock+0xa7/0x330 [ 342.567551] ? zap_class+0x640/0x640 [ 342.571259] ? print_usage_bug+0xc0/0xc0 [ 342.575625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.581154] ? check_preemption_disabled+0x48/0x280 [ 342.586171] ? __lock_is_held+0xb5/0x140 [ 342.590229] __alloc_pages_nodemask+0xa80/0xde0 [ 342.594900] ? zap_class+0x640/0x640 [ 342.598640] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 342.603680] ? find_held_lock+0x36/0x1c0 [ 342.607742] ? ____cache_alloc_node+0x1c7/0x1e0 [ 342.612411] ? lock_downgrade+0x900/0x900 [ 342.616561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.622092] cache_grow_begin+0xa5/0x8c0 [ 342.626143] ? do_raw_spin_unlock+0xa7/0x330 [ 342.630565] fallback_alloc+0x204/0x2e0 [ 342.634537] ____cache_alloc_node+0x1c7/0x1e0 [ 342.639034] kmem_cache_alloc_node+0xe3/0x730 [ 342.643522] ? ipv6_get_ifaddr+0x42e/0x620 [ 342.647766] __alloc_skb+0x119/0x770 [ 342.651473] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.656748] ? netdev_alloc_frag+0x1f0/0x1f0 [ 342.661160] ? lock_downgrade+0x900/0x900 [ 342.665305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.670833] ? refcount_sub_and_test_checked+0x203/0x310 [ 342.676557] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 342.682003] ? addrconf_rs_timer+0x690/0x690 [ 342.686420] ndisc_alloc_skb+0x144/0x340 [ 342.690479] ndisc_send_rs+0x331/0x6e0 [ 342.694381] addrconf_rs_timer+0x314/0x690 [ 342.698618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.702869] call_timer_fn+0x272/0x920 [ 342.706747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.710985] ? process_timeout+0x40/0x40 [ 342.715050] ? __run_timers+0x7da/0xc70 [ 342.719024] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.723509] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.727997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.732231] ? lockdep_hardirqs_on+0x296/0x5b0 [ 342.736808] ? trace_hardirqs_on+0xbd/0x310 [ 342.741124] ? kasan_check_read+0x11/0x20 [ 342.745261] ? __run_timers+0x7da/0xc70 [ 342.749231] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.754418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.758649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.762878] __run_timers+0x7e5/0xc70 [ 342.766683] ? timer_fixup_init+0x70/0x70 [ 342.770830] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.775592] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.780097] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 342.784672] ? trace_hardirqs_on+0xbd/0x310 [ 342.788984] ? kasan_check_read+0x11/0x20 [ 342.793131] ? finish_task_switch+0x1f4/0x910 [ 342.797621] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.802720] ? compat_start_thread+0x80/0x80 [ 342.807149] ? pvclock_read_flags+0x160/0x160 [ 342.811637] ? __switch_to_asm+0x34/0x70 [ 342.815694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.821224] ? check_preemption_disabled+0x48/0x280 [ 342.826242] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 342.831773] ? rcu_pm_notify+0xc0/0xc0 [ 342.835653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.841187] ? check_preemption_disabled+0x48/0x280 [ 342.846201] run_timer_softirq+0x52/0xb0 [ 342.850252] ? rcu_read_lock_sched_held+0x14f/0x180 [ 342.855502] __do_softirq+0x308/0xb7e [ 342.859302] ? trace_hardirqs_on_caller+0xc0/0x310 [ 342.864227] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 342.869322] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 342.875094] ? schedule+0x108/0x460 [ 342.878723] ? trace_hardirqs_off+0xb8/0x310 [ 342.883135] ? smpboot_thread_fn+0x68b/0xa00 [ 342.887710] ? trace_hardirqs_on+0x310/0x310 [ 342.892118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.897657] ? check_preemption_disabled+0x48/0x280 [ 342.902669] ? takeover_tasklets+0xa90/0xa90 [ 342.907071] run_ksoftirqd+0x5e/0x100 [ 342.910865] smpboot_thread_fn+0x68b/0xa00 [ 342.915100] ? sort_range+0x30/0x30 [ 342.918722] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 342.923829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.929363] ? __kthread_parkme+0xfb/0x1a0 [ 342.933599] ? sort_range+0x30/0x30 [ 342.937236] kthread+0x35a/0x440 [ 342.940599] ? kthread_stop+0x900/0x900 [ 342.944568] ret_from_fork+0x3a/0x50 [ 342.948297] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 342.948302] warn_alloc_show_mem: 1 callbacks suppressed [ 342.948309] Mem-Info: [ 342.955577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.960953] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 342.960953] active_file:10 inactive_file:14 isolated_file:0 [ 342.960953] unevictable:0 dirty:0 writeback:0 unstable:0 [ 342.960953] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 342.960953] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 342.960953] free:13688 free_pcp:208 free_cma:0 [ 342.963323] Call Trace: [ 342.973056] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 343.006081] dump_stack+0x244/0x39d [ 343.008635] 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 [ 343.036795] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.040388] lowmem_reserve[]: 0 2818 6321 6321 [ 343.067055] warn_alloc.cold.116+0xb7/0x1bd [ 343.072570] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 343.077292] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.082014] lowmem_reserve[]: 0 0 3503 3503 [ 343.109339] ? lock_downgrade+0x900/0x900 [ 343.114158] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 343.118481] ? trace_hardirqs_off+0xb8/0x310 [ 343.122585] lowmem_reserve[]: 0 0 0 0 [ 343.151557] ? trace_hardirqs_off+0xb8/0x310 [ 343.155934] 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 [ 343.159738] __alloc_pages_slowpath+0x26e8/0x2e10 [ 343.164106] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 343.178443] ? warn_alloc+0x120/0x120 [ 343.183237] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 343.198925] ? zap_class+0x640/0x640 [ 343.202740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 343.217640] ? warn_alloc+0x120/0x120 [ 343.221331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 343.230154] ? warn_alloc+0x120/0x120 [ 343.233926] 1671 total pagecache pages [ 343.242499] ? __lock_acquire+0x62f/0x4c20 [ 343.246288] 0 pages in swap cache [ 343.250158] ? print_usage_bug+0xc0/0xc0 [ 343.254365] Swap cache stats: add 0, delete 0, find 0/0 [ 343.257819] ? print_usage_bug+0xc0/0xc0 [ 343.261856] Free swap = 0kB [ 343.267217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.271361] Total swap = 0kB [ 343.274925] ? should_fail+0x22d/0xd01 [ 343.280447] 1965979 pages RAM [ 343.283460] ? find_held_lock+0x36/0x1c0 [ 343.287312] 0 pages HighMem/MovableOnly [ 343.287320] 342853 pages reserved [ 343.290415] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.294445] 0 pages cma reserved [ 343.298413] ? __lock_acquire+0x62f/0x4c20 [ 343.301899] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 343.306931] ? should_fail+0x22d/0xd01 [ 343.306945] ? check_preemption_disabled+0x48/0x280 [ 343.306968] ? mark_held_locks+0x130/0x130 [ 343.310356] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.314532] ? mark_held_locks+0x130/0x130 [ 343.320996] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 343.324871] ? __lock_is_held+0xb5/0x140 [ 343.357327] ? zap_class+0x640/0x640 [ 343.361040] ? update_curr+0x344/0xbd0 [ 343.364925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.370465] ? check_preemption_disabled+0x48/0x280 [ 343.375967] ? __lock_is_held+0xb5/0x140 [ 343.380042] __alloc_pages_nodemask+0xa80/0xde0 [ 343.384730] ? zap_class+0x640/0x640 [ 343.388445] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 343.393480] ? find_held_lock+0x36/0x1c0 [ 343.397547] ? ____cache_alloc_node+0x1c7/0x1e0 [ 343.402214] ? lock_downgrade+0x900/0x900 [ 343.406367] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 343.411923] cache_grow_begin+0xa5/0x8c0 [ 343.415997] ? do_raw_spin_unlock+0xa7/0x330 [ 343.420407] fallback_alloc+0x204/0x2e0 [ 343.424382] ____cache_alloc_node+0x1c7/0x1e0 [ 343.428892] kmem_cache_alloc+0x1f8/0x730 [ 343.433050] skb_clone+0x1bb/0x500 [ 343.436587] ? skb_split+0x11e0/0x11e0 [ 343.440476] ? kasan_check_read+0x11/0x20 [ 343.444621] ? __schedule+0x168a/0x21d0 [ 343.448591] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.453695] ? lock_pin_lock+0x350/0x350 [ 343.457758] bpf_clone_redirect+0xb9/0x490 [ 343.461990] ? __schedule+0x168a/0x21d0 [ 343.465961] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 343.470979] ? __sched_text_start+0x8/0x8 [ 343.475891] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 343.480652] ? find_held_lock+0x36/0x1c0 [ 343.484723] ? lock_acquire+0x1ed/0x520 [ 343.488699] ? bpf_test_run+0x3cb/0x780 [ 343.492672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.498219] ? check_preemption_disabled+0x48/0x280 [ 343.503251] ? kasan_check_read+0x11/0x20 [ 343.507394] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.512669] ? rcu_softirq_qs+0x20/0x20 [ 343.516647] ? preempt_schedule+0x4d/0x60 [ 343.520799] ? ___preempt_schedule+0x16/0x18 [ 343.525210] ? bpf_test_run+0x25d/0x780 [ 343.529191] ? netlink_diag_dump+0x2a0/0x2a0 [ 343.533599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.539131] ? bpf_test_init.isra.10+0x70/0x100 [ 343.543796] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 343.548572] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 343.553407] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 343.558940] ? fput+0x130/0x1a0 [ 343.562223] ? __bpf_prog_get+0x9b/0x290 [ 343.566283] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 343.571122] ? bpf_prog_test_run+0x130/0x1a0 [ 343.576025] ? __x64_sys_bpf+0x3d8/0x520 [ 343.580086] ? bpf_prog_get+0x20/0x20 [ 343.583901] ? do_syscall_64+0x1b9/0x820 [ 343.587958] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 343.593322] ? syscall_return_slowpath+0x5e0/0x5e0 [ 343.598248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.603097] ? trace_hardirqs_on_caller+0x310/0x310 [ 343.608112] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 343.613127] ? prepare_exit_to_usermode+0x291/0x3b0 [ 343.618146] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.622993] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.628375] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 343.628488] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.635133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.645602] syz-executor4 cpuset=syz4 mems_allowed=0 [ 343.654943] Call Trace: [ 343.662601] dump_stack+0x244/0x39d [ 343.666226] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.671415] warn_alloc.cold.116+0xb7/0x1bd [ 343.676033] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.680885] ? lock_downgrade+0x900/0x900 [ 343.685033] ? trace_hardirqs_off+0xb8/0x310 [ 343.689441] ? trace_hardirqs_off+0xb8/0x310 [ 343.693850] __alloc_pages_slowpath+0x26e8/0x2e10 [ 343.698717] ? warn_alloc+0x120/0x120 [ 343.702512] ? print_usage_bug+0xc0/0xc0 [ 343.706569] ? warn_alloc+0x120/0x120 [ 343.710369] ? warn_alloc+0x120/0x120 [ 343.714183] ? print_usage_bug+0xc0/0xc0 [ 343.718244] ? print_usage_bug+0xc0/0xc0 [ 343.722299] ? __lock_acquire+0x62f/0x4c20 [ 343.726532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.732066] ? should_fail+0x22d/0xd01 [ 343.735951] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.741062] ? __lock_acquire+0x62f/0x4c20 [ 343.745300] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.750396] ? __lock_acquire+0x62f/0x4c20 [ 343.754624] ? should_fail+0x22d/0xd01 [ 343.758507] ? find_held_lock+0x36/0x1c0 [ 343.762588] ? mark_held_locks+0x130/0x130 [ 343.766840] ? mark_held_locks+0x130/0x130 [ 343.771078] ? zap_class+0x640/0x640 [ 343.775095] ? zap_class+0x640/0x640 [ 343.778809] ? print_usage_bug+0xc0/0xc0 [ 343.782863] ? do_raw_spin_unlock+0xa7/0x330 [ 343.787267] ? zap_class+0x640/0x640 [ 343.790976] ? print_usage_bug+0xc0/0xc0 [ 343.795028] ? wq_watchdog_touch+0x9c/0xfe [ 343.799265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.804799] ? check_preemption_disabled+0x48/0x280 [ 343.809817] ? __lock_is_held+0xb5/0x140 [ 343.813881] __alloc_pages_nodemask+0xa80/0xde0 [ 343.818559] ? zap_class+0x640/0x640 [ 343.822273] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 343.827385] ? find_held_lock+0x36/0x1c0 [ 343.831448] ? ____cache_alloc_node+0x1c7/0x1e0 [ 343.836111] ? lock_downgrade+0x900/0x900 [ 343.840257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.845799] cache_grow_begin+0xa5/0x8c0 [ 343.849859] ? do_raw_spin_unlock+0xa7/0x330 [ 343.854267] fallback_alloc+0x204/0x2e0 [ 343.858242] ____cache_alloc_node+0x1c7/0x1e0 [ 343.862742] kmem_cache_alloc_node+0xe3/0x730 [ 343.867233] ? ipv6_get_ifaddr+0x42e/0x620 [ 343.871486] __alloc_skb+0x119/0x770 [ 343.875504] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.881008] ? netdev_alloc_frag+0x1f0/0x1f0 [ 343.885412] ? lock_downgrade+0x900/0x900 [ 343.889562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.895108] ? refcount_sub_and_test_checked+0x203/0x310 [ 343.900557] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 343.906001] ? addrconf_rs_timer+0x690/0x690 [ 343.910423] ndisc_alloc_skb+0x144/0x340 [ 343.914484] ndisc_send_rs+0x331/0x6e0 [ 343.918370] addrconf_rs_timer+0x314/0x690 [ 343.922604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.926846] call_timer_fn+0x272/0x920 [ 343.930727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.934957] ? process_timeout+0x40/0x40 [ 343.939020] ? __run_timers+0x7da/0xc70 [ 343.942987] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.947475] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.951962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.956188] ? lockdep_hardirqs_on+0x296/0x5b0 [ 343.960770] ? trace_hardirqs_on+0xbd/0x310 [ 343.965090] ? kasan_check_read+0x11/0x20 [ 343.969231] ? __run_timers+0x7da/0xc70 [ 343.973505] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.978608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.982848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.987073] __run_timers+0x7e5/0xc70 [ 343.990875] ? timer_fixup_init+0x70/0x70 [ 343.995023] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.999510] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.004004] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 344.008582] ? trace_hardirqs_on+0xbd/0x310 [ 344.012903] ? kasan_check_read+0x11/0x20 [ 344.017063] ? finish_task_switch+0x1f4/0x910 [ 344.021558] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.026665] ? compat_start_thread+0x80/0x80 [ 344.031086] ? pvclock_read_flags+0x160/0x160 [ 344.035589] ? __switch_to_asm+0x34/0x70 [ 344.039653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.045188] ? check_preemption_disabled+0x48/0x280 [ 344.050208] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 344.055745] ? rcu_pm_notify+0xc0/0xc0 [ 344.059652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.065186] ? check_preemption_disabled+0x48/0x280 [ 344.070199] run_timer_softirq+0x52/0xb0 [ 344.074570] ? rcu_read_lock_sched_held+0x14f/0x180 [ 344.079588] __do_softirq+0x308/0xb7e [ 344.083393] ? trace_hardirqs_on_caller+0xc0/0x310 [ 344.088323] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 344.093422] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.098872] ? schedule+0x108/0x460 [ 344.102507] ? trace_hardirqs_off+0xb8/0x310 [ 344.106914] ? smpboot_thread_fn+0x68b/0xa00 [ 344.111318] ? trace_hardirqs_on+0x310/0x310 [ 344.115795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.121430] ? check_preemption_disabled+0x48/0x280 [ 344.126440] ? takeover_tasklets+0xa90/0xa90 [ 344.130846] run_ksoftirqd+0x5e/0x100 [ 344.134649] smpboot_thread_fn+0x68b/0xa00 [ 344.138905] ? sort_range+0x30/0x30 [ 344.142528] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 344.147632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.153208] ? __kthread_parkme+0xfb/0x1a0 [ 344.157444] ? sort_range+0x30/0x30 [ 344.161064] kthread+0x35a/0x440 [ 344.164428] ? kthread_stop+0x900/0x900 [ 344.168397] ret_from_fork+0x3a/0x50 [ 344.172427] warn_alloc_show_mem: 1 callbacks suppressed [ 344.172430] Mem-Info: [ 344.172646] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 344.177799] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 344.177799] active_file:10 inactive_file:14 isolated_file:0 [ 344.177799] unevictable:0 dirty:0 writeback:0 unstable:0 [ 344.177799] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 344.177799] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 344.177799] free:13688 free_pcp:208 free_cma:0 [ 344.180182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.187474] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 344.220485] Call Trace: [ 344.229824] 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 [ 344.257490] dump_stack+0x244/0x39d [ 344.260058] lowmem_reserve[]: 0 2818 6321 6321 [ 344.286915] ? dump_stack_print_info.cold.1+0x20/0x20 [ 344.290515] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 344.295094] warn_alloc.cold.116+0xb7/0x1bd [ 344.300241] lowmem_reserve[]: 0 0 3503 3503 [ 344.327651] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 344.331944] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 344.336257] ? lock_downgrade+0x900/0x900 [ 344.341069] lowmem_reserve[]: 0 0 0 0 [ 344.370121] ? trace_hardirqs_off+0xb8/0x310 [ 344.374541] 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 [ 344.378427] ? trace_hardirqs_off+0xb8/0x310 [ 344.382818] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 344.396351] __alloc_pages_slowpath+0x26e8/0x2e10 [ 344.400726] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 344.416440] ? warn_alloc+0x120/0x120 [ 344.421241] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 344.436135] ? zap_class+0x640/0x640 [ 344.439915] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 344.448735] ? warn_alloc+0x120/0x120 [ 344.452420] 1671 total pagecache pages [ 344.460986] ? warn_alloc+0x120/0x120 [ 344.464762] 0 pages in swap cache [ 344.468633] ? __lock_acquire+0x62f/0x4c20 [ 344.472762] Swap cache stats: add 0, delete 0, find 0/0 [ 344.476201] ? print_usage_bug+0xc0/0xc0 [ 344.480406] Free swap = 0kB [ 344.485755] ? print_usage_bug+0xc0/0xc0 [ 344.489787] Total swap = 0kB [ 344.489795] 1965979 pages RAM [ 344.492813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.496861] 0 pages HighMem/MovableOnly [ 344.499874] ? should_fail+0x22d/0xd01 [ 344.502947] 342853 pages reserved [ 344.502955] 0 pages cma reserved [ 344.508480] ? find_held_lock+0x36/0x1c0 [ 344.512485] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 344.516303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.516318] ? __lock_acquire+0x62f/0x4c20 [ 344.516337] ? should_fail+0x22d/0xd01 [ 344.519810] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 344.523117] ? check_preemption_disabled+0x48/0x280 [ 344.527148] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 344.533634] ? mark_held_locks+0x130/0x130 [ 344.570984] ? mark_held_locks+0x130/0x130 [ 344.575702] ? __lock_is_held+0xb5/0x140 [ 344.579857] ? zap_class+0x640/0x640 [ 344.583570] ? update_curr+0x344/0xbd0 [ 344.587467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.593007] ? check_preemption_disabled+0x48/0x280 [ 344.598024] ? __lock_is_held+0xb5/0x140 [ 344.602081] __alloc_pages_nodemask+0xa80/0xde0 [ 344.606740] ? zap_class+0x640/0x640 [ 344.610806] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 344.615826] ? find_held_lock+0x36/0x1c0 [ 344.619907] ? ____cache_alloc_node+0x1c7/0x1e0 [ 344.624574] ? lock_downgrade+0x900/0x900 [ 344.628737] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 344.634304] cache_grow_begin+0xa5/0x8c0 [ 344.638363] ? do_raw_spin_unlock+0xa7/0x330 [ 344.642775] fallback_alloc+0x204/0x2e0 [ 344.646750] ____cache_alloc_node+0x1c7/0x1e0 [ 344.651248] kmem_cache_alloc+0x1f8/0x730 [ 344.655411] skb_clone+0x1bb/0x500 [ 344.658952] ? skb_split+0x11e0/0x11e0 [ 344.662838] ? kasan_check_read+0x11/0x20 [ 344.666996] ? __schedule+0x168a/0x21d0 [ 344.670977] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.676620] ? lock_pin_lock+0x350/0x350 [ 344.680685] bpf_clone_redirect+0xb9/0x490 [ 344.684922] ? __schedule+0x168a/0x21d0 [ 344.688916] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 344.693929] ? __sched_text_start+0x8/0x8 [ 344.698072] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 344.702836] ? find_held_lock+0x36/0x1c0 [ 344.706914] ? lock_acquire+0x1ed/0x520 [ 344.710887] ? bpf_test_run+0x3cb/0x780 [ 344.714861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.720408] ? check_preemption_disabled+0x48/0x280 [ 344.725425] ? kasan_check_read+0x11/0x20 [ 344.729569] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.734848] ? rcu_softirq_qs+0x20/0x20 [ 344.738820] ? preempt_schedule+0x4d/0x60 [ 344.742963] ? ___preempt_schedule+0x16/0x18 [ 344.747377] ? bpf_test_run+0x25d/0x780 [ 344.751362] ? netlink_diag_dump+0x2a0/0x2a0 [ 344.755778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.761311] ? bpf_test_init.isra.10+0x70/0x100 [ 344.765984] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 344.770746] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 344.776263] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 344.781796] ? fput+0x130/0x1a0 [ 344.785075] ? __bpf_prog_get+0x9b/0x290 [ 344.789133] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 344.793971] ? bpf_prog_test_run+0x130/0x1a0 [ 344.798380] ? __x64_sys_bpf+0x3d8/0x520 [ 344.802437] ? bpf_prog_get+0x20/0x20 [ 344.806254] ? do_syscall_64+0x1b9/0x820 [ 344.810312] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 344.815676] ? syscall_return_slowpath+0x5e0/0x5e0 [ 344.820601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.825445] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.830460] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 344.835475] ? prepare_exit_to_usermode+0x291/0x3b0 [ 344.840493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.845354] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.850960] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 344.851068] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 344.857712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.868172] syz-executor4 cpuset=syz4 mems_allowed=0 [ 344.877857] Call Trace: [ 344.885524] dump_stack+0x244/0x39d [ 344.889151] ? dump_stack_print_info.cold.1+0x20/0x20 [ 344.894346] warn_alloc.cold.116+0xb7/0x1bd [ 344.898688] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 344.903539] ? lock_downgrade+0x900/0x900 [ 344.907709] ? trace_hardirqs_off+0xb8/0x310 [ 344.912118] ? trace_hardirqs_off+0xb8/0x310 [ 344.916529] __alloc_pages_slowpath+0x26e8/0x2e10 [ 344.921516] ? warn_alloc+0x120/0x120 [ 344.925313] ? print_usage_bug+0xc0/0xc0 [ 344.929375] ? warn_alloc+0x120/0x120 [ 344.933178] ? warn_alloc+0x120/0x120 [ 344.936974] ? print_usage_bug+0xc0/0xc0 [ 344.941038] ? print_usage_bug+0xc0/0xc0 [ 344.945094] ? __lock_acquire+0x62f/0x4c20 [ 344.949329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.954861] ? should_fail+0x22d/0xd01 [ 344.958747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.963845] ? __lock_acquire+0x62f/0x4c20 [ 344.968081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.973510] ? __lock_acquire+0x62f/0x4c20 [ 344.977746] ? should_fail+0x22d/0xd01 [ 344.981632] ? find_held_lock+0x36/0x1c0 [ 344.985700] ? mark_held_locks+0x130/0x130 [ 344.989933] ? mark_held_locks+0x130/0x130 [ 344.994158] ? zap_class+0x640/0x640 [ 344.997863] ? zap_class+0x640/0x640 [ 345.001578] ? print_usage_bug+0xc0/0xc0 [ 345.005652] ? do_raw_spin_unlock+0xa7/0x330 [ 345.010058] ? zap_class+0x640/0x640 [ 345.013773] ? print_usage_bug+0xc0/0xc0 [ 345.018047] ? wq_watchdog_touch+0x9c/0xfe [ 345.022280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.027817] ? check_preemption_disabled+0x48/0x280 [ 345.032841] ? __lock_is_held+0xb5/0x140 [ 345.036903] __alloc_pages_nodemask+0xa80/0xde0 [ 345.041567] ? zap_class+0x640/0x640 [ 345.045291] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 345.050309] ? find_held_lock+0x36/0x1c0 [ 345.054386] ? ____cache_alloc_node+0x1c7/0x1e0 [ 345.059049] ? lock_downgrade+0x900/0x900 [ 345.063195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.068733] cache_grow_begin+0xa5/0x8c0 [ 345.073165] ? do_raw_spin_unlock+0xa7/0x330 [ 345.077577] fallback_alloc+0x204/0x2e0 [ 345.081560] ____cache_alloc_node+0x1c7/0x1e0 [ 345.086054] kmem_cache_alloc_node+0xe3/0x730 [ 345.090551] ? ipv6_get_ifaddr+0x42e/0x620 [ 345.094808] __alloc_skb+0x119/0x770 [ 345.098514] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.103804] ? netdev_alloc_frag+0x1f0/0x1f0 [ 345.108209] ? lock_downgrade+0x900/0x900 [ 345.112376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.117918] ? refcount_sub_and_test_checked+0x203/0x310 [ 345.123368] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 345.128820] ? addrconf_rs_timer+0x690/0x690 [ 345.133235] ndisc_alloc_skb+0x144/0x340 [ 345.137297] ndisc_send_rs+0x331/0x6e0 [ 345.141187] addrconf_rs_timer+0x314/0x690 [ 345.145532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.149789] call_timer_fn+0x272/0x920 [ 345.153674] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.157909] ? process_timeout+0x40/0x40 [ 345.161984] ? __run_timers+0x7da/0xc70 [ 345.165954] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.170463] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.175319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.179555] ? lockdep_hardirqs_on+0x296/0x5b0 [ 345.184132] ? trace_hardirqs_on+0xbd/0x310 [ 345.188707] ? kasan_check_read+0x11/0x20 [ 345.192851] ? __run_timers+0x7da/0xc70 [ 345.196821] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.201936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.206166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 345.210394] __run_timers+0x7e5/0xc70 [ 345.214199] ? timer_fixup_init+0x70/0x70 [ 345.218339] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.222829] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.227319] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 345.231900] ? trace_hardirqs_on+0xbd/0x310 [ 345.236244] ? kasan_check_read+0x11/0x20 [ 345.240389] ? finish_task_switch+0x1f4/0x910 [ 345.244880] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.249977] ? compat_start_thread+0x80/0x80 [ 345.254395] ? pvclock_read_flags+0x160/0x160 [ 345.258894] ? __switch_to_asm+0x34/0x70 [ 345.262952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.268485] ? check_preemption_disabled+0x48/0x280 [ 345.273823] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 345.279378] ? rcu_pm_notify+0xc0/0xc0 [ 345.283263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.288802] ? check_preemption_disabled+0x48/0x280 [ 345.293816] run_timer_softirq+0x52/0xb0 [ 345.297873] ? rcu_read_lock_sched_held+0x14f/0x180 [ 345.302886] __do_softirq+0x308/0xb7e [ 345.306686] ? trace_hardirqs_on_caller+0xc0/0x310 [ 345.311612] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 345.316710] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.322167] ? schedule+0x108/0x460 [ 345.325803] ? trace_hardirqs_off+0xb8/0x310 [ 345.330208] ? smpboot_thread_fn+0x68b/0xa00 [ 345.334617] ? trace_hardirqs_on+0x310/0x310 [ 345.339022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.344555] ? check_preemption_disabled+0x48/0x280 [ 345.349569] ? takeover_tasklets+0xa90/0xa90 [ 345.353973] run_ksoftirqd+0x5e/0x100 [ 345.357773] smpboot_thread_fn+0x68b/0xa00 [ 345.362010] ? sort_range+0x30/0x30 [ 345.365633] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 345.370732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.376604] ? __kthread_parkme+0xfb/0x1a0 [ 345.380836] ? sort_range+0x30/0x30 [ 345.384458] kthread+0x35a/0x440 [ 345.387824] ? kthread_stop+0x900/0x900 [ 345.391797] ret_from_fork+0x3a/0x50 [ 345.395530] warn_alloc_show_mem: 1 callbacks suppressed [ 345.395540] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 345.395542] Mem-Info: [ 345.395574] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 345.395574] active_file:10 inactive_file:14 isolated_file:0 [ 345.395574] unevictable:0 dirty:0 writeback:0 unstable:0 [ 345.395574] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 345.395574] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 345.395574] free:13688 free_pcp:208 free_cma:0 [ 345.400924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.408196] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 345.410588] Call Trace: [ 345.443621] 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 [ 345.452969] dump_stack+0x244/0x39d [ 345.481048] lowmem_reserve[]: 0 2818 6321 6321 [ 345.483631] ? dump_stack_print_info.cold.1+0x20/0x20 [ 345.509734] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 345.513374] warn_alloc.cold.116+0xb7/0x1bd [ 345.517919] lowmem_reserve[]: 0 0 3503 3503 [ 345.523097] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 345.550392] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 345.554724] ? lock_downgrade+0x900/0x900 [ 345.559012] lowmem_reserve[]: 0 0 0 0 [ 345.563856] ? trace_hardirqs_off+0xb8/0x310 [ 345.593157] 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 [ 345.597299] ? trace_hardirqs_off+0xb8/0x310 [ 345.601058] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 345.605468] __alloc_pages_slowpath+0x26e8/0x2e10 [ 345.619041] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 345.623473] ? warn_alloc+0x120/0x120 [ 345.639124] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 345.643953] ? zap_class+0x640/0x640 [ 345.658844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 345.662627] ? warn_alloc+0x120/0x120 [ 345.671605] 1671 total pagecache pages [ 345.675795] ? warn_alloc+0x120/0x120 [ 345.684357] 0 pages in swap cache [ 345.688161] ? __lock_acquire+0x62f/0x4c20 [ 345.692038] Swap cache stats: add 0, delete 0, find 0/0 [ 345.695908] ? print_usage_bug+0xc0/0xc0 [ 345.699344] Free swap = 0kB [ 345.703569] ? print_usage_bug+0xc0/0xc0 [ 345.708904] Total swap = 0kB [ 345.712958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.715945] 1965979 pages RAM [ 345.719991] ? should_fail+0x22d/0xd01 [ 345.723148] 0 pages HighMem/MovableOnly [ 345.723156] 342853 pages reserved [ 345.728679] ? find_held_lock+0x36/0x1c0 [ 345.731757] 0 pages cma reserved [ 345.735633] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.739644] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 345.743026] ? __lock_acquire+0x62f/0x4c20 [ 345.747171] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 345.750455] ? should_fail+0x22d/0xd01 [ 345.755543] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 345.762112] ? check_preemption_disabled+0x48/0x280 [ 345.762137] ? mark_held_locks+0x130/0x130 [ 345.795041] ? mark_held_locks+0x130/0x130 [ 345.799273] ? __lock_is_held+0xb5/0x140 [ 345.803341] ? zap_class+0x640/0x640 [ 345.807049] ? update_curr+0x344/0xbd0 [ 345.810951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.816492] ? check_preemption_disabled+0x48/0x280 [ 345.821516] ? __lock_is_held+0xb5/0x140 [ 345.825632] __alloc_pages_nodemask+0xa80/0xde0 [ 345.830301] ? zap_class+0x640/0x640 [ 345.834033] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 345.839055] ? find_held_lock+0x36/0x1c0 [ 345.843124] ? ____cache_alloc_node+0x1c7/0x1e0 [ 345.847792] ? lock_downgrade+0x900/0x900 [ 345.851942] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 345.857488] cache_grow_begin+0xa5/0x8c0 [ 345.861545] ? do_raw_spin_unlock+0xa7/0x330 [ 345.865953] fallback_alloc+0x204/0x2e0 [ 345.869925] ____cache_alloc_node+0x1c7/0x1e0 [ 345.875162] kmem_cache_alloc+0x1f8/0x730 [ 345.879335] skb_clone+0x1bb/0x500 [ 345.883311] ? skb_split+0x11e0/0x11e0 [ 345.887200] ? kasan_check_read+0x11/0x20 [ 345.891349] ? __schedule+0x168a/0x21d0 [ 345.895322] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.900421] ? lock_pin_lock+0x350/0x350 [ 345.904500] bpf_clone_redirect+0xb9/0x490 [ 345.908734] ? __schedule+0x168a/0x21d0 [ 345.912720] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 345.917737] ? __sched_text_start+0x8/0x8 [ 345.921883] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 345.926658] ? find_held_lock+0x36/0x1c0 [ 345.930722] ? lock_acquire+0x1ed/0x520 [ 345.934695] ? bpf_test_run+0x3cb/0x780 [ 345.938666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.944200] ? check_preemption_disabled+0x48/0x280 [ 345.949226] ? kasan_check_read+0x11/0x20 [ 345.953373] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.958750] ? rcu_softirq_qs+0x20/0x20 [ 345.962725] ? preempt_schedule+0x4d/0x60 [ 345.966869] ? ___preempt_schedule+0x16/0x18 [ 345.971291] ? bpf_test_run+0x25d/0x780 [ 345.976089] ? netlink_diag_dump+0x2a0/0x2a0 [ 345.980502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.986038] ? bpf_test_init.isra.10+0x70/0x100 [ 345.990708] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 345.995478] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 346.000318] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 346.005852] ? fput+0x130/0x1a0 [ 346.009139] ? __bpf_prog_get+0x9b/0x290 [ 346.013210] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 346.018051] ? bpf_prog_test_run+0x130/0x1a0 [ 346.022467] ? __x64_sys_bpf+0x3d8/0x520 [ 346.026526] ? bpf_prog_get+0x20/0x20 [ 346.030341] ? do_syscall_64+0x1b9/0x820 [ 346.034398] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 346.039759] ? syscall_return_slowpath+0x5e0/0x5e0 [ 346.044696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.049539] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.054655] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 346.059689] ? prepare_exit_to_usermode+0x291/0x3b0 [ 346.064721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.069585] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 346.075485] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 346.075592] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 346.082236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.092708] syz-executor4 cpuset=syz4 mems_allowed=0 [ 346.102056] Call Trace: [ 346.109725] dump_stack+0x244/0x39d [ 346.113354] ? dump_stack_print_info.cold.1+0x20/0x20 [ 346.118551] warn_alloc.cold.116+0xb7/0x1bd [ 346.122869] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 346.127713] ? lock_downgrade+0x900/0x900 [ 346.131864] ? trace_hardirqs_off+0xb8/0x310 [ 346.136274] ? trace_hardirqs_off+0xb8/0x310 [ 346.140683] __alloc_pages_slowpath+0x26e8/0x2e10 [ 346.145545] ? warn_alloc+0x120/0x120 [ 346.149364] ? print_usage_bug+0xc0/0xc0 [ 346.153423] ? warn_alloc+0x120/0x120 [ 346.157251] ? warn_alloc+0x120/0x120 [ 346.161048] ? print_usage_bug+0xc0/0xc0 [ 346.165109] ? print_usage_bug+0xc0/0xc0 [ 346.169169] ? __lock_acquire+0x62f/0x4c20 [ 346.173919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.179457] ? should_fail+0x22d/0xd01 [ 346.183344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.188450] ? __lock_acquire+0x62f/0x4c20 [ 346.192684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.197785] ? __lock_acquire+0x62f/0x4c20 [ 346.202012] ? should_fail+0x22d/0xd01 [ 346.205892] ? find_held_lock+0x36/0x1c0 [ 346.209959] ? mark_held_locks+0x130/0x130 [ 346.214194] ? mark_held_locks+0x130/0x130 [ 346.218422] ? zap_class+0x640/0x640 [ 346.222144] ? mark_held_locks+0xc7/0x130 [ 346.226289] ? do_raw_spin_unlock+0xa7/0x330 [ 346.230713] ? zap_class+0x640/0x640 [ 346.234424] ? print_usage_bug+0xc0/0xc0 [ 346.238486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.244019] ? check_preemption_disabled+0x48/0x280 [ 346.249039] ? __lock_is_held+0xb5/0x140 [ 346.253100] __alloc_pages_nodemask+0xa80/0xde0 [ 346.257765] ? zap_class+0x640/0x640 [ 346.261476] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 346.266500] ? find_held_lock+0x36/0x1c0 [ 346.270573] ? ____cache_alloc_node+0x1c7/0x1e0 [ 346.275538] ? lock_downgrade+0x900/0x900 [ 346.279685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.285227] cache_grow_begin+0xa5/0x8c0 [ 346.289386] ? do_raw_spin_unlock+0xa7/0x330 [ 346.293807] fallback_alloc+0x204/0x2e0 [ 346.297779] ____cache_alloc_node+0x1c7/0x1e0 [ 346.302271] kmem_cache_alloc_node+0xe3/0x730 [ 346.306757] ? ipv6_get_ifaddr+0x42e/0x620 [ 346.310993] __alloc_skb+0x119/0x770 [ 346.314706] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.319980] ? netdev_alloc_frag+0x1f0/0x1f0 [ 346.324386] ? lock_downgrade+0x900/0x900 [ 346.328549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.334093] ? refcount_sub_and_test_checked+0x203/0x310 [ 346.339540] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 346.345065] ? addrconf_rs_timer+0x690/0x690 [ 346.349476] ndisc_alloc_skb+0x144/0x340 [ 346.353533] ndisc_send_rs+0x331/0x6e0 [ 346.357418] addrconf_rs_timer+0x314/0x690 [ 346.361661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.365905] call_timer_fn+0x272/0x920 [ 346.369791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.374333] ? process_timeout+0x40/0x40 [ 346.378483] ? __run_timers+0x7da/0xc70 [ 346.382456] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.386947] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.391441] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.395671] ? lockdep_hardirqs_on+0x296/0x5b0 [ 346.400256] ? trace_hardirqs_on+0xbd/0x310 [ 346.404571] ? kasan_check_read+0x11/0x20 [ 346.408713] ? __run_timers+0x7da/0xc70 [ 346.412705] ? trace_hardirqs_off_caller+0x310/0x310 [ 346.417809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.422046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.426277] __run_timers+0x7e5/0xc70 [ 346.430079] ? timer_fixup_init+0x70/0x70 [ 346.434221] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.438728] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.443218] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 346.447798] ? trace_hardirqs_on+0xbd/0x310 [ 346.452111] ? kasan_check_read+0x11/0x20 [ 346.456253] ? finish_task_switch+0x1f4/0x910 [ 346.460776] ? trace_hardirqs_off_caller+0x310/0x310 [ 346.465889] ? compat_start_thread+0x80/0x80 [ 346.470330] ? pvclock_read_flags+0x160/0x160 [ 346.475110] ? __switch_to_asm+0x34/0x70 [ 346.479173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.484708] ? check_preemption_disabled+0x48/0x280 [ 346.489728] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 346.495261] ? rcu_pm_notify+0xc0/0xc0 [ 346.499158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.504705] ? check_preemption_disabled+0x48/0x280 [ 346.509722] run_timer_softirq+0x52/0xb0 [ 346.513779] ? rcu_read_lock_sched_held+0x14f/0x180 [ 346.518791] __do_softirq+0x308/0xb7e [ 346.522590] ? trace_hardirqs_on_caller+0xc0/0x310 [ 346.527523] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 346.532619] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 346.538082] ? schedule+0x108/0x460 [ 346.541712] ? trace_hardirqs_off+0xb8/0x310 [ 346.546116] ? smpboot_thread_fn+0x68b/0xa00 [ 346.550524] ? trace_hardirqs_on+0x310/0x310 [ 346.554926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.560462] ? check_preemption_disabled+0x48/0x280 [ 346.565478] ? takeover_tasklets+0xa90/0xa90 [ 346.569886] run_ksoftirqd+0x5e/0x100 [ 346.573966] smpboot_thread_fn+0x68b/0xa00 [ 346.578198] ? sort_range+0x30/0x30 [ 346.581820] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 346.586919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.592453] ? __kthread_parkme+0xfb/0x1a0 [ 346.596690] ? sort_range+0x30/0x30 [ 346.600310] kthread+0x35a/0x440 [ 346.603676] ? kthread_stop+0x900/0x900 [ 346.607651] ret_from_fork+0x3a/0x50 [ 346.611379] warn_alloc_show_mem: 1 callbacks suppressed [ 346.611389] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 346.611391] Mem-Info: [ 346.611430] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 346.611430] active_file:10 inactive_file:14 isolated_file:0 [ 346.611430] unevictable:0 dirty:0 writeback:0 unstable:0 [ 346.611430] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 346.611430] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 346.611430] free:13688 free_pcp:208 free_cma:0 [ 346.616764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.624039] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 346.626434] Call Trace: [ 346.659463] 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 [ 346.668820] dump_stack+0x244/0x39d [ 346.696864] lowmem_reserve[]: 0 2818 6321 6321 [ 346.699473] ? dump_stack_print_info.cold.1+0x20/0x20 [ 346.725550] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 346.729188] warn_alloc.cold.116+0xb7/0x1bd [ 346.733724] lowmem_reserve[]: 0 0 3503 3503 [ 346.738907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 346.766201] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 346.770515] ? lock_downgrade+0x900/0x900 [ 346.775133] lowmem_reserve[]: 0 0 0 0 [ 346.779977] ? trace_hardirqs_off+0xb8/0x310 [ 346.808917] 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 [ 346.813058] ? trace_hardirqs_off+0xb8/0x310 [ 346.816844] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 346.821251] __alloc_pages_slowpath+0x26e8/0x2e10 [ 346.834749] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 346.839178] ? warn_alloc+0x120/0x120 [ 346.855053] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 346.859883] ? zap_class+0x640/0x640 [ 346.875065] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 346.878854] ? warn_alloc+0x120/0x120 [ 346.887670] 1671 total pagecache pages [ 346.891373] ? warn_alloc+0x120/0x120 [ 346.900112] 0 pages in swap cache [ 346.903911] ? __lock_acquire+0x62f/0x4c20 [ 346.907771] Swap cache stats: add 0, delete 0, find 0/0 [ 346.911558] ? print_usage_bug+0xc0/0xc0 [ 346.914993] Free swap = 0kB [ 346.919216] ? print_usage_bug+0xc0/0xc0 [ 346.924560] Total swap = 0kB [ 346.928617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.931602] 1965979 pages RAM [ 346.935646] ? should_fail+0x22d/0xd01 [ 346.935662] ? find_held_lock+0x36/0x1c0 [ 346.938655] 0 pages HighMem/MovableOnly [ 346.938663] 342853 pages reserved [ 346.944190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.947265] 0 pages cma reserved [ 346.951145] ? __lock_acquire+0x62f/0x4c20 [ 346.955241] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 346.959153] ? should_fail+0x22d/0xd01 [ 346.959173] ? check_preemption_disabled+0x48/0x280 [ 346.962653] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 346.967697] ? mark_held_locks+0x130/0x130 [ 346.971034] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 346.975812] ? mark_held_locks+0x130/0x130 [ 347.014547] ? __lock_is_held+0xb5/0x140 [ 347.019086] ? zap_class+0x640/0x640 [ 347.022795] ? update_curr+0x344/0xbd0 [ 347.026682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.032218] ? check_preemption_disabled+0x48/0x280 [ 347.037241] ? __lock_is_held+0xb5/0x140 [ 347.041317] __alloc_pages_nodemask+0xa80/0xde0 [ 347.045984] ? zap_class+0x640/0x640 [ 347.049698] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 347.054719] ? find_held_lock+0x36/0x1c0 [ 347.059248] ? ____cache_alloc_node+0x1c7/0x1e0 [ 347.063931] ? lock_downgrade+0x900/0x900 [ 347.068098] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.074330] cache_grow_begin+0xa5/0x8c0 [ 347.078393] ? do_raw_spin_unlock+0xa7/0x330 [ 347.082801] fallback_alloc+0x204/0x2e0 [ 347.086773] ____cache_alloc_node+0x1c7/0x1e0 [ 347.091273] kmem_cache_alloc+0x1f8/0x730 [ 347.095430] skb_clone+0x1bb/0x500 [ 347.098968] ? skb_split+0x11e0/0x11e0 [ 347.102850] ? kasan_check_read+0x11/0x20 [ 347.106997] ? __schedule+0x168a/0x21d0 [ 347.110971] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.116072] ? lock_pin_lock+0x350/0x350 [ 347.120152] bpf_clone_redirect+0xb9/0x490 [ 347.124389] ? __schedule+0x168a/0x21d0 [ 347.128373] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 347.133398] ? __sched_text_start+0x8/0x8 [ 347.137550] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 347.142315] ? find_held_lock+0x36/0x1c0 [ 347.146386] ? lock_acquire+0x1ed/0x520 [ 347.150370] ? bpf_test_run+0x3cb/0x780 [ 347.154343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.159881] ? check_preemption_disabled+0x48/0x280 [ 347.164902] ? kasan_check_read+0x11/0x20 [ 347.169046] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.175017] ? rcu_softirq_qs+0x20/0x20 [ 347.178986] ? preempt_schedule+0x4d/0x60 [ 347.183135] ? ___preempt_schedule+0x16/0x18 [ 347.187546] ? bpf_test_run+0x25d/0x780 [ 347.191638] ? netlink_diag_dump+0x2a0/0x2a0 [ 347.196051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.201584] ? bpf_test_init.isra.10+0x70/0x100 [ 347.206254] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 347.211015] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 347.215854] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.221389] ? fput+0x130/0x1a0 [ 347.224669] ? __bpf_prog_get+0x9b/0x290 [ 347.228728] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 347.233567] ? bpf_prog_test_run+0x130/0x1a0 [ 347.237978] ? __x64_sys_bpf+0x3d8/0x520 [ 347.242038] ? bpf_prog_get+0x20/0x20 [ 347.245851] ? do_syscall_64+0x1b9/0x820 [ 347.249908] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 347.255268] ? syscall_return_slowpath+0x5e0/0x5e0 [ 347.260205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.265046] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.270058] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 347.275618] ? prepare_exit_to_usermode+0x291/0x3b0 [ 347.280638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.285485] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.290877] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 347.291006] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 347.297631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.308093] syz-executor4 cpuset=syz4 mems_allowed=0 [ 347.317442] Call Trace: [ 347.325104] dump_stack+0x244/0x39d [ 347.328735] ? dump_stack_print_info.cold.1+0x20/0x20 [ 347.333930] warn_alloc.cold.116+0xb7/0x1bd [ 347.338249] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 347.343093] ? lock_downgrade+0x900/0x900 [ 347.347257] ? trace_hardirqs_off+0xb8/0x310 [ 347.351700] ? trace_hardirqs_off+0xb8/0x310 [ 347.356111] __alloc_pages_slowpath+0x26e8/0x2e10 [ 347.360973] ? warn_alloc+0x120/0x120 [ 347.364768] ? print_usage_bug+0xc0/0xc0 [ 347.368822] ? warn_alloc+0x120/0x120 [ 347.372936] ? warn_alloc+0x120/0x120 [ 347.376732] ? print_usage_bug+0xc0/0xc0 [ 347.380791] ? print_usage_bug+0xc0/0xc0 [ 347.384860] ? __lock_acquire+0x62f/0x4c20 [ 347.389105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.394639] ? should_fail+0x22d/0xd01 [ 347.398526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.403620] ? __lock_acquire+0x62f/0x4c20 [ 347.407856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.412971] ? __lock_acquire+0x62f/0x4c20 [ 347.417211] ? should_fail+0x22d/0xd01 [ 347.421097] ? find_held_lock+0x36/0x1c0 [ 347.425162] ? mark_held_locks+0x130/0x130 [ 347.429398] ? mark_held_locks+0x130/0x130 [ 347.433624] ? zap_class+0x640/0x640 [ 347.437338] ? zap_class+0x640/0x640 [ 347.441081] ? print_usage_bug+0xc0/0xc0 [ 347.445136] ? do_raw_spin_unlock+0xa7/0x330 [ 347.449542] ? zap_class+0x640/0x640 [ 347.453277] ? print_usage_bug+0xc0/0xc0 [ 347.457419] ? wq_watchdog_touch+0x9c/0xfe [ 347.461651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.467194] ? check_preemption_disabled+0x48/0x280 [ 347.472594] ? __lock_is_held+0xb5/0x140 [ 347.476675] __alloc_pages_nodemask+0xa80/0xde0 [ 347.481345] ? zap_class+0x640/0x640 [ 347.485145] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 347.490169] ? find_held_lock+0x36/0x1c0 [ 347.494234] ? ____cache_alloc_node+0x1c7/0x1e0 [ 347.498896] ? lock_downgrade+0x900/0x900 [ 347.503043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.508590] cache_grow_begin+0xa5/0x8c0 [ 347.512647] ? do_raw_spin_unlock+0xa7/0x330 [ 347.517062] fallback_alloc+0x204/0x2e0 [ 347.521123] ____cache_alloc_node+0x1c7/0x1e0 [ 347.525622] kmem_cache_alloc_node+0xe3/0x730 [ 347.530128] ? ipv6_get_ifaddr+0x42e/0x620 [ 347.534368] __alloc_skb+0x119/0x770 [ 347.538094] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.543372] ? netdev_alloc_frag+0x1f0/0x1f0 [ 347.547772] ? lock_downgrade+0x900/0x900 [ 347.551938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.557468] ? refcount_sub_and_test_checked+0x203/0x310 [ 347.562918] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 347.568363] ? addrconf_rs_timer+0x690/0x690 [ 347.573100] ndisc_alloc_skb+0x144/0x340 [ 347.577163] ndisc_send_rs+0x331/0x6e0 [ 347.581050] addrconf_rs_timer+0x314/0x690 [ 347.585385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.589630] call_timer_fn+0x272/0x920 [ 347.593510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.597823] ? process_timeout+0x40/0x40 [ 347.601884] ? __run_timers+0x7da/0xc70 [ 347.605865] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.610355] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.614843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.619073] ? lockdep_hardirqs_on+0x296/0x5b0 [ 347.623652] ? trace_hardirqs_on+0xbd/0x310 [ 347.627969] ? kasan_check_read+0x11/0x20 [ 347.632111] ? __run_timers+0x7da/0xc70 [ 347.636097] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.641212] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.645445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.649673] __run_timers+0x7e5/0xc70 [ 347.653476] ? timer_fixup_init+0x70/0x70 [ 347.657620] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.662371] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.666861] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 347.671454] ? trace_hardirqs_on+0xbd/0x310 [ 347.676038] ? kasan_check_read+0x11/0x20 [ 347.680184] ? finish_task_switch+0x1f4/0x910 [ 347.684674] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.689776] ? compat_start_thread+0x80/0x80 [ 347.694230] ? pvclock_read_flags+0x160/0x160 [ 347.698719] ? __switch_to_asm+0x34/0x70 [ 347.702778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.708316] ? check_preemption_disabled+0x48/0x280 [ 347.713343] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 347.718973] ? rcu_pm_notify+0xc0/0xc0 [ 347.722856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.728392] ? check_preemption_disabled+0x48/0x280 [ 347.733410] run_timer_softirq+0x52/0xb0 [ 347.737468] ? rcu_read_lock_sched_held+0x14f/0x180 [ 347.742482] __do_softirq+0x308/0xb7e [ 347.746280] ? trace_hardirqs_on_caller+0xc0/0x310 [ 347.751213] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 347.756316] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.761770] ? schedule+0x108/0x460 [ 347.765403] ? trace_hardirqs_off+0xb8/0x310 [ 347.769803] ? smpboot_thread_fn+0x68b/0xa00 [ 347.774545] ? trace_hardirqs_on+0x310/0x310 [ 347.778956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.784489] ? check_preemption_disabled+0x48/0x280 [ 347.789513] ? takeover_tasklets+0xa90/0xa90 [ 347.794004] run_ksoftirqd+0x5e/0x100 [ 347.797813] smpboot_thread_fn+0x68b/0xa00 [ 347.802071] ? sort_range+0x30/0x30 [ 347.805692] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 347.810790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.816335] ? __kthread_parkme+0xfb/0x1a0 [ 347.820576] ? sort_range+0x30/0x30 [ 347.824201] kthread+0x35a/0x440 [ 347.827572] ? kthread_stop+0x900/0x900 [ 347.831544] ret_from_fork+0x3a/0x50 [ 347.835275] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 347.835280] warn_alloc_show_mem: 1 callbacks suppressed [ 347.835287] Mem-Info: [ 347.842555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.847925] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 347.847925] active_file:10 inactive_file:14 isolated_file:0 [ 347.847925] unevictable:0 dirty:0 writeback:0 unstable:0 [ 347.847925] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 347.847925] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 347.847925] free:13688 free_pcp:208 free_cma:0 [ 347.850302] Call Trace: [ 347.859675] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 347.893833] dump_stack+0x244/0x39d [ 347.896391] 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 [ 347.924068] ? dump_stack_print_info.cold.1+0x20/0x20 [ 347.927655] lowmem_reserve[]: 0 2818 6321 6321 [ 347.953781] warn_alloc.cold.116+0xb7/0x1bd [ 347.958946] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 347.963522] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 347.967810] lowmem_reserve[]: 0 0 3503 3503 [ 347.995957] ? lock_downgrade+0x900/0x900 [ 348.000770] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 348.005096] ? trace_hardirqs_off+0xb8/0x310 [ 348.009206] lowmem_reserve[]: 0 0 0 0 [ 348.038286] ? trace_hardirqs_off+0xb8/0x310 [ 348.042663] 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 [ 348.046462] __alloc_pages_slowpath+0x26e8/0x2e10 [ 348.050844] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 348.064379] ? warn_alloc+0x120/0x120 [ 348.069168] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 348.085630] ? zap_class+0x640/0x640 [ 348.089409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 348.104306] ? warn_alloc+0x120/0x120 [ 348.107999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 348.116903] ? warn_alloc+0x120/0x120 [ 348.120675] 1671 total pagecache pages [ 348.129235] ? __lock_acquire+0x62f/0x4c20 [ 348.133013] 0 pages in swap cache [ 348.136996] ? print_usage_bug+0xc0/0xc0 [ 348.141204] Swap cache stats: add 0, delete 0, find 0/0 [ 348.144642] ? print_usage_bug+0xc0/0xc0 [ 348.148672] Free swap = 0kB [ 348.148680] Total swap = 0kB [ 348.154041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.158062] 1965979 pages RAM [ 348.161070] ? should_fail+0x22d/0xd01 [ 348.164073] 0 pages HighMem/MovableOnly [ 348.169600] ? find_held_lock+0x36/0x1c0 [ 348.172952] 342853 pages reserved [ 348.172960] 0 pages cma reserved [ 348.176840] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.180849] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 348.184852] ? __lock_acquire+0x62f/0x4c20 [ 348.188356] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.191644] ? should_fail+0x22d/0xd01 [ 348.196719] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 348.203195] ? check_preemption_disabled+0x48/0x280 [ 348.203220] ? mark_held_locks+0x130/0x130 [ 348.235447] ? mark_held_locks+0x130/0x130 [ 348.239694] ? __lock_is_held+0xb5/0x140 [ 348.243760] ? zap_class+0x640/0x640 [ 348.247468] ? update_curr+0x344/0xbd0 [ 348.251360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.256896] ? check_preemption_disabled+0x48/0x280 [ 348.261917] ? __lock_is_held+0xb5/0x140 [ 348.265979] __alloc_pages_nodemask+0xa80/0xde0 [ 348.270647] ? zap_class+0x640/0x640 [ 348.274928] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 348.279951] ? find_held_lock+0x36/0x1c0 [ 348.284025] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.288693] ? lock_downgrade+0x900/0x900 [ 348.292847] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 348.298399] cache_grow_begin+0xa5/0x8c0 [ 348.302453] ? do_raw_spin_unlock+0xa7/0x330 [ 348.306865] fallback_alloc+0x204/0x2e0 [ 348.310843] ____cache_alloc_node+0x1c7/0x1e0 [ 348.315346] kmem_cache_alloc+0x1f8/0x730 [ 348.319503] skb_clone+0x1bb/0x500 [ 348.323043] ? skb_split+0x11e0/0x11e0 [ 348.326927] ? kasan_check_read+0x11/0x20 [ 348.331072] ? __schedule+0x168a/0x21d0 [ 348.335061] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.340162] ? lock_pin_lock+0x350/0x350 [ 348.344228] bpf_clone_redirect+0xb9/0x490 [ 348.348469] ? __schedule+0x168a/0x21d0 [ 348.352464] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 348.357481] ? __sched_text_start+0x8/0x8 [ 348.361627] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 348.366393] ? find_held_lock+0x36/0x1c0 [ 348.370456] ? lock_acquire+0x1ed/0x520 [ 348.375163] ? bpf_test_run+0x3cb/0x780 [ 348.379136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.384672] ? check_preemption_disabled+0x48/0x280 [ 348.389687] ? kasan_check_read+0x11/0x20 [ 348.393829] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 348.399100] ? rcu_softirq_qs+0x20/0x20 [ 348.403075] ? preempt_schedule+0x4d/0x60 [ 348.407215] ? ___preempt_schedule+0x16/0x18 [ 348.411625] ? bpf_test_run+0x25d/0x780 [ 348.415610] ? netlink_diag_dump+0x2a0/0x2a0 [ 348.420024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.425557] ? bpf_test_init.isra.10+0x70/0x100 [ 348.430227] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 348.434996] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 348.439839] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 348.445463] ? fput+0x130/0x1a0 [ 348.448737] ? __bpf_prog_get+0x9b/0x290 [ 348.452797] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 348.457637] ? bpf_prog_test_run+0x130/0x1a0 [ 348.462041] ? __x64_sys_bpf+0x3d8/0x520 [ 348.466109] ? bpf_prog_get+0x20/0x20 [ 348.469928] ? do_syscall_64+0x1b9/0x820 [ 348.474729] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 348.480097] ? syscall_return_slowpath+0x5e0/0x5e0 [ 348.485027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.489868] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.494882] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 348.499893] ? prepare_exit_to_usermode+0x291/0x3b0 [ 348.504910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.509753] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.515131] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 348.515245] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.521893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.532356] syz-executor4 cpuset=syz4 mems_allowed=0 [ 348.541787] Call Trace: [ 348.549470] dump_stack+0x244/0x39d [ 348.553101] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.558295] warn_alloc.cold.116+0xb7/0x1bd [ 348.562616] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.567458] ? lock_downgrade+0x900/0x900 [ 348.571608] ? trace_hardirqs_off+0xb8/0x310 [ 348.576330] ? trace_hardirqs_off+0xb8/0x310 [ 348.580739] __alloc_pages_slowpath+0x26e8/0x2e10 [ 348.585598] ? warn_alloc+0x120/0x120 [ 348.589398] ? print_usage_bug+0xc0/0xc0 [ 348.593455] ? warn_alloc+0x120/0x120 [ 348.597258] ? warn_alloc+0x120/0x120 [ 348.601068] ? print_usage_bug+0xc0/0xc0 [ 348.605127] ? print_usage_bug+0xc0/0xc0 [ 348.609184] ? __lock_acquire+0x62f/0x4c20 [ 348.613419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.618953] ? should_fail+0x22d/0xd01 [ 348.622839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.627943] ? __lock_acquire+0x62f/0x4c20 [ 348.632174] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.637270] ? __lock_acquire+0x62f/0x4c20 [ 348.641500] ? should_fail+0x22d/0xd01 [ 348.645380] ? find_held_lock+0x36/0x1c0 [ 348.649442] ? mark_held_locks+0x130/0x130 [ 348.653676] ? mark_held_locks+0x130/0x130 [ 348.657902] ? zap_class+0x640/0x640 [ 348.661620] ? mark_held_locks+0xc7/0x130 [ 348.665762] ? do_raw_spin_unlock+0xa7/0x330 [ 348.670166] ? zap_class+0x640/0x640 [ 348.674216] ? print_usage_bug+0xc0/0xc0 [ 348.678284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.683842] ? check_preemption_disabled+0x48/0x280 [ 348.688859] ? __lock_is_held+0xb5/0x140 [ 348.692926] __alloc_pages_nodemask+0xa80/0xde0 [ 348.697588] ? zap_class+0x640/0x640 [ 348.701303] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 348.706322] ? find_held_lock+0x36/0x1c0 [ 348.710391] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.715057] ? lock_downgrade+0x900/0x900 [ 348.719206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.724746] cache_grow_begin+0xa5/0x8c0 [ 348.728800] ? do_raw_spin_unlock+0xa7/0x330 [ 348.733210] fallback_alloc+0x204/0x2e0 [ 348.737197] ____cache_alloc_node+0x1c7/0x1e0 [ 348.741703] kmem_cache_alloc_node+0xe3/0x730 [ 348.746196] ? ipv6_get_ifaddr+0x42e/0x620 [ 348.750441] __alloc_skb+0x119/0x770 [ 348.754149] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 348.759428] ? netdev_alloc_frag+0x1f0/0x1f0 [ 348.763835] ? lock_downgrade+0x900/0x900 [ 348.767985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.773875] ? refcount_sub_and_test_checked+0x203/0x310 [ 348.779326] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 348.784771] ? addrconf_rs_timer+0x690/0x690 [ 348.789186] ndisc_alloc_skb+0x144/0x340 [ 348.793254] ndisc_send_rs+0x331/0x6e0 [ 348.797141] addrconf_rs_timer+0x314/0x690 [ 348.801374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.805612] call_timer_fn+0x272/0x920 [ 348.809496] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.813726] ? process_timeout+0x40/0x40 [ 348.817793] ? __run_timers+0x7da/0xc70 [ 348.821767] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.826256] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.830743] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.834973] ? lockdep_hardirqs_on+0x296/0x5b0 [ 348.839551] ? trace_hardirqs_on+0xbd/0x310 [ 348.843866] ? kasan_check_read+0x11/0x20 [ 348.848010] ? __run_timers+0x7da/0xc70 [ 348.852201] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.857317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.861552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.865780] __run_timers+0x7e5/0xc70 [ 348.869589] ? timer_fixup_init+0x70/0x70 [ 348.874022] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.878510] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.883003] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 348.887582] ? trace_hardirqs_on+0xbd/0x310 [ 348.891902] ? kasan_check_read+0x11/0x20 [ 348.896049] ? finish_task_switch+0x1f4/0x910 [ 348.900544] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.905640] ? compat_start_thread+0x80/0x80 [ 348.910059] ? pvclock_read_flags+0x160/0x160 [ 348.914549] ? __switch_to_asm+0x34/0x70 [ 348.918607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.924143] ? check_preemption_disabled+0x48/0x280 [ 348.929161] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 348.934797] ? rcu_pm_notify+0xc0/0xc0 [ 348.938713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.944249] ? check_preemption_disabled+0x48/0x280 [ 348.949264] run_timer_softirq+0x52/0xb0 [ 348.953323] ? rcu_read_lock_sched_held+0x14f/0x180 [ 348.958361] __do_softirq+0x308/0xb7e [ 348.962164] ? trace_hardirqs_on_caller+0xc0/0x310 [ 348.967091] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 348.972558] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.978010] ? schedule+0x108/0x460 [ 348.981640] ? trace_hardirqs_off+0xb8/0x310 [ 348.986045] ? smpboot_thread_fn+0x68b/0xa00 [ 348.990464] ? trace_hardirqs_on+0x310/0x310 [ 348.994868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.000400] ? check_preemption_disabled+0x48/0x280 [ 349.005412] ? takeover_tasklets+0xa90/0xa90 [ 349.009817] run_ksoftirqd+0x5e/0x100 [ 349.013613] smpboot_thread_fn+0x68b/0xa00 [ 349.018057] ? sort_range+0x30/0x30 [ 349.021683] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 349.026814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.032346] ? __kthread_parkme+0xfb/0x1a0 [ 349.036580] ? sort_range+0x30/0x30 [ 349.040213] kthread+0x35a/0x440 [ 349.043574] ? kthread_stop+0x900/0x900 [ 349.047564] ret_from_fork+0x3a/0x50 [ 349.051284] warn_alloc_show_mem: 1 callbacks suppressed [ 349.051308] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 349.051310] Mem-Info: [ 349.051340] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 349.051340] active_file:10 inactive_file:14 isolated_file:0 [ 349.051340] unevictable:0 dirty:0 writeback:0 unstable:0 [ 349.051340] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 349.051340] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 349.051340] free:13688 free_pcp:208 free_cma:0 [ 349.056673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.063958] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 349.066351] Call Trace: [ 349.099892] 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 [ 349.109245] dump_stack+0x244/0x39d [ 349.136880] lowmem_reserve[]: 0 2818 6321 6321 [ 349.139464] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.165553] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 349.169190] warn_alloc.cold.116+0xb7/0x1bd [ 349.174070] lowmem_reserve[]: 0 0 3503 3503 [ 349.179258] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 349.206554] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 349.210869] ? lock_downgrade+0x900/0x900 [ 349.215153] lowmem_reserve[]: 0 0 0 0 [ 349.220004] ? trace_hardirqs_off+0xb8/0x310 [ 349.248946] 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 [ 349.253094] ? trace_hardirqs_off+0xb8/0x310 [ 349.256860] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 349.261274] __alloc_pages_slowpath+0x26e8/0x2e10 [ 349.275105] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 349.279539] ? warn_alloc+0x120/0x120 [ 349.295193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 349.300022] ? zap_class+0x640/0x640 [ 349.314920] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 349.318709] ? warn_alloc+0x120/0x120 [ 349.327521] 1671 total pagecache pages [ 349.331223] ? warn_alloc+0x120/0x120 [ 349.339784] 0 pages in swap cache [ 349.343569] ? __lock_acquire+0x62f/0x4c20 [ 349.347432] Swap cache stats: add 0, delete 0, find 0/0 [ 349.351233] ? print_usage_bug+0xc0/0xc0 [ 349.354659] Free swap = 0kB [ 349.358885] ? print_usage_bug+0xc0/0xc0 [ 349.364222] Total swap = 0kB [ 349.368279] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.371266] 1965979 pages RAM [ 349.375860] ? should_fail+0x22d/0xd01 [ 349.378846] 0 pages HighMem/MovableOnly [ 349.378854] 342853 pages reserved [ 349.384392] ? find_held_lock+0x36/0x1c0 [ 349.387471] 0 pages cma reserved [ 349.391345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.395371] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 349.398753] ? __lock_acquire+0x62f/0x4c20 [ 349.398770] ? should_fail+0x22d/0xd01 [ 349.398788] ? check_preemption_disabled+0x48/0x280 [ 349.402890] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.406188] ? mark_held_locks+0x130/0x130 [ 349.411255] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 349.417734] ? mark_held_locks+0x130/0x130 [ 349.454210] ? __lock_is_held+0xb5/0x140 [ 349.458278] ? zap_class+0x640/0x640 [ 349.461991] ? update_curr+0x344/0xbd0 [ 349.465879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.471412] ? check_preemption_disabled+0x48/0x280 [ 349.477184] ? __lock_is_held+0xb5/0x140 [ 349.481249] __alloc_pages_nodemask+0xa80/0xde0 [ 349.485920] ? zap_class+0x640/0x640 [ 349.489638] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 349.494681] ? find_held_lock+0x36/0x1c0 [ 349.498746] ? ____cache_alloc_node+0x1c7/0x1e0 [ 349.503416] ? lock_downgrade+0x900/0x900 [ 349.507569] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.513110] cache_grow_begin+0xa5/0x8c0 [ 349.517173] ? do_raw_spin_unlock+0xa7/0x330 [ 349.521587] fallback_alloc+0x204/0x2e0 [ 349.525565] ____cache_alloc_node+0x1c7/0x1e0 [ 349.530064] kmem_cache_alloc+0x1f8/0x730 [ 349.534221] skb_clone+0x1bb/0x500 [ 349.537762] ? skb_split+0x11e0/0x11e0 [ 349.541650] ? kasan_check_read+0x11/0x20 [ 349.545795] ? __schedule+0x168a/0x21d0 [ 349.549771] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.554869] ? lock_pin_lock+0x350/0x350 [ 349.558942] bpf_clone_redirect+0xb9/0x490 [ 349.563178] ? __schedule+0x168a/0x21d0 [ 349.567162] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 349.572631] ? __sched_text_start+0x8/0x8 [ 349.576774] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 349.581535] ? find_held_lock+0x36/0x1c0 [ 349.585614] ? lock_acquire+0x1ed/0x520 [ 349.589585] ? bpf_test_run+0x3cb/0x780 [ 349.593559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.599179] ? check_preemption_disabled+0x48/0x280 [ 349.604198] ? kasan_check_read+0x11/0x20 [ 349.608341] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.613615] ? rcu_softirq_qs+0x20/0x20 [ 349.617587] ? preempt_schedule+0x4d/0x60 [ 349.621736] ? ___preempt_schedule+0x16/0x18 [ 349.626238] ? bpf_test_run+0x25d/0x780 [ 349.630225] ? netlink_diag_dump+0x2a0/0x2a0 [ 349.634631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.640168] ? bpf_test_init.isra.10+0x70/0x100 [ 349.644844] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 349.649607] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 349.654447] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.659982] ? fput+0x130/0x1a0 [ 349.663260] ? __bpf_prog_get+0x9b/0x290 [ 349.667319] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 349.672883] ? bpf_prog_test_run+0x130/0x1a0 [ 349.677313] ? __x64_sys_bpf+0x3d8/0x520 [ 349.681370] ? bpf_prog_get+0x20/0x20 [ 349.685188] ? do_syscall_64+0x1b9/0x820 [ 349.689246] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 349.694609] ? syscall_return_slowpath+0x5e0/0x5e0 [ 349.699535] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.704378] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.709392] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 349.714406] ? prepare_exit_to_usermode+0x291/0x3b0 [ 349.719425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.724272] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.729645] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 349.729771] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.736420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.746883] syz-executor4 cpuset=syz4 mems_allowed=0 [ 349.756306] Call Trace: [ 349.763977] dump_stack+0x244/0x39d [ 349.767603] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.773122] warn_alloc.cold.116+0xb7/0x1bd [ 349.777449] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 349.782289] ? lock_downgrade+0x900/0x900 [ 349.786445] ? trace_hardirqs_off+0xb8/0x310 [ 349.790851] ? trace_hardirqs_off+0xb8/0x310 [ 349.795263] __alloc_pages_slowpath+0x26e8/0x2e10 [ 349.800133] ? warn_alloc+0x120/0x120 [ 349.803931] ? print_usage_bug+0xc0/0xc0 [ 349.807989] ? warn_alloc+0x120/0x120 [ 349.811790] ? warn_alloc+0x120/0x120 [ 349.815585] ? print_usage_bug+0xc0/0xc0 [ 349.819639] ? print_usage_bug+0xc0/0xc0 [ 349.823698] ? print_usage_bug+0xc0/0xc0 [ 349.827760] ? __lock_acquire+0x62f/0x4c20 [ 349.831998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.837528] ? should_fail+0x22d/0xd01 [ 349.841419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.846521] ? __lock_acquire+0x62f/0x4c20 [ 349.850754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.855855] ? __lock_acquire+0x62f/0x4c20 [ 349.860084] ? should_fail+0x22d/0xd01 [ 349.863968] ? find_held_lock+0x36/0x1c0 [ 349.868129] ? mark_held_locks+0x130/0x130 [ 349.872650] ? mark_held_locks+0x130/0x130 [ 349.876878] ? zap_class+0x640/0x640 [ 349.880586] ? zap_class+0x640/0x640 [ 349.884295] ? print_usage_bug+0xc0/0xc0 [ 349.888352] ? do_raw_spin_unlock+0xa7/0x330 [ 349.892760] ? zap_class+0x640/0x640 [ 349.896472] ? print_usage_bug+0xc0/0xc0 [ 349.900524] ? wq_watchdog_touch+0x9c/0xfe [ 349.904757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.910292] ? check_preemption_disabled+0x48/0x280 [ 349.915309] ? __lock_is_held+0xb5/0x140 [ 349.919385] __alloc_pages_nodemask+0xa80/0xde0 [ 349.924049] ? zap_class+0x640/0x640 [ 349.927761] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 349.932783] ? find_held_lock+0x36/0x1c0 [ 349.936849] ? ____cache_alloc_node+0x1c7/0x1e0 [ 349.941514] ? lock_downgrade+0x900/0x900 [ 349.945665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.951204] cache_grow_begin+0xa5/0x8c0 [ 349.955277] ? do_raw_spin_unlock+0xa7/0x330 [ 349.959688] fallback_alloc+0x204/0x2e0 [ 349.963663] ____cache_alloc_node+0x1c7/0x1e0 [ 349.968186] kmem_cache_alloc_node+0xe3/0x730 [ 349.972983] ? ipv6_get_ifaddr+0x42e/0x620 [ 349.977225] __alloc_skb+0x119/0x770 [ 349.980931] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.986208] ? netdev_alloc_frag+0x1f0/0x1f0 [ 349.990698] ? lock_downgrade+0x900/0x900 [ 349.994846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.000382] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.005829] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.011286] ? addrconf_rs_timer+0x690/0x690 [ 350.015696] ndisc_alloc_skb+0x144/0x340 [ 350.019758] ndisc_send_rs+0x331/0x6e0 [ 350.023644] addrconf_rs_timer+0x314/0x690 [ 350.027881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.032128] call_timer_fn+0x272/0x920 [ 350.036013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.040242] ? process_timeout+0x40/0x40 [ 350.044308] ? __run_timers+0x7da/0xc70 [ 350.048278] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.052767] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.057258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.061488] ? lockdep_hardirqs_on+0x296/0x5b0 [ 350.066064] ? trace_hardirqs_on+0xbd/0x310 [ 350.070386] ? kasan_check_read+0x11/0x20 [ 350.074900] ? __run_timers+0x7da/0xc70 [ 350.078873] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.083984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.088223] __run_timers+0x7e5/0xc70 [ 350.092025] ? timer_fixup_init+0x70/0x70 [ 350.096181] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.100667] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.105170] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 350.109750] ? trace_hardirqs_on+0xbd/0x310 [ 350.114075] ? kasan_check_read+0x11/0x20 [ 350.118225] ? finish_task_switch+0x1f4/0x910 [ 350.122715] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.127839] ? compat_start_thread+0x80/0x80 [ 350.132261] ? pvclock_read_flags+0x160/0x160 [ 350.136748] ? __switch_to_asm+0x34/0x70 [ 350.140805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.146338] ? check_preemption_disabled+0x48/0x280 [ 350.151369] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 350.156903] ? rcu_pm_notify+0xc0/0xc0 [ 350.160791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.166588] ? check_preemption_disabled+0x48/0x280 [ 350.171895] run_timer_softirq+0x52/0xb0 [ 350.175944] ? rcu_read_lock_sched_held+0x14f/0x180 [ 350.180957] __do_softirq+0x308/0xb7e [ 350.184757] ? trace_hardirqs_on_caller+0xc0/0x310 [ 350.189713] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 350.194813] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.200265] ? schedule+0x108/0x460 [ 350.203897] ? trace_hardirqs_off+0xb8/0x310 [ 350.208303] ? smpboot_thread_fn+0x68b/0xa00 [ 350.212704] ? trace_hardirqs_on+0x310/0x310 [ 350.217113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.222646] ? check_preemption_disabled+0x48/0x280 [ 350.227658] ? takeover_tasklets+0xa90/0xa90 [ 350.232063] run_ksoftirqd+0x5e/0x100 [ 350.235880] smpboot_thread_fn+0x68b/0xa00 [ 350.240120] ? sort_range+0x30/0x30 [ 350.243739] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 350.248836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.254371] ? __kthread_parkme+0xfb/0x1a0 [ 350.258603] ? sort_range+0x30/0x30 [ 350.262225] kthread+0x35a/0x440 [ 350.265585] ? kthread_stop+0x900/0x900 [ 350.269556] ret_from_fork+0x3a/0x50 [ 350.273585] warn_alloc_show_mem: 1 callbacks suppressed [ 350.273596] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 350.273598] Mem-Info: [ 350.273630] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 350.273630] active_file:10 inactive_file:14 isolated_file:0 [ 350.273630] unevictable:0 dirty:0 writeback:0 unstable:0 [ 350.273630] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 350.273630] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 350.273630] free:13688 free_pcp:208 free_cma:0 [ 350.278964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.286258] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 350.288648] Call Trace: [ 350.321679] 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 [ 350.331031] dump_stack+0x244/0x39d [ 350.358677] lowmem_reserve[]: 0 2818 6321 6321 [ 350.361264] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.387710] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 350.391340] warn_alloc.cold.116+0xb7/0x1bd [ 350.395888] lowmem_reserve[]: 0 0 3503 3503 [ 350.401080] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.428384] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 350.432700] ? lock_downgrade+0x900/0x900 [ 350.436992] lowmem_reserve[]: 0 0 0 0 [ 350.441832] ? trace_hardirqs_off+0xb8/0x310 [ 350.470777] 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 [ 350.475680] ? trace_hardirqs_off+0xb8/0x310 [ 350.479450] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 350.483859] __alloc_pages_slowpath+0x26e8/0x2e10 [ 350.497348] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 350.501771] ? warn_alloc+0x120/0x120 [ 350.517419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 350.522248] ? zap_class+0x640/0x640 [ 350.537137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 350.540919] ? warn_alloc+0x120/0x120 [ 350.549724] 1671 total pagecache pages [ 350.553427] ? warn_alloc+0x120/0x120 [ 350.561976] 0 pages in swap cache [ 350.565763] ? __lock_acquire+0x62f/0x4c20 [ 350.569626] Swap cache stats: add 0, delete 0, find 0/0 [ 350.574112] ? print_usage_bug+0xc0/0xc0 [ 350.577710] Free swap = 0kB [ 350.581933] ? print_usage_bug+0xc0/0xc0 [ 350.587267] Total swap = 0kB [ 350.591322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.594318] 1965979 pages RAM [ 350.598367] ? should_fail+0x22d/0xd01 [ 350.601365] 0 pages HighMem/MovableOnly [ 350.601373] 342853 pages reserved [ 350.606897] ? find_held_lock+0x36/0x1c0 [ 350.609978] 0 pages cma reserved [ 350.613925] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.617928] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 350.621314] ? __lock_acquire+0x62f/0x4c20 [ 350.625401] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.628707] ? should_fail+0x22d/0xd01 [ 350.633778] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 350.640260] ? check_preemption_disabled+0x48/0x280 [ 350.668435] ? mark_held_locks+0x130/0x130 [ 350.673307] ? mark_held_locks+0x130/0x130 [ 350.677537] ? __lock_is_held+0xb5/0x140 [ 350.681603] ? zap_class+0x640/0x640 [ 350.685314] ? update_curr+0x344/0xbd0 [ 350.689289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.694826] ? check_preemption_disabled+0x48/0x280 [ 350.699846] ? __lock_is_held+0xb5/0x140 [ 350.703912] __alloc_pages_nodemask+0xa80/0xde0 [ 350.708581] ? zap_class+0x640/0x640 [ 350.712415] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 350.717439] ? find_held_lock+0x36/0x1c0 [ 350.721508] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.726178] ? lock_downgrade+0x900/0x900 [ 350.730331] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.735868] cache_grow_begin+0xa5/0x8c0 [ 350.739927] ? do_raw_spin_unlock+0xa7/0x330 [ 350.744341] fallback_alloc+0x204/0x2e0 [ 350.748332] ____cache_alloc_node+0x1c7/0x1e0 [ 350.752833] kmem_cache_alloc+0x1f8/0x730 [ 350.756987] skb_clone+0x1bb/0x500 [ 350.760525] ? skb_split+0x11e0/0x11e0 [ 350.764414] ? kasan_check_read+0x11/0x20 [ 350.768557] ? __schedule+0x168a/0x21d0 [ 350.773060] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.778161] ? lock_pin_lock+0x350/0x350 [ 350.782226] bpf_clone_redirect+0xb9/0x490 [ 350.786459] ? __schedule+0x168a/0x21d0 [ 350.790433] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 350.795447] ? __sched_text_start+0x8/0x8 [ 350.799590] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 350.804352] ? find_held_lock+0x36/0x1c0 [ 350.808423] ? lock_acquire+0x1ed/0x520 [ 350.812396] ? bpf_test_run+0x3cb/0x780 [ 350.816367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.821904] ? check_preemption_disabled+0x48/0x280 [ 350.826923] ? kasan_check_read+0x11/0x20 [ 350.831070] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.836342] ? rcu_softirq_qs+0x20/0x20 [ 350.840313] ? preempt_schedule+0x4d/0x60 [ 350.844457] ? ___preempt_schedule+0x16/0x18 [ 350.848870] ? bpf_test_run+0x25d/0x780 [ 350.853022] ? netlink_diag_dump+0x2a0/0x2a0 [ 350.857439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.862970] ? bpf_test_init.isra.10+0x70/0x100 [ 350.867639] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 350.873131] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 350.877968] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.883506] ? fput+0x130/0x1a0 [ 350.886783] ? __bpf_prog_get+0x9b/0x290 [ 350.890846] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 350.895681] ? bpf_prog_test_run+0x130/0x1a0 [ 350.900092] ? __x64_sys_bpf+0x3d8/0x520 [ 350.904147] ? bpf_prog_get+0x20/0x20 [ 350.907962] ? do_syscall_64+0x1b9/0x820 [ 350.912018] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 350.917388] ? syscall_return_slowpath+0x5e0/0x5e0 [ 350.922327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.927169] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.932180] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 350.937197] ? prepare_exit_to_usermode+0x291/0x3b0 [ 350.942215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.947067] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.952444] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 350.952559] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.959209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.969672] syz-executor4 cpuset=syz4 mems_allowed=0 [ 350.979312] Call Trace: [ 350.986978] dump_stack+0x244/0x39d [ 350.990602] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.995794] warn_alloc.cold.116+0xb7/0x1bd [ 351.000116] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.005148] ? lock_downgrade+0x900/0x900 [ 351.009302] ? trace_hardirqs_off+0xb8/0x310 [ 351.013710] ? trace_hardirqs_off+0xb8/0x310 [ 351.018403] __alloc_pages_slowpath+0x26e8/0x2e10 [ 351.023267] ? warn_alloc+0x120/0x120 [ 351.027070] ? print_usage_bug+0xc0/0xc0 [ 351.031130] ? warn_alloc+0x120/0x120 [ 351.034933] ? warn_alloc+0x120/0x120 [ 351.038756] ? print_usage_bug+0xc0/0xc0 [ 351.042818] ? print_usage_bug+0xc0/0xc0 [ 351.046879] ? __lock_acquire+0x62f/0x4c20 [ 351.051114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.056644] ? should_fail+0x22d/0xd01 [ 351.060523] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.065624] ? __lock_acquire+0x62f/0x4c20 [ 351.069864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.075310] ? __lock_acquire+0x62f/0x4c20 [ 351.079537] ? should_fail+0x22d/0xd01 [ 351.083420] ? find_held_lock+0x36/0x1c0 [ 351.087484] ? mark_held_locks+0x130/0x130 [ 351.091721] ? mark_held_locks+0x130/0x130 [ 351.095948] ? zap_class+0x640/0x640 [ 351.099655] ? zap_class+0x640/0x640 [ 351.103369] ? print_usage_bug+0xc0/0xc0 [ 351.107428] ? do_raw_spin_unlock+0xa7/0x330 [ 351.111831] ? zap_class+0x640/0x640 [ 351.115544] ? print_usage_bug+0xc0/0xc0 [ 351.119597] ? wq_watchdog_touch+0x9c/0xfe [ 351.123831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.129363] ? check_preemption_disabled+0x48/0x280 [ 351.134385] ? __lock_is_held+0xb5/0x140 [ 351.138446] __alloc_pages_nodemask+0xa80/0xde0 [ 351.143112] ? zap_class+0x640/0x640 [ 351.146823] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 351.151843] ? find_held_lock+0x36/0x1c0 [ 351.155909] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.160576] ? lock_downgrade+0x900/0x900 [ 351.164724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.170275] cache_grow_begin+0xa5/0x8c0 [ 351.174590] ? do_raw_spin_unlock+0xa7/0x330 [ 351.178999] fallback_alloc+0x204/0x2e0 [ 351.182982] ____cache_alloc_node+0x1c7/0x1e0 [ 351.187480] kmem_cache_alloc_node+0xe3/0x730 [ 351.191972] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.196222] __alloc_skb+0x119/0x770 [ 351.199931] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.205204] ? netdev_alloc_frag+0x1f0/0x1f0 [ 351.209605] ? lock_downgrade+0x900/0x900 [ 351.213772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.219302] ? refcount_sub_and_test_checked+0x203/0x310 [ 351.224750] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 351.230193] ? addrconf_rs_timer+0x690/0x690 [ 351.234605] ndisc_alloc_skb+0x144/0x340 [ 351.238671] ndisc_send_rs+0x331/0x6e0 [ 351.242560] addrconf_rs_timer+0x314/0x690 [ 351.246796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.251041] call_timer_fn+0x272/0x920 [ 351.254922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.259166] ? process_timeout+0x40/0x40 [ 351.263230] ? __run_timers+0x7da/0xc70 [ 351.267207] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.271976] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.276466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.280711] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.285291] ? trace_hardirqs_on+0xbd/0x310 [ 351.289608] ? kasan_check_read+0x11/0x20 [ 351.293762] ? __run_timers+0x7da/0xc70 [ 351.297729] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.302831] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.307066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.311297] __run_timers+0x7e5/0xc70 [ 351.315115] ? timer_fixup_init+0x70/0x70 [ 351.319261] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.323749] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.328245] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 351.332831] ? trace_hardirqs_on+0xbd/0x310 [ 351.337150] ? kasan_check_read+0x11/0x20 [ 351.341293] ? finish_task_switch+0x1f4/0x910 [ 351.345784] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.350895] ? compat_start_thread+0x80/0x80 [ 351.355316] ? pvclock_read_flags+0x160/0x160 [ 351.359817] ? __switch_to_asm+0x34/0x70 [ 351.363895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.369775] ? check_preemption_disabled+0x48/0x280 [ 351.375131] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 351.380669] ? rcu_pm_notify+0xc0/0xc0 [ 351.384553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.390086] ? check_preemption_disabled+0x48/0x280 [ 351.395116] run_timer_softirq+0x52/0xb0 [ 351.399275] ? rcu_read_lock_sched_held+0x14f/0x180 [ 351.404290] __do_softirq+0x308/0xb7e [ 351.408102] ? trace_hardirqs_on_caller+0xc0/0x310 [ 351.413292] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 351.418396] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 351.423847] ? schedule+0x108/0x460 [ 351.427477] ? trace_hardirqs_off+0xb8/0x310 [ 351.431881] ? smpboot_thread_fn+0x68b/0xa00 [ 351.436287] ? trace_hardirqs_on+0x310/0x310 [ 351.440692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.446222] ? check_preemption_disabled+0x48/0x280 [ 351.451243] ? takeover_tasklets+0xa90/0xa90 [ 351.455650] run_ksoftirqd+0x5e/0x100 [ 351.459443] smpboot_thread_fn+0x68b/0xa00 [ 351.463677] ? sort_range+0x30/0x30 [ 351.467305] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 351.472823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.478358] ? __kthread_parkme+0xfb/0x1a0 [ 351.482594] ? sort_range+0x30/0x30 [ 351.486214] kthread+0x35a/0x440 [ 351.489584] ? kthread_stop+0x900/0x900 [ 351.493555] ret_from_fork+0x3a/0x50 [ 351.497274] warn_alloc_show_mem: 1 callbacks suppressed [ 351.497284] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 351.497286] Mem-Info: [ 351.497333] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 351.497333] active_file:10 inactive_file:14 isolated_file:0 [ 351.497333] unevictable:0 dirty:0 writeback:0 unstable:0 [ 351.497333] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 351.497333] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 351.497333] free:13688 free_pcp:208 free_cma:0 [ 351.502671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.510206] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 351.512598] Call Trace: [ 351.545632] 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 [ 351.554990] dump_stack+0x244/0x39d [ 351.582910] lowmem_reserve[]: 0 2818 6321 6321 [ 351.585514] ? dump_stack_print_info.cold.1+0x20/0x20 [ 351.612069] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 351.615696] warn_alloc.cold.116+0xb7/0x1bd [ 351.620242] lowmem_reserve[]: 0 0 3503 3503 [ 351.625423] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.652718] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 351.657039] ? lock_downgrade+0x900/0x900 [ 351.661326] lowmem_reserve[]: 0 0 0 0 [ 351.666176] ? trace_hardirqs_off+0xb8/0x310 [ 351.695400] 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 [ 351.699567] ? trace_hardirqs_off+0xb8/0x310 [ 351.703332] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 351.707748] __alloc_pages_slowpath+0x26e8/0x2e10 [ 351.721233] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 351.725663] ? warn_alloc+0x120/0x120 [ 351.741311] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 351.746136] ? zap_class+0x640/0x640 [ 351.761041] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 351.764826] ? warn_alloc+0x120/0x120 [ 351.773979] 1671 total pagecache pages [ 351.777688] ? warn_alloc+0x120/0x120 [ 351.786239] 0 pages in swap cache [ 351.790029] ? __lock_acquire+0x62f/0x4c20 [ 351.793899] Swap cache stats: add 0, delete 0, find 0/0 [ 351.793907] Free swap = 0kB [ 351.797694] ? print_usage_bug+0xc0/0xc0 [ 351.801121] Total swap = 0kB [ 351.805342] ? print_usage_bug+0xc0/0xc0 [ 351.810675] 1965979 pages RAM [ 351.813692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.817722] 0 pages HighMem/MovableOnly [ 351.820731] ? should_fail+0x22d/0xd01 [ 351.824771] 342853 pages reserved [ 351.824779] 0 pages cma reserved [ 351.827871] ? find_held_lock+0x36/0x1c0 [ 351.833441] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 351.837343] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.837358] ? __lock_acquire+0x62f/0x4c20 [ 351.837377] ? should_fail+0x22d/0xd01 [ 351.841282] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.844681] ? check_preemption_disabled+0x48/0x280 [ 351.848032] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 351.852090] ? mark_held_locks+0x130/0x130 [ 351.896624] ? mark_held_locks+0x130/0x130 [ 351.900855] ? __lock_is_held+0xb5/0x140 [ 351.904919] ? zap_class+0x640/0x640 [ 351.908649] ? update_curr+0x344/0xbd0 [ 351.912541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.918074] ? check_preemption_disabled+0x48/0x280 [ 351.923097] ? __lock_is_held+0xb5/0x140 [ 351.927162] __alloc_pages_nodemask+0xa80/0xde0 [ 351.931825] ? zap_class+0x640/0x640 [ 351.935543] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 351.940577] ? find_held_lock+0x36/0x1c0 [ 351.944642] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.949312] ? lock_downgrade+0x900/0x900 [ 351.953476] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.959018] cache_grow_begin+0xa5/0x8c0 [ 351.963075] ? do_raw_spin_unlock+0xa7/0x330 [ 351.967489] fallback_alloc+0x204/0x2e0 [ 351.972262] ____cache_alloc_node+0x1c7/0x1e0 [ 351.976775] kmem_cache_alloc+0x1f8/0x730 [ 351.980939] skb_clone+0x1bb/0x500 [ 351.984478] ? skb_split+0x11e0/0x11e0 [ 351.988369] ? kasan_check_read+0x11/0x20 [ 351.992515] ? __schedule+0x168a/0x21d0 [ 351.996488] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.001587] ? lock_pin_lock+0x350/0x350 [ 352.005657] bpf_clone_redirect+0xb9/0x490 [ 352.009895] ? __schedule+0x168a/0x21d0 [ 352.013868] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 352.018881] ? __sched_text_start+0x8/0x8 [ 352.023470] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 352.028233] ? find_held_lock+0x36/0x1c0 [ 352.032301] ? lock_acquire+0x1ed/0x520 [ 352.036274] ? bpf_test_run+0x3cb/0x780 [ 352.040247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.045783] ? check_preemption_disabled+0x48/0x280 [ 352.050803] ? kasan_check_read+0x11/0x20 [ 352.054962] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.060233] ? rcu_softirq_qs+0x20/0x20 [ 352.064205] ? preempt_schedule+0x4d/0x60 [ 352.068351] ? ___preempt_schedule+0x16/0x18 [ 352.073464] ? bpf_test_run+0x25d/0x780 [ 352.077543] ? netlink_diag_dump+0x2a0/0x2a0 [ 352.081956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.087489] ? bpf_test_init.isra.10+0x70/0x100 [ 352.092163] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 352.096930] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 352.101766] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 352.107300] ? fput+0x130/0x1a0 [ 352.110574] ? __bpf_prog_get+0x9b/0x290 [ 352.114633] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 352.119472] ? bpf_prog_test_run+0x130/0x1a0 [ 352.123880] ? __x64_sys_bpf+0x3d8/0x520 [ 352.127941] ? bpf_prog_get+0x20/0x20 [ 352.131755] ? do_syscall_64+0x1b9/0x820 [ 352.135810] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 352.141175] ? syscall_return_slowpath+0x5e0/0x5e0 [ 352.146114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.150953] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.155966] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 352.160988] ? prepare_exit_to_usermode+0x291/0x3b0 [ 352.166006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.170857] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 352.176936] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 352.177064] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 352.183725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.194201] syz-executor4 cpuset=syz4 mems_allowed=0 [ 352.203538] Call Trace: [ 352.211199] dump_stack+0x244/0x39d [ 352.214836] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.220032] warn_alloc.cold.116+0xb7/0x1bd [ 352.224366] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.229210] ? lock_downgrade+0x900/0x900 [ 352.233363] ? trace_hardirqs_off+0xb8/0x310 [ 352.237772] ? trace_hardirqs_off+0xb8/0x310 [ 352.242196] __alloc_pages_slowpath+0x26e8/0x2e10 [ 352.247059] ? warn_alloc+0x120/0x120 [ 352.250858] ? print_usage_bug+0xc0/0xc0 [ 352.254921] ? warn_alloc+0x120/0x120 [ 352.258746] ? warn_alloc+0x120/0x120 [ 352.262542] ? print_usage_bug+0xc0/0xc0 [ 352.266624] ? print_usage_bug+0xc0/0xc0 [ 352.270795] ? __lock_acquire+0x62f/0x4c20 [ 352.275373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.280913] ? should_fail+0x22d/0xd01 [ 352.284808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.289917] ? __lock_acquire+0x62f/0x4c20 [ 352.294158] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.299260] ? __lock_acquire+0x62f/0x4c20 [ 352.303499] ? should_fail+0x22d/0xd01 [ 352.307384] ? find_held_lock+0x36/0x1c0 [ 352.311446] ? mark_held_locks+0x130/0x130 [ 352.315678] ? mark_held_locks+0x130/0x130 [ 352.319916] ? zap_class+0x640/0x640 [ 352.323623] ? zap_class+0x640/0x640 [ 352.327338] ? print_usage_bug+0xc0/0xc0 [ 352.331392] ? do_raw_spin_unlock+0xa7/0x330 [ 352.335796] ? zap_class+0x640/0x640 [ 352.339503] ? print_usage_bug+0xc0/0xc0 [ 352.343558] ? wq_watchdog_touch+0x9c/0xfe [ 352.347809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.353344] ? check_preemption_disabled+0x48/0x280 [ 352.358363] ? __lock_is_held+0xb5/0x140 [ 352.362425] __alloc_pages_nodemask+0xa80/0xde0 [ 352.367090] ? zap_class+0x640/0x640 [ 352.370804] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 352.376165] ? find_held_lock+0x36/0x1c0 [ 352.380232] ? ____cache_alloc_node+0x1c7/0x1e0 [ 352.384909] ? lock_downgrade+0x900/0x900 [ 352.389060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.394613] cache_grow_begin+0xa5/0x8c0 [ 352.398669] ? do_raw_spin_unlock+0xa7/0x330 [ 352.403086] fallback_alloc+0x204/0x2e0 [ 352.407069] ____cache_alloc_node+0x1c7/0x1e0 [ 352.411674] kmem_cache_alloc_node+0xe3/0x730 [ 352.416171] ? ipv6_get_ifaddr+0x42e/0x620 [ 352.420415] __alloc_skb+0x119/0x770 [ 352.424123] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.429401] ? netdev_alloc_frag+0x1f0/0x1f0 [ 352.433804] ? lock_downgrade+0x900/0x900 [ 352.437954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.443486] ? refcount_sub_and_test_checked+0x203/0x310 [ 352.448956] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 352.454399] ? addrconf_rs_timer+0x690/0x690 [ 352.458921] ndisc_alloc_skb+0x144/0x340 [ 352.462982] ndisc_send_rs+0x331/0x6e0 [ 352.466867] addrconf_rs_timer+0x314/0x690 [ 352.471108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.475630] call_timer_fn+0x272/0x920 [ 352.479513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.483742] ? process_timeout+0x40/0x40 [ 352.487804] ? __run_timers+0x7da/0xc70 [ 352.491773] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.496261] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.500749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.504979] ? lockdep_hardirqs_on+0x296/0x5b0 [ 352.509559] ? trace_hardirqs_on+0xbd/0x310 [ 352.513875] ? kasan_check_read+0x11/0x20 [ 352.518022] ? __run_timers+0x7da/0xc70 [ 352.521993] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.527097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.531333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.535558] __run_timers+0x7e5/0xc70 [ 352.539360] ? timer_fixup_init+0x70/0x70 [ 352.543504] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.547991] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.552487] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 352.557064] ? trace_hardirqs_on+0xbd/0x310 [ 352.561381] ? kasan_check_read+0x11/0x20 [ 352.565523] ? finish_task_switch+0x1f4/0x910 [ 352.570019] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.575435] ? compat_start_thread+0x80/0x80 [ 352.579857] ? pvclock_read_flags+0x160/0x160 [ 352.584356] ? __switch_to_asm+0x34/0x70 [ 352.588412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.593944] ? check_preemption_disabled+0x48/0x280 [ 352.598967] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 352.604510] ? rcu_pm_notify+0xc0/0xc0 [ 352.608391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.613936] ? check_preemption_disabled+0x48/0x280 [ 352.618955] run_timer_softirq+0x52/0xb0 [ 352.623009] ? rcu_read_lock_sched_held+0x14f/0x180 [ 352.628023] __do_softirq+0x308/0xb7e [ 352.631825] ? trace_hardirqs_on_caller+0xc0/0x310 [ 352.636756] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 352.641856] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.647313] ? schedule+0x108/0x460 [ 352.650950] ? trace_hardirqs_off+0xb8/0x310 [ 352.655355] ? smpboot_thread_fn+0x68b/0xa00 [ 352.659761] ? trace_hardirqs_on+0x310/0x310 [ 352.664164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.669713] ? check_preemption_disabled+0x48/0x280 [ 352.675068] ? takeover_tasklets+0xa90/0xa90 [ 352.679476] run_ksoftirqd+0x5e/0x100 [ 352.683271] smpboot_thread_fn+0x68b/0xa00 [ 352.687507] ? sort_range+0x30/0x30 [ 352.691148] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.696249] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.701792] ? __kthread_parkme+0xfb/0x1a0 [ 352.706022] ? sort_range+0x30/0x30 [ 352.709643] kthread+0x35a/0x440 [ 352.713007] ? kthread_stop+0x900/0x900 [ 352.716983] ret_from_fork+0x3a/0x50 [ 352.720708] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 352.720713] warn_alloc_show_mem: 1 callbacks suppressed [ 352.720720] Mem-Info: [ 352.727985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.733350] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 352.733350] active_file:10 inactive_file:14 isolated_file:0 [ 352.733350] unevictable:0 dirty:0 writeback:0 unstable:0 [ 352.733350] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 352.733350] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 352.733350] free:13688 free_pcp:208 free_cma:0 [ 352.735719] Call Trace: [ 352.745092] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 352.778907] dump_stack+0x244/0x39d [ 352.781468] 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 [ 352.809324] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.812916] lowmem_reserve[]: 0 2818 6321 6321 [ 352.839032] warn_alloc.cold.116+0xb7/0x1bd [ 352.844186] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 352.848761] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.853311] lowmem_reserve[]: 0 0 3503 3503 [ 352.881382] ? lock_downgrade+0x900/0x900 [ 352.886190] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 352.890507] ? trace_hardirqs_off+0xb8/0x310 [ 352.894621] lowmem_reserve[]: 0 0 0 0 [ 352.923586] ? trace_hardirqs_off+0xb8/0x310 [ 352.927968] 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 [ 352.931770] __alloc_pages_slowpath+0x26e8/0x2e10 [ 352.936145] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 352.949681] ? warn_alloc+0x120/0x120 [ 352.954470] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 352.970160] ? zap_class+0x640/0x640 [ 352.974279] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 352.989272] ? warn_alloc+0x120/0x120 [ 352.992961] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 352.992969] 1671 total pagecache pages [ 353.001796] ? warn_alloc+0x120/0x120 [ 353.005575] 0 pages in swap cache [ 353.014132] ? __lock_acquire+0x62f/0x4c20 [ 353.018223] Swap cache stats: add 0, delete 0, find 0/0 [ 353.018231] Free swap = 0kB [ 353.022032] ? print_usage_bug+0xc0/0xc0 [ 353.025452] Total swap = 0kB [ 353.029677] ? print_usage_bug+0xc0/0xc0 [ 353.035008] 1965979 pages RAM [ 353.038051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.042071] 0 pages HighMem/MovableOnly [ 353.042079] 342853 pages reserved [ 353.045090] ? should_fail+0x22d/0xd01 [ 353.049126] 0 pages cma reserved [ 353.052222] ? find_held_lock+0x36/0x1c0 [ 353.057792] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 353.061697] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.065183] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.069010] ? __lock_acquire+0x62f/0x4c20 [ 353.072698] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 353.076750] ? should_fail+0x22d/0xd01 [ 353.111429] ? check_preemption_disabled+0x48/0x280 [ 353.116455] ? mark_held_locks+0x130/0x130 [ 353.120776] ? mark_held_locks+0x130/0x130 [ 353.125004] ? __lock_is_held+0xb5/0x140 [ 353.129069] ? zap_class+0x640/0x640 [ 353.132816] ? update_curr+0x344/0xbd0 [ 353.136715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.142251] ? check_preemption_disabled+0x48/0x280 [ 353.147271] ? __lock_is_held+0xb5/0x140 [ 353.151335] __alloc_pages_nodemask+0xa80/0xde0 [ 353.156000] ? zap_class+0x640/0x640 [ 353.159716] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 353.164741] ? find_held_lock+0x36/0x1c0 [ 353.168810] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.173962] ? lock_downgrade+0x900/0x900 [ 353.178111] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.183647] cache_grow_begin+0xa5/0x8c0 [ 353.187705] ? do_raw_spin_unlock+0xa7/0x330 [ 353.192129] fallback_alloc+0x204/0x2e0 [ 353.196128] ____cache_alloc_node+0x1c7/0x1e0 [ 353.200625] kmem_cache_alloc+0x1f8/0x730 [ 353.204778] skb_clone+0x1bb/0x500 [ 353.208316] ? skb_split+0x11e0/0x11e0 [ 353.212200] ? kasan_check_read+0x11/0x20 [ 353.216343] ? __schedule+0x168a/0x21d0 [ 353.220313] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.225415] ? lock_pin_lock+0x350/0x350 [ 353.229481] bpf_clone_redirect+0xb9/0x490 [ 353.233714] ? __schedule+0x168a/0x21d0 [ 353.237688] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 353.242701] ? __sched_text_start+0x8/0x8 [ 353.246848] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 353.251619] ? find_held_lock+0x36/0x1c0 [ 353.255683] ? lock_acquire+0x1ed/0x520 [ 353.259654] ? bpf_test_run+0x3cb/0x780 [ 353.263630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.269167] ? check_preemption_disabled+0x48/0x280 [ 353.274856] ? kasan_check_read+0x11/0x20 [ 353.279008] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.284285] ? rcu_softirq_qs+0x20/0x20 [ 353.288262] ? preempt_schedule+0x4d/0x60 [ 353.292405] ? ___preempt_schedule+0x16/0x18 [ 353.296824] ? bpf_test_run+0x25d/0x780 [ 353.300808] ? netlink_diag_dump+0x2a0/0x2a0 [ 353.305225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.310757] ? bpf_test_init.isra.10+0x70/0x100 [ 353.315431] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 353.320206] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 353.325044] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.330587] ? fput+0x130/0x1a0 [ 353.333867] ? __bpf_prog_get+0x9b/0x290 [ 353.337929] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 353.342772] ? bpf_prog_test_run+0x130/0x1a0 [ 353.347180] ? __x64_sys_bpf+0x3d8/0x520 [ 353.351238] ? bpf_prog_get+0x20/0x20 [ 353.355057] ? do_syscall_64+0x1b9/0x820 [ 353.359114] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 353.364477] ? syscall_return_slowpath+0x5e0/0x5e0 [ 353.369400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.374999] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.380011] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 353.385028] ? prepare_exit_to_usermode+0x291/0x3b0 [ 353.390044] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.394893] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.400267] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 353.400374] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.407042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.417504] syz-executor4 cpuset=syz4 mems_allowed=0 [ 353.426854] Call Trace: [ 353.434515] dump_stack+0x244/0x39d [ 353.438141] ? dump_stack_print_info.cold.1+0x20/0x20 [ 353.443342] warn_alloc.cold.116+0xb7/0x1bd [ 353.447662] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 353.452505] ? lock_downgrade+0x900/0x900 [ 353.456654] ? trace_hardirqs_off+0xb8/0x310 [ 353.461068] ? trace_hardirqs_off+0xb8/0x310 [ 353.465481] __alloc_pages_slowpath+0x26e8/0x2e10 [ 353.470342] ? warn_alloc+0x120/0x120 [ 353.474504] ? print_usage_bug+0xc0/0xc0 [ 353.478564] ? warn_alloc+0x120/0x120 [ 353.482367] ? warn_alloc+0x120/0x120 [ 353.486168] ? print_usage_bug+0xc0/0xc0 [ 353.490227] ? print_usage_bug+0xc0/0xc0 [ 353.494288] ? __lock_acquire+0x62f/0x4c20 [ 353.498528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.504065] ? should_fail+0x22d/0xd01 [ 353.507953] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.513060] ? __lock_acquire+0x62f/0x4c20 [ 353.517295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.522393] ? __lock_acquire+0x62f/0x4c20 [ 353.526621] ? should_fail+0x22d/0xd01 [ 353.530506] ? find_held_lock+0x36/0x1c0 [ 353.534568] ? mark_held_locks+0x130/0x130 [ 353.538823] ? mark_held_locks+0x130/0x130 [ 353.543050] ? zap_class+0x640/0x640 [ 353.546766] ? zap_class+0x640/0x640 [ 353.550484] ? print_usage_bug+0xc0/0xc0 [ 353.554536] ? do_raw_spin_unlock+0xa7/0x330 [ 353.558939] ? zap_class+0x640/0x640 [ 353.562650] ? print_usage_bug+0xc0/0xc0 [ 353.566704] ? wq_watchdog_touch+0x9c/0xfe [ 353.570937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.576741] ? check_preemption_disabled+0x48/0x280 [ 353.581760] ? __lock_is_held+0xb5/0x140 [ 353.585845] __alloc_pages_nodemask+0xa80/0xde0 [ 353.590525] ? zap_class+0x640/0x640 [ 353.594238] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 353.599431] ? find_held_lock+0x36/0x1c0 [ 353.603500] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.608169] ? lock_downgrade+0x900/0x900 [ 353.612317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.617882] cache_grow_begin+0xa5/0x8c0 [ 353.621938] ? do_raw_spin_unlock+0xa7/0x330 [ 353.626346] fallback_alloc+0x204/0x2e0 [ 353.630320] ____cache_alloc_node+0x1c7/0x1e0 [ 353.634852] kmem_cache_alloc_node+0xe3/0x730 [ 353.639342] ? ipv6_get_ifaddr+0x42e/0x620 [ 353.643581] __alloc_skb+0x119/0x770 [ 353.647373] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.652649] ? netdev_alloc_frag+0x1f0/0x1f0 [ 353.657056] ? lock_downgrade+0x900/0x900 [ 353.661212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.666742] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.672493] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.677948] ? addrconf_rs_timer+0x690/0x690 [ 353.682362] ndisc_alloc_skb+0x144/0x340 [ 353.686420] ndisc_send_rs+0x331/0x6e0 [ 353.690310] addrconf_rs_timer+0x314/0x690 [ 353.694544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.698794] call_timer_fn+0x272/0x920 [ 353.702677] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.706903] ? process_timeout+0x40/0x40 [ 353.710970] ? __run_timers+0x7da/0xc70 [ 353.714942] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.719435] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.723922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.728155] ? lockdep_hardirqs_on+0x296/0x5b0 [ 353.732738] ? trace_hardirqs_on+0xbd/0x310 [ 353.737055] ? kasan_check_read+0x11/0x20 [ 353.741195] ? __run_timers+0x7da/0xc70 [ 353.745168] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.750270] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.754503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.758730] __run_timers+0x7e5/0xc70 [ 353.762534] ? timer_fixup_init+0x70/0x70 [ 353.766677] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.771165] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.775960] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 353.780539] ? trace_hardirqs_on+0xbd/0x310 [ 353.784857] ? kasan_check_read+0x11/0x20 [ 353.789002] ? finish_task_switch+0x1f4/0x910 [ 353.793499] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.798597] ? compat_start_thread+0x80/0x80 [ 353.803017] ? pvclock_read_flags+0x160/0x160 [ 353.807509] ? __switch_to_asm+0x34/0x70 [ 353.811568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.817101] ? check_preemption_disabled+0x48/0x280 [ 353.822121] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 353.827653] ? rcu_pm_notify+0xc0/0xc0 [ 353.831539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.837071] ? check_preemption_disabled+0x48/0x280 [ 353.842087] run_timer_softirq+0x52/0xb0 [ 353.846146] ? rcu_read_lock_sched_held+0x14f/0x180 [ 353.851158] __do_softirq+0x308/0xb7e [ 353.854959] ? trace_hardirqs_on_caller+0xc0/0x310 [ 353.859887] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 353.864985] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.870441] ? schedule+0x108/0x460 [ 353.874386] ? trace_hardirqs_off+0xb8/0x310 [ 353.878797] ? smpboot_thread_fn+0x68b/0xa00 [ 353.883199] ? trace_hardirqs_on+0x310/0x310 [ 353.887602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.893135] ? check_preemption_disabled+0x48/0x280 [ 353.898853] ? takeover_tasklets+0xa90/0xa90 [ 353.903257] run_ksoftirqd+0x5e/0x100 [ 353.907054] smpboot_thread_fn+0x68b/0xa00 [ 353.911286] ? sort_range+0x30/0x30 [ 353.914906] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 353.920004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.925543] ? __kthread_parkme+0xfb/0x1a0 [ 353.929888] ? sort_range+0x30/0x30 [ 353.933509] kthread+0x35a/0x440 [ 353.936873] ? kthread_stop+0x900/0x900 [ 353.940842] ret_from_fork+0x3a/0x50 [ 353.944567] warn_alloc_show_mem: 1 callbacks suppressed [ 353.944578] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 353.944580] Mem-Info: [ 353.944612] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 353.944612] active_file:10 inactive_file:14 isolated_file:0 [ 353.944612] unevictable:0 dirty:0 writeback:0 unstable:0 [ 353.944612] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 353.944612] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 353.944612] free:13688 free_pcp:208 free_cma:0 [ 353.950042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.950050] Call Trace: [ 353.957326] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 353.959728] dump_stack+0x244/0x39d [ 353.993038] 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 [ 354.002392] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.004944] lowmem_reserve[]: 0 2818 6321 6321 [ 354.032615] warn_alloc.cold.116+0xb7/0x1bd [ 354.036209] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 354.062483] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.067663] lowmem_reserve[]: 0 0 3503 3503 [ 354.072764] ? lock_downgrade+0x900/0x900 [ 354.077057] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 354.104379] ? trace_hardirqs_off+0xb8/0x310 [ 354.109184] lowmem_reserve[]: 0 0 0 0 [ 354.113510] ? trace_hardirqs_off+0xb8/0x310 [ 354.117622] 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 [ 354.146591] __alloc_pages_slowpath+0x26e8/0x2e10 [ 354.150962] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 354.154801] ? warn_alloc+0x120/0x120 [ 354.159161] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 354.173179] ? zap_class+0x640/0x640 [ 354.178007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 354.193677] ? warn_alloc+0x120/0x120 [ 354.197456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 354.212364] ? warn_alloc+0x120/0x120 [ 354.216052] 1671 total pagecache pages [ 354.224884] ? __lock_acquire+0x62f/0x4c20 [ 354.228665] 0 pages in swap cache [ 354.237311] ? print_usage_bug+0xc0/0xc0 [ 354.241086] Swap cache stats: add 0, delete 0, find 0/0 [ 354.244961] ? print_usage_bug+0xc0/0xc0 [ 354.249169] Free swap = 0kB [ 354.252620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.256644] Total swap = 0kB [ 354.256652] 1965979 pages RAM [ 354.262003] ? should_fail+0x22d/0xd01 [ 354.262019] ? find_held_lock+0x36/0x1c0 [ 354.266050] 0 pages HighMem/MovableOnly [ 354.269057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.274839] 342853 pages reserved [ 354.274847] 0 pages cma reserved [ 354.277860] ? __lock_acquire+0x62f/0x4c20 [ 354.281020] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 354.284816] ? should_fail+0x22d/0xd01 [ 354.288923] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.292815] ? check_preemption_disabled+0x48/0x280 [ 354.297889] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 354.301339] ? mark_held_locks+0x130/0x130 [ 354.343493] ? mark_held_locks+0x130/0x130 [ 354.347734] ? __lock_is_held+0xb5/0x140 [ 354.351799] ? zap_class+0x640/0x640 [ 354.355510] ? update_curr+0x344/0xbd0 [ 354.359396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.364934] ? check_preemption_disabled+0x48/0x280 [ 354.369954] ? __lock_is_held+0xb5/0x140 [ 354.374740] __alloc_pages_nodemask+0xa80/0xde0 [ 354.379411] ? zap_class+0x640/0x640 [ 354.383126] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 354.388147] ? find_held_lock+0x36/0x1c0 [ 354.392214] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.396881] ? lock_downgrade+0x900/0x900 [ 354.401033] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.406570] cache_grow_begin+0xa5/0x8c0 [ 354.410630] ? do_raw_spin_unlock+0xa7/0x330 [ 354.415041] fallback_alloc+0x204/0x2e0 [ 354.419021] ____cache_alloc_node+0x1c7/0x1e0 [ 354.423519] kmem_cache_alloc+0x1f8/0x730 [ 354.427676] skb_clone+0x1bb/0x500 [ 354.431220] ? skb_split+0x11e0/0x11e0 [ 354.435104] ? kasan_check_read+0x11/0x20 [ 354.439248] ? __schedule+0x168a/0x21d0 [ 354.443223] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.448326] ? lock_pin_lock+0x350/0x350 [ 354.452393] bpf_clone_redirect+0xb9/0x490 [ 354.456624] ? __schedule+0x168a/0x21d0 [ 354.460600] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 354.465613] ? __sched_text_start+0x8/0x8 [ 354.469759] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 354.475077] ? find_held_lock+0x36/0x1c0 [ 354.479148] ? lock_acquire+0x1ed/0x520 [ 354.483117] ? bpf_test_run+0x3cb/0x780 [ 354.487106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.492644] ? check_preemption_disabled+0x48/0x280 [ 354.497661] ? kasan_check_read+0x11/0x20 [ 354.501808] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.507083] ? rcu_softirq_qs+0x20/0x20 [ 354.511056] ? preempt_schedule+0x4d/0x60 [ 354.515203] ? ___preempt_schedule+0x16/0x18 [ 354.519617] ? bpf_test_run+0x25d/0x780 [ 354.523600] ? netlink_diag_dump+0x2a0/0x2a0 [ 354.528007] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.533540] ? bpf_test_init.isra.10+0x70/0x100 [ 354.538212] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 354.542975] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 354.547832] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.553444] ? fput+0x130/0x1a0 [ 354.556733] ? __bpf_prog_get+0x9b/0x290 [ 354.560792] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 354.565628] ? bpf_prog_test_run+0x130/0x1a0 [ 354.570041] ? __x64_sys_bpf+0x3d8/0x520 [ 354.574617] ? bpf_prog_get+0x20/0x20 [ 354.578432] ? do_syscall_64+0x1b9/0x820 [ 354.582497] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 354.587859] ? syscall_return_slowpath+0x5e0/0x5e0 [ 354.592783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.597623] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.602656] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 354.607672] ? prepare_exit_to_usermode+0x291/0x3b0 [ 354.612706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.617553] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.622930] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 354.623083] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.629707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.640256] syz-executor4 cpuset=syz4 mems_allowed=0 [ 354.649592] Call Trace: [ 354.657260] dump_stack+0x244/0x39d [ 354.660887] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.666099] warn_alloc.cold.116+0xb7/0x1bd [ 354.670422] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.675621] ? lock_downgrade+0x900/0x900 [ 354.679773] ? trace_hardirqs_off+0xb8/0x310 [ 354.684182] ? trace_hardirqs_off+0xb8/0x310 [ 354.688593] __alloc_pages_slowpath+0x26e8/0x2e10 [ 354.693455] ? warn_alloc+0x120/0x120 [ 354.697255] ? print_usage_bug+0xc0/0xc0 [ 354.701312] ? warn_alloc+0x120/0x120 [ 354.705111] ? warn_alloc+0x120/0x120 [ 354.708906] ? print_usage_bug+0xc0/0xc0 [ 354.712972] ? print_usage_bug+0xc0/0xc0 [ 354.717028] ? __lock_acquire+0x62f/0x4c20 [ 354.721262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.726798] ? should_fail+0x22d/0xd01 [ 354.730701] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.735798] ? __lock_acquire+0x62f/0x4c20 [ 354.740031] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.745126] ? __lock_acquire+0x62f/0x4c20 [ 354.749358] ? should_fail+0x22d/0xd01 [ 354.753240] ? find_held_lock+0x36/0x1c0 [ 354.757304] ? mark_held_locks+0x130/0x130 [ 354.761536] ? mark_held_locks+0x130/0x130 [ 354.765765] ? zap_class+0x640/0x640 [ 354.769479] ? mark_held_locks+0xc7/0x130 [ 354.773956] ? do_raw_spin_unlock+0xa7/0x330 [ 354.778480] ? zap_class+0x640/0x640 [ 354.782187] ? print_usage_bug+0xc0/0xc0 [ 354.786246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.791783] ? check_preemption_disabled+0x48/0x280 [ 354.796807] ? __lock_is_held+0xb5/0x140 [ 354.800872] __alloc_pages_nodemask+0xa80/0xde0 [ 354.805535] ? zap_class+0x640/0x640 [ 354.809248] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 354.814270] ? find_held_lock+0x36/0x1c0 [ 354.818334] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.822998] ? lock_downgrade+0x900/0x900 [ 354.827146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.832691] cache_grow_begin+0xa5/0x8c0 [ 354.836747] ? do_raw_spin_unlock+0xa7/0x330 [ 354.841158] fallback_alloc+0x204/0x2e0 [ 354.845137] ____cache_alloc_node+0x1c7/0x1e0 [ 354.849756] kmem_cache_alloc_node+0xe3/0x730 [ 354.854249] ? ipv6_get_ifaddr+0x42e/0x620 [ 354.858487] __alloc_skb+0x119/0x770 [ 354.862201] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.867477] ? netdev_alloc_frag+0x1f0/0x1f0 [ 354.872197] ? lock_downgrade+0x900/0x900 [ 354.876350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.881969] ? refcount_sub_and_test_checked+0x203/0x310 [ 354.887433] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 354.892879] ? addrconf_rs_timer+0x690/0x690 [ 354.897296] ndisc_alloc_skb+0x144/0x340 [ 354.901358] ndisc_send_rs+0x331/0x6e0 [ 354.905244] addrconf_rs_timer+0x314/0x690 [ 354.909479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.913723] call_timer_fn+0x272/0x920 [ 354.917605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.921833] ? process_timeout+0x40/0x40 [ 354.925896] ? __run_timers+0x7da/0xc70 [ 354.929867] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.934354] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.938841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.943070] ? lockdep_hardirqs_on+0x296/0x5b0 [ 354.947647] ? trace_hardirqs_on+0xbd/0x310 [ 354.952002] ? kasan_check_read+0x11/0x20 [ 354.956142] ? __run_timers+0x7da/0xc70 [ 354.960127] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.965230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.969465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.974019] __run_timers+0x7e5/0xc70 [ 354.977824] ? timer_fixup_init+0x70/0x70 [ 354.981967] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.986454] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.990949] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 354.995528] ? trace_hardirqs_on+0xbd/0x310 [ 354.999853] ? kasan_check_read+0x11/0x20 [ 355.004004] ? finish_task_switch+0x1f4/0x910 [ 355.008493] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.013590] ? compat_start_thread+0x80/0x80 [ 355.018331] ? pvclock_read_flags+0x160/0x160 [ 355.022821] ? __switch_to_asm+0x34/0x70 [ 355.026882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.032418] ? check_preemption_disabled+0x48/0x280 [ 355.037435] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 355.042970] ? rcu_pm_notify+0xc0/0xc0 [ 355.046853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.052387] ? check_preemption_disabled+0x48/0x280 [ 355.057403] run_timer_softirq+0x52/0xb0 [ 355.061461] ? rcu_read_lock_sched_held+0x14f/0x180 [ 355.066474] __do_softirq+0x308/0xb7e [ 355.070276] ? trace_hardirqs_on_caller+0xc0/0x310 [ 355.075480] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 355.080579] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.086031] ? schedule+0x108/0x460 [ 355.089671] ? trace_hardirqs_off+0xb8/0x310 [ 355.094086] ? smpboot_thread_fn+0x68b/0xa00 [ 355.098511] ? trace_hardirqs_on+0x310/0x310 [ 355.102920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.108972] ? check_preemption_disabled+0x48/0x280 [ 355.113989] ? takeover_tasklets+0xa90/0xa90 [ 355.118398] run_ksoftirqd+0x5e/0x100 [ 355.122208] smpboot_thread_fn+0x68b/0xa00 [ 355.126439] ? sort_range+0x30/0x30 [ 355.130061] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 355.135159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.140700] ? __kthread_parkme+0xfb/0x1a0 [ 355.144949] ? sort_range+0x30/0x30 [ 355.148573] kthread+0x35a/0x440 [ 355.151941] ? kthread_stop+0x900/0x900 [ 355.155916] ret_from_fork+0x3a/0x50 [ 355.159649] warn_alloc_show_mem: 1 callbacks suppressed [ 355.159667] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 355.159669] Mem-Info: [ 355.159698] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 355.159698] active_file:10 inactive_file:14 isolated_file:0 [ 355.159698] unevictable:0 dirty:0 writeback:0 unstable:0 [ 355.159698] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 355.159698] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 355.159698] free:13688 free_pcp:208 free_cma:0 [ 355.165040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.172614] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 355.175005] Call Trace: [ 355.208124] 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 [ 355.217476] dump_stack+0x244/0x39d [ 355.245121] lowmem_reserve[]: 0 2818 6321 6321 [ 355.247711] ? dump_stack_print_info.cold.1+0x20/0x20 [ 355.274065] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 355.277697] warn_alloc.cold.116+0xb7/0x1bd [ 355.282241] lowmem_reserve[]: 0 0 3503 3503 [ 355.287435] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.314730] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 355.319048] ? lock_downgrade+0x900/0x900 [ 355.323337] lowmem_reserve[]: 0 0 0 0 [ 355.328178] ? trace_hardirqs_off+0xb8/0x310 [ 355.357129] 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 [ 355.361271] ? trace_hardirqs_off+0xb8/0x310 [ 355.365054] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 355.369468] __alloc_pages_slowpath+0x26e8/0x2e10 [ 355.383260] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 355.387712] ? warn_alloc+0x120/0x120 [ 355.403359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 355.408188] ? zap_class+0x640/0x640 [ 355.423074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 355.426857] ? warn_alloc+0x120/0x120 [ 355.435666] 1671 total pagecache pages [ 355.439372] ? warn_alloc+0x120/0x120 [ 355.447925] 0 pages in swap cache [ 355.451708] ? __lock_acquire+0x62f/0x4c20 [ 355.455566] Swap cache stats: add 0, delete 0, find 0/0 [ 355.459353] ? print_usage_bug+0xc0/0xc0 [ 355.462791] Free swap = 0kB [ 355.467012] ? print_usage_bug+0xc0/0xc0 [ 355.472655] Total swap = 0kB [ 355.472663] 1965979 pages RAM [ 355.476739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.479724] 0 pages HighMem/MovableOnly [ 355.483769] ? should_fail+0x22d/0xd01 [ 355.486757] 342853 pages reserved [ 355.486764] 0 pages cma reserved [ 355.489869] ? find_held_lock+0x36/0x1c0 [ 355.495443] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 355.499361] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.499376] ? __lock_acquire+0x62f/0x4c20 [ 355.499399] ? should_fail+0x22d/0xd01 [ 355.503354] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.506702] ? __update_load_avg_blocked_se+0x690/0x690 [ 355.510043] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 355.514096] ? mark_held_locks+0x130/0x130 [ 355.558372] ? mark_held_locks+0x130/0x130 [ 355.562612] ? __lock_acquire+0x62f/0x4c20 [ 355.566854] ? update_load_avg+0x387/0x2470 [ 355.571931] ? zap_class+0x640/0x640 [ 355.575657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.581204] ? check_preemption_disabled+0x48/0x280 [ 355.586228] ? __lock_is_held+0xb5/0x140 [ 355.590289] __alloc_pages_nodemask+0xa80/0xde0 [ 355.594954] ? zap_class+0x640/0x640 [ 355.598669] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 355.603705] ? find_held_lock+0x36/0x1c0 [ 355.607786] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.612453] ? lock_downgrade+0x900/0x900 [ 355.616632] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.622192] cache_grow_begin+0xa5/0x8c0 [ 355.626250] ? do_raw_spin_unlock+0xa7/0x330 [ 355.630661] fallback_alloc+0x204/0x2e0 [ 355.634645] ____cache_alloc_node+0x1c7/0x1e0 [ 355.639145] kmem_cache_alloc+0x1f8/0x730 [ 355.643303] skb_clone+0x1bb/0x500 [ 355.646843] ? finish_task_switch+0x2f4/0x910 [ 355.651336] ? skb_split+0x11e0/0x11e0 [ 355.655226] ? preempt_notifier_register+0x200/0x200 [ 355.660325] ? __switch_to_asm+0x34/0x70 [ 355.664398] ? __switch_to_asm+0x34/0x70 [ 355.668452] ? __switch_to_asm+0x40/0x70 [ 355.673042] ? __switch_to_asm+0x34/0x70 [ 355.677096] ? __switch_to_asm+0x40/0x70 [ 355.681152] ? __switch_to_asm+0x34/0x70 [ 355.685223] ? __switch_to_asm+0x40/0x70 [ 355.689279] ? __switch_to_asm+0x34/0x70 [ 355.693336] ? __switch_to_asm+0x34/0x70 [ 355.697396] ? __switch_to_asm+0x40/0x70 [ 355.701452] ? __switch_to_asm+0x34/0x70 [ 355.705515] bpf_clone_redirect+0xb9/0x490 [ 355.709753] ? __schedule+0x8d7/0x21d0 [ 355.713645] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 355.718665] ? __sched_text_start+0x8/0x8 [ 355.722809] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 355.727571] ? find_held_lock+0x36/0x1c0 [ 355.731645] ? lock_acquire+0x1ed/0x520 [ 355.735706] ? bpf_test_run+0x3cb/0x780 [ 355.739792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.745328] ? check_preemption_disabled+0x48/0x280 [ 355.750350] ? kasan_check_read+0x11/0x20 [ 355.754498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.759771] ? rcu_softirq_qs+0x20/0x20 [ 355.763746] ? preempt_schedule+0x4d/0x60 [ 355.767890] ? ___preempt_schedule+0x16/0x18 [ 355.773049] ? bpf_test_run+0x25d/0x780 [ 355.777032] ? netlink_diag_dump+0x2a0/0x2a0 [ 355.781442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.786986] ? bpf_test_init.isra.10+0x70/0x100 [ 355.791661] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 355.796423] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 355.801265] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.806799] ? fput+0x130/0x1a0 [ 355.810078] ? __bpf_prog_get+0x9b/0x290 [ 355.814142] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 355.818992] ? bpf_prog_test_run+0x130/0x1a0 [ 355.823401] ? __x64_sys_bpf+0x3d8/0x520 [ 355.827460] ? bpf_prog_get+0x20/0x20 [ 355.831292] ? do_syscall_64+0x1b9/0x820 [ 355.835354] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 355.840715] ? syscall_return_slowpath+0x5e0/0x5e0 [ 355.845641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.850482] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.855497] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 355.860604] ? prepare_exit_to_usermode+0x291/0x3b0 [ 355.865630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.870475] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.876353] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 355.876468] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.883127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.893598] syz-executor4 cpuset=syz4 mems_allowed=0 [ 355.902934] Call Trace: [ 355.910604] dump_stack+0x244/0x39d [ 355.914251] ? dump_stack_print_info.cold.1+0x20/0x20 [ 355.919448] warn_alloc.cold.116+0xb7/0x1bd [ 355.923776] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.928622] ? lock_downgrade+0x900/0x900 [ 355.932774] ? trace_hardirqs_off+0xb8/0x310 [ 355.937185] ? trace_hardirqs_off+0xb8/0x310 [ 355.941602] __alloc_pages_slowpath+0x26e8/0x2e10 [ 355.947511] ? warn_alloc+0x120/0x120 [ 355.951308] ? print_usage_bug+0xc0/0xc0 [ 355.955367] ? warn_alloc+0x120/0x120 [ 355.959167] ? warn_alloc+0x120/0x120 [ 355.962966] ? print_usage_bug+0xc0/0xc0 [ 355.967026] ? print_usage_bug+0xc0/0xc0 [ 355.971392] ? __lock_acquire+0x62f/0x4c20 [ 355.975624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.981158] ? should_fail+0x22d/0xd01 [ 355.985044] ? __lock_acquire+0x62f/0x4c20 [ 355.989279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.994382] ? __lock_acquire+0x62f/0x4c20 [ 355.998618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.003716] ? __lock_acquire+0x62f/0x4c20 [ 356.007944] ? should_fail+0x22d/0xd01 [ 356.011843] ? mark_held_locks+0x130/0x130 [ 356.016078] ? mark_held_locks+0x130/0x130 [ 356.020311] ? lock_downgrade+0x900/0x900 [ 356.024544] ? zap_class+0x640/0x640 [ 356.028257] ? print_usage_bug+0xc0/0xc0 [ 356.032312] ? trace_hardirqs_off+0xb8/0x310 [ 356.036716] ? kasan_check_read+0x11/0x20 [ 356.041470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.047005] ? check_preemption_disabled+0x48/0x280 [ 356.052024] ? __lock_is_held+0xb5/0x140 [ 356.056090] __alloc_pages_nodemask+0xa80/0xde0 [ 356.060927] ? zap_class+0x640/0x640 [ 356.064644] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 356.069680] ? find_held_lock+0x36/0x1c0 [ 356.074089] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.078755] ? lock_downgrade+0x900/0x900 [ 356.082919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.088471] cache_grow_begin+0xa5/0x8c0 [ 356.092529] ? do_raw_spin_unlock+0xa7/0x330 [ 356.096940] fallback_alloc+0x204/0x2e0 [ 356.100920] ____cache_alloc_node+0x1c7/0x1e0 [ 356.105417] kmem_cache_alloc_node+0xe3/0x730 [ 356.109909] ? ipv6_get_ifaddr+0x42e/0x620 [ 356.114147] __alloc_skb+0x119/0x770 [ 356.117857] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.123132] ? netdev_alloc_frag+0x1f0/0x1f0 [ 356.127533] ? lock_downgrade+0x900/0x900 [ 356.131682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.137215] ? refcount_sub_and_test_checked+0x203/0x310 [ 356.142667] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 356.148113] ? addrconf_rs_timer+0x690/0x690 [ 356.152528] ndisc_alloc_skb+0x144/0x340 [ 356.156602] ndisc_send_rs+0x331/0x6e0 [ 356.160488] addrconf_rs_timer+0x314/0x690 [ 356.164722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.168963] call_timer_fn+0x272/0x920 [ 356.173126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.177356] ? process_timeout+0x40/0x40 [ 356.181417] ? __run_timers+0x7da/0xc70 [ 356.185390] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.189878] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.194369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.198597] ? lockdep_hardirqs_on+0x296/0x5b0 [ 356.203176] ? trace_hardirqs_on+0xbd/0x310 [ 356.207496] ? kasan_check_read+0x11/0x20 [ 356.211655] ? __run_timers+0x7da/0xc70 [ 356.215625] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.220733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.224974] __run_timers+0x7e5/0xc70 [ 356.228775] ? timer_fixup_init+0x70/0x70 [ 356.232918] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.237508] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.241997] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 356.246584] ? trace_hardirqs_on+0xbd/0x310 [ 356.250899] ? kasan_check_read+0x11/0x20 [ 356.255044] ? finish_task_switch+0x1f4/0x910 [ 356.259535] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.264638] ? compat_start_thread+0x80/0x80 [ 356.269060] ? pvclock_read_flags+0x160/0x160 [ 356.273897] ? __switch_to_asm+0x34/0x70 [ 356.277954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.283496] ? check_preemption_disabled+0x48/0x280 [ 356.288516] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 356.294050] ? rcu_pm_notify+0xc0/0xc0 [ 356.297936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.303469] ? check_preemption_disabled+0x48/0x280 [ 356.308486] run_timer_softirq+0x52/0xb0 [ 356.312569] ? rcu_read_lock_sched_held+0x14f/0x180 [ 356.317580] __do_softirq+0x308/0xb7e [ 356.321393] ? trace_hardirqs_on_caller+0xc0/0x310 [ 356.326334] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 356.331436] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.336887] ? schedule+0x108/0x460 [ 356.340523] ? trace_hardirqs_off+0xb8/0x310 [ 356.344931] ? smpboot_thread_fn+0x68b/0xa00 [ 356.349340] ? trace_hardirqs_on+0x310/0x310 [ 356.353748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.359284] ? check_preemption_disabled+0x48/0x280 [ 356.364297] ? takeover_tasklets+0xa90/0xa90 [ 356.368701] run_ksoftirqd+0x5e/0x100 [ 356.372845] smpboot_thread_fn+0x68b/0xa00 [ 356.377080] ? sort_range+0x30/0x30 [ 356.380701] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.385799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.391341] ? __kthread_parkme+0xfb/0x1a0 [ 356.395580] ? sort_range+0x30/0x30 [ 356.399203] kthread+0x35a/0x440 [ 356.402570] ? kthread_stop+0x900/0x900 [ 356.406553] ret_from_fork+0x3a/0x50 [ 356.410274] warn_alloc_show_mem: 1 callbacks suppressed [ 356.410285] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 356.410286] Mem-Info: [ 356.410317] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 356.410317] active_file:10 inactive_file:14 isolated_file:0 [ 356.410317] unevictable:0 dirty:0 writeback:0 unstable:0 [ 356.410317] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 356.410317] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 356.410317] free:13688 free_pcp:208 free_cma:0 [ 356.415653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.415661] Call Trace: [ 356.422941] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 356.425346] dump_stack+0x244/0x39d [ 356.458380] 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 [ 356.467737] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.470290] lowmem_reserve[]: 0 2818 6321 6321 [ 356.498686] warn_alloc.cold.116+0xb7/0x1bd [ 356.502276] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 356.528381] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.533541] lowmem_reserve[]: 0 0 3503 3503 [ 356.538142] ? lock_downgrade+0x900/0x900 [ 356.542435] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 356.569756] ? trace_hardirqs_off+0xb8/0x310 [ 356.574909] lowmem_reserve[]: 0 0 0 0 [ 356.579238] ? trace_hardirqs_off+0xb8/0x310 [ 356.583354] 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 [ 356.612325] __alloc_pages_slowpath+0x26e8/0x2e10 [ 356.616699] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 356.620535] ? warn_alloc+0x120/0x120 [ 356.624882] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 356.638405] ? zap_class+0x640/0x640 [ 356.643226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 356.658899] ? warn_alloc+0x120/0x120 [ 356.662675] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 356.678099] ? warn_alloc+0x120/0x120 [ 356.681795] 1671 total pagecache pages [ 356.690621] ? __lock_acquire+0x62f/0x4c20 [ 356.690638] ? print_usage_bug+0xc0/0xc0 [ 356.694418] 0 pages in swap cache [ 356.702989] ? print_usage_bug+0xc0/0xc0 [ 356.706782] Swap cache stats: add 0, delete 0, find 0/0 [ 356.710663] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.714866] Free swap = 0kB [ 356.718912] ? should_fail+0x22d/0xd01 [ 356.722334] Total swap = 0kB [ 356.726381] ? find_held_lock+0x36/0x1c0 [ 356.731720] 1965979 pages RAM [ 356.737260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.740338] 0 pages HighMem/MovableOnly [ 356.744225] ? __lock_acquire+0x62f/0x4c20 [ 356.747214] 342853 pages reserved [ 356.747221] 0 pages cma reserved [ 356.751275] ? should_fail+0x22d/0xd01 [ 356.754410] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.759612] ? __update_load_avg_blocked_se+0x690/0x690 [ 356.759640] ? mark_held_locks+0x130/0x130 [ 356.763637] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.767813] ? mark_held_locks+0x130/0x130 [ 356.771590] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 356.774945] ? __lock_is_held+0xb5/0x140 [ 356.818059] ? zap_class+0x640/0x640 [ 356.821771] ? update_curr+0x344/0xbd0 [ 356.825663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.831199] ? check_preemption_disabled+0x48/0x280 [ 356.836222] ? __lock_is_held+0xb5/0x140 [ 356.840293] __alloc_pages_nodemask+0xa80/0xde0 [ 356.844961] ? zap_class+0x640/0x640 [ 356.848677] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 356.853925] ? find_held_lock+0x36/0x1c0 [ 356.857997] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.862667] ? lock_downgrade+0x900/0x900 [ 356.866821] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.873122] cache_grow_begin+0xa5/0x8c0 [ 356.877182] ? do_raw_spin_unlock+0xa7/0x330 [ 356.881593] fallback_alloc+0x204/0x2e0 [ 356.885584] ____cache_alloc_node+0x1c7/0x1e0 [ 356.890080] kmem_cache_alloc+0x1f8/0x730 [ 356.894239] skb_clone+0x1bb/0x500 [ 356.897790] ? skb_split+0x11e0/0x11e0 [ 356.901677] ? kasan_check_read+0x11/0x20 [ 356.905824] ? __schedule+0x168a/0x21d0 [ 356.909796] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.914895] ? lock_pin_lock+0x350/0x350 [ 356.918961] bpf_clone_redirect+0xb9/0x490 [ 356.923209] ? __schedule+0x168a/0x21d0 [ 356.927186] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 356.932199] ? __sched_text_start+0x8/0x8 [ 356.936347] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 356.941114] ? find_held_lock+0x36/0x1c0 [ 356.945180] ? lock_acquire+0x1ed/0x520 [ 356.949155] ? bpf_test_run+0x3cb/0x780 [ 356.953129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.958666] ? check_preemption_disabled+0x48/0x280 [ 356.963687] ? kasan_check_read+0x11/0x20 [ 356.967832] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.973632] ? rcu_softirq_qs+0x20/0x20 [ 356.977607] ? preempt_schedule+0x4d/0x60 [ 356.981753] ? ___preempt_schedule+0x16/0x18 [ 356.986164] ? bpf_test_run+0x25d/0x780 [ 356.990155] ? netlink_diag_dump+0x2a0/0x2a0 [ 356.994564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.000097] ? bpf_test_init.isra.10+0x70/0x100 [ 357.004771] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 357.009535] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 357.014371] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 357.020447] ? fput+0x130/0x1a0 [ 357.023727] ? __bpf_prog_get+0x9b/0x290 [ 357.027791] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 357.032628] ? bpf_prog_test_run+0x130/0x1a0 [ 357.037040] ? __x64_sys_bpf+0x3d8/0x520 [ 357.041357] ? bpf_prog_get+0x20/0x20 [ 357.045177] ? do_syscall_64+0x1b9/0x820 [ 357.049233] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 357.054597] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.059523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.064364] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.069385] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 357.075094] ? prepare_exit_to_usermode+0x291/0x3b0 [ 357.080110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.084957] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.090337] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 357.090448] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 357.097092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.107554] syz-executor4 cpuset=syz4 mems_allowed=0 [ 357.116907] Call Trace: [ 357.124582] dump_stack+0x244/0x39d [ 357.128209] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.133418] warn_alloc.cold.116+0xb7/0x1bd [ 357.137742] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.142587] ? lock_downgrade+0x900/0x900 [ 357.146742] ? trace_hardirqs_off+0xb8/0x310 [ 357.151154] ? trace_hardirqs_off+0xb8/0x310 [ 357.155564] __alloc_pages_slowpath+0x26e8/0x2e10 [ 357.160428] ? warn_alloc+0x120/0x120 [ 357.164225] ? print_usage_bug+0xc0/0xc0 [ 357.168281] ? warn_alloc+0x120/0x120 [ 357.172433] ? warn_alloc+0x120/0x120 [ 357.176234] ? print_usage_bug+0xc0/0xc0 [ 357.180294] ? print_usage_bug+0xc0/0xc0 [ 357.184350] ? __lock_acquire+0x62f/0x4c20 [ 357.188586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.194117] ? should_fail+0x22d/0xd01 [ 357.198004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.203104] ? __lock_acquire+0x62f/0x4c20 [ 357.207338] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.212434] ? __lock_acquire+0x62f/0x4c20 [ 357.216660] ? should_fail+0x22d/0xd01 [ 357.220560] ? find_held_lock+0x36/0x1c0 [ 357.224629] ? mark_held_locks+0x130/0x130 [ 357.228865] ? mark_held_locks+0x130/0x130 [ 357.233095] ? zap_class+0x640/0x640 [ 357.236805] ? zap_class+0x640/0x640 [ 357.240520] ? print_usage_bug+0xc0/0xc0 [ 357.244576] ? do_raw_spin_unlock+0xa7/0x330 [ 357.248979] ? zap_class+0x640/0x640 [ 357.252689] ? print_usage_bug+0xc0/0xc0 [ 357.256746] ? wq_watchdog_touch+0x9c/0xfe [ 357.260978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.266534] ? check_preemption_disabled+0x48/0x280 [ 357.271919] ? __lock_is_held+0xb5/0x140 [ 357.275979] __alloc_pages_nodemask+0xa80/0xde0 [ 357.280645] ? zap_class+0x640/0x640 [ 357.284358] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 357.289391] ? find_held_lock+0x36/0x1c0 [ 357.293468] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.298133] ? lock_downgrade+0x900/0x900 [ 357.302280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.307816] cache_grow_begin+0xa5/0x8c0 [ 357.311871] ? do_raw_spin_unlock+0xa7/0x330 [ 357.316282] fallback_alloc+0x204/0x2e0 [ 357.320273] ____cache_alloc_node+0x1c7/0x1e0 [ 357.324772] kmem_cache_alloc_node+0xe3/0x730 [ 357.329266] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.333510] __alloc_skb+0x119/0x770 [ 357.337218] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.342497] ? netdev_alloc_frag+0x1f0/0x1f0 [ 357.346916] ? lock_downgrade+0x900/0x900 [ 357.351067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.356599] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.362051] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.367500] ? addrconf_rs_timer+0x690/0x690 [ 357.372253] ndisc_alloc_skb+0x144/0x340 [ 357.376314] ndisc_send_rs+0x331/0x6e0 [ 357.380199] addrconf_rs_timer+0x314/0x690 [ 357.384432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.388675] call_timer_fn+0x272/0x920 [ 357.392557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.396801] ? process_timeout+0x40/0x40 [ 357.400861] ? __run_timers+0x7da/0xc70 [ 357.404833] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.409331] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.413819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.418048] ? lockdep_hardirqs_on+0x296/0x5b0 [ 357.422628] ? trace_hardirqs_on+0xbd/0x310 [ 357.426943] ? kasan_check_read+0x11/0x20 [ 357.431084] ? __run_timers+0x7da/0xc70 [ 357.435053] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.440155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.444391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.448617] __run_timers+0x7e5/0xc70 [ 357.452422] ? timer_fixup_init+0x70/0x70 [ 357.456566] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.461054] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.465557] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 357.470148] ? trace_hardirqs_on+0xbd/0x310 [ 357.474755] ? kasan_check_read+0x11/0x20 [ 357.478902] ? finish_task_switch+0x1f4/0x910 [ 357.483391] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.488487] ? compat_start_thread+0x80/0x80 [ 357.492909] ? pvclock_read_flags+0x160/0x160 [ 357.497398] ? __switch_to_asm+0x34/0x70 [ 357.501463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.506994] ? check_preemption_disabled+0x48/0x280 [ 357.512025] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 357.517574] ? rcu_pm_notify+0xc0/0xc0 [ 357.521466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.526999] ? check_preemption_disabled+0x48/0x280 [ 357.532012] run_timer_softirq+0x52/0xb0 [ 357.536067] ? rcu_read_lock_sched_held+0x14f/0x180 [ 357.541076] __do_softirq+0x308/0xb7e [ 357.544878] ? trace_hardirqs_on_caller+0xc0/0x310 [ 357.549806] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 357.554901] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.560367] ? schedule+0x108/0x460 [ 357.563998] ? trace_hardirqs_off+0xb8/0x310 [ 357.568404] ? smpboot_thread_fn+0x68b/0xa00 [ 357.573081] ? trace_hardirqs_on+0x310/0x310 [ 357.577499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.585896] ? check_preemption_disabled+0x48/0x280 [ 357.590910] ? takeover_tasklets+0xa90/0xa90 [ 357.595318] run_ksoftirqd+0x5e/0x100 [ 357.599112] smpboot_thread_fn+0x68b/0xa00 [ 357.603345] ? sort_range+0x30/0x30 [ 357.606969] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 357.612069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.617649] ? __kthread_parkme+0xfb/0x1a0 [ 357.621896] ? sort_range+0x30/0x30 [ 357.625524] kthread+0x35a/0x440 [ 357.628886] ? kthread_stop+0x900/0x900 [ 357.632855] ret_from_fork+0x3a/0x50 [ 357.636582] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 357.636587] warn_alloc_show_mem: 1 callbacks suppressed [ 357.636594] Mem-Info: [ 357.643857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.649223] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 357.649223] active_file:10 inactive_file:14 isolated_file:0 [ 357.649223] unevictable:0 dirty:0 writeback:0 unstable:0 [ 357.649223] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 357.649223] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 357.649223] free:13688 free_pcp:208 free_cma:0 [ 357.651594] Call Trace: [ 357.660967] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 357.694514] dump_stack+0x244/0x39d [ 357.697089] 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 [ 357.724841] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.728444] lowmem_reserve[]: 0 2818 6321 6321 [ 357.754555] warn_alloc.cold.116+0xb7/0x1bd [ 357.759709] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 357.764284] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.768575] lowmem_reserve[]: 0 0 3503 3503 [ 357.796393] ? lock_downgrade+0x900/0x900 [ 357.801206] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 357.805528] ? trace_hardirqs_off+0xb8/0x310 [ 357.809651] lowmem_reserve[]: 0 0 0 0 [ 357.838647] ? trace_hardirqs_off+0xb8/0x310 [ 357.843025] 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 [ 357.846823] __alloc_pages_slowpath+0x26e8/0x2e10 [ 357.851202] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 357.864740] ? warn_alloc+0x120/0x120 [ 357.869533] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 357.885961] ? zap_class+0x640/0x640 [ 357.889742] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 357.904640] ? warn_alloc+0x120/0x120 [ 357.908331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 357.917150] ? warn_alloc+0x120/0x120 [ 357.920924] 1671 total pagecache pages [ 357.929487] ? __lock_acquire+0x62f/0x4c20 [ 357.933265] 0 pages in swap cache [ 357.937137] ? print_usage_bug+0xc0/0xc0 [ 357.941345] Swap cache stats: add 0, delete 0, find 0/0 [ 357.944798] ? print_usage_bug+0xc0/0xc0 [ 357.948828] Free swap = 0kB [ 357.954188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.958212] Total swap = 0kB [ 357.961220] ? should_fail+0x22d/0xd01 [ 357.966751] 1965979 pages RAM [ 357.969758] ? find_held_lock+0x36/0x1c0 [ 357.973907] 0 pages HighMem/MovableOnly [ 357.973916] 342853 pages reserved [ 357.977013] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.981039] 0 pages cma reserved [ 357.981110] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 357.985013] ? __lock_acquire+0x62f/0x4c20 [ 357.988513] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 357.993536] ? should_fail+0x22d/0xd01 [ 357.996874] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 358.003354] ? __update_load_avg_blocked_se+0x690/0x690 [ 358.031745] ? mark_held_locks+0x130/0x130 [ 358.035979] ? mark_held_locks+0x130/0x130 [ 358.040211] ? __lock_is_held+0xb5/0x140 [ 358.044281] ? zap_class+0x640/0x640 [ 358.047989] ? update_curr+0x344/0xbd0 [ 358.051880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.057424] ? check_preemption_disabled+0x48/0x280 [ 358.062450] ? __lock_is_held+0xb5/0x140 [ 358.066628] __alloc_pages_nodemask+0xa80/0xde0 [ 358.072056] ? zap_class+0x640/0x640 [ 358.075774] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 358.080797] ? find_held_lock+0x36/0x1c0 [ 358.084864] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.089531] ? lock_downgrade+0x900/0x900 [ 358.093689] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.099226] cache_grow_begin+0xa5/0x8c0 [ 358.103285] ? do_raw_spin_unlock+0xa7/0x330 [ 358.107695] fallback_alloc+0x204/0x2e0 [ 358.111674] ____cache_alloc_node+0x1c7/0x1e0 [ 358.116172] kmem_cache_alloc+0x1f8/0x730 [ 358.120328] skb_clone+0x1bb/0x500 [ 358.123869] ? skb_split+0x11e0/0x11e0 [ 358.127754] ? kasan_check_read+0x11/0x20 [ 358.131899] ? __schedule+0x168a/0x21d0 [ 358.135870] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.140970] ? lock_pin_lock+0x350/0x350 [ 358.145039] bpf_clone_redirect+0xb9/0x490 [ 358.149269] ? __schedule+0x168a/0x21d0 [ 358.153243] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 358.158255] ? __sched_text_start+0x8/0x8 [ 358.162403] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 358.167168] ? find_held_lock+0x36/0x1c0 [ 358.171973] ? lock_acquire+0x1ed/0x520 [ 358.176028] ? bpf_test_run+0x3cb/0x780 [ 358.179999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.185532] ? check_preemption_disabled+0x48/0x280 [ 358.190553] ? kasan_check_read+0x11/0x20 [ 358.194699] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.199971] ? rcu_softirq_qs+0x20/0x20 [ 358.203942] ? preempt_schedule+0x4d/0x60 [ 358.208086] ? ___preempt_schedule+0x16/0x18 [ 358.212497] ? bpf_test_run+0x25d/0x780 [ 358.216482] ? netlink_diag_dump+0x2a0/0x2a0 [ 358.220894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.226432] ? bpf_test_init.isra.10+0x70/0x100 [ 358.231103] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 358.235867] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 358.240706] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.246241] ? fput+0x130/0x1a0 [ 358.249519] ? __bpf_prog_get+0x9b/0x290 [ 358.253582] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 358.258419] ? bpf_prog_test_run+0x130/0x1a0 [ 358.262827] ? __x64_sys_bpf+0x3d8/0x520 [ 358.266889] ? bpf_prog_get+0x20/0x20 [ 358.271438] ? do_syscall_64+0x1b9/0x820 [ 358.275496] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 358.280873] ? syscall_return_slowpath+0x5e0/0x5e0 [ 358.285797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.290639] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.295655] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 358.300670] ? prepare_exit_to_usermode+0x291/0x3b0 [ 358.305687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.310534] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.315929] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 358.316035] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.322688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.333152] syz-executor4 cpuset=syz4 mems_allowed=0 [ 358.342832] Call Trace: [ 358.342852] dump_stack+0x244/0x39d [ 358.354133] ? dump_stack_print_info.cold.1+0x20/0x20 [ 358.359330] warn_alloc.cold.116+0xb7/0x1bd [ 358.363665] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.368507] ? lock_downgrade+0x900/0x900 [ 358.372940] ? trace_hardirqs_off+0xb8/0x310 [ 358.377349] ? trace_hardirqs_off+0xb8/0x310 [ 358.381765] __alloc_pages_slowpath+0x26e8/0x2e10 [ 358.386635] ? warn_alloc+0x120/0x120 [ 358.390433] ? print_usage_bug+0xc0/0xc0 [ 358.394489] ? warn_alloc+0x120/0x120 [ 358.398288] ? warn_alloc+0x120/0x120 [ 358.402093] ? print_usage_bug+0xc0/0xc0 [ 358.406150] ? print_usage_bug+0xc0/0xc0 [ 358.410208] ? __lock_acquire+0x62f/0x4c20 [ 358.414442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.419989] ? should_fail+0x22d/0xd01 [ 358.423878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.428986] ? __lock_acquire+0x62f/0x4c20 [ 358.433220] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.438316] ? __lock_acquire+0x62f/0x4c20 [ 358.442641] ? should_fail+0x22d/0xd01 [ 358.446527] ? find_held_lock+0x36/0x1c0 [ 358.450590] ? mark_held_locks+0x130/0x130 [ 358.454828] ? mark_held_locks+0x130/0x130 [ 358.459054] ? zap_class+0x640/0x640 [ 358.462765] ? mark_held_locks+0xc7/0x130 [ 358.466906] ? do_raw_spin_unlock+0xa7/0x330 [ 358.471667] ? zap_class+0x640/0x640 [ 358.475385] ? print_usage_bug+0xc0/0xc0 [ 358.479456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.484987] ? check_preemption_disabled+0x48/0x280 [ 358.490025] ? __lock_is_held+0xb5/0x140 [ 358.494085] __alloc_pages_nodemask+0xa80/0xde0 [ 358.498754] ? zap_class+0x640/0x640 [ 358.502466] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 358.507486] ? find_held_lock+0x36/0x1c0 [ 358.511548] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.516211] ? lock_downgrade+0x900/0x900 [ 358.520377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.525914] cache_grow_begin+0xa5/0x8c0 [ 358.529970] ? do_raw_spin_unlock+0xa7/0x330 [ 358.534389] fallback_alloc+0x204/0x2e0 [ 358.538375] ____cache_alloc_node+0x1c7/0x1e0 [ 358.542868] kmem_cache_alloc_node+0xe3/0x730 [ 358.547365] ? ipv6_get_ifaddr+0x42e/0x620 [ 358.551604] __alloc_skb+0x119/0x770 [ 358.555317] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.560692] ? netdev_alloc_frag+0x1f0/0x1f0 [ 358.565093] ? lock_downgrade+0x900/0x900 [ 358.569243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.575079] ? refcount_sub_and_test_checked+0x203/0x310 [ 358.580535] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 358.586003] ? addrconf_rs_timer+0x690/0x690 [ 358.590417] ndisc_alloc_skb+0x144/0x340 [ 358.594476] ndisc_send_rs+0x331/0x6e0 [ 358.598537] addrconf_rs_timer+0x314/0x690 [ 358.602770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.607010] call_timer_fn+0x272/0x920 [ 358.610892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.615120] ? process_timeout+0x40/0x40 [ 358.619183] ? __run_timers+0x7da/0xc70 [ 358.623156] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.627656] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.632157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.636475] ? lockdep_hardirqs_on+0x296/0x5b0 [ 358.641053] ? trace_hardirqs_on+0xbd/0x310 [ 358.645382] ? kasan_check_read+0x11/0x20 [ 358.649527] ? __run_timers+0x7da/0xc70 [ 358.653502] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.658607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.662843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.667070] __run_timers+0x7e5/0xc70 [ 358.671160] ? timer_fixup_init+0x70/0x70 [ 358.675303] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.679792] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.684282] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 358.688874] ? trace_hardirqs_on+0xbd/0x310 [ 358.693193] ? kasan_check_read+0x11/0x20 [ 358.697336] ? finish_task_switch+0x1f4/0x910 [ 358.701838] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.706933] ? compat_start_thread+0x80/0x80 [ 358.711374] ? pvclock_read_flags+0x160/0x160 [ 358.715865] ? __switch_to_asm+0x34/0x70 [ 358.719933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.725464] ? check_preemption_disabled+0x48/0x280 [ 358.730499] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 358.736035] ? rcu_pm_notify+0xc0/0xc0 [ 358.739917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.745450] ? check_preemption_disabled+0x48/0x280 [ 358.750480] run_timer_softirq+0x52/0xb0 [ 358.754537] ? rcu_read_lock_sched_held+0x14f/0x180 [ 358.759550] __do_softirq+0x308/0xb7e [ 358.763356] ? trace_hardirqs_on_caller+0xc0/0x310 [ 358.768284] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 358.773673] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 358.779127] ? schedule+0x108/0x460 [ 358.782758] ? trace_hardirqs_off+0xb8/0x310 [ 358.787160] ? smpboot_thread_fn+0x68b/0xa00 [ 358.791566] ? trace_hardirqs_on+0x310/0x310 [ 358.795977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.801510] ? check_preemption_disabled+0x48/0x280 [ 358.806520] ? takeover_tasklets+0xa90/0xa90 [ 358.810940] run_ksoftirqd+0x5e/0x100 [ 358.814735] smpboot_thread_fn+0x68b/0xa00 [ 358.818967] ? sort_range+0x30/0x30 [ 358.822593] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 358.827691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.833222] ? __kthread_parkme+0xfb/0x1a0 [ 358.837456] ? sort_range+0x30/0x30 [ 358.841079] kthread+0x35a/0x440 [ 358.844443] ? kthread_stop+0x900/0x900 [ 358.848416] ret_from_fork+0x3a/0x50 [ 358.852366] warn_alloc_show_mem: 1 callbacks suppressed [ 358.852377] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 358.852379] Mem-Info: [ 358.852411] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 358.852411] active_file:10 inactive_file:14 isolated_file:0 [ 358.852411] unevictable:0 dirty:0 writeback:0 unstable:0 [ 358.852411] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 358.852411] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 358.852411] free:13688 free_pcp:208 free_cma:0 [ 358.857741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.865014] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 358.867406] Call Trace: [ 358.900747] 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 [ 358.910099] dump_stack+0x244/0x39d [ 358.937731] lowmem_reserve[]: 0 2818 6321 6321 [ 358.940315] ? dump_stack_print_info.cold.1+0x20/0x20 [ 358.966399] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 358.970027] warn_alloc.cold.116+0xb7/0x1bd [ 358.974872] lowmem_reserve[]: 0 0 3503 3503 [ 358.980063] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.007358] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 359.011674] ? lock_downgrade+0x900/0x900 [ 359.015960] lowmem_reserve[]: 0 0 0 0 [ 359.021318] ? trace_hardirqs_off+0xb8/0x310 [ 359.050261] 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 [ 359.054403] ? trace_hardirqs_off+0xb8/0x310 [ 359.058168] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 359.062576] __alloc_pages_slowpath+0x26e8/0x2e10 [ 359.076434] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 359.080866] ? warn_alloc+0x120/0x120 [ 359.096531] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 359.101370] ? zap_class+0x640/0x640 [ 359.116270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 359.120051] ? warn_alloc+0x120/0x120 [ 359.129035] 1671 total pagecache pages [ 359.133696] ? warn_alloc+0x120/0x120 [ 359.142247] 0 pages in swap cache [ 359.146030] ? __lock_acquire+0x62f/0x4c20 [ 359.149890] Swap cache stats: add 0, delete 0, find 0/0 [ 359.153676] ? print_usage_bug+0xc0/0xc0 [ 359.157101] Free swap = 0kB [ 359.161329] ? print_usage_bug+0xc0/0xc0 [ 359.166660] Total swap = 0kB [ 359.170721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.173979] 1965979 pages RAM [ 359.178029] ? should_fail+0x22d/0xd01 [ 359.181015] 0 pages HighMem/MovableOnly [ 359.181023] 342853 pages reserved [ 359.186560] ? find_held_lock+0x36/0x1c0 [ 359.189654] 0 pages cma reserved [ 359.193532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.197551] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 359.200935] ? __lock_acquire+0x62f/0x4c20 [ 359.205019] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.208332] ? should_fail+0x22d/0xd01 [ 359.213406] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 359.219884] ? __update_load_avg_blocked_se+0x690/0x690 [ 359.248261] ? mark_held_locks+0x130/0x130 [ 359.252504] ? mark_held_locks+0x130/0x130 [ 359.256731] ? __lock_is_held+0xb5/0x140 [ 359.260798] ? zap_class+0x640/0x640 [ 359.264504] ? update_curr+0x344/0xbd0 [ 359.268388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.274476] ? check_preemption_disabled+0x48/0x280 [ 359.279500] ? __lock_is_held+0xb5/0x140 [ 359.283563] __alloc_pages_nodemask+0xa80/0xde0 [ 359.288229] ? zap_class+0x640/0x640 [ 359.291946] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 359.296966] ? find_held_lock+0x36/0x1c0 [ 359.301033] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.305704] ? lock_downgrade+0x900/0x900 [ 359.309858] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 359.315397] cache_grow_begin+0xa5/0x8c0 [ 359.319452] ? do_raw_spin_unlock+0xa7/0x330 [ 359.323860] fallback_alloc+0x204/0x2e0 [ 359.327835] ____cache_alloc_node+0x1c7/0x1e0 [ 359.332334] kmem_cache_alloc+0x1f8/0x730 [ 359.336516] skb_clone+0x1bb/0x500 [ 359.340075] ? skb_split+0x11e0/0x11e0 [ 359.343959] ? kasan_check_read+0x11/0x20 [ 359.348103] ? __schedule+0x168a/0x21d0 [ 359.352076] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.357174] ? lock_pin_lock+0x350/0x350 [ 359.361238] bpf_clone_redirect+0xb9/0x490 [ 359.365467] ? __schedule+0x168a/0x21d0 [ 359.369443] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 359.375157] ? __sched_text_start+0x8/0x8 [ 359.379324] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 359.384101] ? find_held_lock+0x36/0x1c0 [ 359.388168] ? lock_acquire+0x1ed/0x520 [ 359.392138] ? bpf_test_run+0x3cb/0x780 [ 359.396112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.401646] ? check_preemption_disabled+0x48/0x280 [ 359.406678] ? kasan_check_read+0x11/0x20 [ 359.410821] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.416094] ? rcu_softirq_qs+0x20/0x20 [ 359.420065] ? preempt_schedule+0x4d/0x60 [ 359.424208] ? ___preempt_schedule+0x16/0x18 [ 359.428618] ? bpf_test_run+0x25d/0x780 [ 359.432597] ? netlink_diag_dump+0x2a0/0x2a0 [ 359.437009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.442546] ? bpf_test_init.isra.10+0x70/0x100 [ 359.447216] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 359.451977] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 359.456836] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 359.462382] ? fput+0x130/0x1a0 [ 359.465657] ? __bpf_prog_get+0x9b/0x290 [ 359.469717] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 359.475059] ? bpf_prog_test_run+0x130/0x1a0 [ 359.479463] ? __x64_sys_bpf+0x3d8/0x520 [ 359.483520] ? bpf_prog_get+0x20/0x20 [ 359.487354] ? do_syscall_64+0x1b9/0x820 [ 359.491409] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 359.496873] ? syscall_return_slowpath+0x5e0/0x5e0 [ 359.501801] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.506640] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.511671] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 359.516688] ? prepare_exit_to_usermode+0x291/0x3b0 [ 359.521707] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.526554] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.531936] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 359.532047] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.538688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.549152] syz-executor4 cpuset=syz4 mems_allowed=0 [ 359.558487] Call Trace: [ 359.566146] dump_stack+0x244/0x39d [ 359.569773] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.575291] warn_alloc.cold.116+0xb7/0x1bd [ 359.579612] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.584455] ? lock_downgrade+0x900/0x900 [ 359.588691] ? trace_hardirqs_off+0xb8/0x310 [ 359.593103] ? trace_hardirqs_off+0xb8/0x310 [ 359.597514] __alloc_pages_slowpath+0x26e8/0x2e10 [ 359.602409] ? warn_alloc+0x120/0x120 [ 359.606205] ? print_usage_bug+0xc0/0xc0 [ 359.610272] ? warn_alloc+0x120/0x120 [ 359.614068] ? warn_alloc+0x120/0x120 [ 359.617867] ? print_usage_bug+0xc0/0xc0 [ 359.621930] ? print_usage_bug+0xc0/0xc0 [ 359.625987] ? __lock_acquire+0x62f/0x4c20 [ 359.630223] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.635754] ? should_fail+0x22d/0xd01 [ 359.639642] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.644740] ? __lock_acquire+0x62f/0x4c20 [ 359.648972] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.654068] ? __lock_acquire+0x62f/0x4c20 [ 359.658296] ? should_fail+0x22d/0xd01 [ 359.662177] ? find_held_lock+0x36/0x1c0 [ 359.666242] ? mark_held_locks+0x130/0x130 [ 359.670482] ? mark_held_locks+0x130/0x130 [ 359.675071] ? zap_class+0x640/0x640 [ 359.678782] ? zap_class+0x640/0x640 [ 359.682492] ? print_usage_bug+0xc0/0xc0 [ 359.686553] ? do_raw_spin_unlock+0xa7/0x330 [ 359.690958] ? zap_class+0x640/0x640 [ 359.694670] ? print_usage_bug+0xc0/0xc0 [ 359.698723] ? wq_watchdog_touch+0x9c/0xfe [ 359.702953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.708487] ? check_preemption_disabled+0x48/0x280 [ 359.713512] ? __lock_is_held+0xb5/0x140 [ 359.717573] __alloc_pages_nodemask+0xa80/0xde0 [ 359.722239] ? zap_class+0x640/0x640 [ 359.725962] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 359.730982] ? find_held_lock+0x36/0x1c0 [ 359.735047] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.739714] ? lock_downgrade+0x900/0x900 [ 359.743865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.749401] cache_grow_begin+0xa5/0x8c0 [ 359.753462] ? do_raw_spin_unlock+0xa7/0x330 [ 359.757871] fallback_alloc+0x204/0x2e0 [ 359.761846] ____cache_alloc_node+0x1c7/0x1e0 [ 359.766361] kmem_cache_alloc_node+0xe3/0x730 [ 359.771057] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.775292] __alloc_skb+0x119/0x770 [ 359.778999] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.784282] ? netdev_alloc_frag+0x1f0/0x1f0 [ 359.788701] ? lock_downgrade+0x900/0x900 [ 359.792850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.798383] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.803833] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.809283] ? addrconf_rs_timer+0x690/0x690 [ 359.813697] ndisc_alloc_skb+0x144/0x340 [ 359.817759] ndisc_send_rs+0x331/0x6e0 [ 359.821730] addrconf_rs_timer+0x314/0x690 [ 359.825962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.830204] call_timer_fn+0x272/0x920 [ 359.834096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.838343] ? process_timeout+0x40/0x40 [ 359.842420] ? __run_timers+0x7da/0xc70 [ 359.846396] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.850885] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.855374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.859611] ? lockdep_hardirqs_on+0x296/0x5b0 [ 359.864193] ? trace_hardirqs_on+0xbd/0x310 [ 359.868525] ? kasan_check_read+0x11/0x20 [ 359.872969] ? __run_timers+0x7da/0xc70 [ 359.876939] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.882040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.886281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.890514] __run_timers+0x7e5/0xc70 [ 359.894320] ? timer_fixup_init+0x70/0x70 [ 359.898463] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.902958] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.907455] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 359.912038] ? trace_hardirqs_on+0xbd/0x310 [ 359.916370] ? kasan_check_read+0x11/0x20 [ 359.920519] ? finish_task_switch+0x1f4/0x910 [ 359.925794] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.930896] ? compat_start_thread+0x80/0x80 [ 359.935316] ? pvclock_read_flags+0x160/0x160 [ 359.939806] ? __switch_to_asm+0x34/0x70 [ 359.943865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.949400] ? check_preemption_disabled+0x48/0x280 [ 359.954420] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 359.959956] ? rcu_pm_notify+0xc0/0xc0 [ 359.963843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.969381] ? check_preemption_disabled+0x48/0x280 [ 359.974704] run_timer_softirq+0x52/0xb0 [ 359.978759] ? rcu_read_lock_sched_held+0x14f/0x180 [ 359.983772] __do_softirq+0x308/0xb7e [ 359.988275] ? trace_hardirqs_on_caller+0xc0/0x310 [ 359.993216] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 359.998320] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.003769] ? schedule+0x108/0x460 [ 360.007399] ? trace_hardirqs_off+0xb8/0x310 [ 360.011807] ? smpboot_thread_fn+0x68b/0xa00 [ 360.016214] ? trace_hardirqs_on+0x310/0x310 [ 360.020625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.026160] ? check_preemption_disabled+0x48/0x280 [ 360.031432] ? takeover_tasklets+0xa90/0xa90 [ 360.035835] run_ksoftirqd+0x5e/0x100 [ 360.039631] smpboot_thread_fn+0x68b/0xa00 [ 360.043867] ? sort_range+0x30/0x30 [ 360.047495] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 360.052591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.058131] ? __kthread_parkme+0xfb/0x1a0 [ 360.062367] ? sort_range+0x30/0x30 [ 360.066009] kthread+0x35a/0x440 [ 360.069366] ? kthread_stop+0x900/0x900 [ 360.073670] ret_from_fork+0x3a/0x50 [ 360.077390] warn_alloc_show_mem: 1 callbacks suppressed [ 360.077401] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 360.077403] Mem-Info: [ 360.077434] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 360.077434] active_file:10 inactive_file:14 isolated_file:0 [ 360.077434] unevictable:0 dirty:0 writeback:0 unstable:0 [ 360.077434] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 360.077434] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 360.077434] free:13688 free_pcp:208 free_cma:0 [ 360.082762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.082769] Call Trace: [ 360.090042] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 360.092441] dump_stack+0x244/0x39d [ 360.126008] 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 [ 360.135442] ? dump_stack_print_info.cold.1+0x20/0x20 [ 360.138001] lowmem_reserve[]: 0 2818 6321 6321 [ 360.165667] warn_alloc.cold.116+0xb7/0x1bd [ 360.169259] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 360.195998] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.201167] lowmem_reserve[]: 0 0 3503 3503 [ 360.205747] ? lock_downgrade+0x900/0x900 [ 360.210037] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 360.237501] ? trace_hardirqs_off+0xb8/0x310 [ 360.242315] lowmem_reserve[]: 0 0 0 0 [ 360.246639] ? trace_hardirqs_off+0xb8/0x310 [ 360.250755] 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 [ 360.280289] __alloc_pages_slowpath+0x26e8/0x2e10 [ 360.284668] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 360.288490] ? warn_alloc+0x120/0x120 [ 360.292849] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 360.306371] ? zap_class+0x640/0x640 [ 360.311189] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 360.326990] ? warn_alloc+0x120/0x120 [ 360.330768] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 360.345673] ? warn_alloc+0x120/0x120 [ 360.349359] 1671 total pagecache pages [ 360.358183] ? __lock_acquire+0x62f/0x4c20 [ 360.361977] 0 pages in swap cache [ 360.370535] ? print_usage_bug+0xc0/0xc0 [ 360.374619] Swap cache stats: add 0, delete 0, find 0/0 [ 360.378490] ? print_usage_bug+0xc0/0xc0 [ 360.382695] Free swap = 0kB [ 360.386141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.390175] Total swap = 0kB [ 360.390183] 1965979 pages RAM [ 360.395538] ? should_fail+0x22d/0xd01 [ 360.399568] 0 pages HighMem/MovableOnly [ 360.403179] ? find_held_lock+0x36/0x1c0 [ 360.408691] 342853 pages reserved [ 360.411702] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.414797] 0 pages cma reserved [ 360.418668] ? __lock_acquire+0x62f/0x4c20 [ 360.422671] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.426665] ? should_fail+0x22d/0xd01 [ 360.426678] ? __update_load_avg_blocked_se+0x690/0x690 [ 360.426701] ? mark_held_locks+0x130/0x130 [ 360.430171] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.435219] ? mark_held_locks+0x130/0x130 [ 360.438568] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 360.442793] ? __lock_is_held+0xb5/0x140 [ 360.442816] ? zap_class+0x640/0x640 [ 360.490362] ? update_curr+0x344/0xbd0 [ 360.494250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.499787] ? check_preemption_disabled+0x48/0x280 [ 360.504823] ? __lock_is_held+0xb5/0x140 [ 360.508885] __alloc_pages_nodemask+0xa80/0xde0 [ 360.513552] ? zap_class+0x640/0x640 [ 360.517268] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 360.522294] ? find_held_lock+0x36/0x1c0 [ 360.526358] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.531021] ? lock_downgrade+0x900/0x900 [ 360.535170] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.540716] cache_grow_begin+0xa5/0x8c0 [ 360.544770] ? do_raw_spin_unlock+0xa7/0x330 [ 360.549184] fallback_alloc+0x204/0x2e0 [ 360.553157] ____cache_alloc_node+0x1c7/0x1e0 [ 360.557660] kmem_cache_alloc+0x1f8/0x730 [ 360.561813] skb_clone+0x1bb/0x500 [ 360.565349] ? skb_split+0x11e0/0x11e0 [ 360.569233] ? kasan_check_read+0x11/0x20 [ 360.574091] ? __schedule+0x168a/0x21d0 [ 360.578065] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.583182] ? lock_pin_lock+0x350/0x350 [ 360.587249] bpf_clone_redirect+0xb9/0x490 [ 360.591476] ? __schedule+0x168a/0x21d0 [ 360.595450] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 360.600462] ? __sched_text_start+0x8/0x8 [ 360.604608] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 360.609367] ? find_held_lock+0x36/0x1c0 [ 360.613432] ? lock_acquire+0x1ed/0x520 [ 360.617401] ? bpf_test_run+0x3cb/0x780 [ 360.621370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.626930] ? check_preemption_disabled+0x48/0x280 [ 360.631966] ? kasan_check_read+0x11/0x20 [ 360.636107] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.641382] ? rcu_softirq_qs+0x20/0x20 [ 360.645358] ? preempt_schedule+0x4d/0x60 [ 360.649504] ? ___preempt_schedule+0x16/0x18 [ 360.653933] ? bpf_test_run+0x25d/0x780 [ 360.657923] ? netlink_diag_dump+0x2a0/0x2a0 [ 360.662333] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.667867] ? bpf_test_init.isra.10+0x70/0x100 [ 360.673050] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 360.677808] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 360.682662] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.688198] ? fput+0x130/0x1a0 [ 360.691476] ? __bpf_prog_get+0x9b/0x290 [ 360.695534] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 360.700375] ? bpf_prog_test_run+0x130/0x1a0 [ 360.704786] ? __x64_sys_bpf+0x3d8/0x520 [ 360.708844] ? bpf_prog_get+0x20/0x20 [ 360.712659] ? do_syscall_64+0x1b9/0x820 [ 360.716712] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 360.722068] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.726991] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.731831] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.736866] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 360.741878] ? prepare_exit_to_usermode+0x291/0x3b0 [ 360.746898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.751748] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 360.757122] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 360.757237] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.763884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.774761] syz-executor4 cpuset=syz4 mems_allowed=0 [ 360.784100] Call Trace: [ 360.791760] dump_stack+0x244/0x39d [ 360.795386] ? dump_stack_print_info.cold.1+0x20/0x20 [ 360.800587] warn_alloc.cold.116+0xb7/0x1bd [ 360.804908] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.809752] ? lock_downgrade+0x900/0x900 [ 360.813903] ? trace_hardirqs_off+0xb8/0x310 [ 360.818316] ? trace_hardirqs_off+0xb8/0x310 [ 360.822729] __alloc_pages_slowpath+0x26e8/0x2e10 [ 360.827590] ? warn_alloc+0x120/0x120 [ 360.831386] ? print_usage_bug+0xc0/0xc0 [ 360.835444] ? warn_alloc+0x120/0x120 [ 360.839246] ? warn_alloc+0x120/0x120 [ 360.843041] ? print_usage_bug+0xc0/0xc0 [ 360.847104] ? print_usage_bug+0xc0/0xc0 [ 360.851395] ? __lock_acquire+0x62f/0x4c20 [ 360.855638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.861177] ? should_fail+0x22d/0xd01 [ 360.865068] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.870173] ? __lock_acquire+0x62f/0x4c20 [ 360.874705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.879802] ? __lock_acquire+0x62f/0x4c20 [ 360.884032] ? should_fail+0x22d/0xd01 [ 360.887914] ? find_held_lock+0x36/0x1c0 [ 360.891983] ? mark_held_locks+0x130/0x130 [ 360.896220] ? mark_held_locks+0x130/0x130 [ 360.900449] ? zap_class+0x640/0x640 [ 360.904165] ? zap_class+0x640/0x640 [ 360.907876] ? print_usage_bug+0xc0/0xc0 [ 360.911931] ? do_raw_spin_unlock+0xa7/0x330 [ 360.916335] ? zap_class+0x640/0x640 [ 360.920048] ? print_usage_bug+0xc0/0xc0 [ 360.924119] ? wq_watchdog_touch+0x9c/0xfe [ 360.928354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.933886] ? check_preemption_disabled+0x48/0x280 [ 360.938905] ? __lock_is_held+0xb5/0x140 [ 360.942978] __alloc_pages_nodemask+0xa80/0xde0 [ 360.947643] ? zap_class+0x640/0x640 [ 360.951356] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 360.956381] ? find_held_lock+0x36/0x1c0 [ 360.960448] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.965116] ? lock_downgrade+0x900/0x900 [ 360.969270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.975159] cache_grow_begin+0xa5/0x8c0 [ 360.979217] ? do_raw_spin_unlock+0xa7/0x330 [ 360.983640] fallback_alloc+0x204/0x2e0 [ 360.987612] ____cache_alloc_node+0x1c7/0x1e0 [ 360.992110] kmem_cache_alloc_node+0xe3/0x730 [ 360.996608] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.000848] __alloc_skb+0x119/0x770 [ 361.004554] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.009828] ? netdev_alloc_frag+0x1f0/0x1f0 [ 361.014233] ? lock_downgrade+0x900/0x900 [ 361.018590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.024126] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.029687] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.035152] ? addrconf_rs_timer+0x690/0x690 [ 361.039664] ndisc_alloc_skb+0x144/0x340 [ 361.043723] ndisc_send_rs+0x331/0x6e0 [ 361.047609] addrconf_rs_timer+0x314/0x690 [ 361.051842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.056083] call_timer_fn+0x272/0x920 [ 361.059963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.064189] ? process_timeout+0x40/0x40 [ 361.068250] ? __run_timers+0x7da/0xc70 [ 361.072510] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.076999] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.081487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.085715] ? lockdep_hardirqs_on+0x296/0x5b0 [ 361.090295] ? trace_hardirqs_on+0xbd/0x310 [ 361.094612] ? kasan_check_read+0x11/0x20 [ 361.098752] ? __run_timers+0x7da/0xc70 [ 361.102724] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.107829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.112065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.116293] __run_timers+0x7e5/0xc70 [ 361.120096] ? timer_fixup_init+0x70/0x70 [ 361.124247] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.128735] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.133226] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 361.137803] ? trace_hardirqs_on+0xbd/0x310 [ 361.142140] ? kasan_check_read+0x11/0x20 [ 361.146284] ? finish_task_switch+0x1f4/0x910 [ 361.150777] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.155885] ? compat_start_thread+0x80/0x80 [ 361.160308] ? pvclock_read_flags+0x160/0x160 [ 361.164794] ? __switch_to_asm+0x34/0x70 [ 361.168865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.174689] ? check_preemption_disabled+0x48/0x280 [ 361.179709] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 361.185242] ? rcu_pm_notify+0xc0/0xc0 [ 361.189145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.194678] ? check_preemption_disabled+0x48/0x280 [ 361.199697] run_timer_softirq+0x52/0xb0 [ 361.203755] ? rcu_read_lock_sched_held+0x14f/0x180 [ 361.208767] __do_softirq+0x308/0xb7e [ 361.212564] ? trace_hardirqs_on_caller+0xc0/0x310 [ 361.217499] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 361.222597] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.228049] ? schedule+0x108/0x460 [ 361.231680] ? trace_hardirqs_off+0xb8/0x310 [ 361.236086] ? smpboot_thread_fn+0x68b/0xa00 [ 361.240499] ? trace_hardirqs_on+0x310/0x310 [ 361.244913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.250444] ? check_preemption_disabled+0x48/0x280 [ 361.255455] ? takeover_tasklets+0xa90/0xa90 [ 361.259859] run_ksoftirqd+0x5e/0x100 [ 361.263656] smpboot_thread_fn+0x68b/0xa00 [ 361.267892] ? sort_range+0x30/0x30 [ 361.271878] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 361.276992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.282525] ? __kthread_parkme+0xfb/0x1a0 [ 361.286761] ? sort_range+0x30/0x30 [ 361.290387] kthread+0x35a/0x440 [ 361.293752] ? kthread_stop+0x900/0x900 [ 361.297722] ret_from_fork+0x3a/0x50 [ 361.301449] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 361.301453] warn_alloc_show_mem: 1 callbacks suppressed [ 361.301460] Mem-Info: [ 361.308736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.314101] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 361.314101] active_file:10 inactive_file:14 isolated_file:0 [ 361.314101] unevictable:0 dirty:0 writeback:0 unstable:0 [ 361.314101] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 361.314101] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 361.314101] free:13688 free_pcp:208 free_cma:0 [ 361.316469] Call Trace: [ 361.325839] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 361.359037] dump_stack+0x244/0x39d [ 361.361603] 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 [ 361.389994] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.393590] lowmem_reserve[]: 0 2818 6321 6321 [ 361.419694] warn_alloc.cold.116+0xb7/0x1bd [ 361.424862] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 361.429442] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.433730] lowmem_reserve[]: 0 0 3503 3503 [ 361.461064] ? lock_downgrade+0x900/0x900 [ 361.465889] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 361.470206] ? trace_hardirqs_off+0xb8/0x310 [ 361.474646] lowmem_reserve[]: 0 0 0 0 [ 361.503704] ? trace_hardirqs_off+0xb8/0x310 [ 361.508081] 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 [ 361.511888] __alloc_pages_slowpath+0x26e8/0x2e10 [ 361.516269] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 361.529817] ? warn_alloc+0x120/0x120 [ 361.534611] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 361.550323] ? zap_class+0x640/0x640 [ 361.554106] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 361.569001] ? warn_alloc+0x120/0x120 [ 361.572993] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 361.581832] ? warn_alloc+0x120/0x120 [ 361.585605] 1671 total pagecache pages [ 361.594166] ? __lock_acquire+0x62f/0x4c20 [ 361.597942] 0 pages in swap cache [ 361.601812] ? print_usage_bug+0xc0/0xc0 [ 361.606019] Swap cache stats: add 0, delete 0, find 0/0 [ 361.609455] ? print_usage_bug+0xc0/0xc0 [ 361.613486] Free swap = 0kB [ 361.618862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.622897] Total swap = 0kB [ 361.625906] ? should_fail+0x22d/0xd01 [ 361.631413] 1965979 pages RAM [ 361.634415] ? find_held_lock+0x36/0x1c0 [ 361.638267] 0 pages HighMem/MovableOnly [ 361.638275] 342853 pages reserved [ 361.641370] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.645400] 0 pages cma reserved [ 361.649366] ? __lock_acquire+0x62f/0x4c20 [ 361.652860] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.657982] ? should_fail+0x22d/0xd01 [ 361.657996] ? __update_load_avg_blocked_se+0x690/0x690 [ 361.658019] ? mark_held_locks+0x130/0x130 [ 361.661404] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.665582] ? mark_held_locks+0x130/0x130 [ 361.672393] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 361.676266] ? __lock_is_held+0xb5/0x140 [ 361.676290] ? zap_class+0x640/0x640 [ 361.712776] ? update_curr+0x344/0xbd0 [ 361.716668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.722202] ? check_preemption_disabled+0x48/0x280 [ 361.727221] ? __lock_is_held+0xb5/0x140 [ 361.731281] __alloc_pages_nodemask+0xa80/0xde0 [ 361.735958] ? zap_class+0x640/0x640 [ 361.739670] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 361.744693] ? find_held_lock+0x36/0x1c0 [ 361.748760] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.753462] ? lock_downgrade+0x900/0x900 [ 361.757614] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.763149] cache_grow_begin+0xa5/0x8c0 [ 361.767204] ? do_raw_spin_unlock+0xa7/0x330 [ 361.772179] fallback_alloc+0x204/0x2e0 [ 361.776156] ____cache_alloc_node+0x1c7/0x1e0 [ 361.780650] kmem_cache_alloc+0x1f8/0x730 [ 361.784807] skb_clone+0x1bb/0x500 [ 361.788348] ? skb_split+0x11e0/0x11e0 [ 361.792233] ? kasan_check_read+0x11/0x20 [ 361.796376] ? __schedule+0x168a/0x21d0 [ 361.800351] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.805446] ? lock_pin_lock+0x350/0x350 [ 361.809514] bpf_clone_redirect+0xb9/0x490 [ 361.813743] ? __schedule+0x168a/0x21d0 [ 361.817715] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 361.822732] ? __sched_text_start+0x8/0x8 [ 361.826873] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.831637] ? find_held_lock+0x36/0x1c0 [ 361.835699] ? lock_acquire+0x1ed/0x520 [ 361.839671] ? bpf_test_run+0x3cb/0x780 [ 361.843643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.849178] ? check_preemption_disabled+0x48/0x280 [ 361.854198] ? kasan_check_read+0x11/0x20 [ 361.858343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.863612] ? rcu_softirq_qs+0x20/0x20 [ 361.867584] ? preempt_schedule+0x4d/0x60 [ 361.872241] ? ___preempt_schedule+0x16/0x18 [ 361.876652] ? bpf_test_run+0x25d/0x780 [ 361.880631] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.885042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.890584] ? bpf_test_init.isra.10+0x70/0x100 [ 361.895255] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 361.900014] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.904854] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.910388] ? fput+0x130/0x1a0 [ 361.913665] ? __bpf_prog_get+0x9b/0x290 [ 361.917726] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.922563] ? bpf_prog_test_run+0x130/0x1a0 [ 361.926972] ? __x64_sys_bpf+0x3d8/0x520 [ 361.931027] ? bpf_prog_get+0x20/0x20 [ 361.934854] ? do_syscall_64+0x1b9/0x820 [ 361.938912] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.944277] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.949222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.954072] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.959088] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.964105] ? prepare_exit_to_usermode+0x291/0x3b0 [ 361.969123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.974669] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.980045] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 361.980158] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.986805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.997277] syz-executor4 cpuset=syz4 mems_allowed=0 [ 362.006614] Call Trace: [ 362.014277] dump_stack+0x244/0x39d [ 362.017909] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.023111] warn_alloc.cold.116+0xb7/0x1bd [ 362.027431] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.032272] ? lock_downgrade+0x900/0x900 [ 362.036441] ? trace_hardirqs_off+0xb8/0x310 [ 362.040862] ? trace_hardirqs_off+0xb8/0x310 [ 362.045273] __alloc_pages_slowpath+0x26e8/0x2e10 [ 362.050160] ? warn_alloc+0x120/0x120 [ 362.053957] ? print_usage_bug+0xc0/0xc0 [ 362.058028] ? warn_alloc+0x120/0x120 [ 362.061832] ? warn_alloc+0x120/0x120 [ 362.065645] ? print_usage_bug+0xc0/0xc0 [ 362.069705] ? print_usage_bug+0xc0/0xc0 [ 362.074081] ? __lock_acquire+0x62f/0x4c20 [ 362.078326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.083887] ? should_fail+0x22d/0xd01 [ 362.087778] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.093401] ? __lock_acquire+0x62f/0x4c20 [ 362.097632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.102728] ? __lock_acquire+0x62f/0x4c20 [ 362.107065] ? should_fail+0x22d/0xd01 [ 362.110960] ? find_held_lock+0x36/0x1c0 [ 362.115023] ? mark_held_locks+0x130/0x130 [ 362.119277] ? mark_held_locks+0x130/0x130 [ 362.123585] ? zap_class+0x640/0x640 [ 362.127300] ? zap_class+0x640/0x640 [ 362.131015] ? print_usage_bug+0xc0/0xc0 [ 362.135073] ? do_raw_spin_unlock+0xa7/0x330 [ 362.139477] ? zap_class+0x640/0x640 [ 362.143188] ? print_usage_bug+0xc0/0xc0 [ 362.147246] ? wq_watchdog_touch+0x9c/0xfe [ 362.151479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.157018] ? check_preemption_disabled+0x48/0x280 [ 362.162052] ? __lock_is_held+0xb5/0x140 [ 362.166114] __alloc_pages_nodemask+0xa80/0xde0 [ 362.171204] ? zap_class+0x640/0x640 [ 362.174920] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 362.179944] ? find_held_lock+0x36/0x1c0 [ 362.184010] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.188695] ? lock_downgrade+0x900/0x900 [ 362.192844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.198381] cache_grow_begin+0xa5/0x8c0 [ 362.202437] ? do_raw_spin_unlock+0xa7/0x330 [ 362.206850] fallback_alloc+0x204/0x2e0 [ 362.210824] ____cache_alloc_node+0x1c7/0x1e0 [ 362.215320] kmem_cache_alloc_node+0xe3/0x730 [ 362.219810] ? ipv6_get_ifaddr+0x42e/0x620 [ 362.224069] __alloc_skb+0x119/0x770 [ 362.227778] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.233060] ? netdev_alloc_frag+0x1f0/0x1f0 [ 362.237474] ? lock_downgrade+0x900/0x900 [ 362.241623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.247165] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.252615] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.258061] ? addrconf_rs_timer+0x690/0x690 [ 362.262474] ndisc_alloc_skb+0x144/0x340 [ 362.266536] ndisc_send_rs+0x331/0x6e0 [ 362.270469] addrconf_rs_timer+0x314/0x690 [ 362.275051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.279294] call_timer_fn+0x272/0x920 [ 362.283347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.287573] ? process_timeout+0x40/0x40 [ 362.291648] ? __run_timers+0x7da/0xc70 [ 362.295621] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.300111] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.304599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.308830] ? lockdep_hardirqs_on+0x296/0x5b0 [ 362.313411] ? trace_hardirqs_on+0xbd/0x310 [ 362.317726] ? kasan_check_read+0x11/0x20 [ 362.321871] ? __run_timers+0x7da/0xc70 [ 362.325842] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.330944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.335178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.339408] __run_timers+0x7e5/0xc70 [ 362.343212] ? timer_fixup_init+0x70/0x70 [ 362.347354] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.351851] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.356341] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 362.360919] ? trace_hardirqs_on+0xbd/0x310 [ 362.365235] ? kasan_check_read+0x11/0x20 [ 362.369384] ? finish_task_switch+0x1f4/0x910 [ 362.374223] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.379326] ? compat_start_thread+0x80/0x80 [ 362.383747] ? pvclock_read_flags+0x160/0x160 [ 362.388236] ? __switch_to_asm+0x34/0x70 [ 362.392307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.397844] ? check_preemption_disabled+0x48/0x280 [ 362.402869] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 362.408406] ? rcu_pm_notify+0xc0/0xc0 [ 362.412294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.417830] ? check_preemption_disabled+0x48/0x280 [ 362.422846] run_timer_softirq+0x52/0xb0 [ 362.426902] ? rcu_read_lock_sched_held+0x14f/0x180 [ 362.431913] __do_softirq+0x308/0xb7e [ 362.435712] ? trace_hardirqs_on_caller+0xc0/0x310 [ 362.440640] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 362.445738] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.451188] ? schedule+0x108/0x460 [ 362.454818] ? trace_hardirqs_off+0xb8/0x310 [ 362.459221] ? smpboot_thread_fn+0x68b/0xa00 [ 362.463624] ? trace_hardirqs_on+0x310/0x310 [ 362.468036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.473877] ? check_preemption_disabled+0x48/0x280 [ 362.478891] ? takeover_tasklets+0xa90/0xa90 [ 362.483316] run_ksoftirqd+0x5e/0x100 [ 362.487110] smpboot_thread_fn+0x68b/0xa00 [ 362.491346] ? sort_range+0x30/0x30 [ 362.494972] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.500074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.505605] ? __kthread_parkme+0xfb/0x1a0 [ 362.509842] ? sort_range+0x30/0x30 [ 362.513464] kthread+0x35a/0x440 [ 362.516832] ? kthread_stop+0x900/0x900 [ 362.520803] ret_from_fork+0x3a/0x50 [ 362.524530] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 362.524535] warn_alloc_show_mem: 1 callbacks suppressed [ 362.524542] Mem-Info: [ 362.531807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.537183] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 362.537183] active_file:10 inactive_file:14 isolated_file:0 [ 362.537183] unevictable:0 dirty:0 writeback:0 unstable:0 [ 362.537183] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 362.537183] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 362.537183] free:13688 free_pcp:208 free_cma:0 [ 362.539552] Call Trace: [ 362.548929] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 362.582699] dump_stack+0x244/0x39d [ 362.585272] 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 [ 362.612931] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.616522] lowmem_reserve[]: 0 2818 6321 6321 [ 362.642638] warn_alloc.cold.116+0xb7/0x1bd [ 362.647902] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 362.652478] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.656768] lowmem_reserve[]: 0 0 3503 3503 [ 362.684582] ? lock_downgrade+0x900/0x900 [ 362.689396] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 362.693714] ? trace_hardirqs_off+0xb8/0x310 [ 362.697852] lowmem_reserve[]: 0 0 0 0 [ 362.726825] ? trace_hardirqs_off+0xb8/0x310 [ 362.731201] 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 [ 362.735009] __alloc_pages_slowpath+0x26e8/0x2e10 [ 362.739375] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 362.752938] ? warn_alloc+0x120/0x120 [ 362.757731] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 362.774159] ? zap_class+0x640/0x640 [ 362.777939] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 362.792831] ? warn_alloc+0x120/0x120 [ 362.796524] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 362.805444] ? warn_alloc+0x120/0x120 [ 362.809216] 1671 total pagecache pages [ 362.817779] ? __lock_acquire+0x62f/0x4c20 [ 362.821558] 0 pages in swap cache [ 362.825440] ? print_usage_bug+0xc0/0xc0 [ 362.829652] Swap cache stats: add 0, delete 0, find 0/0 [ 362.833088] ? print_usage_bug+0xc0/0xc0 [ 362.837118] Free swap = 0kB [ 362.842476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.846496] Total swap = 0kB [ 362.846504] 1965979 pages RAM [ 362.849689] ? should_fail+0x22d/0xd01 [ 362.855199] 0 pages HighMem/MovableOnly [ 362.858396] ? find_held_lock+0x36/0x1c0 [ 362.861469] 342853 pages reserved [ 362.861476] 0 pages cma reserved [ 362.865368] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.869375] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 362.874067] ? __lock_acquire+0x62f/0x4c20 [ 362.877570] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 362.880852] ? should_fail+0x22d/0xd01 [ 362.885925] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 362.892407] ? __update_load_avg_blocked_se+0x690/0x690 [ 362.920786] ? mark_held_locks+0x130/0x130 [ 362.925020] ? mark_held_locks+0x130/0x130 [ 362.929251] ? __lock_is_held+0xb5/0x140 [ 362.933318] ? zap_class+0x640/0x640 [ 362.937028] ? update_curr+0x344/0xbd0 [ 362.940914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.946467] ? check_preemption_disabled+0x48/0x280 [ 362.951487] ? __lock_is_held+0xb5/0x140 [ 362.955564] __alloc_pages_nodemask+0xa80/0xde0 [ 362.960231] ? zap_class+0x640/0x640 [ 362.963947] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 362.968986] ? find_held_lock+0x36/0x1c0 [ 362.973805] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.978471] ? lock_downgrade+0x900/0x900 [ 362.982621] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 362.988157] cache_grow_begin+0xa5/0x8c0 [ 362.992217] ? do_raw_spin_unlock+0xa7/0x330 [ 362.996632] fallback_alloc+0x204/0x2e0 [ 363.000608] ____cache_alloc_node+0x1c7/0x1e0 [ 363.005104] kmem_cache_alloc+0x1f8/0x730 [ 363.009261] skb_clone+0x1bb/0x500 [ 363.012804] ? skb_split+0x11e0/0x11e0 [ 363.017237] ? kasan_check_read+0x11/0x20 [ 363.021386] ? __schedule+0x168a/0x21d0 [ 363.025443] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.030541] ? lock_pin_lock+0x350/0x350 [ 363.034612] bpf_clone_redirect+0xb9/0x490 [ 363.038845] ? __schedule+0x168a/0x21d0 [ 363.042819] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 363.047831] ? __sched_text_start+0x8/0x8 [ 363.051981] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 363.056746] ? find_held_lock+0x36/0x1c0 [ 363.060814] ? lock_acquire+0x1ed/0x520 [ 363.064925] ? bpf_test_run+0x3cb/0x780 [ 363.068917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.074939] ? check_preemption_disabled+0x48/0x280 [ 363.079969] ? kasan_check_read+0x11/0x20 [ 363.084116] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.089389] ? rcu_softirq_qs+0x20/0x20 [ 363.093372] ? preempt_schedule+0x4d/0x60 [ 363.097516] ? ___preempt_schedule+0x16/0x18 [ 363.101929] ? bpf_test_run+0x25d/0x780 [ 363.105916] ? netlink_diag_dump+0x2a0/0x2a0 [ 363.110323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.115858] ? bpf_test_init.isra.10+0x70/0x100 [ 363.120528] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 363.125289] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 363.130127] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 363.135664] ? fput+0x130/0x1a0 [ 363.138957] ? __bpf_prog_get+0x9b/0x290 [ 363.143019] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 363.147857] ? bpf_prog_test_run+0x130/0x1a0 [ 363.152274] ? __x64_sys_bpf+0x3d8/0x520 [ 363.156330] ? bpf_prog_get+0x20/0x20 [ 363.160145] ? do_syscall_64+0x1b9/0x820 [ 363.164203] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 363.169576] ? syscall_return_slowpath+0x5e0/0x5e0 [ 363.175154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.180003] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.185015] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 363.190029] ? prepare_exit_to_usermode+0x291/0x3b0 [ 363.195050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.199898] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.205275] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 363.205386] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.212032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.222497] syz-executor4 cpuset=syz4 mems_allowed=0 [ 363.231844] Call Trace: [ 363.239509] dump_stack+0x244/0x39d [ 363.243139] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.248336] warn_alloc.cold.116+0xb7/0x1bd [ 363.252657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.257496] ? lock_downgrade+0x900/0x900 [ 363.261648] ? trace_hardirqs_off+0xb8/0x310 [ 363.266057] ? trace_hardirqs_off+0xb8/0x310 [ 363.270729] __alloc_pages_slowpath+0x26e8/0x2e10 [ 363.275584] ? warn_alloc+0x120/0x120 [ 363.279379] ? print_usage_bug+0xc0/0xc0 [ 363.283434] ? warn_alloc+0x120/0x120 [ 363.287236] ? warn_alloc+0x120/0x120 [ 363.291052] ? print_usage_bug+0xc0/0xc0 [ 363.295125] ? print_usage_bug+0xc0/0xc0 [ 363.299181] ? __lock_acquire+0x62f/0x4c20 [ 363.303432] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.308963] ? should_fail+0x22d/0xd01 [ 363.312847] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.317950] ? __lock_acquire+0x62f/0x4c20 [ 363.322185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.327295] ? __lock_acquire+0x62f/0x4c20 [ 363.331522] ? should_fail+0x22d/0xd01 [ 363.335419] ? find_held_lock+0x36/0x1c0 [ 363.339480] ? mark_held_locks+0x130/0x130 [ 363.343714] ? mark_held_locks+0x130/0x130 [ 363.347948] ? zap_class+0x640/0x640 [ 363.351666] ? mark_held_locks+0xc7/0x130 [ 363.355804] ? do_raw_spin_unlock+0xa7/0x330 [ 363.360208] ? zap_class+0x640/0x640 [ 363.363916] ? print_usage_bug+0xc0/0xc0 [ 363.367983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.373788] ? check_preemption_disabled+0x48/0x280 [ 363.378819] ? __lock_is_held+0xb5/0x140 [ 363.382880] __alloc_pages_nodemask+0xa80/0xde0 [ 363.387541] ? zap_class+0x640/0x640 [ 363.391255] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 363.396279] ? find_held_lock+0x36/0x1c0 [ 363.400342] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.405007] ? lock_downgrade+0x900/0x900 [ 363.409157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.414722] cache_grow_begin+0xa5/0x8c0 [ 363.418780] ? do_raw_spin_unlock+0xa7/0x330 [ 363.423211] fallback_alloc+0x204/0x2e0 [ 363.427191] ____cache_alloc_node+0x1c7/0x1e0 [ 363.431686] kmem_cache_alloc_node+0xe3/0x730 [ 363.436187] ? ipv6_get_ifaddr+0x42e/0x620 [ 363.440424] __alloc_skb+0x119/0x770 [ 363.444146] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.449437] ? netdev_alloc_frag+0x1f0/0x1f0 [ 363.453841] ? lock_downgrade+0x900/0x900 [ 363.457992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.463523] ? refcount_sub_and_test_checked+0x203/0x310 [ 363.468972] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 363.474712] ? addrconf_rs_timer+0x690/0x690 [ 363.479127] ndisc_alloc_skb+0x144/0x340 [ 363.483188] ndisc_send_rs+0x331/0x6e0 [ 363.487078] addrconf_rs_timer+0x314/0x690 [ 363.491310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.495549] call_timer_fn+0x272/0x920 [ 363.499429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.503670] ? process_timeout+0x40/0x40 [ 363.507735] ? __run_timers+0x7da/0xc70 [ 363.511702] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.516193] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.520681] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.524910] ? lockdep_hardirqs_on+0x296/0x5b0 [ 363.529494] ? trace_hardirqs_on+0xbd/0x310 [ 363.533806] ? kasan_check_read+0x11/0x20 [ 363.537947] ? __run_timers+0x7da/0xc70 [ 363.541923] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.547024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.551257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.555479] __run_timers+0x7e5/0xc70 [ 363.559282] ? timer_fixup_init+0x70/0x70 [ 363.563423] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.567921] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.572706] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 363.577286] ? trace_hardirqs_on+0xbd/0x310 [ 363.581600] ? kasan_check_read+0x11/0x20 [ 363.585747] ? finish_task_switch+0x1f4/0x910 [ 363.590240] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.595340] ? compat_start_thread+0x80/0x80 [ 363.599762] ? pvclock_read_flags+0x160/0x160 [ 363.604251] ? __switch_to_asm+0x34/0x70 [ 363.608307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.613838] ? check_preemption_disabled+0x48/0x280 [ 363.618855] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 363.624386] ? rcu_pm_notify+0xc0/0xc0 [ 363.628271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.633807] ? check_preemption_disabled+0x48/0x280 [ 363.638822] run_timer_softirq+0x52/0xb0 [ 363.642876] ? rcu_read_lock_sched_held+0x14f/0x180 [ 363.647893] __do_softirq+0x308/0xb7e [ 363.651703] ? trace_hardirqs_on_caller+0xc0/0x310 [ 363.656629] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 363.661730] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.667188] ? schedule+0x108/0x460 [ 363.671170] ? trace_hardirqs_off+0xb8/0x310 [ 363.675574] ? smpboot_thread_fn+0x68b/0xa00 [ 363.679976] ? trace_hardirqs_on+0x310/0x310 [ 363.684380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.689925] ? check_preemption_disabled+0x48/0x280 [ 363.694948] ? takeover_tasklets+0xa90/0xa90 [ 363.699353] run_ksoftirqd+0x5e/0x100 [ 363.703152] smpboot_thread_fn+0x68b/0xa00 [ 363.707390] ? sort_range+0x30/0x30 [ 363.711010] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 363.716111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.721642] ? __kthread_parkme+0xfb/0x1a0 [ 363.725877] ? sort_range+0x30/0x30 [ 363.729504] kthread+0x35a/0x440 [ 363.732867] ? kthread_stop+0x900/0x900 [ 363.736843] ret_from_fork+0x3a/0x50 [ 363.740567] warn_alloc_show_mem: 1 callbacks suppressed [ 363.740578] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 363.740579] Mem-Info: [ 363.740613] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 363.740613] active_file:10 inactive_file:14 isolated_file:0 [ 363.740613] unevictable:0 dirty:0 writeback:0 unstable:0 [ 363.740613] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 363.740613] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 363.740613] free:13688 free_pcp:208 free_cma:0 [ 363.745943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.753228] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 363.755633] Call Trace: [ 363.788945] 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 [ 363.798301] dump_stack+0x244/0x39d [ 363.825935] lowmem_reserve[]: 0 2818 6321 6321 [ 363.828520] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.854597] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 363.858225] warn_alloc.cold.116+0xb7/0x1bd [ 363.862782] lowmem_reserve[]: 0 0 3503 3503 [ 363.867977] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.895611] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 363.899960] ? lock_downgrade+0x900/0x900 [ 363.904249] lowmem_reserve[]: 0 0 0 0 [ 363.909097] ? trace_hardirqs_off+0xb8/0x310 [ 363.938029] 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 [ 363.942173] ? trace_hardirqs_off+0xb8/0x310 [ 363.945942] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 363.950353] __alloc_pages_slowpath+0x26e8/0x2e10 [ 363.963838] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 363.968271] ? warn_alloc+0x120/0x120 [ 363.984424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 363.989251] ? zap_class+0x640/0x640 [ 364.004154] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 364.007937] ? warn_alloc+0x120/0x120 [ 364.016757] 1671 total pagecache pages [ 364.020472] ? warn_alloc+0x120/0x120 [ 364.029025] 0 pages in swap cache [ 364.032810] ? __lock_acquire+0x62f/0x4c20 [ 364.036683] Swap cache stats: add 0, delete 0, find 0/0 [ 364.040483] ? print_usage_bug+0xc0/0xc0 [ 364.043912] Free swap = 0kB [ 364.048143] ? print_usage_bug+0xc0/0xc0 [ 364.053476] Total swap = 0kB [ 364.057531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.060514] 1965979 pages RAM [ 364.064565] ? should_fail+0x22d/0xd01 [ 364.067553] 0 pages HighMem/MovableOnly [ 364.073605] ? find_held_lock+0x36/0x1c0 [ 364.076704] 342853 pages reserved [ 364.076711] 0 pages cma reserved [ 364.080586] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.084591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.088580] ? __lock_acquire+0x62f/0x4c20 [ 364.088597] ? should_fail+0x22d/0xd01 [ 364.088631] ? __update_load_avg_blocked_se+0x690/0x690 [ 364.092102] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.095417] ? mark_held_locks+0x130/0x130 [ 364.100501] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 364.106981] ? mark_held_locks+0x130/0x130 [ 364.143788] ? __lock_is_held+0xb5/0x140 [ 364.147854] ? zap_class+0x640/0x640 [ 364.151574] ? update_curr+0x344/0xbd0 [ 364.155463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.160997] ? check_preemption_disabled+0x48/0x280 [ 364.166019] ? __lock_is_held+0xb5/0x140 [ 364.170100] __alloc_pages_nodemask+0xa80/0xde0 [ 364.175245] ? zap_class+0x640/0x640 [ 364.178961] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 364.184000] ? find_held_lock+0x36/0x1c0 [ 364.188065] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.192746] ? lock_downgrade+0x900/0x900 [ 364.196897] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.202435] cache_grow_begin+0xa5/0x8c0 [ 364.206494] ? do_raw_spin_unlock+0xa7/0x330 [ 364.210905] fallback_alloc+0x204/0x2e0 [ 364.214890] ____cache_alloc_node+0x1c7/0x1e0 [ 364.219389] kmem_cache_alloc+0x1f8/0x730 [ 364.223546] skb_clone+0x1bb/0x500 [ 364.227085] ? skb_split+0x11e0/0x11e0 [ 364.230969] ? kasan_check_read+0x11/0x20 [ 364.235118] ? __schedule+0x168a/0x21d0 [ 364.239094] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.244196] ? lock_pin_lock+0x350/0x350 [ 364.248261] bpf_clone_redirect+0xb9/0x490 [ 364.252493] ? __schedule+0x168a/0x21d0 [ 364.256470] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 364.261487] ? __sched_text_start+0x8/0x8 [ 364.265633] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.270901] ? find_held_lock+0x36/0x1c0 [ 364.274966] ? lock_acquire+0x1ed/0x520 [ 364.278940] ? bpf_test_run+0x3cb/0x780 [ 364.282914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.288462] ? check_preemption_disabled+0x48/0x280 [ 364.293493] ? kasan_check_read+0x11/0x20 [ 364.297636] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.303169] ? rcu_softirq_qs+0x20/0x20 [ 364.307140] ? preempt_schedule+0x4d/0x60 [ 364.311284] ? ___preempt_schedule+0x16/0x18 [ 364.315696] ? bpf_test_run+0x25d/0x780 [ 364.319674] ? netlink_diag_dump+0x2a0/0x2a0 [ 364.324081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.329621] ? bpf_test_init.isra.10+0x70/0x100 [ 364.334312] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 364.339074] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 364.343911] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.349443] ? fput+0x130/0x1a0 [ 364.352720] ? __bpf_prog_get+0x9b/0x290 [ 364.356790] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 364.361624] ? bpf_prog_test_run+0x130/0x1a0 [ 364.366030] ? __x64_sys_bpf+0x3d8/0x520 [ 364.370089] ? bpf_prog_get+0x20/0x20 [ 364.374657] ? do_syscall_64+0x1b9/0x820 [ 364.378714] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 364.384077] ? syscall_return_slowpath+0x5e0/0x5e0 [ 364.389002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.393848] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.398888] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 364.403901] ? prepare_exit_to_usermode+0x291/0x3b0 [ 364.408924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.413766] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.419140] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 364.419241] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.425894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.436356] syz-executor4 cpuset=syz4 mems_allowed=0 [ 364.445693] Call Trace: [ 364.453351] dump_stack+0x244/0x39d [ 364.456975] ? dump_stack_print_info.cold.1+0x20/0x20 [ 364.462170] warn_alloc.cold.116+0xb7/0x1bd [ 364.466487] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.471615] ? lock_downgrade+0x900/0x900 [ 364.475766] ? trace_hardirqs_off+0xb8/0x310 [ 364.480174] ? trace_hardirqs_off+0xb8/0x310 [ 364.484589] __alloc_pages_slowpath+0x26e8/0x2e10 [ 364.489450] ? warn_alloc+0x120/0x120 [ 364.493247] ? print_usage_bug+0xc0/0xc0 [ 364.497303] ? warn_alloc+0x120/0x120 [ 364.501122] ? warn_alloc+0x120/0x120 [ 364.504935] ? print_usage_bug+0xc0/0xc0 [ 364.509000] ? print_usage_bug+0xc0/0xc0 [ 364.513061] ? __lock_acquire+0x62f/0x4c20 [ 364.517305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.522858] ? should_fail+0x22d/0xd01 [ 364.526747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.531851] ? __lock_acquire+0x62f/0x4c20 [ 364.536171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.541269] ? __lock_acquire+0x62f/0x4c20 [ 364.545497] ? should_fail+0x22d/0xd01 [ 364.549381] ? find_held_lock+0x36/0x1c0 [ 364.553445] ? mark_held_locks+0x130/0x130 [ 364.557678] ? mark_held_locks+0x130/0x130 [ 364.561916] ? zap_class+0x640/0x640 [ 364.565965] ? zap_class+0x640/0x640 [ 364.569676] ? print_usage_bug+0xc0/0xc0 [ 364.574041] ? do_raw_spin_unlock+0xa7/0x330 [ 364.578444] ? zap_class+0x640/0x640 [ 364.582156] ? print_usage_bug+0xc0/0xc0 [ 364.586227] ? wq_watchdog_touch+0x9c/0xfe [ 364.590462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.595994] ? check_preemption_disabled+0x48/0x280 [ 364.601012] ? __lock_is_held+0xb5/0x140 [ 364.605096] __alloc_pages_nodemask+0xa80/0xde0 [ 364.609788] ? zap_class+0x640/0x640 [ 364.613504] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 364.618525] ? find_held_lock+0x36/0x1c0 [ 364.622590] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.627256] ? lock_downgrade+0x900/0x900 [ 364.631405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.636953] cache_grow_begin+0xa5/0x8c0 [ 364.641005] ? do_raw_spin_unlock+0xa7/0x330 [ 364.645414] fallback_alloc+0x204/0x2e0 [ 364.649393] ____cache_alloc_node+0x1c7/0x1e0 [ 364.653892] kmem_cache_alloc_node+0xe3/0x730 [ 364.658383] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.662625] __alloc_skb+0x119/0x770 [ 364.666330] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.672007] ? netdev_alloc_frag+0x1f0/0x1f0 [ 364.676411] ? lock_downgrade+0x900/0x900 [ 364.680562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.686102] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.691550] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.697014] ? addrconf_rs_timer+0x690/0x690 [ 364.701425] ndisc_alloc_skb+0x144/0x340 [ 364.705484] ndisc_send_rs+0x331/0x6e0 [ 364.709370] addrconf_rs_timer+0x314/0x690 [ 364.713604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.717852] call_timer_fn+0x272/0x920 [ 364.721737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.725967] ? process_timeout+0x40/0x40 [ 364.730027] ? __run_timers+0x7da/0xc70 [ 364.734001] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.738487] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.742976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.747209] ? lockdep_hardirqs_on+0x296/0x5b0 [ 364.751787] ? trace_hardirqs_on+0xbd/0x310 [ 364.756109] ? kasan_check_read+0x11/0x20 [ 364.760248] ? __run_timers+0x7da/0xc70 [ 364.764219] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.769334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.773863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.778094] __run_timers+0x7e5/0xc70 [ 364.781901] ? timer_fixup_init+0x70/0x70 [ 364.786045] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.790537] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.795030] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 364.799613] ? trace_hardirqs_on+0xbd/0x310 [ 364.803947] ? kasan_check_read+0x11/0x20 [ 364.808090] ? finish_task_switch+0x1f4/0x910 [ 364.812583] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.817681] ? compat_start_thread+0x80/0x80 [ 364.822104] ? pvclock_read_flags+0x160/0x160 [ 364.826591] ? __switch_to_asm+0x34/0x70 [ 364.830647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.836178] ? check_preemption_disabled+0x48/0x280 [ 364.841197] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 364.846731] ? rcu_pm_notify+0xc0/0xc0 [ 364.851139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.856690] ? check_preemption_disabled+0x48/0x280 [ 364.861728] run_timer_softirq+0x52/0xb0 [ 364.865783] ? rcu_read_lock_sched_held+0x14f/0x180 [ 364.871156] __do_softirq+0x308/0xb7e [ 364.874956] ? trace_hardirqs_on_caller+0xc0/0x310 [ 364.879895] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 364.884989] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.890443] ? schedule+0x108/0x460 [ 364.894092] ? trace_hardirqs_off+0xb8/0x310 [ 364.898507] ? smpboot_thread_fn+0x68b/0xa00 [ 364.902910] ? trace_hardirqs_on+0x310/0x310 [ 364.907314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.912845] ? check_preemption_disabled+0x48/0x280 [ 364.917861] ? takeover_tasklets+0xa90/0xa90 [ 364.922265] run_ksoftirqd+0x5e/0x100 [ 364.926066] smpboot_thread_fn+0x68b/0xa00 [ 364.930303] ? sort_range+0x30/0x30 [ 364.933926] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 364.939028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.944565] ? __kthread_parkme+0xfb/0x1a0 [ 364.948805] ? sort_range+0x30/0x30 [ 364.952428] kthread+0x35a/0x440 [ 364.955802] ? kthread_stop+0x900/0x900 [ 364.959774] ret_from_fork+0x3a/0x50 [ 364.963500] warn_alloc_show_mem: 1 callbacks suppressed [ 364.963511] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 364.963512] Mem-Info: [ 364.963543] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 364.963543] active_file:10 inactive_file:14 isolated_file:0 [ 364.963543] unevictable:0 dirty:0 writeback:0 unstable:0 [ 364.963543] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 364.963543] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 364.963543] free:13688 free_pcp:208 free_cma:0 [ 364.968891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.976438] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 364.978828] Call Trace: [ 365.011947] 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 [ 365.021825] dump_stack+0x244/0x39d [ 365.049574] lowmem_reserve[]: 0 2818 6321 6321 [ 365.052165] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.078672] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 365.082310] warn_alloc.cold.116+0xb7/0x1bd [ 365.086855] lowmem_reserve[]: 0 0 3503 3503 [ 365.092046] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.092065] ? lock_downgrade+0x900/0x900 [ 365.119357] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 365.123676] ? trace_hardirqs_off+0xb8/0x310 [ 365.127956] lowmem_reserve[]: 0 0 0 0 [ 365.132806] ? trace_hardirqs_off+0xb8/0x310 [ 365.136922] 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 [ 365.165900] __alloc_pages_slowpath+0x26e8/0x2e10 [ 365.170561] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 365.170606] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 365.170648] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 365.170654] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 365.170657] 1671 total pagecache pages [ 365.170667] 0 pages in swap cache [ 365.170672] Swap cache stats: add 0, delete 0, find 0/0 [ 365.170675] Free swap = 0kB [ 365.170677] Total swap = 0kB [ 365.170681] 1965979 pages RAM [ 365.170683] 0 pages HighMem/MovableOnly [ 365.170686] 342853 pages reserved [ 365.170689] 0 pages cma reserved [ 365.170756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 365.170820] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.174607] ? warn_alloc+0x120/0x120 [ 365.178983] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 365.192495] ? zap_class+0x640/0x640 [ 365.307199] ? warn_alloc+0x120/0x120 [ 365.311014] ? warn_alloc+0x120/0x120 [ 365.314824] ? __lock_acquire+0x62f/0x4c20 [ 365.319053] ? print_usage_bug+0xc0/0xc0 [ 365.323111] ? print_usage_bug+0xc0/0xc0 [ 365.327178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.332707] ? should_fail+0x22d/0xd01 [ 365.336588] ? find_held_lock+0x36/0x1c0 [ 365.340659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.345782] ? __lock_acquire+0x62f/0x4c20 [ 365.350012] ? should_fail+0x22d/0xd01 [ 365.353927] ? __update_load_avg_blocked_se+0x690/0x690 [ 365.359316] ? mark_held_locks+0x130/0x130 [ 365.363559] ? mark_held_locks+0x130/0x130 [ 365.367800] ? __lock_is_held+0xb5/0x140 [ 365.372546] ? zap_class+0x640/0x640 [ 365.376253] ? update_curr+0x344/0xbd0 [ 365.380140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.385672] ? check_preemption_disabled+0x48/0x280 [ 365.390703] ? __lock_is_held+0xb5/0x140 [ 365.394771] __alloc_pages_nodemask+0xa80/0xde0 [ 365.399435] ? zap_class+0x640/0x640 [ 365.403153] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 365.408176] ? find_held_lock+0x36/0x1c0 [ 365.412242] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.416912] ? lock_downgrade+0x900/0x900 [ 365.421063] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 365.426598] cache_grow_begin+0xa5/0x8c0 [ 365.430660] ? do_raw_spin_unlock+0xa7/0x330 [ 365.435071] fallback_alloc+0x204/0x2e0 [ 365.439057] ____cache_alloc_node+0x1c7/0x1e0 [ 365.443552] kmem_cache_alloc+0x1f8/0x730 [ 365.447755] skb_clone+0x1bb/0x500 [ 365.451292] ? skb_split+0x11e0/0x11e0 [ 365.455180] ? kasan_check_read+0x11/0x20 [ 365.459337] ? __schedule+0x168a/0x21d0 [ 365.463307] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.468407] ? lock_pin_lock+0x350/0x350 [ 365.472976] bpf_clone_redirect+0xb9/0x490 [ 365.477209] ? __schedule+0x168a/0x21d0 [ 365.481186] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 365.486199] ? __sched_text_start+0x8/0x8 [ 365.490340] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 365.495103] ? find_held_lock+0x36/0x1c0 [ 365.499165] ? lock_acquire+0x1ed/0x520 [ 365.503132] ? bpf_test_run+0x3cb/0x780 [ 365.507107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.512642] ? check_preemption_disabled+0x48/0x280 [ 365.517660] ? kasan_check_read+0x11/0x20 [ 365.521807] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.527080] ? rcu_softirq_qs+0x20/0x20 [ 365.531056] ? preempt_schedule+0x4d/0x60 [ 365.535210] ? ___preempt_schedule+0x16/0x18 [ 365.539620] ? bpf_test_run+0x25d/0x780 [ 365.543603] ? netlink_diag_dump+0x2a0/0x2a0 [ 365.548021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.553555] ? bpf_test_init.isra.10+0x70/0x100 [ 365.558225] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 365.562989] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 365.567827] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 365.574089] ? fput+0x130/0x1a0 [ 365.577367] ? __bpf_prog_get+0x9b/0x290 [ 365.581429] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 365.586265] ? bpf_prog_test_run+0x130/0x1a0 [ 365.590671] ? __x64_sys_bpf+0x3d8/0x520 [ 365.594737] ? bpf_prog_get+0x20/0x20 [ 365.598552] ? do_syscall_64+0x1b9/0x820 [ 365.602611] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 365.607973] ? syscall_return_slowpath+0x5e0/0x5e0 [ 365.612897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.617742] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.622761] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 365.627774] ? prepare_exit_to_usermode+0x291/0x3b0 [ 365.632805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.637653] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.643033] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 365.643139] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.649810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.660275] syz-executor4 cpuset=syz4 mems_allowed=0 [ 365.669622] Call Trace: [ 365.677773] dump_stack+0x244/0x39d [ 365.681410] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.686622] warn_alloc.cold.116+0xb7/0x1bd [ 365.690942] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.695784] ? lock_downgrade+0x900/0x900 [ 365.699932] ? trace_hardirqs_off+0xb8/0x310 [ 365.704345] ? trace_hardirqs_off+0xb8/0x310 [ 365.708764] __alloc_pages_slowpath+0x26e8/0x2e10 [ 365.713637] ? warn_alloc+0x120/0x120 [ 365.717435] ? print_usage_bug+0xc0/0xc0 [ 365.721512] ? warn_alloc+0x120/0x120 [ 365.725312] ? warn_alloc+0x120/0x120 [ 365.729111] ? print_usage_bug+0xc0/0xc0 [ 365.733181] ? print_usage_bug+0xc0/0xc0 [ 365.737239] ? __lock_acquire+0x62f/0x4c20 [ 365.741469] ? __lock_acquire+0x62f/0x4c20 [ 365.745700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.751238] ? should_fail+0x22d/0xd01 [ 365.755122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.760220] ? __lock_acquire+0x62f/0x4c20 [ 365.764453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.769566] ? __lock_acquire+0x62f/0x4c20 [ 365.774092] ? should_fail+0x22d/0xd01 [ 365.777982] ? find_held_lock+0x36/0x1c0 [ 365.782043] ? mark_held_locks+0x130/0x130 [ 365.786279] ? mark_held_locks+0x130/0x130 [ 365.790506] ? zap_class+0x640/0x640 [ 365.794219] ? zap_class+0x640/0x640 [ 365.797930] ? print_usage_bug+0xc0/0xc0 [ 365.802549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.808083] ? check_preemption_disabled+0x48/0x280 [ 365.813123] ? __lock_is_held+0xb5/0x140 [ 365.817197] __alloc_pages_nodemask+0xa80/0xde0 [ 365.821862] ? zap_class+0x640/0x640 [ 365.825577] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 365.830592] ? find_held_lock+0x36/0x1c0 [ 365.834657] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.839317] ? lock_downgrade+0x900/0x900 [ 365.843464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.849011] cache_grow_begin+0xa5/0x8c0 [ 365.853061] ? do_raw_spin_unlock+0xa7/0x330 [ 365.857470] fallback_alloc+0x204/0x2e0 [ 365.861446] ____cache_alloc_node+0x1c7/0x1e0 [ 365.865937] kmem_cache_alloc_node+0xe3/0x730 [ 365.870701] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.874944] __alloc_skb+0x119/0x770 [ 365.878656] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.883929] ? netdev_alloc_frag+0x1f0/0x1f0 [ 365.888335] ? lock_downgrade+0x900/0x900 [ 365.892491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.898034] ? refcount_sub_and_test_checked+0x203/0x310 [ 365.903916] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 365.909450] ? addrconf_rs_timer+0x690/0x690 [ 365.913890] ndisc_alloc_skb+0x144/0x340 [ 365.917987] ndisc_send_rs+0x331/0x6e0 [ 365.921882] addrconf_rs_timer+0x314/0x690 [ 365.926116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.930446] call_timer_fn+0x272/0x920 [ 365.934327] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.938556] ? process_timeout+0x40/0x40 [ 365.942618] ? __run_timers+0x7da/0xc70 [ 365.946591] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.951080] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.955570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.959803] ? lockdep_hardirqs_on+0x296/0x5b0 [ 365.964386] ? trace_hardirqs_on+0xbd/0x310 [ 365.968713] ? kasan_check_read+0x11/0x20 [ 365.973210] ? __run_timers+0x7da/0xc70 [ 365.977183] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.982284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.986519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.990748] __run_timers+0x7e5/0xc70 [ 365.994555] ? timer_fixup_init+0x70/0x70 [ 365.998702] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.003190] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.007683] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 366.012267] ? trace_hardirqs_on+0xbd/0x310 [ 366.016582] ? kasan_check_read+0x11/0x20 [ 366.020858] ? finish_task_switch+0x1f4/0x910 [ 366.025347] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.030532] ? compat_start_thread+0x80/0x80 [ 366.034958] ? pvclock_read_flags+0x160/0x160 [ 366.039444] ? __switch_to_asm+0x34/0x70 [ 366.043502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.049033] ? check_preemption_disabled+0x48/0x280 [ 366.054055] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 366.059587] ? rcu_pm_notify+0xc0/0xc0 [ 366.063468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.068999] ? check_preemption_disabled+0x48/0x280 [ 366.074305] run_timer_softirq+0x52/0xb0 [ 366.078366] ? rcu_read_lock_sched_held+0x14f/0x180 [ 366.083378] __do_softirq+0x308/0xb7e [ 366.087196] ? trace_hardirqs_on_caller+0xc0/0x310 [ 366.092125] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 366.097238] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.102706] ? schedule+0x108/0x460 [ 366.106338] ? trace_hardirqs_off+0xb8/0x310 [ 366.110745] ? smpboot_thread_fn+0x68b/0xa00 [ 366.115150] ? trace_hardirqs_on+0x310/0x310 [ 366.119561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.125093] ? check_preemption_disabled+0x48/0x280 [ 366.130119] ? takeover_tasklets+0xa90/0xa90 [ 366.134527] run_ksoftirqd+0x5e/0x100 [ 366.138325] smpboot_thread_fn+0x68b/0xa00 [ 366.142555] ? sort_range+0x30/0x30 [ 366.146178] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 366.151276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.156833] ? __kthread_parkme+0xfb/0x1a0 [ 366.161080] ? sort_range+0x30/0x30 [ 366.164708] kthread+0x35a/0x440 [ 366.168070] ? kthread_stop+0x900/0x900 [ 366.172328] ret_from_fork+0x3a/0x50 [ 366.176062] warn_alloc_show_mem: 1 callbacks suppressed [ 366.176072] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 366.176074] Mem-Info: [ 366.176106] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 366.176106] active_file:10 inactive_file:14 isolated_file:0 [ 366.176106] unevictable:0 dirty:0 writeback:0 unstable:0 [ 366.176106] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 366.176106] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 366.176106] free:13688 free_pcp:208 free_cma:0 [ 366.181442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.188714] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 366.191106] Call Trace: [ 366.224138] 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 [ 366.233487] dump_stack+0x244/0x39d [ 366.261125] lowmem_reserve[]: 0 2818 6321 6321 [ 366.263710] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.290107] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 366.293736] warn_alloc.cold.116+0xb7/0x1bd [ 366.298368] lowmem_reserve[]: 0 0 3503 3503 [ 366.303554] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.330850] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 366.335162] ? lock_downgrade+0x900/0x900 [ 366.339452] lowmem_reserve[]: 0 0 0 0 [ 366.344290] ? trace_hardirqs_off+0xb8/0x310 [ 366.373548] 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 [ 366.377701] ? trace_hardirqs_off+0xb8/0x310 [ 366.381476] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 366.385880] __alloc_pages_slowpath+0x26e8/0x2e10 [ 366.399366] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 366.403790] ? warn_alloc+0x120/0x120 [ 366.419452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 366.424275] ? zap_class+0x640/0x640 [ 366.439176] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 366.442973] ? warn_alloc+0x120/0x120 [ 366.451902] 1671 total pagecache pages [ 366.455603] ? warn_alloc+0x120/0x120 [ 366.464152] 0 pages in swap cache [ 366.467932] ? __lock_acquire+0x62f/0x4c20 [ 366.472123] Swap cache stats: add 0, delete 0, find 0/0 [ 366.472130] Free swap = 0kB [ 366.475919] ? print_usage_bug+0xc0/0xc0 [ 366.479345] Total swap = 0kB [ 366.483574] ? print_usage_bug+0xc0/0xc0 [ 366.488907] 1965979 pages RAM [ 366.491919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.495946] 0 pages HighMem/MovableOnly [ 366.495954] 342853 pages reserved [ 366.498960] ? should_fail+0x22d/0xd01 [ 366.502989] 0 pages cma reserved [ 366.503071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.506085] ? find_held_lock+0x36/0x1c0 [ 366.506103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.506119] ? __lock_acquire+0x62f/0x4c20 [ 366.511712] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.515606] ? should_fail+0x22d/0xd01 [ 366.519031] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 366.522905] ? __update_load_avg_blocked_se+0x690/0x690 [ 366.570986] ? mark_held_locks+0x130/0x130 [ 366.575227] ? mark_held_locks+0x130/0x130 [ 366.579455] ? __lock_is_held+0xb5/0x140 [ 366.583520] ? zap_class+0x640/0x640 [ 366.587233] ? update_curr+0x344/0xbd0 [ 366.591121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.596661] ? check_preemption_disabled+0x48/0x280 [ 366.601685] ? __lock_is_held+0xb5/0x140 [ 366.605754] __alloc_pages_nodemask+0xa80/0xde0 [ 366.610506] ? zap_class+0x640/0x640 [ 366.614218] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 366.619241] ? find_held_lock+0x36/0x1c0 [ 366.623309] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.627974] ? lock_downgrade+0x900/0x900 [ 366.632137] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.637679] cache_grow_begin+0xa5/0x8c0 [ 366.641732] ? do_raw_spin_unlock+0xa7/0x330 [ 366.646151] fallback_alloc+0x204/0x2e0 [ 366.650126] ____cache_alloc_node+0x1c7/0x1e0 [ 366.654623] kmem_cache_alloc+0x1f8/0x730 [ 366.658783] skb_clone+0x1bb/0x500 [ 366.662326] ? skb_split+0x11e0/0x11e0 [ 366.666212] ? kasan_check_read+0x11/0x20 [ 366.670880] ? __schedule+0x168a/0x21d0 [ 366.674850] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.679952] ? lock_pin_lock+0x350/0x350 [ 366.684020] bpf_clone_redirect+0xb9/0x490 [ 366.688252] ? __schedule+0x168a/0x21d0 [ 366.692227] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 366.697241] ? __sched_text_start+0x8/0x8 [ 366.701404] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 366.706165] ? find_held_lock+0x36/0x1c0 [ 366.710233] ? lock_acquire+0x1ed/0x520 [ 366.714201] ? bpf_test_run+0x3cb/0x780 [ 366.718172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.723708] ? check_preemption_disabled+0x48/0x280 [ 366.728744] ? kasan_check_read+0x11/0x20 [ 366.732888] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.738157] ? rcu_softirq_qs+0x20/0x20 [ 366.742126] ? preempt_schedule+0x4d/0x60 [ 366.746271] ? ___preempt_schedule+0x16/0x18 [ 366.750681] ? bpf_test_run+0x25d/0x780 [ 366.754665] ? netlink_diag_dump+0x2a0/0x2a0 [ 366.759074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.764606] ? bpf_test_init.isra.10+0x70/0x100 [ 366.769283] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 366.774602] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.779445] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.784976] ? fput+0x130/0x1a0 [ 366.788253] ? __bpf_prog_get+0x9b/0x290 [ 366.792312] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.797147] ? bpf_prog_test_run+0x130/0x1a0 [ 366.801550] ? __x64_sys_bpf+0x3d8/0x520 [ 366.805603] ? bpf_prog_get+0x20/0x20 [ 366.809425] ? do_syscall_64+0x1b9/0x820 [ 366.813481] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.818847] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.823773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.828635] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.833655] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 366.838668] ? prepare_exit_to_usermode+0x291/0x3b0 [ 366.843773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.848883] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.854282] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 366.854393] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.861037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.872239] syz-executor4 cpuset=syz4 mems_allowed=0 [ 366.881576] Call Trace: [ 366.889227] dump_stack+0x244/0x39d [ 366.892854] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.898052] warn_alloc.cold.116+0xb7/0x1bd [ 366.902372] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.907212] ? lock_downgrade+0x900/0x900 [ 366.911381] ? trace_hardirqs_off+0xb8/0x310 [ 366.915791] ? trace_hardirqs_off+0xb8/0x310 [ 366.920202] __alloc_pages_slowpath+0x26e8/0x2e10 [ 366.925064] ? warn_alloc+0x120/0x120 [ 366.928867] ? print_usage_bug+0xc0/0xc0 [ 366.932926] ? warn_alloc+0x120/0x120 [ 366.936743] ? warn_alloc+0x120/0x120 [ 366.940538] ? print_usage_bug+0xc0/0xc0 [ 366.944621] ? print_usage_bug+0xc0/0xc0 [ 366.948680] ? print_usage_bug+0xc0/0xc0 [ 366.952738] ? __lock_acquire+0x62f/0x4c20 [ 366.956974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.962506] ? should_fail+0x22d/0xd01 [ 366.966397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.971841] ? __lock_acquire+0x62f/0x4c20 [ 366.976077] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.981172] ? __lock_acquire+0x62f/0x4c20 [ 366.985414] ? should_fail+0x22d/0xd01 [ 366.989296] ? find_held_lock+0x36/0x1c0 [ 366.993362] ? mark_held_locks+0x130/0x130 [ 366.997599] ? mark_held_locks+0x130/0x130 [ 367.001834] ? zap_class+0x640/0x640 [ 367.005550] ? zap_class+0x640/0x640 [ 367.009261] ? print_usage_bug+0xc0/0xc0 [ 367.013313] ? do_raw_spin_unlock+0xa7/0x330 [ 367.018011] ? zap_class+0x640/0x640 [ 367.021720] ? print_usage_bug+0xc0/0xc0 [ 367.025790] ? wq_watchdog_touch+0x9c/0xfe [ 367.031013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.036548] ? check_preemption_disabled+0x48/0x280 [ 367.041571] ? __lock_is_held+0xb5/0x140 [ 367.045637] __alloc_pages_nodemask+0xa80/0xde0 [ 367.050302] ? zap_class+0x640/0x640 [ 367.054015] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 367.059037] ? find_held_lock+0x36/0x1c0 [ 367.063108] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.067788] ? lock_downgrade+0x900/0x900 [ 367.072256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.077793] cache_grow_begin+0xa5/0x8c0 [ 367.081852] ? do_raw_spin_unlock+0xa7/0x330 [ 367.086270] fallback_alloc+0x204/0x2e0 [ 367.090244] ____cache_alloc_node+0x1c7/0x1e0 [ 367.094755] kmem_cache_alloc_node+0xe3/0x730 [ 367.099252] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.103491] __alloc_skb+0x119/0x770 [ 367.107198] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.112473] ? netdev_alloc_frag+0x1f0/0x1f0 [ 367.116880] ? lock_downgrade+0x900/0x900 [ 367.121055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.126587] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.132044] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.137501] ? addrconf_rs_timer+0x690/0x690 [ 367.141914] ndisc_alloc_skb+0x144/0x340 [ 367.145975] ndisc_send_rs+0x331/0x6e0 [ 367.149880] addrconf_rs_timer+0x314/0x690 [ 367.154115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.158441] call_timer_fn+0x272/0x920 [ 367.162436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.166674] ? process_timeout+0x40/0x40 [ 367.171026] ? __run_timers+0x7da/0xc70 [ 367.175019] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.179508] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.183995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.188229] ? lockdep_hardirqs_on+0x296/0x5b0 [ 367.192817] ? trace_hardirqs_on+0xbd/0x310 [ 367.197136] ? kasan_check_read+0x11/0x20 [ 367.201275] ? __run_timers+0x7da/0xc70 [ 367.205245] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.210353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.214581] __run_timers+0x7e5/0xc70 [ 367.218392] ? timer_fixup_init+0x70/0x70 [ 367.222535] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.227027] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.231515] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 367.236107] ? trace_hardirqs_on+0xbd/0x310 [ 367.240438] ? kasan_check_read+0x11/0x20 [ 367.244583] ? finish_task_switch+0x1f4/0x910 [ 367.249078] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.254177] ? compat_start_thread+0x80/0x80 [ 367.258606] ? pvclock_read_flags+0x160/0x160 [ 367.263097] ? __switch_to_asm+0x34/0x70 [ 367.267154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.273011] ? check_preemption_disabled+0x48/0x280 [ 367.278049] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 367.283591] ? rcu_pm_notify+0xc0/0xc0 [ 367.287476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.293009] ? check_preemption_disabled+0x48/0x280 [ 367.298029] run_timer_softirq+0x52/0xb0 [ 367.302088] ? rcu_read_lock_sched_held+0x14f/0x180 [ 367.307106] __do_softirq+0x308/0xb7e [ 367.310906] ? trace_hardirqs_on_caller+0xc0/0x310 [ 367.315834] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 367.320938] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.326391] ? schedule+0x108/0x460 [ 367.330023] ? trace_hardirqs_off+0xb8/0x310 [ 367.334431] ? smpboot_thread_fn+0x68b/0xa00 [ 367.338839] ? trace_hardirqs_on+0x310/0x310 [ 367.343249] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.348783] ? check_preemption_disabled+0x48/0x280 [ 367.353885] ? takeover_tasklets+0xa90/0xa90 [ 367.358291] run_ksoftirqd+0x5e/0x100 [ 367.362083] smpboot_thread_fn+0x68b/0xa00 [ 367.366319] ? sort_range+0x30/0x30 [ 367.369945] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.375342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.380877] ? __kthread_parkme+0xfb/0x1a0 [ 367.385115] ? sort_range+0x30/0x30 [ 367.388740] kthread+0x35a/0x440 [ 367.392278] ? kthread_stop+0x900/0x900 [ 367.396263] ret_from_fork+0x3a/0x50 [ 367.399980] warn_alloc_show_mem: 1 callbacks suppressed [ 367.399990] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 367.399992] Mem-Info: [ 367.400025] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 367.400025] active_file:10 inactive_file:14 isolated_file:0 [ 367.400025] unevictable:0 dirty:0 writeback:0 unstable:0 [ 367.400025] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 367.400025] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 367.400025] free:13688 free_pcp:208 free_cma:0 [ 367.405358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.412631] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 367.415018] Call Trace: [ 367.448046] 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 [ 367.457394] dump_stack+0x244/0x39d [ 367.485314] lowmem_reserve[]: 0 2818 6321 6321 [ 367.487904] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.513984] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 367.517614] warn_alloc.cold.116+0xb7/0x1bd [ 367.522340] lowmem_reserve[]: 0 0 3503 3503 [ 367.527528] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 367.554823] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 367.559136] ? lock_downgrade+0x900/0x900 [ 367.563429] lowmem_reserve[]: 0 0 0 0 [ 367.568264] ? trace_hardirqs_off+0xb8/0x310 [ 367.597569] 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 [ 367.601718] ? trace_hardirqs_off+0xb8/0x310 [ 367.605485] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 367.609892] __alloc_pages_slowpath+0x26e8/0x2e10 [ 367.623381] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 367.627805] ? warn_alloc+0x120/0x120 [ 367.643451] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 367.648298] ? zap_class+0x640/0x640 [ 367.663188] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 367.666971] ? warn_alloc+0x120/0x120 [ 367.676094] 1671 total pagecache pages [ 367.679796] ? warn_alloc+0x120/0x120 [ 367.688363] 0 pages in swap cache [ 367.692151] ? __lock_acquire+0x62f/0x4c20 [ 367.696012] Swap cache stats: add 0, delete 0, find 0/0 [ 367.699795] ? print_usage_bug+0xc0/0xc0 [ 367.703223] Free swap = 0kB [ 367.707446] ? print_usage_bug+0xc0/0xc0 [ 367.712788] Total swap = 0kB [ 367.712797] 1965979 pages RAM [ 367.716853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.719831] 0 pages HighMem/MovableOnly [ 367.719838] 342853 pages reserved [ 367.723886] ? should_fail+0x22d/0xd01 [ 367.726874] 0 pages cma reserved [ 367.729968] ? find_held_lock+0x36/0x1c0 [ 367.735533] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.739443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.742919] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.746745] ? __lock_acquire+0x62f/0x4c20 [ 367.750080] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 367.754131] ? should_fail+0x22d/0xd01 [ 367.789354] ? __update_load_avg_blocked_se+0x690/0x690 [ 367.794724] ? mark_held_locks+0x130/0x130 [ 367.798963] ? mark_held_locks+0x130/0x130 [ 367.803205] ? __lock_is_held+0xb5/0x140 [ 367.807273] ? zap_class+0x640/0x640 [ 367.810986] ? update_curr+0x344/0xbd0 [ 367.814873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.820407] ? check_preemption_disabled+0x48/0x280 [ 367.825428] ? __lock_is_held+0xb5/0x140 [ 367.829496] __alloc_pages_nodemask+0xa80/0xde0 [ 367.834164] ? zap_class+0x640/0x640 [ 367.837882] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 367.842905] ? find_held_lock+0x36/0x1c0 [ 367.846969] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.851636] ? lock_downgrade+0x900/0x900 [ 367.855791] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 367.861345] cache_grow_begin+0xa5/0x8c0 [ 367.865486] ? do_raw_spin_unlock+0xa7/0x330 [ 367.870575] fallback_alloc+0x204/0x2e0 [ 367.874559] ____cache_alloc_node+0x1c7/0x1e0 [ 367.879056] kmem_cache_alloc+0x1f8/0x730 [ 367.883213] skb_clone+0x1bb/0x500 [ 367.886753] ? skb_split+0x11e0/0x11e0 [ 367.890640] ? kasan_check_read+0x11/0x20 [ 367.894788] ? __schedule+0x168a/0x21d0 [ 367.898760] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.903855] ? lock_pin_lock+0x350/0x350 [ 367.907920] bpf_clone_redirect+0xb9/0x490 [ 367.912151] ? __schedule+0x168a/0x21d0 [ 367.916128] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 367.921145] ? __sched_text_start+0x8/0x8 [ 367.925294] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 367.930056] ? find_held_lock+0x36/0x1c0 [ 367.934121] ? lock_acquire+0x1ed/0x520 [ 367.938092] ? bpf_test_run+0x3cb/0x780 [ 367.942065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.947598] ? check_preemption_disabled+0x48/0x280 [ 367.952613] ? kasan_check_read+0x11/0x20 [ 367.956759] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.962031] ? rcu_softirq_qs+0x20/0x20 [ 367.966002] ? preempt_schedule+0x4d/0x60 [ 367.970559] ? ___preempt_schedule+0x16/0x18 [ 367.974972] ? bpf_test_run+0x25d/0x780 [ 367.978953] ? netlink_diag_dump+0x2a0/0x2a0 [ 367.983357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.988887] ? bpf_test_init.isra.10+0x70/0x100 [ 367.993574] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 367.998335] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 368.003174] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 368.008706] ? fput+0x130/0x1a0 [ 368.011987] ? __bpf_prog_get+0x9b/0x290 [ 368.016054] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 368.020890] ? bpf_prog_test_run+0x130/0x1a0 [ 368.025299] ? __x64_sys_bpf+0x3d8/0x520 [ 368.029379] ? bpf_prog_get+0x20/0x20 [ 368.033196] ? do_syscall_64+0x1b9/0x820 [ 368.037252] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 368.042628] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.047570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.052409] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.057434] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 368.062447] ? prepare_exit_to_usermode+0x291/0x3b0 [ 368.067470] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.072831] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.078206] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 368.078316] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.084963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.095442] syz-executor4 cpuset=syz4 mems_allowed=0 [ 368.104780] Call Trace: [ 368.112451] dump_stack+0x244/0x39d [ 368.116080] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.121276] warn_alloc.cold.116+0xb7/0x1bd [ 368.125596] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.130438] ? lock_downgrade+0x900/0x900 [ 368.134590] ? trace_hardirqs_off+0xb8/0x310 [ 368.139003] ? trace_hardirqs_off+0xb8/0x310 [ 368.143416] __alloc_pages_slowpath+0x26e8/0x2e10 [ 368.148280] ? warn_alloc+0x120/0x120 [ 368.152077] ? print_usage_bug+0xc0/0xc0 [ 368.156136] ? warn_alloc+0x120/0x120 [ 368.159935] ? warn_alloc+0x120/0x120 [ 368.163732] ? print_usage_bug+0xc0/0xc0 [ 368.167799] ? print_usage_bug+0xc0/0xc0 [ 368.172219] ? __lock_acquire+0x62f/0x4c20 [ 368.176453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.181984] ? should_fail+0x22d/0xd01 [ 368.185870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.190968] ? __lock_acquire+0x62f/0x4c20 [ 368.195200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.200297] ? __lock_acquire+0x62f/0x4c20 [ 368.204541] ? should_fail+0x22d/0xd01 [ 368.208425] ? find_held_lock+0x36/0x1c0 [ 368.212491] ? mark_held_locks+0x130/0x130 [ 368.216736] ? mark_held_locks+0x130/0x130 [ 368.220964] ? zap_class+0x640/0x640 [ 368.224670] ? zap_class+0x640/0x640 [ 368.228385] ? print_usage_bug+0xc0/0xc0 [ 368.232439] ? do_raw_spin_unlock+0xa7/0x330 [ 368.236860] ? zap_class+0x640/0x640 [ 368.240571] ? print_usage_bug+0xc0/0xc0 [ 368.244627] ? wq_watchdog_touch+0x9c/0xfe [ 368.248876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.254408] ? check_preemption_disabled+0x48/0x280 [ 368.259428] ? __lock_is_held+0xb5/0x140 [ 368.263502] __alloc_pages_nodemask+0xa80/0xde0 [ 368.268165] ? zap_class+0x640/0x640 [ 368.272335] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 368.277357] ? find_held_lock+0x36/0x1c0 [ 368.281423] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.286184] ? lock_downgrade+0x900/0x900 [ 368.290332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.295867] cache_grow_begin+0xa5/0x8c0 [ 368.299921] ? do_raw_spin_unlock+0xa7/0x330 [ 368.304412] fallback_alloc+0x204/0x2e0 [ 368.308383] ____cache_alloc_node+0x1c7/0x1e0 [ 368.312887] kmem_cache_alloc_node+0xe3/0x730 [ 368.317373] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.321613] __alloc_skb+0x119/0x770 [ 368.325337] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.330715] ? netdev_alloc_frag+0x1f0/0x1f0 [ 368.335120] ? lock_downgrade+0x900/0x900 [ 368.339286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.344820] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.350280] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.355726] ? addrconf_rs_timer+0x690/0x690 [ 368.360144] ndisc_alloc_skb+0x144/0x340 [ 368.364208] ndisc_send_rs+0x331/0x6e0 [ 368.368095] addrconf_rs_timer+0x314/0x690 [ 368.372610] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.376852] call_timer_fn+0x272/0x920 [ 368.380733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.384971] ? process_timeout+0x40/0x40 [ 368.389044] ? __run_timers+0x7da/0xc70 [ 368.393016] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.397512] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.402001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.406247] ? lockdep_hardirqs_on+0x296/0x5b0 [ 368.410831] ? trace_hardirqs_on+0xbd/0x310 [ 368.415144] ? kasan_check_read+0x11/0x20 [ 368.419286] ? __run_timers+0x7da/0xc70 [ 368.423256] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.428359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.432590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.436815] __run_timers+0x7e5/0xc70 [ 368.440620] ? timer_fixup_init+0x70/0x70 [ 368.444767] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.449254] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.453764] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 368.458341] ? trace_hardirqs_on+0xbd/0x310 [ 368.462657] ? kasan_check_read+0x11/0x20 [ 368.466801] ? finish_task_switch+0x1f4/0x910 [ 368.471634] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.476733] ? compat_start_thread+0x80/0x80 [ 368.481157] ? pvclock_read_flags+0x160/0x160 [ 368.485643] ? __switch_to_asm+0x34/0x70 [ 368.489703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.495250] ? check_preemption_disabled+0x48/0x280 [ 368.500268] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 368.505803] ? rcu_pm_notify+0xc0/0xc0 [ 368.509687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.515223] ? check_preemption_disabled+0x48/0x280 [ 368.520238] run_timer_softirq+0x52/0xb0 [ 368.524291] ? rcu_read_lock_sched_held+0x14f/0x180 [ 368.529308] __do_softirq+0x308/0xb7e [ 368.533120] ? trace_hardirqs_on_caller+0xc0/0x310 [ 368.538048] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 368.543146] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.548595] ? schedule+0x108/0x460 [ 368.552222] ? trace_hardirqs_off+0xb8/0x310 [ 368.556627] ? smpboot_thread_fn+0x68b/0xa00 [ 368.561027] ? trace_hardirqs_on+0x310/0x310 [ 368.565427] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.571248] ? check_preemption_disabled+0x48/0x280 [ 368.576259] ? takeover_tasklets+0xa90/0xa90 [ 368.580665] run_ksoftirqd+0x5e/0x100 [ 368.584461] smpboot_thread_fn+0x68b/0xa00 [ 368.588703] ? sort_range+0x30/0x30 [ 368.592328] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.597424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.602956] ? __kthread_parkme+0xfb/0x1a0 [ 368.607190] ? sort_range+0x30/0x30 [ 368.610808] kthread+0x35a/0x440 [ 368.614170] ? kthread_stop+0x900/0x900 [ 368.618138] ret_from_fork+0x3a/0x50 [ 368.621869] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 368.621873] warn_alloc_show_mem: 1 callbacks suppressed [ 368.621880] Mem-Info: [ 368.629141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.634523] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 368.634523] active_file:10 inactive_file:14 isolated_file:0 [ 368.634523] unevictable:0 dirty:0 writeback:0 unstable:0 [ 368.634523] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 368.634523] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 368.634523] free:13688 free_pcp:208 free_cma:0 [ 368.636892] Call Trace: [ 368.646268] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.679571] dump_stack+0x244/0x39d [ 368.682126] 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 [ 368.709904] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.713586] lowmem_reserve[]: 0 2818 6321 6321 [ 368.739699] warn_alloc.cold.116+0xb7/0x1bd [ 368.744871] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 368.749444] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.753747] lowmem_reserve[]: 0 0 3503 3503 [ 368.781632] ? lock_downgrade+0x900/0x900 [ 368.786468] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 368.790785] ? trace_hardirqs_off+0xb8/0x310 [ 368.794891] lowmem_reserve[]: 0 0 0 0 [ 368.823861] ? trace_hardirqs_off+0xb8/0x310 [ 368.828235] 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 [ 368.832033] __alloc_pages_slowpath+0x26e8/0x2e10 [ 368.836410] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 368.850146] ? warn_alloc+0x120/0x120 [ 368.854944] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 368.871366] ? zap_class+0x640/0x640 [ 368.875144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 368.890037] ? warn_alloc+0x120/0x120 [ 368.893727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 368.902545] ? warn_alloc+0x120/0x120 [ 368.906314] 1671 total pagecache pages [ 368.914969] ? __lock_acquire+0x62f/0x4c20 [ 368.918761] 0 pages in swap cache [ 368.922649] ? print_usage_bug+0xc0/0xc0 [ 368.926861] Swap cache stats: add 0, delete 0, find 0/0 [ 368.930308] ? print_usage_bug+0xc0/0xc0 [ 368.934353] Free swap = 0kB [ 368.939715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.943746] Total swap = 0kB [ 368.946751] ? should_fail+0x22d/0xd01 [ 368.952259] 1965979 pages RAM [ 368.955266] ? find_held_lock+0x36/0x1c0 [ 368.959139] 0 pages HighMem/MovableOnly [ 368.959146] 342853 pages reserved [ 368.962240] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.966269] 0 pages cma reserved [ 368.970918] ? __lock_acquire+0x62f/0x4c20 [ 368.974421] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 368.979463] ? should_fail+0x22d/0xd01 [ 368.979488] ? __update_load_avg_blocked_se+0x690/0x690 [ 368.979510] ? mark_held_locks+0x130/0x130 [ 368.982894] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.987068] ? mark_held_locks+0x130/0x130 [ 368.993531] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 368.997405] ? __lock_is_held+0xb5/0x140 [ 369.030683] ? zap_class+0x640/0x640 [ 369.034392] ? update_curr+0x344/0xbd0 [ 369.038278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.043812] ? check_preemption_disabled+0x48/0x280 [ 369.048835] ? __lock_is_held+0xb5/0x140 [ 369.052913] __alloc_pages_nodemask+0xa80/0xde0 [ 369.057580] ? zap_class+0x640/0x640 [ 369.061309] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 369.066330] ? find_held_lock+0x36/0x1c0 [ 369.071091] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.075757] ? lock_downgrade+0x900/0x900 [ 369.079907] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.085452] cache_grow_begin+0xa5/0x8c0 [ 369.089510] ? do_raw_spin_unlock+0xa7/0x330 [ 369.093922] fallback_alloc+0x204/0x2e0 [ 369.097896] ____cache_alloc_node+0x1c7/0x1e0 [ 369.102393] kmem_cache_alloc+0x1f8/0x730 [ 369.106570] skb_clone+0x1bb/0x500 [ 369.110106] ? skb_split+0x11e0/0x11e0 [ 369.113992] ? kasan_check_read+0x11/0x20 [ 369.118138] ? __schedule+0x168a/0x21d0 [ 369.122110] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.127217] ? lock_pin_lock+0x350/0x350 [ 369.131295] bpf_clone_redirect+0xb9/0x490 [ 369.135543] ? __schedule+0x168a/0x21d0 [ 369.139515] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 369.144528] ? __sched_text_start+0x8/0x8 [ 369.148670] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.153433] ? find_held_lock+0x36/0x1c0 [ 369.157499] ? lock_acquire+0x1ed/0x520 [ 369.161472] ? bpf_test_run+0x3cb/0x780 [ 369.165448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.171514] ? check_preemption_disabled+0x48/0x280 [ 369.176526] ? kasan_check_read+0x11/0x20 [ 369.180671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.185943] ? rcu_softirq_qs+0x20/0x20 [ 369.189916] ? preempt_schedule+0x4d/0x60 [ 369.194061] ? ___preempt_schedule+0x16/0x18 [ 369.198472] ? bpf_test_run+0x25d/0x780 [ 369.202479] ? netlink_diag_dump+0x2a0/0x2a0 [ 369.206895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.212435] ? bpf_test_init.isra.10+0x70/0x100 [ 369.217107] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 369.221868] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.226709] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.232239] ? fput+0x130/0x1a0 [ 369.235515] ? __bpf_prog_get+0x9b/0x290 [ 369.239594] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.244447] ? bpf_prog_test_run+0x130/0x1a0 [ 369.248852] ? __x64_sys_bpf+0x3d8/0x520 [ 369.252910] ? bpf_prog_get+0x20/0x20 [ 369.256728] ? do_syscall_64+0x1b9/0x820 [ 369.260897] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.266256] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.271697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.276537] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.281550] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.286572] ? prepare_exit_to_usermode+0x291/0x3b0 [ 369.291589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.296458] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.301835] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 369.301945] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.308603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.319091] syz-executor4 cpuset=syz4 mems_allowed=0 [ 369.328421] Call Trace: [ 369.328439] dump_stack+0x244/0x39d [ 369.339694] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.344891] warn_alloc.cold.116+0xb7/0x1bd [ 369.349207] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.354045] ? lock_downgrade+0x900/0x900 [ 369.358198] ? trace_hardirqs_off+0xb8/0x310 [ 369.362603] ? trace_hardirqs_off+0xb8/0x310 [ 369.367012] __alloc_pages_slowpath+0x26e8/0x2e10 [ 369.372335] ? warn_alloc+0x120/0x120 [ 369.376143] ? print_usage_bug+0xc0/0xc0 [ 369.380199] ? warn_alloc+0x120/0x120 [ 369.384002] ? warn_alloc+0x120/0x120 [ 369.387797] ? print_usage_bug+0xc0/0xc0 [ 369.391858] ? print_usage_bug+0xc0/0xc0 [ 369.395912] ? __lock_acquire+0x62f/0x4c20 [ 369.400165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.405696] ? should_fail+0x22d/0xd01 [ 369.409581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.414681] ? __lock_acquire+0x62f/0x4c20 [ 369.418915] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.424010] ? __lock_acquire+0x62f/0x4c20 [ 369.428255] ? should_fail+0x22d/0xd01 [ 369.432139] ? find_held_lock+0x36/0x1c0 [ 369.436201] ? mark_held_locks+0x130/0x130 [ 369.440448] ? mark_held_locks+0x130/0x130 [ 369.444680] ? zap_class+0x640/0x640 [ 369.448389] ? zap_class+0x640/0x640 [ 369.452106] ? print_usage_bug+0xc0/0xc0 [ 369.456157] ? do_raw_spin_unlock+0xa7/0x330 [ 369.460564] ? zap_class+0x640/0x640 [ 369.464284] ? print_usage_bug+0xc0/0xc0 [ 369.468358] ? wq_watchdog_touch+0x9c/0xfe [ 369.472894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.478432] ? check_preemption_disabled+0x48/0x280 [ 369.483455] ? __lock_is_held+0xb5/0x140 [ 369.487518] __alloc_pages_nodemask+0xa80/0xde0 [ 369.492184] ? zap_class+0x640/0x640 [ 369.495895] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 369.500919] ? find_held_lock+0x36/0x1c0 [ 369.504995] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.509666] ? lock_downgrade+0x900/0x900 [ 369.513818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.519353] cache_grow_begin+0xa5/0x8c0 [ 369.523432] ? do_raw_spin_unlock+0xa7/0x330 [ 369.527849] fallback_alloc+0x204/0x2e0 [ 369.531824] ____cache_alloc_node+0x1c7/0x1e0 [ 369.536318] kmem_cache_alloc_node+0xe3/0x730 [ 369.540807] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.545044] __alloc_skb+0x119/0x770 [ 369.548766] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.554045] ? netdev_alloc_frag+0x1f0/0x1f0 [ 369.558452] ? lock_downgrade+0x900/0x900 [ 369.562601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.568132] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.573844] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.579288] ? addrconf_rs_timer+0x690/0x690 [ 369.583704] ndisc_alloc_skb+0x144/0x340 [ 369.587765] ndisc_send_rs+0x331/0x6e0 [ 369.591656] addrconf_rs_timer+0x314/0x690 [ 369.595885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.600121] call_timer_fn+0x272/0x920 [ 369.604000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.608228] ? process_timeout+0x40/0x40 [ 369.612289] ? __run_timers+0x7da/0xc70 [ 369.616257] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.620744] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.625243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.629471] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.634049] ? trace_hardirqs_on+0xbd/0x310 [ 369.638367] ? kasan_check_read+0x11/0x20 [ 369.642521] ? __run_timers+0x7da/0xc70 [ 369.646495] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.651598] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.655828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.660066] __run_timers+0x7e5/0xc70 [ 369.663869] ? timer_fixup_init+0x70/0x70 [ 369.668014] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.672817] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.677308] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 369.681892] ? trace_hardirqs_on+0xbd/0x310 [ 369.686205] ? kasan_check_read+0x11/0x20 [ 369.690350] ? finish_task_switch+0x1f4/0x910 [ 369.694843] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.699939] ? compat_start_thread+0x80/0x80 [ 369.704361] ? pvclock_read_flags+0x160/0x160 [ 369.708854] ? __switch_to_asm+0x34/0x70 [ 369.712911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.718440] ? check_preemption_disabled+0x48/0x280 [ 369.723603] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 369.729158] ? rcu_pm_notify+0xc0/0xc0 [ 369.733055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.738588] ? check_preemption_disabled+0x48/0x280 [ 369.743603] run_timer_softirq+0x52/0xb0 [ 369.747661] ? rcu_read_lock_sched_held+0x14f/0x180 [ 369.752767] __do_softirq+0x308/0xb7e [ 369.756565] ? trace_hardirqs_on_caller+0xc0/0x310 [ 369.761505] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 369.766615] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.772349] ? schedule+0x108/0x460 [ 369.775986] ? trace_hardirqs_off+0xb8/0x310 [ 369.780394] ? smpboot_thread_fn+0x68b/0xa00 [ 369.784810] ? trace_hardirqs_on+0x310/0x310 [ 369.789216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.794747] ? check_preemption_disabled+0x48/0x280 [ 369.799778] ? takeover_tasklets+0xa90/0xa90 [ 369.804190] run_ksoftirqd+0x5e/0x100 [ 369.807985] smpboot_thread_fn+0x68b/0xa00 [ 369.812217] ? sort_range+0x30/0x30 [ 369.815837] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 369.820938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.826469] ? __kthread_parkme+0xfb/0x1a0 [ 369.830701] ? sort_range+0x30/0x30 [ 369.834320] kthread+0x35a/0x440 [ 369.837695] ? kthread_stop+0x900/0x900 [ 369.841663] ret_from_fork+0x3a/0x50 [ 369.845408] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 369.845412] warn_alloc_show_mem: 1 callbacks suppressed [ 369.845419] Mem-Info: [ 369.852698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.858064] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 369.858064] active_file:10 inactive_file:14 isolated_file:0 [ 369.858064] unevictable:0 dirty:0 writeback:0 unstable:0 [ 369.858064] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 369.858064] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 369.858064] free:13688 free_pcp:208 free_cma:0 [ 369.860437] Call Trace: [ 369.870220] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 369.903406] dump_stack+0x244/0x39d [ 369.905966] 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 [ 369.933629] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.937240] lowmem_reserve[]: 0 2818 6321 6321 [ 369.963363] warn_alloc.cold.116+0xb7/0x1bd [ 369.968518] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 369.973619] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.977914] lowmem_reserve[]: 0 0 3503 3503 [ 370.005231] ? lock_downgrade+0x900/0x900 [ 370.010045] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 370.014370] ? trace_hardirqs_off+0xb8/0x310 [ 370.018489] lowmem_reserve[]: 0 0 0 0 [ 370.047465] ? trace_hardirqs_off+0xb8/0x310 [ 370.051857] 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 [ 370.055657] __alloc_pages_slowpath+0x26e8/0x2e10 [ 370.060031] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 370.074145] ? warn_alloc+0x120/0x120 [ 370.078942] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 370.094626] ? zap_class+0x640/0x640 [ 370.098402] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 370.113305] ? warn_alloc+0x120/0x120 [ 370.116996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 370.125815] ? warn_alloc+0x120/0x120 [ 370.129593] 1671 total pagecache pages [ 370.138154] ? __lock_acquire+0x62f/0x4c20 [ 370.141933] 0 pages in swap cache [ 370.145803] ? print_usage_bug+0xc0/0xc0 [ 370.150009] Swap cache stats: add 0, delete 0, find 0/0 [ 370.153448] ? print_usage_bug+0xc0/0xc0 [ 370.157478] Free swap = 0kB [ 370.162840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.166873] Total swap = 0kB [ 370.170643] ? should_fail+0x22d/0xd01 [ 370.176153] 1965979 pages RAM [ 370.179158] ? find_held_lock+0x36/0x1c0 [ 370.183032] 0 pages HighMem/MovableOnly [ 370.186126] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.190154] 342853 pages reserved [ 370.190173] 0 pages cma reserved [ 370.194167] ? __lock_acquire+0x62f/0x4c20 [ 370.199300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.202682] ? should_fail+0x22d/0xd01 [ 370.206128] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.210248] ? __update_load_avg_blocked_se+0x690/0x690 [ 370.216725] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 370.220621] ? mark_held_locks+0x130/0x130 [ 370.245128] ? mark_held_locks+0x130/0x130 [ 370.249372] ? __lock_is_held+0xb5/0x140 [ 370.253440] ? zap_class+0x640/0x640 [ 370.257155] ? update_curr+0x344/0xbd0 [ 370.261042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.266576] ? check_preemption_disabled+0x48/0x280 [ 370.272290] ? __lock_is_held+0xb5/0x140 [ 370.276361] __alloc_pages_nodemask+0xa80/0xde0 [ 370.281027] ? zap_class+0x640/0x640 [ 370.284743] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.289766] ? find_held_lock+0x36/0x1c0 [ 370.293846] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.298510] ? lock_downgrade+0x900/0x900 [ 370.302662] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 370.308200] cache_grow_begin+0xa5/0x8c0 [ 370.312255] ? do_raw_spin_unlock+0xa7/0x330 [ 370.316664] fallback_alloc+0x204/0x2e0 [ 370.320643] ____cache_alloc_node+0x1c7/0x1e0 [ 370.325136] kmem_cache_alloc+0x1f8/0x730 [ 370.329308] skb_clone+0x1bb/0x500 [ 370.332853] ? skb_split+0x11e0/0x11e0 [ 370.336737] ? kasan_check_read+0x11/0x20 [ 370.340880] ? __schedule+0x168a/0x21d0 [ 370.344854] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.349953] ? lock_pin_lock+0x350/0x350 [ 370.354021] bpf_clone_redirect+0xb9/0x490 [ 370.358253] ? __schedule+0x168a/0x21d0 [ 370.362229] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 370.367244] ? __sched_text_start+0x8/0x8 [ 370.371924] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 370.376701] ? find_held_lock+0x36/0x1c0 [ 370.380765] ? lock_acquire+0x1ed/0x520 [ 370.384753] ? bpf_test_run+0x3cb/0x780 [ 370.388725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.394262] ? check_preemption_disabled+0x48/0x280 [ 370.399282] ? kasan_check_read+0x11/0x20 [ 370.403436] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.408709] ? rcu_softirq_qs+0x20/0x20 [ 370.412691] ? preempt_schedule+0x4d/0x60 [ 370.416832] ? ___preempt_schedule+0x16/0x18 [ 370.421240] ? bpf_test_run+0x25d/0x780 [ 370.425220] ? netlink_diag_dump+0x2a0/0x2a0 [ 370.429631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.435185] ? bpf_test_init.isra.10+0x70/0x100 [ 370.439856] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 370.444640] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 370.449480] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 370.455012] ? fput+0x130/0x1a0 [ 370.458290] ? __bpf_prog_get+0x9b/0x290 [ 370.462359] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 370.467196] ? bpf_prog_test_run+0x130/0x1a0 [ 370.472361] ? __x64_sys_bpf+0x3d8/0x520 [ 370.476419] ? bpf_prog_get+0x20/0x20 [ 370.480231] ? do_syscall_64+0x1b9/0x820 [ 370.484285] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 370.489654] ? syscall_return_slowpath+0x5e0/0x5e0 [ 370.494589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.499443] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.504455] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 370.509477] ? prepare_exit_to_usermode+0x291/0x3b0 [ 370.514496] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.519343] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 370.524739] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 370.524861] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.531494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.542080] syz-executor4 cpuset=syz4 mems_allowed=0 [ 370.551415] Call Trace: [ 370.559075] dump_stack+0x244/0x39d [ 370.562699] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.567893] warn_alloc.cold.116+0xb7/0x1bd [ 370.572547] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.577391] ? lock_downgrade+0x900/0x900 [ 370.581541] ? trace_hardirqs_off+0xb8/0x310 [ 370.585953] ? trace_hardirqs_off+0xb8/0x310 [ 370.590362] __alloc_pages_slowpath+0x26e8/0x2e10 [ 370.595237] ? warn_alloc+0x120/0x120 [ 370.599038] ? print_usage_bug+0xc0/0xc0 [ 370.603096] ? warn_alloc+0x120/0x120 [ 370.606894] ? warn_alloc+0x120/0x120 [ 370.610691] ? print_usage_bug+0xc0/0xc0 [ 370.614787] ? print_usage_bug+0xc0/0xc0 [ 370.618843] ? __lock_acquire+0x62f/0x4c20 [ 370.623075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.628608] ? should_fail+0x22d/0xd01 [ 370.632595] ? __lock_acquire+0x62f/0x4c20 [ 370.636833] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.641931] ? __lock_acquire+0x62f/0x4c20 [ 370.646164] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.651347] ? __lock_acquire+0x62f/0x4c20 [ 370.655577] ? should_fail+0x22d/0xd01 [ 370.659469] ? mark_held_locks+0x130/0x130 [ 370.663703] ? mark_held_locks+0x130/0x130 [ 370.667937] ? zap_class+0x640/0x640 [ 370.671935] ? mark_held_locks+0xc7/0x130 [ 370.676079] ? do_raw_spin_unlock+0xa7/0x330 [ 370.680480] ? zap_class+0x640/0x640 [ 370.684188] ? print_usage_bug+0xc0/0xc0 [ 370.688245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.693779] ? check_preemption_disabled+0x48/0x280 [ 370.698795] ? __lock_is_held+0xb5/0x140 [ 370.702852] __alloc_pages_nodemask+0xa80/0xde0 [ 370.707515] ? zap_class+0x640/0x640 [ 370.711231] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.716252] ? find_held_lock+0x36/0x1c0 [ 370.720324] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.724989] ? lock_downgrade+0x900/0x900 [ 370.729137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.734670] cache_grow_begin+0xa5/0x8c0 [ 370.738734] ? do_raw_spin_unlock+0xa7/0x330 [ 370.743143] fallback_alloc+0x204/0x2e0 [ 370.747120] ____cache_alloc_node+0x1c7/0x1e0 [ 370.751620] kmem_cache_alloc_node+0xe3/0x730 [ 370.756111] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.760352] __alloc_skb+0x119/0x770 [ 370.764083] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.769366] ? netdev_alloc_frag+0x1f0/0x1f0 [ 370.774075] ? lock_downgrade+0x900/0x900 [ 370.778222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.783759] ? refcount_sub_and_test_checked+0x203/0x310 [ 370.789208] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 370.794652] ? addrconf_rs_timer+0x690/0x690 [ 370.799066] ndisc_alloc_skb+0x144/0x340 [ 370.803126] ndisc_send_rs+0x331/0x6e0 [ 370.807032] addrconf_rs_timer+0x314/0x690 [ 370.811265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.815512] call_timer_fn+0x272/0x920 [ 370.819408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.823638] ? process_timeout+0x40/0x40 [ 370.827698] ? __run_timers+0x7da/0xc70 [ 370.831666] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.836156] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.840640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.844869] ? lockdep_hardirqs_on+0x296/0x5b0 [ 370.849719] ? trace_hardirqs_on+0xbd/0x310 [ 370.854037] ? kasan_check_read+0x11/0x20 [ 370.858179] ? __run_timers+0x7da/0xc70 [ 370.862156] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.867264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.871812] __run_timers+0x7e5/0xc70 [ 370.875615] ? timer_fixup_init+0x70/0x70 [ 370.879759] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.884246] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.888744] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 370.893327] ? trace_hardirqs_on+0xbd/0x310 [ 370.897642] ? kasan_check_read+0x11/0x20 [ 370.901804] ? finish_task_switch+0x1f4/0x910 [ 370.906309] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.911416] ? compat_start_thread+0x80/0x80 [ 370.915845] ? pvclock_read_flags+0x160/0x160 [ 370.920331] ? __switch_to_asm+0x34/0x70 [ 370.924386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.929924] ? check_preemption_disabled+0x48/0x280 [ 370.935117] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 370.940654] ? rcu_pm_notify+0xc0/0xc0 [ 370.944543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.950076] ? check_preemption_disabled+0x48/0x280 [ 370.955177] run_timer_softirq+0x52/0xb0 [ 370.959234] ? rcu_read_lock_sched_held+0x14f/0x180 [ 370.964253] __do_softirq+0x308/0xb7e [ 370.968060] ? trace_hardirqs_on_caller+0xc0/0x310 [ 370.973295] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 370.978397] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.983848] ? schedule+0x108/0x460 [ 370.987483] ? trace_hardirqs_off+0xb8/0x310 [ 370.991891] ? smpboot_thread_fn+0x68b/0xa00 [ 370.996297] ? trace_hardirqs_on+0x310/0x310 [ 371.000701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.006237] ? check_preemption_disabled+0x48/0x280 [ 371.011271] ? takeover_tasklets+0xa90/0xa90 [ 371.015842] run_ksoftirqd+0x5e/0x100 [ 371.019636] smpboot_thread_fn+0x68b/0xa00 [ 371.023870] ? sort_range+0x30/0x30 [ 371.027494] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 371.032598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.038133] ? __kthread_parkme+0xfb/0x1a0 [ 371.042365] ? sort_range+0x30/0x30 [ 371.045987] kthread+0x35a/0x440 [ 371.049348] ? kthread_stop+0x900/0x900 [ 371.053322] ret_from_fork+0x3a/0x50 [ 371.057045] warn_alloc_show_mem: 1 callbacks suppressed [ 371.057056] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 371.057058] Mem-Info: [ 371.057091] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 371.057091] active_file:10 inactive_file:14 isolated_file:0 [ 371.057091] unevictable:0 dirty:0 writeback:0 unstable:0 [ 371.057091] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 371.057091] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 371.057091] free:13688 free_pcp:208 free_cma:0 [ 371.062425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.070042] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 371.072563] Call Trace: [ 371.105596] 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 [ 371.114960] dump_stack+0x244/0x39d [ 371.142604] lowmem_reserve[]: 0 2818 6321 6321 [ 371.145195] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.171620] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 371.175347] warn_alloc.cold.116+0xb7/0x1bd [ 371.179886] lowmem_reserve[]: 0 0 3503 3503 [ 371.185070] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.212367] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 371.216680] ? lock_downgrade+0x900/0x900 [ 371.220965] lowmem_reserve[]: 0 0 0 0 [ 371.225811] ? trace_hardirqs_off+0xb8/0x310 [ 371.254753] 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 [ 371.258896] ? trace_hardirqs_off+0xb8/0x310 [ 371.262665] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 371.267067] __alloc_pages_slowpath+0x26e8/0x2e10 [ 371.280896] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 371.285354] ? warn_alloc+0x120/0x120 [ 371.301008] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 371.305837] ? zap_class+0x640/0x640 [ 371.320728] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 371.324514] ? warn_alloc+0x120/0x120 [ 371.333337] 1671 total pagecache pages [ 371.337050] ? warn_alloc+0x120/0x120 [ 371.345603] 0 pages in swap cache [ 371.349387] ? __lock_acquire+0x62f/0x4c20 [ 371.353255] Swap cache stats: add 0, delete 0, find 0/0 [ 371.357039] ? print_usage_bug+0xc0/0xc0 [ 371.360464] Free swap = 0kB [ 371.364685] ? print_usage_bug+0xc0/0xc0 [ 371.370293] Total swap = 0kB [ 371.374352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.377334] 1965979 pages RAM [ 371.381379] ? should_fail+0x22d/0xd01 [ 371.384366] 0 pages HighMem/MovableOnly [ 371.384373] 342853 pages reserved [ 371.389896] ? find_held_lock+0x36/0x1c0 [ 371.392972] 0 pages cma reserved [ 371.396866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.400874] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.404260] ? __lock_acquire+0x62f/0x4c20 [ 371.408372] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.411659] ? should_fail+0x22d/0xd01 [ 371.416736] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 371.423213] ? __update_load_avg_blocked_se+0x690/0x690 [ 371.451618] ? mark_held_locks+0x130/0x130 [ 371.455850] ? mark_held_locks+0x130/0x130 [ 371.460078] ? __lock_is_held+0xb5/0x140 [ 371.464139] ? zap_class+0x640/0x640 [ 371.467843] ? update_curr+0x344/0xbd0 [ 371.472451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.477991] ? check_preemption_disabled+0x48/0x280 [ 371.483025] ? __lock_is_held+0xb5/0x140 [ 371.487086] __alloc_pages_nodemask+0xa80/0xde0 [ 371.491754] ? zap_class+0x640/0x640 [ 371.495466] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 371.500487] ? find_held_lock+0x36/0x1c0 [ 371.504557] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.509247] ? lock_downgrade+0x900/0x900 [ 371.513396] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.518955] cache_grow_begin+0xa5/0x8c0 [ 371.523015] ? do_raw_spin_unlock+0xa7/0x330 [ 371.527425] fallback_alloc+0x204/0x2e0 [ 371.531398] ____cache_alloc_node+0x1c7/0x1e0 [ 371.535894] kmem_cache_alloc+0x1f8/0x730 [ 371.540049] skb_clone+0x1bb/0x500 [ 371.543587] ? skb_split+0x11e0/0x11e0 [ 371.547484] ? kasan_check_read+0x11/0x20 [ 371.551627] ? __schedule+0x168a/0x21d0 [ 371.555611] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.560708] ? lock_pin_lock+0x350/0x350 [ 371.564773] bpf_clone_redirect+0xb9/0x490 [ 371.569004] ? __schedule+0x168a/0x21d0 [ 371.573247] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 371.578261] ? __sched_text_start+0x8/0x8 [ 371.582406] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 371.587166] ? find_held_lock+0x36/0x1c0 [ 371.591233] ? lock_acquire+0x1ed/0x520 [ 371.595213] ? bpf_test_run+0x3cb/0x780 [ 371.599185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.604726] ? check_preemption_disabled+0x48/0x280 [ 371.609745] ? kasan_check_read+0x11/0x20 [ 371.613907] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.619178] ? rcu_softirq_qs+0x20/0x20 [ 371.623169] ? preempt_schedule+0x4d/0x60 [ 371.627323] ? ___preempt_schedule+0x16/0x18 [ 371.631733] ? bpf_test_run+0x25d/0x780 [ 371.635716] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.640117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.645646] ? bpf_test_init.isra.10+0x70/0x100 [ 371.650331] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 371.655093] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.659931] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.665464] ? fput+0x130/0x1a0 [ 371.668739] ? __bpf_prog_get+0x9b/0x290 [ 371.673235] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.678070] ? bpf_prog_test_run+0x130/0x1a0 [ 371.682474] ? __x64_sys_bpf+0x3d8/0x520 [ 371.686531] ? bpf_prog_get+0x20/0x20 [ 371.690341] ? do_syscall_64+0x1b9/0x820 [ 371.694399] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.699760] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.704688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.709530] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.714544] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.719559] ? prepare_exit_to_usermode+0x291/0x3b0 [ 371.724579] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.729497] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.734887] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 371.735015] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.741640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.752103] syz-executor4 cpuset=syz4 mems_allowed=0 [ 371.761441] Call Trace: [ 371.769100] dump_stack+0x244/0x39d [ 371.773060] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.778256] warn_alloc.cold.116+0xb7/0x1bd [ 371.782577] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.787421] ? lock_downgrade+0x900/0x900 [ 371.791574] ? trace_hardirqs_off+0xb8/0x310 [ 371.795988] ? trace_hardirqs_off+0xb8/0x310 [ 371.800398] __alloc_pages_slowpath+0x26e8/0x2e10 [ 371.805258] ? warn_alloc+0x120/0x120 [ 371.809055] ? print_usage_bug+0xc0/0xc0 [ 371.813111] ? warn_alloc+0x120/0x120 [ 371.816927] ? warn_alloc+0x120/0x120 [ 371.820725] ? print_usage_bug+0xc0/0xc0 [ 371.824784] ? print_usage_bug+0xc0/0xc0 [ 371.828839] ? __lock_acquire+0x62f/0x4c20 [ 371.833075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.838640] ? should_fail+0x22d/0xd01 [ 371.842526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.847620] ? __lock_acquire+0x62f/0x4c20 [ 371.851853] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.856948] ? __lock_acquire+0x62f/0x4c20 [ 371.861192] ? should_fail+0x22d/0xd01 [ 371.865073] ? find_held_lock+0x36/0x1c0 [ 371.869135] ? mark_held_locks+0x130/0x130 [ 371.873702] ? mark_held_locks+0x130/0x130 [ 371.877929] ? zap_class+0x640/0x640 [ 371.881654] ? mark_held_locks+0xc7/0x130 [ 371.885793] ? do_raw_spin_unlock+0xa7/0x330 [ 371.890204] ? zap_class+0x640/0x640 [ 371.893911] ? print_usage_bug+0xc0/0xc0 [ 371.897969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.903501] ? check_preemption_disabled+0x48/0x280 [ 371.908518] ? __lock_is_held+0xb5/0x140 [ 371.912582] __alloc_pages_nodemask+0xa80/0xde0 [ 371.917247] ? zap_class+0x640/0x640 [ 371.920957] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 371.925975] ? find_held_lock+0x36/0x1c0 [ 371.930041] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.934704] ? lock_downgrade+0x900/0x900 [ 371.938879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.944414] cache_grow_begin+0xa5/0x8c0 [ 371.948473] ? do_raw_spin_unlock+0xa7/0x330 [ 371.952889] fallback_alloc+0x204/0x2e0 [ 371.956966] ____cache_alloc_node+0x1c7/0x1e0 [ 371.961463] kmem_cache_alloc_node+0xe3/0x730 [ 371.965974] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.970537] __alloc_skb+0x119/0x770 [ 371.974249] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.979524] ? netdev_alloc_frag+0x1f0/0x1f0 [ 371.983925] ? lock_downgrade+0x900/0x900 [ 371.988087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.993617] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.999070] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.004521] ? addrconf_rs_timer+0x690/0x690 [ 372.008931] ndisc_alloc_skb+0x144/0x340 [ 372.013001] ndisc_send_rs+0x331/0x6e0 [ 372.016887] addrconf_rs_timer+0x314/0x690 [ 372.021122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.025358] call_timer_fn+0x272/0x920 [ 372.029239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.033469] ? process_timeout+0x40/0x40 [ 372.037540] ? __run_timers+0x7da/0xc70 [ 372.041512] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.045997] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.050483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.054719] ? lockdep_hardirqs_on+0x296/0x5b0 [ 372.059299] ? trace_hardirqs_on+0xbd/0x310 [ 372.063610] ? kasan_check_read+0x11/0x20 [ 372.067752] ? __run_timers+0x7da/0xc70 [ 372.072059] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.077170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.081406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.085637] __run_timers+0x7e5/0xc70 [ 372.089443] ? timer_fixup_init+0x70/0x70 [ 372.093588] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.098077] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.102572] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.107149] ? trace_hardirqs_on+0xbd/0x310 [ 372.111471] ? kasan_check_read+0x11/0x20 [ 372.115620] ? finish_task_switch+0x1f4/0x910 [ 372.120112] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.125207] ? compat_start_thread+0x80/0x80 [ 372.129631] ? pvclock_read_flags+0x160/0x160 [ 372.134119] ? __switch_to_asm+0x34/0x70 [ 372.138178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.143711] ? check_preemption_disabled+0x48/0x280 [ 372.148728] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 372.154280] ? rcu_pm_notify+0xc0/0xc0 [ 372.158172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.163705] ? check_preemption_disabled+0x48/0x280 [ 372.168723] run_timer_softirq+0x52/0xb0 [ 372.173096] ? rcu_read_lock_sched_held+0x14f/0x180 [ 372.178105] __do_softirq+0x308/0xb7e [ 372.181902] ? trace_hardirqs_on_caller+0xc0/0x310 [ 372.186828] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 372.191943] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.197394] ? schedule+0x108/0x460 [ 372.201030] ? trace_hardirqs_off+0xb8/0x310 [ 372.205437] ? smpboot_thread_fn+0x68b/0xa00 [ 372.209845] ? trace_hardirqs_on+0x310/0x310 [ 372.214253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.219785] ? check_preemption_disabled+0x48/0x280 [ 372.224800] ? takeover_tasklets+0xa90/0xa90 [ 372.229204] run_ksoftirqd+0x5e/0x100 [ 372.233001] smpboot_thread_fn+0x68b/0xa00 [ 372.237232] ? sort_range+0x30/0x30 [ 372.240854] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.245954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.251485] ? __kthread_parkme+0xfb/0x1a0 [ 372.255716] ? sort_range+0x30/0x30 [ 372.259339] kthread+0x35a/0x440 [ 372.262702] ? kthread_stop+0x900/0x900 [ 372.266670] ret_from_fork+0x3a/0x50 [ 372.270669] warn_alloc_show_mem: 1 callbacks suppressed [ 372.270679] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 372.270681] Mem-Info: [ 372.270712] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 372.270712] active_file:10 inactive_file:14 isolated_file:0 [ 372.270712] unevictable:0 dirty:0 writeback:0 unstable:0 [ 372.270712] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 372.270712] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 372.270712] free:13688 free_pcp:208 free_cma:0 [ 372.276044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.283313] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 372.285702] Call Trace: [ 372.318732] 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 [ 372.328088] dump_stack+0x244/0x39d [ 372.355722] lowmem_reserve[]: 0 2818 6321 6321 [ 372.358306] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.384796] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 372.388437] warn_alloc.cold.116+0xb7/0x1bd [ 372.392977] lowmem_reserve[]: 0 0 3503 3503 [ 372.398171] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 372.425463] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 372.429775] ? lock_downgrade+0x900/0x900 [ 372.434073] lowmem_reserve[]: 0 0 0 0 [ 372.438922] ? trace_hardirqs_off+0xb8/0x310 [ 372.467859] 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 [ 372.472701] ? trace_hardirqs_off+0xb8/0x310 [ 372.476470] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 372.480875] __alloc_pages_slowpath+0x26e8/0x2e10 [ 372.494364] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 372.498787] ? warn_alloc+0x120/0x120 [ 372.514433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 372.519270] ? zap_class+0x640/0x640 [ 372.534166] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 372.537948] ? warn_alloc+0x120/0x120 [ 372.546754] 1671 total pagecache pages [ 372.550458] ? warn_alloc+0x120/0x120 [ 372.559018] 0 pages in swap cache [ 372.562802] ? __lock_acquire+0x62f/0x4c20 [ 372.566662] Swap cache stats: add 0, delete 0, find 0/0 [ 372.570968] ? print_usage_bug+0xc0/0xc0 [ 372.574395] Free swap = 0kB [ 372.578616] ? print_usage_bug+0xc0/0xc0 [ 372.583958] Total swap = 0kB [ 372.583966] 1965979 pages RAM [ 372.588036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.591015] 0 pages HighMem/MovableOnly [ 372.591022] 342853 pages reserved [ 372.595088] ? should_fail+0x22d/0xd01 [ 372.598081] 0 pages cma reserved [ 372.601175] ? find_held_lock+0x36/0x1c0 [ 372.606741] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 372.610648] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.614131] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.617953] ? __lock_acquire+0x62f/0x4c20 [ 372.621289] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 372.625352] ? should_fail+0x22d/0xd01 [ 372.659932] ? __update_load_avg_blocked_se+0x690/0x690 [ 372.665300] ? mark_held_locks+0x130/0x130 [ 372.670148] ? mark_held_locks+0x130/0x130 [ 372.674378] ? __lock_is_held+0xb5/0x140 [ 372.678445] ? zap_class+0x640/0x640 [ 372.682157] ? update_curr+0x344/0xbd0 [ 372.686043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.691580] ? check_preemption_disabled+0x48/0x280 [ 372.696597] ? __lock_is_held+0xb5/0x140 [ 372.700659] __alloc_pages_nodemask+0xa80/0xde0 [ 372.705328] ? zap_class+0x640/0x640 [ 372.709044] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 372.714065] ? find_held_lock+0x36/0x1c0 [ 372.718141] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.722810] ? lock_downgrade+0x900/0x900 [ 372.726960] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 372.732501] cache_grow_begin+0xa5/0x8c0 [ 372.736559] ? do_raw_spin_unlock+0xa7/0x330 [ 372.740973] fallback_alloc+0x204/0x2e0 [ 372.744950] ____cache_alloc_node+0x1c7/0x1e0 [ 372.749445] kmem_cache_alloc+0x1f8/0x730 [ 372.753605] skb_clone+0x1bb/0x500 [ 372.757141] ? skb_split+0x11e0/0x11e0 [ 372.761023] ? kasan_check_read+0x11/0x20 [ 372.765166] ? __schedule+0x168a/0x21d0 [ 372.769137] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.774747] ? lock_pin_lock+0x350/0x350 [ 372.778814] bpf_clone_redirect+0xb9/0x490 [ 372.783048] ? __schedule+0x168a/0x21d0 [ 372.787023] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 372.792052] ? __sched_text_start+0x8/0x8 [ 372.796196] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 372.800961] ? find_held_lock+0x36/0x1c0 [ 372.805024] ? lock_acquire+0x1ed/0x520 [ 372.808996] ? bpf_test_run+0x3cb/0x780 [ 372.812965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.818498] ? check_preemption_disabled+0x48/0x280 [ 372.823600] ? kasan_check_read+0x11/0x20 [ 372.827742] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.833013] ? rcu_softirq_qs+0x20/0x20 [ 372.837003] ? preempt_schedule+0x4d/0x60 [ 372.841149] ? ___preempt_schedule+0x16/0x18 [ 372.845559] ? bpf_test_run+0x25d/0x780 [ 372.849789] ? netlink_diag_dump+0x2a0/0x2a0 [ 372.854203] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.859754] ? bpf_test_init.isra.10+0x70/0x100 [ 372.864423] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 372.869200] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 372.874581] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 372.880119] ? fput+0x130/0x1a0 [ 372.883395] ? __bpf_prog_get+0x9b/0x290 [ 372.887456] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 372.892293] ? bpf_prog_test_run+0x130/0x1a0 [ 372.896702] ? __x64_sys_bpf+0x3d8/0x520 [ 372.900756] ? bpf_prog_get+0x20/0x20 [ 372.904572] ? do_syscall_64+0x1b9/0x820 [ 372.908630] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 372.913991] ? syscall_return_slowpath+0x5e0/0x5e0 [ 372.918917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.923756] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.928785] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 372.933802] ? prepare_exit_to_usermode+0x291/0x3b0 [ 372.938817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.943663] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 372.949036] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 372.949151] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.955794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.966257] syz-executor4 cpuset=syz4 mems_allowed=0 [ 372.975896] Call Trace: [ 372.983652] dump_stack+0x244/0x39d [ 372.987281] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.992477] warn_alloc.cold.116+0xb7/0x1bd [ 372.996794] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.001634] ? lock_downgrade+0x900/0x900 [ 373.005785] ? trace_hardirqs_off+0xb8/0x310 [ 373.010194] ? trace_hardirqs_off+0xb8/0x310 [ 373.014606] __alloc_pages_slowpath+0x26e8/0x2e10 [ 373.019696] ? warn_alloc+0x120/0x120 [ 373.023495] ? print_usage_bug+0xc0/0xc0 [ 373.027568] ? warn_alloc+0x120/0x120 [ 373.031370] ? warn_alloc+0x120/0x120 [ 373.035170] ? print_usage_bug+0xc0/0xc0 [ 373.039229] ? print_usage_bug+0xc0/0xc0 [ 373.043287] ? __lock_acquire+0x62f/0x4c20 [ 373.047522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.053058] ? should_fail+0x22d/0xd01 [ 373.056951] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.062048] ? __lock_acquire+0x62f/0x4c20 [ 373.066290] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.071722] ? __lock_acquire+0x62f/0x4c20 [ 373.075953] ? should_fail+0x22d/0xd01 [ 373.079833] ? find_held_lock+0x36/0x1c0 [ 373.083899] ? mark_held_locks+0x130/0x130 [ 373.088135] ? mark_held_locks+0x130/0x130 [ 373.092381] ? zap_class+0x640/0x640 [ 373.096097] ? zap_class+0x640/0x640 [ 373.099820] ? print_usage_bug+0xc0/0xc0 [ 373.103874] ? do_raw_spin_unlock+0xa7/0x330 [ 373.108277] ? zap_class+0x640/0x640 [ 373.111983] ? print_usage_bug+0xc0/0xc0 [ 373.116035] ? wq_watchdog_touch+0x9c/0xfe [ 373.120269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.125805] ? check_preemption_disabled+0x48/0x280 [ 373.130824] ? __lock_is_held+0xb5/0x140 [ 373.134886] __alloc_pages_nodemask+0xa80/0xde0 [ 373.139657] ? zap_class+0x640/0x640 [ 373.143365] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 373.148382] ? find_held_lock+0x36/0x1c0 [ 373.152446] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.157107] ? lock_downgrade+0x900/0x900 [ 373.161269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.166806] cache_grow_begin+0xa5/0x8c0 [ 373.171191] ? do_raw_spin_unlock+0xa7/0x330 [ 373.175606] fallback_alloc+0x204/0x2e0 [ 373.179666] ____cache_alloc_node+0x1c7/0x1e0 [ 373.184160] kmem_cache_alloc_node+0xe3/0x730 [ 373.188658] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.192896] __alloc_skb+0x119/0x770 [ 373.196606] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.201886] ? netdev_alloc_frag+0x1f0/0x1f0 [ 373.206288] ? lock_downgrade+0x900/0x900 [ 373.210444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.215992] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.221437] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.226883] ? addrconf_rs_timer+0x690/0x690 [ 373.231297] ndisc_alloc_skb+0x144/0x340 [ 373.235360] ndisc_send_rs+0x331/0x6e0 [ 373.239246] addrconf_rs_timer+0x314/0x690 [ 373.243477] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.247714] call_timer_fn+0x272/0x920 [ 373.251599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.255828] ? process_timeout+0x40/0x40 [ 373.259890] ? __run_timers+0x7da/0xc70 [ 373.263860] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.268358] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.273174] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.277423] ? lockdep_hardirqs_on+0x296/0x5b0 [ 373.282613] ? trace_hardirqs_on+0xbd/0x310 [ 373.286928] ? kasan_check_read+0x11/0x20 [ 373.291084] ? __run_timers+0x7da/0xc70 [ 373.295063] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.300164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.304398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.308624] __run_timers+0x7e5/0xc70 [ 373.312427] ? timer_fixup_init+0x70/0x70 [ 373.316566] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.321064] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.325553] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 373.330140] ? trace_hardirqs_on+0xbd/0x310 [ 373.334453] ? kasan_check_read+0x11/0x20 [ 373.338598] ? finish_task_switch+0x1f4/0x910 [ 373.343088] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.348187] ? compat_start_thread+0x80/0x80 [ 373.352612] ? pvclock_read_flags+0x160/0x160 [ 373.357102] ? __switch_to_asm+0x34/0x70 [ 373.361162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.366693] ? check_preemption_disabled+0x48/0x280 [ 373.372059] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 373.377611] ? rcu_pm_notify+0xc0/0xc0 [ 373.381491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.387022] ? check_preemption_disabled+0x48/0x280 [ 373.392065] run_timer_softirq+0x52/0xb0 [ 373.396119] ? rcu_read_lock_sched_held+0x14f/0x180 [ 373.401130] __do_softirq+0x308/0xb7e [ 373.404930] ? trace_hardirqs_on_caller+0xc0/0x310 [ 373.409855] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 373.414951] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.420401] ? schedule+0x108/0x460 [ 373.424034] ? trace_hardirqs_off+0xb8/0x310 [ 373.428458] ? smpboot_thread_fn+0x68b/0xa00 [ 373.432864] ? trace_hardirqs_on+0x310/0x310 [ 373.437283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.442825] ? check_preemption_disabled+0x48/0x280 [ 373.447837] ? takeover_tasklets+0xa90/0xa90 [ 373.452256] run_ksoftirqd+0x5e/0x100 [ 373.456055] smpboot_thread_fn+0x68b/0xa00 [ 373.460286] ? sort_range+0x30/0x30 [ 373.463914] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 373.469011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.474897] ? __kthread_parkme+0xfb/0x1a0 [ 373.479139] ? sort_range+0x30/0x30 [ 373.482759] kthread+0x35a/0x440 [ 373.486122] ? kthread_stop+0x900/0x900 [ 373.490101] ret_from_fork+0x3a/0x50 [ 373.493825] warn_alloc_show_mem: 1 callbacks suppressed [ 373.493835] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 373.493837] Mem-Info: [ 373.493868] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 373.493868] active_file:10 inactive_file:14 isolated_file:0 [ 373.493868] unevictable:0 dirty:0 writeback:0 unstable:0 [ 373.493868] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 373.493868] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 373.493868] free:13688 free_pcp:208 free_cma:0 [ 373.499205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.506478] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 373.508872] Call Trace: [ 373.541901] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 373.551246] dump_stack+0x244/0x39d [ 373.579228] lowmem_reserve[]: 0 2818 6321 6321 [ 373.581818] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.607895] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 373.611533] warn_alloc.cold.116+0xb7/0x1bd [ 373.616074] lowmem_reserve[]: 0 0 3503 3503 [ 373.621262] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.648558] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 373.652875] ? lock_downgrade+0x900/0x900 [ 373.657163] lowmem_reserve[]: 0 0 0 0 [ 373.662002] ? trace_hardirqs_off+0xb8/0x310 [ 373.691282] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 373.695422] ? trace_hardirqs_off+0xb8/0x310 [ 373.699185] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 373.703600] __alloc_pages_slowpath+0x26e8/0x2e10 [ 373.717091] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 373.721515] ? warn_alloc+0x120/0x120 [ 373.737162] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 373.741990] ? zap_class+0x640/0x640 [ 373.756880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 373.760665] ? warn_alloc+0x120/0x120 [ 373.769474] 1671 total pagecache pages [ 373.773706] ? warn_alloc+0x120/0x120 [ 373.782287] 0 pages in swap cache [ 373.786070] ? __lock_acquire+0x62f/0x4c20 [ 373.789930] Swap cache stats: add 0, delete 0, find 0/0 [ 373.793806] ? print_usage_bug+0xc0/0xc0 [ 373.797235] Free swap = 0kB [ 373.801469] ? print_usage_bug+0xc0/0xc0 [ 373.806803] Total swap = 0kB [ 373.810871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.813857] 1965979 pages RAM [ 373.817905] ? should_fail+0x22d/0xd01 [ 373.820892] 0 pages HighMem/MovableOnly [ 373.826412] ? find_held_lock+0x36/0x1c0 [ 373.829488] 342853 pages reserved [ 373.833361] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.837306] 0 pages cma reserved [ 373.841354] ? __lock_acquire+0x62f/0x4c20 [ 373.844835] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.849871] ? should_fail+0x22d/0xd01 [ 373.849884] ? __update_load_avg_blocked_se+0x690/0x690 [ 373.849906] ? mark_held_locks+0x130/0x130 [ 373.853293] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.857457] ? mark_held_locks+0x130/0x130 [ 373.863917] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 373.867792] ? __lock_is_held+0xb5/0x140 [ 373.900944] ? zap_class+0x640/0x640 [ 373.904653] ? update_curr+0x344/0xbd0 [ 373.908541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.914094] ? check_preemption_disabled+0x48/0x280 [ 373.919115] ? __lock_is_held+0xb5/0x140 [ 373.923189] __alloc_pages_nodemask+0xa80/0xde0 [ 373.927856] ? zap_class+0x640/0x640 [ 373.931570] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 373.936597] ? find_held_lock+0x36/0x1c0 [ 373.940673] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.945339] ? lock_downgrade+0x900/0x900 [ 373.949491] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 373.955037] cache_grow_begin+0xa5/0x8c0 [ 373.959096] ? do_raw_spin_unlock+0xa7/0x330 [ 373.963508] fallback_alloc+0x204/0x2e0 [ 373.967488] ____cache_alloc_node+0x1c7/0x1e0 [ 373.972828] kmem_cache_alloc+0x1f8/0x730 [ 373.976984] skb_clone+0x1bb/0x500 [ 373.980531] ? skb_split+0x11e0/0x11e0 [ 373.984418] ? kasan_check_read+0x11/0x20 [ 373.988561] ? __schedule+0x168a/0x21d0 [ 373.992535] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.997636] ? lock_pin_lock+0x350/0x350 [ 374.001705] bpf_clone_redirect+0xb9/0x490 [ 374.005938] ? __schedule+0x168a/0x21d0 [ 374.009925] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 374.014940] ? __sched_text_start+0x8/0x8 [ 374.019108] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 374.023972] ? find_held_lock+0x36/0x1c0 [ 374.028047] ? lock_acquire+0x1ed/0x520 [ 374.032024] ? bpf_test_run+0x3cb/0x780 [ 374.036007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.041561] ? check_preemption_disabled+0x48/0x280 [ 374.046580] ? kasan_check_read+0x11/0x20 [ 374.050725] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.056009] ? rcu_softirq_qs+0x20/0x20 [ 374.060000] ? preempt_schedule+0x4d/0x60 [ 374.064146] ? ___preempt_schedule+0x16/0x18 [ 374.068559] ? bpf_test_run+0x25d/0x780 [ 374.073257] ? netlink_diag_dump+0x2a0/0x2a0 [ 374.077665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.083195] ? bpf_test_init.isra.10+0x70/0x100 [ 374.087863] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 374.092622] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 374.097459] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 374.102998] ? fput+0x130/0x1a0 [ 374.106273] ? __bpf_prog_get+0x9b/0x290 [ 374.110333] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 374.115169] ? bpf_prog_test_run+0x130/0x1a0 [ 374.119571] ? __x64_sys_bpf+0x3d8/0x520 [ 374.123629] ? bpf_prog_get+0x20/0x20 [ 374.127453] ? do_syscall_64+0x1b9/0x820 [ 374.131511] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 374.136873] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.141800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.146637] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.151650] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 374.156664] ? prepare_exit_to_usermode+0x291/0x3b0 [ 374.161683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.166528] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.172470] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 374.172581] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.179225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.189689] syz-executor4 cpuset=syz4 mems_allowed=0 [ 374.199026] Call Trace: [ 374.206701] dump_stack+0x244/0x39d [ 374.210332] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.215528] warn_alloc.cold.116+0xb7/0x1bd [ 374.219847] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.224810] ? lock_downgrade+0x900/0x900 [ 374.228964] ? trace_hardirqs_off+0xb8/0x310 [ 374.233392] ? trace_hardirqs_off+0xb8/0x310 [ 374.237802] __alloc_pages_slowpath+0x26e8/0x2e10 [ 374.242666] ? warn_alloc+0x120/0x120 [ 374.246470] ? print_usage_bug+0xc0/0xc0 [ 374.250526] ? warn_alloc+0x120/0x120 [ 374.254325] ? warn_alloc+0x120/0x120 [ 374.258136] ? print_usage_bug+0xc0/0xc0 [ 374.262196] ? print_usage_bug+0xc0/0xc0 [ 374.266345] ? __lock_acquire+0x62f/0x4c20 [ 374.270863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.276396] ? should_fail+0x22d/0xd01 [ 374.280281] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.285377] ? __lock_acquire+0x62f/0x4c20 [ 374.289607] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.294706] ? __lock_acquire+0x62f/0x4c20 [ 374.298933] ? should_fail+0x22d/0xd01 [ 374.302822] ? find_held_lock+0x36/0x1c0 [ 374.306884] ? mark_held_locks+0x130/0x130 [ 374.311132] ? mark_held_locks+0x130/0x130 [ 374.315360] ? zap_class+0x640/0x640 [ 374.319068] ? zap_class+0x640/0x640 [ 374.322782] ? print_usage_bug+0xc0/0xc0 [ 374.326835] ? do_raw_spin_unlock+0xa7/0x330 [ 374.331242] ? zap_class+0x640/0x640 [ 374.334949] ? print_usage_bug+0xc0/0xc0 [ 374.339015] ? wq_watchdog_touch+0x9c/0xfe [ 374.343248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.348781] ? check_preemption_disabled+0x48/0x280 [ 374.353800] ? __lock_is_held+0xb5/0x140 [ 374.357862] __alloc_pages_nodemask+0xa80/0xde0 [ 374.362551] ? zap_class+0x640/0x640 [ 374.366263] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 374.371600] ? find_held_lock+0x36/0x1c0 [ 374.375665] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.380331] ? lock_downgrade+0x900/0x900 [ 374.384480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.390016] cache_grow_begin+0xa5/0x8c0 [ 374.394070] ? do_raw_spin_unlock+0xa7/0x330 [ 374.398476] fallback_alloc+0x204/0x2e0 [ 374.402448] ____cache_alloc_node+0x1c7/0x1e0 [ 374.406961] kmem_cache_alloc_node+0xe3/0x730 [ 374.411451] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.415693] __alloc_skb+0x119/0x770 [ 374.419413] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.424687] ? netdev_alloc_frag+0x1f0/0x1f0 [ 374.429090] ? lock_downgrade+0x900/0x900 [ 374.433239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.438772] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.444226] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.449669] ? addrconf_rs_timer+0x690/0x690 [ 374.454079] ndisc_alloc_skb+0x144/0x340 [ 374.458136] ndisc_send_rs+0x331/0x6e0 [ 374.462023] addrconf_rs_timer+0x314/0x690 [ 374.466261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.470821] call_timer_fn+0x272/0x920 [ 374.474786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.479018] ? process_timeout+0x40/0x40 [ 374.483080] ? __run_timers+0x7da/0xc70 [ 374.487075] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.491650] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.496141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.500373] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.504965] ? trace_hardirqs_on+0xbd/0x310 [ 374.509281] ? kasan_check_read+0x11/0x20 [ 374.513418] ? __run_timers+0x7da/0xc70 [ 374.517389] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.522493] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.526729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.530960] __run_timers+0x7e5/0xc70 [ 374.534767] ? timer_fixup_init+0x70/0x70 [ 374.538908] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.543411] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.547905] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 374.552484] ? trace_hardirqs_on+0xbd/0x310 [ 374.556808] ? kasan_check_read+0x11/0x20 [ 374.560959] ? finish_task_switch+0x1f4/0x910 [ 374.565465] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.570895] ? compat_start_thread+0x80/0x80 [ 374.575318] ? pvclock_read_flags+0x160/0x160 [ 374.579805] ? __switch_to_asm+0x34/0x70 [ 374.583864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.589398] ? check_preemption_disabled+0x48/0x280 [ 374.594415] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 374.599955] ? rcu_pm_notify+0xc0/0xc0 [ 374.603841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.609373] ? check_preemption_disabled+0x48/0x280 [ 374.614385] run_timer_softirq+0x52/0xb0 [ 374.618439] ? rcu_read_lock_sched_held+0x14f/0x180 [ 374.623450] __do_softirq+0x308/0xb7e [ 374.627250] ? trace_hardirqs_on_caller+0xc0/0x310 [ 374.632179] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 374.637281] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.642743] ? schedule+0x108/0x460 [ 374.646378] ? trace_hardirqs_off+0xb8/0x310 [ 374.650783] ? smpboot_thread_fn+0x68b/0xa00 [ 374.655188] ? trace_hardirqs_on+0x310/0x310 [ 374.659596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.665129] ? check_preemption_disabled+0x48/0x280 [ 374.670451] ? takeover_tasklets+0xa90/0xa90 [ 374.674856] run_ksoftirqd+0x5e/0x100 [ 374.678655] smpboot_thread_fn+0x68b/0xa00 [ 374.682887] ? sort_range+0x30/0x30 [ 374.686506] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.691606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.697137] ? __kthread_parkme+0xfb/0x1a0 [ 374.701367] ? sort_range+0x30/0x30 [ 374.705007] kthread+0x35a/0x440 [ 374.708366] ? kthread_stop+0x900/0x900 [ 374.712335] ret_from_fork+0x3a/0x50 [ 374.716076] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 374.716080] warn_alloc_show_mem: 1 callbacks suppressed [ 374.716088] Mem-Info: [ 374.723352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.728719] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 374.728719] active_file:10 inactive_file:14 isolated_file:0 [ 374.728719] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.728719] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 374.728719] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 374.728719] free:13688 free_pcp:208 free_cma:0 [ 374.731087] Call Trace: [ 374.740465] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 374.774317] dump_stack+0x244/0x39d [ 374.776876] 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 [ 374.804538] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.808128] lowmem_reserve[]: 0 2818 6321 6321 [ 374.834255] warn_alloc.cold.116+0xb7/0x1bd [ 374.839406] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 374.843981] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.848501] lowmem_reserve[]: 0 0 3503 3503 [ 374.876585] ? lock_downgrade+0x900/0x900 [ 374.881397] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 374.885716] ? trace_hardirqs_off+0xb8/0x310 [ 374.889830] lowmem_reserve[]: 0 0 0 0 [ 374.918794] ? trace_hardirqs_off+0xb8/0x310 [ 374.923172] 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 [ 374.926965] __alloc_pages_slowpath+0x26e8/0x2e10 [ 374.931345] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 374.944893] ? warn_alloc+0x120/0x120 [ 374.949683] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 374.965377] ? zap_class+0x640/0x640 [ 374.969191] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 374.984631] ? warn_alloc+0x120/0x120 [ 374.988323] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 374.997143] ? warn_alloc+0x120/0x120 [ 375.000937] 1671 total pagecache pages [ 375.009499] ? __lock_acquire+0x62f/0x4c20 [ 375.013276] 0 pages in swap cache [ 375.017653] ? print_usage_bug+0xc0/0xc0 [ 375.021863] Swap cache stats: add 0, delete 0, find 0/0 [ 375.025303] ? print_usage_bug+0xc0/0xc0 [ 375.029335] Free swap = 0kB [ 375.034699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.038727] Total swap = 0kB [ 375.041735] ? should_fail+0x22d/0xd01 [ 375.047244] 1965979 pages RAM [ 375.050250] ? find_held_lock+0x36/0x1c0 [ 375.054100] 0 pages HighMem/MovableOnly [ 375.054103] 342853 pages reserved [ 375.054106] 0 pages cma reserved [ 375.054164] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.054208] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.054212] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 375.094708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.099810] ? __lock_acquire+0x62f/0x4c20 [ 375.104047] ? should_fail+0x22d/0xd01 [ 375.107932] ? __update_load_avg_blocked_se+0x690/0x690 [ 375.113302] ? mark_held_locks+0x130/0x130 [ 375.117534] ? mark_held_locks+0x130/0x130 [ 375.121766] ? __lock_is_held+0xb5/0x140 [ 375.125829] ? zap_class+0x640/0x640 [ 375.129536] ? update_curr+0x344/0xbd0 [ 375.133423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.138959] ? check_preemption_disabled+0x48/0x280 [ 375.143981] ? __lock_is_held+0xb5/0x140 [ 375.148043] __alloc_pages_nodemask+0xa80/0xde0 [ 375.152709] ? zap_class+0x640/0x640 [ 375.156435] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 375.161457] ? find_held_lock+0x36/0x1c0 [ 375.165522] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.170723] ? lock_downgrade+0x900/0x900 [ 375.174876] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.180418] cache_grow_begin+0xa5/0x8c0 [ 375.184475] ? do_raw_spin_unlock+0xa7/0x330 [ 375.188893] fallback_alloc+0x204/0x2e0 [ 375.192868] ____cache_alloc_node+0x1c7/0x1e0 [ 375.197372] kmem_cache_alloc+0x1f8/0x730 [ 375.201528] skb_clone+0x1bb/0x500 [ 375.205069] ? skb_split+0x11e0/0x11e0 [ 375.208952] ? kasan_check_read+0x11/0x20 [ 375.213104] ? __schedule+0x168a/0x21d0 [ 375.217080] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.222195] ? lock_pin_lock+0x350/0x350 [ 375.226264] bpf_clone_redirect+0xb9/0x490 [ 375.230496] ? __schedule+0x168a/0x21d0 [ 375.234570] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 375.239598] ? __sched_text_start+0x8/0x8 [ 375.243765] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 375.248613] ? find_held_lock+0x36/0x1c0 [ 375.252685] ? lock_acquire+0x1ed/0x520 [ 375.256662] ? bpf_test_run+0x3cb/0x780 [ 375.260632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.266173] ? check_preemption_disabled+0x48/0x280 [ 375.271763] ? kasan_check_read+0x11/0x20 [ 375.275914] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.281187] ? rcu_softirq_qs+0x20/0x20 [ 375.285159] ? preempt_schedule+0x4d/0x60 [ 375.289307] ? ___preempt_schedule+0x16/0x18 [ 375.293723] ? bpf_test_run+0x25d/0x780 [ 375.297708] ? netlink_diag_dump+0x2a0/0x2a0 [ 375.302401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.307934] ? bpf_test_init.isra.10+0x70/0x100 [ 375.312607] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 375.317370] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 375.322214] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.327746] ? fput+0x130/0x1a0 [ 375.331023] ? __bpf_prog_get+0x9b/0x290 [ 375.335083] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 375.339921] ? bpf_prog_test_run+0x130/0x1a0 [ 375.344328] ? __x64_sys_bpf+0x3d8/0x520 [ 375.348388] ? bpf_prog_get+0x20/0x20 [ 375.352205] ? do_syscall_64+0x1b9/0x820 [ 375.356273] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 375.361652] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.366574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.371925] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.376938] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 375.381966] ? prepare_exit_to_usermode+0x291/0x3b0 [ 375.386982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.391825] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.397287] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 375.397393] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.404055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.414530] syz-executor4 cpuset=syz4 mems_allowed=0 [ 375.423883] Call Trace: [ 375.431631] dump_stack+0x244/0x39d [ 375.435259] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.440456] warn_alloc.cold.116+0xb7/0x1bd [ 375.444776] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.449619] ? lock_downgrade+0x900/0x900 [ 375.453767] ? trace_hardirqs_off+0xb8/0x310 [ 375.458175] ? trace_hardirqs_off+0xb8/0x310 [ 375.462586] __alloc_pages_slowpath+0x26e8/0x2e10 [ 375.467460] ? warn_alloc+0x120/0x120 [ 375.471590] ? print_usage_bug+0xc0/0xc0 [ 375.475650] ? warn_alloc+0x120/0x120 [ 375.479447] ? warn_alloc+0x120/0x120 [ 375.483343] ? print_usage_bug+0xc0/0xc0 [ 375.487403] ? print_usage_bug+0xc0/0xc0 [ 375.491462] ? __lock_acquire+0x62f/0x4c20 [ 375.495692] ? __lock_acquire+0x62f/0x4c20 [ 375.499924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.505470] ? should_fail+0x22d/0xd01 [ 375.509370] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.514470] ? __lock_acquire+0x62f/0x4c20 [ 375.518702] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.523799] ? __lock_acquire+0x62f/0x4c20 [ 375.528030] ? should_fail+0x22d/0xd01 [ 375.531910] ? find_held_lock+0x36/0x1c0 [ 375.535975] ? mark_held_locks+0x130/0x130 [ 375.540212] ? mark_held_locks+0x130/0x130 [ 375.544443] ? zap_class+0x640/0x640 [ 375.548171] ? zap_class+0x640/0x640 [ 375.551882] ? print_usage_bug+0xc0/0xc0 [ 375.555941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.561474] ? check_preemption_disabled+0x48/0x280 [ 375.566495] ? __lock_is_held+0xb5/0x140 [ 375.570906] __alloc_pages_nodemask+0xa80/0xde0 [ 375.575571] ? zap_class+0x640/0x640 [ 375.579293] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 375.584316] ? find_held_lock+0x36/0x1c0 [ 375.588381] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.593049] ? lock_downgrade+0x900/0x900 [ 375.597196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.602731] cache_grow_begin+0xa5/0x8c0 [ 375.606785] ? do_raw_spin_unlock+0xa7/0x330 [ 375.611197] fallback_alloc+0x204/0x2e0 [ 375.615175] ____cache_alloc_node+0x1c7/0x1e0 [ 375.619671] kmem_cache_alloc_node+0xe3/0x730 [ 375.624161] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.628401] __alloc_skb+0x119/0x770 [ 375.632114] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.637388] ? netdev_alloc_frag+0x1f0/0x1f0 [ 375.641793] ? lock_downgrade+0x900/0x900 [ 375.645943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.651475] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.656927] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.662371] ? addrconf_rs_timer+0x690/0x690 [ 375.666785] ndisc_alloc_skb+0x144/0x340 [ 375.671139] ndisc_send_rs+0x331/0x6e0 [ 375.675025] addrconf_rs_timer+0x314/0x690 [ 375.679264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.683504] call_timer_fn+0x272/0x920 [ 375.687383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.691609] ? process_timeout+0x40/0x40 [ 375.695676] ? __run_timers+0x7da/0xc70 [ 375.699735] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.704308] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.708794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.713025] ? lockdep_hardirqs_on+0x296/0x5b0 [ 375.717699] ? trace_hardirqs_on+0xbd/0x310 [ 375.722013] ? kasan_check_read+0x11/0x20 [ 375.726152] ? __run_timers+0x7da/0xc70 [ 375.730125] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.735224] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.739455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.743680] __run_timers+0x7e5/0xc70 [ 375.747491] ? timer_fixup_init+0x70/0x70 [ 375.751666] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.756154] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.760663] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 375.765507] ? trace_hardirqs_on+0xbd/0x310 [ 375.770194] ? kasan_check_read+0x11/0x20 [ 375.774340] ? finish_task_switch+0x1f4/0x910 [ 375.778830] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.783950] ? compat_start_thread+0x80/0x80 [ 375.788372] ? pvclock_read_flags+0x160/0x160 [ 375.792864] ? __switch_to_asm+0x34/0x70 [ 375.796924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.802472] ? check_preemption_disabled+0x48/0x280 [ 375.807501] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 375.813182] ? rcu_pm_notify+0xc0/0xc0 [ 375.817066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.822605] ? check_preemption_disabled+0x48/0x280 [ 375.827633] run_timer_softirq+0x52/0xb0 [ 375.831690] ? rcu_read_lock_sched_held+0x14f/0x180 [ 375.836705] __do_softirq+0x308/0xb7e [ 375.840591] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.845779] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 375.850878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.856341] ? schedule+0x108/0x460 [ 375.859973] ? trace_hardirqs_off+0xb8/0x310 [ 375.864376] ? smpboot_thread_fn+0x68b/0xa00 [ 375.868778] ? trace_hardirqs_on+0x310/0x310 [ 375.873493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.879025] ? check_preemption_disabled+0x48/0x280 [ 375.884042] ? takeover_tasklets+0xa90/0xa90 [ 375.888447] run_ksoftirqd+0x5e/0x100 [ 375.892240] smpboot_thread_fn+0x68b/0xa00 [ 375.896473] ? sort_range+0x30/0x30 [ 375.900118] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.905211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.910741] ? __kthread_parkme+0xfb/0x1a0 [ 375.914976] ? sort_range+0x30/0x30 [ 375.918598] kthread+0x35a/0x440 [ 375.921957] ? kthread_stop+0x900/0x900 [ 375.925929] ret_from_fork+0x3a/0x50 [ 375.929648] warn_alloc_show_mem: 1 callbacks suppressed [ 375.929659] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 375.929660] Mem-Info: [ 375.929693] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 375.929693] active_file:10 inactive_file:14 isolated_file:0 [ 375.929693] unevictable:0 dirty:0 writeback:0 unstable:0 [ 375.929693] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 375.929693] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 375.929693] free:13688 free_pcp:208 free_cma:0 [ 375.935022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.942293] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 375.944698] Call Trace: [ 375.977996] 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 [ 375.987362] dump_stack+0x244/0x39d [ 376.014995] lowmem_reserve[]: 0 2818 6321 6321 [ 376.017585] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.043659] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 376.047289] warn_alloc.cold.116+0xb7/0x1bd [ 376.051836] lowmem_reserve[]: 0 0 3503 3503 [ 376.057017] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.084637] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 376.088953] ? lock_downgrade+0x900/0x900 [ 376.093236] lowmem_reserve[]: 0 0 0 0 [ 376.098075] ? trace_hardirqs_off+0xb8/0x310 [ 376.127033] 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 [ 376.131175] ? trace_hardirqs_off+0xb8/0x310 [ 376.134944] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 376.139362] __alloc_pages_slowpath+0x26e8/0x2e10 [ 376.152849] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 376.157302] ? warn_alloc+0x120/0x120 [ 376.173267] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 376.178093] ? zap_class+0x640/0x640 [ 376.192989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 376.196865] ? warn_alloc+0x120/0x120 [ 376.205674] 1671 total pagecache pages [ 376.209380] ? warn_alloc+0x120/0x120 [ 376.217933] 0 pages in swap cache [ 376.221720] ? __lock_acquire+0x62f/0x4c20 [ 376.225673] Swap cache stats: add 0, delete 0, find 0/0 [ 376.229457] ? print_usage_bug+0xc0/0xc0 [ 376.232891] Free swap = 0kB [ 376.237115] ? print_usage_bug+0xc0/0xc0 [ 376.242546] Total swap = 0kB [ 376.246609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.249591] 1965979 pages RAM [ 376.253636] ? should_fail+0x22d/0xd01 [ 376.256624] 0 pages HighMem/MovableOnly [ 376.262145] ? find_held_lock+0x36/0x1c0 [ 376.265220] 342853 pages reserved [ 376.265227] 0 pages cma reserved [ 376.269106] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.273467] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.277458] ? __lock_acquire+0x62f/0x4c20 [ 376.277481] ? should_fail+0x22d/0xd01 [ 376.280972] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.284278] ? __update_load_avg_blocked_se+0x690/0x690 [ 376.289438] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 376.295923] ? mark_held_locks+0x130/0x130 [ 376.328700] ? mark_held_locks+0x130/0x130 [ 376.332931] ? __lock_is_held+0xb5/0x140 [ 376.336999] ? zap_class+0x640/0x640 [ 376.340714] ? update_curr+0x344/0xbd0 [ 376.344602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.350136] ? check_preemption_disabled+0x48/0x280 [ 376.355159] ? __lock_is_held+0xb5/0x140 [ 376.359222] __alloc_pages_nodemask+0xa80/0xde0 [ 376.363887] ? zap_class+0x640/0x640 [ 376.367603] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 376.373547] ? find_held_lock+0x36/0x1c0 [ 376.377618] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.382284] ? lock_downgrade+0x900/0x900 [ 376.386436] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 376.391972] cache_grow_begin+0xa5/0x8c0 [ 376.396026] ? do_raw_spin_unlock+0xa7/0x330 [ 376.400439] fallback_alloc+0x204/0x2e0 [ 376.404414] ____cache_alloc_node+0x1c7/0x1e0 [ 376.408909] kmem_cache_alloc+0x1f8/0x730 [ 376.413067] skb_clone+0x1bb/0x500 [ 376.416605] ? skb_split+0x11e0/0x11e0 [ 376.420491] ? kasan_check_read+0x11/0x20 [ 376.424637] ? __schedule+0x168a/0x21d0 [ 376.428612] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.433712] ? lock_pin_lock+0x350/0x350 [ 376.437787] bpf_clone_redirect+0xb9/0x490 [ 376.442020] ? __schedule+0x168a/0x21d0 [ 376.445997] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 376.451016] ? __sched_text_start+0x8/0x8 [ 376.455161] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 376.459922] ? find_held_lock+0x36/0x1c0 [ 376.463986] ? lock_acquire+0x1ed/0x520 [ 376.467960] ? bpf_test_run+0x3cb/0x780 [ 376.472686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.478222] ? check_preemption_disabled+0x48/0x280 [ 376.483239] ? kasan_check_read+0x11/0x20 [ 376.487386] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.492657] ? rcu_softirq_qs+0x20/0x20 [ 376.496630] ? preempt_schedule+0x4d/0x60 [ 376.500783] ? ___preempt_schedule+0x16/0x18 [ 376.505214] ? bpf_test_run+0x25d/0x780 [ 376.509192] ? netlink_diag_dump+0x2a0/0x2a0 [ 376.513684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.519216] ? bpf_test_init.isra.10+0x70/0x100 [ 376.523886] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 376.528648] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 376.533484] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 376.539016] ? fput+0x130/0x1a0 [ 376.542295] ? __bpf_prog_get+0x9b/0x290 [ 376.546363] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 376.551201] ? bpf_prog_test_run+0x130/0x1a0 [ 376.555617] ? __x64_sys_bpf+0x3d8/0x520 [ 376.559673] ? bpf_prog_get+0x20/0x20 [ 376.563487] ? do_syscall_64+0x1b9/0x820 [ 376.567631] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 376.573558] ? syscall_return_slowpath+0x5e0/0x5e0 [ 376.578482] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.583320] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.588333] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 376.593344] ? prepare_exit_to_usermode+0x291/0x3b0 [ 376.598391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.603238] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.608613] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 376.608774] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.615365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.625826] syz-executor4 cpuset=syz4 mems_allowed=0 [ 376.635162] Call Trace: [ 376.642822] dump_stack+0x244/0x39d [ 376.646447] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.651643] warn_alloc.cold.116+0xb7/0x1bd [ 376.655958] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.660801] ? lock_downgrade+0x900/0x900 [ 376.664953] ? trace_hardirqs_off+0xb8/0x310 [ 376.669561] ? trace_hardirqs_off+0xb8/0x310 [ 376.673969] __alloc_pages_slowpath+0x26e8/0x2e10 [ 376.678837] ? warn_alloc+0x120/0x120 [ 376.682649] ? print_usage_bug+0xc0/0xc0 [ 376.686718] ? warn_alloc+0x120/0x120 [ 376.690518] ? warn_alloc+0x120/0x120 [ 376.694313] ? print_usage_bug+0xc0/0xc0 [ 376.698377] ? print_usage_bug+0xc0/0xc0 [ 376.702432] ? __lock_acquire+0x62f/0x4c20 [ 376.706668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.712200] ? should_fail+0x22d/0xd01 [ 376.716109] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.721220] ? __lock_acquire+0x62f/0x4c20 [ 376.725538] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.730638] ? __lock_acquire+0x62f/0x4c20 [ 376.734871] ? should_fail+0x22d/0xd01 [ 376.738758] ? find_held_lock+0x36/0x1c0 [ 376.742842] ? mark_held_locks+0x130/0x130 [ 376.747077] ? mark_held_locks+0x130/0x130 [ 376.751307] ? zap_class+0x640/0x640 [ 376.755025] ? zap_class+0x640/0x640 [ 376.758734] ? print_usage_bug+0xc0/0xc0 [ 376.762795] ? do_raw_spin_unlock+0xa7/0x330 [ 376.767210] ? zap_class+0x640/0x640 [ 376.771220] ? print_usage_bug+0xc0/0xc0 [ 376.775276] ? wq_watchdog_touch+0x9c/0xfe [ 376.779508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.785045] ? check_preemption_disabled+0x48/0x280 [ 376.790064] ? __lock_is_held+0xb5/0x140 [ 376.794214] __alloc_pages_nodemask+0xa80/0xde0 [ 376.798874] ? zap_class+0x640/0x640 [ 376.802581] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 376.807601] ? find_held_lock+0x36/0x1c0 [ 376.811664] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.816327] ? lock_downgrade+0x900/0x900 [ 376.820474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.826012] cache_grow_begin+0xa5/0x8c0 [ 376.830153] ? do_raw_spin_unlock+0xa7/0x330 [ 376.834558] fallback_alloc+0x204/0x2e0 [ 376.838532] ____cache_alloc_node+0x1c7/0x1e0 [ 376.843113] kmem_cache_alloc_node+0xe3/0x730 [ 376.847820] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.852058] __alloc_skb+0x119/0x770 [ 376.855773] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.861046] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.865459] ? lock_downgrade+0x900/0x900 [ 376.869919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.875452] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.880900] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.886348] ? addrconf_rs_timer+0x690/0x690 [ 376.890768] ndisc_alloc_skb+0x144/0x340 [ 376.894837] ndisc_send_rs+0x331/0x6e0 [ 376.898721] addrconf_rs_timer+0x314/0x690 [ 376.902957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.907193] call_timer_fn+0x272/0x920 [ 376.911076] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.915304] ? process_timeout+0x40/0x40 [ 376.919366] ? __run_timers+0x7da/0xc70 [ 376.923333] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.927822] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.932308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.936540] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.941115] ? trace_hardirqs_on+0xbd/0x310 [ 376.945427] ? kasan_check_read+0x11/0x20 [ 376.949564] ? __run_timers+0x7da/0xc70 [ 376.953533] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.958633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.962868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.967093] __run_timers+0x7e5/0xc70 [ 376.971165] ? timer_fixup_init+0x70/0x70 [ 376.975307] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.979796] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.984288] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 376.988872] ? trace_hardirqs_on+0xbd/0x310 [ 376.993185] ? kasan_check_read+0x11/0x20 [ 376.997327] ? finish_task_switch+0x1f4/0x910 [ 377.001822] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.006935] ? compat_start_thread+0x80/0x80 [ 377.011356] ? pvclock_read_flags+0x160/0x160 [ 377.016021] ? __switch_to_asm+0x34/0x70 [ 377.020080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.025612] ? check_preemption_disabled+0x48/0x280 [ 377.030635] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 377.036195] ? rcu_pm_notify+0xc0/0xc0 [ 377.040081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.045615] ? check_preemption_disabled+0x48/0x280 [ 377.050626] run_timer_softirq+0x52/0xb0 [ 377.054684] ? rcu_read_lock_sched_held+0x14f/0x180 [ 377.059694] __do_softirq+0x308/0xb7e [ 377.063502] ? trace_hardirqs_on_caller+0xc0/0x310 [ 377.068428] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 377.073808] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.079269] ? schedule+0x108/0x460 [ 377.082902] ? trace_hardirqs_off+0xb8/0x310 [ 377.087305] ? smpboot_thread_fn+0x68b/0xa00 [ 377.091710] ? trace_hardirqs_on+0x310/0x310 [ 377.096119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.101649] ? check_preemption_disabled+0x48/0x280 [ 377.106660] ? takeover_tasklets+0xa90/0xa90 [ 377.111063] run_ksoftirqd+0x5e/0x100 [ 377.114861] smpboot_thread_fn+0x68b/0xa00 [ 377.119098] ? sort_range+0x30/0x30 [ 377.122725] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.127823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.133352] ? __kthread_parkme+0xfb/0x1a0 [ 377.137583] ? sort_range+0x30/0x30 [ 377.141207] kthread+0x35a/0x440 [ 377.144568] ? kthread_stop+0x900/0x900 [ 377.148537] ret_from_fork+0x3a/0x50 [ 377.152258] warn_alloc_show_mem: 1 callbacks suppressed [ 377.152268] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 377.152270] Mem-Info: [ 377.152301] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 377.152301] active_file:10 inactive_file:14 isolated_file:0 [ 377.152301] unevictable:0 dirty:0 writeback:0 unstable:0 [ 377.152301] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 377.152301] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 377.152301] free:13688 free_pcp:208 free_cma:0 [ 377.157640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.164907] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 377.167298] Call Trace: [ 377.200601] 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 [ 377.209950] dump_stack+0x244/0x39d [ 377.237588] lowmem_reserve[]: 0 2818 6321 6321 [ 377.240177] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.266343] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 377.270455] warn_alloc.cold.116+0xb7/0x1bd [ 377.275018] lowmem_reserve[]: 0 0 3503 3503 [ 377.280209] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.307505] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 377.311825] ? lock_downgrade+0x900/0x900 [ 377.316121] lowmem_reserve[]: 0 0 0 0 [ 377.320971] ? trace_hardirqs_off+0xb8/0x310 [ 377.349920] 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 [ 377.354078] ? trace_hardirqs_off+0xb8/0x310 [ 377.357849] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 377.362270] __alloc_pages_slowpath+0x26e8/0x2e10 [ 377.376094] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 377.380525] ? warn_alloc+0x120/0x120 [ 377.396174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 377.400997] ? zap_class+0x640/0x640 [ 377.415883] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 377.419669] ? warn_alloc+0x120/0x120 [ 377.428479] 1671 total pagecache pages [ 377.432179] ? warn_alloc+0x120/0x120 [ 377.440731] 0 pages in swap cache [ 377.444515] ? __lock_acquire+0x62f/0x4c20 [ 377.448374] Swap cache stats: add 0, delete 0, find 0/0 [ 377.452206] ? print_usage_bug+0xc0/0xc0 [ 377.455633] Free swap = 0kB [ 377.459853] ? print_usage_bug+0xc0/0xc0 [ 377.465185] Total swap = 0kB [ 377.469767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.472752] 1965979 pages RAM [ 377.476798] ? should_fail+0x22d/0xd01 [ 377.479797] 0 pages HighMem/MovableOnly [ 377.479805] 342853 pages reserved [ 377.485329] ? find_held_lock+0x36/0x1c0 [ 377.488407] 0 pages cma reserved [ 377.492285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.496289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.499668] ? __lock_acquire+0x62f/0x4c20 [ 377.503752] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.507055] ? should_fail+0x22d/0xd01 [ 377.512130] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 377.518611] ? __update_load_avg_blocked_se+0x690/0x690 [ 377.547103] ? mark_held_locks+0x130/0x130 [ 377.551338] ? mark_held_locks+0x130/0x130 [ 377.555569] ? __lock_acquire+0x62f/0x4c20 [ 377.559801] ? update_load_avg+0x387/0x2470 [ 377.564124] ? zap_class+0x640/0x640 [ 377.567840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.573893] ? check_preemption_disabled+0x48/0x280 [ 377.578915] ? __lock_is_held+0xb5/0x140 [ 377.582980] __alloc_pages_nodemask+0xa80/0xde0 [ 377.587642] ? zap_class+0x640/0x640 [ 377.591366] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 377.596404] ? find_held_lock+0x36/0x1c0 [ 377.600475] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.605141] ? lock_downgrade+0x900/0x900 [ 377.609293] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 377.614829] cache_grow_begin+0xa5/0x8c0 [ 377.618884] ? do_raw_spin_unlock+0xa7/0x330 [ 377.623295] fallback_alloc+0x204/0x2e0 [ 377.627268] ____cache_alloc_node+0x1c7/0x1e0 [ 377.631867] kmem_cache_alloc+0x1f8/0x730 [ 377.636021] skb_clone+0x1bb/0x500 [ 377.639557] ? finish_task_switch+0x2f4/0x910 [ 377.644054] ? skb_split+0x11e0/0x11e0 [ 377.647946] ? preempt_notifier_register+0x200/0x200 [ 377.653042] ? __switch_to_asm+0x34/0x70 [ 377.657114] ? __switch_to_asm+0x34/0x70 [ 377.661166] ? __switch_to_asm+0x40/0x70 [ 377.665217] ? __switch_to_asm+0x34/0x70 [ 377.669699] ? __switch_to_asm+0x40/0x70 [ 377.673753] ? __switch_to_asm+0x34/0x70 [ 377.677805] ? __switch_to_asm+0x40/0x70 [ 377.681868] ? __switch_to_asm+0x34/0x70 [ 377.685924] ? __switch_to_asm+0x34/0x70 [ 377.689982] ? __switch_to_asm+0x40/0x70 [ 377.694037] ? __switch_to_asm+0x34/0x70 [ 377.698098] bpf_clone_redirect+0xb9/0x490 [ 377.702333] ? __schedule+0x8d7/0x21d0 [ 377.706226] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 377.711238] ? __sched_text_start+0x8/0x8 [ 377.715379] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 377.720143] ? find_held_lock+0x36/0x1c0 [ 377.724210] ? lock_acquire+0x1ed/0x520 [ 377.728181] ? bpf_test_run+0x3cb/0x780 [ 377.732151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.737689] ? check_preemption_disabled+0x48/0x280 [ 377.742709] ? kasan_check_read+0x11/0x20 [ 377.746850] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.752123] ? rcu_softirq_qs+0x20/0x20 [ 377.756186] ? preempt_schedule+0x4d/0x60 [ 377.760329] ? ___preempt_schedule+0x16/0x18 [ 377.764744] ? bpf_test_run+0x25d/0x780 [ 377.768751] ? netlink_diag_dump+0x2a0/0x2a0 [ 377.773714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.779250] ? bpf_test_init.isra.10+0x70/0x100 [ 377.783922] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 377.788692] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 377.793544] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 377.799185] ? fput+0x130/0x1a0 [ 377.802458] ? __bpf_prog_get+0x9b/0x290 [ 377.806516] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 377.811351] ? bpf_prog_test_run+0x130/0x1a0 [ 377.815753] ? __x64_sys_bpf+0x3d8/0x520 [ 377.819807] ? bpf_prog_get+0x20/0x20 [ 377.823617] ? do_syscall_64+0x1b9/0x820 [ 377.827681] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 377.833041] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.837963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.842802] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.847814] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 377.852828] ? prepare_exit_to_usermode+0x291/0x3b0 [ 377.857842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.862688] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.868058] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 377.868167] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.875124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.885585] syz-executor4 cpuset=syz4 mems_allowed=0 [ 377.894923] Call Trace: [ 377.902580] dump_stack+0x244/0x39d [ 377.906202] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.911406] warn_alloc.cold.116+0xb7/0x1bd [ 377.915722] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.920560] ? lock_downgrade+0x900/0x900 [ 377.924712] ? trace_hardirqs_off+0xb8/0x310 [ 377.929123] ? trace_hardirqs_off+0xb8/0x310 [ 377.933530] __alloc_pages_slowpath+0x26e8/0x2e10 [ 377.938395] ? warn_alloc+0x120/0x120 [ 377.942189] ? print_usage_bug+0xc0/0xc0 [ 377.946243] ? warn_alloc+0x120/0x120 [ 377.950043] ? warn_alloc+0x120/0x120 [ 377.953858] ? print_usage_bug+0xc0/0xc0 [ 377.957923] ? print_usage_bug+0xc0/0xc0 [ 377.961978] ? __lock_acquire+0x62f/0x4c20 [ 377.966216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.972066] ? should_fail+0x22d/0xd01 [ 377.975955] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.981084] ? __lock_acquire+0x62f/0x4c20 [ 377.985413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.990626] ? __lock_acquire+0x62f/0x4c20 [ 377.994879] ? should_fail+0x22d/0xd01 [ 377.998767] ? find_held_lock+0x36/0x1c0 [ 378.002845] ? mark_held_locks+0x130/0x130 [ 378.007098] ? mark_held_locks+0x130/0x130 [ 378.011325] ? zap_class+0x640/0x640 [ 378.015035] ? zap_class+0x640/0x640 [ 378.018746] ? print_usage_bug+0xc0/0xc0 [ 378.022799] ? do_raw_spin_unlock+0xa7/0x330 [ 378.027202] ? zap_class+0x640/0x640 [ 378.030914] ? print_usage_bug+0xc0/0xc0 [ 378.034967] ? wq_watchdog_touch+0x9c/0xfe [ 378.039630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.045167] ? check_preemption_disabled+0x48/0x280 [ 378.050183] ? __lock_is_held+0xb5/0x140 [ 378.054257] __alloc_pages_nodemask+0xa80/0xde0 [ 378.058924] ? zap_class+0x640/0x640 [ 378.062644] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 378.067670] ? find_held_lock+0x36/0x1c0 [ 378.072059] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.076726] ? lock_downgrade+0x900/0x900 [ 378.080876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.086414] cache_grow_begin+0xa5/0x8c0 [ 378.090470] ? do_raw_spin_unlock+0xa7/0x330 [ 378.094884] fallback_alloc+0x204/0x2e0 [ 378.098864] ____cache_alloc_node+0x1c7/0x1e0 [ 378.103448] kmem_cache_alloc_node+0xe3/0x730 [ 378.107939] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.112178] __alloc_skb+0x119/0x770 [ 378.116001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.121278] ? netdev_alloc_frag+0x1f0/0x1f0 [ 378.125682] ? lock_downgrade+0x900/0x900 [ 378.129830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.135360] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.140811] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.146257] ? addrconf_rs_timer+0x690/0x690 [ 378.150687] ndisc_alloc_skb+0x144/0x340 [ 378.154749] ndisc_send_rs+0x331/0x6e0 [ 378.158641] addrconf_rs_timer+0x314/0x690 [ 378.162875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.167115] call_timer_fn+0x272/0x920 [ 378.171349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.175575] ? process_timeout+0x40/0x40 [ 378.179656] ? __run_timers+0x7da/0xc70 [ 378.183631] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.188116] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.192603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.196837] ? lockdep_hardirqs_on+0x296/0x5b0 [ 378.201417] ? trace_hardirqs_on+0xbd/0x310 [ 378.205733] ? kasan_check_read+0x11/0x20 [ 378.209881] ? __run_timers+0x7da/0xc70 [ 378.213849] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.218973] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.223208] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.227435] __run_timers+0x7e5/0xc70 [ 378.231234] ? timer_fixup_init+0x70/0x70 [ 378.235374] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.239880] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.244458] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 378.249036] ? trace_hardirqs_on+0xbd/0x310 [ 378.253351] ? kasan_check_read+0x11/0x20 [ 378.257506] ? finish_task_switch+0x1f4/0x910 [ 378.261998] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.267106] ? compat_start_thread+0x80/0x80 [ 378.271860] ? pvclock_read_flags+0x160/0x160 [ 378.276361] ? __switch_to_asm+0x34/0x70 [ 378.280417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.285947] ? check_preemption_disabled+0x48/0x280 [ 378.290968] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 378.296500] ? rcu_pm_notify+0xc0/0xc0 [ 378.300380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.305915] ? check_preemption_disabled+0x48/0x280 [ 378.310931] run_timer_softirq+0x52/0xb0 [ 378.314987] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.320001] __do_softirq+0x308/0xb7e [ 378.323800] ? trace_hardirqs_on_caller+0xc0/0x310 [ 378.328727] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 378.333833] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.339283] ? schedule+0x108/0x460 [ 378.342917] ? trace_hardirqs_off+0xb8/0x310 [ 378.347320] ? smpboot_thread_fn+0x68b/0xa00 [ 378.351727] ? trace_hardirqs_on+0x310/0x310 [ 378.356131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.361664] ? check_preemption_disabled+0x48/0x280 [ 378.366674] ? takeover_tasklets+0xa90/0xa90 [ 378.371379] run_ksoftirqd+0x5e/0x100 [ 378.375178] smpboot_thread_fn+0x68b/0xa00 [ 378.379408] ? sort_range+0x30/0x30 [ 378.383027] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.388126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.393658] ? __kthread_parkme+0xfb/0x1a0 [ 378.397896] ? sort_range+0x30/0x30 [ 378.401518] kthread+0x35a/0x440 [ 378.404884] ? kthread_stop+0x900/0x900 [ 378.408856] ret_from_fork+0x3a/0x50 [ 378.412586] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 378.412590] warn_alloc_show_mem: 1 callbacks suppressed [ 378.412597] Mem-Info: [ 378.419863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.419870] Call Trace: [ 378.425237] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 378.425237] active_file:10 inactive_file:14 isolated_file:0 [ 378.425237] unevictable:0 dirty:0 writeback:0 unstable:0 [ 378.425237] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 378.425237] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 378.425237] free:13688 free_pcp:208 free_cma:0 [ 378.427624] dump_stack+0x244/0x39d [ 378.436987] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 378.439559] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.472981] 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 [ 378.476630] warn_alloc.cold.116+0xb7/0x1bd [ 378.504270] lowmem_reserve[]: 0 2818 6321 6321 [ 378.509451] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.535528] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 378.539837] ? lock_downgrade+0x900/0x900 [ 378.544386] lowmem_reserve[]: 0 0 3503 3503 [ 378.549240] ? trace_hardirqs_off+0xb8/0x310 [ 378.576857] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 378.581000] ? trace_hardirqs_off+0xb8/0x310 [ 378.585288] lowmem_reserve[]: 0 0 0 0 [ 378.589693] __alloc_pages_slowpath+0x26e8/0x2e10 [ 378.618732] 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 [ 378.623153] ? warn_alloc+0x120/0x120 [ 378.626902] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 378.631736] ? zap_class+0x640/0x640 [ 378.645227] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 378.649025] ? warn_alloc+0x120/0x120 [ 378.664695] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.668389] ? warn_alloc+0x120/0x120 [ 378.683543] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.687327] ? __lock_acquire+0x62f/0x4c20 [ 378.696131] 1671 total pagecache pages [ 378.699916] ? print_usage_bug+0xc0/0xc0 [ 378.708486] 0 pages in swap cache [ 378.712802] ? print_usage_bug+0xc0/0xc0 [ 378.716663] Swap cache stats: add 0, delete 0, find 0/0 [ 378.720730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.724151] Free swap = 0kB [ 378.728201] ? should_fail+0x22d/0xd01 [ 378.733540] Total swap = 0kB [ 378.733548] 1965979 pages RAM [ 378.739085] ? find_held_lock+0x36/0x1c0 [ 378.742087] 0 pages HighMem/MovableOnly [ 378.745964] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.748947] 342853 pages reserved [ 378.748954] 0 pages cma reserved [ 378.752047] ? __lock_acquire+0x62f/0x4c20 [ 378.756138] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.760043] ? should_fail+0x22d/0xd01 [ 378.765162] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.768560] ? __update_load_avg_blocked_se+0x690/0x690 [ 378.772243] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 378.776491] ? mark_held_locks+0x130/0x130 [ 378.811334] ? mark_held_locks+0x130/0x130 [ 378.815563] ? __lock_is_held+0xb5/0x140 [ 378.819638] ? zap_class+0x640/0x640 [ 378.823348] ? update_curr+0x344/0xbd0 [ 378.827237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.832774] ? check_preemption_disabled+0x48/0x280 [ 378.837792] ? __lock_is_held+0xb5/0x140 [ 378.841853] __alloc_pages_nodemask+0xa80/0xde0 [ 378.846519] ? zap_class+0x640/0x640 [ 378.850448] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 378.855477] ? find_held_lock+0x36/0x1c0 [ 378.859552] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.864235] ? lock_downgrade+0x900/0x900 [ 378.868382] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 378.874483] cache_grow_begin+0xa5/0x8c0 [ 378.878542] ? do_raw_spin_unlock+0xa7/0x330 [ 378.882960] fallback_alloc+0x204/0x2e0 [ 378.886935] ____cache_alloc_node+0x1c7/0x1e0 [ 378.891433] kmem_cache_alloc+0x1f8/0x730 [ 378.895604] skb_clone+0x1bb/0x500 [ 378.899146] ? skb_split+0x11e0/0x11e0 [ 378.903029] ? kasan_check_read+0x11/0x20 [ 378.907174] ? __schedule+0x168a/0x21d0 [ 378.911144] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.916241] ? lock_pin_lock+0x350/0x350 [ 378.920308] bpf_clone_redirect+0xb9/0x490 [ 378.924543] ? __schedule+0x168a/0x21d0 [ 378.928522] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 378.933537] ? __sched_text_start+0x8/0x8 [ 378.937694] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 378.942456] ? find_held_lock+0x36/0x1c0 [ 378.946518] ? lock_acquire+0x1ed/0x520 [ 378.950488] ? bpf_test_run+0x3cb/0x780 [ 378.954458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.959995] ? check_preemption_disabled+0x48/0x280 [ 378.965014] ? kasan_check_read+0x11/0x20 [ 378.969594] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.974867] ? rcu_softirq_qs+0x20/0x20 [ 378.978842] ? preempt_schedule+0x4d/0x60 [ 378.982987] ? ___preempt_schedule+0x16/0x18 [ 378.987399] ? bpf_test_run+0x25d/0x780 [ 378.991382] ? netlink_diag_dump+0x2a0/0x2a0 [ 378.995790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.001330] ? bpf_test_init.isra.10+0x70/0x100 [ 379.006009] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 379.010769] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.016079] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.021618] ? fput+0x130/0x1a0 [ 379.024895] ? __bpf_prog_get+0x9b/0x290 [ 379.028962] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.033803] ? bpf_prog_test_run+0x130/0x1a0 [ 379.038213] ? __x64_sys_bpf+0x3d8/0x520 [ 379.042271] ? bpf_prog_get+0x20/0x20 [ 379.046091] ? do_syscall_64+0x1b9/0x820 [ 379.050148] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.056092] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.061015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.065858] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.071612] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.076631] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.081648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.086493] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.091872] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 379.091981] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.098632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.109097] syz-executor4 cpuset=syz4 mems_allowed=0 [ 379.118435] Call Trace: [ 379.126106] dump_stack+0x244/0x39d [ 379.129734] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.134930] warn_alloc.cold.116+0xb7/0x1bd [ 379.139255] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.144094] ? lock_downgrade+0x900/0x900 [ 379.148245] ? trace_hardirqs_off+0xb8/0x310 [ 379.152676] ? trace_hardirqs_off+0xb8/0x310 [ 379.157087] __alloc_pages_slowpath+0x26e8/0x2e10 [ 379.161952] ? warn_alloc+0x120/0x120 [ 379.165751] ? print_usage_bug+0xc0/0xc0 [ 379.170149] ? warn_alloc+0x120/0x120 [ 379.173950] ? warn_alloc+0x120/0x120 [ 379.177746] ? print_usage_bug+0xc0/0xc0 [ 379.181810] ? print_usage_bug+0xc0/0xc0 [ 379.185868] ? __lock_acquire+0x62f/0x4c20 [ 379.190103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.195641] ? should_fail+0x22d/0xd01 [ 379.199551] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.204651] ? __lock_acquire+0x62f/0x4c20 [ 379.208882] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.213990] ? __lock_acquire+0x62f/0x4c20 [ 379.218238] ? should_fail+0x22d/0xd01 [ 379.222120] ? find_held_lock+0x36/0x1c0 [ 379.226183] ? mark_held_locks+0x130/0x130 [ 379.230415] ? mark_held_locks+0x130/0x130 [ 379.234640] ? zap_class+0x640/0x640 [ 379.238365] ? zap_class+0x640/0x640 [ 379.242074] ? print_usage_bug+0xc0/0xc0 [ 379.246131] ? do_raw_spin_unlock+0xa7/0x330 [ 379.250537] ? zap_class+0x640/0x640 [ 379.254247] ? print_usage_bug+0xc0/0xc0 [ 379.258298] ? wq_watchdog_touch+0x9c/0xfe [ 379.262536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.268071] ? check_preemption_disabled+0x48/0x280 [ 379.273430] ? __lock_is_held+0xb5/0x140 [ 379.277492] __alloc_pages_nodemask+0xa80/0xde0 [ 379.282156] ? zap_class+0x640/0x640 [ 379.285873] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 379.290895] ? find_held_lock+0x36/0x1c0 [ 379.294962] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.299627] ? lock_downgrade+0x900/0x900 [ 379.303784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.309324] cache_grow_begin+0xa5/0x8c0 [ 379.313379] ? do_raw_spin_unlock+0xa7/0x330 [ 379.317808] fallback_alloc+0x204/0x2e0 [ 379.321789] ____cache_alloc_node+0x1c7/0x1e0 [ 379.326284] kmem_cache_alloc_node+0xe3/0x730 [ 379.330776] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.335025] __alloc_skb+0x119/0x770 [ 379.338730] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.344004] ? netdev_alloc_frag+0x1f0/0x1f0 [ 379.348410] ? lock_downgrade+0x900/0x900 [ 379.352570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.358107] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.363558] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.369327] ? addrconf_rs_timer+0x690/0x690 [ 379.373733] ndisc_alloc_skb+0x144/0x340 [ 379.377797] ndisc_send_rs+0x331/0x6e0 [ 379.381686] addrconf_rs_timer+0x314/0x690 [ 379.385924] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.390162] call_timer_fn+0x272/0x920 [ 379.394044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.398275] ? process_timeout+0x40/0x40 [ 379.402339] ? __run_timers+0x7da/0xc70 [ 379.406314] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.410803] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.415318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.419551] ? lockdep_hardirqs_on+0x296/0x5b0 [ 379.424126] ? trace_hardirqs_on+0xbd/0x310 [ 379.428455] ? kasan_check_read+0x11/0x20 [ 379.432598] ? __run_timers+0x7da/0xc70 [ 379.436570] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.441671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.445907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.450131] __run_timers+0x7e5/0xc70 [ 379.453934] ? timer_fixup_init+0x70/0x70 [ 379.458077] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.462569] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.467059] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 379.471982] ? trace_hardirqs_on+0xbd/0x310 [ 379.476297] ? kasan_check_read+0x11/0x20 [ 379.480444] ? finish_task_switch+0x1f4/0x910 [ 379.484937] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.490035] ? compat_start_thread+0x80/0x80 [ 379.494456] ? pvclock_read_flags+0x160/0x160 [ 379.499029] ? __switch_to_asm+0x34/0x70 [ 379.503090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.508624] ? check_preemption_disabled+0x48/0x280 [ 379.513653] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 379.519197] ? rcu_pm_notify+0xc0/0xc0 [ 379.523085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.528707] ? check_preemption_disabled+0x48/0x280 [ 379.533728] run_timer_softirq+0x52/0xb0 [ 379.537787] ? rcu_read_lock_sched_held+0x14f/0x180 [ 379.542802] __do_softirq+0x308/0xb7e [ 379.546604] ? trace_hardirqs_on_caller+0xc0/0x310 [ 379.551538] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 379.556650] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.562104] ? schedule+0x108/0x460 [ 379.565734] ? trace_hardirqs_off+0xb8/0x310 [ 379.570452] ? smpboot_thread_fn+0x68b/0xa00 [ 379.574855] ? trace_hardirqs_on+0x310/0x310 [ 379.579259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.584794] ? check_preemption_disabled+0x48/0x280 [ 379.589805] ? takeover_tasklets+0xa90/0xa90 [ 379.594208] run_ksoftirqd+0x5e/0x100 [ 379.598003] smpboot_thread_fn+0x68b/0xa00 [ 379.602240] ? sort_range+0x30/0x30 [ 379.605865] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.610965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.616508] ? __kthread_parkme+0xfb/0x1a0 [ 379.620740] ? sort_range+0x30/0x30 [ 379.624365] kthread+0x35a/0x440 [ 379.627728] ? kthread_stop+0x900/0x900 [ 379.631713] ret_from_fork+0x3a/0x50 [ 379.635433] warn_alloc_show_mem: 1 callbacks suppressed [ 379.635444] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 379.635446] Mem-Info: [ 379.635476] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 379.635476] active_file:10 inactive_file:14 isolated_file:0 [ 379.635476] unevictable:0 dirty:0 writeback:0 unstable:0 [ 379.635476] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 379.635476] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 379.635476] free:13688 free_pcp:208 free_cma:0 [ 379.640809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.648091] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 379.650483] Call Trace: [ 379.683818] 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 [ 379.693166] dump_stack+0x244/0x39d [ 379.720921] lowmem_reserve[]: 0 2818 6321 6321 [ 379.723514] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.749592] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 379.753219] warn_alloc.cold.116+0xb7/0x1bd [ 379.757760] lowmem_reserve[]: 0 0 3503 3503 [ 379.762948] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.790822] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 379.795141] ? lock_downgrade+0x900/0x900 [ 379.799427] lowmem_reserve[]: 0 0 0 0 [ 379.804272] ? trace_hardirqs_off+0xb8/0x310 [ 379.833212] 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 [ 379.837363] ? trace_hardirqs_off+0xb8/0x310 [ 379.841130] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 379.845545] __alloc_pages_slowpath+0x26e8/0x2e10 [ 379.859033] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 379.863456] ? warn_alloc+0x120/0x120 [ 379.879451] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 379.884276] ? zap_class+0x640/0x640 [ 379.899155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 379.899164] 1671 total pagecache pages [ 379.902954] ? warn_alloc+0x120/0x120 [ 379.911765] 0 pages in swap cache [ 379.915465] ? warn_alloc+0x120/0x120 [ 379.924034] Swap cache stats: add 0, delete 0, find 0/0 [ 379.927916] ? __lock_acquire+0x62f/0x4c20 [ 379.931696] Free swap = 0kB [ 379.935153] ? print_usage_bug+0xc0/0xc0 [ 379.938924] Total swap = 0kB [ 379.944275] ? print_usage_bug+0xc0/0xc0 [ 379.948502] 1965979 pages RAM [ 379.951516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.955544] 0 pages HighMem/MovableOnly [ 379.958556] ? should_fail+0x22d/0xd01 [ 379.962580] 342853 pages reserved [ 379.962587] 0 pages cma reserved [ 379.965680] ? find_held_lock+0x36/0x1c0 [ 379.971608] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.975516] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.975531] ? __lock_acquire+0x62f/0x4c20 [ 379.975550] ? should_fail+0x22d/0xd01 [ 379.979458] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.982851] ? __update_load_avg_blocked_se+0x690/0x690 [ 379.986207] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 379.990268] ? mark_held_locks+0x130/0x130 [ 380.034983] ? mark_held_locks+0x130/0x130 [ 380.039212] ? __lock_is_held+0xb5/0x140 [ 380.043283] ? zap_class+0x640/0x640 [ 380.046991] ? update_curr+0x344/0xbd0 [ 380.050878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.056411] ? check_preemption_disabled+0x48/0x280 [ 380.061434] ? __lock_is_held+0xb5/0x140 [ 380.065509] __alloc_pages_nodemask+0xa80/0xde0 [ 380.070722] ? zap_class+0x640/0x640 [ 380.074438] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 380.079479] ? find_held_lock+0x36/0x1c0 [ 380.083548] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.088220] ? lock_downgrade+0x900/0x900 [ 380.092373] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 380.097909] cache_grow_begin+0xa5/0x8c0 [ 380.101964] ? do_raw_spin_unlock+0xa7/0x330 [ 380.106375] fallback_alloc+0x204/0x2e0 [ 380.110353] ____cache_alloc_node+0x1c7/0x1e0 [ 380.114851] kmem_cache_alloc+0x1f8/0x730 [ 380.119007] skb_clone+0x1bb/0x500 [ 380.122543] ? skb_split+0x11e0/0x11e0 [ 380.126428] ? kasan_check_read+0x11/0x20 [ 380.130589] ? __schedule+0x168a/0x21d0 [ 380.134561] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.139675] ? lock_pin_lock+0x350/0x350 [ 380.143741] bpf_clone_redirect+0xb9/0x490 [ 380.147970] ? __schedule+0x168a/0x21d0 [ 380.151943] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 380.156977] ? __sched_text_start+0x8/0x8 [ 380.161119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.165883] ? find_held_lock+0x36/0x1c0 [ 380.170474] ? lock_acquire+0x1ed/0x520 [ 380.174452] ? bpf_test_run+0x3cb/0x780 [ 380.178424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.183961] ? check_preemption_disabled+0x48/0x280 [ 380.188974] ? kasan_check_read+0x11/0x20 [ 380.193117] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.198389] ? rcu_softirq_qs+0x20/0x20 [ 380.202372] ? preempt_schedule+0x4d/0x60 [ 380.206519] ? ___preempt_schedule+0x16/0x18 [ 380.210933] ? bpf_test_run+0x25d/0x780 [ 380.214913] ? netlink_diag_dump+0x2a0/0x2a0 [ 380.219322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.224859] ? bpf_test_init.isra.10+0x70/0x100 [ 380.229531] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 380.234301] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 380.239141] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 380.244677] ? fput+0x130/0x1a0 [ 380.247953] ? __bpf_prog_get+0x9b/0x290 [ 380.252011] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 380.256849] ? bpf_prog_test_run+0x130/0x1a0 [ 380.261254] ? __x64_sys_bpf+0x3d8/0x520 [ 380.265308] ? bpf_prog_get+0x20/0x20 [ 380.269711] ? do_syscall_64+0x1b9/0x820 [ 380.273769] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 380.279132] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.284055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.288895] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.293910] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 380.298921] ? prepare_exit_to_usermode+0x291/0x3b0 [ 380.303938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.308789] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.314168] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 380.314279] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.320917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.331378] syz-executor4 cpuset=syz4 mems_allowed=0 [ 380.340714] Call Trace: [ 380.348373] dump_stack+0x244/0x39d [ 380.352022] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.357221] warn_alloc.cold.116+0xb7/0x1bd [ 380.361540] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.366377] ? lock_downgrade+0x900/0x900 [ 380.370815] ? trace_hardirqs_off+0xb8/0x310 [ 380.375225] ? trace_hardirqs_off+0xb8/0x310 [ 380.379633] __alloc_pages_slowpath+0x26e8/0x2e10 [ 380.384494] ? warn_alloc+0x120/0x120 [ 380.388293] ? print_usage_bug+0xc0/0xc0 [ 380.392348] ? warn_alloc+0x120/0x120 [ 380.396150] ? warn_alloc+0x120/0x120 [ 380.399945] ? print_usage_bug+0xc0/0xc0 [ 380.404005] ? print_usage_bug+0xc0/0xc0 [ 380.408066] ? __lock_acquire+0x62f/0x4c20 [ 380.412299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.417829] ? should_fail+0x22d/0xd01 [ 380.421714] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.426808] ? __lock_acquire+0x62f/0x4c20 [ 380.431041] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.436139] ? __lock_acquire+0x62f/0x4c20 [ 380.440366] ? should_fail+0x22d/0xd01 [ 380.444246] ? find_held_lock+0x36/0x1c0 [ 380.448307] ? mark_held_locks+0x130/0x130 [ 380.452542] ? mark_held_locks+0x130/0x130 [ 380.456767] ? zap_class+0x640/0x640 [ 380.460474] ? zap_class+0x640/0x640 [ 380.464184] ? print_usage_bug+0xc0/0xc0 [ 380.468238] ? do_raw_spin_unlock+0xa7/0x330 [ 380.472965] ? zap_class+0x640/0x640 [ 380.476675] ? print_usage_bug+0xc0/0xc0 [ 380.480746] ? wq_watchdog_touch+0x9c/0xfe [ 380.484981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.490519] ? check_preemption_disabled+0x48/0x280 [ 380.495540] ? __lock_is_held+0xb5/0x140 [ 380.499599] __alloc_pages_nodemask+0xa80/0xde0 [ 380.504261] ? zap_class+0x640/0x640 [ 380.507976] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 380.512995] ? find_held_lock+0x36/0x1c0 [ 380.517057] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.521719] ? lock_downgrade+0x900/0x900 [ 380.525869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.531403] cache_grow_begin+0xa5/0x8c0 [ 380.535460] ? do_raw_spin_unlock+0xa7/0x330 [ 380.539865] fallback_alloc+0x204/0x2e0 [ 380.543837] ____cache_alloc_node+0x1c7/0x1e0 [ 380.548335] kmem_cache_alloc_node+0xe3/0x730 [ 380.552829] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.557069] __alloc_skb+0x119/0x770 [ 380.560777] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.566052] ? netdev_alloc_frag+0x1f0/0x1f0 [ 380.570804] ? lock_downgrade+0x900/0x900 [ 380.574953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.580488] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.585938] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.591383] ? addrconf_rs_timer+0x690/0x690 [ 380.595803] ndisc_alloc_skb+0x144/0x340 [ 380.599868] ndisc_send_rs+0x331/0x6e0 [ 380.603753] addrconf_rs_timer+0x314/0x690 [ 380.607993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.612243] call_timer_fn+0x272/0x920 [ 380.616122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.620350] ? process_timeout+0x40/0x40 [ 380.624420] ? __run_timers+0x7da/0xc70 [ 380.628394] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.632887] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.637374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.641610] ? lockdep_hardirqs_on+0x296/0x5b0 [ 380.646189] ? trace_hardirqs_on+0xbd/0x310 [ 380.650504] ? kasan_check_read+0x11/0x20 [ 380.654645] ? __run_timers+0x7da/0xc70 [ 380.658628] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.663728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.667964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.672540] __run_timers+0x7e5/0xc70 [ 380.676341] ? timer_fixup_init+0x70/0x70 [ 380.680485] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.684973] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.689479] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 380.694055] ? trace_hardirqs_on+0xbd/0x310 [ 380.698368] ? kasan_check_read+0x11/0x20 [ 380.702509] ? finish_task_switch+0x1f4/0x910 [ 380.706998] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.712110] ? compat_start_thread+0x80/0x80 [ 380.716528] ? pvclock_read_flags+0x160/0x160 [ 380.721012] ? __switch_to_asm+0x34/0x70 [ 380.725068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.730601] ? check_preemption_disabled+0x48/0x280 [ 380.735619] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 380.741149] ? rcu_pm_notify+0xc0/0xc0 [ 380.745031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.750564] ? check_preemption_disabled+0x48/0x280 [ 380.755582] run_timer_softirq+0x52/0xb0 [ 380.759641] ? rcu_read_lock_sched_held+0x14f/0x180 [ 380.764659] __do_softirq+0x308/0xb7e [ 380.768457] ? trace_hardirqs_on_caller+0xc0/0x310 [ 380.773688] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 380.778786] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.784234] ? schedule+0x108/0x460 [ 380.787866] ? trace_hardirqs_off+0xb8/0x310 [ 380.792273] ? smpboot_thread_fn+0x68b/0xa00 [ 380.796679] ? trace_hardirqs_on+0x310/0x310 [ 380.801090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.806623] ? check_preemption_disabled+0x48/0x280 [ 380.811640] ? takeover_tasklets+0xa90/0xa90 [ 380.816048] run_ksoftirqd+0x5e/0x100 [ 380.819845] smpboot_thread_fn+0x68b/0xa00 [ 380.824078] ? sort_range+0x30/0x30 [ 380.827698] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.832801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.838334] ? __kthread_parkme+0xfb/0x1a0 [ 380.842566] ? sort_range+0x30/0x30 [ 380.846187] kthread+0x35a/0x440 [ 380.849810] ? kthread_stop+0x900/0x900 [ 380.853793] ret_from_fork+0x3a/0x50 [ 380.857515] warn_alloc_show_mem: 1 callbacks suppressed [ 380.857525] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 380.857527] Mem-Info: [ 380.857559] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 380.857559] active_file:10 inactive_file:14 isolated_file:0 [ 380.857559] unevictable:0 dirty:0 writeback:0 unstable:0 [ 380.857559] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 380.857559] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 380.857559] free:13688 free_pcp:208 free_cma:0 [ 380.862891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.870473] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 380.872862] Call Trace: [ 380.905891] 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 [ 380.915258] dump_stack+0x244/0x39d [ 380.942907] lowmem_reserve[]: 0 2818 6321 6321 [ 380.945485] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.971956] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 380.975668] warn_alloc.cold.116+0xb7/0x1bd [ 380.980211] lowmem_reserve[]: 0 0 3503 3503 [ 380.985436] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.012730] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 381.017571] ? lock_downgrade+0x900/0x900 [ 381.021863] lowmem_reserve[]: 0 0 0 0 [ 381.026702] ? trace_hardirqs_off+0xb8/0x310 [ 381.055643] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 381.059787] ? trace_hardirqs_off+0xb8/0x310 [ 381.063553] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 381.067966] __alloc_pages_slowpath+0x26e8/0x2e10 [ 381.081738] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 381.086166] ? warn_alloc+0x120/0x120 [ 381.101807] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 381.106631] ? zap_class+0x640/0x640 [ 381.121522] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.125307] ? warn_alloc+0x120/0x120 [ 381.134114] 1671 total pagecache pages [ 381.137819] ? warn_alloc+0x120/0x120 [ 381.146375] 0 pages in swap cache [ 381.150169] ? __lock_acquire+0x62f/0x4c20 [ 381.154030] Swap cache stats: add 0, delete 0, find 0/0 [ 381.157815] ? print_usage_bug+0xc0/0xc0 [ 381.161241] Free swap = 0kB [ 381.165460] ? print_usage_bug+0xc0/0xc0 [ 381.171085] Total swap = 0kB [ 381.175150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.178134] 1965979 pages RAM [ 381.182191] ? should_fail+0x22d/0xd01 [ 381.185178] 0 pages HighMem/MovableOnly [ 381.190702] ? find_held_lock+0x36/0x1c0 [ 381.193778] 342853 pages reserved [ 381.193785] 0 pages cma reserved [ 381.197657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.201667] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.205653] ? __lock_acquire+0x62f/0x4c20 [ 381.205677] ? should_fail+0x22d/0xd01 [ 381.209151] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.212467] ? __update_load_avg_blocked_se+0x690/0x690 [ 381.217539] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 381.224030] ? mark_held_locks+0x130/0x130 [ 381.256663] ? mark_held_locks+0x130/0x130 [ 381.260893] ? __lock_is_held+0xb5/0x140 [ 381.264959] ? zap_class+0x640/0x640 [ 381.268672] ? update_curr+0x344/0xbd0 [ 381.273134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.278669] ? check_preemption_disabled+0x48/0x280 [ 381.283693] ? __lock_is_held+0xb5/0x140 [ 381.287756] __alloc_pages_nodemask+0xa80/0xde0 [ 381.292434] ? zap_class+0x640/0x640 [ 381.296152] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 381.301174] ? find_held_lock+0x36/0x1c0 [ 381.305244] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.309911] ? lock_downgrade+0x900/0x900 [ 381.314063] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 381.319601] cache_grow_begin+0xa5/0x8c0 [ 381.323660] ? do_raw_spin_unlock+0xa7/0x330 [ 381.328073] fallback_alloc+0x204/0x2e0 [ 381.332049] ____cache_alloc_node+0x1c7/0x1e0 [ 381.336548] kmem_cache_alloc+0x1f8/0x730 [ 381.340704] skb_clone+0x1bb/0x500 [ 381.344243] ? skb_split+0x11e0/0x11e0 [ 381.348137] ? kasan_check_read+0x11/0x20 [ 381.352284] ? __schedule+0x168a/0x21d0 [ 381.356256] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.361361] ? lock_pin_lock+0x350/0x350 [ 381.365430] bpf_clone_redirect+0xb9/0x490 [ 381.370171] ? __schedule+0x168a/0x21d0 [ 381.374148] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 381.379174] ? __sched_text_start+0x8/0x8 [ 381.383322] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 381.388124] ? find_held_lock+0x36/0x1c0 [ 381.392186] ? lock_acquire+0x1ed/0x520 [ 381.396173] ? bpf_test_run+0x3cb/0x780 [ 381.400143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.405676] ? check_preemption_disabled+0x48/0x280 [ 381.410695] ? kasan_check_read+0x11/0x20 [ 381.414843] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.420128] ? rcu_softirq_qs+0x20/0x20 [ 381.424112] ? preempt_schedule+0x4d/0x60 [ 381.428253] ? ___preempt_schedule+0x16/0x18 [ 381.432660] ? bpf_test_run+0x25d/0x780 [ 381.436636] ? netlink_diag_dump+0x2a0/0x2a0 [ 381.441063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.446596] ? bpf_test_init.isra.10+0x70/0x100 [ 381.451266] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 381.456027] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 381.460863] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 381.466399] ? fput+0x130/0x1a0 [ 381.470161] ? __bpf_prog_get+0x9b/0x290 [ 381.474224] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 381.479061] ? bpf_prog_test_run+0x130/0x1a0 [ 381.483478] ? __x64_sys_bpf+0x3d8/0x520 [ 381.487533] ? bpf_prog_get+0x20/0x20 [ 381.491352] ? do_syscall_64+0x1b9/0x820 [ 381.495411] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 381.500773] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.505709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.510549] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.515577] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 381.520593] ? prepare_exit_to_usermode+0x291/0x3b0 [ 381.525647] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.530490] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.535866] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 381.535973] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.542622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.553088] syz-executor4 cpuset=syz4 mems_allowed=0 [ 381.562421] Call Trace: [ 381.570359] dump_stack+0x244/0x39d [ 381.574004] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.579199] warn_alloc.cold.116+0xb7/0x1bd [ 381.583515] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.588355] ? lock_downgrade+0x900/0x900 [ 381.592521] ? trace_hardirqs_off+0xb8/0x310 [ 381.596929] ? trace_hardirqs_off+0xb8/0x310 [ 381.601342] __alloc_pages_slowpath+0x26e8/0x2e10 [ 381.606205] ? warn_alloc+0x120/0x120 [ 381.610000] ? print_usage_bug+0xc0/0xc0 [ 381.614056] ? warn_alloc+0x120/0x120 [ 381.617871] ? warn_alloc+0x120/0x120 [ 381.621691] ? print_usage_bug+0xc0/0xc0 [ 381.625754] ? print_usage_bug+0xc0/0xc0 [ 381.629824] ? __lock_acquire+0x62f/0x4c20 [ 381.634073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.639608] ? should_fail+0x22d/0xd01 [ 381.643515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.648611] ? __lock_acquire+0x62f/0x4c20 [ 381.652859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.657957] ? __lock_acquire+0x62f/0x4c20 [ 381.662189] ? should_fail+0x22d/0xd01 [ 381.666089] ? find_held_lock+0x36/0x1c0 [ 381.670452] ? mark_held_locks+0x130/0x130 [ 381.674685] ? mark_held_locks+0x130/0x130 [ 381.678913] ? zap_class+0x640/0x640 [ 381.682620] ? zap_class+0x640/0x640 [ 381.686338] ? print_usage_bug+0xc0/0xc0 [ 381.690390] ? do_raw_spin_unlock+0xa7/0x330 [ 381.694792] ? zap_class+0x640/0x640 [ 381.698498] ? print_usage_bug+0xc0/0xc0 [ 381.702553] ? wq_watchdog_touch+0x9c/0xfe [ 381.706790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.712329] ? check_preemption_disabled+0x48/0x280 [ 381.717352] ? __lock_is_held+0xb5/0x140 [ 381.721413] __alloc_pages_nodemask+0xa80/0xde0 [ 381.726074] ? zap_class+0x640/0x640 [ 381.729790] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 381.734815] ? find_held_lock+0x36/0x1c0 [ 381.738883] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.743548] ? lock_downgrade+0x900/0x900 [ 381.747701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.753231] cache_grow_begin+0xa5/0x8c0 [ 381.757286] ? do_raw_spin_unlock+0xa7/0x330 [ 381.761711] fallback_alloc+0x204/0x2e0 [ 381.765702] ____cache_alloc_node+0x1c7/0x1e0 [ 381.770519] kmem_cache_alloc_node+0xe3/0x730 [ 381.775011] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.779268] __alloc_skb+0x119/0x770 [ 381.782971] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.788249] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.792651] ? lock_downgrade+0x900/0x900 [ 381.796800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.802332] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.807779] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.813225] ? addrconf_rs_timer+0x690/0x690 [ 381.817641] ndisc_alloc_skb+0x144/0x340 [ 381.821700] ndisc_send_rs+0x331/0x6e0 [ 381.825590] addrconf_rs_timer+0x314/0x690 [ 381.829823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.834074] call_timer_fn+0x272/0x920 [ 381.837954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.842181] ? process_timeout+0x40/0x40 [ 381.846240] ? __run_timers+0x7da/0xc70 [ 381.850222] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.854710] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.859199] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.863446] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.868025] ? trace_hardirqs_on+0xbd/0x310 [ 381.872675] ? kasan_check_read+0x11/0x20 [ 381.876816] ? __run_timers+0x7da/0xc70 [ 381.880786] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.885890] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.890124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.894352] __run_timers+0x7e5/0xc70 [ 381.898155] ? timer_fixup_init+0x70/0x70 [ 381.902302] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.906795] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.911287] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 381.915889] ? trace_hardirqs_on+0xbd/0x310 [ 381.920205] ? kasan_check_read+0x11/0x20 [ 381.924354] ? finish_task_switch+0x1f4/0x910 [ 381.928846] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.933943] ? compat_start_thread+0x80/0x80 [ 381.938364] ? pvclock_read_flags+0x160/0x160 [ 381.942850] ? __switch_to_asm+0x34/0x70 [ 381.946904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.952468] ? check_preemption_disabled+0x48/0x280 [ 381.957497] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 381.963155] ? rcu_pm_notify+0xc0/0xc0 [ 381.967039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.972907] ? check_preemption_disabled+0x48/0x280 [ 381.977922] run_timer_softirq+0x52/0xb0 [ 381.981976] ? rcu_read_lock_sched_held+0x14f/0x180 [ 381.986989] __do_softirq+0x308/0xb7e [ 381.990792] ? trace_hardirqs_on_caller+0xc0/0x310 [ 381.995720] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.000815] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.006265] ? schedule+0x108/0x460 [ 382.009902] ? trace_hardirqs_off+0xb8/0x310 [ 382.014315] ? smpboot_thread_fn+0x68b/0xa00 [ 382.018720] ? trace_hardirqs_on+0x310/0x310 [ 382.023126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.028675] ? check_preemption_disabled+0x48/0x280 [ 382.033688] ? takeover_tasklets+0xa90/0xa90 [ 382.038092] run_ksoftirqd+0x5e/0x100 [ 382.041887] smpboot_thread_fn+0x68b/0xa00 [ 382.046118] ? sort_range+0x30/0x30 [ 382.049742] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.054927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.060461] ? __kthread_parkme+0xfb/0x1a0 [ 382.064694] ? sort_range+0x30/0x30 [ 382.068314] kthread+0x35a/0x440 [ 382.072052] ? kthread_stop+0x900/0x900 [ 382.076023] ret_from_fork+0x3a/0x50 [ 382.079745] warn_alloc_show_mem: 1 callbacks suppressed [ 382.079755] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 382.079757] Mem-Info: [ 382.079789] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 382.079789] active_file:10 inactive_file:14 isolated_file:0 [ 382.079789] unevictable:0 dirty:0 writeback:0 unstable:0 [ 382.079789] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 382.079789] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 382.079789] free:13688 free_pcp:208 free_cma:0 [ 382.085121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.092392] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 382.094785] Call Trace: [ 382.127813] 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 [ 382.137160] dump_stack+0x244/0x39d [ 382.164795] lowmem_reserve[]: 0 2818 6321 6321 [ 382.167386] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.193835] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 382.197464] warn_alloc.cold.116+0xb7/0x1bd [ 382.202000] lowmem_reserve[]: 0 0 3503 3503 [ 382.207191] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.234481] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 382.238797] ? lock_downgrade+0x900/0x900 [ 382.243087] lowmem_reserve[]: 0 0 0 0 [ 382.247931] ? trace_hardirqs_off+0xb8/0x310 [ 382.277147] 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 [ 382.281298] ? trace_hardirqs_off+0xb8/0x310 [ 382.285078] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 382.289483] __alloc_pages_slowpath+0x26e8/0x2e10 [ 382.302968] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 382.307410] ? warn_alloc+0x120/0x120 [ 382.323066] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 382.327891] ? zap_class+0x640/0x640 [ 382.342784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 382.342793] 1671 total pagecache pages [ 382.346583] ? warn_alloc+0x120/0x120 [ 382.355395] 0 pages in swap cache [ 382.359096] ? warn_alloc+0x120/0x120 [ 382.367643] Swap cache stats: add 0, delete 0, find 0/0 [ 382.372087] ? __lock_acquire+0x62f/0x4c20 [ 382.375860] Free swap = 0kB [ 382.379314] ? print_usage_bug+0xc0/0xc0 [ 382.383084] Total swap = 0kB [ 382.388438] ? print_usage_bug+0xc0/0xc0 [ 382.392646] 1965979 pages RAM [ 382.395674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.399715] 0 pages HighMem/MovableOnly [ 382.399723] 342853 pages reserved [ 382.402731] ? should_fail+0x22d/0xd01 [ 382.406761] 0 pages cma reserved [ 382.409854] ? find_held_lock+0x36/0x1c0 [ 382.415420] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.419324] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.419338] ? __lock_acquire+0x62f/0x4c20 [ 382.419358] ? should_fail+0x22d/0xd01 [ 382.422830] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.426658] ? __update_load_avg_blocked_se+0x690/0x690 [ 382.429992] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 382.434052] ? mark_held_locks+0x130/0x130 [ 382.478953] ? mark_held_locks+0x130/0x130 [ 382.483184] ? __lock_is_held+0xb5/0x140 [ 382.487257] ? zap_class+0x640/0x640 [ 382.490966] ? update_curr+0x344/0xbd0 [ 382.494853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.500411] ? check_preemption_disabled+0x48/0x280 [ 382.505527] ? __lock_is_held+0xb5/0x140 [ 382.509594] __alloc_pages_nodemask+0xa80/0xde0 [ 382.514265] ? zap_class+0x640/0x640 [ 382.517981] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 382.523014] ? find_held_lock+0x36/0x1c0 [ 382.527082] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.531751] ? lock_downgrade+0x900/0x900 [ 382.535902] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.541443] cache_grow_begin+0xa5/0x8c0 [ 382.545499] ? do_raw_spin_unlock+0xa7/0x330 [ 382.549910] fallback_alloc+0x204/0x2e0 [ 382.553886] ____cache_alloc_node+0x1c7/0x1e0 [ 382.558384] kmem_cache_alloc+0x1f8/0x730 [ 382.562540] skb_clone+0x1bb/0x500 [ 382.566077] ? skb_split+0x11e0/0x11e0 [ 382.570502] ? kasan_check_read+0x11/0x20 [ 382.574647] ? __schedule+0x168a/0x21d0 [ 382.578617] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.583714] ? lock_pin_lock+0x350/0x350 [ 382.587783] bpf_clone_redirect+0xb9/0x490 [ 382.592016] ? __schedule+0x168a/0x21d0 [ 382.595998] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 382.601025] ? __sched_text_start+0x8/0x8 [ 382.605171] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 382.609935] ? find_held_lock+0x36/0x1c0 [ 382.614005] ? lock_acquire+0x1ed/0x520 [ 382.617976] ? bpf_test_run+0x3cb/0x780 [ 382.621950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.627514] ? check_preemption_disabled+0x48/0x280 [ 382.632533] ? kasan_check_read+0x11/0x20 [ 382.636687] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.641975] ? rcu_softirq_qs+0x20/0x20 [ 382.645953] ? preempt_schedule+0x4d/0x60 [ 382.650100] ? ___preempt_schedule+0x16/0x18 [ 382.654511] ? bpf_test_run+0x25d/0x780 [ 382.658493] ? netlink_diag_dump+0x2a0/0x2a0 [ 382.662900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.668437] ? bpf_test_init.isra.10+0x70/0x100 [ 382.673622] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 382.678575] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 382.683416] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.688950] ? fput+0x130/0x1a0 [ 382.692324] ? __bpf_prog_get+0x9b/0x290 [ 382.696387] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 382.701230] ? bpf_prog_test_run+0x130/0x1a0 [ 382.705640] ? __x64_sys_bpf+0x3d8/0x520 [ 382.709702] ? bpf_prog_get+0x20/0x20 [ 382.713518] ? do_syscall_64+0x1b9/0x820 [ 382.717588] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 382.722962] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.727891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.732749] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.737762] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 382.742776] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.747796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.752653] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.758029] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 382.758135] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.764784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.775777] syz-executor4 cpuset=syz4 mems_allowed=0 [ 382.785113] Call Trace: [ 382.792808] dump_stack+0x244/0x39d [ 382.796432] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.801730] warn_alloc.cold.116+0xb7/0x1bd [ 382.806046] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.810887] ? lock_downgrade+0x900/0x900 [ 382.815044] ? trace_hardirqs_off+0xb8/0x310 [ 382.819465] ? trace_hardirqs_off+0xb8/0x310 [ 382.823904] __alloc_pages_slowpath+0x26e8/0x2e10 [ 382.828764] ? warn_alloc+0x120/0x120 [ 382.832561] ? print_usage_bug+0xc0/0xc0 [ 382.836619] ? warn_alloc+0x120/0x120 [ 382.840418] ? warn_alloc+0x120/0x120 [ 382.844222] ? print_usage_bug+0xc0/0xc0 [ 382.848509] ? print_usage_bug+0xc0/0xc0 [ 382.852570] ? __lock_acquire+0x62f/0x4c20 [ 382.856808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.862339] ? should_fail+0x22d/0xd01 [ 382.866230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.871671] ? __lock_acquire+0x62f/0x4c20 [ 382.875904] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.881001] ? __lock_acquire+0x62f/0x4c20 [ 382.885232] ? should_fail+0x22d/0xd01 [ 382.889114] ? find_held_lock+0x36/0x1c0 [ 382.893182] ? mark_held_locks+0x130/0x130 [ 382.897517] ? mark_held_locks+0x130/0x130 [ 382.901746] ? zap_class+0x640/0x640 [ 382.905461] ? zap_class+0x640/0x640 [ 382.909175] ? print_usage_bug+0xc0/0xc0 [ 382.913254] ? do_raw_spin_unlock+0xa7/0x330 [ 382.917830] ? zap_class+0x640/0x640 [ 382.921537] ? print_usage_bug+0xc0/0xc0 [ 382.925590] ? wq_watchdog_touch+0x9c/0xfe [ 382.929821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.935385] ? check_preemption_disabled+0x48/0x280 [ 382.940404] ? __lock_is_held+0xb5/0x140 [ 382.944473] __alloc_pages_nodemask+0xa80/0xde0 [ 382.949140] ? zap_class+0x640/0x640 [ 382.952852] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 382.957877] ? find_held_lock+0x36/0x1c0 [ 382.961940] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.966606] ? lock_downgrade+0x900/0x900 [ 382.971546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.977079] cache_grow_begin+0xa5/0x8c0 [ 382.981134] ? do_raw_spin_unlock+0xa7/0x330 [ 382.985548] fallback_alloc+0x204/0x2e0 [ 382.989523] ____cache_alloc_node+0x1c7/0x1e0 [ 382.994016] kmem_cache_alloc_node+0xe3/0x730 [ 382.998505] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.002744] __alloc_skb+0x119/0x770 [ 383.006451] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.011731] ? netdev_alloc_frag+0x1f0/0x1f0 [ 383.016445] ? lock_downgrade+0x900/0x900 [ 383.021254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.026878] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.032330] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.037779] ? addrconf_rs_timer+0x690/0x690 [ 383.042199] ndisc_alloc_skb+0x144/0x340 [ 383.046264] ndisc_send_rs+0x331/0x6e0 [ 383.050152] addrconf_rs_timer+0x314/0x690 [ 383.054387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.058630] call_timer_fn+0x272/0x920 [ 383.062513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.066743] ? process_timeout+0x40/0x40 [ 383.071109] ? __run_timers+0x7da/0xc70 [ 383.075082] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.079568] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.084056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.088285] ? lockdep_hardirqs_on+0x296/0x5b0 [ 383.092862] ? trace_hardirqs_on+0xbd/0x310 [ 383.097179] ? kasan_check_read+0x11/0x20 [ 383.101326] ? __run_timers+0x7da/0xc70 [ 383.105313] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.110416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.114654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.118885] __run_timers+0x7e5/0xc70 [ 383.122688] ? timer_fixup_init+0x70/0x70 [ 383.126840] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.131328] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.135818] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 383.140398] ? trace_hardirqs_on+0xbd/0x310 [ 383.144710] ? kasan_check_read+0x11/0x20 [ 383.148852] ? finish_task_switch+0x1f4/0x910 [ 383.153345] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.158447] ? compat_start_thread+0x80/0x80 [ 383.162872] ? pvclock_read_flags+0x160/0x160 [ 383.167374] ? __switch_to_asm+0x34/0x70 [ 383.171779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.177311] ? check_preemption_disabled+0x48/0x280 [ 383.182334] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 383.187866] ? rcu_pm_notify+0xc0/0xc0 [ 383.191829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.197361] ? check_preemption_disabled+0x48/0x280 [ 383.202383] run_timer_softirq+0x52/0xb0 [ 383.206447] ? rcu_read_lock_sched_held+0x14f/0x180 [ 383.211467] __do_softirq+0x308/0xb7e [ 383.215273] ? trace_hardirqs_on_caller+0xc0/0x310 [ 383.220207] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 383.225305] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.230757] ? schedule+0x108/0x460 [ 383.234388] ? trace_hardirqs_off+0xb8/0x310 [ 383.238796] ? smpboot_thread_fn+0x68b/0xa00 [ 383.243206] ? trace_hardirqs_on+0x310/0x310 [ 383.247611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.253142] ? check_preemption_disabled+0x48/0x280 [ 383.258163] ? takeover_tasklets+0xa90/0xa90 [ 383.262576] run_ksoftirqd+0x5e/0x100 [ 383.266371] smpboot_thread_fn+0x68b/0xa00 [ 383.270966] ? sort_range+0x30/0x30 [ 383.274589] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 383.279684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.285233] ? __kthread_parkme+0xfb/0x1a0 [ 383.289472] ? sort_range+0x30/0x30 [ 383.293094] kthread+0x35a/0x440 [ 383.296463] ? kthread_stop+0x900/0x900 [ 383.300437] ret_from_fork+0x3a/0x50 [ 383.304156] warn_alloc_show_mem: 1 callbacks suppressed [ 383.304167] CPU: 1 PID: 12195 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82 [ 383.304176] Mem-Info: [ 383.304207] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 383.304207] active_file:10 inactive_file:14 isolated_file:0 [ 383.304207] unevictable:0 dirty:0 writeback:0 unstable:0 [ 383.304207] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 383.304207] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 383.304207] free:13688 free_pcp:208 free_cma:0 [ 383.309541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.316812] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 383.319206] Call Trace: [ 383.352254] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 383.361618] dump_stack+0x244/0x39d [ 383.389549] lowmem_reserve[]: 0 2818 6321 6321 [ 383.392138] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.418304] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 383.421940] warn_alloc.cold.116+0xb7/0x1bd [ 383.426479] lowmem_reserve[]: 0 0 3503 3503 [ 383.431660] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.458954] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 383.463267] ? lock_downgrade+0x900/0x900 [ 383.467733] lowmem_reserve[]: 0 0 0 0 [ 383.473110] ? trace_hardirqs_off+0xb8/0x310 [ 383.502061] 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 [ 383.506204] ? trace_hardirqs_off+0xb8/0x310 [ 383.509974] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 383.514376] __alloc_pages_slowpath+0x26e8/0x2e10 [ 383.527874] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 383.532391] ? warn_alloc+0x120/0x120 [ 383.548049] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.552874] ? zap_class+0x640/0x640 [ 383.567762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.572249] ? warn_alloc+0x120/0x120 [ 383.581057] 1671 total pagecache pages [ 383.584758] ? warn_alloc+0x120/0x120 [ 383.593311] 0 pages in swap cache [ 383.597092] ? __lock_acquire+0x62f/0x4c20 [ 383.600957] Swap cache stats: add 0, delete 0, find 0/0 [ 383.604739] ? print_usage_bug+0xc0/0xc0 [ 383.608166] Free swap = 0kB [ 383.612386] ? print_usage_bug+0xc0/0xc0 [ 383.617727] Total swap = 0kB [ 383.621782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.624768] 1965979 pages RAM [ 383.628814] ? should_fail+0x22d/0xd01 [ 383.631801] 0 pages HighMem/MovableOnly [ 383.637322] ? find_held_lock+0x36/0x1c0 [ 383.640395] 342853 pages reserved [ 383.644276] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.648220] 0 pages cma reserved [ 383.652272] ? __lock_acquire+0x62f/0x4c20 [ 383.655756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.660790] ? should_fail+0x22d/0xd01 [ 383.664182] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.668357] ? __update_load_avg_blocked_se+0x690/0x690 [ 383.675108] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 383.678994] ? mark_held_locks+0x130/0x130 [ 383.703501] ? mark_held_locks+0x130/0x130 [ 383.707730] ? __lock_is_held+0xb5/0x140 [ 383.711798] ? zap_class+0x640/0x640 [ 383.715508] ? update_curr+0x344/0xbd0 [ 383.719393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.724927] ? check_preemption_disabled+0x48/0x280 [ 383.729943] ? __lock_is_held+0xb5/0x140 [ 383.734009] __alloc_pages_nodemask+0xa80/0xde0 [ 383.738673] ? zap_class+0x640/0x640 [ 383.742387] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 383.747409] ? find_held_lock+0x36/0x1c0 [ 383.751476] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.756148] ? lock_downgrade+0x900/0x900 [ 383.760298] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 383.765840] cache_grow_begin+0xa5/0x8c0 [ 383.770394] ? do_raw_spin_unlock+0xa7/0x330 [ 383.774807] fallback_alloc+0x204/0x2e0 [ 383.778783] ____cache_alloc_node+0x1c7/0x1e0 [ 383.783281] kmem_cache_alloc+0x1f8/0x730 [ 383.787436] skb_clone+0x1bb/0x500 [ 383.790974] ? skb_split+0x11e0/0x11e0 [ 383.794860] ? kasan_check_read+0x11/0x20 [ 383.799006] ? __schedule+0x168a/0x21d0 [ 383.802987] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.808083] ? lock_pin_lock+0x350/0x350 [ 383.812156] bpf_clone_redirect+0xb9/0x490 [ 383.816385] ? __schedule+0x168a/0x21d0 [ 383.820357] bpf_prog_bebbfe2050753572+0xc11/0x1000 [ 383.825371] ? __sched_text_start+0x8/0x8 [ 383.829528] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 383.834289] ? find_held_lock+0x36/0x1c0 [ 383.838353] ? lock_acquire+0x1ed/0x520 [ 383.842324] ? bpf_test_run+0x3cb/0x780 [ 383.846293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.851831] ? check_preemption_disabled+0x48/0x280 [ 383.856848] ? kasan_check_read+0x11/0x20 [ 383.861010] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.866282] ? rcu_softirq_qs+0x20/0x20 [ 383.870994] ? preempt_schedule+0x4d/0x60 [ 383.875151] ? ___preempt_schedule+0x16/0x18 [ 383.879561] ? bpf_test_run+0x25d/0x780 [ 383.883543] ? netlink_diag_dump+0x2a0/0x2a0 [ 383.887960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.893494] ? bpf_test_init.isra.10+0x70/0x100 [ 383.898164] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 383.902925] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 383.907759] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 383.913290] ? fput+0x130/0x1a0 [ 383.916675] ? __bpf_prog_get+0x9b/0x290 [ 383.920736] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 383.925573] ? bpf_prog_test_run+0x130/0x1a0 [ 383.929978] ? __x64_sys_bpf+0x3d8/0x520 [ 383.934034] ? bpf_prog_get+0x20/0x20 [ 383.937849] ? do_syscall_64+0x1b9/0x820 [ 383.941923] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 383.947300] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.952225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.957068] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.962082] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 383.967100] ? prepare_exit_to_usermode+0x291/0x3b0 [ 383.972645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.977488] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.982865] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 383.983150] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.989636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.999924] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 384.009260] Call Trace: [ 384.016505] dump_stack+0x244/0x39d [ 384.020145] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.025343] warn_alloc.cold.116+0xb7/0x1bd [ 384.029683] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.034522] ? lock_downgrade+0x900/0x900 [ 384.038672] ? trace_hardirqs_off+0xb8/0x310 [ 384.043080] ? trace_hardirqs_off+0xb8/0x310 [ 384.047500] __alloc_pages_slowpath+0x26e8/0x2e10 [ 384.052365] ? warn_alloc+0x120/0x120 [ 384.056166] ? print_usage_bug+0xc0/0xc0 [ 384.060226] ? warn_alloc+0x120/0x120 [ 384.064030] ? warn_alloc+0x120/0x120 [ 384.067825] ? print_usage_bug+0xc0/0xc0 [ 384.072235] ? print_usage_bug+0xc0/0xc0 [ 384.076291] ? __lock_acquire+0x62f/0x4c20 [ 384.080545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.086079] ? should_fail+0x22d/0xd01 [ 384.089974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.095074] ? __lock_acquire+0x62f/0x4c20 [ 384.099314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.104410] ? __lock_acquire+0x62f/0x4c20 [ 384.108639] ? should_fail+0x22d/0xd01 [ 384.112519] ? find_held_lock+0x36/0x1c0 [ 384.116602] ? mark_held_locks+0x130/0x130 [ 384.120834] ? mark_held_locks+0x130/0x130 [ 384.125060] ? zap_class+0x640/0x640 [ 384.128770] ? zap_class+0x640/0x640 [ 384.132482] ? print_usage_bug+0xc0/0xc0 [ 384.136538] ? do_raw_spin_unlock+0xa7/0x330 [ 384.140953] ? zap_class+0x640/0x640 [ 384.144662] ? print_usage_bug+0xc0/0xc0 [ 384.148717] ? wq_watchdog_touch+0x9c/0xfe [ 384.152947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.158479] ? check_preemption_disabled+0x48/0x280 [ 384.163501] ? __lock_is_held+0xb5/0x140 [ 384.167560] __alloc_pages_nodemask+0xa80/0xde0 [ 384.172573] ? zap_class+0x640/0x640 [ 384.176290] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 384.181310] ? find_held_lock+0x36/0x1c0 [ 384.185381] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.190047] ? lock_downgrade+0x900/0x900 [ 384.194200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.199736] cache_grow_begin+0xa5/0x8c0 [ 384.203802] ? do_raw_spin_unlock+0xa7/0x330 [ 384.208222] fallback_alloc+0x204/0x2e0 [ 384.212229] ____cache_alloc_node+0x1c7/0x1e0 [ 384.216734] kmem_cache_alloc_node+0xe3/0x730 [ 384.221222] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.225458] __alloc_skb+0x119/0x770 [ 384.229166] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.234440] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.238862] ? lock_downgrade+0x900/0x900 [ 384.243010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.248546] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.253993] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.259437] ? addrconf_rs_timer+0x690/0x690 [ 384.263866] ndisc_alloc_skb+0x144/0x340 [ 384.267923] ndisc_send_rs+0x331/0x6e0 [ 384.272125] addrconf_rs_timer+0x314/0x690 [ 384.276373] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.280611] call_timer_fn+0x272/0x920 [ 384.284492] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.288721] ? process_timeout+0x40/0x40 [ 384.292783] ? __run_timers+0x7da/0xc70 [ 384.296754] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.301241] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.305730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.309962] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.314542] ? trace_hardirqs_on+0xbd/0x310 [ 384.318859] ? kasan_check_read+0x11/0x20 [ 384.323000] ? __run_timers+0x7da/0xc70 [ 384.327057] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.332173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.336403] __run_timers+0x7e5/0xc70 [ 384.340207] ? timer_fixup_init+0x70/0x70 [ 384.344352] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.348845] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.353339] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 384.357916] ? trace_hardirqs_on+0xbd/0x310 [ 384.362233] ? kasan_check_read+0x11/0x20 [ 384.366379] ? finish_task_switch+0x1f4/0x910 [ 384.371169] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.376266] ? compat_start_thread+0x80/0x80 [ 384.380689] ? pvclock_read_flags+0x160/0x160 [ 384.385186] ? __switch_to_asm+0x34/0x70 [ 384.389278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.394814] ? check_preemption_disabled+0x48/0x280 [ 384.399866] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 384.405398] ? rcu_pm_notify+0xc0/0xc0 [ 384.409284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.414827] ? check_preemption_disabled+0x48/0x280 [ 384.419841] run_timer_softirq+0x52/0xb0 [ 384.423896] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.428907] __do_softirq+0x308/0xb7e [ 384.432708] ? trace_hardirqs_on_caller+0xc0/0x310 [ 384.437633] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.442728] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.448203] ? schedule+0x108/0x460 [ 384.451835] ? trace_hardirqs_off+0xb8/0x310 [ 384.456239] ? smpboot_thread_fn+0x68b/0xa00 [ 384.460641] ? trace_hardirqs_on+0x310/0x310 [ 384.465046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.470849] ? check_preemption_disabled+0x48/0x280 [ 384.475863] ? takeover_tasklets+0xa90/0xa90 [ 384.480265] run_ksoftirqd+0x5e/0x100 [ 384.484060] smpboot_thread_fn+0x68b/0xa00 [ 384.488302] ? sort_range+0x30/0x30 [ 384.491928] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.497027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.502558] ? __kthread_parkme+0xfb/0x1a0 [ 384.506789] ? sort_range+0x30/0x30 [ 384.510411] kthread+0x35a/0x440 [ 384.513774] ? kthread_stop+0x900/0x900 [ 384.517743] ret_from_fork+0x3a/0x50 [ 384.521464] warn_alloc_show_mem: 1 callbacks suppressed [ 384.521473] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 384.521474] Mem-Info: [ 384.521505] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 384.521505] active_file:10 inactive_file:14 isolated_file:0 [ 384.521505] unevictable:0 dirty:0 writeback:0 unstable:0 [ 384.521505] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 384.521505] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 384.521505] free:13688 free_pcp:208 free_cma:0 [ 384.526837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.526844] Call Trace: [ 384.533695] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 384.536101] dump_stack+0x244/0x39d [ 384.569396] 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 [ 384.578747] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.581298] lowmem_reserve[]: 0 2818 6321 6321 [ 384.608973] warn_alloc.cold.116+0xb7/0x1bd [ 384.612565] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 384.638660] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.643821] lowmem_reserve[]: 0 0 3503 3503 [ 384.648396] ? lock_downgrade+0x900/0x900 [ 384.652695] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 384.680734] ? trace_hardirqs_off+0xb8/0x310 [ 384.685543] lowmem_reserve[]: 0 0 0 0 [ 384.689857] ? trace_hardirqs_off+0xb8/0x310 [ 384.693974] 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 [ 384.722939] __alloc_pages_slowpath+0x26e8/0x2e10 [ 384.727322] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 384.731164] ? warn_alloc+0x120/0x120 [ 384.735540] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 384.749073] ? warn_alloc+0x120/0x120 [ 384.753893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 384.770133] ? warn_alloc+0x120/0x120 [ 384.773910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 384.788811] ? print_usage_bug+0xc0/0xc0 [ 384.792581] 1671 total pagecache pages [ 384.801405] ? check_preemption_disabled+0x48/0x280 [ 384.805180] 0 pages in swap cache [ 384.813737] ? print_usage_bug+0xc0/0xc0 [ 384.817773] Swap cache stats: add 0, delete 0, find 0/0 [ 384.821660] ? kasan_check_read+0x11/0x20 [ 384.826645] Free swap = 0kB [ 384.830085] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.834116] Total swap = 0kB [ 384.839471] ? rcu_softirq_qs+0x20/0x20 [ 384.843605] 1965979 pages RAM [ 384.846611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.852381] 0 pages HighMem/MovableOnly [ 384.852388] 342853 pages reserved [ 384.855399] ? should_fail+0x22d/0xd01 [ 384.859336] 0 pages cma reserved [ 384.859406] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.862534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.868126] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.872731] ? __lock_acquire+0x62f/0x4c20 [ 384.876158] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 384.880041] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.919178] ? __lock_acquire+0x62f/0x4c20 [ 384.923421] ? should_fail+0x22d/0xd01 [ 384.927312] ? mark_held_locks+0x130/0x130 [ 384.931543] ? mark_held_locks+0x130/0x130 [ 384.935772] ? __enqueue_entity+0x10d/0x1f0 [ 384.940090] ? zap_class+0x640/0x640 [ 384.943814] ? print_usage_bug+0xc0/0xc0 [ 384.947871] ? enqueue_entity+0x34b/0x20a0 [ 384.952106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.957641] ? check_preemption_disabled+0x48/0x280 [ 384.962671] ? __lock_is_held+0xb5/0x140 [ 384.966734] __alloc_pages_nodemask+0xa80/0xde0 [ 384.972114] ? zap_class+0x640/0x640 [ 384.975833] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 384.980853] ? find_held_lock+0x36/0x1c0 [ 384.984919] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.989588] ? lock_downgrade+0x900/0x900 [ 384.993739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.999282] cache_grow_begin+0xa5/0x8c0 [ 385.003338] ? do_raw_spin_unlock+0xa7/0x330 [ 385.007751] fallback_alloc+0x204/0x2e0 [ 385.011729] ____cache_alloc_node+0x1c7/0x1e0 [ 385.016769] kmem_cache_alloc_node+0xe3/0x730 [ 385.021265] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.025509] __alloc_skb+0x119/0x770 [ 385.029217] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.034495] ? netdev_alloc_frag+0x1f0/0x1f0 [ 385.038917] ? lock_downgrade+0x900/0x900 [ 385.043072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.048603] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.054055] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.059500] ? addrconf_rs_timer+0x690/0x690 [ 385.063915] ndisc_alloc_skb+0x144/0x340 [ 385.067978] ndisc_send_rs+0x331/0x6e0 [ 385.072624] addrconf_rs_timer+0x314/0x690 [ 385.076860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.081101] call_timer_fn+0x272/0x920 [ 385.084982] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.089205] ? process_timeout+0x40/0x40 [ 385.093279] ? __run_timers+0x7da/0xc70 [ 385.097273] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.101760] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.106256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.110499] ? lockdep_hardirqs_on+0x296/0x5b0 [ 385.115077] ? trace_hardirqs_on+0xbd/0x310 [ 385.119392] ? kasan_check_read+0x11/0x20 [ 385.123532] ? __run_timers+0x7da/0xc70 [ 385.127502] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.132611] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.136839] __run_timers+0x7e5/0xc70 [ 385.140644] ? timer_fixup_init+0x70/0x70 [ 385.144797] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.149287] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.153791] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 385.158373] ? trace_hardirqs_on+0xbd/0x310 [ 385.162687] ? kasan_check_read+0x11/0x20 [ 385.166837] ? finish_task_switch+0x1f4/0x910 [ 385.171834] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.177046] ? compat_start_thread+0x80/0x80 [ 385.181469] ? pvclock_read_flags+0x160/0x160 [ 385.185957] ? __switch_to_asm+0x34/0x70 [ 385.190024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.195566] ? check_preemption_disabled+0x48/0x280 [ 385.200585] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 385.206119] ? rcu_pm_notify+0xc0/0xc0 [ 385.210007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.215540] ? check_preemption_disabled+0x48/0x280 [ 385.220557] run_timer_softirq+0x52/0xb0 [ 385.224612] ? rcu_read_lock_sched_held+0x14f/0x180 [ 385.229622] __do_softirq+0x308/0xb7e [ 385.233421] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.238866] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 385.243963] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.249418] ? schedule+0x108/0x460 [ 385.253039] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 385.257797] ? trace_hardirqs_off+0xb8/0x310 [ 385.262203] ? smpboot_thread_fn+0x68b/0xa00 [ 385.266610] ? trace_hardirqs_on+0x310/0x310 [ 385.271564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.277095] ? check_preemption_disabled+0x48/0x280 [ 385.282108] ? takeover_tasklets+0xa90/0xa90 [ 385.286512] run_ksoftirqd+0x5e/0x100 [ 385.290394] smpboot_thread_fn+0x68b/0xa00 [ 385.294627] ? sort_range+0x30/0x30 [ 385.298247] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.303346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.308881] ? __kthread_parkme+0xfb/0x1a0 [ 385.313116] ? sort_range+0x30/0x30 [ 385.316742] kthread+0x35a/0x440 [ 385.320124] ? kthread_stop+0x900/0x900 [ 385.324095] ret_from_fork+0x3a/0x50 [ 385.327819] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 385.327882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.334570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.334577] Call Trace: [ 385.341281] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.350398] dump_stack+0x244/0x39d [ 385.352960] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 385.363347] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.377130] warn_alloc.cold.116+0xb7/0x1bd [ 385.381460] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.386297] ? lock_downgrade+0x900/0x900 [ 385.390463] ? trace_hardirqs_off+0xb8/0x310 [ 385.394874] ? trace_hardirqs_off+0xb8/0x310 [ 385.399283] __alloc_pages_slowpath+0x26e8/0x2e10 [ 385.404145] ? warn_alloc+0x120/0x120 [ 385.408051] ? print_usage_bug+0xc0/0xc0 [ 385.412109] ? warn_alloc+0x120/0x120 [ 385.415907] ? warn_alloc+0x120/0x120 [ 385.419715] ? print_usage_bug+0xc0/0xc0 [ 385.423777] ? print_usage_bug+0xc0/0xc0 [ 385.427835] ? __lock_acquire+0x62f/0x4c20 [ 385.432105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.437639] ? should_fail+0x22d/0xd01 [ 385.441525] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.446624] ? __lock_acquire+0x62f/0x4c20 [ 385.450859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.455955] ? __lock_acquire+0x62f/0x4c20 [ 385.460188] ? should_fail+0x22d/0xd01 [ 385.464088] ? find_held_lock+0x36/0x1c0 [ 385.468150] ? mark_held_locks+0x130/0x130 [ 385.472706] ? mark_held_locks+0x130/0x130 [ 385.476933] ? zap_class+0x640/0x640 [ 385.480645] ? mark_held_locks+0xc7/0x130 [ 385.484787] ? do_raw_spin_unlock+0xa7/0x330 [ 385.489190] ? zap_class+0x640/0x640 [ 385.492901] ? print_usage_bug+0xc0/0xc0 [ 385.496964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.502505] ? check_preemption_disabled+0x48/0x280 [ 385.507612] ? __lock_is_held+0xb5/0x140 [ 385.511671] __alloc_pages_nodemask+0xa80/0xde0 [ 385.516335] ? zap_class+0x640/0x640 [ 385.520052] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 385.525074] ? find_held_lock+0x36/0x1c0 [ 385.529142] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.533821] ? lock_downgrade+0x900/0x900 [ 385.537979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.543515] cache_grow_begin+0xa5/0x8c0 [ 385.547571] ? do_raw_spin_unlock+0xa7/0x330 [ 385.551989] fallback_alloc+0x204/0x2e0 [ 385.555984] ____cache_alloc_node+0x1c7/0x1e0 [ 385.560481] kmem_cache_alloc_node+0xe3/0x730 [ 385.564977] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.569502] __alloc_skb+0x119/0x770 [ 385.573209] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.578496] ? netdev_alloc_frag+0x1f0/0x1f0 [ 385.583102] ? lock_downgrade+0x900/0x900 [ 385.587253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.592783] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.598248] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.603691] ? addrconf_rs_timer+0x690/0x690 [ 385.608103] ndisc_alloc_skb+0x144/0x340 [ 385.612162] ndisc_send_rs+0x331/0x6e0 [ 385.616054] addrconf_rs_timer+0x314/0x690 [ 385.620285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.624523] call_timer_fn+0x272/0x920 [ 385.628404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.632646] ? process_timeout+0x40/0x40 [ 385.636709] ? __run_timers+0x7da/0xc70 [ 385.640677] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.645167] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.649653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.653888] ? lockdep_hardirqs_on+0x296/0x5b0 [ 385.658479] ? trace_hardirqs_on+0xbd/0x310 [ 385.662792] ? kasan_check_read+0x11/0x20 [ 385.666932] ? __run_timers+0x7da/0xc70 [ 385.671249] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.676349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.680584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.684814] __run_timers+0x7e5/0xc70 [ 385.688619] ? timer_fixup_init+0x70/0x70 [ 385.692761] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.697252] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.701741] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 385.706324] ? trace_hardirqs_on+0xbd/0x310 [ 385.710639] ? kasan_check_read+0x11/0x20 [ 385.714782] ? finish_task_switch+0x1f4/0x910 [ 385.719276] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.724374] ? compat_start_thread+0x80/0x80 [ 385.728796] ? pvclock_read_flags+0x160/0x160 [ 385.733286] ? __switch_to_asm+0x34/0x70 [ 385.737341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.742874] ? check_preemption_disabled+0x48/0x280 [ 385.747893] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 385.753422] ? rcu_pm_notify+0xc0/0xc0 [ 385.757306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.762842] ? check_preemption_disabled+0x48/0x280 [ 385.767858] run_timer_softirq+0x52/0xb0 [ 385.772245] ? rcu_read_lock_sched_held+0x14f/0x180 [ 385.777277] __do_softirq+0x308/0xb7e [ 385.781082] ? trace_hardirqs_on_caller+0xc0/0x310 [ 385.786014] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 385.791112] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.796562] ? schedule+0x108/0x460 [ 385.800191] ? trace_hardirqs_off+0xb8/0x310 [ 385.804600] ? smpboot_thread_fn+0x68b/0xa00 [ 385.809226] ? trace_hardirqs_on+0x310/0x310 [ 385.813630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.819175] ? check_preemption_disabled+0x48/0x280 [ 385.824200] ? takeover_tasklets+0xa90/0xa90 [ 385.828606] run_ksoftirqd+0x5e/0x100 [ 385.832406] smpboot_thread_fn+0x68b/0xa00 [ 385.836637] ? sort_range+0x30/0x30 [ 385.840262] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.845360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.850905] ? __kthread_parkme+0xfb/0x1a0 [ 385.855137] ? sort_range+0x30/0x30 [ 385.858756] kthread+0x35a/0x440 [ 385.862128] ? kthread_stop+0x900/0x900 [ 385.866097] ret_from_fork+0x3a/0x50 [ 385.870172] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 385.870176] warn_alloc_show_mem: 1 callbacks suppressed [ 385.870182] Mem-Info: [ 385.877010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.882371] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 385.882371] active_file:10 inactive_file:14 isolated_file:0 [ 385.882371] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.882371] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 385.882371] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 385.882371] free:13688 free_pcp:208 free_cma:0 [ 385.884740] Call Trace: [ 385.894109] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 385.927128] dump_stack+0x244/0x39d [ 385.929684] 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 [ 385.957350] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.960954] lowmem_reserve[]: 0 2818 6321 6321 [ 385.987741] warn_alloc.cold.116+0xb7/0x1bd [ 385.992903] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 385.997487] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.001778] lowmem_reserve[]: 0 0 3503 3503 [ 386.029094] ? lock_downgrade+0x900/0x900 [ 386.033908] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 386.038234] ? trace_hardirqs_off+0xb8/0x310 [ 386.042349] lowmem_reserve[]: 0 0 0 0 [ 386.071848] ? trace_hardirqs_off+0xb8/0x310 [ 386.076226] 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 [ 386.080044] __alloc_pages_slowpath+0x26e8/0x2e10 [ 386.084432] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 386.097978] ? warn_alloc+0x120/0x120 [ 386.102770] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 386.118454] ? print_usage_bug+0xc0/0xc0 [ 386.122230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 386.137120] ? warn_alloc+0x120/0x120 [ 386.141157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 386.149977] ? warn_alloc+0x120/0x120 [ 386.153746] 1671 total pagecache pages [ 386.162335] ? print_usage_bug+0xc0/0xc0 [ 386.166115] 0 pages in swap cache [ 386.170704] ? print_usage_bug+0xc0/0xc0 [ 386.174738] Swap cache stats: add 0, delete 0, find 0/0 [ 386.178186] ? print_usage_bug+0xc0/0xc0 [ 386.178202] ? __lock_acquire+0x62f/0x4c20 [ 386.182237] Free swap = 0kB [ 386.188197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.192222] Total swap = 0kB [ 386.192229] 1965979 pages RAM [ 386.196458] ? should_fail+0x22d/0xd01 [ 386.199447] 0 pages HighMem/MovableOnly [ 386.204970] ? __lock_acquire+0x62f/0x4c20 [ 386.207964] 342853 pages reserved [ 386.211057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.214920] 0 pages cma reserved [ 386.218882] ? __lock_acquire+0x62f/0x4c20 [ 386.223151] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.226534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.226545] ? __lock_acquire+0x62f/0x4c20 [ 386.226560] ? should_fail+0x22d/0xd01 [ 386.231679] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.234995] ? mark_held_locks+0x130/0x130 [ 386.239194] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 386.245682] ? mark_held_locks+0x130/0x130 [ 386.283093] ? lock_downgrade+0x900/0x900 [ 386.287252] ? zap_class+0x640/0x640 [ 386.290959] ? print_usage_bug+0xc0/0xc0 [ 386.295031] ? trace_hardirqs_off+0xb8/0x310 [ 386.299447] ? kasan_check_read+0x11/0x20 [ 386.303603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.309135] ? check_preemption_disabled+0x48/0x280 [ 386.314154] ? __lock_is_held+0xb5/0x140 [ 386.318215] __alloc_pages_nodemask+0xa80/0xde0 [ 386.322879] ? zap_class+0x640/0x640 [ 386.326604] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 386.331626] ? find_held_lock+0x36/0x1c0 [ 386.335697] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.340651] ? lock_downgrade+0x900/0x900 [ 386.344814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.350350] cache_grow_begin+0xa5/0x8c0 [ 386.354417] ? do_raw_spin_unlock+0xa7/0x330 [ 386.358847] fallback_alloc+0x204/0x2e0 [ 386.362826] ____cache_alloc_node+0x1c7/0x1e0 [ 386.367324] kmem_cache_alloc_node+0xe3/0x730 [ 386.372341] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.376596] __alloc_skb+0x119/0x770 [ 386.380304] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.385580] ? netdev_alloc_frag+0x1f0/0x1f0 [ 386.389989] ? lock_downgrade+0x900/0x900 [ 386.394144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.399679] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.405132] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.410578] ? addrconf_rs_timer+0x690/0x690 [ 386.414995] ndisc_alloc_skb+0x144/0x340 [ 386.419057] ndisc_send_rs+0x331/0x6e0 [ 386.422942] addrconf_rs_timer+0x314/0x690 [ 386.427178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.431431] call_timer_fn+0x272/0x920 [ 386.435310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.439537] ? process_timeout+0x40/0x40 [ 386.443600] ? __run_timers+0x7da/0xc70 [ 386.447585] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.452071] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.456560] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.460789] ? lockdep_hardirqs_on+0x296/0x5b0 [ 386.465369] ? trace_hardirqs_on+0xbd/0x310 [ 386.470245] ? kasan_check_read+0x11/0x20 [ 386.474401] ? __run_timers+0x7da/0xc70 [ 386.478374] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.483477] ? can_init_stats.isra.0+0x100/0x100 [ 386.488233] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.492463] __run_timers+0x7e5/0xc70 [ 386.496270] ? timer_fixup_init+0x70/0x70 [ 386.500412] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.504920] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.509414] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 386.513991] ? trace_hardirqs_on+0xbd/0x310 [ 386.518322] ? kasan_check_read+0x11/0x20 [ 386.522494] ? finish_task_switch+0x1f4/0x910 [ 386.526988] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.532086] ? compat_start_thread+0x80/0x80 [ 386.536507] ? pvclock_read_flags+0x160/0x160 [ 386.541005] ? __switch_to_asm+0x34/0x70 [ 386.545063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.550595] ? check_preemption_disabled+0x48/0x280 [ 386.555627] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 386.561164] ? rcu_pm_notify+0xc0/0xc0 [ 386.565050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.571108] ? check_preemption_disabled+0x48/0x280 [ 386.576128] run_timer_softirq+0x52/0xb0 [ 386.580183] ? rcu_read_lock_sched_held+0x14f/0x180 [ 386.585193] __do_softirq+0x308/0xb7e [ 386.588995] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.594531] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.599629] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.605087] ? schedule+0x108/0x460 [ 386.608709] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 386.613468] ? trace_hardirqs_off+0xb8/0x310 [ 386.617883] ? smpboot_thread_fn+0x68b/0xa00 [ 386.622288] ? trace_hardirqs_on+0x310/0x310 [ 386.626808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.632343] ? check_preemption_disabled+0x48/0x280 [ 386.637356] ? takeover_tasklets+0xa90/0xa90 [ 386.641774] run_ksoftirqd+0x5e/0x100 [ 386.645574] smpboot_thread_fn+0x68b/0xa00 [ 386.649808] ? sort_range+0x30/0x30 [ 386.653429] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.658541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.664075] ? __kthread_parkme+0xfb/0x1a0 [ 386.668923] ? sort_range+0x30/0x30 [ 386.672542] kthread+0x35a/0x440 [ 386.675908] ? kthread_stop+0x900/0x900 [ 386.679997] ret_from_fork+0x3a/0x50 [ 386.683723] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 386.683786] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.690471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.690476] Call Trace: [ 386.690493] dump_stack+0x244/0x39d [ 386.690511] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.697051] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.706328] warn_alloc.cold.116+0xb7/0x1bd [ 386.708891] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 386.712507] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.741756] ? lock_downgrade+0x900/0x900 [ 386.745906] ? trace_hardirqs_off+0xb8/0x310 [ 386.750319] ? trace_hardirqs_off+0xb8/0x310 [ 386.754730] __alloc_pages_slowpath+0x26e8/0x2e10 [ 386.759594] ? warn_alloc+0x120/0x120 [ 386.763394] ? print_usage_bug+0xc0/0xc0 [ 386.767453] ? warn_alloc+0x120/0x120 [ 386.771557] ? warn_alloc+0x120/0x120 [ 386.775359] ? print_usage_bug+0xc0/0xc0 [ 386.779420] ? print_usage_bug+0xc0/0xc0 [ 386.783477] ? __lock_acquire+0x62f/0x4c20 [ 386.787716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.793262] ? should_fail+0x22d/0xd01 [ 386.797151] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.802262] ? __lock_acquire+0x62f/0x4c20 [ 386.806498] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.811593] ? __lock_acquire+0x62f/0x4c20 [ 386.815823] ? should_fail+0x22d/0xd01 [ 386.819732] ? find_held_lock+0x36/0x1c0 [ 386.823799] ? mark_held_locks+0x130/0x130 [ 386.828033] ? mark_held_locks+0x130/0x130 [ 386.832260] ? zap_class+0x640/0x640 [ 386.835968] ? zap_class+0x640/0x640 [ 386.839678] ? print_usage_bug+0xc0/0xc0 [ 386.843733] ? do_raw_spin_unlock+0xa7/0x330 [ 386.848426] ? zap_class+0x640/0x640 [ 386.852657] ? print_usage_bug+0xc0/0xc0 [ 386.856715] ? wq_watchdog_touch+0x9c/0xfe [ 386.860951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.866498] ? check_preemption_disabled+0x48/0x280 [ 386.871827] ? __lock_is_held+0xb5/0x140 [ 386.875895] __alloc_pages_nodemask+0xa80/0xde0 [ 386.880560] ? zap_class+0x640/0x640 [ 386.884270] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 386.889288] ? find_held_lock+0x36/0x1c0 [ 386.893355] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.898019] ? lock_downgrade+0x900/0x900 [ 386.902167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.907702] cache_grow_begin+0xa5/0x8c0 [ 386.911761] ? do_raw_spin_unlock+0xa7/0x330 [ 386.916169] fallback_alloc+0x204/0x2e0 [ 386.920146] ____cache_alloc_node+0x1c7/0x1e0 [ 386.924641] kmem_cache_alloc_node+0xe3/0x730 [ 386.929133] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.933376] __alloc_skb+0x119/0x770 [ 386.937085] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.942364] ? netdev_alloc_frag+0x1f0/0x1f0 [ 386.946768] ? lock_downgrade+0x900/0x900 [ 386.950917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.956447] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.961982] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.967448] ? addrconf_rs_timer+0x690/0x690 [ 386.972158] ndisc_alloc_skb+0x144/0x340 [ 386.976219] ndisc_send_rs+0x331/0x6e0 [ 386.980111] addrconf_rs_timer+0x314/0x690 [ 386.984348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.988590] call_timer_fn+0x272/0x920 [ 386.992473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.996705] ? process_timeout+0x40/0x40 [ 387.000766] ? __run_timers+0x7da/0xc70 [ 387.004997] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.009488] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.013975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.018502] ? lockdep_hardirqs_on+0x296/0x5b0 [ 387.023084] ? trace_hardirqs_on+0xbd/0x310 [ 387.027411] ? kasan_check_read+0x11/0x20 [ 387.031556] ? __run_timers+0x7da/0xc70 [ 387.035529] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.040631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.044872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.049113] __run_timers+0x7e5/0xc70 [ 387.052925] ? timer_fixup_init+0x70/0x70 [ 387.057067] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.061563] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.066068] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 387.071023] ? trace_hardirqs_on+0xbd/0x310 [ 387.075339] ? kasan_check_read+0x11/0x20 [ 387.079484] ? finish_task_switch+0x1f4/0x910 [ 387.083973] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.089100] ? compat_start_thread+0x80/0x80 [ 387.093521] ? pvclock_read_flags+0x160/0x160 [ 387.098010] ? __switch_to_asm+0x34/0x70 [ 387.102089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.107632] ? check_preemption_disabled+0x48/0x280 [ 387.112655] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 387.118189] ? rcu_pm_notify+0xc0/0xc0 [ 387.122074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.127610] ? check_preemption_disabled+0x48/0x280 [ 387.132631] run_timer_softirq+0x52/0xb0 [ 387.136686] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.141697] __do_softirq+0x308/0xb7e [ 387.145496] ? trace_hardirqs_on_caller+0xc0/0x310 [ 387.150423] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.155519] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.160982] ? schedule+0x108/0x460 [ 387.164613] ? trace_hardirqs_off+0xb8/0x310 [ 387.169341] ? smpboot_thread_fn+0x68b/0xa00 [ 387.173746] ? trace_hardirqs_on+0x310/0x310 [ 387.178158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.183690] ? check_preemption_disabled+0x48/0x280 [ 387.188701] ? takeover_tasklets+0xa90/0xa90 [ 387.193113] run_ksoftirqd+0x5e/0x100 [ 387.196946] smpboot_thread_fn+0x68b/0xa00 [ 387.201196] ? sort_range+0x30/0x30 [ 387.204817] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 387.209922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.215458] ? __kthread_parkme+0xfb/0x1a0 [ 387.219703] ? sort_range+0x30/0x30 [ 387.223322] kthread+0x35a/0x440 [ 387.226694] ? kthread_stop+0x900/0x900 [ 387.230668] ret_from_fork+0x3a/0x50 [ 387.234391] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 387.234395] warn_alloc_show_mem: 1 callbacks suppressed [ 387.234401] Mem-Info: [ 387.241231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.246591] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 387.246591] active_file:10 inactive_file:14 isolated_file:0 [ 387.246591] unevictable:0 dirty:0 writeback:0 unstable:0 [ 387.246591] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 387.246591] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 387.246591] free:13688 free_pcp:208 free_cma:0 [ 387.248967] Call Trace: [ 387.258341] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 387.291871] dump_stack+0x244/0x39d [ 387.294428] 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 [ 387.322275] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.325880] lowmem_reserve[]: 0 2818 6321 6321 [ 387.351988] warn_alloc.cold.116+0xb7/0x1bd [ 387.357151] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 387.361724] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.366016] lowmem_reserve[]: 0 0 3503 3503 [ 387.394033] ? lock_downgrade+0x900/0x900 [ 387.398848] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 387.403161] ? trace_hardirqs_off+0xb8/0x310 [ 387.407273] lowmem_reserve[]: 0 0 0 0 [ 387.436273] ? trace_hardirqs_off+0xb8/0x310 [ 387.440649] 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 [ 387.444454] __alloc_pages_slowpath+0x26e8/0x2e10 [ 387.448829] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 387.462360] ? warn_alloc+0x120/0x120 [ 387.467155] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 387.483521] ? print_usage_bug+0xc0/0xc0 [ 387.487301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 387.502193] ? warn_alloc+0x120/0x120 [ 387.506232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 387.515091] ? warn_alloc+0x120/0x120 [ 387.518881] 1671 total pagecache pages [ 387.527632] ? print_usage_bug+0xc0/0xc0 [ 387.531409] 0 pages in swap cache [ 387.535281] ? print_usage_bug+0xc0/0xc0 [ 387.539317] Swap cache stats: add 0, delete 0, find 0/0 [ 387.542756] ? __lock_acquire+0x62f/0x4c20 [ 387.546790] Free swap = 0kB [ 387.552164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.556368] Total swap = 0kB [ 387.559377] ? should_fail+0x22d/0xd01 [ 387.564885] 1965979 pages RAM [ 387.567893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.572080] 0 pages HighMem/MovableOnly [ 387.572087] 342853 pages reserved [ 387.575198] ? __lock_acquire+0x62f/0x4c20 [ 387.580271] 0 pages cma reserved [ 387.584233] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.587714] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.592132] ? __lock_acquire+0x62f/0x4c20 [ 387.592146] ? should_fail+0x22d/0xd01 [ 387.595554] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.600582] ? find_held_lock+0x36/0x1c0 [ 387.607053] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 387.611276] ? mark_held_locks+0x130/0x130 [ 387.638346] ? mark_held_locks+0x130/0x130 [ 387.642574] ? zap_class+0x640/0x640 [ 387.646285] ? mark_held_locks+0xc7/0x130 [ 387.650424] ? do_raw_spin_unlock+0xa7/0x330 [ 387.654832] ? zap_class+0x640/0x640 [ 387.658540] ? print_usage_bug+0xc0/0xc0 [ 387.662606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.668143] ? check_preemption_disabled+0x48/0x280 [ 387.673709] ? __lock_is_held+0xb5/0x140 [ 387.677773] __alloc_pages_nodemask+0xa80/0xde0 [ 387.682443] ? zap_class+0x640/0x640 [ 387.686245] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 387.691270] ? find_held_lock+0x36/0x1c0 [ 387.695336] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.699997] ? lock_downgrade+0x900/0x900 [ 387.704159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.709695] cache_grow_begin+0xa5/0x8c0 [ 387.713748] ? do_raw_spin_unlock+0xa7/0x330 [ 387.718159] fallback_alloc+0x204/0x2e0 [ 387.722134] ____cache_alloc_node+0x1c7/0x1e0 [ 387.726631] kmem_cache_alloc_node+0xe3/0x730 [ 387.731124] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.735362] __alloc_skb+0x119/0x770 [ 387.739073] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.744349] ? netdev_alloc_frag+0x1f0/0x1f0 [ 387.748762] ? lock_downgrade+0x900/0x900 [ 387.752916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.758450] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.763900] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.770050] ? addrconf_rs_timer+0x690/0x690 [ 387.774465] ndisc_alloc_skb+0x144/0x340 [ 387.778522] ndisc_send_rs+0x331/0x6e0 [ 387.782431] addrconf_rs_timer+0x314/0x690 [ 387.786756] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.791002] call_timer_fn+0x272/0x920 [ 387.794887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.799115] ? process_timeout+0x40/0x40 [ 387.803180] ? __run_timers+0x7da/0xc70 [ 387.807165] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.811653] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.816143] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.820375] ? lockdep_hardirqs_on+0x296/0x5b0 [ 387.824961] ? trace_hardirqs_on+0xbd/0x310 [ 387.829276] ? kasan_check_read+0x11/0x20 [ 387.833416] ? __run_timers+0x7da/0xc70 [ 387.837390] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.842497] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.846726] __run_timers+0x7e5/0xc70 [ 387.850534] ? timer_fixup_init+0x70/0x70 [ 387.854675] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.859179] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.863675] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 387.868808] ? trace_hardirqs_on+0xbd/0x310 [ 387.873124] ? kasan_check_read+0x11/0x20 [ 387.877287] ? finish_task_switch+0x1f4/0x910 [ 387.881787] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.886888] ? compat_start_thread+0x80/0x80 [ 387.891310] ? pvclock_read_flags+0x160/0x160 [ 387.895795] ? __switch_to_asm+0x34/0x70 [ 387.899853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.905386] ? check_preemption_disabled+0x48/0x280 [ 387.910404] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 387.915938] ? rcu_pm_notify+0xc0/0xc0 [ 387.919843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.925377] ? check_preemption_disabled+0x48/0x280 [ 387.930398] run_timer_softirq+0x52/0xb0 [ 387.934454] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.939464] __do_softirq+0x308/0xb7e [ 387.943266] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.948711] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.953913] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.959366] ? schedule+0x108/0x460 [ 387.962985] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 387.967742] ? trace_hardirqs_off+0xb8/0x310 [ 387.972719] ? smpboot_thread_fn+0x68b/0xa00 [ 387.977138] ? trace_hardirqs_on+0x310/0x310 [ 387.981549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.987110] ? check_preemption_disabled+0x48/0x280 [ 387.992133] ? takeover_tasklets+0xa90/0xa90 [ 387.996541] run_ksoftirqd+0x5e/0x100 [ 388.000340] smpboot_thread_fn+0x68b/0xa00 [ 388.004673] ? sort_range+0x30/0x30 [ 388.008307] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.013402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.018935] ? __kthread_parkme+0xfb/0x1a0 [ 388.023168] ? sort_range+0x30/0x30 [ 388.026795] kthread+0x35a/0x440 [ 388.030161] ? kthread_stop+0x900/0x900 [ 388.034131] ret_from_fork+0x3a/0x50 [ 388.037870] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 388.037935] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.044617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.044624] Call Trace: [ 388.051211] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.060442] dump_stack+0x244/0x39d [ 388.063005] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 388.073609] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.087047] warn_alloc.cold.116+0xb7/0x1bd [ 388.091377] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.096214] ? lock_downgrade+0x900/0x900 [ 388.100365] ? trace_hardirqs_off+0xb8/0x310 [ 388.104783] ? trace_hardirqs_off+0xb8/0x310 [ 388.109197] __alloc_pages_slowpath+0x26e8/0x2e10 [ 388.114058] ? warn_alloc+0x120/0x120 [ 388.117859] ? print_usage_bug+0xc0/0xc0 [ 388.121916] ? warn_alloc+0x120/0x120 [ 388.125716] ? warn_alloc+0x120/0x120 [ 388.129519] ? print_usage_bug+0xc0/0xc0 [ 388.133575] ? print_usage_bug+0xc0/0xc0 [ 388.137627] ? __lock_acquire+0x62f/0x4c20 [ 388.141860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.147404] ? should_fail+0x22d/0xd01 [ 388.151289] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.156385] ? __lock_acquire+0x62f/0x4c20 [ 388.160616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.165710] ? __lock_acquire+0x62f/0x4c20 [ 388.170289] ? should_fail+0x22d/0xd01 [ 388.174173] ? find_held_lock+0x36/0x1c0 [ 388.178249] ? mark_held_locks+0x130/0x130 [ 388.182479] ? mark_held_locks+0x130/0x130 [ 388.186706] ? zap_class+0x640/0x640 [ 388.190415] ? mark_held_locks+0xc7/0x130 [ 388.194557] ? do_raw_spin_unlock+0xa7/0x330 [ 388.198959] ? zap_class+0x640/0x640 [ 388.202668] ? print_usage_bug+0xc0/0xc0 [ 388.206730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.212269] ? check_preemption_disabled+0x48/0x280 [ 388.217287] ? __lock_is_held+0xb5/0x140 [ 388.221348] __alloc_pages_nodemask+0xa80/0xde0 [ 388.226014] ? zap_class+0x640/0x640 [ 388.229730] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 388.234762] ? find_held_lock+0x36/0x1c0 [ 388.238833] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.243496] ? lock_downgrade+0x900/0x900 [ 388.247644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.253178] cache_grow_begin+0xa5/0x8c0 [ 388.257229] ? do_raw_spin_unlock+0xa7/0x330 [ 388.261647] fallback_alloc+0x204/0x2e0 [ 388.265618] ____cache_alloc_node+0x1c7/0x1e0 [ 388.270421] kmem_cache_alloc_node+0xe3/0x730 [ 388.274914] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.279154] __alloc_skb+0x119/0x770 [ 388.282860] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.288138] ? netdev_alloc_frag+0x1f0/0x1f0 [ 388.292544] ? lock_downgrade+0x900/0x900 [ 388.296700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.302238] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.307687] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.313136] ? addrconf_rs_timer+0x690/0x690 [ 388.317547] ndisc_alloc_skb+0x144/0x340 [ 388.321605] ndisc_send_rs+0x331/0x6e0 [ 388.325494] addrconf_rs_timer+0x314/0x690 [ 388.329736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.333979] call_timer_fn+0x272/0x920 [ 388.337867] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.342119] ? process_timeout+0x40/0x40 [ 388.346180] ? __run_timers+0x7da/0xc70 [ 388.350151] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.354640] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.359136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.363365] ? lockdep_hardirqs_on+0x296/0x5b0 [ 388.367944] ? trace_hardirqs_on+0xbd/0x310 [ 388.372556] ? kasan_check_read+0x11/0x20 [ 388.376699] ? __run_timers+0x7da/0xc70 [ 388.380677] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.385782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.390019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.394251] __run_timers+0x7e5/0xc70 [ 388.398058] ? timer_fixup_init+0x70/0x70 [ 388.402201] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.406690] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.411188] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 388.415769] ? trace_hardirqs_on+0xbd/0x310 [ 388.420086] ? kasan_check_read+0x11/0x20 [ 388.424229] ? finish_task_switch+0x1f4/0x910 [ 388.428809] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.433905] ? compat_start_thread+0x80/0x80 [ 388.438325] ? pvclock_read_flags+0x160/0x160 [ 388.442814] ? __switch_to_asm+0x34/0x70 [ 388.446870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.452400] ? check_preemption_disabled+0x48/0x280 [ 388.457419] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 388.462968] ? rcu_pm_notify+0xc0/0xc0 [ 388.466862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.472702] ? check_preemption_disabled+0x48/0x280 [ 388.477729] run_timer_softirq+0x52/0xb0 [ 388.481788] ? rcu_read_lock_sched_held+0x14f/0x180 [ 388.486811] __do_softirq+0x308/0xb7e [ 388.490612] ? trace_hardirqs_on_caller+0xc0/0x310 [ 388.495542] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 388.500637] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.506105] ? schedule+0x108/0x460 [ 388.509741] ? trace_hardirqs_off+0xb8/0x310 [ 388.514143] ? smpboot_thread_fn+0x68b/0xa00 [ 388.518546] ? trace_hardirqs_on+0x310/0x310 [ 388.522951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.528486] ? check_preemption_disabled+0x48/0x280 [ 388.533499] ? takeover_tasklets+0xa90/0xa90 [ 388.537912] run_ksoftirqd+0x5e/0x100 [ 388.541733] smpboot_thread_fn+0x68b/0xa00 [ 388.545972] ? sort_range+0x30/0x30 [ 388.549594] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.554692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.560232] ? __kthread_parkme+0xfb/0x1a0 [ 388.564478] ? sort_range+0x30/0x30 [ 388.568099] kthread+0x35a/0x440 [ 388.571845] ? kthread_stop+0x900/0x900 [ 388.575816] ret_from_fork+0x3a/0x50 [ 388.579539] warn_alloc_show_mem: 1 callbacks suppressed [ 388.579548] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 388.579550] Mem-Info: [ 388.579582] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 388.579582] active_file:10 inactive_file:14 isolated_file:0 [ 388.579582] unevictable:0 dirty:0 writeback:0 unstable:0 [ 388.579582] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 388.579582] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 388.579582] free:13688 free_pcp:208 free_cma:0 [ 388.584916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.591751] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 388.594143] Call Trace: [ 388.627172] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 388.636519] dump_stack+0x244/0x39d [ 388.664158] lowmem_reserve[]: 0 2818 6321 6321 [ 388.666737] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.693434] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 388.697077] warn_alloc.cold.116+0xb7/0x1bd [ 388.701625] lowmem_reserve[]: 0 0 3503 3503 [ 388.706806] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.734099] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 388.738409] ? lock_downgrade+0x900/0x900 [ 388.742703] lowmem_reserve[]: 0 0 0 0 [ 388.747533] ? trace_hardirqs_off+0xb8/0x310 [ 388.776756] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 388.780899] ? trace_hardirqs_off+0xb8/0x310 [ 388.784664] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 388.789072] __alloc_pages_slowpath+0x26e8/0x2e10 [ 388.802569] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 388.806997] ? warn_alloc+0x120/0x120 [ 388.822644] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 388.827473] ? warn_alloc+0x120/0x120 [ 388.842359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 388.846141] ? warn_alloc+0x120/0x120 [ 388.855166] 1671 total pagecache pages [ 388.858951] ? find_held_lock+0x36/0x1c0 [ 388.858967] ? print_usage_bug+0xc0/0xc0 [ 388.867532] 0 pages in swap cache [ 388.872034] ? print_usage_bug+0xc0/0xc0 [ 388.875893] Swap cache stats: add 0, delete 0, find 0/0 [ 388.879950] ? update_curr+0x4cf/0xbd0 [ 388.883984] Free swap = 0kB [ 388.887534] ? check_preemption_disabled+0x48/0x280 [ 388.891561] Total swap = 0kB [ 388.896930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.900794] 1965979 pages RAM [ 388.903798] ? should_fail+0x22d/0xd01 [ 388.908782] 0 pages HighMem/MovableOnly [ 388.911781] ? print_usage_bug+0xc0/0xc0 [ 388.917289] 342853 pages reserved [ 388.920385] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.924332] 0 pages cma reserved [ 388.928295] ? __lock_acquire+0x62f/0x4c20 [ 388.932387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.935771] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.935783] ? __lock_acquire+0x62f/0x4c20 [ 388.935797] ? should_fail+0x22d/0xd01 [ 388.941390] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.944242] ? mark_held_locks+0x130/0x130 [ 388.948581] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 388.955065] ? mark_held_locks+0x130/0x130 [ 388.955086] ? zap_class+0x640/0x640 [ 388.996167] ? mark_held_locks+0x130/0x130 [ 389.000396] ? mark_held_locks+0x130/0x130 [ 389.004632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.010173] ? check_preemption_disabled+0x48/0x280 [ 389.015737] ? __lock_is_held+0xb5/0x140 [ 389.019798] __alloc_pages_nodemask+0xa80/0xde0 [ 389.024459] ? zap_class+0x640/0x640 [ 389.028173] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 389.033195] ? find_held_lock+0x36/0x1c0 [ 389.037260] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.041923] ? lock_downgrade+0x900/0x900 [ 389.046072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.051609] cache_grow_begin+0xa5/0x8c0 [ 389.055675] ? do_raw_spin_unlock+0xa7/0x330 [ 389.060088] fallback_alloc+0x204/0x2e0 [ 389.064063] ____cache_alloc_node+0x1c7/0x1e0 [ 389.069321] kmem_cache_alloc_node+0xe3/0x730 [ 389.073815] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.078403] __alloc_skb+0x119/0x770 [ 389.082119] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 389.087489] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.091894] ? lock_acquire+0x1ed/0x520 [ 389.095861] ? aoecmd_cfg+0x108/0x7f0 [ 389.099656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.105195] ? check_preemption_disabled+0x48/0x280 [ 389.110212] ? kasan_check_read+0x11/0x20 [ 389.114355] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.119628] ? rcu_softirq_qs+0x20/0x20 [ 389.123790] new_skb+0x26/0x1c0 [ 389.127078] aoecmd_cfg+0x279/0x7f0 [ 389.130721] ? find_held_lock+0x36/0x1c0 [ 389.134780] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 389.139100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.144630] ? check_preemption_disabled+0x48/0x280 [ 389.149666] ? __lock_is_held+0xb5/0x140 [ 389.153740] discover_timer+0x50/0x60 [ 389.157537] call_timer_fn+0x272/0x920 [ 389.161422] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 389.166262] ? process_timeout+0x40/0x40 [ 389.170878] ? __run_timers+0x7da/0xc70 [ 389.174847] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.179338] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.183828] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 389.188673] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.193251] ? trace_hardirqs_on+0xbd/0x310 [ 389.197565] ? kasan_check_read+0x11/0x20 [ 389.201711] ? __run_timers+0x7da/0xc70 [ 389.205684] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.210792] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 389.215628] __run_timers+0x7e5/0xc70 [ 389.219450] ? timer_fixup_init+0x70/0x70 [ 389.223593] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.228080] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.232676] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.237259] ? trace_hardirqs_on+0xbd/0x310 [ 389.241573] ? kasan_check_read+0x11/0x20 [ 389.245719] ? finish_task_switch+0x1f4/0x910 [ 389.250211] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.255308] ? compat_start_thread+0x80/0x80 [ 389.259729] ? pvclock_read_flags+0x160/0x160 [ 389.264217] ? __switch_to_asm+0x34/0x70 [ 389.268958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.274490] ? check_preemption_disabled+0x48/0x280 [ 389.279513] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 389.285047] ? rcu_pm_notify+0xc0/0xc0 [ 389.288933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.294465] ? check_preemption_disabled+0x48/0x280 [ 389.299479] run_timer_softirq+0x52/0xb0 [ 389.303532] ? rcu_read_lock_sched_held+0x14f/0x180 [ 389.308541] __do_softirq+0x308/0xb7e [ 389.312346] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.317797] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 389.322894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.328348] ? schedule+0x108/0x460 [ 389.331972] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 389.336734] ? trace_hardirqs_off+0xb8/0x310 [ 389.341141] ? smpboot_thread_fn+0x68b/0xa00 [ 389.345544] ? trace_hardirqs_on+0x310/0x310 [ 389.349948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.355481] ? check_preemption_disabled+0x48/0x280 [ 389.360493] ? takeover_tasklets+0xa90/0xa90 [ 389.364898] run_ksoftirqd+0x5e/0x100 [ 389.369386] smpboot_thread_fn+0x68b/0xa00 [ 389.373622] ? sort_range+0x30/0x30 [ 389.377252] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.382354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.387890] ? __kthread_parkme+0xfb/0x1a0 [ 389.392135] ? sort_range+0x30/0x30 [ 389.395756] kthread+0x35a/0x440 [ 389.399120] ? kthread_stop+0x900/0x900 [ 389.403092] ret_from_fork+0x3a/0x50 [ 389.406818] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 389.406877] aoe: skb alloc failure [ 389.413669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.417240] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.426524] Call Trace: [ 389.436811] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 389.439388] dump_stack+0x244/0x39d [ 389.447657] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.452865] warn_alloc.cold.116+0xb7/0x1bd [ 389.457187] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.462028] ? lock_downgrade+0x900/0x900 [ 389.466176] ? trace_hardirqs_off+0xb8/0x310 [ 389.470875] ? trace_hardirqs_off+0xb8/0x310 [ 389.475290] __alloc_pages_slowpath+0x26e8/0x2e10 [ 389.480151] ? warn_alloc+0x120/0x120 [ 389.483953] ? warn_alloc+0x120/0x120 [ 389.487747] ? __bfs+0xb0/0x780 [ 389.491022] ? warn_alloc+0x120/0x120 [ 389.494818] ? print_usage_bug+0xc0/0xc0 [ 389.498872] ? lockdep_on+0x50/0x50 [ 389.502504] ? print_bfs_bug+0x80/0x80 [ 389.506391] ? trace_hardirqs_off+0xb8/0x310 [ 389.510814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.516355] ? should_fail+0x22d/0xd01 [ 389.520244] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.525343] ? __lock_acquire+0x62f/0x4c20 [ 389.529576] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.534672] ? __lock_acquire+0x2aff/0x4c20 [ 389.538990] ? should_fail+0x22d/0xd01 [ 389.542889] ? mark_held_locks+0x130/0x130 [ 389.547128] ? mark_held_locks+0x130/0x130 [ 389.551358] ? zap_class+0x640/0x640 [ 389.555065] ? zap_class+0x640/0x640 [ 389.558776] ? zap_class+0x640/0x640 [ 389.562486] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 389.568702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.574235] ? check_preemption_disabled+0x48/0x280 [ 389.579253] ? __lock_is_held+0xb5/0x140 [ 389.583317] __alloc_pages_nodemask+0xa80/0xde0 [ 389.587980] ? zap_class+0x640/0x640 [ 389.591694] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 389.596716] ? find_held_lock+0x36/0x1c0 [ 389.600793] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.605460] ? lock_downgrade+0x900/0x900 [ 389.609608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.615151] cache_grow_begin+0xa5/0x8c0 [ 389.619203] ? do_raw_spin_unlock+0xa7/0x330 [ 389.623629] fallback_alloc+0x204/0x2e0 [ 389.627629] ____cache_alloc_node+0x1c7/0x1e0 [ 389.632154] kmem_cache_alloc_node+0xe3/0x730 [ 389.636643] ? mark_held_locks+0xc7/0x130 [ 389.640796] __alloc_skb+0x119/0x770 [ 389.644508] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.648910] ? do_raw_spin_trylock+0x270/0x270 [ 389.653491] ? kmem_cache_alloc_trace+0x353/0x750 [ 389.658329] ? queue_work_on+0x12c/0x1e0 [ 389.662391] ? switchdev_port_obj_del+0xdc/0x440 [ 389.667144] ? switchdev_trans_item_enqueue+0x260/0x260 [ 389.672848] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 389.677872] __br_mdb_notify+0x4ff/0x15d0 [ 389.682015] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.687118] ? __br_mdb_add+0x7f0/0x7f0 [ 389.691096] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.696192] ? debug_object_assert_init+0x368/0x4b0 [ 389.701202] ? debug_object_init_on_stack+0x20/0x20 [ 389.706475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.712009] br_mdb_notify+0x310/0x410 [ 389.715892] ? br_mdb_dump+0x27b0/0x27b0 [ 389.719961] br_multicast_del_pg+0x3df/0x790 [ 389.724368] ? br_mdb_ip_get+0x940/0x940 [ 389.728424] ? rwlock_bug.part.2+0x90/0x90 [ 389.732674] ? __lock_is_held+0xb5/0x140 [ 389.736740] br_multicast_port_group_expired+0x189/0x1e0 [ 389.742201] call_timer_fn+0x272/0x920 [ 389.746077] ? br_multicast_del_pg+0x790/0x790 [ 389.750651] ? process_timeout+0x40/0x40 [ 389.754709] ? __run_timers+0x7da/0xc70 [ 389.758678] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.763166] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.767657] ? br_multicast_del_pg+0x790/0x790 [ 389.772578] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.777163] ? trace_hardirqs_on+0xbd/0x310 [ 389.781500] ? kasan_check_read+0x11/0x20 [ 389.785643] ? __run_timers+0x7da/0xc70 [ 389.789627] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.794739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.798976] ? br_multicast_del_pg+0x790/0x790 [ 389.803569] __run_timers+0x7e5/0xc70 [ 389.807378] ? timer_fixup_init+0x70/0x70 [ 389.811522] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.816008] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.820502] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.825083] ? trace_hardirqs_on+0xbd/0x310 [ 389.829498] ? kasan_check_read+0x11/0x20 [ 389.833644] ? finish_task_switch+0x1f4/0x910 [ 389.838149] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.843247] ? compat_start_thread+0x80/0x80 [ 389.847668] ? pvclock_read_flags+0x160/0x160 [ 389.852155] ? __switch_to_asm+0x34/0x70 [ 389.856212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.861743] ? check_preemption_disabled+0x48/0x280 [ 389.866761] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 389.872612] ? rcu_pm_notify+0xc0/0xc0 [ 389.876493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.882022] ? check_preemption_disabled+0x48/0x280 [ 389.887034] run_timer_softirq+0x52/0xb0 [ 389.891108] ? rcu_read_lock_sched_held+0x14f/0x180 [ 389.896209] __do_softirq+0x308/0xb7e [ 389.900007] ? trace_hardirqs_on_caller+0xc0/0x310 [ 389.904930] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 389.910025] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.915477] ? schedule+0x108/0x460 [ 389.919104] ? trace_hardirqs_off+0xb8/0x310 [ 389.923505] ? smpboot_thread_fn+0x68b/0xa00 [ 389.927907] ? trace_hardirqs_on+0x310/0x310 [ 389.932312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.937861] ? check_preemption_disabled+0x48/0x280 [ 389.942878] ? takeover_tasklets+0xa90/0xa90 [ 389.947297] run_ksoftirqd+0x5e/0x100 [ 389.951183] smpboot_thread_fn+0x68b/0xa00 [ 389.955441] ? sort_range+0x30/0x30 [ 389.959061] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.964156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.969974] ? __kthread_parkme+0xfb/0x1a0 [ 389.974207] ? sort_range+0x30/0x30 [ 389.977833] kthread+0x35a/0x440 [ 389.981200] ? kthread_stop+0x900/0x900 [ 389.985172] ret_from_fork+0x3a/0x50 [ 389.988900] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 389.988915] warn_alloc_show_mem: 1 callbacks suppressed [ 389.988918] Mem-Info: [ 389.995741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.001101] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 390.001101] active_file:10 inactive_file:14 isolated_file:0 [ 390.001101] unevictable:0 dirty:0 writeback:0 unstable:0 [ 390.001101] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 390.001101] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 390.001101] free:13688 free_pcp:208 free_cma:0 [ 390.003470] Call Trace: [ 390.012862] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 390.045975] dump_stack+0x244/0x39d [ 390.048528] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 390.076873] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.080470] lowmem_reserve[]: 0 2818 6321 6321 [ 390.106594] warn_alloc.cold.116+0xb7/0x1bd [ 390.111746] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 390.116316] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.120610] lowmem_reserve[]: 0 0 3503 3503 [ 390.147923] ? lock_downgrade+0x900/0x900 [ 390.152733] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 390.157061] ? trace_hardirqs_off+0xb8/0x310 [ 390.161173] lowmem_reserve[]: 0 0 0 0 [ 390.190668] ? trace_hardirqs_off+0xb8/0x310 [ 390.195049] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 390.198845] __alloc_pages_slowpath+0x26e8/0x2e10 [ 390.203223] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 390.216756] ? warn_alloc+0x120/0x120 [ 390.221552] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 390.237242] ? warn_alloc+0x120/0x120 [ 390.241035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 390.255940] ? warn_alloc+0x120/0x120 [ 390.259717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 390.269032] ? find_held_lock+0x36/0x1c0 [ 390.269048] ? print_usage_bug+0xc0/0xc0 [ 390.272826] 1671 total pagecache pages [ 390.281403] ? print_usage_bug+0xc0/0xc0 [ 390.285458] 0 pages in swap cache [ 390.289517] ? mark_held_locks+0x130/0x130 [ 390.293381] Swap cache stats: add 0, delete 0, find 0/0 [ 390.297426] ? mark_held_locks+0x130/0x130 [ 390.300849] Free swap = 0kB [ 390.305071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.310402] Total swap = 0kB [ 390.314622] ? should_fail+0x22d/0xd01 [ 390.317613] 1965979 pages RAM [ 390.323132] ? zap_class+0x640/0x640 [ 390.326121] 0 pages HighMem/MovableOnly [ 390.326128] 342853 pages reserved [ 390.330003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.333077] 0 pages cma reserved [ 390.336778] ? __lock_acquire+0x62f/0x4c20 [ 390.341629] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.344176] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.344193] ? __lock_acquire+0x62f/0x4c20 [ 390.349451] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 390.352802] ? should_fail+0x22d/0xd01 [ 390.352837] ? mark_held_locks+0x130/0x130 [ 390.390286] ? mark_held_locks+0x130/0x130 [ 390.394523] ? lock_downgrade+0x900/0x900 [ 390.398674] ? zap_class+0x640/0x640 [ 390.402385] ? zap_class+0x640/0x640 [ 390.406093] ? do_raw_spin_unlock+0xa7/0x330 [ 390.410496] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.415247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.420794] ? check_preemption_disabled+0x48/0x280 [ 390.425811] ? __lock_is_held+0xb5/0x140 [ 390.429873] __alloc_pages_nodemask+0xa80/0xde0 [ 390.434533] ? zap_class+0x640/0x640 [ 390.438251] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 390.443270] ? find_held_lock+0x36/0x1c0 [ 390.447337] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.452003] ? lock_downgrade+0x900/0x900 [ 390.456152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.461692] cache_grow_begin+0xa5/0x8c0 [ 390.465750] ? do_raw_spin_unlock+0xa7/0x330 [ 390.470685] fallback_alloc+0x204/0x2e0 [ 390.474665] ____cache_alloc_node+0x1c7/0x1e0 [ 390.479159] kmem_cache_alloc_node+0xe3/0x730 [ 390.483649] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.488235] __alloc_skb+0x119/0x770 [ 390.491939] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 390.497310] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.501721] ? vprintk_default+0x28/0x30 [ 390.505778] ? vprintk_func+0x85/0x181 [ 390.509663] ? printk+0xa7/0xcf [ 390.512935] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 390.517693] new_skb+0x26/0x1c0 [ 390.520967] aoecmd_cfg+0x279/0x7f0 [ 390.524591] ? find_held_lock+0x36/0x1c0 [ 390.528651] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 390.532992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.538542] ? __lock_is_held+0xb5/0x140 [ 390.542721] discover_timer+0x50/0x60 [ 390.546517] call_timer_fn+0x272/0x920 [ 390.550404] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 390.555252] ? process_timeout+0x40/0x40 [ 390.559317] ? __run_timers+0x7da/0xc70 [ 390.563291] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.567782] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.572858] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 390.577697] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.582277] ? trace_hardirqs_on+0xbd/0x310 [ 390.586600] ? kasan_check_read+0x11/0x20 [ 390.590743] ? __run_timers+0x7da/0xc70 [ 390.594716] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.599825] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 390.604661] __run_timers+0x7e5/0xc70 [ 390.608467] ? timer_fixup_init+0x70/0x70 [ 390.612613] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.617101] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.621594] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 390.626172] ? trace_hardirqs_on+0xbd/0x310 [ 390.630486] ? kasan_check_read+0x11/0x20 [ 390.634629] ? finish_task_switch+0x1f4/0x910 [ 390.639120] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.644220] ? compat_start_thread+0x80/0x80 [ 390.648643] ? pvclock_read_flags+0x160/0x160 [ 390.653129] ? __switch_to_asm+0x34/0x70 [ 390.657190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.662725] ? check_preemption_disabled+0x48/0x280 [ 390.667747] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 390.673785] ? rcu_pm_notify+0xc0/0xc0 [ 390.677670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.683202] ? check_preemption_disabled+0x48/0x280 [ 390.688216] run_timer_softirq+0x52/0xb0 [ 390.692271] ? rcu_read_lock_sched_held+0x14f/0x180 [ 390.697292] __do_softirq+0x308/0xb7e [ 390.701093] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.706554] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 390.711661] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.717111] ? schedule+0x108/0x460 [ 390.720745] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.725503] ? trace_hardirqs_off+0xb8/0x310 [ 390.729927] ? smpboot_thread_fn+0x68b/0xa00 [ 390.734334] ? trace_hardirqs_on+0x310/0x310 [ 390.738738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.744269] ? check_preemption_disabled+0x48/0x280 [ 390.749288] ? takeover_tasklets+0xa90/0xa90 [ 390.753694] run_ksoftirqd+0x5e/0x100 [ 390.757489] smpboot_thread_fn+0x68b/0xa00 [ 390.761728] ? sort_range+0x30/0x30 [ 390.765348] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 390.770995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.776553] ? __kthread_parkme+0xfb/0x1a0 [ 390.780786] ? sort_range+0x30/0x30 [ 390.784407] kthread+0x35a/0x440 [ 390.787768] ? kthread_stop+0x900/0x900 [ 390.791738] ret_from_fork+0x3a/0x50 [ 390.795463] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 390.795529] aoe: skb alloc failure [ 390.802208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.802215] Call Trace: [ 390.805791] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.815183] dump_stack+0x244/0x39d [ 390.817742] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 390.828044] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.841519] warn_alloc.cold.116+0xb7/0x1bd [ 390.845837] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.850935] ? lock_downgrade+0x900/0x900 [ 390.855087] ? trace_hardirqs_off+0xb8/0x310 [ 390.859493] ? trace_hardirqs_off+0xb8/0x310 [ 390.863912] __alloc_pages_slowpath+0x26e8/0x2e10 [ 390.869036] ? warn_alloc+0x120/0x120 [ 390.872835] ? warn_alloc+0x120/0x120 [ 390.876630] ? __bfs+0xb0/0x780 [ 390.879919] ? warn_alloc+0x120/0x120 [ 390.883720] ? print_usage_bug+0xc0/0xc0 [ 390.887782] ? lockdep_on+0x50/0x50 [ 390.891407] ? print_bfs_bug+0x80/0x80 [ 390.895301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.900837] ? should_fail+0x22d/0xd01 [ 390.904741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.909845] ? __lock_acquire+0x62f/0x4c20 [ 390.914080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.919177] ? __lock_acquire+0x2aff/0x4c20 [ 390.923492] ? should_fail+0x22d/0xd01 [ 390.927381] ? kasan_check_read+0x11/0x20 [ 390.931550] ? mark_held_locks+0x130/0x130 [ 390.935786] ? mark_held_locks+0x130/0x130 [ 390.940021] ? zap_class+0x640/0x640 [ 390.943731] ? ret_from_fork+0x3a/0x50 [ 390.947615] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 390.953506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.959039] ? check_preemption_disabled+0x48/0x280 [ 390.964062] ? __lock_is_held+0xb5/0x140 [ 390.968356] __alloc_pages_nodemask+0xa80/0xde0 [ 390.973016] ? zap_class+0x640/0x640 [ 390.976727] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 390.981759] ? find_held_lock+0x36/0x1c0 [ 390.985824] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.990497] ? lock_downgrade+0x900/0x900 [ 390.994649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.000190] cache_grow_begin+0xa5/0x8c0 [ 391.004247] ? do_raw_spin_unlock+0xa7/0x330 [ 391.008656] fallback_alloc+0x204/0x2e0 [ 391.012635] ____cache_alloc_node+0x1c7/0x1e0 [ 391.017356] kmem_cache_alloc_node+0xe3/0x730 [ 391.021850] ? mark_held_locks+0xc7/0x130 [ 391.026003] __alloc_skb+0x119/0x770 [ 391.029716] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.034121] ? do_raw_spin_trylock+0x270/0x270 [ 391.038698] ? kmem_cache_alloc_trace+0x353/0x750 [ 391.043538] ? queue_work_on+0x12c/0x1e0 [ 391.048033] ? switchdev_port_obj_del+0xdc/0x440 [ 391.052896] ? switchdev_trans_item_enqueue+0x260/0x260 [ 391.058260] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 391.063277] __br_mdb_notify+0x4ff/0x15d0 [ 391.067428] ? __br_mdb_add+0x7f0/0x7f0 [ 391.071726] ? zap_class+0x640/0x640 [ 391.075454] ? br_multicast_group_expired+0x96/0x610 [ 391.080565] br_mdb_notify+0x310/0x410 [ 391.084447] ? br_mdb_dump+0x27b0/0x27b0 [ 391.088511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.094049] br_multicast_group_expired+0x1bc/0x610 [ 391.099063] ? br_mdb_free+0x80/0x80 [ 391.102779] call_timer_fn+0x272/0x920 [ 391.106661] ? br_mdb_free+0x80/0x80 [ 391.110372] ? process_timeout+0x40/0x40 [ 391.114436] ? __run_timers+0x7da/0xc70 [ 391.118408] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.122896] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.127401] ? br_mdb_free+0x80/0x80 [ 391.131110] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.135685] ? trace_hardirqs_on+0xbd/0x310 [ 391.140000] ? kasan_check_read+0x11/0x20 [ 391.144139] ? __run_timers+0x7da/0xc70 [ 391.148108] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.153211] ? br_multicast_del_pg+0x790/0x790 [ 391.157791] ? br_mdb_free+0x80/0x80 [ 391.161503] __run_timers+0x7e5/0xc70 [ 391.165308] ? timer_fixup_init+0x70/0x70 [ 391.169782] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.174268] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.178769] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 391.183363] ? trace_hardirqs_on+0xbd/0x310 [ 391.187674] ? kasan_check_read+0x11/0x20 [ 391.191824] ? finish_task_switch+0x1f4/0x910 [ 391.196312] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.201405] ? compat_start_thread+0x80/0x80 [ 391.205825] ? pvclock_read_flags+0x160/0x160 [ 391.210312] ? __switch_to_asm+0x34/0x70 [ 391.214371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.219908] ? check_preemption_disabled+0x48/0x280 [ 391.224925] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 391.230461] ? rcu_pm_notify+0xc0/0xc0 [ 391.234348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.239898] ? check_preemption_disabled+0x48/0x280 [ 391.244911] run_timer_softirq+0x52/0xb0 [ 391.248967] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.253976] __do_softirq+0x308/0xb7e [ 391.257864] ? trace_hardirqs_on_caller+0xc0/0x310 [ 391.262791] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.267889] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.273642] ? schedule+0x108/0x460 [ 391.277270] ? trace_hardirqs_off+0xb8/0x310 [ 391.281672] ? smpboot_thread_fn+0x68b/0xa00 [ 391.286088] ? trace_hardirqs_on+0x310/0x310 [ 391.290499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.296035] ? check_preemption_disabled+0x48/0x280 [ 391.301049] ? takeover_tasklets+0xa90/0xa90 [ 391.305453] run_ksoftirqd+0x5e/0x100 [ 391.309257] smpboot_thread_fn+0x68b/0xa00 [ 391.313491] ? sort_range+0x30/0x30 [ 391.317111] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.322221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.327753] ? __kthread_parkme+0xfb/0x1a0 [ 391.331986] ? sort_range+0x30/0x30 [ 391.335607] kthread+0x35a/0x440 [ 391.338976] ? kthread_stop+0x900/0x900 [ 391.342962] ret_from_fork+0x3a/0x50 [ 391.346687] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 391.346702] warn_alloc_show_mem: 1 callbacks suppressed [ 391.346705] Mem-Info: [ 391.353533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.358893] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 391.358893] active_file:10 inactive_file:14 isolated_file:0 [ 391.358893] unevictable:0 dirty:0 writeback:0 unstable:0 [ 391.358893] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 391.358893] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 391.358893] free:13688 free_pcp:208 free_cma:0 [ 391.361262] Call Trace: [ 391.370993] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 391.404014] dump_stack+0x244/0x39d [ 391.406573] 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 [ 391.434238] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.437836] lowmem_reserve[]: 0 2818 6321 6321 [ 391.463940] warn_alloc.cold.116+0xb7/0x1bd [ 391.469427] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 391.474016] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.478323] lowmem_reserve[]: 0 0 3503 3503 [ 391.505648] ? lock_downgrade+0x900/0x900 [ 391.510465] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 391.514780] ? trace_hardirqs_off+0xb8/0x310 [ 391.518906] lowmem_reserve[]: 0 0 0 0 [ 391.547886] ? trace_hardirqs_off+0xb8/0x310 [ 391.552263] 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 [ 391.556074] __alloc_pages_slowpath+0x26e8/0x2e10 [ 391.560458] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 391.574674] ? warn_alloc+0x120/0x120 [ 391.579466] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 391.595152] ? warn_alloc+0x120/0x120 [ 391.598928] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 391.614010] ? warn_alloc+0x120/0x120 [ 391.617787] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 391.626613] ? find_held_lock+0x36/0x1c0 [ 391.626629] ? print_usage_bug+0xc0/0xc0 [ 391.630403] 1671 total pagecache pages [ 391.639143] ? print_usage_bug+0xc0/0xc0 [ 391.643179] 0 pages in swap cache [ 391.647225] ? mark_held_locks+0x130/0x130 [ 391.651089] Swap cache stats: add 0, delete 0, find 0/0 [ 391.655234] ? mark_held_locks+0x130/0x130 [ 391.658662] Free swap = 0kB [ 391.662882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.668503] Total swap = 0kB [ 391.672989] ? should_fail+0x22d/0xd01 [ 391.675978] 1965979 pages RAM [ 391.681499] ? zap_class+0x640/0x640 [ 391.684495] 0 pages HighMem/MovableOnly [ 391.688366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.691450] 342853 pages reserved [ 391.695160] ? __lock_acquire+0x62f/0x4c20 [ 391.699105] 0 pages cma reserved [ 391.704198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.708235] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.711840] ? __lock_acquire+0x62f/0x4c20 [ 391.715188] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 391.720283] ? should_fail+0x22d/0xd01 [ 391.743318] ? mark_held_locks+0x130/0x130 [ 391.747553] ? mark_held_locks+0x130/0x130 [ 391.751778] ? lock_downgrade+0x900/0x900 [ 391.755932] ? zap_class+0x640/0x640 [ 391.759645] ? zap_class+0x640/0x640 [ 391.763350] ? do_raw_spin_unlock+0xa7/0x330 [ 391.768464] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 391.773216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.778752] ? check_preemption_disabled+0x48/0x280 [ 391.783770] ? __lock_is_held+0xb5/0x140 [ 391.787837] __alloc_pages_nodemask+0xa80/0xde0 [ 391.792500] ? zap_class+0x640/0x640 [ 391.796216] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 391.801235] ? find_held_lock+0x36/0x1c0 [ 391.805299] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.809961] ? lock_downgrade+0x900/0x900 [ 391.814112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.819760] cache_grow_begin+0xa5/0x8c0 [ 391.823816] ? do_raw_spin_unlock+0xa7/0x330 [ 391.828228] fallback_alloc+0x204/0x2e0 [ 391.832209] ____cache_alloc_node+0x1c7/0x1e0 [ 391.836705] kmem_cache_alloc_node+0xe3/0x730 [ 391.841200] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.845785] __alloc_skb+0x119/0x770 [ 391.849513] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 391.854877] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.859286] ? vprintk_default+0x28/0x30 [ 391.863341] ? vprintk_func+0x85/0x181 [ 391.867228] ? printk+0xa7/0xcf [ 391.871073] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 391.875833] new_skb+0x26/0x1c0 [ 391.879110] aoecmd_cfg+0x279/0x7f0 [ 391.882732] ? find_held_lock+0x36/0x1c0 [ 391.886791] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 391.891113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.896654] ? __lock_is_held+0xb5/0x140 [ 391.900721] discover_timer+0x50/0x60 [ 391.904515] call_timer_fn+0x272/0x920 [ 391.908664] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 391.913505] ? process_timeout+0x40/0x40 [ 391.917569] ? __run_timers+0x7da/0xc70 [ 391.921541] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.926027] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.930522] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 391.935375] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.939960] ? trace_hardirqs_on+0xbd/0x310 [ 391.944278] ? kasan_check_read+0x11/0x20 [ 391.948423] ? __run_timers+0x7da/0xc70 [ 391.952391] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.957506] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 391.962356] __run_timers+0x7e5/0xc70 [ 391.966160] ? timer_fixup_init+0x70/0x70 [ 391.971058] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.975545] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.980051] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 391.984655] ? trace_hardirqs_on+0xbd/0x310 [ 391.988986] ? kasan_check_read+0x11/0x20 [ 391.993131] ? finish_task_switch+0x1f4/0x910 [ 391.997626] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.002724] ? compat_start_thread+0x80/0x80 [ 392.007147] ? pvclock_read_flags+0x160/0x160 [ 392.011639] ? __switch_to_asm+0x34/0x70 [ 392.015695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.021228] ? check_preemption_disabled+0x48/0x280 [ 392.026247] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 392.031782] ? rcu_pm_notify+0xc0/0xc0 [ 392.035666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.041292] ? check_preemption_disabled+0x48/0x280 [ 392.046306] run_timer_softirq+0x52/0xb0 [ 392.050359] ? rcu_read_lock_sched_held+0x14f/0x180 [ 392.055388] __do_softirq+0x308/0xb7e [ 392.059194] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.064639] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 392.070187] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.075636] ? schedule+0x108/0x460 [ 392.079259] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 392.084020] ? trace_hardirqs_off+0xb8/0x310 [ 392.088424] ? smpboot_thread_fn+0x68b/0xa00 [ 392.092844] ? trace_hardirqs_on+0x310/0x310 [ 392.097330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.102861] ? check_preemption_disabled+0x48/0x280 [ 392.107869] ? takeover_tasklets+0xa90/0xa90 [ 392.112272] run_ksoftirqd+0x5e/0x100 [ 392.116071] smpboot_thread_fn+0x68b/0xa00 [ 392.120398] ? sort_range+0x30/0x30 [ 392.124023] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.129122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.134660] ? __kthread_parkme+0xfb/0x1a0 [ 392.138914] ? sort_range+0x30/0x30 [ 392.142551] kthread+0x35a/0x440 [ 392.145913] ? kthread_stop+0x900/0x900 [ 392.149881] ret_from_fork+0x3a/0x50 [ 392.153608] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 392.153668] aoe: skb alloc failure [ 392.160358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.160363] Call Trace: [ 392.160380] dump_stack+0x244/0x39d [ 392.160406] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.163945] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 392.173618] warn_alloc.cold.116+0xb7/0x1bd [ 392.176166] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 392.179779] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.209222] ? lock_downgrade+0x900/0x900 [ 392.213369] ? trace_hardirqs_off+0xb8/0x310 [ 392.217793] ? trace_hardirqs_off+0xb8/0x310 [ 392.222210] __alloc_pages_slowpath+0x26e8/0x2e10 [ 392.227072] ? warn_alloc+0x120/0x120 [ 392.230872] ? warn_alloc+0x120/0x120 [ 392.234672] ? __bfs+0xb0/0x780 [ 392.237948] ? warn_alloc+0x120/0x120 [ 392.241758] ? print_usage_bug+0xc0/0xc0 [ 392.245810] ? lockdep_on+0x50/0x50 [ 392.249435] ? print_usage_bug+0xc0/0xc0 [ 392.253489] ? print_bfs_bug+0x80/0x80 [ 392.257391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.262923] ? should_fail+0x22d/0xd01 [ 392.266809] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.272195] ? __lock_acquire+0x62f/0x4c20 [ 392.276440] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.281533] ? __lock_acquire+0x62f/0x4c20 [ 392.285759] ? should_fail+0x22d/0xd01 [ 392.289656] ? mark_held_locks+0x130/0x130 [ 392.293888] ? mark_held_locks+0x130/0x130 [ 392.298123] ? zap_class+0x640/0x640 [ 392.301830] ? lockdep_on+0x50/0x50 [ 392.305452] ? ret_from_fork+0x3a/0x50 [ 392.309338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.314972] ? check_preemption_disabled+0x48/0x280 [ 392.319993] ? __lock_is_held+0xb5/0x140 [ 392.324086] __alloc_pages_nodemask+0xa80/0xde0 [ 392.328752] ? zap_class+0x640/0x640 [ 392.332468] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 392.337504] ? find_held_lock+0x36/0x1c0 [ 392.341569] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.346234] ? lock_downgrade+0x900/0x900 [ 392.350391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.355938] cache_grow_begin+0xa5/0x8c0 [ 392.359991] ? do_raw_spin_unlock+0xa7/0x330 [ 392.364424] fallback_alloc+0x204/0x2e0 [ 392.368714] ____cache_alloc_node+0x1c7/0x1e0 [ 392.373211] kmem_cache_alloc_node+0xe3/0x730 [ 392.377700] ? mark_held_locks+0xc7/0x130 [ 392.381852] __alloc_skb+0x119/0x770 [ 392.385564] ? netdev_alloc_frag+0x1f0/0x1f0 [ 392.389969] ? do_raw_spin_trylock+0x270/0x270 [ 392.394550] ? kmem_cache_alloc_trace+0x353/0x750 [ 392.399406] ? queue_work_on+0x12c/0x1e0 [ 392.403472] ? switchdev_port_obj_del+0xdc/0x440 [ 392.408224] ? switchdev_trans_item_enqueue+0x260/0x260 [ 392.413588] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 392.418603] __br_mdb_notify+0x4ff/0x15d0 [ 392.422758] ? __br_mdb_add+0x7f0/0x7f0 [ 392.426764] ? zap_class+0x640/0x640 [ 392.430487] ? br_multicast_group_expired+0x96/0x610 [ 392.435601] ? lock_downgrade+0x900/0x900 [ 392.439750] br_mdb_notify+0x310/0x410 [ 392.443647] ? br_mdb_dump+0x27b0/0x27b0 [ 392.447711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.453248] br_multicast_group_expired+0x1bc/0x610 [ 392.458269] ? br_mdb_free+0x80/0x80 [ 392.461988] call_timer_fn+0x272/0x920 [ 392.465870] ? br_mdb_free+0x80/0x80 [ 392.469929] ? process_timeout+0x40/0x40 [ 392.473992] ? __run_timers+0x7da/0xc70 [ 392.477963] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.482452] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.486942] ? br_mdb_free+0x80/0x80 [ 392.490652] ? lockdep_hardirqs_on+0x296/0x5b0 [ 392.495233] ? trace_hardirqs_on+0xbd/0x310 [ 392.499587] ? kasan_check_read+0x11/0x20 [ 392.503738] ? __run_timers+0x7da/0xc70 [ 392.507706] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.512809] ? br_mdb_free+0x80/0x80 [ 392.516522] ? br_mdb_free+0x80/0x80 [ 392.520232] __run_timers+0x7e5/0xc70 [ 392.524045] ? timer_fixup_init+0x70/0x70 [ 392.528184] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.532676] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.537272] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 392.541851] ? trace_hardirqs_on+0xbd/0x310 [ 392.546165] ? kasan_check_read+0x11/0x20 [ 392.550309] ? finish_task_switch+0x1f4/0x910 [ 392.554799] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.559907] ? compat_start_thread+0x80/0x80 [ 392.564329] ? pvclock_read_flags+0x160/0x160 [ 392.569126] ? __switch_to_asm+0x34/0x70 [ 392.573191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.578725] ? check_preemption_disabled+0x48/0x280 [ 392.583742] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 392.589276] ? rcu_pm_notify+0xc0/0xc0 [ 392.593158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.598701] ? check_preemption_disabled+0x48/0x280 [ 392.603713] run_timer_softirq+0x52/0xb0 [ 392.607785] ? rcu_read_lock_sched_held+0x14f/0x180 [ 392.612821] __do_softirq+0x308/0xb7e [ 392.616626] ? trace_hardirqs_on_caller+0xc0/0x310 [ 392.621554] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 392.626650] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.632103] ? schedule+0x108/0x460 [ 392.635739] ? trace_hardirqs_off+0xb8/0x310 [ 392.640144] ? smpboot_thread_fn+0x68b/0xa00 [ 392.644549] ? trace_hardirqs_on+0x310/0x310 [ 392.648953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.654485] ? check_preemption_disabled+0x48/0x280 [ 392.659499] ? takeover_tasklets+0xa90/0xa90 [ 392.663906] run_ksoftirqd+0x5e/0x100 [ 392.667704] smpboot_thread_fn+0x68b/0xa00 [ 392.672266] ? sort_range+0x30/0x30 [ 392.675904] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.681001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.686536] ? __kthread_parkme+0xfb/0x1a0 [ 392.690769] ? sort_range+0x30/0x30 [ 392.694408] kthread+0x35a/0x440 [ 392.697772] ? kthread_stop+0x900/0x900 [ 392.701744] ret_from_fork+0x3a/0x50 [ 392.705466] warn_alloc_show_mem: 1 callbacks suppressed [ 392.705476] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 392.705477] Mem-Info: [ 392.705509] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 392.705509] active_file:10 inactive_file:14 isolated_file:0 [ 392.705509] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.705509] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 392.705509] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 392.705509] free:13688 free_pcp:208 free_cma:0 [ 392.710843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.717682] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.720069] Call Trace: [ 392.753095] 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 [ 392.753124] lowmem_reserve[]: 0 2818 6321 6321 [ 392.762472] dump_stack+0x244/0x39d [ 392.790457] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 392.793053] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.819125] lowmem_reserve[]: 0 0 3503 3503 [ 392.823707] warn_alloc.cold.116+0xb7/0x1bd [ 392.827297] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 392.854766] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.859928] lowmem_reserve[]: 0 0 0 0 [ 392.864248] ? lock_downgrade+0x900/0x900 [ 392.868839] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 392.897805] ? trace_hardirqs_off+0xb8/0x310 [ 392.902618] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 392.906414] ? trace_hardirqs_off+0xb8/0x310 [ 392.910529] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 392.924046] __alloc_pages_slowpath+0x26e8/0x2e10 [ 392.928431] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 392.944129] ? warn_alloc+0x120/0x120 [ 392.948495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 392.963389] ? warn_alloc+0x120/0x120 [ 392.968481] 1671 total pagecache pages [ 392.977309] ? warn_alloc+0x120/0x120 [ 392.981098] 0 pages in swap cache [ 392.989655] ? find_held_lock+0x36/0x1c0 [ 392.993511] Swap cache stats: add 0, delete 0, find 0/0 [ 392.997382] ? print_usage_bug+0xc0/0xc0 [ 393.001154] Free swap = 0kB [ 393.004595] ? print_usage_bug+0xc0/0xc0 [ 393.008625] Total swap = 0kB [ 393.014494] ? mark_held_locks+0x130/0x130 [ 393.018526] 1965979 pages RAM [ 393.021534] ? mark_held_locks+0x130/0x130 [ 393.025677] 0 pages HighMem/MovableOnly [ 393.028687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.032890] 342853 pages reserved [ 393.035984] ? should_fail+0x22d/0xd01 [ 393.040193] 0 pages cma reserved [ 393.044152] ? zap_class+0x640/0x640 [ 393.049797] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.053101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.056957] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 393.060321] ? __lock_acquire+0x62f/0x4c20 [ 393.089028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.094127] ? __lock_acquire+0x62f/0x4c20 [ 393.098353] ? should_fail+0x22d/0xd01 [ 393.102264] ? mark_held_locks+0x130/0x130 [ 393.106495] ? mark_held_locks+0x130/0x130 [ 393.110725] ? lock_downgrade+0x900/0x900 [ 393.114868] ? zap_class+0x640/0x640 [ 393.118575] ? zap_class+0x640/0x640 [ 393.122286] ? zap_class+0x640/0x640 [ 393.125998] ? do_raw_spin_unlock+0xa7/0x330 [ 393.130401] ? trace_hardirqs_on+0x310/0x310 [ 393.134804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.140341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.145875] ? check_preemption_disabled+0x48/0x280 [ 393.150895] ? __lock_is_held+0xb5/0x140 [ 393.154957] __alloc_pages_nodemask+0xa80/0xde0 [ 393.159620] ? zap_class+0x640/0x640 [ 393.163342] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 393.168886] ? find_held_lock+0x36/0x1c0 [ 393.172950] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.177615] ? lock_downgrade+0x900/0x900 [ 393.181874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.187413] cache_grow_begin+0xa5/0x8c0 [ 393.191467] ? do_raw_spin_unlock+0xa7/0x330 [ 393.195877] fallback_alloc+0x204/0x2e0 [ 393.199851] ____cache_alloc_node+0x1c7/0x1e0 [ 393.204351] kmem_cache_alloc_node+0xe3/0x730 [ 393.208842] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.213429] __alloc_skb+0x119/0x770 [ 393.217139] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 393.222498] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.226923] ? vprintk_default+0x28/0x30 [ 393.230983] ? vprintk_func+0x85/0x181 [ 393.234866] ? printk+0xa7/0xcf [ 393.238141] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 393.242901] new_skb+0x26/0x1c0 [ 393.246173] aoecmd_cfg+0x279/0x7f0 [ 393.249795] ? find_held_lock+0x36/0x1c0 [ 393.253866] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 393.258183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.263725] ? __lock_is_held+0xb5/0x140 [ 393.268335] discover_timer+0x50/0x60 [ 393.272135] call_timer_fn+0x272/0x920 [ 393.276020] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 393.280875] ? process_timeout+0x40/0x40 [ 393.284938] ? __run_timers+0x7da/0xc70 [ 393.288910] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.293401] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.297889] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 393.302725] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.307307] ? trace_hardirqs_on+0xbd/0x310 [ 393.311625] ? kasan_check_read+0x11/0x20 [ 393.315766] ? __run_timers+0x7da/0xc70 [ 393.319733] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.324942] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 393.329776] __run_timers+0x7e5/0xc70 [ 393.333583] ? timer_fixup_init+0x70/0x70 [ 393.337724] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.342226] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.346719] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 393.351301] ? trace_hardirqs_on+0xbd/0x310 [ 393.355620] ? kasan_check_read+0x11/0x20 [ 393.359766] ? finish_task_switch+0x1f4/0x910 [ 393.364257] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.370072] ? compat_start_thread+0x80/0x80 [ 393.374494] ? pvclock_read_flags+0x160/0x160 [ 393.378980] ? __switch_to_asm+0x34/0x70 [ 393.383035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.388571] ? check_preemption_disabled+0x48/0x280 [ 393.393593] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 393.399124] ? rcu_pm_notify+0xc0/0xc0 [ 393.403025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.408567] ? check_preemption_disabled+0x48/0x280 [ 393.413581] run_timer_softirq+0x52/0xb0 [ 393.417641] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.422653] __do_softirq+0x308/0xb7e [ 393.426453] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.431901] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.437000] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.442449] ? schedule+0x108/0x460 [ 393.446073] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.450835] ? trace_hardirqs_off+0xb8/0x310 [ 393.455237] ? smpboot_thread_fn+0x68b/0xa00 [ 393.459638] ? trace_hardirqs_on+0x310/0x310 [ 393.464045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.470315] ? check_preemption_disabled+0x48/0x280 [ 393.475330] ? takeover_tasklets+0xa90/0xa90 [ 393.479743] run_ksoftirqd+0x5e/0x100 [ 393.483540] smpboot_thread_fn+0x68b/0xa00 [ 393.487773] ? sort_range+0x30/0x30 [ 393.491408] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 393.496521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.502055] ? __kthread_parkme+0xfb/0x1a0 [ 393.506291] ? sort_range+0x30/0x30 [ 393.509914] kthread+0x35a/0x440 [ 393.513286] ? kthread_stop+0x900/0x900 [ 393.517255] ret_from_fork+0x3a/0x50 [ 393.520988] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 393.521054] aoe: skb alloc failure [ 393.527734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.527739] Call Trace: [ 393.527757] dump_stack+0x244/0x39d [ 393.527775] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.531318] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.540645] warn_alloc.cold.116+0xb7/0x1bd [ 393.543195] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 393.546825] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.576392] ? lock_downgrade+0x900/0x900 [ 393.580545] ? trace_hardirqs_off+0xb8/0x310 [ 393.584952] ? trace_hardirqs_off+0xb8/0x310 [ 393.589366] __alloc_pages_slowpath+0x26e8/0x2e10 [ 393.594226] ? warn_alloc+0x120/0x120 [ 393.598027] ? warn_alloc+0x120/0x120 [ 393.601823] ? __bfs+0xb0/0x780 [ 393.605097] ? warn_alloc+0x120/0x120 [ 393.608895] ? print_usage_bug+0xc0/0xc0 [ 393.612947] ? lockdep_on+0x50/0x50 [ 393.616591] ? print_usage_bug+0xc0/0xc0 [ 393.620652] ? print_bfs_bug+0x80/0x80 [ 393.624542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.630074] ? should_fail+0x22d/0xd01 [ 393.633961] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.639058] ? __lock_acquire+0x62f/0x4c20 [ 393.643292] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.648387] ? __lock_acquire+0x62f/0x4c20 [ 393.652618] ? should_fail+0x22d/0xd01 [ 393.656517] ? mark_held_locks+0x130/0x130 [ 393.660753] ? mark_held_locks+0x130/0x130 [ 393.664990] ? zap_class+0x640/0x640 [ 393.669017] ? ret_from_fork+0x3a/0x50 [ 393.673163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.678696] ? check_preemption_disabled+0x48/0x280 [ 393.683713] ? __lock_is_held+0xb5/0x140 [ 393.687772] __alloc_pages_nodemask+0xa80/0xde0 [ 393.692436] ? zap_class+0x640/0x640 [ 393.696164] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 393.701183] ? find_held_lock+0x36/0x1c0 [ 393.705247] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.709917] ? lock_downgrade+0x900/0x900 [ 393.714065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.719600] cache_grow_begin+0xa5/0x8c0 [ 393.723653] ? do_raw_spin_unlock+0xa7/0x330 [ 393.728062] fallback_alloc+0x204/0x2e0 [ 393.732038] ____cache_alloc_node+0x1c7/0x1e0 [ 393.736547] kmem_cache_alloc_node+0xe3/0x730 [ 393.741041] ? mark_held_locks+0xc7/0x130 [ 393.745192] __alloc_skb+0x119/0x770 [ 393.748901] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.753301] ? do_raw_spin_trylock+0x270/0x270 [ 393.757876] ? kmem_cache_alloc_trace+0x353/0x750 [ 393.762718] ? queue_work_on+0x12c/0x1e0 [ 393.766797] ? switchdev_port_obj_del+0xdc/0x440 [ 393.772257] ? switchdev_trans_item_enqueue+0x260/0x260 [ 393.777623] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 393.782654] __br_mdb_notify+0x4ff/0x15d0 [ 393.786805] ? __br_mdb_add+0x7f0/0x7f0 [ 393.790782] ? zap_class+0x640/0x640 [ 393.794505] ? br_multicast_group_expired+0x96/0x610 [ 393.799602] ? lock_downgrade+0x900/0x900 [ 393.803752] br_mdb_notify+0x310/0x410 [ 393.807636] ? br_mdb_dump+0x27b0/0x27b0 [ 393.811696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.817237] br_multicast_group_expired+0x1bc/0x610 [ 393.822264] ? br_mdb_free+0x80/0x80 [ 393.825983] call_timer_fn+0x272/0x920 [ 393.829865] ? br_mdb_free+0x80/0x80 [ 393.833577] ? process_timeout+0x40/0x40 [ 393.837639] ? __run_timers+0x7da/0xc70 [ 393.841608] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.846094] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.850584] ? br_mdb_free+0x80/0x80 [ 393.854291] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.858867] ? trace_hardirqs_on+0xbd/0x310 [ 393.863181] ? kasan_check_read+0x11/0x20 [ 393.867326] ? __run_timers+0x7da/0xc70 [ 393.871619] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.876721] ? br_mdb_free+0x80/0x80 [ 393.880435] ? br_mdb_free+0x80/0x80 [ 393.884228] __run_timers+0x7e5/0xc70 [ 393.888041] ? timer_fixup_init+0x70/0x70 [ 393.892184] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.896671] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.901162] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 393.905740] ? trace_hardirqs_on+0xbd/0x310 [ 393.910056] ? kasan_check_read+0x11/0x20 [ 393.914199] ? finish_task_switch+0x1f4/0x910 [ 393.918689] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.923784] ? compat_start_thread+0x80/0x80 [ 393.928203] ? pvclock_read_flags+0x160/0x160 [ 393.932695] ? __switch_to_asm+0x34/0x70 [ 393.936753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.942884] ? check_preemption_disabled+0x48/0x280 [ 393.947918] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 393.953452] ? rcu_pm_notify+0xc0/0xc0 [ 393.957341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.962885] ? check_preemption_disabled+0x48/0x280 [ 393.968209] run_timer_softirq+0x52/0xb0 [ 393.972265] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.977277] __do_softirq+0x308/0xb7e [ 393.981079] ? trace_hardirqs_on_caller+0xc0/0x310 [ 393.986006] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.991104] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.996554] ? schedule+0x108/0x460 [ 394.000186] ? trace_hardirqs_off+0xb8/0x310 [ 394.004588] ? smpboot_thread_fn+0x68b/0xa00 [ 394.008992] ? trace_hardirqs_on+0x310/0x310 [ 394.013400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.018932] ? check_preemption_disabled+0x48/0x280 [ 394.023945] ? takeover_tasklets+0xa90/0xa90 [ 394.028370] run_ksoftirqd+0x5e/0x100 [ 394.032181] smpboot_thread_fn+0x68b/0xa00 [ 394.036415] ? sort_range+0x30/0x30 [ 394.040039] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.045139] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.050667] ? __kthread_parkme+0xfb/0x1a0 [ 394.054897] ? sort_range+0x30/0x30 [ 394.058534] kthread+0x35a/0x440 [ 394.061897] ? kthread_stop+0x900/0x900 [ 394.065880] ret_from_fork+0x3a/0x50 [ 394.069895] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 394.069899] warn_alloc_show_mem: 1 callbacks suppressed [ 394.069905] Mem-Info: [ 394.076733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.082112] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 394.082112] active_file:10 inactive_file:14 isolated_file:0 [ 394.082112] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.082112] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 394.082112] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 394.082112] free:13688 free_pcp:208 free_cma:0 [ 394.084486] Call Trace: [ 394.093858] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 394.126898] dump_stack+0x244/0x39d [ 394.129470] 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 [ 394.157129] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.160728] lowmem_reserve[]: 0 2818 6321 6321 [ 394.187547] warn_alloc.cold.116+0xb7/0x1bd [ 394.192715] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 394.197290] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.201583] lowmem_reserve[]: 0 0 3503 3503 [ 394.228892] ? lock_downgrade+0x900/0x900 [ 394.233706] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 394.238023] ? trace_hardirqs_off+0xb8/0x310 [ 394.242231] lowmem_reserve[]: 0 0 0 0 [ 394.271728] ? trace_hardirqs_off+0xb8/0x310 [ 394.276106] 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 [ 394.279902] __alloc_pages_slowpath+0x26e8/0x2e10 [ 394.284276] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 394.297813] ? warn_alloc+0x120/0x120 [ 394.302608] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 394.318291] ? warn_alloc+0x120/0x120 [ 394.322070] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 394.336968] ? warn_alloc+0x120/0x120 [ 394.340741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 394.349557] ? find_held_lock+0x36/0x1c0 [ 394.353330] 1671 total pagecache pages [ 394.361893] ? print_usage_bug+0xc0/0xc0 [ 394.365930] 0 pages in swap cache [ 394.370329] ? print_usage_bug+0xc0/0xc0 [ 394.374378] Swap cache stats: add 0, delete 0, find 0/0 [ 394.377813] ? mark_held_locks+0x130/0x130 [ 394.381846] Free swap = 0kB [ 394.387201] ? mark_held_locks+0x130/0x130 [ 394.391408] Total swap = 0kB [ 394.394413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.398619] 1965979 pages RAM [ 394.401623] ? should_fail+0x22d/0xd01 [ 394.407127] 0 pages HighMem/MovableOnly [ 394.410219] ? zap_class+0x640/0x640 [ 394.414090] 342853 pages reserved [ 394.418052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.421735] 0 pages cma reserved [ 394.425177] ? __lock_acquire+0x62f/0x4c20 [ 394.430392] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 394.433622] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.437827] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 394.448125] ? __lock_acquire+0x62f/0x4c20 [ 394.462083] ? should_fail+0x22d/0xd01 [ 394.465990] ? mark_held_locks+0x130/0x130 [ 394.470695] ? mark_held_locks+0x130/0x130 [ 394.474937] ? lock_downgrade+0x900/0x900 [ 394.479087] ? zap_class+0x640/0x640 [ 394.482795] ? zap_class+0x640/0x640 [ 394.486516] ? zap_class+0x640/0x640 [ 394.490223] ? do_raw_spin_unlock+0xa7/0x330 [ 394.494630] ? trace_hardirqs_on+0x310/0x310 [ 394.499036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.504578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.510110] ? check_preemption_disabled+0x48/0x280 [ 394.515129] ? __lock_is_held+0xb5/0x140 [ 394.519202] __alloc_pages_nodemask+0xa80/0xde0 [ 394.523865] ? zap_class+0x640/0x640 [ 394.527576] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 394.532607] ? find_held_lock+0x36/0x1c0 [ 394.536675] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.541357] ? lock_downgrade+0x900/0x900 [ 394.545521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.551057] cache_grow_begin+0xa5/0x8c0 [ 394.555128] ? do_raw_spin_unlock+0xa7/0x330 [ 394.559540] fallback_alloc+0x204/0x2e0 [ 394.563517] ____cache_alloc_node+0x1c7/0x1e0 [ 394.568513] kmem_cache_alloc_node+0xe3/0x730 [ 394.573012] ? lockdep_hardirqs_on+0x296/0x5b0 [ 394.577604] __alloc_skb+0x119/0x770 [ 394.581314] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 394.586675] ? netdev_alloc_frag+0x1f0/0x1f0 [ 394.591083] ? vprintk_default+0x28/0x30 [ 394.595137] ? vprintk_func+0x85/0x181 [ 394.599018] ? printk+0xa7/0xcf [ 394.602291] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 394.607051] new_skb+0x26/0x1c0 [ 394.610344] aoecmd_cfg+0x279/0x7f0 [ 394.613969] ? find_held_lock+0x36/0x1c0 [ 394.618025] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 394.622345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.627885] ? __lock_is_held+0xb5/0x140 [ 394.631956] discover_timer+0x50/0x60 [ 394.635752] call_timer_fn+0x272/0x920 [ 394.639744] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 394.644578] ? process_timeout+0x40/0x40 [ 394.648643] ? __run_timers+0x7da/0xc70 [ 394.652611] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.657098] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.661601] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 394.666450] ? lockdep_hardirqs_on+0x296/0x5b0 [ 394.671624] ? trace_hardirqs_on+0xbd/0x310 [ 394.675943] ? kasan_check_read+0x11/0x20 [ 394.680086] ? __run_timers+0x7da/0xc70 [ 394.684058] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.689187] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 394.694022] __run_timers+0x7e5/0xc70 [ 394.697822] ? timer_fixup_init+0x70/0x70 [ 394.701960] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.706450] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.710941] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 394.715518] ? trace_hardirqs_on+0xbd/0x310 [ 394.719833] ? kasan_check_read+0x11/0x20 [ 394.723978] ? finish_task_switch+0x1f4/0x910 [ 394.728473] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.733573] ? compat_start_thread+0x80/0x80 [ 394.737994] ? pvclock_read_flags+0x160/0x160 [ 394.742479] ? __switch_to_asm+0x34/0x70 [ 394.746533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.752066] ? check_preemption_disabled+0x48/0x280 [ 394.757088] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 394.762632] ? rcu_pm_notify+0xc0/0xc0 [ 394.766515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.772806] ? check_preemption_disabled+0x48/0x280 [ 394.777838] run_timer_softirq+0x52/0xb0 [ 394.781899] ? rcu_read_lock_sched_held+0x14f/0x180 [ 394.786919] __do_softirq+0x308/0xb7e [ 394.790736] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.796189] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 394.801291] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.806746] ? schedule+0x108/0x460 [ 394.810373] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 394.815136] ? trace_hardirqs_off+0xb8/0x310 [ 394.819559] ? smpboot_thread_fn+0x68b/0xa00 [ 394.823960] ? trace_hardirqs_on+0x310/0x310 [ 394.828366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.833898] ? check_preemption_disabled+0x48/0x280 [ 394.838922] ? takeover_tasklets+0xa90/0xa90 [ 394.843329] run_ksoftirqd+0x5e/0x100 [ 394.847314] smpboot_thread_fn+0x68b/0xa00 [ 394.851548] ? sort_range+0x30/0x30 [ 394.855175] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.860276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.865808] ? __kthread_parkme+0xfb/0x1a0 [ 394.870797] ? sort_range+0x30/0x30 [ 394.874421] kthread+0x35a/0x440 [ 394.877784] ? kthread_stop+0x900/0x900 [ 394.881755] ret_from_fork+0x3a/0x50 [ 394.885480] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 394.885539] aoe: skb alloc failure [ 394.892225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.892231] Call Trace: [ 394.895804] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 394.905183] dump_stack+0x244/0x39d [ 394.907738] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 394.918037] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.931470] warn_alloc.cold.116+0xb7/0x1bd [ 394.935788] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.940629] ? lock_downgrade+0x900/0x900 [ 394.944782] ? trace_hardirqs_off+0xb8/0x310 [ 394.949191] ? trace_hardirqs_off+0xb8/0x310 [ 394.953603] __alloc_pages_slowpath+0x26e8/0x2e10 [ 394.958469] ? warn_alloc+0x120/0x120 [ 394.962270] ? warn_alloc+0x120/0x120 [ 394.966065] ? __bfs+0xb0/0x780 [ 394.969606] ? warn_alloc+0x120/0x120 [ 394.973408] ? print_usage_bug+0xc0/0xc0 [ 394.977463] ? lockdep_on+0x50/0x50 [ 394.981089] ? print_usage_bug+0xc0/0xc0 [ 394.985172] ? print_bfs_bug+0x80/0x80 [ 394.989060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.994589] ? should_fail+0x22d/0xd01 [ 394.998477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.003575] ? __lock_acquire+0x62f/0x4c20 [ 395.007808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.012905] ? __lock_acquire+0x62f/0x4c20 [ 395.017353] ? should_fail+0x22d/0xd01 [ 395.021265] ? mark_held_locks+0x130/0x130 [ 395.025498] ? mark_held_locks+0x130/0x130 [ 395.029734] ? zap_class+0x640/0x640 [ 395.033459] ? ret_from_fork+0x3a/0x50 [ 395.037346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.042880] ? check_preemption_disabled+0x48/0x280 [ 395.047902] ? __lock_is_held+0xb5/0x140 [ 395.051962] __alloc_pages_nodemask+0xa80/0xde0 [ 395.056625] ? zap_class+0x640/0x640 [ 395.060338] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 395.065359] ? find_held_lock+0x36/0x1c0 [ 395.069696] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.074359] ? lock_downgrade+0x900/0x900 [ 395.078510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.084049] cache_grow_begin+0xa5/0x8c0 [ 395.088113] ? do_raw_spin_unlock+0xa7/0x330 [ 395.092533] fallback_alloc+0x204/0x2e0 [ 395.096506] ____cache_alloc_node+0x1c7/0x1e0 [ 395.101000] kmem_cache_alloc_node+0xe3/0x730 [ 395.105492] ? mark_held_locks+0xc7/0x130 [ 395.109662] __alloc_skb+0x119/0x770 [ 395.113375] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.117780] ? do_raw_spin_trylock+0x270/0x270 [ 395.122357] ? kmem_cache_alloc_trace+0x353/0x750 [ 395.127207] ? queue_work_on+0x12c/0x1e0 [ 395.131271] ? switchdev_port_obj_del+0xdc/0x440 [ 395.136023] ? switchdev_trans_item_enqueue+0x260/0x260 [ 395.141390] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 395.146408] __br_mdb_notify+0x4ff/0x15d0 [ 395.150558] ? __br_mdb_add+0x7f0/0x7f0 [ 395.154535] ? zap_class+0x640/0x640 [ 395.158252] ? br_multicast_group_expired+0x96/0x610 [ 395.163350] ? lock_downgrade+0x900/0x900 [ 395.167500] br_mdb_notify+0x310/0x410 [ 395.171694] ? br_mdb_dump+0x27b0/0x27b0 [ 395.175781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.181318] br_multicast_group_expired+0x1bc/0x610 [ 395.186329] ? br_mdb_free+0x80/0x80 [ 395.190046] call_timer_fn+0x272/0x920 [ 395.193929] ? br_mdb_free+0x80/0x80 [ 395.197639] ? process_timeout+0x40/0x40 [ 395.201702] ? __run_timers+0x7da/0xc70 [ 395.205674] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.210166] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.214653] ? br_mdb_free+0x80/0x80 [ 395.218369] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.222954] ? trace_hardirqs_on+0xbd/0x310 [ 395.227284] ? kasan_check_read+0x11/0x20 [ 395.231429] ? __run_timers+0x7da/0xc70 [ 395.235405] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.240507] ? br_mdb_free+0x80/0x80 [ 395.244221] ? br_mdb_free+0x80/0x80 [ 395.247928] __run_timers+0x7e5/0xc70 [ 395.251732] ? timer_fixup_init+0x70/0x70 [ 395.255873] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.260362] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.264865] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 395.269753] ? trace_hardirqs_on+0xbd/0x310 [ 395.274243] ? kasan_check_read+0x11/0x20 [ 395.278391] ? finish_task_switch+0x1f4/0x910 [ 395.282881] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.287980] ? compat_start_thread+0x80/0x80 [ 395.292421] ? pvclock_read_flags+0x160/0x160 [ 395.296920] ? __switch_to_asm+0x34/0x70 [ 395.300978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.306514] ? check_preemption_disabled+0x48/0x280 [ 395.311527] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 395.317060] ? rcu_pm_notify+0xc0/0xc0 [ 395.320942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.326477] ? check_preemption_disabled+0x48/0x280 [ 395.331489] run_timer_softirq+0x52/0xb0 [ 395.335543] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.340555] __do_softirq+0x308/0xb7e [ 395.344350] ? trace_hardirqs_on_caller+0xc0/0x310 [ 395.349283] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 395.354382] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.359830] ? schedule+0x108/0x460 [ 395.363464] ? trace_hardirqs_off+0xb8/0x310 [ 395.368190] ? smpboot_thread_fn+0x68b/0xa00 [ 395.372598] ? trace_hardirqs_on+0x310/0x310 [ 395.376999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.382529] ? check_preemption_disabled+0x48/0x280 [ 395.387546] ? takeover_tasklets+0xa90/0xa90 [ 395.391962] run_ksoftirqd+0x5e/0x100 [ 395.395757] smpboot_thread_fn+0x68b/0xa00 [ 395.399990] ? sort_range+0x30/0x30 [ 395.403611] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 395.408710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.414263] ? __kthread_parkme+0xfb/0x1a0 [ 395.418492] ? sort_range+0x30/0x30 [ 395.422118] kthread+0x35a/0x440 [ 395.425481] ? kthread_stop+0x900/0x900 [ 395.429452] ret_from_fork+0x3a/0x50 [ 395.433178] warn_alloc_show_mem: 1 callbacks suppressed [ 395.433187] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 395.433189] Mem-Info: [ 395.433219] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 395.433219] active_file:10 inactive_file:14 isolated_file:0 [ 395.433219] unevictable:0 dirty:0 writeback:0 unstable:0 [ 395.433219] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 395.433219] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 395.433219] free:13688 free_pcp:208 free_cma:0 [ 395.438552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.445405] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 395.447795] Call Trace: [ 395.481116] 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 [ 395.490466] dump_stack+0x244/0x39d [ 395.518108] lowmem_reserve[]: 0 2818 6321 6321 [ 395.520689] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.546779] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 395.550403] warn_alloc.cold.116+0xb7/0x1bd [ 395.554947] lowmem_reserve[]: 0 0 3503 3503 [ 395.560127] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.587697] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 395.592012] ? lock_downgrade+0x900/0x900 [ 395.596302] lowmem_reserve[]: 0 0 0 0 [ 395.601142] ? trace_hardirqs_off+0xb8/0x310 [ 395.630102] 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 [ 395.634266] ? trace_hardirqs_off+0xb8/0x310 [ 395.638054] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 395.642461] __alloc_pages_slowpath+0x26e8/0x2e10 [ 395.655950] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 395.660376] ? warn_alloc+0x120/0x120 [ 395.676316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.681147] ? warn_alloc+0x120/0x120 [ 395.696035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.699818] ? warn_alloc+0x120/0x120 [ 395.708634] 1671 total pagecache pages [ 395.712419] ? find_held_lock+0x36/0x1c0 [ 395.720972] 0 pages in swap cache [ 395.724751] ? print_usage_bug+0xc0/0xc0 [ 395.728614] Swap cache stats: add 0, delete 0, find 0/0 [ 395.732661] ? print_usage_bug+0xc0/0xc0 [ 395.736092] Free swap = 0kB [ 395.740149] ? mark_held_locks+0x130/0x130 [ 395.745481] Total swap = 0kB [ 395.749526] ? mark_held_locks+0x130/0x130 [ 395.752515] 1965979 pages RAM [ 395.756757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.759779] 0 pages HighMem/MovableOnly [ 395.763999] ? should_fail+0x22d/0xd01 [ 395.767082] 342853 pages reserved [ 395.773147] ? zap_class+0x640/0x640 [ 395.773165] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.777110] 0 pages cma reserved [ 395.780983] ? __lock_acquire+0x62f/0x4c20 [ 395.784534] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.788112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.793184] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 395.796539] ? __lock_acquire+0x62f/0x4c20 [ 395.825013] ? should_fail+0x22d/0xd01 [ 395.828902] ? mark_held_locks+0x130/0x130 [ 395.833153] ? mark_held_locks+0x130/0x130 [ 395.837391] ? lock_downgrade+0x900/0x900 [ 395.841534] ? zap_class+0x640/0x640 [ 395.845261] ? zap_class+0x640/0x640 [ 395.848963] ? do_raw_spin_unlock+0xa7/0x330 [ 395.853373] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 395.858127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.863662] ? check_preemption_disabled+0x48/0x280 [ 395.869174] ? __lock_is_held+0xb5/0x140 [ 395.873235] __alloc_pages_nodemask+0xa80/0xde0 [ 395.877897] ? zap_class+0x640/0x640 [ 395.881613] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 395.886637] ? find_held_lock+0x36/0x1c0 [ 395.890705] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.895977] ? lock_downgrade+0x900/0x900 [ 395.900128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.905661] cache_grow_begin+0xa5/0x8c0 [ 395.909715] ? do_raw_spin_unlock+0xa7/0x330 [ 395.914125] fallback_alloc+0x204/0x2e0 [ 395.918098] ____cache_alloc_node+0x1c7/0x1e0 [ 395.922590] kmem_cache_alloc_node+0xe3/0x730 [ 395.927084] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.931687] __alloc_skb+0x119/0x770 [ 395.935394] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 395.940756] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.945164] ? vprintk_default+0x28/0x30 [ 395.949221] ? vprintk_func+0x85/0x181 [ 395.953106] ? printk+0xa7/0xcf [ 395.956393] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 395.961151] new_skb+0x26/0x1c0 [ 395.964425] aoecmd_cfg+0x279/0x7f0 [ 395.968412] ? find_held_lock+0x36/0x1c0 [ 395.972475] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 395.976816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.982358] ? __lock_is_held+0xb5/0x140 [ 395.986426] discover_timer+0x50/0x60 [ 395.990222] call_timer_fn+0x272/0x920 [ 395.994108] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 395.998949] ? process_timeout+0x40/0x40 [ 396.003013] ? __run_timers+0x7da/0xc70 [ 396.006982] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.011469] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.015971] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 396.020816] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.025396] ? trace_hardirqs_on+0xbd/0x310 [ 396.029714] ? kasan_check_read+0x11/0x20 [ 396.033857] ? __run_timers+0x7da/0xc70 [ 396.037839] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.042949] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 396.047783] __run_timers+0x7e5/0xc70 [ 396.051589] ? timer_fixup_init+0x70/0x70 [ 396.055732] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.060225] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.064715] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 396.070004] ? trace_hardirqs_on+0xbd/0x310 [ 396.074320] ? kasan_check_read+0x11/0x20 [ 396.078481] ? finish_task_switch+0x1f4/0x910 [ 396.082973] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.088076] ? compat_start_thread+0x80/0x80 [ 396.092503] ? pvclock_read_flags+0x160/0x160 [ 396.096988] ? __switch_to_asm+0x34/0x70 [ 396.101053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.106589] ? check_preemption_disabled+0x48/0x280 [ 396.111608] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 396.117154] ? rcu_pm_notify+0xc0/0xc0 [ 396.121047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.126582] ? check_preemption_disabled+0x48/0x280 [ 396.131595] run_timer_softirq+0x52/0xb0 [ 396.135653] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.140667] __do_softirq+0x308/0xb7e [ 396.144470] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.149919] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.155054] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.160507] ? schedule+0x108/0x460 [ 396.164133] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.169650] ? trace_hardirqs_off+0xb8/0x310 [ 396.174061] ? smpboot_thread_fn+0x68b/0xa00 [ 396.178466] ? trace_hardirqs_on+0x310/0x310 [ 396.182894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.188449] ? check_preemption_disabled+0x48/0x280 [ 396.193466] ? takeover_tasklets+0xa90/0xa90 [ 396.197867] run_ksoftirqd+0x5e/0x100 [ 396.201663] smpboot_thread_fn+0x68b/0xa00 [ 396.205908] ? sort_range+0x30/0x30 [ 396.209531] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.214631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.220160] ? __kthread_parkme+0xfb/0x1a0 [ 396.224397] ? sort_range+0x30/0x30 [ 396.228021] kthread+0x35a/0x440 [ 396.231389] ? kthread_stop+0x900/0x900 [ 396.235359] ret_from_fork+0x3a/0x50 [ 396.239086] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 396.239150] aoe: skb alloc failure [ 396.245840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.245845] Call Trace: [ 396.245863] dump_stack+0x244/0x39d [ 396.245882] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.249417] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.258745] warn_alloc.cold.116+0xb7/0x1bd [ 396.261294] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 396.264924] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.294678] ? lock_downgrade+0x900/0x900 [ 396.298833] ? trace_hardirqs_off+0xb8/0x310 [ 396.303239] ? trace_hardirqs_off+0xb8/0x310 [ 396.307648] __alloc_pages_slowpath+0x26e8/0x2e10 [ 396.312614] ? warn_alloc+0x120/0x120 [ 396.316412] ? warn_alloc+0x120/0x120 [ 396.320216] ? __bfs+0xb0/0x780 [ 396.323593] ? warn_alloc+0x120/0x120 [ 396.327401] ? print_usage_bug+0xc0/0xc0 [ 396.331458] ? lockdep_on+0x50/0x50 [ 396.335082] ? print_usage_bug+0xc0/0xc0 [ 396.339142] ? print_bfs_bug+0x80/0x80 [ 396.343038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.348569] ? should_fail+0x22d/0xd01 [ 396.352458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.357557] ? __lock_acquire+0x62f/0x4c20 [ 396.361789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.366890] ? __lock_acquire+0x62f/0x4c20 [ 396.371628] ? should_fail+0x22d/0xd01 [ 396.375537] ? mark_held_locks+0x130/0x130 [ 396.379770] ? mark_held_locks+0x130/0x130 [ 396.384008] ? zap_class+0x640/0x640 [ 396.387723] ? ret_from_fork+0x3a/0x50 [ 396.391611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.397143] ? check_preemption_disabled+0x48/0x280 [ 396.402163] ? __lock_is_held+0xb5/0x140 [ 396.406225] __alloc_pages_nodemask+0xa80/0xde0 [ 396.410906] ? zap_class+0x640/0x640 [ 396.414620] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 396.419654] ? find_held_lock+0x36/0x1c0 [ 396.423722] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.428387] ? lock_downgrade+0x900/0x900 [ 396.432539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.438076] cache_grow_begin+0xa5/0x8c0 [ 396.442133] ? do_raw_spin_unlock+0xa7/0x330 [ 396.446545] fallback_alloc+0x204/0x2e0 [ 396.450520] ____cache_alloc_node+0x1c7/0x1e0 [ 396.455043] kmem_cache_alloc_node+0xe3/0x730 [ 396.459536] ? mark_held_locks+0xc7/0x130 [ 396.463686] __alloc_skb+0x119/0x770 [ 396.467412] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.472085] ? do_raw_spin_trylock+0x270/0x270 [ 396.476662] ? kmem_cache_alloc_trace+0x353/0x750 [ 396.481501] ? queue_work_on+0x12c/0x1e0 [ 396.485562] ? switchdev_port_obj_del+0xdc/0x440 [ 396.490323] ? switchdev_trans_item_enqueue+0x260/0x260 [ 396.495684] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 396.500702] __br_mdb_notify+0x4ff/0x15d0 [ 396.504857] ? __br_mdb_add+0x7f0/0x7f0 [ 396.508833] ? zap_class+0x640/0x640 [ 396.512554] ? br_multicast_group_expired+0x96/0x610 [ 396.517667] ? lock_downgrade+0x900/0x900 [ 396.521810] br_mdb_notify+0x310/0x410 [ 396.525710] ? br_mdb_dump+0x27b0/0x27b0 [ 396.529769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.535310] br_multicast_group_expired+0x1bc/0x610 [ 396.540325] ? br_mdb_free+0x80/0x80 [ 396.544046] call_timer_fn+0x272/0x920 [ 396.547926] ? br_mdb_free+0x80/0x80 [ 396.551638] ? process_timeout+0x40/0x40 [ 396.555702] ? __run_timers+0x7da/0xc70 [ 396.559676] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.564180] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.568944] ? br_mdb_free+0x80/0x80 [ 396.572741] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.577323] ? trace_hardirqs_on+0xbd/0x310 [ 396.581638] ? kasan_check_read+0x11/0x20 [ 396.585780] ? __run_timers+0x7da/0xc70 [ 396.589748] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.594864] ? br_mdb_free+0x80/0x80 [ 396.598580] ? br_mdb_free+0x80/0x80 [ 396.602286] __run_timers+0x7e5/0xc70 [ 396.606090] ? timer_fixup_init+0x70/0x70 [ 396.610236] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.614735] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.619227] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 396.623808] ? trace_hardirqs_on+0xbd/0x310 [ 396.628139] ? kasan_check_read+0x11/0x20 [ 396.632286] ? finish_task_switch+0x1f4/0x910 [ 396.636780] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.641878] ? compat_start_thread+0x80/0x80 [ 396.646313] ? pvclock_read_flags+0x160/0x160 [ 396.650801] ? __switch_to_asm+0x34/0x70 [ 396.654861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.660393] ? check_preemption_disabled+0x48/0x280 [ 396.665410] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 396.671285] ? rcu_pm_notify+0xc0/0xc0 [ 396.675167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.680701] ? check_preemption_disabled+0x48/0x280 [ 396.685715] run_timer_softirq+0x52/0xb0 [ 396.689776] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.694787] __do_softirq+0x308/0xb7e [ 396.698587] ? trace_hardirqs_on_caller+0xc0/0x310 [ 396.703515] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.708610] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.714062] ? schedule+0x108/0x460 [ 396.717694] ? trace_hardirqs_off+0xb8/0x310 [ 396.722099] ? smpboot_thread_fn+0x68b/0xa00 [ 396.726585] ? trace_hardirqs_on+0x310/0x310 [ 396.730998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.736530] ? check_preemption_disabled+0x48/0x280 [ 396.741542] ? takeover_tasklets+0xa90/0xa90 [ 396.745948] run_ksoftirqd+0x5e/0x100 [ 396.749747] smpboot_thread_fn+0x68b/0xa00 [ 396.753988] ? sort_range+0x30/0x30 [ 396.757608] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.762705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.768543] ? __kthread_parkme+0xfb/0x1a0 [ 396.772774] ? sort_range+0x30/0x30 [ 396.776395] kthread+0x35a/0x440 [ 396.779774] ? kthread_stop+0x900/0x900 [ 396.783754] ret_from_fork+0x3a/0x50 [ 396.787474] warn_alloc_show_mem: 1 callbacks suppressed [ 396.787483] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 396.787484] Mem-Info: [ 396.787516] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 396.787516] active_file:10 inactive_file:14 isolated_file:0 [ 396.787516] unevictable:0 dirty:0 writeback:0 unstable:0 [ 396.787516] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 396.787516] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 396.787516] free:13688 free_pcp:208 free_cma:0 [ 396.792846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.799694] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 396.802082] Call Trace: [ 396.835229] 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 [ 396.844578] dump_stack+0x244/0x39d [ 396.872749] lowmem_reserve[]: 0 2818 6321 6321 [ 396.875336] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.901409] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 396.905049] warn_alloc.cold.116+0xb7/0x1bd [ 396.909587] lowmem_reserve[]: 0 0 3503 3503 [ 396.914787] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.942622] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 396.946936] ? lock_downgrade+0x900/0x900 [ 396.951227] lowmem_reserve[]: 0 0 0 0 [ 396.956064] ? trace_hardirqs_off+0xb8/0x310 [ 396.985313] 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 [ 396.989460] ? trace_hardirqs_off+0xb8/0x310 [ 396.993247] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 396.997652] __alloc_pages_slowpath+0x26e8/0x2e10 [ 397.011156] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 397.016079] ? warn_alloc+0x120/0x120 [ 397.031734] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 397.036562] ? warn_alloc+0x120/0x120 [ 397.051446] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 397.055238] ? warn_alloc+0x120/0x120 [ 397.064044] 1671 total pagecache pages [ 397.068536] ? find_held_lock+0x36/0x1c0 [ 397.077093] 0 pages in swap cache [ 397.080877] ? print_usage_bug+0xc0/0xc0 [ 397.084742] Swap cache stats: add 0, delete 0, find 0/0 [ 397.088787] ? print_usage_bug+0xc0/0xc0 [ 397.092217] Free swap = 0kB [ 397.096276] ? mark_held_locks+0x130/0x130 [ 397.101607] Total swap = 0kB [ 397.101615] 1965979 pages RAM [ 397.105667] ? mark_held_locks+0x130/0x130 [ 397.108660] 0 pages HighMem/MovableOnly [ 397.112892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.115880] 342853 pages reserved [ 397.118978] ? should_fail+0x22d/0xd01 [ 397.123184] 0 pages cma reserved [ 397.127157] ? zap_class+0x640/0x640 [ 397.132794] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.136122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.140007] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 397.143373] ? __lock_acquire+0x62f/0x4c20 [ 397.171820] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.176921] ? __lock_acquire+0x62f/0x4c20 [ 397.181153] ? should_fail+0x22d/0xd01 [ 397.185046] ? mark_held_locks+0x130/0x130 [ 397.189279] ? mark_held_locks+0x130/0x130 [ 397.193509] ? lock_downgrade+0x900/0x900 [ 397.197654] ? zap_class+0x640/0x640 [ 397.201454] ? zap_class+0x640/0x640 [ 397.205176] ? zap_class+0x640/0x640 [ 397.208886] ? do_raw_spin_unlock+0xa7/0x330 [ 397.213289] ? trace_hardirqs_on+0x310/0x310 [ 397.217694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.223330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.228862] ? check_preemption_disabled+0x48/0x280 [ 397.233885] ? __lock_is_held+0xb5/0x140 [ 397.237960] __alloc_pages_nodemask+0xa80/0xde0 [ 397.242628] ? zap_class+0x640/0x640 [ 397.246343] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 397.251364] ? find_held_lock+0x36/0x1c0 [ 397.255433] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.260096] ? lock_downgrade+0x900/0x900 [ 397.264245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.270509] cache_grow_begin+0xa5/0x8c0 [ 397.274563] ? do_raw_spin_unlock+0xa7/0x330 [ 397.278976] fallback_alloc+0x204/0x2e0 [ 397.282958] ____cache_alloc_node+0x1c7/0x1e0 [ 397.287467] kmem_cache_alloc_node+0xe3/0x730 [ 397.291966] ? lockdep_hardirqs_on+0x296/0x5b0 [ 397.296553] __alloc_skb+0x119/0x770 [ 397.300260] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 397.305624] ? netdev_alloc_frag+0x1f0/0x1f0 [ 397.310041] ? vprintk_default+0x28/0x30 [ 397.314100] ? vprintk_func+0x85/0x181 [ 397.317985] ? printk+0xa7/0xcf [ 397.321264] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 397.326024] new_skb+0x26/0x1c0 [ 397.329301] aoecmd_cfg+0x279/0x7f0 [ 397.332925] ? find_held_lock+0x36/0x1c0 [ 397.336994] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 397.341318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.346863] ? __lock_is_held+0xb5/0x140 [ 397.350953] discover_timer+0x50/0x60 [ 397.354748] call_timer_fn+0x272/0x920 [ 397.358631] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 397.363470] ? process_timeout+0x40/0x40 [ 397.368252] ? __run_timers+0x7da/0xc70 [ 397.372227] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.376717] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.381208] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 397.386046] ? lockdep_hardirqs_on+0x296/0x5b0 [ 397.390623] ? trace_hardirqs_on+0xbd/0x310 [ 397.394946] ? kasan_check_read+0x11/0x20 [ 397.399091] ? __run_timers+0x7da/0xc70 [ 397.403060] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.408188] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 397.413024] __run_timers+0x7e5/0xc70 [ 397.416831] ? timer_fixup_init+0x70/0x70 [ 397.420976] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.425463] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.429957] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 397.434535] ? trace_hardirqs_on+0xbd/0x310 [ 397.438853] ? kasan_check_read+0x11/0x20 [ 397.443005] ? finish_task_switch+0x1f4/0x910 [ 397.447497] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.452595] ? compat_start_thread+0x80/0x80 [ 397.457019] ? pvclock_read_flags+0x160/0x160 [ 397.461504] ? __switch_to_asm+0x34/0x70 [ 397.465562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.471623] ? check_preemption_disabled+0x48/0x280 [ 397.476641] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 397.482174] ? rcu_pm_notify+0xc0/0xc0 [ 397.486055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.491587] ? check_preemption_disabled+0x48/0x280 [ 397.496603] run_timer_softirq+0x52/0xb0 [ 397.500656] ? rcu_read_lock_sched_held+0x14f/0x180 [ 397.505668] __do_softirq+0x308/0xb7e [ 397.509474] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.514928] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 397.520030] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.525502] ? schedule+0x108/0x460 [ 397.529124] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 397.533884] ? trace_hardirqs_off+0xb8/0x310 [ 397.538295] ? smpboot_thread_fn+0x68b/0xa00 [ 397.542703] ? trace_hardirqs_on+0x310/0x310 [ 397.547113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.552645] ? check_preemption_disabled+0x48/0x280 [ 397.557761] ? takeover_tasklets+0xa90/0xa90 [ 397.562164] run_ksoftirqd+0x5e/0x100 [ 397.565962] smpboot_thread_fn+0x68b/0xa00 [ 397.570741] ? sort_range+0x30/0x30 [ 397.574365] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.579475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.585008] ? __kthread_parkme+0xfb/0x1a0 [ 397.589241] ? sort_range+0x30/0x30 [ 397.592867] kthread+0x35a/0x440 [ 397.596232] ? kthread_stop+0x900/0x900 [ 397.600207] ret_from_fork+0x3a/0x50 [ 397.603940] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 397.604002] aoe: skb alloc failure [ 397.610709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.610714] Call Trace: [ 397.610732] dump_stack+0x244/0x39d [ 397.610750] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.614288] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.623615] warn_alloc.cold.116+0xb7/0x1bd [ 397.626171] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 397.629785] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.659031] ? lock_downgrade+0x900/0x900 [ 397.663189] ? trace_hardirqs_off+0xb8/0x310 [ 397.667934] ? trace_hardirqs_off+0xb8/0x310 [ 397.672346] __alloc_pages_slowpath+0x26e8/0x2e10 [ 397.677213] ? warn_alloc+0x120/0x120 [ 397.681018] ? warn_alloc+0x120/0x120 [ 397.684814] ? __bfs+0xb0/0x780 [ 397.688090] ? warn_alloc+0x120/0x120 [ 397.691914] ? print_usage_bug+0xc0/0xc0 [ 397.695969] ? lockdep_on+0x50/0x50 [ 397.699598] ? print_usage_bug+0xc0/0xc0 [ 397.703660] ? print_bfs_bug+0x80/0x80 [ 397.707550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.713085] ? should_fail+0x22d/0xd01 [ 397.716978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.722077] ? __lock_acquire+0x62f/0x4c20 [ 397.726312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.731495] ? __lock_acquire+0x62f/0x4c20 [ 397.735725] ? should_fail+0x22d/0xd01 [ 397.739615] ? mark_held_locks+0x130/0x130 [ 397.743853] ? mark_held_locks+0x130/0x130 [ 397.748091] ? zap_class+0x640/0x640 [ 397.751801] ? ret_from_fork+0x3a/0x50 [ 397.755687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.761219] ? check_preemption_disabled+0x48/0x280 [ 397.766234] ? __lock_is_held+0xb5/0x140 [ 397.770640] __alloc_pages_nodemask+0xa80/0xde0 [ 397.775311] ? zap_class+0x640/0x640 [ 397.779022] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 397.784043] ? find_held_lock+0x36/0x1c0 [ 397.788104] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.792770] ? lock_downgrade+0x900/0x900 [ 397.796921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.802454] cache_grow_begin+0xa5/0x8c0 [ 397.806509] ? do_raw_spin_unlock+0xa7/0x330 [ 397.810925] fallback_alloc+0x204/0x2e0 [ 397.814905] ____cache_alloc_node+0x1c7/0x1e0 [ 397.819405] kmem_cache_alloc_node+0xe3/0x730 [ 397.823906] ? mark_held_locks+0xc7/0x130 [ 397.828062] __alloc_skb+0x119/0x770 [ 397.831774] ? netdev_alloc_frag+0x1f0/0x1f0 [ 397.836174] ? do_raw_spin_trylock+0x270/0x270 [ 397.840759] ? kmem_cache_alloc_trace+0x353/0x750 [ 397.845600] ? queue_work_on+0x12c/0x1e0 [ 397.849665] ? switchdev_port_obj_del+0xdc/0x440 [ 397.854418] ? switchdev_trans_item_enqueue+0x260/0x260 [ 397.859865] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 397.864881] __br_mdb_notify+0x4ff/0x15d0 [ 397.869367] ? __br_mdb_add+0x7f0/0x7f0 [ 397.873338] ? zap_class+0x640/0x640 [ 397.877050] ? br_multicast_group_expired+0x96/0x610 [ 397.882161] ? lock_downgrade+0x900/0x900 [ 397.886310] br_mdb_notify+0x310/0x410 [ 397.890205] ? br_mdb_dump+0x27b0/0x27b0 [ 397.894264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.899905] br_multicast_group_expired+0x1bc/0x610 [ 397.904922] ? br_mdb_free+0x80/0x80 [ 397.908643] call_timer_fn+0x272/0x920 [ 397.912524] ? br_mdb_free+0x80/0x80 [ 397.916234] ? process_timeout+0x40/0x40 [ 397.920295] ? __run_timers+0x7da/0xc70 [ 397.924267] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.928757] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.933243] ? br_mdb_free+0x80/0x80 [ 397.936950] ? lockdep_hardirqs_on+0x296/0x5b0 [ 397.941528] ? trace_hardirqs_on+0xbd/0x310 [ 397.945843] ? kasan_check_read+0x11/0x20 [ 397.949984] ? __run_timers+0x7da/0xc70 [ 397.953953] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.959056] ? br_mdb_free+0x80/0x80 [ 397.962771] ? br_mdb_free+0x80/0x80 [ 397.966480] __run_timers+0x7e5/0xc70 [ 397.970579] ? timer_fixup_init+0x70/0x70 [ 397.974722] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.979215] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.983707] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 397.988285] ? trace_hardirqs_on+0xbd/0x310 [ 397.992601] ? kasan_check_read+0x11/0x20 [ 397.996745] ? finish_task_switch+0x1f4/0x910 [ 398.001235] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.006333] ? compat_start_thread+0x80/0x80 [ 398.010755] ? pvclock_read_flags+0x160/0x160 [ 398.015241] ? __switch_to_asm+0x34/0x70 [ 398.019402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.024936] ? check_preemption_disabled+0x48/0x280 [ 398.029958] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 398.035491] ? rcu_pm_notify+0xc0/0xc0 [ 398.039374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.044908] ? check_preemption_disabled+0x48/0x280 [ 398.049934] run_timer_softirq+0x52/0xb0 [ 398.053991] ? rcu_read_lock_sched_held+0x14f/0x180 [ 398.059021] __do_softirq+0x308/0xb7e [ 398.062824] ? trace_hardirqs_on_caller+0xc0/0x310 [ 398.068046] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 398.073160] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.078610] ? schedule+0x108/0x460 [ 398.082240] ? trace_hardirqs_off+0xb8/0x310 [ 398.086645] ? smpboot_thread_fn+0x68b/0xa00 [ 398.091048] ? trace_hardirqs_on+0x310/0x310 [ 398.095451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.100981] ? check_preemption_disabled+0x48/0x280 [ 398.105996] ? takeover_tasklets+0xa90/0xa90 [ 398.110402] run_ksoftirqd+0x5e/0x100 [ 398.114197] smpboot_thread_fn+0x68b/0xa00 [ 398.118432] ? sort_range+0x30/0x30 [ 398.122055] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 398.127153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.132702] ? __kthread_parkme+0xfb/0x1a0 [ 398.136937] ? sort_range+0x30/0x30 [ 398.140581] kthread+0x35a/0x440 [ 398.143944] ? kthread_stop+0x900/0x900 [ 398.147912] ret_from_fork+0x3a/0x50 [ 398.151632] warn_alloc_show_mem: 1 callbacks suppressed [ 398.151641] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 398.151643] Mem-Info: [ 398.151674] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 398.151674] active_file:10 inactive_file:14 isolated_file:0 [ 398.151674] unevictable:0 dirty:0 writeback:0 unstable:0 [ 398.151674] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 398.151674] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 398.151674] free:13688 free_pcp:208 free_cma:0 [ 398.157003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.157010] Call Trace: [ 398.163848] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 398.166243] dump_stack+0x244/0x39d [ 398.199533] 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 [ 398.208890] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.211442] lowmem_reserve[]: 0 2818 6321 6321 [ 398.239108] warn_alloc.cold.116+0xb7/0x1bd [ 398.242704] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 398.269379] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.274540] lowmem_reserve[]: 0 0 3503 3503 [ 398.279114] ? lock_downgrade+0x900/0x900 [ 398.283407] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 398.310725] ? trace_hardirqs_off+0xb8/0x310 [ 398.315549] lowmem_reserve[]: 0 0 0 0 [ 398.319883] ? trace_hardirqs_off+0xb8/0x310 [ 398.324003] 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 [ 398.352985] __alloc_pages_slowpath+0x26e8/0x2e10 [ 398.357376] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 398.361196] ? warn_alloc+0x120/0x120 [ 398.365558] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 398.379539] ? warn_alloc+0x120/0x120 [ 398.384359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 398.400035] ? warn_alloc+0x120/0x120 [ 398.403813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 398.418705] ? find_held_lock+0x36/0x1c0 [ 398.422477] 1671 total pagecache pages [ 398.431313] ? print_usage_bug+0xc0/0xc0 [ 398.435096] 0 pages in swap cache [ 398.443647] ? print_usage_bug+0xc0/0xc0 [ 398.447695] Swap cache stats: add 0, delete 0, find 0/0 [ 398.451565] ? mark_held_locks+0x130/0x130 [ 398.455601] Free swap = 0kB [ 398.459040] ? mark_held_locks+0x130/0x130 [ 398.463073] Total swap = 0kB [ 398.468923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.473127] 1965979 pages RAM [ 398.476141] ? should_fail+0x22d/0xd01 [ 398.480350] 0 pages HighMem/MovableOnly [ 398.483356] ? zap_class+0x640/0x640 [ 398.488863] 342853 pages reserved [ 398.491957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.495815] 0 pages cma reserved [ 398.499781] ? __lock_acquire+0x62f/0x4c20 [ 398.503623] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.506906] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.511981] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 398.515333] ? __lock_acquire+0x62f/0x4c20 [ 398.543803] ? should_fail+0x22d/0xd01 [ 398.547703] ? mark_held_locks+0x130/0x130 [ 398.551937] ? mark_held_locks+0x130/0x130 [ 398.556262] ? lock_downgrade+0x900/0x900 [ 398.560404] ? zap_class+0x640/0x640 [ 398.564113] ? zap_class+0x640/0x640 [ 398.568308] ? zap_class+0x640/0x640 [ 398.572017] ? do_raw_spin_unlock+0xa7/0x330 [ 398.576421] ? trace_hardirqs_on+0x310/0x310 [ 398.580834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.586369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.591902] ? check_preemption_disabled+0x48/0x280 [ 398.596926] ? __lock_is_held+0xb5/0x140 [ 398.600988] __alloc_pages_nodemask+0xa80/0xde0 [ 398.605655] ? zap_class+0x640/0x640 [ 398.609379] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 398.614402] ? find_held_lock+0x36/0x1c0 [ 398.618467] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.623133] ? lock_downgrade+0x900/0x900 [ 398.627456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.633009] cache_grow_begin+0xa5/0x8c0 [ 398.637067] ? do_raw_spin_unlock+0xa7/0x330 [ 398.641477] fallback_alloc+0x204/0x2e0 [ 398.645450] ____cache_alloc_node+0x1c7/0x1e0 [ 398.649944] kmem_cache_alloc_node+0xe3/0x730 [ 398.654437] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.659035] __alloc_skb+0x119/0x770 [ 398.662745] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 398.668911] ? netdev_alloc_frag+0x1f0/0x1f0 [ 398.673326] ? vprintk_default+0x28/0x30 [ 398.677396] ? vprintk_func+0x85/0x181 [ 398.681277] ? printk+0xa7/0xcf [ 398.684550] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 398.689312] new_skb+0x26/0x1c0 [ 398.692596] aoecmd_cfg+0x279/0x7f0 [ 398.696223] ? find_held_lock+0x36/0x1c0 [ 398.700282] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 398.704607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.710147] ? __lock_is_held+0xb5/0x140 [ 398.714214] discover_timer+0x50/0x60 [ 398.718009] call_timer_fn+0x272/0x920 [ 398.721889] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 398.726723] ? process_timeout+0x40/0x40 [ 398.730782] ? __run_timers+0x7da/0xc70 [ 398.734757] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.739260] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.743749] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 398.748592] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.753170] ? trace_hardirqs_on+0xbd/0x310 [ 398.757487] ? kasan_check_read+0x11/0x20 [ 398.761630] ? __run_timers+0x7da/0xc70 [ 398.765596] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.771453] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 398.776296] __run_timers+0x7e5/0xc70 [ 398.780102] ? timer_fixup_init+0x70/0x70 [ 398.784270] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.788759] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.793250] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 398.797833] ? trace_hardirqs_on+0xbd/0x310 [ 398.802154] ? kasan_check_read+0x11/0x20 [ 398.806299] ? finish_task_switch+0x1f4/0x910 [ 398.810789] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.815893] ? compat_start_thread+0x80/0x80 [ 398.820318] ? pvclock_read_flags+0x160/0x160 [ 398.824813] ? __switch_to_asm+0x34/0x70 [ 398.828868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.834403] ? check_preemption_disabled+0x48/0x280 [ 398.839423] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 398.844958] ? rcu_pm_notify+0xc0/0xc0 [ 398.849032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.854574] ? check_preemption_disabled+0x48/0x280 [ 398.859589] run_timer_softirq+0x52/0xb0 [ 398.863648] ? rcu_read_lock_sched_held+0x14f/0x180 [ 398.869232] __do_softirq+0x308/0xb7e [ 398.873033] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.878484] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 398.883585] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.889042] ? schedule+0x108/0x460 [ 398.892663] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.897420] ? trace_hardirqs_off+0xb8/0x310 [ 398.901827] ? smpboot_thread_fn+0x68b/0xa00 [ 398.906237] ? trace_hardirqs_on+0x310/0x310 [ 398.910639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.916173] ? check_preemption_disabled+0x48/0x280 [ 398.921189] ? takeover_tasklets+0xa90/0xa90 [ 398.925684] run_ksoftirqd+0x5e/0x100 [ 398.929486] smpboot_thread_fn+0x68b/0xa00 [ 398.933717] ? sort_range+0x30/0x30 [ 398.937337] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 398.942539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.948075] ? __kthread_parkme+0xfb/0x1a0 [ 398.952306] ? sort_range+0x30/0x30 [ 398.955931] kthread+0x35a/0x440 [ 398.959296] ? kthread_stop+0x900/0x900 [ 398.963268] ret_from_fork+0x3a/0x50 [ 398.966996] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 398.967823] aoe: skb alloc failure [ 398.974030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.977613] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.986890] Call Trace: [ 398.997181] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 398.999758] dump_stack+0x244/0x39d [ 399.008016] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.013362] warn_alloc.cold.116+0xb7/0x1bd [ 399.017676] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.022536] ? lock_downgrade+0x900/0x900 [ 399.026689] ? trace_hardirqs_off+0xb8/0x310 [ 399.031115] ? trace_hardirqs_off+0xb8/0x310 [ 399.035543] __alloc_pages_slowpath+0x26e8/0x2e10 [ 399.040405] ? warn_alloc+0x120/0x120 [ 399.044207] ? warn_alloc+0x120/0x120 [ 399.048008] ? warn_alloc+0x120/0x120 [ 399.051814] ? print_usage_bug+0xc0/0xc0 [ 399.055872] ? print_usage_bug+0xc0/0xc0 [ 399.059933] ? print_usage_bug+0xc0/0xc0 [ 399.063999] ? check_preemption_disabled+0x48/0x280 [ 399.069335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.074872] ? should_fail+0x22d/0xd01 [ 399.078760] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.083865] ? __lock_acquire+0x62f/0x4c20 [ 399.088099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.093196] ? __lock_acquire+0x62f/0x4c20 [ 399.097439] ? should_fail+0x22d/0xd01 [ 399.101329] ? mark_held_locks+0x130/0x130 [ 399.105566] ? mark_held_locks+0x130/0x130 [ 399.109810] ? zap_class+0x640/0x640 [ 399.113516] ? print_usage_bug+0xc0/0xc0 [ 399.117570] ? mark_held_locks+0x130/0x130 [ 399.121805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.127337] ? check_preemption_disabled+0x48/0x280 [ 399.132357] ? __lock_is_held+0xb5/0x140 [ 399.136419] __alloc_pages_nodemask+0xa80/0xde0 [ 399.141093] ? zap_class+0x640/0x640 [ 399.144808] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 399.149847] ? find_held_lock+0x36/0x1c0 [ 399.153911] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.158577] ? lock_downgrade+0x900/0x900 [ 399.162727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.168554] cache_grow_begin+0xa5/0x8c0 [ 399.172610] ? do_raw_spin_unlock+0xa7/0x330 [ 399.177023] fallback_alloc+0x204/0x2e0 [ 399.181004] ____cache_alloc_node+0x1c7/0x1e0 [ 399.185513] kmem_cache_alloc_node+0xe3/0x730 [ 399.190004] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.194247] __alloc_skb+0x119/0x770 [ 399.197959] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.203234] ? netdev_alloc_frag+0x1f0/0x1f0 [ 399.207640] ? lock_downgrade+0x900/0x900 [ 399.211794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.217326] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.222811] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.228254] ? addrconf_rs_timer+0x690/0x690 [ 399.232666] ndisc_alloc_skb+0x144/0x340 [ 399.236726] ndisc_send_rs+0x331/0x6e0 [ 399.240611] addrconf_rs_timer+0x314/0x690 [ 399.244841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.249085] call_timer_fn+0x272/0x920 [ 399.252966] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.257197] ? process_timeout+0x40/0x40 [ 399.261257] ? __run_timers+0x7da/0xc70 [ 399.265227] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.270002] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.274501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.278732] ? lockdep_hardirqs_on+0x296/0x5b0 [ 399.283318] ? trace_hardirqs_on+0xbd/0x310 [ 399.287633] ? kasan_check_read+0x11/0x20 [ 399.291777] ? __run_timers+0x7da/0xc70 [ 399.295748] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.300863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.305088] __run_timers+0x7e5/0xc70 [ 399.308894] ? timer_fixup_init+0x70/0x70 [ 399.313041] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.317531] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.322028] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 399.326609] ? trace_hardirqs_on+0xbd/0x310 [ 399.330928] ? kasan_check_read+0x11/0x20 [ 399.335077] ? finish_task_switch+0x1f4/0x910 [ 399.339568] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.344666] ? compat_start_thread+0x80/0x80 [ 399.349092] ? pvclock_read_flags+0x160/0x160 [ 399.353579] ? __switch_to_asm+0x34/0x70 [ 399.357639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.363174] ? check_preemption_disabled+0x48/0x280 [ 399.368535] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 399.374072] ? rcu_pm_notify+0xc0/0xc0 [ 399.377961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.383491] ? check_preemption_disabled+0x48/0x280 [ 399.388506] run_timer_softirq+0x52/0xb0 [ 399.392562] ? rcu_read_lock_sched_held+0x14f/0x180 [ 399.397590] __do_softirq+0x308/0xb7e [ 399.401395] ? trace_hardirqs_on_caller+0xc0/0x310 [ 399.406322] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 399.411436] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.416898] ? schedule+0x108/0x460 [ 399.420529] ? trace_hardirqs_off+0xb8/0x310 [ 399.424936] ? smpboot_thread_fn+0x68b/0xa00 [ 399.429339] ? trace_hardirqs_on+0x310/0x310 [ 399.433779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.439335] ? check_preemption_disabled+0x48/0x280 [ 399.444346] ? takeover_tasklets+0xa90/0xa90 [ 399.448757] run_ksoftirqd+0x5e/0x100 [ 399.452553] smpboot_thread_fn+0x68b/0xa00 [ 399.456784] ? sort_range+0x30/0x30 [ 399.460410] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.465534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.471509] ? __kthread_parkme+0xfb/0x1a0 [ 399.475750] ? sort_range+0x30/0x30 [ 399.479386] kthread+0x35a/0x440 [ 399.482754] ? kthread_stop+0x900/0x900 [ 399.486727] ret_from_fork+0x3a/0x50 [ 399.490452] warn_alloc_show_mem: 1 callbacks suppressed [ 399.490461] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 399.490463] Mem-Info: [ 399.490494] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 399.490494] active_file:10 inactive_file:14 isolated_file:0 [ 399.490494] unevictable:0 dirty:0 writeback:0 unstable:0 [ 399.490494] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 399.490494] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 399.490494] free:13688 free_pcp:208 free_cma:0 [ 399.495824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.495831] Call Trace: [ 399.502787] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 399.505187] dump_stack+0x244/0x39d [ 399.538208] 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 [ 399.547558] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.550122] lowmem_reserve[]: 0 2818 6321 6321 [ 399.578296] warn_alloc.cold.116+0xb7/0x1bd [ 399.581891] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 399.608000] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.608018] ? lock_downgrade+0x900/0x900 [ 399.613172] lowmem_reserve[]: 0 0 3503 3503 [ 399.617770] ? trace_hardirqs_off+0xb8/0x310 [ 399.622059] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 399.649389] ? trace_hardirqs_off+0xb8/0x310 [ 399.654295] lowmem_reserve[]: 0 0 0 0 [ 399.658442] __alloc_pages_slowpath+0x26e8/0x2e10 [ 399.662740] 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 [ 399.667159] ? warn_alloc+0x120/0x120 [ 399.696411] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 399.701168] ? warn_alloc+0x120/0x120 [ 399.704946] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 399.709804] ? warn_alloc+0x120/0x120 [ 399.723302] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 399.727099] ? find_held_lock+0x36/0x1c0 [ 399.742769] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 399.746552] ? print_usage_bug+0xc0/0xc0 [ 399.761437] 1671 total pagecache pages [ 399.765229] ? print_usage_bug+0xc0/0xc0 [ 399.774335] 0 pages in swap cache [ 399.778384] ? mark_held_locks+0x130/0x130 [ 399.786936] Swap cache stats: add 0, delete 0, find 0/0 [ 399.790988] ? mark_held_locks+0x130/0x130 [ 399.794852] Free swap = 0kB [ 399.798904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.802329] Total swap = 0kB [ 399.806551] ? should_fail+0x22d/0xd01 [ 399.811885] 1965979 pages RAM [ 399.816102] ? zap_class+0x640/0x640 [ 399.819087] 0 pages HighMem/MovableOnly [ 399.819094] 342853 pages reserved [ 399.824618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.827609] 0 pages cma reserved [ 399.831487] ? __lock_acquire+0x62f/0x4c20 [ 399.834626] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.838294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.838306] ? __lock_acquire+0x62f/0x4c20 [ 399.838321] ? should_fail+0x22d/0xd01 [ 399.842317] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.845723] ? mark_held_locks+0x130/0x130 [ 399.850789] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 399.854144] ? mark_held_locks+0x130/0x130 [ 399.902105] ? lock_downgrade+0x900/0x900 [ 399.906254] ? zap_class+0x640/0x640 [ 399.909968] ? zap_class+0x640/0x640 [ 399.913679] ? do_raw_spin_unlock+0xa7/0x330 [ 399.918091] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.922843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.928381] ? check_preemption_disabled+0x48/0x280 [ 399.933402] ? __lock_is_held+0xb5/0x140 [ 399.937467] __alloc_pages_nodemask+0xa80/0xde0 [ 399.942135] ? zap_class+0x640/0x640 [ 399.945847] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 399.950869] ? find_held_lock+0x36/0x1c0 [ 399.954938] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.959603] ? lock_downgrade+0x900/0x900 [ 399.963752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.969838] cache_grow_begin+0xa5/0x8c0 [ 399.973893] ? do_raw_spin_unlock+0xa7/0x330 [ 399.978302] fallback_alloc+0x204/0x2e0 [ 399.982281] ____cache_alloc_node+0x1c7/0x1e0 [ 399.986777] kmem_cache_alloc_node+0xe3/0x730 [ 399.991271] ? lockdep_hardirqs_on+0x296/0x5b0 [ 399.995886] __alloc_skb+0x119/0x770 [ 399.999594] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 400.004958] ? netdev_alloc_frag+0x1f0/0x1f0 [ 400.009369] ? vprintk_default+0x28/0x30 [ 400.013430] ? vprintk_func+0x85/0x181 [ 400.017315] ? printk+0xa7/0xcf [ 400.020588] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 400.025351] new_skb+0x26/0x1c0 [ 400.028625] aoecmd_cfg+0x279/0x7f0 [ 400.032248] ? find_held_lock+0x36/0x1c0 [ 400.036310] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 400.040645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.046201] ? __lock_is_held+0xb5/0x140 [ 400.050269] discover_timer+0x50/0x60 [ 400.054063] call_timer_fn+0x272/0x920 [ 400.057945] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 400.062785] ? process_timeout+0x40/0x40 [ 400.066847] ? __run_timers+0x7da/0xc70 [ 400.071568] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.076056] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.080547] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 400.085382] ? lockdep_hardirqs_on+0x296/0x5b0 [ 400.089961] ? trace_hardirqs_on+0xbd/0x310 [ 400.094274] ? kasan_check_read+0x11/0x20 [ 400.098411] ? __run_timers+0x7da/0xc70 [ 400.102381] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.107490] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 400.112330] __run_timers+0x7e5/0xc70 [ 400.116133] ? timer_fixup_init+0x70/0x70 [ 400.120273] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.124763] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.129270] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 400.133856] ? trace_hardirqs_on+0xbd/0x310 [ 400.138171] ? kasan_check_read+0x11/0x20 [ 400.142312] ? finish_task_switch+0x1f4/0x910 [ 400.146804] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.151901] ? compat_start_thread+0x80/0x80 [ 400.156321] ? pvclock_read_flags+0x160/0x160 [ 400.160808] ? __switch_to_asm+0x34/0x70 [ 400.164870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.170946] ? check_preemption_disabled+0x48/0x280 [ 400.175966] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 400.181499] ? rcu_pm_notify+0xc0/0xc0 [ 400.185386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.190919] ? check_preemption_disabled+0x48/0x280 [ 400.195939] run_timer_softirq+0x52/0xb0 [ 400.199999] ? rcu_read_lock_sched_held+0x14f/0x180 [ 400.205010] __do_softirq+0x308/0xb7e [ 400.208825] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.214814] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 400.219914] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.225368] ? schedule+0x108/0x460 [ 400.228994] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 400.233753] ? trace_hardirqs_off+0xb8/0x310 [ 400.238157] ? smpboot_thread_fn+0x68b/0xa00 [ 400.242560] ? trace_hardirqs_on+0x310/0x310 [ 400.246968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.252505] ? check_preemption_disabled+0x48/0x280 [ 400.257519] ? takeover_tasklets+0xa90/0xa90 [ 400.261923] run_ksoftirqd+0x5e/0x100 [ 400.265721] smpboot_thread_fn+0x68b/0xa00 [ 400.270509] ? sort_range+0x30/0x30 [ 400.274130] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.279228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.284766] ? __kthread_parkme+0xfb/0x1a0 [ 400.289033] ? sort_range+0x30/0x30 [ 400.292654] kthread+0x35a/0x440 [ 400.296027] ? kthread_stop+0x900/0x900 [ 400.299996] ret_from_fork+0x3a/0x50 [ 400.303737] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 400.303798] aoe: skb alloc failure [ 400.310480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.310486] Call Trace: [ 400.310502] dump_stack+0x244/0x39d [ 400.310521] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.314057] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.323384] warn_alloc.cold.116+0xb7/0x1bd [ 400.325936] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 400.329563] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.358802] ? lock_downgrade+0x900/0x900 [ 400.362959] ? trace_hardirqs_off+0xb8/0x310 [ 400.367549] ? trace_hardirqs_off+0xb8/0x310 [ 400.371955] __alloc_pages_slowpath+0x26e8/0x2e10 [ 400.376833] ? warn_alloc+0x120/0x120 [ 400.380634] ? print_usage_bug+0xc0/0xc0 [ 400.384701] ? warn_alloc+0x120/0x120 [ 400.388500] ? warn_alloc+0x120/0x120 [ 400.392296] ? print_usage_bug+0xc0/0xc0 [ 400.396354] ? print_usage_bug+0xc0/0xc0 [ 400.400413] ? __lock_acquire+0x62f/0x4c20 [ 400.404653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.410218] ? should_fail+0x22d/0xd01 [ 400.414203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.419303] ? __lock_acquire+0x62f/0x4c20 [ 400.423536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.428634] ? __lock_acquire+0x62f/0x4c20 [ 400.432898] ? should_fail+0x22d/0xd01 [ 400.436787] ? find_held_lock+0x36/0x1c0 [ 400.440848] ? mark_held_locks+0x130/0x130 [ 400.445095] ? mark_held_locks+0x130/0x130 [ 400.449325] ? zap_class+0x640/0x640 [ 400.453050] ? zap_class+0x640/0x640 [ 400.456759] ? print_usage_bug+0xc0/0xc0 [ 400.460810] ? do_raw_spin_unlock+0xa7/0x330 [ 400.465213] ? zap_class+0x640/0x640 [ 400.469217] ? print_usage_bug+0xc0/0xc0 [ 400.473273] ? wq_watchdog_touch+0x9c/0xfe [ 400.477506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.483038] ? check_preemption_disabled+0x48/0x280 [ 400.488058] ? __lock_is_held+0xb5/0x140 [ 400.492121] __alloc_pages_nodemask+0xa80/0xde0 [ 400.496785] ? zap_class+0x640/0x640 [ 400.500502] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 400.505522] ? find_held_lock+0x36/0x1c0 [ 400.509588] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.514252] ? lock_downgrade+0x900/0x900 [ 400.518407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.523944] cache_grow_begin+0xa5/0x8c0 [ 400.527998] ? do_raw_spin_unlock+0xa7/0x330 [ 400.532408] fallback_alloc+0x204/0x2e0 [ 400.536380] ____cache_alloc_node+0x1c7/0x1e0 [ 400.540877] kmem_cache_alloc_node+0xe3/0x730 [ 400.545374] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.549615] __alloc_skb+0x119/0x770 [ 400.553328] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.558605] ? netdev_alloc_frag+0x1f0/0x1f0 [ 400.563006] ? lock_downgrade+0x900/0x900 [ 400.567456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.572982] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.578439] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.583882] ? addrconf_rs_timer+0x690/0x690 [ 400.588296] ndisc_alloc_skb+0x144/0x340 [ 400.592355] ndisc_send_rs+0x331/0x6e0 [ 400.596243] addrconf_rs_timer+0x314/0x690 [ 400.600490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.604732] call_timer_fn+0x272/0x920 [ 400.608612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.612860] ? process_timeout+0x40/0x40 [ 400.616928] ? __run_timers+0x7da/0xc70 [ 400.620905] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.625396] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.629883] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.634119] ? lockdep_hardirqs_on+0x296/0x5b0 [ 400.638698] ? trace_hardirqs_on+0xbd/0x310 [ 400.643013] ? kasan_check_read+0x11/0x20 [ 400.647153] ? __run_timers+0x7da/0xc70 [ 400.651123] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.656224] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.660458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.664687] __run_timers+0x7e5/0xc70 [ 400.668865] ? timer_fixup_init+0x70/0x70 [ 400.673009] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.677500] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.681994] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 400.686570] ? trace_hardirqs_on+0xbd/0x310 [ 400.690884] ? kasan_check_read+0x11/0x20 [ 400.695042] ? finish_task_switch+0x1f4/0x910 [ 400.699580] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.704683] ? compat_start_thread+0x80/0x80 [ 400.709105] ? pvclock_read_flags+0x160/0x160 [ 400.713590] ? __switch_to_asm+0x34/0x70 [ 400.717660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.723209] ? check_preemption_disabled+0x48/0x280 [ 400.728227] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 400.733759] ? rcu_pm_notify+0xc0/0xc0 [ 400.737648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.743181] ? check_preemption_disabled+0x48/0x280 [ 400.748193] run_timer_softirq+0x52/0xb0 [ 400.752251] ? rcu_read_lock_sched_held+0x14f/0x180 [ 400.757262] __do_softirq+0x308/0xb7e [ 400.761061] ? trace_hardirqs_on_caller+0xc0/0x310 [ 400.765989] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 400.771434] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.776910] ? schedule+0x108/0x460 [ 400.780542] ? trace_hardirqs_off+0xb8/0x310 [ 400.784962] ? smpboot_thread_fn+0x68b/0xa00 [ 400.789377] ? trace_hardirqs_on+0x310/0x310 [ 400.793783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.799580] ? check_preemption_disabled+0x48/0x280 [ 400.804592] ? takeover_tasklets+0xa90/0xa90 [ 400.809001] run_ksoftirqd+0x5e/0x100 [ 400.812808] smpboot_thread_fn+0x68b/0xa00 [ 400.817041] ? sort_range+0x30/0x30 [ 400.820666] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.825763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.831308] ? __kthread_parkme+0xfb/0x1a0 [ 400.835649] ? sort_range+0x30/0x30 [ 400.839271] kthread+0x35a/0x440 [ 400.842641] ? kthread_stop+0x900/0x900 [ 400.846837] ret_from_fork+0x3a/0x50 [ 400.850576] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 400.850581] warn_alloc_show_mem: 1 callbacks suppressed [ 400.850587] Mem-Info: [ 400.857503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.862866] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 400.862866] active_file:10 inactive_file:14 isolated_file:0 [ 400.862866] unevictable:0 dirty:0 writeback:0 unstable:0 [ 400.862866] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 400.862866] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 400.862866] free:13688 free_pcp:208 free_cma:0 [ 400.865237] Call Trace: [ 400.874931] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 400.907954] dump_stack+0x244/0x39d [ 400.910518] 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 [ 400.938528] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.942125] lowmem_reserve[]: 0 2818 6321 6321 [ 400.968974] warn_alloc.cold.116+0xb7/0x1bd [ 400.974130] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 400.978705] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.983015] lowmem_reserve[]: 0 0 3503 3503 [ 401.010416] ? lock_downgrade+0x900/0x900 [ 401.015477] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 401.019806] ? trace_hardirqs_off+0xb8/0x310 [ 401.023917] lowmem_reserve[]: 0 0 0 0 [ 401.053316] ? trace_hardirqs_off+0xb8/0x310 [ 401.057698] 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 [ 401.061496] __alloc_pages_slowpath+0x26e8/0x2e10 [ 401.065877] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 401.080283] ? warn_alloc+0x120/0x120 [ 401.085077] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 401.100764] ? warn_alloc+0x120/0x120 [ 401.104540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 401.119435] ? warn_alloc+0x120/0x120 [ 401.123227] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 401.132047] ? find_held_lock+0x36/0x1c0 [ 401.135820] 1671 total pagecache pages [ 401.144381] ? print_usage_bug+0xc0/0xc0 [ 401.148419] 0 pages in swap cache [ 401.152385] ? print_usage_bug+0xc0/0xc0 [ 401.156418] Swap cache stats: add 0, delete 0, find 0/0 [ 401.159865] ? mark_held_locks+0x130/0x130 [ 401.159881] ? mark_held_locks+0x130/0x130 [ 401.163912] Free swap = 0kB [ 401.169818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.174016] Total swap = 0kB [ 401.174023] 1965979 pages RAM [ 401.178244] ? should_fail+0x22d/0xd01 [ 401.181232] 0 pages HighMem/MovableOnly [ 401.186775] ? zap_class+0x640/0x640 [ 401.189762] 342853 pages reserved [ 401.189769] 0 pages cma reserved [ 401.192865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.196777] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.200696] ? __lock_acquire+0x62f/0x4c20 [ 401.204430] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.207835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.211175] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 401.216255] ? __lock_acquire+0x62f/0x4c20 [ 401.216269] ? should_fail+0x22d/0xd01 [ 401.255202] ? mark_held_locks+0x130/0x130 [ 401.259443] ? mark_held_locks+0x130/0x130 [ 401.263697] ? lock_downgrade+0x900/0x900 [ 401.268406] ? zap_class+0x640/0x640 [ 401.272115] ? zap_class+0x640/0x640 [ 401.275825] ? zap_class+0x640/0x640 [ 401.279532] ? do_raw_spin_unlock+0xa7/0x330 [ 401.283934] ? trace_hardirqs_on+0x310/0x310 [ 401.288353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.293901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.299440] ? check_preemption_disabled+0x48/0x280 [ 401.304459] ? __lock_is_held+0xb5/0x140 [ 401.308536] __alloc_pages_nodemask+0xa80/0xde0 [ 401.313202] ? zap_class+0x640/0x640 [ 401.316929] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 401.322048] ? find_held_lock+0x36/0x1c0 [ 401.326126] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.330807] ? lock_downgrade+0x900/0x900 [ 401.334957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.340495] cache_grow_begin+0xa5/0x8c0 [ 401.344547] ? do_raw_spin_unlock+0xa7/0x330 [ 401.348963] fallback_alloc+0x204/0x2e0 [ 401.352937] ____cache_alloc_node+0x1c7/0x1e0 [ 401.357436] kmem_cache_alloc_node+0xe3/0x730 [ 401.361925] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.366517] __alloc_skb+0x119/0x770 [ 401.370751] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 401.376112] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.380520] ? vprintk_default+0x28/0x30 [ 401.384582] ? vprintk_func+0x85/0x181 [ 401.388462] ? printk+0xa7/0xcf [ 401.391737] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 401.396493] new_skb+0x26/0x1c0 [ 401.399768] aoecmd_cfg+0x279/0x7f0 [ 401.403391] ? find_held_lock+0x36/0x1c0 [ 401.407449] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 401.411769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.417309] ? __lock_is_held+0xb5/0x140 [ 401.421377] discover_timer+0x50/0x60 [ 401.425174] call_timer_fn+0x272/0x920 [ 401.429055] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 401.433894] ? process_timeout+0x40/0x40 [ 401.437956] ? __run_timers+0x7da/0xc70 [ 401.441934] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.446422] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.450913] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 401.455840] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.460421] ? trace_hardirqs_on+0xbd/0x310 [ 401.464741] ? kasan_check_read+0x11/0x20 [ 401.469616] ? __run_timers+0x7da/0xc70 [ 401.473593] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.478705] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 401.483537] __run_timers+0x7e5/0xc70 [ 401.487366] ? timer_fixup_init+0x70/0x70 [ 401.491518] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.496005] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.500516] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 401.505093] ? trace_hardirqs_on+0xbd/0x310 [ 401.509410] ? kasan_check_read+0x11/0x20 [ 401.513554] ? finish_task_switch+0x1f4/0x910 [ 401.518050] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.523151] ? compat_start_thread+0x80/0x80 [ 401.527581] ? pvclock_read_flags+0x160/0x160 [ 401.532066] ? __switch_to_asm+0x34/0x70 [ 401.536121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.541657] ? check_preemption_disabled+0x48/0x280 [ 401.546680] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 401.552214] ? rcu_pm_notify+0xc0/0xc0 [ 401.556096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.561626] ? check_preemption_disabled+0x48/0x280 [ 401.566654] run_timer_softirq+0x52/0xb0 [ 401.571421] ? rcu_read_lock_sched_held+0x14f/0x180 [ 401.576434] __do_softirq+0x308/0xb7e [ 401.580234] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.585682] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 401.590789] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.596261] ? schedule+0x108/0x460 [ 401.599884] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 401.604641] ? trace_hardirqs_off+0xb8/0x310 [ 401.609043] ? smpboot_thread_fn+0x68b/0xa00 [ 401.613447] ? trace_hardirqs_on+0x310/0x310 [ 401.617952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.623498] ? check_preemption_disabled+0x48/0x280 [ 401.628510] ? takeover_tasklets+0xa90/0xa90 [ 401.632914] run_ksoftirqd+0x5e/0x100 [ 401.636719] smpboot_thread_fn+0x68b/0xa00 [ 401.640952] ? sort_range+0x30/0x30 [ 401.644581] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.649687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.655232] ? __kthread_parkme+0xfb/0x1a0 [ 401.659468] ? sort_range+0x30/0x30 [ 401.663090] kthread+0x35a/0x440 [ 401.666450] ? kthread_stop+0x900/0x900 [ 401.671163] ret_from_fork+0x3a/0x50 [ 401.674902] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 401.674967] aoe: skb alloc failure [ 401.681649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.681654] Call Trace: [ 401.681672] dump_stack+0x244/0x39d [ 401.681690] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.685226] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.694564] warn_alloc.cold.116+0xb7/0x1bd [ 401.697118] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 401.700732] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.729975] ? lock_downgrade+0x900/0x900 [ 401.734123] ? trace_hardirqs_off+0xb8/0x310 [ 401.738549] ? trace_hardirqs_off+0xb8/0x310 [ 401.742959] __alloc_pages_slowpath+0x26e8/0x2e10 [ 401.747823] ? warn_alloc+0x120/0x120 [ 401.751618] ? print_usage_bug+0xc0/0xc0 [ 401.755672] ? warn_alloc+0x120/0x120 [ 401.759474] ? warn_alloc+0x120/0x120 [ 401.763288] ? print_usage_bug+0xc0/0xc0 [ 401.767621] ? print_usage_bug+0xc0/0xc0 [ 401.771693] ? __lock_acquire+0x62f/0x4c20 [ 401.775929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.781462] ? should_fail+0x22d/0xd01 [ 401.785346] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.790444] ? __lock_acquire+0x62f/0x4c20 [ 401.794679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.799773] ? __lock_acquire+0x62f/0x4c20 [ 401.804006] ? should_fail+0x22d/0xd01 [ 401.807907] ? find_held_lock+0x36/0x1c0 [ 401.811969] ? mark_held_locks+0x130/0x130 [ 401.816203] ? mark_held_locks+0x130/0x130 [ 401.820433] ? zap_class+0x640/0x640 [ 401.824140] ? zap_class+0x640/0x640 [ 401.827851] ? print_usage_bug+0xc0/0xc0 [ 401.831907] ? do_raw_spin_unlock+0xa7/0x330 [ 401.836315] ? zap_class+0x640/0x640 [ 401.840022] ? print_usage_bug+0xc0/0xc0 [ 401.844095] ? wq_watchdog_touch+0x9c/0xfe [ 401.848500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.854039] ? check_preemption_disabled+0x48/0x280 [ 401.859058] ? __lock_is_held+0xb5/0x140 [ 401.863120] __alloc_pages_nodemask+0xa80/0xde0 [ 401.868129] ? zap_class+0x640/0x640 [ 401.871843] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 401.876865] ? find_held_lock+0x36/0x1c0 [ 401.880950] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.885615] ? lock_downgrade+0x900/0x900 [ 401.889762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.895301] cache_grow_begin+0xa5/0x8c0 [ 401.899358] ? do_raw_spin_unlock+0xa7/0x330 [ 401.903768] fallback_alloc+0x204/0x2e0 [ 401.907747] ____cache_alloc_node+0x1c7/0x1e0 [ 401.912415] kmem_cache_alloc_node+0xe3/0x730 [ 401.916904] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.921153] __alloc_skb+0x119/0x770 [ 401.924859] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.930136] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.934547] ? lock_downgrade+0x900/0x900 [ 401.938701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.944232] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.949680] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.955125] ? addrconf_rs_timer+0x690/0x690 [ 401.959543] ndisc_alloc_skb+0x144/0x340 [ 401.963601] ndisc_send_rs+0x331/0x6e0 [ 401.967789] addrconf_rs_timer+0x314/0x690 [ 401.972024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.976262] call_timer_fn+0x272/0x920 [ 401.980141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.984368] ? process_timeout+0x40/0x40 [ 401.988430] ? __run_timers+0x7da/0xc70 [ 401.992400] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.996914] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.001401] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.005630] ? lockdep_hardirqs_on+0x296/0x5b0 [ 402.010207] ? trace_hardirqs_on+0xbd/0x310 [ 402.014532] ? kasan_check_read+0x11/0x20 [ 402.018673] ? __run_timers+0x7da/0xc70 [ 402.022641] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.027741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.032064] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.036289] __run_timers+0x7e5/0xc70 [ 402.040096] ? timer_fixup_init+0x70/0x70 [ 402.044238] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.048728] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.053308] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 402.057885] ? trace_hardirqs_on+0xbd/0x310 [ 402.062200] ? kasan_check_read+0x11/0x20 [ 402.066343] ? finish_task_switch+0x1f4/0x910 [ 402.071165] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.076261] ? compat_start_thread+0x80/0x80 [ 402.080684] ? pvclock_read_flags+0x160/0x160 [ 402.085173] ? __switch_to_asm+0x34/0x70 [ 402.089230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.094763] ? check_preemption_disabled+0x48/0x280 [ 402.099807] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 402.105351] ? rcu_pm_notify+0xc0/0xc0 [ 402.109236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.114775] ? check_preemption_disabled+0x48/0x280 [ 402.119794] run_timer_softirq+0x52/0xb0 [ 402.123866] ? rcu_read_lock_sched_held+0x14f/0x180 [ 402.128878] __do_softirq+0x308/0xb7e [ 402.132679] ? trace_hardirqs_on_caller+0xc0/0x310 [ 402.137609] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 402.142707] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.148156] ? schedule+0x108/0x460 [ 402.151789] ? trace_hardirqs_off+0xb8/0x310 [ 402.156192] ? smpboot_thread_fn+0x68b/0xa00 [ 402.160602] ? trace_hardirqs_on+0x310/0x310 [ 402.165007] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.170879] ? check_preemption_disabled+0x48/0x280 [ 402.175889] ? takeover_tasklets+0xa90/0xa90 [ 402.180553] run_ksoftirqd+0x5e/0x100 [ 402.184350] smpboot_thread_fn+0x68b/0xa00 [ 402.188671] ? sort_range+0x30/0x30 [ 402.192294] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.197393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.202925] ? __kthread_parkme+0xfb/0x1a0 [ 402.207155] ? sort_range+0x30/0x30 [ 402.210780] kthread+0x35a/0x440 [ 402.214142] ? kthread_stop+0x900/0x900 [ 402.218127] ret_from_fork+0x3a/0x50 [ 402.221852] warn_alloc_show_mem: 1 callbacks suppressed [ 402.221861] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 402.221862] Mem-Info: [ 402.221892] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 402.221892] active_file:10 inactive_file:14 isolated_file:0 [ 402.221892] unevictable:0 dirty:0 writeback:0 unstable:0 [ 402.221892] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 402.221892] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 402.221892] free:13688 free_pcp:208 free_cma:0 [ 402.227397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.234232] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 402.236619] Call Trace: [ 402.269920] 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 [ 402.279444] dump_stack+0x244/0x39d [ 402.307082] lowmem_reserve[]: 0 2818 6321 6321 [ 402.309673] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.335922] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 402.339548] warn_alloc.cold.116+0xb7/0x1bd [ 402.344095] lowmem_reserve[]: 0 0 3503 3503 [ 402.349293] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.376895] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 402.381220] ? lock_downgrade+0x900/0x900 [ 402.385517] lowmem_reserve[]: 0 0 0 0 [ 402.390390] ? trace_hardirqs_off+0xb8/0x310 [ 402.419378] 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 [ 402.423525] ? trace_hardirqs_off+0xb8/0x310 [ 402.427291] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 402.431701] __alloc_pages_slowpath+0x26e8/0x2e10 [ 402.445192] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 402.449616] ? warn_alloc+0x120/0x120 [ 402.465264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 402.470828] ? warn_alloc+0x120/0x120 [ 402.485717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 402.489507] ? warn_alloc+0x120/0x120 [ 402.498316] 1671 total pagecache pages [ 402.502117] ? find_held_lock+0x36/0x1c0 [ 402.510670] 0 pages in swap cache [ 402.514452] ? print_usage_bug+0xc0/0xc0 [ 402.518313] Swap cache stats: add 0, delete 0, find 0/0 [ 402.522357] ? print_usage_bug+0xc0/0xc0 [ 402.525795] Free swap = 0kB [ 402.529843] ? mark_held_locks+0x130/0x130 [ 402.535176] Total swap = 0kB [ 402.539242] ? mark_held_locks+0x130/0x130 [ 402.542237] 1965979 pages RAM [ 402.546457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.549454] 0 pages HighMem/MovableOnly [ 402.553694] ? should_fail+0x22d/0xd01 [ 402.556763] 342853 pages reserved [ 402.556770] 0 pages cma reserved [ 402.562292] ? zap_class+0x640/0x640 [ 402.566299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 402.570655] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.574144] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.577437] ? __lock_acquire+0x62f/0x4c20 [ 402.581123] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 402.587607] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.616953] ? __lock_acquire+0x62f/0x4c20 [ 402.621184] ? should_fail+0x22d/0xd01 [ 402.625076] ? mark_held_locks+0x130/0x130 [ 402.629309] ? mark_held_locks+0x130/0x130 [ 402.633536] ? lock_downgrade+0x900/0x900 [ 402.637693] ? zap_class+0x640/0x640 [ 402.641407] ? zap_class+0x640/0x640 [ 402.645120] ? zap_class+0x640/0x640 [ 402.648826] ? do_raw_spin_unlock+0xa7/0x330 [ 402.653234] ? trace_hardirqs_on+0x310/0x310 [ 402.657635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.663273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.669333] ? check_preemption_disabled+0x48/0x280 [ 402.674352] ? __lock_is_held+0xb5/0x140 [ 402.678412] __alloc_pages_nodemask+0xa80/0xde0 [ 402.683077] ? zap_class+0x640/0x640 [ 402.686791] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 402.691814] ? find_held_lock+0x36/0x1c0 [ 402.695878] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.700544] ? lock_downgrade+0x900/0x900 [ 402.704692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.710228] cache_grow_begin+0xa5/0x8c0 [ 402.714283] ? do_raw_spin_unlock+0xa7/0x330 [ 402.718689] fallback_alloc+0x204/0x2e0 [ 402.722664] ____cache_alloc_node+0x1c7/0x1e0 [ 402.727160] kmem_cache_alloc_node+0xe3/0x730 [ 402.731650] ? lockdep_hardirqs_on+0x296/0x5b0 [ 402.736237] __alloc_skb+0x119/0x770 [ 402.739941] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 402.745304] ? netdev_alloc_frag+0x1f0/0x1f0 [ 402.749714] ? vprintk_default+0x28/0x30 [ 402.753772] ? vprintk_func+0x85/0x181 [ 402.757656] ? printk+0xa7/0xcf [ 402.760952] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 402.765715] new_skb+0x26/0x1c0 [ 402.769673] aoecmd_cfg+0x279/0x7f0 [ 402.773297] ? find_held_lock+0x36/0x1c0 [ 402.777356] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 402.781677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.787225] ? __lock_is_held+0xb5/0x140 [ 402.791289] discover_timer+0x50/0x60 [ 402.795083] call_timer_fn+0x272/0x920 [ 402.798966] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 402.803803] ? process_timeout+0x40/0x40 [ 402.807874] ? __run_timers+0x7da/0xc70 [ 402.811845] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.816333] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.820823] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 402.825660] ? lockdep_hardirqs_on+0x296/0x5b0 [ 402.830239] ? trace_hardirqs_on+0xbd/0x310 [ 402.834559] ? kasan_check_read+0x11/0x20 [ 402.838699] ? __run_timers+0x7da/0xc70 [ 402.842673] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.847998] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 402.852835] __run_timers+0x7e5/0xc70 [ 402.856641] ? timer_fixup_init+0x70/0x70 [ 402.860786] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.865275] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.870374] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 402.874955] ? trace_hardirqs_on+0xbd/0x310 [ 402.879272] ? kasan_check_read+0x11/0x20 [ 402.883418] ? finish_task_switch+0x1f4/0x910 [ 402.887928] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.893022] ? compat_start_thread+0x80/0x80 [ 402.897452] ? pvclock_read_flags+0x160/0x160 [ 402.901943] ? __switch_to_asm+0x34/0x70 [ 402.906005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.911538] ? check_preemption_disabled+0x48/0x280 [ 402.916561] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 402.922096] ? rcu_pm_notify+0xc0/0xc0 [ 402.925978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.931509] ? check_preemption_disabled+0x48/0x280 [ 402.936525] run_timer_softirq+0x52/0xb0 [ 402.940596] ? rcu_read_lock_sched_held+0x14f/0x180 [ 402.945610] __do_softirq+0x308/0xb7e [ 402.949409] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.954866] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 402.959963] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.965438] ? schedule+0x108/0x460 [ 402.969566] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.974326] ? trace_hardirqs_off+0xb8/0x310 [ 402.978731] ? smpboot_thread_fn+0x68b/0xa00 [ 402.983142] ? trace_hardirqs_on+0x310/0x310 [ 402.987561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.993093] ? check_preemption_disabled+0x48/0x280 [ 402.998108] ? takeover_tasklets+0xa90/0xa90 [ 403.002515] run_ksoftirqd+0x5e/0x100 [ 403.006310] smpboot_thread_fn+0x68b/0xa00 [ 403.010542] ? sort_range+0x30/0x30 [ 403.014649] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.019752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.025285] ? __kthread_parkme+0xfb/0x1a0 [ 403.029550] ? sort_range+0x30/0x30 [ 403.033173] kthread+0x35a/0x440 [ 403.036541] ? kthread_stop+0x900/0x900 [ 403.040513] ret_from_fork+0x3a/0x50 [ 403.044239] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 403.044301] aoe: skb alloc failure [ 403.051008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.051013] Call Trace: [ 403.051028] dump_stack+0x244/0x39d [ 403.051047] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.055114] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.064451] warn_alloc.cold.116+0xb7/0x1bd [ 403.067733] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 403.071350] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.100691] ? lock_downgrade+0x900/0x900 [ 403.104840] ? trace_hardirqs_off+0xb8/0x310 [ 403.109250] ? trace_hardirqs_off+0xb8/0x310 [ 403.113677] __alloc_pages_slowpath+0x26e8/0x2e10 [ 403.118548] ? warn_alloc+0x120/0x120 [ 403.122350] ? warn_alloc+0x120/0x120 [ 403.126150] ? warn_alloc+0x120/0x120 [ 403.129944] ? trace_hardirqs_off+0xb8/0x310 [ 403.134351] ? print_usage_bug+0xc0/0xc0 [ 403.138434] ? print_usage_bug+0xc0/0xc0 [ 403.142510] ? __lock_acquire+0x62f/0x4c20 [ 403.146743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.152274] ? should_fail+0x22d/0xd01 [ 403.156159] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.161260] ? __lock_acquire+0x62f/0x4c20 [ 403.165496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.170885] ? __lock_acquire+0x62f/0x4c20 [ 403.175111] ? should_fail+0x22d/0xd01 [ 403.179005] ? mark_held_locks+0x130/0x130 [ 403.183244] ? mark_held_locks+0x130/0x130 [ 403.187475] ? zap_class+0x640/0x640 [ 403.191194] ? ret_from_fork+0x3a/0x50 [ 403.195082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.200616] ? check_preemption_disabled+0x48/0x280 [ 403.205636] ? __lock_is_held+0xb5/0x140 [ 403.209700] __alloc_pages_nodemask+0xa80/0xde0 [ 403.214389] ? zap_class+0x640/0x640 [ 403.218110] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 403.223132] ? find_held_lock+0x36/0x1c0 [ 403.227198] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.231876] ? lock_downgrade+0x900/0x900 [ 403.236023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.241562] cache_grow_begin+0xa5/0x8c0 [ 403.245616] ? do_raw_spin_unlock+0xa7/0x330 [ 403.250024] fallback_alloc+0x204/0x2e0 [ 403.254012] ____cache_alloc_node+0x1c7/0x1e0 [ 403.258509] kmem_cache_alloc_node+0xe3/0x730 [ 403.263002] ? mark_held_locks+0xc7/0x130 [ 403.267490] __alloc_skb+0x119/0x770 [ 403.271202] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.275606] ? do_raw_spin_trylock+0x270/0x270 [ 403.280201] ? kmem_cache_alloc_trace+0x353/0x750 [ 403.285042] ? queue_work_on+0x12c/0x1e0 [ 403.289105] ? switchdev_port_obj_del+0xdc/0x440 [ 403.293856] ? switchdev_trans_item_enqueue+0x260/0x260 [ 403.299219] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 403.304233] __br_mdb_notify+0x4ff/0x15d0 [ 403.308378] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 403.313490] ? __br_mdb_add+0x7f0/0x7f0 [ 403.317461] ? mark_held_locks+0x130/0x130 [ 403.321693] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.326797] ? debug_object_assert_init+0x368/0x4b0 [ 403.331810] ? debug_object_init_on_stack+0x20/0x20 [ 403.336821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.342368] br_mdb_notify+0x310/0x410 [ 403.346341] ? br_mdb_dump+0x27b0/0x27b0 [ 403.350420] br_multicast_del_pg+0x3df/0x790 [ 403.354829] ? br_mdb_ip_get+0x940/0x940 [ 403.358884] ? rwlock_bug.part.2+0x90/0x90 [ 403.363116] ? __lock_is_held+0xb5/0x140 [ 403.367488] br_multicast_port_group_expired+0x189/0x1e0 [ 403.372935] call_timer_fn+0x272/0x920 [ 403.376820] ? br_multicast_del_pg+0x790/0x790 [ 403.381405] ? process_timeout+0x40/0x40 [ 403.385468] ? __run_timers+0x7da/0xc70 [ 403.389441] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.393929] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.398424] ? br_multicast_del_pg+0x790/0x790 [ 403.403001] ? lockdep_hardirqs_on+0x296/0x5b0 [ 403.407579] ? trace_hardirqs_on+0xbd/0x310 [ 403.411894] ? kasan_check_read+0x11/0x20 [ 403.416035] ? __run_timers+0x7da/0xc70 [ 403.420003] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.425104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.429360] ? br_multicast_del_pg+0x790/0x790 [ 403.433934] __run_timers+0x7e5/0xc70 [ 403.437738] ? timer_fixup_init+0x70/0x70 [ 403.441903] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.446400] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.450889] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 403.455466] ? trace_hardirqs_on+0xbd/0x310 [ 403.459782] ? kasan_check_read+0x11/0x20 [ 403.463926] ? finish_task_switch+0x1f4/0x910 [ 403.468785] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.473884] ? compat_start_thread+0x80/0x80 [ 403.478305] ? pvclock_read_flags+0x160/0x160 [ 403.482797] ? __switch_to_asm+0x34/0x70 [ 403.486854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.492409] ? check_preemption_disabled+0x48/0x280 [ 403.497435] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 403.502970] ? rcu_pm_notify+0xc0/0xc0 [ 403.506855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.512396] ? check_preemption_disabled+0x48/0x280 [ 403.517420] run_timer_softirq+0x52/0xb0 [ 403.521479] ? rcu_read_lock_sched_held+0x14f/0x180 [ 403.526491] __do_softirq+0x308/0xb7e [ 403.530288] ? trace_hardirqs_on_caller+0xc0/0x310 [ 403.535217] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 403.540317] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.545768] ? schedule+0x108/0x460 [ 403.549404] ? trace_hardirqs_off+0xb8/0x310 [ 403.553809] ? smpboot_thread_fn+0x68b/0xa00 [ 403.558213] ? trace_hardirqs_on+0x310/0x310 [ 403.562616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.568427] ? check_preemption_disabled+0x48/0x280 [ 403.573456] ? takeover_tasklets+0xa90/0xa90 [ 403.577858] run_ksoftirqd+0x5e/0x100 [ 403.581657] smpboot_thread_fn+0x68b/0xa00 [ 403.585895] ? sort_range+0x30/0x30 [ 403.589517] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.594615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.600150] ? __kthread_parkme+0xfb/0x1a0 [ 403.604388] ? sort_range+0x30/0x30 [ 403.608011] kthread+0x35a/0x440 [ 403.611373] ? kthread_stop+0x900/0x900 [ 403.615354] ret_from_fork+0x3a/0x50 [ 403.619090] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 403.619095] warn_alloc_show_mem: 1 callbacks suppressed [ 403.619101] Mem-Info: [ 403.625933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.631295] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 403.631295] active_file:10 inactive_file:14 isolated_file:0 [ 403.631295] unevictable:0 dirty:0 writeback:0 unstable:0 [ 403.631295] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 403.631295] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 403.631295] free:13688 free_pcp:208 free_cma:0 [ 403.633665] Call Trace: [ 403.643036] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 403.676800] dump_stack+0x244/0x39d [ 403.679360] 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 [ 403.707026] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.710618] lowmem_reserve[]: 0 2818 6321 6321 [ 403.736753] warn_alloc.cold.116+0xb7/0x1bd [ 403.741909] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 403.746496] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.750798] lowmem_reserve[]: 0 0 3503 3503 [ 403.778869] ? lock_downgrade+0x900/0x900 [ 403.783773] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 403.788088] ? trace_hardirqs_off+0xb8/0x310 [ 403.792196] lowmem_reserve[]: 0 0 0 0 [ 403.821167] ? trace_hardirqs_off+0xb8/0x310 [ 403.825558] 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 [ 403.829352] __alloc_pages_slowpath+0x26e8/0x2e10 [ 403.833730] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 403.847353] ? warn_alloc+0x120/0x120 [ 403.852147] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 403.868552] ? warn_alloc+0x120/0x120 [ 403.872367] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 403.887262] ? warn_alloc+0x120/0x120 [ 403.891040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 403.900051] ? find_held_lock+0x36/0x1c0 [ 403.903834] 1671 total pagecache pages [ 403.912395] ? print_usage_bug+0xc0/0xc0 [ 403.916614] 0 pages in swap cache [ 403.920484] ? print_usage_bug+0xc0/0xc0 [ 403.924516] Swap cache stats: add 0, delete 0, find 0/0 [ 403.924524] Free swap = 0kB [ 403.927964] ? mark_held_locks+0x130/0x130 [ 403.931998] Total swap = 0kB [ 403.937358] ? mark_held_locks+0x130/0x130 [ 403.940356] 1965979 pages RAM [ 403.944579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.947570] 0 pages HighMem/MovableOnly [ 403.951791] ? should_fail+0x22d/0xd01 [ 403.954862] 342853 pages reserved [ 403.954869] 0 pages cma reserved [ 403.960396] ? zap_class+0x640/0x640 [ 403.964478] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.968785] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.972209] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 403.975563] ? __lock_acquire+0x62f/0x4c20 [ 404.003508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.008604] ? __lock_acquire+0x62f/0x4c20 [ 404.013321] ? should_fail+0x22d/0xd01 [ 404.017221] ? mark_held_locks+0x130/0x130 [ 404.021455] ? mark_held_locks+0x130/0x130 [ 404.025683] ? lock_downgrade+0x900/0x900 [ 404.029829] ? zap_class+0x640/0x640 [ 404.033540] ? zap_class+0x640/0x640 [ 404.037685] ? zap_class+0x640/0x640 [ 404.041465] ? do_raw_spin_unlock+0xa7/0x330 [ 404.045868] ? trace_hardirqs_on+0x310/0x310 [ 404.050271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.055803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.061438] ? check_preemption_disabled+0x48/0x280 [ 404.066459] ? __lock_is_held+0xb5/0x140 [ 404.071041] __alloc_pages_nodemask+0xa80/0xde0 [ 404.075718] ? zap_class+0x640/0x640 [ 404.079432] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 404.084456] ? find_held_lock+0x36/0x1c0 [ 404.088525] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.093190] ? lock_downgrade+0x900/0x900 [ 404.097346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.102883] cache_grow_begin+0xa5/0x8c0 [ 404.106942] ? do_raw_spin_unlock+0xa7/0x330 [ 404.111359] fallback_alloc+0x204/0x2e0 [ 404.115343] ____cache_alloc_node+0x1c7/0x1e0 [ 404.119839] kmem_cache_alloc_node+0xe3/0x730 [ 404.124337] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.129444] __alloc_skb+0x119/0x770 [ 404.133153] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 404.138514] ? netdev_alloc_frag+0x1f0/0x1f0 [ 404.142928] ? vprintk_default+0x28/0x30 [ 404.146983] ? vprintk_func+0x85/0x181 [ 404.150867] ? printk+0xa7/0xcf [ 404.154142] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 404.158907] new_skb+0x26/0x1c0 [ 404.162181] aoecmd_cfg+0x279/0x7f0 [ 404.165804] ? find_held_lock+0x36/0x1c0 [ 404.170425] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 404.174748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.180293] ? __lock_is_held+0xb5/0x140 [ 404.184364] discover_timer+0x50/0x60 [ 404.188166] call_timer_fn+0x272/0x920 [ 404.192048] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 404.196888] ? process_timeout+0x40/0x40 [ 404.200948] ? __run_timers+0x7da/0xc70 [ 404.204922] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.209412] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.213900] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 404.218740] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.223327] ? trace_hardirqs_on+0xbd/0x310 [ 404.227650] ? kasan_check_read+0x11/0x20 [ 404.231791] ? __run_timers+0x7da/0xc70 [ 404.235779] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.240885] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 404.245720] __run_timers+0x7e5/0xc70 [ 404.249538] ? timer_fixup_init+0x70/0x70 [ 404.253678] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.258163] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.262655] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.267803] ? trace_hardirqs_on+0xbd/0x310 [ 404.272121] ? kasan_check_read+0x11/0x20 [ 404.276268] ? finish_task_switch+0x1f4/0x910 [ 404.280758] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.285853] ? compat_start_thread+0x80/0x80 [ 404.290268] ? pvclock_read_flags+0x160/0x160 [ 404.294758] ? __switch_to_asm+0x34/0x70 [ 404.298817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.304371] ? check_preemption_disabled+0x48/0x280 [ 404.309390] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 404.314938] ? rcu_pm_notify+0xc0/0xc0 [ 404.318836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.324370] ? check_preemption_disabled+0x48/0x280 [ 404.329384] run_timer_softirq+0x52/0xb0 [ 404.333438] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.338452] __do_softirq+0x308/0xb7e [ 404.342255] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.347702] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.352911] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.358365] ? schedule+0x108/0x460 [ 404.361987] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.366745] ? trace_hardirqs_off+0xb8/0x310 [ 404.371703] ? smpboot_thread_fn+0x68b/0xa00 [ 404.376108] ? trace_hardirqs_on+0x310/0x310 [ 404.380511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.386043] ? check_preemption_disabled+0x48/0x280 [ 404.391068] ? takeover_tasklets+0xa90/0xa90 [ 404.395473] run_ksoftirqd+0x5e/0x100 [ 404.399269] smpboot_thread_fn+0x68b/0xa00 [ 404.403504] ? sort_range+0x30/0x30 [ 404.407128] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.412226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.417759] ? __kthread_parkme+0xfb/0x1a0 [ 404.421987] ? sort_range+0x30/0x30 [ 404.425604] kthread+0x35a/0x440 [ 404.428973] ? kthread_stop+0x900/0x900 [ 404.432945] ret_from_fork+0x3a/0x50 [ 404.436673] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 404.436734] aoe: skb alloc failure [ 404.443427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.447002] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.456298] Call Trace: [ 404.466603] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 404.469495] dump_stack+0x244/0x39d [ 404.477756] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.482952] warn_alloc.cold.116+0xb7/0x1bd [ 404.487273] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.492119] ? lock_downgrade+0x900/0x900 [ 404.496267] ? trace_hardirqs_off+0xb8/0x310 [ 404.500788] ? trace_hardirqs_off+0xb8/0x310 [ 404.505200] __alloc_pages_slowpath+0x26e8/0x2e10 [ 404.510060] ? warn_alloc+0x120/0x120 [ 404.513863] ? warn_alloc+0x120/0x120 [ 404.517671] ? warn_alloc+0x120/0x120 [ 404.521467] ? trace_hardirqs_off+0xb8/0x310 [ 404.525960] ? print_usage_bug+0xc0/0xc0 [ 404.530022] ? print_usage_bug+0xc0/0xc0 [ 404.534089] ? __lock_acquire+0x62f/0x4c20 [ 404.538326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.543867] ? should_fail+0x22d/0xd01 [ 404.547752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.552852] ? __lock_acquire+0x62f/0x4c20 [ 404.557086] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.562181] ? __lock_acquire+0x62f/0x4c20 [ 404.566424] ? should_fail+0x22d/0xd01 [ 404.570593] ? mark_held_locks+0x130/0x130 [ 404.574828] ? mark_held_locks+0x130/0x130 [ 404.579064] ? zap_class+0x640/0x640 [ 404.582776] ? ret_from_fork+0x3a/0x50 [ 404.586659] ? __lock_acquire+0x62f/0x4c20 [ 404.590888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.596420] ? check_preemption_disabled+0x48/0x280 [ 404.601453] ? __lock_is_held+0xb5/0x140 [ 404.605513] __alloc_pages_nodemask+0xa80/0xde0 [ 404.610177] ? zap_class+0x640/0x640 [ 404.613891] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 404.618913] ? find_held_lock+0x36/0x1c0 [ 404.622983] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.627653] ? lock_downgrade+0x900/0x900 [ 404.631802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.637341] cache_grow_begin+0xa5/0x8c0 [ 404.641398] ? do_raw_spin_unlock+0xa7/0x330 [ 404.645808] fallback_alloc+0x204/0x2e0 [ 404.649782] ____cache_alloc_node+0x1c7/0x1e0 [ 404.654278] kmem_cache_alloc_node+0xe3/0x730 [ 404.658775] ? mark_held_locks+0xc7/0x130 [ 404.662941] __alloc_skb+0x119/0x770 [ 404.666655] ? netdev_alloc_frag+0x1f0/0x1f0 [ 404.671366] ? do_raw_spin_trylock+0x270/0x270 [ 404.675948] ? kmem_cache_alloc_trace+0x353/0x750 [ 404.680792] ? queue_work_on+0x12c/0x1e0 [ 404.684854] ? switchdev_port_obj_del+0xdc/0x440 [ 404.689607] ? switchdev_trans_item_enqueue+0x260/0x260 [ 404.694970] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 404.699985] __br_mdb_notify+0x4ff/0x15d0 [ 404.704130] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.709235] ? __br_mdb_add+0x7f0/0x7f0 [ 404.713207] ? mark_held_locks+0x130/0x130 [ 404.717442] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.722567] ? debug_object_assert_init+0x368/0x4b0 [ 404.727599] ? debug_object_init_on_stack+0x20/0x20 [ 404.732613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.738162] br_mdb_notify+0x310/0x410 [ 404.742043] ? br_mdb_dump+0x27b0/0x27b0 [ 404.746114] br_multicast_del_pg+0x3df/0x790 [ 404.750523] ? br_mdb_ip_get+0x940/0x940 [ 404.754587] ? rwlock_bug.part.2+0x90/0x90 [ 404.758818] ? __lock_is_held+0xb5/0x140 [ 404.762895] br_multicast_port_group_expired+0x189/0x1e0 [ 404.768609] call_timer_fn+0x272/0x920 [ 404.772493] ? br_multicast_del_pg+0x790/0x790 [ 404.777074] ? process_timeout+0x40/0x40 [ 404.781136] ? __run_timers+0x7da/0xc70 [ 404.785108] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.789685] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.794177] ? br_multicast_del_pg+0x790/0x790 [ 404.798754] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.803344] ? trace_hardirqs_on+0xbd/0x310 [ 404.807659] ? kasan_check_read+0x11/0x20 [ 404.811799] ? __run_timers+0x7da/0xc70 [ 404.815770] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.820871] ? br_multicast_del_pg+0x790/0x790 [ 404.825452] ? br_multicast_del_pg+0x790/0x790 [ 404.830025] __run_timers+0x7e5/0xc70 [ 404.833830] ? timer_fixup_init+0x70/0x70 [ 404.837976] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.842462] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.847451] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.852032] ? trace_hardirqs_on+0xbd/0x310 [ 404.856347] ? kasan_check_read+0x11/0x20 [ 404.860495] ? finish_task_switch+0x1f4/0x910 [ 404.865008] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.870394] ? compat_start_thread+0x80/0x80 [ 404.874832] ? pvclock_read_flags+0x160/0x160 [ 404.879321] ? __switch_to_asm+0x34/0x70 [ 404.883380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.888912] ? check_preemption_disabled+0x48/0x280 [ 404.893941] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 404.899492] ? rcu_pm_notify+0xc0/0xc0 [ 404.904448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.909981] ? check_preemption_disabled+0x48/0x280 [ 404.914995] run_timer_softirq+0x52/0xb0 [ 404.919081] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.924107] __do_softirq+0x308/0xb7e [ 404.927905] ? trace_hardirqs_on_caller+0xc0/0x310 [ 404.932844] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.937942] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.943397] ? schedule+0x108/0x460 [ 404.947029] ? trace_hardirqs_off+0xb8/0x310 [ 404.951432] ? smpboot_thread_fn+0x68b/0xa00 [ 404.955839] ? trace_hardirqs_on+0x310/0x310 [ 404.960246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.965785] ? check_preemption_disabled+0x48/0x280 [ 404.971066] ? takeover_tasklets+0xa90/0xa90 [ 404.975488] run_ksoftirqd+0x5e/0x100 [ 404.979296] smpboot_thread_fn+0x68b/0xa00 [ 404.983535] ? sort_range+0x30/0x30 [ 404.987157] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.992263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.997795] ? __kthread_parkme+0xfb/0x1a0 [ 405.002028] ? sort_range+0x30/0x30 [ 405.005647] kthread+0x35a/0x440 [ 405.009011] ? kthread_stop+0x900/0x900 [ 405.013197] ret_from_fork+0x3a/0x50 [ 405.016922] warn_alloc_show_mem: 1 callbacks suppressed [ 405.016931] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 405.016933] Mem-Info: [ 405.016966] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 405.016966] active_file:10 inactive_file:14 isolated_file:0 [ 405.016966] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.016966] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 405.016966] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 405.016966] free:13688 free_pcp:208 free_cma:0 [ 405.022555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.029393] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.031783] Call Trace: [ 405.064826] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 405.074681] dump_stack+0x244/0x39d [ 405.102316] lowmem_reserve[]: 0 2818 6321 6321 [ 405.104902] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.130977] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 405.134607] warn_alloc.cold.116+0xb7/0x1bd [ 405.139151] lowmem_reserve[]: 0 0 3503 3503 [ 405.144332] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.171928] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 405.176251] ? lock_downgrade+0x900/0x900 [ 405.180542] lowmem_reserve[]: 0 0 0 0 [ 405.185377] ? trace_hardirqs_off+0xb8/0x310 [ 405.214321] 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 [ 405.218466] ? trace_hardirqs_off+0xb8/0x310 [ 405.222244] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 405.226665] __alloc_pages_slowpath+0x26e8/0x2e10 [ 405.240154] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 405.244593] ? warn_alloc+0x120/0x120 [ 405.260225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.265057] ? warn_alloc+0x120/0x120 [ 405.280245] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.284030] ? warn_alloc+0x120/0x120 [ 405.292860] 1671 total pagecache pages [ 405.296648] ? find_held_lock+0x36/0x1c0 [ 405.305202] 0 pages in swap cache [ 405.309005] ? print_usage_bug+0xc0/0xc0 [ 405.312869] Swap cache stats: add 0, delete 0, find 0/0 [ 405.316913] ? print_usage_bug+0xc0/0xc0 [ 405.320339] Free swap = 0kB [ 405.324396] ? mark_held_locks+0x130/0x130 [ 405.329729] Total swap = 0kB [ 405.333779] ? mark_held_locks+0x130/0x130 [ 405.336768] 1965979 pages RAM [ 405.340996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.343997] 0 pages HighMem/MovableOnly [ 405.348220] ? should_fail+0x22d/0xd01 [ 405.351305] 342853 pages reserved [ 405.356829] ? zap_class+0x640/0x640 [ 405.360775] 0 pages cma reserved [ 405.364652] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.368557] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.372127] ? __lock_acquire+0x62f/0x4c20 [ 405.375463] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 405.380556] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.404791] ? __lock_acquire+0x62f/0x4c20 [ 405.409030] ? should_fail+0x22d/0xd01 [ 405.412921] ? mark_held_locks+0x130/0x130 [ 405.417152] ? mark_held_locks+0x130/0x130 [ 405.421380] ? lock_downgrade+0x900/0x900 [ 405.425523] ? zap_class+0x640/0x640 [ 405.429253] ? zap_class+0x640/0x640 [ 405.432960] ? do_raw_spin_unlock+0xa7/0x330 [ 405.437369] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.442131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.447668] ? check_preemption_disabled+0x48/0x280 [ 405.452686] ? __lock_is_held+0xb5/0x140 [ 405.456753] __alloc_pages_nodemask+0xa80/0xde0 [ 405.461420] ? zap_class+0x640/0x640 [ 405.465136] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 405.470914] ? find_held_lock+0x36/0x1c0 [ 405.474983] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.479647] ? lock_downgrade+0x900/0x900 [ 405.483801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.489340] cache_grow_begin+0xa5/0x8c0 [ 405.493394] ? do_raw_spin_unlock+0xa7/0x330 [ 405.497802] fallback_alloc+0x204/0x2e0 [ 405.501781] ____cache_alloc_node+0x1c7/0x1e0 [ 405.506279] kmem_cache_alloc_node+0xe3/0x730 [ 405.510772] ? lockdep_hardirqs_on+0x296/0x5b0 [ 405.515356] __alloc_skb+0x119/0x770 [ 405.519065] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 405.524427] ? netdev_alloc_frag+0x1f0/0x1f0 [ 405.528840] ? vprintk_default+0x28/0x30 [ 405.532899] ? vprintk_func+0x85/0x181 [ 405.536780] ? printk+0xa7/0xcf [ 405.540062] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 405.544821] new_skb+0x26/0x1c0 [ 405.548110] aoecmd_cfg+0x279/0x7f0 [ 405.551732] ? find_held_lock+0x36/0x1c0 [ 405.555791] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 405.560111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.565661] ? __lock_is_held+0xb5/0x140 [ 405.570221] discover_timer+0x50/0x60 [ 405.574017] call_timer_fn+0x272/0x920 [ 405.577894] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 405.582726] ? process_timeout+0x40/0x40 [ 405.586785] ? __run_timers+0x7da/0xc70 [ 405.590757] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.595246] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.599751] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 405.604589] ? lockdep_hardirqs_on+0x296/0x5b0 [ 405.609167] ? trace_hardirqs_on+0xbd/0x310 [ 405.613480] ? kasan_check_read+0x11/0x20 [ 405.617632] ? __run_timers+0x7da/0xc70 [ 405.621604] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.626711] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 405.631550] __run_timers+0x7e5/0xc70 [ 405.635358] ? timer_fixup_init+0x70/0x70 [ 405.639497] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.643984] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.648473] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 405.653051] ? trace_hardirqs_on+0xbd/0x310 [ 405.657369] ? kasan_check_read+0x11/0x20 [ 405.661511] ? finish_task_switch+0x1f4/0x910 [ 405.666006] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.671589] ? compat_start_thread+0x80/0x80 [ 405.676007] ? pvclock_read_flags+0x160/0x160 [ 405.680497] ? __switch_to_asm+0x34/0x70 [ 405.684640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.690173] ? check_preemption_disabled+0x48/0x280 [ 405.695206] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 405.700777] ? rcu_pm_notify+0xc0/0xc0 [ 405.704664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.710204] ? check_preemption_disabled+0x48/0x280 [ 405.715230] run_timer_softirq+0x52/0xb0 [ 405.719288] ? rcu_read_lock_sched_held+0x14f/0x180 [ 405.724298] __do_softirq+0x308/0xb7e [ 405.728098] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.733547] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 405.738645] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.744095] ? schedule+0x108/0x460 [ 405.747718] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.752477] ? trace_hardirqs_off+0xb8/0x310 [ 405.756880] ? smpboot_thread_fn+0x68b/0xa00 [ 405.761281] ? trace_hardirqs_on+0x310/0x310 [ 405.765684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.771937] ? check_preemption_disabled+0x48/0x280 [ 405.776963] ? takeover_tasklets+0xa90/0xa90 [ 405.781396] run_ksoftirqd+0x5e/0x100 [ 405.785200] smpboot_thread_fn+0x68b/0xa00 [ 405.789434] ? sort_range+0x30/0x30 [ 405.793056] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 405.798152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.803692] ? __kthread_parkme+0xfb/0x1a0 [ 405.807925] ? sort_range+0x30/0x30 [ 405.811551] kthread+0x35a/0x440 [ 405.814913] ? kthread_stop+0x900/0x900 [ 405.818888] ret_from_fork+0x3a/0x50 [ 405.822612] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 405.822673] aoe: skb alloc failure [ 405.829377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.829382] Call Trace: [ 405.829399] dump_stack+0x244/0x39d [ 405.829418] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.832978] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.842309] warn_alloc.cold.116+0xb7/0x1bd [ 405.844859] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 405.848472] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.878032] ? lock_downgrade+0x900/0x900 [ 405.882188] ? trace_hardirqs_off+0xb8/0x310 [ 405.886596] ? trace_hardirqs_off+0xb8/0x310 [ 405.891017] __alloc_pages_slowpath+0x26e8/0x2e10 [ 405.895878] ? warn_alloc+0x120/0x120 [ 405.899677] ? warn_alloc+0x120/0x120 [ 405.903472] ? warn_alloc+0x120/0x120 [ 405.907269] ? trace_hardirqs_off+0xb8/0x310 [ 405.911684] ? print_usage_bug+0xc0/0xc0 [ 405.915757] ? print_usage_bug+0xc0/0xc0 [ 405.919992] ? __lock_acquire+0x62f/0x4c20 [ 405.924252] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.929784] ? should_fail+0x22d/0xd01 [ 405.933761] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.938858] ? __lock_acquire+0x62f/0x4c20 [ 405.943091] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.948195] ? __lock_acquire+0x62f/0x4c20 [ 405.952440] ? should_fail+0x22d/0xd01 [ 405.956326] ? mark_held_locks+0x130/0x130 [ 405.960561] ? mark_held_locks+0x130/0x130 [ 405.964797] ? zap_class+0x640/0x640 [ 405.968863] ? ret_from_fork+0x3a/0x50 [ 405.972746] ? __lock_acquire+0x62f/0x4c20 [ 405.976976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.982522] ? check_preemption_disabled+0x48/0x280 [ 405.987541] ? __lock_is_held+0xb5/0x140 [ 405.991615] __alloc_pages_nodemask+0xa80/0xde0 [ 405.996277] ? zap_class+0x640/0x640 [ 405.999988] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 406.005015] ? find_held_lock+0x36/0x1c0 [ 406.009081] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.013757] ? lock_downgrade+0x900/0x900 [ 406.017903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.023461] cache_grow_begin+0xa5/0x8c0 [ 406.027532] ? do_raw_spin_unlock+0xa7/0x330 [ 406.031942] fallback_alloc+0x204/0x2e0 [ 406.035915] ____cache_alloc_node+0x1c7/0x1e0 [ 406.040408] kmem_cache_alloc_node+0xe3/0x730 [ 406.044899] ? mark_held_locks+0xc7/0x130 [ 406.049049] __alloc_skb+0x119/0x770 [ 406.052763] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.057173] ? do_raw_spin_trylock+0x270/0x270 [ 406.061755] ? kmem_cache_alloc_trace+0x353/0x750 [ 406.066588] ? queue_work_on+0x12c/0x1e0 [ 406.070942] ? switchdev_port_obj_del+0xdc/0x440 [ 406.075696] ? switchdev_trans_item_enqueue+0x260/0x260 [ 406.081059] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 406.086077] __br_mdb_notify+0x4ff/0x15d0 [ 406.090217] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 406.095319] ? __br_mdb_add+0x7f0/0x7f0 [ 406.099291] ? mark_held_locks+0x130/0x130 [ 406.103527] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.108625] ? debug_object_assert_init+0x368/0x4b0 [ 406.113640] ? debug_object_init_on_stack+0x20/0x20 [ 406.118652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.124190] br_mdb_notify+0x310/0x410 [ 406.128072] ? br_mdb_dump+0x27b0/0x27b0 [ 406.132142] br_multicast_del_pg+0x3df/0x790 [ 406.136557] ? br_mdb_ip_get+0x940/0x940 [ 406.140617] ? rwlock_bug.part.2+0x90/0x90 [ 406.144852] ? __lock_is_held+0xb5/0x140 [ 406.148919] br_multicast_port_group_expired+0x189/0x1e0 [ 406.154369] call_timer_fn+0x272/0x920 [ 406.158255] ? br_multicast_del_pg+0x790/0x790 [ 406.162832] ? process_timeout+0x40/0x40 [ 406.167394] ? __run_timers+0x7da/0xc70 [ 406.171372] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.175859] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.180350] ? br_multicast_del_pg+0x790/0x790 [ 406.184926] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.189505] ? trace_hardirqs_on+0xbd/0x310 [ 406.193825] ? kasan_check_read+0x11/0x20 [ 406.197966] ? __run_timers+0x7da/0xc70 [ 406.201937] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.207065] ? br_multicast_del_pg+0x790/0x790 [ 406.211648] ? br_multicast_del_pg+0x790/0x790 [ 406.216223] __run_timers+0x7e5/0xc70 [ 406.220030] ? timer_fixup_init+0x70/0x70 [ 406.224173] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.228663] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.233165] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 406.237755] ? trace_hardirqs_on+0xbd/0x310 [ 406.242071] ? kasan_check_read+0x11/0x20 [ 406.246212] ? finish_task_switch+0x1f4/0x910 [ 406.250708] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.255817] ? compat_start_thread+0x80/0x80 [ 406.260273] ? pvclock_read_flags+0x160/0x160 [ 406.264761] ? __switch_to_asm+0x34/0x70 [ 406.269114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.274650] ? check_preemption_disabled+0x48/0x280 [ 406.279669] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 406.285206] ? rcu_pm_notify+0xc0/0xc0 [ 406.289099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.294629] ? check_preemption_disabled+0x48/0x280 [ 406.299643] run_timer_softirq+0x52/0xb0 [ 406.303696] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.308711] __do_softirq+0x308/0xb7e [ 406.312510] ? trace_hardirqs_on_caller+0xc0/0x310 [ 406.317447] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.322539] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.327992] ? schedule+0x108/0x460 [ 406.331621] ? trace_hardirqs_off+0xb8/0x310 [ 406.336024] ? smpboot_thread_fn+0x68b/0xa00 [ 406.340424] ? trace_hardirqs_on+0x310/0x310 [ 406.344831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.350362] ? check_preemption_disabled+0x48/0x280 [ 406.355374] ? takeover_tasklets+0xa90/0xa90 [ 406.359780] run_ksoftirqd+0x5e/0x100 [ 406.363577] smpboot_thread_fn+0x68b/0xa00 [ 406.368084] ? sort_range+0x30/0x30 [ 406.371808] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.376905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.382436] ? __kthread_parkme+0xfb/0x1a0 [ 406.386666] ? sort_range+0x30/0x30 [ 406.390287] kthread+0x35a/0x440 [ 406.393648] ? kthread_stop+0x900/0x900 [ 406.397619] ret_from_fork+0x3a/0x50 [ 406.401344] warn_alloc_show_mem: 1 callbacks suppressed [ 406.401353] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 406.401355] Mem-Info: [ 406.401385] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 406.401385] active_file:10 inactive_file:14 isolated_file:0 [ 406.401385] unevictable:0 dirty:0 writeback:0 unstable:0 [ 406.401385] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 406.401385] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 406.401385] free:13688 free_pcp:208 free_cma:0 [ 406.406717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.413640] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 406.416031] Call Trace: [ 406.449061] 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 [ 406.458404] dump_stack+0x244/0x39d [ 406.486335] lowmem_reserve[]: 0 2818 6321 6321 [ 406.488925] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.515014] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 406.518638] warn_alloc.cold.116+0xb7/0x1bd [ 406.523180] lowmem_reserve[]: 0 0 3503 3503 [ 406.528358] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.555652] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 406.559965] ? lock_downgrade+0x900/0x900 [ 406.564249] lowmem_reserve[]: 0 0 0 0 [ 406.569607] ? trace_hardirqs_off+0xb8/0x310 [ 406.598549] 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 [ 406.602689] ? trace_hardirqs_off+0xb8/0x310 [ 406.606456] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 406.610859] __alloc_pages_slowpath+0x26e8/0x2e10 [ 406.624352] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 406.628774] ? warn_alloc+0x120/0x120 [ 406.644425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 406.649253] ? warn_alloc+0x120/0x120 [ 406.664136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 406.664144] 1671 total pagecache pages [ 406.668457] ? warn_alloc+0x120/0x120 [ 406.678264] 0 pages in swap cache [ 406.682045] ? find_held_lock+0x36/0x1c0 [ 406.690591] Swap cache stats: add 0, delete 0, find 0/0 [ 406.694465] ? print_usage_bug+0xc0/0xc0 [ 406.698258] Free swap = 0kB [ 406.701724] ? print_usage_bug+0xc0/0xc0 [ 406.705758] Total swap = 0kB [ 406.711124] ? mark_held_locks+0x130/0x130 [ 406.715168] 1965979 pages RAM [ 406.718171] ? mark_held_locks+0x130/0x130 [ 406.722202] 0 pages HighMem/MovableOnly [ 406.725208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.729411] 342853 pages reserved [ 406.732518] ? should_fail+0x22d/0xd01 [ 406.736723] 0 pages cma reserved [ 406.740681] ? zap_class+0x640/0x640 [ 406.746331] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.749627] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.753483] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 406.756835] ? __lock_acquire+0x62f/0x4c20 [ 406.785355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.790454] ? __lock_acquire+0x62f/0x4c20 [ 406.794780] ? should_fail+0x22d/0xd01 [ 406.798670] ? mark_held_locks+0x130/0x130 [ 406.802916] ? mark_held_locks+0x130/0x130 [ 406.807148] ? lock_downgrade+0x900/0x900 [ 406.811293] ? zap_class+0x640/0x640 [ 406.815005] ? zap_class+0x640/0x640 [ 406.818714] ? zap_class+0x640/0x640 [ 406.822420] ? do_raw_spin_unlock+0xa7/0x330 [ 406.826825] ? trace_hardirqs_on+0x310/0x310 [ 406.831235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.836768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.842300] ? check_preemption_disabled+0x48/0x280 [ 406.847627] ? __lock_is_held+0xb5/0x140 [ 406.851691] __alloc_pages_nodemask+0xa80/0xde0 [ 406.856356] ? zap_class+0x640/0x640 [ 406.860087] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 406.865128] ? find_held_lock+0x36/0x1c0 [ 406.869934] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.874616] ? lock_downgrade+0x900/0x900 [ 406.878768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.884304] cache_grow_begin+0xa5/0x8c0 [ 406.888363] ? do_raw_spin_unlock+0xa7/0x330 [ 406.892777] fallback_alloc+0x204/0x2e0 [ 406.896761] ____cache_alloc_node+0x1c7/0x1e0 [ 406.901255] kmem_cache_alloc_node+0xe3/0x730 [ 406.905748] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.910334] __alloc_skb+0x119/0x770 [ 406.914040] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 406.919400] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.923808] ? vprintk_default+0x28/0x30 [ 406.927869] ? vprintk_func+0x85/0x181 [ 406.931751] ? printk+0xa7/0xcf [ 406.935025] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 406.939784] new_skb+0x26/0x1c0 [ 406.943057] aoecmd_cfg+0x279/0x7f0 [ 406.946689] ? find_held_lock+0x36/0x1c0 [ 406.950746] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 406.955073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.960623] ? __lock_is_held+0xb5/0x140 [ 406.964689] discover_timer+0x50/0x60 [ 406.969219] call_timer_fn+0x272/0x920 [ 406.973108] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 406.978380] ? process_timeout+0x40/0x40 [ 406.982446] ? __run_timers+0x7da/0xc70 [ 406.986415] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.990916] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.995533] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 407.000372] ? lockdep_hardirqs_on+0x296/0x5b0 [ 407.004950] ? trace_hardirqs_on+0xbd/0x310 [ 407.009267] ? kasan_check_read+0x11/0x20 [ 407.013961] ? __run_timers+0x7da/0xc70 [ 407.017936] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.023045] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 407.027885] __run_timers+0x7e5/0xc70 [ 407.031689] ? timer_fixup_init+0x70/0x70 [ 407.035868] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.040380] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.044879] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.049457] ? trace_hardirqs_on+0xbd/0x310 [ 407.054329] ? kasan_check_read+0x11/0x20 [ 407.058473] ? finish_task_switch+0x1f4/0x910 [ 407.062963] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.068512] ? compat_start_thread+0x80/0x80 [ 407.072934] ? pvclock_read_flags+0x160/0x160 [ 407.077425] ? __switch_to_asm+0x34/0x70 [ 407.081498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.087043] ? check_preemption_disabled+0x48/0x280 [ 407.092066] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 407.097607] ? rcu_pm_notify+0xc0/0xc0 [ 407.101488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.107024] ? check_preemption_disabled+0x48/0x280 [ 407.112042] run_timer_softirq+0x52/0xb0 [ 407.116122] ? rcu_read_lock_sched_held+0x14f/0x180 [ 407.121135] __do_softirq+0x308/0xb7e [ 407.124938] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.130389] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 407.135506] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.140973] ? schedule+0x108/0x460 [ 407.144594] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.149356] ? trace_hardirqs_off+0xb8/0x310 [ 407.153758] ? smpboot_thread_fn+0x68b/0xa00 [ 407.158169] ? trace_hardirqs_on+0x310/0x310 [ 407.162573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.168441] ? check_preemption_disabled+0x48/0x280 [ 407.173456] ? takeover_tasklets+0xa90/0xa90 [ 407.177862] run_ksoftirqd+0x5e/0x100 [ 407.181663] smpboot_thread_fn+0x68b/0xa00 [ 407.185896] ? sort_range+0x30/0x30 [ 407.189522] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.194622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.200155] ? __kthread_parkme+0xfb/0x1a0 [ 407.204405] ? sort_range+0x30/0x30 [ 407.208028] kthread+0x35a/0x440 [ 407.211404] ? kthread_stop+0x900/0x900 [ 407.215375] ret_from_fork+0x3a/0x50 [ 407.219105] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 407.219165] aoe: skb alloc failure [ 407.225855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.225878] Call Trace: [ 407.225895] dump_stack+0x244/0x39d [ 407.225914] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.229464] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.238794] warn_alloc.cold.116+0xb7/0x1bd [ 407.241343] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 407.244964] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.274752] ? lock_downgrade+0x900/0x900 [ 407.278901] ? trace_hardirqs_off+0xb8/0x310 [ 407.283331] ? trace_hardirqs_off+0xb8/0x310 [ 407.287843] __alloc_pages_slowpath+0x26e8/0x2e10 [ 407.292707] ? warn_alloc+0x120/0x120 [ 407.296503] ? warn_alloc+0x120/0x120 [ 407.300300] ? warn_alloc+0x120/0x120 [ 407.304097] ? trace_hardirqs_off+0xb8/0x310 [ 407.308502] ? print_usage_bug+0xc0/0xc0 [ 407.312563] ? print_usage_bug+0xc0/0xc0 [ 407.316622] ? __lock_acquire+0x62f/0x4c20 [ 407.320864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.326423] ? should_fail+0x22d/0xd01 [ 407.330317] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.335430] ? __lock_acquire+0x62f/0x4c20 [ 407.339679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.344778] ? __lock_acquire+0x62f/0x4c20 [ 407.349026] ? should_fail+0x22d/0xd01 [ 407.352925] ? mark_held_locks+0x130/0x130 [ 407.357161] ? mark_held_locks+0x130/0x130 [ 407.361419] ? zap_class+0x640/0x640 [ 407.365127] ? ret_from_fork+0x3a/0x50 [ 407.369342] ? __lock_acquire+0x62f/0x4c20 [ 407.373571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.379449] ? check_preemption_disabled+0x48/0x280 [ 407.384477] ? __lock_is_held+0xb5/0x140 [ 407.388537] __alloc_pages_nodemask+0xa80/0xde0 [ 407.393212] ? zap_class+0x640/0x640 [ 407.396922] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 407.401943] ? find_held_lock+0x36/0x1c0 [ 407.406019] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.410690] ? lock_downgrade+0x900/0x900 [ 407.414839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.420391] cache_grow_begin+0xa5/0x8c0 [ 407.424444] ? do_raw_spin_unlock+0xa7/0x330 [ 407.428854] fallback_alloc+0x204/0x2e0 [ 407.432841] ____cache_alloc_node+0x1c7/0x1e0 [ 407.437337] kmem_cache_alloc_node+0xe3/0x730 [ 407.441824] ? mark_held_locks+0xc7/0x130 [ 407.445974] __alloc_skb+0x119/0x770 [ 407.449686] ? netdev_alloc_frag+0x1f0/0x1f0 [ 407.454087] ? do_raw_spin_trylock+0x270/0x270 [ 407.458665] ? kmem_cache_alloc_trace+0x353/0x750 [ 407.463506] ? queue_work_on+0x12c/0x1e0 [ 407.467907] ? switchdev_port_obj_del+0xdc/0x440 [ 407.472663] ? switchdev_trans_item_enqueue+0x260/0x260 [ 407.478043] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 407.483069] __br_mdb_notify+0x4ff/0x15d0 [ 407.487211] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.492316] ? __br_mdb_add+0x7f0/0x7f0 [ 407.496284] ? mark_held_locks+0x130/0x130 [ 407.500522] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.505624] ? debug_object_assert_init+0x368/0x4b0 [ 407.510639] ? debug_object_init_on_stack+0x20/0x20 [ 407.515831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.521368] br_mdb_notify+0x310/0x410 [ 407.525859] ? br_mdb_dump+0x27b0/0x27b0 [ 407.529929] br_multicast_del_pg+0x3df/0x790 [ 407.534339] ? br_mdb_ip_get+0x940/0x940 [ 407.538397] ? rwlock_bug.part.2+0x90/0x90 [ 407.542633] ? __lock_is_held+0xb5/0x140 [ 407.546695] br_multicast_port_group_expired+0x189/0x1e0 [ 407.552142] call_timer_fn+0x272/0x920 [ 407.556035] ? br_multicast_del_pg+0x790/0x790 [ 407.560625] ? process_timeout+0x40/0x40 [ 407.564709] ? __run_timers+0x7da/0xc70 [ 407.569063] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.573563] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.578067] ? br_multicast_del_pg+0x790/0x790 [ 407.582645] ? lockdep_hardirqs_on+0x296/0x5b0 [ 407.587222] ? trace_hardirqs_on+0xbd/0x310 [ 407.591538] ? kasan_check_read+0x11/0x20 [ 407.595680] ? __run_timers+0x7da/0xc70 [ 407.599663] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.604767] ? br_multicast_del_pg+0x790/0x790 [ 407.609354] ? br_multicast_del_pg+0x790/0x790 [ 407.613932] __run_timers+0x7e5/0xc70 [ 407.617755] ? timer_fixup_init+0x70/0x70 [ 407.621896] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.626411] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.630903] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.635481] ? trace_hardirqs_on+0xbd/0x310 [ 407.639794] ? kasan_check_read+0x11/0x20 [ 407.643952] ? finish_task_switch+0x1f4/0x910 [ 407.648440] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.653537] ? compat_start_thread+0x80/0x80 [ 407.657957] ? pvclock_read_flags+0x160/0x160 [ 407.662448] ? __switch_to_asm+0x34/0x70 [ 407.666826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.672352] ? check_preemption_disabled+0x48/0x280 [ 407.677388] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 407.682930] ? rcu_pm_notify+0xc0/0xc0 [ 407.686815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.692346] ? check_preemption_disabled+0x48/0x280 [ 407.697362] run_timer_softirq+0x52/0xb0 [ 407.701414] ? rcu_read_lock_sched_held+0x14f/0x180 [ 407.706423] __do_softirq+0x308/0xb7e [ 407.710234] ? trace_hardirqs_on_caller+0xc0/0x310 [ 407.715163] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 407.720270] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.725721] ? schedule+0x108/0x460 [ 407.729348] ? trace_hardirqs_off+0xb8/0x310 [ 407.733750] ? smpboot_thread_fn+0x68b/0xa00 [ 407.738151] ? trace_hardirqs_on+0x310/0x310 [ 407.742558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.748089] ? check_preemption_disabled+0x48/0x280 [ 407.753100] ? takeover_tasklets+0xa90/0xa90 [ 407.757500] run_ksoftirqd+0x5e/0x100 [ 407.761295] smpboot_thread_fn+0x68b/0xa00 [ 407.765522] ? sort_range+0x30/0x30 [ 407.769475] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.774585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.780119] ? __kthread_parkme+0xfb/0x1a0 [ 407.784354] ? sort_range+0x30/0x30 [ 407.787977] kthread+0x35a/0x440 [ 407.791348] ? kthread_stop+0x900/0x900 [ 407.795320] ret_from_fork+0x3a/0x50 [ 407.799045] warn_alloc_show_mem: 1 callbacks suppressed [ 407.799054] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 407.799073] Mem-Info: [ 407.799104] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 407.799104] active_file:10 inactive_file:14 isolated_file:0 [ 407.799104] unevictable:0 dirty:0 writeback:0 unstable:0 [ 407.799104] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 407.799104] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 407.799104] free:13688 free_pcp:208 free_cma:0 [ 407.804429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.804436] Call Trace: [ 407.811275] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 407.813670] dump_stack+0x244/0x39d [ 407.846705] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 407.856051] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.858606] lowmem_reserve[]: 0 2818 6321 6321 [ 407.886769] warn_alloc.cold.116+0xb7/0x1bd [ 407.890468] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 407.916571] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.921728] lowmem_reserve[]: 0 0 3503 3503 [ 407.926317] ? lock_downgrade+0x900/0x900 [ 407.930609] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 407.957927] ? trace_hardirqs_off+0xb8/0x310 [ 407.962740] lowmem_reserve[]: 0 0 0 0 [ 407.967325] ? trace_hardirqs_off+0xb8/0x310 [ 407.971441] 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 [ 408.000417] __alloc_pages_slowpath+0x26e8/0x2e10 [ 408.004794] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 408.008609] ? warn_alloc+0x120/0x120 [ 408.012969] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 408.026487] ? warn_alloc+0x120/0x120 [ 408.031305] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 408.046982] ? warn_alloc+0x120/0x120 [ 408.050763] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 408.065652] ? find_held_lock+0x36/0x1c0 [ 408.069805] 1671 total pagecache pages [ 408.078629] ? print_usage_bug+0xc0/0xc0 [ 408.082406] 0 pages in swap cache [ 408.090977] ? print_usage_bug+0xc0/0xc0 [ 408.095019] Swap cache stats: add 0, delete 0, find 0/0 [ 408.098890] ? mark_held_locks+0x130/0x130 [ 408.102923] Free swap = 0kB [ 408.106361] ? mark_held_locks+0x130/0x130 [ 408.110390] Total swap = 0kB [ 408.115744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.119943] 1965979 pages RAM [ 408.122950] ? should_fail+0x22d/0xd01 [ 408.127152] 0 pages HighMem/MovableOnly [ 408.127159] 342853 pages reserved [ 408.130245] ? zap_class+0x640/0x640 [ 408.130262] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.135789] 0 pages cma reserved [ 408.138896] ? __lock_acquire+0x62f/0x4c20 [ 408.142880] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.146714] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.150138] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 408.153834] ? __lock_acquire+0x62f/0x4c20 [ 408.153849] ? should_fail+0x22d/0xd01 [ 408.195326] ? mark_held_locks+0x130/0x130 [ 408.199559] ? mark_held_locks+0x130/0x130 [ 408.203785] ? lock_downgrade+0x900/0x900 [ 408.207929] ? zap_class+0x640/0x640 [ 408.211636] ? zap_class+0x640/0x640 [ 408.215342] ? zap_class+0x640/0x640 [ 408.219050] ? do_raw_spin_unlock+0xa7/0x330 [ 408.223449] ? trace_hardirqs_on+0x310/0x310 [ 408.227849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.233384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.238913] ? check_preemption_disabled+0x48/0x280 [ 408.243953] ? __lock_is_held+0xb5/0x140 [ 408.248020] __alloc_pages_nodemask+0xa80/0xde0 [ 408.252681] ? zap_class+0x640/0x640 [ 408.256391] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 408.261411] ? find_held_lock+0x36/0x1c0 [ 408.265476] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.270669] ? lock_downgrade+0x900/0x900 [ 408.274818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.280351] cache_grow_begin+0xa5/0x8c0 [ 408.284407] ? do_raw_spin_unlock+0xa7/0x330 [ 408.288814] fallback_alloc+0x204/0x2e0 [ 408.292785] ____cache_alloc_node+0x1c7/0x1e0 [ 408.297296] kmem_cache_alloc_node+0xe3/0x730 [ 408.301789] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.306372] __alloc_skb+0x119/0x770 [ 408.310079] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 408.315442] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.319859] ? vprintk_default+0x28/0x30 [ 408.323925] ? vprintk_func+0x85/0x181 [ 408.327806] ? printk+0xa7/0xcf [ 408.331080] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 408.335838] new_skb+0x26/0x1c0 [ 408.339113] aoecmd_cfg+0x279/0x7f0 [ 408.342739] ? find_held_lock+0x36/0x1c0 [ 408.346815] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 408.351151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.356702] ? __lock_is_held+0xb5/0x140 [ 408.360768] discover_timer+0x50/0x60 [ 408.364559] call_timer_fn+0x272/0x920 [ 408.369009] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 408.373848] ? process_timeout+0x40/0x40 [ 408.377919] ? __run_timers+0x7da/0xc70 [ 408.381887] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.386377] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.390864] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 408.395702] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.400302] ? trace_hardirqs_on+0xbd/0x310 [ 408.404621] ? kasan_check_read+0x11/0x20 [ 408.408766] ? __run_timers+0x7da/0xc70 [ 408.412748] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.417854] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 408.422688] __run_timers+0x7e5/0xc70 [ 408.426493] ? timer_fixup_init+0x70/0x70 [ 408.430632] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.435120] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.439614] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 408.444192] ? trace_hardirqs_on+0xbd/0x310 [ 408.448509] ? kasan_check_read+0x11/0x20 [ 408.452651] ? finish_task_switch+0x1f4/0x910 [ 408.457142] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.462239] ? compat_start_thread+0x80/0x80 [ 408.467195] ? pvclock_read_flags+0x160/0x160 [ 408.471687] ? __switch_to_asm+0x34/0x70 [ 408.475749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.481282] ? check_preemption_disabled+0x48/0x280 [ 408.486301] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 408.491836] ? rcu_pm_notify+0xc0/0xc0 [ 408.495735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.501269] ? check_preemption_disabled+0x48/0x280 [ 408.506283] run_timer_softirq+0x52/0xb0 [ 408.510340] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.515364] __do_softirq+0x308/0xb7e [ 408.519161] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.524625] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 408.529725] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.535176] ? schedule+0x108/0x460 [ 408.538798] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 408.543557] ? trace_hardirqs_off+0xb8/0x310 [ 408.547970] ? smpboot_thread_fn+0x68b/0xa00 [ 408.552372] ? trace_hardirqs_on+0x310/0x310 [ 408.556788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.562319] ? check_preemption_disabled+0x48/0x280 [ 408.567861] ? takeover_tasklets+0xa90/0xa90 [ 408.572265] run_ksoftirqd+0x5e/0x100 [ 408.576059] smpboot_thread_fn+0x68b/0xa00 [ 408.580307] ? sort_range+0x30/0x30 [ 408.583927] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.589032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.594561] ? __kthread_parkme+0xfb/0x1a0 [ 408.598792] ? sort_range+0x30/0x30 [ 408.602412] kthread+0x35a/0x440 [ 408.605777] ? kthread_stop+0x900/0x900 [ 408.609750] ret_from_fork+0x3a/0x50 [ 408.613474] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 408.613534] aoe: skb alloc failure [ 408.620218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.620223] Call Trace: [ 408.620239] dump_stack+0x244/0x39d [ 408.620257] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.623793] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.633113] warn_alloc.cold.116+0xb7/0x1bd [ 408.635661] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 408.639274] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.668842] ? lock_downgrade+0x900/0x900 [ 408.672991] ? trace_hardirqs_off+0xb8/0x310 [ 408.677420] ? trace_hardirqs_off+0xb8/0x310 [ 408.681828] __alloc_pages_slowpath+0x26e8/0x2e10 [ 408.686713] ? warn_alloc+0x120/0x120 [ 408.690513] ? warn_alloc+0x120/0x120 [ 408.694311] ? warn_alloc+0x120/0x120 [ 408.698106] ? trace_hardirqs_off+0xb8/0x310 [ 408.702512] ? print_usage_bug+0xc0/0xc0 [ 408.706577] ? print_usage_bug+0xc0/0xc0 [ 408.710649] ? __lock_acquire+0x62f/0x4c20 [ 408.714877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.720406] ? should_fail+0x22d/0xd01 [ 408.724306] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.729405] ? __lock_acquire+0x62f/0x4c20 [ 408.733639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.738748] ? __lock_acquire+0x62f/0x4c20 [ 408.742977] ? should_fail+0x22d/0xd01 [ 408.746872] ? mark_held_locks+0x130/0x130 [ 408.751104] ? mark_held_locks+0x130/0x130 [ 408.755354] ? zap_class+0x640/0x640 [ 408.759062] ? ret_from_fork+0x3a/0x50 [ 408.762952] ? __lock_acquire+0x62f/0x4c20 [ 408.767535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.773070] ? check_preemption_disabled+0x48/0x280 [ 408.778092] ? __lock_is_held+0xb5/0x140 [ 408.782158] __alloc_pages_nodemask+0xa80/0xde0 [ 408.786827] ? zap_class+0x640/0x640 [ 408.790539] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 408.795560] ? find_held_lock+0x36/0x1c0 [ 408.799627] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.804310] ? lock_downgrade+0x900/0x900 [ 408.808460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.813999] cache_grow_begin+0xa5/0x8c0 [ 408.818227] ? do_raw_spin_unlock+0xa7/0x330 [ 408.822635] fallback_alloc+0x204/0x2e0 [ 408.826622] ____cache_alloc_node+0x1c7/0x1e0 [ 408.831118] kmem_cache_alloc_node+0xe3/0x730 [ 408.835605] ? mark_held_locks+0xc7/0x130 [ 408.839757] __alloc_skb+0x119/0x770 [ 408.843468] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.848112] ? do_raw_spin_trylock+0x270/0x270 [ 408.852692] ? kmem_cache_alloc_trace+0x353/0x750 [ 408.857533] ? queue_work_on+0x12c/0x1e0 [ 408.861600] ? switchdev_port_obj_del+0xdc/0x440 [ 408.866367] ? switchdev_trans_item_enqueue+0x260/0x260 [ 408.872028] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.877042] __br_mdb_notify+0x4ff/0x15d0 [ 408.881188] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.886292] ? __br_mdb_add+0x7f0/0x7f0 [ 408.890280] ? mark_held_locks+0x130/0x130 [ 408.894515] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.899617] ? debug_object_assert_init+0x368/0x4b0 [ 408.904627] ? debug_object_init_on_stack+0x20/0x20 [ 408.909641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.915197] br_mdb_notify+0x310/0x410 [ 408.919082] ? br_mdb_dump+0x27b0/0x27b0 [ 408.923178] br_multicast_del_pg+0x3df/0x790 [ 408.927587] ? br_mdb_ip_get+0x940/0x940 [ 408.931643] ? rwlock_bug.part.2+0x90/0x90 [ 408.935875] ? __lock_is_held+0xb5/0x140 [ 408.939948] br_multicast_port_group_expired+0x189/0x1e0 [ 408.945394] call_timer_fn+0x272/0x920 [ 408.949277] ? br_multicast_del_pg+0x790/0x790 [ 408.953855] ? process_timeout+0x40/0x40 [ 408.957924] ? __run_timers+0x7da/0xc70 [ 408.961898] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.966394] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.971194] ? br_multicast_del_pg+0x790/0x790 [ 408.975774] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.980397] ? trace_hardirqs_on+0xbd/0x310 [ 408.984713] ? kasan_check_read+0x11/0x20 [ 408.988854] ? __run_timers+0x7da/0xc70 [ 408.992824] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.997940] ? br_multicast_del_pg+0x790/0x790 [ 409.002526] ? br_multicast_del_pg+0x790/0x790 [ 409.007098] __run_timers+0x7e5/0xc70 [ 409.010905] ? timer_fixup_init+0x70/0x70 [ 409.015276] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.019854] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.024346] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.028934] ? trace_hardirqs_on+0xbd/0x310 [ 409.033252] ? kasan_check_read+0x11/0x20 [ 409.037397] ? finish_task_switch+0x1f4/0x910 [ 409.041887] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.046991] ? compat_start_thread+0x80/0x80 [ 409.051410] ? pvclock_read_flags+0x160/0x160 [ 409.055904] ? __switch_to_asm+0x34/0x70 [ 409.059974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.065506] ? check_preemption_disabled+0x48/0x280 [ 409.070805] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 409.076336] ? rcu_pm_notify+0xc0/0xc0 [ 409.080231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.085759] ? check_preemption_disabled+0x48/0x280 [ 409.090809] run_timer_softirq+0x52/0xb0 [ 409.094870] ? rcu_read_lock_sched_held+0x14f/0x180 [ 409.099898] __do_softirq+0x308/0xb7e [ 409.103701] ? trace_hardirqs_on_caller+0xc0/0x310 [ 409.108629] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.113726] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.119183] ? schedule+0x108/0x460 [ 409.122812] ? trace_hardirqs_off+0xb8/0x310 [ 409.127232] ? smpboot_thread_fn+0x68b/0xa00 [ 409.131638] ? trace_hardirqs_on+0x310/0x310 [ 409.136040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.141574] ? check_preemption_disabled+0x48/0x280 [ 409.146605] ? takeover_tasklets+0xa90/0xa90 [ 409.151021] run_ksoftirqd+0x5e/0x100 [ 409.154819] smpboot_thread_fn+0x68b/0xa00 [ 409.159052] ? sort_range+0x30/0x30 [ 409.162675] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.168036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.173568] ? __kthread_parkme+0xfb/0x1a0 [ 409.177797] ? sort_range+0x30/0x30 [ 409.181419] kthread+0x35a/0x440 [ 409.184869] ? kthread_stop+0x900/0x900 [ 409.188858] ret_from_fork+0x3a/0x50 [ 409.192584] warn_alloc_show_mem: 1 callbacks suppressed [ 409.192593] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 409.192594] Mem-Info: [ 409.192625] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 409.192625] active_file:10 inactive_file:14 isolated_file:0 [ 409.192625] unevictable:0 dirty:0 writeback:0 unstable:0 [ 409.192625] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 409.192625] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 409.192625] free:13688 free_pcp:208 free_cma:0 [ 409.197973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.204809] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 409.207200] Call Trace: [ 409.240243] 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 [ 409.249590] dump_stack+0x244/0x39d [ 409.277536] lowmem_reserve[]: 0 2818 6321 6321 [ 409.280121] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.306197] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 409.309825] warn_alloc.cold.116+0xb7/0x1bd [ 409.314367] lowmem_reserve[]: 0 0 3503 3503 [ 409.319568] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.346859] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 409.351176] ? lock_downgrade+0x900/0x900 [ 409.355465] lowmem_reserve[]: 0 0 0 0 [ 409.360309] ? trace_hardirqs_off+0xb8/0x310 [ 409.389620] 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 [ 409.393766] ? trace_hardirqs_off+0xb8/0x310 [ 409.397532] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 409.401934] __alloc_pages_slowpath+0x26e8/0x2e10 [ 409.415424] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 409.419844] ? warn_alloc+0x120/0x120 [ 409.435496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 409.440323] ? warn_alloc+0x120/0x120 [ 409.455210] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 409.459079] ? warn_alloc+0x120/0x120 [ 409.468252] 1671 total pagecache pages [ 409.472041] ? find_held_lock+0x36/0x1c0 [ 409.480594] 0 pages in swap cache [ 409.484374] ? print_usage_bug+0xc0/0xc0 [ 409.488232] Swap cache stats: add 0, delete 0, find 0/0 [ 409.492280] ? print_usage_bug+0xc0/0xc0 [ 409.496272] Free swap = 0kB [ 409.500319] ? mark_held_locks+0x130/0x130 [ 409.505652] Total swap = 0kB [ 409.509698] ? mark_held_locks+0x130/0x130 [ 409.512697] 1965979 pages RAM [ 409.516936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.519925] 0 pages HighMem/MovableOnly [ 409.524147] ? should_fail+0x22d/0xd01 [ 409.527222] 342853 pages reserved [ 409.532741] ? zap_class+0x640/0x640 [ 409.536690] 0 pages cma reserved [ 409.540563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.544137] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.547686] ? __lock_acquire+0x62f/0x4c20 [ 409.551024] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 409.556125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.580843] ? __lock_acquire+0x62f/0x4c20 [ 409.585079] ? should_fail+0x22d/0xd01 [ 409.588970] ? mark_held_locks+0x130/0x130 [ 409.593207] ? mark_held_locks+0x130/0x130 [ 409.597438] ? lock_downgrade+0x900/0x900 [ 409.601581] ? zap_class+0x640/0x640 [ 409.605293] ? zap_class+0x640/0x640 [ 409.609015] ? zap_class+0x640/0x640 [ 409.612721] ? do_raw_spin_unlock+0xa7/0x330 [ 409.617128] ? trace_hardirqs_on+0x310/0x310 [ 409.621533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.627066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.632600] ? check_preemption_disabled+0x48/0x280 [ 409.637626] ? __lock_is_held+0xb5/0x140 [ 409.641689] __alloc_pages_nodemask+0xa80/0xde0 [ 409.646354] ? zap_class+0x640/0x640 [ 409.650069] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 409.655088] ? find_held_lock+0x36/0x1c0 [ 409.659151] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.663818] ? lock_downgrade+0x900/0x900 [ 409.668467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.674003] cache_grow_begin+0xa5/0x8c0 [ 409.678085] ? do_raw_spin_unlock+0xa7/0x330 [ 409.682496] fallback_alloc+0x204/0x2e0 [ 409.686562] ____cache_alloc_node+0x1c7/0x1e0 [ 409.691059] kmem_cache_alloc_node+0xe3/0x730 [ 409.695552] ? lockdep_hardirqs_on+0x296/0x5b0 [ 409.700139] __alloc_skb+0x119/0x770 [ 409.703863] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 409.709227] ? netdev_alloc_frag+0x1f0/0x1f0 [ 409.713638] ? vprintk_default+0x28/0x30 [ 409.717693] ? vprintk_func+0x85/0x181 [ 409.721578] ? printk+0xa7/0xcf [ 409.724861] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 409.729631] new_skb+0x26/0x1c0 [ 409.732906] aoecmd_cfg+0x279/0x7f0 [ 409.736529] ? find_held_lock+0x36/0x1c0 [ 409.740590] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 409.744928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.750473] ? __lock_is_held+0xb5/0x140 [ 409.754538] discover_timer+0x50/0x60 [ 409.758331] call_timer_fn+0x272/0x920 [ 409.762217] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 409.767748] ? process_timeout+0x40/0x40 [ 409.771808] ? __run_timers+0x7da/0xc70 [ 409.775785] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.780274] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.784765] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 409.789608] ? lockdep_hardirqs_on+0x296/0x5b0 [ 409.794188] ? trace_hardirqs_on+0xbd/0x310 [ 409.798507] ? kasan_check_read+0x11/0x20 [ 409.802650] ? __run_timers+0x7da/0xc70 [ 409.806620] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.811729] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 409.816564] __run_timers+0x7e5/0xc70 [ 409.820370] ? timer_fixup_init+0x70/0x70 [ 409.824513] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.829003] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.833496] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.838084] ? trace_hardirqs_on+0xbd/0x310 [ 409.842401] ? kasan_check_read+0x11/0x20 [ 409.846543] ? finish_task_switch+0x1f4/0x910 [ 409.851036] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.856133] ? compat_start_thread+0x80/0x80 [ 409.860553] ? pvclock_read_flags+0x160/0x160 [ 409.865044] ? __switch_to_asm+0x34/0x70 [ 409.869846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.875383] ? check_preemption_disabled+0x48/0x280 [ 409.880405] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 409.885939] ? rcu_pm_notify+0xc0/0xc0 [ 409.889830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.895379] ? check_preemption_disabled+0x48/0x280 [ 409.900395] run_timer_softirq+0x52/0xb0 [ 409.904452] ? rcu_read_lock_sched_held+0x14f/0x180 [ 409.909463] __do_softirq+0x308/0xb7e [ 409.913266] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.918719] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.923828] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.929282] ? schedule+0x108/0x460 [ 409.932912] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 409.937671] ? trace_hardirqs_off+0xb8/0x310 [ 409.942073] ? smpboot_thread_fn+0x68b/0xa00 [ 409.946480] ? trace_hardirqs_on+0x310/0x310 [ 409.950887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.956419] ? check_preemption_disabled+0x48/0x280 [ 409.961433] ? takeover_tasklets+0xa90/0xa90 [ 409.965845] run_ksoftirqd+0x5e/0x100 [ 409.970170] smpboot_thread_fn+0x68b/0xa00 [ 409.974405] ? sort_range+0x30/0x30 [ 409.978029] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.983129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.988663] ? __kthread_parkme+0xfb/0x1a0 [ 409.992897] ? sort_range+0x30/0x30 [ 409.996524] kthread+0x35a/0x440 [ 409.999888] ? kthread_stop+0x900/0x900 [ 410.003877] ret_from_fork+0x3a/0x50 [ 410.007608] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 410.007670] aoe: skb alloc failure [ 410.014356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.014363] Call Trace: [ 410.017946] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.027234] dump_stack+0x244/0x39d [ 410.029793] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 410.040103] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.053545] warn_alloc.cold.116+0xb7/0x1bd [ 410.057865] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.062725] ? lock_downgrade+0x900/0x900 [ 410.067175] ? trace_hardirqs_off+0xb8/0x310 [ 410.071588] ? trace_hardirqs_off+0xb8/0x310 [ 410.076000] __alloc_pages_slowpath+0x26e8/0x2e10 [ 410.080865] ? warn_alloc+0x120/0x120 [ 410.084668] ? warn_alloc+0x120/0x120 [ 410.088469] ? warn_alloc+0x120/0x120 [ 410.092264] ? trace_hardirqs_off+0xb8/0x310 [ 410.096669] ? print_usage_bug+0xc0/0xc0 [ 410.100731] ? print_usage_bug+0xc0/0xc0 [ 410.104791] ? __lock_acquire+0x62f/0x4c20 [ 410.109035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.114581] ? should_fail+0x22d/0xd01 [ 410.118482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.123594] ? __lock_acquire+0x62f/0x4c20 [ 410.127835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.132929] ? __lock_acquire+0x62f/0x4c20 [ 410.137157] ? should_fail+0x22d/0xd01 [ 410.141067] ? mark_held_locks+0x130/0x130 [ 410.145321] ? mark_held_locks+0x130/0x130 [ 410.149563] ? zap_class+0x640/0x640 [ 410.153270] ? ret_from_fork+0x3a/0x50 [ 410.157155] ? __lock_acquire+0x62f/0x4c20 [ 410.161387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.167225] ? check_preemption_disabled+0x48/0x280 [ 410.172247] ? __lock_is_held+0xb5/0x140 [ 410.176310] __alloc_pages_nodemask+0xa80/0xde0 [ 410.180974] ? zap_class+0x640/0x640 [ 410.184687] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 410.189706] ? find_held_lock+0x36/0x1c0 [ 410.193770] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.198443] ? lock_downgrade+0x900/0x900 [ 410.202590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.208127] cache_grow_begin+0xa5/0x8c0 [ 410.212199] ? do_raw_spin_unlock+0xa7/0x330 [ 410.216607] fallback_alloc+0x204/0x2e0 [ 410.220580] ____cache_alloc_node+0x1c7/0x1e0 [ 410.225093] kmem_cache_alloc_node+0xe3/0x730 [ 410.229588] ? mark_held_locks+0xc7/0x130 [ 410.233741] __alloc_skb+0x119/0x770 [ 410.237454] ? netdev_alloc_frag+0x1f0/0x1f0 [ 410.241859] ? do_raw_spin_trylock+0x270/0x270 [ 410.246439] ? kmem_cache_alloc_trace+0x353/0x750 [ 410.251305] ? queue_work_on+0x12c/0x1e0 [ 410.255371] ? switchdev_port_obj_del+0xdc/0x440 [ 410.260123] ? switchdev_trans_item_enqueue+0x260/0x260 [ 410.265485] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.270803] __br_mdb_notify+0x4ff/0x15d0 [ 410.274947] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 410.280056] ? __br_mdb_add+0x7f0/0x7f0 [ 410.284030] ? mark_held_locks+0x130/0x130 [ 410.288267] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 410.293367] ? debug_object_assert_init+0x368/0x4b0 [ 410.298379] ? debug_object_init_on_stack+0x20/0x20 [ 410.303392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.308941] br_mdb_notify+0x310/0x410 [ 410.312826] ? br_mdb_dump+0x27b0/0x27b0 [ 410.316896] br_multicast_del_pg+0x3df/0x790 [ 410.321304] ? br_mdb_ip_get+0x940/0x940 [ 410.325363] ? rwlock_bug.part.2+0x90/0x90 [ 410.329600] ? __lock_is_held+0xb5/0x140 [ 410.333668] br_multicast_port_group_expired+0x189/0x1e0 [ 410.339117] call_timer_fn+0x272/0x920 [ 410.343002] ? br_multicast_del_pg+0x790/0x790 [ 410.347582] ? process_timeout+0x40/0x40 [ 410.351658] ? __run_timers+0x7da/0xc70 [ 410.355627] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.360115] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.364616] ? br_multicast_del_pg+0x790/0x790 [ 410.369474] ? lockdep_hardirqs_on+0x296/0x5b0 [ 410.374057] ? trace_hardirqs_on+0xbd/0x310 [ 410.378374] ? kasan_check_read+0x11/0x20 [ 410.382525] ? __run_timers+0x7da/0xc70 [ 410.386497] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.391624] ? br_multicast_del_pg+0x790/0x790 [ 410.396205] ? br_multicast_del_pg+0x790/0x790 [ 410.400802] __run_timers+0x7e5/0xc70 [ 410.404607] ? timer_fixup_init+0x70/0x70 [ 410.408751] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.413243] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.417733] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 410.422311] ? trace_hardirqs_on+0xbd/0x310 [ 410.426625] ? kasan_check_read+0x11/0x20 [ 410.430787] ? finish_task_switch+0x1f4/0x910 [ 410.435277] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.440374] ? compat_start_thread+0x80/0x80 [ 410.444804] ? pvclock_read_flags+0x160/0x160 [ 410.449305] ? __switch_to_asm+0x34/0x70 [ 410.453364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.458898] ? check_preemption_disabled+0x48/0x280 [ 410.463917] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 410.469817] ? rcu_pm_notify+0xc0/0xc0 [ 410.473704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.479236] ? check_preemption_disabled+0x48/0x280 [ 410.484255] run_timer_softirq+0x52/0xb0 [ 410.488314] ? rcu_read_lock_sched_held+0x14f/0x180 [ 410.493328] __do_softirq+0x308/0xb7e [ 410.497133] ? trace_hardirqs_on_caller+0xc0/0x310 [ 410.502059] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 410.507160] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.512611] ? schedule+0x108/0x460 [ 410.516250] ? trace_hardirqs_off+0xb8/0x310 [ 410.520653] ? smpboot_thread_fn+0x68b/0xa00 [ 410.525060] ? trace_hardirqs_on+0x310/0x310 [ 410.529552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.535084] ? check_preemption_disabled+0x48/0x280 [ 410.540100] ? takeover_tasklets+0xa90/0xa90 [ 410.544504] run_ksoftirqd+0x5e/0x100 [ 410.548300] smpboot_thread_fn+0x68b/0xa00 [ 410.552537] ? sort_range+0x30/0x30 [ 410.556158] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 410.561260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.567148] ? __kthread_parkme+0xfb/0x1a0 [ 410.571383] ? sort_range+0x30/0x30 [ 410.575005] kthread+0x35a/0x440 [ 410.578372] ? kthread_stop+0x900/0x900 [ 410.582344] ret_from_fork+0x3a/0x50 [ 410.586075] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 410.586079] warn_alloc_show_mem: 1 callbacks suppressed [ 410.586085] Mem-Info: [ 410.592917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.598277] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 410.598277] active_file:10 inactive_file:14 isolated_file:0 [ 410.598277] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.598277] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 410.598277] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 410.598277] free:13688 free_pcp:208 free_cma:0 [ 410.600644] Call Trace: [ 410.610015] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.643220] dump_stack+0x244/0x39d [ 410.645781] 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 [ 410.673927] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.677533] lowmem_reserve[]: 0 2818 6321 6321 [ 410.703639] warn_alloc.cold.116+0xb7/0x1bd [ 410.708795] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 410.713371] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.717681] lowmem_reserve[]: 0 0 3503 3503 [ 410.744994] ? lock_downgrade+0x900/0x900 [ 410.749848] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 410.754170] ? trace_hardirqs_off+0xb8/0x310 [ 410.758287] lowmem_reserve[]: 0 0 0 0 [ 410.787726] ? trace_hardirqs_off+0xb8/0x310 [ 410.792123] 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 [ 410.795919] __alloc_pages_slowpath+0x26e8/0x2e10 [ 410.800297] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 410.813834] ? warn_alloc+0x120/0x120 [ 410.818627] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 410.834311] ? warn_alloc+0x120/0x120 [ 410.838088] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 410.853215] ? warn_alloc+0x120/0x120 [ 410.857018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 410.865835] ? find_held_lock+0x36/0x1c0 [ 410.869967] 1671 total pagecache pages [ 410.878544] ? print_usage_bug+0xc0/0xc0 [ 410.882583] 0 pages in swap cache [ 410.886453] ? print_usage_bug+0xc0/0xc0 [ 410.890576] Swap cache stats: add 0, delete 0, find 0/0 [ 410.894013] ? mark_held_locks+0x130/0x130 [ 410.898045] Free swap = 0kB [ 410.903394] ? mark_held_locks+0x130/0x130 [ 410.907600] Total swap = 0kB [ 410.910609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.914814] 1965979 pages RAM [ 410.917823] ? should_fail+0x22d/0xd01 [ 410.923347] 0 pages HighMem/MovableOnly [ 410.926442] ? zap_class+0x640/0x640 [ 410.930300] 342853 pages reserved [ 410.934263] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.937949] 0 pages cma reserved [ 410.941393] ? __lock_acquire+0x62f/0x4c20 [ 410.946595] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.949827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.954044] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 410.964424] ? __lock_acquire+0x62f/0x4c20 [ 410.964438] ? should_fail+0x22d/0xd01 [ 410.982606] ? mark_held_locks+0x130/0x130 [ 410.986842] ? mark_held_locks+0x130/0x130 [ 410.991070] ? lock_downgrade+0x900/0x900 [ 410.995214] ? zap_class+0x640/0x640 [ 410.998932] ? zap_class+0x640/0x640 [ 411.002637] ? do_raw_spin_unlock+0xa7/0x330 [ 411.007060] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 411.011814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.017838] ? check_preemption_disabled+0x48/0x280 [ 411.022864] ? __lock_is_held+0xb5/0x140 [ 411.026941] __alloc_pages_nodemask+0xa80/0xde0 [ 411.031611] ? zap_class+0x640/0x640 [ 411.035326] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 411.040364] ? find_held_lock+0x36/0x1c0 [ 411.044430] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.049094] ? lock_downgrade+0x900/0x900 [ 411.053725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.059268] cache_grow_begin+0xa5/0x8c0 [ 411.063327] ? do_raw_spin_unlock+0xa7/0x330 [ 411.068445] fallback_alloc+0x204/0x2e0 [ 411.072429] ____cache_alloc_node+0x1c7/0x1e0 [ 411.076929] kmem_cache_alloc_node+0xe3/0x730 [ 411.081421] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.086009] __alloc_skb+0x119/0x770 [ 411.089724] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 411.095091] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.099505] ? vprintk_default+0x28/0x30 [ 411.103563] ? vprintk_func+0x85/0x181 [ 411.107460] ? printk+0xa7/0xcf [ 411.110753] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 411.115512] new_skb+0x26/0x1c0 [ 411.118787] aoecmd_cfg+0x279/0x7f0 [ 411.122409] ? find_held_lock+0x36/0x1c0 [ 411.126468] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 411.130799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.136344] ? __lock_is_held+0xb5/0x140 [ 411.140408] discover_timer+0x50/0x60 [ 411.144205] call_timer_fn+0x272/0x920 [ 411.148088] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 411.152936] ? process_timeout+0x40/0x40 [ 411.157016] ? __run_timers+0x7da/0xc70 [ 411.160999] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.165491] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.170664] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 411.175504] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.180187] ? trace_hardirqs_on+0xbd/0x310 [ 411.184517] ? kasan_check_read+0x11/0x20 [ 411.188660] ? __run_timers+0x7da/0xc70 [ 411.192635] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.197747] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 411.202583] __run_timers+0x7e5/0xc70 [ 411.206384] ? timer_fixup_init+0x70/0x70 [ 411.210530] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.215018] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.219511] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 411.224087] ? trace_hardirqs_on+0xbd/0x310 [ 411.228404] ? kasan_check_read+0x11/0x20 [ 411.232551] ? finish_task_switch+0x1f4/0x910 [ 411.237045] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.242143] ? compat_start_thread+0x80/0x80 [ 411.246563] ? pvclock_read_flags+0x160/0x160 [ 411.251051] ? __switch_to_asm+0x34/0x70 [ 411.255108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.260641] ? check_preemption_disabled+0x48/0x280 [ 411.265658] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 411.271876] ? rcu_pm_notify+0xc0/0xc0 [ 411.275760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.281294] ? check_preemption_disabled+0x48/0x280 [ 411.286323] run_timer_softirq+0x52/0xb0 [ 411.290379] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.295394] __do_softirq+0x308/0xb7e [ 411.299193] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.304645] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.309745] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.315199] ? schedule+0x108/0x460 [ 411.318831] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 411.323591] ? trace_hardirqs_off+0xb8/0x310 [ 411.327998] ? smpboot_thread_fn+0x68b/0xa00 [ 411.332405] ? trace_hardirqs_on+0x310/0x310 [ 411.336826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.342361] ? check_preemption_disabled+0x48/0x280 [ 411.347374] ? takeover_tasklets+0xa90/0xa90 [ 411.351776] run_ksoftirqd+0x5e/0x100 [ 411.355571] smpboot_thread_fn+0x68b/0xa00 [ 411.359817] ? sort_range+0x30/0x30 [ 411.363473] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.369344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.374876] ? __kthread_parkme+0xfb/0x1a0 [ 411.379109] ? sort_range+0x30/0x30 [ 411.382737] kthread+0x35a/0x440 [ 411.386097] ? kthread_stop+0x900/0x900 [ 411.390166] ret_from_fork+0x3a/0x50 [ 411.393893] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 411.393956] aoe: skb alloc failure [ 411.400657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.400662] Call Trace: [ 411.400680] dump_stack+0x244/0x39d [ 411.400706] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.404258] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.413598] warn_alloc.cold.116+0xb7/0x1bd [ 411.416150] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 411.419764] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.449015] ? lock_downgrade+0x900/0x900 [ 411.453165] ? trace_hardirqs_off+0xb8/0x310 [ 411.457573] ? trace_hardirqs_off+0xb8/0x310 [ 411.461986] __alloc_pages_slowpath+0x26e8/0x2e10 [ 411.467141] ? warn_alloc+0x120/0x120 [ 411.470946] ? warn_alloc+0x120/0x120 [ 411.474748] ? warn_alloc+0x120/0x120 [ 411.478543] ? trace_hardirqs_off+0xb8/0x310 [ 411.482951] ? print_usage_bug+0xc0/0xc0 [ 411.487014] ? print_usage_bug+0xc0/0xc0 [ 411.491079] ? __lock_acquire+0x62f/0x4c20 [ 411.495313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.500845] ? should_fail+0x22d/0xd01 [ 411.504734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.509831] ? __lock_acquire+0x62f/0x4c20 [ 411.514063] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.519162] ? __lock_acquire+0x62f/0x4c20 [ 411.523392] ? should_fail+0x22d/0xd01 [ 411.527283] ? mark_held_locks+0x130/0x130 [ 411.531519] ? mark_held_locks+0x130/0x130 [ 411.535756] ? zap_class+0x640/0x640 [ 411.539465] ? ret_from_fork+0x3a/0x50 [ 411.543876] ? __lock_acquire+0x62f/0x4c20 [ 411.548106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.553644] ? check_preemption_disabled+0x48/0x280 [ 411.558669] ? __lock_is_held+0xb5/0x140 [ 411.562836] __alloc_pages_nodemask+0xa80/0xde0 [ 411.567796] ? zap_class+0x640/0x640 [ 411.571523] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 411.576548] ? find_held_lock+0x36/0x1c0 [ 411.580612] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.585276] ? lock_downgrade+0x900/0x900 [ 411.589424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.594962] cache_grow_begin+0xa5/0x8c0 [ 411.599017] ? do_raw_spin_unlock+0xa7/0x330 [ 411.603431] fallback_alloc+0x204/0x2e0 [ 411.607406] ____cache_alloc_node+0x1c7/0x1e0 [ 411.611900] kmem_cache_alloc_node+0xe3/0x730 [ 411.616394] ? mark_held_locks+0xc7/0x130 [ 411.620545] __alloc_skb+0x119/0x770 [ 411.624259] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.628665] ? do_raw_spin_trylock+0x270/0x270 [ 411.633251] ? kmem_cache_alloc_trace+0x353/0x750 [ 411.638096] ? queue_work_on+0x12c/0x1e0 [ 411.642159] ? switchdev_port_obj_del+0xdc/0x440 [ 411.646912] ? switchdev_trans_item_enqueue+0x260/0x260 [ 411.652277] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 411.657293] __br_mdb_notify+0x4ff/0x15d0 [ 411.661451] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.666841] ? __br_mdb_add+0x7f0/0x7f0 [ 411.670812] ? mark_held_locks+0x130/0x130 [ 411.675049] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.680148] ? debug_object_assert_init+0x368/0x4b0 [ 411.685163] ? debug_object_init_on_stack+0x20/0x20 [ 411.690177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.695714] br_mdb_notify+0x310/0x410 [ 411.699598] ? br_mdb_dump+0x27b0/0x27b0 [ 411.703679] br_multicast_del_pg+0x3df/0x790 [ 411.708088] ? br_mdb_ip_get+0x940/0x940 [ 411.712144] ? rwlock_bug.part.2+0x90/0x90 [ 411.716375] ? __lock_is_held+0xb5/0x140 [ 411.720438] br_multicast_port_group_expired+0x189/0x1e0 [ 411.725884] call_timer_fn+0x272/0x920 [ 411.729771] ? br_multicast_del_pg+0x790/0x790 [ 411.734347] ? process_timeout+0x40/0x40 [ 411.738409] ? __run_timers+0x7da/0xc70 [ 411.742466] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.746953] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.751442] ? br_multicast_del_pg+0x790/0x790 [ 411.756031] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.760610] ? trace_hardirqs_on+0xbd/0x310 [ 411.764931] ? kasan_check_read+0x11/0x20 [ 411.769343] ? __run_timers+0x7da/0xc70 [ 411.773319] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.778439] ? br_multicast_del_pg+0x790/0x790 [ 411.783025] ? br_multicast_del_pg+0x790/0x790 [ 411.787603] __run_timers+0x7e5/0xc70 [ 411.791410] ? timer_fixup_init+0x70/0x70 [ 411.795554] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.800079] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.804572] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 411.809237] ? trace_hardirqs_on+0xbd/0x310 [ 411.813551] ? kasan_check_read+0x11/0x20 [ 411.817697] ? finish_task_switch+0x1f4/0x910 [ 411.822189] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.827290] ? compat_start_thread+0x80/0x80 [ 411.831712] ? pvclock_read_flags+0x160/0x160 [ 411.836198] ? __switch_to_asm+0x34/0x70 [ 411.840256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.845791] ? check_preemption_disabled+0x48/0x280 [ 411.850810] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 411.856343] ? rcu_pm_notify+0xc0/0xc0 [ 411.860227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.865759] ? check_preemption_disabled+0x48/0x280 [ 411.871121] run_timer_softirq+0x52/0xb0 [ 411.875178] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.880189] __do_softirq+0x308/0xb7e [ 411.883989] ? trace_hardirqs_on_caller+0xc0/0x310 [ 411.888924] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.894021] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.899477] ? schedule+0x108/0x460 [ 411.903105] ? trace_hardirqs_off+0xb8/0x310 [ 411.907510] ? smpboot_thread_fn+0x68b/0xa00 [ 411.911918] ? trace_hardirqs_on+0x310/0x310 [ 411.916337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.921869] ? check_preemption_disabled+0x48/0x280 [ 411.926884] ? takeover_tasklets+0xa90/0xa90 [ 411.931292] run_ksoftirqd+0x5e/0x100 [ 411.935086] smpboot_thread_fn+0x68b/0xa00 [ 411.939330] ? sort_range+0x30/0x30 [ 411.942955] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.948057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.953619] ? __kthread_parkme+0xfb/0x1a0 [ 411.957864] ? sort_range+0x30/0x30 [ 411.961493] kthread+0x35a/0x440 [ 411.964867] ? kthread_stop+0x900/0x900 [ 411.969125] ret_from_fork+0x3a/0x50 [ 411.972851] warn_alloc_show_mem: 1 callbacks suppressed [ 411.972860] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 411.972861] Mem-Info: [ 411.972894] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 411.972894] active_file:10 inactive_file:14 isolated_file:0 [ 411.972894] unevictable:0 dirty:0 writeback:0 unstable:0 [ 411.972894] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 411.972894] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 411.972894] free:13688 free_pcp:208 free_cma:0 [ 411.978226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.985062] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 411.987451] Call Trace: [ 412.020599] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 412.030070] dump_stack+0x244/0x39d [ 412.057715] lowmem_reserve[]: 0 2818 6321 6321 [ 412.060295] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.086691] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 412.090325] warn_alloc.cold.116+0xb7/0x1bd [ 412.094954] lowmem_reserve[]: 0 0 3503 3503 [ 412.100132] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.127689] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 412.132005] ? lock_downgrade+0x900/0x900 [ 412.136304] lowmem_reserve[]: 0 0 0 0 [ 412.141145] ? trace_hardirqs_off+0xb8/0x310 [ 412.170784] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 412.174940] ? trace_hardirqs_off+0xb8/0x310 [ 412.178711] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 412.183116] __alloc_pages_slowpath+0x26e8/0x2e10 [ 412.196604] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 412.201049] ? warn_alloc+0x120/0x120 [ 412.216700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 412.221530] ? warn_alloc+0x120/0x120 [ 412.236956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 412.236964] 1671 total pagecache pages [ 412.240756] ? warn_alloc+0x120/0x120 [ 412.249580] 0 pages in swap cache [ 412.253393] ? find_held_lock+0x36/0x1c0 [ 412.261939] Swap cache stats: add 0, delete 0, find 0/0 [ 412.261946] Free swap = 0kB [ 412.265824] ? print_usage_bug+0xc0/0xc0 [ 412.269902] Total swap = 0kB [ 412.269910] 1965979 pages RAM [ 412.273353] ? print_usage_bug+0xc0/0xc0 [ 412.277386] 0 pages HighMem/MovableOnly [ 412.282751] ? mark_held_locks+0x130/0x130 [ 412.285761] 342853 pages reserved [ 412.290254] ? mark_held_locks+0x130/0x130 [ 412.293242] 0 pages cma reserved [ 412.293380] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.296348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.300380] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 412.304344] ? should_fail+0x22d/0xd01 [ 412.343891] ? zap_class+0x640/0x640 [ 412.347614] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.352717] ? __lock_acquire+0x62f/0x4c20 [ 412.356950] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.362055] ? __lock_acquire+0x62f/0x4c20 [ 412.367014] ? should_fail+0x22d/0xd01 [ 412.370907] ? mark_held_locks+0x130/0x130 [ 412.375141] ? mark_held_locks+0x130/0x130 [ 412.379376] ? lock_downgrade+0x900/0x900 [ 412.383521] ? zap_class+0x640/0x640 [ 412.387231] ? zap_class+0x640/0x640 [ 412.390943] ? zap_class+0x640/0x640 [ 412.394650] ? do_raw_spin_unlock+0xa7/0x330 [ 412.399494] ? trace_hardirqs_on+0x310/0x310 [ 412.403897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.409435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.414983] ? check_preemption_disabled+0x48/0x280 [ 412.420004] ? __lock_is_held+0xb5/0x140 [ 412.424068] __alloc_pages_nodemask+0xa80/0xde0 [ 412.428734] ? zap_class+0x640/0x640 [ 412.432457] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 412.437476] ? find_held_lock+0x36/0x1c0 [ 412.441555] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.446220] ? lock_downgrade+0x900/0x900 [ 412.450373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.455911] cache_grow_begin+0xa5/0x8c0 [ 412.459970] ? do_raw_spin_unlock+0xa7/0x330 [ 412.464388] fallback_alloc+0x204/0x2e0 [ 412.468913] ____cache_alloc_node+0x1c7/0x1e0 [ 412.473409] kmem_cache_alloc_node+0xe3/0x730 [ 412.478077] ? lockdep_hardirqs_on+0x296/0x5b0 [ 412.482663] __alloc_skb+0x119/0x770 [ 412.486373] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 412.491751] ? netdev_alloc_frag+0x1f0/0x1f0 [ 412.496162] ? vprintk_default+0x28/0x30 [ 412.501183] ? vprintk_func+0x85/0x181 [ 412.505069] ? printk+0xa7/0xcf [ 412.508362] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 412.513122] new_skb+0x26/0x1c0 [ 412.516396] aoecmd_cfg+0x279/0x7f0 [ 412.520020] ? find_held_lock+0x36/0x1c0 [ 412.524090] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 412.528499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.534043] ? __lock_is_held+0xb5/0x140 [ 412.538109] discover_timer+0x50/0x60 [ 412.541905] call_timer_fn+0x272/0x920 [ 412.545791] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 412.550631] ? process_timeout+0x40/0x40 [ 412.554693] ? __run_timers+0x7da/0xc70 [ 412.558751] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.563250] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.568377] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 412.573217] ? lockdep_hardirqs_on+0x296/0x5b0 [ 412.577799] ? trace_hardirqs_on+0xbd/0x310 [ 412.582117] ? kasan_check_read+0x11/0x20 [ 412.586263] ? __run_timers+0x7da/0xc70 [ 412.590235] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.595351] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 412.600189] __run_timers+0x7e5/0xc70 [ 412.604010] ? timer_fixup_init+0x70/0x70 [ 412.608155] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.612646] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.617143] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 412.621744] ? trace_hardirqs_on+0xbd/0x310 [ 412.626068] ? kasan_check_read+0x11/0x20 [ 412.630228] ? finish_task_switch+0x1f4/0x910 [ 412.634720] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.639823] ? compat_start_thread+0x80/0x80 [ 412.644245] ? pvclock_read_flags+0x160/0x160 [ 412.648731] ? __switch_to_asm+0x34/0x70 [ 412.652791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.658342] ? check_preemption_disabled+0x48/0x280 [ 412.663374] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 412.669412] ? rcu_pm_notify+0xc0/0xc0 [ 412.673296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.678830] ? check_preemption_disabled+0x48/0x280 [ 412.683847] run_timer_softirq+0x52/0xb0 [ 412.687906] ? rcu_read_lock_sched_held+0x14f/0x180 [ 412.692916] __do_softirq+0x308/0xb7e [ 412.696731] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.702179] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 412.707279] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.712732] ? schedule+0x108/0x460 [ 412.716356] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 412.721115] ? trace_hardirqs_off+0xb8/0x310 [ 412.725521] ? smpboot_thread_fn+0x68b/0xa00 [ 412.729925] ? trace_hardirqs_on+0x310/0x310 [ 412.734334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.739873] ? check_preemption_disabled+0x48/0x280 [ 412.744885] ? takeover_tasklets+0xa90/0xa90 [ 412.749292] run_ksoftirqd+0x5e/0x100 [ 412.753088] smpboot_thread_fn+0x68b/0xa00 [ 412.757322] ? sort_range+0x30/0x30 [ 412.760949] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.766559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.772098] ? __kthread_parkme+0xfb/0x1a0 [ 412.776455] ? sort_range+0x30/0x30 [ 412.780076] kthread+0x35a/0x440 [ 412.783439] ? kthread_stop+0x900/0x900 [ 412.787413] ret_from_fork+0x3a/0x50 [ 412.791166] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 412.791224] aoe: skb alloc failure [ 412.797912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.797917] Call Trace: [ 412.797936] dump_stack+0x244/0x39d [ 412.797955] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.801489] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.810834] warn_alloc.cold.116+0xb7/0x1bd [ 412.813382] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 412.816999] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.846842] ? lock_downgrade+0x900/0x900 [ 412.851010] ? trace_hardirqs_off+0xb8/0x310 [ 412.855421] ? trace_hardirqs_off+0xb8/0x310 [ 412.859837] __alloc_pages_slowpath+0x26e8/0x2e10 [ 412.864702] ? warn_alloc+0x120/0x120 [ 412.868842] ? warn_alloc+0x120/0x120 [ 412.872648] ? warn_alloc+0x120/0x120 [ 412.876459] ? trace_hardirqs_off+0xb8/0x310 [ 412.880868] ? print_usage_bug+0xc0/0xc0 [ 412.884949] ? print_usage_bug+0xc0/0xc0 [ 412.889013] ? __lock_acquire+0x62f/0x4c20 [ 412.893244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.898777] ? should_fail+0x22d/0xd01 [ 412.902667] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.907767] ? __lock_acquire+0x62f/0x4c20 [ 412.912004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.917102] ? __lock_acquire+0x62f/0x4c20 [ 412.921330] ? should_fail+0x22d/0xd01 [ 412.925226] ? mark_held_locks+0x130/0x130 [ 412.929465] ? mark_held_locks+0x130/0x130 [ 412.933703] ? zap_class+0x640/0x640 [ 412.937418] ? ret_from_fork+0x3a/0x50 [ 412.941305] ? __lock_acquire+0x62f/0x4c20 [ 412.945541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.951081] ? check_preemption_disabled+0x48/0x280 [ 412.956101] ? __lock_is_held+0xb5/0x140 [ 412.960164] __alloc_pages_nodemask+0xa80/0xde0 [ 412.964833] ? zap_class+0x640/0x640 [ 412.968909] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 412.973929] ? find_held_lock+0x36/0x1c0 [ 412.977993] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.982663] ? lock_downgrade+0x900/0x900 [ 412.986827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.992372] cache_grow_begin+0xa5/0x8c0 [ 412.996427] ? do_raw_spin_unlock+0xa7/0x330 [ 413.000845] fallback_alloc+0x204/0x2e0 [ 413.004828] ____cache_alloc_node+0x1c7/0x1e0 [ 413.009323] kmem_cache_alloc_node+0xe3/0x730 [ 413.013989] ? mark_held_locks+0xc7/0x130 [ 413.018146] __alloc_skb+0x119/0x770 [ 413.021862] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.026267] ? do_raw_spin_trylock+0x270/0x270 [ 413.030849] ? kmem_cache_alloc_trace+0x353/0x750 [ 413.035694] ? queue_work_on+0x12c/0x1e0 [ 413.039782] ? switchdev_port_obj_del+0xdc/0x440 [ 413.044539] ? switchdev_trans_item_enqueue+0x260/0x260 [ 413.049925] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.054941] __br_mdb_notify+0x4ff/0x15d0 [ 413.059084] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 413.064189] ? __br_mdb_add+0x7f0/0x7f0 [ 413.068457] ? mark_held_locks+0x130/0x130 [ 413.072694] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 413.077804] ? debug_object_assert_init+0x368/0x4b0 [ 413.082822] ? debug_object_init_on_stack+0x20/0x20 [ 413.087836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.093381] br_mdb_notify+0x310/0x410 [ 413.097265] ? br_mdb_dump+0x27b0/0x27b0 [ 413.101334] br_multicast_del_pg+0x3df/0x790 [ 413.105747] ? br_mdb_ip_get+0x940/0x940 [ 413.109824] ? rwlock_bug.part.2+0x90/0x90 [ 413.114072] ? __lock_is_held+0xb5/0x140 [ 413.118138] br_multicast_port_group_expired+0x189/0x1e0 [ 413.123675] call_timer_fn+0x272/0x920 [ 413.127569] ? br_multicast_del_pg+0x790/0x790 [ 413.132147] ? process_timeout+0x40/0x40 [ 413.136211] ? __run_timers+0x7da/0xc70 [ 413.140181] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.144669] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.149159] ? br_multicast_del_pg+0x790/0x790 [ 413.154610] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.159193] ? trace_hardirqs_on+0xbd/0x310 [ 413.163514] ? kasan_check_read+0x11/0x20 [ 413.168016] ? __run_timers+0x7da/0xc70 [ 413.171988] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.177112] ? br_multicast_del_pg+0x790/0x790 [ 413.181702] ? br_multicast_del_pg+0x790/0x790 [ 413.186277] __run_timers+0x7e5/0xc70 [ 413.190095] ? timer_fixup_init+0x70/0x70 [ 413.194237] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.198738] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.203231] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 413.207814] ? trace_hardirqs_on+0xbd/0x310 [ 413.212126] ? kasan_check_read+0x11/0x20 [ 413.216282] ? finish_task_switch+0x1f4/0x910 [ 413.220771] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.225877] ? compat_start_thread+0x80/0x80 [ 413.230313] ? pvclock_read_flags+0x160/0x160 [ 413.234802] ? __switch_to_asm+0x34/0x70 [ 413.238865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.244410] ? check_preemption_disabled+0x48/0x280 [ 413.249432] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 413.254964] ? rcu_pm_notify+0xc0/0xc0 [ 413.258852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.264384] ? check_preemption_disabled+0x48/0x280 [ 413.269761] run_timer_softirq+0x52/0xb0 [ 413.273823] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.278834] __do_softirq+0x308/0xb7e [ 413.282643] ? trace_hardirqs_on_caller+0xc0/0x310 [ 413.287572] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.292672] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.298126] ? schedule+0x108/0x460 [ 413.301757] ? trace_hardirqs_off+0xb8/0x310 [ 413.306163] ? smpboot_thread_fn+0x68b/0xa00 [ 413.310576] ? trace_hardirqs_on+0x310/0x310 [ 413.315003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.320544] ? check_preemption_disabled+0x48/0x280 [ 413.325571] ? takeover_tasklets+0xa90/0xa90 [ 413.329976] run_ksoftirqd+0x5e/0x100 [ 413.333789] smpboot_thread_fn+0x68b/0xa00 [ 413.338022] ? sort_range+0x30/0x30 [ 413.341688] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 413.346803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.352337] ? __kthread_parkme+0xfb/0x1a0 [ 413.356567] ? sort_range+0x30/0x30 [ 413.360192] kthread+0x35a/0x440 [ 413.363561] ? kthread_stop+0x900/0x900 [ 413.367841] ret_from_fork+0x3a/0x50 [ 413.371575] warn_alloc_show_mem: 1 callbacks suppressed [ 413.371585] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 413.371586] Mem-Info: [ 413.371616] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 413.371616] active_file:10 inactive_file:14 isolated_file:0 [ 413.371616] unevictable:0 dirty:0 writeback:0 unstable:0 [ 413.371616] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 413.371616] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 413.371616] free:13688 free_pcp:208 free_cma:0 [ 413.376955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.383796] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 413.386181] Call Trace: [ 413.419215] 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 [ 413.428564] dump_stack+0x244/0x39d [ 413.456218] lowmem_reserve[]: 0 2818 6321 6321 [ 413.458802] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.485161] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 413.488798] warn_alloc.cold.116+0xb7/0x1bd [ 413.493349] lowmem_reserve[]: 0 0 3503 3503 [ 413.498533] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.525828] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 413.530159] ? lock_downgrade+0x900/0x900 [ 413.534457] lowmem_reserve[]: 0 0 0 0 [ 413.539302] ? trace_hardirqs_off+0xb8/0x310 [ 413.568582] 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 [ 413.572726] ? trace_hardirqs_off+0xb8/0x310 [ 413.576493] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 413.580905] __alloc_pages_slowpath+0x26e8/0x2e10 [ 413.594654] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 413.599078] ? warn_alloc+0x120/0x120 [ 413.614729] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 413.619559] ? warn_alloc+0x120/0x120 [ 413.634457] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 413.638243] ? warn_alloc+0x120/0x120 [ 413.647062] 1671 total pagecache pages [ 413.650851] ? find_held_lock+0x36/0x1c0 [ 413.659417] 0 pages in swap cache [ 413.663204] ? print_usage_bug+0xc0/0xc0 [ 413.667357] Swap cache stats: add 0, delete 0, find 0/0 [ 413.671408] ? print_usage_bug+0xc0/0xc0 [ 413.674843] Free swap = 0kB [ 413.678894] ? mark_held_locks+0x130/0x130 [ 413.684229] Total swap = 0kB [ 413.688282] ? mark_held_locks+0x130/0x130 [ 413.691285] 1965979 pages RAM [ 413.695513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.698510] 0 pages HighMem/MovableOnly [ 413.702746] ? should_fail+0x22d/0xd01 [ 413.705827] 342853 pages reserved [ 413.711349] ? zap_class+0x640/0x640 [ 413.715293] 0 pages cma reserved [ 413.715431] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.719783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.723230] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 413.726938] ? __lock_acquire+0x62f/0x4c20 [ 413.754545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.759645] ? __lock_acquire+0x62f/0x4c20 [ 413.763889] ? should_fail+0x22d/0xd01 [ 413.768554] ? mark_held_locks+0x130/0x130 [ 413.772793] ? mark_held_locks+0x130/0x130 [ 413.777022] ? lock_downgrade+0x900/0x900 [ 413.781182] ? zap_class+0x640/0x640 [ 413.784891] ? zap_class+0x640/0x640 [ 413.788600] ? zap_class+0x640/0x640 [ 413.792307] ? do_raw_spin_unlock+0xa7/0x330 [ 413.796712] ? trace_hardirqs_on+0x310/0x310 [ 413.801120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.806661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.812195] ? check_preemption_disabled+0x48/0x280 [ 413.817217] ? __lock_is_held+0xb5/0x140 [ 413.821284] __alloc_pages_nodemask+0xa80/0xde0 [ 413.825949] ? zap_class+0x640/0x640 [ 413.829689] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 413.834716] ? find_held_lock+0x36/0x1c0 [ 413.838784] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.843449] ? lock_downgrade+0x900/0x900 [ 413.847607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.853142] cache_grow_begin+0xa5/0x8c0 [ 413.857213] ? do_raw_spin_unlock+0xa7/0x330 [ 413.861642] fallback_alloc+0x204/0x2e0 [ 413.865617] ____cache_alloc_node+0x1c7/0x1e0 [ 413.870875] kmem_cache_alloc_node+0xe3/0x730 [ 413.875377] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.879963] __alloc_skb+0x119/0x770 [ 413.883671] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 413.889036] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.893446] ? vprintk_default+0x28/0x30 [ 413.897513] ? vprintk_func+0x85/0x181 [ 413.901396] ? printk+0xa7/0xcf [ 413.904671] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 413.909528] new_skb+0x26/0x1c0 [ 413.912804] aoecmd_cfg+0x279/0x7f0 [ 413.916428] ? find_held_lock+0x36/0x1c0 [ 413.920703] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 413.925038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.930578] ? __lock_is_held+0xb5/0x140 [ 413.934645] discover_timer+0x50/0x60 [ 413.938441] call_timer_fn+0x272/0x920 [ 413.942344] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 413.947180] ? process_timeout+0x40/0x40 [ 413.951248] ? __run_timers+0x7da/0xc70 [ 413.955225] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.959713] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.964202] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 413.969550] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.974128] ? trace_hardirqs_on+0xbd/0x310 [ 413.978446] ? kasan_check_read+0x11/0x20 [ 413.982685] ? __run_timers+0x7da/0xc70 [ 413.986657] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.991765] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 413.996601] __run_timers+0x7e5/0xc70 [ 414.000410] ? timer_fixup_init+0x70/0x70 [ 414.004552] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.009041] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.013536] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 414.018113] ? trace_hardirqs_on+0xbd/0x310 [ 414.022432] ? kasan_check_read+0x11/0x20 [ 414.026585] ? finish_task_switch+0x1f4/0x910 [ 414.031081] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.036185] ? compat_start_thread+0x80/0x80 [ 414.040632] ? pvclock_read_flags+0x160/0x160 [ 414.045124] ? __switch_to_asm+0x34/0x70 [ 414.049185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.054724] ? check_preemption_disabled+0x48/0x280 [ 414.059746] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 414.065282] ? rcu_pm_notify+0xc0/0xc0 [ 414.069903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.075436] ? check_preemption_disabled+0x48/0x280 [ 414.080466] run_timer_softirq+0x52/0xb0 [ 414.084524] ? rcu_read_lock_sched_held+0x14f/0x180 [ 414.089652] __do_softirq+0x308/0xb7e [ 414.093466] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.098916] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 414.104014] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.109473] ? schedule+0x108/0x460 [ 414.113098] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 414.117855] ? trace_hardirqs_off+0xb8/0x310 [ 414.122261] ? smpboot_thread_fn+0x68b/0xa00 [ 414.126664] ? trace_hardirqs_on+0x310/0x310 [ 414.131070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.136601] ? check_preemption_disabled+0x48/0x280 [ 414.141613] ? takeover_tasklets+0xa90/0xa90 [ 414.146020] run_ksoftirqd+0x5e/0x100 [ 414.149814] smpboot_thread_fn+0x68b/0xa00 [ 414.154046] ? sort_range+0x30/0x30 [ 414.157667] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.162771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.168863] ? __kthread_parkme+0xfb/0x1a0 [ 414.173100] ? sort_range+0x30/0x30 [ 414.176723] kthread+0x35a/0x440 [ 414.180115] ? kthread_stop+0x900/0x900 [ 414.184086] ret_from_fork+0x3a/0x50 [ 414.187815] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 414.187877] aoe: skb alloc failure [ 414.194560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.194567] Call Trace: [ 414.198143] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.207437] dump_stack+0x244/0x39d [ 414.210002] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 414.220318] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.233774] warn_alloc.cold.116+0xb7/0x1bd [ 414.238091] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.242933] ? lock_downgrade+0x900/0x900 [ 414.247082] ? trace_hardirqs_off+0xb8/0x310 [ 414.251492] ? trace_hardirqs_off+0xb8/0x310 [ 414.255902] __alloc_pages_slowpath+0x26e8/0x2e10 [ 414.260763] ? warn_alloc+0x120/0x120 [ 414.264562] ? warn_alloc+0x120/0x120 [ 414.268721] ? warn_alloc+0x120/0x120 [ 414.272519] ? trace_hardirqs_off+0xb8/0x310 [ 414.276924] ? print_usage_bug+0xc0/0xc0 [ 414.280986] ? print_usage_bug+0xc0/0xc0 [ 414.285051] ? __lock_acquire+0x62f/0x4c20 [ 414.289301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.294833] ? should_fail+0x22d/0xd01 [ 414.298733] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.303829] ? __lock_acquire+0x62f/0x4c20 [ 414.308061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.313157] ? __lock_acquire+0x62f/0x4c20 [ 414.317385] ? should_fail+0x22d/0xd01 [ 414.321287] ? mark_held_locks+0x130/0x130 [ 414.325520] ? mark_held_locks+0x130/0x130 [ 414.329757] ? zap_class+0x640/0x640 [ 414.333464] ? ret_from_fork+0x3a/0x50 [ 414.337372] ? __lock_acquire+0x62f/0x4c20 [ 414.341604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.347134] ? check_preemption_disabled+0x48/0x280 [ 414.352149] ? __lock_is_held+0xb5/0x140 [ 414.356207] __alloc_pages_nodemask+0xa80/0xde0 [ 414.360868] ? zap_class+0x640/0x640 [ 414.364579] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 414.369926] ? find_held_lock+0x36/0x1c0 [ 414.373992] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.378657] ? lock_downgrade+0x900/0x900 [ 414.382810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.388345] cache_grow_begin+0xa5/0x8c0 [ 414.392406] ? do_raw_spin_unlock+0xa7/0x330 [ 414.396823] fallback_alloc+0x204/0x2e0 [ 414.400798] ____cache_alloc_node+0x1c7/0x1e0 [ 414.405291] kmem_cache_alloc_node+0xe3/0x730 [ 414.409780] ? mark_held_locks+0xc7/0x130 [ 414.413930] __alloc_skb+0x119/0x770 [ 414.417642] ? netdev_alloc_frag+0x1f0/0x1f0 [ 414.422042] ? do_raw_spin_trylock+0x270/0x270 [ 414.426633] ? kmem_cache_alloc_trace+0x353/0x750 [ 414.431476] ? queue_work_on+0x12c/0x1e0 [ 414.435538] ? switchdev_port_obj_del+0xdc/0x440 [ 414.440292] ? switchdev_trans_item_enqueue+0x260/0x260 [ 414.445663] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 414.450687] __br_mdb_notify+0x4ff/0x15d0 [ 414.454827] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.459937] ? __br_mdb_add+0x7f0/0x7f0 [ 414.463930] ? mark_held_locks+0x130/0x130 [ 414.468492] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.473590] ? debug_object_assert_init+0x368/0x4b0 [ 414.478628] ? debug_object_init_on_stack+0x20/0x20 [ 414.483644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.489185] br_mdb_notify+0x310/0x410 [ 414.493086] ? br_mdb_dump+0x27b0/0x27b0 [ 414.497161] br_multicast_del_pg+0x3df/0x790 [ 414.501594] ? br_mdb_ip_get+0x940/0x940 [ 414.506173] ? rwlock_bug.part.2+0x90/0x90 [ 414.510407] ? __lock_is_held+0xb5/0x140 [ 414.514479] br_multicast_port_group_expired+0x189/0x1e0 [ 414.519925] call_timer_fn+0x272/0x920 [ 414.523806] ? br_multicast_del_pg+0x790/0x790 [ 414.528382] ? process_timeout+0x40/0x40 [ 414.532464] ? __run_timers+0x7da/0xc70 [ 414.536437] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.540925] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.545422] ? br_multicast_del_pg+0x790/0x790 [ 414.550011] ? lockdep_hardirqs_on+0x296/0x5b0 [ 414.554589] ? trace_hardirqs_on+0xbd/0x310 [ 414.558905] ? kasan_check_read+0x11/0x20 [ 414.563048] ? __run_timers+0x7da/0xc70 [ 414.567375] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.572505] ? br_multicast_del_pg+0x790/0x790 [ 414.577089] ? br_multicast_del_pg+0x790/0x790 [ 414.581670] __run_timers+0x7e5/0xc70 [ 414.585478] ? timer_fixup_init+0x70/0x70 [ 414.589634] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.594122] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.598616] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 414.603191] ? trace_hardirqs_on+0xbd/0x310 [ 414.607508] ? kasan_check_read+0x11/0x20 [ 414.611651] ? finish_task_switch+0x1f4/0x910 [ 414.616142] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.621240] ? compat_start_thread+0x80/0x80 [ 414.625687] ? pvclock_read_flags+0x160/0x160 [ 414.630180] ? __switch_to_asm+0x34/0x70 [ 414.634250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.639798] ? check_preemption_disabled+0x48/0x280 [ 414.644821] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 414.650356] ? rcu_pm_notify+0xc0/0xc0 [ 414.654249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.659781] ? check_preemption_disabled+0x48/0x280 [ 414.664798] run_timer_softirq+0x52/0xb0 [ 414.669168] ? rcu_read_lock_sched_held+0x14f/0x180 [ 414.674180] __do_softirq+0x308/0xb7e [ 414.677978] ? trace_hardirqs_on_caller+0xc0/0x310 [ 414.682904] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 414.688001] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.693451] ? schedule+0x108/0x460 [ 414.697079] ? trace_hardirqs_off+0xb8/0x310 [ 414.701487] ? smpboot_thread_fn+0x68b/0xa00 [ 414.705895] ? trace_hardirqs_on+0x310/0x310 [ 414.710299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.715832] ? check_preemption_disabled+0x48/0x280 [ 414.720845] ? takeover_tasklets+0xa90/0xa90 [ 414.725250] run_ksoftirqd+0x5e/0x100 [ 414.729044] smpboot_thread_fn+0x68b/0xa00 [ 414.733298] ? sort_range+0x30/0x30 [ 414.736922] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.742038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.747568] ? __kthread_parkme+0xfb/0x1a0 [ 414.751815] ? sort_range+0x30/0x30 [ 414.755438] kthread+0x35a/0x440 [ 414.758811] ? kthread_stop+0x900/0x900 [ 414.762781] ret_from_fork+0x3a/0x50 [ 414.766823] warn_alloc_show_mem: 1 callbacks suppressed [ 414.766833] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 414.766835] Mem-Info: [ 414.766867] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 414.766867] active_file:10 inactive_file:14 isolated_file:0 [ 414.766867] unevictable:0 dirty:0 writeback:0 unstable:0 [ 414.766867] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 414.766867] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 414.766867] free:13688 free_pcp:208 free_cma:0 [ 414.772197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.779034] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 414.781429] Call Trace: [ 414.814461] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 414.823810] dump_stack+0x244/0x39d [ 414.851672] lowmem_reserve[]: 0 2818 6321 6321 [ 414.854262] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.880702] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 414.884329] warn_alloc.cold.116+0xb7/0x1bd [ 414.888873] lowmem_reserve[]: 0 0 3503 3503 [ 414.894059] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.921352] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 414.925668] ? lock_downgrade+0x900/0x900 [ 414.929964] lowmem_reserve[]: 0 0 0 0 [ 414.934805] ? trace_hardirqs_off+0xb8/0x310 [ 414.963743] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 414.968602] ? trace_hardirqs_off+0xb8/0x310 [ 414.972382] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 414.976801] __alloc_pages_slowpath+0x26e8/0x2e10 [ 414.990284] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 414.994713] ? warn_alloc+0x120/0x120 [ 415.010361] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 415.015675] ? warn_alloc+0x120/0x120 [ 415.030563] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 415.034346] ? warn_alloc+0x120/0x120 [ 415.043167] 1671 total pagecache pages [ 415.046953] ? find_held_lock+0x36/0x1c0 [ 415.055518] 0 pages in swap cache [ 415.059301] ? print_usage_bug+0xc0/0xc0 [ 415.063165] Swap cache stats: add 0, delete 0, find 0/0 [ 415.067724] ? print_usage_bug+0xc0/0xc0 [ 415.071159] Free swap = 0kB [ 415.075210] ? mark_held_locks+0x130/0x130 [ 415.080545] Total swap = 0kB [ 415.084598] ? mark_held_locks+0x130/0x130 [ 415.087591] 1965979 pages RAM [ 415.091815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.094801] 0 pages HighMem/MovableOnly [ 415.094808] 342853 pages reserved [ 415.099030] ? should_fail+0x22d/0xd01 [ 415.102115] 0 pages cma reserved [ 415.107642] ? zap_class+0x640/0x640 [ 415.111718] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.115026] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.118884] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 415.122237] ? __lock_acquire+0x62f/0x4c20 [ 415.150242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.155340] ? __lock_acquire+0x62f/0x4c20 [ 415.159573] ? should_fail+0x22d/0xd01 [ 415.163464] ? mark_held_locks+0x130/0x130 [ 415.168249] ? mark_held_locks+0x130/0x130 [ 415.172481] ? lock_downgrade+0x900/0x900 [ 415.176638] ? zap_class+0x640/0x640 [ 415.180348] ? zap_class+0x640/0x640 [ 415.184064] ? do_raw_spin_unlock+0xa7/0x330 [ 415.188468] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 415.193219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.198750] ? check_preemption_disabled+0x48/0x280 [ 415.203768] ? __lock_is_held+0xb5/0x140 [ 415.207840] __alloc_pages_nodemask+0xa80/0xde0 [ 415.212512] ? zap_class+0x640/0x640 [ 415.216223] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 415.221246] ? find_held_lock+0x36/0x1c0 [ 415.225310] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.229974] ? lock_downgrade+0x900/0x900 [ 415.234124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.239661] cache_grow_begin+0xa5/0x8c0 [ 415.243715] ? do_raw_spin_unlock+0xa7/0x330 [ 415.248131] fallback_alloc+0x204/0x2e0 [ 415.252113] ____cache_alloc_node+0x1c7/0x1e0 [ 415.256620] kmem_cache_alloc_node+0xe3/0x730 [ 415.261134] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.265720] __alloc_skb+0x119/0x770 [ 415.269951] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 415.275660] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.280082] ? vprintk_default+0x28/0x30 [ 415.284161] ? vprintk_func+0x85/0x181 [ 415.288046] ? printk+0xa7/0xcf [ 415.291320] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 415.296109] new_skb+0x26/0x1c0 [ 415.299385] aoecmd_cfg+0x279/0x7f0 [ 415.303010] ? find_held_lock+0x36/0x1c0 [ 415.307068] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 415.311396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.316947] ? __lock_is_held+0xb5/0x140 [ 415.321012] discover_timer+0x50/0x60 [ 415.324808] call_timer_fn+0x272/0x920 [ 415.328690] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 415.333528] ? process_timeout+0x40/0x40 [ 415.337591] ? __run_timers+0x7da/0xc70 [ 415.341561] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.346049] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.350540] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 415.355376] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.359955] ? trace_hardirqs_on+0xbd/0x310 [ 415.364268] ? kasan_check_read+0x11/0x20 [ 415.368899] ? __run_timers+0x7da/0xc70 [ 415.372866] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.377974] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 415.382810] __run_timers+0x7e5/0xc70 [ 415.386615] ? timer_fixup_init+0x70/0x70 [ 415.390757] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.395244] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.399733] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 415.404486] ? trace_hardirqs_on+0xbd/0x310 [ 415.408800] ? kasan_check_read+0x11/0x20 [ 415.412947] ? finish_task_switch+0x1f4/0x910 [ 415.417439] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.422538] ? compat_start_thread+0x80/0x80 [ 415.426960] ? pvclock_read_flags+0x160/0x160 [ 415.431461] ? __switch_to_asm+0x34/0x70 [ 415.435518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.441052] ? check_preemption_disabled+0x48/0x280 [ 415.446074] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 415.451614] ? rcu_pm_notify+0xc0/0xc0 [ 415.455493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.461037] ? check_preemption_disabled+0x48/0x280 [ 415.466663] run_timer_softirq+0x52/0xb0 [ 415.470717] ? rcu_read_lock_sched_held+0x14f/0x180 [ 415.475726] __do_softirq+0x308/0xb7e [ 415.479970] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.485432] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 415.490529] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.496335] ? schedule+0x108/0x460 [ 415.499958] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 415.504718] ? trace_hardirqs_off+0xb8/0x310 [ 415.509133] ? smpboot_thread_fn+0x68b/0xa00 [ 415.513537] ? trace_hardirqs_on+0x310/0x310 [ 415.517943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.523476] ? check_preemption_disabled+0x48/0x280 [ 415.528507] ? takeover_tasklets+0xa90/0xa90 [ 415.532911] run_ksoftirqd+0x5e/0x100 [ 415.536705] smpboot_thread_fn+0x68b/0xa00 [ 415.540939] ? sort_range+0x30/0x30 [ 415.544560] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.549658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.555193] ? __kthread_parkme+0xfb/0x1a0 [ 415.559437] ? sort_range+0x30/0x30 [ 415.563062] kthread+0x35a/0x440 [ 415.567165] ? kthread_stop+0x900/0x900 [ 415.571224] ret_from_fork+0x3a/0x50 [ 415.574965] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 415.575027] aoe: skb alloc failure [ 415.581713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.581718] Call Trace: [ 415.581736] dump_stack+0x244/0x39d [ 415.581754] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.585293] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.594620] warn_alloc.cold.116+0xb7/0x1bd [ 415.597171] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 415.600788] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.630113] ? lock_downgrade+0x900/0x900 [ 415.634262] ? trace_hardirqs_off+0xb8/0x310 [ 415.638674] ? trace_hardirqs_off+0xb8/0x310 [ 415.643088] __alloc_pages_slowpath+0x26e8/0x2e10 [ 415.647952] ? warn_alloc+0x120/0x120 [ 415.651755] ? warn_alloc+0x120/0x120 [ 415.655555] ? warn_alloc+0x120/0x120 [ 415.659366] ? trace_hardirqs_off+0xb8/0x310 [ 415.663772] ? print_usage_bug+0xc0/0xc0 [ 415.668139] ? print_usage_bug+0xc0/0xc0 [ 415.672197] ? __lock_acquire+0x62f/0x4c20 [ 415.676426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.681960] ? should_fail+0x22d/0xd01 [ 415.685865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.690964] ? __lock_acquire+0x62f/0x4c20 [ 415.695210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.700305] ? __lock_acquire+0x62f/0x4c20 [ 415.704539] ? should_fail+0x22d/0xd01 [ 415.708434] ? mark_held_locks+0x130/0x130 [ 415.712668] ? mark_held_locks+0x130/0x130 [ 415.716903] ? zap_class+0x640/0x640 [ 415.720625] ? ret_from_fork+0x3a/0x50 [ 415.724511] ? __lock_acquire+0x62f/0x4c20 [ 415.728744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.734274] ? check_preemption_disabled+0x48/0x280 [ 415.739295] ? __lock_is_held+0xb5/0x140 [ 415.743368] __alloc_pages_nodemask+0xa80/0xde0 [ 415.748032] ? zap_class+0x640/0x640 [ 415.751741] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 415.756843] ? find_held_lock+0x36/0x1c0 [ 415.760905] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.765587] ? lock_downgrade+0x900/0x900 [ 415.770078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.775618] cache_grow_begin+0xa5/0x8c0 [ 415.779778] ? do_raw_spin_unlock+0xa7/0x330 [ 415.784187] fallback_alloc+0x204/0x2e0 [ 415.788162] ____cache_alloc_node+0x1c7/0x1e0 [ 415.792661] kmem_cache_alloc_node+0xe3/0x730 [ 415.797150] ? mark_held_locks+0xc7/0x130 [ 415.801311] __alloc_skb+0x119/0x770 [ 415.805030] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.809432] ? do_raw_spin_trylock+0x270/0x270 [ 415.814014] ? kmem_cache_alloc_trace+0x353/0x750 [ 415.818871] ? queue_work_on+0x12c/0x1e0 [ 415.822935] ? switchdev_port_obj_del+0xdc/0x440 [ 415.828088] ? switchdev_trans_item_enqueue+0x260/0x260 [ 415.833448] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.838464] __br_mdb_notify+0x4ff/0x15d0 [ 415.842620] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 415.847725] ? __br_mdb_add+0x7f0/0x7f0 [ 415.851697] ? mark_held_locks+0x130/0x130 [ 415.855932] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.861069] ? debug_object_assert_init+0x368/0x4b0 [ 415.866371] ? debug_object_init_on_stack+0x20/0x20 [ 415.871387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.876924] br_mdb_notify+0x310/0x410 [ 415.880805] ? br_mdb_dump+0x27b0/0x27b0 [ 415.884891] br_multicast_del_pg+0x3df/0x790 [ 415.889308] ? br_mdb_ip_get+0x940/0x940 [ 415.893366] ? rwlock_bug.part.2+0x90/0x90 [ 415.897601] ? __lock_is_held+0xb5/0x140 [ 415.901665] br_multicast_port_group_expired+0x189/0x1e0 [ 415.907112] call_timer_fn+0x272/0x920 [ 415.910996] ? br_multicast_del_pg+0x790/0x790 [ 415.915580] ? process_timeout+0x40/0x40 [ 415.919646] ? __run_timers+0x7da/0xc70 [ 415.923615] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.928102] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.932612] ? br_multicast_del_pg+0x790/0x790 [ 415.937191] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.941782] ? trace_hardirqs_on+0xbd/0x310 [ 415.946099] ? kasan_check_read+0x11/0x20 [ 415.950256] ? __run_timers+0x7da/0xc70 [ 415.954226] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.959330] ? br_multicast_del_pg+0x790/0x790 [ 415.963919] ? br_multicast_del_pg+0x790/0x790 [ 415.968809] __run_timers+0x7e5/0xc70 [ 415.972612] ? timer_fixup_init+0x70/0x70 [ 415.976756] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.981245] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.985734] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 415.990319] ? trace_hardirqs_on+0xbd/0x310 [ 415.994633] ? kasan_check_read+0x11/0x20 [ 415.998777] ? finish_task_switch+0x1f4/0x910 [ 416.003279] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.008487] ? compat_start_thread+0x80/0x80 [ 416.012908] ? pvclock_read_flags+0x160/0x160 [ 416.017397] ? __switch_to_asm+0x34/0x70 [ 416.021454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.026990] ? check_preemption_disabled+0x48/0x280 [ 416.032008] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 416.037547] ? rcu_pm_notify+0xc0/0xc0 [ 416.041431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.046964] ? check_preemption_disabled+0x48/0x280 [ 416.051992] run_timer_softirq+0x52/0xb0 [ 416.056048] ? rcu_read_lock_sched_held+0x14f/0x180 [ 416.061064] __do_softirq+0x308/0xb7e [ 416.065038] ? trace_hardirqs_on_caller+0xc0/0x310 [ 416.070266] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 416.075372] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.080844] ? schedule+0x108/0x460 [ 416.084475] ? trace_hardirqs_off+0xb8/0x310 [ 416.088877] ? smpboot_thread_fn+0x68b/0xa00 [ 416.093286] ? trace_hardirqs_on+0x310/0x310 [ 416.097689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.103222] ? check_preemption_disabled+0x48/0x280 [ 416.108235] ? takeover_tasklets+0xa90/0xa90 [ 416.112663] run_ksoftirqd+0x5e/0x100 [ 416.116457] smpboot_thread_fn+0x68b/0xa00 [ 416.120690] ? sort_range+0x30/0x30 [ 416.124312] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.129411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.134944] ? __kthread_parkme+0xfb/0x1a0 [ 416.139189] ? sort_range+0x30/0x30 [ 416.142810] kthread+0x35a/0x440 [ 416.146174] ? kthread_stop+0x900/0x900 [ 416.150145] ret_from_fork+0x3a/0x50 [ 416.153872] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 416.153876] warn_alloc_show_mem: 1 callbacks suppressed [ 416.153883] Mem-Info: [ 416.160710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.166370] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 416.166370] active_file:10 inactive_file:14 isolated_file:0 [ 416.166370] unevictable:0 dirty:0 writeback:0 unstable:0 [ 416.166370] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 416.166370] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 416.166370] free:13688 free_pcp:208 free_cma:0 [ 416.168743] Call Trace: [ 416.178131] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 416.211153] dump_stack+0x244/0x39d [ 416.213729] 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 [ 416.241480] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.245167] lowmem_reserve[]: 0 2818 6321 6321 [ 416.271791] warn_alloc.cold.116+0xb7/0x1bd [ 416.276945] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 416.281535] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.285821] lowmem_reserve[]: 0 0 3503 3503 [ 416.313239] ? lock_downgrade+0x900/0x900 [ 416.318062] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 416.322392] ? trace_hardirqs_off+0xb8/0x310 [ 416.326525] lowmem_reserve[]: 0 0 0 0 [ 416.355498] ? trace_hardirqs_off+0xb8/0x310 [ 416.359879] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 416.363674] __alloc_pages_slowpath+0x26e8/0x2e10 [ 416.368350] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 416.381888] ? warn_alloc+0x120/0x120 [ 416.386679] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 416.402378] ? warn_alloc+0x120/0x120 [ 416.406160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 416.421065] ? warn_alloc+0x120/0x120 [ 416.424846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 416.433663] ? find_held_lock+0x36/0x1c0 [ 416.437437] 1671 total pagecache pages [ 416.446014] ? print_usage_bug+0xc0/0xc0 [ 416.450048] 0 pages in swap cache [ 416.453934] ? print_usage_bug+0xc0/0xc0 [ 416.457968] Swap cache stats: add 0, delete 0, find 0/0 [ 416.461404] ? mark_held_locks+0x130/0x130 [ 416.465439] Free swap = 0kB [ 416.471337] ? mark_held_locks+0x130/0x130 [ 416.475543] Total swap = 0kB [ 416.478550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.482753] 1965979 pages RAM [ 416.485759] ? should_fail+0x22d/0xd01 [ 416.491267] 0 pages HighMem/MovableOnly [ 416.494362] ? zap_class+0x640/0x640 [ 416.498223] 342853 pages reserved [ 416.502190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.505874] 0 pages cma reserved [ 416.509316] ? __lock_acquire+0x62f/0x4c20 [ 416.514527] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.517745] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.521953] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 416.532255] ? __lock_acquire+0x62f/0x4c20 [ 416.546209] ? should_fail+0x22d/0xd01 [ 416.550117] ? mark_held_locks+0x130/0x130 [ 416.554351] ? mark_held_locks+0x130/0x130 [ 416.558581] ? lock_downgrade+0x900/0x900 [ 416.562723] ? zap_class+0x640/0x640 [ 416.567150] ? zap_class+0x640/0x640 [ 416.570865] ? zap_class+0x640/0x640 [ 416.574575] ? do_raw_spin_unlock+0xa7/0x330 [ 416.578983] ? trace_hardirqs_on+0x310/0x310 [ 416.583392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.588925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.594459] ? check_preemption_disabled+0x48/0x280 [ 416.599480] ? __lock_is_held+0xb5/0x140 [ 416.603541] __alloc_pages_nodemask+0xa80/0xde0 [ 416.608211] ? zap_class+0x640/0x640 [ 416.611932] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 416.616956] ? find_held_lock+0x36/0x1c0 [ 416.621031] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.625709] ? lock_downgrade+0x900/0x900 [ 416.630293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.636190] cache_grow_begin+0xa5/0x8c0 [ 416.640250] ? do_raw_spin_unlock+0xa7/0x330 [ 416.644666] fallback_alloc+0x204/0x2e0 [ 416.648654] ____cache_alloc_node+0x1c7/0x1e0 [ 416.653153] kmem_cache_alloc_node+0xe3/0x730 [ 416.657644] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.662236] __alloc_skb+0x119/0x770 [ 416.666454] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 416.671815] ? netdev_alloc_frag+0x1f0/0x1f0 [ 416.676253] ? vprintk_default+0x28/0x30 [ 416.680396] ? vprintk_func+0x85/0x181 [ 416.684279] ? printk+0xa7/0xcf [ 416.687556] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 416.692320] new_skb+0x26/0x1c0 [ 416.695596] aoecmd_cfg+0x279/0x7f0 [ 416.699219] ? find_held_lock+0x36/0x1c0 [ 416.703282] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 416.707602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.713144] ? __lock_is_held+0xb5/0x140 [ 416.717210] discover_timer+0x50/0x60 [ 416.721010] call_timer_fn+0x272/0x920 [ 416.724897] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 416.729735] ? process_timeout+0x40/0x40 [ 416.733799] ? __run_timers+0x7da/0xc70 [ 416.737769] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.742261] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.746749] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 416.751590] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.756168] ? trace_hardirqs_on+0xbd/0x310 [ 416.760486] ? kasan_check_read+0x11/0x20 [ 416.764640] ? __run_timers+0x7da/0xc70 [ 416.769133] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.774259] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 416.779095] __run_timers+0x7e5/0xc70 [ 416.782900] ? timer_fixup_init+0x70/0x70 [ 416.787041] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.791534] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.796024] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 416.800602] ? trace_hardirqs_on+0xbd/0x310 [ 416.804921] ? kasan_check_read+0x11/0x20 [ 416.809088] ? finish_task_switch+0x1f4/0x910 [ 416.813582] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.818680] ? compat_start_thread+0x80/0x80 [ 416.823103] ? pvclock_read_flags+0x160/0x160 [ 416.827590] ? __switch_to_asm+0x34/0x70 [ 416.831647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.837185] ? check_preemption_disabled+0x48/0x280 [ 416.842218] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 416.847995] ? rcu_pm_notify+0xc0/0xc0 [ 416.851883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.857436] ? check_preemption_disabled+0x48/0x280 [ 416.862450] run_timer_softirq+0x52/0xb0 [ 416.867222] ? rcu_read_lock_sched_held+0x14f/0x180 [ 416.872244] __do_softirq+0x308/0xb7e [ 416.876043] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.881492] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 416.886593] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.892045] ? schedule+0x108/0x460 [ 416.895666] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.900436] ? trace_hardirqs_off+0xb8/0x310 [ 416.904839] ? smpboot_thread_fn+0x68b/0xa00 [ 416.909244] ? trace_hardirqs_on+0x310/0x310 [ 416.913651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.919183] ? check_preemption_disabled+0x48/0x280 [ 416.924210] ? takeover_tasklets+0xa90/0xa90 [ 416.928616] run_ksoftirqd+0x5e/0x100 [ 416.932410] smpboot_thread_fn+0x68b/0xa00 [ 416.936642] ? sort_range+0x30/0x30 [ 416.940267] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.945365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.950908] ? __kthread_parkme+0xfb/0x1a0 [ 416.955145] ? sort_range+0x30/0x30 [ 416.958767] kthread+0x35a/0x440 [ 416.962132] ? kthread_stop+0x900/0x900 [ 416.966850] ret_from_fork+0x3a/0x50 [ 416.970573] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 416.970637] aoe: skb alloc failure [ 416.977350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.977355] Call Trace: [ 416.977373] dump_stack+0x244/0x39d [ 416.977390] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.980948] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.990274] warn_alloc.cold.116+0xb7/0x1bd [ 416.992822] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 416.996439] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.025919] ? lock_downgrade+0x900/0x900 [ 417.030068] ? trace_hardirqs_off+0xb8/0x310 [ 417.034482] ? trace_hardirqs_off+0xb8/0x310 [ 417.038892] __alloc_pages_slowpath+0x26e8/0x2e10 [ 417.043755] ? warn_alloc+0x120/0x120 [ 417.047560] ? warn_alloc+0x120/0x120 [ 417.051361] ? warn_alloc+0x120/0x120 [ 417.055154] ? trace_hardirqs_off+0xb8/0x310 [ 417.059558] ? print_usage_bug+0xc0/0xc0 [ 417.063617] ? print_usage_bug+0xc0/0xc0 [ 417.068021] ? __lock_acquire+0x62f/0x4c20 [ 417.072256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.077791] ? should_fail+0x22d/0xd01 [ 417.081679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.086777] ? __lock_acquire+0x62f/0x4c20 [ 417.091014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.096123] ? __lock_acquire+0x62f/0x4c20 [ 417.100349] ? should_fail+0x22d/0xd01 [ 417.104242] ? mark_held_locks+0x130/0x130 [ 417.108653] ? mark_held_locks+0x130/0x130 [ 417.112891] ? zap_class+0x640/0x640 [ 417.116598] ? ret_from_fork+0x3a/0x50 [ 417.120507] ? __lock_acquire+0x62f/0x4c20 [ 417.124739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.130273] ? check_preemption_disabled+0x48/0x280 [ 417.135292] ? __lock_is_held+0xb5/0x140 [ 417.139358] __alloc_pages_nodemask+0xa80/0xde0 [ 417.144035] ? zap_class+0x640/0x640 [ 417.147778] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 417.152802] ? find_held_lock+0x36/0x1c0 [ 417.156866] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.161547] ? lock_downgrade+0x900/0x900 [ 417.166027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.171558] cache_grow_begin+0xa5/0x8c0 [ 417.175616] ? do_raw_spin_unlock+0xa7/0x330 [ 417.180028] fallback_alloc+0x204/0x2e0 [ 417.184004] ____cache_alloc_node+0x1c7/0x1e0 [ 417.188499] kmem_cache_alloc_node+0xe3/0x730 [ 417.192989] ? mark_held_locks+0xc7/0x130 [ 417.197141] __alloc_skb+0x119/0x770 [ 417.200853] ? netdev_alloc_frag+0x1f0/0x1f0 [ 417.205266] ? do_raw_spin_trylock+0x270/0x270 [ 417.209844] ? kmem_cache_alloc_trace+0x353/0x750 [ 417.214681] ? queue_work_on+0x12c/0x1e0 [ 417.218745] ? switchdev_port_obj_del+0xdc/0x440 [ 417.223495] ? switchdev_trans_item_enqueue+0x260/0x260 [ 417.228859] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 417.233876] __br_mdb_notify+0x4ff/0x15d0 [ 417.238017] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.243122] ? __br_mdb_add+0x7f0/0x7f0 [ 417.247092] ? mark_held_locks+0x130/0x130 [ 417.251330] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.256435] ? debug_object_assert_init+0x368/0x4b0 [ 417.261456] ? debug_object_init_on_stack+0x20/0x20 [ 417.266777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.272315] br_mdb_notify+0x310/0x410 [ 417.276206] ? br_mdb_dump+0x27b0/0x27b0 [ 417.280274] br_multicast_del_pg+0x3df/0x790 [ 417.284683] ? br_mdb_ip_get+0x940/0x940 [ 417.288740] ? rwlock_bug.part.2+0x90/0x90 [ 417.292974] ? __lock_is_held+0xb5/0x140 [ 417.297039] br_multicast_port_group_expired+0x189/0x1e0 [ 417.302486] call_timer_fn+0x272/0x920 [ 417.306372] ? br_multicast_del_pg+0x790/0x790 [ 417.311140] ? process_timeout+0x40/0x40 [ 417.315207] ? __run_timers+0x7da/0xc70 [ 417.319187] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.323678] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.328175] ? br_multicast_del_pg+0x790/0x790 [ 417.332752] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.337336] ? trace_hardirqs_on+0xbd/0x310 [ 417.341654] ? kasan_check_read+0x11/0x20 [ 417.345797] ? __run_timers+0x7da/0xc70 [ 417.349771] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.354873] ? br_multicast_del_pg+0x790/0x790 [ 417.359459] ? br_multicast_del_pg+0x790/0x790 [ 417.364037] __run_timers+0x7e5/0xc70 [ 417.368170] ? timer_fixup_init+0x70/0x70 [ 417.372314] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.376807] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.381304] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 417.385883] ? trace_hardirqs_on+0xbd/0x310 [ 417.390198] ? kasan_check_read+0x11/0x20 [ 417.394345] ? finish_task_switch+0x1f4/0x910 [ 417.398840] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.403938] ? compat_start_thread+0x80/0x80 [ 417.408360] ? pvclock_read_flags+0x160/0x160 [ 417.412847] ? __switch_to_asm+0x34/0x70 [ 417.416906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.422445] ? check_preemption_disabled+0x48/0x280 [ 417.427468] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 417.433013] ? rcu_pm_notify+0xc0/0xc0 [ 417.436895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.442428] ? check_preemption_disabled+0x48/0x280 [ 417.447447] run_timer_softirq+0x52/0xb0 [ 417.451502] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.456525] __do_softirq+0x308/0xb7e [ 417.460386] ? trace_hardirqs_on_caller+0xc0/0x310 [ 417.465319] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 417.470764] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.476217] ? schedule+0x108/0x460 [ 417.479846] ? trace_hardirqs_off+0xb8/0x310 [ 417.484248] ? smpboot_thread_fn+0x68b/0xa00 [ 417.488650] ? trace_hardirqs_on+0x310/0x310 [ 417.493053] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.498583] ? check_preemption_disabled+0x48/0x280 [ 417.503614] ? takeover_tasklets+0xa90/0xa90 [ 417.508019] run_ksoftirqd+0x5e/0x100 [ 417.511828] smpboot_thread_fn+0x68b/0xa00 [ 417.516060] ? sort_range+0x30/0x30 [ 417.519686] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.524875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.530411] ? __kthread_parkme+0xfb/0x1a0 [ 417.534642] ? sort_range+0x30/0x30 [ 417.538262] kthread+0x35a/0x440 [ 417.541647] ? kthread_stop+0x900/0x900 [ 417.545630] ret_from_fork+0x3a/0x50 [ 417.549351] warn_alloc_show_mem: 1 callbacks suppressed [ 417.549360] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 417.549362] Mem-Info: [ 417.549392] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 417.549392] active_file:10 inactive_file:14 isolated_file:0 [ 417.549392] unevictable:0 dirty:0 writeback:0 unstable:0 [ 417.549392] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 417.549392] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 417.549392] free:13688 free_pcp:208 free_cma:0 [ 417.554726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.561575] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 417.563962] Call Trace: [ 417.597286] 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 [ 417.606649] dump_stack+0x244/0x39d [ 417.634304] lowmem_reserve[]: 0 2818 6321 6321 [ 417.636889] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.663157] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 417.667243] warn_alloc.cold.116+0xb7/0x1bd [ 417.671803] lowmem_reserve[]: 0 0 3503 3503 [ 417.676983] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.704799] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 417.709111] ? lock_downgrade+0x900/0x900 [ 417.713401] lowmem_reserve[]: 0 0 0 0 [ 417.718242] ? trace_hardirqs_off+0xb8/0x310 [ 417.747277] 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 [ 417.751627] ? trace_hardirqs_off+0xb8/0x310 [ 417.755399] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 417.759798] __alloc_pages_slowpath+0x26e8/0x2e10 [ 417.773591] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 417.778016] ? warn_alloc+0x120/0x120 [ 417.793664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 417.798491] ? warn_alloc+0x120/0x120 [ 417.813379] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 417.817166] ? warn_alloc+0x120/0x120 [ 417.826071] 1671 total pagecache pages [ 417.829856] ? find_held_lock+0x36/0x1c0 [ 417.838412] 0 pages in swap cache [ 417.842194] ? print_usage_bug+0xc0/0xc0 [ 417.846057] Swap cache stats: add 0, delete 0, find 0/0 [ 417.850115] ? print_usage_bug+0xc0/0xc0 [ 417.853548] Free swap = 0kB [ 417.857600] ? mark_held_locks+0x130/0x130 [ 417.862933] Total swap = 0kB [ 417.867479] ? mark_held_locks+0x130/0x130 [ 417.870470] 1965979 pages RAM [ 417.874694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.877679] 0 pages HighMem/MovableOnly [ 417.877686] 342853 pages reserved [ 417.881910] ? should_fail+0x22d/0xd01 [ 417.884997] 0 pages cma reserved [ 417.890530] ? zap_class+0x640/0x640 [ 417.894603] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.897929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.901957] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 417.905313] ? __lock_acquire+0x62f/0x4c20 [ 417.933261] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.938359] ? __lock_acquire+0x62f/0x4c20 [ 417.942589] ? should_fail+0x22d/0xd01 [ 417.946484] ? mark_held_locks+0x130/0x130 [ 417.950719] ? mark_held_locks+0x130/0x130 [ 417.954947] ? lock_downgrade+0x900/0x900 [ 417.959266] ? zap_class+0x640/0x640 [ 417.962980] ? zap_class+0x640/0x640 [ 417.967396] ? zap_class+0x640/0x640 [ 417.971105] ? do_raw_spin_unlock+0xa7/0x330 [ 417.975517] ? trace_hardirqs_on+0x310/0x310 [ 417.979918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.985453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.991003] ? check_preemption_disabled+0x48/0x280 [ 417.996024] ? __lock_is_held+0xb5/0x140 [ 418.000085] __alloc_pages_nodemask+0xa80/0xde0 [ 418.004754] ? zap_class+0x640/0x640 [ 418.008481] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 418.013504] ? find_held_lock+0x36/0x1c0 [ 418.017572] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.022245] ? lock_downgrade+0x900/0x900 [ 418.026397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.031937] cache_grow_begin+0xa5/0x8c0 [ 418.035993] ? do_raw_spin_unlock+0xa7/0x330 [ 418.040576] fallback_alloc+0x204/0x2e0 [ 418.044566] ____cache_alloc_node+0x1c7/0x1e0 [ 418.049065] kmem_cache_alloc_node+0xe3/0x730 [ 418.053554] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.058144] __alloc_skb+0x119/0x770 [ 418.061854] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 418.067720] ? netdev_alloc_frag+0x1f0/0x1f0 [ 418.072135] ? vprintk_default+0x28/0x30 [ 418.076193] ? vprintk_func+0x85/0x181 [ 418.080076] ? printk+0xa7/0xcf [ 418.083357] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 418.088125] new_skb+0x26/0x1c0 [ 418.091399] aoecmd_cfg+0x279/0x7f0 [ 418.095034] ? find_held_lock+0x36/0x1c0 [ 418.099092] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 418.103422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.108968] ? __lock_is_held+0xb5/0x140 [ 418.113033] discover_timer+0x50/0x60 [ 418.116956] call_timer_fn+0x272/0x920 [ 418.120842] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 418.125682] ? process_timeout+0x40/0x40 [ 418.129757] ? __run_timers+0x7da/0xc70 [ 418.133730] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.138218] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.142706] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 418.147544] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.152130] ? trace_hardirqs_on+0xbd/0x310 [ 418.156448] ? kasan_check_read+0x11/0x20 [ 418.160594] ? __run_timers+0x7da/0xc70 [ 418.164564] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.170256] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 418.175098] __run_timers+0x7e5/0xc70 [ 418.178903] ? timer_fixup_init+0x70/0x70 [ 418.183044] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.187532] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.192036] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 418.196618] ? trace_hardirqs_on+0xbd/0x310 [ 418.200934] ? kasan_check_read+0x11/0x20 [ 418.205165] ? finish_task_switch+0x1f4/0x910 [ 418.209657] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.214755] ? compat_start_thread+0x80/0x80 [ 418.219176] ? pvclock_read_flags+0x160/0x160 [ 418.223665] ? __switch_to_asm+0x34/0x70 [ 418.227724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.233261] ? check_preemption_disabled+0x48/0x280 [ 418.238279] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 418.243813] ? rcu_pm_notify+0xc0/0xc0 [ 418.247698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.253229] ? check_preemption_disabled+0x48/0x280 [ 418.258260] run_timer_softirq+0x52/0xb0 [ 418.262325] ? rcu_read_lock_sched_held+0x14f/0x180 [ 418.268047] __do_softirq+0x308/0xb7e [ 418.271851] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.277300] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 418.282483] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.287936] ? schedule+0x108/0x460 [ 418.291558] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.296316] ? trace_hardirqs_off+0xb8/0x310 [ 418.300721] ? smpboot_thread_fn+0x68b/0xa00 [ 418.305126] ? trace_hardirqs_on+0x310/0x310 [ 418.309530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.315063] ? check_preemption_disabled+0x48/0x280 [ 418.320089] ? takeover_tasklets+0xa90/0xa90 [ 418.324494] run_ksoftirqd+0x5e/0x100 [ 418.328289] smpboot_thread_fn+0x68b/0xa00 [ 418.332544] ? sort_range+0x30/0x30 [ 418.336171] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 418.341270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.346808] ? __kthread_parkme+0xfb/0x1a0 [ 418.351042] ? sort_range+0x30/0x30 [ 418.354698] kthread+0x35a/0x440 [ 418.358062] ? kthread_stop+0x900/0x900 [ 418.362038] ret_from_fork+0x3a/0x50 [ 418.366316] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 418.366378] aoe: skb alloc failure [ 418.373069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.373082] Call Trace: [ 418.376679] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.385970] dump_stack+0x244/0x39d [ 418.388531] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 418.398830] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.412279] warn_alloc.cold.116+0xb7/0x1bd [ 418.416597] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.421442] ? lock_downgrade+0x900/0x900 [ 418.425591] ? trace_hardirqs_off+0xb8/0x310 [ 418.430000] ? trace_hardirqs_off+0xb8/0x310 [ 418.434422] __alloc_pages_slowpath+0x26e8/0x2e10 [ 418.439285] ? warn_alloc+0x120/0x120 [ 418.443091] ? warn_alloc+0x120/0x120 [ 418.446888] ? warn_alloc+0x120/0x120 [ 418.450681] ? trace_hardirqs_off+0xb8/0x310 [ 418.455093] ? print_usage_bug+0xc0/0xc0 [ 418.459151] ? print_usage_bug+0xc0/0xc0 [ 418.463210] ? __lock_acquire+0x62f/0x4c20 [ 418.467711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.473256] ? should_fail+0x22d/0xd01 [ 418.477143] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.482242] ? __lock_acquire+0x62f/0x4c20 [ 418.486475] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.491571] ? __lock_acquire+0x62f/0x4c20 [ 418.495796] ? should_fail+0x22d/0xd01 [ 418.499687] ? mark_held_locks+0x130/0x130 [ 418.503933] ? mark_held_locks+0x130/0x130 [ 418.508170] ? zap_class+0x640/0x640 [ 418.511873] ? ret_from_fork+0x3a/0x50 [ 418.515757] ? __lock_acquire+0x62f/0x4c20 [ 418.519990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.525522] ? check_preemption_disabled+0x48/0x280 [ 418.530799] ? __lock_is_held+0xb5/0x140 [ 418.534860] __alloc_pages_nodemask+0xa80/0xde0 [ 418.539538] ? zap_class+0x640/0x640 [ 418.543252] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 418.548273] ? find_held_lock+0x36/0x1c0 [ 418.552344] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.557009] ? lock_downgrade+0x900/0x900 [ 418.561162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.567047] cache_grow_begin+0xa5/0x8c0 [ 418.571115] ? do_raw_spin_unlock+0xa7/0x330 [ 418.575525] fallback_alloc+0x204/0x2e0 [ 418.579502] ____cache_alloc_node+0x1c7/0x1e0 [ 418.583998] kmem_cache_alloc_node+0xe3/0x730 [ 418.588501] ? mark_held_locks+0xc7/0x130 [ 418.592679] __alloc_skb+0x119/0x770 [ 418.596392] ? netdev_alloc_frag+0x1f0/0x1f0 [ 418.600807] ? do_raw_spin_trylock+0x270/0x270 [ 418.605386] ? kmem_cache_alloc_trace+0x353/0x750 [ 418.610227] ? queue_work_on+0x12c/0x1e0 [ 418.614290] ? switchdev_port_obj_del+0xdc/0x440 [ 418.619049] ? switchdev_trans_item_enqueue+0x260/0x260 [ 418.624507] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.629524] __br_mdb_notify+0x4ff/0x15d0 [ 418.633665] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 418.638770] ? __br_mdb_add+0x7f0/0x7f0 [ 418.642745] ? mark_held_locks+0x130/0x130 [ 418.646980] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 418.652086] ? debug_object_assert_init+0x368/0x4b0 [ 418.657102] ? debug_object_init_on_stack+0x20/0x20 [ 418.662114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.667993] br_mdb_notify+0x310/0x410 [ 418.671876] ? br_mdb_dump+0x27b0/0x27b0 [ 418.675945] br_multicast_del_pg+0x3df/0x790 [ 418.680357] ? br_mdb_ip_get+0x940/0x940 [ 418.684478] ? rwlock_bug.part.2+0x90/0x90 [ 418.688710] ? __lock_is_held+0xb5/0x140 [ 418.692796] br_multicast_port_group_expired+0x189/0x1e0 [ 418.698243] call_timer_fn+0x272/0x920 [ 418.702126] ? br_multicast_del_pg+0x790/0x790 [ 418.706702] ? process_timeout+0x40/0x40 [ 418.710768] ? __run_timers+0x7da/0xc70 [ 418.714738] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.719225] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.723717] ? br_multicast_del_pg+0x790/0x790 [ 418.728297] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.732878] ? trace_hardirqs_on+0xbd/0x310 [ 418.737193] ? kasan_check_read+0x11/0x20 [ 418.741421] ? __run_timers+0x7da/0xc70 [ 418.745388] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.750486] ? br_multicast_del_pg+0x790/0x790 [ 418.755073] ? br_multicast_del_pg+0x790/0x790 [ 418.759657] __run_timers+0x7e5/0xc70 [ 418.763459] ? timer_fixup_init+0x70/0x70 [ 418.767963] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.772449] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.776942] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 418.781521] ? trace_hardirqs_on+0xbd/0x310 [ 418.785838] ? kasan_check_read+0x11/0x20 [ 418.789985] ? finish_task_switch+0x1f4/0x910 [ 418.794478] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.799576] ? compat_start_thread+0x80/0x80 [ 418.803997] ? pvclock_read_flags+0x160/0x160 [ 418.808487] ? __switch_to_asm+0x34/0x70 [ 418.812544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.818075] ? check_preemption_disabled+0x48/0x280 [ 418.823093] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 418.828626] ? rcu_pm_notify+0xc0/0xc0 [ 418.832526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.838064] ? check_preemption_disabled+0x48/0x280 [ 418.843099] run_timer_softirq+0x52/0xb0 [ 418.847397] ? rcu_read_lock_sched_held+0x14f/0x180 [ 418.852412] __do_softirq+0x308/0xb7e [ 418.856211] ? trace_hardirqs_on_caller+0xc0/0x310 [ 418.861137] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 418.866557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.872012] ? schedule+0x108/0x460 [ 418.875650] ? trace_hardirqs_off+0xb8/0x310 [ 418.880168] ? smpboot_thread_fn+0x68b/0xa00 [ 418.884934] ? trace_hardirqs_on+0x310/0x310 [ 418.889354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.894890] ? check_preemption_disabled+0x48/0x280 [ 418.899914] ? takeover_tasklets+0xa90/0xa90 [ 418.904320] run_ksoftirqd+0x5e/0x100 [ 418.908202] smpboot_thread_fn+0x68b/0xa00 [ 418.912435] ? sort_range+0x30/0x30 [ 418.916060] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 418.921162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.926693] ? __kthread_parkme+0xfb/0x1a0 [ 418.930926] ? sort_range+0x30/0x30 [ 418.934551] kthread+0x35a/0x440 [ 418.937915] ? kthread_stop+0x900/0x900 [ 418.941883] ret_from_fork+0x3a/0x50 [ 418.945604] warn_alloc_show_mem: 1 callbacks suppressed [ 418.945613] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 418.945615] Mem-Info: [ 418.945644] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 418.945644] active_file:10 inactive_file:14 isolated_file:0 [ 418.945644] unevictable:0 dirty:0 writeback:0 unstable:0 [ 418.945644] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 418.945644] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 418.945644] free:13688 free_pcp:208 free_cma:0 [ 418.950976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.957816] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 418.960203] Call Trace: [ 418.993544] 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 [ 419.002893] dump_stack+0x244/0x39d [ 419.030758] lowmem_reserve[]: 0 2818 6321 6321 [ 419.033368] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.059438] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 419.063064] warn_alloc.cold.116+0xb7/0x1bd [ 419.067919] lowmem_reserve[]: 0 0 3503 3503 [ 419.073116] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.100408] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 419.104722] ? lock_downgrade+0x900/0x900 [ 419.109016] lowmem_reserve[]: 0 0 0 0 [ 419.113852] ? trace_hardirqs_off+0xb8/0x310 [ 419.142795] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 419.146938] ? trace_hardirqs_off+0xb8/0x310 [ 419.150707] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 419.155118] __alloc_pages_slowpath+0x26e8/0x2e10 [ 419.168939] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 419.173368] ? warn_alloc+0x120/0x120 [ 419.189025] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 419.193847] ? warn_alloc+0x120/0x120 [ 419.208736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 419.212521] ? warn_alloc+0x120/0x120 [ 419.221328] 1671 total pagecache pages [ 419.225129] ? warn_alloc+0x120/0x120 [ 419.233682] 0 pages in swap cache [ 419.237463] ? mark_held_locks+0x130/0x130 [ 419.241324] Swap cache stats: add 0, delete 0, find 0/0 [ 419.245122] ? print_usage_bug+0xc0/0xc0 [ 419.248547] Free swap = 0kB [ 419.252774] ? mark_held_locks+0x130/0x130 [ 419.258107] Total swap = 0kB [ 419.262157] ? print_usage_bug+0xc0/0xc0 [ 419.265147] 1965979 pages RAM [ 419.270122] ? zap_class+0x640/0x640 [ 419.270139] ? put_dec+0x3b/0xf0 [ 419.273133] 0 pages HighMem/MovableOnly [ 419.277184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.280260] 342853 pages reserved [ 419.280267] 0 pages cma reserved [ 419.283971] ? should_fail+0x22d/0xd01 [ 419.287439] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.291272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.296783] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 419.300223] ? __lock_acquire+0x62f/0x4c20 [ 419.331870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.336967] ? __lock_acquire+0x62f/0x4c20 [ 419.341201] ? should_fail+0x22d/0xd01 [ 419.345098] ? mark_held_locks+0x130/0x130 [ 419.349334] ? mark_held_locks+0x130/0x130 [ 419.353566] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 419.358319] ? lockdep_hardirqs_on+0x296/0x5b0 [ 419.362900] ? zap_class+0x640/0x640 [ 419.367425] ? print_usage_bug+0xc0/0xc0 [ 419.371480] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 419.376237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.381772] ? check_preemption_disabled+0x48/0x280 [ 419.386795] ? __lock_is_held+0xb5/0x140 [ 419.390860] __alloc_pages_nodemask+0xa80/0xde0 [ 419.395525] ? zap_class+0x640/0x640 [ 419.399263] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 419.404297] ? find_held_lock+0x36/0x1c0 [ 419.408363] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.413027] ? lock_downgrade+0x900/0x900 [ 419.417180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.422716] cache_grow_begin+0xa5/0x8c0 [ 419.426778] ? do_raw_spin_unlock+0xa7/0x330 [ 419.431187] fallback_alloc+0x204/0x2e0 [ 419.435162] ____cache_alloc_node+0x1c7/0x1e0 [ 419.439655] kmem_cache_alloc_node+0xe3/0x730 [ 419.444151] ? ipv6_get_ifaddr+0x42e/0x620 [ 419.448392] __alloc_skb+0x119/0x770 [ 419.452100] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.457374] ? netdev_alloc_frag+0x1f0/0x1f0 [ 419.461780] ? lock_downgrade+0x900/0x900 [ 419.466468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.472006] ? refcount_sub_and_test_checked+0x203/0x310 [ 419.477457] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 419.482903] ? addrconf_rs_timer+0x690/0x690 [ 419.487317] ndisc_alloc_skb+0x144/0x340 [ 419.491376] ndisc_send_rs+0x331/0x6e0 [ 419.496132] addrconf_rs_timer+0x314/0x690 [ 419.500371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.504611] call_timer_fn+0x272/0x920 [ 419.508496] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.512725] ? process_timeout+0x40/0x40 [ 419.516794] ? __run_timers+0x7da/0xc70 [ 419.520775] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.525263] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.529755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.533993] ? lockdep_hardirqs_on+0x296/0x5b0 [ 419.538570] ? trace_hardirqs_on+0xbd/0x310 [ 419.542899] ? kasan_check_read+0x11/0x20 [ 419.547042] ? __run_timers+0x7da/0xc70 [ 419.551016] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.556294] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 419.561137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.565366] __run_timers+0x7e5/0xc70 [ 419.569680] ? timer_fixup_init+0x70/0x70 [ 419.573824] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.578314] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.582807] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 419.587415] ? trace_hardirqs_on+0xbd/0x310 [ 419.591737] ? kasan_check_read+0x11/0x20 [ 419.595880] ? finish_task_switch+0x1f4/0x910 [ 419.600371] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.605471] ? compat_start_thread+0x80/0x80 [ 419.609899] ? pvclock_read_flags+0x160/0x160 [ 419.614386] ? __switch_to_asm+0x34/0x70 [ 419.618442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.623989] ? check_preemption_disabled+0x48/0x280 [ 419.629024] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 419.634576] ? rcu_pm_notify+0xc0/0xc0 [ 419.638457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.643991] ? check_preemption_disabled+0x48/0x280 [ 419.649010] run_timer_softirq+0x52/0xb0 [ 419.653069] ? rcu_read_lock_sched_held+0x14f/0x180 [ 419.658081] __do_softirq+0x308/0xb7e [ 419.661896] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.667833] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 419.672930] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.678385] ? schedule+0x108/0x460 [ 419.682017] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 419.686775] ? trace_hardirqs_off+0xb8/0x310 [ 419.691193] ? smpboot_thread_fn+0x68b/0xa00 [ 419.695596] ? trace_hardirqs_on+0x310/0x310 [ 419.700018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.705554] ? check_preemption_disabled+0x48/0x280 [ 419.710566] ? takeover_tasklets+0xa90/0xa90 [ 419.714974] run_ksoftirqd+0x5e/0x100 [ 419.718767] smpboot_thread_fn+0x68b/0xa00 [ 419.722998] ? sort_range+0x30/0x30 [ 419.726618] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.731717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.737246] ? __kthread_parkme+0xfb/0x1a0 [ 419.741478] ? sort_range+0x30/0x30 [ 419.745095] kthread+0x35a/0x440 [ 419.748466] ? kthread_stop+0x900/0x900 [ 419.752435] ret_from_fork+0x3a/0x50 [ 419.756334] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 419.756403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 419.763077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.763084] Call Trace: [ 419.770106] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.779370] dump_stack+0x244/0x39d [ 419.781932] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 419.792241] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.805687] warn_alloc.cold.116+0xb7/0x1bd [ 419.810010] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.814852] ? lock_downgrade+0x900/0x900 [ 419.819003] ? trace_hardirqs_off+0xb8/0x310 [ 419.823427] ? trace_hardirqs_off+0xb8/0x310 [ 419.827838] __alloc_pages_slowpath+0x26e8/0x2e10 [ 419.832699] ? warn_alloc+0x120/0x120 [ 419.836504] ? warn_alloc+0x120/0x120 [ 419.840322] ? warn_alloc+0x120/0x120 [ 419.844121] ? trace_hardirqs_off+0xb8/0x310 [ 419.848550] ? print_usage_bug+0xc0/0xc0 [ 419.853176] ? print_usage_bug+0xc0/0xc0 [ 419.857244] ? __lock_acquire+0x62f/0x4c20 [ 419.861476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.867323] ? should_fail+0x22d/0xd01 [ 419.871212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.876310] ? __lock_acquire+0x62f/0x4c20 [ 419.880546] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.885642] ? __lock_acquire+0x62f/0x4c20 [ 419.889874] ? should_fail+0x22d/0xd01 [ 419.893766] ? mark_held_locks+0x130/0x130 [ 419.898002] ? mark_held_locks+0x130/0x130 [ 419.902238] ? zap_class+0x640/0x640 [ 419.905950] ? ret_from_fork+0x3a/0x50 [ 419.909856] ? __lock_acquire+0x62f/0x4c20 [ 419.914095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.919629] ? check_preemption_disabled+0x48/0x280 [ 419.924748] ? __lock_is_held+0xb5/0x140 [ 419.928809] __alloc_pages_nodemask+0xa80/0xde0 [ 419.933471] ? zap_class+0x640/0x640 [ 419.937183] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 419.942298] ? find_held_lock+0x36/0x1c0 [ 419.946362] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.951025] ? lock_downgrade+0x900/0x900 [ 419.955175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.960712] cache_grow_begin+0xa5/0x8c0 [ 419.964767] ? do_raw_spin_unlock+0xa7/0x330 [ 419.969496] fallback_alloc+0x204/0x2e0 [ 419.973491] ____cache_alloc_node+0x1c7/0x1e0 [ 419.978000] kmem_cache_alloc_node+0xe3/0x730 [ 419.982491] ? mark_held_locks+0xc7/0x130 [ 419.986642] __alloc_skb+0x119/0x770 [ 419.990357] ? netdev_alloc_frag+0x1f0/0x1f0 [ 419.994759] ? do_raw_spin_trylock+0x270/0x270 [ 419.999339] ? kmem_cache_alloc_trace+0x353/0x750 [ 420.004179] ? queue_work_on+0x12c/0x1e0 [ 420.008249] ? switchdev_port_obj_del+0xdc/0x440 [ 420.013002] ? switchdev_trans_item_enqueue+0x260/0x260 [ 420.018362] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 420.023401] __br_mdb_notify+0x4ff/0x15d0 [ 420.027543] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 420.032649] ? __br_mdb_add+0x7f0/0x7f0 [ 420.036618] ? mark_held_locks+0x130/0x130 [ 420.040851] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 420.045958] ? debug_object_assert_init+0x368/0x4b0 [ 420.050967] ? debug_object_init_on_stack+0x20/0x20 [ 420.055982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.061520] br_mdb_notify+0x310/0x410 [ 420.065745] ? br_mdb_dump+0x27b0/0x27b0 [ 420.069813] br_multicast_del_pg+0x3df/0x790 [ 420.074221] ? br_mdb_ip_get+0x940/0x940 [ 420.078280] ? rwlock_bug.part.2+0x90/0x90 [ 420.082511] ? __lock_is_held+0xb5/0x140 [ 420.086574] br_multicast_port_group_expired+0x189/0x1e0 [ 420.092021] call_timer_fn+0x272/0x920 [ 420.095930] ? br_multicast_del_pg+0x790/0x790 [ 420.100505] ? process_timeout+0x40/0x40 [ 420.104567] ? __run_timers+0x7da/0xc70 [ 420.108536] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.113025] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.117514] ? br_multicast_del_pg+0x790/0x790 [ 420.122093] ? lockdep_hardirqs_on+0x296/0x5b0 [ 420.126669] ? trace_hardirqs_on+0xbd/0x310 [ 420.130982] ? kasan_check_read+0x11/0x20 [ 420.135124] ? __run_timers+0x7da/0xc70 [ 420.139094] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.144201] ? br_multicast_del_pg+0x790/0x790 [ 420.148784] ? br_multicast_del_pg+0x790/0x790 [ 420.153361] __run_timers+0x7e5/0xc70 [ 420.157164] ? timer_fixup_init+0x70/0x70 [ 420.161309] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.166142] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.170637] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 420.175214] ? trace_hardirqs_on+0xbd/0x310 [ 420.179527] ? kasan_check_read+0x11/0x20 [ 420.183672] ? finish_task_switch+0x1f4/0x910 [ 420.188164] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.193267] ? compat_start_thread+0x80/0x80 [ 420.197689] ? pvclock_read_flags+0x160/0x160 [ 420.202193] ? __switch_to_asm+0x34/0x70 [ 420.206253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.211798] ? check_preemption_disabled+0x48/0x280 [ 420.216820] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 420.222354] ? rcu_pm_notify+0xc0/0xc0 [ 420.226237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.231769] ? check_preemption_disabled+0x48/0x280 [ 420.236784] run_timer_softirq+0x52/0xb0 [ 420.240841] ? rcu_read_lock_sched_held+0x14f/0x180 [ 420.245855] __do_softirq+0x308/0xb7e [ 420.249655] ? trace_hardirqs_on_caller+0xc0/0x310 [ 420.254605] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 420.259707] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.265158] ? schedule+0x108/0x460 [ 420.269299] ? trace_hardirqs_off+0xb8/0x310 [ 420.273705] ? smpboot_thread_fn+0x68b/0xa00 [ 420.278107] ? trace_hardirqs_on+0x310/0x310 [ 420.282532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.288066] ? check_preemption_disabled+0x48/0x280 [ 420.293080] ? takeover_tasklets+0xa90/0xa90 [ 420.297485] run_ksoftirqd+0x5e/0x100 [ 420.301278] smpboot_thread_fn+0x68b/0xa00 [ 420.305511] ? sort_range+0x30/0x30 [ 420.309133] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 420.314237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.319772] ? __kthread_parkme+0xfb/0x1a0 [ 420.324003] ? sort_range+0x30/0x30 [ 420.327623] kthread+0x35a/0x440 [ 420.330986] ? kthread_stop+0x900/0x900 [ 420.334961] ret_from_fork+0x3a/0x50 [ 420.338680] warn_alloc_show_mem: 1 callbacks suppressed [ 420.338690] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 420.338691] Mem-Info: [ 420.338721] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 420.338721] active_file:10 inactive_file:14 isolated_file:0 [ 420.338721] unevictable:0 dirty:0 writeback:0 unstable:0 [ 420.338721] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 420.338721] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 420.338721] free:13688 free_pcp:208 free_cma:0 [ 420.344051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.344058] Call Trace: [ 420.350905] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 420.353302] dump_stack+0x244/0x39d [ 420.386639] 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 [ 420.395996] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.398549] lowmem_reserve[]: 0 2818 6321 6321 [ 420.426217] warn_alloc.cold.116+0xb7/0x1bd [ 420.429806] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 420.455920] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.461074] lowmem_reserve[]: 0 0 3503 3503 [ 420.466161] ? lock_downgrade+0x900/0x900 [ 420.466183] ? trace_hardirqs_off+0xb8/0x310 [ 420.470561] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 420.498051] ? trace_hardirqs_off+0xb8/0x310 [ 420.502856] lowmem_reserve[]: 0 0 0 0 [ 420.507185] __alloc_pages_slowpath+0x26e8/0x2e10 [ 420.511300] 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 [ 420.515724] ? warn_alloc+0x120/0x120 [ 420.544908] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 420.549305] ? print_usage_bug+0xc0/0xc0 [ 420.553073] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 420.557913] ? warn_alloc+0x120/0x120 [ 420.571776] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 420.575563] ? warn_alloc+0x120/0x120 [ 420.591229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 420.595276] ? print_usage_bug+0xc0/0xc0 [ 420.610341] 1671 total pagecache pages [ 420.614137] ? print_usage_bug+0xc0/0xc0 [ 420.622953] 0 pages in swap cache [ 420.626733] ? __lock_acquire+0x62f/0x4c20 [ 420.635281] Swap cache stats: add 0, delete 0, find 0/0 [ 420.639328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.643184] Free swap = 0kB [ 420.647232] ? should_fail+0x22d/0xd01 [ 420.650657] Total swap = 0kB [ 420.654886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.660219] 1965979 pages RAM [ 420.666445] ? __lock_acquire+0x62f/0x4c20 [ 420.669435] 0 pages HighMem/MovableOnly [ 420.673309] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.676300] 342853 pages reserved [ 420.681387] ? __lock_acquire+0x62f/0x4c20 [ 420.684463] 0 pages cma reserved [ 420.688685] ? should_fail+0x22d/0xd01 [ 420.692764] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.697723] ? find_held_lock+0x36/0x1c0 [ 420.701148] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 420.705375] ? mark_held_locks+0x130/0x130 [ 420.735798] ? mark_held_locks+0x130/0x130 [ 420.740030] ? zap_class+0x640/0x640 [ 420.743750] ? mark_held_locks+0xc7/0x130 [ 420.747899] ? do_raw_spin_unlock+0xa7/0x330 [ 420.752302] ? zap_class+0x640/0x640 [ 420.756014] ? print_usage_bug+0xc0/0xc0 [ 420.760076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.766359] ? check_preemption_disabled+0x48/0x280 [ 420.771379] ? __lock_is_held+0xb5/0x140 [ 420.775442] __alloc_pages_nodemask+0xa80/0xde0 [ 420.780107] ? zap_class+0x640/0x640 [ 420.783820] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 420.788840] ? find_held_lock+0x36/0x1c0 [ 420.792910] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.797574] ? lock_downgrade+0x900/0x900 [ 420.801726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.807265] cache_grow_begin+0xa5/0x8c0 [ 420.811330] ? do_raw_spin_unlock+0xa7/0x330 [ 420.815740] fallback_alloc+0x204/0x2e0 [ 420.819716] ____cache_alloc_node+0x1c7/0x1e0 [ 420.824213] kmem_cache_alloc_node+0xe3/0x730 [ 420.828704] ? ipv6_get_ifaddr+0x42e/0x620 [ 420.832946] __alloc_skb+0x119/0x770 [ 420.836653] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.841930] ? netdev_alloc_frag+0x1f0/0x1f0 [ 420.846631] ? lock_downgrade+0x900/0x900 [ 420.850785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.856321] ? refcount_sub_and_test_checked+0x203/0x310 [ 420.861768] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 420.867903] ? addrconf_rs_timer+0x690/0x690 [ 420.872317] ndisc_alloc_skb+0x144/0x340 [ 420.876377] ndisc_send_rs+0x331/0x6e0 [ 420.880267] addrconf_rs_timer+0x314/0x690 [ 420.884501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.888741] call_timer_fn+0x272/0x920 [ 420.892627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.896865] ? process_timeout+0x40/0x40 [ 420.900931] ? __run_timers+0x7da/0xc70 [ 420.904905] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.909392] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.913887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.918119] ? lockdep_hardirqs_on+0x296/0x5b0 [ 420.922698] ? trace_hardirqs_on+0xbd/0x310 [ 420.927021] ? kasan_check_read+0x11/0x20 [ 420.931166] ? __run_timers+0x7da/0xc70 [ 420.935137] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.940239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.944487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.948717] __run_timers+0x7e5/0xc70 [ 420.952524] ? timer_fixup_init+0x70/0x70 [ 420.956669] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.961157] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.966337] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 420.970916] ? trace_hardirqs_on+0xbd/0x310 [ 420.975230] ? kasan_check_read+0x11/0x20 [ 420.979375] ? finish_task_switch+0x1f4/0x910 [ 420.983870] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.988970] ? compat_start_thread+0x80/0x80 [ 420.993396] ? pvclock_read_flags+0x160/0x160 [ 420.997882] ? __switch_to_asm+0x34/0x70 [ 421.001943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.007477] ? check_preemption_disabled+0x48/0x280 [ 421.012981] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 421.018519] ? rcu_pm_notify+0xc0/0xc0 [ 421.022404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.027942] ? check_preemption_disabled+0x48/0x280 [ 421.032962] run_timer_softirq+0x52/0xb0 [ 421.037017] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.042029] __do_softirq+0x308/0xb7e [ 421.045855] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.051306] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.056403] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.061861] ? schedule+0x108/0x460 [ 421.066240] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.070998] ? trace_hardirqs_off+0xb8/0x310 [ 421.075403] ? smpboot_thread_fn+0x68b/0xa00 [ 421.079812] ? trace_hardirqs_on+0x310/0x310 [ 421.084221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.089754] ? check_preemption_disabled+0x48/0x280 [ 421.094765] ? takeover_tasklets+0xa90/0xa90 [ 421.099169] run_ksoftirqd+0x5e/0x100 [ 421.102966] smpboot_thread_fn+0x68b/0xa00 [ 421.107201] ? sort_range+0x30/0x30 [ 421.110823] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.115928] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.121461] ? __kthread_parkme+0xfb/0x1a0 [ 421.125698] ? sort_range+0x30/0x30 [ 421.129321] kthread+0x35a/0x440 [ 421.132685] ? kthread_stop+0x900/0x900 [ 421.136662] ret_from_fork+0x3a/0x50 [ 421.140412] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 421.140476] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 421.147162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.147167] Call Trace: [ 421.147184] dump_stack+0x244/0x39d [ 421.147203] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.153717] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.163019] warn_alloc.cold.116+0xb7/0x1bd [ 421.166316] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 421.169933] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.199199] ? lock_downgrade+0x900/0x900 [ 421.203353] ? trace_hardirqs_off+0xb8/0x310 [ 421.207762] ? trace_hardirqs_off+0xb8/0x310 [ 421.212173] __alloc_pages_slowpath+0x26e8/0x2e10 [ 421.217035] ? warn_alloc+0x120/0x120 [ 421.220855] ? warn_alloc+0x120/0x120 [ 421.224654] ? warn_alloc+0x120/0x120 [ 421.228449] ? trace_hardirqs_off+0xb8/0x310 [ 421.232860] ? print_usage_bug+0xc0/0xc0 [ 421.236923] ? print_usage_bug+0xc0/0xc0 [ 421.240987] ? __lock_acquire+0x62f/0x4c20 [ 421.245245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.250791] ? should_fail+0x22d/0xd01 [ 421.254684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.259781] ? __lock_acquire+0x62f/0x4c20 [ 421.264017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.269484] ? __lock_acquire+0x62f/0x4c20 [ 421.273712] ? should_fail+0x22d/0xd01 [ 421.277603] ? mark_held_locks+0x130/0x130 [ 421.281845] ? mark_held_locks+0x130/0x130 [ 421.286085] ? zap_class+0x640/0x640 [ 421.289796] ? ret_from_fork+0x3a/0x50 [ 421.293687] ? __lock_acquire+0x62f/0x4c20 [ 421.297930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.303466] ? check_preemption_disabled+0x48/0x280 [ 421.308484] ? __lock_is_held+0xb5/0x140 [ 421.312550] __alloc_pages_nodemask+0xa80/0xde0 [ 421.317219] ? zap_class+0x640/0x640 [ 421.320931] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 421.325953] ? find_held_lock+0x36/0x1c0 [ 421.330018] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.334683] ? lock_downgrade+0x900/0x900 [ 421.338840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.344376] cache_grow_begin+0xa5/0x8c0 [ 421.348435] ? do_raw_spin_unlock+0xa7/0x330 [ 421.352851] fallback_alloc+0x204/0x2e0 [ 421.356834] ____cache_alloc_node+0x1c7/0x1e0 [ 421.361326] kmem_cache_alloc_node+0xe3/0x730 [ 421.366153] ? mark_held_locks+0xc7/0x130 [ 421.370305] __alloc_skb+0x119/0x770 [ 421.374019] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.378424] ? do_raw_spin_trylock+0x270/0x270 [ 421.383001] ? kmem_cache_alloc_trace+0x353/0x750 [ 421.387846] ? queue_work_on+0x12c/0x1e0 [ 421.391910] ? switchdev_port_obj_del+0xdc/0x440 [ 421.396660] ? switchdev_trans_item_enqueue+0x260/0x260 [ 421.402025] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.407041] __br_mdb_notify+0x4ff/0x15d0 [ 421.411188] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.416292] ? __br_mdb_add+0x7f0/0x7f0 [ 421.420260] ? mark_held_locks+0x130/0x130 [ 421.424498] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.429597] ? debug_object_assert_init+0x368/0x4b0 [ 421.434613] ? debug_object_init_on_stack+0x20/0x20 [ 421.439628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.445166] br_mdb_notify+0x310/0x410 [ 421.449047] ? br_mdb_dump+0x27b0/0x27b0 [ 421.453123] br_multicast_del_pg+0x3df/0x790 [ 421.457534] ? br_mdb_ip_get+0x940/0x940 [ 421.461589] ? rwlock_bug.part.2+0x90/0x90 [ 421.466161] ? __lock_is_held+0xb5/0x140 [ 421.470230] br_multicast_port_group_expired+0x189/0x1e0 [ 421.475681] call_timer_fn+0x272/0x920 [ 421.479563] ? br_multicast_del_pg+0x790/0x790 [ 421.484138] ? process_timeout+0x40/0x40 [ 421.488202] ? __run_timers+0x7da/0xc70 [ 421.492176] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.496662] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.501155] ? br_multicast_del_pg+0x790/0x790 [ 421.505732] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.510312] ? trace_hardirqs_on+0xbd/0x310 [ 421.514628] ? kasan_check_read+0x11/0x20 [ 421.518773] ? __run_timers+0x7da/0xc70 [ 421.522750] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.527853] ? br_multicast_del_pg+0x790/0x790 [ 421.532435] ? br_multicast_del_pg+0x790/0x790 [ 421.537008] __run_timers+0x7e5/0xc70 [ 421.540823] ? timer_fixup_init+0x70/0x70 [ 421.544964] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.549453] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.553944] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 421.558526] ? trace_hardirqs_on+0xbd/0x310 [ 421.562843] ? kasan_check_read+0x11/0x20 [ 421.567271] ? finish_task_switch+0x1f4/0x910 [ 421.571762] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.576872] ? compat_start_thread+0x80/0x80 [ 421.581305] ? pvclock_read_flags+0x160/0x160 [ 421.585799] ? __switch_to_asm+0x34/0x70 [ 421.589868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.595400] ? check_preemption_disabled+0x48/0x280 [ 421.600422] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 421.605955] ? rcu_pm_notify+0xc0/0xc0 [ 421.609870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.615406] ? check_preemption_disabled+0x48/0x280 [ 421.620420] run_timer_softirq+0x52/0xb0 [ 421.624477] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.629498] __do_softirq+0x308/0xb7e [ 421.633296] ? trace_hardirqs_on_caller+0xc0/0x310 [ 421.638223] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.643347] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.648804] ? schedule+0x108/0x460 [ 421.652434] ? trace_hardirqs_off+0xb8/0x310 [ 421.656836] ? smpboot_thread_fn+0x68b/0xa00 [ 421.661254] ? trace_hardirqs_on+0x310/0x310 [ 421.666061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.671595] ? check_preemption_disabled+0x48/0x280 [ 421.676619] ? takeover_tasklets+0xa90/0xa90 [ 421.681024] run_ksoftirqd+0x5e/0x100 [ 421.684824] smpboot_thread_fn+0x68b/0xa00 [ 421.689060] ? sort_range+0x30/0x30 [ 421.692680] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.697778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.703318] ? __kthread_parkme+0xfb/0x1a0 [ 421.707554] ? sort_range+0x30/0x30 [ 421.711190] kthread+0x35a/0x440 [ 421.714567] ? kthread_stop+0x900/0x900 [ 421.718536] ret_from_fork+0x3a/0x50 [ 421.722261] warn_alloc_show_mem: 1 callbacks suppressed [ 421.722270] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 421.722272] Mem-Info: [ 421.722302] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 421.722302] active_file:10 inactive_file:14 isolated_file:0 [ 421.722302] unevictable:0 dirty:0 writeback:0 unstable:0 [ 421.722302] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 421.722302] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 421.722302] free:13688 free_pcp:208 free_cma:0 [ 421.727634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.734469] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 421.736859] Call Trace: [ 421.770222] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 421.779571] dump_stack+0x244/0x39d [ 421.807224] lowmem_reserve[]: 0 2818 6321 6321 [ 421.809808] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.835888] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 421.839515] warn_alloc.cold.116+0xb7/0x1bd [ 421.844055] lowmem_reserve[]: 0 0 3503 3503 [ 421.849243] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.876879] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 421.881194] ? lock_downgrade+0x900/0x900 [ 421.885487] lowmem_reserve[]: 0 0 0 0 [ 421.890335] ? trace_hardirqs_off+0xb8/0x310 [ 421.919279] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 421.923423] ? trace_hardirqs_off+0xb8/0x310 [ 421.927192] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 421.931596] __alloc_pages_slowpath+0x26e8/0x2e10 [ 421.945082] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 421.949511] ? warn_alloc+0x120/0x120 [ 421.965159] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 421.970499] ? print_usage_bug+0xc0/0xc0 [ 421.985390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 421.989172] ? warn_alloc+0x120/0x120 [ 421.997984] 1671 total pagecache pages [ 422.002034] ? warn_alloc+0x120/0x120 [ 422.010588] 0 pages in swap cache [ 422.014373] ? print_usage_bug+0xc0/0xc0 [ 422.018681] Swap cache stats: add 0, delete 0, find 0/0 [ 422.022469] ? print_usage_bug+0xc0/0xc0 [ 422.025896] Free swap = 0kB [ 422.029945] ? __lock_acquire+0x62f/0x4c20 [ 422.035278] Total swap = 0kB [ 422.039328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.042316] 1965979 pages RAM [ 422.046557] ? should_fail+0x22d/0xd01 [ 422.049547] 0 pages HighMem/MovableOnly [ 422.055075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.058164] 342853 pages reserved [ 422.062039] ? __lock_acquire+0x62f/0x4c20 [ 422.066263] 0 pages cma reserved [ 422.071356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.074910] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.079004] ? __lock_acquire+0x62f/0x4c20 [ 422.082348] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 422.087438] ? should_fail+0x22d/0xd01 [ 422.110467] ? find_held_lock+0x36/0x1c0 [ 422.114542] ? mark_held_locks+0x130/0x130 [ 422.118781] ? mark_held_locks+0x130/0x130 [ 422.123012] ? zap_class+0x640/0x640 [ 422.126723] ? zap_class+0x640/0x640 [ 422.130441] ? print_usage_bug+0xc0/0xc0 [ 422.134493] ? do_raw_spin_unlock+0xa7/0x330 [ 422.138901] ? zap_class+0x640/0x640 [ 422.142611] ? print_usage_bug+0xc0/0xc0 [ 422.146684] ? wq_watchdog_touch+0x9c/0xfe [ 422.150918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.156453] ? check_preemption_disabled+0x48/0x280 [ 422.161472] ? __lock_is_held+0xb5/0x140 [ 422.166239] __alloc_pages_nodemask+0xa80/0xde0 [ 422.170907] ? zap_class+0x640/0x640 [ 422.174622] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 422.179643] ? find_held_lock+0x36/0x1c0 [ 422.183712] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.188387] ? lock_downgrade+0x900/0x900 [ 422.192538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.198075] cache_grow_begin+0xa5/0x8c0 [ 422.202218] ? do_raw_spin_unlock+0xa7/0x330 [ 422.206636] fallback_alloc+0x204/0x2e0 [ 422.210614] ____cache_alloc_node+0x1c7/0x1e0 [ 422.215110] kmem_cache_alloc_node+0xe3/0x730 [ 422.219706] ? ipv6_get_ifaddr+0x42e/0x620 [ 422.223956] __alloc_skb+0x119/0x770 [ 422.227664] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.232944] ? netdev_alloc_frag+0x1f0/0x1f0 [ 422.237349] ? lock_downgrade+0x900/0x900 [ 422.241503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.247039] ? refcount_sub_and_test_checked+0x203/0x310 [ 422.252576] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 422.258479] ? addrconf_rs_timer+0x690/0x690 [ 422.262899] ndisc_alloc_skb+0x144/0x340 [ 422.267698] ndisc_send_rs+0x331/0x6e0 [ 422.271591] addrconf_rs_timer+0x314/0x690 [ 422.275830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.280069] call_timer_fn+0x272/0x920 [ 422.283951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.288184] ? process_timeout+0x40/0x40 [ 422.292249] ? __run_timers+0x7da/0xc70 [ 422.296223] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.300710] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.305203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.309430] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.314015] ? trace_hardirqs_on+0xbd/0x310 [ 422.318345] ? kasan_check_read+0x11/0x20 [ 422.322503] ? __run_timers+0x7da/0xc70 [ 422.326477] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.331583] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.335819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.340048] __run_timers+0x7e5/0xc70 [ 422.343853] ? timer_fixup_init+0x70/0x70 [ 422.347996] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.352488] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.356983] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 422.361562] ? trace_hardirqs_on+0xbd/0x310 [ 422.366642] ? kasan_check_read+0x11/0x20 [ 422.370790] ? finish_task_switch+0x1f4/0x910 [ 422.375283] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.380384] ? compat_start_thread+0x80/0x80 [ 422.384810] ? pvclock_read_flags+0x160/0x160 [ 422.389298] ? __switch_to_asm+0x34/0x70 [ 422.393357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.398902] ? check_preemption_disabled+0x48/0x280 [ 422.403920] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 422.409454] ? rcu_pm_notify+0xc0/0xc0 [ 422.413349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.418902] ? check_preemption_disabled+0x48/0x280 [ 422.423917] run_timer_softirq+0x52/0xb0 [ 422.427973] ? rcu_read_lock_sched_held+0x14f/0x180 [ 422.432996] __do_softirq+0x308/0xb7e [ 422.436798] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.442251] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 422.447363] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.452820] ? schedule+0x108/0x460 [ 422.456443] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 422.461210] ? trace_hardirqs_off+0xb8/0x310 [ 422.466381] ? smpboot_thread_fn+0x68b/0xa00 [ 422.470789] ? trace_hardirqs_on+0x310/0x310 [ 422.475195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.480735] ? check_preemption_disabled+0x48/0x280 [ 422.485763] ? takeover_tasklets+0xa90/0xa90 [ 422.490183] run_ksoftirqd+0x5e/0x100 [ 422.493983] smpboot_thread_fn+0x68b/0xa00 [ 422.498220] ? sort_range+0x30/0x30 [ 422.501857] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.506970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.512507] ? __kthread_parkme+0xfb/0x1a0 [ 422.516746] ? sort_range+0x30/0x30 [ 422.520369] kthread+0x35a/0x440 [ 422.523736] ? kthread_stop+0x900/0x900 [ 422.527715] ret_from_fork+0x3a/0x50 [ 422.531440] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 422.531508] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 422.538189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.538194] Call Trace: [ 422.538212] dump_stack+0x244/0x39d [ 422.538231] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.544756] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.554320] warn_alloc.cold.116+0xb7/0x1bd [ 422.556872] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 422.560491] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.590449] ? lock_downgrade+0x900/0x900 [ 422.594605] ? trace_hardirqs_off+0xb8/0x310 [ 422.599014] ? trace_hardirqs_off+0xb8/0x310 [ 422.603429] __alloc_pages_slowpath+0x26e8/0x2e10 [ 422.608291] ? warn_alloc+0x120/0x120 [ 422.612093] ? warn_alloc+0x120/0x120 [ 422.616068] ? warn_alloc+0x120/0x120 [ 422.619877] ? trace_hardirqs_off+0xb8/0x310 [ 422.624294] ? print_usage_bug+0xc0/0xc0 [ 422.628353] ? print_usage_bug+0xc0/0xc0 [ 422.632422] ? __lock_acquire+0x62f/0x4c20 [ 422.636655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.642199] ? should_fail+0x22d/0xd01 [ 422.646087] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.651185] ? __lock_acquire+0x62f/0x4c20 [ 422.655423] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.660518] ? __lock_acquire+0x62f/0x4c20 [ 422.664760] ? should_fail+0x22d/0xd01 [ 422.669086] ? mark_held_locks+0x130/0x130 [ 422.673321] ? mark_held_locks+0x130/0x130 [ 422.677558] ? zap_class+0x640/0x640 [ 422.681265] ? ret_from_fork+0x3a/0x50 [ 422.685147] ? __lock_acquire+0x62f/0x4c20 [ 422.689380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.694913] ? check_preemption_disabled+0x48/0x280 [ 422.699934] ? __lock_is_held+0xb5/0x140 [ 422.703997] __alloc_pages_nodemask+0xa80/0xde0 [ 422.708661] ? zap_class+0x640/0x640 [ 422.712378] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 422.717401] ? find_held_lock+0x36/0x1c0 [ 422.721465] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.726130] ? lock_downgrade+0x900/0x900 [ 422.730279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.735816] cache_grow_begin+0xa5/0x8c0 [ 422.739872] ? do_raw_spin_unlock+0xa7/0x330 [ 422.744281] fallback_alloc+0x204/0x2e0 [ 422.748786] ____cache_alloc_node+0x1c7/0x1e0 [ 422.753280] kmem_cache_alloc_node+0xe3/0x730 [ 422.757780] ? mark_held_locks+0xc7/0x130 [ 422.761932] __alloc_skb+0x119/0x770 [ 422.765966] ? netdev_alloc_frag+0x1f0/0x1f0 [ 422.770369] ? do_raw_spin_trylock+0x270/0x270 [ 422.774953] ? kmem_cache_alloc_trace+0x353/0x750 [ 422.779799] ? queue_work_on+0x12c/0x1e0 [ 422.783862] ? switchdev_port_obj_del+0xdc/0x440 [ 422.788617] ? switchdev_trans_item_enqueue+0x260/0x260 [ 422.793980] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.799013] __br_mdb_notify+0x4ff/0x15d0 [ 422.803156] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.808263] ? __br_mdb_add+0x7f0/0x7f0 [ 422.812235] ? mark_held_locks+0x130/0x130 [ 422.816470] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.821572] ? debug_object_assert_init+0x368/0x4b0 [ 422.826586] ? debug_object_init_on_stack+0x20/0x20 [ 422.831616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.837154] br_mdb_notify+0x310/0x410 [ 422.841036] ? br_mdb_dump+0x27b0/0x27b0 [ 422.845600] br_multicast_del_pg+0x3df/0x790 [ 422.850012] ? br_mdb_ip_get+0x940/0x940 [ 422.854068] ? rwlock_bug.part.2+0x90/0x90 [ 422.858305] ? __lock_is_held+0xb5/0x140 [ 422.862390] br_multicast_port_group_expired+0x189/0x1e0 [ 422.868120] call_timer_fn+0x272/0x920 [ 422.872019] ? br_multicast_del_pg+0x790/0x790 [ 422.876607] ? process_timeout+0x40/0x40 [ 422.880670] ? __run_timers+0x7da/0xc70 [ 422.884663] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.889156] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.893650] ? br_multicast_del_pg+0x790/0x790 [ 422.898234] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.902821] ? trace_hardirqs_on+0xbd/0x310 [ 422.907137] ? kasan_check_read+0x11/0x20 [ 422.911369] ? __run_timers+0x7da/0xc70 [ 422.915340] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.920447] ? br_multicast_del_pg+0x790/0x790 [ 422.925034] ? br_multicast_del_pg+0x790/0x790 [ 422.929609] __run_timers+0x7e5/0xc70 [ 422.933415] ? timer_fixup_init+0x70/0x70 [ 422.937817] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.942305] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.946798] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 422.951377] ? trace_hardirqs_on+0xbd/0x310 [ 422.955695] ? kasan_check_read+0x11/0x20 [ 422.959840] ? finish_task_switch+0x1f4/0x910 [ 422.964332] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.970039] ? compat_start_thread+0x80/0x80 [ 422.974462] ? pvclock_read_flags+0x160/0x160 [ 422.978956] ? __switch_to_asm+0x34/0x70 [ 422.983015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.988571] ? check_preemption_disabled+0x48/0x280 [ 422.993590] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 422.999125] ? rcu_pm_notify+0xc0/0xc0 [ 423.003010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.008542] ? check_preemption_disabled+0x48/0x280 [ 423.013913] run_timer_softirq+0x52/0xb0 [ 423.017978] ? rcu_read_lock_sched_held+0x14f/0x180 [ 423.022990] __do_softirq+0x308/0xb7e [ 423.026789] ? trace_hardirqs_on_caller+0xc0/0x310 [ 423.031718] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 423.036832] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.042285] ? schedule+0x108/0x460 [ 423.045923] ? trace_hardirqs_off+0xb8/0x310 [ 423.050325] ? smpboot_thread_fn+0x68b/0xa00 [ 423.054726] ? trace_hardirqs_on+0x310/0x310 [ 423.059130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.064674] ? check_preemption_disabled+0x48/0x280 [ 423.070003] ? takeover_tasklets+0xa90/0xa90 [ 423.074409] run_ksoftirqd+0x5e/0x100 [ 423.078208] smpboot_thread_fn+0x68b/0xa00 [ 423.082441] ? sort_range+0x30/0x30 [ 423.086066] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.091162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.096693] ? __kthread_parkme+0xfb/0x1a0 [ 423.100929] ? sort_range+0x30/0x30 [ 423.104554] kthread+0x35a/0x440 [ 423.107920] ? kthread_stop+0x900/0x900 [ 423.111890] ret_from_fork+0x3a/0x50 [ 423.115613] warn_alloc_show_mem: 1 callbacks suppressed [ 423.115622] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 423.115624] Mem-Info: [ 423.115653] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 423.115653] active_file:10 inactive_file:14 isolated_file:0 [ 423.115653] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.115653] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 423.115653] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 423.115653] free:13688 free_pcp:208 free_cma:0 [ 423.120995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.121002] Call Trace: [ 423.127853] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 423.130256] dump_stack+0x244/0x39d [ 423.163293] 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 [ 423.173185] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.175741] lowmem_reserve[]: 0 2818 6321 6321 [ 423.203426] warn_alloc.cold.116+0xb7/0x1bd [ 423.207013] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 423.233114] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.238280] lowmem_reserve[]: 0 0 3503 3503 [ 423.242859] ? lock_downgrade+0x900/0x900 [ 423.247152] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 423.275170] ? trace_hardirqs_off+0xb8/0x310 [ 423.279982] lowmem_reserve[]: 0 0 0 0 [ 423.284298] ? trace_hardirqs_off+0xb8/0x310 [ 423.288417] 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 [ 423.317385] __alloc_pages_slowpath+0x26e8/0x2e10 [ 423.321759] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 423.325580] ? warn_alloc+0x120/0x120 [ 423.329937] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 423.343450] ? print_usage_bug+0xc0/0xc0 [ 423.348271] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 423.363945] ? warn_alloc+0x120/0x120 [ 423.368058] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 423.382954] ? warn_alloc+0x120/0x120 [ 423.386986] 1671 total pagecache pages [ 423.395807] ? print_usage_bug+0xc0/0xc0 [ 423.399584] 0 pages in swap cache [ 423.408141] ? print_usage_bug+0xc0/0xc0 [ 423.411915] Swap cache stats: add 0, delete 0, find 0/0 [ 423.415787] ? __lock_acquire+0x62f/0x4c20 [ 423.419817] Free swap = 0kB [ 423.423260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.427288] Total swap = 0kB [ 423.432646] ? should_fail+0x22d/0xd01 [ 423.436850] 1965979 pages RAM [ 423.439858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.445362] 0 pages HighMem/MovableOnly [ 423.445369] 342853 pages reserved [ 423.448396] ? __lock_acquire+0x62f/0x4c20 [ 423.452253] 0 pages cma reserved [ 423.455348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.460598] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.464402] ? __lock_acquire+0x62f/0x4c20 [ 423.468145] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 423.472362] ? should_fail+0x22d/0xd01 [ 423.472377] ? find_held_lock+0x36/0x1c0 [ 423.507887] ? mark_held_locks+0x130/0x130 [ 423.512119] ? mark_held_locks+0x130/0x130 [ 423.516345] ? zap_class+0x640/0x640 [ 423.520060] ? zap_class+0x640/0x640 [ 423.523790] ? print_usage_bug+0xc0/0xc0 [ 423.527846] ? do_raw_spin_unlock+0xa7/0x330 [ 423.532248] ? zap_class+0x640/0x640 [ 423.535956] ? print_usage_bug+0xc0/0xc0 [ 423.540009] ? wq_watchdog_touch+0x9c/0xfe [ 423.544247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.549785] ? check_preemption_disabled+0x48/0x280 [ 423.554806] ? __lock_is_held+0xb5/0x140 [ 423.558870] __alloc_pages_nodemask+0xa80/0xde0 [ 423.563533] ? zap_class+0x640/0x640 [ 423.567759] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 423.572780] ? find_held_lock+0x36/0x1c0 [ 423.576846] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.581513] ? lock_downgrade+0x900/0x900 [ 423.585662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.591199] cache_grow_begin+0xa5/0x8c0 [ 423.595252] ? do_raw_spin_unlock+0xa7/0x330 [ 423.599667] fallback_alloc+0x204/0x2e0 [ 423.603648] ____cache_alloc_node+0x1c7/0x1e0 [ 423.608147] kmem_cache_alloc_node+0xe3/0x730 [ 423.612641] ? ipv6_get_ifaddr+0x42e/0x620 [ 423.616879] __alloc_skb+0x119/0x770 [ 423.620588] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.625867] ? netdev_alloc_frag+0x1f0/0x1f0 [ 423.630268] ? lock_downgrade+0x900/0x900 [ 423.634419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.639954] ? refcount_sub_and_test_checked+0x203/0x310 [ 423.645422] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 423.650969] ? addrconf_rs_timer+0x690/0x690 [ 423.655387] ndisc_alloc_skb+0x144/0x340 [ 423.659450] ndisc_send_rs+0x331/0x6e0 [ 423.663338] addrconf_rs_timer+0x314/0x690 [ 423.668096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.672336] call_timer_fn+0x272/0x920 [ 423.676219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.680464] ? process_timeout+0x40/0x40 [ 423.684526] ? __run_timers+0x7da/0xc70 [ 423.688496] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.692986] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.697477] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.701708] ? lockdep_hardirqs_on+0x296/0x5b0 [ 423.706310] ? trace_hardirqs_on+0xbd/0x310 [ 423.710631] ? kasan_check_read+0x11/0x20 [ 423.714772] ? __run_timers+0x7da/0xc70 [ 423.718741] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.723842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.728078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.732304] __run_timers+0x7e5/0xc70 [ 423.736109] ? timer_fixup_init+0x70/0x70 [ 423.740253] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.744743] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.749230] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 423.753809] ? trace_hardirqs_on+0xbd/0x310 [ 423.758123] ? kasan_check_read+0x11/0x20 [ 423.762270] ? finish_task_switch+0x1f4/0x910 [ 423.767475] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.772573] ? compat_start_thread+0x80/0x80 [ 423.777003] ? pvclock_read_flags+0x160/0x160 [ 423.781492] ? __switch_to_asm+0x34/0x70 [ 423.785550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.791087] ? check_preemption_disabled+0x48/0x280 [ 423.796104] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 423.801640] ? rcu_pm_notify+0xc0/0xc0 [ 423.805527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.811059] ? check_preemption_disabled+0x48/0x280 [ 423.816162] run_timer_softirq+0x52/0xb0 [ 423.820215] ? rcu_read_lock_sched_held+0x14f/0x180 [ 423.825228] __do_softirq+0x308/0xb7e [ 423.829029] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.834477] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 423.839573] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.845029] ? schedule+0x108/0x460 [ 423.848653] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 423.853423] ? trace_hardirqs_off+0xb8/0x310 [ 423.857831] ? smpboot_thread_fn+0x68b/0xa00 [ 423.862261] ? trace_hardirqs_on+0x310/0x310 [ 423.867204] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.872739] ? check_preemption_disabled+0x48/0x280 [ 423.877751] ? takeover_tasklets+0xa90/0xa90 [ 423.882154] run_ksoftirqd+0x5e/0x100 [ 423.885950] smpboot_thread_fn+0x68b/0xa00 [ 423.890182] ? sort_range+0x30/0x30 [ 423.893807] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.898908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.904440] ? __kthread_parkme+0xfb/0x1a0 [ 423.908671] ? sort_range+0x30/0x30 [ 423.912294] kthread+0x35a/0x440 [ 423.915658] ? kthread_stop+0x900/0x900 [ 423.919627] ret_from_fork+0x3a/0x50 [ 423.923358] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 423.923420] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 423.930107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.930112] Call Trace: [ 423.930130] dump_stack+0x244/0x39d [ 423.930148] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.936701] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.945982] warn_alloc.cold.116+0xb7/0x1bd [ 423.948545] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 423.952176] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.981736] ? lock_downgrade+0x900/0x900 [ 423.985885] ? trace_hardirqs_off+0xb8/0x310 [ 423.990295] ? trace_hardirqs_off+0xb8/0x310 [ 423.994706] __alloc_pages_slowpath+0x26e8/0x2e10 [ 423.999573] ? warn_alloc+0x120/0x120 [ 424.003380] ? warn_alloc+0x120/0x120 [ 424.007182] ? warn_alloc+0x120/0x120 [ 424.010995] ? print_usage_bug+0xc0/0xc0 [ 424.015054] ? print_usage_bug+0xc0/0xc0 [ 424.019122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.024654] ? should_fail+0x22d/0xd01 [ 424.028538] ? __lock_acquire+0x62f/0x4c20 [ 424.032769] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.037878] ? __lock_acquire+0x62f/0x4c20 [ 424.042198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.047296] ? __lock_acquire+0x62f/0x4c20 [ 424.051524] ? should_fail+0x22d/0xd01 [ 424.055416] ? mark_held_locks+0x130/0x130 [ 424.059653] ? mark_held_locks+0x130/0x130 [ 424.063887] ? mark_held_locks+0x130/0x130 [ 424.068452] ? zap_class+0x640/0x640 [ 424.072161] ? print_usage_bug+0xc0/0xc0 [ 424.076221] ? mark_held_locks+0x130/0x130 [ 424.080469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.086016] ? check_preemption_disabled+0x48/0x280 [ 424.091033] ? __lock_is_held+0xb5/0x140 [ 424.095094] __alloc_pages_nodemask+0xa80/0xde0 [ 424.099773] ? zap_class+0x640/0x640 [ 424.103581] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 424.108609] ? find_held_lock+0x36/0x1c0 [ 424.112675] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.117342] ? lock_downgrade+0x900/0x900 [ 424.121491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.127040] cache_grow_begin+0xa5/0x8c0 [ 424.131098] ? do_raw_spin_unlock+0xa7/0x330 [ 424.135515] fallback_alloc+0x204/0x2e0 [ 424.139493] ____cache_alloc_node+0x1c7/0x1e0 [ 424.143993] kmem_cache_alloc_node+0xe3/0x730 [ 424.148487] ? ipv6_get_ifaddr+0x42e/0x620 [ 424.152728] __alloc_skb+0x119/0x770 [ 424.156437] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.161714] ? netdev_alloc_frag+0x1f0/0x1f0 [ 424.166437] ? lock_downgrade+0x900/0x900 [ 424.170592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.176128] ? refcount_sub_and_test_checked+0x203/0x310 [ 424.181582] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 424.187043] ? addrconf_rs_timer+0x690/0x690 [ 424.191460] ndisc_alloc_skb+0x144/0x340 [ 424.195519] ndisc_send_rs+0x331/0x6e0 [ 424.199407] addrconf_rs_timer+0x314/0x690 [ 424.203641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.207879] call_timer_fn+0x272/0x920 [ 424.211761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.215989] ? process_timeout+0x40/0x40 [ 424.220050] ? __run_timers+0x7da/0xc70 [ 424.224019] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.228512] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.233001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.237233] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.241811] ? trace_hardirqs_on+0xbd/0x310 [ 424.246150] ? kasan_check_read+0x11/0x20 [ 424.250377] ? __run_timers+0x7da/0xc70 [ 424.254347] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.259451] ? tcp_compressed_ack_kick+0x220/0x220 [ 424.264379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.268938] __run_timers+0x7e5/0xc70 [ 424.272743] ? timer_fixup_init+0x70/0x70 [ 424.276883] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.281370] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.285862] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 424.290439] ? trace_hardirqs_on+0xbd/0x310 [ 424.294758] ? kasan_check_read+0x11/0x20 [ 424.298902] ? finish_task_switch+0x1f4/0x910 [ 424.303393] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.308492] ? compat_start_thread+0x80/0x80 [ 424.312915] ? pvclock_read_flags+0x160/0x160 [ 424.317402] ? __switch_to_asm+0x34/0x70 [ 424.321458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.326992] ? check_preemption_disabled+0x48/0x280 [ 424.332010] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 424.337545] ? rcu_pm_notify+0xc0/0xc0 [ 424.341438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.346983] ? check_preemption_disabled+0x48/0x280 [ 424.351996] run_timer_softirq+0x52/0xb0 [ 424.356051] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.361066] __do_softirq+0x308/0xb7e [ 424.364867] ? trace_hardirqs_on_caller+0xc0/0x310 [ 424.370143] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.375238] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.380688] ? schedule+0x108/0x460 [ 424.384406] ? trace_hardirqs_off+0xb8/0x310 [ 424.389168] ? smpboot_thread_fn+0x68b/0xa00 [ 424.393577] ? trace_hardirqs_on+0x310/0x310 [ 424.397982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.403514] ? check_preemption_disabled+0x48/0x280 [ 424.408535] ? takeover_tasklets+0xa90/0xa90 [ 424.412947] run_ksoftirqd+0x5e/0x100 [ 424.416741] smpboot_thread_fn+0x68b/0xa00 [ 424.420973] ? sort_range+0x30/0x30 [ 424.424600] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.429713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.435247] ? __kthread_parkme+0xfb/0x1a0 [ 424.439480] ? sort_range+0x30/0x30 [ 424.443101] kthread+0x35a/0x440 [ 424.446562] ? kthread_stop+0x900/0x900 [ 424.450532] ret_from_fork+0x3a/0x50 [ 424.454266] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 424.454270] warn_alloc_show_mem: 1 callbacks suppressed [ 424.454276] Mem-Info: [ 424.461109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.466764] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 424.466764] active_file:10 inactive_file:14 isolated_file:0 [ 424.466764] unevictable:0 dirty:0 writeback:0 unstable:0 [ 424.466764] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 424.466764] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 424.466764] free:13688 free_pcp:208 free_cma:0 [ 424.469137] Call Trace: [ 424.478512] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 424.511538] dump_stack+0x244/0x39d [ 424.514094] 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 [ 424.541768] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.545365] lowmem_reserve[]: 0 2818 6321 6321 [ 424.571941] warn_alloc.cold.116+0xb7/0x1bd [ 424.577099] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 424.581672] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.585957] lowmem_reserve[]: 0 0 3503 3503 [ 424.613292] ? lock_downgrade+0x900/0x900 [ 424.618101] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 424.622419] ? trace_hardirqs_off+0xb8/0x310 [ 424.626541] lowmem_reserve[]: 0 0 0 0 [ 424.655507] ? trace_hardirqs_off+0xb8/0x310 [ 424.659889] 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 [ 424.663684] __alloc_pages_slowpath+0x26e8/0x2e10 [ 424.668368] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 424.681909] ? warn_alloc+0x120/0x120 [ 424.686697] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 424.702409] ? print_usage_bug+0xc0/0xc0 [ 424.706190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 424.721081] ? warn_alloc+0x120/0x120 [ 424.725117] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 424.733947] ? warn_alloc+0x120/0x120 [ 424.737729] 1671 total pagecache pages [ 424.746292] ? print_usage_bug+0xc0/0xc0 [ 424.750072] 0 pages in swap cache [ 424.753953] ? print_usage_bug+0xc0/0xc0 [ 424.757988] Swap cache stats: add 0, delete 0, find 0/0 [ 424.761423] ? __lock_acquire+0x62f/0x4c20 [ 424.765737] Free swap = 0kB [ 424.771103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.775305] Total swap = 0kB [ 424.778324] ? should_fail+0x22d/0xd01 [ 424.783843] 1965979 pages RAM [ 424.786850] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.790722] 0 pages HighMem/MovableOnly [ 424.793818] ? __lock_acquire+0x62f/0x4c20 [ 424.798894] 342853 pages reserved [ 424.802859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.807063] 0 pages cma reserved [ 424.810500] ? __lock_acquire+0x62f/0x4c20 [ 424.815639] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 424.818926] ? should_fail+0x22d/0xd01 [ 424.818948] ? mark_held_locks+0x130/0x130 [ 424.823297] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.829734] ? mark_held_locks+0x130/0x130 [ 424.833594] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 424.837808] ? zap_class+0x640/0x640 [ 424.837829] ? zap_class+0x640/0x640 [ 424.865748] ? print_usage_bug+0xc0/0xc0 [ 424.869803] ? mark_held_locks+0x130/0x130 [ 424.874041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.879585] ? check_preemption_disabled+0x48/0x280 [ 424.884603] ? __lock_is_held+0xb5/0x140 [ 424.888669] __alloc_pages_nodemask+0xa80/0xde0 [ 424.893335] ? zap_class+0x640/0x640 [ 424.897049] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 424.902067] ? find_held_lock+0x36/0x1c0 [ 424.906134] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.910801] ? lock_downgrade+0x900/0x900 [ 424.914952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.920489] cache_grow_begin+0xa5/0x8c0 [ 424.924553] ? do_raw_spin_unlock+0xa7/0x330 [ 424.928962] fallback_alloc+0x204/0x2e0 [ 424.932937] ____cache_alloc_node+0x1c7/0x1e0 [ 424.937433] kmem_cache_alloc_node+0xe3/0x730 [ 424.941925] ? ipv6_get_ifaddr+0x42e/0x620 [ 424.946165] __alloc_skb+0x119/0x770 [ 424.949886] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.955161] ? netdev_alloc_frag+0x1f0/0x1f0 [ 424.959564] ? lock_downgrade+0x900/0x900 [ 424.963716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.969978] ? refcount_sub_and_test_checked+0x203/0x310 [ 424.975428] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 424.980873] ? addrconf_rs_timer+0x690/0x690 [ 424.985288] ndisc_alloc_skb+0x144/0x340 [ 424.989348] ndisc_send_rs+0x331/0x6e0 [ 424.993238] addrconf_rs_timer+0x314/0x690 [ 424.997476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.001722] call_timer_fn+0x272/0x920 [ 425.005603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.009833] ? process_timeout+0x40/0x40 [ 425.014371] ? __run_timers+0x7da/0xc70 [ 425.018352] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.022929] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.027417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.031647] ? lockdep_hardirqs_on+0x296/0x5b0 [ 425.036228] ? trace_hardirqs_on+0xbd/0x310 [ 425.040554] ? kasan_check_read+0x11/0x20 [ 425.044695] ? __run_timers+0x7da/0xc70 [ 425.048664] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.053780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.058006] __run_timers+0x7e5/0xc70 [ 425.061809] ? timer_fixup_init+0x70/0x70 [ 425.066659] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.071146] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.075638] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 425.080230] ? trace_hardirqs_on+0xbd/0x310 [ 425.084549] ? kasan_check_read+0x11/0x20 [ 425.088713] ? finish_task_switch+0x1f4/0x910 [ 425.093205] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.098317] ? compat_start_thread+0x80/0x80 [ 425.102740] ? pvclock_read_flags+0x160/0x160 [ 425.107228] ? __switch_to_asm+0x34/0x70 [ 425.111289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.116823] ? check_preemption_disabled+0x48/0x280 [ 425.121842] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 425.127388] ? rcu_pm_notify+0xc0/0xc0 [ 425.131274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.136818] ? check_preemption_disabled+0x48/0x280 [ 425.141835] run_timer_softirq+0x52/0xb0 [ 425.145892] ? rcu_read_lock_sched_held+0x14f/0x180 [ 425.150906] __do_softirq+0x308/0xb7e [ 425.154706] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.160159] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 425.165801] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.171257] ? schedule+0x108/0x460 [ 425.174883] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 425.179643] ? trace_hardirqs_off+0xb8/0x310 [ 425.184048] ? smpboot_thread_fn+0x68b/0xa00 [ 425.188457] ? trace_hardirqs_on+0x310/0x310 [ 425.192881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.198417] ? check_preemption_disabled+0x48/0x280 [ 425.203428] ? takeover_tasklets+0xa90/0xa90 [ 425.207831] run_ksoftirqd+0x5e/0x100 [ 425.211625] smpboot_thread_fn+0x68b/0xa00 [ 425.215863] ? sort_range+0x30/0x30 [ 425.219497] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.224594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.230131] ? __kthread_parkme+0xfb/0x1a0 [ 425.234367] ? sort_range+0x30/0x30 [ 425.237989] kthread+0x35a/0x440 [ 425.241352] ? kthread_stop+0x900/0x900 [ 425.245323] ret_from_fork+0x3a/0x50 [ 425.249053] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 425.249115] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 425.255801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.255806] Call Trace: [ 425.255823] dump_stack+0x244/0x39d [ 425.255842] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.262356] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.272035] warn_alloc.cold.116+0xb7/0x1bd [ 425.274586] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 425.278201] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.307472] ? lock_downgrade+0x900/0x900 [ 425.311636] ? trace_hardirqs_off+0xb8/0x310 [ 425.316044] ? trace_hardirqs_off+0xb8/0x310 [ 425.320455] __alloc_pages_slowpath+0x26e8/0x2e10 [ 425.325323] ? warn_alloc+0x120/0x120 [ 425.329121] ? print_usage_bug+0xc0/0xc0 [ 425.333181] ? warn_alloc+0x120/0x120 [ 425.336984] ? warn_alloc+0x120/0x120 [ 425.340780] ? print_usage_bug+0xc0/0xc0 [ 425.344839] ? print_usage_bug+0xc0/0xc0 [ 425.348899] ? __lock_acquire+0x62f/0x4c20 [ 425.353134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.358666] ? should_fail+0x22d/0xd01 [ 425.362553] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.367967] ? __lock_acquire+0x62f/0x4c20 [ 425.372201] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.377300] ? __lock_acquire+0x62f/0x4c20 [ 425.381529] ? should_fail+0x22d/0xd01 [ 425.385411] ? find_held_lock+0x36/0x1c0 [ 425.389481] ? mark_held_locks+0x130/0x130 [ 425.393720] ? mark_held_locks+0x130/0x130 [ 425.397999] ? zap_class+0x640/0x640 [ 425.401706] ? zap_class+0x640/0x640 [ 425.405422] ? print_usage_bug+0xc0/0xc0 [ 425.409486] ? do_raw_spin_unlock+0xa7/0x330 [ 425.413975] ? zap_class+0x640/0x640 [ 425.417682] ? print_usage_bug+0xc0/0xc0 [ 425.421742] ? wq_watchdog_touch+0x9c/0xfe [ 425.425974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.431505] ? check_preemption_disabled+0x48/0x280 [ 425.436526] ? __lock_is_held+0xb5/0x140 [ 425.440586] __alloc_pages_nodemask+0xa80/0xde0 [ 425.445247] ? zap_class+0x640/0x640 [ 425.448962] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 425.453984] ? find_held_lock+0x36/0x1c0 [ 425.458049] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.462718] ? lock_downgrade+0x900/0x900 [ 425.467168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.472703] cache_grow_begin+0xa5/0x8c0 [ 425.476764] ? do_raw_spin_unlock+0xa7/0x330 [ 425.481172] fallback_alloc+0x204/0x2e0 [ 425.485148] ____cache_alloc_node+0x1c7/0x1e0 [ 425.489642] kmem_cache_alloc_node+0xe3/0x730 [ 425.494136] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.498375] __alloc_skb+0x119/0x770 [ 425.502083] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.507358] ? netdev_alloc_frag+0x1f0/0x1f0 [ 425.511759] ? lock_downgrade+0x900/0x900 [ 425.515995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.521535] ? refcount_sub_and_test_checked+0x203/0x310 [ 425.526990] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 425.532437] ? addrconf_rs_timer+0x690/0x690 [ 425.536872] ndisc_alloc_skb+0x144/0x340 [ 425.541017] ndisc_send_rs+0x331/0x6e0 [ 425.544920] addrconf_rs_timer+0x314/0x690 [ 425.549154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.553395] call_timer_fn+0x272/0x920 [ 425.557277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.561516] ? process_timeout+0x40/0x40 [ 425.565888] ? __run_timers+0x7da/0xc70 [ 425.569857] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.574364] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.578866] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.583098] ? lockdep_hardirqs_on+0x296/0x5b0 [ 425.587680] ? trace_hardirqs_on+0xbd/0x310 [ 425.591999] ? kasan_check_read+0x11/0x20 [ 425.596325] ? __run_timers+0x7da/0xc70 [ 425.600295] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.605398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.609635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.613863] __run_timers+0x7e5/0xc70 [ 425.617665] ? timer_fixup_init+0x70/0x70 [ 425.621815] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.626319] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.630817] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 425.635395] ? trace_hardirqs_on+0xbd/0x310 [ 425.639715] ? kasan_check_read+0x11/0x20 [ 425.643860] ? finish_task_switch+0x1f4/0x910 [ 425.648351] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.653466] ? compat_start_thread+0x80/0x80 [ 425.657887] ? pvclock_read_flags+0x160/0x160 [ 425.662376] ? __switch_to_asm+0x34/0x70 [ 425.666750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.672284] ? check_preemption_disabled+0x48/0x280 [ 425.677302] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 425.682835] ? rcu_pm_notify+0xc0/0xc0 [ 425.686738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.692270] ? check_preemption_disabled+0x48/0x280 [ 425.697285] run_timer_softirq+0x52/0xb0 [ 425.701342] ? rcu_read_lock_sched_held+0x14f/0x180 [ 425.706355] __do_softirq+0x308/0xb7e [ 425.710152] ? trace_hardirqs_on_caller+0xc0/0x310 [ 425.715084] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 425.720180] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.725630] ? schedule+0x108/0x460 [ 425.729261] ? trace_hardirqs_off+0xb8/0x310 [ 425.733666] ? smpboot_thread_fn+0x68b/0xa00 [ 425.738073] ? trace_hardirqs_on+0x310/0x310 [ 425.742477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.748008] ? check_preemption_disabled+0x48/0x280 [ 425.753020] ? takeover_tasklets+0xa90/0xa90 [ 425.757429] run_ksoftirqd+0x5e/0x100 [ 425.761223] smpboot_thread_fn+0x68b/0xa00 [ 425.765765] ? sort_range+0x30/0x30 [ 425.769394] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.774502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.780039] ? __kthread_parkme+0xfb/0x1a0 [ 425.784286] ? sort_range+0x30/0x30 [ 425.787907] kthread+0x35a/0x440 [ 425.791272] ? kthread_stop+0x900/0x900 [ 425.795243] ret_from_fork+0x3a/0x50 [ 425.798961] warn_alloc_show_mem: 1 callbacks suppressed [ 425.798970] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 425.798972] Mem-Info: [ 425.799002] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 425.799002] active_file:10 inactive_file:14 isolated_file:0 [ 425.799002] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.799002] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 425.799002] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 425.799002] free:13688 free_pcp:208 free_cma:0 [ 425.804331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.811168] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 425.813558] Call Trace: [ 425.846700] 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 [ 425.856064] dump_stack+0x244/0x39d [ 425.884330] lowmem_reserve[]: 0 2818 6321 6321 [ 425.886908] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.912989] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 425.916618] warn_alloc.cold.116+0xb7/0x1bd [ 425.921161] lowmem_reserve[]: 0 0 3503 3503 [ 425.926360] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.953655] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 425.957967] ? lock_downgrade+0x900/0x900 [ 425.962251] lowmem_reserve[]: 0 0 0 0 [ 425.967633] ? trace_hardirqs_off+0xb8/0x310 [ 425.996572] 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 [ 426.000716] ? trace_hardirqs_off+0xb8/0x310 [ 426.004484] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 426.008886] __alloc_pages_slowpath+0x26e8/0x2e10 [ 426.022390] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 426.026823] ? warn_alloc+0x120/0x120 [ 426.042572] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 426.047404] ? print_usage_bug+0xc0/0xc0 [ 426.062294] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 426.066831] ? warn_alloc+0x120/0x120 [ 426.075639] 1671 total pagecache pages [ 426.079704] ? warn_alloc+0x120/0x120 [ 426.088257] 0 pages in swap cache [ 426.092039] ? print_usage_bug+0xc0/0xc0 [ 426.095897] Swap cache stats: add 0, delete 0, find 0/0 [ 426.095904] Free swap = 0kB [ 426.099780] ? print_usage_bug+0xc0/0xc0 [ 426.103203] Total swap = 0kB [ 426.107253] ? __lock_acquire+0x62f/0x4c20 [ 426.112590] 1965979 pages RAM [ 426.115600] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.119631] 0 pages HighMem/MovableOnly [ 426.122641] ? should_fail+0x22d/0xd01 [ 426.126858] 342853 pages reserved [ 426.126865] 0 pages cma reserved [ 426.129969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.135556] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.139451] ? __lock_acquire+0x62f/0x4c20 [ 426.143358] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.146952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.150288] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 426.155372] ? __lock_acquire+0x62f/0x4c20 [ 426.155394] ? should_fail+0x22d/0xd01 [ 426.194958] ? find_held_lock+0x36/0x1c0 [ 426.199024] ? mark_held_locks+0x130/0x130 [ 426.203257] ? mark_held_locks+0x130/0x130 [ 426.207485] ? zap_class+0x640/0x640 [ 426.211193] ? zap_class+0x640/0x640 [ 426.214903] ? print_usage_bug+0xc0/0xc0 [ 426.218956] ? do_raw_spin_unlock+0xa7/0x330 [ 426.223359] ? zap_class+0x640/0x640 [ 426.227079] ? print_usage_bug+0xc0/0xc0 [ 426.231234] ? wq_watchdog_touch+0x9c/0xfe [ 426.235583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.241120] ? check_preemption_disabled+0x48/0x280 [ 426.246147] ? __lock_is_held+0xb5/0x140 [ 426.250210] __alloc_pages_nodemask+0xa80/0xde0 [ 426.254874] ? zap_class+0x640/0x640 [ 426.258586] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 426.263606] ? find_held_lock+0x36/0x1c0 [ 426.268212] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.272878] ? lock_downgrade+0x900/0x900 [ 426.277029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.282567] cache_grow_begin+0xa5/0x8c0 [ 426.286622] ? do_raw_spin_unlock+0xa7/0x330 [ 426.291033] fallback_alloc+0x204/0x2e0 [ 426.295008] ____cache_alloc_node+0x1c7/0x1e0 [ 426.299507] kmem_cache_alloc_node+0xe3/0x730 [ 426.304000] ? ipv6_get_ifaddr+0x42e/0x620 [ 426.308235] __alloc_skb+0x119/0x770 [ 426.311939] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.317216] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.321620] ? lock_downgrade+0x900/0x900 [ 426.325773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.331305] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.336754] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.342198] ? addrconf_rs_timer+0x690/0x690 [ 426.346611] ndisc_alloc_skb+0x144/0x340 [ 426.350686] ndisc_send_rs+0x331/0x6e0 [ 426.354573] addrconf_rs_timer+0x314/0x690 [ 426.358806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.363045] call_timer_fn+0x272/0x920 [ 426.367504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.371755] ? process_timeout+0x40/0x40 [ 426.375818] ? __run_timers+0x7da/0xc70 [ 426.379788] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.384275] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.388779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.393099] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.397681] ? trace_hardirqs_on+0xbd/0x310 [ 426.402000] ? kasan_check_read+0x11/0x20 [ 426.406144] ? __run_timers+0x7da/0xc70 [ 426.410117] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.415219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.419453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.423680] __run_timers+0x7e5/0xc70 [ 426.427488] ? timer_fixup_init+0x70/0x70 [ 426.431631] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.436119] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.440617] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 426.445197] ? trace_hardirqs_on+0xbd/0x310 [ 426.449513] ? kasan_check_read+0x11/0x20 [ 426.453659] ? finish_task_switch+0x1f4/0x910 [ 426.458154] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.463251] ? compat_start_thread+0x80/0x80 [ 426.468389] ? pvclock_read_flags+0x160/0x160 [ 426.472899] ? __switch_to_asm+0x34/0x70 [ 426.476958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.482500] ? check_preemption_disabled+0x48/0x280 [ 426.487519] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 426.493054] ? rcu_pm_notify+0xc0/0xc0 [ 426.496938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.502475] ? check_preemption_disabled+0x48/0x280 [ 426.507495] run_timer_softirq+0x52/0xb0 [ 426.511552] ? rcu_read_lock_sched_held+0x14f/0x180 [ 426.516650] __do_softirq+0x308/0xb7e [ 426.520450] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.525898] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 426.531002] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.536542] ? schedule+0x108/0x460 [ 426.540167] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.544929] ? trace_hardirqs_off+0xb8/0x310 [ 426.549340] ? smpboot_thread_fn+0x68b/0xa00 [ 426.553746] ? trace_hardirqs_on+0x310/0x310 [ 426.558152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.563683] ? check_preemption_disabled+0x48/0x280 [ 426.569404] ? takeover_tasklets+0xa90/0xa90 [ 426.573809] run_ksoftirqd+0x5e/0x100 [ 426.577605] smpboot_thread_fn+0x68b/0xa00 [ 426.581837] ? sort_range+0x30/0x30 [ 426.585461] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.590560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.596090] ? __kthread_parkme+0xfb/0x1a0 [ 426.600324] ? sort_range+0x30/0x30 [ 426.603952] kthread+0x35a/0x440 [ 426.607314] ? kthread_stop+0x900/0x900 [ 426.611290] ret_from_fork+0x3a/0x50 [ 426.615017] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 426.615082] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.621856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.621861] Call Trace: [ 426.621878] dump_stack+0x244/0x39d [ 426.621896] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.628438] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.637742] warn_alloc.cold.116+0xb7/0x1bd [ 426.640293] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 426.643931] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.673465] ? lock_downgrade+0x900/0x900 [ 426.677620] ? trace_hardirqs_off+0xb8/0x310 [ 426.682045] ? trace_hardirqs_off+0xb8/0x310 [ 426.686464] __alloc_pages_slowpath+0x26e8/0x2e10 [ 426.691324] ? warn_alloc+0x120/0x120 [ 426.695132] ? print_usage_bug+0xc0/0xc0 [ 426.699186] ? warn_alloc+0x120/0x120 [ 426.702986] ? warn_alloc+0x120/0x120 [ 426.706782] ? print_usage_bug+0xc0/0xc0 [ 426.710844] ? print_usage_bug+0xc0/0xc0 [ 426.714924] ? __lock_acquire+0x62f/0x4c20 [ 426.719159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.724692] ? should_fail+0x22d/0xd01 [ 426.728606] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.733706] ? __lock_acquire+0x62f/0x4c20 [ 426.737939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.743051] ? __lock_acquire+0x62f/0x4c20 [ 426.747279] ? should_fail+0x22d/0xd01 [ 426.751160] ? find_held_lock+0x36/0x1c0 [ 426.755224] ? mark_held_locks+0x130/0x130 [ 426.759461] ? mark_held_locks+0x130/0x130 [ 426.763688] ? zap_class+0x640/0x640 [ 426.767675] ? zap_class+0x640/0x640 [ 426.771389] ? print_usage_bug+0xc0/0xc0 [ 426.775445] ? do_raw_spin_unlock+0xa7/0x330 [ 426.779847] ? zap_class+0x640/0x640 [ 426.783556] ? print_usage_bug+0xc0/0xc0 [ 426.787614] ? wq_watchdog_touch+0x9c/0xfe [ 426.791846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.797378] ? check_preemption_disabled+0x48/0x280 [ 426.802399] ? __lock_is_held+0xb5/0x140 [ 426.806458] __alloc_pages_nodemask+0xa80/0xde0 [ 426.811119] ? zap_class+0x640/0x640 [ 426.814834] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 426.819858] ? find_held_lock+0x36/0x1c0 [ 426.823925] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.828597] ? lock_downgrade+0x900/0x900 [ 426.832746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.838281] cache_grow_begin+0xa5/0x8c0 [ 426.842341] ? do_raw_spin_unlock+0xa7/0x330 [ 426.846968] fallback_alloc+0x204/0x2e0 [ 426.850943] ____cache_alloc_node+0x1c7/0x1e0 [ 426.855447] kmem_cache_alloc_node+0xe3/0x730 [ 426.859940] ? ipv6_get_ifaddr+0x42e/0x620 [ 426.864179] __alloc_skb+0x119/0x770 [ 426.868188] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.873464] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.877871] ? lock_downgrade+0x900/0x900 [ 426.882027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.887558] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.893011] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.898459] ? addrconf_rs_timer+0x690/0x690 [ 426.902872] ndisc_alloc_skb+0x144/0x340 [ 426.906933] ndisc_send_rs+0x331/0x6e0 [ 426.910820] addrconf_rs_timer+0x314/0x690 [ 426.915055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.919297] call_timer_fn+0x272/0x920 [ 426.923186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.927418] ? process_timeout+0x40/0x40 [ 426.931483] ? __run_timers+0x7da/0xc70 [ 426.935454] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.939942] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.944430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.948686] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.953262] ? trace_hardirqs_on+0xbd/0x310 [ 426.957583] ? kasan_check_read+0x11/0x20 [ 426.961722] ? __run_timers+0x7da/0xc70 [ 426.966006] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.971110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.975348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.979581] __run_timers+0x7e5/0xc70 [ 426.983386] ? timer_fixup_init+0x70/0x70 [ 426.987530] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.992031] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.996524] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 427.001101] ? trace_hardirqs_on+0xbd/0x310 [ 427.005418] ? kasan_check_read+0x11/0x20 [ 427.009567] ? finish_task_switch+0x1f4/0x910 [ 427.014323] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.019425] ? compat_start_thread+0x80/0x80 [ 427.023846] ? pvclock_read_flags+0x160/0x160 [ 427.028340] ? __switch_to_asm+0x34/0x70 [ 427.032397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.037943] ? check_preemption_disabled+0x48/0x280 [ 427.042961] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 427.048493] ? rcu_pm_notify+0xc0/0xc0 [ 427.052379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.057917] ? check_preemption_disabled+0x48/0x280 [ 427.062933] run_timer_softirq+0x52/0xb0 [ 427.067296] ? rcu_read_lock_sched_held+0x14f/0x180 [ 427.072325] __do_softirq+0x308/0xb7e [ 427.076212] ? trace_hardirqs_on_caller+0xc0/0x310 [ 427.081140] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 427.086238] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.091694] ? schedule+0x108/0x460 [ 427.095332] ? trace_hardirqs_off+0xb8/0x310 [ 427.099740] ? smpboot_thread_fn+0x68b/0xa00 [ 427.104143] ? trace_hardirqs_on+0x310/0x310 [ 427.108547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.114082] ? check_preemption_disabled+0x48/0x280 [ 427.119094] ? takeover_tasklets+0xa90/0xa90 [ 427.123498] run_ksoftirqd+0x5e/0x100 [ 427.127296] smpboot_thread_fn+0x68b/0xa00 [ 427.131538] ? sort_range+0x30/0x30 [ 427.135168] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.140268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.145813] ? __kthread_parkme+0xfb/0x1a0 [ 427.150045] ? sort_range+0x30/0x30 [ 427.153667] kthread+0x35a/0x440 [ 427.157031] ? kthread_stop+0x900/0x900 [ 427.161175] ret_from_fork+0x3a/0x50 [ 427.165103] warn_alloc_show_mem: 1 callbacks suppressed [ 427.165106] Mem-Info: [ 427.165321] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 427.170474] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 427.170474] active_file:10 inactive_file:14 isolated_file:0 [ 427.170474] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.170474] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 427.170474] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 427.170474] free:13688 free_pcp:208 free_cma:0 [ 427.172861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.179713] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.212742] Call Trace: [ 427.222092] 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 [ 427.249756] dump_stack+0x244/0x39d [ 427.252324] lowmem_reserve[]: 0 2818 6321 6321 [ 427.278973] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.282574] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 427.287155] warn_alloc.cold.116+0xb7/0x1bd [ 427.292330] lowmem_reserve[]: 0 0 3503 3503 [ 427.319655] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.323948] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 427.328264] ? lock_downgrade+0x900/0x900 [ 427.333086] lowmem_reserve[]: 0 0 0 0 [ 427.362060] ? trace_hardirqs_off+0xb8/0x310 [ 427.366523] 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 [ 427.370333] ? trace_hardirqs_off+0xb8/0x310 [ 427.374710] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 427.388229] __alloc_pages_slowpath+0x26e8/0x2e10 [ 427.392605] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 427.408320] ? warn_alloc+0x120/0x120 [ 427.413132] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 427.428027] ? print_usage_bug+0xc0/0xc0 [ 427.431811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 427.440653] ? warn_alloc+0x120/0x120 [ 427.444688] 1671 total pagecache pages [ 427.453249] ? warn_alloc+0x120/0x120 [ 427.457030] 0 pages in swap cache [ 427.460905] ? print_usage_bug+0xc0/0xc0 [ 427.464682] Swap cache stats: add 0, delete 0, find 0/0 [ 427.468627] ? print_usage_bug+0xc0/0xc0 [ 427.472671] Free swap = 0kB [ 427.478110] ? __lock_acquire+0x62f/0x4c20 [ 427.482138] Total swap = 0kB [ 427.482144] 1965979 pages RAM [ 427.485152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.489358] 0 pages HighMem/MovableOnly [ 427.489364] 342853 pages reserved [ 427.492372] ? should_fail+0x22d/0xd01 [ 427.495446] 0 pages cma reserved [ 427.500971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.504977] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 427.508358] ? __lock_acquire+0x62f/0x4c20 [ 427.508375] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.508390] ? __lock_acquire+0x62f/0x4c20 [ 427.512330] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.515618] ? should_fail+0x22d/0xd01 [ 427.520695] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 427.527176] ? find_held_lock+0x36/0x1c0 [ 427.563596] ? mark_held_locks+0x130/0x130 [ 427.568537] ? mark_held_locks+0x130/0x130 [ 427.572764] ? zap_class+0x640/0x640 [ 427.576479] ? mark_held_locks+0xc7/0x130 [ 427.580621] ? do_raw_spin_unlock+0xa7/0x330 [ 427.585028] ? zap_class+0x640/0x640 [ 427.588737] ? print_usage_bug+0xc0/0xc0 [ 427.592798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.598329] ? check_preemption_disabled+0x48/0x280 [ 427.603350] ? __lock_is_held+0xb5/0x140 [ 427.607413] __alloc_pages_nodemask+0xa80/0xde0 [ 427.612081] ? zap_class+0x640/0x640 [ 427.615793] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 427.620814] ? find_held_lock+0x36/0x1c0 [ 427.624880] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.629543] ? lock_downgrade+0x900/0x900 [ 427.633717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.639253] cache_grow_begin+0xa5/0x8c0 [ 427.643315] ? do_raw_spin_unlock+0xa7/0x330 [ 427.647728] fallback_alloc+0x204/0x2e0 [ 427.651704] ____cache_alloc_node+0x1c7/0x1e0 [ 427.656198] kmem_cache_alloc_node+0xe3/0x730 [ 427.660690] ? ipv6_get_ifaddr+0x42e/0x620 [ 427.665495] __alloc_skb+0x119/0x770 [ 427.669215] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.674492] ? netdev_alloc_frag+0x1f0/0x1f0 [ 427.679069] ? lock_downgrade+0x900/0x900 [ 427.683218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.688750] ? refcount_sub_and_test_checked+0x203/0x310 [ 427.694223] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 427.699678] ? addrconf_rs_timer+0x690/0x690 [ 427.704093] ndisc_alloc_skb+0x144/0x340 [ 427.708153] ndisc_send_rs+0x331/0x6e0 [ 427.712045] addrconf_rs_timer+0x314/0x690 [ 427.716283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.720528] call_timer_fn+0x272/0x920 [ 427.724410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.728638] ? process_timeout+0x40/0x40 [ 427.732704] ? __run_timers+0x7da/0xc70 [ 427.736673] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.741164] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.745652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.749883] ? lockdep_hardirqs_on+0x296/0x5b0 [ 427.754460] ? trace_hardirqs_on+0xbd/0x310 [ 427.758781] ? kasan_check_read+0x11/0x20 [ 427.762922] ? __run_timers+0x7da/0xc70 [ 427.767463] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.772564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.776800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.781034] __run_timers+0x7e5/0xc70 [ 427.784838] ? timer_fixup_init+0x70/0x70 [ 427.788993] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.793490] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.797986] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 427.802570] ? trace_hardirqs_on+0xbd/0x310 [ 427.806885] ? kasan_check_read+0x11/0x20 [ 427.811035] ? finish_task_switch+0x1f4/0x910 [ 427.815528] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.820626] ? compat_start_thread+0x80/0x80 [ 427.825048] ? pvclock_read_flags+0x160/0x160 [ 427.829536] ? __switch_to_asm+0x34/0x70 [ 427.833595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.839145] ? check_preemption_disabled+0x48/0x280 [ 427.844168] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 427.849718] ? rcu_pm_notify+0xc0/0xc0 [ 427.853601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.859133] ? check_preemption_disabled+0x48/0x280 [ 427.864147] run_timer_softirq+0x52/0xb0 [ 427.868535] ? rcu_read_lock_sched_held+0x14f/0x180 [ 427.873550] __do_softirq+0x308/0xb7e [ 427.877353] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.882892] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 427.887990] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.893443] ? schedule+0x108/0x460 [ 427.897082] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 427.901843] ? trace_hardirqs_off+0xb8/0x310 [ 427.906263] ? smpboot_thread_fn+0x68b/0xa00 [ 427.910666] ? trace_hardirqs_on+0x310/0x310 [ 427.915074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.920608] ? check_preemption_disabled+0x48/0x280 [ 427.925622] ? takeover_tasklets+0xa90/0xa90 [ 427.930041] run_ksoftirqd+0x5e/0x100 [ 427.933836] smpboot_thread_fn+0x68b/0xa00 [ 427.938072] ? sort_range+0x30/0x30 [ 427.941698] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.946797] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.952330] ? __kthread_parkme+0xfb/0x1a0 [ 427.956563] ? sort_range+0x30/0x30 [ 427.960186] kthread+0x35a/0x440 [ 427.963551] ? kthread_stop+0x900/0x900 [ 427.968063] ret_from_fork+0x3a/0x50 [ 427.971788] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 427.971820] rcu: INFO: rcu_preempt self-detected stall on CPU [ 427.978533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.978540] Call Trace: [ 427.984632] rcu: 1-...!: (130 ticks this GP) idle=f66/1/0x4000000000000002 softirq=17473/17473 fqs=0 [ 427.993768] dump_stack+0x244/0x39d [ 427.993786] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.993811] warn_alloc.cold.116+0xb7/0x1bd [ 427.993827] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.993844] ? lock_downgrade+0x900/0x900 [ 427.993865] ? trace_hardirqs_off+0xb8/0x310 [ 427.993885] ? trace_hardirqs_off+0xb8/0x310 [ 427.996613] rcu: (t=10503 jiffies g=22161 q=87) [ 428.006054] __alloc_pages_slowpath+0x26e8/0x2e10 [ 428.009662] rcu: rcu_preempt kthread starved for 10503 jiffies! g22161 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 428.014853] ? warn_alloc+0x120/0x120 [ 428.019127] rcu: RCU grace-period kthread stack dump: [ 428.023955] ? print_usage_bug+0xc0/0xc0 [ 428.028078] rcu_preempt R running task 23000 10 2 0x80000000 [ 428.032473] ? warn_alloc+0x120/0x120 [ 428.036856] Call Trace: [ 428.041713] ? warn_alloc+0x120/0x120 [ 428.046536] __schedule+0x8cf/0x21d0 [ 428.057185] ? print_usage_bug+0xc0/0xc0 [ 428.060976] ? __sched_text_start+0x8/0x8 [ 428.066430] ? print_usage_bug+0xc0/0xc0 [ 428.070489] ? add_timer_on+0xa20/0xa20 [ 428.077655] ? __lock_acquire+0x62f/0x4c20 [ 428.081436] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.084007] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.087783] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.091755] ? should_fail+0x22d/0xd01 [ 428.095812] ? trace_hardirqs_on+0xbd/0x310 [ 428.099942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.103987] ? kasan_check_read+0x11/0x20 [ 428.107938] ? __lock_acquire+0x62f/0x4c20 [ 428.112155] ? prepare_to_swait_event+0x25a/0x800 [ 428.117251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.122767] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.127847] ? __lock_acquire+0x62f/0x4c20 [ 428.131722] schedule+0xfe/0x460 [ 428.136021] ? should_fail+0x22d/0xd01 [ 428.141106] ? __schedule+0x21d0/0x21d0 [ 428.145247] ? mark_held_locks+0x130/0x130 [ 428.149459] ? prepare_to_swait_event+0x25a/0x800 [ 428.154286] ? mark_held_locks+0x130/0x130 [ 428.159371] ? __init_swait_queue_head+0x150/0x150 [ 428.164539] ? lock_downgrade+0x900/0x900 [ 428.169254] ? __lockdep_init_map+0x105/0x590 [ 428.172600] ? zap_class+0x640/0x640 [ 428.176468] ? lockdep_init_map+0x9/0x10 [ 428.180427] ? print_usage_bug+0xc0/0xc0 [ 428.184648] schedule_timeout+0x140/0x260 [ 428.189472] ? trace_hardirqs_off+0xb8/0x310 [ 428.193681] ? usleep_range+0x1a0/0x1a0 [ 428.198590] ? kasan_check_read+0x11/0x20 [ 428.202731] ? __next_timer_interrupt+0x1a0/0x1a0 [ 428.207214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.210915] rcu_gp_fqs_loop+0x762/0xa80 [ 428.214947] ? check_preemption_disabled+0x48/0x280 [ 428.219082] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 428.223223] ? __lock_is_held+0xb5/0x140 [ 428.227625] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.231583] __alloc_pages_nodemask+0xa80/0xde0 [ 428.235723] ? perf_trace_sched_process_exec+0x860/0x860 [ 428.240543] ? zap_class+0x640/0x640 [ 428.246062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.250109] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 428.255113] ? rcu_gp_init+0x90b/0x1260 [ 428.259853] ? find_held_lock+0x36/0x1c0 [ 428.263904] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 428.269287] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.273933] ? rcu_accelerate_cbs+0x10a/0xae0 [ 428.279365] ? lock_downgrade+0x900/0x900 [ 428.283059] ? zap_class+0x640/0x640 [ 428.288584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.293579] ? zap_class+0x640/0x640 [ 428.297537] cache_grow_begin+0xa5/0x8c0 [ 428.301586] ? __lock_is_held+0xb5/0x140 [ 428.306316] ? do_raw_spin_unlock+0xa7/0x330 [ 428.310977] ? __lock_is_held+0xb5/0x140 [ 428.315450] fallback_alloc+0x204/0x2e0 [ 428.319576] ? zap_class+0x640/0x640 [ 428.323275] ____cache_alloc_node+0x1c7/0x1e0 [ 428.328796] ? rcu_accelerate_cbs+0x10a/0xae0 [ 428.332501] kmem_cache_alloc_node+0xe3/0x730 [ 428.336547] ? find_held_lock+0x36/0x1c0 [ 428.340581] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.344979] ? rcu_gp_kthread+0x8cf/0xc70 [ 428.349024] __alloc_skb+0x119/0x770 [ 428.352975] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.356669] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.361145] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.365916] ? netdev_alloc_frag+0x1f0/0x1f0 [ 428.370394] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 428.374435] ? lock_downgrade+0x900/0x900 [ 428.378649] ? trace_hardirqs_on+0xbd/0x310 [ 428.382783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.386474] ? kasan_check_read+0x11/0x20 [ 428.390952] ? refcount_sub_and_test_checked+0x203/0x310 [ 428.396221] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.400698] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 428.405105] ? perf_trace_sched_process_exec+0x860/0x860 [ 428.409667] ? addrconf_rs_timer+0x690/0x690 [ 428.413794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.418104] ndisc_alloc_skb+0x144/0x340 [ 428.423620] rcu_gp_kthread+0x341/0xc70 [ 428.427747] ndisc_send_rs+0x331/0x6e0 [ 428.433181] ? rcu_gp_init+0x1260/0x1260 [ 428.438372] addrconf_rs_timer+0x314/0x690 [ 428.443800] ? mark_held_locks+0x130/0x130 [ 428.449257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.453644] ? __schedule+0x168a/0x21d0 [ 428.459167] call_timer_fn+0x272/0x920 [ 428.463208] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.467435] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.471403] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 428.475450] ? process_timeout+0x40/0x40 [ 428.479660] ? trace_hardirqs_on+0xbd/0x310 [ 428.483881] ? __run_timers+0x7da/0xc70 [ 428.488352] ? kasan_check_read+0x11/0x20 [ 428.492306] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.496174] ? __schedule+0x168a/0x21d0 [ 428.500653] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.504868] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.509428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.513473] ? lock_pin_lock+0x350/0x350 [ 428.517777] ? lockdep_hardirqs_on+0x296/0x5b0 [ 428.521822] ? _raw_spin_unlock_irq+0x60/0x80 [ 428.525953] ? trace_hardirqs_on+0xbd/0x310 [ 428.530430] ? __schedule+0x168a/0x21d0 [ 428.534386] ? kasan_check_read+0x11/0x20 [ 428.538872] ? __switch_to_asm+0x40/0x70 [ 428.543957] ? __run_timers+0x7da/0xc70 [ 428.548173] ? __switch_to_asm+0x40/0x70 [ 428.552236] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.556799] ? show_schedstat+0x721/0xf30 [ 428.561275] ? __queue_work+0x1440/0x1440 [ 428.566111] ? __sched_text_start+0x8/0x8 [ 428.570066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.574204] ? find_held_lock+0x36/0x1c0 [ 428.578243] __run_timers+0x7e5/0xc70 [ 428.582364] ? __kthread_parkme+0xce/0x1a0 [ 428.586404] ? timer_fixup_init+0x70/0x70 [ 428.591486] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.595612] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.599738] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.603866] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.608082] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 428.612122] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 428.615904] ? trace_hardirqs_on+0xbd/0x310 [ 428.620120] ? trace_hardirqs_on+0xbd/0x310 [ 428.624247] ? kasan_check_read+0x11/0x20 [ 428.629332] ? kasan_check_read+0x11/0x20 [ 428.633805] ? __kthread_parkme+0xce/0x1a0 [ 428.638887] ? finish_task_switch+0x1f4/0x910 [ 428.643358] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.647917] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.652491] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.656786] ? compat_start_thread+0x80/0x80 [ 428.661089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.665521] ? pvclock_read_flags+0x160/0x160 [ 428.669638] ? __kthread_parkme+0xfb/0x1a0 [ 428.673849] ? __switch_to_asm+0x34/0x70 [ 428.678344] ? rcu_gp_init+0x1260/0x1260 [ 428.683434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.688510] kthread+0x35a/0x440 [ 428.693594] ? check_preemption_disabled+0x48/0x280 [ 428.697984] ? kthread_stop+0x900/0x900 [ 428.703507] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 428.707981] ret_from_fork+0x3a/0x50 [ 428.712199] ? rcu_pm_notify+0xc0/0xc0 [ 428.716253] NMI backtrace for cpu 1 [ 428.720300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.760513] ? check_preemption_disabled+0x48/0x280 [ 428.765855] run_timer_softirq+0x52/0xb0 [ 428.769909] ? rcu_read_lock_sched_held+0x14f/0x180 [ 428.774922] __do_softirq+0x308/0xb7e [ 428.778724] ? trace_hardirqs_on_caller+0xc0/0x310 [ 428.783664] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 428.788760] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.794215] ? schedule+0x108/0x460 [ 428.797859] ? trace_hardirqs_off+0xb8/0x310 [ 428.802265] ? smpboot_thread_fn+0x68b/0xa00 [ 428.806669] ? trace_hardirqs_on+0x310/0x310 [ 428.811075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.816631] ? check_preemption_disabled+0x48/0x280 [ 428.821642] ? takeover_tasklets+0xa90/0xa90 [ 428.826060] run_ksoftirqd+0x5e/0x100 [ 428.829855] smpboot_thread_fn+0x68b/0xa00 [ 428.834086] ? sort_range+0x30/0x30 [ 428.837707] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.842803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.848864] ? __kthread_parkme+0xfb/0x1a0 [ 428.853099] ? sort_range+0x30/0x30 [ 428.856718] kthread+0x35a/0x440 [ 428.860081] ? kthread_stop+0x900/0x900 [ 428.864065] ret_from_fork+0x3a/0x50 [ 428.868109] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 428.868114] warn_alloc_show_mem: 1 callbacks suppressed [ 428.868120] Mem-Info: [ 428.874981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.880357] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 428.880357] active_file:10 inactive_file:14 isolated_file:0 [ 428.880357] unevictable:0 dirty:0 writeback:0 unstable:0 [ 428.880357] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 428.880357] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 428.880357] free:13688 free_pcp:208 free_cma:0 [ 428.882727] Call Trace: [ 428.892101] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 428.925116] [ 428.927679] 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 [ 428.955341] dump_stack+0x244/0x39d [ 428.957461] lowmem_reserve[]: 0 2818 6321 6321 [ 428.984309] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.987907] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 428.992496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.997996] lowmem_reserve[]: 0 0 3503 3503 [ 429.025690] ? do_raw_spin_lock+0x14f/0x350 [ 429.031213] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 429.035529] nmi_cpu_backtrace.cold.2+0x5c/0xa1 [ 429.039821] lowmem_reserve[]: 0 0 0 0 [ 429.069524] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 429.074180] 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 [ 429.077970] nmi_trigger_cpumask_backtrace+0x1e8/0x22a [ 429.083140] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 429.096657] arch_trigger_cpumask_backtrace+0x14/0x20 [ 429.101903] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 429.117672] rcu_dump_cpu_stacks+0x16f/0x1bc [ 429.122841] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 429.137738] print_cpu_stall.cold.67+0x1f3/0x3c7 [ 429.142119] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 429.150941] ? print_other_cpu_stall+0x160/0x160 [ 429.155675] 1671 total pagecache pages [ 429.164239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.169285] 0 pages in swap cache [ 429.173176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.178687] Swap cache stats: add 0, delete 0, find 0/0 [ 429.182132] ? do_trace_rcu_torture_read+0x10/0x10 [ 429.187640] Free swap = 0kB [ 429.193005] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 429.197902] Total swap = 0kB [ 429.200921] ? __lock_is_held+0xb5/0x140 [ 429.206172] 1965979 pages RAM [ 429.209200] ? __rcu_read_lock+0x50/0x50 [ 429.213238] 0 pages HighMem/MovableOnly [ 429.216333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.220364] 342853 pages reserved [ 429.224335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.229841] 0 pages cma reserved [ 429.233296] ? check_preemption_disabled+0x48/0x280 [ 429.238947] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 429.242245] rcu_check_callbacks+0xf3b/0x13f0 [ 429.247326] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.253746] ? rcutree_dead_cpu+0x10/0x10 [ 429.258211] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 429.269083] ? lock_downgrade+0x900/0x900 [ 429.282002] ? lock_release+0x930/0xa00 [ 429.285978] ? zap_class+0x640/0x640 [ 429.289694] ? zap_class+0x640/0x640 [ 429.293406] ? mark_held_locks+0x130/0x130 [ 429.297638] ? zap_class+0x640/0x640 [ 429.301350] ? zap_class+0x640/0x640 [ 429.305059] ? find_held_lock+0x36/0x1c0 [ 429.309134] ? cpuacct_account_field+0x219/0x3d0 [ 429.313896] ? zap_class+0x640/0x640 [ 429.317630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.323182] ? check_preemption_disabled+0x48/0x280 [ 429.328200] ? trace_hardirqs_off+0xb8/0x310 [ 429.332606] ? __lock_is_held+0xb5/0x140 [ 429.336676] ? trace_hardirqs_on+0x310/0x310 [ 429.341085] ? check_preemption_disabled+0x48/0x280 [ 429.346114] ? raise_softirq+0x199/0x420 [ 429.350171] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 429.354852] ? account_system_index_time+0x333/0x5d0 [ 429.359958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.366030] ? check_preemption_disabled+0x48/0x280 [ 429.371046] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 429.376577] ? hrtimer_run_queues+0x9a/0x400 [ 429.380987] ? run_local_timers+0x19b/0x230 [ 429.385307] ? timer_clear_idle+0x90/0x90 [ 429.389454] ? irqtime_account_process_tick.isra.6+0x38e/0x490 [ 429.395426] ? account_process_tick+0x282/0x350 [ 429.400095] update_process_times+0x2d/0x70 [ 429.404424] tick_sched_handle+0x9f/0x180 [ 429.408569] tick_sched_timer+0x45/0x130 [ 429.412625] __hrtimer_run_queues+0x41c/0x10d0 [ 429.417218] ? tick_sched_do_timer+0x1a0/0x1a0 [ 429.421798] ? hrtimer_start_range_ns+0xe00/0xe00 [ 429.426644] ? pvclock_read_flags+0x160/0x160 [ 429.431139] ? trace_hardirqs_on+0x310/0x310 [ 429.435550] ? kvm_clock_read+0x18/0x30 [ 429.439519] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 429.444530] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 429.449894] ? do_timer+0x50/0x50 [ 429.453346] ? rwlock_bug.part.2+0x90/0x90 [ 429.457576] ? trace_hardirqs_on+0x310/0x310 [ 429.461980] ? rcu_softirq_qs+0x20/0x20 [ 429.466721] hrtimer_interrupt+0x313/0x780 [ 429.470970] smp_apic_timer_interrupt+0x1a1/0x760 [ 429.475807] ? smp_call_function_single_interrupt+0x159/0x650 [ 429.481702] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.487582] ? interrupt_entry+0xb5/0xc0 [ 429.491818] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.496826] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.501842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.506684] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.511733] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.516752] ? task_prio+0x50/0x50 [ 429.520287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.525823] ? check_preemption_disabled+0x48/0x280 [ 429.530845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.535695] apic_timer_interrupt+0xf/0x20 [ 429.539919] [ 429.542157] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 429.547529] Code: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac [ 429.566954] RSP: 0000:ffff8801d9b57410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 429.574658] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b36959c [ 429.581921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 429.589187] RBP: ffff8801d9b57480 R08: ffff8801d9b4ace0 R09: 0000000000000002 [ 429.596464] R10: 0000000000000000 R11: ffff8801d9b4a440 R12: ffff8801d9beec00 [ 429.603813] R13: ffff8801d9beec00 R14: 0000000000000000 R15: 0000000000000286 [ 429.611117] ? ipv6_get_ifaddr+0x42e/0x620 [ 429.615368] __alloc_skb+0x119/0x770 [ 429.619076] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.624356] ? netdev_alloc_frag+0x1f0/0x1f0 [ 429.628771] ? lock_downgrade+0x900/0x900 [ 429.632927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.638461] ? refcount_sub_and_test_checked+0x203/0x310 [ 429.643909] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 429.649363] ? addrconf_rs_timer+0x690/0x690 [ 429.653780] ndisc_alloc_skb+0x144/0x340 [ 429.657847] ndisc_send_rs+0x331/0x6e0 [ 429.661737] addrconf_rs_timer+0x314/0x690 [ 429.666525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.670764] call_timer_fn+0x272/0x920 [ 429.674646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.678880] ? process_timeout+0x40/0x40 [ 429.682943] ? __run_timers+0x7da/0xc70 [ 429.686926] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.691418] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.695904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.700134] ? lockdep_hardirqs_on+0x296/0x5b0 [ 429.704713] ? trace_hardirqs_on+0xbd/0x310 [ 429.709029] ? kasan_check_read+0x11/0x20 [ 429.713184] ? __run_timers+0x7da/0xc70 [ 429.717171] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.722275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.726508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.730734] __run_timers+0x7e5/0xc70 [ 429.734538] ? timer_fixup_init+0x70/0x70 [ 429.738689] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.743177] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.747670] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 429.752247] ? trace_hardirqs_on+0xbd/0x310 [ 429.756562] ? kasan_check_read+0x11/0x20 [ 429.760719] ? finish_task_switch+0x1f4/0x910 [ 429.765732] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.770835] ? compat_start_thread+0x80/0x80 [ 429.775260] ? pvclock_read_flags+0x160/0x160 [ 429.779749] ? __switch_to_asm+0x34/0x70 [ 429.783811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.789349] ? check_preemption_disabled+0x48/0x280 [ 429.794371] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 429.799905] ? rcu_pm_notify+0xc0/0xc0 [ 429.803790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.809323] ? check_preemption_disabled+0x48/0x280 [ 429.814337] run_timer_softirq+0x52/0xb0 [ 429.818392] ? rcu_read_lock_sched_held+0x14f/0x180 [ 429.823402] __do_softirq+0x308/0xb7e [ 429.827201] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.832650] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 429.837746] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.843195] ? schedule+0x108/0x460 [ 429.846817] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.851580] ? trace_hardirqs_off+0xb8/0x310 [ 429.855980] ? smpboot_thread_fn+0x68b/0xa00 [ 429.860393] ? trace_hardirqs_on+0x310/0x310 [ 429.865546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.871085] ? check_preemption_disabled+0x48/0x280 [ 429.876097] ? takeover_tasklets+0xa90/0xa90 [ 429.880515] run_ksoftirqd+0x5e/0x100 [ 429.884310] smpboot_thread_fn+0x68b/0xa00 [ 429.888553] ? sort_range+0x30/0x30 [ 429.892178] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.897276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.902808] ? __kthread_parkme+0xfb/0x1a0 [ 429.907046] ? sort_range+0x30/0x30 [ 429.910677] kthread+0x35a/0x440 [ 429.914039] ? kthread_stop+0x900/0x900 [ 429.918016] ret_from_fork+0x3a/0x50 [ 429.921753] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 429.922075] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 429.928502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.928507] Call Trace: [ 429.928526] dump_stack+0x244/0x39d [ 429.928544] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.935071] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.944371] warn_alloc.cold.116+0xb7/0x1bd [ 429.946919] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 429.950547] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.980143] ? lock_downgrade+0x900/0x900 [ 429.984303] ? trace_hardirqs_off+0xb8/0x310 [ 429.988728] ? trace_hardirqs_off+0xb8/0x310 [ 429.993138] __alloc_pages_slowpath+0x26e8/0x2e10 [ 429.998003] ? warn_alloc+0x120/0x120 [ 430.001803] ? print_usage_bug+0xc0/0xc0 [ 430.005871] ? warn_alloc+0x120/0x120 [ 430.009669] ? warn_alloc+0x120/0x120 [ 430.013469] ? print_usage_bug+0xc0/0xc0 [ 430.017530] ? print_usage_bug+0xc0/0xc0 [ 430.021588] ? __lock_acquire+0x62f/0x4c20 [ 430.025842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.031375] ? should_fail+0x22d/0xd01 [ 430.035260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.040356] ? __lock_acquire+0x62f/0x4c20 [ 430.044591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.049705] ? __lock_acquire+0x62f/0x4c20 [ 430.053935] ? should_fail+0x22d/0xd01 [ 430.057830] ? find_held_lock+0x36/0x1c0 [ 430.061897] ? mark_held_locks+0x130/0x130 [ 430.066475] ? mark_held_locks+0x130/0x130 [ 430.070703] ? zap_class+0x640/0x640 [ 430.074506] ? mark_held_locks+0xc7/0x130 [ 430.078656] ? do_raw_spin_unlock+0xa7/0x330 [ 430.083063] ? zap_class+0x640/0x640 [ 430.086775] ? print_usage_bug+0xc0/0xc0 [ 430.090835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.096454] ? check_preemption_disabled+0x48/0x280 [ 430.101473] ? __lock_is_held+0xb5/0x140 [ 430.105532] __alloc_pages_nodemask+0xa80/0xde0 [ 430.110203] ? zap_class+0x640/0x640 [ 430.113918] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 430.118938] ? find_held_lock+0x36/0x1c0 [ 430.123001] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.127665] ? lock_downgrade+0x900/0x900 [ 430.131821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.137357] cache_grow_begin+0xa5/0x8c0 [ 430.141418] ? do_raw_spin_unlock+0xa7/0x330 [ 430.145830] fallback_alloc+0x204/0x2e0 [ 430.149809] ____cache_alloc_node+0x1c7/0x1e0 [ 430.154310] kmem_cache_alloc_node+0xe3/0x730 [ 430.158799] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.163044] __alloc_skb+0x119/0x770 [ 430.167028] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.172317] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.176721] ? lock_downgrade+0x900/0x900 [ 430.180886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.186420] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.191873] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.197322] ? addrconf_rs_timer+0x690/0x690 [ 430.201740] ndisc_alloc_skb+0x144/0x340 [ 430.205798] ndisc_send_rs+0x331/0x6e0 [ 430.209686] addrconf_rs_timer+0x314/0x690 [ 430.213921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.218162] call_timer_fn+0x272/0x920 [ 430.222058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.226293] ? process_timeout+0x40/0x40 [ 430.230482] ? __run_timers+0x7da/0xc70 [ 430.234452] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.238938] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.243523] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.247751] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.252327] ? trace_hardirqs_on+0xbd/0x310 [ 430.256647] ? kasan_check_read+0x11/0x20 [ 430.260787] ? __run_timers+0x7da/0xc70 [ 430.265107] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.270209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.274443] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.278670] __run_timers+0x7e5/0xc70 [ 430.282470] ? timer_fixup_init+0x70/0x70 [ 430.286612] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.291101] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.295591] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 430.300171] ? trace_hardirqs_on+0xbd/0x310 [ 430.304485] ? kasan_check_read+0x11/0x20 [ 430.308626] ? finish_task_switch+0x1f4/0x910 [ 430.313115] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.318209] ? compat_start_thread+0x80/0x80 [ 430.322630] ? pvclock_read_flags+0x160/0x160 [ 430.327130] ? __switch_to_asm+0x34/0x70 [ 430.331186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.336719] ? check_preemption_disabled+0x48/0x280 [ 430.341747] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 430.347287] ? rcu_pm_notify+0xc0/0xc0 [ 430.351170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.356712] ? check_preemption_disabled+0x48/0x280 [ 430.361725] run_timer_softirq+0x52/0xb0 [ 430.366054] ? rcu_read_lock_sched_held+0x14f/0x180 [ 430.371067] __do_softirq+0x308/0xb7e [ 430.374867] ? trace_hardirqs_on_caller+0xc0/0x310 [ 430.379795] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 430.384892] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.390342] ? schedule+0x108/0x460 [ 430.393988] ? trace_hardirqs_off+0xb8/0x310 [ 430.398412] ? smpboot_thread_fn+0x68b/0xa00 [ 430.402816] ? trace_hardirqs_on+0x310/0x310 [ 430.407223] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.412758] ? check_preemption_disabled+0x48/0x280 [ 430.417769] ? takeover_tasklets+0xa90/0xa90 [ 430.422187] run_ksoftirqd+0x5e/0x100 [ 430.425981] smpboot_thread_fn+0x68b/0xa00 [ 430.430221] ? sort_range+0x30/0x30 [ 430.433843] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 430.438938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.444477] ? __kthread_parkme+0xfb/0x1a0 [ 430.448720] ? sort_range+0x30/0x30 [ 430.452344] kthread+0x35a/0x440 [ 430.455708] ? kthread_stop+0x900/0x900 [ 430.460032] ret_from_fork+0x3a/0x50 [ 430.463758] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 430.463760] Mem-Info: [ 430.463794] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 430.463794] active_file:10 inactive_file:14 isolated_file:0 [ 430.463794] unevictable:0 dirty:0 writeback:0 unstable:0 [ 430.463794] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 430.463794] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 430.463794] free:13688 free_pcp:208 free_cma:0 [ 430.471300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.471307] Call Trace: [ 430.473752] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 430.506778] dump_stack+0x244/0x39d [ 430.516103] 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 [ 430.518680] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.546325] lowmem_reserve[]: 0 2818 6321 6321 [ 430.549953] warn_alloc.cold.116+0xb7/0x1bd [ 430.576464] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 430.581651] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.586202] lowmem_reserve[]: 0 0 3503 3503 [ 430.590516] ? lock_downgrade+0x900/0x900 [ 430.617809] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 430.622664] ? trace_hardirqs_off+0xb8/0x310 [ 430.626952] lowmem_reserve[]: 0 0 0 0 [ 430.631094] ? trace_hardirqs_off+0xb8/0x310 [ 430.660032] 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 [ 430.665033] __alloc_pages_slowpath+0x26e8/0x2e10 [ 430.668802] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 430.673227] ? warn_alloc+0x120/0x120 [ 430.686710] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 430.691544] ? print_usage_bug+0xc0/0xc0 [ 430.707214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 430.711011] ? warn_alloc+0x120/0x120 [ 430.725899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 430.729958] ? warn_alloc+0x120/0x120 [ 430.738767] 1671 total pagecache pages [ 430.742554] ? print_usage_bug+0xc0/0xc0 [ 430.751106] 0 pages in swap cache [ 430.754893] ? print_usage_bug+0xc0/0xc0 [ 430.758754] Swap cache stats: add 0, delete 0, find 0/0 [ 430.762797] ? __lock_acquire+0x62f/0x4c20 [ 430.766526] Free swap = 0kB [ 430.770755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.776086] Total swap = 0kB [ 430.780314] ? should_fail+0x22d/0xd01 [ 430.783304] 1965979 pages RAM [ 430.788830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.791822] 0 pages HighMem/MovableOnly [ 430.795697] ? __lock_acquire+0x62f/0x4c20 [ 430.798772] 342853 pages reserved [ 430.803863] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.807897] 0 pages cma reserved [ 430.812118] ? __lock_acquire+0x62f/0x4c20 [ 430.815602] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 430.820636] ? should_fail+0x22d/0xd01 [ 430.820651] ? find_held_lock+0x36/0x1c0 [ 430.824047] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.828230] ? mark_held_locks+0x130/0x130 [ 430.834707] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 430.838604] ? mark_held_locks+0x130/0x130 [ 430.867032] ? zap_class+0x640/0x640 [ 430.870750] ? zap_class+0x640/0x640 [ 430.874462] ? print_usage_bug+0xc0/0xc0 [ 430.878520] ? do_raw_spin_unlock+0xa7/0x330 [ 430.882927] ? zap_class+0x640/0x640 [ 430.886635] ? print_usage_bug+0xc0/0xc0 [ 430.890780] ? wq_watchdog_touch+0x9c/0xfe [ 430.895016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.900809] ? check_preemption_disabled+0x48/0x280 [ 430.905833] ? __lock_is_held+0xb5/0x140 [ 430.909902] __alloc_pages_nodemask+0xa80/0xde0 [ 430.914573] ? zap_class+0x640/0x640 [ 430.918307] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 430.923329] ? find_held_lock+0x36/0x1c0 [ 430.927394] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.932061] ? lock_downgrade+0x900/0x900 [ 430.936210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.941754] cache_grow_begin+0xa5/0x8c0 [ 430.945811] ? do_raw_spin_unlock+0xa7/0x330 [ 430.950222] fallback_alloc+0x204/0x2e0 [ 430.954201] ____cache_alloc_node+0x1c7/0x1e0 [ 430.958696] kmem_cache_alloc_node+0xe3/0x730 [ 430.963196] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.967985] __alloc_skb+0x119/0x770 [ 430.971697] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.976985] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.981400] ? lock_downgrade+0x900/0x900 [ 430.985550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.991082] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.996532] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.001994] ? addrconf_rs_timer+0x690/0x690 [ 431.006412] ndisc_alloc_skb+0x144/0x340 [ 431.010988] ndisc_send_rs+0x331/0x6e0 [ 431.014881] addrconf_rs_timer+0x314/0x690 [ 431.019116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.023355] call_timer_fn+0x272/0x920 [ 431.027237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.031466] ? process_timeout+0x40/0x40 [ 431.035552] ? __run_timers+0x7da/0xc70 [ 431.039523] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.044011] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.048499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.053336] ? lockdep_hardirqs_on+0x296/0x5b0 [ 431.057917] ? trace_hardirqs_on+0xbd/0x310 [ 431.062244] ? kasan_check_read+0x11/0x20 [ 431.067086] ? __run_timers+0x7da/0xc70 [ 431.071057] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.076160] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.080394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.084622] __run_timers+0x7e5/0xc70 [ 431.088430] ? timer_fixup_init+0x70/0x70 [ 431.092572] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.097123] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.101628] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 431.106209] ? trace_hardirqs_on+0xbd/0x310 [ 431.110524] ? kasan_check_read+0x11/0x20 [ 431.114670] ? finish_task_switch+0x1f4/0x910 [ 431.119161] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.124259] ? compat_start_thread+0x80/0x80 [ 431.128685] ? pvclock_read_flags+0x160/0x160 [ 431.133176] ? __switch_to_asm+0x34/0x70 [ 431.137234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.142771] ? check_preemption_disabled+0x48/0x280 [ 431.147793] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 431.153327] ? rcu_pm_notify+0xc0/0xc0 [ 431.157209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.162744] ? check_preemption_disabled+0x48/0x280 [ 431.168472] run_timer_softirq+0x52/0xb0 [ 431.172531] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.177542] __do_softirq+0x308/0xb7e [ 431.181343] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.186795] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 431.191890] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.197345] ? schedule+0x108/0x460 [ 431.200972] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 431.205737] ? trace_hardirqs_off+0xb8/0x310 [ 431.210143] ? smpboot_thread_fn+0x68b/0xa00 [ 431.214545] ? trace_hardirqs_on+0x310/0x310 [ 431.218961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.224498] ? check_preemption_disabled+0x48/0x280 [ 431.229532] ? takeover_tasklets+0xa90/0xa90 [ 431.233937] run_ksoftirqd+0x5e/0x100 [ 431.237748] smpboot_thread_fn+0x68b/0xa00 [ 431.241985] ? sort_range+0x30/0x30 [ 431.245607] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.250712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.256244] ? __kthread_parkme+0xfb/0x1a0 [ 431.260475] ? sort_range+0x30/0x30 [ 431.264114] kthread+0x35a/0x440 [ 431.268042] ? kthread_stop+0x900/0x900 [ 431.272015] ret_from_fork+0x3a/0x50 [ 431.275739] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 431.275796] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 431.282487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.282494] Call Trace: [ 431.289040] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.298322] dump_stack+0x244/0x39d [ 431.300882] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 431.311185] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.324619] warn_alloc.cold.116+0xb7/0x1bd [ 431.328946] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.333807] ? lock_downgrade+0x900/0x900 [ 431.337962] ? trace_hardirqs_off+0xb8/0x310 [ 431.342369] ? trace_hardirqs_off+0xb8/0x310 [ 431.346779] __alloc_pages_slowpath+0x26e8/0x2e10 [ 431.351652] ? warn_alloc+0x120/0x120 [ 431.355451] ? print_usage_bug+0xc0/0xc0 [ 431.359510] ? warn_alloc+0x120/0x120 [ 431.363309] ? warn_alloc+0x120/0x120 [ 431.367410] ? print_usage_bug+0xc0/0xc0 [ 431.371470] ? print_usage_bug+0xc0/0xc0 [ 431.375529] ? __lock_acquire+0x62f/0x4c20 [ 431.379767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.385302] ? should_fail+0x22d/0xd01 [ 431.389199] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.394299] ? __lock_acquire+0x62f/0x4c20 [ 431.398537] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.403632] ? __lock_acquire+0x62f/0x4c20 [ 431.407862] ? should_fail+0x22d/0xd01 [ 431.411743] ? find_held_lock+0x36/0x1c0 [ 431.415829] ? mark_held_locks+0x130/0x130 [ 431.420061] ? mark_held_locks+0x130/0x130 [ 431.424298] ? zap_class+0x640/0x640 [ 431.428006] ? zap_class+0x640/0x640 [ 431.431730] ? print_usage_bug+0xc0/0xc0 [ 431.435784] ? do_raw_spin_unlock+0xa7/0x330 [ 431.440195] ? zap_class+0x640/0x640 [ 431.443901] ? print_usage_bug+0xc0/0xc0 [ 431.447964] ? wq_watchdog_touch+0x9c/0xfe [ 431.452212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.457743] ? check_preemption_disabled+0x48/0x280 [ 431.462761] ? __lock_is_held+0xb5/0x140 [ 431.467263] __alloc_pages_nodemask+0xa80/0xde0 [ 431.471933] ? zap_class+0x640/0x640 [ 431.475645] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 431.480666] ? find_held_lock+0x36/0x1c0 [ 431.484731] ? ____cache_alloc_node+0x1c7/0x1e0 [ 431.489400] ? lock_downgrade+0x900/0x900 [ 431.493548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.499090] cache_grow_begin+0xa5/0x8c0 [ 431.503145] ? do_raw_spin_unlock+0xa7/0x330 [ 431.507563] fallback_alloc+0x204/0x2e0 [ 431.511542] ____cache_alloc_node+0x1c7/0x1e0 [ 431.516069] kmem_cache_alloc_node+0xe3/0x730 [ 431.520566] ? ipv6_get_ifaddr+0x42e/0x620 [ 431.524817] __alloc_skb+0x119/0x770 [ 431.528522] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.533796] ? netdev_alloc_frag+0x1f0/0x1f0 [ 431.538200] ? lock_downgrade+0x900/0x900 [ 431.542347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.547882] ? refcount_sub_and_test_checked+0x203/0x310 [ 431.553343] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.558789] ? addrconf_rs_timer+0x690/0x690 [ 431.563207] ndisc_alloc_skb+0x144/0x340 [ 431.567602] ndisc_send_rs+0x331/0x6e0 [ 431.571504] addrconf_rs_timer+0x314/0x690 [ 431.575738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.579976] call_timer_fn+0x272/0x920 [ 431.583862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.588095] ? process_timeout+0x40/0x40 [ 431.592160] ? __run_timers+0x7da/0xc70 [ 431.596400] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.600903] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.605398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.609631] ? lockdep_hardirqs_on+0x296/0x5b0 [ 431.614210] ? trace_hardirqs_on+0xbd/0x310 [ 431.618528] ? kasan_check_read+0x11/0x20 [ 431.622667] ? __run_timers+0x7da/0xc70 [ 431.626639] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.631741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.635985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.640212] __run_timers+0x7e5/0xc70 [ 431.644017] ? timer_fixup_init+0x70/0x70 [ 431.648158] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.652654] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.657145] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 431.661730] ? trace_hardirqs_on+0xbd/0x310 [ 431.666370] ? kasan_check_read+0x11/0x20 [ 431.670519] ? finish_task_switch+0x1f4/0x910 [ 431.675014] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.680111] ? compat_start_thread+0x80/0x80 [ 431.684547] ? pvclock_read_flags+0x160/0x160 [ 431.689039] ? __switch_to_asm+0x34/0x70 [ 431.693097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.698632] ? check_preemption_disabled+0x48/0x280 [ 431.703654] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 431.709191] ? rcu_pm_notify+0xc0/0xc0 [ 431.713089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.718626] ? check_preemption_disabled+0x48/0x280 [ 431.723642] run_timer_softirq+0x52/0xb0 [ 431.727702] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.732720] __do_softirq+0x308/0xb7e [ 431.736522] ? trace_hardirqs_on_caller+0xc0/0x310 [ 431.741448] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 431.746549] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.752012] ? schedule+0x108/0x460 [ 431.755645] ? trace_hardirqs_off+0xb8/0x310 [ 431.760061] ? smpboot_thread_fn+0x68b/0xa00 [ 431.764691] ? trace_hardirqs_on+0x310/0x310 [ 431.769090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.774631] ? check_preemption_disabled+0x48/0x280 [ 431.779644] ? takeover_tasklets+0xa90/0xa90 [ 431.784048] run_ksoftirqd+0x5e/0x100 [ 431.787845] smpboot_thread_fn+0x68b/0xa00 [ 431.792079] ? sort_range+0x30/0x30 [ 431.795704] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.800801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.806333] ? __kthread_parkme+0xfb/0x1a0 [ 431.810563] ? sort_range+0x30/0x30 [ 431.814183] kthread+0x35a/0x440 [ 431.817561] ? kthread_stop+0x900/0x900 [ 431.821534] ret_from_fork+0x3a/0x50 [ 431.825262] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 431.825267] warn_alloc_show_mem: 1 callbacks suppressed [ 431.825273] Mem-Info: [ 431.832099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.837462] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 431.837462] active_file:10 inactive_file:14 isolated_file:0 [ 431.837462] unevictable:0 dirty:0 writeback:0 unstable:0 [ 431.837462] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 431.837462] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 431.837462] free:13688 free_pcp:208 free_cma:0 [ 431.839833] Call Trace: [ 431.849208] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 431.883009] dump_stack+0x244/0x39d [ 431.885571] 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 [ 431.913238] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.916835] lowmem_reserve[]: 0 2818 6321 6321 [ 431.942943] warn_alloc.cold.116+0xb7/0x1bd [ 431.948099] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 431.952672] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.956967] lowmem_reserve[]: 0 0 3503 3503 [ 431.984982] ? lock_downgrade+0x900/0x900 [ 431.989795] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 431.994111] ? trace_hardirqs_off+0xb8/0x310 [ 431.998226] lowmem_reserve[]: 0 0 0 0 [ 432.027203] ? trace_hardirqs_off+0xb8/0x310 [ 432.031582] 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 [ 432.035562] __alloc_pages_slowpath+0x26e8/0x2e10 [ 432.039940] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 432.053476] ? warn_alloc+0x120/0x120 [ 432.058265] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 432.074456] ? print_usage_bug+0xc0/0xc0 [ 432.078249] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 432.093154] ? warn_alloc+0x120/0x120 [ 432.097641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 432.106459] ? warn_alloc+0x120/0x120 [ 432.110229] 1671 total pagecache pages [ 432.118790] ? print_usage_bug+0xc0/0xc0 [ 432.122568] 0 pages in swap cache [ 432.126453] ? print_usage_bug+0xc0/0xc0 [ 432.130499] Swap cache stats: add 0, delete 0, find 0/0 [ 432.133942] ? __lock_acquire+0x62f/0x4c20 [ 432.137985] Free swap = 0kB [ 432.143336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.147551] Total swap = 0kB [ 432.150556] ? should_fail+0x22d/0xd01 [ 432.156064] 1965979 pages RAM [ 432.159069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.162927] 0 pages HighMem/MovableOnly [ 432.166554] ? __lock_acquire+0x62f/0x4c20 [ 432.171639] 342853 pages reserved [ 432.175609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.179813] 0 pages cma reserved [ 432.183251] ? __lock_acquire+0x62f/0x4c20 [ 432.188383] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.191671] ? should_fail+0x22d/0xd01 [ 432.191686] ? find_held_lock+0x36/0x1c0 [ 432.195968] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.202379] ? mark_held_locks+0x130/0x130 [ 432.206233] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 432.210282] ? mark_held_locks+0x130/0x130 [ 432.233763] ? zap_class+0x640/0x640 [ 432.237476] ? mark_held_locks+0xc7/0x130 [ 432.241620] ? do_raw_spin_unlock+0xa7/0x330 [ 432.246035] ? zap_class+0x640/0x640 [ 432.249740] ? print_usage_bug+0xc0/0xc0 [ 432.253800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.259335] ? check_preemption_disabled+0x48/0x280 [ 432.264892] ? __lock_is_held+0xb5/0x140 [ 432.268954] __alloc_pages_nodemask+0xa80/0xde0 [ 432.273622] ? zap_class+0x640/0x640 [ 432.277339] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 432.282361] ? find_held_lock+0x36/0x1c0 [ 432.286427] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.291178] ? lock_downgrade+0x900/0x900 [ 432.295328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.300869] cache_grow_begin+0xa5/0x8c0 [ 432.304927] ? do_raw_spin_unlock+0xa7/0x330 [ 432.309337] fallback_alloc+0x204/0x2e0 [ 432.313315] ____cache_alloc_node+0x1c7/0x1e0 [ 432.317816] kmem_cache_alloc_node+0xe3/0x730 [ 432.322313] ? ipv6_get_ifaddr+0x42e/0x620 [ 432.326552] __alloc_skb+0x119/0x770 [ 432.330273] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.335638] ? netdev_alloc_frag+0x1f0/0x1f0 [ 432.340068] ? lock_downgrade+0x900/0x900 [ 432.344221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.349752] ? refcount_sub_and_test_checked+0x203/0x310 [ 432.355199] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 432.360644] ? addrconf_rs_timer+0x690/0x690 [ 432.365766] ndisc_alloc_skb+0x144/0x340 [ 432.369824] ndisc_send_rs+0x331/0x6e0 [ 432.373718] addrconf_rs_timer+0x314/0x690 [ 432.377954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.382197] call_timer_fn+0x272/0x920 [ 432.386098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.390329] ? process_timeout+0x40/0x40 [ 432.394827] ? __run_timers+0x7da/0xc70 [ 432.398854] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.403343] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.407830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.412070] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.416650] ? trace_hardirqs_on+0xbd/0x310 [ 432.420967] ? kasan_check_read+0x11/0x20 [ 432.425109] ? __run_timers+0x7da/0xc70 [ 432.429079] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.434182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.438415] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.442643] __run_timers+0x7e5/0xc70 [ 432.446449] ? timer_fixup_init+0x70/0x70 [ 432.450596] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.455084] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.459575] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 432.464159] ? trace_hardirqs_on+0xbd/0x310 [ 432.469044] ? kasan_check_read+0x11/0x20 [ 432.473192] ? finish_task_switch+0x1f4/0x910 [ 432.477686] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.482784] ? compat_start_thread+0x80/0x80 [ 432.487208] ? pvclock_read_flags+0x160/0x160 [ 432.491698] ? __switch_to_asm+0x34/0x70 [ 432.495760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.501988] ? check_preemption_disabled+0x48/0x280 [ 432.507009] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 432.512543] ? rcu_pm_notify+0xc0/0xc0 [ 432.516427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.521962] ? check_preemption_disabled+0x48/0x280 [ 432.526980] run_timer_softirq+0x52/0xb0 [ 432.531051] ? rcu_read_lock_sched_held+0x14f/0x180 [ 432.536079] __do_softirq+0x308/0xb7e [ 432.539881] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.545334] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 432.550431] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.555883] ? schedule+0x108/0x460 [ 432.559510] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.564864] ? trace_hardirqs_off+0xb8/0x310 [ 432.569267] ? smpboot_thread_fn+0x68b/0xa00 [ 432.573671] ? trace_hardirqs_on+0x310/0x310 [ 432.578079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.583614] ? check_preemption_disabled+0x48/0x280 [ 432.588627] ? takeover_tasklets+0xa90/0xa90 [ 432.593032] run_ksoftirqd+0x5e/0x100 [ 432.596836] smpboot_thread_fn+0x68b/0xa00 [ 432.601155] ? sort_range+0x30/0x30 [ 432.604778] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.609876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.615412] ? __kthread_parkme+0xfb/0x1a0 [ 432.619643] ? sort_range+0x30/0x30 [ 432.623267] kthread+0x35a/0x440 [ 432.626630] ? kthread_stop+0x900/0x900 [ 432.630605] ret_from_fork+0x3a/0x50 [ 432.634329] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 432.634393] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.641088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.641093] Call Trace: [ 432.641111] dump_stack+0x244/0x39d [ 432.641129] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.647726] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.656962] warn_alloc.cold.116+0xb7/0x1bd [ 432.659524] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 432.663140] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.693132] ? lock_downgrade+0x900/0x900 [ 432.697281] ? trace_hardirqs_off+0xb8/0x310 [ 432.701711] ? trace_hardirqs_off+0xb8/0x310 [ 432.706124] __alloc_pages_slowpath+0x26e8/0x2e10 [ 432.710987] ? warn_alloc+0x120/0x120 [ 432.714784] ? print_usage_bug+0xc0/0xc0 [ 432.718845] ? warn_alloc+0x120/0x120 [ 432.722825] ? warn_alloc+0x120/0x120 [ 432.726624] ? print_usage_bug+0xc0/0xc0 [ 432.730685] ? print_usage_bug+0xc0/0xc0 [ 432.734744] ? __lock_acquire+0x62f/0x4c20 [ 432.738981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.744516] ? should_fail+0x22d/0xd01 [ 432.748402] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.753501] ? __lock_acquire+0x62f/0x4c20 [ 432.757735] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.762840] ? __lock_acquire+0x62f/0x4c20 [ 432.767407] ? should_fail+0x22d/0xd01 [ 432.771292] ? find_held_lock+0x36/0x1c0 [ 432.775360] ? mark_held_locks+0x130/0x130 [ 432.779594] ? mark_held_locks+0x130/0x130 [ 432.783835] ? zap_class+0x640/0x640 [ 432.787546] ? mark_held_locks+0xc7/0x130 [ 432.791686] ? do_raw_spin_unlock+0xa7/0x330 [ 432.796091] ? zap_class+0x640/0x640 [ 432.799806] ? print_usage_bug+0xc0/0xc0 [ 432.803864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.809412] ? check_preemption_disabled+0x48/0x280 [ 432.814446] ? __lock_is_held+0xb5/0x140 [ 432.818506] __alloc_pages_nodemask+0xa80/0xde0 [ 432.823171] ? zap_class+0x640/0x640 [ 432.826884] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 432.831908] ? find_held_lock+0x36/0x1c0 [ 432.835972] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.840637] ? lock_downgrade+0x900/0x900 [ 432.845052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.850599] cache_grow_begin+0xa5/0x8c0 [ 432.854655] ? do_raw_spin_unlock+0xa7/0x330 [ 432.859070] fallback_alloc+0x204/0x2e0 [ 432.863056] ____cache_alloc_node+0x1c7/0x1e0 [ 432.867834] kmem_cache_alloc_node+0xe3/0x730 [ 432.872329] ? ipv6_get_ifaddr+0x42e/0x620 [ 432.876568] __alloc_skb+0x119/0x770 [ 432.880277] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.885551] ? netdev_alloc_frag+0x1f0/0x1f0 [ 432.889958] ? lock_downgrade+0x900/0x900 [ 432.894110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.899644] ? refcount_sub_and_test_checked+0x203/0x310 [ 432.905093] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 432.910537] ? addrconf_rs_timer+0x690/0x690 [ 432.914957] ndisc_alloc_skb+0x144/0x340 [ 432.919020] ndisc_send_rs+0x331/0x6e0 [ 432.922916] addrconf_rs_timer+0x314/0x690 [ 432.927167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.931404] call_timer_fn+0x272/0x920 [ 432.935286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.939519] ? process_timeout+0x40/0x40 [ 432.943581] ? __run_timers+0x7da/0xc70 [ 432.947638] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.952129] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.956626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.960900] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.965856] ? trace_hardirqs_on+0xbd/0x310 [ 432.970169] ? kasan_check_read+0x11/0x20 [ 432.974308] ? __run_timers+0x7da/0xc70 [ 432.978278] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.983387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 432.987618] __run_timers+0x7e5/0xc70 [ 432.991422] ? timer_fixup_init+0x70/0x70 [ 432.995567] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.000061] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.004551] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 433.009132] ? trace_hardirqs_on+0xbd/0x310 [ 433.013712] ? kasan_check_read+0x11/0x20 [ 433.017864] ? finish_task_switch+0x1f4/0x910 [ 433.022361] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.027458] ? compat_start_thread+0x80/0x80 [ 433.031882] ? pvclock_read_flags+0x160/0x160 [ 433.036370] ? __switch_to_asm+0x34/0x70 [ 433.040427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.045965] ? check_preemption_disabled+0x48/0x280 [ 433.050988] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 433.056523] ? rcu_pm_notify+0xc0/0xc0 [ 433.060410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.066253] ? check_preemption_disabled+0x48/0x280 [ 433.071267] run_timer_softirq+0x52/0xb0 [ 433.075325] ? rcu_read_lock_sched_held+0x14f/0x180 [ 433.080337] __do_softirq+0x308/0xb7e [ 433.084140] ? trace_hardirqs_on_caller+0xc0/0x310 [ 433.089067] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 433.094164] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.099616] ? schedule+0x108/0x460 [ 433.103248] ? trace_hardirqs_off+0xb8/0x310 [ 433.107650] ? smpboot_thread_fn+0x68b/0xa00 [ 433.112055] ? trace_hardirqs_on+0x310/0x310 [ 433.116458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.121989] ? check_preemption_disabled+0x48/0x280 [ 433.126998] ? takeover_tasklets+0xa90/0xa90 [ 433.131401] run_ksoftirqd+0x5e/0x100 [ 433.135194] smpboot_thread_fn+0x68b/0xa00 [ 433.139426] ? sort_range+0x30/0x30 [ 433.143051] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.148147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.153677] ? __kthread_parkme+0xfb/0x1a0 [ 433.157911] ? sort_range+0x30/0x30 [ 433.161535] kthread+0x35a/0x440 [ 433.165196] ? kthread_stop+0x900/0x900 [ 433.169181] ret_from_fork+0x3a/0x50 [ 433.172911] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 433.172916] warn_alloc_show_mem: 1 callbacks suppressed [ 433.172922] Mem-Info: [ 433.179750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.185116] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 433.185116] active_file:10 inactive_file:14 isolated_file:0 [ 433.185116] unevictable:0 dirty:0 writeback:0 unstable:0 [ 433.185116] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 433.185116] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 433.185116] free:13688 free_pcp:208 free_cma:0 [ 433.187490] Call Trace: [ 433.196865] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 433.229899] dump_stack+0x244/0x39d [ 433.232543] 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 [ 433.260206] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.263803] lowmem_reserve[]: 0 2818 6321 6321 [ 433.290691] warn_alloc.cold.116+0xb7/0x1bd [ 433.295844] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 433.300418] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.304707] lowmem_reserve[]: 0 0 3503 3503 [ 433.332025] ? lock_downgrade+0x900/0x900 [ 433.332047] ? trace_hardirqs_off+0xb8/0x310 [ 433.336857] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 433.341173] ? trace_hardirqs_off+0xb8/0x310 [ 433.345291] lowmem_reserve[]: 0 0 0 0 [ 433.349695] __alloc_pages_slowpath+0x26e8/0x2e10 [ 433.378972] 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 [ 433.383397] ? warn_alloc+0x120/0x120 [ 433.387146] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 433.391980] ? warn_alloc+0x120/0x120 [ 433.405474] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 433.409282] ? warn_alloc+0x120/0x120 [ 433.424952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 433.428737] ? print_usage_bug+0xc0/0xc0 [ 433.443627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 433.447411] ? check_preemption_disabled+0x48/0x280 [ 433.456217] 1671 total pagecache pages [ 433.461320] ? print_usage_bug+0xc0/0xc0 [ 433.470214] 0 pages in swap cache [ 433.475212] ? kasan_check_read+0x11/0x20 [ 433.479076] Swap cache stats: add 0, delete 0, find 0/0 [ 433.483123] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.486547] Free swap = 0kB [ 433.490679] ? rcu_softirq_qs+0x20/0x20 [ 433.496015] Total swap = 0kB [ 433.496023] 1965979 pages RAM [ 433.501287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.504275] 0 pages HighMem/MovableOnly [ 433.508234] ? should_fail+0x22d/0xd01 [ 433.511223] 342853 pages reserved [ 433.514316] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.519823] 0 pages cma reserved [ 433.519890] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 433.523793] ? __lock_acquire+0x62f/0x4c20 [ 433.527742] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.531096] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.536172] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 433.539519] ? __lock_acquire+0x62f/0x4c20 [ 433.539534] ? should_fail+0x22d/0xd01 [ 433.579086] ? mark_held_locks+0x130/0x130 [ 433.583335] ? mark_held_locks+0x130/0x130 [ 433.587570] ? zap_class+0x640/0x640 [ 433.591283] ? print_usage_bug+0xc0/0xc0 [ 433.595341] ? mark_held_locks+0x130/0x130 [ 433.599580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.605113] ? check_preemption_disabled+0x48/0x280 [ 433.610135] ? __lock_is_held+0xb5/0x140 [ 433.614196] __alloc_pages_nodemask+0xa80/0xde0 [ 433.618873] ? zap_class+0x640/0x640 [ 433.622589] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 433.627608] ? find_held_lock+0x36/0x1c0 [ 433.631674] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.636341] ? lock_downgrade+0x900/0x900 [ 433.640494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.646033] cache_grow_begin+0xa5/0x8c0 [ 433.650176] ? do_raw_spin_unlock+0xa7/0x330 [ 433.654587] fallback_alloc+0x204/0x2e0 [ 433.658565] ____cache_alloc_node+0x1c7/0x1e0 [ 433.663059] kmem_cache_alloc_node+0xe3/0x730 [ 433.668078] ? ipv6_get_ifaddr+0x42e/0x620 [ 433.672403] __alloc_skb+0x119/0x770 [ 433.676112] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.681393] ? netdev_alloc_frag+0x1f0/0x1f0 [ 433.685799] ? lock_downgrade+0x900/0x900 [ 433.689953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.695488] ? refcount_sub_and_test_checked+0x203/0x310 [ 433.700940] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 433.706482] ? addrconf_rs_timer+0x690/0x690 [ 433.710893] ndisc_alloc_skb+0x144/0x340 [ 433.714952] ndisc_send_rs+0x331/0x6e0 [ 433.718839] addrconf_rs_timer+0x314/0x690 [ 433.723075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.727325] call_timer_fn+0x272/0x920 [ 433.731223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.735451] ? process_timeout+0x40/0x40 [ 433.739521] ? __run_timers+0x7da/0xc70 [ 433.743498] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.747987] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.752483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.756710] ? lockdep_hardirqs_on+0x296/0x5b0 [ 433.761297] ? trace_hardirqs_on+0xbd/0x310 [ 433.766149] ? kasan_check_read+0x11/0x20 [ 433.770289] ? __run_timers+0x7da/0xc70 [ 433.774350] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.779518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.783844] __run_timers+0x7e5/0xc70 [ 433.787648] ? timer_fixup_init+0x70/0x70 [ 433.791794] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.796285] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.800779] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 433.805359] ? trace_hardirqs_on+0xbd/0x310 [ 433.809671] ? kasan_check_read+0x11/0x20 [ 433.813815] ? finish_task_switch+0x1f4/0x910 [ 433.818308] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.823406] ? compat_start_thread+0x80/0x80 [ 433.827884] ? pvclock_read_flags+0x160/0x160 [ 433.832371] ? __switch_to_asm+0x34/0x70 [ 433.836431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.841965] ? check_preemption_disabled+0x48/0x280 [ 433.846993] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 433.852600] ? rcu_pm_notify+0xc0/0xc0 [ 433.856502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.862029] ? check_preemption_disabled+0x48/0x280 [ 433.867541] run_timer_softirq+0x52/0xb0 [ 433.871598] ? rcu_read_lock_sched_held+0x14f/0x180 [ 433.876622] __do_softirq+0x308/0xb7e [ 433.880424] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.886046] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 433.891141] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.896594] ? schedule+0x108/0x460 [ 433.900215] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 433.904989] ? trace_hardirqs_off+0xb8/0x310 [ 433.909395] ? smpboot_thread_fn+0x68b/0xa00 [ 433.913797] ? trace_hardirqs_on+0x310/0x310 [ 433.918199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.923737] ? check_preemption_disabled+0x48/0x280 [ 433.928945] ? takeover_tasklets+0xa90/0xa90 [ 433.933348] run_ksoftirqd+0x5e/0x100 [ 433.937158] smpboot_thread_fn+0x68b/0xa00 [ 433.941401] ? sort_range+0x30/0x30 [ 433.945024] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.950123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.955656] ? __kthread_parkme+0xfb/0x1a0 [ 433.959934] ? sort_range+0x30/0x30 [ 433.963559] kthread+0x35a/0x440 [ 433.967439] ? kthread_stop+0x900/0x900 [ 433.971416] ret_from_fork+0x3a/0x50 [ 433.975143] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 433.975205] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 433.982561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.982566] Call Trace: [ 433.982583] dump_stack+0x244/0x39d [ 433.982601] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.989140] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.998424] warn_alloc.cold.116+0xb7/0x1bd [ 434.000973] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 434.004586] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.034473] ? lock_downgrade+0x900/0x900 [ 434.038623] ? trace_hardirqs_off+0xb8/0x310 [ 434.043034] ? trace_hardirqs_off+0xb8/0x310 [ 434.047443] __alloc_pages_slowpath+0x26e8/0x2e10 [ 434.052302] ? warn_alloc+0x120/0x120 [ 434.056097] ? print_usage_bug+0xc0/0xc0 [ 434.060153] ? warn_alloc+0x120/0x120 [ 434.064043] ? warn_alloc+0x120/0x120 [ 434.068164] ? print_usage_bug+0xc0/0xc0 [ 434.072224] ? print_usage_bug+0xc0/0xc0 [ 434.076280] ? __lock_acquire+0x62f/0x4c20 [ 434.080517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.086050] ? should_fail+0x22d/0xd01 [ 434.089936] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.095040] ? __lock_acquire+0x62f/0x4c20 [ 434.099272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.104370] ? __lock_acquire+0x62f/0x4c20 [ 434.108610] ? should_fail+0x22d/0xd01 [ 434.112503] ? mark_held_locks+0x130/0x130 [ 434.116735] ? mark_held_locks+0x130/0x130 [ 434.120963] ? zap_class+0x640/0x640 [ 434.124676] ? zap_class+0x640/0x640 [ 434.128392] ? print_usage_bug+0xc0/0xc0 [ 434.132446] ? mark_held_locks+0x130/0x130 [ 434.136678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.142219] ? check_preemption_disabled+0x48/0x280 [ 434.147252] ? __lock_is_held+0xb5/0x140 [ 434.151314] __alloc_pages_nodemask+0xa80/0xde0 [ 434.155982] ? zap_class+0x640/0x640 [ 434.159703] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 434.165034] ? find_held_lock+0x36/0x1c0 [ 434.169098] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.173766] ? lock_downgrade+0x900/0x900 [ 434.177918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.183471] cache_grow_begin+0xa5/0x8c0 [ 434.187539] ? do_raw_spin_unlock+0xa7/0x330 [ 434.191956] fallback_alloc+0x204/0x2e0 [ 434.195931] ____cache_alloc_node+0x1c7/0x1e0 [ 434.200433] kmem_cache_alloc_node+0xe3/0x730 [ 434.204923] ? ipv6_get_ifaddr+0x42e/0x620 [ 434.209165] __alloc_skb+0x119/0x770 [ 434.212871] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.218144] ? netdev_alloc_frag+0x1f0/0x1f0 [ 434.222546] ? lock_downgrade+0x900/0x900 [ 434.226701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.232231] ? refcount_sub_and_test_checked+0x203/0x310 [ 434.237683] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 434.243139] ? addrconf_rs_timer+0x690/0x690 [ 434.247551] ndisc_alloc_skb+0x144/0x340 [ 434.251610] ndisc_send_rs+0x331/0x6e0 [ 434.255498] addrconf_rs_timer+0x314/0x690 [ 434.259733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.263983] call_timer_fn+0x272/0x920 [ 434.268230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.272461] ? process_timeout+0x40/0x40 [ 434.276524] ? __run_timers+0x7da/0xc70 [ 434.280512] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.285003] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.289487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.293714] ? lockdep_hardirqs_on+0x296/0x5b0 [ 434.298288] ? trace_hardirqs_on+0xbd/0x310 [ 434.302605] ? kasan_check_read+0x11/0x20 [ 434.306760] ? __run_timers+0x7da/0xc70 [ 434.310745] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.315855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.320100] __run_timers+0x7e5/0xc70 [ 434.323917] ? timer_fixup_init+0x70/0x70 [ 434.328065] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.332552] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.337040] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 434.342135] ? trace_hardirqs_on+0xbd/0x310 [ 434.346450] ? kasan_check_read+0x11/0x20 [ 434.350595] ? finish_task_switch+0x1f4/0x910 [ 434.355087] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.360185] ? compat_start_thread+0x80/0x80 [ 434.364935] ? pvclock_read_flags+0x160/0x160 [ 434.369423] ? __switch_to_asm+0x34/0x70 [ 434.373479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.379024] ? check_preemption_disabled+0x48/0x280 [ 434.384045] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 434.389576] ? rcu_pm_notify+0xc0/0xc0 [ 434.393490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.399022] ? check_preemption_disabled+0x48/0x280 [ 434.404039] run_timer_softirq+0x52/0xb0 [ 434.408098] ? rcu_read_lock_sched_held+0x14f/0x180 [ 434.413114] __do_softirq+0x308/0xb7e [ 434.416911] ? trace_hardirqs_on_caller+0xc0/0x310 [ 434.421842] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 434.426941] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.432393] ? schedule+0x108/0x460 [ 434.436024] ? trace_hardirqs_off+0xb8/0x310 [ 434.440457] ? smpboot_thread_fn+0x68b/0xa00 [ 434.444858] ? trace_hardirqs_on+0x310/0x310 [ 434.449263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.454813] ? check_preemption_disabled+0x48/0x280 [ 434.459824] ? takeover_tasklets+0xa90/0xa90 [ 434.464454] run_ksoftirqd+0x5e/0x100 [ 434.468260] smpboot_thread_fn+0x68b/0xa00 [ 434.472495] ? sort_range+0x30/0x30 [ 434.476118] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 434.481217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.486747] ? __kthread_parkme+0xfb/0x1a0 [ 434.490977] ? sort_range+0x30/0x30 [ 434.494601] kthread+0x35a/0x440 [ 434.497967] ? kthread_stop+0x900/0x900 [ 434.501943] ret_from_fork+0x3a/0x50 [ 434.505668] warn_alloc_show_mem: 1 callbacks suppressed [ 434.505676] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 434.505678] Mem-Info: [ 434.505707] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 434.505707] active_file:10 inactive_file:14 isolated_file:0 [ 434.505707] unevictable:0 dirty:0 writeback:0 unstable:0 [ 434.505707] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 434.505707] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 434.505707] free:13688 free_pcp:208 free_cma:0 [ 434.511031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.511037] Call Trace: [ 434.517875] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 434.520270] dump_stack+0x244/0x39d [ 434.553305] 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 [ 434.562662] ? dump_stack_print_info.cold.1+0x20/0x20 [ 434.565493] lowmem_reserve[]: 0 2818 6321 6321 [ 434.593288] warn_alloc.cold.116+0xb7/0x1bd [ 434.596878] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 434.622975] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.628135] lowmem_reserve[]: 0 0 3503 3503 [ 434.632722] ? lock_downgrade+0x900/0x900 [ 434.637016] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 434.665041] ? trace_hardirqs_off+0xb8/0x310 [ 434.669848] lowmem_reserve[]: 0 0 0 0 [ 434.674168] ? trace_hardirqs_off+0xb8/0x310 [ 434.678288] 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 [ 434.707256] __alloc_pages_slowpath+0x26e8/0x2e10 [ 434.711641] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 434.715454] ? warn_alloc+0x120/0x120 [ 434.719820] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 434.733355] ? print_usage_bug+0xc0/0xc0 [ 434.738175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 434.753850] ? warn_alloc+0x120/0x120 [ 434.757634] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 434.773277] ? warn_alloc+0x120/0x120 [ 434.777311] 1671 total pagecache pages [ 434.786137] ? print_usage_bug+0xc0/0xc0 [ 434.789917] 0 pages in swap cache [ 434.798488] ? print_usage_bug+0xc0/0xc0 [ 434.802265] Swap cache stats: add 0, delete 0, find 0/0 [ 434.806137] ? __lock_acquire+0x62f/0x4c20 [ 434.810170] Free swap = 0kB [ 434.813610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.817667] Total swap = 0kB [ 434.823032] ? should_fail+0x22d/0xd01 [ 434.827256] 1965979 pages RAM [ 434.830300] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.835820] 0 pages HighMem/MovableOnly [ 434.835827] 342853 pages reserved [ 434.838850] ? __lock_acquire+0x62f/0x4c20 [ 434.843196] 0 pages cma reserved [ 434.843265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 434.846319] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.846334] ? __lock_acquire+0x62f/0x4c20 [ 434.851453] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.855368] ? should_fail+0x22d/0xd01 [ 434.858795] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 434.863117] ? find_held_lock+0x36/0x1c0 [ 434.905425] ? mark_held_locks+0x130/0x130 [ 434.909660] ? mark_held_locks+0x130/0x130 [ 434.913888] ? zap_class+0x640/0x640 [ 434.917596] ? mark_held_locks+0xc7/0x130 [ 434.921742] ? do_raw_spin_unlock+0xa7/0x330 [ 434.926158] ? zap_class+0x640/0x640 [ 434.929880] ? print_usage_bug+0xc0/0xc0 [ 434.933941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.939479] ? check_preemption_disabled+0x48/0x280 [ 434.944498] ? __lock_is_held+0xb5/0x140 [ 434.948559] __alloc_pages_nodemask+0xa80/0xde0 [ 434.953223] ? zap_class+0x640/0x640 [ 434.956938] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 434.961961] ? find_held_lock+0x36/0x1c0 [ 434.966762] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.971428] ? lock_downgrade+0x900/0x900 [ 434.975580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.981136] cache_grow_begin+0xa5/0x8c0 [ 434.985196] ? do_raw_spin_unlock+0xa7/0x330 [ 434.989618] fallback_alloc+0x204/0x2e0 [ 434.993594] ____cache_alloc_node+0x1c7/0x1e0 [ 434.998094] kmem_cache_alloc_node+0xe3/0x730 [ 435.002585] ? ipv6_get_ifaddr+0x42e/0x620 [ 435.006829] __alloc_skb+0x119/0x770 [ 435.011040] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.016319] ? netdev_alloc_frag+0x1f0/0x1f0 [ 435.020725] ? lock_downgrade+0x900/0x900 [ 435.024874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.030408] ? refcount_sub_and_test_checked+0x203/0x310 [ 435.035858] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 435.041305] ? addrconf_rs_timer+0x690/0x690 [ 435.045725] ndisc_alloc_skb+0x144/0x340 [ 435.049784] ndisc_send_rs+0x331/0x6e0 [ 435.053671] addrconf_rs_timer+0x314/0x690 [ 435.057923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.062170] call_timer_fn+0x272/0x920 [ 435.066729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.070961] ? process_timeout+0x40/0x40 [ 435.075113] ? __run_timers+0x7da/0xc70 [ 435.079082] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.083589] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.088087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.092331] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.096917] ? trace_hardirqs_on+0xbd/0x310 [ 435.101714] ? kasan_check_read+0x11/0x20 [ 435.105861] ? __run_timers+0x7da/0xc70 [ 435.109836] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.114938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.119170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.123396] __run_timers+0x7e5/0xc70 [ 435.127201] ? timer_fixup_init+0x70/0x70 [ 435.131345] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.135838] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.140325] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 435.144906] ? trace_hardirqs_on+0xbd/0x310 [ 435.149225] ? kasan_check_read+0x11/0x20 [ 435.153371] ? finish_task_switch+0x1f4/0x910 [ 435.157877] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.162976] ? compat_start_thread+0x80/0x80 [ 435.167873] ? pvclock_read_flags+0x160/0x160 [ 435.172370] ? __switch_to_asm+0x34/0x70 [ 435.176429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.181963] ? check_preemption_disabled+0x48/0x280 [ 435.186997] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 435.192528] ? rcu_pm_notify+0xc0/0xc0 [ 435.196412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.201948] ? check_preemption_disabled+0x48/0x280 [ 435.206970] run_timer_softirq+0x52/0xb0 [ 435.211022] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.216032] __do_softirq+0x308/0xb7e [ 435.219849] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.225304] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.230415] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.235868] ? schedule+0x108/0x460 [ 435.239497] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 435.244257] ? trace_hardirqs_off+0xb8/0x310 [ 435.248662] ? smpboot_thread_fn+0x68b/0xa00 [ 435.253069] ? trace_hardirqs_on+0x310/0x310 [ 435.257476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.263013] ? check_preemption_disabled+0x48/0x280 [ 435.268714] ? takeover_tasklets+0xa90/0xa90 [ 435.273207] run_ksoftirqd+0x5e/0x100 [ 435.277003] smpboot_thread_fn+0x68b/0xa00 [ 435.281238] ? sort_range+0x30/0x30 [ 435.284876] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.289997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.295528] ? __kthread_parkme+0xfb/0x1a0 [ 435.299761] ? sort_range+0x30/0x30 [ 435.303384] kthread+0x35a/0x440 [ 435.306748] ? kthread_stop+0x900/0x900 [ 435.310722] ret_from_fork+0x3a/0x50 [ 435.314448] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 435.314513] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 435.321483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.321488] Call Trace: [ 435.321505] dump_stack+0x244/0x39d [ 435.321523] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.328079] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.337366] warn_alloc.cold.116+0xb7/0x1bd [ 435.339915] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 435.343536] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.373057] ? lock_downgrade+0x900/0x900 [ 435.377209] ? trace_hardirqs_off+0xb8/0x310 [ 435.381620] ? trace_hardirqs_off+0xb8/0x310 [ 435.386031] __alloc_pages_slowpath+0x26e8/0x2e10 [ 435.390892] ? warn_alloc+0x120/0x120 [ 435.394687] ? print_usage_bug+0xc0/0xc0 [ 435.398837] ? warn_alloc+0x120/0x120 [ 435.402639] ? warn_alloc+0x120/0x120 [ 435.406436] ? print_usage_bug+0xc0/0xc0 [ 435.410673] ? print_usage_bug+0xc0/0xc0 [ 435.414731] ? __lock_acquire+0x62f/0x4c20 [ 435.418981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.424515] ? should_fail+0x22d/0xd01 [ 435.428490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.433592] ? __lock_acquire+0x62f/0x4c20 [ 435.437830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.442928] ? __lock_acquire+0x62f/0x4c20 [ 435.447155] ? should_fail+0x22d/0xd01 [ 435.451038] ? find_held_lock+0x36/0x1c0 [ 435.455107] ? mark_held_locks+0x130/0x130 [ 435.459344] ? mark_held_locks+0x130/0x130 [ 435.463578] ? zap_class+0x640/0x640 [ 435.467598] ? zap_class+0x640/0x640 [ 435.471313] ? print_usage_bug+0xc0/0xc0 [ 435.475373] ? do_raw_spin_unlock+0xa7/0x330 [ 435.479776] ? zap_class+0x640/0x640 [ 435.483485] ? print_usage_bug+0xc0/0xc0 [ 435.487538] ? wq_watchdog_touch+0x9c/0xfe [ 435.491775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.497306] ? check_preemption_disabled+0x48/0x280 [ 435.502330] ? __lock_is_held+0xb5/0x140 [ 435.506395] __alloc_pages_nodemask+0xa80/0xde0 [ 435.511057] ? zap_class+0x640/0x640 [ 435.514775] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 435.519801] ? find_held_lock+0x36/0x1c0 [ 435.523956] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.528621] ? lock_downgrade+0x900/0x900 [ 435.532770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.538319] cache_grow_begin+0xa5/0x8c0 [ 435.542390] ? do_raw_spin_unlock+0xa7/0x330 [ 435.546801] fallback_alloc+0x204/0x2e0 [ 435.550791] ____cache_alloc_node+0x1c7/0x1e0 [ 435.555302] kmem_cache_alloc_node+0xe3/0x730 [ 435.559796] ? ipv6_get_ifaddr+0x42e/0x620 [ 435.564061] __alloc_skb+0x119/0x770 [ 435.567770] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.573417] ? netdev_alloc_frag+0x1f0/0x1f0 [ 435.577826] ? lock_downgrade+0x900/0x900 [ 435.581977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.587508] ? refcount_sub_and_test_checked+0x203/0x310 [ 435.592970] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 435.598415] ? addrconf_rs_timer+0x690/0x690 [ 435.602842] ndisc_alloc_skb+0x144/0x340 [ 435.606905] ndisc_send_rs+0x331/0x6e0 [ 435.610790] addrconf_rs_timer+0x314/0x690 [ 435.615040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.619279] call_timer_fn+0x272/0x920 [ 435.623162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.627391] ? process_timeout+0x40/0x40 [ 435.631453] ? __run_timers+0x7da/0xc70 [ 435.635424] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.639918] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.644407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.648635] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.653228] ? trace_hardirqs_on+0xbd/0x310 [ 435.657554] ? kasan_check_read+0x11/0x20 [ 435.661696] ? __run_timers+0x7da/0xc70 [ 435.665754] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.670858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.675426] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.679655] __run_timers+0x7e5/0xc70 [ 435.683457] ? timer_fixup_init+0x70/0x70 [ 435.687597] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.692089] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.696580] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 435.701161] ? trace_hardirqs_on+0xbd/0x310 [ 435.705484] ? kasan_check_read+0x11/0x20 [ 435.709626] ? finish_task_switch+0x1f4/0x910 [ 435.714115] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.719213] ? compat_start_thread+0x80/0x80 [ 435.723635] ? pvclock_read_flags+0x160/0x160 [ 435.728121] ? __switch_to_asm+0x34/0x70 [ 435.732180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.737714] ? check_preemption_disabled+0x48/0x280 [ 435.742758] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 435.748292] ? rcu_pm_notify+0xc0/0xc0 [ 435.752523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.758075] ? check_preemption_disabled+0x48/0x280 [ 435.763092] run_timer_softirq+0x52/0xb0 [ 435.767147] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.772343] __do_softirq+0x308/0xb7e [ 435.776223] ? trace_hardirqs_on_caller+0xc0/0x310 [ 435.781162] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.786258] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.791708] ? schedule+0x108/0x460 [ 435.795946] ? trace_hardirqs_off+0xb8/0x310 [ 435.800383] ? smpboot_thread_fn+0x68b/0xa00 [ 435.804785] ? trace_hardirqs_on+0x310/0x310 [ 435.809197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.814742] ? check_preemption_disabled+0x48/0x280 [ 435.819753] ? takeover_tasklets+0xa90/0xa90 [ 435.824156] run_ksoftirqd+0x5e/0x100 [ 435.827948] smpboot_thread_fn+0x68b/0xa00 [ 435.832179] ? sort_range+0x30/0x30 [ 435.835805] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.841161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.846693] ? __kthread_parkme+0xfb/0x1a0 [ 435.850924] ? sort_range+0x30/0x30 [ 435.854550] kthread+0x35a/0x440 [ 435.857920] ? kthread_stop+0x900/0x900 [ 435.861889] ret_from_fork+0x3a/0x50 [ 435.865607] warn_alloc_show_mem: 1 callbacks suppressed [ 435.865616] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 435.865617] Mem-Info: [ 435.865649] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 435.865649] active_file:10 inactive_file:14 isolated_file:0 [ 435.865649] unevictable:0 dirty:0 writeback:0 unstable:0 [ 435.865649] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 435.865649] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 435.865649] free:13688 free_pcp:208 free_cma:0 [ 435.870981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.878209] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 435.880599] Call Trace: [ 435.913627] 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 [ 435.922978] dump_stack+0x244/0x39d [ 435.950626] lowmem_reserve[]: 0 2818 6321 6321 [ 435.953207] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.979610] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 435.983242] warn_alloc.cold.116+0xb7/0x1bd [ 435.987791] lowmem_reserve[]: 0 0 3503 3503 [ 435.992986] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 436.020291] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 436.024624] ? lock_downgrade+0x900/0x900 [ 436.028909] lowmem_reserve[]: 0 0 0 0 [ 436.033755] ? trace_hardirqs_off+0xb8/0x310 [ 436.062694] 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 [ 436.066842] ? trace_hardirqs_off+0xb8/0x310 [ 436.070613] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 436.075525] __alloc_pages_slowpath+0x26e8/0x2e10 [ 436.089014] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 436.093433] ? warn_alloc+0x120/0x120 [ 436.109083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 436.113911] ? print_usage_bug+0xc0/0xc0 [ 436.128889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 436.132675] ? warn_alloc+0x120/0x120 [ 436.141830] 1671 total pagecache pages [ 436.145879] ? warn_alloc+0x120/0x120 [ 436.154444] 0 pages in swap cache [ 436.158227] ? print_usage_bug+0xc0/0xc0 [ 436.162090] Swap cache stats: add 0, delete 0, find 0/0 [ 436.165875] ? print_usage_bug+0xc0/0xc0 [ 436.169301] Free swap = 0kB [ 436.174111] ? __lock_acquire+0x62f/0x4c20 [ 436.179457] Total swap = 0kB [ 436.183516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.186522] 1965979 pages RAM [ 436.190743] ? should_fail+0x22d/0xd01 [ 436.193747] 0 pages HighMem/MovableOnly [ 436.199275] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.202345] 342853 pages reserved [ 436.206225] ? __lock_acquire+0x62f/0x4c20 [ 436.210177] 0 pages cma reserved [ 436.215271] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.218753] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 436.222910] ? __lock_acquire+0x62f/0x4c20 [ 436.222924] ? should_fail+0x22d/0xd01 [ 436.226356] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 436.231362] ? find_held_lock+0x36/0x1c0 [ 436.237825] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 436.242055] ? mark_held_locks+0x130/0x130 [ 436.269216] ? mark_held_locks+0x130/0x130 [ 436.274012] ? zap_class+0x640/0x640 [ 436.277726] ? mark_held_locks+0xc7/0x130 [ 436.281869] ? do_raw_spin_unlock+0xa7/0x330 [ 436.286272] ? zap_class+0x640/0x640 [ 436.289977] ? print_usage_bug+0xc0/0xc0 [ 436.294034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.299565] ? check_preemption_disabled+0x48/0x280 [ 436.304611] ? __lock_is_held+0xb5/0x140 [ 436.308671] __alloc_pages_nodemask+0xa80/0xde0 [ 436.313331] ? zap_class+0x640/0x640 [ 436.317045] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 436.322067] ? find_held_lock+0x36/0x1c0 [ 436.326132] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.330822] ? lock_downgrade+0x900/0x900 [ 436.334976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.340520] cache_grow_begin+0xa5/0x8c0 [ 436.344578] ? do_raw_spin_unlock+0xa7/0x330 [ 436.348987] fallback_alloc+0x204/0x2e0 [ 436.352962] ____cache_alloc_node+0x1c7/0x1e0 [ 436.357459] kmem_cache_alloc_node+0xe3/0x730 [ 436.361957] ? ipv6_get_ifaddr+0x42e/0x620 [ 436.366197] __alloc_skb+0x119/0x770 [ 436.369905] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.375753] ? netdev_alloc_frag+0x1f0/0x1f0 [ 436.380156] ? lock_downgrade+0x900/0x900 [ 436.384309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.389844] ? refcount_sub_and_test_checked+0x203/0x310 [ 436.395294] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 436.400738] ? addrconf_rs_timer+0x690/0x690 [ 436.405164] ndisc_alloc_skb+0x144/0x340 [ 436.409316] ndisc_send_rs+0x331/0x6e0 [ 436.413209] addrconf_rs_timer+0x314/0x690 [ 436.417446] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.421687] call_timer_fn+0x272/0x920 [ 436.425570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.429814] ? process_timeout+0x40/0x40 [ 436.433881] ? __run_timers+0x7da/0xc70 [ 436.437851] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.442338] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.446827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.451056] ? lockdep_hardirqs_on+0x296/0x5b0 [ 436.455634] ? trace_hardirqs_on+0xbd/0x310 [ 436.459948] ? kasan_check_read+0x11/0x20 [ 436.464090] ? __run_timers+0x7da/0xc70 [ 436.468059] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.473920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.478156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.482380] __run_timers+0x7e5/0xc70 [ 436.486185] ? timer_fixup_init+0x70/0x70 [ 436.490326] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.494813] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.499306] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 436.503885] ? trace_hardirqs_on+0xbd/0x310 [ 436.508199] ? kasan_check_read+0x11/0x20 [ 436.512381] ? finish_task_switch+0x1f4/0x910 [ 436.516871] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.521968] ? compat_start_thread+0x80/0x80 [ 436.526390] ? pvclock_read_flags+0x160/0x160 [ 436.530890] ? __switch_to_asm+0x34/0x70 [ 436.534963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.540512] ? check_preemption_disabled+0x48/0x280 [ 436.545531] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 436.551060] ? rcu_pm_notify+0xc0/0xc0 [ 436.554969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.560506] ? check_preemption_disabled+0x48/0x280 [ 436.565534] run_timer_softirq+0x52/0xb0 [ 436.569595] ? rcu_read_lock_sched_held+0x14f/0x180 [ 436.575140] __do_softirq+0x308/0xb7e [ 436.578956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.584403] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 436.589530] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.594992] ? schedule+0x108/0x460 [ 436.598613] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.603377] ? trace_hardirqs_off+0xb8/0x310 [ 436.607779] ? smpboot_thread_fn+0x68b/0xa00 [ 436.612178] ? trace_hardirqs_on+0x310/0x310 [ 436.616580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.622110] ? check_preemption_disabled+0x48/0x280 [ 436.627124] ? takeover_tasklets+0xa90/0xa90 [ 436.631554] run_ksoftirqd+0x5e/0x100 [ 436.635349] smpboot_thread_fn+0x68b/0xa00 [ 436.639597] ? sort_range+0x30/0x30 [ 436.643224] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 436.648324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.653859] ? __kthread_parkme+0xfb/0x1a0 [ 436.658094] ? sort_range+0x30/0x30 [ 436.661718] kthread+0x35a/0x440 [ 436.665081] ? kthread_stop+0x900/0x900 [ 436.669051] ret_from_fork+0x3a/0x50 [ 436.673241] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #82 [ 436.673305] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 436.679990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.679995] Call Trace: [ 436.680014] dump_stack+0x244/0x39d [ 436.680032] ? dump_stack_print_info.cold.1+0x20/0x20 [ 436.686569] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 436.696284] warn_alloc.cold.116+0xb7/0x1bd [ 436.698836] ksoftirqd/1 cpuset=/ mems_allowed=0 [ 436.702472] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 436.731732] ? lock_downgrade+0x900/0x900 [ 436.735901] ? trace_hardirqs_off+0xb8/0x310 [ 436.740308] ? trace_hardirqs_off+0xb8/0x310 [ 436.744720] __alloc_pages_slowpath+0x26e8/0x2e10 [ 436.749580] ? warn_alloc+0x120/0x120 [ 436.753381] ? warn_alloc+0x120/0x120 [ 436.757178] ? warn_alloc+0x120/0x120 [ 436.760972] ? print_usage_bug+0xc0/0xc0 [ 436.765024] ? __alloc_pages_slowpath+0x26e8/0x2e10 [ 436.770037] ? print_usage_bug+0xc0/0xc0 [ 436.774458] ? print_usage_bug+0xc0/0xc0 [ 436.778539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.784072] ? should_fail+0x22d/0xd01 [ 436.787950] ? mark_held_locks+0x130/0x130 [ 436.792184] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.797279] ? __lock_acquire+0x62f/0x4c20 [ 436.801513] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.806608] ? __lock_acquire+0x62f/0x4c20 [ 436.810837] ? should_fail+0x22d/0xd01 [ 436.814720] ? print_usage_bug+0xc0/0xc0 [ 436.818787] ? mark_held_locks+0x130/0x130 [ 436.823024] ? mark_held_locks+0x130/0x130 [ 436.827260] ? zap_class+0x640/0x640 [ 436.830985] ? ret_from_fork+0x3a/0x50 [ 436.834958] ? zap_class+0x640/0x640 [ 436.838680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.844438] ? check_preemption_disabled+0x48/0x280 [ 436.849475] ? __lock_is_held+0xb5/0x140 [ 436.853542] __alloc_pages_nodemask+0xa80/0xde0 [ 436.858225] ? zap_class+0x640/0x640 [ 436.861938] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 436.866960] ? find_held_lock+0x36/0x1c0 [ 436.871024] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.875998] ? lock_downgrade+0x900/0x900 [ 436.880149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.885685] cache_grow_begin+0xa5/0x8c0 [ 436.889740] ? do_raw_spin_unlock+0xa7/0x330 [ 436.894785] fallback_alloc+0x204/0x2e0 [ 436.898758] ____cache_alloc_node+0x1c7/0x1e0 [ 436.903252] kmem_cache_alloc_node+0xe3/0x730 [ 436.907738] ? mark_held_locks+0xc7/0x130 [ 436.911885] __alloc_skb+0x119/0x770 [ 436.915596] ? netdev_alloc_frag+0x1f0/0x1f0 [ 436.919997] ? do_raw_spin_trylock+0x270/0x270 [ 436.924573] ? kmem_cache_alloc_trace+0x353/0x750 [ 436.929410] ? queue_work_on+0x12c/0x1e0 [ 436.933479] ? switchdev_port_obj_del+0xdc/0x440 [ 436.938231] ? switchdev_trans_item_enqueue+0x260/0x260 [ 436.943588] ? mod_timer+0x631/0x1560 [ 436.947395] ? wake_up_klogd+0x180/0x180 [ 436.951457] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 436.956490] __br_mdb_notify+0x4ff/0x15d0 [ 436.960639] ? __br_mdb_add+0x7f0/0x7f0 [ 436.964606] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.969722] ? zap_class+0x640/0x640 [ 436.973736] ? br_multicast_group_expired+0x96/0x610 [ 436.978838] br_mdb_notify+0x310/0x410 [ 436.982722] ? br_mdb_dump+0x27b0/0x27b0 [ 436.986781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.992319] br_multicast_group_expired+0x1bc/0x610 [ 436.997332] ? br_mdb_free+0x80/0x80 [ 437.001047] call_timer_fn+0x272/0x920 [ 437.004932] ? br_mdb_free+0x80/0x80 [ 437.008641] ? process_timeout+0x40/0x40 [ 437.012920] ? __run_timers+0x7da/0xc70 [ 437.016894] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.021383] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.025870] ? br_mdb_free+0x80/0x80 [ 437.029579] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.034152] ? trace_hardirqs_on+0xbd/0x310 [ 437.038469] ? kasan_check_read+0x11/0x20 [ 437.042606] ? __run_timers+0x7da/0xc70 [ 437.046663] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.051774] ? br_mdb_free+0x80/0x80 [ 437.055480] __run_timers+0x7e5/0xc70 [ 437.059284] ? timer_fixup_init+0x70/0x70 [ 437.063433] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.067922] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.072704] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 437.077294] ? trace_hardirqs_on+0xbd/0x310 [ 437.081612] ? kasan_check_read+0x11/0x20 [ 437.085776] ? finish_task_switch+0x1f4/0x910 [ 437.090266] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.095377] ? compat_start_thread+0x80/0x80 [ 437.099801] ? pvclock_read_flags+0x160/0x160 [ 437.104287] ? __switch_to_asm+0x34/0x70 [ 437.108347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.113880] ? check_preemption_disabled+0x48/0x280 [ 437.118897] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 437.124439] ? rcu_pm_notify+0xc0/0xc0 [ 437.128326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.133882] ? check_preemption_disabled+0x48/0x280 [ 437.138922] run_timer_softirq+0x52/0xb0 [ 437.142978] ? rcu_read_lock_sched_held+0x14f/0x180 [ 437.147993] __do_softirq+0x308/0xb7e [ 437.151791] ? trace_hardirqs_on_caller+0xc0/0x310 [ 437.156734] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 437.161830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.167282] ? schedule+0x108/0x460 [ 437.170913] ? trace_hardirqs_off+0xb8/0x310 [ 437.175631] ? smpboot_thread_fn+0x68b/0xa00 [ 437.180035] ? trace_hardirqs_on+0x310/0x310 [ 437.184441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.189986] ? check_preemption_disabled+0x48/0x280 [ 437.195564] ? takeover_tasklets+0xa90/0xa90 [ 437.199984] run_ksoftirqd+0x5e/0x100 [ 437.203907] smpboot_thread_fn+0x68b/0xa00 [ 437.208141] ? sort_range+0x30/0x30 [ 437.211762] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 437.216858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.222657] ? __kthread_parkme+0xfb/0x1a0 [ 437.226903] ? sort_range+0x30/0x30 [ 437.230523] kthread+0x35a/0x440 [ 437.233884] ? kthread_stop+0x900/0x900 [ 437.237853] ret_from_fork+0x3a/0x50 [ 437.241581] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82 [ 437.241585] warn_alloc_show_mem: 1 callbacks suppressed [ 437.241591] Mem-Info: [ 437.248425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.253780] active_anon:48359 inactive_anon:1562 isolated_anon:0 [ 437.253780] active_file:10 inactive_file:14 isolated_file:0 [ 437.253780] unevictable:0 dirty:0 writeback:0 unstable:0 [ 437.253780] slab_reclaimable:9285 slab_unreclaimable:1456233 [ 437.253780] mapped:49154 shmem:1647 pagetables:668 bounce:0 [ 437.253780] free:13688 free_pcp:208 free_cma:0 [ 437.256152] Call Trace: [ 437.265526] Node 0 active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6588kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 437.299199] dump_stack+0x244/0x39d [ 437.301754] 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 [ 437.329425] ? dump_stack_print_info.cold.1+0x20/0x20 [ 437.333019] lowmem_reserve[]: 0 2818 6321 6321 [ 437.359128] warn_alloc.cold.116+0xb7/0x1bd [ 437.364292] Node 0 DMA32 free:25072kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 437.368862] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.373424] lowmem_reserve[]: 0 0 3503 3503 [ 437.400738] ? lock_downgrade+0x900/0x900 [ 437.405552] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:193436kB inactive_anon:6248kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2672kB bounce:0kB free_pcp:584kB local_pcp:336kB free_cma:0kB [ 437.409881] ? trace_hardirqs_off+0xb8/0x310 [ 437.413997] lowmem_reserve[]: 0 0 0 0 [ 437.442974] ? trace_hardirqs_off+0xb8/0x310 [ 437.447350] 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 [ 437.451159] __alloc_pages_slowpath+0x26e8/0x2e10 [ 437.455556] Node 0 DMA32: 6*4kB (UMH) 3*8kB (UMH) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 3*128kB (MH) 3*256kB (UM) 4*512kB (UMH) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 25072kB [ 437.469087] ? warn_alloc+0x120/0x120 [ 437.474196] Node 0 Normal: 875*4kB (UMEH) 496*8kB (UMEH) 241*16kB (UMEH) 55*32kB (UMEH) 3*64kB (UMH) 0*128kB 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13788kB [ 437.489887] ? print_usage_bug+0xc0/0xc0 [ 437.493667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 437.508558] ? warn_alloc+0x120/0x120 [ 437.512603] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 437.521436] ? warn_alloc+0x120/0x120 [ 437.525219] 1671 total pagecache pages [ 437.533780] ? print_usage_bug+0xc0/0xc0 [ 437.537559] 0 pages in swap cache [ 437.541431] ? print_usage_bug+0xc0/0xc0 [ 437.545468] Swap cache stats: add 0, delete 0, find 0/0 [ 437.548907] ? __lock_acquire+0x62f/0x4c20 [ 437.552952] Free swap = 0kB [ 437.558303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.562505] Total swap = 0kB [ 437.565506] ? should_fail+0x22d/0xd01 [ 437.571011] 1965979 pages RAM [ 437.574518] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.578383] 0 pages HighMem/MovableOnly [ 437.581474] ? __lock_acquire+0x62f/0x4c20 [ 437.586545] 342853 pages reserved [ 437.586552] 0 pages cma reserved [ 437.590511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.594831] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.598157] ? __lock_acquire+0x62f/0x4c20 [ 437.601496] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 437.606583] ? should_fail+0x22d/0xd01 [ 437.629637] ? find_held_lock+0x36/0x1c0 [ 437.633699] ? mark_held_locks+0x130/0x130 [ 437.637948] ? mark_held_locks+0x130/0x130 [ 437.642265] ? zap_class+0x640/0x640 [ 437.645977] ? mark_held_locks+0xc7/0x130 [ 437.650117] ? do_raw_spin_unlock+0xa7/0x330 [ 437.654524] ? zap_class+0x640/0x640 [ 437.658234] ? print_usage_bug+0xc0/0xc0 [ 437.662292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.667825] ? check_preemption_disabled+0x48/0x280 [ 437.673556] ? __lock_is_held+0xb5/0x140 [ 437.677626] __alloc_pages_nodemask+0xa80/0xde0 [ 437.682384] ? zap_class+0x640/0x640 [ 437.686095] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 437.691116] ? find_held_lock+0x36/0x1c0 [ 437.695182] ? ____cache_alloc_node+0x1c7/0x1e0 [ 437.699844] ? lock_downgrade+0x900/0x900 [ 437.703993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.709529] cache_grow_begin+0xa5/0x8c0 [ 437.713585] ? do_raw_spin_unlock+0xa7/0x330 [ 437.717994] fallback_alloc+0x204/0x2e0 [ 437.721988] ____cache_alloc_node+0x1c7/0x1e0 [ 437.726502] kmem_cache_alloc_node+0xe3/0x730 [ 437.730995] ? ipv6_get_ifaddr+0x42e/0x620 [ 437.735235] __alloc_skb+0x119/0x770 [ 437.738942] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.744217] ? netdev_alloc_frag+0x1f0/0x1f0 [ 437.748621] ? lock_downgrade+0x900/0x900 [ 437.752771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.758302] ? refcount_sub_and_test_checked+0x203/0x310 [ 437.763753] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 437.769196] ? addrconf_rs_timer+0x690/0x690 [ 437.774161] ndisc_alloc_skb+0x144/0x340 [ 437.778219] ndisc_send_rs+0x331/0x6e0 [ 437.782108] addrconf_rs_timer+0x314/0x690 [ 437.786346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.790609] call_timer_fn+0x272/0x920 [ 437.794616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.798848] ? process_timeout+0x40/0x40 [ 437.802922] ? __run_timers+0x7da/0xc70 [ 437.806908] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.811507] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.816010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.820240] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.824823] ? trace_hardirqs_on+0xbd/0x310 [ 437.829143] ? kasan_check_read+0x11/0x20 [ 437.833287] ? __run_timers+0x7da/0xc70 [ 437.837257] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.842365] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.847056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.851281] __run_timers+0x7e5/0xc70 [ 437.855084] ? timer_fixup_init+0x70/0x70 [ 437.859233] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.863726] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.868215] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 437.873373] ? trace_hardirqs_on+0xbd/0x310 [ 437.877692] ? kasan_check_read+0x11/0x20 [ 437.881925] ? finish_task_switch+0x1f4/0x910 [ 437.886418] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.891518] ? compat_start_thread+0x80/0x80 [ 437.895938] ? pvclock_read_flags+0x160/0x160 [ 437.900443] ? __switch_to_asm+0x34/0x70 [ 437.904515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.910067] ? check_preemption_disabled+0x48/0x280 [ 437.915111] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 437.920647] ? rcu_pm_notify+0xc0/0xc0 [ 437.924532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.930064] ? check_preemption_disabled+0x48/0x280 [ 437.935078] run_timer_softirq+0x52/0xb0 [ 437.939137] ? rcu_read_lock_sched_held+0x14f/0x180 [ 437.944150] __do_softirq+0x308/0xb7e [ 437.948033] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.953490] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 437.958588] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.964038] ? schedule+0x108/0x460 [ 437.967663] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 437.973184] ? trace_hardirqs_off+0xb8/0x310 [ 437.977606] ? smpboot_thread_fn+0x68b/0xa00 [ 437.982012] ? trace_hardirqs_on+0x310/0x310 [ 437.986418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.991968] ? check_preemption_disabled+0x48/0x280 [ 437.996983] ? takeover_tasklets+0xa90/0xa90 [ 438.001392] run_ksoftirqd+0x5e/0x100