e+0x900/0x900
[  394.396381]  ? check_flush_dependency+0x410/0x410
[  394.401235]  ? kasan_check_read+0x11/0x20
[  394.405397]  ? ___preempt_schedule+0x16/0x18
[  394.409818]  ? _raw_spin_unlock+0x3f/0x50
[  394.413968]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  394.419167]  shrink_node+0x3bc/0x16b0
[  394.423038]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  394.428351]  ? shrink_node_memcg+0x18f0/0x18f0
[  394.432937]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.437528]  ? trace_hardirqs_on+0xbd/0x310
[  394.441862]  ? vmpressure+0x271/0x340
[  394.445675]  ? do_raw_spin_trylock+0x270/0x270
[  394.450266]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  394.455855]  ? __cpuset_node_allowed+0x19b/0x660
[  394.460630]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  394.466348]  ? vmpressure+0x1a2/0x340
[  394.470162]  do_try_to_free_pages+0x3e7/0x1290
[  394.474750]  ? zap_class+0x640/0x640
[  394.478487]  ? shrink_node+0x16b0/0x16b0
[  394.482551]  ? __lock_is_held+0xb5/0x140
[  394.486630]  try_to_free_pages+0x4d0/0xb90
[  394.490872]  ? do_try_to_free_pages+0x1290/0x1290
[  394.495721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.501277]  ? lock_acquire+0x1ed/0x520
[  394.505260]  ? set_page_refcounted+0x280/0x280
[  394.509852]  ? lock_release+0xa00/0xa00
[  394.513838]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.519302]  __alloc_pages_slowpath+0x9c4/0x2d70
[  394.524099]  ? warn_alloc+0x120/0x120
[  394.527901]  ? rcu_softirq_qs+0x20/0x20
[  394.531915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.537461]  ? should_fail+0x22d/0xd01
[  394.541356]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.546466]  ? zap_class+0x640/0x640
[  394.550211]  ? __lock_is_held+0xb5/0x140
[  394.554284]  ? mark_held_locks+0x130/0x130
[  394.558543]  ? lock_release+0xa00/0xa00
[  394.562525]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.567992]  ? __might_sleep+0x95/0x190
[  394.571976]  __alloc_pages_nodemask+0xa80/0xde0
[  394.576656]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  394.581678]  ? __page_cache_alloc+0x191/0x5c0
[  394.586180]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.591634]  ? kasan_check_read+0x11/0x20
[  394.595792]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.601082]  ? zap_class+0x640/0x640
[  394.604806]  ? zap_class+0x640/0x640
[  394.608525]  ? zap_class+0x640/0x640
[  394.612245]  ? __do_page_cache_readahead+0x7ce/0x980
[  394.617357]  ? find_held_lock+0x36/0x1c0
[  394.621431]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  394.626992]  alloc_pages_current+0x173/0x350
[  394.631413]  __page_cache_alloc+0x38c/0x5c0
[  394.635743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.640675]  ? kasan_check_read+0x11/0x20
[  394.644830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.650126]  ? generic_perform_write+0x6a0/0x6a0
[  394.654886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.660430]  ? check_preemption_disabled+0x48/0x280
[  394.665467]  filemap_fault+0x1594/0x25f0
[  394.669546]  ? __lock_page_or_retry+0xa00/0xa00
[  394.674225]  ? mark_held_locks+0x130/0x130
[  394.678465]  ? rcu_softirq_qs+0x20/0x20
[  394.682459]  ? filemap_map_pages+0xe04/0x1990
[  394.686970]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.691557]  ? __free_object+0x173/0x340
[  394.695619]  ? debug_object_free+0x36f/0x690
[  394.700041]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  394.704973]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.710080]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  394.714758]  ? queue_work_on+0x12c/0x1e0
[  394.718831]  ? debug_object_free+0x36f/0x690
[  394.723242]  ? kasan_check_read+0x11/0x20
[  394.727391]  ? debug_object_destroy+0x2b0/0x2b0
[  394.732063]  ? lock_pi_update_atomic+0x150/0x150
[  394.736821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.742366]  ? __hrtimer_init+0xdb/0x240
[  394.746437]  ? lock_acquire+0x1ed/0x520
[  394.750414]  ? ext4_filemap_fault+0x7a/0xad
[  394.754746]  ? lock_release+0xa00/0xa00
[  394.758727]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.764182]  ? print_usage_bug+0xc0/0xc0
[  394.768247]  ? print_usage_bug+0xc0/0xc0
[  394.772332]  ? down_read+0x8d/0x120
[  394.775975]  ? ext4_filemap_fault+0x7a/0xad
[  394.780321]  ? __down_interruptible+0x700/0x700
[  394.785010]  ext4_filemap_fault+0x82/0xad
[  394.789165]  __do_fault+0x100/0x6b0
[  394.792797]  ? pmd_devmap_trans_unstable+0x220/0x220
[  394.797909]  ? mark_held_locks+0x130/0x130
[  394.802154]  ? mark_held_locks+0x130/0x130
[  394.806407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.811954]  __handle_mm_fault+0x307c/0x5920
[  394.816369]  ? perf_trace_lock+0x7a0/0x7a0
[  394.820621]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  394.825482]  ? __switch_to_asm+0x34/0x70
[  394.829546]  ? __switch_to_asm+0x34/0x70
[  394.833624]  ? zap_class+0x640/0x640
[  394.837339]  ? zap_class+0x640/0x640
[  394.841055]  ? __x64_sys_futex+0x53e/0x6a0
[  394.845299]  ? find_held_lock+0x36/0x1c0
[  394.849373]  ? handle_mm_fault+0x42a/0xc70
[  394.853612]  ? lock_downgrade+0x900/0x900
[  394.857765]  ? check_preemption_disabled+0x48/0x280
[  394.862789]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.867719]  ? kasan_check_read+0x11/0x20
[  394.871959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.877245]  ? rcu_softirq_qs+0x20/0x20
[  394.881224]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.886328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.891867]  ? check_preemption_disabled+0x48/0x280
[  394.896894]  handle_mm_fault+0x54f/0xc70
[  394.900967]  ? __handle_mm_fault+0x5920/0x5920
[  394.905559]  ? find_vma+0x34/0x190
[  394.909106]  __do_page_fault+0x5e8/0xe60
[  394.913171]  ? trace_hardirqs_off+0xb8/0x310
[  394.917593]  do_page_fault+0xf2/0x7e0
[  394.921401]  ? vmalloc_sync_all+0x30/0x30
[  394.925557]  ? error_entry+0x70/0xd0
[  394.929279]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.934295]  ? trace_hardirqs_on_caller+0xc0/0x310
[  394.939230]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.944185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.949030]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.954050]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.959508]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.964533]  ? page_fault+0x8/0x30
[  394.968079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.972937]  ? page_fault+0x8/0x30
[  394.976484]  page_fault+0x1e/0x30
[  394.979944] RIP: 0033:0x45ddf3
[  394.983150] Code: Bad RIP value.
[  394.986514] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  394.991880] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  394.999170] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  395.006441] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  395.013713] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  395.020982] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  395.028288] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  395.028291] Mem-Info:
[  395.028321] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  395.028321]  active_file:15 inactive_file:12 isolated_file:0
[  395.028321]  unevictable:0 dirty:0 writeback:0 unstable:0
[  395.028321]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  395.028321]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  395.028321]  free:13694 free_pcp:0 free_cma:0
[  395.035233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.037678] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  395.070541] Call Trace:
[  395.079892] Node 0 
[  395.107559]  <IRQ>
[  395.110182] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.112400]  dump_stack+0x244/0x39d
[  395.114526] lowmem_reserve[]:
[  395.140044]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.143649]  0
[  395.146763]  warn_alloc.cold.117+0xb7/0x1bd
[  395.151922]  2819
[  395.153725]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.158022]  6323
[  395.160083]  ? lock_downgrade+0x900/0x900
[  395.164903]  6323
[  395.166969]  ? trace_hardirqs_off+0xb8/0x310
[  395.173157]  ? trace_hardirqs_off+0xb8/0x310
[  395.177551] Node 0 DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.181986]  __alloc_pages_slowpath+0x2660/0x2d70
[  395.182029]  ? warn_alloc+0x120/0x120
[  395.209326] lowmem_reserve[]: 0
[  395.214193]  ? warn_alloc+0x120/0x120
[  395.217970]  0
[  395.221252]  ? print_usage_bug+0xc0/0xc0
[  395.225029]  3503
[  395.226826]  ? warn_alloc+0x120/0x120
[  395.230874]  3503
[  395.232945]  ? print_usage_bug+0xc0/0xc0
[  395.238788]  ? try_to_wake_up+0x10a/0x12e0
[  395.242840] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.247111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.247134]  ? should_fail+0x22d/0xd01
[  395.275836] lowmem_reserve[]:
[  395.281384]  ? trace_hardirqs_off+0xb8/0x310
[  395.285249]  0
[  395.288358]  ? kasan_check_read+0x11/0x20
[  395.292737]  0 0
[  395.294557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.298679]  0
[  395.300656]  ? __lock_acquire+0x62f/0x4c20
[  395.307539]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.311751] Node 0 
[  395.316847]  ? should_fail+0x22d/0xd01
[  395.316850] DMA: 1*4kB 
[  395.319096]  ? mark_held_locks+0x130/0x130
[  395.322953] (U) 
[  395.325537]  ? mark_held_locks+0x130/0x130
[  395.329751] 0*8kB 
[  395.331720]  ? print_usage_bug+0xc0/0xc0
[  395.335934] 0*16kB 1*32kB 
[  395.338090]  ? find_held_lock+0x36/0x1c0
[  395.342139] (U) 
[  395.344976]  ? zap_class+0x640/0x640
[  395.349022] 2*64kB 
[  395.350999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.354688] (U) 
[  395.356941]  ? check_preemption_disabled+0x48/0x280
[  395.362457] 1*128kB 
[  395.364445]  ? __lock_is_held+0xb5/0x140
[  395.369436] (U) 
[  395.371758]  __alloc_pages_nodemask+0xa80/0xde0
[  395.375795] 1*256kB 
[  395.377764]  ? zap_class+0x640/0x640
[  395.382415] (U) 
[  395.384744]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  395.388430] 0*512kB 1*1024kB 
[  395.390418]  ? find_held_lock+0x36/0x1c0
[  395.395403] (U) 
[  395.398521]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.402560] 1*2048kB 
[  395.404537]  ? lock_downgrade+0x900/0x900
[  395.409183] (M) 
[  395.411593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.415716] 3*4096kB 
[  395.417696]  cache_grow_begin+0xa5/0x8c0
[  395.423210] (M) 
[  395.425618]  ? do_raw_spin_unlock+0xa7/0x330
[  395.429659] = 15908kB
[  395.431635]  fallback_alloc+0x204/0x2e0
[  395.436017] Node 0 
[  395.438441]  ____cache_alloc_node+0x1c7/0x1e0
[  395.442385] DMA32: 
[  395.444643]  kmem_cache_alloc_node+0xe3/0x730
[  395.449125] 2*4kB 
[  395.451360]  ? mark_held_locks+0xc7/0x130
[  395.455833] (M) 
[  395.457988]  __alloc_skb+0x119/0x770
[  395.462111] 3*8kB 
[  395.464083]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.467774] (UM) 
[  395.469922]  ? do_raw_spin_trylock+0x270/0x270
[  395.474305] 3*16kB (UM) 
[  395.476380]  ? kmem_cache_alloc_trace+0x353/0x750
[  395.481089] 4*32kB (UM) 
[  395.483775]  ? queue_work_on+0x12c/0x1e0
[  395.488597] 5*64kB 
[  395.491326]  ? switchdev_port_obj_del+0xdc/0x440
[  395.495304] (UM) 
[  395.497571]  ? switchdev_trans_item_enqueue+0x260/0x260
[  395.502321] 4*128kB 
[  395.504394]  ? mod_timer+0x631/0x1560
[  395.509733] (M) 
[  395.512055]  ? wake_up_klogd+0x180/0x180
[  395.515871] 5*256kB 
[  395.517855]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  395.521893] (UM) 
[  395.524254]  __br_mdb_notify+0x4ff/0x15d0
[  395.529208] 5*512kB 
[  395.531274]  ? __br_mdb_add+0x7f0/0x7f0
[  395.535394] (UM) 
[  395.537723]  ? zap_class+0x640/0x640
[  395.541670] 4*1024kB 
[  395.543736]  ? br_multicast_group_expired+0x96/0x610
[  395.547454] (UM) 
[  395.549889]  br_mdb_notify+0x310/0x410
[  395.554978] 2*2048kB 
[  395.557036]  ? br_mdb_dump+0x27b0/0x27b0
[  395.560930] (M) 
[  395.563339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.567379] 3*4096kB 
[  395.569356]  br_multicast_group_expired+0x1bc/0x610
[  395.574867] (M) 
[  395.577278]  ? br_mdb_free+0x80/0x80
[  395.582278] = 25360kB
[  395.584262]  call_timer_fn+0x272/0x920
[  395.587968] Node 0 
[  395.590392]  ? br_mdb_free+0x80/0x80
[  395.594251] Normal: 783*4kB 
[  395.596503]  ? process_timeout+0x40/0x40
[  395.600203] (UMEH) 
[  395.603237]  ? __run_timers+0x7da/0xc70
[  395.607273] 379*8kB 
[  395.609512]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.613469] (MEH) 
[  395.615800]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.620279] 205*16kB 
[  395.622431]  ? br_mdb_free+0x80/0x80
[  395.626898] (UMEH) 
[  395.629307]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.632997] 93*32kB 
[  395.635230]  ? trace_hardirqs_on+0xbd/0x310
[  395.639791] (UMEH) 
[  395.642114]  ? kasan_check_read+0x11/0x20
[  395.646406] 24*64kB (UMH) 
[  395.648658]  ? __run_timers+0x7da/0xc70
[  395.652782] 1*128kB 
[  395.655630]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.659579] (H) 0*256kB 
[  395.661911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.667011] 0*512kB 
[  395.669683]  ? br_mdb_free+0x80/0x80
[  395.673897] 0*1024kB 
[  395.676219]  __run_timers+0x7e5/0xc70
[  395.679950] 0*2048kB 
[  395.682368]  ? timer_fixup_init+0x70/0x70
[  395.686151] 0*4096kB 
[  395.688558]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  395.692688] = 14084kB
[  395.695102]  ? zap_class+0x640/0x640
[  395.700116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  395.702518]  ? enqueue_hrtimer+0x1a5/0x560
[  395.706215] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  395.715046]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  395.719260] 1070 total pagecache pages
[  395.727832]  ? find_held_lock+0x36/0x1c0
[  395.733007] 0 pages in swap cache
[  395.736882]  ? zap_class+0x640/0x640
[  395.740932] Swap cache stats: add 0, delete 0, find 0/0
[  395.744372]  ? pvclock_read_flags+0x160/0x160
[  395.748075] Free swap  = 0kB
[  395.753462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.757965] Total swap = 0kB
[  395.760982]  ? check_preemption_disabled+0x48/0x280
[  395.766500] 1965979 pages RAM
[  395.769546]  ? __lock_is_held+0xb5/0x140
[  395.774537] 0 pages HighMem/MovableOnly
[  395.777654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.781697] 342293 pages reserved
[  395.785669]  ? check_preemption_disabled+0x48/0x280
[  395.791188] 0 pages cma reserved
[  395.794643]  run_timer_softirq+0x52/0xb0
[  395.799698] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.803016]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.807153] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.813559]  __do_softirq+0x308/0xb7e
[  395.818558] syz-fuzzer cpuset=
[  395.828778]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  395.832559] /
[  395.835749]  ? lock_downgrade+0x900/0x900
[  395.840224]  mems_allowed=0
[  395.841947]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.854121]  ? pvclock_read_flags+0x160/0x160
[  395.858625]  ? lapic_next_event+0x5a/0x90
[  395.862777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.868325]  ? kvm_clock_read+0x18/0x30
[  395.872306]  ? kvm_sched_clock_read+0x9/0x20
[  395.876719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.882257]  ? check_preemption_disabled+0x48/0x280
[  395.887290]  irq_exit+0x17f/0x1c0
[  395.890751]  smp_apic_timer_interrupt+0x1cb/0x760
[  395.895598]  ? smp_reschedule_interrupt+0x109/0x650
[  395.900622]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.906511]  ? interrupt_entry+0xb5/0xc0
[  395.910576]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.915595]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.920617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.925462]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.930477]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.935510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.940368]  apic_timer_interrupt+0xf/0x20
[  395.944597]  </IRQ>
[  395.946839] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  395.951771] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  395.970676] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  395.978390] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  395.985655] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  395.992925] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  396.000203] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  396.007472] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  396.014784]  skb_clone+0x1bb/0x500
[  396.018330]  ? finish_task_switch+0x1b4/0x910
[  396.022832]  ? skb_split+0x11e0/0x11e0
[  396.026720]  ? preempt_notifier_register+0x200/0x200
[  396.031825]  ? __switch_to_asm+0x34/0x70
[  396.035889]  ? __switch_to_asm+0x34/0x70
[  396.039950]  ? __switch_to_asm+0x40/0x70
[  396.044013]  ? __switch_to_asm+0x34/0x70
[  396.048073]  ? __switch_to_asm+0x40/0x70
[  396.052138]  ? __switch_to_asm+0x34/0x70
[  396.056227]  ? __switch_to_asm+0x40/0x70
[  396.060289]  ? __switch_to_asm+0x34/0x70
[  396.064356]  ? __switch_to_asm+0x34/0x70
[  396.068421]  ? __switch_to_asm+0x40/0x70
[  396.072491]  ? __switch_to_asm+0x34/0x70
[  396.076562]  bpf_clone_redirect+0xb9/0x490
[  396.080801]  ? __schedule+0x8d7/0x21d0
[  396.084723]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  396.089745]  ? __sched_text_start+0x8/0x8
[  396.093935]  ? find_held_lock+0x36/0x1c0
[  396.098007]  ? lock_acquire+0x1ed/0x520
[  396.101981]  ? bpf_test_run+0x3cb/0x780
[  396.105960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.111499]  ? check_preemption_disabled+0x48/0x280
[  396.116536]  ? kasan_check_read+0x11/0x20
[  396.120700]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.126024]  ? rcu_softirq_qs+0x20/0x20
[  396.130010]  ? preempt_schedule+0x4d/0x60
[  396.134162]  ? ___preempt_schedule+0x16/0x18
[  396.138593]  ? bpf_test_run+0x25d/0x780
[  396.142586]  ? netlink_diag_dump+0x2a0/0x2a0
[  396.146998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.152537]  ? bpf_test_init.isra.10+0x70/0x100
[  396.157244]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  396.162056]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  396.166921]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.172463]  ? fput+0x130/0x1a0
[  396.175749]  ? __bpf_prog_get+0x9b/0x290
[  396.179813]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  396.184655]  ? bpf_prog_test_run+0x130/0x1a0
[  396.189069]  ? __x64_sys_bpf+0x3d8/0x520
[  396.193133]  ? bpf_prog_get+0x20/0x20
[  396.196955]  ? do_syscall_64+0x1b9/0x820
[  396.201019]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  396.206385]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.211322]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.216345]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  396.221363]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  396.228030]  ? __switch_to_asm+0x40/0x70
[  396.232092]  ? __switch_to_asm+0x34/0x70
[  396.236166]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.241024]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  396.246410] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  396.246569] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.253002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.263474] syz-executor1 cpuset=
[  396.272817] Call Trace:
[  396.272828] syz1
[  396.276268]  <IRQ>
[  396.278844]  mems_allowed=0
[  396.280816]  dump_stack+0x244/0x39d
[  396.289481]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.294689]  warn_alloc.cold.117+0xb7/0x1bd
[  396.299018]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.303898]  ? lock_downgrade+0x900/0x900
[  396.308060]  ? trace_hardirqs_off+0xb8/0x310
[  396.312479]  ? trace_hardirqs_off+0xb8/0x310
[  396.316897]  __alloc_pages_slowpath+0x2660/0x2d70
[  396.321778]  ? warn_alloc+0x120/0x120
[  396.325587]  ? warn_alloc+0x120/0x120
[  396.329391]  ? print_usage_bug+0xc0/0xc0
[  396.333462]  ? warn_alloc+0x120/0x120
[  396.337272]  ? print_usage_bug+0xc0/0xc0
[  396.341336]  ? __lock_acquire+0x62f/0x4c20
[  396.345568]  ? __lock_acquire+0x62f/0x4c20
[  396.349810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.355349]  ? should_fail+0x22d/0xd01
[  396.359243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.364529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.369635]  ? __lock_acquire+0x62f/0x4c20
[  396.373877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.378981]  ? __lock_acquire+0x62f/0x4c20
[  396.383218]  ? should_fail+0x22d/0xd01
[  396.387107]  ? rcu_irq_exit+0x1a2/0x390
[  396.391100]  ? mark_held_locks+0x130/0x130
[  396.395347]  ? mark_held_locks+0x130/0x130
[  396.399589]  ? mark_held_locks+0xc7/0x130
[  396.403740]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  396.408757]  ? zap_class+0x640/0x640
[  396.412478]  ? print_usage_bug+0xc0/0xc0
[  396.416547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.422090]  ? check_preemption_disabled+0x48/0x280
[  396.427120]  ? __lock_is_held+0xb5/0x140
[  396.431201]  __alloc_pages_nodemask+0xa80/0xde0
[  396.435871]  ? zap_class+0x640/0x640
[  396.439592]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  396.444625]  ? find_held_lock+0x36/0x1c0
[  396.448705]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.453380]  ? lock_downgrade+0x900/0x900
[  396.457537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.463087]  cache_grow_begin+0xa5/0x8c0
[  396.467164]  ? do_raw_spin_unlock+0xa7/0x330
[  396.471585]  fallback_alloc+0x204/0x2e0
[  396.475570]  ____cache_alloc_node+0x1c7/0x1e0
[  396.480074]  kmem_cache_alloc_node+0xe3/0x730
[  396.484572]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.488823]  __alloc_skb+0x119/0x770
[  396.492544]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.497830]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.502238]  ? lock_downgrade+0x900/0x900
[  396.506399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.511944]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.517427]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.522887]  ? addrconf_rs_timer+0x690/0x690
[  396.527317]  ndisc_alloc_skb+0x144/0x340
[  396.531386]  ndisc_send_rs+0x331/0x6e0
[  396.535280]  addrconf_rs_timer+0x314/0x690
[  396.539523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.543775]  call_timer_fn+0x272/0x920
[  396.547663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.551902]  ? process_timeout+0x40/0x40
[  396.555991]  ? mark_held_locks+0xc7/0x130
[  396.560149]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.564646]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.569142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.573376]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.577962]  ? trace_hardirqs_on+0xbd/0x310
[  396.582314]  ? kasan_check_read+0x11/0x20
[  396.586474]  ? __run_timers+0x7da/0xc70
[  396.590962]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.596070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.600311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.604545]  __run_timers+0x7e5/0xc70
[  396.608358]  ? timer_fixup_init+0x70/0x70
[  396.612509]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.617525]  ? zap_class+0x640/0x640
[  396.621265]  ? print_usage_bug+0xc0/0xc0
[  396.625336]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.630532]  ? find_held_lock+0x36/0x1c0
[  396.634603]  ? zap_class+0x640/0x640
[  396.638328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.643869]  ? check_preemption_disabled+0x48/0x280
[  396.648894]  ? __lock_is_held+0xb5/0x140
[  396.652965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.658502]  ? check_preemption_disabled+0x48/0x280
[  396.663532]  run_timer_softirq+0x52/0xb0
[  396.667596]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.672614]  __do_softirq+0x308/0xb7e
[  396.676428]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.680922]  ? lock_downgrade+0x900/0x900
[  396.685086]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.690201]  ? pvclock_read_flags+0x160/0x160
[  396.694702]  ? lapic_next_event+0x5a/0x90
[  396.698854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.704404]  ? kvm_clock_read+0x18/0x30
[  396.708383]  ? kvm_sched_clock_read+0x9/0x20
[  396.712795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.718332]  ? check_preemption_disabled+0x48/0x280
[  396.723365]  irq_exit+0x17f/0x1c0
[  396.726827]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.731673]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.737566]  ? interrupt_entry+0xb5/0xc0
[  396.741634]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.746648]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.751666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.756509]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.761525]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.766544]  ? task_prio+0x50/0x50
[  396.770089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.775632]  ? check_preemption_disabled+0x48/0x280
[  396.780656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.785512]  apic_timer_interrupt+0xf/0x20
[  396.789740]  </IRQ>
[  396.792003] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  396.797110] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  396.816023] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  396.823732] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  396.831001] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  396.838269] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  396.845539] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  396.852809] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  396.860107]  shrink_active_list+0x67b/0x1c20
[  396.864521]  ? free_unref_page_list+0xd1b/0x11e0
[  396.869286]  ? shrink_inactive_list+0xa4a/0x1c60
[  396.874058]  ? zap_class+0x60f/0x640
[  396.877772]  ? shrink_inactive_list+0x1c60/0x1c60
[  396.882624]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.887129]  ? find_held_lock+0x36/0x1c0
[  396.891229]  ? __page_frag_cache_drain+0x200/0x200
[  396.896165]  ? print_usage_bug+0xc0/0xc0
[  396.900245]  ? find_held_lock+0x36/0x1c0
[  396.904318]  ? zap_class+0x640/0x640
[  396.908034]  ? mark_held_locks+0xc7/0x130
[  396.912191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.917737]  ? check_preemption_disabled+0x48/0x280
[  396.922769]  ? zap_class+0x640/0x640
[  396.926487]  ? __lock_is_held+0xb5/0x140
[  396.930551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.936092]  ? check_preemption_disabled+0x48/0x280
[  396.941119]  ? __lock_is_held+0xb5/0x140
[  396.945205]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.950227]  ? inactive_list_is_low+0x305/0x880
[  396.954911]  ? lruvec_lru_size+0x450/0x450
[  396.959162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.964098]  ? rcu_softirq_qs+0x20/0x20
[  396.968087]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  396.973028]  shrink_node_memcg+0x803/0x18f0
[  396.977370]  ? shrink_active_list+0x1c20/0x1c20
[  396.982049]  ? lock_downgrade+0x900/0x900
[  396.986202]  ? check_flush_dependency+0x410/0x410
[  396.991054]  ? kasan_check_read+0x11/0x20
[  396.995213]  ? ___preempt_schedule+0x16/0x18
[  396.999634]  ? _raw_spin_unlock+0x3f/0x50
[  397.003791]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  397.008989]  shrink_node+0x3bc/0x16b0
[  397.012797]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  397.018105]  ? shrink_node_memcg+0x18f0/0x18f0
[  397.022691]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.027274]  ? trace_hardirqs_on+0xbd/0x310
[  397.031603]  ? vmpressure+0x271/0x340
[  397.035414]  ? do_raw_spin_trylock+0x270/0x270
[  397.040020]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  397.045574]  ? __cpuset_node_allowed+0x19b/0x660
[  397.050336]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  397.056046]  ? vmpressure+0x1a2/0x340
[  397.059861]  do_try_to_free_pages+0x3e7/0x1290
[  397.064449]  ? zap_class+0x640/0x640
[  397.068191]  ? shrink_node+0x16b0/0x16b0
[  397.072255]  ? __lock_is_held+0xb5/0x140
[  397.076331]  try_to_free_pages+0x4d0/0xb90
[  397.080570]  ? do_try_to_free_pages+0x1290/0x1290
[  397.085438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.090989]  ? lock_acquire+0x1ed/0x520
[  397.094969]  ? set_page_refcounted+0x280/0x280
[  397.099558]  ? lock_release+0xa00/0xa00
[  397.103547]  ? perf_trace_sched_process_exec+0x860/0x860
[  397.109012]  __alloc_pages_slowpath+0x9c4/0x2d70
[  397.113806]  ? warn_alloc+0x120/0x120
[  397.117607]  ? rcu_softirq_qs+0x20/0x20
[  397.121616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.127163]  ? should_fail+0x22d/0xd01
[  397.131060]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.136176]  ? zap_class+0x640/0x640
[  397.139922]  ? __lock_is_held+0xb5/0x140
[  397.144003]  ? mark_held_locks+0x130/0x130
[  397.148245]  ? lock_release+0xa00/0xa00
[  397.152222]  ? perf_trace_sched_process_exec+0x860/0x860
[  397.157687]  ? __might_sleep+0x95/0x190
[  397.161669]  __alloc_pages_nodemask+0xa80/0xde0
[  397.166345]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  397.171365]  ? __page_cache_alloc+0x191/0x5c0
[  397.175868]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.180795]  ? kasan_check_read+0x11/0x20
[  397.184949]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.190230]  ? zap_class+0x640/0x640
[  397.193963]  ? zap_class+0x640/0x640
[  397.197680]  ? zap_class+0x640/0x640
[  397.201395]  ? __do_page_cache_readahead+0x7ce/0x980
[  397.206504]  ? find_held_lock+0x36/0x1c0
[  397.210572]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  397.216117]  alloc_pages_current+0x173/0x350
[  397.220539]  __page_cache_alloc+0x38c/0x5c0
[  397.224866]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.229795]  ? kasan_check_read+0x11/0x20
[  397.233948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.239228]  ? generic_perform_write+0x6a0/0x6a0
[  397.243988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.249526]  ? check_preemption_disabled+0x48/0x280
[  397.254554]  filemap_fault+0x1594/0x25f0
[  397.258631]  ? __lock_page_or_retry+0xa00/0xa00
[  397.263308]  ? mark_held_locks+0x130/0x130
[  397.267558]  ? rcu_softirq_qs+0x20/0x20
[  397.271548]  ? filemap_map_pages+0xe04/0x1990
[  397.276051]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.280640]  ? __free_object+0x173/0x340
[  397.284704]  ? debug_object_free+0x36f/0x690
[  397.289132]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  397.294076]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.299183]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  397.303863]  ? queue_work_on+0x12c/0x1e0
[  397.307934]  ? debug_object_free+0x36f/0x690
[  397.312344]  ? kasan_check_read+0x11/0x20
[  397.316498]  ? debug_object_destroy+0x2b0/0x2b0
[  397.321169]  ? lock_pi_update_atomic+0x150/0x150
[  397.325930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.331473]  ? __hrtimer_init+0xdb/0x240
[  397.335549]  ? lock_acquire+0x1ed/0x520
[  397.339532]  ? ext4_filemap_fault+0x7a/0xad
[  397.343865]  ? lock_release+0xa00/0xa00
[  397.347843]  ? perf_trace_sched_process_exec+0x860/0x860
[  397.353298]  ? print_usage_bug+0xc0/0xc0
[  397.357364]  ? print_usage_bug+0xc0/0xc0
[  397.361462]  ? down_read+0x8d/0x120
[  397.365090]  ? ext4_filemap_fault+0x7a/0xad
[  397.369415]  ? __down_interruptible+0x700/0x700
[  397.374100]  ext4_filemap_fault+0x82/0xad
[  397.378257]  __do_fault+0x100/0x6b0
[  397.381889]  ? pmd_devmap_trans_unstable+0x220/0x220
[  397.386997]  ? mark_held_locks+0x130/0x130
[  397.391244]  ? mark_held_locks+0x130/0x130
[  397.395490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.401032]  __handle_mm_fault+0x307c/0x5920
[  397.405436]  ? perf_trace_lock+0x7a0/0x7a0
[  397.409695]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  397.414548]  ? __switch_to_asm+0x34/0x70
[  397.418610]  ? __switch_to_asm+0x34/0x70
[  397.422683]  ? zap_class+0x640/0x640
[  397.426395]  ? zap_class+0x640/0x640
[  397.430111]  ? __x64_sys_futex+0x53e/0x6a0
[  397.434358]  ? find_held_lock+0x36/0x1c0
[  397.438428]  ? handle_mm_fault+0x42a/0xc70
[  397.442668]  ? lock_downgrade+0x900/0x900
[  397.446820]  ? check_preemption_disabled+0x48/0x280
[  397.451843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.456784]  ? kasan_check_read+0x11/0x20
[  397.460964]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.466268]  ? rcu_softirq_qs+0x20/0x20
[  397.470245]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.475349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.481027]  ? check_preemption_disabled+0x48/0x280
[  397.486052]  handle_mm_fault+0x54f/0xc70
[  397.490120]  ? __handle_mm_fault+0x5920/0x5920
[  397.494711]  ? find_vma+0x34/0x190
[  397.498258]  __do_page_fault+0x5e8/0xe60
[  397.502346]  ? trace_hardirqs_off+0xb8/0x310
[  397.506767]  do_page_fault+0xf2/0x7e0
[  397.510571]  ? vmalloc_sync_all+0x30/0x30
[  397.514726]  ? error_entry+0x70/0xd0
[  397.518443]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.523459]  ? trace_hardirqs_on_caller+0xc0/0x310
[  397.528394]  ? syscall_return_slowpath+0x5e0/0x5e0
[  397.533330]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.538173]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.543193]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.548649]  ? prepare_exit_to_usermode+0x291/0x3b0
[  397.553669]  ? page_fault+0x8/0x30
[  397.557219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.562068]  ? page_fault+0x8/0x30
[  397.565617]  page_fault+0x1e/0x30
[  397.569069] RIP: 0033:0x45ddf3
[  397.572283] Code: Bad RIP value.
[  397.575645] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  397.581012] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  397.588277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  397.595542] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  397.602810] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  397.610081] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  397.617375] warn_alloc_show_mem: 1 callbacks suppressed
[  397.617387] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  397.617390] Mem-Info:
[  397.617421] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  397.617421]  active_file:15 inactive_file:12 isolated_file:0
[  397.617421]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.617421]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  397.617421]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  397.617421]  free:13694 free_pcp:0 free_cma:0
[  397.622776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.629710] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  397.632118] Call Trace:
[  397.665007] Node 0 
[  397.674356]  <IRQ>
[  397.702052] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  397.704617]  dump_stack+0x244/0x39d
[  397.706821] lowmem_reserve[]: 0
[  397.708980]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.734454]  2819 6323
[  397.738099]  warn_alloc.cold.117+0xb7/0x1bd
[  397.741343]  6323
[  397.746543]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.749023] Node 0 
[  397.753341]  ? lock_downgrade+0x900/0x900
[  397.755413] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  397.760234]  ? trace_hardirqs_off+0xb8/0x310
[  397.762447] lowmem_reserve[]:
[  397.766593]  ? trace_hardirqs_off+0xb8/0x310
[  397.793296]  0 0
[  397.797730]  __alloc_pages_slowpath+0x2660/0x2d70
[  397.800798]  3503 3503
[  397.805242]  ? warn_alloc+0x120/0x120
[  397.812016]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  397.814492] Node 0 
[  397.818294]  ? warn_alloc+0x120/0x120
[  397.823317] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  397.825533]  ? print_usage_bug+0xc0/0xc0
[  397.829313] lowmem_reserve[]:
[  397.857601]  ? warn_alloc+0x120/0x120
[  397.861646]  0
[  397.864751]  ? print_usage_bug+0xc0/0xc0
[  397.868528]  0
[  397.870336]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  397.874372]  0
[  397.876183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.881351]  0
[  397.883165]  ? should_fail+0x22d/0xd01
[  397.890482]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.894348] Node 0 DMA: 
[  397.899453]  ? __lock_acquire+0x62f/0x4c20
[  397.899472]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.902126] 1*4kB 
[  397.906365]  ? should_fail+0x22d/0xd01
[  397.911449] (U) 
[  397.913602]  ? mark_held_locks+0x130/0x130
[  397.917463] 0*8kB 
[  397.919440]  ? mark_held_locks+0x130/0x130
[  397.923649] 0*16kB 
[  397.925798]  ? print_usage_bug+0xc0/0xc0
[  397.930019] 1*32kB 
[  397.932257]  ? find_held_lock+0x36/0x1c0
[  397.936298] (U) 
[  397.938531]  ? zap_class+0x640/0x640
[  397.942573] 2*64kB 
[  397.944546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.948236] (U) 
[  397.950475]  ? check_preemption_disabled+0x48/0x280
[  397.955987] 1*128kB (U) 
[  397.957984]  ? __lock_is_held+0xb5/0x140
[  397.962971] 1*256kB 
[  397.965647]  __alloc_pages_nodemask+0xa80/0xde0
[  397.969684] (U) 
[  397.972004]  ? zap_class+0x640/0x640
[  397.976660] 0*512kB 
[  397.978633]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  397.982327] 1*1024kB 
[  397.984656]  ? find_held_lock+0x36/0x1c0
[  397.989649] (U) 
[  397.992062]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.996101] 1*2048kB 
[  397.998075]  ? lock_downgrade+0x900/0x900
[  398.002727] (M) 
[  398.005146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.009263] 3*4096kB 
[  398.011242]  cache_grow_begin+0xa5/0x8c0
[  398.016754] (M) 
[  398.019170]  ? do_raw_spin_unlock+0xa7/0x330
[  398.023206] = 15908kB
[  398.025184]  fallback_alloc+0x204/0x2e0
[  398.029574] Node 0 
[  398.031989]  ____cache_alloc_node+0x1c7/0x1e0
[  398.035935] DMA32: 
[  398.038178]  kmem_cache_alloc_node+0xe3/0x730
[  398.042655] 2*4kB 
[  398.044888]  ? mark_held_locks+0xc7/0x130
[  398.049360] (M) 
[  398.051515]  __alloc_skb+0x119/0x770
[  398.055639] 3*8kB 
[  398.057616]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.061306] (UM) 
[  398.063458]  ? do_raw_spin_trylock+0x270/0x270
[  398.067843] 3*16kB 
[  398.069905]  ? kmem_cache_alloc_trace+0x353/0x750
[  398.074467] (UM) 
[  398.076707]  ? queue_work_on+0x12c/0x1e0
[  398.081528] 4*32kB 
[  398.083595]  ? switchdev_port_obj_del+0xdc/0x440
[  398.087633] (UM) 
[  398.089867]  ? switchdev_trans_item_enqueue+0x260/0x260
[  398.094607] 5*64kB 
[  398.096668]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  398.102007] (UM) 
[  398.104248]  __br_mdb_notify+0x4ff/0x15d0
[  398.109249] 4*128kB 
[  398.111323]  ? __br_mdb_add+0x7f0/0x7f0
[  398.115443] (M) 
[  398.117776]  ? zap_class+0x640/0x640
[  398.121723] 5*256kB 
[  398.123702]  ? br_multicast_group_expired+0x96/0x610
[  398.127391] (UM) 
[  398.129717]  ? lock_downgrade+0x900/0x900
[  398.134803] 5*512kB 
[  398.136865]  br_mdb_notify+0x310/0x410
[  398.140987] (UM) 
[  398.143309]  ? br_mdb_dump+0x27b0/0x27b0
[  398.147177] 4*1024kB (UM) 
[  398.149248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.153286] 2*2048kB 
[  398.156144]  br_multicast_group_expired+0x1bc/0x610
[  398.161643] (M) 
[  398.164068]  ? br_mdb_free+0x80/0x80
[  398.169050] 3*4096kB 
[  398.171033]  call_timer_fn+0x272/0x920
[  398.174713] (M) 
[  398.177121]  ? br_mdb_free+0x80/0x80
[  398.180992] = 25360kB
[  398.182968]  ? process_timeout+0x40/0x40
[  398.186658] Node 0 
[  398.189073]  ? __run_timers+0x7da/0xc70
[  398.193106] Normal: 
[  398.195346]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.199299] 783*4kB 
[  398.201623]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.206093] (UMEH) 
[  398.208413]  ? br_mdb_free+0x80/0x80
[  398.212887] 379*8kB 
[  398.215120]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.218809] (MEH) 
[  398.221129]  ? trace_hardirqs_on+0xbd/0x310
[  398.225687] 205*16kB (UMEH) 
[  398.227845]  ? kasan_check_read+0x11/0x20
[  398.232141] 93*32kB (UMEH) 
[  398.235178]  ? __run_timers+0x7da/0xc70
[  398.239306] 24*64kB 
[  398.242237]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.246188] (UMH) 
[  398.248514]  ? br_mdb_free+0x80/0x80
[  398.253599] 1*128kB 
[  398.255768]  ? br_mdb_free+0x80/0x80
[  398.259459] (H) 
[  398.261782]  __run_timers+0x7e5/0xc70
[  398.265472] 0*256kB 
[  398.267460]  ? timer_fixup_init+0x70/0x70
[  398.271234] 0*512kB 
[  398.273558]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.277684] 0*1024kB 
[  398.280002]  ? zap_class+0x640/0x640
[  398.284998] 0*2048kB 
[  398.287411]  ? enqueue_hrtimer+0x1a5/0x560
[  398.291099] 0*4096kB 
[  398.293507]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.297720] = 14084kB
[  398.300129]  ? find_held_lock+0x36/0x1c0
[  398.305304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  398.307719]  ? zap_class+0x640/0x640
[  398.311762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  398.320594]  ? pvclock_read_flags+0x160/0x160
[  398.324285] 1070 total pagecache pages
[  398.332859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.337345] 0 pages in swap cache
[  398.341224]  ? check_preemption_disabled+0x48/0x280
[  398.346743] Swap cache stats: add 0, delete 0, find 0/0
[  398.350198]  ? __lock_is_held+0xb5/0x140
[  398.355187] Free swap  = 0kB
[  398.360544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.364585] Total swap = 0kB
[  398.367600]  ? check_preemption_disabled+0x48/0x280
[  398.373119] 1965979 pages RAM
[  398.376164]  run_timer_softirq+0x52/0xb0
[  398.381142] 0 pages HighMem/MovableOnly
[  398.381151] 342293 pages reserved
[  398.384253]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.388291] 0 pages cma reserved
[  398.392267]  __do_softirq+0x308/0xb7e
[  398.395777] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.400708]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.404112] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.407856]  ? lock_downgrade+0x900/0x900
[  398.414339] syz-fuzzer cpuset=
[  398.418837]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.429036] /
[  398.433185]  ? pvclock_read_flags+0x160/0x160
[  398.436357]  mems_allowed=0
[  398.441463]  ? lapic_next_event+0x5a/0x90
[  398.454699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.460250]  ? kvm_clock_read+0x18/0x30
[  398.464230]  ? kvm_sched_clock_read+0x9/0x20
[  398.468641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.474181]  ? check_preemption_disabled+0x48/0x280
[  398.479210]  irq_exit+0x17f/0x1c0
[  398.482669]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.487514]  ? smp_reschedule_interrupt+0x109/0x650
[  398.492539]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.498450]  ? interrupt_entry+0xb5/0xc0
[  398.502517]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.507536]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.512555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.517401]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.522423]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.527469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.532326]  apic_timer_interrupt+0xf/0x20
[  398.536560]  </IRQ>
[  398.538799] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  398.543729] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  398.562636] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  398.570354] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  398.577626] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  398.584894] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  398.592326] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  398.599606] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  398.606923]  skb_clone+0x1bb/0x500
[  398.610465]  ? finish_task_switch+0x1b4/0x910
[  398.614966]  ? skb_split+0x11e0/0x11e0
[  398.618861]  ? preempt_notifier_register+0x200/0x200
[  398.623964]  ? __switch_to_asm+0x34/0x70
[  398.628027]  ? __switch_to_asm+0x34/0x70
[  398.632086]  ? __switch_to_asm+0x40/0x70
[  398.636150]  ? __switch_to_asm+0x34/0x70
[  398.640211]  ? __switch_to_asm+0x40/0x70
[  398.644270]  ? __switch_to_asm+0x34/0x70
[  398.648333]  ? __switch_to_asm+0x40/0x70
[  398.652394]  ? __switch_to_asm+0x34/0x70
[  398.656462]  ? __switch_to_asm+0x34/0x70
[  398.660525]  ? __switch_to_asm+0x40/0x70
[  398.664589]  ? __switch_to_asm+0x34/0x70
[  398.668660]  bpf_clone_redirect+0xb9/0x490
[  398.672901]  ? __schedule+0x8d7/0x21d0
[  398.676796]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  398.681820]  ? __sched_text_start+0x8/0x8
[  398.685980]  ? find_held_lock+0x36/0x1c0
[  398.690050]  ? lock_acquire+0x1ed/0x520
[  398.694024]  ? bpf_test_run+0x3cb/0x780
[  398.698001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.703538]  ? check_preemption_disabled+0x48/0x280
[  398.708561]  ? kasan_check_read+0x11/0x20
[  398.712712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.717992]  ? rcu_softirq_qs+0x20/0x20
[  398.721978]  ? preempt_schedule+0x4d/0x60
[  398.726129]  ? ___preempt_schedule+0x16/0x18
[  398.730548]  ? bpf_test_run+0x25d/0x780
[  398.734536]  ? netlink_diag_dump+0x2a0/0x2a0
[  398.738948]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.744486]  ? bpf_test_init.isra.10+0x70/0x100
[  398.749159]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  398.753923]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  398.758767]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  398.764308]  ? fput+0x130/0x1a0
[  398.767597]  ? __bpf_prog_get+0x9b/0x290
[  398.771663]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  398.776511]  ? bpf_prog_test_run+0x130/0x1a0
[  398.780929]  ? __x64_sys_bpf+0x3d8/0x520
[  398.784997]  ? bpf_prog_get+0x20/0x20
[  398.788821]  ? do_syscall_64+0x1b9/0x820
[  398.792881]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  398.798249]  ? syscall_return_slowpath+0x5e0/0x5e0
[  398.803183]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.808204]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  398.813222]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  398.819891]  ? __switch_to_asm+0x40/0x70
[  398.823952]  ? __switch_to_asm+0x34/0x70
[  398.828023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.832880]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  398.838266] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  398.838450] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.844863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.855335] syz-executor1 cpuset=
[  398.864678] Call Trace:
[  398.864688] syz1
[  398.868131]  <IRQ>
[  398.870708]  mems_allowed=0
[  398.872685]  dump_stack+0x244/0x39d
[  398.881354]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.886559]  warn_alloc.cold.117+0xb7/0x1bd
[  398.890889]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.895740]  ? lock_downgrade+0x900/0x900
[  398.899896]  ? trace_hardirqs_off+0xb8/0x310
[  398.904318]  ? trace_hardirqs_off+0xb8/0x310
[  398.908734]  __alloc_pages_slowpath+0x2660/0x2d70
[  398.913609]  ? warn_alloc+0x120/0x120
[  398.917418]  ? warn_alloc+0x120/0x120
[  398.921225]  ? print_usage_bug+0xc0/0xc0
[  398.925293]  ? warn_alloc+0x120/0x120
[  398.929096]  ? print_usage_bug+0xc0/0xc0
[  398.933338]  ? __lock_acquire+0x62f/0x4c20
[  398.937574]  ? __lock_acquire+0x62f/0x4c20
[  398.941820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.947359]  ? should_fail+0x22d/0xd01
[  398.951253]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.956362]  ? __lock_acquire+0x62f/0x4c20
[  398.960605]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.965719]  ? __lock_acquire+0x62f/0x4c20
[  398.969959]  ? should_fail+0x22d/0xd01
[  398.973849]  ? find_held_lock+0x36/0x1c0
[  398.977922]  ? mark_held_locks+0x130/0x130
[  398.982180]  ? mark_held_locks+0x130/0x130
[  398.986413]  ? zap_class+0x640/0x640
[  398.990133]  ? zap_class+0x640/0x640
[  398.993870]  ? print_usage_bug+0xc0/0xc0
[  398.997939]  ? do_raw_spin_unlock+0xa7/0x330
[  399.002347]  ? zap_class+0x640/0x640
[  399.006061]  ? print_usage_bug+0xc0/0xc0
[  399.010130]  ? wq_watchdog_touch+0x9c/0xfe
[  399.014376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.019912]  ? check_preemption_disabled+0x48/0x280
[  399.024952]  ? __lock_is_held+0xb5/0x140
[  399.029045]  __alloc_pages_nodemask+0xa80/0xde0
[  399.033711]  ? zap_class+0x640/0x640
[  399.037432]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  399.042492]  ? find_held_lock+0x36/0x1c0
[  399.046567]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.051244]  ? lock_downgrade+0x900/0x900
[  399.055404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.060951]  cache_grow_begin+0xa5/0x8c0
[  399.065017]  ? do_raw_spin_unlock+0xa7/0x330
[  399.069439]  fallback_alloc+0x204/0x2e0
[  399.073424]  ____cache_alloc_node+0x1c7/0x1e0
[  399.077932]  kmem_cache_alloc_node+0xe3/0x730
[  399.082428]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.086680]  __alloc_skb+0x119/0x770
[  399.090396]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.095681]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.100092]  ? lock_downgrade+0x900/0x900
[  399.104254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.109795]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.115255]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.120711]  ? addrconf_rs_timer+0x690/0x690
[  399.125147]  ndisc_alloc_skb+0x144/0x340
[  399.129219]  ndisc_send_rs+0x331/0x6e0
[  399.133114]  addrconf_rs_timer+0x314/0x690
[  399.137362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.141612]  call_timer_fn+0x272/0x920
[  399.145500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.149739]  ? process_timeout+0x40/0x40
[  399.153811]  ? mark_held_locks+0xc7/0x130
[  399.157968]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.162466]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.166964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.171198]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.175781]  ? trace_hardirqs_on+0xbd/0x310
[  399.180108]  ? kasan_check_read+0x11/0x20
[  399.184267]  ? __run_timers+0x7da/0xc70
[  399.188247]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.193362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.197602]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.201838]  __run_timers+0x7e5/0xc70
[  399.205656]  ? timer_fixup_init+0x70/0x70
[  399.209805]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  399.214822]  ? zap_class+0x640/0x640
[  399.218546]  ? print_usage_bug+0xc0/0xc0
[  399.222613]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  399.227811]  ? find_held_lock+0x36/0x1c0
[  399.231880]  ? zap_class+0x640/0x640
[  399.235600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.241146]  ? check_preemption_disabled+0x48/0x280
[  399.246178]  ? __lock_is_held+0xb5/0x140
[  399.250241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.255779]  ? check_preemption_disabled+0x48/0x280
[  399.260809]  run_timer_softirq+0x52/0xb0
[  399.264870]  ? rcu_read_lock_sched_held+0x14f/0x180
[  399.269892]  __do_softirq+0x308/0xb7e
[  399.273704]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  399.278200]  ? lock_downgrade+0x900/0x900
[  399.282360]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  399.287473]  ? pvclock_read_flags+0x160/0x160
[  399.291975]  ? lapic_next_event+0x5a/0x90
[  399.296128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.301686]  ? kvm_clock_read+0x18/0x30
[  399.305667]  ? kvm_sched_clock_read+0x9/0x20
[  399.310084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.315627]  ? check_preemption_disabled+0x48/0x280
[  399.320661]  irq_exit+0x17f/0x1c0
[  399.324132]  smp_apic_timer_interrupt+0x1cb/0x760
[  399.328994]  ? smp_call_function_single_interrupt+0x650/0x650
[  399.334885]  ? interrupt_entry+0xb5/0xc0
[  399.338994]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.344014]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.349034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.353880]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.358894]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.363920]  ? task_prio+0x50/0x50
[  399.367471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.373009]  ? check_preemption_disabled+0x48/0x280
[  399.378047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.382907]  apic_timer_interrupt+0xf/0x20
[  399.387151]  </IRQ>
[  399.389392] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  399.394500] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  399.413401] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  399.421110] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  399.428383] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  399.435651] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  399.442918] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  399.450196] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  399.457500]  shrink_active_list+0x67b/0x1c20
[  399.461915]  ? free_unref_page_list+0xd1b/0x11e0
[  399.466701]  ? shrink_inactive_list+0xa4a/0x1c60
[  399.471460]  ? zap_class+0x60f/0x640
[  399.475177]  ? shrink_inactive_list+0x1c60/0x1c60
[  399.480198]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.484695]  ? find_held_lock+0x36/0x1c0
[  399.488761]  ? __page_frag_cache_drain+0x200/0x200
[  399.493695]  ? print_usage_bug+0xc0/0xc0
[  399.497775]  ? find_held_lock+0x36/0x1c0
[  399.501850]  ? zap_class+0x640/0x640
[  399.505570]  ? mark_held_locks+0xc7/0x130
[  399.509729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.515269]  ? check_preemption_disabled+0x48/0x280
[  399.520297]  ? zap_class+0x640/0x640
[  399.524016]  ? __lock_is_held+0xb5/0x140
[  399.528080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.533623]  ? check_preemption_disabled+0x48/0x280
[  399.538662]  ? __lock_is_held+0xb5/0x140
[  399.542740]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  399.547761]  ? inactive_list_is_low+0x305/0x880
[  399.552440]  ? lruvec_lru_size+0x450/0x450
[  399.556686]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.561625]  ? rcu_softirq_qs+0x20/0x20
[  399.565611]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  399.570554]  shrink_node_memcg+0x803/0x18f0
[  399.574893]  ? shrink_active_list+0x1c20/0x1c20
[  399.579571]  ? lock_downgrade+0x900/0x900
[  399.583726]  ? check_flush_dependency+0x410/0x410
[  399.588574]  ? kasan_check_read+0x11/0x20
[  399.592734]  ? ___preempt_schedule+0x16/0x18
[  399.597153]  ? _raw_spin_unlock+0x3f/0x50
[  399.601311]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  399.606505]  shrink_node+0x3bc/0x16b0
[  399.610331]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  399.615646]  ? shrink_node_memcg+0x18f0/0x18f0
[  399.620231]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.624823]  ? trace_hardirqs_on+0xbd/0x310
[  399.629169]  ? vmpressure+0x271/0x340
[  399.632983]  ? do_raw_spin_trylock+0x270/0x270
[  399.637573]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  399.643114]  ? __cpuset_node_allowed+0x19b/0x660
[  399.647895]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  399.653611]  ? vmpressure+0x1a2/0x340
[  399.657424]  do_try_to_free_pages+0x3e7/0x1290
[  399.662004]  ? zap_class+0x640/0x640
[  399.665735]  ? shrink_node+0x16b0/0x16b0
[  399.669801]  ? __lock_is_held+0xb5/0x140
[  399.673879]  try_to_free_pages+0x4d0/0xb90
[  399.678119]  ? do_try_to_free_pages+0x1290/0x1290
[  399.682962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.688524]  ? lock_acquire+0x1ed/0x520
[  399.692501]  ? set_page_refcounted+0x280/0x280
[  399.697096]  ? lock_release+0xa00/0xa00
[  399.701084]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.706555]  __alloc_pages_slowpath+0x9c4/0x2d70
[  399.711346]  ? warn_alloc+0x120/0x120
[  399.715171]  ? rcu_softirq_qs+0x20/0x20
[  399.719176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.724719]  ? should_fail+0x22d/0xd01
[  399.728614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.733726]  ? zap_class+0x640/0x640
[  399.737470]  ? __lock_is_held+0xb5/0x140
[  399.741553]  ? mark_held_locks+0x130/0x130
[  399.745798]  ? lock_release+0xa00/0xa00
[  399.749781]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.755250]  ? __might_sleep+0x95/0x190
[  399.759231]  __alloc_pages_nodemask+0xa80/0xde0
[  399.763920]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  399.768951]  ? __page_cache_alloc+0x191/0x5c0
[  399.773447]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.778377]  ? kasan_check_read+0x11/0x20
[  399.782531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.787817]  ? zap_class+0x640/0x640
[  399.791541]  ? zap_class+0x640/0x640
[  399.795252]  ? zap_class+0x640/0x640
[  399.798967]  ? __do_page_cache_readahead+0x7ce/0x980
[  399.804077]  ? find_held_lock+0x36/0x1c0
[  399.808149]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  399.813695]  alloc_pages_current+0x173/0x350
[  399.818126]  __page_cache_alloc+0x38c/0x5c0
[  399.822468]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.827398]  ? kasan_check_read+0x11/0x20
[  399.831550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.836829]  ? generic_perform_write+0x6a0/0x6a0
[  399.841586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.847125]  ? check_preemption_disabled+0x48/0x280
[  399.852152]  filemap_fault+0x1594/0x25f0
[  399.856232]  ? __lock_page_or_retry+0xa00/0xa00
[  399.860906]  ? mark_held_locks+0x130/0x130
[  399.865149]  ? rcu_softirq_qs+0x20/0x20
[  399.869151]  ? filemap_map_pages+0xe04/0x1990
[  399.873654]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.878241]  ? __free_object+0x173/0x340
[  399.882303]  ? debug_object_free+0x36f/0x690
[  399.886713]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  399.891643]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.896752]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  399.901431]  ? queue_work_on+0x12c/0x1e0
[  399.905535]  ? debug_object_free+0x36f/0x690
[  399.909957]  ? kasan_check_read+0x11/0x20
[  399.914134]  ? debug_object_destroy+0x2b0/0x2b0
[  399.918806]  ? lock_pi_update_atomic+0x150/0x150
[  399.923566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.929106]  ? __hrtimer_init+0xdb/0x240
[  399.933185]  ? lock_acquire+0x1ed/0x520
[  399.937162]  ? ext4_filemap_fault+0x7a/0xad
[  399.941497]  ? lock_release+0xa00/0xa00
[  399.945474]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.950937]  ? print_usage_bug+0xc0/0xc0
[  399.955015]  ? print_usage_bug+0xc0/0xc0
[  399.959105]  ? down_read+0x8d/0x120
[  399.962764]  ? ext4_filemap_fault+0x7a/0xad
[  399.967099]  ? __down_interruptible+0x700/0x700
[  399.971782]  ext4_filemap_fault+0x82/0xad
[  399.975940]  __do_fault+0x100/0x6b0
[  399.979578]  ? pmd_devmap_trans_unstable+0x220/0x220
[  399.984684]  ? mark_held_locks+0x130/0x130
[  399.988923]  ? mark_held_locks+0x130/0x130
[  399.993183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.998726]  __handle_mm_fault+0x307c/0x5920
[  400.003134]  ? perf_trace_lock+0x7a0/0x7a0
[  400.007384]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  400.012240]  ? __switch_to_asm+0x34/0x70
[  400.016304]  ? __switch_to_asm+0x34/0x70
[  400.020381]  ? zap_class+0x640/0x640
[  400.024093]  ? zap_class+0x640/0x640
[  400.027821]  ? __x64_sys_futex+0x53e/0x6a0
[  400.032064]  ? find_held_lock+0x36/0x1c0
[  400.036148]  ? handle_mm_fault+0x42a/0xc70
[  400.040426]  ? lock_downgrade+0x900/0x900
[  400.044575]  ? check_preemption_disabled+0x48/0x280
[  400.049601]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  400.054529]  ? kasan_check_read+0x11/0x20
[  400.058684]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.063969]  ? rcu_softirq_qs+0x20/0x20
[  400.067949]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.073056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.078593]  ? check_preemption_disabled+0x48/0x280
[  400.083617]  handle_mm_fault+0x54f/0xc70
[  400.087686]  ? __handle_mm_fault+0x5920/0x5920
[  400.092277]  ? find_vma+0x34/0x190
[  400.095822]  __do_page_fault+0x5e8/0xe60
[  400.099883]  ? trace_hardirqs_off+0xb8/0x310
[  400.104304]  do_page_fault+0xf2/0x7e0
[  400.108105]  ? vmalloc_sync_all+0x30/0x30
[  400.112268]  ? error_entry+0x70/0xd0
[  400.115982]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.120994]  ? trace_hardirqs_on_caller+0xc0/0x310
[  400.125954]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.130883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.135725]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.140741]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  400.146197]  ? prepare_exit_to_usermode+0x291/0x3b0
[  400.151216]  ? page_fault+0x8/0x30
[  400.154766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.159615]  ? page_fault+0x8/0x30
[  400.163168]  page_fault+0x1e/0x30
[  400.166624] RIP: 0033:0x45ddf3
[  400.169829] Code: Bad RIP value.
[  400.173191] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  400.178554] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  400.185820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  400.193097] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  400.200379] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  400.207648] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  400.214945] warn_alloc_show_mem: 1 callbacks suppressed
[  400.214957] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  400.214959] Mem-Info:
[  400.214989] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  400.214989]  active_file:15 inactive_file:12 isolated_file:0
[  400.214989]  unevictable:0 dirty:0 writeback:0 unstable:0
[  400.214989]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  400.214989]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  400.214989]  free:13694 free_pcp:0 free_cma:0
[  400.220330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.220340] Call Trace:
[  400.227284] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  400.229692]  <IRQ>
[  400.262573] Node 0 
[  400.271953]  dump_stack+0x244/0x39d
[  400.274543] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  400.302197]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.304323] lowmem_reserve[]:
[  400.306569]  warn_alloc.cold.117+0xb7/0x1bd
[  400.310172]  0
[  400.335674]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.340842]  2819
[  400.343956]  ? lock_downgrade+0x900/0x900
[  400.348252]  6323
[  400.350058]  ? trace_hardirqs_off+0xb8/0x310
[  400.354874]  6323
[  400.356934]  ? trace_hardirqs_off+0xb8/0x310
[  400.363150]  __alloc_pages_slowpath+0x2660/0x2d70
[  400.367610] Node 0 
[  400.369694]  ? warn_alloc+0x120/0x120
[  400.374080] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  400.378898]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  400.381112] lowmem_reserve[]:
[  400.384914]  ? warn_alloc+0x120/0x120
[  400.411614]  0 0
[  400.416649]  ? print_usage_bug+0xc0/0xc0
[  400.419728]  3503
[  400.423527]  ? warn_alloc+0x120/0x120
[  400.425495]  3503
[  400.429552]  ? print_usage_bug+0xc0/0xc0
[  400.435387]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  400.435410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.437449] Node 0 
[  400.441515]  ? should_fail+0x22d/0xd01
[  400.446726] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  400.452235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.454451] lowmem_reserve[]:
[  400.458336]  ? __lock_acquire+0x62f/0x4c20
[  400.486431]  0 0
[  400.491561]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.494641]  0
[  400.498877]  ? should_fail+0x22d/0xd01
[  400.500827]  0
[  400.505946]  ? mark_held_locks+0x130/0x130
[  400.507729] Node 0 
[  400.511622]  ? mark_held_locks+0x130/0x130
[  400.513404] DMA: 
[  400.517643]  ? print_usage_bug+0xc0/0xc0
[  400.519864] 1*4kB 
[  400.524098]  ? find_held_lock+0x36/0x1c0
[  400.526144] (U) 
[  400.530195]  ? zap_class+0x640/0x640
[  400.532325] 0*8kB 
[  400.536391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.538342] 0*16kB 1*32kB 
[  400.542065]  ? check_preemption_disabled+0x48/0x280
[  400.544195] (U) 
[  400.549743]  ? __lock_is_held+0xb5/0x140
[  400.552564] 2*64kB 
[  400.557581]  __alloc_pages_nodemask+0xa80/0xde0
[  400.559539] (U) 
[  400.563606]  ? zap_class+0x640/0x640
[  400.565828] 1*128kB 
[  400.570503]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  400.572462] (U) 
[  400.576185]  ? find_held_lock+0x36/0x1c0
[  400.578480] 1*256kB 
[  400.583504]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.585457] (U) 
[  400.589747]  ? lock_downgrade+0x900/0x900
[  400.592060] 0*512kB 
[  400.596734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.598684] 1*1024kB 
[  400.602839]  cache_grow_begin+0xa5/0x8c0
[  400.605146] (U) 
[  400.610686]  ? do_raw_spin_unlock+0xa7/0x330
[  400.613073] 1*2048kB 
[  400.617135]  fallback_alloc+0x204/0x2e0
[  400.619096] (M) 
[  400.623509]  ____cache_alloc_node+0x1c7/0x1e0
[  400.625901] 3*4096kB 
[  400.629870]  kmem_cache_alloc_node+0xe3/0x730
[  400.631822] (M) 
[  400.636316]  ? mark_held_locks+0xc7/0x130
[  400.638705] = 15908kB
[  400.643200]  __alloc_skb+0x119/0x770
[  400.645157] Node 0 
[  400.649302]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.651684] DMA32: 2*4kB 
[  400.655405]  ? do_raw_spin_trylock+0x270/0x270
[  400.655423]  ? kmem_cache_alloc_trace+0x353/0x750
[  400.657644] (M) 
[  400.662054]  ? queue_work_on+0x12c/0x1e0
[  400.664789] 3*8kB 
[  400.669371]  ? switchdev_port_obj_del+0xdc/0x440
[  400.674189] (UM) 
[  400.676164]  ? switchdev_trans_item_enqueue+0x260/0x260
[  400.680204] 3*16kB 
[  400.682357]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  400.687102] (UM) 
[  400.689170]  __br_mdb_notify+0x4ff/0x15d0
[  400.694511] 4*32kB 
[  400.696754]  ? __br_mdb_add+0x7f0/0x7f0
[  400.701754] (UM) 
[  400.703825]  ? zap_class+0x640/0x640
[  400.707956] 5*64kB 
[  400.710198]  ? br_multicast_group_expired+0x96/0x610
[  400.714178] (UM) 
[  400.716247]  ? lock_downgrade+0x900/0x900
[  400.719944] 4*128kB 
[  400.722185]  br_mdb_notify+0x310/0x410
[  400.727265] (M) 
[  400.729326]  ? br_mdb_dump+0x27b0/0x27b0
[  400.733458] 5*256kB 
[  400.735778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.739642] (UM) 
[  400.741635]  br_multicast_group_expired+0x1bc/0x610
[  400.745675] 5*512kB 
[  400.748008]  ? br_mdb_free+0x80/0x80
[  400.753526] (UM) 
[  400.755598]  call_timer_fn+0x272/0x920
[  400.760594] 4*1024kB 
[  400.762916]  ? br_mdb_free+0x80/0x80
[  400.766622] (UM) 
[  400.768684]  ? process_timeout+0x40/0x40
[  400.772548] 2*2048kB 
[  400.774965]  ? __run_timers+0x7da/0xc70
[  400.778654] (M) 
[  400.780722]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.784760] 3*4096kB 
[  400.787172]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.791123] (M) 
[  400.793102]  ? br_mdb_free+0x80/0x80
[  400.797575] = 25360kB
[  400.800031]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.804472] Node 0 Normal: 783*4kB 
[  400.806956]  ? trace_hardirqs_on+0xbd/0x310
[  400.810646] (UMEH) 
[  400.813054]  ? kasan_check_read+0x11/0x20
[  400.817621] 379*8kB 
[  400.821246]  ? __run_timers+0x7da/0xc70
[  400.825549] (MEH) 
[  400.827787]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.831913] 205*16kB 
[  400.834234]  ? br_mdb_free+0x80/0x80
[  400.838185] (UMEH) 
[  400.840331]  ? br_mdb_free+0x80/0x80
[  400.845417] 93*32kB 
[  400.847834]  __run_timers+0x7e5/0xc70
[  400.851529] (UMEH) 
[  400.853772]  ? timer_fixup_init+0x70/0x70
[  400.857458] 24*64kB 
[  400.859781]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  400.863559] (UMH) 
[  400.865791]  ? zap_class+0x640/0x640
[  400.869917] 1*128kB 
[  400.872240]  ? enqueue_hrtimer+0x1a5/0x560
[  400.877231] (H) 
[  400.879383]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  400.883074] 0*256kB 
[  400.885399]  ? find_held_lock+0x36/0x1c0
[  400.889614] 0*512kB 
[  400.891608]  ? zap_class+0x640/0x640
[  400.896795] 0*1024kB 
[  400.899140]  ? pvclock_read_flags+0x160/0x160
[  400.903209] 0*2048kB 
[  400.905538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.909246] 0*4096kB 
[  400.911652]  ? check_preemption_disabled+0x48/0x280
[  400.916123] = 14084kB
[  400.918539]  ? __lock_is_held+0xb5/0x140
[  400.924055] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  400.926460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.931464] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  400.933866]  ? check_preemption_disabled+0x48/0x280
[  400.937912] 1070 total pagecache pages
[  400.946744]  run_timer_softirq+0x52/0xb0
[  400.952268] 0 pages in swap cache
[  400.960832]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.965838] Swap cache stats: add 0, delete 0, find 0/0
[  400.969721]  __do_softirq+0x308/0xb7e
[  400.973759] Free swap  = 0kB
[  400.973768] Total swap = 0kB
[  400.977220]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  400.982222] 1965979 pages RAM
[  400.987582]  ? lock_downgrade+0x900/0x900
[  400.991366] 0 pages HighMem/MovableOnly
[  400.994385]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.997383] 342293 pages reserved
[  401.001877]  ? pvclock_read_flags+0x160/0x160
[  401.004954] 0 pages cma reserved
[  401.009097]  ? lapic_next_event+0x5a/0x90
[  401.013107] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  401.018140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.018160]  ? kvm_clock_read+0x18/0x30
[  401.018179]  ? kvm_sched_clock_read+0x9/0x20
[  401.021683] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.026129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.029492] syz-fuzzer cpuset=
[  401.033637]  ? check_preemption_disabled+0x48/0x280
[  401.040106] /
[  401.045645]  irq_exit+0x17f/0x1c0
[  401.049594]  mems_allowed=0
[  401.054011]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.090818]  ? smp_reschedule_interrupt+0x109/0x650
[  401.095844]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.101733]  ? interrupt_entry+0xb5/0xc0
[  401.105800]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.110817]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.115838]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.120686]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.125703]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.130733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.135587]  apic_timer_interrupt+0xf/0x20
[  401.139821]  </IRQ>
[  401.142081] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  401.147032] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  401.165944] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  401.173655] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  401.180923] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  401.188195] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  401.195465] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  401.202742] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  401.210048]  skb_clone+0x1bb/0x500
[  401.213590]  ? finish_task_switch+0x1b4/0x910
[  401.218088]  ? skb_split+0x11e0/0x11e0
[  401.221981]  ? preempt_notifier_register+0x200/0x200
[  401.227089]  ? __switch_to_asm+0x34/0x70
[  401.231151]  ? __switch_to_asm+0x34/0x70
[  401.235213]  ? __switch_to_asm+0x40/0x70
[  401.239272]  ? __switch_to_asm+0x34/0x70
[  401.243334]  ? __switch_to_asm+0x40/0x70
[  401.247394]  ? __switch_to_asm+0x34/0x70
[  401.251457]  ? __switch_to_asm+0x40/0x70
[  401.255520]  ? __switch_to_asm+0x34/0x70
[  401.259581]  ? __switch_to_asm+0x34/0x70
[  401.263640]  ? __switch_to_asm+0x40/0x70
[  401.267700]  ? __switch_to_asm+0x34/0x70
[  401.271773]  bpf_clone_redirect+0xb9/0x490
[  401.276012]  ? __schedule+0x8d7/0x21d0
[  401.279910]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  401.284945]  ? __sched_text_start+0x8/0x8
[  401.289109]  ? find_held_lock+0x36/0x1c0
[  401.293179]  ? lock_acquire+0x1ed/0x520
[  401.297159]  ? bpf_test_run+0x3cb/0x780
[  401.301133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.306681]  ? check_preemption_disabled+0x48/0x280
[  401.311704]  ? kasan_check_read+0x11/0x20
[  401.315858]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.321134]  ? rcu_softirq_qs+0x20/0x20
[  401.325112]  ? preempt_schedule+0x4d/0x60
[  401.329271]  ? ___preempt_schedule+0x16/0x18
[  401.333687]  ? bpf_test_run+0x25d/0x780
[  401.337672]  ? netlink_diag_dump+0x2a0/0x2a0
[  401.342086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.347622]  ? bpf_test_init.isra.10+0x70/0x100
[  401.352295]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  401.357065]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  401.361906]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  401.367455]  ? fput+0x130/0x1a0
[  401.370739]  ? __bpf_prog_get+0x9b/0x290
[  401.374803]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  401.379649]  ? bpf_prog_test_run+0x130/0x1a0
[  401.384066]  ? __x64_sys_bpf+0x3d8/0x520
[  401.388135]  ? bpf_prog_get+0x20/0x20
[  401.391957]  ? do_syscall_64+0x1b9/0x820
[  401.396024]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  401.401395]  ? syscall_return_slowpath+0x5e0/0x5e0
[  401.406330]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.411351]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  401.416371]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  401.423045]  ? __switch_to_asm+0x40/0x70
[  401.427107]  ? __switch_to_asm+0x34/0x70
[  401.431176]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.436047]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  401.441430] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  401.441587] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.448021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.458510] syz-executor1 cpuset=
[  401.467852] Call Trace:
[  401.467862] syz1
[  401.471300]  <IRQ>
[  401.473874]  mems_allowed=0
[  401.475845]  dump_stack+0x244/0x39d
[  401.484677]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.489885]  warn_alloc.cold.117+0xb7/0x1bd
[  401.494213]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.499064]  ? lock_downgrade+0x900/0x900
[  401.503252]  ? trace_hardirqs_off+0xb8/0x310
[  401.507688]  ? trace_hardirqs_off+0xb8/0x310
[  401.512108]  __alloc_pages_slowpath+0x2660/0x2d70
[  401.516993]  ? warn_alloc+0x120/0x120
[  401.520805]  ? warn_alloc+0x120/0x120
[  401.524612]  ? print_usage_bug+0xc0/0xc0
[  401.528677]  ? warn_alloc+0x120/0x120
[  401.532481]  ? print_usage_bug+0xc0/0xc0
[  401.536546]  ? __lock_acquire+0x62f/0x4c20
[  401.540785]  ? __lock_acquire+0x62f/0x4c20
[  401.545027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.550567]  ? should_fail+0x22d/0xd01
[  401.554467]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.559577]  ? __lock_acquire+0x62f/0x4c20
[  401.563820]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.568923]  ? __lock_acquire+0x62f/0x4c20
[  401.573164]  ? should_fail+0x22d/0xd01
[  401.577052]  ? find_held_lock+0x36/0x1c0
[  401.581147]  ? mark_held_locks+0x130/0x130
[  401.585389]  ? mark_held_locks+0x130/0x130
[  401.589619]  ? zap_class+0x640/0x640
[  401.593334]  ? zap_class+0x640/0x640
[  401.597056]  ? print_usage_bug+0xc0/0xc0
[  401.601122]  ? do_raw_spin_unlock+0xa7/0x330
[  401.605533]  ? zap_class+0x640/0x640
[  401.609246]  ? print_usage_bug+0xc0/0xc0
[  401.613306]  ? wq_watchdog_touch+0x9c/0xfe
[  401.617543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.623086]  ? check_preemption_disabled+0x48/0x280
[  401.628117]  ? __lock_is_held+0xb5/0x140
[  401.632191]  __alloc_pages_nodemask+0xa80/0xde0
[  401.636861]  ? zap_class+0x640/0x640
[  401.640586]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  401.645614]  ? find_held_lock+0x36/0x1c0
[  401.649685]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.654359]  ? lock_downgrade+0x900/0x900
[  401.658516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.664061]  cache_grow_begin+0xa5/0x8c0
[  401.668125]  ? do_raw_spin_unlock+0xa7/0x330
[  401.672547]  fallback_alloc+0x204/0x2e0
[  401.676531]  ____cache_alloc_node+0x1c7/0x1e0
[  401.681037]  kmem_cache_alloc_node+0xe3/0x730
[  401.685535]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.689784]  __alloc_skb+0x119/0x770
[  401.693505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.698786]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.703194]  ? lock_downgrade+0x900/0x900
[  401.707361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.712901]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.718361]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.723812]  ? addrconf_rs_timer+0x690/0x690
[  401.728239]  ndisc_alloc_skb+0x144/0x340
[  401.732309]  ndisc_send_rs+0x331/0x6e0
[  401.736201]  addrconf_rs_timer+0x314/0x690
[  401.740455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.744712]  call_timer_fn+0x272/0x920
[  401.748603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.752842]  ? process_timeout+0x40/0x40
[  401.756913]  ? mark_held_locks+0xc7/0x130
[  401.761076]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.765577]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.770072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.774312]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.778900]  ? trace_hardirqs_on+0xbd/0x310
[  401.783228]  ? kasan_check_read+0x11/0x20
[  401.787376]  ? __run_timers+0x7da/0xc70
[  401.791348]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.796458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.800697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.804940]  __run_timers+0x7e5/0xc70
[  401.808758]  ? timer_fixup_init+0x70/0x70
[  401.812907]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.817940]  ? zap_class+0x640/0x640
[  401.821660]  ? print_usage_bug+0xc0/0xc0
[  401.825727]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.830925]  ? find_held_lock+0x36/0x1c0
[  401.834998]  ? zap_class+0x640/0x640
[  401.838717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.844253]  ? check_preemption_disabled+0x48/0x280
[  401.849305]  ? __lock_is_held+0xb5/0x140
[  401.853370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.858907]  ? check_preemption_disabled+0x48/0x280
[  401.863941]  run_timer_softirq+0x52/0xb0
[  401.868004]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.873031]  __do_softirq+0x308/0xb7e
[  401.876843]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.881898]  ? lock_downgrade+0x900/0x900
[  401.886058]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.891176]  ? pvclock_read_flags+0x160/0x160
[  401.895674]  ? lapic_next_event+0x5a/0x90
[  401.899827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.905372]  ? kvm_clock_read+0x18/0x30
[  401.909344]  ? kvm_sched_clock_read+0x9/0x20
[  401.913774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.919338]  ? check_preemption_disabled+0x48/0x280
[  401.924372]  irq_exit+0x17f/0x1c0
[  401.927833]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.932682]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.938574]  ? interrupt_entry+0xb5/0xc0
[  401.942641]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.947655]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.952679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.957526]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.962561]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.967585]  ? task_prio+0x50/0x50
[  401.971128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.976681]  ? check_preemption_disabled+0x48/0x280
[  401.981710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.986573]  apic_timer_interrupt+0xf/0x20
[  401.990808]  </IRQ>
[  401.993049] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  401.998162] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  402.017073] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  402.024787] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  402.032061] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  402.039330] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  402.046598] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  402.053866] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  402.061176]  shrink_active_list+0x67b/0x1c20
[  402.065588]  ? free_unref_page_list+0xd1b/0x11e0
[  402.070351]  ? shrink_inactive_list+0xa4a/0x1c60
[  402.075115]  ? zap_class+0x60f/0x640
[  402.078842]  ? shrink_inactive_list+0x1c60/0x1c60
[  402.083700]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.088208]  ? find_held_lock+0x36/0x1c0
[  402.092284]  ? __page_frag_cache_drain+0x200/0x200
[  402.097216]  ? print_usage_bug+0xc0/0xc0
[  402.101296]  ? find_held_lock+0x36/0x1c0
[  402.105362]  ? zap_class+0x640/0x640
[  402.109075]  ? mark_held_locks+0xc7/0x130
[  402.113231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.118774]  ? check_preemption_disabled+0x48/0x280
[  402.123798]  ? zap_class+0x640/0x640
[  402.127515]  ? __lock_is_held+0xb5/0x140
[  402.131578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.137114]  ? check_preemption_disabled+0x48/0x280
[  402.142164]  ? __lock_is_held+0xb5/0x140
[  402.146242]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  402.151261]  ? inactive_list_is_low+0x305/0x880
[  402.155951]  ? lruvec_lru_size+0x450/0x450
[  402.160201]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.165135]  ? rcu_softirq_qs+0x20/0x20
[  402.169129]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  402.174081]  shrink_node_memcg+0x803/0x18f0
[  402.178420]  ? shrink_active_list+0x1c20/0x1c20
[  402.183109]  ? lock_downgrade+0x900/0x900
[  402.187269]  ? check_flush_dependency+0x410/0x410
[  402.192121]  ? kasan_check_read+0x11/0x20
[  402.196298]  ? ___preempt_schedule+0x16/0x18
[  402.200727]  ? _raw_spin_unlock+0x3f/0x50
[  402.204921]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  402.210134]  shrink_node+0x3bc/0x16b0
[  402.213955]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  402.219263]  ? shrink_node_memcg+0x18f0/0x18f0
[  402.223848]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.228433]  ? trace_hardirqs_on+0xbd/0x310
[  402.232757]  ? vmpressure+0x271/0x340
[  402.236572]  ? do_raw_spin_trylock+0x270/0x270
[  402.241168]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  402.246709]  ? __cpuset_node_allowed+0x19b/0x660
[  402.251484]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  402.257202]  ? vmpressure+0x1a2/0x340
[  402.261536]  do_try_to_free_pages+0x3e7/0x1290
[  402.266119]  ? zap_class+0x640/0x640
[  402.269864]  ? shrink_node+0x16b0/0x16b0
[  402.273926]  ? __lock_is_held+0xb5/0x140
[  402.278013]  try_to_free_pages+0x4d0/0xb90
[  402.282257]  ? do_try_to_free_pages+0x1290/0x1290
[  402.287555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.293121]  ? lock_acquire+0x1ed/0x520
[  402.297104]  ? set_page_refcounted+0x280/0x280
[  402.301699]  ? lock_release+0xa00/0xa00
[  402.305686]  ? perf_trace_sched_process_exec+0x860/0x860
[  402.311161]  __alloc_pages_slowpath+0x9c4/0x2d70
[  402.315956]  ? warn_alloc+0x120/0x120
[  402.319758]  ? rcu_softirq_qs+0x20/0x20
[  402.323761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.329301]  ? should_fail+0x22d/0xd01
[  402.333202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.338353]  ? zap_class+0x640/0x640
[  402.342105]  ? __lock_is_held+0xb5/0x140
[  402.346198]  ? mark_held_locks+0x130/0x130
[  402.350440]  ? lock_release+0xa00/0xa00
[  402.354420]  ? perf_trace_sched_process_exec+0x860/0x860
[  402.359904]  ? __might_sleep+0x95/0x190
[  402.363897]  __alloc_pages_nodemask+0xa80/0xde0
[  402.368592]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  402.373613]  ? __page_cache_alloc+0x191/0x5c0
[  402.378110]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.383051]  ? kasan_check_read+0x11/0x20
[  402.387206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.392485]  ? zap_class+0x640/0x640
[  402.396208]  ? zap_class+0x640/0x640
[  402.399922]  ? zap_class+0x640/0x640
[  402.403641]  ? __do_page_cache_readahead+0x7ce/0x980
[  402.408753]  ? find_held_lock+0x36/0x1c0
[  402.412823]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  402.418369]  alloc_pages_current+0x173/0x350
[  402.422790]  __page_cache_alloc+0x38c/0x5c0
[  402.427118]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.432059]  ? kasan_check_read+0x11/0x20
[  402.436209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.441494]  ? generic_perform_write+0x6a0/0x6a0
[  402.446265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.451849]  ? check_preemption_disabled+0x48/0x280
[  402.456893]  filemap_fault+0x1594/0x25f0
[  402.460986]  ? __lock_page_or_retry+0xa00/0xa00
[  402.465665]  ? mark_held_locks+0x130/0x130
[  402.469907]  ? rcu_softirq_qs+0x20/0x20
[  402.473902]  ? filemap_map_pages+0xe04/0x1990
[  402.478412]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.483003]  ? __free_object+0x173/0x340
[  402.487065]  ? debug_object_free+0x36f/0x690
[  402.491477]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  402.496411]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.501522]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  402.506206]  ? queue_work_on+0x12c/0x1e0
[  402.510275]  ? debug_object_free+0x36f/0x690
[  402.514685]  ? kasan_check_read+0x11/0x20
[  402.518835]  ? debug_object_destroy+0x2b0/0x2b0
[  402.523519]  ? lock_pi_update_atomic+0x150/0x150
[  402.528278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.533817]  ? __hrtimer_init+0xdb/0x240
[  402.537889]  ? lock_acquire+0x1ed/0x520
[  402.541878]  ? ext4_filemap_fault+0x7a/0xad
[  402.546216]  ? lock_release+0xa00/0xa00
[  402.550190]  ? perf_trace_sched_process_exec+0x860/0x860
[  402.555644]  ? print_usage_bug+0xc0/0xc0
[  402.559708]  ? print_usage_bug+0xc0/0xc0
[  402.563836]  ? down_read+0x8d/0x120
[  402.567460]  ? ext4_filemap_fault+0x7a/0xad
[  402.571788]  ? __down_interruptible+0x700/0x700
[  402.576468]  ext4_filemap_fault+0x82/0xad
[  402.580622]  __do_fault+0x100/0x6b0
[  402.584253]  ? pmd_devmap_trans_unstable+0x220/0x220
[  402.589836]  ? mark_held_locks+0x130/0x130
[  402.594093]  ? mark_held_locks+0x130/0x130
[  402.598341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.603884]  __handle_mm_fault+0x307c/0x5920
[  402.608290]  ? perf_trace_lock+0x7a0/0x7a0
[  402.612532]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  402.617388]  ? __switch_to_asm+0x34/0x70
[  402.621456]  ? __switch_to_asm+0x34/0x70
[  402.625536]  ? zap_class+0x640/0x640
[  402.629249]  ? zap_class+0x640/0x640
[  402.632968]  ? __x64_sys_futex+0x53e/0x6a0
[  402.637242]  ? find_held_lock+0x36/0x1c0
[  402.641317]  ? handle_mm_fault+0x42a/0xc70
[  402.645553]  ? lock_downgrade+0x900/0x900
[  402.649701]  ? check_preemption_disabled+0x48/0x280
[  402.654723]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.659650]  ? kasan_check_read+0x11/0x20
[  402.663799]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.669082]  ? rcu_softirq_qs+0x20/0x20
[  402.673057]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.678167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.683706]  ? check_preemption_disabled+0x48/0x280
[  402.688731]  handle_mm_fault+0x54f/0xc70
[  402.692801]  ? __handle_mm_fault+0x5920/0x5920
[  402.697393]  ? find_vma+0x34/0x190
[  402.700946]  __do_page_fault+0x5e8/0xe60
[  402.705009]  ? trace_hardirqs_off+0xb8/0x310
[  402.709432]  do_page_fault+0xf2/0x7e0
[  402.713238]  ? vmalloc_sync_all+0x30/0x30
[  402.717395]  ? error_entry+0x70/0xd0
[  402.721113]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.726134]  ? trace_hardirqs_on_caller+0xc0/0x310
[  402.731073]  ? syscall_return_slowpath+0x5e0/0x5e0
[  402.736001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.740845]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.745871]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.751326]  ? prepare_exit_to_usermode+0x291/0x3b0
[  402.756351]  ? page_fault+0x8/0x30
[  402.759894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.764741]  ? page_fault+0x8/0x30
[  402.768284]  page_fault+0x1e/0x30
[  402.771740] RIP: 0033:0x45ddf3
[  402.774952] Code: Bad RIP value.
[  402.778315] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  402.783678] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  402.790949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  402.798220] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  402.805489] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  402.812759] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  402.820055] warn_alloc_show_mem: 1 callbacks suppressed
[  402.820067] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  402.820069] Mem-Info:
[  402.820098] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  402.820098]  active_file:15 inactive_file:12 isolated_file:0
[  402.820098]  unevictable:0 dirty:0 writeback:0 unstable:0
[  402.820098]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  402.820098]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  402.820098]  free:13694 free_pcp:0 free_cma:0
[  402.825466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.832399] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.834812] Call Trace:
[  402.867680] Node 0 
[  402.877028]  <IRQ>
[  402.904712] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  402.907274]  dump_stack+0x244/0x39d
[  402.909482] lowmem_reserve[]: 0
[  402.911650]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.937130]  2819
[  402.940765]  warn_alloc.cold.117+0xb7/0x1bd
[  402.944013]  6323
[  402.949203]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.951244]  6323
[  402.955563]  ? lock_downgrade+0x900/0x900
[  402.962453]  ? trace_hardirqs_off+0xb8/0x310
[  402.964485] Node 0 
[  402.968630]  ? trace_hardirqs_off+0xb8/0x310
[  402.973049] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  402.975264]  __alloc_pages_slowpath+0x2660/0x2d70
[  402.979647] lowmem_reserve[]:
[  403.006402]  ? warn_alloc+0x120/0x120
[  403.011201]  0
[  403.014305]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.018082]  0
[  403.019882]  ? warn_alloc+0x120/0x120
[  403.024875]  3503
[  403.026677]  ? print_usage_bug+0xc0/0xc0
[  403.030466]  3503
[  403.032526]  ? warn_alloc+0x120/0x120
[  403.038663]  ? print_usage_bug+0xc0/0xc0
[  403.042447] Node 0 
[  403.046500]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.046536] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  403.048749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.053909] lowmem_reserve[]: 0
[  403.082047]  ? should_fail+0x22d/0xd01
[  403.087563]  0
[  403.090838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.094703]  0
[  403.096502]  ? __lock_acquire+0x62f/0x4c20
[  403.101582]  0
[  403.103387]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.109400]  ? should_fail+0x22d/0xd01
[  403.114508] Node 0 DMA: 1*4kB 
[  403.118419]  ? mark_held_locks+0x130/0x130
[  403.118442]  ? mark_held_locks+0x130/0x130
[  403.121614] (U) 
[  403.125848]  ? print_usage_bug+0xc0/0xc0
[  403.130060] 0*8kB 0*16kB 
[  403.132063]  ? find_held_lock+0x36/0x1c0
[  403.136112] 1*32kB 
[  403.138864]  ? zap_class+0x640/0x640
[  403.142909] (U) 
[  403.145166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.148869] 2*64kB 
[  403.150871]  ? check_preemption_disabled+0x48/0x280
[  403.156385] (U) 
[  403.158625]  ? __lock_is_held+0xb5/0x140
[  403.163616] 1*128kB 
[  403.165594]  __alloc_pages_nodemask+0xa80/0xde0
[  403.169629] (U) 
[  403.171963]  ? zap_class+0x640/0x640
[  403.176613] 1*256kB 
[  403.178591]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  403.182279] (U) 0*512kB 
[  403.184618]  ? find_held_lock+0x36/0x1c0
[  403.189609] 1*1024kB 
[  403.192281]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.196317] (U) 
[  403.198733]  ? lock_downgrade+0x900/0x900
[  403.203380] 1*2048kB 
[  403.205357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.209472] (M) 3*4096kB 
[  403.211890]  cache_grow_begin+0xa5/0x8c0
[  403.217402] (M) = 15908kB
[  403.220174]  ? do_raw_spin_unlock+0xa7/0x330
[  403.224212] Node 0 
[  403.226970]  fallback_alloc+0x204/0x2e0
[  403.231354] DMA32: 
[  403.233593]  ____cache_alloc_node+0x1c7/0x1e0
[  403.237547] 2*4kB 
[  403.239784]  kmem_cache_alloc_node+0xe3/0x730
[  403.244258] (M) 
[  403.246410]  ? mark_held_locks+0xc7/0x130
[  403.250887] 3*8kB 
[  403.252871]  __alloc_skb+0x119/0x770
[  403.256992] (UM) 
[  403.259142]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.262866] 3*16kB 
[  403.264927]  ? do_raw_spin_trylock+0x270/0x270
[  403.269321] (UM) 
[  403.271556]  ? kmem_cache_alloc_trace+0x353/0x750
[  403.276163] 4*32kB 
[  403.278230]  ? queue_work_on+0x12c/0x1e0
[  403.283048] (UM) 
[  403.285287]  ? switchdev_port_obj_del+0xdc/0x440
[  403.289326] 5*64kB 
[  403.291384]  ? switchdev_trans_item_enqueue+0x260/0x260
[  403.296116] (UM) 
[  403.298362]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  403.303714] 4*128kB 
[  403.305779]  __br_mdb_notify+0x4ff/0x15d0
[  403.310773] (M) 
[  403.313105]  ? __br_mdb_add+0x7f0/0x7f0
[  403.317229] 5*256kB 
[  403.319229]  ? zap_class+0x640/0x640
[  403.323177] (UM) 
[  403.325506]  ? br_multicast_group_expired+0x96/0x610
[  403.329209] 5*512kB 
[  403.331285]  ? lock_downgrade+0x900/0x900
[  403.336378] (UM) 
[  403.338703]  br_mdb_notify+0x310/0x410
[  403.342829] 4*1024kB 
[  403.344892]  ? br_mdb_dump+0x27b0/0x27b0
[  403.348757] (UM) 
[  403.351165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.355204] 2*2048kB 
[  403.357266]  br_multicast_group_expired+0x1bc/0x610
[  403.362788] (M) 
[  403.365210]  ? br_mdb_free+0x80/0x80
[  403.370207] 3*4096kB 
[  403.372194]  call_timer_fn+0x272/0x920
[  403.375880] (M) 
[  403.378290]  ? br_mdb_free+0x80/0x80
[  403.382177] = 25360kB
[  403.384159]  ? process_timeout+0x40/0x40
[  403.387854] Node 0 
[  403.390268]  ? __run_timers+0x7da/0xc70
[  403.394302] Normal: 
[  403.396541]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.400491] 783*4kB 
[  403.402810]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.407286] (UMEH) 
[  403.409612]  ? br_mdb_free+0x80/0x80
[  403.414087] 379*8kB 
[  403.416322]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.420023] (MEH) 
[  403.422343]  ? trace_hardirqs_on+0xbd/0x310
[  403.426899] 205*16kB (UMEH) 
[  403.429054]  ? kasan_check_read+0x11/0x20
[  403.433355] 93*32kB 
[  403.436372]  ? __run_timers+0x7da/0xc70
[  403.440490] (UMEH) 24*64kB 
[  403.442819]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.446777] (UMH) 
[  403.449731]  ? br_mdb_free+0x80/0x80
[  403.454817] 1*128kB 
[  403.456969]  ? br_mdb_free+0x80/0x80
[  403.460663] (H) 
[  403.462983]  __run_timers+0x7e5/0xc70
[  403.466674] 0*256kB 
[  403.468661]  ? timer_fixup_init+0x70/0x70
[  403.472445] 0*512kB 
[  403.474763]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.478891] 0*1024kB 
[  403.481770]  ? zap_class+0x640/0x640
[  403.486775] 0*2048kB 
[  403.489186]  ? enqueue_hrtimer+0x1a5/0x560
[  403.492881] 0*4096kB 
[  403.495289]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.499512] = 14084kB
[  403.501925]  ? find_held_lock+0x36/0x1c0
[  403.507111] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  403.509534]  ? zap_class+0x640/0x640
[  403.513582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  403.522412]  ? pvclock_read_flags+0x160/0x160
[  403.526102] 1070 total pagecache pages
[  403.534672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.539156] 0 pages in swap cache
[  403.543051]  ? check_preemption_disabled+0x48/0x280
[  403.548591] Swap cache stats: add 0, delete 0, find 0/0
[  403.552047]  ? __lock_is_held+0xb5/0x140
[  403.557053] Free swap  = 0kB
[  403.562415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.566454] Total swap = 0kB
[  403.569469]  ? check_preemption_disabled+0x48/0x280
[  403.574989] 1965979 pages RAM
[  403.578010]  run_timer_softirq+0x52/0xb0
[  403.582995] 0 pages HighMem/MovableOnly
[  403.583004] 342293 pages reserved
[  403.586108]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.590142] 0 pages cma reserved
[  403.590233] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.594133]  __do_softirq+0x308/0xb7e
[  403.597656] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.602619]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.606000] syz-fuzzer cpuset=
[  403.612489]  ? lock_downgrade+0x900/0x900
[  403.616292] /
[  403.626518]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.630990]  mems_allowed=0
[  403.634181]  ? pvclock_read_flags+0x160/0x160
[  403.652505]  ? lapic_next_event+0x5a/0x90
[  403.656656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.662203]  ? kvm_clock_read+0x18/0x30
[  403.666180]  ? kvm_sched_clock_read+0x9/0x20
[  403.670590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.676130]  ? check_preemption_disabled+0x48/0x280
[  403.681174]  irq_exit+0x17f/0x1c0
[  403.684636]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.689483]  ? smp_reschedule_interrupt+0x109/0x650
[  403.694503]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.700394]  ? interrupt_entry+0xb5/0xc0
[  403.704461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.709477]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.714494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.719341]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.724358]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.729414]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.734280]  apic_timer_interrupt+0xf/0x20
[  403.738509]  </IRQ>
[  403.740749] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  403.745678] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  403.764577] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  403.772290] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  403.779560] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  403.786827] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  403.794096] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  403.801365] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  403.808695]  skb_clone+0x1bb/0x500
[  403.812239]  ? finish_task_switch+0x1b4/0x910
[  403.816740]  ? skb_split+0x11e0/0x11e0
[  403.820635]  ? preempt_notifier_register+0x200/0x200
[  403.825741]  ? __switch_to_asm+0x34/0x70
[  403.829801]  ? __switch_to_asm+0x34/0x70
[  403.833860]  ? __switch_to_asm+0x40/0x70
[  403.837919]  ? __switch_to_asm+0x34/0x70
[  403.841982]  ? __switch_to_asm+0x40/0x70
[  403.846041]  ? __switch_to_asm+0x34/0x70
[  403.850101]  ? __switch_to_asm+0x40/0x70
[  403.854166]  ? __switch_to_asm+0x34/0x70
[  403.858228]  ? __switch_to_asm+0x34/0x70
[  403.862288]  ? __switch_to_asm+0x40/0x70
[  403.866351]  ? __switch_to_asm+0x34/0x70
[  403.870425]  bpf_clone_redirect+0xb9/0x490
[  403.874674]  ? __schedule+0x8d7/0x21d0
[  403.878566]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  403.883587]  ? __sched_text_start+0x8/0x8
[  403.887747]  ? find_held_lock+0x36/0x1c0
[  403.891820]  ? lock_acquire+0x1ed/0x520
[  403.895795]  ? bpf_test_run+0x3cb/0x780
[  403.899770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.905307]  ? check_preemption_disabled+0x48/0x280
[  403.910334]  ? kasan_check_read+0x11/0x20
[  403.914513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.919802]  ? rcu_softirq_qs+0x20/0x20
[  403.923784]  ? preempt_schedule+0x4d/0x60
[  403.927938]  ? ___preempt_schedule+0x16/0x18
[  403.932356]  ? bpf_test_run+0x25d/0x780
[  403.936357]  ? netlink_diag_dump+0x2a0/0x2a0
[  403.940771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.946345]  ? bpf_test_init.isra.10+0x70/0x100
[  403.951023]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  403.955788]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.960632]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  403.966177]  ? fput+0x130/0x1a0
[  403.969468]  ? __bpf_prog_get+0x9b/0x290
[  403.973533]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.978378]  ? bpf_prog_test_run+0x130/0x1a0
[  403.982793]  ? __x64_sys_bpf+0x3d8/0x520
[  403.986855]  ? bpf_prog_get+0x20/0x20
[  403.990680]  ? do_syscall_64+0x1b9/0x820
[  403.994745]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  404.000112]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.005058]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.010079]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  404.015098]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  404.021776]  ? __switch_to_asm+0x40/0x70
[  404.025837]  ? __switch_to_asm+0x34/0x70
[  404.029919]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.034776]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  404.040169] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  404.040322] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.046763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.057242] syz-executor1 cpuset=
[  404.066583] Call Trace:
[  404.066594] syz1
[  404.070033]  <IRQ>
[  404.072609]  mems_allowed=0
[  404.074582]  dump_stack+0x244/0x39d
[  404.083258]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.088470]  warn_alloc.cold.117+0xb7/0x1bd
[  404.092799]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.097644]  ? lock_downgrade+0x900/0x900
[  404.101803]  ? trace_hardirqs_off+0xb8/0x310
[  404.106237]  ? trace_hardirqs_off+0xb8/0x310
[  404.110661]  __alloc_pages_slowpath+0x2660/0x2d70
[  404.115547]  ? warn_alloc+0x120/0x120
[  404.119361]  ? warn_alloc+0x120/0x120
[  404.123172]  ? print_usage_bug+0xc0/0xc0
[  404.127239]  ? warn_alloc+0x120/0x120
[  404.131046]  ? print_usage_bug+0xc0/0xc0
[  404.135116]  ? __lock_acquire+0x62f/0x4c20
[  404.139351]  ? __lock_acquire+0x62f/0x4c20
[  404.143596]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.149160]  ? should_fail+0x22d/0xd01
[  404.153054]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.158339]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.163442]  ? __lock_acquire+0x62f/0x4c20
[  404.167685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.172791]  ? __lock_acquire+0x62f/0x4c20
[  404.177026]  ? should_fail+0x22d/0xd01
[  404.180913]  ? rcu_irq_exit+0x1a2/0x390
[  404.184905]  ? mark_held_locks+0x130/0x130
[  404.189149]  ? mark_held_locks+0x130/0x130
[  404.193392]  ? mark_held_locks+0xc7/0x130
[  404.197543]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  404.202564]  ? zap_class+0x640/0x640
[  404.206714]  ? print_usage_bug+0xc0/0xc0
[  404.210784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.216324]  ? check_preemption_disabled+0x48/0x280
[  404.221357]  ? __lock_is_held+0xb5/0x140
[  404.225427]  __alloc_pages_nodemask+0xa80/0xde0
[  404.230102]  ? zap_class+0x640/0x640
[  404.233823]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  404.238857]  ? find_held_lock+0x36/0x1c0
[  404.242938]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.247610]  ? lock_downgrade+0x900/0x900
[  404.251773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.257322]  cache_grow_begin+0xa5/0x8c0
[  404.261391]  ? do_raw_spin_unlock+0xa7/0x330
[  404.265813]  fallback_alloc+0x204/0x2e0
[  404.269794]  ____cache_alloc_node+0x1c7/0x1e0
[  404.274298]  kmem_cache_alloc_node+0xe3/0x730
[  404.278797]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.283047]  __alloc_skb+0x119/0x770
[  404.286763]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.292039]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.296446]  ? lock_downgrade+0x900/0x900
[  404.300607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.306152]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.311611]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.317064]  ? addrconf_rs_timer+0x690/0x690
[  404.321486]  ndisc_alloc_skb+0x144/0x340
[  404.325553]  ndisc_send_rs+0x331/0x6e0
[  404.329448]  addrconf_rs_timer+0x314/0x690
[  404.333690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.338034]  call_timer_fn+0x272/0x920
[  404.341937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.346177]  ? process_timeout+0x40/0x40
[  404.350252]  ? mark_held_locks+0xc7/0x130
[  404.354412]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.358912]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.363415]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.367656]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.372251]  ? trace_hardirqs_on+0xbd/0x310
[  404.376574]  ? kasan_check_read+0x11/0x20
[  404.380723]  ? __run_timers+0x7da/0xc70
[  404.384702]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.389821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.394063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.398322]  __run_timers+0x7e5/0xc70
[  404.402137]  ? timer_fixup_init+0x70/0x70
[  404.406286]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  404.411310]  ? zap_class+0x640/0x640
[  404.415029]  ? print_usage_bug+0xc0/0xc0
[  404.419110]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  404.424309]  ? find_held_lock+0x36/0x1c0
[  404.428392]  ? zap_class+0x640/0x640
[  404.432126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.437664]  ? check_preemption_disabled+0x48/0x280
[  404.442694]  ? __lock_is_held+0xb5/0x140
[  404.446757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.452295]  ? check_preemption_disabled+0x48/0x280
[  404.457322]  run_timer_softirq+0x52/0xb0
[  404.461389]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.466409]  __do_softirq+0x308/0xb7e
[  404.470216]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  404.474710]  ? lock_downgrade+0x900/0x900
[  404.478865]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.483981]  ? pvclock_read_flags+0x160/0x160
[  404.488486]  ? lapic_next_event+0x5a/0x90
[  404.492642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.498219]  ? kvm_clock_read+0x18/0x30
[  404.502193]  ? kvm_sched_clock_read+0x9/0x20
[  404.506608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.512157]  ? check_preemption_disabled+0x48/0x280
[  404.517194]  irq_exit+0x17f/0x1c0
[  404.520656]  smp_apic_timer_interrupt+0x1cb/0x760
[  404.525509]  ? smp_call_function_single_interrupt+0x650/0x650
[  404.531399]  ? interrupt_entry+0xb5/0xc0
[  404.535469]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.540485]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.545509]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.550356]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.555380]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.560398]  ? task_prio+0x50/0x50
[  404.563951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.569498]  ? check_preemption_disabled+0x48/0x280
[  404.574544]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.579407]  apic_timer_interrupt+0xf/0x20
[  404.583642]  </IRQ>
[  404.585889] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  404.591482] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  404.610388] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  404.618104] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  404.625381] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  404.632653] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  404.639922] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  404.647202] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  404.654511]  shrink_active_list+0x67b/0x1c20
[  404.658921]  ? free_unref_page_list+0xd1b/0x11e0
[  404.663696]  ? shrink_inactive_list+0xa4a/0x1c60
[  404.668466]  ? zap_class+0x60f/0x640
[  404.672188]  ? shrink_inactive_list+0x1c60/0x1c60
[  404.677041]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.681551]  ? find_held_lock+0x36/0x1c0
[  404.685628]  ? __page_frag_cache_drain+0x200/0x200
[  404.690565]  ? print_usage_bug+0xc0/0xc0
[  404.694644]  ? find_held_lock+0x36/0x1c0
[  404.698712]  ? zap_class+0x640/0x640
[  404.702433]  ? mark_held_locks+0xc7/0x130
[  404.706591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.712134]  ? check_preemption_disabled+0x48/0x280
[  404.717179]  ? zap_class+0x640/0x640
[  404.720896]  ? __lock_is_held+0xb5/0x140
[  404.724970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.730516]  ? check_preemption_disabled+0x48/0x280
[  404.735551]  ? __lock_is_held+0xb5/0x140
[  404.739629]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  404.744658]  ? inactive_list_is_low+0x305/0x880
[  404.749342]  ? lruvec_lru_size+0x450/0x450
[  404.753581]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.758524]  ? rcu_softirq_qs+0x20/0x20
[  404.762509]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  404.767452]  shrink_node_memcg+0x803/0x18f0
[  404.771796]  ? shrink_active_list+0x1c20/0x1c20
[  404.776479]  ? lock_downgrade+0x900/0x900
[  404.780632]  ? check_flush_dependency+0x410/0x410
[  404.785484]  ? kasan_check_read+0x11/0x20
[  404.789648]  ? ___preempt_schedule+0x16/0x18
[  404.794068]  ? _raw_spin_unlock+0x3f/0x50
[  404.798221]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  404.803418]  shrink_node+0x3bc/0x16b0
[  404.807227]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  404.812533]  ? shrink_node_memcg+0x18f0/0x18f0
[  404.817116]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.821708]  ? trace_hardirqs_on+0xbd/0x310
[  404.826032]  ? vmpressure+0x271/0x340
[  404.829842]  ? do_raw_spin_trylock+0x270/0x270
[  404.834433]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  404.839977]  ? __cpuset_node_allowed+0x19b/0x660
[  404.844744]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  404.850461]  ? vmpressure+0x1a2/0x340
[  404.854282]  do_try_to_free_pages+0x3e7/0x1290
[  404.858866]  ? zap_class+0x640/0x640
[  404.862603]  ? shrink_node+0x16b0/0x16b0
[  404.866669]  ? __lock_is_held+0xb5/0x140
[  404.870749]  try_to_free_pages+0x4d0/0xb90
[  404.874996]  ? do_try_to_free_pages+0x1290/0x1290
[  404.879841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.885399]  ? lock_acquire+0x1ed/0x520
[  404.889378]  ? set_page_refcounted+0x280/0x280
[  404.893971]  ? lock_release+0xa00/0xa00
[  404.897968]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.903440]  __alloc_pages_slowpath+0x9c4/0x2d70
[  404.908239]  ? warn_alloc+0x120/0x120
[  404.912044]  ? rcu_softirq_qs+0x20/0x20
[  404.916052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.921597]  ? should_fail+0x22d/0xd01
[  404.925497]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.930604]  ? zap_class+0x640/0x640
[  404.934349]  ? __lock_is_held+0xb5/0x140
[  404.938428]  ? mark_held_locks+0x130/0x130
[  404.942672]  ? lock_release+0xa00/0xa00
[  404.946661]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.952127]  ? __might_sleep+0x95/0x190
[  404.956120]  __alloc_pages_nodemask+0xa80/0xde0
[  404.960807]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  404.965830]  ? __page_cache_alloc+0x191/0x5c0
[  404.970332]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.975263]  ? kasan_check_read+0x11/0x20
[  404.979420]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.984706]  ? zap_class+0x640/0x640
[  404.988434]  ? zap_class+0x640/0x640
[  404.992162]  ? zap_class+0x640/0x640
[  404.995886]  ? __do_page_cache_readahead+0x7ce/0x980
[  405.000999]  ? find_held_lock+0x36/0x1c0
[  405.005071]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  405.010642]  alloc_pages_current+0x173/0x350
[  405.015068]  __page_cache_alloc+0x38c/0x5c0
[  405.019397]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.024330]  ? kasan_check_read+0x11/0x20
[  405.028481]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.033766]  ? generic_perform_write+0x6a0/0x6a0
[  405.038524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.044063]  ? check_preemption_disabled+0x48/0x280
[  405.049090]  filemap_fault+0x1594/0x25f0
[  405.053175]  ? __lock_page_or_retry+0xa00/0xa00
[  405.057850]  ? mark_held_locks+0x130/0x130
[  405.062089]  ? rcu_softirq_qs+0x20/0x20
[  405.066079]  ? filemap_map_pages+0xe04/0x1990
[  405.070589]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.075184]  ? __free_object+0x173/0x340
[  405.079247]  ? debug_object_free+0x36f/0x690
[  405.083662]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  405.088609]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.093724]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  405.098406]  ? queue_work_on+0x12c/0x1e0
[  405.102477]  ? debug_object_free+0x36f/0x690
[  405.106887]  ? kasan_check_read+0x11/0x20
[  405.111045]  ? debug_object_destroy+0x2b0/0x2b0
[  405.115725]  ? lock_pi_update_atomic+0x150/0x150
[  405.120487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.126031]  ? __hrtimer_init+0xdb/0x240
[  405.130113]  ? lock_acquire+0x1ed/0x520
[  405.134098]  ? ext4_filemap_fault+0x7a/0xad
[  405.138433]  ? lock_release+0xa00/0xa00
[  405.142413]  ? perf_trace_sched_process_exec+0x860/0x860
[  405.147867]  ? print_usage_bug+0xc0/0xc0
[  405.151941]  ? print_usage_bug+0xc0/0xc0
[  405.156017]  ? down_read+0x8d/0x120
[  405.159660]  ? ext4_filemap_fault+0x7a/0xad
[  405.163986]  ? __down_interruptible+0x700/0x700
[  405.168677]  ext4_filemap_fault+0x82/0xad
[  405.172834]  __do_fault+0x100/0x6b0
[  405.176468]  ? pmd_devmap_trans_unstable+0x220/0x220
[  405.181577]  ? mark_held_locks+0x130/0x130
[  405.185820]  ? mark_held_locks+0x130/0x130
[  405.190076]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.195621]  __handle_mm_fault+0x307c/0x5920
[  405.200039]  ? perf_trace_lock+0x7a0/0x7a0
[  405.204286]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  405.209149]  ? __switch_to_asm+0x34/0x70
[  405.213220]  ? __switch_to_asm+0x34/0x70
[  405.217302]  ? zap_class+0x640/0x640
[  405.221016]  ? zap_class+0x640/0x640
[  405.224737]  ? __x64_sys_futex+0x53e/0x6a0
[  405.228984]  ? find_held_lock+0x36/0x1c0
[  405.233056]  ? handle_mm_fault+0x42a/0xc70
[  405.237298]  ? lock_downgrade+0x900/0x900
[  405.241450]  ? check_preemption_disabled+0x48/0x280
[  405.246480]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.251411]  ? kasan_check_read+0x11/0x20
[  405.255576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.260868]  ? rcu_softirq_qs+0x20/0x20
[  405.264844]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.269955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.275501]  ? check_preemption_disabled+0x48/0x280
[  405.280534]  handle_mm_fault+0x54f/0xc70
[  405.284608]  ? __handle_mm_fault+0x5920/0x5920
[  405.289200]  ? find_vma+0x34/0x190
[  405.292761]  __do_page_fault+0x5e8/0xe60
[  405.296823]  ? trace_hardirqs_off+0xb8/0x310
[  405.301247]  do_page_fault+0xf2/0x7e0
[  405.305056]  ? vmalloc_sync_all+0x30/0x30
[  405.309210]  ? error_entry+0x70/0xd0
[  405.312943]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.317969]  ? trace_hardirqs_on_caller+0xc0/0x310
[  405.322908]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.327846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.332692]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.337707]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  405.343170]  ? prepare_exit_to_usermode+0x291/0x3b0
[  405.348192]  ? page_fault+0x8/0x30
[  405.351739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.356593]  ? page_fault+0x8/0x30
[  405.360138]  page_fault+0x1e/0x30
[  405.363605] RIP: 0033:0x45ddf3
[  405.366818] Code: Bad RIP value.
[  405.370183] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  405.375549] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  405.382821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  405.390092] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  405.397363] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  405.404635] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  405.411939] warn_alloc_show_mem: 1 callbacks suppressed
[  405.411951] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  405.411954] Mem-Info:
[  405.411984] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  405.411984]  active_file:15 inactive_file:12 isolated_file:0
[  405.411984]  unevictable:0 dirty:0 writeback:0 unstable:0
[  405.411984]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  405.411984]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  405.411984]  free:13694 free_pcp:0 free_cma:0
[  405.417335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.424273] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  405.426676] Call Trace:
[  405.459546] Node 0 
[  405.468895]  <IRQ>
[  405.496789] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  405.499353]  dump_stack+0x244/0x39d
[  405.501572] lowmem_reserve[]:
[  405.503724]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.529198]  0 2819
[  405.532846]  warn_alloc.cold.117+0xb7/0x1bd
[  405.535924]  6323
[  405.541115]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.543337]  6323
[  405.547657]  ? lock_downgrade+0x900/0x900
[  405.554550]  ? trace_hardirqs_off+0xb8/0x310
[  405.556605] Node 0 
[  405.560753]  ? trace_hardirqs_off+0xb8/0x310
[  405.565177] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  405.567394]  __alloc_pages_slowpath+0x2660/0x2d70
[  405.571781] lowmem_reserve[]:
[  405.598522]  ? warn_alloc+0x120/0x120
[  405.603322]  0
[  405.606437]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.610204]  0 3503
[  405.612015]  ? warn_alloc+0x120/0x120
[  405.617004]  3503
[  405.619250]  ? print_usage_bug+0xc0/0xc0
[  405.623031] Node 0 
[  405.625092]  ? warn_alloc+0x120/0x120
[  405.629162] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  405.631382]  ? print_usage_bug+0xc0/0xc0
[  405.635158] lowmem_reserve[]: 0
[  405.663270]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.663295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.667337]  0
[  405.670621]  ? should_fail+0x22d/0xd01
[  405.675787]  0
[  405.681327]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.683111]  0
[  405.687001]  ? __lock_acquire+0x62f/0x4c20
[  405.693884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.695665] Node 0 
[  405.699897]  ? should_fail+0x22d/0xd01
[  405.704980] DMA: 
[  405.707223]  ? mark_held_locks+0x130/0x130
[  405.711085] 1*4kB 
[  405.713154]  ? mark_held_locks+0x130/0x130
[  405.717361] (U) 
[  405.719511]  ? print_usage_bug+0xc0/0xc0
[  405.723731] 0*8kB 
[  405.725711]  ? find_held_lock+0x36/0x1c0
[  405.729752] 0*16kB 
[  405.731903]  ? zap_class+0x640/0x640
[  405.735952] 1*32kB 
[  405.738194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.741884] (U) 2*64kB 
[  405.744138]  ? check_preemption_disabled+0x48/0x280
[  405.749656] (U) 
[  405.752246]  ? __lock_is_held+0xb5/0x140
[  405.757236] 1*128kB 
[  405.759217]  __alloc_pages_nodemask+0xa80/0xde0
[  405.763257] (U) 
[  405.765583]  ? zap_class+0x640/0x640
[  405.770237] 1*256kB 
[  405.772215]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  405.775908] (U) 
[  405.778239]  ? find_held_lock+0x36/0x1c0
[  405.783229] 0*512kB 
[  405.785221]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.789265] 1*1024kB 
[  405.791590]  ? lock_downgrade+0x900/0x900
[  405.796241] (U) 
[  405.798673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.802793] 1*2048kB 
[  405.804776]  cache_grow_begin+0xa5/0x8c0
[  405.810291] (M) 
[  405.812702]  ? do_raw_spin_unlock+0xa7/0x330
[  405.816742] 3*4096kB 
[  405.818721]  fallback_alloc+0x204/0x2e0
[  405.823108] (M) 
[  405.825520]  ____cache_alloc_node+0x1c7/0x1e0
[  405.829471] = 15908kB
[  405.831450]  kmem_cache_alloc_node+0xe3/0x730
[  405.835919] Node 0 
[  405.838329]  ? mark_held_locks+0xc7/0x130
[  405.842806] DMA32: 
[  405.845049]  __alloc_skb+0x119/0x770
[  405.849175] 2*4kB 
[  405.851412]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.855108] (M) 
[  405.857257]  ? do_raw_spin_trylock+0x270/0x270
[  405.861648] 3*8kB 
[  405.863629]  ? kmem_cache_alloc_trace+0x353/0x750
[  405.868189] (UM) 
[  405.870341]  ? queue_work_on+0x12c/0x1e0
[  405.875161] 3*16kB 
[  405.877231]  ? switchdev_port_obj_del+0xdc/0x440
[  405.881269] (UM) 
[  405.883510]  ? switchdev_trans_item_enqueue+0x260/0x260
[  405.888248] 4*32kB 
[  405.890312]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  405.895654] (UM) 
[  405.897895]  __br_mdb_notify+0x4ff/0x15d0
[  405.902888] 5*64kB 
[  405.904958]  ? __br_mdb_add+0x7f0/0x7f0
[  405.909087] (UM) 
[  405.911330]  ? zap_class+0x640/0x640
[  405.915281] 4*128kB 
[  405.917352]  ? br_multicast_group_expired+0x96/0x610
[  405.921040] (M) 
[  405.923362]  ? lock_downgrade+0x900/0x900
[  405.928440] 5*256kB (UM) 
[  405.930437]  br_mdb_notify+0x310/0x410
[  405.934565] 5*512kB 
[  405.937323]  ? br_mdb_dump+0x27b0/0x27b0
[  405.941190] (UM) 
[  405.943515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.947560] 4*1024kB 
[  405.949628]  br_multicast_group_expired+0x1bc/0x610
[  405.955141] (UM) 
[  405.957565]  ? br_mdb_free+0x80/0x80
[  405.962564] 2*2048kB (M) 
[  405.964647]  call_timer_fn+0x272/0x920
[  405.968334] 3*4096kB 
[  405.971089]  ? br_mdb_free+0x80/0x80
[  405.974964] (M) 
[  405.977377]  ? process_timeout+0x40/0x40
[  405.981071] = 25360kB
[  405.983051]  ? __run_timers+0x7da/0xc70
[  405.987089] Node 0 
[  405.989500]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.993452] Normal: 
[  405.995687]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.000170] 783*4kB 
[  406.002489]  ? br_mdb_free+0x80/0x80
[  406.006968] (UMEH) 
[  406.009294]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.012983] 379*8kB (MEH) 
[  406.015234]  ? trace_hardirqs_on+0xbd/0x310
[  406.019801] 205*16kB 
[  406.022643]  ? kasan_check_read+0x11/0x20
[  406.026944] (UMEH) 93*32kB 
[  406.029363]  ? __run_timers+0x7da/0xc70
[  406.033491] (UMEH) 
[  406.036428]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.040382] 24*64kB 
[  406.042620]  ? br_mdb_free+0x80/0x80
[  406.047703] (UMH) 
[  406.050028]  ? br_mdb_free+0x80/0x80
[  406.053723] 1*128kB 
[  406.055868]  __run_timers+0x7e5/0xc70
[  406.059562] (H) 
[  406.061897]  ? timer_fixup_init+0x70/0x70
[  406.065672] 0*256kB 
[  406.067648]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.071775] 0*512kB 
[  406.074097]  ? zap_class+0x640/0x640
[  406.079089] 0*1024kB 0*2048kB 
[  406.081429]  ? enqueue_hrtimer+0x1a5/0x560
[  406.085124] 0*4096kB 
[  406.088324]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.092544] = 14084kB
[  406.094955]  ? find_held_lock+0x36/0x1c0
[  406.100137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  406.102553]  ? zap_class+0x640/0x640
[  406.106604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  406.115443]  ? pvclock_read_flags+0x160/0x160
[  406.119133] 1070 total pagecache pages
[  406.127712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.132200] 0 pages in swap cache
[  406.136079]  ? check_preemption_disabled+0x48/0x280
[  406.141623] Swap cache stats: add 0, delete 0, find 0/0
[  406.145076]  ? __lock_is_held+0xb5/0x140
[  406.150072] Free swap  = 0kB
[  406.155446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.159484] Total swap = 0kB
[  406.162528]  ? check_preemption_disabled+0x48/0x280
[  406.168048] 1965979 pages RAM
[  406.171070]  run_timer_softirq+0x52/0xb0
[  406.176060] 0 pages HighMem/MovableOnly
[  406.179167]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.183211] 342293 pages reserved
[  406.187188]  __do_softirq+0x308/0xb7e
[  406.192189] 0 pages cma reserved
[  406.195637]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  406.199480] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  406.202784]  ? lock_downgrade+0x900/0x900
[  406.202806]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.207372] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.213786]  ? pvclock_read_flags+0x160/0x160
[  406.217910] syz-fuzzer cpuset=
[  406.223015]  ? lapic_next_event+0x5a/0x90
[  406.233217] /
[  406.237712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.240891]  mems_allowed=0
[  406.245036]  ? kvm_clock_read+0x18/0x30
[  406.259149]  ? kvm_sched_clock_read+0x9/0x20
[  406.263564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.269110]  ? check_preemption_disabled+0x48/0x280
[  406.274156]  irq_exit+0x17f/0x1c0
[  406.277620]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.282472]  ? smp_reschedule_interrupt+0x109/0x650
[  406.287497]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.293384]  ? interrupt_entry+0xb5/0xc0
[  406.297458]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.302481]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.307502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.312352]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.317372]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.322406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.327268]  apic_timer_interrupt+0xf/0x20
[  406.331498]  </IRQ>
[  406.333740] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  406.338676] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  406.357580] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  406.365293] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  406.372568] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  406.379836] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  406.387108] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  406.394390] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  406.401706]  skb_clone+0x1bb/0x500
[  406.405253]  ? finish_task_switch+0x1b4/0x910
[  406.409754]  ? skb_split+0x11e0/0x11e0
[  406.413652]  ? preempt_notifier_register+0x200/0x200
[  406.418762]  ? __switch_to_asm+0x34/0x70
[  406.422826]  ? __switch_to_asm+0x34/0x70
[  406.426888]  ? __switch_to_asm+0x40/0x70
[  406.430950]  ? __switch_to_asm+0x34/0x70
[  406.435017]  ? __switch_to_asm+0x40/0x70
[  406.439078]  ? __switch_to_asm+0x34/0x70
[  406.443152]  ? __switch_to_asm+0x40/0x70
[  406.447247]  ? __switch_to_asm+0x34/0x70
[  406.451312]  ? __switch_to_asm+0x34/0x70
[  406.455373]  ? __switch_to_asm+0x40/0x70
[  406.459443]  ? __switch_to_asm+0x34/0x70
[  406.463528]  bpf_clone_redirect+0xb9/0x490
[  406.467767]  ? __schedule+0x8d7/0x21d0
[  406.471667]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  406.476694]  ? __sched_text_start+0x8/0x8
[  406.480857]  ? find_held_lock+0x36/0x1c0
[  406.484928]  ? lock_acquire+0x1ed/0x520
[  406.488905]  ? bpf_test_run+0x3cb/0x780
[  406.492890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.498443]  ? check_preemption_disabled+0x48/0x280
[  406.503473]  ? kasan_check_read+0x11/0x20
[  406.507714]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.513001]  ? rcu_softirq_qs+0x20/0x20
[  406.516984]  ? preempt_schedule+0x4d/0x60
[  406.521141]  ? ___preempt_schedule+0x16/0x18
[  406.525567]  ? bpf_test_run+0x25d/0x780
[  406.529559]  ? netlink_diag_dump+0x2a0/0x2a0
[  406.533974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.539514]  ? bpf_test_init.isra.10+0x70/0x100
[  406.544198]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  406.548967]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  406.553814]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  406.559374]  ? fput+0x130/0x1a0
[  406.562673]  ? __bpf_prog_get+0x9b/0x290
[  406.566739]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  406.571589]  ? bpf_prog_test_run+0x130/0x1a0
[  406.576009]  ? __x64_sys_bpf+0x3d8/0x520
[  406.580078]  ? bpf_prog_get+0x20/0x20
[  406.583912]  ? do_syscall_64+0x1b9/0x820
[  406.588168]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  406.593544]  ? syscall_return_slowpath+0x5e0/0x5e0
[  406.598484]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.603510]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  406.608533]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  406.615209]  ? __switch_to_asm+0x40/0x70
[  406.619272]  ? __switch_to_asm+0x34/0x70
[  406.623344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.628201]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  406.633591] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  406.633745] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.640187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  406.650661] syz-executor1 cpuset=
[  406.660007] Call Trace:
[  406.660018] syz1
[  406.663463]  <IRQ>
[  406.666041]  mems_allowed=0
[  406.668015]  dump_stack+0x244/0x39d
[  406.676699]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.681907]  warn_alloc.cold.117+0xb7/0x1bd
[  406.686245]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.691100]  ? lock_downgrade+0x900/0x900
[  406.695263]  ? trace_hardirqs_off+0xb8/0x310
[  406.699687]  ? trace_hardirqs_off+0xb8/0x310
[  406.704110]  __alloc_pages_slowpath+0x2660/0x2d70
[  406.708996]  ? warn_alloc+0x120/0x120
[  406.712825]  ? warn_alloc+0x120/0x120
[  406.716632]  ? print_usage_bug+0xc0/0xc0
[  406.720696]  ? warn_alloc+0x120/0x120
[  406.724505]  ? print_usage_bug+0xc0/0xc0
[  406.728576]  ? __lock_acquire+0x62f/0x4c20
[  406.732814]  ? __lock_acquire+0x62f/0x4c20
[  406.737058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.742598]  ? should_fail+0x22d/0xd01
[  406.746494]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.751780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.756887]  ? __lock_acquire+0x62f/0x4c20
[  406.761131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.766236]  ? __lock_acquire+0x62f/0x4c20
[  406.770472]  ? should_fail+0x22d/0xd01
[  406.774362]  ? rcu_irq_exit+0x1a2/0x390
[  406.778350]  ? mark_held_locks+0x130/0x130
[  406.782592]  ? mark_held_locks+0x130/0x130
[  406.786840]  ? mark_held_locks+0xc7/0x130
[  406.790992]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  406.796013]  ? zap_class+0x640/0x640
[  406.799729]  ? print_usage_bug+0xc0/0xc0
[  406.803799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.809341]  ? check_preemption_disabled+0x48/0x280
[  406.814369]  ? __lock_is_held+0xb5/0x140
[  406.818445]  __alloc_pages_nodemask+0xa80/0xde0
[  406.823119]  ? zap_class+0x640/0x640
[  406.826842]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  406.831877]  ? find_held_lock+0x36/0x1c0
[  406.835955]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.840628]  ? lock_downgrade+0x900/0x900
[  406.844791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.850340]  cache_grow_begin+0xa5/0x8c0
[  406.854411]  ? do_raw_spin_unlock+0xa7/0x330
[  406.858830]  fallback_alloc+0x204/0x2e0
[  406.862816]  ____cache_alloc_node+0x1c7/0x1e0
[  406.867325]  kmem_cache_alloc_node+0xe3/0x730
[  406.871826]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.876078]  __alloc_skb+0x119/0x770
[  406.879804]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.885087]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.889497]  ? lock_downgrade+0x900/0x900
[  406.893661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.899206]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.904665]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.910117]  ? addrconf_rs_timer+0x690/0x690
[  406.914541]  ndisc_alloc_skb+0x144/0x340
[  406.918613]  ndisc_send_rs+0x331/0x6e0
[  406.922510]  addrconf_rs_timer+0x314/0x690
[  406.926753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.931006]  call_timer_fn+0x272/0x920
[  406.934896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.939140]  ? process_timeout+0x40/0x40
[  406.943218]  ? mark_held_locks+0xc7/0x130
[  406.947370]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.951866]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.956360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.960597]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.965186]  ? trace_hardirqs_on+0xbd/0x310
[  406.969521]  ? kasan_check_read+0x11/0x20
[  406.973676]  ? __run_timers+0x7da/0xc70
[  406.977655]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.982770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.987013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.991257]  __run_timers+0x7e5/0xc70
[  406.995077]  ? timer_fixup_init+0x70/0x70
[  406.999227]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.004250]  ? zap_class+0x640/0x640
[  407.007972]  ? print_usage_bug+0xc0/0xc0
[  407.012041]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.017248]  ? find_held_lock+0x36/0x1c0
[  407.021322]  ? zap_class+0x640/0x640
[  407.025045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.030594]  ? check_preemption_disabled+0x48/0x280
[  407.035629]  ? __lock_is_held+0xb5/0x140
[  407.039697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.045237]  ? check_preemption_disabled+0x48/0x280
[  407.050270]  run_timer_softirq+0x52/0xb0
[  407.054333]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.059443]  __do_softirq+0x308/0xb7e
[  407.063251]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.067749]  ? lock_downgrade+0x900/0x900
[  407.071906]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.077025]  ? pvclock_read_flags+0x160/0x160
[  407.081528]  ? lapic_next_event+0x5a/0x90
[  407.085685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.091231]  ? kvm_clock_read+0x18/0x30
[  407.095214]  ? kvm_sched_clock_read+0x9/0x20
[  407.099630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.105170]  ? check_preemption_disabled+0x48/0x280
[  407.110206]  irq_exit+0x17f/0x1c0
[  407.113666]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.118520]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.124408]  ? interrupt_entry+0xb5/0xc0
[  407.128479]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.133496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.138521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.143368]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.148386]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.153408]  ? task_prio+0x50/0x50
[  407.156958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.162498]  ? check_preemption_disabled+0x48/0x280
[  407.167525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.172383]  apic_timer_interrupt+0xf/0x20
[  407.176626]  </IRQ>
[  407.178873] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  407.183981] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  407.202884] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  407.210602] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  407.217872] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  407.225146] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  407.232419] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  407.239695] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  407.247008]  shrink_active_list+0x67b/0x1c20
[  407.251420]  ? free_unref_page_list+0xd1b/0x11e0
[  407.256188]  ? shrink_inactive_list+0xa4a/0x1c60
[  407.260956]  ? zap_class+0x60f/0x640
[  407.264674]  ? shrink_inactive_list+0x1c60/0x1c60
[  407.269530]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.274037]  ? find_held_lock+0x36/0x1c0
[  407.278107]  ? __page_frag_cache_drain+0x200/0x200
[  407.283042]  ? print_usage_bug+0xc0/0xc0
[  407.287125]  ? find_held_lock+0x36/0x1c0
[  407.291199]  ? zap_class+0x640/0x640
[  407.294917]  ? mark_held_locks+0xc7/0x130
[  407.299084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.304626]  ? check_preemption_disabled+0x48/0x280
[  407.309656]  ? zap_class+0x640/0x640
[  407.313376]  ? __lock_is_held+0xb5/0x140
[  407.317441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.322981]  ? check_preemption_disabled+0x48/0x280
[  407.328010]  ? __lock_is_held+0xb5/0x140
[  407.332111]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.337140]  ? inactive_list_is_low+0x305/0x880
[  407.341823]  ? lruvec_lru_size+0x450/0x450
[  407.346061]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.351343]  ? rcu_softirq_qs+0x20/0x20
[  407.355333]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  407.360282]  shrink_node_memcg+0x803/0x18f0
[  407.364632]  ? shrink_active_list+0x1c20/0x1c20
[  407.369312]  ? lock_downgrade+0x900/0x900
[  407.373467]  ? check_flush_dependency+0x410/0x410
[  407.378324]  ? kasan_check_read+0x11/0x20
[  407.382484]  ? ___preempt_schedule+0x16/0x18
[  407.386904]  ? _raw_spin_unlock+0x3f/0x50
[  407.391063]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  407.396259]  shrink_node+0x3bc/0x16b0
[  407.400070]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  407.405378]  ? shrink_node_memcg+0x18f0/0x18f0
[  407.409967]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.414554]  ? trace_hardirqs_on+0xbd/0x310
[  407.418878]  ? vmpressure+0x271/0x340
[  407.422686]  ? do_raw_spin_trylock+0x270/0x270
[  407.427283]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  407.432839]  ? __cpuset_node_allowed+0x19b/0x660
[  407.437603]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  407.443321]  ? vmpressure+0x1a2/0x340
[  407.447137]  do_try_to_free_pages+0x3e7/0x1290
[  407.451727]  ? zap_class+0x640/0x640
[  407.455459]  ? shrink_node+0x16b0/0x16b0
[  407.459526]  ? __lock_is_held+0xb5/0x140
[  407.463605]  try_to_free_pages+0x4d0/0xb90
[  407.467846]  ? do_try_to_free_pages+0x1290/0x1290
[  407.472688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.478239]  ? lock_acquire+0x1ed/0x520
[  407.482394]  ? set_page_refcounted+0x280/0x280
[  407.486988]  ? lock_release+0xa00/0xa00
[  407.490979]  ? perf_trace_sched_process_exec+0x860/0x860
[  407.496448]  __alloc_pages_slowpath+0x9c4/0x2d70
[  407.501242]  ? warn_alloc+0x120/0x120
[  407.505046]  ? rcu_softirq_qs+0x20/0x20
[  407.509052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.514594]  ? should_fail+0x22d/0xd01
[  407.518491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.523604]  ? zap_class+0x640/0x640
[  407.527350]  ? __lock_is_held+0xb5/0x140
[  407.531423]  ? mark_held_locks+0x130/0x130
[  407.535667]  ? lock_release+0xa00/0xa00
[  407.539651]  ? perf_trace_sched_process_exec+0x860/0x860
[  407.545131]  ? __might_sleep+0x95/0x190
[  407.549117]  __alloc_pages_nodemask+0xa80/0xde0
[  407.553799]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  407.558818]  ? __page_cache_alloc+0x191/0x5c0
[  407.563320]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.568256]  ? kasan_check_read+0x11/0x20
[  407.572406]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.577688]  ? zap_class+0x640/0x640
[  407.581417]  ? zap_class+0x640/0x640
[  407.585132]  ? zap_class+0x640/0x640
[  407.588850]  ? __do_page_cache_readahead+0x7ce/0x980
[  407.593966]  ? find_held_lock+0x36/0x1c0
[  407.598042]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  407.603594]  alloc_pages_current+0x173/0x350
[  407.608018]  __page_cache_alloc+0x38c/0x5c0
[  407.612351]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.617284]  ? kasan_check_read+0x11/0x20
[  407.621438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.626729]  ? generic_perform_write+0x6a0/0x6a0
[  407.631490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.637036]  ? check_preemption_disabled+0x48/0x280
[  407.642063]  filemap_fault+0x1594/0x25f0
[  407.646151]  ? __lock_page_or_retry+0xa00/0xa00
[  407.650837]  ? mark_held_locks+0x130/0x130
[  407.655081]  ? rcu_softirq_qs+0x20/0x20
[  407.659077]  ? filemap_map_pages+0xe04/0x1990
[  407.663584]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.668193]  ? __free_object+0x173/0x340
[  407.672261]  ? debug_object_free+0x36f/0x690
[  407.676674]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  407.681606]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.686722]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  407.691407]  ? queue_work_on+0x12c/0x1e0
[  407.695477]  ? debug_object_free+0x36f/0x690
[  407.699893]  ? kasan_check_read+0x11/0x20
[  407.704050]  ? debug_object_destroy+0x2b0/0x2b0
[  407.708727]  ? lock_pi_update_atomic+0x150/0x150
[  407.713489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.719034]  ? __hrtimer_init+0xdb/0x240
[  407.723120]  ? lock_acquire+0x1ed/0x520
[  407.727111]  ? ext4_filemap_fault+0x7a/0xad
[  407.731452]  ? lock_release+0xa00/0xa00
[  407.735432]  ? perf_trace_sched_process_exec+0x860/0x860
[  407.740885]  ? print_usage_bug+0xc0/0xc0
[  407.744961]  ? print_usage_bug+0xc0/0xc0
[  407.749041]  ? down_read+0x8d/0x120
[  407.752669]  ? ext4_filemap_fault+0x7a/0xad
[  407.756997]  ? __down_interruptible+0x700/0x700
[  407.761686]  ext4_filemap_fault+0x82/0xad
[  407.765837]  __do_fault+0x100/0x6b0
[  407.769477]  ? pmd_devmap_trans_unstable+0x220/0x220
[  407.774589]  ? mark_held_locks+0x130/0x130
[  407.778829]  ? mark_held_locks+0x130/0x130
[  407.783078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.788625]  __handle_mm_fault+0x307c/0x5920
[  407.793035]  ? perf_trace_lock+0x7a0/0x7a0
[  407.797281]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  407.802138]  ? __switch_to_asm+0x34/0x70
[  407.806210]  ? __switch_to_asm+0x34/0x70
[  407.810289]  ? zap_class+0x640/0x640
[  407.814006]  ? zap_class+0x640/0x640
[  407.817722]  ? __x64_sys_futex+0x53e/0x6a0
[  407.821968]  ? find_held_lock+0x36/0x1c0
[  407.826041]  ? handle_mm_fault+0x42a/0xc70
[  407.830281]  ? lock_downgrade+0x900/0x900
[  407.834430]  ? check_preemption_disabled+0x48/0x280
[  407.839457]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.844389]  ? kasan_check_read+0x11/0x20
[  407.848543]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.853827]  ? rcu_softirq_qs+0x20/0x20
[  407.857808]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.862913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.868456]  ? check_preemption_disabled+0x48/0x280
[  407.873488]  handle_mm_fault+0x54f/0xc70
[  407.877557]  ? __handle_mm_fault+0x5920/0x5920
[  407.882159]  ? find_vma+0x34/0x190
[  407.885710]  __do_page_fault+0x5e8/0xe60
[  407.889780]  ? trace_hardirqs_off+0xb8/0x310
[  407.894206]  do_page_fault+0xf2/0x7e0
[  407.898010]  ? vmalloc_sync_all+0x30/0x30
[  407.902169]  ? error_entry+0x70/0xd0
[  407.905885]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.910927]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.915869]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.920803]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.925651]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.930672]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.936135]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.941174]  ? page_fault+0x8/0x30
[  407.944726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.949575]  ? page_fault+0x8/0x30
[  407.953125]  page_fault+0x1e/0x30
[  407.956588] RIP: 0033:0x45ddf3
[  407.959797] Code: Bad RIP value.
[  407.963168] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  407.968537] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  407.975804] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  407.983077] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  407.990347] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  407.997622] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  408.004917] warn_alloc_show_mem: 1 callbacks suppressed
[  408.004929] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  408.004931] Mem-Info:
[  408.010308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.017261] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  408.017261]  active_file:15 inactive_file:12 isolated_file:0
[  408.017261]  unevictable:0 dirty:0 writeback:0 unstable:0
[  408.017261]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  408.017261]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  408.017261]  free:13694 free_pcp:0 free_cma:0
[  408.019643] Call Trace:
[  408.029037] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  408.061887]  <IRQ>
[  408.064466] Node 0 
[  408.092137]  dump_stack+0x244/0x39d
[  408.094304] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  408.096520]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.100126] lowmem_reserve[]:
[  408.125639]  warn_alloc.cold.117+0xb7/0x1bd
[  408.130804]  0
[  408.133910]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.138212]  2819
[  408.140023]  ? lock_downgrade+0x900/0x900
[  408.144858]  6323
[  408.146926]  ? trace_hardirqs_off+0xb8/0x310
[  408.151057]  6323
[  408.153121]  ? trace_hardirqs_off+0xb8/0x310
[  408.159573]  __alloc_pages_slowpath+0x2660/0x2d70
[  408.163959] Node 0 DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  408.168833]  ? warn_alloc+0x120/0x120
[  408.168851]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.196161] lowmem_reserve[]: 0
[  408.199975]  ? warn_alloc+0x120/0x120
[  408.204973]  0
[  408.208258]  ? print_usage_bug+0xc0/0xc0
[  408.212041]  3503
[  408.213841]  ? warn_alloc+0x120/0x120
[  408.217884]  3503
[  408.219952]  ? print_usage_bug+0xc0/0xc0
[  408.223738] Node 0 
[  408.225808]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.229874] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  408.232090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.237257] lowmem_reserve[]:
[  408.265368]  ? should_fail+0x22d/0xd01
[  408.270885]  0
[  408.273993]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.277859]  0
[  408.279661]  ? __lock_acquire+0x62f/0x4c20
[  408.284739]  0 0
[  408.286558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.292751]  ? should_fail+0x22d/0xd01
[  408.297834] Node 0 DMA: 1*4kB 
[  408.301732]  ? mark_held_locks+0x130/0x130
[  408.301748]  ? mark_held_locks+0x130/0x130
[  408.304927] (U) 
[  408.309158]  ? print_usage_bug+0xc0/0xc0
[  408.309177]  ? find_held_lock+0x36/0x1c0
[  408.313386] 0*8kB 0*16kB 
[  408.315375]  ? zap_class+0x640/0x640
[  408.319424] 1*32kB 
[  408.323494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.326230] (U) 
[  408.329961]  ? check_preemption_disabled+0x48/0x280
[  408.332180] 2*64kB 
[  408.337719]  ? __lock_is_held+0xb5/0x140
[  408.339670] (U) 
[  408.344691]  __alloc_pages_nodemask+0xa80/0xde0
[  408.346909] 1*128kB 
[  408.350968]  ? zap_class+0x640/0x640
[  408.352950] (U) 
[  408.357619]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  408.359926] 1*256kB 
[  408.363644]  ? find_held_lock+0x36/0x1c0
[  408.365599] (U) 
[  408.370616]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.372918] 0*512kB 
[  408.376977]  ? lock_downgrade+0x900/0x900
[  408.378942] 1*1024kB 
[  408.383608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.385908] (U) 
[  408.390055]  cache_grow_begin+0xa5/0x8c0
[  408.392443] 1*2048kB (M) 
[  408.397993]  ? do_raw_spin_unlock+0xa7/0x330
[  408.399954] 3*4096kB 
[  408.404018]  fallback_alloc+0x204/0x2e0
[  408.406752] (M) 
[  408.411167]  ____cache_alloc_node+0x1c7/0x1e0
[  408.413559] = 15908kB
[  408.417534]  kmem_cache_alloc_node+0xe3/0x730
[  408.419493] Node 0 
[  408.423986]  ? mark_held_locks+0xc7/0x130
[  408.426382] DMA32: 
[  408.430885]  __alloc_skb+0x119/0x770
[  408.433099] 2*4kB 
[  408.437247]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.439468] (M) 
[  408.443182]  ? do_raw_spin_trylock+0x270/0x270
[  408.445317] 3*8kB 
[  408.449738]  ? kmem_cache_alloc_trace+0x353/0x750
[  408.451696] (UM) 
[  408.456281]  ? queue_work_on+0x12c/0x1e0
[  408.458414] 3*16kB 
[  408.463266]  ? switchdev_port_obj_del+0xdc/0x440
[  408.465308] (UM) 
[  408.469371]  ? switchdev_trans_item_enqueue+0x260/0x260
[  408.471588] 4*32kB 
[  408.476344]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.478385] (UM) 
[  408.483751]  __br_mdb_notify+0x4ff/0x15d0
[  408.485970] 5*64kB 
[  408.490994]  ? __br_mdb_add+0x7f0/0x7f0
[  408.493033] (UM) 
[  408.497208]  ? zap_class+0x640/0x640
[  408.499436] 4*128kB (M) 
[  408.503417]  ? br_multicast_group_expired+0x96/0x610
[  408.505457] 5*256kB 
[  408.509172]  ? lock_downgrade+0x900/0x900
[  408.511825] (UM) 
[  408.516928]  br_mdb_notify+0x310/0x410
[  408.519256] 5*512kB 
[  408.523402]  ? br_mdb_dump+0x27b0/0x27b0
[  408.525439] (UM) 4*1024kB 
[  408.529341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.531642] (UM) 
[  408.535709]  br_multicast_group_expired+0x1bc/0x610
[  408.538533] 2*2048kB 
[  408.544067]  ? br_mdb_free+0x80/0x80
[  408.546113] (M) 
[  408.551135]  call_timer_fn+0x272/0x920
[  408.553531] 3*4096kB 
[  408.557240]  ? br_mdb_free+0x80/0x80
[  408.559223] (M) 
[  408.563109]  ? process_timeout+0x40/0x40
[  408.565504] = 25360kB
[  408.569224]  ? __run_timers+0x7da/0xc70
[  408.571176] Node 0 
[  408.575240]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.577632] Normal: 
[  408.581604]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.583826] 783*4kB 
[  408.588441]  ? br_mdb_free+0x80/0x80
[  408.588458]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.590775] (UMEH) 
[  408.595272]  ? trace_hardirqs_on+0xbd/0x310
[  408.597578] 379*8kB 
[  408.601291]  ? kasan_check_read+0x11/0x20
[  408.605853] (MEH) 
[  408.608089]  ? __run_timers+0x7da/0xc70
[  408.612396] 205*16kB 
[  408.614743]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.618871] (UMEH) 
[  408.621024]  ? br_mdb_free+0x80/0x80
[  408.624979] 93*32kB 
[  408.627390]  ? br_mdb_free+0x80/0x80
[  408.632469] (UMEH) 
[  408.634703]  __run_timers+0x7e5/0xc70
[  408.638391] 24*64kB (UMH) 
[  408.640736]  ? timer_fixup_init+0x70/0x70
[  408.644424] 1*128kB 
[  408.646665]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.650462] (H) 
[  408.653304]  ? zap_class+0x640/0x640
[  408.657435] 0*256kB 
[  408.659766]  ? enqueue_hrtimer+0x1a5/0x560
[  408.664764] 0*512kB 
[  408.666741]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.670435] 0*1024kB 
[  408.672766]  ? find_held_lock+0x36/0x1c0
[  408.676971] 0*2048kB 0*4096kB 
[  408.679304]  ? zap_class+0x640/0x640
[  408.684473] = 14084kB
[  408.686886]  ? pvclock_read_flags+0x160/0x160
[  408.690929] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  408.694116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.697817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  408.700220]  ? check_preemption_disabled+0x48/0x280
[  408.704694] 1070 total pagecache pages
[  408.713534]  ? __lock_is_held+0xb5/0x140
[  408.719053] 0 pages in swap cache
[  408.727622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.732626] Swap cache stats: add 0, delete 0, find 0/0
[  408.736507]  ? check_preemption_disabled+0x48/0x280
[  408.740552] Free swap  = 0kB
[  408.744062]  run_timer_softirq+0x52/0xb0
[  408.749580] Total swap = 0kB
[  408.754939]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.759950] 1965979 pages RAM
[  408.762974]  __do_softirq+0x308/0xb7e
[  408.767011] 0 pages HighMem/MovableOnly
[  408.770029]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.775030] 342293 pages reserved
[  408.778131]  ? lock_downgrade+0x900/0x900
[  408.778152]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.781939] 0 pages cma reserved
[  408.782010] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.785926]  ? pvclock_read_flags+0x160/0x160
[  408.785943]  ? lapic_next_event+0x5a/0x90
[  408.785960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.790501] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.793901]  ? kvm_clock_read+0x18/0x30
[  408.798032] syz-fuzzer cpuset=
[  408.803136]  ? kvm_sched_clock_read+0x9/0x20
[  408.806497] /
[  408.812988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.817469]  mems_allowed=0
[  408.821611]  ? check_preemption_disabled+0x48/0x280
[  408.864049]  irq_exit+0x17f/0x1c0
[  408.867512]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.872361]  ? smp_reschedule_interrupt+0x109/0x650
[  408.877388]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.883277]  ? interrupt_entry+0xb5/0xc0
[  408.887345]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.892368]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.897388]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.902240]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.907261]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.912292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.917148]  apic_timer_interrupt+0xf/0x20
[  408.921380]  </IRQ>
[  408.923623] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  408.928582] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  408.947484] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  408.955196] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  408.962467] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  408.969736] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  408.977003] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  408.984273] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  408.991586]  skb_clone+0x1bb/0x500
[  408.995133]  ? finish_task_switch+0x1b4/0x910
[  408.999637]  ? skb_split+0x11e0/0x11e0
[  409.003529]  ? preempt_notifier_register+0x200/0x200
[  409.008636]  ? __switch_to_asm+0x34/0x70
[  409.012698]  ? __switch_to_asm+0x34/0x70
[  409.016764]  ? __switch_to_asm+0x40/0x70
[  409.020830]  ? __switch_to_asm+0x34/0x70
[  409.024909]  ? __switch_to_asm+0x40/0x70
[  409.028977]  ? __switch_to_asm+0x34/0x70
[  409.033038]  ? __switch_to_asm+0x40/0x70
[  409.037105]  ? __switch_to_asm+0x34/0x70
[  409.041174]  ? __switch_to_asm+0x34/0x70
[  409.045239]  ? __switch_to_asm+0x40/0x70
[  409.049309]  ? __switch_to_asm+0x34/0x70
[  409.053385]  bpf_clone_redirect+0xb9/0x490
[  409.057629]  ? __schedule+0x8d7/0x21d0
[  409.061525]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  409.066549]  ? __sched_text_start+0x8/0x8
[  409.070743]  ? find_held_lock+0x36/0x1c0
[  409.074818]  ? lock_acquire+0x1ed/0x520
[  409.078794]  ? bpf_test_run+0x3cb/0x780
[  409.082769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.088315]  ? check_preemption_disabled+0x48/0x280
[  409.093343]  ? kasan_check_read+0x11/0x20
[  409.097496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.102776]  ? rcu_softirq_qs+0x20/0x20
[  409.106759]  ? preempt_schedule+0x4d/0x60
[  409.110915]  ? ___preempt_schedule+0x16/0x18
[  409.115357]  ? bpf_test_run+0x25d/0x780
[  409.119375]  ? netlink_diag_dump+0x2a0/0x2a0
[  409.123794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.129331]  ? bpf_test_init.isra.10+0x70/0x100
[  409.134008]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  409.138783]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  409.143636]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  409.149179]  ? fput+0x130/0x1a0
[  409.152476]  ? __bpf_prog_get+0x9b/0x290
[  409.156543]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  409.161394]  ? bpf_prog_test_run+0x130/0x1a0
[  409.165813]  ? __x64_sys_bpf+0x3d8/0x520
[  409.169880]  ? bpf_prog_get+0x20/0x20
[  409.173704]  ? do_syscall_64+0x1b9/0x820
[  409.177771]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  409.183142]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.188081]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.193106]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  409.198133]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  409.204801]  ? __switch_to_asm+0x40/0x70
[  409.208861]  ? __switch_to_asm+0x34/0x70
[  409.212932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.217786]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  409.223173] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  409.223329] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.229769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.240243] syz-executor1 cpuset=
[  409.249586] Call Trace:
[  409.249596] syz1
[  409.253039]  <IRQ>
[  409.255617]  mems_allowed=0
[  409.257590]  dump_stack+0x244/0x39d
[  409.266275]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.271486]  warn_alloc.cold.117+0xb7/0x1bd
[  409.275815]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.280667]  ? lock_downgrade+0x900/0x900
[  409.284827]  ? trace_hardirqs_off+0xb8/0x310
[  409.289248]  ? trace_hardirqs_off+0xb8/0x310
[  409.293673]  __alloc_pages_slowpath+0x2660/0x2d70
[  409.298555]  ? warn_alloc+0x120/0x120
[  409.302370]  ? warn_alloc+0x120/0x120
[  409.306184]  ? print_usage_bug+0xc0/0xc0
[  409.310253]  ? warn_alloc+0x120/0x120
[  409.314060]  ? print_usage_bug+0xc0/0xc0
[  409.318127]  ? __lock_acquire+0x62f/0x4c20
[  409.322373]  ? __lock_acquire+0x62f/0x4c20
[  409.326620]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.332167]  ? should_fail+0x22d/0xd01
[  409.336063]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.341178]  ? __lock_acquire+0x62f/0x4c20
[  409.345426]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.350535]  ? __lock_acquire+0x62f/0x4c20
[  409.354770]  ? should_fail+0x22d/0xd01
[  409.358663]  ? find_held_lock+0x36/0x1c0
[  409.362736]  ? mark_held_locks+0x130/0x130
[  409.366978]  ? mark_held_locks+0x130/0x130
[  409.371215]  ? zap_class+0x640/0x640
[  409.374930]  ? zap_class+0x640/0x640
[  409.378656]  ? print_usage_bug+0xc0/0xc0
[  409.382719]  ? do_raw_spin_unlock+0xa7/0x330
[  409.387132]  ? zap_class+0x640/0x640
[  409.390858]  ? print_usage_bug+0xc0/0xc0
[  409.394922]  ? wq_watchdog_touch+0x9c/0xfe
[  409.399170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.404715]  ? check_preemption_disabled+0x48/0x280
[  409.409746]  ? __lock_is_held+0xb5/0x140
[  409.413815]  __alloc_pages_nodemask+0xa80/0xde0
[  409.418487]  ? zap_class+0x640/0x640
[  409.422211]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  409.427249]  ? find_held_lock+0x36/0x1c0
[  409.431337]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.436016]  ? lock_downgrade+0x900/0x900
[  409.440184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.445730]  cache_grow_begin+0xa5/0x8c0
[  409.449795]  ? do_raw_spin_unlock+0xa7/0x330
[  409.454219]  fallback_alloc+0x204/0x2e0
[  409.458208]  ____cache_alloc_node+0x1c7/0x1e0
[  409.462716]  kmem_cache_alloc_node+0xe3/0x730
[  409.467217]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.471466]  __alloc_skb+0x119/0x770
[  409.475188]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.480611]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.485029]  ? lock_downgrade+0x900/0x900
[  409.489189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.494733]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.500195]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  409.505648]  ? addrconf_rs_timer+0x690/0x690
[  409.510072]  ndisc_alloc_skb+0x144/0x340
[  409.514143]  ndisc_send_rs+0x331/0x6e0
[  409.518046]  addrconf_rs_timer+0x314/0x690
[  409.522294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.526546]  call_timer_fn+0x272/0x920
[  409.530434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.534677]  ? process_timeout+0x40/0x40
[  409.538752]  ? mark_held_locks+0xc7/0x130
[  409.542910]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.547419]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.551916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.556156]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.560742]  ? trace_hardirqs_on+0xbd/0x310
[  409.565070]  ? kasan_check_read+0x11/0x20
[  409.569224]  ? __run_timers+0x7da/0xc70
[  409.573202]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.578312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.582558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.586798]  __run_timers+0x7e5/0xc70
[  409.590622]  ? timer_fixup_init+0x70/0x70
[  409.594775]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  409.599799]  ? zap_class+0x640/0x640
[  409.603521]  ? print_usage_bug+0xc0/0xc0
[  409.607593]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  409.612807]  ? find_held_lock+0x36/0x1c0
[  409.616889]  ? zap_class+0x640/0x640
[  409.620614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.626153]  ? check_preemption_disabled+0x48/0x280
[  409.631184]  ? __lock_is_held+0xb5/0x140
[  409.635252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.640792]  ? check_preemption_disabled+0x48/0x280
[  409.645821]  run_timer_softirq+0x52/0xb0
[  409.649887]  ? rcu_read_lock_sched_held+0x14f/0x180
[  409.654908]  __do_softirq+0x308/0xb7e
[  409.658724]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  409.663222]  ? lock_downgrade+0x900/0x900
[  409.667386]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  409.672506]  ? pvclock_read_flags+0x160/0x160
[  409.677011]  ? lapic_next_event+0x5a/0x90
[  409.681165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.686734]  ? kvm_clock_read+0x18/0x30
[  409.690712]  ? kvm_sched_clock_read+0x9/0x20
[  409.695129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.700672]  ? check_preemption_disabled+0x48/0x280
[  409.705726]  irq_exit+0x17f/0x1c0
[  409.709196]  smp_apic_timer_interrupt+0x1cb/0x760
[  409.714052]  ? smp_call_function_single_interrupt+0x650/0x650
[  409.719946]  ? interrupt_entry+0xb5/0xc0
[  409.724015]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.729035]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.734058]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.738907]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.743942]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.748967]  ? task_prio+0x50/0x50
[  409.752513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.758053]  ? check_preemption_disabled+0x48/0x280
[  409.763077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.767941]  apic_timer_interrupt+0xf/0x20
[  409.772177]  </IRQ>
[  409.774422] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  409.779530] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  409.798434] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  409.806149] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  409.813420] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  409.820691] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  409.827961] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  409.835236] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  409.842533]  shrink_active_list+0x67b/0x1c20
[  409.846949]  ? free_unref_page_list+0xd1b/0x11e0
[  409.851716]  ? shrink_inactive_list+0xa4a/0x1c60
[  409.856483]  ? zap_class+0x60f/0x640
[  409.860208]  ? shrink_inactive_list+0x1c60/0x1c60
[  409.865070]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.869576]  ? find_held_lock+0x36/0x1c0
[  409.873639]  ? __page_frag_cache_drain+0x200/0x200
[  409.878573]  ? print_usage_bug+0xc0/0xc0
[  409.882651]  ? find_held_lock+0x36/0x1c0
[  409.886723]  ? zap_class+0x640/0x640
[  409.890439]  ? mark_held_locks+0xc7/0x130
[  409.894598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.900137]  ? check_preemption_disabled+0x48/0x280
[  409.905162]  ? zap_class+0x640/0x640
[  409.908879]  ? __lock_is_held+0xb5/0x140
[  409.912955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.918493]  ? check_preemption_disabled+0x48/0x280
[  409.923523]  ? __lock_is_held+0xb5/0x140
[  409.927607]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  409.932628]  ? inactive_list_is_low+0x305/0x880
[  409.937311]  ? lruvec_lru_size+0x450/0x450
[  409.941548]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.946489]  ? rcu_softirq_qs+0x20/0x20
[  409.950482]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  409.955427]  shrink_node_memcg+0x803/0x18f0
[  409.959769]  ? shrink_active_list+0x1c20/0x1c20
[  409.964448]  ? lock_downgrade+0x900/0x900
[  409.968603]  ? check_flush_dependency+0x410/0x410
[  409.973454]  ? kasan_check_read+0x11/0x20
[  409.977616]  ? ___preempt_schedule+0x16/0x18
[  409.982042]  ? _raw_spin_unlock+0x3f/0x50
[  409.986197]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  409.991392]  shrink_node+0x3bc/0x16b0
[  409.995204]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  410.000513]  ? shrink_node_memcg+0x18f0/0x18f0
[  410.005098]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.009684]  ? trace_hardirqs_on+0xbd/0x310
[  410.014008]  ? vmpressure+0x271/0x340
[  410.017817]  ? do_raw_spin_trylock+0x270/0x270
[  410.022428]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  410.027974]  ? __cpuset_node_allowed+0x19b/0x660
[  410.032738]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  410.038451]  ? vmpressure+0x1a2/0x340
[  410.042265]  do_try_to_free_pages+0x3e7/0x1290
[  410.046848]  ? zap_class+0x640/0x640
[  410.050582]  ? shrink_node+0x16b0/0x16b0
[  410.054649]  ? __lock_is_held+0xb5/0x140
[  410.058731]  try_to_free_pages+0x4d0/0xb90
[  410.062991]  ? do_try_to_free_pages+0x1290/0x1290
[  410.067851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.073410]  ? lock_acquire+0x1ed/0x520
[  410.077390]  ? set_page_refcounted+0x280/0x280
[  410.081992]  ? lock_release+0xa00/0xa00
[  410.085985]  ? perf_trace_sched_process_exec+0x860/0x860
[  410.091457]  __alloc_pages_slowpath+0x9c4/0x2d70
[  410.096249]  ? warn_alloc+0x120/0x120
[  410.100057]  ? rcu_softirq_qs+0x20/0x20
[  410.104063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.109605]  ? should_fail+0x22d/0xd01
[  410.113500]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.118607]  ? zap_class+0x640/0x640
[  410.122356]  ? __lock_is_held+0xb5/0x140
[  410.126432]  ? mark_held_locks+0x130/0x130
[  410.130678]  ? lock_release+0xa00/0xa00
[  410.134657]  ? perf_trace_sched_process_exec+0x860/0x860
[  410.140124]  ? __might_sleep+0x95/0x190
[  410.144111]  __alloc_pages_nodemask+0xa80/0xde0
[  410.148792]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  410.153811]  ? __page_cache_alloc+0x191/0x5c0
[  410.158309]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.163245]  ? kasan_check_read+0x11/0x20
[  410.167400]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.172684]  ? zap_class+0x640/0x640
[  410.176407]  ? zap_class+0x640/0x640
[  410.180122]  ? zap_class+0x640/0x640
[  410.183843]  ? __do_page_cache_readahead+0x7ce/0x980
[  410.188961]  ? find_held_lock+0x36/0x1c0
[  410.193033]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  410.198582]  alloc_pages_current+0x173/0x350
[  410.203001]  __page_cache_alloc+0x38c/0x5c0
[  410.207330]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.212266]  ? kasan_check_read+0x11/0x20
[  410.216416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.221702]  ? generic_perform_write+0x6a0/0x6a0
[  410.226465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.232009]  ? check_preemption_disabled+0x48/0x280
[  410.237038]  filemap_fault+0x1594/0x25f0
[  410.241117]  ? __lock_page_or_retry+0xa00/0xa00
[  410.245796]  ? mark_held_locks+0x130/0x130
[  410.250040]  ? rcu_softirq_qs+0x20/0x20
[  410.254037]  ? filemap_map_pages+0xe04/0x1990
[  410.258543]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.263134]  ? __free_object+0x173/0x340
[  410.267201]  ? debug_object_free+0x36f/0x690
[  410.271613]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  410.276547]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.281658]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  410.286344]  ? queue_work_on+0x12c/0x1e0
[  410.290411]  ? debug_object_free+0x36f/0x690
[  410.294820]  ? kasan_check_read+0x11/0x20
[  410.298979]  ? debug_object_destroy+0x2b0/0x2b0
[  410.303658]  ? lock_pi_update_atomic+0x150/0x150
[  410.308419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.313975]  ? __hrtimer_init+0xdb/0x240
[  410.318080]  ? lock_acquire+0x1ed/0x520
[  410.322060]  ? ext4_filemap_fault+0x7a/0xad
[  410.326393]  ? lock_release+0xa00/0xa00
[  410.330375]  ? perf_trace_sched_process_exec+0x860/0x860
[  410.335831]  ? print_usage_bug+0xc0/0xc0
[  410.339895]  ? print_usage_bug+0xc0/0xc0
[  410.343976]  ? down_read+0x8d/0x120
[  410.347607]  ? ext4_filemap_fault+0x7a/0xad
[  410.351934]  ? __down_interruptible+0x700/0x700
[  410.356629]  ext4_filemap_fault+0x82/0xad
[  410.360783]  __do_fault+0x100/0x6b0
[  410.364423]  ? pmd_devmap_trans_unstable+0x220/0x220
[  410.369535]  ? mark_held_locks+0x130/0x130
[  410.373772]  ? mark_held_locks+0x130/0x130
[  410.378024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.383573]  __handle_mm_fault+0x307c/0x5920
[  410.387982]  ? perf_trace_lock+0x7a0/0x7a0
[  410.392232]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  410.397084]  ? __switch_to_asm+0x34/0x70
[  410.401147]  ? __switch_to_asm+0x34/0x70
[  410.405231]  ? zap_class+0x640/0x640
[  410.408951]  ? zap_class+0x640/0x640
[  410.412669]  ? __x64_sys_futex+0x53e/0x6a0
[  410.416912]  ? find_held_lock+0x36/0x1c0
[  410.420992]  ? handle_mm_fault+0x42a/0xc70
[  410.425235]  ? lock_downgrade+0x900/0x900
[  410.429391]  ? check_preemption_disabled+0x48/0x280
[  410.434420]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.439357]  ? kasan_check_read+0x11/0x20
[  410.443511]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.448794]  ? rcu_softirq_qs+0x20/0x20
[  410.452770]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.457877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.463416]  ? check_preemption_disabled+0x48/0x280
[  410.468448]  handle_mm_fault+0x54f/0xc70
[  410.472517]  ? __handle_mm_fault+0x5920/0x5920
[  410.477107]  ? find_vma+0x34/0x190
[  410.480658]  __do_page_fault+0x5e8/0xe60
[  410.484725]  ? trace_hardirqs_off+0xb8/0x310
[  410.489149]  do_page_fault+0xf2/0x7e0
[  410.492966]  ? vmalloc_sync_all+0x30/0x30
[  410.497123]  ? error_entry+0x70/0xd0
[  410.500855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.505876]  ? trace_hardirqs_on_caller+0xc0/0x310
[  410.510808]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.515738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.520585]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.525601]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  410.531064]  ? prepare_exit_to_usermode+0x291/0x3b0
[  410.536084]  ? page_fault+0x8/0x30
[  410.539636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.544486]  ? page_fault+0x8/0x30
[  410.548035]  page_fault+0x1e/0x30
[  410.551489] RIP: 0033:0x45ddf3
[  410.554700] Code: Bad RIP value.
[  410.558062] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  410.563428] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  410.570700] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  410.577967] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  410.585239] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  410.592697] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  410.599992] warn_alloc_show_mem: 1 callbacks suppressed
[  410.600004] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  410.600006] Mem-Info:
[  410.600038] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  410.600038]  active_file:15 inactive_file:12 isolated_file:0
[  410.600038]  unevictable:0 dirty:0 writeback:0 unstable:0
[  410.600038]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  410.600038]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  410.600038]  free:13694 free_pcp:0 free_cma:0
[  410.605384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.612320] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  410.614727] Call Trace:
[  410.647598] Node 0 
[  410.656956]  <IRQ>
[  410.684659] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  410.687227]  dump_stack+0x244/0x39d
[  410.689436] lowmem_reserve[]: 0 2819 6323
[  410.691614]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.717111]  6323
[  410.720775]  warn_alloc.cold.117+0xb7/0x1bd
[  410.730078]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.732118] Node 0 
[  410.736451]  ? lock_downgrade+0x900/0x900
[  410.741559] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  410.743803]  ? trace_hardirqs_off+0xb8/0x310
[  410.747924] lowmem_reserve[]: 0
[  410.774667]  ? trace_hardirqs_off+0xb8/0x310
[  410.779054]  0 3503
[  410.782355]  __alloc_pages_slowpath+0x2660/0x2d70
[  410.786733]  3503
[  410.788998]  ? warn_alloc+0x120/0x120
[  410.795867]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.799670] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  410.804731]  ? warn_alloc+0x120/0x120
[  410.804752]  ? print_usage_bug+0xc0/0xc0
[  410.833454] lowmem_reserve[]: 0
[  410.837281]  ? warn_alloc+0x120/0x120
[  410.841315]  0 0
[  410.844611]  ? print_usage_bug+0xc0/0xc0
[  410.848391]  0
[  410.850375]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.854408] Node 0 
[  410.856230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.861393] DMA: 
[  410.863638]  ? should_fail+0x22d/0xd01
[  410.869156] 1*4kB 
[  410.871225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.875090] (U) 
[  410.877244]  ? __lock_acquire+0x62f/0x4c20
[  410.882328] 0*8kB 
[  410.884309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.888524] 0*16kB 
[  410.890680]  ? should_fail+0x22d/0xd01
[  410.895759] 1*32kB (U) 
[  410.898033]  ? mark_held_locks+0x130/0x130
[  410.901886] 2*64kB 
[  410.904476]  ? mark_held_locks+0x130/0x130
[  410.908689] (U) 
[  410.910932]  ? print_usage_bug+0xc0/0xc0
[  410.915155] 1*128kB 
[  410.917130]  ? find_held_lock+0x36/0x1c0
[  410.921179] (U) 
[  410.923526]  ? zap_class+0x640/0x640
[  410.927570] 1*256kB 
[  410.929549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.933245] (U) 0*512kB 
[  410.935585]  ? check_preemption_disabled+0x48/0x280
[  410.941095] 1*1024kB (U) 
[  410.943791]  ? __lock_is_held+0xb5/0x140
[  410.948778] 1*2048kB 
[  410.951535]  __alloc_pages_nodemask+0xa80/0xde0
[  410.955576] (M) 
[  410.957988]  ? zap_class+0x640/0x640
[  410.962645] 3*4096kB (M) 
[  410.964639]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  410.968331] = 15908kB
[  410.971099]  ? find_held_lock+0x36/0x1c0
[  410.976091] Node 0 
[  410.978523]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.982548] DMA32: 2*4kB 
[  410.984799]  ? lock_downgrade+0x900/0x900
[  410.989441] (M) 3*8kB 
[  410.992218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.996341] (UM) 
[  410.998855]  cache_grow_begin+0xa5/0x8c0
[  411.004363] 3*16kB 
[  411.006431]  ? do_raw_spin_unlock+0xa7/0x330
[  411.010473] (UM) 
[  411.012715]  fallback_alloc+0x204/0x2e0
[  411.017106] 4*32kB 
[  411.019176]  ____cache_alloc_node+0x1c7/0x1e0
[  411.023127] (UM) 
[  411.025371]  kmem_cache_alloc_node+0xe3/0x730
[  411.029842] 5*64kB (UM) 
[  411.031935]  ? mark_held_locks+0xc7/0x130
[  411.036414] 4*128kB (M) 
[  411.039105]  __alloc_skb+0x119/0x770
[  411.043221] 5*256kB (UM) 
[  411.045904]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.049598] 5*512kB 
[  411.052357]  ? do_raw_spin_trylock+0x270/0x270
[  411.056743] (UM) 
[  411.059068]  ? kmem_cache_alloc_trace+0x353/0x750
[  411.063628] 4*1024kB 
[  411.065693]  ? queue_work_on+0x12c/0x1e0
[  411.070510] (UM) 
[  411.072926]  ? switchdev_port_obj_del+0xdc/0x440
[  411.076969] 2*2048kB 
[  411.079034]  ? switchdev_trans_item_enqueue+0x260/0x260
[  411.083772] (M) 
[  411.086187]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  411.091531] 3*4096kB 
[  411.093512]  __br_mdb_notify+0x4ff/0x15d0
[  411.098511] (M) 
[  411.100932]  ? __br_mdb_add+0x7f0/0x7f0
[  411.105056] = 25360kB
[  411.107038]  ? zap_class+0x640/0x640
[  411.110988] Node 0 
[  411.113405]  ? br_multicast_group_expired+0x96/0x610
[  411.117097] Normal: 
[  411.119340]  ? lock_downgrade+0x900/0x900
[  411.124429] 783*4kB 
[  411.126764]  br_mdb_notify+0x310/0x410
[  411.130885] (UMEH) 
[  411.133208]  ? br_mdb_dump+0x27b0/0x27b0
[  411.137076] 379*8kB 
[  411.139316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.143354] (MEH) 
[  411.145680]  br_multicast_group_expired+0x1bc/0x610
[  411.151193] 205*16kB (UMEH) 
[  411.153356]  ? br_mdb_free+0x80/0x80
[  411.158354] 93*32kB 
[  411.161382]  call_timer_fn+0x272/0x920
[  411.165069] (UMEH) 
[  411.167395]  ? br_mdb_free+0x80/0x80
[  411.171256] 24*64kB (UMH) 
[  411.173507]  ? process_timeout+0x40/0x40
[  411.177198] 1*128kB 
[  411.180047]  ? __run_timers+0x7da/0xc70
[  411.184081] (H) 
[  411.186407]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.190363] 0*256kB 
[  411.192336]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.196818] 0*512kB 
[  411.199149]  ? br_mdb_free+0x80/0x80
[  411.203645] 0*1024kB 
[  411.205972]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.209668] 0*2048kB 
[  411.212083]  ? trace_hardirqs_on+0xbd/0x310
[  411.216650] 0*4096kB 
[  411.219060]  ? kasan_check_read+0x11/0x20
[  411.223360] = 14084kB
[  411.225772]  ? __run_timers+0x7da/0xc70
[  411.229905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  411.232312]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.236276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  411.245109]  ? br_mdb_free+0x80/0x80
[  411.250194] 1070 total pagecache pages
[  411.258768]  ? br_mdb_free+0x80/0x80
[  411.262476] 0 pages in swap cache
[  411.266349]  __run_timers+0x7e5/0xc70
[  411.270042] Swap cache stats: add 0, delete 0, find 0/0
[  411.273500]  ? timer_fixup_init+0x70/0x70
[  411.277265] Free swap  = 0kB
[  411.277275] Total swap = 0kB
[  411.282684]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.286817] 1965979 pages RAM
[  411.289831]  ? zap_class+0x640/0x640
[  411.292832] 0 pages HighMem/MovableOnly
[  411.297846]  ? enqueue_hrtimer+0x1a5/0x560
[  411.300932] 342293 pages reserved
[  411.304645]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.308600] 0 pages cma reserved
[  411.312833]  ? find_held_lock+0x36/0x1c0
[  411.316323] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  411.321459]  ? zap_class+0x640/0x640
[  411.325171] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.328867]  ? pvclock_read_flags+0x160/0x160
[  411.328886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.335498] syz-fuzzer cpuset=
[  411.339216]  ? check_preemption_disabled+0x48/0x280
[  411.339241]  ? __lock_is_held+0xb5/0x140
[  411.349621] /
[  411.354064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.354077]  ? check_preemption_disabled+0x48/0x280
[  411.354097]  run_timer_softirq+0x52/0xb0
[  411.354111]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.354129]  __do_softirq+0x308/0xb7e
[  411.354146]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  411.354159]  ? lock_downgrade+0x900/0x900
[  411.354179]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.354204]  ? pvclock_read_flags+0x160/0x160
[  411.359845]  mems_allowed=0
[  411.363062]  ? lapic_next_event+0x5a/0x90
[  411.422425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.427981]  ? kvm_clock_read+0x18/0x30
[  411.431959]  ? kvm_sched_clock_read+0x9/0x20
[  411.436377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.441920]  ? check_preemption_disabled+0x48/0x280
[  411.446956]  irq_exit+0x17f/0x1c0
[  411.450422]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.455279]  ? smp_reschedule_interrupt+0x109/0x650
[  411.460309]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.466201]  ? interrupt_entry+0xb5/0xc0
[  411.470269]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.475286]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.480780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.485624]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.490645]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.495686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.500554]  apic_timer_interrupt+0xf/0x20
[  411.504792]  </IRQ>
[  411.507038] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  411.511976] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  411.530888] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  411.538611] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  411.545887] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  411.553165] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  411.560433] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  411.567881] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  411.575201]  skb_clone+0x1bb/0x500
[  411.578761]  ? finish_task_switch+0x1b4/0x910
[  411.583267]  ? skb_split+0x11e0/0x11e0
[  411.587172]  ? preempt_notifier_register+0x200/0x200
[  411.592279]  ? __switch_to_asm+0x34/0x70
[  411.596342]  ? __switch_to_asm+0x34/0x70
[  411.600408]  ? __switch_to_asm+0x40/0x70
[  411.604473]  ? __switch_to_asm+0x34/0x70
[  411.608536]  ? __switch_to_asm+0x40/0x70
[  411.612601]  ? __switch_to_asm+0x34/0x70
[  411.616670]  ? __switch_to_asm+0x40/0x70
[  411.620730]  ? __switch_to_asm+0x34/0x70
[  411.624789]  ? __switch_to_asm+0x34/0x70
[  411.628849]  ? __switch_to_asm+0x40/0x70
[  411.632942]  ? __switch_to_asm+0x34/0x70
[  411.637028]  bpf_clone_redirect+0xb9/0x490
[  411.641281]  ? __schedule+0x8d7/0x21d0
[  411.645185]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  411.650205]  ? __sched_text_start+0x8/0x8
[  411.654369]  ? find_held_lock+0x36/0x1c0
[  411.658442]  ? lock_acquire+0x1ed/0x520
[  411.662418]  ? bpf_test_run+0x3cb/0x780
[  411.666400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.671970]  ? check_preemption_disabled+0x48/0x280
[  411.676996]  ? kasan_check_read+0x11/0x20
[  411.681159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.686454]  ? rcu_softirq_qs+0x20/0x20
[  411.690452]  ? preempt_schedule+0x4d/0x60
[  411.694607]  ? ___preempt_schedule+0x16/0x18
[  411.699029]  ? bpf_test_run+0x25d/0x780
[  411.703015]  ? netlink_diag_dump+0x2a0/0x2a0
[  411.707451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.713002]  ? bpf_test_init.isra.10+0x70/0x100
[  411.717680]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  411.722457]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  411.727326]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  411.732870]  ? fput+0x130/0x1a0
[  411.736163]  ? __bpf_prog_get+0x9b/0x290
[  411.740228]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  411.745076]  ? bpf_prog_test_run+0x130/0x1a0
[  411.749507]  ? __x64_sys_bpf+0x3d8/0x520
[  411.753575]  ? bpf_prog_get+0x20/0x20
[  411.757399]  ? do_syscall_64+0x1b9/0x820
[  411.761463]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  411.766862]  ? syscall_return_slowpath+0x5e0/0x5e0
[  411.771794]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.776812]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  411.781833]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  411.788503]  ? __switch_to_asm+0x40/0x70
[  411.792569]  ? __switch_to_asm+0x34/0x70
[  411.796640]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.801549]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  411.806955] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  411.807114] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.813545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.813555] Call Trace:
[  411.824038] syz-executor1 cpuset=
[  411.833400]  <IRQ>
[  411.835972] syz1
[  411.839426]  dump_stack+0x244/0x39d
[  411.841590]  mems_allowed=0
[  411.843563]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.855298]  warn_alloc.cold.117+0xb7/0x1bd
[  411.859632]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.864490]  ? lock_downgrade+0x900/0x900
[  411.868650]  ? trace_hardirqs_off+0xb8/0x310
[  411.873076]  ? trace_hardirqs_off+0xb8/0x310
[  411.877523]  __alloc_pages_slowpath+0x2660/0x2d70
[  411.882397]  ? warn_alloc+0x120/0x120
[  411.886202]  ? print_bfs_bug+0x80/0x80
[  411.890097]  ? warn_alloc+0x120/0x120
[  411.893902]  ? print_usage_bug+0xc0/0xc0
[  411.897981]  ? print_bfs_bug+0x80/0x80
[  411.901875]  ? mark_held_locks+0x130/0x130
[  411.906128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.911693]  ? should_fail+0x22d/0xd01
[  411.915585]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  411.921473]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.926583]  ? __lock_acquire+0x62f/0x4c20
[  411.930828]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.935935]  ? should_fail+0x22d/0xd01
[  411.939846]  ? mark_held_locks+0x130/0x130
[  411.944095]  ? mark_held_locks+0x130/0x130
[  411.948336]  ? zap_class+0x640/0x640
[  411.952065]  ? zap_class+0x640/0x640
[  411.955799]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  411.961685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.967221]  ? check_preemption_disabled+0x48/0x280
[  411.972246]  ? __lock_is_held+0xb5/0x140
[  411.976314]  __alloc_pages_nodemask+0xa80/0xde0
[  411.980999]  ? zap_class+0x640/0x640
[  411.984718]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  411.989751]  ? find_held_lock+0x36/0x1c0
[  411.993828]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.998500]  ? lock_downgrade+0x900/0x900
[  412.002664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.008212]  cache_grow_begin+0xa5/0x8c0
[  412.012280]  ? do_raw_spin_unlock+0xa7/0x330
[  412.016700]  fallback_alloc+0x204/0x2e0
[  412.020683]  ____cache_alloc_node+0x1c7/0x1e0
[  412.025186]  kmem_cache_alloc_node+0xe3/0x730
[  412.029683]  ? mark_held_locks+0xc7/0x130
[  412.033843]  __alloc_skb+0x119/0x770
[  412.037568]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.041985]  ? do_raw_spin_trylock+0x270/0x270
[  412.046567]  ? kmem_cache_alloc_trace+0x353/0x750
[  412.051419]  ? queue_work_on+0x12c/0x1e0
[  412.055522]  ? switchdev_port_obj_del+0xdc/0x440
[  412.060284]  ? switchdev_trans_item_enqueue+0x260/0x260
[  412.065656]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  412.070682]  __br_mdb_notify+0x4ff/0x15d0
[  412.074831]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  412.079949]  ? __br_mdb_add+0x7f0/0x7f0
[  412.083967]  ? mark_held_locks+0x130/0x130
[  412.088216]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  412.093327]  ? debug_object_assert_init+0x368/0x4b0
[  412.098346]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.103456]  ? debug_object_init_on_stack+0x20/0x20
[  412.108474]  ? zap_class+0x640/0x640
[  412.112195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.117745]  br_mdb_notify+0x310/0x410
[  412.121638]  ? br_mdb_dump+0x27b0/0x27b0
[  412.125716]  br_multicast_del_pg+0x3df/0x790
[  412.130134]  ? br_mdb_ip_get+0x940/0x940
[  412.134205]  ? rwlock_bug.part.2+0x90/0x90
[  412.138448]  ? __lock_is_held+0xb5/0x140
[  412.142527]  br_multicast_port_group_expired+0x189/0x1e0
[  412.147985]  call_timer_fn+0x272/0x920
[  412.151903]  ? br_multicast_del_pg+0x790/0x790
[  412.156505]  ? process_timeout+0x40/0x40
[  412.160589]  ? mark_held_locks+0xc7/0x130
[  412.164749]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.169261]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.173760]  ? br_multicast_del_pg+0x790/0x790
[  412.178346]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.182932]  ? trace_hardirqs_on+0xbd/0x310
[  412.187264]  ? kasan_check_read+0x11/0x20
[  412.191415]  ? __run_timers+0x7da/0xc70
[  412.195393]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.200503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.204746]  ? br_multicast_del_pg+0x790/0x790
[  412.209331]  __run_timers+0x7e5/0xc70
[  412.213143]  ? timer_fixup_init+0x70/0x70
[  412.217288]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  412.222317]  ? zap_class+0x640/0x640
[  412.226038]  ? print_usage_bug+0xc0/0xc0
[  412.230970]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  412.236192]  ? find_held_lock+0x36/0x1c0
[  412.240259]  ? zap_class+0x640/0x640
[  412.243979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.249537]  ? check_preemption_disabled+0x48/0x280
[  412.254569]  ? __lock_is_held+0xb5/0x140
[  412.258634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.264177]  ? check_preemption_disabled+0x48/0x280
[  412.269241]  run_timer_softirq+0x52/0xb0
[  412.273306]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.278339]  __do_softirq+0x308/0xb7e
[  412.282202]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  412.286708]  ? lock_downgrade+0x900/0x900
[  412.290872]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.295984]  ? pvclock_read_flags+0x160/0x160
[  412.300500]  ? lapic_next_event+0x5a/0x90
[  412.304713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.310276]  ? kvm_clock_read+0x18/0x30
[  412.314274]  ? kvm_sched_clock_read+0x9/0x20
[  412.318683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.324225]  ? check_preemption_disabled+0x48/0x280
[  412.329254]  irq_exit+0x17f/0x1c0
[  412.332715]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.337566]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.343456]  ? interrupt_entry+0xb5/0xc0
[  412.347525]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.352540]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.357563]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.362407]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.367421]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.372439]  ? task_prio+0x50/0x50
[  412.376006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.381549]  ? check_preemption_disabled+0x48/0x280
[  412.386576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.391437]  apic_timer_interrupt+0xf/0x20
[  412.395669]  </IRQ>
[  412.397929] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  412.403053] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  412.421966] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  412.429685] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  412.436979] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  412.444244] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  412.451511] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  412.458777] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  412.466080]  shrink_active_list+0x67b/0x1c20
[  412.470496]  ? free_unref_page_list+0xd1b/0x11e0
[  412.475269]  ? shrink_inactive_list+0xa4a/0x1c60
[  412.480039]  ? zap_class+0x60f/0x640
[  412.483762]  ? shrink_inactive_list+0x1c60/0x1c60
[  412.488620]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.493164]  ? find_held_lock+0x36/0x1c0
[  412.497234]  ? __page_frag_cache_drain+0x200/0x200
[  412.502168]  ? print_usage_bug+0xc0/0xc0
[  412.506248]  ? find_held_lock+0x36/0x1c0
[  412.510312]  ? zap_class+0x640/0x640
[  412.514041]  ? mark_held_locks+0xc7/0x130
[  412.518203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.523744]  ? check_preemption_disabled+0x48/0x280
[  412.528769]  ? zap_class+0x640/0x640
[  412.532506]  ? __lock_is_held+0xb5/0x140
[  412.536584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.542135]  ? check_preemption_disabled+0x48/0x280
[  412.547184]  ? __lock_is_held+0xb5/0x140
[  412.551261]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  412.556286]  ? inactive_list_is_low+0x305/0x880
[  412.560972]  ? lruvec_lru_size+0x450/0x450
[  412.565207]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.570142]  ? rcu_softirq_qs+0x20/0x20
[  412.574141]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  412.579101]  shrink_node_memcg+0x803/0x18f0
[  412.583442]  ? shrink_active_list+0x1c20/0x1c20
[  412.588623]  ? lock_downgrade+0x900/0x900
[  412.592777]  ? check_flush_dependency+0x410/0x410
[  412.597632]  ? kasan_check_read+0x11/0x20
[  412.601810]  ? ___preempt_schedule+0x16/0x18
[  412.606233]  ? _raw_spin_unlock+0x3f/0x50
[  412.610386]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  412.615586]  shrink_node+0x3bc/0x16b0
[  412.619393]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  412.624703]  ? shrink_node_memcg+0x18f0/0x18f0
[  412.629284]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.633872]  ? trace_hardirqs_on+0xbd/0x310
[  412.638211]  ? vmpressure+0x271/0x340
[  412.642030]  ? do_raw_spin_trylock+0x270/0x270
[  412.646635]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  412.652204]  ? __cpuset_node_allowed+0x19b/0x660
[  412.656985]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  412.662696]  ? vmpressure+0x1a2/0x340
[  412.666515]  do_try_to_free_pages+0x3e7/0x1290
[  412.671098]  ? zap_class+0x640/0x640
[  412.674832]  ? shrink_node+0x16b0/0x16b0
[  412.678895]  ? __lock_is_held+0xb5/0x140
[  412.682977]  try_to_free_pages+0x4d0/0xb90
[  412.687220]  ? do_try_to_free_pages+0x1290/0x1290
[  412.692068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.697621]  ? lock_acquire+0x1ed/0x520
[  412.701601]  ? set_page_refcounted+0x280/0x280
[  412.706195]  ? lock_release+0xa00/0xa00
[  412.710192]  ? perf_trace_sched_process_exec+0x860/0x860
[  412.715663]  __alloc_pages_slowpath+0x9c4/0x2d70
[  412.720454]  ? warn_alloc+0x120/0x120
[  412.724261]  ? rcu_softirq_qs+0x20/0x20
[  412.728270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.733812]  ? should_fail+0x22d/0xd01
[  412.737705]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.742811]  ? zap_class+0x640/0x640
[  412.746556]  ? __lock_is_held+0xb5/0x140
[  412.750629]  ? mark_held_locks+0x130/0x130
[  412.754867]  ? lock_release+0xa00/0xa00
[  412.758844]  ? perf_trace_sched_process_exec+0x860/0x860
[  412.764306]  ? __might_sleep+0x95/0x190
[  412.768290]  __alloc_pages_nodemask+0xa80/0xde0
[  412.772971]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  412.777996]  ? __page_cache_alloc+0x191/0x5c0
[  412.782493]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.787423]  ? kasan_check_read+0x11/0x20
[  412.791582]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.796864]  ? zap_class+0x640/0x640
[  412.800588]  ? zap_class+0x640/0x640
[  412.804304]  ? zap_class+0x640/0x640
[  412.808021]  ? __do_page_cache_readahead+0x7ce/0x980
[  412.813130]  ? find_held_lock+0x36/0x1c0
[  412.817208]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  412.822753]  alloc_pages_current+0x173/0x350
[  412.827176]  __page_cache_alloc+0x38c/0x5c0
[  412.831504]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.836433]  ? kasan_check_read+0x11/0x20
[  412.840586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.845865]  ? generic_perform_write+0x6a0/0x6a0
[  412.850621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.856166]  ? check_preemption_disabled+0x48/0x280
[  412.861202]  filemap_fault+0x1594/0x25f0
[  412.865301]  ? __lock_page_or_retry+0xa00/0xa00
[  412.869977]  ? mark_held_locks+0x130/0x130
[  412.874213]  ? rcu_softirq_qs+0x20/0x20
[  412.878205]  ? filemap_map_pages+0xe04/0x1990
[  412.882709]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.887296]  ? __free_object+0x173/0x340
[  412.891358]  ? debug_object_free+0x36f/0x690
[  412.895814]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  412.900749]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.905858]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  412.910536]  ? queue_work_on+0x12c/0x1e0
[  412.914604]  ? debug_object_free+0x36f/0x690
[  412.919012]  ? kasan_check_read+0x11/0x20
[  412.923169]  ? debug_object_destroy+0x2b0/0x2b0
[  412.927845]  ? lock_pi_update_atomic+0x150/0x150
[  412.932601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.938140]  ? __hrtimer_init+0xdb/0x240
[  412.942227]  ? lock_acquire+0x1ed/0x520
[  412.946203]  ? ext4_filemap_fault+0x7a/0xad
[  412.950534]  ? lock_release+0xa00/0xa00
[  412.954530]  ? perf_trace_sched_process_exec+0x860/0x860
[  412.959983]  ? print_usage_bug+0xc0/0xc0
[  412.964049]  ? print_usage_bug+0xc0/0xc0
[  412.968124]  ? down_read+0x8d/0x120
[  412.971850]  ? ext4_filemap_fault+0x7a/0xad
[  412.976178]  ? __down_interruptible+0x700/0x700
[  412.980871]  ext4_filemap_fault+0x82/0xad
[  412.985061]  __do_fault+0x100/0x6b0
[  412.988694]  ? pmd_devmap_trans_unstable+0x220/0x220
[  412.993803]  ? mark_held_locks+0x130/0x130
[  412.998065]  ? mark_held_locks+0x130/0x130
[  413.002312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.007854]  __handle_mm_fault+0x307c/0x5920
[  413.012264]  ? perf_trace_lock+0x7a0/0x7a0
[  413.016508]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  413.021362]  ? __switch_to_asm+0x34/0x70
[  413.025422]  ? __switch_to_asm+0x34/0x70
[  413.029497]  ? zap_class+0x640/0x640
[  413.033210]  ? zap_class+0x640/0x640
[  413.036928]  ? __x64_sys_futex+0x53e/0x6a0
[  413.041178]  ? find_held_lock+0x36/0x1c0
[  413.045249]  ? handle_mm_fault+0x42a/0xc70
[  413.049485]  ? lock_downgrade+0x900/0x900
[  413.053638]  ? check_preemption_disabled+0x48/0x280
[  413.058664]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.063594]  ? kasan_check_read+0x11/0x20
[  413.067745]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.073024]  ? rcu_softirq_qs+0x20/0x20
[  413.077001]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.082110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.087647]  ? check_preemption_disabled+0x48/0x280
[  413.092674]  handle_mm_fault+0x54f/0xc70
[  413.096739]  ? __handle_mm_fault+0x5920/0x5920
[  413.101331]  ? find_vma+0x34/0x190
[  413.104879]  __do_page_fault+0x5e8/0xe60
[  413.108943]  ? trace_hardirqs_off+0xb8/0x310
[  413.113368]  do_page_fault+0xf2/0x7e0
[  413.117183]  ? vmalloc_sync_all+0x30/0x30
[  413.121335]  ? error_entry+0x70/0xd0
[  413.125054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.130070]  ? trace_hardirqs_on_caller+0xc0/0x310
[  413.135004]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.139933]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.144787]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.149809]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  413.155270]  ? prepare_exit_to_usermode+0x291/0x3b0
[  413.160289]  ? page_fault+0x8/0x30
[  413.163838]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.168683]  ? page_fault+0x8/0x30
[  413.172228]  page_fault+0x1e/0x30
[  413.175685] RIP: 0033:0x45ddf3
[  413.178890] Code: Bad RIP value.
[  413.182251] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  413.187618] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  413.194887] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  413.202163] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  413.209433] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  413.216699] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  413.223996] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  413.224010] warn_alloc_show_mem: 1 callbacks suppressed
[  413.224015] Mem-Info:
[  413.230940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.236317] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  413.236317]  active_file:15 inactive_file:12 isolated_file:0
[  413.236317]  unevictable:0 dirty:0 writeback:0 unstable:0
[  413.236317]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  413.236317]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  413.236317]  free:13694 free_pcp:0 free_cma:0
[  413.238691] Call Trace:
[  413.248087] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  413.280936]  <IRQ>
[  413.283531] Node 0 
[  413.311207]  dump_stack+0x244/0x39d
[  413.313364] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  413.315575]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.319177] lowmem_reserve[]:
[  413.344689]  warn_alloc.cold.117+0xb7/0x1bd
[  413.349848]  0
[  413.352955]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.357252]  2819 6323
[  413.359064]  ? lock_downgrade+0x900/0x900
[  413.363883]  6323
[  413.366391]  ? trace_hardirqs_off+0xb8/0x310
[  413.370515] Node 0 
[  413.372578]  ? trace_hardirqs_off+0xb8/0x310
[  413.376985] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  413.379197]  __alloc_pages_slowpath+0x2660/0x2d70
[  413.383571] lowmem_reserve[]: 0
[  413.410324]  ? warn_alloc+0x120/0x120
[  413.415155]  0
[  413.418450]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.422221]  3503
[  413.424020]  ? warn_alloc+0x120/0x120
[  413.429026]  3503
[  413.431090]  ? print_usage_bug+0xc0/0xc0
[  413.436940]  ? warn_alloc+0x120/0x120
[  413.440988] Node 0 
[  413.444779]  ? print_usage_bug+0xc0/0xc0
[  413.444810] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  413.444817] lowmem_reserve[]:
[  413.447064]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.451094]  0 0
[  413.479218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.482485]  0 0
[  413.487691]  ? should_fail+0x22d/0xd01
[  413.495194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.497159] Node 0 
[  413.501042]  ? __lock_acquire+0x62f/0x4c20
[  413.506134] DMA: 
[  413.508390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.512617] 1*4kB 
[  413.514663]  ? should_fail+0x22d/0xd01
[  413.519747] (U) 
[  413.521903]  ? mark_held_locks+0x130/0x130
[  413.525764] 0*8kB 
[  413.527734]  ? mark_held_locks+0x130/0x130
[  413.531954] 0*16kB 
[  413.534102]  ? print_usage_bug+0xc0/0xc0
[  413.538315] 1*32kB 
[  413.540556]  ? find_held_lock+0x36/0x1c0
[  413.544599] (U) 
[  413.546845]  ? zap_class+0x640/0x640
[  413.550882] 2*64kB (U) 
[  413.552879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.556574] 1*128kB 
[  413.559164]  ? check_preemption_disabled+0x48/0x280
[  413.564671] (U) 
[  413.566994]  ? __lock_is_held+0xb5/0x140
[  413.571986] 1*256kB 
[  413.573965]  __alloc_pages_nodemask+0xa80/0xde0
[  413.577999] (U) 0*512kB 
[  413.580358]  ? zap_class+0x640/0x640
[  413.585018] 1*1024kB 
[  413.587694]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  413.591389] (U) 
[  413.593805]  ? find_held_lock+0x36/0x1c0
[  413.598793] 1*2048kB (M) 
[  413.600779]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.604813] 3*4096kB 
[  413.607565]  ? lock_downgrade+0x900/0x900
[  413.612214] (M) 
[  413.614624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.618748] = 15908kB
[  413.620721]  cache_grow_begin+0xa5/0x8c0
[  413.626236] Node 0 
[  413.628641]  ? do_raw_spin_unlock+0xa7/0x330
[  413.632680] DMA32: 
[  413.634918]  fallback_alloc+0x204/0x2e0
[  413.639302] 2*4kB 
[  413.641538]  ____cache_alloc_node+0x1c7/0x1e0
[  413.645488] (M) 
[  413.647637]  kmem_cache_alloc_node+0xe3/0x730
[  413.652110] 3*8kB 
[  413.654086]  ? mark_held_locks+0xc7/0x130
[  413.658559] (UM) 
[  413.660715]  __alloc_skb+0x119/0x770
[  413.664836] 3*16kB 
[  413.666900]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.670590] (UM) 
[  413.672839]  ? do_raw_spin_trylock+0x270/0x270
[  413.677239] 4*32kB 
[  413.679300]  ? kmem_cache_alloc_trace+0x353/0x750
[  413.683860] (UM) 
[  413.686094]  ? queue_work_on+0x12c/0x1e0
[  413.690919] 5*64kB 
[  413.692980]  ? switchdev_port_obj_del+0xdc/0x440
[  413.697015] (UM) 
[  413.699252]  ? switchdev_trans_item_enqueue+0x260/0x260
[  413.703987] 4*128kB 
[  413.706089]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  413.711431] (M) 
[  413.713771]  __br_mdb_notify+0x4ff/0x15d0
[  413.718765] 5*256kB 
[  413.720760]  ? __br_mdb_add+0x7f0/0x7f0
[  413.724889] (UM) 
[  413.727226]  ? zap_class+0x640/0x640
[  413.731177] 5*512kB 
[  413.733244]  ? br_multicast_group_expired+0x96/0x610
[  413.736929] (UM) 
[  413.739251]  ? lock_downgrade+0x900/0x900
[  413.744332] 4*1024kB 
[  413.746398]  br_mdb_notify+0x310/0x410
[  413.750535] (UM) 
[  413.752966]  ? br_mdb_dump+0x27b0/0x27b0
[  413.752983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.756863] 2*2048kB 
[  413.758939]  br_multicast_group_expired+0x1bc/0x610
[  413.763005] (M) 
[  413.768535]  ? br_mdb_free+0x80/0x80
[  413.770930] 3*4096kB 
[  413.775988]  call_timer_fn+0x272/0x920
[  413.777945] (M) 
[  413.781652]  ? br_mdb_free+0x80/0x80
[  413.784044] = 25360kB
[  413.787930]  ? process_timeout+0x40/0x40
[  413.789894] Node 0 
[  413.793609]  ? __run_timers+0x7da/0xc70
[  413.795992] Normal: 
[  413.800073]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.802289] 783*4kB 
[  413.806263]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.808569] (UMEH) 
[  413.813059]  ? br_mdb_free+0x80/0x80
[  413.815366] 379*8kB 
[  413.819855]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.822089] (MEH) 
[  413.825800]  ? trace_hardirqs_on+0xbd/0x310
[  413.828107] 205*16kB 
[  413.832696]  ? kasan_check_read+0x11/0x20
[  413.834823] (UMEH) 
[  413.839140]  ? __run_timers+0x7da/0xc70
[  413.841531] 93*32kB 
[  413.845676]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.847894] (UMEH) 
[  413.851869]  ? br_mdb_free+0x80/0x80
[  413.854171] 24*64kB 
[  413.859267]  ? br_mdb_free+0x80/0x80
[  413.861479] (UMH) 
[  413.865191]  __run_timers+0x7e5/0xc70
[  413.867493] 1*128kB 
[  413.871208]  ? timer_fixup_init+0x70/0x70
[  413.873331] (H) 
[  413.877179]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.879477] 0*256kB 
[  413.883630]  ? zap_class+0x640/0x640
[  413.885589] 0*512kB 
[  413.890602]  ? enqueue_hrtimer+0x1a5/0x560
[  413.892902] 0*1024kB 
[  413.896613]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.898928] 0*2048kB 
[  413.903169]  ? find_held_lock+0x36/0x1c0
[  413.905549] 0*4096kB 
[  413.910739]  ? zap_class+0x640/0x640
[  413.913129] = 14084kB
[  413.917198]  ? pvclock_read_flags+0x160/0x160
[  413.919590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  413.923293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.925702] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  413.930191]  ? check_preemption_disabled+0x48/0x280
[  413.939014] 1070 total pagecache pages
[  413.939033] 0 pages in swap cache
[  413.944568]  ? __lock_is_held+0xb5/0x140
[  413.953133] Swap cache stats: add 0, delete 0, find 0/0
[  413.958154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.962012] Free swap  = 0kB
[  413.965469]  ? check_preemption_disabled+0x48/0x280
[  413.969509] Total swap = 0kB
[  413.974875]  run_timer_softirq+0x52/0xb0
[  413.980389] 1965979 pages RAM
[  413.983402]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.988412] 0 pages HighMem/MovableOnly
[  413.991427]  __do_softirq+0x308/0xb7e
[  413.995463] 342293 pages reserved
[  413.998563]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  414.003561] 0 pages cma reserved
[  414.007532]  ? lock_downgrade+0x900/0x900
[  414.011964] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.014766]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.019255] syz-fuzzer cpuset=
[  414.022626]  ? pvclock_read_flags+0x160/0x160
[  414.026748] /
[  414.036982]  ? lapic_next_event+0x5a/0x90
[  414.042067]  mems_allowed=0
[  414.045257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.064032]  ? kvm_clock_read+0x18/0x30
[  414.068010]  ? kvm_sched_clock_read+0x9/0x20
[  414.072420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.077965]  ? check_preemption_disabled+0x48/0x280
[  414.082992]  irq_exit+0x17f/0x1c0
[  414.086452]  smp_apic_timer_interrupt+0x1cb/0x760
[  414.091304]  ? smp_reschedule_interrupt+0x109/0x650
[  414.096322]  ? smp_call_function_single_interrupt+0x650/0x650
[  414.102209]  ? interrupt_entry+0xb5/0xc0
[  414.106278]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.111307]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.116324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.121180]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.126200]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.131228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.136083]  apic_timer_interrupt+0xf/0x20
[  414.140306]  </IRQ>
[  414.142558] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  414.147488] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  414.166403] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  414.174127] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  414.181403] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  414.188669] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  414.195938] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  414.203205] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  414.210513]  skb_clone+0x1bb/0x500
[  414.214056]  ? finish_task_switch+0x1b4/0x910
[  414.218559]  ? skb_split+0x11e0/0x11e0
[  414.222455]  ? preempt_notifier_register+0x200/0x200
[  414.227560]  ? __switch_to_asm+0x34/0x70
[  414.231618]  ? __switch_to_asm+0x34/0x70
[  414.235680]  ? __switch_to_asm+0x40/0x70
[  414.239739]  ? __switch_to_asm+0x34/0x70
[  414.243799]  ? __switch_to_asm+0x40/0x70
[  414.247862]  ? __switch_to_asm+0x34/0x70
[  414.251920]  ? __switch_to_asm+0x40/0x70
[  414.255986]  ? __switch_to_asm+0x34/0x70
[  414.260046]  ? __switch_to_asm+0x34/0x70
[  414.264116]  ? __switch_to_asm+0x40/0x70
[  414.268184]  ? __switch_to_asm+0x34/0x70
[  414.272261]  bpf_clone_redirect+0xb9/0x490
[  414.276504]  ? __schedule+0x8d7/0x21d0
[  414.280402]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  414.285423]  ? __sched_text_start+0x8/0x8
[  414.289596]  ? find_held_lock+0x36/0x1c0
[  414.293666]  ? lock_acquire+0x1ed/0x520
[  414.297643]  ? bpf_test_run+0x3cb/0x780
[  414.301619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.307168]  ? check_preemption_disabled+0x48/0x280
[  414.312203]  ? kasan_check_read+0x11/0x20
[  414.316354]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.321631]  ? rcu_softirq_qs+0x20/0x20
[  414.325611]  ? preempt_schedule+0x4d/0x60
[  414.329760]  ? ___preempt_schedule+0x16/0x18
[  414.334210]  ? bpf_test_run+0x25d/0x780
[  414.338195]  ? netlink_diag_dump+0x2a0/0x2a0
[  414.342606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.348157]  ? bpf_test_init.isra.10+0x70/0x100
[  414.352831]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  414.357596]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  414.362456]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  414.368014]  ? fput+0x130/0x1a0
[  414.371293]  ? __bpf_prog_get+0x9b/0x290
[  414.375371]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  414.380215]  ? bpf_prog_test_run+0x130/0x1a0
[  414.384631]  ? __x64_sys_bpf+0x3d8/0x520
[  414.388696]  ? bpf_prog_get+0x20/0x20
[  414.392522]  ? do_syscall_64+0x1b9/0x820
[  414.396584]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  414.401969]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.406937]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.411957]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  414.416976]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  414.423645]  ? __switch_to_asm+0x40/0x70
[  414.427704]  ? __switch_to_asm+0x34/0x70
[  414.431769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.436624]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  414.442020] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  414.442312] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.448609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.459083] syz-executor1 cpuset=
[  414.468436] Call Trace:
[  414.468449] syz1
[  414.471886]  <IRQ>
[  414.474466]  mems_allowed=0
[  414.476440]  dump_stack+0x244/0x39d
[  414.485131]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.490337]  warn_alloc.cold.117+0xb7/0x1bd
[  414.494666]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.499513]  ? lock_downgrade+0x900/0x900
[  414.503670]  ? trace_hardirqs_off+0xb8/0x310
[  414.508100]  ? trace_hardirqs_off+0xb8/0x310
[  414.512527]  __alloc_pages_slowpath+0x2660/0x2d70
[  414.517392]  ? print_bfs_bug+0x80/0x80
[  414.521289]  ? warn_alloc+0x120/0x120
[  414.525100]  ? warn_alloc+0x120/0x120
[  414.528919]  ? print_usage_bug+0xc0/0xc0
[  414.532997]  ? warn_alloc+0x120/0x120
[  414.536798]  ? print_usage_bug+0xc0/0xc0
[  414.540856]  ? check_usage+0x1aa/0x790
[  414.544743]  ? mark_held_locks+0x130/0x130
[  414.548975]  ? __lock_is_held+0xb5/0x140
[  414.553045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.558590]  ? should_fail+0x22d/0xd01
[  414.562482]  ? check_usage_forwards+0x3d0/0x3d0
[  414.567163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.572269]  ? __lock_acquire+0x62f/0x4c20
[  414.576514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.581617]  ? should_fail+0x22d/0xd01
[  414.585512]  ? mark_held_locks+0x130/0x130
[  414.590268]  ? mark_held_locks+0x130/0x130
[  414.594503]  ? print_usage_bug+0xc0/0xc0
[  414.598585]  ? find_held_lock+0x36/0x1c0
[  414.602662]  ? zap_class+0x640/0x640
[  414.606383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.611919]  ? check_preemption_disabled+0x48/0x280
[  414.616954]  ? __lock_is_held+0xb5/0x140
[  414.621461]  __alloc_pages_nodemask+0xa80/0xde0
[  414.626145]  ? zap_class+0x640/0x640
[  414.629894]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  414.634923]  ? find_held_lock+0x36/0x1c0
[  414.639002]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.643675]  ? lock_downgrade+0x900/0x900
[  414.647830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.653372]  cache_grow_begin+0xa5/0x8c0
[  414.657434]  ? do_raw_spin_unlock+0xa7/0x330
[  414.661852]  fallback_alloc+0x204/0x2e0
[  414.665833]  ____cache_alloc_node+0x1c7/0x1e0
[  414.670344]  kmem_cache_alloc_node+0xe3/0x730
[  414.674837]  ? mark_held_locks+0xc7/0x130
[  414.678995]  __alloc_skb+0x119/0x770
[  414.682714]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.687125]  ? do_raw_spin_trylock+0x270/0x270
[  414.691716]  ? kmem_cache_alloc_trace+0x353/0x750
[  414.696573]  ? queue_work_on+0x12c/0x1e0
[  414.700689]  ? switchdev_port_obj_del+0xdc/0x440
[  414.705458]  ? switchdev_trans_item_enqueue+0x260/0x260
[  414.710827]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  414.715855]  __br_mdb_notify+0x4ff/0x15d0
[  414.720005]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.725124]  ? __br_mdb_add+0x7f0/0x7f0
[  414.729108]  ? mark_held_locks+0x130/0x130
[  414.733353]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.738457]  ? debug_object_assert_init+0x368/0x4b0
[  414.743477]  ? debug_object_init_on_stack+0x20/0x20
[  414.748492]  ? zap_class+0x640/0x640
[  414.752214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.757766]  br_mdb_notify+0x310/0x410
[  414.761664]  ? br_mdb_dump+0x27b0/0x27b0
[  414.765745]  br_multicast_del_pg+0x3df/0x790
[  414.770169]  ? br_mdb_ip_get+0x940/0x940
[  414.774235]  ? rwlock_bug.part.2+0x90/0x90
[  414.778480]  ? __lock_is_held+0xb5/0x140
[  414.782550]  br_multicast_port_group_expired+0x189/0x1e0
[  414.788006]  call_timer_fn+0x272/0x920
[  414.791892]  ? br_multicast_del_pg+0x790/0x790
[  414.796478]  ? process_timeout+0x40/0x40
[  414.800566]  ? mark_held_locks+0xc7/0x130
[  414.804719]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.809226]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.813732]  ? br_multicast_del_pg+0x790/0x790
[  414.818317]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.822900]  ? trace_hardirqs_on+0xbd/0x310
[  414.827220]  ? kasan_check_read+0x11/0x20
[  414.831368]  ? __run_timers+0x7da/0xc70
[  414.835342]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.840449]  ? br_multicast_del_pg+0x790/0x790
[  414.845054]  ? br_multicast_del_pg+0x790/0x790
[  414.849641]  __run_timers+0x7e5/0xc70
[  414.853453]  ? timer_fixup_init+0x70/0x70
[  414.857604]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  414.862625]  ? zap_class+0x640/0x640
[  414.866383]  ? print_usage_bug+0xc0/0xc0
[  414.870476]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  414.875674]  ? find_held_lock+0x36/0x1c0
[  414.879753]  ? zap_class+0x640/0x640
[  414.883478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.889016]  ? check_preemption_disabled+0x48/0x280
[  414.894045]  ? __lock_is_held+0xb5/0x140
[  414.898106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.903644]  ? check_preemption_disabled+0x48/0x280
[  414.908668]  run_timer_softirq+0x52/0xb0
[  414.912737]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.917755]  __do_softirq+0x308/0xb7e
[  414.921558]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  414.926052]  ? lock_downgrade+0x900/0x900
[  414.930211]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.935357]  ? pvclock_read_flags+0x160/0x160
[  414.939861]  ? lapic_next_event+0x5a/0x90
[  414.944009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.949564]  ? kvm_clock_read+0x18/0x30
[  414.953538]  ? kvm_sched_clock_read+0x9/0x20
[  414.957954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.963494]  ? check_preemption_disabled+0x48/0x280
[  414.968524]  irq_exit+0x17f/0x1c0
[  414.972018]  smp_apic_timer_interrupt+0x1cb/0x760
[  414.976881]  ? smp_call_function_single_interrupt+0x650/0x650
[  414.982768]  ? interrupt_entry+0xb5/0xc0
[  414.986835]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.991852]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.996872]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.001716]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.006729]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.011744]  ? task_prio+0x50/0x50
[  415.015286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.020830]  ? check_preemption_disabled+0x48/0x280
[  415.025853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.030706]  apic_timer_interrupt+0xf/0x20
[  415.034944]  </IRQ>
[  415.037187] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  415.042293] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  415.061212] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.068921] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  415.076191] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  415.083497] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  415.090768] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  415.098045] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  415.105386]  shrink_active_list+0x67b/0x1c20
[  415.109807]  ? free_unref_page_list+0xd1b/0x11e0
[  415.114583]  ? shrink_inactive_list+0xa4a/0x1c60
[  415.119347]  ? zap_class+0x60f/0x640
[  415.123064]  ? shrink_inactive_list+0x1c60/0x1c60
[  415.127930]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.132482]  ? find_held_lock+0x36/0x1c0
[  415.136544]  ? __page_frag_cache_drain+0x200/0x200
[  415.141473]  ? print_usage_bug+0xc0/0xc0
[  415.145551]  ? find_held_lock+0x36/0x1c0
[  415.149621]  ? zap_class+0x640/0x640
[  415.153335]  ? mark_held_locks+0xc7/0x130
[  415.157483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.163022]  ? check_preemption_disabled+0x48/0x280
[  415.168043]  ? zap_class+0x640/0x640
[  415.171760]  ? __lock_is_held+0xb5/0x140
[  415.175827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.181367]  ? check_preemption_disabled+0x48/0x280
[  415.186394]  ? __lock_is_held+0xb5/0x140
[  415.190472]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.195493]  ? inactive_list_is_low+0x305/0x880
[  415.200193]  ? lruvec_lru_size+0x450/0x450
[  415.204429]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.209362]  ? rcu_softirq_qs+0x20/0x20
[  415.213344]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  415.218299]  shrink_node_memcg+0x803/0x18f0
[  415.222641]  ? shrink_active_list+0x1c20/0x1c20
[  415.227316]  ? lock_downgrade+0x900/0x900
[  415.231465]  ? check_flush_dependency+0x410/0x410
[  415.236318]  ? kasan_check_read+0x11/0x20
[  415.240478]  ? ___preempt_schedule+0x16/0x18
[  415.244912]  ? _raw_spin_unlock+0x3f/0x50
[  415.249066]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  415.254272]  shrink_node+0x3bc/0x16b0
[  415.258082]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  415.263389]  ? shrink_node_memcg+0x18f0/0x18f0
[  415.267971]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.272556]  ? trace_hardirqs_on+0xbd/0x310
[  415.276888]  ? vmpressure+0x271/0x340
[  415.280722]  ? do_raw_spin_trylock+0x270/0x270
[  415.285323]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  415.290863]  ? __cpuset_node_allowed+0x19b/0x660
[  415.295625]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  415.301338]  ? vmpressure+0x1a2/0x340
[  415.305160]  do_try_to_free_pages+0x3e7/0x1290
[  415.309747]  ? zap_class+0x640/0x640
[  415.313480]  ? shrink_node+0x16b0/0x16b0
[  415.317548]  ? __lock_is_held+0xb5/0x140
[  415.321628]  try_to_free_pages+0x4d0/0xb90
[  415.325872]  ? do_try_to_free_pages+0x1290/0x1290
[  415.330715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.336267]  ? lock_acquire+0x1ed/0x520
[  415.340245]  ? set_page_refcounted+0x280/0x280
[  415.344840]  ? lock_release+0xa00/0xa00
[  415.348827]  ? perf_trace_sched_process_exec+0x860/0x860
[  415.354294]  __alloc_pages_slowpath+0x9c4/0x2d70
[  415.359082]  ? warn_alloc+0x120/0x120
[  415.362894]  ? rcu_softirq_qs+0x20/0x20
[  415.366900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.372440]  ? should_fail+0x22d/0xd01
[  415.376340]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.381447]  ? zap_class+0x640/0x640
[  415.385198]  ? __lock_is_held+0xb5/0x140
[  415.389272]  ? mark_held_locks+0x130/0x130
[  415.393509]  ? lock_release+0xa00/0xa00
[  415.397486]  ? perf_trace_sched_process_exec+0x860/0x860
[  415.402957]  ? __might_sleep+0x95/0x190
[  415.406990]  __alloc_pages_nodemask+0xa80/0xde0
[  415.411683]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  415.416700]  ? __page_cache_alloc+0x191/0x5c0
[  415.421198]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.426131]  ? kasan_check_read+0x11/0x20
[  415.430290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.435570]  ? zap_class+0x640/0x640
[  415.439292]  ? zap_class+0x640/0x640
[  415.443021]  ? zap_class+0x640/0x640
[  415.446736]  ? __do_page_cache_readahead+0x7ce/0x980
[  415.451872]  ? find_held_lock+0x36/0x1c0
[  415.455948]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  415.461495]  alloc_pages_current+0x173/0x350
[  415.465914]  __page_cache_alloc+0x38c/0x5c0
[  415.470242]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.475171]  ? kasan_check_read+0x11/0x20
[  415.479317]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.484753]  ? generic_perform_write+0x6a0/0x6a0
[  415.489511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.495056]  ? check_preemption_disabled+0x48/0x280
[  415.500082]  filemap_fault+0x1594/0x25f0
[  415.504175]  ? __lock_page_or_retry+0xa00/0xa00
[  415.508861]  ? mark_held_locks+0x130/0x130
[  415.513097]  ? rcu_softirq_qs+0x20/0x20
[  415.517084]  ? filemap_map_pages+0xe04/0x1990
[  415.521591]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.526176]  ? __free_object+0x173/0x340
[  415.530241]  ? debug_object_free+0x36f/0x690
[  415.534665]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  415.539602]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.544711]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  415.549390]  ? queue_work_on+0x12c/0x1e0
[  415.553460]  ? debug_object_free+0x36f/0x690
[  415.557870]  ? kasan_check_read+0x11/0x20
[  415.562023]  ? debug_object_destroy+0x2b0/0x2b0
[  415.566694]  ? lock_pi_update_atomic+0x150/0x150
[  415.571453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.576992]  ? __hrtimer_init+0xdb/0x240
[  415.581069]  ? lock_acquire+0x1ed/0x520
[  415.585050]  ? ext4_filemap_fault+0x7a/0xad
[  415.589379]  ? lock_release+0xa00/0xa00
[  415.593359]  ? perf_trace_sched_process_exec+0x860/0x860
[  415.598826]  ? print_usage_bug+0xc0/0xc0
[  415.602886]  ? print_usage_bug+0xc0/0xc0
[  415.606977]  ? down_read+0x8d/0x120
[  415.610603]  ? ext4_filemap_fault+0x7a/0xad
[  415.614948]  ? __down_interruptible+0x700/0x700
[  415.619633]  ext4_filemap_fault+0x82/0xad
[  415.623787]  __do_fault+0x100/0x6b0
[  415.627422]  ? pmd_devmap_trans_unstable+0x220/0x220
[  415.632527]  ? mark_held_locks+0x130/0x130
[  415.636767]  ? mark_held_locks+0x130/0x130
[  415.641013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.646562]  __handle_mm_fault+0x307c/0x5920
[  415.650975]  ? perf_trace_lock+0x7a0/0x7a0
[  415.655222]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  415.660106]  ? __switch_to_asm+0x34/0x70
[  415.664168]  ? __switch_to_asm+0x34/0x70
[  415.668248]  ? zap_class+0x640/0x640
[  415.671967]  ? zap_class+0x640/0x640
[  415.675687]  ? __x64_sys_futex+0x53e/0x6a0
[  415.679933]  ? find_held_lock+0x36/0x1c0
[  415.684025]  ? handle_mm_fault+0x42a/0xc70
[  415.688262]  ? lock_downgrade+0x900/0x900
[  415.692420]  ? check_preemption_disabled+0x48/0x280
[  415.697467]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.702506]  ? kasan_check_read+0x11/0x20
[  415.706656]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.711936]  ? rcu_softirq_qs+0x20/0x20
[  415.715952]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.721056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.726596]  ? check_preemption_disabled+0x48/0x280
[  415.731629]  handle_mm_fault+0x54f/0xc70
[  415.735696]  ? __handle_mm_fault+0x5920/0x5920
[  415.740298]  ? find_vma+0x34/0x190
[  415.743847]  __do_page_fault+0x5e8/0xe60
[  415.747923]  ? trace_hardirqs_off+0xb8/0x310
[  415.752361]  do_page_fault+0xf2/0x7e0
[  415.756164]  ? vmalloc_sync_all+0x30/0x30
[  415.760317]  ? error_entry+0x70/0xd0
[  415.764033]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.769052]  ? trace_hardirqs_on_caller+0xc0/0x310
[  415.773982]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.778914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.783763]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.788783]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  415.794242]  ? prepare_exit_to_usermode+0x291/0x3b0
[  415.799266]  ? page_fault+0x8/0x30
[  415.802817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.807670]  ? page_fault+0x8/0x30
[  415.811213]  page_fault+0x1e/0x30
[  415.814666] RIP: 0033:0x45ddf3
[  415.817871] Code: Bad RIP value.
[  415.821237] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  415.826601] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  415.833870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  415.841141] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  415.848410] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  415.855682] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  415.862980] warn_alloc_show_mem: 1 callbacks suppressed
[  415.862992] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  415.862994] Mem-Info:
[  415.863025] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  415.863025]  active_file:15 inactive_file:12 isolated_file:0
[  415.863025]  unevictable:0 dirty:0 writeback:0 unstable:0
[  415.863025]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  415.863025]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  415.863025]  free:13694 free_pcp:0 free_cma:0
[  415.868376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.875314] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  415.877720] Call Trace:
[  415.910595] Node 0 
[  415.919951]  <IRQ>
[  415.947731] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  415.950298]  dump_stack+0x244/0x39d
[  415.952509] lowmem_reserve[]:
[  415.954662]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.980138]  0 2819
[  415.983793]  warn_alloc.cold.117+0xb7/0x1bd
[  415.986867]  6323
[  415.992052]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.994267]  6323
[  415.998583]  ? lock_downgrade+0x900/0x900
[  416.005467]  ? trace_hardirqs_off+0xb8/0x310
[  416.007514] Node 0 
[  416.011698]  ? trace_hardirqs_off+0xb8/0x310
[  416.016111] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  416.018326]  __alloc_pages_slowpath+0x2660/0x2d70
[  416.022708] lowmem_reserve[]:
[  416.049452]  ? warn_alloc+0x120/0x120
[  416.054248]  0
[  416.057354]  ? warn_alloc+0x120/0x120
[  416.061136]  0
[  416.062944]  ? print_usage_bug+0xc0/0xc0
[  416.066721]  3503 3503
[  416.068532]  ? warn_alloc+0x120/0x120
[  416.075072]  ? print_usage_bug+0xc0/0xc0
[  416.078851] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  416.082939]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.082955]  ? should_fail+0x22d/0xd01
[  416.082971]  ? __lock_acquire+0x62f/0x4c20
[  416.111667] lowmem_reserve[]:
[  416.117204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.121069]  0
[  416.125301]  ? __lock_acquire+0x62f/0x4c20
[  416.128384]  0
[  416.133483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.135265]  0
[  416.139493]  ? __lock_acquire+0x62f/0x4c20
[  416.139510]  ? should_fail+0x22d/0xd01
[  416.141293]  0
[  416.146400]  ? mark_held_locks+0x130/0x130
[  416.152410]  ? mark_held_locks+0x130/0x130
[  416.156276] Node 0 
[  416.158103]  ? zap_class+0x640/0x640
[  416.162310] DMA: 
[  416.166538]  ? print_usage_bug+0xc0/0xc0
[  416.168758] 1*4kB 
[  416.172474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.174514] (U) 
[  416.178574]  ? check_preemption_disabled+0x48/0x280
[  416.180706] 0*8kB 
[  416.186243]  ? __lock_is_held+0xb5/0x140
[  416.188197] 0*16kB 
[  416.193210]  __alloc_pages_nodemask+0xa80/0xde0
[  416.195338] 1*32kB 
[  416.199395]  ? zap_class+0x640/0x640
[  416.201616] (U) 
[  416.206281]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  416.208521] 2*64kB 
[  416.212240]  ? find_held_lock+0x36/0x1c0
[  416.214188] (U) 
[  416.219206]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.221427] 1*128kB 
[  416.225495]  ? lock_downgrade+0x900/0x900
[  416.227445] (U) 1*256kB 
[  416.232133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.234437] (U) 
[  416.238589]  cache_grow_begin+0xa5/0x8c0
[  416.241240] 0*512kB 
[  416.246778]  ? do_raw_spin_unlock+0xa7/0x330
[  416.248740] 1*1024kB 
[  416.252799]  fallback_alloc+0x204/0x2e0
[  416.255099] (U) 
[  416.259507]  ____cache_alloc_node+0x1c7/0x1e0
[  416.261895] 1*2048kB 
[  416.265870]  kmem_cache_alloc_node+0xe3/0x730
[  416.267826] (M) 
[  416.272318]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.274710] 3*4096kB 
[  416.279217]  __alloc_skb+0x119/0x770
[  416.281169] (M) 
[  416.285403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.287793] = 15908kB
[  416.291503]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.293474] Node 0 
[  416.298746]  ? lock_downgrade+0x900/0x900
[  416.301134] DMA32: 
[  416.305549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.307764] 2*4kB 
[  416.311911]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.314124] (M) 
[  416.319684]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.321817] 3*8kB 
[  416.327268]  ? addrconf_rs_timer+0x690/0x690
[  416.329223] (UM) 
[  416.334677]  ndisc_alloc_skb+0x144/0x340
[  416.336800] 3*16kB 
[  416.341206]  ndisc_send_rs+0x331/0x6e0
[  416.343253] (UM) 
[  416.347315]  addrconf_rs_timer+0x314/0x690
[  416.349535] 4*32kB 
[  416.353417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.355459] (UM) 
[  416.359699]  call_timer_fn+0x272/0x920
[  416.361907] 5*64kB 
[  416.366135]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.368179] (UM) 
[  416.372066]  ? process_timeout+0x40/0x40
[  416.374281] 4*128kB 
[  416.378518]  ? __run_timers+0x7da/0xc70
[  416.380556] (M) 
[  416.384618]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.386919] 5*256kB 
[  416.390890]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.392843] (UM) 
[  416.397326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.397344]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.399652] 5*512kB 
[  416.404141]  ? trace_hardirqs_on+0xbd/0x310
[  416.406185] (UM) 
[  416.410420]  ? kasan_check_read+0x11/0x20
[  416.414992] 4*1024kB 
[  416.417324]  ? __run_timers+0x7da/0xc70
[  416.421621] (UM) 
[  416.423680]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.427808] 2*2048kB 
[  416.430226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.434187] (M) 
[  416.436250]  __run_timers+0x7e5/0xc70
[  416.441331] 3*4096kB 
[  416.443745]  ? timer_fixup_init+0x70/0x70
[  416.447948] (M) 
[  416.449920]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.453702] = 25360kB
[  416.456109]  ? zap_class+0x640/0x640
[  416.460235] Node 0 
[  416.462213]  ? enqueue_hrtimer+0x1a5/0x560
[  416.467210] Normal: 
[  416.469619]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.473312] 783*4kB 
[  416.475545]  ? find_held_lock+0x36/0x1c0
[  416.479759] (UMEH) 
[  416.482087]  ? zap_class+0x640/0x640
[  416.487281] 379*8kB 
[  416.489622]  ? pvclock_read_flags+0x160/0x160
[  416.493664] (MEH) 
[  416.495899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.499588] 205*16kB (UMEH) 
[  416.501925]  ? check_preemption_disabled+0x48/0x280
[  416.506412] 93*32kB 
[  416.508594]  ? __lock_is_held+0xb5/0x140
[  416.514107] (UMEH) 
[  416.517126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.522117] 24*64kB (UMH) 
[  416.524450]  ? check_preemption_disabled+0x48/0x280
[  416.528489] 1*128kB 
[  416.530725]  run_timer_softirq+0x52/0xb0
[  416.536235] (H) 
[  416.539079]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.544075] 0*256kB 
[  416.546401]  __do_softirq+0x308/0xb7e
[  416.550440] 0*512kB 
[  416.552429]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  416.557430] 0*1024kB 
[  416.559755]  ? lock_downgrade+0x900/0x900
[  416.563539] 0*2048kB 
[  416.565860]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.570331] 0*4096kB 
[  416.572741]  ? pvclock_read_flags+0x160/0x160
[  416.576862] = 14084kB
[  416.579270]  ? lapic_next_event+0x5a/0x90
[  416.584357] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  416.586781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.591732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  416.591742] 1070 total pagecache pages
[  416.594155]  ? kvm_clock_read+0x18/0x30
[  416.598294] 0 pages in swap cache
[  416.607122]  ? kvm_sched_clock_read+0x9/0x20
[  416.612641] Swap cache stats: add 0, delete 0, find 0/0
[  416.621211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.625081] Free swap  = 0kB
[  416.629055]  ? check_preemption_disabled+0x48/0x280
[  416.632488] Total swap = 0kB
[  416.636902]  irq_exit+0x17f/0x1c0
[  416.642243] 1965979 pages RAM
[  416.647786]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.650785] 0 pages HighMem/MovableOnly
[  416.655803]  ? smp_reschedule_interrupt+0x109/0x650
[  416.658801] 342293 pages reserved
[  416.662253]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.665339] 0 pages cma reserved
[  416.670179]  ? interrupt_entry+0xb5/0xc0
[  416.674325] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.679155]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.682600] syz-fuzzer cpuset=
[  416.688486]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.691846] /
[  416.695907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.706111]  mems_allowed=0
[  416.711122]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.733762]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.738798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.743654]  apic_timer_interrupt+0xf/0x20
[  416.747891]  </IRQ>
[  416.750135] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  416.755070] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  416.773972] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  416.781689] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  416.788965] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  416.796235] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  416.803505] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  416.810779] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  416.818099]  skb_clone+0x1bb/0x500
[  416.821645]  ? finish_task_switch+0x1b4/0x910
[  416.826149]  ? skb_split+0x11e0/0x11e0
[  416.830043]  ? preempt_notifier_register+0x200/0x200
[  416.835151]  ? __switch_to_asm+0x34/0x70
[  416.839217]  ? __switch_to_asm+0x34/0x70
[  416.843280]  ? __switch_to_asm+0x40/0x70
[  416.847341]  ? __switch_to_asm+0x34/0x70
[  416.851405]  ? __switch_to_asm+0x40/0x70
[  416.855472]  ? __switch_to_asm+0x34/0x70
[  416.859532]  ? __switch_to_asm+0x40/0x70
[  416.863598]  ? __switch_to_asm+0x34/0x70
[  416.867660]  ? __switch_to_asm+0x34/0x70
[  416.871720]  ? __switch_to_asm+0x40/0x70
[  416.875783]  ? __switch_to_asm+0x34/0x70
[  416.879856]  bpf_clone_redirect+0xb9/0x490
[  416.884095]  ? __schedule+0x8d7/0x21d0
[  416.887996]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  416.893024]  ? __sched_text_start+0x8/0x8
[  416.897191]  ? find_held_lock+0x36/0x1c0
[  416.901267]  ? lock_acquire+0x1ed/0x520
[  416.905246]  ? bpf_test_run+0x3cb/0x780
[  416.909225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.914764]  ? check_preemption_disabled+0x48/0x280
[  416.919787]  ? kasan_check_read+0x11/0x20
[  416.923942]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.929229]  ? rcu_softirq_qs+0x20/0x20
[  416.933208]  ? preempt_schedule+0x4d/0x60
[  416.937359]  ? ___preempt_schedule+0x16/0x18
[  416.941778]  ? bpf_test_run+0x25d/0x780
[  416.945768]  ? netlink_diag_dump+0x2a0/0x2a0
[  416.950184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.955724]  ? bpf_test_init.isra.10+0x70/0x100
[  416.960403]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  416.965174]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  416.970018]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  416.975561]  ? fput+0x130/0x1a0
[  416.978848]  ? __bpf_prog_get+0x9b/0x290
[  416.982915]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  416.987759]  ? bpf_prog_test_run+0x130/0x1a0
[  416.992174]  ? __x64_sys_bpf+0x3d8/0x520
[  416.996247]  ? bpf_prog_get+0x20/0x20
[  417.000072]  ? do_syscall_64+0x1b9/0x820
[  417.004141]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  417.009514]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.014454]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.019476]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  417.024497]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  417.031170]  ? __switch_to_asm+0x40/0x70
[  417.035234]  ? __switch_to_asm+0x34/0x70
[  417.039303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.044155]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  417.049542] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  417.049611] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.056128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.056134] Call Trace:
[  417.056141]  <IRQ>
[  417.056169]  dump_stack+0x244/0x39d
[  417.056188]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.062719] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.072030]  warn_alloc.cold.117+0xb7/0x1bd
[  417.074586] syz-executor1 cpuset=
[  417.076735]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.080340] syz1
[  417.085531]  ? lock_downgrade+0x900/0x900
[  417.096004]  mems_allowed=0
[  417.100332]  ? trace_hardirqs_off+0xb8/0x310
[  417.122023]  ? trace_hardirqs_off+0xb8/0x310
[  417.126445]  __alloc_pages_slowpath+0x2660/0x2d70
[  417.131330]  ? warn_alloc+0x120/0x120
[  417.135139]  ? warn_alloc+0x120/0x120
[  417.138964]  ? print_usage_bug+0xc0/0xc0
[  417.143029]  ? warn_alloc+0x120/0x120
[  417.146833]  ? print_usage_bug+0xc0/0xc0
[  417.150928]  ? zap_class+0x640/0x640
[  417.154657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.160201]  ? should_fail+0x22d/0xd01
[  417.164106]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.169215]  ? __lock_acquire+0x62f/0x4c20
[  417.173457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.178570]  ? should_fail+0x22d/0xd01
[  417.182472]  ? mark_held_locks+0x130/0x130
[  417.186713]  ? mark_held_locks+0x130/0x130
[  417.190956]  ? print_usage_bug+0xc0/0xc0
[  417.195025]  ? find_held_lock+0x36/0x1c0
[  417.199090]  ? zap_class+0x640/0x640
[  417.202819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.208359]  ? check_preemption_disabled+0x48/0x280
[  417.213390]  ? __lock_is_held+0xb5/0x140
[  417.217467]  __alloc_pages_nodemask+0xa80/0xde0
[  417.222141]  ? zap_class+0x640/0x640
[  417.225878]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  417.230909]  ? find_held_lock+0x36/0x1c0
[  417.234991]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.239668]  ? lock_downgrade+0x900/0x900
[  417.243827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.249377]  cache_grow_begin+0xa5/0x8c0
[  417.253443]  ? do_raw_spin_unlock+0xa7/0x330
[  417.257863]  fallback_alloc+0x204/0x2e0
[  417.261860]  ____cache_alloc_node+0x1c7/0x1e0
[  417.266366]  kmem_cache_alloc_node+0xe3/0x730
[  417.270868]  ? mark_held_locks+0xc7/0x130
[  417.275034]  __alloc_skb+0x119/0x770
[  417.278759]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.283181]  ? do_raw_spin_trylock+0x270/0x270
[  417.287772]  ? kmem_cache_alloc_trace+0x353/0x750
[  417.292628]  ? queue_work_on+0x12c/0x1e0
[  417.296706]  ? switchdev_port_obj_del+0xdc/0x440
[  417.301472]  ? switchdev_trans_item_enqueue+0x260/0x260
[  417.306852]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.311878]  __br_mdb_notify+0x4ff/0x15d0
[  417.316031]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  417.321147]  ? __br_mdb_add+0x7f0/0x7f0
[  417.325136]  ? print_usage_bug+0xc0/0xc0
[  417.329219]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  417.334329]  ? debug_object_assert_init+0x368/0x4b0
[  417.339351]  ? task_prio+0x50/0x50
[  417.342894]  ? debug_object_init_on_stack+0x20/0x20
[  417.347915]  ? zap_class+0x640/0x640
[  417.351639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.357193]  br_mdb_notify+0x310/0x410
[  417.361092]  ? br_mdb_dump+0x27b0/0x27b0
[  417.365182]  br_multicast_del_pg+0x3df/0x790
[  417.369604]  ? br_mdb_ip_get+0x940/0x940
[  417.373678]  ? rwlock_bug.part.2+0x90/0x90
[  417.377919]  ? __lock_is_held+0xb5/0x140
[  417.381999]  br_multicast_port_group_expired+0x189/0x1e0
[  417.387463]  call_timer_fn+0x272/0x920
[  417.391357]  ? br_multicast_del_pg+0x790/0x790
[  417.395951]  ? process_timeout+0x40/0x40
[  417.400032]  ? mark_held_locks+0xc7/0x130
[  417.404192]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.408693]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.413197]  ? br_multicast_del_pg+0x790/0x790
[  417.417785]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.422374]  ? trace_hardirqs_on+0xbd/0x310
[  417.426702]  ? kasan_check_read+0x11/0x20
[  417.430855]  ? __run_timers+0x7da/0xc70
[  417.434836]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.439952]  ? br_multicast_del_pg+0x790/0x790
[  417.444545]  ? br_multicast_del_pg+0x790/0x790
[  417.449133]  __run_timers+0x7e5/0xc70
[  417.452964]  ? timer_fixup_init+0x70/0x70
[  417.457119]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.462143]  ? zap_class+0x640/0x640
[  417.465894]  ? print_usage_bug+0xc0/0xc0
[  417.469985]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  417.475196]  ? find_held_lock+0x36/0x1c0
[  417.479265]  ? zap_class+0x640/0x640
[  417.483151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.488694]  ? check_preemption_disabled+0x48/0x280
[  417.493725]  ? __lock_is_held+0xb5/0x140
[  417.497791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.503331]  ? check_preemption_disabled+0x48/0x280
[  417.508363]  run_timer_softirq+0x52/0xb0
[  417.512433]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.517460]  __do_softirq+0x308/0xb7e
[  417.521271]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  417.525770]  ? lock_downgrade+0x900/0x900
[  417.529933]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.535060]  ? pvclock_read_flags+0x160/0x160
[  417.539564]  ? lapic_next_event+0x5a/0x90
[  417.543721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.549276]  ? kvm_clock_read+0x18/0x30
[  417.553261]  ? kvm_sched_clock_read+0x9/0x20
[  417.557674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.563216]  ? check_preemption_disabled+0x48/0x280
[  417.568250]  irq_exit+0x17f/0x1c0
[  417.571718]  smp_apic_timer_interrupt+0x1cb/0x760
[  417.576574]  ? smp_call_function_single_interrupt+0x650/0x650
[  417.582462]  ? interrupt_entry+0xb5/0xc0
[  417.586532]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.591552]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.596578]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.601425]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.606444]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.611475]  ? task_prio+0x50/0x50
[  417.615032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.620585]  ? check_preemption_disabled+0x48/0x280
[  417.625617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.630474]  apic_timer_interrupt+0xf/0x20
[  417.634708]  </IRQ>
[  417.636955] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  417.642062] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  417.660975] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  417.668691] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  417.675962] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  417.683235] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  417.690506] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  417.697778] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  417.705083]  shrink_active_list+0x67b/0x1c20
[  417.709499]  ? free_unref_page_list+0xd1b/0x11e0
[  417.714272]  ? shrink_inactive_list+0xa4a/0x1c60
[  417.719034]  ? zap_class+0x60f/0x640
[  417.722751]  ? shrink_inactive_list+0x1c60/0x1c60
[  417.727606]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.732115]  ? find_held_lock+0x36/0x1c0
[  417.736186]  ? __page_frag_cache_drain+0x200/0x200
[  417.741119]  ? print_usage_bug+0xc0/0xc0
[  417.745202]  ? find_held_lock+0x36/0x1c0
[  417.749278]  ? zap_class+0x640/0x640
[  417.752994]  ? mark_held_locks+0xc7/0x130
[  417.757152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.762695]  ? check_preemption_disabled+0x48/0x280
[  417.767727]  ? zap_class+0x640/0x640
[  417.771446]  ? __lock_is_held+0xb5/0x140
[  417.775959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.781504]  ? check_preemption_disabled+0x48/0x280
[  417.786535]  ? __lock_is_held+0xb5/0x140
[  417.790613]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.795638]  ? inactive_list_is_low+0x305/0x880
[  417.800324]  ? lruvec_lru_size+0x450/0x450
[  417.804569]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.809509]  ? rcu_softirq_qs+0x20/0x20
[  417.813495]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  417.818443]  shrink_node_memcg+0x803/0x18f0
[  417.822793]  ? shrink_active_list+0x1c20/0x1c20
[  417.827477]  ? lock_downgrade+0x900/0x900
[  417.831636]  ? check_flush_dependency+0x410/0x410
[  417.836491]  ? kasan_check_read+0x11/0x20
[  417.840653]  ? ___preempt_schedule+0x16/0x18
[  417.845077]  ? _raw_spin_unlock+0x3f/0x50
[  417.849233]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  417.854431]  shrink_node+0x3bc/0x16b0
[  417.858244]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  417.863557]  ? shrink_node_memcg+0x18f0/0x18f0
[  417.868140]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.872731]  ? trace_hardirqs_on+0xbd/0x310
[  417.877320]  ? vmpressure+0x271/0x340
[  417.881131]  ? do_raw_spin_trylock+0x270/0x270
[  417.885728]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  417.891273]  ? __cpuset_node_allowed+0x19b/0x660
[  417.896044]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  417.901761]  ? vmpressure+0x1a2/0x340
[  417.905577]  do_try_to_free_pages+0x3e7/0x1290
[  417.910163]  ? zap_class+0x640/0x640
[  417.913903]  ? shrink_node+0x16b0/0x16b0
[  417.917980]  ? __lock_is_held+0xb5/0x140
[  417.922062]  try_to_free_pages+0x4d0/0xb90
[  417.926310]  ? do_try_to_free_pages+0x1290/0x1290
[  417.931159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.936714]  ? lock_acquire+0x1ed/0x520
[  417.940694]  ? set_page_refcounted+0x280/0x280
[  417.945285]  ? lock_release+0xa00/0xa00
[  417.949278]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.954745]  __alloc_pages_slowpath+0x9c4/0x2d70
[  417.959541]  ? warn_alloc+0x120/0x120
[  417.963345]  ? rcu_softirq_qs+0x20/0x20
[  417.967352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.972900]  ? should_fail+0x22d/0xd01
[  417.976795]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.981910]  ? zap_class+0x640/0x640
[  417.985664]  ? __lock_is_held+0xb5/0x140
[  417.989735]  ? mark_held_locks+0x130/0x130
[  417.993987]  ? lock_release+0xa00/0xa00
[  417.997975]  ? perf_trace_sched_process_exec+0x860/0x860
[  418.003443]  ? __might_sleep+0x95/0x190
[  418.007427]  __alloc_pages_nodemask+0xa80/0xde0
[  418.012113]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  418.017135]  ? __page_cache_alloc+0x191/0x5c0
[  418.021637]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  418.026567]  ? kasan_check_read+0x11/0x20
[  418.030720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.036004]  ? zap_class+0x640/0x640
[  418.039730]  ? zap_class+0x640/0x640
[  418.043448]  ? zap_class+0x640/0x640
[  418.047169]  ? __do_page_cache_readahead+0x7ce/0x980
[  418.052284]  ? find_held_lock+0x36/0x1c0
[  418.056354]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  418.061902]  alloc_pages_current+0x173/0x350
[  418.066326]  __page_cache_alloc+0x38c/0x5c0
[  418.070650]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  418.075584]  ? kasan_check_read+0x11/0x20
[  418.079735]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.085021]  ? generic_perform_write+0x6a0/0x6a0
[  418.089780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.095346]  ? check_preemption_disabled+0x48/0x280
[  418.100374]  filemap_fault+0x1594/0x25f0
[  418.104456]  ? __lock_page_or_retry+0xa00/0xa00
[  418.109134]  ? mark_held_locks+0x130/0x130
[  418.113378]  ? rcu_softirq_qs+0x20/0x20
[  418.117375]  ? filemap_map_pages+0xe04/0x1990
[  418.121881]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.126467]  ? __free_object+0x173/0x340
[  418.130530]  ? debug_object_free+0x36f/0x690
[  418.134957]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  418.139897]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.145009]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  418.149688]  ? queue_work_on+0x12c/0x1e0
[  418.153759]  ? debug_object_free+0x36f/0x690
[  418.158168]  ? kasan_check_read+0x11/0x20
[  418.162326]  ? debug_object_destroy+0x2b0/0x2b0
[  418.167004]  ? lock_pi_update_atomic+0x150/0x150
[  418.171766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.177314]  ? __hrtimer_init+0xdb/0x240
[  418.181391]  ? lock_acquire+0x1ed/0x520
[  418.185372]  ? ext4_filemap_fault+0x7a/0xad
[  418.189708]  ? lock_release+0xa00/0xa00
[  418.193688]  ? perf_trace_sched_process_exec+0x860/0x860
[  418.199144]  ? print_usage_bug+0xc0/0xc0
[  418.203212]  ? print_usage_bug+0xc0/0xc0
[  418.207294]  ? down_read+0x8d/0x120
[  418.210923]  ? ext4_filemap_fault+0x7a/0xad
[  418.215251]  ? __down_interruptible+0x700/0x700
[  418.219957]  ext4_filemap_fault+0x82/0xad
[  418.224115]  __do_fault+0x100/0x6b0
[  418.227749]  ? pmd_devmap_trans_unstable+0x220/0x220
[  418.232859]  ? mark_held_locks+0x130/0x130
[  418.237101]  ? mark_held_locks+0x130/0x130
[  418.241351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.246896]  __handle_mm_fault+0x307c/0x5920
[  418.251310]  ? perf_trace_lock+0x7a0/0x7a0
[  418.255558]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  418.260415]  ? __switch_to_asm+0x34/0x70
[  418.264479]  ? __switch_to_asm+0x34/0x70
[  418.268565]  ? zap_class+0x640/0x640
[  418.272280]  ? zap_class+0x640/0x640
[  418.275999]  ? __x64_sys_futex+0x53e/0x6a0
[  418.280243]  ? find_held_lock+0x36/0x1c0
[  418.284320]  ? handle_mm_fault+0x42a/0xc70
[  418.288563]  ? lock_downgrade+0x900/0x900
[  418.292714]  ? check_preemption_disabled+0x48/0x280
[  418.297738]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  418.302668]  ? kasan_check_read+0x11/0x20
[  418.306820]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.312099]  ? rcu_softirq_qs+0x20/0x20
[  418.316082]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.321196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.326737]  ? check_preemption_disabled+0x48/0x280
[  418.331766]  handle_mm_fault+0x54f/0xc70
[  418.335835]  ? __handle_mm_fault+0x5920/0x5920
[  418.340431]  ? find_vma+0x34/0x190
[  418.343983]  __do_page_fault+0x5e8/0xe60
[  418.348047]  ? trace_hardirqs_off+0xb8/0x310
[  418.352495]  do_page_fault+0xf2/0x7e0
[  418.356302]  ? vmalloc_sync_all+0x30/0x30
[  418.360456]  ? error_entry+0x70/0xd0
[  418.364177]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.369196]  ? trace_hardirqs_on_caller+0xc0/0x310
[  418.374129]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.379061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.383909]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.388931]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  418.394404]  ? prepare_exit_to_usermode+0x291/0x3b0
[  418.399430]  ? page_fault+0x8/0x30
[  418.402983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.407834]  ? page_fault+0x8/0x30
[  418.411384]  page_fault+0x1e/0x30
[  418.414842] RIP: 0033:0x45ddf3
[  418.418057] Code: Bad RIP value.
[  418.421425] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  418.426793] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  418.434064] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  418.441331] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  418.448607] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  418.455878] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  418.463175] warn_alloc_show_mem: 1 callbacks suppressed
[  418.463188] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  418.463190] Mem-Info:
[  418.463220] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  418.463220]  active_file:15 inactive_file:12 isolated_file:0
[  418.463220]  unevictable:0 dirty:0 writeback:0 unstable:0
[  418.463220]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  418.463220]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  418.463220]  free:13694 free_pcp:0 free_cma:0
[  418.468569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.475509] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  418.477912] Call Trace:
[  418.510793] Node 0 
[  418.520162]  <IRQ>
[  418.547852] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  418.550420]  dump_stack+0x244/0x39d
[  418.552635] lowmem_reserve[]:
[  418.554789]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.580276]  0 2819
[  418.583941]  warn_alloc.cold.117+0xb7/0x1bd
[  418.587021]  6323
[  418.592384]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.594606]  6323
[  418.598925]  ? lock_downgrade+0x900/0x900
[  418.605823]  ? trace_hardirqs_off+0xb8/0x310
[  418.607867] Node 0 
[  418.612013]  ? trace_hardirqs_off+0xb8/0x310
[  418.616424] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  418.618644]  __alloc_pages_slowpath+0x2660/0x2d70
[  418.623029] lowmem_reserve[]:
[  418.649775]  ? warn_alloc+0x120/0x120
[  418.654575]  0
[  418.657681]  ? warn_alloc+0x120/0x120
[  418.661458]  0
[  418.663266]  ? print_usage_bug+0xc0/0xc0
[  418.667046]  3503
[  418.668848]  ? warn_alloc+0x120/0x120
[  418.672891]  3503
[  418.674952]  ? print_usage_bug+0xc0/0xc0
[  418.680807]  ? __lock_acquire+0x62f/0x4c20
[  418.684848] Node 0 
[  418.689079]  ? __lock_acquire+0x62f/0x4c20
[  418.689116] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  418.691328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.695544] lowmem_reserve[]:
[  418.723653]  ? should_fail+0x22d/0xd01
[  418.729174]  0
[  418.732283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.736148]  0
[  418.737961]  ? __lock_acquire+0x62f/0x4c20
[  418.743047]  0
[  418.744848]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.749053]  0
[  418.750868]  ? __lock_acquire+0x62f/0x4c20
[  418.755949] Node 0 
[  418.757754]  ? should_fail+0x22d/0xd01
[  418.761976] DMA: 
[  418.764215]  ? find_held_lock+0x36/0x1c0
[  418.768096] 1*4kB 
[  418.770160]  ? mark_held_locks+0x130/0x130
[  418.774211] (U) 
[  418.776367]  ? mark_held_locks+0x130/0x130
[  418.780582] 0*8kB 
[  418.782556]  ? zap_class+0x640/0x640
[  418.786776] 0*16kB 
[  418.788925]  ? zap_class+0x640/0x640
[  418.792628] 1*32kB 
[  418.794867]  ? print_usage_bug+0xc0/0xc0
[  418.798568] (U) 
[  418.800829]  ? do_raw_spin_unlock+0xa7/0x330
[  418.804866] 2*64kB 
[  418.806841]  ? zap_class+0x640/0x640
[  418.811229] (U) 
[  418.813472]  ? print_usage_bug+0xc0/0xc0
[  418.817176] 1*128kB 
[  418.819153]  ? wq_watchdog_touch+0x9c/0xfe
[  418.823200] (U) 1*256kB 
[  418.825537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.829753] (U) 
[  418.832426]  ? check_preemption_disabled+0x48/0x280
[  418.837948] 0*512kB 
[  418.839922]  ? __lock_is_held+0xb5/0x140
[  418.844916] 1*1024kB 
[  418.847240]  __alloc_pages_nodemask+0xa80/0xde0
[  418.851281] (U) 
[  418.853694]  ? zap_class+0x640/0x640
[  418.858347] 1*2048kB 
[  418.860322]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  418.864017] (M) 
[  418.866436]  ? find_held_lock+0x36/0x1c0
[  418.871426] 3*4096kB 
[  418.873416]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.877455] (M) 
[  418.879865]  ? lock_downgrade+0x900/0x900
[  418.884509] = 15908kB
[  418.884518] Node 0 
[  418.886498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.890625] DMA32: 
[  418.893039]  cache_grow_begin+0xa5/0x8c0
[  418.895258] 2*4kB 
[  418.900792]  ? do_raw_spin_unlock+0xa7/0x330
[  418.903012] (M) 
[  418.907083]  fallback_alloc+0x204/0x2e0
[  418.909211] 3*8kB 
[  418.913617]  ____cache_alloc_node+0x1c7/0x1e0
[  418.915575] (UM) 
[  418.919546]  kmem_cache_alloc_node+0xe3/0x730
[  418.921677] 3*16kB 
[  418.926176]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.928223] (UM) 
[  418.932721]  __alloc_skb+0x119/0x770
[  418.934934] 4*32kB 
[  418.939184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.941227] (UM) 
[  418.944943]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.947178] 5*64kB 
[  418.952459]  ? lock_downgrade+0x900/0x900
[  418.954497] (UM) 
[  418.958924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.961144] 4*128kB 
[  418.965294]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.967338] (M) 
[  418.972878]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.975188] 5*256kB 
[  418.980641]  ? addrconf_rs_timer+0x690/0x690
[  418.982595] (UM) 
[  418.988051]  ndisc_alloc_skb+0x144/0x340
[  418.990361] 5*512kB 
[  418.994767]  ndisc_send_rs+0x331/0x6e0
[  418.996807] (UM) 4*1024kB 
[  419.000879]  addrconf_rs_timer+0x314/0x690
[  419.003182] (UM) 
[  419.007070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.009898] 2*2048kB 
[  419.014137]  call_timer_fn+0x272/0x920
[  419.016182] (M) 
[  419.020414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.022808] 3*4096kB 
[  419.026691]  ? process_timeout+0x40/0x40
[  419.028649] (M) 
[  419.032888]  ? __run_timers+0x7da/0xc70
[  419.035273] = 25360kB
[  419.039335]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.041291] Node 0 
[  419.045262]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.047652] Normal: 
[  419.052136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.052154]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.054384] 783*4kB 
[  419.058878]  ? trace_hardirqs_on+0xbd/0x310
[  419.061182] (UMEH) 
[  419.065420]  ? kasan_check_read+0x11/0x20
[  419.069980] 379*8kB 
[  419.072313]  ? __run_timers+0x7da/0xc70
[  419.076622] (MEH) 
[  419.078860]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.082991] 205*16kB 
[  419.085318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.089271] (UMEH) 
[  419.091425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.096860] 93*32kB 
[  419.099270]  __run_timers+0x7e5/0xc70
[  419.103482] (UMEH) 
[  419.105728]  ? timer_fixup_init+0x70/0x70
[  419.109941] 24*64kB 
[  419.112262]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  419.116041] (UMH) 
[  419.118277]  ? zap_class+0x640/0x640
[  419.122409] 1*128kB 
[  419.124734]  ? enqueue_hrtimer+0x1a5/0x560
[  419.129730] (H) 
[  419.131883]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  419.135575] 0*256kB 
[  419.137899]  ? find_held_lock+0x36/0x1c0
[  419.142113] 0*512kB 
[  419.144086]  ? zap_class+0x640/0x640
[  419.149256] 0*1024kB 
[  419.151583]  ? pvclock_read_flags+0x160/0x160
[  419.155626] 0*2048kB 
[  419.157948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.161650] 0*4096kB 
[  419.164060]  ? check_preemption_disabled+0x48/0x280
[  419.168534] = 14084kB
[  419.170957]  ? __lock_is_held+0xb5/0x140
[  419.176486] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  419.178890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.183893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  419.186301]  ? check_preemption_disabled+0x48/0x280
[  419.190346] 1070 total pagecache pages
[  419.199185]  run_timer_softirq+0x52/0xb0
[  419.204710] 0 pages in swap cache
[  419.213281]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.218283] Swap cache stats: add 0, delete 0, find 0/0
[  419.222174]  __do_softirq+0x308/0xb7e
[  419.226213] Free swap  = 0kB
[  419.229663]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  419.234664] Total swap = 0kB
[  419.240025]  ? lock_downgrade+0x900/0x900
[  419.243804] 1965979 pages RAM
[  419.246824]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.251291] 0 pages HighMem/MovableOnly
[  419.251301] 342293 pages reserved
[  419.254324]  ? pvclock_read_flags+0x160/0x160
[  419.258445] 0 pages cma reserved
[  419.258601] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.261564]  ? lapic_next_event+0x5a/0x90
[  419.266666] syz-fuzzer cpuset=
[  419.270643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.274076] /
[  419.278575]  ? kvm_clock_read+0x18/0x30
[  419.281927]  mems_allowed=0
[  419.292147]  ? kvm_sched_clock_read+0x9/0x20
[  419.317979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.323520]  ? check_preemption_disabled+0x48/0x280
[  419.328556]  irq_exit+0x17f/0x1c0
[  419.332021]  smp_apic_timer_interrupt+0x1cb/0x760
[  419.336866]  ? smp_reschedule_interrupt+0x109/0x650
[  419.341888]  ? smp_call_function_single_interrupt+0x650/0x650
[  419.347779]  ? interrupt_entry+0xb5/0xc0
[  419.351845]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.356864]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.361886]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.366737]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.371753]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.376785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.381645]  apic_timer_interrupt+0xf/0x20
[  419.385874]  </IRQ>
[  419.388119] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  419.393050] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  419.411955] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  419.419669] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  419.426939] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  419.434208] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  419.441474] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  419.448745] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  419.456055]  skb_clone+0x1bb/0x500
[  419.459605]  ? finish_task_switch+0x1b4/0x910
[  419.464108]  ? skb_split+0x11e0/0x11e0
[  419.468006]  ? preempt_notifier_register+0x200/0x200
[  419.473110]  ? __switch_to_asm+0x34/0x70
[  419.477179]  ? __switch_to_asm+0x34/0x70
[  419.481743]  ? __switch_to_asm+0x40/0x70
[  419.485811]  ? __switch_to_asm+0x34/0x70
[  419.489873]  ? __switch_to_asm+0x40/0x70
[  419.493935]  ? __switch_to_asm+0x34/0x70
[  419.498002]  ? __switch_to_asm+0x40/0x70
[  419.502067]  ? __switch_to_asm+0x34/0x70
[  419.506137]  ? __switch_to_asm+0x34/0x70
[  419.510205]  ? __switch_to_asm+0x40/0x70
[  419.514273]  ? __switch_to_asm+0x34/0x70
[  419.518348]  bpf_clone_redirect+0xb9/0x490
[  419.522595]  ? __schedule+0x8d7/0x21d0
[  419.526492]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  419.531518]  ? __sched_text_start+0x8/0x8
[  419.535686]  ? find_held_lock+0x36/0x1c0
[  419.539757]  ? lock_acquire+0x1ed/0x520
[  419.543738]  ? bpf_test_run+0x3cb/0x780
[  419.547716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.553263]  ? check_preemption_disabled+0x48/0x280
[  419.558328]  ? kasan_check_read+0x11/0x20
[  419.562486]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.567768]  ? rcu_softirq_qs+0x20/0x20
[  419.571754]  ? preempt_schedule+0x4d/0x60
[  419.575905]  ? ___preempt_schedule+0x16/0x18
[  419.580329]  ? bpf_test_run+0x25d/0x780
[  419.584319]  ? netlink_diag_dump+0x2a0/0x2a0
[  419.588736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.594279]  ? bpf_test_init.isra.10+0x70/0x100
[  419.598955]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  419.603730]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  419.608574]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  419.614114]  ? fput+0x130/0x1a0
[  419.617404]  ? __bpf_prog_get+0x9b/0x290
[  419.621477]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  419.626325]  ? bpf_prog_test_run+0x130/0x1a0
[  419.630742]  ? __x64_sys_bpf+0x3d8/0x520
[  419.634808]  ? bpf_prog_get+0x20/0x20
[  419.638639]  ? do_syscall_64+0x1b9/0x820
[  419.642702]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  419.648075]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.653011]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.658037]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  419.663062]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  419.669736]  ? __switch_to_asm+0x40/0x70
[  419.673798]  ? __switch_to_asm+0x34/0x70
[  419.677868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.682724]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  419.688119] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  419.688206] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  419.694716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.694722] Call Trace:
[  419.694728]  <IRQ>
[  419.694748]  dump_stack+0x244/0x39d
[  419.694766]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.694793]  warn_alloc.cold.117+0xb7/0x1bd
[  419.701322] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.710623]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.713192] syz-executor1 cpuset=
[  419.715345]  ? lock_downgrade+0x900/0x900
[  419.718955] syz1
[  419.724147]  ? trace_hardirqs_off+0xb8/0x310
[  419.728461]  mems_allowed=0
[  419.738952]  ? trace_hardirqs_off+0xb8/0x310
[  419.765050]  __alloc_pages_slowpath+0x2660/0x2d70
[  419.769930]  ? warn_alloc+0x120/0x120
[  419.773756]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  419.778783]  ? warn_alloc+0x120/0x120
[  419.782590]  ? print_usage_bug+0xc0/0xc0
[  419.786660]  ? warn_alloc+0x120/0x120
[  419.790466]  ? print_usage_bug+0xc0/0xc0
[  419.794537]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  419.799746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.805295]  ? should_fail+0x22d/0xd01
[  419.809197]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.814308]  ? __lock_acquire+0x62f/0x4c20
[  419.818550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.823658]  ? should_fail+0x22d/0xd01
[  419.827559]  ? mark_held_locks+0x130/0x130
[  419.831803]  ? mark_held_locks+0x130/0x130
[  419.836039]  ? print_usage_bug+0xc0/0xc0
[  419.840109]  ? find_held_lock+0x36/0x1c0
[  419.844172]  ? zap_class+0x640/0x640
[  419.847897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.853439]  ? check_preemption_disabled+0x48/0x280
[  419.858470]  ? __lock_is_held+0xb5/0x140
[  419.862542]  __alloc_pages_nodemask+0xa80/0xde0
[  419.867216]  ? zap_class+0x640/0x640
[  419.870942]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  419.875984]  ? find_held_lock+0x36/0x1c0
[  419.880062]  ? ____cache_alloc_node+0x1c7/0x1e0
[  419.884734]  ? lock_downgrade+0x900/0x900
[  419.888896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.894446]  cache_grow_begin+0xa5/0x8c0
[  419.898520]  ? do_raw_spin_unlock+0xa7/0x330
[  419.902950]  fallback_alloc+0x204/0x2e0
[  419.906941]  ____cache_alloc_node+0x1c7/0x1e0
[  419.911454]  kmem_cache_alloc_node+0xe3/0x730
[  419.915960]  ? mark_held_locks+0xc7/0x130
[  419.920122]  __alloc_skb+0x119/0x770
[  419.923844]  ? netdev_alloc_frag+0x1f0/0x1f0
[  419.928256]  ? do_raw_spin_trylock+0x270/0x270
[  419.932845]  ? kmem_cache_alloc_trace+0x353/0x750
[  419.937698]  ? queue_work_on+0x12c/0x1e0
[  419.941770]  ? switchdev_port_obj_del+0xdc/0x440
[  419.946536]  ? switchdev_trans_item_enqueue+0x260/0x260
[  419.951908]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  419.956941]  __br_mdb_notify+0x4ff/0x15d0
[  419.961103]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.966220]  ? __br_mdb_add+0x7f0/0x7f0
[  419.970205]  ? mark_held_locks+0x130/0x130
[  419.974455]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.979573]  ? debug_object_assert_init+0x368/0x4b0
[  419.984596]  ? debug_object_init_on_stack+0x20/0x20
[  419.989613]  ? zap_class+0x640/0x640
[  419.993337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.998887]  br_mdb_notify+0x310/0x410
[  420.002782]  ? br_mdb_dump+0x27b0/0x27b0
[  420.006866]  br_multicast_del_pg+0x3df/0x790
[  420.011285]  ? br_mdb_ip_get+0x940/0x940
[  420.015353]  ? rwlock_bug.part.2+0x90/0x90
[  420.019600]  ? __lock_is_held+0xb5/0x140
[  420.023675]  br_multicast_port_group_expired+0x189/0x1e0
[  420.029136]  call_timer_fn+0x272/0x920
[  420.033027]  ? br_multicast_del_pg+0x790/0x790
[  420.037614]  ? process_timeout+0x40/0x40
[  420.041689]  ? mark_held_locks+0xc7/0x130
[  420.045846]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.050352]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.054859]  ? br_multicast_del_pg+0x790/0x790
[  420.059449]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.064040]  ? trace_hardirqs_on+0xbd/0x310
[  420.068363]  ? kasan_check_read+0x11/0x20
[  420.072519]  ? __run_timers+0x7da/0xc70
[  420.076501]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.081619]  ? br_multicast_del_pg+0x790/0x790
[  420.086217]  ? br_multicast_del_pg+0x790/0x790
[  420.090806]  __run_timers+0x7e5/0xc70
[  420.094630]  ? timer_fixup_init+0x70/0x70
[  420.098788]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.103807]  ? zap_class+0x640/0x640
[  420.107535]  ? print_usage_bug+0xc0/0xc0
[  420.111603]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.116806]  ? find_held_lock+0x36/0x1c0
[  420.120876]  ? zap_class+0x640/0x640
[  420.124633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.130175]  ? check_preemption_disabled+0x48/0x280
[  420.135207]  ? __lock_is_held+0xb5/0x140
[  420.139276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.144821]  ? check_preemption_disabled+0x48/0x280
[  420.149856]  run_timer_softirq+0x52/0xb0
[  420.153926]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.158963]  __do_softirq+0x308/0xb7e
[  420.162772]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.167273]  ? lock_downgrade+0x900/0x900
[  420.171452]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.176576]  ? pvclock_read_flags+0x160/0x160
[  420.181081]  ? lapic_next_event+0x5a/0x90
[  420.185236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.190790]  ? kvm_clock_read+0x18/0x30
[  420.194767]  ? kvm_sched_clock_read+0x9/0x20
[  420.199192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.204737]  ? check_preemption_disabled+0x48/0x280
[  420.209774]  irq_exit+0x17f/0x1c0
[  420.213242]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.218102]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.223994]  ? interrupt_entry+0xb5/0xc0
[  420.228065]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.233086]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.238107]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.242958]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.247977]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.253001]  ? task_prio+0x50/0x50
[  420.256551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.262094]  ? check_preemption_disabled+0x48/0x280
[  420.267126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.271990]  apic_timer_interrupt+0xf/0x20
[  420.276224]  </IRQ>
[  420.278471] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  420.283579] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  420.302489] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.310214] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  420.317492] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  420.324769] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  420.332040] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  420.339309] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  420.346615]  shrink_active_list+0x67b/0x1c20
[  420.351032]  ? free_unref_page_list+0xd1b/0x11e0
[  420.355806]  ? shrink_inactive_list+0xa4a/0x1c60
[  420.360569]  ? zap_class+0x60f/0x640
[  420.364294]  ? shrink_inactive_list+0x1c60/0x1c60
[  420.369151]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.373659]  ? find_held_lock+0x36/0x1c0
[  420.377727]  ? __page_frag_cache_drain+0x200/0x200
[  420.382660]  ? print_usage_bug+0xc0/0xc0
[  420.386740]  ? find_held_lock+0x36/0x1c0
[  420.390814]  ? zap_class+0x640/0x640
[  420.394532]  ? mark_held_locks+0xc7/0x130
[  420.398689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.404229]  ? check_preemption_disabled+0x48/0x280
[  420.409256]  ? zap_class+0x640/0x640
[  420.412981]  ? __lock_is_held+0xb5/0x140
[  420.417053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.422599]  ? check_preemption_disabled+0x48/0x280
[  420.427628]  ? __lock_is_held+0xb5/0x140
[  420.431705]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.436731]  ? inactive_list_is_low+0x305/0x880
[  420.441419]  ? lruvec_lru_size+0x450/0x450
[  420.445657]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  420.450596]  ? rcu_softirq_qs+0x20/0x20
[  420.454582]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  420.459534]  shrink_node_memcg+0x803/0x18f0
[  420.463882]  ? shrink_active_list+0x1c20/0x1c20
[  420.468562]  ? lock_downgrade+0x900/0x900
[  420.472727]  ? check_flush_dependency+0x410/0x410
[  420.477591]  ? kasan_check_read+0x11/0x20
[  420.481753]  ? ___preempt_schedule+0x16/0x18
[  420.486173]  ? _raw_spin_unlock+0x3f/0x50
[  420.490333]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  420.495538]  shrink_node+0x3bc/0x16b0
[  420.499347]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  420.504655]  ? shrink_node_memcg+0x18f0/0x18f0
[  420.509243]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.513829]  ? trace_hardirqs_on+0xbd/0x310
[  420.518161]  ? vmpressure+0x271/0x340
[  420.521975]  ? do_raw_spin_trylock+0x270/0x270
[  420.526569]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  420.532114]  ? __cpuset_node_allowed+0x19b/0x660
[  420.536883]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  420.542600]  ? vmpressure+0x1a2/0x340
[  420.546414]  do_try_to_free_pages+0x3e7/0x1290
[  420.551000]  ? zap_class+0x640/0x640
[  420.554739]  ? shrink_node+0x16b0/0x16b0
[  420.558803]  ? __lock_is_held+0xb5/0x140
[  420.562882]  try_to_free_pages+0x4d0/0xb90
[  420.567126]  ? do_try_to_free_pages+0x1290/0x1290
[  420.571981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.577539]  ? lock_acquire+0x1ed/0x520
[  420.581521]  ? set_page_refcounted+0x280/0x280
[  420.586117]  ? lock_release+0xa00/0xa00
[  420.590643]  ? perf_trace_sched_process_exec+0x860/0x860
[  420.596110]  __alloc_pages_slowpath+0x9c4/0x2d70
[  420.600902]  ? warn_alloc+0x120/0x120
[  420.604709]  ? rcu_softirq_qs+0x20/0x20
[  420.608718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.614261]  ? should_fail+0x22d/0xd01
[  420.618173]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.623294]  ? zap_class+0x640/0x640
[  420.627038]  ? __lock_is_held+0xb5/0x140
[  420.631114]  ? mark_held_locks+0x130/0x130
[  420.635357]  ? lock_release+0xa00/0xa00
[  420.639340]  ? perf_trace_sched_process_exec+0x860/0x860
[  420.644811]  ? __might_sleep+0x95/0x190
[  420.648793]  __alloc_pages_nodemask+0xa80/0xde0
[  420.653474]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  420.658515]  ? __page_cache_alloc+0x191/0x5c0
[  420.663019]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  420.667956]  ? kasan_check_read+0x11/0x20
[  420.672112]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.677399]  ? zap_class+0x640/0x640
[  420.681126]  ? zap_class+0x640/0x640
[  420.684852]  ? zap_class+0x640/0x640
[  420.688567]  ? __do_page_cache_readahead+0x7ce/0x980
[  420.693676]  ? find_held_lock+0x36/0x1c0
[  420.697749]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  420.703301]  alloc_pages_current+0x173/0x350
[  420.707986]  __page_cache_alloc+0x38c/0x5c0
[  420.712315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  420.717247]  ? kasan_check_read+0x11/0x20
[  420.721400]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.726685]  ? generic_perform_write+0x6a0/0x6a0
[  420.731446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.736990]  ? check_preemption_disabled+0x48/0x280
[  420.742017]  filemap_fault+0x1594/0x25f0
[  420.746102]  ? __lock_page_or_retry+0xa00/0xa00
[  420.750780]  ? mark_held_locks+0x130/0x130
[  420.755043]  ? rcu_softirq_qs+0x20/0x20
[  420.759037]  ? filemap_map_pages+0xe04/0x1990
[  420.763543]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.768137]  ? __free_object+0x173/0x340
[  420.772219]  ? debug_object_free+0x36f/0x690
[  420.776653]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  420.781587]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.786697]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  420.791380]  ? queue_work_on+0x12c/0x1e0
[  420.795450]  ? debug_object_free+0x36f/0x690
[  420.799867]  ? kasan_check_read+0x11/0x20
[  420.804025]  ? debug_object_destroy+0x2b0/0x2b0
[  420.808701]  ? lock_pi_update_atomic+0x150/0x150
[  420.813465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.819014]  ? __hrtimer_init+0xdb/0x240
[  420.823091]  ? lock_acquire+0x1ed/0x520
[  420.827070]  ? ext4_filemap_fault+0x7a/0xad
[  420.831406]  ? lock_release+0xa00/0xa00
[  420.835389]  ? perf_trace_sched_process_exec+0x860/0x860
[  420.840848]  ? print_usage_bug+0xc0/0xc0
[  420.844912]  ? print_usage_bug+0xc0/0xc0
[  420.849006]  ? down_read+0x8d/0x120
[  420.852635]  ? ext4_filemap_fault+0x7a/0xad
[  420.856968]  ? __down_interruptible+0x700/0x700
[  420.861656]  ext4_filemap_fault+0x82/0xad
[  420.865812]  __do_fault+0x100/0x6b0
[  420.869448]  ? pmd_devmap_trans_unstable+0x220/0x220
[  420.874558]  ? mark_held_locks+0x130/0x130
[  420.878797]  ? mark_held_locks+0x130/0x130
[  420.883053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.888603]  __handle_mm_fault+0x307c/0x5920
[  420.893013]  ? perf_trace_lock+0x7a0/0x7a0
[  420.897259]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  420.902128]  ? __switch_to_asm+0x34/0x70
[  420.906201]  ? __switch_to_asm+0x34/0x70
[  420.910279]  ? zap_class+0x640/0x640
[  420.913994]  ? zap_class+0x640/0x640
[  420.917711]  ? __x64_sys_futex+0x53e/0x6a0
[  420.921964]  ? find_held_lock+0x36/0x1c0
[  420.926042]  ? handle_mm_fault+0x42a/0xc70
[  420.930288]  ? lock_downgrade+0x900/0x900
[  420.934441]  ? check_preemption_disabled+0x48/0x280
[  420.939468]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  420.944404]  ? kasan_check_read+0x11/0x20
[  420.948562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.953845]  ? rcu_softirq_qs+0x20/0x20
[  420.957821]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.962929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.968476]  ? check_preemption_disabled+0x48/0x280
[  420.973506]  handle_mm_fault+0x54f/0xc70
[  420.977574]  ? __handle_mm_fault+0x5920/0x5920
[  420.982177]  ? find_vma+0x34/0x190
[  420.985732]  __do_page_fault+0x5e8/0xe60
[  420.989795]  ? trace_hardirqs_off+0xb8/0x310
[  420.994222]  do_page_fault+0xf2/0x7e0
[  420.998031]  ? vmalloc_sync_all+0x30/0x30
[  421.002191]  ? error_entry+0x70/0xd0
[  421.005914]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.010940]  ? trace_hardirqs_on_caller+0xc0/0x310
[  421.015883]  ? syscall_return_slowpath+0x5e0/0x5e0
[  421.020817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.025664]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.030681]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  421.036140]  ? prepare_exit_to_usermode+0x291/0x3b0
[  421.041183]  ? page_fault+0x8/0x30
[  421.044735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.049584]  ? page_fault+0x8/0x30
[  421.053135]  page_fault+0x1e/0x30
[  421.056598] RIP: 0033:0x45ddf3
[  421.059810] Code: Bad RIP value.
[  421.063176] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  421.068548] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  421.075818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  421.083087] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  421.090355] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  421.097625] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  421.104922] warn_alloc_show_mem: 1 callbacks suppressed
[  421.104934] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  421.104936] Mem-Info:
[  421.104974] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  421.104974]  active_file:15 inactive_file:12 isolated_file:0
[  421.104974]  unevictable:0 dirty:0 writeback:0 unstable:0
[  421.104974]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  421.104974]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  421.104974]  free:13694 free_pcp:0 free_cma:0
[  421.110319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.117255] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  421.119661] Call Trace:
[  421.152536] Node 0 
[  421.161893]  <IRQ>
[  421.189582] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  421.192152]  dump_stack+0x244/0x39d
[  421.194371] lowmem_reserve[]:
[  421.196522]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.222003]  0
[  421.225647]  warn_alloc.cold.117+0xb7/0x1bd
[  421.228728]  2819
[  421.233917]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.235703]  6323
[  421.240022]  ? lock_downgrade+0x900/0x900
[  421.242066]  6323
[  421.246914]  ? trace_hardirqs_off+0xb8/0x310
[  421.253102]  ? trace_hardirqs_off+0xb8/0x310
[  421.255146] Node 0 
[  421.259563]  __alloc_pages_slowpath+0x2660/0x2d70
[  421.263977] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  421.266218]  ? warn_alloc+0x120/0x120
[  421.271015] lowmem_reserve[]:
[  421.297734]  ? warn_alloc+0x120/0x120
[  421.301520]  0
[  421.304628]  ? print_usage_bug+0xc0/0xc0
[  421.308405]  0
[  421.310206]  ? warn_alloc+0x120/0x120
[  421.314257]  3503
[  421.316058]  ? print_usage_bug+0xc0/0xc0
[  421.319842]  3503
[  421.321909]  ? __lock_acquire+0x62f/0x4c20
[  421.328011]  ? __lock_acquire+0x62f/0x4c20
[  421.332231] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  421.336501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.336520]  ? should_fail+0x22d/0xd01
[  421.365210] lowmem_reserve[]: 0
[  421.370769]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.374632]  0
[  421.377927]  ? __lock_acquire+0x62f/0x4c20
[  421.383017]  0
[  421.384825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.389030]  0
[  421.390844]  ? __lock_acquire+0x62f/0x4c20
[  421.395926] Node 0 
[  421.397732]  ? should_fail+0x22d/0xd01
[  421.401949] DMA: 
[  421.404179]  ? find_held_lock+0x36/0x1c0
[  421.408047] 1*4kB 
[  421.410116]  ? mark_held_locks+0x130/0x130
[  421.414158] (U) 
[  421.416302]  ? mark_held_locks+0x130/0x130
[  421.420512] 0*8kB 0*16kB 
[  421.422501]  ? zap_class+0x640/0x640
[  421.426722] 1*32kB 
[  421.429477]  ? zap_class+0x640/0x640
[  421.433178] (U) 
[  421.435418]  ? print_usage_bug+0xc0/0xc0
[  421.439115] 2*64kB 
[  421.441095]  ? do_raw_spin_unlock+0xa7/0x330
[  421.445135] (U) 
[  421.447369]  ? zap_class+0x640/0x640
[  421.451757] 1*128kB (U) 
[  421.453742]  ? print_usage_bug+0xc0/0xc0
[  421.457438] 1*256kB 
[  421.460115]  ? wq_watchdog_touch+0x9c/0xfe
[  421.464160] (U) 
[  421.466480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.470696] 0*512kB 
[  421.472671]  ? check_preemption_disabled+0x48/0x280
[  421.478189] 1*1024kB 
[  421.481043]  ? __lock_is_held+0xb5/0x140
[  421.486044] (U) 
[  421.488467]  __alloc_pages_nodemask+0xa80/0xde0
[  421.492506] 1*2048kB 
[  421.494483]  ? zap_class+0x640/0x640
[  421.499136] (M) 
[  421.501571]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  421.505264] 3*4096kB 
[  421.507246]  ? find_held_lock+0x36/0x1c0
[  421.512244] (M) 
[  421.514661]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.518697] = 15908kB
[  421.520672]  ? lock_downgrade+0x900/0x900
[  421.525325] Node 0 
[  421.527739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.531861] DMA32: 
[  421.534102]  cache_grow_begin+0xa5/0x8c0
[  421.539618] 2*4kB 
[  421.541858]  ? do_raw_spin_unlock+0xa7/0x330
[  421.545901] (M) 
[  421.548061]  fallback_alloc+0x204/0x2e0
[  421.552455] 3*8kB 
[  421.554433]  ____cache_alloc_node+0x1c7/0x1e0
[  421.558388] (UM) 
[  421.560537]  kmem_cache_alloc_node+0xe3/0x730
[  421.565015] 3*16kB 
[  421.567080]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.571565] (UM) 
[  421.573805]  __alloc_skb+0x119/0x770
[  421.578018] 4*32kB 
[  421.580082]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.583769] (UM) 
[  421.586008]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.591257] 5*64kB (UM) 
[  421.593341]  ? lock_downgrade+0x900/0x900
[  421.597730] 4*128kB 
[  421.600418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.604535] (M) 
[  421.606862]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.612373] 5*256kB (UM) 
[  421.614367]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.619794] 5*512kB (UM) 
[  421.622564]  ? addrconf_rs_timer+0x690/0x690
[  421.627986] 4*1024kB (UM) 
[  421.630765]  ndisc_alloc_skb+0x144/0x340
[  421.635140] 2*2048kB 
[  421.637995]  ndisc_send_rs+0x331/0x6e0
[  421.642034] (M) 
[  421.644460]  addrconf_rs_timer+0x314/0x690
[  421.648326] 3*4096kB 
[  421.650310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.654515] (M) 
[  421.656939]  call_timer_fn+0x272/0x920
[  421.661140] = 25360kB
[  421.663120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.666984] Node 0 
[  421.669397]  ? process_timeout+0x40/0x40
[  421.673605] Normal: 
[  421.675849]  ? __run_timers+0x7da/0xc70
[  421.679890] 783*4kB 
[  421.682228]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.686172] (UMEH) 379*8kB 
[  421.688512]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.692980] (MEH) 
[  421.695912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.700402] 205*16kB 
[  421.702556]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.706767] (UMEH) 
[  421.709184]  ? trace_hardirqs_on+0xbd/0x310
[  421.713741] 93*32kB 
[  421.715980]  ? kasan_check_read+0x11/0x20
[  421.720289] (UMEH) 
[  421.722614]  ? __run_timers+0x7da/0xc70
[  421.726731] 24*64kB (UMH) 
[  421.728969]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.728987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.732933] 1*128kB (H) 
[  421.735799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.740881] 0*256kB 
[  421.745111]  __run_timers+0x7e5/0xc70
[  421.747762] 0*512kB 
[  421.752012]  ? timer_fixup_init+0x70/0x70
[  421.754309] 0*1024kB 
[  421.758107]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.760410] 0*2048kB 
[  421.764550]  ? zap_class+0x640/0x640
[  421.766941] 0*4096kB 
[  421.771981]  ? enqueue_hrtimer+0x1a5/0x560
[  421.774375] = 14084kB
[  421.778086]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.780508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  421.784737]  ? find_held_lock+0x36/0x1c0
[  421.787134] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  421.792320]  ? zap_class+0x640/0x640
[  421.801135] 1070 total pagecache pages
[  421.805205]  ? pvclock_read_flags+0x160/0x160
[  421.813766] 0 pages in swap cache
[  421.817476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.821347] Swap cache stats: add 0, delete 0, find 0/0
[  421.825842]  ? check_preemption_disabled+0x48/0x280
[  421.829276] Free swap  = 0kB
[  421.834819]  ? __lock_is_held+0xb5/0x140
[  421.840164] Total swap = 0kB
[  421.845183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.848187] 1965979 pages RAM
[  421.852242]  ? check_preemption_disabled+0x48/0x280
[  421.855233] 0 pages HighMem/MovableOnly
[  421.855243] 342293 pages reserved
[  421.860781]  run_timer_softirq+0x52/0xb0
[  421.863863] 0 pages cma reserved
[  421.868896]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.873001] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.876293]  __do_softirq+0x308/0xb7e
[  421.880343] syz-fuzzer cpuset=
[  421.883706]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.888706] /
[  421.898926]  ? lock_downgrade+0x900/0x900
[  421.898948]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.902738]  mems_allowed=0
[  421.905932]  ? pvclock_read_flags+0x160/0x160
[  421.928735]  ? lapic_next_event+0x5a/0x90
[  421.932901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.938455]  ? kvm_clock_read+0x18/0x30
[  421.942438]  ? kvm_sched_clock_read+0x9/0x20
[  421.946858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.952399]  ? check_preemption_disabled+0x48/0x280
[  421.957433]  irq_exit+0x17f/0x1c0
[  421.960900]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.965746]  ? smp_reschedule_interrupt+0x109/0x650
[  421.970764]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.976651]  ? interrupt_entry+0xb5/0xc0
[  421.980715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.985728]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.990753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.995602]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.000616]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.005651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.010510]  apic_timer_interrupt+0xf/0x20
[  422.014744]  </IRQ>
[  422.016987] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  422.021916] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  422.040819] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  422.048528] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  422.055798] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  422.063069] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  422.070337] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  422.077603] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  422.084917]  skb_clone+0x1bb/0x500
[  422.088468]  ? finish_task_switch+0x1b4/0x910
[  422.092965]  ? skb_split+0x11e0/0x11e0
[  422.096858]  ? preempt_notifier_register+0x200/0x200
[  422.101964]  ? __switch_to_asm+0x34/0x70
[  422.106031]  ? __switch_to_asm+0x34/0x70
[  422.110091]  ? __switch_to_asm+0x40/0x70
[  422.114161]  ? __switch_to_asm+0x34/0x70
[  422.118225]  ? __switch_to_asm+0x40/0x70
[  422.122297]  ? __switch_to_asm+0x34/0x70
[  422.126371]  ? __switch_to_asm+0x40/0x70
[  422.130428]  ? __switch_to_asm+0x34/0x70
[  422.134494]  ? __switch_to_asm+0x34/0x70
[  422.138559]  ? __switch_to_asm+0x40/0x70
[  422.142617]  ? __switch_to_asm+0x34/0x70
[  422.146688]  bpf_clone_redirect+0xb9/0x490
[  422.150931]  ? __schedule+0x8d7/0x21d0
[  422.154831]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  422.159858]  ? __sched_text_start+0x8/0x8
[  422.164019]  ? find_held_lock+0x36/0x1c0
[  422.168091]  ? lock_acquire+0x1ed/0x520
[  422.172067]  ? bpf_test_run+0x3cb/0x780
[  422.176047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.181588]  ? check_preemption_disabled+0x48/0x280
[  422.186613]  ? kasan_check_read+0x11/0x20
[  422.190768]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.196050]  ? rcu_softirq_qs+0x20/0x20
[  422.200034]  ? preempt_schedule+0x4d/0x60
[  422.204196]  ? ___preempt_schedule+0x16/0x18
[  422.208622]  ? bpf_test_run+0x25d/0x780
[  422.212700]  ? netlink_diag_dump+0x2a0/0x2a0
[  422.217120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.222673]  ? bpf_test_init.isra.10+0x70/0x100
[  422.227358]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  422.232128]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.236985]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  422.242527]  ? fput+0x130/0x1a0
[  422.245814]  ? __bpf_prog_get+0x9b/0x290
[  422.249879]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.254723]  ? bpf_prog_test_run+0x130/0x1a0
[  422.259164]  ? __x64_sys_bpf+0x3d8/0x520
[  422.263236]  ? bpf_prog_get+0x20/0x20
[  422.267063]  ? do_syscall_64+0x1b9/0x820
[  422.271133]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  422.276511]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.281461]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.286487]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  422.291506]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  422.298181]  ? __switch_to_asm+0x40/0x70
[  422.302243]  ? __switch_to_asm+0x34/0x70
[  422.306325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.311183]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  422.316587] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  422.316656] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  422.323176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.323185] Call Trace:
[  422.329786] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.339053]  <IRQ>
[  422.341640] syz-executor1 cpuset=
[  422.352134]  dump_stack+0x244/0x39d
[  422.354262] syz1
[  422.357713]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.361318]  mems_allowed=0
[  422.363300]  warn_alloc.cold.117+0xb7/0x1bd
[  422.375718]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.380572]  ? lock_downgrade+0x900/0x900
[  422.384734]  ? trace_hardirqs_off+0xb8/0x310
[  422.389154]  ? trace_hardirqs_off+0xb8/0x310
[  422.393576]  __alloc_pages_slowpath+0x2660/0x2d70
[  422.398456]  ? warn_alloc+0x120/0x120
[  422.402263]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  422.407281]  ? warn_alloc+0x120/0x120
[  422.411089]  ? print_usage_bug+0xc0/0xc0
[  422.415149]  ? warn_alloc+0x120/0x120
[  422.418957]  ? print_usage_bug+0xc0/0xc0
[  422.423022]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  422.428222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.433765]  ? should_fail+0x22d/0xd01
[  422.437658]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.442764]  ? __lock_acquire+0x62f/0x4c20
[  422.447006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.452110]  ? should_fail+0x22d/0xd01
[  422.456013]  ? mark_held_locks+0x130/0x130
[  422.460258]  ? mark_held_locks+0x130/0x130
[  422.464509]  ? print_usage_bug+0xc0/0xc0
[  422.468578]  ? find_held_lock+0x36/0x1c0
[  422.472645]  ? zap_class+0x640/0x640
[  422.476372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.481911]  ? check_preemption_disabled+0x48/0x280
[  422.486941]  ? __lock_is_held+0xb5/0x140
[  422.491021]  __alloc_pages_nodemask+0xa80/0xde0
[  422.495695]  ? zap_class+0x640/0x640
[  422.499419]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  422.504451]  ? find_held_lock+0x36/0x1c0
[  422.508525]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.513196]  ? lock_downgrade+0x900/0x900
[  422.517354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.522897]  cache_grow_begin+0xa5/0x8c0
[  422.526968]  ? do_raw_spin_unlock+0xa7/0x330
[  422.531414]  fallback_alloc+0x204/0x2e0
[  422.535399]  ____cache_alloc_node+0x1c7/0x1e0
[  422.539905]  kmem_cache_alloc_node+0xe3/0x730
[  422.544412]  ? mark_held_locks+0xc7/0x130
[  422.548575]  __alloc_skb+0x119/0x770
[  422.552297]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.556723]  ? do_raw_spin_trylock+0x270/0x270
[  422.561308]  ? kmem_cache_alloc_trace+0x353/0x750
[  422.566159]  ? queue_work_on+0x12c/0x1e0
[  422.570277]  ? switchdev_port_obj_del+0xdc/0x440
[  422.575044]  ? switchdev_trans_item_enqueue+0x260/0x260
[  422.580415]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  422.585442]  __br_mdb_notify+0x4ff/0x15d0
[  422.590108]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.595226]  ? __br_mdb_add+0x7f0/0x7f0
[  422.599210]  ? mark_held_locks+0x130/0x130
[  422.603454]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.608565]  ? debug_object_assert_init+0x368/0x4b0
[  422.613585]  ? debug_object_init_on_stack+0x20/0x20
[  422.618601]  ? zap_class+0x640/0x640
[  422.622319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.627872]  br_mdb_notify+0x310/0x410
[  422.631771]  ? br_mdb_dump+0x27b0/0x27b0
[  422.635852]  br_multicast_del_pg+0x3df/0x790
[  422.640275]  ? br_mdb_ip_get+0x940/0x940
[  422.644351]  ? rwlock_bug.part.2+0x90/0x90
[  422.648598]  ? __lock_is_held+0xb5/0x140
[  422.652675]  br_multicast_port_group_expired+0x189/0x1e0
[  422.658141]  call_timer_fn+0x272/0x920
[  422.662046]  ? br_multicast_del_pg+0x790/0x790
[  422.666637]  ? process_timeout+0x40/0x40
[  422.670713]  ? mark_held_locks+0xc7/0x130
[  422.674867]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.679369]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.683882]  ? br_multicast_del_pg+0x790/0x790
[  422.688478]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.693067]  ? trace_hardirqs_on+0xbd/0x310
[  422.697394]  ? kasan_check_read+0x11/0x20
[  422.701554]  ? __run_timers+0x7da/0xc70
[  422.705542]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.710659]  ? br_multicast_del_pg+0x790/0x790
[  422.715253]  ? br_multicast_del_pg+0x790/0x790
[  422.719845]  __run_timers+0x7e5/0xc70
[  422.723668]  ? timer_fixup_init+0x70/0x70
[  422.727820]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  422.732843]  ? zap_class+0x640/0x640
[  422.736575]  ? print_usage_bug+0xc0/0xc0
[  422.740645]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  422.745847]  ? find_held_lock+0x36/0x1c0
[  422.749921]  ? zap_class+0x640/0x640
[  422.753654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.759198]  ? check_preemption_disabled+0x48/0x280
[  422.764229]  ? __lock_is_held+0xb5/0x140
[  422.768294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.773834]  ? check_preemption_disabled+0x48/0x280
[  422.778867]  run_timer_softirq+0x52/0xb0
[  422.782932]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.787967]  __do_softirq+0x308/0xb7e
[  422.791778]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  422.796281]  ? lock_downgrade+0x900/0x900
[  422.800458]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.805577]  ? pvclock_read_flags+0x160/0x160
[  422.810085]  ? lapic_next_event+0x5a/0x90
[  422.814243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.819791]  ? kvm_clock_read+0x18/0x30
[  422.823771]  ? kvm_sched_clock_read+0x9/0x20
[  422.828194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.833744]  ? check_preemption_disabled+0x48/0x280
[  422.838782]  irq_exit+0x17f/0x1c0
[  422.842246]  smp_apic_timer_interrupt+0x1cb/0x760
[  422.847096]  ? smp_call_function_single_interrupt+0x650/0x650
[  422.852988]  ? interrupt_entry+0xb5/0xc0
[  422.857058]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.862075]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.867096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.871942]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.876976]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.881997]  ? task_prio+0x50/0x50
[  422.885542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.891086]  ? check_preemption_disabled+0x48/0x280
[  422.896112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.900981]  apic_timer_interrupt+0xf/0x20
[  422.905217]  </IRQ>
[  422.907460] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  422.912575] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  422.931485] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  422.939202] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  422.946480] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  422.953758] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  422.961034] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  422.968315] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  422.975625]  shrink_active_list+0x67b/0x1c20
[  422.980037]  ? free_unref_page_list+0xd1b/0x11e0
[  422.984811]  ? shrink_inactive_list+0xa4a/0x1c60
[  422.989582]  ? zap_class+0x60f/0x640
[  422.993303]  ? shrink_inactive_list+0x1c60/0x1c60
[  422.998171]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.002683]  ? find_held_lock+0x36/0x1c0
[  423.006753]  ? __page_frag_cache_drain+0x200/0x200
[  423.011686]  ? print_usage_bug+0xc0/0xc0
[  423.015773]  ? find_held_lock+0x36/0x1c0
[  423.019847]  ? zap_class+0x640/0x640
[  423.023567]  ? mark_held_locks+0xc7/0x130
[  423.027728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.033272]  ? check_preemption_disabled+0x48/0x280
[  423.038301]  ? zap_class+0x640/0x640
[  423.042024]  ? __lock_is_held+0xb5/0x140
[  423.046095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.051641]  ? check_preemption_disabled+0x48/0x280
[  423.056679]  ? __lock_is_held+0xb5/0x140
[  423.060759]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.065788]  ? inactive_list_is_low+0x305/0x880
[  423.070478]  ? lruvec_lru_size+0x450/0x450
[  423.074724]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.079664]  ? rcu_softirq_qs+0x20/0x20
[  423.083667]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  423.088618]  shrink_node_memcg+0x803/0x18f0
[  423.092969]  ? shrink_active_list+0x1c20/0x1c20
[  423.097652]  ? lock_downgrade+0x900/0x900
[  423.101806]  ? check_flush_dependency+0x410/0x410
[  423.106663]  ? kasan_check_read+0x11/0x20
[  423.110822]  ? ___preempt_schedule+0x16/0x18
[  423.115246]  ? _raw_spin_unlock+0x3f/0x50
[  423.119399]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  423.124597]  shrink_node+0x3bc/0x16b0
[  423.128407]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  423.133715]  ? shrink_node_memcg+0x18f0/0x18f0
[  423.138302]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.142889]  ? trace_hardirqs_on+0xbd/0x310
[  423.147213]  ? vmpressure+0x271/0x340
[  423.151027]  ? do_raw_spin_trylock+0x270/0x270
[  423.155623]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  423.161173]  ? __cpuset_node_allowed+0x19b/0x660
[  423.165942]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  423.171674]  ? vmpressure+0x1a2/0x340
[  423.175493]  do_try_to_free_pages+0x3e7/0x1290
[  423.180084]  ? zap_class+0x640/0x640
[  423.183819]  ? shrink_node+0x16b0/0x16b0
[  423.187891]  ? __lock_is_held+0xb5/0x140
[  423.191979]  try_to_free_pages+0x4d0/0xb90
[  423.196228]  ? do_try_to_free_pages+0x1290/0x1290
[  423.201077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.206636]  ? lock_acquire+0x1ed/0x520
[  423.210622]  ? set_page_refcounted+0x280/0x280
[  423.215220]  ? lock_release+0xa00/0xa00
[  423.219209]  ? perf_trace_sched_process_exec+0x860/0x860
[  423.224677]  __alloc_pages_slowpath+0x9c4/0x2d70
[  423.229469]  ? warn_alloc+0x120/0x120
[  423.233278]  ? rcu_softirq_qs+0x20/0x20
[  423.237290]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.242837]  ? should_fail+0x22d/0xd01
[  423.246742]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.251851]  ? zap_class+0x640/0x640
[  423.255599]  ? __lock_is_held+0xb5/0x140
[  423.259676]  ? mark_held_locks+0x130/0x130
[  423.263922]  ? lock_release+0xa00/0xa00
[  423.267911]  ? perf_trace_sched_process_exec+0x860/0x860
[  423.273392]  ? __might_sleep+0x95/0x190
[  423.277380]  __alloc_pages_nodemask+0xa80/0xde0
[  423.282063]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  423.287096]  ? __page_cache_alloc+0x191/0x5c0
[  423.291599]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.296543]  ? kasan_check_read+0x11/0x20
[  423.300705]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.306001]  ? zap_class+0x640/0x640
[  423.309730]  ? zap_class+0x640/0x640
[  423.313449]  ? zap_class+0x640/0x640
[  423.317183]  ? __do_page_cache_readahead+0x7ce/0x980
[  423.322303]  ? find_held_lock+0x36/0x1c0
[  423.326375]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  423.331928]  alloc_pages_current+0x173/0x350
[  423.336358]  __page_cache_alloc+0x38c/0x5c0
[  423.340685]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.345626]  ? kasan_check_read+0x11/0x20
[  423.349786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.355077]  ? generic_perform_write+0x6a0/0x6a0
[  423.359840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.365387]  ? check_preemption_disabled+0x48/0x280
[  423.370417]  filemap_fault+0x1594/0x25f0
[  423.374505]  ? __lock_page_or_retry+0xa00/0xa00
[  423.379188]  ? mark_held_locks+0x130/0x130
[  423.383432]  ? rcu_softirq_qs+0x20/0x20
[  423.387425]  ? filemap_map_pages+0xe04/0x1990
[  423.391937]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.396548]  ? __free_object+0x173/0x340
[  423.400615]  ? debug_object_free+0x36f/0x690
[  423.405037]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  423.409979]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.415095]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  423.419784]  ? queue_work_on+0x12c/0x1e0
[  423.423857]  ? debug_object_free+0x36f/0x690
[  423.428270]  ? kasan_check_read+0x11/0x20
[  423.432430]  ? debug_object_destroy+0x2b0/0x2b0
[  423.437112]  ? lock_pi_update_atomic+0x150/0x150
[  423.441875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.447422]  ? __hrtimer_init+0xdb/0x240
[  423.451500]  ? lock_acquire+0x1ed/0x520
[  423.455483]  ? ext4_filemap_fault+0x7a/0xad
[  423.459820]  ? lock_release+0xa00/0xa00
[  423.463804]  ? perf_trace_sched_process_exec+0x860/0x860
[  423.469261]  ? print_usage_bug+0xc0/0xc0
[  423.473331]  ? print_usage_bug+0xc0/0xc0
[  423.477411]  ? down_read+0x8d/0x120
[  423.481262]  ? ext4_filemap_fault+0x7a/0xad
[  423.485595]  ? __down_interruptible+0x700/0x700
[  423.490284]  ext4_filemap_fault+0x82/0xad
[  423.494441]  __do_fault+0x100/0x6b0
[  423.498087]  ? pmd_devmap_trans_unstable+0x220/0x220
[  423.503211]  ? mark_held_locks+0x130/0x130
[  423.507451]  ? mark_held_locks+0x130/0x130
[  423.511703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.517253]  __handle_mm_fault+0x307c/0x5920
[  423.521663]  ? perf_trace_lock+0x7a0/0x7a0
[  423.525911]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  423.530772]  ? __switch_to_asm+0x34/0x70
[  423.534837]  ? __switch_to_asm+0x34/0x70
[  423.538914]  ? zap_class+0x640/0x640
[  423.542633]  ? zap_class+0x640/0x640
[  423.546353]  ? __x64_sys_futex+0x53e/0x6a0
[  423.550602]  ? find_held_lock+0x36/0x1c0
[  423.554677]  ? handle_mm_fault+0x42a/0xc70
[  423.558915]  ? lock_downgrade+0x900/0x900
[  423.563072]  ? check_preemption_disabled+0x48/0x280
[  423.568097]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.573035]  ? kasan_check_read+0x11/0x20
[  423.577189]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.582475]  ? rcu_softirq_qs+0x20/0x20
[  423.586456]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.591564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.597106]  ? check_preemption_disabled+0x48/0x280
[  423.602139]  handle_mm_fault+0x54f/0xc70
[  423.606210]  ? __handle_mm_fault+0x5920/0x5920
[  423.610805]  ? find_vma+0x34/0x190
[  423.614354]  __do_page_fault+0x5e8/0xe60
[  423.618429]  ? trace_hardirqs_off+0xb8/0x310
[  423.622856]  do_page_fault+0xf2/0x7e0
[  423.626665]  ? vmalloc_sync_all+0x30/0x30
[  423.630817]  ? error_entry+0x70/0xd0
[  423.634540]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.639558]  ? trace_hardirqs_on_caller+0xc0/0x310
[  423.644494]  ? syscall_return_slowpath+0x5e0/0x5e0
[  423.649429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.654275]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.659296]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  423.664756]  ? prepare_exit_to_usermode+0x291/0x3b0
[  423.669779]  ? page_fault+0x8/0x30
[  423.673327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.678181]  ? page_fault+0x8/0x30
[  423.681732]  page_fault+0x1e/0x30
[  423.685187] RIP: 0033:0x45ddf3
[  423.688395] Code: Bad RIP value.
[  423.691758] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  423.697124] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  423.704398] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  423.711669] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  423.718940] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  423.726221] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  423.733524] warn_alloc_show_mem: 1 callbacks suppressed
[  423.733537] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  423.733539] Mem-Info:
[  423.733570] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  423.733570]  active_file:15 inactive_file:12 isolated_file:0
[  423.733570]  unevictable:0 dirty:0 writeback:0 unstable:0
[  423.733570]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  423.733570]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  423.733570]  free:13694 free_pcp:0 free_cma:0
[  423.738920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.745864] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  423.748273] Call Trace:
[  423.781163] 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
[  423.790552]  <IRQ>
[  423.818319] lowmem_reserve[]:
[  423.820915]  dump_stack+0x244/0x39d
[  423.847027]  0
[  423.849198]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.852275]  2819
[  423.855919]  warn_alloc.cold.117+0xb7/0x1bd
[  423.857707]  6323
[  423.862900]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.864939]  6323
[  423.869270]  ? lock_downgrade+0x900/0x900
[  423.876173]  ? trace_hardirqs_off+0xb8/0x310
[  423.878271] Node 0 
[  423.882433]  ? trace_hardirqs_off+0xb8/0x310
[  423.886848] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  423.889072]  __alloc_pages_slowpath+0x2660/0x2d70
[  423.893448] lowmem_reserve[]: 0 0
[  423.920232]  ? warn_alloc+0x120/0x120
[  423.925033]  3503
[  423.928492]  ? warn_alloc+0x120/0x120
[  423.932261]  3503
[  423.934335]  ? print_usage_bug+0xc0/0xc0
[  423.938116] Node 0 
[  423.940185]  ? warn_alloc+0x120/0x120
[  423.944256] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  423.946478]  ? print_usage_bug+0xc0/0xc0
[  423.950272] lowmem_reserve[]:
[  423.978399]  ? __lock_acquire+0x62f/0x4c20
[  423.982447]  0
[  423.985567]  ? __lock_acquire+0x62f/0x4c20
[  423.989773]  0 0
[  423.991608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.995803]  0
[  423.997799]  ? should_fail+0x22d/0xd01
[  424.003314] Node 0 
[  424.005124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.009005] DMA: 
[  424.011251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.016507] 1*4kB 
[  424.018572]  ? __lock_acquire+0x62f/0x4c20
[  424.023650] (U) 0*8kB 
[  424.025817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.030022] 0*16kB 1*32kB 
[  424.032530]  ? __lock_acquire+0x62f/0x4c20
[  424.037609] (U) 
[  424.040467]  ? should_fail+0x22d/0xd01
[  424.044676] 2*64kB 
[  424.046658]  ? rcu_irq_exit+0x1a2/0x390
[  424.050523] (U) 
[  424.052769]  ? mark_held_locks+0x130/0x130
[  424.056709] 1*128kB (U) 
[  424.058697]  ? mark_held_locks+0x130/0x130
[  424.062910] 1*256kB (U) 
[  424.065599]  ? mark_held_locks+0xc7/0x130
[  424.069902] 0*512kB 
[  424.072581]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  424.076700] 1*1024kB (U) 
[  424.079040]  ? zap_class+0x640/0x640
[  424.084039] 1*2048kB 
[  424.086799]  ? print_usage_bug+0xc0/0xc0
[  424.090495] (M) 
[  424.092910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.096943] 3*4096kB (M) 
[  424.098936]  ? check_preemption_disabled+0x48/0x280
[  424.104449] = 15908kB
[  424.104460] Node 0 
[  424.107223]  ? __lock_is_held+0xb5/0x140
[  424.112212] DMA32: 
[  424.114631]  __alloc_pages_nodemask+0xa80/0xde0
[  424.116849] 2*4kB 
[  424.120912]  ? zap_class+0x640/0x640
[  424.123128] (M) 
[  424.127808]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  424.129940] 3*8kB 
[  424.133660]  ? find_held_lock+0x36/0x1c0
[  424.135609] (UM) 
[  424.140637]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.142763] 3*16kB 
[  424.146826]  ? lock_downgrade+0x900/0x900
[  424.148874] (UM) 
[  424.153551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.155771] 4*32kB 
[  424.159921]  cache_grow_begin+0xa5/0x8c0
[  424.161972] (UM) 
[  424.167512]  ? do_raw_spin_unlock+0xa7/0x330
[  424.169729] 5*64kB 
[  424.173797]  fallback_alloc+0x204/0x2e0
[  424.175834] (UM) 
[  424.180253]  ____cache_alloc_node+0x1c7/0x1e0
[  424.182459] 4*128kB (M) 
[  424.186461]  kmem_cache_alloc_node+0xe3/0x730
[  424.188501] 5*256kB 
[  424.193001]  ? ipv6_get_ifaddr+0x42e/0x620
[  424.195648] (UM) 
[  424.201367]  __alloc_skb+0x119/0x770
[  424.203666] 5*512kB 
[  424.207902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.209951] (UM) 
[  424.213663]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.215960] 4*1024kB (UM) 
[  424.221252]  ? lock_downgrade+0x900/0x900
[  424.223293] 2*2048kB (M) 
[  424.227719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.230537] 3*4096kB 
[  424.234700]  ? refcount_sub_and_test_checked+0x203/0x310
[  424.237440] (M) 
[  424.242990]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  424.245374] = 25360kB
[  424.245383] Node 0 
[  424.250840]  ? addrconf_rs_timer+0x690/0x690
[  424.252797] Normal: 
[  424.258266]  ndisc_alloc_skb+0x144/0x340
[  424.260657] 783*4kB 
[  424.262905]  ndisc_send_rs+0x331/0x6e0
[  424.267283] (UMEH) 379*8kB 
[  424.269631]  addrconf_rs_timer+0x314/0x690
[  424.273664] (MEH) 
[  424.275999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.279863] 205*16kB 
[  424.282804]  call_timer_fn+0x272/0x920
[  424.287015] (UMEH) 
[  424.289174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.293381] 93*32kB 
[  424.295790]  ? process_timeout+0x40/0x40
[  424.299654] (UMEH) 
[  424.301898]  ? __run_timers+0x7da/0xc70
[  424.306112] 24*64kB 
[  424.308438]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.312482] (UMH) 
[  424.314722]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.318674] 1*128kB 
[  424.321000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.325472] (H) 
[  424.327632]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.332105] 0*256kB 
[  424.334434]  ? trace_hardirqs_on+0xbd/0x310
[  424.338648] 0*512kB 
[  424.340629]  ? kasan_check_read+0x11/0x20
[  424.345191] 0*1024kB 
[  424.347520]  ? __run_timers+0x7da/0xc70
[  424.351815] 0*2048kB 0*4096kB 
[  424.354166]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.358288] = 14084kB
[  424.360710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.364668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  424.367861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.372954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  424.375355]  __run_timers+0x7e5/0xc70
[  424.379569] 1070 total pagecache pages
[  424.388433]  ? timer_fixup_init+0x70/0x70
[  424.392649] 0 pages in swap cache
[  424.401223]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  424.405002] Swap cache stats: add 0, delete 0, find 0/0
[  424.405012] Free swap  = 0kB
[  424.408901]  ? zap_class+0x640/0x640
[  424.413032] Total swap = 0kB
[  424.416488]  ? enqueue_hrtimer+0x1a5/0x560
[  424.421480] 1965979 pages RAM
[  424.426849]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  424.429849] 0 pages HighMem/MovableOnly
[  424.433563]  ? find_held_lock+0x36/0x1c0
[  424.436560] 342293 pages reserved
[  424.440790]  ? zap_class+0x640/0x640
[  424.443874] 0 pages cma reserved
[  424.444071] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.449077]  ? pvclock_read_flags+0x160/0x160
[  424.453029] syz-fuzzer cpuset=
[  424.457090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.460524] /
[  424.464236]  ? check_preemption_disabled+0x48/0x280
[  424.467588]  mems_allowed=0
[  424.477816]  ? __lock_is_held+0xb5/0x140
[  424.505608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.511175]  ? check_preemption_disabled+0x48/0x280
[  424.516232]  run_timer_softirq+0x52/0xb0
[  424.520311]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.525359]  __do_softirq+0x308/0xb7e
[  424.529189]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.533705]  ? lock_downgrade+0x900/0x900
[  424.537878]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.543010]  ? pvclock_read_flags+0x160/0x160
[  424.547528]  ? lapic_next_event+0x5a/0x90
[  424.551693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.557261]  ? kvm_clock_read+0x18/0x30
[  424.561271]  ? kvm_sched_clock_read+0x9/0x20
[  424.565703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.571297]  ? check_preemption_disabled+0x48/0x280
[  424.576344]  irq_exit+0x17f/0x1c0
[  424.579811]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.584667]  ? smp_reschedule_interrupt+0x109/0x650
[  424.589950]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.595859]  ? interrupt_entry+0xb5/0xc0
[  424.599936]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.604982]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.610027]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.614892]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.619924]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.624981]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.629857]  apic_timer_interrupt+0xf/0x20
[  424.634103]  </IRQ>
[  424.636356] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  424.641300] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  424.660220] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  424.667952] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  424.675234] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  424.682513] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  424.689798] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  424.697079] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  424.704412]  skb_clone+0x1bb/0x500
[  424.707981]  ? finish_task_switch+0x1b4/0x910
[  424.712496]  ? skb_split+0x11e0/0x11e0
[  424.716407]  ? preempt_notifier_register+0x200/0x200
[  424.721533]  ? __switch_to_asm+0x34/0x70
[  424.725618]  ? __switch_to_asm+0x34/0x70
[  424.729696]  ? __switch_to_asm+0x40/0x70
[  424.733780]  ? __switch_to_asm+0x34/0x70
[  424.737852]  ? __switch_to_asm+0x40/0x70
[  424.741923]  ? __switch_to_asm+0x34/0x70
[  424.745995]  ? __switch_to_asm+0x40/0x70
[  424.750064]  ? __switch_to_asm+0x34/0x70
[  424.754141]  ? __switch_to_asm+0x34/0x70
[  424.758217]  ? __switch_to_asm+0x40/0x70
[  424.762290]  ? __switch_to_asm+0x34/0x70
[  424.766377]  bpf_clone_redirect+0xb9/0x490
[  424.770633]  ? __schedule+0x8d7/0x21d0
[  424.774542]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  424.779583]  ? __sched_text_start+0x8/0x8
[  424.783762]  ? find_held_lock+0x36/0x1c0
[  424.787847]  ? lock_acquire+0x1ed/0x520
[  424.791843]  ? bpf_test_run+0x3cb/0x780
[  424.795825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.801376]  ? check_preemption_disabled+0x48/0x280
[  424.806411]  ? kasan_check_read+0x11/0x20
[  424.810572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.815863]  ? rcu_softirq_qs+0x20/0x20
[  424.819852]  ? preempt_schedule+0x4d/0x60
[  424.824008]  ? ___preempt_schedule+0x16/0x18
[  424.828431]  ? bpf_test_run+0x25d/0x780
[  424.832430]  ? netlink_diag_dump+0x2a0/0x2a0
[  424.836853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.842406]  ? bpf_test_init.isra.10+0x70/0x100
[  424.847121]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  424.851909]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  424.856775]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  424.862339]  ? fput+0x130/0x1a0
[  424.865648]  ? __bpf_prog_get+0x9b/0x290
[  424.869742]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  424.874610]  ? bpf_prog_test_run+0x130/0x1a0
[  424.879044]  ? __x64_sys_bpf+0x3d8/0x520
[  424.883128]  ? bpf_prog_get+0x20/0x20
[  424.886974]  ? do_syscall_64+0x1b9/0x820
[  424.891056]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  424.896459]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.901413]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.906467]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  424.911508]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  424.918203]  ? __switch_to_asm+0x40/0x70
[  424.922313]  ? __switch_to_asm+0x34/0x70
[  424.926412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.931297]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  424.936798] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  424.936866] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  424.943407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.943419] Call Trace:
[  424.950093] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.959322]  <IRQ>
[  424.961910] syz-executor1 cpuset=
[  424.972417]  dump_stack+0x244/0x39d
[  424.974549] syz1
[  424.978009]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.981626]  mems_allowed=0
[  424.983608]  warn_alloc.cold.117+0xb7/0x1bd
[  424.996016]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.000867]  ? lock_downgrade+0x900/0x900
[  425.005031]  ? trace_hardirqs_off+0xb8/0x310
[  425.009473]  ? trace_hardirqs_off+0xb8/0x310
[  425.013896]  __alloc_pages_slowpath+0x2660/0x2d70
[  425.018774]  ? warn_alloc+0x120/0x120
[  425.022587]  ? warn_alloc+0x120/0x120
[  425.026568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.032115]  ? print_usage_bug+0xc0/0xc0
[  425.036190]  ? warn_alloc+0x120/0x120
[  425.039995]  ? print_usage_bug+0xc0/0xc0
[  425.044063]  ? mark_held_locks+0x130/0x130
[  425.048303]  ? __lock_is_held+0xb5/0x140
[  425.052376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.057922]  ? should_fail+0x22d/0xd01
[  425.061830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.066938]  ? __lock_acquire+0x62f/0x4c20
[  425.071199]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.076307]  ? should_fail+0x22d/0xd01
[  425.080210]  ? mark_held_locks+0x130/0x130
[  425.084453]  ? mark_held_locks+0x130/0x130
[  425.088692]  ? print_usage_bug+0xc0/0xc0
[  425.092766]  ? find_held_lock+0x36/0x1c0
[  425.096833]  ? zap_class+0x640/0x640
[  425.100562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.106102]  ? check_preemption_disabled+0x48/0x280
[  425.111142]  ? __lock_is_held+0xb5/0x140
[  425.115226]  __alloc_pages_nodemask+0xa80/0xde0
[  425.119904]  ? zap_class+0x640/0x640
[  425.123635]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  425.128673]  ? find_held_lock+0x36/0x1c0
[  425.132747]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.137426]  ? lock_downgrade+0x900/0x900
[  425.141587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.147138]  cache_grow_begin+0xa5/0x8c0
[  425.151213]  ? do_raw_spin_unlock+0xa7/0x330
[  425.155638]  fallback_alloc+0x204/0x2e0
[  425.159623]  ____cache_alloc_node+0x1c7/0x1e0
[  425.164131]  kmem_cache_alloc_node+0xe3/0x730
[  425.168641]  ? mark_held_locks+0xc7/0x130
[  425.172806]  __alloc_skb+0x119/0x770
[  425.176528]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.180943]  ? do_raw_spin_trylock+0x270/0x270
[  425.185541]  ? kmem_cache_alloc_trace+0x353/0x750
[  425.190407]  ? queue_work_on+0x12c/0x1e0
[  425.194482]  ? switchdev_port_obj_del+0xdc/0x440
[  425.199245]  ? switchdev_trans_item_enqueue+0x260/0x260
[  425.204622]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  425.209649]  __br_mdb_notify+0x4ff/0x15d0
[  425.213801]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.218920]  ? __br_mdb_add+0x7f0/0x7f0
[  425.222994]  ? mark_held_locks+0x130/0x130
[  425.227241]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.232351]  ? debug_object_assert_init+0x368/0x4b0
[  425.237376]  ? debug_object_init_on_stack+0x20/0x20
[  425.242391]  ? zap_class+0x640/0x640
[  425.246113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.251668]  br_mdb_notify+0x310/0x410
[  425.255571]  ? br_mdb_dump+0x27b0/0x27b0
[  425.259656]  br_multicast_del_pg+0x3df/0x790
[  425.264083]  ? br_mdb_ip_get+0x940/0x940
[  425.268153]  ? rwlock_bug.part.2+0x90/0x90
[  425.272405]  ? __lock_is_held+0xb5/0x140
[  425.276483]  br_multicast_port_group_expired+0x189/0x1e0
[  425.281945]  call_timer_fn+0x272/0x920
[  425.285845]  ? br_multicast_del_pg+0x790/0x790
[  425.290437]  ? process_timeout+0x40/0x40
[  425.294514]  ? mark_held_locks+0xc7/0x130
[  425.298674]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.303181]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.307682]  ? br_multicast_del_pg+0x790/0x790
[  425.312270]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.316870]  ? trace_hardirqs_on+0xbd/0x310
[  425.321196]  ? kasan_check_read+0x11/0x20
[  425.325359]  ? __run_timers+0x7da/0xc70
[  425.329338]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.334452]  ? br_multicast_del_pg+0x790/0x790
[  425.339046]  ? br_multicast_del_pg+0x790/0x790
[  425.343632]  __run_timers+0x7e5/0xc70
[  425.347452]  ? timer_fixup_init+0x70/0x70
[  425.351607]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.356631]  ? zap_class+0x640/0x640
[  425.360351]  ? print_usage_bug+0xc0/0xc0
[  425.364423]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.369624]  ? find_held_lock+0x36/0x1c0
[  425.373697]  ? zap_class+0x640/0x640
[  425.377424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.382971]  ? check_preemption_disabled+0x48/0x280
[  425.388013]  ? __lock_is_held+0xb5/0x140
[  425.392084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.397629]  ? check_preemption_disabled+0x48/0x280
[  425.402660]  run_timer_softirq+0x52/0xb0
[  425.406723]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.411745]  __do_softirq+0x308/0xb7e
[  425.415555]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  425.420056]  ? lock_downgrade+0x900/0x900
[  425.424218]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.429333]  ? pvclock_read_flags+0x160/0x160
[  425.433834]  ? lapic_next_event+0x5a/0x90
[  425.437991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.443543]  ? kvm_clock_read+0x18/0x30
[  425.447523]  ? kvm_sched_clock_read+0x9/0x20
[  425.451936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.457491]  ? check_preemption_disabled+0x48/0x280
[  425.462527]  irq_exit+0x17f/0x1c0
[  425.465992]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.470842]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.476735]  ? interrupt_entry+0xb5/0xc0
[  425.480973]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.485995]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.491020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.495866]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.500886]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.505907]  ? task_prio+0x50/0x50
[  425.509453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.514993]  ? check_preemption_disabled+0x48/0x280
[  425.520029]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.524906]  apic_timer_interrupt+0xf/0x20
[  425.529148]  </IRQ>
[  425.531398] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  425.536506] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  425.555418] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  425.563139] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  425.570412] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  425.577683] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  425.584962] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  425.592239] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  425.599553]  shrink_active_list+0x67b/0x1c20
[  425.603976]  ? free_unref_page_list+0xd1b/0x11e0
[  425.608754]  ? shrink_inactive_list+0xa4a/0x1c60
[  425.613522]  ? zap_class+0x60f/0x640
[  425.617240]  ? shrink_inactive_list+0x1c60/0x1c60
[  425.622097]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.626602]  ? find_held_lock+0x36/0x1c0
[  425.630671]  ? __page_frag_cache_drain+0x200/0x200
[  425.635629]  ? print_usage_bug+0xc0/0xc0
[  425.639713]  ? find_held_lock+0x36/0x1c0
[  425.643785]  ? zap_class+0x640/0x640
[  425.647505]  ? mark_held_locks+0xc7/0x130
[  425.651660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.657204]  ? check_preemption_disabled+0x48/0x280
[  425.662243]  ? zap_class+0x640/0x640
[  425.665966]  ? __lock_is_held+0xb5/0x140
[  425.670035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.675578]  ? check_preemption_disabled+0x48/0x280
[  425.680614]  ? __lock_is_held+0xb5/0x140
[  425.684695]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.689715]  ? inactive_list_is_low+0x305/0x880
[  425.694397]  ? lruvec_lru_size+0x450/0x450
[  425.698640]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.703582]  ? rcu_softirq_qs+0x20/0x20
[  425.707573]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  425.712523]  shrink_node_memcg+0x803/0x18f0
[  425.716877]  ? shrink_active_list+0x1c20/0x1c20
[  425.721569]  ? lock_downgrade+0x900/0x900
[  425.725723]  ? check_flush_dependency+0x410/0x410
[  425.730575]  ? kasan_check_read+0x11/0x20
[  425.734738]  ? ___preempt_schedule+0x16/0x18
[  425.739161]  ? _raw_spin_unlock+0x3f/0x50
[  425.743323]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  425.748523]  shrink_node+0x3bc/0x16b0
[  425.752335]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  425.757644]  ? shrink_node_memcg+0x18f0/0x18f0
[  425.762231]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.766834]  ? trace_hardirqs_on+0xbd/0x310
[  425.771156]  ? vmpressure+0x271/0x340
[  425.774986]  ? do_raw_spin_trylock+0x270/0x270
[  425.779592]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  425.785152]  ? __cpuset_node_allowed+0x19b/0x660
[  425.789920]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  425.795664]  ? vmpressure+0x1a2/0x340
[  425.799479]  do_try_to_free_pages+0x3e7/0x1290
[  425.804068]  ? zap_class+0x640/0x640
[  425.807810]  ? shrink_node+0x16b0/0x16b0
[  425.811874]  ? __lock_is_held+0xb5/0x140
[  425.815963]  try_to_free_pages+0x4d0/0xb90
[  425.820210]  ? do_try_to_free_pages+0x1290/0x1290
[  425.825055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.830614]  ? lock_acquire+0x1ed/0x520
[  425.834593]  ? set_page_refcounted+0x280/0x280
[  425.839190]  ? lock_release+0xa00/0xa00
[  425.843188]  ? perf_trace_sched_process_exec+0x860/0x860
[  425.848667]  __alloc_pages_slowpath+0x9c4/0x2d70
[  425.853460]  ? warn_alloc+0x120/0x120
[  425.857272]  ? rcu_softirq_qs+0x20/0x20
[  425.861286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.866831]  ? should_fail+0x22d/0xd01
[  425.870729]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.875838]  ? zap_class+0x640/0x640
[  425.879587]  ? __lock_is_held+0xb5/0x140
[  425.883667]  ? mark_held_locks+0x130/0x130
[  425.887909]  ? lock_release+0xa00/0xa00
[  425.891894]  ? perf_trace_sched_process_exec+0x860/0x860
[  425.897366]  ? __might_sleep+0x95/0x190
[  425.901354]  __alloc_pages_nodemask+0xa80/0xde0
[  425.906039]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  425.911064]  ? __page_cache_alloc+0x191/0x5c0
[  425.915564]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.920495]  ? kasan_check_read+0x11/0x20
[  425.924660]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.929945]  ? zap_class+0x640/0x640
[  425.933687]  ? zap_class+0x640/0x640
[  425.937400]  ? zap_class+0x640/0x640
[  425.941115]  ? __do_page_cache_readahead+0x7ce/0x980
[  425.946233]  ? find_held_lock+0x36/0x1c0
[  425.950310]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  425.955861]  alloc_pages_current+0x173/0x350
[  425.960288]  __page_cache_alloc+0x38c/0x5c0
[  425.964621]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.969556]  ? kasan_check_read+0x11/0x20
[  425.973713]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.979001]  ? generic_perform_write+0x6a0/0x6a0
[  425.983764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.989305]  ? check_preemption_disabled+0x48/0x280
[  425.994340]  filemap_fault+0x1594/0x25f0
[  425.998425]  ? __lock_page_or_retry+0xa00/0xa00
[  426.003108]  ? mark_held_locks+0x130/0x130
[  426.007349]  ? rcu_softirq_qs+0x20/0x20
[  426.011347]  ? filemap_map_pages+0xe04/0x1990
[  426.015860]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.020457]  ? __free_object+0x173/0x340
[  426.024532]  ? debug_object_free+0x36f/0x690
[  426.028957]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  426.033896]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.039011]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  426.043694]  ? queue_work_on+0x12c/0x1e0
[  426.047764]  ? debug_object_free+0x36f/0x690
[  426.052178]  ? kasan_check_read+0x11/0x20
[  426.056332]  ? debug_object_destroy+0x2b0/0x2b0
[  426.061010]  ? lock_pi_update_atomic+0x150/0x150
[  426.065771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.071318]  ? __hrtimer_init+0xdb/0x240
[  426.075397]  ? lock_acquire+0x1ed/0x520
[  426.079380]  ? ext4_filemap_fault+0x7a/0xad
[  426.083714]  ? lock_release+0xa00/0xa00
[  426.087696]  ? perf_trace_sched_process_exec+0x860/0x860
[  426.093154]  ? print_usage_bug+0xc0/0xc0
[  426.097224]  ? print_usage_bug+0xc0/0xc0
[  426.101307]  ? down_read+0x8d/0x120
[  426.104937]  ? ext4_filemap_fault+0x7a/0xad
[  426.109294]  ? __down_interruptible+0x700/0x700
[  426.113988]  ext4_filemap_fault+0x82/0xad
[  426.118141]  __do_fault+0x100/0x6b0
[  426.121778]  ? pmd_devmap_trans_unstable+0x220/0x220
[  426.126893]  ? mark_held_locks+0x130/0x130
[  426.131134]  ? mark_held_locks+0x130/0x130
[  426.135388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.140941]  __handle_mm_fault+0x307c/0x5920
[  426.145365]  ? perf_trace_lock+0x7a0/0x7a0
[  426.149613]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  426.154467]  ? __switch_to_asm+0x34/0x70
[  426.158535]  ? __switch_to_asm+0x34/0x70
[  426.162617]  ? zap_class+0x640/0x640
[  426.166332]  ? zap_class+0x640/0x640
[  426.170054]  ? __x64_sys_futex+0x53e/0x6a0
[  426.174297]  ? find_held_lock+0x36/0x1c0
[  426.178373]  ? handle_mm_fault+0x42a/0xc70
[  426.182615]  ? lock_downgrade+0x900/0x900
[  426.186766]  ? check_preemption_disabled+0x48/0x280
[  426.191797]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.196732]  ? kasan_check_read+0x11/0x20
[  426.200899]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.206225]  ? rcu_softirq_qs+0x20/0x20
[  426.210211]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.215339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.220899]  ? check_preemption_disabled+0x48/0x280
[  426.225956]  handle_mm_fault+0x54f/0xc70
[  426.230033]  ? __handle_mm_fault+0x5920/0x5920
[  426.234640]  ? find_vma+0x34/0x190
[  426.238205]  __do_page_fault+0x5e8/0xe60
[  426.242277]  ? trace_hardirqs_off+0xb8/0x310
[  426.246709]  do_page_fault+0xf2/0x7e0
[  426.250520]  ? vmalloc_sync_all+0x30/0x30
[  426.254676]  ? error_entry+0x70/0xd0
[  426.258401]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.263428]  ? trace_hardirqs_on_caller+0xc0/0x310
[  426.268383]  ? syscall_return_slowpath+0x5e0/0x5e0
[  426.273325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.278175]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.283196]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  426.288661]  ? prepare_exit_to_usermode+0x291/0x3b0
[  426.293689]  ? page_fault+0x8/0x30
[  426.297242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.302103]  ? page_fault+0x8/0x30
[  426.305652]  page_fault+0x1e/0x30
[  426.309110] RIP: 0033:0x45ddf3
[  426.312319] Code: Bad RIP value.
[  426.315684] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  426.321051] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  426.328319] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  426.335590] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  426.342862] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  426.350398] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  426.357699] warn_alloc_show_mem: 1 callbacks suppressed
[  426.357712] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  426.357714] Mem-Info:
[  426.357745] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  426.357745]  active_file:15 inactive_file:12 isolated_file:0
[  426.357745]  unevictable:0 dirty:0 writeback:0 unstable:0
[  426.357745]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  426.357745]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  426.357745]  free:13694 free_pcp:0 free_cma:0
[  426.363097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.370040] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  426.372445] Call Trace:
[  426.405342] Node 0 
[  426.414713]  <IRQ>
[  426.442417] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  426.444983]  dump_stack+0x244/0x39d
[  426.447482] lowmem_reserve[]:
[  426.449637]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.475118]  0 2819
[  426.478786]  warn_alloc.cold.117+0xb7/0x1bd
[  426.481855]  6323
[  426.487047]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.489258]  6323
[  426.493596]  ? lock_downgrade+0x900/0x900
[  426.495640] Node 0 
[  426.500487]  ? trace_hardirqs_off+0xb8/0x310
[  426.502558] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  426.506692]  ? trace_hardirqs_off+0xb8/0x310
[  426.508911] lowmem_reserve[]:
[  426.513328]  __alloc_pages_slowpath+0x2660/0x2d70
[  426.540020]  0 0
[  426.544476]  ? warn_alloc+0x120/0x120
[  426.547643]  3503
[  426.552489]  ? warn_alloc+0x120/0x120
[  426.554445]  3503
[  426.558252]  ? print_usage_bug+0xc0/0xc0
[  426.564101]  ? warn_alloc+0x120/0x120
[  426.566148] Node 0 
[  426.570214]  ? print_usage_bug+0xc0/0xc0
[  426.574021] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  426.576240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.580269] lowmem_reserve[]: 0
[  426.608500]  ? should_fail+0x22d/0xd01
[  426.614023]  0
[  426.617312]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  426.621183]  0
[  426.622992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.628164]  0
[  426.629970]  ? __lock_acquire+0x62f/0x4c20
[  426.635059] Node 0 
[  426.636866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.641074] DMA: 1*4kB 
[  426.643321]  ? should_fail+0x22d/0xd01
[  426.648405] (U) 
[  426.650994]  ? mark_held_locks+0x130/0x130
[  426.654854] 0*8kB 
[  426.656829]  ? mark_held_locks+0x130/0x130
[  426.661045] 0*16kB 
[  426.663194]  ? print_usage_bug+0xc0/0xc0
[  426.667407] 1*32kB 
[  426.669646]  ? find_held_lock+0x36/0x1c0
[  426.673689] (U) 
[  426.675927]  ? zap_class+0x640/0x640
[  426.679972] 2*64kB 
[  426.681949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.685647] (U) 
[  426.687887]  ? check_preemption_disabled+0x48/0x280
[  426.693401] 1*128kB (U) 
[  426.695391]  ? __lock_is_held+0xb5/0x140
[  426.700384] 1*256kB 
[  426.703057]  __alloc_pages_nodemask+0xa80/0xde0
[  426.707096] (U) 
[  426.709416]  ? zap_class+0x640/0x640
[  426.714066] 0*512kB 
[  426.716043]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  426.719730] 1*1024kB (U) 
[  426.722075]  ? find_held_lock+0x36/0x1c0
[  426.727065] 1*2048kB 
[  426.729827]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.733862] (M) 
[  426.736274]  ? lock_downgrade+0x900/0x900
[  426.740927] 3*4096kB 
[  426.742908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.747029] (M) 
[  426.749454]  cache_grow_begin+0xa5/0x8c0
[  426.754971] = 15908kB
[  426.756955]  ? do_raw_spin_unlock+0xa7/0x330
[  426.760998] Node 0 
[  426.763412]  fallback_alloc+0x204/0x2e0
[  426.767798] DMA32: 
[  426.770035]  ____cache_alloc_node+0x1c7/0x1e0
[  426.773990] 2*4kB 
[  426.776227]  kmem_cache_alloc_node+0xe3/0x730
[  426.780702] (M) 
[  426.782850]  ? mark_held_locks+0xc7/0x130
[  426.787328] 3*8kB 
[  426.789309]  __alloc_skb+0x119/0x770
[  426.793437] (UM) 
[  426.795597]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.799288] 3*16kB (UM) 
[  426.801378]  ? do_raw_spin_trylock+0x270/0x270
[  426.805760] 4*32kB 
[  426.808434]  ? kmem_cache_alloc_trace+0x353/0x750
[  426.812995] (UM) 
[  426.815233]  ? queue_work_on+0x12c/0x1e0
[  426.820047] 5*64kB (UM) 
[  426.822122]  ? switchdev_port_obj_del+0xdc/0x440
[  426.826163] 4*128kB (M) 
[  426.828849]  ? switchdev_trans_item_enqueue+0x260/0x260
[  426.833586] 5*256kB 
[  426.836255]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  426.841598] (UM) 
[  426.843927]  __br_mdb_notify+0x4ff/0x15d0
[  426.848923] 5*512kB 
[  426.850989]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.855114] (UM) 
[  426.857443]  ? __br_mdb_add+0x7f0/0x7f0
[  426.862523] 4*1024kB 
[  426.864589]  ? mark_held_locks+0x130/0x130
[  426.868539] (UM) 2*2048kB 
[  426.870970]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.875180] (M) 3*4096kB 
[  426.878041]  ? debug_object_assert_init+0x368/0x4b0
[  426.883123] (M) 
[  426.885876]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.885893]  ? debug_object_init_on_stack+0x20/0x20
[  426.890893] = 25360kB
[  426.892879]  ? zap_class+0x640/0x640
[  426.897962] Node 0 Normal: 
[  426.902989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.905382] 783*4kB 
[  426.909101]  br_mdb_notify+0x310/0x410
[  426.912007] (UMEH) 
[  426.917543]  ? br_mdb_dump+0x27b0/0x27b0
[  426.919850] 379*8kB 
[  426.923747]  br_multicast_del_pg+0x3df/0x790
[  426.925963] (MEH) 
[  426.930040]  ? br_mdb_ip_get+0x940/0x940
[  426.932342] 205*16kB (UMEH) 
[  426.936760]  ? rwlock_bug.part.2+0x90/0x90
[  426.938893] 93*32kB 
[  426.942951]  ? __lock_is_held+0xb5/0x140
[  426.945955] (UMEH) 
[  426.950198]  br_multicast_port_group_expired+0x189/0x1e0
[  426.952493] 24*64kB (UMH) 
[  426.956568]  call_timer_fn+0x272/0x920
[  426.958778] 1*128kB (H) 
[  426.964239]  ? br_multicast_del_pg+0x790/0x790
[  426.967064] 0*256kB 0*512kB 
[  426.970959]  ? process_timeout+0x40/0x40
[  426.973616] 0*1024kB 
[  426.978199]  ? __run_timers+0x7da/0xc70
[  426.981198] 0*2048kB 
[  426.985258]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.987652] 0*4096kB 
[  426.991625]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.994015] = 14084kB
[  426.998506]  ? br_multicast_del_pg+0x790/0x790
[  426.998523]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.000926] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  427.005415]  ? trace_hardirqs_on+0xbd/0x310
[  427.007813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  427.012387]  ? kasan_check_read+0x11/0x20
[  427.016953] 1070 total pagecache pages
[  427.025788]  ? __run_timers+0x7da/0xc70
[  427.030097] 0 pages in swap cache
[  427.038663]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.042798] Swap cache stats: add 0, delete 0, find 0/0
[  427.046679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.050639] Free swap  = 0kB
[  427.054091]  ? br_multicast_del_pg+0x790/0x790
[  427.059176] Total swap = 0kB
[  427.064539]  __run_timers+0x7e5/0xc70
[  427.068753] 1965979 pages RAM
[  427.071780]  ? timer_fixup_init+0x70/0x70
[  427.076337] 0 pages HighMem/MovableOnly
[  427.079354]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  427.083131] 342293 pages reserved
[  427.083140] 0 pages cma reserved
[  427.086249]  ? zap_class+0x640/0x640
[  427.109846]  ? enqueue_hrtimer+0x1a5/0x560
[  427.114088]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  427.119292]  ? find_held_lock+0x36/0x1c0
[  427.123363]  ? zap_class+0x640/0x640
[  427.127084]  ? pvclock_read_flags+0x160/0x160
[  427.131608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.137149]  ? check_preemption_disabled+0x48/0x280
[  427.142177]  ? __lock_is_held+0xb5/0x140
[  427.146249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.151787]  ? check_preemption_disabled+0x48/0x280
[  427.156817]  run_timer_softirq+0x52/0xb0
[  427.160884]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.165908]  __do_softirq+0x308/0xb7e
[  427.169715]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  427.174216]  ? lock_downgrade+0x900/0x900
[  427.178379]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.183499]  ? pvclock_read_flags+0x160/0x160
[  427.188000]  ? lapic_next_event+0x5a/0x90
[  427.192152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.197701]  ? kvm_clock_read+0x18/0x30
[  427.201678]  ? kvm_sched_clock_read+0x9/0x20
[  427.206094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.211661]  ? check_preemption_disabled+0x48/0x280
[  427.216693]  irq_exit+0x17f/0x1c0
[  427.220154]  smp_apic_timer_interrupt+0x1cb/0x760
[  427.225001]  ? smp_reschedule_interrupt+0x109/0x650
[  427.230023]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.235918]  ? interrupt_entry+0xb5/0xc0
[  427.239985]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.245001]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.250022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.254870]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.259889]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.264924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.269781]  apic_timer_interrupt+0xf/0x20
[  427.274016]  </IRQ>
[  427.276263] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  427.281197] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  427.300104] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  427.307844] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  427.315118] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  427.322392] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  427.329673] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  427.336964] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  427.344299]  skb_clone+0x1bb/0x500
[  427.348050]  ? finish_task_switch+0x1b4/0x910
[  427.352556]  ? skb_split+0x11e0/0x11e0
[  427.356461]  ? preempt_notifier_register+0x200/0x200
[  427.361571]  ? __switch_to_asm+0x34/0x70
[  427.365640]  ? __switch_to_asm+0x34/0x70
[  427.369704]  ? __switch_to_asm+0x40/0x70
[  427.373763]  ? __switch_to_asm+0x34/0x70
[  427.377828]  ? __switch_to_asm+0x40/0x70
[  427.381892]  ? __switch_to_asm+0x34/0x70
[  427.385955]  ? __switch_to_asm+0x40/0x70
[  427.390017]  ? __switch_to_asm+0x34/0x70
[  427.394083]  ? __switch_to_asm+0x34/0x70
[  427.398146]  ? __switch_to_asm+0x40/0x70
[  427.402211]  ? __switch_to_asm+0x34/0x70
[  427.406290]  bpf_clone_redirect+0xb9/0x490
[  427.410537]  ? __schedule+0x8d7/0x21d0
[  427.414433]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  427.419468]  ? __sched_text_start+0x8/0x8
[  427.423633]  ? find_held_lock+0x36/0x1c0
[  427.427710]  ? lock_acquire+0x1ed/0x520
[  427.431690]  ? bpf_test_run+0x3cb/0x780
[  427.435668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.441212]  ? check_preemption_disabled+0x48/0x280
[  427.446246]  ? kasan_check_read+0x11/0x20
[  427.450485]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.455768]  ? rcu_softirq_qs+0x20/0x20
[  427.459748]  ? preempt_schedule+0x4d/0x60
[  427.463899]  ? ___preempt_schedule+0x16/0x18
[  427.468322]  ? bpf_test_run+0x25d/0x780
[  427.472335]  ? netlink_diag_dump+0x2a0/0x2a0
[  427.476754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.482785]  ? bpf_test_init.isra.10+0x70/0x100
[  427.487472]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  427.492242]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  427.497089]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  427.502627]  ? fput+0x130/0x1a0
[  427.505916]  ? __bpf_prog_get+0x9b/0x290
[  427.509982]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  427.514828]  ? bpf_prog_test_run+0x130/0x1a0
[  427.519248]  ? __x64_sys_bpf+0x3d8/0x520
[  427.523314]  ? bpf_prog_get+0x20/0x20
[  427.527141]  ? do_syscall_64+0x1b9/0x820
[  427.531218]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  427.536590]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.541526]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.546554]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  427.551599]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  427.558272]  ? __switch_to_asm+0x40/0x70
[  427.562334]  ? __switch_to_asm+0x34/0x70
[  427.566407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.571286]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  427.576824] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.587064] syz-fuzzer cpuset=/ mems_allowed=0
[  427.591689] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  427.598265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.607618] Call Trace:
[  427.610204]  <IRQ>
[  427.612358]  dump_stack+0x244/0x39d
[  427.615999]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.621210]  warn_alloc.cold.117+0xb7/0x1bd
[  427.625539]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.630390]  ? lock_downgrade+0x900/0x900
[  427.634580]  ? trace_hardirqs_off+0xb8/0x310
[  427.639003]  ? trace_hardirqs_off+0xb8/0x310
[  427.643424]  __alloc_pages_slowpath+0x2660/0x2d70
[  427.648322]  ? warn_alloc+0x120/0x120
[  427.652135]  ? warn_alloc+0x120/0x120
[  427.655946]  ? print_usage_bug+0xc0/0xc0
[  427.660018]  ? warn_alloc+0x120/0x120
[  427.663823]  ? print_usage_bug+0xc0/0xc0
[  427.667920]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  427.673121]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.678663]  ? should_fail+0x22d/0xd01
[  427.682561]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.687668]  ? __lock_acquire+0x62f/0x4c20
[  427.691931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.697047]  ? should_fail+0x22d/0xd01
[  427.700938]  ? clockevents_program_event+0x158/0x370
[  427.706064]  ? mark_held_locks+0x130/0x130
[  427.710306]  ? mark_held_locks+0x130/0x130
[  427.714541]  ? print_usage_bug+0xc0/0xc0
[  427.718613]  ? find_held_lock+0x36/0x1c0
[  427.722700]  ? zap_class+0x640/0x640
[  427.726429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.731974]  ? check_preemption_disabled+0x48/0x280
[  427.737005]  ? __lock_is_held+0xb5/0x140
[  427.741101]  __alloc_pages_nodemask+0xa80/0xde0
[  427.745948]  ? zap_class+0x640/0x640
[  427.749682]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  427.754716]  ? find_held_lock+0x36/0x1c0
[  427.758792]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.763468]  ? lock_downgrade+0x900/0x900
[  427.767654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.773205]  cache_grow_begin+0xa5/0x8c0
[  427.777270]  ? do_raw_spin_unlock+0xa7/0x330
[  427.781713]  fallback_alloc+0x204/0x2e0
[  427.785699]  ____cache_alloc_node+0x1c7/0x1e0
[  427.790203]  kmem_cache_alloc_node+0xe3/0x730
[  427.794705]  ? mark_held_locks+0xc7/0x130
[  427.798869]  __alloc_skb+0x119/0x770
[  427.802596]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.807191]  ? do_raw_spin_trylock+0x270/0x270
[  427.811825]  ? kmem_cache_alloc_trace+0x353/0x750
[  427.816694]  ? queue_work_on+0x12c/0x1e0
[  427.820767]  ? switchdev_port_obj_del+0xdc/0x440
[  427.825532]  ? switchdev_trans_item_enqueue+0x260/0x260
[  427.830905]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  427.835933]  __br_mdb_notify+0x4ff/0x15d0
[  427.840095]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.845214]  ? __br_mdb_add+0x7f0/0x7f0
[  427.849202]  ? mark_held_locks+0x130/0x130
[  427.853449]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.858584]  ? debug_object_assert_init+0x368/0x4b0
[  427.863606]  ? debug_object_init_on_stack+0x20/0x20
[  427.868710]  ? zap_class+0x640/0x640
[  427.872431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.877986]  br_mdb_notify+0x310/0x410
[  427.881904]  ? br_mdb_dump+0x27b0/0x27b0
[  427.885994]  br_multicast_del_pg+0x3df/0x790
[  427.890416]  ? br_mdb_ip_get+0x940/0x940
[  427.894483]  ? rwlock_bug.part.2+0x90/0x90
[  427.898748]  ? __lock_is_held+0xb5/0x140
[  427.902824]  br_multicast_port_group_expired+0x189/0x1e0
[  427.908290]  call_timer_fn+0x272/0x920
[  427.912202]  ? br_multicast_del_pg+0x790/0x790
[  427.916789]  ? process_timeout+0x40/0x40
[  427.920864]  ? mark_held_locks+0xc7/0x130
[  427.925041]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.929563]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.934062]  ? br_multicast_del_pg+0x790/0x790
[  427.938651]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.943257]  ? trace_hardirqs_on+0xbd/0x310
[  427.947586]  ? kasan_check_read+0x11/0x20
[  427.951742]  ? __run_timers+0x7da/0xc70
[  427.955725]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.960837]  ? br_multicast_del_pg+0x790/0x790
[  427.965429]  ? br_multicast_del_pg+0x790/0x790
[  427.970025]  __run_timers+0x7e5/0xc70
[  427.973848]  ? timer_fixup_init+0x70/0x70
[  427.978004]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  427.983028]  ? zap_class+0x640/0x640
[  427.986753]  ? print_usage_bug+0xc0/0xc0
[  427.990824]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  427.996028]  ? find_held_lock+0x36/0x1c0
[  428.000101]  ? zap_class+0x640/0x640
[  428.003825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.009540]  ? check_preemption_disabled+0x48/0x280
[  428.014596]  ? __lock_is_held+0xb5/0x140
[  428.018663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.024204]  ? check_preemption_disabled+0x48/0x280
[  428.029236]  run_timer_softirq+0x52/0xb0
[  428.033306]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.038338]  __do_softirq+0x308/0xb7e
[  428.042151]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.046662]  ? lock_downgrade+0x900/0x900
[  428.050841]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.055964]  ? pvclock_read_flags+0x160/0x160
[  428.060489]  ? lapic_next_event+0x5a/0x90
[  428.064652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.070217]  ? kvm_clock_read+0x18/0x30
[  428.074195]  ? kvm_sched_clock_read+0x9/0x20
[  428.078633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.084183]  ? check_preemption_disabled+0x48/0x280
[  428.089244]  irq_exit+0x17f/0x1c0
[  428.092744]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.097600]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.103492]  ? interrupt_entry+0xb5/0xc0
[  428.107561]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.112582]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.117603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.122451]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.127479]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.132505]  ? task_prio+0x50/0x50
[  428.136053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.141597]  ? check_preemption_disabled+0x48/0x280
[  428.146629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.151793]  apic_timer_interrupt+0xf/0x20
[  428.156029]  </IRQ>
[  428.158296] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  428.163413] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  428.182321] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  428.190041] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  428.197337] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  428.204786] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  428.212055] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  428.219330] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  428.226641]  shrink_active_list+0x67b/0x1c20
[  428.231057]  ? free_unref_page_list+0xd1b/0x11e0
[  428.235846]  ? shrink_inactive_list+0xa4a/0x1c60
[  428.240609]  ? zap_class+0x60f/0x640
[  428.244349]  ? shrink_inactive_list+0x1c60/0x1c60
[  428.249204]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.253733]  ? find_held_lock+0x36/0x1c0
[  428.257824]  ? __page_frag_cache_drain+0x200/0x200
[  428.262778]  ? print_usage_bug+0xc0/0xc0
[  428.266870]  ? find_held_lock+0x36/0x1c0
[  428.270947]  ? zap_class+0x640/0x640
[  428.274698]  ? mark_held_locks+0xc7/0x130
[  428.278854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.284423]  ? check_preemption_disabled+0x48/0x280
[  428.289451]  ? zap_class+0x640/0x640
[  428.293201]  ? __lock_is_held+0xb5/0x140
[  428.297272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.302816]  ? check_preemption_disabled+0x48/0x280
[  428.307847]  ? __lock_is_held+0xb5/0x140
[  428.311926]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.317001]  ? inactive_list_is_low+0x305/0x880
[  428.321684]  ? lruvec_lru_size+0x450/0x450
[  428.325926]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.330866]  ? rcu_softirq_qs+0x20/0x20
[  428.334852]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  428.339800]  shrink_node_memcg+0x803/0x18f0
[  428.344174]  ? shrink_active_list+0x1c20/0x1c20
[  428.348859]  ? lock_downgrade+0x900/0x900
[  428.353017]  ? check_flush_dependency+0x410/0x410
[  428.357873]  ? kasan_check_read+0x11/0x20
[  428.362036]  ? ___preempt_schedule+0x16/0x18
[  428.366456]  ? _raw_spin_unlock+0x3f/0x50
[  428.370610]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  428.375829]  shrink_node+0x3bc/0x16b0
[  428.379641]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  428.384967]  ? shrink_node_memcg+0x18f0/0x18f0
[  428.389558]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.394148]  ? trace_hardirqs_on+0xbd/0x310
[  428.398481]  ? vmpressure+0x271/0x340
[  428.402295]  ? do_raw_spin_trylock+0x270/0x270
[  428.406888]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  428.412430]  ? __cpuset_node_allowed+0x19b/0x660
[  428.417200]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  428.422915]  ? vmpressure+0x1a2/0x340
[  428.426733]  do_try_to_free_pages+0x3e7/0x1290
[  428.431339]  ? zap_class+0x640/0x640
[  428.435077]  ? shrink_node+0x16b0/0x16b0
[  428.439173]  ? __lock_is_held+0xb5/0x140
[  428.443254]  try_to_free_pages+0x4d0/0xb90
[  428.447499]  ? do_try_to_free_pages+0x1290/0x1290
[  428.452345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.457900]  ? lock_acquire+0x1ed/0x520
[  428.461924]  ? set_page_refcounted+0x280/0x280
[  428.466525]  ? lock_release+0xa00/0xa00
[  428.470517]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.475990]  __alloc_pages_slowpath+0x9c4/0x2d70
[  428.480785]  ? warn_alloc+0x120/0x120
[  428.484614]  ? rcu_softirq_qs+0x20/0x20
[  428.488625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.494178]  ? should_fail+0x22d/0xd01
[  428.498079]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.503193]  ? zap_class+0x640/0x640
[  428.506939]  ? __lock_is_held+0xb5/0x140
[  428.511015]  ? mark_held_locks+0x130/0x130
[  428.515282]  ? lock_release+0xa00/0xa00
[  428.519286]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.524752]  ? __might_sleep+0x95/0x190
[  428.528737]  __alloc_pages_nodemask+0xa80/0xde0
[  428.533419]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  428.538465]  ? __page_cache_alloc+0x191/0x5c0
[  428.542973]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.547907]  ? kasan_check_read+0x11/0x20
[  428.552091]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.557374]  ? zap_class+0x640/0x640
[  428.561101]  ? zap_class+0x640/0x640
[  428.564841]  ? zap_class+0x640/0x640
[  428.568562]  ? __do_page_cache_readahead+0x7ce/0x980
[  428.573698]  ? find_held_lock+0x36/0x1c0
[  428.577783]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  428.583329]  alloc_pages_current+0x173/0x350
[  428.588209]  __page_cache_alloc+0x38c/0x5c0
[  428.592556]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.597490]  ? kasan_check_read+0x11/0x20
[  428.601651]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.606942]  ? generic_perform_write+0x6a0/0x6a0
[  428.611708]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.617249]  ? check_preemption_disabled+0x48/0x280
[  428.622298]  filemap_fault+0x1594/0x25f0
[  428.626378]  ? __lock_page_or_retry+0xa00/0xa00
[  428.631052]  ? mark_held_locks+0x130/0x130
[  428.635297]  ? rcu_softirq_qs+0x20/0x20
[  428.639299]  ? filemap_map_pages+0xe04/0x1990
[  428.643829]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.648422]  ? __free_object+0x173/0x340
[  428.652503]  ? debug_object_free+0x36f/0x690
[  428.656919]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  428.661859]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.666978]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  428.671685]  ? queue_work_on+0x12c/0x1e0
[  428.675756]  ? debug_object_free+0x36f/0x690
[  428.680198]  ? kasan_check_read+0x11/0x20
[  428.684355]  ? debug_object_destroy+0x2b0/0x2b0
[  428.689030]  ? lock_pi_update_atomic+0x150/0x150
[  428.693813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.699357]  ? __hrtimer_init+0xdb/0x240
[  428.703445]  ? lock_acquire+0x1ed/0x520
[  428.707427]  ? ext4_filemap_fault+0x7a/0xad
[  428.711757]  ? lock_release+0xa00/0xa00
[  428.715738]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.721198]  ? print_usage_bug+0xc0/0xc0
[  428.725265]  ? print_usage_bug+0xc0/0xc0
[  428.729344]  ? down_read+0x8d/0x120
[  428.733016]  ? ext4_filemap_fault+0x7a/0xad
[  428.737342]  ? __down_interruptible+0x700/0x700
[  428.742027]  ext4_filemap_fault+0x82/0xad
[  428.746218]  __do_fault+0x100/0x6b0
[  428.749880]  ? pmd_devmap_trans_unstable+0x220/0x220
[  428.754989]  ? mark_held_locks+0x130/0x130
[  428.759231]  ? mark_held_locks+0x130/0x130
[  428.763502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.769054]  __handle_mm_fault+0x307c/0x5920
[  428.773488]  ? perf_trace_lock+0x7a0/0x7a0
[  428.777763]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  428.782624]  ? __switch_to_asm+0x34/0x70
[  428.786689]  ? __switch_to_asm+0x34/0x70
[  428.790791]  ? zap_class+0x640/0x640
[  428.794511]  ? zap_class+0x640/0x640
[  428.798234]  ? __x64_sys_futex+0x53e/0x6a0
[  428.802803]  ? find_held_lock+0x36/0x1c0
[  428.806881]  ? handle_mm_fault+0x42a/0xc70
[  428.811119]  ? lock_downgrade+0x900/0x900
[  428.815272]  ? check_preemption_disabled+0x48/0x280
[  428.820298]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.825245]  ? kasan_check_read+0x11/0x20
[  428.829399]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.834680]  ? rcu_softirq_qs+0x20/0x20
[  428.838662]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.843774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.849316]  ? check_preemption_disabled+0x48/0x280
[  428.854345]  handle_mm_fault+0x54f/0xc70
[  428.858414]  ? __handle_mm_fault+0x5920/0x5920
[  428.863053]  ? find_vma+0x34/0x190
[  428.866612]  __do_page_fault+0x5e8/0xe60
[  428.870679]  ? trace_hardirqs_off+0xb8/0x310
[  428.875134]  do_page_fault+0xf2/0x7e0
[  428.878963]  ? vmalloc_sync_all+0x30/0x30
[  428.883120]  ? error_entry+0x70/0xd0
[  428.886866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.891888]  ? trace_hardirqs_on_caller+0xc0/0x310
[  428.896826]  ? syscall_return_slowpath+0x5e0/0x5e0
[  428.901762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.906626]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.911647]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  428.917115]  ? prepare_exit_to_usermode+0x291/0x3b0
[  428.922151]  ? page_fault+0x8/0x30
[  428.925720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.930579]  ? page_fault+0x8/0x30
[  428.934125]  page_fault+0x1e/0x30
[  428.937588] RIP: 0033:0x45ddf3
[  428.940797] Code: Bad RIP value.
[  428.944169] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  428.949541] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  428.956820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  428.964098] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  428.971375] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  428.978668] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  428.986005] warn_alloc_show_mem: 1 callbacks suppressed
[  428.986010] Mem-Info:
[  428.993806] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  428.993806]  active_file:15 inactive_file:12 isolated_file:0
[  428.993806]  unevictable:0 dirty:0 writeback:0 unstable:0
[  428.993806]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  428.993806]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  428.993806]  free:13694 free_pcp:0 free_cma:0
[  429.026742] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  429.054422] 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
[  429.080665] lowmem_reserve[]: 0 2819 6323 6323
[  429.085279] Node 0 DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  429.112648] lowmem_reserve[]: 0 0 3503 3503
[  429.117006] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  429.145760] lowmem_reserve[]: 0 0 0 0
[  429.149619] 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
[  429.163301] Node 0 DMA32: 2*4kB (M) 3*8kB (UM) 3*16kB (UM) 4*32kB (UM) 5*64kB (UM) 4*128kB (M) 5*256kB (UM) 5*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 3*4096kB (M) = 25360kB
[  429.178819] Node 0 Normal: 783*4kB (UMEH) 379*8kB (MEH) 205*16kB (UMEH) 93*32kB (UMEH) 24*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14084kB
[  429.193913] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  429.202779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.211364] 1070 total pagecache pages
[  429.215264] 0 pages in swap cache
[  429.218719] Swap cache stats: add 0, delete 0, find 0/0
[  429.224078] Free swap  = 0kB
[  429.227092] Total swap = 0kB
[  429.230109] 1965979 pages RAM
[  429.233211] 0 pages HighMem/MovableOnly
[  429.237187] 342293 pages reserved
[  429.240663] 0 pages cma reserved
[  429.244179] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.254696] syz-executor1 cpuset=syz1 mems_allowed=0
[  429.259842] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  429.266777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.276160] Call Trace:
[  429.278755]  <IRQ>
[  429.280921]  dump_stack+0x244/0x39d
[  429.284570]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.289829]  warn_alloc.cold.117+0xb7/0x1bd
[  429.294165]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.299021]  ? lock_downgrade+0x900/0x900
[  429.303185]  ? trace_hardirqs_off+0xb8/0x310
[  429.307605]  ? trace_hardirqs_off+0xb8/0x310
[  429.312038]  __alloc_pages_slowpath+0x2660/0x2d70
[  429.316924]  ? warn_alloc+0x120/0x120
[  429.320754]  ? warn_alloc+0x120/0x120
[  429.324578]  ? print_usage_bug+0xc0/0xc0
[  429.328656]  ? warn_alloc+0x120/0x120
[  429.332477]  ? print_usage_bug+0xc0/0xc0
[  429.336558]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.341771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.347315]  ? should_fail+0x22d/0xd01
[  429.351204]  ? find_held_lock+0x36/0x1c0
[  429.355276]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.360388]  ? __lock_acquire+0x62f/0x4c20
[  429.364633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.369745]  ? should_fail+0x22d/0xd01
[  429.373652]  ? mark_held_locks+0x130/0x130
[  429.377898]  ? mark_held_locks+0x130/0x130
[  429.382134]  ? print_usage_bug+0xc0/0xc0
[  429.386212]  ? find_held_lock+0x36/0x1c0
[  429.390280]  ? zap_class+0x640/0x640
[  429.394008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.399550]  ? check_preemption_disabled+0x48/0x280
[  429.404579]  ? __lock_is_held+0xb5/0x140
[  429.408670]  __alloc_pages_nodemask+0xa80/0xde0
[  429.413342]  ? zap_class+0x640/0x640
[  429.417065]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  429.422098]  ? find_held_lock+0x36/0x1c0
[  429.426174]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.430849]  ? lock_downgrade+0x900/0x900
[  429.435010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.440556]  cache_grow_begin+0xa5/0x8c0
[  429.444651]  ? do_raw_spin_unlock+0xa7/0x330
[  429.449071]  fallback_alloc+0x204/0x2e0
[  429.453083]  ____cache_alloc_node+0x1c7/0x1e0
[  429.457588]  kmem_cache_alloc_node+0xe3/0x730
[  429.462087]  ? mark_held_locks+0xc7/0x130
[  429.466275]  __alloc_skb+0x119/0x770
[  429.470000]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.474422]  ? do_raw_spin_trylock+0x270/0x270
[  429.479017]  ? kmem_cache_alloc_trace+0x353/0x750
[  429.484358]  ? queue_work_on+0x12c/0x1e0
[  429.488432]  ? switchdev_port_obj_del+0xdc/0x440
[  429.493203]  ? switchdev_trans_item_enqueue+0x260/0x260
[  429.498577]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  429.503603]  __br_mdb_notify+0x4ff/0x15d0
[  429.507760]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.512886]  ? __br_mdb_add+0x7f0/0x7f0
[  429.516874]  ? mark_held_locks+0x130/0x130
[  429.521121]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.526238]  ? debug_object_assert_init+0x368/0x4b0
[  429.531267]  ? debug_object_init_on_stack+0x20/0x20
[  429.536284]  ? zap_class+0x640/0x640
[  429.540009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.545566]  br_mdb_notify+0x310/0x410
[  429.549638]  ? br_mdb_dump+0x27b0/0x27b0
[  429.553723]  br_multicast_del_pg+0x3df/0x790
[  429.558150]  ? br_mdb_ip_get+0x940/0x940
[  429.562230]  ? rwlock_bug.part.2+0x90/0x90
[  429.566479]  ? __lock_is_held+0xb5/0x140
[  429.570558]  br_multicast_port_group_expired+0x189/0x1e0
[  429.576027]  call_timer_fn+0x272/0x920
[  429.579924]  ? br_multicast_del_pg+0x790/0x790
[  429.584514]  ? process_timeout+0x40/0x40
[  429.588590]  ? __run_timers+0x7da/0xc70
[  429.592577]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.597078]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.601580]  ? br_multicast_del_pg+0x790/0x790
[  429.606197]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.610788]  ? trace_hardirqs_on+0xbd/0x310
[  429.615112]  ? kasan_check_read+0x11/0x20
[  429.619268]  ? __run_timers+0x7da/0xc70
[  429.623251]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.628372]  ? br_multicast_del_pg+0x790/0x790
[  429.632962]  ? br_multicast_del_pg+0x790/0x790
[  429.637552]  __run_timers+0x7e5/0xc70
[  429.641369]  ? timer_fixup_init+0x70/0x70
[  429.645523]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.650807]  ? zap_class+0x640/0x640
[  429.654535]  ? enqueue_hrtimer+0x1a5/0x560
[  429.658776]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.663977]  ? find_held_lock+0x36/0x1c0
[  429.668051]  ? zap_class+0x640/0x640
[  429.671774]  ? pvclock_read_flags+0x160/0x160
[  429.676274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.681816]  ? check_preemption_disabled+0x48/0x280
[  429.686844]  ? __lock_is_held+0xb5/0x140
[  429.690909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.696449]  ? check_preemption_disabled+0x48/0x280
[  429.701490]  run_timer_softirq+0x52/0xb0
[  429.705558]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.710584]  __do_softirq+0x308/0xb7e
[  429.714391]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  429.718898]  ? lock_downgrade+0x900/0x900
[  429.723063]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.728190]  ? pvclock_read_flags+0x160/0x160
[  429.732695]  ? lapic_next_event+0x5a/0x90
[  429.736935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.742489]  ? kvm_clock_read+0x18/0x30
[  429.746475]  ? kvm_sched_clock_read+0x9/0x20
[  429.750893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.756437]  ? check_preemption_disabled+0x48/0x280
[  429.761478]  irq_exit+0x17f/0x1c0
[  429.764942]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.769792]  ? smp_reschedule_interrupt+0x109/0x650
[  429.774824]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.780744]  ? interrupt_entry+0xb5/0xc0
[  429.784821]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.789846]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.794877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.799740]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.804775]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.809824]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.814691]  apic_timer_interrupt+0xf/0x20
[  429.818930]  </IRQ>
[  429.821185] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  429.826128] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  429.845307] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  429.853055] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  429.860340] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  429.867626] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  429.874926] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  429.882221] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  429.889592]  skb_clone+0x1bb/0x500
[  429.893150]  ? finish_task_switch+0x1b4/0x910
[  429.897672]  ? skb_split+0x11e0/0x11e0
[  429.901571]  ? preempt_notifier_register+0x200/0x200
[  429.906701]  ? __switch_to_asm+0x34/0x70
[  429.910772]  ? __switch_to_asm+0x34/0x70
[  429.914838]  ? __switch_to_asm+0x40/0x70
[  429.918915]  ? __switch_to_asm+0x34/0x70
[  429.922984]  ? __switch_to_asm+0x40/0x70
[  429.927048]  ? __switch_to_asm+0x34/0x70
[  429.931111]  ? __switch_to_asm+0x40/0x70
[  429.935189]  ? __switch_to_asm+0x34/0x70
[  429.939260]  ? __switch_to_asm+0x34/0x70
[  429.943324]  ? __switch_to_asm+0x40/0x70
[  429.947395]  ? __switch_to_asm+0x34/0x70
[  429.951477]  bpf_clone_redirect+0xb9/0x490
[  429.955723]  ? __schedule+0x8d7/0x21d0
[  429.959623]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  429.964656]  ? __sched_text_start+0x8/0x8
[  429.968826]  ? find_held_lock+0x36/0x1c0
[  429.972905]  ? lock_acquire+0x1ed/0x520
[  429.976890]  ? bpf_test_run+0x3cb/0x780
[  429.980873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.986416]  ? check_preemption_disabled+0x48/0x280
[  429.991459]  ? kasan_check_read+0x11/0x20
[  429.995621]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.000911]  ? rcu_softirq_qs+0x20/0x20
[  430.004901]  ? preempt_schedule+0x4d/0x60
[  430.009082]  ? ___preempt_schedule+0x16/0x18
[  430.013506]  ? bpf_test_run+0x25d/0x780
[  430.017505]  ? netlink_diag_dump+0x2a0/0x2a0
[  430.021932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.027488]  ? bpf_test_init.isra.10+0x70/0x100
[  430.032181]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  430.036977]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.041824]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.047368]  ? fput+0x130/0x1a0
[  430.050657]  ? __bpf_prog_get+0x9b/0x290
[  430.054729]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.059599]  ? bpf_prog_test_run+0x130/0x1a0
[  430.064042]  ? __x64_sys_bpf+0x3d8/0x520
[  430.068111]  ? bpf_prog_get+0x20/0x20
[  430.071940]  ? do_syscall_64+0x1b9/0x820
[  430.076009]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  430.081380]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.086319]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.091346]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  430.096370]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  430.103404]  ? __switch_to_asm+0x40/0x70
[  430.107474]  ? __switch_to_asm+0x34/0x70
[  430.111548]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.116407]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  430.121927] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.121981] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.132425] syz-executor1 cpuset=
[  430.142652] syz-fuzzer cpuset=
[  430.142664] syz1 mems_allowed=0
[  430.149298] / mems_allowed=0
[  430.152589] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  430.162517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.171874] Call Trace:
[  430.174463]  <IRQ>
[  430.176626]  dump_stack+0x244/0x39d
[  430.180265]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.185484]  warn_alloc.cold.117+0xb7/0x1bd
[  430.189813]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.194663]  ? lock_downgrade+0x900/0x900
[  430.198827]  ? trace_hardirqs_off+0xb8/0x310
[  430.203247]  ? trace_hardirqs_off+0xb8/0x310
[  430.207668]  __alloc_pages_slowpath+0x2660/0x2d70
[  430.212551]  ? warn_alloc+0x120/0x120
[  430.216365]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.221392]  ? warn_alloc+0x120/0x120
[  430.225201]  ? print_usage_bug+0xc0/0xc0
[  430.229271]  ? warn_alloc+0x120/0x120
[  430.233103]  ? print_usage_bug+0xc0/0xc0
[  430.237180]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.242402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.247961]  ? should_fail+0x22d/0xd01
[  430.251866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.256988]  ? __lock_acquire+0x62f/0x4c20
[  430.261250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.266377]  ? should_fail+0x22d/0xd01
[  430.270294]  ? mark_held_locks+0x130/0x130
[  430.274542]  ? mark_held_locks+0x130/0x130
[  430.278784]  ? print_usage_bug+0xc0/0xc0
[  430.282864]  ? find_held_lock+0x36/0x1c0
[  430.286934]  ? zap_class+0x640/0x640
[  430.290659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.296211]  ? check_preemption_disabled+0x48/0x280
[  430.301256]  ? __lock_is_held+0xb5/0x140
[  430.305331]  __alloc_pages_nodemask+0xa80/0xde0
[  430.310011]  ? zap_class+0x640/0x640
[  430.313740]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  430.318778]  ? find_held_lock+0x36/0x1c0
[  430.322860]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.327540]  ? lock_downgrade+0x900/0x900
[  430.331709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.337269]  cache_grow_begin+0xa5/0x8c0
[  430.341337]  ? do_raw_spin_unlock+0xa7/0x330
[  430.345759]  fallback_alloc+0x204/0x2e0
[  430.349747]  ____cache_alloc_node+0x1c7/0x1e0
[  430.354258]  kmem_cache_alloc_node+0xe3/0x730
[  430.358763]  ? mark_held_locks+0xc7/0x130
[  430.362935]  __alloc_skb+0x119/0x770
[  430.366663]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.371085]  ? do_raw_spin_trylock+0x270/0x270
[  430.375699]  ? kmem_cache_alloc_trace+0x353/0x750
[  430.380564]  ? queue_work_on+0x12c/0x1e0
[  430.384643]  ? switchdev_port_obj_del+0xdc/0x440
[  430.389403]  ? switchdev_trans_item_enqueue+0x260/0x260
[  430.394778]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  430.399804]  __br_mdb_notify+0x4ff/0x15d0
[  430.403956]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.409093]  ? __br_mdb_add+0x7f0/0x7f0
[  430.413079]  ? mark_held_locks+0x130/0x130
[  430.417329]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.422441]  ? debug_object_assert_init+0x368/0x4b0
[  430.427479]  ? debug_object_init_on_stack+0x20/0x20
[  430.432506]  ? zap_class+0x640/0x640
[  430.436239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.441803]  br_mdb_notify+0x310/0x410
[  430.445730]  ? br_mdb_dump+0x27b0/0x27b0
[  430.449812]  br_multicast_del_pg+0x3df/0x790
[  430.454230]  ? br_mdb_ip_get+0x940/0x940
[  430.458305]  ? rwlock_bug.part.2+0x90/0x90
[  430.462553]  ? __lock_is_held+0xb5/0x140
[  430.466628]  br_multicast_port_group_expired+0x189/0x1e0
[  430.472091]  call_timer_fn+0x272/0x920
[  430.475997]  ? br_multicast_del_pg+0x790/0x790
[  430.480594]  ? process_timeout+0x40/0x40
[  430.484675]  ? __run_timers+0x7da/0xc70
[  430.488662]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.493176]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.497703]  ? br_multicast_del_pg+0x790/0x790
[  430.502291]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.506877]  ? trace_hardirqs_on+0xbd/0x310
[  430.511205]  ? kasan_check_read+0x11/0x20
[  430.515357]  ? __run_timers+0x7da/0xc70
[  430.519336]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.524458]  ? br_multicast_del_pg+0x790/0x790
[  430.529055]  ? br_multicast_del_pg+0x790/0x790
[  430.533640]  __run_timers+0x7e5/0xc70
[  430.537474]  ? timer_fixup_init+0x70/0x70
[  430.541632]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.546657]  ? zap_class+0x640/0x640
[  430.550383]  ? enqueue_hrtimer+0x1a5/0x560
[  430.554629]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.559830]  ? find_held_lock+0x36/0x1c0
[  430.563898]  ? zap_class+0x640/0x640
[  430.567622]  ? pvclock_read_flags+0x160/0x160
[  430.572128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.577679]  ? check_preemption_disabled+0x48/0x280
[  430.582710]  ? __lock_is_held+0xb5/0x140
[  430.586778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.592462]  ? check_preemption_disabled+0x48/0x280
[  430.597498]  run_timer_softirq+0x52/0xb0
[  430.601561]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.606587]  __do_softirq+0x308/0xb7e
[  430.610398]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  430.614894]  ? lock_downgrade+0x900/0x900
[  430.619051]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.624189]  ? pvclock_read_flags+0x160/0x160
[  430.628693]  ? lapic_next_event+0x5a/0x90
[  430.632844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.638393]  ? kvm_clock_read+0x18/0x30
[  430.642374]  ? kvm_sched_clock_read+0x9/0x20
[  430.646789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.652332]  ? check_preemption_disabled+0x48/0x280
[  430.657368]  irq_exit+0x17f/0x1c0
[  430.660827]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.665671]  ? smp_reschedule_interrupt+0x109/0x650
[  430.670697]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.676585]  ? interrupt_entry+0xb5/0xc0
[  430.680651]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.685670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.690697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.695547]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.700567]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.705606]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.710474]  apic_timer_interrupt+0xf/0x20
[  430.714707]  </IRQ>
[  430.716949] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  430.721906] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  430.740828] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  430.748542] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  430.755816] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  430.763087] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  430.770358] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  430.777628] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  430.784945]  skb_clone+0x1bb/0x500
[  430.788489]  ? finish_task_switch+0x1b4/0x910
[  430.792993]  ? skb_split+0x11e0/0x11e0
[  430.796887]  ? preempt_notifier_register+0x200/0x200
[  430.801994]  ? __switch_to_asm+0x34/0x70
[  430.806062]  ? __switch_to_asm+0x34/0x70
[  430.810129]  ? __switch_to_asm+0x40/0x70
[  430.814193]  ? __switch_to_asm+0x34/0x70
[  430.818255]  ? __switch_to_asm+0x40/0x70
[  430.822318]  ? __switch_to_asm+0x34/0x70
[  430.826380]  ? __switch_to_asm+0x40/0x70
[  430.830442]  ? __switch_to_asm+0x34/0x70
[  430.834522]  ? __switch_to_asm+0x34/0x70
[  430.838585]  ? __switch_to_asm+0x40/0x70
[  430.842648]  ? __switch_to_asm+0x34/0x70
[  430.846721]  bpf_clone_redirect+0xb9/0x490
[  430.850968]  ? __schedule+0x8d7/0x21d0
[  430.854870]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  430.859900]  ? __sched_text_start+0x8/0x8
[  430.864069]  ? find_held_lock+0x36/0x1c0
[  430.868144]  ? lock_acquire+0x1ed/0x520
[  430.872121]  ? bpf_test_run+0x3cb/0x780
[  430.876099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.881643]  ? check_preemption_disabled+0x48/0x280
[  430.886673]  ? kasan_check_read+0x11/0x20
[  430.890828]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.896110]  ? rcu_softirq_qs+0x20/0x20
[  430.900098]  ? preempt_schedule+0x4d/0x60
[  430.904256]  ? ___preempt_schedule+0x16/0x18
[  430.908680]  ? bpf_test_run+0x25d/0x780
[  430.912669]  ? netlink_diag_dump+0x2a0/0x2a0
[  430.917085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.922624]  ? bpf_test_init.isra.10+0x70/0x100
[  430.927310]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  430.932082]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.936927]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.942471]  ? fput+0x130/0x1a0
[  430.945758]  ? __bpf_prog_get+0x9b/0x290
[  430.949829]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.954683]  ? bpf_prog_test_run+0x130/0x1a0
[  430.959103]  ? __x64_sys_bpf+0x3d8/0x520
[  430.963169]  ? bpf_prog_get+0x20/0x20
[  430.967002]  ? do_syscall_64+0x1b9/0x820
[  430.971072]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  430.976441]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.981386]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.986413]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  430.991432]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  430.998109]  ? __switch_to_asm+0x40/0x70
[  431.002171]  ? __switch_to_asm+0x34/0x70
[  431.006242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.011102]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  431.016491] warn_alloc_show_mem: 1 callbacks suppressed
[  431.016503] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  431.016506] Mem-Info:
[  431.016536] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  431.016536]  active_file:15 inactive_file:12 isolated_file:0
[  431.016536]  unevictable:0 dirty:0 writeback:0 unstable:0
[  431.016536]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  431.016536]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  431.016536]  free:13694 free_pcp:0 free_cma:0
[  431.021878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.021894] Call Trace:
[  431.028500] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  431.030904]  <IRQ>
[  431.063786] Node 0 
[  431.073173]  dump_stack+0x244/0x39d
[  431.075763] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  431.103428]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.105649] lowmem_reserve[]:
[  431.107899]  warn_alloc.cold.117+0xb7/0x1bd
[  431.111501]  0
[  431.137012]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.142183]  2819
[  431.145290]  ? lock_downgrade+0x900/0x900
[  431.149592]  6323
[  431.151400]  ? trace_hardirqs_off+0xb8/0x310
[  431.156223]  6323
[  431.158290]  ? trace_hardirqs_off+0xb8/0x310
[  431.164482]  __alloc_pages_slowpath+0x2660/0x2d70
[  431.168870] Node 0 
[  431.170972]  ? warn_alloc+0x120/0x120
[  431.175352] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  431.180182]  ? warn_alloc+0x120/0x120
[  431.182389] lowmem_reserve[]:
[  431.186200]  ? print_usage_bug+0xc0/0xc0
[  431.212907]  0
[  431.216732]  ? warn_alloc+0x120/0x120
[  431.219818]  0
[  431.223883]  ? print_usage_bug+0xc0/0xc0
[  431.225670]  3503
[  431.229479]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  431.231262]  3503
[  431.235322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.242559]  ? should_fail+0x22d/0xd01
[  431.244602] Node 0 
[  431.250142]  ? kasan_check_write+0x14/0x20
[  431.254033] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  431.256246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.260461] lowmem_reserve[]: 0
[  431.288609]  ? __lock_acquire+0x62f/0x4c20
[  431.293695]  0
[  431.296981]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.301196]  0
[  431.302998]  ? should_fail+0x22d/0xd01
[  431.308076]  0
[  431.309890]  ? clockevents_program_event+0x158/0x370
[  431.313756] Node 0 
[  431.315569]  ? mark_held_locks+0x130/0x130
[  431.320642] DMA: 
[  431.322878]  ? mark_held_locks+0x130/0x130
[  431.327093] 1*4kB 
[  431.329155]  ? print_usage_bug+0xc0/0xc0
[  431.333370] (U) 
[  431.335522]  ? find_held_lock+0x36/0x1c0
[  431.339562] 0*8kB 
[  431.341536]  ? zap_class+0x640/0x640
[  431.345580] 0*16kB 
[  431.347730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.351423] 1*32kB (U) 
[  431.353675]  ? check_preemption_disabled+0x48/0x280
[  431.359188] 2*64kB (U) 
[  431.361793]  ? __lock_is_held+0xb5/0x140
[  431.366784] 1*128kB 
[  431.369377]  __alloc_pages_nodemask+0xa80/0xde0
[  431.373417] (U) 
[  431.375742]  ? zap_class+0x640/0x640
[  431.380393] 1*256kB 
[  431.382378]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  431.386070] (U) 
[  431.388401]  ? find_held_lock+0x36/0x1c0
[  431.393389] 0*512kB 1*1024kB 
[  431.395387]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.399425] (U) 
[  431.402539]  ? lock_downgrade+0x900/0x900
[  431.407187] 1*2048kB (M) 
[  431.409190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.413304] 3*4096kB 
[  431.416068]  cache_grow_begin+0xa5/0x8c0
[  431.421585] (M) 
[  431.424008]  ? do_raw_spin_unlock+0xa7/0x330
[  431.428047] = 15908kB
[  431.430030]  fallback_alloc+0x204/0x2e0
[  431.434415] Node 0 
[  431.436833]  ____cache_alloc_node+0x1c7/0x1e0
[  431.440783] DMA32: 
[  431.443024]  kmem_cache_alloc_node+0xe3/0x730
[  431.447498] 2*4kB 
[  431.449738]  ? mark_held_locks+0xc7/0x130
[  431.454211] (M) 
[  431.456366]  __alloc_skb+0x119/0x770
[  431.460501] 3*8kB (UM) 
[  431.462495]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.466187] 3*16kB 
[  431.468771]  ? do_raw_spin_trylock+0x270/0x270
[  431.473154] (UM) 
[  431.475405]  ? kmem_cache_alloc_trace+0x353/0x750
[  431.479961] 4*32kB (UM) 5*64kB 
[  431.482567]  ? queue_work_on+0x12c/0x1e0
[  431.487388] (UM) 
[  431.490672]  ? switchdev_port_obj_del+0xdc/0x440
[  431.494708] 4*128kB 
[  431.496773]  ? switchdev_trans_item_enqueue+0x260/0x260
[  431.501586] (M) 5*256kB 
[  431.503926]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  431.509270] (UM) 
[  431.511947]  __br_mdb_notify+0x4ff/0x15d0
[  431.516934] 5*512kB (UM) 
[  431.519023]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.523151] 4*1024kB 
[  431.525924]  ? __br_mdb_add+0x7f0/0x7f0
[  431.530994] (UM) 
[  431.533410]  ? mark_held_locks+0x130/0x130
[  431.537352] 2*2048kB (M) 
[  431.539432]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.543638] 3*4096kB 
[  431.546398]  ? debug_object_assert_init+0x368/0x4b0
[  431.551485] (M) 
[  431.553902]  ? debug_object_init_on_stack+0x20/0x20
[  431.558896] = 25360kB
[  431.560876]  ? zap_class+0x640/0x640
[  431.565875] Node 0 
[  431.568295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.571985] Normal: 
[  431.574226]  br_mdb_notify+0x310/0x410
[  431.579739] 783*4kB 
[  431.582065]  ? br_mdb_dump+0x27b0/0x27b0
[  431.585929] (UMEH) 
[  431.588279]  br_multicast_del_pg+0x3df/0x790
[  431.592303] 379*8kB 
[  431.594546]  ? br_mdb_ip_get+0x940/0x940
[  431.598926] (MEH) 
[  431.601257]  ? rwlock_bug.part.2+0x90/0x90
[  431.605298] 205*16kB 
[  431.607457]  ? __lock_is_held+0xb5/0x140
[  431.611674] (UMEH) 
[  431.614092]  br_multicast_port_group_expired+0x189/0x1e0
[  431.618124] 93*32kB (UMEH) 
[  431.620381]  call_timer_fn+0x272/0x920
[  431.625808] 24*64kB (UMH) 
[  431.628758]  ? br_multicast_del_pg+0x790/0x790
[  431.632625] 1*128kB 
[  431.635477]  ? process_timeout+0x40/0x40
[  431.640031] (H) 0*256kB 
[  431.642373]  ? mark_held_locks+0xc7/0x130
[  431.646404] 0*512kB 0*1024kB 
[  431.649091]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.653221] 0*2048kB 
[  431.656328]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.660803] 0*4096kB 
[  431.663222]  ? br_multicast_del_pg+0x790/0x790
[  431.667694] = 14084kB
[  431.667710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  431.670126]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.674693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  431.677106]  ? trace_hardirqs_on+0xbd/0x310
[  431.685935] 1070 total pagecache pages
[  431.690538]  ? kasan_check_read+0x11/0x20
[  431.699100] 0 pages in swap cache
[  431.703429]  ? __run_timers+0x7da/0xc70
[  431.707303] Swap cache stats: add 0, delete 0, find 0/0
[  431.711453]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.714892] Free swap  = 0kB
[  431.718873]  ? br_multicast_del_pg+0x790/0x790
[  431.724209] Total swap = 0kB
[  431.724219] 1965979 pages RAM
[  431.729325]  ? br_multicast_del_pg+0x790/0x790
[  431.732322] 0 pages HighMem/MovableOnly
[  431.736908]  __run_timers+0x7e5/0xc70
[  431.739906] 342293 pages reserved
[  431.743022]  ? timer_fixup_init+0x70/0x70
[  431.747576] 0 pages cma reserved
[  431.751547]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  431.755497] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  431.758780]  ? zap_class+0x640/0x640
[  431.762913] syz-executor1 cpuset=
[  431.766284]  ? print_usage_bug+0xc0/0xc0
[  431.771283] syz1
[  431.781773]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  431.785470]  mems_allowed=0
[  431.788930]  ? find_held_lock+0x36/0x1c0
[  431.807113]  ? zap_class+0x640/0x640
[  431.810837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.816383]  ? check_preemption_disabled+0x48/0x280
[  431.821416]  ? __lock_is_held+0xb5/0x140
[  431.825484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.831026]  ? check_preemption_disabled+0x48/0x280
[  431.836142]  run_timer_softirq+0x52/0xb0
[  431.840209]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.845235]  __do_softirq+0x308/0xb7e
[  431.849045]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  431.853542]  ? lock_downgrade+0x900/0x900
[  431.857705]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.862825]  ? pvclock_read_flags+0x160/0x160
[  431.867327]  ? lapic_next_event+0x5a/0x90
[  431.871486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.877036]  ? kvm_clock_read+0x18/0x30
[  431.881015]  ? kvm_sched_clock_read+0x9/0x20
[  431.885428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.890976]  ? check_preemption_disabled+0x48/0x280
[  431.896014]  irq_exit+0x17f/0x1c0
[  431.899478]  smp_apic_timer_interrupt+0x1cb/0x760
[  431.904332]  ? smp_call_function_single_interrupt+0x650/0x650
[  431.910221]  ? interrupt_entry+0xb5/0xc0
[  431.914290]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.919309]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.924334]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.929184]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.934204]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.939223]  ? task_prio+0x50/0x50
[  431.942767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.948312]  ? check_preemption_disabled+0x48/0x280
[  431.953338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.958195]  apic_timer_interrupt+0xf/0x20
[  431.962431]  </IRQ>
[  431.964672] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  431.969779] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  431.988683] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  431.996399] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  432.003667] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  432.010936] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  432.018211] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  432.025483] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  432.032791]  shrink_active_list+0x67b/0x1c20
[  432.037201]  ? free_unref_page_list+0xd1b/0x11e0
[  432.041976]  ? shrink_inactive_list+0xa4a/0x1c60
[  432.046744]  ? zap_class+0x60f/0x640
[  432.050462]  ? shrink_inactive_list+0x1c60/0x1c60
[  432.055321]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.059829]  ? find_held_lock+0x36/0x1c0
[  432.063899]  ? __page_frag_cache_drain+0x200/0x200
[  432.068828]  ? print_usage_bug+0xc0/0xc0
[  432.072907]  ? find_held_lock+0x36/0x1c0
[  432.076981]  ? zap_class+0x640/0x640
[  432.080698]  ? mark_held_locks+0xc7/0x130
[  432.084854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.090400]  ? check_preemption_disabled+0x48/0x280
[  432.095430]  ? zap_class+0x640/0x640
[  432.099148]  ? __lock_is_held+0xb5/0x140
[  432.103220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.108771]  ? check_preemption_disabled+0x48/0x280
[  432.113800]  ? __lock_is_held+0xb5/0x140
[  432.117881]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  432.122908]  ? inactive_list_is_low+0x305/0x880
[  432.127590]  ? lruvec_lru_size+0x450/0x450
[  432.131833]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.136770]  ? rcu_softirq_qs+0x20/0x20
[  432.140758]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  432.145706]  shrink_node_memcg+0x803/0x18f0
[  432.150053]  ? shrink_active_list+0x1c20/0x1c20
[  432.154735]  ? lock_downgrade+0x900/0x900
[  432.158889]  ? check_flush_dependency+0x410/0x410
[  432.163740]  ? kasan_check_read+0x11/0x20
[  432.167902]  ? ___preempt_schedule+0x16/0x18
[  432.172323]  ? _raw_spin_unlock+0x3f/0x50
[  432.176476]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  432.181672]  shrink_node+0x3bc/0x16b0
[  432.185480]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  432.190792]  ? shrink_node_memcg+0x18f0/0x18f0
[  432.195379]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.199970]  ? trace_hardirqs_on+0xbd/0x310
[  432.204299]  ? vmpressure+0x271/0x340
[  432.208111]  ? do_raw_spin_trylock+0x270/0x270
[  432.212703]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  432.218247]  ? __cpuset_node_allowed+0x19b/0x660
[  432.223015]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  432.228728]  ? vmpressure+0x1a2/0x340
[  432.232545]  do_try_to_free_pages+0x3e7/0x1290
[  432.237127]  ? zap_class+0x640/0x640
[  432.240864]  ? shrink_node+0x16b0/0x16b0
[  432.244934]  ? __lock_is_held+0xb5/0x140
[  432.249018]  try_to_free_pages+0x4d0/0xb90
[  432.253260]  ? do_try_to_free_pages+0x1290/0x1290
[  432.258108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.263661]  ? lock_acquire+0x1ed/0x520
[  432.267645]  ? set_page_refcounted+0x280/0x280
[  432.272244]  ? lock_release+0xa00/0xa00
[  432.276233]  ? perf_trace_sched_process_exec+0x860/0x860
[  432.281701]  __alloc_pages_slowpath+0x9c4/0x2d70
[  432.286491]  ? warn_alloc+0x120/0x120
[  432.290295]  ? rcu_softirq_qs+0x20/0x20
[  432.294306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.299852]  ? should_fail+0x22d/0xd01
[  432.303751]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.308862]  ? zap_class+0x640/0x640
[  432.312604]  ? __lock_is_held+0xb5/0x140
[  432.316681]  ? mark_held_locks+0x130/0x130
[  432.320926]  ? lock_release+0xa00/0xa00
[  432.324913]  ? perf_trace_sched_process_exec+0x860/0x860
[  432.330384]  ? __might_sleep+0x95/0x190
[  432.334374]  __alloc_pages_nodemask+0xa80/0xde0
[  432.339054]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  432.344078]  ? __page_cache_alloc+0x191/0x5c0
[  432.348582]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.353518]  ? kasan_check_read+0x11/0x20
[  432.357675]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.362964]  ? zap_class+0x640/0x640
[  432.366691]  ? zap_class+0x640/0x640
[  432.370408]  ? zap_class+0x640/0x640
[  432.374123]  ? __do_page_cache_readahead+0x7ce/0x980
[  432.379236]  ? find_held_lock+0x36/0x1c0
[  432.383305]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  432.388857]  alloc_pages_current+0x173/0x350
[  432.393279]  __page_cache_alloc+0x38c/0x5c0
[  432.397605]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.402535]  ? kasan_check_read+0x11/0x20
[  432.406689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.411976]  ? generic_perform_write+0x6a0/0x6a0
[  432.416756]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.422304]  ? check_preemption_disabled+0x48/0x280
[  432.427331]  filemap_fault+0x1594/0x25f0
[  432.431429]  ? __lock_page_or_retry+0xa00/0xa00
[  432.436109]  ? mark_held_locks+0x130/0x130
[  432.440348]  ? rcu_softirq_qs+0x20/0x20
[  432.444342]  ? filemap_map_pages+0xe04/0x1990
[  432.448851]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.453438]  ? __free_object+0x173/0x340
[  432.457503]  ? debug_object_free+0x36f/0x690
[  432.461918]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  432.466859]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.471972]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  432.476652]  ? queue_work_on+0x12c/0x1e0
[  432.480725]  ? debug_object_free+0x36f/0x690
[  432.485135]  ? kasan_check_read+0x11/0x20
[  432.489287]  ? debug_object_destroy+0x2b0/0x2b0
[  432.493975]  ? lock_pi_update_atomic+0x150/0x150
[  432.498739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.504284]  ? __hrtimer_init+0xdb/0x240
[  432.508363]  ? lock_acquire+0x1ed/0x520
[  432.512348]  ? ext4_filemap_fault+0x7a/0xad
[  432.516684]  ? lock_release+0xa00/0xa00
[  432.520664]  ? perf_trace_sched_process_exec+0x860/0x860
[  432.526122]  ? print_usage_bug+0xc0/0xc0
[  432.530198]  ? print_usage_bug+0xc0/0xc0
[  432.534274]  ? down_read+0x8d/0x120
[  432.537907]  ? ext4_filemap_fault+0x7a/0xad
[  432.542230]  ? __down_interruptible+0x700/0x700
[  432.546918]  ext4_filemap_fault+0x82/0xad
[  432.551079]  __do_fault+0x100/0x6b0
[  432.554715]  ? pmd_devmap_trans_unstable+0x220/0x220
[  432.559823]  ? mark_held_locks+0x130/0x130
[  432.564061]  ? mark_held_locks+0x130/0x130
[  432.568311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.573857]  __handle_mm_fault+0x307c/0x5920
[  432.578267]  ? perf_trace_lock+0x7a0/0x7a0
[  432.582515]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  432.587379]  ? __switch_to_asm+0x34/0x70
[  432.591938]  ? __switch_to_asm+0x34/0x70
[  432.596021]  ? zap_class+0x640/0x640
[  432.599737]  ? zap_class+0x640/0x640
[  432.603459]  ? __x64_sys_futex+0x53e/0x6a0
[  432.607705]  ? find_held_lock+0x36/0x1c0
[  432.611783]  ? handle_mm_fault+0x42a/0xc70
[  432.616027]  ? lock_downgrade+0x900/0x900
[  432.620191]  ? check_preemption_disabled+0x48/0x280
[  432.625225]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.630159]  ? kasan_check_read+0x11/0x20
[  432.634324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.639610]  ? rcu_softirq_qs+0x20/0x20
[  432.643589]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.648701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.654244]  ? check_preemption_disabled+0x48/0x280
[  432.659279]  handle_mm_fault+0x54f/0xc70
[  432.663350]  ? __handle_mm_fault+0x5920/0x5920
[  432.667943]  ? find_vma+0x34/0x190
[  432.671534]  __do_page_fault+0x5e8/0xe60
[  432.675604]  ? trace_hardirqs_off+0xb8/0x310
[  432.680032]  do_page_fault+0xf2/0x7e0
[  432.683842]  ? vmalloc_sync_all+0x30/0x30
[  432.688000]  ? error_entry+0x70/0xd0
[  432.691725]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.696747]  ? trace_hardirqs_on_caller+0xc0/0x310
[  432.701692]  ? syscall_return_slowpath+0x5e0/0x5e0
[  432.706624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.711471]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.716499]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.721965]  ? prepare_exit_to_usermode+0x291/0x3b0
[  432.726992]  ? page_fault+0x8/0x30
[  432.730541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.735398]  ? page_fault+0x8/0x30
[  432.738943]  page_fault+0x1e/0x30
[  432.742410] RIP: 0033:0x45ddf3
[  432.745622] Code: Bad RIP value.
[  432.748986] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  432.754360] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  432.761640] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  432.768917] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  432.776199] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  432.783471] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  432.790778] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  432.790780] Mem-Info:
[  432.790811] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  432.790811]  active_file:15 inactive_file:12 isolated_file:0
[  432.790811]  unevictable:0 dirty:0 writeback:0 unstable:0
[  432.790811]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  432.790811]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  432.790811]  free:13694 free_pcp:0 free_cma:0
[  432.797811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.800274] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  432.833142] Call Trace:
[  432.842507] Node 0 
[  432.870175]  <IRQ>
[  432.870199]  dump_stack+0x244/0x39d
[  432.872791] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  432.875007]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.877138] lowmem_reserve[]:
[  432.880773]  warn_alloc.cold.117+0xb7/0x1bd
[  432.906257]  0
[  432.911459]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.914535]  2819
[  432.918858]  ? lock_downgrade+0x900/0x900
[  432.920642]  6323
[  432.925491]  ? trace_hardirqs_off+0xb8/0x310
[  432.927531]  6323
[  432.931681]  ? trace_hardirqs_off+0xb8/0x310
[  432.938134]  __alloc_pages_slowpath+0x2660/0x2d70
[  432.940181] Node 0 
[  432.944616]  ? warn_alloc+0x120/0x120
[  432.949437] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  432.951649]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  432.955429] lowmem_reserve[]:
[  432.982155]  ? warn_alloc+0x120/0x120
[  432.987159]  0
[  432.990264]  ? print_usage_bug+0xc0/0xc0
[  432.994048]  0
[  432.995849]  ? warn_alloc+0x120/0x120
[  432.999891]  3503
[  433.001695]  ? print_usage_bug+0xc0/0xc0
[  433.005478]  3503
[  433.007549]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.013653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.018817] Node 0 
[  433.024353]  ? should_fail+0x22d/0xd01
[  433.024391] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  433.026605]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.030470] lowmem_reserve[]:
[  433.058582]  ? __lock_acquire+0x62f/0x4c20
[  433.063669]  0
[  433.066775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.070985]  0
[  433.072792]  ? should_fail+0x22d/0xd01
[  433.077873]  0
[  433.079682]  ? mark_held_locks+0x130/0x130
[  433.083541]  0
[  433.085345]  ? mark_held_locks+0x130/0x130
[  433.091384]  ? print_usage_bug+0xc0/0xc0
[  433.095603] Node 0 DMA: 
[  433.099664]  ? find_held_lock+0x36/0x1c0
[  433.099679]  ? zap_class+0x640/0x640
[  433.102336] 1*4kB 
[  433.106399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.110090] (U) 
[  433.112243]  ? check_preemption_disabled+0x48/0x280
[  433.117759] 0*8kB 
[  433.119743]  ? __lock_is_held+0xb5/0x140
[  433.124749] 0*16kB 
[  433.126899]  __alloc_pages_nodemask+0xa80/0xde0
[  433.130939] 1*32kB 
[  433.133186]  ? zap_class+0x640/0x640
[  433.137836] (U) 
[  433.140076]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  433.143764] 2*64kB (U) 
[  433.145758]  ? find_held_lock+0x36/0x1c0
[  433.150749] 1*128kB 
[  433.153342]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.157393] (U) 
[  433.159723]  ? lock_downgrade+0x900/0x900
[  433.164398] 1*256kB 
[  433.166381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.170504] (U) 
[  433.172834]  cache_grow_begin+0xa5/0x8c0
[  433.178344] 0*512kB 1*1024kB 
[  433.180333]  ? do_raw_spin_unlock+0xa7/0x330
[  433.184372] (U) 
[  433.187485]  fallback_alloc+0x204/0x2e0
[  433.191872] 1*2048kB 
[  433.193856]  ____cache_alloc_node+0x1c7/0x1e0
[  433.197915] (M) 
[  433.200332]  kmem_cache_alloc_node+0xe3/0x730
[  433.204803] 3*4096kB 
[  433.206778]  ? mark_held_locks+0xc7/0x130
[  433.211250] (M) 
[  433.213668]  __alloc_skb+0x119/0x770
[  433.217787] = 15908kB
[  433.217797] Node 0 
[  433.219777]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.223460] DMA32: 2*4kB 
[  433.225882]  ? do_raw_spin_trylock+0x270/0x270
[  433.228099] (M) 
[  433.232506]  ? kmem_cache_alloc_trace+0x353/0x750
[  433.235248] 3*8kB 
[  433.239834]  ? queue_work_on+0x12c/0x1e0
[  433.241791] (UM) 
[  433.246635]  ? switchdev_port_obj_del+0xdc/0x440
[  433.248764] 3*16kB 
[  433.252825]  ? switchdev_trans_item_enqueue+0x260/0x260
[  433.254868] (UM) 
[  433.259625]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  433.261846] 4*32kB 
[  433.267218]  __br_mdb_notify+0x4ff/0x15d0
[  433.269261] (UM) 
[  433.274279]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.276494] 5*64kB 
[  433.280645]  ? __br_mdb_add+0x7f0/0x7f0
[  433.282681] (UM) 
[  433.287788]  ? mark_held_locks+0x130/0x130
[  433.290002] 4*128kB (M) 
[  433.293994]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  433.296128] 5*256kB 
[  433.300369]  ? debug_object_assert_init+0x368/0x4b0
[  433.303195] (UM) 
[  433.308297]  ? debug_object_init_on_stack+0x20/0x20
[  433.310689] 5*512kB 
[  433.315708]  ? zap_class+0x640/0x640
[  433.317753] (UM) 
[  433.322774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.325079] 4*1024kB 
[  433.328809]  br_mdb_notify+0x310/0x410
[  433.330851] (UM) 
[  433.336389]  ? br_mdb_dump+0x27b0/0x27b0
[  433.338781] 2*2048kB 
[  433.342680]  br_multicast_del_pg+0x3df/0x790
[  433.344711] (M) 
[  433.348775]  ? br_mdb_ip_get+0x940/0x940
[  433.351169] 3*4096kB 
[  433.355573]  ? rwlock_bug.part.2+0x90/0x90
[  433.357531] (M) 
[  433.361595]  ? __lock_is_held+0xb5/0x140
[  433.363989] = 25360kB
[  433.368234]  br_multicast_port_group_expired+0x189/0x1e0
[  433.370194] Node 0 
[  433.374256]  call_timer_fn+0x272/0x920
[  433.376646] Normal: 
[  433.382098]  ? br_multicast_del_pg+0x790/0x790
[  433.384318] 783*4kB 
[  433.388211]  ? process_timeout+0x40/0x40
[  433.390518] (UMEH) 
[  433.395108]  ? __run_timers+0x7da/0xc70
[  433.397409] 379*8kB 
[  433.401736]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.403960] (MEH) 
[  433.407932]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.410238] 205*16kB 
[  433.414734]  ? br_multicast_del_pg+0x790/0x790
[  433.416864] (UMEH) 
[  433.421359]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.423753] 93*32kB 
[  433.428332]  ? trace_hardirqs_on+0xbd/0x310
[  433.430554] (UMEH) 
[  433.435135]  ? kasan_check_read+0x11/0x20
[  433.437439] 24*64kB 
[  433.441764]  ? __run_timers+0x7da/0xc70
[  433.443981] (UMH) 
[  433.448131]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.450435] 1*128kB 
[  433.454413]  ? br_multicast_del_pg+0x790/0x790
[  433.456537] (H) 0*256kB 
[  433.461654]  ? br_multicast_del_pg+0x790/0x790
[  433.463970] 0*512kB 
[  433.468552]  __run_timers+0x7e5/0xc70
[  433.471207] 0*1024kB 
[  433.475798]  ? timer_fixup_init+0x70/0x70
[  433.478093] 0*2048kB 0*4096kB 
[  433.482438]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.484834] = 14084kB
[  433.488977]  ? zap_class+0x640/0x640
[  433.492158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  433.497190]  ? enqueue_hrtimer+0x1a5/0x560
[  433.499577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  433.503288]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.512099] 1070 total pagecache pages
[  433.512118] 0 pages in swap cache
[  433.516347]  ? find_held_lock+0x36/0x1c0
[  433.524904] Swap cache stats: add 0, delete 0, find 0/0
[  433.530090]  ? zap_class+0x640/0x640
[  433.533962] Free swap  = 0kB
[  433.537418]  ? pvclock_read_flags+0x160/0x160
[  433.541463] Total swap = 0kB
[  433.546825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.550526] 1965979 pages RAM
[  433.553546]  ? check_preemption_disabled+0x48/0x280
[  433.558023] 0 pages HighMem/MovableOnly
[  433.561050]  ? __lock_is_held+0xb5/0x140
[  433.566560] 342293 pages reserved
[  433.569667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.574674] 0 pages cma reserved
[  433.578646]  ? check_preemption_disabled+0x48/0x280
[  433.582880] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.586146]  run_timer_softirq+0x52/0xb0
[  433.591659] syz-fuzzer cpuset=
[  433.595029]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.600024] /
[  433.610252]  __do_softirq+0x308/0xb7e
[  433.614300]  mems_allowed=0
[  433.617495]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  433.635409]  ? lock_downgrade+0x900/0x900
[  433.639573]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.644700]  ? pvclock_read_flags+0x160/0x160
[  433.649202]  ? lapic_next_event+0x5a/0x90
[  433.653362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.658909]  ? kvm_clock_read+0x18/0x30
[  433.662889]  ? kvm_sched_clock_read+0x9/0x20
[  433.667311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.672856]  ? check_preemption_disabled+0x48/0x280
[  433.677888]  irq_exit+0x17f/0x1c0
[  433.681354]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.686201]  ? smp_reschedule_interrupt+0x109/0x650
[  433.691224]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.697112]  ? interrupt_entry+0xb5/0xc0
[  433.701198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.706219]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.711243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.716090]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.721105]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.726138]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.731005]  apic_timer_interrupt+0xf/0x20
[  433.735240]  </IRQ>
[  433.737491] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  433.742430] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  433.761337] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  433.769053] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  433.776325] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  433.783594] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  433.790862] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  433.798129] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  433.805472]  skb_clone+0x1bb/0x500
[  433.809025]  ? finish_task_switch+0x1b4/0x910
[  433.813523]  ? skb_split+0x11e0/0x11e0
[  433.817418]  ? preempt_notifier_register+0x200/0x200
[  433.822527]  ? __switch_to_asm+0x34/0x70
[  433.826589]  ? __switch_to_asm+0x34/0x70
[  433.830656]  ? __switch_to_asm+0x40/0x70
[  433.834718]  ? __switch_to_asm+0x34/0x70
[  433.838780]  ? __switch_to_asm+0x40/0x70
[  433.842843]  ? __switch_to_asm+0x34/0x70
[  433.846907]  ? __switch_to_asm+0x40/0x70
[  433.850967]  ? __switch_to_asm+0x34/0x70
[  433.855033]  ? __switch_to_asm+0x34/0x70
[  433.859096]  ? __switch_to_asm+0x40/0x70
[  433.863158]  ? __switch_to_asm+0x34/0x70
[  433.867244]  bpf_clone_redirect+0xb9/0x490
[  433.871490]  ? __schedule+0x8d7/0x21d0
[  433.875390]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  433.880417]  ? __sched_text_start+0x8/0x8
[  433.884582]  ? find_held_lock+0x36/0x1c0
[  433.888657]  ? lock_acquire+0x1ed/0x520
[  433.892633]  ? bpf_test_run+0x3cb/0x780
[  433.896612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.902155]  ? check_preemption_disabled+0x48/0x280
[  433.907196]  ? kasan_check_read+0x11/0x20
[  433.911353]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.916639]  ? rcu_softirq_qs+0x20/0x20
[  433.920623]  ? preempt_schedule+0x4d/0x60
[  433.924775]  ? ___preempt_schedule+0x16/0x18
[  433.929204]  ? bpf_test_run+0x25d/0x780
[  433.933205]  ? netlink_diag_dump+0x2a0/0x2a0
[  433.937623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.943173]  ? bpf_test_init.isra.10+0x70/0x100
[  433.947851]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  433.952618]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.957468]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  433.963010]  ? fput+0x130/0x1a0
[  433.966297]  ? __bpf_prog_get+0x9b/0x290
[  433.970367]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.975216]  ? bpf_prog_test_run+0x130/0x1a0
[  433.979640]  ? __x64_sys_bpf+0x3d8/0x520
[  433.983706]  ? bpf_prog_get+0x20/0x20
[  433.987535]  ? do_syscall_64+0x1b9/0x820
[  433.991606]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  433.996982]  ? syscall_return_slowpath+0x5e0/0x5e0
[  434.001923]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.006944]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  434.011969]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  434.018646]  ? __switch_to_asm+0x40/0x70
[  434.022715]  ? __switch_to_asm+0x34/0x70
[  434.026789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.031651]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  434.037040] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  434.037191] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.043636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  434.054115] syz-executor1 cpuset=
[  434.063466] Call Trace:
[  434.063477]  <IRQ>
[  434.066926] syz1
[  434.069523]  dump_stack+0x244/0x39d
[  434.071650]  mems_allowed=0
[  434.073628]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.085351]  warn_alloc.cold.117+0xb7/0x1bd
[  434.089688]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.094541]  ? lock_downgrade+0x900/0x900
[  434.098709]  ? trace_hardirqs_off+0xb8/0x310
[  434.103131]  ? trace_hardirqs_off+0xb8/0x310
[  434.107556]  __alloc_pages_slowpath+0x2660/0x2d70
[  434.112438]  ? warn_alloc+0x120/0x120
[  434.116250]  ? warn_alloc+0x120/0x120
[  434.120059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.125607]  ? print_usage_bug+0xc0/0xc0
[  434.129675]  ? warn_alloc+0x120/0x120
[  434.133479]  ? print_usage_bug+0xc0/0xc0
[  434.137548]  ? mark_held_locks+0x130/0x130
[  434.141792]  ? __lock_is_held+0xb5/0x140
[  434.145869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.151415]  ? should_fail+0x22d/0xd01
[  434.155317]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.160430]  ? __lock_acquire+0x62f/0x4c20
[  434.164684]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.169796]  ? should_fail+0x22d/0xd01
[  434.173702]  ? mark_held_locks+0x130/0x130
[  434.177944]  ? mark_held_locks+0x130/0x130
[  434.182193]  ? print_usage_bug+0xc0/0xc0
[  434.186269]  ? find_held_lock+0x36/0x1c0
[  434.190337]  ? zap_class+0x640/0x640
[  434.194062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.199606]  ? check_preemption_disabled+0x48/0x280
[  434.204640]  ? __lock_is_held+0xb5/0x140
[  434.208717]  __alloc_pages_nodemask+0xa80/0xde0
[  434.213393]  ? zap_class+0x640/0x640
[  434.217123]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  434.222158]  ? find_held_lock+0x36/0x1c0
[  434.226240]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.230918]  ? lock_downgrade+0x900/0x900
[  434.235080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.240626]  cache_grow_begin+0xa5/0x8c0
[  434.244696]  ? do_raw_spin_unlock+0xa7/0x330
[  434.249120]  fallback_alloc+0x204/0x2e0
[  434.253110]  ____cache_alloc_node+0x1c7/0x1e0
[  434.257617]  kmem_cache_alloc_node+0xe3/0x730
[  434.262122]  ? mark_held_locks+0xc7/0x130
[  434.266289]  __alloc_skb+0x119/0x770
[  434.270013]  ? netdev_alloc_frag+0x1f0/0x1f0
[  434.274424]  ? do_raw_spin_trylock+0x270/0x270
[  434.279010]  ? kmem_cache_alloc_trace+0x353/0x750
[  434.283861]  ? queue_work_on+0x12c/0x1e0
[  434.287933]  ? switchdev_port_obj_del+0xdc/0x440
[  434.292704]  ? switchdev_trans_item_enqueue+0x260/0x260
[  434.298082]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  434.303109]  __br_mdb_notify+0x4ff/0x15d0
[  434.307261]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  434.312380]  ? __br_mdb_add+0x7f0/0x7f0
[  434.316363]  ? mark_held_locks+0x130/0x130
[  434.320609]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  434.325718]  ? debug_object_assert_init+0x368/0x4b0
[  434.330742]  ? debug_object_init_on_stack+0x20/0x20
[  434.335759]  ? zap_class+0x640/0x640
[  434.339478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.345031]  br_mdb_notify+0x310/0x410
[  434.348925]  ? br_mdb_dump+0x27b0/0x27b0
[  434.353010]  br_multicast_del_pg+0x3df/0x790
[  434.357436]  ? br_mdb_ip_get+0x940/0x940
[  434.361504]  ? rwlock_bug.part.2+0x90/0x90
[  434.365748]  ? __lock_is_held+0xb5/0x140
[  434.369823]  br_multicast_port_group_expired+0x189/0x1e0
[  434.375283]  call_timer_fn+0x272/0x920
[  434.379176]  ? br_multicast_del_pg+0x790/0x790
[  434.383766]  ? process_timeout+0x40/0x40
[  434.387845]  ? mark_held_locks+0xc7/0x130
[  434.392002]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.396501]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.400998]  ? br_multicast_del_pg+0x790/0x790
[  434.405610]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.410199]  ? trace_hardirqs_on+0xbd/0x310
[  434.414524]  ? kasan_check_read+0x11/0x20
[  434.418678]  ? __run_timers+0x7da/0xc70
[  434.422657]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.427769]  ? br_multicast_del_pg+0x790/0x790
[  434.432367]  ? br_multicast_del_pg+0x790/0x790
[  434.436953]  __run_timers+0x7e5/0xc70
[  434.440780]  ? timer_fixup_init+0x70/0x70
[  434.444938]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  434.449967]  ? zap_class+0x640/0x640
[  434.453693]  ? print_usage_bug+0xc0/0xc0
[  434.457764]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  434.462969]  ? find_held_lock+0x36/0x1c0
[  434.467043]  ? zap_class+0x640/0x640
[  434.470774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.476318]  ? check_preemption_disabled+0x48/0x280
[  434.481349]  ? __lock_is_held+0xb5/0x140
[  434.485413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.490953]  ? check_preemption_disabled+0x48/0x280
[  434.495993]  run_timer_softirq+0x52/0xb0
[  434.500060]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.505087]  __do_softirq+0x308/0xb7e
[  434.508899]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  434.513396]  ? lock_downgrade+0x900/0x900
[  434.517557]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.522672]  ? pvclock_read_flags+0x160/0x160
[  434.527182]  ? lapic_next_event+0x5a/0x90
[  434.531339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.536891]  ? kvm_clock_read+0x18/0x30
[  434.540873]  ? kvm_sched_clock_read+0x9/0x20
[  434.545286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.550835]  ? check_preemption_disabled+0x48/0x280
[  434.555871]  irq_exit+0x17f/0x1c0
[  434.559333]  smp_apic_timer_interrupt+0x1cb/0x760
[  434.564191]  ? smp_call_function_single_interrupt+0x650/0x650
[  434.570080]  ? interrupt_entry+0xb5/0xc0
[  434.574147]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.579178]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.584206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.589579]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.594689]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.599709]  ? task_prio+0x50/0x50
[  434.603254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.608795]  ? check_preemption_disabled+0x48/0x280
[  434.613826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.618683]  apic_timer_interrupt+0xf/0x20
[  434.622917]  </IRQ>
[  434.625176] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  434.630283] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  434.649194] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  434.656907] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  434.664183] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  434.671455] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  434.678728] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  434.685997] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  434.693302]  shrink_active_list+0x67b/0x1c20
[  434.697715]  ? free_unref_page_list+0xd1b/0x11e0
[  434.702483]  ? shrink_inactive_list+0xa4a/0x1c60
[  434.707251]  ? zap_class+0x60f/0x640
[  434.710973]  ? shrink_inactive_list+0x1c60/0x1c60
[  434.715834]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.720343]  ? find_held_lock+0x36/0x1c0
[  434.724432]  ? __page_frag_cache_drain+0x200/0x200
[  434.729363]  ? print_usage_bug+0xc0/0xc0
[  434.733442]  ? find_held_lock+0x36/0x1c0
[  434.737530]  ? zap_class+0x640/0x640
[  434.741250]  ? mark_held_locks+0xc7/0x130
[  434.745408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.750951]  ? check_preemption_disabled+0x48/0x280
[  434.755989]  ? zap_class+0x640/0x640
[  434.759707]  ? __lock_is_held+0xb5/0x140
[  434.763776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.769328]  ? check_preemption_disabled+0x48/0x280
[  434.774360]  ? __lock_is_held+0xb5/0x140
[  434.778441]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  434.783463]  ? inactive_list_is_low+0x305/0x880
[  434.788147]  ? lruvec_lru_size+0x450/0x450
[  434.792399]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.797342]  ? rcu_softirq_qs+0x20/0x20
[  434.801330]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  434.806277]  shrink_node_memcg+0x803/0x18f0
[  434.810620]  ? shrink_active_list+0x1c20/0x1c20
[  434.815306]  ? lock_downgrade+0x900/0x900
[  434.819463]  ? check_flush_dependency+0x410/0x410
[  434.824324]  ? kasan_check_read+0x11/0x20
[  434.828490]  ? ___preempt_schedule+0x16/0x18
[  434.832916]  ? _raw_spin_unlock+0x3f/0x50
[  434.837070]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  434.842271]  shrink_node+0x3bc/0x16b0
[  434.846078]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  434.851386]  ? shrink_node_memcg+0x18f0/0x18f0
[  434.855976]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  434.860570]  ? trace_hardirqs_on+0xbd/0x310
[  434.864893]  ? vmpressure+0x271/0x340
[  434.868716]  ? do_raw_spin_trylock+0x270/0x270
[  434.873313]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  434.878856]  ? __cpuset_node_allowed+0x19b/0x660
[  434.883621]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  434.889334]  ? vmpressure+0x1a2/0x340
[  434.893150]  do_try_to_free_pages+0x3e7/0x1290
[  434.897747]  ? zap_class+0x640/0x640
[  434.901486]  ? shrink_node+0x16b0/0x16b0
[  434.905555]  ? __lock_is_held+0xb5/0x140
[  434.909640]  try_to_free_pages+0x4d0/0xb90
[  434.913884]  ? do_try_to_free_pages+0x1290/0x1290
[  434.918729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.924289]  ? lock_acquire+0x1ed/0x520
[  434.928273]  ? set_page_refcounted+0x280/0x280
[  434.932868]  ? lock_release+0xa00/0xa00
[  434.936855]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.942325]  __alloc_pages_slowpath+0x9c4/0x2d70
[  434.947115]  ? warn_alloc+0x120/0x120
[  434.950920]  ? rcu_softirq_qs+0x20/0x20
[  434.954936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.960483]  ? should_fail+0x22d/0xd01
[  434.964385]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.969490]  ? zap_class+0x640/0x640
[  434.973232]  ? __lock_is_held+0xb5/0x140
[  434.977309]  ? mark_held_locks+0x130/0x130
[  434.981557]  ? lock_release+0xa00/0xa00
[  434.985553]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.991041]  ? __might_sleep+0x95/0x190
[  434.995028]  __alloc_pages_nodemask+0xa80/0xde0
[  434.999708]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  435.004728]  ? __page_cache_alloc+0x191/0x5c0
[  435.009229]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.014160]  ? kasan_check_read+0x11/0x20
[  435.018329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.023610]  ? zap_class+0x640/0x640
[  435.027337]  ? zap_class+0x640/0x640
[  435.031052]  ? zap_class+0x640/0x640
[  435.034769]  ? __do_page_cache_readahead+0x7ce/0x980
[  435.039880]  ? find_held_lock+0x36/0x1c0
[  435.043951]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  435.049506]  alloc_pages_current+0x173/0x350
[  435.053923]  __page_cache_alloc+0x38c/0x5c0
[  435.058257]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.063192]  ? kasan_check_read+0x11/0x20
[  435.067346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.072629]  ? generic_perform_write+0x6a0/0x6a0
[  435.077388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.082933]  ? check_preemption_disabled+0x48/0x280
[  435.087970]  filemap_fault+0x1594/0x25f0
[  435.092048]  ? __lock_page_or_retry+0xa00/0xa00
[  435.096721]  ? mark_held_locks+0x130/0x130
[  435.100969]  ? rcu_softirq_qs+0x20/0x20
[  435.104976]  ? filemap_map_pages+0xe04/0x1990
[  435.109488]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  435.114077]  ? __free_object+0x173/0x340
[  435.118141]  ? debug_object_free+0x36f/0x690
[  435.122561]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  435.127501]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.132612]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  435.137295]  ? queue_work_on+0x12c/0x1e0
[  435.141362]  ? debug_object_free+0x36f/0x690
[  435.145776]  ? kasan_check_read+0x11/0x20
[  435.149930]  ? debug_object_destroy+0x2b0/0x2b0
[  435.154612]  ? lock_pi_update_atomic+0x150/0x150
[  435.159374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.164917]  ? __hrtimer_init+0xdb/0x240
[  435.169001]  ? lock_acquire+0x1ed/0x520
[  435.172984]  ? ext4_filemap_fault+0x7a/0xad
[  435.177319]  ? lock_release+0xa00/0xa00
[  435.181300]  ? perf_trace_sched_process_exec+0x860/0x860
[  435.186758]  ? print_usage_bug+0xc0/0xc0
[  435.190825]  ? print_usage_bug+0xc0/0xc0
[  435.194902]  ? down_read+0x8d/0x120
[  435.198531]  ? ext4_filemap_fault+0x7a/0xad
[  435.202857]  ? __down_interruptible+0x700/0x700
[  435.207548]  ext4_filemap_fault+0x82/0xad
[  435.211704]  __do_fault+0x100/0x6b0
[  435.215343]  ? pmd_devmap_trans_unstable+0x220/0x220
[  435.220458]  ? mark_held_locks+0x130/0x130
[  435.224701]  ? mark_held_locks+0x130/0x130
[  435.228950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.234506]  __handle_mm_fault+0x307c/0x5920
[  435.238918]  ? perf_trace_lock+0x7a0/0x7a0
[  435.243173]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  435.248033]  ? __switch_to_asm+0x34/0x70
[  435.252100]  ? __switch_to_asm+0x34/0x70
[  435.256187]  ? zap_class+0x640/0x640
[  435.259908]  ? zap_class+0x640/0x640
[  435.263630]  ? __x64_sys_futex+0x53e/0x6a0
[  435.267872]  ? find_held_lock+0x36/0x1c0
[  435.271947]  ? handle_mm_fault+0x42a/0xc70
[  435.276202]  ? lock_downgrade+0x900/0x900
[  435.280354]  ? check_preemption_disabled+0x48/0x280
[  435.285384]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.290321]  ? kasan_check_read+0x11/0x20
[  435.294477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.299763]  ? rcu_softirq_qs+0x20/0x20
[  435.303739]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.308845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.314385]  ? check_preemption_disabled+0x48/0x280
[  435.319418]  handle_mm_fault+0x54f/0xc70
[  435.323487]  ? __handle_mm_fault+0x5920/0x5920
[  435.328086]  ? find_vma+0x34/0x190
[  435.331638]  __do_page_fault+0x5e8/0xe60
[  435.335704]  ? trace_hardirqs_off+0xb8/0x310
[  435.340129]  do_page_fault+0xf2/0x7e0
[  435.343943]  ? vmalloc_sync_all+0x30/0x30
[  435.348103]  ? error_entry+0x70/0xd0
[  435.351826]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.356848]  ? trace_hardirqs_on_caller+0xc0/0x310
[  435.361781]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.366713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.371560]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.376579]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  435.382199]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.387226]  ? page_fault+0x8/0x30
[  435.390774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.395624]  ? page_fault+0x8/0x30
[  435.399176]  page_fault+0x1e/0x30
[  435.402634] RIP: 0033:0x45ddf3
[  435.405845] Code: Bad RIP value.
[  435.409210] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  435.414575] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  435.421847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  435.429118] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  435.436387] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  435.443665] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  435.450969] warn_alloc_show_mem: 1 callbacks suppressed
[  435.450982] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  435.450984] Mem-Info:
[  435.451014] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  435.451014]  active_file:15 inactive_file:12 isolated_file:0
[  435.451014]  unevictable:0 dirty:0 writeback:0 unstable:0
[  435.451014]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  435.451014]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  435.451014]  free:13694 free_pcp:0 free_cma:0
[  435.456367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.463307] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  435.465712] Call Trace:
[  435.498840] Node 0 
[  435.508196]  <IRQ>
[  435.535882] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  435.538450]  dump_stack+0x244/0x39d
[  435.540665] lowmem_reserve[]:
[  435.542820]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.568295]  0 2819
[  435.571947]  warn_alloc.cold.117+0xb7/0x1bd
[  435.575023]  6323
[  435.580213]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.582429]  6323
[  435.586755]  ? lock_downgrade+0x900/0x900
[  435.593641]  ? trace_hardirqs_off+0xb8/0x310
[  435.595682] Node 0 
[  435.599833]  ? trace_hardirqs_off+0xb8/0x310
[  435.604245] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  435.606470]  __alloc_pages_slowpath+0x2660/0x2d70
[  435.610851] lowmem_reserve[]:
[  435.637593]  ? warn_alloc+0x120/0x120
[  435.642388]  0 0
[  435.645509]  ? warn_alloc+0x120/0x120
[  435.649288]  3503
[  435.651265]  ? print_usage_bug+0xc0/0xc0
[  435.655046]  3503
[  435.657111]  ? warn_alloc+0x120/0x120
[  435.661157] Node 0 
[  435.663229]  ? print_usage_bug+0xc0/0xc0
[  435.667038] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  435.669252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.673290] lowmem_reserve[]:
[  435.701398]  ? should_fail+0x22d/0xd01
[  435.706914]  0
[  435.710018]  ? mark_held_locks+0x130/0x130
[  435.713886]  0
[  435.715695]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.719907]  0
[  435.721709]  ? __lock_acquire+0x62f/0x4c20
[  435.726793]  0
[  435.728598]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.734614]  ? __lock_acquire+0x62f/0x4c20
[  435.739700] Node 0 
[  435.743929]  ? should_fail+0x22d/0xd01
[  435.743940] DMA: 
[  435.746183]  ? print_usage_bug+0xc0/0xc0
[  435.750043] 1*4kB 
[  435.752115]  ? mark_held_locks+0x130/0x130
[  435.756157] (U) 
[  435.758312]  ? mark_held_locks+0x130/0x130
[  435.762528] 0*8kB 
[  435.764507]  ? zap_class+0x640/0x640
[  435.768727] 0*16kB 
[  435.770877]  ? print_usage_bug+0xc0/0xc0
[  435.774571] 1*32kB 
[  435.776805]  ? zap_class+0x640/0x640
[  435.780851] (U) 
[  435.783088]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.786780] 2*64kB 
[  435.788757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.793843] (U) 
[  435.796079]  ? check_preemption_disabled+0x48/0x280
[  435.801593] 1*128kB (U) 
[  435.803595]  ? __lock_is_held+0xb5/0x140
[  435.808586] 1*256kB 
[  435.811257]  __alloc_pages_nodemask+0xa80/0xde0
[  435.815294] (U) 
[  435.817618]  ? zap_class+0x640/0x640
[  435.822273] 0*512kB 
[  435.824250]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  435.827941] 1*1024kB 
[  435.830271]  ? find_held_lock+0x36/0x1c0
[  435.835259] (U) 
[  435.837675]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.841717] 1*2048kB 
[  435.843695]  ? lock_downgrade+0x900/0x900
[  435.848346] (M) 
[  435.850764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.854888] 3*4096kB 
[  435.856863]  cache_grow_begin+0xa5/0x8c0
[  435.862376] (M) 
[  435.864791]  ? do_raw_spin_unlock+0xa7/0x330
[  435.868831] = 15908kB
[  435.870814]  fallback_alloc+0x204/0x2e0
[  435.875201] Node 0 
[  435.877614]  ____cache_alloc_node+0x1c7/0x1e0
[  435.881564] DMA32: 
[  435.883802]  kmem_cache_alloc_node+0xe3/0x730
[  435.888280] 2*4kB 
[  435.890516]  ? ipv6_get_ifaddr+0x42e/0x620
[  435.894992] (M) 3*8kB 
[  435.897158]  __alloc_skb+0x119/0x770
[  435.901374] (UM) 
[  435.903884]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.907579] 3*16kB 
[  435.909642]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.914900] (UM) 
[  435.917135]  ? lock_downgrade+0x900/0x900
[  435.921526] 4*32kB 
[  435.923595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.927717] (UM) 
[  435.929957]  ? refcount_sub_and_test_checked+0x203/0x310
[  435.935477] 5*64kB 
[  435.937539]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  435.942970] (UM) 
[  435.945212]  ? addrconf_rs_timer+0x690/0x690
[  435.950644] 4*128kB 
[  435.952713]  ndisc_alloc_skb+0x144/0x340
[  435.957092] (M) 
[  435.959416]  ndisc_send_rs+0x331/0x6e0
[  435.963467] 5*256kB 
[  435.965442]  addrconf_rs_timer+0x314/0x690
[  435.969311] (UM) 
[  435.971636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.975867] 5*512kB 
[  435.977939]  call_timer_fn+0x272/0x920
[  435.982146] (UM) 
[  435.984472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.988338] 4*1024kB 
[  435.990403]  ? process_timeout+0x40/0x40
[  435.994616] (UM) 
[  435.997033]  ? __run_timers+0x7da/0xc70
[  436.001070] 2*2048kB 
[  436.003136]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.007092] (M) 
[  436.009508]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.013985] 3*4096kB 
[  436.015959]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.020441] (M) 
[  436.022855]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.027069] = 25360kB
[  436.029043]  ? trace_hardirqs_on+0xbd/0x310
[  436.033605] Node 0 
[  436.036014]  ? kasan_check_read+0x11/0x20
[  436.040317] Normal: 
[  436.042557]  ? __run_timers+0x7da/0xc70
[  436.046686] 783*4kB 
[  436.049009]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.052962] (UMEH) 
[  436.055296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.060370] 379*8kB 
[  436.062605]  __run_timers+0x7e5/0xc70
[  436.066819] (MEH) 
[  436.069156]  ? timer_fixup_init+0x70/0x70
[  436.072942] 205*16kB 
[  436.075090]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.079220] (UMEH) 
[  436.081634]  ? zap_class+0x640/0x640
[  436.086630] 93*32kB 
[  436.088869]  ? enqueue_hrtimer+0x1a5/0x560
[  436.092558] (UMEH) 
[  436.094890]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.099106] 24*64kB 
[  436.101342]  ? find_held_lock+0x36/0x1c0
[  436.106524] (UMH) 
[  436.108849]  ? zap_class+0x640/0x640
[  436.112892] 1*128kB 
[  436.115048]  ? pvclock_read_flags+0x160/0x160
[  436.118736] (H) 
[  436.121060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.125537] 0*256kB 
[  436.127514]  ? check_preemption_disabled+0x48/0x280
[  436.133056] 0*512kB 
[  436.135380]  ? __lock_is_held+0xb5/0x140
[  436.140375] 0*1024kB 
[  436.142695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.146737] 0*2048kB 
[  436.149143]  ? check_preemption_disabled+0x48/0x280
[  436.154659] 0*4096kB 
[  436.157069]  run_timer_softirq+0x52/0xb0
[  436.162062] = 14084kB
[  436.164473]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.168520] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  436.170927]  __do_softirq+0x308/0xb7e
[  436.175927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  436.184753]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  436.188535] 1070 total pagecache pages
[  436.197109]  ? lock_downgrade+0x900/0x900
[  436.201595] 0 pages in swap cache
[  436.205481]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.209606] Swap cache stats: add 0, delete 0, find 0/0
[  436.213061]  ? pvclock_read_flags+0x160/0x160
[  436.218141] Free swap  = 0kB
[  436.223505]  ? lapic_next_event+0x5a/0x90
[  436.227983] Total swap = 0kB
[  436.231002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.235129] 1965979 pages RAM
[  436.238151]  ? kvm_clock_read+0x18/0x30
[  436.243672] 0 pages HighMem/MovableOnly
[  436.246776]  ? kvm_sched_clock_read+0x9/0x20
[  436.250735] 342293 pages reserved
[  436.254710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.259102] 0 pages cma reserved
[  436.262553]  ? check_preemption_disabled+0x48/0x280
[  436.268227] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.271442]  irq_exit+0x17f/0x1c0
[  436.276432] syz-fuzzer cpuset=
[  436.286663]  smp_apic_timer_interrupt+0x1cb/0x760
[  436.290100] /
[  436.293300]  ? smp_reschedule_interrupt+0x109/0x650
[  436.298119]  mems_allowed=0
[  436.307771]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.313661]  ? interrupt_entry+0xb5/0xc0
[  436.317731]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.322750]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.327771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.332617]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.337642]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.342676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.347534]  apic_timer_interrupt+0xf/0x20
[  436.351765]  </IRQ>
[  436.354011] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  436.358948] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  436.377866] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  436.385596] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  436.392875] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  436.400159] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  436.407440] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  436.414728] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  436.422069]  skb_clone+0x1bb/0x500
[  436.425627]  ? finish_task_switch+0x1b4/0x910
[  436.430146]  ? skb_split+0x11e0/0x11e0
[  436.434049]  ? preempt_notifier_register+0x200/0x200
[  436.439167]  ? __switch_to_asm+0x34/0x70
[  436.443236]  ? __switch_to_asm+0x34/0x70
[  436.447302]  ? __switch_to_asm+0x40/0x70
[  436.451362]  ? __switch_to_asm+0x34/0x70
[  436.455422]  ? __switch_to_asm+0x40/0x70
[  436.459488]  ? __switch_to_asm+0x34/0x70
[  436.463549]  ? __switch_to_asm+0x40/0x70
[  436.467616]  ? __switch_to_asm+0x34/0x70
[  436.471682]  ? __switch_to_asm+0x34/0x70
[  436.475746]  ? __switch_to_asm+0x40/0x70
[  436.479809]  ? __switch_to_asm+0x34/0x70
[  436.483885]  bpf_clone_redirect+0xb9/0x490
[  436.488132]  ? __schedule+0x8d7/0x21d0
[  436.492029]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  436.497056]  ? __sched_text_start+0x8/0x8
[  436.501227]  ? find_held_lock+0x36/0x1c0
[  436.505307]  ? lock_acquire+0x1ed/0x520
[  436.509289]  ? bpf_test_run+0x3cb/0x780
[  436.513270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.518813]  ? check_preemption_disabled+0x48/0x280
[  436.523843]  ? kasan_check_read+0x11/0x20
[  436.528015]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.533300]  ? rcu_softirq_qs+0x20/0x20
[  436.537287]  ? preempt_schedule+0x4d/0x60
[  436.541438]  ? ___preempt_schedule+0x16/0x18
[  436.545867]  ? bpf_test_run+0x25d/0x780
[  436.549857]  ? netlink_diag_dump+0x2a0/0x2a0
[  436.554274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.559814]  ? bpf_test_init.isra.10+0x70/0x100
[  436.564497]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  436.569265]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  436.574111]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  436.579656]  ? fput+0x130/0x1a0
[  436.582947]  ? __bpf_prog_get+0x9b/0x290
[  436.587020]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  436.592027]  ? bpf_prog_test_run+0x130/0x1a0
[  436.596445]  ? __x64_sys_bpf+0x3d8/0x520
[  436.600516]  ? bpf_prog_get+0x20/0x20
[  436.604343]  ? do_syscall_64+0x1b9/0x820
[  436.608413]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  436.613783]  ? syscall_return_slowpath+0x5e0/0x5e0
[  436.618719]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.623745]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  436.628768]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  436.635450]  ? __switch_to_asm+0x40/0x70
[  436.639529]  ? __switch_to_asm+0x34/0x70
[  436.643607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.648478]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  436.653880] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  436.653948] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  436.660486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  436.660492] Call Trace:
[  436.660499]  <IRQ>
[  436.660522]  dump_stack+0x244/0x39d
[  436.660539]  ? dump_stack_print_info.cold.1+0x20/0x20
[  436.660565]  warn_alloc.cold.117+0xb7/0x1bd
[  436.660582]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  436.667204] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.676452]  ? lock_downgrade+0x900/0x900
[  436.679027] syz-executor1 cpuset=
[  436.681199]  ? trace_hardirqs_off+0xb8/0x310
[  436.684794] syz1
[  436.690003]  ? trace_hardirqs_off+0xb8/0x310
[  436.694306]  mems_allowed=0
[  436.699163]  __alloc_pages_slowpath+0x2660/0x2d70
[  436.735794]  ? warn_alloc+0x120/0x120
[  436.739615]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.744640]  ? warn_alloc+0x120/0x120
[  436.748462]  ? print_usage_bug+0xc0/0xc0
[  436.752542]  ? warn_alloc+0x120/0x120
[  436.756349]  ? print_usage_bug+0xc0/0xc0
[  436.760416]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.765620]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.771174]  ? should_fail+0x22d/0xd01
[  436.775076]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.780197]  ? __lock_acquire+0x62f/0x4c20
[  436.784448]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.789570]  ? should_fail+0x22d/0xd01
[  436.793482]  ? mark_held_locks+0x130/0x130
[  436.797732]  ? mark_held_locks+0x130/0x130
[  436.801976]  ? print_usage_bug+0xc0/0xc0
[  436.806054]  ? find_held_lock+0x36/0x1c0
[  436.810122]  ? zap_class+0x640/0x640
[  436.813849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.819397]  ? check_preemption_disabled+0x48/0x280
[  436.824428]  ? __lock_is_held+0xb5/0x140
[  436.828509]  __alloc_pages_nodemask+0xa80/0xde0
[  436.833192]  ? zap_class+0x640/0x640
[  436.836921]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  436.841965]  ? find_held_lock+0x36/0x1c0
[  436.846049]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.850729]  ? lock_downgrade+0x900/0x900
[  436.854890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.860437]  cache_grow_begin+0xa5/0x8c0
[  436.864510]  ? do_raw_spin_unlock+0xa7/0x330
[  436.868931]  fallback_alloc+0x204/0x2e0
[  436.872934]  ____cache_alloc_node+0x1c7/0x1e0
[  436.877450]  kmem_cache_alloc_node+0xe3/0x730
[  436.881952]  ? mark_held_locks+0xc7/0x130
[  436.886126]  __alloc_skb+0x119/0x770
[  436.889856]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.894269]  ? do_raw_spin_trylock+0x270/0x270
[  436.898856]  ? kmem_cache_alloc_trace+0x353/0x750
[  436.903719]  ? queue_work_on+0x12c/0x1e0
[  436.907796]  ? switchdev_port_obj_del+0xdc/0x440
[  436.912557]  ? switchdev_trans_item_enqueue+0x260/0x260
[  436.917930]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  436.922973]  __br_mdb_notify+0x4ff/0x15d0
[  436.927133]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.932257]  ? __br_mdb_add+0x7f0/0x7f0
[  436.936244]  ? mark_held_locks+0x130/0x130
[  436.940492]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.945607]  ? debug_object_assert_init+0x368/0x4b0
[  436.950631]  ? debug_object_init_on_stack+0x20/0x20
[  436.955656]  ? zap_class+0x640/0x640
[  436.959375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.964927]  br_mdb_notify+0x310/0x410
[  436.968834]  ? br_mdb_dump+0x27b0/0x27b0
[  436.972921]  br_multicast_del_pg+0x3df/0x790
[  436.977350]  ? br_mdb_ip_get+0x940/0x940
[  436.981424]  ? rwlock_bug.part.2+0x90/0x90
[  436.985668]  ? __lock_is_held+0xb5/0x140
[  436.989746]  br_multicast_port_group_expired+0x189/0x1e0
[  436.995218]  call_timer_fn+0x272/0x920
[  436.999114]  ? br_multicast_del_pg+0x790/0x790
[  437.003703]  ? process_timeout+0x40/0x40
[  437.007784]  ? mark_held_locks+0xc7/0x130
[  437.011941]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.016445]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.020962]  ? br_multicast_del_pg+0x790/0x790
[  437.025555]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.030147]  ? trace_hardirqs_on+0xbd/0x310
[  437.034477]  ? kasan_check_read+0x11/0x20
[  437.038633]  ? __run_timers+0x7da/0xc70
[  437.042615]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.047728]  ? br_multicast_del_pg+0x790/0x790
[  437.052324]  ? br_multicast_del_pg+0x790/0x790
[  437.056911]  __run_timers+0x7e5/0xc70
[  437.060730]  ? timer_fixup_init+0x70/0x70
[  437.064887]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  437.069912]  ? zap_class+0x640/0x640
[  437.073634]  ? print_usage_bug+0xc0/0xc0
[  437.077705]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  437.082909]  ? find_held_lock+0x36/0x1c0
[  437.086984]  ? zap_class+0x640/0x640
[  437.090712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.096254]  ? check_preemption_disabled+0x48/0x280
[  437.101289]  ? __lock_is_held+0xb5/0x140
[  437.105355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.110898]  ? check_preemption_disabled+0x48/0x280
[  437.115932]  run_timer_softirq+0x52/0xb0
[  437.120009]  ? rcu_read_lock_sched_held+0x14f/0x180
[  437.125035]  __do_softirq+0x308/0xb7e
[  437.128844]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  437.133345]  ? lock_downgrade+0x900/0x900
[  437.137503]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  437.142618]  ? pvclock_read_flags+0x160/0x160
[  437.147124]  ? lapic_next_event+0x5a/0x90
[  437.151279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.156827]  ? kvm_clock_read+0x18/0x30
[  437.160809]  ? kvm_sched_clock_read+0x9/0x20
[  437.165224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.170766]  ? check_preemption_disabled+0x48/0x280
[  437.175801]  irq_exit+0x17f/0x1c0
[  437.179267]  smp_apic_timer_interrupt+0x1cb/0x760
[  437.184119]  ? smp_call_function_single_interrupt+0x650/0x650
[  437.190014]  ? interrupt_entry+0xb5/0xc0
[  437.194088]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.199106]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.204129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.208984]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.214004]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.219022]  ? task_prio+0x50/0x50
[  437.222570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.228119]  ? check_preemption_disabled+0x48/0x280
[  437.233178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.238037]  apic_timer_interrupt+0xf/0x20
[  437.242272]  </IRQ>
[  437.244517] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  437.249627] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  437.268541] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  437.276262] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  437.283553] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  437.290828] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  437.298103] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  437.305379] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  437.312693]  shrink_active_list+0x67b/0x1c20
[  437.317107]  ? free_unref_page_list+0xd1b/0x11e0
[  437.322078]  ? shrink_inactive_list+0xa4a/0x1c60
[  437.326843]  ? zap_class+0x60f/0x640
[  437.330563]  ? shrink_inactive_list+0x1c60/0x1c60
[  437.335418]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.339939]  ? find_held_lock+0x36/0x1c0
[  437.344015]  ? __page_frag_cache_drain+0x200/0x200
[  437.348951]  ? print_usage_bug+0xc0/0xc0
[  437.353040]  ? find_held_lock+0x36/0x1c0
[  437.357114]  ? zap_class+0x640/0x640
[  437.360837]  ? mark_held_locks+0xc7/0x130
[  437.364999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.370544]  ? check_preemption_disabled+0x48/0x280
[  437.375574]  ? zap_class+0x640/0x640
[  437.379295]  ? __lock_is_held+0xb5/0x140
[  437.383367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.388910]  ? check_preemption_disabled+0x48/0x280
[  437.393948]  ? __lock_is_held+0xb5/0x140
[  437.398040]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  437.403065]  ? inactive_list_is_low+0x305/0x880
[  437.407754]  ? lruvec_lru_size+0x450/0x450
[  437.411998]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.416938]  ? rcu_softirq_qs+0x20/0x20
[  437.420929]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  437.425879]  shrink_node_memcg+0x803/0x18f0
[  437.430229]  ? shrink_active_list+0x1c20/0x1c20
[  437.434912]  ? lock_downgrade+0x900/0x900
[  437.439070]  ? check_flush_dependency+0x410/0x410
[  437.443926]  ? kasan_check_read+0x11/0x20
[  437.448102]  ? ___preempt_schedule+0x16/0x18
[  437.452530]  ? _raw_spin_unlock+0x3f/0x50
[  437.456692]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  437.461893]  shrink_node+0x3bc/0x16b0
[  437.465706]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  437.471020]  ? shrink_node_memcg+0x18f0/0x18f0
[  437.475604]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.480356]  ? trace_hardirqs_on+0xbd/0x310
[  437.484672]  ? vmpressure+0x271/0x340
[  437.488487]  ? do_raw_spin_trylock+0x270/0x270
[  437.493085]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  437.498630]  ? __cpuset_node_allowed+0x19b/0x660
[  437.503393]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  437.509111]  ? vmpressure+0x1a2/0x340
[  437.512923]  do_try_to_free_pages+0x3e7/0x1290
[  437.517512]  ? zap_class+0x640/0x640
[  437.521249]  ? shrink_node+0x16b0/0x16b0
[  437.525316]  ? __lock_is_held+0xb5/0x140
[  437.529396]  try_to_free_pages+0x4d0/0xb90
[  437.533642]  ? do_try_to_free_pages+0x1290/0x1290
[  437.538491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.544045]  ? lock_acquire+0x1ed/0x520
[  437.548023]  ? set_page_refcounted+0x280/0x280
[  437.552623]  ? lock_release+0xa00/0xa00
[  437.556614]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.562080]  __alloc_pages_slowpath+0x9c4/0x2d70
[  437.566872]  ? warn_alloc+0x120/0x120
[  437.570687]  ? rcu_softirq_qs+0x20/0x20
[  437.574706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.580268]  ? should_fail+0x22d/0xd01
[  437.584174]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.589298]  ? zap_class+0x640/0x640
[  437.593045]  ? __lock_is_held+0xb5/0x140
[  437.597121]  ? mark_held_locks+0x130/0x130
[  437.601368]  ? lock_release+0xa00/0xa00
[  437.605351]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.610819]  ? __might_sleep+0x95/0x190
[  437.614806]  __alloc_pages_nodemask+0xa80/0xde0
[  437.619489]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  437.624513]  ? __page_cache_alloc+0x191/0x5c0
[  437.629012]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.633946]  ? kasan_check_read+0x11/0x20
[  437.638112]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.643405]  ? zap_class+0x640/0x640
[  437.647130]  ? zap_class+0x640/0x640
[  437.650846]  ? zap_class+0x640/0x640
[  437.654565]  ? __do_page_cache_readahead+0x7ce/0x980
[  437.659677]  ? find_held_lock+0x36/0x1c0
[  437.663752]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  437.669300]  alloc_pages_current+0x173/0x350
[  437.673725]  __page_cache_alloc+0x38c/0x5c0
[  437.678051]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.682987]  ? kasan_check_read+0x11/0x20
[  437.687140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.692425]  ? generic_perform_write+0x6a0/0x6a0
[  437.697182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.702726]  ? check_preemption_disabled+0x48/0x280
[  437.707763]  filemap_fault+0x1594/0x25f0
[  437.711840]  ? __lock_page_or_retry+0xa00/0xa00
[  437.716516]  ? mark_held_locks+0x130/0x130
[  437.720755]  ? rcu_softirq_qs+0x20/0x20
[  437.724748]  ? filemap_map_pages+0xe04/0x1990
[  437.729258]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.733846]  ? __free_object+0x173/0x340
[  437.737909]  ? debug_object_free+0x36f/0x690
[  437.742328]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  437.747269]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.752383]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  437.757064]  ? queue_work_on+0x12c/0x1e0
[  437.761134]  ? debug_object_free+0x36f/0x690
[  437.765546]  ? kasan_check_read+0x11/0x20
[  437.769698]  ? debug_object_destroy+0x2b0/0x2b0
[  437.774377]  ? lock_pi_update_atomic+0x150/0x150
[  437.779139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.784687]  ? __hrtimer_init+0xdb/0x240
[  437.788768]  ? lock_acquire+0x1ed/0x520
[  437.792751]  ? ext4_filemap_fault+0x7a/0xad
[  437.797088]  ? lock_release+0xa00/0xa00
[  437.801067]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.806524]  ? print_usage_bug+0xc0/0xc0
[  437.810597]  ? print_usage_bug+0xc0/0xc0
[  437.814673]  ? down_read+0x8d/0x120
[  437.818307]  ? ext4_filemap_fault+0x7a/0xad
[  437.822634]  ? __down_interruptible+0x700/0x700
[  437.827320]  ext4_filemap_fault+0x82/0xad
[  437.831477]  __do_fault+0x100/0x6b0
[  437.835118]  ? pmd_devmap_trans_unstable+0x220/0x220
[  437.840259]  ? mark_held_locks+0x130/0x130
[  437.844502]  ? mark_held_locks+0x130/0x130
[  437.848753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.854302]  __handle_mm_fault+0x307c/0x5920
[  437.858714]  ? perf_trace_lock+0x7a0/0x7a0
[  437.862969]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  437.867832]  ? __switch_to_asm+0x34/0x70
[  437.871896]  ? __switch_to_asm+0x34/0x70
[  437.875980]  ? zap_class+0x640/0x640
[  437.879697]  ? zap_class+0x640/0x640
[  437.883425]  ? __x64_sys_futex+0x53e/0x6a0
[  437.887670]  ? find_held_lock+0x36/0x1c0
[  437.891744]  ? handle_mm_fault+0x42a/0xc70
[  437.895990]  ? lock_downgrade+0x900/0x900
[  437.900142]  ? check_preemption_disabled+0x48/0x280
[  437.905433]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.910365]  ? kasan_check_read+0x11/0x20
[  437.914523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.919807]  ? rcu_softirq_qs+0x20/0x20
[  437.923784]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.928892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.934436]  ? check_preemption_disabled+0x48/0x280
[  437.939467]  handle_mm_fault+0x54f/0xc70
[  437.943543]  ? __handle_mm_fault+0x5920/0x5920
[  437.948138]  ? find_vma+0x34/0x190
[  437.951688]  __do_page_fault+0x5e8/0xe60
[  437.955751]  ? trace_hardirqs_off+0xb8/0x310
[  437.960178]  do_page_fault+0xf2/0x7e0
[  437.963994]  ? vmalloc_sync_all+0x30/0x30
[  437.968148]  ? error_entry+0x70/0xd0
[  437.971867]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.976883]  ? trace_hardirqs_on_caller+0xc0/0x310
[  437.981817]  ? syscall_return_slowpath+0x5e0/0x5e0
[  437.986756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.991606]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.996646]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  438.002107]  ? prepare_exit_to_usermode+0x291/0x3b0
[  438.007132]  ? page_fault+0x8/0x30
[  438.010680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.015542]  ? page_fault+0x8/0x30
[  438.019088]  page_fault+0x1e/0x30
[  438.022546] RIP: 0033:0x45ddf3
[  438.025754] Code: Bad RIP value.
[  438.029125] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  438.034492] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  438.041765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  438.049045] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  438.056314] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  438.063583] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  438.070879] warn_alloc_show_mem: 1 callbacks suppressed
[  438.070892] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  438.070894] Mem-Info:
[  438.070925] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  438.070925]  active_file:15 inactive_file:12 isolated_file:0
[  438.070925]  unevictable:0 dirty:0 writeback:0 unstable:0
[  438.070925]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  438.070925]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  438.070925]  free:13694 free_pcp:0 free_cma:0
[  438.076275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  438.083212] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  438.085618] Call Trace:
[  438.118493] Node 0 
[  438.127850]  <IRQ>
[  438.155541] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  438.158108]  dump_stack+0x244/0x39d
[  438.160321] lowmem_reserve[]:
[  438.162479]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.187966]  0
[  438.191604]  warn_alloc.cold.117+0xb7/0x1bd
[  438.194676]  2819
[  438.199863]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.201652]  6323
[  438.205981]  ? lock_downgrade+0x900/0x900
[  438.208054]  6323
[  438.212905]  ? trace_hardirqs_off+0xb8/0x310
[  438.219098]  ? trace_hardirqs_off+0xb8/0x310
[  438.221147] Node 0 
[  438.225567]  __alloc_pages_slowpath+0x2660/0x2d70
[  438.229981] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  438.232216]  ? warn_alloc+0x120/0x120
[  438.237020] lowmem_reserve[]:
[  438.263749]  ? warn_alloc+0x120/0x120
[  438.267529]  0
[  438.270635]  ? print_usage_bug+0xc0/0xc0
[  438.274407]  0 3503
[  438.276214]  ? warn_alloc+0x120/0x120
[  438.280257]  3503
[  438.282496]  ? print_usage_bug+0xc0/0xc0
[  438.288335]  ? __lock_acquire+0x62f/0x4c20
[  438.292378] Node 0 
[  438.296607]  ? __lock_acquire+0x62f/0x4c20
[  438.296644] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  438.298859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.303065] lowmem_reserve[]: 0
[  438.331187]  ? should_fail+0x22d/0xd01
[  438.336706]  0
[  438.339990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.343854]  0
[  438.345659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.350906]  0
[  438.352720]  ? __lock_acquire+0x62f/0x4c20
[  438.357802] Node 0 
[  438.359608]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.363819] DMA: 
[  438.366059]  ? __lock_acquire+0x62f/0x4c20
[  438.371140] 1*4kB 
[  438.373210]  ? should_fail+0x22d/0xd01
[  438.377421] (U) 
[  438.379572]  ? rcu_irq_exit+0x1a2/0x390
[  438.383440] 0*8kB 
[  438.385424]  ? mark_held_locks+0x130/0x130
[  438.389378] 0*16kB 
[  438.391530]  ? mark_held_locks+0x130/0x130
[  438.395748] 1*32kB 
[  438.397986]  ? mark_held_locks+0xc7/0x130
[  438.402194] (U) 2*64kB 
[  438.404445]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  438.408570] (U) 
[  438.411156]  ? zap_class+0x640/0x640
[  438.416152] 1*128kB (U) 
[  438.418163]  ? print_usage_bug+0xc0/0xc0
[  438.421859] 1*256kB 
[  438.424532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.428574] (U) 
[  438.430901]  ? check_preemption_disabled+0x48/0x280
[  438.436420] 0*512kB 
[  438.438402]  ? __lock_is_held+0xb5/0x140
[  438.443396] 1*1024kB 
[  438.445721]  __alloc_pages_nodemask+0xa80/0xde0
[  438.449762] (U) 
[  438.452176]  ? zap_class+0x640/0x640
[  438.456817] 1*2048kB 
[  438.458792]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  438.462485] (M) 
[  438.464914]  ? find_held_lock+0x36/0x1c0
[  438.469912] 3*4096kB 
[  438.471893]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.475929] (M) 
[  438.478338]  ? lock_downgrade+0x900/0x900
[  438.482987] = 15908kB
[  438.484963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.489091] Node 0 
[  438.491502]  cache_grow_begin+0xa5/0x8c0
[  438.497017] DMA32: 
[  438.499255]  ? do_raw_spin_unlock+0xa7/0x330
[  438.503294] 2*4kB 
[  438.505534]  fallback_alloc+0x204/0x2e0
[  438.509919] (M) 
[  438.512070]  ____cache_alloc_node+0x1c7/0x1e0
[  438.516025] 3*8kB 
[  438.517998]  kmem_cache_alloc_node+0xe3/0x730
[  438.522472] (UM) 
[  438.524623]  ? ipv6_get_ifaddr+0x42e/0x620
[  438.529100] 3*16kB 
[  438.531176]  __alloc_skb+0x119/0x770
[  438.535376] (UM) 
[  438.537619]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.541307] 4*32kB 
[  438.543363]  ? netdev_alloc_frag+0x1f0/0x1f0
[  438.548625] (UM) 
[  438.550858]  ? lock_downgrade+0x900/0x900
[  438.555245] 5*64kB 
[  438.557310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.561431] (UM) 
[  438.563667]  ? refcount_sub_and_test_checked+0x203/0x310
[  438.569172] 4*128kB (M) 
[  438.571244]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  438.576670] 5*256kB 
[  438.579338]  ? addrconf_rs_timer+0x690/0x690
[  438.584770] (UM) 
[  438.587099]  ndisc_alloc_skb+0x144/0x340
[  438.591920] 5*512kB (UM) 
[  438.593996]  ndisc_send_rs+0x331/0x6e0
[  438.598038] 4*1024kB 
[  438.600795]  addrconf_rs_timer+0x314/0x690
[  438.604660] (UM) 
[  438.607067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.611282] 2*2048kB 
[  438.613378]  call_timer_fn+0x272/0x920
[  438.617593] (M) 
[  438.620025]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.623898] 3*4096kB 
[  438.625873]  ? process_timeout+0x40/0x40
[  438.630086] (M) 
[  438.632498]  ? __run_timers+0x7da/0xc70
[  438.636534] = 25360kB
[  438.638511]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.642469] Node 0 
[  438.644880]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.649352] Normal: 
[  438.651589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.656062] 783*4kB 
[  438.658388]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.662606] (UMEH) 
[  438.664929]  ? trace_hardirqs_on+0xbd/0x310
[  438.669491] 379*8kB 
[  438.671729]  ? kasan_check_read+0x11/0x20
[  438.676028] (MEH) 
[  438.678353]  ? __run_timers+0x7da/0xc70
[  438.682478] 205*16kB 
[  438.684629]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.688582] (UMEH) 
[  438.690996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.696076] 93*32kB 
[  438.698314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.702527] (UMEH) 
[  438.704854]  __run_timers+0x7e5/0xc70
[  438.709057] 24*64kB (UMH) 
[  438.711317]  ? timer_fixup_init+0x70/0x70
[  438.715086] 1*128kB 
[  438.717929]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.722054] (H) 
[  438.724375]  ? zap_class+0x640/0x640
[  438.729369] 0*256kB 
[  438.731349]  ? enqueue_hrtimer+0x1a5/0x560
[  438.735037] 0*512kB 
[  438.737359]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  438.741562] 0*1024kB 0*2048kB 
[  438.743893]  ? find_held_lock+0x36/0x1c0
[  438.749061] 0*4096kB 
[  438.752257]  ? zap_class+0x640/0x640
[  438.756298] = 14084kB
[  438.758713]  ? pvclock_read_flags+0x160/0x160
[  438.762406] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  438.764813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.769292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  438.778121]  ? check_preemption_disabled+0x48/0x280
[  438.783639] 1070 total pagecache pages
[  438.792215]  ? __lock_is_held+0xb5/0x140
[  438.797212] 0 pages in swap cache
[  438.801105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.805134] Swap cache stats: add 0, delete 0, find 0/0
[  438.808586]  ? check_preemption_disabled+0x48/0x280
[  438.814100] Free swap  = 0kB
[  438.819469]  run_timer_softirq+0x52/0xb0
[  438.824455] Total swap = 0kB
[  438.827477]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.831514] 1965979 pages RAM
[  438.834530]  __do_softirq+0x308/0xb7e
[  438.839520] 0 pages HighMem/MovableOnly
[  438.839529] 342293 pages reserved
[  438.842634]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  438.846416] 0 pages cma reserved
[  438.850387]  ? lock_downgrade+0x900/0x900
[  438.853974] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.858316]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.861660] syz-fuzzer cpuset=
[  438.865810]  ? pvclock_read_flags+0x160/0x160
[  438.876009] /
[  438.881115]  ? lapic_next_event+0x5a/0x90
[  438.884283]  mems_allowed=0
[  438.897551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.903102]  ? kvm_clock_read+0x18/0x30
[  438.907077]  ? kvm_sched_clock_read+0x9/0x20
[  438.911496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.917034]  ? check_preemption_disabled+0x48/0x280
[  438.922064]  irq_exit+0x17f/0x1c0
[  438.925524]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.930368]  ? smp_reschedule_interrupt+0x109/0x650
[  438.935387]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.941276]  ? interrupt_entry+0xb5/0xc0
[  438.945339]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.950357]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.955377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.960222]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.965242]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.970276]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.975132]  apic_timer_interrupt+0xf/0x20
[  438.979364]  </IRQ>
[  438.981608] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  438.986540] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  439.005464] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  439.013177] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  439.020444] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  439.027716] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  439.034999] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  439.042271] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  439.049587]  skb_clone+0x1bb/0x500
[  439.053132]  ? finish_task_switch+0x1b4/0x910
[  439.057630]  ? skb_split+0x11e0/0x11e0
[  439.061522]  ? preempt_notifier_register+0x200/0x200
[  439.066624]  ? __switch_to_asm+0x34/0x70
[  439.070689]  ? __switch_to_asm+0x34/0x70
[  439.074748]  ? __switch_to_asm+0x40/0x70
[  439.078810]  ? __switch_to_asm+0x34/0x70
[  439.082870]  ? __switch_to_asm+0x40/0x70
[  439.086928]  ? __switch_to_asm+0x34/0x70
[  439.090986]  ? __switch_to_asm+0x40/0x70
[  439.095048]  ? __switch_to_asm+0x34/0x70
[  439.099111]  ? __switch_to_asm+0x34/0x70
[  439.103175]  ? __switch_to_asm+0x40/0x70
[  439.107238]  ? __switch_to_asm+0x34/0x70
[  439.111310]  bpf_clone_redirect+0xb9/0x490
[  439.115554]  ? __schedule+0x8d7/0x21d0
[  439.119448]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  439.124483]  ? __sched_text_start+0x8/0x8
[  439.128649]  ? find_held_lock+0x36/0x1c0
[  439.132720]  ? lock_acquire+0x1ed/0x520
[  439.136695]  ? bpf_test_run+0x3cb/0x780
[  439.140671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.146211]  ? check_preemption_disabled+0x48/0x280
[  439.151408]  ? kasan_check_read+0x11/0x20
[  439.155565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.160847]  ? rcu_softirq_qs+0x20/0x20
[  439.164829]  ? preempt_schedule+0x4d/0x60
[  439.168990]  ? ___preempt_schedule+0x16/0x18
[  439.173414]  ? bpf_test_run+0x25d/0x780
[  439.177403]  ? netlink_diag_dump+0x2a0/0x2a0
[  439.181823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.187362]  ? bpf_test_init.isra.10+0x70/0x100
[  439.192042]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  439.196809]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  439.201651]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  439.207192]  ? fput+0x130/0x1a0
[  439.210486]  ? __bpf_prog_get+0x9b/0x290
[  439.214555]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  439.219399]  ? bpf_prog_test_run+0x130/0x1a0
[  439.223820]  ? __x64_sys_bpf+0x3d8/0x520
[  439.227882]  ? bpf_prog_get+0x20/0x20
[  439.231712]  ? do_syscall_64+0x1b9/0x820
[  439.235774]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  439.241142]  ? syscall_return_slowpath+0x5e0/0x5e0
[  439.246075]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.251098]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  439.256119]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  439.262793]  ? __switch_to_asm+0x40/0x70
[  439.266854]  ? __switch_to_asm+0x34/0x70
[  439.270923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.275774]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  439.281159] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  439.281229] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  439.287752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.287757] Call Trace:
[  439.287764]  <IRQ>
[  439.287782]  dump_stack+0x244/0x39d
[  439.287801]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.294364] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.303643]  warn_alloc.cold.117+0xb7/0x1bd
[  439.306200] syz-executor1 cpuset=
[  439.308353]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.311973] syz1
[  439.317162]  ? lock_downgrade+0x900/0x900
[  439.327629]  mems_allowed=0
[  439.331949]  ? trace_hardirqs_off+0xb8/0x310
[  439.353641]  ? trace_hardirqs_off+0xb8/0x310
[  439.358061]  __alloc_pages_slowpath+0x2660/0x2d70
[  439.362935]  ? warn_alloc+0x120/0x120
[  439.366743]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  439.371765]  ? warn_alloc+0x120/0x120
[  439.375572]  ? print_usage_bug+0xc0/0xc0
[  439.379637]  ? warn_alloc+0x120/0x120
[  439.383439]  ? print_usage_bug+0xc0/0xc0
[  439.387503]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  439.393576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.399137]  ? should_fail+0x22d/0xd01
[  439.403050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.408182]  ? __lock_acquire+0x62f/0x4c20
[  439.412438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.417559]  ? should_fail+0x22d/0xd01
[  439.421467]  ? mark_held_locks+0x130/0x130
[  439.425717]  ? mark_held_locks+0x130/0x130
[  439.429963]  ? print_usage_bug+0xc0/0xc0
[  439.434031]  ? find_held_lock+0x36/0x1c0
[  439.438097]  ? zap_class+0x640/0x640
[  439.441819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.447363]  ? check_preemption_disabled+0x48/0x280
[  439.452400]  ? __lock_is_held+0xb5/0x140
[  439.456474]  __alloc_pages_nodemask+0xa80/0xde0
[  439.461152]  ? zap_class+0x640/0x640
[  439.464885]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  439.469919]  ? find_held_lock+0x36/0x1c0
[  439.473998]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.478675]  ? lock_downgrade+0x900/0x900
[  439.483134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.488682]  cache_grow_begin+0xa5/0x8c0
[  439.492753]  ? do_raw_spin_unlock+0xa7/0x330
[  439.497176]  fallback_alloc+0x204/0x2e0
[  439.501164]  ____cache_alloc_node+0x1c7/0x1e0
[  439.505668]  kmem_cache_alloc_node+0xe3/0x730
[  439.510168]  ? mark_held_locks+0xc7/0x130
[  439.514334]  __alloc_skb+0x119/0x770
[  439.518059]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.522474]  ? do_raw_spin_trylock+0x270/0x270
[  439.527063]  ? kmem_cache_alloc_trace+0x353/0x750
[  439.531920]  ? queue_work_on+0x12c/0x1e0
[  439.535998]  ? switchdev_port_obj_del+0xdc/0x440
[  439.540764]  ? switchdev_trans_item_enqueue+0x260/0x260
[  439.546136]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  439.551168]  __br_mdb_notify+0x4ff/0x15d0
[  439.555323]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.560443]  ? __br_mdb_add+0x7f0/0x7f0
[  439.564431]  ? mark_held_locks+0x130/0x130
[  439.568678]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.573787]  ? debug_object_assert_init+0x368/0x4b0
[  439.578807]  ? debug_object_init_on_stack+0x20/0x20
[  439.583821]  ? zap_class+0x640/0x640
[  439.587541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.593091]  br_mdb_notify+0x310/0x410
[  439.596987]  ? br_mdb_dump+0x27b0/0x27b0
[  439.601074]  br_multicast_del_pg+0x3df/0x790
[  439.605493]  ? br_mdb_ip_get+0x940/0x940
[  439.609566]  ? rwlock_bug.part.2+0x90/0x90
[  439.613806]  ? __lock_is_held+0xb5/0x140
[  439.617881]  br_multicast_port_group_expired+0x189/0x1e0
[  439.623342]  call_timer_fn+0x272/0x920
[  439.627236]  ? br_multicast_del_pg+0x790/0x790
[  439.631825]  ? process_timeout+0x40/0x40
[  439.635898]  ? mark_held_locks+0xc7/0x130
[  439.640052]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.644551]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.649048]  ? br_multicast_del_pg+0x790/0x790
[  439.653639]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.658224]  ? trace_hardirqs_on+0xbd/0x310
[  439.662545]  ? kasan_check_read+0x11/0x20
[  439.666717]  ? __run_timers+0x7da/0xc70
[  439.670698]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.675807]  ? br_multicast_del_pg+0x790/0x790
[  439.680397]  ? br_multicast_del_pg+0x790/0x790
[  439.684986]  __run_timers+0x7e5/0xc70
[  439.688805]  ? timer_fixup_init+0x70/0x70
[  439.692963]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  439.697990]  ? zap_class+0x640/0x640
[  439.701713]  ? print_usage_bug+0xc0/0xc0
[  439.705779]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  439.710988]  ? find_held_lock+0x36/0x1c0
[  439.715062]  ? zap_class+0x640/0x640
[  439.718787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.724327]  ? check_preemption_disabled+0x48/0x280
[  439.729353]  ? __lock_is_held+0xb5/0x140
[  439.733417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.738956]  ? check_preemption_disabled+0x48/0x280
[  439.743995]  run_timer_softirq+0x52/0xb0
[  439.748078]  ? rcu_read_lock_sched_held+0x14f/0x180
[  439.753106]  __do_softirq+0x308/0xb7e
[  439.756913]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  439.761407]  ? lock_downgrade+0x900/0x900
[  439.765563]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  439.770677]  ? pvclock_read_flags+0x160/0x160
[  439.775180]  ? lapic_next_event+0x5a/0x90
[  439.779337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.784887]  ? kvm_clock_read+0x18/0x30
[  439.788865]  ? kvm_sched_clock_read+0x9/0x20
[  439.793275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.798814]  ? check_preemption_disabled+0x48/0x280
[  439.803844]  irq_exit+0x17f/0x1c0
[  439.807312]  smp_apic_timer_interrupt+0x1cb/0x760
[  439.812162]  ? smp_call_function_single_interrupt+0x650/0x650
[  439.818050]  ? interrupt_entry+0xb5/0xc0
[  439.822112]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.827127]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.832144]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.836997]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.842012]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.847027]  ? task_prio+0x50/0x50
[  439.850570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.856112]  ? check_preemption_disabled+0x48/0x280
[  439.861136]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.865999]  apic_timer_interrupt+0xf/0x20
[  439.870236]  </IRQ>
[  439.872480] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  439.877589] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  439.896495] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  439.904210] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  439.911488] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  439.918759] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  439.926032] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  439.933301] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  439.940605]  shrink_active_list+0x67b/0x1c20
[  439.945016]  ? free_unref_page_list+0xd1b/0x11e0
[  439.949782]  ? shrink_inactive_list+0xa4a/0x1c60
[  439.954541]  ? zap_class+0x60f/0x640
[  439.958260]  ? shrink_inactive_list+0x1c60/0x1c60
[  439.963153]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.967670]  ? find_held_lock+0x36/0x1c0
[  439.971735]  ? __page_frag_cache_drain+0x200/0x200
[  439.976662]  ? print_usage_bug+0xc0/0xc0
[  439.980742]  ? find_held_lock+0x36/0x1c0
[  439.984809]  ? zap_class+0x640/0x640
[  439.988531]  ? mark_held_locks+0xc7/0x130
[  439.992685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.998229]  ? check_preemption_disabled+0x48/0x280
[  440.003260]  ? zap_class+0x640/0x640
[  440.006982]  ? __lock_is_held+0xb5/0x140
[  440.011058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.016599]  ? check_preemption_disabled+0x48/0x280
[  440.021638]  ? __lock_is_held+0xb5/0x140
[  440.025717]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  440.030738]  ? inactive_list_is_low+0x305/0x880
[  440.035424]  ? lruvec_lru_size+0x450/0x450
[  440.039665]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.044603]  ? rcu_softirq_qs+0x20/0x20
[  440.048589]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  440.053535]  shrink_node_memcg+0x803/0x18f0
[  440.057883]  ? shrink_active_list+0x1c20/0x1c20
[  440.062567]  ? lock_downgrade+0x900/0x900
[  440.066726]  ? check_flush_dependency+0x410/0x410
[  440.071585]  ? kasan_check_read+0x11/0x20
[  440.075759]  ? ___preempt_schedule+0x16/0x18
[  440.080207]  ? _raw_spin_unlock+0x3f/0x50
[  440.084364]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  440.089565]  shrink_node+0x3bc/0x16b0
[  440.093375]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  440.098684]  ? shrink_node_memcg+0x18f0/0x18f0
[  440.103271]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.107857]  ? trace_hardirqs_on+0xbd/0x310
[  440.112178]  ? vmpressure+0x271/0x340
[  440.115996]  ? do_raw_spin_trylock+0x270/0x270
[  440.120587]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  440.126131]  ? __cpuset_node_allowed+0x19b/0x660
[  440.130896]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  440.136613]  ? vmpressure+0x1a2/0x340
[  440.140425]  do_try_to_free_pages+0x3e7/0x1290
[  440.145007]  ? zap_class+0x640/0x640
[  440.148739]  ? shrink_node+0x16b0/0x16b0
[  440.152805]  ? __lock_is_held+0xb5/0x140
[  440.156898]  try_to_free_pages+0x4d0/0xb90
[  440.161150]  ? do_try_to_free_pages+0x1290/0x1290
[  440.165998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.171552]  ? lock_acquire+0x1ed/0x520
[  440.175532]  ? set_page_refcounted+0x280/0x280
[  440.180124]  ? lock_release+0xa00/0xa00
[  440.184110]  ? perf_trace_sched_process_exec+0x860/0x860
[  440.189576]  __alloc_pages_slowpath+0x9c4/0x2d70
[  440.194366]  ? warn_alloc+0x120/0x120
[  440.198170]  ? rcu_softirq_qs+0x20/0x20
[  440.202181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.207733]  ? should_fail+0x22d/0xd01
[  440.211629]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.216739]  ? zap_class+0x640/0x640
[  440.220478]  ? __lock_is_held+0xb5/0x140
[  440.224562]  ? mark_held_locks+0x130/0x130
[  440.228801]  ? lock_release+0xa00/0xa00
[  440.232778]  ? perf_trace_sched_process_exec+0x860/0x860
[  440.238243]  ? __might_sleep+0x95/0x190
[  440.242230]  __alloc_pages_nodemask+0xa80/0xde0
[  440.246913]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  440.251933]  ? __page_cache_alloc+0x191/0x5c0
[  440.256433]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.261366]  ? kasan_check_read+0x11/0x20
[  440.265516]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.270799]  ? zap_class+0x640/0x640
[  440.274545]  ? zap_class+0x640/0x640
[  440.278260]  ? zap_class+0x640/0x640
[  440.281982]  ? __do_page_cache_readahead+0x7ce/0x980
[  440.287096]  ? find_held_lock+0x36/0x1c0
[  440.291164]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  440.296715]  alloc_pages_current+0x173/0x350
[  440.301133]  __page_cache_alloc+0x38c/0x5c0
[  440.305454]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.310387]  ? kasan_check_read+0x11/0x20
[  440.314539]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.319819]  ? generic_perform_write+0x6a0/0x6a0
[  440.324575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.330116]  ? check_preemption_disabled+0x48/0x280
[  440.335144]  filemap_fault+0x1594/0x25f0
[  440.339220]  ? __lock_page_or_retry+0xa00/0xa00
[  440.343896]  ? mark_held_locks+0x130/0x130
[  440.348133]  ? rcu_softirq_qs+0x20/0x20
[  440.352122]  ? filemap_map_pages+0xe04/0x1990
[  440.356627]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.361217]  ? __free_object+0x173/0x340
[  440.365277]  ? debug_object_free+0x36f/0x690
[  440.369690]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  440.374622]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.380169]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  440.384848]  ? queue_work_on+0x12c/0x1e0
[  440.388921]  ? debug_object_free+0x36f/0x690
[  440.393332]  ? kasan_check_read+0x11/0x20
[  440.397515]  ? debug_object_destroy+0x2b0/0x2b0
[  440.402187]  ? lock_pi_update_atomic+0x150/0x150
[  440.406944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.412492]  ? __hrtimer_init+0xdb/0x240
[  440.416569]  ? lock_acquire+0x1ed/0x520
[  440.420549]  ? ext4_filemap_fault+0x7a/0xad
[  440.424877]  ? lock_release+0xa00/0xa00
[  440.428856]  ? perf_trace_sched_process_exec+0x860/0x860
[  440.434308]  ? print_usage_bug+0xc0/0xc0
[  440.438395]  ? print_usage_bug+0xc0/0xc0
[  440.442471]  ? down_read+0x8d/0x120
[  440.446100]  ? ext4_filemap_fault+0x7a/0xad
[  440.450427]  ? __down_interruptible+0x700/0x700
[  440.455111]  ext4_filemap_fault+0x82/0xad
[  440.459271]  __do_fault+0x100/0x6b0
[  440.462905]  ? pmd_devmap_trans_unstable+0x220/0x220
[  440.468013]  ? mark_held_locks+0x130/0x130
[  440.472252]  ? mark_held_locks+0x130/0x130
[  440.476502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.482049]  __handle_mm_fault+0x307c/0x5920
[  440.486474]  ? perf_trace_lock+0x7a0/0x7a0
[  440.490723]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  440.495580]  ? __switch_to_asm+0x34/0x70
[  440.499644]  ? __switch_to_asm+0x34/0x70
[  440.503725]  ? zap_class+0x640/0x640
[  440.507440]  ? zap_class+0x640/0x640
[  440.511160]  ? __x64_sys_futex+0x53e/0x6a0
[  440.515401]  ? find_held_lock+0x36/0x1c0
[  440.519475]  ? handle_mm_fault+0x42a/0xc70
[  440.523720]  ? lock_downgrade+0x900/0x900
[  440.527870]  ? check_preemption_disabled+0x48/0x280
[  440.532892]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.537821]  ? kasan_check_read+0x11/0x20
[  440.541984]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.547282]  ? rcu_softirq_qs+0x20/0x20
[  440.551262]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.556371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.561909]  ? check_preemption_disabled+0x48/0x280
[  440.566936]  handle_mm_fault+0x54f/0xc70
[  440.571005]  ? __handle_mm_fault+0x5920/0x5920
[  440.575598]  ? find_vma+0x34/0x190
[  440.579149]  __do_page_fault+0x5e8/0xe60
[  440.583214]  ? trace_hardirqs_off+0xb8/0x310
[  440.588037]  do_page_fault+0xf2/0x7e0
[  440.591843]  ? vmalloc_sync_all+0x30/0x30
[  440.596000]  ? error_entry+0x70/0xd0
[  440.599719]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.604739]  ? trace_hardirqs_on_caller+0xc0/0x310
[  440.609669]  ? syscall_return_slowpath+0x5e0/0x5e0
[  440.614599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.619446]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.624463]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  440.629922]  ? prepare_exit_to_usermode+0x291/0x3b0
[  440.634945]  ? page_fault+0x8/0x30
[  440.638498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.643349]  ? page_fault+0x8/0x30
[  440.646891]  page_fault+0x1e/0x30
[  440.650348] RIP: 0033:0x45ddf3
[  440.653553] Code: Bad RIP value.
[  440.656915] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  440.662281] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  440.669550] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  440.676817] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  440.684084] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  440.691353] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  440.698644] warn_alloc_show_mem: 1 callbacks suppressed
[  440.698656] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  440.698658] Mem-Info:
[  440.698688] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  440.698688]  active_file:15 inactive_file:12 isolated_file:0
[  440.698688]  unevictable:0 dirty:0 writeback:0 unstable:0
[  440.698688]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  440.698688]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  440.698688]  free:13694 free_pcp:0 free_cma:0
[  440.704033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.710988] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  440.713392] Call Trace:
[  440.746265] Node 0 
[  440.755618]  <IRQ>
[  440.783311] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  440.785900]  dump_stack+0x244/0x39d
[  440.788109] lowmem_reserve[]: 0
[  440.790270]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.815845]  2819
[  440.819494]  warn_alloc.cold.117+0xb7/0x1bd
[  440.822746]  6323
[  440.827935]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.829993]  6323
[  440.834312]  ? lock_downgrade+0x900/0x900
[  440.841196]  ? trace_hardirqs_off+0xb8/0x310
[  440.843236] Node 0 
[  440.847382]  ? trace_hardirqs_off+0xb8/0x310
[  440.851795] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  440.854009]  __alloc_pages_slowpath+0x2660/0x2d70
[  440.858394] lowmem_reserve[]:
[  440.885134]  ? warn_alloc+0x120/0x120
[  440.889934]  0
[  440.893043]  ? warn_alloc+0x120/0x120
[  440.896819]  0
[  440.898622]  ? print_usage_bug+0xc0/0xc0
[  440.902400]  3503
[  440.904198]  ? warn_alloc+0x120/0x120
[  440.908239]  3503
[  440.910302]  ? print_usage_bug+0xc0/0xc0
[  440.916144]  ? __lock_acquire+0x62f/0x4c20
[  440.920188] Node 0 
[  440.924415]  ? __lock_acquire+0x62f/0x4c20
[  440.924451] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  440.926659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.930871] lowmem_reserve[]:
[  440.958982]  ? should_fail+0x22d/0xd01
[  440.959002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.964524]  0
[  440.967627]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.971491]  0
[  440.976763]  ? __lock_acquire+0x62f/0x4c20
[  440.978547]  0
[  440.983651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.985432]  0
[  440.989660]  ? __lock_acquire+0x62f/0x4c20
[  440.996550]  ? should_fail+0x22d/0xd01
[  440.998342] Node 0 
[  441.002583]  ? rcu_irq_exit+0x1a2/0x390
[  441.006453] DMA: 
[  441.008697]  ? mark_held_locks+0x130/0x130
[  441.012644] 1*4kB 
[  441.014705]  ? mark_held_locks+0x130/0x130
[  441.018915] (U) 
[  441.021063]  ? mark_held_locks+0xc7/0x130
[  441.025279] 0*8kB 
[  441.027254]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  441.031376] 0*16kB 
[  441.033525]  ? zap_class+0x640/0x640
[  441.038521] 1*32kB 
[  441.040756]  ? print_usage_bug+0xc0/0xc0
[  441.044448] (U) 
[  441.046690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.050729] 2*64kB 
[  441.052703]  ? check_preemption_disabled+0x48/0x280
[  441.058236] (U) 
[  441.060480]  ? __lock_is_held+0xb5/0x140
[  441.065483] 1*128kB 
[  441.067457]  __alloc_pages_nodemask+0xa80/0xde0
[  441.071495] (U) 
[  441.073818]  ? zap_class+0x640/0x640
[  441.078465] 1*256kB (U) 
[  441.080449]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  441.084140] 0*512kB 
[  441.086815]  ? find_held_lock+0x36/0x1c0
[  441.091804] 1*1024kB 
[  441.094128]  ? ____cache_alloc_node+0x1c7/0x1e0
[  441.098158] (U) 1*2048kB 
[  441.100577]  ? lock_downgrade+0x900/0x900
[  441.105222] (M) 3*4096kB 
[  441.107988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.112109] (M) 
[  441.114868]  cache_grow_begin+0xa5/0x8c0
[  441.120377] = 15908kB
[  441.120387] Node 0 
[  441.122366]  ? do_raw_spin_unlock+0xa7/0x330
[  441.126402] DMA32: 
[  441.128815]  fallback_alloc+0x204/0x2e0
[  441.131061] 2*4kB 
[  441.135473]  ____cache_alloc_node+0x1c7/0x1e0
[  441.137681] (M) 
[  441.141652]  kmem_cache_alloc_node+0xe3/0x730
[  441.143780] 3*8kB 
[  441.148274]  ? ipv6_get_ifaddr+0x42e/0x620
[  441.150233] (UM) 
[  441.154734]  __alloc_skb+0x119/0x770
[  441.156861] 3*16kB 
[  441.161095]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.163132] (UM) 4*32kB 
[  441.166854]  ? netdev_alloc_frag+0x1f0/0x1f0
[  441.169070] (UM) 
[  441.174347]  ? lock_downgrade+0x900/0x900
[  441.177002] 5*64kB 
[  441.181410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.183449] (UM) 
[  441.187603]  ? refcount_sub_and_test_checked+0x203/0x310
[  441.189818] 4*128kB 
[  441.195352]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  441.197392] (M) 
[  441.202840]  ? addrconf_rs_timer+0x690/0x690
[  441.205143] 5*256kB 
[  441.210594]  ndisc_alloc_skb+0x144/0x340
[  441.212540] (UM) 
[  441.216948]  ndisc_send_rs+0x331/0x6e0
[  441.219260] 5*512kB 
[  441.223319]  addrconf_rs_timer+0x314/0x690
[  441.225363] (UM) 
[  441.229250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.231557] 4*1024kB 
[  441.235799]  call_timer_fn+0x272/0x920
[  441.237824] (UM) 2*2048kB 
[  441.242062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.244453] (M) 
[  441.248343]  ? process_timeout+0x40/0x40
[  441.251189] 3*4096kB 
[  441.255430]  ? __run_timers+0x7da/0xc70
[  441.257384] (M) 
[  441.261445]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.263837] = 25360kB
[  441.267807]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.269761] Node 0 
[  441.274260]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.276655] Normal: 
[  441.281149]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.283370] 783*4kB 
[  441.287600]  ? trace_hardirqs_on+0xbd/0x310
[  441.289902] (UMEH) 
[  441.294486]  ? kasan_check_read+0x11/0x20
[  441.296790] 379*8kB 
[  441.301107]  ? __run_timers+0x7da/0xc70
[  441.303325] (MEH) 
[  441.307476]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.309776] 205*16kB 
[  441.313748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.315879] (UMEH) 
[  441.320980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.323376] 93*32kB 
[  441.327611]  __run_timers+0x7e5/0xc70
[  441.329829] (UMEH) 
[  441.334067]  ? timer_fixup_init+0x70/0x70
[  441.336367] 24*64kB 
[  441.340162]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  441.342386] (UMH) 
[  441.346530]  ? zap_class+0x640/0x640
[  441.348833] 1*128kB 
[  441.353849]  ? enqueue_hrtimer+0x1a5/0x560
[  441.355985] (H) 
[  441.359702]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  441.362004] 0*256kB 
[  441.366241]  ? find_held_lock+0x36/0x1c0
[  441.368206] 0*512kB 
[  441.373398]  ? zap_class+0x640/0x640
[  441.375702] 0*1024kB 
[  441.379760]  ? pvclock_read_flags+0x160/0x160
[  441.382061] 0*2048kB 
[  441.385770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.388164] 0*4096kB 
[  441.392656]  ? check_preemption_disabled+0x48/0x280
[  441.395045] = 14084kB
[  441.400582]  ? __lock_is_held+0xb5/0x140
[  441.402975] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  441.407976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.407993]  ? check_preemption_disabled+0x48/0x280
[  441.410393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  441.414450]  run_timer_softirq+0x52/0xb0
[  441.423255] 1070 total pagecache pages
[  441.423274] 0 pages in swap cache
[  441.428800]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.433797] Swap cache stats: add 0, delete 0, find 0/0
[  441.442371]  __do_softirq+0x308/0xb7e
[  441.446415] Free swap  = 0kB
[  441.450315]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  441.453748] Total swap = 0kB
[  441.458758]  ? lock_downgrade+0x900/0x900
[  441.464099] 1965979 pages RAM
[  441.467896]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  441.470890] 0 pages HighMem/MovableOnly
[  441.475388]  ? pvclock_read_flags+0x160/0x160
[  441.478387] 342293 pages reserved
[  441.478396] 0 pages cma reserved
[  441.483050]  ? lapic_next_event+0x5a/0x90
[  441.486287] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.491235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.495190] syz-fuzzer cpuset=
[  441.499686]  ? kvm_clock_read+0x18/0x30
[  441.503115] /
[  441.506476]  ? kvm_sched_clock_read+0x9/0x20
[  441.510605]  mems_allowed=0
[  441.520824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.548044]  ? check_preemption_disabled+0x48/0x280
[  441.553071]  irq_exit+0x17f/0x1c0
[  441.556530]  smp_apic_timer_interrupt+0x1cb/0x760
[  441.561375]  ? smp_reschedule_interrupt+0x109/0x650
[  441.566393]  ? smp_call_function_single_interrupt+0x650/0x650
[  441.572292]  ? interrupt_entry+0xb5/0xc0
[  441.576354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.581367]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.586395]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.591241]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.596271]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.601301]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.606157]  apic_timer_interrupt+0xf/0x20
[  441.610396]  </IRQ>
[  441.612635] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  441.617564] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  441.637156] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  441.644875] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  441.652142] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  441.659419] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  441.666684] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  441.673950] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  441.681260]  skb_clone+0x1bb/0x500
[  441.684801]  ? finish_task_switch+0x1b4/0x910
[  441.689299]  ? skb_split+0x11e0/0x11e0
[  441.693195]  ? preempt_notifier_register+0x200/0x200
[  441.698300]  ? __switch_to_asm+0x34/0x70
[  441.702363]  ? __switch_to_asm+0x34/0x70
[  441.706424]  ? __switch_to_asm+0x40/0x70
[  441.710488]  ? __switch_to_asm+0x34/0x70
[  441.714547]  ? __switch_to_asm+0x40/0x70
[  441.718611]  ? __switch_to_asm+0x34/0x70
[  441.722675]  ? __switch_to_asm+0x40/0x70
[  441.726736]  ? __switch_to_asm+0x34/0x70
[  441.730806]  ? __switch_to_asm+0x34/0x70
[  441.734868]  ? __switch_to_asm+0x40/0x70
[  441.738933]  ? __switch_to_asm+0x34/0x70
[  441.743003]  bpf_clone_redirect+0xb9/0x490
[  441.747245]  ? __schedule+0x8d7/0x21d0
[  441.751140]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  441.756182]  ? __sched_text_start+0x8/0x8
[  441.760347]  ? find_held_lock+0x36/0x1c0
[  441.764419]  ? lock_acquire+0x1ed/0x520
[  441.768393]  ? bpf_test_run+0x3cb/0x780
[  441.772370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.777911]  ? check_preemption_disabled+0x48/0x280
[  441.782936]  ? kasan_check_read+0x11/0x20
[  441.787090]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.792369]  ? rcu_softirq_qs+0x20/0x20
[  441.796350]  ? preempt_schedule+0x4d/0x60
[  441.800509]  ? ___preempt_schedule+0x16/0x18
[  441.804929]  ? bpf_test_run+0x25d/0x780
[  441.808915]  ? netlink_diag_dump+0x2a0/0x2a0
[  441.813327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.818863]  ? bpf_test_init.isra.10+0x70/0x100
[  441.823541]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  441.828310]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  441.833150]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  441.838691]  ? fput+0x130/0x1a0
[  441.841976]  ? __bpf_prog_get+0x9b/0x290
[  441.846045]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  441.850886]  ? bpf_prog_test_run+0x130/0x1a0
[  441.855306]  ? __x64_sys_bpf+0x3d8/0x520
[  441.859368]  ? bpf_prog_get+0x20/0x20
[  441.863198]  ? do_syscall_64+0x1b9/0x820
[  441.867264]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  441.872628]  ? syscall_return_slowpath+0x5e0/0x5e0
[  441.877558]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.882576]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  441.887594]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  441.894262]  ? __switch_to_asm+0x40/0x70
[  441.898324]  ? __switch_to_asm+0x34/0x70
[  441.902390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.907245]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  441.912629] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  441.912727] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  441.919216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  441.919222] Call Trace:
[  441.919229]  <IRQ>
[  441.919246]  dump_stack+0x244/0x39d
[  441.919266]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.925830] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.935113]  warn_alloc.cold.117+0xb7/0x1bd
[  441.937673] syz-executor1 cpuset=
[  441.939818]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.943424] syz1
[  441.948610]  ? lock_downgrade+0x900/0x900
[  441.959076]  mems_allowed=0
[  441.963397]  ? trace_hardirqs_off+0xb8/0x310
[  441.985099]  ? trace_hardirqs_off+0xb8/0x310
[  441.989517]  __alloc_pages_slowpath+0x2660/0x2d70
[  441.994393]  ? warn_alloc+0x120/0x120
[  441.998199]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  442.003218]  ? warn_alloc+0x120/0x120
[  442.007022]  ? print_usage_bug+0xc0/0xc0
[  442.011098]  ? warn_alloc+0x120/0x120
[  442.014903]  ? print_usage_bug+0xc0/0xc0
[  442.018975]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  442.024174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.029719]  ? should_fail+0x22d/0xd01
[  442.033615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.038724]  ? __lock_acquire+0x62f/0x4c20
[  442.042971]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.048080]  ? should_fail+0x22d/0xd01
[  442.051985]  ? mark_held_locks+0x130/0x130
[  442.056225]  ? mark_held_locks+0x130/0x130
[  442.060458]  ? print_usage_bug+0xc0/0xc0
[  442.064526]  ? find_held_lock+0x36/0x1c0
[  442.068592]  ? zap_class+0x640/0x640
[  442.072315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.077855]  ? check_preemption_disabled+0x48/0x280
[  442.082881]  ? __lock_is_held+0xb5/0x140
[  442.086951]  __alloc_pages_nodemask+0xa80/0xde0
[  442.091630]  ? zap_class+0x640/0x640
[  442.095354]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  442.100382]  ? find_held_lock+0x36/0x1c0
[  442.104452]  ? ____cache_alloc_node+0x1c7/0x1e0
[  442.109125]  ? lock_downgrade+0x900/0x900
[  442.113283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.118827]  cache_grow_begin+0xa5/0x8c0
[  442.122896]  ? do_raw_spin_unlock+0xa7/0x330
[  442.127317]  fallback_alloc+0x204/0x2e0
[  442.131299]  ____cache_alloc_node+0x1c7/0x1e0
[  442.135802]  kmem_cache_alloc_node+0xe3/0x730
[  442.140298]  ? mark_held_locks+0xc7/0x130
[  442.144456]  __alloc_skb+0x119/0x770
[  442.148179]  ? netdev_alloc_frag+0x1f0/0x1f0
[  442.152591]  ? do_raw_spin_trylock+0x270/0x270
[  442.157177]  ? kmem_cache_alloc_trace+0x353/0x750
[  442.162030]  ? queue_work_on+0x12c/0x1e0
[  442.166112]  ? switchdev_port_obj_del+0xdc/0x440
[  442.170886]  ? switchdev_trans_item_enqueue+0x260/0x260
[  442.176256]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  442.181282]  __br_mdb_notify+0x4ff/0x15d0
[  442.185432]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  442.190547]  ? __br_mdb_add+0x7f0/0x7f0
[  442.194532]  ? mark_held_locks+0x130/0x130
[  442.198776]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  442.203896]  ? debug_object_assert_init+0x368/0x4b0
[  442.208932]  ? debug_object_init_on_stack+0x20/0x20
[  442.213951]  ? zap_class+0x640/0x640
[  442.217677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.223226]  br_mdb_notify+0x310/0x410
[  442.227119]  ? br_mdb_dump+0x27b0/0x27b0
[  442.231198]  br_multicast_del_pg+0x3df/0x790
[  442.235615]  ? br_mdb_ip_get+0x940/0x940
[  442.239678]  ? rwlock_bug.part.2+0x90/0x90
[  442.243916]  ? __lock_is_held+0xb5/0x140
[  442.247993]  br_multicast_port_group_expired+0x189/0x1e0
[  442.253450]  call_timer_fn+0x272/0x920
[  442.257345]  ? br_multicast_del_pg+0x790/0x790
[  442.261930]  ? process_timeout+0x40/0x40
[  442.266008]  ? mark_held_locks+0xc7/0x130
[  442.270162]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.274661]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.279160]  ? br_multicast_del_pg+0x790/0x790
[  442.283746]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.288336]  ? trace_hardirqs_on+0xbd/0x310
[  442.292658]  ? kasan_check_read+0x11/0x20
[  442.296807]  ? __run_timers+0x7da/0xc70
[  442.300782]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.305894]  ? br_multicast_del_pg+0x790/0x790
[  442.310486]  ? br_multicast_del_pg+0x790/0x790
[  442.315076]  __run_timers+0x7e5/0xc70
[  442.318895]  ? timer_fixup_init+0x70/0x70
[  442.323045]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  442.328063]  ? zap_class+0x640/0x640
[  442.331782]  ? print_usage_bug+0xc0/0xc0
[  442.335852]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  442.341069]  ? find_held_lock+0x36/0x1c0
[  442.345149]  ? zap_class+0x640/0x640
[  442.348873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.354413]  ? check_preemption_disabled+0x48/0x280
[  442.359442]  ? __lock_is_held+0xb5/0x140
[  442.363507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.369045]  ? check_preemption_disabled+0x48/0x280
[  442.374069]  run_timer_softirq+0x52/0xb0
[  442.378130]  ? rcu_read_lock_sched_held+0x14f/0x180
[  442.383152]  __do_softirq+0x308/0xb7e
[  442.386958]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  442.391457]  ? lock_downgrade+0x900/0x900
[  442.395612]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  442.400729]  ? pvclock_read_flags+0x160/0x160
[  442.405231]  ? lapic_next_event+0x5a/0x90
[  442.409383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.414927]  ? kvm_clock_read+0x18/0x30
[  442.418903]  ? kvm_sched_clock_read+0x9/0x20
[  442.423313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.428856]  ? check_preemption_disabled+0x48/0x280
[  442.433884]  irq_exit+0x17f/0x1c0
[  442.437343]  smp_apic_timer_interrupt+0x1cb/0x760
[  442.442189]  ? smp_call_function_single_interrupt+0x650/0x650
[  442.448076]  ? interrupt_entry+0xb5/0xc0
[  442.452144]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.457164]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.462182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.467029]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.472048]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.477062]  ? task_prio+0x50/0x50
[  442.480612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.486150]  ? check_preemption_disabled+0x48/0x280
[  442.491179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.496037]  apic_timer_interrupt+0xf/0x20
[  442.500270]  </IRQ>
[  442.502512] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  442.507621] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  442.526522] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  442.534235] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  442.541509] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  442.548775] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  442.556042] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  442.563315] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  442.570616]  shrink_active_list+0x67b/0x1c20
[  442.575025]  ? free_unref_page_list+0xd1b/0x11e0
[  442.579789]  ? shrink_inactive_list+0xa4a/0x1c60
[  442.584552]  ? zap_class+0x60f/0x640
[  442.588736]  ? shrink_inactive_list+0x1c60/0x1c60
[  442.593592]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.598095]  ? find_held_lock+0x36/0x1c0
[  442.602159]  ? __page_frag_cache_drain+0x200/0x200
[  442.607096]  ? print_usage_bug+0xc0/0xc0
[  442.611187]  ? find_held_lock+0x36/0x1c0
[  442.615255]  ? zap_class+0x640/0x640
[  442.618973]  ? mark_held_locks+0xc7/0x130
[  442.623125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.628662]  ? check_preemption_disabled+0x48/0x280
[  442.633689]  ? zap_class+0x640/0x640
[  442.637407]  ? __lock_is_held+0xb5/0x140
[  442.641482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.647021]  ? check_preemption_disabled+0x48/0x280
[  442.652047]  ? __lock_is_held+0xb5/0x140
[  442.656121]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  442.661139]  ? inactive_list_is_low+0x305/0x880
[  442.665827]  ? lruvec_lru_size+0x450/0x450
[  442.670068]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.675004]  ? rcu_softirq_qs+0x20/0x20
[  442.679004]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  442.683949]  shrink_node_memcg+0x803/0x18f0
[  442.688293]  ? shrink_active_list+0x1c20/0x1c20
[  442.692979]  ? lock_downgrade+0x900/0x900
[  442.697132]  ? check_flush_dependency+0x410/0x410
[  442.701988]  ? kasan_check_read+0x11/0x20
[  442.706148]  ? ___preempt_schedule+0x16/0x18
[  442.710575]  ? _raw_spin_unlock+0x3f/0x50
[  442.714725]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  442.719922]  shrink_node+0x3bc/0x16b0
[  442.723735]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  442.729043]  ? shrink_node_memcg+0x18f0/0x18f0
[  442.733625]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.738209]  ? trace_hardirqs_on+0xbd/0x310
[  442.742530]  ? vmpressure+0x271/0x340
[  442.746341]  ? do_raw_spin_trylock+0x270/0x270
[  442.750929]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  442.756482]  ? __cpuset_node_allowed+0x19b/0x660
[  442.761246]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  442.766957]  ? vmpressure+0x1a2/0x340
[  442.770775]  do_try_to_free_pages+0x3e7/0x1290
[  442.775359]  ? zap_class+0x640/0x640
[  442.779091]  ? shrink_node+0x16b0/0x16b0
[  442.783157]  ? __lock_is_held+0xb5/0x140
[  442.787240]  try_to_free_pages+0x4d0/0xb90
[  442.791489]  ? do_try_to_free_pages+0x1290/0x1290
[  442.796345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.801894]  ? lock_acquire+0x1ed/0x520
[  442.805876]  ? set_page_refcounted+0x280/0x280
[  442.810465]  ? lock_release+0xa00/0xa00
[  442.814454]  ? perf_trace_sched_process_exec+0x860/0x860
[  442.819920]  __alloc_pages_slowpath+0x9c4/0x2d70
[  442.824712]  ? warn_alloc+0x120/0x120
[  442.828513]  ? rcu_softirq_qs+0x20/0x20
[  442.832522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.838063]  ? should_fail+0x22d/0xd01
[  442.841974]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.847093]  ? zap_class+0x640/0x640
[  442.850833]  ? __lock_is_held+0xb5/0x140
[  442.854907]  ? mark_held_locks+0x130/0x130
[  442.859180]  ? lock_release+0xa00/0xa00
[  442.863161]  ? perf_trace_sched_process_exec+0x860/0x860
[  442.868633]  ? __might_sleep+0x95/0x190
[  442.872617]  __alloc_pages_nodemask+0xa80/0xde0
[  442.877298]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  442.882316]  ? __page_cache_alloc+0x191/0x5c0
[  442.886812]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.891741]  ? kasan_check_read+0x11/0x20
[  442.895891]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.901181]  ? zap_class+0x640/0x640
[  442.904906]  ? zap_class+0x640/0x640
[  442.908619]  ? zap_class+0x640/0x640
[  442.912336]  ? __do_page_cache_readahead+0x7ce/0x980
[  442.917444]  ? find_held_lock+0x36/0x1c0
[  442.921512]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  442.927056]  alloc_pages_current+0x173/0x350
[  442.931476]  __page_cache_alloc+0x38c/0x5c0
[  442.935799]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.940729]  ? kasan_check_read+0x11/0x20
[  442.944881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.950168]  ? generic_perform_write+0x6a0/0x6a0
[  442.954932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.960474]  ? check_preemption_disabled+0x48/0x280
[  442.965504]  filemap_fault+0x1594/0x25f0
[  442.969582]  ? __lock_page_or_retry+0xa00/0xa00
[  442.974259]  ? mark_held_locks+0x130/0x130
[  442.978497]  ? rcu_softirq_qs+0x20/0x20
[  442.982489]  ? filemap_map_pages+0xe04/0x1990
[  442.987002]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.991587]  ? __free_object+0x173/0x340
[  442.995649]  ? debug_object_free+0x36f/0x690
[  443.000060]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  443.005004]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.010113]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  443.014793]  ? queue_work_on+0x12c/0x1e0
[  443.018863]  ? debug_object_free+0x36f/0x690
[  443.023278]  ? kasan_check_read+0x11/0x20
[  443.027427]  ? debug_object_destroy+0x2b0/0x2b0
[  443.032099]  ? lock_pi_update_atomic+0x150/0x150
[  443.036858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.042396]  ? __hrtimer_init+0xdb/0x240
[  443.046468]  ? lock_acquire+0x1ed/0x520
[  443.050444]  ? ext4_filemap_fault+0x7a/0xad
[  443.054776]  ? lock_release+0xa00/0xa00
[  443.058750]  ? perf_trace_sched_process_exec+0x860/0x860
[  443.064208]  ? print_usage_bug+0xc0/0xc0
[  443.068275]  ? print_usage_bug+0xc0/0xc0
[  443.072355]  ? down_read+0x8d/0x120
[  443.075985]  ? ext4_filemap_fault+0x7a/0xad
[  443.080331]  ? __down_interruptible+0x700/0x700
[  443.085012]  ext4_filemap_fault+0x82/0xad
[  443.089162]  __do_fault+0x100/0x6b0
[  443.092806]  ? pmd_devmap_trans_unstable+0x220/0x220
[  443.097918]  ? mark_held_locks+0x130/0x130
[  443.102155]  ? mark_held_locks+0x130/0x130
[  443.106434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.111986]  __handle_mm_fault+0x307c/0x5920
[  443.116397]  ? perf_trace_lock+0x7a0/0x7a0
[  443.120639]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  443.125495]  ? __switch_to_asm+0x34/0x70
[  443.129558]  ? __switch_to_asm+0x34/0x70
[  443.133640]  ? zap_class+0x640/0x640
[  443.137353]  ? zap_class+0x640/0x640
[  443.141074]  ? __x64_sys_futex+0x53e/0x6a0
[  443.145327]  ? find_held_lock+0x36/0x1c0
[  443.149400]  ? handle_mm_fault+0x42a/0xc70
[  443.153643]  ? lock_downgrade+0x900/0x900
[  443.157793]  ? check_preemption_disabled+0x48/0x280
[  443.162817]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  443.167746]  ? kasan_check_read+0x11/0x20
[  443.171900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.177192]  ? rcu_softirq_qs+0x20/0x20
[  443.181178]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.186285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.191823]  ? check_preemption_disabled+0x48/0x280
[  443.196850]  handle_mm_fault+0x54f/0xc70
[  443.200920]  ? __handle_mm_fault+0x5920/0x5920
[  443.205509]  ? find_vma+0x34/0x190
[  443.209055]  __do_page_fault+0x5e8/0xe60
[  443.213121]  ? trace_hardirqs_off+0xb8/0x310
[  443.217544]  do_page_fault+0xf2/0x7e0
[  443.221353]  ? vmalloc_sync_all+0x30/0x30
[  443.225503]  ? error_entry+0x70/0xd0
[  443.229219]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.234241]  ? trace_hardirqs_on_caller+0xc0/0x310
[  443.239181]  ? syscall_return_slowpath+0x5e0/0x5e0
[  443.244115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.248959]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.253986]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  443.259443]  ? prepare_exit_to_usermode+0x291/0x3b0
[  443.264463]  ? page_fault+0x8/0x30
[  443.268011]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.272858]  ? page_fault+0x8/0x30
[  443.276402]  page_fault+0x1e/0x30
[  443.279856] RIP: 0033:0x45ddf3
[  443.283076] Code: Bad RIP value.
[  443.286439] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  443.291802] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  443.299067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  443.306334] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  443.313605] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  443.320872] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  443.328167] warn_alloc_show_mem: 1 callbacks suppressed
[  443.328179] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  443.328181] Mem-Info:
[  443.328211] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  443.328211]  active_file:15 inactive_file:12 isolated_file:0
[  443.328211]  unevictable:0 dirty:0 writeback:0 unstable:0
[  443.328211]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  443.328211]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  443.328211]  free:13694 free_pcp:0 free_cma:0
[  443.333559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  443.340498] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  443.342899] Call Trace:
[  443.375765] Node 0 
[  443.385113]  <IRQ>
[  443.412802] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  443.415369]  dump_stack+0x244/0x39d
[  443.417579] lowmem_reserve[]:
[  443.419733]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.445207]  0 2819
[  443.448853]  warn_alloc.cold.117+0xb7/0x1bd
[  443.451927]  6323
[  443.457117]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  443.459337]  6323
[  443.463655]  ? lock_downgrade+0x900/0x900
[  443.470546]  ? trace_hardirqs_off+0xb8/0x310
[  443.472585] Node 0 
[  443.476729]  ? trace_hardirqs_off+0xb8/0x310
[  443.481329] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  443.483551]  __alloc_pages_slowpath+0x2660/0x2d70
[  443.487937] lowmem_reserve[]:
[  443.514680]  ? warn_alloc+0x120/0x120
[  443.519482]  0
[  443.522589]  ? warn_alloc+0x120/0x120
[  443.526368]  0
[  443.528166]  ? print_usage_bug+0xc0/0xc0
[  443.531946]  3503
[  443.533745]  ? warn_alloc+0x120/0x120
[  443.537787]  3503
[  443.539847]  ? print_usage_bug+0xc0/0xc0
[  443.543636] Node 0 
[  443.545698]  ? __lock_acquire+0x62f/0x4c20
[  443.549767] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  443.551982]  ? __lock_acquire+0x62f/0x4c20
[  443.556200] lowmem_reserve[]:
[  443.584305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.588533]  0
[  443.591639]  ? should_fail+0x22d/0xd01
[  443.597148]  0 0
[  443.598969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.602839]  0
[  443.604816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.611892]  ? __lock_acquire+0x62f/0x4c20
[  443.616978] Node 0 DMA: 
[  443.621211]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.621226]  ? __lock_acquire+0x62f/0x4c20
[  443.623882] 1*4kB 
[  443.628975]  ? should_fail+0x22d/0xd01
[  443.628993]  ? rcu_irq_exit+0x1a2/0x390
[  443.633204] (U) 0*8kB 
[  443.635369]  ? mark_held_locks+0x130/0x130
[  443.639234] 0*16kB 
[  443.643212]  ? mark_held_locks+0x130/0x130
[  443.645689] 1*32kB 
[  443.649922]  ? mark_held_locks+0xc7/0x130
[  443.652140] (U) 
[  443.656375]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  443.658586] 2*64kB (U) 
[  443.662743]  ? zap_class+0x640/0x640
[  443.664704] 1*128kB 
[  443.669714]  ? print_usage_bug+0xc0/0xc0
[  443.672280] (U) 
[  443.675989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.678297] 1*256kB 
[  443.682354]  ? check_preemption_disabled+0x48/0x280
[  443.684307] (U) 
[  443.689844]  ? __lock_is_held+0xb5/0x140
[  443.692144] 0*512kB 
[  443.697162]  __alloc_pages_nodemask+0xa80/0xde0
[  443.699120] 1*1024kB 
[  443.703185]  ? zap_class+0x640/0x640
[  443.705488] (U) 
[  443.710151]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  443.712544] 1*2048kB 
[  443.716261]  ? find_held_lock+0x36/0x1c0
[  443.718212] (M) 
[  443.723229]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.725616] 3*4096kB 
[  443.729671]  ? lock_downgrade+0x900/0x900
[  443.731629] (M) 
[  443.736296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.738683] = 15908kB
[  443.742829]  cache_grow_begin+0xa5/0x8c0
[  443.744786] Node 0 
[  443.750327]  ? do_raw_spin_unlock+0xa7/0x330
[  443.752719] DMA32: 
[  443.756783]  fallback_alloc+0x204/0x2e0
[  443.758997] 2*4kB 
[  443.763409]  ____cache_alloc_node+0x1c7/0x1e0
[  443.765624] (M) 
[  443.769594]  kmem_cache_alloc_node+0xe3/0x730
[  443.771727] 3*8kB 
[  443.776235]  ? ipv6_get_ifaddr+0x42e/0x620
[  443.778192] (UM) 
[  443.782689]  __alloc_skb+0x119/0x770
[  443.784854] 3*16kB 
[  443.789087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.791125] (UM) 
[  443.794842]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.797067] 4*32kB 
[  443.802351]  ? lock_downgrade+0x900/0x900
[  443.804394] (UM) 
[  443.808803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.811018] 5*64kB 
[  443.815168]  ? refcount_sub_and_test_checked+0x203/0x310
[  443.817208] (UM) 
[  443.822743]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  443.824960] 4*128kB 
[  443.830405]  ? addrconf_rs_timer+0x690/0x690
[  443.832446] (M) 
[  443.837907]  ndisc_alloc_skb+0x144/0x340
[  443.840209] 5*256kB 
[  443.844626]  ndisc_send_rs+0x331/0x6e0
[  443.846583] (UM) 
[  443.850648]  addrconf_rs_timer+0x314/0x690
[  443.852955] 5*512kB 
[  443.856841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.858884] (UM) 
[  443.863123]  call_timer_fn+0x272/0x920
[  443.865421] 4*1024kB 
[  443.869651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.871695] (UM) 
[  443.875578]  ? process_timeout+0x40/0x40
[  443.877970] 2*2048kB 
[  443.882215]  ? __run_timers+0x7da/0xc70
[  443.884253] (M) 
[  443.888312]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.890722] 3*4096kB 
[  443.894694]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.896667] (M) 
[  443.901162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.903556] = 25360kB
[  443.908048]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.910002] Node 0 
[  443.914235]  ? trace_hardirqs_on+0xbd/0x310
[  443.916627] Normal: 
[  443.921210]  ? kasan_check_read+0x11/0x20
[  443.923427] 783*4kB 
[  443.927743]  ? __run_timers+0x7da/0xc70
[  443.930052] (UMEH) 
[  443.934202]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.936510] 379*8kB 
[  443.940503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.942690] (MEH) 205*16kB 
[  443.947801]  __run_timers+0x7e5/0xc70
[  443.950100] (UMEH) 93*32kB 
[  443.954350]  ? timer_fixup_init+0x70/0x70
[  443.957250] (UMEH) 
[  443.961046]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  443.963957] 24*64kB (UMH) 
[  443.968124]  ? zap_class+0x640/0x640
[  443.970340] 1*128kB 
[  443.975354]  ? enqueue_hrtimer+0x1a5/0x560
[  443.978184] (H) 
[  443.981902]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  443.984209] 0*256kB 
[  443.988446]  ? find_held_lock+0x36/0x1c0
[  443.990403] 0*512kB 
[  443.995588]  ? zap_class+0x640/0x640
[  443.997891] 0*1024kB 
[  444.001952]  ? pvclock_read_flags+0x160/0x160
[  444.004257] 0*2048kB 
[  444.007965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.010360] 0*4096kB 
[  444.014854]  ? check_preemption_disabled+0x48/0x280
[  444.017246] = 14084kB
[  444.022784]  ? __lock_is_held+0xb5/0x140
[  444.025194] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  444.030206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.032604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  444.036657]  ? check_preemption_disabled+0x48/0x280
[  444.045468] 1070 total pagecache pages
[  444.045487] 0 pages in swap cache
[  444.051014]  run_timer_softirq+0x52/0xb0
[  444.059569] Swap cache stats: add 0, delete 0, find 0/0
[  444.064575]  ? rcu_read_lock_sched_held+0x14f/0x180
[  444.068451] Free swap  = 0kB
[  444.071909]  __do_softirq+0x308/0xb7e
[  444.075951] Total swap = 0kB
[  444.081310]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  444.086313] 1965979 pages RAM
[  444.089328]  ? lock_downgrade+0x900/0x900
[  444.093106] 0 pages HighMem/MovableOnly
[  444.096124]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  444.100596] 342293 pages reserved
[  444.103705]  ? pvclock_read_flags+0x160/0x160
[  444.107826] 0 pages cma reserved
[  444.111799]  ? lapic_next_event+0x5a/0x90
[  444.117053] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  444.120333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.124807] syz-fuzzer cpuset=
[  444.128183]  ? kvm_clock_read+0x18/0x30
[  444.132298] /
[  444.142522]  ? kvm_sched_clock_read+0x9/0x20
[  444.148044]  mems_allowed=0
[  444.151231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.169740]  ? check_preemption_disabled+0x48/0x280
[  444.174774]  irq_exit+0x17f/0x1c0
[  444.178234]  smp_apic_timer_interrupt+0x1cb/0x760
[  444.183092]  ? smp_reschedule_interrupt+0x109/0x650
[  444.188115]  ? smp_call_function_single_interrupt+0x650/0x650
[  444.194001]  ? interrupt_entry+0xb5/0xc0
[  444.198088]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.203101]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.208118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.212964]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.217983]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.223013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.227867]  apic_timer_interrupt+0xf/0x20
[  444.232095]  </IRQ>
[  444.234345] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  444.239279] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  444.258187] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  444.265897] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  444.273164] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  444.280443] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  444.287716] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  444.294984] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  444.302299]  skb_clone+0x1bb/0x500
[  444.305842]  ? finish_task_switch+0x1b4/0x910
[  444.310337]  ? skb_split+0x11e0/0x11e0
[  444.314230]  ? preempt_notifier_register+0x200/0x200
[  444.319335]  ? __switch_to_asm+0x34/0x70
[  444.323393]  ? __switch_to_asm+0x34/0x70
[  444.327626]  ? __switch_to_asm+0x40/0x70
[  444.331688]  ? __switch_to_asm+0x34/0x70
[  444.335762]  ? __switch_to_asm+0x40/0x70
[  444.339827]  ? __switch_to_asm+0x34/0x70
[  444.343884]  ? __switch_to_asm+0x40/0x70
[  444.347950]  ? __switch_to_asm+0x34/0x70
[  444.352010]  ? __switch_to_asm+0x34/0x70
[  444.356074]  ? __switch_to_asm+0x40/0x70
[  444.360134]  ? __switch_to_asm+0x34/0x70
[  444.364210]  bpf_clone_redirect+0xb9/0x490
[  444.368449]  ? __schedule+0x8d7/0x21d0
[  444.372349]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  444.377374]  ? __sched_text_start+0x8/0x8
[  444.381567]  ? find_held_lock+0x36/0x1c0
[  444.385636]  ? lock_acquire+0x1ed/0x520
[  444.389614]  ? bpf_test_run+0x3cb/0x780
[  444.393592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.399129]  ? check_preemption_disabled+0x48/0x280
[  444.404151]  ? kasan_check_read+0x11/0x20
[  444.408312]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.413589]  ? rcu_softirq_qs+0x20/0x20
[  444.417569]  ? preempt_schedule+0x4d/0x60
[  444.421723]  ? ___preempt_schedule+0x16/0x18
[  444.426145]  ? bpf_test_run+0x25d/0x780
[  444.430137]  ? netlink_diag_dump+0x2a0/0x2a0
[  444.434561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.440097]  ? bpf_test_init.isra.10+0x70/0x100
[  444.444775]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  444.449543]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  444.454394]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  444.459930]  ? fput+0x130/0x1a0
[  444.463215]  ? __bpf_prog_get+0x9b/0x290
[  444.467282]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  444.472125]  ? bpf_prog_test_run+0x130/0x1a0
[  444.476558]  ? __x64_sys_bpf+0x3d8/0x520
[  444.480623]  ? bpf_prog_get+0x20/0x20
[  444.484451]  ? do_syscall_64+0x1b9/0x820
[  444.488521]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  444.493890]  ? syscall_return_slowpath+0x5e0/0x5e0
[  444.498825]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.503844]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  444.508862]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  444.515532]  ? __switch_to_asm+0x40/0x70
[  444.519597]  ? __switch_to_asm+0x34/0x70
[  444.523666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.528520]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  444.533906] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  444.533974] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  444.540494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  444.540499] Call Trace:
[  444.540506]  <IRQ>
[  444.540523]  dump_stack+0x244/0x39d
[  444.540543]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.547111] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  444.556387]  warn_alloc.cold.117+0xb7/0x1bd
[  444.558943] syz-executor1 cpuset=
[  444.561096]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  444.564703] syz1
[  444.569890]  ? lock_downgrade+0x900/0x900
[  444.580355]  mems_allowed=0
[  444.584680]  ? trace_hardirqs_off+0xb8/0x310
[  444.606543]  ? trace_hardirqs_off+0xb8/0x310
[  444.610969]  __alloc_pages_slowpath+0x2660/0x2d70
[  444.615846]  ? warn_alloc+0x120/0x120
[  444.619655]  ? warn_alloc+0x120/0x120
[  444.623457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.628998]  ? print_usage_bug+0xc0/0xc0
[  444.633057]  ? warn_alloc+0x120/0x120
[  444.636862]  ? print_usage_bug+0xc0/0xc0
[  444.640925]  ? mark_held_locks+0x130/0x130
[  444.645160]  ? __lock_is_held+0xb5/0x140
[  444.649233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.654771]  ? should_fail+0x22d/0xd01
[  444.658666]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.663772]  ? __lock_acquire+0x62f/0x4c20
[  444.668017]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.673126]  ? should_fail+0x22d/0xd01
[  444.677031]  ? mark_held_locks+0x130/0x130
[  444.681274]  ? mark_held_locks+0x130/0x130
[  444.685509]  ? print_usage_bug+0xc0/0xc0
[  444.689579]  ? find_held_lock+0x36/0x1c0
[  444.693640]  ? zap_class+0x640/0x640
[  444.697365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.702908]  ? check_preemption_disabled+0x48/0x280
[  444.707936]  ? __lock_is_held+0xb5/0x140
[  444.712009]  __alloc_pages_nodemask+0xa80/0xde0
[  444.716683]  ? zap_class+0x640/0x640
[  444.720414]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  444.725455]  ? find_held_lock+0x36/0x1c0
[  444.729535]  ? ____cache_alloc_node+0x1c7/0x1e0
[  444.734228]  ? lock_downgrade+0x900/0x900
[  444.738393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.743938]  cache_grow_begin+0xa5/0x8c0
[  444.748016]  ? do_raw_spin_unlock+0xa7/0x330
[  444.752433]  fallback_alloc+0x204/0x2e0
[  444.756417]  ____cache_alloc_node+0x1c7/0x1e0
[  444.760920]  kmem_cache_alloc_node+0xe3/0x730
[  444.765416]  ? mark_held_locks+0xc7/0x130
[  444.769597]  __alloc_skb+0x119/0x770
[  444.773318]  ? netdev_alloc_frag+0x1f0/0x1f0
[  444.777729]  ? do_raw_spin_trylock+0x270/0x270
[  444.782314]  ? kmem_cache_alloc_trace+0x353/0x750
[  444.787165]  ? queue_work_on+0x12c/0x1e0
[  444.791245]  ? switchdev_port_obj_del+0xdc/0x440
[  444.796003]  ? switchdev_trans_item_enqueue+0x260/0x260
[  444.801397]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  444.806428]  __br_mdb_notify+0x4ff/0x15d0
[  444.810584]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.815699]  ? __br_mdb_add+0x7f0/0x7f0
[  444.819676]  ? mark_held_locks+0x130/0x130
[  444.823922]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.829027]  ? debug_object_assert_init+0x368/0x4b0
[  444.834045]  ? debug_object_init_on_stack+0x20/0x20
[  444.839060]  ? zap_class+0x640/0x640
[  444.842775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.848322]  br_mdb_notify+0x310/0x410
[  444.852215]  ? br_mdb_dump+0x27b0/0x27b0
[  444.856292]  br_multicast_del_pg+0x3df/0x790
[  444.860709]  ? br_mdb_ip_get+0x940/0x940
[  444.864773]  ? rwlock_bug.part.2+0x90/0x90
[  444.869034]  ? __lock_is_held+0xb5/0x140
[  444.873106]  br_multicast_port_group_expired+0x189/0x1e0
[  444.878562]  call_timer_fn+0x272/0x920
[  444.882453]  ? br_multicast_del_pg+0x790/0x790
[  444.887042]  ? process_timeout+0x40/0x40
[  444.891114]  ? mark_held_locks+0xc7/0x130
[  444.895279]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.899814]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.904312]  ? br_multicast_del_pg+0x790/0x790
[  444.908897]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.913481]  ? trace_hardirqs_on+0xbd/0x310
[  444.917832]  ? kasan_check_read+0x11/0x20
[  444.921996]  ? __run_timers+0x7da/0xc70
[  444.926005]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.931114]  ? br_multicast_del_pg+0x790/0x790
[  444.935702]  ? br_multicast_del_pg+0x790/0x790
[  444.940299]  __run_timers+0x7e5/0xc70
[  444.944115]  ? timer_fixup_init+0x70/0x70
[  444.948307]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  444.953324]  ? zap_class+0x640/0x640
[  444.957048]  ? print_usage_bug+0xc0/0xc0
[  444.961117]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  444.966319]  ? find_held_lock+0x36/0x1c0
[  444.970389]  ? zap_class+0x640/0x640
[  444.974111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.979651]  ? check_preemption_disabled+0x48/0x280
[  444.984680]  ? __lock_is_held+0xb5/0x140
[  444.988746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.994289]  ? check_preemption_disabled+0x48/0x280
[  444.999313]  run_timer_softirq+0x52/0xb0
[  445.003375]  ? rcu_read_lock_sched_held+0x14f/0x180
[  445.008397]  __do_softirq+0x308/0xb7e
[  445.012208]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  445.016707]  ? lock_downgrade+0x900/0x900
[  445.020861]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  445.025979]  ? pvclock_read_flags+0x160/0x160
[  445.030484]  ? lapic_next_event+0x5a/0x90
[  445.034639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.040208]  ? kvm_clock_read+0x18/0x30
[  445.044196]  ? kvm_sched_clock_read+0x9/0x20
[  445.048612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.054155]  ? check_preemption_disabled+0x48/0x280
[  445.059198]  irq_exit+0x17f/0x1c0
[  445.062656]  smp_apic_timer_interrupt+0x1cb/0x760
[  445.067503]  ? smp_call_function_single_interrupt+0x650/0x650
[  445.073393]  ? interrupt_entry+0xb5/0xc0
[  445.077461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.082477]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.087502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.092347]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.097363]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.102380]  ? task_prio+0x50/0x50
[  445.105924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.111467]  ? check_preemption_disabled+0x48/0x280
[  445.116494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.121355]  apic_timer_interrupt+0xf/0x20
[  445.125583]  </IRQ>
[  445.127821] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  445.132924] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  445.151825] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  445.159540] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  445.166810] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  445.174075] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  445.181345] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  445.188611] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  445.195912]  shrink_active_list+0x67b/0x1c20
[  445.200321]  ? free_unref_page_list+0xd1b/0x11e0
[  445.205086]  ? shrink_inactive_list+0xa4a/0x1c60
[  445.209843]  ? zap_class+0x60f/0x640
[  445.213561]  ? shrink_inactive_list+0x1c60/0x1c60
[  445.218417]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.222921]  ? find_held_lock+0x36/0x1c0
[  445.226985]  ? __page_frag_cache_drain+0x200/0x200
[  445.231917]  ? print_usage_bug+0xc0/0xc0
[  445.236000]  ? find_held_lock+0x36/0x1c0
[  445.240074]  ? zap_class+0x640/0x640
[  445.243793]  ? mark_held_locks+0xc7/0x130
[  445.247943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.253491]  ? check_preemption_disabled+0x48/0x280
[  445.258517]  ? zap_class+0x640/0x640
[  445.262235]  ? __lock_is_held+0xb5/0x140
[  445.266299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.271837]  ? check_preemption_disabled+0x48/0x280
[  445.276865]  ? __lock_is_held+0xb5/0x140
[  445.280944]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  445.285973]  ? inactive_list_is_low+0x305/0x880
[  445.290653]  ? lruvec_lru_size+0x450/0x450
[  445.294895]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  445.299830]  ? rcu_softirq_qs+0x20/0x20
[  445.303850]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  445.308796]  shrink_node_memcg+0x803/0x18f0
[  445.313141]  ? shrink_active_list+0x1c20/0x1c20
[  445.317820]  ? lock_downgrade+0x900/0x900
[  445.321985]  ? check_flush_dependency+0x410/0x410
[  445.326840]  ? kasan_check_read+0x11/0x20
[  445.331009]  ? ___preempt_schedule+0x16/0x18
[  445.335432]  ? _raw_spin_unlock+0x3f/0x50
[  445.339586]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  445.344785]  shrink_node+0x3bc/0x16b0
[  445.348592]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  445.353913]  ? shrink_node_memcg+0x18f0/0x18f0
[  445.358497]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.363088]  ? trace_hardirqs_on+0xbd/0x310
[  445.367408]  ? vmpressure+0x271/0x340
[  445.371214]  ? do_raw_spin_trylock+0x270/0x270
[  445.375806]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  445.381350]  ? __cpuset_node_allowed+0x19b/0x660
[  445.386112]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  445.391826]  ? vmpressure+0x1a2/0x340
[  445.395640]  do_try_to_free_pages+0x3e7/0x1290
[  445.400220]  ? zap_class+0x640/0x640
[  445.403951]  ? shrink_node+0x16b0/0x16b0
[  445.408019]  ? __lock_is_held+0xb5/0x140
[  445.412093]  try_to_free_pages+0x4d0/0xb90
[  445.416333]  ? do_try_to_free_pages+0x1290/0x1290
[  445.421184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.426736]  ? lock_acquire+0x1ed/0x520
[  445.430715]  ? set_page_refcounted+0x280/0x280
[  445.435303]  ? lock_release+0xa00/0xa00
[  445.439293]  ? perf_trace_sched_process_exec+0x860/0x860
[  445.444755]  __alloc_pages_slowpath+0x9c4/0x2d70
[  445.449547]  ? warn_alloc+0x120/0x120
[  445.453352]  ? rcu_softirq_qs+0x20/0x20
[  445.457358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.462900]  ? should_fail+0x22d/0xd01
[  445.466794]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.471903]  ? zap_class+0x640/0x640
[  445.475642]  ? __lock_is_held+0xb5/0x140
[  445.479721]  ? mark_held_locks+0x130/0x130
[  445.484117]  ? lock_release+0xa00/0xa00
[  445.488094]  ? perf_trace_sched_process_exec+0x860/0x860
[  445.493558]  ? __might_sleep+0x95/0x190
[  445.497537]  __alloc_pages_nodemask+0xa80/0xde0
[  445.502219]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  445.507241]  ? __page_cache_alloc+0x191/0x5c0
[  445.511739]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  445.516674]  ? kasan_check_read+0x11/0x20
[  445.520826]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.526108]  ? zap_class+0x640/0x640
[  445.529835]  ? zap_class+0x640/0x640
[  445.533550]  ? zap_class+0x640/0x640
[  445.537266]  ? __do_page_cache_readahead+0x7ce/0x980
[  445.542377]  ? find_held_lock+0x36/0x1c0
[  445.546446]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  445.551999]  alloc_pages_current+0x173/0x350
[  445.556422]  __page_cache_alloc+0x38c/0x5c0
[  445.560750]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  445.565685]  ? kasan_check_read+0x11/0x20
[  445.569835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.575116]  ? generic_perform_write+0x6a0/0x6a0
[  445.579877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.585418]  ? check_preemption_disabled+0x48/0x280
[  445.590443]  filemap_fault+0x1594/0x25f0
[  445.594520]  ? __lock_page_or_retry+0xa00/0xa00
[  445.599192]  ? mark_held_locks+0x130/0x130
[  445.603433]  ? rcu_softirq_qs+0x20/0x20
[  445.607426]  ? filemap_map_pages+0xe04/0x1990
[  445.611930]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.616519]  ? __free_object+0x173/0x340
[  445.620579]  ? debug_object_free+0x36f/0x690
[  445.624995]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  445.629928]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.635042]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  445.639722]  ? queue_work_on+0x12c/0x1e0
[  445.643795]  ? debug_object_free+0x36f/0x690
[  445.648210]  ? kasan_check_read+0x11/0x20
[  445.652362]  ? debug_object_destroy+0x2b0/0x2b0
[  445.657035]  ? lock_pi_update_atomic+0x150/0x150
[  445.661793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.667338]  ? __hrtimer_init+0xdb/0x240
[  445.671421]  ? lock_acquire+0x1ed/0x520
[  445.675401]  ? ext4_filemap_fault+0x7a/0xad
[  445.679730]  ? lock_release+0xa00/0xa00
[  445.683708]  ? perf_trace_sched_process_exec+0x860/0x860
[  445.689159]  ? print_usage_bug+0xc0/0xc0
[  445.693223]  ? print_usage_bug+0xc0/0xc0
[  445.697298]  ? down_read+0x8d/0x120
[  445.700924]  ? ext4_filemap_fault+0x7a/0xad
[  445.705250]  ? __down_interruptible+0x700/0x700
[  445.709935]  ext4_filemap_fault+0x82/0xad
[  445.714092]  __do_fault+0x100/0x6b0
[  445.717728]  ? pmd_devmap_trans_unstable+0x220/0x220
[  445.722838]  ? mark_held_locks+0x130/0x130
[  445.727078]  ? mark_held_locks+0x130/0x130
[  445.731326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.736870]  __handle_mm_fault+0x307c/0x5920
[  445.741275]  ? perf_trace_lock+0x7a0/0x7a0
[  445.745518]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  445.750373]  ? __switch_to_asm+0x34/0x70
[  445.754438]  ? __switch_to_asm+0x34/0x70
[  445.758512]  ? zap_class+0x640/0x640
[  445.762226]  ? zap_class+0x640/0x640
[  445.765946]  ? __x64_sys_futex+0x53e/0x6a0
[  445.770196]  ? find_held_lock+0x36/0x1c0
[  445.774276]  ? handle_mm_fault+0x42a/0xc70
[  445.778513]  ? lock_downgrade+0x900/0x900
[  445.782662]  ? check_preemption_disabled+0x48/0x280
[  445.787695]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  445.792631]  ? kasan_check_read+0x11/0x20
[  445.796787]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.802071]  ? rcu_softirq_qs+0x20/0x20
[  445.806050]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.811160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.816703]  ? check_preemption_disabled+0x48/0x280
[  445.821905]  handle_mm_fault+0x54f/0xc70
[  445.825985]  ? __handle_mm_fault+0x5920/0x5920
[  445.830575]  ? find_vma+0x34/0x190
[  445.834123]  __do_page_fault+0x5e8/0xe60
[  445.838188]  ? trace_hardirqs_off+0xb8/0x310
[  445.842612]  do_page_fault+0xf2/0x7e0
[  445.846414]  ? vmalloc_sync_all+0x30/0x30
[  445.850567]  ? error_entry+0x70/0xd0
[  445.854282]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.859300]  ? trace_hardirqs_on_caller+0xc0/0x310
[  445.864229]  ? syscall_return_slowpath+0x5e0/0x5e0
[  445.869161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.874010]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.879026]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  445.884491]  ? prepare_exit_to_usermode+0x291/0x3b0
[  445.889513]  ? page_fault+0x8/0x30
[  445.893059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.897911]  ? page_fault+0x8/0x30
[  445.901453]  page_fault+0x1e/0x30
[  445.904908] RIP: 0033:0x45ddf3
[  445.908115] Code: Bad RIP value.
[  445.911477] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  445.916844] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  445.924123] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  445.931391] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  445.938672] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  445.945937] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  445.953230] warn_alloc_show_mem: 1 callbacks suppressed
[  445.953242] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  445.953244] Mem-Info:
[  445.953275] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  445.953275]  active_file:15 inactive_file:12 isolated_file:0
[  445.953275]  unevictable:0 dirty:0 writeback:0 unstable:0
[  445.953275]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  445.953275]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  445.953275]  free:13694 free_pcp:0 free_cma:0
[  445.958621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  445.965560] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  445.967964] Call Trace:
[  446.000837] Node 0 
[  446.010192]  <IRQ>
[  446.037876] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  446.040441]  dump_stack+0x244/0x39d
[  446.042676] lowmem_reserve[]:
[  446.044830]  ? dump_stack_print_info.cold.1+0x20/0x20
[  446.070312]  0
[  446.073946]  warn_alloc.cold.117+0xb7/0x1bd
[  446.077026]  2819
[  446.082214]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  446.083999]  6323
[  446.088319]  ? lock_downgrade+0x900/0x900
[  446.090361]  6323
[  446.095205]  ? trace_hardirqs_off+0xb8/0x310
[  446.101393]  ? trace_hardirqs_off+0xb8/0x310
[  446.103434] Node 0 
[  446.107847]  __alloc_pages_slowpath+0x2660/0x2d70
[  446.112257] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  446.114495]  ? warn_alloc+0x120/0x120
[  446.119292] lowmem_reserve[]:
[  446.146012]  ? warn_alloc+0x120/0x120
[  446.149796]  0 0
[  446.152912]  ? print_usage_bug+0xc0/0xc0
[  446.156695]  3503
[  446.158672]  ? warn_alloc+0x120/0x120
[  446.162714]  3503
[  446.164775]  ? print_usage_bug+0xc0/0xc0
[  446.170614]  ? __lock_acquire+0x62f/0x4c20
[  446.174654] Node 0 
[  446.178882]  ? __lock_acquire+0x62f/0x4c20
[  446.178921] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  446.181127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.185344] lowmem_reserve[]:
[  446.213487]  ? should_fail+0x22d/0xd01
[  446.219010]  0
[  446.222123]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.225989]  0
[  446.227797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.233052]  0
[  446.234857]  ? __lock_acquire+0x62f/0x4c20
[  446.239939]  0
[  446.241741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.247757]  ? __lock_acquire+0x62f/0x4c20
[  446.252839] Node 0 
[  446.257070]  ? should_fail+0x22d/0xd01
[  446.257081] DMA: 
[  446.259315]  ? rcu_irq_exit+0x1a2/0x390
[  446.263180] 1*4kB (U) 
[  446.265256]  ? mark_held_locks+0x130/0x130
[  446.269215] 0*8kB 
[  446.271710]  ? mark_held_locks+0x130/0x130
[  446.275927] 0*16kB 
[  446.278080]  ? mark_held_locks+0xc7/0x130
[  446.282295] 1*32kB 
[  446.284538]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  446.288665] (U) 
[  446.290902]  ? zap_class+0x640/0x640
[  446.295903] 2*64kB 
[  446.297881]  ? print_usage_bug+0xc0/0xc0
[  446.301575] (U) 
[  446.303810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.307861] 1*128kB 
[  446.309836]  ? check_preemption_disabled+0x48/0x280
[  446.315356] (U) 
[  446.317686]  ? __lock_is_held+0xb5/0x140
[  446.322694] 1*256kB (U) 
[  446.324685]  __alloc_pages_nodemask+0xa80/0xde0
[  446.328723] 0*512kB 
[  446.331390]  ? zap_class+0x640/0x640
[  446.336044] 1*1024kB 
[  446.338366]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  446.342060] (U) 
[  446.344479]  ? find_held_lock+0x36/0x1c0
[  446.349466] 1*2048kB 
[  446.351455]  ? ____cache_alloc_node+0x1c7/0x1e0
[  446.355488] (M) 
[  446.357899]  ? lock_downgrade+0x900/0x900
[  446.362549] 3*4096kB 
[  446.364531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.368653] (M) 
[  446.371063]  cache_grow_begin+0xa5/0x8c0
[  446.376581] = 15908kB
[  446.378560]  ? do_raw_spin_unlock+0xa7/0x330
[  446.382605] Node 0 
[  446.385017]  fallback_alloc+0x204/0x2e0
[  446.389403] DMA32: 
[  446.391665]  ____cache_alloc_node+0x1c7/0x1e0
[  446.395617] 2*4kB 
[  446.397856]  kmem_cache_alloc_node+0xe3/0x730
[  446.402329] (M) 
[  446.404484]  ? ipv6_get_ifaddr+0x42e/0x620
[  446.408959] 3*8kB 
[  446.410942]  __alloc_skb+0x119/0x770
[  446.415149] (UM) 
[  446.417310]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.420995] 3*16kB (UM) 
[  446.423069]  ? netdev_alloc_frag+0x1f0/0x1f0
[  446.428318] 4*32kB (UM) 
[  446.430999]  ? lock_downgrade+0x900/0x900
[  446.435385] 5*64kB 
[  446.438057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.442175] (UM) 4*128kB (M) 
[  446.444434]  ? refcount_sub_and_test_checked+0x203/0x310
[  446.449953] 5*256kB 
[  446.453064]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  446.458495] (UM) 
[  446.460821]  ? addrconf_rs_timer+0x690/0x690
[  446.466255] 5*512kB 
[  446.468328]  ndisc_alloc_skb+0x144/0x340
[  446.472708] (UM) 
[  446.475032]  ndisc_send_rs+0x331/0x6e0
[  446.479073] 4*1024kB 
[  446.481138]  addrconf_rs_timer+0x314/0x690
[  446.485007] (UM) 
[  446.487424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.491637] 2*2048kB 
[  446.493710]  call_timer_fn+0x272/0x920
[  446.497915] (M) 
[  446.500326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.504210] 3*4096kB 
[  446.506196]  ? process_timeout+0x40/0x40
[  446.510412] (M) 
[  446.512829]  ? __run_timers+0x7da/0xc70
[  446.516865] = 25360kB
[  446.518842]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.522798] Node 0 
[  446.525212]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.529689] Normal: 
[  446.531926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.536401] 783*4kB 
[  446.538726]  ? lockdep_hardirqs_on+0x296/0x5b0
[  446.542942] (UMEH) 
[  446.545267]  ? trace_hardirqs_on+0xbd/0x310
[  446.549829] 379*8kB 
[  446.552066]  ? kasan_check_read+0x11/0x20
[  446.556369] (MEH) 
[  446.558696]  ? __run_timers+0x7da/0xc70
[  446.562823] 205*16kB 
[  446.564970]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.568933] (UMEH) 
[  446.571349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.576432] 93*32kB 
[  446.578668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.582882] (UMEH) 
[  446.585208]  __run_timers+0x7e5/0xc70
[  446.589597] 24*64kB (UMH) 
[  446.591859]  ? timer_fixup_init+0x70/0x70
[  446.595633] 1*128kB 
[  446.598482]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  446.602605] (H) 
[  446.604927]  ? zap_class+0x640/0x640
[  446.609925] 0*256kB 
[  446.611907]  ? enqueue_hrtimer+0x1a5/0x560
[  446.615603] 0*512kB 
[  446.617929]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  446.622144] 0*1024kB 
[  446.624478]  ? find_held_lock+0x36/0x1c0
[  446.629639] 0*2048kB 
[  446.632048]  ? zap_class+0x640/0x640
[  446.636092] 0*4096kB 
[  446.638509]  ? pvclock_read_flags+0x160/0x160
[  446.642208] = 14084kB
[  446.644617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.649099] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  446.651507]  ? check_preemption_disabled+0x48/0x280
[  446.657035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  446.665884]  ? __lock_is_held+0xb5/0x140
[  446.670881] 1070 total pagecache pages
[  446.679458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.683506] 0 pages in swap cache
[  446.687382]  ? check_preemption_disabled+0x48/0x280
[  446.692896] Swap cache stats: add 0, delete 0, find 0/0
[  446.692906] Free swap  = 0kB
[  446.696361]  run_timer_softirq+0x52/0xb0
[  446.701357] Total swap = 0kB
[  446.706719]  ? rcu_read_lock_sched_held+0x14f/0x180
[  446.709721] 1965979 pages RAM
[  446.713784]  __do_softirq+0x308/0xb7e
[  446.716782] 0 pages HighMem/MovableOnly
[  446.721795]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  446.724882] 342293 pages reserved
[  446.728682]  ? lock_downgrade+0x900/0x900
[  446.732635] 0 pages cma reserved
[  446.737132]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  446.740705] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  446.744707]  ? pvclock_read_flags+0x160/0x160
[  446.748049] syz-fuzzer cpuset=
[  446.753156]  ? lapic_next_event+0x5a/0x90
[  446.763366] /
[  446.767862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.771039]  mems_allowed=0
[  446.775182]  ? kvm_clock_read+0x18/0x30
[  446.789304]  ? kvm_sched_clock_read+0x9/0x20
[  446.793718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.799297]  ? check_preemption_disabled+0x48/0x280
[  446.804348]  irq_exit+0x17f/0x1c0
[  446.807814]  smp_apic_timer_interrupt+0x1cb/0x760
[  446.812660]  ? smp_reschedule_interrupt+0x109/0x650
[  446.817682]  ? smp_call_function_single_interrupt+0x650/0x650
[  446.823578]  ? interrupt_entry+0xb5/0xc0
[  446.827644]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.832660]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.837683]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.842529]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.847547]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.852581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.857435]  apic_timer_interrupt+0xf/0x20
[  446.861683]  </IRQ>
[  446.863922] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  446.868868] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  446.887775] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  446.895495] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  446.902764] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  446.910034] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  446.917321] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  446.924590] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  446.931904]  skb_clone+0x1bb/0x500
[  446.935453]  ? finish_task_switch+0x1b4/0x910
[  446.939960]  ? skb_split+0x11e0/0x11e0
[  446.943853]  ? preempt_notifier_register+0x200/0x200
[  446.948959]  ? __switch_to_asm+0x34/0x70
[  446.953020]  ? __switch_to_asm+0x34/0x70
[  446.957086]  ? __switch_to_asm+0x40/0x70
[  446.961148]  ? __switch_to_asm+0x34/0x70
[  446.965214]  ? __switch_to_asm+0x40/0x70
[  446.969284]  ? __switch_to_asm+0x34/0x70
[  446.973348]  ? __switch_to_asm+0x40/0x70
[  446.977415]  ? __switch_to_asm+0x34/0x70
[  446.981483]  ? __switch_to_asm+0x34/0x70
[  446.985547]  ? __switch_to_asm+0x40/0x70
[  446.989611]  ? __switch_to_asm+0x34/0x70
[  446.993683]  bpf_clone_redirect+0xb9/0x490
[  446.997928]  ? __schedule+0x8d7/0x21d0
[  447.001826]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  447.006853]  ? __sched_text_start+0x8/0x8
[  447.011019]  ? find_held_lock+0x36/0x1c0
[  447.015093]  ? lock_acquire+0x1ed/0x520
[  447.019070]  ? bpf_test_run+0x3cb/0x780
[  447.023050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.028595]  ? check_preemption_disabled+0x48/0x280
[  447.033623]  ? kasan_check_read+0x11/0x20
[  447.037775]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.043055]  ? rcu_softirq_qs+0x20/0x20
[  447.047039]  ? preempt_schedule+0x4d/0x60
[  447.051196]  ? ___preempt_schedule+0x16/0x18
[  447.055622]  ? bpf_test_run+0x25d/0x780
[  447.059612]  ? netlink_diag_dump+0x2a0/0x2a0
[  447.064025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.069564]  ? bpf_test_init.isra.10+0x70/0x100
[  447.074245]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  447.079019]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  447.083863]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  447.089406]  ? fput+0x130/0x1a0
[  447.092696]  ? __bpf_prog_get+0x9b/0x290
[  447.096767]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  447.101614]  ? bpf_prog_test_run+0x130/0x1a0
[  447.106030]  ? __x64_sys_bpf+0x3d8/0x520
[  447.110098]  ? bpf_prog_get+0x20/0x20
[  447.113925]  ? do_syscall_64+0x1b9/0x820
[  447.117996]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  447.123368]  ? syscall_return_slowpath+0x5e0/0x5e0
[  447.128307]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.133333]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  447.138357]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  447.145028]  ? __switch_to_asm+0x40/0x70
[  447.149094]  ? __switch_to_asm+0x34/0x70
[  447.153164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.158023]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  447.163408] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  447.163482] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  447.169997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  447.170003] Call Trace:
[  447.170009]  <IRQ>
[  447.170027]  dump_stack+0x244/0x39d
[  447.170047]  ? dump_stack_print_info.cold.1+0x20/0x20
[  447.176615] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  447.185895]  warn_alloc.cold.117+0xb7/0x1bd
[  447.188458] syz-executor1 cpuset=
[  447.190614]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  447.194220] syz1
[  447.199410]  ? lock_downgrade+0x900/0x900
[  447.209883]  mems_allowed=0
[  447.214207]  ? trace_hardirqs_off+0xb8/0x310
[  447.235920]  ? trace_hardirqs_off+0xb8/0x310
[  447.240346]  __alloc_pages_slowpath+0x2660/0x2d70
[  447.245236]  ? warn_alloc+0x120/0x120
[  447.249050]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  447.254074]  ? warn_alloc+0x120/0x120
[  447.257880]  ? print_usage_bug+0xc0/0xc0
[  447.261941]  ? warn_alloc+0x120/0x120
[  447.265749]  ? print_usage_bug+0xc0/0xc0
[  447.269818]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  447.275021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.280567]  ? should_fail+0x22d/0xd01
[  447.284468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.289576]  ? __lock_acquire+0x62f/0x4c20
[  447.293819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.298930]  ? should_fail+0x22d/0xd01
[  447.302839]  ? mark_held_locks+0x130/0x130
[  447.307080]  ? mark_held_locks+0x130/0x130
[  447.311316]  ? print_usage_bug+0xc0/0xc0
[  447.315385]  ? find_held_lock+0x36/0x1c0
[  447.319456]  ? zap_class+0x640/0x640
[  447.323188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.328734]  ? check_preemption_disabled+0x48/0x280
[  447.333767]  ? __lock_is_held+0xb5/0x140
[  447.337842]  __alloc_pages_nodemask+0xa80/0xde0
[  447.342516]  ? zap_class+0x640/0x640
[  447.346237]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  447.351271]  ? find_held_lock+0x36/0x1c0
[  447.355345]  ? ____cache_alloc_node+0x1c7/0x1e0
[  447.360016]  ? lock_downgrade+0x900/0x900
[  447.364185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.369737]  cache_grow_begin+0xa5/0x8c0
[  447.373803]  ? do_raw_spin_unlock+0xa7/0x330
[  447.378226]  fallback_alloc+0x204/0x2e0
[  447.382221]  ____cache_alloc_node+0x1c7/0x1e0
[  447.386723]  kmem_cache_alloc_node+0xe3/0x730
[  447.391220]  ? mark_held_locks+0xc7/0x130
[  447.395387]  __alloc_skb+0x119/0x770
[  447.399113]  ? netdev_alloc_frag+0x1f0/0x1f0
[  447.403524]  ? do_raw_spin_trylock+0x270/0x270
[  447.408113]  ? kmem_cache_alloc_trace+0x353/0x750
[  447.412975]  ? queue_work_on+0x12c/0x1e0
[  447.417047]  ? switchdev_port_obj_del+0xdc/0x440
[  447.421829]  ? switchdev_trans_item_enqueue+0x260/0x260
[  447.427210]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  447.432253]  __br_mdb_notify+0x4ff/0x15d0
[  447.436406]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  447.441529]  ? __br_mdb_add+0x7f0/0x7f0
[  447.445517]  ? mark_held_locks+0x130/0x130
[  447.449761]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  447.454872]  ? debug_object_assert_init+0x368/0x4b0
[  447.459897]  ? debug_object_init_on_stack+0x20/0x20
[  447.464918]  ? zap_class+0x640/0x640
[  447.468642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.474207]  br_mdb_notify+0x310/0x410
[  447.478102]  ? br_mdb_dump+0x27b0/0x27b0
[  447.482378]  br_multicast_del_pg+0x3df/0x790
[  447.486801]  ? br_mdb_ip_get+0x940/0x940
[  447.490868]  ? rwlock_bug.part.2+0x90/0x90
[  447.495113]  ? __lock_is_held+0xb5/0x140
[  447.499192]  br_multicast_port_group_expired+0x189/0x1e0
[  447.504654]  call_timer_fn+0x272/0x920
[  447.508553]  ? br_multicast_del_pg+0x790/0x790
[  447.513140]  ? process_timeout+0x40/0x40
[  447.517214]  ? mark_held_locks+0xc7/0x130
[  447.521372]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.525869]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.530366]  ? br_multicast_del_pg+0x790/0x790
[  447.534948]  ? lockdep_hardirqs_on+0x296/0x5b0
[  447.539539]  ? trace_hardirqs_on+0xbd/0x310
[  447.543863]  ? kasan_check_read+0x11/0x20
[  447.548014]  ? __run_timers+0x7da/0xc70
[  447.552000]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.557112]  ? br_multicast_del_pg+0x790/0x790
[  447.561710]  ? br_multicast_del_pg+0x790/0x790
[  447.566299]  __run_timers+0x7e5/0xc70
[  447.570132]  ? timer_fixup_init+0x70/0x70
[  447.574288]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  447.579317]  ? zap_class+0x640/0x640
[  447.583043]  ? print_usage_bug+0xc0/0xc0
[  447.587110]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  447.592311]  ? find_held_lock+0x36/0x1c0
[  447.596382]  ? zap_class+0x640/0x640
[  447.600105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.605650]  ? check_preemption_disabled+0x48/0x280
[  447.610682]  ? __lock_is_held+0xb5/0x140
[  447.614748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.620289]  ? check_preemption_disabled+0x48/0x280
[  447.625315]  run_timer_softirq+0x52/0xb0
[  447.629384]  ? rcu_read_lock_sched_held+0x14f/0x180
[  447.634408]  __do_softirq+0x308/0xb7e
[  447.638220]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  447.642716]  ? lock_downgrade+0x900/0x900
[  447.646876]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  447.651996]  ? pvclock_read_flags+0x160/0x160
[  447.656498]  ? lapic_next_event+0x5a/0x90
[  447.660657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.666204]  ? kvm_clock_read+0x18/0x30
[  447.670183]  ? kvm_sched_clock_read+0x9/0x20
[  447.674597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.680141]  ? check_preemption_disabled+0x48/0x280
[  447.685173]  irq_exit+0x17f/0x1c0
[  447.688633]  smp_apic_timer_interrupt+0x1cb/0x760
[  447.693489]  ? smp_call_function_single_interrupt+0x650/0x650
[  447.699385]  ? interrupt_entry+0xb5/0xc0
[  447.703450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  447.708468]  ? trace_hardirqs_off_caller+0xbb/0x310
[  447.713495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.718351]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.723367]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.728561]  ? task_prio+0x50/0x50
[  447.732108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.737654]  ? check_preemption_disabled+0x48/0x280
[  447.742682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.747538]  apic_timer_interrupt+0xf/0x20
[  447.751768]  </IRQ>
[  447.754012] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  447.759124] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  447.778634] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  447.786346] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  447.793618] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  447.800889] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  447.808160] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  447.815431] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  447.822736]  shrink_active_list+0x67b/0x1c20
[  447.827148]  ? free_unref_page_list+0xd1b/0x11e0
[  447.831918]  ? shrink_inactive_list+0xa4a/0x1c60
[  447.836692]  ? zap_class+0x60f/0x640
[  447.840410]  ? shrink_inactive_list+0x1c60/0x1c60
[  447.845268]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.849773]  ? find_held_lock+0x36/0x1c0
[  447.853842]  ? __page_frag_cache_drain+0x200/0x200
[  447.858776]  ? print_usage_bug+0xc0/0xc0
[  447.862855]  ? find_held_lock+0x36/0x1c0
[  447.866928]  ? zap_class+0x640/0x640
[  447.870650]  ? mark_held_locks+0xc7/0x130
[  447.874803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.880347]  ? check_preemption_disabled+0x48/0x280
[  447.885372]  ? zap_class+0x640/0x640
[  447.889088]  ? __lock_is_held+0xb5/0x140
[  447.893153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.898695]  ? check_preemption_disabled+0x48/0x280
[  447.903724]  ? __lock_is_held+0xb5/0x140
[  447.907802]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  447.912822]  ? inactive_list_is_low+0x305/0x880
[  447.917504]  ? lruvec_lru_size+0x450/0x450
[  447.921748]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.926687]  ? rcu_softirq_qs+0x20/0x20
[  447.930671]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  447.935615]  shrink_node_memcg+0x803/0x18f0
[  447.939956]  ? shrink_active_list+0x1c20/0x1c20
[  447.944646]  ? lock_downgrade+0x900/0x900
[  447.948801]  ? check_flush_dependency+0x410/0x410
[  447.953658]  ? kasan_check_read+0x11/0x20
[  447.957821]  ? ___preempt_schedule+0x16/0x18
[  447.962247]  ? _raw_spin_unlock+0x3f/0x50
[  447.966403]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  447.971598]  shrink_node+0x3bc/0x16b0
[  447.975408]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  447.980717]  ? shrink_node_memcg+0x18f0/0x18f0
[  447.985307]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  447.989893]  ? trace_hardirqs_on+0xbd/0x310
[  447.994218]  ? vmpressure+0x271/0x340
[  447.998029]  ? do_raw_spin_trylock+0x270/0x270
[  448.002621]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  448.008174]  ? __cpuset_node_allowed+0x19b/0x660
[  448.012941]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  448.018659]  ? vmpressure+0x1a2/0x340
[  448.022474]  do_try_to_free_pages+0x3e7/0x1290
[  448.027057]  ? zap_class+0x640/0x640
[  448.030790]  ? shrink_node+0x16b0/0x16b0
[  448.034859]  ? __lock_is_held+0xb5/0x140
[  448.038940]  try_to_free_pages+0x4d0/0xb90
[  448.043194]  ? do_try_to_free_pages+0x1290/0x1290
[  448.048038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.053592]  ? lock_acquire+0x1ed/0x520
[  448.057574]  ? set_page_refcounted+0x280/0x280
[  448.062171]  ? lock_release+0xa00/0xa00
[  448.066163]  ? perf_trace_sched_process_exec+0x860/0x860
[  448.071634]  __alloc_pages_slowpath+0x9c4/0x2d70
[  448.076430]  ? warn_alloc+0x120/0x120
[  448.080240]  ? rcu_softirq_qs+0x20/0x20
[  448.084251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.089797]  ? should_fail+0x22d/0xd01
[  448.093695]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.098804]  ? zap_class+0x640/0x640
[  448.102546]  ? __lock_is_held+0xb5/0x140
[  448.106617]  ? mark_held_locks+0x130/0x130
[  448.110859]  ? lock_release+0xa00/0xa00
[  448.114838]  ? perf_trace_sched_process_exec+0x860/0x860
[  448.120305]  ? __might_sleep+0x95/0x190
[  448.124293]  __alloc_pages_nodemask+0xa80/0xde0
[  448.128983]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  448.134006]  ? __page_cache_alloc+0x191/0x5c0
[  448.138506]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  448.143439]  ? kasan_check_read+0x11/0x20
[  448.147593]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.152880]  ? zap_class+0x640/0x640
[  448.156606]  ? zap_class+0x640/0x640
[  448.160325]  ? zap_class+0x640/0x640
[  448.164045]  ? __do_page_cache_readahead+0x7ce/0x980
[  448.169154]  ? find_held_lock+0x36/0x1c0
[  448.173226]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  448.178774]  alloc_pages_current+0x173/0x350
[  448.183195]  __page_cache_alloc+0x38c/0x5c0
[  448.187525]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  448.192457]  ? kasan_check_read+0x11/0x20
[  448.196614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.201896]  ? generic_perform_write+0x6a0/0x6a0
[  448.206678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.212219]  ? check_preemption_disabled+0x48/0x280
[  448.217246]  filemap_fault+0x1594/0x25f0
[  448.221327]  ? __lock_page_or_retry+0xa00/0xa00
[  448.226004]  ? mark_held_locks+0x130/0x130
[  448.230246]  ? rcu_softirq_qs+0x20/0x20
[  448.234244]  ? filemap_map_pages+0xe04/0x1990
[  448.238755]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  448.243343]  ? __free_object+0x173/0x340
[  448.247409]  ? debug_object_free+0x36f/0x690
[  448.251821]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  448.256766]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.261878]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  448.266560]  ? queue_work_on+0x12c/0x1e0
[  448.270635]  ? debug_object_free+0x36f/0x690
[  448.275048]  ? kasan_check_read+0x11/0x20
[  448.279207]  ? debug_object_destroy+0x2b0/0x2b0
[  448.283906]  ? lock_pi_update_atomic+0x150/0x150
[  448.288670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.294214]  ? __hrtimer_init+0xdb/0x240
[  448.298295]  ? lock_acquire+0x1ed/0x520
[  448.302274]  ? ext4_filemap_fault+0x7a/0xad
[  448.306605]  ? lock_release+0xa00/0xa00
[  448.310582]  ? perf_trace_sched_process_exec+0x860/0x860
[  448.316036]  ? print_usage_bug+0xc0/0xc0
[  448.320106]  ? print_usage_bug+0xc0/0xc0
[  448.324188]  ? down_read+0x8d/0x120
[  448.327820]  ? ext4_filemap_fault+0x7a/0xad
[  448.332146]  ? __down_interruptible+0x700/0x700
[  448.336836]  ext4_filemap_fault+0x82/0xad
[  448.340999]  __do_fault+0x100/0x6b0
[  448.344635]  ? pmd_devmap_trans_unstable+0x220/0x220
[  448.349748]  ? mark_held_locks+0x130/0x130
[  448.353992]  ? mark_held_locks+0x130/0x130
[  448.358243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.363791]  __handle_mm_fault+0x307c/0x5920
[  448.368208]  ? perf_trace_lock+0x7a0/0x7a0
[  448.372454]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  448.377311]  ? __switch_to_asm+0x34/0x70
[  448.381380]  ? __switch_to_asm+0x34/0x70
[  448.385468]  ? zap_class+0x640/0x640
[  448.389186]  ? zap_class+0x640/0x640
[  448.392910]  ? __x64_sys_futex+0x53e/0x6a0
[  448.397152]  ? find_held_lock+0x36/0x1c0
[  448.401230]  ? handle_mm_fault+0x42a/0xc70
[  448.405467]  ? lock_downgrade+0x900/0x900
[  448.409621]  ? check_preemption_disabled+0x48/0x280
[  448.414647]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  448.419580]  ? kasan_check_read+0x11/0x20
[  448.423732]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.429017]  ? rcu_softirq_qs+0x20/0x20
[  448.433005]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.438114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.443686]  ? check_preemption_disabled+0x48/0x280
[  448.448729]  handle_mm_fault+0x54f/0xc70
[  448.452804]  ? __handle_mm_fault+0x5920/0x5920
[  448.457400]  ? find_vma+0x34/0x190
[  448.460960]  __do_page_fault+0x5e8/0xe60
[  448.465036]  ? trace_hardirqs_off+0xb8/0x310
[  448.469465]  do_page_fault+0xf2/0x7e0
[  448.473277]  ? vmalloc_sync_all+0x30/0x30
[  448.477431]  ? error_entry+0x70/0xd0
[  448.481149]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.486167]  ? trace_hardirqs_on_caller+0xc0/0x310
[  448.491104]  ? syscall_return_slowpath+0x5e0/0x5e0
[  448.496043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.500893]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.505916]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  448.511377]  ? prepare_exit_to_usermode+0x291/0x3b0
[  448.516404]  ? page_fault+0x8/0x30
[  448.519955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.524813]  ? page_fault+0x8/0x30
[  448.528358]  page_fault+0x1e/0x30
[  448.531816] RIP: 0033:0x45ddf3
[  448.535028] Code: Bad RIP value.
[  448.538392] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  448.543787] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  448.551077] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  448.558348] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  448.565617] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  448.572888] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  448.580187] warn_alloc_show_mem: 1 callbacks suppressed
[  448.580199] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  448.580201] Mem-Info:
[  448.580231] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  448.580231]  active_file:15 inactive_file:12 isolated_file:0
[  448.580231]  unevictable:0 dirty:0 writeback:0 unstable:0
[  448.580231]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  448.580231]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  448.580231]  free:13694 free_pcp:0 free_cma:0
[  448.585580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  448.593012] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  448.595422] Call Trace:
[  448.628295] Node 0 
[  448.637644]  <IRQ>
[  448.665335] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  448.667901]  dump_stack+0x244/0x39d
[  448.670111] lowmem_reserve[]: 0
[  448.672276]  ? dump_stack_print_info.cold.1+0x20/0x20
[  448.697756]  2819
[  448.701396]  warn_alloc.cold.117+0xb7/0x1bd
[  448.704649]  6323
[  448.709835]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  448.711878]  6323
[  448.716203]  ? lock_downgrade+0x900/0x900
[  448.723100]  ? trace_hardirqs_off+0xb8/0x310
[  448.725145] Node 0 
[  448.729294]  ? trace_hardirqs_off+0xb8/0x310
[  448.733709] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  448.735926]  __alloc_pages_slowpath+0x2660/0x2d70
[  448.740303] lowmem_reserve[]: 0
[  448.767063]  ? warn_alloc+0x120/0x120
[  448.771855]  0 3503
[  448.775147]  ? warn_alloc+0x120/0x120
[  448.778926]  3503
[  448.781169]  ? print_usage_bug+0xc0/0xc0
[  448.787020]  ? warn_alloc+0x120/0x120
[  448.791065] Node 0 
[  448.794865]  ? print_usage_bug+0xc0/0xc0
[  448.794897] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  448.794905] lowmem_reserve[]:
[  448.797141]  ? __lock_acquire+0x62f/0x4c20
[  448.801188]  0 0
[  448.829342]  ? __lock_acquire+0x62f/0x4c20
[  448.832434]  0
[  448.836669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.838627]  0
[  448.842867]  ? should_fail+0x22d/0xd01
[  448.850201]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.851990] Node 0 
[  448.855897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.861151] DMA: 
[  448.863391]  ? __lock_acquire+0x62f/0x4c20
[  448.868480] 1*4kB 
[  448.870544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.874756] (U) 
[  448.876908]  ? __lock_acquire+0x62f/0x4c20
[  448.881997] 0*8kB 
[  448.883973]  ? should_fail+0x22d/0xd01
[  448.888205] 0*16kB 
[  448.890356]  ? rcu_irq_exit+0x1a2/0x390
[  448.894222] 1*32kB 
[  448.896465]  ? mark_held_locks+0x130/0x130
[  448.900416] (U) 
[  448.902655]  ? mark_held_locks+0x130/0x130
[  448.906865] 2*64kB (U) 
[  448.908853]  ? mark_held_locks+0xc7/0x130
[  448.913069] 1*128kB 
[  448.915658]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  448.919781] (U) 
[  448.922107]  ? zap_class+0x640/0x640
[  448.927106] 1*256kB 
[  448.929079]  ? print_usage_bug+0xc0/0xc0
[  448.932772] (U) 
[  448.935100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.939141] 0*512kB 
[  448.941117]  ? check_preemption_disabled+0x48/0x280
[  448.946629] 1*1024kB (U) 
[  448.948968]  ? __lock_is_held+0xb5/0x140
[  448.953965] 1*2048kB 
[  448.956723]  __alloc_pages_nodemask+0xa80/0xde0
[  448.960761] (M) 
[  448.963174]  ? zap_class+0x640/0x640
[  448.967831] 3*4096kB (M) 
[  448.969820]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  448.973508] = 15908kB
[  448.973518] Node 0 
[  448.976281]  ? find_held_lock+0x36/0x1c0
[  448.981270] DMA32: 
[  448.983713]  ? ____cache_alloc_node+0x1c7/0x1e0
[  448.985903] 2*4kB 
[  448.989959]  ? lock_downgrade+0x900/0x900
[  448.992182] (M) 
[  448.996855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.998986] 3*8kB 
[  449.003137]  cache_grow_begin+0xa5/0x8c0
[  449.005097] (UM) 
[  449.010636]  ? do_raw_spin_unlock+0xa7/0x330
[  449.012768] 3*16kB 
[  449.016831]  fallback_alloc+0x204/0x2e0
[  449.018868] (UM) 
[  449.023296]  ____cache_alloc_node+0x1c7/0x1e0
[  449.025517] 4*32kB 
[  449.029497]  kmem_cache_alloc_node+0xe3/0x730
[  449.031546] (UM) 
[  449.036041]  ? ipv6_get_ifaddr+0x42e/0x620
[  449.038264] 5*64kB 
[  449.042768]  __alloc_skb+0x119/0x770
[  449.044807] (UM) 
[  449.049046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.051262] 4*128kB 
[  449.054975]  ? netdev_alloc_frag+0x1f0/0x1f0
[  449.057026] (M) 
[  449.062304]  ? lock_downgrade+0x900/0x900
[  449.064608] 5*256kB 
[  449.069020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.070983] (UM) 
[  449.075136]  ? refcount_sub_and_test_checked+0x203/0x310
[  449.077438] 5*512kB 
[  449.082988]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  449.085029] (UM) 
[  449.090484]  ? addrconf_rs_timer+0x690/0x690
[  449.092789] 4*1024kB 
[  449.098245]  ndisc_alloc_skb+0x144/0x340
[  449.100285] (UM) 
[  449.104693]  ndisc_send_rs+0x331/0x6e0
[  449.107086] 2*2048kB 
[  449.111150]  addrconf_rs_timer+0x314/0x690
[  449.113201] (M) 
[  449.117088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.119473] 3*4096kB (M) 
[  449.123724]  call_timer_fn+0x272/0x920
[  449.125672] = 25360kB
[  449.129903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.132648] Node 0 
[  449.136534]  ? process_timeout+0x40/0x40
[  449.138923] Normal: 
[  449.143163]  ? __run_timers+0x7da/0xc70
[  449.145387] 783*4kB 
[  449.149450]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.151754] (UMEH) 
[  449.155728]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.158035] 379*8kB 
[  449.162522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.162539]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.164762] (MEH) 
[  449.169255]  ? trace_hardirqs_on+0xbd/0x310
[  449.171560] 205*16kB 
[  449.175793]  ? kasan_check_read+0x11/0x20
[  449.180355] (UMEH) 
[  449.182508]  ? __run_timers+0x7da/0xc70
[  449.186809] 93*32kB 
[  449.189219]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.193350] (UMEH) 
[  449.195589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.199543] 24*64kB 
[  449.201864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  449.206944] (UMH) 
[  449.209183]  __run_timers+0x7e5/0xc70
[  449.213404] 1*128kB 
[  449.215739]  ? timer_fixup_init+0x70/0x70
[  449.219949] (H) 
[  449.222100]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  449.225880] 0*256kB 
[  449.228207]  ? zap_class+0x640/0x640
[  449.232343] 0*512kB 
[  449.234324]  ? enqueue_hrtimer+0x1a5/0x560
[  449.239315] 0*1024kB 
[  449.241640]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  449.245328] 0*2048kB 0*4096kB 
[  449.247665]  ? find_held_lock+0x36/0x1c0
[  449.251875] = 14084kB
[  449.254289]  ? zap_class+0x640/0x640
[  449.259463] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  449.262661]  ? pvclock_read_flags+0x160/0x160
[  449.266704] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  449.269108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.272806] 1070 total pagecache pages
[  449.281642]  ? check_preemption_disabled+0x48/0x280
[  449.286124] 0 pages in swap cache
[  449.294696]  ? __lock_is_held+0xb5/0x140
[  449.300247] Swap cache stats: add 0, delete 0, find 0/0
[  449.304135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.309129] Free swap  = 0kB
[  449.312584]  ? check_preemption_disabled+0x48/0x280
[  449.316630] Total swap = 0kB
[  449.322002]  run_timer_softirq+0x52/0xb0
[  449.327516] 1965979 pages RAM
[  449.330533]  ? rcu_read_lock_sched_held+0x14f/0x180
[  449.335527] 0 pages HighMem/MovableOnly
[  449.338549]  __do_softirq+0x308/0xb7e
[  449.342589] 342293 pages reserved
[  449.345691]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  449.350690] 0 pages cma reserved
[  449.354668]  ? lock_downgrade+0x900/0x900
[  449.358596] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  449.361912]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  449.366386] syz-fuzzer cpuset=
[  449.369760]  ? pvclock_read_flags+0x160/0x160
[  449.373888] /
[  449.384117]  ? lapic_next_event+0x5a/0x90
[  449.389213]  mems_allowed=0
[  449.392402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.411171]  ? kvm_clock_read+0x18/0x30
[  449.415150]  ? kvm_sched_clock_read+0x9/0x20
[  449.419562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.425102]  ? check_preemption_disabled+0x48/0x280
[  449.430135]  irq_exit+0x17f/0x1c0
[  449.433595]  smp_apic_timer_interrupt+0x1cb/0x760
[  449.438447]  ? smp_reschedule_interrupt+0x109/0x650
[  449.443485]  ? smp_call_function_single_interrupt+0x650/0x650
[  449.449375]  ? interrupt_entry+0xb5/0xc0
[  449.453441]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.458471]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.463498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.468350]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.473365]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.478403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.483773]  apic_timer_interrupt+0xf/0x20
[  449.488005]  </IRQ>
[  449.490250] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  449.495189] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  449.514097] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  449.521811] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  449.529092] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  449.536361] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  449.543630] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  449.550899] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  449.558526]  skb_clone+0x1bb/0x500
[  449.562075]  ? finish_task_switch+0x1b4/0x910
[  449.566577]  ? skb_split+0x11e0/0x11e0
[  449.570474]  ? preempt_notifier_register+0x200/0x200
[  449.575579]  ? __switch_to_asm+0x34/0x70
[  449.579643]  ? __switch_to_asm+0x34/0x70
[  449.583709]  ? __switch_to_asm+0x40/0x70
[  449.587775]  ? __switch_to_asm+0x34/0x70
[  449.591835]  ? __switch_to_asm+0x40/0x70
[  449.595901]  ? __switch_to_asm+0x34/0x70
[  449.599965]  ? __switch_to_asm+0x40/0x70
[  449.604032]  ? __switch_to_asm+0x34/0x70
[  449.608099]  ? __switch_to_asm+0x34/0x70
[  449.612160]  ? __switch_to_asm+0x40/0x70
[  449.616235]  ? __switch_to_asm+0x34/0x70
[  449.620309]  bpf_clone_redirect+0xb9/0x490
[  449.624551]  ? __schedule+0x8d7/0x21d0
[  449.628449]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  449.633486]  ? __sched_text_start+0x8/0x8
[  449.637651]  ? find_held_lock+0x36/0x1c0
[  449.641729]  ? lock_acquire+0x1ed/0x520
[  449.645714]  ? bpf_test_run+0x3cb/0x780
[  449.649777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.655321]  ? check_preemption_disabled+0x48/0x280
[  449.660350]  ? kasan_check_read+0x11/0x20
[  449.664504]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.669784]  ? rcu_softirq_qs+0x20/0x20
[  449.673765]  ? preempt_schedule+0x4d/0x60
[  449.677916]  ? ___preempt_schedule+0x16/0x18
[  449.682339]  ? bpf_test_run+0x25d/0x780
[  449.686330]  ? netlink_diag_dump+0x2a0/0x2a0
[  449.690744]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.696283]  ? bpf_test_init.isra.10+0x70/0x100
[  449.700963]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  449.705732]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  449.710575]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  449.716290]  ? fput+0x130/0x1a0
[  449.719576]  ? __bpf_prog_get+0x9b/0x290
[  449.723642]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  449.728501]  ? bpf_prog_test_run+0x130/0x1a0
[  449.732921]  ? __x64_sys_bpf+0x3d8/0x520
[  449.736987]  ? bpf_prog_get+0x20/0x20
[  449.740815]  ? do_syscall_64+0x1b9/0x820
[  449.744878]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  449.750246]  ? syscall_return_slowpath+0x5e0/0x5e0
[  449.755190]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.760218]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  449.765240]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  449.771910]  ? __switch_to_asm+0x40/0x70
[  449.775973]  ? __switch_to_asm+0x34/0x70
[  449.780049]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.784907]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  449.790295] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  449.790364] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  449.796882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  449.796888] Call Trace:
[  449.796895]  <IRQ>
[  449.796913]  dump_stack+0x244/0x39d
[  449.796932]  ? dump_stack_print_info.cold.1+0x20/0x20
[  449.803530] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  449.812779]  warn_alloc.cold.117+0xb7/0x1bd
[  449.815338] syz-executor1 cpuset=
[  449.817483]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  449.817501]  ? lock_downgrade+0x900/0x900
[  449.821113] syz1
[  449.826304]  ? trace_hardirqs_off+0xb8/0x310
[  449.836772]  mems_allowed=0
[  449.841097]  ? trace_hardirqs_off+0xb8/0x310
[  449.867188]  __alloc_pages_slowpath+0x2660/0x2d70
[  449.872076]  ? warn_alloc+0x120/0x120
[  449.875885]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  449.880910]  ? warn_alloc+0x120/0x120
[  449.884716]  ? print_usage_bug+0xc0/0xc0
[  449.888778]  ? warn_alloc+0x120/0x120
[  449.892586]  ? print_usage_bug+0xc0/0xc0
[  449.896653]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  449.901857]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.907402]  ? should_fail+0x22d/0xd01
[  449.911300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.916408]  ? __lock_acquire+0x62f/0x4c20
[  449.920650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.925760]  ? should_fail+0x22d/0xd01
[  449.929664]  ? mark_held_locks+0x130/0x130
[  449.933905]  ? mark_held_locks+0x130/0x130
[  449.938142]  ? print_usage_bug+0xc0/0xc0
[  449.942212]  ? find_held_lock+0x36/0x1c0
[  449.946277]  ? zap_class+0x640/0x640
[  449.950007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.955554]  ? check_preemption_disabled+0x48/0x280
[  449.960586]  ? __lock_is_held+0xb5/0x140
[  449.964655]  __alloc_pages_nodemask+0xa80/0xde0
[  449.969326]  ? zap_class+0x640/0x640
[  449.973051]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  449.978086]  ? find_held_lock+0x36/0x1c0
[  449.982159]  ? ____cache_alloc_node+0x1c7/0x1e0
[  449.986836]  ? lock_downgrade+0x900/0x900
[  449.991001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.996548]  cache_grow_begin+0xa5/0x8c0
[  450.000617]  ? do_raw_spin_unlock+0xa7/0x330
[  450.005038]  fallback_alloc+0x204/0x2e0
[  450.009022]  ____cache_alloc_node+0x1c7/0x1e0
[  450.013528]  kmem_cache_alloc_node+0xe3/0x730
[  450.018029]  ? mark_held_locks+0xc7/0x130
[  450.022192]  __alloc_skb+0x119/0x770
[  450.025920]  ? netdev_alloc_frag+0x1f0/0x1f0
[  450.030336]  ? do_raw_spin_trylock+0x270/0x270
[  450.034921]  ? kmem_cache_alloc_trace+0x353/0x750
[  450.039781]  ? queue_work_on+0x12c/0x1e0
[  450.043854]  ? switchdev_port_obj_del+0xdc/0x440
[  450.048618]  ? switchdev_trans_item_enqueue+0x260/0x260
[  450.053997]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  450.059028]  __br_mdb_notify+0x4ff/0x15d0
[  450.063179]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  450.068302]  ? __br_mdb_add+0x7f0/0x7f0
[  450.072289]  ? mark_held_locks+0x130/0x130
[  450.076536]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  450.081650]  ? debug_object_assert_init+0x368/0x4b0
[  450.086673]  ? debug_object_init_on_stack+0x20/0x20
[  450.091690]  ? zap_class+0x640/0x640
[  450.095410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.100962]  br_mdb_notify+0x310/0x410
[  450.104862]  ? br_mdb_dump+0x27b0/0x27b0
[  450.108944]  br_multicast_del_pg+0x3df/0x790
[  450.113368]  ? br_mdb_ip_get+0x940/0x940
[  450.117434]  ? rwlock_bug.part.2+0x90/0x90
[  450.121677]  ? __lock_is_held+0xb5/0x140
[  450.125842]  br_multicast_port_group_expired+0x189/0x1e0
[  450.131307]  call_timer_fn+0x272/0x920
[  450.135203]  ? br_multicast_del_pg+0x790/0x790
[  450.139790]  ? process_timeout+0x40/0x40
[  450.143869]  ? mark_held_locks+0xc7/0x130
[  450.148026]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.152524]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.157020]  ? br_multicast_del_pg+0x790/0x790
[  450.161607]  ? lockdep_hardirqs_on+0x296/0x5b0
[  450.166199]  ? trace_hardirqs_on+0xbd/0x310
[  450.170522]  ? kasan_check_read+0x11/0x20
[  450.174674]  ? __run_timers+0x7da/0xc70
[  450.178651]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.183766]  ? br_multicast_del_pg+0x790/0x790
[  450.188358]  ? br_multicast_del_pg+0x790/0x790
[  450.192946]  __run_timers+0x7e5/0xc70
[  450.196774]  ? timer_fixup_init+0x70/0x70
[  450.200931]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  450.205956]  ? zap_class+0x640/0x640
[  450.209684]  ? print_usage_bug+0xc0/0xc0
[  450.213757]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  450.218959]  ? find_held_lock+0x36/0x1c0
[  450.223034]  ? zap_class+0x640/0x640
[  450.226757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.232302]  ? check_preemption_disabled+0x48/0x280
[  450.237346]  ? __lock_is_held+0xb5/0x140
[  450.241426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.246976]  ? check_preemption_disabled+0x48/0x280
[  450.252013]  run_timer_softirq+0x52/0xb0
[  450.256077]  ? rcu_read_lock_sched_held+0x14f/0x180
[  450.261102]  __do_softirq+0x308/0xb7e
[  450.264908]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  450.269408]  ? lock_downgrade+0x900/0x900
[  450.273569]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  450.278689]  ? pvclock_read_flags+0x160/0x160
[  450.283195]  ? lapic_next_event+0x5a/0x90
[  450.287351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.292906]  ? kvm_clock_read+0x18/0x30
[  450.296884]  ? kvm_sched_clock_read+0x9/0x20
[  450.301295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.306839]  ? check_preemption_disabled+0x48/0x280
[  450.311871]  irq_exit+0x17f/0x1c0
[  450.315337]  smp_apic_timer_interrupt+0x1cb/0x760
[  450.320188]  ? smp_call_function_single_interrupt+0x650/0x650
[  450.326081]  ? interrupt_entry+0xb5/0xc0
[  450.330147]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.335168]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.340193]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.345040]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.350063]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.355085]  ? task_prio+0x50/0x50
[  450.358631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.364174]  ? check_preemption_disabled+0x48/0x280
[  450.369201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.374061]  apic_timer_interrupt+0xf/0x20
[  450.378296]  </IRQ>
[  450.380537] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  450.385648] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  450.404549] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  450.412269] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  450.419538] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  450.426809] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  450.434077] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  450.441346] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  450.448655]  shrink_active_list+0x67b/0x1c20
[  450.453066]  ? free_unref_page_list+0xd1b/0x11e0
[  450.457837]  ? shrink_inactive_list+0xa4a/0x1c60
[  450.462597]  ? zap_class+0x60f/0x640
[  450.466319]  ? shrink_inactive_list+0x1c60/0x1c60
[  450.471177]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.475685]  ? find_held_lock+0x36/0x1c0
[  450.479754]  ? __page_frag_cache_drain+0x200/0x200
[  450.484683]  ? print_usage_bug+0xc0/0xc0
[  450.488760]  ? find_held_lock+0x36/0x1c0
[  450.492831]  ? zap_class+0x640/0x640
[  450.496551]  ? mark_held_locks+0xc7/0x130
[  450.500704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.506246]  ? check_preemption_disabled+0x48/0x280
[  450.511273]  ? zap_class+0x640/0x640
[  450.514998]  ? __lock_is_held+0xb5/0x140
[  450.519069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.524608]  ? check_preemption_disabled+0x48/0x280
[  450.529639]  ? __lock_is_held+0xb5/0x140
[  450.533718]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  450.538739]  ? inactive_list_is_low+0x305/0x880
[  450.543424]  ? lruvec_lru_size+0x450/0x450
[  450.547662]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.552603]  ? rcu_softirq_qs+0x20/0x20
[  450.556592]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  450.561537]  shrink_node_memcg+0x803/0x18f0
[  450.565879]  ? shrink_active_list+0x1c20/0x1c20
[  450.570564]  ? lock_downgrade+0x900/0x900
[  450.574725]  ? check_flush_dependency+0x410/0x410
[  450.579579]  ? kasan_check_read+0x11/0x20
[  450.583742]  ? ___preempt_schedule+0x16/0x18
[  450.588663]  ? _raw_spin_unlock+0x3f/0x50
[  450.592821]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  450.598023]  shrink_node+0x3bc/0x16b0
[  450.601834]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  450.607142]  ? shrink_node_memcg+0x18f0/0x18f0
[  450.611731]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  450.616320]  ? trace_hardirqs_on+0xbd/0x310
[  450.620643]  ? vmpressure+0x271/0x340
[  450.624453]  ? do_raw_spin_trylock+0x270/0x270
[  450.629047]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  450.634597]  ? __cpuset_node_allowed+0x19b/0x660
[  450.639360]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  450.645078]  ? vmpressure+0x1a2/0x340
[  450.648892]  do_try_to_free_pages+0x3e7/0x1290
[  450.653478]  ? zap_class+0x640/0x640
[  450.657226]  ? shrink_node+0x16b0/0x16b0
[  450.661293]  ? __lock_is_held+0xb5/0x140
[  450.665377]  try_to_free_pages+0x4d0/0xb90
[  450.669623]  ? do_try_to_free_pages+0x1290/0x1290
[  450.674471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.680030]  ? lock_acquire+0x1ed/0x520
[  450.684008]  ? set_page_refcounted+0x280/0x280
[  450.688604]  ? lock_release+0xa00/0xa00
[  450.692593]  ? perf_trace_sched_process_exec+0x860/0x860
[  450.698063]  __alloc_pages_slowpath+0x9c4/0x2d70
[  450.702860]  ? warn_alloc+0x120/0x120
[  450.706663]  ? rcu_softirq_qs+0x20/0x20
[  450.710681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.716227]  ? should_fail+0x22d/0xd01
[  450.720126]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.725237]  ? zap_class+0x640/0x640
[  450.728987]  ? __lock_is_held+0xb5/0x140
[  450.733065]  ? mark_held_locks+0x130/0x130
[  450.737309]  ? lock_release+0xa00/0xa00
[  450.741297]  ? perf_trace_sched_process_exec+0x860/0x860
[  450.746783]  ? __might_sleep+0x95/0x190
[  450.750769]  __alloc_pages_nodemask+0xa80/0xde0
[  450.755452]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  450.760474]  ? __page_cache_alloc+0x191/0x5c0
[  450.764986]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.769921]  ? kasan_check_read+0x11/0x20
[  450.774078]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.779358]  ? zap_class+0x640/0x640
[  450.783087]  ? zap_class+0x640/0x640
[  450.786802]  ? zap_class+0x640/0x640
[  450.790518]  ? __do_page_cache_readahead+0x7ce/0x980
[  450.795628]  ? find_held_lock+0x36/0x1c0
[  450.799703]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  450.805256]  alloc_pages_current+0x173/0x350
[  450.809679]  __page_cache_alloc+0x38c/0x5c0
[  450.814006]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.818940]  ? kasan_check_read+0x11/0x20
[  450.823100]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.828384]  ? generic_perform_write+0x6a0/0x6a0
[  450.833142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.838690]  ? check_preemption_disabled+0x48/0x280
[  450.843719]  filemap_fault+0x1594/0x25f0
[  450.847796]  ? __lock_page_or_retry+0xa00/0xa00
[  450.852471]  ? mark_held_locks+0x130/0x130
[  450.856714]  ? rcu_softirq_qs+0x20/0x20
[  450.860710]  ? filemap_map_pages+0xe04/0x1990
[  450.865225]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  450.869817]  ? __free_object+0x173/0x340
[  450.873877]  ? debug_object_free+0x36f/0x690
[  450.878296]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  450.883230]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.888357]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  450.893041]  ? queue_work_on+0x12c/0x1e0
[  450.897113]  ? debug_object_free+0x36f/0x690
[  450.901522]  ? kasan_check_read+0x11/0x20
[  450.905679]  ? debug_object_destroy+0x2b0/0x2b0
[  450.910353]  ? lock_pi_update_atomic+0x150/0x150
[  450.915112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.920656]  ? __hrtimer_init+0xdb/0x240
[  450.924738]  ? lock_acquire+0x1ed/0x520
[  450.928718]  ? ext4_filemap_fault+0x7a/0xad
[  450.933054]  ? lock_release+0xa00/0xa00
[  450.937033]  ? perf_trace_sched_process_exec+0x860/0x860
[  450.942488]  ? print_usage_bug+0xc0/0xc0
[  450.946557]  ? print_usage_bug+0xc0/0xc0
[  450.950637]  ? down_read+0x8d/0x120
[  450.954272]  ? ext4_filemap_fault+0x7a/0xad
[  450.958601]  ? __down_interruptible+0x700/0x700
[  450.963285]  ext4_filemap_fault+0x82/0xad
[  450.967437]  __do_fault+0x100/0x6b0
[  450.971071]  ? pmd_devmap_trans_unstable+0x220/0x220
[  450.976191]  ? mark_held_locks+0x130/0x130
[  450.980429]  ? mark_held_locks+0x130/0x130
[  450.984682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.990228]  __handle_mm_fault+0x307c/0x5920
[  450.994638]  ? perf_trace_lock+0x7a0/0x7a0
[  450.998884]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  451.003736]  ? __switch_to_asm+0x34/0x70
[  451.007804]  ? __switch_to_asm+0x34/0x70
[  451.011885]  ? zap_class+0x640/0x640
[  451.015599]  ? zap_class+0x640/0x640
[  451.019319]  ? __x64_sys_futex+0x53e/0x6a0
[  451.023562]  ? find_held_lock+0x36/0x1c0
[  451.027638]  ? handle_mm_fault+0x42a/0xc70
[  451.031881]  ? lock_downgrade+0x900/0x900
[  451.036034]  ? check_preemption_disabled+0x48/0x280
[  451.041060]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  451.045995]  ? kasan_check_read+0x11/0x20
[  451.050153]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.055444]  ? rcu_softirq_qs+0x20/0x20
[  451.059424]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.064532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.070071]  ? check_preemption_disabled+0x48/0x280
[  451.075102]  handle_mm_fault+0x54f/0xc70
[  451.079170]  ? __handle_mm_fault+0x5920/0x5920
[  451.083772]  ? find_vma+0x34/0x190
[  451.087324]  __do_page_fault+0x5e8/0xe60
[  451.091386]  ? trace_hardirqs_off+0xb8/0x310
[  451.095809]  do_page_fault+0xf2/0x7e0
[  451.099620]  ? vmalloc_sync_all+0x30/0x30
[  451.103773]  ? error_entry+0x70/0xd0
[  451.107492]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.112510]  ? trace_hardirqs_on_caller+0xc0/0x310
[  451.117442]  ? syscall_return_slowpath+0x5e0/0x5e0
[  451.122375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.127222]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.132241]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  451.137701]  ? prepare_exit_to_usermode+0x291/0x3b0
[  451.142723]  ? page_fault+0x8/0x30
[  451.146277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.151129]  ? page_fault+0x8/0x30
[  451.154674]  page_fault+0x1e/0x30
[  451.158129] RIP: 0033:0x45ddf3
[  451.161336] Code: Bad RIP value.
[  451.164702] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  451.170069] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  451.177340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  451.184610] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  451.191879] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  451.199150] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  451.206451] warn_alloc_show_mem: 1 callbacks suppressed
[  451.206464] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  451.206466] Mem-Info:
[  451.206502] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  451.206502]  active_file:15 inactive_file:12 isolated_file:0
[  451.206502]  unevictable:0 dirty:0 writeback:0 unstable:0
[  451.206502]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  451.206502]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  451.206502]  free:13694 free_pcp:0 free_cma:0
[  451.206531] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  451.211874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  451.211884] Call Trace:
[  451.218805] Node 0 
[  451.221236]  <IRQ>
[  451.254185] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  451.281837]  dump_stack+0x244/0x39d
[  451.291173] lowmem_reserve[]:
[  451.293759]  ? dump_stack_print_info.cold.1+0x20/0x20
[  451.295975]  0
[  451.298134]  warn_alloc.cold.117+0xb7/0x1bd
[  451.323604]  2819 6323
[  451.327242]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  451.330318]  6323
[  451.335520]  ? lock_downgrade+0x900/0x900
[  451.337309] Node 0 
[  451.341633]  ? trace_hardirqs_off+0xb8/0x310
[  451.344135] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  451.348950]  ? trace_hardirqs_off+0xb8/0x310
[  451.350992] lowmem_reserve[]:
[  451.355149]  __alloc_pages_slowpath+0x2660/0x2d70
[  451.357362]  0
[  451.361794]  ? warn_alloc+0x120/0x120
[  451.388496]  0
[  451.392922]  ? warn_alloc+0x120/0x120
[  451.396000]  3503
[  451.400843]  ? print_usage_bug+0xc0/0xc0
[  451.402628]  3503
[  451.406426]  ? warn_alloc+0x120/0x120
[  451.412015]  ? print_usage_bug+0xc0/0xc0
[  451.414059] Node 0 
[  451.418120]  ? __lock_acquire+0x62f/0x4c20
[  451.420200] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  451.423967]  ? __lock_acquire+0x62f/0x4c20
[  451.428012] lowmem_reserve[]:
[  451.430250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.434467]  0
[  451.462591]  ? should_fail+0x22d/0xd01
[  451.466806]  0
[  451.469913]  ? __lock_acquire+0x62f/0x4c20
[  451.475426]  0
[  451.477234]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.481231]  0
[  451.483047]  ? __lock_acquire+0x62f/0x4c20
[  451.487261] Node 0 
[  451.489064]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.494144] DMA: 
[  451.495944]  ? __lock_acquire+0x62f/0x4c20
[  451.500160] 1*4kB 
[  451.502403]  ? should_fail+0x22d/0xd01
[  451.507485] (U) 
[  451.509558]  ? mark_held_locks+0x130/0x130
[  451.513768] 0*8kB 
[  451.515920]  ? mark_held_locks+0x130/0x130
[  451.519789] 0*16kB 
[  451.521770]  ? zap_class+0x640/0x640
[  451.525987] 1*32kB 
[  451.528134]  ? print_usage_bug+0xc0/0xc0
[  451.532341] (U) 2*64kB 
[  451.534587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.538279] (U) 
[  451.540514]  ? check_preemption_disabled+0x48/0x280
[  451.544553] 1*128kB 
[  451.547139]  ? __lock_is_held+0xb5/0x140
[  451.552652] (U) 
[  451.554634]  __alloc_pages_nodemask+0xa80/0xde0
[  451.559627] 1*256kB 
[  451.561949]  ? zap_class+0x640/0x640
[  451.565998] (U) 
[  451.567977]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  451.572629] 0*512kB 1*1024kB 
[  451.574966]  ? find_held_lock+0x36/0x1c0
[  451.578670] (U) 
[  451.580654]  ? ____cache_alloc_node+0x1c7/0x1e0
[  451.585646] 1*2048kB 
[  451.588753]  ? lock_downgrade+0x900/0x900
[  451.592788] (M) 3*4096kB 
[  451.594778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.599428] (M) 
[  451.601843]  cache_grow_begin+0xa5/0x8c0
[  451.605976] = 15908kB
[  451.608730]  ? do_raw_spin_unlock+0xa7/0x330
[  451.614245] Node 0 
[  451.616223]  fallback_alloc+0x204/0x2e0
[  451.620262] DMA32: 
[  451.622680]  ____cache_alloc_node+0x1c7/0x1e0
[  451.627068] 2*4kB 
[  451.629306]  kmem_cache_alloc_node+0xe3/0x730
[  451.633264] (M) 
[  451.635505]  ? ipv6_get_ifaddr+0x42e/0x620
[  451.639980] 3*8kB (UM) 
[  451.642147]  __alloc_skb+0x119/0x770
[  451.646615] 3*16kB (UM) 
[  451.648604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.652809] 4*32kB (UM) 
[  451.655401]  ? netdev_alloc_frag+0x1f0/0x1f0
[  451.659097] 5*64kB 
[  451.661768]  ? lock_downgrade+0x900/0x900
[  451.667023] (UM) 
[  451.669697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.674082] 4*128kB 
[  451.676321]  ? refcount_sub_and_test_checked+0x203/0x310
[  451.680441] (M) 5*256kB 
[  451.682520]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  451.688035] (UM) 
[  451.690361]  ? addrconf_rs_timer+0x690/0x690
[  451.695797] 5*512kB 
[  451.698492]  ndisc_alloc_skb+0x144/0x340
[  451.703909] (UM) 
[  451.705973]  ndisc_send_rs+0x331/0x6e0
[  451.710365] 4*1024kB 
[  451.712691]  addrconf_rs_timer+0x314/0x690
[  451.716730] (UM) 
[  451.718795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.722683] 2*2048kB (M) 
[  451.725118]  call_timer_fn+0x272/0x920
[  451.729324] 3*4096kB (M) 
[  451.731397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.735617] = 25360kB
[  451.738375]  ? process_timeout+0x40/0x40
[  451.742243] Node 0 
[  451.745010]  ? __run_timers+0x7da/0xc70
[  451.749219] Normal: 
[  451.751631]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.755675] 783*4kB 
[  451.757912]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.761867] (UMEH) 
[  451.764197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.768667] 379*8kB 
[  451.770986]  ? lockdep_hardirqs_on+0x296/0x5b0
[  451.771004]  ? trace_hardirqs_on+0xbd/0x310
[  451.775474] (MEH) 205*16kB 
[  451.777721]  ? kasan_check_read+0x11/0x20
[  451.781932] (UMEH) 
[  451.784258]  ? __run_timers+0x7da/0xc70
[  451.788814] 93*32kB (UMEH) 
[  451.793149]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.796066] 24*64kB 
[  451.800320]  ? prandom_seed_full_state+0x3b0/0x3b0
[  451.802445] (UMH) 1*128kB 
[  451.806441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.809356] (H) 
[  451.814457]  __run_timers+0x7e5/0xc70
[  451.816765] 0*256kB 
[  451.821706]  ? timer_fixup_init+0x70/0x70
[  451.824528] 0*512kB 
[  451.828766]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  451.830725] 0*1024kB 
[  451.834525]  ? zap_class+0x640/0x640
[  451.836832] 0*2048kB 
[  451.840978]  ? enqueue_hrtimer+0x1a5/0x560
[  451.843286] 0*4096kB 
[  451.848306]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  451.850689] = 14084kB
[  451.850705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  451.854415]  ? find_held_lock+0x36/0x1c0
[  451.856813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  451.861040]  ? zap_class+0x640/0x640
[  451.863433] 1070 total pagecache pages
[  451.868622]  ? pvclock_read_flags+0x160/0x160
[  451.871017] 0 pages in swap cache
[  451.879841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.883889] Swap cache stats: add 0, delete 0, find 0/0
[  451.892457]  ? check_preemption_disabled+0x48/0x280
[  451.896152] Free swap  = 0kB
[  451.900047]  ? __lock_is_held+0xb5/0x140
[  451.904519] Total swap = 0kB
[  451.907971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.913499] 1965979 pages RAM
[  451.918864]  ? check_preemption_disabled+0x48/0x280
[  451.923860] 0 pages HighMem/MovableOnly
[  451.926880]  run_timer_softirq+0x52/0xb0
[  451.930920] 342293 pages reserved
[  451.933941]  ? rcu_read_lock_sched_held+0x14f/0x180
[  451.939460] 0 pages cma reserved
[  451.942572]  __do_softirq+0x308/0xb7e
[  451.947720] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  451.951543]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  451.955585] syz-fuzzer cpuset=
[  451.959037]  ? lock_downgrade+0x900/0x900
[  451.964035] /
[  451.967409]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  451.971183]  mems_allowed=0
[  452.002945]  ? pvclock_read_flags+0x160/0x160
[  452.007452]  ? lapic_next_event+0x5a/0x90
[  452.011613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.017161]  ? kvm_clock_read+0x18/0x30
[  452.021146]  ? kvm_sched_clock_read+0x9/0x20
[  452.025570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.031110]  ? check_preemption_disabled+0x48/0x280
[  452.036144]  irq_exit+0x17f/0x1c0
[  452.039619]  smp_apic_timer_interrupt+0x1cb/0x760
[  452.044464]  ? smp_reschedule_interrupt+0x109/0x650
[  452.049495]  ? smp_call_function_single_interrupt+0x650/0x650
[  452.055385]  ? interrupt_entry+0xb5/0xc0
[  452.059450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.064477]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.069501]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.074350]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.079368]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.084404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.089258]  apic_timer_interrupt+0xf/0x20
[  452.093492]  </IRQ>
[  452.095734] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  452.100669] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  452.119574] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  452.127292] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  452.134560] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  452.141848] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  452.149115] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  452.156383] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  452.163702]  skb_clone+0x1bb/0x500
[  452.167247]  ? finish_task_switch+0x1b4/0x910
[  452.171750]  ? skb_split+0x11e0/0x11e0
[  452.175641]  ? preempt_notifier_register+0x200/0x200
[  452.180747]  ? __switch_to_asm+0x34/0x70
[  452.184810]  ? __switch_to_asm+0x34/0x70
[  452.188871]  ? __switch_to_asm+0x40/0x70
[  452.192934]  ? __switch_to_asm+0x34/0x70
[  452.196995]  ? __switch_to_asm+0x40/0x70
[  452.201057]  ? __switch_to_asm+0x34/0x70
[  452.205123]  ? __switch_to_asm+0x40/0x70
[  452.209191]  ? __switch_to_asm+0x34/0x70
[  452.213255]  ? __switch_to_asm+0x34/0x70
[  452.217317]  ? __switch_to_asm+0x40/0x70
[  452.221408]  ? __switch_to_asm+0x34/0x70
[  452.225487]  bpf_clone_redirect+0xb9/0x490
[  452.229732]  ? __schedule+0x8d7/0x21d0
[  452.233628]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  452.238653]  ? __sched_text_start+0x8/0x8
[  452.242818]  ? find_held_lock+0x36/0x1c0
[  452.246893]  ? lock_acquire+0x1ed/0x520
[  452.250872]  ? bpf_test_run+0x3cb/0x780
[  452.254854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.260396]  ? check_preemption_disabled+0x48/0x280
[  452.265425]  ? kasan_check_read+0x11/0x20
[  452.269578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.274858]  ? rcu_softirq_qs+0x20/0x20
[  452.278845]  ? preempt_schedule+0x4d/0x60
[  452.283003]  ? ___preempt_schedule+0x16/0x18
[  452.287428]  ? bpf_test_run+0x25d/0x780
[  452.291420]  ? netlink_diag_dump+0x2a0/0x2a0
[  452.295839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.301380]  ? bpf_test_init.isra.10+0x70/0x100
[  452.306062]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  452.310836]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  452.315680]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  452.321220]  ? fput+0x130/0x1a0
[  452.324512]  ? __bpf_prog_get+0x9b/0x290
[  452.328581]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  452.333426]  ? bpf_prog_test_run+0x130/0x1a0
[  452.337865]  ? __x64_sys_bpf+0x3d8/0x520
[  452.341935]  ? bpf_prog_get+0x20/0x20
[  452.345766]  ? do_syscall_64+0x1b9/0x820
[  452.349834]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  452.355213]  ? syscall_return_slowpath+0x5e0/0x5e0
[  452.360149]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.365189]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  452.370223]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  452.376896]  ? __switch_to_asm+0x40/0x70
[  452.380961]  ? __switch_to_asm+0x34/0x70
[  452.385036]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.389893]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  452.395281] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  452.395350] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  452.401871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  452.401880] Call Trace:
[  452.408454] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  452.417717]  <IRQ>
[  452.420294] syz-executor1 cpuset=
[  452.430782]  dump_stack+0x244/0x39d
[  452.432909] syz1
[  452.436363]  ? dump_stack_print_info.cold.1+0x20/0x20
[  452.439980]  mems_allowed=0
[  452.441964]  warn_alloc.cold.117+0xb7/0x1bd
[  452.454372]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  452.459226]  ? lock_downgrade+0x900/0x900
[  452.463386]  ? trace_hardirqs_off+0xb8/0x310
[  452.467803]  ? trace_hardirqs_off+0xb8/0x310
[  452.472228]  __alloc_pages_slowpath+0x2660/0x2d70
[  452.477113]  ? warn_alloc+0x120/0x120
[  452.480926]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  452.485950]  ? warn_alloc+0x120/0x120
[  452.489767]  ? print_usage_bug+0xc0/0xc0
[  452.493836]  ? warn_alloc+0x120/0x120
[  452.497641]  ? print_usage_bug+0xc0/0xc0
[  452.501710]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  452.506911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.512457]  ? should_fail+0x22d/0xd01
[  452.518103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.523217]  ? __lock_acquire+0x62f/0x4c20
[  452.527466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.532575]  ? should_fail+0x22d/0xd01
[  452.536479]  ? mark_held_locks+0x130/0x130
[  452.540721]  ? mark_held_locks+0x130/0x130
[  452.544957]  ? print_usage_bug+0xc0/0xc0
[  452.549034]  ? find_held_lock+0x36/0x1c0
[  452.553104]  ? zap_class+0x640/0x640
[  452.556829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.562368]  ? check_preemption_disabled+0x48/0x280
[  452.567398]  ? __lock_is_held+0xb5/0x140
[  452.571473]  __alloc_pages_nodemask+0xa80/0xde0
[  452.576150]  ? zap_class+0x640/0x640
[  452.579872]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  452.584902]  ? find_held_lock+0x36/0x1c0
[  452.589446]  ? ____cache_alloc_node+0x1c7/0x1e0
[  452.594127]  ? lock_downgrade+0x900/0x900
[  452.598289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.603841]  cache_grow_begin+0xa5/0x8c0
[  452.607908]  ? do_raw_spin_unlock+0xa7/0x330
[  452.612865]  fallback_alloc+0x204/0x2e0
[  452.616853]  ____cache_alloc_node+0x1c7/0x1e0
[  452.621361]  kmem_cache_alloc_node+0xe3/0x730
[  452.625862]  ? mark_held_locks+0xc7/0x130
[  452.630026]  __alloc_skb+0x119/0x770
[  452.633747]  ? netdev_alloc_frag+0x1f0/0x1f0
[  452.638163]  ? do_raw_spin_trylock+0x270/0x270
[  452.642758]  ? kmem_cache_alloc_trace+0x353/0x750
[  452.647615]  ? queue_work_on+0x12c/0x1e0
[  452.651691]  ? switchdev_port_obj_del+0xdc/0x440
[  452.656450]  ? switchdev_trans_item_enqueue+0x260/0x260
[  452.661822]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  452.666850]  __br_mdb_notify+0x4ff/0x15d0
[  452.671009]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  452.676129]  ? __br_mdb_add+0x7f0/0x7f0
[  452.680116]  ? mark_held_locks+0x130/0x130
[  452.684367]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  452.689478]  ? debug_object_assert_init+0x368/0x4b0
[  452.694502]  ? debug_object_init_on_stack+0x20/0x20
[  452.699520]  ? zap_class+0x640/0x640
[  452.703243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.708823]  br_mdb_notify+0x310/0x410
[  452.712717]  ? br_mdb_dump+0x27b0/0x27b0
[  452.716799]  br_multicast_del_pg+0x3df/0x790
[  452.721226]  ? br_mdb_ip_get+0x940/0x940
[  452.725296]  ? rwlock_bug.part.2+0x90/0x90
[  452.729543]  ? __lock_is_held+0xb5/0x140
[  452.733620]  br_multicast_port_group_expired+0x189/0x1e0
[  452.739082]  call_timer_fn+0x272/0x920
[  452.742981]  ? br_multicast_del_pg+0x790/0x790
[  452.747576]  ? process_timeout+0x40/0x40
[  452.751651]  ? mark_held_locks+0xc7/0x130
[  452.755812]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.760315]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.764835]  ? br_multicast_del_pg+0x790/0x790
[  452.769426]  ? lockdep_hardirqs_on+0x296/0x5b0
[  452.774015]  ? trace_hardirqs_on+0xbd/0x310
[  452.778343]  ? kasan_check_read+0x11/0x20
[  452.782500]  ? __run_timers+0x7da/0xc70
[  452.786484]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.791601]  ? br_multicast_del_pg+0x790/0x790
[  452.796202]  ? br_multicast_del_pg+0x790/0x790
[  452.800798]  __run_timers+0x7e5/0xc70
[  452.804624]  ? timer_fixup_init+0x70/0x70
[  452.808780]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  452.813812]  ? zap_class+0x640/0x640
[  452.817539]  ? print_usage_bug+0xc0/0xc0
[  452.821610]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  452.826814]  ? find_held_lock+0x36/0x1c0
[  452.830890]  ? zap_class+0x640/0x640
[  452.834614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.840163]  ? check_preemption_disabled+0x48/0x280
[  452.845213]  ? __lock_is_held+0xb5/0x140
[  452.849286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.854833]  ? check_preemption_disabled+0x48/0x280
[  452.859867]  run_timer_softirq+0x52/0xb0
[  452.863933]  ? rcu_read_lock_sched_held+0x14f/0x180
[  452.868963]  __do_softirq+0x308/0xb7e
[  452.872806]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  452.877319]  ? lock_downgrade+0x900/0x900
[  452.881488]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  452.886614]  ? pvclock_read_flags+0x160/0x160
[  452.891124]  ? lapic_next_event+0x5a/0x90
[  452.895282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.900834]  ? kvm_clock_read+0x18/0x30
[  452.904820]  ? kvm_sched_clock_read+0x9/0x20
[  452.909240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.914786]  ? check_preemption_disabled+0x48/0x280
[  452.919826]  irq_exit+0x17f/0x1c0
[  452.923300]  smp_apic_timer_interrupt+0x1cb/0x760
[  452.928169]  ? smp_call_function_single_interrupt+0x650/0x650
[  452.934072]  ? interrupt_entry+0xb5/0xc0
[  452.938142]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.943166]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.948205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.953056]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.958075]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.963094]  ? task_prio+0x50/0x50
[  452.966645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.972193]  ? check_preemption_disabled+0x48/0x280
[  452.977224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.982086]  apic_timer_interrupt+0xf/0x20
[  452.986318]  </IRQ>
[  452.988560] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  452.993671] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  453.012582] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  453.020297] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  453.027566] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  453.034836] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  453.042108] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  453.049379] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  453.056685]  shrink_active_list+0x67b/0x1c20
[  453.061097]  ? free_unref_page_list+0xd1b/0x11e0
[  453.065871]  ? shrink_inactive_list+0xa4a/0x1c60
[  453.070635]  ? zap_class+0x60f/0x640
[  453.074358]  ? shrink_inactive_list+0x1c60/0x1c60
[  453.079219]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.083728]  ? find_held_lock+0x36/0x1c0
[  453.087792]  ? __page_frag_cache_drain+0x200/0x200
[  453.092721]  ? print_usage_bug+0xc0/0xc0
[  453.096803]  ? find_held_lock+0x36/0x1c0
[  453.100878]  ? zap_class+0x640/0x640
[  453.104594]  ? mark_held_locks+0xc7/0x130
[  453.108751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.114296]  ? check_preemption_disabled+0x48/0x280
[  453.119329]  ? zap_class+0x640/0x640
[  453.123047]  ? __lock_is_held+0xb5/0x140
[  453.127118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.132664]  ? check_preemption_disabled+0x48/0x280
[  453.137697]  ? __lock_is_held+0xb5/0x140
[  453.141777]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  453.146805]  ? inactive_list_is_low+0x305/0x880
[  453.151491]  ? lruvec_lru_size+0x450/0x450
[  453.155744]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  453.160681]  ? rcu_softirq_qs+0x20/0x20
[  453.164667]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  453.169615]  shrink_node_memcg+0x803/0x18f0
[  453.173958]  ? shrink_active_list+0x1c20/0x1c20
[  453.178641]  ? lock_downgrade+0x900/0x900
[  453.182801]  ? check_flush_dependency+0x410/0x410
[  453.187657]  ? kasan_check_read+0x11/0x20
[  453.191821]  ? ___preempt_schedule+0x16/0x18
[  453.196242]  ? _raw_spin_unlock+0x3f/0x50
[  453.200398]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  453.205600]  shrink_node+0x3bc/0x16b0
[  453.209414]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  453.214721]  ? shrink_node_memcg+0x18f0/0x18f0
[  453.219307]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  453.223897]  ? trace_hardirqs_on+0xbd/0x310
[  453.228222]  ? vmpressure+0x271/0x340
[  453.232037]  ? do_raw_spin_trylock+0x270/0x270
[  453.236632]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  453.242175]  ? __cpuset_node_allowed+0x19b/0x660
[  453.246949]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  453.252667]  ? vmpressure+0x1a2/0x340
[  453.256480]  do_try_to_free_pages+0x3e7/0x1290
[  453.261066]  ? zap_class+0x640/0x640
[  453.264806]  ? shrink_node+0x16b0/0x16b0
[  453.268873]  ? __lock_is_held+0xb5/0x140
[  453.272955]  try_to_free_pages+0x4d0/0xb90
[  453.277209]  ? do_try_to_free_pages+0x1290/0x1290
[  453.282055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.287611]  ? lock_acquire+0x1ed/0x520
[  453.291588]  ? set_page_refcounted+0x280/0x280
[  453.296193]  ? lock_release+0xa00/0xa00
[  453.300189]  ? perf_trace_sched_process_exec+0x860/0x860
[  453.305666]  __alloc_pages_slowpath+0x9c4/0x2d70
[  453.310461]  ? warn_alloc+0x120/0x120
[  453.314266]  ? rcu_softirq_qs+0x20/0x20
[  453.318277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.323825]  ? should_fail+0x22d/0xd01
[  453.327728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.332841]  ? zap_class+0x640/0x640
[  453.336593]  ? __lock_is_held+0xb5/0x140
[  453.340669]  ? mark_held_locks+0x130/0x130
[  453.344919]  ? lock_release+0xa00/0xa00
[  453.348904]  ? perf_trace_sched_process_exec+0x860/0x860
[  453.354378]  ? __might_sleep+0x95/0x190
[  453.358367]  __alloc_pages_nodemask+0xa80/0xde0
[  453.363052]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  453.368076]  ? __page_cache_alloc+0x191/0x5c0
[  453.372669]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  453.377603]  ? kasan_check_read+0x11/0x20
[  453.381758]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.387049]  ? zap_class+0x640/0x640
[  453.390775]  ? zap_class+0x640/0x640
[  453.394493]  ? zap_class+0x640/0x640
[  453.398219]  ? __do_page_cache_readahead+0x7ce/0x980
[  453.403330]  ? find_held_lock+0x36/0x1c0
[  453.407405]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  453.412952]  alloc_pages_current+0x173/0x350
[  453.417381]  __page_cache_alloc+0x38c/0x5c0
[  453.421708]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  453.426640]  ? kasan_check_read+0x11/0x20
[  453.430792]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.436074]  ? generic_perform_write+0x6a0/0x6a0
[  453.440835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.446378]  ? check_preemption_disabled+0x48/0x280
[  453.451406]  filemap_fault+0x1594/0x25f0
[  453.455503]  ? __lock_page_or_retry+0xa00/0xa00
[  453.460191]  ? mark_held_locks+0x130/0x130
[  453.464432]  ? rcu_softirq_qs+0x20/0x20
[  453.468423]  ? filemap_map_pages+0xe04/0x1990
[  453.472933]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  453.477529]  ? __free_object+0x173/0x340
[  453.481800]  ? debug_object_free+0x36f/0x690
[  453.486221]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  453.491157]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.496269]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  453.500954]  ? queue_work_on+0x12c/0x1e0
[  453.505033]  ? debug_object_free+0x36f/0x690
[  453.509445]  ? kasan_check_read+0x11/0x20
[  453.513601]  ? debug_object_destroy+0x2b0/0x2b0
[  453.518275]  ? lock_pi_update_atomic+0x150/0x150
[  453.523032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.528573]  ? __hrtimer_init+0xdb/0x240
[  453.532648]  ? lock_acquire+0x1ed/0x520
[  453.536633]  ? ext4_filemap_fault+0x7a/0xad
[  453.540980]  ? lock_release+0xa00/0xa00
[  453.544961]  ? perf_trace_sched_process_exec+0x860/0x860
[  453.550427]  ? print_usage_bug+0xc0/0xc0
[  453.554495]  ? print_usage_bug+0xc0/0xc0
[  453.558572]  ? down_read+0x8d/0x120
[  453.562201]  ? ext4_filemap_fault+0x7a/0xad
[  453.566531]  ? __down_interruptible+0x700/0x700
[  453.571219]  ext4_filemap_fault+0x82/0xad
[  453.575374]  __do_fault+0x100/0x6b0
[  453.579015]  ? pmd_devmap_trans_unstable+0x220/0x220
[  453.584129]  ? mark_held_locks+0x130/0x130
[  453.588370]  ? mark_held_locks+0x130/0x130
[  453.592622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.598167]  __handle_mm_fault+0x307c/0x5920
[  453.602589]  ? perf_trace_lock+0x7a0/0x7a0
[  453.606833]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  453.611692]  ? __switch_to_asm+0x34/0x70
[  453.615756]  ? __switch_to_asm+0x34/0x70
[  453.619838]  ? zap_class+0x640/0x640
[  453.623557]  ? zap_class+0x640/0x640
[  453.627276]  ? __x64_sys_futex+0x53e/0x6a0
[  453.631521]  ? find_held_lock+0x36/0x1c0
[  453.635594]  ? handle_mm_fault+0x42a/0xc70
[  453.639832]  ? lock_downgrade+0x900/0x900
[  453.643992]  ? check_preemption_disabled+0x48/0x280
[  453.649023]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  453.653955]  ? kasan_check_read+0x11/0x20
[  453.658115]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.663404]  ? rcu_softirq_qs+0x20/0x20
[  453.667386]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.672496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.678044]  ? check_preemption_disabled+0x48/0x280
[  453.683075]  handle_mm_fault+0x54f/0xc70
[  453.687145]  ? __handle_mm_fault+0x5920/0x5920
[  453.691750]  ? find_vma+0x34/0x190
[  453.695301]  __do_page_fault+0x5e8/0xe60
[  453.699365]  ? trace_hardirqs_off+0xb8/0x310
[  453.703791]  do_page_fault+0xf2/0x7e0
[  453.707601]  ? vmalloc_sync_all+0x30/0x30
[  453.711757]  ? error_entry+0x70/0xd0
[  453.715480]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.720502]  ? trace_hardirqs_on_caller+0xc0/0x310
[  453.725441]  ? syscall_return_slowpath+0x5e0/0x5e0
[  453.730378]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.735234]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.740256]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  453.745714]  ? prepare_exit_to_usermode+0x291/0x3b0
[  453.750735]  ? page_fault+0x8/0x30
[  453.754333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.759193]  ? page_fault+0x8/0x30
[  453.762747]  page_fault+0x1e/0x30
[  453.766213] RIP: 0033:0x45ddf3
[  453.769421] Code: Bad RIP value.
[  453.772789] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  453.778159] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  453.785437] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  453.794975] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  453.802261] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  453.809946] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  453.817267] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  453.817273] warn_alloc_show_mem: 1 callbacks suppressed
[  453.817281] Mem-Info:
[  453.824218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  453.829602] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  453.829602]  active_file:15 inactive_file:12 isolated_file:0
[  453.829602]  unevictable:0 dirty:0 writeback:0 unstable:0
[  453.829602]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  453.829602]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  453.829602]  free:13694 free_pcp:0 free_cma:0
[  453.831977] Call Trace:
[  453.831986]  <IRQ>
[  453.841388] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  453.874262]  dump_stack+0x244/0x39d
[  453.876831] Node 0 
[  453.878986]  ? dump_stack_print_info.cold.1+0x20/0x20
[  453.906692] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  453.910320]  warn_alloc.cold.117+0xb7/0x1bd
[  453.912516] lowmem_reserve[]: 0
[  453.917717]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  453.943225]  2819
[  453.947560]  ? lock_downgrade+0x900/0x900
[  453.950819]  6323
[  453.955670]  ? trace_hardirqs_off+0xb8/0x310
[  453.957702]  6323
[  453.961860]  ? trace_hardirqs_off+0xb8/0x310
[  453.968323]  __alloc_pages_slowpath+0x2660/0x2d70
[  453.970360] Node 0 
[  453.974812]  ? warn_alloc+0x120/0x120
[  453.979633] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  453.981855]  ? warn_alloc+0x120/0x120
[  453.985632] lowmem_reserve[]:
[  454.012358]  ? print_usage_bug+0xc0/0xc0
[  454.016141]  0
[  454.019251]  ? warn_alloc+0x120/0x120
[  454.023297]  0
[  454.025107]  ? print_usage_bug+0xc0/0xc0
[  454.028885]  3503
[  454.030688]  ? __lock_acquire+0x62f/0x4c20
[  454.034730]  3503
[  454.036792]  ? __lock_acquire+0x62f/0x4c20
[  454.043074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.047295] Node 0 
[  454.052829]  ? should_fail+0x22d/0xd01
[  454.052866] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  454.055075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  454.058938] lowmem_reserve[]:
[  454.087061]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.092320]  0
[  454.095433]  ? __lock_acquire+0x62f/0x4c20
[  454.100513]  0
[  454.102322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.106532]  0
[  454.108340]  ? __lock_acquire+0x62f/0x4c20
[  454.113420]  0
[  454.115228]  ? should_fail+0x22d/0xd01
[  454.121250]  ? rcu_irq_exit+0x1a2/0x390
[  454.125116] Node 0 DMA: 1*4kB 
[  454.129100]  ? mark_held_locks+0x130/0x130
[  454.129118]  ? mark_held_locks+0x130/0x130
[  454.132293] (U) 
[  454.136529]  ? mark_held_locks+0xc7/0x130
[  454.140742] 0*8kB 
[  454.142722]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  454.146845] 0*16kB 
[  454.148994]  ? zap_class+0x640/0x640
[  454.154004] 1*32kB 
[  454.156239]  ? print_usage_bug+0xc0/0xc0
[  454.159931] (U) 
[  454.162168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.166217] 2*64kB 
[  454.168200]  ? check_preemption_disabled+0x48/0x280
[  454.173718] (U) 
[  454.175962]  ? __lock_is_held+0xb5/0x140
[  454.180957] 1*128kB 
[  454.182967]  __alloc_pages_nodemask+0xa80/0xde0
[  454.187010] (U) 
[  454.189331]  ? zap_class+0x640/0x640
[  454.193988] 1*256kB 
[  454.195964]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  454.199664] (U) 
[  454.201993]  ? find_held_lock+0x36/0x1c0
[  454.206991] 0*512kB 1*1024kB 
[  454.208983]  ? ____cache_alloc_node+0x1c7/0x1e0
[  454.213020] (U) 
[  454.216124]  ? lock_downgrade+0x900/0x900
[  454.220766] 1*2048kB (M) 
[  454.222760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.226884] 3*4096kB 
[  454.229648]  cache_grow_begin+0xa5/0x8c0
[  454.235160] (M) 
[  454.237573]  ? do_raw_spin_unlock+0xa7/0x330
[  454.241610] = 15908kB
[  454.243588]  fallback_alloc+0x204/0x2e0
[  454.247979] Node 0 
[  454.250405]  ____cache_alloc_node+0x1c7/0x1e0
[  454.254353] DMA32: 
[  454.256598]  kmem_cache_alloc_node+0xe3/0x730
[  454.261070] 2*4kB 
[  454.263308]  ? ipv6_get_ifaddr+0x42e/0x620
[  454.267785] (M) 
[  454.269945]  __alloc_skb+0x119/0x770
[  454.274171] 3*8kB 
[  454.276153]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  454.279841] (UM) 
[  454.282001]  ? netdev_alloc_frag+0x1f0/0x1f0
[  454.282019]  ? lock_downgrade+0x900/0x900
[  454.287279] 3*16kB 
[  454.289352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.293733] (UM) 
[  454.297890]  ? refcount_sub_and_test_checked+0x203/0x310
[  454.300103] 4*32kB 
[  454.305638]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  454.307677] (UM) 
[  454.313130]  ? addrconf_rs_timer+0x690/0x690
[  454.315349] 5*64kB 
[  454.320806]  ndisc_alloc_skb+0x144/0x340
[  454.322840] (UM) 
[  454.327251]  ndisc_send_rs+0x331/0x6e0
[  454.329471] 4*128kB 
[  454.333541]  addrconf_rs_timer+0x314/0x690
[  454.335584] (M) 
[  454.339477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.341774] 5*256kB 
[  454.346018]  call_timer_fn+0x272/0x920
[  454.347965] (UM) 
[  454.352198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.352217]  ? process_timeout+0x40/0x40
[  454.354526] 5*512kB 
[  454.358430]  ? __run_timers+0x7da/0xc70
[  454.360462] (UM) 
[  454.364707]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.368748] 4*1024kB 
[  454.371072]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.375026] (UM) 
[  454.377092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.381567] 2*2048kB 
[  454.383982]  ? lockdep_hardirqs_on+0x296/0x5b0
[  454.388463] (M) 
[  454.390531]  ? trace_hardirqs_on+0xbd/0x310
[  454.394739] 3*4096kB (M) 
[  454.397158]  ? kasan_check_read+0x11/0x20
[  454.401722] = 25360kB
[  454.403698]  ? __run_timers+0x7da/0xc70
[  454.407999] Node 0 
[  454.410770]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.414910] Normal: 
[  454.417322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.421275] 783*4kB 
[  454.423513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.428597] (UMEH) 
[  454.430925]  __run_timers+0x7e5/0xc70
[  454.435148] 379*8kB (MEH) 
[  454.437501]  ? timer_fixup_init+0x70/0x70
[  454.441702] 205*16kB 
[  454.443937]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  454.447721] (UMEH) 
[  454.450567]  ? zap_class+0x640/0x640
[  454.454690] 93*32kB (UMEH) 
[  454.457117]  ? enqueue_hrtimer+0x1a5/0x560
[  454.462114] 24*64kB 
[  454.464354]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  454.468059] (UMH) 
[  454.470994]  ? find_held_lock+0x36/0x1c0
[  454.475211] 1*128kB (H) 
[  454.477544]  ? zap_class+0x640/0x640
[  454.482718] 0*256kB 
[  454.484872]  ? pvclock_read_flags+0x160/0x160
[  454.488912] 0*512kB 
[  454.491585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.495280] 0*1024kB 0*2048kB 
[  454.497615]  ? check_preemption_disabled+0x48/0x280
[  454.502094] 0*4096kB 
[  454.504421]  ? __lock_is_held+0xb5/0x140
[  454.510110] = 14084kB
[  454.513309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.518316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  454.520722]  ? check_preemption_disabled+0x48/0x280
[  454.524768] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  454.527191]  run_timer_softirq+0x52/0xb0
[  454.532695] 1070 total pagecache pages
[  454.541534]  ? rcu_read_lock_sched_held+0x14f/0x180
[  454.546544] 0 pages in swap cache
[  454.555125]  __do_softirq+0x308/0xb7e
[  454.559174] Swap cache stats: add 0, delete 0, find 0/0
[  454.563065]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  454.568069] Free swap  = 0kB
[  454.571520]  ? lock_downgrade+0x900/0x900
[  454.575320] Total swap = 0kB
[  454.580688]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  454.585159] 1965979 pages RAM
[  454.588311]  ? pvclock_read_flags+0x160/0x160
[  454.592441] 0 pages HighMem/MovableOnly
[  454.595460]  ? lapic_next_event+0x5a/0x90
[  454.600540] 342293 pages reserved
[  454.603647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.608120] 0 pages cma reserved
[  454.612097]  ? kvm_clock_read+0x18/0x30
[  454.616385] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  454.619675]  ? kvm_sched_clock_read+0x9/0x20
[  454.625201] syz-fuzzer cpuset=
[  454.628570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.632521] /
[  454.642751]  ? check_preemption_disabled+0x48/0x280
[  454.647148]  mems_allowed=0
[  454.650344]  irq_exit+0x17f/0x1c0
[  454.668956]  smp_apic_timer_interrupt+0x1cb/0x760
[  454.673802]  ? smp_reschedule_interrupt+0x109/0x650
[  454.678826]  ? smp_call_function_single_interrupt+0x650/0x650
[  454.684713]  ? interrupt_entry+0xb5/0xc0
[  454.688792]  ? trace_hardirqs_off_caller+0xbb/0x310
[  454.693808]  ? trace_hardirqs_off_caller+0xbb/0x310
[  454.698830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.703675]  ? trace_hardirqs_on_caller+0x310/0x310
[  454.708695]  ? trace_hardirqs_on_caller+0x310/0x310
[  454.713728]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.718585]  apic_timer_interrupt+0xf/0x20
[  454.722815]  </IRQ>
[  454.725058] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  454.729990] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  454.748892] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  454.756604] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  454.763877] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  454.771150] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  454.778417] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  454.785686] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  454.792999]  skb_clone+0x1bb/0x500
[  454.796549]  ? finish_task_switch+0x1b4/0x910
[  454.801067]  ? skb_split+0x11e0/0x11e0
[  454.804976]  ? preempt_notifier_register+0x200/0x200
[  454.810085]  ? __switch_to_asm+0x34/0x70
[  454.814151]  ? __switch_to_asm+0x34/0x70
[  454.818217]  ? __switch_to_asm+0x40/0x70
[  454.822278]  ? __switch_to_asm+0x34/0x70
[  454.826345]  ? __switch_to_asm+0x40/0x70
[  454.830407]  ? __switch_to_asm+0x34/0x70
[  454.834476]  ? __switch_to_asm+0x40/0x70
[  454.838537]  ? __switch_to_asm+0x34/0x70
[  454.842603]  ? __switch_to_asm+0x34/0x70
[  454.846672]  ? __switch_to_asm+0x40/0x70
[  454.850733]  ? __switch_to_asm+0x34/0x70
[  454.854804]  bpf_clone_redirect+0xb9/0x490
[  454.859049]  ? __schedule+0x8d7/0x21d0
[  454.862947]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  454.867976]  ? __sched_text_start+0x8/0x8
[  454.872140]  ? find_held_lock+0x36/0x1c0
[  454.876217]  ? lock_acquire+0x1ed/0x520
[  454.880198]  ? bpf_test_run+0x3cb/0x780
[  454.884181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.889721]  ? check_preemption_disabled+0x48/0x280
[  454.894751]  ? kasan_check_read+0x11/0x20
[  454.898906]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  454.904191]  ? rcu_softirq_qs+0x20/0x20
[  454.908175]  ? preempt_schedule+0x4d/0x60
[  454.912334]  ? ___preempt_schedule+0x16/0x18
[  454.916757]  ? bpf_test_run+0x25d/0x780
[  454.920753]  ? netlink_diag_dump+0x2a0/0x2a0
[  454.925171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.930711]  ? bpf_test_init.isra.10+0x70/0x100
[  454.935390]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  454.940159]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  454.945002]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  454.950540]  ? fput+0x130/0x1a0
[  454.953827]  ? __bpf_prog_get+0x9b/0x290
[  454.957892]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  454.962738]  ? bpf_prog_test_run+0x130/0x1a0
[  454.967154]  ? __x64_sys_bpf+0x3d8/0x520
[  454.971226]  ? bpf_prog_get+0x20/0x20
[  454.975056]  ? do_syscall_64+0x1b9/0x820
[  454.979120]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  454.984499]  ? syscall_return_slowpath+0x5e0/0x5e0
[  454.989436]  ? trace_hardirqs_on_caller+0x310/0x310
[  454.994466]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  454.999500]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  455.006174]  ? __switch_to_asm+0x40/0x70
[  455.010242]  ? __switch_to_asm+0x34/0x70
[  455.014316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.019175]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  455.024563] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  455.024632] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  455.031151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  455.031160] Call Trace:
[  455.037750] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  455.047000]  <IRQ>
[  455.049583] syz-executor1 cpuset=
[  455.060072]  dump_stack+0x244/0x39d
[  455.062205] syz1
[  455.065660]  ? dump_stack_print_info.cold.1+0x20/0x20
[  455.069272]  mems_allowed=0
[  455.071257]  warn_alloc.cold.117+0xb7/0x1bd
[  455.083665]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  455.088519]  ? lock_downgrade+0x900/0x900
[  455.092682]  ? trace_hardirqs_off+0xb8/0x310
[  455.097105]  ? trace_hardirqs_off+0xb8/0x310
[  455.101528]  __alloc_pages_slowpath+0x2660/0x2d70
[  455.106408]  ? warn_alloc+0x120/0x120
[  455.110222]  ? warn_alloc+0x120/0x120
[  455.114031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.119575]  ? print_usage_bug+0xc0/0xc0
[  455.123638]  ? warn_alloc+0x120/0x120
[  455.127452]  ? print_usage_bug+0xc0/0xc0
[  455.131524]  ? mark_held_locks+0x130/0x130
[  455.135761]  ? __lock_is_held+0xb5/0x140
[  455.139829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.145373]  ? should_fail+0x22d/0xd01
[  455.149271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.154378]  ? __lock_acquire+0x62f/0x4c20
[  455.158628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.163736]  ? should_fail+0x22d/0xd01
[  455.167639]  ? mark_held_locks+0x130/0x130
[  455.171885]  ? mark_held_locks+0x130/0x130
[  455.176121]  ? print_usage_bug+0xc0/0xc0
[  455.180188]  ? find_held_lock+0x36/0x1c0
[  455.184254]  ? zap_class+0x640/0x640
[  455.187990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.193532]  ? check_preemption_disabled+0x48/0x280
[  455.198560]  ? __lock_is_held+0xb5/0x140
[  455.202634]  __alloc_pages_nodemask+0xa80/0xde0
[  455.207306]  ? zap_class+0x640/0x640
[  455.211031]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  455.216063]  ? find_held_lock+0x36/0x1c0
[  455.220136]  ? ____cache_alloc_node+0x1c7/0x1e0
[  455.224811]  ? lock_downgrade+0x900/0x900
[  455.228968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.234524]  cache_grow_begin+0xa5/0x8c0
[  455.238591]  ? do_raw_spin_unlock+0xa7/0x330
[  455.243018]  fallback_alloc+0x204/0x2e0
[  455.247005]  ____cache_alloc_node+0x1c7/0x1e0
[  455.251511]  kmem_cache_alloc_node+0xe3/0x730
[  455.256013]  ? mark_held_locks+0xc7/0x130
[  455.260180]  __alloc_skb+0x119/0x770
[  455.263905]  ? netdev_alloc_frag+0x1f0/0x1f0
[  455.268322]  ? do_raw_spin_trylock+0x270/0x270
[  455.272907]  ? kmem_cache_alloc_trace+0x353/0x750
[  455.277765]  ? queue_work_on+0x12c/0x1e0
[  455.281843]  ? switchdev_port_obj_del+0xdc/0x440
[  455.286609]  ? switchdev_trans_item_enqueue+0x260/0x260
[  455.291995]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  455.297025]  __br_mdb_notify+0x4ff/0x15d0
[  455.301181]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  455.306301]  ? __br_mdb_add+0x7f0/0x7f0
[  455.310290]  ? mark_held_locks+0x130/0x130
[  455.314561]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  455.319673]  ? debug_object_assert_init+0x368/0x4b0
[  455.324694]  ? debug_object_init_on_stack+0x20/0x20
[  455.329712]  ? zap_class+0x640/0x640
[  455.333435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.338989]  br_mdb_notify+0x310/0x410
[  455.342884]  ? br_mdb_dump+0x27b0/0x27b0
[  455.346969]  br_multicast_del_pg+0x3df/0x790
[  455.351398]  ? br_mdb_ip_get+0x940/0x940
[  455.355470]  ? rwlock_bug.part.2+0x90/0x90
[  455.359713]  ? __lock_is_held+0xb5/0x140
[  455.363787]  br_multicast_port_group_expired+0x189/0x1e0
[  455.369251]  call_timer_fn+0x272/0x920
[  455.373151]  ? br_multicast_del_pg+0x790/0x790
[  455.377744]  ? process_timeout+0x40/0x40
[  455.381817]  ? mark_held_locks+0xc7/0x130
[  455.385977]  ? _raw_spin_unlock_irq+0x27/0x80
[  455.390477]  ? _raw_spin_unlock_irq+0x27/0x80
[  455.394985]  ? br_multicast_del_pg+0x790/0x790
[  455.399580]  ? lockdep_hardirqs_on+0x296/0x5b0
[  455.404166]  ? trace_hardirqs_on+0xbd/0x310
[  455.408491]  ? kasan_check_read+0x11/0x20
[  455.412647]  ? __run_timers+0x7da/0xc70
[  455.416629]  ? trace_hardirqs_off_caller+0x310/0x310
[  455.421747]  ? br_multicast_del_pg+0x790/0x790
[  455.426344]  ? br_multicast_del_pg+0x790/0x790
[  455.430931]  __run_timers+0x7e5/0xc70
[  455.434748]  ? timer_fixup_init+0x70/0x70
[  455.438905]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  455.443925]  ? zap_class+0x640/0x640
[  455.447645]  ? print_usage_bug+0xc0/0xc0
[  455.451719]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  455.456924]  ? find_held_lock+0x36/0x1c0
[  455.460999]  ? zap_class+0x640/0x640
[  455.464725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.470266]  ? check_preemption_disabled+0x48/0x280
[  455.475302]  ? __lock_is_held+0xb5/0x140
[  455.479367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.485076]  ? check_preemption_disabled+0x48/0x280
[  455.490106]  run_timer_softirq+0x52/0xb0
[  455.494173]  ? rcu_read_lock_sched_held+0x14f/0x180
[  455.499201]  __do_softirq+0x308/0xb7e
[  455.503013]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  455.507512]  ? lock_downgrade+0x900/0x900
[  455.511668]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  455.516784]  ? pvclock_read_flags+0x160/0x160
[  455.521285]  ? lapic_next_event+0x5a/0x90
[  455.525439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.530992]  ? kvm_clock_read+0x18/0x30
[  455.534969]  ? kvm_sched_clock_read+0x9/0x20
[  455.539393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.544938]  ? check_preemption_disabled+0x48/0x280
[  455.549985]  irq_exit+0x17f/0x1c0
[  455.553452]  smp_apic_timer_interrupt+0x1cb/0x760
[  455.558302]  ? smp_call_function_single_interrupt+0x650/0x650
[  455.564191]  ? interrupt_entry+0xb5/0xc0
[  455.568264]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.573284]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.578308]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.583159]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.588181]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.593200]  ? task_prio+0x50/0x50
[  455.596745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.602291]  ? check_preemption_disabled+0x48/0x280
[  455.607322]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.612193]  apic_timer_interrupt+0xf/0x20
[  455.616425]  </IRQ>
[  455.618668] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  455.623773] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  455.642684] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  455.650402] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  455.657672] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  455.664950] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  455.672224] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  455.679493] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  455.686814]  shrink_active_list+0x67b/0x1c20
[  455.691228]  ? free_unref_page_list+0xd1b/0x11e0
[  455.696004]  ? shrink_inactive_list+0xa4a/0x1c60
[  455.700771]  ? zap_class+0x60f/0x640
[  455.704496]  ? shrink_inactive_list+0x1c60/0x1c60
[  455.709356]  ? _raw_spin_unlock_irq+0x27/0x80
[  455.713865]  ? find_held_lock+0x36/0x1c0
[  455.717932]  ? __page_frag_cache_drain+0x200/0x200
[  455.722862]  ? print_usage_bug+0xc0/0xc0
[  455.726944]  ? find_held_lock+0x36/0x1c0
[  455.731018]  ? zap_class+0x640/0x640
[  455.734735]  ? mark_held_locks+0xc7/0x130
[  455.738894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.744438]  ? check_preemption_disabled+0x48/0x280
[  455.749464]  ? zap_class+0x640/0x640
[  455.753182]  ? __lock_is_held+0xb5/0x140
[  455.757257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.762801]  ? check_preemption_disabled+0x48/0x280
[  455.767831]  ? __lock_is_held+0xb5/0x140
[  455.771913]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  455.776938]  ? inactive_list_is_low+0x305/0x880
[  455.781624]  ? lruvec_lru_size+0x450/0x450
[  455.785870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.790805]  ? rcu_softirq_qs+0x20/0x20
[  455.794792]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  455.799744]  shrink_node_memcg+0x803/0x18f0
[  455.804093]  ? shrink_active_list+0x1c20/0x1c20
[  455.808773]  ? lock_downgrade+0x900/0x900
[  455.812926]  ? check_flush_dependency+0x410/0x410
[  455.817782]  ? kasan_check_read+0x11/0x20
[  455.821946]  ? ___preempt_schedule+0x16/0x18
[  455.826370]  ? _raw_spin_unlock+0x3f/0x50
[  455.830522]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  455.835718]  shrink_node+0x3bc/0x16b0
[  455.839530]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  455.844836]  ? shrink_node_memcg+0x18f0/0x18f0
[  455.849426]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  455.854013]  ? trace_hardirqs_on+0xbd/0x310
[  455.858337]  ? vmpressure+0x271/0x340
[  455.862148]  ? do_raw_spin_trylock+0x270/0x270
[  455.866749]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  455.872298]  ? __cpuset_node_allowed+0x19b/0x660
[  455.877063]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  455.882776]  ? vmpressure+0x1a2/0x340
[  455.886595]  do_try_to_free_pages+0x3e7/0x1290
[  455.891181]  ? zap_class+0x640/0x640
[  455.894916]  ? shrink_node+0x16b0/0x16b0
[  455.898986]  ? __lock_is_held+0xb5/0x140
[  455.903065]  try_to_free_pages+0x4d0/0xb90
[  455.907310]  ? do_try_to_free_pages+0x1290/0x1290
[  455.912153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.917710]  ? lock_acquire+0x1ed/0x520
[  455.921694]  ? set_page_refcounted+0x280/0x280
[  455.926292]  ? lock_release+0xa00/0xa00
[  455.930288]  ? perf_trace_sched_process_exec+0x860/0x860
[  455.935756]  __alloc_pages_slowpath+0x9c4/0x2d70
[  455.940548]  ? warn_alloc+0x120/0x120
[  455.944354]  ? rcu_softirq_qs+0x20/0x20
[  455.948366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.953912]  ? should_fail+0x22d/0xd01
[  455.957814]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.962923]  ? zap_class+0x640/0x640
[  455.966675]  ? __lock_is_held+0xb5/0x140
[  455.970749]  ? mark_held_locks+0x130/0x130
[  455.974998]  ? lock_release+0xa00/0xa00
[  455.978991]  ? perf_trace_sched_process_exec+0x860/0x860
[  455.984460]  ? __might_sleep+0x95/0x190
[  455.988443]  __alloc_pages_nodemask+0xa80/0xde0
[  455.993124]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  455.998150]  ? __page_cache_alloc+0x191/0x5c0
[  456.002650]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  456.007592]  ? kasan_check_read+0x11/0x20
[  456.011747]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  456.017032]  ? zap_class+0x640/0x640
[  456.020758]  ? zap_class+0x640/0x640
[  456.024471]  ? zap_class+0x640/0x640
[  456.028189]  ? __do_page_cache_readahead+0x7ce/0x980
[  456.033301]  ? find_held_lock+0x36/0x1c0
[  456.037377]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  456.042926]  alloc_pages_current+0x173/0x350
[  456.047347]  __page_cache_alloc+0x38c/0x5c0
[  456.051672]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  456.056603]  ? kasan_check_read+0x11/0x20
[  456.060762]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  456.066052]  ? generic_perform_write+0x6a0/0x6a0
[  456.070817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.076365]  ? check_preemption_disabled+0x48/0x280
[  456.081393]  filemap_fault+0x1594/0x25f0
[  456.085472]  ? __lock_page_or_retry+0xa00/0xa00
[  456.090153]  ? mark_held_locks+0x130/0x130
[  456.094396]  ? rcu_softirq_qs+0x20/0x20
[  456.098386]  ? filemap_map_pages+0xe04/0x1990
[  456.102894]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  456.107485]  ? __free_object+0x173/0x340
[  456.111548]  ? debug_object_free+0x36f/0x690
[  456.115960]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  456.120904]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.126021]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  456.130701]  ? queue_work_on+0x12c/0x1e0
[  456.134771]  ? debug_object_free+0x36f/0x690
[  456.139275]  ? kasan_check_read+0x11/0x20
[  456.143428]  ? debug_object_destroy+0x2b0/0x2b0
[  456.148105]  ? lock_pi_update_atomic+0x150/0x150
[  456.152864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.158406]  ? __hrtimer_init+0xdb/0x240
[  456.162482]  ? lock_acquire+0x1ed/0x520
[  456.166467]  ? ext4_filemap_fault+0x7a/0xad
[  456.170804]  ? lock_release+0xa00/0xa00
[  456.174789]  ? perf_trace_sched_process_exec+0x860/0x860
[  456.180246]  ? print_usage_bug+0xc0/0xc0
[  456.184314]  ? print_usage_bug+0xc0/0xc0
[  456.188390]  ? down_read+0x8d/0x120
[  456.192019]  ? ext4_filemap_fault+0x7a/0xad
[  456.196348]  ? __down_interruptible+0x700/0x700
[  456.201035]  ext4_filemap_fault+0x82/0xad
[  456.205186]  __do_fault+0x100/0x6b0
[  456.208822]  ? pmd_devmap_trans_unstable+0x220/0x220
[  456.213930]  ? mark_held_locks+0x130/0x130
[  456.218167]  ? mark_held_locks+0x130/0x130
[  456.222503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.228049]  __handle_mm_fault+0x307c/0x5920
[  456.232458]  ? perf_trace_lock+0x7a0/0x7a0
[  456.236705]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  456.241559]  ? __switch_to_asm+0x34/0x70
[  456.245623]  ? __switch_to_asm+0x34/0x70
[  456.249707]  ? zap_class+0x640/0x640
[  456.253426]  ? zap_class+0x640/0x640
[  456.257143]  ? __x64_sys_futex+0x53e/0x6a0
[  456.261388]  ? find_held_lock+0x36/0x1c0
[  456.265465]  ? handle_mm_fault+0x42a/0xc70
[  456.269709]  ? lock_downgrade+0x900/0x900
[  456.273859]  ? check_preemption_disabled+0x48/0x280
[  456.278884]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  456.283820]  ? kasan_check_read+0x11/0x20
[  456.287983]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  456.293264]  ? rcu_softirq_qs+0x20/0x20
[  456.297241]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.302355]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.307895]  ? check_preemption_disabled+0x48/0x280
[  456.312925]  handle_mm_fault+0x54f/0xc70
[  456.316997]  ? __handle_mm_fault+0x5920/0x5920
[  456.321587]  ? find_vma+0x34/0x190
[  456.325143]  __do_page_fault+0x5e8/0xe60
[  456.329204]  ? trace_hardirqs_off+0xb8/0x310
[  456.333630]  do_page_fault+0xf2/0x7e0
[  456.337440]  ? vmalloc_sync_all+0x30/0x30
[  456.341597]  ? error_entry+0x70/0xd0
[  456.345313]  ? trace_hardirqs_off_caller+0xbb/0x310
[  456.350334]  ? trace_hardirqs_on_caller+0xc0/0x310
[  456.355266]  ? syscall_return_slowpath+0x5e0/0x5e0
[  456.360201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.365047]  ? trace_hardirqs_on_caller+0x310/0x310
[  456.370069]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  456.375534]  ? prepare_exit_to_usermode+0x291/0x3b0
[  456.380558]  ? page_fault+0x8/0x30
[  456.384104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.388960]  ? page_fault+0x8/0x30
[  456.392514]  page_fault+0x1e/0x30
[  456.395980] RIP: 0033:0x45ddf3
[  456.399191] Code: Bad RIP value.
[  456.402555] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  456.407922] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  456.415279] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  456.422553] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  456.429823] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  456.437091] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  456.444385] warn_alloc_show_mem: 1 callbacks suppressed
[  456.444397] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  456.444399] Mem-Info:
[  456.444429] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  456.444429]  active_file:15 inactive_file:12 isolated_file:0
[  456.444429]  unevictable:0 dirty:0 writeback:0 unstable:0
[  456.444429]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  456.444429]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  456.444429]  free:13694 free_pcp:0 free_cma:0
[  456.449777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  456.456715] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  456.459117] Call Trace:
[  456.491993] Node 0 
[  456.501345]  <IRQ>
[  456.529037] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  456.531601]  dump_stack+0x244/0x39d
[  456.533814] lowmem_reserve[]:
[  456.535973]  ? dump_stack_print_info.cold.1+0x20/0x20
[  456.561463]  0
[  456.565103]  warn_alloc.cold.117+0xb7/0x1bd
[  456.568189]  2819
[  456.573375]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  456.575160]  6323
[  456.579487]  ? lock_downgrade+0x900/0x900
[  456.581549]  6323
[  456.586400]  ? trace_hardirqs_off+0xb8/0x310
[  456.588902] Node 0 
[  456.593056]  ? trace_hardirqs_off+0xb8/0x310
[  456.595127] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  456.599519]  __alloc_pages_slowpath+0x2660/0x2d70
[  456.601731] lowmem_reserve[]:
[  456.606183]  ? warn_alloc+0x120/0x120
[  456.632856]  0 0
[  456.637714]  ? warn_alloc+0x120/0x120
[  456.640795]  3503
[  456.644597]  ? print_usage_bug+0xc0/0xc0
[  456.646547]  3503
[  456.650359]  ? warn_alloc+0x120/0x120
[  456.652406] Node 0 
[  456.656462]  ? print_usage_bug+0xc0/0xc0
[  456.658545] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  456.662315]  ? __lock_acquire+0x62f/0x4c20
[  456.664543] lowmem_reserve[]:
[  456.668604]  ? __lock_acquire+0x62f/0x4c20
[  456.696688]  0 0
[  456.700945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.704033]  0
[  456.708269]  ? should_fail+0x22d/0xd01
[  456.710229]  0
[  456.715762]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  456.715782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.717569] Node 0 
[  456.721458]  ? __lock_acquire+0x62f/0x4c20
[  456.723244] DMA: 
[  456.728526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.733612] 1*4kB 
[  456.735849]  ? __lock_acquire+0x62f/0x4c20
[  456.740063] (U) 
[  456.742128]  ? should_fail+0x22d/0xd01
[  456.747217] 0*8kB 
[  456.749369]  ? rcu_irq_exit+0x1a2/0x390
[  456.753584] 0*16kB 
[  456.755563]  ? mark_held_locks+0x130/0x130
[  456.759422] 1*32kB (U) 
[  456.761583]  ? mark_held_locks+0x130/0x130
[  456.765536] 2*64kB 
[  456.767773]  ? mark_held_locks+0xc7/0x130
[  456.771989] (U) 
[  456.774577]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  456.778789] 1*128kB 
[  456.781024]  ? zap_class+0x640/0x640
[  456.785150] (U) 
[  456.787125]  ? print_usage_bug+0xc0/0xc0
[  456.792120] 1*256kB 
[  456.794442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.798133] (U) 
[  456.800131]  ? check_preemption_disabled+0x48/0x280
[  456.804161] 0*512kB 1*1024kB 
[  456.806516]  ? __lock_is_held+0xb5/0x140
[  456.812028] (U) 
[  456.814007]  __alloc_pages_nodemask+0xa80/0xde0
[  456.819012] 1*2048kB 
[  456.822118]  ? zap_class+0x640/0x640
[  456.826159] (M) 
[  456.828139]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  456.832789] 3*4096kB 
[  456.835208]  ? find_held_lock+0x36/0x1c0
[  456.838905] (M) 
[  456.840885]  ? ____cache_alloc_node+0x1c7/0x1e0
[  456.845876] = 15908kB
[  456.848289]  ? lock_downgrade+0x900/0x900
[  456.852330] Node 0 
[  456.854313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.858960] DMA32: 
[  456.861371]  cache_grow_begin+0xa5/0x8c0
[  456.865502] 2*4kB 
[  456.867737]  ? do_raw_spin_unlock+0xa7/0x330
[  456.873251] (M) 
[  456.875499]  fallback_alloc+0x204/0x2e0
[  456.879532] 3*8kB 
[  456.881683]  ____cache_alloc_node+0x1c7/0x1e0
[  456.886070] (UM) 
[  456.888052]  kmem_cache_alloc_node+0xe3/0x730
[  456.892003] 3*16kB 
[  456.894148]  ? ipv6_get_ifaddr+0x42e/0x620
[  456.898623] (UM) 
[  456.900691]  __alloc_skb+0x119/0x770
[  456.905161] 4*32kB (UM) 
[  456.907417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  456.911632] 5*64kB 
[  456.913694]  ? netdev_alloc_frag+0x1f0/0x1f0
[  456.917386] (UM) 
[  456.920059]  ? lock_downgrade+0x900/0x900
[  456.925314] 4*128kB 
[  456.927552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.931935] (M) 
[  456.934001]  ? refcount_sub_and_test_checked+0x203/0x310
[  456.938127] 5*256kB 
[  456.940452]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  456.945969] (UM) 
[  456.947952]  ? addrconf_rs_timer+0x690/0x690
[  456.953384] 5*512kB 
[  456.955718]  ndisc_alloc_skb+0x144/0x340
[  456.961139] (UM) 4*1024kB 
[  456.963221]  ndisc_send_rs+0x331/0x6e0
[  456.967606] (UM) 
[  456.969942]  addrconf_rs_timer+0x314/0x690
[  456.973982] 2*2048kB (M) 
[  456.976842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.980725] 3*4096kB 
[  456.982796]  call_timer_fn+0x272/0x920
[  456.987005] (M) 
[  456.989763]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.993981] = 25360kB
[  456.996390]  ? process_timeout+0x40/0x40
[  457.000257] Node 0 
[  457.002236]  ? __run_timers+0x7da/0xc70
[  457.006450] Normal: 
[  457.008867]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.012910] 783*4kB 
[  457.015146]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.019102] (UMEH) 
[  457.021426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.025904] 379*8kB 
[  457.028230]  ? lockdep_hardirqs_on+0x296/0x5b0
[  457.032703] (MEH) 
[  457.034943]  ? trace_hardirqs_on+0xbd/0x310
[  457.039159] 205*16kB 
[  457.041491]  ? kasan_check_read+0x11/0x20
[  457.046043] (UMEH) 
[  457.048205]  ? __run_timers+0x7da/0xc70
[  457.052507] 93*32kB 
[  457.054915]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.059044] (UMEH) 
[  457.061280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.065238] 24*64kB 
[  457.067564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.072648] (UMH) 
[  457.074885]  __run_timers+0x7e5/0xc70
[  457.079104] 1*128kB 
[  457.081433]  ? timer_fixup_init+0x70/0x70
[  457.085641] (H) 
[  457.087793]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  457.091574] 0*256kB 
[  457.093896]  ? zap_class+0x640/0x640
[  457.098029] 0*512kB 
[  457.100005]  ? enqueue_hrtimer+0x1a5/0x560
[  457.105007] 0*1024kB 
[  457.107332]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  457.111023] 0*2048kB 
[  457.113351]  ? find_held_lock+0x36/0x1c0
[  457.117563] 0*4096kB 
[  457.119975]  ? zap_class+0x640/0x640
[  457.125149] = 14084kB
[  457.127563]  ? pvclock_read_flags+0x160/0x160
[  457.131609] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  457.134012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.137715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  457.140124]  ? check_preemption_disabled+0x48/0x280
[  457.144603] 1070 total pagecache pages
[  457.153440]  ? __lock_is_held+0xb5/0x140
[  457.158961] 0 pages in swap cache
[  457.167527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.172528] Swap cache stats: add 0, delete 0, find 0/0
[  457.176409]  ? check_preemption_disabled+0x48/0x280
[  457.180452] Free swap  = 0kB
[  457.183915]  run_timer_softirq+0x52/0xb0
[  457.189432] Total swap = 0kB
[  457.194792]  ? rcu_read_lock_sched_held+0x14f/0x180
[  457.199788] 1965979 pages RAM
[  457.202809]  __do_softirq+0x308/0xb7e
[  457.206843] 0 pages HighMem/MovableOnly
[  457.206853] 342293 pages reserved
[  457.209868]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  457.214870] 0 pages cma reserved
[  457.217976]  ? lock_downgrade+0x900/0x900
[  457.221910] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  457.225736]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  457.229168] syz-fuzzer cpuset=
[  457.233670]  ? pvclock_read_flags+0x160/0x160
[  457.237022] /
[  457.241172]  ? lapic_next_event+0x5a/0x90
[  457.251384]  mems_allowed=0
[  457.256490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.278433]  ? kvm_clock_read+0x18/0x30
[  457.282415]  ? kvm_sched_clock_read+0x9/0x20
[  457.286828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.292370]  ? check_preemption_disabled+0x48/0x280
[  457.297423]  irq_exit+0x17f/0x1c0
[  457.300887]  smp_apic_timer_interrupt+0x1cb/0x760
[  457.305738]  ? smp_reschedule_interrupt+0x109/0x650
[  457.310760]  ? smp_call_function_single_interrupt+0x650/0x650
[  457.316650]  ? interrupt_entry+0xb5/0xc0
[  457.320715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.325731]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.330750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.335595]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.340611]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.345644]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.350509]  apic_timer_interrupt+0xf/0x20
[  457.354742]  </IRQ>
[  457.356982] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  457.361918] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  457.380818] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  457.388528] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  457.395799] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  457.403068] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  457.410335] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  457.417606] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  457.424916]  skb_clone+0x1bb/0x500
[  457.428464]  ? finish_task_switch+0x1b4/0x910
[  457.432972]  ? skb_split+0x11e0/0x11e0
[  457.436871]  ? preempt_notifier_register+0x200/0x200
[  457.441981]  ? __switch_to_asm+0x34/0x70
[  457.446050]  ? __switch_to_asm+0x34/0x70
[  457.450112]  ? __switch_to_asm+0x40/0x70
[  457.454173]  ? __switch_to_asm+0x34/0x70
[  457.458239]  ? __switch_to_asm+0x40/0x70
[  457.462302]  ? __switch_to_asm+0x34/0x70
[  457.466365]  ? __switch_to_asm+0x40/0x70
[  457.470426]  ? __switch_to_asm+0x34/0x70
[  457.474494]  ? __switch_to_asm+0x34/0x70
[  457.478560]  ? __switch_to_asm+0x40/0x70
[  457.483143]  ? __switch_to_asm+0x34/0x70
[  457.487227]  bpf_clone_redirect+0xb9/0x490
[  457.491468]  ? __schedule+0x8d7/0x21d0
[  457.495372]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  457.500398]  ? __sched_text_start+0x8/0x8
[  457.504566]  ? find_held_lock+0x36/0x1c0
[  457.508642]  ? lock_acquire+0x1ed/0x520
[  457.512617]  ? bpf_test_run+0x3cb/0x780
[  457.516592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.522130]  ? check_preemption_disabled+0x48/0x280
[  457.527159]  ? kasan_check_read+0x11/0x20
[  457.531322]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.536602]  ? rcu_softirq_qs+0x20/0x20
[  457.540583]  ? preempt_schedule+0x4d/0x60
[  457.544736]  ? ___preempt_schedule+0x16/0x18
[  457.549157]  ? bpf_test_run+0x25d/0x780
[  457.553151]  ? netlink_diag_dump+0x2a0/0x2a0
[  457.557572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.563109]  ? bpf_test_init.isra.10+0x70/0x100
[  457.567790]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  457.572558]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  457.577400]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  457.582941]  ? fput+0x130/0x1a0
[  457.586228]  ? __bpf_prog_get+0x9b/0x290
[  457.590300]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  457.595151]  ? bpf_prog_test_run+0x130/0x1a0
[  457.599576]  ? __x64_sys_bpf+0x3d8/0x520
[  457.603644]  ? bpf_prog_get+0x20/0x20
[  457.607470]  ? do_syscall_64+0x1b9/0x820
[  457.611546]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  457.616915]  ? syscall_return_slowpath+0x5e0/0x5e0
[  457.621856]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.626875]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  457.631899]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  457.638568]  ? __switch_to_asm+0x40/0x70
[  457.642635]  ? __switch_to_asm+0x34/0x70
[  457.646705]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.651562]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  457.656946] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  457.657014] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  457.663542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  457.663551] Call Trace:
[  457.670128] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  457.679388]  <IRQ>
[  457.681985] syz-executor1 cpuset=
[  457.692470]  dump_stack+0x244/0x39d
[  457.694605] syz1
[  457.698058]  ? dump_stack_print_info.cold.1+0x20/0x20
[  457.701688]  mems_allowed=0
[  457.703674]  warn_alloc.cold.117+0xb7/0x1bd
[  457.716071]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  457.720921]  ? lock_downgrade+0x900/0x900
[  457.725081]  ? trace_hardirqs_off+0xb8/0x310
[  457.729499]  ? trace_hardirqs_off+0xb8/0x310
[  457.733922]  __alloc_pages_slowpath+0x2660/0x2d70
[  457.738805]  ? warn_alloc+0x120/0x120
[  457.742617]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  457.747636]  ? warn_alloc+0x120/0x120
[  457.751442]  ? print_usage_bug+0xc0/0xc0
[  457.755505]  ? warn_alloc+0x120/0x120
[  457.759314]  ? print_usage_bug+0xc0/0xc0
[  457.763384]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  457.768586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.774126]  ? should_fail+0x22d/0xd01
[  457.778025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.783134]  ? __lock_acquire+0x62f/0x4c20
[  457.787383]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.792489]  ? should_fail+0x22d/0xd01
[  457.796393]  ? mark_held_locks+0x130/0x130
[  457.800639]  ? mark_held_locks+0x130/0x130
[  457.804882]  ? print_usage_bug+0xc0/0xc0
[  457.808949]  ? find_held_lock+0x36/0x1c0
[  457.813018]  ? zap_class+0x640/0x640
[  457.816744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.822288]  ? check_preemption_disabled+0x48/0x280
[  457.827322]  ? __lock_is_held+0xb5/0x140
[  457.831399]  __alloc_pages_nodemask+0xa80/0xde0
[  457.836075]  ? zap_class+0x640/0x640
[  457.839798]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  457.844834]  ? find_held_lock+0x36/0x1c0
[  457.848909]  ? ____cache_alloc_node+0x1c7/0x1e0
[  457.853583]  ? lock_downgrade+0x900/0x900
[  457.857746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.863295]  cache_grow_begin+0xa5/0x8c0
[  457.867365]  ? do_raw_spin_unlock+0xa7/0x330
[  457.871785]  fallback_alloc+0x204/0x2e0
[  457.875769]  ____cache_alloc_node+0x1c7/0x1e0
[  457.880278]  kmem_cache_alloc_node+0xe3/0x730
[  457.884776]  ? mark_held_locks+0xc7/0x130
[  457.888940]  __alloc_skb+0x119/0x770
[  457.892666]  ? netdev_alloc_frag+0x1f0/0x1f0
[  457.897076]  ? do_raw_spin_trylock+0x270/0x270
[  457.901660]  ? kmem_cache_alloc_trace+0x353/0x750
[  457.906512]  ? queue_work_on+0x12c/0x1e0
[  457.910586]  ? switchdev_port_obj_del+0xdc/0x440
[  457.915350]  ? switchdev_trans_item_enqueue+0x260/0x260
[  457.920726]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  457.925752]  __br_mdb_notify+0x4ff/0x15d0
[  457.929902]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  457.935026]  ? __br_mdb_add+0x7f0/0x7f0
[  457.939017]  ? mark_held_locks+0x130/0x130
[  457.943267]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  457.948379]  ? debug_object_assert_init+0x368/0x4b0
[  457.953402]  ? debug_object_init_on_stack+0x20/0x20
[  457.958423]  ? zap_class+0x640/0x640
[  457.962146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.967694]  br_mdb_notify+0x310/0x410
[  457.971591]  ? br_mdb_dump+0x27b0/0x27b0
[  457.975675]  br_multicast_del_pg+0x3df/0x790
[  457.980095]  ? br_mdb_ip_get+0x940/0x940
[  457.984161]  ? rwlock_bug.part.2+0x90/0x90
[  457.988403]  ? __lock_is_held+0xb5/0x140
[  457.992479]  br_multicast_port_group_expired+0x189/0x1e0
[  457.997939]  call_timer_fn+0x272/0x920
[  458.001836]  ? br_multicast_del_pg+0x790/0x790
[  458.006428]  ? process_timeout+0x40/0x40
[  458.010505]  ? mark_held_locks+0xc7/0x130
[  458.014661]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.019157]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.023656]  ? br_multicast_del_pg+0x790/0x790
[  458.028242]  ? lockdep_hardirqs_on+0x296/0x5b0
[  458.032831]  ? trace_hardirqs_on+0xbd/0x310
[  458.037161]  ? kasan_check_read+0x11/0x20
[  458.041312]  ? __run_timers+0x7da/0xc70
[  458.045294]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.050409]  ? br_multicast_del_pg+0x790/0x790
[  458.055003]  ? br_multicast_del_pg+0x790/0x790
[  458.059595]  __run_timers+0x7e5/0xc70
[  458.063413]  ? timer_fixup_init+0x70/0x70
[  458.067566]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  458.072590]  ? zap_class+0x640/0x640
[  458.076314]  ? print_usage_bug+0xc0/0xc0
[  458.080380]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  458.085580]  ? find_held_lock+0x36/0x1c0
[  458.089651]  ? zap_class+0x640/0x640
[  458.093379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.098918]  ? check_preemption_disabled+0x48/0x280
[  458.103946]  ? __lock_is_held+0xb5/0x140
[  458.108015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.113560]  ? check_preemption_disabled+0x48/0x280
[  458.118586]  run_timer_softirq+0x52/0xb0
[  458.122656]  ? rcu_read_lock_sched_held+0x14f/0x180
[  458.127683]  __do_softirq+0x308/0xb7e
[  458.131488]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  458.135990]  ? lock_downgrade+0x900/0x900
[  458.140154]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  458.145271]  ? pvclock_read_flags+0x160/0x160
[  458.149772]  ? lapic_next_event+0x5a/0x90
[  458.153927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.159480]  ? kvm_clock_read+0x18/0x30
[  458.163460]  ? kvm_sched_clock_read+0x9/0x20
[  458.167876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.173416]  ? check_preemption_disabled+0x48/0x280
[  458.178452]  irq_exit+0x17f/0x1c0
[  458.181919]  smp_apic_timer_interrupt+0x1cb/0x760
[  458.186771]  ? smp_call_function_single_interrupt+0x650/0x650
[  458.192686]  ? interrupt_entry+0xb5/0xc0
[  458.196754]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.201772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.206798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.211663]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.216680]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.221700]  ? task_prio+0x50/0x50
[  458.225247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.230786]  ? check_preemption_disabled+0x48/0x280
[  458.235812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.240671]  apic_timer_interrupt+0xf/0x20
[  458.244904]  </IRQ>
[  458.247146] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  458.252252] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  458.271174] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  458.278888] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  458.286160] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  458.293427] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  458.300702] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  458.307972] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  458.315288]  shrink_active_list+0x67b/0x1c20
[  458.319699]  ? free_unref_page_list+0xd1b/0x11e0
[  458.324468]  ? shrink_inactive_list+0xa4a/0x1c60
[  458.329233]  ? zap_class+0x60f/0x640
[  458.332956]  ? shrink_inactive_list+0x1c60/0x1c60
[  458.337816]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.342324]  ? find_held_lock+0x36/0x1c0
[  458.346386]  ? __page_frag_cache_drain+0x200/0x200
[  458.351326]  ? print_usage_bug+0xc0/0xc0
[  458.355408]  ? find_held_lock+0x36/0x1c0
[  458.359482]  ? zap_class+0x640/0x640
[  458.363205]  ? mark_held_locks+0xc7/0x130
[  458.367363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.372902]  ? check_preemption_disabled+0x48/0x280
[  458.377926]  ? zap_class+0x640/0x640
[  458.381647]  ? __lock_is_held+0xb5/0x140
[  458.385733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.391273]  ? check_preemption_disabled+0x48/0x280
[  458.396303]  ? __lock_is_held+0xb5/0x140
[  458.400379]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  458.405406]  ? inactive_list_is_low+0x305/0x880
[  458.410090]  ? lruvec_lru_size+0x450/0x450
[  458.414334]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  458.419273]  ? rcu_softirq_qs+0x20/0x20
[  458.423263]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  458.428207]  shrink_node_memcg+0x803/0x18f0
[  458.432552]  ? shrink_active_list+0x1c20/0x1c20
[  458.437236]  ? lock_downgrade+0x900/0x900
[  458.441389]  ? check_flush_dependency+0x410/0x410
[  458.446240]  ? kasan_check_read+0x11/0x20
[  458.450407]  ? ___preempt_schedule+0x16/0x18
[  458.454832]  ? _raw_spin_unlock+0x3f/0x50
[  458.458992]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  458.464190]  shrink_node+0x3bc/0x16b0
[  458.468005]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  458.473317]  ? shrink_node_memcg+0x18f0/0x18f0
[  458.477899]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  458.482484]  ? trace_hardirqs_on+0xbd/0x310
[  458.486810]  ? vmpressure+0x271/0x340
[  458.490621]  ? do_raw_spin_trylock+0x270/0x270
[  458.495227]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  458.500769]  ? __cpuset_node_allowed+0x19b/0x660
[  458.505532]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  458.511245]  ? vmpressure+0x1a2/0x340
[  458.515063]  do_try_to_free_pages+0x3e7/0x1290
[  458.519645]  ? zap_class+0x640/0x640
[  458.523386]  ? shrink_node+0x16b0/0x16b0
[  458.527453]  ? __lock_is_held+0xb5/0x140
[  458.531532]  try_to_free_pages+0x4d0/0xb90
[  458.535777]  ? do_try_to_free_pages+0x1290/0x1290
[  458.540627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.546193]  ? lock_acquire+0x1ed/0x520
[  458.550174]  ? set_page_refcounted+0x280/0x280
[  458.554774]  ? lock_release+0xa00/0xa00
[  458.558764]  ? perf_trace_sched_process_exec+0x860/0x860
[  458.564238]  __alloc_pages_slowpath+0x9c4/0x2d70
[  458.569037]  ? warn_alloc+0x120/0x120
[  458.572841]  ? rcu_softirq_qs+0x20/0x20
[  458.576852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.582395]  ? should_fail+0x22d/0xd01
[  458.586291]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.591871]  ? zap_class+0x640/0x640
[  458.595614]  ? __lock_is_held+0xb5/0x140
[  458.599686]  ? mark_held_locks+0x130/0x130
[  458.603926]  ? lock_release+0xa00/0xa00
[  458.607910]  ? perf_trace_sched_process_exec+0x860/0x860
[  458.613383]  ? __might_sleep+0x95/0x190
[  458.617365]  __alloc_pages_nodemask+0xa80/0xde0
[  458.622044]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  458.627064]  ? __page_cache_alloc+0x191/0x5c0
[  458.631562]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  458.636495]  ? kasan_check_read+0x11/0x20
[  458.640651]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  458.645935]  ? zap_class+0x640/0x640
[  458.649681]  ? zap_class+0x640/0x640
[  458.653403]  ? zap_class+0x640/0x640
[  458.657121]  ? __do_page_cache_readahead+0x7ce/0x980
[  458.662236]  ? find_held_lock+0x36/0x1c0
[  458.666308]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  458.671857]  alloc_pages_current+0x173/0x350
[  458.676279]  __page_cache_alloc+0x38c/0x5c0
[  458.680608]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  458.685539]  ? kasan_check_read+0x11/0x20
[  458.689695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  458.694988]  ? generic_perform_write+0x6a0/0x6a0
[  458.699749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.705296]  ? check_preemption_disabled+0x48/0x280
[  458.710326]  filemap_fault+0x1594/0x25f0
[  458.714410]  ? __lock_page_or_retry+0xa00/0xa00
[  458.719086]  ? mark_held_locks+0x130/0x130
[  458.723329]  ? rcu_softirq_qs+0x20/0x20
[  458.727324]  ? filemap_map_pages+0xe04/0x1990
[  458.731830]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  458.736421]  ? __free_object+0x173/0x340
[  458.740486]  ? debug_object_free+0x36f/0x690
[  458.745406]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  458.750344]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.755458]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  458.760140]  ? queue_work_on+0x12c/0x1e0
[  458.764221]  ? debug_object_free+0x36f/0x690
[  458.768645]  ? kasan_check_read+0x11/0x20
[  458.772800]  ? debug_object_destroy+0x2b0/0x2b0
[  458.777474]  ? lock_pi_update_atomic+0x150/0x150
[  458.782245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.787791]  ? __hrtimer_init+0xdb/0x240
[  458.791877]  ? lock_acquire+0x1ed/0x520
[  458.795856]  ? ext4_filemap_fault+0x7a/0xad
[  458.800195]  ? lock_release+0xa00/0xa00
[  458.804199]  ? perf_trace_sched_process_exec+0x860/0x860
[  458.809660]  ? print_usage_bug+0xc0/0xc0
[  458.813724]  ? print_usage_bug+0xc0/0xc0
[  458.817802]  ? down_read+0x8d/0x120
[  458.821437]  ? ext4_filemap_fault+0x7a/0xad
[  458.825762]  ? __down_interruptible+0x700/0x700
[  458.830454]  ext4_filemap_fault+0x82/0xad
[  458.834611]  __do_fault+0x100/0x6b0
[  458.838253]  ? pmd_devmap_trans_unstable+0x220/0x220
[  458.843362]  ? mark_held_locks+0x130/0x130
[  458.847600]  ? mark_held_locks+0x130/0x130
[  458.851852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.857399]  __handle_mm_fault+0x307c/0x5920
[  458.861808]  ? perf_trace_lock+0x7a0/0x7a0
[  458.866055]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  458.870915]  ? __switch_to_asm+0x34/0x70
[  458.874988]  ? __switch_to_asm+0x34/0x70
[  458.879071]  ? zap_class+0x640/0x640
[  458.882792]  ? zap_class+0x640/0x640
[  458.886512]  ? __x64_sys_futex+0x53e/0x6a0
[  458.890766]  ? find_held_lock+0x36/0x1c0
[  458.894848]  ? handle_mm_fault+0x42a/0xc70
[  458.899090]  ? lock_downgrade+0x900/0x900
[  458.903239]  ? check_preemption_disabled+0x48/0x280
[  458.908264]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  458.913204]  ? kasan_check_read+0x11/0x20
[  458.917356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  458.922638]  ? rcu_softirq_qs+0x20/0x20
[  458.926620]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.931730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.937272]  ? check_preemption_disabled+0x48/0x280
[  458.942300]  handle_mm_fault+0x54f/0xc70
[  458.946376]  ? __handle_mm_fault+0x5920/0x5920
[  458.950967]  ? find_vma+0x34/0x190
[  458.954528]  __do_page_fault+0x5e8/0xe60
[  458.958594]  ? trace_hardirqs_off+0xb8/0x310
[  458.963019]  do_page_fault+0xf2/0x7e0
[  458.966830]  ? vmalloc_sync_all+0x30/0x30
[  458.970990]  ? error_entry+0x70/0xd0
[  458.974713]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.979729]  ? trace_hardirqs_on_caller+0xc0/0x310
[  458.984669]  ? syscall_return_slowpath+0x5e0/0x5e0
[  458.989606]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.994456]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.999476]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  459.004936]  ? prepare_exit_to_usermode+0x291/0x3b0
[  459.009960]  ? page_fault+0x8/0x30
[  459.013511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.018363]  ? page_fault+0x8/0x30
[  459.021911]  page_fault+0x1e/0x30
[  459.025368] RIP: 0033:0x45ddf3
[  459.028585] Code: Bad RIP value.
[  459.031954] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  459.037325] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  459.044592] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  459.051860] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  459.059129] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  459.066403] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  459.073703] warn_alloc_show_mem: 1 callbacks suppressed
[  459.073716] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  459.073718] Mem-Info:
[  459.073748] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  459.073748]  active_file:15 inactive_file:12 isolated_file:0
[  459.073748]  unevictable:0 dirty:0 writeback:0 unstable:0
[  459.073748]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  459.073748]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  459.073748]  free:13694 free_pcp:0 free_cma:0
[  459.079102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  459.086047] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  459.088455] Call Trace:
[  459.121356] Node 0 
[  459.130717]  <IRQ>
[  459.158416] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  459.160986]  dump_stack+0x244/0x39d
[  459.163205] lowmem_reserve[]: 0
[  459.165370]  ? dump_stack_print_info.cold.1+0x20/0x20
[  459.190857]  2819 6323
[  459.194526]  warn_alloc.cold.117+0xb7/0x1bd
[  459.197765]  6323
[  459.202967]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  459.205452] Node 0 
[  459.209778]  ? lock_downgrade+0x900/0x900
[  459.211853] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  459.216678]  ? trace_hardirqs_off+0xb8/0x310
[  459.218896] lowmem_reserve[]:
[  459.223051]  ? trace_hardirqs_off+0xb8/0x310
[  459.249756]  0
[  459.254183]  __alloc_pages_slowpath+0x2660/0x2d70
[  459.257270]  0
[  459.261718]  ? warn_alloc+0x120/0x120
[  459.263471]  3503
[  459.268323]  ? warn_alloc+0x120/0x120
[  459.270101]  3503
[  459.273907]  ? print_usage_bug+0xc0/0xc0
[  459.279760]  ? warn_alloc+0x120/0x120
[  459.281802] Node 0 
[  459.285865]  ? print_usage_bug+0xc0/0xc0
[  459.289675] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  459.291885]  ? __lock_acquire+0x62f/0x4c20
[  459.295923] lowmem_reserve[]:
[  459.324051]  ? __lock_acquire+0x62f/0x4c20
[  459.328273]  0
[  459.331384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.335592]  0
[  459.337396]  ? should_fail+0x22d/0xd01
[  459.342911]  0
[  459.344718]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.348579]  0
[  459.350389]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.357448]  ? __lock_acquire+0x62f/0x4c20
[  459.362536] Node 0 DMA: 
[  459.366784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.366796] 1*4kB 
[  459.369468]  ? __lock_acquire+0x62f/0x4c20
[  459.374555] (U) 
[  459.376712]  ? should_fail+0x22d/0xd01
[  459.380928] 0*8kB 
[  459.382907]  ? rcu_irq_exit+0x1a2/0x390
[  459.386768] 0*16kB 1*32kB 
[  459.388941]  ? mark_held_locks+0x130/0x130
[  459.392892] (U) 
[  459.395740]  ? mark_held_locks+0x130/0x130
[  459.399953] 2*64kB 
[  459.401949]  ? mark_held_locks+0xc7/0x130
[  459.406157] (U) 1*128kB 
[  459.408417]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  459.412533] (U) 1*256kB 
[  459.415217]  ? zap_class+0x640/0x640
[  459.420218] (U) 
[  459.422893]  ? print_usage_bug+0xc0/0xc0
[  459.426588] 0*512kB 1*1024kB 
[  459.428583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.432618] (U) 
[  459.435731]  ? check_preemption_disabled+0x48/0x280
[  459.441254] 1*2048kB 
[  459.443238]  ? __lock_is_held+0xb5/0x140
[  459.448231] (M) 
[  459.450653]  __alloc_pages_nodemask+0xa80/0xde0
[  459.454692] 3*4096kB 
[  459.456667]  ? zap_class+0x640/0x640
[  459.461316] (M) 
[  459.463734]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  459.467427] = 15908kB
[  459.469410]  ? find_held_lock+0x36/0x1c0
[  459.474400] Node 0 
[  459.476822]  ? ____cache_alloc_node+0x1c7/0x1e0
[  459.481056] DMA32: 2*4kB 
[  459.483310]  ? lock_downgrade+0x900/0x900
[  459.487962] (M) 
[  459.490723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.494849] 3*8kB 
[  459.496828]  cache_grow_begin+0xa5/0x8c0
[  459.502342] (UM) 
[  459.504502]  ? do_raw_spin_unlock+0xa7/0x330
[  459.508529] 3*16kB (UM) 
[  459.510609]  fallback_alloc+0x204/0x2e0
[  459.514995] 4*32kB 
[  459.517673]  ____cache_alloc_node+0x1c7/0x1e0
[  459.521627] (UM) 
[  459.523867]  kmem_cache_alloc_node+0xe3/0x730
[  459.528336] 5*64kB (UM) 
[  459.530413]  ? ipv6_get_ifaddr+0x42e/0x620
[  459.534889] 4*128kB 
[  459.537563]  __alloc_skb+0x119/0x770
[  459.541772] (M) 
[  459.544102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.547793] 5*256kB 
[  459.549768]  ? netdev_alloc_frag+0x1f0/0x1f0
[  459.555021] (UM) 
[  459.557343]  ? lock_downgrade+0x900/0x900
[  459.561730] 5*512kB 
[  459.563793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.567915] (UM) 
[  459.570240]  ? refcount_sub_and_test_checked+0x203/0x310
[  459.575755] 4*1024kB 
[  459.577820]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  459.583244] (UM) 2*2048kB 
[  459.585665]  ? addrconf_rs_timer+0x690/0x690
[  459.591351] (M) 3*4096kB 
[  459.594230]  ndisc_alloc_skb+0x144/0x340
[  459.598610] (M) 
[  459.601372]  ndisc_send_rs+0x331/0x6e0
[  459.605413] = 25360kB
[  459.607392]  addrconf_rs_timer+0x314/0x690
[  459.611255] Node 0 
[  459.613668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.617884] Normal: 
[  459.620133]  call_timer_fn+0x272/0x920
[  459.624339] 783*4kB 
[  459.626665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.630526] (UMEH) 379*8kB 
[  459.632859]  ? process_timeout+0x40/0x40
[  459.637131] (MEH) 
[  459.640069]  ? __run_timers+0x7da/0xc70
[  459.644107] 205*16kB 
[  459.646261]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.650216] (UMEH) 
[  459.652627]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.657100] 93*32kB (UMEH) 
[  459.659344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.659362]  ? lockdep_hardirqs_on+0x296/0x5b0
[  459.663842] 24*64kB 
[  459.666772]  ? trace_hardirqs_on+0xbd/0x310
[  459.670990] (UMH) 
[  459.675572]  ? kasan_check_read+0x11/0x20
[  459.677880] 1*128kB 
[  459.682205]  ? __run_timers+0x7da/0xc70
[  459.684325] (H) 
[  459.688487]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.690785] 0*256kB 
[  459.694759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.696719] 0*512kB 
[  459.701819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.704125] 0*1024kB 
[  459.708360]  __run_timers+0x7e5/0xc70
[  459.710667] 0*2048kB 
[  459.714910]  ? timer_fixup_init+0x70/0x70
[  459.717294] 0*4096kB 
[  459.721095]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  459.723482] = 14084kB
[  459.723497] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  459.727639]  ? zap_class+0x640/0x640
[  459.730042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  459.735057]  ? enqueue_hrtimer+0x1a5/0x560
[  459.737449] 1070 total pagecache pages
[  459.746288]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  459.749997] 0 pages in swap cache
[  459.758567]  ? find_held_lock+0x36/0x1c0
[  459.762784] Swap cache stats: add 0, delete 0, find 0/0
[  459.766670]  ? zap_class+0x640/0x640
[  459.771846] Free swap  = 0kB
[  459.775301]  ? pvclock_read_flags+0x160/0x160
[  459.779341] Total swap = 0kB
[  459.784701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.788398] 1965979 pages RAM
[  459.791415]  ? check_preemption_disabled+0x48/0x280
[  459.795888] 0 pages HighMem/MovableOnly
[  459.798942]  ? __lock_is_held+0xb5/0x140
[  459.804436] 342293 pages reserved
[  459.804446] 0 pages cma reserved
[  459.807567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.812714] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  459.816560]  ? check_preemption_disabled+0x48/0x280
[  459.820602] syz-fuzzer cpuset=
[  459.824060]  run_timer_softirq+0x52/0xb0
[  459.827403] /
[  459.832939]  ? rcu_read_lock_sched_held+0x14f/0x180
[  459.843148]  mems_allowed=0
[  459.848166]  __do_softirq+0x308/0xb7e
[  459.868815]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  459.873315]  ? lock_downgrade+0x900/0x900
[  459.877473]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  459.882599]  ? pvclock_read_flags+0x160/0x160
[  459.887099]  ? lapic_next_event+0x5a/0x90
[  459.891256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.896802]  ? kvm_clock_read+0x18/0x30
[  459.900777]  ? kvm_sched_clock_read+0x9/0x20
[  459.905189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.910730]  ? check_preemption_disabled+0x48/0x280
[  459.915764]  irq_exit+0x17f/0x1c0
[  459.919229]  smp_apic_timer_interrupt+0x1cb/0x760
[  459.924160]  ? smp_reschedule_interrupt+0x109/0x650
[  459.929185]  ? smp_call_function_single_interrupt+0x650/0x650
[  459.935077]  ? interrupt_entry+0xb5/0xc0
[  459.939141]  ? trace_hardirqs_off_caller+0xbb/0x310
[  459.944157]  ? trace_hardirqs_off_caller+0xbb/0x310
[  459.949177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.954023]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.959042]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.964078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.968957]  apic_timer_interrupt+0xf/0x20
[  459.973194]  </IRQ>
[  459.975440] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  459.980371] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  459.999280] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  460.006998] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  460.014271] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  460.021543] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  460.028815] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  460.036094] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  460.043414]  skb_clone+0x1bb/0x500
[  460.046963]  ? finish_task_switch+0x1b4/0x910
[  460.051465]  ? skb_split+0x11e0/0x11e0
[  460.055369]  ? preempt_notifier_register+0x200/0x200
[  460.060484]  ? __switch_to_asm+0x34/0x70
[  460.064549]  ? __switch_to_asm+0x34/0x70
[  460.068611]  ? __switch_to_asm+0x40/0x70
[  460.072680]  ? __switch_to_asm+0x34/0x70
[  460.076745]  ? __switch_to_asm+0x40/0x70
[  460.080807]  ? __switch_to_asm+0x34/0x70
[  460.084868]  ? __switch_to_asm+0x40/0x70
[  460.088930]  ? __switch_to_asm+0x34/0x70
[  460.092997]  ? __switch_to_asm+0x34/0x70
[  460.097061]  ? __switch_to_asm+0x40/0x70
[  460.101126]  ? __switch_to_asm+0x34/0x70
[  460.105201]  bpf_clone_redirect+0xb9/0x490
[  460.109446]  ? __schedule+0x8d7/0x21d0
[  460.113353]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  460.118381]  ? __sched_text_start+0x8/0x8
[  460.122546]  ? find_held_lock+0x36/0x1c0
[  460.126619]  ? lock_acquire+0x1ed/0x520
[  460.130597]  ? bpf_test_run+0x3cb/0x780
[  460.134577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.140122]  ? check_preemption_disabled+0x48/0x280
[  460.145153]  ? kasan_check_read+0x11/0x20
[  460.149312]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.154595]  ? rcu_softirq_qs+0x20/0x20
[  460.158578]  ? preempt_schedule+0x4d/0x60
[  460.162734]  ? ___preempt_schedule+0x16/0x18
[  460.167156]  ? bpf_test_run+0x25d/0x780
[  460.171148]  ? netlink_diag_dump+0x2a0/0x2a0
[  460.175562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.181105]  ? bpf_test_init.isra.10+0x70/0x100
[  460.185786]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  460.190558]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  460.195407]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  460.200949]  ? fput+0x130/0x1a0
[  460.204239]  ? __bpf_prog_get+0x9b/0x290
[  460.208308]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  460.213152]  ? bpf_prog_test_run+0x130/0x1a0
[  460.217569]  ? __x64_sys_bpf+0x3d8/0x520
[  460.221636]  ? bpf_prog_get+0x20/0x20
[  460.225461]  ? do_syscall_64+0x1b9/0x820
[  460.229528]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  460.234899]  ? syscall_return_slowpath+0x5e0/0x5e0
[  460.239834]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.244852]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  460.249878]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  460.256553]  ? __switch_to_asm+0x40/0x70
[  460.260617]  ? __switch_to_asm+0x34/0x70
[  460.264690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.269554]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  460.274945] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  460.275011] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  460.281541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  460.281551] Call Trace:
[  460.288145] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  460.297396]  <IRQ>
[  460.299975] syz-executor1 cpuset=
[  460.310471]  dump_stack+0x244/0x39d
[  460.312608] syz1
[  460.316062]  ? dump_stack_print_info.cold.1+0x20/0x20
[  460.319674]  mems_allowed=0
[  460.321658]  warn_alloc.cold.117+0xb7/0x1bd
[  460.334063]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  460.338914]  ? lock_downgrade+0x900/0x900
[  460.343074]  ? trace_hardirqs_off+0xb8/0x310
[  460.347496]  ? trace_hardirqs_off+0xb8/0x310
[  460.351924]  __alloc_pages_slowpath+0x2660/0x2d70
[  460.356801]  ? warn_alloc+0x120/0x120
[  460.360610]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  460.365634]  ? warn_alloc+0x120/0x120
[  460.369442]  ? print_usage_bug+0xc0/0xc0
[  460.373506]  ? warn_alloc+0x120/0x120
[  460.377315]  ? print_usage_bug+0xc0/0xc0
[  460.381381]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  460.386589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.392133]  ? should_fail+0x22d/0xd01
[  460.396034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  460.401143]  ? __lock_acquire+0x62f/0x4c20
[  460.405392]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  460.410501]  ? should_fail+0x22d/0xd01
[  460.414405]  ? mark_held_locks+0x130/0x130
[  460.418650]  ? mark_held_locks+0x130/0x130
[  460.422885]  ? print_usage_bug+0xc0/0xc0
[  460.426953]  ? find_held_lock+0x36/0x1c0
[  460.431026]  ? zap_class+0x640/0x640
[  460.434748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.440288]  ? check_preemption_disabled+0x48/0x280
[  460.445332]  ? __lock_is_held+0xb5/0x140
[  460.449404]  __alloc_pages_nodemask+0xa80/0xde0
[  460.454080]  ? zap_class+0x640/0x640
[  460.457800]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  460.462829]  ? find_held_lock+0x36/0x1c0
[  460.466904]  ? ____cache_alloc_node+0x1c7/0x1e0
[  460.471588]  ? lock_downgrade+0x900/0x900
[  460.475749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.481295]  cache_grow_begin+0xa5/0x8c0
[  460.485355]  ? do_raw_spin_unlock+0xa7/0x330
[  460.489786]  fallback_alloc+0x204/0x2e0
[  460.493775]  ____cache_alloc_node+0x1c7/0x1e0
[  460.498277]  kmem_cache_alloc_node+0xe3/0x730
[  460.502773]  ? mark_held_locks+0xc7/0x130
[  460.506934]  __alloc_skb+0x119/0x770
[  460.510656]  ? netdev_alloc_frag+0x1f0/0x1f0
[  460.515070]  ? do_raw_spin_trylock+0x270/0x270
[  460.519656]  ? kmem_cache_alloc_trace+0x353/0x750
[  460.524512]  ? queue_work_on+0x12c/0x1e0
[  460.528597]  ? switchdev_port_obj_del+0xdc/0x440
[  460.533374]  ? switchdev_trans_item_enqueue+0x260/0x260
[  460.538754]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  460.543781]  __br_mdb_notify+0x4ff/0x15d0
[  460.547938]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  460.553053]  ? __br_mdb_add+0x7f0/0x7f0
[  460.557044]  ? mark_held_locks+0x130/0x130
[  460.561287]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  460.566394]  ? debug_object_assert_init+0x368/0x4b0
[  460.571437]  ? debug_object_init_on_stack+0x20/0x20
[  460.576462]  ? zap_class+0x640/0x640
[  460.580666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.586218]  br_mdb_notify+0x310/0x410
[  460.590580]  ? br_mdb_dump+0x27b0/0x27b0
[  460.594662]  br_multicast_del_pg+0x3df/0x790
[  460.599082]  ? br_mdb_ip_get+0x940/0x940
[  460.603151]  ? rwlock_bug.part.2+0x90/0x90
[  460.607407]  ? __lock_is_held+0xb5/0x140
[  460.611480]  br_multicast_port_group_expired+0x189/0x1e0
[  460.616982]  call_timer_fn+0x272/0x920
[  460.620897]  ? br_multicast_del_pg+0x790/0x790
[  460.625484]  ? process_timeout+0x40/0x40
[  460.629559]  ? mark_held_locks+0xc7/0x130
[  460.633715]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.638221]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.642720]  ? br_multicast_del_pg+0x790/0x790
[  460.647307]  ? lockdep_hardirqs_on+0x296/0x5b0
[  460.651896]  ? trace_hardirqs_on+0xbd/0x310
[  460.656226]  ? kasan_check_read+0x11/0x20
[  460.660391]  ? __run_timers+0x7da/0xc70
[  460.664376]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.669496]  ? br_multicast_del_pg+0x790/0x790
[  460.674125]  ? br_multicast_del_pg+0x790/0x790
[  460.678719]  __run_timers+0x7e5/0xc70
[  460.682539]  ? timer_fixup_init+0x70/0x70
[  460.686691]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  460.691713]  ? zap_class+0x640/0x640
[  460.695438]  ? print_usage_bug+0xc0/0xc0
[  460.699505]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  460.704706]  ? find_held_lock+0x36/0x1c0
[  460.708782]  ? zap_class+0x640/0x640
[  460.712504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.718049]  ? check_preemption_disabled+0x48/0x280
[  460.723078]  ? __lock_is_held+0xb5/0x140
[  460.727147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.732689]  ? check_preemption_disabled+0x48/0x280
[  460.737723]  run_timer_softirq+0x52/0xb0
[  460.741789]  ? rcu_read_lock_sched_held+0x14f/0x180
[  460.746815]  __do_softirq+0x308/0xb7e
[  460.750628]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  460.755126]  ? lock_downgrade+0x900/0x900
[  460.759289]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  460.764410]  ? pvclock_read_flags+0x160/0x160
[  460.768914]  ? lapic_next_event+0x5a/0x90
[  460.773068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.778615]  ? kvm_clock_read+0x18/0x30
[  460.782595]  ? kvm_sched_clock_read+0x9/0x20
[  460.787010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.792550]  ? check_preemption_disabled+0x48/0x280
[  460.797581]  irq_exit+0x17f/0x1c0
[  460.801054]  smp_apic_timer_interrupt+0x1cb/0x760
[  460.805908]  ? smp_call_function_single_interrupt+0x650/0x650
[  460.811795]  ? interrupt_entry+0xb5/0xc0
[  460.815867]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.820881]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.825902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.830752]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.835766]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.840782]  ? task_prio+0x50/0x50
[  460.844322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.849865]  ? check_preemption_disabled+0x48/0x280
[  460.854893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.859758]  apic_timer_interrupt+0xf/0x20
[  460.863992]  </IRQ>
[  460.866239] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  460.871343] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  460.890260] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  460.897994] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  460.905268] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  460.912562] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  460.919828] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  460.927100] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  460.934433]  shrink_active_list+0x67b/0x1c20
[  460.938847]  ? free_unref_page_list+0xd1b/0x11e0
[  460.943615]  ? shrink_inactive_list+0xa4a/0x1c60
[  460.948378]  ? zap_class+0x60f/0x640
[  460.952097]  ? shrink_inactive_list+0x1c60/0x1c60
[  460.956954]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.961464]  ? find_held_lock+0x36/0x1c0
[  460.965530]  ? __page_frag_cache_drain+0x200/0x200
[  460.970459]  ? print_usage_bug+0xc0/0xc0
[  460.974533]  ? find_held_lock+0x36/0x1c0
[  460.978600]  ? zap_class+0x640/0x640
[  460.982316]  ? mark_held_locks+0xc7/0x130
[  460.986468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.992013]  ? check_preemption_disabled+0x48/0x280
[  460.997048]  ? zap_class+0x640/0x640
[  461.000762]  ? __lock_is_held+0xb5/0x140
[  461.004831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.010371]  ? check_preemption_disabled+0x48/0x280
[  461.015402]  ? __lock_is_held+0xb5/0x140
[  461.019478]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  461.024499]  ? inactive_list_is_low+0x305/0x880
[  461.029183]  ? lruvec_lru_size+0x450/0x450
[  461.033434]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  461.038370]  ? rcu_softirq_qs+0x20/0x20
[  461.042354]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  461.047301]  shrink_node_memcg+0x803/0x18f0
[  461.051646]  ? shrink_active_list+0x1c20/0x1c20
[  461.056345]  ? lock_downgrade+0x900/0x900
[  461.060499]  ? check_flush_dependency+0x410/0x410
[  461.065350]  ? kasan_check_read+0x11/0x20
[  461.069508]  ? ___preempt_schedule+0x16/0x18
[  461.073927]  ? _raw_spin_unlock+0x3f/0x50
[  461.078082]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  461.083280]  shrink_node+0x3bc/0x16b0
[  461.087089]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  461.092398]  ? shrink_node_memcg+0x18f0/0x18f0
[  461.096989]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  461.101587]  ? trace_hardirqs_on+0xbd/0x310
[  461.105912]  ? vmpressure+0x271/0x340
[  461.109722]  ? do_raw_spin_trylock+0x270/0x270
[  461.114312]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  461.119859]  ? __cpuset_node_allowed+0x19b/0x660
[  461.124621]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  461.130336]  ? vmpressure+0x1a2/0x340
[  461.134148]  do_try_to_free_pages+0x3e7/0x1290
[  461.138729]  ? zap_class+0x640/0x640
[  461.142465]  ? shrink_node+0x16b0/0x16b0
[  461.146528]  ? __lock_is_held+0xb5/0x140
[  461.150603]  try_to_free_pages+0x4d0/0xb90
[  461.154851]  ? do_try_to_free_pages+0x1290/0x1290
[  461.159696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.165246]  ? lock_acquire+0x1ed/0x520
[  461.169224]  ? set_page_refcounted+0x280/0x280
[  461.173814]  ? lock_release+0xa00/0xa00
[  461.177799]  ? perf_trace_sched_process_exec+0x860/0x860
[  461.183267]  __alloc_pages_slowpath+0x9c4/0x2d70
[  461.188054]  ? warn_alloc+0x120/0x120
[  461.191860]  ? rcu_softirq_qs+0x20/0x20
[  461.195867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.201407]  ? should_fail+0x22d/0xd01
[  461.205305]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.210410]  ? zap_class+0x640/0x640
[  461.214154]  ? __lock_is_held+0xb5/0x140
[  461.218244]  ? mark_held_locks+0x130/0x130
[  461.222480]  ? lock_release+0xa00/0xa00
[  461.226461]  ? perf_trace_sched_process_exec+0x860/0x860
[  461.231925]  ? __might_sleep+0x95/0x190
[  461.235911]  __alloc_pages_nodemask+0xa80/0xde0
[  461.240589]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  461.245608]  ? __page_cache_alloc+0x191/0x5c0
[  461.250105]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  461.255033]  ? kasan_check_read+0x11/0x20
[  461.259183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.264473]  ? zap_class+0x640/0x640
[  461.268202]  ? zap_class+0x640/0x640
[  461.271922]  ? zap_class+0x640/0x640
[  461.275642]  ? __do_page_cache_readahead+0x7ce/0x980
[  461.280751]  ? find_held_lock+0x36/0x1c0
[  461.284818]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  461.290362]  alloc_pages_current+0x173/0x350
[  461.294778]  __page_cache_alloc+0x38c/0x5c0
[  461.299103]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  461.304029]  ? kasan_check_read+0x11/0x20
[  461.308183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.313484]  ? generic_perform_write+0x6a0/0x6a0
[  461.318242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.323781]  ? check_preemption_disabled+0x48/0x280
[  461.328810]  filemap_fault+0x1594/0x25f0
[  461.332890]  ? __lock_page_or_retry+0xa00/0xa00
[  461.337564]  ? mark_held_locks+0x130/0x130
[  461.341803]  ? rcu_softirq_qs+0x20/0x20
[  461.345792]  ? filemap_map_pages+0xe04/0x1990
[  461.350296]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  461.354886]  ? __free_object+0x173/0x340
[  461.358946]  ? debug_object_free+0x36f/0x690
[  461.363364]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  461.368300]  ? trace_hardirqs_off_caller+0x310/0x310
[  461.373412]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  461.378098]  ? queue_work_on+0x12c/0x1e0
[  461.382169]  ? debug_object_free+0x36f/0x690
[  461.386598]  ? kasan_check_read+0x11/0x20
[  461.390769]  ? debug_object_destroy+0x2b0/0x2b0
[  461.395450]  ? lock_pi_update_atomic+0x150/0x150
[  461.400218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.405759]  ? __hrtimer_init+0xdb/0x240
[  461.409833]  ? lock_acquire+0x1ed/0x520
[  461.413814]  ? ext4_filemap_fault+0x7a/0xad
[  461.418148]  ? lock_release+0xa00/0xa00
[  461.422129]  ? perf_trace_sched_process_exec+0x860/0x860
[  461.427596]  ? print_usage_bug+0xc0/0xc0
[  461.431661]  ? print_usage_bug+0xc0/0xc0
[  461.435736]  ? down_read+0x8d/0x120
[  461.439367]  ? ext4_filemap_fault+0x7a/0xad
[  461.443694]  ? __down_interruptible+0x700/0x700
[  461.448400]  ext4_filemap_fault+0x82/0xad
[  461.452558]  __do_fault+0x100/0x6b0
[  461.456198]  ? pmd_devmap_trans_unstable+0x220/0x220
[  461.461312]  ? mark_held_locks+0x130/0x130
[  461.465581]  ? mark_held_locks+0x130/0x130
[  461.469838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.475396]  __handle_mm_fault+0x307c/0x5920
[  461.479856]  ? perf_trace_lock+0x7a0/0x7a0
[  461.484618]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  461.489477]  ? __switch_to_asm+0x34/0x70
[  461.493545]  ? __switch_to_asm+0x34/0x70
[  461.497630]  ? zap_class+0x640/0x640
[  461.501350]  ? zap_class+0x640/0x640
[  461.505073]  ? __x64_sys_futex+0x53e/0x6a0
[  461.509316]  ? find_held_lock+0x36/0x1c0
[  461.513392]  ? handle_mm_fault+0x42a/0xc70
[  461.517636]  ? lock_downgrade+0x900/0x900
[  461.521791]  ? check_preemption_disabled+0x48/0x280
[  461.526830]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  461.531765]  ? kasan_check_read+0x11/0x20
[  461.535930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.541215]  ? rcu_softirq_qs+0x20/0x20
[  461.545199]  ? trace_hardirqs_off_caller+0x310/0x310
[  461.550319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.555866]  ? check_preemption_disabled+0x48/0x280
[  461.560898]  handle_mm_fault+0x54f/0xc70
[  461.564966]  ? __handle_mm_fault+0x5920/0x5920
[  461.569562]  ? find_vma+0x34/0x190
[  461.573116]  __do_page_fault+0x5e8/0xe60
[  461.577178]  ? trace_hardirqs_off+0xb8/0x310
[  461.581601]  do_page_fault+0xf2/0x7e0
[  461.585415]  ? vmalloc_sync_all+0x30/0x30
[  461.589574]  ? error_entry+0x70/0xd0
[  461.593292]  ? trace_hardirqs_off_caller+0xbb/0x310
[  461.598330]  ? trace_hardirqs_on_caller+0xc0/0x310
[  461.603263]  ? syscall_return_slowpath+0x5e0/0x5e0
[  461.608193]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.613042]  ? trace_hardirqs_on_caller+0x310/0x310
[  461.618062]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  461.623524]  ? prepare_exit_to_usermode+0x291/0x3b0
[  461.628546]  ? page_fault+0x8/0x30
[  461.632093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.636947]  ? page_fault+0x8/0x30
[  461.640506]  page_fault+0x1e/0x30
[  461.643963] RIP: 0033:0x45ddf3
[  461.647178] Code: Bad RIP value.
[  461.650543] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  461.655914] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  461.663188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  461.670459] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  461.677734] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  461.685009] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  461.692304] warn_alloc_show_mem: 1 callbacks suppressed
[  461.692317] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  461.692319] Mem-Info:
[  461.692350] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  461.692350]  active_file:15 inactive_file:12 isolated_file:0
[  461.692350]  unevictable:0 dirty:0 writeback:0 unstable:0
[  461.692350]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  461.692350]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  461.692350]  free:13694 free_pcp:0 free_cma:0
[  461.697706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  461.697715] Call Trace:
[  461.704658] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  461.707062]  <IRQ>
[  461.739943] Node 0 
[  461.749312]  dump_stack+0x244/0x39d
[  461.751900] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  461.779564]  ? dump_stack_print_info.cold.1+0x20/0x20
[  461.781698] lowmem_reserve[]:
[  461.783948]  warn_alloc.cold.117+0xb7/0x1bd
[  461.787548]  0
[  461.813066]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  461.818240]  2819
[  461.821348]  ? lock_downgrade+0x900/0x900
[  461.825647]  6323 6323
[  461.827472]  ? trace_hardirqs_off+0xb8/0x310
[  461.834357]  ? trace_hardirqs_off+0xb8/0x310
[  461.838489] Node 0 
[  461.840996]  __alloc_pages_slowpath+0x2660/0x2d70
[  461.845409] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  461.849823]  ? warn_alloc+0x120/0x120
[  461.852010] lowmem_reserve[]:
[  461.856860]  ? warn_alloc+0x120/0x120
[  461.883564]  0 0
[  461.887393]  ? print_usage_bug+0xc0/0xc0
[  461.890478]  3503
[  461.894288]  ? warn_alloc+0x120/0x120
[  461.896245]  3503
[  461.900309]  ? print_usage_bug+0xc0/0xc0
[  461.906172]  ? __lock_acquire+0x62f/0x4c20
[  461.908221] Node 0 
[  461.912287]  ? __lock_acquire+0x62f/0x4c20
[  461.916530] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  461.918742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.922945] lowmem_reserve[]: 0
[  461.951077]  ? should_fail+0x22d/0xd01
[  461.956591]  0
[  461.959873]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.963731]  0 0
[  461.965549]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.970804] Node 0 
[  461.972784]  ? __lock_acquire+0x62f/0x4c20
[  461.977865] DMA: 
[  461.980104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.990140] 1*4kB 
[  461.992207]  ? __lock_acquire+0x62f/0x4c20
[  461.997288] (U) 
[  461.999445]  ? should_fail+0x22d/0xd01
[  462.003661] 0*8kB 
[  462.005639]  ? rcu_irq_exit+0x1a2/0x390
[  462.009509] 0*16kB 
[  462.011670]  ? mark_held_locks+0x130/0x130
[  462.015618] 1*32kB 
[  462.017855]  ? mark_held_locks+0x130/0x130
[  462.022069] (U) 
[  462.024314]  ? mark_held_locks+0xc7/0x130
[  462.028526] 2*64kB (U) 
[  462.030521]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  462.034647] 1*128kB 
[  462.037227]  ? zap_class+0x640/0x640
[  462.042234] (U) 
[  462.044571]  ? print_usage_bug+0xc0/0xc0
[  462.048264] 1*256kB 
[  462.050240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.054283] (U) 
[  462.056611]  ? check_preemption_disabled+0x48/0x280
[  462.062129] 0*512kB 
[  462.064113]  ? __lock_is_held+0xb5/0x140
[  462.069102] 1*1024kB 
[  462.071426]  __alloc_pages_nodemask+0xa80/0xde0
[  462.075468] (U) 
[  462.077886]  ? zap_class+0x640/0x640
[  462.082534] 1*2048kB 
[  462.084514]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  462.088212] (M) 
[  462.090630]  ? find_held_lock+0x36/0x1c0
[  462.095622] 3*4096kB 
[  462.097606]  ? ____cache_alloc_node+0x1c7/0x1e0
[  462.101640] (M) 
[  462.104049]  ? lock_downgrade+0x900/0x900
[  462.108698] = 15908kB
[  462.110676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.114804] Node 0 
[  462.117223]  cache_grow_begin+0xa5/0x8c0
[  462.122738] DMA32: 
[  462.124976]  ? do_raw_spin_unlock+0xa7/0x330
[  462.129021] 2*4kB 
[  462.131261]  fallback_alloc+0x204/0x2e0
[  462.135653] (M) 
[  462.137806]  ____cache_alloc_node+0x1c7/0x1e0
[  462.141759] 3*8kB 
[  462.143736]  kmem_cache_alloc_node+0xe3/0x730
[  462.148210] (UM) 
[  462.150363]  ? ipv6_get_ifaddr+0x42e/0x620
[  462.154840] 3*16kB 
[  462.156905]  __alloc_skb+0x119/0x770
[  462.161116] (UM) 
[  462.163358]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.167046] 4*32kB 
[  462.169105]  ? netdev_alloc_frag+0x1f0/0x1f0
[  462.174363] (UM) 
[  462.176597]  ? lock_downgrade+0x900/0x900
[  462.180987] 5*64kB 
[  462.183056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.187177] (UM) 
[  462.189422]  ? refcount_sub_and_test_checked+0x203/0x310
[  462.194937] 4*128kB 
[  462.197003]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  462.202429] (M) 5*256kB 
[  462.204774]  ? addrconf_rs_timer+0x690/0x690
[  462.210193] (UM) 5*512kB 
[  462.212887]  ndisc_alloc_skb+0x144/0x340
[  462.217269] (UM) 
[  462.220028]  ndisc_send_rs+0x331/0x6e0
[  462.224073] 4*1024kB 
[  462.226136]  addrconf_rs_timer+0x314/0x690
[  462.230008] (UM) 
[  462.232418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.236630] 2*2048kB 
[  462.238701]  call_timer_fn+0x272/0x920
[  462.242909] (M) 
[  462.245319]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.249185] 3*4096kB 
[  462.251168]  ? process_timeout+0x40/0x40
[  462.255387] (M) 
[  462.257803]  ? __run_timers+0x7da/0xc70
[  462.261842] = 25360kB
[  462.263820]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.267774] Node 0 
[  462.270196]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.274666] Normal: 
[  462.276901]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.281394] 783*4kB 
[  462.283718]  ? lockdep_hardirqs_on+0x296/0x5b0
[  462.287936] (UMEH) 
[  462.290260]  ? trace_hardirqs_on+0xbd/0x310
[  462.294822] 379*8kB 
[  462.297061]  ? kasan_check_read+0x11/0x20
[  462.301360] (MEH) 
[  462.303695]  ? __run_timers+0x7da/0xc70
[  462.307838] 205*16kB 
[  462.309988]  ? trace_hardirqs_off_caller+0x310/0x310
[  462.313946] (UMEH) 
[  462.316359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.321459] 93*32kB 
[  462.323704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.327920] (UMEH) 
[  462.330249]  __run_timers+0x7e5/0xc70
[  462.334464] 24*64kB 
[  462.336713]  ? timer_fixup_init+0x70/0x70
[  462.340479] (UMH) 1*128kB 
[  462.342814]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  462.346937] (H) 0*256kB 
[  462.349793]  ? zap_class+0x640/0x640
[  462.354791] 0*512kB 
[  462.357462]  ? enqueue_hrtimer+0x1a5/0x560
[  462.361149] 0*1024kB 0*2048kB 
[  462.363496]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  462.367713] 0*4096kB 
[  462.370927]  ? find_held_lock+0x36/0x1c0
[  462.376118] = 14084kB
[  462.378534]  ? zap_class+0x640/0x640
[  462.382587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  462.384999]  ? pvclock_read_flags+0x160/0x160
[  462.388707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  462.397540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.402020] 1070 total pagecache pages
[  462.410593]  ? check_preemption_disabled+0x48/0x280
[  462.416117] 0 pages in swap cache
[  462.420003]  ? __lock_is_held+0xb5/0x140
[  462.425001] Swap cache stats: add 0, delete 0, find 0/0
[  462.425010] Free swap  = 0kB
[  462.428466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.432510] Total swap = 0kB
[  462.437873]  ? check_preemption_disabled+0x48/0x280
[  462.440874] 1965979 pages RAM
[  462.446412]  run_timer_softirq+0x52/0xb0
[  462.449410] 0 pages HighMem/MovableOnly
[  462.454427]  ? rcu_read_lock_sched_held+0x14f/0x180
[  462.457512] 342293 pages reserved
[  462.461570]  __do_softirq+0x308/0xb7e
[  462.465525] 0 pages cma reserved
[  462.470545]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  462.474159] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  462.477779]  ? lock_downgrade+0x900/0x900
[  462.477803]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  462.481295] syz-fuzzer cpuset=
[  462.485805]  ? pvclock_read_flags+0x160/0x160
[  462.496161] /
[  462.500252]  ? lapic_next_event+0x5a/0x90
[  462.500269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.500290]  ? kvm_clock_read+0x18/0x30
[  462.500308]  ? kvm_sched_clock_read+0x9/0x20
[  462.500324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.500338]  ? check_preemption_disabled+0x48/0x280
[  462.500365]  irq_exit+0x17f/0x1c0
[  462.505550]  mems_allowed=0
[  462.508751]  smp_apic_timer_interrupt+0x1cb/0x760
[  462.554676]  ? smp_reschedule_interrupt+0x109/0x650
[  462.559706]  ? smp_call_function_single_interrupt+0x650/0x650
[  462.565603]  ? interrupt_entry+0xb5/0xc0
[  462.569676]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.574697]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.579719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.584568]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.589776]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.594814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.599676]  apic_timer_interrupt+0xf/0x20
[  462.603908]  </IRQ>
[  462.606150] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  462.611084] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  462.629988] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  462.637705] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  462.644977] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  462.652252] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  462.659522] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  462.666791] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  462.674113]  skb_clone+0x1bb/0x500
[  462.677657]  ? finish_task_switch+0x1b4/0x910
[  462.682155]  ? skb_split+0x11e0/0x11e0
[  462.686050]  ? preempt_notifier_register+0x200/0x200
[  462.691157]  ? __switch_to_asm+0x34/0x70
[  462.695222]  ? __switch_to_asm+0x34/0x70
[  462.699289]  ? __switch_to_asm+0x40/0x70
[  462.703356]  ? __switch_to_asm+0x34/0x70
[  462.707422]  ? __switch_to_asm+0x40/0x70
[  462.711489]  ? __switch_to_asm+0x34/0x70
[  462.715552]  ? __switch_to_asm+0x40/0x70
[  462.719614]  ? __switch_to_asm+0x34/0x70
[  462.723681]  ? __switch_to_asm+0x34/0x70
[  462.727744]  ? __switch_to_asm+0x40/0x70
[  462.731804]  ? __switch_to_asm+0x34/0x70
[  462.735879]  bpf_clone_redirect+0xb9/0x490
[  462.740122]  ? __schedule+0x8d7/0x21d0
[  462.744022]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  462.749051]  ? __sched_text_start+0x8/0x8
[  462.753219]  ? find_held_lock+0x36/0x1c0
[  462.757322]  ? lock_acquire+0x1ed/0x520
[  462.761317]  ? bpf_test_run+0x3cb/0x780
[  462.765299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.770839]  ? check_preemption_disabled+0x48/0x280
[  462.775870]  ? kasan_check_read+0x11/0x20
[  462.780027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.785311]  ? rcu_softirq_qs+0x20/0x20
[  462.789292]  ? preempt_schedule+0x4d/0x60
[  462.793448]  ? ___preempt_schedule+0x16/0x18
[  462.797885]  ? bpf_test_run+0x25d/0x780
[  462.801923]  ? netlink_diag_dump+0x2a0/0x2a0
[  462.806376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.811920]  ? bpf_test_init.isra.10+0x70/0x100
[  462.816596]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  462.821390]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  462.826260]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  462.831800]  ? fput+0x130/0x1a0
[  462.835085]  ? __bpf_prog_get+0x9b/0x290
[  462.839156]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  462.844002]  ? bpf_prog_test_run+0x130/0x1a0
[  462.848423]  ? __x64_sys_bpf+0x3d8/0x520
[  462.852496]  ? bpf_prog_get+0x20/0x20
[  462.856322]  ? do_syscall_64+0x1b9/0x820
[  462.860392]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  462.865763]  ? syscall_return_slowpath+0x5e0/0x5e0
[  462.870702]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.875726]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  462.880765]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  462.887441]  ? __switch_to_asm+0x40/0x70
[  462.891514]  ? __switch_to_asm+0x34/0x70
[  462.895585]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.900443]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  462.905842] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  462.905910] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  462.912436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  462.912447] Call Trace:
[  462.919066] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  462.928299]  <IRQ>
[  462.930880] syz-executor1 cpuset=
[  462.941377]  dump_stack+0x244/0x39d
[  462.943770] syz1
[  462.947245]  ? dump_stack_print_info.cold.1+0x20/0x20
[  462.950841]  mems_allowed=0
[  462.960941]  warn_alloc.cold.117+0xb7/0x1bd
[  462.965280]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  462.970134]  ? lock_downgrade+0x900/0x900
[  462.974300]  ? trace_hardirqs_off+0xb8/0x310
[  462.978728]  ? trace_hardirqs_off+0xb8/0x310
[  462.983158]  __alloc_pages_slowpath+0x2660/0x2d70
[  462.988057]  ? warn_alloc+0x120/0x120
[  462.991872]  ? __bfs+0x321/0x780
[  462.995250]  ? warn_alloc+0x120/0x120
[  462.999064]  ? print_usage_bug+0xc0/0xc0
[  463.003129]  ? lockdep_on+0x50/0x50
[  463.006772]  ? print_bfs_bug+0x80/0x80
[  463.010680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.016238]  ? should_fail+0x22d/0xd01
[  463.020135]  ? mark_held_locks+0x130/0x130
[  463.024386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.029500]  ? __lock_acquire+0x62f/0x4c20
[  463.033757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.038873]  ? __lock_acquire+0x2aff/0x4c20
[  463.043209]  ? should_fail+0x22d/0xd01
[  463.047105]  ? print_usage_bug+0xc0/0xc0
[  463.051182]  ? mark_held_locks+0x130/0x130
[  463.055435]  ? mark_held_locks+0x130/0x130
[  463.059682]  ? __lock_acquire+0x62f/0x4c20
[  463.063921]  ? zap_class+0x640/0x640
[  463.067648]  ? zap_class+0x640/0x640
[  463.071369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.076911]  ? check_preemption_disabled+0x48/0x280
[  463.081942]  ? __lock_is_held+0xb5/0x140
[  463.086019]  __alloc_pages_nodemask+0xa80/0xde0
[  463.090697]  ? zap_class+0x640/0x640
[  463.094426]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  463.099463]  ? find_held_lock+0x36/0x1c0
[  463.103539]  ? ____cache_alloc_node+0x1c7/0x1e0
[  463.108225]  ? lock_downgrade+0x900/0x900
[  463.112389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.117953]  cache_grow_begin+0xa5/0x8c0
[  463.122027]  ? do_raw_spin_unlock+0xa7/0x330
[  463.126450]  fallback_alloc+0x204/0x2e0
[  463.130440]  ____cache_alloc_node+0x1c7/0x1e0
[  463.134952]  kmem_cache_alloc_node+0xe3/0x730
[  463.139467]  ? do_raw_spin_unlock+0xa7/0x330
[  463.143893]  ? do_raw_spin_trylock+0x270/0x270
[  463.148495]  __alloc_skb+0x119/0x770
[  463.152230]  ? netdev_alloc_frag+0x1f0/0x1f0
[  463.156648]  ? atomic_notifier_call_chain+0xc6/0x190
[  463.161776]  ? lock_downgrade+0x900/0x900
[  463.166102]  ? check_preemption_disabled+0x48/0x280
[  463.171137]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.176078]  ? kasan_check_read+0x11/0x20
[  463.180237]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.185534]  ? rcu_softirq_qs+0x20/0x20
[  463.189515]  ? kasan_check_read+0x11/0x20
[  463.193681]  ? do_raw_write_trylock+0x270/0x270
[  463.198368]  __neigh_notify+0x8c/0x160
[  463.202274]  ? neigh_connected_output+0x780/0x780
[  463.207125]  neigh_timer_handler+0x6cb/0xdf0
[  463.211539]  ? check_preemption_disabled+0x48/0x280
[  463.216569]  ? __neigh_for_each_release+0x520/0x520
[  463.221597]  ? __lock_is_held+0xb5/0x140
[  463.225685]  call_timer_fn+0x272/0x920
[  463.229584]  ? __neigh_for_each_release+0x520/0x520
[  463.234611]  ? process_timeout+0x40/0x40
[  463.238697]  ? mark_held_locks+0xc7/0x130
[  463.242859]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.247364]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.251865]  ? __neigh_for_each_release+0x520/0x520
[  463.256892]  ? lockdep_hardirqs_on+0x296/0x5b0
[  463.261483]  ? trace_hardirqs_on+0xbd/0x310
[  463.265809]  ? kasan_check_read+0x11/0x20
[  463.269987]  ? __run_timers+0x7da/0xc70
[  463.273967]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.279091]  ? br_multicast_del_pg+0x790/0x790
[  463.283692]  ? __neigh_for_each_release+0x520/0x520
[  463.288719]  __run_timers+0x7e5/0xc70
[  463.292543]  ? timer_fixup_init+0x70/0x70
[  463.296696]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  463.301720]  ? zap_class+0x640/0x640
[  463.305448]  ? print_usage_bug+0xc0/0xc0
[  463.309523]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  463.314727]  ? find_held_lock+0x36/0x1c0
[  463.318802]  ? zap_class+0x640/0x640
[  463.322529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.328073]  ? check_preemption_disabled+0x48/0x280
[  463.333109]  ? __lock_is_held+0xb5/0x140
[  463.337180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.342734]  ? check_preemption_disabled+0x48/0x280
[  463.347773]  run_timer_softirq+0x52/0xb0
[  463.351842]  ? rcu_read_lock_sched_held+0x14f/0x180
[  463.356869]  __do_softirq+0x308/0xb7e
[  463.360699]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  463.365206]  ? lock_downgrade+0x900/0x900
[  463.369371]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  463.374498]  ? pvclock_read_flags+0x160/0x160
[  463.379010]  ? lapic_next_event+0x5a/0x90
[  463.383170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.388729]  ? kvm_clock_read+0x18/0x30
[  463.392723]  ? kvm_sched_clock_read+0x9/0x20
[  463.397139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.402683]  ? check_preemption_disabled+0x48/0x280
[  463.407720]  irq_exit+0x17f/0x1c0
[  463.411194]  smp_apic_timer_interrupt+0x1cb/0x760
[  463.416046]  ? smp_call_function_single_interrupt+0x650/0x650
[  463.421941]  ? interrupt_entry+0xb5/0xc0
[  463.426010]  ? trace_hardirqs_off_caller+0xbb/0x310
[  463.431030]  ? trace_hardirqs_off_caller+0xbb/0x310
[  463.436059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.440920]  ? trace_hardirqs_on_caller+0x310/0x310
[  463.445938]  ? trace_hardirqs_on_caller+0x310/0x310
[  463.450963]  ? task_prio+0x50/0x50
[  463.454534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.460082]  ? check_preemption_disabled+0x48/0x280
[  463.465116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.469993]  apic_timer_interrupt+0xf/0x20
[  463.474236]  </IRQ>
[  463.476487] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  463.481905] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  463.500824] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  463.508554] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  463.515832] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  463.523108] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  463.530387] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  463.537659] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  463.544974]  shrink_active_list+0x67b/0x1c20
[  463.549399]  ? free_unref_page_list+0xd1b/0x11e0
[  463.554175]  ? shrink_inactive_list+0xa4a/0x1c60
[  463.558944]  ? zap_class+0x60f/0x640
[  463.562672]  ? shrink_inactive_list+0x1c60/0x1c60
[  463.567530]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.572036]  ? find_held_lock+0x36/0x1c0
[  463.576108]  ? __page_frag_cache_drain+0x200/0x200
[  463.581047]  ? print_usage_bug+0xc0/0xc0
[  463.585130]  ? find_held_lock+0x36/0x1c0
[  463.589205]  ? zap_class+0x640/0x640
[  463.592935]  ? mark_held_locks+0xc7/0x130
[  463.597089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.602641]  ? check_preemption_disabled+0x48/0x280
[  463.607679]  ? zap_class+0x640/0x640
[  463.611402]  ? __lock_is_held+0xb5/0x140
[  463.615500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.621064]  ? check_preemption_disabled+0x48/0x280
[  463.626110]  ? __lock_is_held+0xb5/0x140
[  463.630200]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  463.635240]  ? inactive_list_is_low+0x305/0x880
[  463.639964]  ? lruvec_lru_size+0x450/0x450
[  463.644227]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.649178]  ? rcu_softirq_qs+0x20/0x20
[  463.653175]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  463.658136]  shrink_node_memcg+0x803/0x18f0
[  463.662753]  ? shrink_active_list+0x1c20/0x1c20
[  463.667449]  ? lock_downgrade+0x900/0x900
[  463.671614]  ? check_flush_dependency+0x410/0x410
[  463.676477]  ? kasan_check_read+0x11/0x20
[  463.680643]  ? ___preempt_schedule+0x16/0x18
[  463.685075]  ? _raw_spin_unlock+0x3f/0x50
[  463.689238]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  463.694442]  shrink_node+0x3bc/0x16b0
[  463.698271]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  463.703601]  ? shrink_node_memcg+0x18f0/0x18f0
[  463.708192]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  463.712791]  ? trace_hardirqs_on+0xbd/0x310
[  463.717125]  ? vmpressure+0x271/0x340
[  463.720963]  ? do_raw_spin_trylock+0x270/0x270
[  463.725570]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  463.731122]  ? __cpuset_node_allowed+0x19b/0x660
[  463.735895]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  463.741644]  ? vmpressure+0x1a2/0x340
[  463.745470]  do_try_to_free_pages+0x3e7/0x1290
[  463.750068]  ? zap_class+0x640/0x640
[  463.753811]  ? shrink_node+0x16b0/0x16b0
[  463.757922]  ? __lock_is_held+0xb5/0x140
[  463.762042]  try_to_free_pages+0x4d0/0xb90
[  463.766300]  ? do_try_to_free_pages+0x1290/0x1290
[  463.771162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.776723]  ? lock_acquire+0x1ed/0x520
[  463.780709]  ? set_page_refcounted+0x280/0x280
[  463.785314]  ? lock_release+0xa00/0xa00
[  463.789308]  ? perf_trace_sched_process_exec+0x860/0x860
[  463.794783]  __alloc_pages_slowpath+0x9c4/0x2d70
[  463.799588]  ? warn_alloc+0x120/0x120
[  463.803398]  ? rcu_softirq_qs+0x20/0x20
[  463.807415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.812968]  ? should_fail+0x22d/0xd01
[  463.816878]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.822003]  ? zap_class+0x640/0x640
[  463.825750]  ? __lock_is_held+0xb5/0x140
[  463.829831]  ? mark_held_locks+0x130/0x130
[  463.834078]  ? lock_release+0xa00/0xa00
[  463.838066]  ? perf_trace_sched_process_exec+0x860/0x860
[  463.843541]  ? __might_sleep+0x95/0x190
[  463.847529]  __alloc_pages_nodemask+0xa80/0xde0
[  463.852216]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  463.857246]  ? __page_cache_alloc+0x191/0x5c0
[  463.861749]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.866684]  ? kasan_check_read+0x11/0x20
[  463.870845]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.876129]  ? zap_class+0x640/0x640
[  463.879857]  ? zap_class+0x640/0x640
[  463.883575]  ? zap_class+0x640/0x640
[  463.887293]  ? __do_page_cache_readahead+0x7ce/0x980
[  463.892409]  ? find_held_lock+0x36/0x1c0
[  463.896481]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  463.902041]  alloc_pages_current+0x173/0x350
[  463.906462]  __page_cache_alloc+0x38c/0x5c0
[  463.910791]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.915725]  ? kasan_check_read+0x11/0x20
[  463.919882]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.925175]  ? generic_perform_write+0x6a0/0x6a0
[  463.929940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.935501]  ? check_preemption_disabled+0x48/0x280
[  463.940536]  filemap_fault+0x1594/0x25f0
[  463.944622]  ? __lock_page_or_retry+0xa00/0xa00
[  463.949305]  ? mark_held_locks+0x130/0x130
[  463.953551]  ? rcu_softirq_qs+0x20/0x20
[  463.957548]  ? filemap_map_pages+0xe04/0x1990
[  463.962060]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  463.966655]  ? __free_object+0x173/0x340
[  463.970721]  ? debug_object_free+0x36f/0x690
[  463.975144]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  463.980086]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.985209]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  463.989907]  ? queue_work_on+0x12c/0x1e0
[  463.993992]  ? debug_object_free+0x36f/0x690
[  463.998418]  ? kasan_check_read+0x11/0x20
[  464.002581]  ? debug_object_destroy+0x2b0/0x2b0
[  464.007269]  ? lock_pi_update_atomic+0x150/0x150
[  464.012042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.017594]  ? __hrtimer_init+0xdb/0x240
[  464.021682]  ? lock_acquire+0x1ed/0x520
[  464.025668]  ? ext4_filemap_fault+0x7a/0xad
[  464.030007]  ? lock_release+0xa00/0xa00
[  464.034003]  ? perf_trace_sched_process_exec+0x860/0x860
[  464.039459]  ? print_usage_bug+0xc0/0xc0
[  464.043530]  ? print_usage_bug+0xc0/0xc0
[  464.047632]  ? down_read+0x8d/0x120
[  464.051266]  ? ext4_filemap_fault+0x7a/0xad
[  464.055597]  ? __down_interruptible+0x700/0x700
[  464.060288]  ext4_filemap_fault+0x82/0xad
[  464.064453]  __do_fault+0x100/0x6b0
[  464.068094]  ? pmd_devmap_trans_unstable+0x220/0x220
[  464.073211]  ? mark_held_locks+0x130/0x130
[  464.077460]  ? mark_held_locks+0x130/0x130
[  464.081717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.087265]  __handle_mm_fault+0x307c/0x5920
[  464.091681]  ? perf_trace_lock+0x7a0/0x7a0
[  464.095930]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  464.100787]  ? __switch_to_asm+0x34/0x70
[  464.104853]  ? __switch_to_asm+0x34/0x70
[  464.108934]  ? zap_class+0x640/0x640
[  464.112658]  ? zap_class+0x640/0x640
[  464.116381]  ? __x64_sys_futex+0x53e/0x6a0
[  464.120628]  ? find_held_lock+0x36/0x1c0
[  464.124708]  ? handle_mm_fault+0x42a/0xc70
[  464.128951]  ? lock_downgrade+0x900/0x900
[  464.133108]  ? check_preemption_disabled+0x48/0x280
[  464.138135]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  464.143070]  ? kasan_check_read+0x11/0x20
[  464.147226]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.152512]  ? rcu_softirq_qs+0x20/0x20
[  464.156493]  ? trace_hardirqs_off_caller+0x310/0x310
[  464.161602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.167148]  ? check_preemption_disabled+0x48/0x280
[  464.172176]  handle_mm_fault+0x54f/0xc70
[  464.176250]  ? __handle_mm_fault+0x5920/0x5920
[  464.180844]  ? find_vma+0x34/0x190
[  464.184400]  __do_page_fault+0x5e8/0xe60
[  464.188468]  ? trace_hardirqs_off+0xb8/0x310
[  464.192894]  do_page_fault+0xf2/0x7e0
[  464.196705]  ? vmalloc_sync_all+0x30/0x30
[  464.200861]  ? error_entry+0x70/0xd0
[  464.204578]  ? trace_hardirqs_off_caller+0xbb/0x310
[  464.209596]  ? trace_hardirqs_on_caller+0xc0/0x310
[  464.214533]  ? syscall_return_slowpath+0x5e0/0x5e0
[  464.219464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.224313]  ? trace_hardirqs_on_caller+0x310/0x310
[  464.229333]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  464.234796]  ? prepare_exit_to_usermode+0x291/0x3b0
[  464.239820]  ? page_fault+0x8/0x30
[  464.243365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.248217]  ? page_fault+0x8/0x30
[  464.251763]  page_fault+0x1e/0x30
[  464.255218] RIP: 0033:0x45ddf3
[  464.258424] Code: Bad RIP value.
[  464.261792] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  464.267163] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  464.274436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  464.281709] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  464.288991] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  464.296264] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  464.303564] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  464.303570] warn_alloc_show_mem: 1 callbacks suppressed
[  464.303578] Mem-Info:
[  464.310513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  464.315889] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  464.315889]  active_file:15 inactive_file:12 isolated_file:0
[  464.315889]  unevictable:0 dirty:0 writeback:0 unstable:0
[  464.315889]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  464.315889]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  464.315889]  free:13694 free_pcp:0 free_cma:0
[  464.318270] Call Trace:
[  464.327668] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  464.360526]  <IRQ>
[  464.363109] Node 0 
[  464.390793]  dump_stack+0x244/0x39d
[  464.392952] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  464.395170]  ? dump_stack_print_info.cold.1+0x20/0x20
[  464.398775] lowmem_reserve[]:
[  464.424320]  warn_alloc.cold.117+0xb7/0x1bd
[  464.429492]  0
[  464.432601]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  464.436905]  2819
[  464.438709]  ? lock_downgrade+0x900/0x900
[  464.443529]  6323
[  464.445603]  ? trace_hardirqs_off+0xb8/0x310
[  464.449726]  6323
[  464.451797]  ? trace_hardirqs_off+0xb8/0x310
[  464.458261]  __alloc_pages_slowpath+0x2660/0x2d70
[  464.462643] Node 0 DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  464.467519]  ? warn_alloc+0x120/0x120
[  464.494830] lowmem_reserve[]: 0 0 3503
[  464.498663]  ? warn_alloc+0x120/0x120
[  464.498680]  ? print_usage_bug+0xc0/0xc0
[  464.502549]  3503
[  464.506356]  ? warn_alloc+0x120/0x120
[  464.510401] Node 0 
[  464.512466]  ? print_usage_bug+0xc0/0xc0
[  464.516275] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  464.518493]  ? __lock_acquire+0x62f/0x4c20
[  464.522531] lowmem_reserve[]:
[  464.550658]  ? __lock_acquire+0x62f/0x4c20
[  464.554876]  0
[  464.557984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.562209]  0
[  464.564014]  ? should_fail+0x22d/0xd01
[  464.569533]  0
[  464.571343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.575216]  0
[  464.577021]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  464.584080]  ? __lock_acquire+0x62f/0x4c20
[  464.589622] Node 0 DMA: 
[  464.593863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  464.593882] 1*4kB 
[  464.596539]  ? __lock_acquire+0x62f/0x4c20
[  464.601626] (U) 
[  464.603777]  ? should_fail+0x22d/0xd01
[  464.607988] 0*8kB 
[  464.609970]  ? rcu_irq_exit+0x1a2/0x390
[  464.613844] 0*16kB 
[  464.616005]  ? mark_held_locks+0x130/0x130
[  464.619958] 1*32kB 
[  464.622208]  ? mark_held_locks+0x130/0x130
[  464.626427] (U) 
[  464.628663]  ? mark_held_locks+0xc7/0x130
[  464.632877] 2*64kB 
[  464.634854]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  464.634869]  ? zap_class+0x640/0x640
[  464.639004] (U) 
[  464.641240]  ? print_usage_bug+0xc0/0xc0
[  464.646243] 1*128kB 
[  464.649959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.651915] (U) 1*256kB 
[  464.655987]  ? check_preemption_disabled+0x48/0x280
[  464.658291] (U) 0*512kB 
[  464.663848]  ? __lock_is_held+0xb5/0x140
[  464.666498] 1*1024kB 
[  464.671521]  __alloc_pages_nodemask+0xa80/0xde0
[  464.674169] (U) 
[  464.678232]  ? zap_class+0x640/0x640
[  464.680619] 1*2048kB (M) 
[  464.685298]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  464.687259] 3*4096kB 
[  464.690983]  ? find_held_lock+0x36/0x1c0
[  464.693727] (M) 
[  464.698757]  ? ____cache_alloc_node+0x1c7/0x1e0
[  464.701146] = 15908kB
[  464.705214]  ? lock_downgrade+0x900/0x900
[  464.707725] Node 0 
[  464.712402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.714787] DMA32: 2*4kB 
[  464.718958]  cache_grow_begin+0xa5/0x8c0
[  464.721172] (M) 
[  464.726719]  ? do_raw_spin_unlock+0xa7/0x330
[  464.729462] 3*8kB 
[  464.733537]  fallback_alloc+0x204/0x2e0
[  464.735486] (UM) 3*16kB 
[  464.739906]  ____cache_alloc_node+0x1c7/0x1e0
[  464.742034] (UM) 
[  464.746007]  kmem_cache_alloc_node+0xe3/0x730
[  464.748662] 4*32kB 
[  464.753160]  ? ipv6_get_ifaddr+0x42e/0x620
[  464.755211] (UM) 
[  464.759712]  __alloc_skb+0x119/0x770
[  464.761930] 5*64kB 
[  464.766172]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.768221] (UM) 
[  464.771942]  ? netdev_alloc_frag+0x1f0/0x1f0
[  464.774153] 4*128kB (M) 
[  464.779447]  ? lock_downgrade+0x900/0x900
[  464.781486] 5*256kB (UM) 
[  464.785910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.788561] 5*512kB 
[  464.792711]  ? refcount_sub_and_test_checked+0x203/0x310
[  464.795447] (UM) 
[  464.801007]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  464.803308] 4*1024kB 
[  464.808781]  ? addrconf_rs_timer+0x690/0x690
[  464.810827] (UM) 
[  464.816286]  ndisc_alloc_skb+0x144/0x340
[  464.818671] 2*2048kB 
[  464.823080]  ndisc_send_rs+0x331/0x6e0
[  464.825123] (M) 
[  464.829188]  addrconf_rs_timer+0x314/0x690
[  464.831586] 3*4096kB 
[  464.835474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  464.837433] (M) 
[  464.841675]  call_timer_fn+0x272/0x920
[  464.844074] = 25360kB
[  464.848305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  464.850264] Node 0 
[  464.854151]  ? process_timeout+0x40/0x40
[  464.856541] Normal: 
[  464.860779]  ? __run_timers+0x7da/0xc70
[  464.862996] 783*4kB 
[  464.867059]  ? _raw_spin_unlock_irq+0x27/0x80
[  464.869361] (UMEH) 
[  464.873339]  ? _raw_spin_unlock_irq+0x27/0x80
[  464.875644] 379*8kB 
[  464.880150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  464.882368] (MEH) 
[  464.886865]  ? lockdep_hardirqs_on+0x296/0x5b0
[  464.889173] 205*16kB 
[  464.893405]  ? trace_hardirqs_on+0xbd/0x310
[  464.895540] (UMEH) 
[  464.900121]  ? kasan_check_read+0x11/0x20
[  464.902514] 93*32kB 
[  464.906842]  ? __run_timers+0x7da/0xc70
[  464.909061] (UMEH) 
[  464.913213]  ? trace_hardirqs_off_caller+0x310/0x310
[  464.915518] 24*64kB 
[  464.919504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  464.921704] (UMH) 
[  464.926810]  __run_timers+0x7e5/0xc70
[  464.929116] 1*128kB 
[  464.933357]  ? timer_fixup_init+0x70/0x70
[  464.935480] (H) 
[  464.939285]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  464.941587] 0*256kB 0*512kB 
[  464.945744]  ? zap_class+0x640/0x640
[  464.947708] 0*1024kB 
[  464.952722]  ? enqueue_hrtimer+0x1a5/0x560
[  464.955723] 0*2048kB 
[  464.959436]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  464.961826] 0*4096kB 
[  464.966065]  ? find_held_lock+0x36/0x1c0
[  464.968456] = 14084kB
[  464.973648]  ? zap_class+0x640/0x640
[  464.976051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  464.980108]  ? pvclock_read_flags+0x160/0x160
[  464.982530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  464.986236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.995059] 1070 total pagecache pages
[  464.999565]  ? check_preemption_disabled+0x48/0x280
[  465.008137] 0 pages in swap cache
[  465.013676]  ? __lock_is_held+0xb5/0x140
[  465.017540] Swap cache stats: add 0, delete 0, find 0/0
[  465.022549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.025986] Free swap  = 0kB
[  465.030042]  ? check_preemption_disabled+0x48/0x280
[  465.035388] Total swap = 0kB
[  465.040934]  run_timer_softirq+0x52/0xb0
[  465.043929] 1965979 pages RAM
[  465.048944]  ? rcu_read_lock_sched_held+0x14f/0x180
[  465.051942] 0 pages HighMem/MovableOnly
[  465.056007]  __do_softirq+0x308/0xb7e
[  465.059093] 342293 pages reserved
[  465.064114]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  465.068064] 0 pages cma reserved
[  465.068360] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  465.071879]  ? lock_downgrade+0x900/0x900
[  465.075313] syz-fuzzer cpuset=
[  465.079819]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  465.083157] /
[  465.093397]  ? pvclock_read_flags+0x160/0x160
[  465.097523]  mems_allowed=0
[  465.100713]  ? lapic_next_event+0x5a/0x90
[  465.119061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.124621]  ? kvm_clock_read+0x18/0x30
[  465.128602]  ? kvm_sched_clock_read+0x9/0x20
[  465.133019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.138562]  ? check_preemption_disabled+0x48/0x280
[  465.143627]  irq_exit+0x17f/0x1c0
[  465.147090]  smp_apic_timer_interrupt+0x1cb/0x760
[  465.151943]  ? smp_reschedule_interrupt+0x109/0x650
[  465.156974]  ? smp_call_function_single_interrupt+0x650/0x650
[  465.162867]  ? interrupt_entry+0xb5/0xc0
[  465.166934]  ? trace_hardirqs_off_caller+0xbb/0x310
[  465.171957]  ? trace_hardirqs_off_caller+0xbb/0x310
[  465.176979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.181833]  ? trace_hardirqs_on_caller+0x310/0x310
[  465.186858]  ? trace_hardirqs_on_caller+0x310/0x310
[  465.191894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.196755]  apic_timer_interrupt+0xf/0x20
[  465.200986]  </IRQ>
[  465.203234] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  465.208169] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  465.227079] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  465.234809] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  465.242087] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  465.249358] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  465.256626] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  465.263898] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  465.271216]  skb_clone+0x1bb/0x500
[  465.274760]  ? finish_task_switch+0x1b4/0x910
[  465.279259]  ? skb_split+0x11e0/0x11e0
[  465.283152]  ? preempt_notifier_register+0x200/0x200
[  465.288265]  ? __switch_to_asm+0x34/0x70
[  465.292334]  ? __switch_to_asm+0x34/0x70
[  465.296403]  ? __switch_to_asm+0x40/0x70
[  465.300464]  ? __switch_to_asm+0x34/0x70
[  465.304532]  ? __switch_to_asm+0x40/0x70
[  465.308592]  ? __switch_to_asm+0x34/0x70
[  465.312658]  ? __switch_to_asm+0x40/0x70
[  465.316719]  ? __switch_to_asm+0x34/0x70
[  465.320788]  ? __switch_to_asm+0x34/0x70
[  465.324856]  ? __switch_to_asm+0x40/0x70
[  465.328919]  ? __switch_to_asm+0x34/0x70
[  465.332994]  bpf_clone_redirect+0xb9/0x490
[  465.337237]  ? __schedule+0x8d7/0x21d0
[  465.341134]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  465.346161]  ? __sched_text_start+0x8/0x8
[  465.350328]  ? find_held_lock+0x36/0x1c0
[  465.354405]  ? lock_acquire+0x1ed/0x520
[  465.358388]  ? bpf_test_run+0x3cb/0x780
[  465.362371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.367915]  ? check_preemption_disabled+0x48/0x280
[  465.372940]  ? kasan_check_read+0x11/0x20
[  465.377101]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  465.382383]  ? rcu_softirq_qs+0x20/0x20
[  465.386366]  ? preempt_schedule+0x4d/0x60
[  465.390522]  ? ___preempt_schedule+0x16/0x18
[  465.394943]  ? bpf_test_run+0x25d/0x780
[  465.398930]  ? netlink_diag_dump+0x2a0/0x2a0
[  465.403343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.408882]  ? bpf_test_init.isra.10+0x70/0x100
[  465.413559]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  465.418332]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  465.423178]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  465.428717]  ? fput+0x130/0x1a0
[  465.432004]  ? __bpf_prog_get+0x9b/0x290
[  465.436076]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  465.440920]  ? bpf_prog_test_run+0x130/0x1a0
[  465.445343]  ? __x64_sys_bpf+0x3d8/0x520
[  465.449413]  ? bpf_prog_get+0x20/0x20
[  465.453246]  ? do_syscall_64+0x1b9/0x820
[  465.457311]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  465.462678]  ? syscall_return_slowpath+0x5e0/0x5e0
[  465.467613]  ? trace_hardirqs_on_caller+0x310/0x310
[  465.472632]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  465.477654]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  465.484808]  ? __switch_to_asm+0x40/0x70
[  465.488875]  ? __switch_to_asm+0x34/0x70
[  465.492945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.497800]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  465.503190] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  465.503276] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  465.509779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  465.509785] Call Trace:
[  465.509792]  <IRQ>
[  465.509810]  dump_stack+0x244/0x39d
[  465.509830]  ? dump_stack_print_info.cold.1+0x20/0x20
[  465.516397] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  465.525681]  warn_alloc.cold.117+0xb7/0x1bd
[  465.528239] syz-executor1 cpuset=
[  465.530388]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  465.533995] syz1
[  465.539189]  ? lock_downgrade+0x900/0x900
[  465.549661]  mems_allowed=0
[  465.571303]  ? trace_hardirqs_off+0xb8/0x310
[  465.575725]  ? trace_hardirqs_off+0xb8/0x310
[  465.580149]  __alloc_pages_slowpath+0x2660/0x2d70
[  465.585034]  ? warn_alloc+0x120/0x120
[  465.588846]  ? warn_alloc+0x120/0x120
[  465.592657]  ? print_usage_bug+0xc0/0xc0
[  465.596723]  ? warn_alloc+0x120/0x120
[  465.600532]  ? print_usage_bug+0xc0/0xc0
[  465.604608]  ? should_fail+0x22d/0xd01
[  465.608508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.614057]  ? should_fail+0x22d/0xd01
[  465.618000]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.623118]  ? __lock_acquire+0x62f/0x4c20
[  465.627370]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.632477]  ? __lock_acquire+0x62f/0x4c20
[  465.636720]  ? should_fail+0x22d/0xd01
[  465.640622]  ? mark_held_locks+0x130/0x130
[  465.644867]  ? mark_held_locks+0x130/0x130
[  465.649108]  ? zap_class+0x640/0x640
[  465.652829]  ? check_preemption_disabled+0x48/0x280
[  465.657856]  ? zap_class+0x640/0x640
[  465.661572]  ? print_usage_bug+0xc0/0xc0
[  465.665643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.671187]  ? check_preemption_disabled+0x48/0x280
[  465.676223]  ? __lock_is_held+0xb5/0x140
[  465.680300]  __alloc_pages_nodemask+0xa80/0xde0
[  465.684974]  ? zap_class+0x640/0x640
[  465.688709]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  465.693745]  ? find_held_lock+0x36/0x1c0
[  465.697822]  ? ____cache_alloc_node+0x1c7/0x1e0
[  465.702494]  ? lock_downgrade+0x900/0x900
[  465.706657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.712206]  cache_grow_begin+0xa5/0x8c0
[  465.716280]  ? do_raw_spin_unlock+0xa7/0x330
[  465.720704]  fallback_alloc+0x204/0x2e0
[  465.724691]  ____cache_alloc_node+0x1c7/0x1e0
[  465.729196]  kmem_cache_alloc_node+0xe3/0x730
[  465.733697]  ? ipv6_get_ifaddr+0x42e/0x620
[  465.737946]  __alloc_skb+0x119/0x770
[  465.741679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  465.746964]  ? netdev_alloc_frag+0x1f0/0x1f0
[  465.751384]  ? lock_downgrade+0x900/0x900
[  465.755543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.761086]  ? refcount_sub_and_test_checked+0x203/0x310
[  465.766546]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  465.772009]  ? addrconf_rs_timer+0x690/0x690
[  465.776441]  ndisc_alloc_skb+0x144/0x340
[  465.780516]  ndisc_send_rs+0x331/0x6e0
[  465.784419]  addrconf_rs_timer+0x314/0x690
[  465.788662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.792915]  call_timer_fn+0x272/0x920
[  465.796807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.801049]  ? process_timeout+0x40/0x40
[  465.805127]  ? mark_held_locks+0xc7/0x130
[  465.809285]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.813784]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.818288]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.822528]  ? lockdep_hardirqs_on+0x296/0x5b0
[  465.827115]  ? trace_hardirqs_on+0xbd/0x310
[  465.831443]  ? kasan_check_read+0x11/0x20
[  465.835602]  ? __run_timers+0x7da/0xc70
[  465.839586]  ? trace_hardirqs_off_caller+0x310/0x310
[  465.844710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.848950]  __run_timers+0x7e5/0xc70
[  465.852774]  ? timer_fixup_init+0x70/0x70
[  465.856928]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  465.861956]  ? zap_class+0x640/0x640
[  465.865687]  ? print_usage_bug+0xc0/0xc0
[  465.869760]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  465.874963]  ? find_held_lock+0x36/0x1c0
[  465.879042]  ? zap_class+0x640/0x640
[  465.882768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.888317]  ? check_preemption_disabled+0x48/0x280
[  465.893351]  ? __lock_is_held+0xb5/0x140
[  465.897420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.902965]  ? check_preemption_disabled+0x48/0x280
[  465.908013]  run_timer_softirq+0x52/0xb0
[  465.912106]  ? rcu_read_lock_sched_held+0x14f/0x180
[  465.917155]  __do_softirq+0x308/0xb7e
[  465.920975]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  465.925485]  ? lock_downgrade+0x900/0x900
[  465.929655]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  465.934777]  ? pvclock_read_flags+0x160/0x160
[  465.939285]  ? lapic_next_event+0x5a/0x90
[  465.943444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.949012]  ? kvm_clock_read+0x18/0x30
[  465.953032]  ? kvm_sched_clock_read+0x9/0x20
[  465.957451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.963087]  ? check_preemption_disabled+0x48/0x280
[  465.968220]  irq_exit+0x17f/0x1c0
[  465.971688]  smp_apic_timer_interrupt+0x1cb/0x760
[  465.976542]  ? smp_call_function_single_interrupt+0x650/0x650
[  465.982447]  ? interrupt_entry+0xb5/0xc0
[  465.986520]  ? trace_hardirqs_off_caller+0xbb/0x310
[  465.991548]  ? trace_hardirqs_off_caller+0xbb/0x310
[  465.996577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.001431]  ? trace_hardirqs_on_caller+0x310/0x310
[  466.006451]  ? trace_hardirqs_on_caller+0x310/0x310
[  466.011474]  ? task_prio+0x50/0x50
[  466.015024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.020569]  ? check_preemption_disabled+0x48/0x280
[  466.025598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.030458]  apic_timer_interrupt+0xf/0x20
[  466.034696]  </IRQ>
[  466.036938] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  466.042051] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  466.060965] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  466.068691] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  466.075967] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  466.083245] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  466.090521] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  466.097793] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  466.105118]  shrink_active_list+0x67b/0x1c20
[  466.109541]  ? free_unref_page_list+0xd1b/0x11e0
[  466.114318]  ? shrink_inactive_list+0xa4a/0x1c60
[  466.119086]  ? zap_class+0x60f/0x640
[  466.122808]  ? shrink_inactive_list+0x1c60/0x1c60
[  466.127676]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.132198]  ? find_held_lock+0x36/0x1c0
[  466.136274]  ? __page_frag_cache_drain+0x200/0x200
[  466.141214]  ? print_usage_bug+0xc0/0xc0
[  466.145303]  ? find_held_lock+0x36/0x1c0
[  466.149381]  ? zap_class+0x640/0x640
[  466.153110]  ? mark_held_locks+0xc7/0x130
[  466.157274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.162825]  ? check_preemption_disabled+0x48/0x280
[  466.167873]  ? zap_class+0x640/0x640
[  466.171596]  ? __lock_is_held+0xb5/0x140
[  466.175678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.181227]  ? check_preemption_disabled+0x48/0x280
[  466.186265]  ? __lock_is_held+0xb5/0x140
[  466.190351]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  466.195378]  ? inactive_list_is_low+0x305/0x880
[  466.200066]  ? lruvec_lru_size+0x450/0x450
[  466.204310]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.209249]  ? rcu_softirq_qs+0x20/0x20
[  466.213237]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  466.218189]  shrink_node_memcg+0x803/0x18f0
[  466.222539]  ? shrink_active_list+0x1c20/0x1c20
[  466.227223]  ? lock_downgrade+0x900/0x900
[  466.231381]  ? check_flush_dependency+0x410/0x410
[  466.236235]  ? kasan_check_read+0x11/0x20
[  466.240402]  ? ___preempt_schedule+0x16/0x18
[  466.244828]  ? _raw_spin_unlock+0x3f/0x50
[  466.248989]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  466.254191]  shrink_node+0x3bc/0x16b0
[  466.258011]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  466.263327]  ? shrink_node_memcg+0x18f0/0x18f0
[  466.267913]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  466.272506]  ? trace_hardirqs_on+0xbd/0x310
[  466.276836]  ? vmpressure+0x271/0x340
[  466.280650]  ? do_raw_spin_trylock+0x270/0x270
[  466.285244]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  466.290790]  ? __cpuset_node_allowed+0x19b/0x660
[  466.295560]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  466.301282]  ? vmpressure+0x1a2/0x340
[  466.305099]  do_try_to_free_pages+0x3e7/0x1290
[  466.309684]  ? zap_class+0x640/0x640
[  466.313425]  ? shrink_node+0x16b0/0x16b0
[  466.317494]  ? __lock_is_held+0xb5/0x140
[  466.321583]  try_to_free_pages+0x4d0/0xb90
[  466.325833]  ? do_try_to_free_pages+0x1290/0x1290
[  466.330680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.336251]  ? lock_acquire+0x1ed/0x520
[  466.340238]  ? set_page_refcounted+0x280/0x280
[  466.344834]  ? lock_release+0xa00/0xa00
[  466.348829]  ? perf_trace_sched_process_exec+0x860/0x860
[  466.354297]  __alloc_pages_slowpath+0x9c4/0x2d70
[  466.359090]  ? warn_alloc+0x120/0x120
[  466.362898]  ? rcu_softirq_qs+0x20/0x20
[  466.366910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.372458]  ? should_fail+0x22d/0xd01
[  466.376362]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.381473]  ? zap_class+0x640/0x640
[  466.385224]  ? __lock_is_held+0xb5/0x140
[  466.389306]  ? mark_held_locks+0x130/0x130
[  466.393550]  ? lock_release+0xa00/0xa00
[  466.397536]  ? perf_trace_sched_process_exec+0x860/0x860
[  466.403008]  ? __might_sleep+0x95/0x190
[  466.407010]  __alloc_pages_nodemask+0xa80/0xde0
[  466.411697]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  466.416721]  ? __page_cache_alloc+0x191/0x5c0
[  466.421234]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.426173]  ? kasan_check_read+0x11/0x20
[  466.430334]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.435621]  ? zap_class+0x640/0x640
[  466.439353]  ? zap_class+0x640/0x640
[  466.443075]  ? zap_class+0x640/0x640
[  466.446798]  ? __do_page_cache_readahead+0x7ce/0x980
[  466.451915]  ? find_held_lock+0x36/0x1c0
[  466.456004]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  466.461566]  alloc_pages_current+0x173/0x350
[  466.466004]  __page_cache_alloc+0x38c/0x5c0
[  466.470338]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.475278]  ? kasan_check_read+0x11/0x20
[  466.479439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.484725]  ? generic_perform_write+0x6a0/0x6a0
[  466.489487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.495032]  ? check_preemption_disabled+0x48/0x280
[  466.500063]  filemap_fault+0x1594/0x25f0
[  466.504145]  ? __lock_page_or_retry+0xa00/0xa00
[  466.508827]  ? mark_held_locks+0x130/0x130
[  466.513067]  ? rcu_softirq_qs+0x20/0x20
[  466.517061]  ? filemap_map_pages+0xe04/0x1990
[  466.521591]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  466.526199]  ? __free_object+0x173/0x340
[  466.530263]  ? debug_object_free+0x36f/0x690
[  466.534678]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  466.539615]  ? trace_hardirqs_off_caller+0x310/0x310
[  466.544728]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  466.549413]  ? queue_work_on+0x12c/0x1e0
[  466.553489]  ? debug_object_free+0x36f/0x690
[  466.557904]  ? kasan_check_read+0x11/0x20
[  466.562058]  ? debug_object_destroy+0x2b0/0x2b0
[  466.566735]  ? lock_pi_update_atomic+0x150/0x150
[  466.571497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.577041]  ? __hrtimer_init+0xdb/0x240
[  466.581120]  ? lock_acquire+0x1ed/0x520
[  466.585105]  ? ext4_filemap_fault+0x7a/0xad
[  466.589967]  ? lock_release+0xa00/0xa00
[  466.593950]  ? perf_trace_sched_process_exec+0x860/0x860
[  466.599409]  ? print_usage_bug+0xc0/0xc0
[  466.603472]  ? print_usage_bug+0xc0/0xc0
[  466.607553]  ? down_read+0x8d/0x120
[  466.611181]  ? ext4_filemap_fault+0x7a/0xad
[  466.615523]  ? __down_interruptible+0x700/0x700
[  466.620244]  ext4_filemap_fault+0x82/0xad
[  466.624410]  __do_fault+0x100/0x6b0
[  466.628052]  ? pmd_devmap_trans_unstable+0x220/0x220
[  466.633168]  ? mark_held_locks+0x130/0x130
[  466.637418]  ? mark_held_locks+0x130/0x130
[  466.641669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.647226]  __handle_mm_fault+0x307c/0x5920
[  466.651643]  ? perf_trace_lock+0x7a0/0x7a0
[  466.655892]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  466.660751]  ? __switch_to_asm+0x34/0x70
[  466.664834]  ? __switch_to_asm+0x34/0x70
[  466.668911]  ? zap_class+0x640/0x640
[  466.672627]  ? zap_class+0x640/0x640
[  466.676345]  ? __x64_sys_futex+0x53e/0x6a0
[  466.680586]  ? find_held_lock+0x36/0x1c0
[  466.684661]  ? handle_mm_fault+0x42a/0xc70
[  466.688898]  ? lock_downgrade+0x900/0x900
[  466.693050]  ? check_preemption_disabled+0x48/0x280
[  466.698079]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.703016]  ? kasan_check_read+0x11/0x20
[  466.707173]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.712466]  ? rcu_softirq_qs+0x20/0x20
[  466.716448]  ? trace_hardirqs_off_caller+0x310/0x310
[  466.721558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.727097]  ? check_preemption_disabled+0x48/0x280
[  466.732124]  handle_mm_fault+0x54f/0xc70
[  466.736202]  ? __handle_mm_fault+0x5920/0x5920
[  466.740793]  ? find_vma+0x34/0x190
[  466.744343]  __do_page_fault+0x5e8/0xe60
[  466.748410]  ? trace_hardirqs_off+0xb8/0x310
[  466.752834]  do_page_fault+0xf2/0x7e0
[  466.756642]  ? vmalloc_sync_all+0x30/0x30
[  466.760801]  ? error_entry+0x70/0xd0
[  466.764521]  ? trace_hardirqs_off_caller+0xbb/0x310
[  466.769540]  ? trace_hardirqs_on_caller+0xc0/0x310
[  466.774476]  ? syscall_return_slowpath+0x5e0/0x5e0
[  466.779408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.784260]  ? trace_hardirqs_on_caller+0x310/0x310
[  466.789281]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  466.794746]  ? prepare_exit_to_usermode+0x291/0x3b0
[  466.799775]  ? page_fault+0x8/0x30
[  466.803331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.808186]  ? page_fault+0x8/0x30
[  466.811748]  page_fault+0x1e/0x30
[  466.815223] RIP: 0033:0x45ddf3
[  466.818434] Code: Bad RIP value.
[  466.821799] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  466.827171] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  466.834449] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  466.841723] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  466.848998] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  466.856273] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  466.863572] warn_alloc_show_mem: 1 callbacks suppressed
[  466.863585] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  466.863587] Mem-Info:
[  466.863619] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  466.863619]  active_file:15 inactive_file:12 isolated_file:0
[  466.863619]  unevictable:0 dirty:0 writeback:0 unstable:0
[  466.863619]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  466.863619]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  466.863619]  free:13694 free_pcp:0 free_cma:0
[  466.868966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  466.875908] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  466.878316] Call Trace:
[  466.911201] Node 0 
[  466.920569]  <IRQ>
[  466.948275] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  466.950842]  dump_stack+0x244/0x39d
[  466.953059] lowmem_reserve[]:
[  466.955223]  ? dump_stack_print_info.cold.1+0x20/0x20
[  466.980711]  0
[  466.984359]  warn_alloc.cold.117+0xb7/0x1bd
[  466.987429]  2819
[  466.992620]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  466.994403]  6323
[  466.998724]  ? lock_downgrade+0x900/0x900
[  467.000765]  6323
[  467.005609]  ? trace_hardirqs_off+0xb8/0x310
[  467.007652] Node 0 
[  467.011802]  ? trace_hardirqs_off+0xb8/0x310
[  467.013870] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  467.018257]  __alloc_pages_slowpath+0x2660/0x2d70
[  467.020470] lowmem_reserve[]:
[  467.024907]  ? warn_alloc+0x120/0x120
[  467.051582]  0
[  467.056426]  ? warn_alloc+0x120/0x120
[  467.059511]  0
[  467.063309]  ? print_usage_bug+0xc0/0xc0
[  467.065091]  3503
[  467.068887]  ? warn_alloc+0x120/0x120
[  467.070670]  3503
[  467.074730]  ? print_usage_bug+0xc0/0xc0
[  467.080571]  ? __lock_acquire+0x62f/0x4c20
[  467.082618] Node 0 
[  467.086679]  ? __lock_acquire+0x62f/0x4c20
[  467.090924] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  467.093133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.097344] lowmem_reserve[]:
[  467.125451]  ? should_fail+0x22d/0xd01
[  467.130968]  0
[  467.134081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  467.137949]  0
[  467.139753]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  467.145007]  0
[  467.146813]  ? __lock_acquire+0x62f/0x4c20
[  467.151894]  0
[  467.153708]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  467.157919] Node 0 
[  467.159722]  ? __lock_acquire+0x62f/0x4c20
[  467.164834] DMA: 
[  467.167075]  ? should_fail+0x22d/0xd01
[  467.171289] 1*4kB 
[  467.173354]  ? rcu_irq_exit+0x1a2/0x390
[  467.177219] (U) 
[  467.179376]  ? mark_held_locks+0x130/0x130
[  467.183322] 0*8kB 
[  467.185298]  ? mark_held_locks+0x130/0x130
[  467.189510] 0*16kB 
[  467.191664]  ? mark_held_locks+0xc7/0x130
[  467.195876] 1*32kB 
[  467.198113]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  467.202238] (U) 
[  467.204477]  ? zap_class+0x640/0x640
[  467.209477] 2*64kB 
[  467.211474]  ? print_usage_bug+0xc0/0xc0
[  467.215167] (U) 
[  467.217408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.221447] 1*128kB 
[  467.223423]  ? check_preemption_disabled+0x48/0x280
[  467.228941] (U) 
[  467.231270]  ? __lock_is_held+0xb5/0x140
[  467.236265] 1*256kB 
[  467.238266]  __alloc_pages_nodemask+0xa80/0xde0
[  467.242313] (U) 
[  467.244637]  ? zap_class+0x640/0x640
[  467.249287] 0*512kB 
[  467.251282]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  467.254975] 1*1024kB (U) 
[  467.257318]  ? find_held_lock+0x36/0x1c0
[  467.262310] 1*2048kB 
[  467.265074]  ? ____cache_alloc_node+0x1c7/0x1e0
[  467.269108] (M) 
[  467.271518]  ? lock_downgrade+0x900/0x900
[  467.276170] 3*4096kB 
[  467.278157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.282282] (M) 
[  467.284695]  cache_grow_begin+0xa5/0x8c0
[  467.290215] = 15908kB
[  467.292195]  ? do_raw_spin_unlock+0xa7/0x330
[  467.296247] Node 0 
[  467.298660]  fallback_alloc+0x204/0x2e0
[  467.303044] DMA32: 
[  467.305284]  ____cache_alloc_node+0x1c7/0x1e0
[  467.309238] 2*4kB 
[  467.311474]  kmem_cache_alloc_node+0xe3/0x730
[  467.315960] (M) 
[  467.318110]  ? ipv6_get_ifaddr+0x42e/0x620
[  467.322583] 3*8kB 
[  467.325172]  __alloc_skb+0x119/0x770
[  467.329381] (UM) 
[  467.331538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  467.335226] 3*16kB (UM) 
[  467.337301]  ? netdev_alloc_frag+0x1f0/0x1f0
[  467.342553] 4*32kB (UM) 
[  467.345234]  ? lock_downgrade+0x900/0x900
[  467.349621] 5*64kB 
[  467.352292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.356416] (UM) 
[  467.358658]  ? refcount_sub_and_test_checked+0x203/0x310
[  467.364173] 4*128kB (M) 
[  467.366270]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  467.371701] 5*256kB 
[  467.374373]  ? addrconf_rs_timer+0x690/0x690
[  467.379801] (UM) 
[  467.382152]  ndisc_alloc_skb+0x144/0x340
[  467.386544] 5*512kB 
[  467.388607]  ndisc_send_rs+0x331/0x6e0
[  467.392646] (UM) 
[  467.394971]  addrconf_rs_timer+0x314/0x690
[  467.398858] 4*1024kB 
[  467.400926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.405135] (UM) 2*2048kB 
[  467.407567]  call_timer_fn+0x272/0x920
[  467.411772] (M) 
[  467.414617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.418511] 3*4096kB 
[  467.420495]  ? process_timeout+0x40/0x40
[  467.424715] (M) 
[  467.427135]  ? __run_timers+0x7da/0xc70
[  467.431172] = 25360kB
[  467.433153]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.437107] Node 0 
[  467.439519]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.443997] Normal: 
[  467.446235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.450714] 783*4kB 
[  467.453037]  ? lockdep_hardirqs_on+0x296/0x5b0
[  467.457248] (UMEH) 
[  467.459573]  ? trace_hardirqs_on+0xbd/0x310
[  467.464135] 379*8kB 
[  467.466371]  ? kasan_check_read+0x11/0x20
[  467.470670] (MEH) 
[  467.473002]  ? __run_timers+0x7da/0xc70
[  467.477134] 205*16kB 
[  467.479294]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.483393] (UMEH) 93*32kB 
[  467.485824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.490909] (UMEH) 
[  467.493840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.498059] 24*64kB 
[  467.500294]  __run_timers+0x7e5/0xc70
[  467.504506] (UMH) 
[  467.506852]  ? timer_fixup_init+0x70/0x70
[  467.510632] 1*128kB 
[  467.512784]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  467.516912] (H) 
[  467.519237]  ? zap_class+0x640/0x640
[  467.524236] 0*256kB 
[  467.526223]  ? enqueue_hrtimer+0x1a5/0x560
[  467.529917] 0*512kB 
[  467.532241]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  467.536455] 0*1024kB 
[  467.538786]  ? find_held_lock+0x36/0x1c0
[  467.543955] 0*2048kB 
[  467.546364]  ? zap_class+0x640/0x640
[  467.550405] 0*4096kB = 14084kB
[  467.552832]  ? pvclock_read_flags+0x160/0x160
[  467.556535] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  467.559718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.564208] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  467.573035]  ? check_preemption_disabled+0x48/0x280
[  467.578552] 1070 total pagecache pages
[  467.587133]  ? __lock_is_held+0xb5/0x140
[  467.592134] 0 pages in swap cache
[  467.596018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.600069] Swap cache stats: add 0, delete 0, find 0/0
[  467.603518]  ? check_preemption_disabled+0x48/0x280
[  467.609040] Free swap  = 0kB
[  467.614409]  run_timer_softirq+0x52/0xb0
[  467.619426] Total swap = 0kB
[  467.622449]  ? rcu_read_lock_sched_held+0x14f/0x180
[  467.626495] 1965979 pages RAM
[  467.629519]  __do_softirq+0x308/0xb7e
[  467.634511] 0 pages HighMem/MovableOnly
[  467.637613]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  467.641394] 342293 pages reserved
[  467.645366]  ? lock_downgrade+0x900/0x900
[  467.649845] 0 pages cma reserved
[  467.653299]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  467.657484] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  467.660792]  ? pvclock_read_flags+0x160/0x160
[  467.665962] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  467.672372]  ? lapic_next_event+0x5a/0x90
[  467.676849] syz-fuzzer cpuset=
[  467.687071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.691206] /
[  467.694404]  ? kvm_clock_read+0x18/0x30
[  467.699923]  mems_allowed=0
[  467.701637]  ? kvm_sched_clock_read+0x9/0x20
[  467.712929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.718473]  ? check_preemption_disabled+0x48/0x280
[  467.723518]  irq_exit+0x17f/0x1c0
[  467.726982]  smp_apic_timer_interrupt+0x1cb/0x760
[  467.731836]  ? smp_reschedule_interrupt+0x109/0x650
[  467.736862]  ? smp_call_function_single_interrupt+0x650/0x650
[  467.742753]  ? interrupt_entry+0xb5/0xc0
[  467.746820]  ? trace_hardirqs_off_caller+0xbb/0x310
[  467.751839]  ? trace_hardirqs_off_caller+0xbb/0x310
[  467.756858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.761707]  ? trace_hardirqs_on_caller+0x310/0x310
[  467.766722]  ? trace_hardirqs_on_caller+0x310/0x310
[  467.771752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.776608]  apic_timer_interrupt+0xf/0x20
[  467.780864]  </IRQ>
[  467.783104] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  467.788037] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  467.806943] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  467.814660] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  467.821930] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  467.829380] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  467.836652] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  467.843936] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  467.851254]  skb_clone+0x1bb/0x500
[  467.854802]  ? finish_task_switch+0x1b4/0x910
[  467.859301]  ? skb_split+0x11e0/0x11e0
[  467.863204]  ? preempt_notifier_register+0x200/0x200
[  467.868315]  ? __switch_to_asm+0x34/0x70
[  467.872382]  ? __switch_to_asm+0x34/0x70
[  467.876448]  ? __switch_to_asm+0x40/0x70
[  467.880519]  ? __switch_to_asm+0x34/0x70
[  467.884580]  ? __switch_to_asm+0x40/0x70
[  467.888641]  ? __switch_to_asm+0x34/0x70
[  467.892720]  ? __switch_to_asm+0x40/0x70
[  467.896784]  ? __switch_to_asm+0x34/0x70
[  467.900860]  ? __switch_to_asm+0x34/0x70
[  467.904921]  ? __switch_to_asm+0x40/0x70
[  467.908983]  ? __switch_to_asm+0x34/0x70
[  467.913057]  bpf_clone_redirect+0xb9/0x490
[  467.917301]  ? __schedule+0x8d7/0x21d0
[  467.921209]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  467.926238]  ? __sched_text_start+0x8/0x8
[  467.930404]  ? find_held_lock+0x36/0x1c0
[  467.934476]  ? lock_acquire+0x1ed/0x520
[  467.938460]  ? bpf_test_run+0x3cb/0x780
[  467.942441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.947982]  ? check_preemption_disabled+0x48/0x280
[  467.953010]  ? kasan_check_read+0x11/0x20
[  467.957167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  467.962452]  ? rcu_softirq_qs+0x20/0x20
[  467.966442]  ? preempt_schedule+0x4d/0x60
[  467.970597]  ? ___preempt_schedule+0x16/0x18
[  467.975015]  ? bpf_test_run+0x25d/0x780
[  467.979004]  ? netlink_diag_dump+0x2a0/0x2a0
[  467.983421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.988966]  ? bpf_test_init.isra.10+0x70/0x100
[  467.993647]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  467.998414]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  468.003263]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  468.008802]  ? fput+0x130/0x1a0
[  468.012091]  ? __bpf_prog_get+0x9b/0x290
[  468.016159]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  468.021019]  ? bpf_prog_test_run+0x130/0x1a0
[  468.025441]  ? __x64_sys_bpf+0x3d8/0x520
[  468.029515]  ? bpf_prog_get+0x20/0x20
[  468.033345]  ? do_syscall_64+0x1b9/0x820
[  468.037412]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  468.042787]  ? syscall_return_slowpath+0x5e0/0x5e0
[  468.047725]  ? trace_hardirqs_on_caller+0x310/0x310
[  468.052749]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  468.057773]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  468.064446]  ? __switch_to_asm+0x40/0x70
[  468.068518]  ? __switch_to_asm+0x34/0x70
[  468.072587]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.077444]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  468.082830] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  468.082899] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  468.089420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  468.089426] Call Trace:
[  468.089433]  <IRQ>
[  468.089451]  dump_stack+0x244/0x39d
[  468.089471]  ? dump_stack_print_info.cold.1+0x20/0x20
[  468.096039] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  468.105325]  warn_alloc.cold.117+0xb7/0x1bd
[  468.107891] syz-executor1 cpuset=
[  468.110048]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  468.113655] syz1
[  468.118847]  ? lock_downgrade+0x900/0x900
[  468.129313]  mems_allowed=0
[  468.133639]  ? trace_hardirqs_off+0xb8/0x310
[  468.155325]  ? trace_hardirqs_off+0xb8/0x310
[  468.159746]  __alloc_pages_slowpath+0x2660/0x2d70
[  468.164625]  ? warn_alloc+0x120/0x120
[  468.168434]  ? warn_alloc+0x120/0x120
[  468.172245]  ? print_usage_bug+0xc0/0xc0
[  468.176313]  ? warn_alloc+0x120/0x120
[  468.180118]  ? print_usage_bug+0xc0/0xc0
[  468.184187]  ? __lock_acquire+0x62f/0x4c20
[  468.188424]  ? __lock_acquire+0x62f/0x4c20
[  468.192670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.198211]  ? should_fail+0x22d/0xd01
[  468.202109]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  468.207394]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.212505]  ? __lock_acquire+0x62f/0x4c20
[  468.216748]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.221855]  ? __lock_acquire+0x62f/0x4c20
[  468.226094]  ? should_fail+0x22d/0xd01
[  468.229987]  ? rcu_irq_exit+0x1a2/0x390
[  468.233979]  ? mark_held_locks+0x130/0x130
[  468.238244]  ? mark_held_locks+0x130/0x130
[  468.242488]  ? mark_held_locks+0xc7/0x130
[  468.246648]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  468.251678]  ? zap_class+0x640/0x640
[  468.255396]  ? print_usage_bug+0xc0/0xc0
[  468.259464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.265029]  ? check_preemption_disabled+0x48/0x280
[  468.270065]  ? __lock_is_held+0xb5/0x140
[  468.274157]  __alloc_pages_nodemask+0xa80/0xde0
[  468.278832]  ? zap_class+0x640/0x640
[  468.282559]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  468.287593]  ? find_held_lock+0x36/0x1c0
[  468.291668]  ? ____cache_alloc_node+0x1c7/0x1e0
[  468.296348]  ? lock_downgrade+0x900/0x900
[  468.300509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.306080]  cache_grow_begin+0xa5/0x8c0
[  468.310148]  ? do_raw_spin_unlock+0xa7/0x330
[  468.314567]  fallback_alloc+0x204/0x2e0
[  468.318556]  ____cache_alloc_node+0x1c7/0x1e0
[  468.323060]  kmem_cache_alloc_node+0xe3/0x730
[  468.327564]  ? ipv6_get_ifaddr+0x42e/0x620
[  468.331814]  __alloc_skb+0x119/0x770
[  468.335533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  468.340820]  ? netdev_alloc_frag+0x1f0/0x1f0
[  468.345236]  ? lock_downgrade+0x900/0x900
[  468.349395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.354938]  ? refcount_sub_and_test_checked+0x203/0x310
[  468.360403]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  468.365857]  ? addrconf_rs_timer+0x690/0x690
[  468.370282]  ndisc_alloc_skb+0x144/0x340
[  468.374355]  ndisc_send_rs+0x331/0x6e0
[  468.378256]  addrconf_rs_timer+0x314/0x690
[  468.382498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  468.386754]  call_timer_fn+0x272/0x920
[  468.390643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  468.394882]  ? process_timeout+0x40/0x40
[  468.398964]  ? mark_held_locks+0xc7/0x130
[  468.403128]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.407635]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.412134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  468.416371]  ? lockdep_hardirqs_on+0x296/0x5b0
[  468.420975]  ? trace_hardirqs_on+0xbd/0x310
[  468.425306]  ? kasan_check_read+0x11/0x20
[  468.429463]  ? __run_timers+0x7da/0xc70
[  468.433447]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.438557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  468.442800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  468.447039]  __run_timers+0x7e5/0xc70
[  468.450856]  ? timer_fixup_init+0x70/0x70
[  468.455014]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  468.460039]  ? zap_class+0x640/0x640
[  468.463764]  ? print_usage_bug+0xc0/0xc0
[  468.467836]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  468.473036]  ? find_held_lock+0x36/0x1c0
[  468.477108]  ? zap_class+0x640/0x640
[  468.480834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.486374]  ? check_preemption_disabled+0x48/0x280
[  468.491405]  ? __lock_is_held+0xb5/0x140
[  468.495475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.501019]  ? check_preemption_disabled+0x48/0x280
[  468.506048]  run_timer_softirq+0x52/0xb0
[  468.510116]  ? rcu_read_lock_sched_held+0x14f/0x180
[  468.515138]  __do_softirq+0x308/0xb7e
[  468.518947]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  468.523447]  ? lock_downgrade+0x900/0x900
[  468.527606]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  468.532725]  ? pvclock_read_flags+0x160/0x160
[  468.537229]  ? lapic_next_event+0x5a/0x90
[  468.541387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.546936]  ? kvm_clock_read+0x18/0x30
[  468.550916]  ? kvm_sched_clock_read+0x9/0x20
[  468.555334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.560881]  ? check_preemption_disabled+0x48/0x280
[  468.565915]  irq_exit+0x17f/0x1c0
[  468.569378]  smp_apic_timer_interrupt+0x1cb/0x760
[  468.574229]  ? smp_call_function_single_interrupt+0x650/0x650
[  468.580122]  ? interrupt_entry+0xb5/0xc0
[  468.584215]  ? trace_hardirqs_off_caller+0xbb/0x310
[  468.589707]  ? trace_hardirqs_off_caller+0xbb/0x310
[  468.594731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.599582]  ? trace_hardirqs_on_caller+0x310/0x310
[  468.604617]  ? trace_hardirqs_on_caller+0x310/0x310
[  468.609636]  ? task_prio+0x50/0x50
[  468.613185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.618741]  ? check_preemption_disabled+0x48/0x280
[  468.623774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.628634]  apic_timer_interrupt+0xf/0x20
[  468.632865]  </IRQ>
[  468.635109] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  468.640225] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  468.659126] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  468.666843] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  468.674113] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  468.681381] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  468.688656] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  468.695924] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  468.703234]  shrink_active_list+0x67b/0x1c20
[  468.707647]  ? free_unref_page_list+0xd1b/0x11e0
[  468.712414]  ? shrink_inactive_list+0xa4a/0x1c60
[  468.717179]  ? zap_class+0x60f/0x640
[  468.720910]  ? shrink_inactive_list+0x1c60/0x1c60
[  468.725764]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.730273]  ? find_held_lock+0x36/0x1c0
[  468.734339]  ? __page_frag_cache_drain+0x200/0x200
[  468.739271]  ? print_usage_bug+0xc0/0xc0
[  468.743351]  ? find_held_lock+0x36/0x1c0
[  468.747429]  ? zap_class+0x640/0x640
[  468.751147]  ? mark_held_locks+0xc7/0x130
[  468.755305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.760853]  ? check_preemption_disabled+0x48/0x280
[  468.765877]  ? zap_class+0x640/0x640
[  468.769595]  ? __lock_is_held+0xb5/0x140
[  468.773666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.779211]  ? check_preemption_disabled+0x48/0x280
[  468.784246]  ? __lock_is_held+0xb5/0x140
[  468.788328]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  468.793354]  ? inactive_list_is_low+0x305/0x880
[  468.798037]  ? lruvec_lru_size+0x450/0x450
[  468.802280]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  468.807226]  ? rcu_softirq_qs+0x20/0x20
[  468.811225]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  468.816177]  shrink_node_memcg+0x803/0x18f0
[  468.820527]  ? shrink_active_list+0x1c20/0x1c20
[  468.825414]  ? lock_downgrade+0x900/0x900
[  468.829574]  ? check_flush_dependency+0x410/0x410
[  468.834430]  ? kasan_check_read+0x11/0x20
[  468.838595]  ? ___preempt_schedule+0x16/0x18
[  468.843023]  ? _raw_spin_unlock+0x3f/0x50
[  468.847179]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  468.852385]  shrink_node+0x3bc/0x16b0
[  468.856203]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  468.861511]  ? shrink_node_memcg+0x18f0/0x18f0
[  468.866098]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  468.870690]  ? trace_hardirqs_on+0xbd/0x310
[  468.875017]  ? vmpressure+0x271/0x340
[  468.878832]  ? do_raw_spin_trylock+0x270/0x270
[  468.883423]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  468.888968]  ? __cpuset_node_allowed+0x19b/0x660
[  468.893736]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  468.899447]  ? vmpressure+0x1a2/0x340
[  468.903264]  do_try_to_free_pages+0x3e7/0x1290
[  468.907851]  ? zap_class+0x640/0x640
[  468.911590]  ? shrink_node+0x16b0/0x16b0
[  468.915657]  ? __lock_is_held+0xb5/0x140
[  468.919736]  try_to_free_pages+0x4d0/0xb90
[  468.923988]  ? do_try_to_free_pages+0x1290/0x1290
[  468.928836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.934390]  ? lock_acquire+0x1ed/0x520
[  468.938372]  ? set_page_refcounted+0x280/0x280
[  468.942968]  ? lock_release+0xa00/0xa00
[  468.946962]  ? perf_trace_sched_process_exec+0x860/0x860
[  468.952436]  __alloc_pages_slowpath+0x9c4/0x2d70
[  468.957237]  ? warn_alloc+0x120/0x120
[  468.961044]  ? rcu_softirq_qs+0x20/0x20
[  468.965058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.970598]  ? should_fail+0x22d/0xd01
[  468.974494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.979605]  ? zap_class+0x640/0x640
[  468.983353]  ? __lock_is_held+0xb5/0x140
[  468.987428]  ? mark_held_locks+0x130/0x130
[  468.991671]  ? lock_release+0xa00/0xa00
[  468.995653]  ? perf_trace_sched_process_exec+0x860/0x860
[  469.001124]  ? __might_sleep+0x95/0x190
[  469.005108]  __alloc_pages_nodemask+0xa80/0xde0
[  469.009788]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  469.014813]  ? __page_cache_alloc+0x191/0x5c0
[  469.019315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  469.024248]  ? kasan_check_read+0x11/0x20
[  469.028402]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.033698]  ? zap_class+0x640/0x640
[  469.037426]  ? zap_class+0x640/0x640
[  469.041148]  ? zap_class+0x640/0x640
[  469.044867]  ? __do_page_cache_readahead+0x7ce/0x980
[  469.049991]  ? find_held_lock+0x36/0x1c0
[  469.054064]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  469.059612]  alloc_pages_current+0x173/0x350
[  469.064035]  __page_cache_alloc+0x38c/0x5c0
[  469.068359]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  469.073292]  ? kasan_check_read+0x11/0x20
[  469.077444]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.082728]  ? generic_perform_write+0x6a0/0x6a0
[  469.087487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.093033]  ? check_preemption_disabled+0x48/0x280
[  469.098059]  filemap_fault+0x1594/0x25f0
[  469.102139]  ? __lock_page_or_retry+0xa00/0xa00
[  469.106819]  ? mark_held_locks+0x130/0x130
[  469.111061]  ? rcu_softirq_qs+0x20/0x20
[  469.115059]  ? filemap_map_pages+0xe04/0x1990
[  469.119565]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  469.124153]  ? __free_object+0x173/0x340
[  469.128229]  ? debug_object_free+0x36f/0x690
[  469.132643]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  469.137577]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.142692]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  469.147377]  ? queue_work_on+0x12c/0x1e0
[  469.151449]  ? debug_object_free+0x36f/0x690
[  469.155863]  ? kasan_check_read+0x11/0x20
[  469.160024]  ? debug_object_destroy+0x2b0/0x2b0
[  469.164704]  ? lock_pi_update_atomic+0x150/0x150
[  469.169465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.175009]  ? __hrtimer_init+0xdb/0x240
[  469.179092]  ? lock_acquire+0x1ed/0x520
[  469.183075]  ? ext4_filemap_fault+0x7a/0xad
[  469.187410]  ? lock_release+0xa00/0xa00
[  469.191392]  ? perf_trace_sched_process_exec+0x860/0x860
[  469.196846]  ? print_usage_bug+0xc0/0xc0
[  469.200911]  ? print_usage_bug+0xc0/0xc0
[  469.205000]  ? down_read+0x8d/0x120
[  469.208635]  ? ext4_filemap_fault+0x7a/0xad
[  469.212960]  ? __down_interruptible+0x700/0x700
[  469.217653]  ext4_filemap_fault+0x82/0xad
[  469.221810]  __do_fault+0x100/0x6b0
[  469.225444]  ? pmd_devmap_trans_unstable+0x220/0x220
[  469.230551]  ? mark_held_locks+0x130/0x130
[  469.234789]  ? mark_held_locks+0x130/0x130
[  469.239038]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.244586]  __handle_mm_fault+0x307c/0x5920
[  469.249000]  ? perf_trace_lock+0x7a0/0x7a0
[  469.253253]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  469.258110]  ? __switch_to_asm+0x34/0x70
[  469.262175]  ? __switch_to_asm+0x34/0x70
[  469.266263]  ? zap_class+0x640/0x640
[  469.269980]  ? zap_class+0x640/0x640
[  469.273709]  ? __x64_sys_futex+0x53e/0x6a0
[  469.277950]  ? find_held_lock+0x36/0x1c0
[  469.282034]  ? handle_mm_fault+0x42a/0xc70
[  469.286272]  ? lock_downgrade+0x900/0x900
[  469.290420]  ? check_preemption_disabled+0x48/0x280
[  469.295461]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  469.300394]  ? kasan_check_read+0x11/0x20
[  469.304552]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.309834]  ? rcu_softirq_qs+0x20/0x20
[  469.313810]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.318918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.324459]  ? check_preemption_disabled+0x48/0x280
[  469.329487]  handle_mm_fault+0x54f/0xc70
[  469.333557]  ? __handle_mm_fault+0x5920/0x5920
[  469.338149]  ? find_vma+0x34/0x190
[  469.341703]  __do_page_fault+0x5e8/0xe60
[  469.345768]  ? trace_hardirqs_off+0xb8/0x310
[  469.350198]  do_page_fault+0xf2/0x7e0
[  469.354008]  ? vmalloc_sync_all+0x30/0x30
[  469.358163]  ? error_entry+0x70/0xd0
[  469.361900]  ? trace_hardirqs_off_caller+0xbb/0x310
[  469.366918]  ? trace_hardirqs_on_caller+0xc0/0x310
[  469.371854]  ? syscall_return_slowpath+0x5e0/0x5e0
[  469.376789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.381639]  ? trace_hardirqs_on_caller+0x310/0x310
[  469.386658]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  469.392121]  ? prepare_exit_to_usermode+0x291/0x3b0
[  469.397143]  ? page_fault+0x8/0x30
[  469.400694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.405544]  ? page_fault+0x8/0x30
[  469.409095]  page_fault+0x1e/0x30
[  469.412550] RIP: 0033:0x45ddf3
[  469.415756] Code: Bad RIP value.
[  469.419123] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  469.424493] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  469.431765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  469.439031] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  469.446305] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  469.454085] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  469.461381] warn_alloc_show_mem: 1 callbacks suppressed
[  469.461393] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  469.461395] Mem-Info:
[  469.461427] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  469.461427]  active_file:15 inactive_file:12 isolated_file:0
[  469.461427]  unevictable:0 dirty:0 writeback:0 unstable:0
[  469.461427]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  469.461427]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  469.461427]  free:13694 free_pcp:0 free_cma:0
[  469.466775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  469.473715] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  469.476119] Call Trace:
[  469.509167] Node 0 
[  469.518532]  <IRQ>
[  469.546218] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  469.548789]  dump_stack+0x244/0x39d
[  469.551005] lowmem_reserve[]:
[  469.553165]  ? dump_stack_print_info.cold.1+0x20/0x20
[  469.578647]  0
[  469.582292]  warn_alloc.cold.117+0xb7/0x1bd
[  469.585371]  2819
[  469.590561]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  469.592345]  6323
[  469.596665]  ? lock_downgrade+0x900/0x900
[  469.598713]  6323
[  469.603559]  ? trace_hardirqs_off+0xb8/0x310
[  469.609748]  ? trace_hardirqs_off+0xb8/0x310
[  469.611792] Node 0 
[  469.616211]  __alloc_pages_slowpath+0x2660/0x2d70
[  469.620613] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  469.622851]  ? warn_alloc+0x120/0x120
[  469.627648] lowmem_reserve[]:
[  469.654377]  ? warn_alloc+0x120/0x120
[  469.658156]  0
[  469.661263]  ? print_usage_bug+0xc0/0xc0
[  469.665044]  0
[  469.666845]  ? warn_alloc+0x120/0x120
[  469.670888]  3503
[  469.672689]  ? print_usage_bug+0xc0/0xc0
[  469.676468]  3503
[  469.678534]  ? __lock_acquire+0x62f/0x4c20
[  469.682573] Node 0 
[  469.684638]  ? __lock_acquire+0x62f/0x4c20
[  469.688885] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  469.691099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.695303] lowmem_reserve[]: 0
[  469.723435]  ? should_fail+0x22d/0xd01
[  469.728963]  0
[  469.732255]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.736130]  0 0
[  469.737949]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  469.743200] Node 0 DMA: 
[  469.745187]  ? __lock_acquire+0x62f/0x4c20
[  469.750270] 1*4kB 
[  469.752943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  469.757156] (U) 
[  469.759307]  ? __lock_acquire+0x62f/0x4c20
[  469.764394] 0*8kB 
[  469.766373]  ? should_fail+0x22d/0xd01
[  469.770590] 0*16kB 
[  469.772745]  ? rcu_irq_exit+0x1a2/0x390
[  469.776613] 1*32kB 
[  469.778857]  ? mark_held_locks+0x130/0x130
[  469.782803] (U) 
[  469.785045]  ? mark_held_locks+0x130/0x130
[  469.789263] 2*64kB 
[  469.791241]  ? mark_held_locks+0xc7/0x130
[  469.795453] (U) 1*128kB 
[  469.797705]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  469.801821] (U) 1*256kB 
[  469.804509]  ? zap_class+0x640/0x640
[  469.809509] (U) 
[  469.812186]  ? print_usage_bug+0xc0/0xc0
[  469.815879] 0*512kB 1*1024kB 
[  469.817869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.821907] (U) 
[  469.825016]  ? check_preemption_disabled+0x48/0x280
[  469.830541] 1*2048kB (M) 
[  469.832539]  ? __lock_is_held+0xb5/0x140
[  469.837536] 3*4096kB 
[  469.840295]  __alloc_pages_nodemask+0xa80/0xde0
[  469.844331] (M) 
[  469.846743]  ? zap_class+0x640/0x640
[  469.851395] = 15908kB
[  469.853375]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  469.857066] Node 0 
[  469.859482]  ? find_held_lock+0x36/0x1c0
[  469.864475] DMA32: 
[  469.866720]  ? ____cache_alloc_node+0x1c7/0x1e0
[  469.870761] 2*4kB 
[  469.873005]  ? lock_downgrade+0x900/0x900
[  469.877656] (M) 
[  469.879811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.883936] 3*8kB 
[  469.885915]  cache_grow_begin+0xa5/0x8c0
[  469.891432] (UM) 
[  469.893586]  ? do_raw_spin_unlock+0xa7/0x330
[  469.897628] 3*16kB 
[  469.899698]  fallback_alloc+0x204/0x2e0
[  469.904080] (UM) 
[  469.906318]  ____cache_alloc_node+0x1c7/0x1e0
[  469.910281] 4*32kB 
[  469.912345]  kmem_cache_alloc_node+0xe3/0x730
[  469.916816] (UM) 
[  469.919054]  ? ipv6_get_ifaddr+0x42e/0x620
[  469.923529] 5*64kB 
[  469.925599]  __alloc_skb+0x119/0x770
[  469.929812] (UM) 
[  469.932053]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.935744] 4*128kB 
[  469.937808]  ? netdev_alloc_frag+0x1f0/0x1f0
[  469.943061] (M) 5*256kB 
[  469.945395]  ? lock_downgrade+0x900/0x900
[  469.949785] (UM) 
[  469.952459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.956583] 5*512kB 
[  469.958653]  ? refcount_sub_and_test_checked+0x203/0x310
[  469.964172] (UM) 
[  469.966510]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  469.971939] 4*1024kB 
[  469.974008]  ? addrconf_rs_timer+0x690/0x690
[  469.979435] (UM) 
[  469.981852]  ndisc_alloc_skb+0x144/0x340
[  469.986234] 2*2048kB 
[  469.988303]  ndisc_send_rs+0x331/0x6e0
[  469.992342] (M) 
[  469.994753]  addrconf_rs_timer+0x314/0x690
[  469.998623] 3*4096kB 
[  470.000599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  470.004810] (M) 
[  470.007234]  call_timer_fn+0x272/0x920
[  470.011440] = 25360kB
[  470.013413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  470.017281] Node 0 
[  470.019694]  ? process_timeout+0x40/0x40
[  470.023907] Normal: 
[  470.026152]  ? __run_timers+0x7da/0xc70
[  470.030189] 783*4kB 
[  470.032521]  ? _raw_spin_unlock_irq+0x27/0x80
[  470.036477] (UMEH) 
[  470.038805]  ? _raw_spin_unlock_irq+0x27/0x80
[  470.043282] 379*8kB 
[  470.045525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  470.050007] (MEH) 
[  470.052333]  ? lockdep_hardirqs_on+0x296/0x5b0
[  470.056548] 205*16kB 
[  470.058698]  ? trace_hardirqs_on+0xbd/0x310
[  470.063261] (UMEH) 
[  470.065674]  ? kasan_check_read+0x11/0x20
[  470.069976] 93*32kB 
[  470.072222]  ? __run_timers+0x7da/0xc70
[  470.076349] (UMEH) 
[  470.078671]  ? trace_hardirqs_off_caller+0x310/0x310
[  470.082626] 24*64kB 
[  470.084864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  470.089945] (UMH) 
[  470.092269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  470.096485] 1*128kB 
[  470.098642]  __run_timers+0x7e5/0xc70
[  470.102855] (H) 0*256kB 
[  470.105213]  ? timer_fixup_init+0x70/0x70
[  470.108980] 0*512kB 
[  470.111663]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  470.115786] 0*1024kB 0*2048kB 
[  470.118121]  ? zap_class+0x640/0x640
[  470.123110] 0*4096kB = 14084kB
[  470.126314]  ? enqueue_hrtimer+0x1a5/0x560
[  470.130018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  470.133213]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  470.137425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  470.146254]  ? find_held_lock+0x36/0x1c0
[  470.151425] 1070 total pagecache pages
[  470.160003]  ? zap_class+0x640/0x640
[  470.164053] 0 pages in swap cache
[  470.167934]  ? pvclock_read_flags+0x160/0x160
[  470.171628] Swap cache stats: add 0, delete 0, find 0/0
[  470.175075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.179556] Free swap  = 0kB
[  470.184920]  ? check_preemption_disabled+0x48/0x280
[  470.190436] Total swap = 0kB
[  470.193458]  ? __lock_is_held+0xb5/0x140
[  470.198451] 1965979 pages RAM
[  470.201470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.205514] 0 pages HighMem/MovableOnly
[  470.208617]  ? check_preemption_disabled+0x48/0x280
[  470.214136] 342293 pages reserved
[  470.218117]  run_timer_softirq+0x52/0xb0
[  470.223140] 0 pages cma reserved
[  470.226599]  ? rcu_read_lock_sched_held+0x14f/0x180
[  470.230703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  470.234013]  __do_softirq+0x308/0xb7e
[  470.239123] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  470.245514]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  470.249293] syz-fuzzer cpuset=
[  470.259537]  ? lock_downgrade+0x900/0x900
[  470.264020] /
[  470.267237]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  470.271368]  mems_allowed=0
[  470.273091]  ? pvclock_read_flags+0x160/0x160
[  470.285602]  ? lapic_next_event+0x5a/0x90
[  470.289760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.295318]  ? kvm_clock_read+0x18/0x30
[  470.299299]  ? kvm_sched_clock_read+0x9/0x20
[  470.303720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.309273]  ? check_preemption_disabled+0x48/0x280
[  470.314314]  irq_exit+0x17f/0x1c0
[  470.317775]  smp_apic_timer_interrupt+0x1cb/0x760
[  470.322626]  ? smp_reschedule_interrupt+0x109/0x650
[  470.327649]  ? smp_call_function_single_interrupt+0x650/0x650
[  470.333546]  ? interrupt_entry+0xb5/0xc0
[  470.337617]  ? trace_hardirqs_off_caller+0xbb/0x310
[  470.342637]  ? trace_hardirqs_off_caller+0xbb/0x310
[  470.347667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  470.352526]  ? trace_hardirqs_on_caller+0x310/0x310
[  470.357554]  ? trace_hardirqs_on_caller+0x310/0x310
[  470.362591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  470.367456]  apic_timer_interrupt+0xf/0x20
[  470.371694]  </IRQ>
[  470.373940] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  470.378877] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  470.397790] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  470.405508] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  470.412777] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  470.420047] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  470.427318] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  470.434587] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  470.441905]  skb_clone+0x1bb/0x500
[  470.445478]  ? finish_task_switch+0x1b4/0x910
[  470.450006]  ? skb_split+0x11e0/0x11e0
[  470.453908]  ? preempt_notifier_register+0x200/0x200
[  470.459026]  ? __switch_to_asm+0x34/0x70
[  470.463093]  ? __switch_to_asm+0x34/0x70
[  470.467158]  ? __switch_to_asm+0x40/0x70
[  470.471220]  ? __switch_to_asm+0x34/0x70
[  470.475287]  ? __switch_to_asm+0x40/0x70
[  470.479356]  ? __switch_to_asm+0x34/0x70
[  470.483420]  ? __switch_to_asm+0x40/0x70
[  470.487482]  ? __switch_to_asm+0x34/0x70
[  470.491563]  ? __switch_to_asm+0x34/0x70
[  470.495639]  ? __switch_to_asm+0x40/0x70
[  470.499701]  ? __switch_to_asm+0x34/0x70
[  470.503777]  bpf_clone_redirect+0xb9/0x490
[  470.508022]  ? __schedule+0x8d7/0x21d0
[  470.511924]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  470.516961]  ? __sched_text_start+0x8/0x8
[  470.521131]  ? find_held_lock+0x36/0x1c0
[  470.525209]  ? lock_acquire+0x1ed/0x520
[  470.529190]  ? bpf_test_run+0x3cb/0x780
[  470.533169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.538717]  ? check_preemption_disabled+0x48/0x280
[  470.543746]  ? kasan_check_read+0x11/0x20
[  470.547904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  470.553191]  ? rcu_softirq_qs+0x20/0x20
[  470.557180]  ? preempt_schedule+0x4d/0x60
[  470.561337]  ? ___preempt_schedule+0x16/0x18
[  470.565759]  ? bpf_test_run+0x25d/0x780
[  470.569762]  ? netlink_diag_dump+0x2a0/0x2a0
[  470.574180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.579724]  ? bpf_test_init.isra.10+0x70/0x100
[  470.584406]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  470.589665]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  470.594522]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  470.600066]  ? fput+0x130/0x1a0
[  470.603355]  ? __bpf_prog_get+0x9b/0x290
[  470.607427]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  470.612272]  ? bpf_prog_test_run+0x130/0x1a0
[  470.616704]  ? __x64_sys_bpf+0x3d8/0x520
[  470.620786]  ? bpf_prog_get+0x20/0x20
[  470.624612]  ? do_syscall_64+0x1b9/0x820
[  470.628678]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  470.634047]  ? syscall_return_slowpath+0x5e0/0x5e0
[  470.638982]  ? trace_hardirqs_on_caller+0x310/0x310
[  470.644009]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  470.649034]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  470.655709]  ? __switch_to_asm+0x40/0x70
[  470.659775]  ? __switch_to_asm+0x34/0x70
[  470.663850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  470.668705]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  470.674090] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  470.674159] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  470.680677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  470.680682] Call Trace:
[  470.680689]  <IRQ>
[  470.680707]  dump_stack+0x244/0x39d
[  470.680725]  ? dump_stack_print_info.cold.1+0x20/0x20
[  470.680753]  warn_alloc.cold.117+0xb7/0x1bd
[  470.687316] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  470.696586]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  470.699149] syz-executor1 cpuset=
[  470.701300]  ? lock_downgrade+0x900/0x900
[  470.704906] syz1
[  470.710103]  ? trace_hardirqs_off+0xb8/0x310
[  470.714404]  mems_allowed=0
[  470.724888]  ? trace_hardirqs_off+0xb8/0x310
[  470.750996]  __alloc_pages_slowpath+0x2660/0x2d70
[  470.755884]  ? warn_alloc+0x120/0x120
[  470.759736]  ? warn_alloc+0x120/0x120
[  470.763570]  ? print_usage_bug+0xc0/0xc0
[  470.767641]  ? warn_alloc+0x120/0x120
[  470.771451]  ? print_usage_bug+0xc0/0xc0
[  470.775519]  ? __lock_acquire+0x62f/0x4c20
[  470.779761]  ? __lock_acquire+0x62f/0x4c20
[  470.784013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.789565]  ? should_fail+0x22d/0xd01
[  470.793458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  470.798747]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  470.803856]  ? __lock_acquire+0x62f/0x4c20
[  470.808101]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  470.813211]  ? __lock_acquire+0x62f/0x4c20
[  470.817453]  ? should_fail+0x22d/0xd01
[  470.821346]  ? rcu_irq_exit+0x1a2/0x390
[  470.825342]  ? mark_held_locks+0x130/0x130
[  470.829590]  ? mark_held_locks+0x130/0x130
[  470.833841]  ? mark_held_locks+0xc7/0x130
[  470.838009]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  470.843031]  ? zap_class+0x640/0x640
[  470.846747]  ? print_usage_bug+0xc0/0xc0
[  470.850820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.856365]  ? check_preemption_disabled+0x48/0x280
[  470.861400]  ? __lock_is_held+0xb5/0x140
[  470.865477]  __alloc_pages_nodemask+0xa80/0xde0
[  470.870154]  ? zap_class+0x640/0x640
[  470.873882]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  470.878919]  ? find_held_lock+0x36/0x1c0
[  470.883003]  ? ____cache_alloc_node+0x1c7/0x1e0
[  470.887685]  ? lock_downgrade+0x900/0x900
[  470.891847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.897393]  cache_grow_begin+0xa5/0x8c0
[  470.901463]  ? do_raw_spin_unlock+0xa7/0x330
[  470.905892]  fallback_alloc+0x204/0x2e0
[  470.909884]  ____cache_alloc_node+0x1c7/0x1e0
[  470.914395]  kmem_cache_alloc_node+0xe3/0x730
[  470.918897]  ? ipv6_get_ifaddr+0x42e/0x620
[  470.923153]  __alloc_skb+0x119/0x770
[  470.926875]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  470.932162]  ? netdev_alloc_frag+0x1f0/0x1f0
[  470.936587]  ? lock_downgrade+0x900/0x900
[  470.940764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.946307]  ? refcount_sub_and_test_checked+0x203/0x310
[  470.951766]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  470.957225]  ? addrconf_rs_timer+0x690/0x690
[  470.961660]  ndisc_alloc_skb+0x144/0x340
[  470.965733]  ndisc_send_rs+0x331/0x6e0
[  470.969632]  addrconf_rs_timer+0x314/0x690
[  470.973881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  470.978134]  call_timer_fn+0x272/0x920
[  470.982031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  470.986272]  ? process_timeout+0x40/0x40
[  470.990349]  ? mark_held_locks+0xc7/0x130
[  470.994502]  ? _raw_spin_unlock_irq+0x27/0x80
[  470.999017]  ? _raw_spin_unlock_irq+0x27/0x80
[  471.003514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.007751]  ? lockdep_hardirqs_on+0x296/0x5b0
[  471.012339]  ? trace_hardirqs_on+0xbd/0x310
[  471.016668]  ? kasan_check_read+0x11/0x20
[  471.020822]  ? __run_timers+0x7da/0xc70
[  471.024808]  ? trace_hardirqs_off_caller+0x310/0x310
[  471.029926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.034179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.038429]  __run_timers+0x7e5/0xc70
[  471.042249]  ? timer_fixup_init+0x70/0x70
[  471.046407]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  471.051434]  ? zap_class+0x640/0x640
[  471.055163]  ? print_usage_bug+0xc0/0xc0
[  471.059243]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  471.064450]  ? find_held_lock+0x36/0x1c0
[  471.068529]  ? zap_class+0x640/0x640
[  471.072255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.077805]  ? check_preemption_disabled+0x48/0x280
[  471.082844]  ? __lock_is_held+0xb5/0x140
[  471.086911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.092457]  ? check_preemption_disabled+0x48/0x280
[  471.097488]  run_timer_softirq+0x52/0xb0
[  471.101557]  ? rcu_read_lock_sched_held+0x14f/0x180
[  471.106583]  __do_softirq+0x308/0xb7e
[  471.110398]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  471.114905]  ? lock_downgrade+0x900/0x900
[  471.119066]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  471.124191]  ? pvclock_read_flags+0x160/0x160
[  471.128712]  ? lapic_next_event+0x5a/0x90
[  471.132869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.138420]  ? kvm_clock_read+0x18/0x30
[  471.142493]  ? kvm_sched_clock_read+0x9/0x20
[  471.146914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.152452]  ? check_preemption_disabled+0x48/0x280
[  471.157483]  irq_exit+0x17f/0x1c0
[  471.160948]  smp_apic_timer_interrupt+0x1cb/0x760
[  471.165800]  ? smp_call_function_single_interrupt+0x650/0x650
[  471.171691]  ? interrupt_entry+0xb5/0xc0
[  471.175763]  ? trace_hardirqs_off_caller+0xbb/0x310
[  471.180781]  ? trace_hardirqs_off_caller+0xbb/0x310
[  471.185805]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.190656]  ? trace_hardirqs_on_caller+0x310/0x310
[  471.195675]  ? trace_hardirqs_on_caller+0x310/0x310
[  471.200694]  ? task_prio+0x50/0x50
[  471.204244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.209799]  ? check_preemption_disabled+0x48/0x280
[  471.214828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.219685]  apic_timer_interrupt+0xf/0x20
[  471.223922]  </IRQ>
[  471.226166] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  471.231280] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  471.250184] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  471.257908] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  471.265177] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  471.272456] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  471.279728] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  471.287003] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  471.294313]  shrink_active_list+0x67b/0x1c20
[  471.298727]  ? free_unref_page_list+0xd1b/0x11e0
[  471.303502]  ? shrink_inactive_list+0xa4a/0x1c60
[  471.308267]  ? zap_class+0x60f/0x640
[  471.311990]  ? shrink_inactive_list+0x1c60/0x1c60
[  471.316847]  ? _raw_spin_unlock_irq+0x27/0x80
[  471.321353]  ? find_held_lock+0x36/0x1c0
[  471.325423]  ? __page_frag_cache_drain+0x200/0x200
[  471.330358]  ? print_usage_bug+0xc0/0xc0
[  471.334441]  ? find_held_lock+0x36/0x1c0
[  471.338510]  ? zap_class+0x640/0x640
[  471.342232]  ? mark_held_locks+0xc7/0x130
[  471.346390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.351938]  ? check_preemption_disabled+0x48/0x280
[  471.356966]  ? zap_class+0x640/0x640
[  471.360688]  ? __lock_is_held+0xb5/0x140
[  471.364785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.370328]  ? check_preemption_disabled+0x48/0x280
[  471.375363]  ? __lock_is_held+0xb5/0x140
[  471.379446]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  471.384472]  ? inactive_list_is_low+0x305/0x880
[  471.389157]  ? lruvec_lru_size+0x450/0x450
[  471.393404]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  471.398341]  ? rcu_softirq_qs+0x20/0x20
[  471.402328]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  471.407273]  shrink_node_memcg+0x803/0x18f0
[  471.411621]  ? shrink_active_list+0x1c20/0x1c20
[  471.416305]  ? lock_downgrade+0x900/0x900
[  471.420465]  ? check_flush_dependency+0x410/0x410
[  471.425327]  ? kasan_check_read+0x11/0x20
[  471.429491]  ? ___preempt_schedule+0x16/0x18
[  471.433916]  ? _raw_spin_unlock+0x3f/0x50
[  471.438071]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  471.443273]  shrink_node+0x3bc/0x16b0
[  471.447082]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  471.452887]  ? shrink_node_memcg+0x18f0/0x18f0
[  471.457479]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  471.462066]  ? trace_hardirqs_on+0xbd/0x310
[  471.466394]  ? vmpressure+0x271/0x340
[  471.470214]  ? do_raw_spin_trylock+0x270/0x270
[  471.474808]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  471.480483]  ? __cpuset_node_allowed+0x19b/0x660
[  471.485256]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  471.490976]  ? vmpressure+0x1a2/0x340
[  471.494797]  do_try_to_free_pages+0x3e7/0x1290
[  471.499387]  ? zap_class+0x640/0x640
[  471.503122]  ? shrink_node+0x16b0/0x16b0
[  471.507187]  ? __lock_is_held+0xb5/0x140
[  471.511270]  try_to_free_pages+0x4d0/0xb90
[  471.515512]  ? do_try_to_free_pages+0x1290/0x1290
[  471.520361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.525919]  ? lock_acquire+0x1ed/0x520
[  471.529898]  ? set_page_refcounted+0x280/0x280
[  471.534491]  ? lock_release+0xa00/0xa00
[  471.538487]  ? perf_trace_sched_process_exec+0x860/0x860
[  471.543956]  __alloc_pages_slowpath+0x9c4/0x2d70
[  471.548754]  ? warn_alloc+0x120/0x120
[  471.552558]  ? rcu_softirq_qs+0x20/0x20
[  471.556576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.562138]  ? should_fail+0x22d/0xd01
[  471.566045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  471.571161]  ? zap_class+0x640/0x640
[  471.574910]  ? __lock_is_held+0xb5/0x140
[  471.578997]  ? mark_held_locks+0x130/0x130
[  471.583244]  ? lock_release+0xa00/0xa00
[  471.587226]  ? perf_trace_sched_process_exec+0x860/0x860
[  471.592700]  ? __might_sleep+0x95/0x190
[  471.596692]  __alloc_pages_nodemask+0xa80/0xde0
[  471.601378]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  471.606401]  ? __page_cache_alloc+0x191/0x5c0
[  471.610999]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  471.615934]  ? kasan_check_read+0x11/0x20
[  471.620090]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  471.625374]  ? zap_class+0x640/0x640
[  471.629099]  ? zap_class+0x640/0x640
[  471.632814]  ? zap_class+0x640/0x640
[  471.636534]  ? __do_page_cache_readahead+0x7ce/0x980
[  471.641647]  ? find_held_lock+0x36/0x1c0
[  471.645719]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  471.651266]  alloc_pages_current+0x173/0x350
[  471.655688]  __page_cache_alloc+0x38c/0x5c0
[  471.660020]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  471.664952]  ? kasan_check_read+0x11/0x20
[  471.669116]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  471.674401]  ? generic_perform_write+0x6a0/0x6a0
[  471.679167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.684709]  ? check_preemption_disabled+0x48/0x280
[  471.689738]  filemap_fault+0x1594/0x25f0
[  471.693817]  ? __lock_page_or_retry+0xa00/0xa00
[  471.698493]  ? mark_held_locks+0x130/0x130
[  471.702745]  ? rcu_softirq_qs+0x20/0x20
[  471.706735]  ? filemap_map_pages+0xe04/0x1990
[  471.711245]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  471.715838]  ? __free_object+0x173/0x340
[  471.719907]  ? debug_object_free+0x36f/0x690
[  471.724330]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  471.729273]  ? trace_hardirqs_off_caller+0x310/0x310
[  471.734392]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  471.739080]  ? queue_work_on+0x12c/0x1e0
[  471.743156]  ? debug_object_free+0x36f/0x690
[  471.747570]  ? kasan_check_read+0x11/0x20
[  471.751736]  ? debug_object_destroy+0x2b0/0x2b0
[  471.756416]  ? lock_pi_update_atomic+0x150/0x150
[  471.761179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.766736]  ? __hrtimer_init+0xdb/0x240
[  471.770827]  ? lock_acquire+0x1ed/0x520
[  471.774815]  ? ext4_filemap_fault+0x7a/0xad
[  471.779158]  ? lock_release+0xa00/0xa00
[  471.783139]  ? perf_trace_sched_process_exec+0x860/0x860
[  471.788599]  ? print_usage_bug+0xc0/0xc0
[  471.792668]  ? print_usage_bug+0xc0/0xc0
[  471.796754]  ? down_read+0x8d/0x120
[  471.800390]  ? ext4_filemap_fault+0x7a/0xad
[  471.804720]  ? __down_interruptible+0x700/0x700
[  471.809412]  ext4_filemap_fault+0x82/0xad
[  471.813576]  __do_fault+0x100/0x6b0
[  471.817225]  ? pmd_devmap_trans_unstable+0x220/0x220
[  471.822345]  ? mark_held_locks+0x130/0x130
[  471.826593]  ? mark_held_locks+0x130/0x130
[  471.830849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.836400]  __handle_mm_fault+0x307c/0x5920
[  471.840828]  ? perf_trace_lock+0x7a0/0x7a0
[  471.845086]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  471.849951]  ? __switch_to_asm+0x34/0x70
[  471.854029]  ? __switch_to_asm+0x34/0x70
[  471.858167]  ? zap_class+0x640/0x640
[  471.861890]  ? zap_class+0x640/0x640
[  471.865617]  ? __x64_sys_futex+0x53e/0x6a0
[  471.869865]  ? find_held_lock+0x36/0x1c0
[  471.873941]  ? handle_mm_fault+0x42a/0xc70
[  471.878186]  ? lock_downgrade+0x900/0x900
[  471.882342]  ? check_preemption_disabled+0x48/0x280
[  471.887368]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  471.892306]  ? kasan_check_read+0x11/0x20
[  471.896464]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  471.901746]  ? rcu_softirq_qs+0x20/0x20
[  471.905722]  ? trace_hardirqs_off_caller+0x310/0x310
[  471.910835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.916381]  ? check_preemption_disabled+0x48/0x280
[  471.921415]  handle_mm_fault+0x54f/0xc70
[  471.925484]  ? __handle_mm_fault+0x5920/0x5920
[  471.930080]  ? find_vma+0x34/0x190
[  471.933629]  __do_page_fault+0x5e8/0xe60
[  471.937694]  ? trace_hardirqs_off+0xb8/0x310
[  471.942123]  do_page_fault+0xf2/0x7e0
[  471.945933]  ? vmalloc_sync_all+0x30/0x30
[  471.950094]  ? error_entry+0x70/0xd0
[  471.953814]  ? trace_hardirqs_off_caller+0xbb/0x310
[  471.958837]  ? trace_hardirqs_on_caller+0xc0/0x310
[  471.963778]  ? syscall_return_slowpath+0x5e0/0x5e0
[  471.968720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.973573]  ? trace_hardirqs_on_caller+0x310/0x310
[  471.978602]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  471.984068]  ? prepare_exit_to_usermode+0x291/0x3b0
[  471.989095]  ? page_fault+0x8/0x30
[  471.992647]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.997508]  ? page_fault+0x8/0x30
[  472.001059]  page_fault+0x1e/0x30
[  472.004521] RIP: 0033:0x45ddf3
[  472.007735] Code: Bad RIP value.
[  472.011100] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  472.016471] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  472.023758] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  472.031035] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  472.038313] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  472.045589] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  472.052891] warn_alloc_show_mem: 1 callbacks suppressed
[  472.052903] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  472.052906] Mem-Info:
[  472.052936] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  472.052936]  active_file:15 inactive_file:12 isolated_file:0
[  472.052936]  unevictable:0 dirty:0 writeback:0 unstable:0
[  472.052936]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  472.052936]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  472.052936]  free:13694 free_pcp:0 free_cma:0
[  472.058288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  472.065236] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  472.067641] Call Trace:
[  472.100527] Node 0 
[  472.109888]  <IRQ>
[  472.137591] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  472.140159]  dump_stack+0x244/0x39d
[  472.142373] lowmem_reserve[]:
[  472.144529]  ? dump_stack_print_info.cold.1+0x20/0x20
[  472.170022]  0
[  472.173668]  warn_alloc.cold.117+0xb7/0x1bd
[  472.176743]  2819
[  472.181933]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  472.183724]  6323
[  472.188047]  ? lock_downgrade+0x900/0x900
[  472.190086]  6323
[  472.194934]  ? trace_hardirqs_off+0xb8/0x310
[  472.201122]  ? trace_hardirqs_off+0xb8/0x310
[  472.203167] Node 0 
[  472.207590]  __alloc_pages_slowpath+0x2660/0x2d70
[  472.212004] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  472.214245]  ? warn_alloc+0x120/0x120
[  472.219043] lowmem_reserve[]:
[  472.245787]  ? warn_alloc+0x120/0x120
[  472.249571]  0
[  472.252692]  ? print_usage_bug+0xc0/0xc0
[  472.256470]  0
[  472.258279]  ? warn_alloc+0x120/0x120
[  472.262321]  3503
[  472.264125]  ? print_usage_bug+0xc0/0xc0
[  472.267907]  3503
[  472.269973]  ? __lock_acquire+0x62f/0x4c20
[  472.276080]  ? __lock_acquire+0x62f/0x4c20
[  472.280300] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  472.284584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  472.284604]  ? should_fail+0x22d/0xd01
[  472.313306] lowmem_reserve[]: 0
[  472.318879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  472.322747]  0
[  472.326040]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  472.331299]  0
[  472.333113]  ? __lock_acquire+0x62f/0x4c20
[  472.338196]  0
[  472.338207] Node 0 
[  472.340024]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  472.344236] DMA: 
[  472.346040]  ? __lock_acquire+0x62f/0x4c20
[  472.348255] 1*4kB 
[  472.353361]  ? should_fail+0x22d/0xd01
[  472.355399] (U) 
[  472.359635]  ? rcu_irq_exit+0x1a2/0x390
[  472.361760] 0*8kB 
[  472.365654]  ? mark_held_locks+0x130/0x130
[  472.367608] 0*16kB 
[  472.371585]  ? mark_held_locks+0x130/0x130
[  472.373716] 1*32kB 
[  472.377963]  ? mark_held_locks+0xc7/0x130
[  472.380179] (U) 
[  472.384433]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  472.386645] 2*64kB 
[  472.390794]  ? zap_class+0x640/0x640
[  472.392751] (U) 
[  472.397771]  ? print_usage_bug+0xc0/0xc0
[  472.399994] 1*128kB 
[  472.403708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.405665] (U) 
[  472.409731]  ? check_preemption_disabled+0x48/0x280
[  472.412046] 1*256kB 
[  472.417593]  ? __lock_is_held+0xb5/0x140
[  472.419545] (U) 
[  472.424565]  __alloc_pages_nodemask+0xa80/0xde0
[  472.426864] 0*512kB 
[  472.430927]  ? zap_class+0x640/0x640
[  472.432889] 1*1024kB 
[  472.437565]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  472.439865] (U) 
[  472.443590]  ? find_held_lock+0x36/0x1c0
[  472.445972] 1*2048kB 
[  472.450995]  ? ____cache_alloc_node+0x1c7/0x1e0
[  472.452946] (M) 
[  472.457013]  ? lock_downgrade+0x900/0x900
[  472.459403] 3*4096kB 
[  472.464073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.466024] (M) 
[  472.470175]  cache_grow_begin+0xa5/0x8c0
[  472.472567] = 15908kB
[  472.478107]  ? do_raw_spin_unlock+0xa7/0x330
[  472.480065] Node 0 
[  472.484137]  fallback_alloc+0x204/0x2e0
[  472.486524] DMA32: 
[  472.490938]  ____cache_alloc_node+0x1c7/0x1e0
[  472.493154] 2*4kB 
[  472.497138]  kmem_cache_alloc_node+0xe3/0x730
[  472.499352] (M) 
[  472.503856]  ? ipv6_get_ifaddr+0x42e/0x620
[  472.505992] 3*8kB 
[  472.510509]  __alloc_skb+0x119/0x770
[  472.512455] (UM) 
[  472.516697]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  472.518826] 3*16kB 
[  472.522547]  ? netdev_alloc_frag+0x1f0/0x1f0
[  472.524589] (UM) 
[  472.529884]  ? lock_downgrade+0x900/0x900
[  472.532108] 4*32kB 
[  472.536522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.538567] (UM) 
[  472.542719]  ? refcount_sub_and_test_checked+0x203/0x310
[  472.544934] 5*64kB 
[  472.550473]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  472.552513] (UM) 
[  472.557966]  ? addrconf_rs_timer+0x690/0x690
[  472.560188] 4*128kB 
[  472.565643]  ndisc_alloc_skb+0x144/0x340
[  472.567682] (M) 
[  472.572097]  ndisc_send_rs+0x331/0x6e0
[  472.574401] 5*256kB 
[  472.578469]  addrconf_rs_timer+0x314/0x690
[  472.580415] (UM) 5*512kB 
[  472.584326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.586621] (UM) 4*1024kB 
[  472.591085]  call_timer_fn+0x272/0x920
[  472.593816] (UM) 
[  472.598048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.600894] 2*2048kB 
[  472.604780]  ? process_timeout+0x40/0x40
[  472.606828] (M) 
[  472.611066]  ? __run_timers+0x7da/0xc70
[  472.613456] 3*4096kB 
[  472.617523]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.619478] (M) 
[  472.623462]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.625857] = 25360kB
[  472.630344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.630362]  ? lockdep_hardirqs_on+0x296/0x5b0
[  472.632320] Node 0 
[  472.636816]  ? trace_hardirqs_on+0xbd/0x310
[  472.639213] Normal: 
[  472.643446]  ? kasan_check_read+0x11/0x20
[  472.648011] 783*4kB 
[  472.650251]  ? __run_timers+0x7da/0xc70
[  472.654552] (UMEH) 
[  472.656875]  ? trace_hardirqs_off_caller+0x310/0x310
[  472.661014] 379*8kB 
[  472.663337]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.667294] (MEH) 
[  472.669536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.674620] 205*16kB 
[  472.676947]  __run_timers+0x7e5/0xc70
[  472.681157] (UMEH) 
[  472.683315]  ? timer_fixup_init+0x70/0x70
[  472.687521] 93*32kB 
[  472.689933]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  472.693716] (UMEH) 
[  472.695950]  ? zap_class+0x640/0x640
[  472.700088] 24*64kB 
[  472.702413]  ? enqueue_hrtimer+0x1a5/0x560
[  472.707411] (UMH) 
[  472.709654]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  472.713352] 1*128kB 
[  472.715676]  ? find_held_lock+0x36/0x1c0
[  472.719893] (H) 
[  472.722043]  ? zap_class+0x640/0x640
[  472.727222] 0*256kB 
[  472.729545]  ? pvclock_read_flags+0x160/0x160
[  472.733586] 0*512kB 
[  472.735559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.739251] 0*1024kB 0*2048kB 
[  472.741584]  ? check_preemption_disabled+0x48/0x280
[  472.746060] 0*4096kB 
[  472.748391]  ? __lock_is_held+0xb5/0x140
[  472.753905] = 14084kB
[  472.757097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.762100] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  472.764510]  ? check_preemption_disabled+0x48/0x280
[  472.768559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  472.770971]  run_timer_softirq+0x52/0xb0
[  472.776482] 1070 total pagecache pages
[  472.785320]  ? rcu_read_lock_sched_held+0x14f/0x180
[  472.790326] 0 pages in swap cache
[  472.798918]  __do_softirq+0x308/0xb7e
[  472.802954] Swap cache stats: add 0, delete 0, find 0/0
[  472.802970] Free swap  = 0kB
[  472.806859]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  472.811860] Total swap = 0kB
[  472.815314]  ? lock_downgrade+0x900/0x900
[  472.819099] 1965979 pages RAM
[  472.824461]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  472.827460] 0 pages HighMem/MovableOnly
[  472.831961]  ? pvclock_read_flags+0x160/0x160
[  472.834957] 342293 pages reserved
[  472.839104]  ? lapic_next_event+0x5a/0x90
[  472.842192] 0 pages cma reserved
[  472.847317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.851330] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  472.855769]  ? kvm_clock_read+0x18/0x30
[  472.855784]  ? kvm_sched_clock_read+0x9/0x20
[  472.855801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.859297] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  472.863390]  ? check_preemption_disabled+0x48/0x280
[  472.866739] syz-fuzzer cpuset=
[  472.872319]  irq_exit+0x17f/0x1c0
[  472.878762] /
[  472.882739]  smp_apic_timer_interrupt+0x1cb/0x760
[  472.887125]  mems_allowed=0
[  472.892659]  ? smp_reschedule_interrupt+0x109/0x650
[  472.928964]  ? smp_call_function_single_interrupt+0x650/0x650
[  472.934852]  ? interrupt_entry+0xb5/0xc0
[  472.938919]  ? trace_hardirqs_off_caller+0xbb/0x310
[  472.943938]  ? trace_hardirqs_off_caller+0xbb/0x310
[  472.948960]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  472.953807]  ? trace_hardirqs_on_caller+0x310/0x310
[  472.958822]  ? trace_hardirqs_on_caller+0x310/0x310
[  472.963858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  472.968722]  apic_timer_interrupt+0xf/0x20
[  472.972953]  </IRQ>
[  472.975197] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  472.980131] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  472.999033] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  473.006748] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  473.014015] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  473.021287] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  473.028554] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  473.035834] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  473.043149]  skb_clone+0x1bb/0x500
[  473.046697]  ? finish_task_switch+0x1b4/0x910
[  473.051195]  ? skb_split+0x11e0/0x11e0
[  473.055090]  ? preempt_notifier_register+0x200/0x200
[  473.060195]  ? __switch_to_asm+0x34/0x70
[  473.064260]  ? __switch_to_asm+0x34/0x70
[  473.068324]  ? __switch_to_asm+0x40/0x70
[  473.072386]  ? __switch_to_asm+0x34/0x70
[  473.076450]  ? __switch_to_asm+0x40/0x70
[  473.080514]  ? __switch_to_asm+0x34/0x70
[  473.084575]  ? __switch_to_asm+0x40/0x70
[  473.088643]  ? __switch_to_asm+0x34/0x70
[  473.092709]  ? __switch_to_asm+0x34/0x70
[  473.096776]  ? __switch_to_asm+0x40/0x70
[  473.100840]  ? __switch_to_asm+0x34/0x70
[  473.104916]  bpf_clone_redirect+0xb9/0x490
[  473.109161]  ? __schedule+0x8d7/0x21d0
[  473.113065]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  473.118091]  ? __sched_text_start+0x8/0x8
[  473.122261]  ? find_held_lock+0x36/0x1c0
[  473.126333]  ? lock_acquire+0x1ed/0x520
[  473.130310]  ? bpf_test_run+0x3cb/0x780
[  473.134290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.139829]  ? check_preemption_disabled+0x48/0x280
[  473.144858]  ? kasan_check_read+0x11/0x20
[  473.149014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  473.154306]  ? rcu_softirq_qs+0x20/0x20
[  473.158293]  ? preempt_schedule+0x4d/0x60
[  473.162452]  ? ___preempt_schedule+0x16/0x18
[  473.166878]  ? bpf_test_run+0x25d/0x780
[  473.170872]  ? netlink_diag_dump+0x2a0/0x2a0
[  473.175290]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.180835]  ? bpf_test_init.isra.10+0x70/0x100
[  473.185520]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  473.190294]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  473.195145]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  473.200689]  ? fput+0x130/0x1a0
[  473.203979]  ? __bpf_prog_get+0x9b/0x290
[  473.208056]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  473.212901]  ? bpf_prog_test_run+0x130/0x1a0
[  473.217317]  ? __x64_sys_bpf+0x3d8/0x520
[  473.221387]  ? bpf_prog_get+0x20/0x20
[  473.225213]  ? do_syscall_64+0x1b9/0x820
[  473.229279]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  473.234650]  ? syscall_return_slowpath+0x5e0/0x5e0
[  473.239585]  ? trace_hardirqs_on_caller+0x310/0x310
[  473.244610]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  473.249629]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  473.256306]  ? __switch_to_asm+0x40/0x70
[  473.260369]  ? __switch_to_asm+0x34/0x70
[  473.264441]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.269301]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  473.274686] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  473.274756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  473.281273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  473.281283] Call Trace:
[  473.287865] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  473.297113]  <IRQ>
[  473.299691] syz-executor1 cpuset=
[  473.310173]  dump_stack+0x244/0x39d
[  473.312304] syz1
[  473.315757]  ? dump_stack_print_info.cold.1+0x20/0x20
[  473.319365]  mems_allowed=0
[  473.321350]  warn_alloc.cold.117+0xb7/0x1bd
[  473.333748]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  473.338600]  ? lock_downgrade+0x900/0x900
[  473.342765]  ? trace_hardirqs_off+0xb8/0x310
[  473.347183]  ? trace_hardirqs_off+0xb8/0x310
[  473.351615]  __alloc_pages_slowpath+0x2660/0x2d70
[  473.356498]  ? warn_alloc+0x120/0x120
[  473.360310]  ? warn_alloc+0x120/0x120
[  473.364116]  ? print_usage_bug+0xc0/0xc0
[  473.368181]  ? warn_alloc+0x120/0x120
[  473.372002]  ? print_usage_bug+0xc0/0xc0
[  473.376069]  ? __lock_acquire+0x62f/0x4c20
[  473.380307]  ? __lock_acquire+0x62f/0x4c20
[  473.384557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.390103]  ? should_fail+0x22d/0xd01
[  473.394006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  473.399122]  ? __lock_acquire+0x62f/0x4c20
[  473.403372]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  473.408482]  ? __lock_acquire+0x62f/0x4c20
[  473.412721]  ? should_fail+0x22d/0xd01
[  473.416618]  ? find_held_lock+0x36/0x1c0
[  473.420695]  ? mark_held_locks+0x130/0x130
[  473.424939]  ? mark_held_locks+0x130/0x130
[  473.429174]  ? zap_class+0x640/0x640
[  473.432900]  ? zap_class+0x640/0x640
[  473.436620]  ? print_usage_bug+0xc0/0xc0
[  473.440688]  ? do_raw_spin_unlock+0xa7/0x330
[  473.445105]  ? zap_class+0x640/0x640
[  473.448821]  ? print_usage_bug+0xc0/0xc0
[  473.452887]  ? wq_watchdog_touch+0x9c/0xfe
[  473.457132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.462681]  ? check_preemption_disabled+0x48/0x280
[  473.467716]  ? __lock_is_held+0xb5/0x140
[  473.471789]  __alloc_pages_nodemask+0xa80/0xde0
[  473.476463]  ? zap_class+0x640/0x640
[  473.480285]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  473.485314]  ? find_held_lock+0x36/0x1c0
[  473.489390]  ? ____cache_alloc_node+0x1c7/0x1e0
[  473.494070]  ? lock_downgrade+0x900/0x900
[  473.498231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.503786]  cache_grow_begin+0xa5/0x8c0
[  473.507857]  ? do_raw_spin_unlock+0xa7/0x330
[  473.512289]  fallback_alloc+0x204/0x2e0
[  473.516304]  ____cache_alloc_node+0x1c7/0x1e0
[  473.520812]  kmem_cache_alloc_node+0xe3/0x730
[  473.525315]  ? ipv6_get_ifaddr+0x42e/0x620
[  473.529566]  __alloc_skb+0x119/0x770
[  473.533292]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  473.538582]  ? netdev_alloc_frag+0x1f0/0x1f0
[  473.542999]  ? lock_downgrade+0x900/0x900
[  473.547170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.552713]  ? refcount_sub_and_test_checked+0x203/0x310
[  473.558171]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  473.563629]  ? addrconf_rs_timer+0x690/0x690
[  473.568063]  ndisc_alloc_skb+0x144/0x340
[  473.572138]  ndisc_send_rs+0x331/0x6e0
[  473.576035]  addrconf_rs_timer+0x314/0x690
[  473.580284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.584541]  call_timer_fn+0x272/0x920
[  473.588430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.592669]  ? process_timeout+0x40/0x40
[  473.596750]  ? mark_held_locks+0xc7/0x130
[  473.600905]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.605408]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.609913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.614155]  ? lockdep_hardirqs_on+0x296/0x5b0
[  473.618747]  ? trace_hardirqs_on+0xbd/0x310
[  473.623071]  ? kasan_check_read+0x11/0x20
[  473.627224]  ? __run_timers+0x7da/0xc70
[  473.631205]  ? trace_hardirqs_off_caller+0x310/0x310
[  473.636316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.640560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.644801]  __run_timers+0x7e5/0xc70
[  473.648619]  ? timer_fixup_init+0x70/0x70
[  473.652772]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  473.657793]  ? zap_class+0x640/0x640
[  473.661524]  ? print_usage_bug+0xc0/0xc0
[  473.665599]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  473.670800]  ? find_held_lock+0x36/0x1c0
[  473.674870]  ? zap_class+0x640/0x640
[  473.678597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.684138]  ? check_preemption_disabled+0x48/0x280
[  473.689167]  ? __lock_is_held+0xb5/0x140
[  473.693231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.698772]  ? check_preemption_disabled+0x48/0x280
[  473.703801]  run_timer_softirq+0x52/0xb0
[  473.707865]  ? rcu_read_lock_sched_held+0x14f/0x180
[  473.712888]  __do_softirq+0x308/0xb7e
[  473.716699]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  473.721197]  ? lock_downgrade+0x900/0x900
[  473.725357]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  473.730474]  ? pvclock_read_flags+0x160/0x160
[  473.734983]  ? lapic_next_event+0x5a/0x90
[  473.739144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.744694]  ? kvm_clock_read+0x18/0x30
[  473.748670]  ? kvm_sched_clock_read+0x9/0x20
[  473.753082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.758626]  ? check_preemption_disabled+0x48/0x280
[  473.763663]  irq_exit+0x17f/0x1c0
[  473.767122]  smp_apic_timer_interrupt+0x1cb/0x760
[  473.771974]  ? smp_call_function_single_interrupt+0x650/0x650
[  473.777870]  ? interrupt_entry+0xb5/0xc0
[  473.781939]  ? trace_hardirqs_off_caller+0xbb/0x310
[  473.786955]  ? trace_hardirqs_off_caller+0xbb/0x310
[  473.791983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.796835]  ? trace_hardirqs_on_caller+0x310/0x310
[  473.801854]  ? trace_hardirqs_on_caller+0x310/0x310
[  473.806878]  ? task_prio+0x50/0x50
[  473.810427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.815970]  ? check_preemption_disabled+0x48/0x280
[  473.821010]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.825868]  apic_timer_interrupt+0xf/0x20
[  473.830102]  </IRQ>
[  473.832344] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  473.837454] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  473.856357] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  473.864073] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  473.871343] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  473.878613] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  473.885887] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  473.893161] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  473.900460]  shrink_active_list+0x67b/0x1c20
[  473.904880]  ? free_unref_page_list+0xd1b/0x11e0
[  473.909650]  ? shrink_inactive_list+0xa4a/0x1c60
[  473.914414]  ? zap_class+0x60f/0x640
[  473.918131]  ? shrink_inactive_list+0x1c60/0x1c60
[  473.922985]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.927505]  ? find_held_lock+0x36/0x1c0
[  473.931576]  ? __page_frag_cache_drain+0x200/0x200
[  473.936511]  ? print_usage_bug+0xc0/0xc0
[  473.940589]  ? find_held_lock+0x36/0x1c0
[  473.944667]  ? zap_class+0x640/0x640
[  473.948386]  ? mark_held_locks+0xc7/0x130
[  473.952559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.958104]  ? check_preemption_disabled+0x48/0x280
[  473.963131]  ? zap_class+0x640/0x640
[  473.966848]  ? __lock_is_held+0xb5/0x140
[  473.970915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.976454]  ? check_preemption_disabled+0x48/0x280
[  473.981488]  ? __lock_is_held+0xb5/0x140
[  473.985571]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  473.990593]  ? inactive_list_is_low+0x305/0x880
[  473.995283]  ? lruvec_lru_size+0x450/0x450
[  473.999521]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  474.004462]  ? rcu_softirq_qs+0x20/0x20
[  474.008452]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  474.013401]  shrink_node_memcg+0x803/0x18f0
[  474.017745]  ? shrink_active_list+0x1c20/0x1c20
[  474.022428]  ? lock_downgrade+0x900/0x900
[  474.026587]  ? check_flush_dependency+0x410/0x410
[  474.031443]  ? kasan_check_read+0x11/0x20
[  474.035603]  ? ___preempt_schedule+0x16/0x18
[  474.040032]  ? _raw_spin_unlock+0x3f/0x50
[  474.044190]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  474.049387]  shrink_node+0x3bc/0x16b0
[  474.053196]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  474.058506]  ? shrink_node_memcg+0x18f0/0x18f0
[  474.063093]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  474.067683]  ? trace_hardirqs_on+0xbd/0x310
[  474.072009]  ? vmpressure+0x271/0x340
[  474.075821]  ? do_raw_spin_trylock+0x270/0x270
[  474.080414]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  474.085977]  ? __cpuset_node_allowed+0x19b/0x660
[  474.090748]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  474.096460]  ? vmpressure+0x1a2/0x340
[  474.100275]  do_try_to_free_pages+0x3e7/0x1290
[  474.104856]  ? zap_class+0x640/0x640
[  474.108588]  ? shrink_node+0x16b0/0x16b0
[  474.112658]  ? __lock_is_held+0xb5/0x140
[  474.116738]  try_to_free_pages+0x4d0/0xb90
[  474.120980]  ? do_try_to_free_pages+0x1290/0x1290
[  474.125833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.131384]  ? lock_acquire+0x1ed/0x520
[  474.135364]  ? set_page_refcounted+0x280/0x280
[  474.139955]  ? lock_release+0xa00/0xa00
[  474.143947]  ? perf_trace_sched_process_exec+0x860/0x860
[  474.149412]  __alloc_pages_slowpath+0x9c4/0x2d70
[  474.154205]  ? warn_alloc+0x120/0x120
[  474.158018]  ? rcu_softirq_qs+0x20/0x20
[  474.162034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.167577]  ? should_fail+0x22d/0xd01
[  474.171476]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  474.176585]  ? zap_class+0x640/0x640
[  474.180335]  ? __lock_is_held+0xb5/0x140
[  474.184408]  ? mark_held_locks+0x130/0x130
[  474.188654]  ? lock_release+0xa00/0xa00
[  474.192634]  ? perf_trace_sched_process_exec+0x860/0x860
[  474.198101]  ? __might_sleep+0x95/0x190
[  474.202083]  __alloc_pages_nodemask+0xa80/0xde0
[  474.206766]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  474.211792]  ? __page_cache_alloc+0x191/0x5c0
[  474.216293]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  474.221226]  ? kasan_check_read+0x11/0x20
[  474.225378]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  474.230670]  ? zap_class+0x640/0x640
[  474.234394]  ? zap_class+0x640/0x640
[  474.238113]  ? zap_class+0x640/0x640
[  474.241830]  ? __do_page_cache_readahead+0x7ce/0x980
[  474.246941]  ? find_held_lock+0x36/0x1c0
[  474.251015]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  474.256564]  alloc_pages_current+0x173/0x350
[  474.260983]  __page_cache_alloc+0x38c/0x5c0
[  474.265315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  474.270255]  ? kasan_check_read+0x11/0x20
[  474.274410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  474.279696]  ? generic_perform_write+0x6a0/0x6a0
[  474.284459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.290022]  ? check_preemption_disabled+0x48/0x280
[  474.295051]  filemap_fault+0x1594/0x25f0
[  474.299135]  ? __lock_page_or_retry+0xa00/0xa00
[  474.303813]  ? mark_held_locks+0x130/0x130
[  474.308058]  ? rcu_softirq_qs+0x20/0x20
[  474.312050]  ? filemap_map_pages+0xe04/0x1990
[  474.316558]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  474.321153]  ? __free_object+0x173/0x340
[  474.325215]  ? debug_object_free+0x36f/0x690
[  474.329628]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  474.334567]  ? trace_hardirqs_off_caller+0x310/0x310
[  474.339685]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  474.344372]  ? queue_work_on+0x12c/0x1e0
[  474.348443]  ? debug_object_free+0x36f/0x690
[  474.352858]  ? kasan_check_read+0x11/0x20
[  474.357019]  ? debug_object_destroy+0x2b0/0x2b0
[  474.361704]  ? lock_pi_update_atomic+0x150/0x150
[  474.366460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.372010]  ? __hrtimer_init+0xdb/0x240
[  474.376085]  ? lock_acquire+0x1ed/0x520
[  474.380067]  ? ext4_filemap_fault+0x7a/0xad
[  474.384402]  ? lock_release+0xa00/0xa00
[  474.388378]  ? perf_trace_sched_process_exec+0x860/0x860
[  474.393834]  ? print_usage_bug+0xc0/0xc0
[  474.397899]  ? print_usage_bug+0xc0/0xc0
[  474.401976]  ? down_read+0x8d/0x120
[  474.405607]  ? ext4_filemap_fault+0x7a/0xad
[  474.409931]  ? __down_interruptible+0x700/0x700
[  474.414615]  ext4_filemap_fault+0x82/0xad
[  474.418772]  __do_fault+0x100/0x6b0
[  474.422407]  ? pmd_devmap_trans_unstable+0x220/0x220
[  474.427514]  ? mark_held_locks+0x130/0x130
[  474.431755]  ? mark_held_locks+0x130/0x130
[  474.436010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.441561]  __handle_mm_fault+0x307c/0x5920
[  474.445975]  ? perf_trace_lock+0x7a0/0x7a0
[  474.450231]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  474.455087]  ? __switch_to_asm+0x34/0x70
[  474.459155]  ? __switch_to_asm+0x34/0x70
[  474.463239]  ? zap_class+0x640/0x640
[  474.466959]  ? zap_class+0x640/0x640
[  474.470685]  ? __x64_sys_futex+0x53e/0x6a0
[  474.474929]  ? find_held_lock+0x36/0x1c0
[  474.479012]  ? handle_mm_fault+0x42a/0xc70
[  474.483256]  ? lock_downgrade+0x900/0x900
[  474.487410]  ? check_preemption_disabled+0x48/0x280
[  474.492444]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  474.497380]  ? kasan_check_read+0x11/0x20
[  474.501540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  474.506823]  ? rcu_softirq_qs+0x20/0x20
[  474.510800]  ? trace_hardirqs_off_caller+0x310/0x310
[  474.515910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.521450]  ? check_preemption_disabled+0x48/0x280
[  474.526483]  handle_mm_fault+0x54f/0xc70
[  474.530551]  ? __handle_mm_fault+0x5920/0x5920
[  474.535140]  ? find_vma+0x34/0x190
[  474.538688]  __do_page_fault+0x5e8/0xe60
[  474.542749]  ? trace_hardirqs_off+0xb8/0x310
[  474.547172]  do_page_fault+0xf2/0x7e0
[  474.550981]  ? vmalloc_sync_all+0x30/0x30
[  474.555162]  ? error_entry+0x70/0xd0
[  474.558885]  ? trace_hardirqs_off_caller+0xbb/0x310
[  474.563905]  ? trace_hardirqs_on_caller+0xc0/0x310
[  474.568837]  ? syscall_return_slowpath+0x5e0/0x5e0
[  474.573769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  474.578790]  ? trace_hardirqs_on_caller+0x310/0x310
[  474.583812]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  474.589816]  ? prepare_exit_to_usermode+0x291/0x3b0
[  474.594838]  ? page_fault+0x8/0x30
[  474.598390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  474.603241]  ? page_fault+0x8/0x30
[  474.606787]  page_fault+0x1e/0x30
[  474.610245] RIP: 0033:0x45ddf3
[  474.613456] Code: Bad RIP value.
[  474.616820] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  474.622193] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  474.629463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  474.636740] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  474.644012] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  474.651283] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  474.658589] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  474.658595] warn_alloc_show_mem: 1 callbacks suppressed
[  474.658603] Mem-Info:
[  474.665531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  474.670903] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  474.670903]  active_file:15 inactive_file:12 isolated_file:0
[  474.670903]  unevictable:0 dirty:0 writeback:0 unstable:0
[  474.670903]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  474.670903]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  474.670903]  free:13694 free_pcp:0 free_cma:0
[  474.673283] Call Trace:
[  474.682649] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  474.682689] Node 0 
[  474.715574]  <IRQ>
[  474.718184] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  474.745837]  dump_stack+0x244/0x39d
[  474.748058] lowmem_reserve[]:
[  474.750217]  ? dump_stack_print_info.cold.1+0x20/0x20
[  474.775686]  0 2819
[  474.779346]  warn_alloc.cold.117+0xb7/0x1bd
[  474.782417]  6323
[  474.787607]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  474.789826]  6323
[  474.794148]  ? lock_downgrade+0x900/0x900
[  474.801041]  ? trace_hardirqs_off+0xb8/0x310
[  474.803084] Node 0 
[  474.807245]  ? trace_hardirqs_off+0xb8/0x310
[  474.811654] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  474.813867]  __alloc_pages_slowpath+0x2660/0x2d70
[  474.818251] lowmem_reserve[]:
[  474.844993]  ? warn_alloc+0x120/0x120
[  474.849803]  0
[  474.852907]  ? warn_alloc+0x120/0x120
[  474.856687]  0
[  474.858498]  ? print_usage_bug+0xc0/0xc0
[  474.862272]  3503
[  474.864074]  ? warn_alloc+0x120/0x120
[  474.868116]  3503
[  474.870178]  ? print_usage_bug+0xc0/0xc0
[  474.876038]  ? __lock_acquire+0x62f/0x4c20
[  474.880080] Node 0 
[  474.884308]  ? __lock_acquire+0x62f/0x4c20
[  474.884346] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  474.886558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.890771] lowmem_reserve[]:
[  474.918883]  ? should_fail+0x22d/0xd01
[  474.924397]  0
[  474.927511]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  474.931377]  0
[  474.933182]  ? __lock_acquire+0x62f/0x4c20
[  474.938266]  0
[  474.940072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  474.944285]  0
[  474.946090]  ? __lock_acquire+0x62f/0x4c20
[  474.951175] Node 0 
[  474.952983]  ? should_fail+0x22d/0xd01
[  474.957193] DMA: 1*4kB 
[  474.959454]  ? mark_held_locks+0x130/0x130
[  474.963313] (U) 
[  474.965899]  ? mark_held_locks+0x130/0x130
[  474.970114] 0*8kB 
[  474.972090]  ? zap_class+0x640/0x640
[  474.976300] 0*16kB 
[  474.978446]  ? print_usage_bug+0xc0/0xc0
[  474.982140] 1*32kB 
[  474.984380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.988417] (U) 
[  474.990655]  ? check_preemption_disabled+0x48/0x280
[  474.996172] 2*64kB 
[  474.998159]  ? __lock_is_held+0xb5/0x140
[  475.003151] (U) 
[  475.005390]  __alloc_pages_nodemask+0xa80/0xde0
[  475.009436] 1*128kB 
[  475.011408]  ? zap_class+0x640/0x640
[  475.016057] (U) 
[  475.018381]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  475.022076] 1*256kB 
[  475.024062]  ? find_held_lock+0x36/0x1c0
[  475.029050] (U) 
[  475.031379]  ? ____cache_alloc_node+0x1c7/0x1e0
[  475.035413] 0*512kB 
[  475.037386]  ? lock_downgrade+0x900/0x900
[  475.042034] 1*1024kB 
[  475.044360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.048476] (U) 1*2048kB 
[  475.050909]  cache_grow_begin+0xa5/0x8c0
[  475.056423] (M) 
[  475.059182]  ? do_raw_spin_unlock+0xa7/0x330
[  475.063222] 3*4096kB 
[  475.065209]  fallback_alloc+0x204/0x2e0
[  475.069591] (M) 
[  475.072008]  ____cache_alloc_node+0x1c7/0x1e0
[  475.075964] = 15908kB
[  475.077940]  kmem_cache_alloc_node+0xe3/0x730
[  475.082417] Node 0 
[  475.084829]  ? ipv6_get_ifaddr+0x42e/0x620
[  475.089319] DMA32: 
[  475.091558]  __alloc_skb+0x119/0x770
[  475.095766] 2*4kB 
[  475.098014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  475.101706] (M) 
[  475.103860]  ? netdev_alloc_frag+0x1f0/0x1f0
[  475.109122] 3*8kB 
[  475.111099]  ? lock_downgrade+0x900/0x900
[  475.115487] (UM) 
[  475.117646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.121774] 3*16kB 
[  475.123838]  ? refcount_sub_and_test_checked+0x203/0x310
[  475.129359] (UM) 
[  475.131596]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  475.137024] 4*32kB 
[  475.139090]  ? addrconf_rs_timer+0x690/0x690
[  475.144525] (UM) 
[  475.146774]  ndisc_alloc_skb+0x144/0x340
[  475.151158] 5*64kB 
[  475.153228]  ndisc_send_rs+0x331/0x6e0
[  475.157272] (UM) 
[  475.159515]  addrconf_rs_timer+0x314/0x690
[  475.163384] 4*128kB 
[  475.165450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.169660] (M) 
[  475.171992]  call_timer_fn+0x272/0x920
[  475.176206] 5*256kB (UM) 
[  475.178193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.182062] 5*512kB 
[  475.184817]  ? process_timeout+0x40/0x40
[  475.189032] (UM) 
[  475.191363]  ? __run_timers+0x7da/0xc70
[  475.195398] 4*1024kB 
[  475.197464]  ? _raw_spin_unlock_irq+0x27/0x80
[  475.201414] (UM) 
[  475.203828]  ? _raw_spin_unlock_irq+0x27/0x80
[  475.208305] 2*2048kB 
[  475.210364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.210381]  ? lockdep_hardirqs_on+0x296/0x5b0
[  475.214861] (M) 
[  475.217275]  ? trace_hardirqs_on+0xbd/0x310
[  475.221500] 3*4096kB 
[  475.226080]  ? kasan_check_read+0x11/0x20
[  475.228040] (M) 
[  475.232360]  ? __run_timers+0x7da/0xc70
[  475.234751] = 25360kB
[  475.238893]  ? trace_hardirqs_off_caller+0x310/0x310
[  475.240850] Node 0 
[  475.244832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.247215] Normal: 
[  475.252318]  __run_timers+0x7e5/0xc70
[  475.254537] 783*4kB 
[  475.258780]  ? timer_fixup_init+0x70/0x70
[  475.261078] (UMEH) 
[  475.264876]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  475.267180] 379*8kB 
[  475.271363]  ? zap_class+0x640/0x640
[  475.273581] (MEH) 
[  475.278605]  ? enqueue_hrtimer+0x1a5/0x560
[  475.280908] 205*16kB 
[  475.284621]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  475.286752] (UMEH) 
[  475.290987]  ? find_held_lock+0x36/0x1c0
[  475.293384] 93*32kB 
[  475.298570]  ? zap_class+0x640/0x640
[  475.300790] (UMEH) 
[  475.304851]  ? pvclock_read_flags+0x160/0x160
[  475.307154] 24*64kB 
[  475.310996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.313217] (UMH) 
[  475.317713]  ? check_preemption_disabled+0x48/0x280
[  475.320024] 1*128kB 
[  475.325566]  ? __lock_is_held+0xb5/0x140
[  475.327688] (H) 0*256kB 
[  475.332712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.335023] 0*512kB 
[  475.339081]  ? check_preemption_disabled+0x48/0x280
[  475.341735] 0*1024kB 
[  475.347272]  run_timer_softirq+0x52/0xb0
[  475.349574] 0*2048kB 
[  475.354586]  ? rcu_read_lock_sched_held+0x14f/0x180
[  475.356977] 0*4096kB 
[  475.361038]  __do_softirq+0x308/0xb7e
[  475.363432] = 14084kB
[  475.368446]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  475.370844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  475.374634]  ? lock_downgrade+0x900/0x900
[  475.377038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  475.381530]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  475.390341] 1070 total pagecache pages
[  475.394500]  ? pvclock_read_flags+0x160/0x160
[  475.403053] 0 pages in swap cache
[  475.408147]  ? lapic_next_event+0x5a/0x90
[  475.412018] Swap cache stats: add 0, delete 0, find 0/0
[  475.416507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.419938] Free swap  = 0kB
[  475.424084]  ? kvm_clock_read+0x18/0x30
[  475.429429] Total swap = 0kB
[  475.434967]  ? kvm_sched_clock_read+0x9/0x20
[  475.437968] 1965979 pages RAM
[  475.441940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.444942] 0 pages HighMem/MovableOnly
[  475.449347]  ? check_preemption_disabled+0x48/0x280
[  475.452431] 342293 pages reserved
[  475.457980]  irq_exit+0x17f/0x1c0
[  475.461931] 0 pages cma reserved
[  475.466951]  smp_apic_timer_interrupt+0x1cb/0x760
[  475.470460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  475.473836]  ? smp_reschedule_interrupt+0x109/0x650
[  475.477276] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  475.482264]  ? smp_call_function_single_interrupt+0x650/0x650
[  475.488743] syz-fuzzer cpuset=
[  475.493759]  ? interrupt_entry+0xb5/0xc0
[  475.503963] /
[  475.509846]  ? trace_hardirqs_off_caller+0xbb/0x310
[  475.513022]  mems_allowed=0
[  475.517081]  ? trace_hardirqs_off_caller+0xbb/0x310
[  475.531719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.536563]  ? trace_hardirqs_on_caller+0x310/0x310
[  475.541581]  ? trace_hardirqs_on_caller+0x310/0x310
[  475.546612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.551472]  apic_timer_interrupt+0xf/0x20
[  475.555707]  </IRQ>
[  475.557949] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  475.562885] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  475.581810] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  475.589524] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  475.596792] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  475.604064] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  475.611332] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  475.618600] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  475.625914]  skb_clone+0x1bb/0x500
[  475.629457]  ? finish_task_switch+0x1b4/0x910
[  475.633962]  ? skb_split+0x11e0/0x11e0
[  475.637852]  ? preempt_notifier_register+0x200/0x200
[  475.642957]  ? __switch_to_asm+0x34/0x70
[  475.647018]  ? __switch_to_asm+0x34/0x70
[  475.651082]  ? __switch_to_asm+0x40/0x70
[  475.655146]  ? __switch_to_asm+0x34/0x70
[  475.659219]  ? __switch_to_asm+0x40/0x70
[  475.663286]  ? __switch_to_asm+0x34/0x70
[  475.667348]  ? __switch_to_asm+0x40/0x70
[  475.671414]  ? __switch_to_asm+0x34/0x70
[  475.675480]  ? __switch_to_asm+0x34/0x70
[  475.679551]  ? __switch_to_asm+0x40/0x70
[  475.683619]  ? __switch_to_asm+0x34/0x70
[  475.687691]  bpf_clone_redirect+0xb9/0x490
[  475.691933]  ? __schedule+0x8d7/0x21d0
[  475.695829]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  475.700852]  ? __sched_text_start+0x8/0x8
[  475.705014]  ? find_held_lock+0x36/0x1c0
[  475.709090]  ? lock_acquire+0x1ed/0x520
[  475.713071]  ? bpf_test_run+0x3cb/0x780
[  475.717052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.722597]  ? check_preemption_disabled+0x48/0x280
[  475.727631]  ? kasan_check_read+0x11/0x20
[  475.731786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  475.737069]  ? rcu_softirq_qs+0x20/0x20
[  475.741055]  ? preempt_schedule+0x4d/0x60
[  475.745217]  ? ___preempt_schedule+0x16/0x18
[  475.749637]  ? bpf_test_run+0x25d/0x780
[  475.753630]  ? netlink_diag_dump+0x2a0/0x2a0
[  475.758043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.763582]  ? bpf_test_init.isra.10+0x70/0x100
[  475.768264]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  475.773035]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  475.777878]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  475.783422]  ? fput+0x130/0x1a0
[  475.786708]  ? __bpf_prog_get+0x9b/0x290
[  475.790779]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  475.795626]  ? bpf_prog_test_run+0x130/0x1a0
[  475.800052]  ? __x64_sys_bpf+0x3d8/0x520
[  475.804129]  ? bpf_prog_get+0x20/0x20
[  475.807959]  ? do_syscall_64+0x1b9/0x820
[  475.812027]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  475.817396]  ? syscall_return_slowpath+0x5e0/0x5e0
[  475.822340]  ? trace_hardirqs_on_caller+0x310/0x310
[  475.827364]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  475.832384]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  475.839058]  ? __switch_to_asm+0x40/0x70
[  475.843119]  ? __switch_to_asm+0x34/0x70
[  475.847191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.852056]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  475.857445] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  475.857519] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  475.864031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  475.864041] Call Trace:
[  475.870611] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  475.879870]  <IRQ>
[  475.882444] syz-executor1 cpuset=
[  475.892929]  dump_stack+0x244/0x39d
[  475.895062] syz1
[  475.898513]  ? dump_stack_print_info.cold.1+0x20/0x20
[  475.902121]  mems_allowed=0
[  475.904104]  warn_alloc.cold.117+0xb7/0x1bd
[  475.916510]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  475.921365]  ? lock_downgrade+0x900/0x900
[  475.925529]  ? trace_hardirqs_off+0xb8/0x310
[  475.929951]  ? trace_hardirqs_off+0xb8/0x310
[  475.934372]  __alloc_pages_slowpath+0x2660/0x2d70
[  475.939250]  ? warn_alloc+0x120/0x120
[  475.943064]  ? warn_alloc+0x120/0x120
[  475.946869]  ? print_usage_bug+0xc0/0xc0
[  475.950934]  ? warn_alloc+0x120/0x120
[  475.954738]  ? print_usage_bug+0xc0/0xc0
[  475.958803]  ? __lock_acquire+0x62f/0x4c20
[  475.963043]  ? __lock_acquire+0x62f/0x4c20
[  475.967289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.972830]  ? should_fail+0x22d/0xd01
[  475.976727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  475.982028]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  475.987140]  ? __lock_acquire+0x62f/0x4c20
[  475.991385]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  475.996489]  ? __lock_acquire+0x62f/0x4c20
[  476.000731]  ? should_fail+0x22d/0xd01
[  476.004627]  ? rcu_irq_exit+0x1a2/0x390
[  476.008617]  ? mark_held_locks+0x130/0x130
[  476.012859]  ? mark_held_locks+0x130/0x130
[  476.017105]  ? mark_held_locks+0xc7/0x130
[  476.021259]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  476.026282]  ? zap_class+0x640/0x640
[  476.030002]  ? print_usage_bug+0xc0/0xc0
[  476.034076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.039619]  ? check_preemption_disabled+0x48/0x280
[  476.044651]  ? __lock_is_held+0xb5/0x140
[  476.048733]  __alloc_pages_nodemask+0xa80/0xde0
[  476.053407]  ? zap_class+0x640/0x640
[  476.057130]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  476.062167]  ? find_held_lock+0x36/0x1c0
[  476.066242]  ? ____cache_alloc_node+0x1c7/0x1e0
[  476.070919]  ? lock_downgrade+0x900/0x900
[  476.075079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.080628]  cache_grow_begin+0xa5/0x8c0
[  476.084692]  ? do_raw_spin_unlock+0xa7/0x330
[  476.089112]  fallback_alloc+0x204/0x2e0
[  476.093098]  ____cache_alloc_node+0x1c7/0x1e0
[  476.097602]  kmem_cache_alloc_node+0xe3/0x730
[  476.102101]  ? ipv6_get_ifaddr+0x42e/0x620
[  476.106357]  __alloc_skb+0x119/0x770
[  476.110075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.115361]  ? netdev_alloc_frag+0x1f0/0x1f0
[  476.119774]  ? lock_downgrade+0x900/0x900
[  476.123937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.129479]  ? refcount_sub_and_test_checked+0x203/0x310
[  476.134944]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  476.140399]  ? addrconf_rs_timer+0x690/0x690
[  476.144825]  ndisc_alloc_skb+0x144/0x340
[  476.148897]  ndisc_send_rs+0x331/0x6e0
[  476.152813]  addrconf_rs_timer+0x314/0x690
[  476.157063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.161322]  call_timer_fn+0x272/0x920
[  476.165213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.169457]  ? process_timeout+0x40/0x40
[  476.173536]  ? mark_held_locks+0xc7/0x130
[  476.177694]  ? _raw_spin_unlock_irq+0x27/0x80
[  476.182192]  ? _raw_spin_unlock_irq+0x27/0x80
[  476.186687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.190927]  ? lockdep_hardirqs_on+0x296/0x5b0
[  476.195519]  ? trace_hardirqs_on+0xbd/0x310
[  476.199849]  ? kasan_check_read+0x11/0x20
[  476.204010]  ? __run_timers+0x7da/0xc70
[  476.208000]  ? trace_hardirqs_off_caller+0x310/0x310
[  476.213113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.217362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.221604]  __run_timers+0x7e5/0xc70
[  476.225429]  ? timer_fixup_init+0x70/0x70
[  476.229583]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  476.234609]  ? zap_class+0x640/0x640
[  476.238335]  ? print_usage_bug+0xc0/0xc0
[  476.242408]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  476.247608]  ? find_held_lock+0x36/0x1c0
[  476.251677]  ? zap_class+0x640/0x640
[  476.255400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.260942]  ? check_preemption_disabled+0x48/0x280
[  476.265970]  ? __lock_is_held+0xb5/0x140
[  476.270045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.275592]  ? check_preemption_disabled+0x48/0x280
[  476.280621]  run_timer_softirq+0x52/0xb0
[  476.284686]  ? rcu_read_lock_sched_held+0x14f/0x180
[  476.289709]  __do_softirq+0x308/0xb7e
[  476.293518]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  476.298032]  ? lock_downgrade+0x900/0x900
[  476.302194]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  476.307312]  ? pvclock_read_flags+0x160/0x160
[  476.311816]  ? lapic_next_event+0x5a/0x90
[  476.315969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.321522]  ? kvm_clock_read+0x18/0x30
[  476.325500]  ? kvm_sched_clock_read+0x9/0x20
[  476.329916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.335461]  ? check_preemption_disabled+0x48/0x280
[  476.340495]  irq_exit+0x17f/0x1c0
[  476.343963]  smp_apic_timer_interrupt+0x1cb/0x760
[  476.348821]  ? smp_call_function_single_interrupt+0x650/0x650
[  476.354728]  ? interrupt_entry+0xb5/0xc0
[  476.358796]  ? trace_hardirqs_off_caller+0xbb/0x310
[  476.363816]  ? trace_hardirqs_off_caller+0xbb/0x310
[  476.368835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.373680]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.378697]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.383718]  ? task_prio+0x50/0x50
[  476.387262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.392822]  ? check_preemption_disabled+0x48/0x280
[  476.397851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.402710]  apic_timer_interrupt+0xf/0x20
[  476.406944]  </IRQ>
[  476.409191] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  476.414299] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  476.433205] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  476.440922] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  476.448191] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  476.455464] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  476.462743] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  476.470030] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  476.477346]  shrink_active_list+0x67b/0x1c20
[  476.481762]  ? free_unref_page_list+0xd1b/0x11e0
[  476.486538]  ? shrink_inactive_list+0xa4a/0x1c60
[  476.491306]  ? zap_class+0x60f/0x640
[  476.495116]  ? shrink_inactive_list+0x1c60/0x1c60
[  476.499975]  ? _raw_spin_unlock_irq+0x27/0x80
[  476.504497]  ? find_held_lock+0x36/0x1c0
[  476.508564]  ? __page_frag_cache_drain+0x200/0x200
[  476.513499]  ? print_usage_bug+0xc0/0xc0
[  476.517578]  ? find_held_lock+0x36/0x1c0
[  476.521654]  ? zap_class+0x640/0x640
[  476.525374]  ? mark_held_locks+0xc7/0x130
[  476.529529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.535070]  ? check_preemption_disabled+0x48/0x280
[  476.540102]  ? zap_class+0x640/0x640
[  476.543819]  ? __lock_is_held+0xb5/0x140
[  476.547891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.553435]  ? check_preemption_disabled+0x48/0x280
[  476.558469]  ? __lock_is_held+0xb5/0x140
[  476.562548]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  476.567569]  ? inactive_list_is_low+0x305/0x880
[  476.572255]  ? lruvec_lru_size+0x450/0x450
[  476.576494]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  476.581442]  ? rcu_softirq_qs+0x20/0x20
[  476.585427]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  476.590861]  shrink_node_memcg+0x803/0x18f0
[  476.595220]  ? shrink_active_list+0x1c20/0x1c20
[  476.599907]  ? lock_downgrade+0x900/0x900
[  476.604067]  ? check_flush_dependency+0x410/0x410
[  476.608925]  ? kasan_check_read+0x11/0x20
[  476.613086]  ? ___preempt_schedule+0x16/0x18
[  476.617509]  ? _raw_spin_unlock+0x3f/0x50
[  476.621670]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  476.626870]  shrink_node+0x3bc/0x16b0
[  476.630684]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  476.636000]  ? shrink_node_memcg+0x18f0/0x18f0
[  476.640587]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  476.645176]  ? trace_hardirqs_on+0xbd/0x310
[  476.649517]  ? vmpressure+0x271/0x340
[  476.653328]  ? do_raw_spin_trylock+0x270/0x270
[  476.657920]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  476.663462]  ? __cpuset_node_allowed+0x19b/0x660
[  476.668239]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  476.673954]  ? vmpressure+0x1a2/0x340
[  476.677773]  do_try_to_free_pages+0x3e7/0x1290
[  476.682359]  ? zap_class+0x640/0x640
[  476.686116]  ? shrink_node+0x16b0/0x16b0
[  476.690186]  ? __lock_is_held+0xb5/0x140
[  476.694274]  try_to_free_pages+0x4d0/0xb90
[  476.698526]  ? do_try_to_free_pages+0x1290/0x1290
[  476.703376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.708930]  ? lock_acquire+0x1ed/0x520
[  476.712916]  ? set_page_refcounted+0x280/0x280
[  476.717508]  ? lock_release+0xa00/0xa00
[  476.721503]  ? perf_trace_sched_process_exec+0x860/0x860
[  476.726977]  __alloc_pages_slowpath+0x9c4/0x2d70
[  476.731775]  ? warn_alloc+0x120/0x120
[  476.735583]  ? rcu_softirq_qs+0x20/0x20
[  476.739617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.745164]  ? should_fail+0x22d/0xd01
[  476.749072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.754183]  ? zap_class+0x640/0x640
[  476.757935]  ? __lock_is_held+0xb5/0x140
[  476.762013]  ? mark_held_locks+0x130/0x130
[  476.766260]  ? lock_release+0xa00/0xa00
[  476.770245]  ? perf_trace_sched_process_exec+0x860/0x860
[  476.775718]  ? __might_sleep+0x95/0x190
[  476.779728]  __alloc_pages_nodemask+0xa80/0xde0
[  476.784429]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  476.789450]  ? __page_cache_alloc+0x191/0x5c0
[  476.793948]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  476.798882]  ? kasan_check_read+0x11/0x20
[  476.803035]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.808325]  ? zap_class+0x640/0x640
[  476.812052]  ? zap_class+0x640/0x640
[  476.815769]  ? zap_class+0x640/0x640
[  476.819488]  ? __do_page_cache_readahead+0x7ce/0x980
[  476.824601]  ? find_held_lock+0x36/0x1c0
[  476.828676]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  476.834233]  alloc_pages_current+0x173/0x350
[  476.838660]  __page_cache_alloc+0x38c/0x5c0
[  476.842996]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  476.847929]  ? kasan_check_read+0x11/0x20
[  476.852086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.857367]  ? generic_perform_write+0x6a0/0x6a0
[  476.862127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.867670]  ? check_preemption_disabled+0x48/0x280
[  476.872703]  filemap_fault+0x1594/0x25f0
[  476.876784]  ? __lock_page_or_retry+0xa00/0xa00
[  476.881460]  ? mark_held_locks+0x130/0x130
[  476.885699]  ? rcu_softirq_qs+0x20/0x20
[  476.889692]  ? filemap_map_pages+0xe04/0x1990
[  476.894217]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  476.898807]  ? __free_object+0x173/0x340
[  476.902868]  ? debug_object_free+0x36f/0x690
[  476.907282]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  476.912225]  ? trace_hardirqs_off_caller+0x310/0x310
[  476.917342]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  476.922026]  ? queue_work_on+0x12c/0x1e0
[  476.926098]  ? debug_object_free+0x36f/0x690
[  476.930508]  ? kasan_check_read+0x11/0x20
[  476.934688]  ? debug_object_destroy+0x2b0/0x2b0
[  476.939364]  ? lock_pi_update_atomic+0x150/0x150
[  476.944126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.949673]  ? __hrtimer_init+0xdb/0x240
[  476.953754]  ? lock_acquire+0x1ed/0x520
[  476.957738]  ? ext4_filemap_fault+0x7a/0xad
[  476.962068]  ? lock_release+0xa00/0xa00
[  476.966046]  ? perf_trace_sched_process_exec+0x860/0x860
[  476.971505]  ? print_usage_bug+0xc0/0xc0
[  476.975572]  ? print_usage_bug+0xc0/0xc0
[  476.979651]  ? down_read+0x8d/0x120
[  476.983282]  ? ext4_filemap_fault+0x7a/0xad
[  476.987607]  ? __down_interruptible+0x700/0x700
[  476.992293]  ext4_filemap_fault+0x82/0xad
[  476.996449]  __do_fault+0x100/0x6b0
[  477.000086]  ? pmd_devmap_trans_unstable+0x220/0x220
[  477.005195]  ? mark_held_locks+0x130/0x130
[  477.009445]  ? mark_held_locks+0x130/0x130
[  477.013695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.019261]  __handle_mm_fault+0x307c/0x5920
[  477.023675]  ? perf_trace_lock+0x7a0/0x7a0
[  477.027927]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  477.032789]  ? __switch_to_asm+0x34/0x70
[  477.036855]  ? __switch_to_asm+0x34/0x70
[  477.040934]  ? zap_class+0x640/0x640
[  477.044655]  ? zap_class+0x640/0x640
[  477.048378]  ? __x64_sys_futex+0x53e/0x6a0
[  477.052623]  ? find_held_lock+0x36/0x1c0
[  477.056700]  ? handle_mm_fault+0x42a/0xc70
[  477.060953]  ? lock_downgrade+0x900/0x900
[  477.065108]  ? check_preemption_disabled+0x48/0x280
[  477.070139]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  477.075073]  ? kasan_check_read+0x11/0x20
[  477.079240]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  477.084528]  ? rcu_softirq_qs+0x20/0x20
[  477.088508]  ? trace_hardirqs_off_caller+0x310/0x310
[  477.093616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.099161]  ? check_preemption_disabled+0x48/0x280
[  477.104211]  handle_mm_fault+0x54f/0xc70
[  477.108283]  ? __handle_mm_fault+0x5920/0x5920
[  477.112878]  ? find_vma+0x34/0x190
[  477.116429]  __do_page_fault+0x5e8/0xe60
[  477.120493]  ? trace_hardirqs_off+0xb8/0x310
[  477.124922]  do_page_fault+0xf2/0x7e0
[  477.128731]  ? vmalloc_sync_all+0x30/0x30
[  477.132887]  ? error_entry+0x70/0xd0
[  477.136606]  ? trace_hardirqs_off_caller+0xbb/0x310
[  477.141623]  ? trace_hardirqs_on_caller+0xc0/0x310
[  477.146559]  ? syscall_return_slowpath+0x5e0/0x5e0
[  477.151492]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  477.156339]  ? trace_hardirqs_on_caller+0x310/0x310
[  477.161357]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  477.166817]  ? prepare_exit_to_usermode+0x291/0x3b0
[  477.171839]  ? page_fault+0x8/0x30
[  477.175391]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  477.180247]  ? page_fault+0x8/0x30
[  477.183795]  page_fault+0x1e/0x30
[  477.187252] RIP: 0033:0x45ddf3
[  477.190460] Code: Bad RIP value.
[  477.193825] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  477.199195] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  477.206483] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  477.213771] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  477.221040] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  477.228314] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  477.235613] warn_alloc_show_mem: 1 callbacks suppressed
[  477.235625] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  477.235628] Mem-Info:
[  477.235658] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  477.235658]  active_file:15 inactive_file:12 isolated_file:0
[  477.235658]  unevictable:0 dirty:0 writeback:0 unstable:0
[  477.235658]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  477.235658]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  477.235658]  free:13694 free_pcp:0 free_cma:0
[  477.241010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  477.247948] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  477.250357] Call Trace:
[  477.283231] Node 0 
[  477.292577]  <IRQ>
[  477.320261] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  477.322827]  dump_stack+0x244/0x39d
[  477.325041] lowmem_reserve[]:
[  477.327194]  ? dump_stack_print_info.cold.1+0x20/0x20
[  477.352687]  0
[  477.356323]  warn_alloc.cold.117+0xb7/0x1bd
[  477.359403]  2819
[  477.364594]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  477.366380]  6323
[  477.370700]  ? lock_downgrade+0x900/0x900
[  477.372744]  6323
[  477.377591]  ? trace_hardirqs_off+0xb8/0x310
[  477.383784]  ? trace_hardirqs_off+0xb8/0x310
[  477.385831] Node 0 
[  477.390248]  __alloc_pages_slowpath+0x2660/0x2d70
[  477.394661] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  477.396896]  ? warn_alloc+0x120/0x120
[  477.401693] lowmem_reserve[]:
[  477.428414]  ? warn_alloc+0x120/0x120
[  477.432195]  0
[  477.435310]  ? print_usage_bug+0xc0/0xc0
[  477.439094]  0
[  477.440900]  ? warn_alloc+0x120/0x120
[  477.444942]  3503
[  477.446745]  ? print_usage_bug+0xc0/0xc0
[  477.450526]  3503
[  477.452593]  ? __lock_acquire+0x62f/0x4c20
[  477.458707]  ? __lock_acquire+0x62f/0x4c20
[  477.462925] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  477.467194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.467223]  ? should_fail+0x22d/0xd01
[  477.496120] lowmem_reserve[]: 0
[  477.501679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  477.505543]  0
[  477.508826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  477.514072]  0 0
[  477.515889]  ? __lock_acquire+0x62f/0x4c20
[  477.522948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  477.527164] Node 0 
[  477.532261]  ? __lock_acquire+0x62f/0x4c20
[  477.532271] DMA: 
[  477.534507]  ? should_fail+0x22d/0xd01
[  477.538726] 1*4kB 
[  477.540793]  ? rcu_irq_exit+0x1a2/0x390
[  477.544664] (U) 
[  477.546821]  ? mark_held_locks+0x130/0x130
[  477.550775] 0*8kB 
[  477.552752]  ? mark_held_locks+0x130/0x130
[  477.556966] 0*16kB 
[  477.559117]  ? mark_held_locks+0xc7/0x130
[  477.563335] 1*32kB 
[  477.565574]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  477.569696] (U) 
[  477.571934]  ? zap_class+0x640/0x640
[  477.576932] 2*64kB 
[  477.578910]  ? print_usage_bug+0xc0/0xc0
[  477.582607] (U) 
[  477.584843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.588888] 1*128kB 
[  477.590864]  ? check_preemption_disabled+0x48/0x280
[  477.596380] (U) 
[  477.598710]  ? __lock_is_held+0xb5/0x140
[  477.603704] 1*256kB 
[  477.605686]  __alloc_pages_nodemask+0xa80/0xde0
[  477.609725] (U) 
[  477.612046]  ? zap_class+0x640/0x640
[  477.616701] 0*512kB 
[  477.618677]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  477.622371] 1*1024kB 
[  477.624701]  ? find_held_lock+0x36/0x1c0
[  477.629688] (U) 
[  477.632109]  ? ____cache_alloc_node+0x1c7/0x1e0
[  477.636147] 1*2048kB 
[  477.638121]  ? lock_downgrade+0x900/0x900
[  477.642774] (M) 
[  477.645189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.649327] 3*4096kB 
[  477.651313]  cache_grow_begin+0xa5/0x8c0
[  477.656830] (M) 
[  477.659244]  ? do_raw_spin_unlock+0xa7/0x330
[  477.663285] = 15908kB
[  477.665270]  fallback_alloc+0x204/0x2e0
[  477.669658] Node 0 
[  477.672073]  ____cache_alloc_node+0x1c7/0x1e0
[  477.676025] DMA32: 
[  477.678266]  kmem_cache_alloc_node+0xe3/0x730
[  477.682740] 2*4kB 
[  477.684975]  ? ipv6_get_ifaddr+0x42e/0x620
[  477.689456] (M) 
[  477.691614]  __alloc_skb+0x119/0x770
[  477.695824] 3*8kB 
[  477.697801]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  477.701500] (UM) 
[  477.703658]  ? netdev_alloc_frag+0x1f0/0x1f0
[  477.708919] 3*16kB 
[  477.710983]  ? lock_downgrade+0x900/0x900
[  477.715374] (UM) 
[  477.717621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.721753] 4*32kB 
[  477.723820]  ? refcount_sub_and_test_checked+0x203/0x310
[  477.729334] (UM) 
[  477.731576]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  477.737009] 5*64kB 
[  477.739081]  ? addrconf_rs_timer+0x690/0x690
[  477.744511] (UM) 
[  477.746754]  ndisc_alloc_skb+0x144/0x340
[  477.751138] 4*128kB 
[  477.753216]  ndisc_send_rs+0x331/0x6e0
[  477.757257] (M) 
[  477.759586]  addrconf_rs_timer+0x314/0x690
[  477.763460] 5*256kB 
[  477.765443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.769656] (UM) 
[  477.771989]  call_timer_fn+0x272/0x920
[  477.776210] 5*512kB 
[  477.778276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.782145] (UM) 
[  477.784468]  ? process_timeout+0x40/0x40
[  477.788686] 4*1024kB 
[  477.790757]  ? __run_timers+0x7da/0xc70
[  477.794793] (UM) 
[  477.797220]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.801168] 2*2048kB (M) 
[  477.803280]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.807746] 3*4096kB 
[  477.810506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.814976] (M) 
[  477.817393]  ? lockdep_hardirqs_on+0x296/0x5b0
[  477.821600] = 25360kB
[  477.821609] Node 0 
[  477.823588]  ? trace_hardirqs_on+0xbd/0x310
[  477.828149] Normal: 
[  477.830565]  ? kasan_check_read+0x11/0x20
[  477.832786] 783*4kB 
[  477.837106]  ? __run_timers+0x7da/0xc70
[  477.839409] (UMEH) 
[  477.843556]  ? trace_hardirqs_off_caller+0x310/0x310
[  477.845863] 379*8kB 
[  477.849833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.852048] (MEH) 
[  477.857150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.859453] 205*16kB 
[  477.863684]  __run_timers+0x7e5/0xc70
[  477.865814] (UMEH) 
[  477.870058]  ? timer_fixup_init+0x70/0x70
[  477.872444] 93*32kB 
[  477.876242]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  477.878465] (UMEH) 
[  477.882617]  ? zap_class+0x640/0x640
[  477.884922] 24*64kB 
[  477.889942]  ? enqueue_hrtimer+0x1a5/0x560
[  477.892157] (UMH) 
[  477.895874]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  477.898174] 1*128kB (H) 
[  477.902429]  ? find_held_lock+0x36/0x1c0
[  477.904559] 0*256kB 
[  477.909747]  ? zap_class+0x640/0x640
[  477.912404] 0*512kB 
[  477.916469]  ? pvclock_read_flags+0x160/0x160
[  477.918771] 0*1024kB 
[  477.922484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.924795] 0*2048kB 
[  477.929288]  ? check_preemption_disabled+0x48/0x280
[  477.931681] 0*4096kB 
[  477.937232]  ? __lock_is_held+0xb5/0x140
[  477.939622] = 14084kB
[  477.944641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.947038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  477.951090]  ? check_preemption_disabled+0x48/0x280
[  477.953487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  477.959021]  run_timer_softirq+0x52/0xb0
[  477.967838] 1070 total pagecache pages
[  477.972857]  ? rcu_read_lock_sched_held+0x14f/0x180
[  477.981425] 0 pages in swap cache
[  477.985480]  __do_softirq+0x308/0xb7e
[  477.989348] Swap cache stats: add 0, delete 0, find 0/0
[  477.994360]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  477.997790] Free swap  = 0kB
[  477.997800] Total swap = 0kB
[  478.001604]  ? lock_downgrade+0x900/0x900
[  478.006950] 1965979 pages RAM
[  478.011447]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  478.014444] 0 pages HighMem/MovableOnly
[  478.017467]  ? pvclock_read_flags+0x160/0x160
[  478.021593] 342293 pages reserved
[  478.024697]  ? lapic_next_event+0x5a/0x90
[  478.029776] 0 pages cma reserved
[  478.029855] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  478.033765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.038440] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  478.041703]  ? kvm_clock_read+0x18/0x30
[  478.045834] syz-fuzzer cpuset=
[  478.049216]  ? kvm_sched_clock_read+0x9/0x20
[  478.055683] /
[  478.061230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.071439]  mems_allowed=0
[  478.075409]  ? check_preemption_disabled+0x48/0x280
[  478.098163]  irq_exit+0x17f/0x1c0
[  478.101639]  smp_apic_timer_interrupt+0x1cb/0x760
[  478.106485]  ? smp_reschedule_interrupt+0x109/0x650
[  478.111521]  ? smp_call_function_single_interrupt+0x650/0x650
[  478.117411]  ? interrupt_entry+0xb5/0xc0
[  478.121482]  ? trace_hardirqs_off_caller+0xbb/0x310
[  478.126512]  ? trace_hardirqs_off_caller+0xbb/0x310
[  478.131534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.136380]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.141403]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.146436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.151295]  apic_timer_interrupt+0xf/0x20
[  478.155528]  </IRQ>
[  478.157773] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  478.162708] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  478.181609] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  478.189321] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  478.196590] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  478.203861] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  478.211135] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  478.218405] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  478.225717]  skb_clone+0x1bb/0x500
[  478.229262]  ? finish_task_switch+0x1b4/0x910
[  478.233760]  ? skb_split+0x11e0/0x11e0
[  478.237652]  ? preempt_notifier_register+0x200/0x200
[  478.242760]  ? __switch_to_asm+0x34/0x70
[  478.246823]  ? __switch_to_asm+0x34/0x70
[  478.250889]  ? __switch_to_asm+0x40/0x70
[  478.254959]  ? __switch_to_asm+0x34/0x70
[  478.259030]  ? __switch_to_asm+0x40/0x70
[  478.263093]  ? __switch_to_asm+0x34/0x70
[  478.267155]  ? __switch_to_asm+0x40/0x70
[  478.271226]  ? __switch_to_asm+0x34/0x70
[  478.275297]  ? __switch_to_asm+0x34/0x70
[  478.279359]  ? __switch_to_asm+0x40/0x70
[  478.283420]  ? __switch_to_asm+0x34/0x70
[  478.287499]  bpf_clone_redirect+0xb9/0x490
[  478.291742]  ? __schedule+0x8d7/0x21d0
[  478.295646]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  478.300676]  ? __sched_text_start+0x8/0x8
[  478.304846]  ? find_held_lock+0x36/0x1c0
[  478.308924]  ? lock_acquire+0x1ed/0x520
[  478.312904]  ? bpf_test_run+0x3cb/0x780
[  478.316886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.322430]  ? check_preemption_disabled+0x48/0x280
[  478.327457]  ? kasan_check_read+0x11/0x20
[  478.331619]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  478.336904]  ? rcu_softirq_qs+0x20/0x20
[  478.340886]  ? preempt_schedule+0x4d/0x60
[  478.345040]  ? ___preempt_schedule+0x16/0x18
[  478.349468]  ? bpf_test_run+0x25d/0x780
[  478.353465]  ? netlink_diag_dump+0x2a0/0x2a0
[  478.357888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  478.363432]  ? bpf_test_init.isra.10+0x70/0x100
[  478.368111]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  478.372877]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  478.377723]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  478.383263]  ? fput+0x130/0x1a0
[  478.386552]  ? __bpf_prog_get+0x9b/0x290
[  478.390619]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  478.395466]  ? bpf_prog_test_run+0x130/0x1a0
[  478.399889]  ? __x64_sys_bpf+0x3d8/0x520
[  478.403957]  ? bpf_prog_get+0x20/0x20
[  478.407791]  ? do_syscall_64+0x1b9/0x820
[  478.411857]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  478.417237]  ? syscall_return_slowpath+0x5e0/0x5e0
[  478.422195]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.427239]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  478.432278]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  478.438962]  ? __switch_to_asm+0x40/0x70
[  478.443026]  ? __switch_to_asm+0x34/0x70
[  478.447094]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.451954]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  478.457340] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  478.457413] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  478.463923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  478.463932] Call Trace:
[  478.470613] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  478.479774]  <IRQ>
[  478.482351] syz-executor1 cpuset=
[  478.492838]  dump_stack+0x244/0x39d
[  478.494969] syz1
[  478.498437]  ? dump_stack_print_info.cold.1+0x20/0x20
[  478.502045]  mems_allowed=0
[  478.504042]  warn_alloc.cold.117+0xb7/0x1bd
[  478.516449]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  478.521298]  ? lock_downgrade+0x900/0x900
[  478.525457]  ? trace_hardirqs_off+0xb8/0x310
[  478.529873]  ? trace_hardirqs_off+0xb8/0x310
[  478.534299]  __alloc_pages_slowpath+0x2660/0x2d70
[  478.539180]  ? warn_alloc+0x120/0x120
[  478.543018]  ? warn_alloc+0x120/0x120
[  478.546824]  ? print_usage_bug+0xc0/0xc0
[  478.550889]  ? warn_alloc+0x120/0x120
[  478.554694]  ? print_usage_bug+0xc0/0xc0
[  478.558757]  ? warn_alloc+0x120/0x120
[  478.562601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  478.568138]  ? should_fail+0x22d/0xd01
[  478.572025]  ? __lock_acquire+0x62f/0x4c20
[  478.576266]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  478.581372]  ? __lock_acquire+0x62f/0x4c20
[  478.585614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  478.591180]  ? __lock_acquire+0x62f/0x4c20
[  478.595427]  ? should_fail+0x22d/0xd01
[  478.599330]  ? mark_held_locks+0x130/0x130
[  478.603580]  ? mark_held_locks+0x130/0x130
[  478.607824]  ? mark_held_locks+0x130/0x130
[  478.612058]  ? zap_class+0x640/0x640
[  478.615775]  ? print_usage_bug+0xc0/0xc0
[  478.619835]  ? mark_held_locks+0x130/0x130
[  478.624068]  ? print_usage_bug+0xc0/0xc0
[  478.628141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.633683]  ? check_preemption_disabled+0x48/0x280
[  478.638713]  ? __lock_is_held+0xb5/0x140
[  478.642785]  __alloc_pages_nodemask+0xa80/0xde0
[  478.647456]  ? zap_class+0x640/0x640
[  478.651177]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  478.656233]  ? find_held_lock+0x36/0x1c0
[  478.660320]  ? ____cache_alloc_node+0x1c7/0x1e0
[  478.664998]  ? lock_downgrade+0x900/0x900
[  478.669157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.674701]  cache_grow_begin+0xa5/0x8c0
[  478.678770]  ? do_raw_spin_unlock+0xa7/0x330
[  478.683192]  fallback_alloc+0x204/0x2e0
[  478.687192]  ____cache_alloc_node+0x1c7/0x1e0
[  478.691707]  kmem_cache_alloc_node+0xe3/0x730
[  478.696212]  ? ipv6_get_ifaddr+0x42e/0x620
[  478.700464]  __alloc_skb+0x119/0x770
[  478.704182]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  478.709474]  ? netdev_alloc_frag+0x1f0/0x1f0
[  478.713887]  ? lock_downgrade+0x900/0x900
[  478.718047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.723590]  ? refcount_sub_and_test_checked+0x203/0x310
[  478.729045]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  478.734510]  ? addrconf_rs_timer+0x690/0x690
[  478.738933]  ndisc_alloc_skb+0x144/0x340
[  478.743007]  ndisc_send_rs+0x331/0x6e0
[  478.746906]  addrconf_rs_timer+0x314/0x690
[  478.751147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  478.755401]  call_timer_fn+0x272/0x920
[  478.759306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  478.763549]  ? process_timeout+0x40/0x40
[  478.767622]  ? mark_held_locks+0xc7/0x130
[  478.771775]  ? _raw_spin_unlock_irq+0x27/0x80
[  478.776277]  ? _raw_spin_unlock_irq+0x27/0x80
[  478.780774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  478.785019]  ? lockdep_hardirqs_on+0x296/0x5b0
[  478.789609]  ? trace_hardirqs_on+0xbd/0x310
[  478.793934]  ? kasan_check_read+0x11/0x20
[  478.798087]  ? __run_timers+0x7da/0xc70
[  478.802063]  ? trace_hardirqs_off_caller+0x310/0x310
[  478.807250]  ? tcp_compressed_ack_kick+0x220/0x220
[  478.812193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  478.816440]  __run_timers+0x7e5/0xc70
[  478.820258]  ? timer_fixup_init+0x70/0x70
[  478.824408]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  478.829427]  ? zap_class+0x640/0x640
[  478.833148]  ? print_usage_bug+0xc0/0xc0
[  478.837229]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  478.842428]  ? find_held_lock+0x36/0x1c0
[  478.846494]  ? zap_class+0x640/0x640
[  478.850223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.855761]  ? check_preemption_disabled+0x48/0x280
[  478.860790]  ? __lock_is_held+0xb5/0x140
[  478.864853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.870396]  ? check_preemption_disabled+0x48/0x280
[  478.875423]  run_timer_softirq+0x52/0xb0
[  478.879486]  ? rcu_read_lock_sched_held+0x14f/0x180
[  478.884508]  __do_softirq+0x308/0xb7e
[  478.888317]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  478.892812]  ? lock_downgrade+0x900/0x900
[  478.896966]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  478.902084]  ? pvclock_read_flags+0x160/0x160
[  478.906590]  ? lapic_next_event+0x5a/0x90
[  478.910740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.916287]  ? kvm_clock_read+0x18/0x30
[  478.920261]  ? kvm_sched_clock_read+0x9/0x20
[  478.924696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.930235]  ? check_preemption_disabled+0x48/0x280
[  478.935267]  irq_exit+0x17f/0x1c0
[  478.938730]  smp_apic_timer_interrupt+0x1cb/0x760
[  478.943583]  ? smp_call_function_single_interrupt+0x650/0x650
[  478.949473]  ? interrupt_entry+0xb5/0xc0
[  478.953540]  ? trace_hardirqs_off_caller+0xbb/0x310
[  478.958555]  ? trace_hardirqs_off_caller+0xbb/0x310
[  478.963575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.968419]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.973436]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.978453]  ? task_prio+0x50/0x50
[  478.982007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.987550]  ? check_preemption_disabled+0x48/0x280
[  478.992573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.997427]  apic_timer_interrupt+0xf/0x20
[  479.001658]  </IRQ>
[  479.003897] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  479.009010] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  479.027914] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  479.035626] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  479.042899] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  479.050172] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  479.057447] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  479.064721] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  479.072032]  shrink_active_list+0x67b/0x1c20
[  479.076442]  ? free_unref_page_list+0xd1b/0x11e0
[  479.081214]  ? shrink_inactive_list+0xa4a/0x1c60
[  479.085977]  ? zap_class+0x60f/0x640
[  479.089701]  ? shrink_inactive_list+0x1c60/0x1c60
[  479.094558]  ? _raw_spin_unlock_irq+0x27/0x80
[  479.099060]  ? find_held_lock+0x36/0x1c0
[  479.103127]  ? __page_frag_cache_drain+0x200/0x200
[  479.108053]  ? print_usage_bug+0xc0/0xc0
[  479.112143]  ? find_held_lock+0x36/0x1c0
[  479.116222]  ? zap_class+0x640/0x640
[  479.119943]  ? mark_held_locks+0xc7/0x130
[  479.124095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.129636]  ? check_preemption_disabled+0x48/0x280
[  479.134661]  ? zap_class+0x640/0x640
[  479.138376]  ? __lock_is_held+0xb5/0x140
[  479.142465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.148009]  ? check_preemption_disabled+0x48/0x280
[  479.153036]  ? __lock_is_held+0xb5/0x140
[  479.157111]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  479.162136]  ? inactive_list_is_low+0x305/0x880
[  479.166817]  ? lruvec_lru_size+0x450/0x450
[  479.171054]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  479.176005]  ? rcu_softirq_qs+0x20/0x20
[  479.179988]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  479.184941]  shrink_node_memcg+0x803/0x18f0
[  479.189282]  ? shrink_active_list+0x1c20/0x1c20
[  479.193958]  ? lock_downgrade+0x900/0x900
[  479.198117]  ? check_flush_dependency+0x410/0x410
[  479.202970]  ? kasan_check_read+0x11/0x20
[  479.207135]  ? ___preempt_schedule+0x16/0x18
[  479.211555]  ? _raw_spin_unlock+0x3f/0x50
[  479.215707]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  479.220900]  shrink_node+0x3bc/0x16b0
[  479.224708]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  479.230017]  ? shrink_node_memcg+0x18f0/0x18f0
[  479.234617]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  479.239213]  ? trace_hardirqs_on+0xbd/0x310
[  479.243535]  ? vmpressure+0x271/0x340
[  479.247348]  ? do_raw_spin_trylock+0x270/0x270
[  479.251938]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  479.257478]  ? __cpuset_node_allowed+0x19b/0x660
[  479.262240]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  479.267954]  ? vmpressure+0x1a2/0x340
[  479.271764]  do_try_to_free_pages+0x3e7/0x1290
[  479.276350]  ? zap_class+0x640/0x640
[  479.280083]  ? shrink_node+0x16b0/0x16b0
[  479.284147]  ? __lock_is_held+0xb5/0x140
[  479.288233]  try_to_free_pages+0x4d0/0xb90
[  479.292475]  ? do_try_to_free_pages+0x1290/0x1290
[  479.297318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.302869]  ? lock_acquire+0x1ed/0x520
[  479.306846]  ? set_page_refcounted+0x280/0x280
[  479.311436]  ? lock_release+0xa00/0xa00
[  479.315423]  ? perf_trace_sched_process_exec+0x860/0x860
[  479.320889]  __alloc_pages_slowpath+0x9c4/0x2d70
[  479.325675]  ? warn_alloc+0x120/0x120
[  479.329481]  ? rcu_softirq_qs+0x20/0x20
[  479.333491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  479.339033]  ? should_fail+0x22d/0xd01
[  479.342926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  479.348035]  ? zap_class+0x640/0x640
[  479.351774]  ? __lock_is_held+0xb5/0x140
[  479.355846]  ? mark_held_locks+0x130/0x130
[  479.360088]  ? lock_release+0xa00/0xa00
[  479.364065]  ? perf_trace_sched_process_exec+0x860/0x860
[  479.369541]  ? __might_sleep+0x95/0x190
[  479.373524]  __alloc_pages_nodemask+0xa80/0xde0
[  479.378214]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  479.383251]  ? __page_cache_alloc+0x191/0x5c0
[  479.387754]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  479.392687]  ? kasan_check_read+0x11/0x20
[  479.396842]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  479.402122]  ? zap_class+0x640/0x640
[  479.405849]  ? zap_class+0x640/0x640
[  479.409565]  ? zap_class+0x640/0x640
[  479.413282]  ? __do_page_cache_readahead+0x7ce/0x980
[  479.418397]  ? find_held_lock+0x36/0x1c0
[  479.422466]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  479.428017]  alloc_pages_current+0x173/0x350
[  479.432439]  __page_cache_alloc+0x38c/0x5c0
[  479.436769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  479.441696]  ? kasan_check_read+0x11/0x20
[  479.445851]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  479.451137]  ? generic_perform_write+0x6a0/0x6a0
[  479.455899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  479.461438]  ? check_preemption_disabled+0x48/0x280
[  479.466463]  filemap_fault+0x1594/0x25f0
[  479.470537]  ? __lock_page_or_retry+0xa00/0xa00
[  479.475218]  ? mark_held_locks+0x130/0x130
[  479.479461]  ? rcu_softirq_qs+0x20/0x20
[  479.483612]  ? filemap_map_pages+0xe04/0x1990
[  479.488117]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  479.492707]  ? __free_object+0x173/0x340
[  479.496767]  ? debug_object_free+0x36f/0x690
[  479.501207]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  479.506143]  ? trace_hardirqs_off_caller+0x310/0x310
[  479.511251]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  479.515931]  ? queue_work_on+0x12c/0x1e0
[  479.520001]  ? debug_object_free+0x36f/0x690
[  479.524415]  ? kasan_check_read+0x11/0x20
[  479.528566]  ? debug_object_destroy+0x2b0/0x2b0
[  479.533242]  ? lock_pi_update_atomic+0x150/0x150
[  479.538002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.543541]  ? __hrtimer_init+0xdb/0x240
[  479.547619]  ? lock_acquire+0x1ed/0x520
[  479.551599]  ? ext4_filemap_fault+0x7a/0xad
[  479.555932]  ? lock_release+0xa00/0xa00
[  479.559907]  ? perf_trace_sched_process_exec+0x860/0x860
[  479.565362]  ? print_usage_bug+0xc0/0xc0
[  479.569426]  ? print_usage_bug+0xc0/0xc0
[  479.573500]  ? down_read+0x8d/0x120
[  479.577132]  ? ext4_filemap_fault+0x7a/0xad
[  479.581453]  ? __down_interruptible+0x700/0x700
[  479.586147]  ext4_filemap_fault+0x82/0xad
[  479.590313]  __do_fault+0x100/0x6b0
[  479.593955]  ? pmd_devmap_trans_unstable+0x220/0x220
[  479.599063]  ? mark_held_locks+0x130/0x130
[  479.603312]  ? mark_held_locks+0x130/0x130
[  479.607564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  479.613115]  __handle_mm_fault+0x307c/0x5920
[  479.617524]  ? perf_trace_lock+0x7a0/0x7a0
[  479.621774]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  479.626635]  ? __switch_to_asm+0x34/0x70
[  479.630701]  ? __switch_to_asm+0x34/0x70
[  479.634782]  ? zap_class+0x640/0x640
[  479.638498]  ? zap_class+0x640/0x640
[  479.642223]  ? __x64_sys_futex+0x53e/0x6a0
[  479.646469]  ? find_held_lock+0x36/0x1c0
[  479.650543]  ? handle_mm_fault+0x42a/0xc70
[  479.654786]  ? lock_downgrade+0x900/0x900
[  479.658938]  ? check_preemption_disabled+0x48/0x280
[  479.663967]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  479.668901]  ? kasan_check_read+0x11/0x20
[  479.673058]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  479.678341]  ? rcu_softirq_qs+0x20/0x20
[  479.682316]  ? trace_hardirqs_off_caller+0x310/0x310
[  479.687428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  479.692969]  ? check_preemption_disabled+0x48/0x280
[  479.698015]  handle_mm_fault+0x54f/0xc70
[  479.702088]  ? __handle_mm_fault+0x5920/0x5920
[  479.706680]  ? find_vma+0x34/0x190
[  479.710231]  __do_page_fault+0x5e8/0xe60
[  479.714295]  ? trace_hardirqs_off+0xb8/0x310
[  479.718721]  do_page_fault+0xf2/0x7e0
[  479.722532]  ? vmalloc_sync_all+0x30/0x30
[  479.726691]  ? error_entry+0x70/0xd0
[  479.730415]  ? trace_hardirqs_off_caller+0xbb/0x310
[  479.735432]  ? trace_hardirqs_on_caller+0xc0/0x310
[  479.740364]  ? syscall_return_slowpath+0x5e0/0x5e0
[  479.745308]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  479.750159]  ? trace_hardirqs_on_caller+0x310/0x310
[  479.755182]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  479.760650]  ? prepare_exit_to_usermode+0x291/0x3b0
[  479.765672]  ? page_fault+0x8/0x30
[  479.769224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  479.774079]  ? page_fault+0x8/0x30
[  479.777626]  page_fault+0x1e/0x30
[  479.781087] RIP: 0033:0x45ddf3
[  479.784294] Code: Bad RIP value.
[  479.787659] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  479.793026] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  479.800299] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  479.808409] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  479.815681] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  479.822955] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  479.830255] warn_alloc_show_mem: 1 callbacks suppressed
[  479.830268] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  479.830270] Mem-Info:
[  479.830301] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  479.830301]  active_file:15 inactive_file:12 isolated_file:0
[  479.830301]  unevictable:0 dirty:0 writeback:0 unstable:0
[  479.830301]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  479.830301]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  479.830301]  free:13694 free_pcp:0 free_cma:0
[  479.835649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  479.842585] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  479.844991] Call Trace:
[  479.877869] Node 0 
[  479.887221]  <IRQ>
[  479.914908] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  479.917471]  dump_stack+0x244/0x39d
[  479.919684] lowmem_reserve[]:
[  479.921836]  ? dump_stack_print_info.cold.1+0x20/0x20
[  479.947310]  0 2819
[  479.950958]  warn_alloc.cold.117+0xb7/0x1bd
[  479.954038]  6323
[  479.959227]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  479.961446]  6323
[  479.965769]  ? lock_downgrade+0x900/0x900
[  479.972673]  ? trace_hardirqs_off+0xb8/0x310
[  479.974717] Node 0 
[  479.978865]  ? trace_hardirqs_off+0xb8/0x310
[  479.983281] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  479.985505]  __alloc_pages_slowpath+0x2660/0x2d70
[  479.989877] lowmem_reserve[]: 0
[  480.016630]  ? warn_alloc+0x120/0x120
[  480.021430]  0
[  480.024717]  ? warn_alloc+0x120/0x120
[  480.028505]  3503
[  480.030306]  ? print_usage_bug+0xc0/0xc0
[  480.034088]  3503
[  480.036148]  ? warn_alloc+0x120/0x120
[  480.042253]  ? print_usage_bug+0xc0/0xc0
[  480.046038] Node 0 
[  480.050092]  ? __lock_acquire+0x62f/0x4c20
[  480.050124] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  480.050132] lowmem_reserve[]:
[  480.052371]  ? __lock_acquire+0x62f/0x4c20
[  480.056589]  0
[  480.084699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  480.087791]  0
[  480.092027]  ? should_fail+0x22d/0xd01
[  480.093811]  0
[  480.099346]  ? __lock_acquire+0x62f/0x4c20
[  480.101132]  0
[  480.105023]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  480.111045]  ? __lock_acquire+0x62f/0x4c20
[  480.112831] Node 0 
[  480.117934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  480.122153] DMA: 
[  480.124394]  ? __lock_acquire+0x62f/0x4c20
[  480.129486] 1*4kB 
[  480.131557]  ? should_fail+0x22d/0xd01
[  480.135770] (U) 
[  480.137932]  ? mark_held_locks+0x130/0x130
[  480.141788] 0*8kB 0*16kB 
[  480.143774]  ? mark_held_locks+0x130/0x130
[  480.147988] 1*32kB 
[  480.150749]  ? zap_class+0x640/0x640
[  480.154961] (U) 
[  480.157196]  ? print_usage_bug+0xc0/0xc0
[  480.160905] 2*64kB 
[  480.162881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.166920] (U) 
[  480.169158]  ? check_preemption_disabled+0x48/0x280
[  480.174676] 1*128kB 
[  480.176660]  ? __lock_is_held+0xb5/0x140
[  480.181653] (U) 
[  480.183976]  __alloc_pages_nodemask+0xa80/0xde0
[  480.188025] 1*256kB 
[  480.190000]  ? zap_class+0x640/0x640
[  480.194658] (U) 
[  480.196982]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  480.200690] 0*512kB 
[  480.202677]  ? find_held_lock+0x36/0x1c0
[  480.207667] 1*1024kB 
[  480.209995]  ? ____cache_alloc_node+0x1c7/0x1e0
[  480.214038] (U) 
[  480.216451]  ? lock_downgrade+0x900/0x900
[  480.221099] 1*2048kB (M) 
[  480.223119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.227246] 3*4096kB 
[  480.230012]  cache_grow_begin+0xa5/0x8c0
[  480.235531] (M) 
[  480.237943]  ? do_raw_spin_unlock+0xa7/0x330
[  480.241981] = 15908kB
[  480.241990] Node 0 
[  480.243976]  fallback_alloc+0x204/0x2e0
[  480.248543] DMA32: 
[  480.250954]  ____cache_alloc_node+0x1c7/0x1e0
[  480.253170] 2*4kB 
[  480.257145]  kmem_cache_alloc_node+0xe3/0x730
[  480.259366] (M) 
[  480.263861]  ? ipv6_get_ifaddr+0x42e/0x620
[  480.266009] 3*8kB 
[  480.270505]  __alloc_skb+0x119/0x770
[  480.272450] (UM) 
[  480.276711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  480.278840] 3*16kB 
[  480.282549]  ? netdev_alloc_frag+0x1f0/0x1f0
[  480.284599] (UM) 
[  480.289875]  ? lock_downgrade+0x900/0x900
[  480.292096] 4*32kB 
[  480.296514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.298549] (UM) 
[  480.302701]  ? refcount_sub_and_test_checked+0x203/0x310
[  480.304921] 5*64kB 
[  480.310457]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  480.312503] (UM) 
[  480.317956]  ? addrconf_rs_timer+0x690/0x690
[  480.320174] 4*128kB (M) 
[  480.325642]  ndisc_alloc_skb+0x144/0x340
[  480.327683] 5*256kB 
[  480.332089]  ndisc_send_rs+0x331/0x6e0
[  480.334740] (UM) 
[  480.338801]  addrconf_rs_timer+0x314/0x690
[  480.341109] 5*512kB 
[  480.344997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.347047] (UM) 
[  480.351295]  call_timer_fn+0x272/0x920
[  480.353589] 4*1024kB 
[  480.357817]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.359863] (UM) 
[  480.363747]  ? process_timeout+0x40/0x40
[  480.366138] 2*2048kB 
[  480.370380]  ? __run_timers+0x7da/0xc70
[  480.372418] (M) 
[  480.376481]  ? _raw_spin_unlock_irq+0x27/0x80
[  480.378870] 3*4096kB (M) 
[  480.382857]  ? _raw_spin_unlock_irq+0x27/0x80
[  480.384813] = 25360kB
[  480.389302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.392045] Node 0 
[  480.396542]  ? lockdep_hardirqs_on+0x296/0x5b0
[  480.398934] Normal: 
[  480.403170]  ? trace_hardirqs_on+0xbd/0x310
[  480.405392] 783*4kB 
[  480.409972]  ? kasan_check_read+0x11/0x20
[  480.412277] (UMEH) 
[  480.416600]  ? __run_timers+0x7da/0xc70
[  480.418909] 379*8kB 
[  480.423057]  ? trace_hardirqs_off_caller+0x310/0x310
[  480.425286] (MEH) 
[  480.429267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.431563] 205*16kB 
[  480.436665]  __run_timers+0x7e5/0xc70
[  480.438795] (UMEH) 
[  480.443036]  ? timer_fixup_init+0x70/0x70
[  480.445424] 93*32kB 
[  480.449227]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  480.451446] (UMEH) 
[  480.455592]  ? zap_class+0x640/0x640
[  480.457902] 24*64kB 
[  480.462916]  ? enqueue_hrtimer+0x1a5/0x560
[  480.465133] (UMH) 
[  480.468848]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  480.471155] 1*128kB 
[  480.475390]  ? find_held_lock+0x36/0x1c0
[  480.477522] (H) 
[  480.483164]  ? zap_class+0x640/0x640
[  480.485476] 0*256kB 
[  480.489546]  ? pvclock_read_flags+0x160/0x160
[  480.491499] 0*512kB 0*1024kB 
[  480.495228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.497537] 0*2048kB 0*4096kB 
[  480.502045]  ? check_preemption_disabled+0x48/0x280
[  480.505131] = 14084kB
[  480.510668]  ? __lock_is_held+0xb5/0x140
[  480.513846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  480.518859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.521258] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  480.525313]  ? check_preemption_disabled+0x48/0x280
[  480.534128] 1070 total pagecache pages
[  480.539665]  run_timer_softirq+0x52/0xb0
[  480.548230] 0 pages in swap cache
[  480.553238]  ? rcu_read_lock_sched_held+0x14f/0x180
[  480.557112] Swap cache stats: add 0, delete 0, find 0/0
[  480.561174]  __do_softirq+0x308/0xb7e
[  480.564605] Free swap  = 0kB
[  480.569621]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  480.574968] Total swap = 0kB
[  480.578770]  ? lock_downgrade+0x900/0x900
[  480.581771] 1965979 pages RAM
[  480.586268]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  480.589781] 0 pages HighMem/MovableOnly
[  480.589791] 342293 pages reserved
[  480.593947]  ? pvclock_read_flags+0x160/0x160
[  480.597028] 0 pages cma reserved
[  480.602132]  ? lapic_next_event+0x5a/0x90
[  480.606146] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  480.609544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.614079] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  480.617392]  ? kvm_clock_read+0x18/0x30
[  480.621522] syz-fuzzer cpuset=
[  480.628006]  ? kvm_sched_clock_read+0x9/0x20
[  480.628024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.633543] /
[  480.643767]  ? check_preemption_disabled+0x48/0x280
[  480.647723]  mems_allowed=0
[  480.650919]  irq_exit+0x17f/0x1c0
[  480.673903]  smp_apic_timer_interrupt+0x1cb/0x760
[  480.678749]  ? smp_reschedule_interrupt+0x109/0x650
[  480.683774]  ? smp_call_function_single_interrupt+0x650/0x650
[  480.689660]  ? interrupt_entry+0xb5/0xc0
[  480.693726]  ? trace_hardirqs_off_caller+0xbb/0x310
[  480.698741]  ? trace_hardirqs_off_caller+0xbb/0x310
[  480.703764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.708610]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.713631]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.718668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.723529]  apic_timer_interrupt+0xf/0x20
[  480.727760]  </IRQ>
[  480.730000] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  480.734933] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  480.753838] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  480.761550] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  480.768821] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  480.776096] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  480.783369] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  480.790636] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  480.797954]  skb_clone+0x1bb/0x500
[  480.801527]  ? finish_task_switch+0x1b4/0x910
[  480.806036]  ? skb_split+0x11e0/0x11e0
[  480.809927]  ? preempt_notifier_register+0x200/0x200
[  480.815037]  ? __switch_to_asm+0x34/0x70
[  480.819100]  ? __switch_to_asm+0x34/0x70
[  480.823161]  ? __switch_to_asm+0x40/0x70
[  480.827225]  ? __switch_to_asm+0x34/0x70
[  480.831296]  ? __switch_to_asm+0x40/0x70
[  480.835364]  ? __switch_to_asm+0x34/0x70
[  480.839426]  ? __switch_to_asm+0x40/0x70
[  480.843487]  ? __switch_to_asm+0x34/0x70
[  480.847556]  ? __switch_to_asm+0x34/0x70
[  480.851615]  ? __switch_to_asm+0x40/0x70
[  480.855677]  ? __switch_to_asm+0x34/0x70
[  480.859752]  bpf_clone_redirect+0xb9/0x490
[  480.863993]  ? __schedule+0x8d7/0x21d0
[  480.867893]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  480.872915]  ? __sched_text_start+0x8/0x8
[  480.877079]  ? find_held_lock+0x36/0x1c0
[  480.881155]  ? lock_acquire+0x1ed/0x520
[  480.885135]  ? bpf_test_run+0x3cb/0x780
[  480.889112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.894656]  ? check_preemption_disabled+0x48/0x280
[  480.899680]  ? kasan_check_read+0x11/0x20
[  480.903833]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  480.909118]  ? rcu_softirq_qs+0x20/0x20
[  480.913102]  ? preempt_schedule+0x4d/0x60
[  480.917256]  ? ___preempt_schedule+0x16/0x18
[  480.921675]  ? bpf_test_run+0x25d/0x780
[  480.925664]  ? netlink_diag_dump+0x2a0/0x2a0
[  480.930081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  480.935640]  ? bpf_test_init.isra.10+0x70/0x100
[  480.940323]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  480.945095]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  480.949943]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  480.955482]  ? fput+0x130/0x1a0
[  480.958777]  ? __bpf_prog_get+0x9b/0x290
[  480.962845]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  480.967690]  ? bpf_prog_test_run+0x130/0x1a0
[  480.972108]  ? __x64_sys_bpf+0x3d8/0x520
[  480.976176]  ? bpf_prog_get+0x20/0x20
[  480.980006]  ? do_syscall_64+0x1b9/0x820
[  480.984076]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  480.989444]  ? syscall_return_slowpath+0x5e0/0x5e0
[  480.994383]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.999403]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  481.004422]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  481.011094]  ? __switch_to_asm+0x40/0x70
[  481.015156]  ? __switch_to_asm+0x34/0x70
[  481.019227]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  481.024087]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  481.029477] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  481.029555] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  481.036062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  481.036067] Call Trace:
[  481.036074]  <IRQ>
[  481.036092]  dump_stack+0x244/0x39d
[  481.036114]  ? dump_stack_print_info.cold.1+0x20/0x20
[  481.042645] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  481.051954]  warn_alloc.cold.117+0xb7/0x1bd
[  481.054518] syz-executor1 cpuset=
[  481.056671]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  481.060278] syz1
[  481.065467]  ? lock_downgrade+0x900/0x900
[  481.075934]  mems_allowed=0
[  481.080254]  ? trace_hardirqs_off+0xb8/0x310
[  481.101966]  ? trace_hardirqs_off+0xb8/0x310
[  481.106402]  __alloc_pages_slowpath+0x2660/0x2d70
[  481.111283]  ? warn_alloc+0x120/0x120
[  481.115093]  ? warn_alloc+0x120/0x120
[  481.118901]  ? print_usage_bug+0xc0/0xc0
[  481.122965]  ? warn_alloc+0x120/0x120
[  481.126774]  ? print_usage_bug+0xc0/0xc0
[  481.130837]  ? __lock_acquire+0x62f/0x4c20
[  481.135076]  ? __lock_acquire+0x62f/0x4c20
[  481.139321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  481.144867]  ? should_fail+0x22d/0xd01
[  481.148763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  481.153872]  ? __lock_acquire+0x62f/0x4c20
[  481.158118]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  481.163228]  ? __lock_acquire+0x62f/0x4c20
[  481.167470]  ? should_fail+0x22d/0xd01
[  481.171358]  ? find_held_lock+0x36/0x1c0
[  481.175437]  ? mark_held_locks+0x130/0x130
[  481.179684]  ? mark_held_locks+0x130/0x130
[  481.183920]  ? zap_class+0x640/0x640
[  481.187639]  ? zap_class+0x640/0x640
[  481.191362]  ? print_usage_bug+0xc0/0xc0
[  481.195424]  ? do_raw_spin_unlock+0xa7/0x330
[  481.199835]  ? zap_class+0x640/0x640
[  481.203556]  ? print_usage_bug+0xc0/0xc0
[  481.207619]  ? wq_watchdog_touch+0x9c/0xfe
[  481.211860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.217401]  ? check_preemption_disabled+0x48/0x280
[  481.222432]  ? __lock_is_held+0xb5/0x140
[  481.226502]  __alloc_pages_nodemask+0xa80/0xde0
[  481.231178]  ? zap_class+0x640/0x640
[  481.234908]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  481.239938]  ? find_held_lock+0x36/0x1c0
[  481.244023]  ? ____cache_alloc_node+0x1c7/0x1e0
[  481.248696]  ? lock_downgrade+0x900/0x900
[  481.252859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.258405]  cache_grow_begin+0xa5/0x8c0
[  481.262475]  ? do_raw_spin_unlock+0xa7/0x330
[  481.266895]  fallback_alloc+0x204/0x2e0
[  481.270883]  ____cache_alloc_node+0x1c7/0x1e0
[  481.275389]  kmem_cache_alloc_node+0xe3/0x730
[  481.279886]  ? ipv6_get_ifaddr+0x42e/0x620
[  481.284138]  __alloc_skb+0x119/0x770
[  481.287857]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  481.293142]  ? netdev_alloc_frag+0x1f0/0x1f0
[  481.297557]  ? lock_downgrade+0x900/0x900
[  481.301716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.307264]  ? refcount_sub_and_test_checked+0x203/0x310
[  481.312729]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  481.318186]  ? addrconf_rs_timer+0x690/0x690
[  481.322618]  ndisc_alloc_skb+0x144/0x340
[  481.326688]  ndisc_send_rs+0x331/0x6e0
[  481.330589]  addrconf_rs_timer+0x314/0x690
[  481.334837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  481.339089]  call_timer_fn+0x272/0x920
[  481.342978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  481.347232]  ? process_timeout+0x40/0x40
[  481.351309]  ? mark_held_locks+0xc7/0x130
[  481.355469]  ? _raw_spin_unlock_irq+0x27/0x80
[  481.359969]  ? _raw_spin_unlock_irq+0x27/0x80
[  481.364473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  481.368717]  ? lockdep_hardirqs_on+0x296/0x5b0
[  481.373304]  ? trace_hardirqs_on+0xbd/0x310
[  481.377629]  ? kasan_check_read+0x11/0x20
[  481.381786]  ? __run_timers+0x7da/0xc70
[  481.385767]  ? trace_hardirqs_off_caller+0x310/0x310
[  481.390879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  481.395126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  481.399369]  __run_timers+0x7e5/0xc70
[  481.403190]  ? timer_fixup_init+0x70/0x70
[  481.407356]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  481.412380]  ? zap_class+0x640/0x640
[  481.416101]  ? print_usage_bug+0xc0/0xc0
[  481.420174]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  481.425380]  ? find_held_lock+0x36/0x1c0
[  481.429453]  ? zap_class+0x640/0x640
[  481.433177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.438728]  ? check_preemption_disabled+0x48/0x280
[  481.443756]  ? __lock_is_held+0xb5/0x140
[  481.447824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.453366]  ? check_preemption_disabled+0x48/0x280
[  481.458391]  run_timer_softirq+0x52/0xb0
[  481.462454]  ? rcu_read_lock_sched_held+0x14f/0x180
[  481.467476]  __do_softirq+0x308/0xb7e
[  481.471288]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  481.475787]  ? lock_downgrade+0x900/0x900
[  481.479943]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  481.485193]  ? pvclock_read_flags+0x160/0x160
[  481.489696]  ? lapic_next_event+0x5a/0x90
[  481.493851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.499398]  ? kvm_clock_read+0x18/0x30
[  481.503381]  ? kvm_sched_clock_read+0x9/0x20
[  481.507795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.513335]  ? check_preemption_disabled+0x48/0x280
[  481.518370]  irq_exit+0x17f/0x1c0
[  481.521831]  smp_apic_timer_interrupt+0x1cb/0x760
[  481.526680]  ? smp_call_function_single_interrupt+0x650/0x650
[  481.532573]  ? interrupt_entry+0xb5/0xc0
[  481.536638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  481.541656]  ? trace_hardirqs_off_caller+0xbb/0x310
[  481.546678]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  481.551523]  ? trace_hardirqs_on_caller+0x310/0x310
[  481.556544]  ? trace_hardirqs_on_caller+0x310/0x310
[  481.561561]  ? task_prio+0x50/0x50
[  481.565108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.570652]  ? check_preemption_disabled+0x48/0x280
[  481.575682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  481.580541]  apic_timer_interrupt+0xf/0x20
[  481.584772]  </IRQ>
[  481.587017] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  481.592126] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  481.611028] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  481.618747] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  481.626105] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  481.633377] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  481.640651] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  481.647924] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  481.655226]  shrink_active_list+0x67b/0x1c20
[  481.659645]  ? free_unref_page_list+0xd1b/0x11e0
[  481.664434]  ? shrink_inactive_list+0xa4a/0x1c60
[  481.669202]  ? zap_class+0x60f/0x640
[  481.672941]  ? shrink_inactive_list+0x1c60/0x1c60
[  481.677817]  ? _raw_spin_unlock_irq+0x27/0x80
[  481.682333]  ? find_held_lock+0x36/0x1c0
[  481.686403]  ? __page_frag_cache_drain+0x200/0x200
[  481.691339]  ? print_usage_bug+0xc0/0xc0
[  481.695418]  ? find_held_lock+0x36/0x1c0
[  481.699489]  ? zap_class+0x640/0x640
[  481.703212]  ? mark_held_locks+0xc7/0x130
[  481.707372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.712917]  ? check_preemption_disabled+0x48/0x280
[  481.717946]  ? zap_class+0x640/0x640
[  481.721663]  ? __lock_is_held+0xb5/0x140
[  481.725737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.731279]  ? check_preemption_disabled+0x48/0x280
[  481.736314]  ? __lock_is_held+0xb5/0x140
[  481.740397]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  481.745421]  ? inactive_list_is_low+0x305/0x880
[  481.750107]  ? lruvec_lru_size+0x450/0x450
[  481.754349]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  481.759287]  ? rcu_softirq_qs+0x20/0x20
[  481.763278]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  481.768224]  shrink_node_memcg+0x803/0x18f0
[  481.772575]  ? shrink_active_list+0x1c20/0x1c20
[  481.777275]  ? lock_downgrade+0x900/0x900
[  481.781437]  ? check_flush_dependency+0x410/0x410
[  481.786292]  ? kasan_check_read+0x11/0x20
[  481.790454]  ? ___preempt_schedule+0x16/0x18
[  481.794879]  ? _raw_spin_unlock+0x3f/0x50
[  481.799035]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  481.804243]  shrink_node+0x3bc/0x16b0
[  481.808053]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  481.813361]  ? shrink_node_memcg+0x18f0/0x18f0
[  481.817947]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  481.822535]  ? trace_hardirqs_on+0xbd/0x310
[  481.826860]  ? vmpressure+0x271/0x340
[  481.830671]  ? do_raw_spin_trylock+0x270/0x270
[  481.835269]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  481.840813]  ? __cpuset_node_allowed+0x19b/0x660
[  481.845577]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  481.851294]  ? vmpressure+0x1a2/0x340
[  481.855109]  do_try_to_free_pages+0x3e7/0x1290
[  481.859692]  ? zap_class+0x640/0x640
[  481.863435]  ? shrink_node+0x16b0/0x16b0
[  481.867503]  ? __lock_is_held+0xb5/0x140
[  481.871583]  try_to_free_pages+0x4d0/0xb90
[  481.875831]  ? do_try_to_free_pages+0x1290/0x1290
[  481.880677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.886254]  ? lock_acquire+0x1ed/0x520
[  481.890246]  ? set_page_refcounted+0x280/0x280
[  481.894839]  ? lock_release+0xa00/0xa00
[  481.898832]  ? perf_trace_sched_process_exec+0x860/0x860
[  481.904299]  __alloc_pages_slowpath+0x9c4/0x2d70
[  481.909090]  ? warn_alloc+0x120/0x120
[  481.912893]  ? rcu_softirq_qs+0x20/0x20
[  481.916920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  481.922467]  ? should_fail+0x22d/0xd01
[  481.926368]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  481.931499]  ? zap_class+0x640/0x640
[  481.935253]  ? __lock_is_held+0xb5/0x140
[  481.939331]  ? mark_held_locks+0x130/0x130
[  481.943574]  ? lock_release+0xa00/0xa00
[  481.947555]  ? perf_trace_sched_process_exec+0x860/0x860
[  481.953030]  ? __might_sleep+0x95/0x190
[  481.957022]  __alloc_pages_nodemask+0xa80/0xde0
[  481.961704]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  481.966730]  ? __page_cache_alloc+0x191/0x5c0
[  481.971233]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  481.976164]  ? kasan_check_read+0x11/0x20
[  481.980320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  481.985603]  ? zap_class+0x640/0x640
[  481.989328]  ? zap_class+0x640/0x640
[  481.993047]  ? zap_class+0x640/0x640
[  481.996767]  ? __do_page_cache_readahead+0x7ce/0x980
[  482.001878]  ? find_held_lock+0x36/0x1c0
[  482.005951]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  482.011503]  alloc_pages_current+0x173/0x350
[  482.015924]  __page_cache_alloc+0x38c/0x5c0
[  482.020259]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  482.025191]  ? kasan_check_read+0x11/0x20
[  482.029370]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  482.034656]  ? generic_perform_write+0x6a0/0x6a0
[  482.039417]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  482.044972]  ? check_preemption_disabled+0x48/0x280
[  482.050018]  filemap_fault+0x1594/0x25f0
[  482.054099]  ? __lock_page_or_retry+0xa00/0xa00
[  482.058776]  ? mark_held_locks+0x130/0x130
[  482.063019]  ? rcu_softirq_qs+0x20/0x20
[  482.067017]  ? filemap_map_pages+0xe04/0x1990
[  482.071528]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  482.076119]  ? __free_object+0x173/0x340
[  482.080181]  ? debug_object_free+0x36f/0x690
[  482.084606]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  482.089541]  ? trace_hardirqs_off_caller+0x310/0x310
[  482.094666]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  482.099352]  ? queue_work_on+0x12c/0x1e0
[  482.103428]  ? debug_object_free+0x36f/0x690
[  482.107841]  ? kasan_check_read+0x11/0x20
[  482.112004]  ? debug_object_destroy+0x2b0/0x2b0
[  482.116683]  ? lock_pi_update_atomic+0x150/0x150
[  482.121445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.126989]  ? __hrtimer_init+0xdb/0x240
[  482.131079]  ? lock_acquire+0x1ed/0x520
[  482.135064]  ? ext4_filemap_fault+0x7a/0xad
[  482.139394]  ? lock_release+0xa00/0xa00
[  482.143376]  ? perf_trace_sched_process_exec+0x860/0x860
[  482.148830]  ? print_usage_bug+0xc0/0xc0
[  482.152895]  ? print_usage_bug+0xc0/0xc0
[  482.156972]  ? down_read+0x8d/0x120
[  482.160605]  ? ext4_filemap_fault+0x7a/0xad
[  482.164930]  ? __down_interruptible+0x700/0x700
[  482.169618]  ext4_filemap_fault+0x82/0xad
[  482.173772]  __do_fault+0x100/0x6b0
[  482.177407]  ? pmd_devmap_trans_unstable+0x220/0x220
[  482.182518]  ? mark_held_locks+0x130/0x130
[  482.186759]  ? mark_held_locks+0x130/0x130
[  482.191018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  482.196568]  __handle_mm_fault+0x307c/0x5920
[  482.200987]  ? perf_trace_lock+0x7a0/0x7a0
[  482.205245]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  482.210105]  ? __switch_to_asm+0x34/0x70
[  482.214172]  ? __switch_to_asm+0x34/0x70
[  482.218258]  ? zap_class+0x640/0x640
[  482.221979]  ? zap_class+0x640/0x640
[  482.225701]  ? __x64_sys_futex+0x53e/0x6a0
[  482.229949]  ? find_held_lock+0x36/0x1c0
[  482.234029]  ? handle_mm_fault+0x42a/0xc70
[  482.238280]  ? lock_downgrade+0x900/0x900
[  482.242431]  ? check_preemption_disabled+0x48/0x280
[  482.247464]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  482.252404]  ? kasan_check_read+0x11/0x20
[  482.256557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  482.261846]  ? rcu_softirq_qs+0x20/0x20
[  482.265828]  ? trace_hardirqs_off_caller+0x310/0x310
[  482.270941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  482.276496]  ? check_preemption_disabled+0x48/0x280
[  482.281530]  handle_mm_fault+0x54f/0xc70
[  482.285602]  ? __handle_mm_fault+0x5920/0x5920
[  482.290193]  ? find_vma+0x34/0x190
[  482.293753]  __do_page_fault+0x5e8/0xe60
[  482.297816]  ? trace_hardirqs_off+0xb8/0x310
[  482.302244]  do_page_fault+0xf2/0x7e0
[  482.306056]  ? vmalloc_sync_all+0x30/0x30
[  482.310221]  ? error_entry+0x70/0xd0
[  482.313945]  ? trace_hardirqs_off_caller+0xbb/0x310
[  482.318966]  ? trace_hardirqs_on_caller+0xc0/0x310
[  482.323906]  ? syscall_return_slowpath+0x5e0/0x5e0
[  482.328842]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  482.333690]  ? trace_hardirqs_on_caller+0x310/0x310
[  482.338710]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  482.344172]  ? prepare_exit_to_usermode+0x291/0x3b0
[  482.349217]  ? page_fault+0x8/0x30
[  482.352765]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  482.357616]  ? page_fault+0x8/0x30
[  482.361169]  page_fault+0x1e/0x30
[  482.364632] RIP: 0033:0x45ddf3
[  482.367848] Code: Bad RIP value.
[  482.371225] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  482.376624] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  482.383898] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  482.391170] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  482.398449] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  482.405718] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  482.413019] warn_alloc_show_mem: 1 callbacks suppressed
[  482.413032] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  482.413034] Mem-Info:
[  482.413065] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  482.413065]  active_file:15 inactive_file:12 isolated_file:0
[  482.413065]  unevictable:0 dirty:0 writeback:0 unstable:0
[  482.413065]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  482.413065]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  482.413065]  free:13694 free_pcp:0 free_cma:0
[  482.418412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  482.425353] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  482.427760] Call Trace:
[  482.460629] 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
[  482.469988]  <IRQ>
[  482.497664] lowmem_reserve[]: 0
[  482.500265]  dump_stack+0x244/0x39d
[  482.526345]  2819 6323
[  482.528520]  ? dump_stack_print_info.cold.1+0x20/0x20
[  482.531768]  6323
[  482.535401]  warn_alloc.cold.117+0xb7/0x1bd
[  482.537878] Node 0 
[  482.543089]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  482.545172] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  482.549564]  ? lock_downgrade+0x900/0x900
[  482.551773] lowmem_reserve[]: 0
[  482.556637]  ? trace_hardirqs_off+0xb8/0x310
[  482.583345]  0
[  482.587668]  ? trace_hardirqs_off+0xb8/0x310
[  482.591106]  3503
[  482.595525]  __alloc_pages_slowpath+0x2660/0x2d70
[  482.597302]  3503
[  482.601743]  ? warn_alloc+0x120/0x120
[  482.608629]  ? warn_alloc+0x120/0x120
[  482.610674] Node 0 
[  482.614473]  ? print_usage_bug+0xc0/0xc0
[  482.618277] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  482.620485]  ? warn_alloc+0x120/0x120
[  482.624530] lowmem_reserve[]:
[  482.652640]  ? print_usage_bug+0xc0/0xc0
[  482.656424]  0
[  482.659560]  ? __lock_acquire+0x62f/0x4c20
[  482.663604]  0
[  482.665415]  ? __lock_acquire+0x62f/0x4c20
[  482.669627]  0
[  482.671428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  482.675643]  0
[  482.677444]  ? should_fail+0x22d/0xd01
[  482.684765]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  482.688624] Node 0 
[  482.693746]  ? __lock_acquire+0x62f/0x4c20
[  482.693749] DMA: 1*4kB 
[  482.696006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  482.700237] (U) 
[  482.702825]  ? __lock_acquire+0x62f/0x4c20
[  482.707911] 0*8kB 
[  482.709881]  ? should_fail+0x22d/0xd01
[  482.714098] 0*16kB 
[  482.716246]  ? find_held_lock+0x36/0x1c0
[  482.720113] 1*32kB 
[  482.722353]  ? mark_held_locks+0x130/0x130
[  482.726390] (U) 
[  482.728624]  ? mark_held_locks+0x130/0x130
[  482.732841] 2*64kB 
[  482.734810]  ? zap_class+0x640/0x640
[  482.739024] (U) 
[  482.741254]  ? zap_class+0x640/0x640
[  482.744950] 1*128kB 
[  482.746925]  ? print_usage_bug+0xc0/0xc0
[  482.750618] (U) 
[  482.752943]  ? do_raw_spin_unlock+0xa7/0x330
[  482.756985] 1*256kB 
[  482.758955]  ? zap_class+0x640/0x640
[  482.763343] (U) 
[  482.765692]  ? print_usage_bug+0xc0/0xc0
[  482.769393] 0*512kB 
[  482.771367]  ? wq_watchdog_touch+0x9c/0xfe
[  482.775410] 1*1024kB 
[  482.777733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.781937] (U) 1*2048kB 
[  482.784360]  ? check_preemption_disabled+0x48/0x280
[  482.789907] (M) 
[  482.792668]  ? __lock_is_held+0xb5/0x140
[  482.797659] 3*4096kB 
[  482.799639]  __alloc_pages_nodemask+0xa80/0xde0
[  482.803678] (M) 
[  482.806084]  ? zap_class+0x640/0x640
[  482.810733] = 15908kB
[  482.812706]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  482.816403] Node 0 
[  482.818819]  ? find_held_lock+0x36/0x1c0
[  482.823808] DMA32: 
[  482.826052]  ? ____cache_alloc_node+0x1c7/0x1e0
[  482.830092] 2*4kB 
[  482.832325]  ? lock_downgrade+0x900/0x900
[  482.836973] (M) 
[  482.839129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.843252] 3*8kB 
[  482.845229]  cache_grow_begin+0xa5/0x8c0
[  482.850743] (UM) 
[  482.852893]  ? do_raw_spin_unlock+0xa7/0x330
[  482.856936] 3*16kB 
[  482.858997]  fallback_alloc+0x204/0x2e0
[  482.863387] (UM) 
[  482.865623]  ____cache_alloc_node+0x1c7/0x1e0
[  482.869572] 4*32kB 
[  482.871632]  kmem_cache_alloc_node+0xe3/0x730
[  482.876113] (UM) 
[  482.878353]  ? ipv6_get_ifaddr+0x42e/0x620
[  482.882828] 5*64kB 
[  482.884896]  __alloc_skb+0x119/0x770
[  482.889108] (UM) 
[  482.891345]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  482.895036] 4*128kB 
[  482.897098]  ? netdev_alloc_frag+0x1f0/0x1f0
[  482.902356] (M) 
[  482.904681]  ? lock_downgrade+0x900/0x900
[  482.909063] 5*256kB (UM) 
[  482.911053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.915177] 5*512kB 
[  482.917931]  ? refcount_sub_and_test_checked+0x203/0x310
[  482.923441] (UM) 
[  482.925763]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  482.931189] 4*1024kB 
[  482.933251]  ? addrconf_rs_timer+0x690/0x690
[  482.938688] (UM) 
[  482.941102]  ndisc_alloc_skb+0x144/0x340
[  482.945484] 2*2048kB 
[  482.947552]  ndisc_send_rs+0x331/0x6e0
[  482.951590] (M) 
[  482.954000]  addrconf_rs_timer+0x314/0x690
[  482.957884] 3*4096kB 
[  482.959859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.964083] (M) 
[  482.966507]  call_timer_fn+0x272/0x920
[  482.970706] = 25360kB
[  482.972675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.972692]  ? process_timeout+0x40/0x40
[  482.976562] Node 0 
[  482.978973]  ? __run_timers+0x7da/0xc70
[  482.983180] Normal: 
[  482.987248]  ? _raw_spin_unlock_irq+0x27/0x80
[  482.989504] 783*4kB 
[  482.993474]  ? _raw_spin_unlock_irq+0x27/0x80
[  482.995779] (UMEH) 
[  483.000270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.002579] 379*8kB 
[  483.007074]  ? lockdep_hardirqs_on+0x296/0x5b0
[  483.009298] (MEH) 
[  483.013530]  ? trace_hardirqs_on+0xbd/0x310
[  483.015833] 205*16kB 
[  483.020407]  ? kasan_check_read+0x11/0x20
[  483.020435]  ? __run_timers+0x7da/0xc70
[  483.022577] (UMEH) 
[  483.026895]  ? trace_hardirqs_off_caller+0x310/0x310
[  483.029286] 93*32kB 
[  483.033433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.037386] (UMEH) 
[  483.039622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.044703] 24*64kB 
[  483.047036]  __run_timers+0x7e5/0xc70
[  483.051250] (UMH) 
[  483.053504]  ? timer_fixup_init+0x70/0x70
[  483.057702] 1*128kB 
[  483.060022]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  483.063797] (H) 
[  483.065943]  ? zap_class+0x640/0x640
[  483.070081] 0*256kB 
[  483.072415]  ? enqueue_hrtimer+0x1a5/0x560
[  483.077401] 0*512kB 0*1024kB 
[  483.079392]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  483.083079] 0*2048kB 0*4096kB 
[  483.085455]  ? find_held_lock+0x36/0x1c0
[  483.089664] = 14084kB
[  483.092767]  ? zap_class+0x640/0x640
[  483.097947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  483.101131]  ? pvclock_read_flags+0x160/0x160
[  483.105172] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  483.107580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.111277] 1070 total pagecache pages
[  483.120111]  ? check_preemption_disabled+0x48/0x280
[  483.124589] 0 pages in swap cache
[  483.133162]  ? __lock_is_held+0xb5/0x140
[  483.138679] Swap cache stats: add 0, delete 0, find 0/0
[  483.142557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.147550] Free swap  = 0kB
[  483.147560] Total swap = 0kB
[  483.151009]  ? check_preemption_disabled+0x48/0x280
[  483.151030]  run_timer_softirq+0x52/0xb0
[  483.155068] 1965979 pages RAM
[  483.160430]  ? rcu_read_lock_sched_held+0x14f/0x180
[  483.165944] 0 pages HighMem/MovableOnly
[  483.168961]  __do_softirq+0x308/0xb7e
[  483.171959] 342293 pages reserved
[  483.176985]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  483.181030] 0 pages cma reserved
[  483.184132]  ? lock_downgrade+0x900/0x900
[  483.189196] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  483.193097]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  483.196999] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  483.200343]  ? pvclock_read_flags+0x160/0x160
[  483.204817] syz-fuzzer cpuset=
[  483.208197]  ? lapic_next_event+0x5a/0x90
[  483.212339] /
[  483.218830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.223916]  mems_allowed=0
[  483.234143]  ? kvm_clock_read+0x18/0x30
[  483.260042]  ? kvm_sched_clock_read+0x9/0x20
[  483.264459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.270006]  ? check_preemption_disabled+0x48/0x280
[  483.275047]  irq_exit+0x17f/0x1c0
[  483.278511]  smp_apic_timer_interrupt+0x1cb/0x760
[  483.283383]  ? smp_reschedule_interrupt+0x109/0x650
[  483.288406]  ? smp_call_function_single_interrupt+0x650/0x650
[  483.294292]  ? interrupt_entry+0xb5/0xc0
[  483.298356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  483.303376]  ? trace_hardirqs_off_caller+0xbb/0x310
[  483.308397]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  483.313242]  ? trace_hardirqs_on_caller+0x310/0x310
[  483.318264]  ? trace_hardirqs_on_caller+0x310/0x310
[  483.323295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  483.328162]  apic_timer_interrupt+0xf/0x20
[  483.332390]  </IRQ>
[  483.334636] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  483.339569] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  483.358480] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  483.366202] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  483.373480] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  483.380757] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  483.388027] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  483.395296] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  483.402615]  skb_clone+0x1bb/0x500
[  483.406163]  ? finish_task_switch+0x1b4/0x910
[  483.410665]  ? skb_split+0x11e0/0x11e0
[  483.414557]  ? preempt_notifier_register+0x200/0x200
[  483.419663]  ? __switch_to_asm+0x34/0x70
[  483.423726]  ? __switch_to_asm+0x34/0x70
[  483.427788]  ? __switch_to_asm+0x40/0x70
[  483.431847]  ? __switch_to_asm+0x34/0x70
[  483.435912]  ? __switch_to_asm+0x40/0x70
[  483.439973]  ? __switch_to_asm+0x34/0x70
[  483.444034]  ? __switch_to_asm+0x40/0x70
[  483.448095]  ? __switch_to_asm+0x34/0x70
[  483.452162]  ? __switch_to_asm+0x34/0x70
[  483.456225]  ? __switch_to_asm+0x40/0x70
[  483.460288]  ? __switch_to_asm+0x34/0x70
[  483.464365]  bpf_clone_redirect+0xb9/0x490
[  483.468610]  ? __schedule+0x8d7/0x21d0
[  483.472512]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  483.477539]  ? __sched_text_start+0x8/0x8
[  483.481955]  ? find_held_lock+0x36/0x1c0
[  483.486032]  ? lock_acquire+0x1ed/0x520
[  483.490009]  ? bpf_test_run+0x3cb/0x780
[  483.493989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.499529]  ? check_preemption_disabled+0x48/0x280
[  483.504555]  ? kasan_check_read+0x11/0x20
[  483.508706]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  483.514029]  ? rcu_softirq_qs+0x20/0x20
[  483.518019]  ? preempt_schedule+0x4d/0x60
[  483.522177]  ? ___preempt_schedule+0x16/0x18
[  483.526612]  ? bpf_test_run+0x25d/0x780
[  483.530600]  ? netlink_diag_dump+0x2a0/0x2a0
[  483.535012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  483.540557]  ? bpf_test_init.isra.10+0x70/0x100
[  483.545252]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  483.550020]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  483.554865]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  483.560410]  ? fput+0x130/0x1a0
[  483.563697]  ? __bpf_prog_get+0x9b/0x290
[  483.567766]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  483.572613]  ? bpf_prog_test_run+0x130/0x1a0
[  483.577031]  ? __x64_sys_bpf+0x3d8/0x520
[  483.581095]  ? bpf_prog_get+0x20/0x20
[  483.584919]  ? do_syscall_64+0x1b9/0x820
[  483.588983]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  483.594354]  ? syscall_return_slowpath+0x5e0/0x5e0
[  483.599291]  ? trace_hardirqs_on_caller+0x310/0x310
[  483.604315]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  483.609338]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  483.616014]  ? __switch_to_asm+0x40/0x70
[  483.620080]  ? __switch_to_asm+0x34/0x70
[  483.624151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  483.629012]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  483.634401] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  483.634470] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  483.640989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  483.641001] Call Trace:
[  483.647630] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  483.656828]  <IRQ>
[  483.659405] syz-executor1 cpuset=
[  483.669895]  dump_stack+0x244/0x39d
[  483.672023] syz1
[  483.675490]  ? dump_stack_print_info.cold.1+0x20/0x20
[  483.679102]  mems_allowed=0
[  483.681085]  warn_alloc.cold.117+0xb7/0x1bd
[  483.693486]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  483.698337]  ? lock_downgrade+0x900/0x900
[  483.702495]  ? trace_hardirqs_off+0xb8/0x310
[  483.706916]  ? trace_hardirqs_off+0xb8/0x310
[  483.711335]  __alloc_pages_slowpath+0x2660/0x2d70
[  483.716211]  ? warn_alloc+0x120/0x120
[  483.720024]  ? warn_alloc+0x120/0x120
[  483.723831]  ? print_usage_bug+0xc0/0xc0
[  483.727893]  ? warn_alloc+0x120/0x120
[  483.731697]  ? print_usage_bug+0xc0/0xc0
[  483.735764]  ? __lock_acquire+0x62f/0x4c20
[  483.740008]  ? __lock_acquire+0x62f/0x4c20
[  483.744252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  483.749793]  ? should_fail+0x22d/0xd01
[  483.753681]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  483.758963]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  483.764078]  ? __lock_acquire+0x62f/0x4c20
[  483.768321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  483.773424]  ? __lock_acquire+0x62f/0x4c20
[  483.777660]  ? should_fail+0x22d/0xd01
[  483.781546]  ? rcu_irq_exit+0x1a2/0x390
[  483.785548]  ? mark_held_locks+0x130/0x130
[  483.789791]  ? mark_held_locks+0x130/0x130
[  483.794040]  ? mark_held_locks+0xc7/0x130
[  483.798194]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  483.803217]  ? zap_class+0x640/0x640
[  483.806934]  ? print_usage_bug+0xc0/0xc0
[  483.811008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.816549]  ? check_preemption_disabled+0x48/0x280
[  483.821574]  ? __lock_is_held+0xb5/0x140
[  483.825671]  __alloc_pages_nodemask+0xa80/0xde0
[  483.830342]  ? zap_class+0x640/0x640
[  483.834066]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  483.839095]  ? find_held_lock+0x36/0x1c0
[  483.843166]  ? ____cache_alloc_node+0x1c7/0x1e0
[  483.847835]  ? lock_downgrade+0x900/0x900
[  483.852001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.857544]  cache_grow_begin+0xa5/0x8c0
[  483.861611]  ? do_raw_spin_unlock+0xa7/0x330
[  483.866036]  fallback_alloc+0x204/0x2e0
[  483.870027]  ____cache_alloc_node+0x1c7/0x1e0
[  483.874532]  kmem_cache_alloc_node+0xe3/0x730
[  483.879033]  ? ipv6_get_ifaddr+0x42e/0x620
[  483.883280]  __alloc_skb+0x119/0x770
[  483.887002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  483.892287]  ? netdev_alloc_frag+0x1f0/0x1f0
[  483.896707]  ? lock_downgrade+0x900/0x900
[  483.900865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.906407]  ? refcount_sub_and_test_checked+0x203/0x310
[  483.911864]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  483.917321]  ? addrconf_rs_timer+0x690/0x690
[  483.921744]  ndisc_alloc_skb+0x144/0x340
[  483.925815]  ndisc_send_rs+0x331/0x6e0
[  483.929709]  addrconf_rs_timer+0x314/0x690
[  483.933952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.938202]  call_timer_fn+0x272/0x920
[  483.942100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.946340]  ? process_timeout+0x40/0x40
[  483.950419]  ? mark_held_locks+0xc7/0x130
[  483.954573]  ? _raw_spin_unlock_irq+0x27/0x80
[  483.959069]  ? _raw_spin_unlock_irq+0x27/0x80
[  483.963562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.967801]  ? lockdep_hardirqs_on+0x296/0x5b0
[  483.972387]  ? trace_hardirqs_on+0xbd/0x310
[  483.976709]  ? kasan_check_read+0x11/0x20
[  483.980863]  ? __run_timers+0x7da/0xc70
[  483.984843]  ? trace_hardirqs_off_caller+0x310/0x310
[  483.989954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.994198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.998439]  __run_timers+0x7e5/0xc70
[  484.002257]  ? timer_fixup_init+0x70/0x70
[  484.006411]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  484.011432]  ? zap_class+0x640/0x640
[  484.015154]  ? print_usage_bug+0xc0/0xc0
[  484.019223]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  484.024427]  ? find_held_lock+0x36/0x1c0
[  484.028497]  ? zap_class+0x640/0x640
[  484.032221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.037768]  ? check_preemption_disabled+0x48/0x280
[  484.042814]  ? __lock_is_held+0xb5/0x140
[  484.046900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.052457]  ? check_preemption_disabled+0x48/0x280
[  484.057503]  run_timer_softirq+0x52/0xb0
[  484.061583]  ? rcu_read_lock_sched_held+0x14f/0x180
[  484.066616]  __do_softirq+0x308/0xb7e
[  484.070436]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  484.074944]  ? lock_downgrade+0x900/0x900
[  484.079114]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  484.084238]  ? pvclock_read_flags+0x160/0x160
[  484.088752]  ? lapic_next_event+0x5a/0x90
[  484.092915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.098471]  ? kvm_clock_read+0x18/0x30
[  484.102451]  ? kvm_sched_clock_read+0x9/0x20
[  484.106869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.112417]  ? check_preemption_disabled+0x48/0x280
[  484.117463]  irq_exit+0x17f/0x1c0
[  484.120931]  smp_apic_timer_interrupt+0x1cb/0x760
[  484.125791]  ? smp_call_function_single_interrupt+0x650/0x650
[  484.131691]  ? interrupt_entry+0xb5/0xc0
[  484.135766]  ? trace_hardirqs_off_caller+0xbb/0x310
[  484.140786]  ? trace_hardirqs_off_caller+0xbb/0x310
[  484.145836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.150695]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.155719]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.160752]  ? task_prio+0x50/0x50
[  484.164304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.169861]  ? check_preemption_disabled+0x48/0x280
[  484.174896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.179760]  apic_timer_interrupt+0xf/0x20
[  484.184004]  </IRQ>
[  484.186255] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  484.191367] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  484.210289] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  484.218019] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  484.225297] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  484.232573] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  484.239850] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  484.247134] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  484.254471]  shrink_active_list+0x67b/0x1c20
[  484.258887]  ? free_unref_page_list+0xd1b/0x11e0
[  484.263658]  ? shrink_inactive_list+0xa4a/0x1c60
[  484.268427]  ? zap_class+0x60f/0x640
[  484.272149]  ? shrink_inactive_list+0x1c60/0x1c60
[  484.277028]  ? _raw_spin_unlock_irq+0x27/0x80
[  484.281539]  ? find_held_lock+0x36/0x1c0
[  484.285603]  ? __page_frag_cache_drain+0x200/0x200
[  484.290535]  ? print_usage_bug+0xc0/0xc0
[  484.294613]  ? find_held_lock+0x36/0x1c0
[  484.298687]  ? zap_class+0x640/0x640
[  484.302404]  ? mark_held_locks+0xc7/0x130
[  484.306562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.312103]  ? check_preemption_disabled+0x48/0x280
[  484.317133]  ? zap_class+0x640/0x640
[  484.320850]  ? __lock_is_held+0xb5/0x140
[  484.324921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.330467]  ? check_preemption_disabled+0x48/0x280
[  484.335498]  ? __lock_is_held+0xb5/0x140
[  484.339580]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  484.344602]  ? inactive_list_is_low+0x305/0x880
[  484.349285]  ? lruvec_lru_size+0x450/0x450
[  484.353523]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  484.358465]  ? rcu_softirq_qs+0x20/0x20
[  484.362456]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  484.367404]  shrink_node_memcg+0x803/0x18f0
[  484.371750]  ? shrink_active_list+0x1c20/0x1c20
[  484.376436]  ? lock_downgrade+0x900/0x900
[  484.380593]  ? check_flush_dependency+0x410/0x410
[  484.385446]  ? kasan_check_read+0x11/0x20
[  484.389608]  ? ___preempt_schedule+0x16/0x18
[  484.394036]  ? _raw_spin_unlock+0x3f/0x50
[  484.398195]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  484.403398]  shrink_node+0x3bc/0x16b0
[  484.407212]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  484.412521]  ? shrink_node_memcg+0x18f0/0x18f0
[  484.417108]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  484.421698]  ? trace_hardirqs_on+0xbd/0x310
[  484.426040]  ? vmpressure+0x271/0x340
[  484.429855]  ? do_raw_spin_trylock+0x270/0x270
[  484.434448]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  484.439988]  ? __cpuset_node_allowed+0x19b/0x660
[  484.444765]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  484.450483]  ? vmpressure+0x1a2/0x340
[  484.454295]  do_try_to_free_pages+0x3e7/0x1290
[  484.458882]  ? zap_class+0x640/0x640
[  484.462614]  ? shrink_node+0x16b0/0x16b0
[  484.466680]  ? __lock_is_held+0xb5/0x140
[  484.470757]  try_to_free_pages+0x4d0/0xb90
[  484.475009]  ? do_try_to_free_pages+0x1290/0x1290
[  484.479858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.485409]  ? lock_acquire+0x1ed/0x520
[  484.489389]  ? set_page_refcounted+0x280/0x280
[  484.493981]  ? lock_release+0xa00/0xa00
[  484.497974]  ? perf_trace_sched_process_exec+0x860/0x860
[  484.503443]  __alloc_pages_slowpath+0x9c4/0x2d70
[  484.508234]  ? warn_alloc+0x120/0x120
[  484.512040]  ? rcu_softirq_qs+0x20/0x20
[  484.516051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  484.521617]  ? should_fail+0x22d/0xd01
[  484.525512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  484.530619]  ? zap_class+0x640/0x640
[  484.534362]  ? __lock_is_held+0xb5/0x140
[  484.538435]  ? mark_held_locks+0x130/0x130
[  484.542691]  ? lock_release+0xa00/0xa00
[  484.546676]  ? perf_trace_sched_process_exec+0x860/0x860
[  484.552146]  ? __might_sleep+0x95/0x190
[  484.556130]  __alloc_pages_nodemask+0xa80/0xde0
[  484.560813]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  484.565831]  ? __page_cache_alloc+0x191/0x5c0
[  484.570345]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  484.575289]  ? kasan_check_read+0x11/0x20
[  484.579439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  484.584718]  ? zap_class+0x640/0x640
[  484.588955]  ? zap_class+0x640/0x640
[  484.592668]  ? zap_class+0x640/0x640
[  484.596383]  ? __do_page_cache_readahead+0x7ce/0x980
[  484.601492]  ? find_held_lock+0x36/0x1c0
[  484.605560]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  484.611105]  alloc_pages_current+0x173/0x350
[  484.615525]  __page_cache_alloc+0x38c/0x5c0
[  484.619856]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  484.624786]  ? kasan_check_read+0x11/0x20
[  484.628935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  484.634225]  ? generic_perform_write+0x6a0/0x6a0
[  484.638983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  484.644532]  ? check_preemption_disabled+0x48/0x280
[  484.649560]  filemap_fault+0x1594/0x25f0
[  484.653635]  ? __lock_page_or_retry+0xa00/0xa00
[  484.658310]  ? mark_held_locks+0x130/0x130
[  484.662548]  ? rcu_softirq_qs+0x20/0x20
[  484.666537]  ? filemap_map_pages+0xe04/0x1990
[  484.671047]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  484.675637]  ? __free_object+0x173/0x340
[  484.679699]  ? debug_object_free+0x36f/0x690
[  484.684112]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  484.689046]  ? trace_hardirqs_off_caller+0x310/0x310
[  484.694155]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  484.698834]  ? queue_work_on+0x12c/0x1e0
[  484.702900]  ? debug_object_free+0x36f/0x690
[  484.707309]  ? kasan_check_read+0x11/0x20
[  484.711464]  ? debug_object_destroy+0x2b0/0x2b0
[  484.716135]  ? lock_pi_update_atomic+0x150/0x150
[  484.720893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.726432]  ? __hrtimer_init+0xdb/0x240
[  484.730508]  ? lock_acquire+0x1ed/0x520
[  484.734495]  ? ext4_filemap_fault+0x7a/0xad
[  484.738836]  ? lock_release+0xa00/0xa00
[  484.742816]  ? perf_trace_sched_process_exec+0x860/0x860
[  484.748273]  ? print_usage_bug+0xc0/0xc0
[  484.752340]  ? print_usage_bug+0xc0/0xc0
[  484.756413]  ? down_read+0x8d/0x120
[  484.760043]  ? ext4_filemap_fault+0x7a/0xad
[  484.764369]  ? __down_interruptible+0x700/0x700
[  484.769054]  ext4_filemap_fault+0x82/0xad
[  484.773225]  __do_fault+0x100/0x6b0
[  484.776865]  ? pmd_devmap_trans_unstable+0x220/0x220
[  484.781975]  ? mark_held_locks+0x130/0x130
[  484.786226]  ? mark_held_locks+0x130/0x130
[  484.790478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  484.796031]  __handle_mm_fault+0x307c/0x5920
[  484.800439]  ? perf_trace_lock+0x7a0/0x7a0
[  484.804689]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  484.809545]  ? __switch_to_asm+0x34/0x70
[  484.813609]  ? __switch_to_asm+0x34/0x70
[  484.817690]  ? zap_class+0x640/0x640
[  484.821402]  ? zap_class+0x640/0x640
[  484.825120]  ? __x64_sys_futex+0x53e/0x6a0
[  484.829359]  ? find_held_lock+0x36/0x1c0
[  484.833431]  ? handle_mm_fault+0x42a/0xc70
[  484.837667]  ? lock_downgrade+0x900/0x900
[  484.841815]  ? check_preemption_disabled+0x48/0x280
[  484.846843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  484.851771]  ? kasan_check_read+0x11/0x20
[  484.855923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  484.861212]  ? rcu_softirq_qs+0x20/0x20
[  484.865192]  ? trace_hardirqs_off_caller+0x310/0x310
[  484.870314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  484.875857]  ? check_preemption_disabled+0x48/0x280
[  484.880899]  handle_mm_fault+0x54f/0xc70
[  484.884967]  ? __handle_mm_fault+0x5920/0x5920
[  484.889560]  ? find_vma+0x34/0x190
[  484.893107]  __do_page_fault+0x5e8/0xe60
[  484.897174]  ? trace_hardirqs_off+0xb8/0x310
[  484.901604]  do_page_fault+0xf2/0x7e0
[  484.905409]  ? vmalloc_sync_all+0x30/0x30
[  484.909565]  ? error_entry+0x70/0xd0
[  484.913283]  ? trace_hardirqs_off_caller+0xbb/0x310
[  484.918297]  ? trace_hardirqs_on_caller+0xc0/0x310
[  484.923234]  ? syscall_return_slowpath+0x5e0/0x5e0
[  484.928165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.933018]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.938039]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  484.943498]  ? prepare_exit_to_usermode+0x291/0x3b0
[  484.948520]  ? page_fault+0x8/0x30
[  484.952069]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.956921]  ? page_fault+0x8/0x30
[  484.960470]  page_fault+0x1e/0x30
[  484.963923] RIP: 0033:0x45ddf3
[  484.967132] Code: Bad RIP value.
[  484.970495] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  484.975860] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  484.983131] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  484.990404] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  484.997674] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  485.004948] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  485.012250] warn_alloc_show_mem: 1 callbacks suppressed
[  485.012262] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  485.012264] Mem-Info:
[  485.012293] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  485.012293]  active_file:15 inactive_file:12 isolated_file:0
[  485.012293]  unevictable:0 dirty:0 writeback:0 unstable:0
[  485.012293]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  485.012293]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  485.012293]  free:13694 free_pcp:0 free_cma:0
[  485.017643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  485.024582] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  485.026988] Call Trace:
[  485.059872] Node 0 
[  485.069232]  <IRQ>
[  485.096928] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  485.099502]  dump_stack+0x244/0x39d
[  485.101699] lowmem_reserve[]: 0
[  485.103865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  485.129347]  2819 6323
[  485.133005]  warn_alloc.cold.117+0xb7/0x1bd
[  485.136256]  6323
[  485.141446]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  485.148241]  ? lock_downgrade+0x900/0x900
[  485.150286] Node 0 
[  485.155131]  ? trace_hardirqs_off+0xb8/0x310
[  485.159279] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  485.161492]  ? trace_hardirqs_off+0xb8/0x310
[  485.165872] lowmem_reserve[]: 0
[  485.192620]  __alloc_pages_slowpath+0x2660/0x2d70
[  485.197017]  0
[  485.200330]  ? warn_alloc+0x120/0x120
[  485.205113]  3503 3503
[  485.206931]  ? warn_alloc+0x120/0x120
[  485.210711] Node 0 
[  485.213222]  ? print_usage_bug+0xc0/0xc0
[  485.217021] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  485.219232]  ? warn_alloc+0x120/0x120
[  485.223277] lowmem_reserve[]:
[  485.251399]  ? print_usage_bug+0xc0/0xc0
[  485.255183]  0
[  485.258299]  ? __lock_acquire+0x62f/0x4c20
[  485.262338]  0
[  485.264143]  ? __lock_acquire+0x62f/0x4c20
[  485.268358]  0
[  485.270163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  485.274381]  0
[  485.276184]  ? should_fail+0x22d/0xd01
[  485.281721] Node 0 
[  485.283531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  485.287387] DMA: 1*4kB 
[  485.289637]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  485.294880] (U) 0*8kB 
[  485.297479]  ? __lock_acquire+0x62f/0x4c20
[  485.302561] 0*16kB 
[  485.305072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  485.309368] 1*32kB 
[  485.311609]  ? __lock_acquire+0x62f/0x4c20
[  485.316691] (U) 
[  485.318932]  ? should_fail+0x22d/0xd01
[  485.323143] 2*64kB (U) 
[  485.325129]  ? rcu_irq_exit+0x1a2/0x390
[  485.328986] 1*128kB (U) 
[  485.331594]  ? mark_held_locks+0x130/0x130
[  485.335534] 1*256kB (U) 
[  485.338226]  ? mark_held_locks+0x130/0x130
[  485.342430] 0*512kB 
[  485.345111]  ? try_to_wake_up+0x10a/0x12e0
[  485.349320] 1*1024kB 
[  485.351641]  ? zap_class+0x640/0x640
[  485.355860] (U) 
[  485.358268]  ? print_usage_bug+0xc0/0xc0
[  485.361961] 1*2048kB 
[  485.363935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.367973] (M) 
[  485.370382]  ? check_preemption_disabled+0x48/0x280
[  485.375893] 3*4096kB (M) 
[  485.377896]  ? __lock_is_held+0xb5/0x140
[  485.382885] = 15908kB
[  485.385647]  __alloc_pages_nodemask+0xa80/0xde0
[  485.389687] Node 0 
[  485.392096]  ? zap_class+0x640/0x640
[  485.396736] DMA32: 2*4kB 
[  485.398984]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  485.402677] (M) 
[  485.405441]  ? find_held_lock+0x36/0x1c0
[  485.410424] 3*8kB (UM) 
[  485.412415]  ? ____cache_alloc_node+0x1c7/0x1e0
[  485.416449] 3*16kB 
[  485.419031]  ? lock_downgrade+0x900/0x900
[  485.423669] (UM) 4*32kB 
[  485.425921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.430041] (UM) 5*64kB 
[  485.432726]  cache_grow_begin+0xa5/0x8c0
[  485.438236] (UM) 4*128kB 
[  485.440916]  ? do_raw_spin_unlock+0xa7/0x330
[  485.444954] (M) 
[  485.447719]  fallback_alloc+0x204/0x2e0
[  485.452099] 5*256kB (UM) 
[  485.454092]  ____cache_alloc_node+0x1c7/0x1e0
[  485.458047] 5*512kB 
[  485.460809]  kmem_cache_alloc_node+0xe3/0x730
[  485.465302] (UM) 
[  485.467627]  ? ipv6_get_ifaddr+0x42e/0x620
[  485.472103] 4*1024kB 
[  485.474173]  __alloc_skb+0x119/0x770
[  485.478399] (UM) 
[  485.480982]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  485.484683] 2*2048kB 
[  485.486747]  ? netdev_alloc_frag+0x1f0/0x1f0
[  485.492002] (M) 
[  485.494411]  ? lock_downgrade+0x900/0x900
[  485.498797] 3*4096kB 
[  485.500772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.504897] (M) 
[  485.507312]  ? refcount_sub_and_test_checked+0x203/0x310
[  485.512826] = 25360kB
[  485.514809]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  485.520240] Node 0 
[  485.522652]  ? addrconf_rs_timer+0x690/0x690
[  485.528078] Normal: 
[  485.530326]  ndisc_alloc_skb+0x144/0x340
[  485.534710] 783*4kB 
[  485.537036]  ndisc_send_rs+0x331/0x6e0
[  485.541072] (UMEH) 
[  485.543402]  addrconf_rs_timer+0x314/0x690
[  485.547260] 379*8kB (MEH) 
[  485.549517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  485.553722] 205*16kB 
[  485.556574]  call_timer_fn+0x272/0x920
[  485.560775] (UMEH) 
[  485.563184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  485.567049] 93*32kB 
[  485.569288]  ? process_timeout+0x40/0x40
[  485.573503] (UMEH) 
[  485.575828]  ? __run_timers+0x7da/0xc70
[  485.579864] 24*64kB 
[  485.582099]  ? _raw_spin_unlock_irq+0x27/0x80
[  485.586050] (UMH) 
[  485.588371]  ? _raw_spin_unlock_irq+0x27/0x80
[  485.592846] 1*128kB 
[  485.594991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  485.599469] (H) 
[  485.601792]  ? lockdep_hardirqs_on+0x296/0x5b0
[  485.606004] 0*256kB 
[  485.607978]  ? trace_hardirqs_on+0xbd/0x310
[  485.612545] 0*512kB 
[  485.614864]  ? kasan_check_read+0x11/0x20
[  485.619163] 0*1024kB 
[  485.621488]  ? __run_timers+0x7da/0xc70
[  485.625614] 0*2048kB 
[  485.628020]  ? trace_hardirqs_off_caller+0x310/0x310
[  485.631972] 0*4096kB 
[  485.634390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  485.639461] = 14084kB
[  485.641867]  __run_timers+0x7e5/0xc70
[  485.646087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  485.648505]  ? timer_fixup_init+0x70/0x70
[  485.652276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  485.661110]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  485.665239] 1070 total pagecache pages
[  485.673817]  ? zap_class+0x640/0x640
[  485.678820] 0 pages in swap cache
[  485.682709]  ? enqueue_hrtimer+0x1a5/0x560
[  485.686397] Swap cache stats: add 0, delete 0, find 0/0
[  485.686407] Free swap  = 0kB
[  485.689863]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  485.694076] Total swap = 0kB
[  485.699448]  ? find_held_lock+0x36/0x1c0
[  485.702444] 1965979 pages RAM
[  485.707639]  ? zap_class+0x640/0x640
[  485.710637] 0 pages HighMem/MovableOnly
[  485.714701]  ? pvclock_read_flags+0x160/0x160
[  485.717784] 342293 pages reserved
[  485.721507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.725452] 0 pages cma reserved
[  485.729950]  ? check_preemption_disabled+0x48/0x280
[  485.733454] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  485.738933]  ? __lock_is_held+0xb5/0x140
[  485.738954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.742392] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  485.747336]  ? check_preemption_disabled+0x48/0x280
[  485.753816] syz-fuzzer cpuset=
[  485.757890]  run_timer_softirq+0x52/0xb0
[  485.763409] /
[  485.773650]  ? rcu_read_lock_sched_held+0x14f/0x180
[  485.778655]  mems_allowed=0
[  485.781849]  __do_softirq+0x308/0xb7e
[  485.799364]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  485.803878]  ? lock_downgrade+0x900/0x900
[  485.808059]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  485.813183]  ? pvclock_read_flags+0x160/0x160
[  485.817689]  ? lapic_next_event+0x5a/0x90
[  485.821840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.827385]  ? kvm_clock_read+0x18/0x30
[  485.831362]  ? kvm_sched_clock_read+0x9/0x20
[  485.835774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.841312]  ? check_preemption_disabled+0x48/0x280
[  485.846347]  irq_exit+0x17f/0x1c0
[  485.849806]  smp_apic_timer_interrupt+0x1cb/0x760
[  485.854651]  ? smp_reschedule_interrupt+0x109/0x650
[  485.859673]  ? smp_call_function_single_interrupt+0x650/0x650
[  485.865560]  ? interrupt_entry+0xb5/0xc0
[  485.869635]  ? trace_hardirqs_off_caller+0xbb/0x310
[  485.874672]  ? trace_hardirqs_off_caller+0xbb/0x310
[  485.879691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  485.884535]  ? trace_hardirqs_on_caller+0x310/0x310
[  485.889554]  ? trace_hardirqs_on_caller+0x310/0x310
[  485.894589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  485.899445]  apic_timer_interrupt+0xf/0x20
[  485.903673]  </IRQ>
[  485.905912] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  485.910848] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  485.929769] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  485.937494] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  485.944772] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  485.952045] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  485.959326] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  485.966597] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  485.973911]  skb_clone+0x1bb/0x500
[  485.977456]  ? finish_task_switch+0x1b4/0x910
[  485.981959]  ? skb_split+0x11e0/0x11e0
[  485.985852]  ? preempt_notifier_register+0x200/0x200
[  485.990970]  ? __switch_to_asm+0x34/0x70
[  485.995048]  ? __switch_to_asm+0x34/0x70
[  485.999110]  ? __switch_to_asm+0x40/0x70
[  486.003197]  ? __switch_to_asm+0x34/0x70
[  486.007272]  ? __switch_to_asm+0x40/0x70
[  486.011338]  ? __switch_to_asm+0x34/0x70
[  486.015400]  ? __switch_to_asm+0x40/0x70
[  486.019463]  ? __switch_to_asm+0x34/0x70
[  486.023531]  ? __switch_to_asm+0x34/0x70
[  486.027592]  ? __switch_to_asm+0x40/0x70
[  486.031653]  ? __switch_to_asm+0x34/0x70
[  486.035732]  bpf_clone_redirect+0xb9/0x490
[  486.039988]  ? __schedule+0x8d7/0x21d0
[  486.043903]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  486.048949]  ? __sched_text_start+0x8/0x8
[  486.053131]  ? find_held_lock+0x36/0x1c0
[  486.057236]  ? lock_acquire+0x1ed/0x520
[  486.061241]  ? bpf_test_run+0x3cb/0x780
[  486.065247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.070822]  ? check_preemption_disabled+0x48/0x280
[  486.075872]  ? kasan_check_read+0x11/0x20
[  486.080044]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  486.085349]  ? rcu_softirq_qs+0x20/0x20
[  486.089355]  ? preempt_schedule+0x4d/0x60
[  486.093532]  ? ___preempt_schedule+0x16/0x18
[  486.097974]  ? bpf_test_run+0x25d/0x780
[  486.101985]  ? netlink_diag_dump+0x2a0/0x2a0
[  486.106420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  486.111981]  ? bpf_test_init.isra.10+0x70/0x100
[  486.116677]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  486.121458]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  486.126316]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  486.131871]  ? fput+0x130/0x1a0
[  486.135164]  ? __bpf_prog_get+0x9b/0x290
[  486.139243]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  486.144097]  ? bpf_prog_test_run+0x130/0x1a0
[  486.148523]  ? __x64_sys_bpf+0x3d8/0x520
[  486.152595]  ? bpf_prog_get+0x20/0x20
[  486.156420]  ? do_syscall_64+0x1b9/0x820
[  486.160488]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  486.165869]  ? syscall_return_slowpath+0x5e0/0x5e0
[  486.170812]  ? trace_hardirqs_on_caller+0x310/0x310
[  486.175838]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  486.180859]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  486.187536]  ? __switch_to_asm+0x40/0x70
[  486.191601]  ? __switch_to_asm+0x34/0x70
[  486.195682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.200546]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  486.205940] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  486.206032] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  486.212538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  486.212548] Call Trace:
[  486.219201] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  486.228379]  <IRQ>
[  486.230952] syz-executor1 cpuset=
[  486.241441]  dump_stack+0x244/0x39d
[  486.243571] syz1
[  486.247027]  ? dump_stack_print_info.cold.1+0x20/0x20
[  486.250639]  mems_allowed=0
[  486.252620]  warn_alloc.cold.117+0xb7/0x1bd
[  486.265034]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  486.269886]  ? lock_downgrade+0x900/0x900
[  486.274044]  ? trace_hardirqs_off+0xb8/0x310
[  486.278462]  ? trace_hardirqs_off+0xb8/0x310
[  486.282892]  __alloc_pages_slowpath+0x2660/0x2d70
[  486.287768]  ? warn_alloc+0x120/0x120
[  486.291580]  ? warn_alloc+0x120/0x120
[  486.295386]  ? print_usage_bug+0xc0/0xc0
[  486.299450]  ? warn_alloc+0x120/0x120
[  486.303255]  ? print_usage_bug+0xc0/0xc0
[  486.307318]  ? __lock_acquire+0x62f/0x4c20
[  486.311553]  ? __lock_acquire+0x62f/0x4c20
[  486.315796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  486.321336]  ? should_fail+0x22d/0xd01
[  486.325232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  486.330344]  ? __lock_acquire+0x62f/0x4c20
[  486.334585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  486.339691]  ? __lock_acquire+0x62f/0x4c20
[  486.343934]  ? should_fail+0x22d/0xd01
[  486.347842]  ? mark_held_locks+0x130/0x130
[  486.352084]  ? mark_held_locks+0x130/0x130
[  486.356320]  ? zap_class+0x640/0x640
[  486.360042]  ? zap_class+0x640/0x640
[  486.363761]  ? print_usage_bug+0xc0/0xc0
[  486.367820]  ? wq_watchdog_touch+0x9c/0xfe
[  486.372063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.377602]  ? check_preemption_disabled+0x48/0x280
[  486.382734]  ? __lock_is_held+0xb5/0x140
[  486.386807]  __alloc_pages_nodemask+0xa80/0xde0
[  486.391481]  ? zap_class+0x640/0x640
[  486.395202]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  486.400231]  ? find_held_lock+0x36/0x1c0
[  486.404309]  ? ____cache_alloc_node+0x1c7/0x1e0
[  486.408982]  ? lock_downgrade+0x900/0x900
[  486.413149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.418692]  cache_grow_begin+0xa5/0x8c0
[  486.422762]  ? do_raw_spin_unlock+0xa7/0x330
[  486.427180]  fallback_alloc+0x204/0x2e0
[  486.431161]  ____cache_alloc_node+0x1c7/0x1e0
[  486.435666]  kmem_cache_alloc_node+0xe3/0x730
[  486.440162]  ? ipv6_get_ifaddr+0x42e/0x620
[  486.444416]  __alloc_skb+0x119/0x770
[  486.448137]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  486.453420]  ? netdev_alloc_frag+0x1f0/0x1f0
[  486.457831]  ? lock_downgrade+0x900/0x900
[  486.461987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.467539]  ? refcount_sub_and_test_checked+0x203/0x310
[  486.473001]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  486.478472]  ? addrconf_rs_timer+0x690/0x690
[  486.482904]  ndisc_alloc_skb+0x144/0x340
[  486.486973]  ndisc_send_rs+0x331/0x6e0
[  486.490875]  addrconf_rs_timer+0x314/0x690
[  486.495125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  486.499382]  call_timer_fn+0x272/0x920
[  486.503284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  486.507526]  ? process_timeout+0x40/0x40
[  486.511601]  ? mark_held_locks+0xc7/0x130
[  486.515756]  ? _raw_spin_unlock_irq+0x27/0x80
[  486.520252]  ? _raw_spin_unlock_irq+0x27/0x80
[  486.524746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  486.528987]  ? lockdep_hardirqs_on+0x296/0x5b0
[  486.533576]  ? trace_hardirqs_on+0xbd/0x310
[  486.537903]  ? kasan_check_read+0x11/0x20
[  486.542051]  ? __run_timers+0x7da/0xc70
[  486.546035]  ? trace_hardirqs_off_caller+0x310/0x310
[  486.551168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  486.555407]  __run_timers+0x7e5/0xc70
[  486.559229]  ? timer_fixup_init+0x70/0x70
[  486.563395]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  486.568415]  ? zap_class+0x640/0x640
[  486.572138]  ? print_usage_bug+0xc0/0xc0
[  486.576217]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  486.581419]  ? find_held_lock+0x36/0x1c0
[  486.585485]  ? zap_class+0x640/0x640
[  486.589732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.595274]  ? check_preemption_disabled+0x48/0x280
[  486.600305]  ? __lock_is_held+0xb5/0x140
[  486.604369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.610443]  ? check_preemption_disabled+0x48/0x280
[  486.615469]  run_timer_softirq+0x52/0xb0
[  486.619532]  ? rcu_read_lock_sched_held+0x14f/0x180
[  486.624557]  __do_softirq+0x308/0xb7e
[  486.628364]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  486.632865]  ? lock_downgrade+0x900/0x900
[  486.637026]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  486.642141]  ? pvclock_read_flags+0x160/0x160
[  486.646645]  ? lapic_next_event+0x5a/0x90
[  486.650827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.656381]  ? kvm_clock_read+0x18/0x30
[  486.660360]  ? kvm_sched_clock_read+0x9/0x20
[  486.664780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.670323]  ? check_preemption_disabled+0x48/0x280
[  486.675358]  irq_exit+0x17f/0x1c0
[  486.678821]  smp_apic_timer_interrupt+0x1cb/0x760
[  486.683671]  ? smp_call_function_single_interrupt+0x650/0x650
[  486.689562]  ? interrupt_entry+0xb5/0xc0
[  486.693630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  486.698646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  486.703674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.708525]  ? trace_hardirqs_on_caller+0x310/0x310
[  486.713546]  ? trace_hardirqs_on_caller+0x310/0x310
[  486.718562]  ? task_prio+0x50/0x50
[  486.722105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.727648]  ? check_preemption_disabled+0x48/0x280
[  486.732675]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.737537]  apic_timer_interrupt+0xf/0x20
[  486.741766]  </IRQ>
[  486.744010] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  486.749118] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  486.768027] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  486.775744] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  486.783027] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  486.790295] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  486.797563] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  486.804836] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  486.812139]  shrink_active_list+0x67b/0x1c20
[  486.816550]  ? free_unref_page_list+0xd1b/0x11e0
[  486.821319]  ? shrink_inactive_list+0xa4a/0x1c60
[  486.826083]  ? zap_class+0x60f/0x640
[  486.829800]  ? shrink_inactive_list+0x1c60/0x1c60
[  486.834655]  ? _raw_spin_unlock_irq+0x27/0x80
[  486.839161]  ? find_held_lock+0x36/0x1c0
[  486.843232]  ? __page_frag_cache_drain+0x200/0x200
[  486.848162]  ? print_usage_bug+0xc0/0xc0
[  486.852246]  ? find_held_lock+0x36/0x1c0
[  486.856314]  ? zap_class+0x640/0x640
[  486.860033]  ? mark_held_locks+0xc7/0x130
[  486.864223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.869768]  ? check_preemption_disabled+0x48/0x280
[  486.874793]  ? zap_class+0x640/0x640
[  486.878511]  ? __lock_is_held+0xb5/0x140
[  486.882579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.888116]  ? check_preemption_disabled+0x48/0x280
[  486.893179]  ? __lock_is_held+0xb5/0x140
[  486.897278]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  486.902302]  ? inactive_list_is_low+0x305/0x880
[  486.906981]  ? lruvec_lru_size+0x450/0x450
[  486.911229]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  486.916175]  ? rcu_softirq_qs+0x20/0x20
[  486.920162]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  486.925108]  shrink_node_memcg+0x803/0x18f0
[  486.929456]  ? shrink_active_list+0x1c20/0x1c20
[  486.934132]  ? lock_downgrade+0x900/0x900
[  486.938302]  ? check_flush_dependency+0x410/0x410
[  486.943162]  ? kasan_check_read+0x11/0x20
[  486.947321]  ? ___preempt_schedule+0x16/0x18
[  486.951779]  ? _raw_spin_unlock+0x3f/0x50
[  486.955930]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  486.961128]  shrink_node+0x3bc/0x16b0
[  486.964937]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  486.970248]  ? shrink_node_memcg+0x18f0/0x18f0
[  486.974833]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  486.979429]  ? trace_hardirqs_on+0xbd/0x310
[  486.983750]  ? vmpressure+0x271/0x340
[  486.987562]  ? do_raw_spin_trylock+0x270/0x270
[  486.992150]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  486.997691]  ? __cpuset_node_allowed+0x19b/0x660
[  487.002456]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  487.008166]  ? vmpressure+0x1a2/0x340
[  487.011979]  do_try_to_free_pages+0x3e7/0x1290
[  487.016565]  ? zap_class+0x640/0x640
[  487.020295]  ? shrink_node+0x16b0/0x16b0
[  487.024362]  ? __lock_is_held+0xb5/0x140
[  487.028441]  try_to_free_pages+0x4d0/0xb90
[  487.032686]  ? do_try_to_free_pages+0x1290/0x1290
[  487.037530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.043085]  ? lock_acquire+0x1ed/0x520
[  487.047067]  ? set_page_refcounted+0x280/0x280
[  487.051657]  ? lock_release+0xa00/0xa00
[  487.055643]  ? perf_trace_sched_process_exec+0x860/0x860
[  487.061114]  __alloc_pages_slowpath+0x9c4/0x2d70
[  487.065899]  ? warn_alloc+0x120/0x120
[  487.069703]  ? rcu_softirq_qs+0x20/0x20
[  487.073707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  487.079250]  ? should_fail+0x22d/0xd01
[  487.083148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  487.088304]  ? zap_class+0x640/0x640
[  487.092052]  ? __lock_is_held+0xb5/0x140
[  487.096134]  ? mark_held_locks+0x130/0x130
[  487.100370]  ? lock_release+0xa00/0xa00
[  487.104353]  ? perf_trace_sched_process_exec+0x860/0x860
[  487.109820]  ? __might_sleep+0x95/0x190
[  487.113802]  __alloc_pages_nodemask+0xa80/0xde0
[  487.118478]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  487.123499]  ? __page_cache_alloc+0x191/0x5c0
[  487.128002]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  487.132936]  ? kasan_check_read+0x11/0x20
[  487.137085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  487.142363]  ? zap_class+0x640/0x640
[  487.146084]  ? zap_class+0x640/0x640
[  487.149795]  ? zap_class+0x640/0x640
[  487.153513]  ? __do_page_cache_readahead+0x7ce/0x980
[  487.158626]  ? find_held_lock+0x36/0x1c0
[  487.162694]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  487.168246]  alloc_pages_current+0x173/0x350
[  487.172663]  __page_cache_alloc+0x38c/0x5c0
[  487.176986]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  487.181922]  ? kasan_check_read+0x11/0x20
[  487.186076]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  487.191356]  ? generic_perform_write+0x6a0/0x6a0
[  487.196113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  487.201654]  ? check_preemption_disabled+0x48/0x280
[  487.206683]  filemap_fault+0x1594/0x25f0
[  487.210761]  ? __lock_page_or_retry+0xa00/0xa00
[  487.215445]  ? mark_held_locks+0x130/0x130
[  487.219700]  ? rcu_softirq_qs+0x20/0x20
[  487.223693]  ? filemap_map_pages+0xe04/0x1990
[  487.228223]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  487.232809]  ? __free_object+0x173/0x340
[  487.236870]  ? debug_object_free+0x36f/0x690
[  487.241281]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  487.246220]  ? trace_hardirqs_off_caller+0x310/0x310
[  487.251334]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  487.256016]  ? queue_work_on+0x12c/0x1e0
[  487.260089]  ? debug_object_free+0x36f/0x690
[  487.264499]  ? kasan_check_read+0x11/0x20
[  487.268655]  ? debug_object_destroy+0x2b0/0x2b0
[  487.273328]  ? lock_pi_update_atomic+0x150/0x150
[  487.278082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.283620]  ? __hrtimer_init+0xdb/0x240
[  487.287696]  ? lock_acquire+0x1ed/0x520
[  487.291671]  ? ext4_filemap_fault+0x7a/0xad
[  487.296008]  ? lock_release+0xa00/0xa00
[  487.299996]  ? perf_trace_sched_process_exec+0x860/0x860
[  487.305455]  ? print_usage_bug+0xc0/0xc0
[  487.309521]  ? print_usage_bug+0xc0/0xc0
[  487.313596]  ? down_read+0x8d/0x120
[  487.317231]  ? ext4_filemap_fault+0x7a/0xad
[  487.321557]  ? __down_interruptible+0x700/0x700
[  487.326247]  ext4_filemap_fault+0x82/0xad
[  487.330399]  __do_fault+0x100/0x6b0
[  487.334041]  ? pmd_devmap_trans_unstable+0x220/0x220
[  487.339147]  ? mark_held_locks+0x130/0x130
[  487.343399]  ? mark_held_locks+0x130/0x130
[  487.347647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  487.353191]  __handle_mm_fault+0x307c/0x5920
[  487.357606]  ? perf_trace_lock+0x7a0/0x7a0
[  487.361848]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  487.366705]  ? __switch_to_asm+0x34/0x70
[  487.370768]  ? __switch_to_asm+0x34/0x70
[  487.374845]  ? zap_class+0x640/0x640
[  487.378561]  ? zap_class+0x640/0x640
[  487.382304]  ? __x64_sys_futex+0x53e/0x6a0
[  487.386544]  ? find_held_lock+0x36/0x1c0
[  487.390615]  ? handle_mm_fault+0x42a/0xc70
[  487.394855]  ? lock_downgrade+0x900/0x900
[  487.399007]  ? check_preemption_disabled+0x48/0x280
[  487.404056]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  487.408991]  ? kasan_check_read+0x11/0x20
[  487.413149]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  487.418442]  ? rcu_softirq_qs+0x20/0x20
[  487.422420]  ? trace_hardirqs_off_caller+0x310/0x310
[  487.427527]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  487.433070]  ? check_preemption_disabled+0x48/0x280
[  487.438095]  handle_mm_fault+0x54f/0xc70
[  487.442160]  ? __handle_mm_fault+0x5920/0x5920
[  487.446748]  ? find_vma+0x34/0x190
[  487.450301]  __do_page_fault+0x5e8/0xe60
[  487.454364]  ? trace_hardirqs_off+0xb8/0x310
[  487.458790]  do_page_fault+0xf2/0x7e0
[  487.462597]  ? vmalloc_sync_all+0x30/0x30
[  487.466752]  ? error_entry+0x70/0xd0
[  487.470468]  ? trace_hardirqs_off_caller+0xbb/0x310
[  487.475485]  ? trace_hardirqs_on_caller+0xc0/0x310
[  487.480567]  ? syscall_return_slowpath+0x5e0/0x5e0
[  487.485497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  487.490356]  ? trace_hardirqs_on_caller+0x310/0x310
[  487.495370]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  487.500829]  ? prepare_exit_to_usermode+0x291/0x3b0
[  487.505851]  ? page_fault+0x8/0x30
[  487.509399]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  487.514248]  ? page_fault+0x8/0x30
[  487.517799]  page_fault+0x1e/0x30
[  487.521251] RIP: 0033:0x45ddf3
[  487.524460] Code: Bad RIP value.
[  487.527824] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  487.533188] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  487.540458] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  487.547726] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  487.554995] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  487.562272] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  487.569572] warn_alloc_show_mem: 1 callbacks suppressed
[  487.569584] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  487.569586] Mem-Info:
[  487.569616] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  487.569616]  active_file:15 inactive_file:12 isolated_file:0
[  487.569616]  unevictable:0 dirty:0 writeback:0 unstable:0
[  487.569616]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  487.569616]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  487.569616]  free:13694 free_pcp:0 free_cma:0
[  487.574965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  487.581903] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  487.584309] Call Trace:
[  487.617190] Node 0 
[  487.626546]  <IRQ>
[  487.654243] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  487.656802]  dump_stack+0x244/0x39d
[  487.659019] lowmem_reserve[]:
[  487.661174]  ? dump_stack_print_info.cold.1+0x20/0x20
[  487.686647]  0 2819
[  487.690302]  warn_alloc.cold.117+0xb7/0x1bd
[  487.693377]  6323
[  487.698566]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  487.700783]  6323
[  487.705104]  ? lock_downgrade+0x900/0x900
[  487.711998]  ? trace_hardirqs_off+0xb8/0x310
[  487.714045] Node 0 
[  487.718192]  ? trace_hardirqs_off+0xb8/0x310
[  487.722630] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  487.724847]  __alloc_pages_slowpath+0x2660/0x2d70
[  487.729238] lowmem_reserve[]:
[  487.756019]  ? warn_alloc+0x120/0x120
[  487.760825]  0
[  487.763932]  ? warn_alloc+0x120/0x120
[  487.767710]  0
[  487.769520]  ? print_usage_bug+0xc0/0xc0
[  487.773294]  3503
[  487.775100]  ? warn_alloc+0x120/0x120
[  487.779144]  3503
[  487.781208]  ? print_usage_bug+0xc0/0xc0
[  487.785005] Node 0 
[  487.787064]  ? __lock_acquire+0x62f/0x4c20
[  487.791132] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  487.793347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  487.797560] lowmem_reserve[]:
[  487.825676]  ? should_fail+0x22d/0xd01
[  487.831194]  0
[  487.834303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  487.838169]  0
[  487.839977]  ? __lock_acquire+0x62f/0x4c20
[  487.845060]  0
[  487.846863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  487.851074]  0
[  487.852875]  ? should_fail+0x22d/0xd01
[  487.857962] Node 0 
[  487.859778]  ? mark_held_locks+0x130/0x130
[  487.863630] DMA: 1*4kB 
[  487.865879]  ? mark_held_locks+0x130/0x130
[  487.870091] (U) 
[  487.872677]  ? print_usage_bug+0xc0/0xc0
[  487.876895] 0*8kB 
[  487.878868]  ? find_held_lock+0x36/0x1c0
[  487.882904] 0*16kB 1*32kB 
[  487.885062]  ? zap_class+0x640/0x640
[  487.889103] (U) 
[  487.891980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.895681] 2*64kB 
[  487.897661]  ? check_preemption_disabled+0x48/0x280
[  487.903182] (U) 
[  487.905431]  ? __lock_is_held+0xb5/0x140
[  487.910418] 1*128kB (U) 
[  487.912409]  __alloc_pages_nodemask+0xa80/0xde0
[  487.916438] 1*256kB (U) 
[  487.919116]  ? zap_class+0x640/0x640
[  487.923768] 0*512kB 
[  487.926440]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  487.930136] 1*1024kB 
[  487.932468]  ? find_held_lock+0x36/0x1c0
[  487.937456] (U) 
[  487.939875]  ? ____cache_alloc_node+0x1c7/0x1e0
[  487.943916] 1*2048kB 
[  487.945892]  ? lock_downgrade+0x900/0x900
[  487.950535] (M) 3*4096kB 
[  487.952959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.957084] (M) 
[  487.959848]  cache_grow_begin+0xa5/0x8c0
[  487.965357] = 15908kB
[  487.965367] Node 0 
[  487.967346]  ? do_raw_spin_unlock+0xa7/0x330
[  487.971388] DMA32: 
[  487.973805]  fallback_alloc+0x204/0x2e0
[  487.976033] 2*4kB 
[  487.980433]  ____cache_alloc_node+0x1c7/0x1e0
[  487.982650] (M) 
[  487.986623]  kmem_cache_alloc_node+0xe3/0x730
[  487.988752] 3*8kB 
[  487.993245]  ? mark_held_locks+0xc7/0x130
[  487.995225] (UM) 
[  487.999730]  __alloc_skb+0x119/0x770
[  488.001857] 3*16kB 
[  488.006015]  ? netdev_alloc_frag+0x1f0/0x1f0
[  488.008061] (UM) 
[  488.011776]  ? do_raw_spin_trylock+0x270/0x270
[  488.013992] 4*32kB 
[  488.018399]  ? kmem_cache_alloc_trace+0x353/0x750
[  488.020442] (UM) 
[  488.025028]  ? queue_work_on+0x12c/0x1e0
[  488.027247] 5*64kB 
[  488.032091]  ? switchdev_port_obj_del+0xdc/0x440
[  488.034132] (UM) 
[  488.038192]  ? switchdev_trans_item_enqueue+0x260/0x260
[  488.040419] 4*128kB 
[  488.045176]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  488.047225] (M) 
[  488.052591]  __br_mdb_notify+0x4ff/0x15d0
[  488.054899] 5*256kB 
[  488.059921]  ? __br_mdb_add+0x7f0/0x7f0
[  488.061872] (UM) 
[  488.066023]  ? zap_class+0x640/0x640
[  488.068330] 5*512kB 
[  488.072305]  ? kasan_check_read+0x11/0x20
[  488.074349] (UM) 
[  488.078064]  ? br_multicast_group_expired+0x96/0x610
[  488.080369] 4*1024kB 
[  488.084526]  br_mdb_notify+0x310/0x410
[  488.086560] (UM) 
[  488.091661]  ? br_mdb_dump+0x27b0/0x27b0
[  488.094052] 2*2048kB 
[  488.097937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.099986] (M) 
[  488.104050]  br_multicast_group_expired+0x1bc/0x610
[  488.106441] 3*4096kB 
[  488.111977]  ? br_mdb_free+0x80/0x80
[  488.113938] (M) 
[  488.118962]  call_timer_fn+0x272/0x920
[  488.121352] = 25360kB
[  488.125062]  ? br_mdb_free+0x80/0x80
[  488.127024] Node 0 
[  488.130914]  ? process_timeout+0x40/0x40
[  488.133303] Normal: 
[  488.137028]  ? __run_timers+0x7da/0xc70
[  488.139273] 783*4kB 
[  488.143339]  ? _raw_spin_unlock_irq+0x27/0x80
[  488.145644] (UMEH) 
[  488.149616]  ? _raw_spin_unlock_irq+0x27/0x80
[  488.151923] 379*8kB 
[  488.156414]  ? br_mdb_free+0x80/0x80
[  488.158634] (MEH) 
[  488.163128]  ? lockdep_hardirqs_on+0x296/0x5b0
[  488.165434] 205*16kB 
[  488.169144]  ? trace_hardirqs_on+0xbd/0x310
[  488.171272] (UMEH) 
[  488.175852]  ? kasan_check_read+0x11/0x20
[  488.178246] 93*32kB 
[  488.182567]  ? __run_timers+0x7da/0xc70
[  488.184785] (UMEH) 
[  488.188931]  ? trace_hardirqs_off_caller+0x310/0x310
[  488.191238] 24*64kB 
[  488.195217]  ? br_mdb_free+0x80/0x80
[  488.197436] (UMH) 
[  488.202556]  __run_timers+0x7e5/0xc70
[  488.204863] 1*128kB 
[  488.208582]  ? timer_fixup_init+0x70/0x70
[  488.210708] (H) 
[  488.214513]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  488.216811] 0*256kB 
[  488.220957]  ? zap_class+0x640/0x640
[  488.222918] 0*512kB 
[  488.227935]  ? enqueue_hrtimer+0x1a5/0x560
[  488.230243] 0*1024kB 
[  488.233957]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  488.236261] 0*2048kB 
[  488.240496]  ? find_held_lock+0x36/0x1c0
[  488.242887] 0*4096kB 
[  488.248078]  ? zap_class+0x640/0x640
[  488.250470] = 14084kB
[  488.254538]  ? pvclock_read_flags+0x160/0x160
[  488.256935] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  488.260643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.263043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  488.267536]  ? check_preemption_disabled+0x48/0x280
[  488.276356] 1070 total pagecache pages
[  488.281897]  ? __lock_is_held+0xb5/0x140
[  488.290454] 0 pages in swap cache
[  488.295462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.299332] Swap cache stats: add 0, delete 0, find 0/0
[  488.303389]  ? check_preemption_disabled+0x48/0x280
[  488.306826] Free swap  = 0kB
[  488.312366]  run_timer_softirq+0x52/0xb0
[  488.317705] Total swap = 0kB
[  488.322722]  ? rcu_read_lock_sched_held+0x14f/0x180
[  488.325720] 1965979 pages RAM
[  488.329781]  __do_softirq+0x308/0xb7e
[  488.332790] 0 pages HighMem/MovableOnly
[  488.337814]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  488.340896] 342293 pages reserved
[  488.344723]  ? lock_downgrade+0x900/0x900
[  488.348677] 0 pages cma reserved
[  488.353176]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  488.356668] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  488.360760]  ? pvclock_read_flags+0x160/0x160
[  488.364165] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  488.369209]  ? lapic_next_event+0x5a/0x90
[  488.375695] syz-fuzzer cpuset=
[  488.380192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.390406] /
[  488.394567]  ? kvm_clock_read+0x18/0x30
[  488.397742]  mems_allowed=0
[  488.403278]  ? kvm_sched_clock_read+0x9/0x20
[  488.416264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.421809]  ? check_preemption_disabled+0x48/0x280
[  488.426844]  irq_exit+0x17f/0x1c0
[  488.430306]  smp_apic_timer_interrupt+0x1cb/0x760
[  488.435153]  ? smp_reschedule_interrupt+0x109/0x650
[  488.440174]  ? smp_call_function_single_interrupt+0x650/0x650
[  488.446063]  ? interrupt_entry+0xb5/0xc0
[  488.450133]  ? trace_hardirqs_off_caller+0xbb/0x310
[  488.455156]  ? trace_hardirqs_off_caller+0xbb/0x310
[  488.460205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  488.465055]  ? trace_hardirqs_on_caller+0x310/0x310
[  488.470072]  ? trace_hardirqs_on_caller+0x310/0x310
[  488.475114]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  488.479973]  apic_timer_interrupt+0xf/0x20
[  488.484208]  </IRQ>
[  488.486449] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  488.491381] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  488.510315] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  488.518034] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  488.525308] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  488.532587] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  488.539856] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  488.547133] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  488.554457]  skb_clone+0x1bb/0x500
[  488.558035]  ? finish_task_switch+0x1b4/0x910
[  488.562539]  ? skb_split+0x11e0/0x11e0
[  488.566438]  ? preempt_notifier_register+0x200/0x200
[  488.571543]  ? __switch_to_asm+0x34/0x70
[  488.575614]  ? __switch_to_asm+0x34/0x70
[  488.579674]  ? __switch_to_asm+0x40/0x70
[  488.583742]  ? __switch_to_asm+0x34/0x70
[  488.587987]  ? __switch_to_asm+0x40/0x70
[  488.592050]  ? __switch_to_asm+0x34/0x70
[  488.596114]  ? __switch_to_asm+0x40/0x70
[  488.600202]  ? __switch_to_asm+0x34/0x70
[  488.604268]  ? __switch_to_asm+0x34/0x70
[  488.608331]  ? __switch_to_asm+0x40/0x70
[  488.612394]  ? __switch_to_asm+0x34/0x70
[  488.616470]  bpf_clone_redirect+0xb9/0x490
[  488.620717]  ? __schedule+0x8d7/0x21d0
[  488.624615]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  488.629641]  ? __sched_text_start+0x8/0x8
[  488.633808]  ? find_held_lock+0x36/0x1c0
[  488.637885]  ? lock_acquire+0x1ed/0x520
[  488.641861]  ? bpf_test_run+0x3cb/0x780
[  488.645839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.651384]  ? check_preemption_disabled+0x48/0x280
[  488.656409]  ? kasan_check_read+0x11/0x20
[  488.660565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  488.665849]  ? rcu_softirq_qs+0x20/0x20
[  488.669836]  ? preempt_schedule+0x4d/0x60
[  488.673990]  ? ___preempt_schedule+0x16/0x18
[  488.678409]  ? bpf_test_run+0x25d/0x780
[  488.682404]  ? netlink_diag_dump+0x2a0/0x2a0
[  488.686821]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  488.692359]  ? bpf_test_init.isra.10+0x70/0x100
[  488.697039]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  488.701812]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  488.706656]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  488.712197]  ? fput+0x130/0x1a0
[  488.715485]  ? __bpf_prog_get+0x9b/0x290
[  488.719557]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  488.724406]  ? bpf_prog_test_run+0x130/0x1a0
[  488.728828]  ? __x64_sys_bpf+0x3d8/0x520
[  488.732918]  ? bpf_prog_get+0x20/0x20
[  488.736745]  ? do_syscall_64+0x1b9/0x820
[  488.740812]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  488.746183]  ? syscall_return_slowpath+0x5e0/0x5e0
[  488.751123]  ? trace_hardirqs_on_caller+0x310/0x310
[  488.756146]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  488.761166]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  488.767837]  ? __switch_to_asm+0x40/0x70
[  488.771903]  ? __switch_to_asm+0x34/0x70
[  488.775971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  488.780828]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  488.786224] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  488.786245] rcu: INFO: rcu_preempt self-detected stall on CPU
[  488.792813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  488.792823] Call Trace:
[  488.808060]  <IRQ>
[  488.810862] rcu: 	0-...!: (1 GPs behind) idle=fc6/1/0x4000000000000004 softirq=218801/218802 fqs=1 
[  488.812784]  dump_stack+0x244/0x39d
[  488.812804]  ? dump_stack_print_info.cold.1+0x20/0x20
[  488.812832]  warn_alloc.cold.117+0xb7/0x1bd
[  488.812848]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  488.812866]  ? lock_downgrade+0x900/0x900
[  488.812889]  ? trace_hardirqs_off+0xb8/0x310
[  488.812910]  ? trace_hardirqs_off+0xb8/0x310
[  488.812933]  __alloc_pages_slowpath+0x2660/0x2d70
[  488.822302] rcu: 	
[  488.825957]  ? warn_alloc+0x120/0x120
[  488.831107]  (t=10569 jiffies g=53461 q=38)
[  488.835427]  ? warn_alloc+0x120/0x120
[  488.840260] rcu: rcu_preempt kthread starved for 10505 jiffies! g53461 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  488.844399]  ? print_usage_bug+0xc0/0xc0
[  488.848786] rcu: RCU grace-period kthread stack dump:
[  488.853195]  ? warn_alloc+0x120/0x120
[  488.858020] rcu_preempt     R
[  488.860167]  ? print_usage_bug+0xc0/0xc0
[  488.863947]   running task    
[  488.868269]  ? __lock_acquire+0x62f/0x4c20
[  488.872060] 22392    10      2 0x80000000
[  488.882536]  ? __lock_acquire+0x62f/0x4c20
[  488.886581] Call Trace:
[  488.891772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  488.895567]  __schedule+0x8cf/0x21d0
[  488.898659]  ? should_fail+0x22d/0xd01
[  488.902714]  ? __sched_text_start+0x8/0x8
[  488.905892]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  488.910122]  ? add_timer_on+0xa20/0xa20
[  488.914255]  ? __lock_acquire+0x62f/0x4c20
[  488.918484]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  488.921057]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  488.926582]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  488.930286]  ? __lock_acquire+0x62f/0x4c20
[  488.934162]  ? trace_hardirqs_on+0xbd/0x310
[  488.938298]  ? should_fail+0x22d/0xd01
[  488.943389]  ? kasan_check_read+0x11/0x20
[  488.947353]  ? find_held_lock+0x36/0x1c0
[  488.951578]  ? prepare_to_swait_event+0x25a/0x800
[  488.956674]  ? mark_held_locks+0x130/0x130
[  488.961761]  ? trace_hardirqs_off_caller+0x310/0x310
[  488.966852]  ? mark_held_locks+0x130/0x130
[  488.971083]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  488.975393]  ? zap_class+0x640/0x640
[  488.979274]  schedule+0xfe/0x460
[  488.983405]  ? zap_class+0x640/0x640
[  488.987461]  ? __schedule+0x21d0/0x21d0
[  488.992290]  ? print_usage_bug+0xc0/0xc0
[  488.996517]  ? prepare_to_swait_event+0x25a/0x800
[  489.001608]  ? do_raw_spin_unlock+0xa7/0x330
[  489.005835]  ? __init_swait_queue_head+0x150/0x150
[  489.010920]  ? zap_class+0x640/0x640
[  489.014624]  ? __lockdep_init_map+0x105/0x590
[  489.017984]  ? print_usage_bug+0xc0/0xc0
[  489.021689]  ? lockdep_init_map+0x9/0x10
[  489.025652]  ? wq_watchdog_touch+0x9c/0xfe
[  489.029709]  schedule_timeout+0x140/0x260
[  489.034538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.038940]  ? usleep_range+0x1a0/0x1a0
[  489.043867]  ? check_preemption_disabled+0x48/0x280
[  489.047576]  ? __next_timer_interrupt+0x1a0/0x1a0
[  489.052070]  ? __lock_is_held+0xb5/0x140
[  489.056130]  rcu_gp_fqs_loop+0x762/0xa80
[  489.060172]  __alloc_pages_nodemask+0xa80/0xde0
[  489.064404]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  489.068536]  ? zap_class+0x640/0x640
[  489.074067]  ? trace_hardirqs_off_caller+0x310/0x310
[  489.078036]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  489.083042]  ? perf_trace_sched_process_exec+0x860/0x860
[  489.087876]  ? find_held_lock+0x36/0x1c0
[  489.091921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.095975]  ? ____cache_alloc_node+0x1c7/0x1e0
[  489.100634]  ? rcu_gp_init+0x90b/0x1260
[  489.105371]  ? lock_downgrade+0x900/0x900
[  489.109076]  ? __switch_to_asm+0x40/0x70
[  489.114169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.119174]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  489.124611]  cache_grow_begin+0xa5/0x8c0
[  489.128659]  ? __switch_to_asm+0x40/0x70
[  489.134186]  ? do_raw_spin_unlock+0xa7/0x330
[  489.138838]  ? zap_class+0x640/0x640
[  489.142808]  fallback_alloc+0x204/0x2e0
[  489.146940]  ? find_held_lock+0x36/0x1c0
[  489.151015]  ____cache_alloc_node+0x1c7/0x1e0
[  489.156536]  ? zap_class+0x640/0x640
[  489.161284]  kmem_cache_alloc_node+0xe3/0x730
[  489.165340]  ? __lock_is_held+0xb5/0x140
[  489.169397]  ? ipv6_get_ifaddr+0x42e/0x620
[  489.173795]  ? __lock_is_held+0xb5/0x140
[  489.177502]  __alloc_skb+0x119/0x770
[  489.181463]  ? zap_class+0x640/0x640
[  489.185527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  489.190016]  ? rcu_accelerate_cbs+0x10a/0xae0
[  489.193718]  ? netdev_alloc_frag+0x1f0/0x1f0
[  489.198236]  ? find_held_lock+0x36/0x1c0
[  489.202286]  ? lock_downgrade+0x900/0x900
[  489.206524]  ? rcu_gp_kthread+0x8cf/0xc70
[  489.210569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.214277]  ? _raw_spin_unlock_irq+0x27/0x80
[  489.217979]  ? refcount_sub_and_test_checked+0x203/0x310
[  489.223243]  ? _raw_spin_unlock_irq+0x27/0x80
[  489.227726]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  489.232137]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  489.236187]  ? addrconf_rs_timer+0x690/0x690
[  489.240327]  ? trace_hardirqs_on+0xbd/0x310
[  489.244473]  ndisc_alloc_skb+0x144/0x340
[  489.249996]  ? kasan_check_read+0x11/0x20
[  489.254489]  ndisc_send_rs+0x331/0x6e0
[  489.259951]  ? trace_hardirqs_off_caller+0x310/0x310
[  489.264436]  addrconf_rs_timer+0x314/0x690
[  489.269874]  ? perf_trace_sched_process_exec+0x860/0x860
[  489.274445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  489.278844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.283161]  call_timer_fn+0x272/0x920
[  489.287234]  rcu_gp_kthread+0x341/0xc70
[  489.291371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  489.295258]  ? rcu_gp_init+0x1260/0x1260
[  489.300361]  ? process_timeout+0x40/0x40
[  489.304584]  ? mark_held_locks+0x130/0x130
[  489.310028]  ? mark_held_locks+0xc7/0x130
[  489.314249]  ? __schedule+0x168a/0x21d0
[  489.319770]  ? _raw_spin_unlock_irq+0x27/0x80
[  489.323650]  ? _raw_spin_unlock_irq+0x27/0x80
[  489.327622]  ? _raw_spin_unlock_irq+0x27/0x80
[  489.331846]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  489.335892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  489.339940]  ? trace_hardirqs_on+0xbd/0x310
[  489.344167]  ? lockdep_hardirqs_on+0x296/0x5b0
[  489.348307]  ? kasan_check_read+0x11/0x20
[  489.352266]  ? trace_hardirqs_on+0xbd/0x310
[  489.356754]  ? __schedule+0x168a/0x21d0
[  489.361254]  ? kasan_check_read+0x11/0x20
[  489.365763]  ? trace_hardirqs_off_caller+0x310/0x310
[  489.370344]  ? __run_timers+0x7da/0xc70
[  489.374564]  ? lock_pin_lock+0x350/0x350
[  489.378881]  ? trace_hardirqs_off_caller+0x310/0x310
[  489.383461]  ? _raw_spin_unlock_irq+0x60/0x80
[  489.387597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  489.392003]  ? __schedule+0x168a/0x21d0
[  489.395973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  489.400106]  ? __switch_to_asm+0x40/0x70
[  489.405197]  __run_timers+0x7e5/0xc70
[  489.409161]  ? __switch_to_asm+0x40/0x70
[  489.413227]  ? timer_fixup_init+0x70/0x70
[  489.418312]  ? __update_load_avg_se+0x961/0xae0
[  489.422791]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  489.427026]  ? __sched_text_start+0x8/0x8
[  489.430987]  ? zap_class+0x640/0x640
[  489.435220]  ? find_held_lock+0x36/0x1c0
[  489.439282]  ? print_usage_bug+0xc0/0xc0
[  489.443075]  ? __kthread_parkme+0xce/0x1a0
[  489.447128]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  489.451265]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  489.455926]  ? find_held_lock+0x36/0x1c0
[  489.460935]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  489.465067]  ? zap_class+0x640/0x640
[  489.468770]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  489.472820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.476866]  ? trace_hardirqs_on+0xbd/0x310
[  489.481283]  ? check_preemption_disabled+0x48/0x280
[  489.486468]  ? kasan_check_read+0x11/0x20
[  489.491564]  ? __lock_is_held+0xb5/0x140
[  489.495609]  ? __kthread_parkme+0xce/0x1a0
[  489.500707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.504408]  ? trace_hardirqs_off_caller+0x310/0x310
[  489.508980]  ? check_preemption_disabled+0x48/0x280
[  489.514519]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  489.518908]  run_timer_softirq+0x52/0xb0
[  489.523909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  489.528049]  ? rcu_read_lock_sched_held+0x14f/0x180
[  489.532117]  ? __kthread_parkme+0xfb/0x1a0
[  489.536343]  __do_softirq+0x308/0xb7e
[  489.541869]  kthread+0x35a/0x420
[  489.546961]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  489.551967]  ? rcu_gp_init+0x1260/0x1260
[  489.557057]  ? lock_downgrade+0x900/0x900
[  489.561104]  ? kthread_stop+0x900/0x900
[  489.566634]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  489.571635]  ret_from_fork+0x3a/0x50
[  489.575863]  ? pvclock_read_flags+0x160/0x160
[  489.579656] NMI backtrace for cpu 0
[  489.583010]  ? lapic_next_event+0x5a/0x90
[  489.620646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.626197]  ? kvm_clock_read+0x18/0x30
[  489.630177]  ? kvm_sched_clock_read+0x9/0x20
[  489.634588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.640126]  ? check_preemption_disabled+0x48/0x280
[  489.645171]  irq_exit+0x17f/0x1c0
[  489.648634]  smp_apic_timer_interrupt+0x1cb/0x760
[  489.653484]  ? smp_call_function_single_interrupt+0x650/0x650
[  489.659375]  ? interrupt_entry+0xb5/0xc0
[  489.663441]  ? trace_hardirqs_off_caller+0xbb/0x310
[  489.668469]  ? trace_hardirqs_off_caller+0xbb/0x310
[  489.673522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  489.678401]  ? trace_hardirqs_on_caller+0x310/0x310
[  489.683419]  ? trace_hardirqs_on_caller+0x310/0x310
[  489.688435]  ? task_prio+0x50/0x50
[  489.691982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.697526]  ? check_preemption_disabled+0x48/0x280
[  489.702554]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  489.707411]  apic_timer_interrupt+0xf/0x20
[  489.711645]  </IRQ>
[  489.713888] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  489.718993] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  489.737904] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  489.745623] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  489.752896] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  489.760165] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  489.767434] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  489.774704] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  489.782015]  shrink_active_list+0x67b/0x1c20
[  489.786425]  ? free_unref_page_list+0xd1b/0x11e0
[  489.791189]  ? shrink_inactive_list+0xa4a/0x1c60
[  489.795956]  ? zap_class+0x60f/0x640
[  489.799676]  ? shrink_inactive_list+0x1c60/0x1c60
[  489.804530]  ? _raw_spin_unlock_irq+0x27/0x80
[  489.809036]  ? find_held_lock+0x36/0x1c0
[  489.813099]  ? __page_frag_cache_drain+0x200/0x200
[  489.818045]  ? print_usage_bug+0xc0/0xc0
[  489.822131]  ? find_held_lock+0x36/0x1c0
[  489.826223]  ? zap_class+0x640/0x640
[  489.829945]  ? mark_held_locks+0xc7/0x130
[  489.834103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.839667]  ? check_preemption_disabled+0x48/0x280
[  489.844700]  ? zap_class+0x640/0x640
[  489.848417]  ? __lock_is_held+0xb5/0x140
[  489.852487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.858036]  ? check_preemption_disabled+0x48/0x280
[  489.863068]  ? __lock_is_held+0xb5/0x140
[  489.867149]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  489.872172]  ? inactive_list_is_low+0x305/0x880
[  489.876852]  ? lruvec_lru_size+0x450/0x450
[  489.881092]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  489.886033]  ? rcu_softirq_qs+0x20/0x20
[  489.890026]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  489.894970]  shrink_node_memcg+0x803/0x18f0
[  489.899318]  ? shrink_active_list+0x1c20/0x1c20
[  489.904033]  ? lock_downgrade+0x900/0x900
[  489.908186]  ? check_flush_dependency+0x410/0x410
[  489.913064]  ? kasan_check_read+0x11/0x20
[  489.917244]  ? ___preempt_schedule+0x16/0x18
[  489.921667]  ? _raw_spin_unlock+0x3f/0x50
[  489.925820]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  489.931021]  shrink_node+0x3bc/0x16b0
[  489.934828]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  489.940137]  ? shrink_node_memcg+0x18f0/0x18f0
[  489.944722]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  489.949306]  ? trace_hardirqs_on+0xbd/0x310
[  489.953632]  ? vmpressure+0x271/0x340
[  489.957445]  ? do_raw_spin_trylock+0x270/0x270
[  489.962036]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  489.967583]  ? __cpuset_node_allowed+0x19b/0x660
[  489.972345]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  489.978072]  ? vmpressure+0x1a2/0x340
[  489.981899]  do_try_to_free_pages+0x3e7/0x1290
[  489.986481]  ? zap_class+0x640/0x640
[  489.990229]  ? shrink_node+0x16b0/0x16b0
[  489.994298]  ? __lock_is_held+0xb5/0x140
[  489.998380]  try_to_free_pages+0x4d0/0xb90
[  490.002646]  ? do_try_to_free_pages+0x1290/0x1290
[  490.007487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.013054]  ? lock_acquire+0x1ed/0x520
[  490.017038]  ? set_page_refcounted+0x280/0x280
[  490.021625]  ? lock_release+0xa00/0xa00
[  490.025610]  ? perf_trace_sched_process_exec+0x860/0x860
[  490.031078]  __alloc_pages_slowpath+0x9c4/0x2d70
[  490.035865]  ? warn_alloc+0x120/0x120
[  490.039667]  ? rcu_softirq_qs+0x20/0x20
[  490.043676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  490.049217]  ? should_fail+0x22d/0xd01
[  490.053116]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  490.058231]  ? zap_class+0x640/0x640
[  490.061978]  ? __lock_is_held+0xb5/0x140
[  490.066059]  ? mark_held_locks+0x130/0x130
[  490.070299]  ? lock_release+0xa00/0xa00
[  490.074309]  ? perf_trace_sched_process_exec+0x860/0x860
[  490.079783]  ? __might_sleep+0x95/0x190
[  490.083770]  __alloc_pages_nodemask+0xa80/0xde0
[  490.088448]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  490.093482]  ? __page_cache_alloc+0x191/0x5c0
[  490.097980]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  490.102918]  ? kasan_check_read+0x11/0x20
[  490.107073]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  490.112414]  ? zap_class+0x640/0x640
[  490.116139]  ? zap_class+0x640/0x640
[  490.119856]  ? zap_class+0x640/0x640
[  490.123582]  ? __do_page_cache_readahead+0x7ce/0x980
[  490.128693]  ? find_held_lock+0x36/0x1c0
[  490.132760]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  490.138311]  alloc_pages_current+0x173/0x350
[  490.142728]  __page_cache_alloc+0x38c/0x5c0
[  490.147053]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  490.151982]  ? kasan_check_read+0x11/0x20
[  490.156143]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  490.161424]  ? generic_perform_write+0x6a0/0x6a0
[  490.166181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  490.171721]  ? check_preemption_disabled+0x48/0x280
[  490.176747]  filemap_fault+0x1594/0x25f0
[  490.180827]  ? __lock_page_or_retry+0xa00/0xa00
[  490.185504]  ? mark_held_locks+0x130/0x130
[  490.189746]  ? rcu_softirq_qs+0x20/0x20
[  490.193735]  ? filemap_map_pages+0xe04/0x1990
[  490.198239]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  490.202827]  ? __free_object+0x173/0x340
[  490.206889]  ? debug_object_free+0x36f/0x690
[  490.211299]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  490.216258]  ? trace_hardirqs_off_caller+0x310/0x310
[  490.221382]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  490.226062]  ? queue_work_on+0x12c/0x1e0
[  490.230131]  ? debug_object_free+0x36f/0x690
[  490.234546]  ? kasan_check_read+0x11/0x20
[  490.238702]  ? debug_object_destroy+0x2b0/0x2b0
[  490.243377]  ? lock_pi_update_atomic+0x150/0x150
[  490.248133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.253679]  ? __hrtimer_init+0xdb/0x240
[  490.257756]  ? lock_acquire+0x1ed/0x520
[  490.261732]  ? ext4_filemap_fault+0x7a/0xad
[  490.266065]  ? lock_release+0xa00/0xa00
[  490.270045]  ? perf_trace_sched_process_exec+0x860/0x860
[  490.275499]  ? print_usage_bug+0xc0/0xc0
[  490.279566]  ? print_usage_bug+0xc0/0xc0
[  490.283642]  ? down_read+0x8d/0x120
[  490.287273]  ? ext4_filemap_fault+0x7a/0xad
[  490.291596]  ? __down_interruptible+0x700/0x700
[  490.296280]  ext4_filemap_fault+0x82/0xad
[  490.300432]  __do_fault+0x100/0x6b0
[  490.304066]  ? pmd_devmap_trans_unstable+0x220/0x220
[  490.309179]  ? mark_held_locks+0x130/0x130
[  490.313417]  ? mark_held_locks+0x130/0x130
[  490.317667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  490.323210]  __handle_mm_fault+0x307c/0x5920
[  490.327620]  ? perf_trace_lock+0x7a0/0x7a0
[  490.331863]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  490.336718]  ? __switch_to_asm+0x34/0x70
[  490.340786]  ? __switch_to_asm+0x34/0x70
[  490.344862]  ? zap_class+0x640/0x640
[  490.348575]  ? zap_class+0x640/0x640
[  490.352296]  ? __x64_sys_futex+0x53e/0x6a0
[  490.356537]  ? find_held_lock+0x36/0x1c0
[  490.360613]  ? handle_mm_fault+0x42a/0xc70
[  490.364853]  ? lock_downgrade+0x900/0x900
[  490.369032]  ? check_preemption_disabled+0x48/0x280
[  490.374057]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  490.379023]  ? kasan_check_read+0x11/0x20
[  490.383172]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  490.388449]  ? rcu_softirq_qs+0x20/0x20
[  490.392427]  ? trace_hardirqs_off_caller+0x310/0x310
[  490.397536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  490.403080]  ? check_preemption_disabled+0x48/0x280
[  490.408112]  handle_mm_fault+0x54f/0xc70
[  490.412179]  ? __handle_mm_fault+0x5920/0x5920
[  490.416771]  ? find_vma+0x34/0x190
[  490.420343]  __do_page_fault+0x5e8/0xe60
[  490.424402]  ? trace_hardirqs_off+0xb8/0x310
[  490.428826]  do_page_fault+0xf2/0x7e0
[  490.432629]  ? vmalloc_sync_all+0x30/0x30
[  490.436779]  ? error_entry+0x70/0xd0
[  490.440494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  490.445511]  ? trace_hardirqs_on_caller+0xc0/0x310
[  490.450444]  ? syscall_return_slowpath+0x5e0/0x5e0
[  490.455373]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  490.460221]  ? trace_hardirqs_on_caller+0x310/0x310
[  490.465239]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  490.470694]  ? prepare_exit_to_usermode+0x291/0x3b0
[  490.475715]  ? page_fault+0x8/0x30
[  490.479260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  490.484110]  ? page_fault+0x8/0x30
[  490.487654]  page_fault+0x1e/0x30
[  490.491108] RIP: 0033:0x45ddf3
[  490.494318] Code: Bad RIP value.
[  490.497684] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  490.503050] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  490.510317] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  490.517584] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  490.524854] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  490.532119] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  490.539414] warn_alloc_show_mem: 1 callbacks suppressed
[  490.539426] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  490.539428] Mem-Info:
[  490.539458] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  490.539458]  active_file:15 inactive_file:12 isolated_file:0
[  490.539458]  unevictable:0 dirty:0 writeback:0 unstable:0
[  490.539458]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  490.539458]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  490.539458]  free:13694 free_pcp:0 free_cma:0
[  490.544795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  490.544804] Call Trace:
[  490.551741] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  490.554148]  <IRQ>
[  490.587032] Node 0 
[  490.596656]  dump_stack+0x244/0x39d
[  490.599252] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  490.626914]  ? dump_stack_print_info.cold.1+0x20/0x20
[  490.629037] lowmem_reserve[]: 0
[  490.631285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.634884]  2819 6323
[  490.660402]  ? do_raw_spin_lock+0x14f/0x350
[  490.665573]  6323
[  490.668857]  nmi_cpu_backtrace.cold.1+0x5c/0xa1
[  490.674368] Node 0 
[  490.676868]  ? lapic_can_unplug_cpu.cold.26+0x3f/0x3f
[  490.681188] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  490.683240]  nmi_trigger_cpumask_backtrace+0x1b3/0x1ed
[  490.687884] lowmem_reserve[]: 0
[  490.690144]  arch_trigger_cpumask_backtrace+0x14/0x20
[  490.695307]  0 3503
[  490.722060]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  490.727320]  3503
[  490.730611]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  490.738008]  ? print_other_cpu_stall+0x160/0x160
[  490.742400] Node 0 
[  490.744467]  ? print_usage_bug+0xc0/0xc0
[  490.749234] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  490.753953]  ? check_preemption_disabled+0x48/0x280
[  490.756162] lowmem_reserve[]: 0
[  490.760229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.760246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.788342]  0 0
[  490.793387]  ? do_trace_rcu_torture_read+0x10/0x10
[  490.796636]  0
[  490.802211]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  490.807704] Node 0 
[  490.809684]  ? __lock_is_held+0xb5/0x140
[  490.814588] DMA: 1*4kB 
[  490.816405]  ? __rcu_read_lock+0x50/0x50
[  490.821657] (U) 
[  490.823898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.827929] 0*8kB 0*16kB 
[  490.830526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.834556] 1*32kB (U) 
[  490.836543]  ? check_preemption_disabled+0x48/0x280
[  490.842058] 2*64kB 
[  490.844826]  rcu_check_callbacks+0xf3b/0x13f0
[  490.850332] (U) 1*128kB 
[  490.852958]  ? rcutree_dead_cpu+0x10/0x10
[  490.857940] (U) 1*256kB 
[  490.860190]  ? lock_downgrade+0x900/0x900
[  490.864664] (U) 
[  490.867336]  ? lock_release+0x920/0xa00
[  490.871462] 0*512kB 
[  490.874143]  ? zap_class+0x640/0x640
[  490.878263] 1*1024kB 
[  490.880255]  ? zap_class+0x640/0x640
[  490.884209] (U) 
[  490.886542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.890230] 1*2048kB (M) 
[  490.892724]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  490.896348] 3*4096kB 
[  490.898325]  ? kvm_set_tsc_khz+0x540/0x540
[  490.903855] (M) 
[  490.906617]  ? find_held_lock+0x36/0x1c0
[  490.911176] = 15908kB
[  490.913587]  ? zap_class+0x640/0x640
[  490.917799] Node 0 
[  490.919777]  ? timekeeping_advance+0x3cc/0xc00
[  490.923817] DMA32: 
[  490.926234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.929918] 2*4kB 
[  490.932155]  ? check_preemption_disabled+0x48/0x280
[  490.936714] (M) 
[  490.938957]  ? trace_hardirqs_off+0xb8/0x310
[  490.944472] 3*8kB 
[  490.946632]  ? __lock_is_held+0xb5/0x140
[  490.951619] (UM) 3*16kB 
[  490.953607]  ? trace_hardirqs_on+0x310/0x310
[  490.957993] (UM) 
[  490.960144]  ? check_preemption_disabled+0x48/0x280
[  490.964185] 4*32kB 
[  490.966868]  ? raise_softirq+0x199/0x420
[  490.971251] (UM) 
[  490.973318]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  490.978309] 5*64kB 
[  490.980544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.984581] (UM) 
[  490.986646]  ? check_preemption_disabled+0x48/0x280
[  490.991297] 4*128kB 
[  490.993536]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  490.999046] (M) 
[  491.001112]  ? hrtimer_run_queues+0x9a/0x400
[  491.006131] 5*256kB 
[  491.008453]  ? run_local_timers+0x19b/0x230
[  491.013967] (UM) 
[  491.015943]  ? timer_clear_idle+0x90/0x90
[  491.020323] 5*512kB (UM) 
[  491.022662]  ? debug_smp_processor_id+0x1c/0x20
[  491.026979] 4*1024kB 
[  491.029047]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  491.033161] (UM) 2*2048kB 
[  491.035936]  ? account_process_tick+0x282/0x350
[  491.040577] (M) 
[  491.043014]  update_process_times+0x2d/0x70
[  491.048961] 3*4096kB 
[  491.051803]  tick_sched_handle+0x9f/0x180
[  491.056447] (M) 
[  491.058425]  tick_sched_timer+0x45/0x130
[  491.062727] = 25360kB
[  491.065137]  __hrtimer_run_queues+0x41c/0x10d0
[  491.069268] Node 0 
[  491.071261]  ? tick_sched_do_timer+0x1a0/0x1a0
[  491.075297] Normal: 
[  491.077723]  ? hrtimer_start_range_ns+0xe00/0xe00
[  491.082284] 783*4kB 
[  491.084537]  ? pvclock_read_flags+0x160/0x160
[  491.089086] (UMEH) 
[  491.091410]  ? trace_hardirqs_on+0x310/0x310
[  491.096236] 379*8kB 
[  491.098559]  ? zap_class+0x640/0x640
[  491.103029] (MEH) 205*16kB 
[  491.105280]  ? kvm_clock_read+0x18/0x30
[  491.109658] (UMEH) 
[  491.111980]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  491.115672] 93*32kB 
[  491.118603]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  491.122566] (UMEH) 
[  491.124803]  ? do_timer+0x50/0x50
[  491.129796] 24*64kB 
[  491.132117]  ? rwlock_bug.part.2+0x90/0x90
[  491.137455] (UMH) 
[  491.139693]  ? trace_hardirqs_on+0x310/0x310
[  491.143126] 1*128kB 
[  491.145447]  ? rcu_softirq_qs+0x20/0x20
[  491.149658] (H) 0*256kB 
[  491.151830]  hrtimer_interrupt+0x313/0x780
[  491.156199] 0*512kB 0*1024kB 
[  491.158562]  smp_apic_timer_interrupt+0x1a1/0x760
[  491.162491] 0*2048kB 0*4096kB 
[  491.165202]  ? smp_call_function_single_interrupt+0x650/0x650
[  491.169415] = 14084kB
[  491.172520]  ? interrupt_entry+0xb5/0xc0
[  491.177349] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  491.180540]  ? trace_hardirqs_off_caller+0xbb/0x310
[  491.186409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  491.188812]  ? ____cache_alloc_node+0x1c7/0x1e0
[  491.192856] 1070 total pagecache pages
[  491.201695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  491.206694] 0 pages in swap cache
[  491.215261]  ? trace_hardirqs_on_caller+0x310/0x310
[  491.219920] Swap cache stats: add 0, delete 0, find 0/0
[  491.223813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  491.228620] Free swap  = 0kB
[  491.232076]  apic_timer_interrupt+0xf/0x20
[  491.237060] Total swap = 0kB
[  491.242422] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  491.247241] 1965979 pages RAM
[  491.250256] Code: 40 7e 0f 85 32 ff ff ff e8 15 92 3e ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 84 0c 70 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 c2 3b
[  491.254473] 0 pages HighMem/MovableOnly
[  491.254483] 342293 pages reserved
[  491.257510] RSP: 0000:ffff8801dae07268 EFLAGS: 00000286
[  491.262852] 0 pages cma reserved
[  491.265953]  ORIG_RAX: ffffffffffffff13
[  491.284913] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  491.288821] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10032c1f5be
[  491.288834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  491.292334] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  491.297637] RBP: ffff8801dae072d8 R08: ffff8801960fadf0 R09: 0000000000000002
[  491.300994] syz-fuzzer cpuset=
[  491.304955] R10: 0000000000000000 R11: ffff8801960fa500 R12: ffff8801d9a05040
[  491.304968] R13: ffff8801d9a05040 R14: 0000000000000000 R15: 0000000000000286
[  491.311450] /
[  491.318732]  ? apic_timer_interrupt+0xa/0x20
[  491.325981]  mems_allowed=0
[  491.370232]  ? mark_held_locks+0xc7/0x130
[  491.374396]  __alloc_skb+0x119/0x770
[  491.378122]  ? netdev_alloc_frag+0x1f0/0x1f0
[  491.382544]  ? do_raw_spin_trylock+0x270/0x270
[  491.387135]  ? kmem_cache_alloc_trace+0x353/0x750
[  491.391991]  ? queue_work_on+0x12c/0x1e0
[  491.396065]  ? switchdev_port_obj_del+0xdc/0x440
[  491.400830]  ? switchdev_trans_item_enqueue+0x260/0x260
[  491.406204]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  491.411243]  __br_mdb_notify+0x4ff/0x15d0
[  491.415409]  ? __br_mdb_add+0x7f0/0x7f0
[  491.419399]  ? zap_class+0x640/0x640
[  491.423121]  ? kasan_check_read+0x11/0x20
[  491.427282]  ? br_multicast_group_expired+0x96/0x610
[  491.432399]  br_mdb_notify+0x310/0x410
[  491.436294]  ? br_mdb_dump+0x27b0/0x27b0
[  491.440367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.445919]  br_multicast_group_expired+0x1bc/0x610
[  491.450947]  ? br_mdb_free+0x80/0x80
[  491.454678]  call_timer_fn+0x272/0x920
[  491.458568]  ? br_mdb_free+0x80/0x80
[  491.462285]  ? process_timeout+0x40/0x40
[  491.466363]  ? __run_timers+0x7da/0xc70
[  491.470350]  ? _raw_spin_unlock_irq+0x27/0x80
[  491.474853]  ? _raw_spin_unlock_irq+0x27/0x80
[  491.479347]  ? br_mdb_free+0x80/0x80
[  491.483243]  ? lockdep_hardirqs_on+0x296/0x5b0
[  491.487833]  ? trace_hardirqs_on+0xbd/0x310
[  491.492155]  ? kasan_check_read+0x11/0x20
[  491.496311]  ? __run_timers+0x7da/0xc70
[  491.500292]  ? trace_hardirqs_off_caller+0x310/0x310
[  491.505413]  ? br_mdb_free+0x80/0x80
[  491.509133]  __run_timers+0x7e5/0xc70
[  491.512952]  ? timer_fixup_init+0x70/0x70
[  491.517104]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  491.522128]  ? zap_class+0x640/0x640
[  491.525854]  ? enqueue_hrtimer+0x1a5/0x560
[  491.530101]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  491.535305]  ? find_held_lock+0x36/0x1c0
[  491.539374]  ? zap_class+0x640/0x640
[  491.543096]  ? pvclock_read_flags+0x160/0x160
[  491.547597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.553140]  ? check_preemption_disabled+0x48/0x280
[  491.558169]  ? __lock_is_held+0xb5/0x140
[  491.562242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.567781]  ? check_preemption_disabled+0x48/0x280
[  491.572812]  run_timer_softirq+0x52/0xb0
[  491.576875]  ? rcu_read_lock_sched_held+0x14f/0x180
[  491.581902]  __do_softirq+0x308/0xb7e
[  491.585714]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  491.590213]  ? lock_downgrade+0x900/0x900
[  491.594374]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  491.599495]  ? pvclock_read_flags+0x160/0x160
[  491.604028]  ? lapic_next_event+0x5a/0x90
[  491.608188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.613737]  ? kvm_clock_read+0x18/0x30
[  491.617717]  ? kvm_sched_clock_read+0x9/0x20
[  491.622130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.627674]  ? check_preemption_disabled+0x48/0x280
[  491.632708]  irq_exit+0x17f/0x1c0
[  491.636168]  smp_apic_timer_interrupt+0x1cb/0x760
[  491.641016]  ? smp_reschedule_interrupt+0x109/0x650
[  491.646041]  ? smp_call_function_single_interrupt+0x650/0x650
[  491.651931]  ? interrupt_entry+0xb5/0xc0
[  491.655999]  ? trace_hardirqs_off_caller+0xbb/0x310
[  491.661023]  ? trace_hardirqs_off_caller+0xbb/0x310
[  491.666048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  491.670901]  ? trace_hardirqs_on_caller+0x310/0x310
[  491.675934]  ? trace_hardirqs_on_caller+0x310/0x310
[  491.680982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  491.685854]  apic_timer_interrupt+0xf/0x20
[  491.690097]  </IRQ>
[  491.692348] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  491.697283] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  491.716187] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  491.723902] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  491.731176] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  491.738449] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  491.745719] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  491.752988] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  491.760310]  skb_clone+0x1bb/0x500
[  491.763858]  ? finish_task_switch+0x1b4/0x910
[  491.768363]  ? skb_split+0x11e0/0x11e0
[  491.772259]  ? preempt_notifier_register+0x200/0x200
[  491.777369]  ? __switch_to_asm+0x34/0x70
[  491.781437]  ? __switch_to_asm+0x34/0x70
[  491.785519]  ? __switch_to_asm+0x40/0x70
[  491.789582]  ? __switch_to_asm+0x34/0x70
[  491.793643]  ? __switch_to_asm+0x40/0x70
[  491.797704]  ? __switch_to_asm+0x34/0x70
[  491.801775]  ? __switch_to_asm+0x40/0x70
[  491.805849]  ? __switch_to_asm+0x34/0x70
[  491.809915]  ? __switch_to_asm+0x34/0x70
[  491.813976]  ? __switch_to_asm+0x40/0x70
[  491.818037]  ? __switch_to_asm+0x34/0x70
[  491.822111]  bpf_clone_redirect+0xb9/0x490
[  491.826358]  ? __schedule+0x8d7/0x21d0
[  491.830260]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  491.835288]  ? __sched_text_start+0x8/0x8
[  491.839452]  ? find_held_lock+0x36/0x1c0
[  491.843530]  ? lock_acquire+0x1ed/0x520
[  491.847538]  ? bpf_test_run+0x3cb/0x780
[  491.851523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.857071]  ? check_preemption_disabled+0x48/0x280
[  491.862099]  ? kasan_check_read+0x11/0x20
[  491.866255]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  491.871542]  ? rcu_softirq_qs+0x20/0x20
[  491.875529]  ? preempt_schedule+0x4d/0x60
[  491.879681]  ? ___preempt_schedule+0x16/0x18
[  491.884100]  ? bpf_test_run+0x25d/0x780
[  491.888093]  ? netlink_diag_dump+0x2a0/0x2a0
[  491.892517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  491.898056]  ? bpf_test_init.isra.10+0x70/0x100
[  491.902739]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  491.907513]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  491.912364]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  491.917912]  ? fput+0x130/0x1a0
[  491.921201]  ? __bpf_prog_get+0x9b/0x290
[  491.925270]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  491.930117]  ? bpf_prog_test_run+0x130/0x1a0
[  491.934537]  ? __x64_sys_bpf+0x3d8/0x520
[  491.938605]  ? bpf_prog_get+0x20/0x20
[  491.942436]  ? do_syscall_64+0x1b9/0x820
[  491.946510]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  491.951878]  ? syscall_return_slowpath+0x5e0/0x5e0
[  491.956817]  ? trace_hardirqs_on_caller+0x310/0x310
[  491.961842]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  491.966863]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  491.973548]  ? __switch_to_asm+0x40/0x70
[  491.977617]  ? __switch_to_asm+0x34/0x70
[  491.981693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  491.986574]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  491.991969] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  491.992384] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  491.998564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  491.998574] Call Trace:
[  492.009050] syz-executor1 cpuset=
[  492.018401]  <IRQ>
[  492.020976] syz1
[  492.024434]  dump_stack+0x244/0x39d
[  492.026563]  mems_allowed=0
[  492.028537]  ? dump_stack_print_info.cold.1+0x20/0x20
[  492.040260]  warn_alloc.cold.117+0xb7/0x1bd
[  492.044587]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  492.049446]  ? lock_downgrade+0x900/0x900
[  492.053606]  ? trace_hardirqs_off+0xb8/0x310
[  492.058032]  ? trace_hardirqs_off+0xb8/0x310
[  492.062455]  __alloc_pages_slowpath+0x2660/0x2d70
[  492.067336]  ? warn_alloc+0x120/0x120
[  492.071146]  ? warn_alloc+0x120/0x120
[  492.074952]  ? print_usage_bug+0xc0/0xc0
[  492.079025]  ? warn_alloc+0x120/0x120
[  492.082836]  ? print_usage_bug+0xc0/0xc0
[  492.086901]  ? __lock_acquire+0x62f/0x4c20
[  492.091140]  ? __lock_acquire+0x62f/0x4c20
[  492.095382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  492.100926]  ? should_fail+0x22d/0xd01
[  492.104822]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  492.109934]  ? __lock_acquire+0x62f/0x4c20
[  492.114183]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  492.119300]  ? __lock_acquire+0x62f/0x4c20
[  492.123540]  ? should_fail+0x22d/0xd01
[  492.127429]  ? find_held_lock+0x36/0x1c0
[  492.131501]  ? mark_held_locks+0x130/0x130
[  492.135774]  ? mark_held_locks+0x130/0x130
[  492.140015]  ? zap_class+0x640/0x640
[  492.143747]  ? zap_class+0x640/0x640
[  492.147472]  ? print_usage_bug+0xc0/0xc0
[  492.151542]  ? do_raw_spin_unlock+0xa7/0x330
[  492.155962]  ? zap_class+0x640/0x640
[  492.159678]  ? print_usage_bug+0xc0/0xc0
[  492.163745]  ? wq_watchdog_touch+0x9c/0xfe
[  492.167988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.173537]  ? check_preemption_disabled+0x48/0x280
[  492.178588]  ? __lock_is_held+0xb5/0x140
[  492.182661]  __alloc_pages_nodemask+0xa80/0xde0
[  492.187332]  ? zap_class+0x640/0x640
[  492.191055]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  492.196090]  ? find_held_lock+0x36/0x1c0
[  492.200164]  ? ____cache_alloc_node+0x1c7/0x1e0
[  492.204842]  ? lock_downgrade+0x900/0x900
[  492.209006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.214563]  cache_grow_begin+0xa5/0x8c0
[  492.218630]  ? do_raw_spin_unlock+0xa7/0x330
[  492.223052]  fallback_alloc+0x204/0x2e0
[  492.227040]  ____cache_alloc_node+0x1c7/0x1e0
[  492.231566]  kmem_cache_alloc_node+0xe3/0x730
[  492.236066]  ? ipv6_get_ifaddr+0x42e/0x620
[  492.240324]  __alloc_skb+0x119/0x770
[  492.244043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  492.249328]  ? netdev_alloc_frag+0x1f0/0x1f0
[  492.253745]  ? lock_downgrade+0x900/0x900
[  492.257908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.263454]  ? refcount_sub_and_test_checked+0x203/0x310
[  492.268914]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  492.274370]  ? addrconf_rs_timer+0x690/0x690
[  492.278804]  ndisc_alloc_skb+0x144/0x340
[  492.282874]  ndisc_send_rs+0x331/0x6e0
[  492.286770]  addrconf_rs_timer+0x314/0x690
[  492.291019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  492.295273]  call_timer_fn+0x272/0x920
[  492.299169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  492.303413]  ? process_timeout+0x40/0x40
[  492.307489]  ? mark_held_locks+0xc7/0x130
[  492.311646]  ? _raw_spin_unlock_irq+0x27/0x80
[  492.316144]  ? _raw_spin_unlock_irq+0x27/0x80
[  492.320640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  492.324880]  ? lockdep_hardirqs_on+0x296/0x5b0
[  492.329472]  ? trace_hardirqs_on+0xbd/0x310
[  492.333796]  ? kasan_check_read+0x11/0x20
[  492.337950]  ? __run_timers+0x7da/0xc70
[  492.341928]  ? trace_hardirqs_off_caller+0x310/0x310
[  492.347045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  492.351293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  492.355534]  __run_timers+0x7e5/0xc70
[  492.359354]  ? timer_fixup_init+0x70/0x70
[  492.363513]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  492.368534]  ? zap_class+0x640/0x640
[  492.372255]  ? print_usage_bug+0xc0/0xc0
[  492.376326]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  492.381524]  ? find_held_lock+0x36/0x1c0
[  492.385599]  ? zap_class+0x640/0x640
[  492.389371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.394930]  ? check_preemption_disabled+0x48/0x280
[  492.399965]  ? __lock_is_held+0xb5/0x140
[  492.404037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.409607]  ? check_preemption_disabled+0x48/0x280
[  492.414641]  run_timer_softirq+0x52/0xb0
[  492.418705]  ? rcu_read_lock_sched_held+0x14f/0x180
[  492.423725]  __do_softirq+0x308/0xb7e
[  492.427553]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  492.432057]  ? lock_downgrade+0x900/0x900
[  492.436227]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  492.441348]  ? pvclock_read_flags+0x160/0x160
[  492.445859]  ? lapic_next_event+0x5a/0x90
[  492.450020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.455570]  ? kvm_clock_read+0x18/0x30
[  492.459547]  ? kvm_sched_clock_read+0x9/0x20
[  492.463966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.469510]  ? check_preemption_disabled+0x48/0x280
[  492.474546]  irq_exit+0x17f/0x1c0
[  492.478013]  smp_apic_timer_interrupt+0x1cb/0x760
[  492.482868]  ? smp_call_function_single_interrupt+0x650/0x650
[  492.488755]  ? interrupt_entry+0xb5/0xc0
[  492.492827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  492.497848]  ? trace_hardirqs_off_caller+0xbb/0x310
[  492.502871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  492.507725]  ? trace_hardirqs_on_caller+0x310/0x310
[  492.512746]  ? trace_hardirqs_on_caller+0x310/0x310
[  492.517783]  ? task_prio+0x50/0x50
[  492.521331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.526876]  ? check_preemption_disabled+0x48/0x280
[  492.531904]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  492.536761]  apic_timer_interrupt+0xf/0x20
[  492.540991]  </IRQ>
[  492.543248] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  492.548361] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  492.567269] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  492.574983] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  492.582265] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  492.590050] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  492.597326] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  492.604597] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  492.611899]  shrink_active_list+0x67b/0x1c20
[  492.616309]  ? free_unref_page_list+0xd1b/0x11e0
[  492.621075]  ? shrink_inactive_list+0xa4a/0x1c60
[  492.625835]  ? zap_class+0x60f/0x640
[  492.629553]  ? shrink_inactive_list+0x1c60/0x1c60
[  492.634409]  ? _raw_spin_unlock_irq+0x27/0x80
[  492.638914]  ? find_held_lock+0x36/0x1c0
[  492.642976]  ? __page_frag_cache_drain+0x200/0x200
[  492.647908]  ? print_usage_bug+0xc0/0xc0
[  492.651984]  ? find_held_lock+0x36/0x1c0
[  492.656060]  ? zap_class+0x640/0x640
[  492.659781]  ? mark_held_locks+0xc7/0x130
[  492.663935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.669476]  ? check_preemption_disabled+0x48/0x280
[  492.674502]  ? zap_class+0x640/0x640
[  492.678232]  ? __lock_is_held+0xb5/0x140
[  492.682300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.687842]  ? check_preemption_disabled+0x48/0x280
[  492.692870]  ? __lock_is_held+0xb5/0x140
[  492.696944]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  492.701964]  ? inactive_list_is_low+0x305/0x880
[  492.706660]  ? lruvec_lru_size+0x450/0x450
[  492.710907]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  492.715844]  ? rcu_softirq_qs+0x20/0x20
[  492.719832]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  492.724774]  shrink_node_memcg+0x803/0x18f0
[  492.729114]  ? shrink_active_list+0x1c20/0x1c20
[  492.733789]  ? lock_downgrade+0x900/0x900
[  492.737945]  ? check_flush_dependency+0x410/0x410
[  492.742808]  ? kasan_check_read+0x11/0x20
[  492.746976]  ? ___preempt_schedule+0x16/0x18
[  492.751404]  ? _raw_spin_unlock+0x3f/0x50
[  492.755563]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  492.760760]  shrink_node+0x3bc/0x16b0
[  492.764569]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  492.769884]  ? shrink_node_memcg+0x18f0/0x18f0
[  492.774468]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  492.779056]  ? trace_hardirqs_on+0xbd/0x310
[  492.783382]  ? vmpressure+0x271/0x340
[  492.787202]  ? do_raw_spin_trylock+0x270/0x270
[  492.791811]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  492.797360]  ? __cpuset_node_allowed+0x19b/0x660
[  492.802130]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  492.807848]  ? vmpressure+0x1a2/0x340
[  492.811664]  do_try_to_free_pages+0x3e7/0x1290
[  492.816252]  ? zap_class+0x640/0x640
[  492.819987]  ? shrink_node+0x16b0/0x16b0
[  492.824062]  ? __lock_is_held+0xb5/0x140
[  492.828146]  try_to_free_pages+0x4d0/0xb90
[  492.832388]  ? do_try_to_free_pages+0x1290/0x1290
[  492.837239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.842791]  ? lock_acquire+0x1ed/0x520
[  492.846774]  ? set_page_refcounted+0x280/0x280
[  492.851367]  ? lock_release+0xa00/0xa00
[  492.855360]  ? perf_trace_sched_process_exec+0x860/0x860
[  492.860833]  __alloc_pages_slowpath+0x9c4/0x2d70
[  492.865623]  ? warn_alloc+0x120/0x120
[  492.869430]  ? rcu_softirq_qs+0x20/0x20
[  492.873445]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  492.878986]  ? should_fail+0x22d/0xd01
[  492.882889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  492.888008]  ? zap_class+0x640/0x640
[  492.891752]  ? __lock_is_held+0xb5/0x140
[  492.895829]  ? mark_held_locks+0x130/0x130
[  492.900068]  ? lock_release+0xa00/0xa00
[  492.904048]  ? perf_trace_sched_process_exec+0x860/0x860
[  492.909521]  ? __might_sleep+0x95/0x190
[  492.913507]  __alloc_pages_nodemask+0xa80/0xde0
[  492.918187]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  492.923225]  ? __page_cache_alloc+0x191/0x5c0
[  492.927725]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  492.932662]  ? kasan_check_read+0x11/0x20
[  492.936820]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  492.942104]  ? zap_class+0x640/0x640
[  492.945827]  ? zap_class+0x640/0x640
[  492.949541]  ? zap_class+0x640/0x640
[  492.953263]  ? __do_page_cache_readahead+0x7ce/0x980
[  492.958378]  ? find_held_lock+0x36/0x1c0
[  492.962447]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  492.968008]  alloc_pages_current+0x173/0x350
[  492.972430]  __page_cache_alloc+0x38c/0x5c0
[  492.976758]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  492.981693]  ? kasan_check_read+0x11/0x20
[  492.985849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  492.991134]  ? generic_perform_write+0x6a0/0x6a0
[  492.995897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  493.001439]  ? check_preemption_disabled+0x48/0x280
[  493.006468]  filemap_fault+0x1594/0x25f0
[  493.010546]  ? __lock_page_or_retry+0xa00/0xa00
[  493.015237]  ? mark_held_locks+0x130/0x130
[  493.019490]  ? rcu_softirq_qs+0x20/0x20
[  493.023484]  ? filemap_map_pages+0xe04/0x1990
[  493.027992]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  493.032586]  ? __free_object+0x173/0x340
[  493.036646]  ? debug_object_free+0x36f/0x690
[  493.041058]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  493.045991]  ? trace_hardirqs_off_caller+0x310/0x310
[  493.051104]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  493.055796]  ? queue_work_on+0x12c/0x1e0
[  493.059868]  ? debug_object_free+0x36f/0x690
[  493.064306]  ? kasan_check_read+0x11/0x20
[  493.068458]  ? debug_object_destroy+0x2b0/0x2b0
[  493.073130]  ? lock_pi_update_atomic+0x150/0x150
[  493.077889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.083430]  ? __hrtimer_init+0xdb/0x240
[  493.087508]  ? lock_acquire+0x1ed/0x520
[  493.091487]  ? ext4_filemap_fault+0x7a/0xad
[  493.095816]  ? lock_release+0xa00/0xa00
[  493.099802]  ? perf_trace_sched_process_exec+0x860/0x860
[  493.105258]  ? print_usage_bug+0xc0/0xc0
[  493.109320]  ? print_usage_bug+0xc0/0xc0
[  493.113395]  ? down_read+0x8d/0x120
[  493.117025]  ? ext4_filemap_fault+0x7a/0xad
[  493.121349]  ? __down_interruptible+0x700/0x700
[  493.126038]  ext4_filemap_fault+0x82/0xad
[  493.130191]  __do_fault+0x100/0x6b0
[  493.133829]  ? pmd_devmap_trans_unstable+0x220/0x220
[  493.138938]  ? mark_held_locks+0x130/0x130
[  493.143177]  ? mark_held_locks+0x130/0x130
[  493.147431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  493.152974]  __handle_mm_fault+0x307c/0x5920
[  493.157390]  ? perf_trace_lock+0x7a0/0x7a0
[  493.161636]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  493.166492]  ? __switch_to_asm+0x34/0x70
[  493.170556]  ? __switch_to_asm+0x34/0x70
[  493.174630]  ? zap_class+0x640/0x640
[  493.178344]  ? zap_class+0x640/0x640
[  493.182062]  ? __x64_sys_futex+0x53e/0x6a0
[  493.186302]  ? find_held_lock+0x36/0x1c0
[  493.190377]  ? handle_mm_fault+0x42a/0xc70
[  493.194615]  ? lock_downgrade+0x900/0x900
[  493.198767]  ? check_preemption_disabled+0x48/0x280
[  493.203790]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  493.208724]  ? kasan_check_read+0x11/0x20
[  493.212877]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  493.218157]  ? rcu_softirq_qs+0x20/0x20
[  493.222130]  ? trace_hardirqs_off_caller+0x310/0x310
[  493.227243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  493.232782]  ? check_preemption_disabled+0x48/0x280
[  493.237811]  handle_mm_fault+0x54f/0xc70
[  493.241879]  ? __handle_mm_fault+0x5920/0x5920
[  493.246474]  ? find_vma+0x34/0x190
[  493.250031]  __do_page_fault+0x5e8/0xe60
[  493.254098]  ? trace_hardirqs_off+0xb8/0x310
[  493.258524]  do_page_fault+0xf2/0x7e0
[  493.262328]  ? vmalloc_sync_all+0x30/0x30
[  493.266479]  ? error_entry+0x70/0xd0
[  493.270198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  493.275231]  ? trace_hardirqs_on_caller+0xc0/0x310
[  493.280161]  ? syscall_return_slowpath+0x5e0/0x5e0
[  493.285096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  493.289941]  ? trace_hardirqs_on_caller+0x310/0x310
[  493.294956]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  493.300418]  ? prepare_exit_to_usermode+0x291/0x3b0
[  493.305443]  ? page_fault+0x8/0x30
[  493.308990]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  493.313847]  ? page_fault+0x8/0x30
[  493.317391]  page_fault+0x1e/0x30
[  493.320846] RIP: 0033:0x45ddf3
[  493.324055] Code: Bad RIP value.
[  493.327429] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  493.332805] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  493.340077] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  493.347352] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  493.354621] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  493.361908] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  493.369211] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  493.369222] Mem-Info:
[  493.376178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  493.378598] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  493.378598]  active_file:15 inactive_file:12 isolated_file:0
[  493.378598]  unevictable:0 dirty:0 writeback:0 unstable:0
[  493.378598]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  493.378598]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  493.378598]  free:13694 free_pcp:0 free_cma:0
[  493.387950] Call Trace:
[  493.420854] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  493.423419]  <IRQ>
[  493.451090] 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
[  493.453279]  dump_stack+0x244/0x39d
[  493.453299]  ? dump_stack_print_info.cold.1+0x20/0x20
[  493.479391] lowmem_reserve[]: 0
[  493.483546]  warn_alloc.cold.117+0xb7/0x1bd
[  493.488706]  2819
[  493.491984]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  493.496288]  6323
[  493.498351]  ? lock_downgrade+0x900/0x900
[  493.503184]  6323
[  493.505258]  ? trace_hardirqs_off+0xb8/0x310
[  493.511445]  ? trace_hardirqs_off+0xb8/0x310
[  493.515831] Node 0 DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  493.520272]  __alloc_pages_slowpath+0x2660/0x2d70
[  493.520314]  ? warn_alloc+0x120/0x120
[  493.547597] lowmem_reserve[]: 0
[  493.552461]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  493.556237]  0
[  493.559518]  ? warn_alloc+0x120/0x120
[  493.564513]  3503
[  493.566315]  ? print_usage_bug+0xc0/0xc0
[  493.570093]  3503
[  493.572157]  ? warn_alloc+0x120/0x120
[  493.578270]  ? print_usage_bug+0xc0/0xc0
[  493.582052] Node 0 
[  493.586108]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  493.586145] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  493.588375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  493.593539] lowmem_reserve[]:
[  493.621658]  ? should_fail+0x22d/0xd01
[  493.627176]  0
[  493.630283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  493.634145]  0
[  493.635945]  ? __lock_acquire+0x62f/0x4c20
[  493.641028]  0
[  493.642830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  493.647041]  0
[  493.648840]  ? should_fail+0x22d/0xd01
[  493.655736]  ? mark_held_locks+0x130/0x130
[  493.659603] Node 0 DMA: 
[  493.663841]  ? mark_held_locks+0x130/0x130
[  493.663857]  ? print_usage_bug+0xc0/0xc0
[  493.666517] 1*4kB 
[  493.670747]  ? find_held_lock+0x36/0x1c0
[  493.674797] (U) 
[  493.676941]  ? zap_class+0x640/0x640
[  493.680983] 0*8kB 
[  493.682955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.686648] 0*16kB 
[  493.688793]  ? check_preemption_disabled+0x48/0x280
[  493.694309] 1*32kB 
[  493.696547]  ? __lock_is_held+0xb5/0x140
[  493.701541] (U) 
[  493.703776]  __alloc_pages_nodemask+0xa80/0xde0
[  493.707817] 2*64kB 
[  493.709786]  ? zap_class+0x640/0x640
[  493.714436] (U) 
[  493.716674]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  493.720412] 1*128kB 
[  493.722394]  ? find_held_lock+0x36/0x1c0
[  493.727380] (U) 
[  493.729709]  ? ____cache_alloc_node+0x1c7/0x1e0
[  493.733745] 1*256kB 
[  493.735719]  ? lock_downgrade+0x900/0x900
[  493.740370] (U) 
[  493.742697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.746823] 0*512kB 
[  493.748799]  cache_grow_begin+0xa5/0x8c0
[  493.754314] 1*1024kB 
[  493.756645]  ? do_raw_spin_unlock+0xa7/0x330
[  493.760687] (U) 
[  493.763102]  fallback_alloc+0x204/0x2e0
[  493.767492] 1*2048kB 
[  493.769481]  ____cache_alloc_node+0x1c7/0x1e0
[  493.773445] (M) 
[  493.775858]  kmem_cache_alloc_node+0xe3/0x730
[  493.780330] 3*4096kB 
[  493.782301]  ? mark_held_locks+0xc7/0x130
[  493.786775] (M) 
[  493.789193]  __alloc_skb+0x119/0x770
[  493.793315] = 15908kB
[  493.795293]  ? netdev_alloc_frag+0x1f0/0x1f0
[  493.798980] Node 0 DMA32: 
[  493.801414]  ? do_raw_spin_trylock+0x270/0x270
[  493.805806] 2*4kB 
[  493.808648]  ? kmem_cache_alloc_trace+0x353/0x750
[  493.813222] (M) 
[  493.815381]  ? queue_work_on+0x12c/0x1e0
[  493.820194] 3*8kB (UM) 
[  493.822189]  ? switchdev_port_obj_del+0xdc/0x440
[  493.826236] 3*16kB 
[  493.828819]  ? switchdev_trans_item_enqueue+0x260/0x260
[  493.833558] (UM) 
[  493.835791]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  493.841132] 4*32kB 
[  493.843194]  __br_mdb_notify+0x4ff/0x15d0
[  493.848183] (UM) 
[  493.850424]  ? __br_mdb_add+0x7f0/0x7f0
[  493.854542] 5*64kB 
[  493.856606]  ? zap_class+0x640/0x640
[  493.860556] (UM) 
[  493.862796]  ? br_multicast_group_expired+0x96/0x610
[  493.866482] 4*128kB 
[  493.868545]  ? lock_downgrade+0x900/0x900
[  493.873627] (M) 
[  493.875952]  br_mdb_notify+0x310/0x410
[  493.880076] 5*256kB 
[  493.882053]  ? br_mdb_dump+0x27b0/0x27b0
[  493.885920] (UM) 
[  493.888251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.892294] 5*512kB 
[  493.894356]  br_multicast_group_expired+0x1bc/0x610
[  493.899860] (UM) 4*1024kB 
[  493.902194]  ? br_mdb_free+0x80/0x80
[  493.907188] (UM) 
[  493.910046]  call_timer_fn+0x272/0x920
[  493.913733] 2*2048kB 
[  493.915791]  ? br_mdb_free+0x80/0x80
[  493.919658] (M) 
[  493.922069]  ? process_timeout+0x40/0x40
[  493.925760] 3*4096kB 
[  493.927736]  ? __run_timers+0x7da/0xc70
[  493.931768] (M) 
[  493.934177]  ? _raw_spin_unlock_irq+0x27/0x80
[  493.938123] = 25360kB
[  493.938132] Node 0 
[  493.940105]  ? _raw_spin_unlock_irq+0x27/0x80
[  493.944582] Normal: 
[  493.946992]  ? br_mdb_free+0x80/0x80
[  493.949212] 783*4kB 
[  493.953710]  ? lockdep_hardirqs_on+0x296/0x5b0
[  493.956017] (UMEH) 
[  493.959726]  ? trace_hardirqs_on+0xbd/0x310
[  493.962040] 379*8kB 
[  493.966617]  ? kasan_check_read+0x11/0x20
[  493.968831] (MEH) 
[  493.973149]  ? __run_timers+0x7da/0xc70
[  493.975452] 205*16kB 
[  493.979596]  ? trace_hardirqs_off_caller+0x310/0x310
[  493.981752] (UMEH) 
[  493.985733]  ? br_mdb_free+0x80/0x80
[  493.988120] 93*32kB 
[  493.993228]  __run_timers+0x7e5/0xc70
[  493.995436] (UMEH) 
[  493.999153]  ? timer_fixup_init+0x70/0x70
[  494.001448] 24*64kB 
[  494.005251]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  494.007468] (UMH) 
[  494.011609]  ? zap_class+0x640/0x640
[  494.013917] 1*128kB 
[  494.018932]  ? enqueue_hrtimer+0x1a5/0x560
[  494.021059] (H) 
[  494.024778]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  494.027083] 0*256kB 
[  494.031319]  ? find_held_lock+0x36/0x1c0
[  494.033271] 0*512kB 
[  494.038458]  ? zap_class+0x640/0x640
[  494.040762] 0*1024kB 
[  494.044820]  ? pvclock_read_flags+0x160/0x160
[  494.047121] 0*2048kB 
[  494.050830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.053216] 0*4096kB = 14084kB
[  494.053237] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  494.057721]  ? check_preemption_disabled+0x48/0x280
[  494.060116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  494.065648]  ? __lock_is_held+0xb5/0x140
[  494.068820] 1070 total pagecache pages
[  494.077655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.082657] 0 pages in swap cache
[  494.091228]  ? check_preemption_disabled+0x48/0x280
[  494.095269] Swap cache stats: add 0, delete 0, find 0/0
[  494.099157]  run_timer_softirq+0x52/0xb0
[  494.104670] Free swap  = 0kB
[  494.108118]  ? rcu_read_lock_sched_held+0x14f/0x180
[  494.113111] Total swap = 0kB
[  494.118471]  __do_softirq+0x308/0xb7e
[  494.122513] 1965979 pages RAM
[  494.125531]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  494.130528] 0 pages HighMem/MovableOnly
[  494.133546]  ? lock_downgrade+0x900/0x900
[  494.137326] 342293 pages reserved
[  494.140434]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  494.144911] 0 pages cma reserved
[  494.148888]  ? pvclock_read_flags+0x160/0x160
[  494.153072] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  494.156458]  ? lapic_next_event+0x5a/0x90
[  494.156475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.156494]  ? kvm_clock_read+0x18/0x30
[  494.161635] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  494.164944]  ? kvm_sched_clock_read+0x9/0x20
[  494.169422] syz-fuzzer cpuset=
[  494.175915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.180041] /
[  494.185577]  ? check_preemption_disabled+0x48/0x280
[  494.189531]  mems_allowed=0
[  494.199763]  irq_exit+0x17f/0x1c0
[  494.225919]  smp_apic_timer_interrupt+0x1cb/0x760
[  494.230762]  ? smp_reschedule_interrupt+0x109/0x650
[  494.235784]  ? smp_call_function_single_interrupt+0x650/0x650
[  494.241669]  ? interrupt_entry+0xb5/0xc0
[  494.245739]  ? trace_hardirqs_off_caller+0xbb/0x310
[  494.250755]  ? trace_hardirqs_off_caller+0xbb/0x310
[  494.255774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  494.260618]  ? trace_hardirqs_on_caller+0x310/0x310
[  494.265634]  ? trace_hardirqs_on_caller+0x310/0x310
[  494.270686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  494.275547]  apic_timer_interrupt+0xf/0x20
[  494.279775]  </IRQ>
[  494.282016] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  494.286948] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  494.305871] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  494.313587] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  494.320854] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  494.328127] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  494.335398] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  494.342666] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  494.349982]  skb_clone+0x1bb/0x500
[  494.353527]  ? finish_task_switch+0x1b4/0x910
[  494.358027]  ? skb_split+0x11e0/0x11e0
[  494.361919]  ? preempt_notifier_register+0x200/0x200
[  494.367025]  ? __switch_to_asm+0x34/0x70
[  494.371093]  ? __switch_to_asm+0x34/0x70
[  494.375153]  ? __switch_to_asm+0x40/0x70
[  494.379217]  ? __switch_to_asm+0x34/0x70
[  494.383282]  ? __switch_to_asm+0x40/0x70
[  494.387369]  ? __switch_to_asm+0x34/0x70
[  494.391465]  ? __switch_to_asm+0x40/0x70
[  494.395527]  ? __switch_to_asm+0x34/0x70
[  494.399593]  ? __switch_to_asm+0x34/0x70
[  494.403658]  ? __switch_to_asm+0x40/0x70
[  494.407719]  ? __switch_to_asm+0x34/0x70
[  494.411790]  bpf_clone_redirect+0xb9/0x490
[  494.416033]  ? __schedule+0x8d7/0x21d0
[  494.419918]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  494.424933]  ? __sched_text_start+0x8/0x8
[  494.429102]  ? find_held_lock+0x36/0x1c0
[  494.433173]  ? lock_acquire+0x1ed/0x520
[  494.437147]  ? bpf_test_run+0x3cb/0x780
[  494.441122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.446665]  ? check_preemption_disabled+0x48/0x280
[  494.451694]  ? kasan_check_read+0x11/0x20
[  494.455855]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  494.461134]  ? rcu_softirq_qs+0x20/0x20
[  494.465118]  ? preempt_schedule+0x4d/0x60
[  494.469272]  ? ___preempt_schedule+0x16/0x18
[  494.473690]  ? bpf_test_run+0x25d/0x780
[  494.477676]  ? netlink_diag_dump+0x2a0/0x2a0
[  494.482088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  494.487626]  ? bpf_test_init.isra.10+0x70/0x100
[  494.492313]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  494.497084]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  494.501927]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  494.507466]  ? fput+0x130/0x1a0
[  494.510750]  ? __bpf_prog_get+0x9b/0x290
[  494.514817]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  494.519661]  ? bpf_prog_test_run+0x130/0x1a0
[  494.524076]  ? __x64_sys_bpf+0x3d8/0x520
[  494.528148]  ? bpf_prog_get+0x20/0x20
[  494.531974]  ? do_syscall_64+0x1b9/0x820
[  494.536040]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  494.541413]  ? syscall_return_slowpath+0x5e0/0x5e0
[  494.546351]  ? trace_hardirqs_on_caller+0x310/0x310
[  494.551375]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  494.556393]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  494.563069]  ? __switch_to_asm+0x40/0x70
[  494.567132]  ? __switch_to_asm+0x34/0x70
[  494.571199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  494.576062]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  494.581461] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  494.581622] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  494.588496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  494.588512] Call Trace:
[  494.598991] syz-executor1 cpuset=
[  494.608340]  <IRQ>
[  494.610914] syz1
[  494.614368]  dump_stack+0x244/0x39d
[  494.616508]  mems_allowed=0
[  494.618477]  ? dump_stack_print_info.cold.1+0x20/0x20
[  494.630252]  warn_alloc.cold.117+0xb7/0x1bd
[  494.634586]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  494.639436]  ? lock_downgrade+0x900/0x900
[  494.643591]  ? trace_hardirqs_off+0xb8/0x310
[  494.648014]  ? trace_hardirqs_off+0xb8/0x310
[  494.652433]  __alloc_pages_slowpath+0x2660/0x2d70
[  494.657307]  ? warn_alloc+0x120/0x120
[  494.661112]  ? warn_alloc+0x120/0x120
[  494.664927]  ? print_usage_bug+0xc0/0xc0
[  494.669009]  ? warn_alloc+0x120/0x120
[  494.672812]  ? print_usage_bug+0xc0/0xc0
[  494.676875]  ? __lock_acquire+0x62f/0x4c20
[  494.681113]  ? __lock_acquire+0x62f/0x4c20
[  494.685362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  494.690902]  ? should_fail+0x22d/0xd01
[  494.694798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  494.699904]  ? __lock_acquire+0x62f/0x4c20
[  494.704146]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  494.709247]  ? __lock_acquire+0x62f/0x4c20
[  494.713483]  ? should_fail+0x22d/0xd01
[  494.717373]  ? find_held_lock+0x36/0x1c0
[  494.721445]  ? mark_held_locks+0x130/0x130
[  494.725699]  ? mark_held_locks+0x130/0x130
[  494.729934]  ? zap_class+0x640/0x640
[  494.733648]  ? zap_class+0x640/0x640
[  494.737365]  ? print_usage_bug+0xc0/0xc0
[  494.741429]  ? do_raw_spin_unlock+0xa7/0x330
[  494.745838]  ? zap_class+0x640/0x640
[  494.749551]  ? print_usage_bug+0xc0/0xc0
[  494.753615]  ? wq_watchdog_touch+0x9c/0xfe
[  494.757856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.763413]  ? check_preemption_disabled+0x48/0x280
[  494.768444]  ? __lock_is_held+0xb5/0x140
[  494.772517]  __alloc_pages_nodemask+0xa80/0xde0
[  494.777189]  ? zap_class+0x640/0x640
[  494.780929]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  494.785956]  ? find_held_lock+0x36/0x1c0
[  494.790036]  ? ____cache_alloc_node+0x1c7/0x1e0
[  494.794712]  ? lock_downgrade+0x900/0x900
[  494.798867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.804414]  cache_grow_begin+0xa5/0x8c0
[  494.808478]  ? do_raw_spin_unlock+0xa7/0x330
[  494.812895]  fallback_alloc+0x204/0x2e0
[  494.816880]  ____cache_alloc_node+0x1c7/0x1e0
[  494.821383]  kmem_cache_alloc_node+0xe3/0x730
[  494.825883]  ? ipv6_get_ifaddr+0x42e/0x620
[  494.830128]  __alloc_skb+0x119/0x770
[  494.833849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  494.839133]  ? netdev_alloc_frag+0x1f0/0x1f0
[  494.843545]  ? lock_downgrade+0x900/0x900
[  494.847703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.853256]  ? refcount_sub_and_test_checked+0x203/0x310
[  494.858713]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  494.864167]  ? addrconf_rs_timer+0x690/0x690
[  494.868592]  ndisc_alloc_skb+0x144/0x340
[  494.872661]  ndisc_send_rs+0x331/0x6e0
[  494.876560]  addrconf_rs_timer+0x314/0x690
[  494.880801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  494.885056]  call_timer_fn+0x272/0x920
[  494.888946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  494.893188]  ? process_timeout+0x40/0x40
[  494.897266]  ? mark_held_locks+0xc7/0x130
[  494.901422]  ? _raw_spin_unlock_irq+0x27/0x80
[  494.905918]  ? _raw_spin_unlock_irq+0x27/0x80
[  494.910412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  494.914646]  ? lockdep_hardirqs_on+0x296/0x5b0
[  494.919238]  ? trace_hardirqs_on+0xbd/0x310
[  494.923561]  ? kasan_check_read+0x11/0x20
[  494.927709]  ? __run_timers+0x7da/0xc70
[  494.931691]  ? trace_hardirqs_off_caller+0x310/0x310
[  494.936803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  494.941046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  494.945299]  __run_timers+0x7e5/0xc70
[  494.949113]  ? timer_fixup_init+0x70/0x70
[  494.953264]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  494.958287]  ? zap_class+0x640/0x640
[  494.962015]  ? print_usage_bug+0xc0/0xc0
[  494.966087]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  494.971287]  ? find_held_lock+0x36/0x1c0
[  494.975354]  ? zap_class+0x640/0x640
[  494.979075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.984616]  ? check_preemption_disabled+0x48/0x280
[  494.989646]  ? __lock_is_held+0xb5/0x140
[  494.993709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.999244]  ? check_preemption_disabled+0x48/0x280
[  495.004271]  run_timer_softirq+0x52/0xb0
[  495.008333]  ? rcu_read_lock_sched_held+0x14f/0x180
[  495.013357]  __do_softirq+0x308/0xb7e
[  495.017164]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  495.021662]  ? lock_downgrade+0x900/0x900
[  495.025819]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  495.030936]  ? pvclock_read_flags+0x160/0x160
[  495.035439]  ? lapic_next_event+0x5a/0x90
[  495.039591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.045136]  ? kvm_clock_read+0x18/0x30
[  495.049111]  ? kvm_sched_clock_read+0x9/0x20
[  495.053522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.059062]  ? check_preemption_disabled+0x48/0x280
[  495.064093]  irq_exit+0x17f/0x1c0
[  495.067557]  smp_apic_timer_interrupt+0x1cb/0x760
[  495.072410]  ? smp_call_function_single_interrupt+0x650/0x650
[  495.078299]  ? interrupt_entry+0xb5/0xc0
[  495.082367]  ? trace_hardirqs_off_caller+0xbb/0x310
[  495.087382]  ? trace_hardirqs_off_caller+0xbb/0x310
[  495.092400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  495.097253]  ? trace_hardirqs_on_caller+0x310/0x310
[  495.102272]  ? trace_hardirqs_on_caller+0x310/0x310
[  495.107286]  ? task_prio+0x50/0x50
[  495.110829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.116372]  ? check_preemption_disabled+0x48/0x280
[  495.121400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  495.126261]  apic_timer_interrupt+0xf/0x20
[  495.130495]  </IRQ>
[  495.132735] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  495.137842] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  495.156746] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  495.164461] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  495.171728] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  495.178998] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  495.186272] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  495.193538] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  495.200840]  shrink_active_list+0x67b/0x1c20
[  495.205247]  ? free_unref_page_list+0xd1b/0x11e0
[  495.210017]  ? shrink_inactive_list+0xa4a/0x1c60
[  495.214780]  ? zap_class+0x60f/0x640
[  495.218496]  ? shrink_inactive_list+0x1c60/0x1c60
[  495.223347]  ? _raw_spin_unlock_irq+0x27/0x80
[  495.227851]  ? find_held_lock+0x36/0x1c0
[  495.231914]  ? __page_frag_cache_drain+0x200/0x200
[  495.236843]  ? print_usage_bug+0xc0/0xc0
[  495.240918]  ? find_held_lock+0x36/0x1c0
[  495.244986]  ? zap_class+0x640/0x640
[  495.248705]  ? mark_held_locks+0xc7/0x130
[  495.252858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.258402]  ? check_preemption_disabled+0x48/0x280
[  495.263430]  ? zap_class+0x640/0x640
[  495.267143]  ? __lock_is_held+0xb5/0x140
[  495.271206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.276754]  ? check_preemption_disabled+0x48/0x280
[  495.281781]  ? __lock_is_held+0xb5/0x140
[  495.285856]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  495.290878]  ? inactive_list_is_low+0x305/0x880
[  495.295558]  ? lruvec_lru_size+0x450/0x450
[  495.299799]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  495.304734]  ? rcu_softirq_qs+0x20/0x20
[  495.308719]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  495.313661]  shrink_node_memcg+0x803/0x18f0
[  495.318010]  ? shrink_active_list+0x1c20/0x1c20
[  495.322688]  ? lock_downgrade+0x900/0x900
[  495.326840]  ? check_flush_dependency+0x410/0x410
[  495.331705]  ? kasan_check_read+0x11/0x20
[  495.335874]  ? ___preempt_schedule+0x16/0x18
[  495.340298]  ? _raw_spin_unlock+0x3f/0x50
[  495.344456]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  495.349655]  shrink_node+0x3bc/0x16b0
[  495.353463]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  495.358786]  ? shrink_node_memcg+0x18f0/0x18f0
[  495.363373]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  495.367966]  ? trace_hardirqs_on+0xbd/0x310
[  495.372297]  ? vmpressure+0x271/0x340
[  495.376109]  ? do_raw_spin_trylock+0x270/0x270
[  495.380702]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  495.386248]  ? __cpuset_node_allowed+0x19b/0x660
[  495.391022]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  495.396737]  ? vmpressure+0x1a2/0x340
[  495.400553]  do_try_to_free_pages+0x3e7/0x1290
[  495.405140]  ? zap_class+0x640/0x640
[  495.408878]  ? shrink_node+0x16b0/0x16b0
[  495.412945]  ? __lock_is_held+0xb5/0x140
[  495.417031]  try_to_free_pages+0x4d0/0xb90
[  495.421276]  ? do_try_to_free_pages+0x1290/0x1290
[  495.426121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.431671]  ? lock_acquire+0x1ed/0x520
[  495.435651]  ? set_page_refcounted+0x280/0x280
[  495.440248]  ? lock_release+0xa00/0xa00
[  495.444244]  ? perf_trace_sched_process_exec+0x860/0x860
[  495.449714]  __alloc_pages_slowpath+0x9c4/0x2d70
[  495.454502]  ? warn_alloc+0x120/0x120
[  495.458308]  ? rcu_softirq_qs+0x20/0x20
[  495.462334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  495.467875]  ? should_fail+0x22d/0xd01
[  495.471773]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  495.476882]  ? zap_class+0x640/0x640
[  495.480792]  ? __lock_is_held+0xb5/0x140
[  495.484868]  ? mark_held_locks+0x130/0x130
[  495.489106]  ? lock_release+0xa00/0xa00
[  495.493083]  ? perf_trace_sched_process_exec+0x860/0x860
[  495.498550]  ? __might_sleep+0x95/0x190
[  495.502534]  __alloc_pages_nodemask+0xa80/0xde0
[  495.507214]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  495.512233]  ? __page_cache_alloc+0x191/0x5c0
[  495.516736]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  495.521669]  ? kasan_check_read+0x11/0x20
[  495.525823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  495.531104]  ? zap_class+0x640/0x640
[  495.534824]  ? zap_class+0x640/0x640
[  495.538541]  ? zap_class+0x640/0x640
[  495.542259]  ? __do_page_cache_readahead+0x7ce/0x980
[  495.547372]  ? find_held_lock+0x36/0x1c0
[  495.551442]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  495.556992]  alloc_pages_current+0x173/0x350
[  495.561416]  __page_cache_alloc+0x38c/0x5c0
[  495.565743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  495.570676]  ? kasan_check_read+0x11/0x20
[  495.574830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  495.580110]  ? generic_perform_write+0x6a0/0x6a0
[  495.584869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  495.590415]  ? check_preemption_disabled+0x48/0x280
[  495.595443]  filemap_fault+0x1594/0x25f0
[  495.599522]  ? __lock_page_or_retry+0xa00/0xa00
[  495.604202]  ? mark_held_locks+0x130/0x130
[  495.608452]  ? rcu_softirq_qs+0x20/0x20
[  495.612445]  ? filemap_map_pages+0xe04/0x1990
[  495.616953]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  495.621544]  ? __free_object+0x173/0x340
[  495.625607]  ? debug_object_free+0x36f/0x690
[  495.630024]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  495.634958]  ? trace_hardirqs_off_caller+0x310/0x310
[  495.640068]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  495.644750]  ? queue_work_on+0x12c/0x1e0
[  495.648821]  ? debug_object_free+0x36f/0x690
[  495.653239]  ? kasan_check_read+0x11/0x20
[  495.657393]  ? debug_object_destroy+0x2b0/0x2b0
[  495.662074]  ? lock_pi_update_atomic+0x150/0x150
[  495.666831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.672371]  ? __hrtimer_init+0xdb/0x240
[  495.676448]  ? lock_acquire+0x1ed/0x520
[  495.680425]  ? ext4_filemap_fault+0x7a/0xad
[  495.684761]  ? lock_release+0xa00/0xa00
[  495.688739]  ? perf_trace_sched_process_exec+0x860/0x860
[  495.694192]  ? print_usage_bug+0xc0/0xc0
[  495.698282]  ? print_usage_bug+0xc0/0xc0
[  495.702356]  ? down_read+0x8d/0x120
[  495.705984]  ? ext4_filemap_fault+0x7a/0xad
[  495.710317]  ? __down_interruptible+0x700/0x700
[  495.714998]  ext4_filemap_fault+0x82/0xad
[  495.719162]  __do_fault+0x100/0x6b0
[  495.722794]  ? pmd_devmap_trans_unstable+0x220/0x220
[  495.727899]  ? mark_held_locks+0x130/0x130
[  495.732136]  ? mark_held_locks+0x130/0x130
[  495.736387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  495.741930]  __handle_mm_fault+0x307c/0x5920
[  495.746340]  ? perf_trace_lock+0x7a0/0x7a0
[  495.750757]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  495.755613]  ? __switch_to_asm+0x34/0x70
[  495.759677]  ? __switch_to_asm+0x34/0x70
[  495.763752]  ? zap_class+0x640/0x640
[  495.767469]  ? zap_class+0x640/0x640
[  495.771185]  ? __x64_sys_futex+0x53e/0x6a0
[  495.775435]  ? find_held_lock+0x36/0x1c0
[  495.779510]  ? handle_mm_fault+0x42a/0xc70
[  495.783753]  ? lock_downgrade+0x900/0x900
[  495.787908]  ? check_preemption_disabled+0x48/0x280
[  495.792938]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  495.797868]  ? kasan_check_read+0x11/0x20
[  495.802032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  495.807321]  ? rcu_softirq_qs+0x20/0x20
[  495.811300]  ? trace_hardirqs_off_caller+0x310/0x310
[  495.816406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  495.821950]  ? check_preemption_disabled+0x48/0x280
[  495.826979]  handle_mm_fault+0x54f/0xc70
[  495.831058]  ? __handle_mm_fault+0x5920/0x5920
[  495.835652]  ? find_vma+0x34/0x190
[  495.839200]  __do_page_fault+0x5e8/0xe60
[  495.843273]  ? trace_hardirqs_off+0xb8/0x310
[  495.847696]  do_page_fault+0xf2/0x7e0
[  495.851505]  ? vmalloc_sync_all+0x30/0x30
[  495.855661]  ? error_entry+0x70/0xd0
[  495.859383]  ? trace_hardirqs_off_caller+0xbb/0x310
[  495.864398]  ? trace_hardirqs_on_caller+0xc0/0x310
[  495.869334]  ? syscall_return_slowpath+0x5e0/0x5e0
[  495.874263]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  495.879106]  ? trace_hardirqs_on_caller+0x310/0x310
[  495.884125]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  495.889587]  ? prepare_exit_to_usermode+0x291/0x3b0
[  495.894612]  ? page_fault+0x8/0x30
[  495.898158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  495.903011]  ? page_fault+0x8/0x30
[  495.906559]  page_fault+0x1e/0x30
[  495.910017] RIP: 0033:0x45ddf3
[  495.913232] Code: Bad RIP value.
[  495.916598] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  495.921965] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  495.929240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  495.936514] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  495.943800] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  495.951071] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  495.958369] warn_alloc_show_mem: 1 callbacks suppressed
[  495.958381] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  495.958383] Mem-Info:
[  495.958413] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  495.958413]  active_file:15 inactive_file:12 isolated_file:0
[  495.958413]  unevictable:0 dirty:0 writeback:0 unstable:0
[  495.958413]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  495.958413]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  495.958413]  free:13694 free_pcp:0 free_cma:0
[  495.963759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  495.970693] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  495.973100] Call Trace:
[  496.005979] Node 0 
[  496.015331]  <IRQ>
[  496.043029] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  496.045613]  dump_stack+0x244/0x39d
[  496.047827] lowmem_reserve[]:
[  496.049979]  ? dump_stack_print_info.cold.1+0x20/0x20
[  496.075456]  0 2819
[  496.079110]  warn_alloc.cold.117+0xb7/0x1bd
[  496.082179]  6323
[  496.087367]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  496.089583]  6323
[  496.093902]  ? lock_downgrade+0x900/0x900
[  496.100789]  ? trace_hardirqs_off+0xb8/0x310
[  496.102830] Node 0 
[  496.106974]  ? trace_hardirqs_off+0xb8/0x310
[  496.111387] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  496.113600]  __alloc_pages_slowpath+0x2660/0x2d70
[  496.117983] lowmem_reserve[]:
[  496.144731]  ? warn_alloc+0x120/0x120
[  496.149533]  0
[  496.152642]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  496.156422]  0
[  496.158220]  ? warn_alloc+0x120/0x120
[  496.163233]  3503
[  496.165057]  ? print_usage_bug+0xc0/0xc0
[  496.168837]  3503
[  496.170901]  ? warn_alloc+0x120/0x120
[  496.177003]  ? print_usage_bug+0xc0/0xc0
[  496.180791] Node 0 
[  496.184850]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  496.184886] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  496.187096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  496.192256] lowmem_reserve[]: 0
[  496.220376]  ? should_fail+0x22d/0xd01
[  496.225892]  0
[  496.229170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  496.233033]  0
[  496.234837]  ? __lock_acquire+0x62f/0x4c20
[  496.239920]  0
[  496.241722]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  496.245938] Node 0 
[  496.247742]  ? should_fail+0x22d/0xd01
[  496.252821] DMA: 
[  496.255061]  ? mark_held_locks+0x130/0x130
[  496.258925] 1*4kB 
[  496.260983]  ? mark_held_locks+0x130/0x130
[  496.265198] (U) 
[  496.267343]  ? print_usage_bug+0xc0/0xc0
[  496.267361]  ? find_held_lock+0x36/0x1c0
[  496.271591] 0*8kB 
[  496.273584]  ? zap_class+0x640/0x640
[  496.277630] 0*16kB 
[  496.281687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.283819] 1*32kB 
[  496.287532]  ? check_preemption_disabled+0x48/0x280
[  496.289746] (U) 
[  496.295285]  ? __lock_is_held+0xb5/0x140
[  496.297500] 2*64kB 
[  496.302524]  __alloc_pages_nodemask+0xa80/0xde0
[  496.304477] (U) 
[  496.308534]  ? zap_class+0x640/0x640
[  496.310755] 1*128kB 
[  496.315419]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  496.317386] (U) 
[  496.321121]  ? find_held_lock+0x36/0x1c0
[  496.323462] 1*256kB (U) 
[  496.328495]  ? ____cache_alloc_node+0x1c7/0x1e0
[  496.330440] 0*512kB 1*1024kB 
[  496.334518]  ? lock_downgrade+0x900/0x900
[  496.337163] (U) 
[  496.341830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.344912] 1*2048kB 
[  496.349059]  cache_grow_begin+0xa5/0x8c0
[  496.351011] (M) 
[  496.356547]  ? do_raw_spin_unlock+0xa7/0x330
[  496.358942] 3*4096kB 
[  496.363000]  fallback_alloc+0x204/0x2e0
[  496.364955] (M) 
[  496.369366]  ____cache_alloc_node+0x1c7/0x1e0
[  496.371759] = 15908kB
[  496.375734]  kmem_cache_alloc_node+0xe3/0x730
[  496.377687] Node 0 
[  496.382178]  ? mark_held_locks+0xc7/0x130
[  496.384581] DMA32: 
[  496.389076]  __alloc_skb+0x119/0x770
[  496.391286] 2*4kB 
[  496.395434]  ? netdev_alloc_frag+0x1f0/0x1f0
[  496.397651] (M) 
[  496.401366]  ? do_raw_spin_trylock+0x270/0x270
[  496.403496] 3*8kB 
[  496.407904]  ? kmem_cache_alloc_trace+0x353/0x750
[  496.409862] (UM) 
[  496.414446]  ? queue_work_on+0x12c/0x1e0
[  496.416572] 3*16kB 
[  496.421415]  ? switchdev_port_obj_del+0xdc/0x440
[  496.423461] (UM) 
[  496.427523]  ? switchdev_trans_item_enqueue+0x260/0x260
[  496.429740] 4*32kB 
[  496.434490]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  496.436536] (UM) 
[  496.441898]  __br_mdb_notify+0x4ff/0x15d0
[  496.444145] 5*64kB (UM) 
[  496.449210]  ? __br_mdb_add+0x7f0/0x7f0
[  496.451276] 4*128kB 
[  496.455439]  ? zap_class+0x640/0x640
[  496.458087] (M) 
[  496.462075]  ? br_multicast_group_expired+0x96/0x610
[  496.464372] 5*256kB (UM) 
[  496.468095]  ? lock_downgrade+0x900/0x900
[  496.470055] 5*512kB 
[  496.475157]  br_mdb_notify+0x310/0x410
[  496.477901] (UM) 
[  496.482046]  ? br_mdb_dump+0x27b0/0x27b0
[  496.484349] 4*1024kB 
[  496.488240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.490294] (UM) 
[  496.494375]  br_multicast_group_expired+0x1bc/0x610
[  496.496760] 2*2048kB 
[  496.502292]  ? br_mdb_free+0x80/0x80
[  496.504338] (M) 
[  496.509363]  call_timer_fn+0x272/0x920
[  496.511749] 3*4096kB 
[  496.515457]  ? br_mdb_free+0x80/0x80
[  496.517412] (M) 
[  496.521299]  ? process_timeout+0x40/0x40
[  496.523684] = 25360kB
[  496.523693] Node 0 
[  496.527410]  ? __run_timers+0x7da/0xc70
[  496.529367] Normal: 
[  496.533426]  ? _raw_spin_unlock_irq+0x27/0x80
[  496.535820] 783*4kB 
[  496.538092]  ? _raw_spin_unlock_irq+0x27/0x80
[  496.542045] (UMEH) 
[  496.544376]  ? br_mdb_free+0x80/0x80
[  496.548849] 379*8kB 
[  496.551173]  ? lockdep_hardirqs_on+0x296/0x5b0
[  496.555643] (MEH) 
[  496.557877]  ? trace_hardirqs_on+0xbd/0x310
[  496.561568] 205*16kB 
[  496.563892]  ? kasan_check_read+0x11/0x20
[  496.568448] (UMEH) 93*32kB 
[  496.570609]  ? __run_timers+0x7da/0xc70
[  496.574908] (UMEH) 
[  496.577323]  ? trace_hardirqs_off_caller+0x310/0x310
[  496.581447] 24*64kB 
[  496.584380]  ? br_mdb_free+0x80/0x80
[  496.588849] (UMH) 1*128kB 
[  496.591105]  ? br_mdb_free+0x80/0x80
[  496.596185] (H) 
[  496.598518]  __run_timers+0x7e5/0xc70
[  496.602207] 0*256kB 
[  496.605055]  ? timer_fixup_init+0x70/0x70
[  496.608743] 0*512kB 
[  496.610721]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  496.614499] 0*1024kB 
[  496.616825]  ? zap_class+0x640/0x640
[  496.620950] 0*2048kB 0*4096kB 
[  496.623283]  ? enqueue_hrtimer+0x1a5/0x560
[  496.628279] = 14084kB
[  496.630690]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  496.634393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  496.637575]  ? find_held_lock+0x36/0x1c0
[  496.641796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  496.644197]  ? zap_class+0x640/0x640
[  496.649365] 1070 total pagecache pages
[  496.658200]  ? pvclock_read_flags+0x160/0x160
[  496.662247] 0 pages in swap cache
[  496.670812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.674529] Swap cache stats: add 0, delete 0, find 0/0
[  496.678413]  ? check_preemption_disabled+0x48/0x280
[  496.682885] Free swap  = 0kB
[  496.686337]  ? __lock_is_held+0xb5/0x140
[  496.691848] Total swap = 0kB
[  496.697223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.702212] 1965979 pages RAM
[  496.705241]  ? check_preemption_disabled+0x48/0x280
[  496.709291] 0 pages HighMem/MovableOnly
[  496.712318]  run_timer_softirq+0x52/0xb0
[  496.717830] 342293 pages reserved
[  496.720936]  ? rcu_read_lock_sched_held+0x14f/0x180
[  496.725930] 0 pages cma reserved
[  496.729903]  __do_softirq+0x308/0xb7e
[  496.734000] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  496.737394]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  496.737407]  ? lock_downgrade+0x900/0x900
[  496.737427]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  496.742501] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  496.745798]  ? pvclock_read_flags+0x160/0x160
[  496.749573] syz-fuzzer cpuset=
[  496.756069]  ? lapic_next_event+0x5a/0x90
[  496.760542] /
[  496.764692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.769782]  mems_allowed=0
[  496.780013]  ? kvm_clock_read+0x18/0x30
[  496.805944]  ? kvm_sched_clock_read+0x9/0x20
[  496.810356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.815897]  ? check_preemption_disabled+0x48/0x280
[  496.820933]  irq_exit+0x17f/0x1c0
[  496.824396]  smp_apic_timer_interrupt+0x1cb/0x760
[  496.829245]  ? smp_reschedule_interrupt+0x109/0x650
[  496.834267]  ? smp_call_function_single_interrupt+0x650/0x650
[  496.840152]  ? interrupt_entry+0xb5/0xc0
[  496.844226]  ? trace_hardirqs_off_caller+0xbb/0x310
[  496.849251]  ? trace_hardirqs_off_caller+0xbb/0x310
[  496.854275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  496.859122]  ? trace_hardirqs_on_caller+0x310/0x310
[  496.864147]  ? trace_hardirqs_on_caller+0x310/0x310
[  496.869191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  496.874057]  apic_timer_interrupt+0xf/0x20
[  496.878285]  </IRQ>
[  496.880528] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  496.885460] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
[  496.904362] RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  496.912071] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  496.919350] RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
[  496.926620] RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
[  496.933885] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  496.941154] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
[  496.948466]  skb_clone+0x1bb/0x500
[  496.952022]  ? finish_task_switch+0x1b4/0x910
[  496.956537]  ? skb_split+0x11e0/0x11e0
[  496.960429]  ? preempt_notifier_register+0x200/0x200
[  496.965536]  ? __switch_to_asm+0x34/0x70
[  496.969600]  ? __switch_to_asm+0x34/0x70
[  496.973674]  ? __switch_to_asm+0x40/0x70
[  496.977738]  ? __switch_to_asm+0x34/0x70
[  496.981800]  ? __switch_to_asm+0x40/0x70
[  496.985864]  ? __switch_to_asm+0x34/0x70
[  496.989926]  ? __switch_to_asm+0x40/0x70
[  496.993987]  ? __switch_to_asm+0x34/0x70
[  496.998050]  ? __switch_to_asm+0x34/0x70
[  497.002110]  ? __switch_to_asm+0x40/0x70
[  497.006180]  ? __switch_to_asm+0x34/0x70
[  497.010255]  bpf_clone_redirect+0xb9/0x490
[  497.014496]  ? __schedule+0x8d7/0x21d0
[  497.018399]  bpf_prog_bebbfe2050753572+0xb87/0x1000
[  497.023425]  ? __sched_text_start+0x8/0x8
[  497.027591]  ? find_held_lock+0x36/0x1c0
[  497.031672]  ? lock_acquire+0x1ed/0x520
[  497.035650]  ? bpf_test_run+0x3cb/0x780
[  497.039626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.045176]  ? check_preemption_disabled+0x48/0x280
[  497.050239]  ? kasan_check_read+0x11/0x20
[  497.054395]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  497.059673]  ? rcu_softirq_qs+0x20/0x20
[  497.063651]  ? preempt_schedule+0x4d/0x60
[  497.067802]  ? ___preempt_schedule+0x16/0x18
[  497.072268]  ? bpf_test_run+0x25d/0x780
[  497.076268]  ? netlink_diag_dump+0x2a0/0x2a0
[  497.080683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  497.086228]  ? bpf_test_init.isra.10+0x70/0x100
[  497.090905]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  497.095672]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  497.100519]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  497.106055]  ? fput+0x130/0x1a0
[  497.109339]  ? __bpf_prog_get+0x9b/0x290
[  497.113411]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  497.118261]  ? bpf_prog_test_run+0x130/0x1a0
[  497.122679]  ? __x64_sys_bpf+0x3d8/0x520
[  497.126743]  ? bpf_prog_get+0x20/0x20
[  497.130564]  ? do_syscall_64+0x1b9/0x820
[  497.134625]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  497.139996]  ? syscall_return_slowpath+0x5e0/0x5e0
[  497.144936]  ? trace_hardirqs_on_caller+0x310/0x310
[  497.149966]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  497.154996]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  497.161680]  ? __switch_to_asm+0x40/0x70
[  497.165755]  ? __switch_to_asm+0x34/0x70
[  497.169827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  497.174684]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  497.180093] CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
[  497.180290] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  497.186683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  497.186694] Call Trace:
[  497.197180] syz-executor1 cpuset=
[  497.206529]  <IRQ>
[  497.209099] syz1
[  497.212555]  dump_stack+0x244/0x39d
[  497.214681]  mems_allowed=0
[  497.216654]  ? dump_stack_print_info.cold.1+0x20/0x20
[  497.228377]  warn_alloc.cold.117+0xb7/0x1bd
[  497.232702]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  497.237551]  ? lock_downgrade+0x900/0x900
[  497.241708]  ? trace_hardirqs_off+0xb8/0x310
[  497.246125]  ? trace_hardirqs_off+0xb8/0x310
[  497.250544]  __alloc_pages_slowpath+0x2660/0x2d70
[  497.255425]  ? warn_alloc+0x120/0x120
[  497.259232]  ? warn_alloc+0x120/0x120
[  497.263048]  ? print_usage_bug+0xc0/0xc0
[  497.267116]  ? warn_alloc+0x120/0x120
[  497.270923]  ? print_usage_bug+0xc0/0xc0
[  497.274987]  ? __lock_acquire+0x62f/0x4c20
[  497.279227]  ? __lock_acquire+0x62f/0x4c20
[  497.283467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  497.289019]  ? should_fail+0x22d/0xd01
[  497.292916]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  497.298028]  ? __lock_acquire+0x62f/0x4c20
[  497.302276]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  497.307392]  ? __lock_acquire+0x62f/0x4c20
[  497.311629]  ? should_fail+0x22d/0xd01
[  497.315532]  ? mark_held_locks+0x130/0x130
[  497.319777]  ? mark_held_locks+0x130/0x130
[  497.324016]  ? zap_class+0x640/0x640
[  497.327741]  ? zap_class+0x640/0x640
[  497.331457]  ? print_usage_bug+0xc0/0xc0
[  497.335518]  ? wq_watchdog_touch+0x9c/0xfe
[  497.339762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.345304]  ? check_preemption_disabled+0x48/0x280
[  497.350331]  ? __lock_is_held+0xb5/0x140
[  497.354403]  __alloc_pages_nodemask+0xa80/0xde0
[  497.359078]  ? zap_class+0x640/0x640
[  497.362800]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  497.367830]  ? find_held_lock+0x36/0x1c0
[  497.371918]  ? ____cache_alloc_node+0x1c7/0x1e0
[  497.376604]  ? lock_downgrade+0x900/0x900
[  497.380764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.386311]  cache_grow_begin+0xa5/0x8c0
[  497.390380]  ? do_raw_spin_unlock+0xa7/0x330
[  497.394801]  fallback_alloc+0x204/0x2e0
[  497.398788]  ____cache_alloc_node+0x1c7/0x1e0
[  497.403292]  kmem_cache_alloc_node+0xe3/0x730
[  497.407788]  ? ipv6_get_ifaddr+0x42e/0x620
[  497.412039]  __alloc_skb+0x119/0x770
[  497.415765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  497.421052]  ? netdev_alloc_frag+0x1f0/0x1f0
[  497.425463]  ? lock_downgrade+0x900/0x900
[  497.429630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.435182]  ? refcount_sub_and_test_checked+0x203/0x310
[  497.440652]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  497.446111]  ? addrconf_rs_timer+0x690/0x690
[  497.450535]  ndisc_alloc_skb+0x144/0x340
[  497.454604]  ndisc_send_rs+0x331/0x6e0
[  497.458497]  addrconf_rs_timer+0x314/0x690
[  497.462742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  497.466999]  call_timer_fn+0x272/0x920
[  497.470903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  497.475148]  ? process_timeout+0x40/0x40
[  497.479222]  ? mark_held_locks+0xc7/0x130
[  497.483655]  ? _raw_spin_unlock_irq+0x27/0x80
[  497.488154]  ? _raw_spin_unlock_irq+0x27/0x80
[  497.492652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  497.496893]  ? lockdep_hardirqs_on+0x296/0x5b0
[  497.501481]  ? trace_hardirqs_on+0xbd/0x310
[  497.505805]  ? kasan_check_read+0x11/0x20
[  497.509958]  ? __run_timers+0x7da/0xc70
[  497.513939]  ? trace_hardirqs_off_caller+0x310/0x310
[  497.519062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  497.523300]  __run_timers+0x7e5/0xc70
[  497.527118]  ? timer_fixup_init+0x70/0x70
[  497.531270]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  497.536292]  ? zap_class+0x640/0x640
[  497.540017]  ? print_usage_bug+0xc0/0xc0
[  497.544088]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  497.549295]  ? find_held_lock+0x36/0x1c0
[  497.553365]  ? zap_class+0x640/0x640
[  497.557090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.562635]  ? check_preemption_disabled+0x48/0x280
[  497.567669]  ? __lock_is_held+0xb5/0x140
[  497.571735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.577282]  ? check_preemption_disabled+0x48/0x280
[  497.582314]  run_timer_softirq+0x52/0xb0
[  497.586377]  ? rcu_read_lock_sched_held+0x14f/0x180
[  497.591401]  __do_softirq+0x308/0xb7e
[  497.595213]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  497.599708]  ? lock_downgrade+0x900/0x900
[  497.603863]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  497.608979]  ? pvclock_read_flags+0x160/0x160
[  497.613487]  ? lapic_next_event+0x5a/0x90
[  497.617646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.623195]  ? kvm_clock_read+0x18/0x30
[  497.627175]  ? kvm_sched_clock_read+0x9/0x20
[  497.631680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.637217]  ? check_preemption_disabled+0x48/0x280
[  497.642249]  irq_exit+0x17f/0x1c0
[  497.645711]  smp_apic_timer_interrupt+0x1cb/0x760
[  497.650560]  ? smp_call_function_single_interrupt+0x650/0x650
[  497.656453]  ? interrupt_entry+0xb5/0xc0
[  497.660521]  ? trace_hardirqs_off_caller+0xbb/0x310
[  497.665537]  ? trace_hardirqs_off_caller+0xbb/0x310
[  497.670560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  497.675410]  ? trace_hardirqs_on_caller+0x310/0x310
[  497.680425]  ? trace_hardirqs_on_caller+0x310/0x310
[  497.685440]  ? task_prio+0x50/0x50
[  497.688981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.694525]  ? check_preemption_disabled+0x48/0x280
[  497.699551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  497.704415]  apic_timer_interrupt+0xf/0x20
[  497.708648]  </IRQ>
[  497.710887] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  497.715995] Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
[  497.734904] RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  497.742616] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
[  497.749883] RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
[  497.757151] RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
[  497.764418] R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
[  497.771686] R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
[  497.778985]  shrink_active_list+0x67b/0x1c20
[  497.783397]  ? free_unref_page_list+0xd1b/0x11e0
[  497.788165]  ? shrink_inactive_list+0xa4a/0x1c60
[  497.792923]  ? zap_class+0x60f/0x640
[  497.796639]  ? shrink_inactive_list+0x1c60/0x1c60
[  497.801495]  ? _raw_spin_unlock_irq+0x27/0x80
[  497.806000]  ? find_held_lock+0x36/0x1c0
[  497.810068]  ? __page_frag_cache_drain+0x200/0x200
[  497.815000]  ? print_usage_bug+0xc0/0xc0
[  497.819084]  ? find_held_lock+0x36/0x1c0
[  497.823152]  ? zap_class+0x640/0x640
[  497.826870]  ? mark_held_locks+0xc7/0x130
[  497.831059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.836599]  ? check_preemption_disabled+0x48/0x280
[  497.841623]  ? zap_class+0x640/0x640
[  497.845339]  ? __lock_is_held+0xb5/0x140
[  497.849404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.854944]  ? check_preemption_disabled+0x48/0x280
[  497.859991]  ? __lock_is_held+0xb5/0x140
[  497.864093]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  497.869116]  ? inactive_list_is_low+0x305/0x880
[  497.873800]  ? lruvec_lru_size+0x450/0x450
[  497.878038]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  497.882996]  ? rcu_softirq_qs+0x20/0x20
[  497.887004]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  497.891964]  shrink_node_memcg+0x803/0x18f0
[  497.896303]  ? shrink_active_list+0x1c20/0x1c20
[  497.900993]  ? lock_downgrade+0x900/0x900
[  497.905165]  ? check_flush_dependency+0x410/0x410
[  497.910023]  ? kasan_check_read+0x11/0x20
[  497.914183]  ? ___preempt_schedule+0x16/0x18
[  497.918602]  ? _raw_spin_unlock+0x3f/0x50
[  497.922757]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  497.927950]  shrink_node+0x3bc/0x16b0
[  497.931757]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  497.937068]  ? shrink_node_memcg+0x18f0/0x18f0
[  497.941651]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  497.946235]  ? trace_hardirqs_on+0xbd/0x310
[  497.950560]  ? vmpressure+0x271/0x340
[  497.954368]  ? do_raw_spin_trylock+0x270/0x270
[  497.958961]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  497.964502]  ? __cpuset_node_allowed+0x19b/0x660
[  497.969264]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  497.974979]  ? vmpressure+0x1a2/0x340
[  497.978796]  do_try_to_free_pages+0x3e7/0x1290
[  497.983378]  ? zap_class+0x640/0x640
[  497.987107]  ? shrink_node+0x16b0/0x16b0
[  497.991172]  ? __lock_is_held+0xb5/0x140
[  497.995260]  try_to_free_pages+0x4d0/0xb90
[  497.999507]  ? do_try_to_free_pages+0x1290/0x1290
[  498.004348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  498.009900]  ? lock_acquire+0x1ed/0x520
[  498.013878]  ? set_page_refcounted+0x280/0x280
[  498.018467]  ? lock_release+0xa00/0xa00
[  498.022456]  ? perf_trace_sched_process_exec+0x860/0x860
[  498.027920]  __alloc_pages_slowpath+0x9c4/0x2d70
[  498.032713]  ? warn_alloc+0x120/0x120
[  498.036513]  ? rcu_softirq_qs+0x20/0x20
[  498.040522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  498.046066]  ? should_fail+0x22d/0xd01
[  498.049961]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  498.055066]  ? zap_class+0x640/0x640
[  498.058805]  ? __lock_is_held+0xb5/0x140
[  498.062874]  ? mark_held_locks+0x130/0x130
[  498.067112]  ? lock_release+0xa00/0xa00
[  498.071093]  ? perf_trace_sched_process_exec+0x860/0x860
[  498.076559]  ? __might_sleep+0x95/0x190
[  498.080543]  __alloc_pages_nodemask+0xa80/0xde0
[  498.085220]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  498.090244]  ? __page_cache_alloc+0x191/0x5c0
[  498.094745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  498.099674]  ? kasan_check_read+0x11/0x20
[  498.103827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  498.109106]  ? zap_class+0x640/0x640
[  498.112828]  ? zap_class+0x640/0x640
[  498.116542]  ? zap_class+0x640/0x640
[  498.120259]  ? __do_page_cache_readahead+0x7ce/0x980
[  498.125369]  ? find_held_lock+0x36/0x1c0
[  498.129436]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  498.134980]  alloc_pages_current+0x173/0x350
[  498.139406]  __page_cache_alloc+0x38c/0x5c0
[  498.143732]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  498.148660]  ? kasan_check_read+0x11/0x20
[  498.152809]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  498.158110]  ? generic_perform_write+0x6a0/0x6a0
[  498.162899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  498.168445]  ? check_preemption_disabled+0x48/0x280
[  498.173468]  filemap_fault+0x1594/0x25f0
[  498.177545]  ? __lock_page_or_retry+0xa00/0xa00
[  498.182219]  ? mark_held_locks+0x130/0x130
[  498.186458]  ? rcu_softirq_qs+0x20/0x20
[  498.190445]  ? filemap_map_pages+0xe04/0x1990
[  498.194961]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  498.199551]  ? __free_object+0x173/0x340
[  498.203622]  ? debug_object_free+0x36f/0x690
[  498.208039]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  498.212973]  ? trace_hardirqs_off_caller+0x310/0x310
[  498.218086]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  498.222767]  ? queue_work_on+0x12c/0x1e0
[  498.226838]  ? debug_object_free+0x36f/0x690
[  498.231246]  ? kasan_check_read+0x11/0x20
[  498.235411]  ? debug_object_destroy+0x2b0/0x2b0
[  498.240081]  ? lock_pi_update_atomic+0x150/0x150
[  498.244837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  498.250376]  ? __hrtimer_init+0xdb/0x240
[  498.254461]  ? lock_acquire+0x1ed/0x520
[  498.258438]  ? ext4_filemap_fault+0x7a/0xad
[  498.262771]  ? lock_release+0xa00/0xa00
[  498.266749]  ? perf_trace_sched_process_exec+0x860/0x860
[  498.272202]  ? print_usage_bug+0xc0/0xc0
[  498.276269]  ? print_usage_bug+0xc0/0xc0
[  498.280348]  ? down_read+0x8d/0x120
[  498.283991]  ? ext4_filemap_fault+0x7a/0xad
[  498.288316]  ? __down_interruptible+0x700/0x700
[  498.292997]  ext4_filemap_fault+0x82/0xad
[  498.297156]  __do_fault+0x100/0x6b0
[  498.300789]  ? pmd_devmap_trans_unstable+0x220/0x220
[  498.305902]  ? mark_held_locks+0x130/0x130
[  498.310141]  ? mark_held_locks+0x130/0x130
[  498.314395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  498.319939]  __handle_mm_fault+0x307c/0x5920
[  498.324346]  ? perf_trace_lock+0x7a0/0x7a0
[  498.328591]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  498.333446]  ? __switch_to_asm+0x34/0x70
[  498.337547]  ? __switch_to_asm+0x34/0x70
[  498.341621]  ? zap_class+0x640/0x640
[  498.345345]  ? zap_class+0x640/0x640
[  498.349063]  ? __x64_sys_futex+0x53e/0x6a0
[  498.353306]  ? find_held_lock+0x36/0x1c0
[  498.357379]  ? handle_mm_fault+0x42a/0xc70
[  498.361615]  ? lock_downgrade+0x900/0x900
[  498.365765]  ? check_preemption_disabled+0x48/0x280
[  498.370793]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  498.375723]  ? kasan_check_read+0x11/0x20
[  498.379872]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  498.385152]  ? rcu_softirq_qs+0x20/0x20
[  498.389124]  ? trace_hardirqs_off_caller+0x310/0x310
[  498.394227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  498.399768]  ? check_preemption_disabled+0x48/0x280
[  498.404797]  handle_mm_fault+0x54f/0xc70
[  498.408863]  ? __handle_mm_fault+0x5920/0x5920
[  498.413463]  ? find_vma+0x34/0x190
[  498.417018]  __do_page_fault+0x5e8/0xe60
[  498.421083]  ? trace_hardirqs_off+0xb8/0x310
[  498.425504]  do_page_fault+0xf2/0x7e0
[  498.429308]  ? vmalloc_sync_all+0x30/0x30
[  498.433461]  ? error_entry+0x70/0xd0
[  498.437199]  ? trace_hardirqs_off_caller+0xbb/0x310
[  498.442232]  ? trace_hardirqs_on_caller+0xc0/0x310
[  498.447164]  ? syscall_return_slowpath+0x5e0/0x5e0
[  498.452092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  498.456936]  ? trace_hardirqs_on_caller+0x310/0x310
[  498.461949]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  498.467409]  ? prepare_exit_to_usermode+0x291/0x3b0
[  498.472428]  ? page_fault+0x8/0x30
[  498.476018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  498.480868]  ? page_fault+0x8/0x30
[  498.484417]  page_fault+0x1e/0x30
[  498.487873] RIP: 0033:0x45ddf3
[  498.491080] Code: Bad RIP value.
[  498.494446] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  498.499811] RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
[  498.507080] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
[  498.514352] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  498.521637] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  498.528913] R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
[  498.536218] warn_alloc_show_mem: 1 callbacks suppressed
[  498.536234] CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
[  498.536236] Mem-Info:
[  498.536270] active_anon:51267 inactive_anon:1009 isolated_anon:0
[  498.536270]  active_file:15 inactive_file:12 isolated_file:0
[  498.536270]  unevictable:0 dirty:0 writeback:0 unstable:0
[  498.536270]  slab_reclaimable:9188 slab_unreclaimable:1470939
[  498.536270]  mapped:49154 shmem:1016 pagetables:630 bounce:0
[  498.536270]  free:13694 free_pcp:0 free_cma:0
[  498.541624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  498.548569] Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  498.550972] Call Trace:
[  498.583857] Node 0 
[  498.593449]  <IRQ>
[  498.621684] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  498.624251]  dump_stack+0x244/0x39d
[  498.626465] lowmem_reserve[]:
[  498.628617]  ? dump_stack_print_info.cold.1+0x20/0x20
[  498.654110]  0
[  498.657760]  warn_alloc.cold.117+0xb7/0x1bd
[  498.660837]  2819
[  498.666034]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  498.667819]  6323
[  498.672141]  ? lock_downgrade+0x900/0x900
[  498.674183]  6323
[  498.679032]  ? trace_hardirqs_off+0xb8/0x310
[  498.685234]  ? trace_hardirqs_off+0xb8/0x310
[  498.687279] Node 0 
[  498.691703]  __alloc_pages_slowpath+0x2660/0x2d70
[  498.696115] DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  498.698354]  ? warn_alloc+0x120/0x120
[  498.703147] lowmem_reserve[]: 0
[  498.729912]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  498.733695]  0
[  498.736974]  ? warn_alloc+0x120/0x120
[  498.741972]  3503
[  498.743773]  ? print_usage_bug+0xc0/0xc0
[  498.747554]  3503
[  498.749619]  ? warn_alloc+0x120/0x120
[  498.755726]  ? print_usage_bug+0xc0/0xc0
[  498.759505] Node 0 
[  498.763572]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  498.763598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  498.765843] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  498.771020]  ? should_fail+0x22d/0xd01
[  498.776562] lowmem_reserve[]: